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