include/video/broadsheetfb.h

   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 */
  46 struct 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 */
  57 struct 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