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