drivers/video/msm/msm_fb.h

/* Copyright (c) 2008-2011, Code Aurora Forum. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 and
 * only version 2 as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 */

#ifndef MSM_FB_H
#define MSM_FB_H

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/time.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include "linux/proc_fs.h"

#include <mach/hardware.h>
#include <linux/io.h>
#include <mach/board.h>

#include <asm/system.h>
#include <asm/mach-types.h>
#include <mach/memory.h>
#include <linux/semaphore.h>
#include <linux/spinlock.h>
#include <linux/workqueue.h>
#include <linux/hrtimer.h>

#include <linux/fb.h>
#include <linux/list.h>
#include <linux/types.h>

#include <linux/msm_mdp.h>
#ifdef CONFIG_HAS_EARLYSUSPEND
#include <linux/earlysuspend.h>
#endif

#include "msm_fb_panel.h"
#include "mdp.h"

#define MSM_FB_DEFAULT_PAGE_SIZE 2
#define MFD_KEY  0x11161126
#define MSM_FB_MAX_DEV_LIST 32

struct disp_info_type_suspend {
	boolean op_enable;
	boolean sw_refreshing_enable;
	boolean panel_power_on;
};

struct msmfb_writeback_data_list {
	struct list_head registered_entry;
	struct list_head active_entry;
	void *addr;
	struct file *pmem_file;
	struct msmfb_data buf_info;
	struct msmfb_img img;
	int state;
};


struct msm_fb_data_type {
	__u32 key;
	__u32 index;
	__u32 ref_cnt;
	__u32 fb_page;

	panel_id_type panel;
	struct msm_panel_info panel_info;

	DISP_TARGET dest;
	struct fb_info *fbi;

	boolean op_enable;
	uint32 fb_imgType;
	boolean sw_currently_refreshing;
	boolean sw_refreshing_enable;
	boolean hw_refresh;
#ifdef CONFIG_FB_MSM_OVERLAY
	int overlay_play_enable;
#endif

	MDPIBUF ibuf;
	boolean ibuf_flushed;
	struct timer_list refresh_timer;
	struct completion refresher_comp;

	boolean pan_waiting;
	struct completion pan_comp;

	/* vsync */
	boolean use_mdp_vsync;
	__u32 vsync_gpio;
	__u32 total_lcd_lines;
	__u32 total_porch_lines;
	__u32 lcd_ref_usec_time;
	__u32 refresh_timer_duration;

	struct hrtimer dma_hrtimer;

	boolean panel_power_on;
	struct work_struct dma_update_worker;
	struct semaphore sem;

	struct timer_list vsync_resync_timer;
	boolean vsync_handler_pending;
	struct work_struct vsync_resync_worker;

	ktime_t last_vsync_timetick;

	__u32 *vsync_width_boundary;

	unsigned int pmem_id;
	struct disp_info_type_suspend suspend;

	__u32 channel_irq;

	struct mdp_dma_data *dma;
	void (*dma_fnc) (struct msm_fb_data_type *mfd);
	int (*cursor_update) (struct fb_info *info,
			      struct fb_cursor *cursor);
	int (*lut_update) (struct fb_info *info,
			      struct fb_cmap *cmap);
	int (*do_histogram) (struct fb_info *info,
			      struct mdp_histogram *hist);
	void *cursor_buf;
	void *cursor_buf_phys;

	void *cmd_port;
	void *data_port;
	void *data_port_phys;

	__u32 bl_level;

	struct platform_device *pdev;

	__u32 var_xres;
	__u32 var_yres;
	__u32 var_pixclock;

#ifdef MSM_FB_ENABLE_DBGFS
	struct dentry *sub_dir;
#endif

#ifdef CONFIG_HAS_EARLYSUSPEND
	struct early_suspend early_suspend;
#ifdef CONFIG_FB_MSM_MDDI
	struct early_suspend mddi_early_suspend;
	struct early_suspend mddi_ext_early_suspend;
#endif
#endif
	u32 mdp_fb_page_protection;

	struct clk *ebi1_clk;
	boolean dma_update_flag;
	struct timer_list msmfb_no_update_notify_timer;
	struct completion msmfb_update_notify;
	struct completion msmfb_no_update_notify;
	u32 ov_start, ov_end;

	struct mutex writeback_mutex;
	struct mutex unregister_mutex;
	struct list_head writeback_busy_queue;
	struct list_head writeback_free_queue;
	struct list_head writeback_register_queue;
	wait_queue_head_t		wait_q;
};

struct dentry *msm_fb_get_debugfs_root(void);
void msm_fb_debugfs_file_create(struct dentry *root, const char *name,
				u32 *var);
void msm_fb_set_backlight(struct msm_fb_data_type *mfd, __u32 bkl_lvl);

struct platform_device *msm_fb_add_device(struct platform_device *pdev);
struct fb_info *msm_fb_get_writeback_fb(void);
int msm_fb_writeback_init(struct fb_info *info);
int msm_fb_writeback_register_buffer(struct fb_info *info,
		struct msmfb_writeback_data *data);
int msm_fb_writeback_queue_buffer(struct fb_info *info,
		struct msmfb_data *data);
int msm_fb_writeback_dequeue_buffer(struct fb_info *info,
		struct msmfb_data *data);
int msm_fb_writeback_unregister_buffer(struct fb_info *info,
		struct msmfb_writeback_data *data);
int msm_fb_writeback_terminate(struct fb_info *info);
int msm_fb_detect_client(const char *name);

#ifdef CONFIG_FB_BACKLIGHT
void msm_fb_config_backlight(struct msm_fb_data_type *mfd);
#endif

void fill_black_screen(void);
void unfill_black_screen(void);

#endif /* MSM_FB_H */