linux/include/video/broadsheetfb.h
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   1/*
   2 * broadsheetfb.h - definitions for the broadsheet framebuffer driver
   3 *
   4 * Copyright (C) 2008 by Jaya Kumar
   5 *
   6 * This file is subject to the terms and conditions of the GNU General Public
   7 * License. See the file COPYING in the main directory of this archive for
   8 * more details.
   9 *
  10 */
  11
  12#ifndef _LINUX_BROADSHEETFB_H_
  13#define _LINUX_BROADSHEETFB_H_
  14
  15/* Broadsheet command defines */
  16#define BS_CMD_INIT_SYS_RUN     0x06
  17#define BS_CMD_INIT_DSPE_CFG    0x09
  18#define BS_CMD_INIT_DSPE_TMG    0x0A
  19#define BS_CMD_INIT_ROTMODE     0x0B
  20#define BS_CMD_RD_REG           0x10
  21#define BS_CMD_WR_REG           0x11
  22#define BS_CMD_LD_IMG           0x20
  23#define BS_CMD_LD_IMG_AREA      0x22
  24#define BS_CMD_LD_IMG_END       0x23
  25#define BS_CMD_WAIT_DSPE_TRG    0x28
  26#define BS_CMD_WAIT_DSPE_FREND  0x29
  27#define BS_CMD_RD_WFM_INFO      0x30
  28#define BS_CMD_UPD_INIT         0x32
  29#define BS_CMD_UPD_FULL         0x33
  30#define BS_CMD_UPD_GDRV_CLR     0x37
  31
  32/* Broadsheet register interface defines */
  33#define BS_REG_REV              0x00
  34#define BS_REG_PRC              0x02
  35
  36/* Broadsheet pin interface specific defines */
  37#define BS_CS   0x01
  38#define BS_DC   0x02
  39#define BS_WR   0x03
  40
  41/* Broadsheet IO interface specific defines */
  42#define BS_MMIO_CMD     0x01
  43#define BS_MMIO_DATA    0x02
  44
  45/* struct used by broadsheet. board specific stuff comes from *board */
  46struct broadsheetfb_par {
  47        struct fb_info *info;
  48        struct broadsheet_board *board;
  49        void (*write_reg)(struct broadsheetfb_par *, u16 reg, u16 val);
  50        u16 (*read_reg)(struct broadsheetfb_par *, u16 reg);
  51        wait_queue_head_t waitq;
  52        int panel_index;
  53        struct mutex io_lock;
  54};
  55
  56/* board specific routines */
  57struct broadsheet_board {
  58        struct module *owner;
  59        int (*init)(struct broadsheetfb_par *);
  60        int (*wait_for_rdy)(struct broadsheetfb_par *);
  61        void (*cleanup)(struct broadsheetfb_par *);
  62        int (*get_panel_type)(void);
  63        int (*setup_irq)(struct fb_info *);
  64
  65        /* Functions for boards that use GPIO */
  66        void (*set_ctl)(struct broadsheetfb_par *, unsigned char, u8);
  67        void (*set_hdb)(struct broadsheetfb_par *, u16);
  68        u16 (*get_hdb)(struct broadsheetfb_par *);
  69
  70        /* Functions for boards that have specialized MMIO */
  71        void (*mmio_write)(struct broadsheetfb_par *, int type, u16);
  72        u16 (*mmio_read)(struct broadsheetfb_par *);
  73};
  74#endif
  75
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