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19a15b93 KH |
1 | /* -*- c-basic-offset: 8 -*- |
2 | * | |
3 | * fw-device-cdev.h -- Char device interface. | |
4 | * | |
5 | * Copyright (C) 2005-2006 Kristian Hoegsberg <krh@bitplanet.net> | |
6 | * | |
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. | |
11 | * | |
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. | |
16 | * | |
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. | |
20 | */ | |
21 | ||
22 | #ifndef __fw_cdev_h | |
23 | #define __fw_cdev_h | |
24 | ||
25 | #include <asm/ioctl.h> | |
26 | #include <asm/types.h> | |
27 | ||
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 | |
5e20c282 SR |
36 | #define TCODE_LOCK_REQUEST 9 |
37 | #define TCODE_STREAM_DATA 10 | |
38 | #define TCODE_LOCK_RESPONSE 11 | |
19a15b93 | 39 | |
746083d8 KH |
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 | |
47 | ||
19a15b93 | 48 | #define RCODE_COMPLETE 0x0 |
5e20c282 SR |
49 | #define RCODE_CONFLICT_ERROR 0x4 |
50 | #define RCODE_DATA_ERROR 0x5 | |
51 | #define RCODE_TYPE_ERROR 0x6 | |
52 | #define RCODE_ADDRESS_ERROR 0x7 | |
19a15b93 KH |
53 | |
54 | #define SCODE_100 0x0 | |
55 | #define SCODE_200 0x1 | |
56 | #define SCODE_400 0x2 | |
57 | #define SCODE_800 0x3 | |
58 | #define SCODE_1600 0x4 | |
59 | #define SCODE_3200 0x5 | |
60 | ||
61 | #define FW_CDEV_EVENT_RESPONSE 0x00 | |
62 | #define FW_CDEV_EVENT_REQUEST 0x01 | |
63 | #define FW_CDEV_EVENT_ISO_INTERRUPT 0x02 | |
64 | ||
65 | /* The 'closure' fields are for user space to use. Data passed in the | |
66 | * 'closure' field for a request will be returned in the corresponding | |
67 | * event. It's a 64-bit type so that it's a fixed size type big | |
68 | * enough to hold a pointer on all platforms. */ | |
69 | ||
70 | struct fw_cdev_event_response { | |
71 | __u32 type; | |
72 | __u32 rcode; | |
73 | __u64 closure; | |
74 | __u32 length; | |
75 | __u32 data[0]; | |
76 | }; | |
77 | ||
78 | struct fw_cdev_event_request { | |
79 | __u32 type; | |
80 | __u32 tcode; | |
81 | __u64 offset; | |
82 | __u64 closure; | |
83 | __u32 serial; | |
84 | __u32 length; | |
85 | __u32 data[0]; | |
86 | }; | |
87 | ||
88 | struct fw_cdev_event_iso_interrupt { | |
89 | __u32 type; | |
90 | __u32 cycle; | |
91 | __u64 closure; | |
9b32d5f3 KH |
92 | __u32 header_length; /* Length in bytes of following headers. */ |
93 | __u32 header[0]; | |
19a15b93 KH |
94 | }; |
95 | ||
96 | #define FW_CDEV_IOC_GET_CONFIG_ROM _IOR('#', 0x00, struct fw_cdev_get_config_rom) | |
97 | #define FW_CDEV_IOC_SEND_REQUEST _IO('#', 0x01) | |
98 | #define FW_CDEV_IOC_ALLOCATE _IO('#', 0x02) | |
99 | #define FW_CDEV_IOC_SEND_RESPONSE _IO('#', 0x03) | |
100 | #define FW_CDEV_IOC_CREATE_ISO_CONTEXT _IO('#', 0x04) | |
101 | #define FW_CDEV_IOC_QUEUE_ISO _IO('#', 0x05) | |
69cdb726 | 102 | #define FW_CDEV_IOC_START_ISO _IO('#', 0x06) |
b8295668 | 103 | #define FW_CDEV_IOC_STOP_ISO _IO('#', 0x07) |
19a15b93 KH |
104 | |
105 | struct fw_cdev_get_config_rom { | |
106 | __u32 length; | |
107 | __u32 data[256]; | |
108 | }; | |
109 | ||
110 | struct fw_cdev_send_request { | |
111 | __u32 tcode; | |
112 | __u32 length; | |
113 | __u64 offset; | |
114 | __u64 closure; | |
115 | __u64 data; | |
116 | }; | |
117 | ||
118 | struct fw_cdev_send_response { | |
119 | __u32 rcode; | |
120 | __u32 length; | |
121 | __u64 data; | |
122 | __u32 serial; | |
123 | }; | |
124 | ||
125 | struct fw_cdev_allocate { | |
126 | __u64 offset; | |
127 | __u64 closure; | |
128 | __u32 length; | |
129 | }; | |
130 | ||
295e3feb KH |
131 | #define FW_CDEV_ISO_CONTEXT_TRANSMIT 0 |
132 | #define FW_CDEV_ISO_CONTEXT_RECEIVE 1 | |
133 | ||
19a15b93 | 134 | struct fw_cdev_create_iso_context { |
295e3feb KH |
135 | __u32 type; |
136 | __u32 header_size; | |
21efb3cf KH |
137 | __u32 channel; |
138 | __u32 speed; | |
19a15b93 KH |
139 | }; |
140 | ||
141 | struct fw_cdev_iso_packet { | |
5e20c282 | 142 | __u16 payload_length; /* Length of indirect payload. */ |
19a15b93 KH |
143 | __u32 interrupt : 1; /* Generate interrupt on this packet */ |
144 | __u32 skip : 1; /* Set to not send packet at all. */ | |
145 | __u32 tag : 2; | |
146 | __u32 sy : 4; | |
147 | __u32 header_length : 8; /* Length of immediate header. */ | |
5e20c282 | 148 | __u32 header[0]; |
19a15b93 KH |
149 | }; |
150 | ||
151 | struct fw_cdev_queue_iso { | |
152 | __u32 size; | |
153 | __u64 packets; | |
154 | __u64 data; | |
155 | }; | |
156 | ||
69cdb726 | 157 | struct fw_cdev_start_iso { |
19a15b93 KH |
158 | __s32 cycle; |
159 | }; | |
160 | ||
687198bb | 161 | #endif /* __fw_cdev_h */ |