diff options
Diffstat (limited to 'drivers/video')
115 files changed, 4438 insertions, 2979 deletions
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index 4c1546f71d5..ab5ba3d49e1 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -21,6 +21,8 @@ source "drivers/gpu/vga/Kconfig" source "drivers/gpu/drm/Kconfig" +source "drivers/gpu/host1x/Kconfig" + config VGASTATE tristate default n @@ -31,26 +33,8 @@ config VIDEO_OUTPUT_CONTROL This framework adds support for low-level control of the video output switch. -config DISPLAY_TIMING - bool - -config VIDEOMODE - bool - -config OF_DISPLAY_TIMING - bool "Enable device tree display timing support" - depends on OF - select DISPLAY_TIMING - help - helper to parse display timings from the devicetree - -config OF_VIDEOMODE - bool "Enable device tree videomode support" - depends on OF - select VIDEOMODE - select OF_DISPLAY_TIMING - help - helper to get videomodes from the devicetree +config VIDEOMODE_HELPERS + bool config HDMI bool @@ -212,14 +196,6 @@ config FB_SYS_FOPS depends on FB default n -config FB_WMT_GE_ROPS - tristate - depends on FB - default n - ---help--- - Include functions for accelerated rectangle filling and area - copying using WonderMedia Graphics Engine operations. - config FB_DEFERRED_IO bool depends on FB @@ -1797,22 +1773,37 @@ config FB_AU1200 option au1200fb:panel=<name>. config FB_VT8500 - bool "VT8500 LCD Driver" + bool "VIA VT8500 framebuffer support" depends on (FB = y) && ARM && ARCH_VT8500 - select FB_WMT_GE_ROPS + select FB_SYS_FILLRECT if (!FB_WMT_GE_ROPS) + select FB_SYS_COPYAREA if (!FB_WMT_GE_ROPS) select FB_SYS_IMAGEBLIT + select FB_MODE_HELPERS + select VIDEOMODE_HELPERS help This is the framebuffer driver for VIA VT8500 integrated LCD controller. config FB_WM8505 - bool "WM8505 frame buffer support" + bool "Wondermedia WM8xxx-series frame buffer support" depends on (FB = y) && ARM && ARCH_VT8500 - select FB_WMT_GE_ROPS + select FB_SYS_FILLRECT if (!FB_WMT_GE_ROPS) + select FB_SYS_COPYAREA if (!FB_WMT_GE_ROPS) select FB_SYS_IMAGEBLIT + select FB_MODE_HELPERS + select VIDEOMODE_HELPERS help - This is the framebuffer driver for WonderMedia WM8505/WM8650 - integrated LCD controller. + This is the framebuffer driver for WonderMedia WM8xxx-series + integrated LCD controller. This driver covers the WM8505, WM8650 + and WM8850 SoCs. + +config FB_WMT_GE_ROPS + bool "VT8500/WM8xxx accelerated raster ops support" + depends on (FB = y) && (FB_VT8500 || FB_WM8505) + default n + help + This adds support for accelerated raster operations on the + VIA VT8500 and Wondermedia 85xx series SoCs. source "drivers/video/geode/Kconfig" @@ -2277,7 +2268,7 @@ config XEN_FBDEV_FRONTEND select FB_SYS_IMAGEBLIT select FB_SYS_FOPS select FB_DEFERRED_IO - select INPUT_XEN_KBDDEV_FRONTEND + select INPUT_XEN_KBDDEV_FRONTEND if INPUT_MISC select XEN_XENBUS_FRONTEND default y help @@ -2451,6 +2442,15 @@ config FB_PUV3_UNIGFX Choose this option if you want to use the Unigfx device as a framebuffer device. Without the support of PCI & AGP. +config FB_HYPERV + tristate "Microsoft Hyper-V Synthetic Video support" + depends on FB && HYPERV + select FB_CFB_FILLRECT + select FB_CFB_COPYAREA + select FB_CFB_IMAGEBLIT + help + This framebuffer driver supports Microsoft Hyper-V Synthetic Video. + source "drivers/video/omap/Kconfig" source "drivers/video/omap2/Kconfig" source "drivers/video/exynos/Kconfig" diff --git a/drivers/video/Makefile b/drivers/video/Makefile index 9df387334cb..7234e4a959e 100644 --- a/drivers/video/Makefile +++ b/drivers/video/Makefile @@ -149,6 +149,7 @@ obj-$(CONFIG_FB_MSM) += msm/ obj-$(CONFIG_FB_NUC900) += nuc900fb.o obj-$(CONFIG_FB_JZ4740) += jz4740_fb.o obj-$(CONFIG_FB_PUV3_UNIGFX) += fb-puv3.o +obj-$(CONFIG_FB_HYPERV) += hyperv_fb.o # Platform or fallback drivers go here obj-$(CONFIG_FB_UVESA) += uvesafb.o @@ -171,7 +172,7 @@ obj-$(CONFIG_FB_VIRTUAL) += vfb.o #video output switch sysfs driver obj-$(CONFIG_VIDEO_OUTPUT_CONTROL) += output.o -obj-$(CONFIG_DISPLAY_TIMING) += display_timing.o -obj-$(CONFIG_OF_DISPLAY_TIMING) += of_display_timing.o -obj-$(CONFIG_VIDEOMODE) += videomode.o -obj-$(CONFIG_OF_VIDEOMODE) += of_videomode.o +obj-$(CONFIG_VIDEOMODE_HELPERS) += display_timing.o videomode.o +ifeq ($(CONFIG_OF),y) +obj-$(CONFIG_VIDEOMODE_HELPERS) += of_display_timing.o of_videomode.o +endif diff --git a/drivers/video/amifb.c b/drivers/video/amifb.c index 7fa1bf82372..a6780eecff0 100644 --- a/drivers/video/amifb.c +++ b/drivers/video/amifb.c @@ -1181,7 +1181,7 @@ static int ami_decode_var(struct fb_var_screeninfo *var, struct amifb_par *par, } /* - * FB_VMODE_SMOOTH_XPAN will be cleared, if one of the folloing + * FB_VMODE_SMOOTH_XPAN will be cleared, if one of the following * checks failed and smooth scrolling is not possible */ @@ -3788,19 +3788,7 @@ static struct platform_driver amifb_driver = { }, }; -static int __init amifb_init(void) -{ - return platform_driver_probe(&amifb_driver, amifb_probe); -} - -module_init(amifb_init); - -static void __exit amifb_exit(void) -{ - platform_driver_unregister(&amifb_driver); -} - -module_exit(amifb_exit); +module_platform_driver_probe(amifb_driver, amifb_probe); MODULE_LICENSE("GPL"); MODULE_ALIAS("platform:amiga-video"); diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c index 12cf5f31ee8..540909de624 100644 --- a/drivers/video/atmel_lcdfb.c +++ b/drivers/video/atmel_lcdfb.c @@ -34,6 +34,77 @@ #define ATMEL_LCDC_DMA_BURST_LEN 8 /* words */ #define ATMEL_LCDC_FIFO_SIZE 512 /* words */ +struct atmel_lcdfb_config { + bool have_alt_pixclock; + bool have_hozval; + bool have_intensity_bit; +}; + +static struct atmel_lcdfb_config at91sam9261_config = { + .have_hozval = true, + .have_intensity_bit = true, +}; + +static struct atmel_lcdfb_config at91sam9263_config = { + .have_intensity_bit = true, +}; + +static struct atmel_lcdfb_config at91sam9g10_config = { + .have_hozval = true, +}; + +static struct atmel_lcdfb_config at91sam9g45_config = { + .have_alt_pixclock = true, +}; + +static struct atmel_lcdfb_config at91sam9g45es_config = { +}; + +static struct atmel_lcdfb_config at91sam9rl_config = { + .have_intensity_bit = true, +}; + +static struct atmel_lcdfb_config at32ap_config = { + .have_hozval = true, +}; + +static const struct platform_device_id atmel_lcdfb_devtypes[] = { + { + .name = "at91sam9261-lcdfb", + .driver_data = (unsigned long)&at91sam9261_config, + }, { + .name = "at91sam9263-lcdfb", + .driver_data = (unsigned long)&at91sam9263_config, + }, { + .name = "at91sam9g10-lcdfb", + .driver_data = (unsigned long)&at91sam9g10_config, + }, { + .name = "at91sam9g45-lcdfb", + .driver_data = (unsigned long)&at91sam9g45_config, + }, { + .name = "at91sam9g45es-lcdfb", + .driver_data = (unsigned long)&at91sam9g45es_config, + }, { + .name = "at91sam9rl-lcdfb", + .driver_data = (unsigned long)&at91sam9rl_config, + }, { + .name = "at32ap-lcdfb", + .driver_data = (unsigned long)&at32ap_config, + }, { + /* terminator */ + } +}; + +static struct atmel_lcdfb_config * +atmel_lcdfb_get_config(struct platform_device *pdev) +{ + unsigned long data; + + data = platform_get_device_id(pdev)->driver_data; + + return (struct atmel_lcdfb_config *)data; +} + #if defined(CONFIG_ARCH_AT91) #define ATMEL_LCDFB_FBINFO_DEFAULT (FBINFO_DEFAULT \ | FBINFO_PARTIAL_PAN_OK \ @@ -193,14 +264,16 @@ static struct fb_fix_screeninfo atmel_lcdfb_fix __initdata = { .accel = FB_ACCEL_NONE, }; -static unsigned long compute_hozval(unsigned long xres, unsigned long lcdcon2) +static unsigned long compute_hozval(struct atmel_lcdfb_info *sinfo, + unsigned long xres) { + unsigned long lcdcon2; unsigned long value; - if (!(cpu_is_at91sam9261() || cpu_is_at91sam9g10() - || cpu_is_at32ap7000())) + if (!sinfo->config->have_hozval) return xres; + lcdcon2 = lcdc_readl(sinfo, ATMEL_LCDC_LCDCON2); value = xres; if ((lcdcon2 & ATMEL_LCDC_DISTYPE) != ATMEL_LCDC_DISTYPE_TFT) { /* STN display */ @@ -422,17 +495,22 @@ static int atmel_lcdfb_check_var(struct fb_var_screeninfo *var, = var->bits_per_pixel; break; case 16: + /* Older SOCs use IBGR:555 rather than BGR:565. */ + if (sinfo->config->have_intensity_bit) + var->green.length = 5; + else + var->green.length = 6; + if (sinfo->lcd_wiring_mode == ATMEL_LCDC_WIRING_RGB) { - /* RGB:565 mode */ - var->red.offset = 11; + /* RGB:5X5 mode */ + var->red.offset = var->green.length + 5; var->blue.offset = 0; } else { - /* BGR:565 mode */ + /* BGR:5X5 mode */ var->red.offset = 0; - var->blue.offset = 11; + var->blue.offset = var->green.length + 5; } var->green.offset = 5; - var->green.length = 6; var->red.length = var->blue.length = 5; break; case 32: @@ -526,7 +604,7 @@ static int atmel_lcdfb_set_par(struct fb_info *info) /* Now, the LCDC core... */ /* Set pixel clock */ - if (cpu_is_at91sam9g45() && !cpu_is_at91sam9g45es()) + if (sinfo->config->have_alt_pixclock) pix_factor = 1; clk_value_khz = clk_get_rate(sinfo->lcdc_clk) / 1000; @@ -586,8 +664,7 @@ static int atmel_lcdfb_set_par(struct fb_info *info) lcdc_writel(sinfo, ATMEL_LCDC_TIM2, value); /* Horizontal value (aka line size) */ - hozval_linesz = compute_hozval(info->var.xres, - lcdc_readl(sinfo, ATMEL_LCDC_LCDCON2)); + hozval_linesz = compute_hozval(sinfo, info->var.xres); /* Display size */ value = (hozval_linesz - 1) << ATMEL_LCDC_HOZVAL_OFFSET; @@ -679,8 +756,7 @@ static int atmel_lcdfb_setcolreg(unsigned int regno, unsigned int red, case FB_VISUAL_PSEUDOCOLOR: if (regno < 256) { - if (cpu_is_at91sam9261() || cpu_is_at91sam9263() - || cpu_is_at91sam9rl()) { + if (sinfo->config->have_intensity_bit) { /* old style I+BGR:555 */ val = ((red >> 11) & 0x001f); val |= ((green >> 6) & 0x03e0); @@ -817,15 +893,13 @@ static int __init atmel_lcdfb_init_fbinfo(struct atmel_lcdfb_info *sinfo) static void atmel_lcdfb_start_clock(struct atmel_lcdfb_info *sinfo) { - if (sinfo->bus_clk) - clk_enable(sinfo->bus_clk); + clk_enable(sinfo->bus_clk); clk_enable(sinfo->lcdc_clk); } static void atmel_lcdfb_stop_clock(struct atmel_lcdfb_info *sinfo) { - if (sinfo->bus_clk) - clk_disable(sinfo->bus_clk); + clk_disable(sinfo->bus_clk); clk_disable(sinfo->lcdc_clk); } @@ -870,6 +944,9 @@ static int __init atmel_lcdfb_probe(struct platform_device *pdev) } sinfo->info = info; sinfo->pdev = pdev; + sinfo->config = atmel_lcdfb_get_config(pdev); + if (!sinfo->config) + goto free_info; strcpy(info->fix.id, sinfo->pdev->name); info->flags = ATMEL_LCDFB_FBINFO_DEFAULT; @@ -880,13 +957,10 @@ static int __init atmel_lcdfb_probe(struct platform_device *pdev) info->fix = atmel_lcdfb_fix; /* Enable LCDC Clocks */ - if (cpu_is_at91sam9261() || cpu_is_at91sam9g10() - || cpu_is_at32ap7000()) { - sinfo->bus_clk = clk_get(dev, "hck1"); - if (IS_ERR(sinfo->bus_clk)) { - ret = PTR_ERR(sinfo->bus_clk); - goto free_info; - } + sinfo->bus_clk = clk_get(dev, "hclk"); + if (IS_ERR(sinfo->bus_clk)) { + ret = PTR_ERR(sinfo->bus_clk); + goto free_info; } sinfo->lcdc_clk = clk_get(dev, "lcdc_clk"); if (IS_ERR(sinfo->lcdc_clk)) { @@ -1047,8 +1121,7 @@ stop_clk: atmel_lcdfb_stop_clock(sinfo); clk_put(sinfo->lcdc_clk); put_bus_clk: - if (sinfo->bus_clk) - clk_put(sinfo->bus_clk); + clk_put(sinfo->bus_clk); free_info: framebuffer_release(info); out: @@ -1073,8 +1146,7 @@ static int __exit atmel_lcdfb_remove(struct platform_device *pdev) unregister_framebuffer(info); atmel_lcdfb_stop_clock(sinfo); clk_put(sinfo->lcdc_clk); - if (sinfo->bus_clk) - clk_put(sinfo->bus_clk); + clk_put(sinfo->bus_clk); fb_dealloc_cmap(&info->cmap); free_irq(sinfo->irq_base, info); iounmap(sinfo->mmio); @@ -1143,25 +1215,14 @@ static struct platform_driver atmel_lcdfb_driver = { .remove = __exit_p(atmel_lcdfb_remove), .suspend = atmel_lcdfb_suspend, .resume = atmel_lcdfb_resume, - + .id_table = atmel_lcdfb_devtypes, .driver = { .name = "atmel_lcdfb", .owner = THIS_MODULE, }, }; -static int __init atmel_lcdfb_init(void) -{ - return platform_driver_probe(&atmel_lcdfb_driver, atmel_lcdfb_probe); -} - -static void __exit atmel_lcdfb_exit(void) -{ - platform_driver_unregister(&atmel_lcdfb_driver); -} - -module_init(atmel_lcdfb_init); -module_exit(atmel_lcdfb_exit); +module_platform_driver_probe(atmel_lcdfb_driver, atmel_lcdfb_probe); MODULE_DESCRIPTION("AT91/AT32 LCD Controller framebuffer driver"); MODULE_AUTHOR("Nicolas Ferre <nicolas.ferre@atmel.com>"); diff --git a/drivers/video/auo_k1900fb.c b/drivers/video/auo_k1900fb.c index 1a9ac6e1f4b..f5b668e77af 100644 --- a/drivers/video/auo_k1900fb.c +++ b/drivers/video/auo_k1900fb.c @@ -60,9 +60,12 @@ static void auok1900_init(struct auok190xfb_par *par) { + struct device *dev = par->info->device; struct auok190x_board *board = par->board; u16 init_param = 0; + pm_runtime_get_sync(dev); + init_param |= AUOK1900_INIT_TEMP_AVERAGE; init_param |= AUOK1900_INIT_ROTATE(par->rotation); init_param |= AUOK190X_INIT_INVERSE_WHITE; @@ -74,6 +77,9 @@ static void auok1900_init(struct auok190xfb_par *par) /* let the controller finish */ board->wait_for_rdy(par); + + pm_runtime_mark_last_busy(dev); + pm_runtime_put_autosuspend(dev); } static void auok1900_update_region(struct auok190xfb_par *par, int mode, @@ -82,6 +88,7 @@ static void auok1900_update_region(struct auok190xfb_par *par, int mode, struct device *dev = par->info->device; unsigned char *buf = (unsigned char *)par->info->screen_base; int xres = par->info->var.xres; + int line_length = par->info->fix.line_length; u16 args[4]; pm_runtime_get_sync(dev); @@ -100,9 +107,9 @@ static void auok1900_update_region(struct auok190xfb_par *par, int mode, args[1] = y1 + 1; args[2] = xres; args[3] = y2 - y1; - buf += y1 * xres; + buf += y1 * line_length; auok190x_send_cmdargs_pixels(par, AUOK1900_CMD_PARTIALDISP, 4, args, - ((y2 - y1) * xres)/2, (u16 *) buf); + ((y2 - y1) * line_length)/2, (u16 *) buf); auok190x_send_command(par, AUOK190X_CMD_DATA_STOP); par->update_cnt++; diff --git a/drivers/video/auo_k1901fb.c b/drivers/video/auo_k1901fb.c index d1db1653cd8..12b9adcb75c 100644 --- a/drivers/video/auo_k1901fb.c +++ b/drivers/video/auo_k1901fb.c @@ -101,9 +101,12 @@ static void auok1901_init(struct auok190xfb_par *par) { + struct device *dev = par->info->device; struct auok190x_board *board = par->board; u16 init_param = 0; + pm_runtime_get_sync(dev); + init_param |= AUOK190X_INIT_INVERSE_WHITE; init_param |= AUOK190X_INIT_FORMAT0; init_param |= AUOK1901_INIT_RESOLUTION(par->resolution); @@ -113,6 +116,9 @@ static void auok1901_init(struct auok190xfb_par *par) /* let the controller finish */ board->wait_for_rdy(par); + + pm_runtime_mark_last_busy(dev); + pm_runtime_put_autosuspend(dev); } static void auok1901_update_region(struct auok190xfb_par *par, int mode, @@ -121,6 +127,7 @@ static void auok1901_update_region(struct auok190xfb_par *par, int mode, struct device *dev = par->info->device; unsigned char *buf = (unsigned char *)par->info->screen_base; int xres = par->info->var.xres; + int line_length = par->info->fix.line_length; u16 args[5]; pm_runtime_get_sync(dev); @@ -139,9 +146,9 @@ static void auok1901_update_region(struct auok190xfb_par *par, int mode, args[1] = y1 + 1; args[2] = xres; args[3] = y2 - y1; - buf += y1 * xres; + buf += y1 * line_length; auok190x_send_cmdargs_pixels_nowait(par, AUOK1901_CMD_DMA_START, 4, - args, ((y2 - y1) * xres)/2, + args, ((y2 - y1) * line_length)/2, (u16 *) buf); auok190x_send_command_nowait(par, AUOK190X_CMD_DATA_STOP); diff --git a/drivers/video/auo_k190x.c b/drivers/video/auo_k190x.c index 53846cb534d..8d2499d1caf 100644 --- a/drivers/video/auo_k190x.c +++ b/drivers/video/auo_k190x.c @@ -40,6 +40,14 @@ static struct panel_info panel_table[] = { .w = 1024, .h = 768, }, + [AUOK190X_RESOLUTION_600_800] = { + .w = 600, + .h = 800, + }, + [AUOK190X_RESOLUTION_768_1024] = { + .w = 768, + .h = 1024, + }, }; /* @@ -60,8 +68,48 @@ static void auok190x_issue_cmd(struct auok190xfb_par *par, u16 data) par->board->set_ctl(par, AUOK190X_I80_DC, 1); } -static int auok190x_issue_pixels(struct auok190xfb_par *par, int size, - u16 *data) +/** + * Conversion of 16bit color to 4bit grayscale + * does roughly (0.3 * R + 0.6 G + 0.1 B) / 2 + */ +static inline int rgb565_to_gray4(u16 data, struct fb_var_screeninfo *var) +{ + return ((((data & 0xF800) >> var->red.offset) * 77 + + ((data & 0x07E0) >> (var->green.offset + 1)) * 151 + + ((data & 0x1F) >> var->blue.offset) * 28) >> 8 >> 1); +} + +static int auok190x_issue_pixels_rgb565(struct auok190xfb_par *par, int size, + u16 *data) +{ + struct fb_var_screeninfo *var = &par->info->var; + struct device *dev = par->info->device; + int i; + u16 tmp; + + if (size & 7) { + dev_err(dev, "issue_pixels: size %d must be a multiple of 8\n", + size); + return -EINVAL; + } + + for (i = 0; i < (size >> 2); i++) { + par->board->set_ctl(par, AUOK190X_I80_WR, 0); + + tmp = (rgb565_to_gray4(data[4*i], var) & 0x000F); + tmp |= (rgb565_to_gray4(data[4*i+1], var) << 4) & 0x00F0; + tmp |= (rgb565_to_gray4(data[4*i+2], var) << 8) & 0x0F00; + tmp |= (rgb565_to_gray4(data[4*i+3], var) << 12) & 0xF000; + + par->board->set_hdb(par, tmp); + par->board->set_ctl(par, AUOK190X_I80_WR, 1); + } + + return 0; +} + +static int auok190x_issue_pixels_gray8(struct auok190xfb_par *par, int size, + u16 *data) { struct device *dev = par->info->device; int i; @@ -91,6 +139,23 @@ static int auok190x_issue_pixels(struct auok190xfb_par *par, int size, return 0; } +static int auok190x_issue_pixels(struct auok190xfb_par *par, int size, + u16 *data) +{ + struct fb_info *info = par->info; + struct device *dev = par->info->device; + + if (info->var.bits_per_pixel == 8 && info->var.grayscale) + auok190x_issue_pixels_gray8(par, size, data); + else if (info->var.bits_per_pixel == 16) + auok190x_issue_pixels_rgb565(par, size, data); + else + dev_err(dev, "unsupported color mode (bits: %d, gray: %d)\n", + info->var.bits_per_pixel, info->var.grayscale); + + return 0; +} + static u16 auok190x_read_data(struct auok190xfb_par *par) { u16 data; @@ -224,8 +289,8 @@ static void auok190xfb_dpy_deferred_io(struct fb_info *info, { struct fb_deferred_io *fbdefio = info->fbdefio; struct auok190xfb_par *par = info->par; + u16 line_length = info->fix.line_length; u16 yres = info->var.yres; - u16 xres = info->var.xres; u16 y1 = 0, h = 0; int prev_index = -1; struct page *cur; @@ -254,7 +319,7 @@ static void auok190xfb_dpy_deferred_io(struct fb_info *info, } /* height increment is fixed per page */ - h_inc = DIV_ROUND_UP(PAGE_SIZE , xres); + h_inc = DIV_ROUND_UP(PAGE_SIZE , line_length); /* calculate number of pages from pixel height */ threshold = par->consecutive_threshold / h_inc; @@ -265,7 +330,7 @@ static void auok190xfb_dpy_deferred_io(struct fb_info *info, list_for_each_entry(cur, &fbdefio->pagelist, lru) { if (prev_index < 0) { /* just starting so assign first page */ - y1 = (cur->index << PAGE_SHIFT) / xres; + y1 = (cur->index << PAGE_SHIFT) / line_length; h = h_inc; } else if ((cur->index - prev_index) <= threshold) { /* page is within our threshold for single updates */ @@ -275,7 +340,7 @@ static void auok190xfb_dpy_deferred_io(struct fb_info *info, par->update_partial(par, y1, y1 + h); /* start over with our non consecutive page */ - y1 = (cur->index << PAGE_SHIFT) / xres; + y1 = (cur->index << PAGE_SHIFT) / line_length; h = h_inc; } prev_index = cur->index; @@ -376,27 +441,127 @@ static void auok190xfb_imageblit(struct fb_info *info, static int auok190xfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) { - if (info->var.xres != var->xres || info->var.yres != var->yres || - info->var.xres_virtual != var->xres_virtual || - info->var.yres_virtual != var->yres_virtual) { - pr_info("%s: Resolution not supported: X%u x Y%u\n", - __func__, var->xres, var->yres); + struct device *dev = info->device; + struct auok190xfb_par *par = info->par; + struct panel_info *panel = &panel_table[par->resolution]; + int size; + + /* + * Color depth + */ + + if (var->bits_per_pixel == 8 && var->grayscale == 1) { + /* + * For 8-bit grayscale, R, G, and B offset are equal. + */ + var->red.length = 8; + var->red.offset = 0; + var->red.msb_right = 0; + + var->green.length = 8; + var->green.offset = 0; + var->green.msb_right = 0; + + var->blue.length = 8; + var->blue.offset = 0; + var->blue.msb_right = 0; + + var->transp.length = 0; + var->transp.offset = 0; + var->transp.msb_right = 0; + } else if (var->bits_per_pixel == 16) { + var->red.length = 5; + var->red.offset = 11; + var->red.msb_right = 0; + + var->green.length = 6; + var->green.offset = 5; + var->green.msb_right = 0; + + var->blue.length = 5; + var->blue.offset = 0; + var->blue.msb_right = 0; + + var->transp.length = 0; + var->transp.offset = 0; + var->transp.msb_right = 0; + } else { + dev_warn(dev, "unsupported color mode (bits: %d, grayscale: %d)\n", + info->var.bits_per_pixel, info->var.grayscale); return -EINVAL; } /* + * Dimensions + */ + + switch (var->rotate) { + case FB_ROTATE_UR: + case FB_ROTATE_UD: + var->xres = panel->w; + var->yres = panel->h; + break; + case FB_ROTATE_CW: + case FB_ROTATE_CCW: + var->xres = panel->h; + var->yres = panel->w; + break; + default: + dev_dbg(dev, "Invalid rotation request\n"); + return -EINVAL; + } + + var->xres_virtual = var->xres; + var->yres_virtual = var->yres; + + /* * Memory limit */ - if ((info->fix.line_length * var->yres_virtual) > info->fix.smem_len) { - pr_info("%s: Memory Limit requested yres_virtual = %u\n", - __func__, var->yres_virtual); + size = var->xres_virtual * var->yres_virtual * var->bits_per_pixel / 8; + if (size > info->fix.smem_len) { + dev_err(dev, "Memory limit exceeded, requested %dK\n", + size >> 10); return -ENOMEM; } return 0; } +static int auok190xfb_set_fix(struct fb_info *info) +{ + struct fb_fix_screeninfo *fix = &info->fix; + struct fb_var_screeninfo *var = &info->var; + + fix->line_length = var->xres_virtual * var->bits_per_pixel / 8; + + fix->type = FB_TYPE_PACKED_PIXELS; + fix->accel = FB_ACCEL_NONE; + fix->visual = (var->grayscale) ? FB_VISUAL_STATIC_PSEUDOCOLOR + : FB_VISUAL_TRUECOLOR; + fix->xpanstep = 0; + fix->ypanstep = 0; + fix->ywrapstep = 0; + + return 0; +} + +static int auok190xfb_set_par(struct fb_info *info) +{ + struct auok190xfb_par *par = info->par; + + par->rotation = info->var.rotate; + auok190xfb_set_fix(info); + + /* reinit the controller to honor the rotation */ + par->init(par); + + /* wait for init to complete */ + par->board->wait_for_rdy(par); + + return 0; +} + static struct fb_ops auok190xfb_ops = { .owner = THIS_MODULE, .fb_read = fb_sys_read, @@ -405,6 +570,7 @@ static struct fb_ops auok190xfb_ops = { .fb_copyarea = auok190xfb_copyarea, .fb_imageblit = auok190xfb_imageblit, .fb_check_var = auok190xfb_check_var, + .fb_set_par = auok190xfb_set_par, }; /* @@ -588,10 +754,16 @@ static int auok190x_power(struct auok190xfb_par *par, bool on) static void auok190x_recover(struct auok190xfb_par *par) { + struct device *dev = par->info->device; + auok190x_power(par, 0); msleep(100); auok190x_power(par, 1); + /* after powercycling the device, it's always active */ + pm_runtime_set_active(dev); + par->standby = 0; + par->init(par); /* wait for init to complete */ @@ -875,42 +1047,17 @@ int auok190x_common_probe(struct platform_device *pdev, /* initialise fix, var, resolution and rotation */ strlcpy(info->fix.id, init->id, 16); - info->fix.type = FB_TYPE_PACKED_PIXELS; - info->fix.visual = FB_VISUAL_STATIC_PSEUDOCOLOR; - info->fix.xpanstep = 0; - info->fix.ypanstep = 0; - info->fix.ywrapstep = 0; - info->fix.accel = FB_ACCEL_NONE; - info->var.bits_per_pixel = 8; info->var.grayscale = 1; - info->var.red.length = 8; - info->var.green.length = 8; - info->var.blue.length = 8; panel = &panel_table[board->resolution]; - /* if 90 degree rotation, switch width and height */ - if (board->rotation & 1) { - info->var.xres = panel->h; - info->var.yres = panel->w; - info->var.xres_virtual = panel->h; - info->var.yres_virtual = panel->w; - info->fix.line_length = panel->h; - } else { - info->var.xres = panel->w; - info->var.yres = panel->h; - info->var.xres_virtual = panel->w; - info->var.yres_virtual = panel->h; - info->fix.line_length = panel->w; - } - par->resolution = board->resolution; - par->rotation = board->rotation; + par->rotation = 0; /* videomemory handling */ - videomemorysize = roundup((panel->w * panel->h), PAGE_SIZE); + videomemorysize = roundup((panel->w * panel->h) * 2, PAGE_SIZE); videomemory = vmalloc(videomemorysize); if (!videomemory) { ret = -ENOMEM; @@ -924,6 +1071,12 @@ int auok190x_common_probe(struct platform_device *pdev, info->flags = FBINFO_FLAG_DEFAULT | FBINFO_VIRTFB; info->fbops = &auok190xfb_ops; + ret = auok190xfb_check_var(&info->var, info); + if (ret) + goto err_defio; + + auok190xfb_set_fix(info); + /* deferred io init */ info->fbdefio = devm_kzalloc(info->device, @@ -935,7 +1088,7 @@ int auok190x_common_probe(struct platform_device *pdev, goto err_defio; } - dev_dbg(info->device, "targetting %d frames per second\n", board->fps); + dev_dbg(info->device, "targeting %d frames per second\n", board->fps); info->fbdefio->delay = HZ / board->fps; info->fbdefio->first_io = auok190xfb_dpy_first_io, info->fbdefio->deferred_io = auok190xfb_dpy_deferred_io, diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig index db10d0120d2..2e166c3fc4c 100644 --- a/drivers/video/backlight/Kconfig +++ b/drivers/video/backlight/Kconfig @@ -59,6 +59,13 @@ config LCD_LTV350QV The LTV350QV panel is present on all ATSTK1000 boards. +config LCD_ILI922X + tristate "ILI Technology ILI9221/ILI9222 support" + depends on SPI + help + If you have a panel based on the ILI9221/9222 controller + chip then say y to include a driver for it. + config LCD_ILI9320 tristate "ILI Technology ILI9320 controller support" depends on SPI @@ -161,7 +168,7 @@ if BACKLIGHT_CLASS_DEVICE config BACKLIGHT_ATMEL_LCDC bool "Atmel LCDC Contrast-as-Backlight control" depends on FB_ATMEL - default y if MACH_SAM9261EK || MACH_SAM9G10EK || MACH_SAM9263EK + default y if MACH_AT91SAM9261EK || MACH_AT91SAM9G10EK || MACH_AT91SAM9263EK help This provides a backlight control internal to the Atmel LCDC driver. If the LCD "contrast control" on your board is wired diff --git a/drivers/video/backlight/Makefile b/drivers/video/backlight/Makefile index 96c4d620c5c..92711fe6046 100644 --- a/drivers/video/backlight/Makefile +++ b/drivers/video/backlight/Makefile @@ -5,6 +5,7 @@ obj-$(CONFIG_LCD_CLASS_DEVICE) += lcd.o obj-$(CONFIG_LCD_CORGI) += corgi_lcd.o obj-$(CONFIG_LCD_HP700) += jornada720_lcd.o obj-$(CONFIG_LCD_HX8357) += hx8357.o +obj-$(CONFIG_LCD_ILI922X) += ili922x.o obj-$(CONFIG_LCD_ILI9320) += ili9320.o obj-$(CONFIG_LCD_L4F00242T03) += l4f00242t03.o obj-$(CONFIG_LCD_LD9040) += ld9040.o diff --git a/drivers/video/backlight/adp5520_bl.c b/drivers/video/backlight/adp5520_bl.c index a1e41d4faa7..c84701b7ca6 100644 --- a/drivers/video/backlight/adp5520_bl.c +++ b/drivers/video/backlight/adp5520_bl.c @@ -143,13 +143,16 @@ static int adp5520_bl_setup(struct backlight_device *bl) static ssize_t adp5520_show(struct device *dev, char *buf, int reg) { struct adp5520_bl *data = dev_get_drvdata(dev); - int error; + int ret; uint8_t reg_val; mutex_lock(&data->lock); - error = adp5520_read(data->master, reg, ®_val); + ret = adp5520_read(data->master, reg, ®_val); mutex_unlock(&data->lock); + if (ret < 0) + return ret; + return sprintf(buf, "%u\n", reg_val); } @@ -349,35 +352,34 @@ static int adp5520_bl_remove(struct platform_device *pdev) return 0; } -#ifdef CONFIG_PM -static int adp5520_bl_suspend(struct platform_device *pdev, - pm_message_t state) +#ifdef CONFIG_PM_SLEEP +static int adp5520_bl_suspend(struct device *dev) { - struct backlight_device *bl = platform_get_drvdata(pdev); + struct backlight_device *bl = dev_get_drvdata(dev); + return adp5520_bl_set(bl, 0); } -static int adp5520_bl_resume(struct platform_device *pdev) +static int adp5520_bl_resume(struct device *dev) { - struct backlight_device *bl = platform_get_drvdata(pdev); + struct backlight_device *bl = dev_get_drvdata(dev); backlight_update_status(bl); return 0; } -#else -#define adp5520_bl_suspend NULL -#define adp5520_bl_resume NULL #endif +static SIMPLE_DEV_PM_OPS(adp5520_bl_pm_ops, adp5520_bl_suspend, + adp5520_bl_resume); + static struct platform_driver adp5520_bl_driver = { .driver = { .name = "adp5520-backlight", .owner = THIS_MODULE, + .pm = &adp5520_bl_pm_ops, }, .probe = adp5520_bl_probe, .remove = adp5520_bl_remove, - .suspend = adp5520_bl_suspend, - .resume = adp5520_bl_resume, }; module_platform_driver(adp5520_bl_driver); diff --git a/drivers/video/backlight/adp8860_bl.c b/drivers/video/backlight/adp8860_bl.c index a77c9cad332..75b10f87612 100644 --- a/drivers/video/backlight/adp8860_bl.c +++ b/drivers/video/backlight/adp8860_bl.c @@ -249,12 +249,14 @@ static int adp8860_led_probe(struct i2c_client *client) if (led_dat->id > 7 || led_dat->id < 1) { dev_err(&client->dev, "Invalid LED ID %d\n", led_dat->id); + ret = -EINVAL; goto err; } if (pdata->bl_led_assign & (1 << (led_dat->id - 1))) { dev_err(&client->dev, "LED %d used by Backlight\n", led_dat->id); + ret = -EBUSY; goto err; } @@ -773,25 +775,29 @@ static int adp8860_remove(struct i2c_client *client) return 0; } -#ifdef CONFIG_PM -static int adp8860_i2c_suspend(struct i2c_client *client, pm_message_t message) +#ifdef CONFIG_PM_SLEEP +static int adp8860_i2c_suspend(struct device *dev) { + struct i2c_client *client = to_i2c_client(dev); + adp8860_clr_bits(client, ADP8860_MDCR, NSTBY); return 0; } -static int adp8860_i2c_resume(struct i2c_client *client) +static int adp8860_i2c_resume(struct device *dev) { + struct i2c_client *client = to_i2c_client(dev); + adp8860_set_bits(client, ADP8860_MDCR, NSTBY | BLEN); return 0; } -#else -#define adp8860_i2c_suspend NULL -#define adp8860_i2c_resume NULL #endif +static SIMPLE_DEV_PM_OPS(adp8860_i2c_pm_ops, adp8860_i2c_suspend, + adp8860_i2c_resume); + static const struct i2c_device_id adp8860_id[] = { { "adp8860", adp8860 }, { "adp8861", adp8861 }, @@ -802,12 +808,11 @@ MODULE_DEVICE_TABLE(i2c, adp8860_id); static struct i2c_driver adp8860_driver = { .driver = { - .name = KBUILD_MODNAME, + .name = KBUILD_MODNAME, + .pm = &adp8860_i2c_pm_ops, }, .probe = adp8860_probe, .remove = adp8860_remove, - .suspend = adp8860_i2c_suspend, - .resume = adp8860_i2c_resume, .id_table = adp8860_id, }; diff --git a/drivers/video/backlight/adp8870_bl.c b/drivers/video/backlight/adp8870_bl.c index 712c25a0d8f..90049d7b5c6 100644 --- a/drivers/video/backlight/adp8870_bl.c +++ b/drivers/video/backlight/adp8870_bl.c @@ -274,12 +274,14 @@ static int adp8870_led_probe(struct i2c_client *client) if (led_dat->id > 7 || led_dat->id < 1) { dev_err(&client->dev, "Invalid LED ID %d\n", led_dat->id); + ret = -EINVAL; goto err; } if (pdata->bl_led_assign & (1 << (led_dat->id - 1))) { dev_err(&client->dev, "LED %d used by Backlight\n", led_dat->id); + ret = -EBUSY; goto err; } @@ -895,13 +897,13 @@ static int adp8870_probe(struct i2c_client *client, data->bl = bl; - if (pdata->en_ambl_sens) + if (pdata->en_ambl_sens) { ret = sysfs_create_group(&bl->dev.kobj, &adp8870_bl_attr_group); - - if (ret) { - dev_err(&client->dev, "failed to register sysfs\n"); - goto out1; + if (ret) { + dev_err(&client->dev, "failed to register sysfs\n"); + goto out1; + } } ret = adp8870_bl_setup(bl); @@ -947,25 +949,29 @@ static int adp8870_remove(struct i2c_client *client) return 0; } -#ifdef CONFIG_PM -static int adp8870_i2c_suspend(struct i2c_client *client, pm_message_t message) +#ifdef CONFIG_PM_SLEEP +static int adp8870_i2c_suspend(struct device *dev) { + struct i2c_client *client = to_i2c_client(dev); + adp8870_clr_bits(client, ADP8870_MDCR, NSTBY); return 0; } -static int adp8870_i2c_resume(struct i2c_client *client) +static int adp8870_i2c_resume(struct device *dev) { + struct i2c_client *client = to_i2c_client(dev); + adp8870_set_bits(client, ADP8870_MDCR, NSTBY | BLEN); return 0; } -#else -#define adp8870_i2c_suspend NULL -#define adp8870_i2c_resume NULL #endif +static SIMPLE_DEV_PM_OPS(adp8870_i2c_pm_ops, adp8870_i2c_suspend, + adp8870_i2c_resume); + static const struct i2c_device_id adp8870_id[] = { { "adp8870", 0 }, { } @@ -974,12 +980,11 @@ MODULE_DEVICE_TABLE(i2c, adp8870_id); static struct i2c_driver adp8870_driver = { .driver = { - .name = KBUILD_MODNAME, + .name = KBUILD_MODNAME, + .pm = &adp8870_i2c_pm_ops, }, .probe = adp8870_probe, .remove = adp8870_remove, - .suspend = adp8870_i2c_suspend, - .resume = adp8870_i2c_resume, .id_table = adp8870_id, }; diff --git a/drivers/video/backlight/ams369fg06.c b/drivers/video/backlight/ams369fg06.c index c02aa2c2575..319fef6cb42 100644 --- a/drivers/video/backlight/ams369fg06.c +++ b/drivers/video/backlight/ams369fg06.c @@ -533,12 +533,12 @@ static int ams369fg06_remove(struct spi_device *spi) return 0; } -#if defined(CONFIG_PM) -static int ams369fg06_suspend(struct spi_device *spi, pm_message_t mesg) +#ifdef CONFIG_PM_SLEEP +static int ams369fg06_suspend(struct device *dev) { - struct ams369fg06 *lcd = spi_get_drvdata(spi); + struct ams369fg06 *lcd = dev_get_drvdata(dev); - dev_dbg(&spi->dev, "lcd->power = %d\n", lcd->power); + dev_dbg(dev, "lcd->power = %d\n", lcd->power); /* * when lcd panel is suspend, lcd panel becomes off @@ -547,19 +547,19 @@ static int ams369fg06_suspend(struct spi_device *spi, pm_message_t mesg) return ams369fg06_power(lcd, FB_BLANK_POWERDOWN); } -static int ams369fg06_resume(struct spi_device *spi) +static int ams369fg06_resume(struct device *dev) { - struct ams369fg06 *lcd = spi_get_drvdata(spi); + struct ams369fg06 *lcd = dev_get_drvdata(dev); lcd->power = FB_BLANK_POWERDOWN; return ams369fg06_power(lcd, FB_BLANK_UNBLANK); } -#else -#define ams369fg06_suspend NULL -#define ams369fg06_resume NULL #endif +static SIMPLE_DEV_PM_OPS(ams369fg06_pm_ops, ams369fg06_suspend, + ams369fg06_resume); + static void ams369fg06_shutdown(struct spi_device *spi) { struct ams369fg06 *lcd = spi_get_drvdata(spi); @@ -571,12 +571,11 @@ static struct spi_driver ams369fg06_driver = { .driver = { .name = "ams369fg06", .owner = THIS_MODULE, + .pm = &ams369fg06_pm_ops, }, .probe = ams369fg06_probe, .remove = ams369fg06_remove, .shutdown = ams369fg06_shutdown, - .suspend = ams369fg06_suspend, - .resume = ams369fg06_resume, }; module_spi_driver(ams369fg06_driver); diff --git a/drivers/video/backlight/as3711_bl.c b/drivers/video/backlight/as3711_bl.c index 41d52fe5254..123887cd76b 100644 --- a/drivers/video/backlight/as3711_bl.c +++ b/drivers/video/backlight/as3711_bl.c @@ -258,6 +258,109 @@ static int as3711_bl_register(struct platform_device *pdev, return 0; } +static int as3711_backlight_parse_dt(struct device *dev) +{ + struct as3711_bl_pdata *pdata = dev_get_platdata(dev); + struct device_node *bl = + of_find_node_by_name(dev->parent->of_node, "backlight"), *fb; + int ret; + + if (!bl) { + dev_dbg(dev, "backlight node not found\n"); + return -ENODEV; + } + + fb = of_parse_phandle(bl, "su1-dev", 0); + if (fb) { + pdata->su1_fb = fb->full_name; + + ret = of_property_read_u32(bl, "su1-max-uA", &pdata->su1_max_uA); + if (pdata->su1_max_uA <= 0) + ret = -EINVAL; + if (ret < 0) + return ret; + } + + fb = of_parse_phandle(bl, "su2-dev", 0); + if (fb) { + int count = 0; + + pdata->su2_fb = fb->full_name; + + ret = of_property_read_u32(bl, "su2-max-uA", &pdata->su2_max_uA); + if (pdata->su2_max_uA <= 0) + ret = -EINVAL; + if (ret < 0) + return ret; + + if (of_find_property(bl, "su2-feedback-voltage", NULL)) { + pdata->su2_feedback = AS3711_SU2_VOLTAGE; + count++; + } + if (of_find_property(bl, "su2-feedback-curr1", NULL)) { + pdata->su2_feedback = AS3711_SU2_CURR1; + count++; + } + if (of_find_property(bl, "su2-feedback-curr2", NULL)) { + pdata->su2_feedback = AS3711_SU2_CURR2; + count++; + } + if (of_find_property(bl, "su2-feedback-curr3", NULL)) { + pdata->su2_feedback = AS3711_SU2_CURR3; + count++; + } + if (of_find_property(bl, "su2-feedback-curr-auto", NULL)) { + pdata->su2_feedback = AS3711_SU2_CURR_AUTO; + count++; + } + if (count != 1) + return -EINVAL; + + count = 0; + if (of_find_property(bl, "su2-fbprot-lx-sd4", NULL)) { + pdata->su2_fbprot = AS3711_SU2_LX_SD4; + count++; + } + if (of_find_property(bl, "su2-fbprot-gpio2", NULL)) { + pdata->su2_fbprot = AS3711_SU2_GPIO2; + count++; + } + if (of_find_property(bl, "su2-fbprot-gpio3", NULL)) { + pdata->su2_fbprot = AS3711_SU2_GPIO3; + count++; + } + if (of_find_property(bl, "su2-fbprot-gpio4", NULL)) { + pdata->su2_fbprot = AS3711_SU2_GPIO4; + count++; + } + if (count != 1) + return -EINVAL; + + count = 0; + if (of_find_property(bl, "su2-auto-curr1", NULL)) { + pdata->su2_auto_curr1 = true; + count++; + } + if (of_find_property(bl, "su2-auto-curr2", NULL)) { + pdata->su2_auto_curr2 = true; + count++; + } + if (of_find_property(bl, "su2-auto-curr3", NULL)) { + pdata->su2_auto_curr3 = true; + count++; + } + + /* + * At least one su2-auto-curr* must be specified iff + * AS3711_SU2_CURR_AUTO is used + */ + if (!count ^ (pdata->su2_feedback != AS3711_SU2_CURR_AUTO)) + return -EINVAL; + } + + return 0; +} + static int as3711_backlight_probe(struct platform_device *pdev) { struct as3711_bl_pdata *pdata = dev_get_platdata(&pdev->dev); @@ -267,11 +370,24 @@ static int as3711_backlight_probe(struct platform_device *pdev) unsigned int max_brightness; int ret; - if (!pdata || (!pdata->su1_fb && !pdata->su2_fb)) { + if (!pdata) { dev_err(&pdev->dev, "No platform data, exiting...\n"); return -ENODEV; } + if (pdev->dev.parent->of_node) { + ret = as3711_backlight_parse_dt(&pdev->dev); + if (ret < 0) { + dev_err(&pdev->dev, "DT parsing failed: %d\n", ret); + return ret; + } + } + + if (!pdata->su1_fb && !pdata->su2_fb) { + dev_err(&pdev->dev, "No framebuffer specified\n"); + return -EINVAL; + } + /* * Due to possible hardware damage I chose to block all modes, * unsupported on my hardware. Anyone, wishing to use any of those modes diff --git a/drivers/video/backlight/atmel-pwm-bl.c b/drivers/video/backlight/atmel-pwm-bl.c index de5e5e74e2a..a60d6afca97 100644 --- a/drivers/video/backlight/atmel-pwm-bl.c +++ b/drivers/video/backlight/atmel-pwm-bl.c @@ -118,7 +118,7 @@ static const struct backlight_ops atmel_pwm_bl_ops = { .update_status = atmel_pwm_bl_set_intensity, }; -static int atmel_pwm_bl_probe(struct platform_device *pdev) +static int __init atmel_pwm_bl_probe(struct platform_device *pdev) { struct backlight_properties props; const struct atmel_pwm_bl_platform_data *pdata; @@ -225,17 +225,7 @@ static struct platform_driver atmel_pwm_bl_driver = { .remove = __exit_p(atmel_pwm_bl_remove), }; -static int __init atmel_pwm_bl_init(void) -{ - return platform_driver_probe(&atmel_pwm_bl_driver, atmel_pwm_bl_probe); -} -module_init(atmel_pwm_bl_init); - -static void __exit atmel_pwm_bl_exit(void) -{ - platform_driver_unregister(&atmel_pwm_bl_driver); -} -module_exit(atmel_pwm_bl_exit); +module_platform_driver_probe(atmel_pwm_bl_driver, atmel_pwm_bl_probe); MODULE_AUTHOR("Hans-Christian egtvedt <hans-christian.egtvedt@atmel.com>"); MODULE_DESCRIPTION("Atmel PWM backlight driver"); diff --git a/drivers/video/backlight/corgi_lcd.c b/drivers/video/backlight/corgi_lcd.c index aa782f30298..c97867a717a 100644 --- a/drivers/video/backlight/corgi_lcd.c +++ b/drivers/video/backlight/corgi_lcd.c @@ -457,10 +457,10 @@ static const struct backlight_ops corgi_bl_ops = { .update_status = corgi_bl_update_status, }; -#ifdef CONFIG_PM -static int corgi_lcd_suspend(struct spi_device *spi, pm_message_t state) +#ifdef CONFIG_PM_SLEEP +static int corgi_lcd_suspend(struct device *dev) { - struct corgi_lcd *lcd = spi_get_drvdata(spi); + struct corgi_lcd *lcd = dev_get_drvdata(dev); corgibl_flags |= CORGIBL_SUSPENDED; corgi_bl_set_intensity(lcd, 0); @@ -468,20 +468,19 @@ static int corgi_lcd_suspend(struct spi_device *spi, pm_message_t state) return 0; } -static int corgi_lcd_resume(struct spi_device *spi) +static int corgi_lcd_resume(struct device *dev) { - struct corgi_lcd *lcd = spi_get_drvdata(spi); + struct corgi_lcd *lcd = dev_get_drvdata(dev); corgibl_flags &= ~CORGIBL_SUSPENDED; corgi_lcd_set_power(lcd->lcd_dev, FB_BLANK_UNBLANK); backlight_update_status(lcd->bl_dev); return 0; } -#else -#define corgi_lcd_suspend NULL -#define corgi_lcd_resume NULL #endif +static SIMPLE_DEV_PM_OPS(corgi_lcd_pm_ops, corgi_lcd_suspend, corgi_lcd_resume); + static int setup_gpio_backlight(struct corgi_lcd *lcd, struct corgi_lcd_platform_data *pdata) { @@ -611,11 +610,10 @@ static struct spi_driver corgi_lcd_driver = { .driver = { .name = "corgi-lcd", .owner = THIS_MODULE, + .pm = &corgi_lcd_pm_ops, }, .probe = corgi_lcd_probe, .remove = corgi_lcd_remove, - .suspend = corgi_lcd_suspend, - .resume = corgi_lcd_resume, }; module_spi_driver(corgi_lcd_driver); diff --git a/drivers/video/backlight/da903x_bl.c b/drivers/video/backlight/da903x_bl.c index 8179cef0730..67cadd30e27 100644 --- a/drivers/video/backlight/da903x_bl.c +++ b/drivers/video/backlight/da903x_bl.c @@ -88,16 +88,21 @@ static int da903x_backlight_update_status(struct backlight_device *bl) if (bl->props.fb_blank != FB_BLANK_UNBLANK) brightness = 0; + if (bl->props.state & BL_CORE_SUSPENDED) + brightness = 0; + return da903x_backlight_set(bl, brightness); } static int da903x_backlight_get_brightness(struct backlight_device *bl) { struct da903x_backlight_data *data = bl_get_data(bl); + return data->current_brightness; } static const struct backlight_ops da903x_backlight_ops = { + .options = BL_CORE_SUSPENDRESUME, .update_status = da903x_backlight_update_status, .get_brightness = da903x_backlight_get_brightness, }; @@ -161,35 +166,10 @@ static int da903x_backlight_remove(struct platform_device *pdev) return 0; } -#ifdef CONFIG_PM -static int da903x_backlight_suspend(struct device *dev) -{ - struct backlight_device *bl = dev_get_drvdata(dev); - - return da903x_backlight_set(bl, 0); -} - -static int da903x_backlight_resume(struct device *dev) -{ - struct backlight_device *bl = dev_get_drvdata(dev); - - backlight_update_status(bl); - return 0; -} - -static const struct dev_pm_ops da903x_backlight_pm_ops = { - .suspend = da903x_backlight_suspend, - .resume = da903x_backlight_resume, -}; -#endif - static struct platform_driver da903x_backlight_driver = { .driver = { .name = "da903x-backlight", .owner = THIS_MODULE, -#ifdef CONFIG_PM - .pm = &da903x_backlight_pm_ops, -#endif }, .probe = da903x_backlight_probe, .remove = da903x_backlight_remove, diff --git a/drivers/video/backlight/ep93xx_bl.c b/drivers/video/backlight/ep93xx_bl.c index ef3e21e8f82..33455821dd3 100644 --- a/drivers/video/backlight/ep93xx_bl.c +++ b/drivers/video/backlight/ep93xx_bl.c @@ -60,7 +60,7 @@ static const struct backlight_ops ep93xxbl_ops = { .get_brightness = ep93xxbl_get_brightness, }; -static int __init ep93xxbl_probe(struct platform_device *dev) +static int ep93xxbl_probe(struct platform_device *dev) { struct ep93xxbl *ep93xxbl; struct backlight_device *bl; @@ -115,35 +115,33 @@ static int ep93xxbl_remove(struct platform_device *dev) return 0; } -#ifdef CONFIG_PM -static int ep93xxbl_suspend(struct platform_device *dev, pm_message_t state) +#ifdef CONFIG_PM_SLEEP +static int ep93xxbl_suspend(struct device *dev) { - struct backlight_device *bl = platform_get_drvdata(dev); + struct backlight_device *bl = dev_get_drvdata(dev); return ep93xxbl_set(bl, 0); } -static int ep93xxbl_resume(struct platform_device *dev) +static int ep93xxbl_resume(struct device *dev) { - struct backlight_device *bl = platform_get_drvdata(dev); + struct backlight_device *bl = dev_get_drvdata(dev); backlight_update_status(bl); return 0; } -#else -#define ep93xxbl_suspend NULL -#define ep93xxbl_resume NULL #endif +static SIMPLE_DEV_PM_OPS(ep93xxbl_pm_ops, ep93xxbl_suspend, ep93xxbl_resume); + static struct platform_driver ep93xxbl_driver = { .driver = { .name = "ep93xx-bl", .owner = THIS_MODULE, + .pm = &ep93xxbl_pm_ops, }, .probe = ep93xxbl_probe, .remove = ep93xxbl_remove, - .suspend = ep93xxbl_suspend, - .resume = ep93xxbl_resume, }; module_platform_driver(ep93xxbl_driver); diff --git a/drivers/video/backlight/generic_bl.c b/drivers/video/backlight/generic_bl.c index 0ae155be9c8..19e393b4143 100644 --- a/drivers/video/backlight/generic_bl.c +++ b/drivers/video/backlight/generic_bl.c @@ -9,8 +9,6 @@ * */ -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - #include <linux/module.h> #include <linux/kernel.h> #include <linux/init.h> @@ -108,7 +106,7 @@ static int genericbl_probe(struct platform_device *pdev) generic_backlight_device = bd; - pr_info("Generic Backlight Driver Initialized.\n"); + dev_info(&pdev->dev, "Generic Backlight Driver Initialized.\n"); return 0; } @@ -122,7 +120,7 @@ static int genericbl_remove(struct platform_device *pdev) backlight_device_unregister(bd); - pr_info("Generic Backlight Driver Unloaded\n"); + dev_info(&pdev->dev, "Generic Backlight Driver Unloaded\n"); return 0; } diff --git a/drivers/video/backlight/hp680_bl.c b/drivers/video/backlight/hp680_bl.c index 5cefd73526f..00076ecfe9b 100644 --- a/drivers/video/backlight/hp680_bl.c +++ b/drivers/video/backlight/hp680_bl.c @@ -64,29 +64,28 @@ static void hp680bl_send_intensity(struct backlight_device *bd) } -#ifdef CONFIG_PM -static int hp680bl_suspend(struct platform_device *pdev, pm_message_t state) +#ifdef CONFIG_PM_SLEEP +static int hp680bl_suspend(struct device *dev) { - struct backlight_device *bd = platform_get_drvdata(pdev); + struct backlight_device *bd = dev_get_drvdata(dev); hp680bl_suspended = 1; hp680bl_send_intensity(bd); return 0; } -static int hp680bl_resume(struct platform_device *pdev) +static int hp680bl_resume(struct device *dev) { - struct backlight_device *bd = platform_get_drvdata(pdev); + struct backlight_device *bd = dev_get_drvdata(dev); hp680bl_suspended = 0; hp680bl_send_intensity(bd); return 0; } -#else -#define hp680bl_suspend NULL -#define hp680bl_resume NULL #endif +static SIMPLE_DEV_PM_OPS(hp680bl_pm_ops, hp680bl_suspend, hp680bl_resume); + static int hp680bl_set_intensity(struct backlight_device *bd) { hp680bl_send_intensity(bd); @@ -140,10 +139,9 @@ static int hp680bl_remove(struct platform_device *pdev) static struct platform_driver hp680bl_driver = { .probe = hp680bl_probe, .remove = hp680bl_remove, - .suspend = hp680bl_suspend, - .resume = hp680bl_resume, .driver = { .name = "hp680-bl", + .pm = &hp680bl_pm_ops, }, }; diff --git a/drivers/video/backlight/ili922x.c b/drivers/video/backlight/ili922x.c new file mode 100644 index 00000000000..d9f65c2d9b0 --- /dev/null +++ b/drivers/video/backlight/ili922x.c @@ -0,0 +1,555 @@ +/* + * (C) Copyright 2008 + * Stefano Babic, DENX Software Engineering, sbabic@denx.de. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This driver implements a lcd device for the ILITEK 922x display + * controller. The interface to the display is SPI and the display's + * memory is cyclically updated over the RGB interface. + */ + +#include <linux/fb.h> +#include <linux/delay.h> +#include <linux/errno.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/lcd.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/slab.h> +#include <linux/spi/spi.h> +#include <linux/string.h> + +/* Register offset, see manual section 8.2 */ +#define REG_START_OSCILLATION 0x00 +#define REG_DRIVER_CODE_READ 0x00 +#define REG_DRIVER_OUTPUT_CONTROL 0x01 +#define REG_LCD_AC_DRIVEING_CONTROL 0x02 +#define REG_ENTRY_MODE 0x03 +#define REG_COMPARE_1 0x04 +#define REG_COMPARE_2 0x05 +#define REG_DISPLAY_CONTROL_1 0x07 +#define REG_DISPLAY_CONTROL_2 0x08 +#define REG_DISPLAY_CONTROL_3 0x09 +#define REG_FRAME_CYCLE_CONTROL 0x0B +#define REG_EXT_INTF_CONTROL 0x0C +#define REG_POWER_CONTROL_1 0x10 +#define REG_POWER_CONTROL_2 0x11 +#define REG_POWER_CONTROL_3 0x12 +#define REG_POWER_CONTROL_4 0x13 +#define REG_RAM_ADDRESS_SET 0x21 +#define REG_WRITE_DATA_TO_GRAM 0x22 +#define REG_RAM_WRITE_MASK1 0x23 +#define REG_RAM_WRITE_MASK2 0x24 +#define REG_GAMMA_CONTROL_1 0x30 +#define REG_GAMMA_CONTROL_2 0x31 +#define REG_GAMMA_CONTROL_3 0x32 +#define REG_GAMMA_CONTROL_4 0x33 +#define REG_GAMMA_CONTROL_5 0x34 +#define REG_GAMMA_CONTROL_6 0x35 +#define REG_GAMMA_CONTROL_7 0x36 +#define REG_GAMMA_CONTROL_8 0x37 +#define REG_GAMMA_CONTROL_9 0x38 +#define REG_GAMMA_CONTROL_10 0x39 +#define REG_GATE_SCAN_CONTROL 0x40 +#define REG_VERT_SCROLL_CONTROL 0x41 +#define REG_FIRST_SCREEN_DRIVE_POS 0x42 +#define REG_SECOND_SCREEN_DRIVE_POS 0x43 +#define REG_RAM_ADDR_POS_H 0x44 +#define REG_RAM_ADDR_POS_V 0x45 +#define REG_OSCILLATOR_CONTROL 0x4F +#define REG_GPIO 0x60 +#define REG_OTP_VCM_PROGRAMMING 0x61 +#define REG_OTP_VCM_STATUS_ENABLE 0x62 +#define REG_OTP_PROGRAMMING_ID_KEY 0x65 + +/* + * maximum frequency for register access + * (not for the GRAM access) + */ +#define ILITEK_MAX_FREQ_REG 4000000 + +/* + * Device ID as found in the datasheet (supports 9221 and 9222) + */ +#define ILITEK_DEVICE_ID 0x9220 +#define ILITEK_DEVICE_ID_MASK 0xFFF0 + +/* Last two bits in the START BYTE */ +#define START_RS_INDEX 0 +#define START_RS_REG 1 +#define START_RW_WRITE 0 +#define START_RW_READ 1 + +/** + * START_BYTE(id, rs, rw) + * + * Set the start byte according to the required operation. + * The start byte is defined as: + * ---------------------------------- + * | 0 | 1 | 1 | 1 | 0 | ID | RS | RW | + * ---------------------------------- + * @id: display's id as set by the manufacturer + * @rs: operation type bit, one of: + * - START_RS_INDEX set the index register + * - START_RS_REG write/read registers/GRAM + * @rw: read/write operation + * - START_RW_WRITE write + * - START_RW_READ read + */ +#define START_BYTE(id, rs, rw) \ + (0x70 | (((id) & 0x01) << 2) | (((rs) & 0x01) << 1) | ((rw) & 0x01)) + +/** + * CHECK_FREQ_REG(spi_device s, spi_transfer x) - Check the frequency + * for the SPI transfer. According to the datasheet, the controller + * accept higher frequency for the GRAM transfer, but it requires + * lower frequency when the registers are read/written. + * The macro sets the frequency in the spi_transfer structure if + * the frequency exceeds the maximum value. + */ +#define CHECK_FREQ_REG(s, x) \ + do { \ + if (s->max_speed_hz > ILITEK_MAX_FREQ_REG) \ + ((struct spi_transfer *)x)->speed_hz = \ + ILITEK_MAX_FREQ_REG; \ + } while (0) + +#define CMD_BUFSIZE 16 + +#define POWER_IS_ON(pwr) ((pwr) <= FB_BLANK_NORMAL) + +#define set_tx_byte(b) (tx_invert ? ~(b) : b) + +/** + * ili922x_id - id as set by manufacturer + */ +static int ili922x_id = 1; +module_param(ili922x_id, int, 0); + +static int tx_invert; +module_param(tx_invert, int, 0); + +/** + * driver's private structure + */ +struct ili922x { + struct spi_device *spi; + struct lcd_device *ld; + int power; +}; + +/** + * ili922x_read_status - read status register from display + * @spi: spi device + * @rs: output value + */ +static int ili922x_read_status(struct spi_device *spi, u16 *rs) +{ + struct spi_message msg; + struct spi_transfer xfer; + unsigned char tbuf[CMD_BUFSIZE]; + unsigned char rbuf[CMD_BUFSIZE]; + int ret, i; + + memset(&xfer, 0, sizeof(struct spi_transfer)); + spi_message_init(&msg); + xfer.tx_buf = tbuf; + xfer.rx_buf = rbuf; + xfer.cs_change = 1; + CHECK_FREQ_REG(spi, &xfer); + + tbuf[0] = set_tx_byte(START_BYTE(ili922x_id, START_RS_INDEX, + START_RW_READ)); + /* + * we need 4-byte xfer here due to invalid dummy byte + * received after start byte + */ + for (i = 1; i < 4; i++) + tbuf[i] = set_tx_byte(0); /* dummy */ + + xfer.bits_per_word = 8; + xfer.len = 4; + spi_message_add_tail(&xfer, &msg); + ret = spi_sync(spi, &msg); + if (ret < 0) { + dev_dbg(&spi->dev, "Error sending SPI message 0x%x", ret); + return ret; + } + + *rs = (rbuf[2] << 8) + rbuf[3]; + return 0; +} + +/** + * ili922x_read - read register from display + * @spi: spi device + * @reg: offset of the register to be read + * @rx: output value + */ +static int ili922x_read(struct spi_device *spi, u8 reg, u16 *rx) +{ + struct spi_message msg; + struct spi_transfer xfer_regindex, xfer_regvalue; + unsigned char tbuf[CMD_BUFSIZE]; + unsigned char rbuf[CMD_BUFSIZE]; + int ret, len = 0, send_bytes; + + memset(&xfer_regindex, 0, sizeof(struct spi_transfer)); + memset(&xfer_regvalue, 0, sizeof(struct spi_transfer)); + spi_message_init(&msg); + xfer_regindex.tx_buf = tbuf; + xfer_regindex.rx_buf = rbuf; + xfer_regindex.cs_change = 1; + CHECK_FREQ_REG(spi, &xfer_regindex); + + tbuf[0] = set_tx_byte(START_BYTE(ili922x_id, START_RS_INDEX, + START_RW_WRITE)); + tbuf[1] = set_tx_byte(0); + tbuf[2] = set_tx_byte(reg); + xfer_regindex.bits_per_word = 8; + len = xfer_regindex.len = 3; + spi_message_add_tail(&xfer_regindex, &msg); + + send_bytes = len; + + tbuf[len++] = set_tx_byte(START_BYTE(ili922x_id, START_RS_REG, + START_RW_READ)); + tbuf[len++] = set_tx_byte(0); + tbuf[len] = set_tx_byte(0); + + xfer_regvalue.cs_change = 1; + xfer_regvalue.len = 3; + xfer_regvalue.tx_buf = &tbuf[send_bytes]; + xfer_regvalue.rx_buf = &rbuf[send_bytes]; + CHECK_FREQ_REG(spi, &xfer_regvalue); + + spi_message_add_tail(&xfer_regvalue, &msg); + ret = spi_sync(spi, &msg); + if (ret < 0) { + dev_dbg(&spi->dev, "Error sending SPI message 0x%x", ret); + return ret; + } + + *rx = (rbuf[1 + send_bytes] << 8) + rbuf[2 + send_bytes]; + return 0; +} + +/** + * ili922x_write - write a controller register + * @spi: struct spi_device * + * @reg: offset of the register to be written + * @value: value to be written + */ +static int ili922x_write(struct spi_device *spi, u8 reg, u16 value) +{ + struct spi_message msg; + struct spi_transfer xfer_regindex, xfer_regvalue; + unsigned char tbuf[CMD_BUFSIZE]; + unsigned char rbuf[CMD_BUFSIZE]; + int ret, len = 0; + + memset(&xfer_regindex, 0, sizeof(struct spi_transfer)); + memset(&xfer_regvalue, 0, sizeof(struct spi_transfer)); + + spi_message_init(&msg); + xfer_regindex.tx_buf = tbuf; + xfer_regindex.rx_buf = rbuf; + xfer_regindex.cs_change = 1; + CHECK_FREQ_REG(spi, &xfer_regindex); + + tbuf[0] = set_tx_byte(START_BYTE(ili922x_id, START_RS_INDEX, + START_RW_WRITE)); + tbuf[1] = set_tx_byte(0); + tbuf[2] = set_tx_byte(reg); + xfer_regindex.bits_per_word = 8; + xfer_regindex.len = 3; + spi_message_add_tail(&xfer_regindex, &msg); + + ret = spi_sync(spi, &msg); + + spi_message_init(&msg); + len = 0; + tbuf[0] = set_tx_byte(START_BYTE(ili922x_id, START_RS_REG, + START_RW_WRITE)); + tbuf[1] = set_tx_byte((value & 0xFF00) >> 8); + tbuf[2] = set_tx_byte(value & 0x00FF); + + xfer_regvalue.cs_change = 1; + xfer_regvalue.len = 3; + xfer_regvalue.tx_buf = tbuf; + xfer_regvalue.rx_buf = rbuf; + CHECK_FREQ_REG(spi, &xfer_regvalue); + + spi_message_add_tail(&xfer_regvalue, &msg); + + ret = spi_sync(spi, &msg); + if (ret < 0) { + dev_err(&spi->dev, "Error sending SPI message 0x%x", ret); + return ret; + } + return 0; +} + +#ifdef DEBUG +/** + * ili922x_reg_dump - dump all registers + */ +static void ili922x_reg_dump(struct spi_device *spi) +{ + u8 reg; + u16 rx; + + dev_dbg(&spi->dev, "ILI922x configuration registers:\n"); + for (reg = REG_START_OSCILLATION; + reg <= REG_OTP_PROGRAMMING_ID_KEY; reg++) { + ili922x_read(spi, reg, &rx); + dev_dbg(&spi->dev, "reg @ 0x%02X: 0x%04X\n", reg, rx); + } +} +#else +static inline void ili922x_reg_dump(struct spi_device *spi) {} +#endif + +/** + * set_write_to_gram_reg - initialize the display to write the GRAM + * @spi: spi device + */ +static void set_write_to_gram_reg(struct spi_device *spi) +{ + struct spi_message msg; + struct spi_transfer xfer; + unsigned char tbuf[CMD_BUFSIZE]; + + memset(&xfer, 0, sizeof(struct spi_transfer)); + + spi_message_init(&msg); + xfer.tx_buf = tbuf; + xfer.rx_buf = NULL; + xfer.cs_change = 1; + + tbuf[0] = START_BYTE(ili922x_id, START_RS_INDEX, START_RW_WRITE); + tbuf[1] = 0; + tbuf[2] = REG_WRITE_DATA_TO_GRAM; + + xfer.bits_per_word = 8; + xfer.len = 3; + spi_message_add_tail(&xfer, &msg); + spi_sync(spi, &msg); +} + +/** + * ili922x_poweron - turn the display on + * @spi: spi device + * + * The sequence to turn on the display is taken from + * the datasheet and/or the example code provided by the + * manufacturer. + */ +static int ili922x_poweron(struct spi_device *spi) +{ + int ret; + + /* Power on */ + ret = ili922x_write(spi, REG_POWER_CONTROL_1, 0x0000); + usleep_range(10000, 10500); + ret += ili922x_write(spi, REG_POWER_CONTROL_2, 0x0000); + ret += ili922x_write(spi, REG_POWER_CONTROL_3, 0x0000); + msleep(40); + ret += ili922x_write(spi, REG_POWER_CONTROL_4, 0x0000); + msleep(40); + /* register 0x56 is not documented in the datasheet */ + ret += ili922x_write(spi, 0x56, 0x080F); + ret += ili922x_write(spi, REG_POWER_CONTROL_1, 0x4240); + usleep_range(10000, 10500); + ret += ili922x_write(spi, REG_POWER_CONTROL_2, 0x0000); + ret += ili922x_write(spi, REG_POWER_CONTROL_3, 0x0014); + msleep(40); + ret += ili922x_write(spi, REG_POWER_CONTROL_4, 0x1319); + msleep(40); + + return ret; +} + +/** + * ili922x_poweroff - turn the display off + * @spi: spi device + */ +static int ili922x_poweroff(struct spi_device *spi) +{ + int ret; + + /* Power off */ + ret = ili922x_write(spi, REG_POWER_CONTROL_1, 0x0000); + usleep_range(10000, 10500); + ret += ili922x_write(spi, REG_POWER_CONTROL_2, 0x0000); + ret += ili922x_write(spi, REG_POWER_CONTROL_3, 0x0000); + msleep(40); + ret += ili922x_write(spi, REG_POWER_CONTROL_4, 0x0000); + msleep(40); + + return ret; +} + +/** + * ili922x_display_init - initialize the display by setting + * the configuration registers + * @spi: spi device + */ +static void ili922x_display_init(struct spi_device *spi) +{ + ili922x_write(spi, REG_START_OSCILLATION, 1); + usleep_range(10000, 10500); + ili922x_write(spi, REG_DRIVER_OUTPUT_CONTROL, 0x691B); + ili922x_write(spi, REG_LCD_AC_DRIVEING_CONTROL, 0x0700); + ili922x_write(spi, REG_ENTRY_MODE, 0x1030); + ili922x_write(spi, REG_COMPARE_1, 0x0000); + ili922x_write(spi, REG_COMPARE_2, 0x0000); + ili922x_write(spi, REG_DISPLAY_CONTROL_1, 0x0037); + ili922x_write(spi, REG_DISPLAY_CONTROL_2, 0x0202); + ili922x_write(spi, REG_DISPLAY_CONTROL_3, 0x0000); + ili922x_write(spi, REG_FRAME_CYCLE_CONTROL, 0x0000); + + /* Set RGB interface */ + ili922x_write(spi, REG_EXT_INTF_CONTROL, 0x0110); + + ili922x_poweron(spi); + + ili922x_write(spi, REG_GAMMA_CONTROL_1, 0x0302); + ili922x_write(spi, REG_GAMMA_CONTROL_2, 0x0407); + ili922x_write(spi, REG_GAMMA_CONTROL_3, 0x0304); + ili922x_write(spi, REG_GAMMA_CONTROL_4, 0x0203); + ili922x_write(spi, REG_GAMMA_CONTROL_5, 0x0706); + ili922x_write(spi, REG_GAMMA_CONTROL_6, 0x0407); + ili922x_write(spi, REG_GAMMA_CONTROL_7, 0x0706); + ili922x_write(spi, REG_GAMMA_CONTROL_8, 0x0000); + ili922x_write(spi, REG_GAMMA_CONTROL_9, 0x0C06); + ili922x_write(spi, REG_GAMMA_CONTROL_10, 0x0F00); + ili922x_write(spi, REG_RAM_ADDRESS_SET, 0x0000); + ili922x_write(spi, REG_GATE_SCAN_CONTROL, 0x0000); + ili922x_write(spi, REG_VERT_SCROLL_CONTROL, 0x0000); + ili922x_write(spi, REG_FIRST_SCREEN_DRIVE_POS, 0xDB00); + ili922x_write(spi, REG_SECOND_SCREEN_DRIVE_POS, 0xDB00); + ili922x_write(spi, REG_RAM_ADDR_POS_H, 0xAF00); + ili922x_write(spi, REG_RAM_ADDR_POS_V, 0xDB00); + ili922x_reg_dump(spi); + set_write_to_gram_reg(spi); +} + +static int ili922x_lcd_power(struct ili922x *lcd, int power) +{ + int ret = 0; + + if (POWER_IS_ON(power) && !POWER_IS_ON(lcd->power)) + ret = ili922x_poweron(lcd->spi); + else if (!POWER_IS_ON(power) && POWER_IS_ON(lcd->power)) + ret = ili922x_poweroff(lcd->spi); + + if (!ret) + lcd->power = power; + + return ret; +} + +static int ili922x_set_power(struct lcd_device *ld, int power) +{ + struct ili922x *ili = lcd_get_data(ld); + + return ili922x_lcd_power(ili, power); +} + +static int ili922x_get_power(struct lcd_device *ld) +{ + struct ili922x *ili = lcd_get_data(ld); + + return ili->power; +} + +static struct lcd_ops ili922x_ops = { + .get_power = ili922x_get_power, + .set_power = ili922x_set_power, +}; + +static int ili922x_probe(struct spi_device *spi) +{ + struct ili922x *ili; + struct lcd_device *lcd; + int ret; + u16 reg = 0; + + ili = devm_kzalloc(&spi->dev, sizeof(*ili), GFP_KERNEL); + if (!ili) { + dev_err(&spi->dev, "cannot alloc priv data\n"); + return -ENOMEM; + } + + ili->spi = spi; + spi_set_drvdata(spi, ili); + + /* check if the device is connected */ + ret = ili922x_read(spi, REG_DRIVER_CODE_READ, ®); + if (ret || ((reg & ILITEK_DEVICE_ID_MASK) != ILITEK_DEVICE_ID)) { + dev_err(&spi->dev, + "no LCD found: Chip ID 0x%x, ret %d\n", + reg, ret); + return -ENODEV; + } else { + dev_info(&spi->dev, "ILI%x found, SPI freq %d, mode %d\n", + reg, spi->max_speed_hz, spi->mode); + } + + ret = ili922x_read_status(spi, ®); + if (ret) { + dev_err(&spi->dev, "reading RS failed...\n"); + return ret; + } else + dev_dbg(&spi->dev, "status: 0x%x\n", reg); + + ili922x_display_init(spi); + + ili->power = FB_BLANK_POWERDOWN; + + lcd = lcd_device_register("ili922xlcd", &spi->dev, ili, + &ili922x_ops); + if (IS_ERR(lcd)) { + dev_err(&spi->dev, "cannot register LCD\n"); + return PTR_ERR(lcd); + } + + ili->ld = lcd; + spi_set_drvdata(spi, ili); + + ili922x_lcd_power(ili, FB_BLANK_UNBLANK); + + return 0; +} + +static int ili922x_remove(struct spi_device *spi) +{ + struct ili922x *ili = spi_get_drvdata(spi); + + ili922x_poweroff(spi); + lcd_device_unregister(ili->ld); + return 0; +} + +static struct spi_driver ili922x_driver = { + .driver = { + .name = "ili922x", + .owner = THIS_MODULE, + }, + .probe = ili922x_probe, + .remove = ili922x_remove, +}; + +module_spi_driver(ili922x_driver); + +MODULE_AUTHOR("Stefano Babic <sbabic@denx.de>"); +MODULE_DESCRIPTION("ILI9221/9222 LCD driver"); +MODULE_LICENSE("GPL"); +MODULE_PARM_DESC(ili922x_id, "set controller identifier (default=1)"); +MODULE_PARM_DESC(tx_invert, "invert bytes before sending"); diff --git a/drivers/video/backlight/ili9320.c b/drivers/video/backlight/ili9320.c index 1235bf9defc..f8be90c5ded 100644 --- a/drivers/video/backlight/ili9320.c +++ b/drivers/video/backlight/ili9320.c @@ -231,7 +231,7 @@ int ili9320_probe_spi(struct spi_device *spi, ili->power = FB_BLANK_POWERDOWN; ili->platdata = cfg; - dev_set_drvdata(&spi->dev, ili); + spi_set_drvdata(spi, ili); ili9320_setup_spi(ili, spi); @@ -270,27 +270,21 @@ int ili9320_remove(struct ili9320 *ili) } EXPORT_SYMBOL_GPL(ili9320_remove); -#ifdef CONFIG_PM -int ili9320_suspend(struct ili9320 *lcd, pm_message_t state) +#ifdef CONFIG_PM_SLEEP +int ili9320_suspend(struct ili9320 *lcd) { int ret; - dev_dbg(lcd->dev, "%s: event %d\n", __func__, state.event); + ret = ili9320_power(lcd, FB_BLANK_POWERDOWN); - if (state.event == PM_EVENT_SUSPEND) { - ret = ili9320_power(lcd, FB_BLANK_POWERDOWN); - - if (lcd->platdata->suspend == ILI9320_SUSPEND_DEEP) { - ili9320_write(lcd, ILI9320_POWER1, lcd->power1 | - ILI9320_POWER1_SLP | - ILI9320_POWER1_DSTB); - lcd->initialised = 0; - } - - return ret; + if (lcd->platdata->suspend == ILI9320_SUSPEND_DEEP) { + ili9320_write(lcd, ILI9320_POWER1, lcd->power1 | + ILI9320_POWER1_SLP | + ILI9320_POWER1_DSTB); + lcd->initialised = 0; } - return 0; + return ret; } EXPORT_SYMBOL_GPL(ili9320_suspend); diff --git a/drivers/video/backlight/ili9320.h b/drivers/video/backlight/ili9320.h index e0db738f7bb..42329e7aa9a 100644 --- a/drivers/video/backlight/ili9320.h +++ b/drivers/video/backlight/ili9320.h @@ -76,5 +76,5 @@ extern void ili9320_shutdown(struct ili9320 *lcd); /* PM */ -extern int ili9320_suspend(struct ili9320 *lcd, pm_message_t state); +extern int ili9320_suspend(struct ili9320 *lcd); extern int ili9320_resume(struct ili9320 *lcd); diff --git a/drivers/video/backlight/jornada720_bl.c b/drivers/video/backlight/jornada720_bl.c index fef6ce4fad7..3ccb89340f2 100644 --- a/drivers/video/backlight/jornada720_bl.c +++ b/drivers/video/backlight/jornada720_bl.c @@ -9,8 +9,6 @@ * */ -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - #include <linux/backlight.h> #include <linux/device.h> #include <linux/fb.h> @@ -40,11 +38,13 @@ static int jornada_bl_get_brightness(struct backlight_device *bd) ret = jornada_ssp_byte(GETBRIGHTNESS); if (jornada_ssp_byte(GETBRIGHTNESS) != TXDUMMY) { - pr_err("get brightness timeout\n"); + dev_err(&bd->dev, "get brightness timeout\n"); jornada_ssp_end(); return -ETIMEDOUT; - } else /* exchange txdummy for value */ + } else { + /* exchange txdummy for value */ ret = jornada_ssp_byte(TXDUMMY); + } jornada_ssp_end(); @@ -61,7 +61,7 @@ static int jornada_bl_update_status(struct backlight_device *bd) if ((bd->props.power != FB_BLANK_UNBLANK) || (bd->props.fb_blank != FB_BLANK_UNBLANK)) { ret = jornada_ssp_byte(BRIGHTNESSOFF); if (ret != TXDUMMY) { - pr_info("brightness off timeout\n"); + dev_info(&bd->dev, "brightness off timeout\n"); /* turn off backlight */ PPSR &= ~PPC_LDD1; PPDR |= PPC_LDD1; @@ -72,7 +72,7 @@ static int jornada_bl_update_status(struct backlight_device *bd) /* send command to our mcu */ if (jornada_ssp_byte(SETBRIGHTNESS) != TXDUMMY) { - pr_info("failed to set brightness\n"); + dev_info(&bd->dev, "failed to set brightness\n"); ret = -ETIMEDOUT; goto out; } @@ -86,7 +86,7 @@ static int jornada_bl_update_status(struct backlight_device *bd) */ if (jornada_ssp_byte(BL_MAX_BRIGHT - bd->props.brightness) != TXDUMMY) { - pr_err("set brightness failed\n"); + dev_err(&bd->dev, "set brightness failed\n"); ret = -ETIMEDOUT; } @@ -120,7 +120,7 @@ static int jornada_bl_probe(struct platform_device *pdev) if (IS_ERR(bd)) { ret = PTR_ERR(bd); - pr_err("failed to register device, err=%x\n", ret); + dev_err(&pdev->dev, "failed to register device, err=%x\n", ret); return ret; } @@ -134,7 +134,7 @@ static int jornada_bl_probe(struct platform_device *pdev) jornada_bl_update_status(bd); platform_set_drvdata(pdev, bd); - pr_info("HP Jornada 700 series backlight driver\n"); + dev_info(&pdev->dev, "HP Jornada 700 series backlight driver\n"); return 0; } diff --git a/drivers/video/backlight/jornada720_lcd.c b/drivers/video/backlight/jornada720_lcd.c index 635b30523fd..b061413f1a6 100644 --- a/drivers/video/backlight/jornada720_lcd.c +++ b/drivers/video/backlight/jornada720_lcd.c @@ -9,8 +9,6 @@ * */ -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - #include <linux/device.h> #include <linux/fb.h> #include <linux/kernel.h> @@ -27,7 +25,7 @@ #define LCD_MAX_CONTRAST 0xff #define LCD_DEF_CONTRAST 0x80 -static int jornada_lcd_get_power(struct lcd_device *dev) +static int jornada_lcd_get_power(struct lcd_device *ld) { /* LDD2 in PPC = LCD POWER */ if (PPSR & PPC_LDD2) @@ -36,17 +34,17 @@ static int jornada_lcd_get_power(struct lcd_device *dev) return FB_BLANK_POWERDOWN; /* PW OFF */ } -static int jornada_lcd_get_contrast(struct lcd_device *dev) +static int jornada_lcd_get_contrast(struct lcd_device *ld) { int ret; - if (jornada_lcd_get_power(dev) != FB_BLANK_UNBLANK) + if (jornada_lcd_get_power(ld) != FB_BLANK_UNBLANK) return 0; jornada_ssp_start(); if (jornada_ssp_byte(GETCONTRAST) != TXDUMMY) { - pr_err("get contrast failed\n"); + dev_err(&ld->dev, "get contrast failed\n"); jornada_ssp_end(); return -ETIMEDOUT; } else { @@ -56,7 +54,7 @@ static int jornada_lcd_get_contrast(struct lcd_device *dev) } } -static int jornada_lcd_set_contrast(struct lcd_device *dev, int value) +static int jornada_lcd_set_contrast(struct lcd_device *ld, int value) { int ret; @@ -67,7 +65,7 @@ static int jornada_lcd_set_contrast(struct lcd_device *dev, int value) /* push the new value */ if (jornada_ssp_byte(value) != TXDUMMY) { - pr_err("set contrast failed\n"); + dev_err(&ld->dev, "set contrast failed\n"); jornada_ssp_end(); return -ETIMEDOUT; } @@ -78,13 +76,14 @@ static int jornada_lcd_set_contrast(struct lcd_device *dev, int value) return 0; } -static int jornada_lcd_set_power(struct lcd_device *dev, int power) +static int jornada_lcd_set_power(struct lcd_device *ld, int power) { if (power != FB_BLANK_UNBLANK) { PPSR &= ~PPC_LDD2; PPDR |= PPC_LDD2; - } else + } else { PPSR |= PPC_LDD2; + } return 0; } @@ -105,7 +104,7 @@ static int jornada_lcd_probe(struct platform_device *pdev) if (IS_ERR(lcd_device)) { ret = PTR_ERR(lcd_device); - pr_err("failed to register device\n"); + dev_err(&pdev->dev, "failed to register device\n"); return ret; } diff --git a/drivers/video/backlight/kb3886_bl.c b/drivers/video/backlight/kb3886_bl.c index 6c5ed6b242c..bca6ccc74df 100644 --- a/drivers/video/backlight/kb3886_bl.c +++ b/drivers/video/backlight/kb3886_bl.c @@ -106,29 +106,28 @@ static int kb3886bl_send_intensity(struct backlight_device *bd) return 0; } -#ifdef CONFIG_PM -static int kb3886bl_suspend(struct platform_device *pdev, pm_message_t state) +#ifdef CONFIG_PM_SLEEP +static int kb3886bl_suspend(struct device *dev) { - struct backlight_device *bd = platform_get_drvdata(pdev); + struct backlight_device *bd = dev_get_drvdata(dev); kb3886bl_flags |= KB3886BL_SUSPENDED; backlight_update_status(bd); return 0; } -static int kb3886bl_resume(struct platform_device *pdev) +static int kb3886bl_resume(struct device *dev) { - struct backlight_device *bd = platform_get_drvdata(pdev); + struct backlight_device *bd = dev_get_drvdata(dev); kb3886bl_flags &= ~KB3886BL_SUSPENDED; backlight_update_status(bd); return 0; } -#else -#define kb3886bl_suspend NULL -#define kb3886bl_resume NULL #endif +static SIMPLE_DEV_PM_OPS(kb3886bl_pm_ops, kb3886bl_suspend, kb3886bl_resume); + static int kb3886bl_get_intensity(struct backlight_device *bd) { return kb3886bl_intensity; @@ -179,10 +178,9 @@ static int kb3886bl_remove(struct platform_device *pdev) static struct platform_driver kb3886bl_driver = { .probe = kb3886bl_probe, .remove = kb3886bl_remove, - .suspend = kb3886bl_suspend, - .resume = kb3886bl_resume, .driver = { .name = "kb3886-bl", + .pm = &kb3886bl_pm_ops, }, }; diff --git a/drivers/video/backlight/l4f00242t03.c b/drivers/video/backlight/l4f00242t03.c index fb615577132..a35a38c709c 100644 --- a/drivers/video/backlight/l4f00242t03.c +++ b/drivers/video/backlight/l4f00242t03.c @@ -51,14 +51,33 @@ static void l4f00242t03_lcd_init(struct spi_device *spi) struct l4f00242t03_pdata *pdata = spi->dev.platform_data; struct l4f00242t03_priv *priv = spi_get_drvdata(spi); const u16 cmd[] = { 0x36, param(0), 0x3A, param(0x60) }; + int ret; dev_dbg(&spi->dev, "initializing LCD\n"); - regulator_set_voltage(priv->io_reg, 1800000, 1800000); - regulator_enable(priv->io_reg); + ret = regulator_set_voltage(priv->io_reg, 1800000, 1800000); + if (ret) { + dev_err(&spi->dev, "failed to set the IO regulator voltage.\n"); + return; + } + ret = regulator_enable(priv->io_reg); + if (ret) { + dev_err(&spi->dev, "failed to enable the IO regulator.\n"); + return; + } - regulator_set_voltage(priv->core_reg, 2800000, 2800000); - regulator_enable(priv->core_reg); + ret = regulator_set_voltage(priv->core_reg, 2800000, 2800000); + if (ret) { + dev_err(&spi->dev, "failed to set the core regulator voltage.\n"); + regulator_disable(priv->io_reg); + return; + } + ret = regulator_enable(priv->core_reg); + if (ret) { + dev_err(&spi->dev, "failed to enable the core regulator.\n"); + regulator_disable(priv->io_reg); + return; + } l4f00242t03_reset(pdata->reset_gpio); diff --git a/drivers/video/backlight/ld9040.c b/drivers/video/backlight/ld9040.c index 1b642f5f381..1e0a3093ce5 100644 --- a/drivers/video/backlight/ld9040.c +++ b/drivers/video/backlight/ld9040.c @@ -775,12 +775,12 @@ static int ld9040_remove(struct spi_device *spi) return 0; } -#if defined(CONFIG_PM) -static int ld9040_suspend(struct spi_device *spi, pm_message_t mesg) +#ifdef CONFIG_PM_SLEEP +static int ld9040_suspend(struct device *dev) { - struct ld9040 *lcd = spi_get_drvdata(spi); + struct ld9040 *lcd = dev_get_drvdata(dev); - dev_dbg(&spi->dev, "lcd->power = %d\n", lcd->power); + dev_dbg(dev, "lcd->power = %d\n", lcd->power); /* * when lcd panel is suspend, lcd panel becomes off @@ -789,19 +789,18 @@ static int ld9040_suspend(struct spi_device *spi, pm_message_t mesg) return ld9040_power(lcd, FB_BLANK_POWERDOWN); } -static int ld9040_resume(struct spi_device *spi) +static int ld9040_resume(struct device *dev) { - struct ld9040 *lcd = spi_get_drvdata(spi); + struct ld9040 *lcd = dev_get_drvdata(dev); lcd->power = FB_BLANK_POWERDOWN; return ld9040_power(lcd, FB_BLANK_UNBLANK); } -#else -#define ld9040_suspend NULL -#define ld9040_resume NULL #endif +static SIMPLE_DEV_PM_OPS(ld9040_pm_ops, ld9040_suspend, ld9040_resume); + /* Power down all displays on reboot, poweroff or halt. */ static void ld9040_shutdown(struct spi_device *spi) { @@ -814,12 +813,11 @@ static struct spi_driver ld9040_driver = { .driver = { .name = "ld9040", .owner = THIS_MODULE, + .pm = &ld9040_pm_ops, }, .probe = ld9040_probe, .remove = ld9040_remove, .shutdown = ld9040_shutdown, - .suspend = ld9040_suspend, - .resume = ld9040_resume, }; module_spi_driver(ld9040_driver); diff --git a/drivers/video/backlight/lm3533_bl.c b/drivers/video/backlight/lm3533_bl.c index 5d18d4d7f47..1d1dbfb789e 100644 --- a/drivers/video/backlight/lm3533_bl.c +++ b/drivers/video/backlight/lm3533_bl.c @@ -368,29 +368,28 @@ static int lm3533_bl_remove(struct platform_device *pdev) return 0; } -#ifdef CONFIG_PM -static int lm3533_bl_suspend(struct platform_device *pdev, pm_message_t state) +#ifdef CONFIG_PM_SLEEP +static int lm3533_bl_suspend(struct device *dev) { - struct lm3533_bl *bl = platform_get_drvdata(pdev); + struct lm3533_bl *bl = dev_get_drvdata(dev); - dev_dbg(&pdev->dev, "%s\n", __func__); + dev_dbg(dev, "%s\n", __func__); return lm3533_ctrlbank_disable(&bl->cb); } -static int lm3533_bl_resume(struct platform_device *pdev) +static int lm3533_bl_resume(struct device *dev) { - struct lm3533_bl *bl = platform_get_drvdata(pdev); + struct lm3533_bl *bl = dev_get_drvdata(dev); - dev_dbg(&pdev->dev, "%s\n", __func__); + dev_dbg(dev, "%s\n", __func__); return lm3533_ctrlbank_enable(&bl->cb); } -#else -#define lm3533_bl_suspend NULL -#define lm3533_bl_resume NULL #endif +static SIMPLE_DEV_PM_OPS(lm3533_bl_pm_ops, lm3533_bl_suspend, lm3533_bl_resume); + static void lm3533_bl_shutdown(struct platform_device *pdev) { struct lm3533_bl *bl = platform_get_drvdata(pdev); @@ -404,12 +403,11 @@ static struct platform_driver lm3533_bl_driver = { .driver = { .name = "lm3533-backlight", .owner = THIS_MODULE, + .pm = &lm3533_bl_pm_ops, }, .probe = lm3533_bl_probe, .remove = lm3533_bl_remove, .shutdown = lm3533_bl_shutdown, - .suspend = lm3533_bl_suspend, - .resume = lm3533_bl_resume, }; module_platform_driver(lm3533_bl_driver); diff --git a/drivers/video/backlight/lms501kf03.c b/drivers/video/backlight/lms501kf03.c index b43882abefa..cf01b9ac813 100644 --- a/drivers/video/backlight/lms501kf03.c +++ b/drivers/video/backlight/lms501kf03.c @@ -387,13 +387,12 @@ static int lms501kf03_remove(struct spi_device *spi) return 0; } -#if defined(CONFIG_PM) - -static int lms501kf03_suspend(struct spi_device *spi, pm_message_t mesg) +#ifdef CONFIG_PM_SLEEP +static int lms501kf03_suspend(struct device *dev) { - struct lms501kf03 *lcd = spi_get_drvdata(spi); + struct lms501kf03 *lcd = dev_get_drvdata(dev); - dev_dbg(&spi->dev, "lcd->power = %d\n", lcd->power); + dev_dbg(dev, "lcd->power = %d\n", lcd->power); /* * when lcd panel is suspend, lcd panel becomes off @@ -402,19 +401,19 @@ static int lms501kf03_suspend(struct spi_device *spi, pm_message_t mesg) return lms501kf03_power(lcd, FB_BLANK_POWERDOWN); } -static int lms501kf03_resume(struct spi_device *spi) +static int lms501kf03_resume(struct device *dev) { - struct lms501kf03 *lcd = spi_get_drvdata(spi); + struct lms501kf03 *lcd = dev_get_drvdata(dev); lcd->power = FB_BLANK_POWERDOWN; return lms501kf03_power(lcd, FB_BLANK_UNBLANK); } -#else -#define lms501kf03_suspend NULL -#define lms501kf03_resume NULL #endif +static SIMPLE_DEV_PM_OPS(lms501kf03_pm_ops, lms501kf03_suspend, + lms501kf03_resume); + static void lms501kf03_shutdown(struct spi_device *spi) { struct lms501kf03 *lcd = spi_get_drvdata(spi); @@ -426,12 +425,11 @@ static struct spi_driver lms501kf03_driver = { .driver = { .name = "lms501kf03", .owner = THIS_MODULE, + .pm = &lms501kf03_pm_ops, }, .probe = lms501kf03_probe, .remove = lms501kf03_remove, .shutdown = lms501kf03_shutdown, - .suspend = lms501kf03_suspend, - .resume = lms501kf03_resume, }; module_spi_driver(lms501kf03_driver); diff --git a/drivers/video/backlight/locomolcd.c b/drivers/video/backlight/locomolcd.c index 146fea8aa43..6c3ec4259a6 100644 --- a/drivers/video/backlight/locomolcd.c +++ b/drivers/video/backlight/locomolcd.c @@ -157,25 +157,24 @@ static const struct backlight_ops locomobl_data = { .update_status = locomolcd_set_intensity, }; -#ifdef CONFIG_PM -static int locomolcd_suspend(struct locomo_dev *dev, pm_message_t state) +#ifdef CONFIG_PM_SLEEP +static int locomolcd_suspend(struct device *dev) { locomolcd_flags |= LOCOMOLCD_SUSPENDED; locomolcd_set_intensity(locomolcd_bl_device); return 0; } -static int locomolcd_resume(struct locomo_dev *dev) +static int locomolcd_resume(struct device *dev) { locomolcd_flags &= ~LOCOMOLCD_SUSPENDED; locomolcd_set_intensity(locomolcd_bl_device); return 0; } -#else -#define locomolcd_suspend NULL -#define locomolcd_resume NULL #endif +static SIMPLE_DEV_PM_OPS(locomolcd_pm_ops, locomolcd_suspend, locomolcd_resume); + static int locomolcd_probe(struct locomo_dev *ldev) { struct backlight_properties props; @@ -230,13 +229,12 @@ static int locomolcd_remove(struct locomo_dev *dev) static struct locomo_driver poodle_lcd_driver = { .drv = { - .name = "locomo-backlight", + .name = "locomo-backlight", + .pm = &locomolcd_pm_ops, }, .devid = LOCOMO_DEVID_BACKLIGHT, .probe = locomolcd_probe, .remove = locomolcd_remove, - .suspend = locomolcd_suspend, - .resume = locomolcd_resume, }; static int __init locomolcd_init(void) diff --git a/drivers/video/backlight/lp855x_bl.c b/drivers/video/backlight/lp855x_bl.c index 7ae9ae6f465..a0e1e02bdc2 100644 --- a/drivers/video/backlight/lp855x_bl.c +++ b/drivers/video/backlight/lp855x_bl.c @@ -14,6 +14,7 @@ #include <linux/i2c.h> #include <linux/backlight.h> #include <linux/err.h> +#include <linux/of.h> #include <linux/platform_data/lp855x.h> #include <linux/pwm.h> @@ -35,10 +36,14 @@ #define LP8557_EPROM_START 0x10 #define LP8557_EPROM_END 0x1E -#define BUF_SIZE 20 #define DEFAULT_BL_NAME "lcd-backlight" #define MAX_BRIGHTNESS 255 +enum lp855x_brightness_ctrl_mode { + PWM_BASED = 1, + REGISTER_BASED, +}; + struct lp855x; /* @@ -58,6 +63,7 @@ struct lp855x_device_config { struct lp855x { const char *chipname; enum lp855x_chip_id chip_id; + enum lp855x_brightness_ctrl_mode mode; struct lp855x_device_config *cfg; struct i2c_client *client; struct backlight_device *bl; @@ -187,7 +193,7 @@ static int lp855x_configure(struct lp855x *lp) if (ret) goto err; - if (pd->load_new_rom_data && pd->size_program) { + if (pd->size_program > 0) { for (i = 0; i < pd->size_program; i++) { addr = pd->rom_data[i].addr; val = pd->rom_data[i].val; @@ -239,18 +245,17 @@ static void lp855x_pwm_ctrl(struct lp855x *lp, int br, int max_br) static int lp855x_bl_update_status(struct backlight_device *bl) { struct lp855x *lp = bl_get_data(bl); - enum lp855x_brightness_ctrl_mode mode = lp->pdata->mode; if (bl->props.state & BL_CORE_SUSPENDED) bl->props.brightness = 0; - if (mode == PWM_BASED) { + if (lp->mode == PWM_BASED) { int br = bl->props.brightness; int max_br = bl->props.max_brightness; lp855x_pwm_ctrl(lp, br, max_br); - } else if (mode == REGISTER_BASED) { + } else if (lp->mode == REGISTER_BASED) { u8 val = bl->props.brightness; lp855x_write_byte(lp, lp->cfg->reg_brightness, val); } @@ -274,7 +279,7 @@ static int lp855x_backlight_register(struct lp855x *lp) struct backlight_device *bl; struct backlight_properties props; struct lp855x_platform_data *pdata = lp->pdata; - char *name = pdata->name ? : DEFAULT_BL_NAME; + const char *name = pdata->name ? : DEFAULT_BL_NAME; props.type = BACKLIGHT_PLATFORM; props.max_brightness = MAX_BRIGHTNESS; @@ -304,22 +309,21 @@ static ssize_t lp855x_get_chip_id(struct device *dev, struct device_attribute *attr, char *buf) { struct lp855x *lp = dev_get_drvdata(dev); - return scnprintf(buf, BUF_SIZE, "%s\n", lp->chipname); + return scnprintf(buf, PAGE_SIZE, "%s\n", lp->chipname); } static ssize_t lp855x_get_bl_ctl_mode(struct device *dev, struct device_attribute *attr, char *buf) { struct lp855x *lp = dev_get_drvdata(dev); - enum lp855x_brightness_ctrl_mode mode = lp->pdata->mode; char *strmode = NULL; - if (mode == PWM_BASED) + if (lp->mode == PWM_BASED) strmode = "pwm based"; - else if (mode == REGISTER_BASED) + else if (lp->mode == REGISTER_BASED) strmode = "register based"; - return scnprintf(buf, BUF_SIZE, "%s\n", strmode); + return scnprintf(buf, PAGE_SIZE, "%s\n", strmode); } static DEVICE_ATTR(chip_id, S_IRUGO, lp855x_get_chip_id, NULL); @@ -335,16 +339,71 @@ static const struct attribute_group lp855x_attr_group = { .attrs = lp855x_attributes, }; +#ifdef CONFIG_OF +static int lp855x_parse_dt(struct device *dev, struct device_node *node) +{ + struct lp855x_platform_data *pdata; + int rom_length; + + if (!node) { + dev_err(dev, "no platform data\n"); + return -EINVAL; + } + + pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL); + if (!pdata) + return -ENOMEM; + + of_property_read_string(node, "bl-name", &pdata->name); + of_property_read_u8(node, "dev-ctrl", &pdata->device_control); + of_property_read_u8(node, "init-brt", &pdata->initial_brightness); + of_property_read_u32(node, "pwm-period", &pdata->period_ns); + + /* Fill ROM platform data if defined */ + rom_length = of_get_child_count(node); + if (rom_length > 0) { + struct lp855x_rom_data *rom; + struct device_node *child; + int i = 0; + + rom = devm_kzalloc(dev, sizeof(*rom) * rom_length, GFP_KERNEL); + if (!rom) + return -ENOMEM; + + for_each_child_of_node(node, child) { + of_property_read_u8(child, "rom-addr", &rom[i].addr); + of_property_read_u8(child, "rom-val", &rom[i].val); + i++; + } + + pdata->size_program = rom_length; + pdata->rom_data = &rom[0]; + } + + dev->platform_data = pdata; + + return 0; +} +#else +static int lp855x_parse_dt(struct device *dev, struct device_node *node) +{ + return -EINVAL; +} +#endif + static int lp855x_probe(struct i2c_client *cl, const struct i2c_device_id *id) { struct lp855x *lp; struct lp855x_platform_data *pdata = cl->dev.platform_data; - enum lp855x_brightness_ctrl_mode mode; + struct device_node *node = cl->dev.of_node; int ret; if (!pdata) { - dev_err(&cl->dev, "no platform data supplied\n"); - return -EINVAL; + ret = lp855x_parse_dt(&cl->dev, node); + if (ret < 0) + return ret; + + pdata = cl->dev.platform_data; } if (!i2c_check_functionality(cl->adapter, I2C_FUNC_SMBUS_I2C_BLOCK)) @@ -354,7 +413,11 @@ static int lp855x_probe(struct i2c_client *cl, const struct i2c_device_id *id) if (!lp) return -ENOMEM; - mode = pdata->mode; + if (pdata->period_ns > 0) + lp->mode = PWM_BASED; + else + lp->mode = REGISTER_BASED; + lp->client = cl; lp->dev = &cl->dev; lp->pdata = pdata; @@ -402,6 +465,17 @@ static int lp855x_remove(struct i2c_client *cl) return 0; } +static const struct of_device_id lp855x_dt_ids[] = { + { .compatible = "ti,lp8550", }, + { .compatible = "ti,lp8551", }, + { .compatible = "ti,lp8552", }, + { .compatible = "ti,lp8553", }, + { .compatible = "ti,lp8556", }, + { .compatible = "ti,lp8557", }, + { } +}; +MODULE_DEVICE_TABLE(of, lp855x_dt_ids); + static const struct i2c_device_id lp855x_ids[] = { {"lp8550", LP8550}, {"lp8551", LP8551}, @@ -416,6 +490,7 @@ MODULE_DEVICE_TABLE(i2c, lp855x_ids); static struct i2c_driver lp855x_driver = { .driver = { .name = "lp855x", + .of_match_table = of_match_ptr(lp855x_dt_ids), }, .probe = lp855x_probe, .remove = lp855x_remove, diff --git a/drivers/video/backlight/ltv350qv.c b/drivers/video/backlight/ltv350qv.c index c0b4b8f2de9..ed1b3926813 100644 --- a/drivers/video/backlight/ltv350qv.c +++ b/drivers/video/backlight/ltv350qv.c @@ -271,25 +271,24 @@ static int ltv350qv_remove(struct spi_device *spi) return 0; } -#ifdef CONFIG_PM -static int ltv350qv_suspend(struct spi_device *spi, pm_message_t state) +#ifdef CONFIG_PM_SLEEP +static int ltv350qv_suspend(struct device *dev) { - struct ltv350qv *lcd = spi_get_drvdata(spi); + struct ltv350qv *lcd = dev_get_drvdata(dev); return ltv350qv_power(lcd, FB_BLANK_POWERDOWN); } -static int ltv350qv_resume(struct spi_device *spi) +static int ltv350qv_resume(struct device *dev) { - struct ltv350qv *lcd = spi_get_drvdata(spi); + struct ltv350qv *lcd = dev_get_drvdata(dev); return ltv350qv_power(lcd, FB_BLANK_UNBLANK); } -#else -#define ltv350qv_suspend NULL -#define ltv350qv_resume NULL #endif +static SIMPLE_DEV_PM_OPS(ltv350qv_pm_ops, ltv350qv_suspend, ltv350qv_resume); + /* Power down all displays on reboot, poweroff or halt */ static void ltv350qv_shutdown(struct spi_device *spi) { @@ -302,13 +301,12 @@ static struct spi_driver ltv350qv_driver = { .driver = { .name = "ltv350qv", .owner = THIS_MODULE, + .pm = <v350qv_pm_ops, }, .probe = ltv350qv_probe, .remove = ltv350qv_remove, .shutdown = ltv350qv_shutdown, - .suspend = ltv350qv_suspend, - .resume = ltv350qv_resume, }; module_spi_driver(ltv350qv_driver); diff --git a/drivers/video/backlight/omap1_bl.c b/drivers/video/backlight/omap1_bl.c index 62711016306..812e22e35ca 100644 --- a/drivers/video/backlight/omap1_bl.c +++ b/drivers/video/backlight/omap1_bl.c @@ -18,8 +18,6 @@ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - #include <linux/module.h> #include <linux/kernel.h> #include <linux/init.h> @@ -73,27 +71,24 @@ static void omapbl_blank(struct omap_backlight *bl, int mode) } } -#ifdef CONFIG_PM -static int omapbl_suspend(struct platform_device *pdev, pm_message_t state) +#ifdef CONFIG_PM_SLEEP +static int omapbl_suspend(struct device *dev) { - struct backlight_device *dev = platform_get_drvdata(pdev); - struct omap_backlight *bl = bl_get_data(dev); + struct backlight_device *bl_dev = dev_get_drvdata(dev); + struct omap_backlight *bl = bl_get_data(bl_dev); omapbl_blank(bl, FB_BLANK_POWERDOWN); return 0; } -static int omapbl_resume(struct platform_device *pdev) +static int omapbl_resume(struct device *dev) { - struct backlight_device *dev = platform_get_drvdata(pdev); - struct omap_backlight *bl = bl_get_data(dev); + struct backlight_device *bl_dev = dev_get_drvdata(dev); + struct omap_backlight *bl = bl_get_data(bl_dev); omapbl_blank(bl, bl->powermode); return 0; } -#else -#define omapbl_suspend NULL -#define omapbl_resume NULL #endif static int omapbl_set_power(struct backlight_device *dev, int state) @@ -170,7 +165,7 @@ static int omapbl_probe(struct platform_device *pdev) dev->props.brightness = pdata->default_intensity; omapbl_update_status(dev); - pr_info("OMAP LCD backlight initialised\n"); + dev_info(&pdev->dev, "OMAP LCD backlight initialised\n"); return 0; } @@ -184,13 +179,14 @@ static int omapbl_remove(struct platform_device *pdev) return 0; } +static SIMPLE_DEV_PM_OPS(omapbl_pm_ops, omapbl_suspend, omapbl_resume); + static struct platform_driver omapbl_driver = { .probe = omapbl_probe, .remove = omapbl_remove, - .suspend = omapbl_suspend, - .resume = omapbl_resume, .driver = { .name = "omap-bl", + .pm = &omapbl_pm_ops, }, }; diff --git a/drivers/video/backlight/platform_lcd.c b/drivers/video/backlight/platform_lcd.c index 17a6b83f97a..05683670670 100644 --- a/drivers/video/backlight/platform_lcd.c +++ b/drivers/video/backlight/platform_lcd.c @@ -86,6 +86,12 @@ static int platform_lcd_probe(struct platform_device *pdev) return -EINVAL; } + if (pdata->probe) { + err = pdata->probe(pdata); + if (err) + return err; + } + plcd = devm_kzalloc(&pdev->dev, sizeof(struct platform_lcd), GFP_KERNEL); if (!plcd) { @@ -121,7 +127,7 @@ static int platform_lcd_remove(struct platform_device *pdev) return 0; } -#ifdef CONFIG_PM +#ifdef CONFIG_PM_SLEEP static int platform_lcd_suspend(struct device *dev) { struct platform_lcd *plcd = dev_get_drvdata(dev); @@ -141,10 +147,10 @@ static int platform_lcd_resume(struct device *dev) return 0; } +#endif static SIMPLE_DEV_PM_OPS(platform_lcd_pm_ops, platform_lcd_suspend, platform_lcd_resume); -#endif #ifdef CONFIG_OF static const struct of_device_id platform_lcd_of_match[] = { @@ -158,9 +164,7 @@ static struct platform_driver platform_lcd_driver = { .driver = { .name = "platform-lcd", .owner = THIS_MODULE, -#ifdef CONFIG_PM .pm = &platform_lcd_pm_ops, -#endif .of_match_table = of_match_ptr(platform_lcd_of_match), }, .probe = platform_lcd_probe, diff --git a/drivers/video/backlight/s6e63m0.c b/drivers/video/backlight/s6e63m0.c index 9c2677f0ef7..b37bb1854bf 100644 --- a/drivers/video/backlight/s6e63m0.c +++ b/drivers/video/backlight/s6e63m0.c @@ -817,12 +817,12 @@ static int s6e63m0_remove(struct spi_device *spi) return 0; } -#if defined(CONFIG_PM) -static int s6e63m0_suspend(struct spi_device *spi, pm_message_t mesg) +#ifdef CONFIG_PM_SLEEP +static int s6e63m0_suspend(struct device *dev) { - struct s6e63m0 *lcd = spi_get_drvdata(spi); + struct s6e63m0 *lcd = dev_get_drvdata(dev); - dev_dbg(&spi->dev, "lcd->power = %d\n", lcd->power); + dev_dbg(dev, "lcd->power = %d\n", lcd->power); /* * when lcd panel is suspend, lcd panel becomes off @@ -831,19 +831,18 @@ static int s6e63m0_suspend(struct spi_device *spi, pm_message_t mesg) return s6e63m0_power(lcd, FB_BLANK_POWERDOWN); } -static int s6e63m0_resume(struct spi_device *spi) +static int s6e63m0_resume(struct device *dev) { - struct s6e63m0 *lcd = spi_get_drvdata(spi); + struct s6e63m0 *lcd = dev_get_drvdata(dev); lcd->power = FB_BLANK_POWERDOWN; return s6e63m0_power(lcd, FB_BLANK_UNBLANK); } -#else -#define s6e63m0_suspend NULL -#define s6e63m0_resume NULL #endif +static SIMPLE_DEV_PM_OPS(s6e63m0_pm_ops, s6e63m0_suspend, s6e63m0_resume); + /* Power down all displays on reboot, poweroff or halt. */ static void s6e63m0_shutdown(struct spi_device *spi) { @@ -856,12 +855,11 @@ static struct spi_driver s6e63m0_driver = { .driver = { .name = "s6e63m0", .owner = THIS_MODULE, + .pm = &s6e63m0_pm_ops, }, .probe = s6e63m0_probe, .remove = s6e63m0_remove, .shutdown = s6e63m0_shutdown, - .suspend = s6e63m0_suspend, - .resume = s6e63m0_resume, }; module_spi_driver(s6e63m0_driver); diff --git a/drivers/video/backlight/tdo24m.c b/drivers/video/backlight/tdo24m.c index 00162085eec..18cdf466d50 100644 --- a/drivers/video/backlight/tdo24m.c +++ b/drivers/video/backlight/tdo24m.c @@ -412,25 +412,24 @@ static int tdo24m_remove(struct spi_device *spi) return 0; } -#ifdef CONFIG_PM -static int tdo24m_suspend(struct spi_device *spi, pm_message_t state) +#ifdef CONFIG_PM_SLEEP +static int tdo24m_suspend(struct device *dev) { - struct tdo24m *lcd = spi_get_drvdata(spi); + struct tdo24m *lcd = dev_get_drvdata(dev); return tdo24m_power(lcd, FB_BLANK_POWERDOWN); } -static int tdo24m_resume(struct spi_device *spi) +static int tdo24m_resume(struct device *dev) { - struct tdo24m *lcd = spi_get_drvdata(spi); + struct tdo24m *lcd = dev_get_drvdata(dev); return tdo24m_power(lcd, FB_BLANK_UNBLANK); } -#else -#define tdo24m_suspend NULL -#define tdo24m_resume NULL #endif +static SIMPLE_DEV_PM_OPS(tdo24m_pm_ops, tdo24m_suspend, tdo24m_resume); + /* Power down all displays on reboot, poweroff or halt */ static void tdo24m_shutdown(struct spi_device *spi) { @@ -443,12 +442,11 @@ static struct spi_driver tdo24m_driver = { .driver = { .name = "tdo24m", .owner = THIS_MODULE, + .pm = &tdo24m_pm_ops, }, .probe = tdo24m_probe, .remove = tdo24m_remove, .shutdown = tdo24m_shutdown, - .suspend = tdo24m_suspend, - .resume = tdo24m_resume, }; module_spi_driver(tdo24m_driver); diff --git a/drivers/video/backlight/tosa_bl.c b/drivers/video/backlight/tosa_bl.c index 2326fa810c5..9df66ac68b3 100644 --- a/drivers/video/backlight/tosa_bl.c +++ b/drivers/video/backlight/tosa_bl.c @@ -134,28 +134,27 @@ static int tosa_bl_remove(struct i2c_client *client) return 0; } -#ifdef CONFIG_PM -static int tosa_bl_suspend(struct i2c_client *client, pm_message_t pm) +#ifdef CONFIG_PM_SLEEP +static int tosa_bl_suspend(struct device *dev) { - struct tosa_bl_data *data = i2c_get_clientdata(client); + struct tosa_bl_data *data = dev_get_drvdata(dev); tosa_bl_set_backlight(data, 0); return 0; } -static int tosa_bl_resume(struct i2c_client *client) +static int tosa_bl_resume(struct device *dev) { - struct tosa_bl_data *data = i2c_get_clientdata(client); + struct tosa_bl_data *data = dev_get_drvdata(dev); backlight_update_status(data->bl); return 0; } -#else -#define tosa_bl_suspend NULL -#define tosa_bl_resume NULL #endif +static SIMPLE_DEV_PM_OPS(tosa_bl_pm_ops, tosa_bl_suspend, tosa_bl_resume); + static const struct i2c_device_id tosa_bl_id[] = { { "tosa-bl", 0 }, { }, @@ -165,11 +164,10 @@ static struct i2c_driver tosa_bl_driver = { .driver = { .name = "tosa-bl", .owner = THIS_MODULE, + .pm = &tosa_bl_pm_ops, }, .probe = tosa_bl_probe, .remove = tosa_bl_remove, - .suspend = tosa_bl_suspend, - .resume = tosa_bl_resume, .id_table = tosa_bl_id, }; diff --git a/drivers/video/backlight/tosa_lcd.c b/drivers/video/backlight/tosa_lcd.c index 666fe2593ea..bf081573e5b 100644 --- a/drivers/video/backlight/tosa_lcd.c +++ b/drivers/video/backlight/tosa_lcd.c @@ -240,19 +240,19 @@ static int tosa_lcd_remove(struct spi_device *spi) return 0; } -#ifdef CONFIG_PM -static int tosa_lcd_suspend(struct spi_device *spi, pm_message_t state) +#ifdef CONFIG_PM_SLEEP +static int tosa_lcd_suspend(struct device *dev) { - struct tosa_lcd_data *data = spi_get_drvdata(spi); + struct tosa_lcd_data *data = dev_get_drvdata(dev); tosa_lcd_tg_off(data); return 0; } -static int tosa_lcd_resume(struct spi_device *spi) +static int tosa_lcd_resume(struct device *dev) { - struct tosa_lcd_data *data = spi_get_drvdata(spi); + struct tosa_lcd_data *data = dev_get_drvdata(dev); tosa_lcd_tg_init(data); if (POWER_IS_ON(data->lcd_power)) @@ -262,20 +262,18 @@ static int tosa_lcd_resume(struct spi_device *spi) return 0; } -#else -#define tosa_lcd_suspend NULL -#define tosa_lcd_resume NULL #endif +static SIMPLE_DEV_PM_OPS(tosa_lcd_pm_ops, tosa_lcd_suspend, tosa_lcd_resume); + static struct spi_driver tosa_lcd_driver = { .driver = { .name = "tosa-lcd", .owner = THIS_MODULE, + .pm = &tosa_lcd_pm_ops, }, .probe = tosa_lcd_probe, .remove = tosa_lcd_remove, - .suspend = tosa_lcd_suspend, - .resume = tosa_lcd_resume, }; module_spi_driver(tosa_lcd_driver); diff --git a/drivers/video/backlight/tps65217_bl.c b/drivers/video/backlight/tps65217_bl.c index 70881633b45..05782312aeb 100644 --- a/drivers/video/backlight/tps65217_bl.c +++ b/drivers/video/backlight/tps65217_bl.c @@ -245,6 +245,18 @@ tps65217_bl_parse_dt(struct platform_device *pdev) } } + if (!of_property_read_u32(node, "default-brightness", &val)) { + if (val < 0 || + val > 100) { + dev_err(&pdev->dev, + "invalid 'default-brightness' value in the device tree\n"); + err = ERR_PTR(-EINVAL); + goto err; + } + + pdata->dft_brightness = val; + } + of_node_put(node); return pdata; @@ -311,7 +323,8 @@ static int tps65217_bl_probe(struct platform_device *pdev) return PTR_ERR(tps65217_bl->bl); } - tps65217_bl->bl->props.brightness = 0; + tps65217_bl->bl->props.brightness = pdata->dft_brightness; + backlight_update_status(tps65217_bl->bl); platform_set_drvdata(pdev, tps65217_bl); return 0; diff --git a/drivers/video/backlight/vgg2432a4.c b/drivers/video/backlight/vgg2432a4.c index 84d582f591d..d538947a67d 100644 --- a/drivers/video/backlight/vgg2432a4.c +++ b/drivers/video/backlight/vgg2432a4.c @@ -205,18 +205,15 @@ static int vgg2432a4_lcd_init(struct ili9320 *lcd, return ret; } -#ifdef CONFIG_PM -static int vgg2432a4_suspend(struct spi_device *spi, pm_message_t state) +#ifdef CONFIG_PM_SLEEP +static int vgg2432a4_suspend(struct device *dev) { - return ili9320_suspend(spi_get_drvdata(spi), state); + return ili9320_suspend(dev_get_drvdata(dev)); } -static int vgg2432a4_resume(struct spi_device *spi) +static int vgg2432a4_resume(struct device *dev) { - return ili9320_resume(spi_get_drvdata(spi)); + return ili9320_resume(dev_get_drvdata(dev)); } -#else -#define vgg2432a4_suspend NULL -#define vgg2432a4_resume NULL #endif static struct ili9320_client vgg2432a4_client = { @@ -249,16 +246,17 @@ static void vgg2432a4_shutdown(struct spi_device *spi) ili9320_shutdown(spi_get_drvdata(spi)); } +static SIMPLE_DEV_PM_OPS(vgg2432a4_pm_ops, vgg2432a4_suspend, vgg2432a4_resume); + static struct spi_driver vgg2432a4_driver = { .driver = { .name = "VGG2432A4", .owner = THIS_MODULE, + .pm = &vgg2432a4_pm_ops, }, .probe = vgg2432a4_probe, .remove = vgg2432a4_remove, .shutdown = vgg2432a4_shutdown, - .suspend = vgg2432a4_suspend, - .resume = vgg2432a4_resume, }; module_spi_driver(vgg2432a4_driver); diff --git a/drivers/video/bfin_adv7393fb.c b/drivers/video/bfin_adv7393fb.c index 8d411a3c996..a54f7f7d763 100644 --- a/drivers/video/bfin_adv7393fb.c +++ b/drivers/video/bfin_adv7393fb.c @@ -333,29 +333,23 @@ static int proc_output(char *buf) return p - buf; } -static int -adv7393_read_proc(char *page, char **start, off_t off, - int count, int *eof, void *data) +static ssize_t +adv7393_read_proc(struct file *file, char __user *buf, + size_t size, loff_t *ppos) { - int len; - - len = proc_output(page); - if (len <= off + count) - *eof = 1; - *start = page + off; - len -= off; - if (len > count) - len = count; - if (len < 0) - len = 0; - return len; + static const char message[] = "Usage:\n" + "echo 0x[REG][Value] > adv7393\n" + "example: echo 0x1234 >adv7393\n" + "writes 0x34 into Register 0x12\n"; + return simple_read_from_buffer(buf, size, ppos, message, + sizeof(message)); } -static int +static ssize_t adv7393_write_proc(struct file *file, const char __user * buffer, - size_t count, void *data) + size_t count, loff_t *ppos) { - struct adv7393fb_device *fbdev = data; + struct adv7393fb_device *fbdev = PDE_DATA(file_inode(file)); unsigned int val; int ret; @@ -368,6 +362,12 @@ adv7393_write_proc(struct file *file, const char __user * buffer, return count; } +static const struct file_operations fops = { + .read = adv7393_read_proc, + .write = adv7393_write_proc, + .llseek = default_llseek, +}; + static int bfin_adv7393_fb_probe(struct i2c_client *client, const struct i2c_device_id *id) { @@ -506,17 +506,12 @@ static int bfin_adv7393_fb_probe(struct i2c_client *client, fbdev->info.node, fbdev->info.fix.id); dev_info(&client->dev, "fb memory address : 0x%p\n", fbdev->fb_mem); - entry = create_proc_entry("driver/adv7393", 0, NULL); + entry = proc_create_data("driver/adv7393", 0, NULL, &fops, fbdev); if (!entry) { dev_err(&client->dev, "unable to create /proc entry\n"); ret = -EFAULT; goto free_fb; } - - entry->read_proc = adv7393_read_proc; - entry->write_proc = adv7393_write_proc; - entry->data = fbdev; - return 0; free_fb: diff --git a/drivers/video/cirrusfb.c b/drivers/video/cirrusfb.c index c3dbbe6e3ac..97db3ba8f23 100644 --- a/drivers/video/cirrusfb.c +++ b/drivers/video/cirrusfb.c @@ -53,12 +53,6 @@ #ifdef CONFIG_AMIGA #include <asm/amigahw.h> #endif -#ifdef CONFIG_PPC_PREP -#include <asm/machdep.h> -#define isPReP machine_is(prep) -#else -#define isPReP 0 -#endif #include <video/vga.h> #include <video/cirrus.h> @@ -557,30 +551,18 @@ static int cirrusfb_check_var(struct fb_var_screeninfo *var, break; case 16: - if (isPReP) { - var->red.offset = 2; - var->green.offset = -3; - var->blue.offset = 8; - } else { - var->red.offset = 11; - var->green.offset = 5; - var->blue.offset = 0; - } + var->red.offset = 11; + var->green.offset = 5; + var->blue.offset = 0; var->red.length = 5; var->green.length = 6; var->blue.length = 5; break; case 24: - if (isPReP) { - var->red.offset = 0; - var->green.offset = 8; - var->blue.offset = 16; - } else { - var->red.offset = 16; - var->green.offset = 8; - var->blue.offset = 0; - } + var->red.offset = 16; + var->green.offset = 8; + var->blue.offset = 0; var->red.length = 8; var->green.length = 8; var->blue.length = 8; @@ -1874,17 +1856,6 @@ static void cirrusfb_imageblit(struct fb_info *info, } } -#ifdef CONFIG_PPC_PREP -#define PREP_VIDEO_BASE ((volatile unsigned long) 0xC0000000) -#define PREP_IO_BASE ((volatile unsigned char *) 0x80000000) -static void get_prep_addrs(unsigned long *display, unsigned long *registers) -{ - *display = PREP_VIDEO_BASE; - *registers = (unsigned long) PREP_IO_BASE; -} - -#endif /* CONFIG_PPC_PREP */ - #ifdef CONFIG_PCI static int release_io_ports; @@ -2139,21 +2110,12 @@ static int cirrusfb_pci_register(struct pci_dev *pdev, dev_dbg(info->device, " base address 1 is 0x%Lx\n", (unsigned long long)pdev->resource[1].start); - if (isPReP) { - pci_write_config_dword(pdev, PCI_BASE_ADDRESS_0, 0x00000000); -#ifdef CONFIG_PPC_PREP - get_prep_addrs(&board_addr, &info->fix.mmio_start); -#endif - /* PReP dies if we ioremap the IO registers, but it works w/out... */ - cinfo->regbase = (char __iomem *) info->fix.mmio_start; - } else { - dev_dbg(info->device, - "Attempt to get PCI info for Cirrus Graphics Card\n"); - get_pci_addrs(pdev, &board_addr, &info->fix.mmio_start); - /* FIXME: this forces VGA. alternatives? */ - cinfo->regbase = NULL; - cinfo->laguna_mmio = ioremap(info->fix.mmio_start, 0x1000); - } + dev_dbg(info->device, + "Attempt to get PCI info for Cirrus Graphics Card\n"); + get_pci_addrs(pdev, &board_addr, &info->fix.mmio_start); + /* FIXME: this forces VGA. alternatives? */ + cinfo->regbase = NULL; + cinfo->laguna_mmio = ioremap(info->fix.mmio_start, 0x1000); dev_dbg(info->device, "Board address: 0x%lx, register address: 0x%lx\n", board_addr, info->fix.mmio_start); diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c index 3cd67592782..a92783e480e 100644 --- a/drivers/video/console/fbcon.c +++ b/drivers/video/console/fbcon.c @@ -1228,6 +1228,8 @@ static void fbcon_deinit(struct vc_data *vc) finished: fbcon_free_font(p, free_font); + if (free_font) + vc->vc_font.data = NULL; if (!con_is_bound(&fb_con)) fbcon_exit(); diff --git a/drivers/video/console/fbcon_cw.c b/drivers/video/console/fbcon_cw.c index 6a737827beb..a93670ef7f8 100644 --- a/drivers/video/console/fbcon_cw.c +++ b/drivers/video/console/fbcon_cw.c @@ -27,7 +27,7 @@ static void cw_update_attr(u8 *dst, u8 *src, int attribute, { int i, j, offset = (vc->vc_font.height < 10) ? 1 : 2; int width = (vc->vc_font.height + 7) >> 3; - u8 c, t = 0, msk = ~(0xff >> offset); + u8 c, msk = ~(0xff >> offset); for (i = 0; i < vc->vc_font.width; i++) { for (j = 0; j < width; j++) { @@ -40,7 +40,6 @@ static void cw_update_attr(u8 *dst, u8 *src, int attribute, c = ~c; src++; *dst++ = c; - t = c; } } } diff --git a/drivers/video/controlfb.c b/drivers/video/controlfb.c index 0c189b32a4c..67b77b40aa7 100644 --- a/drivers/video/controlfb.c +++ b/drivers/video/controlfb.c @@ -285,36 +285,26 @@ static int controlfb_pan_display(struct fb_var_screeninfo *var, static int controlfb_mmap(struct fb_info *info, struct vm_area_struct *vma) { - unsigned long off, start; - u32 len; - - off = vma->vm_pgoff << PAGE_SHIFT; - - /* frame buffer memory */ - start = info->fix.smem_start; - len = PAGE_ALIGN((start & ~PAGE_MASK)+info->fix.smem_len); - if (off >= len) { - /* memory mapped io */ - off -= len; - if (info->var.accel_flags) - return -EINVAL; - start = info->fix.mmio_start; - len = PAGE_ALIGN((start & ~PAGE_MASK)+info->fix.mmio_len); - vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); - } else { - /* framebuffer */ - vma->vm_page_prot = pgprot_cached_wthru(vma->vm_page_prot); - } - start &= PAGE_MASK; - if ((vma->vm_end - vma->vm_start + off) > len) - return -EINVAL; - off += start; - vma->vm_pgoff = off >> PAGE_SHIFT; - if (io_remap_pfn_range(vma, vma->vm_start, off >> PAGE_SHIFT, - vma->vm_end - vma->vm_start, vma->vm_page_prot)) - return -EAGAIN; - - return 0; + unsigned long mmio_pgoff; + unsigned long start; + u32 len; + + start = info->fix.smem_start; + len = info->fix.smem_len; + mmio_pgoff = PAGE_ALIGN((start & ~PAGE_MASK) + len) >> PAGE_SHIFT; + if (vma->vm_pgoff >= mmio_pgoff) { + if (info->var.accel_flags) + return -EINVAL; + vma->vm_pgoff -= mmio_pgoff; + start = info->fix.mmio_start; + len = info->fix.mmio_len; + vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); + } else { + /* framebuffer */ + vma->vm_page_prot = pgprot_cached_wthru(vma->vm_page_prot); + } + + return vm_iomap_memory(vma, start, len); } static int controlfb_blank(int blank_mode, struct fb_info *info) diff --git a/drivers/video/ep93xx-fb.c b/drivers/video/ep93xx-fb.c index 3f2519d3071..ee1ee540154 100644 --- a/drivers/video/ep93xx-fb.c +++ b/drivers/video/ep93xx-fb.c @@ -23,6 +23,7 @@ #include <linux/slab.h> #include <linux/clk.h> #include <linux/fb.h> +#include <linux/io.h> #include <linux/platform_data/video-ep93xx.h> @@ -418,7 +419,7 @@ static struct fb_ops ep93xxfb_ops = { .fb_mmap = ep93xxfb_mmap, }; -static int __init ep93xxfb_calc_fbsize(struct ep93xxfb_mach_info *mach_info) +static int ep93xxfb_calc_fbsize(struct ep93xxfb_mach_info *mach_info) { int i, fb_size = 0; @@ -440,7 +441,7 @@ static int __init ep93xxfb_calc_fbsize(struct ep93xxfb_mach_info *mach_info) return fb_size; } -static int __init ep93xxfb_alloc_videomem(struct fb_info *info) +static int ep93xxfb_alloc_videomem(struct fb_info *info) { struct ep93xx_fbi *fbi = info->par; char __iomem *virt_addr; @@ -626,19 +627,7 @@ static struct platform_driver ep93xxfb_driver = { .owner = THIS_MODULE, }, }; - -static int ep93xxfb_init(void) -{ - return platform_driver_register(&ep93xxfb_driver); -} - -static void __exit ep93xxfb_exit(void) -{ - platform_driver_unregister(&ep93xxfb_driver); -} - -module_init(ep93xxfb_init); -module_exit(ep93xxfb_exit); +module_platform_driver(ep93xxfb_driver); MODULE_DESCRIPTION("EP93XX Framebuffer Driver"); MODULE_ALIAS("platform:ep93xx-fb"); diff --git a/drivers/video/exynos/exynos_dp_core.c b/drivers/video/exynos/exynos_dp_core.c index de9d4da0e3d..12bbede3b09 100644 --- a/drivers/video/exynos/exynos_dp_core.c +++ b/drivers/video/exynos/exynos_dp_core.c @@ -976,14 +976,14 @@ static int exynos_dp_dt_parse_phydata(struct exynos_dp_device *dp) } if (of_property_read_u32(dp_phy_node, "reg", &phy_base)) { - dev_err(dp->dev, "faild to get reg for dptx-phy\n"); + dev_err(dp->dev, "failed to get reg for dptx-phy\n"); ret = -EINVAL; goto err; } if (of_property_read_u32(dp_phy_node, "samsung,enable-mask", &dp->enable_mask)) { - dev_err(dp->dev, "faild to get enable-mask for dptx-phy\n"); + dev_err(dp->dev, "failed to get enable-mask for dptx-phy\n"); ret = -EINVAL; goto err; } diff --git a/drivers/video/exynos/exynos_mipi_dsi.c b/drivers/video/exynos/exynos_mipi_dsi.c index fac7df6d1ab..32e540600f9 100644 --- a/drivers/video/exynos/exynos_mipi_dsi.c +++ b/drivers/video/exynos/exynos_mipi_dsi.c @@ -32,11 +32,10 @@ #include <linux/notifier.h> #include <linux/regulator/consumer.h> #include <linux/pm_runtime.h> +#include <linux/err.h> #include <video/exynos_mipi_dsim.h> -#include <plat/fb.h> - #include "exynos_mipi_dsi_common.h" #include "exynos_mipi_dsi_lowlevel.h" @@ -384,10 +383,9 @@ static int exynos_mipi_dsi_probe(struct platform_device *pdev) res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - dsim->reg_base = devm_request_and_ioremap(&pdev->dev, res); - if (!dsim->reg_base) { - dev_err(&pdev->dev, "failed to remap io region\n"); - ret = -ENOMEM; + dsim->reg_base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(dsim->reg_base)) { + ret = PTR_ERR(dsim->reg_base); goto error; } diff --git a/drivers/video/exynos/exynos_mipi_dsi_common.c b/drivers/video/exynos/exynos_mipi_dsi_common.c index c70cb8926df..520fc9bd887 100644 --- a/drivers/video/exynos/exynos_mipi_dsi_common.c +++ b/drivers/video/exynos/exynos_mipi_dsi_common.c @@ -31,8 +31,6 @@ #include <video/mipi_display.h> #include <video/exynos_mipi_dsim.h> -#include <mach/map.h> - #include "exynos_mipi_dsi_regs.h" #include "exynos_mipi_dsi_lowlevel.h" #include "exynos_mipi_dsi_common.h" diff --git a/drivers/video/exynos/exynos_mipi_dsi_lowlevel.c b/drivers/video/exynos/exynos_mipi_dsi_lowlevel.c index 95cb99a1fe2..15c5abd408d 100644 --- a/drivers/video/exynos/exynos_mipi_dsi_lowlevel.c +++ b/drivers/video/exynos/exynos_mipi_dsi_lowlevel.c @@ -26,8 +26,6 @@ #include <video/exynos_mipi_dsim.h> -#include <mach/map.h> - #include "exynos_mipi_dsi_regs.h" void exynos_mipi_dsi_func_reset(struct mipi_dsim_device *dsim) diff --git a/drivers/video/fb-puv3.c b/drivers/video/fb-puv3.c index 7d106f1f490..27fc956166f 100644 --- a/drivers/video/fb-puv3.c +++ b/drivers/video/fb-puv3.c @@ -640,21 +640,9 @@ static int unifb_pan_display(struct fb_var_screeninfo *var, int unifb_mmap(struct fb_info *info, struct vm_area_struct *vma) { - unsigned long size = vma->vm_end - vma->vm_start; - unsigned long offset = vma->vm_pgoff << PAGE_SHIFT; - unsigned long pos = info->fix.smem_start + offset; - - if (offset + size > info->fix.smem_len) - return -EINVAL; - vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); - if (io_remap_pfn_range(vma, vma->vm_start, pos >> PAGE_SHIFT, size, - vma->vm_page_prot)) - return -EAGAIN; - - /* VM_IO | VM_DONTEXPAND | VM_DONTDUMP are set by remap_pfn_range() */ - return 0; + return vm_iomap_memory(vma, info->fix.smem_start, info->fix.smem_len); } static struct fb_ops unifb_ops = { diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c index 7c254084b6a..098bfc64cfb 100644 --- a/drivers/video/fbmem.c +++ b/drivers/video/fbmem.c @@ -1373,15 +1373,12 @@ fb_mmap(struct file *file, struct vm_area_struct * vma) { struct fb_info *info = file_fb_info(file); struct fb_ops *fb; - unsigned long off; + unsigned long mmio_pgoff; unsigned long start; u32 len; if (!info) return -ENODEV; - if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT)) - return -EINVAL; - off = vma->vm_pgoff << PAGE_SHIFT; fb = info->fbops; if (!fb) return -ENODEV; @@ -1393,32 +1390,29 @@ fb_mmap(struct file *file, struct vm_area_struct * vma) return res; } - /* frame buffer memory */ + /* + * Ugh. This can be either the frame buffer mapping, or + * if pgoff points past it, the mmio mapping. + */ start = info->fix.smem_start; - len = PAGE_ALIGN((start & ~PAGE_MASK) + info->fix.smem_len); - if (off >= len) { - /* memory mapped io */ - off -= len; + len = info->fix.smem_len; + mmio_pgoff = PAGE_ALIGN((start & ~PAGE_MASK) + len) >> PAGE_SHIFT; + if (vma->vm_pgoff >= mmio_pgoff) { if (info->var.accel_flags) { mutex_unlock(&info->mm_lock); return -EINVAL; } + + vma->vm_pgoff -= mmio_pgoff; start = info->fix.mmio_start; - len = PAGE_ALIGN((start & ~PAGE_MASK) + info->fix.mmio_len); + len = info->fix.mmio_len; } mutex_unlock(&info->mm_lock); - start &= PAGE_MASK; - if ((vma->vm_end - vma->vm_start + off) > len) - return -EINVAL; - off += start; - vma->vm_pgoff = off >> PAGE_SHIFT; - /* VM_IO | VM_DONTEXPAND | VM_DONTDUMP are set by io_remap_pfn_range()*/ + vma->vm_page_prot = vm_get_page_prot(vma->vm_flags); - fb_pgprotect(file, vma, off); - if (io_remap_pfn_range(vma, vma->vm_start, off >> PAGE_SHIFT, - vma->vm_end - vma->vm_start, vma->vm_page_prot)) - return -EAGAIN; - return 0; + fb_pgprotect(file, vma, start); + + return vm_iomap_memory(vma, start, len); } static int @@ -1645,6 +1639,11 @@ static int do_register_framebuffer(struct fb_info *fb_info) if (!fb_info->modelist.prev || !fb_info->modelist.next) INIT_LIST_HEAD(&fb_info->modelist); + if (fb_info->skip_vt_switch) + pm_vt_switch_required(fb_info->dev, false); + else + pm_vt_switch_required(fb_info->dev, true); + fb_var_to_videomode(&mode, &fb_info->var); fb_add_videomode(&mode, &fb_info->modelist); registered_fb[i] = fb_info; @@ -1679,6 +1678,8 @@ static int do_unregister_framebuffer(struct fb_info *fb_info) if (ret) return -EINVAL; + pm_vt_switch_unregister(fb_info->dev); + unlink_framebuffer(fb_info); if (fb_info->pixmap.addr && (fb_info->pixmap.flags & FB_PIXMAP_DEFAULT)) diff --git a/drivers/video/fbmon.c b/drivers/video/fbmon.c index 94ad0f71383..6103fa6fb54 100644 --- a/drivers/video/fbmon.c +++ b/drivers/video/fbmon.c @@ -1376,7 +1376,7 @@ int fb_get_mode(int flags, u32 val, struct fb_var_screeninfo *var, struct fb_inf return err; } -#if IS_ENABLED(CONFIG_VIDEOMODE) +#ifdef CONFIG_VIDEOMODE_HELPERS int fb_videomode_from_videomode(const struct videomode *vm, struct fb_videomode *fbmode) { @@ -1398,13 +1398,13 @@ int fb_videomode_from_videomode(const struct videomode *vm, fbmode->sync = 0; fbmode->vmode = 0; - if (vm->dmt_flags & VESA_DMT_HSYNC_HIGH) + if (vm->flags & DISPLAY_FLAGS_HSYNC_HIGH) fbmode->sync |= FB_SYNC_HOR_HIGH_ACT; - if (vm->dmt_flags & VESA_DMT_HSYNC_HIGH) + if (vm->flags & DISPLAY_FLAGS_VSYNC_HIGH) fbmode->sync |= FB_SYNC_VERT_HIGH_ACT; - if (vm->data_flags & DISPLAY_FLAGS_INTERLACED) + if (vm->flags & DISPLAY_FLAGS_INTERLACED) fbmode->vmode |= FB_VMODE_INTERLACED; - if (vm->data_flags & DISPLAY_FLAGS_DOUBLESCAN) + if (vm->flags & DISPLAY_FLAGS_DOUBLESCAN) fbmode->vmode |= FB_VMODE_DOUBLE; fbmode->flag = 0; @@ -1424,9 +1424,8 @@ int fb_videomode_from_videomode(const struct videomode *vm, return 0; } EXPORT_SYMBOL_GPL(fb_videomode_from_videomode); -#endif -#if IS_ENABLED(CONFIG_OF_VIDEOMODE) +#ifdef CONFIG_OF static inline void dump_fb_videomode(const struct fb_videomode *m) { pr_debug("fb_videomode = %ux%u@%uHz (%ukHz) %u %u %u %u %u %u %u %u %u\n", @@ -1465,7 +1464,8 @@ int of_get_fb_videomode(struct device_node *np, struct fb_videomode *fb, return 0; } EXPORT_SYMBOL_GPL(of_get_fb_videomode); -#endif +#endif /* CONFIG_OF */ +#endif /* CONFIG_VIDEOMODE_HELPERS */ #else int fb_parse_edid(unsigned char *edid, struct fb_var_screeninfo *var) diff --git a/drivers/video/fsl-diu-fb.c b/drivers/video/fsl-diu-fb.c index 41fbd9453c5..6c278056fc6 100644 --- a/drivers/video/fsl-diu-fb.c +++ b/drivers/video/fsl-diu-fb.c @@ -375,7 +375,10 @@ struct fsl_diu_data { struct diu_ad dummy_ad __aligned(8); struct diu_ad ad[NUM_AOIS] __aligned(8); u8 gamma[256 * 3] __aligned(32); - u8 cursor[MAX_CURS * MAX_CURS * 2] __aligned(32); + /* It's easier to parse the cursor data as little-endian */ + __le16 cursor[MAX_CURS * MAX_CURS] __aligned(32); + /* Blank cursor data -- used to hide the cursor */ + __le16 blank_cursor[MAX_CURS * MAX_CURS] __aligned(32); uint8_t edid_data[EDID_LENGTH]; bool has_edid; } __aligned(32); @@ -824,7 +827,6 @@ static void update_lcdc(struct fb_info *info) /* Program DIU registers */ out_be32(&hw->gamma, DMA_ADDR(data, gamma)); - out_be32(&hw->cursor, DMA_ADDR(data, cursor)); out_be32(&hw->bgnd, 0x007F7F7F); /* Set background to grey */ out_be32(&hw->disp_size, (var->yres << 16) | var->xres); @@ -968,6 +970,156 @@ static u32 fsl_diu_get_pixel_format(unsigned int bits_per_pixel) } /* + * Copies a cursor image from user space to the proper place in driver + * memory so that the hardware can display the cursor image. + * + * Cursor data is represented as a sequence of 'width' bits packed into bytes. + * That is, the first 8 bits are in the first byte, the second 8 bits in the + * second byte, and so on. Therefore, the each row of the cursor is (width + + * 7) / 8 bytes of 'data' + * + * The DIU only supports cursors up to 32x32 (MAX_CURS). We reject cursors + * larger than this, so we already know that 'width' <= 32. Therefore, we can + * simplify our code by using a 32-bit big-endian integer ("line") to read in + * a single line of pixels, and only look at the top 'width' bits of that + * integer. + * + * This could result in an unaligned 32-bit read. For example, if the cursor + * is 24x24, then the first three bytes of 'image' contain the pixel data for + * the top line of the cursor. We do a 32-bit read of 'image', but we look + * only at the top 24 bits. Then we increment 'image' by 3 bytes. The next + * read is unaligned. The only problem is that we might read past the end of + * 'image' by 1-3 bytes, but that should not cause any problems. + */ +static void fsl_diu_load_cursor_image(struct fb_info *info, + const void *image, uint16_t bg, uint16_t fg, + unsigned int width, unsigned int height) +{ + struct mfb_info *mfbi = info->par; + struct fsl_diu_data *data = mfbi->parent; + __le16 *cursor = data->cursor; + __le16 _fg = cpu_to_le16(fg); + __le16 _bg = cpu_to_le16(bg); + unsigned int h, w; + + for (h = 0; h < height; h++) { + uint32_t mask = 1 << 31; + uint32_t line = be32_to_cpup(image); + + for (w = 0; w < width; w++) { + cursor[w] = (line & mask) ? _fg : _bg; + mask >>= 1; + } + + cursor += MAX_CURS; + image += DIV_ROUND_UP(width, 8); + } +} + +/* + * Set a hardware cursor. The image data for the cursor is passed via the + * fb_cursor object. + */ +static int fsl_diu_cursor(struct fb_info *info, struct fb_cursor *cursor) +{ + struct mfb_info *mfbi = info->par; + struct fsl_diu_data *data = mfbi->parent; + struct diu __iomem *hw = data->diu_reg; + + if (cursor->image.width > MAX_CURS || cursor->image.height > MAX_CURS) + return -EINVAL; + + /* The cursor size has changed */ + if (cursor->set & FB_CUR_SETSIZE) { + /* + * The DIU cursor is a fixed size, so when we get this + * message, instead of resizing the cursor, we just clear + * all the image data, in expectation of new data. However, + * in tests this control does not appear to be normally + * called. + */ + memset(data->cursor, 0, sizeof(data->cursor)); + } + + /* The cursor position has changed (cursor->image.dx|dy) */ + if (cursor->set & FB_CUR_SETPOS) { + uint32_t xx, yy; + + yy = (cursor->image.dy - info->var.yoffset) & 0x7ff; + xx = (cursor->image.dx - info->var.xoffset) & 0x7ff; + + out_be32(&hw->curs_pos, yy << 16 | xx); + } + + /* + * FB_CUR_SETIMAGE - the cursor image has changed + * FB_CUR_SETCMAP - the cursor colors has changed + * FB_CUR_SETSHAPE - the cursor bitmask has changed + */ + if (cursor->set & (FB_CUR_SETSHAPE | FB_CUR_SETCMAP | FB_CUR_SETIMAGE)) { + unsigned int image_size = + DIV_ROUND_UP(cursor->image.width, 8) * cursor->image.height; + unsigned int image_words = + DIV_ROUND_UP(image_size, sizeof(uint32_t)); + unsigned int bg_idx = cursor->image.bg_color; + unsigned int fg_idx = cursor->image.fg_color; + uint8_t buffer[image_size]; + uint32_t *image, *source, *mask; + uint16_t fg, bg; + unsigned int i; + + if (info->state != FBINFO_STATE_RUNNING) + return 0; + + /* + * Determine the size of the cursor image data. Normally, + * it's 8x16. + */ + image_size = DIV_ROUND_UP(cursor->image.width, 8) * + cursor->image.height; + + bg = ((info->cmap.red[bg_idx] & 0xf8) << 7) | + ((info->cmap.green[bg_idx] & 0xf8) << 2) | + ((info->cmap.blue[bg_idx] & 0xf8) >> 3) | + 1 << 15; + + fg = ((info->cmap.red[fg_idx] & 0xf8) << 7) | + ((info->cmap.green[fg_idx] & 0xf8) << 2) | + ((info->cmap.blue[fg_idx] & 0xf8) >> 3) | + 1 << 15; + + /* Use 32-bit operations on the data to improve performance */ + image = (uint32_t *)buffer; + source = (uint32_t *)cursor->image.data; + mask = (uint32_t *)cursor->mask; + + if (cursor->rop == ROP_XOR) + for (i = 0; i < image_words; i++) + image[i] = source[i] ^ mask[i]; + else + for (i = 0; i < image_words; i++) + image[i] = source[i] & mask[i]; + + fsl_diu_load_cursor_image(info, image, bg, fg, + cursor->image.width, cursor->image.height); + }; + + /* + * Show or hide the cursor. The cursor data is always stored in the + * 'cursor' memory block, and the actual cursor position is always in + * the DIU's CURS_POS register. To hide the cursor, we redirect the + * CURSOR register to a blank cursor. The show the cursor, we + * redirect the CURSOR register to the real cursor data. + */ + if (cursor->enable) + out_be32(&hw->cursor, DMA_ADDR(data, cursor)); + else + out_be32(&hw->cursor, DMA_ADDR(data, blank_cursor)); + + return 0; +} + +/* * Using the fb_var_screeninfo in fb_info we set the resolution of this * particular framebuffer. This function alters the fb_fix_screeninfo stored * in fb_info. It does not alter var in fb_info since we are using that @@ -1312,6 +1464,7 @@ static struct fb_ops fsl_diu_ops = { .fb_ioctl = fsl_diu_ioctl, .fb_open = fsl_diu_open, .fb_release = fsl_diu_release, + .fb_cursor = fsl_diu_cursor, }; static int install_fb(struct fb_info *info) diff --git a/drivers/video/gbefb.c b/drivers/video/gbefb.c index bda5e394151..ceab37020ff 100644 --- a/drivers/video/gbefb.c +++ b/drivers/video/gbefb.c @@ -1016,7 +1016,9 @@ static int gbefb_mmap(struct fb_info *info, /* check range */ if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT)) return -EINVAL; - if (offset + size > gbe_mem_size) + if (size > gbe_mem_size) + return -EINVAL; + if (offset > gbe_mem_size - size) return -EINVAL; /* remap using the fastest write-through mode on architecture */ diff --git a/drivers/video/goldfishfb.c b/drivers/video/goldfishfb.c index 489abb32fc0..7f6c9e6cfc6 100644 --- a/drivers/video/goldfishfb.c +++ b/drivers/video/goldfishfb.c @@ -148,7 +148,7 @@ static int goldfish_fb_pan_display(struct fb_var_screeninfo *var, wait_event_timeout(fb->wait, fb->base_update_count != base_update_count, HZ / 15); if (fb->base_update_count == base_update_count) - pr_err("goldfish_fb_pan_display: timeout wating for base update\n"); + pr_err("goldfish_fb_pan_display: timeout waiting for base update\n"); return 0; } diff --git a/drivers/video/hdmi.c b/drivers/video/hdmi.c index ab23c9b7914..40178338b61 100644 --- a/drivers/video/hdmi.c +++ b/drivers/video/hdmi.c @@ -1,9 +1,24 @@ /* * Copyright (C) 2012 Avionic Design GmbH * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sub license, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. */ #include <linux/bitops.h> diff --git a/drivers/video/hyperv_fb.c b/drivers/video/hyperv_fb.c new file mode 100644 index 00000000000..d4d2c5fe248 --- /dev/null +++ b/drivers/video/hyperv_fb.c @@ -0,0 +1,829 @@ +/* + * Copyright (c) 2012, Microsoft Corporation. + * + * Author: + * Haiyang Zhang <haiyangz@microsoft.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for more + * details. + */ + +/* + * Hyper-V Synthetic Video Frame Buffer Driver + * + * This is the driver for the Hyper-V Synthetic Video, which supports + * screen resolution up to Full HD 1920x1080 with 32 bit color on Windows + * Server 2012, and 1600x1200 with 16 bit color on Windows Server 2008 R2 + * or earlier. + * + * It also solves the double mouse cursor issue of the emulated video mode. + * + * The default screen resolution is 1152x864, which may be changed by a + * kernel parameter: + * video=hyperv_fb:<width>x<height> + * For example: video=hyperv_fb:1280x1024 + * + * Portrait orientation is also supported: + * For example: video=hyperv_fb:864x1152 + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/completion.h> +#include <linux/fb.h> +#include <linux/pci.h> + +#include <linux/hyperv.h> + + +/* Hyper-V Synthetic Video Protocol definitions and structures */ +#define MAX_VMBUS_PKT_SIZE 0x4000 + +#define SYNTHVID_VERSION(major, minor) ((minor) << 16 | (major)) +#define SYNTHVID_VERSION_WIN7 SYNTHVID_VERSION(3, 0) +#define SYNTHVID_VERSION_WIN8 SYNTHVID_VERSION(3, 2) + +#define SYNTHVID_DEPTH_WIN7 16 +#define SYNTHVID_DEPTH_WIN8 32 + +#define SYNTHVID_FB_SIZE_WIN7 (4 * 1024 * 1024) +#define SYNTHVID_WIDTH_MAX_WIN7 1600 +#define SYNTHVID_HEIGHT_MAX_WIN7 1200 + +#define SYNTHVID_FB_SIZE_WIN8 (8 * 1024 * 1024) + +#define PCI_VENDOR_ID_MICROSOFT 0x1414 +#define PCI_DEVICE_ID_HYPERV_VIDEO 0x5353 + + +enum pipe_msg_type { + PIPE_MSG_INVALID, + PIPE_MSG_DATA, + PIPE_MSG_MAX +}; + +struct pipe_msg_hdr { + u32 type; + u32 size; /* size of message after this field */ +} __packed; + + +enum synthvid_msg_type { + SYNTHVID_ERROR = 0, + SYNTHVID_VERSION_REQUEST = 1, + SYNTHVID_VERSION_RESPONSE = 2, + SYNTHVID_VRAM_LOCATION = 3, + SYNTHVID_VRAM_LOCATION_ACK = 4, + SYNTHVID_SITUATION_UPDATE = 5, + SYNTHVID_SITUATION_UPDATE_ACK = 6, + SYNTHVID_POINTER_POSITION = 7, + SYNTHVID_POINTER_SHAPE = 8, + SYNTHVID_FEATURE_CHANGE = 9, + SYNTHVID_DIRT = 10, + + SYNTHVID_MAX = 11 +}; + +struct synthvid_msg_hdr { + u32 type; + u32 size; /* size of this header + payload after this field*/ +} __packed; + + +struct synthvid_version_req { + u32 version; +} __packed; + +struct synthvid_version_resp { + u32 version; + u8 is_accepted; + u8 max_video_outputs; +} __packed; + +struct synthvid_vram_location { + u64 user_ctx; + u8 is_vram_gpa_specified; + u64 vram_gpa; +} __packed; + +struct synthvid_vram_location_ack { + u64 user_ctx; +} __packed; + +struct video_output_situation { + u8 active; + u32 vram_offset; + u8 depth_bits; + u32 width_pixels; + u32 height_pixels; + u32 pitch_bytes; +} __packed; + +struct synthvid_situation_update { + u64 user_ctx; + u8 video_output_count; + struct video_output_situation video_output[1]; +} __packed; + +struct synthvid_situation_update_ack { + u64 user_ctx; +} __packed; + +struct synthvid_pointer_position { + u8 is_visible; + u8 video_output; + s32 image_x; + s32 image_y; +} __packed; + + +#define CURSOR_MAX_X 96 +#define CURSOR_MAX_Y 96 +#define CURSOR_ARGB_PIXEL_SIZE 4 +#define CURSOR_MAX_SIZE (CURSOR_MAX_X * CURSOR_MAX_Y * CURSOR_ARGB_PIXEL_SIZE) +#define CURSOR_COMPLETE (-1) + +struct synthvid_pointer_shape { + u8 part_idx; + u8 is_argb; + u32 width; /* CURSOR_MAX_X at most */ + u32 height; /* CURSOR_MAX_Y at most */ + u32 hot_x; /* hotspot relative to upper-left of pointer image */ + u32 hot_y; + u8 data[4]; +} __packed; + +struct synthvid_feature_change { + u8 is_dirt_needed; + u8 is_ptr_pos_needed; + u8 is_ptr_shape_needed; + u8 is_situ_needed; +} __packed; + +struct rect { + s32 x1, y1; /* top left corner */ + s32 x2, y2; /* bottom right corner, exclusive */ +} __packed; + +struct synthvid_dirt { + u8 video_output; + u8 dirt_count; + struct rect rect[1]; +} __packed; + +struct synthvid_msg { + struct pipe_msg_hdr pipe_hdr; + struct synthvid_msg_hdr vid_hdr; + union { + struct synthvid_version_req ver_req; + struct synthvid_version_resp ver_resp; + struct synthvid_vram_location vram; + struct synthvid_vram_location_ack vram_ack; + struct synthvid_situation_update situ; + struct synthvid_situation_update_ack situ_ack; + struct synthvid_pointer_position ptr_pos; + struct synthvid_pointer_shape ptr_shape; + struct synthvid_feature_change feature_chg; + struct synthvid_dirt dirt; + }; +} __packed; + + + +/* FB driver definitions and structures */ +#define HVFB_WIDTH 1152 /* default screen width */ +#define HVFB_HEIGHT 864 /* default screen height */ +#define HVFB_WIDTH_MIN 640 +#define HVFB_HEIGHT_MIN 480 + +#define RING_BUFSIZE (256 * 1024) +#define VSP_TIMEOUT (10 * HZ) +#define HVFB_UPDATE_DELAY (HZ / 20) + +struct hvfb_par { + struct fb_info *info; + bool fb_ready; /* fb device is ready */ + struct completion wait; + u32 synthvid_version; + + struct delayed_work dwork; + bool update; + + u32 pseudo_palette[16]; + u8 init_buf[MAX_VMBUS_PKT_SIZE]; + u8 recv_buf[MAX_VMBUS_PKT_SIZE]; +}; + +static uint screen_width = HVFB_WIDTH; +static uint screen_height = HVFB_HEIGHT; +static uint screen_depth; +static uint screen_fb_size; + +/* Send message to Hyper-V host */ +static inline int synthvid_send(struct hv_device *hdev, + struct synthvid_msg *msg) +{ + static atomic64_t request_id = ATOMIC64_INIT(0); + int ret; + + msg->pipe_hdr.type = PIPE_MSG_DATA; + msg->pipe_hdr.size = msg->vid_hdr.size; + + ret = vmbus_sendpacket(hdev->channel, msg, + msg->vid_hdr.size + sizeof(struct pipe_msg_hdr), + atomic64_inc_return(&request_id), + VM_PKT_DATA_INBAND, 0); + + if (ret) + pr_err("Unable to send packet via vmbus\n"); + + return ret; +} + + +/* Send screen resolution info to host */ +static int synthvid_send_situ(struct hv_device *hdev) +{ + struct fb_info *info = hv_get_drvdata(hdev); + struct synthvid_msg msg; + + if (!info) + return -ENODEV; + + memset(&msg, 0, sizeof(struct synthvid_msg)); + + msg.vid_hdr.type = SYNTHVID_SITUATION_UPDATE; + msg.vid_hdr.size = sizeof(struct synthvid_msg_hdr) + + sizeof(struct synthvid_situation_update); + msg.situ.user_ctx = 0; + msg.situ.video_output_count = 1; + msg.situ.video_output[0].active = 1; + msg.situ.video_output[0].vram_offset = 0; + msg.situ.video_output[0].depth_bits = info->var.bits_per_pixel; + msg.situ.video_output[0].width_pixels = info->var.xres; + msg.situ.video_output[0].height_pixels = info->var.yres; + msg.situ.video_output[0].pitch_bytes = info->fix.line_length; + + synthvid_send(hdev, &msg); + + return 0; +} + +/* Send mouse pointer info to host */ +static int synthvid_send_ptr(struct hv_device *hdev) +{ + struct synthvid_msg msg; + + memset(&msg, 0, sizeof(struct synthvid_msg)); + msg.vid_hdr.type = SYNTHVID_POINTER_POSITION; + msg.vid_hdr.size = sizeof(struct synthvid_msg_hdr) + + sizeof(struct synthvid_pointer_position); + msg.ptr_pos.is_visible = 1; + msg.ptr_pos.video_output = 0; + msg.ptr_pos.image_x = 0; + msg.ptr_pos.image_y = 0; + synthvid_send(hdev, &msg); + + memset(&msg, 0, sizeof(struct synthvid_msg)); + msg.vid_hdr.type = SYNTHVID_POINTER_SHAPE; + msg.vid_hdr.size = sizeof(struct synthvid_msg_hdr) + + sizeof(struct synthvid_pointer_shape); + msg.ptr_shape.part_idx = CURSOR_COMPLETE; + msg.ptr_shape.is_argb = 1; + msg.ptr_shape.width = 1; + msg.ptr_shape.height = 1; + msg.ptr_shape.hot_x = 0; + msg.ptr_shape.hot_y = 0; + msg.ptr_shape.data[0] = 0; + msg.ptr_shape.data[1] = 1; + msg.ptr_shape.data[2] = 1; + msg.ptr_shape.data[3] = 1; + synthvid_send(hdev, &msg); + + return 0; +} + +/* Send updated screen area (dirty rectangle) location to host */ +static int synthvid_update(struct fb_info *info) +{ + struct hv_device *hdev = device_to_hv_device(info->device); + struct synthvid_msg msg; + + memset(&msg, 0, sizeof(struct synthvid_msg)); + + msg.vid_hdr.type = SYNTHVID_DIRT; + msg.vid_hdr.size = sizeof(struct synthvid_msg_hdr) + + sizeof(struct synthvid_dirt); + msg.dirt.video_output = 0; + msg.dirt.dirt_count = 1; + msg.dirt.rect[0].x1 = 0; + msg.dirt.rect[0].y1 = 0; + msg.dirt.rect[0].x2 = info->var.xres; + msg.dirt.rect[0].y2 = info->var.yres; + + synthvid_send(hdev, &msg); + + return 0; +} + + +/* + * Actions on received messages from host: + * Complete the wait event. + * Or, reply with screen and cursor info. + */ +static void synthvid_recv_sub(struct hv_device *hdev) +{ + struct fb_info *info = hv_get_drvdata(hdev); + struct hvfb_par *par; + struct synthvid_msg *msg; + + if (!info) + return; + + par = info->par; + msg = (struct synthvid_msg *)par->recv_buf; + + /* Complete the wait event */ + if (msg->vid_hdr.type == SYNTHVID_VERSION_RESPONSE || + msg->vid_hdr.type == SYNTHVID_VRAM_LOCATION_ACK) { + memcpy(par->init_buf, msg, MAX_VMBUS_PKT_SIZE); + complete(&par->wait); + return; + } + + /* Reply with screen and cursor info */ + if (msg->vid_hdr.type == SYNTHVID_FEATURE_CHANGE) { + if (par->fb_ready) { + synthvid_send_ptr(hdev); + synthvid_send_situ(hdev); + } + + par->update = msg->feature_chg.is_dirt_needed; + if (par->update) + schedule_delayed_work(&par->dwork, HVFB_UPDATE_DELAY); + } +} + +/* Receive callback for messages from the host */ +static void synthvid_receive(void *ctx) +{ + struct hv_device *hdev = ctx; + struct fb_info *info = hv_get_drvdata(hdev); + struct hvfb_par *par; + struct synthvid_msg *recv_buf; + u32 bytes_recvd; + u64 req_id; + int ret; + + if (!info) + return; + + par = info->par; + recv_buf = (struct synthvid_msg *)par->recv_buf; + + do { + ret = vmbus_recvpacket(hdev->channel, recv_buf, + MAX_VMBUS_PKT_SIZE, + &bytes_recvd, &req_id); + if (bytes_recvd > 0 && + recv_buf->pipe_hdr.type == PIPE_MSG_DATA) + synthvid_recv_sub(hdev); + } while (bytes_recvd > 0 && ret == 0); +} + +/* Check synthetic video protocol version with the host */ +static int synthvid_negotiate_ver(struct hv_device *hdev, u32 ver) +{ + struct fb_info *info = hv_get_drvdata(hdev); + struct hvfb_par *par = info->par; + struct synthvid_msg *msg = (struct synthvid_msg *)par->init_buf; + int t, ret = 0; + + memset(msg, 0, sizeof(struct synthvid_msg)); + msg->vid_hdr.type = SYNTHVID_VERSION_REQUEST; + msg->vid_hdr.size = sizeof(struct synthvid_msg_hdr) + + sizeof(struct synthvid_version_req); + msg->ver_req.version = ver; + synthvid_send(hdev, msg); + + t = wait_for_completion_timeout(&par->wait, VSP_TIMEOUT); + if (!t) { + pr_err("Time out on waiting version response\n"); + ret = -ETIMEDOUT; + goto out; + } + if (!msg->ver_resp.is_accepted) { + ret = -ENODEV; + goto out; + } + + par->synthvid_version = ver; + +out: + return ret; +} + +/* Connect to VSP (Virtual Service Provider) on host */ +static int synthvid_connect_vsp(struct hv_device *hdev) +{ + struct fb_info *info = hv_get_drvdata(hdev); + struct hvfb_par *par = info->par; + int ret; + + ret = vmbus_open(hdev->channel, RING_BUFSIZE, RING_BUFSIZE, + NULL, 0, synthvid_receive, hdev); + if (ret) { + pr_err("Unable to open vmbus channel\n"); + return ret; + } + + /* Negotiate the protocol version with host */ + if (vmbus_proto_version == VERSION_WS2008 || + vmbus_proto_version == VERSION_WIN7) + ret = synthvid_negotiate_ver(hdev, SYNTHVID_VERSION_WIN7); + else + ret = synthvid_negotiate_ver(hdev, SYNTHVID_VERSION_WIN8); + + if (ret) { + pr_err("Synthetic video device version not accepted\n"); + goto error; + } + + if (par->synthvid_version == SYNTHVID_VERSION_WIN7) { + screen_depth = SYNTHVID_DEPTH_WIN7; + screen_fb_size = SYNTHVID_FB_SIZE_WIN7; + } else { + screen_depth = SYNTHVID_DEPTH_WIN8; + screen_fb_size = SYNTHVID_FB_SIZE_WIN8; + } + + return 0; + +error: + vmbus_close(hdev->channel); + return ret; +} + +/* Send VRAM and Situation messages to the host */ +static int synthvid_send_config(struct hv_device *hdev) +{ + struct fb_info *info = hv_get_drvdata(hdev); + struct hvfb_par *par = info->par; + struct synthvid_msg *msg = (struct synthvid_msg *)par->init_buf; + int t, ret = 0; + + /* Send VRAM location */ + memset(msg, 0, sizeof(struct synthvid_msg)); + msg->vid_hdr.type = SYNTHVID_VRAM_LOCATION; + msg->vid_hdr.size = sizeof(struct synthvid_msg_hdr) + + sizeof(struct synthvid_vram_location); + msg->vram.user_ctx = msg->vram.vram_gpa = info->fix.smem_start; + msg->vram.is_vram_gpa_specified = 1; + synthvid_send(hdev, msg); + + t = wait_for_completion_timeout(&par->wait, VSP_TIMEOUT); + if (!t) { + pr_err("Time out on waiting vram location ack\n"); + ret = -ETIMEDOUT; + goto out; + } + if (msg->vram_ack.user_ctx != info->fix.smem_start) { + pr_err("Unable to set VRAM location\n"); + ret = -ENODEV; + goto out; + } + + /* Send pointer and situation update */ + synthvid_send_ptr(hdev); + synthvid_send_situ(hdev); + +out: + return ret; +} + + +/* + * Delayed work callback: + * It is called at HVFB_UPDATE_DELAY or longer time interval to process + * screen updates. It is re-scheduled if further update is necessary. + */ +static void hvfb_update_work(struct work_struct *w) +{ + struct hvfb_par *par = container_of(w, struct hvfb_par, dwork.work); + struct fb_info *info = par->info; + + if (par->fb_ready) + synthvid_update(info); + + if (par->update) + schedule_delayed_work(&par->dwork, HVFB_UPDATE_DELAY); +} + + +/* Framebuffer operation handlers */ + +static int hvfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) +{ + if (var->xres < HVFB_WIDTH_MIN || var->yres < HVFB_HEIGHT_MIN || + var->xres > screen_width || var->yres > screen_height || + var->bits_per_pixel != screen_depth) + return -EINVAL; + + var->xres_virtual = var->xres; + var->yres_virtual = var->yres; + + return 0; +} + +static int hvfb_set_par(struct fb_info *info) +{ + struct hv_device *hdev = device_to_hv_device(info->device); + + return synthvid_send_situ(hdev); +} + + +static inline u32 chan_to_field(u32 chan, struct fb_bitfield *bf) +{ + return ((chan & 0xffff) >> (16 - bf->length)) << bf->offset; +} + +static int hvfb_setcolreg(unsigned regno, unsigned red, unsigned green, + unsigned blue, unsigned transp, struct fb_info *info) +{ + u32 *pal = info->pseudo_palette; + + if (regno > 15) + return -EINVAL; + + pal[regno] = chan_to_field(red, &info->var.red) + | chan_to_field(green, &info->var.green) + | chan_to_field(blue, &info->var.blue) + | chan_to_field(transp, &info->var.transp); + + return 0; +} + + +static struct fb_ops hvfb_ops = { + .owner = THIS_MODULE, + .fb_check_var = hvfb_check_var, + .fb_set_par = hvfb_set_par, + .fb_setcolreg = hvfb_setcolreg, + .fb_fillrect = cfb_fillrect, + .fb_copyarea = cfb_copyarea, + .fb_imageblit = cfb_imageblit, +}; + + +/* Get options from kernel paramenter "video=" */ +static void hvfb_get_option(struct fb_info *info) +{ + struct hvfb_par *par = info->par; + char *opt = NULL, *p; + uint x = 0, y = 0; + + if (fb_get_options(KBUILD_MODNAME, &opt) || !opt || !*opt) + return; + + p = strsep(&opt, "x"); + if (!*p || kstrtouint(p, 0, &x) || + !opt || !*opt || kstrtouint(opt, 0, &y)) { + pr_err("Screen option is invalid: skipped\n"); + return; + } + + if (x < HVFB_WIDTH_MIN || y < HVFB_HEIGHT_MIN || + (par->synthvid_version == SYNTHVID_VERSION_WIN8 && + x * y * screen_depth / 8 > SYNTHVID_FB_SIZE_WIN8) || + (par->synthvid_version == SYNTHVID_VERSION_WIN7 && + (x > SYNTHVID_WIDTH_MAX_WIN7 || y > SYNTHVID_HEIGHT_MAX_WIN7))) { + pr_err("Screen resolution option is out of range: skipped\n"); + return; + } + + screen_width = x; + screen_height = y; + return; +} + + +/* Get framebuffer memory from Hyper-V video pci space */ +static int hvfb_getmem(struct fb_info *info) +{ + struct pci_dev *pdev; + ulong fb_phys; + void __iomem *fb_virt; + + pdev = pci_get_device(PCI_VENDOR_ID_MICROSOFT, + PCI_DEVICE_ID_HYPERV_VIDEO, NULL); + if (!pdev) { + pr_err("Unable to find PCI Hyper-V video\n"); + return -ENODEV; + } + + if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM) || + pci_resource_len(pdev, 0) < screen_fb_size) + goto err1; + + fb_phys = pci_resource_end(pdev, 0) - screen_fb_size + 1; + if (!request_mem_region(fb_phys, screen_fb_size, KBUILD_MODNAME)) + goto err1; + + fb_virt = ioremap(fb_phys, screen_fb_size); + if (!fb_virt) + goto err2; + + info->apertures = alloc_apertures(1); + if (!info->apertures) + goto err3; + + info->apertures->ranges[0].base = pci_resource_start(pdev, 0); + info->apertures->ranges[0].size = pci_resource_len(pdev, 0); + info->fix.smem_start = fb_phys; + info->fix.smem_len = screen_fb_size; + info->screen_base = fb_virt; + info->screen_size = screen_fb_size; + + pci_dev_put(pdev); + return 0; + +err3: + iounmap(fb_virt); +err2: + release_mem_region(fb_phys, screen_fb_size); +err1: + pci_dev_put(pdev); + return -ENOMEM; +} + +/* Release the framebuffer */ +static void hvfb_putmem(struct fb_info *info) +{ + iounmap(info->screen_base); + release_mem_region(info->fix.smem_start, screen_fb_size); +} + + +static int hvfb_probe(struct hv_device *hdev, + const struct hv_vmbus_device_id *dev_id) +{ + struct fb_info *info; + struct hvfb_par *par; + int ret; + + info = framebuffer_alloc(sizeof(struct hvfb_par), &hdev->device); + if (!info) { + pr_err("No memory for framebuffer info\n"); + return -ENOMEM; + } + + par = info->par; + par->info = info; + par->fb_ready = false; + init_completion(&par->wait); + INIT_DELAYED_WORK(&par->dwork, hvfb_update_work); + + /* Connect to VSP */ + hv_set_drvdata(hdev, info); + ret = synthvid_connect_vsp(hdev); + if (ret) { + pr_err("Unable to connect to VSP\n"); + goto error1; + } + + ret = hvfb_getmem(info); + if (ret) { + pr_err("No memory for framebuffer\n"); + goto error2; + } + + hvfb_get_option(info); + pr_info("Screen resolution: %dx%d, Color depth: %d\n", + screen_width, screen_height, screen_depth); + + + /* Set up fb_info */ + info->flags = FBINFO_DEFAULT; + + info->var.xres_virtual = info->var.xres = screen_width; + info->var.yres_virtual = info->var.yres = screen_height; + info->var.bits_per_pixel = screen_depth; + + if (info->var.bits_per_pixel == 16) { + info->var.red = (struct fb_bitfield){11, 5, 0}; + info->var.green = (struct fb_bitfield){5, 6, 0}; + info->var.blue = (struct fb_bitfield){0, 5, 0}; + info->var.transp = (struct fb_bitfield){0, 0, 0}; + } else { + info->var.red = (struct fb_bitfield){16, 8, 0}; + info->var.green = (struct fb_bitfield){8, 8, 0}; + info->var.blue = (struct fb_bitfield){0, 8, 0}; + info->var.transp = (struct fb_bitfield){24, 8, 0}; + } + + info->var.activate = FB_ACTIVATE_NOW; + info->var.height = -1; + info->var.width = -1; + info->var.vmode = FB_VMODE_NONINTERLACED; + + strcpy(info->fix.id, KBUILD_MODNAME); + info->fix.type = FB_TYPE_PACKED_PIXELS; + info->fix.visual = FB_VISUAL_TRUECOLOR; + info->fix.line_length = screen_width * screen_depth / 8; + info->fix.accel = FB_ACCEL_NONE; + + info->fbops = &hvfb_ops; + info->pseudo_palette = par->pseudo_palette; + + /* Send config to host */ + ret = synthvid_send_config(hdev); + if (ret) + goto error; + + ret = register_framebuffer(info); + if (ret) { + pr_err("Unable to register framebuffer\n"); + goto error; + } + + par->fb_ready = true; + + return 0; + +error: + hvfb_putmem(info); +error2: + vmbus_close(hdev->channel); +error1: + cancel_delayed_work_sync(&par->dwork); + hv_set_drvdata(hdev, NULL); + framebuffer_release(info); + return ret; +} + + +static int hvfb_remove(struct hv_device *hdev) +{ + struct fb_info *info = hv_get_drvdata(hdev); + struct hvfb_par *par = info->par; + + par->update = false; + par->fb_ready = false; + + unregister_framebuffer(info); + cancel_delayed_work_sync(&par->dwork); + + vmbus_close(hdev->channel); + hv_set_drvdata(hdev, NULL); + + hvfb_putmem(info); + framebuffer_release(info); + + return 0; +} + + +static const struct hv_vmbus_device_id id_table[] = { + /* Synthetic Video Device GUID */ + {HV_SYNTHVID_GUID}, + {} +}; + +MODULE_DEVICE_TABLE(vmbus, id_table); + +static struct hv_driver hvfb_drv = { + .name = KBUILD_MODNAME, + .id_table = id_table, + .probe = hvfb_probe, + .remove = hvfb_remove, +}; + + +static int __init hvfb_drv_init(void) +{ + return vmbus_driver_register(&hvfb_drv); +} + +static void __exit hvfb_drv_exit(void) +{ + vmbus_driver_unregister(&hvfb_drv); +} + +module_init(hvfb_drv_init); +module_exit(hvfb_drv_exit); + +MODULE_LICENSE("GPL"); +MODULE_VERSION(HV_DRV_VERSION); +MODULE_DESCRIPTION("Microsoft Hyper-V Synthetic Video Frame Buffer Driver"); diff --git a/drivers/video/matrox/matroxfb_maven.c b/drivers/video/matrox/matroxfb_maven.c index 217678e0b98..fd289745569 100644 --- a/drivers/video/matrox/matroxfb_maven.c +++ b/drivers/video/matrox/matroxfb_maven.c @@ -137,8 +137,20 @@ static int* get_ctrl_ptr(struct maven_data* md, int idx) { static int maven_get_reg(struct i2c_client* c, char reg) { char dst; - struct i2c_msg msgs[] = {{ c->addr, I2C_M_REV_DIR_ADDR, sizeof(reg), ® }, - { c->addr, I2C_M_RD | I2C_M_NOSTART, sizeof(dst), &dst }}; + struct i2c_msg msgs[] = { + { + .addr = c->addr, + .flags = I2C_M_REV_DIR_ADDR, + .len = sizeof(reg), + .buf = ® + }, + { + .addr = c->addr, + .flags = I2C_M_RD | I2C_M_NOSTART, + .len = sizeof(dst), + .buf = &dst + } + }; s32 err; err = i2c_transfer(c->adapter, msgs, 2); diff --git a/drivers/video/mmp/core.c b/drivers/video/mmp/core.c index 9ed83419038..84de2632857 100644 --- a/drivers/video/mmp/core.c +++ b/drivers/video/mmp/core.c @@ -252,7 +252,5 @@ void mmp_unregister_path(struct mmp_path *path) kfree(path); mutex_unlock(&disp_lock); - - dev_info(path->dev, "de-register %s\n", path->name); } EXPORT_SYMBOL_GPL(mmp_unregister_path); diff --git a/drivers/video/mmp/hw/mmp_ctrl.h b/drivers/video/mmp/hw/mmp_ctrl.h index 6408d8ef3ab..edd2002b0e9 100644 --- a/drivers/video/mmp/hw/mmp_ctrl.h +++ b/drivers/video/mmp/hw/mmp_ctrl.h @@ -961,56 +961,7 @@ struct lcd_regs { LCD_TVG_CUTVLN : PN2_LCD_GRA_CUTVLN) : LCD_GRA_CUTVLN) /* - * defined Video Memory Color format for DMA control 0 register - * DMA0 bit[23:20] - */ -#define VMODE_RGB565 0x0 -#define VMODE_RGB1555 0x1 -#define VMODE_RGB888PACKED 0x2 -#define VMODE_RGB888UNPACKED 0x3 -#define VMODE_RGBA888 0x4 -#define VMODE_YUV422PACKED 0x5 -#define VMODE_YUV422PLANAR 0x6 -#define VMODE_YUV420PLANAR 0x7 -#define VMODE_SMPNCMD 0x8 -#define VMODE_PALETTE4BIT 0x9 -#define VMODE_PALETTE8BIT 0xa -#define VMODE_RESERVED 0xb - -/* - * defined Graphic Memory Color format for DMA control 0 register - * DMA0 bit[19:16] - */ -#define GMODE_RGB565 0x0 -#define GMODE_RGB1555 0x1 -#define GMODE_RGB888PACKED 0x2 -#define GMODE_RGB888UNPACKED 0x3 -#define GMODE_RGBA888 0x4 -#define GMODE_YUV422PACKED 0x5 -#define GMODE_YUV422PLANAR 0x6 -#define GMODE_YUV420PLANAR 0x7 -#define GMODE_SMPNCMD 0x8 -#define GMODE_PALETTE4BIT 0x9 -#define GMODE_PALETTE8BIT 0xa -#define GMODE_RESERVED 0xb - -/* - * define for DMA control 1 register - */ -#define DMA1_FRAME_TRIG 31 /* bit location */ -#define DMA1_VSYNC_MODE 28 -#define DMA1_VSYNC_INV 27 -#define DMA1_CKEY 24 -#define DMA1_CARRY 23 -#define DMA1_LNBUF_ENA 22 -#define DMA1_GATED_ENA 21 -#define DMA1_PWRDN_ENA 20 -#define DMA1_DSCALE 18 -#define DMA1_ALPHA_MODE 16 -#define DMA1_ALPHA 08 -#define DMA1_PXLCMD 00 - -/* + * defined for Configure Dumb Mode * defined for Configure Dumb Mode * DUMB LCD Panel bit[31:28] */ @@ -1050,18 +1001,6 @@ struct lcd_regs { #define CFG_CYC_BURST_LEN16 (1<<4) #define CFG_CYC_BURST_LEN8 (0<<4) -/* - * defined Dumb Panel Clock Divider register - * SCLK_Source bit[31] - */ - /* 0: PLL clock select*/ -#define AXI_BUS_SEL 0x80000000 -#define CCD_CLK_SEL 0x40000000 -#define DCON_CLK_SEL 0x20000000 -#define ENA_CLK_INT_DIV CONFIG_FB_DOVE_CLCD_SCLK_DIV -#define IDLE_CLK_INT_DIV 0x1 /* idle Integer Divider */ -#define DIS_CLK_INT_DIV 0x0 /* Disable Integer Divider */ - /* SRAM ID */ #define SRAMID_GAMMA_YR 0x0 #define SRAMID_GAMMA_UG 0x1 @@ -1471,422 +1410,6 @@ struct dsi_regs { #define LVDS_FREQ_OFFSET_MODE_CK_DIV4_OUT (0x1 << 1) #define LVDS_FREQ_OFFSET_MODE_EN (0x1 << 0) -/* VDMA */ -struct vdma_ch_regs { -#define VDMA_DC_SADDR_1 0x320 -#define VDMA_DC_SADDR_2 0x3A0 -#define VDMA_DC_SZ_1 0x324 -#define VDMA_DC_SZ_2 0x3A4 -#define VDMA_CTRL_1 0x328 -#define VDMA_CTRL_2 0x3A8 -#define VDMA_SRC_SZ_1 0x32C -#define VDMA_SRC_SZ_2 0x3AC -#define VDMA_SA_1 0x330 -#define VDMA_SA_2 0x3B0 -#define VDMA_DA_1 0x334 -#define VDMA_DA_2 0x3B4 -#define VDMA_SZ_1 0x338 -#define VDMA_SZ_2 0x3B8 - u32 dc_saddr; - u32 dc_size; - u32 ctrl; - u32 src_size; - u32 src_addr; - u32 dst_addr; - u32 dst_size; -#define VDMA_PITCH_1 0x33C -#define VDMA_PITCH_2 0x3BC -#define VDMA_ROT_CTRL_1 0x340 -#define VDMA_ROT_CTRL_2 0x3C0 -#define VDMA_RAM_CTRL0_1 0x344 -#define VDMA_RAM_CTRL0_2 0x3C4 -#define VDMA_RAM_CTRL1_1 0x348 -#define VDMA_RAM_CTRL1_2 0x3C8 - u32 pitch; - u32 rot_ctrl; - u32 ram_ctrl0; - u32 ram_ctrl1; - -}; -struct vdma_regs { -#define VDMA_ARBR_CTRL 0x300 -#define VDMA_IRQR 0x304 -#define VDMA_IRQM 0x308 -#define VDMA_IRQS 0x30C -#define VDMA_MDMA_ARBR_CTRL 0x310 - u32 arbr_ctr; - u32 irq_raw; - u32 irq_mask; - u32 irq_status; - u32 mdma_arbr_ctrl; - u32 reserved[3]; - - struct vdma_ch_regs ch1; - u32 reserved2[21]; - struct vdma_ch_regs ch2; -}; - -/* CMU */ -#define CMU_PIP_DE_H_CFG 0x0008 -#define CMU_PRI1_H_CFG 0x000C -#define CMU_PRI2_H_CFG 0x0010 -#define CMU_ACE_MAIN_DE1_H_CFG 0x0014 -#define CMU_ACE_MAIN_DE2_H_CFG 0x0018 -#define CMU_ACE_PIP_DE1_H_CFG 0x001C -#define CMU_ACE_PIP_DE2_H_CFG 0x0020 -#define CMU_PIP_DE_V_CFG 0x0024 -#define CMU_PRI_V_CFG 0x0028 -#define CMU_ACE_MAIN_DE_V_CFG 0x002C -#define CMU_ACE_PIP_DE_V_CFG 0x0030 -#define CMU_BAR_0_CFG 0x0034 -#define CMU_BAR_1_CFG 0x0038 -#define CMU_BAR_2_CFG 0x003C -#define CMU_BAR_3_CFG 0x0040 -#define CMU_BAR_4_CFG 0x0044 -#define CMU_BAR_5_CFG 0x0048 -#define CMU_BAR_6_CFG 0x004C -#define CMU_BAR_7_CFG 0x0050 -#define CMU_BAR_8_CFG 0x0054 -#define CMU_BAR_9_CFG 0x0058 -#define CMU_BAR_10_CFG 0x005C -#define CMU_BAR_11_CFG 0x0060 -#define CMU_BAR_12_CFG 0x0064 -#define CMU_BAR_13_CFG 0x0068 -#define CMU_BAR_14_CFG 0x006C -#define CMU_BAR_15_CFG 0x0070 -#define CMU_BAR_CTRL 0x0074 -#define PATTERN_TOTAL 0x0078 -#define PATTERN_ACTIVE 0x007C -#define PATTERN_FRONT_PORCH 0x0080 -#define PATTERN_BACK_PORCH 0x0084 -#define CMU_CLK_CTRL 0x0088 - -#define CMU_ICSC_M_C0_L 0x0900 -#define CMU_ICSC_M_C0_H 0x0901 -#define CMU_ICSC_M_C1_L 0x0902 -#define CMU_ICSC_M_C1_H 0x0903 -#define CMU_ICSC_M_C2_L 0x0904 -#define CMU_ICSC_M_C2_H 0x0905 -#define CMU_ICSC_M_C3_L 0x0906 -#define CMU_ICSC_M_C3_H 0x0907 -#define CMU_ICSC_M_C4_L 0x0908 -#define CMU_ICSC_M_C4_H 0x0909 -#define CMU_ICSC_M_C5_L 0x090A -#define CMU_ICSC_M_C5_H 0x090B -#define CMU_ICSC_M_C6_L 0x090C -#define CMU_ICSC_M_C6_H 0x090D -#define CMU_ICSC_M_C7_L 0x090E -#define CMU_ICSC_M_C7_H 0x090F -#define CMU_ICSC_M_C8_L 0x0910 -#define CMU_ICSC_M_C8_H 0x0911 -#define CMU_ICSC_M_O1_0 0x0914 -#define CMU_ICSC_M_O1_1 0x0915 -#define CMU_ICSC_M_O1_2 0x0916 -#define CMU_ICSC_M_O2_0 0x0918 -#define CMU_ICSC_M_O2_1 0x0919 -#define CMU_ICSC_M_O2_2 0x091A -#define CMU_ICSC_M_O3_0 0x091C -#define CMU_ICSC_M_O3_1 0x091D -#define CMU_ICSC_M_O3_2 0x091E -#define CMU_ICSC_P_C0_L 0x0920 -#define CMU_ICSC_P_C0_H 0x0921 -#define CMU_ICSC_P_C1_L 0x0922 -#define CMU_ICSC_P_C1_H 0x0923 -#define CMU_ICSC_P_C2_L 0x0924 -#define CMU_ICSC_P_C2_H 0x0925 -#define CMU_ICSC_P_C3_L 0x0926 -#define CMU_ICSC_P_C3_H 0x0927 -#define CMU_ICSC_P_C4_L 0x0928 -#define CMU_ICSC_P_C4_H 0x0929 -#define CMU_ICSC_P_C5_L 0x092A -#define CMU_ICSC_P_C5_H 0x092B -#define CMU_ICSC_P_C6_L 0x092C -#define CMU_ICSC_P_C6_H 0x092D -#define CMU_ICSC_P_C7_L 0x092E -#define CMU_ICSC_P_C7_H 0x092F -#define CMU_ICSC_P_C8_L 0x0930 -#define CMU_ICSC_P_C8_H 0x0931 -#define CMU_ICSC_P_O1_0 0x0934 -#define CMU_ICSC_P_O1_1 0x0935 -#define CMU_ICSC_P_O1_2 0x0936 -#define CMU_ICSC_P_O2_0 0x0938 -#define CMU_ICSC_P_O2_1 0x0939 -#define CMU_ICSC_P_O2_2 0x093A -#define CMU_ICSC_P_O3_0 0x093C -#define CMU_ICSC_P_O3_1 0x093D -#define CMU_ICSC_P_O3_2 0x093E -#define CMU_BR_M_EN 0x0940 -#define CMU_BR_M_TH1_L 0x0942 -#define CMU_BR_M_TH1_H 0x0943 -#define CMU_BR_M_TH2_L 0x0944 -#define CMU_BR_M_TH2_H 0x0945 -#define CMU_ACE_M_EN 0x0950 -#define CMU_ACE_M_WFG1 0x0951 -#define CMU_ACE_M_WFG2 0x0952 -#define CMU_ACE_M_WFG3 0x0953 -#define CMU_ACE_M_TH0 0x0954 -#define CMU_ACE_M_TH1 0x0955 -#define CMU_ACE_M_TH2 0x0956 -#define CMU_ACE_M_TH3 0x0957 -#define CMU_ACE_M_TH4 0x0958 -#define CMU_ACE_M_TH5 0x0959 -#define CMU_ACE_M_OP0_L 0x095A -#define CMU_ACE_M_OP0_H 0x095B -#define CMU_ACE_M_OP5_L 0x095C -#define CMU_ACE_M_OP5_H 0x095D -#define CMU_ACE_M_GB2 0x095E -#define CMU_ACE_M_GB3 0x095F -#define CMU_ACE_M_MS1 0x0960 -#define CMU_ACE_M_MS2 0x0961 -#define CMU_ACE_M_MS3 0x0962 -#define CMU_BR_P_EN 0x0970 -#define CMU_BR_P_TH1_L 0x0972 -#define CMU_BR_P_TH1_H 0x0973 -#define CMU_BR_P_TH2_L 0x0974 -#define CMU_BR_P_TH2_H 0x0975 -#define CMU_ACE_P_EN 0x0980 -#define CMU_ACE_P_WFG1 0x0981 -#define CMU_ACE_P_WFG2 0x0982 -#define CMU_ACE_P_WFG3 0x0983 -#define CMU_ACE_P_TH0 0x0984 -#define CMU_ACE_P_TH1 0x0985 -#define CMU_ACE_P_TH2 0x0986 -#define CMU_ACE_P_TH3 0x0987 -#define CMU_ACE_P_TH4 0x0988 -#define CMU_ACE_P_TH5 0x0989 -#define CMU_ACE_P_OP0_L 0x098A -#define CMU_ACE_P_OP0_H 0x098B -#define CMU_ACE_P_OP5_L 0x098C -#define CMU_ACE_P_OP5_H 0x098D -#define CMU_ACE_P_GB2 0x098E -#define CMU_ACE_P_GB3 0x098F -#define CMU_ACE_P_MS1 0x0990 -#define CMU_ACE_P_MS2 0x0991 -#define CMU_ACE_P_MS3 0x0992 -#define CMU_FTDC_M_EN 0x09A0 -#define CMU_FTDC_P_EN 0x09A1 -#define CMU_FTDC_INLOW_L 0x09A2 -#define CMU_FTDC_INLOW_H 0x09A3 -#define CMU_FTDC_INHIGH_L 0x09A4 -#define CMU_FTDC_INHIGH_H 0x09A5 -#define CMU_FTDC_OUTLOW_L 0x09A6 -#define CMU_FTDC_OUTLOW_H 0x09A7 -#define CMU_FTDC_OUTHIGH_L 0x09A8 -#define CMU_FTDC_OUTHIGH_H 0x09A9 -#define CMU_FTDC_YLOW 0x09AA -#define CMU_FTDC_YHIGH 0x09AB -#define CMU_FTDC_CH1 0x09AC -#define CMU_FTDC_CH2_L 0x09AE -#define CMU_FTDC_CH2_H 0x09AF -#define CMU_FTDC_CH3_L 0x09B0 -#define CMU_FTDC_CH3_H 0x09B1 -#define CMU_FTDC_1_C00_6 0x09B2 -#define CMU_FTDC_1_C01_6 0x09B8 -#define CMU_FTDC_1_C11_6 0x09BE -#define CMU_FTDC_1_C10_6 0x09C4 -#define CMU_FTDC_1_OFF00_6 0x09CA -#define CMU_FTDC_1_OFF10_6 0x09D0 -#define CMU_HS_M_EN 0x0A00 -#define CMU_HS_M_AX1_L 0x0A02 -#define CMU_HS_M_AX1_H 0x0A03 -#define CMU_HS_M_AX2_L 0x0A04 -#define CMU_HS_M_AX2_H 0x0A05 -#define CMU_HS_M_AX3_L 0x0A06 -#define CMU_HS_M_AX3_H 0x0A07 -#define CMU_HS_M_AX4_L 0x0A08 -#define CMU_HS_M_AX4_H 0x0A09 -#define CMU_HS_M_AX5_L 0x0A0A -#define CMU_HS_M_AX5_H 0x0A0B -#define CMU_HS_M_AX6_L 0x0A0C -#define CMU_HS_M_AX6_H 0x0A0D -#define CMU_HS_M_AX7_L 0x0A0E -#define CMU_HS_M_AX7_H 0x0A0F -#define CMU_HS_M_AX8_L 0x0A10 -#define CMU_HS_M_AX8_H 0x0A11 -#define CMU_HS_M_AX9_L 0x0A12 -#define CMU_HS_M_AX9_H 0x0A13 -#define CMU_HS_M_AX10_L 0x0A14 -#define CMU_HS_M_AX10_H 0x0A15 -#define CMU_HS_M_AX11_L 0x0A16 -#define CMU_HS_M_AX11_H 0x0A17 -#define CMU_HS_M_AX12_L 0x0A18 -#define CMU_HS_M_AX12_H 0x0A19 -#define CMU_HS_M_AX13_L 0x0A1A -#define CMU_HS_M_AX13_H 0x0A1B -#define CMU_HS_M_AX14_L 0x0A1C -#define CMU_HS_M_AX14_H 0x0A1D -#define CMU_HS_M_H1_H14 0x0A1E -#define CMU_HS_M_S1_S14 0x0A2C -#define CMU_HS_M_GL 0x0A3A -#define CMU_HS_M_MAXSAT_RGB_Y_L 0x0A3C -#define CMU_HS_M_MAXSAT_RGB_Y_H 0x0A3D -#define CMU_HS_M_MAXSAT_RCR_L 0x0A3E -#define CMU_HS_M_MAXSAT_RCR_H 0x0A3F -#define CMU_HS_M_MAXSAT_RCB_L 0x0A40 -#define CMU_HS_M_MAXSAT_RCB_H 0x0A41 -#define CMU_HS_M_MAXSAT_GCR_L 0x0A42 -#define CMU_HS_M_MAXSAT_GCR_H 0x0A43 -#define CMU_HS_M_MAXSAT_GCB_L 0x0A44 -#define CMU_HS_M_MAXSAT_GCB_H 0x0A45 -#define CMU_HS_M_MAXSAT_BCR_L 0x0A46 -#define CMU_HS_M_MAXSAT_BCR_H 0x0A47 -#define CMU_HS_M_MAXSAT_BCB_L 0x0A48 -#define CMU_HS_M_MAXSAT_BCB_H 0x0A49 -#define CMU_HS_M_ROFF_L 0x0A4A -#define CMU_HS_M_ROFF_H 0x0A4B -#define CMU_HS_M_GOFF_L 0x0A4C -#define CMU_HS_M_GOFF_H 0x0A4D -#define CMU_HS_M_BOFF_L 0x0A4E -#define CMU_HS_M_BOFF_H 0x0A4F -#define CMU_HS_P_EN 0x0A50 -#define CMU_HS_P_AX1_L 0x0A52 -#define CMU_HS_P_AX1_H 0x0A53 -#define CMU_HS_P_AX2_L 0x0A54 -#define CMU_HS_P_AX2_H 0x0A55 -#define CMU_HS_P_AX3_L 0x0A56 -#define CMU_HS_P_AX3_H 0x0A57 -#define CMU_HS_P_AX4_L 0x0A58 -#define CMU_HS_P_AX4_H 0x0A59 -#define CMU_HS_P_AX5_L 0x0A5A -#define CMU_HS_P_AX5_H 0x0A5B -#define CMU_HS_P_AX6_L 0x0A5C -#define CMU_HS_P_AX6_H 0x0A5D -#define CMU_HS_P_AX7_L 0x0A5E -#define CMU_HS_P_AX7_H 0x0A5F -#define CMU_HS_P_AX8_L 0x0A60 -#define CMU_HS_P_AX8_H 0x0A61 -#define CMU_HS_P_AX9_L 0x0A62 -#define CMU_HS_P_AX9_H 0x0A63 -#define CMU_HS_P_AX10_L 0x0A64 -#define CMU_HS_P_AX10_H 0x0A65 -#define CMU_HS_P_AX11_L 0x0A66 -#define CMU_HS_P_AX11_H 0x0A67 -#define CMU_HS_P_AX12_L 0x0A68 -#define CMU_HS_P_AX12_H 0x0A69 -#define CMU_HS_P_AX13_L 0x0A6A -#define CMU_HS_P_AX13_H 0x0A6B -#define CMU_HS_P_AX14_L 0x0A6C -#define CMU_HS_P_AX14_H 0x0A6D -#define CMU_HS_P_H1_H14 0x0A6E -#define CMU_HS_P_S1_S14 0x0A7C -#define CMU_HS_P_GL 0x0A8A -#define CMU_HS_P_MAXSAT_RGB_Y_L 0x0A8C -#define CMU_HS_P_MAXSAT_RGB_Y_H 0x0A8D -#define CMU_HS_P_MAXSAT_RCR_L 0x0A8E -#define CMU_HS_P_MAXSAT_RCR_H 0x0A8F -#define CMU_HS_P_MAXSAT_RCB_L 0x0A90 -#define CMU_HS_P_MAXSAT_RCB_H 0x0A91 -#define CMU_HS_P_MAXSAT_GCR_L 0x0A92 -#define CMU_HS_P_MAXSAT_GCR_H 0x0A93 -#define CMU_HS_P_MAXSAT_GCB_L 0x0A94 -#define CMU_HS_P_MAXSAT_GCB_H 0x0A95 -#define CMU_HS_P_MAXSAT_BCR_L 0x0A96 -#define CMU_HS_P_MAXSAT_BCR_H 0x0A97 -#define CMU_HS_P_MAXSAT_BCB_L 0x0A98 -#define CMU_HS_P_MAXSAT_BCB_H 0x0A99 -#define CMU_HS_P_ROFF_L 0x0A9A -#define CMU_HS_P_ROFF_H 0x0A9B -#define CMU_HS_P_GOFF_L 0x0A9C -#define CMU_HS_P_GOFF_H 0x0A9D -#define CMU_HS_P_BOFF_L 0x0A9E -#define CMU_HS_P_BOFF_H 0x0A9F -#define CMU_GLCSC_M_C0_L 0x0AA0 -#define CMU_GLCSC_M_C0_H 0x0AA1 -#define CMU_GLCSC_M_C1_L 0x0AA2 -#define CMU_GLCSC_M_C1_H 0x0AA3 -#define CMU_GLCSC_M_C2_L 0x0AA4 -#define CMU_GLCSC_M_C2_H 0x0AA5 -#define CMU_GLCSC_M_C3_L 0x0AA6 -#define CMU_GLCSC_M_C3_H 0x0AA7 -#define CMU_GLCSC_M_C4_L 0x0AA8 -#define CMU_GLCSC_M_C4_H 0x0AA9 -#define CMU_GLCSC_M_C5_L 0x0AAA -#define CMU_GLCSC_M_C5_H 0x0AAB -#define CMU_GLCSC_M_C6_L 0x0AAC -#define CMU_GLCSC_M_C6_H 0x0AAD -#define CMU_GLCSC_M_C7_L 0x0AAE -#define CMU_GLCSC_M_C7_H 0x0AAF -#define CMU_GLCSC_M_C8_L 0x0AB0 -#define CMU_GLCSC_M_C8_H 0x0AB1 -#define CMU_GLCSC_M_O1_1 0x0AB4 -#define CMU_GLCSC_M_O1_2 0x0AB5 -#define CMU_GLCSC_M_O1_3 0x0AB6 -#define CMU_GLCSC_M_O2_1 0x0AB8 -#define CMU_GLCSC_M_O2_2 0x0AB9 -#define CMU_GLCSC_M_O2_3 0x0ABA -#define CMU_GLCSC_M_O3_1 0x0ABC -#define CMU_GLCSC_M_O3_2 0x0ABD -#define CMU_GLCSC_M_O3_3 0x0ABE -#define CMU_GLCSC_P_C0_L 0x0AC0 -#define CMU_GLCSC_P_C0_H 0x0AC1 -#define CMU_GLCSC_P_C1_L 0x0AC2 -#define CMU_GLCSC_P_C1_H 0x0AC3 -#define CMU_GLCSC_P_C2_L 0x0AC4 -#define CMU_GLCSC_P_C2_H 0x0AC5 -#define CMU_GLCSC_P_C3_L 0x0AC6 -#define CMU_GLCSC_P_C3_H 0x0AC7 -#define CMU_GLCSC_P_C4_L 0x0AC8 -#define CMU_GLCSC_P_C4_H 0x0AC9 -#define CMU_GLCSC_P_C5_L 0x0ACA -#define CMU_GLCSC_P_C5_H 0x0ACB -#define CMU_GLCSC_P_C6_L 0x0ACC -#define CMU_GLCSC_P_C6_H 0x0ACD -#define CMU_GLCSC_P_C7_L 0x0ACE -#define CMU_GLCSC_P_C7_H 0x0ACF -#define CMU_GLCSC_P_C8_L 0x0AD0 -#define CMU_GLCSC_P_C8_H 0x0AD1 -#define CMU_GLCSC_P_O1_1 0x0AD4 -#define CMU_GLCSC_P_O1_2 0x0AD5 -#define CMU_GLCSC_P_O1_3 0x0AD6 -#define CMU_GLCSC_P_O2_1 0x0AD8 -#define CMU_GLCSC_P_O2_2 0x0AD9 -#define CMU_GLCSC_P_O2_3 0x0ADA -#define CMU_GLCSC_P_O3_1 0x0ADC -#define CMU_GLCSC_P_O3_2 0x0ADD -#define CMU_GLCSC_P_O3_3 0x0ADE -#define CMU_PIXVAL_M_EN 0x0AE0 -#define CMU_PIXVAL_P_EN 0x0AE1 - -#define CMU_CLK_CTRL_TCLK 0x0 -#define CMU_CLK_CTRL_SCLK 0x2 -#define CMU_CLK_CTRL_MSK 0x2 -#define CMU_CLK_CTRL_ENABLE 0x1 - -#define LCD_TOP_CTRL_TV 0x2 -#define LCD_TOP_CTRL_PN 0x0 -#define LCD_TOP_CTRL_SEL_MSK 0x2 -#define LCD_IO_CMU_IN_SEL_MSK (0x3 << 20) -#define LCD_IO_CMU_IN_SEL_TV 0 -#define LCD_IO_CMU_IN_SEL_PN 1 -#define LCD_IO_CMU_IN_SEL_PN2 2 -#define LCD_IO_TV_OUT_SEL_MSK (0x3 << 26) -#define LCD_IO_PN_OUT_SEL_MSK (0x3 << 24) -#define LCD_IO_PN2_OUT_SEL_MSK (0x3 << 28) -#define LCD_IO_TV_OUT_SEL_NON 3 -#define LCD_IO_PN_OUT_SEL_NON 3 -#define LCD_IO_PN2_OUT_SEL_NON 3 -#define LCD_TOP_CTRL_CMU_ENABLE 0x1 -#define LCD_IO_OVERL_MSK 0xC00000 -#define LCD_IO_OVERL_TV 0x0 -#define LCD_IO_OVERL_LCD1 0x400000 -#define LCD_IO_OVERL_LCD2 0xC00000 -#define HINVERT_MSK 0x4 -#define VINVERT_MSK 0x8 -#define HINVERT_LEN 0x2 -#define VINVERT_LEN 0x3 - -#define CMU_CTRL 0x88 -#define CMU_CTRL_A0_MSK 0x6 -#define CMU_CTRL_A0_TV 0x0 -#define CMU_CTRL_A0_LCD1 0x1 -#define CMU_CTRL_A0_LCD2 0x2 -#define CMU_CTRL_A0_HDMI 0x3 - -#define ICR_DRV_ROUTE_OFF 0x0 -#define ICR_DRV_ROUTE_TV 0x1 -#define ICR_DRV_ROUTE_LCD1 0x2 -#define ICR_DRV_ROUTE_LCD2 0x3 - enum { PATH_PN = 0, PATH_TV, diff --git a/drivers/video/mxsfb.c b/drivers/video/mxsfb.c index 755556ca5b2..45169cbaba6 100644 --- a/drivers/video/mxsfb.c +++ b/drivers/video/mxsfb.c @@ -169,6 +169,7 @@ struct mxsfb_info { unsigned dotclk_delay; const struct mxsfb_devdata *devdata; int mapped; + u32 sync; }; #define mxsfb_is_v3(host) (host->devdata->ipversion == 3) @@ -456,9 +457,9 @@ static int mxsfb_set_par(struct fb_info *fb_info) vdctrl0 |= VDCTRL0_HSYNC_ACT_HIGH; if (fb_info->var.sync & FB_SYNC_VERT_HIGH_ACT) vdctrl0 |= VDCTRL0_VSYNC_ACT_HIGH; - if (fb_info->var.sync & FB_SYNC_DATA_ENABLE_HIGH_ACT) + if (host->sync & MXSFB_SYNC_DATA_ENABLE_HIGH_ACT) vdctrl0 |= VDCTRL0_ENABLE_ACT_HIGH; - if (fb_info->var.sync & FB_SYNC_DOTCLK_FAILING_ACT) + if (host->sync & MXSFB_SYNC_DOTCLK_FAILING_ACT) vdctrl0 |= VDCTRL0_DOTCLK_ACT_FAILING; writel(vdctrl0, host->base + LCDC_VDCTRL0); @@ -861,6 +862,8 @@ static int mxsfb_probe(struct platform_device *pdev) INIT_LIST_HEAD(&fb_info->modelist); + host->sync = pdata->sync; + ret = mxsfb_init_fbinfo(host); if (ret != 0) goto error_init_fb; diff --git a/drivers/video/of_display_timing.c b/drivers/video/of_display_timing.c index 13ecd989701..56009bc02b0 100644 --- a/drivers/video/of_display_timing.c +++ b/drivers/video/of_display_timing.c @@ -79,25 +79,24 @@ static struct display_timing *of_get_display_timing(struct device_node *np) ret |= parse_timing_property(np, "vsync-len", &dt->vsync_len); ret |= parse_timing_property(np, "clock-frequency", &dt->pixelclock); - dt->dmt_flags = 0; - dt->data_flags = 0; + dt->flags = 0; if (!of_property_read_u32(np, "vsync-active", &val)) - dt->dmt_flags |= val ? VESA_DMT_VSYNC_HIGH : - VESA_DMT_VSYNC_LOW; + dt->flags |= val ? DISPLAY_FLAGS_VSYNC_HIGH : + DISPLAY_FLAGS_VSYNC_LOW; if (!of_property_read_u32(np, "hsync-active", &val)) - dt->dmt_flags |= val ? VESA_DMT_HSYNC_HIGH : - VESA_DMT_HSYNC_LOW; + dt->flags |= val ? DISPLAY_FLAGS_HSYNC_HIGH : + DISPLAY_FLAGS_HSYNC_LOW; if (!of_property_read_u32(np, "de-active", &val)) - dt->data_flags |= val ? DISPLAY_FLAGS_DE_HIGH : + dt->flags |= val ? DISPLAY_FLAGS_DE_HIGH : DISPLAY_FLAGS_DE_LOW; if (!of_property_read_u32(np, "pixelclk-active", &val)) - dt->data_flags |= val ? DISPLAY_FLAGS_PIXDATA_POSEDGE : + dt->flags |= val ? DISPLAY_FLAGS_PIXDATA_POSEDGE : DISPLAY_FLAGS_PIXDATA_NEGEDGE; if (of_property_read_bool(np, "interlaced")) - dt->data_flags |= DISPLAY_FLAGS_INTERLACED; + dt->flags |= DISPLAY_FLAGS_INTERLACED; if (of_property_read_bool(np, "doublescan")) - dt->data_flags |= DISPLAY_FLAGS_DOUBLESCAN; + dt->flags |= DISPLAY_FLAGS_DOUBLESCAN; if (ret) { pr_err("%s: error reading timing properties\n", diff --git a/drivers/video/of_videomode.c b/drivers/video/of_videomode.c index 5b8066cd397..111c2d1911d 100644 --- a/drivers/video/of_videomode.c +++ b/drivers/video/of_videomode.c @@ -43,7 +43,7 @@ int of_get_videomode(struct device_node *np, struct videomode *vm, if (index == OF_USE_NATIVE_MODE) index = disp->native_mode; - ret = videomode_from_timing(disp, vm, index); + ret = videomode_from_timings(disp, vm, index); if (ret) return ret; diff --git a/drivers/video/omap/Kconfig b/drivers/video/omap/Kconfig index e512581300f..0bc3a936ce2 100644 --- a/drivers/video/omap/Kconfig +++ b/drivers/video/omap/Kconfig @@ -39,17 +39,6 @@ config FB_OMAP_LCD_MIPID the Mobile Industry Processor Interface DBI-C/DCS specification. (Supported LCDs: Philips LPH8923, Sharp LS041Y3) -config FB_OMAP_CONSISTENT_DMA_SIZE - int "Consistent DMA memory size (MB)" - depends on FB_OMAP - range 1 14 - default 2 - help - Increase the DMA consistent memory size according to your video - memory needs, for example if you want to use multiple planes. - The size must be 2MB aligned. - If unsure say 1. - config FB_OMAP_DMA_TUNE bool "Set DMA SDRAM access priority high" depends on FB_OMAP diff --git a/drivers/video/omap/lcd_ams_delta.c b/drivers/video/omap/lcd_ams_delta.c index ed4cad87fbc..4a5f2cd3d3b 100644 --- a/drivers/video/omap/lcd_ams_delta.c +++ b/drivers/video/omap/lcd_ams_delta.c @@ -27,6 +27,7 @@ #include <linux/lcd.h> #include <linux/gpio.h> +#include <mach/hardware.h> #include <mach/board-ams-delta.h> #include "omapfb.h" diff --git a/drivers/video/omap/lcd_osk.c b/drivers/video/omap/lcd_osk.c index 3aa62da8919..7fbe04bce0e 100644 --- a/drivers/video/omap/lcd_osk.c +++ b/drivers/video/omap/lcd_osk.c @@ -24,7 +24,10 @@ #include <linux/platform_device.h> #include <asm/gpio.h> + +#include <mach/hardware.h> #include <mach/mux.h> + #include "omapfb.h" static int osk_panel_init(struct lcd_panel *panel, struct omapfb_device *fbdev) diff --git a/drivers/video/omap/omapfb_main.c b/drivers/video/omap/omapfb_main.c index e31f5b33b50..d40612c31a9 100644 --- a/drivers/video/omap/omapfb_main.c +++ b/drivers/video/omap/omapfb_main.c @@ -32,6 +32,8 @@ #include <linux/omap-dma.h> +#include <mach/hardware.h> + #include "omapfb.h" #include "lcdc.h" diff --git a/drivers/video/omap2/Makefile b/drivers/video/omap2/Makefile index 5ea7cb9aed1..296e5c5281c 100644 --- a/drivers/video/omap2/Makefile +++ b/drivers/video/omap2/Makefile @@ -1,5 +1,5 @@ obj-$(CONFIG_OMAP2_VRFB) += vrfb.o obj-$(CONFIG_OMAP2_DSS) += dss/ -obj-$(CONFIG_FB_OMAP2) += omapfb/ obj-y += displays/ +obj-$(CONFIG_FB_OMAP2) += omapfb/ diff --git a/drivers/video/omap2/displays/panel-acx565akm.c b/drivers/video/omap2/displays/panel-acx565akm.c index 72699f88c00..d7f69c09ecf 100644 --- a/drivers/video/omap2/displays/panel-acx565akm.c +++ b/drivers/video/omap2/displays/panel-acx565akm.c @@ -29,8 +29,10 @@ #include <linux/sched.h> #include <linux/backlight.h> #include <linux/fb.h> +#include <linux/gpio.h> #include <video/omapdss.h> +#include <video/omap-panel-data.h> #define MIPID_CMD_READ_DISP_ID 0x04 #define MIPID_CMD_READ_RED 0x06 @@ -336,8 +338,6 @@ static int acx565akm_bl_update_status(struct backlight_device *dev) r = 0; if (md->has_bc) acx565akm_set_brightness(md, level); - else if (md->dssdev->set_backlight) - r = md->dssdev->set_backlight(md->dssdev, level); else r = -ENODEV; @@ -352,7 +352,7 @@ static int acx565akm_bl_get_intensity(struct backlight_device *dev) dev_dbg(&dev->dev, "%s\n", __func__); - if (!md->has_bc && md->dssdev->set_backlight == NULL) + if (!md->has_bc) return -ENODEV; if (dev->props.fb_blank == FB_BLANK_UNBLANK && @@ -496,21 +496,38 @@ static struct omap_video_timings acx_panel_timings = { .sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES, }; +static struct panel_acx565akm_data *get_panel_data(struct omap_dss_device *dssdev) +{ + return (struct panel_acx565akm_data *) dssdev->data; +} + static int acx_panel_probe(struct omap_dss_device *dssdev) { int r; struct acx565akm_device *md = &acx_dev; + struct panel_acx565akm_data *panel_data = get_panel_data(dssdev); struct backlight_device *bldev; int max_brightness, brightness; struct backlight_properties props; dev_dbg(&dssdev->dev, "%s\n", __func__); + if (!panel_data) + return -EINVAL; + /* FIXME AC bias ? */ dssdev->panel.timings = acx_panel_timings; - if (dssdev->platform_enable) - dssdev->platform_enable(dssdev); + if (gpio_is_valid(panel_data->reset_gpio)) { + r = devm_gpio_request_one(&dssdev->dev, panel_data->reset_gpio, + GPIOF_OUT_INIT_LOW, "lcd reset"); + if (r) + return r; + } + + if (gpio_is_valid(panel_data->reset_gpio)) + gpio_set_value(panel_data->reset_gpio, 1); + /* * After reset we have to wait 5 msec before the first * command can be sent. @@ -522,8 +539,9 @@ static int acx_panel_probe(struct omap_dss_device *dssdev) r = panel_detect(md); if (r) { dev_err(&dssdev->dev, "%s panel detect error\n", __func__); - if (!md->enabled && dssdev->platform_disable) - dssdev->platform_disable(dssdev); + if (!md->enabled && gpio_is_valid(panel_data->reset_gpio)) + gpio_set_value(panel_data->reset_gpio, 0); + return r; } @@ -532,8 +550,8 @@ static int acx_panel_probe(struct omap_dss_device *dssdev) mutex_unlock(&acx_dev.mutex); if (!md->enabled) { - if (dssdev->platform_disable) - dssdev->platform_disable(dssdev); + if (gpio_is_valid(panel_data->reset_gpio)) + gpio_set_value(panel_data->reset_gpio, 0); } /*------- Backlight control --------*/ @@ -557,15 +575,10 @@ static int acx_panel_probe(struct omap_dss_device *dssdev) md->cabc_mode = get_hw_cabc_mode(md); } - if (md->has_bc) - max_brightness = 255; - else - max_brightness = dssdev->max_backlight_level; + max_brightness = 255; if (md->has_bc) brightness = acx565akm_get_actual_brightness(md); - else if (dssdev->get_backlight) - brightness = dssdev->get_backlight(dssdev); else brightness = 0; @@ -591,6 +604,7 @@ static void acx_panel_remove(struct omap_dss_device *dssdev) static int acx_panel_power_on(struct omap_dss_device *dssdev) { struct acx565akm_device *md = &acx_dev; + struct panel_acx565akm_data *panel_data = get_panel_data(dssdev); int r; dev_dbg(&dssdev->dev, "%s\n", __func__); @@ -612,11 +626,8 @@ static int acx_panel_power_on(struct omap_dss_device *dssdev) /*FIXME tweak me */ msleep(50); - if (dssdev->platform_enable) { - r = dssdev->platform_enable(dssdev); - if (r) - goto fail; - } + if (gpio_is_valid(panel_data->reset_gpio)) + gpio_set_value(panel_data->reset_gpio, 1); if (md->enabled) { dev_dbg(&md->spi->dev, "panel already enabled\n"); @@ -645,8 +656,7 @@ static int acx_panel_power_on(struct omap_dss_device *dssdev) mutex_unlock(&md->mutex); return acx565akm_bl_update_status(md->bl_dev); -fail: - omapdss_sdi_display_disable(dssdev); + fail_unlock: mutex_unlock(&md->mutex); return r; @@ -655,6 +665,7 @@ fail_unlock: static void acx_panel_power_off(struct omap_dss_device *dssdev) { struct acx565akm_device *md = &acx_dev; + struct panel_acx565akm_data *panel_data = get_panel_data(dssdev); dev_dbg(&dssdev->dev, "%s\n", __func__); @@ -678,8 +689,8 @@ static void acx_panel_power_off(struct omap_dss_device *dssdev) */ msleep(50); - if (dssdev->platform_disable) - dssdev->platform_disable(dssdev); + if (gpio_is_valid(panel_data->reset_gpio)) + gpio_set_value(panel_data->reset_gpio, 0); /* FIXME need to tweak this delay */ msleep(100); diff --git a/drivers/video/omap2/displays/panel-generic-dpi.c b/drivers/video/omap2/displays/panel-generic-dpi.c index c904f42d81c..97363f73368 100644 --- a/drivers/video/omap2/displays/panel-generic-dpi.c +++ b/drivers/video/omap2/displays/panel-generic-dpi.c @@ -33,9 +33,10 @@ #include <linux/module.h> #include <linux/delay.h> #include <linux/slab.h> +#include <linux/gpio.h> #include <video/omapdss.h> -#include <video/omap-panel-generic-dpi.h> +#include <video/omap-panel-data.h> struct panel_config { struct omap_video_timings timings; @@ -533,7 +534,7 @@ static inline struct panel_generic_dpi_data static int generic_dpi_panel_power_on(struct omap_dss_device *dssdev) { - int r; + int r, i; struct panel_generic_dpi_data *panel_data = get_panel_data(dssdev); struct panel_drv_data *drv_data = dev_get_drvdata(&dssdev->dev); struct panel_config *panel_config = drv_data->panel_config; @@ -552,15 +553,13 @@ static int generic_dpi_panel_power_on(struct omap_dss_device *dssdev) if (panel_config->power_on_delay) msleep(panel_config->power_on_delay); - if (panel_data->platform_enable) { - r = panel_data->platform_enable(dssdev); - if (r) - goto err1; + for (i = 0; i < panel_data->num_gpios; ++i) { + gpio_set_value_cansleep(panel_data->gpios[i], + panel_data->gpio_invert[i] ? 0 : 1); } return 0; -err1: - omapdss_dpi_display_disable(dssdev); + err0: return r; } @@ -570,12 +569,15 @@ static void generic_dpi_panel_power_off(struct omap_dss_device *dssdev) struct panel_generic_dpi_data *panel_data = get_panel_data(dssdev); struct panel_drv_data *drv_data = dev_get_drvdata(&dssdev->dev); struct panel_config *panel_config = drv_data->panel_config; + int i; if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE) return; - if (panel_data->platform_disable) - panel_data->platform_disable(dssdev); + for (i = panel_data->num_gpios - 1; i >= 0; --i) { + gpio_set_value_cansleep(panel_data->gpios[i], + panel_data->gpio_invert[i] ? 1 : 0); + } /* wait couple of vsyncs after disabling the LCD */ if (panel_config->power_off_delay) @@ -589,7 +591,7 @@ static int generic_dpi_panel_probe(struct omap_dss_device *dssdev) struct panel_generic_dpi_data *panel_data = get_panel_data(dssdev); struct panel_config *panel_config = NULL; struct panel_drv_data *drv_data = NULL; - int i; + int i, r; dev_dbg(&dssdev->dev, "probe\n"); @@ -606,9 +608,18 @@ static int generic_dpi_panel_probe(struct omap_dss_device *dssdev) if (!panel_config) return -EINVAL; + for (i = 0; i < panel_data->num_gpios; ++i) { + r = devm_gpio_request_one(&dssdev->dev, panel_data->gpios[i], + panel_data->gpio_invert[i] ? + GPIOF_OUT_INIT_HIGH : GPIOF_OUT_INIT_LOW, + "panel gpio"); + if (r) + return r; + } + dssdev->panel.timings = panel_config->timings; - drv_data = kzalloc(sizeof(*drv_data), GFP_KERNEL); + drv_data = devm_kzalloc(&dssdev->dev, sizeof(*drv_data), GFP_KERNEL); if (!drv_data) return -ENOMEM; @@ -624,12 +635,8 @@ static int generic_dpi_panel_probe(struct omap_dss_device *dssdev) static void __exit generic_dpi_panel_remove(struct omap_dss_device *dssdev) { - struct panel_drv_data *drv_data = dev_get_drvdata(&dssdev->dev); - dev_dbg(&dssdev->dev, "remove\n"); - kfree(drv_data); - dev_set_drvdata(&dssdev->dev, NULL); } diff --git a/drivers/video/omap2/displays/panel-lgphilips-lb035q02.c b/drivers/video/omap2/displays/panel-lgphilips-lb035q02.c index 6e5abe8fd2d..4ea6548c0ae 100644 --- a/drivers/video/omap2/displays/panel-lgphilips-lb035q02.c +++ b/drivers/video/omap2/displays/panel-lgphilips-lb035q02.c @@ -20,8 +20,10 @@ #include <linux/delay.h> #include <linux/spi/spi.h> #include <linux/mutex.h> +#include <linux/gpio.h> #include <video/omapdss.h> +#include <video/omap-panel-data.h> struct lb035q02_data { struct mutex lock; @@ -48,9 +50,16 @@ static struct omap_video_timings lb035q02_timings = { .sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES, }; +static inline struct panel_generic_dpi_data +*get_panel_data(const struct omap_dss_device *dssdev) +{ + return (struct panel_generic_dpi_data *) dssdev->data; +} + static int lb035q02_panel_power_on(struct omap_dss_device *dssdev) { - int r; + struct panel_generic_dpi_data *panel_data = get_panel_data(dssdev); + int r, i; if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) return 0; @@ -62,54 +71,65 @@ static int lb035q02_panel_power_on(struct omap_dss_device *dssdev) if (r) goto err0; - if (dssdev->platform_enable) { - r = dssdev->platform_enable(dssdev); - if (r) - goto err1; + for (i = 0; i < panel_data->num_gpios; ++i) { + gpio_set_value_cansleep(panel_data->gpios[i], + panel_data->gpio_invert[i] ? 0 : 1); } return 0; -err1: - omapdss_dpi_display_disable(dssdev); + err0: return r; } static void lb035q02_panel_power_off(struct omap_dss_device *dssdev) { + struct panel_generic_dpi_data *panel_data = get_panel_data(dssdev); + int i; + if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE) return; - if (dssdev->platform_disable) - dssdev->platform_disable(dssdev); + for (i = panel_data->num_gpios - 1; i >= 0; --i) { + gpio_set_value_cansleep(panel_data->gpios[i], + panel_data->gpio_invert[i] ? 1 : 0); + } omapdss_dpi_display_disable(dssdev); } static int lb035q02_panel_probe(struct omap_dss_device *dssdev) { + struct panel_generic_dpi_data *panel_data = get_panel_data(dssdev); struct lb035q02_data *ld; - int r; + int r, i; + + if (!panel_data) + return -EINVAL; dssdev->panel.timings = lb035q02_timings; - ld = kzalloc(sizeof(*ld), GFP_KERNEL); - if (!ld) { - r = -ENOMEM; - goto err; + ld = devm_kzalloc(&dssdev->dev, sizeof(*ld), GFP_KERNEL); + if (!ld) + return -ENOMEM; + + for (i = 0; i < panel_data->num_gpios; ++i) { + r = devm_gpio_request_one(&dssdev->dev, panel_data->gpios[i], + panel_data->gpio_invert[i] ? + GPIOF_OUT_INIT_HIGH : GPIOF_OUT_INIT_LOW, + "panel gpio"); + if (r) + return r; } + mutex_init(&ld->lock); dev_set_drvdata(&dssdev->dev, ld); + return 0; -err: - return r; } static void lb035q02_panel_remove(struct omap_dss_device *dssdev) { - struct lb035q02_data *ld = dev_get_drvdata(&dssdev->dev); - - kfree(ld); } static int lb035q02_panel_enable(struct omap_dss_device *dssdev) diff --git a/drivers/video/omap2/displays/panel-n8x0.c b/drivers/video/omap2/displays/panel-n8x0.c index dd129475080..f94ead6a318 100644 --- a/drivers/video/omap2/displays/panel-n8x0.c +++ b/drivers/video/omap2/displays/panel-n8x0.c @@ -5,11 +5,10 @@ #include <linux/slab.h> #include <linux/gpio.h> #include <linux/spi/spi.h> -#include <linux/backlight.h> #include <linux/fb.h> #include <video/omapdss.h> -#include <video/omap-panel-n8x0.h> +#include <video/omap-panel-data.h> #define BLIZZARD_REV_CODE 0x00 #define BLIZZARD_CONFIG 0x02 @@ -69,7 +68,6 @@ static struct panel_drv_data { struct omap_dss_device *dssdev; struct spi_device *spidev; - struct backlight_device *bldev; int blizzard_ver; } s_drv_data; @@ -297,12 +295,6 @@ static int n8x0_panel_power_on(struct omap_dss_device *dssdev) gpio_direction_output(bdata->ctrl_pwrdown, 1); - if (bdata->platform_enable) { - r = bdata->platform_enable(dssdev); - if (r) - goto err_plat_en; - } - omapdss_rfbi_set_size(dssdev, dssdev->panel.timings.x_res, dssdev->panel.timings.y_res); omapdss_rfbi_set_pixel_size(dssdev, dssdev->ctrl.pixel_size); @@ -375,9 +367,6 @@ err_inv_panel: err_inv_chip: omapdss_rfbi_display_disable(dssdev); err_rfbi_en: - if (bdata->platform_disable) - bdata->platform_disable(dssdev); -err_plat_en: gpio_direction_output(bdata->ctrl_pwrdown, 0); return r; } @@ -394,9 +383,6 @@ static void n8x0_panel_power_off(struct omap_dss_device *dssdev) send_display_off(spi); send_sleep_in(spi); - if (bdata->platform_disable) - bdata->platform_disable(dssdev); - /* * HACK: we should turn off the panel here, but there is some problem * with the initialization sequence, and we fail to init the panel if we @@ -424,54 +410,10 @@ static const struct rfbi_timings n8x0_panel_timings = { .cs_pulse_width = 0, }; -static int n8x0_bl_update_status(struct backlight_device *dev) -{ - struct omap_dss_device *dssdev = dev_get_drvdata(&dev->dev); - struct panel_n8x0_data *bdata = get_board_data(dssdev); - struct panel_drv_data *ddata = get_drv_data(dssdev); - int r; - int level; - - mutex_lock(&ddata->lock); - - if (dev->props.fb_blank == FB_BLANK_UNBLANK && - dev->props.power == FB_BLANK_UNBLANK) - level = dev->props.brightness; - else - level = 0; - - dev_dbg(&dssdev->dev, "update brightness to %d\n", level); - - if (!bdata->set_backlight) - r = -EINVAL; - else - r = bdata->set_backlight(dssdev, level); - - mutex_unlock(&ddata->lock); - - return r; -} - -static int n8x0_bl_get_intensity(struct backlight_device *dev) -{ - if (dev->props.fb_blank == FB_BLANK_UNBLANK && - dev->props.power == FB_BLANK_UNBLANK) - return dev->props.brightness; - - return 0; -} - -static const struct backlight_ops n8x0_bl_ops = { - .get_brightness = n8x0_bl_get_intensity, - .update_status = n8x0_bl_update_status, -}; - static int n8x0_panel_probe(struct omap_dss_device *dssdev) { struct panel_n8x0_data *bdata = get_board_data(dssdev); struct panel_drv_data *ddata; - struct backlight_device *bldev; - struct backlight_properties props; int r; dev_dbg(&dssdev->dev, "probe\n"); @@ -491,40 +433,27 @@ static int n8x0_panel_probe(struct omap_dss_device *dssdev) dssdev->ctrl.rfbi_timings = n8x0_panel_timings; dssdev->caps = OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE; - memset(&props, 0, sizeof(props)); - props.max_brightness = 127; - props.type = BACKLIGHT_PLATFORM; - bldev = backlight_device_register(dev_name(&dssdev->dev), &dssdev->dev, - dssdev, &n8x0_bl_ops, &props); - if (IS_ERR(bldev)) { - r = PTR_ERR(bldev); - dev_err(&dssdev->dev, "register backlight failed\n"); - return r; + if (gpio_is_valid(bdata->panel_reset)) { + r = devm_gpio_request_one(&dssdev->dev, bdata->panel_reset, + GPIOF_OUT_INIT_LOW, "PANEL RESET"); + if (r) + return r; } - ddata->bldev = bldev; - - bldev->props.fb_blank = FB_BLANK_UNBLANK; - bldev->props.power = FB_BLANK_UNBLANK; - bldev->props.brightness = 127; - - n8x0_bl_update_status(bldev); + if (gpio_is_valid(bdata->ctrl_pwrdown)) { + r = devm_gpio_request_one(&dssdev->dev, bdata->ctrl_pwrdown, + GPIOF_OUT_INIT_LOW, "PANEL PWRDOWN"); + if (r) + return r; + } return 0; } static void n8x0_panel_remove(struct omap_dss_device *dssdev) { - struct panel_drv_data *ddata = get_drv_data(dssdev); - struct backlight_device *bldev; - dev_dbg(&dssdev->dev, "remove\n"); - bldev = ddata->bldev; - bldev->props.power = FB_BLANK_POWERDOWN; - n8x0_bl_update_status(bldev); - backlight_device_unregister(bldev); - dev_set_drvdata(&dssdev->dev, NULL); } diff --git a/drivers/video/omap2/displays/panel-nec-nl8048hl11-01b.c b/drivers/video/omap2/displays/panel-nec-nl8048hl11-01b.c index c4e9c2b1b46..20c3cd91ff9 100644 --- a/drivers/video/omap2/displays/panel-nec-nl8048hl11-01b.c +++ b/drivers/video/omap2/displays/panel-nec-nl8048hl11-01b.c @@ -19,10 +19,11 @@ #include <linux/module.h> #include <linux/delay.h> #include <linux/spi/spi.h> -#include <linux/backlight.h> #include <linux/fb.h> +#include <linux/gpio.h> #include <video/omapdss.h> +#include <video/omap-panel-data.h> #define LCD_XRES 800 #define LCD_YRES 480 @@ -32,10 +33,6 @@ */ #define LCD_PIXEL_CLOCK 23800 -struct nec_8048_data { - struct backlight_device *bl; -}; - static const struct { unsigned char addr; unsigned char dat; @@ -84,93 +81,47 @@ static struct omap_video_timings nec_8048_panel_timings = { .sync_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE, }; -static int nec_8048_bl_update_status(struct backlight_device *bl) -{ - struct omap_dss_device *dssdev = dev_get_drvdata(&bl->dev); - int level; - - if (!dssdev->set_backlight) - return -EINVAL; - - if (bl->props.fb_blank == FB_BLANK_UNBLANK && - bl->props.power == FB_BLANK_UNBLANK) - level = bl->props.brightness; - else - level = 0; - - return dssdev->set_backlight(dssdev, level); -} - -static int nec_8048_bl_get_brightness(struct backlight_device *bl) +static inline struct panel_nec_nl8048_data +*get_panel_data(const struct omap_dss_device *dssdev) { - if (bl->props.fb_blank == FB_BLANK_UNBLANK && - bl->props.power == FB_BLANK_UNBLANK) - return bl->props.brightness; - - return 0; + return (struct panel_nec_nl8048_data *) dssdev->data; } -static const struct backlight_ops nec_8048_bl_ops = { - .get_brightness = nec_8048_bl_get_brightness, - .update_status = nec_8048_bl_update_status, -}; - static int nec_8048_panel_probe(struct omap_dss_device *dssdev) { - struct backlight_device *bl; - struct nec_8048_data *necd; - struct backlight_properties props; + struct panel_nec_nl8048_data *pd = get_panel_data(dssdev); int r; - dssdev->panel.timings = nec_8048_panel_timings; - - necd = kzalloc(sizeof(*necd), GFP_KERNEL); - if (!necd) - return -ENOMEM; - - dev_set_drvdata(&dssdev->dev, necd); + if (!pd) + return -EINVAL; - memset(&props, 0, sizeof(struct backlight_properties)); - props.max_brightness = 255; + dssdev->panel.timings = nec_8048_panel_timings; - bl = backlight_device_register("nec-8048", &dssdev->dev, dssdev, - &nec_8048_bl_ops, &props); - if (IS_ERR(bl)) { - r = PTR_ERR(bl); - kfree(necd); - return r; + if (gpio_is_valid(pd->qvga_gpio)) { + r = devm_gpio_request_one(&dssdev->dev, pd->qvga_gpio, + GPIOF_OUT_INIT_HIGH, "lcd QVGA"); + if (r) + return r; } - necd->bl = bl; - - bl->props.fb_blank = FB_BLANK_UNBLANK; - bl->props.power = FB_BLANK_UNBLANK; - bl->props.max_brightness = dssdev->max_backlight_level; - bl->props.brightness = dssdev->max_backlight_level; - r = nec_8048_bl_update_status(bl); - if (r < 0) - dev_err(&dssdev->dev, "failed to set lcd brightness\n"); + if (gpio_is_valid(pd->res_gpio)) { + r = devm_gpio_request_one(&dssdev->dev, pd->res_gpio, + GPIOF_OUT_INIT_LOW, "lcd RES"); + if (r) + return r; + } return 0; } static void nec_8048_panel_remove(struct omap_dss_device *dssdev) { - struct nec_8048_data *necd = dev_get_drvdata(&dssdev->dev); - struct backlight_device *bl = necd->bl; - - bl->props.power = FB_BLANK_POWERDOWN; - nec_8048_bl_update_status(bl); - backlight_device_unregister(bl); - - kfree(necd); } static int nec_8048_panel_power_on(struct omap_dss_device *dssdev) { + struct panel_nec_nl8048_data *pd = get_panel_data(dssdev); int r; - struct nec_8048_data *necd = dev_get_drvdata(&dssdev->dev); - struct backlight_device *bl = necd->bl; if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) return 0; @@ -182,36 +133,24 @@ static int nec_8048_panel_power_on(struct omap_dss_device *dssdev) if (r) goto err0; - if (dssdev->platform_enable) { - r = dssdev->platform_enable(dssdev); - if (r) - goto err1; - } - - r = nec_8048_bl_update_status(bl); - if (r < 0) - dev_err(&dssdev->dev, "failed to set lcd brightness\n"); + if (gpio_is_valid(pd->res_gpio)) + gpio_set_value_cansleep(pd->res_gpio, 1); return 0; -err1: - omapdss_dpi_display_disable(dssdev); + err0: return r; } static void nec_8048_panel_power_off(struct omap_dss_device *dssdev) { - struct nec_8048_data *necd = dev_get_drvdata(&dssdev->dev); - struct backlight_device *bl = necd->bl; + struct panel_nec_nl8048_data *pd = get_panel_data(dssdev); if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE) return; - bl->props.brightness = 0; - nec_8048_bl_update_status(bl); - - if (dssdev->platform_disable) - dssdev->platform_disable(dssdev); + if (gpio_is_valid(pd->res_gpio)) + gpio_set_value_cansleep(pd->res_gpio, 0); omapdss_dpi_display_disable(dssdev); } @@ -303,16 +242,22 @@ static int nec_8048_spi_remove(struct spi_device *spi) return 0; } -static int nec_8048_spi_suspend(struct spi_device *spi, pm_message_t mesg) +#ifdef CONFIG_PM_SLEEP + +static int nec_8048_spi_suspend(struct device *dev) { + struct spi_device *spi = to_spi_device(dev); + nec_8048_spi_send(spi, 2, 0x01); mdelay(40); return 0; } -static int nec_8048_spi_resume(struct spi_device *spi) +static int nec_8048_spi_resume(struct device *dev) { + struct spi_device *spi = to_spi_device(dev); + /* reinitialize the panel */ spi_setup(spi); nec_8048_spi_send(spi, 2, 0x00); @@ -321,14 +266,20 @@ static int nec_8048_spi_resume(struct spi_device *spi) return 0; } +static SIMPLE_DEV_PM_OPS(nec_8048_spi_pm_ops, nec_8048_spi_suspend, + nec_8048_spi_resume); +#define NEC_8048_SPI_PM_OPS (&nec_8048_spi_pm_ops) +#else +#define NEC_8048_SPI_PM_OPS NULL +#endif + static struct spi_driver nec_8048_spi_driver = { .probe = nec_8048_spi_probe, .remove = nec_8048_spi_remove, - .suspend = nec_8048_spi_suspend, - .resume = nec_8048_spi_resume, .driver = { .name = "nec_8048_spi", .owner = THIS_MODULE, + .pm = NEC_8048_SPI_PM_OPS, }, }; diff --git a/drivers/video/omap2/displays/panel-picodlp.c b/drivers/video/omap2/displays/panel-picodlp.c index 1b94018aac3..62f2db04fbc 100644 --- a/drivers/video/omap2/displays/panel-picodlp.c +++ b/drivers/video/omap2/displays/panel-picodlp.c @@ -31,7 +31,7 @@ #include <linux/gpio.h> #include <video/omapdss.h> -#include <video/omap-panel-picodlp.h> +#include <video/omap-panel-data.h> #include "panel-picodlp.h" @@ -354,12 +354,6 @@ static int picodlp_panel_power_on(struct omap_dss_device *dssdev) struct picodlp_data *picod = dev_get_drvdata(&dssdev->dev); struct picodlp_panel_data *picodlp_pdata = get_panel_data(dssdev); - if (dssdev->platform_enable) { - r = dssdev->platform_enable(dssdev); - if (r) - return r; - } - gpio_set_value(picodlp_pdata->pwrgood_gpio, 0); msleep(1); gpio_set_value(picodlp_pdata->pwrgood_gpio, 1); @@ -398,9 +392,6 @@ static int picodlp_panel_power_on(struct omap_dss_device *dssdev) err: omapdss_dpi_display_disable(dssdev); err1: - if (dssdev->platform_disable) - dssdev->platform_disable(dssdev); - return r; } @@ -412,9 +403,6 @@ static void picodlp_panel_power_off(struct omap_dss_device *dssdev) gpio_set_value(picodlp_pdata->emu_done_gpio, 0); gpio_set_value(picodlp_pdata->pwrgood_gpio, 0); - - if (dssdev->platform_disable) - dssdev->platform_disable(dssdev); } static int picodlp_panel_probe(struct omap_dss_device *dssdev) @@ -423,11 +411,14 @@ static int picodlp_panel_probe(struct omap_dss_device *dssdev) struct picodlp_panel_data *picodlp_pdata = get_panel_data(dssdev); struct i2c_adapter *adapter; struct i2c_client *picodlp_i2c_client; - int r = 0, picodlp_adapter_id; + int r, picodlp_adapter_id; dssdev->panel.timings = pico_ls_timings; - picod = kzalloc(sizeof(struct picodlp_data), GFP_KERNEL); + if (!picodlp_pdata) + return -EINVAL; + + picod = devm_kzalloc(&dssdev->dev, sizeof(*picod), GFP_KERNEL); if (!picod) return -ENOMEM; @@ -438,25 +429,37 @@ static int picodlp_panel_probe(struct omap_dss_device *dssdev) adapter = i2c_get_adapter(picodlp_adapter_id); if (!adapter) { dev_err(&dssdev->dev, "can't get i2c adapter\n"); - r = -ENODEV; - goto err; + return -ENODEV; } picodlp_i2c_client = i2c_new_device(adapter, &picodlp_i2c_board_info); if (!picodlp_i2c_client) { dev_err(&dssdev->dev, "can't add i2c device::" " picodlp_i2c_client is NULL\n"); - r = -ENODEV; - goto err; + return -ENODEV; } picod->picodlp_i2c_client = picodlp_i2c_client; dev_set_drvdata(&dssdev->dev, picod); - return r; -err: - kfree(picod); - return r; + + if (gpio_is_valid(picodlp_pdata->emu_done_gpio)) { + r = devm_gpio_request_one(&dssdev->dev, + picodlp_pdata->emu_done_gpio, + GPIOF_IN, "DLP EMU DONE"); + if (r) + return r; + } + + if (gpio_is_valid(picodlp_pdata->pwrgood_gpio)) { + r = devm_gpio_request_one(&dssdev->dev, + picodlp_pdata->pwrgood_gpio, + GPIOF_OUT_INIT_LOW, "DLP PWRGOOD"); + if (r) + return r; + } + + return 0; } static void picodlp_panel_remove(struct omap_dss_device *dssdev) diff --git a/drivers/video/omap2/displays/panel-sharp-ls037v7dw01.c b/drivers/video/omap2/displays/panel-sharp-ls037v7dw01.c index cada8c621e0..74cb0eb4531 100644 --- a/drivers/video/omap2/displays/panel-sharp-ls037v7dw01.c +++ b/drivers/video/omap2/displays/panel-sharp-ls037v7dw01.c @@ -20,16 +20,13 @@ #include <linux/module.h> #include <linux/delay.h> #include <linux/device.h> -#include <linux/backlight.h> #include <linux/fb.h> #include <linux/err.h> #include <linux/slab.h> +#include <linux/gpio.h> #include <video/omapdss.h> - -struct sharp_data { - struct backlight_device *bl; -}; +#include <video/omap-panel-data.h> static struct omap_video_timings sharp_ls_timings = { .x_res = 480, @@ -52,91 +49,67 @@ static struct omap_video_timings sharp_ls_timings = { .sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES, }; -static int sharp_ls_bl_update_status(struct backlight_device *bl) +static inline struct panel_sharp_ls037v7dw01_data +*get_panel_data(const struct omap_dss_device *dssdev) { - struct omap_dss_device *dssdev = dev_get_drvdata(&bl->dev); - int level; - - if (!dssdev->set_backlight) - return -EINVAL; - - if (bl->props.fb_blank == FB_BLANK_UNBLANK && - bl->props.power == FB_BLANK_UNBLANK) - level = bl->props.brightness; - else - level = 0; - - return dssdev->set_backlight(dssdev, level); + return (struct panel_sharp_ls037v7dw01_data *) dssdev->data; } -static int sharp_ls_bl_get_brightness(struct backlight_device *bl) -{ - if (bl->props.fb_blank == FB_BLANK_UNBLANK && - bl->props.power == FB_BLANK_UNBLANK) - return bl->props.brightness; - - return 0; -} - -static const struct backlight_ops sharp_ls_bl_ops = { - .get_brightness = sharp_ls_bl_get_brightness, - .update_status = sharp_ls_bl_update_status, -}; - - - static int sharp_ls_panel_probe(struct omap_dss_device *dssdev) { - struct backlight_properties props; - struct backlight_device *bl; - struct sharp_data *sd; + struct panel_sharp_ls037v7dw01_data *pd = get_panel_data(dssdev); int r; + if (!pd) + return -EINVAL; + dssdev->panel.timings = sharp_ls_timings; - sd = kzalloc(sizeof(*sd), GFP_KERNEL); - if (!sd) - return -ENOMEM; + if (gpio_is_valid(pd->mo_gpio)) { + r = devm_gpio_request_one(&dssdev->dev, pd->mo_gpio, + GPIOF_OUT_INIT_LOW, "lcd MO"); + if (r) + return r; + } - dev_set_drvdata(&dssdev->dev, sd); + if (gpio_is_valid(pd->lr_gpio)) { + r = devm_gpio_request_one(&dssdev->dev, pd->lr_gpio, + GPIOF_OUT_INIT_HIGH, "lcd LR"); + if (r) + return r; + } - memset(&props, 0, sizeof(struct backlight_properties)); - props.max_brightness = dssdev->max_backlight_level; - props.type = BACKLIGHT_RAW; + if (gpio_is_valid(pd->ud_gpio)) { + r = devm_gpio_request_one(&dssdev->dev, pd->ud_gpio, + GPIOF_OUT_INIT_HIGH, "lcd UD"); + if (r) + return r; + } - bl = backlight_device_register("sharp-ls", &dssdev->dev, dssdev, - &sharp_ls_bl_ops, &props); - if (IS_ERR(bl)) { - r = PTR_ERR(bl); - kfree(sd); - return r; + if (gpio_is_valid(pd->resb_gpio)) { + r = devm_gpio_request_one(&dssdev->dev, pd->resb_gpio, + GPIOF_OUT_INIT_LOW, "lcd RESB"); + if (r) + return r; } - sd->bl = bl; - bl->props.fb_blank = FB_BLANK_UNBLANK; - bl->props.power = FB_BLANK_UNBLANK; - bl->props.brightness = dssdev->max_backlight_level; - r = sharp_ls_bl_update_status(bl); - if (r < 0) - dev_err(&dssdev->dev, "failed to set lcd brightness\n"); + if (gpio_is_valid(pd->ini_gpio)) { + r = devm_gpio_request_one(&dssdev->dev, pd->ini_gpio, + GPIOF_OUT_INIT_LOW, "lcd INI"); + if (r) + return r; + } return 0; } static void __exit sharp_ls_panel_remove(struct omap_dss_device *dssdev) { - struct sharp_data *sd = dev_get_drvdata(&dssdev->dev); - struct backlight_device *bl = sd->bl; - - bl->props.power = FB_BLANK_POWERDOWN; - sharp_ls_bl_update_status(bl); - backlight_device_unregister(bl); - - kfree(sd); } static int sharp_ls_power_on(struct omap_dss_device *dssdev) { + struct panel_sharp_ls037v7dw01_data *pd = get_panel_data(dssdev); int r = 0; if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) @@ -152,26 +125,29 @@ static int sharp_ls_power_on(struct omap_dss_device *dssdev) /* wait couple of vsyncs until enabling the LCD */ msleep(50); - if (dssdev->platform_enable) { - r = dssdev->platform_enable(dssdev); - if (r) - goto err1; - } + if (gpio_is_valid(pd->resb_gpio)) + gpio_set_value_cansleep(pd->resb_gpio, 1); + + if (gpio_is_valid(pd->ini_gpio)) + gpio_set_value_cansleep(pd->ini_gpio, 1); return 0; -err1: - omapdss_dpi_display_disable(dssdev); err0: return r; } static void sharp_ls_power_off(struct omap_dss_device *dssdev) { + struct panel_sharp_ls037v7dw01_data *pd = get_panel_data(dssdev); + if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE) return; - if (dssdev->platform_disable) - dssdev->platform_disable(dssdev); + if (gpio_is_valid(pd->ini_gpio)) + gpio_set_value_cansleep(pd->ini_gpio, 0); + + if (gpio_is_valid(pd->resb_gpio)) + gpio_set_value_cansleep(pd->resb_gpio, 0); /* wait at least 5 vsyncs after disabling the LCD */ diff --git a/drivers/video/omap2/displays/panel-taal.c b/drivers/video/omap2/displays/panel-taal.c index a32407a5735..c4f78bda115 100644 --- a/drivers/video/omap2/displays/panel-taal.c +++ b/drivers/video/omap2/displays/panel-taal.c @@ -33,7 +33,7 @@ #include <linux/mutex.h> #include <video/omapdss.h> -#include <video/omap-panel-nokia-dsi.h> +#include <video/omap-panel-data.h> #include <video/mipi_display.h> /* DSI Virtual channel. Hardcoded for now. */ @@ -54,61 +54,6 @@ static int _taal_enable_te(struct omap_dss_device *dssdev, bool enable); static int taal_panel_reset(struct omap_dss_device *dssdev); -/** - * struct panel_config - panel configuration - * @name: panel name - * @type: panel type - * @timings: panel resolution - * @sleep: various panel specific delays, passed to msleep() if non-zero - * @reset_sequence: reset sequence timings, passed to udelay() if non-zero - * @regulators: array of panel regulators - * @num_regulators: number of regulators in the array - */ -struct panel_config { - const char *name; - int type; - - struct omap_video_timings timings; - - struct { - unsigned int sleep_in; - unsigned int sleep_out; - unsigned int hw_reset; - unsigned int enable_te; - } sleep; - - struct { - unsigned int high; - unsigned int low; - } reset_sequence; - -}; - -enum { - PANEL_TAAL, -}; - -static struct panel_config panel_configs[] = { - { - .name = "taal", - .type = PANEL_TAAL, - .timings = { - .x_res = 864, - .y_res = 480, - }, - .sleep = { - .sleep_in = 5, - .sleep_out = 5, - .hw_reset = 5, - .enable_te = 100, /* possible panel bug */ - }, - .reset_sequence = { - .high = 10, - .low = 10, - }, - }, -}; - struct taal_data { struct mutex lock; @@ -121,9 +66,6 @@ struct taal_data { struct omap_dss_device *dssdev; - /* panel specific HW info */ - struct panel_config *panel_config; - /* panel HW configuration from DT or platform data */ int reset_gpio; int ext_te_gpio; @@ -134,8 +76,6 @@ struct taal_data { /* runtime variables */ bool enabled; - u8 rotate; - bool mirror; bool te_enabled; @@ -221,8 +161,7 @@ static int taal_sleep_in(struct taal_data *td) hw_guard_start(td, 120); - if (td->panel_config->sleep.sleep_in) - msleep(td->panel_config->sleep.sleep_in); + msleep(5); return 0; } @@ -239,8 +178,7 @@ static int taal_sleep_out(struct taal_data *td) hw_guard_start(td, 120); - if (td->panel_config->sleep.sleep_out) - msleep(td->panel_config->sleep.sleep_out); + msleep(5); return 0; } @@ -262,49 +200,6 @@ static int taal_get_id(struct taal_data *td, u8 *id1, u8 *id2, u8 *id3) return 0; } -static int taal_set_addr_mode(struct taal_data *td, u8 rotate, bool mirror) -{ - int r; - u8 mode; - int b5, b6, b7; - - r = taal_dcs_read_1(td, MIPI_DCS_GET_ADDRESS_MODE, &mode); - if (r) - return r; - - switch (rotate) { - default: - case 0: - b7 = 0; - b6 = 0; - b5 = 0; - break; - case 1: - b7 = 0; - b6 = 1; - b5 = 1; - break; - case 2: - b7 = 1; - b6 = 1; - b5 = 0; - break; - case 3: - b7 = 1; - b6 = 0; - b5 = 1; - break; - } - - if (mirror) - b6 = !b6; - - mode &= ~((1<<7) | (1<<6) | (1<<5)); - mode |= (b7 << 7) | (b6 << 6) | (b5 << 5); - - return taal_dcs_write_1(td, MIPI_DCS_SET_ADDRESS_MODE, mode); -} - static int taal_set_update_window(struct taal_data *td, u16 x, u16 y, u16 w, u16 h) { @@ -515,15 +410,8 @@ static const struct backlight_ops taal_bl_ops = { static void taal_get_resolution(struct omap_dss_device *dssdev, u16 *xres, u16 *yres) { - struct taal_data *td = dev_get_drvdata(&dssdev->dev); - - if (td->rotate == 0 || td->rotate == 2) { - *xres = dssdev->panel.timings.x_res; - *yres = dssdev->panel.timings.y_res; - } else { - *yres = dssdev->panel.timings.x_res; - *xres = dssdev->panel.timings.y_res; - } + *xres = dssdev->panel.timings.x_res; + *yres = dssdev->panel.timings.y_res; } static ssize_t taal_num_errors_show(struct device *dev, @@ -845,17 +733,14 @@ static void taal_hw_reset(struct omap_dss_device *dssdev) return; gpio_set_value(td->reset_gpio, 1); - if (td->panel_config->reset_sequence.high) - udelay(td->panel_config->reset_sequence.high); + udelay(10); /* reset the panel */ gpio_set_value(td->reset_gpio, 0); /* assert reset */ - if (td->panel_config->reset_sequence.low) - udelay(td->panel_config->reset_sequence.low); + udelay(10); gpio_set_value(td->reset_gpio, 1); /* wait after releasing reset */ - if (td->panel_config->sleep.hw_reset) - msleep(td->panel_config->sleep.hw_reset); + msleep(5); } static void taal_probe_pdata(struct taal_data *td, @@ -881,8 +766,7 @@ static int taal_probe(struct omap_dss_device *dssdev) struct backlight_properties props; struct taal_data *td; struct backlight_device *bldev = NULL; - int r, i; - const char *panel_name; + int r; dev_dbg(&dssdev->dev, "probe\n"); @@ -897,26 +781,13 @@ static int taal_probe(struct omap_dss_device *dssdev) const struct nokia_dsi_panel_data *pdata = dssdev->data; taal_probe_pdata(td, pdata); - - panel_name = pdata->name; } else { return -ENODEV; } - if (panel_name == NULL) - return -EINVAL; - - for (i = 0; i < ARRAY_SIZE(panel_configs); i++) { - if (strcmp(panel_name, panel_configs[i].name) == 0) { - td->panel_config = &panel_configs[i]; - break; - } - } - - if (!td->panel_config) - return -EINVAL; - - dssdev->panel.timings = td->panel_config->timings; + dssdev->panel.timings.x_res = 864; + dssdev->panel.timings.y_res = 480; + dssdev->panel.timings.pixel_clock = DIV_ROUND_UP(864 * 480 * 60, 1000); dssdev->panel.dsi_pix_fmt = OMAP_DSS_DSI_FMT_RGB888; dssdev->caps = OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE | OMAP_DSS_DISPLAY_CAP_TEAR_ELIM; @@ -1049,6 +920,15 @@ static int taal_power_on(struct omap_dss_device *dssdev) struct taal_data *td = dev_get_drvdata(&dssdev->dev); u8 id1, id2, id3; int r; + struct omap_dss_dsi_config dsi_config = { + .mode = OMAP_DSS_DSI_CMD_MODE, + .pixel_format = OMAP_DSS_DSI_FMT_RGB888, + .timings = &dssdev->panel.timings, + .hs_clk_min = 150000000, + .hs_clk_max = 300000000, + .lp_clk_min = 7000000, + .lp_clk_max = 10000000, + }; r = omapdss_dsi_configure_pins(dssdev, &td->pin_config); if (r) { @@ -1056,14 +936,9 @@ static int taal_power_on(struct omap_dss_device *dssdev) goto err0; }; - omapdss_dsi_set_size(dssdev, dssdev->panel.timings.x_res, - dssdev->panel.timings.y_res); - omapdss_dsi_set_pixel_format(dssdev, OMAP_DSS_DSI_FMT_RGB888); - omapdss_dsi_set_operation_mode(dssdev, OMAP_DSS_DSI_CMD_MODE); - - r = omapdss_dsi_set_clocks(dssdev, 216000000, 10000000); + r = omapdss_dsi_set_config(dssdev, &dsi_config); if (r) { - dev_err(&dssdev->dev, "failed to set HS and LP clocks\n"); + dev_err(&dssdev->dev, "failed to configure DSI\n"); goto err0; } @@ -1086,8 +961,7 @@ static int taal_power_on(struct omap_dss_device *dssdev) goto err; /* on early Taal revisions CABC is broken */ - if (td->panel_config->type == PANEL_TAAL && - (id2 == 0x00 || id2 == 0xff || id2 == 0x81)) + if (id2 == 0x00 || id2 == 0xff || id2 == 0x81) td->cabc_broken = true; r = taal_dcs_write_1(td, DCS_BRIGHTNESS, 0xff); @@ -1104,10 +978,6 @@ static int taal_power_on(struct omap_dss_device *dssdev) if (r) goto err; - r = taal_set_addr_mode(td, td->rotate, td->mirror); - if (r) - goto err; - if (!td->cabc_broken) { r = taal_dcs_write_1(td, DCS_WRITE_CABC, td->cabc_mode); if (r) @@ -1129,8 +999,8 @@ static int taal_power_on(struct omap_dss_device *dssdev) td->enabled = 1; if (!td->intro_printed) { - dev_info(&dssdev->dev, "%s panel revision %02x.%02x.%02x\n", - td->panel_config->name, id1, id2, id3); + dev_info(&dssdev->dev, "panel revision %02x.%02x.%02x\n", + id1, id2, id3); if (td->cabc_broken) dev_info(&dssdev->dev, "old Taal version, CABC disabled\n"); @@ -1311,8 +1181,8 @@ static int taal_update(struct omap_dss_device *dssdev, /* XXX no need to send this every frame, but dsi break if not done */ r = taal_set_update_window(td, 0, 0, - td->panel_config->timings.x_res, - td->panel_config->timings.y_res); + dssdev->panel.timings.x_res, + dssdev->panel.timings.y_res); if (r) goto err; @@ -1365,8 +1235,8 @@ static int _taal_enable_te(struct omap_dss_device *dssdev, bool enable) if (!gpio_is_valid(td->ext_te_gpio)) omapdss_dsi_enable_te(dssdev, enable); - if (td->panel_config->sleep.enable_te) - msleep(td->panel_config->sleep.enable_te); + /* possible panel bug */ + msleep(100); return r; } @@ -1419,112 +1289,6 @@ static int taal_get_te(struct omap_dss_device *dssdev) return r; } -static int taal_rotate(struct omap_dss_device *dssdev, u8 rotate) -{ - struct taal_data *td = dev_get_drvdata(&dssdev->dev); - u16 dw, dh; - int r; - - dev_dbg(&dssdev->dev, "rotate %d\n", rotate); - - mutex_lock(&td->lock); - - if (td->rotate == rotate) - goto end; - - dsi_bus_lock(dssdev); - - if (td->enabled) { - r = taal_wake_up(dssdev); - if (r) - goto err; - - r = taal_set_addr_mode(td, rotate, td->mirror); - if (r) - goto err; - } - - if (rotate == 0 || rotate == 2) { - dw = dssdev->panel.timings.x_res; - dh = dssdev->panel.timings.y_res; - } else { - dw = dssdev->panel.timings.y_res; - dh = dssdev->panel.timings.x_res; - } - - omapdss_dsi_set_size(dssdev, dw, dh); - - td->rotate = rotate; - - dsi_bus_unlock(dssdev); -end: - mutex_unlock(&td->lock); - return 0; -err: - dsi_bus_unlock(dssdev); - mutex_unlock(&td->lock); - return r; -} - -static u8 taal_get_rotate(struct omap_dss_device *dssdev) -{ - struct taal_data *td = dev_get_drvdata(&dssdev->dev); - int r; - - mutex_lock(&td->lock); - r = td->rotate; - mutex_unlock(&td->lock); - - return r; -} - -static int taal_mirror(struct omap_dss_device *dssdev, bool enable) -{ - struct taal_data *td = dev_get_drvdata(&dssdev->dev); - int r; - - dev_dbg(&dssdev->dev, "mirror %d\n", enable); - - mutex_lock(&td->lock); - - if (td->mirror == enable) - goto end; - - dsi_bus_lock(dssdev); - if (td->enabled) { - r = taal_wake_up(dssdev); - if (r) - goto err; - - r = taal_set_addr_mode(td, td->rotate, enable); - if (r) - goto err; - } - - td->mirror = enable; - - dsi_bus_unlock(dssdev); -end: - mutex_unlock(&td->lock); - return 0; -err: - dsi_bus_unlock(dssdev); - mutex_unlock(&td->lock); - return r; -} - -static bool taal_get_mirror(struct omap_dss_device *dssdev) -{ - struct taal_data *td = dev_get_drvdata(&dssdev->dev); - int r; - - mutex_lock(&td->lock); - r = td->mirror; - mutex_unlock(&td->lock); - - return r; -} - static int taal_run_test(struct omap_dss_device *dssdev, int test_num) { struct taal_data *td = dev_get_drvdata(&dssdev->dev); @@ -1758,10 +1522,6 @@ static struct omap_dss_driver taal_driver = { .enable_te = taal_enable_te, .get_te = taal_get_te, - .set_rotate = taal_rotate, - .get_rotate = taal_get_rotate, - .set_mirror = taal_mirror, - .get_mirror = taal_get_mirror, .run_test = taal_run_test, .memory_read = taal_memory_read, diff --git a/drivers/video/omap2/displays/panel-tfp410.c b/drivers/video/omap2/displays/panel-tfp410.c index 8281baafe1e..46039c4bf1e 100644 --- a/drivers/video/omap2/displays/panel-tfp410.c +++ b/drivers/video/omap2/displays/panel-tfp410.c @@ -24,7 +24,7 @@ #include <linux/gpio.h> #include <drm/drm_edid.h> -#include <video/omap-panel-tfp410.h> +#include <video/omap-panel-data.h> static const struct omap_video_timings tfp410_default_timings = { .x_res = 640, @@ -135,7 +135,7 @@ static int tfp410_probe(struct omap_dss_device *dssdev) if (!adapter) { dev_err(&dssdev->dev, "Failed to get I2C adapter, bus %d\n", i2c_bus_num); - return -EINVAL; + return -EPROBE_DEFER; } ddata->i2c_adapter = adapter; diff --git a/drivers/video/omap2/displays/panel-tpo-td043mtea1.c b/drivers/video/omap2/displays/panel-tpo-td043mtea1.c index 6b6643911d2..abf2bc4a18a 100644 --- a/drivers/video/omap2/displays/panel-tpo-td043mtea1.c +++ b/drivers/video/omap2/displays/panel-tpo-td043mtea1.c @@ -18,6 +18,7 @@ #include <linux/slab.h> #include <video/omapdss.h> +#include <video/omap-panel-data.h> #define TPO_R02_MODE(x) ((x) & 7) #define TPO_R02_MODE_800x480 7 @@ -63,6 +64,9 @@ struct tpo_td043_device { u32 power_on_resume:1; }; +/* used to pass spi_device from SPI to DSS portion of the driver */ +static struct tpo_td043_device *g_tpo_td043; + static int tpo_td043_write(struct spi_device *spi, u8 addr, u8 data) { struct spi_message m; @@ -275,9 +279,14 @@ static const struct omap_video_timings tpo_td043_timings = { .sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES, }; +static inline struct panel_tpo_td043_data +*get_panel_data(const struct omap_dss_device *dssdev) +{ + return (struct panel_tpo_td043_data *) dssdev->data; +} + static int tpo_td043_power_on(struct tpo_td043_device *tpo_td043) { - int nreset_gpio = tpo_td043->nreset_gpio; int r; if (tpo_td043->powered_on) @@ -290,8 +299,8 @@ static int tpo_td043_power_on(struct tpo_td043_device *tpo_td043) /* wait for panel to stabilize */ msleep(160); - if (gpio_is_valid(nreset_gpio)) - gpio_set_value(nreset_gpio, 1); + if (gpio_is_valid(tpo_td043->nreset_gpio)) + gpio_set_value(tpo_td043->nreset_gpio, 1); tpo_td043_write(tpo_td043->spi, 2, TPO_R02_MODE(tpo_td043->mode) | TPO_R02_NCLK_RISING); @@ -308,16 +317,14 @@ static int tpo_td043_power_on(struct tpo_td043_device *tpo_td043) static void tpo_td043_power_off(struct tpo_td043_device *tpo_td043) { - int nreset_gpio = tpo_td043->nreset_gpio; - if (!tpo_td043->powered_on) return; tpo_td043_write(tpo_td043->spi, 3, TPO_R03_VAL_STANDBY | TPO_R03_EN_PWM); - if (gpio_is_valid(nreset_gpio)) - gpio_set_value(nreset_gpio, 0); + if (gpio_is_valid(tpo_td043->nreset_gpio)) + gpio_set_value(tpo_td043->nreset_gpio, 0); /* wait for at least 2 vsyncs before cutting off power */ msleep(50); @@ -344,12 +351,6 @@ static int tpo_td043_enable_dss(struct omap_dss_device *dssdev) if (r) goto err0; - if (dssdev->platform_enable) { - r = dssdev->platform_enable(dssdev); - if (r) - goto err1; - } - /* * If we are resuming from system suspend, SPI clocks might not be * enabled yet, so we'll program the LCD from SPI PM resume callback. @@ -376,9 +377,6 @@ static void tpo_td043_disable_dss(struct omap_dss_device *dssdev) if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE) return; - if (dssdev->platform_disable) - dssdev->platform_disable(dssdev); - omapdss_dpi_display_disable(dssdev); if (!tpo_td043->spi_suspended) @@ -403,8 +401,8 @@ static void tpo_td043_disable(struct omap_dss_device *dssdev) static int tpo_td043_probe(struct omap_dss_device *dssdev) { - struct tpo_td043_device *tpo_td043 = dev_get_drvdata(&dssdev->dev); - int nreset_gpio = dssdev->reset_gpio; + struct tpo_td043_device *tpo_td043 = g_tpo_td043; + struct panel_tpo_td043_data *pdata = get_panel_data(dssdev); int ret = 0; dev_dbg(&dssdev->dev, "probe\n"); @@ -414,6 +412,11 @@ static int tpo_td043_probe(struct omap_dss_device *dssdev) return -ENODEV; } + if (!pdata) + return -EINVAL; + + tpo_td043->nreset_gpio = pdata->nreset_gpio; + dssdev->panel.timings = tpo_td043_timings; dssdev->ctrl.pixel_size = 24; @@ -427,9 +430,10 @@ static int tpo_td043_probe(struct omap_dss_device *dssdev) goto fail_regulator; } - if (gpio_is_valid(nreset_gpio)) { - ret = gpio_request_one(nreset_gpio, GPIOF_OUT_INIT_LOW, - "lcd reset"); + if (gpio_is_valid(tpo_td043->nreset_gpio)) { + ret = devm_gpio_request_one(&dssdev->dev, + tpo_td043->nreset_gpio, GPIOF_OUT_INIT_LOW, + "lcd reset"); if (ret < 0) { dev_err(&dssdev->dev, "couldn't request reset GPIO\n"); goto fail_gpio_req; @@ -440,6 +444,8 @@ static int tpo_td043_probe(struct omap_dss_device *dssdev) if (ret) dev_warn(&dssdev->dev, "failed to create sysfs files\n"); + dev_set_drvdata(&dssdev->dev, tpo_td043); + return 0; fail_gpio_req: @@ -452,14 +458,11 @@ fail_regulator: static void tpo_td043_remove(struct omap_dss_device *dssdev) { struct tpo_td043_device *tpo_td043 = dev_get_drvdata(&dssdev->dev); - int nreset_gpio = dssdev->reset_gpio; dev_dbg(&dssdev->dev, "remove\n"); sysfs_remove_group(&dssdev->dev.kobj, &tpo_td043_attr_group); regulator_put(tpo_td043->vcc_reg); - if (gpio_is_valid(nreset_gpio)) - gpio_free(nreset_gpio); } static void tpo_td043_set_timings(struct omap_dss_device *dssdev, @@ -505,6 +508,9 @@ static int tpo_td043_spi_probe(struct spi_device *spi) return -ENODEV; } + if (g_tpo_td043 != NULL) + return -EBUSY; + spi->bits_per_word = 16; spi->mode = SPI_MODE_0; @@ -519,9 +525,8 @@ static int tpo_td043_spi_probe(struct spi_device *spi) return -ENOMEM; tpo_td043->spi = spi; - tpo_td043->nreset_gpio = dssdev->reset_gpio; dev_set_drvdata(&spi->dev, tpo_td043); - dev_set_drvdata(&dssdev->dev, tpo_td043); + g_tpo_td043 = tpo_td043; omap_dss_register_driver(&tpo_td043_driver); @@ -534,6 +539,7 @@ static int tpo_td043_spi_remove(struct spi_device *spi) omap_dss_unregister_driver(&tpo_td043_driver); kfree(tpo_td043); + g_tpo_td043 = NULL; return 0; } diff --git a/drivers/video/omap2/dss/apply.c b/drivers/video/omap2/dss/apply.c index d446bdfc4c8..a4b356a9780 100644 --- a/drivers/video/omap2/dss/apply.c +++ b/drivers/video/omap2/dss/apply.c @@ -435,20 +435,27 @@ static inline struct omap_dss_device *dss_mgr_get_device(struct omap_overlay_man static int dss_mgr_wait_for_vsync(struct omap_overlay_manager *mgr) { unsigned long timeout = msecs_to_jiffies(500); - struct omap_dss_device *dssdev = mgr->get_device(mgr); u32 irq; int r; + if (mgr->output == NULL) + return -ENODEV; + r = dispc_runtime_get(); if (r) return r; - if (dssdev->type == OMAP_DISPLAY_TYPE_VENC) + switch (mgr->output->id) { + case OMAP_DSS_OUTPUT_VENC: irq = DISPC_IRQ_EVSYNC_ODD; - else if (dssdev->type == OMAP_DISPLAY_TYPE_HDMI) + break; + case OMAP_DSS_OUTPUT_HDMI: irq = DISPC_IRQ_EVSYNC_EVEN; - else + break; + default: irq = dispc_mgr_get_vsync_irq(mgr->id); + break; + } r = omap_dispc_wait_for_irq_interruptible_timeout(irq, timeout); diff --git a/drivers/video/omap2/dss/core.c b/drivers/video/omap2/dss/core.c index f8779d4750b..60cc6fee654 100644 --- a/drivers/video/omap2/dss/core.c +++ b/drivers/video/omap2/dss/core.c @@ -181,10 +181,7 @@ int dss_debugfs_create_file(const char *name, void (*write)(struct seq_file *)) d = debugfs_create_file(name, S_IRUGO, dss_debugfs_dir, write, &dss_debug_fops); - if (IS_ERR(d)) - return PTR_ERR(d); - - return 0; + return PTR_RET(d); } #else /* CONFIG_OMAP2_DSS_DEBUGFS */ static inline int dss_initialize_debugfs(void) diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c index 05ff2b91d9e..b33b0169bb3 100644 --- a/drivers/video/omap2/dss/dispc.c +++ b/drivers/video/omap2/dss/dispc.c @@ -69,6 +69,8 @@ struct dispc_features { u8 mgr_height_start; u16 mgr_width_max; u16 mgr_height_max; + unsigned long max_lcd_pclk; + unsigned long max_tv_pclk; int (*calc_scaling) (unsigned long pclk, unsigned long lclk, const struct omap_video_timings *mgr_timings, u16 width, u16 height, u16 out_width, u16 out_height, @@ -85,6 +87,9 @@ struct dispc_features { /* no DISPC_IRQ_FRAMEDONETV on this SoC */ bool no_framedone_tv:1; + + /* revert to the OMAP4 mechanism of DISPC Smart Standby operation */ + bool mstandby_workaround:1; }; #define DISPC_MAX_NR_FIFOS 5 @@ -97,6 +102,8 @@ static struct { int irq; + unsigned long core_clk_rate; + u32 fifo_size[DISPC_MAX_NR_FIFOS]; /* maps which plane is using a fifo. fifo-id -> plane-id */ int fifo_assignment[DISPC_MAX_NR_FIFOS]; @@ -1584,6 +1591,7 @@ static void dispc_ovl_set_scaling(enum omap_plane plane, } static void dispc_ovl_set_rotation_attrs(enum omap_plane plane, u8 rotation, + enum omap_dss_rotation_type rotation_type, bool mirroring, enum omap_color_mode color_mode) { bool row_repeat = false; @@ -1634,6 +1642,15 @@ static void dispc_ovl_set_rotation_attrs(enum omap_plane plane, u8 rotation, if (dss_has_feature(FEAT_ROWREPEATENABLE)) REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), row_repeat ? 1 : 0, 18, 18); + + if (color_mode == OMAP_DSS_COLOR_NV12) { + bool doublestride = (rotation_type == OMAP_DSS_ROT_TILER) && + (rotation == OMAP_DSS_ROT_0 || + rotation == OMAP_DSS_ROT_180); + /* DOUBLESTRIDE */ + REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), doublestride, 22, 22); + } + } static int color_mode_to_bpp(enum omap_color_mode color_mode) @@ -2512,7 +2529,8 @@ static int dispc_ovl_setup_common(enum omap_plane plane, dispc_ovl_set_vid_color_conv(plane, cconv); } - dispc_ovl_set_rotation_attrs(plane, rotation, mirror, color_mode); + dispc_ovl_set_rotation_attrs(plane, rotation, rotation_type, mirror, + color_mode); dispc_ovl_set_zorder(plane, caps, zorder); dispc_ovl_set_pre_mult_alpha(plane, caps, pre_mult_alpha); @@ -2823,6 +2841,15 @@ static bool _dispc_lcd_timings_ok(int hsw, int hfp, int hbp, return true; } +static bool _dispc_mgr_pclk_ok(enum omap_channel channel, + unsigned long pclk) +{ + if (dss_mgr_is_lcd(channel)) + return pclk <= dispc.feat->max_lcd_pclk ? true : false; + else + return pclk <= dispc.feat->max_tv_pclk ? true : false; +} + bool dispc_mgr_timings_ok(enum omap_channel channel, const struct omap_video_timings *timings) { @@ -2830,11 +2857,13 @@ bool dispc_mgr_timings_ok(enum omap_channel channel, timings_ok = _dispc_mgr_size_ok(timings->x_res, timings->y_res); - if (dss_mgr_is_lcd(channel)) - timings_ok = timings_ok && _dispc_lcd_timings_ok(timings->hsw, - timings->hfp, timings->hbp, - timings->vsw, timings->vfp, - timings->vbp); + timings_ok &= _dispc_mgr_pclk_ok(channel, timings->pixel_clock * 1000); + + if (dss_mgr_is_lcd(channel)) { + timings_ok &= _dispc_lcd_timings_ok(timings->hsw, timings->hfp, + timings->hbp, timings->vsw, timings->vfp, + timings->vbp); + } return timings_ok; } @@ -2951,6 +2980,10 @@ static void dispc_mgr_set_lcd_divisor(enum omap_channel channel, u16 lck_div, dispc_write_reg(DISPC_DIVISORo(channel), FLD_VAL(lck_div, 23, 16) | FLD_VAL(pck_div, 7, 0)); + + if (dss_has_feature(FEAT_CORE_CLK_DIV) == false && + channel == OMAP_DSS_CHANNEL_LCD) + dispc.core_clk_rate = dispc_fclk_rate() / lck_div; } static void dispc_mgr_get_lcd_divisor(enum omap_channel channel, int *lck_div, @@ -3056,15 +3089,7 @@ unsigned long dispc_mgr_pclk_rate(enum omap_channel channel) unsigned long dispc_core_clk_rate(void) { - int lcd; - unsigned long fclk = dispc_fclk_rate(); - - if (dss_has_feature(FEAT_CORE_CLK_DIV)) - lcd = REG_GET(DISPC_DIVISOR, 23, 16); - else - lcd = REG_GET(DISPC_DIVISORo(OMAP_DSS_CHANNEL_LCD), 23, 16); - - return fclk / lcd; + return dispc.core_clk_rate; } static unsigned long dispc_plane_pclk_rate(enum omap_plane plane) @@ -3313,67 +3338,79 @@ static void dispc_dump_regs(struct seq_file *s) #undef DUMPREG } -/* with fck as input clock rate, find dispc dividers that produce req_pck */ -void dispc_find_clk_divs(unsigned long req_pck, unsigned long fck, +/* calculate clock rates using dividers in cinfo */ +int dispc_calc_clock_rates(unsigned long dispc_fclk_rate, struct dispc_clock_info *cinfo) { - u16 pcd_min, pcd_max; - unsigned long best_pck; - u16 best_ld, cur_ld; - u16 best_pd, cur_pd; + if (cinfo->lck_div > 255 || cinfo->lck_div == 0) + return -EINVAL; + if (cinfo->pck_div < 1 || cinfo->pck_div > 255) + return -EINVAL; - pcd_min = dss_feat_get_param_min(FEAT_PARAM_DSS_PCD); - pcd_max = dss_feat_get_param_max(FEAT_PARAM_DSS_PCD); + cinfo->lck = dispc_fclk_rate / cinfo->lck_div; + cinfo->pck = cinfo->lck / cinfo->pck_div; - best_pck = 0; - best_ld = 0; - best_pd = 0; + return 0; +} - for (cur_ld = 1; cur_ld <= 255; ++cur_ld) { - unsigned long lck = fck / cur_ld; +bool dispc_div_calc(unsigned long dispc, + unsigned long pck_min, unsigned long pck_max, + dispc_div_calc_func func, void *data) +{ + int lckd, lckd_start, lckd_stop; + int pckd, pckd_start, pckd_stop; + unsigned long pck, lck; + unsigned long lck_max; + unsigned long pckd_hw_min, pckd_hw_max; + unsigned min_fck_per_pck; + unsigned long fck; - for (cur_pd = pcd_min; cur_pd <= pcd_max; ++cur_pd) { - unsigned long pck = lck / cur_pd; - long old_delta = abs(best_pck - req_pck); - long new_delta = abs(pck - req_pck); +#ifdef CONFIG_OMAP2_DSS_MIN_FCK_PER_PCK + min_fck_per_pck = CONFIG_OMAP2_DSS_MIN_FCK_PER_PCK; +#else + min_fck_per_pck = 0; +#endif - if (best_pck == 0 || new_delta < old_delta) { - best_pck = pck; - best_ld = cur_ld; - best_pd = cur_pd; + pckd_hw_min = dss_feat_get_param_min(FEAT_PARAM_DSS_PCD); + pckd_hw_max = dss_feat_get_param_max(FEAT_PARAM_DSS_PCD); - if (pck == req_pck) - goto found; - } + lck_max = dss_feat_get_param_max(FEAT_PARAM_DSS_FCK); - if (pck < req_pck) - break; - } + pck_min = pck_min ? pck_min : 1; + pck_max = pck_max ? pck_max : ULONG_MAX; - if (lck / pcd_min < req_pck) - break; - } + lckd_start = max(DIV_ROUND_UP(dispc, lck_max), 1ul); + lckd_stop = min(dispc / pck_min, 255ul); -found: - cinfo->lck_div = best_ld; - cinfo->pck_div = best_pd; - cinfo->lck = fck / cinfo->lck_div; - cinfo->pck = cinfo->lck / cinfo->pck_div; -} + for (lckd = lckd_start; lckd <= lckd_stop; ++lckd) { + lck = dispc / lckd; -/* calculate clock rates using dividers in cinfo */ -int dispc_calc_clock_rates(unsigned long dispc_fclk_rate, - struct dispc_clock_info *cinfo) -{ - if (cinfo->lck_div > 255 || cinfo->lck_div == 0) - return -EINVAL; - if (cinfo->pck_div < 1 || cinfo->pck_div > 255) - return -EINVAL; + pckd_start = max(DIV_ROUND_UP(lck, pck_max), pckd_hw_min); + pckd_stop = min(lck / pck_min, pckd_hw_max); - cinfo->lck = dispc_fclk_rate / cinfo->lck_div; - cinfo->pck = cinfo->lck / cinfo->pck_div; + for (pckd = pckd_start; pckd <= pckd_stop; ++pckd) { + pck = lck / pckd; - return 0; + /* + * For OMAP2/3 the DISPC fclk is the same as LCD's logic + * clock, which means we're configuring DISPC fclk here + * also. Thus we need to use the calculated lck. For + * OMAP4+ the DISPC fclk is a separate clock. + */ + if (dss_has_feature(FEAT_CORE_CLK_DIV)) + fck = dispc_core_clk_rate(); + else + fck = lck; + + if (fck < pck * min_fck_per_pck) + continue; + + if (func(lckd, pckd, lck, pck, data)) + return true; + } + } + + return false; } void dispc_mgr_set_clock_div(enum omap_channel channel, @@ -3451,6 +3488,8 @@ static void _omap_dispc_initial_config(void) l = FLD_MOD(l, 1, 0, 0); l = FLD_MOD(l, 1, 23, 16); dispc_write_reg(DISPC_DIVISOR, l); + + dispc.core_clk_rate = dispc_fclk_rate(); } /* FUNCGATED */ @@ -3466,6 +3505,9 @@ static void _omap_dispc_initial_config(void) dispc_configure_burst_sizes(); dispc_ovl_enable_zorder_planes(); + + if (dispc.feat->mstandby_workaround) + REG_FLD_MOD(DISPC_MSTANDBY_CTRL, 1, 0, 0); } static const struct dispc_features omap24xx_dispc_feats __initconst = { @@ -3479,6 +3521,7 @@ static const struct dispc_features omap24xx_dispc_feats __initconst = { .mgr_height_start = 26, .mgr_width_max = 2048, .mgr_height_max = 2048, + .max_lcd_pclk = 66500000, .calc_scaling = dispc_ovl_calc_scaling_24xx, .calc_core_clk = calc_core_clk_24xx, .num_fifos = 3, @@ -3496,6 +3539,8 @@ static const struct dispc_features omap34xx_rev1_0_dispc_feats __initconst = { .mgr_height_start = 26, .mgr_width_max = 2048, .mgr_height_max = 2048, + .max_lcd_pclk = 173000000, + .max_tv_pclk = 59000000, .calc_scaling = dispc_ovl_calc_scaling_34xx, .calc_core_clk = calc_core_clk_34xx, .num_fifos = 3, @@ -3513,6 +3558,8 @@ static const struct dispc_features omap34xx_rev3_0_dispc_feats __initconst = { .mgr_height_start = 26, .mgr_width_max = 2048, .mgr_height_max = 2048, + .max_lcd_pclk = 173000000, + .max_tv_pclk = 59000000, .calc_scaling = dispc_ovl_calc_scaling_34xx, .calc_core_clk = calc_core_clk_34xx, .num_fifos = 3, @@ -3530,6 +3577,8 @@ static const struct dispc_features omap44xx_dispc_feats __initconst = { .mgr_height_start = 26, .mgr_width_max = 2048, .mgr_height_max = 2048, + .max_lcd_pclk = 170000000, + .max_tv_pclk = 185625000, .calc_scaling = dispc_ovl_calc_scaling_44xx, .calc_core_clk = calc_core_clk_44xx, .num_fifos = 5, @@ -3547,10 +3596,13 @@ static const struct dispc_features omap54xx_dispc_feats __initconst = { .mgr_height_start = 27, .mgr_width_max = 4096, .mgr_height_max = 4096, + .max_lcd_pclk = 170000000, + .max_tv_pclk = 186000000, .calc_scaling = dispc_ovl_calc_scaling_44xx, .calc_core_clk = calc_core_clk_44xx, .num_fifos = 5, .gfx_fifo_workaround = true, + .mstandby_workaround = true, }; static int __init dispc_init_features(struct platform_device *pdev) diff --git a/drivers/video/omap2/dss/dispc.h b/drivers/video/omap2/dss/dispc.h index 222363c6e62..de4863d21ab 100644 --- a/drivers/video/omap2/dss/dispc.h +++ b/drivers/video/omap2/dss/dispc.h @@ -39,6 +39,7 @@ #define DISPC_GLOBAL_BUFFER 0x0800 #define DISPC_CONTROL3 0x0848 #define DISPC_CONFIG3 0x084C +#define DISPC_MSTANDBY_CTRL 0x0858 /* DISPC overlay registers */ #define DISPC_OVL_BA0(n) (DISPC_OVL_BASE(n) + \ diff --git a/drivers/video/omap2/dss/dpi.c b/drivers/video/omap2/dss/dpi.c index 4af136a04e5..757b57f7275 100644 --- a/drivers/video/omap2/dss/dpi.c +++ b/drivers/video/omap2/dss/dpi.c @@ -63,15 +63,29 @@ static struct platform_device *dpi_get_dsidev(enum omap_channel channel) case OMAPDSS_VER_OMAP3630: case OMAPDSS_VER_AM35xx: return NULL; - default: - break; - } - switch (channel) { - case OMAP_DSS_CHANNEL_LCD: - return dsi_get_dsidev_from_id(0); - case OMAP_DSS_CHANNEL_LCD2: - return dsi_get_dsidev_from_id(1); + case OMAPDSS_VER_OMAP4430_ES1: + case OMAPDSS_VER_OMAP4430_ES2: + case OMAPDSS_VER_OMAP4: + switch (channel) { + case OMAP_DSS_CHANNEL_LCD: + return dsi_get_dsidev_from_id(0); + case OMAP_DSS_CHANNEL_LCD2: + return dsi_get_dsidev_from_id(1); + default: + return NULL; + } + + case OMAPDSS_VER_OMAP5: + switch (channel) { + case OMAP_DSS_CHANNEL_LCD: + return dsi_get_dsidev_from_id(0); + case OMAP_DSS_CHANNEL_LCD3: + return dsi_get_dsidev_from_id(1); + default: + return NULL; + } + default: return NULL; } @@ -91,75 +105,211 @@ static enum omap_dss_clk_source dpi_get_alt_clk_src(enum omap_channel channel) } } -static int dpi_set_dsi_clk(struct omap_dss_device *dssdev, +struct dpi_clk_calc_ctx { + struct platform_device *dsidev; + + /* inputs */ + + unsigned long pck_min, pck_max; + + /* outputs */ + + struct dsi_clock_info dsi_cinfo; + struct dss_clock_info dss_cinfo; + struct dispc_clock_info dispc_cinfo; +}; + +static bool dpi_calc_dispc_cb(int lckd, int pckd, unsigned long lck, + unsigned long pck, void *data) +{ + struct dpi_clk_calc_ctx *ctx = data; + + /* + * Odd dividers give us uneven duty cycle, causing problem when level + * shifted. So skip all odd dividers when the pixel clock is on the + * higher side. + */ + if (ctx->pck_min >= 1000000) { + if (lckd > 1 && lckd % 2 != 0) + return false; + + if (pckd > 1 && pckd % 2 != 0) + return false; + } + + ctx->dispc_cinfo.lck_div = lckd; + ctx->dispc_cinfo.pck_div = pckd; + ctx->dispc_cinfo.lck = lck; + ctx->dispc_cinfo.pck = pck; + + return true; +} + + +static bool dpi_calc_hsdiv_cb(int regm_dispc, unsigned long dispc, + void *data) +{ + struct dpi_clk_calc_ctx *ctx = data; + + /* + * Odd dividers give us uneven duty cycle, causing problem when level + * shifted. So skip all odd dividers when the pixel clock is on the + * higher side. + */ + if (regm_dispc > 1 && regm_dispc % 2 != 0 && ctx->pck_min >= 1000000) + return false; + + ctx->dsi_cinfo.regm_dispc = regm_dispc; + ctx->dsi_cinfo.dsi_pll_hsdiv_dispc_clk = dispc; + + return dispc_div_calc(dispc, ctx->pck_min, ctx->pck_max, + dpi_calc_dispc_cb, ctx); +} + + +static bool dpi_calc_pll_cb(int regn, int regm, unsigned long fint, + unsigned long pll, + void *data) +{ + struct dpi_clk_calc_ctx *ctx = data; + + ctx->dsi_cinfo.regn = regn; + ctx->dsi_cinfo.regm = regm; + ctx->dsi_cinfo.fint = fint; + ctx->dsi_cinfo.clkin4ddr = pll; + + return dsi_hsdiv_calc(ctx->dsidev, pll, ctx->pck_min, + dpi_calc_hsdiv_cb, ctx); +} + +static bool dpi_calc_dss_cb(int fckd, unsigned long fck, void *data) +{ + struct dpi_clk_calc_ctx *ctx = data; + + ctx->dss_cinfo.fck = fck; + ctx->dss_cinfo.fck_div = fckd; + + return dispc_div_calc(fck, ctx->pck_min, ctx->pck_max, + dpi_calc_dispc_cb, ctx); +} + +static bool dpi_dsi_clk_calc(unsigned long pck, struct dpi_clk_calc_ctx *ctx) +{ + unsigned long clkin; + unsigned long pll_min, pll_max; + + clkin = dsi_get_pll_clkin(dpi.dsidev); + + memset(ctx, 0, sizeof(*ctx)); + ctx->dsidev = dpi.dsidev; + ctx->pck_min = pck - 1000; + ctx->pck_max = pck + 1000; + ctx->dsi_cinfo.clkin = clkin; + + pll_min = 0; + pll_max = 0; + + return dsi_pll_calc(dpi.dsidev, clkin, + pll_min, pll_max, + dpi_calc_pll_cb, ctx); +} + +static bool dpi_dss_clk_calc(unsigned long pck, struct dpi_clk_calc_ctx *ctx) +{ + int i; + + /* + * DSS fck gives us very few possibilities, so finding a good pixel + * clock may not be possible. We try multiple times to find the clock, + * each time widening the pixel clock range we look for, up to + * +/- ~15MHz. + */ + + for (i = 0; i < 25; ++i) { + bool ok; + + memset(ctx, 0, sizeof(*ctx)); + if (pck > 1000 * i * i * i) + ctx->pck_min = max(pck - 1000 * i * i * i, 0lu); + else + ctx->pck_min = 0; + ctx->pck_max = pck + 1000 * i * i * i; + + ok = dss_div_calc(ctx->pck_min, dpi_calc_dss_cb, ctx); + if (ok) + return ok; + } + + return false; +} + + + +static int dpi_set_dsi_clk(enum omap_channel channel, unsigned long pck_req, unsigned long *fck, int *lck_div, int *pck_div) { - struct omap_overlay_manager *mgr = dssdev->output->manager; - struct dsi_clock_info dsi_cinfo; - struct dispc_clock_info dispc_cinfo; + struct dpi_clk_calc_ctx ctx; int r; + bool ok; - r = dsi_pll_calc_clock_div_pck(dpi.dsidev, pck_req, &dsi_cinfo, - &dispc_cinfo); - if (r) - return r; + ok = dpi_dsi_clk_calc(pck_req, &ctx); + if (!ok) + return -EINVAL; - r = dsi_pll_set_clock_div(dpi.dsidev, &dsi_cinfo); + r = dsi_pll_set_clock_div(dpi.dsidev, &ctx.dsi_cinfo); if (r) return r; - dss_select_lcd_clk_source(mgr->id, - dpi_get_alt_clk_src(mgr->id)); + dss_select_lcd_clk_source(channel, + dpi_get_alt_clk_src(channel)); - dpi.mgr_config.clock_info = dispc_cinfo; + dpi.mgr_config.clock_info = ctx.dispc_cinfo; - *fck = dsi_cinfo.dsi_pll_hsdiv_dispc_clk; - *lck_div = dispc_cinfo.lck_div; - *pck_div = dispc_cinfo.pck_div; + *fck = ctx.dsi_cinfo.dsi_pll_hsdiv_dispc_clk; + *lck_div = ctx.dispc_cinfo.lck_div; + *pck_div = ctx.dispc_cinfo.pck_div; return 0; } -static int dpi_set_dispc_clk(struct omap_dss_device *dssdev, - unsigned long pck_req, unsigned long *fck, int *lck_div, - int *pck_div) +static int dpi_set_dispc_clk(unsigned long pck_req, unsigned long *fck, + int *lck_div, int *pck_div) { - struct dss_clock_info dss_cinfo; - struct dispc_clock_info dispc_cinfo; + struct dpi_clk_calc_ctx ctx; int r; + bool ok; - r = dss_calc_clock_div(pck_req, &dss_cinfo, &dispc_cinfo); - if (r) - return r; + ok = dpi_dss_clk_calc(pck_req, &ctx); + if (!ok) + return -EINVAL; - r = dss_set_clock_div(&dss_cinfo); + r = dss_set_clock_div(&ctx.dss_cinfo); if (r) return r; - dpi.mgr_config.clock_info = dispc_cinfo; + dpi.mgr_config.clock_info = ctx.dispc_cinfo; - *fck = dss_cinfo.fck; - *lck_div = dispc_cinfo.lck_div; - *pck_div = dispc_cinfo.pck_div; + *fck = ctx.dss_cinfo.fck; + *lck_div = ctx.dispc_cinfo.lck_div; + *pck_div = ctx.dispc_cinfo.pck_div; return 0; } -static int dpi_set_mode(struct omap_dss_device *dssdev) +static int dpi_set_mode(struct omap_overlay_manager *mgr) { struct omap_video_timings *t = &dpi.timings; - struct omap_overlay_manager *mgr = dssdev->output->manager; int lck_div = 0, pck_div = 0; unsigned long fck = 0; unsigned long pck; int r = 0; if (dpi.dsidev) - r = dpi_set_dsi_clk(dssdev, t->pixel_clock * 1000, &fck, + r = dpi_set_dsi_clk(mgr->id, t->pixel_clock * 1000, &fck, &lck_div, &pck_div); else - r = dpi_set_dispc_clk(dssdev, t->pixel_clock * 1000, &fck, + r = dpi_set_dispc_clk(t->pixel_clock * 1000, &fck, &lck_div, &pck_div); if (r) return r; @@ -179,10 +329,8 @@ static int dpi_set_mode(struct omap_dss_device *dssdev) return 0; } -static void dpi_config_lcd_manager(struct omap_dss_device *dssdev) +static void dpi_config_lcd_manager(struct omap_overlay_manager *mgr) { - struct omap_overlay_manager *mgr = dssdev->output->manager; - dpi.mgr_config.io_pad_mode = DSS_IO_PAD_MODE_BYPASS; dpi.mgr_config.stallmode = false; @@ -197,7 +345,7 @@ static void dpi_config_lcd_manager(struct omap_dss_device *dssdev) int omapdss_dpi_display_enable(struct omap_dss_device *dssdev) { - struct omap_dss_output *out = dssdev->output; + struct omap_dss_output *out = &dpi.output; int r; mutex_lock(&dpi.lock); @@ -230,7 +378,7 @@ int omapdss_dpi_display_enable(struct omap_dss_device *dssdev) if (r) goto err_get_dispc; - r = dss_dpi_select_source(dssdev->channel); + r = dss_dpi_select_source(out->manager->id); if (r) goto err_src_sel; @@ -244,11 +392,11 @@ int omapdss_dpi_display_enable(struct omap_dss_device *dssdev) goto err_dsi_pll_init; } - r = dpi_set_mode(dssdev); + r = dpi_set_mode(out->manager); if (r) goto err_set_mode; - dpi_config_lcd_manager(dssdev); + dpi_config_lcd_manager(out->manager); mdelay(2); @@ -285,7 +433,7 @@ EXPORT_SYMBOL(omapdss_dpi_display_enable); void omapdss_dpi_display_disable(struct omap_dss_device *dssdev) { - struct omap_overlay_manager *mgr = dssdev->output->manager; + struct omap_overlay_manager *mgr = dpi.output.manager; mutex_lock(&dpi.lock); @@ -324,12 +472,12 @@ EXPORT_SYMBOL(omapdss_dpi_set_timings); int dpi_check_timings(struct omap_dss_device *dssdev, struct omap_video_timings *timings) { - int r; - struct omap_overlay_manager *mgr = dssdev->output->manager; + struct omap_overlay_manager *mgr = dpi.output.manager; int lck_div, pck_div; unsigned long fck; unsigned long pck; - struct dispc_clock_info dispc_cinfo; + struct dpi_clk_calc_ctx ctx; + bool ok; if (mgr && !dispc_mgr_timings_ok(mgr->id, timings)) return -EINVAL; @@ -338,28 +486,21 @@ int dpi_check_timings(struct omap_dss_device *dssdev, return -EINVAL; if (dpi.dsidev) { - struct dsi_clock_info dsi_cinfo; - r = dsi_pll_calc_clock_div_pck(dpi.dsidev, - timings->pixel_clock * 1000, - &dsi_cinfo, &dispc_cinfo); + ok = dpi_dsi_clk_calc(timings->pixel_clock * 1000, &ctx); + if (!ok) + return -EINVAL; - if (r) - return r; - - fck = dsi_cinfo.dsi_pll_hsdiv_dispc_clk; + fck = ctx.dsi_cinfo.dsi_pll_hsdiv_dispc_clk; } else { - struct dss_clock_info dss_cinfo; - r = dss_calc_clock_div(timings->pixel_clock * 1000, - &dss_cinfo, &dispc_cinfo); + ok = dpi_dss_clk_calc(timings->pixel_clock * 1000, &ctx); + if (!ok) + return -EINVAL; - if (r) - return r; - - fck = dss_cinfo.fck; + fck = ctx.dss_cinfo.fck; } - lck_div = dispc_cinfo.lck_div; - pck_div = dispc_cinfo.pck_div; + lck_div = ctx.dispc_cinfo.lck_div; + pck_div = ctx.dispc_cinfo.pck_div; pck = fck / lck_div / pck_div / 1000; @@ -379,7 +520,7 @@ void omapdss_dpi_set_data_lines(struct omap_dss_device *dssdev, int data_lines) } EXPORT_SYMBOL(omapdss_dpi_set_data_lines); -static int __init dpi_verify_dsi_pll(struct platform_device *dsidev) +static int dpi_verify_dsi_pll(struct platform_device *dsidev) { int r; @@ -401,7 +542,37 @@ static int __init dpi_verify_dsi_pll(struct platform_device *dsidev) return 0; } -static int __init dpi_init_display(struct omap_dss_device *dssdev) +/* + * Return a hardcoded channel for the DPI output. This should work for + * current use cases, but this can be later expanded to either resolve + * the channel in some more dynamic manner, or get the channel as a user + * parameter. + */ +static enum omap_channel dpi_get_channel(void) +{ + switch (omapdss_get_version()) { + case OMAPDSS_VER_OMAP24xx: + case OMAPDSS_VER_OMAP34xx_ES1: + case OMAPDSS_VER_OMAP34xx_ES3: + case OMAPDSS_VER_OMAP3630: + case OMAPDSS_VER_AM35xx: + return OMAP_DSS_CHANNEL_LCD; + + case OMAPDSS_VER_OMAP4430_ES1: + case OMAPDSS_VER_OMAP4430_ES2: + case OMAPDSS_VER_OMAP4: + return OMAP_DSS_CHANNEL_LCD2; + + case OMAPDSS_VER_OMAP5: + return OMAP_DSS_CHANNEL_LCD3; + + default: + DSSWARN("unsupported DSS version\n"); + return OMAP_DSS_CHANNEL_LCD; + } +} + +static int dpi_init_display(struct omap_dss_device *dssdev) { struct platform_device *dsidev; @@ -421,12 +592,7 @@ static int __init dpi_init_display(struct omap_dss_device *dssdev) dpi.vdds_dsi_reg = vdds_dsi; } - /* - * XXX We shouldn't need dssdev->channel for this. The dsi pll clock - * source for DPI is SoC integration detail, not something that should - * be configured in the dssdev - */ - dsidev = dpi_get_dsidev(dssdev->channel); + dsidev = dpi_get_dsidev(dpi.output.dispc_channel); if (dsidev && dpi_verify_dsi_pll(dsidev)) { dsidev = NULL; @@ -441,7 +607,7 @@ static int __init dpi_init_display(struct omap_dss_device *dssdev) return 0; } -static struct omap_dss_device * __init dpi_find_dssdev(struct platform_device *pdev) +static struct omap_dss_device *dpi_find_dssdev(struct platform_device *pdev) { struct omap_dss_board_info *pdata = pdev->dev.platform_data; const char *def_disp_name = omapdss_get_default_display_name(); @@ -469,7 +635,7 @@ static struct omap_dss_device * __init dpi_find_dssdev(struct platform_device *p return def_dssdev; } -static void __init dpi_probe_pdata(struct platform_device *dpidev) +static int dpi_probe_pdata(struct platform_device *dpidev) { struct omap_dss_device *plat_dssdev; struct omap_dss_device *dssdev; @@ -478,11 +644,11 @@ static void __init dpi_probe_pdata(struct platform_device *dpidev) plat_dssdev = dpi_find_dssdev(dpidev); if (!plat_dssdev) - return; + return 0; dssdev = dss_alloc_and_init_device(&dpidev->dev); if (!dssdev) - return; + return -ENOMEM; dss_copy_device_pdata(dssdev, plat_dssdev); @@ -490,7 +656,7 @@ static void __init dpi_probe_pdata(struct platform_device *dpidev) if (r) { DSSERR("device %s init failed: %d\n", dssdev->name, r); dss_put_device(dssdev); - return; + return r; } r = omapdss_output_set_device(&dpi.output, dssdev); @@ -498,7 +664,7 @@ static void __init dpi_probe_pdata(struct platform_device *dpidev) DSSERR("failed to connect output to new device: %s\n", dssdev->name); dss_put_device(dssdev); - return; + return r; } r = dss_add_device(dssdev); @@ -506,17 +672,21 @@ static void __init dpi_probe_pdata(struct platform_device *dpidev) DSSERR("device %s register failed: %d\n", dssdev->name, r); omapdss_output_unset_device(&dpi.output); dss_put_device(dssdev); - return; + return r; } + + return 0; } -static void __init dpi_init_output(struct platform_device *pdev) +static void dpi_init_output(struct platform_device *pdev) { struct omap_dss_output *out = &dpi.output; out->pdev = pdev; out->id = OMAP_DSS_OUTPUT_DPI; out->type = OMAP_DISPLAY_TYPE_DPI; + out->name = "dpi.0"; + out->dispc_channel = dpi_get_channel(); dss_register_output(out); } @@ -528,13 +698,19 @@ static void __exit dpi_uninit_output(struct platform_device *pdev) dss_unregister_output(out); } -static int __init omap_dpi_probe(struct platform_device *pdev) +static int omap_dpi_probe(struct platform_device *pdev) { + int r; + mutex_init(&dpi.lock); dpi_init_output(pdev); - dpi_probe_pdata(pdev); + r = dpi_probe_pdata(pdev); + if (r) { + dpi_uninit_output(pdev); + return r; + } return 0; } @@ -549,6 +725,7 @@ static int __exit omap_dpi_remove(struct platform_device *pdev) } static struct platform_driver omap_dpi_driver = { + .probe = omap_dpi_probe, .remove = __exit_p(omap_dpi_remove), .driver = { .name = "omapdss_dpi", @@ -558,7 +735,7 @@ static struct platform_driver omap_dpi_driver = { int __init dpi_init_platform_driver(void) { - return platform_driver_probe(&omap_dpi_driver, omap_dpi_probe); + return platform_driver_register(&omap_dpi_driver); } void __exit dpi_uninit_platform_driver(void) diff --git a/drivers/video/omap2/dss/dsi.c b/drivers/video/omap2/dss/dsi.c index 28d41d16b7b..a73dedc3310 100644 --- a/drivers/video/omap2/dss/dsi.c +++ b/drivers/video/omap2/dss/dsi.c @@ -200,6 +200,11 @@ struct dsi_reg { u16 idx; }; typedef void (*omap_dsi_isr_t) (void *arg, u32 mask); +static int dsi_display_init_dispc(struct platform_device *dsidev, + struct omap_overlay_manager *mgr); +static void dsi_display_uninit_dispc(struct platform_device *dsidev, + struct omap_overlay_manager *mgr); + #define DSI_MAX_NR_ISRS 2 #define DSI_MAX_NR_LANES 5 @@ -250,6 +255,24 @@ struct dsi_isr_tables { struct dsi_isr_data isr_table_cio[DSI_MAX_NR_ISRS]; }; +struct dsi_clk_calc_ctx { + struct platform_device *dsidev; + + /* inputs */ + + const struct omap_dss_dsi_config *config; + + unsigned long req_pck_min, req_pck_nom, req_pck_max; + + /* outputs */ + + struct dsi_clock_info dsi_cinfo; + struct dispc_clock_info dispc_cinfo; + + struct omap_video_timings dispc_vm; + struct omap_dss_dsi_videomode_timings dsi_vm; +}; + struct dsi_data { struct platform_device *pdev; void __iomem *base; @@ -261,6 +284,9 @@ struct dsi_data { struct clk *dss_clk; struct clk *sys_clk; + struct dispc_clock_info user_dispc_cinfo; + struct dsi_clock_info user_dsi_cinfo; + struct dsi_clock_info current_cinfo; bool vdds_dsi_enabled; @@ -324,6 +350,7 @@ struct dsi_data { unsigned long lpdiv_max; unsigned num_lanes_supported; + unsigned line_buffer_size; struct dsi_lane_config lanes[DSI_MAX_NR_LANES]; unsigned num_lanes_used; @@ -1192,15 +1219,33 @@ static unsigned long dsi_fclk_rate(struct platform_device *dsidev) return r; } -static int dsi_set_lp_clk_divisor(struct omap_dss_device *dssdev) +static int dsi_lp_clock_calc(struct dsi_clock_info *cinfo, + unsigned long lp_clk_min, unsigned long lp_clk_max) +{ + unsigned long dsi_fclk = cinfo->dsi_pll_hsdiv_dsi_clk; + unsigned lp_clk_div; + unsigned long lp_clk; + + lp_clk_div = DIV_ROUND_UP(dsi_fclk, lp_clk_max * 2); + lp_clk = dsi_fclk / 2 / lp_clk_div; + + if (lp_clk < lp_clk_min || lp_clk > lp_clk_max) + return -EINVAL; + + cinfo->lp_clk_div = lp_clk_div; + cinfo->lp_clk = lp_clk; + + return 0; +} + +static int dsi_set_lp_clk_divisor(struct platform_device *dsidev) { - struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); unsigned long dsi_fclk; unsigned lp_clk_div; unsigned long lp_clk; - lp_clk_div = dssdev->clocks.dsi.lp_clk_div; + lp_clk_div = dsi->user_dsi_cinfo.lp_clk_div; if (lp_clk_div == 0 || lp_clk_div > dsi->lpdiv_max) return -EINVAL; @@ -1272,6 +1317,75 @@ static int dsi_pll_power(struct platform_device *dsidev, return 0; } +unsigned long dsi_get_pll_clkin(struct platform_device *dsidev) +{ + struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); + return clk_get_rate(dsi->sys_clk); +} + +bool dsi_hsdiv_calc(struct platform_device *dsidev, unsigned long pll, + unsigned long out_min, dsi_hsdiv_calc_func func, void *data) +{ + struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); + int regm, regm_start, regm_stop; + unsigned long out_max; + unsigned long out; + + out_min = out_min ? out_min : 1; + out_max = dss_feat_get_param_max(FEAT_PARAM_DSS_FCK); + + regm_start = max(DIV_ROUND_UP(pll, out_max), 1ul); + regm_stop = min(pll / out_min, dsi->regm_dispc_max); + + for (regm = regm_start; regm <= regm_stop; ++regm) { + out = pll / regm; + + if (func(regm, out, data)) + return true; + } + + return false; +} + +bool dsi_pll_calc(struct platform_device *dsidev, unsigned long clkin, + unsigned long pll_min, unsigned long pll_max, + dsi_pll_calc_func func, void *data) +{ + struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); + int regn, regn_start, regn_stop; + int regm, regm_start, regm_stop; + unsigned long fint, pll; + const unsigned long pll_hw_max = 1800000000; + unsigned long fint_hw_min, fint_hw_max; + + fint_hw_min = dsi->fint_min; + fint_hw_max = dsi->fint_max; + + regn_start = max(DIV_ROUND_UP(clkin, fint_hw_max), 1ul); + regn_stop = min(clkin / fint_hw_min, dsi->regn_max); + + pll_max = pll_max ? pll_max : ULONG_MAX; + + for (regn = regn_start; regn <= regn_stop; ++regn) { + fint = clkin / regn; + + regm_start = max(DIV_ROUND_UP(DIV_ROUND_UP(pll_min, fint), 2), + 1ul); + regm_stop = min3(pll_max / fint / 2, + pll_hw_max / fint / 2, + dsi->regm_max); + + for (regm = regm_start; regm <= regm_stop; ++regm) { + pll = 2 * regm * fint; + + if (func(regn, regm, fint, pll, data)) + return true; + } + } + + return false; +} + /* calculate clock rates using dividers in cinfo */ static int dsi_calc_clock_rates(struct platform_device *dsidev, struct dsi_clock_info *cinfo) @@ -1316,192 +1430,7 @@ static int dsi_calc_clock_rates(struct platform_device *dsidev, return 0; } -int dsi_pll_calc_clock_div_pck(struct platform_device *dsidev, - unsigned long req_pck, struct dsi_clock_info *dsi_cinfo, - struct dispc_clock_info *dispc_cinfo) -{ - struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); - struct dsi_clock_info cur, best; - struct dispc_clock_info best_dispc; - int min_fck_per_pck; - int match = 0; - unsigned long dss_sys_clk, max_dss_fck; - - dss_sys_clk = clk_get_rate(dsi->sys_clk); - - max_dss_fck = dss_feat_get_param_max(FEAT_PARAM_DSS_FCK); - - if (req_pck == dsi->cache_req_pck && - dsi->cache_cinfo.clkin == dss_sys_clk) { - DSSDBG("DSI clock info found from cache\n"); - *dsi_cinfo = dsi->cache_cinfo; - dispc_find_clk_divs(req_pck, dsi_cinfo->dsi_pll_hsdiv_dispc_clk, - dispc_cinfo); - return 0; - } - - min_fck_per_pck = CONFIG_OMAP2_DSS_MIN_FCK_PER_PCK; - - if (min_fck_per_pck && - req_pck * min_fck_per_pck > max_dss_fck) { - DSSERR("Requested pixel clock not possible with the current " - "OMAP2_DSS_MIN_FCK_PER_PCK setting. Turning " - "the constraint off.\n"); - min_fck_per_pck = 0; - } - - DSSDBG("dsi_pll_calc\n"); - -retry: - memset(&best, 0, sizeof(best)); - memset(&best_dispc, 0, sizeof(best_dispc)); - - memset(&cur, 0, sizeof(cur)); - cur.clkin = dss_sys_clk; - - /* 0.75MHz < Fint = clkin / regn < 2.1MHz */ - /* To reduce PLL lock time, keep Fint high (around 2 MHz) */ - for (cur.regn = 1; cur.regn < dsi->regn_max; ++cur.regn) { - cur.fint = cur.clkin / cur.regn; - - if (cur.fint > dsi->fint_max || cur.fint < dsi->fint_min) - continue; - - /* DSIPHY(MHz) = (2 * regm / regn) * clkin */ - for (cur.regm = 1; cur.regm < dsi->regm_max; ++cur.regm) { - unsigned long a, b; - - a = 2 * cur.regm * (cur.clkin/1000); - b = cur.regn; - cur.clkin4ddr = a / b * 1000; - - if (cur.clkin4ddr > 1800 * 1000 * 1000) - break; - - /* dsi_pll_hsdiv_dispc_clk(MHz) = - * DSIPHY(MHz) / regm_dispc < 173MHz/186Mhz */ - for (cur.regm_dispc = 1; cur.regm_dispc < - dsi->regm_dispc_max; ++cur.regm_dispc) { - struct dispc_clock_info cur_dispc; - cur.dsi_pll_hsdiv_dispc_clk = - cur.clkin4ddr / cur.regm_dispc; - - if (cur.regm_dispc > 1 && - cur.regm_dispc % 2 != 0 && - req_pck >= 1000000) - continue; - - /* this will narrow down the search a bit, - * but still give pixclocks below what was - * requested */ - if (cur.dsi_pll_hsdiv_dispc_clk < req_pck) - break; - - if (cur.dsi_pll_hsdiv_dispc_clk > max_dss_fck) - continue; - - if (min_fck_per_pck && - cur.dsi_pll_hsdiv_dispc_clk < - req_pck * min_fck_per_pck) - continue; - - match = 1; - - dispc_find_clk_divs(req_pck, - cur.dsi_pll_hsdiv_dispc_clk, - &cur_dispc); - - if (abs(cur_dispc.pck - req_pck) < - abs(best_dispc.pck - req_pck)) { - best = cur; - best_dispc = cur_dispc; - - if (cur_dispc.pck == req_pck) - goto found; - } - } - } - } -found: - if (!match) { - if (min_fck_per_pck) { - DSSERR("Could not find suitable clock settings.\n" - "Turning FCK/PCK constraint off and" - "trying again.\n"); - min_fck_per_pck = 0; - goto retry; - } - - DSSERR("Could not find suitable clock settings.\n"); - - return -EINVAL; - } - - /* dsi_pll_hsdiv_dsi_clk (regm_dsi) is not used */ - best.regm_dsi = 0; - best.dsi_pll_hsdiv_dsi_clk = 0; - - if (dsi_cinfo) - *dsi_cinfo = best; - if (dispc_cinfo) - *dispc_cinfo = best_dispc; - - dsi->cache_req_pck = req_pck; - dsi->cache_clk_freq = 0; - dsi->cache_cinfo = best; - - return 0; -} - -static int dsi_pll_calc_ddrfreq(struct platform_device *dsidev, - unsigned long req_clkin4ddr, struct dsi_clock_info *cinfo) -{ - struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); - struct dsi_clock_info cur, best; - - DSSDBG("dsi_pll_calc_ddrfreq\n"); - - memset(&best, 0, sizeof(best)); - memset(&cur, 0, sizeof(cur)); - - cur.clkin = clk_get_rate(dsi->sys_clk); - - for (cur.regn = 1; cur.regn < dsi->regn_max; ++cur.regn) { - cur.fint = cur.clkin / cur.regn; - - if (cur.fint > dsi->fint_max || cur.fint < dsi->fint_min) - continue; - - /* DSIPHY(MHz) = (2 * regm / regn) * clkin */ - for (cur.regm = 1; cur.regm < dsi->regm_max; ++cur.regm) { - unsigned long a, b; - - a = 2 * cur.regm * (cur.clkin/1000); - b = cur.regn; - cur.clkin4ddr = a / b * 1000; - - if (cur.clkin4ddr > 1800 * 1000 * 1000) - break; - - if (abs(cur.clkin4ddr - req_clkin4ddr) < - abs(best.clkin4ddr - req_clkin4ddr)) { - best = cur; - DSSDBG("best %ld\n", best.clkin4ddr); - } - - if (cur.clkin4ddr == req_clkin4ddr) - goto found; - } - } -found: - if (cinfo) - *cinfo = best; - - return 0; -} - -static void dsi_pll_calc_dsi_fck(struct platform_device *dsidev, - struct dsi_clock_info *cinfo) +static void dsi_pll_calc_dsi_fck(struct dsi_clock_info *cinfo) { unsigned long max_dsi_fck; @@ -1511,90 +1440,6 @@ static void dsi_pll_calc_dsi_fck(struct platform_device *dsidev, cinfo->dsi_pll_hsdiv_dsi_clk = cinfo->clkin4ddr / cinfo->regm_dsi; } -static int dsi_pll_calc_dispc_fck(struct platform_device *dsidev, - unsigned long req_pck, struct dsi_clock_info *cinfo, - struct dispc_clock_info *dispc_cinfo) -{ - struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); - unsigned regm_dispc, best_regm_dispc; - unsigned long dispc_clk, best_dispc_clk; - int min_fck_per_pck; - unsigned long max_dss_fck; - struct dispc_clock_info best_dispc; - bool match; - - max_dss_fck = dss_feat_get_param_max(FEAT_PARAM_DSS_FCK); - - min_fck_per_pck = CONFIG_OMAP2_DSS_MIN_FCK_PER_PCK; - - if (min_fck_per_pck && - req_pck * min_fck_per_pck > max_dss_fck) { - DSSERR("Requested pixel clock not possible with the current " - "OMAP2_DSS_MIN_FCK_PER_PCK setting. Turning " - "the constraint off.\n"); - min_fck_per_pck = 0; - } - -retry: - best_regm_dispc = 0; - best_dispc_clk = 0; - memset(&best_dispc, 0, sizeof(best_dispc)); - match = false; - - for (regm_dispc = 1; regm_dispc < dsi->regm_dispc_max; ++regm_dispc) { - struct dispc_clock_info cur_dispc; - - dispc_clk = cinfo->clkin4ddr / regm_dispc; - - /* this will narrow down the search a bit, - * but still give pixclocks below what was - * requested */ - if (dispc_clk < req_pck) - break; - - if (dispc_clk > max_dss_fck) - continue; - - if (min_fck_per_pck && dispc_clk < req_pck * min_fck_per_pck) - continue; - - match = true; - - dispc_find_clk_divs(req_pck, dispc_clk, &cur_dispc); - - if (abs(cur_dispc.pck - req_pck) < - abs(best_dispc.pck - req_pck)) { - best_regm_dispc = regm_dispc; - best_dispc_clk = dispc_clk; - best_dispc = cur_dispc; - - if (cur_dispc.pck == req_pck) - goto found; - } - } - - if (!match) { - if (min_fck_per_pck) { - DSSERR("Could not find suitable clock settings.\n" - "Turning FCK/PCK constraint off and" - "trying again.\n"); - min_fck_per_pck = 0; - goto retry; - } - - DSSERR("Could not find suitable clock settings.\n"); - - return -EINVAL; - } -found: - cinfo->regm_dispc = best_regm_dispc; - cinfo->dsi_pll_hsdiv_dispc_clk = best_dispc_clk; - - *dispc_cinfo = best_dispc; - - return 0; -} - int dsi_pll_set_clock_div(struct platform_device *dsidev, struct dsi_clock_info *cinfo) { @@ -2783,6 +2628,7 @@ static int dsi_vc_enable(struct platform_device *dsidev, int channel, static void dsi_vc_initial_config(struct platform_device *dsidev, int channel) { + struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); u32 r; DSSDBG("Initial config of virtual channel %d", channel); @@ -2807,6 +2653,8 @@ static void dsi_vc_initial_config(struct platform_device *dsidev, int channel) r = FLD_MOD(r, 4, 23, 21); /* DMA_TX_REQ_NB = no dma */ dsi_write_reg(dsidev, DSI_VC_CTRL(channel), r); + + dsi->vc[channel].source = DSI_VC_SOURCE_L4; } static int dsi_vc_config_source(struct platform_device *dsidev, int channel, @@ -3777,13 +3625,12 @@ static void dsi_config_vp_num_line_buffers(struct platform_device *dsidev) if (dsi->mode == OMAP_DSS_DSI_VIDEO_MODE) { int bpp = dsi_get_pixel_size(dsi->pix_fmt); - unsigned line_buf_size = dsi_get_line_buf_size(dsidev); struct omap_video_timings *timings = &dsi->timings; /* * Don't use line buffers if width is greater than the video * port's line buffer size */ - if (line_buf_size <= timings->x_res * bpp / 8) + if (dsi->line_buffer_size <= timings->x_res * bpp / 8) num_line_buffers = 0; else num_line_buffers = 2; @@ -3799,18 +3646,22 @@ static void dsi_config_vp_num_line_buffers(struct platform_device *dsidev) static void dsi_config_vp_sync_events(struct platform_device *dsidev) { struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); - bool vsync_end = dsi->vm_timings.vp_vsync_end; - bool hsync_end = dsi->vm_timings.vp_hsync_end; + bool sync_end; u32 r; + if (dsi->vm_timings.trans_mode == OMAP_DSS_DSI_PULSE_MODE) + sync_end = true; + else + sync_end = false; + r = dsi_read_reg(dsidev, DSI_CTRL); r = FLD_MOD(r, 1, 9, 9); /* VP_DE_POL */ r = FLD_MOD(r, 1, 10, 10); /* VP_HSYNC_POL */ r = FLD_MOD(r, 1, 11, 11); /* VP_VSYNC_POL */ r = FLD_MOD(r, 1, 15, 15); /* VP_VSYNC_START */ - r = FLD_MOD(r, vsync_end, 16, 16); /* VP_VSYNC_END */ + r = FLD_MOD(r, sync_end, 16, 16); /* VP_VSYNC_END */ r = FLD_MOD(r, 1, 17, 17); /* VP_HSYNC_START */ - r = FLD_MOD(r, hsync_end, 18, 18); /* VP_HSYNC_END */ + r = FLD_MOD(r, sync_end, 18, 18); /* VP_HSYNC_END */ dsi_write_reg(dsidev, DSI_CTRL, r); } @@ -3897,9 +3748,8 @@ static int dsi_compute_interleave_lp(int blank, int enter_hs, int exit_hs, return max(lp_inter, 0); } -static void dsi_config_cmd_mode_interleaving(struct omap_dss_device *dssdev) +static void dsi_config_cmd_mode_interleaving(struct platform_device *dsidev) { - struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); int blanking_mode; int hfp_blanking_mode, hbp_blanking_mode, hsa_blanking_mode; @@ -3910,7 +3760,7 @@ static void dsi_config_cmd_mode_interleaving(struct omap_dss_device *dssdev) struct omap_video_timings *timings = &dsi->timings; int bpp = dsi_get_pixel_size(dsi->pix_fmt); int ndl = dsi->num_lanes_used - 1; - int dsi_fclk_hsdiv = dssdev->clocks.dsi.regm_dsi + 1; + int dsi_fclk_hsdiv = dsi->user_dsi_cinfo.regm_dsi + 1; int hsa_interleave_hs = 0, hsa_interleave_lp = 0; int hfp_interleave_hs = 0, hfp_interleave_lp = 0; int hbp_interleave_hs = 0, hbp_interleave_lp = 0; @@ -4015,9 +3865,8 @@ static void dsi_config_cmd_mode_interleaving(struct omap_dss_device *dssdev) dsi_write_reg(dsidev, DSI_VM_TIMING6, r); } -static int dsi_proto_config(struct omap_dss_device *dssdev) +static int dsi_proto_config(struct platform_device *dsidev) { - struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); u32 r; int buswidth = 0; @@ -4075,7 +3924,7 @@ static int dsi_proto_config(struct omap_dss_device *dssdev) if (dsi->mode == OMAP_DSS_DSI_VIDEO_MODE) { dsi_config_vp_sync_events(dsidev); dsi_config_blanking_modes(dsidev); - dsi_config_cmd_mode_interleaving(dssdev); + dsi_config_cmd_mode_interleaving(dsidev); } dsi_vc_initial_config(dsidev, 0); @@ -4159,11 +4008,12 @@ static void dsi_proto_timings(struct platform_device *dsidev) int vfp = dsi->vm_timings.vfp; int vbp = dsi->vm_timings.vbp; int window_sync = dsi->vm_timings.window_sync; - bool hsync_end = dsi->vm_timings.vp_hsync_end; + bool hsync_end; struct omap_video_timings *timings = &dsi->timings; int bpp = dsi_get_pixel_size(dsi->pix_fmt); int tl, t_he, width_bytes; + hsync_end = dsi->vm_timings.trans_mode == OMAP_DSS_DSI_PULSE_MODE; t_he = hsync_end ? ((hsa == 0 && ndl == 3) ? 1 : DIV_ROUND_UP(4, ndl)) : 0; @@ -4266,82 +4116,26 @@ int omapdss_dsi_configure_pins(struct omap_dss_device *dssdev, } EXPORT_SYMBOL(omapdss_dsi_configure_pins); -int omapdss_dsi_set_clocks(struct omap_dss_device *dssdev, - unsigned long ddr_clk, unsigned long lp_clk) -{ - struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); - struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); - struct dsi_clock_info cinfo; - struct dispc_clock_info dispc_cinfo; - unsigned lp_clk_div; - unsigned long dsi_fclk; - int bpp = dsi_get_pixel_size(dssdev->panel.dsi_pix_fmt); - unsigned long pck; - int r; - - DSSDBG("Setting DSI clocks: ddr_clk %lu, lp_clk %lu", ddr_clk, lp_clk); - - mutex_lock(&dsi->lock); - - /* Calculate PLL output clock */ - r = dsi_pll_calc_ddrfreq(dsidev, ddr_clk * 4, &cinfo); - if (r) - goto err; - - /* Calculate PLL's DSI clock */ - dsi_pll_calc_dsi_fck(dsidev, &cinfo); - - /* Calculate PLL's DISPC clock and pck & lck divs */ - pck = cinfo.clkin4ddr / 16 * (dsi->num_lanes_used - 1) * 8 / bpp; - DSSDBG("finding dispc dividers for pck %lu\n", pck); - r = dsi_pll_calc_dispc_fck(dsidev, pck, &cinfo, &dispc_cinfo); - if (r) - goto err; - - /* Calculate LP clock */ - dsi_fclk = cinfo.dsi_pll_hsdiv_dsi_clk; - lp_clk_div = DIV_ROUND_UP(dsi_fclk, lp_clk * 2); - - dssdev->clocks.dsi.regn = cinfo.regn; - dssdev->clocks.dsi.regm = cinfo.regm; - dssdev->clocks.dsi.regm_dispc = cinfo.regm_dispc; - dssdev->clocks.dsi.regm_dsi = cinfo.regm_dsi; - - dssdev->clocks.dsi.lp_clk_div = lp_clk_div; - - dssdev->clocks.dispc.channel.lck_div = dispc_cinfo.lck_div; - dssdev->clocks.dispc.channel.pck_div = dispc_cinfo.pck_div; - - dssdev->clocks.dispc.dispc_fclk_src = OMAP_DSS_CLK_SRC_FCK; - - dssdev->clocks.dispc.channel.lcd_clk_src = - dsi->module_id == 0 ? - OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC : - OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DISPC; - - dssdev->clocks.dsi.dsi_fclk_src = - dsi->module_id == 0 ? - OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI : - OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DSI; - - mutex_unlock(&dsi->lock); - return 0; -err: - mutex_unlock(&dsi->lock); - return r; -} -EXPORT_SYMBOL(omapdss_dsi_set_clocks); - int dsi_enable_video_output(struct omap_dss_device *dssdev, int channel) { struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); - struct omap_overlay_manager *mgr = dssdev->output->manager; + struct omap_overlay_manager *mgr = dsi->output.manager; int bpp = dsi_get_pixel_size(dsi->pix_fmt); + struct omap_dss_output *out = &dsi->output; u8 data_type; u16 word_count; int r; + if (out == NULL || out->manager == NULL) { + DSSERR("failed to enable display: no output/manager\n"); + return -ENODEV; + } + + r = dsi_display_init_dispc(dsidev, mgr); + if (r) + goto err_init_dispc; + if (dsi->mode == OMAP_DSS_DSI_VIDEO_MODE) { switch (dsi->pix_fmt) { case OMAP_DSS_DSI_FMT_RGB888: @@ -4357,8 +4151,8 @@ int dsi_enable_video_output(struct omap_dss_device *dssdev, int channel) data_type = MIPI_DSI_PACKED_PIXEL_STREAM_16; break; default: - BUG(); - return -EINVAL; + r = -EINVAL; + goto err_pix_fmt; }; dsi_if_enable(dsidev, false); @@ -4377,16 +4171,20 @@ int dsi_enable_video_output(struct omap_dss_device *dssdev, int channel) } r = dss_mgr_enable(mgr); - if (r) { - if (dsi->mode == OMAP_DSS_DSI_VIDEO_MODE) { - dsi_if_enable(dsidev, false); - dsi_vc_enable(dsidev, channel, false); - } - - return r; - } + if (r) + goto err_mgr_enable; return 0; + +err_mgr_enable: + if (dsi->mode == OMAP_DSS_DSI_VIDEO_MODE) { + dsi_if_enable(dsidev, false); + dsi_vc_enable(dsidev, channel, false); + } +err_pix_fmt: + dsi_display_uninit_dispc(dsidev, mgr); +err_init_dispc: + return r; } EXPORT_SYMBOL(dsi_enable_video_output); @@ -4394,7 +4192,7 @@ void dsi_disable_video_output(struct omap_dss_device *dssdev, int channel) { struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); - struct omap_overlay_manager *mgr = dssdev->output->manager; + struct omap_overlay_manager *mgr = dsi->output.manager; if (dsi->mode == OMAP_DSS_DSI_VIDEO_MODE) { dsi_if_enable(dsidev, false); @@ -4408,14 +4206,15 @@ void dsi_disable_video_output(struct omap_dss_device *dssdev, int channel) } dss_mgr_disable(mgr); + + dsi_display_uninit_dispc(dsidev, mgr); } EXPORT_SYMBOL(dsi_disable_video_output); -static void dsi_update_screen_dispc(struct omap_dss_device *dssdev) +static void dsi_update_screen_dispc(struct platform_device *dsidev) { - struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); - struct omap_overlay_manager *mgr = dssdev->output->manager; + struct omap_overlay_manager *mgr = dsi->output.manager; unsigned bytespp; unsigned bytespl; unsigned bytespf; @@ -4425,7 +4224,7 @@ static void dsi_update_screen_dispc(struct omap_dss_device *dssdev) u32 l; int r; const unsigned channel = dsi->update_channel; - const unsigned line_buf_size = dsi_get_line_buf_size(dsidev); + const unsigned line_buf_size = dsi->line_buffer_size; u16 w = dsi->timings.x_res; u16 h = dsi->timings.y_res; @@ -4571,7 +4370,7 @@ int omap_dsi_update(struct omap_dss_device *dssdev, int channel, dsi->update_bytes = dw * dh * dsi_get_pixel_size(dsi->pix_fmt) / 8; #endif - dsi_update_screen_dispc(dssdev); + dsi_update_screen_dispc(dsidev); return 0; } @@ -4579,18 +4378,17 @@ EXPORT_SYMBOL(omap_dsi_update); /* Display funcs */ -static int dsi_configure_dispc_clocks(struct omap_dss_device *dssdev) +static int dsi_configure_dispc_clocks(struct platform_device *dsidev) { - struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); struct dispc_clock_info dispc_cinfo; int r; - unsigned long long fck; + unsigned long fck; fck = dsi_get_pll_hsdiv_dispc_rate(dsidev); - dispc_cinfo.lck_div = dssdev->clocks.dispc.channel.lck_div; - dispc_cinfo.pck_div = dssdev->clocks.dispc.channel.pck_div; + dispc_cinfo.lck_div = dsi->user_dispc_cinfo.lck_div; + dispc_cinfo.pck_div = dsi->user_dispc_cinfo.pck_div; r = dispc_calc_clock_rates(fck, &dispc_cinfo); if (r) { @@ -4603,21 +4401,17 @@ static int dsi_configure_dispc_clocks(struct omap_dss_device *dssdev) return 0; } -static int dsi_display_init_dispc(struct omap_dss_device *dssdev) +static int dsi_display_init_dispc(struct platform_device *dsidev, + struct omap_overlay_manager *mgr) { - struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); - struct omap_overlay_manager *mgr = dssdev->output->manager; int r; - if (dsi->mode == OMAP_DSS_DSI_CMD_MODE) { - dsi->timings.hsw = 1; - dsi->timings.hfp = 1; - dsi->timings.hbp = 1; - dsi->timings.vsw = 1; - dsi->timings.vfp = 0; - dsi->timings.vbp = 0; + dss_select_lcd_clk_source(mgr->id, dsi->module_id == 0 ? + OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC : + OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DISPC); + if (dsi->mode == OMAP_DSS_DSI_CMD_MODE) { r = dss_mgr_register_framedone_handler(mgr, dsi_framedone_irq_callback, dsidev); if (r) { @@ -4645,7 +4439,7 @@ static int dsi_display_init_dispc(struct omap_dss_device *dssdev) dss_mgr_set_timings(mgr, &dsi->timings); - r = dsi_configure_dispc_clocks(dssdev); + r = dsi_configure_dispc_clocks(dsidev); if (r) goto err1; @@ -4662,30 +4456,30 @@ err1: dss_mgr_unregister_framedone_handler(mgr, dsi_framedone_irq_callback, dsidev); err: + dss_select_lcd_clk_source(mgr->id, OMAP_DSS_CLK_SRC_FCK); return r; } -static void dsi_display_uninit_dispc(struct omap_dss_device *dssdev) +static void dsi_display_uninit_dispc(struct platform_device *dsidev, + struct omap_overlay_manager *mgr) { - struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); - struct omap_overlay_manager *mgr = dssdev->output->manager; if (dsi->mode == OMAP_DSS_DSI_CMD_MODE) dss_mgr_unregister_framedone_handler(mgr, dsi_framedone_irq_callback, dsidev); + + dss_select_lcd_clk_source(mgr->id, OMAP_DSS_CLK_SRC_FCK); } -static int dsi_configure_dsi_clocks(struct omap_dss_device *dssdev) +static int dsi_configure_dsi_clocks(struct platform_device *dsidev) { - struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); + struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); struct dsi_clock_info cinfo; int r; - cinfo.regn = dssdev->clocks.dsi.regn; - cinfo.regm = dssdev->clocks.dsi.regm; - cinfo.regm_dispc = dssdev->clocks.dsi.regm_dispc; - cinfo.regm_dsi = dssdev->clocks.dsi.regm_dsi; + cinfo = dsi->user_dsi_cinfo; + r = dsi_calc_clock_rates(dsidev, &cinfo); if (r) { DSSERR("Failed to calc dsi clocks\n"); @@ -4701,24 +4495,22 @@ static int dsi_configure_dsi_clocks(struct omap_dss_device *dssdev) return 0; } -static int dsi_display_init_dsi(struct omap_dss_device *dssdev) +static int dsi_display_init_dsi(struct platform_device *dsidev) { - struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); - struct omap_overlay_manager *mgr = dssdev->output->manager; int r; r = dsi_pll_init(dsidev, true, true); if (r) goto err0; - r = dsi_configure_dsi_clocks(dssdev); + r = dsi_configure_dsi_clocks(dsidev); if (r) goto err1; - dss_select_dsi_clk_source(dsi->module_id, dssdev->clocks.dsi.dsi_fclk_src); - dss_select_lcd_clk_source(mgr->id, - dssdev->clocks.dispc.channel.lcd_clk_src); + dss_select_dsi_clk_source(dsi->module_id, dsi->module_id == 0 ? + OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI : + OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DSI); DSSDBG("PLL OK\n"); @@ -4729,12 +4521,12 @@ static int dsi_display_init_dsi(struct omap_dss_device *dssdev) _dsi_print_reset_status(dsidev); dsi_proto_timings(dsidev); - dsi_set_lp_clk_divisor(dssdev); + dsi_set_lp_clk_divisor(dsidev); if (1) _dsi_print_reset_status(dsidev); - r = dsi_proto_config(dssdev); + r = dsi_proto_config(dsidev); if (r) goto err3; @@ -4751,20 +4543,16 @@ err3: dsi_cio_uninit(dsidev); err2: dss_select_dsi_clk_source(dsi->module_id, OMAP_DSS_CLK_SRC_FCK); - dss_select_lcd_clk_source(mgr->id, OMAP_DSS_CLK_SRC_FCK); - err1: dsi_pll_uninit(dsidev, true); err0: return r; } -static void dsi_display_uninit_dsi(struct omap_dss_device *dssdev, +static void dsi_display_uninit_dsi(struct platform_device *dsidev, bool disconnect_lanes, bool enter_ulps) { - struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); - struct omap_overlay_manager *mgr = dssdev->output->manager; if (enter_ulps && !dsi->ulps_enabled) dsi_enter_ulps(dsidev); @@ -4777,7 +4565,6 @@ static void dsi_display_uninit_dsi(struct omap_dss_device *dssdev, dsi_vc_enable(dsidev, 3, 0); dss_select_dsi_clk_source(dsi->module_id, OMAP_DSS_CLK_SRC_FCK); - dss_select_lcd_clk_source(mgr->id, OMAP_DSS_CLK_SRC_FCK); dsi_cio_uninit(dsidev); dsi_pll_uninit(dsidev, disconnect_lanes); } @@ -4786,7 +4573,6 @@ int omapdss_dsi_display_enable(struct omap_dss_device *dssdev) { struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); - struct omap_dss_output *out = dssdev->output; int r = 0; DSSDBG("dsi_display_enable\n"); @@ -4795,12 +4581,6 @@ int omapdss_dsi_display_enable(struct omap_dss_device *dssdev) mutex_lock(&dsi->lock); - if (out == NULL || out->manager == NULL) { - DSSERR("failed to enable display: no output/manager\n"); - r = -ENODEV; - goto err_start_dev; - } - r = omap_dss_start_device(dssdev); if (r) { DSSERR("failed to start device\n"); @@ -4815,11 +4595,7 @@ int omapdss_dsi_display_enable(struct omap_dss_device *dssdev) _dsi_initialize_irq(dsidev); - r = dsi_display_init_dispc(dssdev); - if (r) - goto err_init_dispc; - - r = dsi_display_init_dsi(dssdev); + r = dsi_display_init_dsi(dsidev); if (r) goto err_init_dsi; @@ -4828,8 +4604,6 @@ int omapdss_dsi_display_enable(struct omap_dss_device *dssdev) return 0; err_init_dsi: - dsi_display_uninit_dispc(dssdev); -err_init_dispc: dsi_enable_pll_clock(dsidev, 0); dsi_runtime_put(dsidev); err_get_dsi: @@ -4858,9 +4632,7 @@ void omapdss_dsi_display_disable(struct omap_dss_device *dssdev, dsi_sync_vc(dsidev, 2); dsi_sync_vc(dsidev, 3); - dsi_display_uninit_dispc(dssdev); - - dsi_display_uninit_dsi(dssdev, disconnect_lanes, enter_ulps); + dsi_display_uninit_dsi(dsidev, disconnect_lanes, enter_ulps); dsi_runtime_put(dsidev); dsi_enable_pll_clock(dsidev, 0); @@ -4881,77 +4653,579 @@ int omapdss_dsi_enable_te(struct omap_dss_device *dssdev, bool enable) } EXPORT_SYMBOL(omapdss_dsi_enable_te); -void omapdss_dsi_set_timings(struct omap_dss_device *dssdev, - struct omap_video_timings *timings) +#ifdef PRINT_VERBOSE_VM_TIMINGS +static void print_dsi_vm(const char *str, + const struct omap_dss_dsi_videomode_timings *t) +{ + unsigned long byteclk = t->hsclk / 4; + int bl, wc, pps, tot; + + wc = DIV_ROUND_UP(t->hact * t->bitspp, 8); + pps = DIV_ROUND_UP(wc + 6, t->ndl); /* pixel packet size */ + bl = t->hss + t->hsa + t->hse + t->hbp + t->hfp; + tot = bl + pps; + +#define TO_DSI_T(x) ((u32)div64_u64((u64)x * 1000000000llu, byteclk)) + + pr_debug("%s bck %lu, %u/%u/%u/%u/%u/%u = %u+%u = %u, " + "%u/%u/%u/%u/%u/%u = %u + %u = %u\n", + str, + byteclk, + t->hss, t->hsa, t->hse, t->hbp, pps, t->hfp, + bl, pps, tot, + TO_DSI_T(t->hss), + TO_DSI_T(t->hsa), + TO_DSI_T(t->hse), + TO_DSI_T(t->hbp), + TO_DSI_T(pps), + TO_DSI_T(t->hfp), + + TO_DSI_T(bl), + TO_DSI_T(pps), + + TO_DSI_T(tot)); +#undef TO_DSI_T +} + +static void print_dispc_vm(const char *str, const struct omap_video_timings *t) +{ + unsigned long pck = t->pixel_clock * 1000; + int hact, bl, tot; + + hact = t->x_res; + bl = t->hsw + t->hbp + t->hfp; + tot = hact + bl; + +#define TO_DISPC_T(x) ((u32)div64_u64((u64)x * 1000000000llu, pck)) + + pr_debug("%s pck %lu, %u/%u/%u/%u = %u+%u = %u, " + "%u/%u/%u/%u = %u + %u = %u\n", + str, + pck, + t->hsw, t->hbp, hact, t->hfp, + bl, hact, tot, + TO_DISPC_T(t->hsw), + TO_DISPC_T(t->hbp), + TO_DISPC_T(hact), + TO_DISPC_T(t->hfp), + TO_DISPC_T(bl), + TO_DISPC_T(hact), + TO_DISPC_T(tot)); +#undef TO_DISPC_T +} + +/* note: this is not quite accurate */ +static void print_dsi_dispc_vm(const char *str, + const struct omap_dss_dsi_videomode_timings *t) +{ + struct omap_video_timings vm = { 0 }; + unsigned long byteclk = t->hsclk / 4; + unsigned long pck; + u64 dsi_tput; + int dsi_hact, dsi_htot; + + dsi_tput = (u64)byteclk * t->ndl * 8; + pck = (u32)div64_u64(dsi_tput, t->bitspp); + dsi_hact = DIV_ROUND_UP(DIV_ROUND_UP(t->hact * t->bitspp, 8) + 6, t->ndl); + dsi_htot = t->hss + t->hsa + t->hse + t->hbp + dsi_hact + t->hfp; + + vm.pixel_clock = pck / 1000; + vm.hsw = div64_u64((u64)(t->hsa + t->hse) * pck, byteclk); + vm.hbp = div64_u64((u64)t->hbp * pck, byteclk); + vm.hfp = div64_u64((u64)t->hfp * pck, byteclk); + vm.x_res = t->hact; + + print_dispc_vm(str, &vm); +} +#endif /* PRINT_VERBOSE_VM_TIMINGS */ + +static bool dsi_cm_calc_dispc_cb(int lckd, int pckd, unsigned long lck, + unsigned long pck, void *data) { - struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); - struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); + struct dsi_clk_calc_ctx *ctx = data; + struct omap_video_timings *t = &ctx->dispc_vm; - mutex_lock(&dsi->lock); + ctx->dispc_cinfo.lck_div = lckd; + ctx->dispc_cinfo.pck_div = pckd; + ctx->dispc_cinfo.lck = lck; + ctx->dispc_cinfo.pck = pck; - dsi->timings = *timings; + *t = *ctx->config->timings; + t->pixel_clock = pck / 1000; + t->x_res = ctx->config->timings->x_res; + t->y_res = ctx->config->timings->y_res; + t->hsw = t->hfp = t->hbp = t->vsw = 1; + t->vfp = t->vbp = 0; - mutex_unlock(&dsi->lock); + return true; } -EXPORT_SYMBOL(omapdss_dsi_set_timings); -void omapdss_dsi_set_size(struct omap_dss_device *dssdev, u16 w, u16 h) +static bool dsi_cm_calc_hsdiv_cb(int regm_dispc, unsigned long dispc, + void *data) { - struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); - struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); + struct dsi_clk_calc_ctx *ctx = data; - mutex_lock(&dsi->lock); + ctx->dsi_cinfo.regm_dispc = regm_dispc; + ctx->dsi_cinfo.dsi_pll_hsdiv_dispc_clk = dispc; - dsi->timings.x_res = w; - dsi->timings.y_res = h; + return dispc_div_calc(dispc, ctx->req_pck_min, ctx->req_pck_max, + dsi_cm_calc_dispc_cb, ctx); +} - mutex_unlock(&dsi->lock); +static bool dsi_cm_calc_pll_cb(int regn, int regm, unsigned long fint, + unsigned long pll, void *data) +{ + struct dsi_clk_calc_ctx *ctx = data; + + ctx->dsi_cinfo.regn = regn; + ctx->dsi_cinfo.regm = regm; + ctx->dsi_cinfo.fint = fint; + ctx->dsi_cinfo.clkin4ddr = pll; + + return dsi_hsdiv_calc(ctx->dsidev, pll, ctx->req_pck_min, + dsi_cm_calc_hsdiv_cb, ctx); } -EXPORT_SYMBOL(omapdss_dsi_set_size); -void omapdss_dsi_set_pixel_format(struct omap_dss_device *dssdev, - enum omap_dss_dsi_pixel_format fmt) +static bool dsi_cm_calc(struct dsi_data *dsi, + const struct omap_dss_dsi_config *cfg, + struct dsi_clk_calc_ctx *ctx) { - struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); - struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); + unsigned long clkin; + int bitspp, ndl; + unsigned long pll_min, pll_max; + unsigned long pck, txbyteclk; - mutex_lock(&dsi->lock); + clkin = clk_get_rate(dsi->sys_clk); + bitspp = dsi_get_pixel_size(cfg->pixel_format); + ndl = dsi->num_lanes_used - 1; - dsi->pix_fmt = fmt; + /* + * Here we should calculate minimum txbyteclk to be able to send the + * frame in time, and also to handle TE. That's not very simple, though, + * especially as we go to LP between each pixel packet due to HW + * "feature". So let's just estimate very roughly and multiply by 1.5. + */ + pck = cfg->timings->pixel_clock * 1000; + pck = pck * 3 / 2; + txbyteclk = pck * bitspp / 8 / ndl; - mutex_unlock(&dsi->lock); + memset(ctx, 0, sizeof(*ctx)); + ctx->dsidev = dsi->pdev; + ctx->config = cfg; + ctx->req_pck_min = pck; + ctx->req_pck_nom = pck; + ctx->req_pck_max = pck * 3 / 2; + ctx->dsi_cinfo.clkin = clkin; + + pll_min = max(cfg->hs_clk_min * 4, txbyteclk * 4 * 4); + pll_max = cfg->hs_clk_max * 4; + + return dsi_pll_calc(dsi->pdev, clkin, + pll_min, pll_max, + dsi_cm_calc_pll_cb, ctx); } -EXPORT_SYMBOL(omapdss_dsi_set_pixel_format); -void omapdss_dsi_set_operation_mode(struct omap_dss_device *dssdev, - enum omap_dss_dsi_mode mode) +static bool dsi_vm_calc_blanking(struct dsi_clk_calc_ctx *ctx) { - struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); - struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); + struct dsi_data *dsi = dsi_get_dsidrv_data(ctx->dsidev); + const struct omap_dss_dsi_config *cfg = ctx->config; + int bitspp = dsi_get_pixel_size(cfg->pixel_format); + int ndl = dsi->num_lanes_used - 1; + unsigned long hsclk = ctx->dsi_cinfo.clkin4ddr / 4; + unsigned long byteclk = hsclk / 4; - mutex_lock(&dsi->lock); + unsigned long dispc_pck, req_pck_min, req_pck_nom, req_pck_max; + int xres; + int panel_htot, panel_hbl; /* pixels */ + int dispc_htot, dispc_hbl; /* pixels */ + int dsi_htot, dsi_hact, dsi_hbl, hss, hse; /* byteclks */ + int hfp, hsa, hbp; + const struct omap_video_timings *req_vm; + struct omap_video_timings *dispc_vm; + struct omap_dss_dsi_videomode_timings *dsi_vm; + u64 dsi_tput, dispc_tput; - dsi->mode = mode; + dsi_tput = (u64)byteclk * ndl * 8; - mutex_unlock(&dsi->lock); + req_vm = cfg->timings; + req_pck_min = ctx->req_pck_min; + req_pck_max = ctx->req_pck_max; + req_pck_nom = ctx->req_pck_nom; + + dispc_pck = ctx->dispc_cinfo.pck; + dispc_tput = (u64)dispc_pck * bitspp; + + xres = req_vm->x_res; + + panel_hbl = req_vm->hfp + req_vm->hbp + req_vm->hsw; + panel_htot = xres + panel_hbl; + + dsi_hact = DIV_ROUND_UP(DIV_ROUND_UP(xres * bitspp, 8) + 6, ndl); + + /* + * When there are no line buffers, DISPC and DSI must have the + * same tput. Otherwise DISPC tput needs to be higher than DSI's. + */ + if (dsi->line_buffer_size < xres * bitspp / 8) { + if (dispc_tput != dsi_tput) + return false; + } else { + if (dispc_tput < dsi_tput) + return false; + } + + /* DSI tput must be over the min requirement */ + if (dsi_tput < (u64)bitspp * req_pck_min) + return false; + + /* When non-burst mode, DSI tput must be below max requirement. */ + if (cfg->trans_mode != OMAP_DSS_DSI_BURST_MODE) { + if (dsi_tput > (u64)bitspp * req_pck_max) + return false; + } + + hss = DIV_ROUND_UP(4, ndl); + + if (cfg->trans_mode == OMAP_DSS_DSI_PULSE_MODE) { + if (ndl == 3 && req_vm->hsw == 0) + hse = 1; + else + hse = DIV_ROUND_UP(4, ndl); + } else { + hse = 0; + } + + /* DSI htot to match the panel's nominal pck */ + dsi_htot = div64_u64((u64)panel_htot * byteclk, req_pck_nom); + + /* fail if there would be no time for blanking */ + if (dsi_htot < hss + hse + dsi_hact) + return false; + + /* total DSI blanking needed to achieve panel's TL */ + dsi_hbl = dsi_htot - dsi_hact; + + /* DISPC htot to match the DSI TL */ + dispc_htot = div64_u64((u64)dsi_htot * dispc_pck, byteclk); + + /* verify that the DSI and DISPC TLs are the same */ + if ((u64)dsi_htot * dispc_pck != (u64)dispc_htot * byteclk) + return false; + + dispc_hbl = dispc_htot - xres; + + /* setup DSI videomode */ + + dsi_vm = &ctx->dsi_vm; + memset(dsi_vm, 0, sizeof(*dsi_vm)); + + dsi_vm->hsclk = hsclk; + + dsi_vm->ndl = ndl; + dsi_vm->bitspp = bitspp; + + if (cfg->trans_mode != OMAP_DSS_DSI_PULSE_MODE) { + hsa = 0; + } else if (ndl == 3 && req_vm->hsw == 0) { + hsa = 0; + } else { + hsa = div64_u64((u64)req_vm->hsw * byteclk, req_pck_nom); + hsa = max(hsa - hse, 1); + } + + hbp = div64_u64((u64)req_vm->hbp * byteclk, req_pck_nom); + hbp = max(hbp, 1); + + hfp = dsi_hbl - (hss + hsa + hse + hbp); + if (hfp < 1) { + int t; + /* we need to take cycles from hbp */ + + t = 1 - hfp; + hbp = max(hbp - t, 1); + hfp = dsi_hbl - (hss + hsa + hse + hbp); + + if (hfp < 1 && hsa > 0) { + /* we need to take cycles from hsa */ + t = 1 - hfp; + hsa = max(hsa - t, 1); + hfp = dsi_hbl - (hss + hsa + hse + hbp); + } + } + + if (hfp < 1) + return false; + + dsi_vm->hss = hss; + dsi_vm->hsa = hsa; + dsi_vm->hse = hse; + dsi_vm->hbp = hbp; + dsi_vm->hact = xres; + dsi_vm->hfp = hfp; + + dsi_vm->vsa = req_vm->vsw; + dsi_vm->vbp = req_vm->vbp; + dsi_vm->vact = req_vm->y_res; + dsi_vm->vfp = req_vm->vfp; + + dsi_vm->trans_mode = cfg->trans_mode; + + dsi_vm->blanking_mode = 0; + dsi_vm->hsa_blanking_mode = 1; + dsi_vm->hfp_blanking_mode = 1; + dsi_vm->hbp_blanking_mode = 1; + + dsi_vm->ddr_clk_always_on = cfg->ddr_clk_always_on; + dsi_vm->window_sync = 4; + + /* setup DISPC videomode */ + + dispc_vm = &ctx->dispc_vm; + *dispc_vm = *req_vm; + dispc_vm->pixel_clock = dispc_pck / 1000; + + if (cfg->trans_mode == OMAP_DSS_DSI_PULSE_MODE) { + hsa = div64_u64((u64)req_vm->hsw * dispc_pck, + req_pck_nom); + hsa = max(hsa, 1); + } else { + hsa = 1; + } + + hbp = div64_u64((u64)req_vm->hbp * dispc_pck, req_pck_nom); + hbp = max(hbp, 1); + + hfp = dispc_hbl - hsa - hbp; + if (hfp < 1) { + int t; + /* we need to take cycles from hbp */ + + t = 1 - hfp; + hbp = max(hbp - t, 1); + hfp = dispc_hbl - hsa - hbp; + + if (hfp < 1) { + /* we need to take cycles from hsa */ + t = 1 - hfp; + hsa = max(hsa - t, 1); + hfp = dispc_hbl - hsa - hbp; + } + } + + if (hfp < 1) + return false; + + dispc_vm->hfp = hfp; + dispc_vm->hsw = hsa; + dispc_vm->hbp = hbp; + + return true; } -EXPORT_SYMBOL(omapdss_dsi_set_operation_mode); -void omapdss_dsi_set_videomode_timings(struct omap_dss_device *dssdev, - struct omap_dss_dsi_videomode_timings *timings) + +static bool dsi_vm_calc_dispc_cb(int lckd, int pckd, unsigned long lck, + unsigned long pck, void *data) +{ + struct dsi_clk_calc_ctx *ctx = data; + + ctx->dispc_cinfo.lck_div = lckd; + ctx->dispc_cinfo.pck_div = pckd; + ctx->dispc_cinfo.lck = lck; + ctx->dispc_cinfo.pck = pck; + + if (dsi_vm_calc_blanking(ctx) == false) + return false; + +#ifdef PRINT_VERBOSE_VM_TIMINGS + print_dispc_vm("dispc", &ctx->dispc_vm); + print_dsi_vm("dsi ", &ctx->dsi_vm); + print_dispc_vm("req ", ctx->config->timings); + print_dsi_dispc_vm("act ", &ctx->dsi_vm); +#endif + + return true; +} + +static bool dsi_vm_calc_hsdiv_cb(int regm_dispc, unsigned long dispc, + void *data) +{ + struct dsi_clk_calc_ctx *ctx = data; + unsigned long pck_max; + + ctx->dsi_cinfo.regm_dispc = regm_dispc; + ctx->dsi_cinfo.dsi_pll_hsdiv_dispc_clk = dispc; + + /* + * In burst mode we can let the dispc pck be arbitrarily high, but it + * limits our scaling abilities. So for now, don't aim too high. + */ + + if (ctx->config->trans_mode == OMAP_DSS_DSI_BURST_MODE) + pck_max = ctx->req_pck_max + 10000000; + else + pck_max = ctx->req_pck_max; + + return dispc_div_calc(dispc, ctx->req_pck_min, pck_max, + dsi_vm_calc_dispc_cb, ctx); +} + +static bool dsi_vm_calc_pll_cb(int regn, int regm, unsigned long fint, + unsigned long pll, void *data) +{ + struct dsi_clk_calc_ctx *ctx = data; + + ctx->dsi_cinfo.regn = regn; + ctx->dsi_cinfo.regm = regm; + ctx->dsi_cinfo.fint = fint; + ctx->dsi_cinfo.clkin4ddr = pll; + + return dsi_hsdiv_calc(ctx->dsidev, pll, ctx->req_pck_min, + dsi_vm_calc_hsdiv_cb, ctx); +} + +static bool dsi_vm_calc(struct dsi_data *dsi, + const struct omap_dss_dsi_config *cfg, + struct dsi_clk_calc_ctx *ctx) +{ + const struct omap_video_timings *t = cfg->timings; + unsigned long clkin; + unsigned long pll_min; + unsigned long pll_max; + int ndl = dsi->num_lanes_used - 1; + int bitspp = dsi_get_pixel_size(cfg->pixel_format); + unsigned long byteclk_min; + + clkin = clk_get_rate(dsi->sys_clk); + + memset(ctx, 0, sizeof(*ctx)); + ctx->dsidev = dsi->pdev; + ctx->config = cfg; + + ctx->dsi_cinfo.clkin = clkin; + + /* these limits should come from the panel driver */ + ctx->req_pck_min = t->pixel_clock * 1000 - 1000; + ctx->req_pck_nom = t->pixel_clock * 1000; + ctx->req_pck_max = t->pixel_clock * 1000 + 1000; + + byteclk_min = div64_u64((u64)ctx->req_pck_min * bitspp, ndl * 8); + pll_min = max(cfg->hs_clk_min * 4, byteclk_min * 4 * 4); + + if (cfg->trans_mode == OMAP_DSS_DSI_BURST_MODE) { + pll_max = cfg->hs_clk_max * 4; + } else { + unsigned long byteclk_max; + byteclk_max = div64_u64((u64)ctx->req_pck_max * bitspp, + ndl * 8); + + pll_max = byteclk_max * 4 * 4; + } + + return dsi_pll_calc(dsi->pdev, clkin, + pll_min, pll_max, + dsi_vm_calc_pll_cb, ctx); +} + +int omapdss_dsi_set_config(struct omap_dss_device *dssdev, + const struct omap_dss_dsi_config *config) { struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); + struct dsi_clk_calc_ctx ctx; + bool ok; + int r; mutex_lock(&dsi->lock); - dsi->vm_timings = *timings; + dsi->pix_fmt = config->pixel_format; + dsi->mode = config->mode; + + if (config->mode == OMAP_DSS_DSI_VIDEO_MODE) + ok = dsi_vm_calc(dsi, config, &ctx); + else + ok = dsi_cm_calc(dsi, config, &ctx); + + if (!ok) { + DSSERR("failed to find suitable DSI clock settings\n"); + r = -EINVAL; + goto err; + } + + dsi_pll_calc_dsi_fck(&ctx.dsi_cinfo); + + r = dsi_lp_clock_calc(&ctx.dsi_cinfo, config->lp_clk_min, + config->lp_clk_max); + if (r) { + DSSERR("failed to find suitable DSI LP clock settings\n"); + goto err; + } + + dsi->user_dsi_cinfo = ctx.dsi_cinfo; + dsi->user_dispc_cinfo = ctx.dispc_cinfo; + + dsi->timings = ctx.dispc_vm; + dsi->vm_timings = ctx.dsi_vm; mutex_unlock(&dsi->lock); + + return 0; +err: + mutex_unlock(&dsi->lock); + + return r; } -EXPORT_SYMBOL(omapdss_dsi_set_videomode_timings); +EXPORT_SYMBOL(omapdss_dsi_set_config); + +/* + * Return a hardcoded channel for the DSI output. This should work for + * current use cases, but this can be later expanded to either resolve + * the channel in some more dynamic manner, or get the channel as a user + * parameter. + */ +static enum omap_channel dsi_get_channel(int module_id) +{ + switch (omapdss_get_version()) { + case OMAPDSS_VER_OMAP24xx: + DSSWARN("DSI not supported\n"); + return OMAP_DSS_CHANNEL_LCD; + + case OMAPDSS_VER_OMAP34xx_ES1: + case OMAPDSS_VER_OMAP34xx_ES3: + case OMAPDSS_VER_OMAP3630: + case OMAPDSS_VER_AM35xx: + return OMAP_DSS_CHANNEL_LCD; + + case OMAPDSS_VER_OMAP4430_ES1: + case OMAPDSS_VER_OMAP4430_ES2: + case OMAPDSS_VER_OMAP4: + switch (module_id) { + case 0: + return OMAP_DSS_CHANNEL_LCD; + case 1: + return OMAP_DSS_CHANNEL_LCD2; + default: + DSSWARN("unsupported module id\n"); + return OMAP_DSS_CHANNEL_LCD; + } + + case OMAPDSS_VER_OMAP5: + switch (module_id) { + case 0: + return OMAP_DSS_CHANNEL_LCD; + case 1: + return OMAP_DSS_CHANNEL_LCD3; + default: + DSSWARN("unsupported module id\n"); + return OMAP_DSS_CHANNEL_LCD; + } -static int __init dsi_init_display(struct omap_dss_device *dssdev) + default: + DSSWARN("unsupported DSS version\n"); + return OMAP_DSS_CHANNEL_LCD; + } +} + +static int dsi_init_display(struct omap_dss_device *dssdev) { struct platform_device *dsidev = dsi_get_dsidev_from_id(dssdev->phy.dsi.module); @@ -5073,7 +5347,7 @@ static int dsi_get_clocks(struct platform_device *dsidev) struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); struct clk *clk; - clk = clk_get(&dsidev->dev, "fck"); + clk = devm_clk_get(&dsidev->dev, "fck"); if (IS_ERR(clk)) { DSSERR("can't get fck\n"); return PTR_ERR(clk); @@ -5081,11 +5355,9 @@ static int dsi_get_clocks(struct platform_device *dsidev) dsi->dss_clk = clk; - clk = clk_get(&dsidev->dev, "sys_clk"); + clk = devm_clk_get(&dsidev->dev, "sys_clk"); if (IS_ERR(clk)) { DSSERR("can't get sys_clk\n"); - clk_put(dsi->dss_clk); - dsi->dss_clk = NULL; return PTR_ERR(clk); } @@ -5094,17 +5366,7 @@ static int dsi_get_clocks(struct platform_device *dsidev) return 0; } -static void dsi_put_clocks(struct platform_device *dsidev) -{ - struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); - - if (dsi->dss_clk) - clk_put(dsi->dss_clk); - if (dsi->sys_clk) - clk_put(dsi->sys_clk); -} - -static struct omap_dss_device * __init dsi_find_dssdev(struct platform_device *pdev) +static struct omap_dss_device *dsi_find_dssdev(struct platform_device *pdev) { struct omap_dss_board_info *pdata = pdev->dev.platform_data; struct dsi_data *dsi = dsi_get_dsidrv_data(pdev); @@ -5136,7 +5398,7 @@ static struct omap_dss_device * __init dsi_find_dssdev(struct platform_device *p return def_dssdev; } -static void __init dsi_probe_pdata(struct platform_device *dsidev) +static int dsi_probe_pdata(struct platform_device *dsidev) { struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); struct omap_dss_device *plat_dssdev; @@ -5146,11 +5408,11 @@ static void __init dsi_probe_pdata(struct platform_device *dsidev) plat_dssdev = dsi_find_dssdev(dsidev); if (!plat_dssdev) - return; + return 0; dssdev = dss_alloc_and_init_device(&dsidev->dev); if (!dssdev) - return; + return -ENOMEM; dss_copy_device_pdata(dssdev, plat_dssdev); @@ -5158,7 +5420,7 @@ static void __init dsi_probe_pdata(struct platform_device *dsidev) if (r) { DSSERR("device %s init failed: %d\n", dssdev->name, r); dss_put_device(dssdev); - return; + return r; } r = omapdss_output_set_device(&dsi->output, dssdev); @@ -5166,7 +5428,7 @@ static void __init dsi_probe_pdata(struct platform_device *dsidev) DSSERR("failed to connect output to new device: %s\n", dssdev->name); dss_put_device(dssdev); - return; + return r; } r = dss_add_device(dssdev); @@ -5174,11 +5436,13 @@ static void __init dsi_probe_pdata(struct platform_device *dsidev) DSSERR("device %s register failed: %d\n", dssdev->name, r); omapdss_output_unset_device(&dsi->output); dss_put_device(dssdev); - return; + return r; } + + return 0; } -static void __init dsi_init_output(struct platform_device *dsidev) +static void dsi_init_output(struct platform_device *dsidev) { struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); struct omap_dss_output *out = &dsi->output; @@ -5188,11 +5452,13 @@ static void __init dsi_init_output(struct platform_device *dsidev) OMAP_DSS_OUTPUT_DSI1 : OMAP_DSS_OUTPUT_DSI2; out->type = OMAP_DISPLAY_TYPE_DSI; + out->name = dsi->module_id == 0 ? "dsi.0" : "dsi.1"; + out->dispc_channel = dsi_get_channel(dsi->module_id); dss_register_output(out); } -static void __exit dsi_uninit_output(struct platform_device *dsidev) +static void dsi_uninit_output(struct platform_device *dsidev) { struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); struct omap_dss_output *out = &dsi->output; @@ -5201,7 +5467,7 @@ static void __exit dsi_uninit_output(struct platform_device *dsidev) } /* DSI1 HW IP initialisation */ -static int __init omap_dsihw_probe(struct platform_device *dsidev) +static int omap_dsihw_probe(struct platform_device *dsidev) { u32 rev; int r, i; @@ -5293,9 +5559,17 @@ static int __init omap_dsihw_probe(struct platform_device *dsidev) else dsi->num_lanes_supported = 3; + dsi->line_buffer_size = dsi_get_line_buf_size(dsidev); + dsi_init_output(dsidev); - dsi_probe_pdata(dsidev); + r = dsi_probe_pdata(dsidev); + if (r) { + dsi_runtime_put(dsidev); + dsi_uninit_output(dsidev); + pm_runtime_disable(&dsidev->dev); + return r; + } dsi_runtime_put(dsidev); @@ -5314,7 +5588,6 @@ static int __init omap_dsihw_probe(struct platform_device *dsidev) err_runtime_get: pm_runtime_disable(&dsidev->dev); - dsi_put_clocks(dsidev); return r; } @@ -5330,8 +5603,6 @@ static int __exit omap_dsihw_remove(struct platform_device *dsidev) pm_runtime_disable(&dsidev->dev); - dsi_put_clocks(dsidev); - if (dsi->vdds_dsi_reg != NULL) { if (dsi->vdds_dsi_enabled) { regulator_disable(dsi->vdds_dsi_reg); @@ -5369,6 +5640,7 @@ static const struct dev_pm_ops dsi_pm_ops = { }; static struct platform_driver omap_dsihw_driver = { + .probe = omap_dsihw_probe, .remove = __exit_p(omap_dsihw_remove), .driver = { .name = "omapdss_dsi", @@ -5379,7 +5651,7 @@ static struct platform_driver omap_dsihw_driver = { int __init dsi_init_platform_driver(void) { - return platform_driver_probe(&omap_dsihw_driver, omap_dsihw_probe); + return platform_driver_register(&omap_dsihw_driver); } void __exit dsi_uninit_platform_driver(void) diff --git a/drivers/video/omap2/dss/dss.c b/drivers/video/omap2/dss/dss.c index 054c2a22b3f..94f66f9f10a 100644 --- a/drivers/video/omap2/dss/dss.c +++ b/drivers/video/omap2/dss/dss.c @@ -473,6 +473,47 @@ int dss_calc_clock_rates(struct dss_clock_info *cinfo) return 0; } +bool dss_div_calc(unsigned long fck_min, dss_div_calc_func func, void *data) +{ + int fckd, fckd_start, fckd_stop; + unsigned long fck; + unsigned long fck_hw_max; + unsigned long fckd_hw_max; + unsigned long prate; + unsigned m; + + if (dss.dpll4_m4_ck == NULL) { + /* + * TODO: dss1_fclk can be changed on OMAP2, but the available + * dividers are not continuous. We just use the pre-set rate for + * now. + */ + fck = clk_get_rate(dss.dss_clk); + fckd = 1; + return func(fckd, fck, data); + } + + fck_hw_max = dss_feat_get_param_max(FEAT_PARAM_DSS_FCK); + fckd_hw_max = dss.feat->fck_div_max; + + m = dss.feat->dss_fck_multiplier; + prate = dss_get_dpll4_rate(); + + fck_min = fck_min ? fck_min : 1; + + fckd_start = min(prate * m / fck_min, fckd_hw_max); + fckd_stop = max(DIV_ROUND_UP(prate * m, fck_hw_max), 1ul); + + for (fckd = fckd_start; fckd >= fckd_stop; --fckd) { + fck = prate / fckd * m; + + if (func(fckd, fck, data)) + return true; + } + + return false; +} + int dss_set_clock_div(struct dss_clock_info *cinfo) { if (dss.dpll4_m4_ck) { @@ -482,7 +523,8 @@ int dss_set_clock_div(struct dss_clock_info *cinfo) prate = clk_get_rate(clk_get_parent(dss.dpll4_m4_ck)); DSSDBG("dpll4_m4 = %ld\n", prate); - r = clk_set_rate(dss.dpll4_m4_ck, prate / cinfo->fck_div); + r = clk_set_rate(dss.dpll4_m4_ck, + DIV_ROUND_UP(prate, cinfo->fck_div)); if (r) return r; } else { @@ -492,7 +534,9 @@ int dss_set_clock_div(struct dss_clock_info *cinfo) dss.dss_clk_rate = clk_get_rate(dss.dss_clk); - WARN_ONCE(dss.dss_clk_rate != cinfo->fck, "clk rate mismatch"); + WARN_ONCE(dss.dss_clk_rate != cinfo->fck, + "clk rate mismatch: %lu != %lu", dss.dss_clk_rate, + cinfo->fck); DSSDBG("fck = %ld (%d)\n", cinfo->fck, cinfo->fck_div); @@ -542,121 +586,6 @@ static int dss_setup_default_clock(void) return 0; } -int dss_calc_clock_div(unsigned long req_pck, struct dss_clock_info *dss_cinfo, - struct dispc_clock_info *dispc_cinfo) -{ - unsigned long prate; - struct dss_clock_info best_dss; - struct dispc_clock_info best_dispc; - - unsigned long fck, max_dss_fck; - - u16 fck_div; - - int match = 0; - int min_fck_per_pck; - - prate = dss_get_dpll4_rate(); - - max_dss_fck = dss_feat_get_param_max(FEAT_PARAM_DSS_FCK); - - fck = clk_get_rate(dss.dss_clk); - if (req_pck == dss.cache_req_pck && prate == dss.cache_prate && - dss.cache_dss_cinfo.fck == fck) { - DSSDBG("dispc clock info found from cache.\n"); - *dss_cinfo = dss.cache_dss_cinfo; - *dispc_cinfo = dss.cache_dispc_cinfo; - return 0; - } - - min_fck_per_pck = CONFIG_OMAP2_DSS_MIN_FCK_PER_PCK; - - if (min_fck_per_pck && - req_pck * min_fck_per_pck > max_dss_fck) { - DSSERR("Requested pixel clock not possible with the current " - "OMAP2_DSS_MIN_FCK_PER_PCK setting. Turning " - "the constraint off.\n"); - min_fck_per_pck = 0; - } - -retry: - memset(&best_dss, 0, sizeof(best_dss)); - memset(&best_dispc, 0, sizeof(best_dispc)); - - if (dss.dpll4_m4_ck == NULL) { - struct dispc_clock_info cur_dispc; - /* XXX can we change the clock on omap2? */ - fck = clk_get_rate(dss.dss_clk); - fck_div = 1; - - dispc_find_clk_divs(req_pck, fck, &cur_dispc); - match = 1; - - best_dss.fck = fck; - best_dss.fck_div = fck_div; - - best_dispc = cur_dispc; - - goto found; - } else { - for (fck_div = dss.feat->fck_div_max; fck_div > 0; --fck_div) { - struct dispc_clock_info cur_dispc; - - fck = prate / fck_div * dss.feat->dss_fck_multiplier; - - if (fck > max_dss_fck) - continue; - - if (min_fck_per_pck && - fck < req_pck * min_fck_per_pck) - continue; - - match = 1; - - dispc_find_clk_divs(req_pck, fck, &cur_dispc); - - if (abs(cur_dispc.pck - req_pck) < - abs(best_dispc.pck - req_pck)) { - - best_dss.fck = fck; - best_dss.fck_div = fck_div; - - best_dispc = cur_dispc; - - if (cur_dispc.pck == req_pck) - goto found; - } - } - } - -found: - if (!match) { - if (min_fck_per_pck) { - DSSERR("Could not find suitable clock settings.\n" - "Turning FCK/PCK constraint off and" - "trying again.\n"); - min_fck_per_pck = 0; - goto retry; - } - - DSSERR("Could not find suitable clock settings.\n"); - - return -EINVAL; - } - - if (dss_cinfo) - *dss_cinfo = best_dss; - if (dispc_cinfo) - *dispc_cinfo = best_dispc; - - dss.cache_req_pck = req_pck; - dss.cache_prate = prate; - dss.cache_dss_cinfo = best_dss; - dss.cache_dispc_cinfo = best_dispc; - - return 0; -} - void dss_set_venc_output(enum omap_dss_venc_type type) { int l = 0; @@ -767,13 +696,11 @@ int dss_dpi_select_source(enum omap_channel channel) static int dss_get_clocks(void) { struct clk *clk; - int r; - clk = clk_get(&dss.pdev->dev, "fck"); + clk = devm_clk_get(&dss.pdev->dev, "fck"); if (IS_ERR(clk)) { DSSERR("can't get clock fck\n"); - r = PTR_ERR(clk); - goto err; + return PTR_ERR(clk); } dss.dss_clk = clk; @@ -782,8 +709,7 @@ static int dss_get_clocks(void) clk = clk_get(NULL, dss.feat->clk_name); if (IS_ERR(clk)) { DSSERR("Failed to get %s\n", dss.feat->clk_name); - r = PTR_ERR(clk); - goto err; + return PTR_ERR(clk); } } else { clk = NULL; @@ -792,21 +718,12 @@ static int dss_get_clocks(void) dss.dpll4_m4_ck = clk; return 0; - -err: - if (dss.dss_clk) - clk_put(dss.dss_clk); - if (dss.dpll4_m4_ck) - clk_put(dss.dpll4_m4_ck); - - return r; } static void dss_put_clocks(void) { if (dss.dpll4_m4_ck) clk_put(dss.dpll4_m4_ck); - clk_put(dss.dss_clk); } static int dss_runtime_get(void) diff --git a/drivers/video/omap2/dss/dss.h b/drivers/video/omap2/dss/dss.h index 610c8e563da..84758936429 100644 --- a/drivers/video/omap2/dss/dss.h +++ b/drivers/video/omap2/dss/dss.h @@ -268,14 +268,21 @@ void dss_set_dac_pwrdn_bgz(bool enable); unsigned long dss_get_dpll4_rate(void); int dss_calc_clock_rates(struct dss_clock_info *cinfo); int dss_set_clock_div(struct dss_clock_info *cinfo); -int dss_calc_clock_div(unsigned long req_pck, struct dss_clock_info *dss_cinfo, - struct dispc_clock_info *dispc_cinfo); + +typedef bool (*dss_div_calc_func)(int fckd, unsigned long fck, void *data); +bool dss_div_calc(unsigned long fck_min, dss_div_calc_func func, void *data); /* SDI */ int sdi_init_platform_driver(void) __init; void sdi_uninit_platform_driver(void) __exit; /* DSI */ + +typedef bool (*dsi_pll_calc_func)(int regn, int regm, unsigned long fint, + unsigned long pll, void *data); +typedef bool (*dsi_hsdiv_calc_func)(int regm_dispc, unsigned long dispc, + void *data); + #ifdef CONFIG_OMAP2_DSS_DSI struct dentry; @@ -292,12 +299,17 @@ void dsi_dump_clocks(struct seq_file *s); void dsi_irq_handler(void); u8 dsi_get_pixel_size(enum omap_dss_dsi_pixel_format fmt); +unsigned long dsi_get_pll_clkin(struct platform_device *dsidev); + +bool dsi_hsdiv_calc(struct platform_device *dsidev, unsigned long pll, + unsigned long out_min, dsi_hsdiv_calc_func func, void *data); +bool dsi_pll_calc(struct platform_device *dsidev, unsigned long clkin, + unsigned long pll_min, unsigned long pll_max, + dsi_pll_calc_func func, void *data); + unsigned long dsi_get_pll_hsdiv_dispc_rate(struct platform_device *dsidev); int dsi_pll_set_clock_div(struct platform_device *dsidev, struct dsi_clock_info *cinfo); -int dsi_pll_calc_clock_div_pck(struct platform_device *dsidev, - unsigned long req_pck, struct dsi_clock_info *cinfo, - struct dispc_clock_info *dispc_cinfo); int dsi_pll_init(struct platform_device *dsidev, bool enable_hsclk, bool enable_hsdiv); void dsi_pll_uninit(struct platform_device *dsidev, bool disconnect_lanes); @@ -328,14 +340,6 @@ static inline int dsi_pll_set_clock_div(struct platform_device *dsidev, WARN("%s: DSI not compiled in\n", __func__); return -ENODEV; } -static inline int dsi_pll_calc_clock_div_pck(struct platform_device *dsidev, - unsigned long req_pck, - struct dsi_clock_info *dsi_cinfo, - struct dispc_clock_info *dispc_cinfo) -{ - WARN("%s: DSI not compiled in\n", __func__); - return -ENODEV; -} static inline int dsi_pll_init(struct platform_device *dsidev, bool enable_hsclk, bool enable_hsdiv) { @@ -356,6 +360,27 @@ static inline struct platform_device *dsi_get_dsidev_from_id(int module) { return NULL; } + +static inline unsigned long dsi_get_pll_clkin(struct platform_device *dsidev) +{ + return 0; +} + +static inline bool dsi_hsdiv_calc(struct platform_device *dsidev, + unsigned long pll, unsigned long out_min, + dsi_hsdiv_calc_func func, void *data) +{ + return false; +} + +static inline bool dsi_pll_calc(struct platform_device *dsidev, + unsigned long clkin, + unsigned long pll_min, unsigned long pll_max, + dsi_pll_calc_func func, void *data) +{ + return false; +} + #endif /* DPI */ @@ -376,11 +401,15 @@ void dispc_enable_fifomerge(bool enable); void dispc_enable_gamma_table(bool enable); void dispc_set_loadmode(enum omap_dss_load_mode mode); +typedef bool (*dispc_div_calc_func)(int lckd, int pckd, unsigned long lck, + unsigned long pck, void *data); +bool dispc_div_calc(unsigned long dispc, + unsigned long pck_min, unsigned long pck_max, + dispc_div_calc_func func, void *data); + bool dispc_mgr_timings_ok(enum omap_channel channel, const struct omap_video_timings *timings); unsigned long dispc_fclk_rate(void); -void dispc_find_clk_divs(unsigned long req_pck, unsigned long fck, - struct dispc_clock_info *cinfo); int dispc_calc_clock_rates(unsigned long dispc_fclk_rate, struct dispc_clock_info *cinfo); diff --git a/drivers/video/omap2/dss/dss_features.c b/drivers/video/omap2/dss/dss_features.c index d7d66ef5cb5..77dbe0cfb34 100644 --- a/drivers/video/omap2/dss/dss_features.c +++ b/drivers/video/omap2/dss/dss_features.c @@ -202,12 +202,10 @@ static const enum omap_dss_output_id omap3630_dss_supported_outputs[] = { static const enum omap_dss_output_id omap4_dss_supported_outputs[] = { /* OMAP_DSS_CHANNEL_LCD */ - OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI | - OMAP_DSS_OUTPUT_DSI1, + OMAP_DSS_OUTPUT_DBI | OMAP_DSS_OUTPUT_DSI1, /* OMAP_DSS_CHANNEL_DIGIT */ - OMAP_DSS_OUTPUT_VENC | OMAP_DSS_OUTPUT_HDMI | - OMAP_DSS_OUTPUT_DPI, + OMAP_DSS_OUTPUT_VENC | OMAP_DSS_OUTPUT_HDMI, /* OMAP_DSS_CHANNEL_LCD2 */ OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI | @@ -416,7 +414,7 @@ static const char * const omap5_dss_clk_source_names[] = { }; static const struct dss_param_range omap2_dss_param_range[] = { - [FEAT_PARAM_DSS_FCK] = { 0, 173000000 }, + [FEAT_PARAM_DSS_FCK] = { 0, 133000000 }, [FEAT_PARAM_DSS_PCD] = { 2, 255 }, [FEAT_PARAM_DSIPLL_REGN] = { 0, 0 }, [FEAT_PARAM_DSIPLL_REGM] = { 0, 0 }, @@ -461,15 +459,15 @@ static const struct dss_param_range omap4_dss_param_range[] = { }; static const struct dss_param_range omap5_dss_param_range[] = { - [FEAT_PARAM_DSS_FCK] = { 0, 200000000 }, + [FEAT_PARAM_DSS_FCK] = { 0, 209250000 }, [FEAT_PARAM_DSS_PCD] = { 1, 255 }, [FEAT_PARAM_DSIPLL_REGN] = { 0, (1 << 8) - 1 }, [FEAT_PARAM_DSIPLL_REGM] = { 0, (1 << 12) - 1 }, [FEAT_PARAM_DSIPLL_REGM_DISPC] = { 0, (1 << 5) - 1 }, [FEAT_PARAM_DSIPLL_REGM_DSI] = { 0, (1 << 5) - 1 }, - [FEAT_PARAM_DSIPLL_FINT] = { 500000, 2500000 }, + [FEAT_PARAM_DSIPLL_FINT] = { 150000, 52000000 }, [FEAT_PARAM_DSIPLL_LPDIV] = { 0, (1 << 13) - 1 }, - [FEAT_PARAM_DSI_FCK] = { 0, 170000000 }, + [FEAT_PARAM_DSI_FCK] = { 0, 209250000 }, [FEAT_PARAM_DOWNSCALE] = { 1, 4 }, [FEAT_PARAM_LINEWIDTH] = { 1, 2048 }, }; diff --git a/drivers/video/omap2/dss/hdmi.c b/drivers/video/omap2/dss/hdmi.c index 72923645dcc..17f4d55c621 100644 --- a/drivers/video/omap2/dss/hdmi.c +++ b/drivers/video/omap2/dss/hdmi.c @@ -328,7 +328,7 @@ static void hdmi_runtime_put(void) WARN_ON(r < 0 && r != -ENOSYS); } -static int __init hdmi_init_display(struct omap_dss_device *dssdev) +static int hdmi_init_display(struct omap_dss_device *dssdev) { int r; @@ -472,17 +472,12 @@ static void hdmi_compute_pll(struct omap_dss_device *dssdev, int phy, * Input clock is predivided by N + 1 * out put of which is reference clk */ - if (dssdev->clocks.hdmi.regn == 0) - pi->regn = HDMI_DEFAULT_REGN; - else - pi->regn = dssdev->clocks.hdmi.regn; + + pi->regn = HDMI_DEFAULT_REGN; refclk = clkin / pi->regn; - if (dssdev->clocks.hdmi.regm2 == 0) - pi->regm2 = HDMI_DEFAULT_REGM2; - else - pi->regm2 = dssdev->clocks.hdmi.regm2; + pi->regm2 = HDMI_DEFAULT_REGM2; /* * multiplier is pixel_clk/ref_clk @@ -804,7 +799,7 @@ static int hdmi_get_clocks(struct platform_device *pdev) { struct clk *clk; - clk = clk_get(&pdev->dev, "sys_clk"); + clk = devm_clk_get(&pdev->dev, "sys_clk"); if (IS_ERR(clk)) { DSSERR("can't get sys_clk\n"); return PTR_ERR(clk); @@ -815,12 +810,6 @@ static int hdmi_get_clocks(struct platform_device *pdev) return 0; } -static void hdmi_put_clocks(void) -{ - if (hdmi.sys_clk) - clk_put(hdmi.sys_clk); -} - #if defined(CONFIG_OMAP4_DSS_HDMI_AUDIO) int hdmi_compute_acr(u32 sample_freq, u32 *n, u32 *cts) { @@ -965,7 +954,7 @@ int hdmi_audio_config(struct omap_dss_audio *audio) #endif -static struct omap_dss_device * __init hdmi_find_dssdev(struct platform_device *pdev) +static struct omap_dss_device *hdmi_find_dssdev(struct platform_device *pdev) { struct omap_dss_board_info *pdata = pdev->dev.platform_data; const char *def_disp_name = omapdss_get_default_display_name(); @@ -993,7 +982,7 @@ static struct omap_dss_device * __init hdmi_find_dssdev(struct platform_device * return def_dssdev; } -static void __init hdmi_probe_pdata(struct platform_device *pdev) +static int hdmi_probe_pdata(struct platform_device *pdev) { struct omap_dss_device *plat_dssdev; struct omap_dss_device *dssdev; @@ -1003,11 +992,11 @@ static void __init hdmi_probe_pdata(struct platform_device *pdev) plat_dssdev = hdmi_find_dssdev(pdev); if (!plat_dssdev) - return; + return 0; dssdev = dss_alloc_and_init_device(&pdev->dev); if (!dssdev) - return; + return -ENOMEM; dss_copy_device_pdata(dssdev, plat_dssdev); @@ -1017,13 +1006,11 @@ static void __init hdmi_probe_pdata(struct platform_device *pdev) hdmi.ls_oe_gpio = priv->ls_oe_gpio; hdmi.hpd_gpio = priv->hpd_gpio; - dssdev->channel = OMAP_DSS_CHANNEL_DIGIT; - r = hdmi_init_display(dssdev); if (r) { DSSERR("device %s init failed: %d\n", dssdev->name, r); dss_put_device(dssdev); - return; + return r; } r = omapdss_output_set_device(&hdmi.output, dssdev); @@ -1031,7 +1018,7 @@ static void __init hdmi_probe_pdata(struct platform_device *pdev) DSSERR("failed to connect output to new device: %s\n", dssdev->name); dss_put_device(dssdev); - return; + return r; } r = dss_add_device(dssdev); @@ -1040,17 +1027,21 @@ static void __init hdmi_probe_pdata(struct platform_device *pdev) omapdss_output_unset_device(&hdmi.output); hdmi_uninit_display(dssdev); dss_put_device(dssdev); - return; + return r; } + + return 0; } -static void __init hdmi_init_output(struct platform_device *pdev) +static void hdmi_init_output(struct platform_device *pdev) { struct omap_dss_output *out = &hdmi.output; out->pdev = pdev; out->id = OMAP_DSS_OUTPUT_HDMI; out->type = OMAP_DISPLAY_TYPE_HDMI; + out->name = "hdmi.0"; + out->dispc_channel = OMAP_DSS_CHANNEL_DIGIT; dss_register_output(out); } @@ -1063,7 +1054,7 @@ static void __exit hdmi_uninit_output(struct platform_device *pdev) } /* HDMI HW IP initialisation */ -static int __init omapdss_hdmihw_probe(struct platform_device *pdev) +static int omapdss_hdmihw_probe(struct platform_device *pdev) { struct resource *res; int r; @@ -1097,23 +1088,25 @@ static int __init omapdss_hdmihw_probe(struct platform_device *pdev) hdmi.ip_data.pll_offset = HDMI_PLLCTRL; hdmi.ip_data.phy_offset = HDMI_PHY; + hdmi_init_output(pdev); + r = hdmi_panel_init(); if (r) { DSSERR("can't init panel\n"); - goto err_panel_init; + return r; } dss_debugfs_create_file("hdmi", hdmi_dump_regs); - hdmi_init_output(pdev); - - hdmi_probe_pdata(pdev); + r = hdmi_probe_pdata(pdev); + if (r) { + hdmi_panel_exit(); + hdmi_uninit_output(pdev); + pm_runtime_disable(&pdev->dev); + return r; + } return 0; - -err_panel_init: - hdmi_put_clocks(); - return r; } static int __exit hdmi_remove_child(struct device *dev, void *data) @@ -1135,8 +1128,6 @@ static int __exit omapdss_hdmihw_remove(struct platform_device *pdev) pm_runtime_disable(&pdev->dev); - hdmi_put_clocks(); - return 0; } @@ -1168,6 +1159,7 @@ static const struct dev_pm_ops hdmi_pm_ops = { }; static struct platform_driver omapdss_hdmihw_driver = { + .probe = omapdss_hdmihw_probe, .remove = __exit_p(omapdss_hdmihw_remove), .driver = { .name = "omapdss_hdmi", @@ -1178,7 +1170,7 @@ static struct platform_driver omapdss_hdmihw_driver = { int __init hdmi_init_platform_driver(void) { - return platform_driver_probe(&omapdss_hdmihw_driver, omapdss_hdmihw_probe); + return platform_driver_register(&omapdss_hdmihw_driver); } void __exit hdmi_uninit_platform_driver(void) diff --git a/drivers/video/omap2/dss/output.c b/drivers/video/omap2/dss/output.c index 79dea1a1a73..5214df63e0a 100644 --- a/drivers/video/omap2/dss/output.c +++ b/drivers/video/omap2/dss/output.c @@ -113,6 +113,7 @@ struct omap_dss_output *omap_dss_get_output(enum omap_dss_output_id id) return NULL; } +EXPORT_SYMBOL(omap_dss_get_output); static const struct dss_mgr_ops *dss_mgr_ops; diff --git a/drivers/video/omap2/dss/rfbi.c b/drivers/video/omap2/dss/rfbi.c index e903dd3f54d..1a17dd1447d 100644 --- a/drivers/video/omap2/dss/rfbi.c +++ b/drivers/video/omap2/dss/rfbi.c @@ -943,13 +943,13 @@ void omapdss_rfbi_display_disable(struct omap_dss_device *dssdev) } EXPORT_SYMBOL(omapdss_rfbi_display_disable); -static int __init rfbi_init_display(struct omap_dss_device *dssdev) +static int rfbi_init_display(struct omap_dss_device *dssdev) { rfbi.dssdev[dssdev->phy.rfbi.channel] = dssdev; return 0; } -static struct omap_dss_device * __init rfbi_find_dssdev(struct platform_device *pdev) +static struct omap_dss_device *rfbi_find_dssdev(struct platform_device *pdev) { struct omap_dss_board_info *pdata = pdev->dev.platform_data; const char *def_disp_name = omapdss_get_default_display_name(); @@ -977,7 +977,7 @@ static struct omap_dss_device * __init rfbi_find_dssdev(struct platform_device * return def_dssdev; } -static void __init rfbi_probe_pdata(struct platform_device *rfbidev) +static int rfbi_probe_pdata(struct platform_device *rfbidev) { struct omap_dss_device *plat_dssdev; struct omap_dss_device *dssdev; @@ -986,11 +986,11 @@ static void __init rfbi_probe_pdata(struct platform_device *rfbidev) plat_dssdev = rfbi_find_dssdev(rfbidev); if (!plat_dssdev) - return; + return 0; dssdev = dss_alloc_and_init_device(&rfbidev->dev); if (!dssdev) - return; + return -ENOMEM; dss_copy_device_pdata(dssdev, plat_dssdev); @@ -998,7 +998,7 @@ static void __init rfbi_probe_pdata(struct platform_device *rfbidev) if (r) { DSSERR("device %s init failed: %d\n", dssdev->name, r); dss_put_device(dssdev); - return; + return r; } r = omapdss_output_set_device(&rfbi.output, dssdev); @@ -1006,7 +1006,7 @@ static void __init rfbi_probe_pdata(struct platform_device *rfbidev) DSSERR("failed to connect output to new device: %s\n", dssdev->name); dss_put_device(dssdev); - return; + return r; } r = dss_add_device(dssdev); @@ -1014,17 +1014,21 @@ static void __init rfbi_probe_pdata(struct platform_device *rfbidev) DSSERR("device %s register failed: %d\n", dssdev->name, r); omapdss_output_unset_device(&rfbi.output); dss_put_device(dssdev); - return; + return r; } + + return 0; } -static void __init rfbi_init_output(struct platform_device *pdev) +static void rfbi_init_output(struct platform_device *pdev) { struct omap_dss_output *out = &rfbi.output; out->pdev = pdev; out->id = OMAP_DSS_OUTPUT_DBI; out->type = OMAP_DISPLAY_TYPE_DBI; + out->name = "rfbi.0"; + out->dispc_channel = OMAP_DSS_CHANNEL_LCD; dss_register_output(out); } @@ -1037,7 +1041,7 @@ static void __exit rfbi_uninit_output(struct platform_device *pdev) } /* RFBI HW IP initialisation */ -static int __init omap_rfbihw_probe(struct platform_device *pdev) +static int omap_rfbihw_probe(struct platform_device *pdev) { u32 rev; struct resource *rfbi_mem; @@ -1089,7 +1093,12 @@ static int __init omap_rfbihw_probe(struct platform_device *pdev) rfbi_init_output(pdev); - rfbi_probe_pdata(pdev); + r = rfbi_probe_pdata(pdev); + if (r) { + rfbi_uninit_output(pdev); + pm_runtime_disable(&pdev->dev); + return r; + } return 0; @@ -1133,6 +1142,7 @@ static const struct dev_pm_ops rfbi_pm_ops = { }; static struct platform_driver omap_rfbihw_driver = { + .probe = omap_rfbihw_probe, .remove = __exit_p(omap_rfbihw_remove), .driver = { .name = "omapdss_rfbi", @@ -1143,7 +1153,7 @@ static struct platform_driver omap_rfbihw_driver = { int __init rfbi_init_platform_driver(void) { - return platform_driver_probe(&omap_rfbihw_driver, omap_rfbihw_probe); + return platform_driver_register(&omap_rfbihw_driver); } void __exit rfbi_uninit_platform_driver(void) diff --git a/drivers/video/omap2/dss/sdi.c b/drivers/video/omap2/dss/sdi.c index 62b5374ce43..0bcd30272f6 100644 --- a/drivers/video/omap2/dss/sdi.c +++ b/drivers/video/omap2/dss/sdi.c @@ -41,6 +41,72 @@ static struct { struct omap_dss_output output; } sdi; +struct sdi_clk_calc_ctx { + unsigned long pck_min, pck_max; + + struct dss_clock_info dss_cinfo; + struct dispc_clock_info dispc_cinfo; +}; + +static bool dpi_calc_dispc_cb(int lckd, int pckd, unsigned long lck, + unsigned long pck, void *data) +{ + struct sdi_clk_calc_ctx *ctx = data; + + ctx->dispc_cinfo.lck_div = lckd; + ctx->dispc_cinfo.pck_div = pckd; + ctx->dispc_cinfo.lck = lck; + ctx->dispc_cinfo.pck = pck; + + return true; +} + +static bool dpi_calc_dss_cb(int fckd, unsigned long fck, void *data) +{ + struct sdi_clk_calc_ctx *ctx = data; + + ctx->dss_cinfo.fck = fck; + ctx->dss_cinfo.fck_div = fckd; + + return dispc_div_calc(fck, ctx->pck_min, ctx->pck_max, + dpi_calc_dispc_cb, ctx); +} + +static int sdi_calc_clock_div(unsigned long pclk, + struct dss_clock_info *dss_cinfo, + struct dispc_clock_info *dispc_cinfo) +{ + int i; + struct sdi_clk_calc_ctx ctx; + + /* + * DSS fclk gives us very few possibilities, so finding a good pixel + * clock may not be possible. We try multiple times to find the clock, + * each time widening the pixel clock range we look for, up to + * +/- 1MHz. + */ + + for (i = 0; i < 10; ++i) { + bool ok; + + memset(&ctx, 0, sizeof(ctx)); + if (pclk > 1000 * i * i * i) + ctx.pck_min = max(pclk - 1000 * i * i * i, 0lu); + else + ctx.pck_min = 0; + ctx.pck_max = pclk + 1000 * i * i * i; + + ok = dss_div_calc(ctx.pck_min, dpi_calc_dss_cb, &ctx); + if (ok) { + *dss_cinfo = ctx.dss_cinfo; + *dispc_cinfo = ctx.dispc_cinfo; + return 0; + } + } + + return -EINVAL; +} + static void sdi_config_lcd_manager(struct omap_dss_device *dssdev) { struct omap_overlay_manager *mgr = dssdev->output->manager; @@ -88,7 +154,7 @@ int omapdss_sdi_display_enable(struct omap_dss_device *dssdev) t->data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE; t->sync_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE; - r = dss_calc_clock_div(t->pixel_clock * 1000, &dss_cinfo, &dispc_cinfo); + r = sdi_calc_clock_div(t->pixel_clock * 1000, &dss_cinfo, &dispc_cinfo); if (r) goto err_calc_clock_div; @@ -182,7 +248,7 @@ void omapdss_sdi_set_datapairs(struct omap_dss_device *dssdev, int datapairs) } EXPORT_SYMBOL(omapdss_sdi_set_datapairs); -static int __init sdi_init_display(struct omap_dss_device *dssdev) +static int sdi_init_display(struct omap_dss_device *dssdev) { DSSDBG("SDI init\n"); @@ -202,7 +268,7 @@ static int __init sdi_init_display(struct omap_dss_device *dssdev) return 0; } -static struct omap_dss_device * __init sdi_find_dssdev(struct platform_device *pdev) +static struct omap_dss_device *sdi_find_dssdev(struct platform_device *pdev) { struct omap_dss_board_info *pdata = pdev->dev.platform_data; const char *def_disp_name = omapdss_get_default_display_name(); @@ -230,7 +296,7 @@ static struct omap_dss_device * __init sdi_find_dssdev(struct platform_device *p return def_dssdev; } -static void __init sdi_probe_pdata(struct platform_device *sdidev) +static int sdi_probe_pdata(struct platform_device *sdidev) { struct omap_dss_device *plat_dssdev; struct omap_dss_device *dssdev; @@ -239,11 +305,11 @@ static void __init sdi_probe_pdata(struct platform_device *sdidev) plat_dssdev = sdi_find_dssdev(sdidev); if (!plat_dssdev) - return; + return 0; dssdev = dss_alloc_and_init_device(&sdidev->dev); if (!dssdev) - return; + return -ENOMEM; dss_copy_device_pdata(dssdev, plat_dssdev); @@ -251,7 +317,7 @@ static void __init sdi_probe_pdata(struct platform_device *sdidev) if (r) { DSSERR("device %s init failed: %d\n", dssdev->name, r); dss_put_device(dssdev); - return; + return r; } r = omapdss_output_set_device(&sdi.output, dssdev); @@ -259,7 +325,7 @@ static void __init sdi_probe_pdata(struct platform_device *sdidev) DSSERR("failed to connect output to new device: %s\n", dssdev->name); dss_put_device(dssdev); - return; + return r; } r = dss_add_device(dssdev); @@ -267,17 +333,21 @@ static void __init sdi_probe_pdata(struct platform_device *sdidev) DSSERR("device %s register failed: %d\n", dssdev->name, r); omapdss_output_unset_device(&sdi.output); dss_put_device(dssdev); - return; + return r; } + + return 0; } -static void __init sdi_init_output(struct platform_device *pdev) +static void sdi_init_output(struct platform_device *pdev) { struct omap_dss_output *out = &sdi.output; out->pdev = pdev; out->id = OMAP_DSS_OUTPUT_SDI; out->type = OMAP_DISPLAY_TYPE_SDI; + out->name = "sdi.0"; + out->dispc_channel = OMAP_DSS_CHANNEL_LCD; dss_register_output(out); } @@ -289,11 +359,17 @@ static void __exit sdi_uninit_output(struct platform_device *pdev) dss_unregister_output(out); } -static int __init omap_sdi_probe(struct platform_device *pdev) +static int omap_sdi_probe(struct platform_device *pdev) { + int r; + sdi_init_output(pdev); - sdi_probe_pdata(pdev); + r = sdi_probe_pdata(pdev); + if (r) { + sdi_uninit_output(pdev); + return r; + } return 0; } @@ -308,6 +384,7 @@ static int __exit omap_sdi_remove(struct platform_device *pdev) } static struct platform_driver omap_sdi_driver = { + .probe = omap_sdi_probe, .remove = __exit_p(omap_sdi_remove), .driver = { .name = "omapdss_sdi", @@ -317,7 +394,7 @@ static struct platform_driver omap_sdi_driver = { int __init sdi_init_platform_driver(void) { - return platform_driver_probe(&omap_sdi_driver, omap_sdi_probe); + return platform_driver_register(&omap_sdi_driver); } void __exit sdi_uninit_platform_driver(void) diff --git a/drivers/video/omap2/dss/venc.c b/drivers/video/omap2/dss/venc.c index 006caf3cb50..74fdb3ee209 100644 --- a/drivers/video/omap2/dss/venc.c +++ b/drivers/video/omap2/dss/venc.c @@ -519,10 +519,6 @@ int omapdss_venc_display_enable(struct omap_dss_device *dssdev) goto err0; } - if (dssdev->platform_enable) - dssdev->platform_enable(dssdev); - - r = venc_power_on(dssdev); if (r) goto err1; @@ -533,8 +529,6 @@ int omapdss_venc_display_enable(struct omap_dss_device *dssdev) return 0; err1: - if (dssdev->platform_disable) - dssdev->platform_disable(dssdev); omap_dss_stop_device(dssdev); err0: mutex_unlock(&venc.venc_lock); @@ -551,9 +545,6 @@ void omapdss_venc_display_disable(struct omap_dss_device *dssdev) omap_dss_stop_device(dssdev); - if (dssdev->platform_disable) - dssdev->platform_disable(dssdev); - mutex_unlock(&venc.venc_lock); } @@ -642,7 +633,7 @@ void omapdss_venc_invert_vid_out_polarity(struct omap_dss_device *dssdev, mutex_unlock(&venc.venc_lock); } -static int __init venc_init_display(struct omap_dss_device *dssdev) +static int venc_init_display(struct omap_dss_device *dssdev) { DSSDBG("init_display\n"); @@ -721,7 +712,7 @@ static int venc_get_clocks(struct platform_device *pdev) struct clk *clk; if (dss_has_feature(FEAT_VENC_REQUIRES_TV_DAC_CLK)) { - clk = clk_get(&pdev->dev, "tv_dac_clk"); + clk = devm_clk_get(&pdev->dev, "tv_dac_clk"); if (IS_ERR(clk)) { DSSERR("can't get tv_dac_clk\n"); return PTR_ERR(clk); @@ -735,13 +726,7 @@ static int venc_get_clocks(struct platform_device *pdev) return 0; } -static void venc_put_clocks(void) -{ - if (venc.tv_dac_clk) - clk_put(venc.tv_dac_clk); -} - -static struct omap_dss_device * __init venc_find_dssdev(struct platform_device *pdev) +static struct omap_dss_device *venc_find_dssdev(struct platform_device *pdev) { struct omap_dss_board_info *pdata = pdev->dev.platform_data; const char *def_disp_name = omapdss_get_default_display_name(); @@ -769,7 +754,7 @@ static struct omap_dss_device * __init venc_find_dssdev(struct platform_device * return def_dssdev; } -static void __init venc_probe_pdata(struct platform_device *vencdev) +static int venc_probe_pdata(struct platform_device *vencdev) { struct omap_dss_device *plat_dssdev; struct omap_dss_device *dssdev; @@ -778,21 +763,19 @@ static void __init venc_probe_pdata(struct platform_device *vencdev) plat_dssdev = venc_find_dssdev(vencdev); if (!plat_dssdev) - return; + return 0; dssdev = dss_alloc_and_init_device(&vencdev->dev); if (!dssdev) - return; + return -ENOMEM; dss_copy_device_pdata(dssdev, plat_dssdev); - dssdev->channel = OMAP_DSS_CHANNEL_DIGIT; - r = venc_init_display(dssdev); if (r) { DSSERR("device %s init failed: %d\n", dssdev->name, r); dss_put_device(dssdev); - return; + return r; } r = omapdss_output_set_device(&venc.output, dssdev); @@ -800,7 +783,7 @@ static void __init venc_probe_pdata(struct platform_device *vencdev) DSSERR("failed to connect output to new device: %s\n", dssdev->name); dss_put_device(dssdev); - return; + return r; } r = dss_add_device(dssdev); @@ -808,17 +791,21 @@ static void __init venc_probe_pdata(struct platform_device *vencdev) DSSERR("device %s register failed: %d\n", dssdev->name, r); omapdss_output_unset_device(&venc.output); dss_put_device(dssdev); - return; + return r; } + + return 0; } -static void __init venc_init_output(struct platform_device *pdev) +static void venc_init_output(struct platform_device *pdev) { struct omap_dss_output *out = &venc.output; out->pdev = pdev; out->id = OMAP_DSS_OUTPUT_VENC; out->type = OMAP_DISPLAY_TYPE_VENC; + out->name = "venc.0"; + out->dispc_channel = OMAP_DSS_CHANNEL_DIGIT; dss_register_output(out); } @@ -831,7 +818,7 @@ static void __exit venc_uninit_output(struct platform_device *pdev) } /* VENC HW IP initialisation */ -static int __init omap_venchw_probe(struct platform_device *pdev) +static int omap_venchw_probe(struct platform_device *pdev) { u8 rev_id; struct resource *venc_mem; @@ -879,14 +866,19 @@ static int __init omap_venchw_probe(struct platform_device *pdev) venc_init_output(pdev); - venc_probe_pdata(pdev); + r = venc_probe_pdata(pdev); + if (r) { + venc_panel_exit(); + venc_uninit_output(pdev); + pm_runtime_disable(&pdev->dev); + return r; + } return 0; err_panel_init: err_runtime_get: pm_runtime_disable(&pdev->dev); - venc_put_clocks(); return r; } @@ -904,7 +896,6 @@ static int __exit omap_venchw_remove(struct platform_device *pdev) venc_uninit_output(pdev); pm_runtime_disable(&pdev->dev); - venc_put_clocks(); return 0; } @@ -939,6 +930,7 @@ static const struct dev_pm_ops venc_pm_ops = { }; static struct platform_driver omap_venchw_driver = { + .probe = omap_venchw_probe, .remove = __exit_p(omap_venchw_remove), .driver = { .name = "omapdss_venc", @@ -949,7 +941,7 @@ static struct platform_driver omap_venchw_driver = { int __init venc_init_platform_driver(void) { - return platform_driver_probe(&omap_venchw_driver, omap_venchw_probe); + return platform_driver_register(&omap_venchw_driver); } void __exit venc_uninit_platform_driver(void) diff --git a/drivers/video/omap2/omapfb/omapfb-main.c b/drivers/video/omap2/omapfb/omapfb-main.c index ca585ef37f2..c84bb8a4d0c 100644 --- a/drivers/video/omap2/omapfb/omapfb-main.c +++ b/drivers/video/omap2/omapfb/omapfb-main.c @@ -1101,41 +1101,25 @@ static int omapfb_mmap(struct fb_info *fbi, struct vm_area_struct *vma) struct omapfb_info *ofbi = FB2OFB(fbi); struct fb_fix_screeninfo *fix = &fbi->fix; struct omapfb2_mem_region *rg; - unsigned long off; unsigned long start; u32 len; - int r = -EINVAL; - - if (vma->vm_end - vma->vm_start == 0) - return 0; - if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT)) - return -EINVAL; - off = vma->vm_pgoff << PAGE_SHIFT; + int r; rg = omapfb_get_mem_region(ofbi->region); start = omapfb_get_region_paddr(ofbi); len = fix->smem_len; - if (off >= len) - goto error; - if ((vma->vm_end - vma->vm_start + off) > len) - goto error; - off += start; + DBG("user mmap region start %lx, len %d, off %lx\n", start, len, + vma->vm_pgoff << PAGE_SHIFT); - DBG("user mmap region start %lx, len %d, off %lx\n", start, len, off); - - vma->vm_pgoff = off >> PAGE_SHIFT; - /* VM_IO | VM_DONTEXPAND | VM_DONTDUMP are set by remap_pfn_range() */ vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot); vma->vm_ops = &mmap_user_ops; vma->vm_private_data = rg; - if (io_remap_pfn_range(vma, vma->vm_start, off >> PAGE_SHIFT, - vma->vm_end - vma->vm_start, - vma->vm_page_prot)) { - r = -EAGAIN; + + r = vm_iomap_memory(vma, start, len); + if (r) goto error; - } /* vm_ops.open won't be called for mmap itself. */ atomic_inc(&rg->map_count); @@ -1144,7 +1128,7 @@ static int omapfb_mmap(struct fb_info *fbi, struct vm_area_struct *vma) return 0; - error: +error: omapfb_put_mem_region(ofbi->region); return r; @@ -2388,7 +2372,7 @@ static int omapfb_init_connections(struct omapfb2_device *fbdev, struct omap_dss_device *dssdev = fbdev->displays[i].dssdev; struct omap_dss_output *out = dssdev->output; - mgr = omap_dss_get_overlay_manager(dssdev->channel); + mgr = omap_dss_get_overlay_manager(out->dispc_channel); if (!mgr || !out) continue; @@ -2422,7 +2406,7 @@ static int omapfb_init_connections(struct omapfb2_device *fbdev, return 0; } -static int __init omapfb_probe(struct platform_device *pdev) +static int omapfb_probe(struct platform_device *pdev) { struct omapfb2_device *fbdev = NULL; int r = 0; @@ -2484,7 +2468,7 @@ static int __init omapfb_probe(struct platform_device *pdev) if (fbdev->num_displays == 0) { dev_err(&pdev->dev, "no displays\n"); - r = -EINVAL; + r = -EPROBE_DEFER; goto cleanup; } @@ -2595,6 +2579,7 @@ static int __exit omapfb_remove(struct platform_device *pdev) } static struct platform_driver omapfb_driver = { + .probe = omapfb_probe, .remove = __exit_p(omapfb_remove), .driver = { .name = "omapfb", @@ -2602,36 +2587,13 @@ static struct platform_driver omapfb_driver = { }, }; -static int __init omapfb_init(void) -{ - DBG("omapfb_init\n"); - - if (platform_driver_probe(&omapfb_driver, omapfb_probe)) { - printk(KERN_ERR "failed to register omapfb driver\n"); - return -ENODEV; - } - - return 0; -} - -static void __exit omapfb_exit(void) -{ - DBG("omapfb_exit\n"); - platform_driver_unregister(&omapfb_driver); -} - module_param_named(mode, def_mode, charp, 0); module_param_named(vram, def_vram, charp, 0); module_param_named(rotate, def_rotate, int, 0); module_param_named(vrfb, def_vrfb, bool, 0); module_param_named(mirror, def_mirror, bool, 0); -/* late_initcall to let panel/ctrl drivers loaded first. - * I guess better option would be a more dynamic approach, - * so that omapfb reacts to new panels when they are loaded */ -late_initcall(omapfb_init); -/*module_init(omapfb_init);*/ -module_exit(omapfb_exit); +module_platform_driver(omapfb_driver); MODULE_AUTHOR("Tomi Valkeinen <tomi.valkeinen@nokia.com>"); MODULE_DESCRIPTION("OMAP2/3 Framebuffer"); diff --git a/drivers/video/omap2/vrfb.c b/drivers/video/omap2/vrfb.c index 10560efeb35..5261229c79a 100644 --- a/drivers/video/omap2/vrfb.c +++ b/drivers/video/omap2/vrfb.c @@ -397,18 +397,7 @@ static struct platform_driver vrfb_driver = { .remove = __exit_p(vrfb_remove), }; -static int __init vrfb_init(void) -{ - return platform_driver_probe(&vrfb_driver, &vrfb_probe); -} - -static void __exit vrfb_exit(void) -{ - platform_driver_unregister(&vrfb_driver); -} - -module_init(vrfb_init); -module_exit(vrfb_exit); +module_platform_driver_probe(vrfb_driver, vrfb_probe); MODULE_AUTHOR("Tomi Valkeinen <tomi.valkeinen@ti.com>"); MODULE_DESCRIPTION("OMAP VRFB"); diff --git a/drivers/video/ps3fb.c b/drivers/video/ps3fb.c index 920c27bf394..d9f08c653d6 100644 --- a/drivers/video/ps3fb.c +++ b/drivers/video/ps3fb.c @@ -705,21 +705,15 @@ static int ps3fb_pan_display(struct fb_var_screeninfo *var, static int ps3fb_mmap(struct fb_info *info, struct vm_area_struct *vma) { - unsigned long size, offset; + int r; - size = vma->vm_end - vma->vm_start; - offset = vma->vm_pgoff << PAGE_SHIFT; - if (offset + size > info->fix.smem_len) - return -EINVAL; - - offset += info->fix.smem_start; - if (remap_pfn_range(vma, vma->vm_start, offset >> PAGE_SHIFT, - size, vma->vm_page_prot)) - return -EAGAIN; + r = vm_iomap_memory(vma, info->fix.smem_start, info->fix.smem_len); dev_dbg(info->device, "ps3fb: mmap framebuffer P(%lx)->V(%lx)\n", - offset, vma->vm_start); - return 0; + info->fix.smem_start + vma->vm_pgoff << PAGE_SHIFT, + vma->vm_start); + + return r; } /* diff --git a/drivers/video/pxa3xx-gcu.c b/drivers/video/pxa3xx-gcu.c index 6c984eacc7e..97563c55af6 100644 --- a/drivers/video/pxa3xx-gcu.c +++ b/drivers/video/pxa3xx-gcu.c @@ -101,7 +101,6 @@ struct pxa3xx_gcu_priv { dma_addr_t shared_phys; struct resource *resource_mem; struct miscdevice misc_dev; - struct file_operations misc_fops; wait_queue_head_t wait_idle; wait_queue_head_t wait_free; spinlock_t spinlock; @@ -369,15 +368,20 @@ pxa3xx_gcu_wait_free(struct pxa3xx_gcu_priv *priv) /* Misc device layer */ +static inline struct pxa3xx_gcu_priv *file_dev(struct file *file) +{ + struct miscdevice *dev = file->private_data; + return container_of(dev, struct pxa3xx_gcu_priv, misc_dev); +} + static ssize_t -pxa3xx_gcu_misc_write(struct file *filp, const char *buff, +pxa3xx_gcu_misc_write(struct file *file, const char *buff, size_t count, loff_t *offp) { int ret; unsigned long flags; struct pxa3xx_gcu_batch *buffer; - struct pxa3xx_gcu_priv *priv = - container_of(filp->f_op, struct pxa3xx_gcu_priv, misc_fops); + struct pxa3xx_gcu_priv *priv = file_dev(file); int words = count / 4; @@ -450,11 +454,10 @@ pxa3xx_gcu_misc_write(struct file *filp, const char *buff, static long -pxa3xx_gcu_misc_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) +pxa3xx_gcu_misc_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { unsigned long flags; - struct pxa3xx_gcu_priv *priv = - container_of(filp->f_op, struct pxa3xx_gcu_priv, misc_fops); + struct pxa3xx_gcu_priv *priv = file_dev(file); switch (cmd) { case PXA3XX_GCU_IOCTL_RESET: @@ -471,11 +474,10 @@ pxa3xx_gcu_misc_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) } static int -pxa3xx_gcu_misc_mmap(struct file *filp, struct vm_area_struct *vma) +pxa3xx_gcu_misc_mmap(struct file *file, struct vm_area_struct *vma) { unsigned int size = vma->vm_end - vma->vm_start; - struct pxa3xx_gcu_priv *priv = - container_of(filp->f_op, struct pxa3xx_gcu_priv, misc_fops); + struct pxa3xx_gcu_priv *priv = file_dev(file); switch (vma->vm_pgoff) { case 0: @@ -574,6 +576,13 @@ free_buffers(struct platform_device *dev, priv->free = NULL; } +static const struct file_operations misc_fops = { + .owner = THIS_MODULE, + .write = pxa3xx_gcu_misc_write, + .unlocked_ioctl = pxa3xx_gcu_misc_ioctl, + .mmap = pxa3xx_gcu_misc_mmap +}; + static int pxa3xx_gcu_probe(struct platform_device *dev) { int i, ret, irq; @@ -601,14 +610,9 @@ static int pxa3xx_gcu_probe(struct platform_device *dev) * container_of(). This isn't really necessary as we have a fixed minor * number anyway, but this is to avoid statics. */ - priv->misc_fops.owner = THIS_MODULE; - priv->misc_fops.write = pxa3xx_gcu_misc_write; - priv->misc_fops.unlocked_ioctl = pxa3xx_gcu_misc_ioctl; - priv->misc_fops.mmap = pxa3xx_gcu_misc_mmap; - priv->misc_dev.minor = MISCDEV_MINOR, priv->misc_dev.name = DRV_NAME, - priv->misc_dev.fops = &priv->misc_fops, + priv->misc_dev.fops = &misc_fops, /* register misc device */ ret = misc_register(&priv->misc_dev); diff --git a/drivers/video/s1d13xxxfb.c b/drivers/video/s1d13xxxfb.c index 76d9053d88c..05c2dc3d4bc 100644 --- a/drivers/video/s1d13xxxfb.c +++ b/drivers/video/s1d13xxxfb.c @@ -862,7 +862,7 @@ static int s1d13xxxfb_probe(struct platform_device *pdev) printk(KERN_INFO PFX "unknown chip production id %i, revision %i\n", prod_id, revision); - printk(KERN_INFO PFX "please contant maintainer\n"); + printk(KERN_INFO PFX "please contact maintainer\n"); goto bail; } diff --git a/drivers/video/s3c-fb.c b/drivers/video/s3c-fb.c index 968a62571df..2e7991c7ca0 100644 --- a/drivers/video/s3c-fb.c +++ b/drivers/video/s3c-fb.c @@ -24,10 +24,9 @@ #include <linux/uaccess.h> #include <linux/interrupt.h> #include <linux/pm_runtime.h> +#include <linux/platform_data/video_s3c.h> #include <video/samsung_fimd.h> -#include <mach/map.h> -#include <plat/fb.h> /* This driver will export a number of framebuffer interfaces depending * on the configuration passed in via the platform data. Each fb instance diff --git a/drivers/video/sa1100fb.c b/drivers/video/sa1100fb.c index cfbde5e85cb..f34c858642e 100644 --- a/drivers/video/sa1100fb.c +++ b/drivers/video/sa1100fb.c @@ -556,7 +556,7 @@ static int sa1100fb_mmap(struct fb_info *info, struct vm_area_struct *vma) { struct sa1100fb_info *fbi = (struct sa1100fb_info *)info; - unsigned long start, len, off = vma->vm_pgoff << PAGE_SHIFT; + unsigned long off = vma->vm_pgoff << PAGE_SHIFT; if (off < info->fix.smem_len) { vma->vm_pgoff += 1; /* skip over the palette */ @@ -564,19 +564,9 @@ static int sa1100fb_mmap(struct fb_info *info, fbi->map_dma, fbi->map_size); } - start = info->fix.mmio_start; - len = PAGE_ALIGN((start & ~PAGE_MASK) + info->fix.mmio_len); - - if ((vma->vm_end - vma->vm_start + off) > len) - return -EINVAL; - - off += start & PAGE_MASK; - vma->vm_pgoff = off >> PAGE_SHIFT; - vma->vm_flags |= VM_IO; vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); - return io_remap_pfn_range(vma, vma->vm_start, off >> PAGE_SHIFT, - vma->vm_end - vma->vm_start, - vma->vm_page_prot); + + return vm_iomap_memory(vma, info->fix.mmio_start, info->fix.mmio_len); } static struct fb_ops sa1100fb_ops = { diff --git a/drivers/video/sgivwfb.c b/drivers/video/sgivwfb.c index 2331fadc272..b2a8912f643 100644 --- a/drivers/video/sgivwfb.c +++ b/drivers/video/sgivwfb.c @@ -705,23 +705,17 @@ static int sgivwfb_setcolreg(u_int regno, u_int red, u_int green, static int sgivwfb_mmap(struct fb_info *info, struct vm_area_struct *vma) { - unsigned long size = vma->vm_end - vma->vm_start; - unsigned long offset = vma->vm_pgoff << PAGE_SHIFT; + int r; - if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT)) - return -EINVAL; - if (offset + size > sgivwfb_mem_size) - return -EINVAL; - offset += sgivwfb_mem_phys; pgprot_val(vma->vm_page_prot) = - pgprot_val(vma->vm_page_prot) | _PAGE_PCD; - vma->vm_flags |= VM_IO; - if (remap_pfn_range(vma, vma->vm_start, offset >> PAGE_SHIFT, - size, vma->vm_page_prot)) - return -EAGAIN; + pgprot_val(vma->vm_page_prot) | _PAGE_PCD; + + r = vm_iomap_memory(vma, sgivwfb_mem_phys, sgivwfb_mem_size); + printk(KERN_DEBUG "sgivwfb: mmap framebuffer P(%lx)->V(%lx)\n", offset, vma->vm_start); - return 0; + + return r; } int __init sgivwfb_setup(char *options) diff --git a/drivers/video/sh_mipi_dsi.c b/drivers/video/sh_mipi_dsi.c index 701b461cf8a..6cad53075e9 100644 --- a/drivers/video/sh_mipi_dsi.c +++ b/drivers/video/sh_mipi_dsi.c @@ -581,17 +581,7 @@ static struct platform_driver sh_mipi_driver = { }, }; -static int __init sh_mipi_init(void) -{ - return platform_driver_probe(&sh_mipi_driver, sh_mipi_probe); -} -module_init(sh_mipi_init); - -static void __exit sh_mipi_exit(void) -{ - platform_driver_unregister(&sh_mipi_driver); -} -module_exit(sh_mipi_exit); +module_platform_driver_probe(sh_mipi_driver, sh_mipi_probe); MODULE_AUTHOR("Guennadi Liakhovetski <g.liakhovetski@gmx.de>"); MODULE_DESCRIPTION("SuperH / ARM-shmobile MIPI DSI driver"); diff --git a/drivers/video/sh_mobile_hdmi.c b/drivers/video/sh_mobile_hdmi.c index 930e550e752..bfe4728480f 100644 --- a/drivers/video/sh_mobile_hdmi.c +++ b/drivers/video/sh_mobile_hdmi.c @@ -1445,17 +1445,7 @@ static struct platform_driver sh_hdmi_driver = { }, }; -static int __init sh_hdmi_init(void) -{ - return platform_driver_probe(&sh_hdmi_driver, sh_hdmi_probe); -} -module_init(sh_hdmi_init); - -static void __exit sh_hdmi_exit(void) -{ - platform_driver_unregister(&sh_hdmi_driver); -} -module_exit(sh_hdmi_exit); +module_platform_driver_probe(sh_hdmi_driver, sh_hdmi_probe); MODULE_AUTHOR("Guennadi Liakhovetski <g.liakhovetski@gmx.de>"); MODULE_DESCRIPTION("SuperH / ARM-shmobile HDMI driver"); diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c index 63203acef81..0264704a52b 100644 --- a/drivers/video/sh_mobile_lcdcfb.c +++ b/drivers/video/sh_mobile_lcdcfb.c @@ -858,6 +858,7 @@ static void sh_mobile_lcdc_geometry(struct sh_mobile_lcdc_chan *ch) tmp = ((mode->xres & 7) << 24) | ((display_h_total & 7) << 16) | ((mode->hsync_len & 7) << 8) | (hsync_pos & 7); lcdc_write_chan(ch, LDHAJR, tmp); + lcdc_write_chan_mirror(ch, LDHAJR, tmp); } static void sh_mobile_lcdc_overlay_setup(struct sh_mobile_lcdc_overlay *ovl) diff --git a/drivers/video/smscufx.c b/drivers/video/smscufx.c index 97bd6620c36..b2b33fc1ac3 100644 --- a/drivers/video/smscufx.c +++ b/drivers/video/smscufx.c @@ -782,7 +782,11 @@ static int ufx_ops_mmap(struct fb_info *info, struct vm_area_struct *vma) unsigned long offset = vma->vm_pgoff << PAGE_SHIFT; unsigned long page, pos; - if (offset + size > info->fix.smem_len) + if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT)) + return -EINVAL; + if (size > info->fix.smem_len) + return -EINVAL; + if (offset > info->fix.smem_len - size) return -EINVAL; pos = (unsigned long)info->fix.smem_start + offset; diff --git a/drivers/video/ssd1307fb.c b/drivers/video/ssd1307fb.c index 395cb6a8d8f..9ef05d3ef68 100644 --- a/drivers/video/ssd1307fb.c +++ b/drivers/video/ssd1307fb.c @@ -1,5 +1,5 @@ /* - * Driver for the Solomon SSD1307 OLED controler + * Driver for the Solomon SSD1307 OLED controller * * Copyright 2012 Free Electrons * @@ -392,6 +392,6 @@ static struct i2c_driver ssd1307fb_driver = { module_i2c_driver(ssd1307fb_driver); -MODULE_DESCRIPTION("FB driver for the Solomon SSD1307 OLED controler"); +MODULE_DESCRIPTION("FB driver for the Solomon SSD1307 OLED controller"); MODULE_AUTHOR("Maxime Ripard <maxime.ripard@free-electrons.com>"); MODULE_LICENSE("GPL"); diff --git a/drivers/video/udlfb.c b/drivers/video/udlfb.c index 86d449ea316..ec03e726c94 100644 --- a/drivers/video/udlfb.c +++ b/drivers/video/udlfb.c @@ -324,7 +324,11 @@ static int dlfb_ops_mmap(struct fb_info *info, struct vm_area_struct *vma) unsigned long offset = vma->vm_pgoff << PAGE_SHIFT; unsigned long page, pos; - if (offset + size > info->fix.smem_len) + if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT)) + return -EINVAL; + if (size > info->fix.smem_len) + return -EINVAL; + if (offset > info->fix.smem_len - size) return -EINVAL; pos = (unsigned long)info->fix.smem_start + offset; diff --git a/drivers/video/uvesafb.c b/drivers/video/uvesafb.c index b75db018648..e328a61b64b 100644 --- a/drivers/video/uvesafb.c +++ b/drivers/video/uvesafb.c @@ -166,7 +166,7 @@ static int uvesafb_exec(struct uvesafb_ktask *task) memcpy(&m->id, &uvesafb_cn_id, sizeof(m->id)); m->seq = seq; m->len = len; - m->ack = random32(); + m->ack = prandom_u32(); /* uvesafb_task structure */ memcpy(m + 1, &task->t, sizeof(task->t)); @@ -1973,7 +1973,8 @@ static int uvesafb_init(void) err = -ENOMEM; if (err) { - platform_device_put(uvesafb_device); + if (uvesafb_device) + platform_device_put(uvesafb_device); platform_driver_unregister(&uvesafb_driver); cn_del_callback(&uvesafb_cn_id); return err; diff --git a/drivers/video/vermilion/vermilion.c b/drivers/video/vermilion/vermilion.c index 0aa516fc59c..09a136633f3 100644 --- a/drivers/video/vermilion/vermilion.c +++ b/drivers/video/vermilion/vermilion.c @@ -1003,24 +1003,18 @@ static int vmlfb_setcolreg(u_int regno, u_int red, u_int green, u_int blue, static int vmlfb_mmap(struct fb_info *info, struct vm_area_struct *vma) { struct vml_info *vinfo = container_of(info, struct vml_info, info); - unsigned long size = vma->vm_end - vma->vm_start; unsigned long offset = vma->vm_pgoff << PAGE_SHIFT; int ret; - if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT)) - return -EINVAL; - if (offset + size > vinfo->vram_contig_size) - return -EINVAL; ret = vmlfb_vram_offset(vinfo, offset); if (ret) return -EINVAL; - offset += vinfo->vram_start; + pgprot_val(vma->vm_page_prot) |= _PAGE_PCD; pgprot_val(vma->vm_page_prot) &= ~_PAGE_PWT; - if (remap_pfn_range(vma, vma->vm_start, offset >> PAGE_SHIFT, - size, vma->vm_page_prot)) - return -EAGAIN; - return 0; + + return vm_iomap_memory(vma, vinfo->vram_start, + vinfo->vram_contig_size); } static int vmlfb_sync(struct fb_info *info) diff --git a/drivers/video/vfb.c b/drivers/video/vfb.c index 8bc1f939894..ee5985efa15 100644 --- a/drivers/video/vfb.c +++ b/drivers/video/vfb.c @@ -420,9 +420,12 @@ static int vfb_mmap(struct fb_info *info, unsigned long offset = vma->vm_pgoff << PAGE_SHIFT; unsigned long page, pos; - if (offset + size > info->fix.smem_len) { + if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT)) + return -EINVAL; + if (size > info->fix.smem_len) + return -EINVAL; + if (offset > info->fix.smem_len - size) return -EINVAL; - } pos = (unsigned long)info->fix.smem_start + offset; diff --git a/drivers/video/videomode.c b/drivers/video/videomode.c index 21c47a202af..df375c96c5d 100644 --- a/drivers/video/videomode.c +++ b/drivers/video/videomode.c @@ -11,7 +11,25 @@ #include <video/display_timing.h> #include <video/videomode.h> -int videomode_from_timing(const struct display_timings *disp, +void videomode_from_timing(const struct display_timing *dt, + struct videomode *vm) +{ + vm->pixelclock = dt->pixelclock.typ; + vm->hactive = dt->hactive.typ; + vm->hfront_porch = dt->hfront_porch.typ; + vm->hback_porch = dt->hback_porch.typ; + vm->hsync_len = dt->hsync_len.typ; + + vm->vactive = dt->vactive.typ; + vm->vfront_porch = dt->vfront_porch.typ; + vm->vback_porch = dt->vback_porch.typ; + vm->vsync_len = dt->vsync_len.typ; + + vm->flags = dt->flags; +} +EXPORT_SYMBOL_GPL(videomode_from_timing); + +int videomode_from_timings(const struct display_timings *disp, struct videomode *vm, unsigned int index) { struct display_timing *dt; @@ -20,20 +38,8 @@ int videomode_from_timing(const struct display_timings *disp, if (!dt) return -EINVAL; - vm->pixelclock = display_timing_get_value(&dt->pixelclock, TE_TYP); - vm->hactive = display_timing_get_value(&dt->hactive, TE_TYP); - vm->hfront_porch = display_timing_get_value(&dt->hfront_porch, TE_TYP); - vm->hback_porch = display_timing_get_value(&dt->hback_porch, TE_TYP); - vm->hsync_len = display_timing_get_value(&dt->hsync_len, TE_TYP); - - vm->vactive = display_timing_get_value(&dt->vactive, TE_TYP); - vm->vfront_porch = display_timing_get_value(&dt->vfront_porch, TE_TYP); - vm->vback_porch = display_timing_get_value(&dt->vback_porch, TE_TYP); - vm->vsync_len = display_timing_get_value(&dt->vsync_len, TE_TYP); - - vm->dmt_flags = dt->dmt_flags; - vm->data_flags = dt->data_flags; + videomode_from_timing(dt, vm); return 0; } -EXPORT_SYMBOL_GPL(videomode_from_timing); +EXPORT_SYMBOL_GPL(videomode_from_timings); diff --git a/drivers/video/vt8500lcdfb.c b/drivers/video/vt8500lcdfb.c index aa2579c2364..9547e1831e0 100644 --- a/drivers/video/vt8500lcdfb.c +++ b/drivers/video/vt8500lcdfb.c @@ -15,22 +15,21 @@ * GNU General Public License for more details. */ -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/string.h> -#include <linux/mm.h> -#include <linux/slab.h> #include <linux/delay.h> +#include <linux/dma-mapping.h> +#include <linux/errno.h> #include <linux/fb.h> #include <linux/init.h> #include <linux/interrupt.h> #include <linux/io.h> -#include <linux/dma-mapping.h> +#include <linux/kernel.h> +#include <linux/mm.h> +#include <linux/module.h> #include <linux/platform_device.h> +#include <linux/slab.h> +#include <linux/string.h> #include <linux/wait.h> - -#include <linux/platform_data/video-vt8500lcdfb.h> +#include <video/of_display_timing.h> #include "vt8500lcdfb.h" #include "wmt_ge_rops.h" @@ -277,11 +276,11 @@ static int vt8500lcd_probe(struct platform_device *pdev) { struct vt8500lcd_info *fbi; struct resource *res; + struct display_timings *disp_timing; void *addr; int irq, ret; struct fb_videomode of_mode; - struct device_node *np; u32 bpp; dma_addr_t fb_mem_phys; unsigned long fb_mem_len; @@ -346,32 +345,18 @@ static int vt8500lcd_probe(struct platform_device *pdev) goto failed_free_res; } - np = of_parse_phandle(pdev->dev.of_node, "default-mode", 0); - if (!np) { - pr_err("%s: No display description in Device Tree\n", __func__); - ret = -EINVAL; - goto failed_free_res; - } + disp_timing = of_get_display_timings(pdev->dev.of_node); + if (!disp_timing) + return -EINVAL; - /* - * This code is copied from Sascha Hauer's of_videomode helper - * and can be replaced with a call to the helper once mainlined - */ - ret = 0; - ret |= of_property_read_u32(np, "hactive", &of_mode.xres); - ret |= of_property_read_u32(np, "vactive", &of_mode.yres); - ret |= of_property_read_u32(np, "hback-porch", &of_mode.left_margin); - ret |= of_property_read_u32(np, "hfront-porch", &of_mode.right_margin); - ret |= of_property_read_u32(np, "hsync-len", &of_mode.hsync_len); - ret |= of_property_read_u32(np, "vback-porch", &of_mode.upper_margin); - ret |= of_property_read_u32(np, "vfront-porch", &of_mode.lower_margin); - ret |= of_property_read_u32(np, "vsync-len", &of_mode.vsync_len); - ret |= of_property_read_u32(np, "bpp", &bpp); - if (ret) { - pr_err("%s: Unable to read display properties\n", __func__); - goto failed_free_res; - } - of_mode.vmode = FB_VMODE_NONINTERLACED; + ret = of_get_fb_videomode(pdev->dev.of_node, &of_mode, + OF_USE_NATIVE_MODE); + if (ret) + return ret; + + ret = of_property_read_u32(pdev->dev.of_node, "bits-per-pixel", &bpp); + if (ret) + return ret; /* try allocating the framebuffer */ fb_mem_len = of_mode.xres * of_mode.yres * 2 * (bpp / 8); diff --git a/drivers/video/wm8505fb.c b/drivers/video/wm8505fb.c index 4dd0580f96f..01f9ace068e 100644 --- a/drivers/video/wm8505fb.c +++ b/drivers/video/wm8505fb.c @@ -14,25 +14,25 @@ * GNU General Public License for more details. */ -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/string.h> -#include <linux/mm.h> -#include <linux/slab.h> #include <linux/delay.h> +#include <linux/dma-mapping.h> #include <linux/fb.h> +#include <linux/errno.h> +#include <linux/err.h> #include <linux/init.h> #include <linux/interrupt.h> #include <linux/io.h> -#include <linux/dma-mapping.h> -#include <linux/platform_device.h> -#include <linux/wait.h> +#include <linux/kernel.h> +#include <linux/memblock.h> +#include <linux/mm.h> +#include <linux/module.h> #include <linux/of.h> #include <linux/of_fdt.h> -#include <linux/memblock.h> - -#include <linux/platform_data/video-vt8500lcdfb.h> +#include <linux/platform_device.h> +#include <linux/slab.h> +#include <linux/string.h> +#include <linux/wait.h> +#include <video/of_display_timing.h> #include "wm8505fb_regs.h" #include "wmt_ge_rops.h" @@ -263,26 +263,22 @@ static struct fb_ops wm8505fb_ops = { static int wm8505fb_probe(struct platform_device *pdev) { struct wm8505fb_info *fbi; - struct resource *res; + struct resource *res; + struct display_timings *disp_timing; void *addr; int ret; - struct fb_videomode of_mode; - struct device_node *np; + struct fb_videomode mode; u32 bpp; dma_addr_t fb_mem_phys; unsigned long fb_mem_len; void *fb_mem_virt; - ret = -ENOMEM; - fbi = NULL; - fbi = devm_kzalloc(&pdev->dev, sizeof(struct wm8505fb_info) + sizeof(u32) * 16, GFP_KERNEL); if (!fbi) { dev_err(&pdev->dev, "Failed to initialize framebuffer device\n"); - ret = -ENOMEM; - goto failed; + return -ENOMEM; } strcpy(fbi->fb.fix.id, DRIVER_NAME); @@ -308,54 +304,23 @@ static int wm8505fb_probe(struct platform_device *pdev) fbi->fb.pseudo_palette = addr; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (res == NULL) { - dev_err(&pdev->dev, "no I/O memory resource defined\n"); - ret = -ENODEV; - goto failed_fbi; - } + fbi->regbase = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(fbi->regbase)) + return PTR_ERR(fbi->regbase); - res = request_mem_region(res->start, resource_size(res), DRIVER_NAME); - if (res == NULL) { - dev_err(&pdev->dev, "failed to request I/O memory\n"); - ret = -EBUSY; - goto failed_fbi; - } - - fbi->regbase = ioremap(res->start, resource_size(res)); - if (fbi->regbase == NULL) { - dev_err(&pdev->dev, "failed to map I/O memory\n"); - ret = -EBUSY; - goto failed_free_res; - } + disp_timing = of_get_display_timings(pdev->dev.of_node); + if (!disp_timing) + return -EINVAL; - np = of_parse_phandle(pdev->dev.of_node, "default-mode", 0); - if (!np) { - pr_err("%s: No display description in Device Tree\n", __func__); - ret = -EINVAL; - goto failed_free_res; - } + ret = of_get_fb_videomode(pdev->dev.of_node, &mode, OF_USE_NATIVE_MODE); + if (ret) + return ret; - /* - * This code is copied from Sascha Hauer's of_videomode helper - * and can be replaced with a call to the helper once mainlined - */ - ret = 0; - ret |= of_property_read_u32(np, "hactive", &of_mode.xres); - ret |= of_property_read_u32(np, "vactive", &of_mode.yres); - ret |= of_property_read_u32(np, "hback-porch", &of_mode.left_margin); - ret |= of_property_read_u32(np, "hfront-porch", &of_mode.right_margin); - ret |= of_property_read_u32(np, "hsync-len", &of_mode.hsync_len); - ret |= of_property_read_u32(np, "vback-porch", &of_mode.upper_margin); - ret |= of_property_read_u32(np, "vfront-porch", &of_mode.lower_margin); - ret |= of_property_read_u32(np, "vsync-len", &of_mode.vsync_len); - ret |= of_property_read_u32(np, "bpp", &bpp); - if (ret) { - pr_err("%s: Unable to read display properties\n", __func__); - goto failed_free_res; - } + ret = of_property_read_u32(pdev->dev.of_node, "bits-per-pixel", &bpp); + if (ret) + return ret; - of_mode.vmode = FB_VMODE_NONINTERLACED; - fb_videomode_to_var(&fbi->fb.var, &of_mode); + fb_videomode_to_var(&fbi->fb.var, &mode); fbi->fb.var.nonstd = 0; fbi->fb.var.activate = FB_ACTIVATE_NOW; @@ -364,16 +329,16 @@ static int wm8505fb_probe(struct platform_device *pdev) fbi->fb.var.width = -1; /* try allocating the framebuffer */ - fb_mem_len = of_mode.xres * of_mode.yres * 2 * (bpp / 8); - fb_mem_virt = dma_alloc_coherent(&pdev->dev, fb_mem_len, &fb_mem_phys, + fb_mem_len = mode.xres * mode.yres * 2 * (bpp / 8); + fb_mem_virt = dmam_alloc_coherent(&pdev->dev, fb_mem_len, &fb_mem_phys, GFP_KERNEL); if (!fb_mem_virt) { pr_err("%s: Failed to allocate framebuffer\n", __func__); return -ENOMEM; - }; + } - fbi->fb.var.xres_virtual = of_mode.xres; - fbi->fb.var.yres_virtual = of_mode.yres * 2; + fbi->fb.var.xres_virtual = mode.xres; + fbi->fb.var.yres_virtual = mode.yres * 2; fbi->fb.var.bits_per_pixel = bpp; fbi->fb.fix.smem_start = fb_mem_phys; @@ -381,28 +346,29 @@ static int wm8505fb_probe(struct platform_device *pdev) fbi->fb.screen_base = fb_mem_virt; fbi->fb.screen_size = fb_mem_len; + fbi->contrast = 0x10; + ret = wm8505fb_set_par(&fbi->fb); + if (ret) { + dev_err(&pdev->dev, "Failed to set parameters\n"); + return ret; + } + if (fb_alloc_cmap(&fbi->fb.cmap, 256, 0) < 0) { dev_err(&pdev->dev, "Failed to allocate color map\n"); - ret = -ENOMEM; - goto failed_free_io; + return -ENOMEM; } wm8505fb_init_hw(&fbi->fb); - fbi->contrast = 0x80; - ret = wm8505fb_set_par(&fbi->fb); - if (ret) { - dev_err(&pdev->dev, "Failed to set parameters\n"); - goto failed_free_cmap; - } - platform_set_drvdata(pdev, fbi); ret = register_framebuffer(&fbi->fb); if (ret < 0) { dev_err(&pdev->dev, "Failed to register framebuffer device: %d\n", ret); - goto failed_free_cmap; + if (fbi->fb.cmap.len) + fb_dealloc_cmap(&fbi->fb.cmap); + return ret; } ret = device_create_file(&pdev->dev, &dev_attr_contrast); @@ -416,25 +382,11 @@ static int wm8505fb_probe(struct platform_device *pdev) fbi->fb.fix.smem_start + fbi->fb.fix.smem_len - 1); return 0; - -failed_free_cmap: - if (fbi->fb.cmap.len) - fb_dealloc_cmap(&fbi->fb.cmap); -failed_free_io: - iounmap(fbi->regbase); -failed_free_res: - release_mem_region(res->start, resource_size(res)); -failed_fbi: - platform_set_drvdata(pdev, NULL); - kfree(fbi); -failed: - return ret; } static int wm8505fb_remove(struct platform_device *pdev) { struct wm8505fb_info *fbi = platform_get_drvdata(pdev); - struct resource *res; device_remove_file(&pdev->dev, &dev_attr_contrast); @@ -445,13 +397,6 @@ static int wm8505fb_remove(struct platform_device *pdev) if (fbi->fb.cmap.len) fb_dealloc_cmap(&fbi->fb.cmap); - iounmap(fbi->regbase); - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - release_mem_region(res->start, resource_size(res)); - - kfree(fbi); - return 0; } diff --git a/drivers/video/wmt_ge_rops.h b/drivers/video/wmt_ge_rops.h index 87380751a44..f73ec6377a4 100644 --- a/drivers/video/wmt_ge_rops.h +++ b/drivers/video/wmt_ge_rops.h @@ -1,5 +1,28 @@ +#ifdef CONFIG_FB_WMT_GE_ROPS + extern void wmt_ge_fillrect(struct fb_info *info, const struct fb_fillrect *rect); extern void wmt_ge_copyarea(struct fb_info *info, const struct fb_copyarea *area); extern int wmt_ge_sync(struct fb_info *info); + +#else + +static inline int wmt_ge_sync(struct fb_info *p) +{ + return 0; +} + +static inline void wmt_ge_fillrect(struct fb_info *p, + const struct fb_fillrect *rect) +{ + sys_fillrect(p, rect); +} + +static inline void wmt_ge_copyarea(struct fb_info *p, + const struct fb_copyarea *area) +{ + sys_copyarea(p, area); +} + +#endif |