broadsheetfb.h
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/*
* broadsheetfb.h - definitions for the broadsheet framebuffer driver
*
* Copyright (C) 2008 by Jaya Kumar
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file COPYING in the main directory of this archive for
* more details.
*
*/
#ifndef _LINUX_BROADSHEETFB_H_
#define _LINUX_BROADSHEETFB_H_
/* Broadsheet command defines */
#define BS_CMD_INIT_SYS_RUN 0x06
#define BS_CMD_INIT_DSPE_CFG 0x09
#define BS_CMD_INIT_DSPE_TMG 0x0A
#define BS_CMD_INIT_ROTMODE 0x0B
#define BS_CMD_RD_REG 0x10
#define BS_CMD_WR_REG 0x11
#define BS_CMD_LD_IMG 0x20
#define BS_CMD_LD_IMG_AREA 0x22
#define BS_CMD_LD_IMG_END 0x23
#define BS_CMD_WAIT_DSPE_TRG 0x28
#define BS_CMD_WAIT_DSPE_FREND 0x29
#define BS_CMD_RD_WFM_INFO 0x30
#define BS_CMD_UPD_INIT 0x32
#define BS_CMD_UPD_FULL 0x33
#define BS_CMD_UPD_GDRV_CLR 0x37
/* Broadsheet register interface defines */
#define BS_REG_REV 0x00
#define BS_REG_PRC 0x02
/* Broadsheet pin interface specific defines */
#define BS_CS 0x01
#define BS_DC 0x02
#define BS_WR 0x03
/* Broadsheet IO interface specific defines */
#define BS_MMIO_CMD 0x01
#define BS_MMIO_DATA 0x02
/* struct used by broadsheet. board specific stuff comes from *board */
struct broadsheetfb_par {
struct fb_info *info;
struct broadsheet_board *board;
void (*write_reg)(struct broadsheetfb_par *, u16 reg, u16 val);
u16 (*read_reg)(struct broadsheetfb_par *, u16 reg);
wait_queue_head_t waitq;
int panel_index;
struct mutex io_lock;
};
/* board specific routines */
struct broadsheet_board {
struct module *owner;
int (*init)(struct broadsheetfb_par *);
int (*wait_for_rdy)(struct broadsheetfb_par *);
void (*cleanup)(struct broadsheetfb_par *);
int (*get_panel_type)(void);
int (*setup_irq)(struct fb_info *);
/* Functions for boards that use GPIO */
void (*set_ctl)(struct broadsheetfb_par *, unsigned char, u8);
void (*set_hdb)(struct broadsheetfb_par *, u16);
u16 (*get_hdb)(struct broadsheetfb_par *);
/* Functions for boards that have specialized MMIO */
void (*mmio_write)(struct broadsheetfb_par *, int type, u16);
u16 (*mmio_read)(struct broadsheetfb_par *);
};
#endif