NOLIST
;	This file is part of picide, ATA(PI) interface to PIC18 family MCUs.
;	Copyright (C) 2004-5 Toby Thain, toby@telegraphics.com.au

;	This program is free software; you can redistribute it and/or modify
;	it under the terms of the GNU General Public License as published by  
;	the Free Software Foundation; either version 2 of the License, or
;	(at your option) any later version.

;	This program is distributed in the hope that it will be useful,
;	but WITHOUT ANY WARRANTY; without even the implied warranty of
;	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;	GNU General Public License for more details.

;	You should have received a copy of the GNU General Public License  
;	along with this program; if not, write to the Free Software
;	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
	LIST

#define ATAPI_OPCODE	atapipkt+0
#define ATAPI_LBA24	atapipkt+2
#define ATAPI_PAGECTL	atapipkt+2
#define ATAPI_LBA16	atapipkt+3
#define ATAPI_LBA8	atapipkt+4
#define ATAPI_LBA0	atapipkt+5
; the following apply to READ10+READCD commands (not to READ12)
#define ATAPI_LEN16	atapipkt+6
#define ATAPI_LEN8	atapipkt+7
#define ATAPI_LEN0	atapipkt+8

#define ATAPI_CMD_INQUIRY	0x12
#define ATAPI_CMD_READ10	0x28
#define ATAPI_CMD_READCAPACITY	0x25
#define ATAPI_CMD_READCD	0xbe
#define ATAPI_CMD_REQSENSE	0x03
#define ATAPI_CMD_MODESENSE	0x5a

#define ATAPI_STATUS_CHECK	b'00000001'

#define ATAPI_SENSE_NOTREADY	2
#define ATAPI_SENSE_UNITATTN	6

; define largest transfer we can handle
; should be at least one sector, and a multiple of sector size
; (which for CD-ROM, is 2048)

#define ATAPI_TRANSFER_MAX	2048
#define ATAPI_CDDASECTOR	2352

#define ATAPI_FEATURES_PIO	0 ; no DMA, no overlap