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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/include/video/broadsheetfb.h
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/*

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 * broadsheetfb.h - definitions for the broadsheet framebuffer driver

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 *

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 * Copyright (C) 2008 by Jaya Kumar

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 *

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 * This file is subject to the terms and conditions of the GNU General Public

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 * License. See the file COPYING in the main directory of this archive for

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 * more details.

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 *

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 */

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#ifndef _LINUX_BROADSHEETFB_H_

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#define _LINUX_BROADSHEETFB_H_

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/* Broadsheet command defines */

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#define BS_CMD_INIT_SYS_RUN	0x06

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#define BS_CMD_INIT_DSPE_CFG	0x09

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#define BS_CMD_INIT_DSPE_TMG	0x0A

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#define BS_CMD_INIT_ROTMODE	0x0B

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#define BS_CMD_RD_REG		0x10

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#define BS_CMD_WR_REG		0x11

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#define BS_CMD_LD_IMG		0x20

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#define BS_CMD_LD_IMG_AREA	0x22

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#define BS_CMD_LD_IMG_END	0x23

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#define BS_CMD_WAIT_DSPE_TRG	0x28

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#define BS_CMD_WAIT_DSPE_FREND	0x29

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#define BS_CMD_RD_WFM_INFO	0x30

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#define BS_CMD_UPD_INIT		0x32

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#define BS_CMD_UPD_FULL		0x33

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#define BS_CMD_UPD_GDRV_CLR	0x37

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/* Broadsheet register interface defines */

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#define BS_REG_REV		0x00

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#define BS_REG_PRC		0x02

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/* Broadsheet pin interface specific defines */

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#define BS_CS	0x01

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#define BS_DC 	0x02

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#define BS_WR 	0x03

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/* Broadsheet IO interface specific defines */

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#define BS_MMIO_CMD	0x01

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#define BS_MMIO_DATA	0x02

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/* struct used by broadsheet. board specific stuff comes from *board */

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struct broadsheetfb_par {

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	struct fb_info *info;

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	struct broadsheet_board *board;

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	void (*write_reg)(struct broadsheetfb_par *, u16 reg, u16 val);

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	u16 (*read_reg)(struct broadsheetfb_par *, u16 reg);

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	wait_queue_head_t waitq;

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	int panel_index;

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	struct mutex io_lock;

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};

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/* board specific routines */

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struct broadsheet_board {

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	struct module *owner;

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	int (*init)(struct broadsheetfb_par *);

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	int (*wait_for_rdy)(struct broadsheetfb_par *);

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	void (*cleanup)(struct broadsheetfb_par *);

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	int (*get_panel_type)(void);

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	int (*setup_irq)(struct fb_info *);

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	/* Functions for boards that use GPIO */

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	void (*set_ctl)(struct broadsheetfb_par *, unsigned char, u8);

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	void (*set_hdb)(struct broadsheetfb_par *, u16);

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	u16 (*get_hdb)(struct broadsheetfb_par *);

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	/* Functions for boards that have specialized MMIO */

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	void (*mmio_write)(struct broadsheetfb_par *, int type, u16);

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	u16 (*mmio_read)(struct broadsheetfb_par *);

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};

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#endif

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