| Jaya Kumar | 0e27aa3 | 2008-04-28 02:15:40 -0700 | [diff] [blame] | 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 */ |
| 30 | struct 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 |
| 38 | board drivers can implement wait_for_ack with interrupts if desired. if |
| 39 | wait_for_ack is called with clear=0, then go to sleep and return when ack |
| 40 | goes hi or if wait_for_ack with clear=1, then return when ack goes lo */ |
| 41 | struct 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 |