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_entity;
  21 struct sh_mobile_lcdc_priv;
  22 struct sh_mobile_lcdc_chan;
  23
  24 #define SH_MOBILE_LCDC_DISPLAY_DISCONNECTED     0
  25 #define SH_MOBILE_LCDC_DISPLAY_CONNECTED        1
  26
  27 struct sh_mobile_lcdc_entity_ops {
  28         /* Display */
  29         int (*display_on)(struct sh_mobile_lcdc_entity *entity);
  30         void (*display_off)(struct sh_mobile_lcdc_entity *entity);
  31 };
  32
  33 enum sh_mobile_lcdc_entity_event {
  34         SH_MOBILE_LCDC_EVENT_DISPLAY_CONNECT,
  35         SH_MOBILE_LCDC_EVENT_DISPLAY_DISCONNECT,
  36         SH_MOBILE_LCDC_EVENT_DISPLAY_MODE,
  37 };
  38
  39 struct sh_mobile_lcdc_entity {
  40         struct module *owner;
  41         const struct sh_mobile_lcdc_entity_ops *ops;
  42         struct sh_mobile_lcdc_chan *lcdc;
  43         struct fb_videomode def_mode;
  44 };
  45
  46 /*
  47  * struct sh_mobile_lcdc_chan - LCDC display channel
  48  *
  49  * @base_addr_y: Frame buffer viewport base address (luma component)
  50  * @base_addr_c: Frame buffer viewport base address (chroma component)
  51  * @pitch: Frame buffer line pitch
  52  */
  53 struct sh_mobile_lcdc_chan {
  54         struct sh_mobile_lcdc_priv *lcdc;
  55         struct sh_mobile_lcdc_entity *tx_dev;
  56         struct sh_mobile_lcdc_chan_cfg cfg;
  57
  58         unsigned long *reg_offs;
  59         unsigned long ldmt1r_value;
  60         unsigned long enabled; /* ME and SE in LDCNT2R */
  61         int meram_enabled;
  62
  63         struct mutex open_lock;         /* protects the use counter */
  64         int use_count;
  65
  66         dma_addr_t dma_handle;
  67         unsigned long pan_offset;
  68
  69         unsigned long frame_end;
  70         wait_queue_head_t frame_end_wait;
  71         struct completion vsync_completion;
  72
  73         unsigned long base_addr_y;
  74         unsigned long base_addr_c;
  75         unsigned int pitch;
  76
  77         int (*notify)(struct sh_mobile_lcdc_chan *ch,
  78                       enum sh_mobile_lcdc_entity_event event,
  79                       const struct fb_videomode *mode,
  80                       const struct fb_monspecs *monspec);
  81
  82         /* Backlight */
  83         struct backlight_device *bl;
  84
  85         /* FB */
  86         struct fb_info *info;
  87         u32 pseudo_palette[PALETTE_NR];
  88         struct {
  89                 unsigned int width;
  90                 unsigned int height;
  91                 struct fb_videomode mode;
  92         } display;
  93         struct fb_deferred_io defio;
  94         struct scatterlist *sglist;
  95         int blank_status;
  96 };
  97
  98 #endif