linux-imx

/*

 * 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