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8#include "oxfw.h"
9
10#define OXFORD_FIRMWARE_ID_ADDRESS (CSR_REGISTER_BASE + 0x50000)
11
12
13#define OXFORD_HARDWARE_ID_ADDRESS (CSR_REGISTER_BASE + 0x90020)
14#define OXFORD_HARDWARE_ID_OXFW970 0x39443841
15#define OXFORD_HARDWARE_ID_OXFW971 0x39373100
16
17#define VENDOR_LOUD 0x000ff2
18#define VENDOR_GRIFFIN 0x001292
19#define VENDOR_BEHRINGER 0x001564
20#define VENDOR_LACIE 0x00d04b
21
22#define SPECIFIER_1394TA 0x00a02d
23#define VERSION_AVC 0x010001
24
25MODULE_DESCRIPTION("Oxford Semiconductor FW970/971 driver");
26MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");
27MODULE_LICENSE("GPL v2");
28MODULE_ALIAS("snd-firewire-speakers");
29
30static bool detect_loud_models(struct fw_unit *unit)
31{
32 const char *const models[] = {
33 "Onyxi",
34 "Onyx-i",
35 "d.Pro",
36 "Mackie Onyx Satellite",
37 "Tapco LINK.firewire 4x6",
38 "U.420"};
39 char model[32];
40 unsigned int i;
41 int err;
42
43 err = fw_csr_string(unit->directory, CSR_MODEL,
44 model, sizeof(model));
45 if (err < 0)
46 return false;
47
48 for (i = 0; i < ARRAY_SIZE(models); i++) {
49 if (strcmp(models[i], model) == 0)
50 break;
51 }
52
53 return (i < ARRAY_SIZE(models));
54}
55
56static int name_card(struct snd_oxfw *oxfw)
57{
58 struct fw_device *fw_dev = fw_parent_device(oxfw->unit);
59 char vendor[24];
60 char model[32];
61 const char *d, *v, *m;
62 u32 firmware;
63 int err;
64
65
66 err = fw_csr_string(fw_dev->config_rom + 5, CSR_VENDOR,
67 vendor, sizeof(vendor));
68 if (err < 0)
69 goto end;
70
71
72 err = fw_csr_string(oxfw->unit->directory, CSR_MODEL,
73 model, sizeof(model));
74 if (err < 0)
75 goto end;
76
77 err = snd_fw_transaction(oxfw->unit, TCODE_READ_QUADLET_REQUEST,
78 OXFORD_FIRMWARE_ID_ADDRESS, &firmware, 4, 0);
79 if (err < 0)
80 goto end;
81 be32_to_cpus(&firmware);
82
83
84 if (oxfw->device_info) {
85 d = oxfw->device_info->driver_name;
86 v = oxfw->device_info->vendor_name;
87 m = oxfw->device_info->model_name;
88 } else {
89 d = "OXFW";
90 v = vendor;
91 m = model;
92 }
93
94 strcpy(oxfw->card->driver, d);
95 strcpy(oxfw->card->mixername, m);
96 strcpy(oxfw->card->shortname, m);
97
98 snprintf(oxfw->card->longname, sizeof(oxfw->card->longname),
99 "%s %s (OXFW%x %04x), GUID %08x%08x at %s, S%d",
100 v, m, firmware >> 20, firmware & 0xffff,
101 fw_dev->config_rom[3], fw_dev->config_rom[4],
102 dev_name(&oxfw->unit->device), 100 << fw_dev->max_speed);
103end:
104 return err;
105}
106
107static void oxfw_card_free(struct snd_card *card)
108{
109 struct snd_oxfw *oxfw = card->private_data;
110 unsigned int i;
111
112 for (i = 0; i < SND_OXFW_STREAM_FORMAT_ENTRIES; i++) {
113 kfree(oxfw->tx_stream_formats[i]);
114 kfree(oxfw->rx_stream_formats[i]);
115 }
116
117 mutex_destroy(&oxfw->mutex);
118}
119
120static int oxfw_probe(struct fw_unit *unit,
121 const struct ieee1394_device_id *id)
122{
123 struct snd_card *card;
124 struct snd_oxfw *oxfw;
125 int err;
126
127 if ((id->vendor_id == VENDOR_LOUD) && !detect_loud_models(unit))
128 return -ENODEV;
129
130 err = snd_card_new(&unit->device, -1, NULL, THIS_MODULE,
131 sizeof(*oxfw), &card);
132 if (err < 0)
133 return err;
134
135 card->private_free = oxfw_card_free;
136 oxfw = card->private_data;
137 oxfw->card = card;
138 mutex_init(&oxfw->mutex);
139 oxfw->unit = unit;
140 oxfw->device_info = (const struct device_info *)id->driver_data;
141 spin_lock_init(&oxfw->lock);
142 init_waitqueue_head(&oxfw->hwdep_wait);
143
144 err = snd_oxfw_stream_discover(oxfw);
145 if (err < 0)
146 goto error;
147
148 err = name_card(oxfw);
149 if (err < 0)
150 goto error;
151
152 err = snd_oxfw_create_pcm(oxfw);
153 if (err < 0)
154 goto error;
155
156 if (oxfw->device_info) {
157 err = snd_oxfw_create_mixer(oxfw);
158 if (err < 0)
159 goto error;
160 }
161
162 snd_oxfw_proc_init(oxfw);
163
164 err = snd_oxfw_create_midi(oxfw);
165 if (err < 0)
166 goto error;
167
168 err = snd_oxfw_create_hwdep(oxfw);
169 if (err < 0)
170 goto error;
171
172 err = snd_oxfw_stream_init_simplex(oxfw, &oxfw->rx_stream);
173 if (err < 0)
174 goto error;
175 if (oxfw->has_output) {
176 err = snd_oxfw_stream_init_simplex(oxfw, &oxfw->tx_stream);
177 if (err < 0)
178 goto error;
179 }
180
181 err = snd_card_register(card);
182 if (err < 0) {
183 snd_oxfw_stream_destroy_simplex(oxfw, &oxfw->rx_stream);
184 if (oxfw->has_output)
185 snd_oxfw_stream_destroy_simplex(oxfw, &oxfw->tx_stream);
186 goto error;
187 }
188 dev_set_drvdata(&unit->device, oxfw);
189
190 return 0;
191error:
192 snd_card_free(card);
193 return err;
194}
195
196static void oxfw_bus_reset(struct fw_unit *unit)
197{
198 struct snd_oxfw *oxfw = dev_get_drvdata(&unit->device);
199
200 fcp_bus_reset(oxfw->unit);
201
202 mutex_lock(&oxfw->mutex);
203
204 snd_oxfw_stream_update_simplex(oxfw, &oxfw->rx_stream);
205 if (oxfw->has_output)
206 snd_oxfw_stream_update_simplex(oxfw, &oxfw->tx_stream);
207
208 mutex_unlock(&oxfw->mutex);
209}
210
211static void oxfw_remove(struct fw_unit *unit)
212{
213 struct snd_oxfw *oxfw = dev_get_drvdata(&unit->device);
214
215 snd_card_disconnect(oxfw->card);
216
217 snd_oxfw_stream_destroy_simplex(oxfw, &oxfw->rx_stream);
218 if (oxfw->has_output)
219 snd_oxfw_stream_destroy_simplex(oxfw, &oxfw->tx_stream);
220
221 snd_card_free_when_closed(oxfw->card);
222}
223
224static const struct device_info griffin_firewave = {
225 .driver_name = "FireWave",
226 .vendor_name = "Griffin",
227 .model_name = "FireWave",
228 .mixer_channels = 6,
229 .mute_fb_id = 0x01,
230 .volume_fb_id = 0x02,
231};
232
233static const struct device_info lacie_speakers = {
234 .driver_name = "FWSpeakers",
235 .vendor_name = "LaCie",
236 .model_name = "FireWire Speakers",
237 .mixer_channels = 1,
238 .mute_fb_id = 0x01,
239 .volume_fb_id = 0x01,
240};
241
242static const struct ieee1394_device_id oxfw_id_table[] = {
243 {
244 .match_flags = IEEE1394_MATCH_VENDOR_ID |
245 IEEE1394_MATCH_MODEL_ID |
246 IEEE1394_MATCH_SPECIFIER_ID |
247 IEEE1394_MATCH_VERSION,
248 .vendor_id = VENDOR_GRIFFIN,
249 .model_id = 0x00f970,
250 .specifier_id = SPECIFIER_1394TA,
251 .version = VERSION_AVC,
252 .driver_data = (kernel_ulong_t)&griffin_firewave,
253 },
254 {
255 .match_flags = IEEE1394_MATCH_VENDOR_ID |
256 IEEE1394_MATCH_MODEL_ID |
257 IEEE1394_MATCH_SPECIFIER_ID |
258 IEEE1394_MATCH_VERSION,
259 .vendor_id = VENDOR_LACIE,
260 .model_id = 0x00f970,
261 .specifier_id = SPECIFIER_1394TA,
262 .version = VERSION_AVC,
263 .driver_data = (kernel_ulong_t)&lacie_speakers,
264 },
265
266 {
267 .match_flags = IEEE1394_MATCH_VENDOR_ID |
268 IEEE1394_MATCH_MODEL_ID,
269 .vendor_id = VENDOR_BEHRINGER,
270 .model_id = 0x00fc22,
271 },
272
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280
281
282 {
283 .match_flags = IEEE1394_MATCH_VENDOR_ID |
284 IEEE1394_MATCH_SPECIFIER_ID |
285 IEEE1394_MATCH_VERSION,
286 .vendor_id = VENDOR_LOUD,
287 .specifier_id = SPECIFIER_1394TA,
288 .version = VERSION_AVC,
289 },
290 { }
291};
292MODULE_DEVICE_TABLE(ieee1394, oxfw_id_table);
293
294static struct fw_driver oxfw_driver = {
295 .driver = {
296 .owner = THIS_MODULE,
297 .name = KBUILD_MODNAME,
298 .bus = &fw_bus_type,
299 },
300 .probe = oxfw_probe,
301 .update = oxfw_bus_reset,
302 .remove = oxfw_remove,
303 .id_table = oxfw_id_table,
304};
305
306static int __init snd_oxfw_init(void)
307{
308 return driver_register(&oxfw_driver.driver);
309}
310
311static void __exit snd_oxfw_exit(void)
312{
313 driver_unregister(&oxfw_driver.driver);
314}
315
316module_init(snd_oxfw_init);
317module_exit(snd_oxfw_exit);
318
