drivers/staging/msm/msm_fb.h

   1 /* Copyright (c) 2008-2009, Code Aurora Forum. All rights reserved.
   2  *
   3  * This program is free software; you can redistribute it and/or modify
   4  * it under the terms of the GNU General Public License version 2 and
   5  * only version 2 as published by the Free Software Foundation.
   6  *
   7  * This program is distributed in the hope that it will be useful,
   8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
   9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10  * GNU General Public License for more details.
  11  */
  12
  13 #ifndef MSM_FB_H
  14 #define MSM_FB_H
  15
  16 #include <linux/module.h>
  17 #include <linux/kernel.h>
  18 #include <linux/sched.h>
  19 #include <linux/time.h>
  20 #include <linux/init.h>
  21 #include <linux/interrupt.h>
  22 #include "linux/proc_fs.h"
  23
  24 #include <mach/hardware.h>
  25 #include <linux/io.h>
  26 #include <mach/board.h>
  27
  28 #include <asm/system.h>
  29 #include <asm/mach-types.h>
  30 #include <mach/memory.h>
  31 #include <linux/semaphore.h>
  32 #include <linux/spinlock.h>
  33 #include <linux/workqueue.h>
  34 #include <linux/hrtimer.h>
  35
  36 #include <linux/fb.h>
  37
  38 #ifdef CONFIG_HAS_EARLYSUSPEND
  39 #include <linux/earlysuspend.h>
  40 #endif
  41
  42 #include "msm_fb_panel.h"
  43 #include "mdp.h"
  44
  45 #define MSM_FB_DEFAULT_PAGE_SIZE 2
  46 #define MFD_KEY  0x11161126
  47 #define MSM_FB_MAX_DEV_LIST 32
  48
  49 struct disp_info_type_suspend {
  50         boolean op_enable;
  51         boolean sw_refreshing_enable;
  52         boolean panel_power_on;
  53 };
  54
  55 struct msm_fb_data_type {
  56         __u32 key;
  57         __u32 index;
  58         __u32 ref_cnt;
  59         __u32 fb_page;
  60
  61         panel_id_type panel;
  62         struct msm_panel_info panel_info;
  63
  64         DISP_TARGET dest;
  65         struct fb_info *fbi;
  66
  67         boolean op_enable;
  68         uint32 fb_imgType;
  69         boolean sw_currently_refreshing;
  70         boolean sw_refreshing_enable;
  71         boolean hw_refresh;
  72
  73         MDPIBUF ibuf;
  74         boolean ibuf_flushed;
  75         struct timer_list refresh_timer;
  76         struct completion refresher_comp;
  77
  78         boolean pan_waiting;
  79         struct completion pan_comp;
  80
  81         /* vsync */
  82         boolean use_mdp_vsync;
  83         __u32 vsync_gpio;
  84         __u32 total_lcd_lines;
  85         __u32 total_porch_lines;
  86         __u32 lcd_ref_usec_time;
  87         __u32 refresh_timer_duration;
  88
  89         struct hrtimer dma_hrtimer;
  90
  91         boolean panel_power_on;
  92         struct work_struct dma_update_worker;
  93         struct semaphore sem;
  94
  95         struct timer_list vsync_resync_timer;
  96         boolean vsync_handler_pending;
  97         struct work_struct vsync_resync_worker;
  98
  99         ktime_t last_vsync_timetick;
 100
 101         __u32 *vsync_width_boundary;
 102
 103         unsigned int pmem_id;
 104         struct disp_info_type_suspend suspend;
 105
 106         __u32 channel_irq;
 107
 108         struct mdp_dma_data *dma;
 109         void (*dma_fnc) (struct msm_fb_data_type *mfd);
 110         int (*cursor_update) (struct fb_info *info,
 111                               struct fb_cursor *cursor);
 112         int (*lut_update) (struct fb_info *info,
 113                               struct fb_cmap *cmap);
 114         int (*do_histogram) (struct fb_info *info,
 115                               struct mdp_histogram *hist);
 116         void *cursor_buf;
 117         void *cursor_buf_phys;
 118
 119         void *cmd_port;
 120         void *data_port;
 121         void *data_port_phys;
 122
 123         __u32 bl_level;
 124
 125         struct platform_device *pdev;
 126
 127         __u32 var_xres;
 128         __u32 var_yres;
 129         __u32 var_pixclock;
 130
 131 #ifdef MSM_FB_ENABLE_DBGFS
 132         struct dentry *sub_dir;
 133 #endif
 134
 135 #ifdef CONFIG_HAS_EARLYSUSPEND
 136         struct early_suspend early_suspend;
 137         struct early_suspend mddi_early_suspend;
 138         struct early_suspend mddi_ext_early_suspend;
 139 #endif
 140         u32 mdp_fb_page_protection;
 141         int allow_set_offset;
 142 };
 143
 144 struct dentry *msm_fb_get_debugfs_root(void);
 145 void msm_fb_debugfs_file_create(struct dentry *root, const char *name,
 146                                 u32 *var);
 147 void msm_fb_set_backlight(struct msm_fb_data_type *mfd, __u32 bkl_lvl,
 148                                 u32 save);
 149
 150 void msm_fb_add_device(struct platform_device *pdev);
 151
 152 int msm_fb_detect_client(const char *name);
 153
 154 #ifdef CONFIG_FB_BACKLIGHT
 155 void msm_fb_config_backlight(struct msm_fb_data_type *mfd);
 156 #endif
 157
 158 #endif /* MSM_FB_H */