xref: /openbmc/linux/include/video/broadsheetfb.h (revision b32bfc38)
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
75