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authorLars-Peter Clausen <lars@metafoo.de>2010-05-29 00:06:19 +0000
committerLars-Peter Clausen <lars@metafoo.de>2010-05-29 00:06:19 +0000
commitfecadfa91c6bb872ec7f02998858d0d4db9a62c4 (patch)
tree095b77d25551c4c58ef766a13da2f52122c73e5e /target/linux/xburst/patches-2.6.34
parent3107304b89a22a836a8f9a18fb2467c5815052cb (diff)
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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.patch52
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