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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
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108
109
110
111
112
113static void oxfw_card_free(struct snd_card *card)
114{
115 struct snd_oxfw *oxfw = card->private_data;
116 unsigned int i;
117
118 snd_oxfw_stream_destroy_simplex(oxfw, &oxfw->rx_stream);
119 if (oxfw->has_output)
120 snd_oxfw_stream_destroy_simplex(oxfw, &oxfw->tx_stream);
121
122 fw_unit_put(oxfw->unit);
123
124 for (i = 0; i < SND_OXFW_STREAM_FORMAT_ENTRIES; i++) {
125 kfree(oxfw->tx_stream_formats[i]);
126 kfree(oxfw->rx_stream_formats[i]);
127 }
128
129 mutex_destroy(&oxfw->mutex);
130}
131
132static int oxfw_probe(struct fw_unit *unit,
133 const struct ieee1394_device_id *id)
134{
135 struct snd_card *card;
136 struct snd_oxfw *oxfw;
137 int err;
138
139 if ((id->vendor_id == VENDOR_LOUD) && !detect_loud_models(unit))
140 return -ENODEV;
141
142 err = snd_card_new(&unit->device, -1, NULL, THIS_MODULE,
143 sizeof(*oxfw), &card);
144 if (err < 0)
145 return err;
146
147 card->private_free = oxfw_card_free;
148 oxfw = card->private_data;
149 oxfw->card = card;
150 mutex_init(&oxfw->mutex);
151 oxfw->unit = fw_unit_get(unit);
152 oxfw->device_info = (const struct device_info *)id->driver_data;
153 spin_lock_init(&oxfw->lock);
154 init_waitqueue_head(&oxfw->hwdep_wait);
155
156 err = snd_oxfw_stream_discover(oxfw);
157 if (err < 0)
158 goto error;
159
160 err = name_card(oxfw);
161 if (err < 0)
162 goto error;
163
164 err = snd_oxfw_create_pcm(oxfw);
165 if (err < 0)
166 goto error;
167
168 if (oxfw->device_info) {
169 err = snd_oxfw_create_mixer(oxfw);
170 if (err < 0)
171 goto error;
172 }
173
174 snd_oxfw_proc_init(oxfw);
175
176 err = snd_oxfw_create_midi(oxfw);
177 if (err < 0)
178 goto error;
179
180 err = snd_oxfw_create_hwdep(oxfw);
181 if (err < 0)
182 goto error;
183
184 err = snd_oxfw_stream_init_simplex(oxfw, &oxfw->rx_stream);
185 if (err < 0)
186 goto error;
187 if (oxfw->has_output) {
188 err = snd_oxfw_stream_init_simplex(oxfw, &oxfw->tx_stream);
189 if (err < 0)
190 goto error;
191 }
192
193 err = snd_card_register(card);
194 if (err < 0) {
195 snd_oxfw_stream_destroy_simplex(oxfw, &oxfw->rx_stream);
196 if (oxfw->has_output)
197 snd_oxfw_stream_destroy_simplex(oxfw, &oxfw->tx_stream);
198 goto error;
199 }
200 dev_set_drvdata(&unit->device, oxfw);
201
202 return 0;
203error:
204 snd_card_free(card);
205 return err;
206}
207
208static void oxfw_bus_reset(struct fw_unit *unit)
209{
210 struct snd_oxfw *oxfw = dev_get_drvdata(&unit->device);
211
212 fcp_bus_reset(oxfw->unit);
213
214 mutex_lock(&oxfw->mutex);
215
216 snd_oxfw_stream_update_simplex(oxfw, &oxfw->rx_stream);
217 if (oxfw->has_output)
218 snd_oxfw_stream_update_simplex(oxfw, &oxfw->tx_stream);
219
220 mutex_unlock(&oxfw->mutex);
221}
222
223static void oxfw_remove(struct fw_unit *unit)
224{
225 struct snd_oxfw *oxfw = dev_get_drvdata(&unit->device);
226
227
228 snd_card_free_when_closed(oxfw->card);
229}
230
231static const struct device_info griffin_firewave = {
232 .driver_name = "FireWave",
233 .vendor_name = "Griffin",
234 .model_name = "FireWave",
235 .mixer_channels = 6,
236 .mute_fb_id = 0x01,
237 .volume_fb_id = 0x02,
238};
239
240static const struct device_info lacie_speakers = {
241 .driver_name = "FWSpeakers",
242 .vendor_name = "LaCie",
243 .model_name = "FireWire Speakers",
244 .mixer_channels = 1,
245 .mute_fb_id = 0x01,
246 .volume_fb_id = 0x01,
247};
248
249static const struct ieee1394_device_id oxfw_id_table[] = {
250 {
251 .match_flags = IEEE1394_MATCH_VENDOR_ID |
252 IEEE1394_MATCH_MODEL_ID |
253 IEEE1394_MATCH_SPECIFIER_ID |
254 IEEE1394_MATCH_VERSION,
255 .vendor_id = VENDOR_GRIFFIN,
256 .model_id = 0x00f970,
257 .specifier_id = SPECIFIER_1394TA,
258 .version = VERSION_AVC,
259 .driver_data = (kernel_ulong_t)&griffin_firewave,
260 },
261 {
262 .match_flags = IEEE1394_MATCH_VENDOR_ID |
263 IEEE1394_MATCH_MODEL_ID |
264 IEEE1394_MATCH_SPECIFIER_ID |
265 IEEE1394_MATCH_VERSION,
266 .vendor_id = VENDOR_LACIE,
267 .model_id = 0x00f970,
268 .specifier_id = SPECIFIER_1394TA,
269 .version = VERSION_AVC,
270 .driver_data = (kernel_ulong_t)&lacie_speakers,
271 },
272
273 {
274 .match_flags = IEEE1394_MATCH_VENDOR_ID |
275 IEEE1394_MATCH_MODEL_ID,
276 .vendor_id = VENDOR_BEHRINGER,
277 .model_id = 0x00fc22,
278 },
279
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287
288
289 {
290 .match_flags = IEEE1394_MATCH_VENDOR_ID |
291 IEEE1394_MATCH_SPECIFIER_ID |
292 IEEE1394_MATCH_VERSION,
293 .vendor_id = VENDOR_LOUD,
294 .specifier_id = SPECIFIER_1394TA,
295 .version = VERSION_AVC,
296 },
297 { }
298};
299MODULE_DEVICE_TABLE(ieee1394, oxfw_id_table);
300
301static struct fw_driver oxfw_driver = {
302 .driver = {
303 .owner = THIS_MODULE,
304 .name = KBUILD_MODNAME,
305 .bus = &fw_bus_type,
306 },
307 .probe = oxfw_probe,
308 .update = oxfw_bus_reset,
309 .remove = oxfw_remove,
310 .id_table = oxfw_id_table,
311};
312
313static int __init snd_oxfw_init(void)
314{
315 return driver_register(&oxfw_driver.driver);
316}
317
318static void __exit snd_oxfw_exit(void)
319{
320 driver_unregister(&oxfw_driver.driver);
321}
322
323module_init(snd_oxfw_init);
324module_exit(snd_oxfw_exit);
325
