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| author | Lars-Peter Clausen <lars@metafoo.de> | 2010-05-29 00:06:19 +0000 |
|---|---|---|
| committer | Lars-Peter Clausen <lars@metafoo.de> | 2010-05-29 00:06:19 +0000 |
| commit | fecadfa91c6bb872ec7f02998858d0d4db9a62c4 (patch) | |
| tree | 095b77d25551c4c58ef766a13da2f52122c73e5e /target/linux/xburst/patches-2.6.34 | |
| parent | 3107304b89a22a836a8f9a18fb2467c5815052cb (diff) | |
| download | mtk-20170518-fecadfa91c6bb872ec7f02998858d0d4db9a62c4.zip mtk-20170518-fecadfa91c6bb872ec7f02998858d0d4db9a62c4.tar.gz mtk-20170518-fecadfa91c6bb872ec7f02998858d0d4db9a62c4.tar.bz2 | |
fb: Fix pseudo palette for non 32bit color depth.
SVN-Revision: 21614
Diffstat (limited to 'target/linux/xburst/patches-2.6.34')
| -rw-r--r-- | target/linux/xburst/patches-2.6.34/051-fb.patch | 52 |
1 files changed, 32 insertions, 20 deletions
diff --git a/target/linux/xburst/patches-2.6.34/051-fb.patch b/target/linux/xburst/patches-2.6.34/051-fb.patch index ca086cc..9464562 100644 --- a/target/linux/xburst/patches-2.6.34/051-fb.patch +++ b/target/linux/xburst/patches-2.6.34/051-fb.patch @@ -1,4 +1,4 @@ -From 4b85f4f65855e49dec6271cf35efdcee26534210 Mon Sep 17 00:00:00 2001 +From bde0c6e017734b3164f5e3517d8e9373433b0cee Mon Sep 17 00:00:00 2001 From: Lars-Peter Clausen <lars@metafoo.de> Date: Sat, 24 Apr 2010 12:13:58 +0200 Subject: [PATCH] Add jz4740 framebuffer driver @@ -6,9 +6,9 @@ Subject: [PATCH] Add jz4740 framebuffer driver --- drivers/video/Kconfig | 9 + drivers/video/Makefile | 1 + - drivers/video/jz4740_fb.c | 810 +++++++++++++++++++++++++++++++++++++++++++++ + drivers/video/jz4740_fb.c | 822 +++++++++++++++++++++++++++++++++++++++++++++ include/linux/jz4740_fb.h | 58 ++++ - 4 files changed, 878 insertions(+), 0 deletions(-) + 4 files changed, 890 insertions(+), 0 deletions(-) create mode 100644 drivers/video/jz4740_fb.c create mode 100644 include/linux/jz4740_fb.h @@ -46,13 +46,13 @@ index ddc2af2..f56a9ca 100644 obj-$(CONFIG_FB_UVESA) += uvesafb.o diff --git a/drivers/video/jz4740_fb.c b/drivers/video/jz4740_fb.c new file mode 100644 -index 0000000..53f3adb +index 0000000..8bb0cb4 --- /dev/null +++ b/drivers/video/jz4740_fb.c -@@ -0,0 +1,810 @@ +@@ -0,0 +1,822 @@ +/* + * Copyright (C) 2009-2010, Lars-Peter Clausen <lars@metafoo.de> -+ * JZ4720/JZ4740 SoC LCD framebuffer driver ++ * JZ4740 SoC LCD framebuffer driver + * + * 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 @@ -185,17 +185,17 @@ index 0000000..53f3adb + unsigned is_enabled:1; + struct mutex lock; + -+ uint32_t pseudo_palette[256]; ++ uint32_t pseudo_palette[16]; +}; + +static struct fb_fix_screeninfo jzfb_fix __devinitdata = { -+ .id = "JZ4740 FB", -+ .type = FB_TYPE_PACKED_PIXELS, -+ .visual = FB_VISUAL_TRUECOLOR, -+ .xpanstep = 0, -+ .ypanstep = 0, -+ .ywrapstep = 0, -+ .accel = FB_ACCEL_NONE, ++ .id = "JZ4740 FB", ++ .type = FB_TYPE_PACKED_PIXELS, ++ .visual = FB_VISUAL_TRUECOLOR, ++ .xpanstep = 0, ++ .ypanstep = 0, ++ .ywrapstep = 0, ++ .accel = FB_ACCEL_NONE, +}; + +const static struct jz_gpio_bulk_request jz_lcd_ctrl_pins[] = { @@ -258,7 +258,7 @@ index 0000000..53f3adb + num = 16; + break; + case JZ_LCD_TYPE_GENERIC_18_BIT: -+ num = 19; ++ num = 18; + break; + case JZ_LCD_TYPE_8BIT_SERIAL: + num = 8; @@ -273,10 +273,24 @@ index 0000000..53f3adb +static int jzfb_setcolreg(unsigned regno, unsigned red, unsigned green, + unsigned blue, unsigned transp, struct fb_info *fb) +{ -+ if (regno >= fb->cmap.len) ++ uint32_t color; ++ ++ if (regno >= 16) + return -EINVAL; + -+ ((uint32_t *)fb->pseudo_palette)[regno] = red << 16 | green << 8 | blue; ++#define CNVT_TOHW(val,width) ((((val)<<(width))+0x7FFF-(val))>>16) ++ red = CNVT_TOHW(red, fb->var.red.length); ++ green = CNVT_TOHW(green, fb->var.green.length); ++ blue = CNVT_TOHW(blue, fb->var.blue.length); ++ transp = CNVT_TOHW(transp, fb->var.transp.length); ++#undef CNVT_TOHW ++ ++ color = (red << fb->var.red.offset) | ++ (green << fb->var.green.offset) | ++ (blue << fb->var.blue.offset) | ++ (transp << fb->var.transp.offset); ++ ++ ((uint32_t*)(fb->pseudo_palette))[regno] = color; + + return 0; +} @@ -336,7 +350,7 @@ index 0000000..53f3adb + case 16: + var->red.offset = 11; + var->red.length = 5; -+ var->green.offset = 6; ++ var->green.offset = 5; + var->green.length = 6; + var->blue.offset = 0; + var->blue.length = 5; @@ -836,7 +850,6 @@ index 0000000..53f3adb +static struct platform_driver jzfb_driver = { + .probe = jzfb_probe, + .remove = __devexit_p(jzfb_remove), -+ + .driver = { + .name = "jz4740-fb", + .pm = JZFB_PM_OPS, @@ -859,7 +872,6 @@ index 0000000..53f3adb +MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>"); +MODULE_DESCRIPTION("JZ4720/JZ4740 SoC LCD framebuffer driver"); +MODULE_ALIAS("platform:jz4740-fb"); -+MODULE_ALIAS("platform:jz4720-fb"); diff --git a/include/linux/jz4740_fb.h b/include/linux/jz4740_fb.h new file mode 100644 index 0000000..ab4c963 |