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/slab.h>
  30 #include <linux/usb.h>
  31 #include <linux/usb/audio.h>
  32
  33 #include <sound/core.h>
  34 #include <sound/control.h>
  35 #include <sound/hwdep.h>
  36 #include <sound/info.h>
  37
  38 #include "usbaudio.h"
  39 #include "mixer.h"
  40 #include "mixer_quirks.h"
  41 #include "helper.h"
  42
  43 /*
  44  * Sound Blaster remote control configuration
  45  *
  46  * format of remote control data:
  47  * Extigy:       xx 00
  48  * Audigy 2 NX:  06 80 xx 00 00 00
  49  * Live! 24-bit: 06 80 xx yy 22 83
  50  */
  51 static const struct rc_config {
  52         u32 usb_id;
  53         u8  offset;
  54         u8  length;
  55         u8  packet_length;
  56         u8  min_packet_length; /* minimum accepted length of the URB result */
  57         u8  mute_mixer_id;
  58         u32 mute_code;
  59 } rc_configs[] = {
  60         { USB_ID(0x041e, 0x3000), 0, 1, 2, 1,  18, 0x0013 }, /* Extigy       */
  61         { USB_ID(0x041e, 0x3020), 2, 1, 6, 6,  18, 0x0013 }, /* Audigy 2 NX  */
  62         { USB_ID(0x041e, 0x3040), 2, 2, 6, 6,  2,  0x6e91 }, /* Live! 24-bit */
  63         { USB_ID(0x041e, 0x3042), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi */
  64         { USB_ID(0x041e, 0x3048), 2, 2, 6, 6,  2,  0x6e91 }, /* Toshiba SB0500 */
  65 };
  66
  67 static void snd_usb_soundblaster_remote_complete(struct urb *urb)
  68 {
  69         struct usb_mixer_interface *mixer = urb->context;
  70         const struct rc_config *rc = mixer->rc_cfg;
  71         u32 code;
  72
  73         if (urb->status < 0 || urb->actual_length < rc->min_packet_length)
  74                 return;
  75
  76         code = mixer->rc_buffer[rc->offset];
  77         if (rc->length == 2)
  78                 code |= mixer->rc_buffer[rc->offset + 1] << 8;
  79
  80         /* the Mute button actually changes the mixer control */
  81         if (code == rc->mute_code)
  82                 snd_usb_mixer_notify_id(mixer, rc->mute_mixer_id);
  83         mixer->rc_code = code;
  84         wmb();
  85         wake_up(&mixer->rc_waitq);
  86 }
  87
  88 static long snd_usb_sbrc_hwdep_read(struct snd_hwdep *hw, char __user *buf,
  89                                      long count, loff_t *offset)
  90 {
  91         struct usb_mixer_interface *mixer = hw->private_data;
  92         int err;
  93         u32 rc_code;
  94
  95         if (count != 1 && count != 4)
  96                 return -EINVAL;
  97         err = wait_event_interruptible(mixer->rc_waitq,
  98                                        (rc_code = xchg(&mixer->rc_code, 0)) != 0);
  99         if (err == 0) {
 100                 if (count == 1)
 101                         err = put_user(rc_code, buf);
 102                 else
 103                         err = put_user(rc_code, (u32 __user *)buf);
 104         }
 105         return err < 0 ? err : count;
 106 }
 107
 108 static unsigned int snd_usb_sbrc_hwdep_poll(struct snd_hwdep *hw, struct file *file,
 109                                             poll_table *wait)
 110 {
 111         struct usb_mixer_interface *mixer = hw->private_data;
 112
 113         poll_wait(file, &mixer->rc_waitq, wait);
 114         return mixer->rc_code ? POLLIN | POLLRDNORM : 0;
 115 }
 116
 117 static int snd_usb_soundblaster_remote_init(struct usb_mixer_interface *mixer)
 118 {
 119         struct snd_hwdep *hwdep;
 120         int err, len, i;
 121
 122         for (i = 0; i < ARRAY_SIZE(rc_configs); ++i)
 123                 if (rc_configs[i].usb_id == mixer->chip->usb_id)
 124                         break;
 125         if (i >= ARRAY_SIZE(rc_configs))
 126                 return 0;
 127         mixer->rc_cfg = &rc_configs[i];
 128
 129         len = mixer->rc_cfg->packet_length;
 130
 131         init_waitqueue_head(&mixer->rc_waitq);
 132         err = snd_hwdep_new(mixer->chip->card, "SB remote control", 0, &hwdep);
 133         if (err < 0)
 134                 return err;
 135         snprintf(hwdep->name, sizeof(hwdep->name),
 136                  "%s remote control", mixer->chip->card->shortname);
 137         hwdep->iface = SNDRV_HWDEP_IFACE_SB_RC;
 138         hwdep->private_data = mixer;
 139         hwdep->ops.read = snd_usb_sbrc_hwdep_read;
 140         hwdep->ops.poll = snd_usb_sbrc_hwdep_poll;
 141         hwdep->exclusive = 1;
 142
 143         mixer->rc_urb = usb_alloc_urb(0, GFP_KERNEL);
 144         if (!mixer->rc_urb)
 145                 return -ENOMEM;
 146         mixer->rc_setup_packet = kmalloc(sizeof(*mixer->rc_setup_packet), GFP_KERNEL);
 147         if (!mixer->rc_setup_packet) {
 148                 usb_free_urb(mixer->rc_urb);
 149                 mixer->rc_urb = NULL;
 150                 return -ENOMEM;
 151         }
 152         mixer->rc_setup_packet->bRequestType =
 153                 USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE;
 154         mixer->rc_setup_packet->bRequest = UAC_GET_MEM;
 155         mixer->rc_setup_packet->wValue = cpu_to_le16(0);
 156         mixer->rc_setup_packet->wIndex = cpu_to_le16(0);
 157         mixer->rc_setup_packet->wLength = cpu_to_le16(len);
 158         usb_fill_control_urb(mixer->rc_urb, mixer->chip->dev,
 159                              usb_rcvctrlpipe(mixer->chip->dev, 0),
 160                              (u8*)mixer->rc_setup_packet, mixer->rc_buffer, len,
 161                              snd_usb_soundblaster_remote_complete, mixer);
 162         return 0;
 163 }
 164
 165 #define snd_audigy2nx_led_info          snd_ctl_boolean_mono_info
 166
 167 static int snd_audigy2nx_led_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 168 {
 169         struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
 170         int index = kcontrol->private_value;
 171
 172         ucontrol->value.integer.value[0] = mixer->audigy2nx_leds[index];
 173         return 0;
 174 }
 175
 176 static int snd_audigy2nx_led_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 177 {
 178         struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
 179         int index = kcontrol->private_value;
 180         int value = ucontrol->value.integer.value[0];
 181         int err, changed;
 182
 183         if (value > 1)
 184                 return -EINVAL;
 185         changed = value != mixer->audigy2nx_leds[index];
 186         err = snd_usb_ctl_msg(mixer->chip->dev,
 187                               usb_sndctrlpipe(mixer->chip->dev, 0), 0x24,
 188                               USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
 189                               value, index + 2, NULL, 0, 100);
 190         if (err < 0)
 191                 return err;
 192         mixer->audigy2nx_leds[index] = value;
 193         return changed;
 194 }
 195
 196 static struct snd_kcontrol_new snd_audigy2nx_controls[] = {
 197         {
 198                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 199                 .name = "CMSS LED Switch",
 200                 .info = snd_audigy2nx_led_info,
 201                 .get = snd_audigy2nx_led_get,
 202                 .put = snd_audigy2nx_led_put,
 203                 .private_value = 0,
 204         },
 205         {
 206                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 207                 .name = "Power LED Switch",
 208                 .info = snd_audigy2nx_led_info,
 209                 .get = snd_audigy2nx_led_get,
 210                 .put = snd_audigy2nx_led_put,
 211                 .private_value = 1,
 212         },
 213         {
 214                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 215                 .name = "Dolby Digital LED Switch",
 216                 .info = snd_audigy2nx_led_info,
 217                 .get = snd_audigy2nx_led_get,
 218                 .put = snd_audigy2nx_led_put,
 219                 .private_value = 2,
 220         },
 221 };
 222
 223 static int snd_audigy2nx_controls_create(struct usb_mixer_interface *mixer)
 224 {
 225         int i, err;
 226
 227         for (i = 0; i < ARRAY_SIZE(snd_audigy2nx_controls); ++i) {
 228                 if (i > 1 && /* Live24ext has 2 LEDs only */
 229                         (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
 230                          mixer->chip->usb_id == USB_ID(0x041e, 0x3048)))
 231                         break;
 232                 err = snd_ctl_add(mixer->chip->card,
 233                                   snd_ctl_new1(&snd_audigy2nx_controls[i], mixer));
 234                 if (err < 0)
 235                         return err;
 236         }
 237         mixer->audigy2nx_leds[1] = 1; /* Power LED is on by default */
 238         return 0;
 239 }
 240
 241 static void snd_audigy2nx_proc_read(struct snd_info_entry *entry,
 242                                     struct snd_info_buffer *buffer)
 243 {
 244         static const struct sb_jack {
 245                 int unitid;
 246                 const char *name;
 247         }  jacks_audigy2nx[] = {
 248                 {4,  "dig in "},
 249                 {7,  "line in"},
 250                 {19, "spk out"},
 251                 {20, "hph out"},
 252                 {-1, NULL}
 253         }, jacks_live24ext[] = {
 254                 {4,  "line in"}, /* &1=Line, &2=Mic*/
 255                 {3,  "hph out"}, /* headphones */
 256                 {0,  "RC     "}, /* last command, 6 bytes see rc_config above */
 257                 {-1, NULL}
 258         };
 259         const struct sb_jack *jacks;
 260         struct usb_mixer_interface *mixer = entry->private_data;
 261         int i, err;
 262         u8 buf[3];
 263
 264         snd_iprintf(buffer, "%s jacks\n\n", mixer->chip->card->shortname);
 265         if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020))
 266                 jacks = jacks_audigy2nx;
 267         else if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
 268                  mixer->chip->usb_id == USB_ID(0x041e, 0x3048))
 269                 jacks = jacks_live24ext;
 270         else
 271                 return;
 272
 273         for (i = 0; jacks[i].name; ++i) {
 274                 snd_iprintf(buffer, "%s: ", jacks[i].name);
 275                 err = snd_usb_ctl_msg(mixer->chip->dev,
 276                                       usb_rcvctrlpipe(mixer->chip->dev, 0),
 277                                       UAC_GET_MEM, USB_DIR_IN | USB_TYPE_CLASS |
 278                                       USB_RECIP_INTERFACE, 0,
 279                                       jacks[i].unitid << 8, buf, 3, 100);
 280                 if (err == 3 && (buf[0] == 3 || buf[0] == 6))
 281                         snd_iprintf(buffer, "%02x %02x\n", buf[1], buf[2]);
 282                 else
 283                         snd_iprintf(buffer, "?\n");
 284         }
 285 }
 286
 287 static int snd_xonar_u1_switch_get(struct snd_kcontrol *kcontrol,
 288                                    struct snd_ctl_elem_value *ucontrol)
 289 {
 290         struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
 291
 292         ucontrol->value.integer.value[0] = !!(mixer->xonar_u1_status & 0x02);
 293         return 0;
 294 }
 295
 296 static int snd_xonar_u1_switch_put(struct snd_kcontrol *kcontrol,
 297                                    struct snd_ctl_elem_value *ucontrol)
 298 {
 299         struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
 300         u8 old_status, new_status;
 301         int err, changed;
 302
 303         old_status = mixer->xonar_u1_status;
 304         if (ucontrol->value.integer.value[0])
 305                 new_status = old_status | 0x02;
 306         else
 307                 new_status = old_status & ~0x02;
 308         changed = new_status != old_status;
 309         err = snd_usb_ctl_msg(mixer->chip->dev,
 310                               usb_sndctrlpipe(mixer->chip->dev, 0), 0x08,
 311                               USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
 312                               50, 0, &new_status, 1, 100);
 313         if (err < 0)
 314                 return err;
 315         mixer->xonar_u1_status = new_status;
 316         return changed;
 317 }
 318
 319 static struct snd_kcontrol_new snd_xonar_u1_output_switch = {
 320         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 321         .name = "Digital Playback Switch",
 322         .info = snd_ctl_boolean_mono_info,
 323         .get = snd_xonar_u1_switch_get,
 324         .put = snd_xonar_u1_switch_put,
 325 };
 326
 327 static int snd_xonar_u1_controls_create(struct usb_mixer_interface *mixer)
 328 {
 329         int err;
 330
 331         err = snd_ctl_add(mixer->chip->card,
 332                           snd_ctl_new1(&snd_xonar_u1_output_switch, mixer));
 333         if (err < 0)
 334                 return err;
 335         mixer->xonar_u1_status = 0x05;
 336         return 0;
 337 }
 338
 339 void snd_emuusb_set_samplerate(struct snd_usb_audio *chip,
 340                                unsigned char samplerate_id)
 341 {
 342         struct usb_mixer_interface *mixer;
 343         struct usb_mixer_elem_info *cval;
 344         int unitid = 12; /* SamleRate ExtensionUnit ID */
 345
 346         list_for_each_entry(mixer, &chip->mixer_list, list) {
 347                 cval = mixer->id_elems[unitid];
 348                 if (cval) {
 349                         snd_usb_mixer_set_ctl_value(cval, UAC_SET_CUR,
 350                                                     cval->control << 8,
 351                                                     samplerate_id);
 352                         snd_usb_mixer_notify_id(mixer, unitid);
 353                 }
 354                 break;
 355         }
 356 }
 357
 358 int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer)
 359 {
 360         int err;
 361         struct snd_info_entry *entry;
 362
 363         if ((err = snd_usb_soundblaster_remote_init(mixer)) < 0)
 364                 return err;
 365
 366         if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020) ||
 367             mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
 368             mixer->chip->usb_id == USB_ID(0x041e, 0x3048)) {
 369                 if ((err = snd_audigy2nx_controls_create(mixer)) < 0)
 370                         return err;
 371                 if (!snd_card_proc_new(mixer->chip->card, "audigy2nx", &entry))
 372                         snd_info_set_text_ops(entry, mixer,
 373                                               snd_audigy2nx_proc_read);
 374         }
 375
 376         if (mixer->chip->usb_id == USB_ID(0x0b05, 0x1739) ||
 377             mixer->chip->usb_id == USB_ID(0x0b05, 0x1743)) {
 378                 err = snd_xonar_u1_controls_create(mixer);
 379                 if (err < 0)
 380                         return err;
 381         }
 382
 383         return 0;
 384 }
 385
 386 void snd_usb_mixer_rc_memory_change(struct usb_mixer_interface *mixer,
 387                                     int unitid)
 388 {
 389         if (!mixer->rc_cfg)
 390                 return;
 391         /* unit ids specific to Extigy/Audigy 2 NX: */
 392         switch (unitid) {
 393         case 0: /* remote control */
 394                 mixer->rc_urb->dev = mixer->chip->dev;
 395                 usb_submit_urb(mixer->rc_urb, GFP_ATOMIC);
 396                 break;
 397         case 4: /* digital in jack */
 398         case 7: /* line in jacks */
 399         case 19: /* speaker out jacks */
 400         case 20: /* headphones out jack */
 401                 break;
 402         /* live24ext: 4 = line-in jack */
 403         case 3: /* hp-out jack (may actuate Mute) */
 404                 if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
 405                     mixer->chip->usb_id == USB_ID(0x041e, 0x3048))
 406                         snd_usb_mixer_notify_id(mixer, mixer->rc_cfg->mute_mixer_id);
 407                 break;
 408         default:
 409                 snd_printd(KERN_DEBUG "memory change in unknown unit %d\n", unitid);
 410                 break;
 411         }
 412 }
 413