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, 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 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 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 if (! (mix = chip->mixer_data)) 406 return -ENODEV; 407 ucontrol->value.integer.value[0] = mix->drc_range; 408 return 0; 409 } 410 411 static int tumbler_put_drc_value(struct snd_kcontrol *kcontrol, 412 struct snd_ctl_elem_value *ucontrol) 413 { 414 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 415 struct pmac_tumbler *mix; 416 unsigned int val; 417 int change; 418 419 if (! (mix = chip->mixer_data)) 420 return -ENODEV; 421 val = ucontrol->value.integer.value[0]; 422 if (chip->model == PMAC_TUMBLER) { 423 if (val > TAS3001_DRC_MAX) 424 return -EINVAL; 425 } else { 426 if (val > TAS3004_DRC_MAX) 427 return -EINVAL; 428 } 429 change = mix->drc_range != val; 430 if (change) { 431 mix->drc_range = val; 432 if (chip->model == PMAC_TUMBLER) 433 tumbler_set_drc(mix); 434 else 435 snapper_set_drc(mix); 436 } 437 return change; 438 } 439 440 static int tumbler_get_drc_switch(struct snd_kcontrol *kcontrol, 441 struct snd_ctl_elem_value *ucontrol) 442 { 443 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 444 struct pmac_tumbler *mix; 445 if (! (mix = chip->mixer_data)) 446 return -ENODEV; 447 ucontrol->value.integer.value[0] = mix->drc_enable; 448 return 0; 449 } 450 451 static int tumbler_put_drc_switch(struct snd_kcontrol *kcontrol, 452 struct snd_ctl_elem_value *ucontrol) 453 { 454 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 455 struct pmac_tumbler *mix; 456 int change; 457 458 if (! (mix = chip->mixer_data)) 459 return -ENODEV; 460 change = mix->drc_enable != ucontrol->value.integer.value[0]; 461 if (change) { 462 mix->drc_enable = !!ucontrol->value.integer.value[0]; 463 if (chip->model == PMAC_TUMBLER) 464 tumbler_set_drc(mix); 465 else 466 snapper_set_drc(mix); 467 } 468 return change; 469 } 470 471 472 /* 473 * mono volumes 474 */ 475 476 struct tumbler_mono_vol { 477 int index; 478 int reg; 479 int bytes; 480 unsigned int max; 481 unsigned int *table; 482 }; 483 484 static int tumbler_set_mono_volume(struct pmac_tumbler *mix, 485 struct tumbler_mono_vol *info) 486 { 487 unsigned char block[4]; 488 unsigned int vol; 489 int i; 490 491 if (! mix->i2c.client) 492 return -ENODEV; 493 494 vol = mix->mono_vol[info->index]; 495 if (vol >= info->max) 496 vol = info->max - 1; 497 vol = info->table[vol]; 498 for (i = 0; i < info->bytes; i++) 499 block[i] = (vol >> ((info->bytes - i - 1) * 8)) & 0xff; 500 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, info->reg, 501 info->bytes, block) < 0) { 502 snd_printk(KERN_ERR "failed to set mono volume %d\n", 503 info->index); 504 return -EINVAL; 505 } 506 return 0; 507 } 508 509 static int tumbler_info_mono(struct snd_kcontrol *kcontrol, 510 struct snd_ctl_elem_info *uinfo) 511 { 512 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value; 513 514 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 515 uinfo->count = 1; 516 uinfo->value.integer.min = 0; 517 uinfo->value.integer.max = info->max - 1; 518 return 0; 519 } 520 521 static int tumbler_get_mono(struct snd_kcontrol *kcontrol, 522 struct snd_ctl_elem_value *ucontrol) 523 { 524 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value; 525 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 526 struct pmac_tumbler *mix; 527 if (! (mix = chip->mixer_data)) 528 return -ENODEV; 529 ucontrol->value.integer.value[0] = mix->mono_vol[info->index]; 530 return 0; 531 } 532 533 static int tumbler_put_mono(struct snd_kcontrol *kcontrol, 534 struct snd_ctl_elem_value *ucontrol) 535 { 536 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value; 537 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 538 struct pmac_tumbler *mix; 539 unsigned int vol; 540 int change; 541 542 if (! (mix = chip->mixer_data)) 543 return -ENODEV; 544 vol = ucontrol->value.integer.value[0]; 545 if (vol >= info->max) 546 return -EINVAL; 547 change = mix->mono_vol[info->index] != vol; 548 if (change) { 549 mix->mono_vol[info->index] = vol; 550 tumbler_set_mono_volume(mix, info); 551 } 552 return change; 553 } 554 555 /* TAS3001c mono volumes */ 556 static struct tumbler_mono_vol tumbler_pcm_vol_info = { 557 .index = VOL_IDX_PCM_MONO, 558 .reg = TAS_REG_PCM, 559 .bytes = 3, 560 .max = ARRAY_SIZE(mixer_volume_table), 561 .table = mixer_volume_table, 562 }; 563 564 static struct tumbler_mono_vol tumbler_bass_vol_info = { 565 .index = VOL_IDX_BASS, 566 .reg = TAS_REG_BASS, 567 .bytes = 1, 568 .max = ARRAY_SIZE(bass_volume_table), 569 .table = bass_volume_table, 570 }; 571 572 static struct tumbler_mono_vol tumbler_treble_vol_info = { 573 .index = VOL_IDX_TREBLE, 574 .reg = TAS_REG_TREBLE, 575 .bytes = 1, 576 .max = ARRAY_SIZE(treble_volume_table), 577 .table = treble_volume_table, 578 }; 579 580 /* TAS3004 mono volumes */ 581 static struct tumbler_mono_vol snapper_bass_vol_info = { 582 .index = VOL_IDX_BASS, 583 .reg = TAS_REG_BASS, 584 .bytes = 1, 585 .max = ARRAY_SIZE(snapper_bass_volume_table), 586 .table = snapper_bass_volume_table, 587 }; 588 589 static struct tumbler_mono_vol snapper_treble_vol_info = { 590 .index = VOL_IDX_TREBLE, 591 .reg = TAS_REG_TREBLE, 592 .bytes = 1, 593 .max = ARRAY_SIZE(snapper_treble_volume_table), 594 .table = snapper_treble_volume_table, 595 }; 596 597 598 #define DEFINE_MONO(xname,type) { \ 599 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\ 600 .name = xname, \ 601 .info = tumbler_info_mono, \ 602 .get = tumbler_get_mono, \ 603 .put = tumbler_put_mono, \ 604 .private_value = (unsigned long)(&tumbler_##type##_vol_info), \ 605 } 606 607 #define DEFINE_SNAPPER_MONO(xname,type) { \ 608 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\ 609 .name = xname, \ 610 .info = tumbler_info_mono, \ 611 .get = tumbler_get_mono, \ 612 .put = tumbler_put_mono, \ 613 .private_value = (unsigned long)(&snapper_##type##_vol_info), \ 614 } 615 616 617 /* 618 * snapper mixer volumes 619 */ 620 621 static int snapper_set_mix_vol1(struct pmac_tumbler *mix, int idx, int ch, int reg) 622 { 623 int i, j, vol; 624 unsigned char block[9]; 625 626 vol = mix->mix_vol[idx][ch]; 627 if (vol >= ARRAY_SIZE(mixer_volume_table)) { 628 vol = ARRAY_SIZE(mixer_volume_table) - 1; 629 mix->mix_vol[idx][ch] = vol; 630 } 631 632 for (i = 0; i < 3; i++) { 633 vol = mix->mix_vol[i][ch]; 634 vol = mixer_volume_table[vol]; 635 for (j = 0; j < 3; j++) 636 block[i * 3 + j] = (vol >> ((2 - j) * 8)) & 0xff; 637 } 638 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, reg, 639 9, block) < 0) { 640 snd_printk(KERN_ERR "failed to set mono volume %d\n", reg); 641 return -EINVAL; 642 } 643 return 0; 644 } 645 646 static int snapper_set_mix_vol(struct pmac_tumbler *mix, int idx) 647 { 648 if (! mix->i2c.client) 649 return -ENODEV; 650 if (snapper_set_mix_vol1(mix, idx, 0, TAS_REG_LMIX) < 0 || 651 snapper_set_mix_vol1(mix, idx, 1, TAS_REG_RMIX) < 0) 652 return -EINVAL; 653 return 0; 654 } 655 656 static int snapper_info_mix(struct snd_kcontrol *kcontrol, 657 struct snd_ctl_elem_info *uinfo) 658 { 659 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 660 uinfo->count = 2; 661 uinfo->value.integer.min = 0; 662 uinfo->value.integer.max = ARRAY_SIZE(mixer_volume_table) - 1; 663 return 0; 664 } 665 666 static int snapper_get_mix(struct snd_kcontrol *kcontrol, 667 struct snd_ctl_elem_value *ucontrol) 668 { 669 int idx = (int)kcontrol->private_value; 670 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 671 struct pmac_tumbler *mix; 672 if (! (mix = chip->mixer_data)) 673 return -ENODEV; 674 ucontrol->value.integer.value[0] = mix->mix_vol[idx][0]; 675 ucontrol->value.integer.value[1] = mix->mix_vol[idx][1]; 676 return 0; 677 } 678 679 static int snapper_put_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 unsigned int vol[2]; 686 int change; 687 688 if (! (mix = chip->mixer_data)) 689 return -ENODEV; 690 vol[0] = ucontrol->value.integer.value[0]; 691 vol[1] = ucontrol->value.integer.value[1]; 692 if (vol[0] >= ARRAY_SIZE(mixer_volume_table) || 693 vol[1] >= ARRAY_SIZE(mixer_volume_table)) 694 return -EINVAL; 695 change = mix->mix_vol[idx][0] != vol[0] || 696 mix->mix_vol[idx][1] != vol[1]; 697 if (change) { 698 mix->mix_vol[idx][0] = vol[0]; 699 mix->mix_vol[idx][1] = vol[1]; 700 snapper_set_mix_vol(mix, idx); 701 } 702 return change; 703 } 704 705 706 /* 707 * mute switches. FIXME: Turn that into software mute when both outputs are muted 708 * to avoid codec reset on ibook M7 709 */ 710 711 enum { TUMBLER_MUTE_HP, TUMBLER_MUTE_AMP, TUMBLER_MUTE_LINE }; 712 713 static int tumbler_get_mute_switch(struct snd_kcontrol *kcontrol, 714 struct snd_ctl_elem_value *ucontrol) 715 { 716 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 717 struct pmac_tumbler *mix; 718 struct pmac_gpio *gp; 719 if (! (mix = chip->mixer_data)) 720 return -ENODEV; 721 switch(kcontrol->private_value) { 722 case TUMBLER_MUTE_HP: 723 gp = &mix->hp_mute; break; 724 case TUMBLER_MUTE_AMP: 725 gp = &mix->amp_mute; break; 726 case TUMBLER_MUTE_LINE: 727 gp = &mix->line_mute; break; 728 default: 729 gp = NULL; 730 } 731 if (gp == NULL) 732 return -EINVAL; 733 ucontrol->value.integer.value[0] = !check_audio_gpio(gp); 734 return 0; 735 } 736 737 static int tumbler_put_mute_switch(struct snd_kcontrol *kcontrol, 738 struct snd_ctl_elem_value *ucontrol) 739 { 740 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 741 struct pmac_tumbler *mix; 742 struct pmac_gpio *gp; 743 int val; 744 #ifdef PMAC_SUPPORT_AUTOMUTE 745 if (chip->update_automute && chip->auto_mute) 746 return 0; /* don't touch in the auto-mute mode */ 747 #endif 748 if (! (mix = chip->mixer_data)) 749 return -ENODEV; 750 switch(kcontrol->private_value) { 751 case TUMBLER_MUTE_HP: 752 gp = &mix->hp_mute; break; 753 case TUMBLER_MUTE_AMP: 754 gp = &mix->amp_mute; break; 755 case TUMBLER_MUTE_LINE: 756 gp = &mix->line_mute; break; 757 default: 758 gp = NULL; 759 } 760 if (gp == NULL) 761 return -EINVAL; 762 val = ! check_audio_gpio(gp); 763 if (val != ucontrol->value.integer.value[0]) { 764 write_audio_gpio(gp, ! ucontrol->value.integer.value[0]); 765 return 1; 766 } 767 return 0; 768 } 769 770 static int snapper_set_capture_source(struct pmac_tumbler *mix) 771 { 772 if (! mix->i2c.client) 773 return -ENODEV; 774 if (mix->capture_source) 775 mix->acs |= 2; 776 else 777 mix->acs &= ~2; 778 return i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs); 779 } 780 781 static int snapper_info_capture_source(struct snd_kcontrol *kcontrol, 782 struct snd_ctl_elem_info *uinfo) 783 { 784 static const char * const texts[2] = { 785 "Line", "Mic" 786 }; 787 788 return snd_ctl_enum_info(uinfo, 1, 2, texts); 789 } 790 791 static int snapper_get_capture_source(struct snd_kcontrol *kcontrol, 792 struct snd_ctl_elem_value *ucontrol) 793 { 794 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 795 struct pmac_tumbler *mix = chip->mixer_data; 796 797 ucontrol->value.enumerated.item[0] = mix->capture_source; 798 return 0; 799 } 800 801 static int snapper_put_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 int change; 807 808 change = ucontrol->value.enumerated.item[0] != mix->capture_source; 809 if (change) { 810 mix->capture_source = !!ucontrol->value.enumerated.item[0]; 811 snapper_set_capture_source(mix); 812 } 813 return change; 814 } 815 816 #define DEFINE_SNAPPER_MIX(xname,idx,ofs) { \ 817 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\ 818 .name = xname, \ 819 .info = snapper_info_mix, \ 820 .get = snapper_get_mix, \ 821 .put = snapper_put_mix, \ 822 .index = idx,\ 823 .private_value = ofs, \ 824 } 825 826 827 /* 828 */ 829 static struct snd_kcontrol_new tumbler_mixers[] = { 830 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 831 .name = "Master Playback Volume", 832 .info = tumbler_info_master_volume, 833 .get = tumbler_get_master_volume, 834 .put = tumbler_put_master_volume 835 }, 836 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 837 .name = "Master Playback Switch", 838 .info = snd_pmac_boolean_stereo_info, 839 .get = tumbler_get_master_switch, 840 .put = tumbler_put_master_switch 841 }, 842 DEFINE_MONO("Tone Control - Bass", bass), 843 DEFINE_MONO("Tone Control - Treble", treble), 844 DEFINE_MONO("PCM Playback Volume", pcm), 845 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 846 .name = "DRC Range", 847 .info = tumbler_info_drc_value, 848 .get = tumbler_get_drc_value, 849 .put = tumbler_put_drc_value 850 }, 851 }; 852 853 static struct snd_kcontrol_new snapper_mixers[] = { 854 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 855 .name = "Master Playback Volume", 856 .info = tumbler_info_master_volume, 857 .get = tumbler_get_master_volume, 858 .put = tumbler_put_master_volume 859 }, 860 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 861 .name = "Master Playback Switch", 862 .info = snd_pmac_boolean_stereo_info, 863 .get = tumbler_get_master_switch, 864 .put = tumbler_put_master_switch 865 }, 866 DEFINE_SNAPPER_MIX("PCM Playback Volume", 0, VOL_IDX_PCM), 867 /* Alternative PCM is assigned to Mic analog loopback on iBook G4 */ 868 DEFINE_SNAPPER_MIX("Mic Playback Volume", 0, VOL_IDX_PCM2), 869 DEFINE_SNAPPER_MIX("Monitor Mix Volume", 0, VOL_IDX_ADC), 870 DEFINE_SNAPPER_MONO("Tone Control - Bass", bass), 871 DEFINE_SNAPPER_MONO("Tone Control - Treble", treble), 872 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 873 .name = "DRC Range", 874 .info = tumbler_info_drc_value, 875 .get = tumbler_get_drc_value, 876 .put = tumbler_put_drc_value 877 }, 878 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 879 .name = "Input Source", /* FIXME: "Capture Source" doesn't work properly */ 880 .info = snapper_info_capture_source, 881 .get = snapper_get_capture_source, 882 .put = snapper_put_capture_source 883 }, 884 }; 885 886 static const struct snd_kcontrol_new tumbler_hp_sw = { 887 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 888 .name = "Headphone Playback Switch", 889 .info = snd_pmac_boolean_mono_info, 890 .get = tumbler_get_mute_switch, 891 .put = tumbler_put_mute_switch, 892 .private_value = TUMBLER_MUTE_HP, 893 }; 894 static const struct snd_kcontrol_new tumbler_speaker_sw = { 895 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 896 .name = "Speaker Playback Switch", 897 .info = snd_pmac_boolean_mono_info, 898 .get = tumbler_get_mute_switch, 899 .put = tumbler_put_mute_switch, 900 .private_value = TUMBLER_MUTE_AMP, 901 }; 902 static const struct snd_kcontrol_new tumbler_lineout_sw = { 903 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 904 .name = "Line Out Playback Switch", 905 .info = snd_pmac_boolean_mono_info, 906 .get = tumbler_get_mute_switch, 907 .put = tumbler_put_mute_switch, 908 .private_value = TUMBLER_MUTE_LINE, 909 }; 910 static const struct snd_kcontrol_new tumbler_drc_sw = { 911 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 912 .name = "DRC Switch", 913 .info = snd_pmac_boolean_mono_info, 914 .get = tumbler_get_drc_switch, 915 .put = tumbler_put_drc_switch 916 }; 917 918 919 #ifdef PMAC_SUPPORT_AUTOMUTE 920 /* 921 * auto-mute stuffs 922 */ 923 static int tumbler_detect_headphone(struct snd_pmac *chip) 924 { 925 struct pmac_tumbler *mix = chip->mixer_data; 926 int detect = 0; 927 928 if (mix->hp_detect.addr) 929 detect |= read_audio_gpio(&mix->hp_detect); 930 return detect; 931 } 932 933 static int tumbler_detect_lineout(struct snd_pmac *chip) 934 { 935 struct pmac_tumbler *mix = chip->mixer_data; 936 int detect = 0; 937 938 if (mix->line_detect.addr) 939 detect |= read_audio_gpio(&mix->line_detect); 940 return detect; 941 } 942 943 static void check_mute(struct snd_pmac *chip, struct pmac_gpio *gp, int val, int do_notify, 944 struct snd_kcontrol *sw) 945 { 946 if (check_audio_gpio(gp) != val) { 947 write_audio_gpio(gp, val); 948 if (do_notify) 949 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, 950 &sw->id); 951 } 952 } 953 954 static struct work_struct device_change; 955 static struct snd_pmac *device_change_chip; 956 957 static void device_change_handler(struct work_struct *work) 958 { 959 struct snd_pmac *chip = device_change_chip; 960 struct pmac_tumbler *mix; 961 int headphone, lineout; 962 963 if (!chip) 964 return; 965 966 mix = chip->mixer_data; 967 if (snd_BUG_ON(!mix)) 968 return; 969 970 headphone = tumbler_detect_headphone(chip); 971 lineout = tumbler_detect_lineout(chip); 972 973 DBG("headphone: %d, lineout: %d\n", headphone, lineout); 974 975 if (headphone || lineout) { 976 /* unmute headphone/lineout & mute speaker */ 977 if (headphone) 978 check_mute(chip, &mix->hp_mute, 0, mix->auto_mute_notify, 979 chip->master_sw_ctl); 980 if (lineout && mix->line_mute.addr != 0) 981 check_mute(chip, &mix->line_mute, 0, mix->auto_mute_notify, 982 chip->lineout_sw_ctl); 983 if (mix->anded_reset) 984 msleep(10); 985 check_mute(chip, &mix->amp_mute, !IS_G4DA, mix->auto_mute_notify, 986 chip->speaker_sw_ctl); 987 } else { 988 /* unmute speaker, mute others */ 989 check_mute(chip, &mix->amp_mute, 0, mix->auto_mute_notify, 990 chip->speaker_sw_ctl); 991 if (mix->anded_reset) 992 msleep(10); 993 check_mute(chip, &mix->hp_mute, 1, mix->auto_mute_notify, 994 chip->master_sw_ctl); 995 if (mix->line_mute.addr != 0) 996 check_mute(chip, &mix->line_mute, 1, mix->auto_mute_notify, 997 chip->lineout_sw_ctl); 998 } 999 if (mix->auto_mute_notify) 1000 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, 1001 &chip->hp_detect_ctl->id); 1002 1003 #ifdef CONFIG_SND_POWERMAC_AUTO_DRC 1004 mix->drc_enable = ! (headphone || lineout); 1005 if (mix->auto_mute_notify) 1006 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, 1007 &chip->drc_sw_ctl->id); 1008 if (chip->model == PMAC_TUMBLER) 1009 tumbler_set_drc(mix); 1010 else 1011 snapper_set_drc(mix); 1012 #endif 1013 1014 /* reset the master volume so the correct amplification is applied */ 1015 tumbler_set_master_volume(mix); 1016 } 1017 1018 static void tumbler_update_automute(struct snd_pmac *chip, int do_notify) 1019 { 1020 if (chip->auto_mute) { 1021 struct pmac_tumbler *mix; 1022 mix = chip->mixer_data; 1023 if (snd_BUG_ON(!mix)) 1024 return; 1025 mix->auto_mute_notify = do_notify; 1026 schedule_work(&device_change); 1027 } 1028 } 1029 #endif /* PMAC_SUPPORT_AUTOMUTE */ 1030 1031 1032 /* interrupt - headphone plug changed */ 1033 static irqreturn_t headphone_intr(int irq, void *devid) 1034 { 1035 struct snd_pmac *chip = devid; 1036 if (chip->update_automute && chip->initialized) { 1037 chip->update_automute(chip, 1); 1038 return IRQ_HANDLED; 1039 } 1040 return IRQ_NONE; 1041 } 1042 1043 /* look for audio-gpio device */ 1044 static struct device_node *find_audio_device(const char *name) 1045 { 1046 struct device_node *gpiop; 1047 struct device_node *np; 1048 1049 gpiop = of_find_node_by_name(NULL, "gpio"); 1050 if (! gpiop) 1051 return NULL; 1052 1053 for (np = of_get_next_child(gpiop, NULL); np; 1054 np = of_get_next_child(gpiop, np)) { 1055 const char *property = of_get_property(np, "audio-gpio", NULL); 1056 if (property && strcmp(property, name) == 0) 1057 break; 1058 } 1059 of_node_put(gpiop); 1060 return np; 1061 } 1062 1063 /* look for audio-gpio device */ 1064 static struct device_node *find_compatible_audio_device(const char *name) 1065 { 1066 struct device_node *gpiop; 1067 struct device_node *np; 1068 1069 gpiop = of_find_node_by_name(NULL, "gpio"); 1070 if (!gpiop) 1071 return NULL; 1072 1073 for (np = of_get_next_child(gpiop, NULL); np; 1074 np = of_get_next_child(gpiop, np)) { 1075 if (of_device_is_compatible(np, name)) 1076 break; 1077 } 1078 of_node_put(gpiop); 1079 return np; 1080 } 1081 1082 /* find an audio device and get its address */ 1083 static long tumbler_find_device(const char *device, const char *platform, 1084 struct pmac_gpio *gp, int is_compatible) 1085 { 1086 struct device_node *node; 1087 const u32 *base; 1088 u32 addr; 1089 long ret; 1090 1091 if (is_compatible) 1092 node = find_compatible_audio_device(device); 1093 else 1094 node = find_audio_device(device); 1095 if (! node) { 1096 DBG("(W) cannot find audio device %s !\n", device); 1097 snd_printdd("cannot find device %s\n", device); 1098 return -ENODEV; 1099 } 1100 1101 base = of_get_property(node, "AAPL,address", NULL); 1102 if (! base) { 1103 base = of_get_property(node, "reg", NULL); 1104 if (!base) { 1105 DBG("(E) cannot find address for device %s !\n", device); 1106 snd_printd("cannot find address for device %s\n", device); 1107 of_node_put(node); 1108 return -ENODEV; 1109 } 1110 addr = *base; 1111 if (addr < 0x50) 1112 addr += 0x50; 1113 } else 1114 addr = *base; 1115 1116 gp->addr = addr & 0x0000ffff; 1117 /* Try to find the active state, default to 0 ! */ 1118 base = of_get_property(node, "audio-gpio-active-state", NULL); 1119 if (base) { 1120 gp->active_state = *base; 1121 gp->active_val = (*base) ? 0x5 : 0x4; 1122 gp->inactive_val = (*base) ? 0x4 : 0x5; 1123 } else { 1124 const u32 *prop = NULL; 1125 gp->active_state = IS_G4DA 1126 && !strncmp(device, "keywest-gpio1", 13); 1127 gp->active_val = 0x4; 1128 gp->inactive_val = 0x5; 1129 /* Here are some crude hacks to extract the GPIO polarity and 1130 * open collector informations out of the do-platform script 1131 * as we don't yet have an interpreter for these things 1132 */ 1133 if (platform) 1134 prop = of_get_property(node, platform, NULL); 1135 if (prop) { 1136 if (prop[3] == 0x9 && prop[4] == 0x9) { 1137 gp->active_val = 0xd; 1138 gp->inactive_val = 0xc; 1139 } 1140 if (prop[3] == 0x1 && prop[4] == 0x1) { 1141 gp->active_val = 0x5; 1142 gp->inactive_val = 0x4; 1143 } 1144 } 1145 } 1146 1147 DBG("(I) GPIO device %s found, offset: %x, active state: %d !\n", 1148 device, gp->addr, gp->active_state); 1149 1150 ret = irq_of_parse_and_map(node, 0); 1151 of_node_put(node); 1152 return ret; 1153 } 1154 1155 /* reset audio */ 1156 static void tumbler_reset_audio(struct snd_pmac *chip) 1157 { 1158 struct pmac_tumbler *mix = chip->mixer_data; 1159 1160 if (mix->anded_reset) { 1161 DBG("(I) codec anded reset !\n"); 1162 write_audio_gpio(&mix->hp_mute, 0); 1163 write_audio_gpio(&mix->amp_mute, 0); 1164 msleep(200); 1165 write_audio_gpio(&mix->hp_mute, 1); 1166 write_audio_gpio(&mix->amp_mute, 1); 1167 msleep(100); 1168 write_audio_gpio(&mix->hp_mute, 0); 1169 write_audio_gpio(&mix->amp_mute, 0); 1170 msleep(100); 1171 } else { 1172 DBG("(I) codec normal reset !\n"); 1173 1174 write_audio_gpio(&mix->audio_reset, 0); 1175 msleep(200); 1176 write_audio_gpio(&mix->audio_reset, 1); 1177 msleep(100); 1178 write_audio_gpio(&mix->audio_reset, 0); 1179 msleep(100); 1180 } 1181 } 1182 1183 #ifdef CONFIG_PM 1184 /* suspend mixer */ 1185 static void tumbler_suspend(struct snd_pmac *chip) 1186 { 1187 struct pmac_tumbler *mix = chip->mixer_data; 1188 1189 if (mix->headphone_irq >= 0) 1190 disable_irq(mix->headphone_irq); 1191 if (mix->lineout_irq >= 0) 1192 disable_irq(mix->lineout_irq); 1193 mix->save_master_switch[0] = mix->master_switch[0]; 1194 mix->save_master_switch[1] = mix->master_switch[1]; 1195 mix->save_master_vol[0] = mix->master_vol[0]; 1196 mix->save_master_vol[1] = mix->master_vol[1]; 1197 mix->master_switch[0] = mix->master_switch[1] = 0; 1198 tumbler_set_master_volume(mix); 1199 if (!mix->anded_reset) { 1200 write_audio_gpio(&mix->amp_mute, 1); 1201 write_audio_gpio(&mix->hp_mute, 1); 1202 } 1203 if (chip->model == PMAC_SNAPPER) { 1204 mix->acs |= 1; 1205 i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs); 1206 } 1207 if (mix->anded_reset) { 1208 write_audio_gpio(&mix->amp_mute, 1); 1209 write_audio_gpio(&mix->hp_mute, 1); 1210 } else 1211 write_audio_gpio(&mix->audio_reset, 1); 1212 } 1213 1214 /* resume mixer */ 1215 static void tumbler_resume(struct snd_pmac *chip) 1216 { 1217 struct pmac_tumbler *mix = chip->mixer_data; 1218 1219 mix->acs &= ~1; 1220 mix->master_switch[0] = mix->save_master_switch[0]; 1221 mix->master_switch[1] = mix->save_master_switch[1]; 1222 mix->master_vol[0] = mix->save_master_vol[0]; 1223 mix->master_vol[1] = mix->save_master_vol[1]; 1224 tumbler_reset_audio(chip); 1225 if (mix->i2c.client && mix->i2c.init_client) { 1226 if (mix->i2c.init_client(&mix->i2c) < 0) 1227 printk(KERN_ERR "tumbler_init_client error\n"); 1228 } else 1229 printk(KERN_ERR "tumbler: i2c is not initialized\n"); 1230 if (chip->model == PMAC_TUMBLER) { 1231 tumbler_set_mono_volume(mix, &tumbler_pcm_vol_info); 1232 tumbler_set_mono_volume(mix, &tumbler_bass_vol_info); 1233 tumbler_set_mono_volume(mix, &tumbler_treble_vol_info); 1234 tumbler_set_drc(mix); 1235 } else { 1236 snapper_set_mix_vol(mix, VOL_IDX_PCM); 1237 snapper_set_mix_vol(mix, VOL_IDX_PCM2); 1238 snapper_set_mix_vol(mix, VOL_IDX_ADC); 1239 tumbler_set_mono_volume(mix, &snapper_bass_vol_info); 1240 tumbler_set_mono_volume(mix, &snapper_treble_vol_info); 1241 snapper_set_drc(mix); 1242 snapper_set_capture_source(mix); 1243 } 1244 tumbler_set_master_volume(mix); 1245 if (chip->update_automute) 1246 chip->update_automute(chip, 0); 1247 if (mix->headphone_irq >= 0) { 1248 unsigned char val; 1249 1250 enable_irq(mix->headphone_irq); 1251 /* activate headphone status interrupts */ 1252 val = do_gpio_read(&mix->hp_detect); 1253 do_gpio_write(&mix->hp_detect, val | 0x80); 1254 } 1255 if (mix->lineout_irq >= 0) 1256 enable_irq(mix->lineout_irq); 1257 } 1258 #endif 1259 1260 /* initialize tumbler */ 1261 static int tumbler_init(struct snd_pmac *chip) 1262 { 1263 int irq; 1264 struct pmac_tumbler *mix = chip->mixer_data; 1265 1266 if (tumbler_find_device("audio-hw-reset", 1267 "platform-do-hw-reset", 1268 &mix->audio_reset, 0) < 0) 1269 tumbler_find_device("hw-reset", 1270 "platform-do-hw-reset", 1271 &mix->audio_reset, 1); 1272 if (tumbler_find_device("amp-mute", 1273 "platform-do-amp-mute", 1274 &mix->amp_mute, 0) < 0) 1275 tumbler_find_device("amp-mute", 1276 "platform-do-amp-mute", 1277 &mix->amp_mute, 1); 1278 if (tumbler_find_device("headphone-mute", 1279 "platform-do-headphone-mute", 1280 &mix->hp_mute, 0) < 0) 1281 tumbler_find_device("headphone-mute", 1282 "platform-do-headphone-mute", 1283 &mix->hp_mute, 1); 1284 if (tumbler_find_device("line-output-mute", 1285 "platform-do-lineout-mute", 1286 &mix->line_mute, 0) < 0) 1287 tumbler_find_device("line-output-mute", 1288 "platform-do-lineout-mute", 1289 &mix->line_mute, 1); 1290 irq = tumbler_find_device("headphone-detect", 1291 NULL, &mix->hp_detect, 0); 1292 if (irq <= 0) 1293 irq = tumbler_find_device("headphone-detect", 1294 NULL, &mix->hp_detect, 1); 1295 if (irq <= 0) 1296 irq = tumbler_find_device("keywest-gpio15", 1297 NULL, &mix->hp_detect, 1); 1298 mix->headphone_irq = irq; 1299 irq = tumbler_find_device("line-output-detect", 1300 NULL, &mix->line_detect, 0); 1301 if (irq <= 0) 1302 irq = tumbler_find_device("line-output-detect", 1303 NULL, &mix->line_detect, 1); 1304 if (IS_G4DA && irq <= 0) 1305 irq = tumbler_find_device("keywest-gpio16", 1306 NULL, &mix->line_detect, 1); 1307 mix->lineout_irq = irq; 1308 1309 tumbler_reset_audio(chip); 1310 1311 return 0; 1312 } 1313 1314 static void tumbler_cleanup(struct snd_pmac *chip) 1315 { 1316 struct pmac_tumbler *mix = chip->mixer_data; 1317 if (! mix) 1318 return; 1319 1320 if (mix->headphone_irq >= 0) 1321 free_irq(mix->headphone_irq, chip); 1322 if (mix->lineout_irq >= 0) 1323 free_irq(mix->lineout_irq, chip); 1324 tumbler_gpio_free(&mix->audio_reset); 1325 tumbler_gpio_free(&mix->amp_mute); 1326 tumbler_gpio_free(&mix->hp_mute); 1327 tumbler_gpio_free(&mix->hp_detect); 1328 snd_pmac_keywest_cleanup(&mix->i2c); 1329 kfree(mix); 1330 chip->mixer_data = NULL; 1331 } 1332 1333 /* exported */ 1334 int snd_pmac_tumbler_init(struct snd_pmac *chip) 1335 { 1336 int i, err; 1337 struct pmac_tumbler *mix; 1338 const u32 *paddr; 1339 struct device_node *tas_node, *np; 1340 char *chipname; 1341 1342 request_module("i2c-powermac"); 1343 1344 mix = kzalloc(sizeof(*mix), GFP_KERNEL); 1345 if (! mix) 1346 return -ENOMEM; 1347 mix->headphone_irq = -1; 1348 1349 chip->mixer_data = mix; 1350 chip->mixer_free = tumbler_cleanup; 1351 mix->anded_reset = 0; 1352 mix->reset_on_sleep = 1; 1353 1354 for_each_child_of_node(chip->node, np) { 1355 if (of_node_name_eq(np, "sound")) { 1356 if (of_get_property(np, "has-anded-reset", NULL)) 1357 mix->anded_reset = 1; 1358 if (of_get_property(np, "layout-id", NULL)) 1359 mix->reset_on_sleep = 0; 1360 of_node_put(np); 1361 break; 1362 } 1363 } 1364 if ((err = tumbler_init(chip)) < 0) 1365 return err; 1366 1367 /* set up TAS */ 1368 tas_node = of_find_node_by_name(NULL, "deq"); 1369 if (tas_node == NULL) 1370 tas_node = of_find_node_by_name(NULL, "codec"); 1371 if (tas_node == NULL) 1372 return -ENODEV; 1373 1374 paddr = of_get_property(tas_node, "i2c-address", NULL); 1375 if (paddr == NULL) 1376 paddr = of_get_property(tas_node, "reg", NULL); 1377 if (paddr) 1378 mix->i2c.addr = (*paddr) >> 1; 1379 else 1380 mix->i2c.addr = TAS_I2C_ADDR; 1381 of_node_put(tas_node); 1382 1383 DBG("(I) TAS i2c address is: %x\n", mix->i2c.addr); 1384 1385 if (chip->model == PMAC_TUMBLER) { 1386 mix->i2c.init_client = tumbler_init_client; 1387 mix->i2c.name = "TAS3001c"; 1388 chipname = "Tumbler"; 1389 } else { 1390 mix->i2c.init_client = snapper_init_client; 1391 mix->i2c.name = "TAS3004"; 1392 chipname = "Snapper"; 1393 } 1394 1395 if ((err = snd_pmac_keywest_init(&mix->i2c)) < 0) 1396 return err; 1397 1398 /* 1399 * build mixers 1400 */ 1401 sprintf(chip->card->mixername, "PowerMac %s", chipname); 1402 1403 if (chip->model == PMAC_TUMBLER) { 1404 for (i = 0; i < ARRAY_SIZE(tumbler_mixers); i++) { 1405 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&tumbler_mixers[i], chip))) < 0) 1406 return err; 1407 } 1408 } else { 1409 for (i = 0; i < ARRAY_SIZE(snapper_mixers); i++) { 1410 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snapper_mixers[i], chip))) < 0) 1411 return err; 1412 } 1413 } 1414 chip->master_sw_ctl = snd_ctl_new1(&tumbler_hp_sw, chip); 1415 if ((err = snd_ctl_add(chip->card, chip->master_sw_ctl)) < 0) 1416 return err; 1417 chip->speaker_sw_ctl = snd_ctl_new1(&tumbler_speaker_sw, chip); 1418 if ((err = snd_ctl_add(chip->card, chip->speaker_sw_ctl)) < 0) 1419 return err; 1420 if (mix->line_mute.addr != 0) { 1421 chip->lineout_sw_ctl = snd_ctl_new1(&tumbler_lineout_sw, chip); 1422 if ((err = snd_ctl_add(chip->card, chip->lineout_sw_ctl)) < 0) 1423 return err; 1424 } 1425 chip->drc_sw_ctl = snd_ctl_new1(&tumbler_drc_sw, chip); 1426 if ((err = snd_ctl_add(chip->card, chip->drc_sw_ctl)) < 0) 1427 return err; 1428 1429 /* set initial DRC range to 60% */ 1430 if (chip->model == PMAC_TUMBLER) 1431 mix->drc_range = (TAS3001_DRC_MAX * 6) / 10; 1432 else 1433 mix->drc_range = (TAS3004_DRC_MAX * 6) / 10; 1434 mix->drc_enable = 1; /* will be changed later if AUTO_DRC is set */ 1435 if (chip->model == PMAC_TUMBLER) 1436 tumbler_set_drc(mix); 1437 else 1438 snapper_set_drc(mix); 1439 1440 #ifdef CONFIG_PM 1441 chip->suspend = tumbler_suspend; 1442 chip->resume = tumbler_resume; 1443 #endif 1444 1445 INIT_WORK(&device_change, device_change_handler); 1446 device_change_chip = chip; 1447 1448 #ifdef PMAC_SUPPORT_AUTOMUTE 1449 if ((mix->headphone_irq >=0 || mix->lineout_irq >= 0) 1450 && (err = snd_pmac_add_automute(chip)) < 0) 1451 return err; 1452 chip->detect_headphone = tumbler_detect_headphone; 1453 chip->update_automute = tumbler_update_automute; 1454 tumbler_update_automute(chip, 0); /* update the status only */ 1455 1456 /* activate headphone status interrupts */ 1457 if (mix->headphone_irq >= 0) { 1458 unsigned char val; 1459 if ((err = request_irq(mix->headphone_irq, headphone_intr, 0, 1460 "Sound Headphone Detection", chip)) < 0) 1461 return 0; 1462 /* activate headphone status interrupts */ 1463 val = do_gpio_read(&mix->hp_detect); 1464 do_gpio_write(&mix->hp_detect, val | 0x80); 1465 } 1466 if (mix->lineout_irq >= 0) { 1467 unsigned char val; 1468 if ((err = request_irq(mix->lineout_irq, headphone_intr, 0, 1469 "Sound Lineout Detection", chip)) < 0) 1470 return 0; 1471 /* activate headphone status interrupts */ 1472 val = do_gpio_read(&mix->line_detect); 1473 do_gpio_write(&mix->line_detect, val | 0x80); 1474 } 1475 #endif 1476 1477 return 0; 1478 } 1479