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(KERN_DEBUG 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(KERN_ERR "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; 266 267 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 vol[0] = ucontrol->value.integer.value[0]; 281 vol[1] = ucontrol->value.integer.value[1]; 282 if (vol[0] >= ARRAY_SIZE(master_volume_table) || 283 vol[1] >= ARRAY_SIZE(master_volume_table)) 284 return -EINVAL; 285 change = mix->master_vol[0] != vol[0] || 286 mix->master_vol[1] != vol[1]; 287 if (change) { 288 mix->master_vol[0] = vol[0]; 289 mix->master_vol[1] = vol[1]; 290 tumbler_set_master_volume(mix); 291 } 292 return change; 293 } 294 295 /* output switch */ 296 static int tumbler_get_master_switch(struct snd_kcontrol *kcontrol, 297 struct snd_ctl_elem_value *ucontrol) 298 { 299 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 300 struct pmac_tumbler *mix = chip->mixer_data; 301 302 ucontrol->value.integer.value[0] = mix->master_switch[0]; 303 ucontrol->value.integer.value[1] = mix->master_switch[1]; 304 return 0; 305 } 306 307 static int tumbler_put_master_switch(struct snd_kcontrol *kcontrol, 308 struct snd_ctl_elem_value *ucontrol) 309 { 310 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 311 struct pmac_tumbler *mix = chip->mixer_data; 312 int change; 313 314 change = mix->master_switch[0] != ucontrol->value.integer.value[0] || 315 mix->master_switch[1] != ucontrol->value.integer.value[1]; 316 if (change) { 317 mix->master_switch[0] = !!ucontrol->value.integer.value[0]; 318 mix->master_switch[1] = !!ucontrol->value.integer.value[1]; 319 tumbler_set_master_volume(mix); 320 } 321 return change; 322 } 323 324 325 /* 326 * TAS3001c dynamic range compression 327 */ 328 329 #define TAS3001_DRC_MAX 0x5f 330 331 static int tumbler_set_drc(struct pmac_tumbler *mix) 332 { 333 unsigned char val[2]; 334 335 if (! mix->i2c.client) 336 return -ENODEV; 337 338 if (mix->drc_enable) { 339 val[0] = 0xc1; /* enable, 3:1 compression */ 340 if (mix->drc_range > TAS3001_DRC_MAX) 341 val[1] = 0xf0; 342 else if (mix->drc_range < 0) 343 val[1] = 0x91; 344 else 345 val[1] = mix->drc_range + 0x91; 346 } else { 347 val[0] = 0; 348 val[1] = 0; 349 } 350 351 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_DRC, 352 2, val) < 0) { 353 snd_printk(KERN_ERR "failed to set DRC\n"); 354 return -EINVAL; 355 } 356 return 0; 357 } 358 359 /* 360 * TAS3004 361 */ 362 363 #define TAS3004_DRC_MAX 0xef 364 365 static int snapper_set_drc(struct pmac_tumbler *mix) 366 { 367 unsigned char val[6]; 368 369 if (! mix->i2c.client) 370 return -ENODEV; 371 372 if (mix->drc_enable) 373 val[0] = 0x50; /* 3:1 above threshold */ 374 else 375 val[0] = 0x51; /* disabled */ 376 val[1] = 0x02; /* 1:1 below threshold */ 377 if (mix->drc_range > 0xef) 378 val[2] = 0xef; 379 else if (mix->drc_range < 0) 380 val[2] = 0x00; 381 else 382 val[2] = mix->drc_range; 383 val[3] = 0xb0; 384 val[4] = 0x60; 385 val[5] = 0xa0; 386 387 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_DRC, 388 6, val) < 0) { 389 snd_printk(KERN_ERR "failed to set DRC\n"); 390 return -EINVAL; 391 } 392 return 0; 393 } 394 395 static int tumbler_info_drc_value(struct snd_kcontrol *kcontrol, 396 struct snd_ctl_elem_info *uinfo) 397 { 398 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 399 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 400 uinfo->count = 1; 401 uinfo->value.integer.min = 0; 402 uinfo->value.integer.max = 403 chip->model == PMAC_TUMBLER ? TAS3001_DRC_MAX : TAS3004_DRC_MAX; 404 return 0; 405 } 406 407 static int tumbler_get_drc_value(struct snd_kcontrol *kcontrol, 408 struct snd_ctl_elem_value *ucontrol) 409 { 410 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 411 struct pmac_tumbler *mix; 412 if (! (mix = chip->mixer_data)) 413 return -ENODEV; 414 ucontrol->value.integer.value[0] = mix->drc_range; 415 return 0; 416 } 417 418 static int tumbler_put_drc_value(struct snd_kcontrol *kcontrol, 419 struct snd_ctl_elem_value *ucontrol) 420 { 421 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 422 struct pmac_tumbler *mix; 423 unsigned int val; 424 int change; 425 426 if (! (mix = chip->mixer_data)) 427 return -ENODEV; 428 val = ucontrol->value.integer.value[0]; 429 if (chip->model == PMAC_TUMBLER) { 430 if (val > TAS3001_DRC_MAX) 431 return -EINVAL; 432 } else { 433 if (val > TAS3004_DRC_MAX) 434 return -EINVAL; 435 } 436 change = mix->drc_range != val; 437 if (change) { 438 mix->drc_range = val; 439 if (chip->model == PMAC_TUMBLER) 440 tumbler_set_drc(mix); 441 else 442 snapper_set_drc(mix); 443 } 444 return change; 445 } 446 447 static int tumbler_get_drc_switch(struct snd_kcontrol *kcontrol, 448 struct snd_ctl_elem_value *ucontrol) 449 { 450 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 451 struct pmac_tumbler *mix; 452 if (! (mix = chip->mixer_data)) 453 return -ENODEV; 454 ucontrol->value.integer.value[0] = mix->drc_enable; 455 return 0; 456 } 457 458 static int tumbler_put_drc_switch(struct snd_kcontrol *kcontrol, 459 struct snd_ctl_elem_value *ucontrol) 460 { 461 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 462 struct pmac_tumbler *mix; 463 int change; 464 465 if (! (mix = chip->mixer_data)) 466 return -ENODEV; 467 change = mix->drc_enable != ucontrol->value.integer.value[0]; 468 if (change) { 469 mix->drc_enable = !!ucontrol->value.integer.value[0]; 470 if (chip->model == PMAC_TUMBLER) 471 tumbler_set_drc(mix); 472 else 473 snapper_set_drc(mix); 474 } 475 return change; 476 } 477 478 479 /* 480 * mono volumes 481 */ 482 483 struct tumbler_mono_vol { 484 int index; 485 int reg; 486 int bytes; 487 unsigned int max; 488 unsigned int *table; 489 }; 490 491 static int tumbler_set_mono_volume(struct pmac_tumbler *mix, 492 struct tumbler_mono_vol *info) 493 { 494 unsigned char block[4]; 495 unsigned int vol; 496 int i; 497 498 if (! mix->i2c.client) 499 return -ENODEV; 500 501 vol = mix->mono_vol[info->index]; 502 if (vol >= info->max) 503 vol = info->max - 1; 504 vol = info->table[vol]; 505 for (i = 0; i < info->bytes; i++) 506 block[i] = (vol >> ((info->bytes - i - 1) * 8)) & 0xff; 507 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, info->reg, 508 info->bytes, block) < 0) { 509 snd_printk(KERN_ERR "failed to set mono volume %d\n", 510 info->index); 511 return -EINVAL; 512 } 513 return 0; 514 } 515 516 static int tumbler_info_mono(struct snd_kcontrol *kcontrol, 517 struct snd_ctl_elem_info *uinfo) 518 { 519 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value; 520 521 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 522 uinfo->count = 1; 523 uinfo->value.integer.min = 0; 524 uinfo->value.integer.max = info->max - 1; 525 return 0; 526 } 527 528 static int tumbler_get_mono(struct snd_kcontrol *kcontrol, 529 struct snd_ctl_elem_value *ucontrol) 530 { 531 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value; 532 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 533 struct pmac_tumbler *mix; 534 if (! (mix = chip->mixer_data)) 535 return -ENODEV; 536 ucontrol->value.integer.value[0] = mix->mono_vol[info->index]; 537 return 0; 538 } 539 540 static int tumbler_put_mono(struct snd_kcontrol *kcontrol, 541 struct snd_ctl_elem_value *ucontrol) 542 { 543 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value; 544 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 545 struct pmac_tumbler *mix; 546 unsigned int vol; 547 int change; 548 549 if (! (mix = chip->mixer_data)) 550 return -ENODEV; 551 vol = ucontrol->value.integer.value[0]; 552 if (vol >= info->max) 553 return -EINVAL; 554 change = mix->mono_vol[info->index] != vol; 555 if (change) { 556 mix->mono_vol[info->index] = vol; 557 tumbler_set_mono_volume(mix, info); 558 } 559 return change; 560 } 561 562 /* TAS3001c mono volumes */ 563 static struct tumbler_mono_vol tumbler_pcm_vol_info = { 564 .index = VOL_IDX_PCM_MONO, 565 .reg = TAS_REG_PCM, 566 .bytes = 3, 567 .max = ARRAY_SIZE(mixer_volume_table), 568 .table = mixer_volume_table, 569 }; 570 571 static struct tumbler_mono_vol tumbler_bass_vol_info = { 572 .index = VOL_IDX_BASS, 573 .reg = TAS_REG_BASS, 574 .bytes = 1, 575 .max = ARRAY_SIZE(bass_volume_table), 576 .table = bass_volume_table, 577 }; 578 579 static struct tumbler_mono_vol tumbler_treble_vol_info = { 580 .index = VOL_IDX_TREBLE, 581 .reg = TAS_REG_TREBLE, 582 .bytes = 1, 583 .max = ARRAY_SIZE(treble_volume_table), 584 .table = treble_volume_table, 585 }; 586 587 /* TAS3004 mono volumes */ 588 static struct tumbler_mono_vol snapper_bass_vol_info = { 589 .index = VOL_IDX_BASS, 590 .reg = TAS_REG_BASS, 591 .bytes = 1, 592 .max = ARRAY_SIZE(snapper_bass_volume_table), 593 .table = snapper_bass_volume_table, 594 }; 595 596 static struct tumbler_mono_vol snapper_treble_vol_info = { 597 .index = VOL_IDX_TREBLE, 598 .reg = TAS_REG_TREBLE, 599 .bytes = 1, 600 .max = ARRAY_SIZE(snapper_treble_volume_table), 601 .table = snapper_treble_volume_table, 602 }; 603 604 605 #define DEFINE_MONO(xname,type) { \ 606 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\ 607 .name = xname, \ 608 .info = tumbler_info_mono, \ 609 .get = tumbler_get_mono, \ 610 .put = tumbler_put_mono, \ 611 .private_value = (unsigned long)(&tumbler_##type##_vol_info), \ 612 } 613 614 #define DEFINE_SNAPPER_MONO(xname,type) { \ 615 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\ 616 .name = xname, \ 617 .info = tumbler_info_mono, \ 618 .get = tumbler_get_mono, \ 619 .put = tumbler_put_mono, \ 620 .private_value = (unsigned long)(&snapper_##type##_vol_info), \ 621 } 622 623 624 /* 625 * snapper mixer volumes 626 */ 627 628 static int snapper_set_mix_vol1(struct pmac_tumbler *mix, int idx, int ch, int reg) 629 { 630 int i, j, vol; 631 unsigned char block[9]; 632 633 vol = mix->mix_vol[idx][ch]; 634 if (vol >= ARRAY_SIZE(mixer_volume_table)) { 635 vol = ARRAY_SIZE(mixer_volume_table) - 1; 636 mix->mix_vol[idx][ch] = vol; 637 } 638 639 for (i = 0; i < 3; i++) { 640 vol = mix->mix_vol[i][ch]; 641 vol = mixer_volume_table[vol]; 642 for (j = 0; j < 3; j++) 643 block[i * 3 + j] = (vol >> ((2 - j) * 8)) & 0xff; 644 } 645 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, reg, 646 9, block) < 0) { 647 snd_printk(KERN_ERR "failed to set mono volume %d\n", reg); 648 return -EINVAL; 649 } 650 return 0; 651 } 652 653 static int snapper_set_mix_vol(struct pmac_tumbler *mix, int idx) 654 { 655 if (! mix->i2c.client) 656 return -ENODEV; 657 if (snapper_set_mix_vol1(mix, idx, 0, TAS_REG_LMIX) < 0 || 658 snapper_set_mix_vol1(mix, idx, 1, TAS_REG_RMIX) < 0) 659 return -EINVAL; 660 return 0; 661 } 662 663 static int snapper_info_mix(struct snd_kcontrol *kcontrol, 664 struct snd_ctl_elem_info *uinfo) 665 { 666 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 667 uinfo->count = 2; 668 uinfo->value.integer.min = 0; 669 uinfo->value.integer.max = ARRAY_SIZE(mixer_volume_table) - 1; 670 return 0; 671 } 672 673 static int snapper_get_mix(struct snd_kcontrol *kcontrol, 674 struct snd_ctl_elem_value *ucontrol) 675 { 676 int idx = (int)kcontrol->private_value; 677 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 678 struct pmac_tumbler *mix; 679 if (! (mix = chip->mixer_data)) 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 if (! (mix = chip->mixer_data)) 696 return -ENODEV; 697 vol[0] = ucontrol->value.integer.value[0]; 698 vol[1] = ucontrol->value.integer.value[1]; 699 if (vol[0] >= ARRAY_SIZE(mixer_volume_table) || 700 vol[1] >= ARRAY_SIZE(mixer_volume_table)) 701 return -EINVAL; 702 change = mix->mix_vol[idx][0] != vol[0] || 703 mix->mix_vol[idx][1] != vol[1]; 704 if (change) { 705 mix->mix_vol[idx][0] = vol[0]; 706 mix->mix_vol[idx][1] = vol[1]; 707 snapper_set_mix_vol(mix, idx); 708 } 709 return change; 710 } 711 712 713 /* 714 * mute switches. FIXME: Turn that into software mute when both outputs are muted 715 * to avoid codec reset on ibook M7 716 */ 717 718 enum { TUMBLER_MUTE_HP, TUMBLER_MUTE_AMP, TUMBLER_MUTE_LINE }; 719 720 static int tumbler_get_mute_switch(struct snd_kcontrol *kcontrol, 721 struct snd_ctl_elem_value *ucontrol) 722 { 723 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 724 struct pmac_tumbler *mix; 725 struct pmac_gpio *gp; 726 if (! (mix = chip->mixer_data)) 727 return -ENODEV; 728 switch(kcontrol->private_value) { 729 case TUMBLER_MUTE_HP: 730 gp = &mix->hp_mute; break; 731 case TUMBLER_MUTE_AMP: 732 gp = &mix->amp_mute; break; 733 case TUMBLER_MUTE_LINE: 734 gp = &mix->line_mute; break; 735 default: 736 gp = NULL; 737 } 738 if (gp == NULL) 739 return -EINVAL; 740 ucontrol->value.integer.value[0] = !check_audio_gpio(gp); 741 return 0; 742 } 743 744 static int tumbler_put_mute_switch(struct snd_kcontrol *kcontrol, 745 struct snd_ctl_elem_value *ucontrol) 746 { 747 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 748 struct pmac_tumbler *mix; 749 struct pmac_gpio *gp; 750 int val; 751 #ifdef PMAC_SUPPORT_AUTOMUTE 752 if (chip->update_automute && chip->auto_mute) 753 return 0; /* don't touch in the auto-mute mode */ 754 #endif 755 if (! (mix = chip->mixer_data)) 756 return -ENODEV; 757 switch(kcontrol->private_value) { 758 case TUMBLER_MUTE_HP: 759 gp = &mix->hp_mute; break; 760 case TUMBLER_MUTE_AMP: 761 gp = &mix->amp_mute; break; 762 case TUMBLER_MUTE_LINE: 763 gp = &mix->line_mute; break; 764 default: 765 gp = NULL; 766 } 767 if (gp == NULL) 768 return -EINVAL; 769 val = ! check_audio_gpio(gp); 770 if (val != ucontrol->value.integer.value[0]) { 771 write_audio_gpio(gp, ! ucontrol->value.integer.value[0]); 772 return 1; 773 } 774 return 0; 775 } 776 777 static int snapper_set_capture_source(struct pmac_tumbler *mix) 778 { 779 if (! mix->i2c.client) 780 return -ENODEV; 781 if (mix->capture_source) 782 mix->acs = mix->acs |= 2; 783 else 784 mix->acs &= ~2; 785 return i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs); 786 } 787 788 static int snapper_info_capture_source(struct snd_kcontrol *kcontrol, 789 struct snd_ctl_elem_info *uinfo) 790 { 791 static char *texts[2] = { 792 "Line", "Mic" 793 }; 794 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 795 uinfo->count = 1; 796 uinfo->value.enumerated.items = 2; 797 if (uinfo->value.enumerated.item > 1) 798 uinfo->value.enumerated.item = 1; 799 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]); 800 return 0; 801 } 802 803 static int snapper_get_capture_source(struct snd_kcontrol *kcontrol, 804 struct snd_ctl_elem_value *ucontrol) 805 { 806 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 807 struct pmac_tumbler *mix = chip->mixer_data; 808 809 ucontrol->value.enumerated.item[0] = mix->capture_source; 810 return 0; 811 } 812 813 static int snapper_put_capture_source(struct snd_kcontrol *kcontrol, 814 struct snd_ctl_elem_value *ucontrol) 815 { 816 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 817 struct pmac_tumbler *mix = chip->mixer_data; 818 int change; 819 820 change = ucontrol->value.enumerated.item[0] != mix->capture_source; 821 if (change) { 822 mix->capture_source = !!ucontrol->value.enumerated.item[0]; 823 snapper_set_capture_source(mix); 824 } 825 return change; 826 } 827 828 #define DEFINE_SNAPPER_MIX(xname,idx,ofs) { \ 829 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\ 830 .name = xname, \ 831 .info = snapper_info_mix, \ 832 .get = snapper_get_mix, \ 833 .put = snapper_put_mix, \ 834 .index = idx,\ 835 .private_value = ofs, \ 836 } 837 838 839 /* 840 */ 841 static struct snd_kcontrol_new tumbler_mixers[] __devinitdata = { 842 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 843 .name = "Master Playback Volume", 844 .info = tumbler_info_master_volume, 845 .get = tumbler_get_master_volume, 846 .put = tumbler_put_master_volume 847 }, 848 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 849 .name = "Master Playback Switch", 850 .info = snd_pmac_boolean_stereo_info, 851 .get = tumbler_get_master_switch, 852 .put = tumbler_put_master_switch 853 }, 854 DEFINE_MONO("Tone Control - Bass", bass), 855 DEFINE_MONO("Tone Control - Treble", treble), 856 DEFINE_MONO("PCM Playback Volume", pcm), 857 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 858 .name = "DRC Range", 859 .info = tumbler_info_drc_value, 860 .get = tumbler_get_drc_value, 861 .put = tumbler_put_drc_value 862 }, 863 }; 864 865 static struct snd_kcontrol_new snapper_mixers[] __devinitdata = { 866 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 867 .name = "Master Playback Volume", 868 .info = tumbler_info_master_volume, 869 .get = tumbler_get_master_volume, 870 .put = tumbler_put_master_volume 871 }, 872 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 873 .name = "Master Playback Switch", 874 .info = snd_pmac_boolean_stereo_info, 875 .get = tumbler_get_master_switch, 876 .put = tumbler_put_master_switch 877 }, 878 DEFINE_SNAPPER_MIX("PCM Playback Volume", 0, VOL_IDX_PCM), 879 /* Alternative PCM is assigned to Mic analog loopback on iBook G4 */ 880 DEFINE_SNAPPER_MIX("Mic Playback Volume", 0, VOL_IDX_PCM2), 881 DEFINE_SNAPPER_MIX("Monitor Mix Volume", 0, VOL_IDX_ADC), 882 DEFINE_SNAPPER_MONO("Tone Control - Bass", bass), 883 DEFINE_SNAPPER_MONO("Tone Control - Treble", treble), 884 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 885 .name = "DRC Range", 886 .info = tumbler_info_drc_value, 887 .get = tumbler_get_drc_value, 888 .put = tumbler_put_drc_value 889 }, 890 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 891 .name = "Input Source", /* FIXME: "Capture Source" doesn't work properly */ 892 .info = snapper_info_capture_source, 893 .get = snapper_get_capture_source, 894 .put = snapper_put_capture_source 895 }, 896 }; 897 898 static struct snd_kcontrol_new tumbler_hp_sw __devinitdata = { 899 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 900 .name = "Headphone Playback Switch", 901 .info = snd_pmac_boolean_mono_info, 902 .get = tumbler_get_mute_switch, 903 .put = tumbler_put_mute_switch, 904 .private_value = TUMBLER_MUTE_HP, 905 }; 906 static struct snd_kcontrol_new tumbler_speaker_sw __devinitdata = { 907 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 908 .name = "PC Speaker Playback Switch", 909 .info = snd_pmac_boolean_mono_info, 910 .get = tumbler_get_mute_switch, 911 .put = tumbler_put_mute_switch, 912 .private_value = TUMBLER_MUTE_AMP, 913 }; 914 static struct snd_kcontrol_new tumbler_lineout_sw __devinitdata = { 915 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 916 .name = "Line Out Playback Switch", 917 .info = snd_pmac_boolean_mono_info, 918 .get = tumbler_get_mute_switch, 919 .put = tumbler_put_mute_switch, 920 .private_value = TUMBLER_MUTE_LINE, 921 }; 922 static struct snd_kcontrol_new tumbler_drc_sw __devinitdata = { 923 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 924 .name = "DRC Switch", 925 .info = snd_pmac_boolean_mono_info, 926 .get = tumbler_get_drc_switch, 927 .put = tumbler_put_drc_switch 928 }; 929 930 931 #ifdef PMAC_SUPPORT_AUTOMUTE 932 /* 933 * auto-mute stuffs 934 */ 935 static int tumbler_detect_headphone(struct snd_pmac *chip) 936 { 937 struct pmac_tumbler *mix = chip->mixer_data; 938 int detect = 0; 939 940 if (mix->hp_detect.addr) 941 detect |= read_audio_gpio(&mix->hp_detect); 942 return detect; 943 } 944 945 static int tumbler_detect_lineout(struct snd_pmac *chip) 946 { 947 struct pmac_tumbler *mix = chip->mixer_data; 948 int detect = 0; 949 950 if (mix->line_detect.addr) 951 detect |= read_audio_gpio(&mix->line_detect); 952 return detect; 953 } 954 955 static void check_mute(struct snd_pmac *chip, struct pmac_gpio *gp, int val, int do_notify, 956 struct snd_kcontrol *sw) 957 { 958 if (check_audio_gpio(gp) != val) { 959 write_audio_gpio(gp, val); 960 if (do_notify) 961 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, 962 &sw->id); 963 } 964 } 965 966 static struct work_struct device_change; 967 static struct snd_pmac *device_change_chip; 968 969 static void device_change_handler(struct work_struct *work) 970 { 971 struct snd_pmac *chip = device_change_chip; 972 struct pmac_tumbler *mix; 973 int headphone, lineout; 974 975 if (!chip) 976 return; 977 978 mix = chip->mixer_data; 979 if (snd_BUG_ON(!mix)) 980 return; 981 982 headphone = tumbler_detect_headphone(chip); 983 lineout = tumbler_detect_lineout(chip); 984 985 DBG("headphone: %d, lineout: %d\n", headphone, lineout); 986 987 if (headphone || lineout) { 988 /* unmute headphone/lineout & mute speaker */ 989 if (headphone) 990 check_mute(chip, &mix->hp_mute, 0, mix->auto_mute_notify, 991 chip->master_sw_ctl); 992 if (lineout && mix->line_mute.addr != 0) 993 check_mute(chip, &mix->line_mute, 0, mix->auto_mute_notify, 994 chip->lineout_sw_ctl); 995 if (mix->anded_reset) 996 msleep(10); 997 check_mute(chip, &mix->amp_mute, 1, mix->auto_mute_notify, 998 chip->speaker_sw_ctl); 999 } else { 1000 /* unmute speaker, mute others */ 1001 check_mute(chip, &mix->amp_mute, 0, mix->auto_mute_notify, 1002 chip->speaker_sw_ctl); 1003 if (mix->anded_reset) 1004 msleep(10); 1005 check_mute(chip, &mix->hp_mute, 1, mix->auto_mute_notify, 1006 chip->master_sw_ctl); 1007 if (mix->line_mute.addr != 0) 1008 check_mute(chip, &mix->line_mute, 1, mix->auto_mute_notify, 1009 chip->lineout_sw_ctl); 1010 } 1011 if (mix->auto_mute_notify) 1012 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, 1013 &chip->hp_detect_ctl->id); 1014 1015 #ifdef CONFIG_SND_POWERMAC_AUTO_DRC 1016 mix->drc_enable = ! (headphone || lineout); 1017 if (mix->auto_mute_notify) 1018 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, 1019 &chip->drc_sw_ctl->id); 1020 if (chip->model == PMAC_TUMBLER) 1021 tumbler_set_drc(mix); 1022 else 1023 snapper_set_drc(mix); 1024 #endif 1025 1026 /* reset the master volume so the correct amplification is applied */ 1027 tumbler_set_master_volume(mix); 1028 } 1029 1030 static void tumbler_update_automute(struct snd_pmac *chip, int do_notify) 1031 { 1032 if (chip->auto_mute) { 1033 struct pmac_tumbler *mix; 1034 mix = chip->mixer_data; 1035 if (snd_BUG_ON(!mix)) 1036 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 mix->acs &= ~1; 1231 mix->master_switch[0] = mix->save_master_switch[0]; 1232 mix->master_switch[1] = mix->save_master_switch[1]; 1233 mix->master_vol[0] = mix->save_master_vol[0]; 1234 mix->master_vol[1] = mix->save_master_vol[1]; 1235 tumbler_reset_audio(chip); 1236 if (mix->i2c.client && mix->i2c.init_client) { 1237 if (mix->i2c.init_client(&mix->i2c) < 0) 1238 printk(KERN_ERR "tumbler_init_client error\n"); 1239 } else 1240 printk(KERN_ERR "tumbler: i2c is not initialized\n"); 1241 if (chip->model == PMAC_TUMBLER) { 1242 tumbler_set_mono_volume(mix, &tumbler_pcm_vol_info); 1243 tumbler_set_mono_volume(mix, &tumbler_bass_vol_info); 1244 tumbler_set_mono_volume(mix, &tumbler_treble_vol_info); 1245 tumbler_set_drc(mix); 1246 } else { 1247 snapper_set_mix_vol(mix, VOL_IDX_PCM); 1248 snapper_set_mix_vol(mix, VOL_IDX_PCM2); 1249 snapper_set_mix_vol(mix, VOL_IDX_ADC); 1250 tumbler_set_mono_volume(mix, &snapper_bass_vol_info); 1251 tumbler_set_mono_volume(mix, &snapper_treble_vol_info); 1252 snapper_set_drc(mix); 1253 snapper_set_capture_source(mix); 1254 } 1255 tumbler_set_master_volume(mix); 1256 if (chip->update_automute) 1257 chip->update_automute(chip, 0); 1258 if (mix->headphone_irq >= 0) { 1259 unsigned char val; 1260 1261 enable_irq(mix->headphone_irq); 1262 /* activate headphone status interrupts */ 1263 val = do_gpio_read(&mix->hp_detect); 1264 do_gpio_write(&mix->hp_detect, val | 0x80); 1265 } 1266 if (mix->lineout_irq >= 0) 1267 enable_irq(mix->lineout_irq); 1268 } 1269 #endif 1270 1271 /* initialize tumbler */ 1272 static int __devinit tumbler_init(struct snd_pmac *chip) 1273 { 1274 int irq; 1275 struct pmac_tumbler *mix = chip->mixer_data; 1276 1277 if (tumbler_find_device("audio-hw-reset", 1278 "platform-do-hw-reset", 1279 &mix->audio_reset, 0) < 0) 1280 tumbler_find_device("hw-reset", 1281 "platform-do-hw-reset", 1282 &mix->audio_reset, 1); 1283 if (tumbler_find_device("amp-mute", 1284 "platform-do-amp-mute", 1285 &mix->amp_mute, 0) < 0) 1286 tumbler_find_device("amp-mute", 1287 "platform-do-amp-mute", 1288 &mix->amp_mute, 1); 1289 if (tumbler_find_device("headphone-mute", 1290 "platform-do-headphone-mute", 1291 &mix->hp_mute, 0) < 0) 1292 tumbler_find_device("headphone-mute", 1293 "platform-do-headphone-mute", 1294 &mix->hp_mute, 1); 1295 if (tumbler_find_device("line-output-mute", 1296 "platform-do-lineout-mute", 1297 &mix->line_mute, 0) < 0) 1298 tumbler_find_device("line-output-mute", 1299 "platform-do-lineout-mute", 1300 &mix->line_mute, 1); 1301 irq = tumbler_find_device("headphone-detect", 1302 NULL, &mix->hp_detect, 0); 1303 if (irq <= NO_IRQ) 1304 irq = tumbler_find_device("headphone-detect", 1305 NULL, &mix->hp_detect, 1); 1306 if (irq <= NO_IRQ) 1307 irq = tumbler_find_device("keywest-gpio15", 1308 NULL, &mix->hp_detect, 1); 1309 mix->headphone_irq = irq; 1310 irq = tumbler_find_device("line-output-detect", 1311 NULL, &mix->line_detect, 0); 1312 if (irq <= NO_IRQ) 1313 irq = tumbler_find_device("line-output-detect", 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 __devinit 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 (np = chip->node->child; np; np = np->sibling) { 1363 if (!strcmp(np->name, "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 break; 1369 } 1370 } 1371 if ((err = tumbler_init(chip)) < 0) 1372 return err; 1373 1374 /* set up TAS */ 1375 tas_node = of_find_node_by_name(NULL, "deq"); 1376 if (tas_node == NULL) 1377 tas_node = of_find_node_by_name(NULL, "codec"); 1378 if (tas_node == NULL) 1379 return -ENODEV; 1380 1381 paddr = of_get_property(tas_node, "i2c-address", NULL); 1382 if (paddr == NULL) 1383 paddr = of_get_property(tas_node, "reg", NULL); 1384 if (paddr) 1385 mix->i2c.addr = (*paddr) >> 1; 1386 else 1387 mix->i2c.addr = TAS_I2C_ADDR; 1388 of_node_put(tas_node); 1389 1390 DBG("(I) TAS i2c address is: %x\n", mix->i2c.addr); 1391 1392 if (chip->model == PMAC_TUMBLER) { 1393 mix->i2c.init_client = tumbler_init_client; 1394 mix->i2c.name = "TAS3001c"; 1395 chipname = "Tumbler"; 1396 } else { 1397 mix->i2c.init_client = snapper_init_client; 1398 mix->i2c.name = "TAS3004"; 1399 chipname = "Snapper"; 1400 } 1401 1402 if ((err = snd_pmac_keywest_init(&mix->i2c)) < 0) 1403 return err; 1404 1405 /* 1406 * build mixers 1407 */ 1408 sprintf(chip->card->mixername, "PowerMac %s", chipname); 1409 1410 if (chip->model == PMAC_TUMBLER) { 1411 for (i = 0; i < ARRAY_SIZE(tumbler_mixers); i++) { 1412 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&tumbler_mixers[i], chip))) < 0) 1413 return err; 1414 } 1415 } else { 1416 for (i = 0; i < ARRAY_SIZE(snapper_mixers); i++) { 1417 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snapper_mixers[i], chip))) < 0) 1418 return err; 1419 } 1420 } 1421 chip->master_sw_ctl = snd_ctl_new1(&tumbler_hp_sw, chip); 1422 if ((err = snd_ctl_add(chip->card, chip->master_sw_ctl)) < 0) 1423 return err; 1424 chip->speaker_sw_ctl = snd_ctl_new1(&tumbler_speaker_sw, chip); 1425 if ((err = snd_ctl_add(chip->card, chip->speaker_sw_ctl)) < 0) 1426 return err; 1427 if (mix->line_mute.addr != 0) { 1428 chip->lineout_sw_ctl = snd_ctl_new1(&tumbler_lineout_sw, chip); 1429 if ((err = snd_ctl_add(chip->card, chip->lineout_sw_ctl)) < 0) 1430 return err; 1431 } 1432 chip->drc_sw_ctl = snd_ctl_new1(&tumbler_drc_sw, chip); 1433 if ((err = snd_ctl_add(chip->card, chip->drc_sw_ctl)) < 0) 1434 return err; 1435 1436 /* set initial DRC range to 60% */ 1437 if (chip->model == PMAC_TUMBLER) 1438 mix->drc_range = (TAS3001_DRC_MAX * 6) / 10; 1439 else 1440 mix->drc_range = (TAS3004_DRC_MAX * 6) / 10; 1441 mix->drc_enable = 1; /* will be changed later if AUTO_DRC is set */ 1442 if (chip->model == PMAC_TUMBLER) 1443 tumbler_set_drc(mix); 1444 else 1445 snapper_set_drc(mix); 1446 1447 #ifdef CONFIG_PM 1448 chip->suspend = tumbler_suspend; 1449 chip->resume = tumbler_resume; 1450 #endif 1451 1452 INIT_WORK(&device_change, device_change_handler); 1453 device_change_chip = chip; 1454 1455 #ifdef PMAC_SUPPORT_AUTOMUTE 1456 if ((mix->headphone_irq >=0 || mix->lineout_irq >= 0) 1457 && (err = snd_pmac_add_automute(chip)) < 0) 1458 return err; 1459 chip->detect_headphone = tumbler_detect_headphone; 1460 chip->update_automute = tumbler_update_automute; 1461 tumbler_update_automute(chip, 0); /* update the status only */ 1462 1463 /* activate headphone status interrupts */ 1464 if (mix->headphone_irq >= 0) { 1465 unsigned char val; 1466 if ((err = request_irq(mix->headphone_irq, headphone_intr, 0, 1467 "Sound Headphone Detection", chip)) < 0) 1468 return 0; 1469 /* activate headphone status interrupts */ 1470 val = do_gpio_read(&mix->hp_detect); 1471 do_gpio_write(&mix->hp_detect, val | 0x80); 1472 } 1473 if (mix->lineout_irq >= 0) { 1474 unsigned char val; 1475 if ((err = request_irq(mix->lineout_irq, headphone_intr, 0, 1476 "Sound Lineout Detection", chip)) < 0) 1477 return 0; 1478 /* activate headphone status interrupts */ 1479 val = do_gpio_read(&mix->line_detect); 1480 do_gpio_write(&mix->line_detect, val | 0x80); 1481 } 1482 #endif 1483 1484 return 0; 1485 } 1486