1 /* -*- c-basic-offset: 8 -*-
3 * fw-device-cdev.h -- Char device interface.
5 * Copyright (C) 2005-2006 Kristian Hoegsberg <krh@bitplanet.net>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software Foundation,
19 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
25 #include <asm/ioctl.h>
26 #include <asm/types.h>
28 #define TCODE_WRITE_QUADLET_REQUEST 0
29 #define TCODE_WRITE_BLOCK_REQUEST 1
30 #define TCODE_WRITE_RESPONSE 2
31 #define TCODE_READ_QUADLET_REQUEST 4
32 #define TCODE_READ_BLOCK_REQUEST 5
33 #define TCODE_READ_QUADLET_RESPONSE 6
34 #define TCODE_READ_BLOCK_RESPONSE 7
35 #define TCODE_CYCLE_START 8
36 #define TCODE_LOCK_REQUEST 9
37 #define TCODE_STREAM_DATA 10
38 #define TCODE_LOCK_RESPONSE 11
40 #define TCODE_LOCK_MASK_SWAP 0x11
41 #define TCODE_LOCK_COMPARE_SWAP 0x12
42 #define TCODE_LOCK_FETCH_ADD 0x13
43 #define TCODE_LOCK_LITTLE_ADD 0x14
44 #define TCODE_LOCK_BOUNDED_ADD 0x15
45 #define TCODE_LOCK_WRAP_ADD 0x16
46 #define TCODE_LOCK_VENDOR_DEPENDENT 0x17
48 #define RCODE_COMPLETE 0x0
49 #define RCODE_CONFLICT_ERROR 0x4
50 #define RCODE_DATA_ERROR 0x5
51 #define RCODE_TYPE_ERROR 0x6
52 #define RCODE_ADDRESS_ERROR 0x7
58 #define SCODE_1600 0x4
59 #define SCODE_3200 0x5
61 #define FW_CDEV_EVENT_BUS_RESET 0x00
62 #define FW_CDEV_EVENT_RESPONSE 0x01
63 #define FW_CDEV_EVENT_REQUEST 0x02
64 #define FW_CDEV_EVENT_ISO_INTERRUPT 0x03
66 /* The 'closure' fields are for user space to use. Data passed in the
67 * 'closure' field for a request will be returned in the corresponding
68 * event. It's a 64-bit type so that it's a fixed size type big
69 * enough to hold a pointer on all platforms. */
71 struct fw_cdev_event_bus_reset {
81 struct fw_cdev_event_response {
89 struct fw_cdev_event_request {
99 struct fw_cdev_event_iso_interrupt {
103 __u32 header_length; /* Length in bytes of following headers. */
107 #define FW_CDEV_IOC_GET_INFO _IO('#', 0x00)
108 #define FW_CDEV_IOC_SEND_REQUEST _IO('#', 0x01)
109 #define FW_CDEV_IOC_ALLOCATE _IO('#', 0x02)
110 #define FW_CDEV_IOC_SEND_RESPONSE _IO('#', 0x03)
111 #define FW_CDEV_IOC_INITIATE_BUS_RESET _IO('#', 0x04)
112 #define FW_CDEV_IOC_CREATE_ISO_CONTEXT _IO('#', 0x05)
113 #define FW_CDEV_IOC_QUEUE_ISO _IO('#', 0x06)
114 #define FW_CDEV_IOC_START_ISO _IO('#', 0x07)
115 #define FW_CDEV_IOC_STOP_ISO _IO('#', 0x08)
117 /* FW_CDEV_VERSION History
119 * 1 Feb 18, 2007: Initial version.
121 #define FW_CDEV_VERSION 1
123 struct fw_cdev_get_info {
124 /* The version field is just a running serial number. We
125 * never break backwards compatibility. Userspace passes in
126 * the version it expects and the kernel passes back the
127 * highest version it can provide. Even if the structs in
128 * this interface are extended in a later version, the kernel
129 * will not copy back more data than what was present in the
130 * interface version userspace expects. */
133 /* If non-zero, at most rom_length bytes of config rom will be
134 * copied into that user space address. In either case,
135 * rom_length is updated with the actual length of the config
140 /* If non-zero, a fw_cdev_event_bus_reset struct will be
141 * copied here with the current state of the bus. */
144 /* The index of the card this devices belongs to. */
148 struct fw_cdev_send_request {
156 struct fw_cdev_send_response {
163 struct fw_cdev_allocate {
169 #define FW_CDEV_LONG_RESET 0
170 #define FW_CDEV_SHORT_RESET 1
172 struct fw_cdev_initiate_bus_reset {
176 #define FW_CDEV_ISO_CONTEXT_TRANSMIT 0
177 #define FW_CDEV_ISO_CONTEXT_RECEIVE 1
179 #define FW_CDEV_ISO_CONTEXT_MATCH_TAG0 1
180 #define FW_CDEV_ISO_CONTEXT_MATCH_TAG1 2
181 #define FW_CDEV_ISO_CONTEXT_MATCH_TAG2 4
182 #define FW_CDEV_ISO_CONTEXT_MATCH_TAG3 8
183 #define FW_CDEV_ISO_CONTEXT_MATCH_ALL_TAGS 15
185 struct fw_cdev_create_iso_context {
194 struct fw_cdev_iso_packet {
195 __u16 payload_length; /* Length of indirect payload. */
196 __u32 interrupt : 1; /* Generate interrupt on this packet */
197 __u32 skip : 1; /* Set to not send packet at all. */
200 __u32 header_length : 8; /* Length of immediate header. */
204 struct fw_cdev_queue_iso {
210 struct fw_cdev_start_iso {
214 #endif /* __fw_cdev_h */