path: root/drivers/video/fbdev/atmel_lcdfb.c

/*
 *  Driver for AT91/AT32 LCD Controller
 *
 *  Copyright (C) 2007 Atmel Corporation
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file COPYING in the main directory of this archive for
 * more details.
 */

#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/dma-mapping.h>
#include <linux/interrupt.h>
#include <linux/clk.h>
#include <linux/fb.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/backlight.h>
#include <linux/gfp.h>
#include <linux/module.h>
#include <linux/platform_data/atmel.h>
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/of_gpio.h>
#include <video/of_display_timing.h>
#include <video/videomode.h>

#include <mach/cpu.h>
#include <asm/gpio.h>

#include <video/atmel_lcdc.h>

struct atmel_lcdfb_config {
	bool have_alt_pixclock;
	bool have_hozval;
	bool have_intensity_bit;
};

 /* LCD Controller info data structure, stored in device platform_data */
struct atmel_lcdfb_info {
	spinlock_t		lock;
	struct fb_info		*info;
	void __iomem		*mmio;
	int			irq_base;
	struct work_struct	task;

	unsigned int		smem_len;
	struct platform_device	*pdev;
	struct clk		*bus_clk;
	struct clk		*lcdc_clk;

	struct backlight_device	*backlight;
	u8			bl_power;
	u8			saved_lcdcon;

	u32			pseudo_palette[16];
	bool			have_intensity_bit;

	struct atmel_lcdfb_pdata pdata;

	struct