diff options
Diffstat (limited to 'drivers/media/platform')
93 files changed, 3680 insertions, 2171 deletions
diff --git a/drivers/media/platform/Kconfig b/drivers/media/platform/Kconfig index 33241120a58..05d7b633346 100644 --- a/drivers/media/platform/Kconfig +++ b/drivers/media/platform/Kconfig @@ -92,7 +92,7 @@ config VIDEO_M32R_AR_M64278 config VIDEO_OMAP2 tristate "OMAP2 Camera Capture Interface driver" - depends on VIDEO_DEV && ARCH_OMAP2 + depends on VIDEO_DEV && ARCH_OMAP2 && VIDEO_V4L2_INT_DEVICE select VIDEOBUF_DMA_SG ---help--- This is a v4l2 driver for the TI OMAP2 camera capture interface @@ -202,6 +202,15 @@ config VIDEO_SAMSUNG_EXYNOS_GSC help This is a v4l2 driver for Samsung EXYNOS5 SoC G-Scaler. +config VIDEO_SH_VEU + tristate "SuperH VEU mem2mem video processing driver" + depends on VIDEO_DEV && VIDEO_V4L2 + select VIDEOBUF2_DMA_CONTIG + select V4L2_MEM2MEM_DEV + help + Support for the Video Engine Unit (VEU) on SuperH and + SH-Mobile SoCs. + endif # V4L_MEM2MEM_DRIVERS menuconfig V4L_TEST_DRIVERS diff --git a/drivers/media/platform/Makefile b/drivers/media/platform/Makefile index 4817d280217..42089ba3600 100644 --- a/drivers/media/platform/Makefile +++ b/drivers/media/platform/Makefile @@ -25,6 +25,8 @@ obj-$(CONFIG_VIDEO_MEM2MEM_TESTDEV) += mem2mem_testdev.o obj-$(CONFIG_VIDEO_MX2_EMMAPRP) += mx2_emmaprp.o obj-$(CONFIG_VIDEO_CODA) += coda.o +obj-$(CONFIG_VIDEO_SH_VEU) += sh_veu.o + obj-$(CONFIG_VIDEO_MEM2MEM_DEINTERLACE) += m2m-deinterlace.o obj-$(CONFIG_VIDEO_S3C_CAMIF) += s3c-camif/ diff --git a/drivers/media/platform/blackfin/Kconfig b/drivers/media/platform/blackfin/Kconfig index ecd5323768b..cc239972fa2 100644 --- a/drivers/media/platform/blackfin/Kconfig +++ b/drivers/media/platform/blackfin/Kconfig @@ -7,4 +7,9 @@ config VIDEO_BLACKFIN_CAPTURE Choose PPI or EPPI as its interface. To compile this driver as a module, choose M here: the - module will be called bfin_video_capture. + module will be called bfin_capture. + +config VIDEO_BLACKFIN_PPI + tristate + depends on VIDEO_BLACKFIN_CAPTURE + default VIDEO_BLACKFIN_CAPTURE diff --git a/drivers/media/platform/blackfin/Makefile b/drivers/media/platform/blackfin/Makefile index aa3a0a21638..30421bc2308 100644 --- a/drivers/media/platform/blackfin/Makefile +++ b/drivers/media/platform/blackfin/Makefile @@ -1,2 +1,2 @@ -bfin_video_capture-objs := bfin_capture.o ppi.o -obj-$(CONFIG_VIDEO_BLACKFIN_CAPTURE) += bfin_video_capture.o +obj-$(CONFIG_VIDEO_BLACKFIN_CAPTURE) += bfin_capture.o +obj-$(CONFIG_VIDEO_BLACKFIN_PPI) += ppi.o diff --git a/drivers/media/platform/blackfin/bfin_capture.c b/drivers/media/platform/blackfin/bfin_capture.c index 1aad2a65d2f..5f209d5810d 100644 --- a/drivers/media/platform/blackfin/bfin_capture.c +++ b/drivers/media/platform/blackfin/bfin_capture.c @@ -52,6 +52,7 @@ struct bcap_format { u32 pixelformat; enum v4l2_mbus_pixelcode mbus_code; int bpp; /* bits per pixel */ + int dlen; /* data length for ppi in bits */ }; struct bcap_buffer { @@ -76,18 +77,20 @@ struct bcap_device { unsigned int cur_input; /* current selected standard */ v4l2_std_id std; + /* current selected dv_timings */ + struct v4l2_dv_timings dv_timings; /* used to store pixel format */ struct v4l2_pix_format fmt; /* bits per pixel*/ int bpp; + /* data length for ppi in bits */ + int dlen; /* used to store sensor supported format */ struct bcap_format *sensor_formats; /* number of sensor formats array */ int num_sensor_formats; /* pointing to current video buffer */ struct bcap_buffer *cur_frm; - /* pointing to next video buffer */ - struct bcap_buffer *next_frm; /* buffer queue used in videobuf2 */ struct vb2_queue buffer_queue; /* allocator-specific contexts for each plane */ @@ -116,24 +119,35 @@ static const struct bcap_format bcap_formats[] = { .pixelformat = V4L2_PIX_FMT_UYVY, .mbus_code = V4L2_MBUS_FMT_UYVY8_2X8, .bpp = 16, + .dlen = 8, }, { .desc = "YCbCr 4:2:2 Interleaved YUYV", .pixelformat = V4L2_PIX_FMT_YUYV, .mbus_code = V4L2_MBUS_FMT_YUYV8_2X8, .bpp = 16, + .dlen = 8, + }, + { + .desc = "YCbCr 4:2:2 Interleaved UYVY", + .pixelformat = V4L2_PIX_FMT_UYVY, + .mbus_code = V4L2_MBUS_FMT_UYVY8_1X16, + .bpp = 16, + .dlen = 16, }, { .desc = "RGB 565", .pixelformat = V4L2_PIX_FMT_RGB565, .mbus_code = V4L2_MBUS_FMT_RGB565_2X8_LE, .bpp = 16, + .dlen = 8, }, { .desc = "RGB 444", .pixelformat = V4L2_PIX_FMT_RGB444, .mbus_code = V4L2_MBUS_FMT_RGB444_2X8_PADHI_LE, .bpp = 16, + .dlen = 8, }, }; @@ -366,9 +380,39 @@ static int bcap_start_streaming(struct vb2_queue *vq, unsigned int count) params.width = bcap_dev->fmt.width; params.height = bcap_dev->fmt.height; params.bpp = bcap_dev->bpp; + params.dlen = bcap_dev->dlen; params.ppi_control = bcap_dev->cfg->ppi_control; params.int_mask = bcap_dev->cfg->int_mask; - params.blank_clocks = bcap_dev->cfg->blank_clocks; + if (bcap_dev->cfg->inputs[bcap_dev->cur_input].capabilities + & V4L2_IN_CAP_CUSTOM_TIMINGS) { + struct v4l2_bt_timings *bt = &bcap_dev->dv_timings.bt; + + params.hdelay = bt->hsync + bt->hbackporch; + params.vdelay = bt->vsync + bt->vbackporch; + params.line = bt->hfrontporch + bt->hsync + + bt->hbackporch + bt->width; + params.frame = bt->vfrontporch + bt->vsync + + bt->vbackporch + bt->height; + if (bt->interlaced) + params.frame += bt->il_vfrontporch + bt->il_vsync + + bt->il_vbackporch; + } else if (bcap_dev->cfg->inputs[bcap_dev->cur_input].capabilities + & V4L2_IN_CAP_STD) { + params.hdelay = 0; + params.vdelay = 0; + if (bcap_dev->std & V4L2_STD_525_60) { + params.line = 858; + params.frame = 525; + } else { + params.line = 864; + params.frame = 625; + } + } else { + params.hdelay = 0; + params.vdelay = 0; + params.line = params.width + bcap_dev->cfg->blank_pixels; + params.frame = params.height; + } ret = ppi->ops->set_params(ppi, ¶ms); if (ret < 0) { v4l2_err(&bcap_dev->v4l2_dev, @@ -409,10 +453,10 @@ static int bcap_stop_streaming(struct vb2_queue *vq) /* release all active buffers */ while (!list_empty(&bcap_dev->dma_queue)) { - bcap_dev->next_frm = list_entry(bcap_dev->dma_queue.next, + bcap_dev->cur_frm = list_entry(bcap_dev->dma_queue.next, struct bcap_buffer, list); - list_del(&bcap_dev->next_frm->list); - vb2_buffer_done(&bcap_dev->next_frm->vb, VB2_BUF_STATE_ERROR); + list_del(&bcap_dev->cur_frm->list); + vb2_buffer_done(&bcap_dev->cur_frm->vb, VB2_BUF_STATE_ERROR); } return 0; } @@ -484,17 +528,26 @@ static irqreturn_t bcap_isr(int irq, void *dev_id) { struct ppi_if *ppi = dev_id; struct bcap_device *bcap_dev = ppi->priv; - struct timeval timevalue; struct vb2_buffer *vb = &bcap_dev->cur_frm->vb; dma_addr_t addr; spin_lock(&bcap_dev->lock); - if (bcap_dev->cur_frm != bcap_dev->next_frm) { - do_gettimeofday(&timevalue); - vb->v4l2_buf.timestamp = timevalue; - vb2_buffer_done(vb, VB2_BUF_STATE_DONE); - bcap_dev->cur_frm = bcap_dev->next_frm; + if (!list_empty(&bcap_dev->dma_queue)) { + v4l2_get_timestamp(&vb->v4l2_buf.timestamp); + if (ppi->err) { + vb2_buffer_done(vb, VB2_BUF_STATE_ERROR); + ppi->err = false; + } else { + vb2_buffer_done(vb, VB2_BUF_STATE_DONE); + } + bcap_dev->cur_frm = list_entry(bcap_dev->dma_queue.next, + struct bcap_buffer, list); + list_del(&bcap_dev->cur_frm->list); + } else { + /* clear error flag, we will get a new frame */ + if (ppi->err) + ppi->err = false; } ppi->ops->stop(ppi); @@ -502,13 +555,8 @@ static irqreturn_t bcap_isr(int irq, void *dev_id) if (bcap_dev->stop) { complete(&bcap_dev->comp); } else { - if (!list_empty(&bcap_dev->dma_queue)) { - bcap_dev->next_frm = list_entry(bcap_dev->dma_queue.next, - struct bcap_buffer, list); - list_del(&bcap_dev->next_frm->list); - addr = vb2_dma_contig_plane_dma_addr(&bcap_dev->next_frm->vb, 0); - ppi->ops->update_addr(ppi, (unsigned long)addr); - } + addr = vb2_dma_contig_plane_dma_addr(&bcap_dev->cur_frm->vb, 0); + ppi->ops->update_addr(ppi, (unsigned long)addr); ppi->ops->start(ppi); } @@ -542,9 +590,8 @@ static int bcap_streamon(struct file *file, void *priv, } /* get the next frame from the dma queue */ - bcap_dev->next_frm = list_entry(bcap_dev->dma_queue.next, + bcap_dev->cur_frm = list_entry(bcap_dev->dma_queue.next, struct bcap_buffer, list); - bcap_dev->cur_frm = bcap_dev->next_frm; /* remove buffer from the dma queue */ list_del(&bcap_dev->cur_frm->list); addr = vb2_dma_contig_plane_dma_addr(&bcap_dev->cur_frm->vb, 0); @@ -602,6 +649,37 @@ static int bcap_s_std(struct file *file, void *priv, v4l2_std_id *std) return 0; } +static int bcap_g_dv_timings(struct file *file, void *priv, + struct v4l2_dv_timings *timings) +{ + struct bcap_device *bcap_dev = video_drvdata(file); + int ret; + + ret = v4l2_subdev_call(bcap_dev->sd, video, + g_dv_timings, timings); + if (ret < 0) + return ret; + + bcap_dev->dv_timings = *timings; + return 0; +} + +static int bcap_s_dv_timings(struct file *file, void *priv, + struct v4l2_dv_timings *timings) +{ + struct bcap_device *bcap_dev = video_drvdata(file); + int ret; + if (vb2_is_busy(&bcap_dev->buffer_queue)) + return -EBUSY; + + ret = v4l2_subdev_call(bcap_dev->sd, video, s_dv_timings, timings); + if (ret < 0) + return ret; + + bcap_dev->dv_timings = *timings; + return 0; +} + static int bcap_enum_input(struct file *file, void *priv, struct v4l2_input *input) { @@ -650,13 +728,15 @@ static int bcap_s_input(struct file *file, void *priv, unsigned int index) return ret; } bcap_dev->cur_input = index; + /* if this route has specific config, update ppi control */ + if (route->ppi_control) + config->ppi_control = route->ppi_control; return 0; } static int bcap_try_format(struct bcap_device *bcap, struct v4l2_pix_format *pixfmt, - enum v4l2_mbus_pixelcode *mbus_code, - int *bpp) + struct bcap_format *bcap_fmt) { struct bcap_format *sf = bcap->sensor_formats; struct bcap_format *fmt = NULL; @@ -671,16 +751,20 @@ static int bcap_try_format(struct bcap_device *bcap, if (i == bcap->num_sensor_formats) fmt = &sf[0]; - if (mbus_code) - *mbus_code = fmt->mbus_code; - if (bpp) - *bpp = fmt->bpp; v4l2_fill_mbus_format(&mbus_fmt, pixfmt, fmt->mbus_code); ret = v4l2_subdev_call(bcap->sd, video, try_mbus_fmt, &mbus_fmt); if (ret < 0) return ret; v4l2_fill_pix_format(pixfmt, &mbus_fmt); + if (bcap_fmt) { + for (i = 0; i < bcap->num_sensor_formats; i++) { + fmt = &sf[i]; + if (mbus_fmt.code == fmt->mbus_code) + break; + } + *bcap_fmt = *fmt; + } pixfmt->bytesperline = pixfmt->width * fmt->bpp / 8; pixfmt->sizeimage = pixfmt->bytesperline * pixfmt->height; return 0; @@ -709,7 +793,7 @@ static int bcap_try_fmt_vid_cap(struct file *file, void *priv, struct bcap_device *bcap_dev = video_drvdata(file); struct v4l2_pix_format *pixfmt = &fmt->fmt.pix; - return bcap_try_format(bcap_dev, pixfmt, NULL, NULL); + return bcap_try_format(bcap_dev, pixfmt, NULL); } static int bcap_g_fmt_vid_cap(struct file *file, void *priv, @@ -726,24 +810,25 @@ static int bcap_s_fmt_vid_cap(struct file *file, void *priv, { struct bcap_device *bcap_dev = video_drvdata(file); struct v4l2_mbus_framefmt mbus_fmt; - enum v4l2_mbus_pixelcode mbus_code; + struct bcap_format bcap_fmt; struct v4l2_pix_format *pixfmt = &fmt->fmt.pix; - int ret, bpp; + int ret; if (vb2_is_busy(&bcap_dev->buffer_queue)) return -EBUSY; /* see if format works */ - ret = bcap_try_format(bcap_dev, pixfmt, &mbus_code, &bpp); + ret = bcap_try_format(bcap_dev, pixfmt, &bcap_fmt); if (ret < 0) return ret; - v4l2_fill_mbus_format(&mbus_fmt, pixfmt, mbus_code); + v4l2_fill_mbus_format(&mbus_fmt, pixfmt, bcap_fmt.mbus_code); ret = v4l2_subdev_call(bcap_dev->sd, video, s_mbus_fmt, &mbus_fmt); if (ret < 0) return ret; bcap_dev->fmt = *pixfmt; - bcap_dev->bpp = bpp; + bcap_dev->bpp = bcap_fmt.bpp; + bcap_dev->dlen = bcap_fmt.dlen; return 0; } @@ -834,6 +919,8 @@ static const struct v4l2_ioctl_ops bcap_ioctl_ops = { .vidioc_querystd = bcap_querystd, .vidioc_s_std = bcap_s_std, .vidioc_g_std = bcap_g_std, + .vidioc_s_dv_timings = bcap_s_dv_timings, + .vidioc_g_dv_timings = bcap_g_dv_timings, .vidioc_reqbufs = bcap_reqbufs, .vidioc_querybuf = bcap_querybuf, .vidioc_qbuf = bcap_qbuf, @@ -869,6 +956,7 @@ static int bcap_probe(struct platform_device *pdev) struct i2c_adapter *i2c_adap; struct bfin_capture_config *config; struct vb2_queue *q; + struct bcap_route *route; int ret; config = pdev->dev.platform_data; @@ -978,6 +1066,12 @@ static int bcap_probe(struct platform_device *pdev) NULL); if (bcap_dev->sd) { int i; + if (!config->num_inputs) { + v4l2_err(&bcap_dev->v4l2_dev, + "Unable to work without input\n"); + goto err_unreg_vdev; + } + /* update tvnorms from the sub devices */ for (i = 0; i < config->num_inputs; i++) vfd->tvnorms |= config->inputs[i].std; @@ -989,8 +1083,24 @@ static int bcap_probe(struct platform_device *pdev) v4l2_info(&bcap_dev->v4l2_dev, "v4l2 sub device registered\n"); + /* + * explicitly set input, otherwise some boards + * may not work at the state as we expected + */ + route = &config->routes[0]; + ret = v4l2_subdev_call(bcap_dev->sd, video, s_routing, + route->input, route->output, 0); + if ((ret < 0) && (ret != -ENOIOCTLCMD)) { + v4l2_err(&bcap_dev->v4l2_dev, "Failed to set input\n"); + goto err_unreg_vdev; + } + bcap_dev->cur_input = 0; + /* if this route has specific config, update ppi control */ + if (route->ppi_control) + config->ppi_control = route->ppi_control; + /* now we can probe the default state */ - if (vfd->tvnorms) { + if (config->inputs[0].capabilities & V4L2_IN_CAP_STD) { v4l2_std_id std; ret = v4l2_subdev_call(bcap_dev->sd, core, g_std, &std); if (ret) { @@ -1000,6 +1110,17 @@ static int bcap_probe(struct platform_device *pdev) } bcap_dev->std = std; } + if (config->inputs[0].capabilities & V4L2_IN_CAP_CUSTOM_TIMINGS) { + struct v4l2_dv_timings dv_timings; + ret = v4l2_subdev_call(bcap_dev->sd, video, + g_dv_timings, &dv_timings); + if (ret) { + v4l2_err(&bcap_dev->v4l2_dev, + "Unable to get dv timings\n"); + goto err_unreg_vdev; + } + bcap_dev->dv_timings = dv_timings; + } ret = bcap_init_sensor_formats(bcap_dev); if (ret) { v4l2_err(&bcap_dev->v4l2_dev, diff --git a/drivers/media/platform/blackfin/ppi.c b/drivers/media/platform/blackfin/ppi.c index d29592186b0..01b5b501347 100644 --- a/drivers/media/platform/blackfin/ppi.c +++ b/drivers/media/platform/blackfin/ppi.c @@ -17,6 +17,7 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ +#include <linux/module.h> #include <linux/slab.h> #include <asm/bfin_ppi.h> @@ -58,15 +59,33 @@ static irqreturn_t ppi_irq_err(int irq, void *dev_id) * others are W1C */ status = bfin_read16(®->status); + if (status & 0x3000) + ppi->err = true; bfin_write16(®->status, 0xff00); break; } case PPI_TYPE_EPPI: { struct bfin_eppi_regs *reg = info->base; + unsigned short status; + + status = bfin_read16(®->status); + if (status & 0x2) + ppi->err = true; bfin_write16(®->status, 0xffff); break; } + case PPI_TYPE_EPPI3: + { + struct bfin_eppi3_regs *reg = info->base; + unsigned long stat; + + stat = bfin_read32(®->stat); + if (stat & 0x2) + ppi->err = true; + bfin_write32(®->stat, 0xc0ff); + break; + } default: break; } @@ -128,6 +147,12 @@ static int ppi_start(struct ppi_if *ppi) bfin_write32(®->control, ppi->ppi_control); break; } + case PPI_TYPE_EPPI3: + { + struct bfin_eppi3_regs *reg = info->base; + bfin_write32(®->ctl, ppi->ppi_control); + break; + } default: return -EINVAL; } @@ -155,6 +180,12 @@ static int ppi_stop(struct ppi_if *ppi) bfin_write32(®->control, ppi->ppi_control); break; } + case PPI_TYPE_EPPI3: + { + struct bfin_eppi3_regs *reg = info->base; + bfin_write32(®->ctl, ppi->ppi_control); + break; + } default: return -EINVAL; } @@ -171,17 +202,23 @@ static int ppi_set_params(struct ppi_if *ppi, struct ppi_params *params) { const struct ppi_info *info = ppi->info; int dma32 = 0; - int dma_config, bytes_per_line, lines_per_frame; + int dma_config, bytes_per_line; + int hcount, hdelay, samples_per_line; bytes_per_line = params->width * params->bpp / 8; - lines_per_frame = params->height; + /* convert parameters unit from pixels to samples */ + hcount = params->width * params->bpp / params->dlen; + hdelay = params->hdelay * params->bpp / params->dlen; + samples_per_line = params->line * params->bpp / params->dlen; if (params->int_mask == 0xFFFFFFFF) ppi->err_int = false; else ppi->err_int = true; - dma_config = (DMA_FLOW_STOP | WNR | RESTART | DMA2D | DI_EN); + dma_config = (DMA_FLOW_STOP | RESTART | DMA2D | DI_EN_Y); ppi->ppi_control = params->ppi_control & ~PORT_EN; + if (!(ppi->ppi_control & PORT_DIR)) + dma_config |= WNR; switch (info->type) { case PPI_TYPE_PPI: { @@ -191,8 +228,8 @@ static int ppi_set_params(struct ppi_if *ppi, struct ppi_params *params) dma32 = 1; bfin_write16(®->control, ppi->ppi_control); - bfin_write16(®->count, bytes_per_line - 1); - bfin_write16(®->frame, lines_per_frame); + bfin_write16(®->count, samples_per_line - 1); + bfin_write16(®->frame, params->frame); break; } case PPI_TYPE_EPPI: @@ -204,12 +241,31 @@ static int ppi_set_params(struct ppi_if *ppi, struct ppi_params *params) dma32 = 1; bfin_write32(®->control, ppi->ppi_control); - bfin_write16(®->line, bytes_per_line + params->blank_clocks); - bfin_write16(®->frame, lines_per_frame); - bfin_write16(®->hdelay, 0); - bfin_write16(®->vdelay, 0); - bfin_write16(®->hcount, bytes_per_line); - bfin_write16(®->vcount, lines_per_frame); + bfin_write16(®->line, samples_per_line); + bfin_write16(®->frame, params->frame); + bfin_write16(®->hdelay, hdelay); + bfin_write16(®->vdelay, params->vdelay); + bfin_write16(®->hcount, hcount); + bfin_write16(®->vcount, params->height); + break; + } + case PPI_TYPE_EPPI3: + { + struct bfin_eppi3_regs *reg = info->base; + + if ((params->ppi_control & PACK_EN) + || (params->ppi_control & 0x70000) > DLEN_16) + dma32 = 1; + + bfin_write32(®->ctl, ppi->ppi_control); + bfin_write32(®->line, samples_per_line); + bfin_write32(®->frame, params->frame); + bfin_write32(®->hdly, hdelay); + bfin_write32(®->vdly, params->vdelay); + bfin_write32(®->hcnt, hcount); + bfin_write32(®->vcnt, params->height); + if (params->int_mask) + bfin_write32(®->imsk, params->int_mask & 0xFF); break; } default: @@ -217,17 +273,17 @@ static int ppi_set_params(struct ppi_if *ppi, struct ppi_params *params) } if (dma32) { - dma_config |= WDSIZE_32; + dma_config |= WDSIZE_32 | PSIZE_32; set_dma_x_count(info->dma_ch, bytes_per_line >> 2); set_dma_x_modify(info->dma_ch, 4); set_dma_y_modify(info->dma_ch, 4); } else { - dma_config |= WDSIZE_16; + dma_config |= WDSIZE_16 | PSIZE_16; set_dma_x_count(info->dma_ch, bytes_per_line >> 1); set_dma_x_modify(info->dma_ch, 2); set_dma_y_modify(info->dma_ch, 2); } - set_dma_y_count(info->dma_ch, lines_per_frame); + set_dma_y_count(info->dma_ch, params->height); set_dma_config(info->dma_ch, dma_config); SSYNC(); @@ -263,9 +319,15 @@ struct ppi_if *ppi_create_instance(const struct ppi_info *info) pr_info("ppi probe success\n"); return ppi; } +EXPORT_SYMBOL(ppi_create_instance); void ppi_delete_instance(struct ppi_if *ppi) { peripheral_free_list(ppi->info->pin_req); kfree(ppi); } +EXPORT_SYMBOL(ppi_delete_instance); + +MODULE_DESCRIPTION("Analog Devices PPI driver"); +MODULE_AUTHOR("Scott Jiang <Scott.Jiang.Linux@gmail.com>"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/media/platform/coda.c b/drivers/media/platform/coda.c index 4a980e029ca..20827ba168f 100644 --- a/drivers/media/platform/coda.c +++ b/drivers/media/platform/coda.c @@ -178,6 +178,10 @@ struct coda_ctx { int idx; }; +static const u8 coda_filler_nal[14] = { 0x00, 0x00, 0x00, 0x01, 0x0c, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x80 }; +static const u8 coda_filler_size[8] = { 0, 7, 14, 13, 12, 11, 10, 9 }; + static inline void coda_write(struct coda_dev *dev, u32 data, u32 reg) { v4l2_dbg(1, coda_debug, &dev->v4l2_dev, @@ -944,6 +948,24 @@ static int coda_alloc_framebuffers(struct coda_ctx *ctx, struct coda_q_data *q_d return 0; } +static int coda_h264_padding(int size, char *p) +{ + int nal_size; + int diff; + + diff = size - (size & ~0x7); + if (diff == 0) + return 0; + + nal_size = coda_filler_size[diff]; + memcpy(p, coda_filler_nal, nal_size); + + /* Add rbsp stop bit and trailing at the end */ + *(p + nal_size - 1) = 0x80; + + return nal_size; +} + static int coda_start_streaming(struct vb2_queue *q, unsigned int count) { struct coda_ctx *ctx = vb2_get_drv_priv(q); @@ -1171,7 +1193,15 @@ static int coda_start_streaming(struct vb2_queue *q, unsigned int count) coda_read(dev, CODA_CMD_ENC_HEADER_BB_START); memcpy(&ctx->vpu_header[1][0], vb2_plane_vaddr(buf, 0), ctx->vpu_header_size[1]); - ctx->vpu_header_size[2] = 0; + /* + * Length of H.264 headers is variable and thus it might not be + * aligned for the coda to append the encoded frame. In that is + * the case a filler NAL must be added to header 2. + */ + ctx->vpu_header_size[2] = coda_h264_padding( + (ctx->vpu_header_size[0] + + ctx->vpu_header_size[1]), + ctx->vpu_header[2]); break; case V4L2_PIX_FMT_MPEG4: /* diff --git a/drivers/media/platform/davinci/Kconfig b/drivers/media/platform/davinci/Kconfig index 3c56037c82f..ccfde4eb626 100644 --- a/drivers/media/platform/davinci/Kconfig +++ b/drivers/media/platform/davinci/Kconfig @@ -97,25 +97,15 @@ config VIDEO_ISIF To compile this driver as a module, choose M here: the module will be called vpfe. -config VIDEO_DM644X_VPBE - tristate "DM644X VPBE HW module" - depends on ARCH_DAVINCI_DM644x +config VIDEO_DAVINCI_VPBE_DISPLAY + tristate "DM644X/DM365/DM355 VPBE HW module" + depends on ARCH_DAVINCI_DM644x || ARCH_DAVINCI_DM355 || ARCH_DAVINCI_DM365 select VIDEO_VPSS_SYSTEM select VIDEOBUF2_DMA_CONTIG help - Enables VPBE modules used for display on a DM644x - SoC. + Enables Davinci VPBE module used for display devices. + This module is common for following DM644x/DM365/DM355 + based display devices. To compile this driver as a module, choose M here: the module will be called vpbe. - - -config VIDEO_VPBE_DISPLAY - tristate "VPBE V4L2 Display driver" - depends on ARCH_DAVINCI_DM644x - select VIDEO_DM644X_VPBE - help - Enables VPBE V4L2 Display driver on a DM644x device - - To compile this driver as a module, choose M here: the - module will be called vpbe_display. diff --git a/drivers/media/platform/davinci/Makefile b/drivers/media/platform/davinci/Makefile index 74ed92d0925..f40f5219ca5 100644 --- a/drivers/media/platform/davinci/Makefile +++ b/drivers/media/platform/davinci/Makefile @@ -16,5 +16,5 @@ obj-$(CONFIG_VIDEO_VPFE_CAPTURE) += vpfe_capture.o obj-$(CONFIG_VIDEO_DM6446_CCDC) += dm644x_ccdc.o obj-$(CONFIG_VIDEO_DM355_CCDC) += dm355_ccdc.o obj-$(CONFIG_VIDEO_ISIF) += isif.o -obj-$(CONFIG_VIDEO_DM644X_VPBE) += vpbe.o vpbe_osd.o vpbe_venc.o -obj-$(CONFIG_VIDEO_VPBE_DISPLAY) += vpbe_display.o +obj-$(CONFIG_VIDEO_DAVINCI_VPBE_DISPLAY) += vpbe.o vpbe_osd.o \ + vpbe_venc.o vpbe_display.o diff --git a/drivers/media/platform/davinci/dm355_ccdc.c b/drivers/media/platform/davinci/dm355_ccdc.c index f263cabade7..4277e4ad810 100644 --- a/drivers/media/platform/davinci/dm355_ccdc.c +++ b/drivers/media/platform/davinci/dm355_ccdc.c @@ -557,7 +557,7 @@ static int ccdc_config_vdfc(struct ccdc_vertical_dft *dfc) */ static void ccdc_config_csc(struct ccdc_csc *csc) { - u32 val1, val2; + u32 val1 = 0, val2; int i; if (!csc->enable) diff --git a/drivers/media/platform/davinci/vpbe.c b/drivers/media/platform/davinci/vpbe.c index 841b91a3d25..4ca0f9a2ad8 100644 --- a/drivers/media/platform/davinci/vpbe.c +++ b/drivers/media/platform/davinci/vpbe.c @@ -558,9 +558,9 @@ static int platform_device_get(struct device *dev, void *data) struct platform_device *pdev = to_platform_device(dev); struct vpbe_device *vpbe_dev = data; - if (strcmp("vpbe-osd", pdev->name) == 0) + if (strstr(pdev->name, "vpbe-osd") != NULL) vpbe_dev->osd_device = platform_get_drvdata(pdev); - if (strcmp("vpbe-venc", pdev->name) == 0) + if (strstr(pdev->name, "vpbe-venc") != NULL) vpbe_dev->venc_device = dev_get_platdata(&pdev->dev); return 0; @@ -584,7 +584,6 @@ static int vpbe_initialize(struct device *dev, struct vpbe_device *vpbe_dev) struct v4l2_subdev **enc_subdev; struct osd_state *osd_device; struct i2c_adapter *i2c_adap; - int output_index; int num_encoders; int ret = 0; int err; @@ -632,8 +631,10 @@ static int vpbe_initialize(struct device *dev, struct vpbe_device *vpbe_dev) err = bus_for_each_dev(&platform_bus_type, NULL, vpbe_dev, platform_device_get); - if (err < 0) - return err; + if (err < 0) { + ret = err; + goto fail_dev_unregister; + } vpbe_dev->venc = venc_sub_dev_init(&vpbe_dev->v4l2_dev, vpbe_dev->cfg->venc.module_name); @@ -731,7 +732,6 @@ static int vpbe_initialize(struct device *dev, struct vpbe_device *vpbe_dev) /* set the current encoder and output to that of venc by default */ vpbe_dev->current_sd_index = 0; vpbe_dev->current_out_index = 0; - output_index = 0; mutex_unlock(&vpbe_dev->lock); diff --git a/drivers/media/platform/davinci/vpbe_display.c b/drivers/media/platform/davinci/vpbe_display.c index e707a6f2325..5e6b0cab514 100644 --- a/drivers/media/platform/davinci/vpbe_display.c +++ b/drivers/media/platform/davinci/vpbe_display.c @@ -791,7 +791,6 @@ static int vpbe_display_g_crop(struct file *file, void *priv, struct vpbe_device *vpbe_dev = fh->disp_dev->vpbe_dev; struct osd_state *osd_device = fh->disp_dev->osd_device; struct v4l2_rect *rect = &crop->c; - int ret; v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "VIDIOC_G_CROP, layer id = %d\n", @@ -799,7 +798,7 @@ static int vpbe_display_g_crop(struct file *file, void *priv, if (crop->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) { v4l2_err(&vpbe_dev->v4l2_dev, "Invalid buf type\n"); - ret = -EINVAL; + return -EINVAL; } osd_device->ops.get_layer_config(osd_device, layer->layer_info.id, cfg); @@ -1393,9 +1392,9 @@ static int vpbe_display_reqbufs(struct file *file, void *priv, } /* Initialize videobuf queue as per the buffer type */ layer->alloc_ctx = vb2_dma_contig_init_ctx(vpbe_dev->pdev); - if (!layer->alloc_ctx) { + if (IS_ERR(layer->alloc_ctx)) { v4l2_err(&vpbe_dev->v4l2_dev, "Failed to get the context\n"); - return -EINVAL; + return PTR_ERR(layer->alloc_ctx); } q = &layer->buffer_queue; memset(q, 0, sizeof(*q)); @@ -1656,7 +1655,7 @@ static int vpbe_device_get(struct device *dev, void *data) if (strcmp("vpbe_controller", pdev->name) == 0) vpbe_disp->vpbe_dev = platform_get_drvdata(pdev); - if (strcmp("vpbe-osd", pdev->name) == 0) + if (strstr(pdev->name, "vpbe-osd") != NULL) vpbe_disp->osd_device = platform_get_drvdata(pdev); return 0; diff --git a/drivers/media/platform/davinci/vpbe_osd.c b/drivers/media/platform/davinci/vpbe_osd.c index 707f243f810..12ad17c52ef 100644 --- a/drivers/media/platform/davinci/vpbe_osd.c +++ b/drivers/media/platform/davinci/vpbe_osd.c @@ -39,7 +39,22 @@ #include <linux/io.h> #include "vpbe_osd_regs.h" -#define MODULE_NAME VPBE_OSD_SUBDEV_NAME +#define MODULE_NAME "davinci-vpbe-osd" + +static struct platform_device_id vpbe_osd_devtype[] = { + { + .name = DM644X_VPBE_OSD_SUBDEV_NAME, + .driver_data = VPBE_VERSION_1, + }, { + .name = DM365_VPBE_OSD_SUBDEV_NAME, + .driver_data = VPBE_VERSION_2, + }, { + .name = DM355_VPBE_OSD_SUBDEV_NAME, + .driver_data = VPBE_VERSION_3, + }, +}; + +MODULE_DEVICE_TABLE(platform, vpbe_osd_devtype); /* register access routines */ static inline u32 osd_read(struct osd_state *sd, u32 offset) @@ -129,7 +144,7 @@ static int _osd_dm6446_vid0_pingpong(struct osd_state *sd, struct osd_platform_data *pdata; pdata = (struct osd_platform_data *)sd->dev->platform_data; - if (pdata->field_inv_wa_enable) { + if (pdata != NULL && pdata->field_inv_wa_enable) { if (!field_inversion || !lconfig->interlaced) { osd_write(sd, fb_base_phys & ~0x1F, OSD_VIDWIN0ADR); @@ -1526,7 +1541,7 @@ static const struct vpbe_osd_ops osd_ops = { static int osd_probe(struct platform_device *pdev) { - struct osd_platform_data *pdata; + const struct platform_device_id *pdev_id; struct osd_state *osd; struct resource *res; int ret = 0; @@ -1535,16 +1550,15 @@ static int osd_probe(struct platform_device *pdev) if (osd == NULL) return -ENOMEM; - osd->dev = &pdev->dev; - pdata = (struct osd_platform_data *)pdev->dev.platform_data; - osd->vpbe_type = (enum vpbe_version)pdata->vpbe_type; - if (NULL == pdev->dev.platform_data) { - dev_err(osd->dev, "No platform data defined for OSD" - " sub device\n"); - ret = -ENOENT; + pdev_id = platform_get_device_id(pdev); + if (!pdev_id) { + ret = -EINVAL; goto free_mem; } + osd->dev = &pdev->dev; + osd->vpbe_type = pdev_id->driver_data; + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!res) { dev_err(osd->dev, "Unable to get OSD register address map\n"); @@ -1595,6 +1609,7 @@ static struct platform_driver osd_driver = { .name = MODULE_NAME, .owner = THIS_MODULE, }, + .id_table = vpbe_osd_devtype }; module_platform_driver(osd_driver); diff --git a/drivers/media/platform/davinci/vpbe_venc.c b/drivers/media/platform/davinci/vpbe_venc.c index aed7369b962..bdbebd59df9 100644 --- a/drivers/media/platform/davinci/vpbe_venc.c +++ b/drivers/media/platform/davinci/vpbe_venc.c @@ -38,7 +38,22 @@ #include "vpbe_venc_regs.h" -#define MODULE_NAME VPBE_VENC_SUBDEV_NAME +#define MODULE_NAME "davinci-vpbe-venc" + +static struct platform_device_id vpbe_venc_devtype[] = { + { + .name = DM644X_VPBE_VENC_SUBDEV_NAME, + .driver_data = VPBE_VERSION_1, + }, { + .name = DM365_VPBE_VENC_SUBDEV_NAME, + .driver_data = VPBE_VERSION_2, + }, { + .name = DM355_VPBE_VENC_SUBDEV_NAME, + .driver_data = VPBE_VERSION_3, + }, +}; + +MODULE_DEVICE_TABLE(platform, vpbe_venc_devtype); static int debug = 2; module_param(debug, int, 0644); @@ -54,6 +69,7 @@ struct venc_state { spinlock_t lock; void __iomem *venc_base; void __iomem *vdaccfg_reg; + enum vpbe_version venc_type; }; static inline struct venc_state *to_state(struct v4l2_subdev *sd) @@ -127,7 +143,7 @@ static int venc_set_dac(struct v4l2_subdev *sd, u32 out_index) static void venc_enabledigitaloutput(struct v4l2_subdev *sd, int benable) { struct venc_state *venc = to_state(sd); - struct venc_platform_data *pdata = venc->pdata; + v4l2_dbg(debug, 2, sd, "venc_enabledigitaloutput\n"); if (benable) { @@ -159,7 +175,7 @@ static void venc_enabledigitaloutput(struct v4l2_subdev *sd, int benable) /* Disable LCD output control (accepting default polarity) */ venc_write(sd, VENC_LCDOUT, 0); - if (pdata->venc_type != VPBE_VERSION_3) + if (venc->venc_type != VPBE_VERSION_3) venc_write(sd, VENC_CMPNT, 0x100); venc_write(sd, VENC_HSPLS, 0); venc_write(sd, VENC_HINT, 0); @@ -203,11 +219,11 @@ static int venc_set_ntsc(struct v4l2_subdev *sd) venc_enabledigitaloutput(sd, 0); - if (pdata->venc_type == VPBE_VERSION_3) { + if (venc->venc_type == VPBE_VERSION_3) { venc_write(sd, VENC_CLKCTL, 0x01); venc_write(sd, VENC_VIDCTL, 0); val = vdaccfg_write(sd, VDAC_CONFIG_SD_V3); - } else if (pdata->venc_type == VPBE_VERSION_2) { + } else if (venc->venc_type == VPBE_VERSION_2) { venc_write(sd, VENC_CLKCTL, 0x01); venc_write(sd, VENC_VIDCTL, 0); vdaccfg_write(sd, VDAC_CONFIG_SD_V2); @@ -238,7 +254,6 @@ static int venc_set_ntsc(struct v4l2_subdev *sd) static int venc_set_pal(struct v4l2_subdev *sd) { struct venc_state *venc = to_state(sd); - struct venc_platform_data *pdata = venc->pdata; v4l2_dbg(debug, 2, sd, "venc_set_pal\n"); @@ -249,11 +264,11 @@ static int venc_set_pal(struct v4l2_subdev *sd) venc_enabledigitaloutput(sd, 0); - if (pdata->venc_type == VPBE_VERSION_3) { + if (venc->venc_type == VPBE_VERSION_3) { venc_write(sd, VENC_CLKCTL, 0x1); venc_write(sd, VENC_VIDCTL, 0); vdaccfg_write(sd, VDAC_CONFIG_SD_V3); - } else if (pdata->venc_type == VPBE_VERSION_2) { + } else if (venc->venc_type == VPBE_VERSION_2) { venc_write(sd, VENC_CLKCTL, 0x1); venc_write(sd, VENC_VIDCTL, 0); vdaccfg_write(sd, VDAC_CONFIG_SD_V2); @@ -293,8 +308,8 @@ static int venc_set_480p59_94(struct v4l2_subdev *sd) struct venc_platform_data *pdata = venc->pdata; v4l2_dbg(debug, 2, sd, "venc_set_480p59_94\n"); - if ((pdata->venc_type != VPBE_VERSION_1) && - (pdata->venc_type != VPBE_VERSION_2)) + if (venc->venc_type != VPBE_VERSION_1 && + venc->venc_type != VPBE_VERSION_2) return -EINVAL; /* Setup clock at VPSS & VENC for SD */ @@ -303,12 +318,12 @@ static int venc_set_480p59_94(struct v4l2_subdev *sd) venc_enabledigitaloutput(sd, 0); - if (pdata->venc_type == VPBE_VERSION_2) + if (venc->venc_type == VPBE_VERSION_2) vdaccfg_write(sd, VDAC_CONFIG_HD_V2); venc_write(sd, VENC_OSDCLK0, 0); venc_write(sd, VENC_OSDCLK1, 1); - if (pdata->venc_type == VPBE_VERSION_1) { + if (venc->venc_type == VPBE_VERSION_1) { venc_modify(sd, VENC_VDPRO, VENC_VDPRO_DAFRQ, VENC_VDPRO_DAFRQ); venc_modify(sd, VENC_VDPRO, VENC_VDPRO_DAUPS, @@ -341,8 +356,8 @@ static int venc_set_576p50(struct v4l2_subdev *sd) v4l2_dbg(debug, 2, sd, "venc_set_576p50\n"); - if ((pdata->venc_type != VPBE_VERSION_1) && - (pdata->venc_type != VPBE_VERSION_2)) + if (venc->venc_type != VPBE_VERSION_1 && + venc->venc_type != VPBE_VERSION_2) return -EINVAL; /* Setup clock at VPSS & VENC for SD */ if (pdata->setup_clock(VPBE_ENC_CUSTOM_TIMINGS, 27000000) < 0) @@ -350,13 +365,13 @@ static int venc_set_576p50(struct v4l2_subdev *sd) venc_enabledigitaloutput(sd, 0); - if (pdata->venc_type == VPBE_VERSION_2) + if (venc->venc_type == VPBE_VERSION_2) vdaccfg_write(sd, VDAC_CONFIG_HD_V2); venc_write(sd, VENC_OSDCLK0, 0); venc_write(sd, VENC_OSDCLK1, 1); - if (pdata->venc_type == VPBE_VERSION_1) { + if (venc->venc_type == VPBE_VERSION_1) { venc_modify(sd, VENC_VDPRO, VENC_VDPRO_DAFRQ, VENC_VDPRO_DAFRQ); venc_modify(sd, VENC_VDPRO, VENC_VDPRO_DAUPS, @@ -460,14 +475,14 @@ static int venc_s_dv_timings(struct v4l2_subdev *sd, else if (height == 480) return venc_set_480p59_94(sd); else if ((height == 720) && - (venc->pdata->venc_type == VPBE_VERSION_2)) { + (venc->venc_type == VPBE_VERSION_2)) { /* TBD setup internal 720p mode here */ ret = venc_set_720p60_internal(sd); /* for DM365 VPBE, there is DAC inside */ vdaccfg_write(sd, VDAC_CONFIG_HD_V2); return ret; } else if ((height == 1080) && - (venc->pdata->venc_type == VPBE_VERSION_2)) { + (venc->venc_type == VPBE_VERSION_2)) { /* TBD setup internal 1080i mode here */ ret = venc_set_1080i30_internal(sd); /* for DM365 VPBE, there is DAC inside */ @@ -556,7 +571,7 @@ static int venc_device_get(struct device *dev, void *data) struct platform_device *pdev = to_platform_device(dev); struct venc_state **venc = data; - if (strcmp(MODULE_NAME, pdev->name) == 0) + if (strstr(pdev->name, "vpbe-venc") != NULL) *venc = platform_get_drvdata(pdev); return 0; @@ -593,6 +608,7 @@ EXPORT_SYMBOL(venc_sub_dev_init); static int venc_probe(struct platform_device *pdev) { + const struct platform_device_id *pdev_id; struct venc_state *venc; struct resource *res; int ret; @@ -601,6 +617,12 @@ static int venc_probe(struct platform_device *pdev) if (venc == NULL) return -ENOMEM; + pdev_id = platform_get_device_id(pdev); + if (!pdev_id) { + ret = -EINVAL; + goto free_mem; + } + venc->venc_type = pdev_id->driver_data; venc->pdev = &pdev->dev; venc->pdata = pdev->dev.platform_data; if (NULL == venc->pdata) { @@ -630,7 +652,7 @@ static int venc_probe(struct platform_device *pdev) goto release_venc_mem_region; } - if (venc->pdata->venc_type != VPBE_VERSION_1) { + if (venc->venc_type != VPBE_VERSION_1) { res = platform_get_resource(pdev, IORESOURCE_MEM, 1); if (!res) { dev_err(venc->pdev, @@ -681,7 +703,7 @@ static int venc_remove(struct platform_device *pdev) res = platform_get_resource(pdev, IORESOURCE_MEM, 0); iounmap((void *)venc->venc_base); release_mem_region(res->start, resource_size(res)); - if (venc->pdata->venc_type != VPBE_VERSION_1) { + if (venc->venc_type != VPBE_VERSION_1) { res = platform_get_resource(pdev, IORESOURCE_MEM, 1); iounmap((void *)venc->vdaccfg_reg); release_mem_region(res->start, resource_size(res)); @@ -698,6 +720,7 @@ static struct platform_driver venc_driver = { .name = MODULE_NAME, .owner = THIS_MODULE, }, + .id_table = vpbe_venc_devtype }; module_platform_driver(venc_driver); diff --git a/drivers/media/platform/davinci/vpfe_capture.c b/drivers/media/platform/davinci/vpfe_capture.c index be9d3e1b486..28d019da4c0 100644 --- a/drivers/media/platform/davinci/vpfe_capture.c +++ b/drivers/media/platform/davinci/vpfe_capture.c @@ -560,10 +560,7 @@ static void vpfe_schedule_bottom_field(struct vpfe_device *vpfe_dev) static void vpfe_process_buffer_complete(struct vpfe_device *vpfe_dev) { - struct timeval timevalue; - - do_gettimeofday(&timevalue); - vpfe_dev->cur_frm->ts = timevalue; + v4l2_get_timestamp(&vpfe_dev->cur_frm->ts); vpfe_dev->cur_frm->state = VIDEOBUF_DONE; vpfe_dev->cur_frm->size = vpfe_dev->fmt.fmt.pix.sizeimage; wake_up_interruptible(&vpfe_dev->cur_frm->done); diff --git a/drivers/media/platform/davinci/vpif_capture.c b/drivers/media/platform/davinci/vpif_capture.c index a409ccefb38..5892d2bc8ee 100644 --- a/drivers/media/platform/davinci/vpif_capture.c +++ b/drivers/media/platform/davinci/vpif_capture.c @@ -411,7 +411,7 @@ static struct vb2_ops video_qops = { */ static void vpif_process_buffer_complete(struct common_obj *common) { - do_gettimeofday(&common->cur_frm->vb.v4l2_buf.timestamp); + v4l2_get_timestamp(&common->cur_frm->vb.v4l2_buf.timestamp); vb2_buffer_done(&common->cur_frm->vb, VB2_BUF_STATE_DONE); /* Make curFrm pointing to nextFrm */ diff --git a/drivers/media/platform/davinci/vpif_display.c b/drivers/media/platform/davinci/vpif_display.c index 9f2b603be9c..dd249c96126 100644 --- a/drivers/media/platform/davinci/vpif_display.c +++ b/drivers/media/platform/davinci/vpif_display.c @@ -402,7 +402,7 @@ static void process_interlaced_mode(int fid, struct common_obj *common) /* one frame is displayed If next frame is * available, release cur_frm and move on */ /* Copy frame display time */ - do_gettimeofday(&common->cur_frm->vb.v4l2_buf.timestamp); + v4l2_get_timestamp(&common->cur_frm->vb.v4l2_buf.timestamp); /* Change status of the cur_frm */ vb2_buffer_done(&common->cur_frm->vb, VB2_BUF_STATE_DONE); @@ -462,8 +462,8 @@ static irqreturn_t vpif_channel_isr(int irq, void *dev_id) if (!channel_first_int[i][channel_id]) { /* Mark status of the cur_frm to * done and unlock semaphore on it */ - do_gettimeofday(&common->cur_frm->vb. - v4l2_buf.timestamp); + v4l2_get_timestamp(&common->cur_frm->vb. + v4l2_buf.timestamp); vb2_buffer_done(&common->cur_frm->vb, VB2_BUF_STATE_DONE); /* Make cur_frm pointing to next_frm */ diff --git a/drivers/media/platform/davinci/vpss.c b/drivers/media/platform/davinci/vpss.c index 684e815a81b..a19c552232d 100644 --- a/drivers/media/platform/davinci/vpss.c +++ b/drivers/media/platform/davinci/vpss.c @@ -50,13 +50,29 @@ MODULE_AUTHOR("Texas Instruments"); /* VENCINT - vpss_int8 */ #define DM355_VPSSBL_EVTSEL_DEFAULT 0x4 -#define DM365_ISP5_PCCR 0x04 +#define DM365_ISP5_PCCR 0x04 +#define DM365_ISP5_PCCR_BL_CLK_ENABLE BIT(0) +#define DM365_ISP5_PCCR_ISIF_CLK_ENABLE BIT(1) +#define DM365_ISP5_PCCR_H3A_CLK_ENABLE BIT(2) +#define DM365_ISP5_PCCR_RSZ_CLK_ENABLE BIT(3) +#define DM365_ISP5_PCCR_IPIPE_CLK_ENABLE BIT(4) +#define DM365_ISP5_PCCR_IPIPEIF_CLK_ENABLE BIT(5) +#define DM365_ISP5_PCCR_RSV BIT(6) + +#define DM365_ISP5_BCR 0x08 +#define DM365_ISP5_BCR_ISIF_OUT_ENABLE BIT(1) + #define DM365_ISP5_INTSEL1 0x10 #define DM365_ISP5_INTSEL2 0x14 #define DM365_ISP5_INTSEL3 0x18 #define DM365_ISP5_CCDCMUX 0x20 #define DM365_ISP5_PG_FRAME_SIZE 0x28 #define DM365_VPBE_CLK_CTRL 0x00 + +#define VPSS_CLK_CTRL 0x01c40044 +#define VPSS_CLK_CTRL_VENCCLKEN BIT(3) +#define VPSS_CLK_CTRL_DACCLKEN BIT(4) + /* * vpss interrupts. VDINT0 - vpss_int0, VDINT1 - vpss_int1, * AF - vpss_int3 @@ -94,12 +110,19 @@ struct vpss_hw_ops { void (*select_ccdc_source)(enum vpss_ccdc_source_sel src_sel); /* clear wbl overflow bit */ int (*clear_wbl_overflow)(enum vpss_wbl_sel wbl_sel); + /* set sync polarity */ + void (*set_sync_pol)(struct vpss_sync_pol); + /* set the PG_FRAME_SIZE register*/ + void (*set_pg_frame_size)(struct vpss_pg_frame_size); + /* check and clear interrupt if occured */ + int (*dma_complete_interrupt)(void); }; /* vpss configuration */ struct vpss_oper_config { __iomem void *vpss_regs_base0; __iomem void *vpss_regs_base1; + resource_size_t *vpss_regs_base2; enum vpss_platform_type platform; spinlock_t vpss_lock; struct vpss_hw_ops hw_ops; @@ -157,6 +180,14 @@ static void dm355_select_ccdc_source(enum vpss_ccdc_source_sel src_sel) bl_regw(src_sel << VPSS_HSSISEL_SHIFT, DM355_VPSSBL_CCDCMUX); } +int vpss_dma_complete_interrupt(void) +{ + if (!oper_cfg.hw_ops.dma_complete_interrupt) + return 2; + return oper_cfg.hw_ops.dma_complete_interrupt(); +} +EXPORT_SYMBOL(vpss_dma_complete_interrupt); + int vpss_select_ccdc_source(enum vpss_ccdc_source_sel src_sel) { if (!oper_cfg.hw_ops.select_ccdc_source) @@ -182,6 +213,15 @@ static int dm644x_clear_wbl_overflow(enum vpss_wbl_sel wbl_sel) return 0; } +void vpss_set_sync_pol(struct vpss_sync_pol sync) +{ + if (!oper_cfg.hw_ops.set_sync_pol) + return; + + oper_cfg.hw_ops.set_sync_pol(sync); +} +EXPORT_SYMBOL(vpss_set_sync_pol); + int vpss_clear_wbl_overflow(enum vpss_wbl_sel wbl_sel) { if (!oper_cfg.hw_ops.clear_wbl_overflow) @@ -347,6 +387,15 @@ void dm365_vpss_set_sync_pol(struct vpss_sync_pol sync) } EXPORT_SYMBOL(dm365_vpss_set_sync_pol); +void vpss_set_pg_frame_size(struct vpss_pg_frame_size frame_size) +{ + if (!oper_cfg.hw_ops.set_pg_frame_size) + return; + + oper_cfg.hw_ops.set_pg_frame_size(frame_size); +} +EXPORT_SYMBOL(vpss_set_pg_frame_size); + void dm365_vpss_set_pg_frame_size(struct vpss_pg_frame_size frame_size) { int current_reg = ((frame_size.hlpfr >> 1) - 1) << 16; @@ -425,6 +474,16 @@ static int vpss_probe(struct platform_device *pdev) oper_cfg.hw_ops.enable_clock = dm365_enable_clock; oper_cfg.hw_ops.select_ccdc_source = dm365_select_ccdc_source; /* Setup vpss interrupts */ + isp5_write((isp5_read(DM365_ISP5_PCCR) | + DM365_ISP5_PCCR_BL_CLK_ENABLE | + DM365_ISP5_PCCR_ISIF_CLK_ENABLE | + DM365_ISP5_PCCR_H3A_CLK_ENABLE | + DM365_ISP5_PCCR_RSZ_CLK_ENABLE | + DM365_ISP5_PCCR_IPIPE_CLK_ENABLE | + DM365_ISP5_PCCR_IPIPEIF_CLK_ENABLE | + DM365_ISP5_PCCR_RSV), DM365_ISP5_PCCR); + isp5_write((isp5_read(DM365_ISP5_BCR) | + DM365_ISP5_BCR_ISIF_OUT_ENABLE), DM365_ISP5_BCR); isp5_write(DM365_ISP5_INTSEL1_DEFAULT, DM365_ISP5_INTSEL1); isp5_write(DM365_ISP5_INTSEL2_DEFAULT, DM365_ISP5_INTSEL2); isp5_write(DM365_ISP5_INTSEL3_DEFAULT, DM365_ISP5_INTSEL3); @@ -470,11 +529,20 @@ static struct platform_driver vpss_driver = { static void vpss_exit(void) { + iounmap(oper_cfg.vpss_regs_base2); + release_mem_region(VPSS_CLK_CTRL, 4); platform_driver_unregister(&vpss_driver); } static int __init vpss_init(void) { + if (!request_mem_region(VPSS_CLK_CTRL, 4, "vpss_clock_control")) + return -EBUSY; + + oper_cfg.vpss_regs_base2 = ioremap(VPSS_CLK_CTRL, 4); + writel(VPSS_CLK_CTRL_VENCCLKEN | + VPSS_CLK_CTRL_DACCLKEN, oper_cfg.vpss_regs_base2); + return platform_driver_register(&vpss_driver); } subsys_initcall(vpss_init); diff --git a/drivers/media/platform/exynos-gsc/gsc-core.c b/drivers/media/platform/exynos-gsc/gsc-core.c index c1a07133cc5..82d9f6ac12f 100644 --- a/drivers/media/platform/exynos-gsc/gsc-core.c +++ b/drivers/media/platform/exynos-gsc/gsc-core.c @@ -185,6 +185,15 @@ static const struct gsc_fmt gsc_formats[] = { .corder = GSC_CRCB, .num_planes = 3, .num_comp = 3, + }, { + .name = "YUV 4:2:0 n.c. 2p, Y/CbCr tiled", + .pixelformat = V4L2_PIX_FMT_NV12MT_16X16, + .depth = { 8, 4 }, + .color = GSC_YUV420, + .yorder = GSC_LSB_Y, + .corder = GSC_CBCR, + .num_planes = 2, + .num_comp = 2, } }; @@ -935,8 +944,8 @@ static struct gsc_variant gsc_v_100_variant = { .pix_max = &gsc_v_100_max, .pix_min = &gsc_v_100_min, .pix_align = &gsc_v_100_align, - .in_buf_cnt = 8, - .out_buf_cnt = 16, + .in_buf_cnt = 32, + .out_buf_cnt = 32, .sc_up_max = 8, .sc_down_max = 16, .poly_sc_down_max = 4, @@ -993,12 +1002,8 @@ static void *gsc_get_drv_data(struct platform_device *pdev) static void gsc_clk_put(struct gsc_dev *gsc) { - if (IS_ERR_OR_NULL(gsc->clock)) - return; - - clk_unprepare(gsc->clock); - clk_put(gsc->clock); - gsc->clock = NULL; + if (!IS_ERR(gsc->clock)) + clk_unprepare(gsc->clock); } static int gsc_clk_get(struct gsc_dev *gsc) @@ -1007,27 +1012,22 @@ static int gsc_clk_get(struct gsc_dev *gsc) dev_dbg(&gsc->pdev->dev, "gsc_clk_get Called\n"); - gsc->clock = clk_get(&gsc->pdev->dev, GSC_CLOCK_GATE_NAME); - if (IS_ERR(gsc->clock)) - goto err_print; + gsc->clock = devm_clk_get(&gsc->pdev->dev, GSC_CLOCK_GATE_NAME); + if (IS_ERR(gsc->clock)) { + dev_err(&gsc->pdev->dev, "failed to get clock~~~: %s\n", + GSC_CLOCK_GATE_NAME); + return PTR_ERR(gsc->clock); + } ret = clk_prepare(gsc->clock); if (ret < 0) { - clk_put(gsc->clock); - gsc->clock = NULL; - goto err; + dev_err(&gsc->pdev->dev, "clock prepare failed for clock: %s\n", + GSC_CLOCK_GATE_NAME); + gsc->clock = ERR_PTR(-EINVAL); + return ret; } return 0; - -err: - dev_err(&gsc->pdev->dev, "clock prepare failed for clock: %s\n", - GSC_CLOCK_GATE_NAME); - gsc_clk_put(gsc); -err_print: - dev_err(&gsc->pdev->dev, "failed to get clock~~~: %s\n", - GSC_CLOCK_GATE_NAME); - return -ENXIO; } static int gsc_m2m_suspend(struct gsc_dev *gsc) @@ -1096,6 +1096,7 @@ static int gsc_probe(struct platform_device *pdev) init_waitqueue_head(&gsc->irq_queue); spin_lock_init(&gsc->slock); mutex_init(&gsc->lock); + gsc->clock = ERR_PTR(-EINVAL); res = platform_get_resource(pdev, IORESOURCE_MEM, 0); gsc->regs = devm_ioremap_resource(dev, res); @@ -1157,6 +1158,7 @@ static int gsc_remove(struct platform_device *pdev) vb2_dma_contig_cleanup_ctx(gsc->alloc_ctx); pm_runtime_disable(&pdev->dev); + gsc_clk_put(gsc); dev_dbg(&pdev->dev, "%s driver unloaded\n", pdev->name); return 0; diff --git a/drivers/media/platform/exynos-gsc/gsc-core.h b/drivers/media/platform/exynos-gsc/gsc-core.h index 5f157efd24f..cc19bba09bd 100644 --- a/drivers/media/platform/exynos-gsc/gsc-core.h +++ b/drivers/media/platform/exynos-gsc/gsc-core.h @@ -427,6 +427,11 @@ static inline void gsc_ctx_state_lock_clear(u32 state, struct gsc_ctx *ctx) spin_unlock_irqrestore(&ctx->gsc_dev->slock, flags); } +static inline int is_tiled(const struct gsc_fmt *fmt) +{ + return fmt->pixelformat == V4L2_PIX_FMT_NV12MT_16X16; +} + static inline void gsc_hw_enable_control(struct gsc_dev *dev, bool on) { u32 cfg = readl(dev->regs + GSC_ENABLE); diff --git a/drivers/media/platform/exynos-gsc/gsc-m2m.c b/drivers/media/platform/exynos-gsc/gsc-m2m.c index c267c57c76f..386c0a7a3a5 100644 --- a/drivers/media/platform/exynos-gsc/gsc-m2m.c +++ b/drivers/media/platform/exynos-gsc/gsc-m2m.c @@ -99,22 +99,28 @@ static void gsc_m2m_job_abort(void *priv) gsc_m2m_job_finish(ctx, VB2_BUF_STATE_ERROR); } -static int gsc_fill_addr(struct gsc_ctx *ctx) +static int gsc_get_bufs(struct gsc_ctx *ctx) { struct gsc_frame *s_frame, *d_frame; - struct vb2_buffer *vb = NULL; + struct vb2_buffer *src_vb, *dst_vb; int ret; s_frame = &ctx->s_frame; d_frame = &ctx->d_frame; - vb = v4l2_m2m_next_src_buf(ctx->m2m_ctx); - ret = gsc_prepare_addr(ctx, vb, s_frame, &s_frame->addr); + src_vb = v4l2_m2m_next_src_buf(ctx->m2m_ctx); + ret = gsc_prepare_addr(ctx, src_vb, s_frame, &s_frame->addr); if (ret) return ret; - vb = v4l2_m2m_next_dst_buf(ctx->m2m_ctx); - return gsc_prepare_addr(ctx, vb, d_frame, &d_frame->addr); + dst_vb = v4l2_m2m_next_dst_buf(ctx->m2m_ctx); + ret = gsc_prepare_addr(ctx, dst_vb, d_frame, &d_frame->addr); + if (ret) + return ret; + + dst_vb->v4l2_buf.timestamp = src_vb->v4l2_buf.timestamp; + + return 0; } static void gsc_m2m_device_run(void *priv) @@ -148,7 +154,7 @@ static void gsc_m2m_device_run(void *priv) goto put_device; } - ret = gsc_fill_addr(ctx); + ret = gsc_get_bufs(ctx); if (ret) { pr_err("Wrong address"); goto put_device; @@ -367,6 +373,13 @@ static int gsc_m2m_reqbufs(struct file *file, void *fh, return v4l2_m2m_reqbufs(file, ctx->m2m_ctx, reqbufs); } +static int gsc_m2m_expbuf(struct file *file, void *fh, + struct v4l2_exportbuffer *eb) +{ + struct gsc_ctx *ctx = fh_to_ctx(fh); + return v4l2_m2m_expbuf(file, ctx->m2m_ctx, eb); +} + static int gsc_m2m_querybuf(struct file *file, void *fh, struct v4l2_buffer *buf) { @@ -548,6 +561,7 @@ static const struct v4l2_ioctl_ops gsc_m2m_ioctl_ops = { .vidioc_s_fmt_vid_cap_mplane = gsc_m2m_s_fmt_mplane, .vidioc_s_fmt_vid_out_mplane = gsc_m2m_s_fmt_mplane, .vidioc_reqbufs = gsc_m2m_reqbufs, + .vidioc_expbuf = gsc_m2m_expbuf, .vidioc_querybuf = gsc_m2m_querybuf, .vidioc_qbuf = gsc_m2m_qbuf, .vidioc_dqbuf = gsc_m2m_dqbuf, @@ -565,7 +579,7 @@ static int queue_init(void *priv, struct vb2_queue *src_vq, memset(src_vq, 0, sizeof(*src_vq)); src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; - src_vq->io_modes = VB2_MMAP | VB2_USERPTR; + src_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF; src_vq->drv_priv = ctx; src_vq->ops = &gsc_m2m_qops; src_vq->mem_ops = &vb2_dma_contig_memops; @@ -577,7 +591,7 @@ static int queue_init(void *priv, struct vb2_queue *src_vq, memset(dst_vq, 0, sizeof(*dst_vq)); dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; - dst_vq->io_modes = VB2_MMAP | VB2_USERPTR; + dst_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF; dst_vq->drv_priv = ctx; dst_vq->ops = &gsc_m2m_qops; dst_vq->mem_ops = &vb2_dma_contig_memops; @@ -597,7 +611,7 @@ static int gsc_m2m_open(struct file *file) if (mutex_lock_interruptible(&gsc->lock)) return -ERESTARTSYS; - ctx = kzalloc(sizeof (*ctx), GFP_KERNEL); + ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); if (!ctx) { ret = -ENOMEM; goto unlock; diff --git a/drivers/media/platform/exynos-gsc/gsc-regs.c b/drivers/media/platform/exynos-gsc/gsc-regs.c index 0146b354dc2..6f5b5a486cf 100644 --- a/drivers/media/platform/exynos-gsc/gsc-regs.c +++ b/drivers/media/platform/exynos-gsc/gsc-regs.c @@ -214,6 +214,9 @@ void gsc_hw_set_in_image_format(struct gsc_ctx *ctx) break; } + if (is_tiled(frame->fmt)) + cfg |= GSC_IN_TILE_C_16x8 | GSC_IN_TILE_MODE; + writel(cfg, dev->regs + GSC_IN_CON); } @@ -334,6 +337,9 @@ void gsc_hw_set_out_image_format(struct gsc_ctx *ctx) break; } + if (is_tiled(frame->fmt)) + cfg |= GSC_OUT_TILE_C_16x8 | GSC_OUT_TILE_MODE; + end_set: writel(cfg, dev->regs + GSC_OUT_CON); } diff --git a/drivers/media/platform/fsl-viu.c b/drivers/media/platform/fsl-viu.c index 9115a2c8d07..5f7db3f1f6f 100644 --- a/drivers/media/platform/fsl-viu.c +++ b/drivers/media/platform/fsl-viu.c @@ -1181,7 +1181,7 @@ static void viu_capture_intr(struct viu_dev *dev, u32 status) if (waitqueue_active(&buf->vb.done)) { list_del(&buf->vb.queue); - do_gettimeofday(&buf->vb.ts); + v4l2_get_timestamp(&buf->vb.ts); buf->vb.state = VIDEOBUF_DONE; buf->vb.field_count++; wake_up(&buf->vb.done); diff --git a/drivers/media/platform/m2m-deinterlace.c b/drivers/media/platform/m2m-deinterlace.c index 05c560f2ef0..6c4db9b9898 100644 --- a/drivers/media/platform/m2m-deinterlace.c +++ b/drivers/media/platform/m2m-deinterlace.c @@ -28,7 +28,7 @@ MODULE_AUTHOR("Javier Martin <javier.martin@vista-silicon.com"); MODULE_LICENSE("GPL"); MODULE_VERSION("0.0.1"); -static bool debug = true; +static bool debug; module_param(debug, bool, 0644); /* Flags that indicate a format can be used for capture/output */ @@ -917,10 +917,8 @@ static int deinterlace_open(struct file *file) ctx->xt = kzalloc(sizeof(struct dma_async_tx_descriptor) + sizeof(struct data_chunk), GFP_KERNEL); if (!ctx->xt) { - int ret = PTR_ERR(ctx->xt); - kfree(ctx); - return ret; + return -ENOMEM; } ctx->colorspace = V4L2_COLORSPACE_REC709; diff --git a/drivers/media/platform/marvell-ccic/mcam-core.c b/drivers/media/platform/marvell-ccic/mcam-core.c index ce2b7b4788d..92a33f08185 100644 --- a/drivers/media/platform/marvell-ccic/mcam-core.c +++ b/drivers/media/platform/marvell-ccic/mcam-core.c @@ -22,6 +22,7 @@ #include <linux/videodev2.h> #include <media/v4l2-device.h> #include <media/v4l2-ioctl.h> +#include <media/v4l2-ctrls.h> #include <media/v4l2-chip-ident.h> #include <media/ov7670.h> #include <media/videobuf2-vmalloc.h> @@ -30,13 +31,6 @@ #include "mcam-core.h" -/* - * Basic frame stats - to be deleted shortly - */ -static int frames; -static int singles; -static int delivered; - #ifdef MCAM_MODE_VMALLOC /* * Internal DMA buffer management. Since the controller cannot do S/G I/O, @@ -367,10 +361,10 @@ static void mcam_frame_tasklet(unsigned long data) if (!test_bit(bufno, &cam->flags)) continue; if (list_empty(&cam->buffers)) { - singles++; + cam->frame_state.singles++; break; /* Leave it valid, hope for better later */ } - delivered++; + cam->frame_state.delivered++; clear_bit(bufno, &cam->flags); buf = list_first_entry(&cam->buffers, struct mcam_vb_buffer, queue); @@ -452,7 +446,7 @@ static void mcam_set_contig_buffer(struct mcam_camera *cam, int frame) mcam_reg_write(cam, frame == 0 ? REG_Y0BAR : REG_Y1BAR, vb2_dma_contig_plane_dma_addr(&buf->vb_buf, 0)); set_bit(CF_SINGLE_BUFFER, &cam->flags); - singles++; + cam->frame_state.singles++; return; } /* @@ -485,7 +479,7 @@ static void mcam_dma_contig_done(struct mcam_camera *cam, int frame) struct mcam_vb_buffer *buf = cam->vb_bufs[frame]; if (!test_bit(CF_SINGLE_BUFFER, &cam->flags)) { - delivered++; + cam->frame_state.delivered++; mcam_buffer_done(cam, frame, &buf->vb_buf); } mcam_set_contig_buffer(cam, frame); @@ -578,13 +572,13 @@ static void mcam_dma_sg_done(struct mcam_camera *cam, int frame) */ } else { set_bit(CF_SG_RESTART, &cam->flags); - singles++; + cam->frame_state.singles++; cam->vb_bufs[0] = NULL; } /* * Now we can give the completed frame back to user space. */ - delivered++; + cam->frame_state.delivered++; mcam_buffer_done(cam, frame, &buf->vb_buf); } @@ -1232,47 +1226,6 @@ static int mcam_vidioc_dqbuf(struct file *filp, void *priv, return ret; } - - -static int mcam_vidioc_queryctrl(struct file *filp, void *priv, - struct v4l2_queryctrl *qc) -{ - struct mcam_camera *cam = priv; - int ret; - - mutex_lock(&cam->s_mutex); - ret = sensor_call(cam, core, queryctrl, qc); - mutex_unlock(&cam->s_mutex); - return ret; -} - - -static int mcam_vidioc_g_ctrl(struct file *filp, void *priv, - struct v4l2_control *ctrl) -{ - struct mcam_camera *cam = priv; - int ret; - - mutex_lock(&cam->s_mutex); - ret = sensor_call(cam, core, g_ctrl, ctrl); - mutex_unlock(&cam->s_mutex); - return ret; -} - - -static int mcam_vidioc_s_ctrl(struct file *filp, void *priv, - struct v4l2_control *ctrl) -{ - struct mcam_camera *cam = priv; - int ret; - - mutex_lock(&cam->s_mutex); - ret = sensor_call(cam, core, s_ctrl, ctrl); - mutex_unlock(&cam->s_mutex); - return ret; -} - - static int mcam_vidioc_querycap(struct file *file, void *priv, struct v4l2_capability *cap) { @@ -1520,9 +1473,6 @@ static const struct v4l2_ioctl_ops mcam_v4l_ioctl_ops = { .vidioc_dqbuf = mcam_vidioc_dqbuf, .vidioc_streamon = mcam_vidioc_streamon, .vidioc_streamoff = mcam_vidioc_streamoff, - .vidioc_queryctrl = mcam_vidioc_queryctrl, - .vidioc_g_ctrl = mcam_vidioc_g_ctrl, - .vidioc_s_ctrl = mcam_vidioc_s_ctrl, .vidioc_g_parm = mcam_vidioc_g_parm, .vidioc_s_parm = mcam_vidioc_s_parm, .vidioc_enum_framesizes = mcam_vidioc_enum_framesizes, @@ -1545,7 +1495,9 @@ static int mcam_v4l_open(struct file *filp) filp->private_data = cam; - frames = singles = delivered = 0; + cam->frame_state.frames = 0; + cam->frame_state.singles = 0; + cam->frame_state.delivered = 0; mutex_lock(&cam->s_mutex); if (cam->users == 0) { ret = mcam_setup_vb2(cam); @@ -1566,8 +1518,9 @@ static int mcam_v4l_release(struct file *filp) { struct mcam_camera *cam = filp->private_data; - cam_dbg(cam, "Release, %d frames, %d singles, %d delivered\n", frames, - singles, delivered); + cam_dbg(cam, "Release, %d frames, %d singles, %d delivered\n", + cam->frame_state.frames, cam->frame_state.singles, + cam->frame_state.delivered); mutex_lock(&cam->s_mutex); (cam->users)--; if (cam->users == 0) { @@ -1660,7 +1613,7 @@ static void mcam_frame_complete(struct mcam_camera *cam, int frame) clear_bit(CF_DMA_ACTIVE, &cam->flags); cam->next_buf = frame; cam->buf_seq[frame] = ++(cam->sequence); - frames++; + cam->frame_state.frames++; /* * "This should never happen" */ @@ -1786,14 +1739,19 @@ int mccic_register(struct mcam_camera *cam) /* * Get the v4l2 setup done. */ + ret = v4l2_ctrl_handler_init(&cam->ctrl_handler, 10); + if (ret) + goto out_unregister; + cam->v4l2_dev.ctrl_handler = &cam->ctrl_handler; + mutex_lock(&cam->s_mutex); cam->vdev = mcam_v4l_template; cam->vdev.debug = 0; cam->vdev.v4l2_dev = &cam->v4l2_dev; + video_set_drvdata(&cam->vdev, cam); ret = video_register_device(&cam->vdev, VFL_TYPE_GRABBER, -1); if (ret) goto out; - video_set_drvdata(&cam->vdev, cam); /* * If so requested, try to get our DMA buffers now. @@ -1805,6 +1763,7 @@ int mccic_register(struct mcam_camera *cam) } out: + v4l2_ctrl_handler_free(&cam->ctrl_handler); mutex_unlock(&cam->s_mutex); return ret; out_unregister: @@ -1829,6 +1788,7 @@ void mccic_shutdown(struct mcam_camera *cam) if (cam->buffer_mode == B_vmalloc) mcam_free_dma_bufs(cam); video_unregister_device(&cam->vdev); + v4l2_ctrl_handler_free(&cam->ctrl_handler); v4l2_device_unregister(&cam->v4l2_dev); } diff --git a/drivers/media/platform/marvell-ccic/mcam-core.h b/drivers/media/platform/marvell-ccic/mcam-core.h index bd6acba9fb3..01dec9e5fc2 100644 --- a/drivers/media/platform/marvell-ccic/mcam-core.h +++ b/drivers/media/platform/marvell-ccic/mcam-core.h @@ -8,6 +8,7 @@ #include <linux/list.h> #include <media/v4l2-common.h> +#include <media/v4l2-ctrls.h> #include <media/v4l2-dev.h> #include <media/videobuf2-core.h> @@ -15,15 +16,15 @@ * Create our own symbols for the supported buffer modes, but, for now, * base them entirely on which videobuf2 options have been selected. */ -#if defined(CONFIG_VIDEOBUF2_VMALLOC) || defined(CONFIG_VIDEOBUF2_VMALLOC_MODULE) +#if IS_ENABLED(CONFIG_VIDEOBUF2_VMALLOC) #define MCAM_MODE_VMALLOC 1 #endif -#if defined(CONFIG_VIDEOBUF2_DMA_CONTIG) || defined(CONFIG_VIDEOBUF2_DMA_CONTIG_MODULE) +#if IS_ENABLED(CONFIG_VIDEOBUF2_DMA_CONTIG) #define MCAM_MODE_DMA_CONTIG 1 #endif -#if defined(CONFIG_VIDEOBUF2_DMA_SG) || defined(CONFIG_VIDEOBUF2_DMA_SG_MODULE) +#if IS_ENABLED(CONFIG_VIDEOBUF2_DMA_SG) #define MCAM_MODE_DMA_SG 1 #endif @@ -73,6 +74,14 @@ static inline int mcam_buffer_mode_supported(enum mcam_buffer_mode mode) } } +/* + * Basic frame states + */ +struct mcam_frame_state { + unsigned int frames; + unsigned int singles; + unsigned int delivered; +}; /* * A description of one of our devices. @@ -104,10 +113,12 @@ struct mcam_camera { * should not be touched by the platform code. */ struct v4l2_device v4l2_dev; + struct v4l2_ctrl_handler ctrl_handler; enum mcam_state state; unsigned long flags; /* Buffer status, mainly (dev_lock) */ int users; /* How many open FDs */ + struct mcam_frame_state frame_state; /* Frame state counter */ /* * Subsystem structures. */ diff --git a/drivers/media/platform/omap/Kconfig b/drivers/media/platform/omap/Kconfig index 390ab094f9f..37ad446b35b 100644 --- a/drivers/media/platform/omap/Kconfig +++ b/drivers/media/platform/omap/Kconfig @@ -6,7 +6,7 @@ config VIDEO_OMAP2_VOUT depends on ARCH_OMAP2 || ARCH_OMAP3 select VIDEOBUF_GEN select VIDEOBUF_DMA_CONTIG - select OMAP2_DSS + select OMAP2_DSS if HAS_IOMEM && ARCH_OMAP2PLUS select OMAP2_VRFB if ARCH_OMAP2 || ARCH_OMAP3 select VIDEO_OMAP2_VOUT_VRFB if VIDEO_OMAP2_VOUT && OMAP2_VRFB default n diff --git a/drivers/media/platform/omap/omap_vout.c b/drivers/media/platform/omap/omap_vout.c index 35cc526e6c9..96c4a17e428 100644 --- a/drivers/media/platform/omap/omap_vout.c +++ b/drivers/media/platform/omap/omap_vout.c @@ -205,19 +205,21 @@ static u32 omap_vout_uservirt_to_phys(u32 virtp) struct vm_area_struct *vma; struct mm_struct *mm = current->mm; - vma = find_vma(mm, virtp); /* For kernel direct-mapped memory, take the easy way */ - if (virtp >= PAGE_OFFSET) { - physp = virt_to_phys((void *) virtp); - } else if (vma && (vma->vm_flags & VM_IO) && vma->vm_pgoff) { + if (virtp >= PAGE_OFFSET) + return virt_to_phys((void *) virtp); + + down_read(¤t->mm->mmap_sem); + vma = find_vma(mm, virtp); + if (vma && (vma->vm_flags & VM_IO) && vma->vm_pgoff) { /* this will catch, kernel-allocated, mmaped-to-usermode addresses */ physp = (vma->vm_pgoff << PAGE_SHIFT) + (virtp - vma->vm_start); + up_read(¤t->mm->mmap_sem); } else { /* otherwise, use get_user_pages() for general userland pages */ int res, nr_pages = 1; struct page *pages; - down_read(¤t->mm->mmap_sem); res = get_user_pages(current, current->mm, virtp, nr_pages, 1, 0, &pages, NULL); @@ -595,7 +597,7 @@ static void omap_vout_isr(void *arg, unsigned int irqstatus) return; spin_lock(&vout->vbq_lock); - do_gettimeofday(&timevalue); + v4l2_get_timestamp(&timevalue); switch (cur_display->type) { case OMAP_DISPLAY_TYPE_DSI: @@ -1230,21 +1232,6 @@ static int vidioc_s_fmt_vid_overlay(struct file *file, void *fh, return ret; } -static int vidioc_enum_fmt_vid_overlay(struct file *file, void *fh, - struct v4l2_fmtdesc *fmt) -{ - int index = fmt->index; - - if (index >= NUM_OUTPUT_FORMATS) - return -EINVAL; - - fmt->flags = omap_formats[index].flags; - strlcpy(fmt->description, omap_formats[index].description, - sizeof(fmt->description)); - fmt->pixelformat = omap_formats[index].pixelformat; - return 0; -} - static int vidioc_g_fmt_vid_overlay(struct file *file, void *fh, struct v4l2_format *f) { @@ -1858,10 +1845,9 @@ static const struct v4l2_ioctl_ops vout_ioctl_ops = { .vidioc_s_fbuf = vidioc_s_fbuf, .vidioc_g_fbuf = vidioc_g_fbuf, .vidioc_s_ctrl = vidioc_s_ctrl, - .vidioc_try_fmt_vid_overlay = vidioc_try_fmt_vid_overlay, - .vidioc_s_fmt_vid_overlay = vidioc_s_fmt_vid_overlay, - .vidioc_enum_fmt_vid_overlay = vidioc_enum_fmt_vid_overlay, - .vidioc_g_fmt_vid_overlay = vidioc_g_fmt_vid_overlay, + .vidioc_try_fmt_vid_out_overlay = vidioc_try_fmt_vid_overlay, + .vidioc_s_fmt_vid_out_overlay = vidioc_s_fmt_vid_overlay, + .vidioc_g_fmt_vid_out_overlay = vidioc_g_fmt_vid_overlay, .vidioc_cropcap = vidioc_cropcap, .vidioc_g_crop = vidioc_g_crop, .vidioc_s_crop = vidioc_s_crop, diff --git a/drivers/media/platform/omap24xxcam.c b/drivers/media/platform/omap24xxcam.c index 8b7ccea982e..debb44ceb18 100644 --- a/drivers/media/platform/omap24xxcam.c +++ b/drivers/media/platform/omap24xxcam.c @@ -402,7 +402,7 @@ static void omap24xxcam_vbq_complete(struct omap24xxcam_sgdma *sgdma, omap24xxcam_core_disable(cam); spin_unlock_irqrestore(&cam->core_enable_disable_lock, flags); - do_gettimeofday(&vb->ts); + v4l2_get_timestamp(&vb->ts); vb->field_count = atomic_add_return(2, &fh->field_count); if (csr & csr_error) { vb->state = VIDEOBUF_ERROR; diff --git a/drivers/media/platform/omap3isp/isp.c b/drivers/media/platform/omap3isp/isp.c index e4aaee91201..383a727b8aa 100644 --- a/drivers/media/platform/omap3isp/isp.c +++ b/drivers/media/platform/omap3isp/isp.c @@ -1406,28 +1406,15 @@ static const char *isp_clocks[] = { "l3_ick", }; -static void isp_put_clocks(struct isp_device *isp) -{ - unsigned int i; - - for (i = 0; i < ARRAY_SIZE(isp_clocks); ++i) { - if (isp->clock[i]) { - clk_put(isp->clock[i]); - isp->clock[i] = NULL; - } - } -} - static int isp_get_clocks(struct isp_device *isp) { struct clk *clk; unsigned int i; for (i = 0; i < ARRAY_SIZE(isp_clocks); ++i) { - clk = clk_get(isp->dev, isp_clocks[i]); + clk = devm_clk_get(isp->dev, isp_clocks[i]); if (IS_ERR(clk)) { dev_err(isp->dev, "clk_get %s failed\n", isp_clocks[i]); - isp_put_clocks(isp); return PTR_ERR(clk); } @@ -1993,7 +1980,6 @@ error_csiphy: static int isp_remove(struct platform_device *pdev) { struct isp_device *isp = platform_get_drvdata(pdev); - int i; isp_unregister_entities(isp); isp_cleanup_modules(isp); @@ -2004,26 +1990,6 @@ static int isp_remove(struct platform_device *pdev) isp->domain = NULL; omap3isp_put(isp); - free_irq(isp->irq_num, isp); - isp_put_clocks(isp); - - for (i = 0; i < OMAP3_ISP_IOMEM_LAST; i++) { - if (isp->mmio_base[i]) { - iounmap(isp->mmio_base[i]); - isp->mmio_base[i] = NULL; - } - - if (isp->mmio_base_phys[i]) { - release_mem_region(isp->mmio_base_phys[i], - isp->mmio_size[i]); - isp->mmio_base_phys[i] = 0; - } - } - - regulator_put(isp->isp_csiphy1.vdd); - regulator_put(isp->isp_csiphy2.vdd); - kfree(isp); - return 0; } @@ -2041,7 +2007,8 @@ static int isp_map_mem_resource(struct platform_device *pdev, return -ENODEV; } - if (!request_mem_region(mem->start, resource_size(mem), pdev->name)) { + if (!devm_request_mem_region(isp->dev, mem->start, resource_size(mem), + pdev->name)) { dev_err(isp->dev, "cannot reserve camera register I/O region\n"); return -ENODEV; @@ -2050,8 +2017,9 @@ static int isp_map_mem_resource(struct platform_device *pdev, isp->mmio_size[res] = resource_size(mem); /* map the region */ - isp->mmio_base[res] = ioremap_nocache(isp->mmio_base_phys[res], - isp->mmio_size[res]); + isp->mmio_base[res] = devm_ioremap_nocache(isp->dev, + isp->mmio_base_phys[res], + isp->mmio_size[res]); if (!isp->mmio_base[res]) { dev_err(isp->dev, "cannot map camera register I/O region\n"); return -ENODEV; @@ -2081,7 +2049,7 @@ static int isp_probe(struct platform_device *pdev) if (pdata == NULL) return -EINVAL; - isp = kzalloc(sizeof(*isp), GFP_KERNEL); + isp = devm_kzalloc(&pdev->dev, sizeof(*isp), GFP_KERNEL); if (!isp) { dev_err(&pdev->dev, "could not allocate memory\n"); return -ENOMEM; @@ -2104,8 +2072,8 @@ static int isp_probe(struct platform_device *pdev) platform_set_drvdata(pdev, isp); /* Regulators */ - isp->isp_csiphy1.vdd = regulator_get(&pdev->dev, "VDD_CSIPHY1"); - isp->isp_csiphy2.vdd = regulator_get(&pdev->dev, "VDD_CSIPHY2"); + isp->isp_csiphy1.vdd = devm_regulator_get(&pdev->dev, "VDD_CSIPHY1"); + isp->isp_csiphy2.vdd = devm_regulator_get(&pdev->dev, "VDD_CSIPHY2"); /* Clocks * @@ -2180,7 +2148,8 @@ static int isp_probe(struct platform_device *pdev) goto detach_dev; } - if (request_irq(isp->irq_num, isp_isr, IRQF_SHARED, "OMAP3 ISP", isp)) { + if (devm_request_irq(isp->dev, isp->irq_num, isp_isr, IRQF_SHARED, + "OMAP3 ISP", isp)) { dev_err(isp->dev, "Unable to request IRQ\n"); ret = -EINVAL; goto detach_dev; @@ -2189,7 +2158,7 @@ static int isp_probe(struct platform_device *pdev) /* Entities */ ret = isp_initialize_modules(isp); if (ret < 0) - goto error_irq; + goto detach_dev; ret = isp_register_entities(isp); if (ret < 0) @@ -2202,8 +2171,6 @@ static int isp_probe(struct platform_device *pdev) error_modules: isp_cleanup_modules(isp); -error_irq: - free_irq(isp->irq_num, isp); detach_dev: iommu_detach_device(isp->domain, &pdev->dev); free_domain: @@ -2211,26 +2178,9 @@ free_domain: error_isp: omap3isp_put(isp); error: - isp_put_clocks(isp); - - for (i = 0; i < OMAP3_ISP_IOMEM_LAST; i++) { - if (isp->mmio_base[i]) { - iounmap(isp->mmio_base[i]); - isp->mmio_base[i] = NULL; - } - - if (isp->mmio_base_phys[i]) { - release_mem_region(isp->mmio_base_phys[i], - isp->mmio_size[i]); - isp->mmio_base_phys[i] = 0; - } - } - regulator_put(isp->isp_csiphy2.vdd); - regulator_put(isp->isp_csiphy1.vdd); platform_set_drvdata(pdev, NULL); mutex_destroy(&isp->isp_mutex); - kfree(isp); return ret; } diff --git a/drivers/media/platform/omap3isp/ispccp2.c b/drivers/media/platform/omap3isp/ispccp2.c index 85f0de85f37..c5d84c977e2 100644 --- a/drivers/media/platform/omap3isp/ispccp2.c +++ b/drivers/media/platform/omap3isp/ispccp2.c @@ -1136,7 +1136,7 @@ int omap3isp_ccp2_init(struct isp_device *isp) * TODO: Don't hardcode the usage of PHY1 (shared with CSI2c). */ if (isp->revision == ISP_REVISION_2_0) { - ccp2->vdds_csib = regulator_get(isp->dev, "vdds_csib"); + ccp2->vdds_csib = devm_regulator_get(isp->dev, "vdds_csib"); if (IS_ERR(ccp2->vdds_csib)) { dev_dbg(isp->dev, "Could not get regulator vdds_csib\n"); @@ -1147,10 +1147,8 @@ int omap3isp_ccp2_init(struct isp_device *isp) } ret = ccp2_init_entities(ccp2); - if (ret < 0) { - regulator_put(ccp2->vdds_csib); + if (ret < 0) return ret; - } ccp2_reset(ccp2); return 0; @@ -1166,6 +1164,4 @@ void omap3isp_ccp2_cleanup(struct isp_device *isp) omap3isp_video_cleanup(&ccp2->video_in); media_entity_cleanup(&ccp2->subdev.entity); - - regulator_put(ccp2->vdds_csib); } diff --git a/drivers/media/platform/omap3isp/ispcsiphy.c b/drivers/media/platform/omap3isp/ispcsiphy.c index 3d56b33f85e..c09de32f986 100644 --- a/drivers/media/platform/omap3isp/ispcsiphy.c +++ b/drivers/media/platform/omap3isp/ispcsiphy.c @@ -32,7 +32,8 @@ #include "ispreg.h" #include "ispcsiphy.h" -static void csiphy_routing_cfg_3630(struct isp_csiphy *phy, u32 iface, +static void csiphy_routing_cfg_3630(struct isp_csiphy *phy, + enum isp_interface_type iface, bool ccp2_strobe) { u32 reg = isp_reg_readl( @@ -40,6 +41,8 @@ static void csiphy_routing_cfg_3630(struct isp_csiphy *phy, u32 iface, u32 shift, mode; switch (iface) { + default: + /* Should not happen in practice, but let's keep the compiler happy. */ case ISP_INTERFACE_CCP2B_PHY1: reg &= ~OMAP3630_CONTROL_CAMERA_PHY_CTRL_CSI1_RX_SEL_PHY2; shift = OMAP3630_CONTROL_CAMERA_PHY_CTRL_CAMMODE_PHY1_SHIFT; @@ -59,9 +62,8 @@ static void csiphy_routing_cfg_3630(struct isp_csiphy *phy, u32 iface, } /* Select data/clock or data/strobe mode for CCP2 */ - switch (iface) { - case ISP_INTERFACE_CCP2B_PHY1: - case ISP_INTERFACE_CCP2B_PHY2: + if (iface == ISP_INTERFACE_CCP2B_PHY1 || + iface == ISP_INTERFACE_CCP2B_PHY2) { if (ccp2_strobe) mode = OMAP3630_CONTROL_CAMERA_PHY_CTRL_CAMMODE_CCP2_DATA_STROBE; else @@ -110,7 +112,8 @@ static void csiphy_routing_cfg_3430(struct isp_csiphy *phy, u32 iface, bool on, * and 3630, so they will not hold their contents in off-mode. This isn't an * issue since the MPU power domain is forced on whilst the ISP is in use. */ -static void csiphy_routing_cfg(struct isp_csiphy *phy, u32 iface, bool on, +static void csiphy_routing_cfg(struct isp_csiphy *phy, + enum isp_interface_type iface, bool on, bool ccp2_strobe) { if (phy->isp->mmio_base[OMAP3_ISP_IOMEM_3630_CONTROL_CAMERA_PHY_CTRL] diff --git a/drivers/media/platform/omap3isp/isph3a_aewb.c b/drivers/media/platform/omap3isp/isph3a_aewb.c index 036e9961d02..75fd82b152b 100644 --- a/drivers/media/platform/omap3isp/isph3a_aewb.c +++ b/drivers/media/platform/omap3isp/isph3a_aewb.c @@ -300,13 +300,11 @@ int omap3isp_h3a_aewb_init(struct isp_device *isp) struct ispstat *aewb = &isp->isp_aewb; struct omap3isp_h3a_aewb_config *aewb_cfg; struct omap3isp_h3a_aewb_config *aewb_recover_cfg; - int ret; - aewb_cfg = kzalloc(sizeof(*aewb_cfg), GFP_KERNEL); + aewb_cfg = devm_kzalloc(isp->dev, sizeof(*aewb_cfg), GFP_KERNEL); if (!aewb_cfg) return -ENOMEM; - memset(aewb, 0, sizeof(*aewb)); aewb->ops = &h3a_aewb_ops; aewb->priv = aewb_cfg; aewb->dma_ch = -1; @@ -314,12 +312,12 @@ int omap3isp_h3a_aewb_init(struct isp_device *isp) aewb->isp = isp; /* Set recover state configuration */ - aewb_recover_cfg = kzalloc(sizeof(*aewb_recover_cfg), GFP_KERNEL); + aewb_recover_cfg = devm_kzalloc(isp->dev, sizeof(*aewb_recover_cfg), + GFP_KERNEL); if (!aewb_recover_cfg) { dev_err(aewb->isp->dev, "AEWB: cannot allocate memory for " "recover configuration.\n"); - ret = -ENOMEM; - goto err_recover_alloc; + return -ENOMEM; } aewb_recover_cfg->saturation_limit = OMAP3ISP_AEWB_MAX_SATURATION_LIM; @@ -336,25 +334,13 @@ int omap3isp_h3a_aewb_init(struct isp_device *isp) if (h3a_aewb_validate_params(aewb, aewb_recover_cfg)) { dev_err(aewb->isp->dev, "AEWB: recover configuration is " "invalid.\n"); - ret = -EINVAL; - goto err_conf; + return -EINVAL; } aewb_recover_cfg->buf_size = h3a_aewb_get_buf_size(aewb_recover_cfg); aewb->recover_priv = aewb_recover_cfg; - ret = omap3isp_stat_init(aewb, "AEWB", &h3a_aewb_subdev_ops); - if (ret) - goto err_conf; - - return 0; - -err_conf: - kfree(aewb_recover_cfg); -err_recover_alloc: - kfree(aewb_cfg); - - return ret; + return omap3isp_stat_init(aewb, "AEWB", &h3a_aewb_subdev_ops); } /* @@ -362,7 +348,5 @@ err_recover_alloc: */ void omap3isp_h3a_aewb_cleanup(struct isp_device *isp) { - kfree(isp->isp_aewb.priv); - kfree(isp->isp_aewb.recover_priv); omap3isp_stat_cleanup(&isp->isp_aewb); } diff --git a/drivers/media/platform/omap3isp/isph3a_af.c b/drivers/media/platform/omap3isp/isph3a_af.c index 42ccce318d5..a0bf5af3243 100644 --- a/drivers/media/platform/omap3isp/isph3a_af.c +++ b/drivers/media/platform/omap3isp/isph3a_af.c @@ -363,13 +363,11 @@ int omap3isp_h3a_af_init(struct isp_device *isp) struct ispstat *af = &isp->isp_af; struct omap3isp_h3a_af_config *af_cfg; struct omap3isp_h3a_af_config *af_recover_cfg; - int ret; - af_cfg = kzalloc(sizeof(*af_cfg), GFP_KERNEL); + af_cfg = devm_kzalloc(isp->dev, sizeof(*af_cfg), GFP_KERNEL); if (af_cfg == NULL) return -ENOMEM; - memset(af, 0, sizeof(*af)); af->ops = &h3a_af_ops; af->priv = af_cfg; af->dma_ch = -1; @@ -377,12 +375,12 @@ int omap3isp_h3a_af_init(struct isp_device *isp) af->isp = isp; /* Set recover state configuration */ - af_recover_cfg = kzalloc(sizeof(*af_recover_cfg), GFP_KERNEL); + af_recover_cfg = devm_kzalloc(isp->dev, sizeof(*af_recover_cfg), + GFP_KERNEL); if (!af_recover_cfg) { dev_err(af->isp->dev, "AF: cannot allocate memory for recover " "configuration.\n"); - ret = -ENOMEM; - goto err_recover_alloc; + return -ENOMEM; } af_recover_cfg->paxel.h_start = OMAP3ISP_AF_PAXEL_HZSTART_MIN; @@ -394,30 +392,16 @@ int omap3isp_h3a_af_init(struct isp_device *isp) if (h3a_af_validate_params(af, af_recover_cfg)) { dev_err(af->isp->dev, "AF: recover configuration is " "invalid.\n"); - ret = -EINVAL; - goto err_conf; + return -EINVAL; } af_recover_cfg->buf_size = h3a_af_get_buf_size(af_recover_cfg); af->recover_priv = af_recover_cfg; - ret = omap3isp_stat_init(af, "AF", &h3a_af_subdev_ops); - if (ret) - goto err_conf; - - return 0; - -err_conf: - kfree(af_recover_cfg); -err_recover_alloc: - kfree(af_cfg); - - return ret; + return omap3isp_stat_init(af, "AF", &h3a_af_subdev_ops); } void omap3isp_h3a_af_cleanup(struct isp_device *isp) { - kfree(isp->isp_af.priv); - kfree(isp->isp_af.recover_priv); omap3isp_stat_cleanup(&isp->isp_af); } diff --git a/drivers/media/platform/omap3isp/isphist.c b/drivers/media/platform/omap3isp/isphist.c index 2d759c56f37..e070c24048e 100644 --- a/drivers/media/platform/omap3isp/isphist.c +++ b/drivers/media/platform/omap3isp/isphist.c @@ -114,14 +114,14 @@ static void hist_setup_regs(struct ispstat *hist, void *priv) /* Regions size and position */ for (c = 0; c < OMAP3ISP_HIST_MAX_REGIONS; c++) { if (c < conf->num_regions) { - reg_hor[c] = conf->region[c].h_start << - ISPHIST_REG_START_SHIFT; - reg_hor[c] = conf->region[c].h_end << - ISPHIST_REG_END_SHIFT; - reg_ver[c] = conf->region[c].v_start << - ISPHIST_REG_START_SHIFT; - reg_ver[c] = conf->region[c].v_end << - ISPHIST_REG_END_SHIFT; + reg_hor[c] = (conf->region[c].h_start << + ISPHIST_REG_START_SHIFT) + | (conf->region[c].h_end << + ISPHIST_REG_END_SHIFT); + reg_ver[c] = (conf->region[c].v_start << + ISPHIST_REG_START_SHIFT) + | (conf->region[c].v_end << + ISPHIST_REG_END_SHIFT); } else { reg_hor[c] = 0; reg_ver[c] = 0; @@ -477,11 +477,10 @@ int omap3isp_hist_init(struct isp_device *isp) struct omap3isp_hist_config *hist_cfg; int ret = -1; - hist_cfg = kzalloc(sizeof(*hist_cfg), GFP_KERNEL); + hist_cfg = devm_kzalloc(isp->dev, sizeof(*hist_cfg), GFP_KERNEL); if (hist_cfg == NULL) return -ENOMEM; - memset(hist, 0, sizeof(*hist)); hist->isp = isp; if (HIST_CONFIG_DMA) @@ -504,7 +503,6 @@ int omap3isp_hist_init(struct isp_device *isp) ret = omap3isp_stat_init(hist, "histogram", &hist_subdev_ops); if (ret) { - kfree(hist_cfg); if (HIST_USING_DMA(hist)) omap_free_dma(hist->dma_ch); } @@ -519,6 +517,5 @@ void omap3isp_hist_cleanup(struct isp_device *isp) { if (HIST_USING_DMA(&isp->isp_hist)) omap_free_dma(isp->isp_hist.dma_ch); - kfree(isp->isp_hist.priv); omap3isp_stat_cleanup(&isp->isp_hist); } diff --git a/drivers/media/platform/omap3isp/isppreview.c b/drivers/media/platform/omap3isp/isppreview.c index 691b92a3c3e..cd8831aebde 100644 --- a/drivers/media/platform/omap3isp/isppreview.c +++ b/drivers/media/platform/omap3isp/isppreview.c @@ -82,8 +82,9 @@ static struct omap3isp_prev_csc flr_prev_csc = { * The preview engine crops several rows and columns internally depending on * which filters are enabled. To avoid format changes when the filters are * enabled or disabled (which would prevent them from being turned on or off - * during streaming), the driver assumes all the filters are enabled when - * computing sink crop and source format limits. + * during streaming), the driver assumes all filters that can be configured + * during streaming are enabled when computing sink crop and source format + * limits. * * If a filter is disabled, additional cropping is automatically added at the * preview engine input by the driver to avoid overflow at line and frame end. @@ -92,25 +93,23 @@ static struct omap3isp_prev_csc flr_prev_csc = { * Median filter 4 pixels * Noise filter, * Faulty pixels correction 4 pixels, 4 lines - * CFA filter 4 pixels, 4 lines in Bayer mode - * 2 lines in other modes * Color suppression 2 pixels * or luma enhancement * ------------------------------------------------------------- - * Maximum total 14 pixels, 8 lines + * Maximum total 10 pixels, 4 lines * * The color suppression and luma enhancement filters are applied after bayer to * YUV conversion. They thus can crop one pixel on the left and one pixel on the * right side of the image without changing the color pattern. When both those * filters are disabled, the driver must crop the two pixels on the same side of * the image to avoid changing the bayer pattern. The left margin is thus set to - * 8 pixels and the right margin to 6 pixels. + * 6 pixels and the right margin to 4 pixels. */ -#define PREV_MARGIN_LEFT 8 -#define PREV_MARGIN_RIGHT 6 -#define PREV_MARGIN_TOP 4 -#define PREV_MARGIN_BOTTOM 4 +#define PREV_MARGIN_LEFT 6 +#define PREV_MARGIN_RIGHT 4 +#define PREV_MARGIN_TOP 2 +#define PREV_MARGIN_BOTTOM 2 #define PREV_MIN_IN_WIDTH 64 #define PREV_MIN_IN_HEIGHT 8 @@ -1080,7 +1079,6 @@ static void preview_config_input_format(struct isp_prev_device *prev, */ static void preview_config_input_size(struct isp_prev_device *prev, u32 active) { - const struct v4l2_mbus_framefmt *format = &prev->formats[PREV_PAD_SINK]; struct isp_device *isp = to_isp_device(prev); unsigned int sph = prev->crop.left; unsigned int eph = prev->crop.left + prev->crop.width - 1; @@ -1088,14 +1086,6 @@ static void preview_config_input_size(struct isp_prev_device *prev, u32 active) unsigned int elv = prev->crop.top + prev->crop.height - 1; u32 features; - if (format->code != V4L2_MBUS_FMT_Y8_1X8 && - format->code != V4L2_MBUS_FMT_Y10_1X10) { - sph -= 2; - eph += 2; - slv -= 2; - elv += 2; - } - features = (prev->params.params[0].features & active) | (prev->params.params[1].features & ~active); @@ -1849,6 +1839,18 @@ static void preview_try_crop(struct isp_prev_device *prev, right -= 2; } + /* The CFA filter crops 4 lines and 4 columns in Bayer mode, and 2 lines + * and no columns in other modes. Increase the margins based on the sink + * format. + */ + if (sink->code != V4L2_MBUS_FMT_Y8_1X8 && + sink->code != V4L2_MBUS_FMT_Y10_1X10) { + left += 2; + right -= 2; + top += 2; + bottom -= 2; + } + /* Restrict left/top to even values to keep the Bayer pattern. */ crop->left &= ~1; crop->top &= ~1; diff --git a/drivers/media/platform/omap3isp/ispqueue.c b/drivers/media/platform/omap3isp/ispqueue.c index 15bf3eab222..e15f0134205 100644 --- a/drivers/media/platform/omap3isp/ispqueue.c +++ b/drivers/media/platform/omap3isp/ispqueue.c @@ -366,7 +366,7 @@ static int isp_video_buffer_prepare_pfnmap(struct isp_video_buffer *buf) unsigned long this_pfn; unsigned long start; unsigned long end; - dma_addr_t pa; + dma_addr_t pa = 0; int ret = -EFAULT; start = buf->vbuf.m.userptr; @@ -419,7 +419,7 @@ done: static int isp_video_buffer_prepare_vm_flags(struct isp_video_buffer *buf) { struct vm_area_struct *vma; - pgprot_t vm_page_prot; + pgprot_t uninitialized_var(vm_page_prot); unsigned long start; unsigned long end; int ret = -EFAULT; @@ -674,6 +674,7 @@ static int isp_video_queue_alloc(struct isp_video_queue *queue, buf->vbuf.index = i; buf->vbuf.length = size; buf->vbuf.type = queue->type; + buf->vbuf.flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; buf->vbuf.field = V4L2_FIELD_NONE; buf->vbuf.memory = memory; diff --git a/drivers/media/platform/s3c-camif/camif-core.c b/drivers/media/platform/s3c-camif/camif-core.c index 09a8c9cac5c..0d0fab1a7b5 100644 --- a/drivers/media/platform/s3c-camif/camif-core.c +++ b/drivers/media/platform/s3c-camif/camif-core.c @@ -27,6 +27,7 @@ #include <linux/pm_runtime.h> #include <linux/slab.h> #include <linux/types.h> +#include <linux/version.h> #include <media/media-device.h> #include <media/v4l2-ctrls.h> diff --git a/drivers/media/platform/s5p-fimc/fimc-capture.c b/drivers/media/platform/s5p-fimc/fimc-capture.c index fdb6740248a..f553cc2a8ee 100644 --- a/drivers/media/platform/s5p-fimc/fimc-capture.c +++ b/drivers/media/platform/s5p-fimc/fimc-capture.c @@ -486,6 +486,7 @@ static struct vb2_ops fimc_capture_qops = { int fimc_capture_ctrls_create(struct fimc_dev *fimc) { struct fimc_vid_cap *vid_cap = &fimc->vid_cap; + struct v4l2_subdev *sensor = fimc->pipeline.subdevs[IDX_SENSOR]; int ret; if (WARN_ON(vid_cap->ctx == NULL)) @@ -494,11 +495,13 @@ int fimc_capture_ctrls_create(struct fimc_dev *fimc) return 0; ret = fimc_ctrls_create(vid_cap->ctx); - if (ret || vid_cap->user_subdev_api || !vid_cap->ctx->ctrls.ready) + + if (ret || vid_cap->user_subdev_api || !sensor || + !vid_cap->ctx->ctrls.ready) return ret; return v4l2_ctrl_add_handler(&vid_cap->ctx->ctrls.handler, - fimc->pipeline.subdevs[IDX_SENSOR]->ctrl_handler, NULL); + sensor->ctrl_handler, NULL); } static int fimc_capture_set_default_format(struct fimc_dev *fimc); @@ -510,8 +513,8 @@ static int fimc_capture_open(struct file *file) dbg("pid: %d, state: 0x%lx", task_pid_nr(current), fimc->state); - if (mutex_lock_interruptible(&fimc->lock)) - return -ERESTARTSYS; + fimc_md_graph_lock(fimc); + mutex_lock(&fimc->lock); if (fimc_m2m_active(fimc)) goto unlock; @@ -546,6 +549,7 @@ static int fimc_capture_open(struct file *file) } unlock: mutex_unlock(&fimc->lock); + fimc_md_graph_unlock(fimc); return ret; } @@ -626,8 +630,8 @@ static struct fimc_fmt *fimc_capture_try_format(struct fimc_ctx *ctx, { bool rotation = ctx->rotation == 90 || ctx->rotation == 270; struct fimc_dev *fimc = ctx->fimc_dev; - struct fimc_variant *var = fimc->variant; - struct fimc_pix_limit *pl = var->pix_limit; + const struct fimc_variant *var = fimc->variant; + const struct fimc_pix_limit *pl = var->pix_limit; struct fimc_frame *dst = &ctx->d_frame; u32 depth, min_w, max_w, min_h, align_h = 3; u32 mask = FMT_FLAGS_CAM; @@ -699,8 +703,8 @@ static void fimc_capture_try_selection(struct fimc_ctx *ctx, { bool rotate = ctx->rotation == 90 || ctx->rotation == 270; struct fimc_dev *fimc = ctx->fimc_dev; - struct fimc_variant *var = fimc->variant; - struct fimc_pix_limit *pl = var->pix_limit; + const struct fimc_variant *var = fimc->variant; + const struct fimc_pix_limit *pl = var->pix_limit; struct fimc_frame *sink = &ctx->s_frame; u32 max_w, max_h, min_w = 0, min_h = 0, min_sz; u32 align_sz = 0, align_h = 4; @@ -793,6 +797,21 @@ static int fimc_cap_enum_fmt_mplane(struct file *file, void *priv, return 0; } +static struct media_entity *fimc_pipeline_get_head(struct media_entity *me) +{ + struct media_pad *pad = &me->pads[0]; + + while (!(pad->flags & MEDIA_PAD_FL_SOURCE)) { + pad = media_entity_remote_source(pad); + if (!pad) + break; + me = pad->entity; + pad = &me->pads[0]; + } + + return me; +} + /** * fimc_pipeline_try_format - negotiate and/or set formats at pipeline * elements @@ -808,19 +827,23 @@ static int fimc_pipeline_try_format(struct fimc_ctx *ctx, { struct fimc_dev *fimc = ctx->fimc_dev; struct v4l2_subdev *sd = fimc->pipeline.subdevs[IDX_SENSOR]; - struct v4l2_subdev *csis = fimc->pipeline.subdevs[IDX_CSIS]; struct v4l2_subdev_format sfmt; struct v4l2_mbus_framefmt *mf = &sfmt.format; - struct fimc_fmt *ffmt = NULL; - int ret, i = 0; + struct media_entity *me; + struct fimc_fmt *ffmt; + struct media_pad *pad; + int ret, i = 1; + u32 fcc; if (WARN_ON(!sd || !tfmt)) return -EINVAL; memset(&sfmt, 0, sizeof(sfmt)); sfmt.format = *tfmt; - sfmt.which = set ? V4L2_SUBDEV_FORMAT_ACTIVE : V4L2_SUBDEV_FORMAT_TRY; + + me = fimc_pipeline_get_head(&sd->entity); + while (1) { ffmt = fimc_find_format(NULL, mf->code != 0 ? &mf->code : NULL, FMT_FLAGS_CAM, i++); @@ -833,40 +856,52 @@ static int fimc_pipeline_try_format(struct fimc_ctx *ctx, } mf->code = tfmt->code = ffmt->mbus_code; - ret = v4l2_subdev_call(sd, pad, set_fmt, NULL, &sfmt); - if (ret) - return ret; - if (mf->code != tfmt->code) { - mf->code = 0; - continue; + /* set format on all pipeline subdevs */ + while (me != &fimc->vid_cap.subdev.entity) { + sd = media_entity_to_v4l2_subdev(me); + + sfmt.pad = 0; + ret = v4l2_subdev_call(sd, pad, set_fmt, NULL, &sfmt); + if (ret) + return ret; + + if (me->pads[0].flags & MEDIA_PAD_FL_SINK) { + sfmt.pad = me->num_pads - 1; + mf->code = tfmt->code; + ret = v4l2_subdev_call(sd, pad, set_fmt, NULL, + &sfmt); + if (ret) + return ret; + } + + pad = media_entity_remote_source(&me->pads[sfmt.pad]); + if (!pad) + return -EINVAL; + me = pad->entity; } - if (mf->width != tfmt->width || mf->height != tfmt->height) { - u32 fcc = ffmt->fourcc; - tfmt->width = mf->width; - tfmt->height = mf->height; - ffmt = fimc_capture_try_format(ctx, - &tfmt->width, &tfmt->height, - NULL, &fcc, FIMC_SD_PAD_SOURCE); - if (ffmt && ffmt->mbus_code) - mf->code = ffmt->mbus_code; - if (mf->width != tfmt->width || - mf->height != tfmt->height) - continue; - tfmt->code = mf->code; - } - if (csis) - ret = v4l2_subdev_call(csis, pad, set_fmt, NULL, &sfmt); - if (mf->code == tfmt->code && - mf->width == tfmt->width && mf->height == tfmt->height) - break; + if (mf->code != tfmt->code) + continue; + + fcc = ffmt->fourcc; + tfmt->width = mf->width; + tfmt->height = mf->height; + ffmt = fimc_capture_try_format(ctx, &tfmt->width, &tfmt->height, + NULL, &fcc, FIMC_SD_PAD_SINK); + ffmt = fimc_capture_try_format(ctx, &tfmt->width, &tfmt->height, + NULL, &fcc, FIMC_SD_PAD_SOURCE); + if (ffmt && ffmt->mbus_code) + mf->code = ffmt->mbus_code; + if (mf->width != tfmt->width || mf->height != tfmt->height) + continue; + tfmt->code = mf->code; + break; } if (fmt_id && ffmt) *fmt_id = ffmt; *tfmt = *mf; - dbg("code: 0x%x, %dx%d, %p", mf->code, mf->width, mf->height, ffmt); return 0; } @@ -884,14 +919,16 @@ static int fimc_get_sensor_frame_desc(struct v4l2_subdev *sensor, { struct v4l2_mbus_frame_desc fd; int i, ret; + int pad; for (i = 0; i < num_planes; i++) fd.entry[i].length = plane_fmt[i].sizeimage; + pad = sensor->entity.num_pads - 1; if (try) - ret = v4l2_subdev_call(sensor, pad, set_frame_desc, 0, &fd); + ret = v4l2_subdev_call(sensor, pad, set_frame_desc, pad, &fd); else - ret = v4l2_subdev_call(sensor, pad, get_frame_desc, 0, &fd); + ret = v4l2_subdev_call(sensor, pad, get_frame_desc, pad, &fd); if (ret < 0) return ret; @@ -916,9 +953,9 @@ static int fimc_cap_g_fmt_mplane(struct file *file, void *fh, struct v4l2_format *f) { struct fimc_dev *fimc = video_drvdata(file); - struct fimc_ctx *ctx = fimc->vid_cap.ctx; - return fimc_fill_format(&ctx->d_frame, f); + __fimc_get_format(&fimc->vid_cap.ctx->d_frame, f); + return 0; } static int fimc_cap_try_fmt_mplane(struct file *file, void *fh, @@ -929,6 +966,10 @@ static int fimc_cap_try_fmt_mplane(struct file *file, void *fh, struct fimc_ctx *ctx = fimc->vid_cap.ctx; struct v4l2_mbus_framefmt mf; struct fimc_fmt *ffmt = NULL; + int ret = 0; + + fimc_md_graph_lock(fimc); + mutex_lock(&fimc->lock); if (fimc_jpeg_fourcc(pix->pixelformat)) { fimc_capture_try_format(ctx, &pix->width, &pix->height, @@ -940,16 +981,16 @@ static int fimc_cap_try_fmt_mplane(struct file *file, void *fh, ffmt = fimc_capture_try_format(ctx, &pix->width, &pix->height, NULL, &pix->pixelformat, FIMC_SD_PAD_SOURCE); - if (!ffmt) - return -EINVAL; + if (!ffmt) { + ret = -EINVAL; + goto unlock; + } if (!fimc->vid_cap.user_subdev_api) { mf.width = pix->width; mf.height = pix->height; mf.code = ffmt->mbus_code; - fimc_md_graph_lock(fimc); fimc_pipeline_try_format(ctx, &mf, &ffmt, false); - fimc_md_graph_unlock(fimc); pix->width = mf.width; pix->height = mf.height; if (ffmt) @@ -961,8 +1002,11 @@ static int fimc_cap_try_fmt_mplane(struct file *file, void *fh, if (ffmt->flags & FMT_FLAGS_COMPRESSED) fimc_get_sensor_frame_desc(fimc->pipeline.subdevs[IDX_SENSOR], pix->plane_fmt, ffmt->memplanes, true); +unlock: + mutex_unlock(&fimc->lock); + fimc_md_graph_unlock(fimc); - return 0; + return ret; } static void fimc_capture_mark_jpeg_xfer(struct fimc_ctx *ctx, @@ -979,7 +1023,8 @@ static void fimc_capture_mark_jpeg_xfer(struct fimc_ctx *ctx, clear_bit(ST_CAPT_JPEG, &ctx->fimc_dev->state); } -static int fimc_capture_set_format(struct fimc_dev *fimc, struct v4l2_format *f) +static int __fimc_capture_set_format(struct fimc_dev *fimc, + struct v4l2_format *f) { struct fimc_ctx *ctx = fimc->vid_cap.ctx; struct v4l2_pix_format_mplane *pix = &f->fmt.pix_mp; @@ -1014,12 +1059,10 @@ static int fimc_capture_set_format(struct fimc_dev *fimc, struct v4l2_format *f) mf->code = ff->fmt->mbus_code; mf->width = pix->width; mf->height = pix->height; - - fimc_md_graph_lock(fimc); ret = fimc_pipeline_try_format(ctx, mf, &s_fmt, true); - fimc_md_graph_unlock(fimc); if (ret) return ret; + pix->width = mf->width; pix->height = mf->height; } @@ -1034,8 +1077,10 @@ static int fimc_capture_set_format(struct fimc_dev *fimc, struct v4l2_format *f) return ret; } - for (i = 0; i < ff->fmt->memplanes; i++) + for (i = 0; i < ff->fmt->memplanes; i++) { + ff->bytesperline[i] = pix->plane_fmt[i].bytesperline; ff->payload[i] = pix->plane_fmt[i].sizeimage; + } set_frame_bounds(ff, pix->width, pix->height); /* Reset the composition rectangle if not yet configured */ @@ -1058,8 +1103,23 @@ static int fimc_cap_s_fmt_mplane(struct file *file, void *priv, struct v4l2_format *f) { struct fimc_dev *fimc = video_drvdata(file); + int ret; + + fimc_md_graph_lock(fimc); + mutex_lock(&fimc->lock); + /* + * The graph is walked within __fimc_capture_set_format() to set + * the format at subdevs thus the graph mutex needs to be held at + * this point and acquired before the video mutex, to avoid AB-BA + * deadlock when fimc_md_link_notify() is called by other thread. + * Ideally the graph walking and setting format at the whole pipeline + * should be removed from this driver and handled in userspace only. + */ + ret = __fimc_capture_set_format(fimc, f); - return fimc_capture_set_format(fimc, f); + mutex_unlock(&fimc->lock); + fimc_md_graph_unlock(fimc); + return ret; } static int fimc_cap_enum_input(struct file *file, void *priv, @@ -1528,6 +1588,10 @@ static int fimc_subdev_set_fmt(struct v4l2_subdev *sd, *mf = fmt->format; return 0; } + /* There must be a bug in the driver if this happens */ + if (WARN_ON(ffmt == NULL)) + return -EINVAL; + /* Update RGB Alpha control state and value range */ fimc_alpha_ctrl_update(ctx); @@ -1624,16 +1688,6 @@ static int fimc_subdev_set_selection(struct v4l2_subdev *sd, fimc_capture_try_selection(ctx, r, V4L2_SEL_TGT_CROP); switch (sel->target) { - case V4L2_SEL_TGT_COMPOSE_BOUNDS: - f = &ctx->d_frame; - case V4L2_SEL_TGT_CROP_BOUNDS: - r->width = f->o_width; - r->height = f->o_height; - r->left = 0; - r->top = 0; - mutex_unlock(&fimc->lock); - return 0; - case V4L2_SEL_TGT_CROP: try_sel = v4l2_subdev_get_try_crop(fh, sel->pad); break; @@ -1652,9 +1706,9 @@ static int fimc_subdev_set_selection(struct v4l2_subdev *sd, spin_lock_irqsave(&fimc->slock, flags); set_frame_crop(f, r->left, r->top, r->width, r->height); set_bit(ST_CAPT_APPLY_CFG, &fimc->state); - spin_unlock_irqrestore(&fimc->slock, flags); if (sel->target == V4L2_SEL_TGT_COMPOSE) ctx->state |= FIMC_COMPOSE; + spin_unlock_irqrestore(&fimc->slock, flags); } dbg("target %#x: (%d,%d)/%dx%d", sel->target, r->left, r->top, @@ -1690,7 +1744,7 @@ static int fimc_capture_set_default_format(struct fimc_dev *fimc) }, }; - return fimc_capture_set_format(fimc, &fmt); + return __fimc_capture_set_format(fimc, &fmt); } /* fimc->lock must be already initialized */ @@ -1752,6 +1806,12 @@ static int fimc_register_capture_device(struct fimc_dev *fimc, ret = media_entity_init(&vfd->entity, 1, &vid_cap->vd_pad, 0); if (ret) goto err_ent; + /* + * For proper order of acquiring/releasing the video + * and the graph mutex. + */ + v4l2_disable_ioctl_locking(vfd, VIDIOC_TRY_FMT); + v4l2_disable_ioctl_locking(vfd, VIDIOC_S_FMT); ret = video_register_device(vfd, VFL_TYPE_GRABBER, -1); if (ret) diff --git a/drivers/media/platform/s5p-fimc/fimc-core.c b/drivers/media/platform/s5p-fimc/fimc-core.c index acc0f84ffa5..e3916bde45c 100644 --- a/drivers/media/platform/s5p-fimc/fimc-core.c +++ b/drivers/media/platform/s5p-fimc/fimc-core.c @@ -241,7 +241,7 @@ static int fimc_get_scaler_factor(u32 src, u32 tar, u32 *ratio, u32 *shift) int fimc_set_scaler_info(struct fimc_ctx *ctx) { - struct fimc_variant *variant = ctx->fimc_dev->variant; + const struct fimc_variant *variant = ctx->fimc_dev->variant; struct device *dev = &ctx->fimc_dev->pdev->dev; struct fimc_scaler *sc = &ctx->scaler; struct fimc_frame *s_frame = &ctx->s_frame; @@ -257,14 +257,14 @@ int fimc_set_scaler_info(struct fimc_ctx *ctx) ty = d_frame->height; } if (tx <= 0 || ty <= 0) { - dev_err(dev, "Invalid target size: %dx%d", tx, ty); + dev_err(dev, "Invalid target size: %dx%d\n", tx, ty); return -EINVAL; } sx = s_frame->width; sy = s_frame->height; if (sx <= 0 || sy <= 0) { - dev_err(dev, "Invalid source size: %dx%d", sx, sy); + dev_err(dev, "Invalid source size: %dx%d\n", sx, sy); return -EINVAL; } sc->real_width = sx; @@ -440,7 +440,7 @@ void fimc_set_yuv_order(struct fimc_ctx *ctx) void fimc_prepare_dma_offset(struct fimc_ctx *ctx, struct fimc_frame *f) { - struct fimc_variant *variant = ctx->fimc_dev->variant; + const struct fimc_variant *variant = ctx->fimc_dev->variant; u32 i, depth = 0; for (i = 0; i < f->fmt->colplanes; i++) @@ -524,8 +524,7 @@ static int fimc_set_color_effect(struct fimc_ctx *ctx, enum v4l2_colorfx colorfx static int __fimc_s_ctrl(struct fimc_ctx *ctx, struct v4l2_ctrl *ctrl) { struct fimc_dev *fimc = ctx->fimc_dev; - struct fimc_variant *variant = fimc->variant; - unsigned int flags = FIMC_DST_FMT | FIMC_SRC_FMT; + const struct fimc_variant *variant = fimc->variant; int ret = 0; if (ctrl->flags & V4L2_CTRL_FLAG_INACTIVE) @@ -541,8 +540,7 @@ static int __fimc_s_ctrl(struct fimc_ctx *ctx, struct v4l2_ctrl *ctrl) break; case V4L2_CID_ROTATE: - if (fimc_capture_pending(fimc) || - (ctx->state & flags) == flags) { + if (fimc_capture_pending(fimc)) { ret = fimc_check_scaler_ratio(ctx, ctx->s_frame.width, ctx->s_frame.height, ctx->d_frame.width, ctx->d_frame.height, ctrl->val); @@ -591,7 +589,7 @@ static const struct v4l2_ctrl_ops fimc_ctrl_ops = { int fimc_ctrls_create(struct fimc_ctx *ctx) { - struct fimc_variant *variant = ctx->fimc_dev->variant; + const struct fimc_variant *variant = ctx->fimc_dev->variant; unsigned int max_alpha = fimc_get_alpha_mask(ctx->d_frame.fmt); struct fimc_ctrls *ctrls = &ctx->ctrls; struct v4l2_ctrl_handler *handler = &ctrls->handler; @@ -691,7 +689,7 @@ void fimc_alpha_ctrl_update(struct fimc_ctx *ctx) v4l2_ctrl_unlock(ctrl); } -int fimc_fill_format(struct fimc_frame *frame, struct v4l2_format *f) +void __fimc_get_format(struct fimc_frame *frame, struct v4l2_format *f) { struct v4l2_pix_format_mplane *pixm = &f->fmt.pix_mp; int i; @@ -704,35 +702,9 @@ int fimc_fill_format(struct fimc_frame *frame, struct v4l2_format *f) pixm->num_planes = frame->fmt->memplanes; for (i = 0; i < pixm->num_planes; ++i) { - int bpl = frame->f_width; - if (frame->fmt->colplanes == 1) /* packed formats */ - bpl = (bpl * frame->fmt->depth[0]) / 8; - pixm->plane_fmt[i].bytesperline = bpl; - - if (frame->fmt->flags & FMT_FLAGS_COMPRESSED) { - pixm->plane_fmt[i].sizeimage = frame->payload[i]; - continue; - } - pixm->plane_fmt[i].sizeimage = (frame->o_width * - frame->o_height * frame->fmt->depth[i]) / 8; + pixm->plane_fmt[i].bytesperline = frame->bytesperline[i]; + pixm->plane_fmt[i].sizeimage = frame->payload[i]; } - return 0; -} - -void fimc_fill_frame(struct fimc_frame *frame, struct v4l2_format *f) -{ - struct v4l2_pix_format_mplane *pixm = &f->fmt.pix_mp; - - frame->f_width = pixm->plane_fmt[0].bytesperline; - if (frame->fmt->colplanes == 1) - frame->f_width = (frame->f_width * 8) / frame->fmt->depth[0]; - frame->f_height = pixm->height; - frame->width = pixm->width; - frame->height = pixm->height; - frame->o_width = pixm->width; - frame->o_height = pixm->height; - frame->offs_h = 0; - frame->offs_v = 0; } /** @@ -765,9 +737,16 @@ void fimc_adjust_mplane_format(struct fimc_fmt *fmt, u32 width, u32 height, if (fmt->colplanes == 1 && /* Packed */ (bpl == 0 || ((bpl * 8) / fmt->depth[i]) < pix->width)) bpl = (pix->width * fmt->depth[0]) / 8; - - if (i == 0) /* Same bytesperline for each plane. */ + /* + * Currently bytesperline for each plane is same, except + * V4L2_PIX_FMT_YUV420M format. This calculation may need + * to be changed when other multi-planar formats are added + * to the fimc_formats[] array. + */ + if (i == 0) bytesperline = bpl; + else if (i == 1 && fmt->memplanes == 3) + bytesperline /= 2; plane_fmt->bytesperline = bytesperline; plane_fmt->sizeimage = max((pix->width * pix->height * @@ -811,11 +790,11 @@ static void fimc_clk_put(struct fimc_dev *fimc) { int i; for (i = 0; i < MAX_FIMC_CLOCKS; i++) { - if (IS_ERR_OR_NULL(fimc->clock[i])) + if (IS_ERR(fimc->clock[i])) continue; clk_unprepare(fimc->clock[i]); clk_put(fimc->clock[i]); - fimc->clock[i] = NULL; + fimc->clock[i] = ERR_PTR(-EINVAL); } } @@ -823,14 +802,19 @@ static int fimc_clk_get(struct fimc_dev *fimc) { int i, ret; + for (i = 0; i < MAX_FIMC_CLOCKS; i++) + fimc->clock[i] = ERR_PTR(-EINVAL); + for (i = 0; i < MAX_FIMC_CLOCKS; i++) { fimc->clock[i] = clk_get(&fimc->pdev->dev, fimc_clocks[i]); - if (IS_ERR(fimc->clock[i])) + if (IS_ERR(fimc->clock[i])) { + ret = PTR_ERR(fimc->clock[i]); goto err; + } ret = clk_prepare(fimc->clock[i]); if (ret < 0) { clk_put(fimc->clock[i]); - fimc->clock[i] = NULL; + fimc->clock[i] = ERR_PTR(-EINVAL); goto err; } } @@ -881,7 +865,7 @@ static int fimc_m2m_resume(struct fimc_dev *fimc) static int fimc_probe(struct platform_device *pdev) { - struct fimc_drvdata *drv_data = fimc_get_drvdata(pdev); + const struct fimc_drvdata *drv_data = fimc_get_drvdata(pdev); struct s5p_platform_fimc *pdata; struct fimc_dev *fimc; struct resource *res; @@ -922,8 +906,14 @@ static int fimc_probe(struct platform_device *pdev) ret = fimc_clk_get(fimc); if (ret) return ret; - clk_set_rate(fimc->clock[CLK_BUS], drv_data->lclk_frequency); - clk_enable(fimc->clock[CLK_BUS]); + + ret = clk_set_rate(fimc->clock[CLK_BUS], drv_data->lclk_frequency); + if (ret < 0) + return ret; + + ret = clk_enable(fimc->clock[CLK_BUS]); + if (ret < 0) + return ret; ret = devm_request_irq(&pdev->dev, res->start, fimc_irq_handler, 0, dev_name(&pdev->dev), fimc); @@ -957,6 +947,7 @@ err_pm: err_sd: fimc_unregister_capture_subdev(fimc); err_clk: + clk_disable(fimc->clock[CLK_BUS]); fimc_clk_put(fimc); return ret; } @@ -1051,7 +1042,7 @@ static int fimc_remove(struct platform_device *pdev) } /* Image pixel limits, similar across several FIMC HW revisions. */ -static struct fimc_pix_limit s5p_pix_limit[4] = { +static const struct fimc_pix_limit s5p_pix_limit[4] = { [0] = { .scaler_en_w = 3264, .scaler_dis_w = 8192, @@ -1086,7 +1077,7 @@ static struct fimc_pix_limit s5p_pix_limit[4] = { }, }; -static struct fimc_variant fimc0_variant_s5p = { +static const struct fimc_variant fimc0_variant_s5p = { .has_inp_rot = 1, .has_out_rot = 1, .has_cam_if = 1, @@ -1098,7 +1089,7 @@ static struct fimc_variant fimc0_variant_s5p = { .pix_limit = &s5p_pix_limit[0], }; -static struct fimc_variant fimc2_variant_s5p = { +static const struct fimc_variant fimc2_variant_s5p = { .has_cam_if = 1, .min_inp_pixsize = 16, .min_out_pixsize = 16, @@ -1108,7 +1099,7 @@ static struct fimc_variant fimc2_variant_s5p = { .pix_limit = &s5p_pix_limit[1], }; -static struct fimc_variant fimc0_variant_s5pv210 = { +static const struct fimc_variant fimc0_variant_s5pv210 = { .pix_hoff = 1, .has_inp_rot = 1, .has_out_rot = 1, @@ -1121,7 +1112,7 @@ static struct fimc_variant fimc0_variant_s5pv210 = { .pix_limit = &s5p_pix_limit[1], }; -static struct fimc_variant fimc1_variant_s5pv210 = { +static const struct fimc_variant fimc1_variant_s5pv210 = { .pix_hoff = 1, .has_inp_rot = 1, .has_out_rot = 1, @@ -1135,7 +1126,7 @@ static struct fimc_variant fimc1_variant_s5pv210 = { .pix_limit = &s5p_pix_limit[2], }; -static struct fimc_variant fimc2_variant_s5pv210 = { +static const struct fimc_variant fimc2_variant_s5pv210 = { .has_cam_if = 1, .pix_hoff = 1, .min_inp_pixsize = 16, @@ -1146,7 +1137,7 @@ static struct fimc_variant fimc2_variant_s5pv210 = { .pix_limit = &s5p_pix_limit[2], }; -static struct fimc_variant fimc0_variant_exynos4 = { +static const struct fimc_variant fimc0_variant_exynos4210 = { .pix_hoff = 1, .has_inp_rot = 1, .has_out_rot = 1, @@ -1162,9 +1153,8 @@ static struct fimc_variant fimc0_variant_exynos4 = { .pix_limit = &s5p_pix_limit[1], }; -static struct fimc_variant fimc3_variant_exynos4 = { +static const struct fimc_variant fimc3_variant_exynos4210 = { .pix_hoff = 1, - .has_cam_if = 1, .has_cistatus2 = 1, .has_mainscaler_ext = 1, .has_alpha = 1, @@ -1176,8 +1166,38 @@ static struct fimc_variant fimc3_variant_exynos4 = { .pix_limit = &s5p_pix_limit[3], }; +static const struct fimc_variant fimc0_variant_exynos4x12 = { + .pix_hoff = 1, + .has_inp_rot = 1, + .has_out_rot = 1, + .has_cam_if = 1, + .has_isp_wb = 1, + .has_cistatus2 = 1, + .has_mainscaler_ext = 1, + .has_alpha = 1, + .min_inp_pixsize = 16, + .min_out_pixsize = 16, + .hor_offs_align = 2, + .min_vsize_align = 1, + .out_buf_count = 32, + .pix_limit = &s5p_pix_limit[1], +}; + +static const struct fimc_variant fimc3_variant_exynos4x12 = { + .pix_hoff = 1, + .has_cistatus2 = 1, + .has_mainscaler_ext = 1, + .has_alpha = 1, + .min_inp_pixsize = 16, + .min_out_pixsize = 16, + .hor_offs_align = 2, + .min_vsize_align = 1, + .out_buf_count = 32, + .pix_limit = &s5p_pix_limit[3], +}; + /* S5PC100 */ -static struct fimc_drvdata fimc_drvdata_s5p = { +static const struct fimc_drvdata fimc_drvdata_s5p = { .variant = { [0] = &fimc0_variant_s5p, [1] = &fimc0_variant_s5p, @@ -1188,7 +1208,7 @@ static struct fimc_drvdata fimc_drvdata_s5p = { }; /* S5PV210, S5PC110 */ -static struct fimc_drvdata fimc_drvdata_s5pv210 = { +static const struct fimc_drvdata fimc_drvdata_s5pv210 = { .variant = { [0] = &fimc0_variant_s5pv210, [1] = &fimc1_variant_s5pv210, @@ -1199,18 +1219,30 @@ static struct fimc_drvdata fimc_drvdata_s5pv210 = { }; /* EXYNOS4210, S5PV310, S5PC210 */ -static struct fimc_drvdata fimc_drvdata_exynos4 = { +static const struct fimc_drvdata fimc_drvdata_exynos4210 = { + .variant = { + [0] = &fimc0_variant_exynos4210, + [1] = &fimc0_variant_exynos4210, + [2] = &fimc0_variant_exynos4210, + [3] = &fimc3_variant_exynos4210, + }, + .num_entities = 4, + .lclk_frequency = 166000000UL, +}; + +/* EXYNOS4212, EXYNOS4412 */ +static const struct fimc_drvdata fimc_drvdata_exynos4x12 = { .variant = { - [0] = &fimc0_variant_exynos4, - [1] = &fimc0_variant_exynos4, - [2] = &fimc0_variant_exynos4, - [3] = &fimc3_variant_exynos4, + [0] = &fimc0_variant_exynos4x12, + [1] = &fimc0_variant_exynos4x12, + [2] = &fimc0_variant_exynos4x12, + [3] = &fimc3_variant_exynos4x12, }, .num_entities = 4, .lclk_frequency = 166000000UL, }; -static struct platform_device_id fimc_driver_ids[] = { +static const struct platform_device_id fimc_driver_ids[] = { { .name = "s5p-fimc", .driver_data = (unsigned long)&fimc_drvdata_s5p, @@ -1219,7 +1251,10 @@ static struct platform_device_id fimc_driver_ids[] = { .driver_data = (unsigned long)&fimc_drvdata_s5pv210, }, { .name = "exynos4-fimc", - .driver_data = (unsigned long)&fimc_drvdata_exynos4, + .driver_data = (unsigned long)&fimc_drvdata_exynos4210, + }, { + .name = "exynos4x12-fimc", + .driver_data = (unsigned long)&fimc_drvdata_exynos4x12, }, {}, }; diff --git a/drivers/media/platform/s5p-fimc/fimc-core.h b/drivers/media/platform/s5p-fimc/fimc-core.h index c0040d79249..412d50708f7 100644 --- a/drivers/media/platform/s5p-fimc/fimc-core.h +++ b/drivers/media/platform/s5p-fimc/fimc-core.h @@ -112,9 +112,7 @@ enum fimc_color_fmt { /* The hardware context state. */ #define FIMC_PARAMS (1 << 0) -#define FIMC_SRC_FMT (1 << 3) -#define FIMC_DST_FMT (1 << 4) -#define FIMC_COMPOSE (1 << 5) +#define FIMC_COMPOSE (1 << 1) #define FIMC_CTX_M2M (1 << 16) #define FIMC_CTX_CAP (1 << 17) #define FIMC_CTX_SHUT (1 << 18) @@ -265,6 +263,7 @@ struct fimc_vid_buffer { * @width: image pixel width * @height: image pixel weight * @payload: image size in bytes (w x h x bpp) + * @bytesperline: bytesperline value for each plane * @paddr: image frame buffer physical addresses * @dma_offset: DMA offset in bytes * @fmt: fimc color format pointer @@ -279,6 +278,7 @@ struct fimc_frame { u32 width; u32 height; unsigned int payload[VIDEO_MAX_PLANES]; + unsigned int bytesperline[VIDEO_MAX_PLANES]; struct fimc_addr paddr; struct fimc_dma_offset dma_offset; struct fimc_fmt *fmt; @@ -372,6 +372,7 @@ struct fimc_pix_limit { * @has_mainscaler_ext: 1 if extended mainscaler ratios in CIEXTEN register * are present in this IP revision * @has_cam_if: set if this instance has a camera input interface + * @has_isp_wb: set if this instance has ISP writeback input * @pix_limit: pixel size constraints for the scaler * @min_inp_pixsize: minimum input pixel size * @min_out_pixsize: minimum output pixel size @@ -386,8 +387,9 @@ struct fimc_variant { unsigned int has_cistatus2:1; unsigned int has_mainscaler_ext:1; unsigned int has_cam_if:1; + unsigned int has_isp_wb:1; unsigned int has_alpha:1; - struct fimc_pix_limit *pix_limit; + const struct fimc_pix_limit *pix_limit; u16 min_inp_pixsize; u16 min_out_pixsize; u16 hor_offs_align; @@ -402,7 +404,7 @@ struct fimc_variant { * @lclk_frequency: local bus clock frequency */ struct fimc_drvdata { - struct fimc_variant *variant[FIMC_MAX_DEVS]; + const struct fimc_variant *variant[FIMC_MAX_DEVS]; int num_entities; unsigned long lclk_frequency; }; @@ -435,7 +437,7 @@ struct fimc_dev { struct mutex lock; struct platform_device *pdev; struct s5p_platform_fimc *pdata; - struct fimc_variant *variant; + const struct fimc_variant *variant; u16 id; struct clk *clock[MAX_FIMC_CLOCKS]; void __iomem *regs; @@ -635,7 +637,7 @@ int fimc_ctrls_create(struct fimc_ctx *ctx); void fimc_ctrls_delete(struct fimc_ctx *ctx); void fimc_ctrls_activate(struct fimc_ctx *ctx, bool active); void fimc_alpha_ctrl_update(struct fimc_ctx *ctx); -int fimc_fill_format(struct fimc_frame *frame, struct v4l2_format *f); +void __fimc_get_format(struct fimc_frame *frame, struct v4l2_format *f); void fimc_adjust_mplane_format(struct fimc_fmt *fmt, u32 width, u32 height, struct v4l2_pix_format_mplane *pix); struct fimc_fmt *fimc_find_format(const u32 *pixelformat, const u32 *mbus_code, @@ -650,7 +652,6 @@ int fimc_prepare_addr(struct fimc_ctx *ctx, struct vb2_buffer *vb, struct fimc_frame *frame, struct fimc_addr *paddr); void fimc_prepare_dma_offset(struct fimc_ctx *ctx, struct fimc_frame *f); void fimc_set_yuv_order(struct fimc_ctx *ctx); -void fimc_fill_frame(struct fimc_frame *frame, struct v4l2_format *f); void fimc_capture_irq_handler(struct fimc_dev *fimc, int deq_buf); int fimc_register_m2m_device(struct fimc_dev *fimc, diff --git a/drivers/media/platform/s5p-fimc/fimc-lite-reg.c b/drivers/media/platform/s5p-fimc/fimc-lite-reg.c index a22d7eb05c8..f0af0754a7b 100644 --- a/drivers/media/platform/s5p-fimc/fimc-lite-reg.c +++ b/drivers/media/platform/s5p-fimc/fimc-lite-reg.c @@ -65,7 +65,7 @@ void flite_hw_set_interrupt_mask(struct fimc_lite *dev) u32 cfg, intsrc; /* Select interrupts to be enabled for each output mode */ - if (dev->out_path == FIMC_IO_DMA) { + if (atomic_read(&dev->out_path) == FIMC_IO_DMA) { intsrc = FLITE_REG_CIGCTRL_IRQ_OVFEN | FLITE_REG_CIGCTRL_IRQ_LASTEN | FLITE_REG_CIGCTRL_IRQ_STARTEN; @@ -187,12 +187,12 @@ static void flite_hw_set_camera_port(struct fimc_lite *dev, int id) /* Select serial or parallel bus, camera port (A,B) and set signals polarity */ void flite_hw_set_camera_bus(struct fimc_lite *dev, - struct s5p_fimc_isp_info *s_info) + struct fimc_source_info *si) { u32 cfg = readl(dev->regs + FLITE_REG_CIGCTRL); - unsigned int flags = s_info->flags; + unsigned int flags = si->flags; - if (s_info->bus_type != FIMC_MIPI_CSI2) { + if (si->sensor_bus_type != FIMC_BUS_TYPE_MIPI_CSI2) { cfg &= ~(FLITE_REG_CIGCTRL_SELCAM_MIPI | FLITE_REG_CIGCTRL_INVPOLPCLK | FLITE_REG_CIGCTRL_INVPOLVSYNC | @@ -212,7 +212,7 @@ void flite_hw_set_camera_bus(struct fimc_lite *dev, writel(cfg, dev->regs + FLITE_REG_CIGCTRL); - flite_hw_set_camera_port(dev, s_info->mux_id); + flite_hw_set_camera_port(dev, si->mux_id); } static void flite_hw_set_out_order(struct fimc_lite *dev, struct flite_frame *f) @@ -292,9 +292,11 @@ void flite_hw_dump_regs(struct fimc_lite *dev, const char *label) }; u32 i; - pr_info("--- %s ---\n", label); + v4l2_info(&dev->subdev, "--- %s ---\n", label); + for (i = 0; i < ARRAY_SIZE(registers); i++) { u32 cfg = readl(dev->regs + registers[i].offset); - pr_info("%s: %s:\t0x%08x\n", __func__, registers[i].name, cfg); + v4l2_info(&dev->subdev, "%9s: 0x%08x\n", + registers[i].name, cfg); } } diff --git a/drivers/media/platform/s5p-fimc/fimc-lite-reg.h b/drivers/media/platform/s5p-fimc/fimc-lite-reg.h index adb9e9e6f3c..0e345844c13 100644 --- a/drivers/media/platform/s5p-fimc/fimc-lite-reg.h +++ b/drivers/media/platform/s5p-fimc/fimc-lite-reg.h @@ -131,9 +131,9 @@ void flite_hw_set_interrupt_mask(struct fimc_lite *dev); void flite_hw_capture_start(struct fimc_lite *dev); void flite_hw_capture_stop(struct fimc_lite *dev); void flite_hw_set_camera_bus(struct fimc_lite *dev, - struct s5p_fimc_isp_info *s_info); + struct fimc_source_info *s_info); void flite_hw_set_camera_polarity(struct fimc_lite *dev, - struct s5p_fimc_isp_info *cam); + struct fimc_source_info *cam); void flite_hw_set_window_offset(struct fimc_lite *dev, struct flite_frame *f); void flite_hw_set_source_format(struct fimc_lite *dev, struct flite_frame *f); diff --git a/drivers/media/platform/s5p-fimc/fimc-lite.c b/drivers/media/platform/s5p-fimc/fimc-lite.c index 67db9f8102e..bfc4206935c 100644 --- a/drivers/media/platform/s5p-fimc/fimc-lite.c +++ b/drivers/media/platform/s5p-fimc/fimc-lite.c @@ -120,25 +120,29 @@ static const struct fimc_fmt *fimc_lite_find_format(const u32 *pixelformat, return def_fmt; } -static int fimc_lite_hw_init(struct fimc_lite *fimc) +static int fimc_lite_hw_init(struct fimc_lite *fimc, bool isp_output) { struct fimc_pipeline *pipeline = &fimc->pipeline; - struct fimc_sensor_info *sensor; + struct v4l2_subdev *sensor; + struct fimc_sensor_info *si; unsigned long flags; - if (pipeline->subdevs[IDX_SENSOR] == NULL) + sensor = isp_output ? fimc->sensor : pipeline->subdevs[IDX_SENSOR]; + + if (sensor == NULL) return -ENXIO; if (fimc->fmt == NULL) return -EINVAL; - sensor = v4l2_get_subdev_hostdata(pipeline->subdevs[IDX_SENSOR]); + /* Get sensor configuration data from the sensor subdev */ + si = v4l2_get_subdev_hostdata(sensor); spin_lock_irqsave(&fimc->slock, flags); - flite_hw_set_camera_bus(fimc, &sensor->pdata); + flite_hw_set_camera_bus(fimc, &si->pdata); flite_hw_set_source_format(fimc, &fimc->inp_frame); flite_hw_set_window_offset(fimc, &fimc->inp_frame); - flite_hw_set_output_dma(fimc, &fimc->out_frame, true); + flite_hw_set_output_dma(fimc, &fimc->out_frame, !isp_output); flite_hw_set_interrupt_mask(fimc); flite_hw_set_test_pattern(fimc, fimc->test_pattern->val); @@ -256,7 +260,7 @@ static irqreturn_t flite_irq_handler(int irq, void *priv) wake_up(&fimc->irq_queue); } - if (fimc->out_path != FIMC_IO_DMA) + if (atomic_read(&fimc->out_path) != FIMC_IO_DMA) goto done; if ((intsrc & FLITE_REG_CISTATUS_IRQ_SRC_FRMSTART) && @@ -296,7 +300,7 @@ static int start_streaming(struct vb2_queue *q, unsigned int count) fimc->frame_count = 0; - ret = fimc_lite_hw_init(fimc); + ret = fimc_lite_hw_init(fimc, false); if (ret) { fimc_lite_reinit(fimc, false); return ret; @@ -455,10 +459,16 @@ static void fimc_lite_clear_event_counters(struct fimc_lite *fimc) static int fimc_lite_open(struct file *file) { struct fimc_lite *fimc = video_drvdata(file); + struct media_entity *me = &fimc->vfd.entity; int ret; - if (mutex_lock_interruptible(&fimc->lock)) - return -ERESTARTSYS; + mutex_lock(&me->parent->graph_mutex); + + mutex_lock(&fimc->lock); + if (atomic_read(&fimc->out_path) != FIMC_IO_DMA) { + ret = -EBUSY; + goto done; + } set_bit(ST_FLITE_IN_USE, &fimc->state); ret = pm_runtime_get_sync(&fimc->pdev->dev); @@ -469,7 +479,8 @@ static int fimc_lite_open(struct file *file) if (ret < 0) goto done; - if (++fimc->ref_count == 1 && fimc->out_path == FIMC_IO_DMA) { + if (++fimc->ref_count == 1 && + atomic_read(&fimc->out_path) == FIMC_IO_DMA) { ret = fimc_pipeline_call(fimc, open, &fimc->pipeline, &fimc->vfd.entity, true); if (ret < 0) { @@ -483,6 +494,7 @@ static int fimc_lite_open(struct file *file) } done: mutex_unlock(&fimc->lock); + mutex_unlock(&me->parent->graph_mutex); return ret; } @@ -493,7 +505,8 @@ static int fimc_lite_close(struct file *file) mutex_lock(&fimc->lock); - if (--fimc->ref_count == 0 && fimc->out_path == FIMC_IO_DMA) { + if (--fimc->ref_count == 0 && + atomic_read(&fimc->out_path) == FIMC_IO_DMA) { clear_bit(ST_FLITE_IN_USE, &fimc->state); fimc_lite_stop_capture(fimc, false); fimc_pipeline_call(fimc, close, &fimc->pipeline); @@ -598,7 +611,7 @@ static void fimc_lite_try_crop(struct fimc_lite *fimc, struct v4l2_rect *r) r->left = round_down(r->left, fimc->variant->win_hor_offs_align); r->top = clamp_t(u32, r->top, 0, frame->f_height - r->height); - v4l2_dbg(1, debug, &fimc->subdev, "(%d,%d)/%dx%d, sink fmt: %dx%d", + v4l2_dbg(1, debug, &fimc->subdev, "(%d,%d)/%dx%d, sink fmt: %dx%d\n", r->left, r->top, r->width, r->height, frame->f_width, frame->f_height); } @@ -618,7 +631,7 @@ static void fimc_lite_try_compose(struct fimc_lite *fimc, struct v4l2_rect *r) r->left = round_down(r->left, fimc->variant->out_hor_offs_align); r->top = clamp_t(u32, r->top, 0, fimc->out_frame.f_height - r->height); - v4l2_dbg(1, debug, &fimc->subdev, "(%d,%d)/%dx%d, source fmt: %dx%d", + v4l2_dbg(1, debug, &fimc->subdev, "(%d,%d)/%dx%d, source fmt: %dx%d\n", r->left, r->top, r->width, r->height, frame->f_width, frame->f_height); } @@ -962,6 +975,29 @@ static const struct v4l2_ioctl_ops fimc_lite_ioctl_ops = { .vidioc_streamoff = fimc_lite_streamoff, }; +/* Called with the media graph mutex held */ +static struct v4l2_subdev *__find_remote_sensor(struct media_entity *me) +{ + struct media_pad *pad = &me->pads[0]; + struct v4l2_subdev *sd; + + while (pad->flags & MEDIA_PAD_FL_SINK) { + /* source pad */ + pad = media_entity_remote_source(pad); + if (pad == NULL || + media_entity_type(pad->entity) != MEDIA_ENT_T_V4L2_SUBDEV) + break; + + sd = media_entity_to_v4l2_subdev(pad->entity); + + if (sd->grp_id == GRP_ID_FIMC_IS_SENSOR) + return sd; + /* sink pad */ + pad = &sd->entity.pads[0]; + } + return NULL; +} + /* Capture subdev media entity operations */ static int fimc_lite_link_setup(struct media_entity *entity, const struct media_pad *local, @@ -970,46 +1006,60 @@ static int fimc_lite_link_setup(struct media_entity *entity, struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity); struct fimc_lite *fimc = v4l2_get_subdevdata(sd); unsigned int remote_ent_type = media_entity_type(remote->entity); + int ret = 0; if (WARN_ON(fimc == NULL)) return 0; - v4l2_dbg(1, debug, sd, "%s: %s --> %s, flags: 0x%x. source_id: 0x%x", - __func__, local->entity->name, remote->entity->name, + v4l2_dbg(1, debug, sd, "%s: %s --> %s, flags: 0x%x. source_id: 0x%x\n", + __func__, remote->entity->name, local->entity->name, flags, fimc->source_subdev_grp_id); - switch (local->index) { - case FIMC_SD_PAD_SINK: - if (remote_ent_type != MEDIA_ENT_T_V4L2_SUBDEV) - return -EINVAL; + mutex_lock(&fimc->lock); + switch (local->index) { + case FLITE_SD_PAD_SINK: + if (remote_ent_type != MEDIA_ENT_T_V4L2_SUBDEV) { + ret = -EINVAL; + break; + } if (flags & MEDIA_LNK_FL_ENABLED) { - if (fimc->source_subdev_grp_id != 0) - return -EBUSY; - fimc->source_subdev_grp_id = sd->grp_id; - return 0; + if (fimc->source_subdev_grp_id == 0) + fimc->source_subdev_grp_id = sd->grp_id; + else + ret = -EBUSY; + } else { + fimc->source_subdev_grp_id = 0; + fimc->sensor = NULL; } + break; - fimc->source_subdev_grp_id = 0; + case FLITE_SD_PAD_SOURCE_DMA: + if (!(flags & MEDIA_LNK_FL_ENABLED)) + atomic_set(&fimc->out_path, FIMC_IO_NONE); + else if (remote_ent_type == MEDIA_ENT_T_DEVNODE) + atomic_set(&fimc->out_path, FIMC_IO_DMA); + else + ret = -EINVAL; break; - case FIMC_SD_PAD_SOURCE: - if (!(flags & MEDIA_LNK_FL_ENABLED)) { - fimc->out_path = FIMC_IO_NONE; - return 0; - } - if (remote_ent_type == MEDIA_ENT_T_V4L2_SUBDEV) - fimc->out_path = FIMC_IO_ISP; + case FLITE_SD_PAD_SOURCE_ISP: + if (!(flags & MEDIA_LNK_FL_ENABLED)) + atomic_set(&fimc->out_path, FIMC_IO_NONE); + else if (remote_ent_type == MEDIA_ENT_T_V4L2_SUBDEV) + atomic_set(&fimc->out_path, FIMC_IO_ISP); else - fimc->out_path = FIMC_IO_DMA; + ret = -EINVAL; break; default: v4l2_err(sd, "Invalid pad index\n"); - return -EINVAL; + ret = -EINVAL; } + mb(); - return 0; + mutex_unlock(&fimc->lock); + return ret; } static const struct media_entity_operations fimc_lite_subdev_media_ops = { @@ -1070,14 +1120,16 @@ static int fimc_lite_subdev_set_fmt(struct v4l2_subdev *sd, struct flite_frame *source = &fimc->out_frame; const struct fimc_fmt *ffmt; - v4l2_dbg(1, debug, sd, "pad%d: code: 0x%x, %dx%d", + v4l2_dbg(1, debug, sd, "pad%d: code: 0x%x, %dx%d\n", fmt->pad, mf->code, mf->width, mf->height); mf->colorspace = V4L2_COLORSPACE_JPEG; mutex_lock(&fimc->lock); - if ((fimc->out_path == FIMC_IO_ISP && sd->entity.stream_count > 0) || - (fimc->out_path == FIMC_IO_DMA && vb2_is_busy(&fimc->vb_queue))) { + if ((atomic_read(&fimc->out_path) == FIMC_IO_ISP && + sd->entity.stream_count > 0) || + (atomic_read(&fimc->out_path) == FIMC_IO_DMA && + vb2_is_busy(&fimc->vb_queue))) { mutex_unlock(&fimc->lock); return -EBUSY; } @@ -1144,7 +1196,7 @@ static int fimc_lite_subdev_get_selection(struct v4l2_subdev *sd, } mutex_unlock(&fimc->lock); - v4l2_dbg(1, debug, sd, "%s: (%d,%d) %dx%d, f_w: %d, f_h: %d", + v4l2_dbg(1, debug, sd, "%s: (%d,%d) %dx%d, f_w: %d, f_h: %d\n", __func__, f->rect.left, f->rect.top, f->rect.width, f->rect.height, f->f_width, f->f_height); @@ -1178,7 +1230,7 @@ static int fimc_lite_subdev_set_selection(struct v4l2_subdev *sd, } mutex_unlock(&fimc->lock); - v4l2_dbg(1, debug, sd, "%s: (%d,%d) %dx%d, f_w: %d, f_h: %d", + v4l2_dbg(1, debug, sd, "%s: (%d,%d) %dx%d, f_w: %d, f_h: %d\n", __func__, f->rect.left, f->rect.top, f->rect.width, f->rect.height, f->f_width, f->f_height); @@ -1188,25 +1240,47 @@ static int fimc_lite_subdev_set_selection(struct v4l2_subdev *sd, static int fimc_lite_subdev_s_stream(struct v4l2_subdev *sd, int on) { struct fimc_lite *fimc = v4l2_get_subdevdata(sd); + unsigned long flags; + int ret; - if (fimc->out_path == FIMC_IO_DMA) - return -ENOIOCTLCMD; - - /* TODO: */ + /* + * Find sensor subdev linked to FIMC-LITE directly or through + * MIPI-CSIS. This is required for configuration where FIMC-LITE + * is used as a subdev only and feeds data internally to FIMC-IS. + * The pipeline links are protected through entity.stream_count + * so there is no need to take the media graph mutex here. + */ + fimc->sensor = __find_remote_sensor(&sd->entity); - return 0; -} + if (atomic_read(&fimc->out_path) != FIMC_IO_ISP) + return -ENOIOCTLCMD; -static int fimc_lite_subdev_s_power(struct v4l2_subdev *sd, int on) -{ - struct fimc_lite *fimc = v4l2_get_subdevdata(sd); + mutex_lock(&fimc->lock); + if (on) { + flite_hw_reset(fimc); + ret = fimc_lite_hw_init(fimc, true); + if (!ret) { + spin_lock_irqsave(&fimc->slock, flags); + flite_hw_capture_start(fimc); + spin_unlock_irqrestore(&fimc->slock, flags); + } + } else { + set_bit(ST_FLITE_OFF, &fimc->state); - if (fimc->out_path == FIMC_IO_DMA) - return -ENOIOCTLCMD; + spin_lock_irqsave(&fimc->slock, flags); + flite_hw_capture_stop(fimc); + spin_unlock_irqrestore(&fimc->slock, flags); - /* TODO: */ + ret = wait_event_timeout(fimc->irq_queue, + !test_bit(ST_FLITE_OFF, &fimc->state), + msecs_to_jiffies(200)); + if (ret == 0) + v4l2_err(sd, "s_stream(0) timeout\n"); + clear_bit(ST_FLITE_RUN, &fimc->state); + } - return 0; + mutex_unlock(&fimc->lock); + return ret; } static int fimc_lite_log_status(struct v4l2_subdev *sd) @@ -1227,7 +1301,7 @@ static int fimc_lite_subdev_registered(struct v4l2_subdev *sd) memset(vfd, 0, sizeof(*vfd)); fimc->fmt = &fimc_lite_formats[0]; - fimc->out_path = FIMC_IO_DMA; + atomic_set(&fimc->out_path, FIMC_IO_DMA); snprintf(vfd->name, sizeof(vfd->name), "fimc-lite.%d.capture", fimc->index); @@ -1308,7 +1382,6 @@ static const struct v4l2_subdev_video_ops fimc_lite_subdev_video_ops = { }; static const struct v4l2_subdev_core_ops fimc_lite_core_ops = { - .s_power = fimc_lite_subdev_s_power, .log_status = fimc_lite_log_status, }; @@ -1347,9 +1420,10 @@ static int fimc_lite_create_capture_subdev(struct fimc_lite *fimc) sd->flags = V4L2_SUBDEV_FL_HAS_DEVNODE; snprintf(sd->name, sizeof(sd->name), "FIMC-LITE.%d", fimc->index); - fimc->subdev_pads[FIMC_SD_PAD_SINK].flags = MEDIA_PAD_FL_SINK; - fimc->subdev_pads[FIMC_SD_PAD_SOURCE].flags = MEDIA_PAD_FL_SOURCE; - ret = media_entity_init(&sd->entity, FIMC_SD_PADS_NUM, + fimc->subdev_pads[FLITE_SD_PAD_SINK].flags = MEDIA_PAD_FL_SINK; + fimc->subdev_pads[FLITE_SD_PAD_SOURCE_DMA].flags = MEDIA_PAD_FL_SOURCE; + fimc->subdev_pads[FLITE_SD_PAD_SOURCE_ISP].flags = MEDIA_PAD_FL_SOURCE; + ret = media_entity_init(&sd->entity, FLITE_SD_PADS_NUM, fimc->subdev_pads, 0); if (ret) return ret; @@ -1516,7 +1590,7 @@ static int fimc_lite_resume(struct device *dev) INIT_LIST_HEAD(&fimc->active_buf_q); fimc_pipeline_call(fimc, open, &fimc->pipeline, &fimc->vfd.entity, false); - fimc_lite_hw_init(fimc); + fimc_lite_hw_init(fimc, atomic_read(&fimc->out_path) == FIMC_IO_ISP); clear_bit(ST_FLITE_SUSPENDED, &fimc->state); for (i = 0; i < fimc->reqbufs_count; i++) { diff --git a/drivers/media/platform/s5p-fimc/fimc-lite.h b/drivers/media/platform/s5p-fimc/fimc-lite.h index 3081db35c5b..7085761f8c4 100644 --- a/drivers/media/platform/s5p-fimc/fimc-lite.h +++ b/drivers/media/platform/s5p-fimc/fimc-lite.h @@ -45,8 +45,9 @@ enum { }; #define FLITE_SD_PAD_SINK 0 -#define FLITE_SD_PAD_SOURCE 1 -#define FLITE_SD_PADS_NUM 2 +#define FLITE_SD_PAD_SOURCE_DMA 1 +#define FLITE_SD_PAD_SOURCE_ISP 2 +#define FLITE_SD_PADS_NUM 3 struct flite_variant { unsigned short max_width; @@ -104,6 +105,7 @@ struct flite_buffer { * @subdev: FIMC-LITE subdev * @vd_pad: media (sink) pad for the capture video node * @subdev_pads: the subdev media pads + * @sensor: sensor subdev attached to FIMC-LITE directly or through MIPI-CSIS * @ctrl_handler: v4l2 control handler * @test_pattern: test pattern controls * @index: FIMC-LITE platform device index @@ -139,6 +141,7 @@ struct fimc_lite { struct v4l2_subdev subdev; struct media_pad vd_pad; struct media_pad subdev_pads[FLITE_SD_PADS_NUM]; + struct v4l2_subdev *sensor; struct v4l2_ctrl_handler ctrl_handler; struct v4l2_ctrl *test_pattern; u32 index; @@ -156,7 +159,7 @@ struct fimc_lite { unsigned long payload[FLITE_MAX_PLANES]; struct flite_frame inp_frame; struct flite_frame out_frame; - enum fimc_datapath out_path; + atomic_t out_path; unsigned int source_subdev_grp_id; unsigned long state; diff --git a/drivers/media/platform/s5p-fimc/fimc-m2m.c b/drivers/media/platform/s5p-fimc/fimc-m2m.c index 1d21da4bd24..f3d535cdd87 100644 --- a/drivers/media/platform/s5p-fimc/fimc-m2m.c +++ b/drivers/media/platform/s5p-fimc/fimc-m2m.c @@ -1,8 +1,8 @@ /* * Samsung S5P/EXYNOS4 SoC series FIMC (video postprocessor) driver * - * Copyright (C) 2012 Samsung Electronics Co., Ltd. - * Sylwester Nawrocki, <s.nawrocki@samsung.com> + * Copyright (C) 2012 - 2013 Samsung Electronics Co., Ltd. + * Sylwester Nawrocki <s.nawrocki@samsung.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published @@ -160,8 +160,7 @@ static void fimc_device_run(void *priv) fimc_hw_set_output_addr(fimc, &df->paddr, -1); fimc_activate_capture(ctx); - ctx->state &= (FIMC_CTX_M2M | FIMC_CTX_CAP | - FIMC_SRC_FMT | FIMC_DST_FMT); + ctx->state &= (FIMC_CTX_M2M | FIMC_CTX_CAP); fimc_hw_activate_input_dma(fimc, true); dma_unlock: @@ -294,13 +293,14 @@ static int fimc_m2m_g_fmt_mplane(struct file *file, void *fh, if (IS_ERR(frame)) return PTR_ERR(frame); - return fimc_fill_format(frame, f); + __fimc_get_format(frame, f); + return 0; } static int fimc_try_fmt_mplane(struct fimc_ctx *ctx, struct v4l2_format *f) { struct fimc_dev *fimc = ctx->fimc_dev; - struct fimc_variant *variant = fimc->variant; + const struct fimc_variant *variant = fimc->variant; struct v4l2_pix_format_mplane *pix = &f->fmt.pix_mp; struct fimc_fmt *fmt; u32 max_w, mod_x, mod_y; @@ -308,8 +308,6 @@ static int fimc_try_fmt_mplane(struct fimc_ctx *ctx, struct v4l2_format *f) if (!IS_M2M(f->type)) return -EINVAL; - dbg("w: %d, h: %d", pix->width, pix->height); - fmt = fimc_find_format(&pix->pixelformat, NULL, get_m2m_fmt_flags(f->type), 0); if (WARN(fmt == NULL, "Pixel format lookup failed")) @@ -349,19 +347,39 @@ static int fimc_m2m_try_fmt_mplane(struct file *file, void *fh, struct v4l2_format *f) { struct fimc_ctx *ctx = fh_to_ctx(fh); - return fimc_try_fmt_mplane(ctx, f); } +static void __set_frame_format(struct fimc_frame *frame, struct fimc_fmt *fmt, + struct v4l2_pix_format_mplane *pixm) +{ + int i; + + for (i = 0; i < fmt->colplanes; i++) { + frame->bytesperline[i] = pixm->plane_fmt[i].bytesperline; + frame->payload[i] = pixm->plane_fmt[i].sizeimage; + } + + frame->f_width = pixm->width; + frame->f_height = pixm->height; + frame->o_width = pixm->width; + frame->o_height = pixm->height; + frame->width = pixm->width; + frame->height = pixm->height; + frame->offs_h = 0; + frame->offs_v = 0; + frame->fmt = fmt; +} + static int fimc_m2m_s_fmt_mplane(struct file *file, void *fh, struct v4l2_format *f) { struct fimc_ctx *ctx = fh_to_ctx(fh); struct fimc_dev *fimc = ctx->fimc_dev; + struct fimc_fmt *fmt; struct vb2_queue *vq; struct fimc_frame *frame; - struct v4l2_pix_format_mplane *pix; - int i, ret = 0; + int ret; ret = fimc_try_fmt_mplane(ctx, f); if (ret) @@ -379,31 +397,16 @@ static int fimc_m2m_s_fmt_mplane(struct file *file, void *fh, else frame = &ctx->d_frame; - pix = &f->fmt.pix_mp; - frame->fmt = fimc_find_format(&pix->pixelformat, NULL, - get_m2m_fmt_flags(f->type), 0); - if (!frame->fmt) + fmt = fimc_find_format(&f->fmt.pix_mp.pixelformat, NULL, + get_m2m_fmt_flags(f->type), 0); + if (!fmt) return -EINVAL; + __set_frame_format(frame, fmt, &f->fmt.pix_mp); + /* Update RGB Alpha control state and value range */ fimc_alpha_ctrl_update(ctx); - for (i = 0; i < frame->fmt->colplanes; i++) { - frame->payload[i] = - (pix->width * pix->height * frame->fmt->depth[i]) / 8; - } - - fimc_fill_frame(frame, f); - - ctx->scaler.enabled = 1; - - if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) - fimc_ctx_state_set(FIMC_PARAMS | FIMC_DST_FMT, ctx); - else - fimc_ctx_state_set(FIMC_PARAMS | FIMC_SRC_FMT, ctx); - - dbg("f_w: %d, f_h: %d", frame->f_width, frame->f_height); - return 0; } @@ -411,7 +414,6 @@ static int fimc_m2m_reqbufs(struct file *file, void *fh, struct v4l2_requestbuffers *reqbufs) { struct fimc_ctx *ctx = fh_to_ctx(fh); - return v4l2_m2m_reqbufs(file, ctx->m2m_ctx, reqbufs); } @@ -419,7 +421,6 @@ static int fimc_m2m_querybuf(struct file *file, void *fh, struct v4l2_buffer *buf) { struct fimc_ctx *ctx = fh_to_ctx(fh); - return v4l2_m2m_querybuf(file, ctx->m2m_ctx, buf); } @@ -427,7 +428,6 @@ static int fimc_m2m_qbuf(struct file *file, void *fh, struct v4l2_buffer *buf) { struct fimc_ctx *ctx = fh_to_ctx(fh); - return v4l2_m2m_qbuf(file, ctx->m2m_ctx, buf); } @@ -435,7 +435,6 @@ static int fimc_m2m_dqbuf(struct file *file, void *fh, struct v4l2_buffer *buf) { struct fimc_ctx *ctx = fh_to_ctx(fh); - return v4l2_m2m_dqbuf(file, ctx->m2m_ctx, buf); } @@ -443,7 +442,6 @@ static int fimc_m2m_expbuf(struct file *file, void *fh, struct v4l2_exportbuffer *eb) { struct fimc_ctx *ctx = fh_to_ctx(fh); - return v4l2_m2m_expbuf(file, ctx->m2m_ctx, eb); } @@ -452,15 +450,6 @@ static int fimc_m2m_streamon(struct file *file, void *fh, enum v4l2_buf_type type) { struct fimc_ctx *ctx = fh_to_ctx(fh); - - /* The source and target color format need to be set */ - if (V4L2_TYPE_IS_OUTPUT(type)) { - if (!fimc_ctx_state_is_set(FIMC_SRC_FMT, ctx)) - return -EINVAL; - } else if (!fimc_ctx_state_is_set(FIMC_DST_FMT, ctx)) { - return -EINVAL; - } - return v4l2_m2m_streamon(file, ctx->m2m_ctx, type); } @@ -468,7 +457,6 @@ static int fimc_m2m_streamoff(struct file *file, void *fh, enum v4l2_buf_type type) { struct fimc_ctx *ctx = fh_to_ctx(fh); - return v4l2_m2m_streamoff(file, ctx->m2m_ctx, type); } @@ -576,20 +564,18 @@ static int fimc_m2m_s_crop(struct file *file, void *fh, const struct v4l2_crop * &ctx->s_frame : &ctx->d_frame; /* Check to see if scaling ratio is within supported range */ - if (fimc_ctx_state_is_set(FIMC_DST_FMT | FIMC_SRC_FMT, ctx)) { - if (cr.type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { - ret = fimc_check_scaler_ratio(ctx, cr.c.width, - cr.c.height, ctx->d_frame.width, - ctx->d_frame.height, ctx->rotation); - } else { - ret = fimc_check_scaler_ratio(ctx, ctx->s_frame.width, - ctx->s_frame.height, cr.c.width, - cr.c.height, ctx->rotation); - } - if (ret) { - v4l2_err(&fimc->m2m.vfd, "Out of scaler range\n"); - return -EINVAL; - } + if (cr.type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { + ret = fimc_check_scaler_ratio(ctx, cr.c.width, + cr.c.height, ctx->d_frame.width, + ctx->d_frame.height, ctx->rotation); + } else { + ret = fimc_check_scaler_ratio(ctx, ctx->s_frame.width, + ctx->s_frame.height, cr.c.width, + cr.c.height, ctx->rotation); + } + if (ret) { + v4l2_err(&fimc->m2m.vfd, "Out of scaler range\n"); + return -EINVAL; } f->offs_h = cr.c.left; @@ -652,6 +638,29 @@ static int queue_init(void *priv, struct vb2_queue *src_vq, return vb2_queue_init(dst_vq); } +static int fimc_m2m_set_default_format(struct fimc_ctx *ctx) +{ + struct v4l2_pix_format_mplane pixm = { + .pixelformat = V4L2_PIX_FMT_RGB32, + .width = 800, + .height = 600, + .plane_fmt[0] = { + .bytesperline = 800 * 4, + .sizeimage = 800 * 4 * 600, + }, + }; + struct fimc_fmt *fmt; + + fmt = fimc_find_format(&pixm.pixelformat, NULL, FMT_FLAGS_M2M, 0); + if (!fmt) + return -EINVAL; + + __set_frame_format(&ctx->s_frame, fmt, &pixm); + __set_frame_format(&ctx->d_frame, fmt, &pixm); + + return 0; +} + static int fimc_m2m_open(struct file *file) { struct fimc_dev *fimc = video_drvdata(file); @@ -696,6 +705,7 @@ static int fimc_m2m_open(struct file *file) ctx->flags = 0; ctx->in_path = FIMC_IO_DMA; ctx->out_path = FIMC_IO_DMA; + ctx->scaler.enabled = 1; ctx->m2m_ctx = v4l2_m2m_ctx_init(fimc->m2m.m2m_dev, ctx, queue_init); if (IS_ERR(ctx->m2m_ctx)) { @@ -706,9 +716,15 @@ static int fimc_m2m_open(struct file *file) if (fimc->m2m.refcnt++ == 0) set_bit(ST_M2M_RUN, &fimc->state); + ret = fimc_m2m_set_default_format(ctx); + if (ret < 0) + goto error_m2m_ctx; + mutex_unlock(&fimc->lock); return 0; +error_m2m_ctx: + v4l2_m2m_ctx_release(ctx->m2m_ctx); error_c: fimc_ctrls_delete(ctx); error_fh: diff --git a/drivers/media/platform/s5p-fimc/fimc-mdevice.c b/drivers/media/platform/s5p-fimc/fimc-mdevice.c index b4a68ecf0ca..a17fcb2d5d4 100644 --- a/drivers/media/platform/s5p-fimc/fimc-mdevice.c +++ b/drivers/media/platform/s5p-fimc/fimc-mdevice.c @@ -1,8 +1,8 @@ /* * S5P/EXYNOS4 SoC series camera host interface media device driver * - * Copyright (C) 2011 Samsung Electronics Co., Ltd. - * Contact: Sylwester Nawrocki, <s.nawrocki@samsung.com> + * Copyright (C) 2011 - 2012 Samsung Electronics Co., Ltd. + * Sylwester Nawrocki <s.nawrocki@samsung.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published @@ -62,16 +62,17 @@ static void fimc_pipeline_prepare(struct fimc_pipeline *p, sd = media_entity_to_v4l2_subdev(pad->entity); switch (sd->grp_id) { - case SENSOR_GROUP_ID: + case GRP_ID_FIMC_IS_SENSOR: + case GRP_ID_SENSOR: p->subdevs[IDX_SENSOR] = sd; break; - case CSIS_GROUP_ID: + case GRP_ID_CSIS: p->subdevs[IDX_CSIS] = sd; break; - case FLITE_GROUP_ID: + case GRP_ID_FLITE: p->subdevs[IDX_FLITE] = sd; break; - case FIMC_GROUP_ID: + case GRP_ID_FIMC: /* No need to control FIMC subdev through subdev ops */ break; default: @@ -141,7 +142,7 @@ static int fimc_pipeline_s_power(struct fimc_pipeline *p, bool state) * @me: media entity to start graph walk with * @prep: true to acquire sensor (and csis) subdevs * - * This function must be called with the graph mutex held. + * Called with the graph mutex held. */ static int __fimc_pipeline_open(struct fimc_pipeline *p, struct media_entity *me, bool prep) @@ -161,30 +162,19 @@ static int __fimc_pipeline_open(struct fimc_pipeline *p, return fimc_pipeline_s_power(p, 1); } -static int fimc_pipeline_open(struct fimc_pipeline *p, - struct media_entity *me, bool prep) -{ - int ret; - - mutex_lock(&me->parent->graph_mutex); - ret = __fimc_pipeline_open(p, me, prep); - mutex_unlock(&me->parent->graph_mutex); - - return ret; -} - /** * __fimc_pipeline_close - disable the sensor clock and pipeline power * @fimc: fimc device terminating the pipeline * - * Disable power of all subdevs in the pipeline and turn off the external - * sensor clock. - * Called with the graph mutex held. + * Disable power of all subdevs and turn the external sensor clock off. */ static int __fimc_pipeline_close(struct fimc_pipeline *p) { int ret = 0; + if (!p || !p->subdevs[IDX_SENSOR]) + return -EINVAL; + if (p->subdevs[IDX_SENSOR]) { ret = fimc_pipeline_s_power(p, 0); fimc_md_set_camclk(p->subdevs[IDX_SENSOR], false); @@ -192,28 +182,12 @@ static int __fimc_pipeline_close(struct fimc_pipeline *p) return ret == -ENXIO ? 0 : ret; } -static int fimc_pipeline_close(struct fimc_pipeline *p) -{ - struct media_entity *me; - int ret; - - if (!p || !p->subdevs[IDX_SENSOR]) - return -EINVAL; - - me = &p->subdevs[IDX_SENSOR]->entity; - mutex_lock(&me->parent->graph_mutex); - ret = __fimc_pipeline_close(p); - mutex_unlock(&me->parent->graph_mutex); - - return ret; -} - /** - * fimc_pipeline_s_stream - invoke s_stream on pipeline subdevs + * __fimc_pipeline_s_stream - invoke s_stream on pipeline subdevs * @pipeline: video pipeline structure * @on: passed as the s_stream call argument */ -static int fimc_pipeline_s_stream(struct fimc_pipeline *p, bool on) +static int __fimc_pipeline_s_stream(struct fimc_pipeline *p, bool on) { int i, ret; @@ -235,9 +209,9 @@ static int fimc_pipeline_s_stream(struct fimc_pipeline *p, bool on) /* Media pipeline operations for the FIMC/FIMC-LITE video device driver */ static const struct fimc_pipeline_ops fimc_pipeline_ops = { - .open = fimc_pipeline_open, - .close = fimc_pipeline_close, - .set_stream = fimc_pipeline_s_stream, + .open = __fimc_pipeline_open, + .close = __fimc_pipeline_close, + .set_stream = __fimc_pipeline_s_stream, }; /* @@ -269,7 +243,7 @@ static struct v4l2_subdev *fimc_md_register_sensor(struct fimc_md *fmd, return ERR_PTR(-EPROBE_DEFER); } v4l2_set_subdev_hostdata(sd, s_info); - sd->grp_id = SENSOR_GROUP_ID; + sd->grp_id = GRP_ID_SENSOR; v4l2_info(&fmd->v4l2_dev, "Registered sensor subdevice %s\n", s_info->pdata.board_info->type); @@ -316,7 +290,7 @@ static int fimc_md_register_sensor_entities(struct fimc_md *fmd) for (i = 0; i < num_clients; i++) { struct v4l2_subdev *sd; - fmd->sensor[i].pdata = pdata->isp_info[i]; + fmd->sensor[i].pdata = pdata->source_info[i]; ret = __fimc_md_set_camclk(fmd, &fmd->sensor[i], true); if (ret) break; @@ -338,138 +312,149 @@ static int fimc_md_register_sensor_entities(struct fimc_md *fmd) } /* - * MIPI CSIS and FIMC platform devices registration. + * MIPI-CSIS, FIMC and FIMC-LITE platform devices registration. */ -static int fimc_register_callback(struct device *dev, void *p) + +static int register_fimc_lite_entity(struct fimc_md *fmd, + struct fimc_lite *fimc_lite) { - struct fimc_dev *fimc = dev_get_drvdata(dev); struct v4l2_subdev *sd; - struct fimc_md *fmd = p; int ret; - if (fimc == NULL || fimc->id >= FIMC_MAX_DEVS) - return 0; + if (WARN_ON(fimc_lite->index >= FIMC_LITE_MAX_DEVS || + fmd->fimc_lite[fimc_lite->index])) + return -EBUSY; - sd = &fimc->vid_cap.subdev; - sd->grp_id = FIMC_GROUP_ID; + sd = &fimc_lite->subdev; + sd->grp_id = GRP_ID_FLITE; v4l2_set_subdev_hostdata(sd, (void *)&fimc_pipeline_ops); ret = v4l2_device_register_subdev(&fmd->v4l2_dev, sd); - if (ret) { - v4l2_err(&fmd->v4l2_dev, "Failed to register FIMC.%d (%d)\n", - fimc->id, ret); - return ret; - } - - fmd->fimc[fimc->id] = fimc; - return 0; + if (!ret) + fmd->fimc_lite[fimc_lite->index] = fimc_lite; + else + v4l2_err(&fmd->v4l2_dev, "Failed to register FIMC.LITE%d\n", + fimc_lite->index); + return ret; } -static int fimc_lite_register_callback(struct device *dev, void *p) +static int register_fimc_entity(struct fimc_md *fmd, struct fimc_dev *fimc) { - struct fimc_lite *fimc = dev_get_drvdata(dev); - struct fimc_md *fmd = p; + struct v4l2_subdev *sd; int ret; - if (fimc == NULL || fimc->index >= FIMC_LITE_MAX_DEVS) - return 0; + if (WARN_ON(fimc->id >= FIMC_MAX_DEVS || fmd->fimc[fimc->id])) + return -EBUSY; - fimc->subdev.grp_id = FLITE_GROUP_ID; - v4l2_set_subdev_hostdata(&fimc->subdev, (void *)&fimc_pipeline_ops); + sd = &fimc->vid_cap.subdev; + sd->grp_id = GRP_ID_FIMC; + v4l2_set_subdev_hostdata(sd, (void *)&fimc_pipeline_ops); - ret = v4l2_device_register_subdev(&fmd->v4l2_dev, &fimc->subdev); - if (ret) { - v4l2_err(&fmd->v4l2_dev, - "Failed to register FIMC-LITE.%d (%d)\n", - fimc->index, ret); - return ret; + ret = v4l2_device_register_subdev(&fmd->v4l2_dev, sd); + if (!ret) { + fmd->fimc[fimc->id] = fimc; + fimc->vid_cap.user_subdev_api = fmd->user_subdev_api; + } else { + v4l2_err(&fmd->v4l2_dev, "Failed to register FIMC.%d (%d)\n", + fimc->id, ret); } - - fmd->fimc_lite[fimc->index] = fimc; - return 0; + return ret; } -static int csis_register_callback(struct device *dev, void *p) +static int register_csis_entity(struct fimc_md *fmd, + struct platform_device *pdev, + struct v4l2_subdev *sd) { - struct v4l2_subdev *sd = dev_get_drvdata(dev); - struct platform_device *pdev; - struct fimc_md *fmd = p; + struct device_node *node = pdev->dev.of_node; int id, ret; - if (!sd) - return 0; - pdev = v4l2_get_subdevdata(sd); - if (!pdev || pdev->id < 0 || pdev->id >= CSIS_MAX_ENTITIES) - return 0; - v4l2_info(sd, "csis%d sd: %s\n", pdev->id, sd->name); + id = node ? of_alias_get_id(node, "csis") : max(0, pdev->id); + + if (WARN_ON(id >= CSIS_MAX_ENTITIES || fmd->csis[id].sd)) + return -EBUSY; - id = pdev->id < 0 ? 0 : pdev->id; - sd->grp_id = CSIS_GROUP_ID; + if (WARN_ON(id >= CSIS_MAX_ENTITIES)) + return 0; + sd->grp_id = GRP_ID_CSIS; ret = v4l2_device_register_subdev(&fmd->v4l2_dev, sd); if (!ret) fmd->csis[id].sd = sd; else v4l2_err(&fmd->v4l2_dev, - "Failed to register CSIS subdevice: %d\n", ret); + "Failed to register MIPI-CSIS.%d (%d)\n", id, ret); return ret; } -/** - * fimc_md_register_platform_entities - register FIMC and CSIS media entities - */ -static int fimc_md_register_platform_entities(struct fimc_md *fmd) +static int fimc_md_register_platform_entity(struct fimc_md *fmd, + struct platform_device *pdev, + int plat_entity) { - struct s5p_platform_fimc *pdata = fmd->pdev->dev.platform_data; - struct device_driver *driver; - int ret, i; - - driver = driver_find(FIMC_MODULE_NAME, &platform_bus_type); - if (!driver) { - v4l2_warn(&fmd->v4l2_dev, - "%s driver not found, deffering probe\n", - FIMC_MODULE_NAME); - return -EPROBE_DEFER; - } - - ret = driver_for_each_device(driver, NULL, fmd, - fimc_register_callback); - if (ret) - return ret; - - driver = driver_find(FIMC_LITE_DRV_NAME, &platform_bus_type); - if (driver && try_module_get(driver->owner)) { - ret = driver_for_each_device(driver, NULL, fmd, - fimc_lite_register_callback); - if (ret) - return ret; - module_put(driver->owner); - } - /* - * Check if there is any sensor on the MIPI-CSI2 bus and - * if not skip the s5p-csis module loading. - */ - if (pdata == NULL) - return 0; - for (i = 0; i < pdata->num_clients; i++) { - if (pdata->isp_info[i].bus_type == FIMC_MIPI_CSI2) { - ret = 1; + struct device *dev = &pdev->dev; + int ret = -EPROBE_DEFER; + void *drvdata; + + /* Lock to ensure dev->driver won't change. */ + device_lock(dev); + + if (!dev->driver || !try_module_get(dev->driver->owner)) + goto dev_unlock; + + drvdata = dev_get_drvdata(dev); + /* Some subdev didn't probe succesfully id drvdata is NULL */ + if (drvdata) { + switch (plat_entity) { + case IDX_FIMC: + ret = register_fimc_entity(fmd, drvdata); break; + case IDX_FLITE: + ret = register_fimc_lite_entity(fmd, drvdata); + break; + case IDX_CSIS: + ret = register_csis_entity(fmd, pdev, drvdata); + break; + default: + ret = -ENODEV; } } - if (!ret) - return 0; - driver = driver_find(CSIS_DRIVER_NAME, &platform_bus_type); - if (!driver || !try_module_get(driver->owner)) { - v4l2_warn(&fmd->v4l2_dev, - "%s driver not found, deffering probe\n", - CSIS_DRIVER_NAME); - return -EPROBE_DEFER; + module_put(dev->driver->owner); +dev_unlock: + device_unlock(dev); + if (ret == -EPROBE_DEFER) + dev_info(&fmd->pdev->dev, "deferring %s device registration\n", + dev_name(dev)); + else if (ret < 0) + dev_err(&fmd->pdev->dev, "%s device registration failed (%d)\n", + dev_name(dev), ret); + return ret; +} + +static int fimc_md_pdev_match(struct device *dev, void *data) +{ + struct platform_device *pdev = to_platform_device(dev); + int plat_entity = -1; + int ret; + char *p; + + if (!get_device(dev)) + return -ENODEV; + + if (!strcmp(pdev->name, CSIS_DRIVER_NAME)) { + plat_entity = IDX_CSIS; + } else if (!strcmp(pdev->name, FIMC_LITE_DRV_NAME)) { + plat_entity = IDX_FLITE; + } else { + p = strstr(pdev->name, "fimc"); + if (p && *(p + 4) == 0) + plat_entity = IDX_FIMC; } - return driver_for_each_device(driver, NULL, fmd, - csis_register_callback); + if (plat_entity >= 0) + ret = fimc_md_register_platform_entity(data, pdev, + plat_entity); + put_device(dev); + return 0; } static void fimc_md_unregister_entities(struct fimc_md *fmd) @@ -487,7 +472,7 @@ static void fimc_md_unregister_entities(struct fimc_md *fmd) if (fmd->fimc_lite[i] == NULL) continue; v4l2_device_unregister_subdev(&fmd->fimc_lite[i]->subdev); - fmd->fimc[i]->pipeline_ops = NULL; + fmd->fimc_lite[i]->pipeline_ops = NULL; fmd->fimc_lite[i] = NULL; } for (i = 0; i < CSIS_MAX_ENTITIES; i++) { @@ -503,6 +488,7 @@ static void fimc_md_unregister_entities(struct fimc_md *fmd) fimc_md_unregister_sensor(fmd->sensor[i].subdev); fmd->sensor[i].subdev = NULL; } + v4l2_info(&fmd->v4l2_dev, "Unregistered all entities\n"); } /** @@ -518,7 +504,7 @@ static int __fimc_md_create_fimc_sink_links(struct fimc_md *fmd, struct v4l2_subdev *sensor, int pad, int link_mask) { - struct fimc_sensor_info *s_info; + struct fimc_sensor_info *s_info = NULL; struct media_entity *sink; unsigned int flags = 0; int ret, i; @@ -582,7 +568,7 @@ static int __fimc_md_create_fimc_sink_links(struct fimc_md *fmd, if (ret) break; - v4l2_info(&fmd->v4l2_dev, "created link [%s] %c> [%s]", + v4l2_info(&fmd->v4l2_dev, "created link [%s] %c> [%s]\n", source->name, flags ? '=' : '-', sink->name); } return 0; @@ -602,7 +588,7 @@ static int __fimc_md_create_flite_source_links(struct fimc_md *fmd) source = &fimc->subdev.entity; sink = &fimc->vfd.entity; /* FIMC-LITE's subdev and video node */ - ret = media_entity_create_link(source, FIMC_SD_PAD_SOURCE, + ret = media_entity_create_link(source, FLITE_SD_PAD_SOURCE_DMA, sink, 0, flags); if (ret) break; @@ -626,9 +612,9 @@ static int __fimc_md_create_flite_source_links(struct fimc_md *fmd) */ static int fimc_md_create_links(struct fimc_md *fmd) { - struct v4l2_subdev *csi_sensors[2] = { NULL }; + struct v4l2_subdev *csi_sensors[CSIS_MAX_ENTITIES] = { NULL }; struct v4l2_subdev *sensor, *csis; - struct s5p_fimc_isp_info *pdata; + struct fimc_source_info *pdata; struct fimc_sensor_info *s_info; struct media_entity *source, *sink; int i, pad, fimc_id = 0, ret = 0; @@ -646,8 +632,8 @@ static int fimc_md_create_links(struct fimc_md *fmd) source = NULL; pdata = &s_info->pdata; - switch (pdata->bus_type) { - case FIMC_MIPI_CSI2: + switch (pdata->sensor_bus_type) { + case FIMC_BUS_TYPE_MIPI_CSI2: if (WARN(pdata->mux_id >= CSIS_MAX_ENTITIES, "Wrong CSI channel id: %d\n", pdata->mux_id)) return -EINVAL; @@ -658,28 +644,29 @@ static int fimc_md_create_links(struct fimc_md *fmd) "but s5p-csis module is not loaded!\n")) return -EINVAL; - ret = media_entity_create_link(&sensor->entity, 0, + pad = sensor->entity.num_pads - 1; + ret = media_entity_create_link(&sensor->entity, pad, &csis->entity, CSIS_PAD_SINK, MEDIA_LNK_FL_IMMUTABLE | MEDIA_LNK_FL_ENABLED); if (ret) return ret; - v4l2_info(&fmd->v4l2_dev, "created link [%s] => [%s]", + v4l2_info(&fmd->v4l2_dev, "created link [%s] => [%s]\n", sensor->entity.name, csis->entity.name); source = NULL; csi_sensors[pdata->mux_id] = sensor; break; - case FIMC_ITU_601...FIMC_ITU_656: + case FIMC_BUS_TYPE_ITU_601...FIMC_BUS_TYPE_ITU_656: source = &sensor->entity; pad = 0; break; default: v4l2_err(&fmd->v4l2_dev, "Wrong bus_type: %x\n", - pdata->bus_type); + pdata->sensor_bus_type); return -EINVAL; } if (source == NULL) @@ -690,7 +677,7 @@ static int fimc_md_create_links(struct fimc_md *fmd) pad, link_mask); } - for (i = 0; i < ARRAY_SIZE(fmd->csis); i++) { + for (i = 0; i < CSIS_MAX_ENTITIES; i++) { if (fmd->csis[i].sd == NULL) continue; source = &fmd->csis[i].sd->entity; @@ -721,42 +708,61 @@ static int fimc_md_create_links(struct fimc_md *fmd) /* * The peripheral sensor clock management. */ +static void fimc_md_put_clocks(struct fimc_md *fmd) +{ + int i = FIMC_MAX_CAMCLKS; + + while (--i >= 0) { + if (IS_ERR(fmd->camclk[i].clock)) + continue; + clk_unprepare(fmd->camclk[i].clock); + clk_put(fmd->camclk[i].clock); + fmd->camclk[i].clock = ERR_PTR(-EINVAL); + } +} + static int fimc_md_get_clocks(struct fimc_md *fmd) { + struct device *dev = NULL; char clk_name[32]; struct clk *clock; - int i; + int ret, i; + + for (i = 0; i < FIMC_MAX_CAMCLKS; i++) + fmd->camclk[i].clock = ERR_PTR(-EINVAL); + + if (fmd->pdev->dev.of_node) + dev = &fmd->pdev->dev; for (i = 0; i < FIMC_MAX_CAMCLKS; i++) { snprintf(clk_name, sizeof(clk_name), "sclk_cam%u", i); - clock = clk_get(NULL, clk_name); - if (IS_ERR_OR_NULL(clock)) { - v4l2_err(&fmd->v4l2_dev, "Failed to get clock: %s", - clk_name); - return -ENXIO; + clock = clk_get(dev, clk_name); + + if (IS_ERR(clock)) { + dev_err(&fmd->pdev->dev, "Failed to get clock: %s\n", + clk_name); + ret = PTR_ERR(clock); + break; + } + ret = clk_prepare(clock); + if (ret < 0) { + clk_put(clock); + fmd->camclk[i].clock = ERR_PTR(-EINVAL); + break; } fmd->camclk[i].clock = clock; } - return 0; -} - -static void fimc_md_put_clocks(struct fimc_md *fmd) -{ - int i = FIMC_MAX_CAMCLKS; + if (ret) + fimc_md_put_clocks(fmd); - while (--i >= 0) { - if (IS_ERR_OR_NULL(fmd->camclk[i].clock)) - continue; - clk_put(fmd->camclk[i].clock); - fmd->camclk[i].clock = NULL; - } + return ret; } static int __fimc_md_set_camclk(struct fimc_md *fmd, struct fimc_sensor_info *s_info, bool on) { - struct s5p_fimc_isp_info *pdata = &s_info->pdata; + struct fimc_source_info *pdata = &s_info->pdata; struct fimc_camclk_info *camclk; int ret = 0; @@ -820,7 +826,9 @@ static int fimc_md_link_notify(struct media_pad *source, struct fimc_dev *fimc = NULL; struct fimc_pipeline *pipeline; struct v4l2_subdev *sd; + struct mutex *lock; int ret = 0; + int ref_count; if (media_entity_type(sink->entity) != MEDIA_ENT_T_V4L2_SUBDEV) return 0; @@ -828,28 +836,33 @@ static int fimc_md_link_notify(struct media_pad *source, sd = media_entity_to_v4l2_subdev(sink->entity); switch (sd->grp_id) { - case FLITE_GROUP_ID: + case GRP_ID_FLITE: fimc_lite = v4l2_get_subdevdata(sd); + if (WARN_ON(fimc_lite == NULL)) + return 0; pipeline = &fimc_lite->pipeline; + lock = &fimc_lite->lock; break; - case FIMC_GROUP_ID: + case GRP_ID_FIMC: fimc = v4l2_get_subdevdata(sd); + if (WARN_ON(fimc == NULL)) + return 0; pipeline = &fimc->pipeline; + lock = &fimc->lock; break; default: return 0; } if (!(flags & MEDIA_LNK_FL_ENABLED)) { + int i; + mutex_lock(lock); ret = __fimc_pipeline_close(pipeline); - pipeline->subdevs[IDX_SENSOR] = NULL; - pipeline->subdevs[IDX_CSIS] = NULL; - - if (fimc) { - mutex_lock(&fimc->lock); + for (i = 0; i < IDX_MAX; i++) + pipeline->subdevs[i] = NULL; + if (fimc) fimc_ctrls_delete(fimc->vid_cap.ctx); - mutex_unlock(&fimc->lock); - } + mutex_unlock(lock); return ret; } /* @@ -857,23 +870,15 @@ static int fimc_md_link_notify(struct media_pad *source, * pipeline is already in use, i.e. its video node is opened. * Recreate the controls destroyed during the link deactivation. */ - if (fimc) { - mutex_lock(&fimc->lock); - if (fimc->vid_cap.refcnt > 0) { - ret = __fimc_pipeline_open(pipeline, - source->entity, true); - if (!ret) - ret = fimc_capture_ctrls_create(fimc); - } - mutex_unlock(&fimc->lock); - } else { - mutex_lock(&fimc_lite->lock); - if (fimc_lite->ref_count > 0) { - ret = __fimc_pipeline_open(pipeline, - source->entity, true); - } - mutex_unlock(&fimc_lite->lock); - } + mutex_lock(lock); + + ref_count = fimc ? fimc->vid_cap.refcnt : fimc_lite->ref_count; + if (ref_count > 0) + ret = __fimc_pipeline_open(pipeline, source->entity, true); + if (!ret && fimc) + ret = fimc_capture_ctrls_create(fimc); + + mutex_unlock(lock); return ret ? -EPIPE : ret; } @@ -965,7 +970,8 @@ static int fimc_md_probe(struct platform_device *pdev) /* Protect the media graph while we're registering entities */ mutex_lock(&fmd->media_dev.graph_mutex); - ret = fimc_md_register_platform_entities(fmd); + ret = bus_for_each_dev(&platform_bus_type, NULL, fmd, + fimc_md_pdev_match); if (ret) goto err_unlock; diff --git a/drivers/media/platform/s5p-fimc/fimc-mdevice.h b/drivers/media/platform/s5p-fimc/fimc-mdevice.h index 2d8d41d8262..06b0d8276fd 100644 --- a/drivers/media/platform/s5p-fimc/fimc-mdevice.h +++ b/drivers/media/platform/s5p-fimc/fimc-mdevice.h @@ -22,11 +22,13 @@ #include "mipi-csis.h" /* Group IDs of sensor, MIPI-CSIS, FIMC-LITE and the writeback subdevs. */ -#define SENSOR_GROUP_ID (1 << 8) -#define CSIS_GROUP_ID (1 << 9) -#define WRITEBACK_GROUP_ID (1 << 10) -#define FIMC_GROUP_ID (1 << 11) -#define FLITE_GROUP_ID (1 << 12) +#define GRP_ID_SENSOR (1 << 8) +#define GRP_ID_FIMC_IS_SENSOR (1 << 9) +#define GRP_ID_WRITEBACK (1 << 10) +#define GRP_ID_CSIS (1 << 11) +#define GRP_ID_FIMC (1 << 12) +#define GRP_ID_FLITE (1 << 13) +#define GRP_ID_FIMC_IS (1 << 14) #define FIMC_MAX_SENSORS 8 #define FIMC_MAX_CAMCLKS 2 @@ -51,7 +53,7 @@ struct fimc_camclk_info { * This data structure applies to image sensor and the writeback subdevs. */ struct fimc_sensor_info { - struct s5p_fimc_isp_info pdata; + struct fimc_source_info pdata; struct v4l2_subdev *subdev; struct fimc_dev *host; }; diff --git a/drivers/media/platform/s5p-fimc/fimc-reg.c b/drivers/media/platform/s5p-fimc/fimc-reg.c index 2c9d0c06c9e..50b97c75b95 100644 --- a/drivers/media/platform/s5p-fimc/fimc-reg.c +++ b/drivers/media/platform/s5p-fimc/fimc-reg.c @@ -44,9 +44,9 @@ static u32 fimc_hw_get_in_flip(struct fimc_ctx *ctx) u32 flip = FIMC_REG_MSCTRL_FLIP_NORMAL; if (ctx->hflip) - flip = FIMC_REG_MSCTRL_FLIP_X_MIRROR; - if (ctx->vflip) flip = FIMC_REG_MSCTRL_FLIP_Y_MIRROR; + if (ctx->vflip) + flip = FIMC_REG_MSCTRL_FLIP_X_MIRROR; if (ctx->rotation <= 90) return flip; @@ -59,9 +59,9 @@ static u32 fimc_hw_get_target_flip(struct fimc_ctx *ctx) u32 flip = FIMC_REG_CITRGFMT_FLIP_NORMAL; if (ctx->hflip) - flip |= FIMC_REG_CITRGFMT_FLIP_X_MIRROR; - if (ctx->vflip) flip |= FIMC_REG_CITRGFMT_FLIP_Y_MIRROR; + if (ctx->vflip) + flip |= FIMC_REG_CITRGFMT_FLIP_X_MIRROR; if (ctx->rotation <= 90) return flip; @@ -312,7 +312,7 @@ static void fimc_hw_set_scaler(struct fimc_ctx *ctx) void fimc_hw_set_mainscaler(struct fimc_ctx *ctx) { struct fimc_dev *dev = ctx->fimc_dev; - struct fimc_variant *variant = dev->variant; + const struct fimc_variant *variant = dev->variant; struct fimc_scaler *sc = &ctx->scaler; u32 cfg; @@ -344,30 +344,31 @@ void fimc_hw_set_mainscaler(struct fimc_ctx *ctx) } } -void fimc_hw_en_capture(struct fimc_ctx *ctx) +void fimc_hw_enable_capture(struct fimc_ctx *ctx) { struct fimc_dev *dev = ctx->fimc_dev; + u32 cfg; - u32 cfg = readl(dev->regs + FIMC_REG_CIIMGCPT); - - if (ctx->out_path == FIMC_IO_DMA) { - /* one shot mode */ - cfg |= FIMC_REG_CIIMGCPT_CPT_FREN_ENABLE | - FIMC_REG_CIIMGCPT_IMGCPTEN; - } else { - /* Continuous frame capture mode (freerun). */ - cfg &= ~(FIMC_REG_CIIMGCPT_CPT_FREN_ENABLE | - FIMC_REG_CIIMGCPT_CPT_FRMOD_CNT); - cfg |= FIMC_REG_CIIMGCPT_IMGCPTEN; - } + cfg = readl(dev->regs + FIMC_REG_CIIMGCPT); + cfg |= FIMC_REG_CIIMGCPT_CPT_FREN_ENABLE; if (ctx->scaler.enabled) cfg |= FIMC_REG_CIIMGCPT_IMGCPTEN_SC; + else + cfg &= FIMC_REG_CIIMGCPT_IMGCPTEN_SC; cfg |= FIMC_REG_CIIMGCPT_IMGCPTEN; writel(cfg, dev->regs + FIMC_REG_CIIMGCPT); } +void fimc_hw_disable_capture(struct fimc_dev *dev) +{ + u32 cfg = readl(dev->regs + FIMC_REG_CIIMGCPT); + cfg &= ~(FIMC_REG_CIIMGCPT_IMGCPTEN | + FIMC_REG_CIIMGCPT_IMGCPTEN_SC); + writel(cfg, dev->regs + FIMC_REG_CIIMGCPT); +} + void fimc_hw_set_effect(struct fimc_ctx *ctx) { struct fimc_dev *dev = ctx->fimc_dev; @@ -553,7 +554,7 @@ void fimc_hw_set_output_addr(struct fimc_dev *dev, } int fimc_hw_set_camera_polarity(struct fimc_dev *fimc, - struct s5p_fimc_isp_info *cam) + struct fimc_source_info *cam) { u32 cfg = readl(fimc->regs + FIMC_REG_CIGCTRL); @@ -595,14 +596,15 @@ static const struct mbus_pixfmt_desc pix_desc[] = { }; int fimc_hw_set_camera_source(struct fimc_dev *fimc, - struct s5p_fimc_isp_info *cam) + struct fimc_source_info *source) { struct fimc_frame *f = &fimc->vid_cap.ctx->s_frame; - u32 cfg = 0; - u32 bus_width; + u32 bus_width, cfg = 0; int i; - if (cam->bus_type == FIMC_ITU_601 || cam->bus_type == FIMC_ITU_656) { + switch (source->fimc_bus_type) { + case FIMC_BUS_TYPE_ITU_601: + case FIMC_BUS_TYPE_ITU_656: for (i = 0; i < ARRAY_SIZE(pix_desc); i++) { if (fimc->vid_cap.mf.code == pix_desc[i].pixelcode) { cfg = pix_desc[i].cisrcfmt; @@ -618,15 +620,17 @@ int fimc_hw_set_camera_source(struct fimc_dev *fimc, return -EINVAL; } - if (cam->bus_type == FIMC_ITU_601) { + if (source->fimc_bus_type == FIMC_BUS_TYPE_ITU_601) { if (bus_width == 8) cfg |= FIMC_REG_CISRCFMT_ITU601_8BIT; else if (bus_width == 16) cfg |= FIMC_REG_CISRCFMT_ITU601_16BIT; } /* else defaults to ITU-R BT.656 8-bit */ - } else if (cam->bus_type == FIMC_MIPI_CSI2) { + break; + case FIMC_BUS_TYPE_MIPI_CSI2: if (fimc_fmt_is_user_defined(f->fmt->color)) cfg |= FIMC_REG_CISRCFMT_ITU601_8BIT; + break; } cfg |= (f->o_width << 16) | f->o_height; @@ -654,7 +658,7 @@ void fimc_hw_set_camera_offset(struct fimc_dev *fimc, struct fimc_frame *f) } int fimc_hw_set_camera_type(struct fimc_dev *fimc, - struct s5p_fimc_isp_info *cam) + struct fimc_source_info *source) { u32 cfg, tmp; struct fimc_vid_cap *vid_cap = &fimc->vid_cap; @@ -667,11 +671,11 @@ int fimc_hw_set_camera_type(struct fimc_dev *fimc, FIMC_REG_CIGCTRL_SELCAM_MIPI | FIMC_REG_CIGCTRL_CAMIF_SELWB | FIMC_REG_CIGCTRL_SELCAM_MIPI_A | FIMC_REG_CIGCTRL_CAM_JPEG); - switch (cam->bus_type) { - case FIMC_MIPI_CSI2: + switch (source->fimc_bus_type) { + case FIMC_BUS_TYPE_MIPI_CSI2: cfg |= FIMC_REG_CIGCTRL_SELCAM_MIPI; - if (cam->mux_id == 0) + if (source->mux_id == 0) cfg |= FIMC_REG_CIGCTRL_SELCAM_MIPI_A; /* TODO: add remaining supported formats. */ @@ -694,15 +698,16 @@ int fimc_hw_set_camera_type(struct fimc_dev *fimc, writel(tmp, fimc->regs + FIMC_REG_CSIIMGFMT); break; - case FIMC_ITU_601...FIMC_ITU_656: - if (cam->mux_id == 0) /* ITU-A, ITU-B: 0, 1 */ + case FIMC_BUS_TYPE_ITU_601...FIMC_BUS_TYPE_ITU_656: + if (source->mux_id == 0) /* ITU-A, ITU-B: 0, 1 */ cfg |= FIMC_REG_CIGCTRL_SELCAM_ITU_A; break; - case FIMC_LCD_WB: + case FIMC_BUS_TYPE_LCD_WRITEBACK_A: cfg |= FIMC_REG_CIGCTRL_CAMIF_SELWB; break; default: - v4l2_err(&vid_cap->vfd, "Invalid camera bus type selected\n"); + v4l2_err(&vid_cap->vfd, "Invalid FIMC bus type selected: %d\n", + source->fimc_bus_type); return -EINVAL; } writel(cfg, fimc->regs + FIMC_REG_CIGCTRL); @@ -737,13 +742,6 @@ void fimc_hw_activate_input_dma(struct fimc_dev *dev, bool on) writel(cfg, dev->regs + FIMC_REG_MSCTRL); } -void fimc_hw_dis_capture(struct fimc_dev *dev) -{ - u32 cfg = readl(dev->regs + FIMC_REG_CIIMGCPT); - cfg &= ~(FIMC_REG_CIIMGCPT_IMGCPTEN | FIMC_REG_CIIMGCPT_IMGCPTEN_SC); - writel(cfg, dev->regs + FIMC_REG_CIIMGCPT); -} - /* Return an index to the buffer actually being written. */ s32 fimc_hw_get_frame_index(struct fimc_dev *dev) { @@ -776,13 +774,13 @@ s32 fimc_hw_get_prev_frame_index(struct fimc_dev *dev) void fimc_activate_capture(struct fimc_ctx *ctx) { fimc_hw_enable_scaler(ctx->fimc_dev, ctx->scaler.enabled); - fimc_hw_en_capture(ctx); + fimc_hw_enable_capture(ctx); } void fimc_deactivate_capture(struct fimc_dev *fimc) { fimc_hw_en_lastirq(fimc, true); - fimc_hw_dis_capture(fimc); + fimc_hw_disable_capture(fimc); fimc_hw_enable_scaler(fimc, false); fimc_hw_en_lastirq(fimc, false); } diff --git a/drivers/media/platform/s5p-fimc/fimc-reg.h b/drivers/media/platform/s5p-fimc/fimc-reg.h index b6abfc7b72a..1a40df6d1a8 100644 --- a/drivers/media/platform/s5p-fimc/fimc-reg.h +++ b/drivers/media/platform/s5p-fimc/fimc-reg.h @@ -287,7 +287,7 @@ void fimc_hw_en_lastirq(struct fimc_dev *fimc, int enable); void fimc_hw_en_irq(struct fimc_dev *fimc, int enable); void fimc_hw_set_prescaler(struct fimc_ctx *ctx); void fimc_hw_set_mainscaler(struct fimc_ctx *ctx); -void fimc_hw_en_capture(struct fimc_ctx *ctx); +void fimc_hw_enable_capture(struct fimc_ctx *ctx); void fimc_hw_set_effect(struct fimc_ctx *ctx); void fimc_hw_set_rgb_alpha(struct fimc_ctx *ctx); void fimc_hw_set_in_dma(struct fimc_ctx *ctx); @@ -297,16 +297,16 @@ void fimc_hw_set_input_addr(struct fimc_dev *fimc, struct fimc_addr *paddr); void fimc_hw_set_output_addr(struct fimc_dev *fimc, struct fimc_addr *paddr, int index); int fimc_hw_set_camera_source(struct fimc_dev *fimc, - struct s5p_fimc_isp_info *cam); + struct fimc_source_info *cam); void fimc_hw_set_camera_offset(struct fimc_dev *fimc, struct fimc_frame *f); int fimc_hw_set_camera_polarity(struct fimc_dev *fimc, - struct s5p_fimc_isp_info *cam); + struct fimc_source_info *cam); int fimc_hw_set_camera_type(struct fimc_dev *fimc, - struct s5p_fimc_isp_info *cam); + struct fimc_source_info *cam); void fimc_hw_clear_irq(struct fimc_dev *dev); void fimc_hw_enable_scaler(struct fimc_dev *dev, bool on); void fimc_hw_activate_input_dma(struct fimc_dev *dev, bool on); -void fimc_hw_dis_capture(struct fimc_dev *dev); +void fimc_hw_disable_capture(struct fimc_dev *dev); s32 fimc_hw_get_frame_index(struct fimc_dev *dev); s32 fimc_hw_get_prev_frame_index(struct fimc_dev *dev); void fimc_activate_capture(struct fimc_ctx *ctx); diff --git a/drivers/media/platform/s5p-fimc/mipi-csis.c b/drivers/media/platform/s5p-fimc/mipi-csis.c index 7abae012f55..981863d05aa 100644 --- a/drivers/media/platform/s5p-fimc/mipi-csis.c +++ b/drivers/media/platform/s5p-fimc/mipi-csis.c @@ -187,7 +187,7 @@ struct csis_state { const struct csis_pix_format *csis_fmt; struct v4l2_mbus_framefmt format; - struct spinlock slock; + spinlock_t slock; struct csis_pktbuf pkt_buf; struct s5pcsis_event events[S5PCSIS_NUM_EVENTS]; }; @@ -220,6 +220,18 @@ static const struct csis_pix_format s5pcsis_formats[] = { .code = V4L2_MBUS_FMT_S5C_UYVY_JPEG_1X8, .fmt_reg = S5PCSIS_CFG_FMT_USER(1), .data_alignment = 32, + }, { + .code = V4L2_MBUS_FMT_SGRBG8_1X8, + .fmt_reg = S5PCSIS_CFG_FMT_RAW8, + .data_alignment = 24, + }, { + .code = V4L2_MBUS_FMT_SGRBG10_1X10, + .fmt_reg = S5PCSIS_CFG_FMT_RAW10, + .data_alignment = 24, + }, { + .code = V4L2_MBUS_FMT_SGRBG12_1X12, + .fmt_reg = S5PCSIS_CFG_FMT_RAW12, + .data_alignment = 24, } }; @@ -261,7 +273,8 @@ static void s5pcsis_reset(struct csis_state *state) static void s5pcsis_system_enable(struct csis_state *state, int on) { - u32 val; + struct s5p_platform_mipi_csis *pdata = state->pdev->dev.platform_data; + u32 val, mask; val = s5pcsis_read(state, S5PCSIS_CTRL); if (on) @@ -271,10 +284,11 @@ static void s5pcsis_system_enable(struct csis_state *state, int on) s5pcsis_write(state, S5PCSIS_CTRL, val); val = s5pcsis_read(state, S5PCSIS_DPHYCTRL); - if (on) - val |= S5PCSIS_DPHYCTRL_ENABLE; - else - val &= ~S5PCSIS_DPHYCTRL_ENABLE; + val &= ~S5PCSIS_DPHYCTRL_ENABLE; + if (on) { + mask = (1 << (pdata->lanes + 1)) - 1; + val |= (mask & S5PCSIS_DPHYCTRL_ENABLE); + } s5pcsis_write(state, S5PCSIS_DPHYCTRL, val); } @@ -338,11 +352,11 @@ static void s5pcsis_clk_put(struct csis_state *state) int i; for (i = 0; i < NUM_CSIS_CLOCKS; i++) { - if (IS_ERR_OR_NULL(state->clock[i])) + if (IS_ERR(state->clock[i])) continue; clk_unprepare(state->clock[i]); clk_put(state->clock[i]); - state->clock[i] = NULL; + state->clock[i] = ERR_PTR(-EINVAL); } } @@ -351,14 +365,19 @@ static int s5pcsis_clk_get(struct csis_state *state) struct device *dev = &state->pdev->dev; int i, ret; + for (i = 0; i < NUM_CSIS_CLOCKS; i++) + state->clock[i] = ERR_PTR(-EINVAL); + for (i = 0; i < NUM_CSIS_CLOCKS; i++) { state->clock[i] = clk_get(dev, csi_clock_name[i]); - if (IS_ERR(state->clock[i])) + if (IS_ERR(state->clock[i])) { + ret = PTR_ERR(state->clock[i]); goto err; + } ret = clk_prepare(state->clock[i]); if (ret < 0) { clk_put(state->clock[i]); - state->clock[i] = NULL; + state->clock[i] = ERR_PTR(-EINVAL); goto err; } } @@ -366,7 +385,31 @@ static int s5pcsis_clk_get(struct csis_state *state) err: s5pcsis_clk_put(state); dev_err(dev, "failed to get clock: %s\n", csi_clock_name[i]); - return -ENXIO; + return ret; +} + +static void dump_regs(struct csis_state *state, const char *label) +{ + struct { + u32 offset; + const char * const name; + } registers[] = { + { 0x00, "CTRL" }, + { 0x04, "DPHYCTRL" }, + { 0x08, "CONFIG" }, + { 0x0c, "DPHYSTS" }, + { 0x10, "INTMSK" }, + { 0x2c, "RESOL" }, + { 0x38, "SDW_CONFIG" }, + }; + u32 i; + + v4l2_info(&state->sd, "--- %s ---\n", label); + + for (i = 0; i < ARRAY_SIZE(registers); i++) { + u32 cfg = s5pcsis_read(state, registers[i].offset); + v4l2_info(&state->sd, "%10s: 0x%08x\n", registers[i].name, cfg); + } } static void s5pcsis_start_stream(struct csis_state *state) @@ -401,12 +444,12 @@ static void s5pcsis_log_counters(struct csis_state *state, bool non_errors) spin_lock_irqsave(&state->slock, flags); - for (i--; i >= 0; i--) - if (state->events[i].counter >= 0) + for (i--; i >= 0; i--) { + if (state->events[i].counter > 0 || debug) v4l2_info(&state->sd, "%s events: %d\n", state->events[i].name, state->events[i].counter); - + } spin_unlock_irqrestore(&state->slock, flags); } @@ -569,7 +612,11 @@ static int s5pcsis_log_status(struct v4l2_subdev *sd) { struct csis_state *state = sd_to_csis_state(sd); + mutex_lock(&state->lock); s5pcsis_log_counters(state, true); + if (debug && (state->flags & ST_POWERED)) + dump_regs(state, __func__); + mutex_unlock(&state->lock); return 0; } @@ -699,26 +746,32 @@ static int s5pcsis_probe(struct platform_device *pdev) for (i = 0; i < CSIS_NUM_SUPPLIES; i++) state->supplies[i].supply = csis_supply_name[i]; - ret = regulator_bulk_get(&pdev->dev, CSIS_NUM_SUPPLIES, + ret = devm_regulator_bulk_get(&pdev->dev, CSIS_NUM_SUPPLIES, state->supplies); if (ret) return ret; ret = s5pcsis_clk_get(state); - if (ret) - goto e_clkput; + if (ret < 0) + return ret; - clk_enable(state->clock[CSIS_CLK_MUX]); if (pdata->clk_rate) - clk_set_rate(state->clock[CSIS_CLK_MUX], pdata->clk_rate); + ret = clk_set_rate(state->clock[CSIS_CLK_MUX], + pdata->clk_rate); else dev_WARN(&pdev->dev, "No clock frequency specified!\n"); + if (ret < 0) + goto e_clkput; + + ret = clk_enable(state->clock[CSIS_CLK_MUX]); + if (ret < 0) + goto e_clkput; ret = devm_request_irq(&pdev->dev, state->irq, s5pcsis_irq_handler, 0, dev_name(&pdev->dev), state); if (ret) { dev_err(&pdev->dev, "Interrupt request failed\n"); - goto e_regput; + goto e_clkdis; } v4l2_subdev_init(&state->sd, &s5pcsis_subdev_ops); @@ -736,7 +789,7 @@ static int s5pcsis_probe(struct platform_device *pdev) ret = media_entity_init(&state->sd.entity, CSIS_PADS_NUM, state->pads, 0); if (ret < 0) - goto e_clkput; + goto e_clkdis; /* This allows to retrieve the platform device id by the host driver */ v4l2_set_subdevdata(&state->sd, pdev); @@ -749,10 +802,9 @@ static int s5pcsis_probe(struct platform_device *pdev) pm_runtime_enable(&pdev->dev); return 0; -e_regput: - regulator_bulk_free(CSIS_NUM_SUPPLIES, state->supplies); -e_clkput: +e_clkdis: clk_disable(state->clock[CSIS_CLK_MUX]); +e_clkput: s5pcsis_clk_put(state); return ret; } @@ -859,7 +911,6 @@ static int s5pcsis_remove(struct platform_device *pdev) clk_disable(state->clock[CSIS_CLK_MUX]); pm_runtime_set_suspended(&pdev->dev); s5pcsis_clk_put(state); - regulator_bulk_free(CSIS_NUM_SUPPLIES, state->supplies); media_entity_cleanup(&state->sd.entity); diff --git a/drivers/media/platform/s5p-g2d/g2d-hw.c b/drivers/media/platform/s5p-g2d/g2d-hw.c index 5b86cbe408e..e87bd93811d 100644 --- a/drivers/media/platform/s5p-g2d/g2d-hw.c +++ b/drivers/media/platform/s5p-g2d/g2d-hw.c @@ -28,6 +28,7 @@ void g2d_set_src_size(struct g2d_dev *d, struct g2d_frame *f) { u32 n; + w(0, SRC_SELECT_REG); w(f->stride & 0xFFFF, SRC_STRIDE_REG); n = f->o_height & 0xFFF; @@ -52,6 +53,7 @@ void g2d_set_dst_size(struct g2d_dev *d, struct g2d_frame *f) { u32 n; + w(0, DST_SELECT_REG); w(f->stride & 0xFFFF, DST_STRIDE_REG); n = f->o_height & 0xFFF; @@ -82,10 +84,14 @@ void g2d_set_flip(struct g2d_dev *d, u32 r) w(r, SRC_MSK_DIRECT_REG); } -u32 g2d_cmd_stretch(u32 e) +void g2d_set_v41_stretch(struct g2d_dev *d, struct g2d_frame *src, + struct g2d_frame *dst) { - e &= 1; - return e << 4; + w(DEFAULT_SCALE_MODE, SRC_SCALE_CTRL_REG); + + /* inversed scaling factor: src is numerator */ + w((src->c_width << 16) / dst->c_width, SRC_XSCALE_REG); + w((src->c_height << 16) / dst->c_height, SRC_YSCALE_REG); } void g2d_set_cmd(struct g2d_dev *d, u32 c) @@ -96,7 +102,9 @@ void g2d_set_cmd(struct g2d_dev *d, u32 c) void g2d_start(struct g2d_dev *d) { /* Clear cache */ - w(0x7, CACHECTL_REG); + if (d->variant->hw_rev == TYPE_G2D_3X) + w(0x7, CACHECTL_REG); + /* Enable interrupt */ w(1, INTEN_REG); /* Start G2D engine */ diff --git a/drivers/media/platform/s5p-g2d/g2d-regs.h b/drivers/media/platform/s5p-g2d/g2d-regs.h index 02e1cf50da4..9bf31ad35d4 100644 --- a/drivers/media/platform/s5p-g2d/g2d-regs.h +++ b/drivers/media/platform/s5p-g2d/g2d-regs.h @@ -35,6 +35,9 @@ #define SRC_COLOR_MODE_REG 0x030C /* Src Image Color Mode reg */ #define SRC_LEFT_TOP_REG 0x0310 /* Src Left Top Coordinate reg */ #define SRC_RIGHT_BOTTOM_REG 0x0314 /* Src Right Bottom Coordinate reg */ +#define SRC_SCALE_CTRL_REG 0x0328 /* Src Scaling type select */ +#define SRC_XSCALE_REG 0x032c /* Src X Scaling ratio */ +#define SRC_YSCALE_REG 0x0330 /* Src Y Scaling ratio */ /* Parameter Setting Registers (Dest) */ #define DST_SELECT_REG 0x0400 /* Dest Image Selection reg */ @@ -113,3 +116,7 @@ #define DEFAULT_WIDTH 100 #define DEFAULT_HEIGHT 100 +#define DEFAULT_SCALE_MODE (2 << 0) + +/* Command mode register values */ +#define CMD_V3_ENABLE_STRETCH (1 << 4) diff --git a/drivers/media/platform/s5p-g2d/g2d.c b/drivers/media/platform/s5p-g2d/g2d.c index 6ed259fb104..aaaf276a5a6 100644 --- a/drivers/media/platform/s5p-g2d/g2d.c +++ b/drivers/media/platform/s5p-g2d/g2d.c @@ -604,8 +604,13 @@ static void device_run(void *prv) g2d_set_flip(dev, ctx->flip); if (ctx->in.c_width != ctx->out.c_width || - ctx->in.c_height != ctx->out.c_height) - cmd |= g2d_cmd_stretch(1); + ctx->in.c_height != ctx->out.c_height) { + if (dev->variant->hw_rev == TYPE_G2D_3X) + cmd |= CMD_V3_ENABLE_STRETCH; + else + g2d_set_v41_stretch(dev, &ctx->in, &ctx->out); + } + g2d_set_cmd(dev, cmd); g2d_start(dev); @@ -713,7 +718,7 @@ static int g2d_probe(struct platform_device *pdev) return PTR_ERR(dev->regs); dev->clk = clk_get(&pdev->dev, "sclk_fimg2d"); - if (IS_ERR_OR_NULL(dev->clk)) { + if (IS_ERR(dev->clk)) { dev_err(&pdev->dev, "failed to get g2d clock\n"); return -ENXIO; } @@ -725,7 +730,7 @@ static int g2d_probe(struct platform_device *pdev) } dev->gate = clk_get(&pdev->dev, "fimg2d"); - if (IS_ERR_OR_NULL(dev->gate)) { + if (IS_ERR(dev->gate)) { dev_err(&pdev->dev, "failed to get g2d clock gate\n"); ret = -ENXIO; goto unprep_clk; @@ -789,6 +794,7 @@ static int g2d_probe(struct platform_device *pdev) } def_frame.stride = (def_frame.width * def_frame.fmt->depth) >> 3; + dev->variant = g2d_get_drv_data(pdev); return 0; @@ -828,9 +834,30 @@ static int g2d_remove(struct platform_device *pdev) return 0; } +static struct g2d_variant g2d_drvdata_v3x = { + .hw_rev = TYPE_G2D_3X, +}; + +static struct g2d_variant g2d_drvdata_v4x = { + .hw_rev = TYPE_G2D_4X, /* Revision 4.1 for Exynos4X12 and Exynos5 */ +}; + +static struct platform_device_id g2d_driver_ids[] = { + { + .name = "s5p-g2d", + .driver_data = (unsigned long)&g2d_drvdata_v3x, + }, { + .name = "s5p-g2d-v4x", + .driver_data = (unsigned long)&g2d_drvdata_v4x, + }, + {}, +}; +MODULE_DEVICE_TABLE(platform, g2d_driver_ids); + static struct platform_driver g2d_pdrv = { .probe = g2d_probe, .remove = g2d_remove, + .id_table = g2d_driver_ids, .driver = { .name = G2D_NAME, .owner = THIS_MODULE, diff --git a/drivers/media/platform/s5p-g2d/g2d.h b/drivers/media/platform/s5p-g2d/g2d.h index 6b765b0216c..300ca05ba40 100644 --- a/drivers/media/platform/s5p-g2d/g2d.h +++ b/drivers/media/platform/s5p-g2d/g2d.h @@ -10,10 +10,13 @@ * License, or (at your option) any later version */ +#include <linux/platform_device.h> #include <media/v4l2-device.h> #include <media/v4l2-ctrls.h> #define G2D_NAME "s5p-g2d" +#define TYPE_G2D_3X 3 +#define TYPE_G2D_4X 4 struct g2d_dev { struct v4l2_device v4l2_dev; @@ -27,6 +30,7 @@ struct g2d_dev { struct clk *clk; struct clk *gate; struct g2d_ctx *curr; + struct g2d_variant *variant; int irq; wait_queue_head_t irq_queue; }; @@ -53,7 +57,7 @@ struct g2d_frame { struct g2d_ctx { struct v4l2_fh fh; struct g2d_dev *dev; - struct v4l2_m2m_ctx *m2m_ctx; + struct v4l2_m2m_ctx *m2m_ctx; struct g2d_frame in; struct g2d_frame out; struct v4l2_ctrl *ctrl_hflip; @@ -70,6 +74,9 @@ struct g2d_fmt { u32 hw; }; +struct g2d_variant { + unsigned short hw_rev; +}; void g2d_reset(struct g2d_dev *d); void g2d_set_src_size(struct g2d_dev *d, struct g2d_frame *f); @@ -80,7 +87,11 @@ void g2d_start(struct g2d_dev *d); void g2d_clear_int(struct g2d_dev *d); void g2d_set_rop4(struct g2d_dev *d, u32 r); void g2d_set_flip(struct g2d_dev *d, u32 r); -u32 g2d_cmd_stretch(u32 e); +void g2d_set_v41_stretch(struct g2d_dev *d, + struct g2d_frame *src, struct g2d_frame *dst); void g2d_set_cmd(struct g2d_dev *d, u32 c); - +static inline struct g2d_variant *g2d_get_drv_data(struct platform_device *pdev) +{ + return (struct g2d_variant *)platform_get_device_id(pdev)->driver_data; +} diff --git a/drivers/media/platform/s5p-jpeg/jpeg-core.h b/drivers/media/platform/s5p-jpeg/jpeg-core.h index 022b9b9baff..8a4013e3aee 100644 --- a/drivers/media/platform/s5p-jpeg/jpeg-core.h +++ b/drivers/media/platform/s5p-jpeg/jpeg-core.h @@ -62,7 +62,7 @@ */ struct s5p_jpeg { struct mutex lock; - struct spinlock slock; + spinlock_t slock; struct v4l2_device v4l2_dev; struct video_device *vfd_encoder; diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc.c b/drivers/media/platform/s5p-mfc/s5p_mfc.c index 8b7fbc7cc04..e84703c314c 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc.c +++ b/drivers/media/platform/s5p-mfc/s5p_mfc.c @@ -21,6 +21,7 @@ #include <linux/videodev2.h> #include <media/v4l2-event.h> #include <linux/workqueue.h> +#include <linux/of.h> #include <media/videobuf2-core.h> #include "s5p_mfc_common.h" #include "s5p_mfc_ctrl.h" @@ -273,7 +274,6 @@ static void s5p_mfc_handle_frame_new(struct s5p_mfc_ctx *ctx, unsigned int err) struct s5p_mfc_buf *dst_buf; size_t dspl_y_addr; unsigned int frame_type; - unsigned int index; dspl_y_addr = s5p_mfc_hw_call(dev->mfc_ops, get_dspl_y_adr, dev); frame_type = s5p_mfc_hw_call(dev->mfc_ops, get_dec_frame_type, dev); @@ -310,7 +310,6 @@ static void s5p_mfc_handle_frame_new(struct s5p_mfc_ctx *ctx, unsigned int err) vb2_buffer_done(dst_buf->b, err ? VB2_BUF_STATE_ERROR : VB2_BUF_STATE_DONE); - index = dst_buf->b->v4l2_buf.index; break; } } @@ -326,8 +325,6 @@ static void s5p_mfc_handle_frame(struct s5p_mfc_ctx *ctx, unsigned long flags; unsigned int res_change; - unsigned int index; - dst_frame_status = s5p_mfc_hw_call(dev->mfc_ops, get_dspl_status, dev) & S5P_FIMV_DEC_STATUS_DECODING_STATUS_MASK; res_change = (s5p_mfc_hw_call(dev->mfc_ops, get_dspl_status, dev) @@ -387,7 +384,6 @@ static void s5p_mfc_handle_frame(struct s5p_mfc_ctx *ctx, mfc_debug(2, "Running again the same buffer\n"); ctx->after_packed_pb = 1; } else { - index = src_buf->b->v4l2_buf.index; mfc_debug(2, "MFC needs next buffer\n"); ctx->consumed_stream = 0; list_del(&src_buf->list); @@ -586,8 +582,7 @@ static void s5p_mfc_handle_stream_complete(struct s5p_mfc_ctx *ctx, clear_work_bit(ctx); - if (test_and_clear_bit(0, &dev->hw_lock) == 0) - WARN_ON(1); + WARN_ON(test_and_clear_bit(0, &dev->hw_lock) == 0); s5p_mfc_clock_off(); wake_up(&ctx->queue); @@ -676,6 +671,12 @@ static irqreturn_t s5p_mfc_irq(int irq, void *priv) s5p_mfc_handle_stream_complete(ctx, reason, err); break; + case S5P_MFC_R2H_CMD_DPB_FLUSH_RET: + clear_work_bit(ctx); + ctx->state = MFCINST_RUNNING; + wake_up(&ctx->queue); + goto irq_cleanup_hw; + default: mfc_debug(2, "Unknown int reason\n"); s5p_mfc_hw_call(dev->mfc_ops, clear_int_flags, dev); @@ -777,14 +778,16 @@ static int s5p_mfc_open(struct file *file) goto err_pwr_enable; } s5p_mfc_clock_on(); - ret = s5p_mfc_alloc_and_load_firmware(dev); - if (ret) - goto err_alloc_fw; + ret = s5p_mfc_load_firmware(dev); + if (ret) { + s5p_mfc_clock_off(); + goto err_load_fw; + } /* Init the FW */ ret = s5p_mfc_init_hw(dev); + s5p_mfc_clock_off(); if (ret) goto err_init_hw; - s5p_mfc_clock_off(); } /* Init videobuf2 queue for CAPTURE */ q = &ctx->vq_dst; @@ -833,21 +836,20 @@ static int s5p_mfc_open(struct file *file) return ret; /* Deinit when failure occured */ err_queue_init: + if (dev->num_inst == 1) + s5p_mfc_deinit_hw(dev); err_init_hw: - s5p_mfc_release_firmware(dev); -err_alloc_fw: - dev->ctx[ctx->num] = NULL; - del_timer_sync(&dev->watchdog_timer); - s5p_mfc_clock_off(); +err_load_fw: err_pwr_enable: if (dev->num_inst == 1) { if (s5p_mfc_power_off() < 0) mfc_err("power off failed\n"); - s5p_mfc_release_firmware(dev); + del_timer_sync(&dev->watchdog_timer); } err_ctrls_setup: s5p_mfc_dec_ctrls_delete(ctx); err_bad_node: + dev->ctx[ctx->num] = NULL; err_no_ctx: v4l2_fh_del(&ctx->fh); v4l2_fh_exit(&ctx->fh); @@ -901,11 +903,8 @@ static int s5p_mfc_release(struct file *file) clear_bit(0, &dev->hw_lock); dev->num_inst--; if (dev->num_inst == 0) { - mfc_debug(2, "Last instance - release firmware\n"); - /* reset <-> F/W release */ - s5p_mfc_reset(dev); + mfc_debug(2, "Last instance\n"); s5p_mfc_deinit_hw(dev); - s5p_mfc_release_firmware(dev); del_timer_sync(&dev->watchdog_timer); if (s5p_mfc_power_off() < 0) mfc_err("Power off failed\n"); @@ -1013,6 +1012,48 @@ static int match_child(struct device *dev, void *data) return !strcmp(dev_name(dev), (char *)data); } +static void *mfc_get_drv_data(struct platform_device *pdev); + +static int s5p_mfc_alloc_memdevs(struct s5p_mfc_dev *dev) +{ + unsigned int mem_info[2]; + + dev->mem_dev_l = devm_kzalloc(&dev->plat_dev->dev, + sizeof(struct device), GFP_KERNEL); + if (!dev->mem_dev_l) { + mfc_err("Not enough memory\n"); + return -ENOMEM; + } + device_initialize(dev->mem_dev_l); + of_property_read_u32_array(dev->plat_dev->dev.of_node, + "samsung,mfc-l", mem_info, 2); + if (dma_declare_coherent_memory(dev->mem_dev_l, mem_info[0], + mem_info[0], mem_info[1], + DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE) == 0) { + mfc_err("Failed to declare coherent memory for\n" + "MFC device\n"); + return -ENOMEM; + } + + dev->mem_dev_r = devm_kzalloc(&dev->plat_dev->dev, + sizeof(struct device), GFP_KERNEL); + if (!dev->mem_dev_r) { + mfc_err("Not enough memory\n"); + return -ENOMEM; + } + device_initialize(dev->mem_dev_r); + of_property_read_u32_array(dev->plat_dev->dev.of_node, + "samsung,mfc-r", mem_info, 2); + if (dma_declare_coherent_memory(dev->mem_dev_r, mem_info[0], + mem_info[0], mem_info[1], + DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE) == 0) { + pr_err("Failed to declare coherent memory for\n" + "MFC device\n"); + return -ENOMEM; + } + return 0; +} + /* MFC probe function */ static int s5p_mfc_probe(struct platform_device *pdev) { @@ -1036,8 +1077,7 @@ static int s5p_mfc_probe(struct platform_device *pdev) return -ENODEV; } - dev->variant = (struct s5p_mfc_variant *) - platform_get_device_id(pdev)->driver_data; + dev->variant = mfc_get_drv_data(pdev); ret = s5p_mfc_init_pm(dev); if (ret < 0) { @@ -1065,35 +1105,43 @@ static int s5p_mfc_probe(struct platform_device *pdev) goto err_res; } - dev->mem_dev_l = device_find_child(&dev->plat_dev->dev, "s5p-mfc-l", - match_child); - if (!dev->mem_dev_l) { - mfc_err("Mem child (L) device get failed\n"); - ret = -ENODEV; - goto err_res; - } - - dev->mem_dev_r = device_find_child(&dev->plat_dev->dev, "s5p-mfc-r", - match_child); - if (!dev->mem_dev_r) { - mfc_err("Mem child (R) device get failed\n"); - ret = -ENODEV; - goto err_res; + if (pdev->dev.of_node) { + if (s5p_mfc_alloc_memdevs(dev) < 0) + goto err_res; + } else { + dev->mem_dev_l = device_find_child(&dev->plat_dev->dev, + "s5p-mfc-l", match_child); + if (!dev->mem_dev_l) { + mfc_err("Mem child (L) device get failed\n"); + ret = -ENODEV; + goto err_res; + } + dev->mem_dev_r = device_find_child(&dev->plat_dev->dev, + "s5p-mfc-r", match_child); + if (!dev->mem_dev_r) { + mfc_err("Mem child (R) device get failed\n"); + ret = -ENODEV; + goto err_res; + } } dev->alloc_ctx[0] = vb2_dma_contig_init_ctx(dev->mem_dev_l); - if (IS_ERR_OR_NULL(dev->alloc_ctx[0])) { + if (IS_ERR(dev->alloc_ctx[0])) { ret = PTR_ERR(dev->alloc_ctx[0]); goto err_res; } dev->alloc_ctx[1] = vb2_dma_contig_init_ctx(dev->mem_dev_r); - if (IS_ERR_OR_NULL(dev->alloc_ctx[1])) { + if (IS_ERR(dev->alloc_ctx[1])) { ret = PTR_ERR(dev->alloc_ctx[1]); goto err_mem_init_ctx_1; } mutex_init(&dev->mfc_mutex); + ret = s5p_mfc_alloc_firmware(dev); + if (ret) + goto err_alloc_fw; + ret = v4l2_device_register(&pdev->dev, &dev->v4l2_dev); if (ret) goto err_v4l2_dev_reg; @@ -1175,6 +1223,8 @@ err_dec_reg: err_dec_alloc: v4l2_device_unregister(&dev->v4l2_dev); err_v4l2_dev_reg: + s5p_mfc_release_firmware(dev); +err_alloc_fw: vb2_dma_contig_cleanup_ctx(dev->alloc_ctx[1]); err_mem_init_ctx_1: vb2_dma_contig_cleanup_ctx(dev->alloc_ctx[0]); @@ -1200,8 +1250,13 @@ static int s5p_mfc_remove(struct platform_device *pdev) video_unregister_device(dev->vfd_enc); video_unregister_device(dev->vfd_dec); v4l2_device_unregister(&dev->v4l2_dev); + s5p_mfc_release_firmware(dev); vb2_dma_contig_cleanup_ctx(dev->alloc_ctx[0]); vb2_dma_contig_cleanup_ctx(dev->alloc_ctx[1]); + if (pdev->dev.of_node) { + put_device(dev->mem_dev_l); + put_device(dev->mem_dev_r); + } s5p_mfc_final_pm(dev); return 0; @@ -1350,6 +1405,35 @@ static struct platform_device_id mfc_driver_ids[] = { }; MODULE_DEVICE_TABLE(platform, mfc_driver_ids); +static const struct of_device_id exynos_mfc_match[] = { + { + .compatible = "samsung,mfc-v5", + .data = &mfc_drvdata_v5, + }, { + .compatible = "samsung,mfc-v6", + .data = &mfc_drvdata_v6, + }, + {}, +}; +MODULE_DEVICE_TABLE(of, exynos_mfc_match); + +static void *mfc_get_drv_data(struct platform_device *pdev) +{ + struct s5p_mfc_variant *driver_data = NULL; + + if (pdev->dev.of_node) { + const struct of_device_id *match; + match = of_match_node(of_match_ptr(exynos_mfc_match), + pdev->dev.of_node); + if (match) + driver_data = (struct s5p_mfc_variant *)match->data; + } else { + driver_data = (struct s5p_mfc_variant *) + platform_get_device_id(pdev)->driver_data; + } + return driver_data; +} + static struct platform_driver s5p_mfc_driver = { .probe = s5p_mfc_probe, .remove = s5p_mfc_remove, @@ -1357,7 +1441,8 @@ static struct platform_driver s5p_mfc_driver = { .driver = { .name = S5P_MFC_NAME, .owner = THIS_MODULE, - .pm = &s5p_mfc_pm_ops + .pm = &s5p_mfc_pm_ops, + .of_match_table = exynos_mfc_match, }, }; diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_common.h b/drivers/media/platform/s5p-mfc/s5p_mfc_common.h index f02e0497ca9..202d1d7a37a 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc_common.h +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_common.h @@ -145,6 +145,7 @@ enum s5p_mfc_inst_state { MFCINST_RETURN_INST, MFCINST_ERROR, MFCINST_ABORT, + MFCINST_FLUSH, MFCINST_RES_CHANGE_INIT, MFCINST_RES_CHANGE_FLUSH, MFCINST_RES_CHANGE_END, @@ -277,8 +278,9 @@ struct s5p_mfc_priv_buf { * @int_err: error number for last interrupt * @queue: waitqueue for waiting for completion of device commands * @fw_size: size of firmware - * @bank1: address of the beggining of bank 1 memory - * @bank2: address of the beggining of bank 2 memory + * @fw_virt_addr: virtual firmware address + * @bank1: address of the beginning of bank 1 memory + * @bank2: address of the beginning of bank 2 memory * @hw_lock: used for hardware locking * @ctx: array of driver contexts * @curr_ctx: number of the currently running context @@ -317,8 +319,9 @@ struct s5p_mfc_dev { unsigned int int_err; wait_queue_head_t queue; size_t fw_size; - size_t bank1; - size_t bank2; + void *fw_virt_addr; + dma_addr_t bank1; + dma_addr_t bank2; unsigned long hw_lock; struct s5p_mfc_ctx *ctx[MFC_NUM_CONTEXTS]; int curr_ctx; @@ -493,15 +496,9 @@ struct s5p_mfc_codec_ops { * flushed * @head_processed: flag mentioning whether the header data is processed * completely or not - * @bank1_buf: handle to memory allocated for temporary buffers from + * @bank1: handle to memory allocated for temporary buffers from * memory bank 1 - * @bank1_phys: address of the temporary buffers from memory bank 1 - * @bank1_size: size of the memory allocated for temporary buffers from - * memory bank 1 - * @bank2_buf: handle to memory allocated for temporary buffers from - * memory bank 2 - * @bank2_phys: address of the temporary buffers from memory bank 2 - * @bank2_size: size of the memory allocated for temporary buffers from + * @bank2: handle to memory allocated for temporary buffers from * memory bank 2 * @capture_state: state of the capture buffers queue * @output_state: state of the output buffers queue @@ -581,14 +578,8 @@ struct s5p_mfc_ctx { unsigned int dpb_flush_flag; unsigned int head_processed; - /* Buffers */ - void *bank1_buf; - size_t bank1_phys; - size_t bank1_size; - - void *bank2_buf; - size_t bank2_phys; - size_t bank2_size; + struct s5p_mfc_priv_buf bank1; + struct s5p_mfc_priv_buf bank2; enum s5p_mfc_queue_state capture_state; enum s5p_mfc_queue_state output_state; diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c b/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c index 585b7b0ed8e..2e5f30b40de 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c @@ -22,16 +22,64 @@ #include "s5p_mfc_opr.h" #include "s5p_mfc_pm.h" -static void *s5p_mfc_bitproc_buf; -static size_t s5p_mfc_bitproc_phys; -static unsigned char *s5p_mfc_bitproc_virt; +/* Allocate memory for firmware */ +int s5p_mfc_alloc_firmware(struct s5p_mfc_dev *dev) +{ + void *bank2_virt; + dma_addr_t bank2_dma_addr; + + dev->fw_size = dev->variant->buf_size->fw; + + if (dev->fw_virt_addr) { + mfc_err("Attempting to allocate firmware when it seems that it is already loaded\n"); + return -ENOMEM; + } + + dev->fw_virt_addr = dma_alloc_coherent(dev->mem_dev_l, dev->fw_size, + &dev->bank1, GFP_KERNEL); + + if (IS_ERR(dev->fw_virt_addr)) { + dev->fw_virt_addr = NULL; + mfc_err("Allocating bitprocessor buffer failed\n"); + return -ENOMEM; + } + + dev->bank1 = dev->bank1; + + if (HAS_PORTNUM(dev) && IS_TWOPORT(dev)) { + bank2_virt = dma_alloc_coherent(dev->mem_dev_r, 1 << MFC_BASE_ALIGN_ORDER, + &bank2_dma_addr, GFP_KERNEL); + + if (IS_ERR(dev->fw_virt_addr)) { + mfc_err("Allocating bank2 base failed\n"); + dma_free_coherent(dev->mem_dev_l, dev->fw_size, + dev->fw_virt_addr, dev->bank1); + dev->fw_virt_addr = NULL; + return -ENOMEM; + } + + /* Valid buffers passed to MFC encoder with LAST_FRAME command + * should not have address of bank2 - MFC will treat it as a null frame. + * To avoid such situation we set bank2 address below the pool address. + */ + dev->bank2 = bank2_dma_addr - (1 << MFC_BASE_ALIGN_ORDER); + + dma_free_coherent(dev->mem_dev_r, 1 << MFC_BASE_ALIGN_ORDER, + bank2_virt, bank2_dma_addr); + + } else { + /* In this case bank2 can point to the same address as bank1. + * Firmware will always occupy the beggining of this area so it is + * impossible having a video frame buffer with zero address. */ + dev->bank2 = dev->bank1; + } + return 0; +} -/* Allocate and load firmware */ -int s5p_mfc_alloc_and_load_firmware(struct s5p_mfc_dev *dev) +/* Load firmware */ +int s5p_mfc_load_firmware(struct s5p_mfc_dev *dev) { struct firmware *fw_blob; - size_t bank2_base_phys; - void *b_base; int err; /* Firmare has to be present as a separate file or compiled @@ -44,77 +92,17 @@ int s5p_mfc_alloc_and_load_firmware(struct s5p_mfc_dev *dev) mfc_err("Firmware is not present in the /lib/firmware directory nor compiled in kernel\n"); return -EINVAL; } - dev->fw_size = dev->variant->buf_size->fw; if (fw_blob->size > dev->fw_size) { mfc_err("MFC firmware is too big to be loaded\n"); release_firmware(fw_blob); return -ENOMEM; } - if (s5p_mfc_bitproc_buf) { - mfc_err("Attempting to allocate firmware when it seems that it is already loaded\n"); - release_firmware(fw_blob); - return -ENOMEM; - } - s5p_mfc_bitproc_buf = vb2_dma_contig_memops.alloc( - dev->alloc_ctx[MFC_BANK1_ALLOC_CTX], dev->fw_size); - if (IS_ERR(s5p_mfc_bitproc_buf)) { - s5p_mfc_bitproc_buf = NULL; - mfc_err("Allocating bitprocessor buffer failed\n"); + if (!dev->fw_virt_addr) { + mfc_err("MFC firmware is not allocated\n"); release_firmware(fw_blob); - return -ENOMEM; - } - s5p_mfc_bitproc_phys = s5p_mfc_mem_cookie( - dev->alloc_ctx[MFC_BANK1_ALLOC_CTX], s5p_mfc_bitproc_buf); - if (s5p_mfc_bitproc_phys & ((1 << MFC_BASE_ALIGN_ORDER) - 1)) { - mfc_err("The base memory for bank 1 is not aligned to 128KB\n"); - vb2_dma_contig_memops.put(s5p_mfc_bitproc_buf); - s5p_mfc_bitproc_phys = 0; - s5p_mfc_bitproc_buf = NULL; - release_firmware(fw_blob); - return -EIO; - } - s5p_mfc_bitproc_virt = vb2_dma_contig_memops.vaddr(s5p_mfc_bitproc_buf); - if (!s5p_mfc_bitproc_virt) { - mfc_err("Bitprocessor memory remap failed\n"); - vb2_dma_contig_memops.put(s5p_mfc_bitproc_buf); - s5p_mfc_bitproc_phys = 0; - s5p_mfc_bitproc_buf = NULL; - release_firmware(fw_blob); - return -EIO; - } - dev->bank1 = s5p_mfc_bitproc_phys; - if (HAS_PORTNUM(dev) && IS_TWOPORT(dev)) { - b_base = vb2_dma_contig_memops.alloc( - dev->alloc_ctx[MFC_BANK2_ALLOC_CTX], - 1 << MFC_BASE_ALIGN_ORDER); - if (IS_ERR(b_base)) { - vb2_dma_contig_memops.put(s5p_mfc_bitproc_buf); - s5p_mfc_bitproc_phys = 0; - s5p_mfc_bitproc_buf = NULL; - mfc_err("Allocating bank2 base failed\n"); - release_firmware(fw_blob); - return -ENOMEM; - } - bank2_base_phys = s5p_mfc_mem_cookie( - dev->alloc_ctx[MFC_BANK2_ALLOC_CTX], b_base); - vb2_dma_contig_memops.put(b_base); - if (bank2_base_phys & ((1 << MFC_BASE_ALIGN_ORDER) - 1)) { - mfc_err("The base memory for bank 2 is not aligned to 128KB\n"); - vb2_dma_contig_memops.put(s5p_mfc_bitproc_buf); - s5p_mfc_bitproc_phys = 0; - s5p_mfc_bitproc_buf = NULL; - release_firmware(fw_blob); - return -EIO; - } - /* Valid buffers passed to MFC encoder with LAST_FRAME command - * should not have address of bank2 - MFC will treat it as a null frame. - * To avoid such situation we set bank2 address below the pool address. - */ - dev->bank2 = bank2_base_phys - (1 << MFC_BASE_ALIGN_ORDER); - } else { - dev->bank2 = dev->bank1; + return -EINVAL; } - memcpy(s5p_mfc_bitproc_virt, fw_blob->data, fw_blob->size); + memcpy(dev->fw_virt_addr, fw_blob->data, fw_blob->size); wmb(); release_firmware(fw_blob); mfc_debug_leave(); @@ -142,12 +130,12 @@ int s5p_mfc_reload_firmware(struct s5p_mfc_dev *dev) release_firmware(fw_blob); return -ENOMEM; } - if (s5p_mfc_bitproc_buf == NULL || s5p_mfc_bitproc_phys == 0) { - mfc_err("MFC firmware is not allocated or was not mapped correctly\n"); + if (!dev->fw_virt_addr) { + mfc_err("MFC firmware is not allocated\n"); release_firmware(fw_blob); return -EINVAL; } - memcpy(s5p_mfc_bitproc_virt, fw_blob->data, fw_blob->size); + memcpy(dev->fw_virt_addr, fw_blob->data, fw_blob->size); wmb(); release_firmware(fw_blob); mfc_debug_leave(); @@ -159,12 +147,11 @@ int s5p_mfc_release_firmware(struct s5p_mfc_dev *dev) { /* Before calling this function one has to make sure * that MFC is no longer processing */ - if (!s5p_mfc_bitproc_buf) + if (!dev->fw_virt_addr) return -EINVAL; - vb2_dma_contig_memops.put(s5p_mfc_bitproc_buf); - s5p_mfc_bitproc_virt = NULL; - s5p_mfc_bitproc_phys = 0; - s5p_mfc_bitproc_buf = NULL; + dma_free_coherent(dev->mem_dev_l, dev->fw_size, dev->fw_virt_addr, + dev->bank1); + dev->fw_virt_addr = NULL; return 0; } @@ -257,8 +244,10 @@ int s5p_mfc_init_hw(struct s5p_mfc_dev *dev) int ret; mfc_debug_enter(); - if (!s5p_mfc_bitproc_buf) + if (!dev->fw_virt_addr) { + mfc_err("Firmware memory is not allocated.\n"); return -EINVAL; + } /* 0. MFC reset */ mfc_debug(2, "MFC reset..\n"); diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.h b/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.h index 90aa9b9886d..6a9b6f8606b 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.h +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.h @@ -16,7 +16,8 @@ #include "s5p_mfc_common.h" int s5p_mfc_release_firmware(struct s5p_mfc_dev *dev); -int s5p_mfc_alloc_and_load_firmware(struct s5p_mfc_dev *dev); +int s5p_mfc_alloc_firmware(struct s5p_mfc_dev *dev); +int s5p_mfc_load_firmware(struct s5p_mfc_dev *dev); int s5p_mfc_reload_firmware(struct s5p_mfc_dev *dev); int s5p_mfc_init_hw(struct s5p_mfc_dev *dev); diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c index 6dad9a74f61..4582473978c 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c @@ -991,24 +991,35 @@ static int s5p_mfc_stop_streaming(struct vb2_queue *q) S5P_MFC_R2H_CMD_FRAME_DONE_RET, 0); aborted = 1; } - spin_lock_irqsave(&dev->irqlock, flags); if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { + spin_lock_irqsave(&dev->irqlock, flags); s5p_mfc_hw_call(dev->mfc_ops, cleanup_queue, &ctx->dst_queue, &ctx->vq_dst); INIT_LIST_HEAD(&ctx->dst_queue); ctx->dst_queue_cnt = 0; ctx->dpb_flush_flag = 1; ctx->dec_dst_flag = 0; + spin_unlock_irqrestore(&dev->irqlock, flags); + if (IS_MFCV6(dev) && (ctx->state == MFCINST_RUNNING)) { + ctx->state = MFCINST_FLUSH; + set_work_bit_irqsave(ctx); + s5p_mfc_clean_ctx_int_flags(ctx); + s5p_mfc_hw_call(dev->mfc_ops, try_run, dev); + if (s5p_mfc_wait_for_done_ctx(ctx, + S5P_MFC_R2H_CMD_DPB_FLUSH_RET, 0)) + mfc_err("Err flushing buffers\n"); + } } if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { + spin_lock_irqsave(&dev->irqlock, flags); s5p_mfc_hw_call(dev->mfc_ops, cleanup_queue, &ctx->src_queue, &ctx->vq_src); INIT_LIST_HEAD(&ctx->src_queue); ctx->src_queue_cnt = 0; + spin_unlock_irqrestore(&dev->irqlock, flags); } if (aborted) ctx->state = MFCINST_RUNNING; - spin_unlock_irqrestore(&dev->irqlock, flags); return 0; } diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c b/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c index f92f6ddd739..2356fd52a16 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c @@ -1534,6 +1534,8 @@ int vidioc_encoder_cmd(struct file *file, void *priv, if (list_empty(&ctx->src_queue)) { mfc_debug(2, "EOS: empty src queue, entering finishing state"); ctx->state = MFCINST_FINISHING; + if (s5p_mfc_ctx_ready(ctx)) + set_work_bit_irqsave(ctx); spin_unlock_irqrestore(&dev->irqlock, flags); s5p_mfc_hw_call(dev->mfc_ops, try_run, dev); } else { diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_opr.c b/drivers/media/platform/s5p-mfc/s5p_mfc_opr.c index 6932e90d406..10f8ac37cec 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc_opr.c +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_opr.c @@ -12,6 +12,7 @@ * published by the Free Software Foundation. */ +#include "s5p_mfc_debug.h" #include "s5p_mfc_opr.h" #include "s5p_mfc_opr_v5.h" #include "s5p_mfc_opr_v6.h" @@ -29,3 +30,32 @@ void s5p_mfc_init_hw_ops(struct s5p_mfc_dev *dev) } dev->mfc_ops = s5p_mfc_ops; } + +int s5p_mfc_alloc_priv_buf(struct device *dev, + struct s5p_mfc_priv_buf *b) +{ + + mfc_debug(3, "Allocating priv: %d\n", b->size); + + b->virt = dma_alloc_coherent(dev, b->size, &b->dma, GFP_KERNEL); + + if (!b->virt) { + mfc_err("Allocating private buffer failed\n"); + return -ENOMEM; + } + + mfc_debug(3, "Allocated addr %p %08x\n", b->virt, b->dma); + return 0; +} + +void s5p_mfc_release_priv_buf(struct device *dev, + struct s5p_mfc_priv_buf *b) +{ + if (b->virt) { + dma_free_coherent(dev, b->size, b->virt, b->dma); + b->virt = NULL; + b->dma = 0; + b->size = 0; + } +} + diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_opr.h b/drivers/media/platform/s5p-mfc/s5p_mfc_opr.h index 420abecafec..754c540e7a7 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc_opr.h +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_opr.h @@ -80,5 +80,10 @@ struct s5p_mfc_hw_ops { }; void s5p_mfc_init_hw_ops(struct s5p_mfc_dev *dev); +int s5p_mfc_alloc_priv_buf(struct device *dev, + struct s5p_mfc_priv_buf *b); +void s5p_mfc_release_priv_buf(struct device *dev, + struct s5p_mfc_priv_buf *b); + #endif /* S5P_MFC_OPR_H_ */ diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v5.c b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v5.c index bf7d010a410..f61dba83789 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v5.c +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v5.c @@ -38,39 +38,26 @@ int s5p_mfc_alloc_dec_temp_buffers_v5(struct s5p_mfc_ctx *ctx) { struct s5p_mfc_dev *dev = ctx->dev; struct s5p_mfc_buf_size_v5 *buf_size = dev->variant->buf_size->priv; + int ret; - ctx->dsc.alloc = vb2_dma_contig_memops.alloc( - dev->alloc_ctx[MFC_BANK1_ALLOC_CTX], - buf_size->dsc); - if (IS_ERR_VALUE((int)ctx->dsc.alloc)) { - ctx->dsc.alloc = NULL; - mfc_err("Allocating DESC buffer failed\n"); - return -ENOMEM; + ctx->dsc.size = buf_size->dsc; + ret = s5p_mfc_alloc_priv_buf(dev->mem_dev_l, &ctx->dsc); + if (ret) { + mfc_err("Failed to allocate temporary buffer\n"); + return ret; } - ctx->dsc.dma = s5p_mfc_mem_cookie( - dev->alloc_ctx[MFC_BANK1_ALLOC_CTX], ctx->dsc.alloc); + BUG_ON(ctx->dsc.dma & ((1 << MFC_BANK1_ALIGN_ORDER) - 1)); - ctx->dsc.virt = vb2_dma_contig_memops.vaddr(ctx->dsc.alloc); - if (ctx->dsc.virt == NULL) { - vb2_dma_contig_memops.put(ctx->dsc.alloc); - ctx->dsc.dma = 0; - ctx->dsc.alloc = NULL; - mfc_err("Remapping DESC buffer failed\n"); - return -ENOMEM; - } - memset(ctx->dsc.virt, 0, buf_size->dsc); + memset(ctx->dsc.virt, 0, ctx->dsc.size); wmb(); return 0; } + /* Release temporary buffers for decoding */ void s5p_mfc_release_dec_desc_buffer_v5(struct s5p_mfc_ctx *ctx) { - if (ctx->dsc.dma) { - vb2_dma_contig_memops.put(ctx->dsc.alloc); - ctx->dsc.alloc = NULL; - ctx->dsc.dma = 0; - } + s5p_mfc_release_priv_buf(ctx->dev->mem_dev_l, &ctx->dsc); } /* Allocate codec buffers */ @@ -80,6 +67,7 @@ int s5p_mfc_alloc_codec_buffers_v5(struct s5p_mfc_ctx *ctx) unsigned int enc_ref_y_size = 0; unsigned int enc_ref_c_size = 0; unsigned int guard_width, guard_height; + int ret; if (ctx->type == MFCINST_DECODER) { mfc_debug(2, "Luma size:%d Chroma size:%d MV size:%d\n", @@ -113,100 +101,93 @@ int s5p_mfc_alloc_codec_buffers_v5(struct s5p_mfc_ctx *ctx) /* Codecs have different memory requirements */ switch (ctx->codec_mode) { case S5P_MFC_CODEC_H264_DEC: - ctx->bank1_size = + ctx->bank1.size = ALIGN(S5P_FIMV_DEC_NB_IP_SIZE + S5P_FIMV_DEC_VERT_NB_MV_SIZE, S5P_FIMV_DEC_BUF_ALIGN); - ctx->bank2_size = ctx->total_dpb_count * ctx->mv_size; + ctx->bank2.size = ctx->total_dpb_count * ctx->mv_size; break; case S5P_MFC_CODEC_MPEG4_DEC: - ctx->bank1_size = + ctx->bank1.size = ALIGN(S5P_FIMV_DEC_NB_DCAC_SIZE + S5P_FIMV_DEC_UPNB_MV_SIZE + S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE + S5P_FIMV_DEC_STX_PARSER_SIZE + S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE, S5P_FIMV_DEC_BUF_ALIGN); - ctx->bank2_size = 0; + ctx->bank2.size = 0; break; case S5P_MFC_CODEC_VC1RCV_DEC: case S5P_MFC_CODEC_VC1_DEC: - ctx->bank1_size = + ctx->bank1.size = ALIGN(S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE + S5P_FIMV_DEC_UPNB_MV_SIZE + S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE + S5P_FIMV_DEC_NB_DCAC_SIZE + 3 * S5P_FIMV_DEC_VC1_BITPLANE_SIZE, S5P_FIMV_DEC_BUF_ALIGN); - ctx->bank2_size = 0; + ctx->bank2.size = 0; break; case S5P_MFC_CODEC_MPEG2_DEC: - ctx->bank1_size = 0; - ctx->bank2_size = 0; + ctx->bank1.size = 0; + ctx->bank2.size = 0; break; case S5P_MFC_CODEC_H263_DEC: - ctx->bank1_size = + ctx->bank1.size = ALIGN(S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE + S5P_FIMV_DEC_UPNB_MV_SIZE + S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE + S5P_FIMV_DEC_NB_DCAC_SIZE, S5P_FIMV_DEC_BUF_ALIGN); - ctx->bank2_size = 0; + ctx->bank2.size = 0; break; case S5P_MFC_CODEC_H264_ENC: - ctx->bank1_size = (enc_ref_y_size * 2) + + ctx->bank1.size = (enc_ref_y_size * 2) + S5P_FIMV_ENC_UPMV_SIZE + S5P_FIMV_ENC_COLFLG_SIZE + S5P_FIMV_ENC_INTRAMD_SIZE + S5P_FIMV_ENC_NBORINFO_SIZE; - ctx->bank2_size = (enc_ref_y_size * 2) + + ctx->bank2.size = (enc_ref_y_size * 2) + (enc_ref_c_size * 4) + S5P_FIMV_ENC_INTRAPRED_SIZE; break; case S5P_MFC_CODEC_MPEG4_ENC: - ctx->bank1_size = (enc_ref_y_size * 2) + + ctx->bank1.size = (enc_ref_y_size * 2) + S5P_FIMV_ENC_UPMV_SIZE + S5P_FIMV_ENC_COLFLG_SIZE + S5P_FIMV_ENC_ACDCCOEF_SIZE; - ctx->bank2_size = (enc_ref_y_size * 2) + + ctx->bank2.size = (enc_ref_y_size * 2) + (enc_ref_c_size * 4); break; case S5P_MFC_CODEC_H263_ENC: - ctx->bank1_size = (enc_ref_y_size * 2) + + ctx->bank1.size = (enc_ref_y_size * 2) + S5P_FIMV_ENC_UPMV_SIZE + S5P_FIMV_ENC_ACDCCOEF_SIZE; - ctx->bank2_size = (enc_ref_y_size * 2) + + ctx->bank2.size = (enc_ref_y_size * 2) + (enc_ref_c_size * 4); break; default: break; } /* Allocate only if memory from bank 1 is necessary */ - if (ctx->bank1_size > 0) { - ctx->bank1_buf = vb2_dma_contig_memops.alloc( - dev->alloc_ctx[MFC_BANK1_ALLOC_CTX], ctx->bank1_size); - if (IS_ERR(ctx->bank1_buf)) { - ctx->bank1_buf = NULL; - printk(KERN_ERR - "Buf alloc for decoding failed (port A)\n"); - return -ENOMEM; + if (ctx->bank1.size > 0) { + + ret = s5p_mfc_alloc_priv_buf(dev->mem_dev_l, &ctx->bank1); + if (ret) { + mfc_err("Failed to allocate Bank1 temporary buffer\n"); + return ret; } - ctx->bank1_phys = s5p_mfc_mem_cookie( - dev->alloc_ctx[MFC_BANK1_ALLOC_CTX], ctx->bank1_buf); - BUG_ON(ctx->bank1_phys & ((1 << MFC_BANK1_ALIGN_ORDER) - 1)); + BUG_ON(ctx->bank1.dma & ((1 << MFC_BANK1_ALIGN_ORDER) - 1)); } /* Allocate only if memory from bank 2 is necessary */ - if (ctx->bank2_size > 0) { - ctx->bank2_buf = vb2_dma_contig_memops.alloc( - dev->alloc_ctx[MFC_BANK2_ALLOC_CTX], ctx->bank2_size); - if (IS_ERR(ctx->bank2_buf)) { - ctx->bank2_buf = NULL; - mfc_err("Buf alloc for decoding failed (port B)\n"); - return -ENOMEM; + if (ctx->bank2.size > 0) { + ret = s5p_mfc_alloc_priv_buf(dev->mem_dev_r, &ctx->bank2); + if (ret) { + mfc_err("Failed to allocate Bank2 temporary buffer\n"); + s5p_mfc_release_priv_buf(ctx->dev->mem_dev_l, &ctx->bank1); + return ret; } - ctx->bank2_phys = s5p_mfc_mem_cookie( - dev->alloc_ctx[MFC_BANK2_ALLOC_CTX], ctx->bank2_buf); - BUG_ON(ctx->bank2_phys & ((1 << MFC_BANK2_ALIGN_ORDER) - 1)); + BUG_ON(ctx->bank2.dma & ((1 << MFC_BANK2_ALIGN_ORDER) - 1)); } return 0; } @@ -214,18 +195,8 @@ int s5p_mfc_alloc_codec_buffers_v5(struct s5p_mfc_ctx *ctx) /* Release buffers allocated for codec */ void s5p_mfc_release_codec_buffers_v5(struct s5p_mfc_ctx *ctx) { - if (ctx->bank1_buf) { - vb2_dma_contig_memops.put(ctx->bank1_buf); - ctx->bank1_buf = NULL; - ctx->bank1_phys = 0; - ctx->bank1_size = 0; - } - if (ctx->bank2_buf) { - vb2_dma_contig_memops.put(ctx->bank2_buf); - ctx->bank2_buf = NULL; - ctx->bank2_phys = 0; - ctx->bank2_size = 0; - } + s5p_mfc_release_priv_buf(ctx->dev->mem_dev_l, &ctx->bank1); + s5p_mfc_release_priv_buf(ctx->dev->mem_dev_r, &ctx->bank2); } /* Allocate memory for instance data buffer */ @@ -233,58 +204,38 @@ int s5p_mfc_alloc_instance_buffer_v5(struct s5p_mfc_ctx *ctx) { struct s5p_mfc_dev *dev = ctx->dev; struct s5p_mfc_buf_size_v5 *buf_size = dev->variant->buf_size->priv; + int ret; if (ctx->codec_mode == S5P_MFC_CODEC_H264_DEC || ctx->codec_mode == S5P_MFC_CODEC_H264_ENC) ctx->ctx.size = buf_size->h264_ctx; else ctx->ctx.size = buf_size->non_h264_ctx; - ctx->ctx.alloc = vb2_dma_contig_memops.alloc( - dev->alloc_ctx[MFC_BANK1_ALLOC_CTX], ctx->ctx.size); - if (IS_ERR(ctx->ctx.alloc)) { - mfc_err("Allocating context buffer failed\n"); - ctx->ctx.alloc = NULL; - return -ENOMEM; + + ret = s5p_mfc_alloc_priv_buf(dev->mem_dev_l, &ctx->ctx); + if (ret) { + mfc_err("Failed to allocate instance buffer\n"); + return ret; } - ctx->ctx.dma = s5p_mfc_mem_cookie( - dev->alloc_ctx[MFC_BANK1_ALLOC_CTX], ctx->ctx.alloc); - BUG_ON(ctx->ctx.dma & ((1 << MFC_BANK1_ALIGN_ORDER) - 1)); ctx->ctx.ofs = OFFSETA(ctx->ctx.dma); - ctx->ctx.virt = vb2_dma_contig_memops.vaddr(ctx->ctx.alloc); - if (!ctx->ctx.virt) { - mfc_err("Remapping instance buffer failed\n"); - vb2_dma_contig_memops.put(ctx->ctx.alloc); - ctx->ctx.alloc = NULL; - ctx->ctx.ofs = 0; - ctx->ctx.dma = 0; - return -ENOMEM; - } + /* Zero content of the allocated memory */ memset(ctx->ctx.virt, 0, ctx->ctx.size); wmb(); /* Initialize shared memory */ - ctx->shm.alloc = vb2_dma_contig_memops.alloc( - dev->alloc_ctx[MFC_BANK1_ALLOC_CTX], buf_size->shm); - if (IS_ERR(ctx->shm.alloc)) { - mfc_err("failed to allocate shared memory\n"); - return PTR_ERR(ctx->shm.alloc); + ctx->shm.size = buf_size->shm; + ret = s5p_mfc_alloc_priv_buf(dev->mem_dev_l, &ctx->shm); + if (ret) { + mfc_err("Failed to allocate shared memory buffer\n"); + return ret; } + /* shared memory offset only keeps the offset from base (port a) */ - ctx->shm.ofs = s5p_mfc_mem_cookie( - dev->alloc_ctx[MFC_BANK1_ALLOC_CTX], ctx->shm.alloc) - - dev->bank1; + ctx->shm.ofs = ctx->shm.dma - dev->bank1; BUG_ON(ctx->shm.ofs & ((1 << MFC_BANK1_ALIGN_ORDER) - 1)); - ctx->shm.virt = vb2_dma_contig_memops.vaddr(ctx->shm.alloc); - if (!ctx->shm.virt) { - vb2_dma_contig_memops.put(ctx->shm.alloc); - ctx->shm.alloc = NULL; - ctx->shm.ofs = 0; - mfc_err("failed to virt addr of shared memory\n"); - return -ENOMEM; - } - memset((void *)ctx->shm.virt, 0, buf_size->shm); + memset(ctx->shm.virt, 0, buf_size->shm); wmb(); return 0; } @@ -292,19 +243,8 @@ int s5p_mfc_alloc_instance_buffer_v5(struct s5p_mfc_ctx *ctx) /* Release instance buffer */ void s5p_mfc_release_instance_buffer_v5(struct s5p_mfc_ctx *ctx) { - if (ctx->ctx.alloc) { - vb2_dma_contig_memops.put(ctx->ctx.alloc); - ctx->ctx.alloc = NULL; - ctx->ctx.ofs = 0; - ctx->ctx.virt = NULL; - ctx->ctx.dma = 0; - } - if (ctx->shm.alloc) { - vb2_dma_contig_memops.put(ctx->shm.alloc); - ctx->shm.alloc = NULL; - ctx->shm.ofs = 0; - ctx->shm.virt = NULL; - } + s5p_mfc_release_priv_buf(ctx->dev->mem_dev_l, &ctx->ctx); + s5p_mfc_release_priv_buf(ctx->dev->mem_dev_l, &ctx->shm); } int s5p_mfc_alloc_dev_context_buffer_v5(struct s5p_mfc_dev *dev) @@ -443,10 +383,10 @@ int s5p_mfc_set_dec_frame_buffer_v5(struct s5p_mfc_ctx *ctx) size_t buf_addr1, buf_addr2; int buf_size1, buf_size2; - buf_addr1 = ctx->bank1_phys; - buf_size1 = ctx->bank1_size; - buf_addr2 = ctx->bank2_phys; - buf_size2 = ctx->bank2_size; + buf_addr1 = ctx->bank1.dma; + buf_size1 = ctx->bank1.size; + buf_addr2 = ctx->bank2.dma; + buf_size2 = ctx->bank2.size; dpb = mfc_read(dev, S5P_FIMV_SI_CH0_DPB_CONF_CTRL) & ~S5P_FIMV_DPB_COUNT_MASK; mfc_write(dev, ctx->total_dpb_count | dpb, @@ -523,7 +463,6 @@ int s5p_mfc_set_dec_frame_buffer_v5(struct s5p_mfc_ctx *ctx) mfc_err("Unknown codec for decoding (%x)\n", ctx->codec_mode); return -EINVAL; - break; } frame_size = ctx->luma_size; frame_size_ch = ctx->chroma_size; @@ -607,10 +546,10 @@ int s5p_mfc_set_enc_ref_buffer_v5(struct s5p_mfc_ctx *ctx) unsigned int guard_width, guard_height; int i; - buf_addr1 = ctx->bank1_phys; - buf_size1 = ctx->bank1_size; - buf_addr2 = ctx->bank2_phys; - buf_size2 = ctx->bank2_size; + buf_addr1 = ctx->bank1.dma; + buf_size1 = ctx->bank1.size; + buf_addr2 = ctx->bank2.dma; + buf_size2 = ctx->bank2.size; enc_ref_y_size = ALIGN(ctx->img_width, S5P_FIMV_NV12MT_HALIGN) * ALIGN(ctx->img_height, S5P_FIMV_NV12MT_VALIGN); enc_ref_y_size = ALIGN(enc_ref_y_size, S5P_FIMV_NV12MT_SALIGN); diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c index 3a8cfd9fc1b..beb6dbacebd 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c @@ -73,6 +73,7 @@ int s5p_mfc_alloc_codec_buffers_v6(struct s5p_mfc_ctx *ctx) { struct s5p_mfc_dev *dev = ctx->dev; unsigned int mb_width, mb_height; + int ret; mb_width = MB_WIDTH(ctx->img_width); mb_height = MB_HEIGHT(ctx->img_height); @@ -112,7 +113,7 @@ int s5p_mfc_alloc_codec_buffers_v6(struct s5p_mfc_ctx *ctx) mb_height); ctx->scratch_buf_size = ALIGN(ctx->scratch_buf_size, S5P_FIMV_SCRATCH_BUFFER_ALIGN_V6); - ctx->bank1_size = + ctx->bank1.size = ctx->scratch_buf_size + (ctx->mv_count * ctx->mv_size); break; @@ -123,7 +124,7 @@ int s5p_mfc_alloc_codec_buffers_v6(struct s5p_mfc_ctx *ctx) mb_height); ctx->scratch_buf_size = ALIGN(ctx->scratch_buf_size, S5P_FIMV_SCRATCH_BUFFER_ALIGN_V6); - ctx->bank1_size = ctx->scratch_buf_size; + ctx->bank1.size = ctx->scratch_buf_size; break; case S5P_MFC_CODEC_VC1RCV_DEC: case S5P_MFC_CODEC_VC1_DEC: @@ -133,11 +134,11 @@ int s5p_mfc_alloc_codec_buffers_v6(struct s5p_mfc_ctx *ctx) mb_height); ctx->scratch_buf_size = ALIGN(ctx->scratch_buf_size, S5P_FIMV_SCRATCH_BUFFER_ALIGN_V6); - ctx->bank1_size = ctx->scratch_buf_size; + ctx->bank1.size = ctx->scratch_buf_size; break; case S5P_MFC_CODEC_MPEG2_DEC: - ctx->bank1_size = 0; - ctx->bank2_size = 0; + ctx->bank1.size = 0; + ctx->bank2.size = 0; break; case S5P_MFC_CODEC_H263_DEC: ctx->scratch_buf_size = @@ -146,7 +147,7 @@ int s5p_mfc_alloc_codec_buffers_v6(struct s5p_mfc_ctx *ctx) mb_height); ctx->scratch_buf_size = ALIGN(ctx->scratch_buf_size, S5P_FIMV_SCRATCH_BUFFER_ALIGN_V6); - ctx->bank1_size = ctx->scratch_buf_size; + ctx->bank1.size = ctx->scratch_buf_size; break; case S5P_MFC_CODEC_VP8_DEC: ctx->scratch_buf_size = @@ -155,7 +156,7 @@ int s5p_mfc_alloc_codec_buffers_v6(struct s5p_mfc_ctx *ctx) mb_height); ctx->scratch_buf_size = ALIGN(ctx->scratch_buf_size, S5P_FIMV_SCRATCH_BUFFER_ALIGN_V6); - ctx->bank1_size = ctx->scratch_buf_size; + ctx->bank1.size = ctx->scratch_buf_size; break; case S5P_MFC_CODEC_H264_ENC: ctx->scratch_buf_size = @@ -164,11 +165,11 @@ int s5p_mfc_alloc_codec_buffers_v6(struct s5p_mfc_ctx *ctx) mb_height); ctx->scratch_buf_size = ALIGN(ctx->scratch_buf_size, S5P_FIMV_SCRATCH_BUFFER_ALIGN_V6); - ctx->bank1_size = + ctx->bank1.size = ctx->scratch_buf_size + ctx->tmv_buffer_size + (ctx->dpb_count * (ctx->luma_dpb_size + ctx->chroma_dpb_size + ctx->me_buffer_size)); - ctx->bank2_size = 0; + ctx->bank2.size = 0; break; case S5P_MFC_CODEC_MPEG4_ENC: case S5P_MFC_CODEC_H263_ENC: @@ -178,28 +179,24 @@ int s5p_mfc_alloc_codec_buffers_v6(struct s5p_mfc_ctx *ctx) mb_height); ctx->scratch_buf_size = ALIGN(ctx->scratch_buf_size, S5P_FIMV_SCRATCH_BUFFER_ALIGN_V6); - ctx->bank1_size = + ctx->bank1.size = ctx->scratch_buf_size + ctx->tmv_buffer_size + (ctx->dpb_count * (ctx->luma_dpb_size + ctx->chroma_dpb_size + ctx->me_buffer_size)); - ctx->bank2_size = 0; + ctx->bank2.size = 0; break; default: break; } /* Allocate only if memory from bank 1 is necessary */ - if (ctx->bank1_size > 0) { - ctx->bank1_buf = vb2_dma_contig_memops.alloc( - dev->alloc_ctx[MFC_BANK1_ALLOC_CTX], ctx->bank1_size); - if (IS_ERR(ctx->bank1_buf)) { - ctx->bank1_buf = 0; - pr_err("Buf alloc for decoding failed (port A)\n"); - return -ENOMEM; + if (ctx->bank1.size > 0) { + ret = s5p_mfc_alloc_priv_buf(dev->mem_dev_l, &ctx->bank1); + if (ret) { + mfc_err("Failed to allocate Bank1 memory\n"); + return ret; } - ctx->bank1_phys = s5p_mfc_mem_cookie( - dev->alloc_ctx[MFC_BANK1_ALLOC_CTX], ctx->bank1_buf); - BUG_ON(ctx->bank1_phys & ((1 << MFC_BANK1_ALIGN_ORDER) - 1)); + BUG_ON(ctx->bank1.dma & ((1 << MFC_BANK1_ALIGN_ORDER) - 1)); } return 0; @@ -208,12 +205,7 @@ int s5p_mfc_alloc_codec_buffers_v6(struct s5p_mfc_ctx *ctx) /* Release buffers allocated for codec */ void s5p_mfc_release_codec_buffers_v6(struct s5p_mfc_ctx *ctx) { - if (ctx->bank1_buf) { - vb2_dma_contig_memops.put(ctx->bank1_buf); - ctx->bank1_buf = 0; - ctx->bank1_phys = 0; - ctx->bank1_size = 0; - } + s5p_mfc_release_priv_buf(ctx->dev->mem_dev_l, &ctx->bank1); } /* Allocate memory for instance data buffer */ @@ -221,6 +213,7 @@ int s5p_mfc_alloc_instance_buffer_v6(struct s5p_mfc_ctx *ctx) { struct s5p_mfc_dev *dev = ctx->dev; struct s5p_mfc_buf_size_v6 *buf_size = dev->variant->buf_size->priv; + int ret; mfc_debug_enter(); @@ -250,25 +243,10 @@ int s5p_mfc_alloc_instance_buffer_v6(struct s5p_mfc_ctx *ctx) break; } - ctx->ctx.alloc = vb2_dma_contig_memops.alloc( - dev->alloc_ctx[MFC_BANK1_ALLOC_CTX], ctx->ctx.size); - if (IS_ERR(ctx->ctx.alloc)) { - mfc_err("Allocating context buffer failed.\n"); - return PTR_ERR(ctx->ctx.alloc); - } - - ctx->ctx.dma = s5p_mfc_mem_cookie( - dev->alloc_ctx[MFC_BANK1_ALLOC_CTX], ctx->ctx.alloc); - - ctx->ctx.virt = vb2_dma_contig_memops.vaddr(ctx->ctx.alloc); - if (!ctx->ctx.virt) { - vb2_dma_contig_memops.put(ctx->ctx.alloc); - ctx->ctx.alloc = NULL; - ctx->ctx.dma = 0; - ctx->ctx.virt = NULL; - - mfc_err("Remapping context buffer failed.\n"); - return -ENOMEM; + ret = s5p_mfc_alloc_priv_buf(dev->mem_dev_l, &ctx->ctx); + if (ret) { + mfc_err("Failed to allocate instance buffer\n"); + return ret; } memset(ctx->ctx.virt, 0, ctx->ctx.size); @@ -282,44 +260,22 @@ int s5p_mfc_alloc_instance_buffer_v6(struct s5p_mfc_ctx *ctx) /* Release instance buffer */ void s5p_mfc_release_instance_buffer_v6(struct s5p_mfc_ctx *ctx) { - mfc_debug_enter(); - - if (ctx->ctx.alloc) { - vb2_dma_contig_memops.put(ctx->ctx.alloc); - ctx->ctx.alloc = NULL; - ctx->ctx.dma = 0; - ctx->ctx.virt = NULL; - } - - mfc_debug_leave(); + s5p_mfc_release_priv_buf(ctx->dev->mem_dev_l, &ctx->ctx); } /* Allocate context buffers for SYS_INIT */ int s5p_mfc_alloc_dev_context_buffer_v6(struct s5p_mfc_dev *dev) { struct s5p_mfc_buf_size_v6 *buf_size = dev->variant->buf_size->priv; + int ret; mfc_debug_enter(); - dev->ctx_buf.alloc = vb2_dma_contig_memops.alloc( - dev->alloc_ctx[MFC_BANK1_ALLOC_CTX], buf_size->dev_ctx); - if (IS_ERR(dev->ctx_buf.alloc)) { - mfc_err("Allocating DESC buffer failed.\n"); - return PTR_ERR(dev->ctx_buf.alloc); - } - - dev->ctx_buf.dma = s5p_mfc_mem_cookie( - dev->alloc_ctx[MFC_BANK1_ALLOC_CTX], - dev->ctx_buf.alloc); - - dev->ctx_buf.virt = vb2_dma_contig_memops.vaddr(dev->ctx_buf.alloc); - if (!dev->ctx_buf.virt) { - vb2_dma_contig_memops.put(dev->ctx_buf.alloc); - dev->ctx_buf.alloc = NULL; - dev->ctx_buf.dma = 0; - - mfc_err("Remapping DESC buffer failed.\n"); - return -ENOMEM; + dev->ctx_buf.size = buf_size->dev_ctx; + ret = s5p_mfc_alloc_priv_buf(dev->mem_dev_l, &dev->ctx_buf); + if (ret) { + mfc_err("Failed to allocate device context buffer\n"); + return ret; } memset(dev->ctx_buf.virt, 0, buf_size->dev_ctx); @@ -333,12 +289,7 @@ int s5p_mfc_alloc_dev_context_buffer_v6(struct s5p_mfc_dev *dev) /* Release context buffers for SYS_INIT */ void s5p_mfc_release_dev_context_buffer_v6(struct s5p_mfc_dev *dev) { - if (dev->ctx_buf.alloc) { - vb2_dma_contig_memops.put(dev->ctx_buf.alloc); - dev->ctx_buf.alloc = NULL; - dev->ctx_buf.dma = 0; - dev->ctx_buf.virt = NULL; - } + s5p_mfc_release_priv_buf(dev->mem_dev_l, &dev->ctx_buf); } static int calc_plane(int width, int height) @@ -417,8 +368,8 @@ int s5p_mfc_set_dec_frame_buffer_v6(struct s5p_mfc_ctx *ctx) int buf_size1; int align_gap; - buf_addr1 = ctx->bank1_phys; - buf_size1 = ctx->bank1_size; + buf_addr1 = ctx->bank1.dma; + buf_size1 = ctx->bank1.size; mfc_debug(2, "Buf1: %p (%d)\n", (void *)buf_addr1, buf_size1); mfc_debug(2, "Total DPB COUNT: %d\n", ctx->total_dpb_count); @@ -535,13 +486,13 @@ void s5p_mfc_get_enc_frame_buffer_v6(struct s5p_mfc_ctx *ctx, int s5p_mfc_set_enc_ref_buffer_v6(struct s5p_mfc_ctx *ctx) { struct s5p_mfc_dev *dev = ctx->dev; - size_t buf_addr1, buf_size1; - int i; + size_t buf_addr1; + int i, buf_size1; mfc_debug_enter(); - buf_addr1 = ctx->bank1_phys; - buf_size1 = ctx->bank1_size; + buf_addr1 = ctx->bank1.dma; + buf_size1 = ctx->bank1.size; mfc_debug(2, "Buf1: %p (%d)\n", (void *)buf_addr1, buf_size1); @@ -1253,12 +1204,14 @@ int s5p_mfc_init_decode_v6(struct s5p_mfc_ctx *ctx) static inline void s5p_mfc_set_flush(struct s5p_mfc_ctx *ctx, int flush) { struct s5p_mfc_dev *dev = ctx->dev; - unsigned int dpb; - if (flush) - dpb = READL(S5P_FIMV_SI_CH0_DPB_CONF_CTRL) | (1 << 14); - else - dpb = READL(S5P_FIMV_SI_CH0_DPB_CONF_CTRL) & ~(1 << 14); - WRITEL(dpb, S5P_FIMV_SI_CH0_DPB_CONF_CTRL); + + if (flush) { + dev->curr_ctx = ctx->num; + s5p_mfc_clean_ctx_int_flags(ctx); + WRITEL(ctx->inst_no, S5P_FIMV_INSTANCE_ID_V6); + s5p_mfc_hw_call(dev->mfc_cmds, cmd_host2risc, dev, + S5P_FIMV_H2R_CMD_FLUSH_V6, NULL); + } } /* Decode a single frame */ @@ -1408,7 +1361,6 @@ static inline int s5p_mfc_run_dec_frame(struct s5p_mfc_ctx *ctx) struct s5p_mfc_buf *temp_vb; unsigned long flags; int last_frame = 0; - unsigned int index; spin_lock_irqsave(&dev->irqlock, flags); @@ -1427,8 +1379,6 @@ static inline int s5p_mfc_run_dec_frame(struct s5p_mfc_ctx *ctx) temp_vb->b->v4l2_planes[0].bytesused); spin_unlock_irqrestore(&dev->irqlock, flags); - index = temp_vb->b->v4l2_buf.index; - dev->curr_ctx = ctx->num; s5p_mfc_clean_ctx_int_flags(ctx); if (temp_vb->b->v4l2_planes[0].bytesused == 0) { @@ -1452,7 +1402,6 @@ static inline int s5p_mfc_run_enc_frame(struct s5p_mfc_ctx *ctx) unsigned int src_y_size, src_c_size; */ unsigned int dst_size; - unsigned int index; spin_lock_irqsave(&dev->irqlock, flags); @@ -1487,8 +1436,6 @@ static inline int s5p_mfc_run_enc_frame(struct s5p_mfc_ctx *ctx) spin_unlock_irqrestore(&dev->irqlock, flags); - index = src_mb->b->v4l2_buf.index; - dev->curr_ctx = ctx->num; s5p_mfc_clean_ctx_int_flags(ctx); s5p_mfc_encode_one_frame_v6(ctx); @@ -1656,6 +1603,9 @@ void s5p_mfc_try_run_v6(struct s5p_mfc_dev *dev) case MFCINST_HEAD_PARSED: ret = s5p_mfc_run_init_dec_buffers(ctx); break; + case MFCINST_FLUSH: + s5p_mfc_set_flush(ctx, ctx->dpb_flush_flag); + break; case MFCINST_RES_CHANGE_INIT: s5p_mfc_run_dec_last_frames(ctx); break; diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_pm.c b/drivers/media/platform/s5p-mfc/s5p_mfc_pm.c index 2895333866f..6aa38a56aaf 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc_pm.c +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_pm.c @@ -46,7 +46,7 @@ int s5p_mfc_init_pm(struct s5p_mfc_dev *dev) ret = clk_prepare(pm->clock_gate); if (ret) { - mfc_err("Failed to preapre clock-gating control\n"); + mfc_err("Failed to prepare clock-gating control\n"); goto err_p_ip_clk; } diff --git a/drivers/media/platform/s5p-tv/hdmi_drv.c b/drivers/media/platform/s5p-tv/hdmi_drv.c index 7c1116c73bf..8de1b3dce45 100644 --- a/drivers/media/platform/s5p-tv/hdmi_drv.c +++ b/drivers/media/platform/s5p-tv/hdmi_drv.c @@ -656,7 +656,7 @@ static int hdmi_g_mbus_fmt(struct v4l2_subdev *sd, dev_dbg(hdev->dev, "%s\n", __func__); if (!hdev->cur_conf) return -EINVAL; - memset(fmt, 0, sizeof *fmt); + memset(fmt, 0, sizeof(*fmt)); fmt->width = t->hact.end - t->hact.beg; fmt->height = t->vact[0].end - t->vact[0].beg; fmt->code = V4L2_MBUS_FMT_FIXED; /* means RGB888 */ @@ -760,7 +760,7 @@ static void hdmi_resources_cleanup(struct hdmi_device *hdev) clk_put(res->sclk_hdmi); if (!IS_ERR_OR_NULL(res->hdmi)) clk_put(res->hdmi); - memset(res, 0, sizeof *res); + memset(res, 0, sizeof(*res)); } static int hdmi_resources_init(struct hdmi_device *hdev) @@ -777,31 +777,31 @@ static int hdmi_resources_init(struct hdmi_device *hdev) dev_dbg(dev, "HDMI resource init\n"); - memset(res, 0, sizeof *res); + memset(res, 0, sizeof(*res)); /* get clocks, power */ res->hdmi = clk_get(dev, "hdmi"); - if (IS_ERR_OR_NULL(res->hdmi)) { + if (IS_ERR(res->hdmi)) { dev_err(dev, "failed to get clock 'hdmi'\n"); goto fail; } res->sclk_hdmi = clk_get(dev, "sclk_hdmi"); - if (IS_ERR_OR_NULL(res->sclk_hdmi)) { + if (IS_ERR(res->sclk_hdmi)) { dev_err(dev, "failed to get clock 'sclk_hdmi'\n"); goto fail; } res->sclk_pixel = clk_get(dev, "sclk_pixel"); - if (IS_ERR_OR_NULL(res->sclk_pixel)) { + if (IS_ERR(res->sclk_pixel)) { dev_err(dev, "failed to get clock 'sclk_pixel'\n"); goto fail; } res->sclk_hdmiphy = clk_get(dev, "sclk_hdmiphy"); - if (IS_ERR_OR_NULL(res->sclk_hdmiphy)) { + if (IS_ERR(res->sclk_hdmiphy)) { dev_err(dev, "failed to get clock 'sclk_hdmiphy'\n"); goto fail; } res->hdmiphy = clk_get(dev, "hdmiphy"); - if (IS_ERR_OR_NULL(res->hdmiphy)) { + if (IS_ERR(res->hdmiphy)) { dev_err(dev, "failed to get clock 'hdmiphy'\n"); goto fail; } @@ -955,7 +955,7 @@ static int hdmi_probe(struct platform_device *pdev) v4l2_subdev_init(sd, &hdmi_sd_ops); sd->owner = THIS_MODULE; - strlcpy(sd->name, "s5p-hdmi", sizeof sd->name); + strlcpy(sd->name, "s5p-hdmi", sizeof(sd->name)); hdmi_dev->cur_preset = HDMI_DEFAULT_PRESET; /* FIXME: missing fail preset is not supported */ hdmi_dev->cur_conf = hdmi_preset2timings(hdmi_dev->cur_preset); diff --git a/drivers/media/platform/s5p-tv/hdmiphy_drv.c b/drivers/media/platform/s5p-tv/hdmiphy_drv.c index 06b5d2dbb2d..80717cec76a 100644 --- a/drivers/media/platform/s5p-tv/hdmiphy_drv.c +++ b/drivers/media/platform/s5p-tv/hdmiphy_drv.c @@ -284,7 +284,7 @@ static int hdmiphy_probe(struct i2c_client *client, { struct hdmiphy_ctx *ctx; - ctx = kzalloc(sizeof *ctx, GFP_KERNEL); + ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); if (!ctx) return -ENOMEM; diff --git a/drivers/media/platform/s5p-tv/mixer.h b/drivers/media/platform/s5p-tv/mixer.h index b671e20e931..04e6490a45b 100644 --- a/drivers/media/platform/s5p-tv/mixer.h +++ b/drivers/media/platform/s5p-tv/mixer.h @@ -19,6 +19,7 @@ #endif #include <linux/fb.h> +#include <linux/irqreturn.h> #include <linux/kernel.h> #include <linux/spinlock.h> #include <linux/wait.h> diff --git a/drivers/media/platform/s5p-tv/mixer_drv.c b/drivers/media/platform/s5p-tv/mixer_drv.c index 02faea03aa7..5733033a6ea 100644 --- a/drivers/media/platform/s5p-tv/mixer_drv.c +++ b/drivers/media/platform/s5p-tv/mixer_drv.c @@ -240,27 +240,27 @@ static int mxr_acquire_clocks(struct mxr_device *mdev) struct device *dev = mdev->dev; res->mixer = clk_get(dev, "mixer"); - if (IS_ERR_OR_NULL(res->mixer)) { + if (IS_ERR(res->mixer)) { mxr_err(mdev, "failed to get clock 'mixer'\n"); goto fail; } res->vp = clk_get(dev, "vp"); - if (IS_ERR_OR_NULL(res->vp)) { + if (IS_ERR(res->vp)) { mxr_err(mdev, "failed to get clock 'vp'\n"); goto fail; } res->sclk_mixer = clk_get(dev, "sclk_mixer"); - if (IS_ERR_OR_NULL(res->sclk_mixer)) { + if (IS_ERR(res->sclk_mixer)) { mxr_err(mdev, "failed to get clock 'sclk_mixer'\n"); goto fail; } res->sclk_hdmi = clk_get(dev, "sclk_hdmi"); - if (IS_ERR_OR_NULL(res->sclk_hdmi)) { + if (IS_ERR(res->sclk_hdmi)) { mxr_err(mdev, "failed to get clock 'sclk_hdmi'\n"); goto fail; } res->sclk_dac = clk_get(dev, "sclk_dac"); - if (IS_ERR_OR_NULL(res->sclk_dac)) { + if (IS_ERR(res->sclk_dac)) { mxr_err(mdev, "failed to get clock 'sclk_dac'\n"); goto fail; } @@ -298,7 +298,7 @@ static void mxr_release_resources(struct mxr_device *mdev) { mxr_release_clocks(mdev); mxr_release_plat_resources(mdev); - memset(&mdev->res, 0, sizeof mdev->res); + memset(&mdev->res, 0, sizeof(mdev->res)); } static void mxr_release_layers(struct mxr_device *mdev) @@ -382,7 +382,7 @@ static int mxr_probe(struct platform_device *pdev) /* mdev does not exist yet so no mxr_dbg is used */ dev_info(dev, "probe start\n"); - mdev = kzalloc(sizeof *mdev, GFP_KERNEL); + mdev = kzalloc(sizeof(*mdev), GFP_KERNEL); if (!mdev) { dev_err(dev, "not enough memory.\n"); ret = -ENOMEM; diff --git a/drivers/media/platform/s5p-tv/mixer_reg.c b/drivers/media/platform/s5p-tv/mixer_reg.c index 3b1670a045f..b713403024e 100644 --- a/drivers/media/platform/s5p-tv/mixer_reg.c +++ b/drivers/media/platform/s5p-tv/mixer_reg.c @@ -470,11 +470,11 @@ static inline void mxr_reg_vp_filter_set(struct mxr_device *mdev, static void mxr_reg_vp_default_filter(struct mxr_device *mdev) { mxr_reg_vp_filter_set(mdev, VP_POLY8_Y0_LL, - filter_y_horiz_tap8, sizeof filter_y_horiz_tap8); + filter_y_horiz_tap8, sizeof(filter_y_horiz_tap8)); mxr_reg_vp_filter_set(mdev, VP_POLY4_Y0_LL, - filter_y_vert_tap4, sizeof filter_y_vert_tap4); + filter_y_vert_tap4, sizeof(filter_y_vert_tap4)); mxr_reg_vp_filter_set(mdev, VP_POLY4_C0_LL, - filter_cr_horiz_tap4, sizeof filter_cr_horiz_tap4); + filter_cr_horiz_tap4, sizeof(filter_cr_horiz_tap4)); } static void mxr_reg_mxr_dump(struct mxr_device *mdev) diff --git a/drivers/media/platform/s5p-tv/mixer_video.c b/drivers/media/platform/s5p-tv/mixer_video.c index 1f3b7436511..82142a2d6d9 100644 --- a/drivers/media/platform/s5p-tv/mixer_video.c +++ b/drivers/media/platform/s5p-tv/mixer_video.c @@ -19,6 +19,7 @@ #include <linux/videodev2.h> #include <linux/mm.h> #include <linux/module.h> +#include <linux/platform_device.h> #include <linux/timer.h> #include <media/videobuf2-dma-contig.h> @@ -95,7 +96,7 @@ int mxr_acquire_video(struct mxr_device *mdev, /* trying to register next output */ if (sd == NULL) continue; - out = kzalloc(sizeof *out, GFP_KERNEL); + out = kzalloc(sizeof(*out), GFP_KERNEL); if (out == NULL) { mxr_err(mdev, "no memory for '%s'\n", conf->output_name); @@ -127,7 +128,7 @@ fail_output: /* kfree is NULL-safe */ for (i = 0; i < mdev->output_cnt; ++i) kfree(mdev->output[i]); - memset(mdev->output, 0, sizeof mdev->output); + memset(mdev->output, 0, sizeof(mdev->output)); fail_vb2_allocator: /* freeing allocator context */ @@ -160,8 +161,8 @@ static int mxr_querycap(struct file *file, void *priv, mxr_dbg(layer->mdev, "%s:%d\n", __func__, __LINE__); - strlcpy(cap->driver, MXR_DRIVER_NAME, sizeof cap->driver); - strlcpy(cap->card, layer->vfd.name, sizeof cap->card); + strlcpy(cap->driver, MXR_DRIVER_NAME, sizeof(cap->driver)); + strlcpy(cap->card, layer->vfd.name, sizeof(cap->card)); sprintf(cap->bus_info, "%d", layer->idx); cap->device_caps = V4L2_CAP_STREAMING | V4L2_CAP_VIDEO_OUTPUT_MPLANE; cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; @@ -192,7 +193,7 @@ static void mxr_layer_default_geo(struct mxr_layer *layer) struct mxr_device *mdev = layer->mdev; struct v4l2_mbus_framefmt mbus_fmt; - memset(&layer->geo, 0, sizeof layer->geo); + memset(&layer->geo, 0, sizeof(layer->geo)); mxr_get_mbus_fmt(mdev, &mbus_fmt); @@ -425,7 +426,7 @@ static int mxr_s_selection(struct file *file, void *fh, struct mxr_geometry tmp; struct v4l2_rect res; - memset(&res, 0, sizeof res); + memset(&res, 0, sizeof(res)); mxr_dbg(layer->mdev, "%s: rect: %dx%d@%d,%d\n", __func__, s->r.width, s->r.height, s->r.left, s->r.top); @@ -464,7 +465,7 @@ static int mxr_s_selection(struct file *file, void *fh, /* apply change and update geometry if needed */ if (target) { /* backup current geometry if setup fails */ - memcpy(&tmp, geo, sizeof tmp); + memcpy(&tmp, geo, sizeof(tmp)); /* apply requested selection */ target->x_offset = s->r.left; @@ -496,7 +497,7 @@ static int mxr_s_selection(struct file *file, void *fh, fail: /* restore old geometry, which is not touched if target is NULL */ if (target) - memcpy(geo, &tmp, sizeof tmp); + memcpy(geo, &tmp, sizeof(tmp)); return -ERANGE; } @@ -1071,7 +1072,7 @@ struct mxr_layer *mxr_base_layer_create(struct mxr_device *mdev, { struct mxr_layer *layer; - layer = kzalloc(sizeof *layer, GFP_KERNEL); + layer = kzalloc(sizeof(*layer), GFP_KERNEL); if (layer == NULL) { mxr_err(mdev, "not enough memory for layer.\n"); goto fail; diff --git a/drivers/media/platform/s5p-tv/sdo_drv.c b/drivers/media/platform/s5p-tv/sdo_drv.c index 91a6939a270..ab6f9ef8942 100644 --- a/drivers/media/platform/s5p-tv/sdo_drv.c +++ b/drivers/media/platform/s5p-tv/sdo_drv.c @@ -301,7 +301,7 @@ static int sdo_probe(struct platform_device *pdev) struct clk *sclk_vpll; dev_info(dev, "probe start\n"); - sdev = devm_kzalloc(&pdev->dev, sizeof *sdev, GFP_KERNEL); + sdev = devm_kzalloc(&pdev->dev, sizeof(*sdev), GFP_KERNEL); if (!sdev) { dev_err(dev, "not enough memory.\n"); ret = -ENOMEM; @@ -341,47 +341,50 @@ static int sdo_probe(struct platform_device *pdev) /* acquire clocks */ sdev->sclk_dac = clk_get(dev, "sclk_dac"); - if (IS_ERR_OR_NULL(sdev->sclk_dac)) { + if (IS_ERR(sdev->sclk_dac)) { dev_err(dev, "failed to get clock 'sclk_dac'\n"); - ret = -ENXIO; + ret = PTR_ERR(sdev->sclk_dac); goto fail; } sdev->dac = clk_get(dev, "dac"); - if (IS_ERR_OR_NULL(sdev->dac)) { + if (IS_ERR(sdev->dac)) { dev_err(dev, "failed to get clock 'dac'\n"); - ret = -ENXIO; + ret = PTR_ERR(sdev->dac); goto fail_sclk_dac; } sdev->dacphy = clk_get(dev, "dacphy"); - if (IS_ERR_OR_NULL(sdev->dacphy)) { + if (IS_ERR(sdev->dacphy)) { dev_err(dev, "failed to get clock 'dacphy'\n"); - ret = -ENXIO; + ret = PTR_ERR(sdev->dacphy); goto fail_dac; } sclk_vpll = clk_get(dev, "sclk_vpll"); - if (IS_ERR_OR_NULL(sclk_vpll)) { + if (IS_ERR(sclk_vpll)) { dev_err(dev, "failed to get clock 'sclk_vpll'\n"); - ret = -ENXIO; + ret = PTR_ERR(sclk_vpll); goto fail_dacphy; } clk_set_parent(sdev->sclk_dac, sclk_vpll); clk_put(sclk_vpll); sdev->fout_vpll = clk_get(dev, "fout_vpll"); - if (IS_ERR_OR_NULL(sdev->fout_vpll)) { + if (IS_ERR(sdev->fout_vpll)) { dev_err(dev, "failed to get clock 'fout_vpll'\n"); + ret = PTR_ERR(sdev->fout_vpll); goto fail_dacphy; } dev_info(dev, "fout_vpll.rate = %lu\n", clk_get_rate(sclk_vpll)); /* acquire regulator */ sdev->vdac = devm_regulator_get(dev, "vdd33a_dac"); - if (IS_ERR_OR_NULL(sdev->vdac)) { + if (IS_ERR(sdev->vdac)) { dev_err(dev, "failed to get regulator 'vdac'\n"); + ret = PTR_ERR(sdev->vdac); goto fail_fout_vpll; } sdev->vdet = devm_regulator_get(dev, "vdet"); - if (IS_ERR_OR_NULL(sdev->vdet)) { + if (IS_ERR(sdev->vdet)) { dev_err(dev, "failed to get regulator 'vdet'\n"); + ret = PTR_ERR(sdev->vdet); goto fail_fout_vpll; } @@ -394,7 +397,7 @@ static int sdo_probe(struct platform_device *pdev) /* configuration of interface subdevice */ v4l2_subdev_init(&sdev->sd, &sdo_sd_ops); sdev->sd.owner = THIS_MODULE; - strlcpy(sdev->sd.name, "s5p-sdo", sizeof sdev->sd.name); + strlcpy(sdev->sd.name, "s5p-sdo", sizeof(sdev->sd.name)); /* set default format */ sdev->fmt = sdo_find_format(SDO_DEFAULT_STD); diff --git a/drivers/media/platform/s5p-tv/sii9234_drv.c b/drivers/media/platform/s5p-tv/sii9234_drv.c index 49191aac963..d90d2286090 100644 --- a/drivers/media/platform/s5p-tv/sii9234_drv.c +++ b/drivers/media/platform/s5p-tv/sii9234_drv.c @@ -338,7 +338,7 @@ static int sii9234_probe(struct i2c_client *client, } ctx->gpio_n_reset = pdata->gpio_n_reset; - ret = gpio_request(ctx->gpio_n_reset, "MHL_RST"); + ret = devm_gpio_request(dev, ctx->gpio_n_reset, "MHL_RST"); if (ret) { dev_err(dev, "failed to acquire MHL_RST gpio\n"); return ret; @@ -370,7 +370,6 @@ fail_pm_get: fail_pm: pm_runtime_disable(dev); - gpio_free(ctx->gpio_n_reset); fail: dev_err(dev, "probe failed\n"); @@ -381,11 +380,8 @@ fail: static int sii9234_remove(struct i2c_client *client) { struct device *dev = &client->dev; - struct v4l2_subdev *sd = i2c_get_clientdata(client); - struct sii9234_context *ctx = sd_to_context(sd); pm_runtime_disable(dev); - gpio_free(ctx->gpio_n_reset); dev_info(dev, "remove successful\n"); diff --git a/drivers/media/platform/sh_veu.c b/drivers/media/platform/sh_veu.c new file mode 100644 index 00000000000..cb54c69d574 --- /dev/null +++ b/drivers/media/platform/sh_veu.c @@ -0,0 +1,1266 @@ +/* + * sh-mobile VEU mem2mem driver + * + * Copyright (C) 2012 Renesas Electronics Corporation + * Author: Guennadi Liakhovetski, <g.liakhovetski@gmx.de> + * Copyright (C) 2008 Magnus Damm + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the version 2 of the GNU General Public License as + * published by the Free Software Foundation + */ + +#include <linux/fs.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/interrupt.h> +#include <linux/io.h> +#include <linux/platform_device.h> +#include <linux/pm_runtime.h> +#include <linux/slab.h> +#include <linux/types.h> +#include <linux/videodev2.h> + +#include <media/v4l2-dev.h> +#include <media/v4l2-device.h> +#include <media/v4l2-ioctl.h> +#include <media/v4l2-mem2mem.h> +#include <media/videobuf2-dma-contig.h> + +#define VEU_STR 0x00 /* start register */ +#define VEU_SWR 0x10 /* src: line length */ +#define VEU_SSR 0x14 /* src: image size */ +#define VEU_SAYR 0x18 /* src: y/rgb plane address */ +#define VEU_SACR 0x1c /* src: c plane address */ +#define VEU_BSSR 0x20 /* bundle mode register */ +#define VEU_EDWR 0x30 /* dst: line length */ +#define VEU_DAYR 0x34 /* dst: y/rgb plane address */ +#define VEU_DACR 0x38 /* dst: c plane address */ +#define VEU_TRCR 0x50 /* transform control */ +#define VEU_RFCR 0x54 /* resize scale */ +#define VEU_RFSR 0x58 /* resize clip */ +#define VEU_ENHR 0x5c /* enhance */ +#define VEU_FMCR 0x70 /* filter mode */ +#define VEU_VTCR 0x74 /* lowpass vertical */ +#define VEU_HTCR 0x78 /* lowpass horizontal */ +#define VEU_APCR 0x80 /* color match */ +#define VEU_ECCR 0x84 /* color replace */ +#define VEU_AFXR 0x90 /* fixed mode */ +#define VEU_SWPR 0x94 /* swap */ +#define VEU_EIER 0xa0 /* interrupt mask */ +#define VEU_EVTR 0xa4 /* interrupt event */ +#define VEU_STAR 0xb0 /* status */ +#define VEU_BSRR 0xb4 /* reset */ + +#define VEU_MCR00 0x200 /* color conversion matrix coefficient 00 */ +#define VEU_MCR01 0x204 /* color conversion matrix coefficient 01 */ +#define VEU_MCR02 0x208 /* color conversion matrix coefficient 02 */ +#define VEU_MCR10 0x20c /* color conversion matrix coefficient 10 */ +#define VEU_MCR11 0x210 /* color conversion matrix coefficient 11 */ +#define VEU_MCR12 0x214 /* color conversion matrix coefficient 12 */ +#define VEU_MCR20 0x218 /* color conversion matrix coefficient 20 */ +#define VEU_MCR21 0x21c /* color conversion matrix coefficient 21 */ +#define VEU_MCR22 0x220 /* color conversion matrix coefficient 22 */ +#define VEU_COFFR 0x224 /* color conversion offset */ +#define VEU_CBR 0x228 /* color conversion clip */ + +/* + * 4092x4092 max size is the normal case. In some cases it can be reduced to + * 2048x2048, in other cases it can be 4092x8188 or even 8188x8188. + */ +#define MAX_W 4092 +#define MAX_H 4092 +#define MIN_W 8 +#define MIN_H 8 +#define ALIGN_W 4 + +/* 3 buffers of 2048 x 1536 - 3 megapixels @ 16bpp */ +#define VIDEO_MEM_LIMIT ALIGN(2048 * 1536 * 2 * 3, 1024 * 1024) + +#define MEM2MEM_DEF_TRANSLEN 1 + +struct sh_veu_dev; + +struct sh_veu_file { + struct sh_veu_dev *veu_dev; + bool cfg_needed; +}; + +struct sh_veu_format { + char *name; + u32 fourcc; + unsigned int depth; + unsigned int ydepth; +}; + +/* video data format */ +struct sh_veu_vfmt { + /* Replace with v4l2_rect */ + struct v4l2_rect frame; + unsigned int bytesperline; + unsigned int offset_y; + unsigned int offset_c; + const struct sh_veu_format *fmt; +}; + +struct sh_veu_dev { + struct v4l2_device v4l2_dev; + struct video_device vdev; + struct v4l2_m2m_dev *m2m_dev; + struct device *dev; + struct v4l2_m2m_ctx *m2m_ctx; + struct sh_veu_vfmt vfmt_out; + struct sh_veu_vfmt vfmt_in; + /* Only single user per direction so far */ + struct sh_veu_file *capture; + struct sh_veu_file *output; + struct mutex fop_lock; + void __iomem *base; + struct vb2_alloc_ctx *alloc_ctx; + spinlock_t lock; + bool is_2h; + unsigned int xaction; + bool aborting; +}; + +enum sh_veu_fmt_idx { + SH_VEU_FMT_NV12, + SH_VEU_FMT_NV16, + SH_VEU_FMT_NV24, + SH_VEU_FMT_RGB332, + SH_VEU_FMT_RGB444, + SH_VEU_FMT_RGB565, + SH_VEU_FMT_RGB666, + SH_VEU_FMT_RGB24, +}; + +#define VGA_WIDTH 640 +#define VGA_HEIGHT 480 + +#define DEFAULT_IN_WIDTH VGA_WIDTH +#define DEFAULT_IN_HEIGHT VGA_HEIGHT +#define DEFAULT_IN_FMTIDX SH_VEU_FMT_NV12 +#define DEFAULT_OUT_WIDTH VGA_WIDTH +#define DEFAULT_OUT_HEIGHT VGA_HEIGHT +#define DEFAULT_OUT_FMTIDX SH_VEU_FMT_RGB565 + +/* + * Alignment: Y-plane should be 4-byte aligned for NV12 and NV16, and 8-byte + * aligned for NV24. + */ +static const struct sh_veu_format sh_veu_fmt[] = { + [SH_VEU_FMT_NV12] = { .ydepth = 8, .depth = 12, .name = "NV12", .fourcc = V4L2_PIX_FMT_NV12 }, + [SH_VEU_FMT_NV16] = { .ydepth = 8, .depth = 16, .name = "NV16", .fourcc = V4L2_PIX_FMT_NV16 }, + [SH_VEU_FMT_NV24] = { .ydepth = 8, .depth = 24, .name = "NV24", .fourcc = V4L2_PIX_FMT_NV24 }, + [SH_VEU_FMT_RGB332] = { .ydepth = 8, .depth = 8, .name = "RGB332", .fourcc = V4L2_PIX_FMT_RGB332 }, + [SH_VEU_FMT_RGB444] = { .ydepth = 16, .depth = 16, .name = "RGB444", .fourcc = V4L2_PIX_FMT_RGB444 }, + [SH_VEU_FMT_RGB565] = { .ydepth = 16, .depth = 16, .name = "RGB565", .fourcc = V4L2_PIX_FMT_RGB565 }, + [SH_VEU_FMT_RGB666] = { .ydepth = 32, .depth = 32, .name = "BGR666", .fourcc = V4L2_PIX_FMT_BGR666 }, + [SH_VEU_FMT_RGB24] = { .ydepth = 24, .depth = 24, .name = "RGB24", .fourcc = V4L2_PIX_FMT_RGB24 }, +}; + +#define DEFAULT_IN_VFMT (struct sh_veu_vfmt){ \ + .frame = { \ + .width = VGA_WIDTH, \ + .height = VGA_HEIGHT, \ + }, \ + .bytesperline = (VGA_WIDTH * sh_veu_fmt[DEFAULT_IN_FMTIDX].ydepth) >> 3, \ + .fmt = &sh_veu_fmt[DEFAULT_IN_FMTIDX], \ +} + +#define DEFAULT_OUT_VFMT (struct sh_veu_vfmt){ \ + .frame = { \ + .width = VGA_WIDTH, \ + .height = VGA_HEIGHT, \ + }, \ + .bytesperline = (VGA_WIDTH * sh_veu_fmt[DEFAULT_OUT_FMTIDX].ydepth) >> 3, \ + .fmt = &sh_veu_fmt[DEFAULT_OUT_FMTIDX], \ +} + +/* + * TODO: add support for further output formats: + * SH_VEU_FMT_NV12, + * SH_VEU_FMT_NV16, + * SH_VEU_FMT_NV24, + * SH_VEU_FMT_RGB332, + * SH_VEU_FMT_RGB444, + * SH_VEU_FMT_RGB666, + * SH_VEU_FMT_RGB24, + */ + +static const int sh_veu_fmt_out[] = { + SH_VEU_FMT_RGB565, +}; + +/* + * TODO: add support for further input formats: + * SH_VEU_FMT_NV16, + * SH_VEU_FMT_NV24, + * SH_VEU_FMT_RGB565, + * SH_VEU_FMT_RGB666, + * SH_VEU_FMT_RGB24, + */ +static const int sh_veu_fmt_in[] = { + SH_VEU_FMT_NV12, +}; + +static enum v4l2_colorspace sh_veu_4cc2cspace(u32 fourcc) +{ + switch (fourcc) { + default: + BUG(); + case V4L2_PIX_FMT_NV12: + case V4L2_PIX_FMT_NV16: + case V4L2_PIX_FMT_NV24: + return V4L2_COLORSPACE_JPEG; + case V4L2_PIX_FMT_RGB332: + case V4L2_PIX_FMT_RGB444: + case V4L2_PIX_FMT_RGB565: + case V4L2_PIX_FMT_BGR666: + case V4L2_PIX_FMT_RGB24: + return V4L2_COLORSPACE_SRGB; + } +} + +static u32 sh_veu_reg_read(struct sh_veu_dev *veu, unsigned int reg) +{ + return ioread32(veu->base + reg); +} + +static void sh_veu_reg_write(struct sh_veu_dev *veu, unsigned int reg, + u32 value) +{ + iowrite32(value, veu->base + reg); +} + + /* ========== mem2mem callbacks ========== */ + +static void sh_veu_job_abort(void *priv) +{ + struct sh_veu_dev *veu = priv; + + /* Will cancel the transaction in the next interrupt handler */ + veu->aborting = true; +} + +static void sh_veu_lock(void *priv) +{ + struct sh_veu_dev *veu = priv; + + mutex_lock(&veu->fop_lock); +} + +static void sh_veu_unlock(void *priv) +{ + struct sh_veu_dev *veu = priv; + + mutex_unlock(&veu->fop_lock); +} + +static void sh_veu_process(struct sh_veu_dev *veu, + struct vb2_buffer *src_buf, + struct vb2_buffer *dst_buf) +{ + dma_addr_t addr = vb2_dma_contig_plane_dma_addr(dst_buf, 0); + + sh_veu_reg_write(veu, VEU_DAYR, addr + veu->vfmt_out.offset_y); + sh_veu_reg_write(veu, VEU_DACR, veu->vfmt_out.offset_c ? + addr + veu->vfmt_out.offset_c : 0); + dev_dbg(veu->dev, "%s(): dst base %lx, y: %x, c: %x\n", __func__, + (unsigned long)addr, + veu->vfmt_out.offset_y, veu->vfmt_out.offset_c); + + addr = vb2_dma_contig_plane_dma_addr(src_buf, 0); + sh_veu_reg_write(veu, VEU_SAYR, addr + veu->vfmt_in.offset_y); + sh_veu_reg_write(veu, VEU_SACR, veu->vfmt_in.offset_c ? + addr + veu->vfmt_in.offset_c : 0); + dev_dbg(veu->dev, "%s(): src base %lx, y: %x, c: %x\n", __func__, + (unsigned long)addr, + veu->vfmt_in.offset_y, veu->vfmt_in.offset_c); + + sh_veu_reg_write(veu, VEU_STR, 1); + + sh_veu_reg_write(veu, VEU_EIER, 1); /* enable interrupt in VEU */ +} + +/** + * sh_veu_device_run() - prepares and starts the device + * + * This will be called by the framework when it decides to schedule a particular + * instance. + */ +static void sh_veu_device_run(void *priv) +{ + struct sh_veu_dev *veu = priv; + struct vb2_buffer *src_buf, *dst_buf; + + src_buf = v4l2_m2m_next_src_buf(veu->m2m_ctx); + dst_buf = v4l2_m2m_next_dst_buf(veu->m2m_ctx); + + if (src_buf && dst_buf) + sh_veu_process(veu, src_buf, dst_buf); +} + + /* ========== video ioctls ========== */ + +static bool sh_veu_is_streamer(struct sh_veu_dev *veu, struct sh_veu_file *veu_file, + enum v4l2_buf_type type) +{ + return (type == V4L2_BUF_TYPE_VIDEO_CAPTURE && + veu_file == veu->capture) || + (type == V4L2_BUF_TYPE_VIDEO_OUTPUT && + veu_file == veu->output); +} + +static int sh_veu_queue_init(void *priv, struct vb2_queue *src_vq, + struct vb2_queue *dst_vq); + +/* + * It is not unusual to have video nodes open()ed multiple times. While some + * V4L2 operations are non-intrusive, like querying formats and various + * parameters, others, like setting formats, starting and stopping streaming, + * queuing and dequeuing buffers, directly affect hardware configuration and / + * or execution. This function verifies availability of the requested interface + * and, if available, reserves it for the requesting user. + */ +static int sh_veu_stream_init(struct sh_veu_dev *veu, struct sh_veu_file *veu_file, + enum v4l2_buf_type type) +{ + struct sh_veu_file **stream; + + switch (type) { + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + stream = &veu->capture; + break; + case V4L2_BUF_TYPE_VIDEO_OUTPUT: + stream = &veu->output; + break; + default: + return -EINVAL; + } + + if (*stream == veu_file) + return 0; + + if (*stream) + return -EBUSY; + + *stream = veu_file; + + return 0; +} + +static int sh_veu_context_init(struct sh_veu_dev *veu) +{ + if (veu->m2m_ctx) + return 0; + + veu->m2m_ctx = v4l2_m2m_ctx_init(veu->m2m_dev, veu, + sh_veu_queue_init); + + if (IS_ERR(veu->m2m_ctx)) + return PTR_ERR(veu->m2m_ctx); + + return 0; +} + +static int sh_veu_querycap(struct file *file, void *priv, + struct v4l2_capability *cap) +{ + strlcpy(cap->driver, "sh-veu", sizeof(cap->driver)); + strlcpy(cap->card, "sh-mobile VEU", sizeof(cap->card)); + strlcpy(cap->bus_info, "platform:sh-veu", sizeof(cap->bus_info)); + cap->device_caps = V4L2_CAP_VIDEO_M2M | V4L2_CAP_STREAMING; + cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; + + return 0; +} + +static int sh_veu_enum_fmt(struct v4l2_fmtdesc *f, const int *fmt, int fmt_num) +{ + if (f->index >= fmt_num) + return -EINVAL; + + strlcpy(f->description, sh_veu_fmt[fmt[f->index]].name, sizeof(f->description)); + f->pixelformat = sh_veu_fmt[fmt[f->index]].fourcc; + return 0; +} + +static int sh_veu_enum_fmt_vid_cap(struct file *file, void *priv, + struct v4l2_fmtdesc *f) +{ + return sh_veu_enum_fmt(f, sh_veu_fmt_out, ARRAY_SIZE(sh_veu_fmt_out)); +} + +static int sh_veu_enum_fmt_vid_out(struct file *file, void *priv, + struct v4l2_fmtdesc *f) +{ + return sh_veu_enum_fmt(f, sh_veu_fmt_in, ARRAY_SIZE(sh_veu_fmt_in)); +} + +static struct sh_veu_vfmt *sh_veu_get_vfmt(struct sh_veu_dev *veu, + enum v4l2_buf_type type) +{ + switch (type) { + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + return &veu->vfmt_out; + case V4L2_BUF_TYPE_VIDEO_OUTPUT: + return &veu->vfmt_in; + default: + return NULL; + } +} + +static int sh_veu_g_fmt(struct sh_veu_file *veu_file, struct v4l2_format *f) +{ + struct v4l2_pix_format *pix = &f->fmt.pix; + struct sh_veu_dev *veu = veu_file->veu_dev; + struct sh_veu_vfmt *vfmt; + + vfmt = sh_veu_get_vfmt(veu, f->type); + + pix->width = vfmt->frame.width; + pix->height = vfmt->frame.height; + pix->field = V4L2_FIELD_NONE; + pix->pixelformat = vfmt->fmt->fourcc; + pix->colorspace = sh_veu_4cc2cspace(pix->pixelformat); + pix->bytesperline = vfmt->bytesperline; + pix->sizeimage = vfmt->bytesperline * pix->height * + vfmt->fmt->depth / vfmt->fmt->ydepth; + pix->priv = 0; + dev_dbg(veu->dev, "%s(): type: %d, size %u @ %ux%u, fmt %x\n", __func__, + f->type, pix->sizeimage, pix->width, pix->height, pix->pixelformat); + + return 0; +} + +static int sh_veu_g_fmt_vid_out(struct file *file, void *priv, + struct v4l2_format *f) +{ + return sh_veu_g_fmt(priv, f); +} + +static int sh_veu_g_fmt_vid_cap(struct file *file, void *priv, + struct v4l2_format *f) +{ + return sh_veu_g_fmt(priv, f); +} + +static int sh_veu_try_fmt(struct v4l2_format *f, const struct sh_veu_format *fmt) +{ + struct v4l2_pix_format *pix = &f->fmt.pix; + unsigned int y_bytes_used; + + /* + * V4L2 specification suggests, that the driver should correct the + * format struct if any of the dimensions is unsupported + */ + switch (pix->field) { + default: + case V4L2_FIELD_ANY: + pix->field = V4L2_FIELD_NONE; + /* fall through: continue handling V4L2_FIELD_NONE */ + case V4L2_FIELD_NONE: + break; + } + + v4l_bound_align_image(&pix->width, MIN_W, MAX_W, ALIGN_W, + &pix->height, MIN_H, MAX_H, 0, 0); + + y_bytes_used = (pix->width * fmt->ydepth) >> 3; + + if (pix->bytesperline < y_bytes_used) + pix->bytesperline = y_bytes_used; + pix->sizeimage = pix->height * pix->bytesperline * fmt->depth / fmt->ydepth; + + pix->pixelformat = fmt->fourcc; + pix->colorspace = sh_veu_4cc2cspace(pix->pixelformat); + pix->priv = 0; + + pr_debug("%s(): type: %d, size %u\n", __func__, f->type, pix->sizeimage); + + return 0; +} + +static const struct sh_veu_format *sh_veu_find_fmt(const struct v4l2_format *f) +{ + const int *fmt; + int i, n, dflt; + + pr_debug("%s(%d;%d)\n", __func__, f->type, f->fmt.pix.field); + + switch (f->type) { + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + fmt = sh_veu_fmt_out; + n = ARRAY_SIZE(sh_veu_fmt_out); + dflt = DEFAULT_OUT_FMTIDX; + break; + case V4L2_BUF_TYPE_VIDEO_OUTPUT: + default: + fmt = sh_veu_fmt_in; + n = ARRAY_SIZE(sh_veu_fmt_in); + dflt = DEFAULT_IN_FMTIDX; + break; + } + + for (i = 0; i < n; i++) + if (sh_veu_fmt[fmt[i]].fourcc == f->fmt.pix.pixelformat) + return &sh_veu_fmt[fmt[i]]; + + return &sh_veu_fmt[dflt]; +} + +static int sh_veu_try_fmt_vid_cap(struct file *file, void *priv, + struct v4l2_format *f) +{ + const struct sh_veu_format *fmt; + + fmt = sh_veu_find_fmt(f); + if (!fmt) + /* wrong buffer type */ + return -EINVAL; + + return sh_veu_try_fmt(f, fmt); +} + +static int sh_veu_try_fmt_vid_out(struct file *file, void *priv, + struct v4l2_format *f) +{ + const struct sh_veu_format *fmt; + + fmt = sh_veu_find_fmt(f); + if (!fmt) + /* wrong buffer type */ + return -EINVAL; + + return sh_veu_try_fmt(f, fmt); +} + +static void sh_veu_colour_offset(struct sh_veu_dev *veu, struct sh_veu_vfmt *vfmt) +{ + /* dst_left and dst_top validity will be verified in CROP / COMPOSE */ + unsigned int left = vfmt->frame.left & ~0x03; + unsigned int top = vfmt->frame.top; + dma_addr_t offset = ((left * veu->vfmt_out.fmt->depth) >> 3) + + top * veu->vfmt_out.bytesperline; + unsigned int y_line; + + vfmt->offset_y = offset; + + switch (vfmt->fmt->fourcc) { + case V4L2_PIX_FMT_NV12: + case V4L2_PIX_FMT_NV16: + case V4L2_PIX_FMT_NV24: + y_line = ALIGN(vfmt->frame.width, 16); + vfmt->offset_c = offset + y_line * vfmt->frame.height; + break; + case V4L2_PIX_FMT_RGB332: + case V4L2_PIX_FMT_RGB444: + case V4L2_PIX_FMT_RGB565: + case V4L2_PIX_FMT_BGR666: + case V4L2_PIX_FMT_RGB24: + vfmt->offset_c = 0; + break; + default: + BUG(); + } +} + +static int sh_veu_s_fmt(struct sh_veu_file *veu_file, struct v4l2_format *f) +{ + struct v4l2_pix_format *pix = &f->fmt.pix; + struct sh_veu_dev *veu = veu_file->veu_dev; + struct sh_veu_vfmt *vfmt; + struct vb2_queue *vq; + int ret = sh_veu_context_init(veu); + if (ret < 0) + return ret; + + vq = v4l2_m2m_get_vq(veu->m2m_ctx, f->type); + if (!vq) + return -EINVAL; + + if (vb2_is_busy(vq)) { + v4l2_err(&veu_file->veu_dev->v4l2_dev, "%s queue busy\n", __func__); + return -EBUSY; + } + + vfmt = sh_veu_get_vfmt(veu, f->type); + /* called after try_fmt(), hence vfmt != NULL. Implicit BUG_ON() below */ + + vfmt->fmt = sh_veu_find_fmt(f); + /* vfmt->fmt != NULL following the same argument as above */ + vfmt->frame.width = pix->width; + vfmt->frame.height = pix->height; + vfmt->bytesperline = pix->bytesperline; + + sh_veu_colour_offset(veu, vfmt); + + /* + * We could also verify and require configuration only if any parameters + * actually have changed, but it is unlikely, that the user requests the + * same configuration several times without closing the device. + */ + veu_file->cfg_needed = true; + + dev_dbg(veu->dev, + "Setting format for type %d, wxh: %dx%d, fmt: %x\n", + f->type, pix->width, pix->height, vfmt->fmt->fourcc); + + return 0; +} + +static int sh_veu_s_fmt_vid_cap(struct file *file, void *priv, + struct v4l2_format *f) +{ + int ret = sh_veu_try_fmt_vid_cap(file, priv, f); + if (ret) + return ret; + + return sh_veu_s_fmt(priv, f); +} + +static int sh_veu_s_fmt_vid_out(struct file *file, void *priv, + struct v4l2_format *f) +{ + int ret = sh_veu_try_fmt_vid_out(file, priv, f); + if (ret) + return ret; + + return sh_veu_s_fmt(priv, f); +} + +static int sh_veu_reqbufs(struct file *file, void *priv, + struct v4l2_requestbuffers *reqbufs) +{ + struct sh_veu_file *veu_file = priv; + struct sh_veu_dev *veu = veu_file->veu_dev; + int ret = sh_veu_context_init(veu); + if (ret < 0) + return ret; + + ret = sh_veu_stream_init(veu, veu_file, reqbufs->type); + if (ret < 0) + return ret; + + return v4l2_m2m_reqbufs(file, veu->m2m_ctx, reqbufs); +} + +static int sh_veu_querybuf(struct file *file, void *priv, + struct v4l2_buffer *buf) +{ + struct sh_veu_file *veu_file = priv; + + if (!sh_veu_is_streamer(veu_file->veu_dev, veu_file, buf->type)) + return -EBUSY; + + return v4l2_m2m_querybuf(file, veu_file->veu_dev->m2m_ctx, buf); +} + +static int sh_veu_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf) +{ + struct sh_veu_file *veu_file = priv; + + dev_dbg(veu_file->veu_dev->dev, "%s(%d)\n", __func__, buf->type); + if (!sh_veu_is_streamer(veu_file->veu_dev, veu_file, buf->type)) + return -EBUSY; + + return v4l2_m2m_qbuf(file, veu_file->veu_dev->m2m_ctx, buf); +} + +static int sh_veu_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf) +{ + struct sh_veu_file *veu_file = priv; + + dev_dbg(veu_file->veu_dev->dev, "%s(%d)\n", __func__, buf->type); + if (!sh_veu_is_streamer(veu_file->veu_dev, veu_file, buf->type)) + return -EBUSY; + + return v4l2_m2m_dqbuf(file, veu_file->veu_dev->m2m_ctx, buf); +} + +static void sh_veu_calc_scale(struct sh_veu_dev *veu, + int size_in, int size_out, int crop_out, + u32 *mant, u32 *frac, u32 *rep) +{ + u32 fixpoint; + + /* calculate FRAC and MANT */ + *rep = *mant = *frac = 0; + + if (size_in == size_out) { + if (crop_out != size_out) + *mant = 1; /* needed for cropping */ + return; + } + + /* VEU2H special upscale */ + if (veu->is_2h && size_out > size_in) { + u32 fixpoint = (4096 * size_in) / size_out; + *mant = fixpoint / 4096; + *frac = (fixpoint - (*mant * 4096)) & ~0x07; + + switch (*frac) { + case 0x800: + *rep = 1; + break; + case 0x400: + *rep = 3; + break; + case 0x200: + *rep = 7; + break; + } + if (*rep) + return; + } + + fixpoint = (4096 * (size_in - 1)) / (size_out + 1); + *mant = fixpoint / 4096; + *frac = fixpoint - (*mant * 4096); + + if (*frac & 0x07) { + /* + * FIXME: do we really have to round down twice in the + * up-scaling case? + */ + *frac &= ~0x07; + if (size_out > size_in) + *frac -= 8; /* round down if scaling up */ + else + *frac += 8; /* round up if scaling down */ + } +} + +static unsigned long sh_veu_scale_v(struct sh_veu_dev *veu, + int size_in, int size_out, int crop_out) +{ + u32 mant, frac, value, rep; + + sh_veu_calc_scale(veu, size_in, size_out, crop_out, &mant, &frac, &rep); + + /* set scale */ + value = (sh_veu_reg_read(veu, VEU_RFCR) & ~0xffff0000) | + (((mant << 12) | frac) << 16); + + sh_veu_reg_write(veu, VEU_RFCR, value); + + /* set clip */ + value = (sh_veu_reg_read(veu, VEU_RFSR) & ~0xffff0000) | + (((rep << 12) | crop_out) << 16); + + sh_veu_reg_write(veu, VEU_RFSR, value); + + return ALIGN((size_in * crop_out) / size_out, 4); +} + +static unsigned long sh_veu_scale_h(struct sh_veu_dev *veu, + int size_in, int size_out, int crop_out) +{ + u32 mant, frac, value, rep; + + sh_veu_calc_scale(veu, size_in, size_out, crop_out, &mant, &frac, &rep); + + /* set scale */ + value = (sh_veu_reg_read(veu, VEU_RFCR) & ~0xffff) | + (mant << 12) | frac; + + sh_veu_reg_write(veu, VEU_RFCR, value); + + /* set clip */ + value = (sh_veu_reg_read(veu, VEU_RFSR) & ~0xffff) | + (rep << 12) | crop_out; + + sh_veu_reg_write(veu, VEU_RFSR, value); + + return ALIGN((size_in * crop_out) / size_out, 4); +} + +static void sh_veu_configure(struct sh_veu_dev *veu) +{ + u32 src_width, src_stride, src_height; + u32 dst_width, dst_stride, dst_height; + u32 real_w, real_h; + + /* reset VEU */ + sh_veu_reg_write(veu, VEU_BSRR, 0x100); + + src_width = veu->vfmt_in.frame.width; + src_height = veu->vfmt_in.frame.height; + src_stride = ALIGN(veu->vfmt_in.frame.width, 16); + + dst_width = real_w = veu->vfmt_out.frame.width; + dst_height = real_h = veu->vfmt_out.frame.height; + /* Datasheet is unclear - whether it's always number of bytes or not */ + dst_stride = veu->vfmt_out.bytesperline; + + /* + * So far real_w == dst_width && real_h == dst_height, but it wasn't + * necessarily the case in the original vidix driver, so, it may change + * here in the future too. + */ + src_width = sh_veu_scale_h(veu, src_width, real_w, dst_width); + src_height = sh_veu_scale_v(veu, src_height, real_h, dst_height); + + sh_veu_reg_write(veu, VEU_SWR, src_stride); + sh_veu_reg_write(veu, VEU_SSR, src_width | (src_height << 16)); + sh_veu_reg_write(veu, VEU_BSSR, 0); /* not using bundle mode */ + + sh_veu_reg_write(veu, VEU_EDWR, dst_stride); + sh_veu_reg_write(veu, VEU_DACR, 0); /* unused for RGB */ + + sh_veu_reg_write(veu, VEU_SWPR, 0x67); + sh_veu_reg_write(veu, VEU_TRCR, (6 << 16) | (0 << 14) | 2 | 4); + + if (veu->is_2h) { + sh_veu_reg_write(veu, VEU_MCR00, 0x0cc5); + sh_veu_reg_write(veu, VEU_MCR01, 0x0950); + sh_veu_reg_write(veu, VEU_MCR02, 0x0000); + + sh_veu_reg_write(veu, VEU_MCR10, 0x397f); + sh_veu_reg_write(veu, VEU_MCR11, 0x0950); + sh_veu_reg_write(veu, VEU_MCR12, 0x3ccd); + + sh_veu_reg_write(veu, VEU_MCR20, 0x0000); + sh_veu_reg_write(veu, VEU_MCR21, 0x0950); + sh_veu_reg_write(veu, VEU_MCR22, 0x1023); + + sh_veu_reg_write(veu, VEU_COFFR, 0x00800010); + } +} + +static int sh_veu_streamon(struct file *file, void *priv, + enum v4l2_buf_type type) +{ + struct sh_veu_file *veu_file = priv; + + if (!sh_veu_is_streamer(veu_file->veu_dev, veu_file, type)) + return -EBUSY; + + if (veu_file->cfg_needed) { + struct sh_veu_dev *veu = veu_file->veu_dev; + veu_file->cfg_needed = false; + sh_veu_configure(veu_file->veu_dev); + veu->xaction = 0; + veu->aborting = false; + } + + return v4l2_m2m_streamon(file, veu_file->veu_dev->m2m_ctx, type); +} + +static int sh_veu_streamoff(struct file *file, void *priv, + enum v4l2_buf_type type) +{ + struct sh_veu_file *veu_file = priv; + + if (!sh_veu_is_streamer(veu_file->veu_dev, veu_file, type)) + return -EBUSY; + + return v4l2_m2m_streamoff(file, veu_file->veu_dev->m2m_ctx, type); +} + +static const struct v4l2_ioctl_ops sh_veu_ioctl_ops = { + .vidioc_querycap = sh_veu_querycap, + + .vidioc_enum_fmt_vid_cap = sh_veu_enum_fmt_vid_cap, + .vidioc_g_fmt_vid_cap = sh_veu_g_fmt_vid_cap, + .vidioc_try_fmt_vid_cap = sh_veu_try_fmt_vid_cap, + .vidioc_s_fmt_vid_cap = sh_veu_s_fmt_vid_cap, + + .vidioc_enum_fmt_vid_out = sh_veu_enum_fmt_vid_out, + .vidioc_g_fmt_vid_out = sh_veu_g_fmt_vid_out, + .vidioc_try_fmt_vid_out = sh_veu_try_fmt_vid_out, + .vidioc_s_fmt_vid_out = sh_veu_s_fmt_vid_out, + + .vidioc_reqbufs = sh_veu_reqbufs, + .vidioc_querybuf = sh_veu_querybuf, + + .vidioc_qbuf = sh_veu_qbuf, + .vidioc_dqbuf = sh_veu_dqbuf, + + .vidioc_streamon = sh_veu_streamon, + .vidioc_streamoff = sh_veu_streamoff, +}; + + /* ========== Queue operations ========== */ + +static int sh_veu_queue_setup(struct vb2_queue *vq, + const struct v4l2_format *f, + unsigned int *nbuffers, unsigned int *nplanes, + unsigned int sizes[], void *alloc_ctxs[]) +{ + struct sh_veu_dev *veu = vb2_get_drv_priv(vq); + struct sh_veu_vfmt *vfmt; + unsigned int size, count = *nbuffers; + + if (f) { + const struct v4l2_pix_format *pix = &f->fmt.pix; + const struct sh_veu_format *fmt = sh_veu_find_fmt(f); + struct v4l2_format ftmp = *f; + + if (fmt->fourcc != pix->pixelformat) + return -EINVAL; + sh_veu_try_fmt(&ftmp, fmt); + if (ftmp.fmt.pix.width != pix->width || + ftmp.fmt.pix.height != pix->height) + return -EINVAL; + size = pix->bytesperline ? pix->bytesperline * pix->height : + pix->width * pix->height * fmt->depth >> 3; + } else { + vfmt = sh_veu_get_vfmt(veu, vq->type); + size = vfmt->bytesperline * vfmt->frame.height; + } + + if (count < 2) + *nbuffers = count = 2; + + if (size * count > VIDEO_MEM_LIMIT) { + count = VIDEO_MEM_LIMIT / size; + *nbuffers = count; + } + + *nplanes = 1; + sizes[0] = size; + alloc_ctxs[0] = veu->alloc_ctx; + + dev_dbg(veu->dev, "get %d buffer(s) of size %d each.\n", count, size); + + return 0; +} + +static int sh_veu_buf_prepare(struct vb2_buffer *vb) +{ + struct sh_veu_dev *veu = vb2_get_drv_priv(vb->vb2_queue); + struct sh_veu_vfmt *vfmt; + unsigned int sizeimage; + + vfmt = sh_veu_get_vfmt(veu, vb->vb2_queue->type); + sizeimage = vfmt->bytesperline * vfmt->frame.height * + vfmt->fmt->depth / vfmt->fmt->ydepth; + + if (vb2_plane_size(vb, 0) < sizeimage) { + dev_dbg(veu->dev, "%s data will not fit into plane (%lu < %u)\n", + __func__, vb2_plane_size(vb, 0), sizeimage); + return -EINVAL; + } + + vb2_set_plane_payload(vb, 0, sizeimage); + + return 0; +} + +static void sh_veu_buf_queue(struct vb2_buffer *vb) +{ + struct sh_veu_dev *veu = vb2_get_drv_priv(vb->vb2_queue); + dev_dbg(veu->dev, "%s(%d)\n", __func__, vb->v4l2_buf.type); + v4l2_m2m_buf_queue(veu->m2m_ctx, vb); +} + +static void sh_veu_wait_prepare(struct vb2_queue *q) +{ + sh_veu_unlock(vb2_get_drv_priv(q)); +} + +static void sh_veu_wait_finish(struct vb2_queue *q) +{ + sh_veu_lock(vb2_get_drv_priv(q)); +} + +static const struct vb2_ops sh_veu_qops = { + .queue_setup = sh_veu_queue_setup, + .buf_prepare = sh_veu_buf_prepare, + .buf_queue = sh_veu_buf_queue, + .wait_prepare = sh_veu_wait_prepare, + .wait_finish = sh_veu_wait_finish, +}; + +static int sh_veu_queue_init(void *priv, struct vb2_queue *src_vq, + struct vb2_queue *dst_vq) +{ + int ret; + + memset(src_vq, 0, sizeof(*src_vq)); + src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT; + src_vq->io_modes = VB2_MMAP | VB2_USERPTR; + src_vq->drv_priv = priv; + src_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer); + src_vq->ops = &sh_veu_qops; + src_vq->mem_ops = &vb2_dma_contig_memops; + + ret = vb2_queue_init(src_vq); + if (ret < 0) + return ret; + + memset(dst_vq, 0, sizeof(*dst_vq)); + dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + dst_vq->io_modes = VB2_MMAP | VB2_USERPTR; + dst_vq->drv_priv = priv; + dst_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer); + dst_vq->ops = &sh_veu_qops; + dst_vq->mem_ops = &vb2_dma_contig_memops; + + return vb2_queue_init(dst_vq); +} + + /* ========== File operations ========== */ + +static int sh_veu_open(struct file *file) +{ + struct sh_veu_dev *veu = video_drvdata(file); + struct sh_veu_file *veu_file; + + veu_file = kzalloc(sizeof(*veu_file), GFP_KERNEL); + if (!veu_file) + return -ENOMEM; + + veu_file->veu_dev = veu; + veu_file->cfg_needed = true; + + file->private_data = veu_file; + + pm_runtime_get_sync(veu->dev); + + dev_dbg(veu->dev, "Created instance %p\n", veu_file); + + return 0; +} + +static int sh_veu_release(struct file *file) +{ + struct sh_veu_dev *veu = video_drvdata(file); + struct sh_veu_file *veu_file = file->private_data; + + dev_dbg(veu->dev, "Releasing instance %p\n", veu_file); + + pm_runtime_put(veu->dev); + + if (veu_file == veu->capture) { + veu->capture = NULL; + vb2_queue_release(v4l2_m2m_get_vq(veu->m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE)); + } + + if (veu_file == veu->output) { + veu->output = NULL; + vb2_queue_release(v4l2_m2m_get_vq(veu->m2m_ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT)); + } + + if (!veu->output && !veu->capture && veu->m2m_ctx) { + v4l2_m2m_ctx_release(veu->m2m_ctx); + veu->m2m_ctx = NULL; + } + + kfree(veu_file); + + return 0; +} + +static unsigned int sh_veu_poll(struct file *file, + struct poll_table_struct *wait) +{ + struct sh_veu_file *veu_file = file->private_data; + + return v4l2_m2m_poll(file, veu_file->veu_dev->m2m_ctx, wait); +} + +static int sh_veu_mmap(struct file *file, struct vm_area_struct *vma) +{ + struct sh_veu_file *veu_file = file->private_data; + + return v4l2_m2m_mmap(file, veu_file->veu_dev->m2m_ctx, vma); +} + +static const struct v4l2_file_operations sh_veu_fops = { + .owner = THIS_MODULE, + .open = sh_veu_open, + .release = sh_veu_release, + .poll = sh_veu_poll, + .unlocked_ioctl = video_ioctl2, + .mmap = sh_veu_mmap, +}; + +static const struct video_device sh_veu_videodev = { + .name = "sh-veu", + .fops = &sh_veu_fops, + .ioctl_ops = &sh_veu_ioctl_ops, + .minor = -1, + .release = video_device_release_empty, + .vfl_dir = VFL_DIR_M2M, +}; + +static const struct v4l2_m2m_ops sh_veu_m2m_ops = { + .device_run = sh_veu_device_run, + .job_abort = sh_veu_job_abort, +}; + +static irqreturn_t sh_veu_bh(int irq, void *dev_id) +{ + struct sh_veu_dev *veu = dev_id; + + if (veu->xaction == MEM2MEM_DEF_TRANSLEN || veu->aborting) { + v4l2_m2m_job_finish(veu->m2m_dev, veu->m2m_ctx); + veu->xaction = 0; + } else { + sh_veu_device_run(veu); + } + + return IRQ_HANDLED; +} + +static irqreturn_t sh_veu_isr(int irq, void *dev_id) +{ + struct sh_veu_dev *veu = dev_id; + struct vb2_buffer *dst; + struct vb2_buffer *src; + u32 status = sh_veu_reg_read(veu, VEU_EVTR); + + /* bundle read mode not used */ + if (!(status & 1)) + return IRQ_NONE; + + /* disable interrupt in VEU */ + sh_veu_reg_write(veu, VEU_EIER, 0); + /* halt operation */ + sh_veu_reg_write(veu, VEU_STR, 0); + /* ack int, write 0 to clear bits */ + sh_veu_reg_write(veu, VEU_EVTR, status & ~1); + + /* conversion completed */ + dst = v4l2_m2m_dst_buf_remove(veu->m2m_ctx); + src = v4l2_m2m_src_buf_remove(veu->m2m_ctx); + if (!src || !dst) + return IRQ_NONE; + + spin_lock(&veu->lock); + v4l2_m2m_buf_done(src, VB2_BUF_STATE_DONE); + v4l2_m2m_buf_done(dst, VB2_BUF_STATE_DONE); + spin_unlock(&veu->lock); + + veu->xaction++; + + if (!veu->aborting) + return IRQ_WAKE_THREAD; + + return IRQ_HANDLED; +} + +static int sh_veu_probe(struct platform_device *pdev) +{ + struct sh_veu_dev *veu; + struct resource *reg_res; + struct video_device *vdev; + int irq, ret; + + reg_res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + irq = platform_get_irq(pdev, 0); + + if (!reg_res || irq <= 0) { + dev_err(&pdev->dev, "Insufficient VEU platform information.\n"); + return -ENODEV; + } + + veu = devm_kzalloc(&pdev->dev, sizeof(*veu), GFP_KERNEL); + if (!veu) + return -ENOMEM; + + veu->is_2h = resource_size(reg_res) == 0x22c; + + veu->base = devm_request_and_ioremap(&pdev->dev, reg_res); + if (!veu->base) + return -ENOMEM; + + ret = devm_request_threaded_irq(&pdev->dev, irq, sh_veu_isr, sh_veu_bh, + 0, "veu", veu); + if (ret < 0) + return ret; + + ret = v4l2_device_register(&pdev->dev, &veu->v4l2_dev); + if (ret < 0) { + dev_err(&pdev->dev, "Error registering v4l2 device\n"); + return ret; + } + + vdev = &veu->vdev; + + veu->alloc_ctx = vb2_dma_contig_init_ctx(&pdev->dev); + if (IS_ERR(veu->alloc_ctx)) { + ret = PTR_ERR(veu->alloc_ctx); + goto einitctx; + } + + *vdev = sh_veu_videodev; + spin_lock_init(&veu->lock); + mutex_init(&veu->fop_lock); + vdev->lock = &veu->fop_lock; + + video_set_drvdata(vdev, veu); + + veu->dev = &pdev->dev; + veu->vfmt_out = DEFAULT_OUT_VFMT; + veu->vfmt_in = DEFAULT_IN_VFMT; + + veu->m2m_dev = v4l2_m2m_init(&sh_veu_m2m_ops); + if (IS_ERR(veu->m2m_dev)) { + ret = PTR_ERR(veu->m2m_dev); + v4l2_err(&veu->v4l2_dev, "Failed to init mem2mem device: %d\n", ret); + goto em2minit; + } + + pm_runtime_enable(&pdev->dev); + pm_runtime_resume(&pdev->dev); + + ret = video_register_device(vdev, VFL_TYPE_GRABBER, -1); + pm_runtime_suspend(&pdev->dev); + if (ret < 0) + goto evidreg; + + return ret; + +evidreg: + pm_runtime_disable(&pdev->dev); + v4l2_m2m_release(veu->m2m_dev); +em2minit: + vb2_dma_contig_cleanup_ctx(veu->alloc_ctx); +einitctx: + v4l2_device_unregister(&veu->v4l2_dev); + return ret; +} + +static int sh_veu_remove(struct platform_device *pdev) +{ + struct v4l2_device *v4l2_dev = platform_get_drvdata(pdev); + struct sh_veu_dev *veu = container_of(v4l2_dev, + struct sh_veu_dev, v4l2_dev); + + video_unregister_device(&veu->vdev); + pm_runtime_disable(&pdev->dev); + v4l2_m2m_release(veu->m2m_dev); + vb2_dma_contig_cleanup_ctx(veu->alloc_ctx); + v4l2_device_unregister(&veu->v4l2_dev); + + return 0; +} + +static struct platform_driver __refdata sh_veu_pdrv = { + .remove = sh_veu_remove, + .driver = { + .name = "sh_veu", + .owner = THIS_MODULE, + }, +}; + +static int __init sh_veu_init(void) +{ + return platform_driver_probe(&sh_veu_pdrv, sh_veu_probe); +} + +static void __exit sh_veu_exit(void) +{ + platform_driver_unregister(&sh_veu_pdrv); +} + +module_init(sh_veu_init); +module_exit(sh_veu_exit); + +MODULE_DESCRIPTION("sh-mobile VEU mem2mem driver"); +MODULE_AUTHOR("Guennadi Liakhovetski, <g.liakhovetski@gmx.de>"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/media/platform/sh_vou.c b/drivers/media/platform/sh_vou.c index f3c4571ac01..66c8da18df8 100644 --- a/drivers/media/platform/sh_vou.c +++ b/drivers/media/platform/sh_vou.c @@ -207,6 +207,7 @@ static void sh_vou_stream_start(struct sh_vou_device *vou_dev, #endif switch (vou_dev->pix.pixelformat) { + default: case V4L2_PIX_FMT_NV12: case V4L2_PIX_FMT_NV16: row_coeff = 1; @@ -253,7 +254,8 @@ static int sh_vou_buf_setup(struct videobuf_queue *vq, unsigned int *count, if (PAGE_ALIGN(*size) * *count > 4 * 1024 * 1024) *count = 4 * 1024 * 1024 / PAGE_ALIGN(*size); - dev_dbg(vq->dev, "%s(): count=%d, size=%d\n", __func__, *count, *size); + dev_dbg(vou_dev->v4l2_dev.dev, "%s(): count=%d, size=%d\n", __func__, + *count, *size); return 0; } @@ -269,7 +271,7 @@ static int sh_vou_buf_prepare(struct videobuf_queue *vq, int bytes_per_line = vou_fmt[vou_dev->pix_idx].bpp * pix->width / 8; int ret; - dev_dbg(vq->dev, "%s()\n", __func__); + dev_dbg(vou_dev->v4l2_dev.dev, "%s()\n", __func__); if (vb->width != pix->width || vb->height != pix->height || @@ -299,7 +301,7 @@ static int sh_vou_buf_prepare(struct videobuf_queue *vq, vb->state = VIDEOBUF_PREPARED; } - dev_dbg(vq->dev, + dev_dbg(vou_dev->v4l2_dev.dev, "%s(): fmt #%d, %u bytes per line, phys 0x%x, type %d, state %d\n", __func__, vou_dev->pix_idx, bytes_per_line, videobuf_to_dma_contig(vb), vb->memory, vb->state); @@ -314,7 +316,7 @@ static void sh_vou_buf_queue(struct videobuf_queue *vq, struct video_device *vdev = vq->priv_data; struct sh_vou_device *vou_dev = video_get_drvdata(vdev); - dev_dbg(vq->dev, "%s()\n", __func__); + dev_dbg(vou_dev->v4l2_dev.dev, "%s()\n", __func__); vb->state = VIDEOBUF_QUEUED; list_add_tail(&vb->queue, &vou_dev->queue); @@ -325,8 +327,8 @@ static void sh_vou_buf_queue(struct videobuf_queue *vq, vou_dev->active = vb; /* Start from side A: we use mirror addresses, so, set B */ sh_vou_reg_a_write(vou_dev, VOURPR, 1); - dev_dbg(vq->dev, "%s: first buffer status 0x%x\n", __func__, - sh_vou_reg_a_read(vou_dev, VOUSTR)); + dev_dbg(vou_dev->v4l2_dev.dev, "%s: first buffer status 0x%x\n", + __func__, sh_vou_reg_a_read(vou_dev, VOUSTR)); sh_vou_schedule_next(vou_dev, vb); /* Only activate VOU after the second buffer */ } else if (vou_dev->active->queue.next == &vb->queue) { @@ -336,8 +338,8 @@ static void sh_vou_buf_queue(struct videobuf_queue *vq, /* Register side switching with frame VSYNC */ sh_vou_reg_a_write(vou_dev, VOURCR, 5); - dev_dbg(vq->dev, "%s: second buffer status 0x%x\n", __func__, - sh_vou_reg_a_read(vou_dev, VOUSTR)); + dev_dbg(vou_dev->v4l2_dev.dev, "%s: second buffer status 0x%x\n", + __func__, sh_vou_reg_a_read(vou_dev, VOUSTR)); /* Enable End-of-Frame (VSYNC) interrupts */ sh_vou_reg_a_write(vou_dev, VOUIR, 0x10004); @@ -355,7 +357,7 @@ static void sh_vou_buf_release(struct videobuf_queue *vq, struct sh_vou_device *vou_dev = video_get_drvdata(vdev); unsigned long flags; - dev_dbg(vq->dev, "%s()\n", __func__); + dev_dbg(vou_dev->v4l2_dev.dev, "%s()\n", __func__); spin_lock_irqsave(&vou_dev->lock, flags); @@ -388,9 +390,9 @@ static struct videobuf_queue_ops sh_vou_video_qops = { static int sh_vou_querycap(struct file *file, void *priv, struct v4l2_capability *cap) { - struct sh_vou_file *vou_file = priv; + struct sh_vou_device *vou_dev = video_drvdata(file); - dev_dbg(vou_file->vbq.dev, "%s()\n", __func__); + dev_dbg(vou_dev->v4l2_dev.dev, "%s()\n", __func__); strlcpy(cap->card, "SuperH VOU", sizeof(cap->card)); cap->capabilities = V4L2_CAP_VIDEO_OUTPUT | V4L2_CAP_STREAMING; @@ -401,12 +403,12 @@ static int sh_vou_querycap(struct file *file, void *priv, static int sh_vou_enum_fmt_vid_out(struct file *file, void *priv, struct v4l2_fmtdesc *fmt) { - struct sh_vou_file *vou_file = priv; + struct sh_vou_device *vou_dev = video_drvdata(file); if (fmt->index >= ARRAY_SIZE(vou_fmt)) return -EINVAL; - dev_dbg(vou_file->vbq.dev, "%s()\n", __func__); + dev_dbg(vou_dev->v4l2_dev.dev, "%s()\n", __func__); fmt->type = V4L2_BUF_TYPE_VIDEO_OUTPUT; strlcpy(fmt->description, vou_fmt[fmt->index].desc, @@ -419,8 +421,7 @@ static int sh_vou_enum_fmt_vid_out(struct file *file, void *priv, static int sh_vou_g_fmt_vid_out(struct file *file, void *priv, struct v4l2_format *fmt) { - struct video_device *vdev = video_devdata(file); - struct sh_vou_device *vou_dev = video_get_drvdata(vdev); + struct sh_vou_device *vou_dev = video_drvdata(file); dev_dbg(vou_dev->v4l2_dev.dev, "%s()\n", __func__); @@ -595,9 +596,9 @@ static void vou_adjust_input(struct sh_vou_geometry *geo, v4l2_std_id std) */ static void vou_adjust_output(struct sh_vou_geometry *geo, v4l2_std_id std) { - unsigned int best_err = UINT_MAX, best, width_max, height_max, - img_height_max; - int i, idx; + unsigned int best_err = UINT_MAX, best = geo->in_width, + width_max, height_max, img_height_max; + int i, idx = 0; if (std & V4L2_STD_525_60) { width_max = 858; @@ -671,8 +672,7 @@ static void vou_adjust_output(struct sh_vou_geometry *geo, v4l2_std_id std) static int sh_vou_s_fmt_vid_out(struct file *file, void *priv, struct v4l2_format *fmt) { - struct video_device *vdev = video_devdata(file); - struct sh_vou_device *vou_dev = video_get_drvdata(vdev); + struct sh_vou_device *vou_dev = video_drvdata(file); struct v4l2_pix_format *pix = &fmt->fmt.pix; unsigned int img_height_max; int pix_idx; @@ -764,11 +764,11 @@ static int sh_vou_s_fmt_vid_out(struct file *file, void *priv, static int sh_vou_try_fmt_vid_out(struct file *file, void *priv, struct v4l2_format *fmt) { - struct sh_vou_file *vou_file = priv; + struct sh_vou_device *vou_dev = video_drvdata(file); struct v4l2_pix_format *pix = &fmt->fmt.pix; int i; - dev_dbg(vou_file->vbq.dev, "%s()\n", __func__); + dev_dbg(vou_dev->v4l2_dev.dev, "%s()\n", __func__); fmt->type = V4L2_BUF_TYPE_VIDEO_OUTPUT; pix->field = V4L2_FIELD_NONE; @@ -788,9 +788,10 @@ static int sh_vou_try_fmt_vid_out(struct file *file, void *priv, static int sh_vou_reqbufs(struct file *file, void *priv, struct v4l2_requestbuffers *req) { + struct sh_vou_device *vou_dev = video_drvdata(file); struct sh_vou_file *vou_file = priv; - dev_dbg(vou_file->vbq.dev, "%s()\n", __func__); + dev_dbg(vou_dev->v4l2_dev.dev, "%s()\n", __func__); if (req->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) return -EINVAL; @@ -801,27 +802,30 @@ static int sh_vou_reqbufs(struct file *file, void *priv, static int sh_vou_querybuf(struct file *file, void *priv, struct v4l2_buffer *b) { + struct sh_vou_device *vou_dev = video_drvdata(file); struct sh_vou_file *vou_file = priv; - dev_dbg(vou_file->vbq.dev, "%s()\n", __func__); + dev_dbg(vou_dev->v4l2_dev.dev, "%s()\n", __func__); return videobuf_querybuf(&vou_file->vbq, b); } static int sh_vou_qbuf(struct file *file, void *priv, struct v4l2_buffer *b) { + struct sh_vou_device *vou_dev = video_drvdata(file); struct sh_vou_file *vou_file = priv; - dev_dbg(vou_file->vbq.dev, "%s()\n", __func__); + dev_dbg(vou_dev->v4l2_dev.dev, "%s()\n", __func__); return videobuf_qbuf(&vou_file->vbq, b); } static int sh_vou_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b) { + struct sh_vou_device *vou_dev = video_drvdata(file); struct sh_vou_file *vou_file = priv; - dev_dbg(vou_file->vbq.dev, "%s()\n", __func__); + dev_dbg(vou_dev->v4l2_dev.dev, "%s()\n", __func__); return videobuf_dqbuf(&vou_file->vbq, b, file->f_flags & O_NONBLOCK); } @@ -829,12 +833,11 @@ static int sh_vou_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b) static int sh_vou_streamon(struct file *file, void *priv, enum v4l2_buf_type buftype) { - struct video_device *vdev = video_devdata(file); - struct sh_vou_device *vou_dev = video_get_drvdata(vdev); + struct sh_vou_device *vou_dev = video_drvdata(file); struct sh_vou_file *vou_file = priv; int ret; - dev_dbg(vou_file->vbq.dev, "%s()\n", __func__); + dev_dbg(vou_dev->v4l2_dev.dev, "%s()\n", __func__); ret = v4l2_device_call_until_err(&vou_dev->v4l2_dev, 0, video, s_stream, 1); @@ -848,11 +851,10 @@ static int sh_vou_streamon(struct file *file, void *priv, static int sh_vou_streamoff(struct file *file, void *priv, enum v4l2_buf_type buftype) { - struct video_device *vdev = video_devdata(file); - struct sh_vou_device *vou_dev = video_get_drvdata(vdev); + struct sh_vou_device *vou_dev = video_drvdata(file); struct sh_vou_file *vou_file = priv; - dev_dbg(vou_file->vbq.dev, "%s()\n", __func__); + dev_dbg(vou_dev->v4l2_dev.dev, "%s()\n", __func__); /* * This calls buf_release from host driver's videobuf_queue_ops for all @@ -881,13 +883,12 @@ static u32 sh_vou_ntsc_mode(enum sh_vou_bus_fmt bus_fmt) static int sh_vou_s_std(struct file *file, void *priv, v4l2_std_id *std_id) { - struct video_device *vdev = video_devdata(file); - struct sh_vou_device *vou_dev = video_get_drvdata(vdev); + struct sh_vou_device *vou_dev = video_drvdata(file); int ret; dev_dbg(vou_dev->v4l2_dev.dev, "%s(): 0x%llx\n", __func__, *std_id); - if (*std_id & ~vdev->tvnorms) + if (*std_id & ~vou_dev->vdev->tvnorms) return -EINVAL; ret = v4l2_device_call_until_err(&vou_dev->v4l2_dev, 0, video, @@ -909,8 +910,7 @@ static int sh_vou_s_std(struct file *file, void *priv, v4l2_std_id *std_id) static int sh_vou_g_std(struct file *file, void *priv, v4l2_std_id *std) { - struct video_device *vdev = video_devdata(file); - struct sh_vou_device *vou_dev = video_get_drvdata(vdev); + struct sh_vou_device *vou_dev = video_drvdata(file); dev_dbg(vou_dev->v4l2_dev.dev, "%s()\n", __func__); @@ -921,8 +921,7 @@ static int sh_vou_g_std(struct file *file, void *priv, v4l2_std_id *std) static int sh_vou_g_crop(struct file *file, void *fh, struct v4l2_crop *a) { - struct video_device *vdev = video_devdata(file); - struct sh_vou_device *vou_dev = video_get_drvdata(vdev); + struct sh_vou_device *vou_dev = video_drvdata(file); dev_dbg(vou_dev->v4l2_dev.dev, "%s()\n", __func__); @@ -936,8 +935,7 @@ static int sh_vou_g_crop(struct file *file, void *fh, struct v4l2_crop *a) static int sh_vou_s_crop(struct file *file, void *fh, const struct v4l2_crop *a) { struct v4l2_crop a_writable = *a; - struct video_device *vdev = video_devdata(file); - struct sh_vou_device *vou_dev = video_get_drvdata(vdev); + struct sh_vou_device *vou_dev = video_drvdata(file); struct v4l2_rect *rect = &a_writable.c; struct v4l2_crop sd_crop = {.type = V4L2_BUF_TYPE_VIDEO_OUTPUT}; struct v4l2_pix_format *pix = &vou_dev->pix; @@ -1028,9 +1026,9 @@ static int sh_vou_s_crop(struct file *file, void *fh, const struct v4l2_crop *a) static int sh_vou_cropcap(struct file *file, void *priv, struct v4l2_cropcap *a) { - struct sh_vou_file *vou_file = priv; + struct sh_vou_device *vou_dev = video_drvdata(file); - dev_dbg(vou_file->vbq.dev, "%s()\n", __func__); + dev_dbg(vou_dev->v4l2_dev.dev, "%s()\n", __func__); a->type = V4L2_BUF_TYPE_VIDEO_OUTPUT; a->bounds.left = 0; @@ -1091,7 +1089,7 @@ static irqreturn_t sh_vou_isr(int irq, void *dev_id) list_del(&vb->queue); vb->state = VIDEOBUF_DONE; - do_gettimeofday(&vb->ts); + v4l2_get_timestamp(&vb->ts); vb->field_count++; wake_up(&vb->done); @@ -1160,8 +1158,7 @@ static int sh_vou_hw_init(struct sh_vou_device *vou_dev) /* File operations */ static int sh_vou_open(struct file *file) { - struct video_device *vdev = video_devdata(file); - struct sh_vou_device *vou_dev = video_get_drvdata(vdev); + struct sh_vou_device *vou_dev = video_drvdata(file); struct sh_vou_file *vou_file = kzalloc(sizeof(struct sh_vou_file), GFP_KERNEL); @@ -1178,11 +1175,11 @@ static int sh_vou_open(struct file *file) int ret; /* First open */ vou_dev->status = SH_VOU_INITIALISING; - pm_runtime_get_sync(vdev->v4l2_dev->dev); + pm_runtime_get_sync(vou_dev->v4l2_dev.dev); ret = sh_vou_hw_init(vou_dev); if (ret < 0) { atomic_dec(&vou_dev->use_count); - pm_runtime_put(vdev->v4l2_dev->dev); + pm_runtime_put(vou_dev->v4l2_dev.dev); vou_dev->status = SH_VOU_IDLE; mutex_unlock(&vou_dev->fop_lock); return ret; @@ -1193,8 +1190,8 @@ static int sh_vou_open(struct file *file) vou_dev->v4l2_dev.dev, &vou_dev->lock, V4L2_BUF_TYPE_VIDEO_OUTPUT, V4L2_FIELD_NONE, - sizeof(struct videobuf_buffer), vdev, - &vou_dev->fop_lock); + sizeof(struct videobuf_buffer), + vou_dev->vdev, &vou_dev->fop_lock); mutex_unlock(&vou_dev->fop_lock); return 0; @@ -1202,18 +1199,17 @@ static int sh_vou_open(struct file *file) static int sh_vou_release(struct file *file) { - struct video_device *vdev = video_devdata(file); - struct sh_vou_device *vou_dev = video_get_drvdata(vdev); + struct sh_vou_device *vou_dev = video_drvdata(file); struct sh_vou_file *vou_file = file->private_data; - dev_dbg(vou_file->vbq.dev, "%s()\n", __func__); + dev_dbg(vou_dev->v4l2_dev.dev, "%s()\n", __func__); if (!atomic_dec_return(&vou_dev->use_count)) { mutex_lock(&vou_dev->fop_lock); /* Last close */ vou_dev->status = SH_VOU_IDLE; sh_vou_reg_a_set(vou_dev, VOUER, 0, 0x101); - pm_runtime_put(vdev->v4l2_dev->dev); + pm_runtime_put(vou_dev->v4l2_dev.dev); mutex_unlock(&vou_dev->fop_lock); } @@ -1225,12 +1221,11 @@ static int sh_vou_release(struct file *file) static int sh_vou_mmap(struct file *file, struct vm_area_struct *vma) { - struct video_device *vdev = video_devdata(file); - struct sh_vou_device *vou_dev = video_get_drvdata(vdev); + struct sh_vou_device *vou_dev = video_drvdata(file); struct sh_vou_file *vou_file = file->private_data; int ret; - dev_dbg(vou_file->vbq.dev, "%s()\n", __func__); + dev_dbg(vou_dev->v4l2_dev.dev, "%s()\n", __func__); if (mutex_lock_interruptible(&vou_dev->fop_lock)) return -ERESTARTSYS; @@ -1241,12 +1236,11 @@ static int sh_vou_mmap(struct file *file, struct vm_area_struct *vma) static unsigned int sh_vou_poll(struct file *file, poll_table *wait) { - struct video_device *vdev = video_devdata(file); - struct sh_vou_device *vou_dev = video_get_drvdata(vdev); + struct sh_vou_device *vou_dev = video_drvdata(file); struct sh_vou_file *vou_file = file->private_data; unsigned int res; - dev_dbg(vou_file->vbq.dev, "%s()\n", __func__); + dev_dbg(vou_dev->v4l2_dev.dev, "%s()\n", __func__); mutex_lock(&vou_dev->fop_lock); res = videobuf_poll_stream(file, &vou_file->vbq, wait); @@ -1257,8 +1251,7 @@ static unsigned int sh_vou_poll(struct file *file, poll_table *wait) static int sh_vou_g_chip_ident(struct file *file, void *fh, struct v4l2_dbg_chip_ident *id) { - struct video_device *vdev = video_devdata(file); - struct sh_vou_device *vou_dev = video_get_drvdata(vdev); + struct sh_vou_device *vou_dev = video_drvdata(file); return v4l2_device_call_until_err(&vou_dev->v4l2_dev, 0, core, g_chip_ident, id); } @@ -1267,8 +1260,7 @@ static int sh_vou_g_chip_ident(struct file *file, void *fh, static int sh_vou_g_register(struct file *file, void *fh, struct v4l2_dbg_register *reg) { - struct video_device *vdev = video_devdata(file); - struct sh_vou_device *vou_dev = video_get_drvdata(vdev); + struct sh_vou_device *vou_dev = video_drvdata(file); return v4l2_device_call_until_err(&vou_dev->v4l2_dev, 0, core, g_register, reg); } @@ -1276,8 +1268,7 @@ static int sh_vou_g_register(struct file *file, void *fh, static int sh_vou_s_register(struct file *file, void *fh, struct v4l2_dbg_register *reg) { - struct video_device *vdev = video_devdata(file); - struct sh_vou_device *vou_dev = video_get_drvdata(vdev); + struct sh_vou_device *vou_dev = video_drvdata(file); return v4l2_device_call_until_err(&vou_dev->v4l2_dev, 0, core, s_register, reg); } diff --git a/drivers/media/platform/soc_camera/Kconfig b/drivers/media/platform/soc_camera/Kconfig index cb6791e62bd..b139b525bb1 100644 --- a/drivers/media/platform/soc_camera/Kconfig +++ b/drivers/media/platform/soc_camera/Kconfig @@ -70,13 +70,12 @@ config VIDEO_MX2_HOSTSUPPORT bool config VIDEO_MX2 - tristate "i.MX27/i.MX25 Camera Sensor Interface driver" - depends on VIDEO_DEV && SOC_CAMERA && (MACH_MX27 || (ARCH_MX25 && BROKEN)) + tristate "i.MX27 Camera Sensor Interface driver" + depends on VIDEO_DEV && SOC_CAMERA && MACH_MX27 select VIDEOBUF2_DMA_CONTIG select VIDEO_MX2_HOSTSUPPORT ---help--- - This is a v4l2 driver for the i.MX27 and the i.MX25 Camera Sensor - Interface + This is a v4l2 driver for the i.MX27 Camera Sensor Interface config VIDEO_ATMEL_ISI tristate "ATMEL Image Sensor Interface (ISI) support" diff --git a/drivers/media/platform/soc_camera/atmel-isi.c b/drivers/media/platform/soc_camera/atmel-isi.c index d96c8c7e01d..82dbf99d347 100644 --- a/drivers/media/platform/soc_camera/atmel-isi.c +++ b/drivers/media/platform/soc_camera/atmel-isi.c @@ -166,7 +166,7 @@ static irqreturn_t atmel_isi_handle_streaming(struct atmel_isi *isi) struct frame_buffer *buf = isi->active; list_del_init(&buf->list); - do_gettimeofday(&vb->v4l2_buf.timestamp); + v4l2_get_timestamp(&vb->v4l2_buf.timestamp); vb->v4l2_buf.sequence = isi->sequence++; vb2_buffer_done(vb, VB2_BUF_STATE_DONE); } @@ -745,7 +745,7 @@ static int isi_camera_get_formats(struct soc_camera_device *icd, return formats; } -/* Called with .video_lock held */ +/* Called with .host_lock held */ static int isi_camera_add_device(struct soc_camera_device *icd) { struct soc_camera_host *ici = to_soc_camera_host(icd->parent); @@ -770,7 +770,7 @@ static int isi_camera_add_device(struct soc_camera_device *icd) icd->devnum); return 0; } -/* Called with .video_lock held */ +/* Called with .host_lock held */ static void isi_camera_remove_device(struct soc_camera_device *icd) { struct soc_camera_host *ici = to_soc_camera_host(icd->parent); diff --git a/drivers/media/platform/soc_camera/mx1_camera.c b/drivers/media/platform/soc_camera/mx1_camera.c index 032b8c9097f..25b2a285dc8 100644 --- a/drivers/media/platform/soc_camera/mx1_camera.c +++ b/drivers/media/platform/soc_camera/mx1_camera.c @@ -26,7 +26,6 @@ #include <linux/mm.h> #include <linux/module.h> #include <linux/moduleparam.h> -#include <linux/mutex.h> #include <linux/platform_device.h> #include <linux/sched.h> #include <linux/slab.h> @@ -307,7 +306,7 @@ static void mx1_camera_wakeup(struct mx1_camera_dev *pcdev, /* _init is used to debug races, see comment in mx1_camera_reqbufs() */ list_del_init(&vb->queue); vb->state = VIDEOBUF_DONE; - do_gettimeofday(&vb->ts); + v4l2_get_timestamp(&vb->ts); vb->field_count++; wake_up(&vb->done); @@ -373,7 +372,7 @@ static void mx1_camera_init_videobuf(struct videobuf_queue *q, videobuf_queue_dma_contig_init(q, &mx1_videobuf_ops, icd->parent, &pcdev->lock, V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_NONE, - sizeof(struct mx1_buffer), icd, &icd->video_lock); + sizeof(struct mx1_buffer), icd, &ici->host_lock); } static int mclk_get_divisor(struct mx1_camera_dev *pcdev) diff --git a/drivers/media/platform/soc_camera/mx2_camera.c b/drivers/media/platform/soc_camera/mx2_camera.c index 4a574f3cfb2..ffba7d91f41 100644 --- a/drivers/media/platform/soc_camera/mx2_camera.c +++ b/drivers/media/platform/soc_camera/mx2_camera.c @@ -1,5 +1,5 @@ /* - * V4L2 Driver for i.MX27/i.MX25 camera host + * V4L2 Driver for i.MX27 camera host * * Copyright (C) 2008, Sascha Hauer, Pengutronix * Copyright (C) 2010, Baruch Siach, Orex Computed Radiography @@ -28,7 +28,6 @@ #include <linux/time.h> #include <linux/device.h> #include <linux/platform_device.h> -#include <linux/mutex.h> #include <linux/clk.h> #include <media/v4l2-common.h> @@ -64,9 +63,7 @@ #define CSICR1_RF_OR_INTEN (1 << 24) #define CSICR1_STATFF_LEVEL (3 << 22) #define CSICR1_STATFF_INTEN (1 << 21) -#define CSICR1_RXFF_LEVEL(l) (((l) & 3) << 19) /* MX27 */ -#define CSICR1_FB2_DMA_INTEN (1 << 20) /* MX25 */ -#define CSICR1_FB1_DMA_INTEN (1 << 19) /* MX25 */ +#define CSICR1_RXFF_LEVEL(l) (((l) & 3) << 19) #define CSICR1_RXFF_INTEN (1 << 18) #define CSICR1_SOF_POL (1 << 17) #define CSICR1_SOF_INTEN (1 << 16) @@ -88,45 +85,15 @@ #define SHIFT_RXFF_LEVEL 19 #define SHIFT_MCLKDIV 12 -/* control reg 3 */ -#define CSICR3_FRMCNT (0xFFFF << 16) -#define CSICR3_FRMCNT_RST (1 << 15) -#define CSICR3_DMA_REFLASH_RFF (1 << 14) -#define CSICR3_DMA_REFLASH_SFF (1 << 13) -#define CSICR3_DMA_REQ_EN_RFF (1 << 12) -#define CSICR3_DMA_REQ_EN_SFF (1 << 11) -#define CSICR3_RXFF_LEVEL(l) (((l) & 7) << 4) /* MX25 */ -#define CSICR3_CSI_SUP (1 << 3) -#define CSICR3_ZERO_PACK_EN (1 << 2) -#define CSICR3_ECC_INT_EN (1 << 1) -#define CSICR3_ECC_AUTO_EN (1 << 0) - #define SHIFT_FRMCNT 16 -/* csi status reg */ -#define CSISR_SFF_OR_INT (1 << 25) -#define CSISR_RFF_OR_INT (1 << 24) -#define CSISR_STATFF_INT (1 << 21) -#define CSISR_DMA_TSF_FB2_INT (1 << 20) /* MX25 */ -#define CSISR_DMA_TSF_FB1_INT (1 << 19) /* MX25 */ -#define CSISR_RXFF_INT (1 << 18) -#define CSISR_EOF_INT (1 << 17) -#define CSISR_SOF_INT (1 << 16) -#define CSISR_F2_INT (1 << 15) -#define CSISR_F1_INT (1 << 14) -#define CSISR_COF_INT (1 << 13) -#define CSISR_ECC_INT (1 << 1) -#define CSISR_DRDY (1 << 0) - #define CSICR1 0x00 #define CSICR2 0x04 -#define CSISR_IMX25 0x18 -#define CSISR_IMX27 0x08 +#define CSISR 0x08 #define CSISTATFIFO 0x0c #define CSIRFIFO 0x10 #define CSIRXCNT 0x14 -#define CSICR3_IMX25 0x08 -#define CSICR3_IMX27 0x1c +#define CSICR3 0x1c #define CSIDMASA_STATFIFO 0x20 #define CSIDMATA_STATFIFO 0x24 #define CSIDMASA_FB1 0x28 @@ -249,12 +216,6 @@ struct mx2_fmt_cfg { struct mx2_prp_cfg cfg; }; -enum mx2_buffer_state { - MX2_STATE_QUEUED, - MX2_STATE_ACTIVE, - MX2_STATE_DONE, -}; - struct mx2_buf_internal { struct list_head queue; int bufnum; @@ -265,12 +226,10 @@ struct mx2_buf_internal { struct mx2_buffer { /* common v4l buffer stuff -- must be first */ struct vb2_buffer vb; - enum mx2_buffer_state state; struct mx2_buf_internal internal; }; enum mx2_camera_type { - IMX25_CAMERA, IMX27_CAMERA, }; @@ -298,8 +257,6 @@ struct mx2_camera_dev { struct mx2_buffer *fb2_active; u32 csicr1; - u32 reg_csisr; - u32 reg_csicr3; enum mx2_camera_type devtype; struct mx2_buf_internal buf_discard[2]; @@ -315,9 +272,6 @@ struct mx2_camera_dev { static struct platform_device_id mx2_camera_devtype[] = { { - .name = "imx25-camera", - .driver_data = IMX25_CAMERA, - }, { .name = "imx27-camera", .driver_data = IMX27_CAMERA, }, { @@ -326,16 +280,6 @@ static struct platform_device_id mx2_camera_devtype[] = { }; MODULE_DEVICE_TABLE(platform, mx2_camera_devtype); -static inline int is_imx25_camera(struct mx2_camera_dev *pcdev) -{ - return pcdev->devtype == IMX25_CAMERA; -} - -static inline int is_imx27_camera(struct mx2_camera_dev *pcdev) -{ - return pcdev->devtype == IMX27_CAMERA; -} - static struct mx2_buffer *mx2_ibuf_to_buf(struct mx2_buf_internal *int_buf) { return container_of(int_buf, struct mx2_buffer, internal); @@ -463,21 +407,10 @@ static void mx27_update_emma_buf(struct mx2_camera_dev *pcdev, static void mx2_camera_deactivate(struct mx2_camera_dev *pcdev) { - unsigned long flags; - clk_disable_unprepare(pcdev->clk_csi_ahb); clk_disable_unprepare(pcdev->clk_csi_per); writel(0, pcdev->base_csi + CSICR1); - if (is_imx27_camera(pcdev)) { - writel(0, pcdev->base_emma + PRP_CNTL); - } else if (is_imx25_camera(pcdev)) { - spin_lock_irqsave(&pcdev->lock, flags); - pcdev->fb1_active = NULL; - pcdev->fb2_active = NULL; - writel(0, pcdev->base_csi + CSIDMASA_FB1); - writel(0, pcdev->base_csi + CSIDMASA_FB2); - spin_unlock_irqrestore(&pcdev->lock, flags); - } + writel(0, pcdev->base_emma + PRP_CNTL); } /* @@ -502,11 +435,8 @@ static int mx2_camera_add_device(struct soc_camera_device *icd) if (ret < 0) goto exit_csi_ahb; - csicr1 = CSICR1_MCLKEN; - - if (is_imx27_camera(pcdev)) - csicr1 |= CSICR1_PRP_IF_EN | CSICR1_FCC | - CSICR1_RXFF_LEVEL(0); + csicr1 = CSICR1_MCLKEN | CSICR1_PRP_IF_EN | CSICR1_FCC | + CSICR1_RXFF_LEVEL(0); pcdev->csicr1 = csicr1; writel(pcdev->csicr1, pcdev->base_csi + CSICR1); @@ -540,65 +470,6 @@ static void mx2_camera_remove_device(struct soc_camera_device *icd) pcdev->icd = NULL; } -static void mx25_camera_frame_done(struct mx2_camera_dev *pcdev, int fb, - int state) -{ - struct vb2_buffer *vb; - struct mx2_buffer *buf; - struct mx2_buffer **fb_active = fb == 1 ? &pcdev->fb1_active : - &pcdev->fb2_active; - u32 fb_reg = fb == 1 ? CSIDMASA_FB1 : CSIDMASA_FB2; - unsigned long flags; - - spin_lock_irqsave(&pcdev->lock, flags); - - if (*fb_active == NULL) - goto out; - - vb = &(*fb_active)->vb; - dev_dbg(pcdev->dev, "%s (vb=0x%p) 0x%p %lu\n", __func__, - vb, vb2_plane_vaddr(vb, 0), vb2_get_plane_payload(vb, 0)); - - do_gettimeofday(&vb->v4l2_buf.timestamp); - vb->v4l2_buf.sequence++; - vb2_buffer_done(vb, VB2_BUF_STATE_DONE); - - if (list_empty(&pcdev->capture)) { - buf = NULL; - writel(0, pcdev->base_csi + fb_reg); - } else { - buf = list_first_entry(&pcdev->capture, struct mx2_buffer, - internal.queue); - vb = &buf->vb; - list_del(&buf->internal.queue); - buf->state = MX2_STATE_ACTIVE; - writel(vb2_dma_contig_plane_dma_addr(vb, 0), - pcdev->base_csi + fb_reg); - } - - *fb_active = buf; - -out: - spin_unlock_irqrestore(&pcdev->lock, flags); -} - -static irqreturn_t mx25_camera_irq(int irq_csi, void *data) -{ - struct mx2_camera_dev *pcdev = data; - u32 status = readl(pcdev->base_csi + pcdev->reg_csisr); - - if (status & CSISR_DMA_TSF_FB1_INT) - mx25_camera_frame_done(pcdev, 1, MX2_STATE_DONE); - else if (status & CSISR_DMA_TSF_FB2_INT) - mx25_camera_frame_done(pcdev, 2, MX2_STATE_DONE); - - /* FIXME: handle CSISR_RFF_OR_INT */ - - writel(status, pcdev->base_csi + pcdev->reg_csisr); - - return IRQ_HANDLED; -} - /* * Videobuf operations */ @@ -676,97 +547,8 @@ static void mx2_videobuf_queue(struct vb2_buffer *vb) spin_lock_irqsave(&pcdev->lock, flags); - buf->state = MX2_STATE_QUEUED; list_add_tail(&buf->internal.queue, &pcdev->capture); - if (is_imx25_camera(pcdev)) { - u32 csicr3, dma_inten = 0; - - if (pcdev->fb1_active == NULL) { - writel(vb2_dma_contig_plane_dma_addr(vb, 0), - pcdev->base_csi + CSIDMASA_FB1); - pcdev->fb1_active = buf; - dma_inten = CSICR1_FB1_DMA_INTEN; - } else if (pcdev->fb2_active == NULL) { - writel(vb2_dma_contig_plane_dma_addr(vb, 0), - pcdev->base_csi + CSIDMASA_FB2); - pcdev->fb2_active = buf; - dma_inten = CSICR1_FB2_DMA_INTEN; - } - - if (dma_inten) { - list_del(&buf->internal.queue); - buf->state = MX2_STATE_ACTIVE; - - csicr3 = readl(pcdev->base_csi + pcdev->reg_csicr3); - - /* Reflash DMA */ - writel(csicr3 | CSICR3_DMA_REFLASH_RFF, - pcdev->base_csi + pcdev->reg_csicr3); - - /* clear & enable interrupts */ - writel(dma_inten, pcdev->base_csi + pcdev->reg_csisr); - pcdev->csicr1 |= dma_inten; - writel(pcdev->csicr1, pcdev->base_csi + CSICR1); - - /* enable DMA */ - csicr3 |= CSICR3_DMA_REQ_EN_RFF | CSICR3_RXFF_LEVEL(1); - writel(csicr3, pcdev->base_csi + pcdev->reg_csicr3); - } - } - - spin_unlock_irqrestore(&pcdev->lock, flags); -} - -static void mx2_videobuf_release(struct vb2_buffer *vb) -{ - struct soc_camera_device *icd = soc_camera_from_vb2q(vb->vb2_queue); - struct soc_camera_host *ici = to_soc_camera_host(icd->parent); - struct mx2_camera_dev *pcdev = ici->priv; - struct mx2_buffer *buf = container_of(vb, struct mx2_buffer, vb); - unsigned long flags; - -#ifdef DEBUG - dev_dbg(icd->parent, "%s (vb=0x%p) 0x%p %lu\n", __func__, - vb, vb2_plane_vaddr(vb, 0), vb2_get_plane_payload(vb, 0)); - - switch (buf->state) { - case MX2_STATE_ACTIVE: - dev_info(icd->parent, "%s (active)\n", __func__); - break; - case MX2_STATE_QUEUED: - dev_info(icd->parent, "%s (queued)\n", __func__); - break; - default: - dev_info(icd->parent, "%s (unknown) %d\n", __func__, - buf->state); - break; - } -#endif - - /* - * Terminate only queued but inactive buffers. Active buffers are - * released when they become inactive after videobuf_waiton(). - * - * FIXME: implement forced termination of active buffers for mx27 and - * mx27 eMMA, so that the user won't get stuck in an uninterruptible - * state. This requires a specific handling for each of the these DMA - * types. - */ - - spin_lock_irqsave(&pcdev->lock, flags); - if (is_imx25_camera(pcdev) && buf->state == MX2_STATE_ACTIVE) { - if (pcdev->fb1_active == buf) { - pcdev->csicr1 &= ~CSICR1_FB1_DMA_INTEN; - writel(0, pcdev->base_csi + CSIDMASA_FB1); - pcdev->fb1_active = NULL; - } else if (pcdev->fb2_active == buf) { - pcdev->csicr1 &= ~CSICR1_FB2_DMA_INTEN; - writel(0, pcdev->base_csi + CSIDMASA_FB2); - pcdev->fb2_active = NULL; - } - writel(pcdev->csicr1, pcdev->base_csi + CSICR1); - } spin_unlock_irqrestore(&pcdev->lock, flags); } @@ -877,91 +659,87 @@ static int mx2_start_streaming(struct vb2_queue *q, unsigned int count) struct mx2_buffer *buf; unsigned long phys; int bytesperline; + unsigned long flags; - if (is_imx27_camera(pcdev)) { - unsigned long flags; - if (count < 2) - return -EINVAL; + if (count < 2) + return -EINVAL; - spin_lock_irqsave(&pcdev->lock, flags); + spin_lock_irqsave(&pcdev->lock, flags); - buf = list_first_entry(&pcdev->capture, struct mx2_buffer, - internal.queue); - buf->internal.bufnum = 0; - vb = &buf->vb; - buf->state = MX2_STATE_ACTIVE; + buf = list_first_entry(&pcdev->capture, struct mx2_buffer, + internal.queue); + buf->internal.bufnum = 0; + vb = &buf->vb; - phys = vb2_dma_contig_plane_dma_addr(vb, 0); - mx27_update_emma_buf(pcdev, phys, buf->internal.bufnum); - list_move_tail(pcdev->capture.next, &pcdev->active_bufs); + phys = vb2_dma_contig_plane_dma_addr(vb, 0); + mx27_update_emma_buf(pcdev, phys, buf->internal.bufnum); + list_move_tail(pcdev->capture.next, &pcdev->active_bufs); - buf = list_first_entry(&pcdev->capture, struct mx2_buffer, - internal.queue); - buf->internal.bufnum = 1; - vb = &buf->vb; - buf->state = MX2_STATE_ACTIVE; + buf = list_first_entry(&pcdev->capture, struct mx2_buffer, + internal.queue); + buf->internal.bufnum = 1; + vb = &buf->vb; - phys = vb2_dma_contig_plane_dma_addr(vb, 0); - mx27_update_emma_buf(pcdev, phys, buf->internal.bufnum); - list_move_tail(pcdev->capture.next, &pcdev->active_bufs); - - bytesperline = soc_mbus_bytes_per_line(icd->user_width, - icd->current_fmt->host_fmt); - if (bytesperline < 0) { - spin_unlock_irqrestore(&pcdev->lock, flags); - return bytesperline; - } + phys = vb2_dma_contig_plane_dma_addr(vb, 0); + mx27_update_emma_buf(pcdev, phys, buf->internal.bufnum); + list_move_tail(pcdev->capture.next, &pcdev->active_bufs); - /* - * I didn't manage to properly enable/disable the prp - * on a per frame basis during running transfers, - * thus we allocate a buffer here and use it to - * discard frames when no buffer is available. - * Feel free to work on this ;) - */ - pcdev->discard_size = icd->user_height * bytesperline; - pcdev->discard_buffer = dma_alloc_coherent(ici->v4l2_dev.dev, - pcdev->discard_size, &pcdev->discard_buffer_dma, - GFP_KERNEL); - if (!pcdev->discard_buffer) { - spin_unlock_irqrestore(&pcdev->lock, flags); - return -ENOMEM; - } + bytesperline = soc_mbus_bytes_per_line(icd->user_width, + icd->current_fmt->host_fmt); + if (bytesperline < 0) { + spin_unlock_irqrestore(&pcdev->lock, flags); + return bytesperline; + } - pcdev->buf_discard[0].discard = true; - list_add_tail(&pcdev->buf_discard[0].queue, - &pcdev->discard); + /* + * I didn't manage to properly enable/disable the prp + * on a per frame basis during running transfers, + * thus we allocate a buffer here and use it to + * discard frames when no buffer is available. + * Feel free to work on this ;) + */ + pcdev->discard_size = icd->user_height * bytesperline; + pcdev->discard_buffer = dma_alloc_coherent(ici->v4l2_dev.dev, + pcdev->discard_size, + &pcdev->discard_buffer_dma, GFP_ATOMIC); + if (!pcdev->discard_buffer) { + spin_unlock_irqrestore(&pcdev->lock, flags); + return -ENOMEM; + } - pcdev->buf_discard[1].discard = true; - list_add_tail(&pcdev->buf_discard[1].queue, - &pcdev->discard); + pcdev->buf_discard[0].discard = true; + list_add_tail(&pcdev->buf_discard[0].queue, + &pcdev->discard); - mx2_prp_resize_commit(pcdev); + pcdev->buf_discard[1].discard = true; + list_add_tail(&pcdev->buf_discard[1].queue, + &pcdev->discard); - mx27_camera_emma_buf_init(icd, bytesperline); + mx2_prp_resize_commit(pcdev); - if (prp->cfg.channel == 1) { - writel(PRP_CNTL_CH1EN | - PRP_CNTL_CSIEN | - prp->cfg.in_fmt | - prp->cfg.out_fmt | - PRP_CNTL_CH1_LEN | - PRP_CNTL_CH1BYP | - PRP_CNTL_CH1_TSKIP(0) | - PRP_CNTL_IN_TSKIP(0), - pcdev->base_emma + PRP_CNTL); - } else { - writel(PRP_CNTL_CH2EN | - PRP_CNTL_CSIEN | - prp->cfg.in_fmt | - prp->cfg.out_fmt | - PRP_CNTL_CH2_LEN | - PRP_CNTL_CH2_TSKIP(0) | - PRP_CNTL_IN_TSKIP(0), - pcdev->base_emma + PRP_CNTL); - } - spin_unlock_irqrestore(&pcdev->lock, flags); + mx27_camera_emma_buf_init(icd, bytesperline); + + if (prp->cfg.channel == 1) { + writel(PRP_CNTL_CH1EN | + PRP_CNTL_CSIEN | + prp->cfg.in_fmt | + prp->cfg.out_fmt | + PRP_CNTL_CH1_LEN | + PRP_CNTL_CH1BYP | + PRP_CNTL_CH1_TSKIP(0) | + PRP_CNTL_IN_TSKIP(0), + pcdev->base_emma + PRP_CNTL); + } else { + writel(PRP_CNTL_CH2EN | + PRP_CNTL_CSIEN | + prp->cfg.in_fmt | + prp->cfg.out_fmt | + PRP_CNTL_CH2_LEN | + PRP_CNTL_CH2_TSKIP(0) | + PRP_CNTL_IN_TSKIP(0), + pcdev->base_emma + PRP_CNTL); } + spin_unlock_irqrestore(&pcdev->lock, flags); return 0; } @@ -977,29 +755,27 @@ static int mx2_stop_streaming(struct vb2_queue *q) void *b; u32 cntl; - if (is_imx27_camera(pcdev)) { - spin_lock_irqsave(&pcdev->lock, flags); + spin_lock_irqsave(&pcdev->lock, flags); - cntl = readl(pcdev->base_emma + PRP_CNTL); - if (prp->cfg.channel == 1) { - writel(cntl & ~PRP_CNTL_CH1EN, - pcdev->base_emma + PRP_CNTL); - } else { - writel(cntl & ~PRP_CNTL_CH2EN, - pcdev->base_emma + PRP_CNTL); - } - INIT_LIST_HEAD(&pcdev->capture); - INIT_LIST_HEAD(&pcdev->active_bufs); - INIT_LIST_HEAD(&pcdev->discard); + cntl = readl(pcdev->base_emma + PRP_CNTL); + if (prp->cfg.channel == 1) { + writel(cntl & ~PRP_CNTL_CH1EN, + pcdev->base_emma + PRP_CNTL); + } else { + writel(cntl & ~PRP_CNTL_CH2EN, + pcdev->base_emma + PRP_CNTL); + } + INIT_LIST_HEAD(&pcdev->capture); + INIT_LIST_HEAD(&pcdev->active_bufs); + INIT_LIST_HEAD(&pcdev->discard); - b = pcdev->discard_buffer; - pcdev->discard_buffer = NULL; + b = pcdev->discard_buffer; + pcdev->discard_buffer = NULL; - spin_unlock_irqrestore(&pcdev->lock, flags); + spin_unlock_irqrestore(&pcdev->lock, flags); - dma_free_coherent(ici->v4l2_dev.dev, - pcdev->discard_size, b, pcdev->discard_buffer_dma); - } + dma_free_coherent(ici->v4l2_dev.dev, + pcdev->discard_size, b, pcdev->discard_buffer_dma); return 0; } @@ -1008,7 +784,6 @@ static struct vb2_ops mx2_videobuf_ops = { .queue_setup = mx2_videobuf_setup, .buf_prepare = mx2_videobuf_prepare, .buf_queue = mx2_videobuf_queue, - .buf_cleanup = mx2_videobuf_release, .start_streaming = mx2_start_streaming, .stop_streaming = mx2_stop_streaming, }; @@ -1129,16 +904,9 @@ static int mx2_camera_set_bus_param(struct soc_camera_device *icd) if (bytesperline < 0) return bytesperline; - if (is_imx27_camera(pcdev)) { - ret = mx27_camera_emma_prp_reset(pcdev); - if (ret) - return ret; - } else if (is_imx25_camera(pcdev)) { - writel((bytesperline * icd->user_height) >> 2, - pcdev->base_csi + CSIRXCNT); - writel((bytesperline << 16) | icd->user_height, - pcdev->base_csi + CSIIMAG_PARA); - } + ret = mx27_camera_emma_prp_reset(pcdev); + if (ret) + return ret; writel(pcdev->csicr1, pcdev->base_csi + CSICR1); @@ -1425,7 +1193,6 @@ static int mx2_camera_try_fmt(struct soc_camera_device *icd, struct soc_camera_host *ici = to_soc_camera_host(icd->parent); struct mx2_camera_dev *pcdev = ici->priv; struct mx2_fmt_cfg *emma_prp; - unsigned int width_limit; int ret; dev_dbg(icd->parent, "%s: requested params: width = %d, height = %d\n", @@ -1437,40 +1204,11 @@ static int mx2_camera_try_fmt(struct soc_camera_device *icd, return -EINVAL; } - /* FIXME: implement MX27 limits */ - - /* limit to MX25 hardware capabilities */ - if (is_imx25_camera(pcdev)) { - if (xlate->host_fmt->bits_per_sample <= 8) - width_limit = 0xffff * 4; - else - width_limit = 0xffff * 2; - /* CSIIMAG_PARA limit */ - if (pix->width > width_limit) - pix->width = width_limit; - if (pix->height > 0xffff) - pix->height = 0xffff; - - pix->bytesperline = soc_mbus_bytes_per_line(pix->width, - xlate->host_fmt); - if (pix->bytesperline < 0) - return pix->bytesperline; - pix->sizeimage = soc_mbus_image_size(xlate->host_fmt, - pix->bytesperline, pix->height); - /* Check against the CSIRXCNT limit */ - if (pix->sizeimage > 4 * 0x3ffff) { - /* Adjust geometry, preserve aspect ratio */ - unsigned int new_height = int_sqrt(div_u64(0x3ffffULL * - 4 * pix->height, pix->bytesperline)); - pix->width = new_height * pix->width / pix->height; - pix->height = new_height; - pix->bytesperline = soc_mbus_bytes_per_line(pix->width, - xlate->host_fmt); - BUG_ON(pix->bytesperline < 0); - pix->sizeimage = soc_mbus_image_size(xlate->host_fmt, - pix->bytesperline, pix->height); - } - } + /* + * limit to MX27 hardware capabilities: width must be a multiple of 8 as + * requested by the CSI. (Table 39-2 in the i.MX27 Reference Manual). + */ + pix->width &= ~0x7; /* limit to sensor capabilities */ mf.width = pix->width; @@ -1488,7 +1226,7 @@ static int mx2_camera_try_fmt(struct soc_camera_device *icd, /* If the sensor does not support image size try PrP resizing */ emma_prp = mx27_emma_prp_get_format(xlate->code, - xlate->host_fmt->fourcc); + xlate->host_fmt->fourcc); if ((mf.width != pix->width || mf.height != pix->height) && emma_prp->cfg.in_fmt == PRP_CNTL_DATA_IN_YUV422) { @@ -1600,7 +1338,7 @@ static void mx27_camera_frame_done_emma(struct mx2_camera_dev *pcdev, vb2_get_plane_payload(vb, 0)); list_del_init(&buf->internal.queue); - do_gettimeofday(&vb->v4l2_buf.timestamp); + v4l2_get_timestamp(&vb->v4l2_buf.timestamp); vb->v4l2_buf.sequence = pcdev->frame_count; if (err) vb2_buffer_done(vb, VB2_BUF_STATE_ERROR); @@ -1634,7 +1372,6 @@ static void mx27_camera_frame_done_emma(struct mx2_camera_dev *pcdev, list_move_tail(pcdev->capture.next, &pcdev->active_bufs); vb = &buf->vb; - buf->state = MX2_STATE_ACTIVE; phys = vb2_dma_contig_plane_dma_addr(vb, 0); mx27_update_emma_buf(pcdev, phys, bufnum); @@ -1774,20 +1511,6 @@ static int mx2_camera_probe(struct platform_device *pdev) goto exit; } - pcdev->devtype = pdev->id_entry->driver_data; - switch (pcdev->devtype) { - case IMX25_CAMERA: - pcdev->reg_csisr = CSISR_IMX25; - pcdev->reg_csicr3 = CSICR3_IMX25; - break; - case IMX27_CAMERA: - pcdev->reg_csisr = CSISR_IMX27; - pcdev->reg_csicr3 = CSICR3_IMX27; - break; - default: - break; - } - pcdev->clk_csi_ahb = devm_clk_get(&pdev->dev, "ahb"); if (IS_ERR(pcdev->clk_csi_ahb)) { dev_err(&pdev->dev, "Could not get csi ahb clock\n"); @@ -1833,20 +1556,9 @@ static int mx2_camera_probe(struct platform_device *pdev) pcdev->dev = &pdev->dev; platform_set_drvdata(pdev, pcdev); - if (is_imx25_camera(pcdev)) { - err = devm_request_irq(&pdev->dev, irq_csi, mx25_camera_irq, 0, - MX2_CAM_DRV_NAME, pcdev); - if (err) { - dev_err(pcdev->dev, "Camera interrupt register failed \n"); - goto exit; - } - } - - if (is_imx27_camera(pcdev)) { - err = mx27_camera_emma_init(pdev); - if (err) - goto exit; - } + err = mx27_camera_emma_init(pdev); + if (err) + goto exit; /* * We're done with drvdata here. Clear the pointer so that @@ -1859,8 +1571,6 @@ static int mx2_camera_probe(struct platform_device *pdev) pcdev->soc_host.priv = pcdev; pcdev->soc_host.v4l2_dev.dev = &pdev->dev; pcdev->soc_host.nr = pdev->id; - if (is_imx25_camera(pcdev)) - pcdev->soc_host.capabilities = SOCAM_HOST_CAP_STRIDE; pcdev->alloc_ctx = vb2_dma_contig_init_ctx(&pdev->dev); if (IS_ERR(pcdev->alloc_ctx)) { @@ -1879,10 +1589,8 @@ static int mx2_camera_probe(struct platform_device *pdev) exit_free_emma: vb2_dma_contig_cleanup_ctx(pcdev->alloc_ctx); eallocctx: - if (is_imx27_camera(pcdev)) { - clk_disable_unprepare(pcdev->clk_emma_ipg); - clk_disable_unprepare(pcdev->clk_emma_ahb); - } + clk_disable_unprepare(pcdev->clk_emma_ipg); + clk_disable_unprepare(pcdev->clk_emma_ahb); exit: return err; } @@ -1897,10 +1605,8 @@ static int mx2_camera_remove(struct platform_device *pdev) vb2_dma_contig_cleanup_ctx(pcdev->alloc_ctx); - if (is_imx27_camera(pcdev)) { - clk_disable_unprepare(pcdev->clk_emma_ipg); - clk_disable_unprepare(pcdev->clk_emma_ahb); - } + clk_disable_unprepare(pcdev->clk_emma_ipg); + clk_disable_unprepare(pcdev->clk_emma_ahb); dev_info(&pdev->dev, "MX2 Camera driver unloaded\n"); @@ -1913,23 +1619,12 @@ static struct platform_driver mx2_camera_driver = { }, .id_table = mx2_camera_devtype, .remove = mx2_camera_remove, + .probe = mx2_camera_probe, }; +module_platform_driver(mx2_camera_driver); -static int __init mx2_camera_init(void) -{ - return platform_driver_probe(&mx2_camera_driver, &mx2_camera_probe); -} - -static void __exit mx2_camera_exit(void) -{ - return platform_driver_unregister(&mx2_camera_driver); -} - -module_init(mx2_camera_init); -module_exit(mx2_camera_exit); - -MODULE_DESCRIPTION("i.MX27/i.MX25 SoC Camera Host driver"); +MODULE_DESCRIPTION("i.MX27 SoC Camera Host driver"); MODULE_AUTHOR("Sascha Hauer <sha@pengutronix.de>"); MODULE_LICENSE("GPL"); MODULE_VERSION(MX2_CAM_VERSION); diff --git a/drivers/media/platform/soc_camera/mx3_camera.c b/drivers/media/platform/soc_camera/mx3_camera.c index 45aef1053a4..f5cbb92db54 100644 --- a/drivers/media/platform/soc_camera/mx3_camera.c +++ b/drivers/media/platform/soc_camera/mx3_camera.c @@ -156,7 +156,7 @@ static void mx3_cam_dma_done(void *arg) struct mx3_camera_buffer *buf = to_mx3_vb(vb); list_del_init(&buf->queue); - do_gettimeofday(&vb->v4l2_buf.timestamp); + v4l2_get_timestamp(&vb->v4l2_buf.timestamp); vb->v4l2_buf.field = mx3_cam->field; vb->v4l2_buf.sequence = mx3_cam->sequence++; vb2_buffer_done(vb, VB2_BUF_STATE_DONE); @@ -510,7 +510,7 @@ static void mx3_camera_activate(struct mx3_camera_dev *mx3_cam, clk_set_rate(mx3_cam->clk, rate); } -/* Called with .video_lock held */ +/* Called with .host_lock held */ static int mx3_camera_add_device(struct soc_camera_device *icd) { struct soc_camera_host *ici = to_soc_camera_host(icd->parent); @@ -530,7 +530,7 @@ static int mx3_camera_add_device(struct soc_camera_device *icd) return 0; } -/* Called with .video_lock held */ +/* Called with .host_lock held */ static void mx3_camera_remove_device(struct soc_camera_device *icd) { struct soc_camera_host *ici = to_soc_camera_host(icd->parent); diff --git a/drivers/media/platform/soc_camera/omap1_camera.c b/drivers/media/platform/soc_camera/omap1_camera.c index 39a77f0b886..2547bf88f79 100644 --- a/drivers/media/platform/soc_camera/omap1_camera.c +++ b/drivers/media/platform/soc_camera/omap1_camera.c @@ -592,7 +592,7 @@ static void videobuf_done(struct omap1_cam_dev *pcdev, suspend_capture(pcdev); } vb->state = result; - do_gettimeofday(&vb->ts); + v4l2_get_timestamp(&vb->ts); if (result != VIDEOBUF_ERROR) vb->field_count++; wake_up(&vb->done); @@ -1383,12 +1383,12 @@ static void omap1_cam_init_videobuf(struct videobuf_queue *q, videobuf_queue_dma_contig_init(q, &omap1_videobuf_ops, icd->parent, &pcdev->lock, V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_NONE, - sizeof(struct omap1_cam_buf), icd, &icd->video_lock); + sizeof(struct omap1_cam_buf), icd, &ici->host_lock); else videobuf_queue_sg_init(q, &omap1_videobuf_ops, icd->parent, &pcdev->lock, V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_NONE, - sizeof(struct omap1_cam_buf), icd, &icd->video_lock); + sizeof(struct omap1_cam_buf), icd, &ici->host_lock); /* use videobuf mode (auto)selected with the module parameter */ pcdev->vb_mode = sg_mode ? OMAP1_CAM_DMA_SG : OMAP1_CAM_DMA_CONTIG; diff --git a/drivers/media/platform/soc_camera/pxa_camera.c b/drivers/media/platform/soc_camera/pxa_camera.c index 523330d00de..395e2e04361 100644 --- a/drivers/media/platform/soc_camera/pxa_camera.c +++ b/drivers/media/platform/soc_camera/pxa_camera.c @@ -681,7 +681,7 @@ static void pxa_camera_wakeup(struct pxa_camera_dev *pcdev, /* _init is used to debug races, see comment in pxa_camera_reqbufs() */ list_del_init(&vb->queue); vb->state = VIDEOBUF_DONE; - do_gettimeofday(&vb->ts); + v4l2_get_timestamp(&vb->ts); vb->field_count++; wake_up(&vb->done); dev_dbg(pcdev->soc_host.v4l2_dev.dev, "%s dequeud buffer (vb=0x%p)\n", @@ -842,7 +842,7 @@ static void pxa_camera_init_videobuf(struct videobuf_queue *q, */ videobuf_queue_sg_init(q, &pxa_videobuf_ops, NULL, &pcdev->lock, V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_NONE, - sizeof(struct pxa_buffer), icd, &icd->video_lock); + sizeof(struct pxa_buffer), icd, &ici->host_lock); } static u32 mclk_get_divisor(struct platform_device *pdev, @@ -958,7 +958,7 @@ static irqreturn_t pxa_camera_irq(int irq, void *data) /* * The following two functions absolutely depend on the fact, that * there can be only one camera on PXA quick capture interface - * Called with .video_lock held + * Called with .host_lock held */ static int pxa_camera_add_device(struct soc_camera_device *icd) { @@ -978,7 +978,7 @@ static int pxa_camera_add_device(struct soc_camera_device *icd) return 0; } -/* Called with .video_lock held */ +/* Called with .host_lock held */ static void pxa_camera_remove_device(struct soc_camera_device *icd) { struct soc_camera_host *ici = to_soc_camera_host(icd->parent); @@ -1661,23 +1661,18 @@ static int pxa_camera_probe(struct platform_device *pdev) res = platform_get_resource(pdev, IORESOURCE_MEM, 0); irq = platform_get_irq(pdev, 0); - if (!res || irq < 0) { - err = -ENODEV; - goto exit; - } + if (!res || irq < 0) + return -ENODEV; - pcdev = kzalloc(sizeof(*pcdev), GFP_KERNEL); + pcdev = devm_kzalloc(&pdev->dev, sizeof(*pcdev), GFP_KERNEL); if (!pcdev) { dev_err(&pdev->dev, "Could not allocate pcdev\n"); - err = -ENOMEM; - goto exit; + return -ENOMEM; } - pcdev->clk = clk_get(&pdev->dev, NULL); - if (IS_ERR(pcdev->clk)) { - err = PTR_ERR(pcdev->clk); - goto exit_kfree; - } + pcdev->clk = devm_clk_get(&pdev->dev, NULL); + if (IS_ERR(pcdev->clk)) + return PTR_ERR(pcdev->clk); pcdev->res = res; @@ -1715,17 +1710,9 @@ static int pxa_camera_probe(struct platform_device *pdev) /* * Request the regions. */ - if (!request_mem_region(res->start, resource_size(res), - PXA_CAM_DRV_NAME)) { - err = -EBUSY; - goto exit_clk; - } - - base = ioremap(res->start, resource_size(res)); - if (!base) { - err = -ENOMEM; - goto exit_release; - } + base = devm_request_and_ioremap(&pdev->dev, res); + if (!base) + return -ENOMEM; pcdev->irq = irq; pcdev->base = base; @@ -1734,7 +1721,7 @@ static int pxa_camera_probe(struct platform_device *pdev) pxa_camera_dma_irq_y, pcdev); if (err < 0) { dev_err(&pdev->dev, "Can't request DMA for Y\n"); - goto exit_iounmap; + return err; } pcdev->dma_chans[0] = err; dev_dbg(&pdev->dev, "got DMA channel %d\n", pcdev->dma_chans[0]); @@ -1762,10 +1749,10 @@ static int pxa_camera_probe(struct platform_device *pdev) DRCMR(70) = pcdev->dma_chans[2] | DRCMR_MAPVLD; /* request irq */ - err = request_irq(pcdev->irq, pxa_camera_irq, 0, PXA_CAM_DRV_NAME, - pcdev); + err = devm_request_irq(&pdev->dev, pcdev->irq, pxa_camera_irq, 0, + PXA_CAM_DRV_NAME, pcdev); if (err) { - dev_err(&pdev->dev, "Camera interrupt register failed \n"); + dev_err(&pdev->dev, "Camera interrupt register failed\n"); goto exit_free_dma; } @@ -1777,27 +1764,16 @@ static int pxa_camera_probe(struct platform_device *pdev) err = soc_camera_host_register(&pcdev->soc_host); if (err) - goto exit_free_irq; + goto exit_free_dma; return 0; -exit_free_irq: - free_irq(pcdev->irq, pcdev); exit_free_dma: pxa_free_dma(pcdev->dma_chans[2]); exit_free_dma_u: pxa_free_dma(pcdev->dma_chans[1]); exit_free_dma_y: pxa_free_dma(pcdev->dma_chans[0]); -exit_iounmap: - iounmap(base); -exit_release: - release_mem_region(res->start, resource_size(res)); -exit_clk: - clk_put(pcdev->clk); -exit_kfree: - kfree(pcdev); -exit: return err; } @@ -1806,24 +1782,13 @@ static int pxa_camera_remove(struct platform_device *pdev) struct soc_camera_host *soc_host = to_soc_camera_host(&pdev->dev); struct pxa_camera_dev *pcdev = container_of(soc_host, struct pxa_camera_dev, soc_host); - struct resource *res; - - clk_put(pcdev->clk); pxa_free_dma(pcdev->dma_chans[0]); pxa_free_dma(pcdev->dma_chans[1]); pxa_free_dma(pcdev->dma_chans[2]); - free_irq(pcdev->irq, pcdev); soc_camera_host_unregister(soc_host); - iounmap(pcdev->base); - - res = pcdev->res; - release_mem_region(res->start, resource_size(res)); - - kfree(pcdev); - dev_info(&pdev->dev, "PXA Camera driver unloaded\n"); return 0; diff --git a/drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c b/drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c index ebbc126e71a..bb08a46432f 100644 --- a/drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c +++ b/drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c @@ -516,7 +516,7 @@ static irqreturn_t sh_mobile_ceu_irq(int irq, void *data) pcdev->active = NULL; ret = sh_mobile_ceu_capture(pcdev); - do_gettimeofday(&vb->v4l2_buf.timestamp); + v4l2_get_timestamp(&vb->v4l2_buf.timestamp); if (!ret) { vb->v4l2_buf.field = pcdev->field; vb->v4l2_buf.sequence = pcdev->sequence++; @@ -543,7 +543,7 @@ static struct v4l2_subdev *find_csi2(struct sh_mobile_ceu_dev *pcdev) return NULL; } -/* Called with .video_lock held */ +/* Called with .host_lock held */ static int sh_mobile_ceu_add_device(struct soc_camera_device *icd) { struct soc_camera_host *ici = to_soc_camera_host(icd->parent); @@ -572,7 +572,7 @@ static int sh_mobile_ceu_add_device(struct soc_camera_device *icd) ret = v4l2_subdev_call(csi2_sd, core, s_power, 1); if (ret < 0 && ret != -ENOIOCTLCMD && ret != -ENODEV) { - pm_runtime_put_sync(ici->v4l2_dev.dev); + pm_runtime_put(ici->v4l2_dev.dev); return ret; } @@ -587,7 +587,7 @@ static int sh_mobile_ceu_add_device(struct soc_camera_device *icd) return 0; } -/* Called with .video_lock held */ +/* Called with .host_lock held */ static void sh_mobile_ceu_remove_device(struct soc_camera_device *icd) { struct soc_camera_host *ici = to_soc_camera_host(icd->parent); @@ -612,7 +612,7 @@ static void sh_mobile_ceu_remove_device(struct soc_camera_device *icd) } spin_unlock_irq(&pcdev->lock); - pm_runtime_put_sync(ici->v4l2_dev.dev); + pm_runtime_put(ici->v4l2_dev.dev); dev_info(icd->parent, "SuperH Mobile CEU driver detached from camera %d\n", @@ -1064,7 +1064,7 @@ static int sh_mobile_ceu_get_formats(struct soc_camera_device *icd, unsigned int /* Add our control */ v4l2_ctrl_new_std(&icd->ctrl_handler, &sh_mobile_ceu_ctrl_ops, - V4L2_CID_SHARPNESS, 0, 1, 1, 0); + V4L2_CID_SHARPNESS, 0, 1, 1, 1); if (icd->ctrl_handler.error) return icd->ctrl_handler.error; @@ -2088,15 +2088,13 @@ static int sh_mobile_ceu_probe(struct platform_device *pdev) irq = platform_get_irq(pdev, 0); if (!res || (int)irq <= 0) { dev_err(&pdev->dev, "Not enough CEU platform resources.\n"); - err = -ENODEV; - goto exit; + return -ENODEV; } - pcdev = kzalloc(sizeof(*pcdev), GFP_KERNEL); + pcdev = devm_kzalloc(&pdev->dev, sizeof(*pcdev), GFP_KERNEL); if (!pcdev) { dev_err(&pdev->dev, "Could not allocate pcdev\n"); - err = -ENOMEM; - goto exit; + return -ENOMEM; } INIT_LIST_HEAD(&pcdev->capture); @@ -2105,19 +2103,17 @@ static int sh_mobile_ceu_probe(struct platform_device *pdev) pcdev->pdata = pdev->dev.platform_data; if (!pcdev->pdata) { - err = -EINVAL; dev_err(&pdev->dev, "CEU platform data not set.\n"); - goto exit_kfree; + return -EINVAL; } pcdev->max_width = pcdev->pdata->max_width ? : 2560; pcdev->max_height = pcdev->pdata->max_height ? : 1920; - base = ioremap_nocache(res->start, resource_size(res)); + base = devm_request_and_ioremap(&pdev->dev, res); if (!base) { - err = -ENXIO; dev_err(&pdev->dev, "Unable to ioremap CEU registers.\n"); - goto exit_kfree; + return -ENXIO; } pcdev->irq = irq; @@ -2133,16 +2129,15 @@ static int sh_mobile_ceu_probe(struct platform_device *pdev) DMA_MEMORY_EXCLUSIVE); if (!err) { dev_err(&pdev->dev, "Unable to declare CEU memory.\n"); - err = -ENXIO; - goto exit_iounmap; + return -ENXIO; } pcdev->video_limit = resource_size(res); } /* request irq */ - err = request_irq(pcdev->irq, sh_mobile_ceu_irq, IRQF_DISABLED, - dev_name(&pdev->dev), pcdev); + err = devm_request_irq(&pdev->dev, pcdev->irq, sh_mobile_ceu_irq, + IRQF_DISABLED, dev_name(&pdev->dev), pcdev); if (err) { dev_err(&pdev->dev, "Unable to register CEU interrupt.\n"); goto exit_release_mem; @@ -2246,15 +2241,9 @@ exit_free_ctx: vb2_dma_contig_cleanup_ctx(pcdev->alloc_ctx); exit_free_clk: pm_runtime_disable(&pdev->dev); - free_irq(pcdev->irq, pcdev); exit_release_mem: if (platform_get_resource(pdev, IORESOURCE_MEM, 1)) dma_release_declared_memory(&pdev->dev); -exit_iounmap: - iounmap(base); -exit_kfree: - kfree(pcdev); -exit: return err; } @@ -2267,10 +2256,8 @@ static int sh_mobile_ceu_remove(struct platform_device *pdev) soc_camera_host_unregister(soc_host); pm_runtime_disable(&pdev->dev); - free_irq(pcdev->irq, pcdev); if (platform_get_resource(pdev, IORESOURCE_MEM, 1)) dma_release_declared_memory(&pdev->dev); - iounmap(pcdev->base); vb2_dma_contig_cleanup_ctx(pcdev->alloc_ctx); if (csi2_pdev && csi2_pdev->dev.driver) { struct module *csi2_drv = csi2_pdev->dev.driver->owner; @@ -2279,7 +2266,6 @@ static int sh_mobile_ceu_remove(struct platform_device *pdev) platform_device_put(csi2_pdev); module_put(csi2_drv); } - kfree(pcdev); return 0; } diff --git a/drivers/media/platform/soc_camera/sh_mobile_csi2.c b/drivers/media/platform/soc_camera/sh_mobile_csi2.c index a17aba9a010..42c559eb493 100644 --- a/drivers/media/platform/soc_camera/sh_mobile_csi2.c +++ b/drivers/media/platform/soc_camera/sh_mobile_csi2.c @@ -318,23 +318,16 @@ static int sh_csi2_probe(struct platform_device *pdev) return -EINVAL; } - priv = kzalloc(sizeof(struct sh_csi2), GFP_KERNEL); + priv = devm_kzalloc(&pdev->dev, sizeof(struct sh_csi2), GFP_KERNEL); if (!priv) return -ENOMEM; priv->irq = irq; - if (!request_mem_region(res->start, resource_size(res), pdev->name)) { - dev_err(&pdev->dev, "CSI2 register region already claimed\n"); - ret = -EBUSY; - goto ereqreg; - } - - priv->base = ioremap(res->start, resource_size(res)); + priv->base = devm_request_and_ioremap(&pdev->dev, res); if (!priv->base) { - ret = -ENXIO; dev_err(&pdev->dev, "Unable to ioremap CSI2 registers.\n"); - goto eremap; + return -ENXIO; } priv->pdev = pdev; @@ -357,11 +350,7 @@ static int sh_csi2_probe(struct platform_device *pdev) return 0; esdreg: - iounmap(priv->base); -eremap: - release_mem_region(res->start, resource_size(res)); -ereqreg: - kfree(priv); + platform_set_drvdata(pdev, NULL); return ret; } @@ -369,14 +358,10 @@ ereqreg: static int sh_csi2_remove(struct platform_device *pdev) { struct sh_csi2 *priv = platform_get_drvdata(pdev); - struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0); v4l2_device_unregister_subdev(&priv->subdev); pm_runtime_disable(&pdev->dev); - iounmap(priv->base); - release_mem_region(res->start, resource_size(res)); platform_set_drvdata(pdev, NULL); - kfree(priv); return 0; } diff --git a/drivers/media/platform/soc_camera/soc_camera.c b/drivers/media/platform/soc_camera/soc_camera.c index 2ec90eae6ba..8ec98051ea7 100644 --- a/drivers/media/platform/soc_camera/soc_camera.c +++ b/drivers/media/platform/soc_camera/soc_camera.c @@ -50,22 +50,22 @@ static LIST_HEAD(hosts); static LIST_HEAD(devices); static DEFINE_MUTEX(list_lock); /* Protects the list of hosts */ -int soc_camera_power_on(struct device *dev, struct soc_camera_link *icl) +int soc_camera_power_on(struct device *dev, struct soc_camera_subdev_desc *ssdd) { - int ret = regulator_bulk_enable(icl->num_regulators, - icl->regulators); + int ret = regulator_bulk_enable(ssdd->num_regulators, + ssdd->regulators); if (ret < 0) { dev_err(dev, "Cannot enable regulators\n"); return ret; } - if (icl->power) { - ret = icl->power(dev, 1); + if (ssdd->power) { + ret = ssdd->power(dev, 1); if (ret < 0) { dev_err(dev, "Platform failed to power-on the camera.\n"); - regulator_bulk_disable(icl->num_regulators, - icl->regulators); + regulator_bulk_disable(ssdd->num_regulators, + ssdd->regulators); } } @@ -73,13 +73,13 @@ int soc_camera_power_on(struct device *dev, struct soc_camera_link *icl) } EXPORT_SYMBOL(soc_camera_power_on); -int soc_camera_power_off(struct device *dev, struct soc_camera_link *icl) +int soc_camera_power_off(struct device *dev, struct soc_camera_subdev_desc *ssdd) { int ret = 0; int err; - if (icl->power) { - err = icl->power(dev, 0); + if (ssdd->power) { + err = ssdd->power(dev, 0); if (err < 0) { dev_err(dev, "Platform failed to power-off the camera.\n"); @@ -87,8 +87,8 @@ int soc_camera_power_off(struct device *dev, struct soc_camera_link *icl) } } - err = regulator_bulk_disable(icl->num_regulators, - icl->regulators); + err = regulator_bulk_disable(ssdd->num_regulators, + ssdd->regulators); if (err < 0) { dev_err(dev, "Cannot disable regulators\n"); ret = ret ? : err; @@ -136,29 +136,29 @@ EXPORT_SYMBOL(soc_camera_xlate_by_fourcc); /** * soc_camera_apply_board_flags() - apply platform SOCAM_SENSOR_INVERT_* flags - * @icl: camera platform parameters + * @ssdd: camera platform parameters * @cfg: media bus configuration * @return: resulting flags */ -unsigned long soc_camera_apply_board_flags(struct soc_camera_link *icl, +unsigned long soc_camera_apply_board_flags(struct soc_camera_subdev_desc *ssdd, const struct v4l2_mbus_config *cfg) { unsigned long f, flags = cfg->flags; /* If only one of the two polarities is supported, switch to the opposite */ - if (icl->flags & SOCAM_SENSOR_INVERT_HSYNC) { + if (ssdd->flags & SOCAM_SENSOR_INVERT_HSYNC) { f = flags & (V4L2_MBUS_HSYNC_ACTIVE_HIGH | V4L2_MBUS_HSYNC_ACTIVE_LOW); if (f == V4L2_MBUS_HSYNC_ACTIVE_HIGH || f == V4L2_MBUS_HSYNC_ACTIVE_LOW) flags ^= V4L2_MBUS_HSYNC_ACTIVE_HIGH | V4L2_MBUS_HSYNC_ACTIVE_LOW; } - if (icl->flags & SOCAM_SENSOR_INVERT_VSYNC) { + if (ssdd->flags & SOCAM_SENSOR_INVERT_VSYNC) { f = flags & (V4L2_MBUS_VSYNC_ACTIVE_HIGH | V4L2_MBUS_VSYNC_ACTIVE_LOW); if (f == V4L2_MBUS_VSYNC_ACTIVE_HIGH || f == V4L2_MBUS_VSYNC_ACTIVE_LOW) flags ^= V4L2_MBUS_VSYNC_ACTIVE_HIGH | V4L2_MBUS_VSYNC_ACTIVE_LOW; } - if (icl->flags & SOCAM_SENSOR_INVERT_PCLK) { + if (ssdd->flags & SOCAM_SENSOR_INVERT_PCLK) { f = flags & (V4L2_MBUS_PCLK_SAMPLE_RISING | V4L2_MBUS_PCLK_SAMPLE_FALLING); if (f == V4L2_MBUS_PCLK_SAMPLE_RISING || f == V4L2_MBUS_PCLK_SAMPLE_FALLING) flags ^= V4L2_MBUS_PCLK_SAMPLE_RISING | V4L2_MBUS_PCLK_SAMPLE_FALLING; @@ -383,7 +383,7 @@ static int soc_camera_prepare_buf(struct file *file, void *priv, return vb2_prepare_buf(&icd->vb2_vidq, b); } -/* Always entered with .video_lock held */ +/* Always entered with .host_lock held */ static int soc_camera_init_user_formats(struct soc_camera_device *icd) { struct v4l2_subdev *sd = soc_camera_to_subdev(icd); @@ -450,7 +450,7 @@ egfmt: return ret; } -/* Always entered with .video_lock held */ +/* Always entered with .host_lock held */ static void soc_camera_free_user_formats(struct soc_camera_device *icd) { struct soc_camera_host *ici = to_soc_camera_host(icd->parent); @@ -509,7 +509,7 @@ static int soc_camera_open(struct file *file) { struct video_device *vdev = video_devdata(file); struct soc_camera_device *icd = dev_get_drvdata(vdev->parent); - struct soc_camera_link *icl = to_soc_camera_link(icd); + struct soc_camera_desc *sdesc = to_soc_camera_desc(icd); struct soc_camera_host *ici; int ret; @@ -517,9 +517,16 @@ static int soc_camera_open(struct file *file) /* No device driver attached */ return -ENODEV; + /* + * Don't mess with the host during probe: wait until the loop in + * scan_add_host() completes + */ + if (mutex_lock_interruptible(&list_lock)) + return -ERESTARTSYS; ici = to_soc_camera_host(icd->parent); + mutex_unlock(&list_lock); - if (mutex_lock_interruptible(&icd->video_lock)) + if (mutex_lock_interruptible(&ici->host_lock)) return -ERESTARTSYS; if (!try_module_get(ici->ops->owner)) { dev_err(icd->pdev, "Couldn't lock capture bus driver.\n"); @@ -545,13 +552,10 @@ static int soc_camera_open(struct file *file) }; /* The camera could have been already on, try to reset */ - if (icl->reset) - icl->reset(icd->pdev); + if (sdesc->subdev_desc.reset) + sdesc->subdev_desc.reset(icd->pdev); - /* Don't mess with the host during probe */ - mutex_lock(&ici->host_lock); ret = ici->ops->add(icd); - mutex_unlock(&ici->host_lock); if (ret < 0) { dev_err(icd->pdev, "Couldn't activate the camera: %d\n", ret); goto eiciadd; @@ -570,7 +574,7 @@ static int soc_camera_open(struct file *file) * Try to configure with default parameters. Notice: this is the * very first open, so, we cannot race against other calls, * apart from someone else calling open() simultaneously, but - * .video_lock is protecting us against it. + * .host_lock is protecting us against it. */ ret = soc_camera_set_fmt(icd, &f); if (ret < 0) @@ -585,7 +589,7 @@ static int soc_camera_open(struct file *file) } v4l2_ctrl_handler_setup(&icd->ctrl_handler); } - mutex_unlock(&icd->video_lock); + mutex_unlock(&ici->host_lock); file->private_data = icd; dev_dbg(icd->pdev, "camera device open\n"); @@ -593,7 +597,7 @@ static int soc_camera_open(struct file *file) return 0; /* - * First four errors are entered with the .video_lock held + * First four errors are entered with the .host_lock held * and use_count == 1 */ einitvb: @@ -607,7 +611,7 @@ eiciadd: icd->use_count--; module_put(ici->ops->owner); emodule: - mutex_unlock(&icd->video_lock); + mutex_unlock(&ici->host_lock); return ret; } @@ -617,7 +621,7 @@ static int soc_camera_close(struct file *file) struct soc_camera_device *icd = file->private_data; struct soc_camera_host *ici = to_soc_camera_host(icd->parent); - mutex_lock(&icd->video_lock); + mutex_lock(&ici->host_lock); icd->use_count--; if (!icd->use_count) { pm_runtime_suspend(&icd->vdev->dev); @@ -632,7 +636,7 @@ static int soc_camera_close(struct file *file) if (icd->streamer == file) icd->streamer = NULL; - mutex_unlock(&icd->video_lock); + mutex_unlock(&ici->host_lock); module_put(ici->ops->owner); @@ -669,13 +673,13 @@ static int soc_camera_mmap(struct file *file, struct vm_area_struct *vma) if (icd->streamer != file) return -EBUSY; - if (mutex_lock_interruptible(&icd->video_lock)) + if (mutex_lock_interruptible(&ici->host_lock)) return -ERESTARTSYS; if (ici->ops->init_videobuf) err = videobuf_mmap_mapper(&icd->vb_vidq, vma); else err = vb2_mmap(&icd->vb2_vidq, vma); - mutex_unlock(&icd->video_lock); + mutex_unlock(&ici->host_lock); dev_dbg(icd->pdev, "vma start=0x%08lx, size=%ld, ret=%d\n", (unsigned long)vma->vm_start, @@ -694,26 +698,28 @@ static unsigned int soc_camera_poll(struct file *file, poll_table *pt) if (icd->streamer != file) return POLLERR; - mutex_lock(&icd->video_lock); + mutex_lock(&ici->host_lock); if (ici->ops->init_videobuf && list_empty(&icd->vb_vidq.stream)) dev_err(icd->pdev, "Trying to poll with no queued buffers!\n"); else res = ici->ops->poll(file, pt); - mutex_unlock(&icd->video_lock); + mutex_unlock(&ici->host_lock); return res; } void soc_camera_lock(struct vb2_queue *vq) { struct soc_camera_device *icd = vb2_get_drv_priv(vq); - mutex_lock(&icd->video_lock); + struct soc_camera_host *ici = to_soc_camera_host(icd->parent); + mutex_lock(&ici->host_lock); } EXPORT_SYMBOL(soc_camera_lock); void soc_camera_unlock(struct vb2_queue *vq) { struct soc_camera_device *icd = vb2_get_drv_priv(vq); - mutex_unlock(&icd->video_lock); + struct soc_camera_host *ici = to_soc_camera_host(icd->parent); + mutex_unlock(&ici->host_lock); } EXPORT_SYMBOL(soc_camera_unlock); @@ -908,6 +914,8 @@ static int soc_camera_s_crop(struct file *file, void *fh, dev_dbg(icd->pdev, "S_CROP(%ux%u@%u:%u)\n", rect->width, rect->height, rect->left, rect->top); + current_crop.type = a->type; + /* If get_crop fails, we'll let host and / or client drivers decide */ ret = ici->ops->get_crop(icd, ¤t_crop); @@ -1050,7 +1058,7 @@ static void scan_add_host(struct soc_camera_host *ici) { struct soc_camera_device *icd; - mutex_lock(&ici->host_lock); + mutex_lock(&list_lock); list_for_each_entry(icd, &devices, list) { if (icd->iface == ici->nr) { @@ -1059,28 +1067,29 @@ static void scan_add_host(struct soc_camera_host *ici) } } - mutex_unlock(&ici->host_lock); + mutex_unlock(&list_lock); } #ifdef CONFIG_I2C_BOARDINFO static int soc_camera_init_i2c(struct soc_camera_device *icd, - struct soc_camera_link *icl) + struct soc_camera_desc *sdesc) { struct i2c_client *client; struct soc_camera_host *ici = to_soc_camera_host(icd->parent); - struct i2c_adapter *adap = i2c_get_adapter(icl->i2c_adapter_id); + struct soc_camera_host_desc *shd = &sdesc->host_desc; + struct i2c_adapter *adap = i2c_get_adapter(shd->i2c_adapter_id); struct v4l2_subdev *subdev; if (!adap) { dev_err(icd->pdev, "Cannot get I2C adapter #%d. No driver?\n", - icl->i2c_adapter_id); + shd->i2c_adapter_id); goto ei2cga; } - icl->board_info->platform_data = icl; + shd->board_info->platform_data = &sdesc->subdev_desc; subdev = v4l2_i2c_new_subdev_board(&ici->v4l2_dev, adap, - icl->board_info, NULL); + shd->board_info, NULL); if (!subdev) goto ei2cnd; @@ -1108,7 +1117,7 @@ static void soc_camera_free_i2c(struct soc_camera_device *icd) i2c_put_adapter(adap); } #else -#define soc_camera_init_i2c(icd, icl) (-ENODEV) +#define soc_camera_init_i2c(icd, sdesc) (-ENODEV) #define soc_camera_free_i2c(icd) do {} while (0) #endif @@ -1118,7 +1127,9 @@ static int video_dev_create(struct soc_camera_device *icd); static int soc_camera_probe(struct soc_camera_device *icd) { struct soc_camera_host *ici = to_soc_camera_host(icd->parent); - struct soc_camera_link *icl = to_soc_camera_link(icd); + struct soc_camera_desc *sdesc = to_soc_camera_desc(icd); + struct soc_camera_host_desc *shd = &sdesc->host_desc; + struct soc_camera_subdev_desc *ssdd = &sdesc->subdev_desc; struct device *control = NULL; struct v4l2_subdev *sd; struct v4l2_mbus_framefmt mf; @@ -1137,16 +1148,13 @@ static int soc_camera_probe(struct soc_camera_device *icd) if (ret < 0) return ret; - ret = regulator_bulk_get(icd->pdev, icl->num_regulators, - icl->regulators); - if (ret < 0) - goto ereg; - /* The camera could have been already on, try to reset */ - if (icl->reset) - icl->reset(icd->pdev); + if (ssdd->reset) + ssdd->reset(icd->pdev); + mutex_lock(&ici->host_lock); ret = ici->ops->add(icd); + mutex_unlock(&ici->host_lock); if (ret < 0) goto eadd; @@ -1156,18 +1164,18 @@ static int soc_camera_probe(struct soc_camera_device *icd) goto evdc; /* Non-i2c cameras, e.g., soc_camera_platform, have no board_info */ - if (icl->board_info) { - ret = soc_camera_init_i2c(icd, icl); + if (shd->board_info) { + ret = soc_camera_init_i2c(icd, sdesc); if (ret < 0) goto eadddev; - } else if (!icl->add_device || !icl->del_device) { + } else if (!shd->add_device || !shd->del_device) { ret = -EINVAL; goto eadddev; } else { - if (icl->module_name) - ret = request_module(icl->module_name); + if (shd->module_name) + ret = request_module(shd->module_name); - ret = icl->add_device(icd); + ret = shd->add_device(icd); if (ret < 0) goto eadddev; @@ -1178,7 +1186,7 @@ static int soc_camera_probe(struct soc_camera_device *icd) control = to_soc_camera_control(icd); if (!control || !control->driver || !dev_get_drvdata(control) || !try_module_get(control->driver->owner)) { - icl->del_device(icd); + shd->del_device(icd); ret = -ENODEV; goto enodrv; } @@ -1204,7 +1212,7 @@ static int soc_camera_probe(struct soc_camera_device *icd) * itself is protected against concurrent open() calls, but we also have * to protect our data. */ - mutex_lock(&icd->video_lock); + mutex_lock(&ici->host_lock); ret = soc_camera_video_start(icd); if (ret < 0) @@ -1220,19 +1228,19 @@ static int soc_camera_probe(struct soc_camera_device *icd) ici->ops->remove(icd); - mutex_unlock(&icd->video_lock); + mutex_unlock(&ici->host_lock); return 0; evidstart: - mutex_unlock(&icd->video_lock); + mutex_unlock(&ici->host_lock); soc_camera_free_user_formats(icd); eiufmt: ectrl: - if (icl->board_info) { + if (shd->board_info) { soc_camera_free_i2c(icd); } else { - icl->del_device(icd); + shd->del_device(icd); module_put(control->driver->owner); } enodrv: @@ -1240,10 +1248,10 @@ eadddev: video_device_release(icd->vdev); icd->vdev = NULL; evdc: + mutex_lock(&ici->host_lock); ici->ops->remove(icd); + mutex_unlock(&ici->host_lock); eadd: - regulator_bulk_free(icl->num_regulators, icl->regulators); -ereg: v4l2_ctrl_handler_free(&icd->ctrl_handler); return ret; } @@ -1254,7 +1262,7 @@ ereg: */ static int soc_camera_remove(struct soc_camera_device *icd) { - struct soc_camera_link *icl = to_soc_camera_link(icd); + struct soc_camera_desc *sdesc = to_soc_camera_desc(icd); struct video_device *vdev = icd->vdev; BUG_ON(!icd->parent); @@ -1265,19 +1273,17 @@ static int soc_camera_remove(struct soc_camera_device *icd) icd->vdev = NULL; } - if (icl->board_info) { + if (sdesc->host_desc.board_info) { soc_camera_free_i2c(icd); } else { struct device_driver *drv = to_soc_camera_control(icd)->driver; if (drv) { - icl->del_device(icd); + sdesc->host_desc.del_device(icd); module_put(drv->owner); } } soc_camera_free_user_formats(icd); - regulator_bulk_free(icl->num_regulators, icl->regulators); - return 0; } @@ -1442,7 +1448,6 @@ static int soc_camera_device_register(struct soc_camera_device *icd) icd->devnum = num; icd->use_count = 0; icd->host_priv = NULL; - mutex_init(&icd->video_lock); list_add_tail(&icd->list, &devices); @@ -1500,7 +1505,7 @@ static int video_dev_create(struct soc_camera_device *icd) vdev->release = video_device_release; vdev->tvnorms = V4L2_STD_UNKNOWN; vdev->ctrl_handler = &icd->ctrl_handler; - vdev->lock = &icd->video_lock; + vdev->lock = &ici->host_lock; icd->vdev = vdev; @@ -1508,7 +1513,7 @@ static int video_dev_create(struct soc_camera_device *icd) } /* - * Called from soc_camera_probe() above (with .video_lock held???) + * Called from soc_camera_probe() above with .host_lock held */ static int soc_camera_video_start(struct soc_camera_device *icd) { @@ -1532,18 +1537,25 @@ static int soc_camera_video_start(struct soc_camera_device *icd) static int soc_camera_pdrv_probe(struct platform_device *pdev) { - struct soc_camera_link *icl = pdev->dev.platform_data; + struct soc_camera_desc *sdesc = pdev->dev.platform_data; + struct soc_camera_subdev_desc *ssdd = &sdesc->subdev_desc; struct soc_camera_device *icd; + int ret; - if (!icl) + if (!sdesc) return -EINVAL; icd = devm_kzalloc(&pdev->dev, sizeof(*icd), GFP_KERNEL); if (!icd) return -ENOMEM; - icd->iface = icl->bus_id; - icd->link = icl; + ret = devm_regulator_bulk_get(&pdev->dev, ssdd->num_regulators, + ssdd->regulators); + if (ret < 0) + return ret; + + icd->iface = sdesc->host_desc.bus_id; + icd->sdesc = sdesc; icd->pdev = &pdev->dev; platform_set_drvdata(pdev, icd); diff --git a/drivers/media/platform/soc_camera/soc_camera_platform.c b/drivers/media/platform/soc_camera/soc_camera_platform.c index 7cf7fd16481..ce3b1d6a473 100644 --- a/drivers/media/platform/soc_camera/soc_camera_platform.c +++ b/drivers/media/platform/soc_camera/soc_camera_platform.c @@ -54,7 +54,7 @@ static int soc_camera_platform_s_power(struct v4l2_subdev *sd, int on) { struct soc_camera_platform_info *p = v4l2_get_subdevdata(sd); - return soc_camera_set_power(p->icd->control, p->icd->link, on); + return soc_camera_set_power(p->icd->control, &p->icd->sdesc->subdev_desc, on); } static struct v4l2_subdev_core_ops platform_subdev_core_ops = { @@ -148,7 +148,7 @@ static int soc_camera_platform_probe(struct platform_device *pdev) return -EINVAL; } - priv = kzalloc(sizeof(*priv), GFP_KERNEL); + priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; @@ -173,7 +173,6 @@ static int soc_camera_platform_probe(struct platform_device *pdev) evdrs: platform_set_drvdata(pdev, NULL); - kfree(priv); return ret; } @@ -185,7 +184,6 @@ static int soc_camera_platform_remove(struct platform_device *pdev) p->icd->control = NULL; v4l2_device_unregister_subdev(&priv->subdev); platform_set_drvdata(pdev, NULL); - kfree(priv); return 0; } diff --git a/drivers/media/platform/soc_camera/soc_mediabus.c b/drivers/media/platform/soc_camera/soc_mediabus.c index a397812635d..89dce097a82 100644 --- a/drivers/media/platform/soc_camera/soc_mediabus.c +++ b/drivers/media/platform/soc_camera/soc_mediabus.c @@ -378,9 +378,6 @@ EXPORT_SYMBOL(soc_mbus_samples_per_pixel); s32 soc_mbus_bytes_per_line(u32 width, const struct soc_mbus_pixelfmt *mf) { - if (mf->fourcc == V4L2_PIX_FMT_JPEG) - return 0; - if (mf->layout != SOC_MBUS_LAYOUT_PACKED) return width * mf->bits_per_sample / 8; @@ -403,9 +400,6 @@ EXPORT_SYMBOL(soc_mbus_bytes_per_line); s32 soc_mbus_image_size(const struct soc_mbus_pixelfmt *mf, u32 bytes_per_line, u32 height) { - if (mf->fourcc == V4L2_PIX_FMT_JPEG) - return 0; - if (mf->layout == SOC_MBUS_LAYOUT_PACKED) return bytes_per_line * height; diff --git a/drivers/media/platform/timblogiw.c b/drivers/media/platform/timblogiw.c index d854d08a6c7..c3a2a448440 100644 --- a/drivers/media/platform/timblogiw.c +++ b/drivers/media/platform/timblogiw.c @@ -130,7 +130,7 @@ static void timblogiw_dma_cb(void *data) if (vb->state != VIDEOBUF_ERROR) { list_del(&vb->queue); - do_gettimeofday(&vb->ts); + v4l2_get_timestamp(&vb->ts); vb->field_count = fh->frame_count * 2; vb->state = VIDEOBUF_DONE; diff --git a/drivers/media/platform/via-camera.c b/drivers/media/platform/via-camera.c index 63e8c346123..b051c4a2855 100644 --- a/drivers/media/platform/via-camera.c +++ b/drivers/media/platform/via-camera.c @@ -18,6 +18,7 @@ #include <media/v4l2-device.h> #include <media/v4l2-ioctl.h> #include <media/v4l2-chip-ident.h> +#include <media/v4l2-ctrls.h> #include <media/ov7670.h> #include <media/videobuf-dma-sg.h> #include <linux/delay.h> @@ -63,6 +64,7 @@ enum viacam_opstate { S_IDLE = 0, S_RUNNING = 1 }; struct via_camera { struct v4l2_device v4l2_dev; + struct v4l2_ctrl_handler ctrl_handler; struct video_device vdev; struct v4l2_subdev *sensor; struct platform_device *platdev; @@ -818,47 +820,6 @@ static int viacam_g_chip_ident(struct file *file, void *priv, } /* - * Control ops are passed through to the sensor. - */ -static int viacam_queryctrl(struct file *filp, void *priv, - struct v4l2_queryctrl *qc) -{ - struct via_camera *cam = priv; - int ret; - - mutex_lock(&cam->lock); - ret = sensor_call(cam, core, queryctrl, qc); - mutex_unlock(&cam->lock); - return ret; -} - - -static int viacam_g_ctrl(struct file *filp, void *priv, - struct v4l2_control *ctrl) -{ - struct via_camera *cam = priv; - int ret; - - mutex_lock(&cam->lock); - ret = sensor_call(cam, core, g_ctrl, ctrl); - mutex_unlock(&cam->lock); - return ret; -} - - -static int viacam_s_ctrl(struct file *filp, void *priv, - struct v4l2_control *ctrl) -{ - struct via_camera *cam = priv; - int ret; - - mutex_lock(&cam->lock); - ret = sensor_call(cam, core, s_ctrl, ctrl); - mutex_unlock(&cam->lock); - return ret; -} - -/* * Only one input. */ static int viacam_enum_input(struct file *filp, void *priv, @@ -1214,9 +1175,6 @@ static int viacam_enum_frameintervals(struct file *filp, void *priv, static const struct v4l2_ioctl_ops viacam_ioctl_ops = { .vidioc_g_chip_ident = viacam_g_chip_ident, - .vidioc_queryctrl = viacam_queryctrl, - .vidioc_g_ctrl = viacam_g_ctrl, - .vidioc_s_ctrl = viacam_s_ctrl, .vidioc_enum_input = viacam_enum_input, .vidioc_g_input = viacam_g_input, .vidioc_s_input = viacam_s_input, @@ -1418,8 +1376,12 @@ static int viacam_probe(struct platform_device *pdev) ret = v4l2_device_register(&pdev->dev, &cam->v4l2_dev); if (ret) { dev_err(&pdev->dev, "Unable to register v4l2 device\n"); - return ret; + goto out_free; } + ret = v4l2_ctrl_handler_init(&cam->ctrl_handler, 10); + if (ret) + goto out_unregister; + cam->v4l2_dev.ctrl_handler = &cam->ctrl_handler; /* * Convince the system that we can do DMA. */ @@ -1436,7 +1398,7 @@ static int viacam_probe(struct platform_device *pdev) */ ret = via_sensor_power_setup(cam); if (ret) - goto out_unregister; + goto out_ctrl_hdl_free; via_sensor_power_up(cam); /* @@ -1485,8 +1447,12 @@ out_irq: free_irq(viadev->pdev->irq, cam); out_power_down: via_sensor_power_release(cam); +out_ctrl_hdl_free: + v4l2_ctrl_handler_free(&cam->ctrl_handler); out_unregister: v4l2_device_unregister(&cam->v4l2_dev); +out_free: + kfree(cam); return ret; } @@ -1499,6 +1465,8 @@ static int viacam_remove(struct platform_device *pdev) v4l2_device_unregister(&cam->v4l2_dev); free_irq(viadev->pdev->irq, cam); via_sensor_power_release(cam); + v4l2_ctrl_handler_free(&cam->ctrl_handler); + kfree(cam); via_cam_info = NULL; return 0; } diff --git a/drivers/media/platform/vino.c b/drivers/media/platform/vino.c index 70b0bf4b290..eb5d6f95570 100644 --- a/drivers/media/platform/vino.c +++ b/drivers/media/platform/vino.c @@ -2474,8 +2474,8 @@ static irqreturn_t vino_interrupt(int irq, void *dev_id) if ((!handled_a) && (done_a || skip_a)) { if (!skip_a) { - do_gettimeofday(&vino_drvdata-> - a.int_data.timestamp); + v4l2_get_timestamp( + &vino_drvdata->a.int_data.timestamp); vino_drvdata->a.int_data.frame_counter = fc_a; } vino_drvdata->a.int_data.skip = skip_a; @@ -2489,8 +2489,8 @@ static irqreturn_t vino_interrupt(int irq, void *dev_id) if ((!handled_b) && (done_b || skip_b)) { if (!skip_b) { - do_gettimeofday(&vino_drvdata-> - b.int_data.timestamp); + v4l2_get_timestamp( + &vino_drvdata->b.int_data.timestamp); vino_drvdata->b.int_data.frame_counter = fc_b; } vino_drvdata->b.int_data.skip = skip_b; @@ -3410,6 +3410,9 @@ static void vino_v4l2_get_buffer_status(struct vino_channel_settings *vcs, if (fb->map_count > 0) b->flags |= V4L2_BUF_FLAG_MAPPED; + b->flags &= ~V4L2_BUF_FLAG_TIMESTAMP_MASK; + b->flags |= V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; + b->index = fb->id; b->memory = (vcs->fb_queue.type == VINO_MEMORY_MMAP) ? V4L2_MEMORY_MMAP : V4L2_MEMORY_USERPTR; diff --git a/drivers/media/platform/vivi.c b/drivers/media/platform/vivi.c index 0d59b9db83c..8a33a712f48 100644 --- a/drivers/media/platform/vivi.c +++ b/drivers/media/platform/vivi.c @@ -36,9 +36,17 @@ #define VIVI_MODULE_NAME "vivi" -/* Wake up at about 30 fps */ -#define WAKE_NUMERATOR 30 -#define WAKE_DENOMINATOR 1001 +/* Maximum allowed frame rate + * + * Vivi will allow setting timeperframe in [1/FPS_MAX - FPS_MAX/1] range. + * + * Ideally FPS_MAX should be infinity, i.e. practically UINT_MAX, but that + * might hit application errors when they manipulate these values. + * + * Besides, for tpf < 1ms image-generation logic should be changed, to avoid + * producing frames with equal content. + */ +#define FPS_MAX 1000 #define MAX_WIDTH 1920 #define MAX_HEIGHT 1200 @@ -69,6 +77,12 @@ MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes"); /* Global font descriptor */ static const u8 *font8x16; +/* timeperframe: min/max and default */ +static const struct v4l2_fract + tpf_min = {.numerator = 1, .denominator = FPS_MAX}, + tpf_max = {.numerator = FPS_MAX, .denominator = 1}, + tpf_default = {.numerator = 1001, .denominator = 30000}; /* NTSC */ + #define dprintk(dev, level, fmt, arg...) \ v4l2_dbg(level, debug, &dev->v4l2_dev, fmt, ## arg) @@ -77,13 +91,13 @@ static const u8 *font8x16; ------------------------------------------------------------------*/ struct vivi_fmt { - char *name; + const char *name; u32 fourcc; /* v4l2 format id */ u8 depth; bool is_yuv; }; -static struct vivi_fmt formats[] = { +static const struct vivi_fmt formats[] = { { .name = "4:2:2, packed, YUYV", .fourcc = V4L2_PIX_FMT_YUYV, @@ -150,14 +164,14 @@ static struct vivi_fmt formats[] = { }, }; -static struct vivi_fmt *get_format(struct v4l2_format *f) +static const struct vivi_fmt *__get_format(u32 pixelformat) { - struct vivi_fmt *fmt; + const struct vivi_fmt *fmt; unsigned int k; for (k = 0; k < ARRAY_SIZE(formats); k++) { fmt = &formats[k]; - if (fmt->fourcc == f->fmt.pix.pixelformat) + if (fmt->fourcc == pixelformat) break; } @@ -167,12 +181,17 @@ static struct vivi_fmt *get_format(struct v4l2_format *f) return &formats[k]; } +static const struct vivi_fmt *get_format(struct v4l2_format *f) +{ + return __get_format(f->fmt.pix.pixelformat); +} + /* buffer for one video frame */ struct vivi_buffer { /* common v4l buffer stuff -- must be first */ struct vb2_buffer vb; struct list_head list; - struct vivi_fmt *fmt; + const struct vivi_fmt *fmt; }; struct vivi_dmaqueue { @@ -231,15 +250,17 @@ struct vivi_dev { int input; /* video capture */ - struct vivi_fmt *fmt; + const struct vivi_fmt *fmt; + struct v4l2_fract timeperframe; unsigned int width, height; struct vb2_queue vb_vidq; unsigned int field_count; u8 bars[9][3]; - u8 line[MAX_WIDTH * 8]; + u8 line[MAX_WIDTH * 8] __attribute__((__aligned__(4))); unsigned int pixelsize; u8 alpha_component; + u32 textfg, textbg; }; /* ------------------------------------------------------------------ @@ -276,7 +297,7 @@ struct bar_std { /* Maximum number of bars are 10 - otherwise, the input print code should be modified */ -static struct bar_std bars[] = { +static const struct bar_std bars[] = { { /* Standard ITU-R color bar sequence */ { COLOR_WHITE, COLOR_AMBER, COLOR_CYAN, COLOR_GREEN, COLOR_MAGENTA, COLOR_RED, COLOR_BLUE, COLOR_BLACK, COLOR_BLACK } @@ -511,66 +532,100 @@ static void gen_twopix(struct vivi_dev *dev, u8 *buf, int colorpos, bool odd) static void precalculate_line(struct vivi_dev *dev) { - int w; - - for (w = 0; w < dev->width * 2; w++) { - int colorpos = w / (dev->width / 8) % 8; - - gen_twopix(dev, dev->line + w * dev->pixelsize, colorpos, w & 1); + unsigned pixsize = dev->pixelsize; + unsigned pixsize2 = 2*pixsize; + int colorpos; + u8 *pos; + + for (colorpos = 0; colorpos < 16; ++colorpos) { + u8 pix[8]; + int wstart = colorpos * dev->width / 8; + int wend = (colorpos+1) * dev->width / 8; + int w; + + gen_twopix(dev, &pix[0], colorpos % 8, 0); + gen_twopix(dev, &pix[pixsize], colorpos % 8, 1); + + for (w = wstart/2*2, pos = dev->line + w*pixsize; w < wend; w += 2, pos += pixsize2) + memcpy(pos, pix, pixsize2); } } +/* need this to do rgb24 rendering */ +typedef struct { u16 __; u8 _; } __attribute__((packed)) x24; + static void gen_text(struct vivi_dev *dev, char *basep, int y, int x, char *text) { int line; + unsigned int width = dev->width; /* Checks if it is possible to show string */ - if (y + 16 >= dev->height || x + strlen(text) * 8 >= dev->width) + if (y + 16 >= dev->height || x + strlen(text) * 8 >= width) return; /* Print stream time */ - for (line = y; line < y + 16; line++) { - int j = 0; - char *pos = basep + line * dev->width * dev->pixelsize + x * dev->pixelsize; - char *s; - - for (s = text; *s; s++) { - u8 chr = font8x16[*s * 16 + line - y]; - int i; - - for (i = 0; i < 7; i++, j++) { - /* Draw white font on black background */ - if (chr & (1 << (7 - i))) - gen_twopix(dev, pos + j * dev->pixelsize, WHITE, (x+y) & 1); - else - gen_twopix(dev, pos + j * dev->pixelsize, TEXT_BLACK, (x+y) & 1); - } - } +#define PRINTSTR(PIXTYPE) do { \ + PIXTYPE fg; \ + PIXTYPE bg; \ + memcpy(&fg, &dev->textfg, sizeof(PIXTYPE)); \ + memcpy(&bg, &dev->textbg, sizeof(PIXTYPE)); \ + \ + for (line = 0; line < 16; line++) { \ + PIXTYPE *pos = (PIXTYPE *)( basep + ((y + line) * width + x) * sizeof(PIXTYPE) ); \ + u8 *s; \ + \ + for (s = text; *s; s++) { \ + u8 chr = font8x16[*s * 16 + line]; \ + \ + pos[0] = (chr & (0x01 << 7) ? fg : bg); \ + pos[1] = (chr & (0x01 << 6) ? fg : bg); \ + pos[2] = (chr & (0x01 << 5) ? fg : bg); \ + pos[3] = (chr & (0x01 << 4) ? fg : bg); \ + pos[4] = (chr & (0x01 << 3) ? fg : bg); \ + pos[5] = (chr & (0x01 << 2) ? fg : bg); \ + pos[6] = (chr & (0x01 << 1) ? fg : bg); \ + pos[7] = (chr & (0x01 << 0) ? fg : bg); \ + \ + pos += 8; \ + } \ + } \ +} while (0) + + switch (dev->pixelsize) { + case 2: + PRINTSTR(u16); break; + case 4: + PRINTSTR(u32); break; + case 3: + PRINTSTR(x24); break; } } static void vivi_fillbuff(struct vivi_dev *dev, struct vivi_buffer *buf) { - int wmax = dev->width; + int stride = dev->width * dev->pixelsize; int hmax = dev->height; - struct timeval ts; void *vbuf = vb2_plane_vaddr(&buf->vb, 0); unsigned ms; char str[100]; int h, line = 1; + u8 *linestart; s32 gain; if (!vbuf) return; + linestart = dev->line + (dev->mv_count % dev->width) * dev->pixelsize; + for (h = 0; h < hmax; h++) - memcpy(vbuf + h * wmax * dev->pixelsize, - dev->line + (dev->mv_count % wmax) * dev->pixelsize, - wmax * dev->pixelsize); + memcpy(vbuf + h * stride, linestart, stride); /* Updates stream time */ + gen_twopix(dev, (u8 *)&dev->textbg, TEXT_BLACK, /*odd=*/ 0); + gen_twopix(dev, (u8 *)&dev->textfg, WHITE, /*odd=*/ 0); + dev->ms += jiffies_to_msecs(jiffies - dev->jiffies); dev->jiffies = jiffies; ms = dev->ms; @@ -622,8 +677,7 @@ static void vivi_fillbuff(struct vivi_dev *dev, struct vivi_buffer *buf) buf->vb.v4l2_buf.field = V4L2_FIELD_INTERLACED; dev->field_count++; buf->vb.v4l2_buf.sequence = dev->field_count >> 1; - do_gettimeofday(&ts); - buf->vb.v4l2_buf.timestamp = ts; + v4l2_get_timestamp(&buf->vb.v4l2_buf.timestamp); } static void vivi_thread_tick(struct vivi_dev *dev) @@ -645,7 +699,7 @@ static void vivi_thread_tick(struct vivi_dev *dev) list_del(&buf->list); spin_unlock_irqrestore(&dev->slock, flags); - do_gettimeofday(&buf->vb.v4l2_buf.timestamp); + v4l2_get_timestamp(&buf->vb.v4l2_buf.timestamp); /* Fill buffer */ vivi_fillbuff(dev, buf); @@ -655,8 +709,8 @@ static void vivi_thread_tick(struct vivi_dev *dev) dprintk(dev, 2, "[%p/%d] done\n", buf, buf->vb.v4l2_buf.index); } -#define frames_to_ms(frames) \ - ((frames * WAKE_NUMERATOR * 1000) / WAKE_DENOMINATOR) +#define frames_to_ms(dev, frames) \ + ((frames * dev->timeperframe.numerator * 1000) / dev->timeperframe.denominator) static void vivi_sleep(struct vivi_dev *dev) { @@ -672,7 +726,7 @@ static void vivi_sleep(struct vivi_dev *dev) goto stop_task; /* Calculate time to wake up */ - timeout = msecs_to_jiffies(frames_to_ms(1)); + timeout = msecs_to_jiffies(frames_to_ms(dev, 1)); vivi_thread_tick(dev); @@ -872,7 +926,7 @@ static void vivi_unlock(struct vb2_queue *vq) } -static struct vb2_ops vivi_video_qops = { +static const struct vb2_ops vivi_video_qops = { .queue_setup = queue_setup, .buf_prepare = buffer_prepare, .buf_queue = buffer_queue, @@ -903,7 +957,7 @@ static int vidioc_querycap(struct file *file, void *priv, static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, struct v4l2_fmtdesc *f) { - struct vivi_fmt *fmt; + const struct vivi_fmt *fmt; if (f->index >= ARRAY_SIZE(formats)) return -EINVAL; @@ -939,7 +993,7 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) { struct vivi_dev *dev = video_drvdata(file); - struct vivi_fmt *fmt; + const struct vivi_fmt *fmt; fmt = get_format(f); if (!fmt) { @@ -1044,6 +1098,70 @@ static int vidioc_s_input(struct file *file, void *priv, unsigned int i) return 0; } +/* timeperframe is arbitrary and continous */ +static int vidioc_enum_frameintervals(struct file *file, void *priv, + struct v4l2_frmivalenum *fival) +{ + const struct vivi_fmt *fmt; + + if (fival->index) + return -EINVAL; + + fmt = __get_format(fival->pixel_format); + if (!fmt) + return -EINVAL; + + /* regarding width & height - we support any */ + + fival->type = V4L2_FRMIVAL_TYPE_CONTINUOUS; + + /* fill in stepwise (step=1.0 is requred by V4L2 spec) */ + fival->stepwise.min = tpf_min; + fival->stepwise.max = tpf_max; + fival->stepwise.step = (struct v4l2_fract) {1, 1}; + + return 0; +} + +static int vidioc_g_parm(struct file *file, void *priv, + struct v4l2_streamparm *parm) +{ + struct vivi_dev *dev = video_drvdata(file); + + if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + + parm->parm.capture.capability = V4L2_CAP_TIMEPERFRAME; + parm->parm.capture.timeperframe = dev->timeperframe; + parm->parm.capture.readbuffers = 1; + return 0; +} + +#define FRACT_CMP(a, OP, b) \ + ((u64)(a).numerator * (b).denominator OP (u64)(b).numerator * (a).denominator) + +static int vidioc_s_parm(struct file *file, void *priv, + struct v4l2_streamparm *parm) +{ + struct vivi_dev *dev = video_drvdata(file); + struct v4l2_fract tpf; + + if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + + tpf = parm->parm.capture.timeperframe; + + /* tpf: {*, 0} resets timing; clip to [min, max]*/ + tpf = tpf.denominator ? tpf : tpf_default; + tpf = FRACT_CMP(tpf, <, tpf_min) ? tpf_min : tpf; + tpf = FRACT_CMP(tpf, >, tpf_max) ? tpf_max : tpf; + + dev->timeperframe = tpf; + parm->parm.capture.timeperframe = tpf; + parm->parm.capture.readbuffers = 1; + return 0; +} + /* --- controls ---------------------------------------------- */ static int vivi_g_volatile_ctrl(struct v4l2_ctrl *ctrl) @@ -1202,6 +1320,9 @@ static const struct v4l2_ioctl_ops vivi_ioctl_ops = { .vidioc_enum_input = vidioc_enum_input, .vidioc_g_input = vidioc_g_input, .vidioc_s_input = vidioc_s_input, + .vidioc_enum_frameintervals = vidioc_enum_frameintervals, + .vidioc_g_parm = vidioc_g_parm, + .vidioc_s_parm = vidioc_s_parm, .vidioc_streamon = vb2_ioctl_streamon, .vidioc_streamoff = vb2_ioctl_streamoff, .vidioc_log_status = v4l2_ctrl_log_status, @@ -1209,7 +1330,7 @@ static const struct v4l2_ioctl_ops vivi_ioctl_ops = { .vidioc_unsubscribe_event = v4l2_event_unsubscribe, }; -static struct video_device vivi_template = { +static const struct video_device vivi_template = { .name = "vivi", .fops = &vivi_fops, .ioctl_ops = &vivi_ioctl_ops, @@ -1260,6 +1381,7 @@ static int __init vivi_create_instance(int inst) goto free_dev; dev->fmt = &formats[0]; + dev->timeperframe = tpf_default; dev->width = 640; dev->height = 480; dev->pixelsize = dev->fmt->depth / 8; |