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; 266 267 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("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("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("failed to set mono volume %d\n", info->index); 510 return -EINVAL; 511 } 512 return 0; 513 } 514 515 static int tumbler_info_mono(struct snd_kcontrol *kcontrol, 516 struct snd_ctl_elem_info *uinfo) 517 { 518 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value; 519 520 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 521 uinfo->count = 1; 522 uinfo->value.integer.min = 0; 523 uinfo->value.integer.max = info->max - 1; 524 return 0; 525 } 526 527 static int tumbler_get_mono(struct snd_kcontrol *kcontrol, 528 struct snd_ctl_elem_value *ucontrol) 529 { 530 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value; 531 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 532 struct pmac_tumbler *mix; 533 if (! (mix = chip->mixer_data)) 534 return -ENODEV; 535 ucontrol->value.integer.value[0] = mix->mono_vol[info->index]; 536 return 0; 537 } 538 539 static int tumbler_put_mono(struct snd_kcontrol *kcontrol, 540 struct snd_ctl_elem_value *ucontrol) 541 { 542 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value; 543 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 544 struct pmac_tumbler *mix; 545 unsigned int vol; 546 int change; 547 548 if (! (mix = chip->mixer_data)) 549 return -ENODEV; 550 vol = ucontrol->value.integer.value[0]; 551 if (vol >= info->max) 552 return -EINVAL; 553 change = mix->mono_vol[info->index] != vol; 554 if (change) { 555 mix->mono_vol[info->index] = vol; 556 tumbler_set_mono_volume(mix, info); 557 } 558 return change; 559 } 560 561 /* TAS3001c mono volumes */ 562 static struct tumbler_mono_vol tumbler_pcm_vol_info = { 563 .index = VOL_IDX_PCM_MONO, 564 .reg = TAS_REG_PCM, 565 .bytes = 3, 566 .max = ARRAY_SIZE(mixer_volume_table), 567 .table = mixer_volume_table, 568 }; 569 570 static struct tumbler_mono_vol tumbler_bass_vol_info = { 571 .index = VOL_IDX_BASS, 572 .reg = TAS_REG_BASS, 573 .bytes = 1, 574 .max = ARRAY_SIZE(bass_volume_table), 575 .table = bass_volume_table, 576 }; 577 578 static struct tumbler_mono_vol tumbler_treble_vol_info = { 579 .index = VOL_IDX_TREBLE, 580 .reg = TAS_REG_TREBLE, 581 .bytes = 1, 582 .max = ARRAY_SIZE(treble_volume_table), 583 .table = treble_volume_table, 584 }; 585 586 /* TAS3004 mono volumes */ 587 static struct tumbler_mono_vol snapper_bass_vol_info = { 588 .index = VOL_IDX_BASS, 589 .reg = TAS_REG_BASS, 590 .bytes = 1, 591 .max = ARRAY_SIZE(snapper_bass_volume_table), 592 .table = snapper_bass_volume_table, 593 }; 594 595 static struct tumbler_mono_vol snapper_treble_vol_info = { 596 .index = VOL_IDX_TREBLE, 597 .reg = TAS_REG_TREBLE, 598 .bytes = 1, 599 .max = ARRAY_SIZE(snapper_treble_volume_table), 600 .table = snapper_treble_volume_table, 601 }; 602 603 604 #define DEFINE_MONO(xname,type) { \ 605 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\ 606 .name = xname, \ 607 .info = tumbler_info_mono, \ 608 .get = tumbler_get_mono, \ 609 .put = tumbler_put_mono, \ 610 .private_value = (unsigned long)(&tumbler_##type##_vol_info), \ 611 } 612 613 #define DEFINE_SNAPPER_MONO(xname,type) { \ 614 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\ 615 .name = xname, \ 616 .info = tumbler_info_mono, \ 617 .get = tumbler_get_mono, \ 618 .put = tumbler_put_mono, \ 619 .private_value = (unsigned long)(&snapper_##type##_vol_info), \ 620 } 621 622 623 /* 624 * snapper mixer volumes 625 */ 626 627 static int snapper_set_mix_vol1(struct pmac_tumbler *mix, int idx, int ch, int reg) 628 { 629 int i, j, vol; 630 unsigned char block[9]; 631 632 vol = mix->mix_vol[idx][ch]; 633 if (vol >= ARRAY_SIZE(mixer_volume_table)) { 634 vol = ARRAY_SIZE(mixer_volume_table) - 1; 635 mix->mix_vol[idx][ch] = vol; 636 } 637 638 for (i = 0; i < 3; i++) { 639 vol = mix->mix_vol[i][ch]; 640 vol = mixer_volume_table[vol]; 641 for (j = 0; j < 3; j++) 642 block[i * 3 + j] = (vol >> ((2 - j) * 8)) & 0xff; 643 } 644 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, reg, 645 9, block) < 0) { 646 snd_printk("failed to set mono volume %d\n", reg); 647 return -EINVAL; 648 } 649 return 0; 650 } 651 652 static int snapper_set_mix_vol(struct pmac_tumbler *mix, int idx) 653 { 654 if (! mix->i2c.client) 655 return -ENODEV; 656 if (snapper_set_mix_vol1(mix, idx, 0, TAS_REG_LMIX) < 0 || 657 snapper_set_mix_vol1(mix, idx, 1, TAS_REG_RMIX) < 0) 658 return -EINVAL; 659 return 0; 660 } 661 662 static int snapper_info_mix(struct snd_kcontrol *kcontrol, 663 struct snd_ctl_elem_info *uinfo) 664 { 665 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 666 uinfo->count = 2; 667 uinfo->value.integer.min = 0; 668 uinfo->value.integer.max = ARRAY_SIZE(mixer_volume_table) - 1; 669 return 0; 670 } 671 672 static int snapper_get_mix(struct snd_kcontrol *kcontrol, 673 struct snd_ctl_elem_value *ucontrol) 674 { 675 int idx = (int)kcontrol->private_value; 676 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 677 struct pmac_tumbler *mix; 678 if (! (mix = chip->mixer_data)) 679 return -ENODEV; 680 ucontrol->value.integer.value[0] = mix->mix_vol[idx][0]; 681 ucontrol->value.integer.value[1] = mix->mix_vol[idx][1]; 682 return 0; 683 } 684 685 static int snapper_put_mix(struct snd_kcontrol *kcontrol, 686 struct snd_ctl_elem_value *ucontrol) 687 { 688 int idx = (int)kcontrol->private_value; 689 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 690 struct pmac_tumbler *mix; 691 unsigned int vol[2]; 692 int change; 693 694 if (! (mix = chip->mixer_data)) 695 return -ENODEV; 696 vol[0] = ucontrol->value.integer.value[0]; 697 vol[1] = ucontrol->value.integer.value[1]; 698 if (vol[0] >= ARRAY_SIZE(mixer_volume_table) || 699 vol[1] >= ARRAY_SIZE(mixer_volume_table)) 700 return -EINVAL; 701 change = mix->mix_vol[idx][0] != vol[0] || 702 mix->mix_vol[idx][1] != vol[1]; 703 if (change) { 704 mix->mix_vol[idx][0] = vol[0]; 705 mix->mix_vol[idx][1] = vol[1]; 706 snapper_set_mix_vol(mix, idx); 707 } 708 return change; 709 } 710 711 712 /* 713 * mute switches. FIXME: Turn that into software mute when both outputs are muted 714 * to avoid codec reset on ibook M7 715 */ 716 717 enum { TUMBLER_MUTE_HP, TUMBLER_MUTE_AMP, TUMBLER_MUTE_LINE }; 718 719 static int tumbler_get_mute_switch(struct snd_kcontrol *kcontrol, 720 struct snd_ctl_elem_value *ucontrol) 721 { 722 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 723 struct pmac_tumbler *mix; 724 struct pmac_gpio *gp; 725 if (! (mix = chip->mixer_data)) 726 return -ENODEV; 727 switch(kcontrol->private_value) { 728 case TUMBLER_MUTE_HP: 729 gp = &mix->hp_mute; break; 730 case TUMBLER_MUTE_AMP: 731 gp = &mix->amp_mute; break; 732 case TUMBLER_MUTE_LINE: 733 gp = &mix->line_mute; break; 734 default: 735 gp = NULL; 736 } 737 if (gp == NULL) 738 return -EINVAL; 739 ucontrol->value.integer.value[0] = !check_audio_gpio(gp); 740 return 0; 741 } 742 743 static int tumbler_put_mute_switch(struct snd_kcontrol *kcontrol, 744 struct snd_ctl_elem_value *ucontrol) 745 { 746 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 747 struct pmac_tumbler *mix; 748 struct pmac_gpio *gp; 749 int val; 750 #ifdef PMAC_SUPPORT_AUTOMUTE 751 if (chip->update_automute && chip->auto_mute) 752 return 0; /* don't touch in the auto-mute mode */ 753 #endif 754 if (! (mix = chip->mixer_data)) 755 return -ENODEV; 756 switch(kcontrol->private_value) { 757 case TUMBLER_MUTE_HP: 758 gp = &mix->hp_mute; break; 759 case TUMBLER_MUTE_AMP: 760 gp = &mix->amp_mute; break; 761 case TUMBLER_MUTE_LINE: 762 gp = &mix->line_mute; break; 763 default: 764 gp = NULL; 765 } 766 if (gp == NULL) 767 return -EINVAL; 768 val = ! check_audio_gpio(gp); 769 if (val != ucontrol->value.integer.value[0]) { 770 write_audio_gpio(gp, ! ucontrol->value.integer.value[0]); 771 return 1; 772 } 773 return 0; 774 } 775 776 static int snapper_set_capture_source(struct pmac_tumbler *mix) 777 { 778 if (! mix->i2c.client) 779 return -ENODEV; 780 if (mix->capture_source) 781 mix->acs = mix->acs |= 2; 782 else 783 mix->acs &= ~2; 784 return i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs); 785 } 786 787 static int snapper_info_capture_source(struct snd_kcontrol *kcontrol, 788 struct snd_ctl_elem_info *uinfo) 789 { 790 static char *texts[2] = { 791 "Line", "Mic" 792 }; 793 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 794 uinfo->count = 1; 795 uinfo->value.enumerated.items = 2; 796 if (uinfo->value.enumerated.item > 1) 797 uinfo->value.enumerated.item = 1; 798 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]); 799 return 0; 800 } 801 802 static int snapper_get_capture_source(struct snd_kcontrol *kcontrol, 803 struct snd_ctl_elem_value *ucontrol) 804 { 805 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 806 struct pmac_tumbler *mix = chip->mixer_data; 807 808 ucontrol->value.enumerated.item[0] = mix->capture_source; 809 return 0; 810 } 811 812 static int snapper_put_capture_source(struct snd_kcontrol *kcontrol, 813 struct snd_ctl_elem_value *ucontrol) 814 { 815 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 816 struct pmac_tumbler *mix = chip->mixer_data; 817 int change; 818 819 change = ucontrol->value.enumerated.item[0] != mix->capture_source; 820 if (change) { 821 mix->capture_source = !!ucontrol->value.enumerated.item[0]; 822 snapper_set_capture_source(mix); 823 } 824 return change; 825 } 826 827 #define DEFINE_SNAPPER_MIX(xname,idx,ofs) { \ 828 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\ 829 .name = xname, \ 830 .info = snapper_info_mix, \ 831 .get = snapper_get_mix, \ 832 .put = snapper_put_mix, \ 833 .index = idx,\ 834 .private_value = ofs, \ 835 } 836 837 838 /* 839 */ 840 static struct snd_kcontrol_new tumbler_mixers[] __initdata = { 841 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 842 .name = "Master Playback Volume", 843 .info = tumbler_info_master_volume, 844 .get = tumbler_get_master_volume, 845 .put = tumbler_put_master_volume 846 }, 847 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 848 .name = "Master Playback Switch", 849 .info = snd_pmac_boolean_stereo_info, 850 .get = tumbler_get_master_switch, 851 .put = tumbler_put_master_switch 852 }, 853 DEFINE_MONO("Tone Control - Bass", bass), 854 DEFINE_MONO("Tone Control - Treble", treble), 855 DEFINE_MONO("PCM Playback Volume", pcm), 856 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 857 .name = "DRC Range", 858 .info = tumbler_info_drc_value, 859 .get = tumbler_get_drc_value, 860 .put = tumbler_put_drc_value 861 }, 862 }; 863 864 static struct snd_kcontrol_new snapper_mixers[] __initdata = { 865 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 866 .name = "Master Playback Volume", 867 .info = tumbler_info_master_volume, 868 .get = tumbler_get_master_volume, 869 .put = tumbler_put_master_volume 870 }, 871 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 872 .name = "Master Playback Switch", 873 .info = snd_pmac_boolean_stereo_info, 874 .get = tumbler_get_master_switch, 875 .put = tumbler_put_master_switch 876 }, 877 DEFINE_SNAPPER_MIX("PCM Playback Volume", 0, VOL_IDX_PCM), 878 DEFINE_SNAPPER_MIX("PCM Playback Volume", 1, VOL_IDX_PCM2), 879 DEFINE_SNAPPER_MIX("Monitor Mix Volume", 0, VOL_IDX_ADC), 880 DEFINE_SNAPPER_MONO("Tone Control - Bass", bass), 881 DEFINE_SNAPPER_MONO("Tone Control - Treble", treble), 882 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 883 .name = "DRC Range", 884 .info = tumbler_info_drc_value, 885 .get = tumbler_get_drc_value, 886 .put = tumbler_put_drc_value 887 }, 888 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 889 .name = "Input Source", /* FIXME: "Capture Source" doesn't work properly */ 890 .info = snapper_info_capture_source, 891 .get = snapper_get_capture_source, 892 .put = snapper_put_capture_source 893 }, 894 }; 895 896 static struct snd_kcontrol_new tumbler_hp_sw __initdata = { 897 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 898 .name = "Headphone Playback Switch", 899 .info = snd_pmac_boolean_mono_info, 900 .get = tumbler_get_mute_switch, 901 .put = tumbler_put_mute_switch, 902 .private_value = TUMBLER_MUTE_HP, 903 }; 904 static struct snd_kcontrol_new tumbler_speaker_sw __initdata = { 905 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 906 .name = "PC Speaker Playback Switch", 907 .info = snd_pmac_boolean_mono_info, 908 .get = tumbler_get_mute_switch, 909 .put = tumbler_put_mute_switch, 910 .private_value = TUMBLER_MUTE_AMP, 911 }; 912 static struct snd_kcontrol_new tumbler_lineout_sw __initdata = { 913 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 914 .name = "Line Out Playback Switch", 915 .info = snd_pmac_boolean_mono_info, 916 .get = tumbler_get_mute_switch, 917 .put = tumbler_put_mute_switch, 918 .private_value = TUMBLER_MUTE_LINE, 919 }; 920 static struct snd_kcontrol_new tumbler_drc_sw __initdata = { 921 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 922 .name = "DRC Switch", 923 .info = snd_pmac_boolean_mono_info, 924 .get = tumbler_get_drc_switch, 925 .put = tumbler_put_drc_switch 926 }; 927 928 929 #ifdef PMAC_SUPPORT_AUTOMUTE 930 /* 931 * auto-mute stuffs 932 */ 933 static int tumbler_detect_headphone(struct snd_pmac *chip) 934 { 935 struct pmac_tumbler *mix = chip->mixer_data; 936 int detect = 0; 937 938 if (mix->hp_detect.addr) 939 detect |= read_audio_gpio(&mix->hp_detect); 940 return detect; 941 } 942 943 static int tumbler_detect_lineout(struct snd_pmac *chip) 944 { 945 struct pmac_tumbler *mix = chip->mixer_data; 946 int detect = 0; 947 948 if (mix->line_detect.addr) 949 detect |= read_audio_gpio(&mix->line_detect); 950 return detect; 951 } 952 953 static void check_mute(struct snd_pmac *chip, struct pmac_gpio *gp, int val, int do_notify, 954 struct snd_kcontrol *sw) 955 { 956 if (check_audio_gpio(gp) != val) { 957 write_audio_gpio(gp, val); 958 if (do_notify) 959 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, 960 &sw->id); 961 } 962 } 963 964 static struct work_struct device_change; 965 static struct snd_pmac *device_change_chip; 966 967 static void device_change_handler(struct work_struct *work) 968 { 969 struct snd_pmac *chip = device_change_chip; 970 struct pmac_tumbler *mix; 971 int headphone, lineout; 972 973 if (!chip) 974 return; 975 976 mix = chip->mixer_data; 977 if (snd_BUG_ON(!mix)) 978 return; 979 980 headphone = tumbler_detect_headphone(chip); 981 lineout = tumbler_detect_lineout(chip); 982 983 DBG("headphone: %d, lineout: %d\n", headphone, lineout); 984 985 if (headphone || lineout) { 986 /* unmute headphone/lineout & mute speaker */ 987 if (headphone) 988 check_mute(chip, &mix->hp_mute, 0, mix->auto_mute_notify, 989 chip->master_sw_ctl); 990 if (lineout && mix->line_mute.addr != 0) 991 check_mute(chip, &mix->line_mute, 0, mix->auto_mute_notify, 992 chip->lineout_sw_ctl); 993 if (mix->anded_reset) 994 msleep(10); 995 check_mute(chip, &mix->amp_mute, 1, mix->auto_mute_notify, 996 chip->speaker_sw_ctl); 997 } else { 998 /* unmute speaker, mute others */ 999 check_mute(chip, &mix->amp_mute, 0, mix->auto_mute_notify, 1000 chip->speaker_sw_ctl); 1001 if (mix->anded_reset) 1002 msleep(10); 1003 check_mute(chip, &mix->hp_mute, 1, mix->auto_mute_notify, 1004 chip->master_sw_ctl); 1005 if (mix->line_mute.addr != 0) 1006 check_mute(chip, &mix->line_mute, 1, mix->auto_mute_notify, 1007 chip->lineout_sw_ctl); 1008 } 1009 if (mix->auto_mute_notify) 1010 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, 1011 &chip->hp_detect_ctl->id); 1012 1013 #ifdef CONFIG_SND_POWERMAC_AUTO_DRC 1014 mix->drc_enable = ! (headphone || lineout); 1015 if (mix->auto_mute_notify) 1016 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, 1017 &chip->drc_sw_ctl->id); 1018 if (chip->model == PMAC_TUMBLER) 1019 tumbler_set_drc(mix); 1020 else 1021 snapper_set_drc(mix); 1022 #endif 1023 1024 /* reset the master volume so the correct amplification is applied */ 1025 tumbler_set_master_volume(mix); 1026 } 1027 1028 static void tumbler_update_automute(struct snd_pmac *chip, int do_notify) 1029 { 1030 if (chip->auto_mute) { 1031 struct pmac_tumbler *mix; 1032 mix = chip->mixer_data; 1033 if (snd_BUG_ON(!mix)) 1034 return; 1035 mix->auto_mute_notify = do_notify; 1036 schedule_work(&device_change); 1037 } 1038 } 1039 #endif /* PMAC_SUPPORT_AUTOMUTE */ 1040 1041 1042 /* interrupt - headphone plug changed */ 1043 static irqreturn_t headphone_intr(int irq, void *devid) 1044 { 1045 struct snd_pmac *chip = devid; 1046 if (chip->update_automute && chip->initialized) { 1047 chip->update_automute(chip, 1); 1048 return IRQ_HANDLED; 1049 } 1050 return IRQ_NONE; 1051 } 1052 1053 /* look for audio-gpio device */ 1054 static struct device_node *find_audio_device(const char *name) 1055 { 1056 struct device_node *gpiop; 1057 struct device_node *np; 1058 1059 gpiop = of_find_node_by_name(NULL, "gpio"); 1060 if (! gpiop) 1061 return NULL; 1062 1063 for (np = of_get_next_child(gpiop, NULL); np; 1064 np = of_get_next_child(gpiop, np)) { 1065 const char *property = of_get_property(np, "audio-gpio", NULL); 1066 if (property && strcmp(property, name) == 0) 1067 break; 1068 } 1069 of_node_put(gpiop); 1070 return np; 1071 } 1072 1073 /* look for audio-gpio device */ 1074 static struct device_node *find_compatible_audio_device(const char *name) 1075 { 1076 struct device_node *gpiop; 1077 struct device_node *np; 1078 1079 gpiop = of_find_node_by_name(NULL, "gpio"); 1080 if (!gpiop) 1081 return NULL; 1082 1083 for (np = of_get_next_child(gpiop, NULL); np; 1084 np = of_get_next_child(gpiop, np)) { 1085 if (of_device_is_compatible(np, name)) 1086 break; 1087 } 1088 of_node_put(gpiop); 1089 return np; 1090 } 1091 1092 /* find an audio device and get its address */ 1093 static long tumbler_find_device(const char *device, const char *platform, 1094 struct pmac_gpio *gp, int is_compatible) 1095 { 1096 struct device_node *node; 1097 const u32 *base; 1098 u32 addr; 1099 long ret; 1100 1101 if (is_compatible) 1102 node = find_compatible_audio_device(device); 1103 else 1104 node = find_audio_device(device); 1105 if (! node) { 1106 DBG("(W) cannot find audio device %s !\n", device); 1107 snd_printdd("cannot find device %s\n", device); 1108 return -ENODEV; 1109 } 1110 1111 base = of_get_property(node, "AAPL,address", NULL); 1112 if (! base) { 1113 base = of_get_property(node, "reg", NULL); 1114 if (!base) { 1115 DBG("(E) cannot find address for device %s !\n", device); 1116 snd_printd("cannot find address for device %s\n", device); 1117 of_node_put(node); 1118 return -ENODEV; 1119 } 1120 addr = *base; 1121 if (addr < 0x50) 1122 addr += 0x50; 1123 } else 1124 addr = *base; 1125 1126 gp->addr = addr & 0x0000ffff; 1127 /* Try to find the active state, default to 0 ! */ 1128 base = of_get_property(node, "audio-gpio-active-state", NULL); 1129 if (base) { 1130 gp->active_state = *base; 1131 gp->active_val = (*base) ? 0x5 : 0x4; 1132 gp->inactive_val = (*base) ? 0x4 : 0x5; 1133 } else { 1134 const u32 *prop = NULL; 1135 gp->active_state = 0; 1136 gp->active_val = 0x4; 1137 gp->inactive_val = 0x5; 1138 /* Here are some crude hacks to extract the GPIO polarity and 1139 * open collector informations out of the do-platform script 1140 * as we don't yet have an interpreter for these things 1141 */ 1142 if (platform) 1143 prop = of_get_property(node, platform, NULL); 1144 if (prop) { 1145 if (prop[3] == 0x9 && prop[4] == 0x9) { 1146 gp->active_val = 0xd; 1147 gp->inactive_val = 0xc; 1148 } 1149 if (prop[3] == 0x1 && prop[4] == 0x1) { 1150 gp->active_val = 0x5; 1151 gp->inactive_val = 0x4; 1152 } 1153 } 1154 } 1155 1156 DBG("(I) GPIO device %s found, offset: %x, active state: %d !\n", 1157 device, gp->addr, gp->active_state); 1158 1159 ret = irq_of_parse_and_map(node, 0); 1160 of_node_put(node); 1161 return ret; 1162 } 1163 1164 /* reset audio */ 1165 static void tumbler_reset_audio(struct snd_pmac *chip) 1166 { 1167 struct pmac_tumbler *mix = chip->mixer_data; 1168 1169 if (mix->anded_reset) { 1170 DBG("(I) codec anded reset !\n"); 1171 write_audio_gpio(&mix->hp_mute, 0); 1172 write_audio_gpio(&mix->amp_mute, 0); 1173 msleep(200); 1174 write_audio_gpio(&mix->hp_mute, 1); 1175 write_audio_gpio(&mix->amp_mute, 1); 1176 msleep(100); 1177 write_audio_gpio(&mix->hp_mute, 0); 1178 write_audio_gpio(&mix->amp_mute, 0); 1179 msleep(100); 1180 } else { 1181 DBG("(I) codec normal reset !\n"); 1182 1183 write_audio_gpio(&mix->audio_reset, 0); 1184 msleep(200); 1185 write_audio_gpio(&mix->audio_reset, 1); 1186 msleep(100); 1187 write_audio_gpio(&mix->audio_reset, 0); 1188 msleep(100); 1189 } 1190 } 1191 1192 #ifdef CONFIG_PM 1193 /* suspend mixer */ 1194 static void tumbler_suspend(struct snd_pmac *chip) 1195 { 1196 struct pmac_tumbler *mix = chip->mixer_data; 1197 1198 if (mix->headphone_irq >= 0) 1199 disable_irq(mix->headphone_irq); 1200 if (mix->lineout_irq >= 0) 1201 disable_irq(mix->lineout_irq); 1202 mix->save_master_switch[0] = mix->master_switch[0]; 1203 mix->save_master_switch[1] = mix->master_switch[1]; 1204 mix->save_master_vol[0] = mix->master_vol[0]; 1205 mix->save_master_vol[1] = mix->master_vol[1]; 1206 mix->master_switch[0] = mix->master_switch[1] = 0; 1207 tumbler_set_master_volume(mix); 1208 if (!mix->anded_reset) { 1209 write_audio_gpio(&mix->amp_mute, 1); 1210 write_audio_gpio(&mix->hp_mute, 1); 1211 } 1212 if (chip->model == PMAC_SNAPPER) { 1213 mix->acs |= 1; 1214 i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs); 1215 } 1216 if (mix->anded_reset) { 1217 write_audio_gpio(&mix->amp_mute, 1); 1218 write_audio_gpio(&mix->hp_mute, 1); 1219 } else 1220 write_audio_gpio(&mix->audio_reset, 1); 1221 } 1222 1223 /* resume mixer */ 1224 static void tumbler_resume(struct snd_pmac *chip) 1225 { 1226 struct pmac_tumbler *mix = chip->mixer_data; 1227 1228 mix->acs &= ~1; 1229 mix->master_switch[0] = mix->save_master_switch[0]; 1230 mix->master_switch[1] = mix->save_master_switch[1]; 1231 mix->master_vol[0] = mix->save_master_vol[0]; 1232 mix->master_vol[1] = mix->save_master_vol[1]; 1233 tumbler_reset_audio(chip); 1234 if (mix->i2c.client && mix->i2c.init_client) { 1235 if (mix->i2c.init_client(&mix->i2c) < 0) 1236 printk(KERN_ERR "tumbler_init_client error\n"); 1237 } else 1238 printk(KERN_ERR "tumbler: i2c is not initialized\n"); 1239 if (chip->model == PMAC_TUMBLER) { 1240 tumbler_set_mono_volume(mix, &tumbler_pcm_vol_info); 1241 tumbler_set_mono_volume(mix, &tumbler_bass_vol_info); 1242 tumbler_set_mono_volume(mix, &tumbler_treble_vol_info); 1243 tumbler_set_drc(mix); 1244 } else { 1245 snapper_set_mix_vol(mix, VOL_IDX_PCM); 1246 snapper_set_mix_vol(mix, VOL_IDX_PCM2); 1247 snapper_set_mix_vol(mix, VOL_IDX_ADC); 1248 tumbler_set_mono_volume(mix, &snapper_bass_vol_info); 1249 tumbler_set_mono_volume(mix, &snapper_treble_vol_info); 1250 snapper_set_drc(mix); 1251 snapper_set_capture_source(mix); 1252 } 1253 tumbler_set_master_volume(mix); 1254 if (chip->update_automute) 1255 chip->update_automute(chip, 0); 1256 if (mix->headphone_irq >= 0) { 1257 unsigned char val; 1258 1259 enable_irq(mix->headphone_irq); 1260 /* activate headphone status interrupts */ 1261 val = do_gpio_read(&mix->hp_detect); 1262 do_gpio_write(&mix->hp_detect, val | 0x80); 1263 } 1264 if (mix->lineout_irq >= 0) 1265 enable_irq(mix->lineout_irq); 1266 } 1267 #endif 1268 1269 /* initialize tumbler */ 1270 static int __init tumbler_init(struct snd_pmac *chip) 1271 { 1272 int irq; 1273 struct pmac_tumbler *mix = chip->mixer_data; 1274 1275 if (tumbler_find_device("audio-hw-reset", 1276 "platform-do-hw-reset", 1277 &mix->audio_reset, 0) < 0) 1278 tumbler_find_device("hw-reset", 1279 "platform-do-hw-reset", 1280 &mix->audio_reset, 1); 1281 if (tumbler_find_device("amp-mute", 1282 "platform-do-amp-mute", 1283 &mix->amp_mute, 0) < 0) 1284 tumbler_find_device("amp-mute", 1285 "platform-do-amp-mute", 1286 &mix->amp_mute, 1); 1287 if (tumbler_find_device("headphone-mute", 1288 "platform-do-headphone-mute", 1289 &mix->hp_mute, 0) < 0) 1290 tumbler_find_device("headphone-mute", 1291 "platform-do-headphone-mute", 1292 &mix->hp_mute, 1); 1293 if (tumbler_find_device("line-output-mute", 1294 "platform-do-lineout-mute", 1295 &mix->line_mute, 0) < 0) 1296 tumbler_find_device("line-output-mute", 1297 "platform-do-lineout-mute", 1298 &mix->line_mute, 1); 1299 irq = tumbler_find_device("headphone-detect", 1300 NULL, &mix->hp_detect, 0); 1301 if (irq <= NO_IRQ) 1302 irq = tumbler_find_device("headphone-detect", 1303 NULL, &mix->hp_detect, 1); 1304 if (irq <= NO_IRQ) 1305 irq = tumbler_find_device("keywest-gpio15", 1306 NULL, &mix->hp_detect, 1); 1307 mix->headphone_irq = irq; 1308 irq = tumbler_find_device("line-output-detect", 1309 NULL, &mix->line_detect, 0); 1310 if (irq <= NO_IRQ) 1311 irq = tumbler_find_device("line-output-detect", 1312 NULL, &mix->line_detect, 1); 1313 mix->lineout_irq = irq; 1314 1315 tumbler_reset_audio(chip); 1316 1317 return 0; 1318 } 1319 1320 static void tumbler_cleanup(struct snd_pmac *chip) 1321 { 1322 struct pmac_tumbler *mix = chip->mixer_data; 1323 if (! mix) 1324 return; 1325 1326 if (mix->headphone_irq >= 0) 1327 free_irq(mix->headphone_irq, chip); 1328 if (mix->lineout_irq >= 0) 1329 free_irq(mix->lineout_irq, chip); 1330 tumbler_gpio_free(&mix->audio_reset); 1331 tumbler_gpio_free(&mix->amp_mute); 1332 tumbler_gpio_free(&mix->hp_mute); 1333 tumbler_gpio_free(&mix->hp_detect); 1334 snd_pmac_keywest_cleanup(&mix->i2c); 1335 kfree(mix); 1336 chip->mixer_data = NULL; 1337 } 1338 1339 /* exported */ 1340 int __init snd_pmac_tumbler_init(struct snd_pmac *chip) 1341 { 1342 int i, err; 1343 struct pmac_tumbler *mix; 1344 const u32 *paddr; 1345 struct device_node *tas_node, *np; 1346 char *chipname; 1347 1348 request_module("i2c-powermac"); 1349 1350 mix = kzalloc(sizeof(*mix), GFP_KERNEL); 1351 if (! mix) 1352 return -ENOMEM; 1353 mix->headphone_irq = -1; 1354 1355 chip->mixer_data = mix; 1356 chip->mixer_free = tumbler_cleanup; 1357 mix->anded_reset = 0; 1358 mix->reset_on_sleep = 1; 1359 1360 for (np = chip->node->child; np; np = np->sibling) { 1361 if (!strcmp(np->name, "sound")) { 1362 if (of_get_property(np, "has-anded-reset", NULL)) 1363 mix->anded_reset = 1; 1364 if (of_get_property(np, "layout-id", NULL)) 1365 mix->reset_on_sleep = 0; 1366 break; 1367 } 1368 } 1369 if ((err = tumbler_init(chip)) < 0) 1370 return err; 1371 1372 /* set up TAS */ 1373 tas_node = of_find_node_by_name(NULL, "deq"); 1374 if (tas_node == NULL) 1375 tas_node = of_find_node_by_name(NULL, "codec"); 1376 if (tas_node == NULL) 1377 return -ENODEV; 1378 1379 paddr = of_get_property(tas_node, "i2c-address", NULL); 1380 if (paddr == NULL) 1381 paddr = of_get_property(tas_node, "reg", NULL); 1382 if (paddr) 1383 mix->i2c.addr = (*paddr) >> 1; 1384 else 1385 mix->i2c.addr = TAS_I2C_ADDR; 1386 of_node_put(tas_node); 1387 1388 DBG("(I) TAS i2c address is: %x\n", mix->i2c.addr); 1389 1390 if (chip->model == PMAC_TUMBLER) { 1391 mix->i2c.init_client = tumbler_init_client; 1392 mix->i2c.name = "TAS3001c"; 1393 chipname = "Tumbler"; 1394 } else { 1395 mix->i2c.init_client = snapper_init_client; 1396 mix->i2c.name = "TAS3004"; 1397 chipname = "Snapper"; 1398 } 1399 1400 if ((err = snd_pmac_keywest_init(&mix->i2c)) < 0) 1401 return err; 1402 1403 /* 1404 * build mixers 1405 */ 1406 sprintf(chip->card->mixername, "PowerMac %s", chipname); 1407 1408 if (chip->model == PMAC_TUMBLER) { 1409 for (i = 0; i < ARRAY_SIZE(tumbler_mixers); i++) { 1410 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&tumbler_mixers[i], chip))) < 0) 1411 return err; 1412 } 1413 } else { 1414 for (i = 0; i < ARRAY_SIZE(snapper_mixers); i++) { 1415 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snapper_mixers[i], chip))) < 0) 1416 return err; 1417 } 1418 } 1419 chip->master_sw_ctl = snd_ctl_new1(&tumbler_hp_sw, chip); 1420 if ((err = snd_ctl_add(chip->card, chip->master_sw_ctl)) < 0) 1421 return err; 1422 chip->speaker_sw_ctl = snd_ctl_new1(&tumbler_speaker_sw, chip); 1423 if ((err = snd_ctl_add(chip->card, chip->speaker_sw_ctl)) < 0) 1424 return err; 1425 if (mix->line_mute.addr != 0) { 1426 chip->lineout_sw_ctl = snd_ctl_new1(&tumbler_lineout_sw, chip); 1427 if ((err = snd_ctl_add(chip->card, chip->lineout_sw_ctl)) < 0) 1428 return err; 1429 } 1430 chip->drc_sw_ctl = snd_ctl_new1(&tumbler_drc_sw, chip); 1431 if ((err = snd_ctl_add(chip->card, chip->drc_sw_ctl)) < 0) 1432 return err; 1433 1434 /* set initial DRC range to 60% */ 1435 if (chip->model == PMAC_TUMBLER) 1436 mix->drc_range = (TAS3001_DRC_MAX * 6) / 10; 1437 else 1438 mix->drc_range = (TAS3004_DRC_MAX * 6) / 10; 1439 mix->drc_enable = 1; /* will be changed later if AUTO_DRC is set */ 1440 if (chip->model == PMAC_TUMBLER) 1441 tumbler_set_drc(mix); 1442 else 1443 snapper_set_drc(mix); 1444 1445 #ifdef CONFIG_PM 1446 chip->suspend = tumbler_suspend; 1447 chip->resume = tumbler_resume; 1448 #endif 1449 1450 INIT_WORK(&device_change, device_change_handler); 1451 device_change_chip = chip; 1452 1453 #ifdef PMAC_SUPPORT_AUTOMUTE 1454 if ((mix->headphone_irq >=0 || mix->lineout_irq >= 0) 1455 && (err = snd_pmac_add_automute(chip)) < 0) 1456 return err; 1457 chip->detect_headphone = tumbler_detect_headphone; 1458 chip->update_automute = tumbler_update_automute; 1459 tumbler_update_automute(chip, 0); /* update the status only */ 1460 1461 /* activate headphone status interrupts */ 1462 if (mix->headphone_irq >= 0) { 1463 unsigned char val; 1464 if ((err = request_irq(mix->headphone_irq, headphone_intr, 0, 1465 "Sound Headphone Detection", chip)) < 0) 1466 return 0; 1467 /* activate headphone status interrupts */ 1468 val = do_gpio_read(&mix->hp_detect); 1469 do_gpio_write(&mix->hp_detect, val | 0x80); 1470 } 1471 if (mix->lineout_irq >= 0) { 1472 unsigned char val; 1473 if ((err = request_irq(mix->lineout_irq, headphone_intr, 0, 1474 "Sound Lineout Detection", chip)) < 0) 1475 return 0; 1476 /* activate headphone status interrupts */ 1477 val = do_gpio_read(&mix->line_detect); 1478 do_gpio_write(&mix->line_detect, val | 0x80); 1479 } 1480 #endif 1481 1482 return 0; 1483 } 1484