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