sound/firewire/oxfw/oxfw.c

   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 err;
  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->rx_stream_formats[i]);
 114
 115         mutex_destroy(&oxfw->mutex);
 116 }
 117
 118 static int oxfw_probe(struct fw_unit *unit,
 119                        const struct ieee1394_device_id *id)
 120 {
 121         struct snd_card *card;
 122         struct snd_oxfw *oxfw;
 123         int err;
 124
 125         if ((id->vendor_id == VENDOR_LOUD) && !detect_loud_models(unit))
 126                 return -ENODEV;
 127
 128         err = snd_card_new(&unit->device, -1, NULL, THIS_MODULE,
 129                            sizeof(*oxfw), &card);
 130         if (err < 0)
 131                 return err;
 132
 133         card->private_free = oxfw_card_free;
 134         oxfw = card->private_data;
 135         oxfw->card = card;
 136         mutex_init(&oxfw->mutex);
 137         oxfw->unit = unit;
 138         oxfw->device_info = (const struct device_info *)id->driver_data;
 139
 140         err = snd_oxfw_stream_discover(oxfw);
 141         if (err < 0)
 142                 goto error;
 143
 144         err = name_card(oxfw);
 145         if (err < 0)
 146                 goto error;
 147
 148         err = snd_oxfw_create_pcm(oxfw);
 149         if (err < 0)
 150                 goto error;
 151
 152         if (oxfw->device_info) {
 153                 err = snd_oxfw_create_mixer(oxfw);
 154                 if (err < 0)
 155                         goto error;
 156         }
 157
 158         snd_oxfw_proc_init(oxfw);
 159
 160         err = snd_oxfw_stream_init_simplex(oxfw);
 161         if (err < 0)
 162                 goto error;
 163
 164         err = snd_card_register(card);
 165         if (err < 0) {
 166                 snd_oxfw_stream_destroy_simplex(oxfw);
 167                 goto error;
 168         }
 169         dev_set_drvdata(&unit->device, oxfw);
 170
 171         return 0;
 172 error:
 173         snd_card_free(card);
 174         return err;
 175 }
 176
 177 static void oxfw_bus_reset(struct fw_unit *unit)
 178 {
 179         struct snd_oxfw *oxfw = dev_get_drvdata(&unit->device);
 180
 181         fcp_bus_reset(oxfw->unit);
 182
 183         mutex_lock(&oxfw->mutex);
 184         snd_oxfw_stream_update_simplex(oxfw);
 185         mutex_unlock(&oxfw->mutex);
 186 }
 187
 188 static void oxfw_remove(struct fw_unit *unit)
 189 {
 190         struct snd_oxfw *oxfw = dev_get_drvdata(&unit->device);
 191
 192         snd_card_disconnect(oxfw->card);
 193
 194         snd_oxfw_stream_destroy_simplex(oxfw);
 195
 196         snd_card_free_when_closed(oxfw->card);
 197 }
 198
 199 static const struct device_info griffin_firewave = {
 200         .driver_name = "FireWave",
 201         .vendor_name = "Griffin",
 202         .model_name = "FireWave",
 203         .mixer_channels = 6,
 204         .mute_fb_id   = 0x01,
 205         .volume_fb_id = 0x02,
 206 };
 207
 208 static const struct device_info lacie_speakers = {
 209         .driver_name = "FWSpeakers",
 210         .vendor_name = "LaCie",
 211         .model_name = "FireWire Speakers",
 212         .mixer_channels = 1,
 213         .mute_fb_id   = 0x01,
 214         .volume_fb_id = 0x01,
 215 };
 216
 217 static const struct ieee1394_device_id oxfw_id_table[] = {
 218         {
 219                 .match_flags  = IEEE1394_MATCH_VENDOR_ID |
 220                                 IEEE1394_MATCH_MODEL_ID |
 221                                 IEEE1394_MATCH_SPECIFIER_ID |
 222                                 IEEE1394_MATCH_VERSION,
 223                 .vendor_id    = VENDOR_GRIFFIN,
 224                 .model_id     = 0x00f970,
 225                 .specifier_id = SPECIFIER_1394TA,
 226                 .version      = VERSION_AVC,
 227                 .driver_data  = (kernel_ulong_t)&griffin_firewave,
 228         },
 229         {
 230                 .match_flags  = IEEE1394_MATCH_VENDOR_ID |
 231                                 IEEE1394_MATCH_MODEL_ID |
 232                                 IEEE1394_MATCH_SPECIFIER_ID |
 233                                 IEEE1394_MATCH_VERSION,
 234                 .vendor_id    = VENDOR_LACIE,
 235                 .model_id     = 0x00f970,
 236                 .specifier_id = SPECIFIER_1394TA,
 237                 .version      = VERSION_AVC,
 238                 .driver_data  = (kernel_ulong_t)&lacie_speakers,
 239         },
 240         /* Behringer,F-Control Audio 202 */
 241         {
 242                 .match_flags    = IEEE1394_MATCH_VENDOR_ID |
 243                                   IEEE1394_MATCH_MODEL_ID,
 244                 .vendor_id      = VENDOR_BEHRINGER,
 245                 .model_id       = 0x00fc22,
 246         },
 247         /*
 248          * Any Mackie(Loud) models (name string/model id):
 249          *  Onyx-i series (former models):      0x081216
 250          *  Mackie Onyx Satellite:              0x00200f
 251          *  Tapco LINK.firewire 4x6:            0x000460
 252          *  d.2 pro:                            Unknown
 253          *  d.4 pro:                            Unknown
 254          *  U.420:                              Unknown
 255          *  U.420d:                             Unknown
 256          */
 257         {
 258                 .match_flags    = IEEE1394_MATCH_VENDOR_ID |
 259                                   IEEE1394_MATCH_SPECIFIER_ID |
 260                                   IEEE1394_MATCH_VERSION,
 261                 .vendor_id      = VENDOR_LOUD,
 262                 .specifier_id   = SPECIFIER_1394TA,
 263                 .version        = VERSION_AVC,
 264         },
 265         { }
 266 };
 267 MODULE_DEVICE_TABLE(ieee1394, oxfw_id_table);
 268
 269 static struct fw_driver oxfw_driver = {
 270         .driver   = {
 271                 .owner  = THIS_MODULE,
 272                 .name   = KBUILD_MODNAME,
 273                 .bus    = &fw_bus_type,
 274         },
 275         .probe    = oxfw_probe,
 276         .update   = oxfw_bus_reset,
 277         .remove   = oxfw_remove,
 278         .id_table = oxfw_id_table,
 279 };
 280
 281 static int __init snd_oxfw_init(void)
 282 {
 283         return driver_register(&oxfw_driver.driver);
 284 }
 285
 286 static void __exit snd_oxfw_exit(void)
 287 {
 288         driver_unregister(&oxfw_driver.driver);
 289 }
 290
 291 module_init(snd_oxfw_init);
 292 module_exit(snd_oxfw_exit);