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 <linux/string.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(KERN_DEBUG fmt) 46 #else 47 #define DBG(fmt...) 48 #endif 49 50 #define IS_G4DA (of_machine_is_compatible("PowerMac3,4")) 51 52 /* i2c address for tumbler */ 53 #define TAS_I2C_ADDR 0x34 54 55 /* registers */ 56 #define TAS_REG_MCS 0x01 /* main control */ 57 #define TAS_REG_DRC 0x02 58 #define TAS_REG_VOL 0x04 59 #define TAS_REG_TREBLE 0x05 60 #define TAS_REG_BASS 0x06 61 #define TAS_REG_INPUT1 0x07 62 #define TAS_REG_INPUT2 0x08 63 64 /* tas3001c */ 65 #define TAS_REG_PCM TAS_REG_INPUT1 66 67 /* tas3004 */ 68 #define TAS_REG_LMIX TAS_REG_INPUT1 69 #define TAS_REG_RMIX TAS_REG_INPUT2 70 #define TAS_REG_MCS2 0x43 /* main control 2 */ 71 #define TAS_REG_ACS 0x40 /* analog control */ 72 73 /* mono volumes for tas3001c/tas3004 */ 74 enum { 75 VOL_IDX_PCM_MONO, /* tas3001c only */ 76 VOL_IDX_BASS, VOL_IDX_TREBLE, 77 VOL_IDX_LAST_MONO 78 }; 79 80 /* stereo volumes for tas3004 */ 81 enum { 82 VOL_IDX_PCM, VOL_IDX_PCM2, VOL_IDX_ADC, 83 VOL_IDX_LAST_MIX 84 }; 85 86 struct pmac_gpio { 87 unsigned int addr; 88 u8 active_val; 89 u8 inactive_val; 90 u8 active_state; 91 }; 92 93 struct pmac_tumbler { 94 struct pmac_keywest i2c; 95 struct pmac_gpio audio_reset; 96 struct pmac_gpio amp_mute; 97 struct pmac_gpio line_mute; 98 struct pmac_gpio line_detect; 99 struct pmac_gpio hp_mute; 100 struct pmac_gpio hp_detect; 101 int headphone_irq; 102 int lineout_irq; 103 unsigned int save_master_vol[2]; 104 unsigned int master_vol[2]; 105 unsigned int save_master_switch[2]; 106 unsigned int master_switch[2]; 107 unsigned int mono_vol[VOL_IDX_LAST_MONO]; 108 unsigned int mix_vol[VOL_IDX_LAST_MIX][2]; /* stereo volumes for tas3004 */ 109 int drc_range; 110 int drc_enable; 111 int capture_source; 112 int anded_reset; 113 int auto_mute_notify; 114 int reset_on_sleep; 115 u8 acs; 116 }; 117 118 119 /* 120 */ 121 122 static int send_init_client(struct pmac_keywest *i2c, unsigned int *regs) 123 { 124 while (*regs > 0) { 125 int err, count = 10; 126 do { 127 err = i2c_smbus_write_byte_data(i2c->client, 128 regs[0], regs[1]); 129 if (err >= 0) 130 break; 131 DBG("(W) i2c error %d\n", err); 132 mdelay(10); 133 } while (count--); 134 if (err < 0) 135 return -ENXIO; 136 regs += 2; 137 } 138 return 0; 139 } 140 141 142 static int tumbler_init_client(struct pmac_keywest *i2c) 143 { 144 static unsigned int regs[] = { 145 /* normal operation, SCLK=64fps, i2s output, i2s input, 16bit width */ 146 TAS_REG_MCS, (1<<6)|(2<<4)|(2<<2)|0, 147 0, /* terminator */ 148 }; 149 DBG("(I) tumbler init client\n"); 150 return send_init_client(i2c, regs); 151 } 152 153 static int snapper_init_client(struct pmac_keywest *i2c) 154 { 155 static unsigned int regs[] = { 156 /* normal operation, SCLK=64fps, i2s output, 16bit width */ 157 TAS_REG_MCS, (1<<6)|(2<<4)|0, 158 /* normal operation, all-pass mode */ 159 TAS_REG_MCS2, (1<<1), 160 /* normal output, no deemphasis, A input, power-up, line-in */ 161 TAS_REG_ACS, 0, 162 0, /* terminator */ 163 }; 164 DBG("(I) snapper init client\n"); 165 return send_init_client(i2c, regs); 166 } 167 168 /* 169 * gpio access 170 */ 171 #define do_gpio_write(gp, val) \ 172 pmac_call_feature(PMAC_FTR_WRITE_GPIO, NULL, (gp)->addr, val) 173 #define do_gpio_read(gp) \ 174 pmac_call_feature(PMAC_FTR_READ_GPIO, NULL, (gp)->addr, 0) 175 #define tumbler_gpio_free(gp) /* NOP */ 176 177 static void write_audio_gpio(struct pmac_gpio *gp, int active) 178 { 179 if (! gp->addr) 180 return; 181 active = active ? gp->active_val : gp->inactive_val; 182 do_gpio_write(gp, active); 183 DBG("(I) gpio %x write %d\n", gp->addr, active); 184 } 185 186 static int check_audio_gpio(struct pmac_gpio *gp) 187 { 188 int ret; 189 190 if (! gp->addr) 191 return 0; 192 193 ret = do_gpio_read(gp); 194 195 return (ret & 0x1) == (gp->active_val & 0x1); 196 } 197 198 static int read_audio_gpio(struct pmac_gpio *gp) 199 { 200 int ret; 201 if (! gp->addr) 202 return 0; 203 ret = do_gpio_read(gp); 204 ret = (ret & 0x02) !=0; 205 return ret == gp->active_state; 206 } 207 208 /* 209 * update master volume 210 */ 211 static int tumbler_set_master_volume(struct pmac_tumbler *mix) 212 { 213 unsigned char block[6]; 214 unsigned int left_vol, right_vol; 215 216 if (! mix->i2c.client) 217 return -ENODEV; 218 219 if (! mix->master_switch[0]) 220 left_vol = 0; 221 else { 222 left_vol = mix->master_vol[0]; 223 if (left_vol >= ARRAY_SIZE(master_volume_table)) 224 left_vol = ARRAY_SIZE(master_volume_table) - 1; 225 left_vol = master_volume_table[left_vol]; 226 } 227 if (! mix->master_switch[1]) 228 right_vol = 0; 229 else { 230 right_vol = mix->master_vol[1]; 231 if (right_vol >= ARRAY_SIZE(master_volume_table)) 232 right_vol = ARRAY_SIZE(master_volume_table) - 1; 233 right_vol = master_volume_table[right_vol]; 234 } 235 236 block[0] = (left_vol >> 16) & 0xff; 237 block[1] = (left_vol >> 8) & 0xff; 238 block[2] = (left_vol >> 0) & 0xff; 239 240 block[3] = (right_vol >> 16) & 0xff; 241 block[4] = (right_vol >> 8) & 0xff; 242 block[5] = (right_vol >> 0) & 0xff; 243 244 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_VOL, 6, 245 block) < 0) { 246 snd_printk(KERN_ERR "failed to set volume \n"); 247 return -EINVAL; 248 } 249 DBG("(I) succeeded to set volume (%u, %u)\n", left_vol, right_vol); 250 return 0; 251 } 252 253 254 /* output volume */ 255 static int tumbler_info_master_volume(struct snd_kcontrol *kcontrol, 256 struct snd_ctl_elem_info *uinfo) 257 { 258 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 259 uinfo->count = 2; 260 uinfo->value.integer.min = 0; 261 uinfo->value.integer.max = ARRAY_SIZE(master_volume_table) - 1; 262 return 0; 263 } 264 265 static int tumbler_get_master_volume(struct snd_kcontrol *kcontrol, 266 struct snd_ctl_elem_value *ucontrol) 267 { 268 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 269 struct pmac_tumbler *mix = chip->mixer_data; 270 271 ucontrol->value.integer.value[0] = mix->master_vol[0]; 272 ucontrol->value.integer.value[1] = mix->master_vol[1]; 273 return 0; 274 } 275 276 static int tumbler_put_master_volume(struct snd_kcontrol *kcontrol, 277 struct snd_ctl_elem_value *ucontrol) 278 { 279 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 280 struct pmac_tumbler *mix = chip->mixer_data; 281 unsigned int vol[2]; 282 int change; 283 284 vol[0] = ucontrol->value.integer.value[0]; 285 vol[1] = ucontrol->value.integer.value[1]; 286 if (vol[0] >= ARRAY_SIZE(master_volume_table) || 287 vol[1] >= ARRAY_SIZE(master_volume_table)) 288 return -EINVAL; 289 change = mix->master_vol[0] != vol[0] || 290 mix->master_vol[1] != vol[1]; 291 if (change) { 292 mix->master_vol[0] = vol[0]; 293 mix->master_vol[1] = vol[1]; 294 tumbler_set_master_volume(mix); 295 } 296 return change; 297 } 298 299 /* output switch */ 300 static int tumbler_get_master_switch(struct snd_kcontrol *kcontrol, 301 struct snd_ctl_elem_value *ucontrol) 302 { 303 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 304 struct pmac_tumbler *mix = chip->mixer_data; 305 306 ucontrol->value.integer.value[0] = mix->master_switch[0]; 307 ucontrol->value.integer.value[1] = mix->master_switch[1]; 308 return 0; 309 } 310 311 static int tumbler_put_master_switch(struct snd_kcontrol *kcontrol, 312 struct snd_ctl_elem_value *ucontrol) 313 { 314 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 315 struct pmac_tumbler *mix = chip->mixer_data; 316 int change; 317 318 change = mix->master_switch[0] != ucontrol->value.integer.value[0] || 319 mix->master_switch[1] != ucontrol->value.integer.value[1]; 320 if (change) { 321 mix->master_switch[0] = !!ucontrol->value.integer.value[0]; 322 mix->master_switch[1] = !!ucontrol->value.integer.value[1]; 323 tumbler_set_master_volume(mix); 324 } 325 return change; 326 } 327 328 329 /* 330 * TAS3001c dynamic range compression 331 */ 332 333 #define TAS3001_DRC_MAX 0x5f 334 335 static int tumbler_set_drc(struct pmac_tumbler *mix) 336 { 337 unsigned char val[2]; 338 339 if (! mix->i2c.client) 340 return -ENODEV; 341 342 if (mix->drc_enable) { 343 val[0] = 0xc1; /* enable, 3:1 compression */ 344 if (mix->drc_range > TAS3001_DRC_MAX) 345 val[1] = 0xf0; 346 else if (mix->drc_range < 0) 347 val[1] = 0x91; 348 else 349 val[1] = mix->drc_range + 0x91; 350 } else { 351 val[0] = 0; 352 val[1] = 0; 353 } 354 355 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_DRC, 356 2, val) < 0) { 357 snd_printk(KERN_ERR "failed to set DRC\n"); 358 return -EINVAL; 359 } 360 DBG("(I) succeeded to set DRC (%u, %u)\n", val[0], val[1]); 361 return 0; 362 } 363 364 /* 365 * TAS3004 366 */ 367 368 #define TAS3004_DRC_MAX 0xef 369 370 static int snapper_set_drc(struct pmac_tumbler *mix) 371 { 372 unsigned char val[6]; 373 374 if (! mix->i2c.client) 375 return -ENODEV; 376 377 if (mix->drc_enable) 378 val[0] = 0x50; /* 3:1 above threshold */ 379 else 380 val[0] = 0x51; /* disabled */ 381 val[1] = 0x02; /* 1:1 below threshold */ 382 if (mix->drc_range > 0xef) 383 val[2] = 0xef; 384 else if (mix->drc_range < 0) 385 val[2] = 0x00; 386 else 387 val[2] = mix->drc_range; 388 val[3] = 0xb0; 389 val[4] = 0x60; 390 val[5] = 0xa0; 391 392 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_DRC, 393 6, val) < 0) { 394 snd_printk(KERN_ERR "failed to set DRC\n"); 395 return -EINVAL; 396 } 397 DBG("(I) succeeded to set DRC (%u, %u)\n", val[0], val[1]); 398 return 0; 399 } 400 401 static int tumbler_info_drc_value(struct snd_kcontrol *kcontrol, 402 struct snd_ctl_elem_info *uinfo) 403 { 404 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 405 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 406 uinfo->count = 1; 407 uinfo->value.integer.min = 0; 408 uinfo->value.integer.max = 409 chip->model == PMAC_TUMBLER ? TAS3001_DRC_MAX : TAS3004_DRC_MAX; 410 return 0; 411 } 412 413 static int tumbler_get_drc_value(struct snd_kcontrol *kcontrol, 414 struct snd_ctl_elem_value *ucontrol) 415 { 416 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 417 struct pmac_tumbler *mix; 418 if (! (mix = chip->mixer_data)) 419 return -ENODEV; 420 ucontrol->value.integer.value[0] = mix->drc_range; 421 return 0; 422 } 423 424 static int tumbler_put_drc_value(struct snd_kcontrol *kcontrol, 425 struct snd_ctl_elem_value *ucontrol) 426 { 427 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 428 struct pmac_tumbler *mix; 429 unsigned int val; 430 int change; 431 432 if (! (mix = chip->mixer_data)) 433 return -ENODEV; 434 val = ucontrol->value.integer.value[0]; 435 if (chip->model == PMAC_TUMBLER) { 436 if (val > TAS3001_DRC_MAX) 437 return -EINVAL; 438 } else { 439 if (val > TAS3004_DRC_MAX) 440 return -EINVAL; 441 } 442 change = mix->drc_range != val; 443 if (change) { 444 mix->drc_range = val; 445 if (chip->model == PMAC_TUMBLER) 446 tumbler_set_drc(mix); 447 else 448 snapper_set_drc(mix); 449 } 450 return change; 451 } 452 453 static int tumbler_get_drc_switch(struct snd_kcontrol *kcontrol, 454 struct snd_ctl_elem_value *ucontrol) 455 { 456 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 457 struct pmac_tumbler *mix; 458 if (! (mix = chip->mixer_data)) 459 return -ENODEV; 460 ucontrol->value.integer.value[0] = mix->drc_enable; 461 return 0; 462 } 463 464 static int tumbler_put_drc_switch(struct snd_kcontrol *kcontrol, 465 struct snd_ctl_elem_value *ucontrol) 466 { 467 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 468 struct pmac_tumbler *mix; 469 int change; 470 471 if (! (mix = chip->mixer_data)) 472 return -ENODEV; 473 change = mix->drc_enable != ucontrol->value.integer.value[0]; 474 if (change) { 475 mix->drc_enable = !!ucontrol->value.integer.value[0]; 476 if (chip->model == PMAC_TUMBLER) 477 tumbler_set_drc(mix); 478 else 479 snapper_set_drc(mix); 480 } 481 return change; 482 } 483 484 485 /* 486 * mono volumes 487 */ 488 489 struct tumbler_mono_vol { 490 int index; 491 int reg; 492 int bytes; 493 unsigned int max; 494 unsigned int *table; 495 }; 496 497 static int tumbler_set_mono_volume(struct pmac_tumbler *mix, 498 struct tumbler_mono_vol *info) 499 { 500 unsigned char block[4]; 501 unsigned int vol; 502 int i; 503 504 if (! mix->i2c.client) 505 return -ENODEV; 506 507 vol = mix->mono_vol[info->index]; 508 if (vol >= info->max) 509 vol = info->max - 1; 510 vol = info->table[vol]; 511 for (i = 0; i < info->bytes; i++) 512 block[i] = (vol >> ((info->bytes - i - 1) * 8)) & 0xff; 513 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, info->reg, 514 info->bytes, block) < 0) { 515 snd_printk(KERN_ERR "failed to set mono volume %d\n", 516 info->index); 517 return -EINVAL; 518 } 519 return 0; 520 } 521 522 static int tumbler_info_mono(struct snd_kcontrol *kcontrol, 523 struct snd_ctl_elem_info *uinfo) 524 { 525 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value; 526 527 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 528 uinfo->count = 1; 529 uinfo->value.integer.min = 0; 530 uinfo->value.integer.max = info->max - 1; 531 return 0; 532 } 533 534 static int tumbler_get_mono(struct snd_kcontrol *kcontrol, 535 struct snd_ctl_elem_value *ucontrol) 536 { 537 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value; 538 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 539 struct pmac_tumbler *mix; 540 if (! (mix = chip->mixer_data)) 541 return -ENODEV; 542 ucontrol->value.integer.value[0] = mix->mono_vol[info->index]; 543 return 0; 544 } 545 546 static int tumbler_put_mono(struct snd_kcontrol *kcontrol, 547 struct snd_ctl_elem_value *ucontrol) 548 { 549 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value; 550 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 551 struct pmac_tumbler *mix; 552 unsigned int vol; 553 int change; 554 555 if (! (mix = chip->mixer_data)) 556 return -ENODEV; 557 vol = ucontrol->value.integer.value[0]; 558 if (vol >= info->max) 559 return -EINVAL; 560 change = mix->mono_vol[info->index] != vol; 561 if (change) { 562 mix->mono_vol[info->index] = vol; 563 tumbler_set_mono_volume(mix, info); 564 } 565 return change; 566 } 567 568 /* TAS3001c mono volumes */ 569 static struct tumbler_mono_vol tumbler_pcm_vol_info = { 570 .index = VOL_IDX_PCM_MONO, 571 .reg = TAS_REG_PCM, 572 .bytes = 3, 573 .max = ARRAY_SIZE(mixer_volume_table), 574 .table = mixer_volume_table, 575 }; 576 577 static struct tumbler_mono_vol tumbler_bass_vol_info = { 578 .index = VOL_IDX_BASS, 579 .reg = TAS_REG_BASS, 580 .bytes = 1, 581 .max = ARRAY_SIZE(bass_volume_table), 582 .table = bass_volume_table, 583 }; 584 585 static struct tumbler_mono_vol tumbler_treble_vol_info = { 586 .index = VOL_IDX_TREBLE, 587 .reg = TAS_REG_TREBLE, 588 .bytes = 1, 589 .max = ARRAY_SIZE(treble_volume_table), 590 .table = treble_volume_table, 591 }; 592 593 /* TAS3004 mono volumes */ 594 static struct tumbler_mono_vol snapper_bass_vol_info = { 595 .index = VOL_IDX_BASS, 596 .reg = TAS_REG_BASS, 597 .bytes = 1, 598 .max = ARRAY_SIZE(snapper_bass_volume_table), 599 .table = snapper_bass_volume_table, 600 }; 601 602 static struct tumbler_mono_vol snapper_treble_vol_info = { 603 .index = VOL_IDX_TREBLE, 604 .reg = TAS_REG_TREBLE, 605 .bytes = 1, 606 .max = ARRAY_SIZE(snapper_treble_volume_table), 607 .table = snapper_treble_volume_table, 608 }; 609 610 611 #define DEFINE_MONO(xname,type) { \ 612 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\ 613 .name = xname, \ 614 .info = tumbler_info_mono, \ 615 .get = tumbler_get_mono, \ 616 .put = tumbler_put_mono, \ 617 .private_value = (unsigned long)(&tumbler_##type##_vol_info), \ 618 } 619 620 #define DEFINE_SNAPPER_MONO(xname,type) { \ 621 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\ 622 .name = xname, \ 623 .info = tumbler_info_mono, \ 624 .get = tumbler_get_mono, \ 625 .put = tumbler_put_mono, \ 626 .private_value = (unsigned long)(&snapper_##type##_vol_info), \ 627 } 628 629 630 /* 631 * snapper mixer volumes 632 */ 633 634 static int snapper_set_mix_vol1(struct pmac_tumbler *mix, int idx, int ch, int reg) 635 { 636 int i, j, vol; 637 unsigned char block[9]; 638 639 vol = mix->mix_vol[idx][ch]; 640 if (vol >= ARRAY_SIZE(mixer_volume_table)) { 641 vol = ARRAY_SIZE(mixer_volume_table) - 1; 642 mix->mix_vol[idx][ch] = vol; 643 } 644 645 for (i = 0; i < 3; i++) { 646 vol = mix->mix_vol[i][ch]; 647 vol = mixer_volume_table[vol]; 648 for (j = 0; j < 3; j++) 649 block[i * 3 + j] = (vol >> ((2 - j) * 8)) & 0xff; 650 } 651 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, reg, 652 9, block) < 0) { 653 snd_printk(KERN_ERR "failed to set mono volume %d\n", reg); 654 return -EINVAL; 655 } 656 return 0; 657 } 658 659 static int snapper_set_mix_vol(struct pmac_tumbler *mix, int idx) 660 { 661 if (! mix->i2c.client) 662 return -ENODEV; 663 if (snapper_set_mix_vol1(mix, idx, 0, TAS_REG_LMIX) < 0 || 664 snapper_set_mix_vol1(mix, idx, 1, TAS_REG_RMIX) < 0) 665 return -EINVAL; 666 return 0; 667 } 668 669 static int snapper_info_mix(struct snd_kcontrol *kcontrol, 670 struct snd_ctl_elem_info *uinfo) 671 { 672 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 673 uinfo->count = 2; 674 uinfo->value.integer.min = 0; 675 uinfo->value.integer.max = ARRAY_SIZE(mixer_volume_table) - 1; 676 return 0; 677 } 678 679 static int snapper_get_mix(struct snd_kcontrol *kcontrol, 680 struct snd_ctl_elem_value *ucontrol) 681 { 682 int idx = (int)kcontrol->private_value; 683 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 684 struct pmac_tumbler *mix; 685 if (! (mix = chip->mixer_data)) 686 return -ENODEV; 687 ucontrol->value.integer.value[0] = mix->mix_vol[idx][0]; 688 ucontrol->value.integer.value[1] = mix->mix_vol[idx][1]; 689 return 0; 690 } 691 692 static int snapper_put_mix(struct snd_kcontrol *kcontrol, 693 struct snd_ctl_elem_value *ucontrol) 694 { 695 int idx = (int)kcontrol->private_value; 696 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 697 struct pmac_tumbler *mix; 698 unsigned int vol[2]; 699 int change; 700 701 if (! (mix = chip->mixer_data)) 702 return -ENODEV; 703 vol[0] = ucontrol->value.integer.value[0]; 704 vol[1] = ucontrol->value.integer.value[1]; 705 if (vol[0] >= ARRAY_SIZE(mixer_volume_table) || 706 vol[1] >= ARRAY_SIZE(mixer_volume_table)) 707 return -EINVAL; 708 change = mix->mix_vol[idx][0] != vol[0] || 709 mix->mix_vol[idx][1] != vol[1]; 710 if (change) { 711 mix->mix_vol[idx][0] = vol[0]; 712 mix->mix_vol[idx][1] = vol[1]; 713 snapper_set_mix_vol(mix, idx); 714 } 715 return change; 716 } 717 718 719 /* 720 * mute switches. FIXME: Turn that into software mute when both outputs are muted 721 * to avoid codec reset on ibook M7 722 */ 723 724 enum { TUMBLER_MUTE_HP, TUMBLER_MUTE_AMP, TUMBLER_MUTE_LINE }; 725 726 static int tumbler_get_mute_switch(struct snd_kcontrol *kcontrol, 727 struct snd_ctl_elem_value *ucontrol) 728 { 729 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 730 struct pmac_tumbler *mix; 731 struct pmac_gpio *gp; 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 ucontrol->value.integer.value[0] = !check_audio_gpio(gp); 747 return 0; 748 } 749 750 static int tumbler_put_mute_switch(struct snd_kcontrol *kcontrol, 751 struct snd_ctl_elem_value *ucontrol) 752 { 753 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 754 struct pmac_tumbler *mix; 755 struct pmac_gpio *gp; 756 int val; 757 #ifdef PMAC_SUPPORT_AUTOMUTE 758 if (chip->update_automute && chip->auto_mute) 759 return 0; /* don't touch in the auto-mute mode */ 760 #endif 761 if (! (mix = chip->mixer_data)) 762 return -ENODEV; 763 switch(kcontrol->private_value) { 764 case TUMBLER_MUTE_HP: 765 gp = &mix->hp_mute; break; 766 case TUMBLER_MUTE_AMP: 767 gp = &mix->amp_mute; break; 768 case TUMBLER_MUTE_LINE: 769 gp = &mix->line_mute; break; 770 default: 771 gp = NULL; 772 } 773 if (gp == NULL) 774 return -EINVAL; 775 val = ! check_audio_gpio(gp); 776 if (val != ucontrol->value.integer.value[0]) { 777 write_audio_gpio(gp, ! ucontrol->value.integer.value[0]); 778 return 1; 779 } 780 return 0; 781 } 782 783 static int snapper_set_capture_source(struct pmac_tumbler *mix) 784 { 785 if (! mix->i2c.client) 786 return -ENODEV; 787 if (mix->capture_source) 788 mix->acs |= 2; 789 else 790 mix->acs &= ~2; 791 return i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs); 792 } 793 794 static int snapper_info_capture_source(struct snd_kcontrol *kcontrol, 795 struct snd_ctl_elem_info *uinfo) 796 { 797 static char *texts[2] = { 798 "Line", "Mic" 799 }; 800 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 801 uinfo->count = 1; 802 uinfo->value.enumerated.items = 2; 803 if (uinfo->value.enumerated.item > 1) 804 uinfo->value.enumerated.item = 1; 805 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]); 806 return 0; 807 } 808 809 static int snapper_get_capture_source(struct snd_kcontrol *kcontrol, 810 struct snd_ctl_elem_value *ucontrol) 811 { 812 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 813 struct pmac_tumbler *mix = chip->mixer_data; 814 815 ucontrol->value.enumerated.item[0] = mix->capture_source; 816 return 0; 817 } 818 819 static int snapper_put_capture_source(struct snd_kcontrol *kcontrol, 820 struct snd_ctl_elem_value *ucontrol) 821 { 822 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 823 struct pmac_tumbler *mix = chip->mixer_data; 824 int change; 825 826 change = ucontrol->value.enumerated.item[0] != mix->capture_source; 827 if (change) { 828 mix->capture_source = !!ucontrol->value.enumerated.item[0]; 829 snapper_set_capture_source(mix); 830 } 831 return change; 832 } 833 834 #define DEFINE_SNAPPER_MIX(xname,idx,ofs) { \ 835 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\ 836 .name = xname, \ 837 .info = snapper_info_mix, \ 838 .get = snapper_get_mix, \ 839 .put = snapper_put_mix, \ 840 .index = idx,\ 841 .private_value = ofs, \ 842 } 843 844 845 /* 846 */ 847 static struct snd_kcontrol_new tumbler_mixers[] = { 848 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 849 .name = "Master Playback Volume", 850 .info = tumbler_info_master_volume, 851 .get = tumbler_get_master_volume, 852 .put = tumbler_put_master_volume 853 }, 854 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 855 .name = "Master Playback Switch", 856 .info = snd_pmac_boolean_stereo_info, 857 .get = tumbler_get_master_switch, 858 .put = tumbler_put_master_switch 859 }, 860 DEFINE_MONO("Tone Control - Bass", bass), 861 DEFINE_MONO("Tone Control - Treble", treble), 862 DEFINE_MONO("PCM Playback Volume", pcm), 863 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 864 .name = "DRC Range", 865 .info = tumbler_info_drc_value, 866 .get = tumbler_get_drc_value, 867 .put = tumbler_put_drc_value 868 }, 869 }; 870 871 static struct snd_kcontrol_new snapper_mixers[] = { 872 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 873 .name = "Master Playback Volume", 874 .info = tumbler_info_master_volume, 875 .get = tumbler_get_master_volume, 876 .put = tumbler_put_master_volume 877 }, 878 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 879 .name = "Master Playback Switch", 880 .info = snd_pmac_boolean_stereo_info, 881 .get = tumbler_get_master_switch, 882 .put = tumbler_put_master_switch 883 }, 884 DEFINE_SNAPPER_MIX("PCM Playback Volume", 0, VOL_IDX_PCM), 885 /* Alternative PCM is assigned to Mic analog loopback on iBook G4 */ 886 DEFINE_SNAPPER_MIX("Mic Playback Volume", 0, VOL_IDX_PCM2), 887 DEFINE_SNAPPER_MIX("Monitor Mix Volume", 0, VOL_IDX_ADC), 888 DEFINE_SNAPPER_MONO("Tone Control - Bass", bass), 889 DEFINE_SNAPPER_MONO("Tone Control - Treble", treble), 890 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 891 .name = "DRC Range", 892 .info = tumbler_info_drc_value, 893 .get = tumbler_get_drc_value, 894 .put = tumbler_put_drc_value 895 }, 896 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 897 .name = "Input Source", /* FIXME: "Capture Source" doesn't work properly */ 898 .info = snapper_info_capture_source, 899 .get = snapper_get_capture_source, 900 .put = snapper_put_capture_source 901 }, 902 }; 903 904 static struct snd_kcontrol_new tumbler_hp_sw = { 905 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 906 .name = "Headphone 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_HP, 911 }; 912 static struct snd_kcontrol_new tumbler_speaker_sw = { 913 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 914 .name = "Speaker 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_AMP, 919 }; 920 static struct snd_kcontrol_new tumbler_lineout_sw = { 921 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 922 .name = "Line Out Playback Switch", 923 .info = snd_pmac_boolean_mono_info, 924 .get = tumbler_get_mute_switch, 925 .put = tumbler_put_mute_switch, 926 .private_value = TUMBLER_MUTE_LINE, 927 }; 928 static struct snd_kcontrol_new tumbler_drc_sw = { 929 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 930 .name = "DRC Switch", 931 .info = snd_pmac_boolean_mono_info, 932 .get = tumbler_get_drc_switch, 933 .put = tumbler_put_drc_switch 934 }; 935 936 937 #ifdef PMAC_SUPPORT_AUTOMUTE 938 /* 939 * auto-mute stuffs 940 */ 941 static int tumbler_detect_headphone(struct snd_pmac *chip) 942 { 943 struct pmac_tumbler *mix = chip->mixer_data; 944 int detect = 0; 945 946 if (mix->hp_detect.addr) 947 detect |= read_audio_gpio(&mix->hp_detect); 948 return detect; 949 } 950 951 static int tumbler_detect_lineout(struct snd_pmac *chip) 952 { 953 struct pmac_tumbler *mix = chip->mixer_data; 954 int detect = 0; 955 956 if (mix->line_detect.addr) 957 detect |= read_audio_gpio(&mix->line_detect); 958 return detect; 959 } 960 961 static void check_mute(struct snd_pmac *chip, struct pmac_gpio *gp, int val, int do_notify, 962 struct snd_kcontrol *sw) 963 { 964 if (check_audio_gpio(gp) != val) { 965 write_audio_gpio(gp, val); 966 if (do_notify) 967 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, 968 &sw->id); 969 } 970 } 971 972 static struct work_struct device_change; 973 static struct snd_pmac *device_change_chip; 974 975 static void device_change_handler(struct work_struct *work) 976 { 977 struct snd_pmac *chip = device_change_chip; 978 struct pmac_tumbler *mix; 979 int headphone, lineout; 980 981 if (!chip) 982 return; 983 984 mix = chip->mixer_data; 985 if (snd_BUG_ON(!mix)) 986 return; 987 988 headphone = tumbler_detect_headphone(chip); 989 lineout = tumbler_detect_lineout(chip); 990 991 DBG("headphone: %d, lineout: %d\n", headphone, lineout); 992 993 if (headphone || lineout) { 994 /* unmute headphone/lineout & mute speaker */ 995 if (headphone) 996 check_mute(chip, &mix->hp_mute, 0, mix->auto_mute_notify, 997 chip->master_sw_ctl); 998 if (lineout && mix->line_mute.addr != 0) 999 check_mute(chip, &mix->line_mute, 0, mix->auto_mute_notify, 1000 chip->lineout_sw_ctl); 1001 if (mix->anded_reset) 1002 msleep(10); 1003 check_mute(chip, &mix->amp_mute, !IS_G4DA, mix->auto_mute_notify, 1004 chip->speaker_sw_ctl); 1005 } else { 1006 /* unmute speaker, mute others */ 1007 check_mute(chip, &mix->amp_mute, 0, mix->auto_mute_notify, 1008 chip->speaker_sw_ctl); 1009 if (mix->anded_reset) 1010 msleep(10); 1011 check_mute(chip, &mix->hp_mute, 1, mix->auto_mute_notify, 1012 chip->master_sw_ctl); 1013 if (mix->line_mute.addr != 0) 1014 check_mute(chip, &mix->line_mute, 1, mix->auto_mute_notify, 1015 chip->lineout_sw_ctl); 1016 } 1017 if (mix->auto_mute_notify) 1018 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, 1019 &chip->hp_detect_ctl->id); 1020 1021 #ifdef CONFIG_SND_POWERMAC_AUTO_DRC 1022 mix->drc_enable = ! (headphone || lineout); 1023 if (mix->auto_mute_notify) 1024 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, 1025 &chip->drc_sw_ctl->id); 1026 if (chip->model == PMAC_TUMBLER) 1027 tumbler_set_drc(mix); 1028 else 1029 snapper_set_drc(mix); 1030 #endif 1031 1032 /* reset the master volume so the correct amplification is applied */ 1033 tumbler_set_master_volume(mix); 1034 } 1035 1036 static void tumbler_update_automute(struct snd_pmac *chip, int do_notify) 1037 { 1038 if (chip->auto_mute) { 1039 struct pmac_tumbler *mix; 1040 mix = chip->mixer_data; 1041 if (snd_BUG_ON(!mix)) 1042 return; 1043 mix->auto_mute_notify = do_notify; 1044 schedule_work(&device_change); 1045 } 1046 } 1047 #endif /* PMAC_SUPPORT_AUTOMUTE */ 1048 1049 1050 /* interrupt - headphone plug changed */ 1051 static irqreturn_t headphone_intr(int irq, void *devid) 1052 { 1053 struct snd_pmac *chip = devid; 1054 if (chip->update_automute && chip->initialized) { 1055 chip->update_automute(chip, 1); 1056 return IRQ_HANDLED; 1057 } 1058 return IRQ_NONE; 1059 } 1060 1061 /* look for audio-gpio device */ 1062 static struct device_node *find_audio_device(const char *name) 1063 { 1064 struct device_node *gpiop; 1065 struct device_node *np; 1066 1067 gpiop = of_find_node_by_name(NULL, "gpio"); 1068 if (! gpiop) 1069 return NULL; 1070 1071 for (np = of_get_next_child(gpiop, NULL); np; 1072 np = of_get_next_child(gpiop, np)) { 1073 const char *property = of_get_property(np, "audio-gpio", NULL); 1074 if (property && strcmp(property, name) == 0) 1075 break; 1076 } 1077 of_node_put(gpiop); 1078 return np; 1079 } 1080 1081 /* look for audio-gpio device */ 1082 static struct device_node *find_compatible_audio_device(const char *name) 1083 { 1084 struct device_node *gpiop; 1085 struct device_node *np; 1086 1087 gpiop = of_find_node_by_name(NULL, "gpio"); 1088 if (!gpiop) 1089 return NULL; 1090 1091 for (np = of_get_next_child(gpiop, NULL); np; 1092 np = of_get_next_child(gpiop, np)) { 1093 if (of_device_is_compatible(np, name)) 1094 break; 1095 } 1096 of_node_put(gpiop); 1097 return np; 1098 } 1099 1100 /* find an audio device and get its address */ 1101 static long tumbler_find_device(const char *device, const char *platform, 1102 struct pmac_gpio *gp, int is_compatible) 1103 { 1104 struct device_node *node; 1105 const u32 *base; 1106 u32 addr; 1107 long ret; 1108 1109 if (is_compatible) 1110 node = find_compatible_audio_device(device); 1111 else 1112 node = find_audio_device(device); 1113 if (! node) { 1114 DBG("(W) cannot find audio device %s !\n", device); 1115 snd_printdd("cannot find device %s\n", device); 1116 return -ENODEV; 1117 } 1118 1119 base = of_get_property(node, "AAPL,address", NULL); 1120 if (! base) { 1121 base = of_get_property(node, "reg", NULL); 1122 if (!base) { 1123 DBG("(E) cannot find address for device %s !\n", device); 1124 snd_printd("cannot find address for device %s\n", device); 1125 of_node_put(node); 1126 return -ENODEV; 1127 } 1128 addr = *base; 1129 if (addr < 0x50) 1130 addr += 0x50; 1131 } else 1132 addr = *base; 1133 1134 gp->addr = addr & 0x0000ffff; 1135 /* Try to find the active state, default to 0 ! */ 1136 base = of_get_property(node, "audio-gpio-active-state", NULL); 1137 if (base) { 1138 gp->active_state = *base; 1139 gp->active_val = (*base) ? 0x5 : 0x4; 1140 gp->inactive_val = (*base) ? 0x4 : 0x5; 1141 } else { 1142 const u32 *prop = NULL; 1143 gp->active_state = IS_G4DA 1144 && !strncmp(device, "keywest-gpio1", 13); 1145 gp->active_val = 0x4; 1146 gp->inactive_val = 0x5; 1147 /* Here are some crude hacks to extract the GPIO polarity and 1148 * open collector informations out of the do-platform script 1149 * as we don't yet have an interpreter for these things 1150 */ 1151 if (platform) 1152 prop = of_get_property(node, platform, NULL); 1153 if (prop) { 1154 if (prop[3] == 0x9 && prop[4] == 0x9) { 1155 gp->active_val = 0xd; 1156 gp->inactive_val = 0xc; 1157 } 1158 if (prop[3] == 0x1 && prop[4] == 0x1) { 1159 gp->active_val = 0x5; 1160 gp->inactive_val = 0x4; 1161 } 1162 } 1163 } 1164 1165 DBG("(I) GPIO device %s found, offset: %x, active state: %d !\n", 1166 device, gp->addr, gp->active_state); 1167 1168 ret = irq_of_parse_and_map(node, 0); 1169 of_node_put(node); 1170 return ret; 1171 } 1172 1173 /* reset audio */ 1174 static void tumbler_reset_audio(struct snd_pmac *chip) 1175 { 1176 struct pmac_tumbler *mix = chip->mixer_data; 1177 1178 if (mix->anded_reset) { 1179 DBG("(I) codec anded reset !\n"); 1180 write_audio_gpio(&mix->hp_mute, 0); 1181 write_audio_gpio(&mix->amp_mute, 0); 1182 msleep(200); 1183 write_audio_gpio(&mix->hp_mute, 1); 1184 write_audio_gpio(&mix->amp_mute, 1); 1185 msleep(100); 1186 write_audio_gpio(&mix->hp_mute, 0); 1187 write_audio_gpio(&mix->amp_mute, 0); 1188 msleep(100); 1189 } else { 1190 DBG("(I) codec normal reset !\n"); 1191 1192 write_audio_gpio(&mix->audio_reset, 0); 1193 msleep(200); 1194 write_audio_gpio(&mix->audio_reset, 1); 1195 msleep(100); 1196 write_audio_gpio(&mix->audio_reset, 0); 1197 msleep(100); 1198 } 1199 } 1200 1201 #ifdef CONFIG_PM 1202 /* suspend mixer */ 1203 static void tumbler_suspend(struct snd_pmac *chip) 1204 { 1205 struct pmac_tumbler *mix = chip->mixer_data; 1206 1207 if (mix->headphone_irq >= 0) 1208 disable_irq(mix->headphone_irq); 1209 if (mix->lineout_irq >= 0) 1210 disable_irq(mix->lineout_irq); 1211 mix->save_master_switch[0] = mix->master_switch[0]; 1212 mix->save_master_switch[1] = mix->master_switch[1]; 1213 mix->save_master_vol[0] = mix->master_vol[0]; 1214 mix->save_master_vol[1] = mix->master_vol[1]; 1215 mix->master_switch[0] = mix->master_switch[1] = 0; 1216 tumbler_set_master_volume(mix); 1217 if (!mix->anded_reset) { 1218 write_audio_gpio(&mix->amp_mute, 1); 1219 write_audio_gpio(&mix->hp_mute, 1); 1220 } 1221 if (chip->model == PMAC_SNAPPER) { 1222 mix->acs |= 1; 1223 i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs); 1224 } 1225 if (mix->anded_reset) { 1226 write_audio_gpio(&mix->amp_mute, 1); 1227 write_audio_gpio(&mix->hp_mute, 1); 1228 } else 1229 write_audio_gpio(&mix->audio_reset, 1); 1230 } 1231 1232 /* resume mixer */ 1233 static void tumbler_resume(struct snd_pmac *chip) 1234 { 1235 struct pmac_tumbler *mix = chip->mixer_data; 1236 1237 mix->acs &= ~1; 1238 mix->master_switch[0] = mix->save_master_switch[0]; 1239 mix->master_switch[1] = mix->save_master_switch[1]; 1240 mix->master_vol[0] = mix->save_master_vol[0]; 1241 mix->master_vol[1] = mix->save_master_vol[1]; 1242 tumbler_reset_audio(chip); 1243 if (mix->i2c.client && mix->i2c.init_client) { 1244 if (mix->i2c.init_client(&mix->i2c) < 0) 1245 printk(KERN_ERR "tumbler_init_client error\n"); 1246 } else 1247 printk(KERN_ERR "tumbler: i2c is not initialized\n"); 1248 if (chip->model == PMAC_TUMBLER) { 1249 tumbler_set_mono_volume(mix, &tumbler_pcm_vol_info); 1250 tumbler_set_mono_volume(mix, &tumbler_bass_vol_info); 1251 tumbler_set_mono_volume(mix, &tumbler_treble_vol_info); 1252 tumbler_set_drc(mix); 1253 } else { 1254 snapper_set_mix_vol(mix, VOL_IDX_PCM); 1255 snapper_set_mix_vol(mix, VOL_IDX_PCM2); 1256 snapper_set_mix_vol(mix, VOL_IDX_ADC); 1257 tumbler_set_mono_volume(mix, &snapper_bass_vol_info); 1258 tumbler_set_mono_volume(mix, &snapper_treble_vol_info); 1259 snapper_set_drc(mix); 1260 snapper_set_capture_source(mix); 1261 } 1262 tumbler_set_master_volume(mix); 1263 if (chip->update_automute) 1264 chip->update_automute(chip, 0); 1265 if (mix->headphone_irq >= 0) { 1266 unsigned char val; 1267 1268 enable_irq(mix->headphone_irq); 1269 /* activate headphone status interrupts */ 1270 val = do_gpio_read(&mix->hp_detect); 1271 do_gpio_write(&mix->hp_detect, val | 0x80); 1272 } 1273 if (mix->lineout_irq >= 0) 1274 enable_irq(mix->lineout_irq); 1275 } 1276 #endif 1277 1278 /* initialize tumbler */ 1279 static int tumbler_init(struct snd_pmac *chip) 1280 { 1281 int irq; 1282 struct pmac_tumbler *mix = chip->mixer_data; 1283 1284 if (tumbler_find_device("audio-hw-reset", 1285 "platform-do-hw-reset", 1286 &mix->audio_reset, 0) < 0) 1287 tumbler_find_device("hw-reset", 1288 "platform-do-hw-reset", 1289 &mix->audio_reset, 1); 1290 if (tumbler_find_device("amp-mute", 1291 "platform-do-amp-mute", 1292 &mix->amp_mute, 0) < 0) 1293 tumbler_find_device("amp-mute", 1294 "platform-do-amp-mute", 1295 &mix->amp_mute, 1); 1296 if (tumbler_find_device("headphone-mute", 1297 "platform-do-headphone-mute", 1298 &mix->hp_mute, 0) < 0) 1299 tumbler_find_device("headphone-mute", 1300 "platform-do-headphone-mute", 1301 &mix->hp_mute, 1); 1302 if (tumbler_find_device("line-output-mute", 1303 "platform-do-lineout-mute", 1304 &mix->line_mute, 0) < 0) 1305 tumbler_find_device("line-output-mute", 1306 "platform-do-lineout-mute", 1307 &mix->line_mute, 1); 1308 irq = tumbler_find_device("headphone-detect", 1309 NULL, &mix->hp_detect, 0); 1310 if (irq <= NO_IRQ) 1311 irq = tumbler_find_device("headphone-detect", 1312 NULL, &mix->hp_detect, 1); 1313 if (irq <= NO_IRQ) 1314 irq = tumbler_find_device("keywest-gpio15", 1315 NULL, &mix->hp_detect, 1); 1316 mix->headphone_irq = irq; 1317 irq = tumbler_find_device("line-output-detect", 1318 NULL, &mix->line_detect, 0); 1319 if (irq <= NO_IRQ) 1320 irq = tumbler_find_device("line-output-detect", 1321 NULL, &mix->line_detect, 1); 1322 if (IS_G4DA && irq <= NO_IRQ) 1323 irq = tumbler_find_device("keywest-gpio16", 1324 NULL, &mix->line_detect, 1); 1325 mix->lineout_irq = irq; 1326 1327 tumbler_reset_audio(chip); 1328 1329 return 0; 1330 } 1331 1332 static void tumbler_cleanup(struct snd_pmac *chip) 1333 { 1334 struct pmac_tumbler *mix = chip->mixer_data; 1335 if (! mix) 1336 return; 1337 1338 if (mix->headphone_irq >= 0) 1339 free_irq(mix->headphone_irq, chip); 1340 if (mix->lineout_irq >= 0) 1341 free_irq(mix->lineout_irq, chip); 1342 tumbler_gpio_free(&mix->audio_reset); 1343 tumbler_gpio_free(&mix->amp_mute); 1344 tumbler_gpio_free(&mix->hp_mute); 1345 tumbler_gpio_free(&mix->hp_detect); 1346 snd_pmac_keywest_cleanup(&mix->i2c); 1347 kfree(mix); 1348 chip->mixer_data = NULL; 1349 } 1350 1351 /* exported */ 1352 int snd_pmac_tumbler_init(struct snd_pmac *chip) 1353 { 1354 int i, err; 1355 struct pmac_tumbler *mix; 1356 const u32 *paddr; 1357 struct device_node *tas_node, *np; 1358 char *chipname; 1359 1360 request_module("i2c-powermac"); 1361 1362 mix = kzalloc(sizeof(*mix), GFP_KERNEL); 1363 if (! mix) 1364 return -ENOMEM; 1365 mix->headphone_irq = -1; 1366 1367 chip->mixer_data = mix; 1368 chip->mixer_free = tumbler_cleanup; 1369 mix->anded_reset = 0; 1370 mix->reset_on_sleep = 1; 1371 1372 for (np = chip->node->child; np; np = np->sibling) { 1373 if (!strcmp(np->name, "sound")) { 1374 if (of_get_property(np, "has-anded-reset", NULL)) 1375 mix->anded_reset = 1; 1376 if (of_get_property(np, "layout-id", NULL)) 1377 mix->reset_on_sleep = 0; 1378 break; 1379 } 1380 } 1381 if ((err = tumbler_init(chip)) < 0) 1382 return err; 1383 1384 /* set up TAS */ 1385 tas_node = of_find_node_by_name(NULL, "deq"); 1386 if (tas_node == NULL) 1387 tas_node = of_find_node_by_name(NULL, "codec"); 1388 if (tas_node == NULL) 1389 return -ENODEV; 1390 1391 paddr = of_get_property(tas_node, "i2c-address", NULL); 1392 if (paddr == NULL) 1393 paddr = of_get_property(tas_node, "reg", NULL); 1394 if (paddr) 1395 mix->i2c.addr = (*paddr) >> 1; 1396 else 1397 mix->i2c.addr = TAS_I2C_ADDR; 1398 of_node_put(tas_node); 1399 1400 DBG("(I) TAS i2c address is: %x\n", mix->i2c.addr); 1401 1402 if (chip->model == PMAC_TUMBLER) { 1403 mix->i2c.init_client = tumbler_init_client; 1404 mix->i2c.name = "TAS3001c"; 1405 chipname = "Tumbler"; 1406 } else { 1407 mix->i2c.init_client = snapper_init_client; 1408 mix->i2c.name = "TAS3004"; 1409 chipname = "Snapper"; 1410 } 1411 1412 if ((err = snd_pmac_keywest_init(&mix->i2c)) < 0) 1413 return err; 1414 1415 /* 1416 * build mixers 1417 */ 1418 sprintf(chip->card->mixername, "PowerMac %s", chipname); 1419 1420 if (chip->model == PMAC_TUMBLER) { 1421 for (i = 0; i < ARRAY_SIZE(tumbler_mixers); i++) { 1422 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&tumbler_mixers[i], chip))) < 0) 1423 return err; 1424 } 1425 } else { 1426 for (i = 0; i < ARRAY_SIZE(snapper_mixers); i++) { 1427 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snapper_mixers[i], chip))) < 0) 1428 return err; 1429 } 1430 } 1431 chip->master_sw_ctl = snd_ctl_new1(&tumbler_hp_sw, chip); 1432 if ((err = snd_ctl_add(chip->card, chip->master_sw_ctl)) < 0) 1433 return err; 1434 chip->speaker_sw_ctl = snd_ctl_new1(&tumbler_speaker_sw, chip); 1435 if ((err = snd_ctl_add(chip->card, chip->speaker_sw_ctl)) < 0) 1436 return err; 1437 if (mix->line_mute.addr != 0) { 1438 chip->lineout_sw_ctl = snd_ctl_new1(&tumbler_lineout_sw, chip); 1439 if ((err = snd_ctl_add(chip->card, chip->lineout_sw_ctl)) < 0) 1440 return err; 1441 } 1442 chip->drc_sw_ctl = snd_ctl_new1(&tumbler_drc_sw, chip); 1443 if ((err = snd_ctl_add(chip->card, chip->drc_sw_ctl)) < 0) 1444 return err; 1445 1446 /* set initial DRC range to 60% */ 1447 if (chip->model == PMAC_TUMBLER) 1448 mix->drc_range = (TAS3001_DRC_MAX * 6) / 10; 1449 else 1450 mix->drc_range = (TAS3004_DRC_MAX * 6) / 10; 1451 mix->drc_enable = 1; /* will be changed later if AUTO_DRC is set */ 1452 if (chip->model == PMAC_TUMBLER) 1453 tumbler_set_drc(mix); 1454 else 1455 snapper_set_drc(mix); 1456 1457 #ifdef CONFIG_PM 1458 chip->suspend = tumbler_suspend; 1459 chip->resume = tumbler_resume; 1460 #endif 1461 1462 INIT_WORK(&device_change, device_change_handler); 1463 device_change_chip = chip; 1464 1465 #ifdef PMAC_SUPPORT_AUTOMUTE 1466 if ((mix->headphone_irq >=0 || mix->lineout_irq >= 0) 1467 && (err = snd_pmac_add_automute(chip)) < 0) 1468 return err; 1469 chip->detect_headphone = tumbler_detect_headphone; 1470 chip->update_automute = tumbler_update_automute; 1471 tumbler_update_automute(chip, 0); /* update the status only */ 1472 1473 /* activate headphone status interrupts */ 1474 if (mix->headphone_irq >= 0) { 1475 unsigned char val; 1476 if ((err = request_irq(mix->headphone_irq, headphone_intr, 0, 1477 "Sound Headphone Detection", chip)) < 0) 1478 return 0; 1479 /* activate headphone status interrupts */ 1480 val = do_gpio_read(&mix->hp_detect); 1481 do_gpio_write(&mix->hp_detect, val | 0x80); 1482 } 1483 if (mix->lineout_irq >= 0) { 1484 unsigned char val; 1485 if ((err = request_irq(mix->lineout_irq, headphone_intr, 0, 1486 "Sound Lineout Detection", chip)) < 0) 1487 return 0; 1488 /* activate headphone status interrupts */ 1489 val = do_gpio_read(&mix->line_detect); 1490 do_gpio_write(&mix->line_detect, val | 0x80); 1491 } 1492 #endif 1493 1494 return 0; 1495 } 1496