drivers/video/sh_mobile_lcdcfb.h

   1 #ifndef SH_MOBILE_LCDCFB_H
   2 #define SH_MOBILE_LCDCFB_H
   3
   4 #include <linux/completion.h>
   5 #include <linux/fb.h>
   6 #include <linux/mutex.h>
   7 #include <linux/wait.h>
   8
   9 /* per-channel registers */
  10 enum { LDDCKPAT1R, LDDCKPAT2R, LDMT1R, LDMT2R, LDMT3R, LDDFR, LDSM1R,
  11        LDSM2R, LDSA1R, LDSA2R, LDMLSR, LDHCNR, LDHSYNR, LDVLNR, LDVSYNR, LDPMR,
  12        LDHAJR,
  13        NR_CH_REGS };
  14
  15 #define PALETTE_NR 16
  16
  17 struct backlight_device;
  18 struct fb_info;
  19 struct module;
  20 struct sh_mobile_lcdc_chan;
  21 struct sh_mobile_lcdc_entity;
  22 struct sh_mobile_lcdc_format_info;
  23 struct sh_mobile_lcdc_priv;
  24
  25 #define SH_MOBILE_LCDC_DISPLAY_DISCONNECTED     0
  26 #define SH_MOBILE_LCDC_DISPLAY_CONNECTED        1
  27
  28 struct sh_mobile_lcdc_entity_ops {
  29         /* Display */
  30         int (*display_on)(struct sh_mobile_lcdc_entity *entity);
  31         void (*display_off)(struct sh_mobile_lcdc_entity *entity);
  32 };
  33
  34 enum sh_mobile_lcdc_entity_event {
  35         SH_MOBILE_LCDC_EVENT_DISPLAY_CONNECT,
  36         SH_MOBILE_LCDC_EVENT_DISPLAY_DISCONNECT,
  37         SH_MOBILE_LCDC_EVENT_DISPLAY_MODE,
  38 };
  39
  40 struct sh_mobile_lcdc_entity {
  41         struct module *owner;
  42         const struct sh_mobile_lcdc_entity_ops *ops;
  43         struct sh_mobile_lcdc_chan *lcdc;
  44         struct fb_videomode def_mode;
  45 };
  46
  47 /*
  48  * struct sh_mobile_lcdc_chan - LCDC display channel
  49  *
  50  * @base_addr_y: Frame buffer viewport base address (luma component)
  51  * @base_addr_c: Frame buffer viewport base address (chroma component)
  52  * @pitch: Frame buffer line pitch
  53  */
  54 struct sh_mobile_lcdc_chan {
  55         struct sh_mobile_lcdc_priv *lcdc;
  56         struct sh_mobile_lcdc_entity *tx_dev;
  57         const struct sh_mobile_lcdc_chan_cfg *cfg;
  58
  59         unsigned long *reg_offs;
  60         unsigned long ldmt1r_value;
  61         unsigned long enabled; /* ME and SE in LDCNT2R */
  62         void *meram;
  63
  64         struct mutex open_lock;         /* protects the use counter */
  65         int use_count;
  66
  67         void *fb_mem;
  68         unsigned long fb_size;
  69
  70         dma_addr_t dma_handle;
  71         unsigned long pan_offset;
  72
  73         unsigned long frame_end;
  74         wait_queue_head_t frame_end_wait;
  75         struct completion vsync_completion;
  76
  77         const struct sh_mobile_lcdc_format_info *format;
  78         u32 colorspace;
  79         unsigned int xres;
  80         unsigned int xres_virtual;
  81         unsigned int yres;
  82         unsigned int yres_virtual;
  83         unsigned int pitch;
  84
  85         unsigned long base_addr_y;
  86         unsigned long base_addr_c;
  87
  88         int (*notify)(struct sh_mobile_lcdc_chan *ch,
  89                       enum sh_mobile_lcdc_entity_event event,
  90                       const struct fb_videomode *mode,
  91                       const struct fb_monspecs *monspec);
  92
  93         /* Backlight */
  94         struct backlight_device *bl;
  95
  96         /* FB */
  97         struct fb_info *info;
  98         u32 pseudo_palette[PALETTE_NR];
  99         struct {
 100                 unsigned int width;
 101                 unsigned int height;
 102                 struct fb_videomode mode;
 103         } display;
 104         struct fb_deferred_io defio;
 105         struct scatterlist *sglist;
 106         int blank_status;
 107 };
 108
 109 #endif