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 <linux/of_irq.h> 35 #include <sound/core.h> 36 #include <asm/io.h> 37 #include <asm/irq.h> 38 #include <asm/machdep.h> 39 #include <asm/pmac_feature.h> 40 #include "pmac.h" 41 #include "tumbler_volume.h" 42 43 #undef DEBUG 44 45 #ifdef DEBUG 46 #define DBG(fmt...) printk(KERN_DEBUG fmt) 47 #else 48 #define DBG(fmt...) 49 #endif 50 51 #define IS_G4DA (of_machine_is_compatible("PowerMac3,4")) 52 53 /* i2c address for tumbler */ 54 #define TAS_I2C_ADDR 0x34 55 56 /* registers */ 57 #define TAS_REG_MCS 0x01 /* main control */ 58 #define TAS_REG_DRC 0x02 59 #define TAS_REG_VOL 0x04 60 #define TAS_REG_TREBLE 0x05 61 #define TAS_REG_BASS 0x06 62 #define TAS_REG_INPUT1 0x07 63 #define TAS_REG_INPUT2 0x08 64 65 /* tas3001c */ 66 #define TAS_REG_PCM TAS_REG_INPUT1 67 68 /* tas3004 */ 69 #define TAS_REG_LMIX TAS_REG_INPUT1 70 #define TAS_REG_RMIX TAS_REG_INPUT2 71 #define TAS_REG_MCS2 0x43 /* main control 2 */ 72 #define TAS_REG_ACS 0x40 /* analog control */ 73 74 /* mono volumes for tas3001c/tas3004 */ 75 enum { 76 VOL_IDX_PCM_MONO, /* tas3001c only */ 77 VOL_IDX_BASS, VOL_IDX_TREBLE, 78 VOL_IDX_LAST_MONO 79 }; 80 81 /* stereo volumes for tas3004 */ 82 enum { 83 VOL_IDX_PCM, VOL_IDX_PCM2, VOL_IDX_ADC, 84 VOL_IDX_LAST_MIX 85 }; 86 87 struct pmac_gpio { 88 unsigned int addr; 89 u8 active_val; 90 u8 inactive_val; 91 u8 active_state; 92 }; 93 94 struct pmac_tumbler { 95 struct pmac_keywest i2c; 96 struct pmac_gpio audio_reset; 97 struct pmac_gpio amp_mute; 98 struct pmac_gpio line_mute; 99 struct pmac_gpio line_detect; 100 struct pmac_gpio hp_mute; 101 struct pmac_gpio hp_detect; 102 int headphone_irq; 103 int lineout_irq; 104 unsigned int save_master_vol[2]; 105 unsigned int master_vol[2]; 106 unsigned int save_master_switch[2]; 107 unsigned int master_switch[2]; 108 unsigned int mono_vol[VOL_IDX_LAST_MONO]; 109 unsigned int mix_vol[VOL_IDX_LAST_MIX][2]; /* stereo volumes for tas3004 */ 110 int drc_range; 111 int drc_enable; 112 int capture_source; 113 int anded_reset; 114 int auto_mute_notify; 115 int reset_on_sleep; 116 u8 acs; 117 }; 118 119 120 /* 121 */ 122 123 static int send_init_client(struct pmac_keywest *i2c, unsigned int *regs) 124 { 125 while (*regs > 0) { 126 int err, count = 10; 127 do { 128 err = i2c_smbus_write_byte_data(i2c->client, 129 regs[0], regs[1]); 130 if (err >= 0) 131 break; 132 DBG("(W) i2c error %d\n", err); 133 mdelay(10); 134 } while (count--); 135 if (err < 0) 136 return -ENXIO; 137 regs += 2; 138 } 139 return 0; 140 } 141 142 143 static int tumbler_init_client(struct pmac_keywest *i2c) 144 { 145 static unsigned int regs[] = { 146 /* normal operation, SCLK=64fps, i2s output, i2s input, 16bit width */ 147 TAS_REG_MCS, (1<<6)|(2<<4)|(2<<2)|0, 148 0, /* terminator */ 149 }; 150 DBG("(I) tumbler init client\n"); 151 return send_init_client(i2c, regs); 152 } 153 154 static int snapper_init_client(struct pmac_keywest *i2c) 155 { 156 static unsigned int regs[] = { 157 /* normal operation, SCLK=64fps, i2s output, 16bit width */ 158 TAS_REG_MCS, (1<<6)|(2<<4)|0, 159 /* normal operation, all-pass mode */ 160 TAS_REG_MCS2, (1<<1), 161 /* normal output, no deemphasis, A input, power-up, line-in */ 162 TAS_REG_ACS, 0, 163 0, /* terminator */ 164 }; 165 DBG("(I) snapper init client\n"); 166 return send_init_client(i2c, regs); 167 } 168 169 /* 170 * gpio access 171 */ 172 #define do_gpio_write(gp, val) \ 173 pmac_call_feature(PMAC_FTR_WRITE_GPIO, NULL, (gp)->addr, val) 174 #define do_gpio_read(gp) \ 175 pmac_call_feature(PMAC_FTR_READ_GPIO, NULL, (gp)->addr, 0) 176 #define tumbler_gpio_free(gp) /* NOP */ 177 178 static void write_audio_gpio(struct pmac_gpio *gp, int active) 179 { 180 if (! gp->addr) 181 return; 182 active = active ? gp->active_val : gp->inactive_val; 183 do_gpio_write(gp, active); 184 DBG("(I) gpio %x write %d\n", gp->addr, active); 185 } 186 187 static int check_audio_gpio(struct pmac_gpio *gp) 188 { 189 int ret; 190 191 if (! gp->addr) 192 return 0; 193 194 ret = do_gpio_read(gp); 195 196 return (ret & 0x1) == (gp->active_val & 0x1); 197 } 198 199 static int read_audio_gpio(struct pmac_gpio *gp) 200 { 201 int ret; 202 if (! gp->addr) 203 return 0; 204 ret = do_gpio_read(gp); 205 ret = (ret & 0x02) !=0; 206 return ret == gp->active_state; 207 } 208 209 /* 210 * update master volume 211 */ 212 static int tumbler_set_master_volume(struct pmac_tumbler *mix) 213 { 214 unsigned char block[6]; 215 unsigned int left_vol, right_vol; 216 217 if (! mix->i2c.client) 218 return -ENODEV; 219 220 if (! mix->master_switch[0]) 221 left_vol = 0; 222 else { 223 left_vol = mix->master_vol[0]; 224 if (left_vol >= ARRAY_SIZE(master_volume_table)) 225 left_vol = ARRAY_SIZE(master_volume_table) - 1; 226 left_vol = master_volume_table[left_vol]; 227 } 228 if (! mix->master_switch[1]) 229 right_vol = 0; 230 else { 231 right_vol = mix->master_vol[1]; 232 if (right_vol >= ARRAY_SIZE(master_volume_table)) 233 right_vol = ARRAY_SIZE(master_volume_table) - 1; 234 right_vol = master_volume_table[right_vol]; 235 } 236 237 block[0] = (left_vol >> 16) & 0xff; 238 block[1] = (left_vol >> 8) & 0xff; 239 block[2] = (left_vol >> 0) & 0xff; 240 241 block[3] = (right_vol >> 16) & 0xff; 242 block[4] = (right_vol >> 8) & 0xff; 243 block[5] = (right_vol >> 0) & 0xff; 244 245 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_VOL, 6, 246 block) < 0) { 247 snd_printk(KERN_ERR "failed to set volume \n"); 248 return -EINVAL; 249 } 250 DBG("(I) succeeded to set volume (%u, %u)\n", left_vol, right_vol); 251 return 0; 252 } 253 254 255 /* output volume */ 256 static int tumbler_info_master_volume(struct snd_kcontrol *kcontrol, 257 struct snd_ctl_elem_info *uinfo) 258 { 259 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 260 uinfo->count = 2; 261 uinfo->value.integer.min = 0; 262 uinfo->value.integer.max = ARRAY_SIZE(master_volume_table) - 1; 263 return 0; 264 } 265 266 static int tumbler_get_master_volume(struct snd_kcontrol *kcontrol, 267 struct snd_ctl_elem_value *ucontrol) 268 { 269 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 270 struct pmac_tumbler *mix = chip->mixer_data; 271 272 ucontrol->value.integer.value[0] = mix->master_vol[0]; 273 ucontrol->value.integer.value[1] = mix->master_vol[1]; 274 return 0; 275 } 276 277 static int tumbler_put_master_volume(struct snd_kcontrol *kcontrol, 278 struct snd_ctl_elem_value *ucontrol) 279 { 280 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 281 struct pmac_tumbler *mix = chip->mixer_data; 282 unsigned int vol[2]; 283 int change; 284 285 vol[0] = ucontrol->value.integer.value[0]; 286 vol[1] = ucontrol->value.integer.value[1]; 287 if (vol[0] >= ARRAY_SIZE(master_volume_table) || 288 vol[1] >= ARRAY_SIZE(master_volume_table)) 289 return -EINVAL; 290 change = mix->master_vol[0] != vol[0] || 291 mix->master_vol[1] != vol[1]; 292 if (change) { 293 mix->master_vol[0] = vol[0]; 294 mix->master_vol[1] = vol[1]; 295 tumbler_set_master_volume(mix); 296 } 297 return change; 298 } 299 300 /* output switch */ 301 static int tumbler_get_master_switch(struct snd_kcontrol *kcontrol, 302 struct snd_ctl_elem_value *ucontrol) 303 { 304 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 305 struct pmac_tumbler *mix = chip->mixer_data; 306 307 ucontrol->value.integer.value[0] = mix->master_switch[0]; 308 ucontrol->value.integer.value[1] = mix->master_switch[1]; 309 return 0; 310 } 311 312 static int tumbler_put_master_switch(struct snd_kcontrol *kcontrol, 313 struct snd_ctl_elem_value *ucontrol) 314 { 315 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 316 struct pmac_tumbler *mix = chip->mixer_data; 317 int change; 318 319 change = mix->master_switch[0] != ucontrol->value.integer.value[0] || 320 mix->master_switch[1] != ucontrol->value.integer.value[1]; 321 if (change) { 322 mix->master_switch[0] = !!ucontrol->value.integer.value[0]; 323 mix->master_switch[1] = !!ucontrol->value.integer.value[1]; 324 tumbler_set_master_volume(mix); 325 } 326 return change; 327 } 328 329 330 /* 331 * TAS3001c dynamic range compression 332 */ 333 334 #define TAS3001_DRC_MAX 0x5f 335 336 static int tumbler_set_drc(struct pmac_tumbler *mix) 337 { 338 unsigned char val[2]; 339 340 if (! mix->i2c.client) 341 return -ENODEV; 342 343 if (mix->drc_enable) { 344 val[0] = 0xc1; /* enable, 3:1 compression */ 345 if (mix->drc_range > TAS3001_DRC_MAX) 346 val[1] = 0xf0; 347 else if (mix->drc_range < 0) 348 val[1] = 0x91; 349 else 350 val[1] = mix->drc_range + 0x91; 351 } else { 352 val[0] = 0; 353 val[1] = 0; 354 } 355 356 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_DRC, 357 2, val) < 0) { 358 snd_printk(KERN_ERR "failed to set DRC\n"); 359 return -EINVAL; 360 } 361 DBG("(I) succeeded to set DRC (%u, %u)\n", val[0], val[1]); 362 return 0; 363 } 364 365 /* 366 * TAS3004 367 */ 368 369 #define TAS3004_DRC_MAX 0xef 370 371 static int snapper_set_drc(struct pmac_tumbler *mix) 372 { 373 unsigned char val[6]; 374 375 if (! mix->i2c.client) 376 return -ENODEV; 377 378 if (mix->drc_enable) 379 val[0] = 0x50; /* 3:1 above threshold */ 380 else 381 val[0] = 0x51; /* disabled */ 382 val[1] = 0x02; /* 1:1 below threshold */ 383 if (mix->drc_range > 0xef) 384 val[2] = 0xef; 385 else if (mix->drc_range < 0) 386 val[2] = 0x00; 387 else 388 val[2] = mix->drc_range; 389 val[3] = 0xb0; 390 val[4] = 0x60; 391 val[5] = 0xa0; 392 393 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_DRC, 394 6, val) < 0) { 395 snd_printk(KERN_ERR "failed to set DRC\n"); 396 return -EINVAL; 397 } 398 DBG("(I) succeeded to set DRC (%u, %u)\n", val[0], val[1]); 399 return 0; 400 } 401 402 static int tumbler_info_drc_value(struct snd_kcontrol *kcontrol, 403 struct snd_ctl_elem_info *uinfo) 404 { 405 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 406 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 407 uinfo->count = 1; 408 uinfo->value.integer.min = 0; 409 uinfo->value.integer.max = 410 chip->model == PMAC_TUMBLER ? TAS3001_DRC_MAX : TAS3004_DRC_MAX; 411 return 0; 412 } 413 414 static int tumbler_get_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 if (! (mix = chip->mixer_data)) 420 return -ENODEV; 421 ucontrol->value.integer.value[0] = mix->drc_range; 422 return 0; 423 } 424 425 static int tumbler_put_drc_value(struct snd_kcontrol *kcontrol, 426 struct snd_ctl_elem_value *ucontrol) 427 { 428 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 429 struct pmac_tumbler *mix; 430 unsigned int val; 431 int change; 432 433 if (! (mix = chip->mixer_data)) 434 return -ENODEV; 435 val = ucontrol->value.integer.value[0]; 436 if (chip->model == PMAC_TUMBLER) { 437 if (val > TAS3001_DRC_MAX) 438 return -EINVAL; 439 } else { 440 if (val > TAS3004_DRC_MAX) 441 return -EINVAL; 442 } 443 change = mix->drc_range != val; 444 if (change) { 445 mix->drc_range = val; 446 if (chip->model == PMAC_TUMBLER) 447 tumbler_set_drc(mix); 448 else 449 snapper_set_drc(mix); 450 } 451 return change; 452 } 453 454 static int tumbler_get_drc_switch(struct snd_kcontrol *kcontrol, 455 struct snd_ctl_elem_value *ucontrol) 456 { 457 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 458 struct pmac_tumbler *mix; 459 if (! (mix = chip->mixer_data)) 460 return -ENODEV; 461 ucontrol->value.integer.value[0] = mix->drc_enable; 462 return 0; 463 } 464 465 static int tumbler_put_drc_switch(struct snd_kcontrol *kcontrol, 466 struct snd_ctl_elem_value *ucontrol) 467 { 468 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 469 struct pmac_tumbler *mix; 470 int change; 471 472 if (! (mix = chip->mixer_data)) 473 return -ENODEV; 474 change = mix->drc_enable != ucontrol->value.integer.value[0]; 475 if (change) { 476 mix->drc_enable = !!ucontrol->value.integer.value[0]; 477 if (chip->model == PMAC_TUMBLER) 478 tumbler_set_drc(mix); 479 else 480 snapper_set_drc(mix); 481 } 482 return change; 483 } 484 485 486 /* 487 * mono volumes 488 */ 489 490 struct tumbler_mono_vol { 491 int index; 492 int reg; 493 int bytes; 494 unsigned int max; 495 unsigned int *table; 496 }; 497 498 static int tumbler_set_mono_volume(struct pmac_tumbler *mix, 499 struct tumbler_mono_vol *info) 500 { 501 unsigned char block[4]; 502 unsigned int vol; 503 int i; 504 505 if (! mix->i2c.client) 506 return -ENODEV; 507 508 vol = mix->mono_vol[info->index]; 509 if (vol >= info->max) 510 vol = info->max - 1; 511 vol = info->table[vol]; 512 for (i = 0; i < info->bytes; i++) 513 block[i] = (vol >> ((info->bytes - i - 1) * 8)) & 0xff; 514 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, info->reg, 515 info->bytes, block) < 0) { 516 snd_printk(KERN_ERR "failed to set mono volume %d\n", 517 info->index); 518 return -EINVAL; 519 } 520 return 0; 521 } 522 523 static int tumbler_info_mono(struct snd_kcontrol *kcontrol, 524 struct snd_ctl_elem_info *uinfo) 525 { 526 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value; 527 528 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 529 uinfo->count = 1; 530 uinfo->value.integer.min = 0; 531 uinfo->value.integer.max = info->max - 1; 532 return 0; 533 } 534 535 static int tumbler_get_mono(struct snd_kcontrol *kcontrol, 536 struct snd_ctl_elem_value *ucontrol) 537 { 538 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value; 539 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 540 struct pmac_tumbler *mix; 541 if (! (mix = chip->mixer_data)) 542 return -ENODEV; 543 ucontrol->value.integer.value[0] = mix->mono_vol[info->index]; 544 return 0; 545 } 546 547 static int tumbler_put_mono(struct snd_kcontrol *kcontrol, 548 struct snd_ctl_elem_value *ucontrol) 549 { 550 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value; 551 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 552 struct pmac_tumbler *mix; 553 unsigned int vol; 554 int change; 555 556 if (! (mix = chip->mixer_data)) 557 return -ENODEV; 558 vol = ucontrol->value.integer.value[0]; 559 if (vol >= info->max) 560 return -EINVAL; 561 change = mix->mono_vol[info->index] != vol; 562 if (change) { 563 mix->mono_vol[info->index] = vol; 564 tumbler_set_mono_volume(mix, info); 565 } 566 return change; 567 } 568 569 /* TAS3001c mono volumes */ 570 static struct tumbler_mono_vol tumbler_pcm_vol_info = { 571 .index = VOL_IDX_PCM_MONO, 572 .reg = TAS_REG_PCM, 573 .bytes = 3, 574 .max = ARRAY_SIZE(mixer_volume_table), 575 .table = mixer_volume_table, 576 }; 577 578 static struct tumbler_mono_vol tumbler_bass_vol_info = { 579 .index = VOL_IDX_BASS, 580 .reg = TAS_REG_BASS, 581 .bytes = 1, 582 .max = ARRAY_SIZE(bass_volume_table), 583 .table = bass_volume_table, 584 }; 585 586 static struct tumbler_mono_vol tumbler_treble_vol_info = { 587 .index = VOL_IDX_TREBLE, 588 .reg = TAS_REG_TREBLE, 589 .bytes = 1, 590 .max = ARRAY_SIZE(treble_volume_table), 591 .table = treble_volume_table, 592 }; 593 594 /* TAS3004 mono volumes */ 595 static struct tumbler_mono_vol snapper_bass_vol_info = { 596 .index = VOL_IDX_BASS, 597 .reg = TAS_REG_BASS, 598 .bytes = 1, 599 .max = ARRAY_SIZE(snapper_bass_volume_table), 600 .table = snapper_bass_volume_table, 601 }; 602 603 static struct tumbler_mono_vol snapper_treble_vol_info = { 604 .index = VOL_IDX_TREBLE, 605 .reg = TAS_REG_TREBLE, 606 .bytes = 1, 607 .max = ARRAY_SIZE(snapper_treble_volume_table), 608 .table = snapper_treble_volume_table, 609 }; 610 611 612 #define DEFINE_MONO(xname,type) { \ 613 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\ 614 .name = xname, \ 615 .info = tumbler_info_mono, \ 616 .get = tumbler_get_mono, \ 617 .put = tumbler_put_mono, \ 618 .private_value = (unsigned long)(&tumbler_##type##_vol_info), \ 619 } 620 621 #define DEFINE_SNAPPER_MONO(xname,type) { \ 622 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\ 623 .name = xname, \ 624 .info = tumbler_info_mono, \ 625 .get = tumbler_get_mono, \ 626 .put = tumbler_put_mono, \ 627 .private_value = (unsigned long)(&snapper_##type##_vol_info), \ 628 } 629 630 631 /* 632 * snapper mixer volumes 633 */ 634 635 static int snapper_set_mix_vol1(struct pmac_tumbler *mix, int idx, int ch, int reg) 636 { 637 int i, j, vol; 638 unsigned char block[9]; 639 640 vol = mix->mix_vol[idx][ch]; 641 if (vol >= ARRAY_SIZE(mixer_volume_table)) { 642 vol = ARRAY_SIZE(mixer_volume_table) - 1; 643 mix->mix_vol[idx][ch] = vol; 644 } 645 646 for (i = 0; i < 3; i++) { 647 vol = mix->mix_vol[i][ch]; 648 vol = mixer_volume_table[vol]; 649 for (j = 0; j < 3; j++) 650 block[i * 3 + j] = (vol >> ((2 - j) * 8)) & 0xff; 651 } 652 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, reg, 653 9, block) < 0) { 654 snd_printk(KERN_ERR "failed to set mono volume %d\n", reg); 655 return -EINVAL; 656 } 657 return 0; 658 } 659 660 static int snapper_set_mix_vol(struct pmac_tumbler *mix, int idx) 661 { 662 if (! mix->i2c.client) 663 return -ENODEV; 664 if (snapper_set_mix_vol1(mix, idx, 0, TAS_REG_LMIX) < 0 || 665 snapper_set_mix_vol1(mix, idx, 1, TAS_REG_RMIX) < 0) 666 return -EINVAL; 667 return 0; 668 } 669 670 static int snapper_info_mix(struct snd_kcontrol *kcontrol, 671 struct snd_ctl_elem_info *uinfo) 672 { 673 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 674 uinfo->count = 2; 675 uinfo->value.integer.min = 0; 676 uinfo->value.integer.max = ARRAY_SIZE(mixer_volume_table) - 1; 677 return 0; 678 } 679 680 static int snapper_get_mix(struct snd_kcontrol *kcontrol, 681 struct snd_ctl_elem_value *ucontrol) 682 { 683 int idx = (int)kcontrol->private_value; 684 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 685 struct pmac_tumbler *mix; 686 if (! (mix = chip->mixer_data)) 687 return -ENODEV; 688 ucontrol->value.integer.value[0] = mix->mix_vol[idx][0]; 689 ucontrol->value.integer.value[1] = mix->mix_vol[idx][1]; 690 return 0; 691 } 692 693 static int snapper_put_mix(struct snd_kcontrol *kcontrol, 694 struct snd_ctl_elem_value *ucontrol) 695 { 696 int idx = (int)kcontrol->private_value; 697 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 698 struct pmac_tumbler *mix; 699 unsigned int vol[2]; 700 int change; 701 702 if (! (mix = chip->mixer_data)) 703 return -ENODEV; 704 vol[0] = ucontrol->value.integer.value[0]; 705 vol[1] = ucontrol->value.integer.value[1]; 706 if (vol[0] >= ARRAY_SIZE(mixer_volume_table) || 707 vol[1] >= ARRAY_SIZE(mixer_volume_table)) 708 return -EINVAL; 709 change = mix->mix_vol[idx][0] != vol[0] || 710 mix->mix_vol[idx][1] != vol[1]; 711 if (change) { 712 mix->mix_vol[idx][0] = vol[0]; 713 mix->mix_vol[idx][1] = vol[1]; 714 snapper_set_mix_vol(mix, idx); 715 } 716 return change; 717 } 718 719 720 /* 721 * mute switches. FIXME: Turn that into software mute when both outputs are muted 722 * to avoid codec reset on ibook M7 723 */ 724 725 enum { TUMBLER_MUTE_HP, TUMBLER_MUTE_AMP, TUMBLER_MUTE_LINE }; 726 727 static int tumbler_get_mute_switch(struct snd_kcontrol *kcontrol, 728 struct snd_ctl_elem_value *ucontrol) 729 { 730 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 731 struct pmac_tumbler *mix; 732 struct pmac_gpio *gp; 733 if (! (mix = chip->mixer_data)) 734 return -ENODEV; 735 switch(kcontrol->private_value) { 736 case TUMBLER_MUTE_HP: 737 gp = &mix->hp_mute; break; 738 case TUMBLER_MUTE_AMP: 739 gp = &mix->amp_mute; break; 740 case TUMBLER_MUTE_LINE: 741 gp = &mix->line_mute; break; 742 default: 743 gp = NULL; 744 } 745 if (gp == NULL) 746 return -EINVAL; 747 ucontrol->value.integer.value[0] = !check_audio_gpio(gp); 748 return 0; 749 } 750 751 static int tumbler_put_mute_switch(struct snd_kcontrol *kcontrol, 752 struct snd_ctl_elem_value *ucontrol) 753 { 754 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 755 struct pmac_tumbler *mix; 756 struct pmac_gpio *gp; 757 int val; 758 #ifdef PMAC_SUPPORT_AUTOMUTE 759 if (chip->update_automute && chip->auto_mute) 760 return 0; /* don't touch in the auto-mute mode */ 761 #endif 762 if (! (mix = chip->mixer_data)) 763 return -ENODEV; 764 switch(kcontrol->private_value) { 765 case TUMBLER_MUTE_HP: 766 gp = &mix->hp_mute; break; 767 case TUMBLER_MUTE_AMP: 768 gp = &mix->amp_mute; break; 769 case TUMBLER_MUTE_LINE: 770 gp = &mix->line_mute; break; 771 default: 772 gp = NULL; 773 } 774 if (gp == NULL) 775 return -EINVAL; 776 val = ! check_audio_gpio(gp); 777 if (val != ucontrol->value.integer.value[0]) { 778 write_audio_gpio(gp, ! ucontrol->value.integer.value[0]); 779 return 1; 780 } 781 return 0; 782 } 783 784 static int snapper_set_capture_source(struct pmac_tumbler *mix) 785 { 786 if (! mix->i2c.client) 787 return -ENODEV; 788 if (mix->capture_source) 789 mix->acs |= 2; 790 else 791 mix->acs &= ~2; 792 return i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs); 793 } 794 795 static int snapper_info_capture_source(struct snd_kcontrol *kcontrol, 796 struct snd_ctl_elem_info *uinfo) 797 { 798 static char *texts[2] = { 799 "Line", "Mic" 800 }; 801 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 802 uinfo->count = 1; 803 uinfo->value.enumerated.items = 2; 804 if (uinfo->value.enumerated.item > 1) 805 uinfo->value.enumerated.item = 1; 806 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]); 807 return 0; 808 } 809 810 static int snapper_get_capture_source(struct snd_kcontrol *kcontrol, 811 struct snd_ctl_elem_value *ucontrol) 812 { 813 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 814 struct pmac_tumbler *mix = chip->mixer_data; 815 816 ucontrol->value.enumerated.item[0] = mix->capture_source; 817 return 0; 818 } 819 820 static int snapper_put_capture_source(struct snd_kcontrol *kcontrol, 821 struct snd_ctl_elem_value *ucontrol) 822 { 823 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 824 struct pmac_tumbler *mix = chip->mixer_data; 825 int change; 826 827 change = ucontrol->value.enumerated.item[0] != mix->capture_source; 828 if (change) { 829 mix->capture_source = !!ucontrol->value.enumerated.item[0]; 830 snapper_set_capture_source(mix); 831 } 832 return change; 833 } 834 835 #define DEFINE_SNAPPER_MIX(xname,idx,ofs) { \ 836 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\ 837 .name = xname, \ 838 .info = snapper_info_mix, \ 839 .get = snapper_get_mix, \ 840 .put = snapper_put_mix, \ 841 .index = idx,\ 842 .private_value = ofs, \ 843 } 844 845 846 /* 847 */ 848 static struct snd_kcontrol_new tumbler_mixers[] = { 849 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 850 .name = "Master Playback Volume", 851 .info = tumbler_info_master_volume, 852 .get = tumbler_get_master_volume, 853 .put = tumbler_put_master_volume 854 }, 855 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 856 .name = "Master Playback Switch", 857 .info = snd_pmac_boolean_stereo_info, 858 .get = tumbler_get_master_switch, 859 .put = tumbler_put_master_switch 860 }, 861 DEFINE_MONO("Tone Control - Bass", bass), 862 DEFINE_MONO("Tone Control - Treble", treble), 863 DEFINE_MONO("PCM Playback Volume", pcm), 864 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 865 .name = "DRC Range", 866 .info = tumbler_info_drc_value, 867 .get = tumbler_get_drc_value, 868 .put = tumbler_put_drc_value 869 }, 870 }; 871 872 static struct snd_kcontrol_new snapper_mixers[] = { 873 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 874 .name = "Master Playback Volume", 875 .info = tumbler_info_master_volume, 876 .get = tumbler_get_master_volume, 877 .put = tumbler_put_master_volume 878 }, 879 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 880 .name = "Master Playback Switch", 881 .info = snd_pmac_boolean_stereo_info, 882 .get = tumbler_get_master_switch, 883 .put = tumbler_put_master_switch 884 }, 885 DEFINE_SNAPPER_MIX("PCM Playback Volume", 0, VOL_IDX_PCM), 886 /* Alternative PCM is assigned to Mic analog loopback on iBook G4 */ 887 DEFINE_SNAPPER_MIX("Mic Playback Volume", 0, VOL_IDX_PCM2), 888 DEFINE_SNAPPER_MIX("Monitor Mix Volume", 0, VOL_IDX_ADC), 889 DEFINE_SNAPPER_MONO("Tone Control - Bass", bass), 890 DEFINE_SNAPPER_MONO("Tone Control - Treble", treble), 891 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 892 .name = "DRC Range", 893 .info = tumbler_info_drc_value, 894 .get = tumbler_get_drc_value, 895 .put = tumbler_put_drc_value 896 }, 897 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 898 .name = "Input Source", /* FIXME: "Capture Source" doesn't work properly */ 899 .info = snapper_info_capture_source, 900 .get = snapper_get_capture_source, 901 .put = snapper_put_capture_source 902 }, 903 }; 904 905 static struct snd_kcontrol_new tumbler_hp_sw = { 906 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 907 .name = "Headphone Playback Switch", 908 .info = snd_pmac_boolean_mono_info, 909 .get = tumbler_get_mute_switch, 910 .put = tumbler_put_mute_switch, 911 .private_value = TUMBLER_MUTE_HP, 912 }; 913 static struct snd_kcontrol_new tumbler_speaker_sw = { 914 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 915 .name = "Speaker Playback Switch", 916 .info = snd_pmac_boolean_mono_info, 917 .get = tumbler_get_mute_switch, 918 .put = tumbler_put_mute_switch, 919 .private_value = TUMBLER_MUTE_AMP, 920 }; 921 static struct snd_kcontrol_new tumbler_lineout_sw = { 922 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 923 .name = "Line Out Playback Switch", 924 .info = snd_pmac_boolean_mono_info, 925 .get = tumbler_get_mute_switch, 926 .put = tumbler_put_mute_switch, 927 .private_value = TUMBLER_MUTE_LINE, 928 }; 929 static struct snd_kcontrol_new tumbler_drc_sw = { 930 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 931 .name = "DRC Switch", 932 .info = snd_pmac_boolean_mono_info, 933 .get = tumbler_get_drc_switch, 934 .put = tumbler_put_drc_switch 935 }; 936 937 938 #ifdef PMAC_SUPPORT_AUTOMUTE 939 /* 940 * auto-mute stuffs 941 */ 942 static int tumbler_detect_headphone(struct snd_pmac *chip) 943 { 944 struct pmac_tumbler *mix = chip->mixer_data; 945 int detect = 0; 946 947 if (mix->hp_detect.addr) 948 detect |= read_audio_gpio(&mix->hp_detect); 949 return detect; 950 } 951 952 static int tumbler_detect_lineout(struct snd_pmac *chip) 953 { 954 struct pmac_tumbler *mix = chip->mixer_data; 955 int detect = 0; 956 957 if (mix->line_detect.addr) 958 detect |= read_audio_gpio(&mix->line_detect); 959 return detect; 960 } 961 962 static void check_mute(struct snd_pmac *chip, struct pmac_gpio *gp, int val, int do_notify, 963 struct snd_kcontrol *sw) 964 { 965 if (check_audio_gpio(gp) != val) { 966 write_audio_gpio(gp, val); 967 if (do_notify) 968 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, 969 &sw->id); 970 } 971 } 972 973 static struct work_struct device_change; 974 static struct snd_pmac *device_change_chip; 975 976 static void device_change_handler(struct work_struct *work) 977 { 978 struct snd_pmac *chip = device_change_chip; 979 struct pmac_tumbler *mix; 980 int headphone, lineout; 981 982 if (!chip) 983 return; 984 985 mix = chip->mixer_data; 986 if (snd_BUG_ON(!mix)) 987 return; 988 989 headphone = tumbler_detect_headphone(chip); 990 lineout = tumbler_detect_lineout(chip); 991 992 DBG("headphone: %d, lineout: %d\n", headphone, lineout); 993 994 if (headphone || lineout) { 995 /* unmute headphone/lineout & mute speaker */ 996 if (headphone) 997 check_mute(chip, &mix->hp_mute, 0, mix->auto_mute_notify, 998 chip->master_sw_ctl); 999 if (lineout && mix->line_mute.addr != 0) 1000 check_mute(chip, &mix->line_mute, 0, mix->auto_mute_notify, 1001 chip->lineout_sw_ctl); 1002 if (mix->anded_reset) 1003 msleep(10); 1004 check_mute(chip, &mix->amp_mute, !IS_G4DA, mix->auto_mute_notify, 1005 chip->speaker_sw_ctl); 1006 } else { 1007 /* unmute speaker, mute others */ 1008 check_mute(chip, &mix->amp_mute, 0, mix->auto_mute_notify, 1009 chip->speaker_sw_ctl); 1010 if (mix->anded_reset) 1011 msleep(10); 1012 check_mute(chip, &mix->hp_mute, 1, mix->auto_mute_notify, 1013 chip->master_sw_ctl); 1014 if (mix->line_mute.addr != 0) 1015 check_mute(chip, &mix->line_mute, 1, mix->auto_mute_notify, 1016 chip->lineout_sw_ctl); 1017 } 1018 if (mix->auto_mute_notify) 1019 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, 1020 &chip->hp_detect_ctl->id); 1021 1022 #ifdef CONFIG_SND_POWERMAC_AUTO_DRC 1023 mix->drc_enable = ! (headphone || lineout); 1024 if (mix->auto_mute_notify) 1025 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, 1026 &chip->drc_sw_ctl->id); 1027 if (chip->model == PMAC_TUMBLER) 1028 tumbler_set_drc(mix); 1029 else 1030 snapper_set_drc(mix); 1031 #endif 1032 1033 /* reset the master volume so the correct amplification is applied */ 1034 tumbler_set_master_volume(mix); 1035 } 1036 1037 static void tumbler_update_automute(struct snd_pmac *chip, int do_notify) 1038 { 1039 if (chip->auto_mute) { 1040 struct pmac_tumbler *mix; 1041 mix = chip->mixer_data; 1042 if (snd_BUG_ON(!mix)) 1043 return; 1044 mix->auto_mute_notify = do_notify; 1045 schedule_work(&device_change); 1046 } 1047 } 1048 #endif /* PMAC_SUPPORT_AUTOMUTE */ 1049 1050 1051 /* interrupt - headphone plug changed */ 1052 static irqreturn_t headphone_intr(int irq, void *devid) 1053 { 1054 struct snd_pmac *chip = devid; 1055 if (chip->update_automute && chip->initialized) { 1056 chip->update_automute(chip, 1); 1057 return IRQ_HANDLED; 1058 } 1059 return IRQ_NONE; 1060 } 1061 1062 /* look for audio-gpio device */ 1063 static struct device_node *find_audio_device(const char *name) 1064 { 1065 struct device_node *gpiop; 1066 struct device_node *np; 1067 1068 gpiop = of_find_node_by_name(NULL, "gpio"); 1069 if (! gpiop) 1070 return NULL; 1071 1072 for (np = of_get_next_child(gpiop, NULL); np; 1073 np = of_get_next_child(gpiop, np)) { 1074 const char *property = of_get_property(np, "audio-gpio", NULL); 1075 if (property && strcmp(property, name) == 0) 1076 break; 1077 } 1078 of_node_put(gpiop); 1079 return np; 1080 } 1081 1082 /* look for audio-gpio device */ 1083 static struct device_node *find_compatible_audio_device(const char *name) 1084 { 1085 struct device_node *gpiop; 1086 struct device_node *np; 1087 1088 gpiop = of_find_node_by_name(NULL, "gpio"); 1089 if (!gpiop) 1090 return NULL; 1091 1092 for (np = of_get_next_child(gpiop, NULL); np; 1093 np = of_get_next_child(gpiop, np)) { 1094 if (of_device_is_compatible(np, name)) 1095 break; 1096 } 1097 of_node_put(gpiop); 1098 return np; 1099 } 1100 1101 /* find an audio device and get its address */ 1102 static long tumbler_find_device(const char *device, const char *platform, 1103 struct pmac_gpio *gp, int is_compatible) 1104 { 1105 struct device_node *node; 1106 const u32 *base; 1107 u32 addr; 1108 long ret; 1109 1110 if (is_compatible) 1111 node = find_compatible_audio_device(device); 1112 else 1113 node = find_audio_device(device); 1114 if (! node) { 1115 DBG("(W) cannot find audio device %s !\n", device); 1116 snd_printdd("cannot find device %s\n", device); 1117 return -ENODEV; 1118 } 1119 1120 base = of_get_property(node, "AAPL,address", NULL); 1121 if (! base) { 1122 base = of_get_property(node, "reg", NULL); 1123 if (!base) { 1124 DBG("(E) cannot find address for device %s !\n", device); 1125 snd_printd("cannot find address for device %s\n", device); 1126 of_node_put(node); 1127 return -ENODEV; 1128 } 1129 addr = *base; 1130 if (addr < 0x50) 1131 addr += 0x50; 1132 } else 1133 addr = *base; 1134 1135 gp->addr = addr & 0x0000ffff; 1136 /* Try to find the active state, default to 0 ! */ 1137 base = of_get_property(node, "audio-gpio-active-state", NULL); 1138 if (base) { 1139 gp->active_state = *base; 1140 gp->active_val = (*base) ? 0x5 : 0x4; 1141 gp->inactive_val = (*base) ? 0x4 : 0x5; 1142 } else { 1143 const u32 *prop = NULL; 1144 gp->active_state = IS_G4DA 1145 && !strncmp(device, "keywest-gpio1", 13); 1146 gp->active_val = 0x4; 1147 gp->inactive_val = 0x5; 1148 /* Here are some crude hacks to extract the GPIO polarity and 1149 * open collector informations out of the do-platform script 1150 * as we don't yet have an interpreter for these things 1151 */ 1152 if (platform) 1153 prop = of_get_property(node, platform, NULL); 1154 if (prop) { 1155 if (prop[3] == 0x9 && prop[4] == 0x9) { 1156 gp->active_val = 0xd; 1157 gp->inactive_val = 0xc; 1158 } 1159 if (prop[3] == 0x1 && prop[4] == 0x1) { 1160 gp->active_val = 0x5; 1161 gp->inactive_val = 0x4; 1162 } 1163 } 1164 } 1165 1166 DBG("(I) GPIO device %s found, offset: %x, active state: %d !\n", 1167 device, gp->addr, gp->active_state); 1168 1169 ret = irq_of_parse_and_map(node, 0); 1170 of_node_put(node); 1171 return ret; 1172 } 1173 1174 /* reset audio */ 1175 static void tumbler_reset_audio(struct snd_pmac *chip) 1176 { 1177 struct pmac_tumbler *mix = chip->mixer_data; 1178 1179 if (mix->anded_reset) { 1180 DBG("(I) codec anded reset !\n"); 1181 write_audio_gpio(&mix->hp_mute, 0); 1182 write_audio_gpio(&mix->amp_mute, 0); 1183 msleep(200); 1184 write_audio_gpio(&mix->hp_mute, 1); 1185 write_audio_gpio(&mix->amp_mute, 1); 1186 msleep(100); 1187 write_audio_gpio(&mix->hp_mute, 0); 1188 write_audio_gpio(&mix->amp_mute, 0); 1189 msleep(100); 1190 } else { 1191 DBG("(I) codec normal reset !\n"); 1192 1193 write_audio_gpio(&mix->audio_reset, 0); 1194 msleep(200); 1195 write_audio_gpio(&mix->audio_reset, 1); 1196 msleep(100); 1197 write_audio_gpio(&mix->audio_reset, 0); 1198 msleep(100); 1199 } 1200 } 1201 1202 #ifdef CONFIG_PM 1203 /* suspend mixer */ 1204 static void tumbler_suspend(struct snd_pmac *chip) 1205 { 1206 struct pmac_tumbler *mix = chip->mixer_data; 1207 1208 if (mix->headphone_irq >= 0) 1209 disable_irq(mix->headphone_irq); 1210 if (mix->lineout_irq >= 0) 1211 disable_irq(mix->lineout_irq); 1212 mix->save_master_switch[0] = mix->master_switch[0]; 1213 mix->save_master_switch[1] = mix->master_switch[1]; 1214 mix->save_master_vol[0] = mix->master_vol[0]; 1215 mix->save_master_vol[1] = mix->master_vol[1]; 1216 mix->master_switch[0] = mix->master_switch[1] = 0; 1217 tumbler_set_master_volume(mix); 1218 if (!mix->anded_reset) { 1219 write_audio_gpio(&mix->amp_mute, 1); 1220 write_audio_gpio(&mix->hp_mute, 1); 1221 } 1222 if (chip->model == PMAC_SNAPPER) { 1223 mix->acs |= 1; 1224 i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs); 1225 } 1226 if (mix->anded_reset) { 1227 write_audio_gpio(&mix->amp_mute, 1); 1228 write_audio_gpio(&mix->hp_mute, 1); 1229 } else 1230 write_audio_gpio(&mix->audio_reset, 1); 1231 } 1232 1233 /* resume mixer */ 1234 static void tumbler_resume(struct snd_pmac *chip) 1235 { 1236 struct pmac_tumbler *mix = chip->mixer_data; 1237 1238 mix->acs &= ~1; 1239 mix->master_switch[0] = mix->save_master_switch[0]; 1240 mix->master_switch[1] = mix->save_master_switch[1]; 1241 mix->master_vol[0] = mix->save_master_vol[0]; 1242 mix->master_vol[1] = mix->save_master_vol[1]; 1243 tumbler_reset_audio(chip); 1244 if (mix->i2c.client && mix->i2c.init_client) { 1245 if (mix->i2c.init_client(&mix->i2c) < 0) 1246 printk(KERN_ERR "tumbler_init_client error\n"); 1247 } else 1248 printk(KERN_ERR "tumbler: i2c is not initialized\n"); 1249 if (chip->model == PMAC_TUMBLER) { 1250 tumbler_set_mono_volume(mix, &tumbler_pcm_vol_info); 1251 tumbler_set_mono_volume(mix, &tumbler_bass_vol_info); 1252 tumbler_set_mono_volume(mix, &tumbler_treble_vol_info); 1253 tumbler_set_drc(mix); 1254 } else { 1255 snapper_set_mix_vol(mix, VOL_IDX_PCM); 1256 snapper_set_mix_vol(mix, VOL_IDX_PCM2); 1257 snapper_set_mix_vol(mix, VOL_IDX_ADC); 1258 tumbler_set_mono_volume(mix, &snapper_bass_vol_info); 1259 tumbler_set_mono_volume(mix, &snapper_treble_vol_info); 1260 snapper_set_drc(mix); 1261 snapper_set_capture_source(mix); 1262 } 1263 tumbler_set_master_volume(mix); 1264 if (chip->update_automute) 1265 chip->update_automute(chip, 0); 1266 if (mix->headphone_irq >= 0) { 1267 unsigned char val; 1268 1269 enable_irq(mix->headphone_irq); 1270 /* activate headphone status interrupts */ 1271 val = do_gpio_read(&mix->hp_detect); 1272 do_gpio_write(&mix->hp_detect, val | 0x80); 1273 } 1274 if (mix->lineout_irq >= 0) 1275 enable_irq(mix->lineout_irq); 1276 } 1277 #endif 1278 1279 /* initialize tumbler */ 1280 static int tumbler_init(struct snd_pmac *chip) 1281 { 1282 int irq; 1283 struct pmac_tumbler *mix = chip->mixer_data; 1284 1285 if (tumbler_find_device("audio-hw-reset", 1286 "platform-do-hw-reset", 1287 &mix->audio_reset, 0) < 0) 1288 tumbler_find_device("hw-reset", 1289 "platform-do-hw-reset", 1290 &mix->audio_reset, 1); 1291 if (tumbler_find_device("amp-mute", 1292 "platform-do-amp-mute", 1293 &mix->amp_mute, 0) < 0) 1294 tumbler_find_device("amp-mute", 1295 "platform-do-amp-mute", 1296 &mix->amp_mute, 1); 1297 if (tumbler_find_device("headphone-mute", 1298 "platform-do-headphone-mute", 1299 &mix->hp_mute, 0) < 0) 1300 tumbler_find_device("headphone-mute", 1301 "platform-do-headphone-mute", 1302 &mix->hp_mute, 1); 1303 if (tumbler_find_device("line-output-mute", 1304 "platform-do-lineout-mute", 1305 &mix->line_mute, 0) < 0) 1306 tumbler_find_device("line-output-mute", 1307 "platform-do-lineout-mute", 1308 &mix->line_mute, 1); 1309 irq = tumbler_find_device("headphone-detect", 1310 NULL, &mix->hp_detect, 0); 1311 if (irq <= NO_IRQ) 1312 irq = tumbler_find_device("headphone-detect", 1313 NULL, &mix->hp_detect, 1); 1314 if (irq <= NO_IRQ) 1315 irq = tumbler_find_device("keywest-gpio15", 1316 NULL, &mix->hp_detect, 1); 1317 mix->headphone_irq = irq; 1318 irq = tumbler_find_device("line-output-detect", 1319 NULL, &mix->line_detect, 0); 1320 if (irq <= NO_IRQ) 1321 irq = tumbler_find_device("line-output-detect", 1322 NULL, &mix->line_detect, 1); 1323 if (IS_G4DA && irq <= NO_IRQ) 1324 irq = tumbler_find_device("keywest-gpio16", 1325 NULL, &mix->line_detect, 1); 1326 mix->lineout_irq = irq; 1327 1328 tumbler_reset_audio(chip); 1329 1330 return 0; 1331 } 1332 1333 static void tumbler_cleanup(struct snd_pmac *chip) 1334 { 1335 struct pmac_tumbler *mix = chip->mixer_data; 1336 if (! mix) 1337 return; 1338 1339 if (mix->headphone_irq >= 0) 1340 free_irq(mix->headphone_irq, chip); 1341 if (mix->lineout_irq >= 0) 1342 free_irq(mix->lineout_irq, chip); 1343 tumbler_gpio_free(&mix->audio_reset); 1344 tumbler_gpio_free(&mix->amp_mute); 1345 tumbler_gpio_free(&mix->hp_mute); 1346 tumbler_gpio_free(&mix->hp_detect); 1347 snd_pmac_keywest_cleanup(&mix->i2c); 1348 kfree(mix); 1349 chip->mixer_data = NULL; 1350 } 1351 1352 /* exported */ 1353 int snd_pmac_tumbler_init(struct snd_pmac *chip) 1354 { 1355 int i, err; 1356 struct pmac_tumbler *mix; 1357 const u32 *paddr; 1358 struct device_node *tas_node, *np; 1359 char *chipname; 1360 1361 request_module("i2c-powermac"); 1362 1363 mix = kzalloc(sizeof(*mix), GFP_KERNEL); 1364 if (! mix) 1365 return -ENOMEM; 1366 mix->headphone_irq = -1; 1367 1368 chip->mixer_data = mix; 1369 chip->mixer_free = tumbler_cleanup; 1370 mix->anded_reset = 0; 1371 mix->reset_on_sleep = 1; 1372 1373 for (np = chip->node->child; np; np = np->sibling) { 1374 if (!strcmp(np->name, "sound")) { 1375 if (of_get_property(np, "has-anded-reset", NULL)) 1376 mix->anded_reset = 1; 1377 if (of_get_property(np, "layout-id", NULL)) 1378 mix->reset_on_sleep = 0; 1379 break; 1380 } 1381 } 1382 if ((err = tumbler_init(chip)) < 0) 1383 return err; 1384 1385 /* set up TAS */ 1386 tas_node = of_find_node_by_name(NULL, "deq"); 1387 if (tas_node == NULL) 1388 tas_node = of_find_node_by_name(NULL, "codec"); 1389 if (tas_node == NULL) 1390 return -ENODEV; 1391 1392 paddr = of_get_property(tas_node, "i2c-address", NULL); 1393 if (paddr == NULL) 1394 paddr = of_get_property(tas_node, "reg", NULL); 1395 if (paddr) 1396 mix->i2c.addr = (*paddr) >> 1; 1397 else 1398 mix->i2c.addr = TAS_I2C_ADDR; 1399 of_node_put(tas_node); 1400 1401 DBG("(I) TAS i2c address is: %x\n", mix->i2c.addr); 1402 1403 if (chip->model == PMAC_TUMBLER) { 1404 mix->i2c.init_client = tumbler_init_client; 1405 mix->i2c.name = "TAS3001c"; 1406 chipname = "Tumbler"; 1407 } else { 1408 mix->i2c.init_client = snapper_init_client; 1409 mix->i2c.name = "TAS3004"; 1410 chipname = "Snapper"; 1411 } 1412 1413 if ((err = snd_pmac_keywest_init(&mix->i2c)) < 0) 1414 return err; 1415 1416 /* 1417 * build mixers 1418 */ 1419 sprintf(chip->card->mixername, "PowerMac %s", chipname); 1420 1421 if (chip->model == PMAC_TUMBLER) { 1422 for (i = 0; i < ARRAY_SIZE(tumbler_mixers); i++) { 1423 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&tumbler_mixers[i], chip))) < 0) 1424 return err; 1425 } 1426 } else { 1427 for (i = 0; i < ARRAY_SIZE(snapper_mixers); i++) { 1428 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snapper_mixers[i], chip))) < 0) 1429 return err; 1430 } 1431 } 1432 chip->master_sw_ctl = snd_ctl_new1(&tumbler_hp_sw, chip); 1433 if ((err = snd_ctl_add(chip->card, chip->master_sw_ctl)) < 0) 1434 return err; 1435 chip->speaker_sw_ctl = snd_ctl_new1(&tumbler_speaker_sw, chip); 1436 if ((err = snd_ctl_add(chip->card, chip->speaker_sw_ctl)) < 0) 1437 return err; 1438 if (mix->line_mute.addr != 0) { 1439 chip->lineout_sw_ctl = snd_ctl_new1(&tumbler_lineout_sw, chip); 1440 if ((err = snd_ctl_add(chip->card, chip->lineout_sw_ctl)) < 0) 1441 return err; 1442 } 1443 chip->drc_sw_ctl = snd_ctl_new1(&tumbler_drc_sw, chip); 1444 if ((err = snd_ctl_add(chip->card, chip->drc_sw_ctl)) < 0) 1445 return err; 1446 1447 /* set initial DRC range to 60% */ 1448 if (chip->model == PMAC_TUMBLER) 1449 mix->drc_range = (TAS3001_DRC_MAX * 6) / 10; 1450 else 1451 mix->drc_range = (TAS3004_DRC_MAX * 6) / 10; 1452 mix->drc_enable = 1; /* will be changed later if AUTO_DRC is set */ 1453 if (chip->model == PMAC_TUMBLER) 1454 tumbler_set_drc(mix); 1455 else 1456 snapper_set_drc(mix); 1457 1458 #ifdef CONFIG_PM 1459 chip->suspend = tumbler_suspend; 1460 chip->resume = tumbler_resume; 1461 #endif 1462 1463 INIT_WORK(&device_change, device_change_handler); 1464 device_change_chip = chip; 1465 1466 #ifdef PMAC_SUPPORT_AUTOMUTE 1467 if ((mix->headphone_irq >=0 || mix->lineout_irq >= 0) 1468 && (err = snd_pmac_add_automute(chip)) < 0) 1469 return err; 1470 chip->detect_headphone = tumbler_detect_headphone; 1471 chip->update_automute = tumbler_update_automute; 1472 tumbler_update_automute(chip, 0); /* update the status only */ 1473 1474 /* activate headphone status interrupts */ 1475 if (mix->headphone_irq >= 0) { 1476 unsigned char val; 1477 if ((err = request_irq(mix->headphone_irq, headphone_intr, 0, 1478 "Sound Headphone Detection", chip)) < 0) 1479 return 0; 1480 /* activate headphone status interrupts */ 1481 val = do_gpio_read(&mix->hp_detect); 1482 do_gpio_write(&mix->hp_detect, val | 0x80); 1483 } 1484 if (mix->lineout_irq >= 0) { 1485 unsigned char val; 1486 if ((err = request_irq(mix->lineout_irq, headphone_intr, 0, 1487 "Sound Lineout Detection", chip)) < 0) 1488 return 0; 1489 /* activate headphone status interrupts */ 1490 val = do_gpio_read(&mix->line_detect); 1491 do_gpio_write(&mix->line_detect, val | 0x80); 1492 } 1493 #endif 1494 1495 return 0; 1496 } 1497