1 /* 2 * PMac Tumbler/Snapper lowlevel functions 3 * 4 * Copyright (c) by Takashi Iwai <tiwai@suse.de> 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 19 * 20 * Rene Rebe <rene.rebe@gmx.net>: 21 * * update from shadow registers on wakeup and headphone plug 22 * * automatically toggle DRC on headphone plug 23 * 24 */ 25 26 27 #include <sound/driver.h> 28 #include <linux/init.h> 29 #include <linux/delay.h> 30 #include <linux/i2c.h> 31 #include <linux/i2c-dev.h> 32 #include <linux/kmod.h> 33 #include <linux/slab.h> 34 #include <linux/interrupt.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(fmt) 47 #else 48 #define DBG(fmt...) 49 #endif 50 51 /* i2c address for tumbler */ 52 #define TAS_I2C_ADDR 0x34 53 54 /* registers */ 55 #define TAS_REG_MCS 0x01 /* main control */ 56 #define TAS_REG_DRC 0x02 57 #define TAS_REG_VOL 0x04 58 #define TAS_REG_TREBLE 0x05 59 #define TAS_REG_BASS 0x06 60 #define TAS_REG_INPUT1 0x07 61 #define TAS_REG_INPUT2 0x08 62 63 /* tas3001c */ 64 #define TAS_REG_PCM TAS_REG_INPUT1 65 66 /* tas3004 */ 67 #define TAS_REG_LMIX TAS_REG_INPUT1 68 #define TAS_REG_RMIX TAS_REG_INPUT2 69 #define TAS_REG_MCS2 0x43 /* main control 2 */ 70 #define TAS_REG_ACS 0x40 /* analog control */ 71 72 /* mono volumes for tas3001c/tas3004 */ 73 enum { 74 VOL_IDX_PCM_MONO, /* tas3001c only */ 75 VOL_IDX_BASS, VOL_IDX_TREBLE, 76 VOL_IDX_LAST_MONO 77 }; 78 79 /* stereo volumes for tas3004 */ 80 enum { 81 VOL_IDX_PCM, VOL_IDX_PCM2, VOL_IDX_ADC, 82 VOL_IDX_LAST_MIX 83 }; 84 85 typedef struct pmac_gpio { 86 unsigned int addr; 87 u8 active_val; 88 u8 inactive_val; 89 u8 active_state; 90 } pmac_gpio_t; 91 92 typedef struct pmac_tumbler_t { 93 pmac_keywest_t i2c; 94 pmac_gpio_t audio_reset; 95 pmac_gpio_t amp_mute; 96 pmac_gpio_t line_mute; 97 pmac_gpio_t line_detect; 98 pmac_gpio_t hp_mute; 99 pmac_gpio_t hp_detect; 100 int headphone_irq; 101 int lineout_irq; 102 unsigned int save_master_vol[2]; 103 unsigned int master_vol[2]; 104 unsigned int save_master_switch[2]; 105 unsigned int master_switch[2]; 106 unsigned int mono_vol[VOL_IDX_LAST_MONO]; 107 unsigned int mix_vol[VOL_IDX_LAST_MIX][2]; /* stereo volumes for tas3004 */ 108 int drc_range; 109 int drc_enable; 110 int capture_source; 111 int anded_reset; 112 int auto_mute_notify; 113 int reset_on_sleep; 114 u8 acs; 115 } pmac_tumbler_t; 116 117 118 /* 119 */ 120 121 static int send_init_client(pmac_keywest_t *i2c, unsigned int *regs) 122 { 123 while (*regs > 0) { 124 int err, count = 10; 125 do { 126 err = i2c_smbus_write_byte_data(i2c->client, 127 regs[0], regs[1]); 128 if (err >= 0) 129 break; 130 DBG("(W) i2c error %d\n", err); 131 mdelay(10); 132 } while (count--); 133 if (err < 0) 134 return -ENXIO; 135 regs += 2; 136 } 137 return 0; 138 } 139 140 141 static int tumbler_init_client(pmac_keywest_t *i2c) 142 { 143 static unsigned int regs[] = { 144 /* normal operation, SCLK=64fps, i2s output, i2s input, 16bit width */ 145 TAS_REG_MCS, (1<<6)|(2<<4)|(2<<2)|0, 146 0, /* terminator */ 147 }; 148 DBG("(I) tumbler init client\n"); 149 return send_init_client(i2c, regs); 150 } 151 152 static int snapper_init_client(pmac_keywest_t *i2c) 153 { 154 static unsigned int regs[] = { 155 /* normal operation, SCLK=64fps, i2s output, 16bit width */ 156 TAS_REG_MCS, (1<<6)|(2<<4)|0, 157 /* normal operation, all-pass mode */ 158 TAS_REG_MCS2, (1<<1), 159 /* normal output, no deemphasis, A input, power-up, line-in */ 160 TAS_REG_ACS, 0, 161 0, /* terminator */ 162 }; 163 DBG("(I) snapper init client\n"); 164 return send_init_client(i2c, regs); 165 } 166 167 /* 168 * gpio access 169 */ 170 #define do_gpio_write(gp, val) \ 171 pmac_call_feature(PMAC_FTR_WRITE_GPIO, NULL, (gp)->addr, val) 172 #define do_gpio_read(gp) \ 173 pmac_call_feature(PMAC_FTR_READ_GPIO, NULL, (gp)->addr, 0) 174 #define tumbler_gpio_free(gp) /* NOP */ 175 176 static void write_audio_gpio(pmac_gpio_t *gp, int active) 177 { 178 if (! gp->addr) 179 return; 180 active = active ? gp->active_val : gp->inactive_val; 181 do_gpio_write(gp, active); 182 DBG("(I) gpio %x write %d\n", gp->addr, active); 183 } 184 185 static int check_audio_gpio(pmac_gpio_t *gp) 186 { 187 int ret; 188 189 if (! gp->addr) 190 return 0; 191 192 ret = do_gpio_read(gp); 193 194 return (ret & 0xd) == (gp->active_val & 0xd); 195 } 196 197 static int read_audio_gpio(pmac_gpio_t *gp) 198 { 199 int ret; 200 if (! gp->addr) 201 return 0; 202 ret = ((do_gpio_read(gp) & 0x02) !=0); 203 return ret == gp->active_state; 204 } 205 206 /* 207 * update master volume 208 */ 209 static int tumbler_set_master_volume(pmac_tumbler_t *mix) 210 { 211 unsigned char block[6]; 212 unsigned int left_vol, right_vol; 213 214 if (! mix->i2c.client) 215 return -ENODEV; 216 217 if (! mix->master_switch[0]) 218 left_vol = 0; 219 else { 220 left_vol = mix->master_vol[0]; 221 if (left_vol >= ARRAY_SIZE(master_volume_table)) 222 left_vol = ARRAY_SIZE(master_volume_table) - 1; 223 left_vol = master_volume_table[left_vol]; 224 } 225 if (! mix->master_switch[1]) 226 right_vol = 0; 227 else { 228 right_vol = mix->master_vol[1]; 229 if (right_vol >= ARRAY_SIZE(master_volume_table)) 230 right_vol = ARRAY_SIZE(master_volume_table) - 1; 231 right_vol = master_volume_table[right_vol]; 232 } 233 234 block[0] = (left_vol >> 16) & 0xff; 235 block[1] = (left_vol >> 8) & 0xff; 236 block[2] = (left_vol >> 0) & 0xff; 237 238 block[3] = (right_vol >> 16) & 0xff; 239 block[4] = (right_vol >> 8) & 0xff; 240 block[5] = (right_vol >> 0) & 0xff; 241 242 if (i2c_smbus_write_block_data(mix->i2c.client, TAS_REG_VOL, 243 6, block) < 0) { 244 snd_printk("failed to set volume \n"); 245 return -EINVAL; 246 } 247 return 0; 248 } 249 250 251 /* output volume */ 252 static int tumbler_info_master_volume(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo) 253 { 254 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 255 uinfo->count = 2; 256 uinfo->value.integer.min = 0; 257 uinfo->value.integer.max = ARRAY_SIZE(master_volume_table) - 1; 258 return 0; 259 } 260 261 static int tumbler_get_master_volume(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 262 { 263 pmac_t *chip = snd_kcontrol_chip(kcontrol); 264 pmac_tumbler_t *mix = chip->mixer_data; 265 snd_assert(mix, return -ENODEV); 266 ucontrol->value.integer.value[0] = mix->master_vol[0]; 267 ucontrol->value.integer.value[1] = mix->master_vol[1]; 268 return 0; 269 } 270 271 static int tumbler_put_master_volume(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 272 { 273 pmac_t *chip = snd_kcontrol_chip(kcontrol); 274 pmac_tumbler_t *mix = chip->mixer_data; 275 int change; 276 277 snd_assert(mix, return -ENODEV); 278 change = mix->master_vol[0] != ucontrol->value.integer.value[0] || 279 mix->master_vol[1] != ucontrol->value.integer.value[1]; 280 if (change) { 281 mix->master_vol[0] = ucontrol->value.integer.value[0]; 282 mix->master_vol[1] = ucontrol->value.integer.value[1]; 283 tumbler_set_master_volume(mix); 284 } 285 return change; 286 } 287 288 /* output switch */ 289 static int tumbler_get_master_switch(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 290 { 291 pmac_t *chip = snd_kcontrol_chip(kcontrol); 292 pmac_tumbler_t *mix = chip->mixer_data; 293 snd_assert(mix, return -ENODEV); 294 ucontrol->value.integer.value[0] = mix->master_switch[0]; 295 ucontrol->value.integer.value[1] = mix->master_switch[1]; 296 return 0; 297 } 298 299 static int tumbler_put_master_switch(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 300 { 301 pmac_t *chip = snd_kcontrol_chip(kcontrol); 302 pmac_tumbler_t *mix = chip->mixer_data; 303 int change; 304 305 snd_assert(mix, return -ENODEV); 306 change = mix->master_switch[0] != ucontrol->value.integer.value[0] || 307 mix->master_switch[1] != ucontrol->value.integer.value[1]; 308 if (change) { 309 mix->master_switch[0] = !!ucontrol->value.integer.value[0]; 310 mix->master_switch[1] = !!ucontrol->value.integer.value[1]; 311 tumbler_set_master_volume(mix); 312 } 313 return change; 314 } 315 316 317 /* 318 * TAS3001c dynamic range compression 319 */ 320 321 #define TAS3001_DRC_MAX 0x5f 322 323 static int tumbler_set_drc(pmac_tumbler_t *mix) 324 { 325 unsigned char val[2]; 326 327 if (! mix->i2c.client) 328 return -ENODEV; 329 330 if (mix->drc_enable) { 331 val[0] = 0xc1; /* enable, 3:1 compression */ 332 if (mix->drc_range > TAS3001_DRC_MAX) 333 val[1] = 0xf0; 334 else if (mix->drc_range < 0) 335 val[1] = 0x91; 336 else 337 val[1] = mix->drc_range + 0x91; 338 } else { 339 val[0] = 0; 340 val[1] = 0; 341 } 342 343 if (i2c_smbus_write_block_data(mix->i2c.client, TAS_REG_DRC, 344 2, val) < 0) { 345 snd_printk("failed to set DRC\n"); 346 return -EINVAL; 347 } 348 return 0; 349 } 350 351 /* 352 * TAS3004 353 */ 354 355 #define TAS3004_DRC_MAX 0xef 356 357 static int snapper_set_drc(pmac_tumbler_t *mix) 358 { 359 unsigned char val[6]; 360 361 if (! mix->i2c.client) 362 return -ENODEV; 363 364 if (mix->drc_enable) 365 val[0] = 0x50; /* 3:1 above threshold */ 366 else 367 val[0] = 0x51; /* disabled */ 368 val[1] = 0x02; /* 1:1 below threshold */ 369 if (mix->drc_range > 0xef) 370 val[2] = 0xef; 371 else if (mix->drc_range < 0) 372 val[2] = 0x00; 373 else 374 val[2] = mix->drc_range; 375 val[3] = 0xb0; 376 val[4] = 0x60; 377 val[5] = 0xa0; 378 379 if (i2c_smbus_write_block_data(mix->i2c.client, TAS_REG_DRC, 380 6, val) < 0) { 381 snd_printk("failed to set DRC\n"); 382 return -EINVAL; 383 } 384 return 0; 385 } 386 387 static int tumbler_info_drc_value(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo) 388 { 389 pmac_t *chip = snd_kcontrol_chip(kcontrol); 390 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 391 uinfo->count = 1; 392 uinfo->value.integer.min = 0; 393 uinfo->value.integer.max = 394 chip->model == PMAC_TUMBLER ? TAS3001_DRC_MAX : TAS3004_DRC_MAX; 395 return 0; 396 } 397 398 static int tumbler_get_drc_value(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 399 { 400 pmac_t *chip = snd_kcontrol_chip(kcontrol); 401 pmac_tumbler_t *mix; 402 if (! (mix = chip->mixer_data)) 403 return -ENODEV; 404 ucontrol->value.integer.value[0] = mix->drc_range; 405 return 0; 406 } 407 408 static int tumbler_put_drc_value(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 409 { 410 pmac_t *chip = snd_kcontrol_chip(kcontrol); 411 pmac_tumbler_t *mix; 412 int change; 413 414 if (! (mix = chip->mixer_data)) 415 return -ENODEV; 416 change = mix->drc_range != ucontrol->value.integer.value[0]; 417 if (change) { 418 mix->drc_range = ucontrol->value.integer.value[0]; 419 if (chip->model == PMAC_TUMBLER) 420 tumbler_set_drc(mix); 421 else 422 snapper_set_drc(mix); 423 } 424 return change; 425 } 426 427 static int tumbler_get_drc_switch(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 428 { 429 pmac_t *chip = snd_kcontrol_chip(kcontrol); 430 pmac_tumbler_t *mix; 431 if (! (mix = chip->mixer_data)) 432 return -ENODEV; 433 ucontrol->value.integer.value[0] = mix->drc_enable; 434 return 0; 435 } 436 437 static int tumbler_put_drc_switch(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 438 { 439 pmac_t *chip = snd_kcontrol_chip(kcontrol); 440 pmac_tumbler_t *mix; 441 int change; 442 443 if (! (mix = chip->mixer_data)) 444 return -ENODEV; 445 change = mix->drc_enable != ucontrol->value.integer.value[0]; 446 if (change) { 447 mix->drc_enable = !!ucontrol->value.integer.value[0]; 448 if (chip->model == PMAC_TUMBLER) 449 tumbler_set_drc(mix); 450 else 451 snapper_set_drc(mix); 452 } 453 return change; 454 } 455 456 457 /* 458 * mono volumes 459 */ 460 461 struct tumbler_mono_vol { 462 int index; 463 int reg; 464 int bytes; 465 unsigned int max; 466 unsigned int *table; 467 }; 468 469 static int tumbler_set_mono_volume(pmac_tumbler_t *mix, struct tumbler_mono_vol *info) 470 { 471 unsigned char block[4]; 472 unsigned int vol; 473 int i; 474 475 if (! mix->i2c.client) 476 return -ENODEV; 477 478 vol = mix->mono_vol[info->index]; 479 if (vol >= info->max) 480 vol = info->max - 1; 481 vol = info->table[vol]; 482 for (i = 0; i < info->bytes; i++) 483 block[i] = (vol >> ((info->bytes - i - 1) * 8)) & 0xff; 484 if (i2c_smbus_write_block_data(mix->i2c.client, info->reg, 485 info->bytes, block) < 0) { 486 snd_printk("failed to set mono volume %d\n", info->index); 487 return -EINVAL; 488 } 489 return 0; 490 } 491 492 static int tumbler_info_mono(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo) 493 { 494 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value; 495 496 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 497 uinfo->count = 1; 498 uinfo->value.integer.min = 0; 499 uinfo->value.integer.max = info->max - 1; 500 return 0; 501 } 502 503 static int tumbler_get_mono(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 504 { 505 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value; 506 pmac_t *chip = snd_kcontrol_chip(kcontrol); 507 pmac_tumbler_t *mix; 508 if (! (mix = chip->mixer_data)) 509 return -ENODEV; 510 ucontrol->value.integer.value[0] = mix->mono_vol[info->index]; 511 return 0; 512 } 513 514 static int tumbler_put_mono(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 515 { 516 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value; 517 pmac_t *chip = snd_kcontrol_chip(kcontrol); 518 pmac_tumbler_t *mix; 519 int change; 520 521 if (! (mix = chip->mixer_data)) 522 return -ENODEV; 523 change = mix->mono_vol[info->index] != ucontrol->value.integer.value[0]; 524 if (change) { 525 mix->mono_vol[info->index] = ucontrol->value.integer.value[0]; 526 tumbler_set_mono_volume(mix, info); 527 } 528 return change; 529 } 530 531 /* TAS3001c mono volumes */ 532 static struct tumbler_mono_vol tumbler_pcm_vol_info = { 533 .index = VOL_IDX_PCM_MONO, 534 .reg = TAS_REG_PCM, 535 .bytes = 3, 536 .max = ARRAY_SIZE(mixer_volume_table), 537 .table = mixer_volume_table, 538 }; 539 540 static struct tumbler_mono_vol tumbler_bass_vol_info = { 541 .index = VOL_IDX_BASS, 542 .reg = TAS_REG_BASS, 543 .bytes = 1, 544 .max = ARRAY_SIZE(bass_volume_table), 545 .table = bass_volume_table, 546 }; 547 548 static struct tumbler_mono_vol tumbler_treble_vol_info = { 549 .index = VOL_IDX_TREBLE, 550 .reg = TAS_REG_TREBLE, 551 .bytes = 1, 552 .max = ARRAY_SIZE(treble_volume_table), 553 .table = treble_volume_table, 554 }; 555 556 /* TAS3004 mono volumes */ 557 static struct tumbler_mono_vol snapper_bass_vol_info = { 558 .index = VOL_IDX_BASS, 559 .reg = TAS_REG_BASS, 560 .bytes = 1, 561 .max = ARRAY_SIZE(snapper_bass_volume_table), 562 .table = snapper_bass_volume_table, 563 }; 564 565 static struct tumbler_mono_vol snapper_treble_vol_info = { 566 .index = VOL_IDX_TREBLE, 567 .reg = TAS_REG_TREBLE, 568 .bytes = 1, 569 .max = ARRAY_SIZE(snapper_treble_volume_table), 570 .table = snapper_treble_volume_table, 571 }; 572 573 574 #define DEFINE_MONO(xname,type) { \ 575 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\ 576 .name = xname, \ 577 .info = tumbler_info_mono, \ 578 .get = tumbler_get_mono, \ 579 .put = tumbler_put_mono, \ 580 .private_value = (unsigned long)(&tumbler_##type##_vol_info), \ 581 } 582 583 #define DEFINE_SNAPPER_MONO(xname,type) { \ 584 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\ 585 .name = xname, \ 586 .info = tumbler_info_mono, \ 587 .get = tumbler_get_mono, \ 588 .put = tumbler_put_mono, \ 589 .private_value = (unsigned long)(&snapper_##type##_vol_info), \ 590 } 591 592 593 /* 594 * snapper mixer volumes 595 */ 596 597 static int snapper_set_mix_vol1(pmac_tumbler_t *mix, int idx, int ch, int reg) 598 { 599 int i, j, vol; 600 unsigned char block[9]; 601 602 vol = mix->mix_vol[idx][ch]; 603 if (vol >= ARRAY_SIZE(mixer_volume_table)) { 604 vol = ARRAY_SIZE(mixer_volume_table) - 1; 605 mix->mix_vol[idx][ch] = vol; 606 } 607 608 for (i = 0; i < 3; i++) { 609 vol = mix->mix_vol[i][ch]; 610 vol = mixer_volume_table[vol]; 611 for (j = 0; j < 3; j++) 612 block[i * 3 + j] = (vol >> ((2 - j) * 8)) & 0xff; 613 } 614 if (i2c_smbus_write_block_data(mix->i2c.client, reg, 9, block) < 0) { 615 snd_printk("failed to set mono volume %d\n", reg); 616 return -EINVAL; 617 } 618 return 0; 619 } 620 621 static int snapper_set_mix_vol(pmac_tumbler_t *mix, int idx) 622 { 623 if (! mix->i2c.client) 624 return -ENODEV; 625 if (snapper_set_mix_vol1(mix, idx, 0, TAS_REG_LMIX) < 0 || 626 snapper_set_mix_vol1(mix, idx, 1, TAS_REG_RMIX) < 0) 627 return -EINVAL; 628 return 0; 629 } 630 631 static int snapper_info_mix(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo) 632 { 633 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 634 uinfo->count = 2; 635 uinfo->value.integer.min = 0; 636 uinfo->value.integer.max = ARRAY_SIZE(mixer_volume_table) - 1; 637 return 0; 638 } 639 640 static int snapper_get_mix(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 641 { 642 int idx = (int)kcontrol->private_value; 643 pmac_t *chip = snd_kcontrol_chip(kcontrol); 644 pmac_tumbler_t *mix; 645 if (! (mix = chip->mixer_data)) 646 return -ENODEV; 647 ucontrol->value.integer.value[0] = mix->mix_vol[idx][0]; 648 ucontrol->value.integer.value[1] = mix->mix_vol[idx][1]; 649 return 0; 650 } 651 652 static int snapper_put_mix(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 653 { 654 int idx = (int)kcontrol->private_value; 655 pmac_t *chip = snd_kcontrol_chip(kcontrol); 656 pmac_tumbler_t *mix; 657 int change; 658 659 if (! (mix = chip->mixer_data)) 660 return -ENODEV; 661 change = mix->mix_vol[idx][0] != ucontrol->value.integer.value[0] || 662 mix->mix_vol[idx][1] != ucontrol->value.integer.value[1]; 663 if (change) { 664 mix->mix_vol[idx][0] = ucontrol->value.integer.value[0]; 665 mix->mix_vol[idx][1] = ucontrol->value.integer.value[1]; 666 snapper_set_mix_vol(mix, idx); 667 } 668 return change; 669 } 670 671 672 /* 673 * mute switches. FIXME: Turn that into software mute when both outputs are muted 674 * to avoid codec reset on ibook M7 675 */ 676 677 enum { TUMBLER_MUTE_HP, TUMBLER_MUTE_AMP, TUMBLER_MUTE_LINE }; 678 679 static int tumbler_get_mute_switch(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 680 { 681 pmac_t *chip = snd_kcontrol_chip(kcontrol); 682 pmac_tumbler_t *mix; 683 pmac_gpio_t *gp; 684 if (! (mix = chip->mixer_data)) 685 return -ENODEV; 686 switch(kcontrol->private_value) { 687 case TUMBLER_MUTE_HP: 688 gp = &mix->hp_mute; break; 689 case TUMBLER_MUTE_AMP: 690 gp = &mix->amp_mute; break; 691 case TUMBLER_MUTE_LINE: 692 gp = &mix->line_mute; break; 693 default: 694 gp = NULL; 695 } 696 if (gp == NULL) 697 return -EINVAL; 698 ucontrol->value.integer.value[0] = !check_audio_gpio(gp); 699 return 0; 700 } 701 702 static int tumbler_put_mute_switch(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 703 { 704 pmac_t *chip = snd_kcontrol_chip(kcontrol); 705 pmac_tumbler_t *mix; 706 pmac_gpio_t *gp; 707 int val; 708 #ifdef PMAC_SUPPORT_AUTOMUTE 709 if (chip->update_automute && chip->auto_mute) 710 return 0; /* don't touch in the auto-mute mode */ 711 #endif 712 if (! (mix = chip->mixer_data)) 713 return -ENODEV; 714 switch(kcontrol->private_value) { 715 case TUMBLER_MUTE_HP: 716 gp = &mix->hp_mute; break; 717 case TUMBLER_MUTE_AMP: 718 gp = &mix->amp_mute; break; 719 case TUMBLER_MUTE_LINE: 720 gp = &mix->line_mute; break; 721 default: 722 gp = NULL; 723 } 724 if (gp == NULL) 725 return -EINVAL; 726 val = ! check_audio_gpio(gp); 727 if (val != ucontrol->value.integer.value[0]) { 728 write_audio_gpio(gp, ! ucontrol->value.integer.value[0]); 729 return 1; 730 } 731 return 0; 732 } 733 734 static int snapper_set_capture_source(pmac_tumbler_t *mix) 735 { 736 if (! mix->i2c.client) 737 return -ENODEV; 738 if (mix->capture_source) 739 mix->acs = mix->acs |= 2; 740 else 741 mix->acs &= ~2; 742 return i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs); 743 } 744 745 static int snapper_info_capture_source(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo) 746 { 747 static char *texts[2] = { 748 "Line", "Mic" 749 }; 750 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 751 uinfo->count = 1; 752 uinfo->value.enumerated.items = 2; 753 if (uinfo->value.enumerated.item > 1) 754 uinfo->value.enumerated.item = 1; 755 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]); 756 return 0; 757 } 758 759 static int snapper_get_capture_source(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 760 { 761 pmac_t *chip = snd_kcontrol_chip(kcontrol); 762 pmac_tumbler_t *mix = chip->mixer_data; 763 764 snd_assert(mix, return -ENODEV); 765 ucontrol->value.integer.value[0] = mix->capture_source; 766 return 0; 767 } 768 769 static int snapper_put_capture_source(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 770 { 771 pmac_t *chip = snd_kcontrol_chip(kcontrol); 772 pmac_tumbler_t *mix = chip->mixer_data; 773 int change; 774 775 snd_assert(mix, return -ENODEV); 776 change = ucontrol->value.integer.value[0] != mix->capture_source; 777 if (change) { 778 mix->capture_source = !!ucontrol->value.integer.value[0]; 779 snapper_set_capture_source(mix); 780 } 781 return change; 782 } 783 784 #define DEFINE_SNAPPER_MIX(xname,idx,ofs) { \ 785 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\ 786 .name = xname, \ 787 .info = snapper_info_mix, \ 788 .get = snapper_get_mix, \ 789 .put = snapper_put_mix, \ 790 .index = idx,\ 791 .private_value = ofs, \ 792 } 793 794 795 /* 796 */ 797 static snd_kcontrol_new_t tumbler_mixers[] __initdata = { 798 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 799 .name = "Master Playback Volume", 800 .info = tumbler_info_master_volume, 801 .get = tumbler_get_master_volume, 802 .put = tumbler_put_master_volume 803 }, 804 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 805 .name = "Master Playback Switch", 806 .info = snd_pmac_boolean_stereo_info, 807 .get = tumbler_get_master_switch, 808 .put = tumbler_put_master_switch 809 }, 810 DEFINE_MONO("Tone Control - Bass", bass), 811 DEFINE_MONO("Tone Control - Treble", treble), 812 DEFINE_MONO("PCM Playback Volume", pcm), 813 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 814 .name = "DRC Range", 815 .info = tumbler_info_drc_value, 816 .get = tumbler_get_drc_value, 817 .put = tumbler_put_drc_value 818 }, 819 }; 820 821 static snd_kcontrol_new_t snapper_mixers[] __initdata = { 822 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 823 .name = "Master Playback Volume", 824 .info = tumbler_info_master_volume, 825 .get = tumbler_get_master_volume, 826 .put = tumbler_put_master_volume 827 }, 828 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 829 .name = "Master Playback Switch", 830 .info = snd_pmac_boolean_stereo_info, 831 .get = tumbler_get_master_switch, 832 .put = tumbler_put_master_switch 833 }, 834 DEFINE_SNAPPER_MIX("PCM Playback Volume", 0, VOL_IDX_PCM), 835 DEFINE_SNAPPER_MIX("PCM Playback Volume", 1, VOL_IDX_PCM2), 836 DEFINE_SNAPPER_MIX("Monitor Mix Volume", 0, VOL_IDX_ADC), 837 DEFINE_SNAPPER_MONO("Tone Control - Bass", bass), 838 DEFINE_SNAPPER_MONO("Tone Control - Treble", treble), 839 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 840 .name = "DRC Range", 841 .info = tumbler_info_drc_value, 842 .get = tumbler_get_drc_value, 843 .put = tumbler_put_drc_value 844 }, 845 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 846 .name = "Input Source", /* FIXME: "Capture Source" doesn't work properly */ 847 .info = snapper_info_capture_source, 848 .get = snapper_get_capture_source, 849 .put = snapper_put_capture_source 850 }, 851 }; 852 853 static snd_kcontrol_new_t tumbler_hp_sw __initdata = { 854 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 855 .name = "Headphone Playback Switch", 856 .info = snd_pmac_boolean_mono_info, 857 .get = tumbler_get_mute_switch, 858 .put = tumbler_put_mute_switch, 859 .private_value = TUMBLER_MUTE_HP, 860 }; 861 static snd_kcontrol_new_t tumbler_speaker_sw __initdata = { 862 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 863 .name = "PC Speaker Playback Switch", 864 .info = snd_pmac_boolean_mono_info, 865 .get = tumbler_get_mute_switch, 866 .put = tumbler_put_mute_switch, 867 .private_value = TUMBLER_MUTE_AMP, 868 }; 869 static snd_kcontrol_new_t tumbler_lineout_sw __initdata = { 870 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 871 .name = "Line Out Playback Switch", 872 .info = snd_pmac_boolean_mono_info, 873 .get = tumbler_get_mute_switch, 874 .put = tumbler_put_mute_switch, 875 .private_value = TUMBLER_MUTE_LINE, 876 }; 877 static snd_kcontrol_new_t tumbler_drc_sw __initdata = { 878 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 879 .name = "DRC Switch", 880 .info = snd_pmac_boolean_mono_info, 881 .get = tumbler_get_drc_switch, 882 .put = tumbler_put_drc_switch 883 }; 884 885 886 #ifdef PMAC_SUPPORT_AUTOMUTE 887 /* 888 * auto-mute stuffs 889 */ 890 static int tumbler_detect_headphone(pmac_t *chip) 891 { 892 pmac_tumbler_t *mix = chip->mixer_data; 893 int detect = 0; 894 895 if (mix->hp_detect.addr) 896 detect |= read_audio_gpio(&mix->hp_detect); 897 return detect; 898 } 899 900 static int tumbler_detect_lineout(pmac_t *chip) 901 { 902 pmac_tumbler_t *mix = chip->mixer_data; 903 int detect = 0; 904 905 if (mix->line_detect.addr) 906 detect |= read_audio_gpio(&mix->line_detect); 907 return detect; 908 } 909 910 static void check_mute(pmac_t *chip, pmac_gpio_t *gp, int val, int do_notify, snd_kcontrol_t *sw) 911 { 912 if (check_audio_gpio(gp) != val) { 913 write_audio_gpio(gp, val); 914 if (do_notify) 915 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, 916 &sw->id); 917 } 918 } 919 920 static struct work_struct device_change; 921 922 static void device_change_handler(void *self) 923 { 924 pmac_t *chip = (pmac_t*) self; 925 pmac_tumbler_t *mix; 926 int headphone, lineout; 927 928 if (!chip) 929 return; 930 931 mix = chip->mixer_data; 932 snd_assert(mix, return); 933 934 headphone = tumbler_detect_headphone(chip); 935 lineout = tumbler_detect_lineout(chip); 936 937 DBG("headphone: %d, lineout: %d\n", headphone, lineout); 938 939 if (headphone || lineout) { 940 /* unmute headphone/lineout & mute speaker */ 941 if (headphone) 942 check_mute(chip, &mix->hp_mute, 0, mix->auto_mute_notify, 943 chip->master_sw_ctl); 944 if (lineout && mix->line_mute.addr != 0) 945 check_mute(chip, &mix->line_mute, 0, mix->auto_mute_notify, 946 chip->lineout_sw_ctl); 947 if (mix->anded_reset) 948 msleep(10); 949 check_mute(chip, &mix->amp_mute, 1, mix->auto_mute_notify, 950 chip->speaker_sw_ctl); 951 mix->drc_enable = 0; 952 } else { 953 /* unmute speaker, mute others */ 954 check_mute(chip, &mix->amp_mute, 0, mix->auto_mute_notify, 955 chip->speaker_sw_ctl); 956 if (mix->anded_reset) 957 msleep(10); 958 check_mute(chip, &mix->hp_mute, 1, mix->auto_mute_notify, 959 chip->master_sw_ctl); 960 if (mix->line_mute.addr != 0) 961 check_mute(chip, &mix->line_mute, 1, mix->auto_mute_notify, 962 chip->lineout_sw_ctl); 963 mix->drc_enable = 1; 964 } 965 if (mix->auto_mute_notify) { 966 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, 967 &chip->hp_detect_ctl->id); 968 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, 969 &chip->drc_sw_ctl->id); 970 } 971 972 /* first set the DRC so the speaker do not explode -ReneR */ 973 if (chip->model == PMAC_TUMBLER) 974 tumbler_set_drc(mix); 975 else 976 snapper_set_drc(mix); 977 978 /* reset the master volume so the correct amplification is applied */ 979 tumbler_set_master_volume(mix); 980 } 981 982 static void tumbler_update_automute(pmac_t *chip, int do_notify) 983 { 984 if (chip->auto_mute) { 985 pmac_tumbler_t *mix; 986 mix = chip->mixer_data; 987 snd_assert(mix, return); 988 mix->auto_mute_notify = do_notify; 989 schedule_work(&device_change); 990 } 991 } 992 #endif /* PMAC_SUPPORT_AUTOMUTE */ 993 994 995 /* interrupt - headphone plug changed */ 996 static irqreturn_t headphone_intr(int irq, void *devid, struct pt_regs *regs) 997 { 998 pmac_t *chip = devid; 999 if (chip->update_automute && chip->initialized) { 1000 chip->update_automute(chip, 1); 1001 return IRQ_HANDLED; 1002 } 1003 return IRQ_NONE; 1004 } 1005 1006 /* look for audio-gpio device */ 1007 static struct device_node *find_audio_device(const char *name) 1008 { 1009 struct device_node *np; 1010 1011 if (! (np = find_devices("gpio"))) 1012 return NULL; 1013 1014 for (np = np->child; np; np = np->sibling) { 1015 char *property = get_property(np, "audio-gpio", NULL); 1016 if (property && strcmp(property, name) == 0) 1017 return np; 1018 } 1019 return NULL; 1020 } 1021 1022 /* look for audio-gpio device */ 1023 static struct device_node *find_compatible_audio_device(const char *name) 1024 { 1025 struct device_node *np; 1026 1027 if (! (np = find_devices("gpio"))) 1028 return NULL; 1029 1030 for (np = np->child; np; np = np->sibling) { 1031 if (device_is_compatible(np, name)) 1032 return np; 1033 } 1034 return NULL; 1035 } 1036 1037 /* find an audio device and get its address */ 1038 static long tumbler_find_device(const char *device, const char *platform, pmac_gpio_t *gp, int is_compatible) 1039 { 1040 struct device_node *node; 1041 u32 *base, addr; 1042 1043 if (is_compatible) 1044 node = find_compatible_audio_device(device); 1045 else 1046 node = find_audio_device(device); 1047 if (! node) { 1048 DBG("(W) cannot find audio device %s !\n", device); 1049 snd_printdd("cannot find device %s\n", device); 1050 return -ENODEV; 1051 } 1052 1053 base = (u32 *)get_property(node, "AAPL,address", NULL); 1054 if (! base) { 1055 base = (u32 *)get_property(node, "reg", NULL); 1056 if (!base) { 1057 DBG("(E) cannot find address for device %s !\n", device); 1058 snd_printd("cannot find address for device %s\n", device); 1059 return -ENODEV; 1060 } 1061 addr = *base; 1062 if (addr < 0x50) 1063 addr += 0x50; 1064 } else 1065 addr = *base; 1066 1067 gp->addr = addr & 0x0000ffff; 1068 /* Try to find the active state, default to 0 ! */ 1069 base = (u32 *)get_property(node, "audio-gpio-active-state", NULL); 1070 if (base) { 1071 gp->active_state = *base; 1072 gp->active_val = (*base) ? 0x5 : 0x4; 1073 gp->inactive_val = (*base) ? 0x4 : 0x5; 1074 } else { 1075 u32 *prop = NULL; 1076 gp->active_state = 0; 1077 gp->active_val = 0x4; 1078 gp->inactive_val = 0x5; 1079 /* Here are some crude hacks to extract the GPIO polarity and 1080 * open collector informations out of the do-platform script 1081 * as we don't yet have an interpreter for these things 1082 */ 1083 if (platform) 1084 prop = (u32 *)get_property(node, platform, NULL); 1085 if (prop) { 1086 if (prop[3] == 0x9 && prop[4] == 0x9) { 1087 gp->active_val = 0xd; 1088 gp->inactive_val = 0xc; 1089 } 1090 if (prop[3] == 0x1 && prop[4] == 0x1) { 1091 gp->active_val = 0x5; 1092 gp->inactive_val = 0x4; 1093 } 1094 } 1095 } 1096 1097 DBG("(I) GPIO device %s found, offset: %x, active state: %d !\n", 1098 device, gp->addr, gp->active_state); 1099 1100 return (node->n_intrs > 0) ? node->intrs[0].line : 0; 1101 } 1102 1103 /* reset audio */ 1104 static void tumbler_reset_audio(pmac_t *chip) 1105 { 1106 pmac_tumbler_t *mix = chip->mixer_data; 1107 1108 if (mix->anded_reset) { 1109 DBG("(I) codec anded reset !\n"); 1110 write_audio_gpio(&mix->hp_mute, 0); 1111 write_audio_gpio(&mix->amp_mute, 0); 1112 msleep(200); 1113 write_audio_gpio(&mix->hp_mute, 1); 1114 write_audio_gpio(&mix->amp_mute, 1); 1115 msleep(100); 1116 write_audio_gpio(&mix->hp_mute, 0); 1117 write_audio_gpio(&mix->amp_mute, 0); 1118 msleep(100); 1119 } else { 1120 DBG("(I) codec normal reset !\n"); 1121 1122 write_audio_gpio(&mix->audio_reset, 0); 1123 msleep(200); 1124 write_audio_gpio(&mix->audio_reset, 1); 1125 msleep(100); 1126 write_audio_gpio(&mix->audio_reset, 0); 1127 msleep(100); 1128 } 1129 } 1130 1131 #ifdef CONFIG_PM 1132 /* suspend mixer */ 1133 static void tumbler_suspend(pmac_t *chip) 1134 { 1135 pmac_tumbler_t *mix = chip->mixer_data; 1136 1137 if (mix->headphone_irq >= 0) 1138 disable_irq(mix->headphone_irq); 1139 if (mix->lineout_irq >= 0) 1140 disable_irq(mix->lineout_irq); 1141 mix->save_master_switch[0] = mix->master_switch[0]; 1142 mix->save_master_switch[1] = mix->master_switch[1]; 1143 mix->save_master_vol[0] = mix->master_vol[0]; 1144 mix->save_master_vol[1] = mix->master_vol[1]; 1145 mix->master_switch[0] = mix->master_switch[1] = 0; 1146 tumbler_set_master_volume(mix); 1147 if (!mix->anded_reset) { 1148 write_audio_gpio(&mix->amp_mute, 1); 1149 write_audio_gpio(&mix->hp_mute, 1); 1150 } 1151 if (chip->model == PMAC_SNAPPER) { 1152 mix->acs |= 1; 1153 i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs); 1154 } 1155 if (mix->anded_reset) { 1156 write_audio_gpio(&mix->amp_mute, 1); 1157 write_audio_gpio(&mix->hp_mute, 1); 1158 } else 1159 write_audio_gpio(&mix->audio_reset, 1); 1160 } 1161 1162 /* resume mixer */ 1163 static void tumbler_resume(pmac_t *chip) 1164 { 1165 pmac_tumbler_t *mix = chip->mixer_data; 1166 1167 snd_assert(mix, return); 1168 1169 mix->acs &= ~1; 1170 mix->master_switch[0] = mix->save_master_switch[0]; 1171 mix->master_switch[1] = mix->save_master_switch[1]; 1172 mix->master_vol[0] = mix->save_master_vol[0]; 1173 mix->master_vol[1] = mix->save_master_vol[1]; 1174 tumbler_reset_audio(chip); 1175 if (mix->i2c.client && mix->i2c.init_client) { 1176 if (mix->i2c.init_client(&mix->i2c) < 0) 1177 printk(KERN_ERR "tumbler_init_client error\n"); 1178 } else 1179 printk(KERN_ERR "tumbler: i2c is not initialized\n"); 1180 if (chip->model == PMAC_TUMBLER) { 1181 tumbler_set_mono_volume(mix, &tumbler_pcm_vol_info); 1182 tumbler_set_mono_volume(mix, &tumbler_bass_vol_info); 1183 tumbler_set_mono_volume(mix, &tumbler_treble_vol_info); 1184 tumbler_set_drc(mix); 1185 } else { 1186 snapper_set_mix_vol(mix, VOL_IDX_PCM); 1187 snapper_set_mix_vol(mix, VOL_IDX_PCM2); 1188 snapper_set_mix_vol(mix, VOL_IDX_ADC); 1189 tumbler_set_mono_volume(mix, &snapper_bass_vol_info); 1190 tumbler_set_mono_volume(mix, &snapper_treble_vol_info); 1191 snapper_set_drc(mix); 1192 snapper_set_capture_source(mix); 1193 } 1194 tumbler_set_master_volume(mix); 1195 if (chip->update_automute) 1196 chip->update_automute(chip, 0); 1197 if (mix->headphone_irq >= 0) 1198 enable_irq(mix->headphone_irq); 1199 if (mix->lineout_irq >= 0) 1200 enable_irq(mix->lineout_irq); 1201 } 1202 #endif 1203 1204 /* initialize tumbler */ 1205 static int __init tumbler_init(pmac_t *chip) 1206 { 1207 int irq; 1208 pmac_tumbler_t *mix = chip->mixer_data; 1209 snd_assert(mix, return -EINVAL); 1210 1211 if (tumbler_find_device("audio-hw-reset", 1212 "platform-do-hw-reset", 1213 &mix->audio_reset, 0) < 0) 1214 tumbler_find_device("hw-reset", 1215 "platform-do-hw-reset", 1216 &mix->audio_reset, 1); 1217 if (tumbler_find_device("amp-mute", 1218 "platform-do-amp-mute", 1219 &mix->amp_mute, 0) < 0) 1220 tumbler_find_device("amp-mute", 1221 "platform-do-amp-mute", 1222 &mix->amp_mute, 1); 1223 if (tumbler_find_device("headphone-mute", 1224 "platform-do-headphone-mute", 1225 &mix->hp_mute, 0) < 0) 1226 tumbler_find_device("headphone-mute", 1227 "platform-do-headphone-mute", 1228 &mix->hp_mute, 1); 1229 if (tumbler_find_device("line-output-mute", 1230 "platform-do-lineout-mute", 1231 &mix->line_mute, 0) < 0) 1232 tumbler_find_device("line-output-mute", 1233 "platform-do-lineout-mute", 1234 &mix->line_mute, 1); 1235 irq = tumbler_find_device("headphone-detect", 1236 NULL, &mix->hp_detect, 0); 1237 if (irq < 0) 1238 irq = tumbler_find_device("headphone-detect", 1239 NULL, &mix->hp_detect, 1); 1240 if (irq < 0) 1241 irq = tumbler_find_device("keywest-gpio15", 1242 NULL, &mix->hp_detect, 1); 1243 mix->headphone_irq = irq; 1244 irq = tumbler_find_device("line-output-detect", 1245 NULL, &mix->line_detect, 0); 1246 if (irq < 0) 1247 irq = tumbler_find_device("line-output-detect", 1248 NULL, &mix->line_detect, 1); 1249 mix->lineout_irq = irq; 1250 1251 tumbler_reset_audio(chip); 1252 1253 return 0; 1254 } 1255 1256 static void tumbler_cleanup(pmac_t *chip) 1257 { 1258 pmac_tumbler_t *mix = chip->mixer_data; 1259 if (! mix) 1260 return; 1261 1262 if (mix->headphone_irq >= 0) 1263 free_irq(mix->headphone_irq, chip); 1264 if (mix->lineout_irq >= 0) 1265 free_irq(mix->lineout_irq, chip); 1266 tumbler_gpio_free(&mix->audio_reset); 1267 tumbler_gpio_free(&mix->amp_mute); 1268 tumbler_gpio_free(&mix->hp_mute); 1269 tumbler_gpio_free(&mix->hp_detect); 1270 snd_pmac_keywest_cleanup(&mix->i2c); 1271 kfree(mix); 1272 chip->mixer_data = NULL; 1273 } 1274 1275 /* exported */ 1276 int __init snd_pmac_tumbler_init(pmac_t *chip) 1277 { 1278 int i, err; 1279 pmac_tumbler_t *mix; 1280 u32 *paddr; 1281 struct device_node *tas_node, *np; 1282 char *chipname; 1283 1284 #ifdef CONFIG_KMOD 1285 if (current->fs->root) 1286 request_module("i2c-keywest"); 1287 #endif /* CONFIG_KMOD */ 1288 1289 mix = kmalloc(sizeof(*mix), GFP_KERNEL); 1290 if (! mix) 1291 return -ENOMEM; 1292 memset(mix, 0, sizeof(*mix)); 1293 mix->headphone_irq = -1; 1294 1295 chip->mixer_data = mix; 1296 chip->mixer_free = tumbler_cleanup; 1297 mix->anded_reset = 0; 1298 mix->reset_on_sleep = 1; 1299 1300 for (np = chip->node->child; np; np = np->sibling) { 1301 if (!strcmp(np->name, "sound")) { 1302 if (get_property(np, "has-anded-reset", NULL)) 1303 mix->anded_reset = 1; 1304 if (get_property(np, "layout-id", NULL)) 1305 mix->reset_on_sleep = 0; 1306 break; 1307 } 1308 } 1309 if ((err = tumbler_init(chip)) < 0) 1310 return err; 1311 1312 /* set up TAS */ 1313 tas_node = find_devices("deq"); 1314 if (tas_node == NULL) 1315 tas_node = find_devices("codec"); 1316 if (tas_node == NULL) 1317 return -ENODEV; 1318 1319 paddr = (u32 *)get_property(tas_node, "i2c-address", NULL); 1320 if (paddr == NULL) 1321 paddr = (u32 *)get_property(tas_node, "reg", NULL); 1322 if (paddr) 1323 mix->i2c.addr = (*paddr) >> 1; 1324 else 1325 mix->i2c.addr = TAS_I2C_ADDR; 1326 1327 DBG("(I) TAS i2c address is: %x\n", mix->i2c.addr); 1328 1329 if (chip->model == PMAC_TUMBLER) { 1330 mix->i2c.init_client = tumbler_init_client; 1331 mix->i2c.name = "TAS3001c"; 1332 chipname = "Tumbler"; 1333 } else { 1334 mix->i2c.init_client = snapper_init_client; 1335 mix->i2c.name = "TAS3004"; 1336 chipname = "Snapper"; 1337 } 1338 1339 if ((err = snd_pmac_keywest_init(&mix->i2c)) < 0) 1340 return err; 1341 1342 /* 1343 * build mixers 1344 */ 1345 sprintf(chip->card->mixername, "PowerMac %s", chipname); 1346 1347 if (chip->model == PMAC_TUMBLER) { 1348 for (i = 0; i < ARRAY_SIZE(tumbler_mixers); i++) { 1349 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&tumbler_mixers[i], chip))) < 0) 1350 return err; 1351 } 1352 } else { 1353 for (i = 0; i < ARRAY_SIZE(snapper_mixers); i++) { 1354 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snapper_mixers[i], chip))) < 0) 1355 return err; 1356 } 1357 } 1358 chip->master_sw_ctl = snd_ctl_new1(&tumbler_hp_sw, chip); 1359 if ((err = snd_ctl_add(chip->card, chip->master_sw_ctl)) < 0) 1360 return err; 1361 chip->speaker_sw_ctl = snd_ctl_new1(&tumbler_speaker_sw, chip); 1362 if ((err = snd_ctl_add(chip->card, chip->speaker_sw_ctl)) < 0) 1363 return err; 1364 if (mix->line_mute.addr != 0) { 1365 chip->lineout_sw_ctl = snd_ctl_new1(&tumbler_lineout_sw, chip); 1366 if ((err = snd_ctl_add(chip->card, chip->lineout_sw_ctl)) < 0) 1367 return err; 1368 } 1369 chip->drc_sw_ctl = snd_ctl_new1(&tumbler_drc_sw, chip); 1370 if ((err = snd_ctl_add(chip->card, chip->drc_sw_ctl)) < 0) 1371 return err; 1372 1373 #ifdef CONFIG_PM 1374 chip->suspend = tumbler_suspend; 1375 chip->resume = tumbler_resume; 1376 #endif 1377 1378 INIT_WORK(&device_change, device_change_handler, (void *)chip); 1379 1380 #ifdef PMAC_SUPPORT_AUTOMUTE 1381 if ((mix->headphone_irq >=0 || mix->lineout_irq >= 0) 1382 && (err = snd_pmac_add_automute(chip)) < 0) 1383 return err; 1384 chip->detect_headphone = tumbler_detect_headphone; 1385 chip->update_automute = tumbler_update_automute; 1386 tumbler_update_automute(chip, 0); /* update the status only */ 1387 1388 /* activate headphone status interrupts */ 1389 if (mix->headphone_irq >= 0) { 1390 unsigned char val; 1391 if ((err = request_irq(mix->headphone_irq, headphone_intr, 0, 1392 "Sound Headphone Detection", chip)) < 0) 1393 return 0; 1394 /* activate headphone status interrupts */ 1395 val = do_gpio_read(&mix->hp_detect); 1396 do_gpio_write(&mix->hp_detect, val | 0x80); 1397 } 1398 if (mix->lineout_irq >= 0) { 1399 unsigned char val; 1400 if ((err = request_irq(mix->lineout_irq, headphone_intr, 0, 1401 "Sound Lineout Detection", chip)) < 0) 1402 return 0; 1403 /* activate headphone status interrupts */ 1404 val = do_gpio_read(&mix->line_detect); 1405 do_gpio_write(&mix->line_detect, val | 0x80); 1406 } 1407 #endif 1408 1409 return 0; 1410 } 1411