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/*
* hecubafb.h - definitions for the hecuba framebuffer driver
*
* Copyright (C) 2008 by Jaya Kumar
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file COPYING in the main directory of this archive for
* more details.
*
*/
#ifndef _LINUX_HECUBAFB_H_
#define _LINUX_HECUBAFB_H_
/* Apollo controller specific defines */
#define APOLLO_START_NEW_IMG 0xA0
#define APOLLO_STOP_IMG_DATA 0xA1
#define APOLLO_DISPLAY_IMG 0xA2
#define APOLLO_ERASE_DISPLAY 0xA3
#define APOLLO_INIT_DISPLAY 0xA4
/* Hecuba interface specific defines */
#define HCB_WUP_BIT 0x01
#define HCB_DS_BIT 0x02
#define HCB_RW_BIT 0x04
#define HCB_CD_BIT 0x08
#define HCB_ACK_BIT 0x80
/* struct used by hecuba. board specific stuff comes from *board */
struct hecubafb_par {
struct fb_info *info;
struct hecuba_board *board;
void (*send_command)(struct hecubafb_par *, unsigned char);
void (*send_data)(struct hecubafb_par *, unsigned char);
};
/* board specific routines
board drivers can implement wait_for_ack with interrupts if desired. if
wait_for_ack is called with clear=0, then go to sleep and return when ack
goes hi or if wait_for_ack with clear=1, then return when ack goes lo */
struct hecuba_board {
struct module *owner;
void (*remove)(struct hecubafb_par *);
void (*set_ctl)(struct hecubafb_par *, unsigned char, unsigned char);
void (*set_data)(struct hecubafb_par *, unsigned char);
void (*wait_for_ack)(struct hecubafb_par *, int);
int (*init)(struct hecubafb_par *);
};
#endif