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...) printk(KERN_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 snd_printk(KERN_ERR "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 snd_printk(KERN_ERR "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 snd_printk(KERN_ERR "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 snd_printk(KERN_ERR "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 snd_printk(KERN_ERR "failed to set mono volume %d\n", reg); 647 return -EINVAL; 648 } 649 return 0; 650 } 651 652 static int snapper_set_mix_vol(struct pmac_tumbler *mix, int idx) 653 { 654 if (! mix->i2c.client) 655 return -ENODEV; 656 if (snapper_set_mix_vol1(mix, idx, 0, TAS_REG_LMIX) < 0 || 657 snapper_set_mix_vol1(mix, idx, 1, TAS_REG_RMIX) < 0) 658 return -EINVAL; 659 return 0; 660 } 661 662 static int snapper_info_mix(struct snd_kcontrol *kcontrol, 663 struct snd_ctl_elem_info *uinfo) 664 { 665 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 666 uinfo->count = 2; 667 uinfo->value.integer.min = 0; 668 uinfo->value.integer.max = ARRAY_SIZE(mixer_volume_table) - 1; 669 return 0; 670 } 671 672 static int snapper_get_mix(struct snd_kcontrol *kcontrol, 673 struct snd_ctl_elem_value *ucontrol) 674 { 675 int idx = (int)kcontrol->private_value; 676 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 677 struct pmac_tumbler *mix; 678 mix = chip->mixer_data; 679 if (!mix) 680 return -ENODEV; 681 ucontrol->value.integer.value[0] = mix->mix_vol[idx][0]; 682 ucontrol->value.integer.value[1] = mix->mix_vol[idx][1]; 683 return 0; 684 } 685 686 static int snapper_put_mix(struct snd_kcontrol *kcontrol, 687 struct snd_ctl_elem_value *ucontrol) 688 { 689 int idx = (int)kcontrol->private_value; 690 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 691 struct pmac_tumbler *mix; 692 unsigned int vol[2]; 693 int change; 694 695 mix = chip->mixer_data; 696 if (!mix) 697 return -ENODEV; 698 vol[0] = ucontrol->value.integer.value[0]; 699 vol[1] = ucontrol->value.integer.value[1]; 700 if (vol[0] >= ARRAY_SIZE(mixer_volume_table) || 701 vol[1] >= ARRAY_SIZE(mixer_volume_table)) 702 return -EINVAL; 703 change = mix->mix_vol[idx][0] != vol[0] || 704 mix->mix_vol[idx][1] != vol[1]; 705 if (change) { 706 mix->mix_vol[idx][0] = vol[0]; 707 mix->mix_vol[idx][1] = vol[1]; 708 snapper_set_mix_vol(mix, idx); 709 } 710 return change; 711 } 712 713 714 /* 715 * mute switches. FIXME: Turn that into software mute when both outputs are muted 716 * to avoid codec reset on ibook M7 717 */ 718 719 enum { TUMBLER_MUTE_HP, TUMBLER_MUTE_AMP, TUMBLER_MUTE_LINE }; 720 721 static int tumbler_get_mute_switch(struct snd_kcontrol *kcontrol, 722 struct snd_ctl_elem_value *ucontrol) 723 { 724 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 725 struct pmac_tumbler *mix; 726 struct pmac_gpio *gp; 727 mix = chip->mixer_data; 728 if (!mix) 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 } 745 746 static 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 mix = chip->mixer_data; 758 if (!mix) 759 return -ENODEV; 760 switch(kcontrol->private_value) { 761 case TUMBLER_MUTE_HP: 762 gp = &mix->hp_mute; break; 763 case TUMBLER_MUTE_AMP: 764 gp = &mix->amp_mute; break; 765 case TUMBLER_MUTE_LINE: 766 gp = &mix->line_mute; break; 767 default: 768 gp = NULL; 769 } 770 if (gp == NULL) 771 return -EINVAL; 772 val = ! check_audio_gpio(gp); 773 if (val != ucontrol->value.integer.value[0]) { 774 write_audio_gpio(gp, ! ucontrol->value.integer.value[0]); 775 return 1; 776 } 777 return 0; 778 } 779 780 static int snapper_set_capture_source(struct pmac_tumbler *mix) 781 { 782 if (! mix->i2c.client) 783 return -ENODEV; 784 if (mix->capture_source) 785 mix->acs |= 2; 786 else 787 mix->acs &= ~2; 788 return i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs); 789 } 790 791 static int snapper_info_capture_source(struct snd_kcontrol *kcontrol, 792 struct snd_ctl_elem_info *uinfo) 793 { 794 static const char * const texts[2] = { 795 "Line", "Mic" 796 }; 797 798 return snd_ctl_enum_info(uinfo, 1, 2, texts); 799 } 800 801 static int snapper_get_capture_source(struct snd_kcontrol *kcontrol, 802 struct snd_ctl_elem_value *ucontrol) 803 { 804 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 805 struct pmac_tumbler *mix = chip->mixer_data; 806 807 ucontrol->value.enumerated.item[0] = mix->capture_source; 808 return 0; 809 } 810 811 static int snapper_put_capture_source(struct snd_kcontrol *kcontrol, 812 struct snd_ctl_elem_value *ucontrol) 813 { 814 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 815 struct pmac_tumbler *mix = chip->mixer_data; 816 int change; 817 818 change = ucontrol->value.enumerated.item[0] != mix->capture_source; 819 if (change) { 820 mix->capture_source = !!ucontrol->value.enumerated.item[0]; 821 snapper_set_capture_source(mix); 822 } 823 return change; 824 } 825 826 #define DEFINE_SNAPPER_MIX(xname,idx,ofs) { \ 827 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\ 828 .name = xname, \ 829 .info = snapper_info_mix, \ 830 .get = snapper_get_mix, \ 831 .put = snapper_put_mix, \ 832 .index = idx,\ 833 .private_value = ofs, \ 834 } 835 836 837 /* 838 */ 839 static const struct snd_kcontrol_new tumbler_mixers[] = { 840 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 841 .name = "Master Playback Volume", 842 .info = tumbler_info_master_volume, 843 .get = tumbler_get_master_volume, 844 .put = tumbler_put_master_volume 845 }, 846 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 847 .name = "Master Playback Switch", 848 .info = snd_pmac_boolean_stereo_info, 849 .get = tumbler_get_master_switch, 850 .put = tumbler_put_master_switch 851 }, 852 DEFINE_MONO("Tone Control - Bass", bass), 853 DEFINE_MONO("Tone Control - Treble", treble), 854 DEFINE_MONO("PCM Playback Volume", pcm), 855 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 856 .name = "DRC Range", 857 .info = tumbler_info_drc_value, 858 .get = tumbler_get_drc_value, 859 .put = tumbler_put_drc_value 860 }, 861 }; 862 863 static const struct snd_kcontrol_new snapper_mixers[] = { 864 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 865 .name = "Master Playback Volume", 866 .info = tumbler_info_master_volume, 867 .get = tumbler_get_master_volume, 868 .put = tumbler_put_master_volume 869 }, 870 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 871 .name = "Master Playback Switch", 872 .info = snd_pmac_boolean_stereo_info, 873 .get = tumbler_get_master_switch, 874 .put = tumbler_put_master_switch 875 }, 876 DEFINE_SNAPPER_MIX("PCM Playback Volume", 0, VOL_IDX_PCM), 877 /* Alternative PCM is assigned to Mic analog loopback on iBook G4 */ 878 DEFINE_SNAPPER_MIX("Mic Playback Volume", 0, VOL_IDX_PCM2), 879 DEFINE_SNAPPER_MIX("Monitor Mix Volume", 0, VOL_IDX_ADC), 880 DEFINE_SNAPPER_MONO("Tone Control - Bass", bass), 881 DEFINE_SNAPPER_MONO("Tone Control - Treble", treble), 882 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 883 .name = "DRC Range", 884 .info = tumbler_info_drc_value, 885 .get = tumbler_get_drc_value, 886 .put = tumbler_put_drc_value 887 }, 888 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 889 .name = "Input Source", /* FIXME: "Capture Source" doesn't work properly */ 890 .info = snapper_info_capture_source, 891 .get = snapper_get_capture_source, 892 .put = snapper_put_capture_source 893 }, 894 }; 895 896 static const struct snd_kcontrol_new tumbler_hp_sw = { 897 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 898 .name = "Headphone Playback Switch", 899 .info = snd_pmac_boolean_mono_info, 900 .get = tumbler_get_mute_switch, 901 .put = tumbler_put_mute_switch, 902 .private_value = TUMBLER_MUTE_HP, 903 }; 904 static const struct snd_kcontrol_new tumbler_speaker_sw = { 905 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 906 .name = "Speaker Playback Switch", 907 .info = snd_pmac_boolean_mono_info, 908 .get = tumbler_get_mute_switch, 909 .put = tumbler_put_mute_switch, 910 .private_value = TUMBLER_MUTE_AMP, 911 }; 912 static const struct snd_kcontrol_new tumbler_lineout_sw = { 913 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 914 .name = "Line Out Playback Switch", 915 .info = snd_pmac_boolean_mono_info, 916 .get = tumbler_get_mute_switch, 917 .put = tumbler_put_mute_switch, 918 .private_value = TUMBLER_MUTE_LINE, 919 }; 920 static const struct snd_kcontrol_new tumbler_drc_sw = { 921 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 922 .name = "DRC Switch", 923 .info = snd_pmac_boolean_mono_info, 924 .get = tumbler_get_drc_switch, 925 .put = tumbler_put_drc_switch 926 }; 927 928 929 #ifdef PMAC_SUPPORT_AUTOMUTE 930 /* 931 * auto-mute stuffs 932 */ 933 static int tumbler_detect_headphone(struct snd_pmac *chip) 934 { 935 struct pmac_tumbler *mix = chip->mixer_data; 936 int detect = 0; 937 938 if (mix->hp_detect.addr) 939 detect |= read_audio_gpio(&mix->hp_detect); 940 return detect; 941 } 942 943 static int tumbler_detect_lineout(struct snd_pmac *chip) 944 { 945 struct pmac_tumbler *mix = chip->mixer_data; 946 int detect = 0; 947 948 if (mix->line_detect.addr) 949 detect |= read_audio_gpio(&mix->line_detect); 950 return detect; 951 } 952 953 static void check_mute(struct snd_pmac *chip, struct pmac_gpio *gp, int val, int do_notify, 954 struct snd_kcontrol *sw) 955 { 956 if (check_audio_gpio(gp) != val) { 957 write_audio_gpio(gp, val); 958 if (do_notify) 959 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, 960 &sw->id); 961 } 962 } 963 964 static struct work_struct device_change; 965 static struct snd_pmac *device_change_chip; 966 967 static void device_change_handler(struct work_struct *work) 968 { 969 struct snd_pmac *chip = device_change_chip; 970 struct pmac_tumbler *mix; 971 int headphone, lineout; 972 973 if (!chip) 974 return; 975 976 mix = chip->mixer_data; 977 if (snd_BUG_ON(!mix)) 978 return; 979 980 headphone = tumbler_detect_headphone(chip); 981 lineout = tumbler_detect_lineout(chip); 982 983 DBG("headphone: %d, lineout: %d\n", headphone, lineout); 984 985 if (headphone || lineout) { 986 /* unmute headphone/lineout & mute speaker */ 987 if (headphone) 988 check_mute(chip, &mix->hp_mute, 0, mix->auto_mute_notify, 989 chip->master_sw_ctl); 990 if (lineout && mix->line_mute.addr != 0) 991 check_mute(chip, &mix->line_mute, 0, mix->auto_mute_notify, 992 chip->lineout_sw_ctl); 993 if (mix->anded_reset) 994 msleep(10); 995 check_mute(chip, &mix->amp_mute, !IS_G4DA, mix->auto_mute_notify, 996 chip->speaker_sw_ctl); 997 } else { 998 /* unmute speaker, mute others */ 999 check_mute(chip, &mix->amp_mute, 0, mix->auto_mute_notify, 1000 chip->speaker_sw_ctl); 1001 if (mix->anded_reset) 1002 msleep(10); 1003 check_mute(chip, &mix->hp_mute, 1, mix->auto_mute_notify, 1004 chip->master_sw_ctl); 1005 if (mix->line_mute.addr != 0) 1006 check_mute(chip, &mix->line_mute, 1, mix->auto_mute_notify, 1007 chip->lineout_sw_ctl); 1008 } 1009 if (mix->auto_mute_notify) 1010 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, 1011 &chip->hp_detect_ctl->id); 1012 1013 #ifdef CONFIG_SND_POWERMAC_AUTO_DRC 1014 mix->drc_enable = ! (headphone || lineout); 1015 if (mix->auto_mute_notify) 1016 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, 1017 &chip->drc_sw_ctl->id); 1018 if (chip->model == PMAC_TUMBLER) 1019 tumbler_set_drc(mix); 1020 else 1021 snapper_set_drc(mix); 1022 #endif 1023 1024 /* reset the master volume so the correct amplification is applied */ 1025 tumbler_set_master_volume(mix); 1026 } 1027 1028 static void tumbler_update_automute(struct snd_pmac *chip, int do_notify) 1029 { 1030 if (chip->auto_mute) { 1031 struct pmac_tumbler *mix; 1032 mix = chip->mixer_data; 1033 if (snd_BUG_ON(!mix)) 1034 return; 1035 mix->auto_mute_notify = do_notify; 1036 schedule_work(&device_change); 1037 } 1038 } 1039 #endif /* PMAC_SUPPORT_AUTOMUTE */ 1040 1041 1042 /* interrupt - headphone plug changed */ 1043 static irqreturn_t headphone_intr(int irq, void *devid) 1044 { 1045 struct snd_pmac *chip = devid; 1046 if (chip->update_automute && chip->initialized) { 1047 chip->update_automute(chip, 1); 1048 return IRQ_HANDLED; 1049 } 1050 return IRQ_NONE; 1051 } 1052 1053 /* look for audio-gpio device */ 1054 static struct device_node *find_audio_device(const char *name) 1055 { 1056 struct device_node *gpiop; 1057 struct device_node *np; 1058 1059 gpiop = of_find_node_by_name(NULL, "gpio"); 1060 if (! gpiop) 1061 return NULL; 1062 1063 for_each_child_of_node(gpiop, np) { 1064 const char *property = of_get_property(np, "audio-gpio", NULL); 1065 if (property && strcmp(property, name) == 0) 1066 break; 1067 } 1068 of_node_put(gpiop); 1069 return np; 1070 } 1071 1072 /* look for audio-gpio device */ 1073 static struct device_node *find_compatible_audio_device(const char *name) 1074 { 1075 struct device_node *gpiop; 1076 struct device_node *np; 1077 1078 gpiop = of_find_node_by_name(NULL, "gpio"); 1079 if (!gpiop) 1080 return NULL; 1081 1082 for_each_child_of_node(gpiop, np) { 1083 if (of_device_is_compatible(np, name)) 1084 break; 1085 } 1086 of_node_put(gpiop); 1087 return np; 1088 } 1089 1090 /* find an audio device and get its address */ 1091 static long tumbler_find_device(const char *device, const char *platform, 1092 struct pmac_gpio *gp, int is_compatible) 1093 { 1094 struct device_node *node; 1095 const u32 *base; 1096 u32 addr; 1097 long ret; 1098 1099 if (is_compatible) 1100 node = find_compatible_audio_device(device); 1101 else 1102 node = find_audio_device(device); 1103 if (! node) { 1104 DBG("(W) cannot find audio device %s !\n", device); 1105 snd_printdd("cannot find 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 snd_printd("cannot find address for device %s\n", device); 1115 of_node_put(node); 1116 return -ENODEV; 1117 } 1118 addr = *base; 1119 if (addr < 0x50) 1120 addr += 0x50; 1121 } else 1122 addr = *base; 1123 1124 gp->addr = addr & 0x0000ffff; 1125 /* Try to find the active state, default to 0 ! */ 1126 base = of_get_property(node, "audio-gpio-active-state", NULL); 1127 if (base) { 1128 gp->active_state = *base; 1129 gp->active_val = (*base) ? 0x5 : 0x4; 1130 gp->inactive_val = (*base) ? 0x4 : 0x5; 1131 } else { 1132 const u32 *prop = NULL; 1133 gp->active_state = IS_G4DA 1134 && !strncmp(device, "keywest-gpio1", 13); 1135 gp->active_val = 0x4; 1136 gp->inactive_val = 0x5; 1137 /* Here are some crude hacks to extract the GPIO polarity and 1138 * open collector informations out of the do-platform script 1139 * as we don't yet have an interpreter for these things 1140 */ 1141 if (platform) 1142 prop = of_get_property(node, platform, NULL); 1143 if (prop) { 1144 if (prop[3] == 0x9 && prop[4] == 0x9) { 1145 gp->active_val = 0xd; 1146 gp->inactive_val = 0xc; 1147 } 1148 if (prop[3] == 0x1 && prop[4] == 0x1) { 1149 gp->active_val = 0x5; 1150 gp->inactive_val = 0x4; 1151 } 1152 } 1153 } 1154 1155 DBG("(I) GPIO device %s found, offset: %x, active state: %d !\n", 1156 device, gp->addr, gp->active_state); 1157 1158 ret = irq_of_parse_and_map(node, 0); 1159 of_node_put(node); 1160 return ret; 1161 } 1162 1163 /* reset audio */ 1164 static void tumbler_reset_audio(struct snd_pmac *chip) 1165 { 1166 struct pmac_tumbler *mix = chip->mixer_data; 1167 1168 if (mix->anded_reset) { 1169 DBG("(I) codec anded reset !\n"); 1170 write_audio_gpio(&mix->hp_mute, 0); 1171 write_audio_gpio(&mix->amp_mute, 0); 1172 msleep(200); 1173 write_audio_gpio(&mix->hp_mute, 1); 1174 write_audio_gpio(&mix->amp_mute, 1); 1175 msleep(100); 1176 write_audio_gpio(&mix->hp_mute, 0); 1177 write_audio_gpio(&mix->amp_mute, 0); 1178 msleep(100); 1179 } else { 1180 DBG("(I) codec normal reset !\n"); 1181 1182 write_audio_gpio(&mix->audio_reset, 0); 1183 msleep(200); 1184 write_audio_gpio(&mix->audio_reset, 1); 1185 msleep(100); 1186 write_audio_gpio(&mix->audio_reset, 0); 1187 msleep(100); 1188 } 1189 } 1190 1191 #ifdef CONFIG_PM 1192 /* suspend mixer */ 1193 static void tumbler_suspend(struct snd_pmac *chip) 1194 { 1195 struct pmac_tumbler *mix = chip->mixer_data; 1196 1197 if (mix->headphone_irq >= 0) 1198 disable_irq(mix->headphone_irq); 1199 if (mix->lineout_irq >= 0) 1200 disable_irq(mix->lineout_irq); 1201 mix->save_master_switch[0] = mix->master_switch[0]; 1202 mix->save_master_switch[1] = mix->master_switch[1]; 1203 mix->save_master_vol[0] = mix->master_vol[0]; 1204 mix->save_master_vol[1] = mix->master_vol[1]; 1205 mix->master_switch[0] = mix->master_switch[1] = 0; 1206 tumbler_set_master_volume(mix); 1207 if (!mix->anded_reset) { 1208 write_audio_gpio(&mix->amp_mute, 1); 1209 write_audio_gpio(&mix->hp_mute, 1); 1210 } 1211 if (chip->model == PMAC_SNAPPER) { 1212 mix->acs |= 1; 1213 i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs); 1214 } 1215 if (mix->anded_reset) { 1216 write_audio_gpio(&mix->amp_mute, 1); 1217 write_audio_gpio(&mix->hp_mute, 1); 1218 } else 1219 write_audio_gpio(&mix->audio_reset, 1); 1220 } 1221 1222 /* resume mixer */ 1223 static void tumbler_resume(struct snd_pmac *chip) 1224 { 1225 struct pmac_tumbler *mix = chip->mixer_data; 1226 1227 mix->acs &= ~1; 1228 mix->master_switch[0] = mix->save_master_switch[0]; 1229 mix->master_switch[1] = mix->save_master_switch[1]; 1230 mix->master_vol[0] = mix->save_master_vol[0]; 1231 mix->master_vol[1] = mix->save_master_vol[1]; 1232 tumbler_reset_audio(chip); 1233 if (mix->i2c.client && mix->i2c.init_client) { 1234 if (mix->i2c.init_client(&mix->i2c) < 0) 1235 printk(KERN_ERR "tumbler_init_client error\n"); 1236 } else 1237 printk(KERN_ERR "tumbler: i2c is not initialized\n"); 1238 if (chip->model == PMAC_TUMBLER) { 1239 tumbler_set_mono_volume(mix, &tumbler_pcm_vol_info); 1240 tumbler_set_mono_volume(mix, &tumbler_bass_vol_info); 1241 tumbler_set_mono_volume(mix, &tumbler_treble_vol_info); 1242 tumbler_set_drc(mix); 1243 } else { 1244 snapper_set_mix_vol(mix, VOL_IDX_PCM); 1245 snapper_set_mix_vol(mix, VOL_IDX_PCM2); 1246 snapper_set_mix_vol(mix, VOL_IDX_ADC); 1247 tumbler_set_mono_volume(mix, &snapper_bass_vol_info); 1248 tumbler_set_mono_volume(mix, &snapper_treble_vol_info); 1249 snapper_set_drc(mix); 1250 snapper_set_capture_source(mix); 1251 } 1252 tumbler_set_master_volume(mix); 1253 if (chip->update_automute) 1254 chip->update_automute(chip, 0); 1255 if (mix->headphone_irq >= 0) { 1256 unsigned char val; 1257 1258 enable_irq(mix->headphone_irq); 1259 /* activate headphone status interrupts */ 1260 val = do_gpio_read(&mix->hp_detect); 1261 do_gpio_write(&mix->hp_detect, val | 0x80); 1262 } 1263 if (mix->lineout_irq >= 0) 1264 enable_irq(mix->lineout_irq); 1265 } 1266 #endif 1267 1268 /* initialize tumbler */ 1269 static int tumbler_init(struct snd_pmac *chip) 1270 { 1271 int irq; 1272 struct pmac_tumbler *mix = chip->mixer_data; 1273 1274 if (tumbler_find_device("audio-hw-reset", 1275 "platform-do-hw-reset", 1276 &mix->audio_reset, 0) < 0) 1277 tumbler_find_device("hw-reset", 1278 "platform-do-hw-reset", 1279 &mix->audio_reset, 1); 1280 if (tumbler_find_device("amp-mute", 1281 "platform-do-amp-mute", 1282 &mix->amp_mute, 0) < 0) 1283 tumbler_find_device("amp-mute", 1284 "platform-do-amp-mute", 1285 &mix->amp_mute, 1); 1286 if (tumbler_find_device("headphone-mute", 1287 "platform-do-headphone-mute", 1288 &mix->hp_mute, 0) < 0) 1289 tumbler_find_device("headphone-mute", 1290 "platform-do-headphone-mute", 1291 &mix->hp_mute, 1); 1292 if (tumbler_find_device("line-output-mute", 1293 "platform-do-lineout-mute", 1294 &mix->line_mute, 0) < 0) 1295 tumbler_find_device("line-output-mute", 1296 "platform-do-lineout-mute", 1297 &mix->line_mute, 1); 1298 irq = tumbler_find_device("headphone-detect", 1299 NULL, &mix->hp_detect, 0); 1300 if (irq <= 0) 1301 irq = tumbler_find_device("headphone-detect", 1302 NULL, &mix->hp_detect, 1); 1303 if (irq <= 0) 1304 irq = tumbler_find_device("keywest-gpio15", 1305 NULL, &mix->hp_detect, 1); 1306 mix->headphone_irq = irq; 1307 irq = tumbler_find_device("line-output-detect", 1308 NULL, &mix->line_detect, 0); 1309 if (irq <= 0) 1310 irq = tumbler_find_device("line-output-detect", 1311 NULL, &mix->line_detect, 1); 1312 if (IS_G4DA && irq <= 0) 1313 irq = tumbler_find_device("keywest-gpio16", 1314 NULL, &mix->line_detect, 1); 1315 mix->lineout_irq = irq; 1316 1317 tumbler_reset_audio(chip); 1318 1319 return 0; 1320 } 1321 1322 static void tumbler_cleanup(struct snd_pmac *chip) 1323 { 1324 struct pmac_tumbler *mix = chip->mixer_data; 1325 if (! mix) 1326 return; 1327 1328 if (mix->headphone_irq >= 0) 1329 free_irq(mix->headphone_irq, chip); 1330 if (mix->lineout_irq >= 0) 1331 free_irq(mix->lineout_irq, chip); 1332 tumbler_gpio_free(&mix->audio_reset); 1333 tumbler_gpio_free(&mix->amp_mute); 1334 tumbler_gpio_free(&mix->hp_mute); 1335 tumbler_gpio_free(&mix->hp_detect); 1336 snd_pmac_keywest_cleanup(&mix->i2c); 1337 kfree(mix); 1338 chip->mixer_data = NULL; 1339 } 1340 1341 /* exported */ 1342 int snd_pmac_tumbler_init(struct snd_pmac *chip) 1343 { 1344 int i, err; 1345 struct pmac_tumbler *mix; 1346 const u32 *paddr; 1347 struct device_node *tas_node, *np; 1348 char *chipname; 1349 1350 request_module("i2c-powermac"); 1351 1352 mix = kzalloc(sizeof(*mix), GFP_KERNEL); 1353 if (! mix) 1354 return -ENOMEM; 1355 mix->headphone_irq = -1; 1356 1357 chip->mixer_data = mix; 1358 chip->mixer_free = tumbler_cleanup; 1359 mix->anded_reset = 0; 1360 mix->reset_on_sleep = 1; 1361 1362 for_each_child_of_node(chip->node, np) { 1363 if (of_node_name_eq(np, "sound")) { 1364 if (of_get_property(np, "has-anded-reset", NULL)) 1365 mix->anded_reset = 1; 1366 if (of_get_property(np, "layout-id", NULL)) 1367 mix->reset_on_sleep = 0; 1368 of_node_put(np); 1369 break; 1370 } 1371 } 1372 err = tumbler_init(chip); 1373 if (err < 0) 1374 return err; 1375 1376 /* set up TAS */ 1377 tas_node = of_find_node_by_name(NULL, "deq"); 1378 if (tas_node == NULL) 1379 tas_node = of_find_node_by_name(NULL, "codec"); 1380 if (tas_node == NULL) 1381 return -ENODEV; 1382 1383 paddr = of_get_property(tas_node, "i2c-address", NULL); 1384 if (paddr == NULL) 1385 paddr = of_get_property(tas_node, "reg", NULL); 1386 if (paddr) 1387 mix->i2c.addr = (*paddr) >> 1; 1388 else 1389 mix->i2c.addr = TAS_I2C_ADDR; 1390 of_node_put(tas_node); 1391 1392 DBG("(I) TAS i2c address is: %x\n", mix->i2c.addr); 1393 1394 if (chip->model == PMAC_TUMBLER) { 1395 mix->i2c.init_client = tumbler_init_client; 1396 mix->i2c.name = "TAS3001c"; 1397 chipname = "Tumbler"; 1398 } else { 1399 mix->i2c.init_client = snapper_init_client; 1400 mix->i2c.name = "TAS3004"; 1401 chipname = "Snapper"; 1402 } 1403 1404 err = snd_pmac_keywest_init(&mix->i2c); 1405 if (err < 0) 1406 return err; 1407 1408 /* 1409 * build mixers 1410 */ 1411 sprintf(chip->card->mixername, "PowerMac %s", chipname); 1412 1413 if (chip->model == PMAC_TUMBLER) { 1414 for (i = 0; i < ARRAY_SIZE(tumbler_mixers); i++) { 1415 err = snd_ctl_add(chip->card, snd_ctl_new1(&tumbler_mixers[i], chip)); 1416 if (err < 0) 1417 return err; 1418 } 1419 } else { 1420 for (i = 0; i < ARRAY_SIZE(snapper_mixers); i++) { 1421 err = snd_ctl_add(chip->card, snd_ctl_new1(&snapper_mixers[i], chip)); 1422 if (err < 0) 1423 return err; 1424 } 1425 } 1426 chip->master_sw_ctl = snd_ctl_new1(&tumbler_hp_sw, chip); 1427 err = snd_ctl_add(chip->card, chip->master_sw_ctl); 1428 if (err < 0) 1429 return err; 1430 chip->speaker_sw_ctl = snd_ctl_new1(&tumbler_speaker_sw, chip); 1431 err = snd_ctl_add(chip->card, chip->speaker_sw_ctl); 1432 if (err < 0) 1433 return err; 1434 if (mix->line_mute.addr != 0) { 1435 chip->lineout_sw_ctl = snd_ctl_new1(&tumbler_lineout_sw, chip); 1436 err = snd_ctl_add(chip->card, chip->lineout_sw_ctl); 1437 if (err < 0) 1438 return err; 1439 } 1440 chip->drc_sw_ctl = snd_ctl_new1(&tumbler_drc_sw, chip); 1441 err = snd_ctl_add(chip->card, chip->drc_sw_ctl); 1442 if (err < 0) 1443 return err; 1444 1445 /* set initial DRC range to 60% */ 1446 if (chip->model == PMAC_TUMBLER) 1447 mix->drc_range = (TAS3001_DRC_MAX * 6) / 10; 1448 else 1449 mix->drc_range = (TAS3004_DRC_MAX * 6) / 10; 1450 mix->drc_enable = 1; /* will be changed later if AUTO_DRC is set */ 1451 if (chip->model == PMAC_TUMBLER) 1452 tumbler_set_drc(mix); 1453 else 1454 snapper_set_drc(mix); 1455 1456 #ifdef CONFIG_PM 1457 chip->suspend = tumbler_suspend; 1458 chip->resume = tumbler_resume; 1459 #endif 1460 1461 INIT_WORK(&device_change, device_change_handler); 1462 device_change_chip = chip; 1463 1464 #ifdef PMAC_SUPPORT_AUTOMUTE 1465 if (mix->headphone_irq >= 0 || mix->lineout_irq >= 0) { 1466 err = snd_pmac_add_automute(chip); 1467 if (err < 0) 1468 return err; 1469 } 1470 chip->detect_headphone = tumbler_detect_headphone; 1471 chip->update_automute = tumbler_update_automute; 1472 tumbler_update_automute(chip, 0); /* update the status only */ 1473 1474 /* activate headphone status interrupts */ 1475 if (mix->headphone_irq >= 0) { 1476 unsigned char val; 1477 err = request_irq(mix->headphone_irq, headphone_intr, 0, 1478 "Sound Headphone Detection", chip); 1479 if (err < 0) 1480 return 0; 1481 /* activate headphone status interrupts */ 1482 val = do_gpio_read(&mix->hp_detect); 1483 do_gpio_write(&mix->hp_detect, val | 0x80); 1484 } 1485 if (mix->lineout_irq >= 0) { 1486 unsigned char val; 1487 err = request_irq(mix->lineout_irq, headphone_intr, 0, 1488 "Sound Lineout Detection", chip); 1489 if (err < 0) 1490 return 0; 1491 /* activate headphone status interrupts */ 1492 val = do_gpio_read(&mix->line_detect); 1493 do_gpio_write(&mix->line_detect, val | 0x80); 1494 } 1495 #endif 1496 1497 return 0; 1498 } 1499