drivers/staging/msm/msm_fb.h

   1 /* Copyright (c) 2008-2009, Code Aurora Forum. All rights reserved.
   2  *
   3  * Redistribution and use in source and binary forms, with or without
   4  * modification, are permitted provided that the following conditions are met:
   5  *     * Redistributions of source code must retain the above copyright
   6  *       notice, this list of conditions and the following disclaimer.
   7  *     * Redistributions in binary form must reproduce the above copyright
   8  *       notice, this list of conditions and the following disclaimer in the
   9  *       documentation and/or other materials provided with the distribution.
  10  *     * Neither the name of Code Aurora nor
  11  *       the names of its contributors may be used to endorse or promote
  12  *       products derived from this software without specific prior written
  13  *       permission.
  14  *
  15  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  16  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  17  * IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  18  * NON-INFRINGEMENT ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
  19  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  20  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  21  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
  22  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  23  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  24  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  25  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26  *
  27  */
  28
  29 #ifndef MSM_FB_H
  30 #define MSM_FB_H
  31
  32 #include <linux/module.h>
  33 #include <linux/kernel.h>
  34 #include <linux/sched.h>
  35 #include <linux/time.h>
  36 #include <linux/init.h>
  37 #include <linux/interrupt.h>
  38 #include "linux/proc_fs.h"
  39
  40 #include <mach/hardware.h>
  41 #include <linux/io.h>
  42 #include <mach/board.h>
  43
  44 #include <asm/system.h>
  45 #include <asm/mach-types.h>
  46 #include <mach/memory.h>
  47 #include <linux/semaphore.h>
  48 #include <linux/spinlock.h>
  49 #include <linux/workqueue.h>
  50 #include <linux/hrtimer.h>
  51
  52 #include <linux/fb.h>
  53
  54 #ifdef CONFIG_HAS_EARLYSUSPEND
  55 #include <linux/earlysuspend.h>
  56 #endif
  57
  58 #include "msm_fb_panel.h"
  59 #include "mdp.h"
  60
  61 #define MSM_FB_DEFAULT_PAGE_SIZE 2
  62 #define MFD_KEY  0x11161126
  63 #define MSM_FB_MAX_DEV_LIST 32
  64
  65 struct disp_info_type_suspend {
  66         boolean op_enable;
  67         boolean sw_refreshing_enable;
  68         boolean panel_power_on;
  69 };
  70
  71 struct msm_fb_data_type {
  72         __u32 key;
  73         __u32 index;
  74         __u32 ref_cnt;
  75         __u32 fb_page;
  76
  77         panel_id_type panel;
  78         struct msm_panel_info panel_info;
  79
  80         DISP_TARGET dest;
  81         struct fb_info *fbi;
  82
  83         boolean op_enable;
  84         uint32 fb_imgType;
  85         boolean sw_currently_refreshing;
  86         boolean sw_refreshing_enable;
  87         boolean hw_refresh;
  88
  89         MDPIBUF ibuf;
  90         boolean ibuf_flushed;
  91         struct timer_list refresh_timer;
  92         struct completion refresher_comp;
  93
  94         boolean pan_waiting;
  95         struct completion pan_comp;
  96
  97         /* vsync */
  98         boolean use_mdp_vsync;
  99         __u32 vsync_gpio;
 100         __u32 total_lcd_lines;
 101         __u32 total_porch_lines;
 102         __u32 lcd_ref_usec_time;
 103         __u32 refresh_timer_duration;
 104
 105         struct hrtimer dma_hrtimer;
 106
 107         boolean panel_power_on;
 108         struct work_struct dma_update_worker;
 109         struct semaphore sem;
 110
 111         struct timer_list vsync_resync_timer;
 112         boolean vsync_handler_pending;
 113         struct work_struct vsync_resync_worker;
 114
 115         ktime_t last_vsync_timetick;
 116
 117         __u32 *vsync_width_boundary;
 118
 119         unsigned int pmem_id;
 120         struct disp_info_type_suspend suspend;
 121
 122         __u32 channel_irq;
 123
 124         struct mdp_dma_data *dma;
 125         void (*dma_fnc) (struct msm_fb_data_type *mfd);
 126         int (*cursor_update) (struct fb_info *info,
 127                               struct fb_cursor *cursor);
 128         int (*lut_update) (struct fb_info *info,
 129                               struct fb_cmap *cmap);
 130         int (*do_histogram) (struct fb_info *info,
 131                               struct mdp_histogram *hist);
 132         void *cursor_buf;
 133         void *cursor_buf_phys;
 134
 135         void *cmd_port;
 136         void *data_port;
 137         void *data_port_phys;
 138
 139         __u32 bl_level;
 140
 141         struct platform_device *pdev;
 142
 143         __u32 var_xres;
 144         __u32 var_yres;
 145         __u32 var_pixclock;
 146
 147 #ifdef MSM_FB_ENABLE_DBGFS
 148         struct dentry *sub_dir;
 149 #endif
 150
 151 #ifdef CONFIG_HAS_EARLYSUSPEND
 152         struct early_suspend early_suspend;
 153         struct early_suspend mddi_early_suspend;
 154         struct early_suspend mddi_ext_early_suspend;
 155 #endif
 156         u32 mdp_fb_page_protection;
 157         int allow_set_offset;
 158 };
 159
 160 struct dentry *msm_fb_get_debugfs_root(void);
 161 void msm_fb_debugfs_file_create(struct dentry *root, const char *name,
 162                                 u32 *var);
 163 void msm_fb_set_backlight(struct msm_fb_data_type *mfd, __u32 bkl_lvl,
 164                                 u32 save);
 165
 166 void msm_fb_add_device(struct platform_device *pdev);
 167
 168 int msm_fb_detect_client(const char *name);
 169
 170 #ifdef CONFIG_FB_BACKLIGHT
 171 void msm_fb_config_backlight(struct msm_fb_data_type *mfd);
 172 #endif
 173
 174 #endif /* MSM_FB_H */