1 /* 2 * Universal Interface for Intel High Definition Audio Codec 3 * 4 * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de> 5 * 6 * 7 * This driver is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 2 of the License, or 10 * (at your option) any later version. 11 * 12 * This driver is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 20 */ 21 22 #include <linux/init.h> 23 #include <linux/delay.h> 24 #include <linux/slab.h> 25 #include <linux/mutex.h> 26 #include <linux/module.h> 27 #include <linux/pm.h> 28 #include <linux/pm_runtime.h> 29 #include <sound/core.h> 30 #include <sound/hda_codec.h> 31 #include <sound/asoundef.h> 32 #include <sound/tlv.h> 33 #include <sound/initval.h> 34 #include <sound/jack.h> 35 #include "hda_local.h" 36 #include "hda_beep.h" 37 #include "hda_jack.h" 38 #include <sound/hda_hwdep.h> 39 #include <sound/hda_component.h> 40 41 #define codec_in_pm(codec) snd_hdac_is_in_pm(&codec->core) 42 #define hda_codec_is_power_on(codec) snd_hdac_is_power_on(&codec->core) 43 #define codec_has_epss(codec) \ 44 ((codec)->core.power_caps & AC_PWRST_EPSS) 45 #define codec_has_clkstop(codec) \ 46 ((codec)->core.power_caps & AC_PWRST_CLKSTOP) 47 48 /* 49 * Send and receive a verb - passed to exec_verb override for hdac_device 50 */ 51 static int codec_exec_verb(struct hdac_device *dev, unsigned int cmd, 52 unsigned int flags, unsigned int *res) 53 { 54 struct hda_codec *codec = container_of(dev, struct hda_codec, core); 55 struct hda_bus *bus = codec->bus; 56 int err; 57 58 if (cmd == ~0) 59 return -1; 60 61 again: 62 snd_hda_power_up_pm(codec); 63 mutex_lock(&bus->core.cmd_mutex); 64 if (flags & HDA_RW_NO_RESPONSE_FALLBACK) 65 bus->no_response_fallback = 1; 66 err = snd_hdac_bus_exec_verb_unlocked(&bus->core, codec->core.addr, 67 cmd, res); 68 bus->no_response_fallback = 0; 69 mutex_unlock(&bus->core.cmd_mutex); 70 snd_hda_power_down_pm(codec); 71 if (!codec_in_pm(codec) && res && err == -EAGAIN) { 72 if (bus->response_reset) { 73 codec_dbg(codec, 74 "resetting BUS due to fatal communication error\n"); 75 snd_hda_bus_reset(bus); 76 } 77 goto again; 78 } 79 /* clear reset-flag when the communication gets recovered */ 80 if (!err || codec_in_pm(codec)) 81 bus->response_reset = 0; 82 return err; 83 } 84 85 /** 86 * snd_hda_sequence_write - sequence writes 87 * @codec: the HDA codec 88 * @seq: VERB array to send 89 * 90 * Send the commands sequentially from the given array. 91 * The array must be terminated with NID=0. 92 */ 93 void snd_hda_sequence_write(struct hda_codec *codec, const struct hda_verb *seq) 94 { 95 for (; seq->nid; seq++) 96 snd_hda_codec_write(codec, seq->nid, 0, seq->verb, seq->param); 97 } 98 EXPORT_SYMBOL_GPL(snd_hda_sequence_write); 99 100 /* connection list element */ 101 struct hda_conn_list { 102 struct list_head list; 103 int len; 104 hda_nid_t nid; 105 hda_nid_t conns[0]; 106 }; 107 108 /* look up the cached results */ 109 static struct hda_conn_list * 110 lookup_conn_list(struct hda_codec *codec, hda_nid_t nid) 111 { 112 struct hda_conn_list *p; 113 list_for_each_entry(p, &codec->conn_list, list) { 114 if (p->nid == nid) 115 return p; 116 } 117 return NULL; 118 } 119 120 static int add_conn_list(struct hda_codec *codec, hda_nid_t nid, int len, 121 const hda_nid_t *list) 122 { 123 struct hda_conn_list *p; 124 125 p = kmalloc(sizeof(*p) + len * sizeof(hda_nid_t), GFP_KERNEL); 126 if (!p) 127 return -ENOMEM; 128 p->len = len; 129 p->nid = nid; 130 memcpy(p->conns, list, len * sizeof(hda_nid_t)); 131 list_add(&p->list, &codec->conn_list); 132 return 0; 133 } 134 135 static void remove_conn_list(struct hda_codec *codec) 136 { 137 while (!list_empty(&codec->conn_list)) { 138 struct hda_conn_list *p; 139 p = list_first_entry(&codec->conn_list, typeof(*p), list); 140 list_del(&p->list); 141 kfree(p); 142 } 143 } 144 145 /* read the connection and add to the cache */ 146 static int read_and_add_raw_conns(struct hda_codec *codec, hda_nid_t nid) 147 { 148 hda_nid_t list[32]; 149 hda_nid_t *result = list; 150 int len; 151 152 len = snd_hda_get_raw_connections(codec, nid, list, ARRAY_SIZE(list)); 153 if (len == -ENOSPC) { 154 len = snd_hda_get_num_raw_conns(codec, nid); 155 result = kmalloc_array(len, sizeof(hda_nid_t), GFP_KERNEL); 156 if (!result) 157 return -ENOMEM; 158 len = snd_hda_get_raw_connections(codec, nid, result, len); 159 } 160 if (len >= 0) 161 len = snd_hda_override_conn_list(codec, nid, len, result); 162 if (result != list) 163 kfree(result); 164 return len; 165 } 166 167 /** 168 * snd_hda_get_conn_list - get connection list 169 * @codec: the HDA codec 170 * @nid: NID to parse 171 * @listp: the pointer to store NID list 172 * 173 * Parses the connection list of the given widget and stores the pointer 174 * to the list of NIDs. 175 * 176 * Returns the number of connections, or a negative error code. 177 * 178 * Note that the returned pointer isn't protected against the list 179 * modification. If snd_hda_override_conn_list() might be called 180 * concurrently, protect with a mutex appropriately. 181 */ 182 int snd_hda_get_conn_list(struct hda_codec *codec, hda_nid_t nid, 183 const hda_nid_t **listp) 184 { 185 bool added = false; 186 187 for (;;) { 188 int err; 189 const struct hda_conn_list *p; 190 191 /* if the connection-list is already cached, read it */ 192 p = lookup_conn_list(codec, nid); 193 if (p) { 194 if (listp) 195 *listp = p->conns; 196 return p->len; 197 } 198 if (snd_BUG_ON(added)) 199 return -EINVAL; 200 201 err = read_and_add_raw_conns(codec, nid); 202 if (err < 0) 203 return err; 204 added = true; 205 } 206 } 207 EXPORT_SYMBOL_GPL(snd_hda_get_conn_list); 208 209 /** 210 * snd_hda_get_connections - copy connection list 211 * @codec: the HDA codec 212 * @nid: NID to parse 213 * @conn_list: connection list array; when NULL, checks only the size 214 * @max_conns: max. number of connections to store 215 * 216 * Parses the connection list of the given widget and stores the list 217 * of NIDs. 218 * 219 * Returns the number of connections, or a negative error code. 220 */ 221 int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid, 222 hda_nid_t *conn_list, int max_conns) 223 { 224 const hda_nid_t *list; 225 int len = snd_hda_get_conn_list(codec, nid, &list); 226 227 if (len > 0 && conn_list) { 228 if (len > max_conns) { 229 codec_err(codec, "Too many connections %d for NID 0x%x\n", 230 len, nid); 231 return -EINVAL; 232 } 233 memcpy(conn_list, list, len * sizeof(hda_nid_t)); 234 } 235 236 return len; 237 } 238 EXPORT_SYMBOL_GPL(snd_hda_get_connections); 239 240 /** 241 * snd_hda_override_conn_list - add/modify the connection-list to cache 242 * @codec: the HDA codec 243 * @nid: NID to parse 244 * @len: number of connection list entries 245 * @list: the list of connection entries 246 * 247 * Add or modify the given connection-list to the cache. If the corresponding 248 * cache already exists, invalidate it and append a new one. 249 * 250 * Returns zero or a negative error code. 251 */ 252 int snd_hda_override_conn_list(struct hda_codec *codec, hda_nid_t nid, int len, 253 const hda_nid_t *list) 254 { 255 struct hda_conn_list *p; 256 257 p = lookup_conn_list(codec, nid); 258 if (p) { 259 list_del(&p->list); 260 kfree(p); 261 } 262 263 return add_conn_list(codec, nid, len, list); 264 } 265 EXPORT_SYMBOL_GPL(snd_hda_override_conn_list); 266 267 /** 268 * snd_hda_get_conn_index - get the connection index of the given NID 269 * @codec: the HDA codec 270 * @mux: NID containing the list 271 * @nid: NID to select 272 * @recursive: 1 when searching NID recursively, otherwise 0 273 * 274 * Parses the connection list of the widget @mux and checks whether the 275 * widget @nid is present. If it is, return the connection index. 276 * Otherwise it returns -1. 277 */ 278 int snd_hda_get_conn_index(struct hda_codec *codec, hda_nid_t mux, 279 hda_nid_t nid, int recursive) 280 { 281 const hda_nid_t *conn; 282 int i, nums; 283 284 nums = snd_hda_get_conn_list(codec, mux, &conn); 285 for (i = 0; i < nums; i++) 286 if (conn[i] == nid) 287 return i; 288 if (!recursive) 289 return -1; 290 if (recursive > 10) { 291 codec_dbg(codec, "too deep connection for 0x%x\n", nid); 292 return -1; 293 } 294 recursive++; 295 for (i = 0; i < nums; i++) { 296 unsigned int type = get_wcaps_type(get_wcaps(codec, conn[i])); 297 if (type == AC_WID_PIN || type == AC_WID_AUD_OUT) 298 continue; 299 if (snd_hda_get_conn_index(codec, conn[i], nid, recursive) >= 0) 300 return i; 301 } 302 return -1; 303 } 304 EXPORT_SYMBOL_GPL(snd_hda_get_conn_index); 305 306 /** 307 * snd_hda_get_num_devices - get DEVLIST_LEN parameter of the given widget 308 * @codec: the HDA codec 309 * @nid: NID of the pin to parse 310 * 311 * Get the device entry number on the given widget. This is a feature of 312 * DP MST audio. Each pin can have several device entries in it. 313 */ 314 unsigned int snd_hda_get_num_devices(struct hda_codec *codec, hda_nid_t nid) 315 { 316 unsigned int wcaps = get_wcaps(codec, nid); 317 unsigned int parm; 318 319 if (!codec->dp_mst || !(wcaps & AC_WCAP_DIGITAL) || 320 get_wcaps_type(wcaps) != AC_WID_PIN) 321 return 0; 322 323 parm = snd_hdac_read_parm_uncached(&codec->core, nid, AC_PAR_DEVLIST_LEN); 324 if (parm == -1) 325 parm = 0; 326 return parm & AC_DEV_LIST_LEN_MASK; 327 } 328 EXPORT_SYMBOL_GPL(snd_hda_get_num_devices); 329 330 /** 331 * snd_hda_get_devices - copy device list without cache 332 * @codec: the HDA codec 333 * @nid: NID of the pin to parse 334 * @dev_list: device list array 335 * @max_devices: max. number of devices to store 336 * 337 * Copy the device list. This info is dynamic and so not cached. 338 * Currently called only from hda_proc.c, so not exported. 339 */ 340 int snd_hda_get_devices(struct hda_codec *codec, hda_nid_t nid, 341 u8 *dev_list, int max_devices) 342 { 343 unsigned int parm; 344 int i, dev_len, devices; 345 346 parm = snd_hda_get_num_devices(codec, nid); 347 if (!parm) /* not multi-stream capable */ 348 return 0; 349 350 dev_len = parm + 1; 351 dev_len = dev_len < max_devices ? dev_len : max_devices; 352 353 devices = 0; 354 while (devices < dev_len) { 355 if (snd_hdac_read(&codec->core, nid, 356 AC_VERB_GET_DEVICE_LIST, devices, &parm)) 357 break; /* error */ 358 359 for (i = 0; i < 8; i++) { 360 dev_list[devices] = (u8)parm; 361 parm >>= 4; 362 devices++; 363 if (devices >= dev_len) 364 break; 365 } 366 } 367 return devices; 368 } 369 370 /** 371 * snd_hda_get_dev_select - get device entry select on the pin 372 * @codec: the HDA codec 373 * @nid: NID of the pin to get device entry select 374 * 375 * Get the devcie entry select on the pin. Return the device entry 376 * id selected on the pin. Return 0 means the first device entry 377 * is selected or MST is not supported. 378 */ 379 int snd_hda_get_dev_select(struct hda_codec *codec, hda_nid_t nid) 380 { 381 /* not support dp_mst will always return 0, using first dev_entry */ 382 if (!codec->dp_mst) 383 return 0; 384 385 return snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DEVICE_SEL, 0); 386 } 387 EXPORT_SYMBOL_GPL(snd_hda_get_dev_select); 388 389 /** 390 * snd_hda_set_dev_select - set device entry select on the pin 391 * @codec: the HDA codec 392 * @nid: NID of the pin to set device entry select 393 * @dev_id: device entry id to be set 394 * 395 * Set the device entry select on the pin nid. 396 */ 397 int snd_hda_set_dev_select(struct hda_codec *codec, hda_nid_t nid, int dev_id) 398 { 399 int ret, num_devices; 400 401 /* not support dp_mst will always return 0, using first dev_entry */ 402 if (!codec->dp_mst) 403 return 0; 404 405 /* AC_PAR_DEVLIST_LEN is 0 based. */ 406 num_devices = snd_hda_get_num_devices(codec, nid) + 1; 407 /* If Device List Length is 0 (num_device = 1), 408 * the pin is not multi stream capable. 409 * Do nothing in this case. 410 */ 411 if (num_devices == 1) 412 return 0; 413 414 /* Behavior of setting index being equal to or greater than 415 * Device List Length is not predictable 416 */ 417 if (num_devices <= dev_id) 418 return -EINVAL; 419 420 ret = snd_hda_codec_write(codec, nid, 0, 421 AC_VERB_SET_DEVICE_SEL, dev_id); 422 423 return ret; 424 } 425 EXPORT_SYMBOL_GPL(snd_hda_set_dev_select); 426 427 /* 428 * read widget caps for each widget and store in cache 429 */ 430 static int read_widget_caps(struct hda_codec *codec, hda_nid_t fg_node) 431 { 432 int i; 433 hda_nid_t nid; 434 435 codec->wcaps = kmalloc_array(codec->core.num_nodes, 4, GFP_KERNEL); 436 if (!codec->wcaps) 437 return -ENOMEM; 438 nid = codec->core.start_nid; 439 for (i = 0; i < codec->core.num_nodes; i++, nid++) 440 codec->wcaps[i] = snd_hdac_read_parm_uncached(&codec->core, 441 nid, AC_PAR_AUDIO_WIDGET_CAP); 442 return 0; 443 } 444 445 /* read all pin default configurations and save codec->init_pins */ 446 static int read_pin_defaults(struct hda_codec *codec) 447 { 448 hda_nid_t nid; 449 450 for_each_hda_codec_node(nid, codec) { 451 struct hda_pincfg *pin; 452 unsigned int wcaps = get_wcaps(codec, nid); 453 unsigned int wid_type = get_wcaps_type(wcaps); 454 if (wid_type != AC_WID_PIN) 455 continue; 456 pin = snd_array_new(&codec->init_pins); 457 if (!pin) 458 return -ENOMEM; 459 pin->nid = nid; 460 pin->cfg = snd_hda_codec_read(codec, nid, 0, 461 AC_VERB_GET_CONFIG_DEFAULT, 0); 462 /* 463 * all device entries are the same widget control so far 464 * fixme: if any codec is different, need fix here 465 */ 466 pin->ctrl = snd_hda_codec_read(codec, nid, 0, 467 AC_VERB_GET_PIN_WIDGET_CONTROL, 468 0); 469 } 470 return 0; 471 } 472 473 /* look up the given pin config list and return the item matching with NID */ 474 static struct hda_pincfg *look_up_pincfg(struct hda_codec *codec, 475 struct snd_array *array, 476 hda_nid_t nid) 477 { 478 struct hda_pincfg *pin; 479 int i; 480 481 snd_array_for_each(array, i, pin) { 482 if (pin->nid == nid) 483 return pin; 484 } 485 return NULL; 486 } 487 488 /* set the current pin config value for the given NID. 489 * the value is cached, and read via snd_hda_codec_get_pincfg() 490 */ 491 int snd_hda_add_pincfg(struct hda_codec *codec, struct snd_array *list, 492 hda_nid_t nid, unsigned int cfg) 493 { 494 struct hda_pincfg *pin; 495 496 /* the check below may be invalid when pins are added by a fixup 497 * dynamically (e.g. via snd_hda_codec_update_widgets()), so disabled 498 * for now 499 */ 500 /* 501 if (get_wcaps_type(get_wcaps(codec, nid)) != AC_WID_PIN) 502 return -EINVAL; 503 */ 504 505 pin = look_up_pincfg(codec, list, nid); 506 if (!pin) { 507 pin = snd_array_new(list); 508 if (!pin) 509 return -ENOMEM; 510 pin->nid = nid; 511 } 512 pin->cfg = cfg; 513 return 0; 514 } 515 516 /** 517 * snd_hda_codec_set_pincfg - Override a pin default configuration 518 * @codec: the HDA codec 519 * @nid: NID to set the pin config 520 * @cfg: the pin default config value 521 * 522 * Override a pin default configuration value in the cache. 523 * This value can be read by snd_hda_codec_get_pincfg() in a higher 524 * priority than the real hardware value. 525 */ 526 int snd_hda_codec_set_pincfg(struct hda_codec *codec, 527 hda_nid_t nid, unsigned int cfg) 528 { 529 return snd_hda_add_pincfg(codec, &codec->driver_pins, nid, cfg); 530 } 531 EXPORT_SYMBOL_GPL(snd_hda_codec_set_pincfg); 532 533 /** 534 * snd_hda_codec_get_pincfg - Obtain a pin-default configuration 535 * @codec: the HDA codec 536 * @nid: NID to get the pin config 537 * 538 * Get the current pin config value of the given pin NID. 539 * If the pincfg value is cached or overridden via sysfs or driver, 540 * returns the cached value. 541 */ 542 unsigned int snd_hda_codec_get_pincfg(struct hda_codec *codec, hda_nid_t nid) 543 { 544 struct hda_pincfg *pin; 545 546 #ifdef CONFIG_SND_HDA_RECONFIG 547 { 548 unsigned int cfg = 0; 549 mutex_lock(&codec->user_mutex); 550 pin = look_up_pincfg(codec, &codec->user_pins, nid); 551 if (pin) 552 cfg = pin->cfg; 553 mutex_unlock(&codec->user_mutex); 554 if (cfg) 555 return cfg; 556 } 557 #endif 558 pin = look_up_pincfg(codec, &codec->driver_pins, nid); 559 if (pin) 560 return pin->cfg; 561 pin = look_up_pincfg(codec, &codec->init_pins, nid); 562 if (pin) 563 return pin->cfg; 564 return 0; 565 } 566 EXPORT_SYMBOL_GPL(snd_hda_codec_get_pincfg); 567 568 /** 569 * snd_hda_codec_set_pin_target - remember the current pinctl target value 570 * @codec: the HDA codec 571 * @nid: pin NID 572 * @val: assigned pinctl value 573 * 574 * This function stores the given value to a pinctl target value in the 575 * pincfg table. This isn't always as same as the actually written value 576 * but can be referred at any time via snd_hda_codec_get_pin_target(). 577 */ 578 int snd_hda_codec_set_pin_target(struct hda_codec *codec, hda_nid_t nid, 579 unsigned int val) 580 { 581 struct hda_pincfg *pin; 582 583 pin = look_up_pincfg(codec, &codec->init_pins, nid); 584 if (!pin) 585 return -EINVAL; 586 pin->target = val; 587 return 0; 588 } 589 EXPORT_SYMBOL_GPL(snd_hda_codec_set_pin_target); 590 591 /** 592 * snd_hda_codec_get_pin_target - return the current pinctl target value 593 * @codec: the HDA codec 594 * @nid: pin NID 595 */ 596 int snd_hda_codec_get_pin_target(struct hda_codec *codec, hda_nid_t nid) 597 { 598 struct hda_pincfg *pin; 599 600 pin = look_up_pincfg(codec, &codec->init_pins, nid); 601 if (!pin) 602 return 0; 603 return pin->target; 604 } 605 EXPORT_SYMBOL_GPL(snd_hda_codec_get_pin_target); 606 607 /** 608 * snd_hda_shutup_pins - Shut up all pins 609 * @codec: the HDA codec 610 * 611 * Clear all pin controls to shup up before suspend for avoiding click noise. 612 * The controls aren't cached so that they can be resumed properly. 613 */ 614 void snd_hda_shutup_pins(struct hda_codec *codec) 615 { 616 const struct hda_pincfg *pin; 617 int i; 618 619 /* don't shut up pins when unloading the driver; otherwise it breaks 620 * the default pin setup at the next load of the driver 621 */ 622 if (codec->bus->shutdown) 623 return; 624 snd_array_for_each(&codec->init_pins, i, pin) { 625 /* use read here for syncing after issuing each verb */ 626 snd_hda_codec_read(codec, pin->nid, 0, 627 AC_VERB_SET_PIN_WIDGET_CONTROL, 0); 628 } 629 codec->pins_shutup = 1; 630 } 631 EXPORT_SYMBOL_GPL(snd_hda_shutup_pins); 632 633 #ifdef CONFIG_PM 634 /* Restore the pin controls cleared previously via snd_hda_shutup_pins() */ 635 static void restore_shutup_pins(struct hda_codec *codec) 636 { 637 const struct hda_pincfg *pin; 638 int i; 639 640 if (!codec->pins_shutup) 641 return; 642 if (codec->bus->shutdown) 643 return; 644 snd_array_for_each(&codec->init_pins, i, pin) { 645 snd_hda_codec_write(codec, pin->nid, 0, 646 AC_VERB_SET_PIN_WIDGET_CONTROL, 647 pin->ctrl); 648 } 649 codec->pins_shutup = 0; 650 } 651 #endif 652 653 static void hda_jackpoll_work(struct work_struct *work) 654 { 655 struct hda_codec *codec = 656 container_of(work, struct hda_codec, jackpoll_work.work); 657 658 snd_hda_jack_set_dirty_all(codec); 659 snd_hda_jack_poll_all(codec); 660 661 if (!codec->jackpoll_interval) 662 return; 663 664 schedule_delayed_work(&codec->jackpoll_work, 665 codec->jackpoll_interval); 666 } 667 668 /* release all pincfg lists */ 669 static void free_init_pincfgs(struct hda_codec *codec) 670 { 671 snd_array_free(&codec->driver_pins); 672 #ifdef CONFIG_SND_HDA_RECONFIG 673 snd_array_free(&codec->user_pins); 674 #endif 675 snd_array_free(&codec->init_pins); 676 } 677 678 /* 679 * audio-converter setup caches 680 */ 681 struct hda_cvt_setup { 682 hda_nid_t nid; 683 u8 stream_tag; 684 u8 channel_id; 685 u16 format_id; 686 unsigned char active; /* cvt is currently used */ 687 unsigned char dirty; /* setups should be cleared */ 688 }; 689 690 /* get or create a cache entry for the given audio converter NID */ 691 static struct hda_cvt_setup * 692 get_hda_cvt_setup(struct hda_codec *codec, hda_nid_t nid) 693 { 694 struct hda_cvt_setup *p; 695 int i; 696 697 snd_array_for_each(&codec->cvt_setups, i, p) { 698 if (p->nid == nid) 699 return p; 700 } 701 p = snd_array_new(&codec->cvt_setups); 702 if (p) 703 p->nid = nid; 704 return p; 705 } 706 707 /* 708 * PCM device 709 */ 710 static void release_pcm(struct kref *kref) 711 { 712 struct hda_pcm *pcm = container_of(kref, struct hda_pcm, kref); 713 714 if (pcm->pcm) 715 snd_device_free(pcm->codec->card, pcm->pcm); 716 clear_bit(pcm->device, pcm->codec->bus->pcm_dev_bits); 717 kfree(pcm->name); 718 kfree(pcm); 719 } 720 721 void snd_hda_codec_pcm_put(struct hda_pcm *pcm) 722 { 723 kref_put(&pcm->kref, release_pcm); 724 } 725 EXPORT_SYMBOL_GPL(snd_hda_codec_pcm_put); 726 727 struct hda_pcm *snd_hda_codec_pcm_new(struct hda_codec *codec, 728 const char *fmt, ...) 729 { 730 struct hda_pcm *pcm; 731 va_list args; 732 733 pcm = kzalloc(sizeof(*pcm), GFP_KERNEL); 734 if (!pcm) 735 return NULL; 736 737 pcm->codec = codec; 738 kref_init(&pcm->kref); 739 va_start(args, fmt); 740 pcm->name = kvasprintf(GFP_KERNEL, fmt, args); 741 va_end(args); 742 if (!pcm->name) { 743 kfree(pcm); 744 return NULL; 745 } 746 747 list_add_tail(&pcm->list, &codec->pcm_list_head); 748 return pcm; 749 } 750 EXPORT_SYMBOL_GPL(snd_hda_codec_pcm_new); 751 752 /* 753 * codec destructor 754 */ 755 static void codec_release_pcms(struct hda_codec *codec) 756 { 757 struct hda_pcm *pcm, *n; 758 759 list_for_each_entry_safe(pcm, n, &codec->pcm_list_head, list) { 760 list_del_init(&pcm->list); 761 if (pcm->pcm) 762 snd_device_disconnect(codec->card, pcm->pcm); 763 snd_hda_codec_pcm_put(pcm); 764 } 765 } 766 767 void snd_hda_codec_cleanup_for_unbind(struct hda_codec *codec) 768 { 769 if (codec->registered) { 770 /* pm_runtime_put() is called in snd_hdac_device_exit() */ 771 pm_runtime_get_noresume(hda_codec_dev(codec)); 772 pm_runtime_disable(hda_codec_dev(codec)); 773 codec->registered = 0; 774 } 775 776 cancel_delayed_work_sync(&codec->jackpoll_work); 777 if (!codec->in_freeing) 778 snd_hda_ctls_clear(codec); 779 codec_release_pcms(codec); 780 snd_hda_detach_beep_device(codec); 781 memset(&codec->patch_ops, 0, sizeof(codec->patch_ops)); 782 snd_hda_jack_tbl_clear(codec); 783 codec->proc_widget_hook = NULL; 784 codec->spec = NULL; 785 786 /* free only driver_pins so that init_pins + user_pins are restored */ 787 snd_array_free(&codec->driver_pins); 788 snd_array_free(&codec->cvt_setups); 789 snd_array_free(&codec->spdif_out); 790 snd_array_free(&codec->verbs); 791 codec->preset = NULL; 792 codec->slave_dig_outs = NULL; 793 codec->spdif_status_reset = 0; 794 snd_array_free(&codec->mixers); 795 snd_array_free(&codec->nids); 796 remove_conn_list(codec); 797 snd_hdac_regmap_exit(&codec->core); 798 } 799 800 static unsigned int hda_set_power_state(struct hda_codec *codec, 801 unsigned int power_state); 802 803 /* enable/disable display power per codec */ 804 static void codec_display_power(struct hda_codec *codec, bool enable) 805 { 806 if (codec->display_power_control) 807 snd_hdac_display_power(&codec->bus->core, codec->addr, enable); 808 } 809 810 /* also called from hda_bind.c */ 811 void snd_hda_codec_register(struct hda_codec *codec) 812 { 813 if (codec->registered) 814 return; 815 if (device_is_registered(hda_codec_dev(codec))) { 816 codec_display_power(codec, true); 817 pm_runtime_enable(hda_codec_dev(codec)); 818 /* it was powered up in snd_hda_codec_new(), now all done */ 819 snd_hda_power_down(codec); 820 codec->registered = 1; 821 } 822 } 823 824 static int snd_hda_codec_dev_register(struct snd_device *device) 825 { 826 snd_hda_codec_register(device->device_data); 827 return 0; 828 } 829 830 static int snd_hda_codec_dev_free(struct snd_device *device) 831 { 832 struct hda_codec *codec = device->device_data; 833 834 codec->in_freeing = 1; 835 /* 836 * snd_hda_codec_device_new() is used by legacy HDA and ASoC driver. 837 * We can't unregister ASoC device since it will be unregistered in 838 * snd_hdac_ext_bus_device_remove(). 839 */ 840 if (codec->core.type == HDA_DEV_LEGACY) 841 snd_hdac_device_unregister(&codec->core); 842 codec_display_power(codec, false); 843 put_device(hda_codec_dev(codec)); 844 return 0; 845 } 846 847 static void snd_hda_codec_dev_release(struct device *dev) 848 { 849 struct hda_codec *codec = dev_to_hda_codec(dev); 850 851 free_init_pincfgs(codec); 852 snd_hdac_device_exit(&codec->core); 853 snd_hda_sysfs_clear(codec); 854 kfree(codec->modelname); 855 kfree(codec->wcaps); 856 kfree(codec); 857 } 858 859 #define DEV_NAME_LEN 31 860 861 static int snd_hda_codec_device_init(struct hda_bus *bus, struct snd_card *card, 862 unsigned int codec_addr, struct hda_codec **codecp) 863 { 864 char name[DEV_NAME_LEN]; 865 struct hda_codec *codec; 866 int err; 867 868 dev_dbg(card->dev, "%s: entry\n", __func__); 869 870 if (snd_BUG_ON(!bus)) 871 return -EINVAL; 872 if (snd_BUG_ON(codec_addr > HDA_MAX_CODEC_ADDRESS)) 873 return -EINVAL; 874 875 codec = kzalloc(sizeof(*codec), GFP_KERNEL); 876 if (!codec) 877 return -ENOMEM; 878 879 sprintf(name, "hdaudioC%dD%d", card->number, codec_addr); 880 err = snd_hdac_device_init(&codec->core, &bus->core, name, codec_addr); 881 if (err < 0) { 882 kfree(codec); 883 return err; 884 } 885 886 codec->core.type = HDA_DEV_LEGACY; 887 *codecp = codec; 888 889 return err; 890 } 891 892 /** 893 * snd_hda_codec_new - create a HDA codec 894 * @bus: the bus to assign 895 * @codec_addr: the codec address 896 * @codecp: the pointer to store the generated codec 897 * 898 * Returns 0 if successful, or a negative error code. 899 */ 900 int snd_hda_codec_new(struct hda_bus *bus, struct snd_card *card, 901 unsigned int codec_addr, struct hda_codec **codecp) 902 { 903 int ret; 904 905 ret = snd_hda_codec_device_init(bus, card, codec_addr, codecp); 906 if (ret < 0) 907 return ret; 908 909 return snd_hda_codec_device_new(bus, card, codec_addr, *codecp); 910 } 911 EXPORT_SYMBOL_GPL(snd_hda_codec_new); 912 913 int snd_hda_codec_device_new(struct hda_bus *bus, struct snd_card *card, 914 unsigned int codec_addr, struct hda_codec *codec) 915 { 916 char component[31]; 917 hda_nid_t fg; 918 int err; 919 static struct snd_device_ops dev_ops = { 920 .dev_register = snd_hda_codec_dev_register, 921 .dev_free = snd_hda_codec_dev_free, 922 }; 923 924 dev_dbg(card->dev, "%s: entry\n", __func__); 925 926 if (snd_BUG_ON(!bus)) 927 return -EINVAL; 928 if (snd_BUG_ON(codec_addr > HDA_MAX_CODEC_ADDRESS)) 929 return -EINVAL; 930 931 codec->core.dev.release = snd_hda_codec_dev_release; 932 codec->core.exec_verb = codec_exec_verb; 933 934 codec->bus = bus; 935 codec->card = card; 936 codec->addr = codec_addr; 937 mutex_init(&codec->spdif_mutex); 938 mutex_init(&codec->control_mutex); 939 snd_array_init(&codec->mixers, sizeof(struct hda_nid_item), 32); 940 snd_array_init(&codec->nids, sizeof(struct hda_nid_item), 32); 941 snd_array_init(&codec->init_pins, sizeof(struct hda_pincfg), 16); 942 snd_array_init(&codec->driver_pins, sizeof(struct hda_pincfg), 16); 943 snd_array_init(&codec->cvt_setups, sizeof(struct hda_cvt_setup), 8); 944 snd_array_init(&codec->spdif_out, sizeof(struct hda_spdif_out), 16); 945 snd_array_init(&codec->jacktbl, sizeof(struct hda_jack_tbl), 16); 946 snd_array_init(&codec->verbs, sizeof(struct hda_verb *), 8); 947 INIT_LIST_HEAD(&codec->conn_list); 948 INIT_LIST_HEAD(&codec->pcm_list_head); 949 950 INIT_DELAYED_WORK(&codec->jackpoll_work, hda_jackpoll_work); 951 codec->depop_delay = -1; 952 codec->fixup_id = HDA_FIXUP_ID_NOT_SET; 953 954 #ifdef CONFIG_PM 955 codec->power_jiffies = jiffies; 956 #endif 957 958 snd_hda_sysfs_init(codec); 959 960 if (codec->bus->modelname) { 961 codec->modelname = kstrdup(codec->bus->modelname, GFP_KERNEL); 962 if (!codec->modelname) { 963 err = -ENOMEM; 964 goto error; 965 } 966 } 967 968 fg = codec->core.afg ? codec->core.afg : codec->core.mfg; 969 err = read_widget_caps(codec, fg); 970 if (err < 0) 971 goto error; 972 err = read_pin_defaults(codec); 973 if (err < 0) 974 goto error; 975 976 /* power-up all before initialization */ 977 hda_set_power_state(codec, AC_PWRST_D0); 978 codec->core.dev.power.power_state = PMSG_ON; 979 980 snd_hda_codec_proc_new(codec); 981 982 snd_hda_create_hwdep(codec); 983 984 sprintf(component, "HDA:%08x,%08x,%08x", codec->core.vendor_id, 985 codec->core.subsystem_id, codec->core.revision_id); 986 snd_component_add(card, component); 987 988 err = snd_device_new(card, SNDRV_DEV_CODEC, codec, &dev_ops); 989 if (err < 0) 990 goto error; 991 992 return 0; 993 994 error: 995 put_device(hda_codec_dev(codec)); 996 return err; 997 } 998 EXPORT_SYMBOL_GPL(snd_hda_codec_device_new); 999 1000 /** 1001 * snd_hda_codec_update_widgets - Refresh widget caps and pin defaults 1002 * @codec: the HDA codec 1003 * 1004 * Forcibly refresh the all widget caps and the init pin configurations of 1005 * the given codec. 1006 */ 1007 int snd_hda_codec_update_widgets(struct hda_codec *codec) 1008 { 1009 hda_nid_t fg; 1010 int err; 1011 1012 err = snd_hdac_refresh_widgets(&codec->core, true); 1013 if (err < 0) 1014 return err; 1015 1016 /* Assume the function group node does not change, 1017 * only the widget nodes may change. 1018 */ 1019 kfree(codec->wcaps); 1020 fg = codec->core.afg ? codec->core.afg : codec->core.mfg; 1021 err = read_widget_caps(codec, fg); 1022 if (err < 0) 1023 return err; 1024 1025 snd_array_free(&codec->init_pins); 1026 err = read_pin_defaults(codec); 1027 1028 return err; 1029 } 1030 EXPORT_SYMBOL_GPL(snd_hda_codec_update_widgets); 1031 1032 /* update the stream-id if changed */ 1033 static void update_pcm_stream_id(struct hda_codec *codec, 1034 struct hda_cvt_setup *p, hda_nid_t nid, 1035 u32 stream_tag, int channel_id) 1036 { 1037 unsigned int oldval, newval; 1038 1039 if (p->stream_tag != stream_tag || p->channel_id != channel_id) { 1040 oldval = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0); 1041 newval = (stream_tag << 4) | channel_id; 1042 if (oldval != newval) 1043 snd_hda_codec_write(codec, nid, 0, 1044 AC_VERB_SET_CHANNEL_STREAMID, 1045 newval); 1046 p->stream_tag = stream_tag; 1047 p->channel_id = channel_id; 1048 } 1049 } 1050 1051 /* update the format-id if changed */ 1052 static void update_pcm_format(struct hda_codec *codec, struct hda_cvt_setup *p, 1053 hda_nid_t nid, int format) 1054 { 1055 unsigned int oldval; 1056 1057 if (p->format_id != format) { 1058 oldval = snd_hda_codec_read(codec, nid, 0, 1059 AC_VERB_GET_STREAM_FORMAT, 0); 1060 if (oldval != format) { 1061 msleep(1); 1062 snd_hda_codec_write(codec, nid, 0, 1063 AC_VERB_SET_STREAM_FORMAT, 1064 format); 1065 } 1066 p->format_id = format; 1067 } 1068 } 1069 1070 /** 1071 * snd_hda_codec_setup_stream - set up the codec for streaming 1072 * @codec: the CODEC to set up 1073 * @nid: the NID to set up 1074 * @stream_tag: stream tag to pass, it's between 0x1 and 0xf. 1075 * @channel_id: channel id to pass, zero based. 1076 * @format: stream format. 1077 */ 1078 void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid, 1079 u32 stream_tag, 1080 int channel_id, int format) 1081 { 1082 struct hda_codec *c; 1083 struct hda_cvt_setup *p; 1084 int type; 1085 int i; 1086 1087 if (!nid) 1088 return; 1089 1090 codec_dbg(codec, 1091 "hda_codec_setup_stream: NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n", 1092 nid, stream_tag, channel_id, format); 1093 p = get_hda_cvt_setup(codec, nid); 1094 if (!p) 1095 return; 1096 1097 if (codec->patch_ops.stream_pm) 1098 codec->patch_ops.stream_pm(codec, nid, true); 1099 if (codec->pcm_format_first) 1100 update_pcm_format(codec, p, nid, format); 1101 update_pcm_stream_id(codec, p, nid, stream_tag, channel_id); 1102 if (!codec->pcm_format_first) 1103 update_pcm_format(codec, p, nid, format); 1104 1105 p->active = 1; 1106 p->dirty = 0; 1107 1108 /* make other inactive cvts with the same stream-tag dirty */ 1109 type = get_wcaps_type(get_wcaps(codec, nid)); 1110 list_for_each_codec(c, codec->bus) { 1111 snd_array_for_each(&c->cvt_setups, i, p) { 1112 if (!p->active && p->stream_tag == stream_tag && 1113 get_wcaps_type(get_wcaps(c, p->nid)) == type) 1114 p->dirty = 1; 1115 } 1116 } 1117 } 1118 EXPORT_SYMBOL_GPL(snd_hda_codec_setup_stream); 1119 1120 static void really_cleanup_stream(struct hda_codec *codec, 1121 struct hda_cvt_setup *q); 1122 1123 /** 1124 * __snd_hda_codec_cleanup_stream - clean up the codec for closing 1125 * @codec: the CODEC to clean up 1126 * @nid: the NID to clean up 1127 * @do_now: really clean up the stream instead of clearing the active flag 1128 */ 1129 void __snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid, 1130 int do_now) 1131 { 1132 struct hda_cvt_setup *p; 1133 1134 if (!nid) 1135 return; 1136 1137 if (codec->no_sticky_stream) 1138 do_now = 1; 1139 1140 codec_dbg(codec, "hda_codec_cleanup_stream: NID=0x%x\n", nid); 1141 p = get_hda_cvt_setup(codec, nid); 1142 if (p) { 1143 /* here we just clear the active flag when do_now isn't set; 1144 * actual clean-ups will be done later in 1145 * purify_inactive_streams() called from snd_hda_codec_prpapre() 1146 */ 1147 if (do_now) 1148 really_cleanup_stream(codec, p); 1149 else 1150 p->active = 0; 1151 } 1152 } 1153 EXPORT_SYMBOL_GPL(__snd_hda_codec_cleanup_stream); 1154 1155 static void really_cleanup_stream(struct hda_codec *codec, 1156 struct hda_cvt_setup *q) 1157 { 1158 hda_nid_t nid = q->nid; 1159 if (q->stream_tag || q->channel_id) 1160 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID, 0); 1161 if (q->format_id) 1162 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, 0 1163 ); 1164 memset(q, 0, sizeof(*q)); 1165 q->nid = nid; 1166 if (codec->patch_ops.stream_pm) 1167 codec->patch_ops.stream_pm(codec, nid, false); 1168 } 1169 1170 /* clean up the all conflicting obsolete streams */ 1171 static void purify_inactive_streams(struct hda_codec *codec) 1172 { 1173 struct hda_codec *c; 1174 struct hda_cvt_setup *p; 1175 int i; 1176 1177 list_for_each_codec(c, codec->bus) { 1178 snd_array_for_each(&c->cvt_setups, i, p) { 1179 if (p->dirty) 1180 really_cleanup_stream(c, p); 1181 } 1182 } 1183 } 1184 1185 #ifdef CONFIG_PM 1186 /* clean up all streams; called from suspend */ 1187 static void hda_cleanup_all_streams(struct hda_codec *codec) 1188 { 1189 struct hda_cvt_setup *p; 1190 int i; 1191 1192 snd_array_for_each(&codec->cvt_setups, i, p) { 1193 if (p->stream_tag) 1194 really_cleanup_stream(codec, p); 1195 } 1196 } 1197 #endif 1198 1199 /* 1200 * amp access functions 1201 */ 1202 1203 /** 1204 * query_amp_caps - query AMP capabilities 1205 * @codec: the HD-auio codec 1206 * @nid: the NID to query 1207 * @direction: either #HDA_INPUT or #HDA_OUTPUT 1208 * 1209 * Query AMP capabilities for the given widget and direction. 1210 * Returns the obtained capability bits. 1211 * 1212 * When cap bits have been already read, this doesn't read again but 1213 * returns the cached value. 1214 */ 1215 u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction) 1216 { 1217 if (!(get_wcaps(codec, nid) & AC_WCAP_AMP_OVRD)) 1218 nid = codec->core.afg; 1219 return snd_hda_param_read(codec, nid, 1220 direction == HDA_OUTPUT ? 1221 AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP); 1222 } 1223 EXPORT_SYMBOL_GPL(query_amp_caps); 1224 1225 /** 1226 * snd_hda_check_amp_caps - query AMP capabilities 1227 * @codec: the HD-audio codec 1228 * @nid: the NID to query 1229 * @dir: either #HDA_INPUT or #HDA_OUTPUT 1230 * @bits: bit mask to check the result 1231 * 1232 * Check whether the widget has the given amp capability for the direction. 1233 */ 1234 bool snd_hda_check_amp_caps(struct hda_codec *codec, hda_nid_t nid, 1235 int dir, unsigned int bits) 1236 { 1237 if (!nid) 1238 return false; 1239 if (get_wcaps(codec, nid) & (1 << (dir + 1))) 1240 if (query_amp_caps(codec, nid, dir) & bits) 1241 return true; 1242 return false; 1243 } 1244 EXPORT_SYMBOL_GPL(snd_hda_check_amp_caps); 1245 1246 /** 1247 * snd_hda_override_amp_caps - Override the AMP capabilities 1248 * @codec: the CODEC to clean up 1249 * @nid: the NID to clean up 1250 * @dir: either #HDA_INPUT or #HDA_OUTPUT 1251 * @caps: the capability bits to set 1252 * 1253 * Override the cached AMP caps bits value by the given one. 1254 * This function is useful if the driver needs to adjust the AMP ranges, 1255 * e.g. limit to 0dB, etc. 1256 * 1257 * Returns zero if successful or a negative error code. 1258 */ 1259 int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir, 1260 unsigned int caps) 1261 { 1262 unsigned int parm; 1263 1264 snd_hda_override_wcaps(codec, nid, 1265 get_wcaps(codec, nid) | AC_WCAP_AMP_OVRD); 1266 parm = dir == HDA_OUTPUT ? AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP; 1267 return snd_hdac_override_parm(&codec->core, nid, parm, caps); 1268 } 1269 EXPORT_SYMBOL_GPL(snd_hda_override_amp_caps); 1270 1271 /** 1272 * snd_hda_codec_amp_update - update the AMP mono value 1273 * @codec: HD-audio codec 1274 * @nid: NID to read the AMP value 1275 * @ch: channel to update (0 or 1) 1276 * @dir: #HDA_INPUT or #HDA_OUTPUT 1277 * @idx: the index value (only for input direction) 1278 * @mask: bit mask to set 1279 * @val: the bits value to set 1280 * 1281 * Update the AMP values for the given channel, direction and index. 1282 */ 1283 int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, 1284 int ch, int dir, int idx, int mask, int val) 1285 { 1286 unsigned int cmd = snd_hdac_regmap_encode_amp(nid, ch, dir, idx); 1287 1288 /* enable fake mute if no h/w mute but min=mute */ 1289 if ((query_amp_caps(codec, nid, dir) & 1290 (AC_AMPCAP_MUTE | AC_AMPCAP_MIN_MUTE)) == AC_AMPCAP_MIN_MUTE) 1291 cmd |= AC_AMP_FAKE_MUTE; 1292 return snd_hdac_regmap_update_raw(&codec->core, cmd, mask, val); 1293 } 1294 EXPORT_SYMBOL_GPL(snd_hda_codec_amp_update); 1295 1296 /** 1297 * snd_hda_codec_amp_stereo - update the AMP stereo values 1298 * @codec: HD-audio codec 1299 * @nid: NID to read the AMP value 1300 * @direction: #HDA_INPUT or #HDA_OUTPUT 1301 * @idx: the index value (only for input direction) 1302 * @mask: bit mask to set 1303 * @val: the bits value to set 1304 * 1305 * Update the AMP values like snd_hda_codec_amp_update(), but for a 1306 * stereo widget with the same mask and value. 1307 */ 1308 int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid, 1309 int direction, int idx, int mask, int val) 1310 { 1311 int ch, ret = 0; 1312 1313 if (snd_BUG_ON(mask & ~0xff)) 1314 mask &= 0xff; 1315 for (ch = 0; ch < 2; ch++) 1316 ret |= snd_hda_codec_amp_update(codec, nid, ch, direction, 1317 idx, mask, val); 1318 return ret; 1319 } 1320 EXPORT_SYMBOL_GPL(snd_hda_codec_amp_stereo); 1321 1322 /** 1323 * snd_hda_codec_amp_init - initialize the AMP value 1324 * @codec: the HDA codec 1325 * @nid: NID to read the AMP value 1326 * @ch: channel (left=0 or right=1) 1327 * @dir: #HDA_INPUT or #HDA_OUTPUT 1328 * @idx: the index value (only for input direction) 1329 * @mask: bit mask to set 1330 * @val: the bits value to set 1331 * 1332 * Works like snd_hda_codec_amp_update() but it writes the value only at 1333 * the first access. If the amp was already initialized / updated beforehand, 1334 * this does nothing. 1335 */ 1336 int snd_hda_codec_amp_init(struct hda_codec *codec, hda_nid_t nid, int ch, 1337 int dir, int idx, int mask, int val) 1338 { 1339 int orig; 1340 1341 if (!codec->core.regmap) 1342 return -EINVAL; 1343 regcache_cache_only(codec->core.regmap, true); 1344 orig = snd_hda_codec_amp_read(codec, nid, ch, dir, idx); 1345 regcache_cache_only(codec->core.regmap, false); 1346 if (orig >= 0) 1347 return 0; 1348 return snd_hda_codec_amp_update(codec, nid, ch, dir, idx, mask, val); 1349 } 1350 EXPORT_SYMBOL_GPL(snd_hda_codec_amp_init); 1351 1352 /** 1353 * snd_hda_codec_amp_init_stereo - initialize the stereo AMP value 1354 * @codec: the HDA codec 1355 * @nid: NID to read the AMP value 1356 * @dir: #HDA_INPUT or #HDA_OUTPUT 1357 * @idx: the index value (only for input direction) 1358 * @mask: bit mask to set 1359 * @val: the bits value to set 1360 * 1361 * Call snd_hda_codec_amp_init() for both stereo channels. 1362 */ 1363 int snd_hda_codec_amp_init_stereo(struct hda_codec *codec, hda_nid_t nid, 1364 int dir, int idx, int mask, int val) 1365 { 1366 int ch, ret = 0; 1367 1368 if (snd_BUG_ON(mask & ~0xff)) 1369 mask &= 0xff; 1370 for (ch = 0; ch < 2; ch++) 1371 ret |= snd_hda_codec_amp_init(codec, nid, ch, dir, 1372 idx, mask, val); 1373 return ret; 1374 } 1375 EXPORT_SYMBOL_GPL(snd_hda_codec_amp_init_stereo); 1376 1377 static u32 get_amp_max_value(struct hda_codec *codec, hda_nid_t nid, int dir, 1378 unsigned int ofs) 1379 { 1380 u32 caps = query_amp_caps(codec, nid, dir); 1381 /* get num steps */ 1382 caps = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT; 1383 if (ofs < caps) 1384 caps -= ofs; 1385 return caps; 1386 } 1387 1388 /** 1389 * snd_hda_mixer_amp_volume_info - Info callback for a standard AMP mixer 1390 * @kcontrol: referred ctl element 1391 * @uinfo: pointer to get/store the data 1392 * 1393 * The control element is supposed to have the private_value field 1394 * set up via HDA_COMPOSE_AMP_VAL*() or related macros. 1395 */ 1396 int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol, 1397 struct snd_ctl_elem_info *uinfo) 1398 { 1399 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 1400 u16 nid = get_amp_nid(kcontrol); 1401 u8 chs = get_amp_channels(kcontrol); 1402 int dir = get_amp_direction(kcontrol); 1403 unsigned int ofs = get_amp_offset(kcontrol); 1404 1405 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 1406 uinfo->count = chs == 3 ? 2 : 1; 1407 uinfo->value.integer.min = 0; 1408 uinfo->value.integer.max = get_amp_max_value(codec, nid, dir, ofs); 1409 if (!uinfo->value.integer.max) { 1410 codec_warn(codec, 1411 "num_steps = 0 for NID=0x%x (ctl = %s)\n", 1412 nid, kcontrol->id.name); 1413 return -EINVAL; 1414 } 1415 return 0; 1416 } 1417 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_info); 1418 1419 1420 static inline unsigned int 1421 read_amp_value(struct hda_codec *codec, hda_nid_t nid, 1422 int ch, int dir, int idx, unsigned int ofs) 1423 { 1424 unsigned int val; 1425 val = snd_hda_codec_amp_read(codec, nid, ch, dir, idx); 1426 val &= HDA_AMP_VOLMASK; 1427 if (val >= ofs) 1428 val -= ofs; 1429 else 1430 val = 0; 1431 return val; 1432 } 1433 1434 static inline int 1435 update_amp_value(struct hda_codec *codec, hda_nid_t nid, 1436 int ch, int dir, int idx, unsigned int ofs, 1437 unsigned int val) 1438 { 1439 unsigned int maxval; 1440 1441 if (val > 0) 1442 val += ofs; 1443 /* ofs = 0: raw max value */ 1444 maxval = get_amp_max_value(codec, nid, dir, 0); 1445 if (val > maxval) 1446 val = maxval; 1447 return snd_hda_codec_amp_update(codec, nid, ch, dir, idx, 1448 HDA_AMP_VOLMASK, val); 1449 } 1450 1451 /** 1452 * snd_hda_mixer_amp_volume_get - Get callback for a standard AMP mixer volume 1453 * @kcontrol: ctl element 1454 * @ucontrol: pointer to get/store the data 1455 * 1456 * The control element is supposed to have the private_value field 1457 * set up via HDA_COMPOSE_AMP_VAL*() or related macros. 1458 */ 1459 int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol, 1460 struct snd_ctl_elem_value *ucontrol) 1461 { 1462 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 1463 hda_nid_t nid = get_amp_nid(kcontrol); 1464 int chs = get_amp_channels(kcontrol); 1465 int dir = get_amp_direction(kcontrol); 1466 int idx = get_amp_index(kcontrol); 1467 unsigned int ofs = get_amp_offset(kcontrol); 1468 long *valp = ucontrol->value.integer.value; 1469 1470 if (chs & 1) 1471 *valp++ = read_amp_value(codec, nid, 0, dir, idx, ofs); 1472 if (chs & 2) 1473 *valp = read_amp_value(codec, nid, 1, dir, idx, ofs); 1474 return 0; 1475 } 1476 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_get); 1477 1478 /** 1479 * snd_hda_mixer_amp_volume_put - Put callback for a standard AMP mixer volume 1480 * @kcontrol: ctl element 1481 * @ucontrol: pointer to get/store the data 1482 * 1483 * The control element is supposed to have the private_value field 1484 * set up via HDA_COMPOSE_AMP_VAL*() or related macros. 1485 */ 1486 int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol, 1487 struct snd_ctl_elem_value *ucontrol) 1488 { 1489 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 1490 hda_nid_t nid = get_amp_nid(kcontrol); 1491 int chs = get_amp_channels(kcontrol); 1492 int dir = get_amp_direction(kcontrol); 1493 int idx = get_amp_index(kcontrol); 1494 unsigned int ofs = get_amp_offset(kcontrol); 1495 long *valp = ucontrol->value.integer.value; 1496 int change = 0; 1497 1498 if (chs & 1) { 1499 change = update_amp_value(codec, nid, 0, dir, idx, ofs, *valp); 1500 valp++; 1501 } 1502 if (chs & 2) 1503 change |= update_amp_value(codec, nid, 1, dir, idx, ofs, *valp); 1504 return change; 1505 } 1506 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_put); 1507 1508 /* inquiry the amp caps and convert to TLV */ 1509 static void get_ctl_amp_tlv(struct snd_kcontrol *kcontrol, unsigned int *tlv) 1510 { 1511 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 1512 hda_nid_t nid = get_amp_nid(kcontrol); 1513 int dir = get_amp_direction(kcontrol); 1514 unsigned int ofs = get_amp_offset(kcontrol); 1515 bool min_mute = get_amp_min_mute(kcontrol); 1516 u32 caps, val1, val2; 1517 1518 caps = query_amp_caps(codec, nid, dir); 1519 val2 = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT; 1520 val2 = (val2 + 1) * 25; 1521 val1 = -((caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT); 1522 val1 += ofs; 1523 val1 = ((int)val1) * ((int)val2); 1524 if (min_mute || (caps & AC_AMPCAP_MIN_MUTE)) 1525 val2 |= TLV_DB_SCALE_MUTE; 1526 tlv[SNDRV_CTL_TLVO_TYPE] = SNDRV_CTL_TLVT_DB_SCALE; 1527 tlv[SNDRV_CTL_TLVO_LEN] = 2 * sizeof(unsigned int); 1528 tlv[SNDRV_CTL_TLVO_DB_SCALE_MIN] = val1; 1529 tlv[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] = val2; 1530 } 1531 1532 /** 1533 * snd_hda_mixer_amp_tlv - TLV callback for a standard AMP mixer volume 1534 * @kcontrol: ctl element 1535 * @op_flag: operation flag 1536 * @size: byte size of input TLV 1537 * @_tlv: TLV data 1538 * 1539 * The control element is supposed to have the private_value field 1540 * set up via HDA_COMPOSE_AMP_VAL*() or related macros. 1541 */ 1542 int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag, 1543 unsigned int size, unsigned int __user *_tlv) 1544 { 1545 unsigned int tlv[4]; 1546 1547 if (size < 4 * sizeof(unsigned int)) 1548 return -ENOMEM; 1549 get_ctl_amp_tlv(kcontrol, tlv); 1550 if (copy_to_user(_tlv, tlv, sizeof(tlv))) 1551 return -EFAULT; 1552 return 0; 1553 } 1554 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_tlv); 1555 1556 /** 1557 * snd_hda_set_vmaster_tlv - Set TLV for a virtual master control 1558 * @codec: HD-audio codec 1559 * @nid: NID of a reference widget 1560 * @dir: #HDA_INPUT or #HDA_OUTPUT 1561 * @tlv: TLV data to be stored, at least 4 elements 1562 * 1563 * Set (static) TLV data for a virtual master volume using the AMP caps 1564 * obtained from the reference NID. 1565 * The volume range is recalculated as if the max volume is 0dB. 1566 */ 1567 void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir, 1568 unsigned int *tlv) 1569 { 1570 u32 caps; 1571 int nums, step; 1572 1573 caps = query_amp_caps(codec, nid, dir); 1574 nums = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT; 1575 step = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT; 1576 step = (step + 1) * 25; 1577 tlv[SNDRV_CTL_TLVO_TYPE] = SNDRV_CTL_TLVT_DB_SCALE; 1578 tlv[SNDRV_CTL_TLVO_LEN] = 2 * sizeof(unsigned int); 1579 tlv[SNDRV_CTL_TLVO_DB_SCALE_MIN] = -nums * step; 1580 tlv[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] = step; 1581 } 1582 EXPORT_SYMBOL_GPL(snd_hda_set_vmaster_tlv); 1583 1584 /* find a mixer control element with the given name */ 1585 static struct snd_kcontrol * 1586 find_mixer_ctl(struct hda_codec *codec, const char *name, int dev, int idx) 1587 { 1588 struct snd_ctl_elem_id id; 1589 memset(&id, 0, sizeof(id)); 1590 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 1591 id.device = dev; 1592 id.index = idx; 1593 if (snd_BUG_ON(strlen(name) >= sizeof(id.name))) 1594 return NULL; 1595 strcpy(id.name, name); 1596 return snd_ctl_find_id(codec->card, &id); 1597 } 1598 1599 /** 1600 * snd_hda_find_mixer_ctl - Find a mixer control element with the given name 1601 * @codec: HD-audio codec 1602 * @name: ctl id name string 1603 * 1604 * Get the control element with the given id string and IFACE_MIXER. 1605 */ 1606 struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec, 1607 const char *name) 1608 { 1609 return find_mixer_ctl(codec, name, 0, 0); 1610 } 1611 EXPORT_SYMBOL_GPL(snd_hda_find_mixer_ctl); 1612 1613 static int find_empty_mixer_ctl_idx(struct hda_codec *codec, const char *name, 1614 int start_idx) 1615 { 1616 int i, idx; 1617 /* 16 ctlrs should be large enough */ 1618 for (i = 0, idx = start_idx; i < 16; i++, idx++) { 1619 if (!find_mixer_ctl(codec, name, 0, idx)) 1620 return idx; 1621 } 1622 return -EBUSY; 1623 } 1624 1625 /** 1626 * snd_hda_ctl_add - Add a control element and assign to the codec 1627 * @codec: HD-audio codec 1628 * @nid: corresponding NID (optional) 1629 * @kctl: the control element to assign 1630 * 1631 * Add the given control element to an array inside the codec instance. 1632 * All control elements belonging to a codec are supposed to be added 1633 * by this function so that a proper clean-up works at the free or 1634 * reconfiguration time. 1635 * 1636 * If non-zero @nid is passed, the NID is assigned to the control element. 1637 * The assignment is shown in the codec proc file. 1638 * 1639 * snd_hda_ctl_add() checks the control subdev id field whether 1640 * #HDA_SUBDEV_NID_FLAG bit is set. If set (and @nid is zero), the lower 1641 * bits value is taken as the NID to assign. The #HDA_NID_ITEM_AMP bit 1642 * specifies if kctl->private_value is a HDA amplifier value. 1643 */ 1644 int snd_hda_ctl_add(struct hda_codec *codec, hda_nid_t nid, 1645 struct snd_kcontrol *kctl) 1646 { 1647 int err; 1648 unsigned short flags = 0; 1649 struct hda_nid_item *item; 1650 1651 if (kctl->id.subdevice & HDA_SUBDEV_AMP_FLAG) { 1652 flags |= HDA_NID_ITEM_AMP; 1653 if (nid == 0) 1654 nid = get_amp_nid_(kctl->private_value); 1655 } 1656 if ((kctl->id.subdevice & HDA_SUBDEV_NID_FLAG) != 0 && nid == 0) 1657 nid = kctl->id.subdevice & 0xffff; 1658 if (kctl->id.subdevice & (HDA_SUBDEV_NID_FLAG|HDA_SUBDEV_AMP_FLAG)) 1659 kctl->id.subdevice = 0; 1660 err = snd_ctl_add(codec->card, kctl); 1661 if (err < 0) 1662 return err; 1663 item = snd_array_new(&codec->mixers); 1664 if (!item) 1665 return -ENOMEM; 1666 item->kctl = kctl; 1667 item->nid = nid; 1668 item->flags = flags; 1669 return 0; 1670 } 1671 EXPORT_SYMBOL_GPL(snd_hda_ctl_add); 1672 1673 /** 1674 * snd_hda_add_nid - Assign a NID to a control element 1675 * @codec: HD-audio codec 1676 * @nid: corresponding NID (optional) 1677 * @kctl: the control element to assign 1678 * @index: index to kctl 1679 * 1680 * Add the given control element to an array inside the codec instance. 1681 * This function is used when #snd_hda_ctl_add cannot be used for 1:1 1682 * NID:KCTL mapping - for example "Capture Source" selector. 1683 */ 1684 int snd_hda_add_nid(struct hda_codec *codec, struct snd_kcontrol *kctl, 1685 unsigned int index, hda_nid_t nid) 1686 { 1687 struct hda_nid_item *item; 1688 1689 if (nid > 0) { 1690 item = snd_array_new(&codec->nids); 1691 if (!item) 1692 return -ENOMEM; 1693 item->kctl = kctl; 1694 item->index = index; 1695 item->nid = nid; 1696 return 0; 1697 } 1698 codec_err(codec, "no NID for mapping control %s:%d:%d\n", 1699 kctl->id.name, kctl->id.index, index); 1700 return -EINVAL; 1701 } 1702 EXPORT_SYMBOL_GPL(snd_hda_add_nid); 1703 1704 /** 1705 * snd_hda_ctls_clear - Clear all controls assigned to the given codec 1706 * @codec: HD-audio codec 1707 */ 1708 void snd_hda_ctls_clear(struct hda_codec *codec) 1709 { 1710 int i; 1711 struct hda_nid_item *items = codec->mixers.list; 1712 for (i = 0; i < codec->mixers.used; i++) 1713 snd_ctl_remove(codec->card, items[i].kctl); 1714 snd_array_free(&codec->mixers); 1715 snd_array_free(&codec->nids); 1716 } 1717 1718 /** 1719 * snd_hda_lock_devices - pseudo device locking 1720 * @bus: the BUS 1721 * 1722 * toggle card->shutdown to allow/disallow the device access (as a hack) 1723 */ 1724 int snd_hda_lock_devices(struct hda_bus *bus) 1725 { 1726 struct snd_card *card = bus->card; 1727 struct hda_codec *codec; 1728 1729 spin_lock(&card->files_lock); 1730 if (card->shutdown) 1731 goto err_unlock; 1732 card->shutdown = 1; 1733 if (!list_empty(&card->ctl_files)) 1734 goto err_clear; 1735 1736 list_for_each_codec(codec, bus) { 1737 struct hda_pcm *cpcm; 1738 list_for_each_entry(cpcm, &codec->pcm_list_head, list) { 1739 if (!cpcm->pcm) 1740 continue; 1741 if (cpcm->pcm->streams[0].substream_opened || 1742 cpcm->pcm->streams[1].substream_opened) 1743 goto err_clear; 1744 } 1745 } 1746 spin_unlock(&card->files_lock); 1747 return 0; 1748 1749 err_clear: 1750 card->shutdown = 0; 1751 err_unlock: 1752 spin_unlock(&card->files_lock); 1753 return -EINVAL; 1754 } 1755 EXPORT_SYMBOL_GPL(snd_hda_lock_devices); 1756 1757 /** 1758 * snd_hda_unlock_devices - pseudo device unlocking 1759 * @bus: the BUS 1760 */ 1761 void snd_hda_unlock_devices(struct hda_bus *bus) 1762 { 1763 struct snd_card *card = bus->card; 1764 1765 spin_lock(&card->files_lock); 1766 card->shutdown = 0; 1767 spin_unlock(&card->files_lock); 1768 } 1769 EXPORT_SYMBOL_GPL(snd_hda_unlock_devices); 1770 1771 /** 1772 * snd_hda_codec_reset - Clear all objects assigned to the codec 1773 * @codec: HD-audio codec 1774 * 1775 * This frees the all PCM and control elements assigned to the codec, and 1776 * clears the caches and restores the pin default configurations. 1777 * 1778 * When a device is being used, it returns -EBSY. If successfully freed, 1779 * returns zero. 1780 */ 1781 int snd_hda_codec_reset(struct hda_codec *codec) 1782 { 1783 struct hda_bus *bus = codec->bus; 1784 1785 if (snd_hda_lock_devices(bus) < 0) 1786 return -EBUSY; 1787 1788 /* OK, let it free */ 1789 snd_hdac_device_unregister(&codec->core); 1790 1791 /* allow device access again */ 1792 snd_hda_unlock_devices(bus); 1793 return 0; 1794 } 1795 1796 typedef int (*map_slave_func_t)(struct hda_codec *, void *, struct snd_kcontrol *); 1797 1798 /* apply the function to all matching slave ctls in the mixer list */ 1799 static int map_slaves(struct hda_codec *codec, const char * const *slaves, 1800 const char *suffix, map_slave_func_t func, void *data) 1801 { 1802 struct hda_nid_item *items; 1803 const char * const *s; 1804 int i, err; 1805 1806 items = codec->mixers.list; 1807 for (i = 0; i < codec->mixers.used; i++) { 1808 struct snd_kcontrol *sctl = items[i].kctl; 1809 if (!sctl || sctl->id.iface != SNDRV_CTL_ELEM_IFACE_MIXER) 1810 continue; 1811 for (s = slaves; *s; s++) { 1812 char tmpname[sizeof(sctl->id.name)]; 1813 const char *name = *s; 1814 if (suffix) { 1815 snprintf(tmpname, sizeof(tmpname), "%s %s", 1816 name, suffix); 1817 name = tmpname; 1818 } 1819 if (!strcmp(sctl->id.name, name)) { 1820 err = func(codec, data, sctl); 1821 if (err) 1822 return err; 1823 break; 1824 } 1825 } 1826 } 1827 return 0; 1828 } 1829 1830 static int check_slave_present(struct hda_codec *codec, 1831 void *data, struct snd_kcontrol *sctl) 1832 { 1833 return 1; 1834 } 1835 1836 /* call kctl->put with the given value(s) */ 1837 static int put_kctl_with_value(struct snd_kcontrol *kctl, int val) 1838 { 1839 struct snd_ctl_elem_value *ucontrol; 1840 ucontrol = kzalloc(sizeof(*ucontrol), GFP_KERNEL); 1841 if (!ucontrol) 1842 return -ENOMEM; 1843 ucontrol->value.integer.value[0] = val; 1844 ucontrol->value.integer.value[1] = val; 1845 kctl->put(kctl, ucontrol); 1846 kfree(ucontrol); 1847 return 0; 1848 } 1849 1850 struct slave_init_arg { 1851 struct hda_codec *codec; 1852 int step; 1853 }; 1854 1855 /* initialize the slave volume with 0dB via snd_ctl_apply_vmaster_slaves() */ 1856 static int init_slave_0dB(struct snd_kcontrol *slave, 1857 struct snd_kcontrol *kctl, 1858 void *_arg) 1859 { 1860 struct slave_init_arg *arg = _arg; 1861 int _tlv[4]; 1862 const int *tlv = NULL; 1863 int step; 1864 int val; 1865 1866 if (kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) { 1867 if (kctl->tlv.c != snd_hda_mixer_amp_tlv) { 1868 codec_err(arg->codec, 1869 "Unexpected TLV callback for slave %s:%d\n", 1870 kctl->id.name, kctl->id.index); 1871 return 0; /* ignore */ 1872 } 1873 get_ctl_amp_tlv(kctl, _tlv); 1874 tlv = _tlv; 1875 } else if (kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_READ) 1876 tlv = kctl->tlv.p; 1877 1878 if (!tlv || tlv[SNDRV_CTL_TLVO_TYPE] != SNDRV_CTL_TLVT_DB_SCALE) 1879 return 0; 1880 1881 step = tlv[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP]; 1882 step &= ~TLV_DB_SCALE_MUTE; 1883 if (!step) 1884 return 0; 1885 if (arg->step && arg->step != step) { 1886 codec_err(arg->codec, 1887 "Mismatching dB step for vmaster slave (%d!=%d)\n", 1888 arg->step, step); 1889 return 0; 1890 } 1891 1892 arg->step = step; 1893 val = -tlv[SNDRV_CTL_TLVO_DB_SCALE_MIN] / step; 1894 if (val > 0) { 1895 put_kctl_with_value(slave, val); 1896 return val; 1897 } 1898 1899 return 0; 1900 } 1901 1902 /* unmute the slave via snd_ctl_apply_vmaster_slaves() */ 1903 static int init_slave_unmute(struct snd_kcontrol *slave, 1904 struct snd_kcontrol *kctl, 1905 void *_arg) 1906 { 1907 return put_kctl_with_value(slave, 1); 1908 } 1909 1910 static int add_slave(struct hda_codec *codec, 1911 void *data, struct snd_kcontrol *slave) 1912 { 1913 return snd_ctl_add_slave(data, slave); 1914 } 1915 1916 /** 1917 * __snd_hda_add_vmaster - create a virtual master control and add slaves 1918 * @codec: HD-audio codec 1919 * @name: vmaster control name 1920 * @tlv: TLV data (optional) 1921 * @slaves: slave control names (optional) 1922 * @suffix: suffix string to each slave name (optional) 1923 * @init_slave_vol: initialize slaves to unmute/0dB 1924 * @ctl_ret: store the vmaster kcontrol in return 1925 * 1926 * Create a virtual master control with the given name. The TLV data 1927 * must be either NULL or a valid data. 1928 * 1929 * @slaves is a NULL-terminated array of strings, each of which is a 1930 * slave control name. All controls with these names are assigned to 1931 * the new virtual master control. 1932 * 1933 * This function returns zero if successful or a negative error code. 1934 */ 1935 int __snd_hda_add_vmaster(struct hda_codec *codec, char *name, 1936 unsigned int *tlv, const char * const *slaves, 1937 const char *suffix, bool init_slave_vol, 1938 struct snd_kcontrol **ctl_ret) 1939 { 1940 struct snd_kcontrol *kctl; 1941 int err; 1942 1943 if (ctl_ret) 1944 *ctl_ret = NULL; 1945 1946 err = map_slaves(codec, slaves, suffix, check_slave_present, NULL); 1947 if (err != 1) { 1948 codec_dbg(codec, "No slave found for %s\n", name); 1949 return 0; 1950 } 1951 kctl = snd_ctl_make_virtual_master(name, tlv); 1952 if (!kctl) 1953 return -ENOMEM; 1954 err = snd_hda_ctl_add(codec, 0, kctl); 1955 if (err < 0) 1956 return err; 1957 1958 err = map_slaves(codec, slaves, suffix, add_slave, kctl); 1959 if (err < 0) 1960 return err; 1961 1962 /* init with master mute & zero volume */ 1963 put_kctl_with_value(kctl, 0); 1964 if (init_slave_vol) { 1965 struct slave_init_arg arg = { 1966 .codec = codec, 1967 .step = 0, 1968 }; 1969 snd_ctl_apply_vmaster_slaves(kctl, 1970 tlv ? init_slave_0dB : init_slave_unmute, 1971 &arg); 1972 } 1973 1974 if (ctl_ret) 1975 *ctl_ret = kctl; 1976 return 0; 1977 } 1978 EXPORT_SYMBOL_GPL(__snd_hda_add_vmaster); 1979 1980 /* 1981 * mute-LED control using vmaster 1982 */ 1983 static int vmaster_mute_mode_info(struct snd_kcontrol *kcontrol, 1984 struct snd_ctl_elem_info *uinfo) 1985 { 1986 static const char * const texts[] = { 1987 "On", "Off", "Follow Master" 1988 }; 1989 1990 return snd_ctl_enum_info(uinfo, 1, 3, texts); 1991 } 1992 1993 static int vmaster_mute_mode_get(struct snd_kcontrol *kcontrol, 1994 struct snd_ctl_elem_value *ucontrol) 1995 { 1996 struct hda_vmaster_mute_hook *hook = snd_kcontrol_chip(kcontrol); 1997 ucontrol->value.enumerated.item[0] = hook->mute_mode; 1998 return 0; 1999 } 2000 2001 static int vmaster_mute_mode_put(struct snd_kcontrol *kcontrol, 2002 struct snd_ctl_elem_value *ucontrol) 2003 { 2004 struct hda_vmaster_mute_hook *hook = snd_kcontrol_chip(kcontrol); 2005 unsigned int old_mode = hook->mute_mode; 2006 2007 hook->mute_mode = ucontrol->value.enumerated.item[0]; 2008 if (hook->mute_mode > HDA_VMUTE_FOLLOW_MASTER) 2009 hook->mute_mode = HDA_VMUTE_FOLLOW_MASTER; 2010 if (old_mode == hook->mute_mode) 2011 return 0; 2012 snd_hda_sync_vmaster_hook(hook); 2013 return 1; 2014 } 2015 2016 static const struct snd_kcontrol_new vmaster_mute_mode = { 2017 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 2018 .name = "Mute-LED Mode", 2019 .info = vmaster_mute_mode_info, 2020 .get = vmaster_mute_mode_get, 2021 .put = vmaster_mute_mode_put, 2022 }; 2023 2024 /* meta hook to call each driver's vmaster hook */ 2025 static void vmaster_hook(void *private_data, int enabled) 2026 { 2027 struct hda_vmaster_mute_hook *hook = private_data; 2028 2029 if (hook->mute_mode != HDA_VMUTE_FOLLOW_MASTER) 2030 enabled = hook->mute_mode; 2031 hook->hook(hook->codec, enabled); 2032 } 2033 2034 /** 2035 * snd_hda_add_vmaster_hook - Add a vmaster hook for mute-LED 2036 * @codec: the HDA codec 2037 * @hook: the vmaster hook object 2038 * @expose_enum_ctl: flag to create an enum ctl 2039 * 2040 * Add a mute-LED hook with the given vmaster switch kctl. 2041 * When @expose_enum_ctl is set, "Mute-LED Mode" control is automatically 2042 * created and associated with the given hook. 2043 */ 2044 int snd_hda_add_vmaster_hook(struct hda_codec *codec, 2045 struct hda_vmaster_mute_hook *hook, 2046 bool expose_enum_ctl) 2047 { 2048 struct snd_kcontrol *kctl; 2049 2050 if (!hook->hook || !hook->sw_kctl) 2051 return 0; 2052 hook->codec = codec; 2053 hook->mute_mode = HDA_VMUTE_FOLLOW_MASTER; 2054 snd_ctl_add_vmaster_hook(hook->sw_kctl, vmaster_hook, hook); 2055 if (!expose_enum_ctl) 2056 return 0; 2057 kctl = snd_ctl_new1(&vmaster_mute_mode, hook); 2058 if (!kctl) 2059 return -ENOMEM; 2060 return snd_hda_ctl_add(codec, 0, kctl); 2061 } 2062 EXPORT_SYMBOL_GPL(snd_hda_add_vmaster_hook); 2063 2064 /** 2065 * snd_hda_sync_vmaster_hook - Sync vmaster hook 2066 * @hook: the vmaster hook 2067 * 2068 * Call the hook with the current value for synchronization. 2069 * Should be called in init callback. 2070 */ 2071 void snd_hda_sync_vmaster_hook(struct hda_vmaster_mute_hook *hook) 2072 { 2073 if (!hook->hook || !hook->codec) 2074 return; 2075 /* don't call vmaster hook in the destructor since it might have 2076 * been already destroyed 2077 */ 2078 if (hook->codec->bus->shutdown) 2079 return; 2080 snd_ctl_sync_vmaster_hook(hook->sw_kctl); 2081 } 2082 EXPORT_SYMBOL_GPL(snd_hda_sync_vmaster_hook); 2083 2084 2085 /** 2086 * snd_hda_mixer_amp_switch_info - Info callback for a standard AMP mixer switch 2087 * @kcontrol: referred ctl element 2088 * @uinfo: pointer to get/store the data 2089 * 2090 * The control element is supposed to have the private_value field 2091 * set up via HDA_COMPOSE_AMP_VAL*() or related macros. 2092 */ 2093 int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol, 2094 struct snd_ctl_elem_info *uinfo) 2095 { 2096 int chs = get_amp_channels(kcontrol); 2097 2098 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 2099 uinfo->count = chs == 3 ? 2 : 1; 2100 uinfo->value.integer.min = 0; 2101 uinfo->value.integer.max = 1; 2102 return 0; 2103 } 2104 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_info); 2105 2106 /** 2107 * snd_hda_mixer_amp_switch_get - Get callback for a standard AMP mixer switch 2108 * @kcontrol: ctl element 2109 * @ucontrol: pointer to get/store the data 2110 * 2111 * The control element is supposed to have the private_value field 2112 * set up via HDA_COMPOSE_AMP_VAL*() or related macros. 2113 */ 2114 int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol, 2115 struct snd_ctl_elem_value *ucontrol) 2116 { 2117 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 2118 hda_nid_t nid = get_amp_nid(kcontrol); 2119 int chs = get_amp_channels(kcontrol); 2120 int dir = get_amp_direction(kcontrol); 2121 int idx = get_amp_index(kcontrol); 2122 long *valp = ucontrol->value.integer.value; 2123 2124 if (chs & 1) 2125 *valp++ = (snd_hda_codec_amp_read(codec, nid, 0, dir, idx) & 2126 HDA_AMP_MUTE) ? 0 : 1; 2127 if (chs & 2) 2128 *valp = (snd_hda_codec_amp_read(codec, nid, 1, dir, idx) & 2129 HDA_AMP_MUTE) ? 0 : 1; 2130 return 0; 2131 } 2132 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_get); 2133 2134 /** 2135 * snd_hda_mixer_amp_switch_put - Put callback for a standard AMP mixer switch 2136 * @kcontrol: ctl element 2137 * @ucontrol: pointer to get/store the data 2138 * 2139 * The control element is supposed to have the private_value field 2140 * set up via HDA_COMPOSE_AMP_VAL*() or related macros. 2141 */ 2142 int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol, 2143 struct snd_ctl_elem_value *ucontrol) 2144 { 2145 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 2146 hda_nid_t nid = get_amp_nid(kcontrol); 2147 int chs = get_amp_channels(kcontrol); 2148 int dir = get_amp_direction(kcontrol); 2149 int idx = get_amp_index(kcontrol); 2150 long *valp = ucontrol->value.integer.value; 2151 int change = 0; 2152 2153 if (chs & 1) { 2154 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx, 2155 HDA_AMP_MUTE, 2156 *valp ? 0 : HDA_AMP_MUTE); 2157 valp++; 2158 } 2159 if (chs & 2) 2160 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx, 2161 HDA_AMP_MUTE, 2162 *valp ? 0 : HDA_AMP_MUTE); 2163 hda_call_check_power_status(codec, nid); 2164 return change; 2165 } 2166 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_put); 2167 2168 /* 2169 * SPDIF out controls 2170 */ 2171 2172 static int snd_hda_spdif_mask_info(struct snd_kcontrol *kcontrol, 2173 struct snd_ctl_elem_info *uinfo) 2174 { 2175 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; 2176 uinfo->count = 1; 2177 return 0; 2178 } 2179 2180 static int snd_hda_spdif_cmask_get(struct snd_kcontrol *kcontrol, 2181 struct snd_ctl_elem_value *ucontrol) 2182 { 2183 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | 2184 IEC958_AES0_NONAUDIO | 2185 IEC958_AES0_CON_EMPHASIS_5015 | 2186 IEC958_AES0_CON_NOT_COPYRIGHT; 2187 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY | 2188 IEC958_AES1_CON_ORIGINAL; 2189 return 0; 2190 } 2191 2192 static int snd_hda_spdif_pmask_get(struct snd_kcontrol *kcontrol, 2193 struct snd_ctl_elem_value *ucontrol) 2194 { 2195 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | 2196 IEC958_AES0_NONAUDIO | 2197 IEC958_AES0_PRO_EMPHASIS_5015; 2198 return 0; 2199 } 2200 2201 static int snd_hda_spdif_default_get(struct snd_kcontrol *kcontrol, 2202 struct snd_ctl_elem_value *ucontrol) 2203 { 2204 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 2205 int idx = kcontrol->private_value; 2206 struct hda_spdif_out *spdif; 2207 2208 if (WARN_ON(codec->spdif_out.used <= idx)) 2209 return -EINVAL; 2210 mutex_lock(&codec->spdif_mutex); 2211 spdif = snd_array_elem(&codec->spdif_out, idx); 2212 ucontrol->value.iec958.status[0] = spdif->status & 0xff; 2213 ucontrol->value.iec958.status[1] = (spdif->status >> 8) & 0xff; 2214 ucontrol->value.iec958.status[2] = (spdif->status >> 16) & 0xff; 2215 ucontrol->value.iec958.status[3] = (spdif->status >> 24) & 0xff; 2216 mutex_unlock(&codec->spdif_mutex); 2217 2218 return 0; 2219 } 2220 2221 /* convert from SPDIF status bits to HDA SPDIF bits 2222 * bit 0 (DigEn) is always set zero (to be filled later) 2223 */ 2224 static unsigned short convert_from_spdif_status(unsigned int sbits) 2225 { 2226 unsigned short val = 0; 2227 2228 if (sbits & IEC958_AES0_PROFESSIONAL) 2229 val |= AC_DIG1_PROFESSIONAL; 2230 if (sbits & IEC958_AES0_NONAUDIO) 2231 val |= AC_DIG1_NONAUDIO; 2232 if (sbits & IEC958_AES0_PROFESSIONAL) { 2233 if ((sbits & IEC958_AES0_PRO_EMPHASIS) == 2234 IEC958_AES0_PRO_EMPHASIS_5015) 2235 val |= AC_DIG1_EMPHASIS; 2236 } else { 2237 if ((sbits & IEC958_AES0_CON_EMPHASIS) == 2238 IEC958_AES0_CON_EMPHASIS_5015) 2239 val |= AC_DIG1_EMPHASIS; 2240 if (!(sbits & IEC958_AES0_CON_NOT_COPYRIGHT)) 2241 val |= AC_DIG1_COPYRIGHT; 2242 if (sbits & (IEC958_AES1_CON_ORIGINAL << 8)) 2243 val |= AC_DIG1_LEVEL; 2244 val |= sbits & (IEC958_AES1_CON_CATEGORY << 8); 2245 } 2246 return val; 2247 } 2248 2249 /* convert to SPDIF status bits from HDA SPDIF bits 2250 */ 2251 static unsigned int convert_to_spdif_status(unsigned short val) 2252 { 2253 unsigned int sbits = 0; 2254 2255 if (val & AC_DIG1_NONAUDIO) 2256 sbits |= IEC958_AES0_NONAUDIO; 2257 if (val & AC_DIG1_PROFESSIONAL) 2258 sbits |= IEC958_AES0_PROFESSIONAL; 2259 if (sbits & IEC958_AES0_PROFESSIONAL) { 2260 if (val & AC_DIG1_EMPHASIS) 2261 sbits |= IEC958_AES0_PRO_EMPHASIS_5015; 2262 } else { 2263 if (val & AC_DIG1_EMPHASIS) 2264 sbits |= IEC958_AES0_CON_EMPHASIS_5015; 2265 if (!(val & AC_DIG1_COPYRIGHT)) 2266 sbits |= IEC958_AES0_CON_NOT_COPYRIGHT; 2267 if (val & AC_DIG1_LEVEL) 2268 sbits |= (IEC958_AES1_CON_ORIGINAL << 8); 2269 sbits |= val & (0x7f << 8); 2270 } 2271 return sbits; 2272 } 2273 2274 /* set digital convert verbs both for the given NID and its slaves */ 2275 static void set_dig_out(struct hda_codec *codec, hda_nid_t nid, 2276 int mask, int val) 2277 { 2278 const hda_nid_t *d; 2279 2280 snd_hdac_regmap_update(&codec->core, nid, AC_VERB_SET_DIGI_CONVERT_1, 2281 mask, val); 2282 d = codec->slave_dig_outs; 2283 if (!d) 2284 return; 2285 for (; *d; d++) 2286 snd_hdac_regmap_update(&codec->core, *d, 2287 AC_VERB_SET_DIGI_CONVERT_1, mask, val); 2288 } 2289 2290 static inline void set_dig_out_convert(struct hda_codec *codec, hda_nid_t nid, 2291 int dig1, int dig2) 2292 { 2293 unsigned int mask = 0; 2294 unsigned int val = 0; 2295 2296 if (dig1 != -1) { 2297 mask |= 0xff; 2298 val = dig1; 2299 } 2300 if (dig2 != -1) { 2301 mask |= 0xff00; 2302 val |= dig2 << 8; 2303 } 2304 set_dig_out(codec, nid, mask, val); 2305 } 2306 2307 static int snd_hda_spdif_default_put(struct snd_kcontrol *kcontrol, 2308 struct snd_ctl_elem_value *ucontrol) 2309 { 2310 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 2311 int idx = kcontrol->private_value; 2312 struct hda_spdif_out *spdif; 2313 hda_nid_t nid; 2314 unsigned short val; 2315 int change; 2316 2317 if (WARN_ON(codec->spdif_out.used <= idx)) 2318 return -EINVAL; 2319 mutex_lock(&codec->spdif_mutex); 2320 spdif = snd_array_elem(&codec->spdif_out, idx); 2321 nid = spdif->nid; 2322 spdif->status = ucontrol->value.iec958.status[0] | 2323 ((unsigned int)ucontrol->value.iec958.status[1] << 8) | 2324 ((unsigned int)ucontrol->value.iec958.status[2] << 16) | 2325 ((unsigned int)ucontrol->value.iec958.status[3] << 24); 2326 val = convert_from_spdif_status(spdif->status); 2327 val |= spdif->ctls & 1; 2328 change = spdif->ctls != val; 2329 spdif->ctls = val; 2330 if (change && nid != (u16)-1) 2331 set_dig_out_convert(codec, nid, val & 0xff, (val >> 8) & 0xff); 2332 mutex_unlock(&codec->spdif_mutex); 2333 return change; 2334 } 2335 2336 #define snd_hda_spdif_out_switch_info snd_ctl_boolean_mono_info 2337 2338 static int snd_hda_spdif_out_switch_get(struct snd_kcontrol *kcontrol, 2339 struct snd_ctl_elem_value *ucontrol) 2340 { 2341 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 2342 int idx = kcontrol->private_value; 2343 struct hda_spdif_out *spdif; 2344 2345 if (WARN_ON(codec->spdif_out.used <= idx)) 2346 return -EINVAL; 2347 mutex_lock(&codec->spdif_mutex); 2348 spdif = snd_array_elem(&codec->spdif_out, idx); 2349 ucontrol->value.integer.value[0] = spdif->ctls & AC_DIG1_ENABLE; 2350 mutex_unlock(&codec->spdif_mutex); 2351 return 0; 2352 } 2353 2354 static inline void set_spdif_ctls(struct hda_codec *codec, hda_nid_t nid, 2355 int dig1, int dig2) 2356 { 2357 set_dig_out_convert(codec, nid, dig1, dig2); 2358 /* unmute amp switch (if any) */ 2359 if ((get_wcaps(codec, nid) & AC_WCAP_OUT_AMP) && 2360 (dig1 & AC_DIG1_ENABLE)) 2361 snd_hda_codec_amp_stereo(codec, nid, HDA_OUTPUT, 0, 2362 HDA_AMP_MUTE, 0); 2363 } 2364 2365 static int snd_hda_spdif_out_switch_put(struct snd_kcontrol *kcontrol, 2366 struct snd_ctl_elem_value *ucontrol) 2367 { 2368 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 2369 int idx = kcontrol->private_value; 2370 struct hda_spdif_out *spdif; 2371 hda_nid_t nid; 2372 unsigned short val; 2373 int change; 2374 2375 if (WARN_ON(codec->spdif_out.used <= idx)) 2376 return -EINVAL; 2377 mutex_lock(&codec->spdif_mutex); 2378 spdif = snd_array_elem(&codec->spdif_out, idx); 2379 nid = spdif->nid; 2380 val = spdif->ctls & ~AC_DIG1_ENABLE; 2381 if (ucontrol->value.integer.value[0]) 2382 val |= AC_DIG1_ENABLE; 2383 change = spdif->ctls != val; 2384 spdif->ctls = val; 2385 if (change && nid != (u16)-1) 2386 set_spdif_ctls(codec, nid, val & 0xff, -1); 2387 mutex_unlock(&codec->spdif_mutex); 2388 return change; 2389 } 2390 2391 static struct snd_kcontrol_new dig_mixes[] = { 2392 { 2393 .access = SNDRV_CTL_ELEM_ACCESS_READ, 2394 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 2395 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK), 2396 .info = snd_hda_spdif_mask_info, 2397 .get = snd_hda_spdif_cmask_get, 2398 }, 2399 { 2400 .access = SNDRV_CTL_ELEM_ACCESS_READ, 2401 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 2402 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PRO_MASK), 2403 .info = snd_hda_spdif_mask_info, 2404 .get = snd_hda_spdif_pmask_get, 2405 }, 2406 { 2407 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 2408 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT), 2409 .info = snd_hda_spdif_mask_info, 2410 .get = snd_hda_spdif_default_get, 2411 .put = snd_hda_spdif_default_put, 2412 }, 2413 { 2414 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 2415 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH), 2416 .info = snd_hda_spdif_out_switch_info, 2417 .get = snd_hda_spdif_out_switch_get, 2418 .put = snd_hda_spdif_out_switch_put, 2419 }, 2420 { } /* end */ 2421 }; 2422 2423 /** 2424 * snd_hda_create_dig_out_ctls - create Output SPDIF-related controls 2425 * @codec: the HDA codec 2426 * @associated_nid: NID that new ctls associated with 2427 * @cvt_nid: converter NID 2428 * @type: HDA_PCM_TYPE_* 2429 * Creates controls related with the digital output. 2430 * Called from each patch supporting the digital out. 2431 * 2432 * Returns 0 if successful, or a negative error code. 2433 */ 2434 int snd_hda_create_dig_out_ctls(struct hda_codec *codec, 2435 hda_nid_t associated_nid, 2436 hda_nid_t cvt_nid, 2437 int type) 2438 { 2439 int err; 2440 struct snd_kcontrol *kctl; 2441 struct snd_kcontrol_new *dig_mix; 2442 int idx = 0; 2443 int val = 0; 2444 const int spdif_index = 16; 2445 struct hda_spdif_out *spdif; 2446 struct hda_bus *bus = codec->bus; 2447 2448 if (bus->primary_dig_out_type == HDA_PCM_TYPE_HDMI && 2449 type == HDA_PCM_TYPE_SPDIF) { 2450 idx = spdif_index; 2451 } else if (bus->primary_dig_out_type == HDA_PCM_TYPE_SPDIF && 2452 type == HDA_PCM_TYPE_HDMI) { 2453 /* suppose a single SPDIF device */ 2454 for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) { 2455 kctl = find_mixer_ctl(codec, dig_mix->name, 0, 0); 2456 if (!kctl) 2457 break; 2458 kctl->id.index = spdif_index; 2459 } 2460 bus->primary_dig_out_type = HDA_PCM_TYPE_HDMI; 2461 } 2462 if (!bus->primary_dig_out_type) 2463 bus->primary_dig_out_type = type; 2464 2465 idx = find_empty_mixer_ctl_idx(codec, "IEC958 Playback Switch", idx); 2466 if (idx < 0) { 2467 codec_err(codec, "too many IEC958 outputs\n"); 2468 return -EBUSY; 2469 } 2470 spdif = snd_array_new(&codec->spdif_out); 2471 if (!spdif) 2472 return -ENOMEM; 2473 for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) { 2474 kctl = snd_ctl_new1(dig_mix, codec); 2475 if (!kctl) 2476 return -ENOMEM; 2477 kctl->id.index = idx; 2478 kctl->private_value = codec->spdif_out.used - 1; 2479 err = snd_hda_ctl_add(codec, associated_nid, kctl); 2480 if (err < 0) 2481 return err; 2482 } 2483 spdif->nid = cvt_nid; 2484 snd_hdac_regmap_read(&codec->core, cvt_nid, 2485 AC_VERB_GET_DIGI_CONVERT_1, &val); 2486 spdif->ctls = val; 2487 spdif->status = convert_to_spdif_status(spdif->ctls); 2488 return 0; 2489 } 2490 EXPORT_SYMBOL_GPL(snd_hda_create_dig_out_ctls); 2491 2492 /** 2493 * snd_hda_spdif_out_of_nid - get the hda_spdif_out entry from the given NID 2494 * @codec: the HDA codec 2495 * @nid: widget NID 2496 * 2497 * call within spdif_mutex lock 2498 */ 2499 struct hda_spdif_out *snd_hda_spdif_out_of_nid(struct hda_codec *codec, 2500 hda_nid_t nid) 2501 { 2502 struct hda_spdif_out *spdif; 2503 int i; 2504 2505 snd_array_for_each(&codec->spdif_out, i, spdif) { 2506 if (spdif->nid == nid) 2507 return spdif; 2508 } 2509 return NULL; 2510 } 2511 EXPORT_SYMBOL_GPL(snd_hda_spdif_out_of_nid); 2512 2513 /** 2514 * snd_hda_spdif_ctls_unassign - Unassign the given SPDIF ctl 2515 * @codec: the HDA codec 2516 * @idx: the SPDIF ctl index 2517 * 2518 * Unassign the widget from the given SPDIF control. 2519 */ 2520 void snd_hda_spdif_ctls_unassign(struct hda_codec *codec, int idx) 2521 { 2522 struct hda_spdif_out *spdif; 2523 2524 if (WARN_ON(codec->spdif_out.used <= idx)) 2525 return; 2526 mutex_lock(&codec->spdif_mutex); 2527 spdif = snd_array_elem(&codec->spdif_out, idx); 2528 spdif->nid = (u16)-1; 2529 mutex_unlock(&codec->spdif_mutex); 2530 } 2531 EXPORT_SYMBOL_GPL(snd_hda_spdif_ctls_unassign); 2532 2533 /** 2534 * snd_hda_spdif_ctls_assign - Assign the SPDIF controls to the given NID 2535 * @codec: the HDA codec 2536 * @idx: the SPDIF ctl idx 2537 * @nid: widget NID 2538 * 2539 * Assign the widget to the SPDIF control with the given index. 2540 */ 2541 void snd_hda_spdif_ctls_assign(struct hda_codec *codec, int idx, hda_nid_t nid) 2542 { 2543 struct hda_spdif_out *spdif; 2544 unsigned short val; 2545 2546 if (WARN_ON(codec->spdif_out.used <= idx)) 2547 return; 2548 mutex_lock(&codec->spdif_mutex); 2549 spdif = snd_array_elem(&codec->spdif_out, idx); 2550 if (spdif->nid != nid) { 2551 spdif->nid = nid; 2552 val = spdif->ctls; 2553 set_spdif_ctls(codec, nid, val & 0xff, (val >> 8) & 0xff); 2554 } 2555 mutex_unlock(&codec->spdif_mutex); 2556 } 2557 EXPORT_SYMBOL_GPL(snd_hda_spdif_ctls_assign); 2558 2559 /* 2560 * SPDIF sharing with analog output 2561 */ 2562 static int spdif_share_sw_get(struct snd_kcontrol *kcontrol, 2563 struct snd_ctl_elem_value *ucontrol) 2564 { 2565 struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol); 2566 ucontrol->value.integer.value[0] = mout->share_spdif; 2567 return 0; 2568 } 2569 2570 static int spdif_share_sw_put(struct snd_kcontrol *kcontrol, 2571 struct snd_ctl_elem_value *ucontrol) 2572 { 2573 struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol); 2574 mout->share_spdif = !!ucontrol->value.integer.value[0]; 2575 return 0; 2576 } 2577 2578 static const struct snd_kcontrol_new spdif_share_sw = { 2579 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 2580 .name = "IEC958 Default PCM Playback Switch", 2581 .info = snd_ctl_boolean_mono_info, 2582 .get = spdif_share_sw_get, 2583 .put = spdif_share_sw_put, 2584 }; 2585 2586 /** 2587 * snd_hda_create_spdif_share_sw - create Default PCM switch 2588 * @codec: the HDA codec 2589 * @mout: multi-out instance 2590 */ 2591 int snd_hda_create_spdif_share_sw(struct hda_codec *codec, 2592 struct hda_multi_out *mout) 2593 { 2594 struct snd_kcontrol *kctl; 2595 2596 if (!mout->dig_out_nid) 2597 return 0; 2598 2599 kctl = snd_ctl_new1(&spdif_share_sw, mout); 2600 if (!kctl) 2601 return -ENOMEM; 2602 /* ATTENTION: here mout is passed as private_data, instead of codec */ 2603 return snd_hda_ctl_add(codec, mout->dig_out_nid, kctl); 2604 } 2605 EXPORT_SYMBOL_GPL(snd_hda_create_spdif_share_sw); 2606 2607 /* 2608 * SPDIF input 2609 */ 2610 2611 #define snd_hda_spdif_in_switch_info snd_hda_spdif_out_switch_info 2612 2613 static int snd_hda_spdif_in_switch_get(struct snd_kcontrol *kcontrol, 2614 struct snd_ctl_elem_value *ucontrol) 2615 { 2616 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 2617 2618 ucontrol->value.integer.value[0] = codec->spdif_in_enable; 2619 return 0; 2620 } 2621 2622 static int snd_hda_spdif_in_switch_put(struct snd_kcontrol *kcontrol, 2623 struct snd_ctl_elem_value *ucontrol) 2624 { 2625 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 2626 hda_nid_t nid = kcontrol->private_value; 2627 unsigned int val = !!ucontrol->value.integer.value[0]; 2628 int change; 2629 2630 mutex_lock(&codec->spdif_mutex); 2631 change = codec->spdif_in_enable != val; 2632 if (change) { 2633 codec->spdif_in_enable = val; 2634 snd_hdac_regmap_write(&codec->core, nid, 2635 AC_VERB_SET_DIGI_CONVERT_1, val); 2636 } 2637 mutex_unlock(&codec->spdif_mutex); 2638 return change; 2639 } 2640 2641 static int snd_hda_spdif_in_status_get(struct snd_kcontrol *kcontrol, 2642 struct snd_ctl_elem_value *ucontrol) 2643 { 2644 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 2645 hda_nid_t nid = kcontrol->private_value; 2646 unsigned int val; 2647 unsigned int sbits; 2648 2649 snd_hdac_regmap_read(&codec->core, nid, 2650 AC_VERB_GET_DIGI_CONVERT_1, &val); 2651 sbits = convert_to_spdif_status(val); 2652 ucontrol->value.iec958.status[0] = sbits; 2653 ucontrol->value.iec958.status[1] = sbits >> 8; 2654 ucontrol->value.iec958.status[2] = sbits >> 16; 2655 ucontrol->value.iec958.status[3] = sbits >> 24; 2656 return 0; 2657 } 2658 2659 static struct snd_kcontrol_new dig_in_ctls[] = { 2660 { 2661 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 2662 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, SWITCH), 2663 .info = snd_hda_spdif_in_switch_info, 2664 .get = snd_hda_spdif_in_switch_get, 2665 .put = snd_hda_spdif_in_switch_put, 2666 }, 2667 { 2668 .access = SNDRV_CTL_ELEM_ACCESS_READ, 2669 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 2670 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT), 2671 .info = snd_hda_spdif_mask_info, 2672 .get = snd_hda_spdif_in_status_get, 2673 }, 2674 { } /* end */ 2675 }; 2676 2677 /** 2678 * snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls 2679 * @codec: the HDA codec 2680 * @nid: audio in widget NID 2681 * 2682 * Creates controls related with the SPDIF input. 2683 * Called from each patch supporting the SPDIF in. 2684 * 2685 * Returns 0 if successful, or a negative error code. 2686 */ 2687 int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid) 2688 { 2689 int err; 2690 struct snd_kcontrol *kctl; 2691 struct snd_kcontrol_new *dig_mix; 2692 int idx; 2693 2694 idx = find_empty_mixer_ctl_idx(codec, "IEC958 Capture Switch", 0); 2695 if (idx < 0) { 2696 codec_err(codec, "too many IEC958 inputs\n"); 2697 return -EBUSY; 2698 } 2699 for (dig_mix = dig_in_ctls; dig_mix->name; dig_mix++) { 2700 kctl = snd_ctl_new1(dig_mix, codec); 2701 if (!kctl) 2702 return -ENOMEM; 2703 kctl->private_value = nid; 2704 err = snd_hda_ctl_add(codec, nid, kctl); 2705 if (err < 0) 2706 return err; 2707 } 2708 codec->spdif_in_enable = 2709 snd_hda_codec_read(codec, nid, 0, 2710 AC_VERB_GET_DIGI_CONVERT_1, 0) & 2711 AC_DIG1_ENABLE; 2712 return 0; 2713 } 2714 EXPORT_SYMBOL_GPL(snd_hda_create_spdif_in_ctls); 2715 2716 /** 2717 * snd_hda_codec_set_power_to_all - Set the power state to all widgets 2718 * @codec: the HDA codec 2719 * @fg: function group (not used now) 2720 * @power_state: the power state to set (AC_PWRST_*) 2721 * 2722 * Set the given power state to all widgets that have the power control. 2723 * If the codec has power_filter set, it evaluates the power state and 2724 * filter out if it's unchanged as D3. 2725 */ 2726 void snd_hda_codec_set_power_to_all(struct hda_codec *codec, hda_nid_t fg, 2727 unsigned int power_state) 2728 { 2729 hda_nid_t nid; 2730 2731 for_each_hda_codec_node(nid, codec) { 2732 unsigned int wcaps = get_wcaps(codec, nid); 2733 unsigned int state = power_state; 2734 if (!(wcaps & AC_WCAP_POWER)) 2735 continue; 2736 if (codec->power_filter) { 2737 state = codec->power_filter(codec, nid, power_state); 2738 if (state != power_state && power_state == AC_PWRST_D3) 2739 continue; 2740 } 2741 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE, 2742 state); 2743 } 2744 } 2745 EXPORT_SYMBOL_GPL(snd_hda_codec_set_power_to_all); 2746 2747 /** 2748 * snd_hda_codec_eapd_power_filter - A power filter callback for EAPD 2749 * @codec: the HDA codec 2750 * @nid: widget NID 2751 * @power_state: power state to evalue 2752 * 2753 * Don't power down the widget if it controls eapd and EAPD_BTLENABLE is set. 2754 * This can be used a codec power_filter callback. 2755 */ 2756 unsigned int snd_hda_codec_eapd_power_filter(struct hda_codec *codec, 2757 hda_nid_t nid, 2758 unsigned int power_state) 2759 { 2760 if (nid == codec->core.afg || nid == codec->core.mfg) 2761 return power_state; 2762 if (power_state == AC_PWRST_D3 && 2763 get_wcaps_type(get_wcaps(codec, nid)) == AC_WID_PIN && 2764 (snd_hda_query_pin_caps(codec, nid) & AC_PINCAP_EAPD)) { 2765 int eapd = snd_hda_codec_read(codec, nid, 0, 2766 AC_VERB_GET_EAPD_BTLENABLE, 0); 2767 if (eapd & 0x02) 2768 return AC_PWRST_D0; 2769 } 2770 return power_state; 2771 } 2772 EXPORT_SYMBOL_GPL(snd_hda_codec_eapd_power_filter); 2773 2774 /* 2775 * set power state of the codec, and return the power state 2776 */ 2777 static unsigned int hda_set_power_state(struct hda_codec *codec, 2778 unsigned int power_state) 2779 { 2780 hda_nid_t fg = codec->core.afg ? codec->core.afg : codec->core.mfg; 2781 int count; 2782 unsigned int state; 2783 int flags = 0; 2784 2785 /* this delay seems necessary to avoid click noise at power-down */ 2786 if (power_state == AC_PWRST_D3) { 2787 if (codec->depop_delay < 0) 2788 msleep(codec_has_epss(codec) ? 10 : 100); 2789 else if (codec->depop_delay > 0) 2790 msleep(codec->depop_delay); 2791 flags = HDA_RW_NO_RESPONSE_FALLBACK; 2792 } 2793 2794 /* repeat power states setting at most 10 times*/ 2795 for (count = 0; count < 10; count++) { 2796 if (codec->patch_ops.set_power_state) 2797 codec->patch_ops.set_power_state(codec, fg, 2798 power_state); 2799 else { 2800 state = power_state; 2801 if (codec->power_filter) 2802 state = codec->power_filter(codec, fg, state); 2803 if (state == power_state || power_state != AC_PWRST_D3) 2804 snd_hda_codec_read(codec, fg, flags, 2805 AC_VERB_SET_POWER_STATE, 2806 state); 2807 snd_hda_codec_set_power_to_all(codec, fg, power_state); 2808 } 2809 state = snd_hda_sync_power_state(codec, fg, power_state); 2810 if (!(state & AC_PWRST_ERROR)) 2811 break; 2812 } 2813 2814 return state; 2815 } 2816 2817 /* sync power states of all widgets; 2818 * this is called at the end of codec parsing 2819 */ 2820 static void sync_power_up_states(struct hda_codec *codec) 2821 { 2822 hda_nid_t nid; 2823 2824 /* don't care if no filter is used */ 2825 if (!codec->power_filter) 2826 return; 2827 2828 for_each_hda_codec_node(nid, codec) { 2829 unsigned int wcaps = get_wcaps(codec, nid); 2830 unsigned int target; 2831 if (!(wcaps & AC_WCAP_POWER)) 2832 continue; 2833 target = codec->power_filter(codec, nid, AC_PWRST_D0); 2834 if (target == AC_PWRST_D0) 2835 continue; 2836 if (!snd_hda_check_power_state(codec, nid, target)) 2837 snd_hda_codec_write(codec, nid, 0, 2838 AC_VERB_SET_POWER_STATE, target); 2839 } 2840 } 2841 2842 #ifdef CONFIG_SND_HDA_RECONFIG 2843 /* execute additional init verbs */ 2844 static void hda_exec_init_verbs(struct hda_codec *codec) 2845 { 2846 if (codec->init_verbs.list) 2847 snd_hda_sequence_write(codec, codec->init_verbs.list); 2848 } 2849 #else 2850 static inline void hda_exec_init_verbs(struct hda_codec *codec) {} 2851 #endif 2852 2853 #ifdef CONFIG_PM 2854 /* update the power on/off account with the current jiffies */ 2855 static void update_power_acct(struct hda_codec *codec, bool on) 2856 { 2857 unsigned long delta = jiffies - codec->power_jiffies; 2858 2859 if (on) 2860 codec->power_on_acct += delta; 2861 else 2862 codec->power_off_acct += delta; 2863 codec->power_jiffies += delta; 2864 } 2865 2866 void snd_hda_update_power_acct(struct hda_codec *codec) 2867 { 2868 update_power_acct(codec, hda_codec_is_power_on(codec)); 2869 } 2870 2871 /* 2872 * call suspend and power-down; used both from PM and power-save 2873 * this function returns the power state in the end 2874 */ 2875 static unsigned int hda_call_codec_suspend(struct hda_codec *codec) 2876 { 2877 unsigned int state; 2878 2879 snd_hdac_enter_pm(&codec->core); 2880 if (codec->patch_ops.suspend) 2881 codec->patch_ops.suspend(codec); 2882 hda_cleanup_all_streams(codec); 2883 state = hda_set_power_state(codec, AC_PWRST_D3); 2884 update_power_acct(codec, true); 2885 snd_hdac_leave_pm(&codec->core); 2886 return state; 2887 } 2888 2889 /* 2890 * kick up codec; used both from PM and power-save 2891 */ 2892 static void hda_call_codec_resume(struct hda_codec *codec) 2893 { 2894 snd_hdac_enter_pm(&codec->core); 2895 if (codec->core.regmap) 2896 regcache_mark_dirty(codec->core.regmap); 2897 2898 codec->power_jiffies = jiffies; 2899 2900 hda_set_power_state(codec, AC_PWRST_D0); 2901 restore_shutup_pins(codec); 2902 hda_exec_init_verbs(codec); 2903 snd_hda_jack_set_dirty_all(codec); 2904 if (codec->patch_ops.resume) 2905 codec->patch_ops.resume(codec); 2906 else { 2907 if (codec->patch_ops.init) 2908 codec->patch_ops.init(codec); 2909 if (codec->core.regmap) 2910 regcache_sync(codec->core.regmap); 2911 } 2912 2913 if (codec->jackpoll_interval) 2914 hda_jackpoll_work(&codec->jackpoll_work.work); 2915 else 2916 snd_hda_jack_report_sync(codec); 2917 codec->core.dev.power.power_state = PMSG_ON; 2918 snd_hdac_leave_pm(&codec->core); 2919 } 2920 2921 static int hda_codec_runtime_suspend(struct device *dev) 2922 { 2923 struct hda_codec *codec = dev_to_hda_codec(dev); 2924 unsigned int state; 2925 2926 cancel_delayed_work_sync(&codec->jackpoll_work); 2927 state = hda_call_codec_suspend(codec); 2928 if (codec->link_down_at_suspend || 2929 (codec_has_clkstop(codec) && codec_has_epss(codec) && 2930 (state & AC_PWRST_CLK_STOP_OK))) 2931 snd_hdac_codec_link_down(&codec->core); 2932 codec_display_power(codec, false); 2933 return 0; 2934 } 2935 2936 static int hda_codec_runtime_resume(struct device *dev) 2937 { 2938 struct hda_codec *codec = dev_to_hda_codec(dev); 2939 2940 codec_display_power(codec, true); 2941 snd_hdac_codec_link_up(&codec->core); 2942 hda_call_codec_resume(codec); 2943 pm_runtime_mark_last_busy(dev); 2944 return 0; 2945 } 2946 #endif /* CONFIG_PM */ 2947 2948 #ifdef CONFIG_PM_SLEEP 2949 static int hda_codec_force_resume(struct device *dev) 2950 { 2951 int ret; 2952 2953 /* The get/put pair below enforces the runtime resume even if the 2954 * device hasn't been used at suspend time. This trick is needed to 2955 * update the jack state change during the sleep. 2956 */ 2957 pm_runtime_get_noresume(dev); 2958 ret = pm_runtime_force_resume(dev); 2959 pm_runtime_put(dev); 2960 return ret; 2961 } 2962 2963 static int hda_codec_pm_suspend(struct device *dev) 2964 { 2965 dev->power.power_state = PMSG_SUSPEND; 2966 return pm_runtime_force_suspend(dev); 2967 } 2968 2969 static int hda_codec_pm_resume(struct device *dev) 2970 { 2971 dev->power.power_state = PMSG_RESUME; 2972 return hda_codec_force_resume(dev); 2973 } 2974 2975 static int hda_codec_pm_freeze(struct device *dev) 2976 { 2977 dev->power.power_state = PMSG_FREEZE; 2978 return pm_runtime_force_suspend(dev); 2979 } 2980 2981 static int hda_codec_pm_thaw(struct device *dev) 2982 { 2983 dev->power.power_state = PMSG_THAW; 2984 return hda_codec_force_resume(dev); 2985 } 2986 2987 static int hda_codec_pm_restore(struct device *dev) 2988 { 2989 dev->power.power_state = PMSG_RESTORE; 2990 return hda_codec_force_resume(dev); 2991 } 2992 #endif /* CONFIG_PM_SLEEP */ 2993 2994 /* referred in hda_bind.c */ 2995 const struct dev_pm_ops hda_codec_driver_pm = { 2996 #ifdef CONFIG_PM_SLEEP 2997 .suspend = hda_codec_pm_suspend, 2998 .resume = hda_codec_pm_resume, 2999 .freeze = hda_codec_pm_freeze, 3000 .thaw = hda_codec_pm_thaw, 3001 .poweroff = hda_codec_pm_suspend, 3002 .restore = hda_codec_pm_restore, 3003 #endif /* CONFIG_PM_SLEEP */ 3004 SET_RUNTIME_PM_OPS(hda_codec_runtime_suspend, hda_codec_runtime_resume, 3005 NULL) 3006 }; 3007 3008 /* 3009 * add standard channel maps if not specified 3010 */ 3011 static int add_std_chmaps(struct hda_codec *codec) 3012 { 3013 struct hda_pcm *pcm; 3014 int str, err; 3015 3016 list_for_each_entry(pcm, &codec->pcm_list_head, list) { 3017 for (str = 0; str < 2; str++) { 3018 struct hda_pcm_stream *hinfo = &pcm->stream[str]; 3019 struct snd_pcm_chmap *chmap; 3020 const struct snd_pcm_chmap_elem *elem; 3021 3022 if (!pcm->pcm || pcm->own_chmap || !hinfo->substreams) 3023 continue; 3024 elem = hinfo->chmap ? hinfo->chmap : snd_pcm_std_chmaps; 3025 err = snd_pcm_add_chmap_ctls(pcm->pcm, str, elem, 3026 hinfo->channels_max, 3027 0, &chmap); 3028 if (err < 0) 3029 return err; 3030 chmap->channel_mask = SND_PCM_CHMAP_MASK_2468; 3031 } 3032 } 3033 return 0; 3034 } 3035 3036 /* default channel maps for 2.1 speakers; 3037 * since HD-audio supports only stereo, odd number channels are omitted 3038 */ 3039 const struct snd_pcm_chmap_elem snd_pcm_2_1_chmaps[] = { 3040 { .channels = 2, 3041 .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR } }, 3042 { .channels = 4, 3043 .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, 3044 SNDRV_CHMAP_LFE, SNDRV_CHMAP_LFE } }, 3045 { } 3046 }; 3047 EXPORT_SYMBOL_GPL(snd_pcm_2_1_chmaps); 3048 3049 int snd_hda_codec_build_controls(struct hda_codec *codec) 3050 { 3051 int err = 0; 3052 hda_exec_init_verbs(codec); 3053 /* continue to initialize... */ 3054 if (codec->patch_ops.init) 3055 err = codec->patch_ops.init(codec); 3056 if (!err && codec->patch_ops.build_controls) 3057 err = codec->patch_ops.build_controls(codec); 3058 if (err < 0) 3059 return err; 3060 3061 /* we create chmaps here instead of build_pcms */ 3062 err = add_std_chmaps(codec); 3063 if (err < 0) 3064 return err; 3065 3066 if (codec->jackpoll_interval) 3067 hda_jackpoll_work(&codec->jackpoll_work.work); 3068 else 3069 snd_hda_jack_report_sync(codec); /* call at the last init point */ 3070 sync_power_up_states(codec); 3071 return 0; 3072 } 3073 EXPORT_SYMBOL_GPL(snd_hda_codec_build_controls); 3074 3075 /* 3076 * PCM stuff 3077 */ 3078 static int hda_pcm_default_open_close(struct hda_pcm_stream *hinfo, 3079 struct hda_codec *codec, 3080 struct snd_pcm_substream *substream) 3081 { 3082 return 0; 3083 } 3084 3085 static int hda_pcm_default_prepare(struct hda_pcm_stream *hinfo, 3086 struct hda_codec *codec, 3087 unsigned int stream_tag, 3088 unsigned int format, 3089 struct snd_pcm_substream *substream) 3090 { 3091 snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format); 3092 return 0; 3093 } 3094 3095 static int hda_pcm_default_cleanup(struct hda_pcm_stream *hinfo, 3096 struct hda_codec *codec, 3097 struct snd_pcm_substream *substream) 3098 { 3099 snd_hda_codec_cleanup_stream(codec, hinfo->nid); 3100 return 0; 3101 } 3102 3103 static int set_pcm_default_values(struct hda_codec *codec, 3104 struct hda_pcm_stream *info) 3105 { 3106 int err; 3107 3108 /* query support PCM information from the given NID */ 3109 if (info->nid && (!info->rates || !info->formats)) { 3110 err = snd_hda_query_supported_pcm(codec, info->nid, 3111 info->rates ? NULL : &info->rates, 3112 info->formats ? NULL : &info->formats, 3113 info->maxbps ? NULL : &info->maxbps); 3114 if (err < 0) 3115 return err; 3116 } 3117 if (info->ops.open == NULL) 3118 info->ops.open = hda_pcm_default_open_close; 3119 if (info->ops.close == NULL) 3120 info->ops.close = hda_pcm_default_open_close; 3121 if (info->ops.prepare == NULL) { 3122 if (snd_BUG_ON(!info->nid)) 3123 return -EINVAL; 3124 info->ops.prepare = hda_pcm_default_prepare; 3125 } 3126 if (info->ops.cleanup == NULL) { 3127 if (snd_BUG_ON(!info->nid)) 3128 return -EINVAL; 3129 info->ops.cleanup = hda_pcm_default_cleanup; 3130 } 3131 return 0; 3132 } 3133 3134 /* 3135 * codec prepare/cleanup entries 3136 */ 3137 /** 3138 * snd_hda_codec_prepare - Prepare a stream 3139 * @codec: the HDA codec 3140 * @hinfo: PCM information 3141 * @stream: stream tag to assign 3142 * @format: format id to assign 3143 * @substream: PCM substream to assign 3144 * 3145 * Calls the prepare callback set by the codec with the given arguments. 3146 * Clean up the inactive streams when successful. 3147 */ 3148 int snd_hda_codec_prepare(struct hda_codec *codec, 3149 struct hda_pcm_stream *hinfo, 3150 unsigned int stream, 3151 unsigned int format, 3152 struct snd_pcm_substream *substream) 3153 { 3154 int ret; 3155 mutex_lock(&codec->bus->prepare_mutex); 3156 if (hinfo->ops.prepare) 3157 ret = hinfo->ops.prepare(hinfo, codec, stream, format, 3158 substream); 3159 else 3160 ret = -ENODEV; 3161 if (ret >= 0) 3162 purify_inactive_streams(codec); 3163 mutex_unlock(&codec->bus->prepare_mutex); 3164 return ret; 3165 } 3166 EXPORT_SYMBOL_GPL(snd_hda_codec_prepare); 3167 3168 /** 3169 * snd_hda_codec_cleanup - Prepare a stream 3170 * @codec: the HDA codec 3171 * @hinfo: PCM information 3172 * @substream: PCM substream 3173 * 3174 * Calls the cleanup callback set by the codec with the given arguments. 3175 */ 3176 void snd_hda_codec_cleanup(struct hda_codec *codec, 3177 struct hda_pcm_stream *hinfo, 3178 struct snd_pcm_substream *substream) 3179 { 3180 mutex_lock(&codec->bus->prepare_mutex); 3181 if (hinfo->ops.cleanup) 3182 hinfo->ops.cleanup(hinfo, codec, substream); 3183 mutex_unlock(&codec->bus->prepare_mutex); 3184 } 3185 EXPORT_SYMBOL_GPL(snd_hda_codec_cleanup); 3186 3187 /* global */ 3188 const char *snd_hda_pcm_type_name[HDA_PCM_NTYPES] = { 3189 "Audio", "SPDIF", "HDMI", "Modem" 3190 }; 3191 3192 /* 3193 * get the empty PCM device number to assign 3194 */ 3195 static int get_empty_pcm_device(struct hda_bus *bus, unsigned int type) 3196 { 3197 /* audio device indices; not linear to keep compatibility */ 3198 /* assigned to static slots up to dev#10; if more needed, assign 3199 * the later slot dynamically (when CONFIG_SND_DYNAMIC_MINORS=y) 3200 */ 3201 static int audio_idx[HDA_PCM_NTYPES][5] = { 3202 [HDA_PCM_TYPE_AUDIO] = { 0, 2, 4, 5, -1 }, 3203 [HDA_PCM_TYPE_SPDIF] = { 1, -1 }, 3204 [HDA_PCM_TYPE_HDMI] = { 3, 7, 8, 9, -1 }, 3205 [HDA_PCM_TYPE_MODEM] = { 6, -1 }, 3206 }; 3207 int i; 3208 3209 if (type >= HDA_PCM_NTYPES) { 3210 dev_err(bus->card->dev, "Invalid PCM type %d\n", type); 3211 return -EINVAL; 3212 } 3213 3214 for (i = 0; audio_idx[type][i] >= 0; i++) { 3215 #ifndef CONFIG_SND_DYNAMIC_MINORS 3216 if (audio_idx[type][i] >= 8) 3217 break; 3218 #endif 3219 if (!test_and_set_bit(audio_idx[type][i], bus->pcm_dev_bits)) 3220 return audio_idx[type][i]; 3221 } 3222 3223 #ifdef CONFIG_SND_DYNAMIC_MINORS 3224 /* non-fixed slots starting from 10 */ 3225 for (i = 10; i < 32; i++) { 3226 if (!test_and_set_bit(i, bus->pcm_dev_bits)) 3227 return i; 3228 } 3229 #endif 3230 3231 dev_warn(bus->card->dev, "Too many %s devices\n", 3232 snd_hda_pcm_type_name[type]); 3233 #ifndef CONFIG_SND_DYNAMIC_MINORS 3234 dev_warn(bus->card->dev, 3235 "Consider building the kernel with CONFIG_SND_DYNAMIC_MINORS=y\n"); 3236 #endif 3237 return -EAGAIN; 3238 } 3239 3240 /* call build_pcms ops of the given codec and set up the default parameters */ 3241 int snd_hda_codec_parse_pcms(struct hda_codec *codec) 3242 { 3243 struct hda_pcm *cpcm; 3244 int err; 3245 3246 if (!list_empty(&codec->pcm_list_head)) 3247 return 0; /* already parsed */ 3248 3249 if (!codec->patch_ops.build_pcms) 3250 return 0; 3251 3252 err = codec->patch_ops.build_pcms(codec); 3253 if (err < 0) { 3254 codec_err(codec, "cannot build PCMs for #%d (error %d)\n", 3255 codec->core.addr, err); 3256 return err; 3257 } 3258 3259 list_for_each_entry(cpcm, &codec->pcm_list_head, list) { 3260 int stream; 3261 3262 for (stream = 0; stream < 2; stream++) { 3263 struct hda_pcm_stream *info = &cpcm->stream[stream]; 3264 3265 if (!info->substreams) 3266 continue; 3267 err = set_pcm_default_values(codec, info); 3268 if (err < 0) { 3269 codec_warn(codec, 3270 "fail to setup default for PCM %s\n", 3271 cpcm->name); 3272 return err; 3273 } 3274 } 3275 } 3276 3277 return 0; 3278 } 3279 EXPORT_SYMBOL_GPL(snd_hda_codec_parse_pcms); 3280 3281 /* assign all PCMs of the given codec */ 3282 int snd_hda_codec_build_pcms(struct hda_codec *codec) 3283 { 3284 struct hda_bus *bus = codec->bus; 3285 struct hda_pcm *cpcm; 3286 int dev, err; 3287 3288 err = snd_hda_codec_parse_pcms(codec); 3289 if (err < 0) 3290 return err; 3291 3292 /* attach a new PCM streams */ 3293 list_for_each_entry(cpcm, &codec->pcm_list_head, list) { 3294 if (cpcm->pcm) 3295 continue; /* already attached */ 3296 if (!cpcm->stream[0].substreams && !cpcm->stream[1].substreams) 3297 continue; /* no substreams assigned */ 3298 3299 dev = get_empty_pcm_device(bus, cpcm->pcm_type); 3300 if (dev < 0) { 3301 cpcm->device = SNDRV_PCM_INVALID_DEVICE; 3302 continue; /* no fatal error */ 3303 } 3304 cpcm->device = dev; 3305 err = snd_hda_attach_pcm_stream(bus, codec, cpcm); 3306 if (err < 0) { 3307 codec_err(codec, 3308 "cannot attach PCM stream %d for codec #%d\n", 3309 dev, codec->core.addr); 3310 continue; /* no fatal error */ 3311 } 3312 } 3313 3314 return 0; 3315 } 3316 3317 /** 3318 * snd_hda_add_new_ctls - create controls from the array 3319 * @codec: the HDA codec 3320 * @knew: the array of struct snd_kcontrol_new 3321 * 3322 * This helper function creates and add new controls in the given array. 3323 * The array must be terminated with an empty entry as terminator. 3324 * 3325 * Returns 0 if successful, or a negative error code. 3326 */ 3327 int snd_hda_add_new_ctls(struct hda_codec *codec, 3328 const struct snd_kcontrol_new *knew) 3329 { 3330 int err; 3331 3332 for (; knew->name; knew++) { 3333 struct snd_kcontrol *kctl; 3334 int addr = 0, idx = 0; 3335 if (knew->iface == (__force snd_ctl_elem_iface_t)-1) 3336 continue; /* skip this codec private value */ 3337 for (;;) { 3338 kctl = snd_ctl_new1(knew, codec); 3339 if (!kctl) 3340 return -ENOMEM; 3341 if (addr > 0) 3342 kctl->id.device = addr; 3343 if (idx > 0) 3344 kctl->id.index = idx; 3345 err = snd_hda_ctl_add(codec, 0, kctl); 3346 if (!err) 3347 break; 3348 /* try first with another device index corresponding to 3349 * the codec addr; if it still fails (or it's the 3350 * primary codec), then try another control index 3351 */ 3352 if (!addr && codec->core.addr) 3353 addr = codec->core.addr; 3354 else if (!idx && !knew->index) { 3355 idx = find_empty_mixer_ctl_idx(codec, 3356 knew->name, 0); 3357 if (idx <= 0) 3358 return err; 3359 } else 3360 return err; 3361 } 3362 } 3363 return 0; 3364 } 3365 EXPORT_SYMBOL_GPL(snd_hda_add_new_ctls); 3366 3367 #ifdef CONFIG_PM 3368 static void codec_set_power_save(struct hda_codec *codec, int delay) 3369 { 3370 struct device *dev = hda_codec_dev(codec); 3371 3372 if (delay == 0 && codec->auto_runtime_pm) 3373 delay = 3000; 3374 3375 if (delay > 0) { 3376 pm_runtime_set_autosuspend_delay(dev, delay); 3377 pm_runtime_use_autosuspend(dev); 3378 pm_runtime_allow(dev); 3379 if (!pm_runtime_suspended(dev)) 3380 pm_runtime_mark_last_busy(dev); 3381 } else { 3382 pm_runtime_dont_use_autosuspend(dev); 3383 pm_runtime_forbid(dev); 3384 } 3385 } 3386 3387 /** 3388 * snd_hda_set_power_save - reprogram autosuspend for the given delay 3389 * @bus: HD-audio bus 3390 * @delay: autosuspend delay in msec, 0 = off 3391 * 3392 * Synchronize the runtime PM autosuspend state from the power_save option. 3393 */ 3394 void snd_hda_set_power_save(struct hda_bus *bus, int delay) 3395 { 3396 struct hda_codec *c; 3397 3398 list_for_each_codec(c, bus) 3399 codec_set_power_save(c, delay); 3400 } 3401 EXPORT_SYMBOL_GPL(snd_hda_set_power_save); 3402 3403 /** 3404 * snd_hda_check_amp_list_power - Check the amp list and update the power 3405 * @codec: HD-audio codec 3406 * @check: the object containing an AMP list and the status 3407 * @nid: NID to check / update 3408 * 3409 * Check whether the given NID is in the amp list. If it's in the list, 3410 * check the current AMP status, and update the the power-status according 3411 * to the mute status. 3412 * 3413 * This function is supposed to be set or called from the check_power_status 3414 * patch ops. 3415 */ 3416 int snd_hda_check_amp_list_power(struct hda_codec *codec, 3417 struct hda_loopback_check *check, 3418 hda_nid_t nid) 3419 { 3420 const struct hda_amp_list *p; 3421 int ch, v; 3422 3423 if (!check->amplist) 3424 return 0; 3425 for (p = check->amplist; p->nid; p++) { 3426 if (p->nid == nid) 3427 break; 3428 } 3429 if (!p->nid) 3430 return 0; /* nothing changed */ 3431 3432 for (p = check->amplist; p->nid; p++) { 3433 for (ch = 0; ch < 2; ch++) { 3434 v = snd_hda_codec_amp_read(codec, p->nid, ch, p->dir, 3435 p->idx); 3436 if (!(v & HDA_AMP_MUTE) && v > 0) { 3437 if (!check->power_on) { 3438 check->power_on = 1; 3439 snd_hda_power_up_pm(codec); 3440 } 3441 return 1; 3442 } 3443 } 3444 } 3445 if (check->power_on) { 3446 check->power_on = 0; 3447 snd_hda_power_down_pm(codec); 3448 } 3449 return 0; 3450 } 3451 EXPORT_SYMBOL_GPL(snd_hda_check_amp_list_power); 3452 #endif 3453 3454 /* 3455 * input MUX helper 3456 */ 3457 3458 /** 3459 * snd_hda_input_mux_info_info - Info callback helper for the input-mux enum 3460 * @imux: imux helper object 3461 * @uinfo: pointer to get/store the data 3462 */ 3463 int snd_hda_input_mux_info(const struct hda_input_mux *imux, 3464 struct snd_ctl_elem_info *uinfo) 3465 { 3466 unsigned int index; 3467 3468 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 3469 uinfo->count = 1; 3470 uinfo->value.enumerated.items = imux->num_items; 3471 if (!imux->num_items) 3472 return 0; 3473 index = uinfo->value.enumerated.item; 3474 if (index >= imux->num_items) 3475 index = imux->num_items - 1; 3476 strcpy(uinfo->value.enumerated.name, imux->items[index].label); 3477 return 0; 3478 } 3479 EXPORT_SYMBOL_GPL(snd_hda_input_mux_info); 3480 3481 /** 3482 * snd_hda_input_mux_info_put - Put callback helper for the input-mux enum 3483 * @codec: the HDA codec 3484 * @imux: imux helper object 3485 * @ucontrol: pointer to get/store the data 3486 * @nid: input mux NID 3487 * @cur_val: pointer to get/store the current imux value 3488 */ 3489 int snd_hda_input_mux_put(struct hda_codec *codec, 3490 const struct hda_input_mux *imux, 3491 struct snd_ctl_elem_value *ucontrol, 3492 hda_nid_t nid, 3493 unsigned int *cur_val) 3494 { 3495 unsigned int idx; 3496 3497 if (!imux->num_items) 3498 return 0; 3499 idx = ucontrol->value.enumerated.item[0]; 3500 if (idx >= imux->num_items) 3501 idx = imux->num_items - 1; 3502 if (*cur_val == idx) 3503 return 0; 3504 snd_hda_codec_write_cache(codec, nid, 0, AC_VERB_SET_CONNECT_SEL, 3505 imux->items[idx].index); 3506 *cur_val = idx; 3507 return 1; 3508 } 3509 EXPORT_SYMBOL_GPL(snd_hda_input_mux_put); 3510 3511 3512 /** 3513 * snd_hda_enum_helper_info - Helper for simple enum ctls 3514 * @kcontrol: ctl element 3515 * @uinfo: pointer to get/store the data 3516 * @num_items: number of enum items 3517 * @texts: enum item string array 3518 * 3519 * process kcontrol info callback of a simple string enum array 3520 * when @num_items is 0 or @texts is NULL, assume a boolean enum array 3521 */ 3522 int snd_hda_enum_helper_info(struct snd_kcontrol *kcontrol, 3523 struct snd_ctl_elem_info *uinfo, 3524 int num_items, const char * const *texts) 3525 { 3526 static const char * const texts_default[] = { 3527 "Disabled", "Enabled" 3528 }; 3529 3530 if (!texts || !num_items) { 3531 num_items = 2; 3532 texts = texts_default; 3533 } 3534 3535 return snd_ctl_enum_info(uinfo, 1, num_items, texts); 3536 } 3537 EXPORT_SYMBOL_GPL(snd_hda_enum_helper_info); 3538 3539 /* 3540 * Multi-channel / digital-out PCM helper functions 3541 */ 3542 3543 /* setup SPDIF output stream */ 3544 static void setup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid, 3545 unsigned int stream_tag, unsigned int format) 3546 { 3547 struct hda_spdif_out *spdif; 3548 unsigned int curr_fmt; 3549 bool reset; 3550 3551 spdif = snd_hda_spdif_out_of_nid(codec, nid); 3552 /* Add sanity check to pass klockwork check. 3553 * This should never happen. 3554 */ 3555 if (WARN_ON(spdif == NULL)) 3556 return; 3557 3558 curr_fmt = snd_hda_codec_read(codec, nid, 0, 3559 AC_VERB_GET_STREAM_FORMAT, 0); 3560 reset = codec->spdif_status_reset && 3561 (spdif->ctls & AC_DIG1_ENABLE) && 3562 curr_fmt != format; 3563 3564 /* turn off SPDIF if needed; otherwise the IEC958 bits won't be 3565 updated */ 3566 if (reset) 3567 set_dig_out_convert(codec, nid, 3568 spdif->ctls & ~AC_DIG1_ENABLE & 0xff, 3569 -1); 3570 snd_hda_codec_setup_stream(codec, nid, stream_tag, 0, format); 3571 if (codec->slave_dig_outs) { 3572 const hda_nid_t *d; 3573 for (d = codec->slave_dig_outs; *d; d++) 3574 snd_hda_codec_setup_stream(codec, *d, stream_tag, 0, 3575 format); 3576 } 3577 /* turn on again (if needed) */ 3578 if (reset) 3579 set_dig_out_convert(codec, nid, 3580 spdif->ctls & 0xff, -1); 3581 } 3582 3583 static void cleanup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid) 3584 { 3585 snd_hda_codec_cleanup_stream(codec, nid); 3586 if (codec->slave_dig_outs) { 3587 const hda_nid_t *d; 3588 for (d = codec->slave_dig_outs; *d; d++) 3589 snd_hda_codec_cleanup_stream(codec, *d); 3590 } 3591 } 3592 3593 /** 3594 * snd_hda_multi_out_dig_open - open the digital out in the exclusive mode 3595 * @codec: the HDA codec 3596 * @mout: hda_multi_out object 3597 */ 3598 int snd_hda_multi_out_dig_open(struct hda_codec *codec, 3599 struct hda_multi_out *mout) 3600 { 3601 mutex_lock(&codec->spdif_mutex); 3602 if (mout->dig_out_used == HDA_DIG_ANALOG_DUP) 3603 /* already opened as analog dup; reset it once */ 3604 cleanup_dig_out_stream(codec, mout->dig_out_nid); 3605 mout->dig_out_used = HDA_DIG_EXCLUSIVE; 3606 mutex_unlock(&codec->spdif_mutex); 3607 return 0; 3608 } 3609 EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_open); 3610 3611 /** 3612 * snd_hda_multi_out_dig_prepare - prepare the digital out stream 3613 * @codec: the HDA codec 3614 * @mout: hda_multi_out object 3615 * @stream_tag: stream tag to assign 3616 * @format: format id to assign 3617 * @substream: PCM substream to assign 3618 */ 3619 int snd_hda_multi_out_dig_prepare(struct hda_codec *codec, 3620 struct hda_multi_out *mout, 3621 unsigned int stream_tag, 3622 unsigned int format, 3623 struct snd_pcm_substream *substream) 3624 { 3625 mutex_lock(&codec->spdif_mutex); 3626 setup_dig_out_stream(codec, mout->dig_out_nid, stream_tag, format); 3627 mutex_unlock(&codec->spdif_mutex); 3628 return 0; 3629 } 3630 EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_prepare); 3631 3632 /** 3633 * snd_hda_multi_out_dig_cleanup - clean-up the digital out stream 3634 * @codec: the HDA codec 3635 * @mout: hda_multi_out object 3636 */ 3637 int snd_hda_multi_out_dig_cleanup(struct hda_codec *codec, 3638 struct hda_multi_out *mout) 3639 { 3640 mutex_lock(&codec->spdif_mutex); 3641 cleanup_dig_out_stream(codec, mout->dig_out_nid); 3642 mutex_unlock(&codec->spdif_mutex); 3643 return 0; 3644 } 3645 EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_cleanup); 3646 3647 /** 3648 * snd_hda_multi_out_dig_close - release the digital out stream 3649 * @codec: the HDA codec 3650 * @mout: hda_multi_out object 3651 */ 3652 int snd_hda_multi_out_dig_close(struct hda_codec *codec, 3653 struct hda_multi_out *mout) 3654 { 3655 mutex_lock(&codec->spdif_mutex); 3656 mout->dig_out_used = 0; 3657 mutex_unlock(&codec->spdif_mutex); 3658 return 0; 3659 } 3660 EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_close); 3661 3662 /** 3663 * snd_hda_multi_out_analog_open - open analog outputs 3664 * @codec: the HDA codec 3665 * @mout: hda_multi_out object 3666 * @substream: PCM substream to assign 3667 * @hinfo: PCM information to assign 3668 * 3669 * Open analog outputs and set up the hw-constraints. 3670 * If the digital outputs can be opened as slave, open the digital 3671 * outputs, too. 3672 */ 3673 int snd_hda_multi_out_analog_open(struct hda_codec *codec, 3674 struct hda_multi_out *mout, 3675 struct snd_pcm_substream *substream, 3676 struct hda_pcm_stream *hinfo) 3677 { 3678 struct snd_pcm_runtime *runtime = substream->runtime; 3679 runtime->hw.channels_max = mout->max_channels; 3680 if (mout->dig_out_nid) { 3681 if (!mout->analog_rates) { 3682 mout->analog_rates = hinfo->rates; 3683 mout->analog_formats = hinfo->formats; 3684 mout->analog_maxbps = hinfo->maxbps; 3685 } else { 3686 runtime->hw.rates = mout->analog_rates; 3687 runtime->hw.formats = mout->analog_formats; 3688 hinfo->maxbps = mout->analog_maxbps; 3689 } 3690 if (!mout->spdif_rates) { 3691 snd_hda_query_supported_pcm(codec, mout->dig_out_nid, 3692 &mout->spdif_rates, 3693 &mout->spdif_formats, 3694 &mout->spdif_maxbps); 3695 } 3696 mutex_lock(&codec->spdif_mutex); 3697 if (mout->share_spdif) { 3698 if ((runtime->hw.rates & mout->spdif_rates) && 3699 (runtime->hw.formats & mout->spdif_formats)) { 3700 runtime->hw.rates &= mout->spdif_rates; 3701 runtime->hw.formats &= mout->spdif_formats; 3702 if (mout->spdif_maxbps < hinfo->maxbps) 3703 hinfo->maxbps = mout->spdif_maxbps; 3704 } else { 3705 mout->share_spdif = 0; 3706 /* FIXME: need notify? */ 3707 } 3708 } 3709 mutex_unlock(&codec->spdif_mutex); 3710 } 3711 return snd_pcm_hw_constraint_step(substream->runtime, 0, 3712 SNDRV_PCM_HW_PARAM_CHANNELS, 2); 3713 } 3714 EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_open); 3715 3716 /** 3717 * snd_hda_multi_out_analog_prepare - Preapre the analog outputs. 3718 * @codec: the HDA codec 3719 * @mout: hda_multi_out object 3720 * @stream_tag: stream tag to assign 3721 * @format: format id to assign 3722 * @substream: PCM substream to assign 3723 * 3724 * Set up the i/o for analog out. 3725 * When the digital out is available, copy the front out to digital out, too. 3726 */ 3727 int snd_hda_multi_out_analog_prepare(struct hda_codec *codec, 3728 struct hda_multi_out *mout, 3729 unsigned int stream_tag, 3730 unsigned int format, 3731 struct snd_pcm_substream *substream) 3732 { 3733 const hda_nid_t *nids = mout->dac_nids; 3734 int chs = substream->runtime->channels; 3735 struct hda_spdif_out *spdif; 3736 int i; 3737 3738 mutex_lock(&codec->spdif_mutex); 3739 spdif = snd_hda_spdif_out_of_nid(codec, mout->dig_out_nid); 3740 if (mout->dig_out_nid && mout->share_spdif && 3741 mout->dig_out_used != HDA_DIG_EXCLUSIVE) { 3742 if (chs == 2 && spdif != NULL && 3743 snd_hda_is_supported_format(codec, mout->dig_out_nid, 3744 format) && 3745 !(spdif->status & IEC958_AES0_NONAUDIO)) { 3746 mout->dig_out_used = HDA_DIG_ANALOG_DUP; 3747 setup_dig_out_stream(codec, mout->dig_out_nid, 3748 stream_tag, format); 3749 } else { 3750 mout->dig_out_used = 0; 3751 cleanup_dig_out_stream(codec, mout->dig_out_nid); 3752 } 3753 } 3754 mutex_unlock(&codec->spdif_mutex); 3755 3756 /* front */ 3757 snd_hda_codec_setup_stream(codec, nids[HDA_FRONT], stream_tag, 3758 0, format); 3759 if (!mout->no_share_stream && 3760 mout->hp_nid && mout->hp_nid != nids[HDA_FRONT]) 3761 /* headphone out will just decode front left/right (stereo) */ 3762 snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag, 3763 0, format); 3764 /* extra outputs copied from front */ 3765 for (i = 0; i < ARRAY_SIZE(mout->hp_out_nid); i++) 3766 if (!mout->no_share_stream && mout->hp_out_nid[i]) 3767 snd_hda_codec_setup_stream(codec, 3768 mout->hp_out_nid[i], 3769 stream_tag, 0, format); 3770 3771 /* surrounds */ 3772 for (i = 1; i < mout->num_dacs; i++) { 3773 if (chs >= (i + 1) * 2) /* independent out */ 3774 snd_hda_codec_setup_stream(codec, nids[i], stream_tag, 3775 i * 2, format); 3776 else if (!mout->no_share_stream) /* copy front */ 3777 snd_hda_codec_setup_stream(codec, nids[i], stream_tag, 3778 0, format); 3779 } 3780 3781 /* extra surrounds */ 3782 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++) { 3783 int ch = 0; 3784 if (!mout->extra_out_nid[i]) 3785 break; 3786 if (chs >= (i + 1) * 2) 3787 ch = i * 2; 3788 else if (!mout->no_share_stream) 3789 break; 3790 snd_hda_codec_setup_stream(codec, mout->extra_out_nid[i], 3791 stream_tag, ch, format); 3792 } 3793 3794 return 0; 3795 } 3796 EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_prepare); 3797 3798 /** 3799 * snd_hda_multi_out_analog_cleanup - clean up the setting for analog out 3800 * @codec: the HDA codec 3801 * @mout: hda_multi_out object 3802 */ 3803 int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec, 3804 struct hda_multi_out *mout) 3805 { 3806 const hda_nid_t *nids = mout->dac_nids; 3807 int i; 3808 3809 for (i = 0; i < mout->num_dacs; i++) 3810 snd_hda_codec_cleanup_stream(codec, nids[i]); 3811 if (mout->hp_nid) 3812 snd_hda_codec_cleanup_stream(codec, mout->hp_nid); 3813 for (i = 0; i < ARRAY_SIZE(mout->hp_out_nid); i++) 3814 if (mout->hp_out_nid[i]) 3815 snd_hda_codec_cleanup_stream(codec, 3816 mout->hp_out_nid[i]); 3817 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++) 3818 if (mout->extra_out_nid[i]) 3819 snd_hda_codec_cleanup_stream(codec, 3820 mout->extra_out_nid[i]); 3821 mutex_lock(&codec->spdif_mutex); 3822 if (mout->dig_out_nid && mout->dig_out_used == HDA_DIG_ANALOG_DUP) { 3823 cleanup_dig_out_stream(codec, mout->dig_out_nid); 3824 mout->dig_out_used = 0; 3825 } 3826 mutex_unlock(&codec->spdif_mutex); 3827 return 0; 3828 } 3829 EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_cleanup); 3830 3831 /** 3832 * snd_hda_get_default_vref - Get the default (mic) VREF pin bits 3833 * @codec: the HDA codec 3834 * @pin: referred pin NID 3835 * 3836 * Guess the suitable VREF pin bits to be set as the pin-control value. 3837 * Note: the function doesn't set the AC_PINCTL_IN_EN bit. 3838 */ 3839 unsigned int snd_hda_get_default_vref(struct hda_codec *codec, hda_nid_t pin) 3840 { 3841 unsigned int pincap; 3842 unsigned int oldval; 3843 oldval = snd_hda_codec_read(codec, pin, 0, 3844 AC_VERB_GET_PIN_WIDGET_CONTROL, 0); 3845 pincap = snd_hda_query_pin_caps(codec, pin); 3846 pincap = (pincap & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT; 3847 /* Exception: if the default pin setup is vref50, we give it priority */ 3848 if ((pincap & AC_PINCAP_VREF_80) && oldval != PIN_VREF50) 3849 return AC_PINCTL_VREF_80; 3850 else if (pincap & AC_PINCAP_VREF_50) 3851 return AC_PINCTL_VREF_50; 3852 else if (pincap & AC_PINCAP_VREF_100) 3853 return AC_PINCTL_VREF_100; 3854 else if (pincap & AC_PINCAP_VREF_GRD) 3855 return AC_PINCTL_VREF_GRD; 3856 return AC_PINCTL_VREF_HIZ; 3857 } 3858 EXPORT_SYMBOL_GPL(snd_hda_get_default_vref); 3859 3860 /** 3861 * snd_hda_correct_pin_ctl - correct the pin ctl value for matching with the pin cap 3862 * @codec: the HDA codec 3863 * @pin: referred pin NID 3864 * @val: pin ctl value to audit 3865 */ 3866 unsigned int snd_hda_correct_pin_ctl(struct hda_codec *codec, 3867 hda_nid_t pin, unsigned int val) 3868 { 3869 static unsigned int cap_lists[][2] = { 3870 { AC_PINCTL_VREF_100, AC_PINCAP_VREF_100 }, 3871 { AC_PINCTL_VREF_80, AC_PINCAP_VREF_80 }, 3872 { AC_PINCTL_VREF_50, AC_PINCAP_VREF_50 }, 3873 { AC_PINCTL_VREF_GRD, AC_PINCAP_VREF_GRD }, 3874 }; 3875 unsigned int cap; 3876 3877 if (!val) 3878 return 0; 3879 cap = snd_hda_query_pin_caps(codec, pin); 3880 if (!cap) 3881 return val; /* don't know what to do... */ 3882 3883 if (val & AC_PINCTL_OUT_EN) { 3884 if (!(cap & AC_PINCAP_OUT)) 3885 val &= ~(AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN); 3886 else if ((val & AC_PINCTL_HP_EN) && !(cap & AC_PINCAP_HP_DRV)) 3887 val &= ~AC_PINCTL_HP_EN; 3888 } 3889 3890 if (val & AC_PINCTL_IN_EN) { 3891 if (!(cap & AC_PINCAP_IN)) 3892 val &= ~(AC_PINCTL_IN_EN | AC_PINCTL_VREFEN); 3893 else { 3894 unsigned int vcap, vref; 3895 int i; 3896 vcap = (cap & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT; 3897 vref = val & AC_PINCTL_VREFEN; 3898 for (i = 0; i < ARRAY_SIZE(cap_lists); i++) { 3899 if (vref == cap_lists[i][0] && 3900 !(vcap & cap_lists[i][1])) { 3901 if (i == ARRAY_SIZE(cap_lists) - 1) 3902 vref = AC_PINCTL_VREF_HIZ; 3903 else 3904 vref = cap_lists[i + 1][0]; 3905 } 3906 } 3907 val &= ~AC_PINCTL_VREFEN; 3908 val |= vref; 3909 } 3910 } 3911 3912 return val; 3913 } 3914 EXPORT_SYMBOL_GPL(snd_hda_correct_pin_ctl); 3915 3916 /** 3917 * _snd_hda_pin_ctl - Helper to set pin ctl value 3918 * @codec: the HDA codec 3919 * @pin: referred pin NID 3920 * @val: pin control value to set 3921 * @cached: access over codec pinctl cache or direct write 3922 * 3923 * This function is a helper to set a pin ctl value more safely. 3924 * It corrects the pin ctl value via snd_hda_correct_pin_ctl(), stores the 3925 * value in pin target array via snd_hda_codec_set_pin_target(), then 3926 * actually writes the value via either snd_hda_codec_write_cache() or 3927 * snd_hda_codec_write() depending on @cached flag. 3928 */ 3929 int _snd_hda_set_pin_ctl(struct hda_codec *codec, hda_nid_t pin, 3930 unsigned int val, bool cached) 3931 { 3932 val = snd_hda_correct_pin_ctl(codec, pin, val); 3933 snd_hda_codec_set_pin_target(codec, pin, val); 3934 if (cached) 3935 return snd_hda_codec_write_cache(codec, pin, 0, 3936 AC_VERB_SET_PIN_WIDGET_CONTROL, val); 3937 else 3938 return snd_hda_codec_write(codec, pin, 0, 3939 AC_VERB_SET_PIN_WIDGET_CONTROL, val); 3940 } 3941 EXPORT_SYMBOL_GPL(_snd_hda_set_pin_ctl); 3942 3943 /** 3944 * snd_hda_add_imux_item - Add an item to input_mux 3945 * @codec: the HDA codec 3946 * @imux: imux helper object 3947 * @label: the name of imux item to assign 3948 * @index: index number of imux item to assign 3949 * @type_idx: pointer to store the resultant label index 3950 * 3951 * When the same label is used already in the existing items, the number 3952 * suffix is appended to the label. This label index number is stored 3953 * to type_idx when non-NULL pointer is given. 3954 */ 3955 int snd_hda_add_imux_item(struct hda_codec *codec, 3956 struct hda_input_mux *imux, const char *label, 3957 int index, int *type_idx) 3958 { 3959 int i, label_idx = 0; 3960 if (imux->num_items >= HDA_MAX_NUM_INPUTS) { 3961 codec_err(codec, "hda_codec: Too many imux items!\n"); 3962 return -EINVAL; 3963 } 3964 for (i = 0; i < imux->num_items; i++) { 3965 if (!strncmp(label, imux->items[i].label, strlen(label))) 3966 label_idx++; 3967 } 3968 if (type_idx) 3969 *type_idx = label_idx; 3970 if (label_idx > 0) 3971 snprintf(imux->items[imux->num_items].label, 3972 sizeof(imux->items[imux->num_items].label), 3973 "%s %d", label, label_idx); 3974 else 3975 strlcpy(imux->items[imux->num_items].label, label, 3976 sizeof(imux->items[imux->num_items].label)); 3977 imux->items[imux->num_items].index = index; 3978 imux->num_items++; 3979 return 0; 3980 } 3981 EXPORT_SYMBOL_GPL(snd_hda_add_imux_item); 3982 3983 /** 3984 * snd_hda_bus_reset_codecs - Reset the bus 3985 * @bus: HD-audio bus 3986 */ 3987 void snd_hda_bus_reset_codecs(struct hda_bus *bus) 3988 { 3989 struct hda_codec *codec; 3990 3991 list_for_each_codec(codec, bus) { 3992 /* FIXME: maybe a better way needed for forced reset */ 3993 if (current_work() != &codec->jackpoll_work.work) 3994 cancel_delayed_work_sync(&codec->jackpoll_work); 3995 #ifdef CONFIG_PM 3996 if (hda_codec_is_power_on(codec)) { 3997 hda_call_codec_suspend(codec); 3998 hda_call_codec_resume(codec); 3999 } 4000 #endif 4001 } 4002 } 4003 4004 /** 4005 * snd_print_pcm_bits - Print the supported PCM fmt bits to the string buffer 4006 * @pcm: PCM caps bits 4007 * @buf: the string buffer to write 4008 * @buflen: the max buffer length 4009 * 4010 * used by hda_proc.c and hda_eld.c 4011 */ 4012 void snd_print_pcm_bits(int pcm, char *buf, int buflen) 4013 { 4014 static unsigned int bits[] = { 8, 16, 20, 24, 32 }; 4015 int i, j; 4016 4017 for (i = 0, j = 0; i < ARRAY_SIZE(bits); i++) 4018 if (pcm & (AC_SUPPCM_BITS_8 << i)) 4019 j += snprintf(buf + j, buflen - j, " %d", bits[i]); 4020 4021 buf[j] = '\0'; /* necessary when j == 0 */ 4022 } 4023 EXPORT_SYMBOL_GPL(snd_print_pcm_bits); 4024 4025 MODULE_DESCRIPTION("HDA codec core"); 4026 MODULE_LICENSE("GPL"); 4027