1 /* 2 * Universal Interface for Intel High Definition Audio Codec 3 * 4 * Generic widget tree parser 5 * 6 * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de> 7 * 8 * This driver is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; either version 2 of the License, or 11 * (at your option) any later version. 12 * 13 * This driver is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 21 */ 22 23 #include <linux/init.h> 24 #include <linux/slab.h> 25 #include <sound/core.h> 26 #include "hda_codec.h" 27 #include "hda_local.h" 28 29 /* widget node for parsing */ 30 struct hda_gnode { 31 hda_nid_t nid; /* NID of this widget */ 32 unsigned short nconns; /* number of input connections */ 33 hda_nid_t *conn_list; 34 hda_nid_t slist[2]; /* temporay list */ 35 unsigned int wid_caps; /* widget capabilities */ 36 unsigned char type; /* widget type */ 37 unsigned char pin_ctl; /* pin controls */ 38 unsigned char checked; /* the flag indicates that the node is already parsed */ 39 unsigned int pin_caps; /* pin widget capabilities */ 40 unsigned int def_cfg; /* default configuration */ 41 unsigned int amp_out_caps; /* AMP out capabilities */ 42 unsigned int amp_in_caps; /* AMP in capabilities */ 43 struct list_head list; 44 }; 45 46 /* patch-specific record */ 47 48 #define MAX_PCM_VOLS 2 49 struct pcm_vol { 50 struct hda_gnode *node; /* Node for PCM volume */ 51 unsigned int index; /* connection of PCM volume */ 52 }; 53 54 struct hda_gspec { 55 struct hda_gnode *dac_node[2]; /* DAC node */ 56 struct hda_gnode *out_pin_node[2]; /* Output pin (Line-Out) node */ 57 struct pcm_vol pcm_vol[MAX_PCM_VOLS]; /* PCM volumes */ 58 unsigned int pcm_vol_nodes; /* number of PCM volumes */ 59 60 struct hda_gnode *adc_node; /* ADC node */ 61 struct hda_gnode *cap_vol_node; /* Node for capture volume */ 62 unsigned int cur_cap_src; /* current capture source */ 63 struct hda_input_mux input_mux; 64 65 unsigned int def_amp_in_caps; 66 unsigned int def_amp_out_caps; 67 68 struct hda_pcm pcm_rec; /* PCM information */ 69 70 struct list_head nid_list; /* list of widgets */ 71 72 #ifdef CONFIG_SND_HDA_POWER_SAVE 73 #define MAX_LOOPBACK_AMPS 7 74 struct hda_loopback_check loopback; 75 int num_loopbacks; 76 struct hda_amp_list loopback_list[MAX_LOOPBACK_AMPS + 1]; 77 #endif 78 }; 79 80 /* 81 * retrieve the default device type from the default config value 82 */ 83 #define defcfg_type(node) (((node)->def_cfg & AC_DEFCFG_DEVICE) >> \ 84 AC_DEFCFG_DEVICE_SHIFT) 85 #define defcfg_location(node) (((node)->def_cfg & AC_DEFCFG_LOCATION) >> \ 86 AC_DEFCFG_LOCATION_SHIFT) 87 #define defcfg_port_conn(node) (((node)->def_cfg & AC_DEFCFG_PORT_CONN) >> \ 88 AC_DEFCFG_PORT_CONN_SHIFT) 89 90 /* 91 * destructor 92 */ 93 static void snd_hda_generic_free(struct hda_codec *codec) 94 { 95 struct hda_gspec *spec = codec->spec; 96 struct hda_gnode *node, *n; 97 98 if (! spec) 99 return; 100 /* free all widgets */ 101 list_for_each_entry_safe(node, n, &spec->nid_list, list) { 102 if (node->conn_list != node->slist) 103 kfree(node->conn_list); 104 kfree(node); 105 } 106 kfree(spec); 107 } 108 109 110 /* 111 * add a new widget node and read its attributes 112 */ 113 static int add_new_node(struct hda_codec *codec, struct hda_gspec *spec, hda_nid_t nid) 114 { 115 struct hda_gnode *node; 116 int nconns; 117 hda_nid_t conn_list[HDA_MAX_CONNECTIONS]; 118 119 node = kzalloc(sizeof(*node), GFP_KERNEL); 120 if (node == NULL) 121 return -ENOMEM; 122 node->nid = nid; 123 node->wid_caps = get_wcaps(codec, nid); 124 node->type = get_wcaps_type(node->wid_caps); 125 if (node->wid_caps & AC_WCAP_CONN_LIST) { 126 nconns = snd_hda_get_connections(codec, nid, conn_list, 127 HDA_MAX_CONNECTIONS); 128 if (nconns < 0) { 129 kfree(node); 130 return nconns; 131 } 132 } else { 133 nconns = 0; 134 } 135 if (nconns <= ARRAY_SIZE(node->slist)) 136 node->conn_list = node->slist; 137 else { 138 node->conn_list = kmalloc(sizeof(hda_nid_t) * nconns, 139 GFP_KERNEL); 140 if (! node->conn_list) { 141 snd_printk(KERN_ERR "hda-generic: cannot malloc\n"); 142 kfree(node); 143 return -ENOMEM; 144 } 145 } 146 memcpy(node->conn_list, conn_list, nconns * sizeof(hda_nid_t)); 147 node->nconns = nconns; 148 149 if (node->type == AC_WID_PIN) { 150 node->pin_caps = snd_hda_query_pin_caps(codec, node->nid); 151 node->pin_ctl = snd_hda_codec_read(codec, node->nid, 0, AC_VERB_GET_PIN_WIDGET_CONTROL, 0); 152 node->def_cfg = snd_hda_codec_get_pincfg(codec, node->nid); 153 } 154 155 if (node->wid_caps & AC_WCAP_OUT_AMP) { 156 if (node->wid_caps & AC_WCAP_AMP_OVRD) 157 node->amp_out_caps = snd_hda_param_read(codec, node->nid, AC_PAR_AMP_OUT_CAP); 158 if (! node->amp_out_caps) 159 node->amp_out_caps = spec->def_amp_out_caps; 160 } 161 if (node->wid_caps & AC_WCAP_IN_AMP) { 162 if (node->wid_caps & AC_WCAP_AMP_OVRD) 163 node->amp_in_caps = snd_hda_param_read(codec, node->nid, AC_PAR_AMP_IN_CAP); 164 if (! node->amp_in_caps) 165 node->amp_in_caps = spec->def_amp_in_caps; 166 } 167 list_add_tail(&node->list, &spec->nid_list); 168 return 0; 169 } 170 171 /* 172 * build the AFG subtree 173 */ 174 static int build_afg_tree(struct hda_codec *codec) 175 { 176 struct hda_gspec *spec = codec->spec; 177 int i, nodes, err; 178 hda_nid_t nid; 179 180 if (snd_BUG_ON(!spec)) 181 return -EINVAL; 182 183 spec->def_amp_out_caps = snd_hda_param_read(codec, codec->afg, AC_PAR_AMP_OUT_CAP); 184 spec->def_amp_in_caps = snd_hda_param_read(codec, codec->afg, AC_PAR_AMP_IN_CAP); 185 186 nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid); 187 if (! nid || nodes < 0) { 188 printk(KERN_ERR "Invalid AFG subtree\n"); 189 return -EINVAL; 190 } 191 192 /* parse all nodes belonging to the AFG */ 193 for (i = 0; i < nodes; i++, nid++) { 194 if ((err = add_new_node(codec, spec, nid)) < 0) 195 return err; 196 } 197 198 return 0; 199 } 200 201 202 /* 203 * look for the node record for the given NID 204 */ 205 /* FIXME: should avoid the braindead linear search */ 206 static struct hda_gnode *hda_get_node(struct hda_gspec *spec, hda_nid_t nid) 207 { 208 struct hda_gnode *node; 209 210 list_for_each_entry(node, &spec->nid_list, list) { 211 if (node->nid == nid) 212 return node; 213 } 214 return NULL; 215 } 216 217 /* 218 * unmute (and set max vol) the output amplifier 219 */ 220 static int unmute_output(struct hda_codec *codec, struct hda_gnode *node) 221 { 222 unsigned int val, ofs; 223 snd_printdd("UNMUTE OUT: NID=0x%x\n", node->nid); 224 val = (node->amp_out_caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT; 225 ofs = (node->amp_out_caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT; 226 if (val >= ofs) 227 val -= ofs; 228 snd_hda_codec_amp_stereo(codec, node->nid, HDA_OUTPUT, 0, 0xff, val); 229 return 0; 230 } 231 232 /* 233 * unmute (and set max vol) the input amplifier 234 */ 235 static int unmute_input(struct hda_codec *codec, struct hda_gnode *node, unsigned int index) 236 { 237 unsigned int val, ofs; 238 snd_printdd("UNMUTE IN: NID=0x%x IDX=0x%x\n", node->nid, index); 239 val = (node->amp_in_caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT; 240 ofs = (node->amp_in_caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT; 241 if (val >= ofs) 242 val -= ofs; 243 snd_hda_codec_amp_stereo(codec, node->nid, HDA_INPUT, index, 0xff, val); 244 return 0; 245 } 246 247 /* 248 * select the input connection of the given node. 249 */ 250 static int select_input_connection(struct hda_codec *codec, struct hda_gnode *node, 251 unsigned int index) 252 { 253 snd_printdd("CONNECT: NID=0x%x IDX=0x%x\n", node->nid, index); 254 return snd_hda_codec_write_cache(codec, node->nid, 0, 255 AC_VERB_SET_CONNECT_SEL, index); 256 } 257 258 /* 259 * clear checked flag of each node in the node list 260 */ 261 static void clear_check_flags(struct hda_gspec *spec) 262 { 263 struct hda_gnode *node; 264 265 list_for_each_entry(node, &spec->nid_list, list) { 266 node->checked = 0; 267 } 268 } 269 270 /* 271 * parse the output path recursively until reach to an audio output widget 272 * 273 * returns 0 if not found, 1 if found, or a negative error code. 274 */ 275 static int parse_output_path(struct hda_codec *codec, struct hda_gspec *spec, 276 struct hda_gnode *node, int dac_idx) 277 { 278 int i, err; 279 struct hda_gnode *child; 280 281 if (node->checked) 282 return 0; 283 284 node->checked = 1; 285 if (node->type == AC_WID_AUD_OUT) { 286 if (node->wid_caps & AC_WCAP_DIGITAL) { 287 snd_printdd("Skip Digital OUT node %x\n", node->nid); 288 return 0; 289 } 290 snd_printdd("AUD_OUT found %x\n", node->nid); 291 if (spec->dac_node[dac_idx]) { 292 /* already DAC node is assigned, just unmute & connect */ 293 return node == spec->dac_node[dac_idx]; 294 } 295 spec->dac_node[dac_idx] = node; 296 if ((node->wid_caps & AC_WCAP_OUT_AMP) && 297 spec->pcm_vol_nodes < MAX_PCM_VOLS) { 298 spec->pcm_vol[spec->pcm_vol_nodes].node = node; 299 spec->pcm_vol[spec->pcm_vol_nodes].index = 0; 300 spec->pcm_vol_nodes++; 301 } 302 return 1; /* found */ 303 } 304 305 for (i = 0; i < node->nconns; i++) { 306 child = hda_get_node(spec, node->conn_list[i]); 307 if (! child) 308 continue; 309 err = parse_output_path(codec, spec, child, dac_idx); 310 if (err < 0) 311 return err; 312 else if (err > 0) { 313 /* found one, 314 * select the path, unmute both input and output 315 */ 316 if (node->nconns > 1) 317 select_input_connection(codec, node, i); 318 unmute_input(codec, node, i); 319 unmute_output(codec, node); 320 if (spec->dac_node[dac_idx] && 321 spec->pcm_vol_nodes < MAX_PCM_VOLS && 322 !(spec->dac_node[dac_idx]->wid_caps & 323 AC_WCAP_OUT_AMP)) { 324 if ((node->wid_caps & AC_WCAP_IN_AMP) || 325 (node->wid_caps & AC_WCAP_OUT_AMP)) { 326 int n = spec->pcm_vol_nodes; 327 spec->pcm_vol[n].node = node; 328 spec->pcm_vol[n].index = i; 329 spec->pcm_vol_nodes++; 330 } 331 } 332 return 1; 333 } 334 } 335 return 0; 336 } 337 338 /* 339 * Look for the output PIN widget with the given jack type 340 * and parse the output path to that PIN. 341 * 342 * Returns the PIN node when the path to DAC is established. 343 */ 344 static struct hda_gnode *parse_output_jack(struct hda_codec *codec, 345 struct hda_gspec *spec, 346 int jack_type) 347 { 348 struct hda_gnode *node; 349 int err; 350 351 list_for_each_entry(node, &spec->nid_list, list) { 352 if (node->type != AC_WID_PIN) 353 continue; 354 /* output capable? */ 355 if (! (node->pin_caps & AC_PINCAP_OUT)) 356 continue; 357 if (defcfg_port_conn(node) == AC_JACK_PORT_NONE) 358 continue; /* unconnected */ 359 if (jack_type >= 0) { 360 if (jack_type != defcfg_type(node)) 361 continue; 362 if (node->wid_caps & AC_WCAP_DIGITAL) 363 continue; /* skip SPDIF */ 364 } else { 365 /* output as default? */ 366 if (! (node->pin_ctl & AC_PINCTL_OUT_EN)) 367 continue; 368 } 369 clear_check_flags(spec); 370 err = parse_output_path(codec, spec, node, 0); 371 if (err < 0) 372 return NULL; 373 if (! err && spec->out_pin_node[0]) { 374 err = parse_output_path(codec, spec, node, 1); 375 if (err < 0) 376 return NULL; 377 } 378 if (err > 0) { 379 /* unmute the PIN output */ 380 unmute_output(codec, node); 381 /* set PIN-Out enable */ 382 snd_hda_codec_write_cache(codec, node->nid, 0, 383 AC_VERB_SET_PIN_WIDGET_CONTROL, 384 AC_PINCTL_OUT_EN | 385 ((node->pin_caps & AC_PINCAP_HP_DRV) ? 386 AC_PINCTL_HP_EN : 0)); 387 return node; 388 } 389 } 390 return NULL; 391 } 392 393 394 /* 395 * parse outputs 396 */ 397 static int parse_output(struct hda_codec *codec) 398 { 399 struct hda_gspec *spec = codec->spec; 400 struct hda_gnode *node; 401 402 /* 403 * Look for the output PIN widget 404 */ 405 /* first, look for the line-out pin */ 406 node = parse_output_jack(codec, spec, AC_JACK_LINE_OUT); 407 if (node) /* found, remember the PIN node */ 408 spec->out_pin_node[0] = node; 409 else { 410 /* if no line-out is found, try speaker out */ 411 node = parse_output_jack(codec, spec, AC_JACK_SPEAKER); 412 if (node) 413 spec->out_pin_node[0] = node; 414 } 415 /* look for the HP-out pin */ 416 node = parse_output_jack(codec, spec, AC_JACK_HP_OUT); 417 if (node) { 418 if (! spec->out_pin_node[0]) 419 spec->out_pin_node[0] = node; 420 else 421 spec->out_pin_node[1] = node; 422 } 423 424 if (! spec->out_pin_node[0]) { 425 /* no line-out or HP pins found, 426 * then choose for the first output pin 427 */ 428 spec->out_pin_node[0] = parse_output_jack(codec, spec, -1); 429 if (! spec->out_pin_node[0]) 430 snd_printd("hda_generic: no proper output path found\n"); 431 } 432 433 return 0; 434 } 435 436 /* 437 * input MUX 438 */ 439 440 /* control callbacks */ 441 static int capture_source_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 442 { 443 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 444 struct hda_gspec *spec = codec->spec; 445 return snd_hda_input_mux_info(&spec->input_mux, uinfo); 446 } 447 448 static int capture_source_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 449 { 450 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 451 struct hda_gspec *spec = codec->spec; 452 453 ucontrol->value.enumerated.item[0] = spec->cur_cap_src; 454 return 0; 455 } 456 457 static int capture_source_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 458 { 459 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 460 struct hda_gspec *spec = codec->spec; 461 return snd_hda_input_mux_put(codec, &spec->input_mux, ucontrol, 462 spec->adc_node->nid, &spec->cur_cap_src); 463 } 464 465 /* 466 * return the string name of the given input PIN widget 467 */ 468 static const char *get_input_type(struct hda_gnode *node, unsigned int *pinctl) 469 { 470 unsigned int location = defcfg_location(node); 471 switch (defcfg_type(node)) { 472 case AC_JACK_LINE_IN: 473 if ((location & 0x0f) == AC_JACK_LOC_FRONT) 474 return "Front Line"; 475 return "Line"; 476 case AC_JACK_CD: 477 #if 0 478 if (pinctl) 479 *pinctl |= AC_PINCTL_VREF_GRD; 480 #endif 481 return "CD"; 482 case AC_JACK_AUX: 483 if ((location & 0x0f) == AC_JACK_LOC_FRONT) 484 return "Front Aux"; 485 return "Aux"; 486 case AC_JACK_MIC_IN: 487 if (pinctl && 488 (node->pin_caps & 489 (AC_PINCAP_VREF_80 << AC_PINCAP_VREF_SHIFT))) 490 *pinctl |= AC_PINCTL_VREF_80; 491 if ((location & 0x0f) == AC_JACK_LOC_FRONT) 492 return "Front Mic"; 493 return "Mic"; 494 case AC_JACK_SPDIF_IN: 495 return "SPDIF"; 496 case AC_JACK_DIG_OTHER_IN: 497 return "Digital"; 498 } 499 return NULL; 500 } 501 502 /* 503 * parse the nodes recursively until reach to the input PIN 504 * 505 * returns 0 if not found, 1 if found, or a negative error code. 506 */ 507 static int parse_adc_sub_nodes(struct hda_codec *codec, struct hda_gspec *spec, 508 struct hda_gnode *node, int idx) 509 { 510 int i, err; 511 unsigned int pinctl; 512 const char *type; 513 514 if (node->checked) 515 return 0; 516 517 node->checked = 1; 518 if (node->type != AC_WID_PIN) { 519 for (i = 0; i < node->nconns; i++) { 520 struct hda_gnode *child; 521 child = hda_get_node(spec, node->conn_list[i]); 522 if (! child) 523 continue; 524 err = parse_adc_sub_nodes(codec, spec, child, idx); 525 if (err < 0) 526 return err; 527 if (err > 0) { 528 /* found one, 529 * select the path, unmute both input and output 530 */ 531 if (node->nconns > 1) 532 select_input_connection(codec, node, i); 533 unmute_input(codec, node, i); 534 unmute_output(codec, node); 535 return err; 536 } 537 } 538 return 0; 539 } 540 541 /* input capable? */ 542 if (! (node->pin_caps & AC_PINCAP_IN)) 543 return 0; 544 545 if (defcfg_port_conn(node) == AC_JACK_PORT_NONE) 546 return 0; /* unconnected */ 547 548 if (node->wid_caps & AC_WCAP_DIGITAL) 549 return 0; /* skip SPDIF */ 550 551 if (spec->input_mux.num_items >= HDA_MAX_NUM_INPUTS) { 552 snd_printk(KERN_ERR "hda_generic: Too many items for capture\n"); 553 return -EINVAL; 554 } 555 556 pinctl = AC_PINCTL_IN_EN; 557 /* create a proper capture source label */ 558 type = get_input_type(node, &pinctl); 559 if (! type) { 560 /* input as default? */ 561 if (! (node->pin_ctl & AC_PINCTL_IN_EN)) 562 return 0; 563 type = "Input"; 564 } 565 snd_hda_add_imux_item(&spec->input_mux, type, idx, NULL); 566 567 /* unmute the PIN external input */ 568 unmute_input(codec, node, 0); /* index = 0? */ 569 /* set PIN-In enable */ 570 snd_hda_codec_write_cache(codec, node->nid, 0, 571 AC_VERB_SET_PIN_WIDGET_CONTROL, pinctl); 572 573 return 1; /* found */ 574 } 575 576 /* 577 * parse input 578 */ 579 static int parse_input_path(struct hda_codec *codec, struct hda_gnode *adc_node) 580 { 581 struct hda_gspec *spec = codec->spec; 582 struct hda_gnode *node; 583 int i, err; 584 585 snd_printdd("AUD_IN = %x\n", adc_node->nid); 586 clear_check_flags(spec); 587 588 // awk added - fixed no recording due to muted widget 589 unmute_input(codec, adc_node, 0); 590 591 /* 592 * check each connection of the ADC 593 * if it reaches to a proper input PIN, add the path as the 594 * input path. 595 */ 596 /* first, check the direct connections to PIN widgets */ 597 for (i = 0; i < adc_node->nconns; i++) { 598 node = hda_get_node(spec, adc_node->conn_list[i]); 599 if (node && node->type == AC_WID_PIN) { 600 err = parse_adc_sub_nodes(codec, spec, node, i); 601 if (err < 0) 602 return err; 603 } 604 } 605 /* ... then check the rests, more complicated connections */ 606 for (i = 0; i < adc_node->nconns; i++) { 607 node = hda_get_node(spec, adc_node->conn_list[i]); 608 if (node && node->type != AC_WID_PIN) { 609 err = parse_adc_sub_nodes(codec, spec, node, i); 610 if (err < 0) 611 return err; 612 } 613 } 614 615 if (! spec->input_mux.num_items) 616 return 0; /* no input path found... */ 617 618 snd_printdd("[Capture Source] NID=0x%x, #SRC=%d\n", adc_node->nid, spec->input_mux.num_items); 619 for (i = 0; i < spec->input_mux.num_items; i++) 620 snd_printdd(" [%s] IDX=0x%x\n", spec->input_mux.items[i].label, 621 spec->input_mux.items[i].index); 622 623 spec->adc_node = adc_node; 624 return 1; 625 } 626 627 /* 628 * parse input 629 */ 630 static int parse_input(struct hda_codec *codec) 631 { 632 struct hda_gspec *spec = codec->spec; 633 struct hda_gnode *node; 634 int err; 635 636 /* 637 * At first we look for an audio input widget. 638 * If it reaches to certain input PINs, we take it as the 639 * input path. 640 */ 641 list_for_each_entry(node, &spec->nid_list, list) { 642 if (node->wid_caps & AC_WCAP_DIGITAL) 643 continue; /* skip SPDIF */ 644 if (node->type == AC_WID_AUD_IN) { 645 err = parse_input_path(codec, node); 646 if (err < 0) 647 return err; 648 else if (err > 0) 649 return 0; 650 } 651 } 652 snd_printd("hda_generic: no proper input path found\n"); 653 return 0; 654 } 655 656 #ifdef CONFIG_SND_HDA_POWER_SAVE 657 static void add_input_loopback(struct hda_codec *codec, hda_nid_t nid, 658 int dir, int idx) 659 { 660 struct hda_gspec *spec = codec->spec; 661 struct hda_amp_list *p; 662 663 if (spec->num_loopbacks >= MAX_LOOPBACK_AMPS) { 664 snd_printk(KERN_ERR "hda_generic: Too many loopback ctls\n"); 665 return; 666 } 667 p = &spec->loopback_list[spec->num_loopbacks++]; 668 p->nid = nid; 669 p->dir = dir; 670 p->idx = idx; 671 spec->loopback.amplist = spec->loopback_list; 672 } 673 #else 674 #define add_input_loopback(codec,nid,dir,idx) 675 #endif 676 677 /* 678 * create mixer controls if possible 679 */ 680 static int create_mixer(struct hda_codec *codec, struct hda_gnode *node, 681 unsigned int index, const char *type, 682 const char *dir_sfx, int is_loopback) 683 { 684 char name[32]; 685 int err; 686 int created = 0; 687 struct snd_kcontrol_new knew; 688 689 if (type) 690 sprintf(name, "%s %s Switch", type, dir_sfx); 691 else 692 sprintf(name, "%s Switch", dir_sfx); 693 if ((node->wid_caps & AC_WCAP_IN_AMP) && 694 (node->amp_in_caps & AC_AMPCAP_MUTE)) { 695 knew = (struct snd_kcontrol_new)HDA_CODEC_MUTE(name, node->nid, index, HDA_INPUT); 696 if (is_loopback) 697 add_input_loopback(codec, node->nid, HDA_INPUT, index); 698 snd_printdd("[%s] NID=0x%x, DIR=IN, IDX=0x%x\n", name, node->nid, index); 699 err = snd_hda_ctl_add(codec, node->nid, 700 snd_ctl_new1(&knew, codec)); 701 if (err < 0) 702 return err; 703 created = 1; 704 } else if ((node->wid_caps & AC_WCAP_OUT_AMP) && 705 (node->amp_out_caps & AC_AMPCAP_MUTE)) { 706 knew = (struct snd_kcontrol_new)HDA_CODEC_MUTE(name, node->nid, 0, HDA_OUTPUT); 707 if (is_loopback) 708 add_input_loopback(codec, node->nid, HDA_OUTPUT, 0); 709 snd_printdd("[%s] NID=0x%x, DIR=OUT\n", name, node->nid); 710 err = snd_hda_ctl_add(codec, node->nid, 711 snd_ctl_new1(&knew, codec)); 712 if (err < 0) 713 return err; 714 created = 1; 715 } 716 717 if (type) 718 sprintf(name, "%s %s Volume", type, dir_sfx); 719 else 720 sprintf(name, "%s Volume", dir_sfx); 721 if ((node->wid_caps & AC_WCAP_IN_AMP) && 722 (node->amp_in_caps & AC_AMPCAP_NUM_STEPS)) { 723 knew = (struct snd_kcontrol_new)HDA_CODEC_VOLUME(name, node->nid, index, HDA_INPUT); 724 snd_printdd("[%s] NID=0x%x, DIR=IN, IDX=0x%x\n", name, node->nid, index); 725 err = snd_hda_ctl_add(codec, node->nid, 726 snd_ctl_new1(&knew, codec)); 727 if (err < 0) 728 return err; 729 created = 1; 730 } else if ((node->wid_caps & AC_WCAP_OUT_AMP) && 731 (node->amp_out_caps & AC_AMPCAP_NUM_STEPS)) { 732 knew = (struct snd_kcontrol_new)HDA_CODEC_VOLUME(name, node->nid, 0, HDA_OUTPUT); 733 snd_printdd("[%s] NID=0x%x, DIR=OUT\n", name, node->nid); 734 err = snd_hda_ctl_add(codec, node->nid, 735 snd_ctl_new1(&knew, codec)); 736 if (err < 0) 737 return err; 738 created = 1; 739 } 740 741 return created; 742 } 743 744 /* 745 * check whether the controls with the given name and direction suffix already exist 746 */ 747 static int check_existing_control(struct hda_codec *codec, const char *type, const char *dir) 748 { 749 struct snd_ctl_elem_id id; 750 memset(&id, 0, sizeof(id)); 751 sprintf(id.name, "%s %s Volume", type, dir); 752 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 753 if (snd_ctl_find_id(codec->bus->card, &id)) 754 return 1; 755 sprintf(id.name, "%s %s Switch", type, dir); 756 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 757 if (snd_ctl_find_id(codec->bus->card, &id)) 758 return 1; 759 return 0; 760 } 761 762 /* 763 * build output mixer controls 764 */ 765 static int create_output_mixers(struct hda_codec *codec, 766 const char * const *names) 767 { 768 struct hda_gspec *spec = codec->spec; 769 int i, err; 770 771 for (i = 0; i < spec->pcm_vol_nodes; i++) { 772 err = create_mixer(codec, spec->pcm_vol[i].node, 773 spec->pcm_vol[i].index, 774 names[i], "Playback", 0); 775 if (err < 0) 776 return err; 777 } 778 return 0; 779 } 780 781 static int build_output_controls(struct hda_codec *codec) 782 { 783 struct hda_gspec *spec = codec->spec; 784 static const char * const types_speaker[] = { "Speaker", "Headphone" }; 785 static const char * const types_line[] = { "Front", "Headphone" }; 786 787 switch (spec->pcm_vol_nodes) { 788 case 1: 789 return create_mixer(codec, spec->pcm_vol[0].node, 790 spec->pcm_vol[0].index, 791 "Master", "Playback", 0); 792 case 2: 793 if (defcfg_type(spec->out_pin_node[0]) == AC_JACK_SPEAKER) 794 return create_output_mixers(codec, types_speaker); 795 else 796 return create_output_mixers(codec, types_line); 797 } 798 return 0; 799 } 800 801 /* create capture volume/switch */ 802 static int build_input_controls(struct hda_codec *codec) 803 { 804 struct hda_gspec *spec = codec->spec; 805 struct hda_gnode *adc_node = spec->adc_node; 806 int i, err; 807 static struct snd_kcontrol_new cap_sel = { 808 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 809 .name = "Capture Source", 810 .info = capture_source_info, 811 .get = capture_source_get, 812 .put = capture_source_put, 813 }; 814 815 if (! adc_node || ! spec->input_mux.num_items) 816 return 0; /* not found */ 817 818 spec->cur_cap_src = 0; 819 select_input_connection(codec, adc_node, 820 spec->input_mux.items[0].index); 821 822 /* create capture volume and switch controls if the ADC has an amp */ 823 /* do we have only a single item? */ 824 if (spec->input_mux.num_items == 1) { 825 err = create_mixer(codec, adc_node, 826 spec->input_mux.items[0].index, 827 NULL, "Capture", 0); 828 if (err < 0) 829 return err; 830 return 0; 831 } 832 833 /* create input MUX if multiple sources are available */ 834 err = snd_hda_ctl_add(codec, spec->adc_node->nid, 835 snd_ctl_new1(&cap_sel, codec)); 836 if (err < 0) 837 return err; 838 839 /* no volume control? */ 840 if (! (adc_node->wid_caps & AC_WCAP_IN_AMP) || 841 ! (adc_node->amp_in_caps & AC_AMPCAP_NUM_STEPS)) 842 return 0; 843 844 for (i = 0; i < spec->input_mux.num_items; i++) { 845 struct snd_kcontrol_new knew; 846 char name[32]; 847 sprintf(name, "%s Capture Volume", 848 spec->input_mux.items[i].label); 849 knew = (struct snd_kcontrol_new) 850 HDA_CODEC_VOLUME(name, adc_node->nid, 851 spec->input_mux.items[i].index, 852 HDA_INPUT); 853 err = snd_hda_ctl_add(codec, adc_node->nid, 854 snd_ctl_new1(&knew, codec)); 855 if (err < 0) 856 return err; 857 } 858 859 return 0; 860 } 861 862 863 /* 864 * parse the nodes recursively until reach to the output PIN. 865 * 866 * returns 0 - if not found, 867 * 1 - if found, but no mixer is created 868 * 2 - if found and mixer was already created, (just skip) 869 * a negative error code 870 */ 871 static int parse_loopback_path(struct hda_codec *codec, struct hda_gspec *spec, 872 struct hda_gnode *node, struct hda_gnode *dest_node, 873 const char *type) 874 { 875 int i, err; 876 877 if (node->checked) 878 return 0; 879 880 node->checked = 1; 881 if (node == dest_node) { 882 /* loopback connection found */ 883 return 1; 884 } 885 886 for (i = 0; i < node->nconns; i++) { 887 struct hda_gnode *child = hda_get_node(spec, node->conn_list[i]); 888 if (! child) 889 continue; 890 err = parse_loopback_path(codec, spec, child, dest_node, type); 891 if (err < 0) 892 return err; 893 else if (err >= 1) { 894 if (err == 1) { 895 err = create_mixer(codec, node, i, type, 896 "Playback", 1); 897 if (err < 0) 898 return err; 899 if (err > 0) 900 return 2; /* ok, created */ 901 /* not created, maybe in the lower path */ 902 err = 1; 903 } 904 /* connect and unmute */ 905 if (node->nconns > 1) 906 select_input_connection(codec, node, i); 907 unmute_input(codec, node, i); 908 unmute_output(codec, node); 909 return err; 910 } 911 } 912 return 0; 913 } 914 915 /* 916 * parse the tree and build the loopback controls 917 */ 918 static int build_loopback_controls(struct hda_codec *codec) 919 { 920 struct hda_gspec *spec = codec->spec; 921 struct hda_gnode *node; 922 int err; 923 const char *type; 924 925 if (! spec->out_pin_node[0]) 926 return 0; 927 928 list_for_each_entry(node, &spec->nid_list, list) { 929 if (node->type != AC_WID_PIN) 930 continue; 931 /* input capable? */ 932 if (! (node->pin_caps & AC_PINCAP_IN)) 933 return 0; 934 type = get_input_type(node, NULL); 935 if (type) { 936 if (check_existing_control(codec, type, "Playback")) 937 continue; 938 clear_check_flags(spec); 939 err = parse_loopback_path(codec, spec, 940 spec->out_pin_node[0], 941 node, type); 942 if (err < 0) 943 return err; 944 if (! err) 945 continue; 946 } 947 } 948 return 0; 949 } 950 951 /* 952 * build mixer controls 953 */ 954 static int build_generic_controls(struct hda_codec *codec) 955 { 956 int err; 957 958 if ((err = build_input_controls(codec)) < 0 || 959 (err = build_output_controls(codec)) < 0 || 960 (err = build_loopback_controls(codec)) < 0) 961 return err; 962 963 return 0; 964 } 965 966 /* 967 * PCM 968 */ 969 static struct hda_pcm_stream generic_pcm_playback = { 970 .substreams = 1, 971 .channels_min = 2, 972 .channels_max = 2, 973 }; 974 975 static int generic_pcm2_prepare(struct hda_pcm_stream *hinfo, 976 struct hda_codec *codec, 977 unsigned int stream_tag, 978 unsigned int format, 979 struct snd_pcm_substream *substream) 980 { 981 struct hda_gspec *spec = codec->spec; 982 983 snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format); 984 snd_hda_codec_setup_stream(codec, spec->dac_node[1]->nid, 985 stream_tag, 0, format); 986 return 0; 987 } 988 989 static int generic_pcm2_cleanup(struct hda_pcm_stream *hinfo, 990 struct hda_codec *codec, 991 struct snd_pcm_substream *substream) 992 { 993 struct hda_gspec *spec = codec->spec; 994 995 snd_hda_codec_cleanup_stream(codec, hinfo->nid); 996 snd_hda_codec_cleanup_stream(codec, spec->dac_node[1]->nid); 997 return 0; 998 } 999 1000 static int build_generic_pcms(struct hda_codec *codec) 1001 { 1002 struct hda_gspec *spec = codec->spec; 1003 struct hda_pcm *info = &spec->pcm_rec; 1004 1005 if (! spec->dac_node[0] && ! spec->adc_node) { 1006 snd_printd("hda_generic: no PCM found\n"); 1007 return 0; 1008 } 1009 1010 codec->num_pcms = 1; 1011 codec->pcm_info = info; 1012 1013 info->name = "HDA Generic"; 1014 if (spec->dac_node[0]) { 1015 info->stream[0] = generic_pcm_playback; 1016 info->stream[0].nid = spec->dac_node[0]->nid; 1017 if (spec->dac_node[1]) { 1018 info->stream[0].ops.prepare = generic_pcm2_prepare; 1019 info->stream[0].ops.cleanup = generic_pcm2_cleanup; 1020 } 1021 } 1022 if (spec->adc_node) { 1023 info->stream[1] = generic_pcm_playback; 1024 info->stream[1].nid = spec->adc_node->nid; 1025 } 1026 1027 return 0; 1028 } 1029 1030 #ifdef CONFIG_SND_HDA_POWER_SAVE 1031 static int generic_check_power_status(struct hda_codec *codec, hda_nid_t nid) 1032 { 1033 struct hda_gspec *spec = codec->spec; 1034 return snd_hda_check_amp_list_power(codec, &spec->loopback, nid); 1035 } 1036 #endif 1037 1038 1039 /* 1040 */ 1041 static struct hda_codec_ops generic_patch_ops = { 1042 .build_controls = build_generic_controls, 1043 .build_pcms = build_generic_pcms, 1044 .free = snd_hda_generic_free, 1045 #ifdef CONFIG_SND_HDA_POWER_SAVE 1046 .check_power_status = generic_check_power_status, 1047 #endif 1048 }; 1049 1050 /* 1051 * the generic parser 1052 */ 1053 int snd_hda_parse_generic_codec(struct hda_codec *codec) 1054 { 1055 struct hda_gspec *spec; 1056 int err; 1057 1058 if(!codec->afg) 1059 return 0; 1060 1061 spec = kzalloc(sizeof(*spec), GFP_KERNEL); 1062 if (spec == NULL) { 1063 printk(KERN_ERR "hda_generic: can't allocate spec\n"); 1064 return -ENOMEM; 1065 } 1066 codec->spec = spec; 1067 INIT_LIST_HEAD(&spec->nid_list); 1068 1069 if ((err = build_afg_tree(codec)) < 0) 1070 goto error; 1071 1072 if ((err = parse_input(codec)) < 0 || 1073 (err = parse_output(codec)) < 0) 1074 goto error; 1075 1076 codec->patch_ops = generic_patch_ops; 1077 1078 return 0; 1079 1080 error: 1081 snd_hda_generic_free(codec); 1082 return err; 1083 } 1084 EXPORT_SYMBOL(snd_hda_parse_generic_codec); 1085