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FBDEV: JZ4740: Add framebuffer driver

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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>
This commit is contained in:
Lars-Peter Clausen 2010-07-17 11:14:34 +00:00 • committed by Ralf Baechle
parent 3bf0eea894
commit 7a92d54521
4 changed files with 924 additions and 0 deletions
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67
arch/mips/include/asm/mach-jz4740/jz4740_fb.h Normal file
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/*
* 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