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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 */ | |
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 |