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-rw-r--r--tools/firewire/decode-fcp.c364
1 files changed, 168 insertions, 196 deletions
diff --git a/tools/firewire/decode-fcp.c b/tools/firewire/decode-fcp.c
index b6b372537618..9cd1550db24a 100644
--- a/tools/firewire/decode-fcp.c
+++ b/tools/firewire/decode-fcp.c
@@ -6,234 +6,206 @@
6#define CSR_FCP_COMMAND 0xfffff0000b00ull 6#define CSR_FCP_COMMAND 0xfffff0000b00ull
7#define CSR_FCP_RESPONSE 0xfffff0000d00ull 7#define CSR_FCP_RESPONSE 0xfffff0000d00ull
8 8
9static const char * const ctype_names[16] = { 9static const char * const ctype_names[] = {
10 "control", 10 [0x0] = "control", [0x8] = "not implemented",
11 "status", 11 [0x1] = "status", [0x9] = "accepted",
12 "specific inquiry", 12 [0x2] = "specific inquiry", [0xa] = "rejected",
13 "notify", 13 [0x3] = "notify", [0xb] = "in transition",
14 "general inquiry", 14 [0x4] = "general inquiry", [0xc] = "stable",
15 "(reserved 0x05)", 15 [0x5] = "(reserved 0x05)", [0xd] = "changed",
16 "(reserved 0x06)", 16 [0x6] = "(reserved 0x06)", [0xe] = "(reserved 0x0e)",
17 "(reserved 0x07)", 17 [0x7] = "(reserved 0x07)", [0xf] = "interim",
18 "not implemented",
19 "accepted",
20 "rejected",
21 "in transition",
22 "stable",
23 "changed",
24 "(reserved 0x0e)",
25 "interim"
26}; 18};
27 19
28static const char * const subunit_type_names[32] = { 20static const char * const subunit_type_names[] = {
29 "monitor", 21 [0x00] = "monitor", [0x10] = "(reserved 0x10)",
30 "audio", 22 [0x01] = "audio", [0x11] = "(reserved 0x11)",
31 "printer", 23 [0x02] = "printer", [0x12] = "(reserved 0x12)",
32 "disc", 24 [0x03] = "disc", [0x13] = "(reserved 0x13)",
33 "tape recorder/player", 25 [0x04] = "tape recorder/player",[0x14] = "(reserved 0x14)",
34 "tuner", 26 [0x05] = "tuner", [0x15] = "(reserved 0x15)",
35 "ca", 27 [0x06] = "ca", [0x16] = "(reserved 0x16)",
36 "camera", 28 [0x07] = "camera", [0x17] = "(reserved 0x17)",
37 "(reserved 0x08)", 29 [0x08] = "(reserved 0x08)", [0x18] = "(reserved 0x18)",
38 "panel", 30 [0x09] = "panel", [0x19] = "(reserved 0x19)",
39 "bulletin board", 31 [0x0a] = "bulletin board", [0x1a] = "(reserved 0x1a)",
40 "camera storage", 32 [0x0b] = "camera storage", [0x1b] = "(reserved 0x1b)",
41 "(reserved 0x0c)", 33 [0x0c] = "(reserved 0x0c)", [0x1c] = "vendor unique",
42 "(reserved 0x0d)", 34 [0x0d] = "(reserved 0x0d)", [0x1d] = "all subunit types",
43 "(reserved 0x0e)", 35 [0x0e] = "(reserved 0x0e)", [0x1e] = "subunit_type extended to next byte",
44 "(reserved 0x0f)", 36 [0x0f] = "(reserved 0x0f)", [0x1f] = "unit",
45 "(reserved 0x10)",
46 "(reserved 0x11)",
47 "(reserved 0x12)",
48 "(reserved 0x13)",
49 "(reserved 0x14)",
50 "(reserved 0x15)",
51 "(reserved 0x16)",
52 "(reserved 0x17)",
53 "(reserved 0x18)",
54 "(reserved 0x19)",
55 "(reserved 0x1a)",
56 "(reserved 0x1b)",
57 "vendor unique",
58 "all subunit types",
59 "subunit_type extended to next byte",
60 "unit"
61}; 37};
62 38
63struct avc_enum { 39struct avc_enum {
64 int value; 40 int value;
65 const char *name; 41 const char *name;
66}; 42};
67 43
68struct avc_field { 44struct avc_field {
69 const char *name; /* Short name for field. */ 45 const char *name; /* Short name for field. */
70 int offset; /* Location of field, specified in bits. 46 int offset; /* Location of field, specified in bits; */
71 * Negative means from end of packet */ 47 /* negative means from end of packet. */
72 int width; /* Width of field, 0 means use data_length. */ 48 int width; /* Width of field, 0 means use data_length. */
73 struct avc_enum *names; 49 struct avc_enum *names;
74}; 50};
75 51
76struct avc_opcode_info { 52struct avc_opcode_info {
77 const char *name; 53 const char *name;
78 struct avc_field fields[8]; 54 struct avc_field fields[8];
79}; 55};
80 56
81struct avc_enum power_field_names[] = { 57struct avc_enum power_field_names[] = {
82 { 0x70, "on" }, 58 { 0x70, "on" },
83 { 0x60, "off" }, 59 { 0x60, "off" },
84 { } 60 { }
85}; 61};
86 62
87static const struct avc_opcode_info opcode_info[256] = { 63static const struct avc_opcode_info opcode_info[256] = {
88 64
89 /* TA Document 1999026 65 /* TA Document 1999026 */
90 * AV/C Digital Interface Command Set General Specification 66 /* AV/C Digital Interface Command Set General Specification 4.0 */
91 * Version 4.0 */ 67 [0xb2] = { "power", {
92 [0xb2] = 68 { "state", 0, 8, power_field_names }
93 { "power", { 69 }
94 { "state", 0, 8, power_field_names } 70 },
95 } 71 [0x30] = { "unit info", {
96 }, 72 { "foo", 0, 8 },
97 [0x30] = 73 { "unit_type", 8, 5 },
98 { "unit info", { 74 { "unit", 13, 3 },
99 { "foo", 0, 8 }, 75 { "company id", 16, 24 },
100 { "unit_type", 8, 5 }, 76 }
101 { "unit", 13, 3 }, 77 },
102 { "company id", 16, 24 }, 78 [0x31] = { "subunit info" },
103 } 79 [0x01] = { "reserve" },
104 }, 80 [0xb0] = { "version" },
105 [0x31] = { "subunit info" }, 81 [0x00] = { "vendor dependent" },
106 [0x01] = { "reserve" }, 82 [0x02] = { "plug info" },
107 [0xb0] = { "version" }, 83 [0x12] = { "channel usage" },
108 [0x00] = { "vendor dependent" }, 84 [0x24] = { "connect" },
109 85 [0x20] = { "connect av" },
110 [0x02] = { "plug info" }, 86 [0x22] = { "connections" },
111 [0x12] = { "channel usage" }, 87 [0x11] = { "digital input" },
112 [0x24] = { "connect" }, 88 [0x10] = { "digital output" },
113 [0x20] = { "connect av" }, 89 [0x25] = { "disconnect" },
114 [0x22] = { "connections" }, 90 [0x21] = { "disconnect av" },
115 [0x11] = { "digital input" }, 91 [0x19] = { "input plug signal format" },
116 [0x10] = { "digital output" }, 92 [0x18] = { "output plug signal format" },
117 [0x25] = { "disconnect" }, 93 [0x1f] = { "general bus setup" },
118 [0x21] = { "disconnect av" }, 94
119 [0x19] = { "input plug signal format" }, 95 /* TA Document 1999025 */
120 [0x18] = { "output plug signal format" }, 96 /* AV/C Descriptor Mechanism Specification Version 1.0 */
121 [0x1f] = { "general bus setup" }, 97 [0x0c] = { "create descriptor" },
122 98 [0x08] = { "open descriptor" },
123 /* TA Document 1999025 99 [0x09] = { "read descriptor" },
124 * AV/C Descriptor Mechanism Specification Version 1.0 */ 100 [0x0a] = { "write descriptor" },
125 [0x0c] = { "create descriptor" }, 101 [0x05] = { "open info block" },
126 [0x08] = { "open descriptor" }, 102 [0x06] = { "read info block" },
127 [0x09] = { "read descriptor" }, 103 [0x07] = { "write info block" },
128 [0x0a] = { "write descriptor" }, 104 [0x0b] = { "search descriptor" },
129 [0x05] = { "open info block" }, 105 [0x0d] = { "object number select" },
130 [0x06] = { "read info block" }, 106
131 [0x07] = { "write info block" }, 107 /* TA Document 1999015 */
132 [0x0b] = { "search descriptor" }, 108 /* AV/C Command Set for Rate Control of Isochronous Data Flow 1.0 */
133 [0x0d] = { "object number select" }, 109 [0xb3] = { "rate", {
134 110 { "subfunction", 0, 8 },
135 /* TA Document 1999015 111 { "result", 8, 8 },
136 * AV/C Command Set for Rate Control of Isochronous Data Flow 1.0 */ 112 { "plug_type", 16, 8 },
137 [0xb3] = { "rate", { 113 { "plug_id", 16, 8 },
138 { "subfunction", 0, 8 }, 114 }
139 { "result", 8, 8 }, 115 },
140 { "plug_type", 16, 8 }, 116
141 { "plug_id", 16, 8 }, 117 /* TA Document 1999008 */
142 } 118 /* AV/C Audio Subunit Specification 1.0 */
143 }, 119 [0xb8] = { "function block" },
144 120
145 /* TA Document 1999008 121 /* TA Document 2001001 */
146 * AV/C Audio Subunit Specification 1.0 */ 122 /* AV/C Panel Subunit Specification 1.1 */
147 [0xb8] = { "function block" }, 123 [0x7d] = { "gui update" },
148 124 [0x7e] = { "push gui data" },
149 /* TA Document 2001001 125 [0x7f] = { "user action" },
150 * AV/C Panel Subunit Specification 1.1 */ 126 [0x7c] = { "pass through" },
151 [0x7d] = { "gui update" }, 127
152 [0x7e] = { "push gui data" }, 128 /* */
153 [0x7f] = { "user action" }, 129 [0x26] = { "asynchronous connection" },
154 [0x7c] = { "pass through" },
155
156 /* */
157 [0x26] = { "asynchronous connection" },
158}; 130};
159 131
160struct avc_frame { 132struct avc_frame {
161 uint32_t operand0:8; 133 uint32_t operand0:8;
162 uint32_t opcode:8; 134 uint32_t opcode:8;
163 uint32_t subunit_id:3; 135 uint32_t subunit_id:3;
164 uint32_t subunit_type:5; 136 uint32_t subunit_type:5;
165 uint32_t ctype:4; 137 uint32_t ctype:4;
166 uint32_t cts:4; 138 uint32_t cts:4;
167}; 139};
168 140
169static void 141static void
170decode_avc(struct link_transaction *t) 142decode_avc(struct link_transaction *t)
171{ 143{
172 struct avc_frame *frame = (struct avc_frame *) t->request->packet.write_block.data; 144 struct avc_frame *frame =
173 const struct avc_opcode_info *info; 145 (struct avc_frame *) t->request->packet.write_block.data;
174 const char *name; 146 const struct avc_opcode_info *info;
175 char buffer[32]; 147 const char *name;
176 int i; 148 char buffer[32];
177 149 int i;
178 info = &opcode_info[frame->opcode]; 150
179 if (info->name == NULL) { 151 info = &opcode_info[frame->opcode];
180 snprintf(buffer, sizeof buffer, "(unknown opcode 0x%02x)", frame->opcode); 152 if (info->name == NULL) {
181 name = buffer; 153 snprintf(buffer, sizeof(buffer),
182 } else { 154 "(unknown opcode 0x%02x)", frame->opcode);
183 name = info->name; 155 name = buffer;
184 } 156 } else {
185 157 name = info->name;
186 printf("av/c %s, subunit_type=%s, subunit_id=%d, opcode=%s", 158 }
187 ctype_names[frame->ctype], subunit_type_names[frame->subunit_type],
188 frame->subunit_id, name);
189
190 for (i = 0; info->fields[i].name != NULL; i++) {
191 printf(", %s", info->fields[i].name);
192 }
193
194 printf("\n");
195}
196 159
160 printf("av/c %s, subunit_type=%s, subunit_id=%d, opcode=%s",
161 ctype_names[frame->ctype], subunit_type_names[frame->subunit_type],
162 frame->subunit_id, name);
163
164 for (i = 0; info->fields[i].name != NULL; i++)
165 printf(", %s", info->fields[i].name);
166
167 printf("\n");
168}
197 169
198int 170int
199decode_fcp(struct link_transaction *t) 171decode_fcp(struct link_transaction *t)
200{ 172{
201 struct avc_frame *frame = (struct avc_frame *) t->request->packet.write_block.data; 173 struct avc_frame *frame =
202 unsigned long long offset; 174 (struct avc_frame *) t->request->packet.write_block.data;
203 175 unsigned long long offset =
204 offset = ((unsigned long long) t->request->packet.common.offset_high << 32) | 176 ((unsigned long long) t->request->packet.common.offset_high << 32) |
205 t->request->packet.common.offset_low; 177 t->request->packet.common.offset_low;
206 178
207 if (t->request->packet.common.tcode != TCODE_WRITE_BLOCK) 179 if (t->request->packet.common.tcode != TCODE_WRITE_BLOCK)
208 return 0; 180 return 0;
209 181
210 if (offset == CSR_FCP_COMMAND || offset == CSR_FCP_RESPONSE) { 182 if (offset == CSR_FCP_COMMAND || offset == CSR_FCP_RESPONSE) {
211 switch (frame->cts) { 183 switch (frame->cts) {
212 case 0x00: 184 case 0x00:
213 decode_avc(t); 185 decode_avc(t);
214 break; 186 break;
215 case 0x01: 187 case 0x01:
216 printf("cal fcp frame (cts=0x01)\n"); 188 printf("cal fcp frame (cts=0x01)\n");
217 break; 189 break;
218 case 0x02: 190 case 0x02:
219 printf("ehs fcp frame (cts=0x02)\n"); 191 printf("ehs fcp frame (cts=0x02)\n");
220 break; 192 break;
221 case 0x03: 193 case 0x03:
222 printf("havi fcp frame (cts=0x03)\n"); 194 printf("havi fcp frame (cts=0x03)\n");
223 break; 195 break;
224 case 0x0e: 196 case 0x0e:
225 printf("vendor specific fcp frame (cts=0x0e)\n"); 197 printf("vendor specific fcp frame (cts=0x0e)\n");
226 break; 198 break;
227 case 0x0f: 199 case 0x0f:
228 printf("extended cts\n"); 200 printf("extended cts\n");
229 break; 201 break;
230 default: 202 default:
231 printf("reserved fcp frame (ctx=0x%02x)\n", frame->cts); 203 printf("reserved fcp frame (ctx=0x%02x)\n", frame->cts);
232 break; 204 break;
205 }
206 return 1;
233 } 207 }
234 return 1;
235 }
236 208
237 return 0; 209 return 0;
238} 210}
239 211
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