diff options
Diffstat (limited to 'drivers/media/video/s5p-fimc/fimc-core.c')
| -rw-r--r-- | drivers/media/video/s5p-fimc/fimc-core.c | 1138 |
1 files changed, 595 insertions, 543 deletions
diff --git a/drivers/media/video/s5p-fimc/fimc-core.c b/drivers/media/video/s5p-fimc/fimc-core.c index aa550666cc0..19ca6db38b2 100644 --- a/drivers/media/video/s5p-fimc/fimc-core.c +++ b/drivers/media/video/s5p-fimc/fimc-core.c @@ -18,6 +18,7 @@ #include <linux/interrupt.h> #include <linux/device.h> #include <linux/platform_device.h> +#include <linux/pm_runtime.h> #include <linux/list.h> #include <linux/io.h> #include <linux/slab.h> @@ -27,9 +28,10 @@ #include <media/videobuf2-dma-contig.h> #include "fimc-core.h" +#include "fimc-mdevice.h" static char *fimc_clocks[MAX_FIMC_CLOCKS] = { - "sclk_fimc", "fimc", "sclk_cam" + "sclk_fimc", "fimc" }; static struct fimc_fmt fimc_formats[] = { @@ -157,59 +159,28 @@ static struct fimc_fmt fimc_formats[] = { .memplanes = 2, .colplanes = 2, .flags = FMT_FLAGS_M2M, - }, -}; - -static struct v4l2_queryctrl fimc_ctrls[] = { - { - .id = V4L2_CID_HFLIP, - .type = V4L2_CTRL_TYPE_BOOLEAN, - .name = "Horizontal flip", - .minimum = 0, - .maximum = 1, - .default_value = 0, }, { - .id = V4L2_CID_VFLIP, - .type = V4L2_CTRL_TYPE_BOOLEAN, - .name = "Vertical flip", - .minimum = 0, - .maximum = 1, - .default_value = 0, - }, { - .id = V4L2_CID_ROTATE, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Rotation (CCW)", - .minimum = 0, - .maximum = 270, - .step = 90, - .default_value = 0, + .name = "JPEG encoded data", + .fourcc = V4L2_PIX_FMT_JPEG, + .color = S5P_FIMC_JPEG, + .depth = { 8 }, + .memplanes = 1, + .colplanes = 1, + .mbus_code = V4L2_MBUS_FMT_JPEG_1X8, + .flags = FMT_FLAGS_CAM, }, }; - -static struct v4l2_queryctrl *get_ctrl(int id) +int fimc_check_scaler_ratio(struct fimc_ctx *ctx, int sw, int sh, + int dw, int dh, int rotation) { - int i; - - for (i = 0; i < ARRAY_SIZE(fimc_ctrls); ++i) - if (id == fimc_ctrls[i].id) - return &fimc_ctrls[i]; - return NULL; -} + if (rotation == 90 || rotation == 270) + swap(dw, dh); -int fimc_check_scaler_ratio(int sw, int sh, int dw, int dh, int rot) -{ - int tx, ty; - - if (rot == 90 || rot == 270) { - ty = dw; - tx = dh; - } else { - tx = dw; - ty = dh; - } + if (!ctx->scaler.enabled) + return (sw == dw && sh == dh) ? 0 : -EINVAL; - if ((sw >= SCALER_MAX_HRATIO * tx) || (sh >= SCALER_MAX_VRATIO * ty)) + if ((sw >= SCALER_MAX_HRATIO * dw) || (sh >= SCALER_MAX_VRATIO * dh)) return -EINVAL; return 0; @@ -235,10 +206,11 @@ static int fimc_get_scaler_factor(u32 src, u32 tar, u32 *ratio, u32 *shift) int fimc_set_scaler_info(struct fimc_ctx *ctx) { + struct samsung_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; struct fimc_frame *d_frame = &ctx->d_frame; - struct samsung_fimc_variant *variant = ctx->fimc_dev->variant; int tx, ty, sx, sy; int ret; @@ -250,15 +222,14 @@ int fimc_set_scaler_info(struct fimc_ctx *ctx) ty = d_frame->height; } if (tx <= 0 || ty <= 0) { - v4l2_err(&ctx->fimc_dev->m2m.v4l2_dev, - "invalid target size: %d x %d", tx, ty); + dev_err(dev, "Invalid target size: %dx%d", tx, ty); return -EINVAL; } sx = s_frame->width; sy = s_frame->height; if (sx <= 0 || sy <= 0) { - err("invalid source size: %d x %d", sx, sy); + dev_err(dev, "Invalid source size: %dx%d", sx, sy); return -EINVAL; } sc->real_width = sx; @@ -301,7 +272,6 @@ int fimc_set_scaler_info(struct fimc_ctx *ctx) static void fimc_m2m_job_finish(struct fimc_ctx *ctx, int vb_state) { struct vb2_buffer *src_vb, *dst_vb; - struct fimc_dev *fimc = ctx->fimc_dev; if (!ctx || !ctx->m2m_ctx) return; @@ -312,54 +282,68 @@ static void fimc_m2m_job_finish(struct fimc_ctx *ctx, int vb_state) if (src_vb && dst_vb) { v4l2_m2m_buf_done(src_vb, vb_state); v4l2_m2m_buf_done(dst_vb, vb_state); - v4l2_m2m_job_finish(fimc->m2m.m2m_dev, ctx->m2m_ctx); + v4l2_m2m_job_finish(ctx->fimc_dev->m2m.m2m_dev, + ctx->m2m_ctx); } } /* Complete the transaction which has been scheduled for execution. */ -static void fimc_m2m_shutdown(struct fimc_ctx *ctx) +static int fimc_m2m_shutdown(struct fimc_ctx *ctx) { struct fimc_dev *fimc = ctx->fimc_dev; int ret; if (!fimc_m2m_pending(fimc)) - return; + return 0; fimc_ctx_state_lock_set(FIMC_CTX_SHUT, ctx); ret = wait_event_timeout(fimc->irq_queue, !fimc_ctx_state_is_set(FIMC_CTX_SHUT, ctx), FIMC_SHUTDOWN_TIMEOUT); - /* - * In case of a timeout the buffers are not released in the interrupt - * handler so return them here with the error flag set, if there are - * any on the queue. - */ - if (ret == 0) - fimc_m2m_job_finish(ctx, VB2_BUF_STATE_ERROR); + + return ret == 0 ? -ETIMEDOUT : ret; +} + +static int start_streaming(struct vb2_queue *q, unsigned int count) +{ + struct fimc_ctx *ctx = q->drv_priv; + int ret; + + ret = pm_runtime_get_sync(&ctx->fimc_dev->pdev->dev); + return ret > 0 ? 0 : ret; } static int stop_streaming(struct vb2_queue *q) { struct fimc_ctx *ctx = q->drv_priv; + int ret; - fimc_m2m_shutdown(ctx); + ret = fimc_m2m_shutdown(ctx); + if (ret == -ETIMEDOUT) + fimc_m2m_job_finish(ctx, VB2_BUF_STATE_ERROR); + pm_runtime_put(&ctx->fimc_dev->pdev->dev); return 0; } -static void fimc_capture_irq_handler(struct fimc_dev *fimc) +void fimc_capture_irq_handler(struct fimc_dev *fimc, bool final) { struct fimc_vid_cap *cap = &fimc->vid_cap; struct fimc_vid_buffer *v_buf; struct timeval *tv; struct timespec ts; + if (test_and_clear_bit(ST_CAPT_SHUT, &fimc->state)) { + wake_up(&fimc->irq_queue); + return; + } + if (!list_empty(&cap->active_buf_q) && - test_bit(ST_CAPT_RUN, &fimc->state)) { + test_bit(ST_CAPT_RUN, &fimc->state) && final) { ktime_get_real_ts(&ts); - v_buf = active_queue_pop(cap); + v_buf = fimc_active_queue_pop(cap); tv = &v_buf->vb.v4l2_buf.timestamp; tv->tv_sec = ts.tv_sec; @@ -369,19 +353,14 @@ static void fimc_capture_irq_handler(struct fimc_dev *fimc) vb2_buffer_done(&v_buf->vb, VB2_BUF_STATE_DONE); } - if (test_and_clear_bit(ST_CAPT_SHUT, &fimc->state)) { - wake_up(&fimc->irq_queue); - return; - } - if (!list_empty(&cap->pending_buf_q)) { - v_buf = pending_queue_pop(cap); + v_buf = fimc_pending_queue_pop(cap); fimc_hw_set_output_addr(fimc, &v_buf->paddr, cap->buf_index); v_buf->index = cap->buf_index; /* Move the buffer to the capture active queue */ - active_queue_add(cap, v_buf); + fimc_active_queue_add(cap, v_buf); dbg("next frame: %d, done frame: %d", fimc_hw_get_frame_index(fimc), v_buf->index); @@ -391,7 +370,8 @@ static void fimc_capture_irq_handler(struct fimc_dev *fimc) } if (cap->active_buf_cnt == 0) { - clear_bit(ST_CAPT_RUN, &fimc->state); + if (final) + clear_bit(ST_CAPT_RUN, &fimc->state); if (++cap->buf_index >= FIMC_MAX_OUT_BUFS) cap->buf_index = 0; @@ -399,11 +379,13 @@ static void fimc_capture_irq_handler(struct fimc_dev *fimc) set_bit(ST_CAPT_RUN, &fimc->state); } + fimc_capture_config_update(cap->ctx); + dbg("frame: %d, active_buf_cnt: %d", fimc_hw_get_frame_index(fimc), cap->active_buf_cnt); } -static irqreturn_t fimc_isr(int irq, void *priv) +static irqreturn_t fimc_irq_handler(int irq, void *priv) { struct fimc_dev *fimc = priv; struct fimc_vid_cap *cap = &fimc->vid_cap; @@ -411,9 +393,17 @@ static irqreturn_t fimc_isr(int irq, void *priv) fimc_hw_clear_irq(fimc); + spin_lock(&fimc->slock); + if (test_and_clear_bit(ST_M2M_PEND, &fimc->state)) { + if (test_and_clear_bit(ST_M2M_SUSPENDING, &fimc->state)) { + set_bit(ST_M2M_SUSPENDED, &fimc->state); + wake_up(&fimc->irq_queue); + goto out; + } ctx = v4l2_m2m_get_curr_priv(fimc->m2m.m2m_dev); if (ctx != NULL) { + spin_unlock(&fimc->slock); fimc_m2m_job_finish(ctx, VB2_BUF_STATE_DONE); spin_lock(&ctx->slock); @@ -423,21 +413,16 @@ static irqreturn_t fimc_isr(int irq, void *priv) } spin_unlock(&ctx->slock); } - return IRQ_HANDLED; - } - - spin_lock(&fimc->slock); - - if (test_bit(ST_CAPT_PEND, &fimc->state)) { - fimc_capture_irq_handler(fimc); - + } else if (test_bit(ST_CAPT_PEND, &fimc->state)) { + fimc_capture_irq_handler(fimc, + !test_bit(ST_CAPT_JPEG, &fimc->state)); if (cap->active_buf_cnt == 1) { fimc_deactivate_capture(fimc); clear_bit(ST_CAPT_STREAM, &fimc->state); } } - +out: spin_unlock(&fimc->slock); return IRQ_HANDLED; } @@ -457,7 +442,7 @@ int fimc_prepare_addr(struct fimc_ctx *ctx, struct vb2_buffer *vb, dbg("memplanes= %d, colplanes= %d, pix_size= %d", frame->fmt->memplanes, frame->fmt->colplanes, pix_size); - paddr->y = vb2_dma_contig_plane_paddr(vb, 0); + paddr->y = vb2_dma_contig_plane_dma_addr(vb, 0); if (frame->fmt->memplanes == 1) { switch (frame->fmt->colplanes) { @@ -485,10 +470,10 @@ int fimc_prepare_addr(struct fimc_ctx *ctx, struct vb2_buffer *vb, } } else { if (frame->fmt->memplanes >= 2) - paddr->cb = vb2_dma_contig_plane_paddr(vb, 1); + paddr->cb = vb2_dma_contig_plane_dma_addr(vb, 1); if (frame->fmt->memplanes == 3) - paddr->cr = vb2_dma_contig_plane_paddr(vb, 2); + paddr->cr = vb2_dma_contig_plane_dma_addr(vb, 2); } dbg("PHYS_ADDR: y= 0x%X cb= 0x%X cr= 0x%X ret= %d", @@ -498,7 +483,7 @@ int fimc_prepare_addr(struct fimc_ctx *ctx, struct vb2_buffer *vb, } /* Set order for 1 and 2 plane YCBCR 4:2:2 formats. */ -static void fimc_set_yuv_order(struct fimc_ctx *ctx) +void fimc_set_yuv_order(struct fimc_ctx *ctx) { /* The one only mode supported in SoC. */ ctx->in_order_2p = S5P_FIMC_LSB_CRCB; @@ -540,7 +525,7 @@ static void fimc_set_yuv_order(struct fimc_ctx *ctx) dbg("ctx->out_order_1p= %d", ctx->out_order_1p); } -static void fimc_prepare_dma_offset(struct fimc_ctx *ctx, struct fimc_frame *f) +void fimc_prepare_dma_offset(struct fimc_ctx *ctx, struct fimc_frame *f) { struct samsung_fimc_variant *variant = ctx->fimc_dev->variant; u32 i, depth = 0; @@ -606,9 +591,6 @@ int fimc_prepare_config(struct fimc_ctx *ctx, u32 flags) fimc_set_yuv_order(ctx); } - /* Input DMA mode is not allowed when the scaler is disabled. */ - ctx->scaler.enabled = 1; - if (flags & FIMC_SRC_ADDR) { vb = v4l2_m2m_next_src_buf(ctx->m2m_ctx); ret = fimc_prepare_addr(ctx, vb, s_frame, &s_frame->paddr); @@ -635,10 +617,10 @@ static void fimc_dma_run(void *priv) return; fimc = ctx->fimc_dev; - - spin_lock_irqsave(&ctx->slock, flags); + spin_lock_irqsave(&fimc->slock, flags); set_bit(ST_M2M_PEND, &fimc->state); + spin_lock(&ctx->slock); ctx->state |= (FIMC_SRC_ADDR | FIMC_DST_ADDR); ret = fimc_prepare_config(ctx, ctx->state); if (ret) @@ -649,8 +631,6 @@ static void fimc_dma_run(void *priv) ctx->state |= FIMC_PARAMS; fimc->m2m.ctx = ctx; } - - spin_lock(&fimc->slock); fimc_hw_set_input_addr(fimc, &ctx->s_frame.paddr); if (ctx->state & FIMC_PARAMS) { @@ -665,7 +645,7 @@ static void fimc_dma_run(void *priv) fimc_hw_set_mainscaler(ctx); fimc_hw_set_target_format(ctx); fimc_hw_set_rotation(ctx); - fimc_hw_set_effect(ctx); + fimc_hw_set_effect(ctx, false); } fimc_hw_set_output_path(ctx); @@ -680,10 +660,9 @@ static void fimc_dma_run(void *priv) ctx->state &= (FIMC_CTX_M2M | FIMC_CTX_CAP | FIMC_SRC_FMT | FIMC_DST_FMT); fimc_hw_activate_input_dma(fimc, true); - spin_unlock(&fimc->slock); - dma_unlock: - spin_unlock_irqrestore(&ctx->slock, flags); + spin_unlock(&ctx->slock); + spin_unlock_irqrestore(&fimc->slock, flags); } static void fimc_job_abort(void *priv) @@ -691,9 +670,9 @@ static void fimc_job_abort(void *priv) fimc_m2m_shutdown(priv); } -static int fimc_queue_setup(struct vb2_queue *vq, unsigned int *num_buffers, - unsigned int *num_planes, unsigned long sizes[], - void *allocators[]) +static int fimc_queue_setup(struct vb2_queue *vq, const struct v4l2_format *fmt, + unsigned int *num_buffers, unsigned int *num_planes, + unsigned int sizes[], void *allocators[]) { struct fimc_ctx *ctx = vb2_get_drv_priv(vq); struct fimc_frame *f; @@ -762,146 +741,296 @@ static struct vb2_ops fimc_qops = { .wait_prepare = fimc_unlock, .wait_finish = fimc_lock, .stop_streaming = stop_streaming, + .start_streaming = start_streaming, }; -static int fimc_m2m_querycap(struct file *file, void *priv, - struct v4l2_capability *cap) +/* + * V4L2 controls handling + */ +#define ctrl_to_ctx(__ctrl) \ + container_of((__ctrl)->handler, struct fimc_ctx, ctrl_handler) + +static int fimc_s_ctrl(struct v4l2_ctrl *ctrl) { - struct fimc_ctx *ctx = file->private_data; + struct fimc_ctx *ctx = ctrl_to_ctx(ctrl); + struct fimc_dev *fimc = ctx->fimc_dev; + struct samsung_fimc_variant *variant = fimc->variant; + unsigned long flags; + int ret = 0; + + if (ctrl->flags & V4L2_CTRL_FLAG_INACTIVE) + return 0; + + switch (ctrl->id) { + case V4L2_CID_HFLIP: + spin_lock_irqsave(&ctx->slock, flags); + ctx->hflip = ctrl->val; + break; + + case V4L2_CID_VFLIP: + spin_lock_irqsave(&ctx->slock, flags); + ctx->vflip = ctrl->val; + break; + + case V4L2_CID_ROTATE: + if (fimc_capture_pending(fimc) || + fimc_ctx_state_is_set(FIMC_DST_FMT | FIMC_SRC_FMT, ctx)) { + ret = fimc_check_scaler_ratio(ctx, ctx->s_frame.width, + ctx->s_frame.height, ctx->d_frame.width, + ctx->d_frame.height, ctrl->val); + } + if (ret) { + v4l2_err(fimc->m2m.vfd, "Out of scaler range\n"); + return -EINVAL; + } + if ((ctrl->val == 90 || ctrl->val == 270) && + !variant->has_out_rot) + return -EINVAL; + spin_lock_irqsave(&ctx->slock, flags); + ctx->rotation = ctrl->val; + break; + + default: + v4l2_err(fimc->v4l2_dev, "Invalid control: 0x%X\n", ctrl->id); + return -EINVAL; + } + ctx->state |= FIMC_PARAMS; + set_bit(ST_CAPT_APPLY_CFG, &fimc->state); + spin_unlock_irqrestore(&ctx->slock, flags); + return 0; +} + +static const struct v4l2_ctrl_ops fimc_ctrl_ops = { + .s_ctrl = fimc_s_ctrl, +}; + +int fimc_ctrls_create(struct fimc_ctx *ctx) +{ + if (ctx->ctrls_rdy) + return 0; + v4l2_ctrl_handler_init(&ctx->ctrl_handler, 3); + + ctx->ctrl_rotate = v4l2_ctrl_new_std(&ctx->ctrl_handler, &fimc_ctrl_ops, + V4L2_CID_HFLIP, 0, 1, 1, 0); + ctx->ctrl_hflip = v4l2_ctrl_new_std(&ctx->ctrl_handler, &fimc_ctrl_ops, + V4L2_CID_VFLIP, 0, 1, 1, 0); + ctx->ctrl_vflip = v4l2_ctrl_new_std(&ctx->ctrl_handler, &fimc_ctrl_ops, + V4L2_CID_ROTATE, 0, 270, 90, 0); + ctx->ctrls_rdy = ctx->ctrl_handler.error == 0; + + return ctx->ctrl_handler.error; +} + +void fimc_ctrls_delete(struct fimc_ctx *ctx) +{ + if (ctx->ctrls_rdy) { + v4l2_ctrl_handler_free(&ctx->ctrl_handler); + ctx->ctrls_rdy = false; + } +} + +void fimc_ctrls_activate(struct fimc_ctx *ctx, bool active) +{ + if (!ctx->ctrls_rdy) + return; + + mutex_lock(&ctx->ctrl_handler.lock); + v4l2_ctrl_activate(ctx->ctrl_rotate, active); + v4l2_ctrl_activate(ctx->ctrl_hflip, active); + v4l2_ctrl_activate(ctx->ctrl_vflip, active); + + if (active) { + ctx->rotation = ctx->ctrl_rotate->val; + ctx->hflip = ctx->ctrl_hflip->val; + ctx->vflip = ctx->ctrl_vflip->val; + } else { + ctx->rotation = 0; + ctx->hflip = 0; + ctx->vflip = 0; + } + mutex_unlock(&ctx->ctrl_handler.lock); +} + +/* + * V4L2 ioctl handlers + */ +static int fimc_m2m_querycap(struct file *file, void *fh, + struct v4l2_capability *cap) +{ + struct fimc_ctx *ctx = fh_to_ctx(fh); struct fimc_dev *fimc = ctx->fimc_dev; strncpy(cap->driver, fimc->pdev->name, sizeof(cap->driver) - 1); strncpy(cap->card, fimc->pdev->name, sizeof(cap->card) - 1); cap->bus_info[0] = 0; cap->capabilities = V4L2_CAP_STREAMING | - V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VIDEO_OUTPUT | V4L2_CAP_VIDEO_CAPTURE_MPLANE | V4L2_CAP_VIDEO_OUTPUT_MPLANE; return 0; } -int fimc_vidioc_enum_fmt_mplane(struct file *file, void *priv, - struct v4l2_fmtdesc *f) +static int fimc_m2m_enum_fmt_mplane(struct file *file, void *priv, + struct v4l2_fmtdesc *f) { struct fimc_fmt *fmt; - if (f->index >= ARRAY_SIZE(fimc_formats)) + fmt = fimc_find_format(NULL, NULL, FMT_FLAGS_M2M, f->index); + if (!fmt) return -EINVAL; - fmt = &fimc_formats[f->index]; strncpy(f->description, fmt->name, sizeof(f->description) - 1); f->pixelformat = fmt->fourcc; - return 0; } -int fimc_vidioc_g_fmt_mplane(struct file *file, void *priv, - struct v4l2_format *f) +int fimc_fill_format(struct fimc_frame *frame, struct v4l2_format *f) { - struct fimc_ctx *ctx = priv; - struct fimc_frame *frame; - struct v4l2_pix_format_mplane *pixm; + struct v4l2_pix_format_mplane *pixm = &f->fmt.pix_mp; int i; - frame = ctx_get_frame(ctx, f->type); - if (IS_ERR(frame)) - return PTR_ERR(frame); - - pixm = &f->fmt.pix_mp; - - pixm->width = frame->width; - pixm->height = frame->height; - pixm->field = V4L2_FIELD_NONE; - pixm->pixelformat = frame->fmt->fourcc; - pixm->colorspace = V4L2_COLORSPACE_JPEG; - pixm->num_planes = frame->fmt->memplanes; + pixm->width = frame->o_width; + pixm->height = frame->o_height; + pixm->field = V4L2_FIELD_NONE; + pixm->pixelformat = frame->fmt->fourcc; + pixm->colorspace = V4L2_COLORSPACE_JPEG; + pixm->num_planes = frame->fmt->memplanes; for (i = 0; i < pixm->num_planes; ++i) { - int bpl = frame->o_width; - + 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; - pixm->plane_fmt[i].sizeimage = (frame->o_width * frame->o_height * frame->fmt->depth[i]) / 8; } - return 0; } -struct fimc_fmt *find_format(struct v4l2_format *f, unsigned int mask) +void fimc_fill_frame(struct fimc_frame *frame, struct v4l2_format *f) { - struct fimc_fmt *fmt; - unsigned int i; + 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; +} - for (i = 0; i < ARRAY_SIZE(fimc_formats); ++i) { - fmt = &fimc_formats[i]; - if (fmt->fourcc == f->fmt.pix_mp.pixelformat && - (fmt->flags & mask)) - break; +/** + * fimc_adjust_mplane_format - adjust bytesperline/sizeimage for each plane + * @fmt: fimc pixel format description (input) + * @width: requested pixel width + * @height: requested pixel height + * @pix: multi-plane format to adjust + */ +void fimc_adjust_mplane_format(struct fimc_fmt *fmt, u32 width, u32 height, + struct v4l2_pix_format_mplane *pix) +{ + u32 bytesperline = 0; + int i; + + pix->colorspace = V4L2_COLORSPACE_JPEG; + pix->field = V4L2_FIELD_NONE; + pix->num_planes = fmt->memplanes; + pix->height = height; + pix->width = width; + + for (i = 0; i < pix->num_planes; ++i) { + u32 bpl = pix->plane_fmt[i].bytesperline; + u32 *sizeimage = &pix->plane_fmt[i].sizeimage; + + if (fmt->colplanes > 1 && (bpl == 0 || bpl < pix->width)) + bpl = pix->width; /* Planar */ + + 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. */ + bytesperline = bpl; + + pix->plane_fmt[i].bytesperline = bytesperline; + *sizeimage = (pix->width * pix->height * fmt->depth[i]) / 8; } +} - return (i == ARRAY_SIZE(fimc_formats)) ? NULL : fmt; +static int fimc_m2m_g_fmt_mplane(struct file *file, void *fh, + struct v4l2_format *f) +{ + struct fimc_ctx *ctx = fh_to_ctx(fh); + struct fimc_frame *frame = ctx_get_frame(ctx, f->type); + + if (IS_ERR(frame)) + return PTR_ERR(frame); + + return fimc_fill_format(frame, f); } -struct fimc_fmt *find_mbus_format(struct v4l2_mbus_framefmt *f, - unsigned int mask) +/** + * fimc_find_format - lookup fimc color format by fourcc or media bus format + * @pixelformat: fourcc to match, ignored if null + * @mbus_code: media bus code to match, ignored if null + * @mask: the color flags to match + * @index: offset in the fimc_formats array, ignored if negative + */ +struct fimc_fmt *fimc_find_format(u32 *pixelformat, u32 *mbus_code, + unsigned int mask, int index) { - struct fimc_fmt *fmt; + struct fimc_fmt *fmt, *def_fmt = NULL; unsigned int i; + int id = 0; + + if (index >= ARRAY_SIZE(fimc_formats)) + return NULL; for (i = 0; i < ARRAY_SIZE(fimc_formats); ++i) { fmt = &fimc_formats[i]; - if (fmt->mbus_code == f->code && (fmt->flags & mask)) - break; + if (!(fmt->flags & mask)) + continue; + if (pixelformat && fmt->fourcc == *pixelformat) + return fmt; + if (mbus_code && fmt->mbus_code == *mbus_code) + return fmt; + if (index == id) + def_fmt = fmt; + id++; } - - return (i == ARRAY_SIZE(fimc_formats)) ? NULL : fmt; + return def_fmt; } - -int fimc_vidioc_try_fmt_mplane(struct file *file, void *priv, - struct v4l2_format *f) +static int fimc_try_fmt_mplane(struct fimc_ctx *ctx, struct v4l2_format *f) { - struct fimc_ctx *ctx = priv; struct fimc_dev *fimc = ctx->fimc_dev; struct samsung_fimc_variant *variant = fimc->variant; struct v4l2_pix_format_mplane *pix = &f->fmt.pix_mp; struct fimc_fmt *fmt; - u32 max_width, mod_x, mod_y, mask; - int i, is_output = 0; - + u32 max_w, mod_x, mod_y; - if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { - if (fimc_ctx_state_is_set(FIMC_CTX_CAP, ctx)) - return -EINVAL; - is_output = 1; - } else if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { + if (!IS_M2M(f->type)) return -EINVAL; - } dbg("w: %d, h: %d", pix->width, pix->height); - mask = is_output ? FMT_FLAGS_M2M : FMT_FLAGS_M2M | FMT_FLAGS_CAM; - fmt = find_format(f, mask); - if (!fmt) { - v4l2_err(&fimc->m2m.v4l2_dev, "Fourcc format (0x%X) invalid.\n", - pix->pixelformat); + fmt = fimc_find_format(&pix->pixelformat, NULL, FMT_FLAGS_M2M, 0); + if (WARN(fmt == NULL, "Pixel format lookup failed")) return -EINVAL; - } if (pix->field == V4L2_FIELD_ANY) pix->field = V4L2_FIELD_NONE; - else if (V4L2_FIELD_NONE != pix->field) + else if (pix->field != V4L2_FIELD_NONE) return -EINVAL; - if (is_output) { - max_width = variant->pix_limit->scaler_dis_w; + if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { + max_w = variant->pix_limit->scaler_dis_w; mod_x = ffs(variant->min_inp_pixsize) - 1; } else { - max_width = variant->pix_limit->out_rot_dis_w; + max_w = variant->pix_limit->out_rot_dis_w; mod_x = ffs(variant->min_out_pixsize) - 1; } @@ -914,70 +1043,52 @@ int fimc_vidioc_try_fmt_mplane(struct file *file, void *priv, else mod_y = mod_x; } + dbg("mod_x: %d, mod_y: %d, max_w: %d", mod_x, mod_y, max_w); - dbg("mod_x: %d, mod_y: %d, max_w: %d", mod_x, mod_y, max_width); - - v4l_bound_align_image(&pix->width, 16, max_width, mod_x, + v4l_bound_align_image(&pix->width, 16, max_w, mod_x, &pix->height, 8, variant->pix_limit->scaler_dis_w, mod_y, 0); - pix->num_planes = fmt->memplanes; - pix->colorspace = V4L2_COLORSPACE_JPEG; - - - for (i = 0; i < pix->num_planes; ++i) { - u32 bpl = pix->plane_fmt[i].bytesperline; - u32 *sizeimage = &pix->plane_fmt[i].sizeimage; - - if (fmt->colplanes > 1 && (bpl == 0 || bpl < pix->width)) - bpl = pix->width; /* Planar */ - - 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. */ - mod_x = bpl; + fimc_adjust_mplane_format(fmt, pix->width, pix->height, &f->fmt.pix_mp); + return 0; +} - pix->plane_fmt[i].bytesperline = mod_x; - *sizeimage = (pix->width * pix->height * fmt->depth[i]) / 8; - } +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 0; + return fimc_try_fmt_mplane(ctx, f); } -static int fimc_m2m_s_fmt_mplane(struct file *file, void *priv, +static int fimc_m2m_s_fmt_mplane(struct file *file, void *fh, struct v4l2_format *f) { - struct fimc_ctx *ctx = priv; + struct fimc_ctx *ctx = fh_to_ctx(fh); struct fimc_dev *fimc = ctx->fimc_dev; struct vb2_queue *vq; struct fimc_frame *frame; struct v4l2_pix_format_mplane *pix; int i, ret = 0; - ret = fimc_vidioc_try_fmt_mplane(file, priv, f); + ret = fimc_try_fmt_mplane(ctx, f); if (ret) return ret; vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type); if (vb2_is_busy(vq)) { - v4l2_err(&fimc->m2m.v4l2_dev, "queue (%d) busy\n", f->type); + v4l2_err(fimc->m2m.vfd, "queue (%d) busy\n", f->type); return -EBUSY; } - if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { + if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) frame = &ctx->s_frame; - } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { + else frame = &ctx->d_frame; - } else { - v4l2_err(&fimc->m2m.v4l2_dev, - "Wrong buffer/video queue type (%d)\n", f->type); - return -EINVAL; - } pix = &f->fmt.pix_mp; - frame->fmt = find_format(f, FMT_FLAGS_M2M); + frame->fmt = fimc_find_format(&pix->pixelformat, NULL, + FMT_FLAGS_M2M, 0); if (!frame->fmt) return -EINVAL; @@ -986,15 +1097,9 @@ static int fimc_m2m_s_fmt_mplane(struct file *file, void *priv, (pix->width * pix->height * frame->fmt->depth[i]) / 8; } - frame->f_width = pix->plane_fmt[0].bytesperline * 8 / - frame->fmt->depth[0]; - frame->f_height = pix->height; - frame->width = pix->width; - frame->height = pix->height; - frame->o_width = pix->width; - frame->o_height = pix->height; - frame->offs_h = 0; - frame->offs_v = 0; + fimc_fill_frame(frame, f); + + ctx->scaler.enabled = 1; if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) fimc_ctx_state_lock_set(FIMC_PARAMS | FIMC_DST_FMT, ctx); @@ -1006,39 +1111,42 @@ static int fimc_m2m_s_fmt_mplane(struct file *file, void *priv, return 0; } -static int fimc_m2m_reqbufs(struct file *file, void *priv, - struct v4l2_requestbuffers *reqbufs) +static int fimc_m2m_reqbufs(struct file *file, void *fh, + struct v4l2_requestbuffers *reqbufs) { - struct fimc_ctx *ctx = priv; + struct fimc_ctx *ctx = fh_to_ctx(fh); + return v4l2_m2m_reqbufs(file, ctx->m2m_ctx, reqbufs); } -static int fimc_m2m_querybuf(struct file *file, void *priv, - struct v4l2_buffer *buf) +static int fimc_m2m_querybuf(struct file *file, void *fh, + struct v4l2_buffer *buf) { - struct fimc_ctx *ctx = priv; + struct fimc_ctx *ctx = fh_to_ctx(fh); + return v4l2_m2m_querybuf(file, ctx->m2m_ctx, buf); } -static int fimc_m2m_qbuf(struct file *file, void *priv, - struct v4l2_buffer *buf) +static int fimc_m2m_qbuf(struct file *file, void *fh, + struct v4l2_buffer *buf) { - struct fimc_ctx *ctx = priv; + struct fimc_ctx *ctx = fh_to_ctx(fh); return v4l2_m2m_qbuf(file, ctx->m2m_ctx, buf); } -static int fimc_m2m_dqbuf(struct file *file, void *priv, - struct v4l2_buffer *buf) +static int fimc_m2m_dqbuf(struct file *file, void *fh, + struct v4l2_buffer *buf) { - struct fimc_ctx *ctx = priv; + struct fimc_ctx *ctx = fh_to_ctx(fh); + return v4l2_m2m_dqbuf(file, ctx->m2m_ctx, buf); } -static int fimc_m2m_streamon(struct file *file, void *priv, - enum v4l2_buf_type type) +static int fimc_m2m_streamon(struct file *file, void *fh, + enum v4l2_buf_type type) { - struct fimc_ctx *ctx = priv; + struct fimc_ctx *ctx = fh_to_ctx(fh); /* The source and target color format need to be set */ if (V4L2_TYPE_IS_OUTPUT(type)) { @@ -1051,149 +1159,19 @@ static int fimc_m2m_streamon(struct file *file, void *priv, return v4l2_m2m_streamon(file, ctx->m2m_ctx, type); } -static int fimc_m2m_streamoff(struct file *file, void *priv, +static int fimc_m2m_streamoff(struct file *file, void *fh, enum v4l2_buf_type type) { - struct fimc_ctx *ctx = priv; - return v4l2_m2m_streamoff(file, ctx->m2m_ctx, type); -} - -int fimc_vidioc_queryctrl(struct file *file, void *priv, - struct v4l2_queryctrl *qc) -{ - struct fimc_ctx *ctx = priv; - struct v4l2_queryctrl *c; - int ret = -EINVAL; - - c = get_ctrl(qc->id); - if (c) { - *qc = *c; - return 0; - } - - if (fimc_ctx_state_is_set(FIMC_CTX_CAP, ctx)) { - return v4l2_subdev_call(ctx->fimc_dev->vid_cap.sd, - core, queryctrl, qc); - } - return ret; -} - -int fimc_vidioc_g_ctrl(struct file *file, void *priv, - struct v4l2_control *ctrl) -{ - struct fimc_ctx *ctx = priv; - struct fimc_dev *fimc = ctx->fimc_dev; + struct fimc_ctx *ctx = fh_to_ctx(fh); - switch (ctrl->id) { - case V4L2_CID_HFLIP: - ctrl->value = (FLIP_X_AXIS & ctx->flip) ? 1 : 0; - break; - case V4L2_CID_VFLIP: - ctrl->value = (FLIP_Y_AXIS & ctx->flip) ? 1 : 0; - break; - case V4L2_CID_ROTATE: - ctrl->value = ctx->rotation; - break; - default: - if (fimc_ctx_state_is_set(FIMC_CTX_CAP, ctx)) { - return v4l2_subdev_call(fimc->vid_cap.sd, core, - g_ctrl, ctrl); - } else { - v4l2_err(&fimc->m2m.v4l2_dev, "Invalid control\n"); - return -EINVAL; - } - } - dbg("ctrl->value= %d", ctrl->value); - - return 0; -} - -int check_ctrl_val(struct fimc_ctx *ctx, struct v4l2_control *ctrl) -{ - struct v4l2_queryctrl *c; - c = get_ctrl(ctrl->id); - if (!c) - return -EINVAL; - - if (ctrl->value < c->minimum || ctrl->value > c->maximum - || (c->step != 0 && ctrl->value % c->step != 0)) { - v4l2_err(&ctx->fimc_dev->m2m.v4l2_dev, - "Invalid control value\n"); - return -ERANGE; - } - - return 0; -} - -int fimc_s_ctrl(struct fimc_ctx *ctx, struct v4l2_control *ctrl) -{ - struct samsung_fimc_variant *variant = ctx->fimc_dev->variant; - struct fimc_dev *fimc = ctx->fimc_dev; - int ret = 0; - - switch (ctrl->id) { - case V4L2_CID_HFLIP: - if (ctrl->value) - ctx->flip |= FLIP_X_AXIS; - else - ctx->flip &= ~FLIP_X_AXIS; - break; - - case V4L2_CID_VFLIP: - if (ctrl->value) - ctx->flip |= FLIP_Y_AXIS; - else - ctx->flip &= ~FLIP_Y_AXIS; - break; - - case V4L2_CID_ROTATE: - if (fimc_ctx_state_is_set(FIMC_DST_FMT | FIMC_SRC_FMT, ctx)) { - ret = fimc_check_scaler_ratio(ctx->s_frame.width, - ctx->s_frame.height, ctx->d_frame.width, - ctx->d_frame.height, ctrl->value); - } - - if (ret) { - v4l2_err(&fimc->m2m.v4l2_dev, "Out of scaler range\n"); - return -EINVAL; - } - - /* Check for the output rotator availability */ - if ((ctrl->value == 90 || ctrl->value == 270) && - (ctx->in_path == FIMC_DMA && !variant->has_out_rot)) - return -EINVAL; - ctx->rotation = ctrl->value; - break; - - default: - v4l2_err(&fimc->m2m.v4l2_dev, "Invalid control\n"); - return -EINVAL; - } - - fimc_ctx_state_lock_set(FIMC_PARAMS, ctx); - - return 0; -} - -static int fimc_m2m_s_ctrl(struct file *file, void *priv, - struct v4l2_control *ctrl) -{ - struct fimc_ctx *ctx = priv; - int ret = 0; - - ret = check_ctrl_val(ctx, ctrl); - if (ret) - return ret; - - ret = fimc_s_ctrl(ctx, ctrl); - return 0; + return v4l2_m2m_streamoff(file, ctx->m2m_ctx, type); } static int fimc_m2m_cropcap(struct file *file, void *fh, - struct v4l2_cropcap *cr) + struct v4l2_cropcap *cr) { + struct fimc_ctx *ctx = fh_to_ctx(fh); struct fimc_frame *frame; - struct fimc_ctx *ctx = fh; frame = ctx_get_frame(ctx, cr->type); if (IS_ERR(frame)) @@ -1201,8 +1179,8 @@ static int fimc_m2m_cropcap(struct file *file, void *fh, cr->bounds.left = 0; cr->bounds.top = 0; - cr->bounds.width = frame->f_width; - cr->bounds.height = frame->f_height; + cr->bounds.width = frame->o_width; + cr->bounds.height = frame->o_height; cr->defrect = cr->bounds; return 0; @@ -1210,8 +1188,8 @@ static int fimc_m2m_cropcap(struct file *file, void *fh, static int fimc_m2m_g_crop(struct file *file, void *fh, struct v4l2_crop *cr) { + struct fimc_ctx *ctx = fh_to_ctx(fh); struct fimc_frame *frame; - struct fimc_ctx *ctx = file->private_data; frame = ctx_get_frame(ctx, cr->type); if (IS_ERR(frame)) @@ -1225,26 +1203,21 @@ static int fimc_m2m_g_crop(struct file *file, void *fh, struct v4l2_crop *cr) return 0; } -int fimc_try_crop(struct fimc_ctx *ctx, struct v4l2_crop *cr) +static int fimc_m2m_try_crop(struct fimc_ctx *ctx, struct v4l2_crop *cr) { struct fimc_dev *fimc = ctx->fimc_dev; struct fimc_frame *f; u32 min_size, halign, depth = 0; - bool is_capture_ctx; int i; if (cr->c.top < 0 || cr->c.left < 0) { - v4l2_err(&fimc->m2m.v4l2_dev, + v4l2_err(fimc->m2m.vfd, "doesn't support negative values for top & left\n"); return -EINVAL; } - - is_capture_ctx = fimc_ctx_state_is_set(FIMC_CTX_CAP, ctx); - if (cr->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) - f = is_capture_ctx ? &ctx->s_frame : &ctx->d_frame; - else if (cr->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && - !is_capture_ctx) + f = &ctx->d_frame; + else if (cr->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) f = &ctx->s_frame; else return -EINVAL; @@ -1253,15 +1226,10 @@ int fimc_try_crop(struct fimc_ctx *ctx, struct v4l2_crop *cr) fimc->variant->min_inp_pixsize : fimc->variant->min_out_pixsize; /* Get pixel alignment constraints. */ - if (is_capture_ctx) { - min_size = 16; - halign = 4; - } else { - if (fimc->id == 1 && fimc->variant->pix_hoff) - halign = fimc_fmt_is_rgb(f->fmt->color) ? 0 : 1; - else - halign = ffs(min_size) - 1; - } + if (fimc->id == 1 && fimc->variant->pix_hoff) + halign = fimc_fmt_is_rgb(f->fmt->color) ? 0 : 1; + else + halign = ffs(min_size) - 1; for (i = 0; i < f->fmt->colplanes; i++) depth += f->fmt->depth[i]; @@ -1278,7 +1246,7 @@ int fimc_try_crop(struct fimc_ctx *ctx, struct v4l2_crop *cr) cr->c.top = f->o_height - cr->c.height; cr->c.left = round_down(cr->c.left, min_size); - cr->c.top = round_down(cr->c.top, is_capture_ctx ? 16 : 8); + cr->c.top = round_down(cr->c.top, fimc->variant->hor_offs_align); dbg("l:%d, t:%d, w:%d, h:%d, f_w: %d, f_h: %d", cr->c.left, cr->c.top, cr->c.width, cr->c.height, @@ -1289,12 +1257,12 @@ int fimc_try_crop(struct fimc_ctx *ctx, struct v4l2_crop *cr) static int fimc_m2m_s_crop(struct file *file, void *fh, struct v4l2_crop *cr) { - struct fimc_ctx *ctx = file->private_data; + struct fimc_ctx *ctx = fh_to_ctx(fh); struct fimc_dev *fimc = ctx->fimc_dev; struct fimc_frame *f; int ret; - ret = fimc_try_crop(ctx, cr); + ret = fimc_m2m_try_crop(ctx, cr); if (ret) return ret; @@ -1304,18 +1272,16 @@ static int fimc_m2m_s_crop(struct file *file, void *fh, struct v4l2_crop *cr) /* 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(cr->c.width, cr->c.height, - ctx->d_frame.width, - ctx->d_frame.height, - ctx->rotation); + 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->s_frame.width, - ctx->s_frame.height, - cr->c.width, cr->c.height, - ctx->rotation); + 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.v4l2_dev, "Out of scaler range\n"); + v4l2_err(fimc->m2m.vfd, "Out of scaler range\n"); return -EINVAL; } } @@ -1333,14 +1299,14 @@ static int fimc_m2m_s_crop(struct file *file, void *fh, struct v4l2_crop *cr) static const struct v4l2_ioctl_ops fimc_m2m_ioctl_ops = { .vidioc_querycap = fimc_m2m_querycap, - .vidioc_enum_fmt_vid_cap_mplane = fimc_vidioc_enum_fmt_mplane, - .vidioc_enum_fmt_vid_out_mplane = fimc_vidioc_enum_fmt_mplane, + .vidioc_enum_fmt_vid_cap_mplane = fimc_m2m_enum_fmt_mplane, + .vidioc_enum_fmt_vid_out_mplane = fimc_m2m_enum_fmt_mplane, - .vidioc_g_fmt_vid_cap_mplane = fimc_vidioc_g_fmt_mplane, - .vidioc_g_fmt_vid_out_mplane = fimc_vidioc_g_fmt_mplane, + .vidioc_g_fmt_vid_cap_mplane = fimc_m2m_g_fmt_mplane, + .vidioc_g_fmt_vid_out_mplane = fimc_m2m_g_fmt_mplane, - .vidioc_try_fmt_vid_cap_mplane = fimc_vidioc_try_fmt_mplane, - .vidioc_try_fmt_vid_out_mplane = fimc_vidioc_try_fmt_mplane, + .vidioc_try_fmt_vid_cap_mplane = fimc_m2m_try_fmt_mplane, + .vidioc_try_fmt_vid_out_mplane = fimc_m2m_try_fmt_mplane, .vidioc_s_fmt_vid_cap_mplane = fimc_m2m_s_fmt_mplane, .vidioc_s_fmt_vid_out_mplane = fimc_m2m_s_fmt_mplane, @@ -1354,10 +1320,6 @@ static const struct v4l2_ioctl_ops fimc_m2m_ioctl_ops = { .vidioc_streamon = fimc_m2m_streamon, .vidioc_streamoff = fimc_m2m_streamoff, - .vidioc_queryctrl = fimc_vidioc_queryctrl, - .vidioc_g_ctrl = fimc_vidioc_g_ctrl, - .vidioc_s_ctrl = fimc_m2m_s_ctrl, - .vidioc_g_crop = fimc_m2m_g_crop, .vidioc_s_crop = fimc_m2m_s_crop, .vidioc_cropcap = fimc_m2m_cropcap @@ -1396,7 +1358,8 @@ static int queue_init(void *priv, struct vb2_queue *src_vq, static int fimc_m2m_open(struct file *file) { struct fimc_dev *fimc = video_drvdata(file); - struct fimc_ctx *ctx = NULL; + struct fimc_ctx *ctx; + int ret; dbg("pid: %d, state: 0x%lx, refcnt: %d", task_pid_nr(current), fimc->state, fimc->vid_cap.refcnt); @@ -1408,19 +1371,24 @@ static int fimc_m2m_open(struct file *file) if (fimc->vid_cap.refcnt > 0) return -EBUSY; - fimc->m2m.refcnt++; - set_bit(ST_OUTDMA_RUN, &fimc->state); - ctx = kzalloc(sizeof *ctx, GFP_KERNEL); if (!ctx) return -ENOMEM; + v4l2_fh_init(&ctx->fh, fimc->m2m.vfd); + ret = fimc_ctrls_create(ctx); + if (ret) + goto error_fh; + + /* Use separate control handler per file handle */ + ctx->fh.ctrl_handler = &ctx->ctrl_handler; + file->private_data = &ctx->fh; + v4l2_fh_add(&ctx->fh); - file->private_data = ctx; ctx->fimc_dev = fimc; /* Default color format */ ctx->s_frame.fmt = &fimc_formats[0]; ctx->d_frame.fmt = &fimc_formats[0]; - /* Setup the device context for mem2mem mode. */ + /* Setup the device context for memory-to-memory mode */ ctx->state = FIMC_CTX_M2M; ctx->flags = 0; ctx->in_path = FIMC_DMA; @@ -1429,34 +1397,46 @@ static int fimc_m2m_open(struct file *file) ctx->m2m_ctx = v4l2_m2m_ctx_init(fimc->m2m.m2m_dev, ctx, queue_init); if (IS_ERR(ctx->m2m_ctx)) { - int err = PTR_ERR(ctx->m2m_ctx); - kfree(ctx); - return err; + ret = PTR_ERR(ctx->m2m_ctx); + goto error_c; } + if (fimc->m2m.refcnt++ == 0) + set_bit(ST_M2M_RUN, &fimc->state); return 0; + +error_c: + fimc_ctrls_delete(ctx); +error_fh: + v4l2_fh_del(&ctx->fh); + v4l2_fh_exit(&ctx->fh); + kfree(ctx); + return ret; } static int fimc_m2m_release(struct file *file) { - struct fimc_ctx *ctx = file->private_data; + struct fimc_ctx *ctx = fh_to_ctx(file->private_data); struct fimc_dev *fimc = ctx->fimc_dev; dbg("pid: %d, state: 0x%lx, refcnt= %d", task_pid_nr(current), fimc->state, fimc->m2m.refcnt); v4l2_m2m_ctx_release(ctx->m2m_ctx); - kfree(ctx); - if (--fimc->m2m.refcnt <= 0) - clear_bit(ST_OUTDMA_RUN, &fimc->state); + fimc_ctrls_delete(ctx); + v4l2_fh_del(&ctx->fh); + v4l2_fh_exit(&ctx->fh); + if (--fimc->m2m.refcnt <= 0) + clear_bit(ST_M2M_RUN, &fimc->state); + kfree(ctx); return 0; } static unsigned int fimc_m2m_poll(struct file *file, - struct poll_table_struct *wait) + struct poll_table_struct *wait) { - struct fimc_ctx *ctx = file->private_data; + struct fimc_ctx *ctx = fh_to_ctx(file->private_data); return v4l2_m2m_poll(file, ctx->m2m_ctx, wait); } @@ -1464,7 +1444,7 @@ static unsigned int fimc_m2m_poll(struct file *file, static int fimc_m2m_mmap(struct file *file, struct vm_area_struct *vma) { - struct fimc_ctx *ctx = file->private_data; + struct fimc_ctx *ctx = fh_to_ctx(file->private_data); return v4l2_m2m_mmap(file, ctx->m2m_ctx, vma); } @@ -1483,92 +1463,73 @@ static struct v4l2_m2m_ops m2m_ops = { .job_abort = fimc_job_abort, }; -static int fimc_register_m2m_device(struct fimc_dev *fimc) +int fimc_register_m2m_device(struct fimc_dev *fimc, + struct v4l2_device *v4l2_dev) { struct video_device *vfd; struct platform_device *pdev; - struct v4l2_device *v4l2_dev; int ret = 0; if (!fimc) return -ENODEV; pdev = fimc->pdev; - v4l2_dev = &fimc->m2m.v4l2_dev; - - /* set name if it is empty */ - if (!v4l2_dev->name[0]) - snprintf(v4l2_dev->name, sizeof(v4l2_dev->name), - "%s.m2m", dev_name(&pdev->dev)); - - ret = v4l2_device_register(&pdev->dev, v4l2_dev); - if (ret) - goto err_m2m_r1; + fimc->v4l2_dev = v4l2_dev; vfd = video_device_alloc(); if (!vfd) { v4l2_err(v4l2_dev, "Failed to allocate video device\n"); - goto err_m2m_r1; + return -ENOMEM; } vfd->fops = &fimc_m2m_fops; vfd->ioctl_ops = &fimc_m2m_ioctl_ops; + vfd->v4l2_dev = v4l2_dev; vfd->minor = -1; vfd->release = video_device_release; vfd->lock = &fimc->lock; - snprintf(vfd->name, sizeof(vfd->name), "%s:m2m", dev_name(&pdev->dev)); - + snprintf(vfd->name, sizeof(vfd->name), "%s.m2m", dev_name(&pdev->dev)); video_set_drvdata(vfd, fimc); - platform_set_drvdata(pdev, fimc); fimc->m2m.vfd = vfd; fimc->m2m.m2m_dev = v4l2_m2m_init(&m2m_ops); if (IS_ERR(fimc->m2m.m2m_dev)) { v4l2_err(v4l2_dev, "failed to initialize v4l2-m2m device\n"); ret = PTR_ERR(fimc->m2m.m2m_dev); - goto err_m2m_r2; - } - - ret = video_register_device(vfd, VFL_TYPE_GRABBER, -1); - if (ret) { - v4l2_err(v4l2_dev, - "%s(): failed to register video device\n", __func__); - goto err_m2m_r3; + goto err_init; } - v4l2_info(v4l2_dev, - "FIMC m2m driver registered as /dev/video%d\n", vfd->num); - return 0; + ret = media_entity_init(&vfd->entity, 0, NULL, 0); + if (!ret) + return 0; -err_m2m_r3: v4l2_m2m_release(fimc->m2m.m2m_dev); -err_m2m_r2: +err_init: video_device_release(fimc->m2m.vfd); -err_m2m_r1: - v4l2_device_unregister(v4l2_dev); - return ret; } -static void fimc_unregister_m2m_device(struct fimc_dev *fimc) +void fimc_unregister_m2m_device(struct fimc_dev *fimc) { - if (fimc) { + if (!fimc) + return; + + if (fimc->m2m.m2m_dev) v4l2_m2m_release(fimc->m2m.m2m_dev); + if (fimc->m2m.vfd) { + media_entity_cleanup(&fimc->m2m.vfd->entity); + /* Can also be called if video device wasn't registered */ video_unregister_device(fimc->m2m.vfd); - - v4l2_device_unregister(&fimc->m2m.v4l2_dev); } } -static void fimc_clk_release(struct fimc_dev *fimc) +static void fimc_clk_put(struct fimc_dev *fimc) { int i; for (i = 0; i < fimc->num_clocks; i++) { - if (fimc->clock[i]) { - clk_disable(fimc->clock[i]); + if (fimc->clock[i]) clk_put(fimc->clock[i]); - } } } @@ -1577,15 +1538,50 @@ static int fimc_clk_get(struct fimc_dev *fimc) int i; for (i = 0; i < fimc->num_clocks; i++) { fimc->clock[i] = clk_get(&fimc->pdev->dev, fimc_clocks[i]); - - if (!IS_ERR_OR_NULL(fimc->clock[i])) { - clk_enable(fimc->clock[i]); + if (!IS_ERR_OR_NULL(fimc->clock[i])) continue; - } dev_err(&fimc->pdev->dev, "failed to get fimc clock: %s\n", fimc_clocks[i]); return -ENXIO; } + + return 0; +} + +static int fimc_m2m_suspend(struct fimc_dev *fimc) +{ + unsigned long flags; + int timeout; + + spin_lock_irqsave(&fimc->slock, flags); + if (!fimc_m2m_pending(fimc)) { + spin_unlock_irqrestore(&fimc->slock, flags); + return 0; + } + clear_bit(ST_M2M_SUSPENDED, &fimc->state); + set_bit(ST_M2M_SUSPENDING, &fimc->state); + spin_unlock_irqrestore(&fimc->slock, flags); + + timeout = wait_event_timeout(fimc->irq_queue, + test_bit(ST_M2M_SUSPENDED, &fimc->state), + FIMC_SHUTDOWN_TIMEOUT); + + clear_bit(ST_M2M_SUSPENDING, &fimc->state); + return timeout == 0 ? -EAGAIN : 0; +} + +static int fimc_m2m_resume(struct fimc_dev *fimc) +{ + unsigned long flags; + + spin_lock_irqsave(&fimc->slock, flags); + /* Clear for full H/W setup in first run after resume */ + fimc->m2m.ctx = NULL; + spin_unlock_irqrestore(&fimc->slock, flags); + + if (test_and_clear_bit(ST_M2M_SUSPENDED, &fimc->state)) + fimc_m2m_job_finish(fimc->m2m.ctx, + VB2_BUF_STATE_ERROR); return 0; } @@ -1596,7 +1592,6 @@ static int fimc_probe(struct platform_device *pdev) struct samsung_fimc_driverdata *drv_data; struct s5p_platform_fimc *pdata; int ret = 0; - int cap_input_index = -1; dev_dbg(&pdev->dev, "%s():\n", __func__); @@ -1614,15 +1609,16 @@ static int fimc_probe(struct platform_device *pdev) return -ENOMEM; fimc->id = pdev->id; + fimc->variant = drv_data->variant[fimc->id]; fimc->pdev = pdev; pdata = pdev->dev.platform_data; fimc->pdata = pdata; - fimc->state = ST_IDLE; + + set_bit(ST_LPM, &fimc->state); init_waitqueue_head(&fimc->irq_queue); spin_lock_init(&fimc->slock); - mutex_init(&fimc->lock); res = platform_get_resource(pdev, IORESOURCE_MEM, 0); @@ -1647,71 +1643,51 @@ static int fimc_probe(struct platform_device *pdev) goto err_req_region; } - fimc->num_clocks = MAX_FIMC_CLOCKS - 1; - - /* Check if a video capture node needs to be registered. */ - if (pdata && pdata->num_clients > 0) { - cap_input_index = 0; - fimc->num_clocks++; - } - - ret = fimc_clk_get(fimc); - if (ret) - goto err_regs_unmap; - clk_set_rate(fimc->clock[CLK_BUS], drv_data->lclk_frequency); - res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); if (!res) { dev_err(&pdev->dev, "failed to get IRQ resource\n"); ret = -ENXIO; - goto err_clk; + goto err_regs_unmap; } fimc->irq = res->start; - fimc_hw_reset(fimc); + fimc->num_clocks = MAX_FIMC_CLOCKS; + ret = fimc_clk_get(fimc); + if (ret) + goto err_regs_unmap; + clk_set_rate(fimc->clock[CLK_BUS], drv_data->lclk_frequency); + clk_enable(fimc->clock[CLK_BUS]); - ret = request_irq(fimc->irq, fimc_isr, 0, pdev->name, fimc); + platform_set_drvdata(pdev, fimc); + + ret = request_irq(fimc->irq, fimc_irq_handler, 0, pdev->name, fimc); if (ret) { dev_err(&pdev->dev, "failed to install irq (%d)\n", ret); goto err_clk; } + pm_runtime_enable(&pdev->dev); + ret = pm_runtime_get_sync(&pdev->dev); + if (ret < 0) + goto err_irq; /* Initialize contiguous memory allocator */ - fimc->alloc_ctx = vb2_dma_contig_init_ctx(&fimc->pdev->dev); + fimc->alloc_ctx = vb2_dma_contig_init_ctx(&pdev->dev); if (IS_ERR(fimc->alloc_ctx)) { ret = PTR_ERR(fimc->alloc_ctx); - goto err_irq; + goto err_pm; } - ret = fimc_register_m2m_device(fimc); - if (ret) - goto err_irq; - - /* At least one camera sensor is required to register capture node */ - if (cap_input_index >= 0) { - ret = fimc_register_capture_device(fimc); - if (ret) - goto err_m2m; - clk_disable(fimc->clock[CLK_CAM]); - } - /* - * Exclude the additional output DMA address registers by masking - * them out on HW revisions that provide extended capabilites. - */ - if (fimc->variant->out_buf_count > 4) - fimc_hw_set_dma_seq(fimc, 0xF); - - dev_dbg(&pdev->dev, "%s(): fimc-%d registered successfully\n", - __func__, fimc->id); + dev_dbg(&pdev->dev, "FIMC.%d registered successfully\n", fimc->id); + pm_runtime_put(&pdev->dev); return 0; -err_m2m: - fimc_unregister_m2m_device(fimc); +err_pm: + pm_runtime_put(&pdev->dev); err_irq: free_irq(fimc->irq, fimc); err_clk: - fimc_clk_release(fimc); + fimc_clk_put(fimc); err_regs_unmap: iounmap(fimc->regs); err_req_region: @@ -1719,31 +1695,105 @@ err_req_region: kfree(fimc->regs_res); err_info: kfree(fimc); + return ret; +} +static int fimc_runtime_resume(struct device *dev) +{ + struct fimc_dev *fimc = dev_get_drvdata(dev); + + dbg("fimc%d: state: 0x%lx", fimc->id, fimc->state); + + /* Enable clocks and perform basic initalization */ + clk_enable(fimc->clock[CLK_GATE]); + fimc_hw_reset(fimc); + if (fimc->variant->out_buf_count > 4) + fimc_hw_set_dma_seq(fimc, 0xF); + + /* Resume the capture or mem-to-mem device */ + if (fimc_capture_busy(fimc)) + return fimc_capture_resume(fimc); + else if (fimc_m2m_pending(fimc)) + return fimc_m2m_resume(fimc); + return 0; +} + +static int fimc_runtime_suspend(struct device *dev) +{ + struct fimc_dev *fimc = dev_get_drvdata(dev); + int ret = 0; + + if (fimc_capture_busy(fimc)) + ret = fimc_capture_suspend(fimc); + else + ret = fimc_m2m_suspend(fimc); + if (!ret) + clk_disable(fimc->clock[CLK_GATE]); + + dbg("fimc%d: state: 0x%lx", fimc->id, fimc->state); return ret; } -static int __devexit fimc_remove(struct platform_device *pdev) +#ifdef CONFIG_PM_SLEEP +static int fimc_resume(struct device *dev) { - struct fimc_dev *fimc = - (struct fimc_dev *)platform_get_drvdata(pdev); + struct fimc_dev *fimc = dev_get_drvdata(dev); + unsigned long flags; - free_irq(fimc->irq, fimc); + dbg("fimc%d: state: 0x%lx", fimc->id, fimc->state); + + /* Do not resume if the device was idle before system suspend */ + spin_lock_irqsave(&fimc->slock, flags); + if (!test_and_clear_bit(ST_LPM, &fimc->state) || + (!fimc_m2m_active(fimc) && !fimc_capture_busy(fimc))) { + spin_unlock_irqrestore(&fimc->slock, flags); + return 0; + } fimc_hw_reset(fimc); + if (fimc->variant->out_buf_count > 4) + fimc_hw_set_dma_seq(fimc, 0xF); + spin_unlock_irqrestore(&fimc->slock, flags); + + if (fimc_capture_busy(fimc)) + return fimc_capture_resume(fimc); - fimc_unregister_m2m_device(fimc); - fimc_unregister_capture_device(fimc); + return fimc_m2m_resume(fimc); +} + +static int fimc_suspend(struct device *dev) +{ + struct fimc_dev *fimc = dev_get_drvdata(dev); + + dbg("fimc%d: state: 0x%lx", fimc->id, fimc->state); - fimc_clk_release(fimc); + if (test_and_set_bit(ST_LPM, &fimc->state)) + return 0; + if (fimc_capture_busy(fimc)) + return fimc_capture_suspend(fimc); + + return fimc_m2m_suspend(fimc); +} +#endif /* CONFIG_PM_SLEEP */ + +static int __devexit fimc_remove(struct platform_device *pdev) +{ + struct fimc_dev *fimc = platform_get_drvdata(pdev); + + pm_runtime_disable(&pdev->dev); + fimc_runtime_suspend(&pdev->dev); + pm_runtime_set_suspended(&pdev->dev); vb2_dma_contig_cleanup_ctx(fimc->alloc_ctx); + clk_disable(fimc->clock[CLK_BUS]); + fimc_clk_put(fimc); + free_irq(fimc->irq, fimc); iounmap(fimc->regs); release_resource(fimc->regs_res); kfree(fimc->regs_res); kfree(fimc); - dev_info(&pdev->dev, "%s driver unloaded\n", pdev->name); + dev_info(&pdev->dev, "driver unloaded\n"); return 0; } @@ -1786,6 +1836,7 @@ static struct fimc_pix_limit s5p_pix_limit[4] = { static struct samsung_fimc_variant fimc0_variant_s5p = { .has_inp_rot = 1, .has_out_rot = 1, + .has_cam_if = 1, .min_inp_pixsize = 16, .min_out_pixsize = 16, .hor_offs_align = 8, @@ -1794,6 +1845,7 @@ static struct samsung_fimc_variant fimc0_variant_s5p = { }; static struct samsung_fimc_variant fimc2_variant_s5p = { + .has_cam_if = 1, .min_inp_pixsize = 16, .min_out_pixsize = 16, .hor_offs_align = 8, @@ -1805,6 +1857,7 @@ static struct samsung_fimc_variant fimc0_variant_s5pv210 = { .pix_hoff = 1, .has_inp_rot = 1, .has_out_rot = 1, + .has_cam_if = 1, .min_inp_pixsize = 16, .min_out_pixsize = 16, .hor_offs_align = 8, @@ -1816,6 +1869,7 @@ static struct samsung_fimc_variant fimc1_variant_s5pv210 = { .pix_hoff = 1, .has_inp_rot = 1, .has_out_rot = 1, + .has_cam_if = 1, .has_mainscaler_ext = 1, .min_inp_pixsize = 16, .min_out_pixsize = 16, @@ -1825,6 +1879,7 @@ static struct samsung_fimc_variant fimc1_variant_s5pv210 = { }; static struct samsung_fimc_variant fimc2_variant_s5pv210 = { + .has_cam_if = 1, .pix_hoff = 1, .min_inp_pixsize = 16, .min_out_pixsize = 16, @@ -1837,22 +1892,24 @@ static struct samsung_fimc_variant fimc0_variant_exynos4 = { .pix_hoff = 1, .has_inp_rot = 1, .has_out_rot = 1, + .has_cam_if = 1, .has_cistatus2 = 1, .has_mainscaler_ext = 1, .min_inp_pixsize = 16, .min_out_pixsize = 16, - .hor_offs_align = 1, + .hor_offs_align = 2, .out_buf_count = 32, .pix_limit = &s5p_pix_limit[1], }; -static struct samsung_fimc_variant fimc2_variant_exynos4 = { +static struct samsung_fimc_variant fimc3_variant_exynos4 = { .pix_hoff = 1, + .has_cam_if = 1, .has_cistatus2 = 1, .has_mainscaler_ext = 1, .min_inp_pixsize = 16, .min_out_pixsize = 16, - .hor_offs_align = 1, + .hor_offs_align = 2, .out_buf_count = 32, .pix_limit = &s5p_pix_limit[3], }; @@ -1885,7 +1942,7 @@ static struct samsung_fimc_driverdata fimc_drvdata_exynos4 = { [0] = &fimc0_variant_exynos4, [1] = &fimc0_variant_exynos4, [2] = &fimc0_variant_exynos4, - [3] = &fimc2_variant_exynos4, + [3] = &fimc3_variant_exynos4, }, .num_entities = 4, .lclk_frequency = 166000000UL, @@ -1906,33 +1963,28 @@ static struct platform_device_id fimc_driver_ids[] = { }; MODULE_DEVICE_TABLE(platform, fimc_driver_ids); +static const struct dev_pm_ops fimc_pm_ops = { + SET_SYSTEM_SLEEP_PM_OPS(fimc_suspend, fimc_resume) + SET_RUNTIME_PM_OPS(fimc_runtime_suspend, fimc_runtime_resume, NULL) +}; + static struct platform_driver fimc_driver = { .probe = fimc_probe, - .remove = __devexit_p(fimc_remove), + .remove = __devexit_p(fimc_remove), .id_table = fimc_driver_ids, .driver = { - .name = MODULE_NAME, + .name = FIMC_MODULE_NAME, .owner = THIS_MODULE, + .pm = &fimc_pm_ops, } }; -static int __init fimc_init(void) +int __init fimc_register_driver(void) { - int ret = platform_driver_register(&fimc_driver); - if (ret) - err("platform_driver_register failed: %d\n", ret); - return ret; + return platform_driver_probe(&fimc_driver, fimc_probe); } -static void __exit fimc_exit(void) +void __exit fimc_unregister_driver(void) { platform_driver_unregister(&fimc_driver); } - -module_init(fimc_init); -module_exit(fimc_exit); - -MODULE_AUTHOR("Sylwester Nawrocki <s.nawrocki@samsung.com>"); -MODULE_DESCRIPTION("S5P FIMC camera host interface/video postprocessor driver"); -MODULE_LICENSE("GPL"); -MODULE_VERSION("1.0.1"); |