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