1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * PMac Tumbler/Snapper lowlevel functions 4 * 5 * Copyright (c) by Takashi Iwai <tiwai@suse.de> 6 * 7 * Rene Rebe <rene.rebe@gmx.net>: 8 * * update from shadow registers on wakeup and headphone plug 9 * * automatically toggle DRC on headphone plug 10 */ 11 12 13 #include <linux/init.h> 14 #include <linux/delay.h> 15 #include <linux/i2c.h> 16 #include <linux/kmod.h> 17 #include <linux/slab.h> 18 #include <linux/interrupt.h> 19 #include <linux/string.h> 20 #include <linux/of_irq.h> 21 #include <linux/io.h> 22 #include <sound/core.h> 23 #include <asm/irq.h> 24 #include <asm/machdep.h> 25 #include <asm/pmac_feature.h> 26 #include "pmac.h" 27 #include "tumbler_volume.h" 28 29 #undef DEBUG 30 31 #ifdef DEBUG 32 #define DBG(fmt...) pr_debug(fmt) 33 #else 34 #define DBG(fmt...) 35 #endif 36 37 #define IS_G4DA (of_machine_is_compatible("PowerMac3,4")) 38 39 /* i2c address for tumbler */ 40 #define TAS_I2C_ADDR 0x34 41 42 /* registers */ 43 #define TAS_REG_MCS 0x01 /* main control */ 44 #define TAS_REG_DRC 0x02 45 #define TAS_REG_VOL 0x04 46 #define TAS_REG_TREBLE 0x05 47 #define TAS_REG_BASS 0x06 48 #define TAS_REG_INPUT1 0x07 49 #define TAS_REG_INPUT2 0x08 50 51 /* tas3001c */ 52 #define TAS_REG_PCM TAS_REG_INPUT1 53 54 /* tas3004 */ 55 #define TAS_REG_LMIX TAS_REG_INPUT1 56 #define TAS_REG_RMIX TAS_REG_INPUT2 57 #define TAS_REG_MCS2 0x43 /* main control 2 */ 58 #define TAS_REG_ACS 0x40 /* analog control */ 59 60 /* mono volumes for tas3001c/tas3004 */ 61 enum { 62 VOL_IDX_PCM_MONO, /* tas3001c only */ 63 VOL_IDX_BASS, VOL_IDX_TREBLE, 64 VOL_IDX_LAST_MONO 65 }; 66 67 /* stereo volumes for tas3004 */ 68 enum { 69 VOL_IDX_PCM, VOL_IDX_PCM2, VOL_IDX_ADC, 70 VOL_IDX_LAST_MIX 71 }; 72 73 struct pmac_gpio { 74 unsigned int addr; 75 u8 active_val; 76 u8 inactive_val; 77 u8 active_state; 78 }; 79 80 struct pmac_tumbler { 81 struct pmac_keywest i2c; 82 struct pmac_gpio audio_reset; 83 struct pmac_gpio amp_mute; 84 struct pmac_gpio line_mute; 85 struct pmac_gpio line_detect; 86 struct pmac_gpio hp_mute; 87 struct pmac_gpio hp_detect; 88 int headphone_irq; 89 int lineout_irq; 90 unsigned int save_master_vol[2]; 91 unsigned int master_vol[2]; 92 unsigned int save_master_switch[2]; 93 unsigned int master_switch[2]; 94 unsigned int mono_vol[VOL_IDX_LAST_MONO]; 95 unsigned int mix_vol[VOL_IDX_LAST_MIX][2]; /* stereo volumes for tas3004 */ 96 int drc_range; 97 int drc_enable; 98 int capture_source; 99 int anded_reset; 100 int auto_mute_notify; 101 int reset_on_sleep; 102 u8 acs; 103 }; 104 105 106 /* 107 */ 108 109 static int send_init_client(struct pmac_keywest *i2c, const unsigned int *regs) 110 { 111 while (*regs > 0) { 112 int err, count = 10; 113 do { 114 err = i2c_smbus_write_byte_data(i2c->client, 115 regs[0], regs[1]); 116 if (err >= 0) 117 break; 118 DBG("(W) i2c error %d\n", err); 119 mdelay(10); 120 } while (count--); 121 if (err < 0) 122 return -ENXIO; 123 regs += 2; 124 } 125 return 0; 126 } 127 128 129 static int tumbler_init_client(struct pmac_keywest *i2c) 130 { 131 static const unsigned int regs[] = { 132 /* normal operation, SCLK=64fps, i2s output, i2s input, 16bit width */ 133 TAS_REG_MCS, (1<<6)|(2<<4)|(2<<2)|0, 134 0, /* terminator */ 135 }; 136 DBG("(I) tumbler init client\n"); 137 return send_init_client(i2c, regs); 138 } 139 140 static int snapper_init_client(struct pmac_keywest *i2c) 141 { 142 static const unsigned int regs[] = { 143 /* normal operation, SCLK=64fps, i2s output, 16bit width */ 144 TAS_REG_MCS, (1<<6)|(2<<4)|0, 145 /* normal operation, all-pass mode */ 146 TAS_REG_MCS2, (1<<1), 147 /* normal output, no deemphasis, A input, power-up, line-in */ 148 TAS_REG_ACS, 0, 149 0, /* terminator */ 150 }; 151 DBG("(I) snapper init client\n"); 152 return send_init_client(i2c, regs); 153 } 154 155 /* 156 * gpio access 157 */ 158 #define do_gpio_write(gp, val) \ 159 pmac_call_feature(PMAC_FTR_WRITE_GPIO, NULL, (gp)->addr, val) 160 #define do_gpio_read(gp) \ 161 pmac_call_feature(PMAC_FTR_READ_GPIO, NULL, (gp)->addr, 0) 162 #define tumbler_gpio_free(gp) /* NOP */ 163 164 static void write_audio_gpio(struct pmac_gpio *gp, int active) 165 { 166 if (! gp->addr) 167 return; 168 active = active ? gp->active_val : gp->inactive_val; 169 do_gpio_write(gp, active); 170 DBG("(I) gpio %x write %d\n", gp->addr, active); 171 } 172 173 static int check_audio_gpio(struct pmac_gpio *gp) 174 { 175 int ret; 176 177 if (! gp->addr) 178 return 0; 179 180 ret = do_gpio_read(gp); 181 182 return (ret & 0x1) == (gp->active_val & 0x1); 183 } 184 185 static int read_audio_gpio(struct pmac_gpio *gp) 186 { 187 int ret; 188 if (! gp->addr) 189 return 0; 190 ret = do_gpio_read(gp); 191 ret = (ret & 0x02) !=0; 192 return ret == gp->active_state; 193 } 194 195 /* 196 * update master volume 197 */ 198 static int tumbler_set_master_volume(struct pmac_tumbler *mix) 199 { 200 unsigned char block[6]; 201 unsigned int left_vol, right_vol; 202 203 if (! mix->i2c.client) 204 return -ENODEV; 205 206 if (! mix->master_switch[0]) 207 left_vol = 0; 208 else { 209 left_vol = mix->master_vol[0]; 210 if (left_vol >= ARRAY_SIZE(master_volume_table)) 211 left_vol = ARRAY_SIZE(master_volume_table) - 1; 212 left_vol = master_volume_table[left_vol]; 213 } 214 if (! mix->master_switch[1]) 215 right_vol = 0; 216 else { 217 right_vol = mix->master_vol[1]; 218 if (right_vol >= ARRAY_SIZE(master_volume_table)) 219 right_vol = ARRAY_SIZE(master_volume_table) - 1; 220 right_vol = master_volume_table[right_vol]; 221 } 222 223 block[0] = (left_vol >> 16) & 0xff; 224 block[1] = (left_vol >> 8) & 0xff; 225 block[2] = (left_vol >> 0) & 0xff; 226 227 block[3] = (right_vol >> 16) & 0xff; 228 block[4] = (right_vol >> 8) & 0xff; 229 block[5] = (right_vol >> 0) & 0xff; 230 231 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_VOL, 6, 232 block) < 0) { 233 dev_err(&mix->i2c.client->dev, "failed to set volume\n"); 234 return -EINVAL; 235 } 236 DBG("(I) succeeded to set volume (%u, %u)\n", left_vol, right_vol); 237 return 0; 238 } 239 240 241 /* output volume */ 242 static int tumbler_info_master_volume(struct snd_kcontrol *kcontrol, 243 struct snd_ctl_elem_info *uinfo) 244 { 245 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 246 uinfo->count = 2; 247 uinfo->value.integer.min = 0; 248 uinfo->value.integer.max = ARRAY_SIZE(master_volume_table) - 1; 249 return 0; 250 } 251 252 static int tumbler_get_master_volume(struct snd_kcontrol *kcontrol, 253 struct snd_ctl_elem_value *ucontrol) 254 { 255 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 256 struct pmac_tumbler *mix = chip->mixer_data; 257 258 ucontrol->value.integer.value[0] = mix->master_vol[0]; 259 ucontrol->value.integer.value[1] = mix->master_vol[1]; 260 return 0; 261 } 262 263 static int tumbler_put_master_volume(struct snd_kcontrol *kcontrol, 264 struct snd_ctl_elem_value *ucontrol) 265 { 266 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 267 struct pmac_tumbler *mix = chip->mixer_data; 268 unsigned int vol[2]; 269 int change; 270 271 vol[0] = ucontrol->value.integer.value[0]; 272 vol[1] = ucontrol->value.integer.value[1]; 273 if (vol[0] >= ARRAY_SIZE(master_volume_table) || 274 vol[1] >= ARRAY_SIZE(master_volume_table)) 275 return -EINVAL; 276 change = mix->master_vol[0] != vol[0] || 277 mix->master_vol[1] != vol[1]; 278 if (change) { 279 mix->master_vol[0] = vol[0]; 280 mix->master_vol[1] = vol[1]; 281 tumbler_set_master_volume(mix); 282 } 283 return change; 284 } 285 286 /* output switch */ 287 static int tumbler_get_master_switch(struct snd_kcontrol *kcontrol, 288 struct snd_ctl_elem_value *ucontrol) 289 { 290 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 291 struct pmac_tumbler *mix = chip->mixer_data; 292 293 ucontrol->value.integer.value[0] = mix->master_switch[0]; 294 ucontrol->value.integer.value[1] = mix->master_switch[1]; 295 return 0; 296 } 297 298 static int tumbler_put_master_switch(struct snd_kcontrol *kcontrol, 299 struct snd_ctl_elem_value *ucontrol) 300 { 301 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 302 struct pmac_tumbler *mix = chip->mixer_data; 303 int change; 304 305 change = mix->master_switch[0] != ucontrol->value.integer.value[0] || 306 mix->master_switch[1] != ucontrol->value.integer.value[1]; 307 if (change) { 308 mix->master_switch[0] = !!ucontrol->value.integer.value[0]; 309 mix->master_switch[1] = !!ucontrol->value.integer.value[1]; 310 tumbler_set_master_volume(mix); 311 } 312 return change; 313 } 314 315 316 /* 317 * TAS3001c dynamic range compression 318 */ 319 320 #define TAS3001_DRC_MAX 0x5f 321 322 static int tumbler_set_drc(struct pmac_tumbler *mix) 323 { 324 unsigned char val[2]; 325 326 if (! mix->i2c.client) 327 return -ENODEV; 328 329 if (mix->drc_enable) { 330 val[0] = 0xc1; /* enable, 3:1 compression */ 331 if (mix->drc_range > TAS3001_DRC_MAX) 332 val[1] = 0xf0; 333 else if (mix->drc_range < 0) 334 val[1] = 0x91; 335 else 336 val[1] = mix->drc_range + 0x91; 337 } else { 338 val[0] = 0; 339 val[1] = 0; 340 } 341 342 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_DRC, 343 2, val) < 0) { 344 dev_err(&mix->i2c.client->dev, "failed to set DRC\n"); 345 return -EINVAL; 346 } 347 DBG("(I) succeeded to set DRC (%u, %u)\n", val[0], val[1]); 348 return 0; 349 } 350 351 /* 352 * TAS3004 353 */ 354 355 #define TAS3004_DRC_MAX 0xef 356 357 static int snapper_set_drc(struct pmac_tumbler *mix) 358 { 359 unsigned char val[6]; 360 361 if (! mix->i2c.client) 362 return -ENODEV; 363 364 if (mix->drc_enable) 365 val[0] = 0x50; /* 3:1 above threshold */ 366 else 367 val[0] = 0x51; /* disabled */ 368 val[1] = 0x02; /* 1:1 below threshold */ 369 if (mix->drc_range > 0xef) 370 val[2] = 0xef; 371 else if (mix->drc_range < 0) 372 val[2] = 0x00; 373 else 374 val[2] = mix->drc_range; 375 val[3] = 0xb0; 376 val[4] = 0x60; 377 val[5] = 0xa0; 378 379 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_DRC, 380 6, val) < 0) { 381 dev_err(&mix->i2c.client->dev, "failed to set DRC\n"); 382 return -EINVAL; 383 } 384 DBG("(I) succeeded to set DRC (%u, %u)\n", val[0], val[1]); 385 return 0; 386 } 387 388 static int tumbler_info_drc_value(struct snd_kcontrol *kcontrol, 389 struct snd_ctl_elem_info *uinfo) 390 { 391 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 392 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 393 uinfo->count = 1; 394 uinfo->value.integer.min = 0; 395 uinfo->value.integer.max = 396 chip->model == PMAC_TUMBLER ? TAS3001_DRC_MAX : TAS3004_DRC_MAX; 397 return 0; 398 } 399 400 static int tumbler_get_drc_value(struct snd_kcontrol *kcontrol, 401 struct snd_ctl_elem_value *ucontrol) 402 { 403 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 404 struct pmac_tumbler *mix; 405 mix = chip->mixer_data; 406 if (!mix) 407 return -ENODEV; 408 ucontrol->value.integer.value[0] = mix->drc_range; 409 return 0; 410 } 411 412 static int tumbler_put_drc_value(struct snd_kcontrol *kcontrol, 413 struct snd_ctl_elem_value *ucontrol) 414 { 415 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 416 struct pmac_tumbler *mix; 417 unsigned int val; 418 int change; 419 420 mix = chip->mixer_data; 421 if (!mix) 422 return -ENODEV; 423 val = ucontrol->value.integer.value[0]; 424 if (chip->model == PMAC_TUMBLER) { 425 if (val > TAS3001_DRC_MAX) 426 return -EINVAL; 427 } else { 428 if (val > TAS3004_DRC_MAX) 429 return -EINVAL; 430 } 431 change = mix->drc_range != val; 432 if (change) { 433 mix->drc_range = val; 434 if (chip->model == PMAC_TUMBLER) 435 tumbler_set_drc(mix); 436 else 437 snapper_set_drc(mix); 438 } 439 return change; 440 } 441 442 static int tumbler_get_drc_switch(struct snd_kcontrol *kcontrol, 443 struct snd_ctl_elem_value *ucontrol) 444 { 445 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 446 struct pmac_tumbler *mix; 447 mix = chip->mixer_data; 448 if (!mix) 449 return -ENODEV; 450 ucontrol->value.integer.value[0] = mix->drc_enable; 451 return 0; 452 } 453 454 static int tumbler_put_drc_switch(struct snd_kcontrol *kcontrol, 455 struct snd_ctl_elem_value *ucontrol) 456 { 457 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 458 struct pmac_tumbler *mix; 459 int change; 460 461 mix = chip->mixer_data; 462 if (!mix) 463 return -ENODEV; 464 change = mix->drc_enable != ucontrol->value.integer.value[0]; 465 if (change) { 466 mix->drc_enable = !!ucontrol->value.integer.value[0]; 467 if (chip->model == PMAC_TUMBLER) 468 tumbler_set_drc(mix); 469 else 470 snapper_set_drc(mix); 471 } 472 return change; 473 } 474 475 476 /* 477 * mono volumes 478 */ 479 480 struct tumbler_mono_vol { 481 int index; 482 int reg; 483 int bytes; 484 unsigned int max; 485 const unsigned int *table; 486 }; 487 488 static int tumbler_set_mono_volume(struct pmac_tumbler *mix, 489 const struct tumbler_mono_vol *info) 490 { 491 unsigned char block[4]; 492 unsigned int vol; 493 int i; 494 495 if (! mix->i2c.client) 496 return -ENODEV; 497 498 vol = mix->mono_vol[info->index]; 499 if (vol >= info->max) 500 vol = info->max - 1; 501 vol = info->table[vol]; 502 for (i = 0; i < info->bytes; i++) 503 block[i] = (vol >> ((info->bytes - i - 1) * 8)) & 0xff; 504 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, info->reg, 505 info->bytes, block) < 0) { 506 dev_err(&mix->i2c.client->dev, "failed to set mono volume %d\n", 507 info->index); 508 return -EINVAL; 509 } 510 return 0; 511 } 512 513 static int tumbler_info_mono(struct snd_kcontrol *kcontrol, 514 struct snd_ctl_elem_info *uinfo) 515 { 516 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value; 517 518 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 519 uinfo->count = 1; 520 uinfo->value.integer.min = 0; 521 uinfo->value.integer.max = info->max - 1; 522 return 0; 523 } 524 525 static int tumbler_get_mono(struct snd_kcontrol *kcontrol, 526 struct snd_ctl_elem_value *ucontrol) 527 { 528 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value; 529 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 530 struct pmac_tumbler *mix; 531 mix = chip->mixer_data; 532 if (!mix) 533 return -ENODEV; 534 ucontrol->value.integer.value[0] = mix->mono_vol[info->index]; 535 return 0; 536 } 537 538 static int tumbler_put_mono(struct snd_kcontrol *kcontrol, 539 struct snd_ctl_elem_value *ucontrol) 540 { 541 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value; 542 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 543 struct pmac_tumbler *mix; 544 unsigned int vol; 545 int change; 546 547 mix = chip->mixer_data; 548 if (!mix) 549 return -ENODEV; 550 vol = ucontrol->value.integer.value[0]; 551 if (vol >= info->max) 552 return -EINVAL; 553 change = mix->mono_vol[info->index] != vol; 554 if (change) { 555 mix->mono_vol[info->index] = vol; 556 tumbler_set_mono_volume(mix, info); 557 } 558 return change; 559 } 560 561 /* TAS3001c mono volumes */ 562 static const struct tumbler_mono_vol tumbler_pcm_vol_info = { 563 .index = VOL_IDX_PCM_MONO, 564 .reg = TAS_REG_PCM, 565 .bytes = 3, 566 .max = ARRAY_SIZE(mixer_volume_table), 567 .table = mixer_volume_table, 568 }; 569 570 static const struct tumbler_mono_vol tumbler_bass_vol_info = { 571 .index = VOL_IDX_BASS, 572 .reg = TAS_REG_BASS, 573 .bytes = 1, 574 .max = ARRAY_SIZE(bass_volume_table), 575 .table = bass_volume_table, 576 }; 577 578 static const struct tumbler_mono_vol tumbler_treble_vol_info = { 579 .index = VOL_IDX_TREBLE, 580 .reg = TAS_REG_TREBLE, 581 .bytes = 1, 582 .max = ARRAY_SIZE(treble_volume_table), 583 .table = treble_volume_table, 584 }; 585 586 /* TAS3004 mono volumes */ 587 static const struct tumbler_mono_vol snapper_bass_vol_info = { 588 .index = VOL_IDX_BASS, 589 .reg = TAS_REG_BASS, 590 .bytes = 1, 591 .max = ARRAY_SIZE(snapper_bass_volume_table), 592 .table = snapper_bass_volume_table, 593 }; 594 595 static const struct tumbler_mono_vol snapper_treble_vol_info = { 596 .index = VOL_IDX_TREBLE, 597 .reg = TAS_REG_TREBLE, 598 .bytes = 1, 599 .max = ARRAY_SIZE(snapper_treble_volume_table), 600 .table = snapper_treble_volume_table, 601 }; 602 603 604 #define DEFINE_MONO(xname,type) { \ 605 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\ 606 .name = xname, \ 607 .info = tumbler_info_mono, \ 608 .get = tumbler_get_mono, \ 609 .put = tumbler_put_mono, \ 610 .private_value = (unsigned long)(&tumbler_##type##_vol_info), \ 611 } 612 613 #define DEFINE_SNAPPER_MONO(xname,type) { \ 614 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\ 615 .name = xname, \ 616 .info = tumbler_info_mono, \ 617 .get = tumbler_get_mono, \ 618 .put = tumbler_put_mono, \ 619 .private_value = (unsigned long)(&snapper_##type##_vol_info), \ 620 } 621 622 623 /* 624 * snapper mixer volumes 625 */ 626 627 static int snapper_set_mix_vol1(struct pmac_tumbler *mix, int idx, int ch, int reg) 628 { 629 int i, j, vol; 630 unsigned char block[9]; 631 632 vol = mix->mix_vol[idx][ch]; 633 if (vol >= ARRAY_SIZE(mixer_volume_table)) { 634 vol = ARRAY_SIZE(mixer_volume_table) - 1; 635 mix->mix_vol[idx][ch] = vol; 636 } 637 638 for (i = 0; i < 3; i++) { 639 vol = mix->mix_vol[i][ch]; 640 vol = mixer_volume_table[vol]; 641 for (j = 0; j < 3; j++) 642 block[i * 3 + j] = (vol >> ((2 - j) * 8)) & 0xff; 643 } 644 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, reg, 645 9, block) < 0) { 646 dev_err(&mix->i2c.client->dev, 647 "failed to set mono volume %d\n", reg); 648 return -EINVAL; 649 } 650 return 0; 651 } 652 653 static int snapper_set_mix_vol(struct pmac_tumbler *mix, int idx) 654 { 655 if (! mix->i2c.client) 656 return -ENODEV; 657 if (snapper_set_mix_vol1(mix, idx, 0, TAS_REG_LMIX) < 0 || 658 snapper_set_mix_vol1(mix, idx, 1, TAS_REG_RMIX) < 0) 659 return -EINVAL; 660 return 0; 661 } 662 663 static int snapper_info_mix(struct snd_kcontrol *kcontrol, 664 struct snd_ctl_elem_info *uinfo) 665 { 666 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 667 uinfo->count = 2; 668 uinfo->value.integer.min = 0; 669 uinfo->value.integer.max = ARRAY_SIZE(mixer_volume_table) - 1; 670 return 0; 671 } 672 673 static int snapper_get_mix(struct snd_kcontrol *kcontrol, 674 struct snd_ctl_elem_value *ucontrol) 675 { 676 int idx = (int)kcontrol->private_value; 677 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 678 struct pmac_tumbler *mix; 679 mix = chip->mixer_data; 680 if (!mix) 681 return -ENODEV; 682 ucontrol->value.integer.value[0] = mix->mix_vol[idx][0]; 683 ucontrol->value.integer.value[1] = mix->mix_vol[idx][1]; 684 return 0; 685 } 686 687 static int snapper_put_mix(struct snd_kcontrol *kcontrol, 688 struct snd_ctl_elem_value *ucontrol) 689 { 690 int idx = (int)kcontrol->private_value; 691 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 692 struct pmac_tumbler *mix; 693 unsigned int vol[2]; 694 int change; 695 696 mix = chip->mixer_data; 697 if (!mix) 698 return -ENODEV; 699 vol[0] = ucontrol->value.integer.value[0]; 700 vol[1] = ucontrol->value.integer.value[1]; 701 if (vol[0] >= ARRAY_SIZE(mixer_volume_table) || 702 vol[1] >= ARRAY_SIZE(mixer_volume_table)) 703 return -EINVAL; 704 change = mix->mix_vol[idx][0] != vol[0] || 705 mix->mix_vol[idx][1] != vol[1]; 706 if (change) { 707 mix->mix_vol[idx][0] = vol[0]; 708 mix->mix_vol[idx][1] = vol[1]; 709 snapper_set_mix_vol(mix, idx); 710 } 711 return change; 712 } 713 714 715 /* 716 * mute switches. FIXME: Turn that into software mute when both outputs are muted 717 * to avoid codec reset on ibook M7 718 */ 719 720 enum { TUMBLER_MUTE_HP, TUMBLER_MUTE_AMP, TUMBLER_MUTE_LINE }; 721 722 static 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 mix = chip->mixer_data; 729 if (!mix) 730 return -ENODEV; 731 switch(kcontrol->private_value) { 732 case TUMBLER_MUTE_HP: 733 gp = &mix->hp_mute; break; 734 case TUMBLER_MUTE_AMP: 735 gp = &mix->amp_mute; break; 736 case TUMBLER_MUTE_LINE: 737 gp = &mix->line_mute; break; 738 default: 739 gp = NULL; 740 } 741 if (gp == NULL) 742 return -EINVAL; 743 ucontrol->value.integer.value[0] = !check_audio_gpio(gp); 744 return 0; 745 } 746 747 static int tumbler_put_mute_switch(struct snd_kcontrol *kcontrol, 748 struct snd_ctl_elem_value *ucontrol) 749 { 750 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 751 struct pmac_tumbler *mix; 752 struct pmac_gpio *gp; 753 int val; 754 #ifdef PMAC_SUPPORT_AUTOMUTE 755 if (chip->update_automute && chip->auto_mute) 756 return 0; /* don't touch in the auto-mute mode */ 757 #endif 758 mix = chip->mixer_data; 759 if (!mix) 760 return -ENODEV; 761 switch(kcontrol->private_value) { 762 case TUMBLER_MUTE_HP: 763 gp = &mix->hp_mute; break; 764 case TUMBLER_MUTE_AMP: 765 gp = &mix->amp_mute; break; 766 case TUMBLER_MUTE_LINE: 767 gp = &mix->line_mute; break; 768 default: 769 gp = NULL; 770 } 771 if (gp == NULL) 772 return -EINVAL; 773 val = ! check_audio_gpio(gp); 774 if (val != ucontrol->value.integer.value[0]) { 775 write_audio_gpio(gp, ! ucontrol->value.integer.value[0]); 776 return 1; 777 } 778 return 0; 779 } 780 781 static int snapper_set_capture_source(struct pmac_tumbler *mix) 782 { 783 if (! mix->i2c.client) 784 return -ENODEV; 785 if (mix->capture_source) 786 mix->acs |= 2; 787 else 788 mix->acs &= ~2; 789 return i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs); 790 } 791 792 static int snapper_info_capture_source(struct snd_kcontrol *kcontrol, 793 struct snd_ctl_elem_info *uinfo) 794 { 795 static const char * const texts[2] = { 796 "Line", "Mic" 797 }; 798 799 return snd_ctl_enum_info(uinfo, 1, 2, texts); 800 } 801 802 static int snapper_get_capture_source(struct snd_kcontrol *kcontrol, 803 struct snd_ctl_elem_value *ucontrol) 804 { 805 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 806 struct pmac_tumbler *mix = chip->mixer_data; 807 808 ucontrol->value.enumerated.item[0] = mix->capture_source; 809 return 0; 810 } 811 812 static int snapper_put_capture_source(struct snd_kcontrol *kcontrol, 813 struct snd_ctl_elem_value *ucontrol) 814 { 815 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 816 struct pmac_tumbler *mix = chip->mixer_data; 817 int change; 818 819 change = ucontrol->value.enumerated.item[0] != mix->capture_source; 820 if (change) { 821 mix->capture_source = !!ucontrol->value.enumerated.item[0]; 822 snapper_set_capture_source(mix); 823 } 824 return change; 825 } 826 827 #define DEFINE_SNAPPER_MIX(xname,idx,ofs) { \ 828 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\ 829 .name = xname, \ 830 .info = snapper_info_mix, \ 831 .get = snapper_get_mix, \ 832 .put = snapper_put_mix, \ 833 .index = idx,\ 834 .private_value = ofs, \ 835 } 836 837 838 /* 839 */ 840 static const struct snd_kcontrol_new tumbler_mixers[] = { 841 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 842 .name = "Master Playback Volume", 843 .info = tumbler_info_master_volume, 844 .get = tumbler_get_master_volume, 845 .put = tumbler_put_master_volume 846 }, 847 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 848 .name = "Master Playback Switch", 849 .info = snd_pmac_boolean_stereo_info, 850 .get = tumbler_get_master_switch, 851 .put = tumbler_put_master_switch 852 }, 853 DEFINE_MONO("Tone Control - Bass", bass), 854 DEFINE_MONO("Tone Control - Treble", treble), 855 DEFINE_MONO("PCM Playback Volume", pcm), 856 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 857 .name = "DRC Range", 858 .info = tumbler_info_drc_value, 859 .get = tumbler_get_drc_value, 860 .put = tumbler_put_drc_value 861 }, 862 }; 863 864 static const struct snd_kcontrol_new snapper_mixers[] = { 865 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 866 .name = "Master Playback Volume", 867 .info = tumbler_info_master_volume, 868 .get = tumbler_get_master_volume, 869 .put = tumbler_put_master_volume 870 }, 871 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 872 .name = "Master Playback Switch", 873 .info = snd_pmac_boolean_stereo_info, 874 .get = tumbler_get_master_switch, 875 .put = tumbler_put_master_switch 876 }, 877 DEFINE_SNAPPER_MIX("PCM Playback Volume", 0, VOL_IDX_PCM), 878 /* Alternative PCM is assigned to Mic analog loopback on iBook G4 */ 879 DEFINE_SNAPPER_MIX("Mic Playback Volume", 0, VOL_IDX_PCM2), 880 DEFINE_SNAPPER_MIX("Monitor Mix Volume", 0, VOL_IDX_ADC), 881 DEFINE_SNAPPER_MONO("Tone Control - Bass", bass), 882 DEFINE_SNAPPER_MONO("Tone Control - Treble", treble), 883 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 884 .name = "DRC Range", 885 .info = tumbler_info_drc_value, 886 .get = tumbler_get_drc_value, 887 .put = tumbler_put_drc_value 888 }, 889 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 890 .name = "Input Source", /* FIXME: "Capture Source" doesn't work properly */ 891 .info = snapper_info_capture_source, 892 .get = snapper_get_capture_source, 893 .put = snapper_put_capture_source 894 }, 895 }; 896 897 static const struct snd_kcontrol_new tumbler_hp_sw = { 898 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 899 .name = "Headphone Playback Switch", 900 .info = snd_pmac_boolean_mono_info, 901 .get = tumbler_get_mute_switch, 902 .put = tumbler_put_mute_switch, 903 .private_value = TUMBLER_MUTE_HP, 904 }; 905 static const struct snd_kcontrol_new tumbler_speaker_sw = { 906 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 907 .name = "Speaker Playback Switch", 908 .info = snd_pmac_boolean_mono_info, 909 .get = tumbler_get_mute_switch, 910 .put = tumbler_put_mute_switch, 911 .private_value = TUMBLER_MUTE_AMP, 912 }; 913 static const struct snd_kcontrol_new tumbler_lineout_sw = { 914 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 915 .name = "Line Out Playback Switch", 916 .info = snd_pmac_boolean_mono_info, 917 .get = tumbler_get_mute_switch, 918 .put = tumbler_put_mute_switch, 919 .private_value = TUMBLER_MUTE_LINE, 920 }; 921 static const struct snd_kcontrol_new tumbler_drc_sw = { 922 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 923 .name = "DRC Switch", 924 .info = snd_pmac_boolean_mono_info, 925 .get = tumbler_get_drc_switch, 926 .put = tumbler_put_drc_switch 927 }; 928 929 930 #ifdef PMAC_SUPPORT_AUTOMUTE 931 /* 932 * auto-mute stuffs 933 */ 934 static int tumbler_detect_headphone(struct snd_pmac *chip) 935 { 936 struct pmac_tumbler *mix = chip->mixer_data; 937 int detect = 0; 938 939 if (mix->hp_detect.addr) 940 detect |= read_audio_gpio(&mix->hp_detect); 941 return detect; 942 } 943 944 static int tumbler_detect_lineout(struct snd_pmac *chip) 945 { 946 struct pmac_tumbler *mix = chip->mixer_data; 947 int detect = 0; 948 949 if (mix->line_detect.addr) 950 detect |= read_audio_gpio(&mix->line_detect); 951 return detect; 952 } 953 954 static void check_mute(struct snd_pmac *chip, struct pmac_gpio *gp, int val, int do_notify, 955 struct snd_kcontrol *sw) 956 { 957 if (check_audio_gpio(gp) != val) { 958 write_audio_gpio(gp, val); 959 if (do_notify) 960 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, 961 &sw->id); 962 } 963 } 964 965 static struct work_struct device_change; 966 static struct snd_pmac *device_change_chip; 967 968 static void device_change_handler(struct work_struct *work) 969 { 970 struct snd_pmac *chip = device_change_chip; 971 struct pmac_tumbler *mix; 972 int headphone, lineout; 973 974 if (!chip) 975 return; 976 977 mix = chip->mixer_data; 978 if (snd_BUG_ON(!mix)) 979 return; 980 981 headphone = tumbler_detect_headphone(chip); 982 lineout = tumbler_detect_lineout(chip); 983 984 DBG("headphone: %d, lineout: %d\n", headphone, lineout); 985 986 if (headphone || lineout) { 987 /* unmute headphone/lineout & mute speaker */ 988 if (headphone) 989 check_mute(chip, &mix->hp_mute, 0, mix->auto_mute_notify, 990 chip->master_sw_ctl); 991 if (lineout && mix->line_mute.addr != 0) 992 check_mute(chip, &mix->line_mute, 0, mix->auto_mute_notify, 993 chip->lineout_sw_ctl); 994 if (mix->anded_reset) 995 msleep(10); 996 check_mute(chip, &mix->amp_mute, !IS_G4DA, mix->auto_mute_notify, 997 chip->speaker_sw_ctl); 998 } else { 999 /* unmute speaker, mute others */ 1000 check_mute(chip, &mix->amp_mute, 0, mix->auto_mute_notify, 1001 chip->speaker_sw_ctl); 1002 if (mix->anded_reset) 1003 msleep(10); 1004 check_mute(chip, &mix->hp_mute, 1, mix->auto_mute_notify, 1005 chip->master_sw_ctl); 1006 if (mix->line_mute.addr != 0) 1007 check_mute(chip, &mix->line_mute, 1, mix->auto_mute_notify, 1008 chip->lineout_sw_ctl); 1009 } 1010 if (mix->auto_mute_notify) 1011 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, 1012 &chip->hp_detect_ctl->id); 1013 1014 #ifdef CONFIG_SND_POWERMAC_AUTO_DRC 1015 mix->drc_enable = ! (headphone || lineout); 1016 if (mix->auto_mute_notify) 1017 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, 1018 &chip->drc_sw_ctl->id); 1019 if (chip->model == PMAC_TUMBLER) 1020 tumbler_set_drc(mix); 1021 else 1022 snapper_set_drc(mix); 1023 #endif 1024 1025 /* reset the master volume so the correct amplification is applied */ 1026 tumbler_set_master_volume(mix); 1027 } 1028 1029 static void tumbler_update_automute(struct snd_pmac *chip, int do_notify) 1030 { 1031 if (chip->auto_mute) { 1032 struct pmac_tumbler *mix; 1033 mix = chip->mixer_data; 1034 if (snd_BUG_ON(!mix)) 1035 return; 1036 mix->auto_mute_notify = do_notify; 1037 schedule_work(&device_change); 1038 } 1039 } 1040 #endif /* PMAC_SUPPORT_AUTOMUTE */ 1041 1042 1043 /* interrupt - headphone plug changed */ 1044 static irqreturn_t headphone_intr(int irq, void *devid) 1045 { 1046 struct snd_pmac *chip = devid; 1047 if (chip->update_automute && chip->initialized) { 1048 chip->update_automute(chip, 1); 1049 return IRQ_HANDLED; 1050 } 1051 return IRQ_NONE; 1052 } 1053 1054 /* look for audio-gpio device */ 1055 static struct device_node *find_audio_device(const char *name) 1056 { 1057 struct device_node *gpiop; 1058 struct device_node *np; 1059 1060 gpiop = of_find_node_by_name(NULL, "gpio"); 1061 if (! gpiop) 1062 return NULL; 1063 1064 for_each_child_of_node(gpiop, np) { 1065 const char *property = of_get_property(np, "audio-gpio", NULL); 1066 if (property && strcmp(property, name) == 0) 1067 break; 1068 } 1069 of_node_put(gpiop); 1070 return np; 1071 } 1072 1073 /* look for audio-gpio device */ 1074 static struct device_node *find_compatible_audio_device(const char *name) 1075 { 1076 struct device_node *gpiop; 1077 struct device_node *np; 1078 1079 gpiop = of_find_node_by_name(NULL, "gpio"); 1080 if (!gpiop) 1081 return NULL; 1082 1083 for_each_child_of_node(gpiop, np) { 1084 if (of_device_is_compatible(np, name)) 1085 break; 1086 } 1087 of_node_put(gpiop); 1088 return np; 1089 } 1090 1091 /* find an audio device and get its address */ 1092 static long tumbler_find_device(const char *device, const char *platform, 1093 struct pmac_gpio *gp, int is_compatible) 1094 { 1095 struct device_node *node; 1096 const u32 *base; 1097 u32 addr; 1098 long ret; 1099 1100 if (is_compatible) 1101 node = find_compatible_audio_device(device); 1102 else 1103 node = find_audio_device(device); 1104 if (! node) { 1105 DBG("(W) cannot find audio device %s !\n", device); 1106 return -ENODEV; 1107 } 1108 1109 base = of_get_property(node, "AAPL,address", NULL); 1110 if (! base) { 1111 base = of_get_property(node, "reg", NULL); 1112 if (!base) { 1113 DBG("(E) cannot find address for device %s !\n", device); 1114 of_node_put(node); 1115 return -ENODEV; 1116 } 1117 addr = *base; 1118 if (addr < 0x50) 1119 addr += 0x50; 1120 } else 1121 addr = *base; 1122 1123 gp->addr = addr & 0x0000ffff; 1124 /* Try to find the active state, default to 0 ! */ 1125 base = of_get_property(node, "audio-gpio-active-state", NULL); 1126 if (base) { 1127 gp->active_state = *base; 1128 gp->active_val = (*base) ? 0x5 : 0x4; 1129 gp->inactive_val = (*base) ? 0x4 : 0x5; 1130 } else { 1131 const u32 *prop = NULL; 1132 gp->active_state = IS_G4DA 1133 && !strncmp(device, "keywest-gpio1", 13); 1134 gp->active_val = 0x4; 1135 gp->inactive_val = 0x5; 1136 /* Here are some crude hacks to extract the GPIO polarity and 1137 * open collector informations out of the do-platform script 1138 * as we don't yet have an interpreter for these things 1139 */ 1140 if (platform) 1141 prop = of_get_property(node, platform, NULL); 1142 if (prop) { 1143 if (prop[3] == 0x9 && prop[4] == 0x9) { 1144 gp->active_val = 0xd; 1145 gp->inactive_val = 0xc; 1146 } 1147 if (prop[3] == 0x1 && prop[4] == 0x1) { 1148 gp->active_val = 0x5; 1149 gp->inactive_val = 0x4; 1150 } 1151 } 1152 } 1153 1154 DBG("(I) GPIO device %s found, offset: %x, active state: %d !\n", 1155 device, gp->addr, gp->active_state); 1156 1157 ret = irq_of_parse_and_map(node, 0); 1158 of_node_put(node); 1159 return ret; 1160 } 1161 1162 /* reset audio */ 1163 static void tumbler_reset_audio(struct snd_pmac *chip) 1164 { 1165 struct pmac_tumbler *mix = chip->mixer_data; 1166 1167 if (mix->anded_reset) { 1168 DBG("(I) codec anded reset !\n"); 1169 write_audio_gpio(&mix->hp_mute, 0); 1170 write_audio_gpio(&mix->amp_mute, 0); 1171 msleep(200); 1172 write_audio_gpio(&mix->hp_mute, 1); 1173 write_audio_gpio(&mix->amp_mute, 1); 1174 msleep(100); 1175 write_audio_gpio(&mix->hp_mute, 0); 1176 write_audio_gpio(&mix->amp_mute, 0); 1177 msleep(100); 1178 } else { 1179 DBG("(I) codec normal reset !\n"); 1180 1181 write_audio_gpio(&mix->audio_reset, 0); 1182 msleep(200); 1183 write_audio_gpio(&mix->audio_reset, 1); 1184 msleep(100); 1185 write_audio_gpio(&mix->audio_reset, 0); 1186 msleep(100); 1187 } 1188 } 1189 1190 #ifdef CONFIG_PM 1191 /* suspend mixer */ 1192 static void tumbler_suspend(struct snd_pmac *chip) 1193 { 1194 struct pmac_tumbler *mix = chip->mixer_data; 1195 1196 if (mix->headphone_irq >= 0) 1197 disable_irq(mix->headphone_irq); 1198 if (mix->lineout_irq >= 0) 1199 disable_irq(mix->lineout_irq); 1200 mix->save_master_switch[0] = mix->master_switch[0]; 1201 mix->save_master_switch[1] = mix->master_switch[1]; 1202 mix->save_master_vol[0] = mix->master_vol[0]; 1203 mix->save_master_vol[1] = mix->master_vol[1]; 1204 mix->master_switch[0] = mix->master_switch[1] = 0; 1205 tumbler_set_master_volume(mix); 1206 if (!mix->anded_reset) { 1207 write_audio_gpio(&mix->amp_mute, 1); 1208 write_audio_gpio(&mix->hp_mute, 1); 1209 } 1210 if (chip->model == PMAC_SNAPPER) { 1211 mix->acs |= 1; 1212 i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs); 1213 } 1214 if (mix->anded_reset) { 1215 write_audio_gpio(&mix->amp_mute, 1); 1216 write_audio_gpio(&mix->hp_mute, 1); 1217 } else 1218 write_audio_gpio(&mix->audio_reset, 1); 1219 } 1220 1221 /* resume mixer */ 1222 static void tumbler_resume(struct snd_pmac *chip) 1223 { 1224 struct pmac_tumbler *mix = chip->mixer_data; 1225 1226 mix->acs &= ~1; 1227 mix->master_switch[0] = mix->save_master_switch[0]; 1228 mix->master_switch[1] = mix->save_master_switch[1]; 1229 mix->master_vol[0] = mix->save_master_vol[0]; 1230 mix->master_vol[1] = mix->save_master_vol[1]; 1231 tumbler_reset_audio(chip); 1232 if (mix->i2c.client && mix->i2c.init_client) { 1233 if (mix->i2c.init_client(&mix->i2c) < 0) 1234 dev_err(chip->card->dev, "tumbler_init_client error\n"); 1235 } else 1236 dev_err(chip->card->dev, "tumbler: i2c is not initialized\n"); 1237 if (chip->model == PMAC_TUMBLER) { 1238 tumbler_set_mono_volume(mix, &tumbler_pcm_vol_info); 1239 tumbler_set_mono_volume(mix, &tumbler_bass_vol_info); 1240 tumbler_set_mono_volume(mix, &tumbler_treble_vol_info); 1241 tumbler_set_drc(mix); 1242 } else { 1243 snapper_set_mix_vol(mix, VOL_IDX_PCM); 1244 snapper_set_mix_vol(mix, VOL_IDX_PCM2); 1245 snapper_set_mix_vol(mix, VOL_IDX_ADC); 1246 tumbler_set_mono_volume(mix, &snapper_bass_vol_info); 1247 tumbler_set_mono_volume(mix, &snapper_treble_vol_info); 1248 snapper_set_drc(mix); 1249 snapper_set_capture_source(mix); 1250 } 1251 tumbler_set_master_volume(mix); 1252 if (chip->update_automute) 1253 chip->update_automute(chip, 0); 1254 if (mix->headphone_irq >= 0) { 1255 unsigned char val; 1256 1257 enable_irq(mix->headphone_irq); 1258 /* activate headphone status interrupts */ 1259 val = do_gpio_read(&mix->hp_detect); 1260 do_gpio_write(&mix->hp_detect, val | 0x80); 1261 } 1262 if (mix->lineout_irq >= 0) 1263 enable_irq(mix->lineout_irq); 1264 } 1265 #endif 1266 1267 /* initialize tumbler */ 1268 static int tumbler_init(struct snd_pmac *chip) 1269 { 1270 int irq; 1271 struct pmac_tumbler *mix = chip->mixer_data; 1272 1273 if (tumbler_find_device("audio-hw-reset", 1274 "platform-do-hw-reset", 1275 &mix->audio_reset, 0) < 0) 1276 tumbler_find_device("hw-reset", 1277 "platform-do-hw-reset", 1278 &mix->audio_reset, 1); 1279 if (tumbler_find_device("amp-mute", 1280 "platform-do-amp-mute", 1281 &mix->amp_mute, 0) < 0) 1282 tumbler_find_device("amp-mute", 1283 "platform-do-amp-mute", 1284 &mix->amp_mute, 1); 1285 if (tumbler_find_device("headphone-mute", 1286 "platform-do-headphone-mute", 1287 &mix->hp_mute, 0) < 0) 1288 tumbler_find_device("headphone-mute", 1289 "platform-do-headphone-mute", 1290 &mix->hp_mute, 1); 1291 if (tumbler_find_device("line-output-mute", 1292 "platform-do-lineout-mute", 1293 &mix->line_mute, 0) < 0) 1294 tumbler_find_device("line-output-mute", 1295 "platform-do-lineout-mute", 1296 &mix->line_mute, 1); 1297 irq = tumbler_find_device("headphone-detect", 1298 NULL, &mix->hp_detect, 0); 1299 if (irq <= 0) 1300 irq = tumbler_find_device("headphone-detect", 1301 NULL, &mix->hp_detect, 1); 1302 if (irq <= 0) 1303 irq = tumbler_find_device("keywest-gpio15", 1304 NULL, &mix->hp_detect, 1); 1305 mix->headphone_irq = irq; 1306 irq = tumbler_find_device("line-output-detect", 1307 NULL, &mix->line_detect, 0); 1308 if (irq <= 0) 1309 irq = tumbler_find_device("line-output-detect", 1310 NULL, &mix->line_detect, 1); 1311 if (IS_G4DA && irq <= 0) 1312 irq = tumbler_find_device("keywest-gpio16", 1313 NULL, &mix->line_detect, 1); 1314 mix->lineout_irq = irq; 1315 1316 tumbler_reset_audio(chip); 1317 1318 return 0; 1319 } 1320 1321 static void tumbler_cleanup(struct snd_pmac *chip) 1322 { 1323 struct pmac_tumbler *mix = chip->mixer_data; 1324 if (! mix) 1325 return; 1326 1327 if (mix->headphone_irq >= 0) 1328 free_irq(mix->headphone_irq, chip); 1329 if (mix->lineout_irq >= 0) 1330 free_irq(mix->lineout_irq, chip); 1331 tumbler_gpio_free(&mix->audio_reset); 1332 tumbler_gpio_free(&mix->amp_mute); 1333 tumbler_gpio_free(&mix->hp_mute); 1334 tumbler_gpio_free(&mix->hp_detect); 1335 snd_pmac_keywest_cleanup(&mix->i2c); 1336 kfree(mix); 1337 chip->mixer_data = NULL; 1338 } 1339 1340 /* exported */ 1341 int snd_pmac_tumbler_init(struct snd_pmac *chip) 1342 { 1343 int i, err; 1344 struct pmac_tumbler *mix; 1345 const u32 *paddr; 1346 struct device_node *tas_node, *np; 1347 char *chipname; 1348 1349 request_module("i2c-powermac"); 1350 1351 mix = kzalloc(sizeof(*mix), GFP_KERNEL); 1352 if (! mix) 1353 return -ENOMEM; 1354 mix->headphone_irq = -1; 1355 1356 chip->mixer_data = mix; 1357 chip->mixer_free = tumbler_cleanup; 1358 mix->anded_reset = 0; 1359 mix->reset_on_sleep = 1; 1360 1361 for_each_child_of_node(chip->node, np) { 1362 if (of_node_name_eq(np, "sound")) { 1363 if (of_property_read_bool(np, "has-anded-reset")) 1364 mix->anded_reset = 1; 1365 if (of_property_present(np, "layout-id")) 1366 mix->reset_on_sleep = 0; 1367 of_node_put(np); 1368 break; 1369 } 1370 } 1371 err = tumbler_init(chip); 1372 if (err < 0) 1373 return err; 1374 1375 /* set up TAS */ 1376 tas_node = of_find_node_by_name(NULL, "deq"); 1377 if (tas_node == NULL) 1378 tas_node = of_find_node_by_name(NULL, "codec"); 1379 if (tas_node == NULL) 1380 return -ENODEV; 1381 1382 paddr = of_get_property(tas_node, "i2c-address", NULL); 1383 if (paddr == NULL) 1384 paddr = of_get_property(tas_node, "reg", NULL); 1385 if (paddr) 1386 mix->i2c.addr = (*paddr) >> 1; 1387 else 1388 mix->i2c.addr = TAS_I2C_ADDR; 1389 of_node_put(tas_node); 1390 1391 DBG("(I) TAS i2c address is: %x\n", mix->i2c.addr); 1392 1393 if (chip->model == PMAC_TUMBLER) { 1394 mix->i2c.init_client = tumbler_init_client; 1395 mix->i2c.name = "TAS3001c"; 1396 chipname = "Tumbler"; 1397 } else { 1398 mix->i2c.init_client = snapper_init_client; 1399 mix->i2c.name = "TAS3004"; 1400 chipname = "Snapper"; 1401 } 1402 1403 err = snd_pmac_keywest_init(&mix->i2c); 1404 if (err < 0) 1405 return err; 1406 1407 /* 1408 * build mixers 1409 */ 1410 sprintf(chip->card->mixername, "PowerMac %s", chipname); 1411 1412 if (chip->model == PMAC_TUMBLER) { 1413 for (i = 0; i < ARRAY_SIZE(tumbler_mixers); i++) { 1414 err = snd_ctl_add(chip->card, snd_ctl_new1(&tumbler_mixers[i], chip)); 1415 if (err < 0) 1416 return err; 1417 } 1418 } else { 1419 for (i = 0; i < ARRAY_SIZE(snapper_mixers); i++) { 1420 err = snd_ctl_add(chip->card, snd_ctl_new1(&snapper_mixers[i], chip)); 1421 if (err < 0) 1422 return err; 1423 } 1424 } 1425 chip->master_sw_ctl = snd_ctl_new1(&tumbler_hp_sw, chip); 1426 err = snd_ctl_add(chip->card, chip->master_sw_ctl); 1427 if (err < 0) 1428 return err; 1429 chip->speaker_sw_ctl = snd_ctl_new1(&tumbler_speaker_sw, chip); 1430 err = snd_ctl_add(chip->card, chip->speaker_sw_ctl); 1431 if (err < 0) 1432 return err; 1433 if (mix->line_mute.addr != 0) { 1434 chip->lineout_sw_ctl = snd_ctl_new1(&tumbler_lineout_sw, chip); 1435 err = snd_ctl_add(chip->card, chip->lineout_sw_ctl); 1436 if (err < 0) 1437 return err; 1438 } 1439 chip->drc_sw_ctl = snd_ctl_new1(&tumbler_drc_sw, chip); 1440 err = snd_ctl_add(chip->card, chip->drc_sw_ctl); 1441 if (err < 0) 1442 return err; 1443 1444 /* set initial DRC range to 60% */ 1445 if (chip->model == PMAC_TUMBLER) 1446 mix->drc_range = (TAS3001_DRC_MAX * 6) / 10; 1447 else 1448 mix->drc_range = (TAS3004_DRC_MAX * 6) / 10; 1449 mix->drc_enable = 1; /* will be changed later if AUTO_DRC is set */ 1450 if (chip->model == PMAC_TUMBLER) 1451 tumbler_set_drc(mix); 1452 else 1453 snapper_set_drc(mix); 1454 1455 #ifdef CONFIG_PM 1456 chip->suspend = tumbler_suspend; 1457 chip->resume = tumbler_resume; 1458 #endif 1459 1460 INIT_WORK(&device_change, device_change_handler); 1461 device_change_chip = chip; 1462 1463 #ifdef PMAC_SUPPORT_AUTOMUTE 1464 if (mix->headphone_irq >= 0 || mix->lineout_irq >= 0) { 1465 err = snd_pmac_add_automute(chip); 1466 if (err < 0) 1467 return err; 1468 } 1469 chip->detect_headphone = tumbler_detect_headphone; 1470 chip->update_automute = tumbler_update_automute; 1471 tumbler_update_automute(chip, 0); /* update the status only */ 1472 1473 /* activate headphone status interrupts */ 1474 if (mix->headphone_irq >= 0) { 1475 unsigned char val; 1476 err = request_irq(mix->headphone_irq, headphone_intr, 0, 1477 "Sound Headphone Detection", chip); 1478 if (err < 0) 1479 return 0; 1480 /* activate headphone status interrupts */ 1481 val = do_gpio_read(&mix->hp_detect); 1482 do_gpio_write(&mix->hp_detect, val | 0x80); 1483 } 1484 if (mix->lineout_irq >= 0) { 1485 unsigned char val; 1486 err = request_irq(mix->lineout_irq, headphone_intr, 0, 1487 "Sound Lineout Detection", chip); 1488 if (err < 0) 1489 return 0; 1490 /* activate headphone status interrupts */ 1491 val = do_gpio_read(&mix->line_detect); 1492 do_gpio_write(&mix->line_detect, val | 0x80); 1493 } 1494 #endif 1495 1496 return 0; 1497 } 1498