1/*
2 * hecubafb.h - definitions for the hecuba 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_HECUBAFB_H_
13#define _LINUX_HECUBAFB_H_
14
15/* Apollo controller specific defines */
16#define APOLLO_START_NEW_IMG 0xA0
17#define APOLLO_STOP_IMG_DATA 0xA1
18#define APOLLO_DISPLAY_IMG 0xA2
19#define APOLLO_ERASE_DISPLAY 0xA3
20#define APOLLO_INIT_DISPLAY 0xA4
21
22/* Hecuba interface specific defines */
23#define HCB_WUP_BIT 0x01
24#define HCB_DS_BIT 0x02
25#define HCB_RW_BIT 0x04
26#define HCB_CD_BIT 0x08
27#define HCB_ACK_BIT 0x80
28
29/* struct used by hecuba. board specific stuff comes from *board */
30struct hecubafb_par {
31 struct fb_info *info;
32 struct hecuba_board *board;
33 void (*send_command)(struct hecubafb_par *, unsigned char);
34 void (*send_data)(struct hecubafb_par *, unsigned char);
35};
36
37/* board specific routines
38board drivers can implement wait_for_ack with interrupts if desired. if
39wait_for_ack is called with clear=0, then go to sleep and return when ack
40goes hi or if wait_for_ack with clear=1, then return when ack goes lo */
41struct hecuba_board {
42 struct module *owner;
43 void (*remove)(struct hecubafb_par *);
44 void (*set_ctl)(struct hecubafb_par *, unsigned char, unsigned char);
45 void (*set_data)(struct hecubafb_par *, unsigned char);
46 void (*wait_for_ack)(struct hecubafb_par *, int);
47 int (*init)(struct hecubafb_par *);
48};
49
50
51#endif
52