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 <sound/driver.h> 28 #include <linux/init.h> 29 #include <linux/delay.h> 30 #include <linux/i2c.h> 31 #include <linux/kmod.h> 32 #include <linux/slab.h> 33 #include <linux/interrupt.h> 34 #include <sound/core.h> 35 #include <asm/io.h> 36 #include <asm/irq.h> 37 #include <asm/machdep.h> 38 #include <asm/pmac_feature.h> 39 #include "pmac.h" 40 #include "tumbler_volume.h" 41 42 #undef DEBUG 43 44 #ifdef DEBUG 45 #define DBG(fmt...) printk(fmt) 46 #else 47 #define DBG(fmt...) 48 #endif 49 50 /* i2c address for tumbler */ 51 #define TAS_I2C_ADDR 0x34 52 53 /* registers */ 54 #define TAS_REG_MCS 0x01 /* main control */ 55 #define TAS_REG_DRC 0x02 56 #define TAS_REG_VOL 0x04 57 #define TAS_REG_TREBLE 0x05 58 #define TAS_REG_BASS 0x06 59 #define TAS_REG_INPUT1 0x07 60 #define TAS_REG_INPUT2 0x08 61 62 /* tas3001c */ 63 #define TAS_REG_PCM TAS_REG_INPUT1 64 65 /* tas3004 */ 66 #define TAS_REG_LMIX TAS_REG_INPUT1 67 #define TAS_REG_RMIX TAS_REG_INPUT2 68 #define TAS_REG_MCS2 0x43 /* main control 2 */ 69 #define TAS_REG_ACS 0x40 /* analog control */ 70 71 /* mono volumes for tas3001c/tas3004 */ 72 enum { 73 VOL_IDX_PCM_MONO, /* tas3001c only */ 74 VOL_IDX_BASS, VOL_IDX_TREBLE, 75 VOL_IDX_LAST_MONO 76 }; 77 78 /* stereo volumes for tas3004 */ 79 enum { 80 VOL_IDX_PCM, VOL_IDX_PCM2, VOL_IDX_ADC, 81 VOL_IDX_LAST_MIX 82 }; 83 84 struct pmac_gpio { 85 unsigned int addr; 86 u8 active_val; 87 u8 inactive_val; 88 u8 active_state; 89 }; 90 91 struct pmac_tumbler { 92 struct pmac_keywest i2c; 93 struct pmac_gpio audio_reset; 94 struct pmac_gpio amp_mute; 95 struct pmac_gpio line_mute; 96 struct pmac_gpio line_detect; 97 struct pmac_gpio hp_mute; 98 struct pmac_gpio hp_detect; 99 int headphone_irq; 100 int lineout_irq; 101 unsigned int save_master_vol[2]; 102 unsigned int master_vol[2]; 103 unsigned int save_master_switch[2]; 104 unsigned int master_switch[2]; 105 unsigned int mono_vol[VOL_IDX_LAST_MONO]; 106 unsigned int mix_vol[VOL_IDX_LAST_MIX][2]; /* stereo volumes for tas3004 */ 107 int drc_range; 108 int drc_enable; 109 int capture_source; 110 int anded_reset; 111 int auto_mute_notify; 112 int reset_on_sleep; 113 u8 acs; 114 }; 115 116 117 /* 118 */ 119 120 static int send_init_client(struct pmac_keywest *i2c, unsigned int *regs) 121 { 122 while (*regs > 0) { 123 int err, count = 10; 124 do { 125 err = i2c_smbus_write_byte_data(i2c->client, 126 regs[0], regs[1]); 127 if (err >= 0) 128 break; 129 DBG("(W) i2c error %d\n", err); 130 mdelay(10); 131 } while (count--); 132 if (err < 0) 133 return -ENXIO; 134 regs += 2; 135 } 136 return 0; 137 } 138 139 140 static int tumbler_init_client(struct pmac_keywest *i2c) 141 { 142 static unsigned int regs[] = { 143 /* normal operation, SCLK=64fps, i2s output, i2s input, 16bit width */ 144 TAS_REG_MCS, (1<<6)|(2<<4)|(2<<2)|0, 145 0, /* terminator */ 146 }; 147 DBG("(I) tumbler init client\n"); 148 return send_init_client(i2c, regs); 149 } 150 151 static int snapper_init_client(struct pmac_keywest *i2c) 152 { 153 static unsigned int regs[] = { 154 /* normal operation, SCLK=64fps, i2s output, 16bit width */ 155 TAS_REG_MCS, (1<<6)|(2<<4)|0, 156 /* normal operation, all-pass mode */ 157 TAS_REG_MCS2, (1<<1), 158 /* normal output, no deemphasis, A input, power-up, line-in */ 159 TAS_REG_ACS, 0, 160 0, /* terminator */ 161 }; 162 DBG("(I) snapper init client\n"); 163 return send_init_client(i2c, regs); 164 } 165 166 /* 167 * gpio access 168 */ 169 #define do_gpio_write(gp, val) \ 170 pmac_call_feature(PMAC_FTR_WRITE_GPIO, NULL, (gp)->addr, val) 171 #define do_gpio_read(gp) \ 172 pmac_call_feature(PMAC_FTR_READ_GPIO, NULL, (gp)->addr, 0) 173 #define tumbler_gpio_free(gp) /* NOP */ 174 175 static void write_audio_gpio(struct pmac_gpio *gp, int active) 176 { 177 if (! gp->addr) 178 return; 179 active = active ? gp->active_val : gp->inactive_val; 180 do_gpio_write(gp, active); 181 DBG("(I) gpio %x write %d\n", gp->addr, active); 182 } 183 184 static int check_audio_gpio(struct pmac_gpio *gp) 185 { 186 int ret; 187 188 if (! gp->addr) 189 return 0; 190 191 ret = do_gpio_read(gp); 192 193 return (ret & 0x1) == (gp->active_val & 0x1); 194 } 195 196 static int read_audio_gpio(struct pmac_gpio *gp) 197 { 198 int ret; 199 if (! gp->addr) 200 return 0; 201 ret = do_gpio_read(gp); 202 ret = (ret & 0x02) !=0; 203 return ret == gp->active_state; 204 } 205 206 /* 207 * update master volume 208 */ 209 static int tumbler_set_master_volume(struct pmac_tumbler *mix) 210 { 211 unsigned char block[6]; 212 unsigned int left_vol, right_vol; 213 214 if (! mix->i2c.client) 215 return -ENODEV; 216 217 if (! mix->master_switch[0]) 218 left_vol = 0; 219 else { 220 left_vol = mix->master_vol[0]; 221 if (left_vol >= ARRAY_SIZE(master_volume_table)) 222 left_vol = ARRAY_SIZE(master_volume_table) - 1; 223 left_vol = master_volume_table[left_vol]; 224 } 225 if (! mix->master_switch[1]) 226 right_vol = 0; 227 else { 228 right_vol = mix->master_vol[1]; 229 if (right_vol >= ARRAY_SIZE(master_volume_table)) 230 right_vol = ARRAY_SIZE(master_volume_table) - 1; 231 right_vol = master_volume_table[right_vol]; 232 } 233 234 block[0] = (left_vol >> 16) & 0xff; 235 block[1] = (left_vol >> 8) & 0xff; 236 block[2] = (left_vol >> 0) & 0xff; 237 238 block[3] = (right_vol >> 16) & 0xff; 239 block[4] = (right_vol >> 8) & 0xff; 240 block[5] = (right_vol >> 0) & 0xff; 241 242 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_VOL, 6, 243 block) < 0) { 244 snd_printk("failed to set volume \n"); 245 return -EINVAL; 246 } 247 return 0; 248 } 249 250 251 /* output volume */ 252 static int tumbler_info_master_volume(struct snd_kcontrol *kcontrol, 253 struct snd_ctl_elem_info *uinfo) 254 { 255 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 256 uinfo->count = 2; 257 uinfo->value.integer.min = 0; 258 uinfo->value.integer.max = ARRAY_SIZE(master_volume_table) - 1; 259 return 0; 260 } 261 262 static int tumbler_get_master_volume(struct snd_kcontrol *kcontrol, 263 struct snd_ctl_elem_value *ucontrol) 264 { 265 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 266 struct pmac_tumbler *mix = chip->mixer_data; 267 snd_assert(mix, return -ENODEV); 268 ucontrol->value.integer.value[0] = mix->master_vol[0]; 269 ucontrol->value.integer.value[1] = mix->master_vol[1]; 270 return 0; 271 } 272 273 static int tumbler_put_master_volume(struct snd_kcontrol *kcontrol, 274 struct snd_ctl_elem_value *ucontrol) 275 { 276 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 277 struct pmac_tumbler *mix = chip->mixer_data; 278 int change; 279 280 snd_assert(mix, return -ENODEV); 281 change = mix->master_vol[0] != ucontrol->value.integer.value[0] || 282 mix->master_vol[1] != ucontrol->value.integer.value[1]; 283 if (change) { 284 mix->master_vol[0] = ucontrol->value.integer.value[0]; 285 mix->master_vol[1] = ucontrol->value.integer.value[1]; 286 tumbler_set_master_volume(mix); 287 } 288 return change; 289 } 290 291 /* output switch */ 292 static int tumbler_get_master_switch(struct snd_kcontrol *kcontrol, 293 struct snd_ctl_elem_value *ucontrol) 294 { 295 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 296 struct pmac_tumbler *mix = chip->mixer_data; 297 snd_assert(mix, return -ENODEV); 298 ucontrol->value.integer.value[0] = mix->master_switch[0]; 299 ucontrol->value.integer.value[1] = mix->master_switch[1]; 300 return 0; 301 } 302 303 static int tumbler_put_master_switch(struct snd_kcontrol *kcontrol, 304 struct snd_ctl_elem_value *ucontrol) 305 { 306 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 307 struct pmac_tumbler *mix = chip->mixer_data; 308 int change; 309 310 snd_assert(mix, return -ENODEV); 311 change = mix->master_switch[0] != ucontrol->value.integer.value[0] || 312 mix->master_switch[1] != ucontrol->value.integer.value[1]; 313 if (change) { 314 mix->master_switch[0] = !!ucontrol->value.integer.value[0]; 315 mix->master_switch[1] = !!ucontrol->value.integer.value[1]; 316 tumbler_set_master_volume(mix); 317 } 318 return change; 319 } 320 321 322 /* 323 * TAS3001c dynamic range compression 324 */ 325 326 #define TAS3001_DRC_MAX 0x5f 327 328 static int tumbler_set_drc(struct pmac_tumbler *mix) 329 { 330 unsigned char val[2]; 331 332 if (! mix->i2c.client) 333 return -ENODEV; 334 335 if (mix->drc_enable) { 336 val[0] = 0xc1; /* enable, 3:1 compression */ 337 if (mix->drc_range > TAS3001_DRC_MAX) 338 val[1] = 0xf0; 339 else if (mix->drc_range < 0) 340 val[1] = 0x91; 341 else 342 val[1] = mix->drc_range + 0x91; 343 } else { 344 val[0] = 0; 345 val[1] = 0; 346 } 347 348 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_DRC, 349 2, val) < 0) { 350 snd_printk("failed to set DRC\n"); 351 return -EINVAL; 352 } 353 return 0; 354 } 355 356 /* 357 * TAS3004 358 */ 359 360 #define TAS3004_DRC_MAX 0xef 361 362 static int snapper_set_drc(struct pmac_tumbler *mix) 363 { 364 unsigned char val[6]; 365 366 if (! mix->i2c.client) 367 return -ENODEV; 368 369 if (mix->drc_enable) 370 val[0] = 0x50; /* 3:1 above threshold */ 371 else 372 val[0] = 0x51; /* disabled */ 373 val[1] = 0x02; /* 1:1 below threshold */ 374 if (mix->drc_range > 0xef) 375 val[2] = 0xef; 376 else if (mix->drc_range < 0) 377 val[2] = 0x00; 378 else 379 val[2] = mix->drc_range; 380 val[3] = 0xb0; 381 val[4] = 0x60; 382 val[5] = 0xa0; 383 384 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_DRC, 385 6, val) < 0) { 386 snd_printk("failed to set DRC\n"); 387 return -EINVAL; 388 } 389 return 0; 390 } 391 392 static int tumbler_info_drc_value(struct snd_kcontrol *kcontrol, 393 struct snd_ctl_elem_info *uinfo) 394 { 395 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 396 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 397 uinfo->count = 1; 398 uinfo->value.integer.min = 0; 399 uinfo->value.integer.max = 400 chip->model == PMAC_TUMBLER ? TAS3001_DRC_MAX : TAS3004_DRC_MAX; 401 return 0; 402 } 403 404 static int tumbler_get_drc_value(struct snd_kcontrol *kcontrol, 405 struct snd_ctl_elem_value *ucontrol) 406 { 407 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 408 struct pmac_tumbler *mix; 409 if (! (mix = chip->mixer_data)) 410 return -ENODEV; 411 ucontrol->value.integer.value[0] = mix->drc_range; 412 return 0; 413 } 414 415 static int tumbler_put_drc_value(struct snd_kcontrol *kcontrol, 416 struct snd_ctl_elem_value *ucontrol) 417 { 418 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 419 struct pmac_tumbler *mix; 420 int change; 421 422 if (! (mix = chip->mixer_data)) 423 return -ENODEV; 424 change = mix->drc_range != ucontrol->value.integer.value[0]; 425 if (change) { 426 mix->drc_range = ucontrol->value.integer.value[0]; 427 if (chip->model == PMAC_TUMBLER) 428 tumbler_set_drc(mix); 429 else 430 snapper_set_drc(mix); 431 } 432 return change; 433 } 434 435 static int tumbler_get_drc_switch(struct snd_kcontrol *kcontrol, 436 struct snd_ctl_elem_value *ucontrol) 437 { 438 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 439 struct pmac_tumbler *mix; 440 if (! (mix = chip->mixer_data)) 441 return -ENODEV; 442 ucontrol->value.integer.value[0] = mix->drc_enable; 443 return 0; 444 } 445 446 static int tumbler_put_drc_switch(struct snd_kcontrol *kcontrol, 447 struct snd_ctl_elem_value *ucontrol) 448 { 449 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 450 struct pmac_tumbler *mix; 451 int change; 452 453 if (! (mix = chip->mixer_data)) 454 return -ENODEV; 455 change = mix->drc_enable != ucontrol->value.integer.value[0]; 456 if (change) { 457 mix->drc_enable = !!ucontrol->value.integer.value[0]; 458 if (chip->model == PMAC_TUMBLER) 459 tumbler_set_drc(mix); 460 else 461 snapper_set_drc(mix); 462 } 463 return change; 464 } 465 466 467 /* 468 * mono volumes 469 */ 470 471 struct tumbler_mono_vol { 472 int index; 473 int reg; 474 int bytes; 475 unsigned int max; 476 unsigned int *table; 477 }; 478 479 static int tumbler_set_mono_volume(struct pmac_tumbler *mix, 480 struct tumbler_mono_vol *info) 481 { 482 unsigned char block[4]; 483 unsigned int vol; 484 int i; 485 486 if (! mix->i2c.client) 487 return -ENODEV; 488 489 vol = mix->mono_vol[info->index]; 490 if (vol >= info->max) 491 vol = info->max - 1; 492 vol = info->table[vol]; 493 for (i = 0; i < info->bytes; i++) 494 block[i] = (vol >> ((info->bytes - i - 1) * 8)) & 0xff; 495 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, info->reg, 496 info->bytes, block) < 0) { 497 snd_printk("failed to set mono volume %d\n", info->index); 498 return -EINVAL; 499 } 500 return 0; 501 } 502 503 static int tumbler_info_mono(struct snd_kcontrol *kcontrol, 504 struct snd_ctl_elem_info *uinfo) 505 { 506 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value; 507 508 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 509 uinfo->count = 1; 510 uinfo->value.integer.min = 0; 511 uinfo->value.integer.max = info->max - 1; 512 return 0; 513 } 514 515 static int tumbler_get_mono(struct snd_kcontrol *kcontrol, 516 struct snd_ctl_elem_value *ucontrol) 517 { 518 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value; 519 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 520 struct pmac_tumbler *mix; 521 if (! (mix = chip->mixer_data)) 522 return -ENODEV; 523 ucontrol->value.integer.value[0] = mix->mono_vol[info->index]; 524 return 0; 525 } 526 527 static int tumbler_put_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 int change; 534 535 if (! (mix = chip->mixer_data)) 536 return -ENODEV; 537 change = mix->mono_vol[info->index] != ucontrol->value.integer.value[0]; 538 if (change) { 539 mix->mono_vol[info->index] = ucontrol->value.integer.value[0]; 540 tumbler_set_mono_volume(mix, info); 541 } 542 return change; 543 } 544 545 /* TAS3001c mono volumes */ 546 static struct tumbler_mono_vol tumbler_pcm_vol_info = { 547 .index = VOL_IDX_PCM_MONO, 548 .reg = TAS_REG_PCM, 549 .bytes = 3, 550 .max = ARRAY_SIZE(mixer_volume_table), 551 .table = mixer_volume_table, 552 }; 553 554 static struct tumbler_mono_vol tumbler_bass_vol_info = { 555 .index = VOL_IDX_BASS, 556 .reg = TAS_REG_BASS, 557 .bytes = 1, 558 .max = ARRAY_SIZE(bass_volume_table), 559 .table = bass_volume_table, 560 }; 561 562 static struct tumbler_mono_vol tumbler_treble_vol_info = { 563 .index = VOL_IDX_TREBLE, 564 .reg = TAS_REG_TREBLE, 565 .bytes = 1, 566 .max = ARRAY_SIZE(treble_volume_table), 567 .table = treble_volume_table, 568 }; 569 570 /* TAS3004 mono volumes */ 571 static struct tumbler_mono_vol snapper_bass_vol_info = { 572 .index = VOL_IDX_BASS, 573 .reg = TAS_REG_BASS, 574 .bytes = 1, 575 .max = ARRAY_SIZE(snapper_bass_volume_table), 576 .table = snapper_bass_volume_table, 577 }; 578 579 static struct tumbler_mono_vol snapper_treble_vol_info = { 580 .index = VOL_IDX_TREBLE, 581 .reg = TAS_REG_TREBLE, 582 .bytes = 1, 583 .max = ARRAY_SIZE(snapper_treble_volume_table), 584 .table = snapper_treble_volume_table, 585 }; 586 587 588 #define DEFINE_MONO(xname,type) { \ 589 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\ 590 .name = xname, \ 591 .info = tumbler_info_mono, \ 592 .get = tumbler_get_mono, \ 593 .put = tumbler_put_mono, \ 594 .private_value = (unsigned long)(&tumbler_##type##_vol_info), \ 595 } 596 597 #define DEFINE_SNAPPER_MONO(xname,type) { \ 598 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\ 599 .name = xname, \ 600 .info = tumbler_info_mono, \ 601 .get = tumbler_get_mono, \ 602 .put = tumbler_put_mono, \ 603 .private_value = (unsigned long)(&snapper_##type##_vol_info), \ 604 } 605 606 607 /* 608 * snapper mixer volumes 609 */ 610 611 static int snapper_set_mix_vol1(struct pmac_tumbler *mix, int idx, int ch, int reg) 612 { 613 int i, j, vol; 614 unsigned char block[9]; 615 616 vol = mix->mix_vol[idx][ch]; 617 if (vol >= ARRAY_SIZE(mixer_volume_table)) { 618 vol = ARRAY_SIZE(mixer_volume_table) - 1; 619 mix->mix_vol[idx][ch] = vol; 620 } 621 622 for (i = 0; i < 3; i++) { 623 vol = mix->mix_vol[i][ch]; 624 vol = mixer_volume_table[vol]; 625 for (j = 0; j < 3; j++) 626 block[i * 3 + j] = (vol >> ((2 - j) * 8)) & 0xff; 627 } 628 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, reg, 629 9, block) < 0) { 630 snd_printk("failed to set mono volume %d\n", reg); 631 return -EINVAL; 632 } 633 return 0; 634 } 635 636 static int snapper_set_mix_vol(struct pmac_tumbler *mix, int idx) 637 { 638 if (! mix->i2c.client) 639 return -ENODEV; 640 if (snapper_set_mix_vol1(mix, idx, 0, TAS_REG_LMIX) < 0 || 641 snapper_set_mix_vol1(mix, idx, 1, TAS_REG_RMIX) < 0) 642 return -EINVAL; 643 return 0; 644 } 645 646 static int snapper_info_mix(struct snd_kcontrol *kcontrol, 647 struct snd_ctl_elem_info *uinfo) 648 { 649 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 650 uinfo->count = 2; 651 uinfo->value.integer.min = 0; 652 uinfo->value.integer.max = ARRAY_SIZE(mixer_volume_table) - 1; 653 return 0; 654 } 655 656 static int snapper_get_mix(struct snd_kcontrol *kcontrol, 657 struct snd_ctl_elem_value *ucontrol) 658 { 659 int idx = (int)kcontrol->private_value; 660 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 661 struct pmac_tumbler *mix; 662 if (! (mix = chip->mixer_data)) 663 return -ENODEV; 664 ucontrol->value.integer.value[0] = mix->mix_vol[idx][0]; 665 ucontrol->value.integer.value[1] = mix->mix_vol[idx][1]; 666 return 0; 667 } 668 669 static int snapper_put_mix(struct snd_kcontrol *kcontrol, 670 struct snd_ctl_elem_value *ucontrol) 671 { 672 int idx = (int)kcontrol->private_value; 673 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 674 struct pmac_tumbler *mix; 675 int change; 676 677 if (! (mix = chip->mixer_data)) 678 return -ENODEV; 679 change = mix->mix_vol[idx][0] != ucontrol->value.integer.value[0] || 680 mix->mix_vol[idx][1] != ucontrol->value.integer.value[1]; 681 if (change) { 682 mix->mix_vol[idx][0] = ucontrol->value.integer.value[0]; 683 mix->mix_vol[idx][1] = ucontrol->value.integer.value[1]; 684 snapper_set_mix_vol(mix, idx); 685 } 686 return change; 687 } 688 689 690 /* 691 * mute switches. FIXME: Turn that into software mute when both outputs are muted 692 * to avoid codec reset on ibook M7 693 */ 694 695 enum { TUMBLER_MUTE_HP, TUMBLER_MUTE_AMP, TUMBLER_MUTE_LINE }; 696 697 static int tumbler_get_mute_switch(struct snd_kcontrol *kcontrol, 698 struct snd_ctl_elem_value *ucontrol) 699 { 700 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 701 struct pmac_tumbler *mix; 702 struct pmac_gpio *gp; 703 if (! (mix = chip->mixer_data)) 704 return -ENODEV; 705 switch(kcontrol->private_value) { 706 case TUMBLER_MUTE_HP: 707 gp = &mix->hp_mute; break; 708 case TUMBLER_MUTE_AMP: 709 gp = &mix->amp_mute; break; 710 case TUMBLER_MUTE_LINE: 711 gp = &mix->line_mute; break; 712 default: 713 gp = NULL; 714 } 715 if (gp == NULL) 716 return -EINVAL; 717 ucontrol->value.integer.value[0] = !check_audio_gpio(gp); 718 return 0; 719 } 720 721 static int tumbler_put_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 int val; 728 #ifdef PMAC_SUPPORT_AUTOMUTE 729 if (chip->update_automute && chip->auto_mute) 730 return 0; /* don't touch in the auto-mute mode */ 731 #endif 732 if (! (mix = chip->mixer_data)) 733 return -ENODEV; 734 switch(kcontrol->private_value) { 735 case TUMBLER_MUTE_HP: 736 gp = &mix->hp_mute; break; 737 case TUMBLER_MUTE_AMP: 738 gp = &mix->amp_mute; break; 739 case TUMBLER_MUTE_LINE: 740 gp = &mix->line_mute; break; 741 default: 742 gp = NULL; 743 } 744 if (gp == NULL) 745 return -EINVAL; 746 val = ! check_audio_gpio(gp); 747 if (val != ucontrol->value.integer.value[0]) { 748 write_audio_gpio(gp, ! ucontrol->value.integer.value[0]); 749 return 1; 750 } 751 return 0; 752 } 753 754 static int snapper_set_capture_source(struct pmac_tumbler *mix) 755 { 756 if (! mix->i2c.client) 757 return -ENODEV; 758 if (mix->capture_source) 759 mix->acs = mix->acs |= 2; 760 else 761 mix->acs &= ~2; 762 return i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs); 763 } 764 765 static int snapper_info_capture_source(struct snd_kcontrol *kcontrol, 766 struct snd_ctl_elem_info *uinfo) 767 { 768 static char *texts[2] = { 769 "Line", "Mic" 770 }; 771 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 772 uinfo->count = 1; 773 uinfo->value.enumerated.items = 2; 774 if (uinfo->value.enumerated.item > 1) 775 uinfo->value.enumerated.item = 1; 776 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]); 777 return 0; 778 } 779 780 static int snapper_get_capture_source(struct snd_kcontrol *kcontrol, 781 struct snd_ctl_elem_value *ucontrol) 782 { 783 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 784 struct pmac_tumbler *mix = chip->mixer_data; 785 786 snd_assert(mix, return -ENODEV); 787 ucontrol->value.integer.value[0] = mix->capture_source; 788 return 0; 789 } 790 791 static int snapper_put_capture_source(struct snd_kcontrol *kcontrol, 792 struct snd_ctl_elem_value *ucontrol) 793 { 794 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 795 struct pmac_tumbler *mix = chip->mixer_data; 796 int change; 797 798 snd_assert(mix, return -ENODEV); 799 change = ucontrol->value.integer.value[0] != mix->capture_source; 800 if (change) { 801 mix->capture_source = !!ucontrol->value.integer.value[0]; 802 snapper_set_capture_source(mix); 803 } 804 return change; 805 } 806 807 #define DEFINE_SNAPPER_MIX(xname,idx,ofs) { \ 808 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\ 809 .name = xname, \ 810 .info = snapper_info_mix, \ 811 .get = snapper_get_mix, \ 812 .put = snapper_put_mix, \ 813 .index = idx,\ 814 .private_value = ofs, \ 815 } 816 817 818 /* 819 */ 820 static struct snd_kcontrol_new tumbler_mixers[] __initdata = { 821 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 822 .name = "Master Playback Volume", 823 .info = tumbler_info_master_volume, 824 .get = tumbler_get_master_volume, 825 .put = tumbler_put_master_volume 826 }, 827 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 828 .name = "Master Playback Switch", 829 .info = snd_pmac_boolean_stereo_info, 830 .get = tumbler_get_master_switch, 831 .put = tumbler_put_master_switch 832 }, 833 DEFINE_MONO("Tone Control - Bass", bass), 834 DEFINE_MONO("Tone Control - Treble", treble), 835 DEFINE_MONO("PCM Playback Volume", pcm), 836 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 837 .name = "DRC Range", 838 .info = tumbler_info_drc_value, 839 .get = tumbler_get_drc_value, 840 .put = tumbler_put_drc_value 841 }, 842 }; 843 844 static struct snd_kcontrol_new snapper_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_SNAPPER_MIX("PCM Playback Volume", 0, VOL_IDX_PCM), 858 DEFINE_SNAPPER_MIX("PCM Playback Volume", 1, VOL_IDX_PCM2), 859 DEFINE_SNAPPER_MIX("Monitor Mix Volume", 0, VOL_IDX_ADC), 860 DEFINE_SNAPPER_MONO("Tone Control - Bass", bass), 861 DEFINE_SNAPPER_MONO("Tone Control - Treble", treble), 862 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 863 .name = "DRC Range", 864 .info = tumbler_info_drc_value, 865 .get = tumbler_get_drc_value, 866 .put = tumbler_put_drc_value 867 }, 868 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 869 .name = "Input Source", /* FIXME: "Capture Source" doesn't work properly */ 870 .info = snapper_info_capture_source, 871 .get = snapper_get_capture_source, 872 .put = snapper_put_capture_source 873 }, 874 }; 875 876 static struct snd_kcontrol_new tumbler_hp_sw __initdata = { 877 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 878 .name = "Headphone Playback Switch", 879 .info = snd_pmac_boolean_mono_info, 880 .get = tumbler_get_mute_switch, 881 .put = tumbler_put_mute_switch, 882 .private_value = TUMBLER_MUTE_HP, 883 }; 884 static struct snd_kcontrol_new tumbler_speaker_sw __initdata = { 885 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 886 .name = "PC Speaker Playback Switch", 887 .info = snd_pmac_boolean_mono_info, 888 .get = tumbler_get_mute_switch, 889 .put = tumbler_put_mute_switch, 890 .private_value = TUMBLER_MUTE_AMP, 891 }; 892 static struct snd_kcontrol_new tumbler_lineout_sw __initdata = { 893 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 894 .name = "Line Out Playback Switch", 895 .info = snd_pmac_boolean_mono_info, 896 .get = tumbler_get_mute_switch, 897 .put = tumbler_put_mute_switch, 898 .private_value = TUMBLER_MUTE_LINE, 899 }; 900 static struct snd_kcontrol_new tumbler_drc_sw __initdata = { 901 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 902 .name = "DRC Switch", 903 .info = snd_pmac_boolean_mono_info, 904 .get = tumbler_get_drc_switch, 905 .put = tumbler_put_drc_switch 906 }; 907 908 909 #ifdef PMAC_SUPPORT_AUTOMUTE 910 /* 911 * auto-mute stuffs 912 */ 913 static int tumbler_detect_headphone(struct snd_pmac *chip) 914 { 915 struct pmac_tumbler *mix = chip->mixer_data; 916 int detect = 0; 917 918 if (mix->hp_detect.addr) 919 detect |= read_audio_gpio(&mix->hp_detect); 920 return detect; 921 } 922 923 static int tumbler_detect_lineout(struct snd_pmac *chip) 924 { 925 struct pmac_tumbler *mix = chip->mixer_data; 926 int detect = 0; 927 928 if (mix->line_detect.addr) 929 detect |= read_audio_gpio(&mix->line_detect); 930 return detect; 931 } 932 933 static void check_mute(struct snd_pmac *chip, struct pmac_gpio *gp, int val, int do_notify, 934 struct snd_kcontrol *sw) 935 { 936 if (check_audio_gpio(gp) != val) { 937 write_audio_gpio(gp, val); 938 if (do_notify) 939 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, 940 &sw->id); 941 } 942 } 943 944 static struct work_struct device_change; 945 static struct snd_pmac *device_change_chip; 946 947 static void device_change_handler(struct work_struct *work) 948 { 949 struct snd_pmac *chip = device_change_chip; 950 struct pmac_tumbler *mix; 951 int headphone, lineout; 952 953 if (!chip) 954 return; 955 956 mix = chip->mixer_data; 957 snd_assert(mix, return); 958 959 headphone = tumbler_detect_headphone(chip); 960 lineout = tumbler_detect_lineout(chip); 961 962 DBG("headphone: %d, lineout: %d\n", headphone, lineout); 963 964 if (headphone || lineout) { 965 /* unmute headphone/lineout & mute speaker */ 966 if (headphone) 967 check_mute(chip, &mix->hp_mute, 0, mix->auto_mute_notify, 968 chip->master_sw_ctl); 969 if (lineout && mix->line_mute.addr != 0) 970 check_mute(chip, &mix->line_mute, 0, mix->auto_mute_notify, 971 chip->lineout_sw_ctl); 972 if (mix->anded_reset) 973 msleep(10); 974 check_mute(chip, &mix->amp_mute, 1, mix->auto_mute_notify, 975 chip->speaker_sw_ctl); 976 } else { 977 /* unmute speaker, mute others */ 978 check_mute(chip, &mix->amp_mute, 0, mix->auto_mute_notify, 979 chip->speaker_sw_ctl); 980 if (mix->anded_reset) 981 msleep(10); 982 check_mute(chip, &mix->hp_mute, 1, mix->auto_mute_notify, 983 chip->master_sw_ctl); 984 if (mix->line_mute.addr != 0) 985 check_mute(chip, &mix->line_mute, 1, mix->auto_mute_notify, 986 chip->lineout_sw_ctl); 987 } 988 if (mix->auto_mute_notify) 989 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, 990 &chip->hp_detect_ctl->id); 991 992 #ifdef CONFIG_SND_POWERMAC_AUTO_DRC 993 mix->drc_enable = ! (headphone || lineout); 994 if (mix->auto_mute_notify) 995 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, 996 &chip->drc_sw_ctl->id); 997 if (chip->model == PMAC_TUMBLER) 998 tumbler_set_drc(mix); 999 else 1000 snapper_set_drc(mix); 1001 #endif 1002 1003 /* reset the master volume so the correct amplification is applied */ 1004 tumbler_set_master_volume(mix); 1005 } 1006 1007 static void tumbler_update_automute(struct snd_pmac *chip, int do_notify) 1008 { 1009 if (chip->auto_mute) { 1010 struct pmac_tumbler *mix; 1011 mix = chip->mixer_data; 1012 snd_assert(mix, return); 1013 mix->auto_mute_notify = do_notify; 1014 schedule_work(&device_change); 1015 } 1016 } 1017 #endif /* PMAC_SUPPORT_AUTOMUTE */ 1018 1019 1020 /* interrupt - headphone plug changed */ 1021 static irqreturn_t headphone_intr(int irq, void *devid) 1022 { 1023 struct snd_pmac *chip = devid; 1024 if (chip->update_automute && chip->initialized) { 1025 chip->update_automute(chip, 1); 1026 return IRQ_HANDLED; 1027 } 1028 return IRQ_NONE; 1029 } 1030 1031 /* look for audio-gpio device */ 1032 static struct device_node *find_audio_device(const char *name) 1033 { 1034 struct device_node *gpiop; 1035 struct device_node *np; 1036 1037 gpiop = of_find_node_by_name(NULL, "gpio"); 1038 if (! gpiop) 1039 return NULL; 1040 1041 for (np = of_get_next_child(gpiop, NULL); np; 1042 np = of_get_next_child(gpiop, np)) { 1043 const char *property = of_get_property(np, "audio-gpio", NULL); 1044 if (property && strcmp(property, name) == 0) 1045 break; 1046 } 1047 of_node_put(gpiop); 1048 return np; 1049 } 1050 1051 /* look for audio-gpio device */ 1052 static struct device_node *find_compatible_audio_device(const char *name) 1053 { 1054 struct device_node *gpiop; 1055 struct device_node *np; 1056 1057 gpiop = of_find_node_by_name(NULL, "gpio"); 1058 if (!gpiop) 1059 return NULL; 1060 1061 for (np = of_get_next_child(gpiop, NULL); np; 1062 np = of_get_next_child(gpiop, np)) { 1063 if (of_device_is_compatible(np, name)) 1064 break; 1065 } 1066 of_node_put(gpiop); 1067 return np; 1068 } 1069 1070 /* find an audio device and get its address */ 1071 static long tumbler_find_device(const char *device, const char *platform, 1072 struct pmac_gpio *gp, int is_compatible) 1073 { 1074 struct device_node *node; 1075 const u32 *base; 1076 u32 addr; 1077 long ret; 1078 1079 if (is_compatible) 1080 node = find_compatible_audio_device(device); 1081 else 1082 node = find_audio_device(device); 1083 if (! node) { 1084 DBG("(W) cannot find audio device %s !\n", device); 1085 snd_printdd("cannot find device %s\n", device); 1086 return -ENODEV; 1087 } 1088 1089 base = of_get_property(node, "AAPL,address", NULL); 1090 if (! base) { 1091 base = of_get_property(node, "reg", NULL); 1092 if (!base) { 1093 DBG("(E) cannot find address for device %s !\n", device); 1094 snd_printd("cannot find address for device %s\n", device); 1095 of_node_put(node); 1096 return -ENODEV; 1097 } 1098 addr = *base; 1099 if (addr < 0x50) 1100 addr += 0x50; 1101 } else 1102 addr = *base; 1103 1104 gp->addr = addr & 0x0000ffff; 1105 /* Try to find the active state, default to 0 ! */ 1106 base = of_get_property(node, "audio-gpio-active-state", NULL); 1107 if (base) { 1108 gp->active_state = *base; 1109 gp->active_val = (*base) ? 0x5 : 0x4; 1110 gp->inactive_val = (*base) ? 0x4 : 0x5; 1111 } else { 1112 const u32 *prop = NULL; 1113 gp->active_state = 0; 1114 gp->active_val = 0x4; 1115 gp->inactive_val = 0x5; 1116 /* Here are some crude hacks to extract the GPIO polarity and 1117 * open collector informations out of the do-platform script 1118 * as we don't yet have an interpreter for these things 1119 */ 1120 if (platform) 1121 prop = of_get_property(node, platform, NULL); 1122 if (prop) { 1123 if (prop[3] == 0x9 && prop[4] == 0x9) { 1124 gp->active_val = 0xd; 1125 gp->inactive_val = 0xc; 1126 } 1127 if (prop[3] == 0x1 && prop[4] == 0x1) { 1128 gp->active_val = 0x5; 1129 gp->inactive_val = 0x4; 1130 } 1131 } 1132 } 1133 1134 DBG("(I) GPIO device %s found, offset: %x, active state: %d !\n", 1135 device, gp->addr, gp->active_state); 1136 1137 ret = irq_of_parse_and_map(node, 0); 1138 of_node_put(node); 1139 return ret; 1140 } 1141 1142 /* reset audio */ 1143 static void tumbler_reset_audio(struct snd_pmac *chip) 1144 { 1145 struct pmac_tumbler *mix = chip->mixer_data; 1146 1147 if (mix->anded_reset) { 1148 DBG("(I) codec anded reset !\n"); 1149 write_audio_gpio(&mix->hp_mute, 0); 1150 write_audio_gpio(&mix->amp_mute, 0); 1151 msleep(200); 1152 write_audio_gpio(&mix->hp_mute, 1); 1153 write_audio_gpio(&mix->amp_mute, 1); 1154 msleep(100); 1155 write_audio_gpio(&mix->hp_mute, 0); 1156 write_audio_gpio(&mix->amp_mute, 0); 1157 msleep(100); 1158 } else { 1159 DBG("(I) codec normal reset !\n"); 1160 1161 write_audio_gpio(&mix->audio_reset, 0); 1162 msleep(200); 1163 write_audio_gpio(&mix->audio_reset, 1); 1164 msleep(100); 1165 write_audio_gpio(&mix->audio_reset, 0); 1166 msleep(100); 1167 } 1168 } 1169 1170 #ifdef CONFIG_PM 1171 /* suspend mixer */ 1172 static void tumbler_suspend(struct snd_pmac *chip) 1173 { 1174 struct pmac_tumbler *mix = chip->mixer_data; 1175 1176 if (mix->headphone_irq >= 0) 1177 disable_irq(mix->headphone_irq); 1178 if (mix->lineout_irq >= 0) 1179 disable_irq(mix->lineout_irq); 1180 mix->save_master_switch[0] = mix->master_switch[0]; 1181 mix->save_master_switch[1] = mix->master_switch[1]; 1182 mix->save_master_vol[0] = mix->master_vol[0]; 1183 mix->save_master_vol[1] = mix->master_vol[1]; 1184 mix->master_switch[0] = mix->master_switch[1] = 0; 1185 tumbler_set_master_volume(mix); 1186 if (!mix->anded_reset) { 1187 write_audio_gpio(&mix->amp_mute, 1); 1188 write_audio_gpio(&mix->hp_mute, 1); 1189 } 1190 if (chip->model == PMAC_SNAPPER) { 1191 mix->acs |= 1; 1192 i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs); 1193 } 1194 if (mix->anded_reset) { 1195 write_audio_gpio(&mix->amp_mute, 1); 1196 write_audio_gpio(&mix->hp_mute, 1); 1197 } else 1198 write_audio_gpio(&mix->audio_reset, 1); 1199 } 1200 1201 /* resume mixer */ 1202 static void tumbler_resume(struct snd_pmac *chip) 1203 { 1204 struct pmac_tumbler *mix = chip->mixer_data; 1205 1206 snd_assert(mix, return); 1207 1208 mix->acs &= ~1; 1209 mix->master_switch[0] = mix->save_master_switch[0]; 1210 mix->master_switch[1] = mix->save_master_switch[1]; 1211 mix->master_vol[0] = mix->save_master_vol[0]; 1212 mix->master_vol[1] = mix->save_master_vol[1]; 1213 tumbler_reset_audio(chip); 1214 if (mix->i2c.client && mix->i2c.init_client) { 1215 if (mix->i2c.init_client(&mix->i2c) < 0) 1216 printk(KERN_ERR "tumbler_init_client error\n"); 1217 } else 1218 printk(KERN_ERR "tumbler: i2c is not initialized\n"); 1219 if (chip->model == PMAC_TUMBLER) { 1220 tumbler_set_mono_volume(mix, &tumbler_pcm_vol_info); 1221 tumbler_set_mono_volume(mix, &tumbler_bass_vol_info); 1222 tumbler_set_mono_volume(mix, &tumbler_treble_vol_info); 1223 tumbler_set_drc(mix); 1224 } else { 1225 snapper_set_mix_vol(mix, VOL_IDX_PCM); 1226 snapper_set_mix_vol(mix, VOL_IDX_PCM2); 1227 snapper_set_mix_vol(mix, VOL_IDX_ADC); 1228 tumbler_set_mono_volume(mix, &snapper_bass_vol_info); 1229 tumbler_set_mono_volume(mix, &snapper_treble_vol_info); 1230 snapper_set_drc(mix); 1231 snapper_set_capture_source(mix); 1232 } 1233 tumbler_set_master_volume(mix); 1234 if (chip->update_automute) 1235 chip->update_automute(chip, 0); 1236 if (mix->headphone_irq >= 0) { 1237 unsigned char val; 1238 1239 enable_irq(mix->headphone_irq); 1240 /* activate headphone status interrupts */ 1241 val = do_gpio_read(&mix->hp_detect); 1242 do_gpio_write(&mix->hp_detect, val | 0x80); 1243 } 1244 if (mix->lineout_irq >= 0) 1245 enable_irq(mix->lineout_irq); 1246 } 1247 #endif 1248 1249 /* initialize tumbler */ 1250 static int __init tumbler_init(struct snd_pmac *chip) 1251 { 1252 int irq; 1253 struct pmac_tumbler *mix = chip->mixer_data; 1254 snd_assert(mix, return -EINVAL); 1255 1256 if (tumbler_find_device("audio-hw-reset", 1257 "platform-do-hw-reset", 1258 &mix->audio_reset, 0) < 0) 1259 tumbler_find_device("hw-reset", 1260 "platform-do-hw-reset", 1261 &mix->audio_reset, 1); 1262 if (tumbler_find_device("amp-mute", 1263 "platform-do-amp-mute", 1264 &mix->amp_mute, 0) < 0) 1265 tumbler_find_device("amp-mute", 1266 "platform-do-amp-mute", 1267 &mix->amp_mute, 1); 1268 if (tumbler_find_device("headphone-mute", 1269 "platform-do-headphone-mute", 1270 &mix->hp_mute, 0) < 0) 1271 tumbler_find_device("headphone-mute", 1272 "platform-do-headphone-mute", 1273 &mix->hp_mute, 1); 1274 if (tumbler_find_device("line-output-mute", 1275 "platform-do-lineout-mute", 1276 &mix->line_mute, 0) < 0) 1277 tumbler_find_device("line-output-mute", 1278 "platform-do-lineout-mute", 1279 &mix->line_mute, 1); 1280 irq = tumbler_find_device("headphone-detect", 1281 NULL, &mix->hp_detect, 0); 1282 if (irq <= NO_IRQ) 1283 irq = tumbler_find_device("headphone-detect", 1284 NULL, &mix->hp_detect, 1); 1285 if (irq <= NO_IRQ) 1286 irq = tumbler_find_device("keywest-gpio15", 1287 NULL, &mix->hp_detect, 1); 1288 mix->headphone_irq = irq; 1289 irq = tumbler_find_device("line-output-detect", 1290 NULL, &mix->line_detect, 0); 1291 if (irq <= NO_IRQ) 1292 irq = tumbler_find_device("line-output-detect", 1293 NULL, &mix->line_detect, 1); 1294 mix->lineout_irq = irq; 1295 1296 tumbler_reset_audio(chip); 1297 1298 return 0; 1299 } 1300 1301 static void tumbler_cleanup(struct snd_pmac *chip) 1302 { 1303 struct pmac_tumbler *mix = chip->mixer_data; 1304 if (! mix) 1305 return; 1306 1307 if (mix->headphone_irq >= 0) 1308 free_irq(mix->headphone_irq, chip); 1309 if (mix->lineout_irq >= 0) 1310 free_irq(mix->lineout_irq, chip); 1311 tumbler_gpio_free(&mix->audio_reset); 1312 tumbler_gpio_free(&mix->amp_mute); 1313 tumbler_gpio_free(&mix->hp_mute); 1314 tumbler_gpio_free(&mix->hp_detect); 1315 snd_pmac_keywest_cleanup(&mix->i2c); 1316 kfree(mix); 1317 chip->mixer_data = NULL; 1318 } 1319 1320 /* exported */ 1321 int __init snd_pmac_tumbler_init(struct snd_pmac *chip) 1322 { 1323 int i, err; 1324 struct pmac_tumbler *mix; 1325 const u32 *paddr; 1326 struct device_node *tas_node, *np; 1327 char *chipname; 1328 1329 #ifdef CONFIG_KMOD 1330 if (current->fs->root) 1331 request_module("i2c-powermac"); 1332 #endif /* CONFIG_KMOD */ 1333 1334 mix = kzalloc(sizeof(*mix), GFP_KERNEL); 1335 if (! mix) 1336 return -ENOMEM; 1337 mix->headphone_irq = -1; 1338 1339 chip->mixer_data = mix; 1340 chip->mixer_free = tumbler_cleanup; 1341 mix->anded_reset = 0; 1342 mix->reset_on_sleep = 1; 1343 1344 for (np = chip->node->child; np; np = np->sibling) { 1345 if (!strcmp(np->name, "sound")) { 1346 if (of_get_property(np, "has-anded-reset", NULL)) 1347 mix->anded_reset = 1; 1348 if (of_get_property(np, "layout-id", NULL)) 1349 mix->reset_on_sleep = 0; 1350 break; 1351 } 1352 } 1353 if ((err = tumbler_init(chip)) < 0) 1354 return err; 1355 1356 /* set up TAS */ 1357 tas_node = of_find_node_by_name(NULL, "deq"); 1358 if (tas_node == NULL) 1359 tas_node = of_find_node_by_name(NULL, "codec"); 1360 if (tas_node == NULL) 1361 return -ENODEV; 1362 1363 paddr = of_get_property(tas_node, "i2c-address", NULL); 1364 if (paddr == NULL) 1365 paddr = of_get_property(tas_node, "reg", NULL); 1366 if (paddr) 1367 mix->i2c.addr = (*paddr) >> 1; 1368 else 1369 mix->i2c.addr = TAS_I2C_ADDR; 1370 of_node_put(tas_node); 1371 1372 DBG("(I) TAS i2c address is: %x\n", mix->i2c.addr); 1373 1374 if (chip->model == PMAC_TUMBLER) { 1375 mix->i2c.init_client = tumbler_init_client; 1376 mix->i2c.name = "TAS3001c"; 1377 chipname = "Tumbler"; 1378 } else { 1379 mix->i2c.init_client = snapper_init_client; 1380 mix->i2c.name = "TAS3004"; 1381 chipname = "Snapper"; 1382 } 1383 1384 if ((err = snd_pmac_keywest_init(&mix->i2c)) < 0) 1385 return err; 1386 1387 /* 1388 * build mixers 1389 */ 1390 sprintf(chip->card->mixername, "PowerMac %s", chipname); 1391 1392 if (chip->model == PMAC_TUMBLER) { 1393 for (i = 0; i < ARRAY_SIZE(tumbler_mixers); i++) { 1394 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&tumbler_mixers[i], chip))) < 0) 1395 return err; 1396 } 1397 } else { 1398 for (i = 0; i < ARRAY_SIZE(snapper_mixers); i++) { 1399 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snapper_mixers[i], chip))) < 0) 1400 return err; 1401 } 1402 } 1403 chip->master_sw_ctl = snd_ctl_new1(&tumbler_hp_sw, chip); 1404 if ((err = snd_ctl_add(chip->card, chip->master_sw_ctl)) < 0) 1405 return err; 1406 chip->speaker_sw_ctl = snd_ctl_new1(&tumbler_speaker_sw, chip); 1407 if ((err = snd_ctl_add(chip->card, chip->speaker_sw_ctl)) < 0) 1408 return err; 1409 if (mix->line_mute.addr != 0) { 1410 chip->lineout_sw_ctl = snd_ctl_new1(&tumbler_lineout_sw, chip); 1411 if ((err = snd_ctl_add(chip->card, chip->lineout_sw_ctl)) < 0) 1412 return err; 1413 } 1414 chip->drc_sw_ctl = snd_ctl_new1(&tumbler_drc_sw, chip); 1415 if ((err = snd_ctl_add(chip->card, chip->drc_sw_ctl)) < 0) 1416 return err; 1417 1418 /* set initial DRC range to 60% */ 1419 if (chip->model == PMAC_TUMBLER) 1420 mix->drc_range = (TAS3001_DRC_MAX * 6) / 10; 1421 else 1422 mix->drc_range = (TAS3004_DRC_MAX * 6) / 10; 1423 mix->drc_enable = 1; /* will be changed later if AUTO_DRC is set */ 1424 if (chip->model == PMAC_TUMBLER) 1425 tumbler_set_drc(mix); 1426 else 1427 snapper_set_drc(mix); 1428 1429 #ifdef CONFIG_PM 1430 chip->suspend = tumbler_suspend; 1431 chip->resume = tumbler_resume; 1432 #endif 1433 1434 INIT_WORK(&device_change, device_change_handler); 1435 device_change_chip = chip; 1436 1437 #ifdef PMAC_SUPPORT_AUTOMUTE 1438 if ((mix->headphone_irq >=0 || mix->lineout_irq >= 0) 1439 && (err = snd_pmac_add_automute(chip)) < 0) 1440 return err; 1441 chip->detect_headphone = tumbler_detect_headphone; 1442 chip->update_automute = tumbler_update_automute; 1443 tumbler_update_automute(chip, 0); /* update the status only */ 1444 1445 /* activate headphone status interrupts */ 1446 if (mix->headphone_irq >= 0) { 1447 unsigned char val; 1448 if ((err = request_irq(mix->headphone_irq, headphone_intr, 0, 1449 "Sound Headphone Detection", chip)) < 0) 1450 return 0; 1451 /* activate headphone status interrupts */ 1452 val = do_gpio_read(&mix->hp_detect); 1453 do_gpio_write(&mix->hp_detect, val | 0x80); 1454 } 1455 if (mix->lineout_irq >= 0) { 1456 unsigned char val; 1457 if ((err = request_irq(mix->lineout_irq, headphone_intr, 0, 1458 "Sound Lineout Detection", chip)) < 0) 1459 return 0; 1460 /* activate headphone status interrupts */ 1461 val = do_gpio_read(&mix->line_detect); 1462 do_gpio_write(&mix->line_detect, val | 0x80); 1463 } 1464 #endif 1465 1466 return 0; 1467 } 1468