FBDEV: JZ4740: Add framebuffer driver

Add support for the LCD controller on JZ4740 SoCs.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-fbdev@vger.kernel.org
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/1470/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 67 insertions, 0 deletions

diff --git a/arch/mips/include/asm/mach-jz4740/jz4740_fb.h b/arch/mips/include/asm/mach-jz4740/jz4740_fb.h
new file mode 100644
index 000000000000..6a50e6f7a21a
--- /dev/null
+++ b/arch/mips/include/asm/mach-jz4740/jz4740_fb.h
@@ -0,0 +1,67 @@
+/*
+ *  Copyright (C) 2009, Lars-Peter Clausen <lars@metafoo.de>
+ *
+ *  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
+ *  Free Software Foundation;  either version 2 of the  License, or (at your
+ *  option) any later version.
+ *
+ *  You should have received a copy of the  GNU General Public License along
+ *  with this program; if not, write  to the Free Software Foundation, Inc.,
+ *  675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef __ASM_MACH_JZ4740_JZ4740_FB_H__
+#define __ASM_MACH_JZ4740_JZ4740_FB_H__
+
+#include <linux/fb.h>
+
+enum jz4740_fb_lcd_type {
+        JZ_LCD_TYPE_GENERIC_16_BIT = 0,
+        JZ_LCD_TYPE_GENERIC_18_BIT = 0 | (1 << 4),
+        JZ_LCD_TYPE_SPECIAL_TFT_1 = 1,
+        JZ_LCD_TYPE_SPECIAL_TFT_2 = 2,
+        JZ_LCD_TYPE_SPECIAL_TFT_3 = 3,
+        JZ_LCD_TYPE_NON_INTERLACED_CCIR656 = 5,
+        JZ_LCD_TYPE_INTERLACED_CCIR656 = 7,
+        JZ_LCD_TYPE_SINGLE_COLOR_STN = 8,
+        JZ_LCD_TYPE_SINGLE_MONOCHROME_STN = 9,
+        JZ_LCD_TYPE_DUAL_COLOR_STN = 10,
+        JZ_LCD_TYPE_DUAL_MONOCHROME_STN = 11,
+        JZ_LCD_TYPE_8BIT_SERIAL = 12,
+};
+
+#define JZ4740_FB_SPECIAL_TFT_CONFIG(start, stop) (((start) << 16) | (stop))
+
+/*
+* width: width of the lcd display in mm
+* height: height of the lcd display in mm
+* num_modes: size of modes
+* modes: list of valid video modes
+* bpp: bits per pixel for the lcd
+* lcd_type: lcd type
+*/
+
+struct jz4740_fb_platform_data {
+        unsigned int width;
+        unsigned int height;
+
+        size_t num_modes;
+        struct fb_videomode *modes;
+
+        unsigned int bpp;
+        enum jz4740_fb_lcd_type lcd_type;
+
+        struct {
+                uint32_t spl;
+                uint32_t cls;
+                uint32_t ps;
+                uint32_t rev;
+        } special_tft_config;
+
+        unsigned pixclk_falling_edge:1;
+        unsigned date_enable_active_low:1;
+};
+
+#endif