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 & 0xd) == (gp->active_val & 0xd); 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) & 0x02) !=0); 202 return ret == gp->active_state; 203 } 204 205 /* 206 * update master volume 207 */ 208 static int tumbler_set_master_volume(struct pmac_tumbler *mix) 209 { 210 unsigned char block[6]; 211 unsigned int left_vol, right_vol; 212 213 if (! mix->i2c.client) 214 return -ENODEV; 215 216 if (! mix->master_switch[0]) 217 left_vol = 0; 218 else { 219 left_vol = mix->master_vol[0]; 220 if (left_vol >= ARRAY_SIZE(master_volume_table)) 221 left_vol = ARRAY_SIZE(master_volume_table) - 1; 222 left_vol = master_volume_table[left_vol]; 223 } 224 if (! mix->master_switch[1]) 225 right_vol = 0; 226 else { 227 right_vol = mix->master_vol[1]; 228 if (right_vol >= ARRAY_SIZE(master_volume_table)) 229 right_vol = ARRAY_SIZE(master_volume_table) - 1; 230 right_vol = master_volume_table[right_vol]; 231 } 232 233 block[0] = (left_vol >> 16) & 0xff; 234 block[1] = (left_vol >> 8) & 0xff; 235 block[2] = (left_vol >> 0) & 0xff; 236 237 block[3] = (right_vol >> 16) & 0xff; 238 block[4] = (right_vol >> 8) & 0xff; 239 block[5] = (right_vol >> 0) & 0xff; 240 241 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_VOL, 6, 242 block) < 0) { 243 snd_printk("failed to set volume \n"); 244 return -EINVAL; 245 } 246 return 0; 247 } 248 249 250 /* output volume */ 251 static int tumbler_info_master_volume(struct snd_kcontrol *kcontrol, 252 struct snd_ctl_elem_info *uinfo) 253 { 254 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 255 uinfo->count = 2; 256 uinfo->value.integer.min = 0; 257 uinfo->value.integer.max = ARRAY_SIZE(master_volume_table) - 1; 258 return 0; 259 } 260 261 static int tumbler_get_master_volume(struct snd_kcontrol *kcontrol, 262 struct snd_ctl_elem_value *ucontrol) 263 { 264 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 265 struct pmac_tumbler *mix = chip->mixer_data; 266 snd_assert(mix, return -ENODEV); 267 ucontrol->value.integer.value[0] = mix->master_vol[0]; 268 ucontrol->value.integer.value[1] = mix->master_vol[1]; 269 return 0; 270 } 271 272 static int tumbler_put_master_volume(struct snd_kcontrol *kcontrol, 273 struct snd_ctl_elem_value *ucontrol) 274 { 275 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 276 struct pmac_tumbler *mix = chip->mixer_data; 277 int change; 278 279 snd_assert(mix, return -ENODEV); 280 change = mix->master_vol[0] != ucontrol->value.integer.value[0] || 281 mix->master_vol[1] != ucontrol->value.integer.value[1]; 282 if (change) { 283 mix->master_vol[0] = ucontrol->value.integer.value[0]; 284 mix->master_vol[1] = ucontrol->value.integer.value[1]; 285 tumbler_set_master_volume(mix); 286 } 287 return change; 288 } 289 290 /* output switch */ 291 static int tumbler_get_master_switch(struct snd_kcontrol *kcontrol, 292 struct snd_ctl_elem_value *ucontrol) 293 { 294 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 295 struct pmac_tumbler *mix = chip->mixer_data; 296 snd_assert(mix, return -ENODEV); 297 ucontrol->value.integer.value[0] = mix->master_switch[0]; 298 ucontrol->value.integer.value[1] = mix->master_switch[1]; 299 return 0; 300 } 301 302 static int tumbler_put_master_switch(struct snd_kcontrol *kcontrol, 303 struct snd_ctl_elem_value *ucontrol) 304 { 305 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 306 struct pmac_tumbler *mix = chip->mixer_data; 307 int change; 308 309 snd_assert(mix, return -ENODEV); 310 change = mix->master_switch[0] != ucontrol->value.integer.value[0] || 311 mix->master_switch[1] != ucontrol->value.integer.value[1]; 312 if (change) { 313 mix->master_switch[0] = !!ucontrol->value.integer.value[0]; 314 mix->master_switch[1] = !!ucontrol->value.integer.value[1]; 315 tumbler_set_master_volume(mix); 316 } 317 return change; 318 } 319 320 321 /* 322 * TAS3001c dynamic range compression 323 */ 324 325 #define TAS3001_DRC_MAX 0x5f 326 327 static int tumbler_set_drc(struct pmac_tumbler *mix) 328 { 329 unsigned char val[2]; 330 331 if (! mix->i2c.client) 332 return -ENODEV; 333 334 if (mix->drc_enable) { 335 val[0] = 0xc1; /* enable, 3:1 compression */ 336 if (mix->drc_range > TAS3001_DRC_MAX) 337 val[1] = 0xf0; 338 else if (mix->drc_range < 0) 339 val[1] = 0x91; 340 else 341 val[1] = mix->drc_range + 0x91; 342 } else { 343 val[0] = 0; 344 val[1] = 0; 345 } 346 347 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_DRC, 348 2, val) < 0) { 349 snd_printk("failed to set DRC\n"); 350 return -EINVAL; 351 } 352 return 0; 353 } 354 355 /* 356 * TAS3004 357 */ 358 359 #define TAS3004_DRC_MAX 0xef 360 361 static int snapper_set_drc(struct pmac_tumbler *mix) 362 { 363 unsigned char val[6]; 364 365 if (! mix->i2c.client) 366 return -ENODEV; 367 368 if (mix->drc_enable) 369 val[0] = 0x50; /* 3:1 above threshold */ 370 else 371 val[0] = 0x51; /* disabled */ 372 val[1] = 0x02; /* 1:1 below threshold */ 373 if (mix->drc_range > 0xef) 374 val[2] = 0xef; 375 else if (mix->drc_range < 0) 376 val[2] = 0x00; 377 else 378 val[2] = mix->drc_range; 379 val[3] = 0xb0; 380 val[4] = 0x60; 381 val[5] = 0xa0; 382 383 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_DRC, 384 6, val) < 0) { 385 snd_printk("failed to set DRC\n"); 386 return -EINVAL; 387 } 388 return 0; 389 } 390 391 static int tumbler_info_drc_value(struct snd_kcontrol *kcontrol, 392 struct snd_ctl_elem_info *uinfo) 393 { 394 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 395 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 396 uinfo->count = 1; 397 uinfo->value.integer.min = 0; 398 uinfo->value.integer.max = 399 chip->model == PMAC_TUMBLER ? TAS3001_DRC_MAX : TAS3004_DRC_MAX; 400 return 0; 401 } 402 403 static int tumbler_get_drc_value(struct snd_kcontrol *kcontrol, 404 struct snd_ctl_elem_value *ucontrol) 405 { 406 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 407 struct pmac_tumbler *mix; 408 if (! (mix = chip->mixer_data)) 409 return -ENODEV; 410 ucontrol->value.integer.value[0] = mix->drc_range; 411 return 0; 412 } 413 414 static int tumbler_put_drc_value(struct snd_kcontrol *kcontrol, 415 struct snd_ctl_elem_value *ucontrol) 416 { 417 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 418 struct pmac_tumbler *mix; 419 int change; 420 421 if (! (mix = chip->mixer_data)) 422 return -ENODEV; 423 change = mix->drc_range != ucontrol->value.integer.value[0]; 424 if (change) { 425 mix->drc_range = ucontrol->value.integer.value[0]; 426 if (chip->model == PMAC_TUMBLER) 427 tumbler_set_drc(mix); 428 else 429 snapper_set_drc(mix); 430 } 431 return change; 432 } 433 434 static int tumbler_get_drc_switch(struct snd_kcontrol *kcontrol, 435 struct snd_ctl_elem_value *ucontrol) 436 { 437 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 438 struct pmac_tumbler *mix; 439 if (! (mix = chip->mixer_data)) 440 return -ENODEV; 441 ucontrol->value.integer.value[0] = mix->drc_enable; 442 return 0; 443 } 444 445 static int tumbler_put_drc_switch(struct snd_kcontrol *kcontrol, 446 struct snd_ctl_elem_value *ucontrol) 447 { 448 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 449 struct pmac_tumbler *mix; 450 int change; 451 452 if (! (mix = chip->mixer_data)) 453 return -ENODEV; 454 change = mix->drc_enable != ucontrol->value.integer.value[0]; 455 if (change) { 456 mix->drc_enable = !!ucontrol->value.integer.value[0]; 457 if (chip->model == PMAC_TUMBLER) 458 tumbler_set_drc(mix); 459 else 460 snapper_set_drc(mix); 461 } 462 return change; 463 } 464 465 466 /* 467 * mono volumes 468 */ 469 470 struct tumbler_mono_vol { 471 int index; 472 int reg; 473 int bytes; 474 unsigned int max; 475 unsigned int *table; 476 }; 477 478 static int tumbler_set_mono_volume(struct pmac_tumbler *mix, 479 struct tumbler_mono_vol *info) 480 { 481 unsigned char block[4]; 482 unsigned int vol; 483 int i; 484 485 if (! mix->i2c.client) 486 return -ENODEV; 487 488 vol = mix->mono_vol[info->index]; 489 if (vol >= info->max) 490 vol = info->max - 1; 491 vol = info->table[vol]; 492 for (i = 0; i < info->bytes; i++) 493 block[i] = (vol >> ((info->bytes - i - 1) * 8)) & 0xff; 494 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, info->reg, 495 info->bytes, block) < 0) { 496 snd_printk("failed to set mono volume %d\n", info->index); 497 return -EINVAL; 498 } 499 return 0; 500 } 501 502 static int tumbler_info_mono(struct snd_kcontrol *kcontrol, 503 struct snd_ctl_elem_info *uinfo) 504 { 505 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value; 506 507 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 508 uinfo->count = 1; 509 uinfo->value.integer.min = 0; 510 uinfo->value.integer.max = info->max - 1; 511 return 0; 512 } 513 514 static int tumbler_get_mono(struct snd_kcontrol *kcontrol, 515 struct snd_ctl_elem_value *ucontrol) 516 { 517 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value; 518 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 519 struct pmac_tumbler *mix; 520 if (! (mix = chip->mixer_data)) 521 return -ENODEV; 522 ucontrol->value.integer.value[0] = mix->mono_vol[info->index]; 523 return 0; 524 } 525 526 static int tumbler_put_mono(struct snd_kcontrol *kcontrol, 527 struct snd_ctl_elem_value *ucontrol) 528 { 529 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value; 530 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 531 struct pmac_tumbler *mix; 532 int change; 533 534 if (! (mix = chip->mixer_data)) 535 return -ENODEV; 536 change = mix->mono_vol[info->index] != ucontrol->value.integer.value[0]; 537 if (change) { 538 mix->mono_vol[info->index] = ucontrol->value.integer.value[0]; 539 tumbler_set_mono_volume(mix, info); 540 } 541 return change; 542 } 543 544 /* TAS3001c mono volumes */ 545 static struct tumbler_mono_vol tumbler_pcm_vol_info = { 546 .index = VOL_IDX_PCM_MONO, 547 .reg = TAS_REG_PCM, 548 .bytes = 3, 549 .max = ARRAY_SIZE(mixer_volume_table), 550 .table = mixer_volume_table, 551 }; 552 553 static struct tumbler_mono_vol tumbler_bass_vol_info = { 554 .index = VOL_IDX_BASS, 555 .reg = TAS_REG_BASS, 556 .bytes = 1, 557 .max = ARRAY_SIZE(bass_volume_table), 558 .table = bass_volume_table, 559 }; 560 561 static struct tumbler_mono_vol tumbler_treble_vol_info = { 562 .index = VOL_IDX_TREBLE, 563 .reg = TAS_REG_TREBLE, 564 .bytes = 1, 565 .max = ARRAY_SIZE(treble_volume_table), 566 .table = treble_volume_table, 567 }; 568 569 /* TAS3004 mono volumes */ 570 static struct tumbler_mono_vol snapper_bass_vol_info = { 571 .index = VOL_IDX_BASS, 572 .reg = TAS_REG_BASS, 573 .bytes = 1, 574 .max = ARRAY_SIZE(snapper_bass_volume_table), 575 .table = snapper_bass_volume_table, 576 }; 577 578 static struct tumbler_mono_vol snapper_treble_vol_info = { 579 .index = VOL_IDX_TREBLE, 580 .reg = TAS_REG_TREBLE, 581 .bytes = 1, 582 .max = ARRAY_SIZE(snapper_treble_volume_table), 583 .table = snapper_treble_volume_table, 584 }; 585 586 587 #define DEFINE_MONO(xname,type) { \ 588 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\ 589 .name = xname, \ 590 .info = tumbler_info_mono, \ 591 .get = tumbler_get_mono, \ 592 .put = tumbler_put_mono, \ 593 .private_value = (unsigned long)(&tumbler_##type##_vol_info), \ 594 } 595 596 #define DEFINE_SNAPPER_MONO(xname,type) { \ 597 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\ 598 .name = xname, \ 599 .info = tumbler_info_mono, \ 600 .get = tumbler_get_mono, \ 601 .put = tumbler_put_mono, \ 602 .private_value = (unsigned long)(&snapper_##type##_vol_info), \ 603 } 604 605 606 /* 607 * snapper mixer volumes 608 */ 609 610 static int snapper_set_mix_vol1(struct pmac_tumbler *mix, int idx, int ch, int reg) 611 { 612 int i, j, vol; 613 unsigned char block[9]; 614 615 vol = mix->mix_vol[idx][ch]; 616 if (vol >= ARRAY_SIZE(mixer_volume_table)) { 617 vol = ARRAY_SIZE(mixer_volume_table) - 1; 618 mix->mix_vol[idx][ch] = vol; 619 } 620 621 for (i = 0; i < 3; i++) { 622 vol = mix->mix_vol[i][ch]; 623 vol = mixer_volume_table[vol]; 624 for (j = 0; j < 3; j++) 625 block[i * 3 + j] = (vol >> ((2 - j) * 8)) & 0xff; 626 } 627 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, reg, 628 9, block) < 0) { 629 snd_printk("failed to set mono volume %d\n", reg); 630 return -EINVAL; 631 } 632 return 0; 633 } 634 635 static int snapper_set_mix_vol(struct pmac_tumbler *mix, int idx) 636 { 637 if (! mix->i2c.client) 638 return -ENODEV; 639 if (snapper_set_mix_vol1(mix, idx, 0, TAS_REG_LMIX) < 0 || 640 snapper_set_mix_vol1(mix, idx, 1, TAS_REG_RMIX) < 0) 641 return -EINVAL; 642 return 0; 643 } 644 645 static int snapper_info_mix(struct snd_kcontrol *kcontrol, 646 struct snd_ctl_elem_info *uinfo) 647 { 648 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 649 uinfo->count = 2; 650 uinfo->value.integer.min = 0; 651 uinfo->value.integer.max = ARRAY_SIZE(mixer_volume_table) - 1; 652 return 0; 653 } 654 655 static int snapper_get_mix(struct snd_kcontrol *kcontrol, 656 struct snd_ctl_elem_value *ucontrol) 657 { 658 int idx = (int)kcontrol->private_value; 659 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 660 struct pmac_tumbler *mix; 661 if (! (mix = chip->mixer_data)) 662 return -ENODEV; 663 ucontrol->value.integer.value[0] = mix->mix_vol[idx][0]; 664 ucontrol->value.integer.value[1] = mix->mix_vol[idx][1]; 665 return 0; 666 } 667 668 static int snapper_put_mix(struct snd_kcontrol *kcontrol, 669 struct snd_ctl_elem_value *ucontrol) 670 { 671 int idx = (int)kcontrol->private_value; 672 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 673 struct pmac_tumbler *mix; 674 int change; 675 676 if (! (mix = chip->mixer_data)) 677 return -ENODEV; 678 change = mix->mix_vol[idx][0] != ucontrol->value.integer.value[0] || 679 mix->mix_vol[idx][1] != ucontrol->value.integer.value[1]; 680 if (change) { 681 mix->mix_vol[idx][0] = ucontrol->value.integer.value[0]; 682 mix->mix_vol[idx][1] = ucontrol->value.integer.value[1]; 683 snapper_set_mix_vol(mix, idx); 684 } 685 return change; 686 } 687 688 689 /* 690 * mute switches. FIXME: Turn that into software mute when both outputs are muted 691 * to avoid codec reset on ibook M7 692 */ 693 694 enum { TUMBLER_MUTE_HP, TUMBLER_MUTE_AMP, TUMBLER_MUTE_LINE }; 695 696 static int tumbler_get_mute_switch(struct snd_kcontrol *kcontrol, 697 struct snd_ctl_elem_value *ucontrol) 698 { 699 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 700 struct pmac_tumbler *mix; 701 struct pmac_gpio *gp; 702 if (! (mix = chip->mixer_data)) 703 return -ENODEV; 704 switch(kcontrol->private_value) { 705 case TUMBLER_MUTE_HP: 706 gp = &mix->hp_mute; break; 707 case TUMBLER_MUTE_AMP: 708 gp = &mix->amp_mute; break; 709 case TUMBLER_MUTE_LINE: 710 gp = &mix->line_mute; break; 711 default: 712 gp = NULL; 713 } 714 if (gp == NULL) 715 return -EINVAL; 716 ucontrol->value.integer.value[0] = !check_audio_gpio(gp); 717 return 0; 718 } 719 720 static int tumbler_put_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 int val; 727 #ifdef PMAC_SUPPORT_AUTOMUTE 728 if (chip->update_automute && chip->auto_mute) 729 return 0; /* don't touch in the auto-mute mode */ 730 #endif 731 if (! (mix = chip->mixer_data)) 732 return -ENODEV; 733 switch(kcontrol->private_value) { 734 case TUMBLER_MUTE_HP: 735 gp = &mix->hp_mute; break; 736 case TUMBLER_MUTE_AMP: 737 gp = &mix->amp_mute; break; 738 case TUMBLER_MUTE_LINE: 739 gp = &mix->line_mute; break; 740 default: 741 gp = NULL; 742 } 743 if (gp == NULL) 744 return -EINVAL; 745 val = ! check_audio_gpio(gp); 746 if (val != ucontrol->value.integer.value[0]) { 747 write_audio_gpio(gp, ! ucontrol->value.integer.value[0]); 748 return 1; 749 } 750 return 0; 751 } 752 753 static int snapper_set_capture_source(struct pmac_tumbler *mix) 754 { 755 if (! mix->i2c.client) 756 return -ENODEV; 757 if (mix->capture_source) 758 mix->acs = mix->acs |= 2; 759 else 760 mix->acs &= ~2; 761 return i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs); 762 } 763 764 static int snapper_info_capture_source(struct snd_kcontrol *kcontrol, 765 struct snd_ctl_elem_info *uinfo) 766 { 767 static char *texts[2] = { 768 "Line", "Mic" 769 }; 770 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 771 uinfo->count = 1; 772 uinfo->value.enumerated.items = 2; 773 if (uinfo->value.enumerated.item > 1) 774 uinfo->value.enumerated.item = 1; 775 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]); 776 return 0; 777 } 778 779 static int snapper_get_capture_source(struct snd_kcontrol *kcontrol, 780 struct snd_ctl_elem_value *ucontrol) 781 { 782 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 783 struct pmac_tumbler *mix = chip->mixer_data; 784 785 snd_assert(mix, return -ENODEV); 786 ucontrol->value.integer.value[0] = mix->capture_source; 787 return 0; 788 } 789 790 static int snapper_put_capture_source(struct snd_kcontrol *kcontrol, 791 struct snd_ctl_elem_value *ucontrol) 792 { 793 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 794 struct pmac_tumbler *mix = chip->mixer_data; 795 int change; 796 797 snd_assert(mix, return -ENODEV); 798 change = ucontrol->value.integer.value[0] != mix->capture_source; 799 if (change) { 800 mix->capture_source = !!ucontrol->value.integer.value[0]; 801 snapper_set_capture_source(mix); 802 } 803 return change; 804 } 805 806 #define DEFINE_SNAPPER_MIX(xname,idx,ofs) { \ 807 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\ 808 .name = xname, \ 809 .info = snapper_info_mix, \ 810 .get = snapper_get_mix, \ 811 .put = snapper_put_mix, \ 812 .index = idx,\ 813 .private_value = ofs, \ 814 } 815 816 817 /* 818 */ 819 static struct snd_kcontrol_new tumbler_mixers[] __initdata = { 820 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 821 .name = "Master Playback Volume", 822 .info = tumbler_info_master_volume, 823 .get = tumbler_get_master_volume, 824 .put = tumbler_put_master_volume 825 }, 826 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 827 .name = "Master Playback Switch", 828 .info = snd_pmac_boolean_stereo_info, 829 .get = tumbler_get_master_switch, 830 .put = tumbler_put_master_switch 831 }, 832 DEFINE_MONO("Tone Control - Bass", bass), 833 DEFINE_MONO("Tone Control - Treble", treble), 834 DEFINE_MONO("PCM Playback Volume", pcm), 835 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 836 .name = "DRC Range", 837 .info = tumbler_info_drc_value, 838 .get = tumbler_get_drc_value, 839 .put = tumbler_put_drc_value 840 }, 841 }; 842 843 static struct snd_kcontrol_new snapper_mixers[] __initdata = { 844 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 845 .name = "Master Playback Volume", 846 .info = tumbler_info_master_volume, 847 .get = tumbler_get_master_volume, 848 .put = tumbler_put_master_volume 849 }, 850 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 851 .name = "Master Playback Switch", 852 .info = snd_pmac_boolean_stereo_info, 853 .get = tumbler_get_master_switch, 854 .put = tumbler_put_master_switch 855 }, 856 DEFINE_SNAPPER_MIX("PCM Playback Volume", 0, VOL_IDX_PCM), 857 DEFINE_SNAPPER_MIX("PCM Playback Volume", 1, VOL_IDX_PCM2), 858 DEFINE_SNAPPER_MIX("Monitor Mix Volume", 0, VOL_IDX_ADC), 859 DEFINE_SNAPPER_MONO("Tone Control - Bass", bass), 860 DEFINE_SNAPPER_MONO("Tone Control - Treble", treble), 861 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 862 .name = "DRC Range", 863 .info = tumbler_info_drc_value, 864 .get = tumbler_get_drc_value, 865 .put = tumbler_put_drc_value 866 }, 867 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 868 .name = "Input Source", /* FIXME: "Capture Source" doesn't work properly */ 869 .info = snapper_info_capture_source, 870 .get = snapper_get_capture_source, 871 .put = snapper_put_capture_source 872 }, 873 }; 874 875 static struct snd_kcontrol_new tumbler_hp_sw __initdata = { 876 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 877 .name = "Headphone Playback Switch", 878 .info = snd_pmac_boolean_mono_info, 879 .get = tumbler_get_mute_switch, 880 .put = tumbler_put_mute_switch, 881 .private_value = TUMBLER_MUTE_HP, 882 }; 883 static struct snd_kcontrol_new tumbler_speaker_sw __initdata = { 884 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 885 .name = "PC Speaker Playback Switch", 886 .info = snd_pmac_boolean_mono_info, 887 .get = tumbler_get_mute_switch, 888 .put = tumbler_put_mute_switch, 889 .private_value = TUMBLER_MUTE_AMP, 890 }; 891 static struct snd_kcontrol_new tumbler_lineout_sw __initdata = { 892 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 893 .name = "Line Out Playback Switch", 894 .info = snd_pmac_boolean_mono_info, 895 .get = tumbler_get_mute_switch, 896 .put = tumbler_put_mute_switch, 897 .private_value = TUMBLER_MUTE_LINE, 898 }; 899 static struct snd_kcontrol_new tumbler_drc_sw __initdata = { 900 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 901 .name = "DRC Switch", 902 .info = snd_pmac_boolean_mono_info, 903 .get = tumbler_get_drc_switch, 904 .put = tumbler_put_drc_switch 905 }; 906 907 908 #ifdef PMAC_SUPPORT_AUTOMUTE 909 /* 910 * auto-mute stuffs 911 */ 912 static int tumbler_detect_headphone(struct snd_pmac *chip) 913 { 914 struct pmac_tumbler *mix = chip->mixer_data; 915 int detect = 0; 916 917 if (mix->hp_detect.addr) 918 detect |= read_audio_gpio(&mix->hp_detect); 919 return detect; 920 } 921 922 static int tumbler_detect_lineout(struct snd_pmac *chip) 923 { 924 struct pmac_tumbler *mix = chip->mixer_data; 925 int detect = 0; 926 927 if (mix->line_detect.addr) 928 detect |= read_audio_gpio(&mix->line_detect); 929 return detect; 930 } 931 932 static void check_mute(struct snd_pmac *chip, struct pmac_gpio *gp, int val, int do_notify, 933 struct snd_kcontrol *sw) 934 { 935 if (check_audio_gpio(gp) != val) { 936 write_audio_gpio(gp, val); 937 if (do_notify) 938 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, 939 &sw->id); 940 } 941 } 942 943 static struct work_struct device_change; 944 945 static void device_change_handler(void *self) 946 { 947 struct snd_pmac *chip = self; 948 struct pmac_tumbler *mix; 949 int headphone, lineout; 950 951 if (!chip) 952 return; 953 954 mix = chip->mixer_data; 955 snd_assert(mix, return); 956 957 headphone = tumbler_detect_headphone(chip); 958 lineout = tumbler_detect_lineout(chip); 959 960 DBG("headphone: %d, lineout: %d\n", headphone, lineout); 961 962 if (headphone || lineout) { 963 /* unmute headphone/lineout & mute speaker */ 964 if (headphone) 965 check_mute(chip, &mix->hp_mute, 0, mix->auto_mute_notify, 966 chip->master_sw_ctl); 967 if (lineout && mix->line_mute.addr != 0) 968 check_mute(chip, &mix->line_mute, 0, mix->auto_mute_notify, 969 chip->lineout_sw_ctl); 970 if (mix->anded_reset) 971 msleep(10); 972 check_mute(chip, &mix->amp_mute, 1, mix->auto_mute_notify, 973 chip->speaker_sw_ctl); 974 } else { 975 /* unmute speaker, mute others */ 976 check_mute(chip, &mix->amp_mute, 0, mix->auto_mute_notify, 977 chip->speaker_sw_ctl); 978 if (mix->anded_reset) 979 msleep(10); 980 check_mute(chip, &mix->hp_mute, 1, mix->auto_mute_notify, 981 chip->master_sw_ctl); 982 if (mix->line_mute.addr != 0) 983 check_mute(chip, &mix->line_mute, 1, mix->auto_mute_notify, 984 chip->lineout_sw_ctl); 985 } 986 if (mix->auto_mute_notify) 987 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, 988 &chip->hp_detect_ctl->id); 989 990 #ifdef CONFIG_SND_POWERMAC_AUTO_DRC 991 mix->drc_enable = ! (headphone || lineout); 992 if (mix->auto_mute_notify) 993 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, 994 &chip->drc_sw_ctl->id); 995 if (chip->model == PMAC_TUMBLER) 996 tumbler_set_drc(mix); 997 else 998 snapper_set_drc(mix); 999 #endif 1000 1001 /* reset the master volume so the correct amplification is applied */ 1002 tumbler_set_master_volume(mix); 1003 } 1004 1005 static void tumbler_update_automute(struct snd_pmac *chip, int do_notify) 1006 { 1007 if (chip->auto_mute) { 1008 struct pmac_tumbler *mix; 1009 mix = chip->mixer_data; 1010 snd_assert(mix, return); 1011 mix->auto_mute_notify = do_notify; 1012 schedule_work(&device_change); 1013 } 1014 } 1015 #endif /* PMAC_SUPPORT_AUTOMUTE */ 1016 1017 1018 /* interrupt - headphone plug changed */ 1019 static irqreturn_t headphone_intr(int irq, void *devid, struct pt_regs *regs) 1020 { 1021 struct snd_pmac *chip = devid; 1022 if (chip->update_automute && chip->initialized) { 1023 chip->update_automute(chip, 1); 1024 return IRQ_HANDLED; 1025 } 1026 return IRQ_NONE; 1027 } 1028 1029 /* look for audio-gpio device */ 1030 static struct device_node *find_audio_device(const char *name) 1031 { 1032 struct device_node *np; 1033 1034 if (! (np = find_devices("gpio"))) 1035 return NULL; 1036 1037 for (np = np->child; np; np = np->sibling) { 1038 const char *property = get_property(np, "audio-gpio", NULL); 1039 if (property && strcmp(property, name) == 0) 1040 return np; 1041 } 1042 return NULL; 1043 } 1044 1045 /* look for audio-gpio device */ 1046 static struct device_node *find_compatible_audio_device(const char *name) 1047 { 1048 struct device_node *np; 1049 1050 if (! (np = find_devices("gpio"))) 1051 return NULL; 1052 1053 for (np = np->child; np; np = np->sibling) { 1054 if (device_is_compatible(np, name)) 1055 return np; 1056 } 1057 return NULL; 1058 } 1059 1060 /* find an audio device and get its address */ 1061 static long tumbler_find_device(const char *device, const char *platform, 1062 struct pmac_gpio *gp, int is_compatible) 1063 { 1064 struct device_node *node; 1065 const u32 *base; 1066 u32 addr; 1067 1068 if (is_compatible) 1069 node = find_compatible_audio_device(device); 1070 else 1071 node = find_audio_device(device); 1072 if (! node) { 1073 DBG("(W) cannot find audio device %s !\n", device); 1074 snd_printdd("cannot find device %s\n", device); 1075 return -ENODEV; 1076 } 1077 1078 base = get_property(node, "AAPL,address", NULL); 1079 if (! base) { 1080 base = get_property(node, "reg", NULL); 1081 if (!base) { 1082 DBG("(E) cannot find address for device %s !\n", device); 1083 snd_printd("cannot find address for device %s\n", device); 1084 return -ENODEV; 1085 } 1086 addr = *base; 1087 if (addr < 0x50) 1088 addr += 0x50; 1089 } else 1090 addr = *base; 1091 1092 gp->addr = addr & 0x0000ffff; 1093 /* Try to find the active state, default to 0 ! */ 1094 base = get_property(node, "audio-gpio-active-state", NULL); 1095 if (base) { 1096 gp->active_state = *base; 1097 gp->active_val = (*base) ? 0x5 : 0x4; 1098 gp->inactive_val = (*base) ? 0x4 : 0x5; 1099 } else { 1100 const u32 *prop = NULL; 1101 gp->active_state = 0; 1102 gp->active_val = 0x4; 1103 gp->inactive_val = 0x5; 1104 /* Here are some crude hacks to extract the GPIO polarity and 1105 * open collector informations out of the do-platform script 1106 * as we don't yet have an interpreter for these things 1107 */ 1108 if (platform) 1109 prop = get_property(node, platform, NULL); 1110 if (prop) { 1111 if (prop[3] == 0x9 && prop[4] == 0x9) { 1112 gp->active_val = 0xd; 1113 gp->inactive_val = 0xc; 1114 } 1115 if (prop[3] == 0x1 && prop[4] == 0x1) { 1116 gp->active_val = 0x5; 1117 gp->inactive_val = 0x4; 1118 } 1119 } 1120 } 1121 1122 DBG("(I) GPIO device %s found, offset: %x, active state: %d !\n", 1123 device, gp->addr, gp->active_state); 1124 1125 return irq_of_parse_and_map(node, 0); 1126 } 1127 1128 /* reset audio */ 1129 static void tumbler_reset_audio(struct snd_pmac *chip) 1130 { 1131 struct pmac_tumbler *mix = chip->mixer_data; 1132 1133 if (mix->anded_reset) { 1134 DBG("(I) codec anded reset !\n"); 1135 write_audio_gpio(&mix->hp_mute, 0); 1136 write_audio_gpio(&mix->amp_mute, 0); 1137 msleep(200); 1138 write_audio_gpio(&mix->hp_mute, 1); 1139 write_audio_gpio(&mix->amp_mute, 1); 1140 msleep(100); 1141 write_audio_gpio(&mix->hp_mute, 0); 1142 write_audio_gpio(&mix->amp_mute, 0); 1143 msleep(100); 1144 } else { 1145 DBG("(I) codec normal reset !\n"); 1146 1147 write_audio_gpio(&mix->audio_reset, 0); 1148 msleep(200); 1149 write_audio_gpio(&mix->audio_reset, 1); 1150 msleep(100); 1151 write_audio_gpio(&mix->audio_reset, 0); 1152 msleep(100); 1153 } 1154 } 1155 1156 #ifdef CONFIG_PM 1157 /* suspend mixer */ 1158 static void tumbler_suspend(struct snd_pmac *chip) 1159 { 1160 struct pmac_tumbler *mix = chip->mixer_data; 1161 1162 if (mix->headphone_irq >= 0) 1163 disable_irq(mix->headphone_irq); 1164 if (mix->lineout_irq >= 0) 1165 disable_irq(mix->lineout_irq); 1166 mix->save_master_switch[0] = mix->master_switch[0]; 1167 mix->save_master_switch[1] = mix->master_switch[1]; 1168 mix->save_master_vol[0] = mix->master_vol[0]; 1169 mix->save_master_vol[1] = mix->master_vol[1]; 1170 mix->master_switch[0] = mix->master_switch[1] = 0; 1171 tumbler_set_master_volume(mix); 1172 if (!mix->anded_reset) { 1173 write_audio_gpio(&mix->amp_mute, 1); 1174 write_audio_gpio(&mix->hp_mute, 1); 1175 } 1176 if (chip->model == PMAC_SNAPPER) { 1177 mix->acs |= 1; 1178 i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs); 1179 } 1180 if (mix->anded_reset) { 1181 write_audio_gpio(&mix->amp_mute, 1); 1182 write_audio_gpio(&mix->hp_mute, 1); 1183 } else 1184 write_audio_gpio(&mix->audio_reset, 1); 1185 } 1186 1187 /* resume mixer */ 1188 static void tumbler_resume(struct snd_pmac *chip) 1189 { 1190 struct pmac_tumbler *mix = chip->mixer_data; 1191 1192 snd_assert(mix, return); 1193 1194 mix->acs &= ~1; 1195 mix->master_switch[0] = mix->save_master_switch[0]; 1196 mix->master_switch[1] = mix->save_master_switch[1]; 1197 mix->master_vol[0] = mix->save_master_vol[0]; 1198 mix->master_vol[1] = mix->save_master_vol[1]; 1199 tumbler_reset_audio(chip); 1200 if (mix->i2c.client && mix->i2c.init_client) { 1201 if (mix->i2c.init_client(&mix->i2c) < 0) 1202 printk(KERN_ERR "tumbler_init_client error\n"); 1203 } else 1204 printk(KERN_ERR "tumbler: i2c is not initialized\n"); 1205 if (chip->model == PMAC_TUMBLER) { 1206 tumbler_set_mono_volume(mix, &tumbler_pcm_vol_info); 1207 tumbler_set_mono_volume(mix, &tumbler_bass_vol_info); 1208 tumbler_set_mono_volume(mix, &tumbler_treble_vol_info); 1209 tumbler_set_drc(mix); 1210 } else { 1211 snapper_set_mix_vol(mix, VOL_IDX_PCM); 1212 snapper_set_mix_vol(mix, VOL_IDX_PCM2); 1213 snapper_set_mix_vol(mix, VOL_IDX_ADC); 1214 tumbler_set_mono_volume(mix, &snapper_bass_vol_info); 1215 tumbler_set_mono_volume(mix, &snapper_treble_vol_info); 1216 snapper_set_drc(mix); 1217 snapper_set_capture_source(mix); 1218 } 1219 tumbler_set_master_volume(mix); 1220 if (chip->update_automute) 1221 chip->update_automute(chip, 0); 1222 if (mix->headphone_irq >= 0) { 1223 unsigned char val; 1224 1225 enable_irq(mix->headphone_irq); 1226 /* activate headphone status interrupts */ 1227 val = do_gpio_read(&mix->hp_detect); 1228 do_gpio_write(&mix->hp_detect, val | 0x80); 1229 } 1230 if (mix->lineout_irq >= 0) 1231 enable_irq(mix->lineout_irq); 1232 } 1233 #endif 1234 1235 /* initialize tumbler */ 1236 static int __init tumbler_init(struct snd_pmac *chip) 1237 { 1238 int irq; 1239 struct pmac_tumbler *mix = chip->mixer_data; 1240 snd_assert(mix, return -EINVAL); 1241 1242 if (tumbler_find_device("audio-hw-reset", 1243 "platform-do-hw-reset", 1244 &mix->audio_reset, 0) < 0) 1245 tumbler_find_device("hw-reset", 1246 "platform-do-hw-reset", 1247 &mix->audio_reset, 1); 1248 if (tumbler_find_device("amp-mute", 1249 "platform-do-amp-mute", 1250 &mix->amp_mute, 0) < 0) 1251 tumbler_find_device("amp-mute", 1252 "platform-do-amp-mute", 1253 &mix->amp_mute, 1); 1254 if (tumbler_find_device("headphone-mute", 1255 "platform-do-headphone-mute", 1256 &mix->hp_mute, 0) < 0) 1257 tumbler_find_device("headphone-mute", 1258 "platform-do-headphone-mute", 1259 &mix->hp_mute, 1); 1260 if (tumbler_find_device("line-output-mute", 1261 "platform-do-lineout-mute", 1262 &mix->line_mute, 0) < 0) 1263 tumbler_find_device("line-output-mute", 1264 "platform-do-lineout-mute", 1265 &mix->line_mute, 1); 1266 irq = tumbler_find_device("headphone-detect", 1267 NULL, &mix->hp_detect, 0); 1268 if (irq <= NO_IRQ) 1269 irq = tumbler_find_device("headphone-detect", 1270 NULL, &mix->hp_detect, 1); 1271 if (irq <= NO_IRQ) 1272 irq = tumbler_find_device("keywest-gpio15", 1273 NULL, &mix->hp_detect, 1); 1274 mix->headphone_irq = irq; 1275 irq = tumbler_find_device("line-output-detect", 1276 NULL, &mix->line_detect, 0); 1277 if (irq <= NO_IRQ) 1278 irq = tumbler_find_device("line-output-detect", 1279 NULL, &mix->line_detect, 1); 1280 mix->lineout_irq = irq; 1281 1282 tumbler_reset_audio(chip); 1283 1284 return 0; 1285 } 1286 1287 static void tumbler_cleanup(struct snd_pmac *chip) 1288 { 1289 struct pmac_tumbler *mix = chip->mixer_data; 1290 if (! mix) 1291 return; 1292 1293 if (mix->headphone_irq >= 0) 1294 free_irq(mix->headphone_irq, chip); 1295 if (mix->lineout_irq >= 0) 1296 free_irq(mix->lineout_irq, chip); 1297 tumbler_gpio_free(&mix->audio_reset); 1298 tumbler_gpio_free(&mix->amp_mute); 1299 tumbler_gpio_free(&mix->hp_mute); 1300 tumbler_gpio_free(&mix->hp_detect); 1301 snd_pmac_keywest_cleanup(&mix->i2c); 1302 kfree(mix); 1303 chip->mixer_data = NULL; 1304 } 1305 1306 /* exported */ 1307 int __init snd_pmac_tumbler_init(struct snd_pmac *chip) 1308 { 1309 int i, err; 1310 struct pmac_tumbler *mix; 1311 u32 *paddr; 1312 struct device_node *tas_node, *np; 1313 char *chipname; 1314 1315 #ifdef CONFIG_KMOD 1316 if (current->fs->root) 1317 request_module("i2c-powermac"); 1318 #endif /* CONFIG_KMOD */ 1319 1320 mix = kzalloc(sizeof(*mix), GFP_KERNEL); 1321 if (! mix) 1322 return -ENOMEM; 1323 mix->headphone_irq = -1; 1324 1325 chip->mixer_data = mix; 1326 chip->mixer_free = tumbler_cleanup; 1327 mix->anded_reset = 0; 1328 mix->reset_on_sleep = 1; 1329 1330 for (np = chip->node->child; np; np = np->sibling) { 1331 if (!strcmp(np->name, "sound")) { 1332 if (get_property(np, "has-anded-reset", NULL)) 1333 mix->anded_reset = 1; 1334 if (get_property(np, "layout-id", NULL)) 1335 mix->reset_on_sleep = 0; 1336 break; 1337 } 1338 } 1339 if ((err = tumbler_init(chip)) < 0) 1340 return err; 1341 1342 /* set up TAS */ 1343 tas_node = find_devices("deq"); 1344 if (tas_node == NULL) 1345 tas_node = find_devices("codec"); 1346 if (tas_node == NULL) 1347 return -ENODEV; 1348 1349 paddr = (u32 *)get_property(tas_node, "i2c-address", NULL); 1350 if (paddr == NULL) 1351 paddr = (u32 *)get_property(tas_node, "reg", NULL); 1352 if (paddr) 1353 mix->i2c.addr = (*paddr) >> 1; 1354 else 1355 mix->i2c.addr = TAS_I2C_ADDR; 1356 1357 DBG("(I) TAS i2c address is: %x\n", mix->i2c.addr); 1358 1359 if (chip->model == PMAC_TUMBLER) { 1360 mix->i2c.init_client = tumbler_init_client; 1361 mix->i2c.name = "TAS3001c"; 1362 chipname = "Tumbler"; 1363 } else { 1364 mix->i2c.init_client = snapper_init_client; 1365 mix->i2c.name = "TAS3004"; 1366 chipname = "Snapper"; 1367 } 1368 1369 if ((err = snd_pmac_keywest_init(&mix->i2c)) < 0) 1370 return err; 1371 1372 /* 1373 * build mixers 1374 */ 1375 sprintf(chip->card->mixername, "PowerMac %s", chipname); 1376 1377 if (chip->model == PMAC_TUMBLER) { 1378 for (i = 0; i < ARRAY_SIZE(tumbler_mixers); i++) { 1379 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&tumbler_mixers[i], chip))) < 0) 1380 return err; 1381 } 1382 } else { 1383 for (i = 0; i < ARRAY_SIZE(snapper_mixers); i++) { 1384 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snapper_mixers[i], chip))) < 0) 1385 return err; 1386 } 1387 } 1388 chip->master_sw_ctl = snd_ctl_new1(&tumbler_hp_sw, chip); 1389 if ((err = snd_ctl_add(chip->card, chip->master_sw_ctl)) < 0) 1390 return err; 1391 chip->speaker_sw_ctl = snd_ctl_new1(&tumbler_speaker_sw, chip); 1392 if ((err = snd_ctl_add(chip->card, chip->speaker_sw_ctl)) < 0) 1393 return err; 1394 if (mix->line_mute.addr != 0) { 1395 chip->lineout_sw_ctl = snd_ctl_new1(&tumbler_lineout_sw, chip); 1396 if ((err = snd_ctl_add(chip->card, chip->lineout_sw_ctl)) < 0) 1397 return err; 1398 } 1399 chip->drc_sw_ctl = snd_ctl_new1(&tumbler_drc_sw, chip); 1400 if ((err = snd_ctl_add(chip->card, chip->drc_sw_ctl)) < 0) 1401 return err; 1402 1403 /* set initial DRC range to 60% */ 1404 if (chip->model == PMAC_TUMBLER) 1405 mix->drc_range = (TAS3001_DRC_MAX * 6) / 10; 1406 else 1407 mix->drc_range = (TAS3004_DRC_MAX * 6) / 10; 1408 mix->drc_enable = 1; /* will be changed later if AUTO_DRC is set */ 1409 if (chip->model == PMAC_TUMBLER) 1410 tumbler_set_drc(mix); 1411 else 1412 snapper_set_drc(mix); 1413 1414 #ifdef CONFIG_PM 1415 chip->suspend = tumbler_suspend; 1416 chip->resume = tumbler_resume; 1417 #endif 1418 1419 INIT_WORK(&device_change, device_change_handler, (void *)chip); 1420 1421 #ifdef PMAC_SUPPORT_AUTOMUTE 1422 if ((mix->headphone_irq >=0 || mix->lineout_irq >= 0) 1423 && (err = snd_pmac_add_automute(chip)) < 0) 1424 return err; 1425 chip->detect_headphone = tumbler_detect_headphone; 1426 chip->update_automute = tumbler_update_automute; 1427 tumbler_update_automute(chip, 0); /* update the status only */ 1428 1429 /* activate headphone status interrupts */ 1430 if (mix->headphone_irq >= 0) { 1431 unsigned char val; 1432 if ((err = request_irq(mix->headphone_irq, headphone_intr, 0, 1433 "Sound Headphone Detection", chip)) < 0) 1434 return 0; 1435 /* activate headphone status interrupts */ 1436 val = do_gpio_read(&mix->hp_detect); 1437 do_gpio_write(&mix->hp_detect, val | 0x80); 1438 } 1439 if (mix->lineout_irq >= 0) { 1440 unsigned char val; 1441 if ((err = request_irq(mix->lineout_irq, headphone_intr, 0, 1442 "Sound Lineout Detection", chip)) < 0) 1443 return 0; 1444 /* activate headphone status interrupts */ 1445 val = do_gpio_read(&mix->line_detect); 1446 do_gpio_write(&mix->line_detect, val | 0x80); 1447 } 1448 #endif 1449 1450 return 0; 1451 } 1452