1. 根目录:
2. include
3. linux
4. firewire-constants.h

/*
 * IEEE 1394 constants.
 *
 * Copyright (C) 2005-2007  Kristian Hoegsberg <krh@bitplanet.net>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */

#ifndef _LINUX_FIREWIRE_CONSTANTS_H
#define _LINUX_FIREWIRE_CONSTANTS_H

#define TCODE_WRITE_QUADLET_REQUEST	0x0
#define TCODE_WRITE_BLOCK_REQUEST	0x1
#define TCODE_WRITE_RESPONSE		0x2
#define TCODE_READ_QUADLET_REQUEST	0x4
#define TCODE_READ_BLOCK_REQUEST	0x5
#define TCODE_READ_QUADLET_RESPONSE	0x6
#define TCODE_READ_BLOCK_RESPONSE	0x7
#define TCODE_CYCLE_START		0x8
#define TCODE_LOCK_REQUEST		0x9
#define TCODE_STREAM_DATA		0xa
#define TCODE_LOCK_RESPONSE		0xb

#define EXTCODE_MASK_SWAP		0x1
#define EXTCODE_COMPARE_SWAP		0x2
#define EXTCODE_FETCH_ADD		0x3
#define EXTCODE_LITTLE_ADD		0x4
#define EXTCODE_BOUNDED_ADD		0x5
#define EXTCODE_WRAP_ADD		0x6
#define EXTCODE_VENDOR_DEPENDENT	0x7

/* Linux firewire-core (Juju) specific tcodes */
#define TCODE_LOCK_MASK_SWAP		(0x10 | EXTCODE_MASK_SWAP)
#define TCODE_LOCK_COMPARE_SWAP		(0x10 | EXTCODE_COMPARE_SWAP)
#define TCODE_LOCK_FETCH_ADD		(0x10 | EXTCODE_FETCH_ADD)
#define TCODE_LOCK_LITTLE_ADD		(0x10 | EXTCODE_LITTLE_ADD)
#define TCODE_LOCK_BOUNDED_ADD		(0x10 | EXTCODE_BOUNDED_ADD)
#define TCODE_LOCK_WRAP_ADD		(0x10 | EXTCODE_WRAP_ADD)
#define TCODE_LOCK_VENDOR_DEPENDENT	(0x10 | EXTCODE_VENDOR_DEPENDENT)

#define RCODE_COMPLETE			0x0
#define RCODE_CONFLICT_ERROR		0x4
#define RCODE_DATA_ERROR		0x5
#define RCODE_TYPE_ERROR		0x6
#define RCODE_ADDRESS_ERROR		0x7

/* Linux firewire-core (Juju) specific rcodes */
#define RCODE_SEND_ERROR		0x10
#define RCODE_CANCELLED			0x11
#define RCODE_BUSY			0x12
#define RCODE_GENERATION		0x13
#define RCODE_NO_ACK			0x14

#define SCODE_100			0x0
#define SCODE_200			0x1
#define SCODE_400			0x2
#define SCODE_800			0x3
#define SCODE_1600			0x4
#define SCODE_3200			0x5
#define SCODE_BETA			0x3

#define ACK_COMPLETE			0x1
#define ACK_PENDING			0x2
#define ACK_BUSY_X			0x4
#define ACK_BUSY_A			0x5
#define ACK_BUSY_B			0x6
#define ACK_DATA_ERROR			0xd
#define ACK_TYPE_ERROR			0xe

#define RETRY_1				0x00
#define RETRY_X				0x01
#define RETRY_A				0x02
#define RETRY_B				0x03

#endif /* _LINUX_FIREWIRE_CONSTANTS_H */