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 S51 */ 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 if (mixer->chip->usb_id == USB_ID(0x041e, 0x3042)) 187 err = snd_usb_ctl_msg(mixer->chip->dev, 188 usb_sndctrlpipe(mixer->chip->dev, 0), 0x24, 189 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, 190 !value, 0, NULL, 0, 100); 191 else 192 err = snd_usb_ctl_msg(mixer->chip->dev, 193 usb_sndctrlpipe(mixer->chip->dev, 0), 0x24, 194 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, 195 value, index + 2, NULL, 0, 100); 196 if (err < 0) 197 return err; 198 mixer->audigy2nx_leds[index] = value; 199 return changed; 200 } 201 202 static struct snd_kcontrol_new snd_audigy2nx_controls[] = { 203 { 204 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 205 .name = "CMSS LED Switch", 206 .info = snd_audigy2nx_led_info, 207 .get = snd_audigy2nx_led_get, 208 .put = snd_audigy2nx_led_put, 209 .private_value = 0, 210 }, 211 { 212 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 213 .name = "Power LED Switch", 214 .info = snd_audigy2nx_led_info, 215 .get = snd_audigy2nx_led_get, 216 .put = snd_audigy2nx_led_put, 217 .private_value = 1, 218 }, 219 { 220 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 221 .name = "Dolby Digital LED Switch", 222 .info = snd_audigy2nx_led_info, 223 .get = snd_audigy2nx_led_get, 224 .put = snd_audigy2nx_led_put, 225 .private_value = 2, 226 }, 227 }; 228 229 static int snd_audigy2nx_controls_create(struct usb_mixer_interface *mixer) 230 { 231 int i, err; 232 233 for (i = 0; i < ARRAY_SIZE(snd_audigy2nx_controls); ++i) { 234 /* USB X-Fi S51 doesn't have a CMSS LED */ 235 if ((mixer->chip->usb_id == USB_ID(0x041e, 0x3042)) && i == 0) 236 continue; 237 if (i > 1 && /* Live24ext has 2 LEDs only */ 238 (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) || 239 mixer->chip->usb_id == USB_ID(0x041e, 0x3042) || 240 mixer->chip->usb_id == USB_ID(0x041e, 0x3048))) 241 break; 242 err = snd_ctl_add(mixer->chip->card, 243 snd_ctl_new1(&snd_audigy2nx_controls[i], mixer)); 244 if (err < 0) 245 return err; 246 } 247 mixer->audigy2nx_leds[1] = 1; /* Power LED is on by default */ 248 return 0; 249 } 250 251 static void snd_audigy2nx_proc_read(struct snd_info_entry *entry, 252 struct snd_info_buffer *buffer) 253 { 254 static const struct sb_jack { 255 int unitid; 256 const char *name; 257 } jacks_audigy2nx[] = { 258 {4, "dig in "}, 259 {7, "line in"}, 260 {19, "spk out"}, 261 {20, "hph out"}, 262 {-1, NULL} 263 }, jacks_live24ext[] = { 264 {4, "line in"}, /* &1=Line, &2=Mic*/ 265 {3, "hph out"}, /* headphones */ 266 {0, "RC "}, /* last command, 6 bytes see rc_config above */ 267 {-1, NULL} 268 }; 269 const struct sb_jack *jacks; 270 struct usb_mixer_interface *mixer = entry->private_data; 271 int i, err; 272 u8 buf[3]; 273 274 snd_iprintf(buffer, "%s jacks\n\n", mixer->chip->card->shortname); 275 if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020)) 276 jacks = jacks_audigy2nx; 277 else if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) || 278 mixer->chip->usb_id == USB_ID(0x041e, 0x3048)) 279 jacks = jacks_live24ext; 280 else 281 return; 282 283 for (i = 0; jacks[i].name; ++i) { 284 snd_iprintf(buffer, "%s: ", jacks[i].name); 285 err = snd_usb_ctl_msg(mixer->chip->dev, 286 usb_rcvctrlpipe(mixer->chip->dev, 0), 287 UAC_GET_MEM, USB_DIR_IN | USB_TYPE_CLASS | 288 USB_RECIP_INTERFACE, 0, 289 jacks[i].unitid << 8, buf, 3, 100); 290 if (err == 3 && (buf[0] == 3 || buf[0] == 6)) 291 snd_iprintf(buffer, "%02x %02x\n", buf[1], buf[2]); 292 else 293 snd_iprintf(buffer, "?\n"); 294 } 295 } 296 297 static int snd_xonar_u1_switch_get(struct snd_kcontrol *kcontrol, 298 struct snd_ctl_elem_value *ucontrol) 299 { 300 struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol); 301 302 ucontrol->value.integer.value[0] = !!(mixer->xonar_u1_status & 0x02); 303 return 0; 304 } 305 306 static int snd_xonar_u1_switch_put(struct snd_kcontrol *kcontrol, 307 struct snd_ctl_elem_value *ucontrol) 308 { 309 struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol); 310 u8 old_status, new_status; 311 int err, changed; 312 313 old_status = mixer->xonar_u1_status; 314 if (ucontrol->value.integer.value[0]) 315 new_status = old_status | 0x02; 316 else 317 new_status = old_status & ~0x02; 318 changed = new_status != old_status; 319 err = snd_usb_ctl_msg(mixer->chip->dev, 320 usb_sndctrlpipe(mixer->chip->dev, 0), 0x08, 321 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, 322 50, 0, &new_status, 1, 100); 323 if (err < 0) 324 return err; 325 mixer->xonar_u1_status = new_status; 326 return changed; 327 } 328 329 static struct snd_kcontrol_new snd_xonar_u1_output_switch = { 330 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 331 .name = "Digital Playback Switch", 332 .info = snd_ctl_boolean_mono_info, 333 .get = snd_xonar_u1_switch_get, 334 .put = snd_xonar_u1_switch_put, 335 }; 336 337 static int snd_xonar_u1_controls_create(struct usb_mixer_interface *mixer) 338 { 339 int err; 340 341 err = snd_ctl_add(mixer->chip->card, 342 snd_ctl_new1(&snd_xonar_u1_output_switch, mixer)); 343 if (err < 0) 344 return err; 345 mixer->xonar_u1_status = 0x05; 346 return 0; 347 } 348 349 void snd_emuusb_set_samplerate(struct snd_usb_audio *chip, 350 unsigned char samplerate_id) 351 { 352 struct usb_mixer_interface *mixer; 353 struct usb_mixer_elem_info *cval; 354 int unitid = 12; /* SamleRate ExtensionUnit ID */ 355 356 list_for_each_entry(mixer, &chip->mixer_list, list) { 357 cval = mixer->id_elems[unitid]; 358 if (cval) { 359 snd_usb_mixer_set_ctl_value(cval, UAC_SET_CUR, 360 cval->control << 8, 361 samplerate_id); 362 snd_usb_mixer_notify_id(mixer, unitid); 363 } 364 break; 365 } 366 } 367 368 int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer) 369 { 370 int err; 371 struct snd_info_entry *entry; 372 373 if ((err = snd_usb_soundblaster_remote_init(mixer)) < 0) 374 return err; 375 376 if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020) || 377 mixer->chip->usb_id == USB_ID(0x041e, 0x3040) || 378 mixer->chip->usb_id == USB_ID(0x041e, 0x3042) || 379 mixer->chip->usb_id == USB_ID(0x041e, 0x3048)) { 380 if ((err = snd_audigy2nx_controls_create(mixer)) < 0) 381 return err; 382 if (!snd_card_proc_new(mixer->chip->card, "audigy2nx", &entry)) 383 snd_info_set_text_ops(entry, mixer, 384 snd_audigy2nx_proc_read); 385 } 386 387 if (mixer->chip->usb_id == USB_ID(0x0b05, 0x1739) || 388 mixer->chip->usb_id == USB_ID(0x0b05, 0x1743)) { 389 err = snd_xonar_u1_controls_create(mixer); 390 if (err < 0) 391 return err; 392 } 393 394 return 0; 395 } 396 397 void snd_usb_mixer_rc_memory_change(struct usb_mixer_interface *mixer, 398 int unitid) 399 { 400 if (!mixer->rc_cfg) 401 return; 402 /* unit ids specific to Extigy/Audigy 2 NX: */ 403 switch (unitid) { 404 case 0: /* remote control */ 405 mixer->rc_urb->dev = mixer->chip->dev; 406 usb_submit_urb(mixer->rc_urb, GFP_ATOMIC); 407 break; 408 case 4: /* digital in jack */ 409 case 7: /* line in jacks */ 410 case 19: /* speaker out jacks */ 411 case 20: /* headphones out jack */ 412 break; 413 /* live24ext: 4 = line-in jack */ 414 case 3: /* hp-out jack (may actuate Mute) */ 415 if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) || 416 mixer->chip->usb_id == USB_ID(0x041e, 0x3048)) 417 snd_usb_mixer_notify_id(mixer, mixer->rc_cfg->mute_mixer_id); 418 break; 419 default: 420 snd_printd(KERN_DEBUG "memory change in unknown unit %d\n", unitid); 421 break; 422 } 423 } 424 425