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 <linux/io.h> 36 #include <sound/core.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 const char * const texts[2] = { 799 "Line", "Mic" 800 }; 801 802 return snd_ctl_enum_info(uinfo, 1, 2, texts); 803 } 804 805 static int snapper_get_capture_source(struct snd_kcontrol *kcontrol, 806 struct snd_ctl_elem_value *ucontrol) 807 { 808 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 809 struct pmac_tumbler *mix = chip->mixer_data; 810 811 ucontrol->value.enumerated.item[0] = mix->capture_source; 812 return 0; 813 } 814 815 static int snapper_put_capture_source(struct snd_kcontrol *kcontrol, 816 struct snd_ctl_elem_value *ucontrol) 817 { 818 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 819 struct pmac_tumbler *mix = chip->mixer_data; 820 int change; 821 822 change = ucontrol->value.enumerated.item[0] != mix->capture_source; 823 if (change) { 824 mix->capture_source = !!ucontrol->value.enumerated.item[0]; 825 snapper_set_capture_source(mix); 826 } 827 return change; 828 } 829 830 #define DEFINE_SNAPPER_MIX(xname,idx,ofs) { \ 831 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\ 832 .name = xname, \ 833 .info = snapper_info_mix, \ 834 .get = snapper_get_mix, \ 835 .put = snapper_put_mix, \ 836 .index = idx,\ 837 .private_value = ofs, \ 838 } 839 840 841 /* 842 */ 843 static struct snd_kcontrol_new tumbler_mixers[] = { 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_MONO("Tone Control - Bass", bass), 857 DEFINE_MONO("Tone Control - Treble", treble), 858 DEFINE_MONO("PCM Playback Volume", pcm), 859 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 860 .name = "DRC Range", 861 .info = tumbler_info_drc_value, 862 .get = tumbler_get_drc_value, 863 .put = tumbler_put_drc_value 864 }, 865 }; 866 867 static struct snd_kcontrol_new snapper_mixers[] = { 868 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 869 .name = "Master Playback Volume", 870 .info = tumbler_info_master_volume, 871 .get = tumbler_get_master_volume, 872 .put = tumbler_put_master_volume 873 }, 874 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 875 .name = "Master Playback Switch", 876 .info = snd_pmac_boolean_stereo_info, 877 .get = tumbler_get_master_switch, 878 .put = tumbler_put_master_switch 879 }, 880 DEFINE_SNAPPER_MIX("PCM Playback Volume", 0, VOL_IDX_PCM), 881 /* Alternative PCM is assigned to Mic analog loopback on iBook G4 */ 882 DEFINE_SNAPPER_MIX("Mic Playback Volume", 0, VOL_IDX_PCM2), 883 DEFINE_SNAPPER_MIX("Monitor Mix Volume", 0, VOL_IDX_ADC), 884 DEFINE_SNAPPER_MONO("Tone Control - Bass", bass), 885 DEFINE_SNAPPER_MONO("Tone Control - Treble", treble), 886 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 887 .name = "DRC Range", 888 .info = tumbler_info_drc_value, 889 .get = tumbler_get_drc_value, 890 .put = tumbler_put_drc_value 891 }, 892 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 893 .name = "Input Source", /* FIXME: "Capture Source" doesn't work properly */ 894 .info = snapper_info_capture_source, 895 .get = snapper_get_capture_source, 896 .put = snapper_put_capture_source 897 }, 898 }; 899 900 static const struct snd_kcontrol_new tumbler_hp_sw = { 901 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 902 .name = "Headphone Playback Switch", 903 .info = snd_pmac_boolean_mono_info, 904 .get = tumbler_get_mute_switch, 905 .put = tumbler_put_mute_switch, 906 .private_value = TUMBLER_MUTE_HP, 907 }; 908 static const struct snd_kcontrol_new tumbler_speaker_sw = { 909 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 910 .name = "Speaker Playback Switch", 911 .info = snd_pmac_boolean_mono_info, 912 .get = tumbler_get_mute_switch, 913 .put = tumbler_put_mute_switch, 914 .private_value = TUMBLER_MUTE_AMP, 915 }; 916 static const struct snd_kcontrol_new tumbler_lineout_sw = { 917 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 918 .name = "Line Out Playback Switch", 919 .info = snd_pmac_boolean_mono_info, 920 .get = tumbler_get_mute_switch, 921 .put = tumbler_put_mute_switch, 922 .private_value = TUMBLER_MUTE_LINE, 923 }; 924 static const struct snd_kcontrol_new tumbler_drc_sw = { 925 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 926 .name = "DRC Switch", 927 .info = snd_pmac_boolean_mono_info, 928 .get = tumbler_get_drc_switch, 929 .put = tumbler_put_drc_switch 930 }; 931 932 933 #ifdef PMAC_SUPPORT_AUTOMUTE 934 /* 935 * auto-mute stuffs 936 */ 937 static int tumbler_detect_headphone(struct snd_pmac *chip) 938 { 939 struct pmac_tumbler *mix = chip->mixer_data; 940 int detect = 0; 941 942 if (mix->hp_detect.addr) 943 detect |= read_audio_gpio(&mix->hp_detect); 944 return detect; 945 } 946 947 static int tumbler_detect_lineout(struct snd_pmac *chip) 948 { 949 struct pmac_tumbler *mix = chip->mixer_data; 950 int detect = 0; 951 952 if (mix->line_detect.addr) 953 detect |= read_audio_gpio(&mix->line_detect); 954 return detect; 955 } 956 957 static void check_mute(struct snd_pmac *chip, struct pmac_gpio *gp, int val, int do_notify, 958 struct snd_kcontrol *sw) 959 { 960 if (check_audio_gpio(gp) != val) { 961 write_audio_gpio(gp, val); 962 if (do_notify) 963 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, 964 &sw->id); 965 } 966 } 967 968 static struct work_struct device_change; 969 static struct snd_pmac *device_change_chip; 970 971 static void device_change_handler(struct work_struct *work) 972 { 973 struct snd_pmac *chip = device_change_chip; 974 struct pmac_tumbler *mix; 975 int headphone, lineout; 976 977 if (!chip) 978 return; 979 980 mix = chip->mixer_data; 981 if (snd_BUG_ON(!mix)) 982 return; 983 984 headphone = tumbler_detect_headphone(chip); 985 lineout = tumbler_detect_lineout(chip); 986 987 DBG("headphone: %d, lineout: %d\n", headphone, lineout); 988 989 if (headphone || lineout) { 990 /* unmute headphone/lineout & mute speaker */ 991 if (headphone) 992 check_mute(chip, &mix->hp_mute, 0, mix->auto_mute_notify, 993 chip->master_sw_ctl); 994 if (lineout && mix->line_mute.addr != 0) 995 check_mute(chip, &mix->line_mute, 0, mix->auto_mute_notify, 996 chip->lineout_sw_ctl); 997 if (mix->anded_reset) 998 msleep(10); 999 check_mute(chip, &mix->amp_mute, !IS_G4DA, mix->auto_mute_notify, 1000 chip->speaker_sw_ctl); 1001 } else { 1002 /* unmute speaker, mute others */ 1003 check_mute(chip, &mix->amp_mute, 0, mix->auto_mute_notify, 1004 chip->speaker_sw_ctl); 1005 if (mix->anded_reset) 1006 msleep(10); 1007 check_mute(chip, &mix->hp_mute, 1, mix->auto_mute_notify, 1008 chip->master_sw_ctl); 1009 if (mix->line_mute.addr != 0) 1010 check_mute(chip, &mix->line_mute, 1, mix->auto_mute_notify, 1011 chip->lineout_sw_ctl); 1012 } 1013 if (mix->auto_mute_notify) 1014 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, 1015 &chip->hp_detect_ctl->id); 1016 1017 #ifdef CONFIG_SND_POWERMAC_AUTO_DRC 1018 mix->drc_enable = ! (headphone || lineout); 1019 if (mix->auto_mute_notify) 1020 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, 1021 &chip->drc_sw_ctl->id); 1022 if (chip->model == PMAC_TUMBLER) 1023 tumbler_set_drc(mix); 1024 else 1025 snapper_set_drc(mix); 1026 #endif 1027 1028 /* reset the master volume so the correct amplification is applied */ 1029 tumbler_set_master_volume(mix); 1030 } 1031 1032 static void tumbler_update_automute(struct snd_pmac *chip, int do_notify) 1033 { 1034 if (chip->auto_mute) { 1035 struct pmac_tumbler *mix; 1036 mix = chip->mixer_data; 1037 if (snd_BUG_ON(!mix)) 1038 return; 1039 mix->auto_mute_notify = do_notify; 1040 schedule_work(&device_change); 1041 } 1042 } 1043 #endif /* PMAC_SUPPORT_AUTOMUTE */ 1044 1045 1046 /* interrupt - headphone plug changed */ 1047 static irqreturn_t headphone_intr(int irq, void *devid) 1048 { 1049 struct snd_pmac *chip = devid; 1050 if (chip->update_automute && chip->initialized) { 1051 chip->update_automute(chip, 1); 1052 return IRQ_HANDLED; 1053 } 1054 return IRQ_NONE; 1055 } 1056 1057 /* look for audio-gpio device */ 1058 static struct device_node *find_audio_device(const char *name) 1059 { 1060 struct device_node *gpiop; 1061 struct device_node *np; 1062 1063 gpiop = of_find_node_by_name(NULL, "gpio"); 1064 if (! gpiop) 1065 return NULL; 1066 1067 for (np = of_get_next_child(gpiop, NULL); np; 1068 np = of_get_next_child(gpiop, np)) { 1069 const char *property = of_get_property(np, "audio-gpio", NULL); 1070 if (property && strcmp(property, name) == 0) 1071 break; 1072 } 1073 of_node_put(gpiop); 1074 return np; 1075 } 1076 1077 /* look for audio-gpio device */ 1078 static struct device_node *find_compatible_audio_device(const char *name) 1079 { 1080 struct device_node *gpiop; 1081 struct device_node *np; 1082 1083 gpiop = of_find_node_by_name(NULL, "gpio"); 1084 if (!gpiop) 1085 return NULL; 1086 1087 for (np = of_get_next_child(gpiop, NULL); np; 1088 np = of_get_next_child(gpiop, np)) { 1089 if (of_device_is_compatible(np, name)) 1090 break; 1091 } 1092 of_node_put(gpiop); 1093 return np; 1094 } 1095 1096 /* find an audio device and get its address */ 1097 static long tumbler_find_device(const char *device, const char *platform, 1098 struct pmac_gpio *gp, int is_compatible) 1099 { 1100 struct device_node *node; 1101 const u32 *base; 1102 u32 addr; 1103 long ret; 1104 1105 if (is_compatible) 1106 node = find_compatible_audio_device(device); 1107 else 1108 node = find_audio_device(device); 1109 if (! node) { 1110 DBG("(W) cannot find audio device %s !\n", device); 1111 snd_printdd("cannot find device %s\n", device); 1112 return -ENODEV; 1113 } 1114 1115 base = of_get_property(node, "AAPL,address", NULL); 1116 if (! base) { 1117 base = of_get_property(node, "reg", NULL); 1118 if (!base) { 1119 DBG("(E) cannot find address for device %s !\n", device); 1120 snd_printd("cannot find address for device %s\n", device); 1121 of_node_put(node); 1122 return -ENODEV; 1123 } 1124 addr = *base; 1125 if (addr < 0x50) 1126 addr += 0x50; 1127 } else 1128 addr = *base; 1129 1130 gp->addr = addr & 0x0000ffff; 1131 /* Try to find the active state, default to 0 ! */ 1132 base = of_get_property(node, "audio-gpio-active-state", NULL); 1133 if (base) { 1134 gp->active_state = *base; 1135 gp->active_val = (*base) ? 0x5 : 0x4; 1136 gp->inactive_val = (*base) ? 0x4 : 0x5; 1137 } else { 1138 const u32 *prop = NULL; 1139 gp->active_state = IS_G4DA 1140 && !strncmp(device, "keywest-gpio1", 13); 1141 gp->active_val = 0x4; 1142 gp->inactive_val = 0x5; 1143 /* Here are some crude hacks to extract the GPIO polarity and 1144 * open collector informations out of the do-platform script 1145 * as we don't yet have an interpreter for these things 1146 */ 1147 if (platform) 1148 prop = of_get_property(node, platform, NULL); 1149 if (prop) { 1150 if (prop[3] == 0x9 && prop[4] == 0x9) { 1151 gp->active_val = 0xd; 1152 gp->inactive_val = 0xc; 1153 } 1154 if (prop[3] == 0x1 && prop[4] == 0x1) { 1155 gp->active_val = 0x5; 1156 gp->inactive_val = 0x4; 1157 } 1158 } 1159 } 1160 1161 DBG("(I) GPIO device %s found, offset: %x, active state: %d !\n", 1162 device, gp->addr, gp->active_state); 1163 1164 ret = irq_of_parse_and_map(node, 0); 1165 of_node_put(node); 1166 return ret; 1167 } 1168 1169 /* reset audio */ 1170 static void tumbler_reset_audio(struct snd_pmac *chip) 1171 { 1172 struct pmac_tumbler *mix = chip->mixer_data; 1173 1174 if (mix->anded_reset) { 1175 DBG("(I) codec anded reset !\n"); 1176 write_audio_gpio(&mix->hp_mute, 0); 1177 write_audio_gpio(&mix->amp_mute, 0); 1178 msleep(200); 1179 write_audio_gpio(&mix->hp_mute, 1); 1180 write_audio_gpio(&mix->amp_mute, 1); 1181 msleep(100); 1182 write_audio_gpio(&mix->hp_mute, 0); 1183 write_audio_gpio(&mix->amp_mute, 0); 1184 msleep(100); 1185 } else { 1186 DBG("(I) codec normal reset !\n"); 1187 1188 write_audio_gpio(&mix->audio_reset, 0); 1189 msleep(200); 1190 write_audio_gpio(&mix->audio_reset, 1); 1191 msleep(100); 1192 write_audio_gpio(&mix->audio_reset, 0); 1193 msleep(100); 1194 } 1195 } 1196 1197 #ifdef CONFIG_PM 1198 /* suspend mixer */ 1199 static void tumbler_suspend(struct snd_pmac *chip) 1200 { 1201 struct pmac_tumbler *mix = chip->mixer_data; 1202 1203 if (mix->headphone_irq >= 0) 1204 disable_irq(mix->headphone_irq); 1205 if (mix->lineout_irq >= 0) 1206 disable_irq(mix->lineout_irq); 1207 mix->save_master_switch[0] = mix->master_switch[0]; 1208 mix->save_master_switch[1] = mix->master_switch[1]; 1209 mix->save_master_vol[0] = mix->master_vol[0]; 1210 mix->save_master_vol[1] = mix->master_vol[1]; 1211 mix->master_switch[0] = mix->master_switch[1] = 0; 1212 tumbler_set_master_volume(mix); 1213 if (!mix->anded_reset) { 1214 write_audio_gpio(&mix->amp_mute, 1); 1215 write_audio_gpio(&mix->hp_mute, 1); 1216 } 1217 if (chip->model == PMAC_SNAPPER) { 1218 mix->acs |= 1; 1219 i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs); 1220 } 1221 if (mix->anded_reset) { 1222 write_audio_gpio(&mix->amp_mute, 1); 1223 write_audio_gpio(&mix->hp_mute, 1); 1224 } else 1225 write_audio_gpio(&mix->audio_reset, 1); 1226 } 1227 1228 /* resume mixer */ 1229 static void tumbler_resume(struct snd_pmac *chip) 1230 { 1231 struct pmac_tumbler *mix = chip->mixer_data; 1232 1233 mix->acs &= ~1; 1234 mix->master_switch[0] = mix->save_master_switch[0]; 1235 mix->master_switch[1] = mix->save_master_switch[1]; 1236 mix->master_vol[0] = mix->save_master_vol[0]; 1237 mix->master_vol[1] = mix->save_master_vol[1]; 1238 tumbler_reset_audio(chip); 1239 if (mix->i2c.client && mix->i2c.init_client) { 1240 if (mix->i2c.init_client(&mix->i2c) < 0) 1241 printk(KERN_ERR "tumbler_init_client error\n"); 1242 } else 1243 printk(KERN_ERR "tumbler: i2c is not initialized\n"); 1244 if (chip->model == PMAC_TUMBLER) { 1245 tumbler_set_mono_volume(mix, &tumbler_pcm_vol_info); 1246 tumbler_set_mono_volume(mix, &tumbler_bass_vol_info); 1247 tumbler_set_mono_volume(mix, &tumbler_treble_vol_info); 1248 tumbler_set_drc(mix); 1249 } else { 1250 snapper_set_mix_vol(mix, VOL_IDX_PCM); 1251 snapper_set_mix_vol(mix, VOL_IDX_PCM2); 1252 snapper_set_mix_vol(mix, VOL_IDX_ADC); 1253 tumbler_set_mono_volume(mix, &snapper_bass_vol_info); 1254 tumbler_set_mono_volume(mix, &snapper_treble_vol_info); 1255 snapper_set_drc(mix); 1256 snapper_set_capture_source(mix); 1257 } 1258 tumbler_set_master_volume(mix); 1259 if (chip->update_automute) 1260 chip->update_automute(chip, 0); 1261 if (mix->headphone_irq >= 0) { 1262 unsigned char val; 1263 1264 enable_irq(mix->headphone_irq); 1265 /* activate headphone status interrupts */ 1266 val = do_gpio_read(&mix->hp_detect); 1267 do_gpio_write(&mix->hp_detect, val | 0x80); 1268 } 1269 if (mix->lineout_irq >= 0) 1270 enable_irq(mix->lineout_irq); 1271 } 1272 #endif 1273 1274 /* initialize tumbler */ 1275 static int tumbler_init(struct snd_pmac *chip) 1276 { 1277 int irq; 1278 struct pmac_tumbler *mix = chip->mixer_data; 1279 1280 if (tumbler_find_device("audio-hw-reset", 1281 "platform-do-hw-reset", 1282 &mix->audio_reset, 0) < 0) 1283 tumbler_find_device("hw-reset", 1284 "platform-do-hw-reset", 1285 &mix->audio_reset, 1); 1286 if (tumbler_find_device("amp-mute", 1287 "platform-do-amp-mute", 1288 &mix->amp_mute, 0) < 0) 1289 tumbler_find_device("amp-mute", 1290 "platform-do-amp-mute", 1291 &mix->amp_mute, 1); 1292 if (tumbler_find_device("headphone-mute", 1293 "platform-do-headphone-mute", 1294 &mix->hp_mute, 0) < 0) 1295 tumbler_find_device("headphone-mute", 1296 "platform-do-headphone-mute", 1297 &mix->hp_mute, 1); 1298 if (tumbler_find_device("line-output-mute", 1299 "platform-do-lineout-mute", 1300 &mix->line_mute, 0) < 0) 1301 tumbler_find_device("line-output-mute", 1302 "platform-do-lineout-mute", 1303 &mix->line_mute, 1); 1304 irq = tumbler_find_device("headphone-detect", 1305 NULL, &mix->hp_detect, 0); 1306 if (irq <= 0) 1307 irq = tumbler_find_device("headphone-detect", 1308 NULL, &mix->hp_detect, 1); 1309 if (irq <= 0) 1310 irq = tumbler_find_device("keywest-gpio15", 1311 NULL, &mix->hp_detect, 1); 1312 mix->headphone_irq = irq; 1313 irq = tumbler_find_device("line-output-detect", 1314 NULL, &mix->line_detect, 0); 1315 if (irq <= 0) 1316 irq = tumbler_find_device("line-output-detect", 1317 NULL, &mix->line_detect, 1); 1318 if (IS_G4DA && irq <= 0) 1319 irq = tumbler_find_device("keywest-gpio16", 1320 NULL, &mix->line_detect, 1); 1321 mix->lineout_irq = irq; 1322 1323 tumbler_reset_audio(chip); 1324 1325 return 0; 1326 } 1327 1328 static void tumbler_cleanup(struct snd_pmac *chip) 1329 { 1330 struct pmac_tumbler *mix = chip->mixer_data; 1331 if (! mix) 1332 return; 1333 1334 if (mix->headphone_irq >= 0) 1335 free_irq(mix->headphone_irq, chip); 1336 if (mix->lineout_irq >= 0) 1337 free_irq(mix->lineout_irq, chip); 1338 tumbler_gpio_free(&mix->audio_reset); 1339 tumbler_gpio_free(&mix->amp_mute); 1340 tumbler_gpio_free(&mix->hp_mute); 1341 tumbler_gpio_free(&mix->hp_detect); 1342 snd_pmac_keywest_cleanup(&mix->i2c); 1343 kfree(mix); 1344 chip->mixer_data = NULL; 1345 } 1346 1347 /* exported */ 1348 int snd_pmac_tumbler_init(struct snd_pmac *chip) 1349 { 1350 int i, err; 1351 struct pmac_tumbler *mix; 1352 const u32 *paddr; 1353 struct device_node *tas_node, *np; 1354 char *chipname; 1355 1356 request_module("i2c-powermac"); 1357 1358 mix = kzalloc(sizeof(*mix), GFP_KERNEL); 1359 if (! mix) 1360 return -ENOMEM; 1361 mix->headphone_irq = -1; 1362 1363 chip->mixer_data = mix; 1364 chip->mixer_free = tumbler_cleanup; 1365 mix->anded_reset = 0; 1366 mix->reset_on_sleep = 1; 1367 1368 for (np = chip->node->child; np; np = np->sibling) { 1369 if (!strcmp(np->name, "sound")) { 1370 if (of_get_property(np, "has-anded-reset", NULL)) 1371 mix->anded_reset = 1; 1372 if (of_get_property(np, "layout-id", NULL)) 1373 mix->reset_on_sleep = 0; 1374 break; 1375 } 1376 } 1377 if ((err = tumbler_init(chip)) < 0) 1378 return err; 1379 1380 /* set up TAS */ 1381 tas_node = of_find_node_by_name(NULL, "deq"); 1382 if (tas_node == NULL) 1383 tas_node = of_find_node_by_name(NULL, "codec"); 1384 if (tas_node == NULL) 1385 return -ENODEV; 1386 1387 paddr = of_get_property(tas_node, "i2c-address", NULL); 1388 if (paddr == NULL) 1389 paddr = of_get_property(tas_node, "reg", NULL); 1390 if (paddr) 1391 mix->i2c.addr = (*paddr) >> 1; 1392 else 1393 mix->i2c.addr = TAS_I2C_ADDR; 1394 of_node_put(tas_node); 1395 1396 DBG("(I) TAS i2c address is: %x\n", mix->i2c.addr); 1397 1398 if (chip->model == PMAC_TUMBLER) { 1399 mix->i2c.init_client = tumbler_init_client; 1400 mix->i2c.name = "TAS3001c"; 1401 chipname = "Tumbler"; 1402 } else { 1403 mix->i2c.init_client = snapper_init_client; 1404 mix->i2c.name = "TAS3004"; 1405 chipname = "Snapper"; 1406 } 1407 1408 if ((err = snd_pmac_keywest_init(&mix->i2c)) < 0) 1409 return err; 1410 1411 /* 1412 * build mixers 1413 */ 1414 sprintf(chip->card->mixername, "PowerMac %s", chipname); 1415 1416 if (chip->model == PMAC_TUMBLER) { 1417 for (i = 0; i < ARRAY_SIZE(tumbler_mixers); i++) { 1418 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&tumbler_mixers[i], chip))) < 0) 1419 return err; 1420 } 1421 } else { 1422 for (i = 0; i < ARRAY_SIZE(snapper_mixers); i++) { 1423 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snapper_mixers[i], chip))) < 0) 1424 return err; 1425 } 1426 } 1427 chip->master_sw_ctl = snd_ctl_new1(&tumbler_hp_sw, chip); 1428 if ((err = snd_ctl_add(chip->card, chip->master_sw_ctl)) < 0) 1429 return err; 1430 chip->speaker_sw_ctl = snd_ctl_new1(&tumbler_speaker_sw, chip); 1431 if ((err = snd_ctl_add(chip->card, chip->speaker_sw_ctl)) < 0) 1432 return err; 1433 if (mix->line_mute.addr != 0) { 1434 chip->lineout_sw_ctl = snd_ctl_new1(&tumbler_lineout_sw, chip); 1435 if ((err = snd_ctl_add(chip->card, chip->lineout_sw_ctl)) < 0) 1436 return err; 1437 } 1438 chip->drc_sw_ctl = snd_ctl_new1(&tumbler_drc_sw, chip); 1439 if ((err = snd_ctl_add(chip->card, chip->drc_sw_ctl)) < 0) 1440 return err; 1441 1442 /* set initial DRC range to 60% */ 1443 if (chip->model == PMAC_TUMBLER) 1444 mix->drc_range = (TAS3001_DRC_MAX * 6) / 10; 1445 else 1446 mix->drc_range = (TAS3004_DRC_MAX * 6) / 10; 1447 mix->drc_enable = 1; /* will be changed later if AUTO_DRC is set */ 1448 if (chip->model == PMAC_TUMBLER) 1449 tumbler_set_drc(mix); 1450 else 1451 snapper_set_drc(mix); 1452 1453 #ifdef CONFIG_PM 1454 chip->suspend = tumbler_suspend; 1455 chip->resume = tumbler_resume; 1456 #endif 1457 1458 INIT_WORK(&device_change, device_change_handler); 1459 device_change_chip = chip; 1460 1461 #ifdef PMAC_SUPPORT_AUTOMUTE 1462 if ((mix->headphone_irq >=0 || mix->lineout_irq >= 0) 1463 && (err = snd_pmac_add_automute(chip)) < 0) 1464 return err; 1465 chip->detect_headphone = tumbler_detect_headphone; 1466 chip->update_automute = tumbler_update_automute; 1467 tumbler_update_automute(chip, 0); /* update the status only */ 1468 1469 /* activate headphone status interrupts */ 1470 if (mix->headphone_irq >= 0) { 1471 unsigned char val; 1472 if ((err = request_irq(mix->headphone_irq, headphone_intr, 0, 1473 "Sound Headphone Detection", chip)) < 0) 1474 return 0; 1475 /* activate headphone status interrupts */ 1476 val = do_gpio_read(&mix->hp_detect); 1477 do_gpio_write(&mix->hp_detect, val | 0x80); 1478 } 1479 if (mix->lineout_irq >= 0) { 1480 unsigned char val; 1481 if ((err = request_irq(mix->lineout_irq, headphone_intr, 0, 1482 "Sound Lineout Detection", chip)) < 0) 1483 return 0; 1484 /* activate headphone status interrupts */ 1485 val = do_gpio_read(&mix->line_detect); 1486 do_gpio_write(&mix->line_detect, val | 0x80); 1487 } 1488 #endif 1489 1490 return 0; 1491 } 1492