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 } 411 412