1 /* 2 * oxfw.c - a part of driver for OXFW970/971 based devices 3 * 4 * Copyright (c) Clemens Ladisch <clemens@ladisch.de> 5 * Licensed under the terms of the GNU General Public License, version 2. 6 */ 7 8 #include "oxfw.h" 9 10 #define OXFORD_FIRMWARE_ID_ADDRESS (CSR_REGISTER_BASE + 0x50000) 11 /* 0x970?vvvv or 0x971?vvvv, where vvvv = firmware version */ 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 25 MODULE_DESCRIPTION("Oxford Semiconductor FW970/971 driver"); 26 MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>"); 27 MODULE_LICENSE("GPL v2"); 28 MODULE_ALIAS("snd-firewire-speakers"); 29 30 static 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 56 static 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 /* get vendor name from root directory */ 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 /* get model name from unit directory */ 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 /* to apply card definitions */ 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); 103 end: 104 return err; 105 } 106 107 static 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 } 119 120 static 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; 191 error: 192 snd_card_free(card); 193 return err; 194 } 195 196 static 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 } 210 211 static 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 } 223 224 static 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 }; 232 233 static 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 }; 241 242 static 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 /* Behringer,F-Control Audio 202 */ 266 { 267 .match_flags = IEEE1394_MATCH_VENDOR_ID | 268 IEEE1394_MATCH_MODEL_ID, 269 .vendor_id = VENDOR_BEHRINGER, 270 .model_id = 0x00fc22, 271 }, 272 /* 273 * Any Mackie(Loud) models (name string/model id): 274 * Onyx-i series (former models): 0x081216 275 * Mackie Onyx Satellite: 0x00200f 276 * Tapco LINK.firewire 4x6: 0x000460 277 * d.2 pro: Unknown 278 * d.4 pro: Unknown 279 * U.420: Unknown 280 * U.420d: Unknown 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 }; 292 MODULE_DEVICE_TABLE(ieee1394, oxfw_id_table); 293 294 static 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 }; 305 306 static int __init snd_oxfw_init(void) 307 { 308 return driver_register(&oxfw_driver.driver); 309 } 310 311 static void __exit snd_oxfw_exit(void) 312 { 313 driver_unregister(&oxfw_driver.driver); 314 } 315 316 module_init(snd_oxfw_init); 317 module_exit(snd_oxfw_exit); 318