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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