From e6765ffa6897f7fb84469bab2e1be885c57ea519 Mon Sep 17 00:00:00 2001 From: Guennadi Liakhovetski Date: Thu, 14 Jun 2012 09:53:33 +0200 Subject: fbdev: sh_mipi_dsi: fix a section mismatch sh_mipi_setup() is called from a .text function, therefore it cannot be __init. Additionally, sh_mipi_remove() can be moved to the .devexit.text section. Signed-off-by: Guennadi Liakhovetski Signed-off-by: Laurent Pinchart --- drivers/video/sh_mipi_dsi.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/video/sh_mipi_dsi.c b/drivers/video/sh_mipi_dsi.c index 4c6b84488561..3951fdae5f68 100644 --- a/drivers/video/sh_mipi_dsi.c +++ b/drivers/video/sh_mipi_dsi.c @@ -127,8 +127,7 @@ static void sh_mipi_shutdown(struct platform_device *pdev) sh_mipi_dsi_enable(mipi, false); } -static int __init sh_mipi_setup(struct sh_mipi *mipi, - struct sh_mipi_dsi_info *pdata) +static int sh_mipi_setup(struct sh_mipi *mipi, struct sh_mipi_dsi_info *pdata) { void __iomem *base = mipi->base; struct sh_mobile_lcdc_chan_cfg *ch = pdata->lcd_chan; @@ -551,7 +550,7 @@ efindslot: return ret; } -static int __exit sh_mipi_remove(struct platform_device *pdev) +static int __devexit sh_mipi_remove(struct platform_device *pdev) { struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0); struct resource *res2 = platform_get_resource(pdev, IORESOURCE_MEM, 1); @@ -592,7 +591,7 @@ static int __exit sh_mipi_remove(struct platform_device *pdev) } static struct platform_driver sh_mipi_driver = { - .remove = __exit_p(sh_mipi_remove), + .remove = __devexit_p(sh_mipi_remove), .shutdown = sh_mipi_shutdown, .driver = { .name = "sh-mipi-dsi", -- cgit v1.2.3 From 3281e54c80195b90ed12a5b6cddef4ab42e656e1 Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Tue, 22 Nov 2011 00:56:58 +0100 Subject: fbdev: sh_mobile_lcdc: Constify sh_mobile_lcdc_fix structure The structure is only read, make it const. Signed-off-by: Laurent Pinchart --- drivers/video/sh_mobile_lcdcfb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c index e672698bd820..5461abeb5c5a 100644 --- a/drivers/video/sh_mobile_lcdcfb.c +++ b/drivers/video/sh_mobile_lcdcfb.c @@ -1003,7 +1003,7 @@ static int sh_mobile_lcdc_setcolreg(u_int regno, return 0; } -static struct fb_fix_screeninfo sh_mobile_lcdc_fix = { +static const struct fb_fix_screeninfo sh_mobile_lcdc_fix = { .id = "SH Mobile LCDC", .type = FB_TYPE_PACKED_PIXELS, .visual = FB_VISUAL_TRUECOLOR, -- cgit v1.2.3 From d7ad33421863308fe7ddf865737d4d83b64e5b81 Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Tue, 22 Nov 2011 00:56:58 +0100 Subject: fbdev: sh_mobile_lcdc: Rename fb operation handlers with a common prefix Make all fb operation handlers start with sh_mobile_lcdc_ in preparation for the multi-plane support. Signed-off-by: Laurent Pinchart --- drivers/video/sh_mobile_lcdcfb.c | 48 +++++++++++++++++++++------------------- 1 file changed, 25 insertions(+), 23 deletions(-) diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c index 5461abeb5c5a..799f87171e04 100644 --- a/drivers/video/sh_mobile_lcdcfb.c +++ b/drivers/video/sh_mobile_lcdcfb.c @@ -384,8 +384,8 @@ sh_mobile_lcdc_must_reconfigure(struct sh_mobile_lcdc_chan *ch, return true; } -static int sh_mobile_check_var(struct fb_var_screeninfo *var, - struct fb_info *info); +static int sh_mobile_lcdc_check_var(struct fb_var_screeninfo *var, + struct fb_info *info); static int sh_mobile_lcdc_display_notify(struct sh_mobile_lcdc_chan *ch, enum sh_mobile_lcdc_entity_event event, @@ -439,7 +439,7 @@ static int sh_mobile_lcdc_display_notify(struct sh_mobile_lcdc_chan *ch, fb_videomode_to_var(&var, mode); var.bits_per_pixel = info->var.bits_per_pixel; var.grayscale = info->var.grayscale; - ret = sh_mobile_check_var(&var, info); + ret = sh_mobile_lcdc_check_var(&var, info); break; } @@ -585,7 +585,7 @@ static irqreturn_t sh_mobile_lcdc_irq(int irq, void *data) return IRQ_HANDLED; } -static int sh_mobile_wait_for_vsync(struct sh_mobile_lcdc_chan *ch) +static int sh_mobile_lcdc_wait_for_vsync(struct sh_mobile_lcdc_chan *ch) { unsigned long ldintr; int ret; @@ -686,7 +686,7 @@ static void sh_mobile_lcdc_geometry(struct sh_mobile_lcdc_chan *ch) } /* - * __sh_mobile_lcdc_start - Configure and tart the LCDC + * __sh_mobile_lcdc_start - Configure and start the LCDC * @priv: LCDC device * * Configure all enabled channels and start the LCDC device. All external @@ -1035,8 +1035,8 @@ static void sh_mobile_lcdc_imageblit(struct fb_info *info, sh_mobile_lcdc_deferred_io_touch(info); } -static int sh_mobile_fb_pan_display(struct fb_var_screeninfo *var, - struct fb_info *info) +static int sh_mobile_lcdc_pan(struct fb_var_screeninfo *var, + struct fb_info *info) { struct sh_mobile_lcdc_chan *ch = info->par; struct sh_mobile_lcdc_priv *priv = ch->lcdc; @@ -1099,14 +1099,15 @@ static int sh_mobile_fb_pan_display(struct fb_var_screeninfo *var, return 0; } -static int sh_mobile_ioctl(struct fb_info *info, unsigned int cmd, - unsigned long arg) +static int sh_mobile_lcdc_ioctl(struct fb_info *info, unsigned int cmd, + unsigned long arg) { + struct sh_mobile_lcdc_chan *ch = info->par; int retval; switch (cmd) { case FBIO_WAITFORVSYNC: - retval = sh_mobile_wait_for_vsync(info->par); + retval = sh_mobile_lcdc_wait_for_vsync(ch); break; default: @@ -1158,7 +1159,7 @@ static void sh_mobile_fb_reconfig(struct fb_info *info) * Locking: both .fb_release() and .fb_open() are called with info->lock held if * user == 1, or with console sem held, if user == 0. */ -static int sh_mobile_release(struct fb_info *info, int user) +static int sh_mobile_lcdc_release(struct fb_info *info, int user) { struct sh_mobile_lcdc_chan *ch = info->par; @@ -1179,7 +1180,7 @@ static int sh_mobile_release(struct fb_info *info, int user) return 0; } -static int sh_mobile_open(struct fb_info *info, int user) +static int sh_mobile_lcdc_open(struct fb_info *info, int user) { struct sh_mobile_lcdc_chan *ch = info->par; @@ -1192,7 +1193,8 @@ static int sh_mobile_open(struct fb_info *info, int user) return 0; } -static int sh_mobile_check_var(struct fb_var_screeninfo *var, struct fb_info *info) +static int sh_mobile_lcdc_check_var(struct fb_var_screeninfo *var, + struct fb_info *info) { struct sh_mobile_lcdc_chan *ch = info->par; struct sh_mobile_lcdc_priv *p = ch->lcdc; @@ -1313,7 +1315,7 @@ static int sh_mobile_check_var(struct fb_var_screeninfo *var, struct fb_info *in return 0; } -static int sh_mobile_set_par(struct fb_info *info) +static int sh_mobile_lcdc_set_par(struct fb_info *info) { struct sh_mobile_lcdc_chan *ch = info->par; int ret; @@ -1383,8 +1385,8 @@ static int sh_mobile_lcdc_blank(int blank, struct fb_info *info) * mode will reenable the clocks and update the screen in time, * so it does not need this. */ if (!info->fbdefio) { - sh_mobile_wait_for_vsync(ch); - sh_mobile_wait_for_vsync(ch); + sh_mobile_lcdc_wait_for_vsync(ch); + sh_mobile_lcdc_wait_for_vsync(ch); } sh_mobile_lcdc_clk_off(p); } @@ -1402,12 +1404,12 @@ static struct fb_ops sh_mobile_lcdc_ops = { .fb_copyarea = sh_mobile_lcdc_copyarea, .fb_imageblit = sh_mobile_lcdc_imageblit, .fb_blank = sh_mobile_lcdc_blank, - .fb_pan_display = sh_mobile_fb_pan_display, - .fb_ioctl = sh_mobile_ioctl, - .fb_open = sh_mobile_open, - .fb_release = sh_mobile_release, - .fb_check_var = sh_mobile_check_var, - .fb_set_par = sh_mobile_set_par, + .fb_pan_display = sh_mobile_lcdc_pan, + .fb_ioctl = sh_mobile_lcdc_ioctl, + .fb_open = sh_mobile_lcdc_open, + .fb_release = sh_mobile_lcdc_release, + .fb_check_var = sh_mobile_lcdc_check_var, + .fb_set_par = sh_mobile_lcdc_set_par, }; static void @@ -1537,7 +1539,7 @@ sh_mobile_lcdc_channel_fb_init(struct sh_mobile_lcdc_chan *ch, else var->grayscale = ch->format->fourcc; - ret = sh_mobile_check_var(var, info); + ret = sh_mobile_lcdc_check_var(var, info); if (ret) return ret; -- cgit v1.2.3 From c5deac3c9b2284a64326e8799dfe7416bc619c02 Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Mon, 12 Dec 2011 18:43:16 +0100 Subject: fbdev: sh_mobile_lcdc: Implement overlays support Signed-off-by: Laurent Pinchart --- .../sysfs-devices-platform-sh_mobile_lcdc_fb | 44 + drivers/video/sh_mobile_lcdcfb.c | 932 +++++++++++++++++++-- include/video/sh_mobile_lcdc.h | 7 + 3 files changed, 911 insertions(+), 72 deletions(-) create mode 100644 Documentation/ABI/testing/sysfs-devices-platform-sh_mobile_lcdc_fb diff --git a/Documentation/ABI/testing/sysfs-devices-platform-sh_mobile_lcdc_fb b/Documentation/ABI/testing/sysfs-devices-platform-sh_mobile_lcdc_fb new file mode 100644 index 000000000000..2107082426da --- /dev/null +++ b/Documentation/ABI/testing/sysfs-devices-platform-sh_mobile_lcdc_fb @@ -0,0 +1,44 @@ +What: /sys/devices/platform/sh_mobile_lcdc_fb.[0-3]/graphics/fb[0-9]/ovl_alpha +Date: May 2012 +Contact: Laurent Pinchart +Description: + This file is only available on fb[0-9] devices corresponding + to overlay planes. + + Stores the alpha blending value for the overlay. Values range + from 0 (transparent) to 255 (opaque). The value is ignored if + the mode is not set to Alpha Blending. + +What: /sys/devices/platform/sh_mobile_lcdc_fb.[0-3]/graphics/fb[0-9]/ovl_mode +Date: May 2012 +Contact: Laurent Pinchart +Description: + This file is only available on fb[0-9] devices corresponding + to overlay planes. + + Selects the composition mode for the overlay. Possible values + are + + 0 - Alpha Blending + 1 - ROP3 + +What: /sys/devices/platform/sh_mobile_lcdc_fb.[0-3]/graphics/fb[0-9]/ovl_position +Date: May 2012 +Contact: Laurent Pinchart +Description: + This file is only available on fb[0-9] devices corresponding + to overlay planes. + + Stores the x,y overlay position on the display in pixels. The + position format is `[0-9]+,[0-9]+'. + +What: /sys/devices/platform/sh_mobile_lcdc_fb.[0-3]/graphics/fb[0-9]/ovl_rop3 +Date: May 2012 +Contact: Laurent Pinchart +Description: + This file is only available on fb[0-9] devices corresponding + to overlay planes. + + Stores the raster operation (ROP3) for the overlay. Values + range from 0 to 255. The value is ignored if the mode is not + set to ROP3. diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c index 799f87171e04..98e81b31fbc4 100644 --- a/drivers/video/sh_mobile_lcdcfb.c +++ b/drivers/video/sh_mobile_lcdcfb.c @@ -12,6 +12,7 @@ #include #include #include +#include #include #include #include @@ -32,12 +33,176 @@ #include "sh_mobile_lcdcfb.h" +/* ---------------------------------------------------------------------------- + * Overlay register definitions + */ + +#define LDBCR 0xb00 +#define LDBCR_UPC(n) (1 << ((n) + 16)) +#define LDBCR_UPF(n) (1 << ((n) + 8)) +#define LDBCR_UPD(n) (1 << ((n) + 0)) +#define LDBnBSIFR(n) (0xb20 + (n) * 0x20 + 0x00) +#define LDBBSIFR_EN (1 << 31) +#define LDBBSIFR_VS (1 << 29) +#define LDBBSIFR_BRSEL (1 << 28) +#define LDBBSIFR_MX (1 << 27) +#define LDBBSIFR_MY (1 << 26) +#define LDBBSIFR_CV3 (3 << 24) +#define LDBBSIFR_CV2 (2 << 24) +#define LDBBSIFR_CV1 (1 << 24) +#define LDBBSIFR_CV0 (0 << 24) +#define LDBBSIFR_CV_MASK (3 << 24) +#define LDBBSIFR_LAY_MASK (0xff << 16) +#define LDBBSIFR_LAY_SHIFT 16 +#define LDBBSIFR_ROP3_MASK (0xff << 16) +#define LDBBSIFR_ROP3_SHIFT 16 +#define LDBBSIFR_AL_PL8 (3 << 14) +#define LDBBSIFR_AL_PL1 (2 << 14) +#define LDBBSIFR_AL_PK (1 << 14) +#define LDBBSIFR_AL_1 (0 << 14) +#define LDBBSIFR_AL_MASK (3 << 14) +#define LDBBSIFR_SWPL (1 << 10) +#define LDBBSIFR_SWPW (1 << 9) +#define LDBBSIFR_SWPB (1 << 8) +#define LDBBSIFR_RY (1 << 7) +#define LDBBSIFR_CHRR_420 (2 << 0) +#define LDBBSIFR_CHRR_422 (1 << 0) +#define LDBBSIFR_CHRR_444 (0 << 0) +#define LDBBSIFR_RPKF_ARGB32 (0x00 << 0) +#define LDBBSIFR_RPKF_RGB16 (0x03 << 0) +#define LDBBSIFR_RPKF_RGB24 (0x0b << 0) +#define LDBBSIFR_RPKF_MASK (0x1f << 0) +#define LDBnBSSZR(n) (0xb20 + (n) * 0x20 + 0x04) +#define LDBBSSZR_BVSS_MASK (0xfff << 16) +#define LDBBSSZR_BVSS_SHIFT 16 +#define LDBBSSZR_BHSS_MASK (0xfff << 0) +#define LDBBSSZR_BHSS_SHIFT 0 +#define LDBnBLOCR(n) (0xb20 + (n) * 0x20 + 0x08) +#define LDBBLOCR_CVLC_MASK (0xfff << 16) +#define LDBBLOCR_CVLC_SHIFT 16 +#define LDBBLOCR_CHLC_MASK (0xfff << 0) +#define LDBBLOCR_CHLC_SHIFT 0 +#define LDBnBSMWR(n) (0xb20 + (n) * 0x20 + 0x0c) +#define LDBBSMWR_BSMWA_MASK (0xffff << 16) +#define LDBBSMWR_BSMWA_SHIFT 16 +#define LDBBSMWR_BSMW_MASK (0xffff << 0) +#define LDBBSMWR_BSMW_SHIFT 0 +#define LDBnBSAYR(n) (0xb20 + (n) * 0x20 + 0x10) +#define LDBBSAYR_FG1A_MASK (0xff << 24) +#define LDBBSAYR_FG1A_SHIFT 24 +#define LDBBSAYR_FG1R_MASK (0xff << 16) +#define LDBBSAYR_FG1R_SHIFT 16 +#define LDBBSAYR_FG1G_MASK (0xff << 8) +#define LDBBSAYR_FG1G_SHIFT 8 +#define LDBBSAYR_FG1B_MASK (0xff << 0) +#define LDBBSAYR_FG1B_SHIFT 0 +#define LDBnBSACR(n) (0xb20 + (n) * 0x20 + 0x14) +#define LDBBSACR_FG2A_MASK (0xff << 24) +#define LDBBSACR_FG2A_SHIFT 24 +#define LDBBSACR_FG2R_MASK (0xff << 16) +#define LDBBSACR_FG2R_SHIFT 16 +#define LDBBSACR_FG2G_MASK (0xff << 8) +#define LDBBSACR_FG2G_SHIFT 8 +#define LDBBSACR_FG2B_MASK (0xff << 0) +#define LDBBSACR_FG2B_SHIFT 0 +#define LDBnBSAAR(n) (0xb20 + (n) * 0x20 + 0x18) +#define LDBBSAAR_AP_MASK (0xff << 24) +#define LDBBSAAR_AP_SHIFT 24 +#define LDBBSAAR_R_MASK (0xff << 16) +#define LDBBSAAR_R_SHIFT 16 +#define LDBBSAAR_GY_MASK (0xff << 8) +#define LDBBSAAR_GY_SHIFT 8 +#define LDBBSAAR_B_MASK (0xff << 0) +#define LDBBSAAR_B_SHIFT 0 +#define LDBnBPPCR(n) (0xb20 + (n) * 0x20 + 0x1c) +#define LDBBPPCR_AP_MASK (0xff << 24) +#define LDBBPPCR_AP_SHIFT 24 +#define LDBBPPCR_R_MASK (0xff << 16) +#define LDBBPPCR_R_SHIFT 16 +#define LDBBPPCR_GY_MASK (0xff << 8) +#define LDBBPPCR_GY_SHIFT 8 +#define LDBBPPCR_B_MASK (0xff << 0) +#define LDBBPPCR_B_SHIFT 0 +#define LDBnBBGCL(n) (0xb10 + (n) * 0x04) +#define LDBBBGCL_BGA_MASK (0xff << 24) +#define LDBBBGCL_BGA_SHIFT 24 +#define LDBBBGCL_BGR_MASK (0xff << 16) +#define LDBBBGCL_BGR_SHIFT 16 +#define LDBBBGCL_BGG_MASK (0xff << 8) +#define LDBBBGCL_BGG_SHIFT 8 +#define LDBBBGCL_BGB_MASK (0xff << 0) +#define LDBBBGCL_BGB_SHIFT 0 + #define SIDE_B_OFFSET 0x1000 #define MIRROR_OFFSET 0x2000 #define MAX_XRES 1920 #define MAX_YRES 1080 +enum sh_mobile_lcdc_overlay_mode { + LCDC_OVERLAY_BLEND, + LCDC_OVERLAY_ROP3, +}; + +/* + * struct sh_mobile_lcdc_overlay - LCDC display overlay + * + * @channel: LCDC channel this overlay belongs to + * @cfg: Overlay configuration + * @info: Frame buffer device + * @index: Overlay index (0-3) + * @base: Overlay registers base address + * @enabled: True if the overlay is enabled + * @mode: Overlay blending mode (alpha blend or ROP3) + * @alpha: Global alpha blending value (0-255, for alpha blending mode) + * @rop3: Raster operation (for ROP3 mode) + * @fb_mem: Frame buffer virtual memory address + * @fb_size: Frame buffer size in bytes + * @dma_handle: Frame buffer DMA address + * @base_addr_y: Overlay base address (RGB or luma component) + * @base_addr_c: Overlay base address (chroma component) + * @pan_offset: Current pan offset in bytes + * @format: Current pixelf format + * @xres: Horizontal visible resolution + * @xres_virtual: Horizontal total resolution + * @yres: Vertical visible resolution + * @yres_virtual: Vertical total resolution + * @pitch: Overlay line pitch + * @pos_x: Horizontal overlay position + * @pos_y: Vertical overlay position + */ +struct sh_mobile_lcdc_overlay { + struct sh_mobile_lcdc_chan *channel; + + const struct sh_mobile_lcdc_overlay_cfg *cfg; + struct fb_info *info; + + unsigned int index; + unsigned long base; + + bool enabled; + enum sh_mobile_lcdc_overlay_mode mode; + unsigned int alpha; + unsigned int rop3; + + void *fb_mem; + unsigned long fb_size; + + dma_addr_t dma_handle; + unsigned long base_addr_y; + unsigned long base_addr_c; + unsigned long pan_offset; + + const struct sh_mobile_lcdc_format_info *format; + unsigned int xres; + unsigned int xres_virtual; + unsigned int yres; + unsigned int yres_virtual; + unsigned int pitch; + int pos_x; + int pos_y; +}; + struct sh_mobile_lcdc_priv { void __iomem *base; int irq; @@ -45,7 +210,10 @@ struct sh_mobile_lcdc_priv { struct device *dev; struct clk *dot_clk; unsigned long lddckr; + struct sh_mobile_lcdc_chan ch[2]; + struct sh_mobile_lcdc_overlay overlays[4]; + struct notifier_block notifier; int started; int forced_fourcc; /* 2 channel LCDC must share fourcc setting */ @@ -141,6 +309,13 @@ static unsigned long lcdc_read_chan(struct sh_mobile_lcdc_chan *chan, return ioread32(chan->lcdc->base + chan->reg_offs[reg_nr]); } +static void lcdc_write_overlay(struct sh_mobile_lcdc_overlay *ovl, + int reg, unsigned long data) +{ + iowrite32(data, ovl->channel->lcdc->base + reg); + iowrite32(data, ovl->channel->lcdc->base + reg + SIDE_B_OFFSET); +} + static void lcdc_write(struct sh_mobile_lcdc_priv *priv, unsigned long reg_offs, unsigned long data) { @@ -685,6 +860,96 @@ static void sh_mobile_lcdc_geometry(struct sh_mobile_lcdc_chan *ch) lcdc_write_chan(ch, LDHAJR, tmp); } +static void sh_mobile_lcdc_overlay_setup(struct sh_mobile_lcdc_overlay *ovl) +{ + u32 format = 0; + + if (!ovl->enabled) { + lcdc_write(ovl->channel->lcdc, LDBCR, LDBCR_UPC(ovl->index)); + lcdc_write_overlay(ovl, LDBnBSIFR(ovl->index), 0); + lcdc_write(ovl->channel->lcdc, LDBCR, + LDBCR_UPF(ovl->index) | LDBCR_UPD(ovl->index)); + return; + } + + ovl->base_addr_y = ovl->dma_handle; + ovl->base_addr_c = ovl->base_addr_y + ovl->xres + * ovl->yres_virtual; + + switch (ovl->mode) { + case LCDC_OVERLAY_BLEND: + format = LDBBSIFR_EN | (ovl->alpha << LDBBSIFR_LAY_SHIFT); + break; + + case LCDC_OVERLAY_ROP3: + format = LDBBSIFR_EN | LDBBSIFR_BRSEL + | (ovl->rop3 << LDBBSIFR_ROP3_SHIFT); + break; + } + + switch (ovl->format->fourcc) { + case V4L2_PIX_FMT_RGB565: + case V4L2_PIX_FMT_NV21: + case V4L2_PIX_FMT_NV61: + case V4L2_PIX_FMT_NV42: + format |= LDBBSIFR_SWPL | LDBBSIFR_SWPW; + break; + case V4L2_PIX_FMT_BGR24: + case V4L2_PIX_FMT_NV12: + case V4L2_PIX_FMT_NV16: + case V4L2_PIX_FMT_NV24: + format |= LDBBSIFR_SWPL | LDBBSIFR_SWPW | LDBBSIFR_SWPB; + break; + case V4L2_PIX_FMT_BGR32: + default: + format |= LDBBSIFR_SWPL; + break; + } + + switch (ovl->format->fourcc) { + case V4L2_PIX_FMT_RGB565: + format |= LDBBSIFR_AL_1 | LDBBSIFR_RY | LDBBSIFR_RPKF_RGB16; + break; + case V4L2_PIX_FMT_BGR24: + format |= LDBBSIFR_AL_1 | LDBBSIFR_RY | LDBBSIFR_RPKF_RGB24; + break; + case V4L2_PIX_FMT_BGR32: + format |= LDBBSIFR_AL_PK | LDBBSIFR_RY | LDDFR_PKF_ARGB32; + break; + case V4L2_PIX_FMT_NV12: + case V4L2_PIX_FMT_NV21: + format |= LDBBSIFR_AL_1 | LDBBSIFR_CHRR_420; + break; + case V4L2_PIX_FMT_NV16: + case V4L2_PIX_FMT_NV61: + format |= LDBBSIFR_AL_1 | LDBBSIFR_CHRR_422; + break; + case V4L2_PIX_FMT_NV24: + case V4L2_PIX_FMT_NV42: + format |= LDBBSIFR_AL_1 | LDBBSIFR_CHRR_444; + break; + } + + lcdc_write(ovl->channel->lcdc, LDBCR, LDBCR_UPC(ovl->index)); + + lcdc_write_overlay(ovl, LDBnBSIFR(ovl->index), format); + + lcdc_write_overlay(ovl, LDBnBSSZR(ovl->index), + (ovl->yres << LDBBSSZR_BVSS_SHIFT) | + (ovl->xres << LDBBSSZR_BHSS_SHIFT)); + lcdc_write_overlay(ovl, LDBnBLOCR(ovl->index), + (ovl->pos_y << LDBBLOCR_CVLC_SHIFT) | + (ovl->pos_x << LDBBLOCR_CHLC_SHIFT)); + lcdc_write_overlay(ovl, LDBnBSMWR(ovl->index), + ovl->pitch << LDBBSMWR_BSMW_SHIFT); + + lcdc_write_overlay(ovl, LDBnBSAYR(ovl->index), ovl->base_addr_y); + lcdc_write_overlay(ovl, LDBnBSACR(ovl->index), ovl->base_addr_c); + + lcdc_write(ovl->channel->lcdc, LDBCR, + LDBCR_UPF(ovl->index) | LDBCR_UPD(ovl->index)); +} + /* * __sh_mobile_lcdc_start - Configure and start the LCDC * @priv: LCDC device @@ -892,6 +1157,11 @@ static int sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv) } } + for (k = 0; k < ARRAY_SIZE(priv->overlays); ++k) { + struct sh_mobile_lcdc_overlay *ovl = &priv->overlays[k]; + sh_mobile_lcdc_overlay_setup(ovl); + } + /* Start the LCDC. */ __sh_mobile_lcdc_start(priv); @@ -975,8 +1245,506 @@ static void sh_mobile_lcdc_stop(struct sh_mobile_lcdc_priv *priv) sh_mobile_lcdc_clk_off(priv); } +static int __sh_mobile_lcdc_check_var(struct fb_var_screeninfo *var, + struct fb_info *info) +{ + if (var->xres > MAX_XRES || var->yres > MAX_YRES) + return -EINVAL; + + /* Make sure the virtual resolution is at least as big as the visible + * resolution. + */ + if (var->xres_virtual < var->xres) + var->xres_virtual = var->xres; + if (var->yres_virtual < var->yres) + var->yres_virtual = var->yres; + + if (sh_mobile_format_is_fourcc(var)) { + const struct sh_mobile_lcdc_format_info *format; + + format = sh_mobile_format_info(var->grayscale); + if (format == NULL) + return -EINVAL; + var->bits_per_pixel = format->bpp; + + /* Default to RGB and JPEG color-spaces for RGB and YUV formats + * respectively. + */ + if (!format->yuv) + var->colorspace = V4L2_COLORSPACE_SRGB; + else if (var->colorspace != V4L2_COLORSPACE_REC709) + var->colorspace = V4L2_COLORSPACE_JPEG; + } else { + if (var->bits_per_pixel <= 16) { /* RGB 565 */ + var->bits_per_pixel = 16; + var->red.offset = 11; + var->red.length = 5; + var->green.offset = 5; + var->green.length = 6; + var->blue.offset = 0; + var->blue.length = 5; + var->transp.offset = 0; + var->transp.length = 0; + } else if (var->bits_per_pixel <= 24) { /* RGB 888 */ + var->bits_per_pixel = 24; + var->red.offset = 16; + var->red.length = 8; + var->green.offset = 8; + var->green.length = 8; + var->blue.offset = 0; + var->blue.length = 8; + var->transp.offset = 0; + var->transp.length = 0; + } else if (var->bits_per_pixel <= 32) { /* RGBA 888 */ + var->bits_per_pixel = 32; + var->red.offset = 16; + var->red.length = 8; + var->green.offset = 8; + var->green.length = 8; + var->blue.offset = 0; + var->blue.length = 8; + var->transp.offset = 24; + var->transp.length = 8; + } else + return -EINVAL; + + var->red.msb_right = 0; + var->green.msb_right = 0; + var->blue.msb_right = 0; + var->transp.msb_right = 0; + } + + /* Make sure we don't exceed our allocated memory. */ + if (var->xres_virtual * var->yres_virtual * var->bits_per_pixel / 8 > + info->fix.smem_len) + return -EINVAL; + + return 0; +} + +/* ----------------------------------------------------------------------------- + * Frame buffer operations - Overlays + */ + +static ssize_t +overlay_alpha_show(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct fb_info *info = dev_get_drvdata(dev); + struct sh_mobile_lcdc_overlay *ovl = info->par; + + return scnprintf(buf, PAGE_SIZE, "%u\n", ovl->alpha); +} + +static ssize_t +overlay_alpha_store(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct fb_info *info = dev_get_drvdata(dev); + struct sh_mobile_lcdc_overlay *ovl = info->par; + unsigned int alpha; + char *endp; + + alpha = simple_strtoul(buf, &endp, 10); + if (isspace(*endp)) + endp++; + + if (endp - buf != count) + return -EINVAL; + + if (alpha > 255) + return -EINVAL; + + if (ovl->alpha != alpha) { + ovl->alpha = alpha; + + if (ovl->mode == LCDC_OVERLAY_BLEND && ovl->enabled) + sh_mobile_lcdc_overlay_setup(ovl); + } + + return count; +} + +static ssize_t +overlay_mode_show(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct fb_info *info = dev_get_drvdata(dev); + struct sh_mobile_lcdc_overlay *ovl = info->par; + + return scnprintf(buf, PAGE_SIZE, "%u\n", ovl->mode); +} + +static ssize_t +overlay_mode_store(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct fb_info *info = dev_get_drvdata(dev); + struct sh_mobile_lcdc_overlay *ovl = info->par; + unsigned int mode; + char *endp; + + mode = simple_strtoul(buf, &endp, 10); + if (isspace(*endp)) + endp++; + + if (endp - buf != count) + return -EINVAL; + + if (mode != LCDC_OVERLAY_BLEND && mode != LCDC_OVERLAY_ROP3) + return -EINVAL; + + if (ovl->mode != mode) { + ovl->mode = mode; + + if (ovl->enabled) + sh_mobile_lcdc_overlay_setup(ovl); + } + + return count; +} + +static ssize_t +overlay_position_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct fb_info *info = dev_get_drvdata(dev); + struct sh_mobile_lcdc_overlay *ovl = info->par; + + return scnprintf(buf, PAGE_SIZE, "%d,%d\n", ovl->pos_x, ovl->pos_y); +} + +static ssize_t +overlay_position_store(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct fb_info *info = dev_get_drvdata(dev); + struct sh_mobile_lcdc_overlay *ovl = info->par; + char *endp; + int pos_x; + int pos_y; + + pos_x = simple_strtol(buf, &endp, 10); + if (*endp != ',') + return -EINVAL; + + pos_y = simple_strtol(endp + 1, &endp, 10); + if (isspace(*endp)) + endp++; + + if (endp - buf != count) + return -EINVAL; + + if (ovl->pos_x != pos_x || ovl->pos_y != pos_y) { + ovl->pos_x = pos_x; + ovl->pos_y = pos_y; + + if (ovl->enabled) + sh_mobile_lcdc_overlay_setup(ovl); + } + + return count; +} + +static ssize_t +overlay_rop3_show(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct fb_info *info = dev_get_drvdata(dev); + struct sh_mobile_lcdc_overlay *ovl = info->par; + + return scnprintf(buf, PAGE_SIZE, "%u\n", ovl->rop3); +} + +static ssize_t +overlay_rop3_store(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct fb_info *info = dev_get_drvdata(dev); + struct sh_mobile_lcdc_overlay *ovl = info->par; + unsigned int rop3; + char *endp; + + rop3 = !!simple_strtoul(buf, &endp, 10); + if (isspace(*endp)) + endp++; + + if (endp - buf != count) + return -EINVAL; + + if (rop3 > 255) + return -EINVAL; + + if (ovl->rop3 != rop3) { + ovl->rop3 = rop3; + + if (ovl->mode == LCDC_OVERLAY_ROP3 && ovl->enabled) + sh_mobile_lcdc_overlay_setup(ovl); + } + + return count; +} + +static const struct device_attribute overlay_sysfs_attrs[] = { + __ATTR(ovl_alpha, S_IRUGO|S_IWUSR, + overlay_alpha_show, overlay_alpha_store), + __ATTR(ovl_mode, S_IRUGO|S_IWUSR, + overlay_mode_show, overlay_mode_store), + __ATTR(ovl_position, S_IRUGO|S_IWUSR, + overlay_position_show, overlay_position_store), + __ATTR(ovl_rop3, S_IRUGO|S_IWUSR, + overlay_rop3_show, overlay_rop3_store), +}; + +static const struct fb_fix_screeninfo sh_mobile_lcdc_overlay_fix = { + .id = "SH Mobile LCDC", + .type = FB_TYPE_PACKED_PIXELS, + .visual = FB_VISUAL_TRUECOLOR, + .accel = FB_ACCEL_NONE, + .xpanstep = 0, + .ypanstep = 1, + .ywrapstep = 0, + .capabilities = FB_CAP_FOURCC, +}; + +static int sh_mobile_lcdc_overlay_pan(struct fb_var_screeninfo *var, + struct fb_info *info) +{ + struct sh_mobile_lcdc_overlay *ovl = info->par; + unsigned long base_addr_y; + unsigned long base_addr_c; + unsigned long pan_offset; + unsigned long c_offset; + + if (!ovl->format->yuv) + pan_offset = var->yoffset * ovl->pitch + + var->xoffset * (ovl->format->bpp / 8); + else + pan_offset = var->yoffset * ovl->pitch + var->xoffset; + + if (pan_offset == ovl->pan_offset) + return 0; /* No change, do nothing */ + + /* Set the source address for the next refresh */ + base_addr_y = ovl->dma_handle + pan_offset; + + ovl->base_addr_y = base_addr_y; + ovl->base_addr_c = base_addr_y; + + if (ovl->format->yuv) { + /* Set Y offset */ + c_offset = var->yoffset * ovl->pitch + * (ovl->format->bpp - 8) / 8; + base_addr_c = ovl->dma_handle + + ovl->xres * ovl->yres_virtual + + c_offset; + /* Set X offset */ + if (ovl->format->fourcc == V4L2_PIX_FMT_NV24) + base_addr_c += 2 * var->xoffset; + else + base_addr_c += var->xoffset; + + ovl->base_addr_c = base_addr_c; + } + + lcdc_write_overlay(ovl, LDBnBSAYR(ovl->index), ovl->base_addr_y); + lcdc_write_overlay(ovl, LDBnBSACR(ovl->index), ovl->base_addr_c); + + ovl->pan_offset = pan_offset; + + return 0; +} + +static int sh_mobile_lcdc_overlay_ioctl(struct fb_info *info, unsigned int cmd, + unsigned long arg) +{ + struct sh_mobile_lcdc_overlay *ovl = info->par; + + switch (cmd) { + case FBIO_WAITFORVSYNC: + return sh_mobile_lcdc_wait_for_vsync(ovl->channel); + + default: + return -ENOIOCTLCMD; + } +} + +static int sh_mobile_lcdc_overlay_check_var(struct fb_var_screeninfo *var, + struct fb_info *info) +{ + return __sh_mobile_lcdc_check_var(var, info); +} + +static int sh_mobile_lcdc_overlay_set_par(struct fb_info *info) +{ + struct sh_mobile_lcdc_overlay *ovl = info->par; + + ovl->format = + sh_mobile_format_info(sh_mobile_format_fourcc(&info->var)); + + ovl->xres = info->var.xres; + ovl->xres_virtual = info->var.xres_virtual; + ovl->yres = info->var.yres; + ovl->yres_virtual = info->var.yres_virtual; + + if (ovl->format->yuv) + ovl->pitch = info->var.xres; + else + ovl->pitch = info->var.xres * ovl->format->bpp / 8; + + sh_mobile_lcdc_overlay_setup(ovl); + + info->fix.line_length = ovl->pitch; + + if (sh_mobile_format_is_fourcc(&info->var)) { + info->fix.type = FB_TYPE_FOURCC; + info->fix.visual = FB_VISUAL_FOURCC; + } else { + info->fix.type = FB_TYPE_PACKED_PIXELS; + info->fix.visual = FB_VISUAL_TRUECOLOR; + } + + return 0; +} + +/* Overlay blanking. Disable the overlay when blanked. */ +static int sh_mobile_lcdc_overlay_blank(int blank, struct fb_info *info) +{ + struct sh_mobile_lcdc_overlay *ovl = info->par; + + ovl->enabled = !blank; + sh_mobile_lcdc_overlay_setup(ovl); + + /* Prevent the backlight from receiving a blanking event by returning + * a non-zero value. + */ + return 1; +} + +static struct fb_ops sh_mobile_lcdc_overlay_ops = { + .owner = THIS_MODULE, + .fb_read = fb_sys_read, + .fb_write = fb_sys_write, + .fb_fillrect = sys_fillrect, + .fb_copyarea = sys_copyarea, + .fb_imageblit = sys_imageblit, + .fb_blank = sh_mobile_lcdc_overlay_blank, + .fb_pan_display = sh_mobile_lcdc_overlay_pan, + .fb_ioctl = sh_mobile_lcdc_overlay_ioctl, + .fb_check_var = sh_mobile_lcdc_overlay_check_var, + .fb_set_par = sh_mobile_lcdc_overlay_set_par, +}; + +static void +sh_mobile_lcdc_overlay_fb_unregister(struct sh_mobile_lcdc_overlay *ovl) +{ + struct fb_info *info = ovl->info; + + if (info == NULL || info->dev == NULL) + return; + + unregister_framebuffer(ovl->info); +} + +static int __devinit +sh_mobile_lcdc_overlay_fb_register(struct sh_mobile_lcdc_overlay *ovl) +{ + struct sh_mobile_lcdc_priv *lcdc = ovl->channel->lcdc; + struct fb_info *info = ovl->info; + unsigned int i; + int ret; + + if (info == NULL) + return 0; + + ret = register_framebuffer(info); + if (ret < 0) + return ret; + + dev_info(lcdc->dev, "registered %s/overlay %u as %dx%d %dbpp.\n", + dev_name(lcdc->dev), ovl->index, info->var.xres, + info->var.yres, info->var.bits_per_pixel); + + for (i = 0; i < ARRAY_SIZE(overlay_sysfs_attrs); ++i) { + ret = device_create_file(info->dev, &overlay_sysfs_attrs[i]); + if (ret < 0) + return ret; + } + + return 0; +} + +static void +sh_mobile_lcdc_overlay_fb_cleanup(struct sh_mobile_lcdc_overlay *ovl) +{ + struct fb_info *info = ovl->info; + + if (info == NULL || info->device == NULL) + return; + + framebuffer_release(info); +} + +static int __devinit +sh_mobile_lcdc_overlay_fb_init(struct sh_mobile_lcdc_overlay *ovl) +{ + struct sh_mobile_lcdc_priv *priv = ovl->channel->lcdc; + struct fb_var_screeninfo *var; + struct fb_info *info; + + /* Allocate and initialize the frame buffer device. */ + info = framebuffer_alloc(0, priv->dev); + if (info == NULL) { + dev_err(priv->dev, "unable to allocate fb_info\n"); + return -ENOMEM; + } + + ovl->info = info; + + info->flags = FBINFO_FLAG_DEFAULT; + info->fbops = &sh_mobile_lcdc_overlay_ops; + info->device = priv->dev; + info->screen_base = ovl->fb_mem; + info->par = ovl; + + /* Initialize fixed screen information. Restrict pan to 2 lines steps + * for NV12 and NV21. + */ + info->fix = sh_mobile_lcdc_overlay_fix; + snprintf(info->fix.id, sizeof(info->fix.id), + "SH Mobile LCDC Overlay %u", ovl->index); + info->fix.smem_start = ovl->dma_handle; + info->fix.smem_len = ovl->fb_size; + info->fix.line_length = ovl->pitch; + + if (ovl->format->yuv) + info->fix.visual = FB_VISUAL_FOURCC; + else + info->fix.visual = FB_VISUAL_TRUECOLOR; + + if (ovl->format->fourcc == V4L2_PIX_FMT_NV12 || + ovl->format->fourcc == V4L2_PIX_FMT_NV21) + info->fix.ypanstep = 2; + + /* Initialize variable screen information. */ + var = &info->var; + memset(var, 0, sizeof(*var)); + var->xres = ovl->xres; + var->yres = ovl->yres; + var->xres_virtual = ovl->xres_virtual; + var->yres_virtual = ovl->yres_virtual; + var->activate = FB_ACTIVATE_NOW; + + /* Use the legacy API by default for RGB formats, and the FOURCC API + * for YUV formats. + */ + if (!ovl->format->yuv) + var->bits_per_pixel = ovl->format->bpp; + else + var->grayscale = ovl->format->fourcc; + + return sh_mobile_lcdc_overlay_check_var(var, info); +} + /* ----------------------------------------------------------------------------- - * Frame buffer operations + * Frame buffer operations - main frame buffer */ static int sh_mobile_lcdc_setcolreg(u_int regno, @@ -1202,9 +1970,7 @@ static int sh_mobile_lcdc_check_var(struct fb_var_screeninfo *var, unsigned int best_xres = 0; unsigned int best_yres = 0; unsigned int i; - - if (var->xres > MAX_XRES || var->yres > MAX_YRES) - return -EINVAL; + int ret; /* If board code provides us with a list of available modes, make sure * we use one of them. Find the mode closest to the requested one. The @@ -1239,73 +2005,9 @@ static int sh_mobile_lcdc_check_var(struct fb_var_screeninfo *var, var->yres = best_yres; } - /* Make sure the virtual resolution is at least as big as the visible - * resolution. - */ - if (var->xres_virtual < var->xres) - var->xres_virtual = var->xres; - if (var->yres_virtual < var->yres) - var->yres_virtual = var->yres; - - if (sh_mobile_format_is_fourcc(var)) { - const struct sh_mobile_lcdc_format_info *format; - - format = sh_mobile_format_info(var->grayscale); - if (format == NULL) - return -EINVAL; - var->bits_per_pixel = format->bpp; - - /* Default to RGB and JPEG color-spaces for RGB and YUV formats - * respectively. - */ - if (!format->yuv) - var->colorspace = V4L2_COLORSPACE_SRGB; - else if (var->colorspace != V4L2_COLORSPACE_REC709) - var->colorspace = V4L2_COLORSPACE_JPEG; - } else { - if (var->bits_per_pixel <= 16) { /* RGB 565 */ - var->bits_per_pixel = 16; - var->red.offset = 11; - var->red.length = 5; - var->green.offset = 5; - var->green.length = 6; - var->blue.offset = 0; - var->blue.length = 5; - var->transp.offset = 0; - var->transp.length = 0; - } else if (var->bits_per_pixel <= 24) { /* RGB 888 */ - var->bits_per_pixel = 24; - var->red.offset = 16; - var->red.length = 8; - var->green.offset = 8; - var->green.length = 8; - var->blue.offset = 0; - var->blue.length = 8; - var->transp.offset = 0; - var->transp.length = 0; - } else if (var->bits_per_pixel <= 32) { /* RGBA 888 */ - var->bits_per_pixel = 32; - var->red.offset = 16; - var->red.length = 8; - var->green.offset = 8; - var->green.length = 8; - var->blue.offset = 0; - var->blue.length = 8; - var->transp.offset = 24; - var->transp.length = 8; - } else - return -EINVAL; - - var->red.msb_right = 0; - var->green.msb_right = 0; - var->blue.msb_right = 0; - var->transp.msb_right = 0; - } - - /* Make sure we don't exceed our allocated memory. */ - if (var->xres_virtual * var->yres_virtual * var->bits_per_pixel / 8 > - info->fix.smem_len) - return -EINVAL; + ret = __sh_mobile_lcdc_check_var(var, info); + if (ret < 0) + return ret; /* only accept the forced_fourcc for dual channel configurations */ if (p->forced_fourcc && @@ -1714,15 +2416,27 @@ static const struct fb_videomode default_720p __devinitconst = { static int sh_mobile_lcdc_remove(struct platform_device *pdev) { struct sh_mobile_lcdc_priv *priv = platform_get_drvdata(pdev); - int i; + unsigned int i; fb_unregister_client(&priv->notifier); + for (i = 0; i < ARRAY_SIZE(priv->overlays); i++) + sh_mobile_lcdc_overlay_fb_unregister(&priv->overlays[i]); for (i = 0; i < ARRAY_SIZE(priv->ch); i++) sh_mobile_lcdc_channel_fb_unregister(&priv->ch[i]); sh_mobile_lcdc_stop(priv); + for (i = 0; i < ARRAY_SIZE(priv->overlays); i++) { + struct sh_mobile_lcdc_overlay *ovl = &priv->overlays[i]; + + sh_mobile_lcdc_overlay_fb_cleanup(ovl); + + if (ovl->fb_mem) + dma_free_coherent(&pdev->dev, ovl->fb_size, + ovl->fb_mem, ovl->dma_handle); + } + for (i = 0; i < ARRAY_SIZE(priv->ch); i++) { struct sh_mobile_lcdc_chan *ch = &priv->ch[i]; @@ -1797,6 +2511,61 @@ static int __devinit sh_mobile_lcdc_check_interface(struct sh_mobile_lcdc_chan * return 0; } +static int __devinit +sh_mobile_lcdc_overlay_init(struct sh_mobile_lcdc_priv *priv, + struct sh_mobile_lcdc_overlay *ovl) +{ + const struct sh_mobile_lcdc_format_info *format; + int ret; + + if (ovl->cfg->fourcc == 0) + return 0; + + /* Validate the format. */ + format = sh_mobile_format_info(ovl->cfg->fourcc); + if (format == NULL) { + dev_err(priv->dev, "Invalid FOURCC %08x\n", ovl->cfg->fourcc); + return -EINVAL; + } + + ovl->enabled = false; + ovl->mode = LCDC_OVERLAY_BLEND; + ovl->alpha = 255; + ovl->rop3 = 0; + ovl->pos_x = 0; + ovl->pos_y = 0; + + /* The default Y virtual resolution is twice the panel size to allow for + * double-buffering. + */ + ovl->format = format; + ovl->xres = ovl->cfg->max_xres; + ovl->xres_virtual = ovl->xres; + ovl->yres = ovl->cfg->max_yres; + ovl->yres_virtual = ovl->yres * 2; + + if (!format->yuv) + ovl->pitch = ovl->xres * format->bpp / 8; + else + ovl->pitch = ovl->xres; + + /* Allocate frame buffer memory. */ + ovl->fb_size = ovl->cfg->max_xres * ovl->cfg->max_yres + * format->bpp / 8 * 2; + ovl->fb_mem = dma_alloc_coherent(priv->dev, ovl->fb_size, + &ovl->dma_handle, GFP_KERNEL); + if (!ovl->fb_mem) { + dev_err(priv->dev, "unable to allocate buffer\n"); + return -ENOMEM; + } + + ret = sh_mobile_lcdc_overlay_fb_init(ovl); + if (ret < 0) + return ret; + + return 0; +} + static int __devinit sh_mobile_lcdc_channel_init(struct sh_mobile_lcdc_priv *priv, struct sh_mobile_lcdc_chan *ch) @@ -2005,6 +2774,17 @@ static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev) goto err1; } + for (i = 0; i < ARRAY_SIZE(pdata->overlays); i++) { + struct sh_mobile_lcdc_overlay *ovl = &priv->overlays[i]; + + ovl->cfg = &pdata->overlays[i]; + ovl->channel = &priv->ch[0]; + + error = sh_mobile_lcdc_overlay_init(priv, ovl); + if (error) + goto err1; + } + error = sh_mobile_lcdc_start(priv); if (error) { dev_err(&pdev->dev, "unable to start hardware\n"); @@ -2019,6 +2799,14 @@ static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev) goto err1; } + for (i = 0; i < ARRAY_SIZE(pdata->overlays); i++) { + struct sh_mobile_lcdc_overlay *ovl = &priv->overlays[i]; + + error = sh_mobile_lcdc_overlay_fb_register(ovl); + if (error) + goto err1; + } + /* Failure ignored */ priv->notifier.notifier_call = sh_mobile_lcdc_notify; fb_register_client(&priv->notifier); diff --git a/include/video/sh_mobile_lcdc.h b/include/video/sh_mobile_lcdc.h index 7571b27a0ba1..ff43ffc1aab2 100644 --- a/include/video/sh_mobile_lcdc.h +++ b/include/video/sh_mobile_lcdc.h @@ -166,6 +166,12 @@ struct sh_mobile_lcdc_bl_info { int (*get_brightness)(void); }; +struct sh_mobile_lcdc_overlay_cfg { + int fourcc; + unsigned int max_xres; + unsigned int max_yres; +}; + struct sh_mobile_lcdc_chan_cfg { int chan; int fourcc; @@ -186,6 +192,7 @@ struct sh_mobile_lcdc_chan_cfg { struct sh_mobile_lcdc_info { int clock_source; struct sh_mobile_lcdc_chan_cfg ch[2]; + struct sh_mobile_lcdc_overlay_cfg overlays[4]; struct sh_mobile_meram_info *meram_dev; }; -- cgit v1.2.3 From 64c43dfa8636a8b7c8f40e8f93eb91aca049f8bb Mon Sep 17 00:00:00 2001 From: Jingoo Han Date: Wed, 20 Jun 2012 10:25:48 +0900 Subject: video: exynos_dp: fix build warning due to uninitialized value This patch fixes build warning due to uninitialized value dereference. drivers/video/exynos/exynos_dp_core.c: In function 'exynos_dp_set_link_train': drivers/video/exynos/exynos_dp_core.c:529:18: warning: 'reg' may be used uninitialized in this function [-Wuninitialized] drivers/video/exynos/exynos_dp_core.c:395:6: note: 'reg' was declared here Signed-off-by: Olof Johansson Signed-off-by: Jingoo Han Signed-off-by: Florian Tobias Schandinat --- drivers/video/exynos/exynos_dp_core.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/video/exynos/exynos_dp_core.c b/drivers/video/exynos/exynos_dp_core.c index a36b2d28280e..9db7b9f581e6 100644 --- a/drivers/video/exynos/exynos_dp_core.c +++ b/drivers/video/exynos/exynos_dp_core.c @@ -407,6 +407,9 @@ static unsigned int exynos_dp_get_lane_link_training( case 3: reg = exynos_dp_get_lane3_link_training(dp); break; + default: + WARN_ON(1); + return 0; } return reg; -- cgit v1.2.3 From db131b1024b1fe913a2c225e3792098cefa825e7 Mon Sep 17 00:00:00 2001 From: Jingoo Han Date: Thu, 21 Jun 2012 18:57:23 +0900 Subject: video: exynos_dp: remove duplicated declarations from header file Some functions are declared twice in header file; thus, these declarations are unnecessary. Signed-off-by: Jingoo Han Signed-off-by: Florian Tobias Schandinat --- drivers/video/exynos/exynos_dp_core.h | 4 ---- 1 file changed, 4 deletions(-) diff --git a/drivers/video/exynos/exynos_dp_core.h b/drivers/video/exynos/exynos_dp_core.h index 1e0f998e0c9f..8526e548c385 100644 --- a/drivers/video/exynos/exynos_dp_core.h +++ b/drivers/video/exynos/exynos_dp_core.h @@ -85,10 +85,6 @@ void exynos_dp_set_link_bandwidth(struct exynos_dp_device *dp, u32 bwtype); void exynos_dp_get_link_bandwidth(struct exynos_dp_device *dp, u32 *bwtype); void exynos_dp_set_lane_count(struct exynos_dp_device *dp, u32 count); void exynos_dp_get_lane_count(struct exynos_dp_device *dp, u32 *count); -void exynos_dp_set_link_bandwidth(struct exynos_dp_device *dp, u32 bwtype); -void exynos_dp_get_link_bandwidth(struct exynos_dp_device *dp, u32 *bwtype); -void exynos_dp_set_lane_count(struct exynos_dp_device *dp, u32 count); -void exynos_dp_get_lane_count(struct exynos_dp_device *dp, u32 *count); void exynos_dp_enable_enhanced_mode(struct exynos_dp_device *dp, bool enable); void exynos_dp_set_training_pattern(struct exynos_dp_device *dp, enum pattern_set pattern); -- cgit v1.2.3 From 44edebca3964824b9126c49bab1187df7df5bd89 Mon Sep 17 00:00:00 2001 From: Paul Bolle Date: Wed, 13 Jun 2012 09:47:31 +0200 Subject: video: backlight: remove unused header Commit 9befe40f6e018e508b047eb76d189ede9b4ff03d ("video: backlight: support s6e8ax0 panel driver based on MIPI DSI") added s6e8ax0.h, but no file includes it. That's probably a good thing, because it declares an extern void function that is defined static int in s6e8ax0.c. Besides, that function is also wrapped in the module_init() macro, which should do everything needed to make that function available to the code outside of s6e8ax0.c. This header can safely be removed. Signed-off-by: Paul Bolle Acked-by: Donghwa Lee Signed-off-by: Florian Tobias Schandinat --- drivers/video/exynos/s6e8ax0.h | 21 --------------------- 1 file changed, 21 deletions(-) delete mode 100644 drivers/video/exynos/s6e8ax0.h diff --git a/drivers/video/exynos/s6e8ax0.h b/drivers/video/exynos/s6e8ax0.h deleted file mode 100644 index 1f1b270484b0..000000000000 --- a/drivers/video/exynos/s6e8ax0.h +++ /dev/null @@ -1,21 +0,0 @@ -/* linux/drivers/video/backlight/s6e8ax0.h - * - * MIPI-DSI based s6e8ax0 AMOLED LCD Panel definitions. - * - * Copyright (c) 2011 Samsung Electronics - * - * Inki Dae, - * Donghwa Lee - * - * 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. -*/ - -#ifndef _S6E8AX0_H -#define _S6E8AX0_H - -extern void s6e8ax0_init(void); - -#endif - -- cgit v1.2.3 From 6cd77e00c00c5da3b6f8546dcb6dfac9611ca10b Mon Sep 17 00:00:00 2001 From: Liu Ying Date: Mon, 11 Jun 2012 09:06:49 +0800 Subject: mx3fb: support pan display with fb_set_var Users may call FBIOPUT_VSCREENINFO ioctrl to do pan display. This ioctrl relies on fb_set_var() to do the job. fb_set_var() calls the custom fb_set_par() method and then calls the custom fb_pan_display() method. Before calling the custom fb_pan_display() method, info->var is already updated from the new *var in fb_set_var(). And, the custom fb_pan_display() method checks if xoffset and yoffset in info->var and the new *var are different before doing actual panning, which prevents the panning from happening within fb_set_var() context. This patch caches the current var info locally in mx3fb driver so that pan display with fb_set_var is supported. Signed-off-by: Liu Ying Signed-off-by: Florian Tobias Schandinat --- drivers/video/mx3fb.c | 33 ++++++++++++++++++++++++++------- 1 file changed, 26 insertions(+), 7 deletions(-) diff --git a/drivers/video/mx3fb.c b/drivers/video/mx3fb.c index eec0d7b748eb..da1d052a18a5 100644 --- a/drivers/video/mx3fb.c +++ b/drivers/video/mx3fb.c @@ -269,7 +269,7 @@ struct mx3fb_info { dma_cookie_t cookie; struct scatterlist sg[2]; - u32 sync; /* preserve var->sync flags */ + struct fb_var_screeninfo cur_var; /* current var info */ }; static void mx3fb_dma_done(void *); @@ -700,7 +700,7 @@ static void mx3fb_dma_done(void *arg) static int __set_par(struct fb_info *fbi, bool lock) { - u32 mem_len; + u32 mem_len, cur_xoffset, cur_yoffset; struct ipu_di_signal_cfg sig_cfg; enum ipu_panel mode = IPU_PANEL_TFT; struct mx3fb_info *mx3_fbi = fbi->par; @@ -780,8 +780,25 @@ static int __set_par(struct fb_info *fbi, bool lock) video->out_height = fbi->var.yres; video->out_stride = fbi->var.xres_virtual; - if (mx3_fbi->blank == FB_BLANK_UNBLANK) + if (mx3_fbi->blank == FB_BLANK_UNBLANK) { sdc_enable_channel(mx3_fbi); + /* + * sg[0] points to fb smem_start address + * and is actually active in controller. + */ + mx3_fbi->cur_var.xoffset = 0; + mx3_fbi->cur_var.yoffset = 0; + } + + /* + * Preserve xoffset and yoffest in case they are + * inactive in controller as fb is blanked. + */ + cur_xoffset = mx3_fbi->cur_var.xoffset; + cur_yoffset = mx3_fbi->cur_var.yoffset; + mx3_fbi->cur_var = fbi->var; + mx3_fbi->cur_var.xoffset = cur_xoffset; + mx3_fbi->cur_var.yoffset = cur_yoffset; return 0; } @@ -901,8 +918,8 @@ static int mx3fb_check_var(struct fb_var_screeninfo *var, struct fb_info *fbi) var->grayscale = 0; /* Preserve sync flags */ - var->sync |= mx3_fbi->sync; - mx3_fbi->sync |= var->sync; + var->sync |= mx3_fbi->cur_var.sync; + mx3_fbi->cur_var.sync |= var->sync; return 0; } @@ -1043,8 +1060,8 @@ static int mx3fb_pan_display(struct fb_var_screeninfo *var, return -EINVAL; } - if (fbi->var.xoffset == var->xoffset && - fbi->var.yoffset == var->yoffset) + if (mx3_fbi->cur_var.xoffset == var->xoffset && + mx3_fbi->cur_var.yoffset == var->yoffset) return 0; /* No change, do nothing */ y_bottom = var->yoffset; @@ -1127,6 +1144,8 @@ static int mx3fb_pan_display(struct fb_var_screeninfo *var, else fbi->var.vmode &= ~FB_VMODE_YWRAP; + mx3_fbi->cur_var = fbi->var; + mutex_unlock(&mx3_fbi->mutex); dev_dbg(fbi->device, "Update complete\n"); -- cgit v1.2.3 From 41a490ec019fd172f5d0356e01d8101b4708aee2 Mon Sep 17 00:00:00 2001 From: Liu Ying Date: Mon, 11 Jun 2012 09:06:50 +0800 Subject: mx3fb: avoid screen flash when panning with fb_set_var Users may call FBIOPUT_VSCREENINFO ioctrl to do pan display. This ioctrl relies on fb_set_var() to do the job. fb_set_var() calls custom fb_set_par() method and then calls custom fb_pan_display() method. The current implementation of mx3fb reinitializes IPU display controller every time the custom fb_set_par() method is called, which makes the screen flash if fb_set_var() is called to do panning frequently. This patch compares the new var info with the cached old one to decide whether we really need to reinitialize IPU display controller. We ignore xoffset and yoffset update because it doesn't require to reinitialize the controller. Users may specify activate field of var info with FB_ACTIVATE_NOW and FB_ACTIVATE_FORCE to reinialize the controller by force. Signed-off-by: Liu Ying Signed-off-by: Florian Tobias Schandinat --- drivers/video/mx3fb.c | 22 +++++++++++++++++++++- 1 file changed, 21 insertions(+), 1 deletion(-) diff --git a/drivers/video/mx3fb.c b/drivers/video/mx3fb.c index da1d052a18a5..c89f8a8d36d2 100644 --- a/drivers/video/mx3fb.c +++ b/drivers/video/mx3fb.c @@ -698,6 +698,26 @@ static void mx3fb_dma_done(void *arg) complete(&mx3_fbi->flip_cmpl); } +static bool mx3fb_must_set_par(struct fb_info *fbi) +{ + struct mx3fb_info *mx3_fbi = fbi->par; + struct fb_var_screeninfo old_var = mx3_fbi->cur_var; + struct fb_var_screeninfo new_var = fbi->var; + + if ((fbi->var.activate & FB_ACTIVATE_FORCE) && + (fbi->var.activate & FB_ACTIVATE_MASK) == FB_ACTIVATE_NOW) + return true; + + /* + * Ignore xoffset and yoffset update, + * because pan display handles this case. + */ + old_var.xoffset = new_var.xoffset; + old_var.yoffset = new_var.yoffset; + + return !!memcmp(&old_var, &new_var, sizeof(struct fb_var_screeninfo)); +} + static int __set_par(struct fb_info *fbi, bool lock) { u32 mem_len, cur_xoffset, cur_yoffset; @@ -819,7 +839,7 @@ static int mx3fb_set_par(struct fb_info *fbi) mutex_lock(&mx3_fbi->mutex); - ret = __set_par(fbi, true); + ret = mx3fb_must_set_par(fbi) ? __set_par(fbi, true) : 0; mutex_unlock(&mx3_fbi->mutex); -- cgit v1.2.3 From 3b9cc4ea4735d3c73ee27ef7b829b6fe4535eefe Mon Sep 17 00:00:00 2001 From: Aditya Nellutla Date: Wed, 23 May 2012 11:36:31 +0530 Subject: da8xx-fb: Rounding FB size to satisfy SGX buffer requirements In the real time use-case when SGX is used for rendering to FB buffers it has been observed that, the available memory from framebuffer driver is not sufficient for SGX under certain cases (like 16-bit WVGA resolution). SGX requires 2 swap buffers with each of the buffers aligned to lcm(line_length, PAGE_SIZE). Inorder to satisfy this requirement, we have two options, - Increase number of FB buffers (LCD_NUM_BUFFERS) to 3. This is not recommended as we end up wasting huge memory in most of the cases. - Align FB buffers to lcm(line_length, PAGE_SIZE).This ensures framebuffer size is increased to satisfy SGX requirements keeping alignment intact. This patch makes sure that FB allocates buffers aligned to above formula. Signed-off-by: Aditya Nellutla Signed-off-by: Florian Tobias Schandinat --- drivers/video/da8xx-fb.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/video/da8xx-fb.c b/drivers/video/da8xx-fb.c index 47118c75a4c0..2f24c19d7d08 100644 --- a/drivers/video/da8xx-fb.c +++ b/drivers/video/da8xx-fb.c @@ -31,6 +31,7 @@ #include #include #include +#include #include