1/* 2 * PMac Tumbler/Snapper lowlevel functions 3 * 4 * Copyright (c) by Takashi Iwai <tiwai@suse.de> 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 19 * 20 * Rene Rebe <rene.rebe@gmx.net>: 21 * * update from shadow registers on wakeup and headphone plug 22 * * automatically toggle DRC on headphone plug 23 * 24 */ 25 26 27#include <linux/init.h> 28#include <linux/delay.h> 29#include <linux/i2c.h> 30#include <linux/kmod.h> 31#include <linux/slab.h> 32#include <linux/interrupt.h> 33#include <linux/string.h> 34#include <sound/core.h> 35#include <asm/io.h> 36#include <asm/irq.h> 37#include <asm/machdep.h> 38#include <asm/pmac_feature.h> 39#include "pmac.h" 40#include "tumbler_volume.h" 41 42#undef DEBUG 43 44#ifdef DEBUG 45#define DBG(fmt...) printk(KERN_DEBUG fmt) 46#else 47#define DBG(fmt...) 48#endif 49 50#define IS_G4DA (of_machine_is_compatible("PowerMac3,4")) 51 52/* i2c address for tumbler */ 53#define TAS_I2C_ADDR 0x34 54 55/* registers */ 56#define TAS_REG_MCS 0x01 /* main control */ 57#define TAS_REG_DRC 0x02 58#define TAS_REG_VOL 0x04 59#define TAS_REG_TREBLE 0x05 60#define TAS_REG_BASS 0x06 61#define TAS_REG_INPUT1 0x07 62#define TAS_REG_INPUT2 0x08 63 64/* tas3001c */ 65#define TAS_REG_PCM TAS_REG_INPUT1 66 67/* tas3004 */ 68#define TAS_REG_LMIX TAS_REG_INPUT1 69#define TAS_REG_RMIX TAS_REG_INPUT2 70#define TAS_REG_MCS2 0x43 /* main control 2 */ 71#define TAS_REG_ACS 0x40 /* analog control */ 72 73/* mono volumes for tas3001c/tas3004 */ 74enum { 75 VOL_IDX_PCM_MONO, /* tas3001c only */ 76 VOL_IDX_BASS, VOL_IDX_TREBLE, 77 VOL_IDX_LAST_MONO 78}; 79 80/* stereo volumes for tas3004 */ 81enum { 82 VOL_IDX_PCM, VOL_IDX_PCM2, VOL_IDX_ADC, 83 VOL_IDX_LAST_MIX 84}; 85 86struct pmac_gpio { 87 unsigned int addr; 88 u8 active_val; 89 u8 inactive_val; 90 u8 active_state; 91}; 92 93struct pmac_tumbler { 94 struct pmac_keywest i2c; 95 struct pmac_gpio audio_reset; 96 struct pmac_gpio amp_mute; 97 struct pmac_gpio line_mute; 98 struct pmac_gpio line_detect; 99 struct pmac_gpio hp_mute; 100 struct pmac_gpio hp_detect; 101 int headphone_irq; 102 int lineout_irq; 103 unsigned int save_master_vol[2]; 104 unsigned int master_vol[2]; 105 unsigned int save_master_switch[2]; 106 unsigned int master_switch[2]; 107 unsigned int mono_vol[VOL_IDX_LAST_MONO]; 108 unsigned int mix_vol[VOL_IDX_LAST_MIX][2]; /* stereo volumes for tas3004 */ 109 int drc_range; 110 int drc_enable; 111 int capture_source; 112 int anded_reset; 113 int auto_mute_notify; 114 int reset_on_sleep; 115 u8 acs; 116}; 117 118 119/* 120 */ 121 122static int send_init_client(struct pmac_keywest *i2c, unsigned int *regs) 123{ 124 while (*regs > 0) { 125 int err, count = 10; 126 do { 127 err = i2c_smbus_write_byte_data(i2c->client, 128 regs[0], regs[1]); 129 if (err >= 0) 130 break; 131 DBG("(W) i2c error %d\n", err); 132 mdelay(10); 133 } while (count--); 134 if (err < 0) 135 return -ENXIO; 136 regs += 2; 137 } 138 return 0; 139} 140 141 142static int tumbler_init_client(struct pmac_keywest *i2c) 143{ 144 static unsigned int regs[] = { 145 /* normal operation, SCLK=64fps, i2s output, i2s input, 16bit width */ 146 TAS_REG_MCS, (1<<6)|(2<<4)|(2<<2)|0, 147 0, /* terminator */ 148 }; 149 DBG("(I) tumbler init client\n"); 150 return send_init_client(i2c, regs); 151} 152 153static int snapper_init_client(struct pmac_keywest *i2c) 154{ 155 static unsigned int regs[] = { 156 /* normal operation, SCLK=64fps, i2s output, 16bit width */ 157 TAS_REG_MCS, (1<<6)|(2<<4)|0, 158 /* normal operation, all-pass mode */ 159 TAS_REG_MCS2, (1<<1), 160 /* normal output, no deemphasis, A input, power-up, line-in */ 161 TAS_REG_ACS, 0, 162 0, /* terminator */ 163 }; 164 DBG("(I) snapper init client\n"); 165 return send_init_client(i2c, regs); 166} 167 168/* 169 * gpio access 170 */ 171#define do_gpio_write(gp, val) \ 172 pmac_call_feature(PMAC_FTR_WRITE_GPIO, NULL, (gp)->addr, val) 173#define do_gpio_read(gp) \ 174 pmac_call_feature(PMAC_FTR_READ_GPIO, NULL, (gp)->addr, 0) 175#define tumbler_gpio_free(gp) /* NOP */ 176 177static void write_audio_gpio(struct pmac_gpio *gp, int active) 178{ 179 if (! gp->addr) 180 return; 181 active = active ? gp->active_val : gp->inactive_val; 182 do_gpio_write(gp, active); 183 DBG("(I) gpio %x write %d\n", gp->addr, active); 184} 185 186static int check_audio_gpio(struct pmac_gpio *gp) 187{ 188 int ret; 189 190 if (! gp->addr) 191 return 0; 192 193 ret = do_gpio_read(gp); 194 195 return (ret & 0x1) == (gp->active_val & 0x1); 196} 197 198static int read_audio_gpio(struct pmac_gpio *gp) 199{ 200 int ret; 201 if (! gp->addr) 202 return 0; 203 ret = do_gpio_read(gp); 204 ret = (ret & 0x02) !=0; 205 return ret == gp->active_state; 206} 207 208/* 209 * update master volume 210 */ 211static int tumbler_set_master_volume(struct pmac_tumbler *mix) 212{ 213 unsigned char block[6]; 214 unsigned int left_vol, right_vol; 215 216 if (! mix->i2c.client) 217 return -ENODEV; 218 219 if (! mix->master_switch[0]) 220 left_vol = 0; 221 else { 222 left_vol = mix->master_vol[0]; 223 if (left_vol >= ARRAY_SIZE(master_volume_table)) 224 left_vol = ARRAY_SIZE(master_volume_table) - 1; 225 left_vol = master_volume_table[left_vol]; 226 } 227 if (! mix->master_switch[1]) 228 right_vol = 0; 229 else { 230 right_vol = mix->master_vol[1]; 231 if (right_vol >= ARRAY_SIZE(master_volume_table)) 232 right_vol = ARRAY_SIZE(master_volume_table) - 1; 233 right_vol = master_volume_table[right_vol]; 234 } 235 236 block[0] = (left_vol >> 16) & 0xff; 237 block[1] = (left_vol >> 8) & 0xff; 238 block[2] = (left_vol >> 0) & 0xff; 239 240 block[3] = (right_vol >> 16) & 0xff; 241 block[4] = (right_vol >> 8) & 0xff; 242 block[5] = (right_vol >> 0) & 0xff; 243 244 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_VOL, 6, 245 block) < 0) { 246 snd_printk(KERN_ERR "failed to set volume \n"); 247 return -EINVAL; 248 } 249 DBG("(I) succeeded to set volume (%u, %u)\n", left_vol, right_vol); 250 return 0; 251} 252 253 254/* output volume */ 255static int tumbler_info_master_volume(struct snd_kcontrol *kcontrol, 256 struct snd_ctl_elem_info *uinfo) 257{ 258 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 259 uinfo->count = 2; 260 uinfo->value.integer.min = 0; 261 uinfo->value.integer.max = ARRAY_SIZE(master_volume_table) - 1; 262 return 0; 263} 264 265static int tumbler_get_master_volume(struct snd_kcontrol *kcontrol, 266 struct snd_ctl_elem_value *ucontrol) 267{ 268 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 269 struct pmac_tumbler *mix = chip->mixer_data; 270 271 ucontrol->value.integer.value[0] = mix->master_vol[0]; 272 ucontrol->value.integer.value[1] = mix->master_vol[1]; 273 return 0; 274} 275 276static int tumbler_put_master_volume(struct snd_kcontrol *kcontrol, 277 struct snd_ctl_elem_value *ucontrol) 278{ 279 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 280 struct pmac_tumbler *mix = chip->mixer_data; 281 unsigned int vol[2]; 282 int change; 283 284 vol[0] = ucontrol->value.integer.value[0]; 285 vol[1] = ucontrol->value.integer.value[1]; 286 if (vol[0] >= ARRAY_SIZE(master_volume_table) || 287 vol[1] >= ARRAY_SIZE(master_volume_table)) 288 return -EINVAL; 289 change = mix->master_vol[0] != vol[0] || 290 mix->master_vol[1] != vol[1]; 291 if (change) { 292 mix->master_vol[0] = vol[0]; 293 mix->master_vol[1] = vol[1]; 294 tumbler_set_master_volume(mix); 295 } 296 return change; 297} 298 299/* output switch */ 300static int tumbler_get_master_switch(struct snd_kcontrol *kcontrol, 301 struct snd_ctl_elem_value *ucontrol) 302{ 303 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 304 struct pmac_tumbler *mix = chip->mixer_data; 305 306 ucontrol->value.integer.value[0] = mix->master_switch[0]; 307 ucontrol->value.integer.value[1] = mix->master_switch[1]; 308 return 0; 309} 310 311static int tumbler_put_master_switch(struct snd_kcontrol *kcontrol, 312 struct snd_ctl_elem_value *ucontrol) 313{ 314 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 315 struct pmac_tumbler *mix = chip->mixer_data; 316 int change; 317 318 change = mix->master_switch[0] != ucontrol->value.integer.value[0] || 319 mix->master_switch[1] != ucontrol->value.integer.value[1]; 320 if (change) { 321 mix->master_switch[0] = !!ucontrol->value.integer.value[0]; 322 mix->master_switch[1] = !!ucontrol->value.integer.value[1]; 323 tumbler_set_master_volume(mix); 324 } 325 return change; 326} 327 328 329/* 330 * TAS3001c dynamic range compression 331 */ 332 333#define TAS3001_DRC_MAX 0x5f 334 335static int tumbler_set_drc(struct pmac_tumbler *mix) 336{ 337 unsigned char val[2]; 338 339 if (! mix->i2c.client) 340 return -ENODEV; 341 342 if (mix->drc_enable) { 343 val[0] = 0xc1; /* enable, 3:1 compression */ 344 if (mix->drc_range > TAS3001_DRC_MAX) 345 val[1] = 0xf0; 346 else if (mix->drc_range < 0) 347 val[1] = 0x91; 348 else 349 val[1] = mix->drc_range + 0x91; 350 } else { 351 val[0] = 0; 352 val[1] = 0; 353 } 354 355 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_DRC, 356 2, val) < 0) { 357 snd_printk(KERN_ERR "failed to set DRC\n"); 358 return -EINVAL; 359 } 360 DBG("(I) succeeded to set DRC (%u, %u)\n", val[0], val[1]); 361 return 0; 362} 363 364/* 365 * TAS3004 366 */ 367 368#define TAS3004_DRC_MAX 0xef 369 370static int snapper_set_drc(struct pmac_tumbler *mix) 371{ 372 unsigned char val[6]; 373 374 if (! mix->i2c.client) 375 return -ENODEV; 376 377 if (mix->drc_enable) 378 val[0] = 0x50; /* 3:1 above threshold */ 379 else 380 val[0] = 0x51; /* disabled */ 381 val[1] = 0x02; /* 1:1 below threshold */ 382 if (mix->drc_range > 0xef) 383 val[2] = 0xef; 384 else if (mix->drc_range < 0) 385 val[2] = 0x00; 386 else 387 val[2] = mix->drc_range; 388 val[3] = 0xb0; 389 val[4] = 0x60; 390 val[5] = 0xa0; 391 392 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_DRC, 393 6, val) < 0) { 394 snd_printk(KERN_ERR "failed to set DRC\n"); 395 return -EINVAL; 396 } 397 DBG("(I) succeeded to set DRC (%u, %u)\n", val[0], val[1]); 398 return 0; 399} 400 401static int tumbler_info_drc_value(struct snd_kcontrol *kcontrol, 402 struct snd_ctl_elem_info *uinfo) 403{ 404 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 405 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 406 uinfo->count = 1; 407 uinfo->value.integer.min = 0; 408 uinfo->value.integer.max = 409 chip->model == PMAC_TUMBLER ? TAS3001_DRC_MAX : TAS3004_DRC_MAX; 410 return 0; 411} 412 413static int tumbler_get_drc_value(struct snd_kcontrol *kcontrol, 414 struct snd_ctl_elem_value *ucontrol) 415{ 416 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 417 struct pmac_tumbler *mix; 418 if (! (mix = chip->mixer_data)) 419 return -ENODEV; 420 ucontrol->value.integer.value[0] = mix->drc_range; 421 return 0; 422} 423 424static int tumbler_put_drc_value(struct snd_kcontrol *kcontrol, 425 struct snd_ctl_elem_value *ucontrol) 426{ 427 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 428 struct pmac_tumbler *mix; 429 unsigned int val; 430 int change; 431 432 if (! (mix = chip->mixer_data)) 433 return -ENODEV; 434 val = ucontrol->value.integer.value[0]; 435 if (chip->model == PMAC_TUMBLER) { 436 if (val > TAS3001_DRC_MAX) 437 return -EINVAL; 438 } else { 439 if (val > TAS3004_DRC_MAX) 440 return -EINVAL; 441 } 442 change = mix->drc_range != val; 443 if (change) { 444 mix->drc_range = val; 445 if (chip->model == PMAC_TUMBLER) 446 tumbler_set_drc(mix); 447 else 448 snapper_set_drc(mix); 449 } 450 return change; 451} 452 453static int tumbler_get_drc_switch(struct snd_kcontrol *kcontrol, 454 struct snd_ctl_elem_value *ucontrol) 455{ 456 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 457 struct pmac_tumbler *mix; 458 if (! (mix = chip->mixer_data)) 459 return -ENODEV; 460 ucontrol->value.integer.value[0] = mix->drc_enable; 461 return 0; 462} 463 464static int tumbler_put_drc_switch(struct snd_kcontrol *kcontrol, 465 struct snd_ctl_elem_value *ucontrol) 466{ 467 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 468 struct pmac_tumbler *mix; 469 int change; 470 471 if (! (mix = chip->mixer_data)) 472 return -ENODEV; 473 change = mix->drc_enable != ucontrol->value.integer.value[0]; 474 if (change) { 475 mix->drc_enable = !!ucontrol->value.integer.value[0]; 476 if (chip->model == PMAC_TUMBLER) 477 tumbler_set_drc(mix); 478 else 479 snapper_set_drc(mix); 480 } 481 return change; 482} 483 484 485/* 486 * mono volumes 487 */ 488 489struct tumbler_mono_vol { 490 int index; 491 int reg; 492 int bytes; 493 unsigned int max; 494 unsigned int *table; 495}; 496 497static int tumbler_set_mono_volume(struct pmac_tumbler *mix, 498 struct tumbler_mono_vol *info) 499{ 500 unsigned char block[4]; 501 unsigned int vol; 502 int i; 503 504 if (! mix->i2c.client) 505 return -ENODEV; 506 507 vol = mix->mono_vol[info->index]; 508 if (vol >= info->max) 509 vol = info->max - 1; 510 vol = info->table[vol]; 511 for (i = 0; i < info->bytes; i++) 512 block[i] = (vol >> ((info->bytes - i - 1) * 8)) & 0xff; 513 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, info->reg, 514 info->bytes, block) < 0) { 515 snd_printk(KERN_ERR "failed to set mono volume %d\n", 516 info->index); 517 return -EINVAL; 518 } 519 return 0; 520} 521 522static int tumbler_info_mono(struct snd_kcontrol *kcontrol, 523 struct snd_ctl_elem_info *uinfo) 524{ 525 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value; 526 527 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 528 uinfo->count = 1; 529 uinfo->value.integer.min = 0; 530 uinfo->value.integer.max = info->max - 1; 531 return 0; 532} 533 534static int tumbler_get_mono(struct snd_kcontrol *kcontrol, 535 struct snd_ctl_elem_value *ucontrol) 536{ 537 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value; 538 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 539 struct pmac_tumbler *mix; 540 if (! (mix = chip->mixer_data)) 541 return -ENODEV; 542 ucontrol->value.integer.value[0] = mix->mono_vol[info->index]; 543 return 0; 544} 545 546static int tumbler_put_mono(struct snd_kcontrol *kcontrol, 547 struct snd_ctl_elem_value *ucontrol) 548{ 549 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value; 550 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 551 struct pmac_tumbler *mix; 552 unsigned int vol; 553 int change; 554 555 if (! (mix = chip->mixer_data)) 556 return -ENODEV; 557 vol = ucontrol->value.integer.value[0]; 558 if (vol >= info->max) 559 return -EINVAL; 560 change = mix->mono_vol[info->index] != vol; 561 if (change) { 562 mix->mono_vol[info->index] = vol; 563 tumbler_set_mono_volume(mix, info); 564 } 565 return change; 566} 567 568/* TAS3001c mono volumes */ 569static struct tumbler_mono_vol tumbler_pcm_vol_info = { 570 .index = VOL_IDX_PCM_MONO, 571 .reg = TAS_REG_PCM, 572 .bytes = 3, 573 .max = ARRAY_SIZE(mixer_volume_table), 574 .table = mixer_volume_table, 575}; 576 577static struct tumbler_mono_vol tumbler_bass_vol_info = { 578 .index = VOL_IDX_BASS, 579 .reg = TAS_REG_BASS, 580 .bytes = 1, 581 .max = ARRAY_SIZE(bass_volume_table), 582 .table = bass_volume_table, 583}; 584 585static struct tumbler_mono_vol tumbler_treble_vol_info = { 586 .index = VOL_IDX_TREBLE, 587 .reg = TAS_REG_TREBLE, 588 .bytes = 1, 589 .max = ARRAY_SIZE(treble_volume_table), 590 .table = treble_volume_table, 591}; 592 593/* TAS3004 mono volumes */ 594static struct tumbler_mono_vol snapper_bass_vol_info = { 595 .index = VOL_IDX_BASS, 596 .reg = TAS_REG_BASS, 597 .bytes = 1, 598 .max = ARRAY_SIZE(snapper_bass_volume_table), 599 .table = snapper_bass_volume_table, 600}; 601 602static struct tumbler_mono_vol snapper_treble_vol_info = { 603 .index = VOL_IDX_TREBLE, 604 .reg = TAS_REG_TREBLE, 605 .bytes = 1, 606 .max = ARRAY_SIZE(snapper_treble_volume_table), 607 .table = snapper_treble_volume_table, 608}; 609 610 611#define DEFINE_MONO(xname,type) { \ 612 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\ 613 .name = xname, \ 614 .info = tumbler_info_mono, \ 615 .get = tumbler_get_mono, \ 616 .put = tumbler_put_mono, \ 617 .private_value = (unsigned long)(&tumbler_##type##_vol_info), \ 618} 619 620#define DEFINE_SNAPPER_MONO(xname,type) { \ 621 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\ 622 .name = xname, \ 623 .info = tumbler_info_mono, \ 624 .get = tumbler_get_mono, \ 625 .put = tumbler_put_mono, \ 626 .private_value = (unsigned long)(&snapper_##type##_vol_info), \ 627} 628 629 630/* 631 * snapper mixer volumes 632 */ 633 634static int snapper_set_mix_vol1(struct pmac_tumbler *mix, int idx, int ch, int reg) 635{ 636 int i, j, vol; 637 unsigned char block[9]; 638 639 vol = mix->mix_vol[idx][ch]; 640 if (vol >= ARRAY_SIZE(mixer_volume_table)) { 641 vol = ARRAY_SIZE(mixer_volume_table) - 1; 642 mix->mix_vol[idx][ch] = vol; 643 } 644 645 for (i = 0; i < 3; i++) { 646 vol = mix->mix_vol[i][ch]; 647 vol = mixer_volume_table[vol]; 648 for (j = 0; j < 3; j++) 649 block[i * 3 + j] = (vol >> ((2 - j) * 8)) & 0xff; 650 } 651 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, reg, 652 9, block) < 0) { 653 snd_printk(KERN_ERR "failed to set mono volume %d\n", reg); 654 return -EINVAL; 655 } 656 return 0; 657} 658 659static int snapper_set_mix_vol(struct pmac_tumbler *mix, int idx) 660{ 661 if (! mix->i2c.client) 662 return -ENODEV; 663 if (snapper_set_mix_vol1(mix, idx, 0, TAS_REG_LMIX) < 0 || 664 snapper_set_mix_vol1(mix, idx, 1, TAS_REG_RMIX) < 0) 665 return -EINVAL; 666 return 0; 667} 668 669static int snapper_info_mix(struct snd_kcontrol *kcontrol, 670 struct snd_ctl_elem_info *uinfo) 671{ 672 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 673 uinfo->count = 2; 674 uinfo->value.integer.min = 0; 675 uinfo->value.integer.max = ARRAY_SIZE(mixer_volume_table) - 1; 676 return 0; 677} 678 679static int snapper_get_mix(struct snd_kcontrol *kcontrol, 680 struct snd_ctl_elem_value *ucontrol) 681{ 682 int idx = (int)kcontrol->private_value; 683 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 684 struct pmac_tumbler *mix; 685 if (! (mix = chip->mixer_data)) 686 return -ENODEV; 687 ucontrol->value.integer.value[0] = mix->mix_vol[idx][0]; 688 ucontrol->value.integer.value[1] = mix->mix_vol[idx][1]; 689 return 0; 690} 691 692static int snapper_put_mix(struct snd_kcontrol *kcontrol, 693 struct snd_ctl_elem_value *ucontrol) 694{ 695 int idx = (int)kcontrol->private_value; 696 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 697 struct pmac_tumbler *mix; 698 unsigned int vol[2]; 699 int change; 700 701 if (! (mix = chip->mixer_data)) 702 return -ENODEV; 703 vol[0] = ucontrol->value.integer.value[0]; 704 vol[1] = ucontrol->value.integer.value[1]; 705 if (vol[0] >= ARRAY_SIZE(mixer_volume_table) || 706 vol[1] >= ARRAY_SIZE(mixer_volume_table)) 707 return -EINVAL; 708 change = mix->mix_vol[idx][0] != vol[0] || 709 mix->mix_vol[idx][1] != vol[1]; 710 if (change) { 711 mix->mix_vol[idx][0] = vol[0]; 712 mix->mix_vol[idx][1] = vol[1]; 713 snapper_set_mix_vol(mix, idx); 714 } 715 return change; 716} 717 718 719 720enum { TUMBLER_MUTE_HP, TUMBLER_MUTE_AMP, TUMBLER_MUTE_LINE }; 721 722static int tumbler_get_mute_switch(struct snd_kcontrol *kcontrol, 723 struct snd_ctl_elem_value *ucontrol) 724{ 725 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 726 struct pmac_tumbler *mix; 727 struct pmac_gpio *gp; 728 if (! (mix = chip->mixer_data)) 729 return -ENODEV; 730 switch(kcontrol->private_value) { 731 case TUMBLER_MUTE_HP: 732 gp = &mix->hp_mute; break; 733 case TUMBLER_MUTE_AMP: 734 gp = &mix->amp_mute; break; 735 case TUMBLER_MUTE_LINE: 736 gp = &mix->line_mute; break; 737 default: 738 gp = NULL; 739 } 740 if (gp == NULL) 741 return -EINVAL; 742 ucontrol->value.integer.value[0] = !check_audio_gpio(gp); 743 return 0; 744} 745 746static int tumbler_put_mute_switch(struct snd_kcontrol *kcontrol, 747 struct snd_ctl_elem_value *ucontrol) 748{ 749 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 750 struct pmac_tumbler *mix; 751 struct pmac_gpio *gp; 752 int val; 753#ifdef PMAC_SUPPORT_AUTOMUTE 754 if (chip->update_automute && chip->auto_mute) 755 return 0; /* don't touch in the auto-mute mode */ 756#endif 757 if (! (mix = chip->mixer_data)) 758 return -ENODEV; 759 switch(kcontrol->private_value) { 760 case TUMBLER_MUTE_HP: 761 gp = &mix->hp_mute; break; 762 case TUMBLER_MUTE_AMP: 763 gp = &mix->amp_mute; break; 764 case TUMBLER_MUTE_LINE: 765 gp = &mix->line_mute; break; 766 default: 767 gp = NULL; 768 } 769 if (gp == NULL) 770 return -EINVAL; 771 val = ! check_audio_gpio(gp); 772 if (val != ucontrol->value.integer.value[0]) { 773 write_audio_gpio(gp, ! ucontrol->value.integer.value[0]); 774 return 1; 775 } 776 return 0; 777} 778 779static int snapper_set_capture_source(struct pmac_tumbler *mix) 780{ 781 if (! mix->i2c.client) 782 return -ENODEV; 783 if (mix->capture_source) 784 mix->acs = mix->acs |= 2; 785 else 786 mix->acs &= ~2; 787 return i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs); 788} 789 790static int snapper_info_capture_source(struct snd_kcontrol *kcontrol, 791 struct snd_ctl_elem_info *uinfo) 792{ 793 static char *texts[2] = { 794 "Line", "Mic" 795 }; 796 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 797 uinfo->count = 1; 798 uinfo->value.enumerated.items = 2; 799 if (uinfo->value.enumerated.item > 1) 800 uinfo->value.enumerated.item = 1; 801 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]); 802 return 0; 803} 804 805static int snapper_get_capture_source(struct snd_kcontrol *kcontrol, 806 struct snd_ctl_elem_value *ucontrol) 807{ 808 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 809 struct pmac_tumbler *mix = chip->mixer_data; 810 811 ucontrol->value.enumerated.item[0] = mix->capture_source; 812 return 0; 813} 814 815static int snapper_put_capture_source(struct snd_kcontrol *kcontrol, 816 struct snd_ctl_elem_value *ucontrol) 817{ 818 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 819 struct pmac_tumbler *mix = chip->mixer_data; 820 int change; 821 822 change = ucontrol->value.enumerated.item[0] != mix->capture_source; 823 if (change) { 824 mix->capture_source = !!ucontrol->value.enumerated.item[0]; 825 snapper_set_capture_source(mix); 826 } 827 return change; 828} 829 830#define DEFINE_SNAPPER_MIX(xname,idx,ofs) { \ 831 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\ 832 .name = xname, \ 833 .info = snapper_info_mix, \ 834 .get = snapper_get_mix, \ 835 .put = snapper_put_mix, \ 836 .index = idx,\ 837 .private_value = ofs, \ 838} 839 840 841/* 842 */ 843static struct snd_kcontrol_new tumbler_mixers[] __devinitdata = { 844 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 845 .name = "Master Playback Volume", 846 .info = tumbler_info_master_volume, 847 .get = tumbler_get_master_volume, 848 .put = tumbler_put_master_volume 849 }, 850 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 851 .name = "Master Playback Switch", 852 .info = snd_pmac_boolean_stereo_info, 853 .get = tumbler_get_master_switch, 854 .put = tumbler_put_master_switch 855 }, 856 DEFINE_MONO("Tone Control - Bass", bass), 857 DEFINE_MONO("Tone Control - Treble", treble), 858 DEFINE_MONO("PCM Playback Volume", pcm), 859 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 860 .name = "DRC Range", 861 .info = tumbler_info_drc_value, 862 .get = tumbler_get_drc_value, 863 .put = tumbler_put_drc_value 864 }, 865}; 866 867static struct snd_kcontrol_new snapper_mixers[] __devinitdata = { 868 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 869 .name = "Master Playback Volume", 870 .info = tumbler_info_master_volume, 871 .get = tumbler_get_master_volume, 872 .put = tumbler_put_master_volume 873 }, 874 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 875 .name = "Master Playback Switch", 876 .info = snd_pmac_boolean_stereo_info, 877 .get = tumbler_get_master_switch, 878 .put = tumbler_put_master_switch 879 }, 880 DEFINE_SNAPPER_MIX("PCM Playback Volume", 0, VOL_IDX_PCM), 881 /* Alternative PCM is assigned to Mic analog loopback on iBook G4 */ 882 DEFINE_SNAPPER_MIX("Mic Playback Volume", 0, VOL_IDX_PCM2), 883 DEFINE_SNAPPER_MIX("Monitor Mix Volume", 0, VOL_IDX_ADC), 884 DEFINE_SNAPPER_MONO("Tone Control - Bass", bass), 885 DEFINE_SNAPPER_MONO("Tone Control - Treble", treble), 886 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 887 .name = "DRC Range", 888 .info = tumbler_info_drc_value, 889 .get = tumbler_get_drc_value, 890 .put = tumbler_put_drc_value 891 }, 892 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 893 .name = "Input Source", 894 .info = snapper_info_capture_source, 895 .get = snapper_get_capture_source, 896 .put = snapper_put_capture_source 897 }, 898}; 899 900static struct snd_kcontrol_new tumbler_hp_sw __devinitdata = { 901 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 902 .name = "Headphone Playback Switch", 903 .info = snd_pmac_boolean_mono_info, 904 .get = tumbler_get_mute_switch, 905 .put = tumbler_put_mute_switch, 906 .private_value = TUMBLER_MUTE_HP, 907}; 908static struct snd_kcontrol_new tumbler_speaker_sw __devinitdata = { 909 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 910 .name = "Speaker Playback Switch", 911 .info = snd_pmac_boolean_mono_info, 912 .get = tumbler_get_mute_switch, 913 .put = tumbler_put_mute_switch, 914 .private_value = TUMBLER_MUTE_AMP, 915}; 916static struct snd_kcontrol_new tumbler_lineout_sw __devinitdata = { 917 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 918 .name = "Line Out Playback Switch", 919 .info = snd_pmac_boolean_mono_info, 920 .get = tumbler_get_mute_switch, 921 .put = tumbler_put_mute_switch, 922 .private_value = TUMBLER_MUTE_LINE, 923}; 924static struct snd_kcontrol_new tumbler_drc_sw __devinitdata = { 925 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 926 .name = "DRC Switch", 927 .info = snd_pmac_boolean_mono_info, 928 .get = tumbler_get_drc_switch, 929 .put = tumbler_put_drc_switch 930}; 931 932 933#ifdef PMAC_SUPPORT_AUTOMUTE 934/* 935 * auto-mute stuffs 936 */ 937static int tumbler_detect_headphone(struct snd_pmac *chip) 938{ 939 struct pmac_tumbler *mix = chip->mixer_data; 940 int detect = 0; 941 942 if (mix->hp_detect.addr) 943 detect |= read_audio_gpio(&mix->hp_detect); 944 return detect; 945} 946 947static int tumbler_detect_lineout(struct snd_pmac *chip) 948{ 949 struct pmac_tumbler *mix = chip->mixer_data; 950 int detect = 0; 951 952 if (mix->line_detect.addr) 953 detect |= read_audio_gpio(&mix->line_detect); 954 return detect; 955} 956 957static void check_mute(struct snd_pmac *chip, struct pmac_gpio *gp, int val, int do_notify, 958 struct snd_kcontrol *sw) 959{ 960 if (check_audio_gpio(gp) != val) { 961 write_audio_gpio(gp, val); 962 if (do_notify) 963 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, 964 &sw->id); 965 } 966} 967 968static struct work_struct device_change; 969static struct snd_pmac *device_change_chip; 970 971static void device_change_handler(struct work_struct *work) 972{ 973 struct snd_pmac *chip = device_change_chip; 974 struct pmac_tumbler *mix; 975 int headphone, lineout; 976 977 if (!chip) 978 return; 979 980 mix = chip->mixer_data; 981 if (snd_BUG_ON(!mix)) 982 return; 983 984 headphone = tumbler_detect_headphone(chip); 985 lineout = tumbler_detect_lineout(chip); 986 987 DBG("headphone: %d, lineout: %d\n", headphone, lineout); 988 989 if (headphone || lineout) { 990 /* unmute headphone/lineout & mute speaker */ 991 if (headphone) 992 check_mute(chip, &mix->hp_mute, 0, mix->auto_mute_notify, 993 chip->master_sw_ctl); 994 if (lineout && mix->line_mute.addr != 0) 995 check_mute(chip, &mix->line_mute, 0, mix->auto_mute_notify, 996 chip->lineout_sw_ctl); 997 if (mix->anded_reset) 998 msleep(10); 999 check_mute(chip, &mix->amp_mute, 1, mix->auto_mute_notify, 1000 chip->speaker_sw_ctl); 1001 } else { 1002 /* unmute speaker, mute others */ 1003 check_mute(chip, &mix->amp_mute, 0, mix->auto_mute_notify, 1004 chip->speaker_sw_ctl); 1005 if (mix->anded_reset) 1006 msleep(10); 1007 check_mute(chip, &mix->hp_mute, 1, mix->auto_mute_notify, 1008 chip->master_sw_ctl); 1009 if (mix->line_mute.addr != 0) 1010 check_mute(chip, &mix->line_mute, 1, mix->auto_mute_notify, 1011 chip->lineout_sw_ctl); 1012 } 1013 if (mix->auto_mute_notify) 1014 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, 1015 &chip->hp_detect_ctl->id); 1016 1017#ifdef CONFIG_SND_POWERMAC_AUTO_DRC 1018 mix->drc_enable = ! (headphone || lineout); 1019 if (mix->auto_mute_notify) 1020 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, 1021 &chip->drc_sw_ctl->id); 1022 if (chip->model == PMAC_TUMBLER) 1023 tumbler_set_drc(mix); 1024 else 1025 snapper_set_drc(mix); 1026#endif 1027 1028 /* reset the master volume so the correct amplification is applied */ 1029 tumbler_set_master_volume(mix); 1030} 1031 1032static void tumbler_update_automute(struct snd_pmac *chip, int do_notify) 1033{ 1034 if (chip->auto_mute) { 1035 struct pmac_tumbler *mix; 1036 mix = chip->mixer_data; 1037 if (snd_BUG_ON(!mix)) 1038 return; 1039 mix->auto_mute_notify = do_notify; 1040 schedule_work(&device_change); 1041 } 1042} 1043#endif /* PMAC_SUPPORT_AUTOMUTE */ 1044 1045 1046/* interrupt - headphone plug changed */ 1047static irqreturn_t headphone_intr(int irq, void *devid) 1048{ 1049 struct snd_pmac *chip = devid; 1050 if (chip->update_automute && chip->initialized) { 1051 chip->update_automute(chip, 1); 1052 return IRQ_HANDLED; 1053 } 1054 return IRQ_NONE; 1055} 1056 1057/* look for audio-gpio device */ 1058static struct device_node *find_audio_device(const char *name) 1059{ 1060 struct device_node *gpiop; 1061 struct device_node *np; 1062 1063 gpiop = of_find_node_by_name(NULL, "gpio"); 1064 if (! gpiop) 1065 return NULL; 1066 1067 for (np = of_get_next_child(gpiop, NULL); np; 1068 np = of_get_next_child(gpiop, np)) { 1069 const char *property = of_get_property(np, "audio-gpio", NULL); 1070 if (property && strcmp(property, name) == 0) 1071 break; 1072 } 1073 of_node_put(gpiop); 1074 return np; 1075} 1076 1077/* look for audio-gpio device */ 1078static struct device_node *find_compatible_audio_device(const char *name) 1079{ 1080 struct device_node *gpiop; 1081 struct device_node *np; 1082 1083 gpiop = of_find_node_by_name(NULL, "gpio"); 1084 if (!gpiop) 1085 return NULL; 1086 1087 for (np = of_get_next_child(gpiop, NULL); np; 1088 np = of_get_next_child(gpiop, np)) { 1089 if (of_device_is_compatible(np, name)) 1090 break; 1091 } 1092 of_node_put(gpiop); 1093 return np; 1094} 1095 1096/* find an audio device and get its address */ 1097static long tumbler_find_device(const char *device, const char *platform, 1098 struct pmac_gpio *gp, int is_compatible) 1099{ 1100 struct device_node *node; 1101 const u32 *base; 1102 u32 addr; 1103 long ret; 1104 1105 if (is_compatible) 1106 node = find_compatible_audio_device(device); 1107 else 1108 node = find_audio_device(device); 1109 if (! node) { 1110 DBG("(W) cannot find audio device %s !\n", device); 1111 snd_printdd("cannot find device %s\n", device); 1112 return -ENODEV; 1113 } 1114 1115 base = of_get_property(node, "AAPL,address", NULL); 1116 if (! base) { 1117 base = of_get_property(node, "reg", NULL); 1118 if (!base) { 1119 DBG("(E) cannot find address for device %s !\n", device); 1120 snd_printd("cannot find address for device %s\n", device); 1121 of_node_put(node); 1122 return -ENODEV; 1123 } 1124 addr = *base; 1125 if (addr < 0x50) 1126 addr += 0x50; 1127 } else 1128 addr = *base; 1129 1130 gp->addr = addr & 0x0000ffff; 1131 /* Try to find the active state, default to 0 ! */ 1132 base = of_get_property(node, "audio-gpio-active-state", NULL); 1133 if (base) { 1134 gp->active_state = *base; 1135 gp->active_val = (*base) ? 0x5 : 0x4; 1136 gp->inactive_val = (*base) ? 0x4 : 0x5; 1137 } else { 1138 const u32 *prop = NULL; 1139 gp->active_state = IS_G4DA 1140 && !strncmp(device, "keywest-gpio1", 13); 1141 gp->active_val = 0x4; 1142 gp->inactive_val = 0x5; 1143 /* Here are some crude hacks to extract the GPIO polarity and 1144 * open collector informations out of the do-platform script 1145 * as we don't yet have an interpreter for these things 1146 */ 1147 if (platform) 1148 prop = of_get_property(node, platform, NULL); 1149 if (prop) { 1150 if (prop[3] == 0x9 && prop[4] == 0x9) { 1151 gp->active_val = 0xd; 1152 gp->inactive_val = 0xc; 1153 } 1154 if (prop[3] == 0x1 && prop[4] == 0x1) { 1155 gp->active_val = 0x5; 1156 gp->inactive_val = 0x4; 1157 } 1158 } 1159 } 1160 1161 DBG("(I) GPIO device %s found, offset: %x, active state: %d !\n", 1162 device, gp->addr, gp->active_state); 1163 1164 ret = irq_of_parse_and_map(node, 0); 1165 of_node_put(node); 1166 return ret; 1167} 1168 1169/* reset audio */ 1170static void tumbler_reset_audio(struct snd_pmac *chip) 1171{ 1172 struct pmac_tumbler *mix = chip->mixer_data; 1173 1174 if (mix->anded_reset) { 1175 DBG("(I) codec anded reset !\n"); 1176 write_audio_gpio(&mix->hp_mute, 0); 1177 write_audio_gpio(&mix->amp_mute, 0); 1178 msleep(200); 1179 write_audio_gpio(&mix->hp_mute, 1); 1180 write_audio_gpio(&mix->amp_mute, 1); 1181 msleep(100); 1182 write_audio_gpio(&mix->hp_mute, 0); 1183 write_audio_gpio(&mix->amp_mute, 0); 1184 msleep(100); 1185 } else { 1186 DBG("(I) codec normal reset !\n"); 1187 1188 write_audio_gpio(&mix->audio_reset, 0); 1189 msleep(200); 1190 write_audio_gpio(&mix->audio_reset, 1); 1191 msleep(100); 1192 write_audio_gpio(&mix->audio_reset, 0); 1193 msleep(100); 1194 } 1195} 1196 1197#ifdef CONFIG_PM 1198/* suspend mixer */ 1199static void tumbler_suspend(struct snd_pmac *chip) 1200{ 1201 struct pmac_tumbler *mix = chip->mixer_data; 1202 1203 if (mix->headphone_irq >= 0) 1204 disable_irq(mix->headphone_irq); 1205 if (mix->lineout_irq >= 0) 1206 disable_irq(mix->lineout_irq); 1207 mix->save_master_switch[0] = mix->master_switch[0]; 1208 mix->save_master_switch[1] = mix->master_switch[1]; 1209 mix->save_master_vol[0] = mix->master_vol[0]; 1210 mix->save_master_vol[1] = mix->master_vol[1]; 1211 mix->master_switch[0] = mix->master_switch[1] = 0; 1212 tumbler_set_master_volume(mix); 1213 if (!mix->anded_reset) { 1214 write_audio_gpio(&mix->amp_mute, 1); 1215 write_audio_gpio(&mix->hp_mute, 1); 1216 } 1217 if (chip->model == PMAC_SNAPPER) { 1218 mix->acs |= 1; 1219 i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs); 1220 } 1221 if (mix->anded_reset) { 1222 write_audio_gpio(&mix->amp_mute, 1); 1223 write_audio_gpio(&mix->hp_mute, 1); 1224 } else 1225 write_audio_gpio(&mix->audio_reset, 1); 1226} 1227 1228/* resume mixer */ 1229static void tumbler_resume(struct snd_pmac *chip) 1230{ 1231 struct pmac_tumbler *mix = chip->mixer_data; 1232 1233 mix->acs &= ~1; 1234 mix->master_switch[0] = mix->save_master_switch[0]; 1235 mix->master_switch[1] = mix->save_master_switch[1]; 1236 mix->master_vol[0] = mix->save_master_vol[0]; 1237 mix->master_vol[1] = mix->save_master_vol[1]; 1238 tumbler_reset_audio(chip); 1239 if (mix->i2c.client && mix->i2c.init_client) { 1240 if (mix->i2c.init_client(&mix->i2c) < 0) 1241 printk(KERN_ERR "tumbler_init_client error\n"); 1242 } else 1243 printk(KERN_ERR "tumbler: i2c is not initialized\n"); 1244 if (chip->model == PMAC_TUMBLER) { 1245 tumbler_set_mono_volume(mix, &tumbler_pcm_vol_info); 1246 tumbler_set_mono_volume(mix, &tumbler_bass_vol_info); 1247 tumbler_set_mono_volume(mix, &tumbler_treble_vol_info); 1248 tumbler_set_drc(mix); 1249 } else { 1250 snapper_set_mix_vol(mix, VOL_IDX_PCM); 1251 snapper_set_mix_vol(mix, VOL_IDX_PCM2); 1252 snapper_set_mix_vol(mix, VOL_IDX_ADC); 1253 tumbler_set_mono_volume(mix, &snapper_bass_vol_info); 1254 tumbler_set_mono_volume(mix, &snapper_treble_vol_info); 1255 snapper_set_drc(mix); 1256 snapper_set_capture_source(mix); 1257 } 1258 tumbler_set_master_volume(mix); 1259 if (chip->update_automute) 1260 chip->update_automute(chip, 0); 1261 if (mix->headphone_irq >= 0) { 1262 unsigned char val; 1263 1264 enable_irq(mix->headphone_irq); 1265 /* activate headphone status interrupts */ 1266 val = do_gpio_read(&mix->hp_detect); 1267 do_gpio_write(&mix->hp_detect, val | 0x80); 1268 } 1269 if (mix->lineout_irq >= 0) 1270 enable_irq(mix->lineout_irq); 1271} 1272#endif 1273 1274/* initialize tumbler */ 1275static int __devinit tumbler_init(struct snd_pmac *chip) 1276{ 1277 int irq; 1278 struct pmac_tumbler *mix = chip->mixer_data; 1279 1280 if (tumbler_find_device("audio-hw-reset", 1281 "platform-do-hw-reset", 1282 &mix->audio_reset, 0) < 0) 1283 tumbler_find_device("hw-reset", 1284 "platform-do-hw-reset", 1285 &mix->audio_reset, 1); 1286 if (tumbler_find_device("amp-mute", 1287 "platform-do-amp-mute", 1288 &mix->amp_mute, 0) < 0) 1289 tumbler_find_device("amp-mute", 1290 "platform-do-amp-mute", 1291 &mix->amp_mute, 1); 1292 if (tumbler_find_device("headphone-mute", 1293 "platform-do-headphone-mute", 1294 &mix->hp_mute, 0) < 0) 1295 tumbler_find_device("headphone-mute", 1296 "platform-do-headphone-mute", 1297 &mix->hp_mute, 1); 1298 if (tumbler_find_device("line-output-mute", 1299 "platform-do-lineout-mute", 1300 &mix->line_mute, 0) < 0) 1301 tumbler_find_device("line-output-mute", 1302 "platform-do-lineout-mute", 1303 &mix->line_mute, 1); 1304 irq = tumbler_find_device("headphone-detect", 1305 NULL, &mix->hp_detect, 0); 1306 if (irq <= NO_IRQ) 1307 irq = tumbler_find_device("headphone-detect", 1308 NULL, &mix->hp_detect, 1); 1309 if (irq <= NO_IRQ) 1310 irq = tumbler_find_device("keywest-gpio15", 1311 NULL, &mix->hp_detect, 1); 1312 mix->headphone_irq = irq; 1313 irq = tumbler_find_device("line-output-detect", 1314 NULL, &mix->line_detect, 0); 1315 if (irq <= NO_IRQ) 1316 irq = tumbler_find_device("line-output-detect", 1317 NULL, &mix->line_detect, 1); 1318 if (IS_G4DA && irq <= NO_IRQ) 1319 irq = tumbler_find_device("keywest-gpio16", 1320 NULL, &mix->line_detect, 1); 1321 mix->lineout_irq = irq; 1322 1323 tumbler_reset_audio(chip); 1324 1325 return 0; 1326} 1327 1328static void tumbler_cleanup(struct snd_pmac *chip) 1329{ 1330 struct pmac_tumbler *mix = chip->mixer_data; 1331 if (! mix) 1332 return; 1333 1334 if (mix->headphone_irq >= 0) 1335 free_irq(mix->headphone_irq, chip); 1336 if (mix->lineout_irq >= 0) 1337 free_irq(mix->lineout_irq, chip); 1338 tumbler_gpio_free(&mix->audio_reset); 1339 tumbler_gpio_free(&mix->amp_mute); 1340 tumbler_gpio_free(&mix->hp_mute); 1341 tumbler_gpio_free(&mix->hp_detect); 1342 snd_pmac_keywest_cleanup(&mix->i2c); 1343 kfree(mix); 1344 chip->mixer_data = NULL; 1345} 1346 1347/* exported */ 1348int __devinit snd_pmac_tumbler_init(struct snd_pmac *chip) 1349{ 1350 int i, err; 1351 struct pmac_tumbler *mix; 1352 const u32 *paddr; 1353 struct device_node *tas_node, *np; 1354 char *chipname; 1355 1356 request_module("i2c-powermac"); 1357 1358 mix = kzalloc(sizeof(*mix), GFP_KERNEL); 1359 if (! mix) 1360 return -ENOMEM; 1361 mix->headphone_irq = -1; 1362 1363 chip->mixer_data = mix; 1364 chip->mixer_free = tumbler_cleanup; 1365 mix->anded_reset = 0; 1366 mix->reset_on_sleep = 1; 1367 1368 for (np = chip->node->child; np; np = np->sibling) { 1369 if (!strcmp(np->name, "sound")) { 1370 if (of_get_property(np, "has-anded-reset", NULL)) 1371 mix->anded_reset = 1; 1372 if (of_get_property(np, "layout-id", NULL)) 1373 mix->reset_on_sleep = 0; 1374 break; 1375 } 1376 } 1377 if ((err = tumbler_init(chip)) < 0) 1378 return err; 1379 1380 /* set up TAS */ 1381 tas_node = of_find_node_by_name(NULL, "deq"); 1382 if (tas_node == NULL) 1383 tas_node = of_find_node_by_name(NULL, "codec"); 1384 if (tas_node == NULL) 1385 return -ENODEV; 1386 1387 paddr = of_get_property(tas_node, "i2c-address", NULL); 1388 if (paddr == NULL) 1389 paddr = of_get_property(tas_node, "reg", NULL); 1390 if (paddr) 1391 mix->i2c.addr = (*paddr) >> 1; 1392 else 1393 mix->i2c.addr = TAS_I2C_ADDR; 1394 of_node_put(tas_node); 1395 1396 DBG("(I) TAS i2c address is: %x\n", mix->i2c.addr); 1397 1398 if (chip->model == PMAC_TUMBLER) { 1399 mix->i2c.init_client = tumbler_init_client; 1400 mix->i2c.name = "TAS3001c"; 1401 chipname = "Tumbler"; 1402 } else { 1403 mix->i2c.init_client = snapper_init_client; 1404 mix->i2c.name = "TAS3004"; 1405 chipname = "Snapper"; 1406 } 1407 1408 if ((err = snd_pmac_keywest_init(&mix->i2c)) < 0) 1409 return err; 1410 1411 /* 1412 * build mixers 1413 */ 1414 sprintf(chip->card->mixername, "PowerMac %s", chipname); 1415 1416 if (chip->model == PMAC_TUMBLER) { 1417 for (i = 0; i < ARRAY_SIZE(tumbler_mixers); i++) { 1418 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&tumbler_mixers[i], chip))) < 0) 1419 return err; 1420 } 1421 } else { 1422 for (i = 0; i < ARRAY_SIZE(snapper_mixers); i++) { 1423 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snapper_mixers[i], chip))) < 0) 1424 return err; 1425 } 1426 } 1427 chip->master_sw_ctl = snd_ctl_new1(&tumbler_hp_sw, chip); 1428 if ((err = snd_ctl_add(chip->card, chip->master_sw_ctl)) < 0) 1429 return err; 1430 chip->speaker_sw_ctl = snd_ctl_new1(&tumbler_speaker_sw, chip); 1431 if ((err = snd_ctl_add(chip->card, chip->speaker_sw_ctl)) < 0) 1432 return err; 1433 if (mix->line_mute.addr != 0) { 1434 chip->lineout_sw_ctl = snd_ctl_new1(&tumbler_lineout_sw, chip); 1435 if ((err = snd_ctl_add(chip->card, chip->lineout_sw_ctl)) < 0) 1436 return err; 1437 } 1438 chip->drc_sw_ctl = snd_ctl_new1(&tumbler_drc_sw, chip); 1439 if ((err = snd_ctl_add(chip->card, chip->drc_sw_ctl)) < 0) 1440 return err; 1441 1442 /* set initial DRC range to 60% */ 1443 if (chip->model == PMAC_TUMBLER) 1444 mix->drc_range = (TAS3001_DRC_MAX * 6) / 10; 1445 else 1446 mix->drc_range = (TAS3004_DRC_MAX * 6) / 10; 1447 mix->drc_enable = 1; /* will be changed later if AUTO_DRC is set */ 1448 if (chip->model == PMAC_TUMBLER) 1449 tumbler_set_drc(mix); 1450 else 1451 snapper_set_drc(mix); 1452 1453#ifdef CONFIG_PM 1454 chip->suspend = tumbler_suspend; 1455 chip->resume = tumbler_resume; 1456#endif 1457 1458 INIT_WORK(&device_change, device_change_handler); 1459 device_change_chip = chip; 1460 1461#ifdef PMAC_SUPPORT_AUTOMUTE 1462 if ((mix->headphone_irq >=0 || mix->lineout_irq >= 0) 1463 && (err = snd_pmac_add_automute(chip)) < 0) 1464 return err; 1465 chip->detect_headphone = tumbler_detect_headphone; 1466 chip->update_automute = tumbler_update_automute; 1467 tumbler_update_automute(chip, 0); /* update the status only */ 1468 1469 /* activate headphone status interrupts */ 1470 if (mix->headphone_irq >= 0) { 1471 unsigned char val; 1472 if ((err = request_irq(mix->headphone_irq, headphone_intr, 0, 1473 "Sound Headphone Detection", chip)) < 0) 1474 return 0; 1475 /* activate headphone status interrupts */ 1476 val = do_gpio_read(&mix->hp_detect); 1477 do_gpio_write(&mix->hp_detect, val | 0x80); 1478 } 1479 if (mix->lineout_irq >= 0) { 1480 unsigned char val; 1481 if ((err = request_irq(mix->lineout_irq, headphone_intr, 0, 1482 "Sound Lineout Detection", chip)) < 0) 1483 return 0; 1484 /* activate headphone status interrupts */ 1485 val = do_gpio_read(&mix->line_detect); 1486 do_gpio_write(&mix->line_detect, val | 0x80); 1487 } 1488#endif 1489 1490 return 0; 1491} 1492