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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; | |
92 | }; | |
93 | ||
94 | #define FW_CDEV_IOC_GET_CONFIG_ROM _IOR('#', 0x00, struct fw_cdev_get_config_rom) | |
95 | #define FW_CDEV_IOC_SEND_REQUEST _IO('#', 0x01) | |
96 | #define FW_CDEV_IOC_ALLOCATE _IO('#', 0x02) | |
97 | #define FW_CDEV_IOC_SEND_RESPONSE _IO('#', 0x03) | |
98 | #define FW_CDEV_IOC_CREATE_ISO_CONTEXT _IO('#', 0x04) | |
99 | #define FW_CDEV_IOC_QUEUE_ISO _IO('#', 0x05) | |
100 | #define FW_CDEV_IOC_SEND_ISO _IO('#', 0x06) | |
101 | ||
102 | struct fw_cdev_get_config_rom { | |
103 | __u32 length; | |
104 | __u32 data[256]; | |
105 | }; | |
106 | ||
107 | struct fw_cdev_send_request { | |
108 | __u32 tcode; | |
109 | __u32 length; | |
110 | __u64 offset; | |
111 | __u64 closure; | |
112 | __u64 data; | |
113 | }; | |
114 | ||
115 | struct fw_cdev_send_response { | |
116 | __u32 rcode; | |
117 | __u32 length; | |
118 | __u64 data; | |
119 | __u32 serial; | |
120 | }; | |
121 | ||
122 | struct fw_cdev_allocate { | |
123 | __u64 offset; | |
124 | __u64 closure; | |
125 | __u32 length; | |
126 | }; | |
127 | ||
295e3feb KH |
128 | #define FW_CDEV_ISO_CONTEXT_TRANSMIT 0 |
129 | #define FW_CDEV_ISO_CONTEXT_RECEIVE 1 | |
130 | ||
19a15b93 | 131 | struct fw_cdev_create_iso_context { |
295e3feb KH |
132 | __u32 type; |
133 | __u32 header_size; | |
9aad8125 | 134 | __u32 handle; |
19a15b93 KH |
135 | }; |
136 | ||
137 | struct fw_cdev_iso_packet { | |
5e20c282 | 138 | __u16 payload_length; /* Length of indirect payload. */ |
19a15b93 KH |
139 | __u32 interrupt : 1; /* Generate interrupt on this packet */ |
140 | __u32 skip : 1; /* Set to not send packet at all. */ | |
141 | __u32 tag : 2; | |
142 | __u32 sy : 4; | |
143 | __u32 header_length : 8; /* Length of immediate header. */ | |
5e20c282 | 144 | __u32 header[0]; |
19a15b93 KH |
145 | }; |
146 | ||
147 | struct fw_cdev_queue_iso { | |
148 | __u32 size; | |
149 | __u64 packets; | |
150 | __u64 data; | |
151 | }; | |
152 | ||
153 | struct fw_cdev_send_iso { | |
154 | __u32 channel; | |
155 | __u32 speed; | |
156 | __s32 cycle; | |
157 | }; | |
158 | ||
687198bb | 159 | #endif /* __fw_cdev_h */ |