Daniel Mack | 7b1eda2 | 2010-03-11 21:13:22 +0100 | [diff] [blame^] | 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 "usbmixer.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 | |