sound/usb/mixer_quirks.c

   1 /*
   2  *   USB Audio Driver for ALSA
   3  *
   4  *   Quirks and vendor-specific extensions for mixer interfaces
   5  *
   6  *   Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
   7  *
   8  *   Many codes borrowed from audio.c by
   9  *          Alan Cox (alan@lxorguk.ukuu.org.uk)
  10  *          Thomas Sailer (sailer@ife.ee.ethz.ch)
  11  *
  12  *
  13  *   This program is free software; you can redistribute it and/or modify
  14  *   it under the terms of the GNU General Public License as published by
  15  *   the Free Software Foundation; either version 2 of the License, or
  16  *   (at your option) any later version.
  17  *
  18  *   This program is distributed in the hope that it will be useful,
  19  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21  *   GNU General Public License for more details.
  22  *
  23  *   You should have received a copy of the GNU General Public License
  24  *   along with this program; if not, write to the Free Software
  25  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  26  */
  27
  28 #include <linux/init.h>
  29 #include <linux/usb.h>
  30 #include <linux/usb/audio.h>
  31
  32 #include <sound/core.h>
  33 #include <sound/control.h>
  34 #include <sound/hwdep.h>
  35 #include <sound/info.h>
  36
  37 #include "usbaudio.h"
  38 #include "mixer.h"
  39 #include "mixer_quirks.h"
  40 #include "helper.h"
  41
  42 /*
  43  * Sound Blaster remote control configuration
  44  *
  45  * format of remote control data:
  46  * Extigy:       xx 00
  47  * Audigy 2 NX:  06 80 xx 00 00 00
  48  * Live! 24-bit: 06 80 xx yy 22 83
  49  */
  50 static const struct rc_config {
  51         u32 usb_id;
  52         u8  offset;
  53         u8  length;
  54         u8  packet_length;
  55         u8  min_packet_length; /* minimum accepted length of the URB result */
  56         u8  mute_mixer_id;
  57         u32 mute_code;
  58 } rc_configs[] = {
  59         { USB_ID(0x041e, 0x3000), 0, 1, 2, 1,  18, 0x0013 }, /* Extigy       */
  60         { USB_ID(0x041e, 0x3020), 2, 1, 6, 6,  18, 0x0013 }, /* Audigy 2 NX  */
  61         { USB_ID(0x041e, 0x3040), 2, 2, 6, 6,  2,  0x6e91 }, /* Live! 24-bit */
  62         { USB_ID(0x041e, 0x3048), 2, 2, 6, 6,  2,  0x6e91 }, /* Toshiba SB0500 */
  63 };
  64
  65 static void snd_usb_soundblaster_remote_complete(struct urb *urb)
  66 {
  67         struct usb_mixer_interface *mixer = urb->context;
  68         const struct rc_config *rc = mixer->rc_cfg;
  69         u32 code;
  70
  71         if (urb->status < 0 || urb->actual_length < rc->min_packet_length)
  72                 return;
  73
  74         code = mixer->rc_buffer[rc->offset];
  75         if (rc->length == 2)
  76                 code |= mixer->rc_buffer[rc->offset + 1] << 8;
  77
  78         /* the Mute button actually changes the mixer control */
  79         if (code == rc->mute_code)
  80                 snd_usb_mixer_notify_id(mixer, rc->mute_mixer_id);
  81         mixer->rc_code = code;
  82         wmb();
  83         wake_up(&mixer->rc_waitq);
  84 }
  85
  86 static long snd_usb_sbrc_hwdep_read(struct snd_hwdep *hw, char __user *buf,
  87                                      long count, loff_t *offset)
  88 {
  89         struct usb_mixer_interface *mixer = hw->private_data;
  90         int err;
  91         u32 rc_code;
  92
  93         if (count != 1 && count != 4)
  94                 return -EINVAL;
  95         err = wait_event_interruptible(mixer->rc_waitq,
  96                                        (rc_code = xchg(&mixer->rc_code, 0)) != 0);
  97         if (err == 0) {
  98                 if (count == 1)
  99                         err = put_user(rc_code, buf);
 100                 else
 101                         err = put_user(rc_code, (u32 __user *)buf);
 102         }
 103         return err < 0 ? err : count;
 104 }
 105
 106 static unsigned int snd_usb_sbrc_hwdep_poll(struct snd_hwdep *hw, struct file *file,
 107                                             poll_table *wait)
 108 {
 109         struct usb_mixer_interface *mixer = hw->private_data;
 110
 111         poll_wait(file, &mixer->rc_waitq, wait);
 112         return mixer->rc_code ? POLLIN | POLLRDNORM : 0;
 113 }
 114
 115 static int snd_usb_soundblaster_remote_init(struct usb_mixer_interface *mixer)
 116 {
 117         struct snd_hwdep *hwdep;
 118         int err, len, i;
 119
 120         for (i = 0; i < ARRAY_SIZE(rc_configs); ++i)
 121                 if (rc_configs[i].usb_id == mixer->chip->usb_id)
 122                         break;
 123         if (i >= ARRAY_SIZE(rc_configs))
 124                 return 0;
 125         mixer->rc_cfg = &rc_configs[i];
 126
 127         len = mixer->rc_cfg->packet_length;
 128
 129         init_waitqueue_head(&mixer->rc_waitq);
 130         err = snd_hwdep_new(mixer->chip->card, "SB remote control", 0, &hwdep);
 131         if (err < 0)
 132                 return err;
 133         snprintf(hwdep->name, sizeof(hwdep->name),
 134                  "%s remote control", mixer->chip->card->shortname);
 135         hwdep->iface = SNDRV_HWDEP_IFACE_SB_RC;
 136         hwdep->private_data = mixer;
 137         hwdep->ops.read = snd_usb_sbrc_hwdep_read;
 138         hwdep->ops.poll = snd_usb_sbrc_hwdep_poll;
 139         hwdep->exclusive = 1;
 140
 141         mixer->rc_urb = usb_alloc_urb(0, GFP_KERNEL);
 142         if (!mixer->rc_urb)
 143                 return -ENOMEM;
 144         mixer->rc_setup_packet = kmalloc(sizeof(*mixer->rc_setup_packet), GFP_KERNEL);
 145         if (!mixer->rc_setup_packet) {
 146                 usb_free_urb(mixer->rc_urb);
 147                 mixer->rc_urb = NULL;
 148                 return -ENOMEM;
 149         }
 150         mixer->rc_setup_packet->bRequestType =
 151                 USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE;
 152         mixer->rc_setup_packet->bRequest = UAC_GET_MEM;
 153         mixer->rc_setup_packet->wValue = cpu_to_le16(0);
 154         mixer->rc_setup_packet->wIndex = cpu_to_le16(0);
 155         mixer->rc_setup_packet->wLength = cpu_to_le16(len);
 156         usb_fill_control_urb(mixer->rc_urb, mixer->chip->dev,
 157                              usb_rcvctrlpipe(mixer->chip->dev, 0),
 158                              (u8*)mixer->rc_setup_packet, mixer->rc_buffer, len,
 159                              snd_usb_soundblaster_remote_complete, mixer);
 160         return 0;
 161 }
 162
 163 #define snd_audigy2nx_led_info          snd_ctl_boolean_mono_info
 164
 165 static int snd_audigy2nx_led_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 166 {
 167         struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
 168         int index = kcontrol->private_value;
 169
 170         ucontrol->value.integer.value[0] = mixer->audigy2nx_leds[index];
 171         return 0;
 172 }
 173
 174 static int snd_audigy2nx_led_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 175 {
 176         struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
 177         int index = kcontrol->private_value;
 178         int value = ucontrol->value.integer.value[0];
 179         int err, changed;
 180
 181         if (value > 1)
 182                 return -EINVAL;
 183         changed = value != mixer->audigy2nx_leds[index];
 184         err = snd_usb_ctl_msg(mixer->chip->dev,
 185                               usb_sndctrlpipe(mixer->chip->dev, 0), 0x24,
 186                               USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
 187                               value, index + 2, NULL, 0, 100);
 188         if (err < 0)
 189                 return err;
 190         mixer->audigy2nx_leds[index] = value;
 191         return changed;
 192 }
 193
 194 static struct snd_kcontrol_new snd_audigy2nx_controls[] = {
 195         {
 196                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 197                 .name = "CMSS LED Switch",
 198                 .info = snd_audigy2nx_led_info,
 199                 .get = snd_audigy2nx_led_get,
 200                 .put = snd_audigy2nx_led_put,
 201                 .private_value = 0,
 202         },
 203         {
 204                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 205                 .name = "Power LED Switch",
 206                 .info = snd_audigy2nx_led_info,
 207                 .get = snd_audigy2nx_led_get,
 208                 .put = snd_audigy2nx_led_put,
 209                 .private_value = 1,
 210         },
 211         {
 212                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 213                 .name = "Dolby Digital LED Switch",
 214                 .info = snd_audigy2nx_led_info,
 215                 .get = snd_audigy2nx_led_get,
 216                 .put = snd_audigy2nx_led_put,
 217                 .private_value = 2,
 218         },
 219 };
 220
 221 static int snd_audigy2nx_controls_create(struct usb_mixer_interface *mixer)
 222 {
 223         int i, err;
 224
 225         for (i = 0; i < ARRAY_SIZE(snd_audigy2nx_controls); ++i) {
 226                 if (i > 1 && /* Live24ext has 2 LEDs only */
 227                         (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
 228                          mixer->chip->usb_id == USB_ID(0x041e, 0x3048)))
 229                         break;
 230                 err = snd_ctl_add(mixer->chip->card,
 231                                   snd_ctl_new1(&snd_audigy2nx_controls[i], mixer));
 232                 if (err < 0)
 233                         return err;
 234         }
 235         mixer->audigy2nx_leds[1] = 1; /* Power LED is on by default */
 236         return 0;
 237 }
 238
 239 static void snd_audigy2nx_proc_read(struct snd_info_entry *entry,
 240                                     struct snd_info_buffer *buffer)
 241 {
 242         static const struct sb_jack {
 243                 int unitid;
 244                 const char *name;
 245         }  jacks_audigy2nx[] = {
 246                 {4,  "dig in "},
 247                 {7,  "line in"},
 248                 {19, "spk out"},
 249                 {20, "hph out"},
 250                 {-1, NULL}
 251         }, jacks_live24ext[] = {
 252                 {4,  "line in"}, /* &1=Line, &2=Mic*/
 253                 {3,  "hph out"}, /* headphones */
 254                 {0,  "RC     "}, /* last command, 6 bytes see rc_config above */
 255                 {-1, NULL}
 256         };
 257         const struct sb_jack *jacks;
 258         struct usb_mixer_interface *mixer = entry->private_data;
 259         int i, err;
 260         u8 buf[3];
 261
 262         snd_iprintf(buffer, "%s jacks\n\n", mixer->chip->card->shortname);
 263         if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020))
 264                 jacks = jacks_audigy2nx;
 265         else if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
 266                  mixer->chip->usb_id == USB_ID(0x041e, 0x3048))
 267                 jacks = jacks_live24ext;
 268         else
 269                 return;
 270
 271         for (i = 0; jacks[i].name; ++i) {
 272                 snd_iprintf(buffer, "%s: ", jacks[i].name);
 273                 err = snd_usb_ctl_msg(mixer->chip->dev,
 274                                       usb_rcvctrlpipe(mixer->chip->dev, 0),
 275                                       UAC_GET_MEM, USB_DIR_IN | USB_TYPE_CLASS |
 276                                       USB_RECIP_INTERFACE, 0,
 277                                       jacks[i].unitid << 8, buf, 3, 100);
 278                 if (err == 3 && (buf[0] == 3 || buf[0] == 6))
 279                         snd_iprintf(buffer, "%02x %02x\n", buf[1], buf[2]);
 280                 else
 281                         snd_iprintf(buffer, "?\n");
 282         }
 283 }
 284
 285 static int snd_xonar_u1_switch_get(struct snd_kcontrol *kcontrol,
 286                                    struct snd_ctl_elem_value *ucontrol)
 287 {
 288         struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
 289
 290         ucontrol->value.integer.value[0] = !!(mixer->xonar_u1_status & 0x02);
 291         return 0;
 292 }
 293
 294 static int snd_xonar_u1_switch_put(struct snd_kcontrol *kcontrol,
 295                                    struct snd_ctl_elem_value *ucontrol)
 296 {
 297         struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
 298         u8 old_status, new_status;
 299         int err, changed;
 300
 301         old_status = mixer->xonar_u1_status;
 302         if (ucontrol->value.integer.value[0])
 303                 new_status = old_status | 0x02;
 304         else
 305                 new_status = old_status & ~0x02;
 306         changed = new_status != old_status;
 307         err = snd_usb_ctl_msg(mixer->chip->dev,
 308                               usb_sndctrlpipe(mixer->chip->dev, 0), 0x08,
 309                               USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
 310                               50, 0, &new_status, 1, 100);
 311         if (err < 0)
 312                 return err;
 313         mixer->xonar_u1_status = new_status;
 314         return changed;
 315 }
 316
 317 static struct snd_kcontrol_new snd_xonar_u1_output_switch = {
 318         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 319         .name = "Digital Playback Switch",
 320         .info = snd_ctl_boolean_mono_info,
 321         .get = snd_xonar_u1_switch_get,
 322         .put = snd_xonar_u1_switch_put,
 323 };
 324
 325 static int snd_xonar_u1_controls_create(struct usb_mixer_interface *mixer)
 326 {
 327         int err;
 328
 329         err = snd_ctl_add(mixer->chip->card,
 330                           snd_ctl_new1(&snd_xonar_u1_output_switch, mixer));
 331         if (err < 0)
 332                 return err;
 333         mixer->xonar_u1_status = 0x05;
 334         return 0;
 335 }
 336
 337 void snd_emuusb_set_samplerate(struct snd_usb_audio *chip,
 338                                unsigned char samplerate_id)
 339 {
 340         struct usb_mixer_interface *mixer;
 341         struct usb_mixer_elem_info *cval;
 342         int unitid = 12; /* SamleRate ExtensionUnit ID */
 343
 344         list_for_each_entry(mixer, &chip->mixer_list, list) {
 345                 cval = mixer->id_elems[unitid];
 346                 if (cval) {
 347                         snd_usb_mixer_set_ctl_value(cval, UAC_SET_CUR,
 348                                                     cval->control << 8,
 349                                                     samplerate_id);
 350                         snd_usb_mixer_notify_id(mixer, unitid);
 351                 }
 352                 break;
 353         }
 354 }
 355
 356 int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer)
 357 {
 358         int err;
 359         struct snd_info_entry *entry;
 360
 361         if ((err = snd_usb_soundblaster_remote_init(mixer)) < 0)
 362                 return err;
 363
 364         if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020) ||
 365             mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
 366             mixer->chip->usb_id == USB_ID(0x041e, 0x3048)) {
 367                 if ((err = snd_audigy2nx_controls_create(mixer)) < 0)
 368                         return err;
 369                 if (!snd_card_proc_new(mixer->chip->card, "audigy2nx", &entry))
 370                         snd_info_set_text_ops(entry, mixer,
 371                                               snd_audigy2nx_proc_read);
 372         }
 373
 374         if (mixer->chip->usb_id == USB_ID(0x0b05, 0x1739) ||
 375             mixer->chip->usb_id == USB_ID(0x0b05, 0x1743)) {
 376                 err = snd_xonar_u1_controls_create(mixer);
 377                 if (err < 0)
 378                         return err;
 379         }
 380
 381         return 0;
 382 }
 383
 384 void snd_usb_mixer_rc_memory_change(struct usb_mixer_interface *mixer,
 385                                     int unitid)
 386 {
 387         if (!mixer->rc_cfg)
 388                 return;
 389         /* unit ids specific to Extigy/Audigy 2 NX: */
 390         switch (unitid) {
 391         case 0: /* remote control */
 392                 mixer->rc_urb->dev = mixer->chip->dev;
 393                 usb_submit_urb(mixer->rc_urb, GFP_ATOMIC);
 394                 break;
 395         case 4: /* digital in jack */
 396         case 7: /* line in jacks */
 397         case 19: /* speaker out jacks */
 398         case 20: /* headphones out jack */
 399                 break;
 400         /* live24ext: 4 = line-in jack */
 401         case 3: /* hp-out jack (may actuate Mute) */
 402                 if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
 403                     mixer->chip->usb_id == USB_ID(0x041e, 0x3048))
 404                         snd_usb_mixer_notify_id(mixer, mixer->rc_cfg->mute_mixer_id);
 405                 break;
 406         default:
 407                 snd_printd(KERN_DEBUG "memory change in unknown unit %d\n", unitid);
 408                 break;
 409         }
 410 }
 411