diff options
author | Sascha Hauer <s.hauer@pengutronix.de> | 2008-12-16 11:44:09 +0100 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2008-12-16 15:43:50 +0100 |
commit | 80eee6bca4069c48247005aa07cb5e8e86042aa3 (patch) | |
tree | d94d2877a10ec75a28ce2f6367851eaa63c9cff2 /drivers/video | |
parent | 278892736e99330195c8ae5861bcd9d791bbf19e (diff) | |
download | blackbird-op-linux-80eee6bca4069c48247005aa07cb5e8e86042aa3.tar.gz blackbird-op-linux-80eee6bca4069c48247005aa07cb5e8e86042aa3.zip |
i.MX Framebuffer: add TFT support
With TFTs we can do 5/6/5 instead of 4/4/4. Add a bitfield for this
and use it with TFTs.
Acked-by: Krzysztof Helt <krzysztof.h1@poczta.fm>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers/video')
-rw-r--r-- | drivers/video/imxfb.c | 38 |
1 files changed, 19 insertions, 19 deletions
diff --git a/drivers/video/imxfb.c b/drivers/video/imxfb.c index 3d1db003f995..d58c68cd456e 100644 --- a/drivers/video/imxfb.c +++ b/drivers/video/imxfb.c @@ -116,16 +116,10 @@ struct imxfb_rgb { struct fb_bitfield transp; }; -#define RGB_16 (0) -#define RGB_8 (1) -#define NR_RGB 2 - struct imxfb_info { struct platform_device *pdev; void __iomem *regs; - struct imxfb_rgb *rgb[NR_RGB]; - u_int max_bpp; u_int max_xres; u_int max_yres; @@ -165,7 +159,14 @@ struct imxfb_info { #define MIN_XRES 64 #define MIN_YRES 64 -static struct imxfb_rgb def_rgb_16 = { +static struct imxfb_rgb def_rgb_16_tft = { + .red = {.offset = 11, .length = 5,}, + .green = {.offset = 5, .length = 6,}, + .blue = {.offset = 0, .length = 5,}, + .transp = {.offset = 0, .length = 0,}, +}; + +static struct imxfb_rgb def_rgb_16_stn = { .red = {.offset = 8, .length = 4,}, .green = {.offset = 4, .length = 4,}, .blue = {.offset = 0, .length = 4,}, @@ -270,7 +271,7 @@ static int imxfb_setcolreg(u_int regno, u_int red, u_int green, u_int blue, static int imxfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) { struct imxfb_info *fbi = info->par; - int rgbidx; + struct imxfb_rgb *rgb; if (var->xres < MIN_XRES) var->xres = MIN_XRES; @@ -286,23 +287,25 @@ static int imxfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) pr_debug("var->bits_per_pixel=%d\n", var->bits_per_pixel); switch (var->bits_per_pixel) { case 16: - rgbidx = RGB_16; + default: + if (readl(fbi->regs + LCDC_PCR) & PCR_TFT) + rgb = &def_rgb_16_tft; + else + rgb = &def_rgb_16_stn; break; case 8: - rgbidx = RGB_8; + rgb = &def_rgb_8; break; - default: - rgbidx = RGB_16; } /* * Copy the RGB parameters for this display * from the machine specific parameters. */ - var->red = fbi->rgb[rgbidx]->red; - var->green = fbi->rgb[rgbidx]->green; - var->blue = fbi->rgb[rgbidx]->blue; - var->transp = fbi->rgb[rgbidx]->transp; + var->red = rgb->red; + var->green = rgb->green; + var->blue = rgb->blue; + var->transp = rgb->transp; pr_debug("RGBT length = %d:%d:%d:%d\n", var->red.length, var->green.length, var->blue.length, @@ -545,9 +548,6 @@ static int __init imxfb_init_fbinfo(struct platform_device *pdev) info->flags = FBINFO_FLAG_DEFAULT | FBINFO_READS_FAST; - fbi->rgb[RGB_16] = &def_rgb_16; - fbi->rgb[RGB_8] = &def_rgb_8; - fbi->max_xres = pdata->xres; info->var.xres = pdata->xres; info->var.xres_virtual = pdata->xres; |