linux/drivers/video/sh_mobile_lcdcfb.h
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   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 */
  10enum { 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
  17struct backlight_device;
  18struct fb_info;
  19struct module;
  20struct sh_mobile_lcdc_chan;
  21struct sh_mobile_lcdc_entity;
  22struct sh_mobile_lcdc_format_info;
  23struct sh_mobile_lcdc_priv;
  24
  25#define SH_MOBILE_LCDC_DISPLAY_DISCONNECTED     0
  26#define SH_MOBILE_LCDC_DISPLAY_CONNECTED        1
  27
  28struct 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
  34enum 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
  40struct 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 * @pan_y_offset: Panning linear offset in bytes (luma component)
  51 * @base_addr_y: Frame buffer viewport base address (luma component)
  52 * @base_addr_c: Frame buffer viewport base address (chroma component)
  53 * @pitch: Frame buffer line pitch
  54 */
  55struct sh_mobile_lcdc_chan {
  56        struct sh_mobile_lcdc_priv *lcdc;
  57        struct sh_mobile_lcdc_entity *tx_dev;
  58        const struct sh_mobile_lcdc_chan_cfg *cfg;
  59
  60        unsigned long *reg_offs;
  61        unsigned long ldmt1r_value;
  62        unsigned long enabled; /* ME and SE in LDCNT2R */
  63        void *cache;
  64
  65        struct mutex open_lock;         /* protects the use counter */
  66        int use_count;
  67
  68        void *fb_mem;
  69        unsigned long fb_size;
  70
  71        dma_addr_t dma_handle;
  72        unsigned long pan_y_offset;
  73
  74        unsigned long frame_end;
  75        wait_queue_head_t frame_end_wait;
  76        struct completion vsync_completion;
  77
  78        const struct sh_mobile_lcdc_format_info *format;
  79        u32 colorspace;
  80        unsigned int xres;
  81        unsigned int xres_virtual;
  82        unsigned int yres;
  83        unsigned int yres_virtual;
  84        unsigned int pitch;
  85
  86        unsigned long base_addr_y;
  87        unsigned long base_addr_c;
  88        unsigned int line_size;
  89
  90        int (*notify)(struct sh_mobile_lcdc_chan *ch,
  91                      enum sh_mobile_lcdc_entity_event event,
  92                      const struct fb_videomode *mode,
  93                      const struct fb_monspecs *monspec);
  94
  95        /* Backlight */
  96        struct backlight_device *bl;
  97        unsigned int bl_brightness;
  98
  99        /* FB */
 100        struct fb_info *info;
 101        u32 pseudo_palette[PALETTE_NR];
 102        struct {
 103                unsigned int width;
 104                unsigned int height;
 105                struct fb_videomode mode;
 106        } display;
 107        struct fb_deferred_io defio;
 108        struct scatterlist *sglist;
 109        int blank_status;
 110};
 111
 112#endif
 113
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