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@ -1,4 +1,4 @@ |
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From 4b85f4f65855e49dec6271cf35efdcee26534210 Mon Sep 17 00:00:00 2001
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From bde0c6e017734b3164f5e3517d8e9373433b0cee Mon Sep 17 00:00:00 2001
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From: Lars-Peter Clausen <lars@metafoo.de>
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Date: Sat, 24 Apr 2010 12:13:58 +0200
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Subject: [PATCH] Add jz4740 framebuffer driver
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@ -6,9 +6,9 @@ Subject: [PATCH] Add jz4740 framebuffer driver |
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---
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drivers/video/Kconfig | 9 +
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drivers/video/Makefile | 1 +
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drivers/video/jz4740_fb.c | 810 +++++++++++++++++++++++++++++++++++++++++++++
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drivers/video/jz4740_fb.c | 822 +++++++++++++++++++++++++++++++++++++++++++++
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include/linux/jz4740_fb.h | 58 ++++
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4 files changed, 878 insertions(+), 0 deletions(-)
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4 files changed, 890 insertions(+), 0 deletions(-)
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create mode 100644 drivers/video/jz4740_fb.c
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create mode 100644 include/linux/jz4740_fb.h
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@ -46,13 +46,13 @@ index ddc2af2..f56a9ca 100644 |
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obj-$(CONFIG_FB_UVESA) += uvesafb.o
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diff --git a/drivers/video/jz4740_fb.c b/drivers/video/jz4740_fb.c
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new file mode 100644
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index 0000000..53f3adb
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index 0000000..8bb0cb4
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--- /dev/null
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+++ b/drivers/video/jz4740_fb.c
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@@ -0,0 +1,810 @@
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@@ -0,0 +1,822 @@
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+/*
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+ * Copyright (C) 2009-2010, Lars-Peter Clausen <lars@metafoo.de>
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+ * JZ4720/JZ4740 SoC LCD framebuffer driver
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+ * JZ4740 SoC LCD framebuffer driver
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+ *
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+ * This program is free software; you can redistribute it and/or modify it
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+ * under the terms of the GNU General Public License as published by the
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@ -185,17 +185,17 @@ index 0000000..53f3adb |
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+ unsigned is_enabled:1;
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+ struct mutex lock;
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+
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+ uint32_t pseudo_palette[256];
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+ uint32_t pseudo_palette[16];
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+};
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+
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+static struct fb_fix_screeninfo jzfb_fix __devinitdata = {
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+ .id = "JZ4740 FB",
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+ .type = FB_TYPE_PACKED_PIXELS,
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+ .visual = FB_VISUAL_TRUECOLOR,
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+ .xpanstep = 0,
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+ .ypanstep = 0,
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+ .ywrapstep = 0,
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+ .accel = FB_ACCEL_NONE,
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+ .id = "JZ4740 FB",
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+ .type = FB_TYPE_PACKED_PIXELS,
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+ .visual = FB_VISUAL_TRUECOLOR,
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+ .xpanstep = 0,
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+ .ypanstep = 0,
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+ .ywrapstep = 0,
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+ .accel = FB_ACCEL_NONE,
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+};
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+
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+const static struct jz_gpio_bulk_request jz_lcd_ctrl_pins[] = {
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@ -258,7 +258,7 @@ index 0000000..53f3adb |
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+ num = 16;
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+ break;
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+ case JZ_LCD_TYPE_GENERIC_18_BIT:
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+ num = 19;
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+ num = 18;
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+ break;
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+ case JZ_LCD_TYPE_8BIT_SERIAL:
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+ num = 8;
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@ -273,10 +273,24 @@ index 0000000..53f3adb |
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+static int jzfb_setcolreg(unsigned regno, unsigned red, unsigned green,
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+ unsigned blue, unsigned transp, struct fb_info *fb)
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+{
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+ if (regno >= fb->cmap.len)
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+ uint32_t color;
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+
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+ if (regno >= 16)
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+ return -EINVAL;
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+
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+ ((uint32_t *)fb->pseudo_palette)[regno] = red << 16 | green << 8 | blue;
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+#define CNVT_TOHW(val,width) ((((val)<<(width))+0x7FFF-(val))>>16)
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+ red = CNVT_TOHW(red, fb->var.red.length);
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+ green = CNVT_TOHW(green, fb->var.green.length);
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+ blue = CNVT_TOHW(blue, fb->var.blue.length);
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+ transp = CNVT_TOHW(transp, fb->var.transp.length);
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+#undef CNVT_TOHW
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+
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+ color = (red << fb->var.red.offset) |
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+ (green << fb->var.green.offset) |
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+ (blue << fb->var.blue.offset) |
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+ (transp << fb->var.transp.offset);
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+
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+ ((uint32_t*)(fb->pseudo_palette))[regno] = color;
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+
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+ return 0;
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+}
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@ -336,7 +350,7 @@ index 0000000..53f3adb |
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+ case 16:
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+ var->red.offset = 11;
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+ var->red.length = 5;
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+ var->green.offset = 6;
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+ var->green.offset = 5;
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+ var->green.length = 6;
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+ var->blue.offset = 0;
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+ var->blue.length = 5;
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@ -836,7 +850,6 @@ index 0000000..53f3adb |
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+static struct platform_driver jzfb_driver = {
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+ .probe = jzfb_probe,
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+ .remove = __devexit_p(jzfb_remove),
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+
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+ .driver = {
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+ .name = "jz4740-fb",
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+ .pm = JZFB_PM_OPS,
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@ -859,7 +872,6 @@ index 0000000..53f3adb |
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+MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
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+MODULE_DESCRIPTION("JZ4720/JZ4740 SoC LCD framebuffer driver");
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+MODULE_ALIAS("platform:jz4740-fb");
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+MODULE_ALIAS("platform:jz4720-fb");
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diff --git a/include/linux/jz4740_fb.h b/include/linux/jz4740_fb.h
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new file mode 100644
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index 0000000..ab4c963
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Lars-Peter Clausen
15 years ago