tumbler.c 38.2 KB
Newer Older
Linus Torvalds's avatar
Linus Torvalds committed
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35
/*
 * PMac Tumbler/Snapper lowlevel functions
 *
 * Copyright (c) by Takashi Iwai <[email protected]>
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 *
 *   Rene Rebe <[email protected]>:
 *     * update from shadow registers on wakeup and headphone plug
 *     * automatically toggle DRC on headphone plug
 *	
 */


#include <linux/init.h>
#include <linux/delay.h>
#include <linux/i2c.h>
#include <linux/kmod.h>
#include <linux/slab.h>
#include <linux/interrupt.h>
#include <sound/core.h>
#include <asm/io.h>
#include <asm/irq.h>
36
#include <asm/machdep.h>
Linus Torvalds's avatar
Linus Torvalds committed
37 38 39 40
#include <asm/pmac_feature.h>
#include "pmac.h"
#include "tumbler_volume.h"

41 42 43
#undef DEBUG

#ifdef DEBUG
44
#define DBG(fmt...) printk(KERN_DEBUG fmt)
45 46 47 48
#else
#define DBG(fmt...)
#endif

Linus Torvalds's avatar
Linus Torvalds committed
49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82
/* i2c address for tumbler */
#define TAS_I2C_ADDR	0x34

/* registers */
#define TAS_REG_MCS	0x01	/* main control */
#define TAS_REG_DRC	0x02
#define TAS_REG_VOL	0x04
#define TAS_REG_TREBLE	0x05
#define TAS_REG_BASS	0x06
#define TAS_REG_INPUT1	0x07
#define TAS_REG_INPUT2	0x08

/* tas3001c */
#define TAS_REG_PCM	TAS_REG_INPUT1
 
/* tas3004 */
#define TAS_REG_LMIX	TAS_REG_INPUT1
#define TAS_REG_RMIX	TAS_REG_INPUT2
#define TAS_REG_MCS2	0x43		/* main control 2 */
#define TAS_REG_ACS	0x40		/* analog control */

/* mono volumes for tas3001c/tas3004 */
enum {
	VOL_IDX_PCM_MONO, /* tas3001c only */
	VOL_IDX_BASS, VOL_IDX_TREBLE,
	VOL_IDX_LAST_MONO
};

/* stereo volumes for tas3004 */
enum {
	VOL_IDX_PCM, VOL_IDX_PCM2, VOL_IDX_ADC,
	VOL_IDX_LAST_MIX
};

83
struct pmac_gpio {
Linus Torvalds's avatar
Linus Torvalds committed
84
	unsigned int addr;
85 86 87
	u8 active_val;
	u8 inactive_val;
	u8 active_state;
88 89 90 91 92 93 94 95 96 97
};

struct pmac_tumbler {
	struct pmac_keywest i2c;
	struct pmac_gpio audio_reset;
	struct pmac_gpio amp_mute;
	struct pmac_gpio line_mute;
	struct pmac_gpio line_detect;
	struct pmac_gpio hp_mute;
	struct pmac_gpio hp_detect;
Linus Torvalds's avatar
Linus Torvalds committed
98
	int headphone_irq;
99
	int lineout_irq;
100
	unsigned int save_master_vol[2];
Linus Torvalds's avatar
Linus Torvalds committed
101
	unsigned int master_vol[2];
102
	unsigned int save_master_switch[2];
Linus Torvalds's avatar
Linus Torvalds committed
103 104 105 106 107 108
	unsigned int master_switch[2];
	unsigned int mono_vol[VOL_IDX_LAST_MONO];
	unsigned int mix_vol[VOL_IDX_LAST_MIX][2]; /* stereo volumes for tas3004 */
	int drc_range;
	int drc_enable;
	int capture_source;
109 110 111 112
	int anded_reset;
	int auto_mute_notify;
	int reset_on_sleep;
	u8  acs;
113
};
Linus Torvalds's avatar
Linus Torvalds committed
114 115 116 117 118


/*
 */

119
static int send_init_client(struct pmac_keywest *i2c, unsigned int *regs)
Linus Torvalds's avatar
Linus Torvalds committed
120 121 122 123 124 125 126 127
{
	while (*regs > 0) {
		int err, count = 10;
		do {
			err = i2c_smbus_write_byte_data(i2c->client,
							regs[0], regs[1]);
			if (err >= 0)
				break;
128
			DBG("(W) i2c error %d\n", err);
Linus Torvalds's avatar
Linus Torvalds committed
129 130 131 132 133 134 135 136 137 138
			mdelay(10);
		} while (count--);
		if (err < 0)
			return -ENXIO;
		regs += 2;
	}
	return 0;
}


139
static int tumbler_init_client(struct pmac_keywest *i2c)
Linus Torvalds's avatar
Linus Torvalds committed
140 141 142 143 144 145
{
	static unsigned int regs[] = {
		/* normal operation, SCLK=64fps, i2s output, i2s input, 16bit width */
		TAS_REG_MCS, (1<<6)|(2<<4)|(2<<2)|0,
		0, /* terminator */
	};
146
	DBG("(I) tumbler init client\n");
Linus Torvalds's avatar
Linus Torvalds committed
147 148 149
	return send_init_client(i2c, regs);
}

150
static int snapper_init_client(struct pmac_keywest *i2c)
Linus Torvalds's avatar
Linus Torvalds committed
151 152 153 154 155 156 157 158 159 160
{
	static unsigned int regs[] = {
		/* normal operation, SCLK=64fps, i2s output, 16bit width */
		TAS_REG_MCS, (1<<6)|(2<<4)|0,
		/* normal operation, all-pass mode */
		TAS_REG_MCS2, (1<<1),
		/* normal output, no deemphasis, A input, power-up, line-in */
		TAS_REG_ACS, 0,
		0, /* terminator */
	};
161
	DBG("(I) snapper init client\n");
Linus Torvalds's avatar
Linus Torvalds committed
162 163 164 165 166 167 168 169 170 171 172 173
	return send_init_client(i2c, regs);
}
	
/*
 * gpio access
 */
#define do_gpio_write(gp, val) \
	pmac_call_feature(PMAC_FTR_WRITE_GPIO, NULL, (gp)->addr, val)
#define do_gpio_read(gp) \
	pmac_call_feature(PMAC_FTR_READ_GPIO, NULL, (gp)->addr, 0)
#define tumbler_gpio_free(gp) /* NOP */

174
static void write_audio_gpio(struct pmac_gpio *gp, int active)
Linus Torvalds's avatar
Linus Torvalds committed
175 176 177
{
	if (! gp->addr)
		return;
178 179 180
	active = active ? gp->active_val : gp->inactive_val;
	do_gpio_write(gp, active);
	DBG("(I) gpio %x write %d\n", gp->addr, active);
Linus Torvalds's avatar
Linus Torvalds committed
181 182
}

183
static int check_audio_gpio(struct pmac_gpio *gp)
184 185 186 187 188 189 190 191
{
	int ret;

	if (! gp->addr)
		return 0;

	ret = do_gpio_read(gp);

192
	return (ret & 0x1) == (gp->active_val & 0x1);
193 194
}

195
static int read_audio_gpio(struct pmac_gpio *gp)
Linus Torvalds's avatar
Linus Torvalds committed
196 197 198 199
{
	int ret;
	if (! gp->addr)
		return 0;
200 201
	ret = do_gpio_read(gp);
	ret = (ret & 0x02) !=0;
Linus Torvalds's avatar
Linus Torvalds committed
202 203 204 205 206 207
	return ret == gp->active_state;
}

/*
 * update master volume
 */
208
static int tumbler_set_master_volume(struct pmac_tumbler *mix)
Linus Torvalds's avatar
Linus Torvalds committed
209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240
{
	unsigned char block[6];
	unsigned int left_vol, right_vol;
  
	if (! mix->i2c.client)
		return -ENODEV;
  
	if (! mix->master_switch[0])
		left_vol = 0;
	else {
		left_vol = mix->master_vol[0];
		if (left_vol >= ARRAY_SIZE(master_volume_table))
			left_vol = ARRAY_SIZE(master_volume_table) - 1;
		left_vol = master_volume_table[left_vol];
	}
	if (! mix->master_switch[1])
		right_vol = 0;
	else {
		right_vol = mix->master_vol[1];
		if (right_vol >= ARRAY_SIZE(master_volume_table))
			right_vol = ARRAY_SIZE(master_volume_table) - 1;
		right_vol = master_volume_table[right_vol];
	}

	block[0] = (left_vol >> 16) & 0xff;
	block[1] = (left_vol >> 8)  & 0xff;
	block[2] = (left_vol >> 0)  & 0xff;

	block[3] = (right_vol >> 16) & 0xff;
	block[4] = (right_vol >> 8)  & 0xff;
	block[5] = (right_vol >> 0)  & 0xff;
  
241 242
	if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_VOL, 6,
					   block) < 0) {
243
		snd_printk(KERN_ERR "failed to set volume \n");
Linus Torvalds's avatar
Linus Torvalds committed
244 245 246 247 248 249 250
		return -EINVAL;
	}
	return 0;
}


/* output volume */
251 252
static int tumbler_info_master_volume(struct snd_kcontrol *kcontrol,
				      struct snd_ctl_elem_info *uinfo)
Linus Torvalds's avatar
Linus Torvalds committed
253 254 255 256 257 258 259 260
{
	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
	uinfo->count = 2;
	uinfo->value.integer.min = 0;
	uinfo->value.integer.max = ARRAY_SIZE(master_volume_table) - 1;
	return 0;
}

261 262
static int tumbler_get_master_volume(struct snd_kcontrol *kcontrol,
				     struct snd_ctl_elem_value *ucontrol)
Linus Torvalds's avatar
Linus Torvalds committed
263
{
264 265
	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
	struct pmac_tumbler *mix = chip->mixer_data;
266

Linus Torvalds's avatar
Linus Torvalds committed
267 268 269 270 271
	ucontrol->value.integer.value[0] = mix->master_vol[0];
	ucontrol->value.integer.value[1] = mix->master_vol[1];
	return 0;
}

272 273
static int tumbler_put_master_volume(struct snd_kcontrol *kcontrol,
				     struct snd_ctl_elem_value *ucontrol)
Linus Torvalds's avatar
Linus Torvalds committed
274
{
275 276
	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
	struct pmac_tumbler *mix = chip->mixer_data;
277
	unsigned int vol[2];
Linus Torvalds's avatar
Linus Torvalds committed
278 279
	int change;

280 281 282 283 284 285 286
	vol[0] = ucontrol->value.integer.value[0];
	vol[1] = ucontrol->value.integer.value[1];
	if (vol[0] >= ARRAY_SIZE(master_volume_table) ||
	    vol[1] >= ARRAY_SIZE(master_volume_table))
		return -EINVAL;
	change = mix->master_vol[0] != vol[0] ||
		mix->master_vol[1] != vol[1];
Linus Torvalds's avatar
Linus Torvalds committed
287
	if (change) {
288 289
		mix->master_vol[0] = vol[0];
		mix->master_vol[1] = vol[1];
Linus Torvalds's avatar
Linus Torvalds committed
290 291 292 293 294 295
		tumbler_set_master_volume(mix);
	}
	return change;
}

/* output switch */
296 297
static int tumbler_get_master_switch(struct snd_kcontrol *kcontrol,
				     struct snd_ctl_elem_value *ucontrol)
Linus Torvalds's avatar
Linus Torvalds committed
298
{
299 300
	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
	struct pmac_tumbler *mix = chip->mixer_data;
301

Linus Torvalds's avatar
Linus Torvalds committed
302 303 304 305 306
	ucontrol->value.integer.value[0] = mix->master_switch[0];
	ucontrol->value.integer.value[1] = mix->master_switch[1];
	return 0;
}

307 308
static int tumbler_put_master_switch(struct snd_kcontrol *kcontrol,
				     struct snd_ctl_elem_value *ucontrol)
Linus Torvalds's avatar
Linus Torvalds committed
309
{
310 311
	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
	struct pmac_tumbler *mix = chip->mixer_data;
Linus Torvalds's avatar
Linus Torvalds committed
312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330
	int change;

	change = mix->master_switch[0] != ucontrol->value.integer.value[0] ||
		mix->master_switch[1] != ucontrol->value.integer.value[1];
	if (change) {
		mix->master_switch[0] = !!ucontrol->value.integer.value[0];
		mix->master_switch[1] = !!ucontrol->value.integer.value[1];
		tumbler_set_master_volume(mix);
	}
	return change;
}


/*
 * TAS3001c dynamic range compression
 */

#define TAS3001_DRC_MAX		0x5f

331
static int tumbler_set_drc(struct pmac_tumbler *mix)
Linus Torvalds's avatar
Linus Torvalds committed
332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350
{
	unsigned char val[2];

	if (! mix->i2c.client)
		return -ENODEV;
  
	if (mix->drc_enable) {
		val[0] = 0xc1; /* enable, 3:1 compression */
		if (mix->drc_range > TAS3001_DRC_MAX)
			val[1] = 0xf0;
		else if (mix->drc_range < 0)
			val[1] = 0x91;
		else
			val[1] = mix->drc_range + 0x91;
	} else {
		val[0] = 0;
		val[1] = 0;
	}

351 352
	if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_DRC,
					   2, val) < 0) {
353
		snd_printk(KERN_ERR "failed to set DRC\n");
Linus Torvalds's avatar
Linus Torvalds committed
354 355 356 357 358 359 360 361 362 363 364
		return -EINVAL;
	}
	return 0;
}

/*
 * TAS3004
 */

#define TAS3004_DRC_MAX		0xef

365
static int snapper_set_drc(struct pmac_tumbler *mix)
Linus Torvalds's avatar
Linus Torvalds committed
366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386
{
	unsigned char val[6];

	if (! mix->i2c.client)
		return -ENODEV;
  
	if (mix->drc_enable)
		val[0] = 0x50; /* 3:1 above threshold */
	else
		val[0] = 0x51; /* disabled */
	val[1] = 0x02; /* 1:1 below threshold */
	if (mix->drc_range > 0xef)
		val[2] = 0xef;
	else if (mix->drc_range < 0)
		val[2] = 0x00;
	else
		val[2] = mix->drc_range;
	val[3] = 0xb0;
	val[4] = 0x60;
	val[5] = 0xa0;

387 388
	if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_DRC,
					   6, val) < 0) {
389
		snd_printk(KERN_ERR "failed to set DRC\n");
Linus Torvalds's avatar
Linus Torvalds committed
390 391 392 393 394
		return -EINVAL;
	}
	return 0;
}

395 396
static int tumbler_info_drc_value(struct snd_kcontrol *kcontrol,
				  struct snd_ctl_elem_info *uinfo)
Linus Torvalds's avatar
Linus Torvalds committed
397
{
398
	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
Linus Torvalds's avatar
Linus Torvalds committed
399 400 401 402 403 404 405 406
	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
	uinfo->count = 1;
	uinfo->value.integer.min = 0;
	uinfo->value.integer.max =
		chip->model == PMAC_TUMBLER ? TAS3001_DRC_MAX : TAS3004_DRC_MAX;
	return 0;
}

407 408
static int tumbler_get_drc_value(struct snd_kcontrol *kcontrol,
				 struct snd_ctl_elem_value *ucontrol)
Linus Torvalds's avatar
Linus Torvalds committed
409
{
410 411
	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
	struct pmac_tumbler *mix;
Linus Torvalds's avatar
Linus Torvalds committed
412 413 414 415 416 417
	if (! (mix = chip->mixer_data))
		return -ENODEV;
	ucontrol->value.integer.value[0] = mix->drc_range;
	return 0;
}

418 419
static int tumbler_put_drc_value(struct snd_kcontrol *kcontrol,
				 struct snd_ctl_elem_value *ucontrol)
Linus Torvalds's avatar
Linus Torvalds committed
420
{
421 422
	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
	struct pmac_tumbler *mix;
423
	unsigned int val;
Linus Torvalds's avatar
Linus Torvalds committed
424 425 426 427
	int change;

	if (! (mix = chip->mixer_data))
		return -ENODEV;
428 429 430 431 432 433 434 435 436
	val = ucontrol->value.integer.value[0];
	if (chip->model == PMAC_TUMBLER) {
		if (val > TAS3001_DRC_MAX)
			return -EINVAL;
	} else {
		if (val > TAS3004_DRC_MAX)
			return -EINVAL;
	}
	change = mix->drc_range != val;
Linus Torvalds's avatar
Linus Torvalds committed
437
	if (change) {
438
		mix->drc_range = val;
Linus Torvalds's avatar
Linus Torvalds committed
439 440 441 442 443 444 445 446
		if (chip->model == PMAC_TUMBLER)
			tumbler_set_drc(mix);
		else
			snapper_set_drc(mix);
	}
	return change;
}

447 448
static int tumbler_get_drc_switch(struct snd_kcontrol *kcontrol,
				  struct snd_ctl_elem_value *ucontrol)
Linus Torvalds's avatar
Linus Torvalds committed
449
{
450 451
	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
	struct pmac_tumbler *mix;
Linus Torvalds's avatar
Linus Torvalds committed
452 453 454 455 456 457
	if (! (mix = chip->mixer_data))
		return -ENODEV;
	ucontrol->value.integer.value[0] = mix->drc_enable;
	return 0;
}

458 459
static int tumbler_put_drc_switch(struct snd_kcontrol *kcontrol,
				  struct snd_ctl_elem_value *ucontrol)
Linus Torvalds's avatar
Linus Torvalds committed
460
{
461 462
	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
	struct pmac_tumbler *mix;
Linus Torvalds's avatar
Linus Torvalds committed
463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490
	int change;

	if (! (mix = chip->mixer_data))
		return -ENODEV;
	change = mix->drc_enable != ucontrol->value.integer.value[0];
	if (change) {
		mix->drc_enable = !!ucontrol->value.integer.value[0];
		if (chip->model == PMAC_TUMBLER)
			tumbler_set_drc(mix);
		else
			snapper_set_drc(mix);
	}
	return change;
}


/*
 * mono volumes
 */

struct tumbler_mono_vol {
	int index;
	int reg;
	int bytes;
	unsigned int max;
	unsigned int *table;
};

491 492
static int tumbler_set_mono_volume(struct pmac_tumbler *mix,
				   struct tumbler_mono_vol *info)
Linus Torvalds's avatar
Linus Torvalds committed
493 494 495 496 497 498 499 500 501 502 503 504 505 506
{
	unsigned char block[4];
	unsigned int vol;
	int i;
  
	if (! mix->i2c.client)
		return -ENODEV;
  
	vol = mix->mono_vol[info->index];
	if (vol >= info->max)
		vol = info->max - 1;
	vol = info->table[vol];
	for (i = 0; i < info->bytes; i++)
		block[i] = (vol >> ((info->bytes - i - 1) * 8)) & 0xff;
507 508
	if (i2c_smbus_write_i2c_block_data(mix->i2c.client, info->reg,
					   info->bytes, block) < 0) {
509 510
		snd_printk(KERN_ERR "failed to set mono volume %d\n",
			   info->index);
Linus Torvalds's avatar
Linus Torvalds committed
511 512 513 514 515
		return -EINVAL;
	}
	return 0;
}

516 517
static int tumbler_info_mono(struct snd_kcontrol *kcontrol,
			     struct snd_ctl_elem_info *uinfo)
Linus Torvalds's avatar
Linus Torvalds committed
518 519 520 521 522 523 524 525 526 527
{
	struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;

	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
	uinfo->count = 1;
	uinfo->value.integer.min = 0;
	uinfo->value.integer.max = info->max - 1;
	return 0;
}

528 529
static int tumbler_get_mono(struct snd_kcontrol *kcontrol,
			    struct snd_ctl_elem_value *ucontrol)
Linus Torvalds's avatar
Linus Torvalds committed
530 531
{
	struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
532 533
	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
	struct pmac_tumbler *mix;
Linus Torvalds's avatar
Linus Torvalds committed
534 535 536 537 538 539
	if (! (mix = chip->mixer_data))
		return -ENODEV;
	ucontrol->value.integer.value[0] = mix->mono_vol[info->index];
	return 0;
}

540 541
static int tumbler_put_mono(struct snd_kcontrol *kcontrol,
			    struct snd_ctl_elem_value *ucontrol)
Linus Torvalds's avatar
Linus Torvalds committed
542 543
{
	struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
544 545
	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
	struct pmac_tumbler *mix;
546
	unsigned int vol;
Linus Torvalds's avatar
Linus Torvalds committed
547 548 549 550
	int change;

	if (! (mix = chip->mixer_data))
		return -ENODEV;
551 552 553 554
	vol = ucontrol->value.integer.value[0];
	if (vol >= info->max)
		return -EINVAL;
	change = mix->mono_vol[info->index] != vol;
Linus Torvalds's avatar
Linus Torvalds committed
555
	if (change) {
556
		mix->mono_vol[info->index] = vol;
Linus Torvalds's avatar
Linus Torvalds committed
557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627
		tumbler_set_mono_volume(mix, info);
	}
	return change;
}

/* TAS3001c mono volumes */
static struct tumbler_mono_vol tumbler_pcm_vol_info = {
	.index = VOL_IDX_PCM_MONO,
	.reg = TAS_REG_PCM,
	.bytes = 3,
	.max = ARRAY_SIZE(mixer_volume_table),
	.table = mixer_volume_table,
};

static struct tumbler_mono_vol tumbler_bass_vol_info = {
	.index = VOL_IDX_BASS,
	.reg = TAS_REG_BASS,
	.bytes = 1,
	.max = ARRAY_SIZE(bass_volume_table),
	.table = bass_volume_table,
};

static struct tumbler_mono_vol tumbler_treble_vol_info = {
	.index = VOL_IDX_TREBLE,
	.reg = TAS_REG_TREBLE,
	.bytes = 1,
	.max = ARRAY_SIZE(treble_volume_table),
	.table = treble_volume_table,
};

/* TAS3004 mono volumes */
static struct tumbler_mono_vol snapper_bass_vol_info = {
	.index = VOL_IDX_BASS,
	.reg = TAS_REG_BASS,
	.bytes = 1,
	.max = ARRAY_SIZE(snapper_bass_volume_table),
	.table = snapper_bass_volume_table,
};

static struct tumbler_mono_vol snapper_treble_vol_info = {
	.index = VOL_IDX_TREBLE,
	.reg = TAS_REG_TREBLE,
	.bytes = 1,
	.max = ARRAY_SIZE(snapper_treble_volume_table),
	.table = snapper_treble_volume_table,
};


#define DEFINE_MONO(xname,type) { \
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
	.name = xname, \
	.info = tumbler_info_mono, \
	.get = tumbler_get_mono, \
	.put = tumbler_put_mono, \
	.private_value = (unsigned long)(&tumbler_##type##_vol_info), \
}

#define DEFINE_SNAPPER_MONO(xname,type) { \
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
	.name = xname, \
	.info = tumbler_info_mono, \
	.get = tumbler_get_mono, \
	.put = tumbler_put_mono, \
	.private_value = (unsigned long)(&snapper_##type##_vol_info), \
}


/*
 * snapper mixer volumes
 */

628
static int snapper_set_mix_vol1(struct pmac_tumbler *mix, int idx, int ch, int reg)
Linus Torvalds's avatar
Linus Torvalds committed
629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644
{
	int i, j, vol;
	unsigned char block[9];

	vol = mix->mix_vol[idx][ch];
	if (vol >= ARRAY_SIZE(mixer_volume_table)) {
		vol = ARRAY_SIZE(mixer_volume_table) - 1;
		mix->mix_vol[idx][ch] = vol;
	}

	for (i = 0; i < 3; i++) {
		vol = mix->mix_vol[i][ch];
		vol = mixer_volume_table[vol];
		for (j = 0; j < 3; j++)
			block[i * 3 + j] = (vol >> ((2 - j) * 8)) & 0xff;
	}
645 646
	if (i2c_smbus_write_i2c_block_data(mix->i2c.client, reg,
					   9, block) < 0) {
647
		snd_printk(KERN_ERR "failed to set mono volume %d\n", reg);
Linus Torvalds's avatar
Linus Torvalds committed
648 649 650 651 652
		return -EINVAL;
	}
	return 0;
}

653
static int snapper_set_mix_vol(struct pmac_tumbler *mix, int idx)
Linus Torvalds's avatar
Linus Torvalds committed
654 655 656 657 658 659 660 661 662
{
	if (! mix->i2c.client)
		return -ENODEV;
	if (snapper_set_mix_vol1(mix, idx, 0, TAS_REG_LMIX) < 0 ||
	    snapper_set_mix_vol1(mix, idx, 1, TAS_REG_RMIX) < 0)
		return -EINVAL;
	return 0;
}

663 664
static int snapper_info_mix(struct snd_kcontrol *kcontrol,
			    struct snd_ctl_elem_info *uinfo)
Linus Torvalds's avatar
Linus Torvalds committed
665 666 667 668 669 670 671 672
{
	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
	uinfo->count = 2;
	uinfo->value.integer.min = 0;
	uinfo->value.integer.max = ARRAY_SIZE(mixer_volume_table) - 1;
	return 0;
}

673 674
static int snapper_get_mix(struct snd_kcontrol *kcontrol,
			   struct snd_ctl_elem_value *ucontrol)
Linus Torvalds's avatar
Linus Torvalds committed
675 676
{
	int idx = (int)kcontrol->private_value;
677 678
	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
	struct pmac_tumbler *mix;
Linus Torvalds's avatar
Linus Torvalds committed
679 680 681 682 683 684 685
	if (! (mix = chip->mixer_data))
		return -ENODEV;
	ucontrol->value.integer.value[0] = mix->mix_vol[idx][0];
	ucontrol->value.integer.value[1] = mix->mix_vol[idx][1];
	return 0;
}

686 687
static int snapper_put_mix(struct snd_kcontrol *kcontrol,
			   struct snd_ctl_elem_value *ucontrol)
Linus Torvalds's avatar
Linus Torvalds committed
688 689
{
	int idx = (int)kcontrol->private_value;
690 691
	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
	struct pmac_tumbler *mix;
692
	unsigned int vol[2];
Linus Torvalds's avatar
Linus Torvalds committed
693 694 695 696
	int change;

	if (! (mix = chip->mixer_data))
		return -ENODEV;
697 698 699 700 701 702 703
	vol[0] = ucontrol->value.integer.value[0];
	vol[1] = ucontrol->value.integer.value[1];
	if (vol[0] >= ARRAY_SIZE(mixer_volume_table) ||
	    vol[1] >= ARRAY_SIZE(mixer_volume_table))
		return -EINVAL;
	change = mix->mix_vol[idx][0] != vol[0] ||
		mix->mix_vol[idx][1] != vol[1];
Linus Torvalds's avatar
Linus Torvalds committed
704
	if (change) {
705 706
		mix->mix_vol[idx][0] = vol[0];
		mix->mix_vol[idx][1] = vol[1];
Linus Torvalds's avatar
Linus Torvalds committed
707 708 709 710 711 712 713
		snapper_set_mix_vol(mix, idx);
	}
	return change;
}


/*
714 715
 * mute switches. FIXME: Turn that into software mute when both outputs are muted
 * to avoid codec reset on ibook M7
Linus Torvalds's avatar
Linus Torvalds committed
716 717
 */

718
enum { TUMBLER_MUTE_HP, TUMBLER_MUTE_AMP, TUMBLER_MUTE_LINE };
Linus Torvalds's avatar
Linus Torvalds committed
719

720 721
static int tumbler_get_mute_switch(struct snd_kcontrol *kcontrol,
				   struct snd_ctl_elem_value *ucontrol)
Linus Torvalds's avatar
Linus Torvalds committed
722
{
723 724 725
	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
	struct pmac_tumbler *mix;
	struct pmac_gpio *gp;
Linus Torvalds's avatar
Linus Torvalds committed
726 727
	if (! (mix = chip->mixer_data))
		return -ENODEV;
728 729 730 731 732 733 734 735 736 737 738 739
	switch(kcontrol->private_value) {
	case TUMBLER_MUTE_HP:
		gp = &mix->hp_mute;	break;
	case TUMBLER_MUTE_AMP:
		gp = &mix->amp_mute;	break;
	case TUMBLER_MUTE_LINE:
		gp = &mix->line_mute;	break;
	default:
		gp = NULL;
	}
	if (gp == NULL)
		return -EINVAL;
740
	ucontrol->value.integer.value[0] = !check_audio_gpio(gp);
Linus Torvalds's avatar
Linus Torvalds committed
741 742 743
	return 0;
}

744 745
static int tumbler_put_mute_switch(struct snd_kcontrol *kcontrol,
				   struct snd_ctl_elem_value *ucontrol)
Linus Torvalds's avatar
Linus Torvalds committed
746
{
747 748 749
	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
	struct pmac_tumbler *mix;
	struct pmac_gpio *gp;
Linus Torvalds's avatar
Linus Torvalds committed
750 751 752 753 754 755 756
	int val;
#ifdef PMAC_SUPPORT_AUTOMUTE
	if (chip->update_automute && chip->auto_mute)
		return 0; /* don't touch in the auto-mute mode */
#endif	
	if (! (mix = chip->mixer_data))
		return -ENODEV;
757 758 759 760 761 762 763 764 765 766 767 768
	switch(kcontrol->private_value) {
	case TUMBLER_MUTE_HP:
		gp = &mix->hp_mute;	break;
	case TUMBLER_MUTE_AMP:
		gp = &mix->amp_mute;	break;
	case TUMBLER_MUTE_LINE:
		gp = &mix->line_mute;	break;
	default:
		gp = NULL;
	}
	if (gp == NULL)
		return -EINVAL;
769
	val = ! check_audio_gpio(gp);
Linus Torvalds's avatar
Linus Torvalds committed
770 771 772 773 774 775 776
	if (val != ucontrol->value.integer.value[0]) {
		write_audio_gpio(gp, ! ucontrol->value.integer.value[0]);
		return 1;
	}
	return 0;
}

777
static int snapper_set_capture_source(struct pmac_tumbler *mix)
Linus Torvalds's avatar
Linus Torvalds committed
778 779 780
{
	if (! mix->i2c.client)
		return -ENODEV;
781 782 783 784 785
	if (mix->capture_source)
		mix->acs = mix->acs |= 2;
	else
		mix->acs &= ~2;
	return i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs);
Linus Torvalds's avatar
Linus Torvalds committed
786 787
}

788 789
static int snapper_info_capture_source(struct snd_kcontrol *kcontrol,
				       struct snd_ctl_elem_info *uinfo)
Linus Torvalds's avatar
Linus Torvalds committed
790 791 792 793 794 795 796 797 798 799 800 801 802
{
	static char *texts[2] = {
		"Line", "Mic"
	};
	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
	uinfo->count = 1;
	uinfo->value.enumerated.items = 2;
	if (uinfo->value.enumerated.item > 1)
		uinfo->value.enumerated.item = 1;
	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
	return 0;
}

803 804
static int snapper_get_capture_source(struct snd_kcontrol *kcontrol,
				      struct snd_ctl_elem_value *ucontrol)
Linus Torvalds's avatar
Linus Torvalds committed
805
{
806 807
	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
	struct pmac_tumbler *mix = chip->mixer_data;
Linus Torvalds's avatar
Linus Torvalds committed
808

809
	ucontrol->value.enumerated.item[0] = mix->capture_source;
Linus Torvalds's avatar
Linus Torvalds committed
810 811 812
	return 0;
}

813 814
static int snapper_put_capture_source(struct snd_kcontrol *kcontrol,
				      struct snd_ctl_elem_value *ucontrol)
Linus Torvalds's avatar
Linus Torvalds committed
815
{
816 817
	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
	struct pmac_tumbler *mix = chip->mixer_data;
Linus Torvalds's avatar
Linus Torvalds committed
818 819
	int change;

820
	change = ucontrol->value.enumerated.item[0] != mix->capture_source;
Linus Torvalds's avatar
Linus Torvalds committed
821
	if (change) {
822
		mix->capture_source = !!ucontrol->value.enumerated.item[0];
Linus Torvalds's avatar
Linus Torvalds committed
823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840
		snapper_set_capture_source(mix);
	}
	return change;
}

#define DEFINE_SNAPPER_MIX(xname,idx,ofs) { \
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
	.name = xname, \
	.info = snapper_info_mix, \
	.get = snapper_get_mix, \
	.put = snapper_put_mix, \
	.index = idx,\
	.private_value = ofs, \
}


/*
 */
841
static struct snd_kcontrol_new tumbler_mixers[] __devinitdata = {
Linus Torvalds's avatar
Linus Torvalds committed
842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864
	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	  .name = "Master Playback Volume",
	  .info = tumbler_info_master_volume,
	  .get = tumbler_get_master_volume,
	  .put = tumbler_put_master_volume
	},
	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	  .name = "Master Playback Switch",
	  .info = snd_pmac_boolean_stereo_info,
	  .get = tumbler_get_master_switch,
	  .put = tumbler_put_master_switch
	},
	DEFINE_MONO("Tone Control - Bass", bass),
	DEFINE_MONO("Tone Control - Treble", treble),
	DEFINE_MONO("PCM Playback Volume", pcm),
	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	  .name = "DRC Range",
	  .info = tumbler_info_drc_value,
	  .get = tumbler_get_drc_value,
	  .put = tumbler_put_drc_value
	},
};

865
static struct snd_kcontrol_new snapper_mixers[] __devinitdata = {
Linus Torvalds's avatar
Linus Torvalds committed
866 867 868 869 870 871 872 873 874 875 876 877 878
	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	  .name = "Master Playback Volume",
	  .info = tumbler_info_master_volume,
	  .get = tumbler_get_master_volume,
	  .put = tumbler_put_master_volume
	},
	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	  .name = "Master Playback Switch",
	  .info = snd_pmac_boolean_stereo_info,
	  .get = tumbler_get_master_switch,
	  .put = tumbler_put_master_switch
	},
	DEFINE_SNAPPER_MIX("PCM Playback Volume", 0, VOL_IDX_PCM),
879 880
	/* Alternative PCM is assigned to Mic analog loopback on iBook G4 */
	DEFINE_SNAPPER_MIX("Mic Playback Volume", 0, VOL_IDX_PCM2),
Linus Torvalds's avatar
Linus Torvalds committed
881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897
	DEFINE_SNAPPER_MIX("Monitor Mix Volume", 0, VOL_IDX_ADC),
	DEFINE_SNAPPER_MONO("Tone Control - Bass", bass),
	DEFINE_SNAPPER_MONO("Tone Control - Treble", treble),
	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	  .name = "DRC Range",
	  .info = tumbler_info_drc_value,
	  .get = tumbler_get_drc_value,
	  .put = tumbler_put_drc_value
	},
	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	  .name = "Input Source", /* FIXME: "Capture Source" doesn't work properly */
	  .info = snapper_info_capture_source,
	  .get = snapper_get_capture_source,
	  .put = snapper_put_capture_source
	},
};

898
static struct snd_kcontrol_new tumbler_hp_sw __devinitdata = {
Linus Torvalds's avatar
Linus Torvalds committed
899 900 901 902 903 904 905
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	.name = "Headphone Playback Switch",
	.info = snd_pmac_boolean_mono_info,
	.get = tumbler_get_mute_switch,
	.put = tumbler_put_mute_switch,
	.private_value = TUMBLER_MUTE_HP,
};
906
static struct snd_kcontrol_new tumbler_speaker_sw __devinitdata = {
Linus Torvalds's avatar
Linus Torvalds committed
907 908 909 910 911 912 913
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	.name = "PC Speaker Playback Switch",
	.info = snd_pmac_boolean_mono_info,
	.get = tumbler_get_mute_switch,
	.put = tumbler_put_mute_switch,
	.private_value = TUMBLER_MUTE_AMP,
};
914
static struct snd_kcontrol_new tumbler_lineout_sw __devinitdata = {
915 916 917 918 919 920 921
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	.name = "Line Out Playback Switch",
	.info = snd_pmac_boolean_mono_info,
	.get = tumbler_get_mute_switch,
	.put = tumbler_put_mute_switch,
	.private_value = TUMBLER_MUTE_LINE,
};
922
static struct snd_kcontrol_new tumbler_drc_sw __devinitdata = {
Linus Torvalds's avatar
Linus Torvalds committed
923 924 925 926 927 928 929 930 931 932 933 934
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	.name = "DRC Switch",
	.info = snd_pmac_boolean_mono_info,
	.get = tumbler_get_drc_switch,
	.put = tumbler_put_drc_switch
};


#ifdef PMAC_SUPPORT_AUTOMUTE
/*
 * auto-mute stuffs
 */
935
static int tumbler_detect_headphone(struct snd_pmac *chip)
Linus Torvalds's avatar
Linus Torvalds committed
936
{
937
	struct pmac_tumbler *mix = chip->mixer_data;
938 939 940 941 942 943 944
	int detect = 0;

	if (mix->hp_detect.addr)
		detect |= read_audio_gpio(&mix->hp_detect);
	return detect;
}

945
static int tumbler_detect_lineout(struct snd_pmac *chip)
946
{
947
	struct pmac_tumbler *mix = chip->mixer_data;
948 949 950 951 952
	int detect = 0;

	if (mix->line_detect.addr)
		detect |= read_audio_gpio(&mix->line_detect);
	return detect;
Linus Torvalds's avatar
Linus Torvalds committed
953 954
}

955 956
static void check_mute(struct snd_pmac *chip, struct pmac_gpio *gp, int val, int do_notify,
		       struct snd_kcontrol *sw)
Linus Torvalds's avatar
Linus Torvalds committed
957
{
958
	if (check_audio_gpio(gp) != val) {
Linus Torvalds's avatar
Linus Torvalds committed
959 960
		write_audio_gpio(gp, val);
		if (do_notify)
961 962
			snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
				       &sw->id);
Linus Torvalds's avatar
Linus Torvalds committed
963 964 965 966
	}
}

static struct work_struct device_change;
967
static struct snd_pmac *device_change_chip;
Linus Torvalds's avatar
Linus Torvalds committed
968

969
static void device_change_handler(struct work_struct *work)
Linus Torvalds's avatar
Linus Torvalds committed
970
{
971
	struct snd_pmac *chip = device_change_chip;
972
	struct pmac_tumbler *mix;
973
	int headphone, lineout;
Linus Torvalds's avatar
Linus Torvalds committed
974 975 976 977 978

	if (!chip)
		return;

	mix = chip->mixer_data;
979 980
	if (snd_BUG_ON(!mix))
		return;
981

982 983 984 985 986 987 988 989 990 991 992 993 994
	headphone = tumbler_detect_headphone(chip);
	lineout = tumbler_detect_lineout(chip);

	DBG("headphone: %d, lineout: %d\n", headphone, lineout);

	if (headphone || lineout) {
		/* unmute headphone/lineout & mute speaker */
		if (headphone)
			check_mute(chip, &mix->hp_mute, 0, mix->auto_mute_notify,
				   chip->master_sw_ctl);
		if (lineout && mix->line_mute.addr != 0)
			check_mute(chip, &mix->line_mute, 0, mix->auto_mute_notify,
				   chip->lineout_sw_ctl);
995
		if (mix->anded_reset)
996
			msleep(10);
997 998 999
		check_mute(chip, &mix->amp_mute, 1, mix->auto_mute_notify,
			   chip->speaker_sw_ctl);
	} else {
1000
		/* unmute speaker, mute others */
1001 1002 1003
		check_mute(chip, &mix->amp_mute, 0, mix->auto_mute_notify,
			   chip->speaker_sw_ctl);
		if (mix->anded_reset)
1004
			msleep(10);
1005 1006
		check_mute(chip, &mix->hp_mute, 1, mix->auto_mute_notify,
			   chip->master_sw_ctl);
1007 1008 1009
		if (mix->line_mute.addr != 0)
			check_mute(chip, &mix->line_mute, 1, mix->auto_mute_notify,
				   chip->lineout_sw_ctl);
1010
	}
1011
	if (mix->auto_mute_notify)
1012 1013
		snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
				       &chip->hp_detect_ctl->id);
1014 1015 1016 1017

#ifdef CONFIG_SND_POWERMAC_AUTO_DRC
	mix->drc_enable = ! (headphone || lineout);
	if (mix->auto_mute_notify)
1018 1019
		snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
			       &chip->drc_sw_ctl->id);
Linus Torvalds's avatar
Linus Torvalds committed
1020 1021 1022 1023
	if (chip->model == PMAC_TUMBLER)
		tumbler_set_drc(mix);
	else
		snapper_set_drc(mix);
1024
#endif
Linus Torvalds's avatar
Linus Torvalds committed
1025 1026 1027 1028 1029

	/* reset the master volume so the correct amplification is applied */
	tumbler_set_master_volume(mix);
}

1030
static void tumbler_update_automute(struct snd_pmac *chip, int do_notify)
Linus Torvalds's avatar
Linus Torvalds committed
1031 1032
{
	if (chip->auto_mute) {
1033
		struct pmac_tumbler *mix;
1034
		mix = chip->mixer_data;
1035 1036
		if (snd_BUG_ON(!mix))
			return;
1037
		mix->auto_mute_notify = do_notify;
Linus Torvalds's avatar
Linus Torvalds committed
1038 1039 1040 1041 1042 1043 1044
		schedule_work(&device_change);
	}
}
#endif /* PMAC_SUPPORT_AUTOMUTE */


/* interrupt - headphone plug changed */
1045
static irqreturn_t headphone_intr(int irq, void *devid)
Linus Torvalds's avatar
Linus Torvalds committed
1046
{
1047
	struct snd_pmac *chip = devid;
Linus Torvalds's avatar
Linus Torvalds committed
1048 1049 1050 1051 1052 1053 1054 1055 1056 1057
	if (chip->update_automute && chip->initialized) {
		chip->update_automute(chip, 1);
		return IRQ_HANDLED;
	}
	return IRQ_NONE;
}

/* look for audio-gpio device */
static struct device_node *find_audio_device(const char *name)
{
1058
	struct device_node *gpiop;
Linus Torvalds's avatar
Linus Torvalds committed
1059 1060
	struct device_node *np;
  
1061 1062
	gpiop = of_find_node_by_name(NULL, "gpio");
	if (! gpiop)
Linus Torvalds's avatar
Linus Torvalds committed
1063 1064
		return NULL;
  
1065 1066
	for (np = of_get_next_child(gpiop, NULL); np;
			np = of_get_next_child(gpiop, np)) {
1067
		const char *property = of_get_property(np, "audio-gpio", NULL);
Linus Torvalds's avatar
Linus Torvalds committed
1068
		if (property && strcmp(property, name) == 0)
1069
			break;
Linus Torvalds's avatar
Linus Torvalds committed
1070
	}  
1071 1072
	of_node_put(gpiop);
	return np;
Linus Torvalds's avatar
Linus Torvalds committed
1073 1074 1075 1076 1077
}

/* look for audio-gpio device */
static struct device_node *find_compatible_audio_device(const char *name)
{
1078
	struct device_node *gpiop;
Linus Torvalds's avatar
Linus Torvalds committed
1079 1080
	struct device_node *np;
  
1081 1082
	gpiop = of_find_node_by_name(NULL, "gpio");
	if (!gpiop)
Linus Torvalds's avatar
Linus Torvalds committed
1083 1084
		return NULL;
  
1085 1086
	for (np = of_get_next_child(gpiop, NULL); np;
			np = of_get_next_child(gpiop, np)) {
1087
		if (of_device_is_compatible(np, name))
1088
			break;
Linus Torvalds's avatar
Linus Torvalds committed
1089
	}  
1090 1091
	of_node_put(gpiop);
	return np;
Linus Torvalds's avatar
Linus Torvalds committed
1092 1093 1094
}

/* find an audio device and get its address */
1095 1096
static long tumbler_find_device(const char *device, const char *platform,
				struct pmac_gpio *gp, int is_compatible)
Linus Torvalds's avatar
Linus Torvalds committed
1097 1098
{
	struct device_node *node;
1099 1100
	const u32 *base;
	u32 addr;
1101
	long ret;
Linus Torvalds's avatar
Linus Torvalds committed
1102 1103 1104 1105 1106 1107

	if (is_compatible)
		node = find_compatible_audio_device(device);
	else
		node = find_audio_device(device);
	if (! node) {
1108
		DBG("(W) cannot find audio device %s !\n", device);
Linus Torvalds's avatar
Linus Torvalds committed
1109 1110 1111 1112
		snd_printdd("cannot find device %s\n", device);
		return -ENODEV;
	}

1113
	base = of_get_property(node, "AAPL,address", NULL);
Linus Torvalds's avatar
Linus Torvalds committed
1114
	if (! base) {
1115
		base = of_get_property(node, "reg", NULL);
1116
		if (!base) {
1117
			DBG("(E) cannot find address for device %s !\n", device);
1118
			snd_printd("cannot find address for device %s\n", device);
1119
			of_node_put(node);
1120 1121 1122 1123 1124 1125 1126
			return -ENODEV;
		}
		addr = *base;
		if (addr < 0x50)
			addr += 0x50;
	} else
		addr = *base;
Linus Torvalds's avatar
Linus Torvalds committed
1127

1128 1129
	gp->addr = addr & 0x0000ffff;
	/* Try to find the active state, default to 0 ! */
1130
	base = of_get_property(node, "audio-gpio-active-state", NULL);
1131
	if (base) {
Linus Torvalds's avatar
Linus Torvalds committed
1132
		gp->active_state = *base;
1133 1134 1135
		gp->active_val = (*base) ? 0x5 : 0x4;
		gp->inactive_val = (*base) ? 0x4 : 0x5;
	} else {
1136
		const u32 *prop = NULL;
1137
		gp->active_state = 0;
1138 1139 1140 1141 1142 1143 1144
		gp->active_val = 0x4;
		gp->inactive_val = 0x5;
		/* Here are some crude hacks to extract the GPIO polarity and
		 * open collector informations out of the do-platform script
		 * as we don't yet have an interpreter for these things
		 */
		if (platform)
1145
			prop = of_get_property(node, platform, NULL);
1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159
		if (prop) {
			if (prop[3] == 0x9 && prop[4] == 0x9) {
				gp->active_val = 0xd;
				gp->inactive_val = 0xc;
			}
			if (prop[3] == 0x1 && prop[4] == 0x1) {
				gp->active_val = 0x5;
				gp->inactive_val = 0x4;
			}
		}
	}

	DBG("(I) GPIO device %s found, offset: %x, active state: %d !\n",
	    device, gp->addr, gp->active_state);
Linus Torvalds's avatar
Linus Torvalds committed
1160

1161 1162 1163
	ret = irq_of_parse_and_map(node, 0);
	of_node_put(node);
	return ret;
Linus Torvalds's avatar
Linus Torvalds committed
1164 1165 1166
}

/* reset audio */
1167
static void tumbler_reset_audio(struct snd_pmac *chip)
Linus Torvalds's avatar
Linus Torvalds committed
1168
{
1169
	struct pmac_tumbler *mix = chip->mixer_data;
Linus Torvalds's avatar
Linus Torvalds committed
1170

1171
	if (mix->anded_reset) {
1172
		DBG("(I) codec anded reset !\n");
1173 1174
		write_audio_gpio(&mix->hp_mute, 0);
		write_audio_gpio(&mix->amp_mute, 0);
1175
		msleep(200);
1176 1177
		write_audio_gpio(&mix->hp_mute, 1);
		write_audio_gpio(&mix->amp_mute, 1);
1178
		msleep(100);
1179 1180
		write_audio_gpio(&mix->hp_mute, 0);
		write_audio_gpio(&mix->amp_mute, 0);
1181
		msleep(100);
1182
	} else {
1183 1184
		DBG("(I) codec normal reset !\n");

1185
		write_audio_gpio(&mix->audio_reset, 0);
1186
		msleep(200);
1187
		write_audio_gpio(&mix->audio_reset, 1);
1188
		msleep(100);
1189
		write_audio_gpio(&mix->audio_reset, 0);
1190
		msleep(100);
1191
	}
Linus Torvalds's avatar
Linus Torvalds committed
1192 1193
}

1194
#ifdef CONFIG_PM
1195
/* suspend mixer */
1196
static void tumbler_suspend(struct snd_pmac *chip)
1197
{
1198
	struct pmac_tumbler *mix = chip->mixer_data;
1199 1200 1201

	if (mix->headphone_irq >= 0)
		disable_irq(mix->headphone_irq);
1202 1203
	if (mix->lineout_irq >= 0)
		disable_irq(mix->lineout_irq);
1204 1205
	mix->save_master_switch[0] = mix->master_switch[0];
	mix->save_master_switch[1] = mix->master_switch[1];
1206 1207
	mix->save_master_vol[0] = mix->master_vol[0];
	mix->save_master_vol[1] = mix->master_vol[1];
1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224
	mix->master_switch[0] = mix->master_switch[1] = 0;
	tumbler_set_master_volume(mix);
	if (!mix->anded_reset) {
		write_audio_gpio(&mix->amp_mute, 1);
		write_audio_gpio(&mix->hp_mute, 1);
	}
	if (chip->model == PMAC_SNAPPER) {
		mix->acs |= 1;
		i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs);
	}
	if (mix->anded_reset) {
		write_audio_gpio(&mix->amp_mute, 1);
		write_audio_gpio(&mix->hp_mute, 1);
	} else
		write_audio_gpio(&mix->audio_reset, 1);
}

Linus Torvalds's avatar
Linus Torvalds committed
1225
/* resume mixer */
1226
static void tumbler_resume(struct snd_pmac *chip)
Linus Torvalds's avatar
Linus Torvalds committed
1227
{
1228
	struct pmac_tumbler *mix = chip->mixer_data;
Linus Torvalds's avatar
Linus Torvalds committed
1229

1230 1231 1232
	mix->acs &= ~1;
	mix->master_switch[0] = mix->save_master_switch[0];
	mix->master_switch[1] = mix->save_master_switch[1];
1233 1234
	mix->master_vol[0] = mix->save_master_vol[0];
	mix->master_vol[1] = mix->save_master_vol[1];
Linus Torvalds's avatar
Linus Torvalds committed
1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257
	tumbler_reset_audio(chip);
	if (mix->i2c.client && mix->i2c.init_client) {
		if (mix->i2c.init_client(&mix->i2c) < 0)
			printk(KERN_ERR "tumbler_init_client error\n");
	} else
		printk(KERN_ERR "tumbler: i2c is not initialized\n");
	if (chip->model == PMAC_TUMBLER) {
		tumbler_set_mono_volume(mix, &tumbler_pcm_vol_info);
		tumbler_set_mono_volume(mix, &tumbler_bass_vol_info);
		tumbler_set_mono_volume(mix, &tumbler_treble_vol_info);
		tumbler_set_drc(mix);
	} else {
		snapper_set_mix_vol(mix, VOL_IDX_PCM);
		snapper_set_mix_vol(mix, VOL_IDX_PCM2);
		snapper_set_mix_vol(mix, VOL_IDX_ADC);
		tumbler_set_mono_volume(mix, &snapper_bass_vol_info);
		tumbler_set_mono_volume(mix, &snapper_treble_vol_info);
		snapper_set_drc(mix);
		snapper_set_capture_source(mix);
	}
	tumbler_set_master_volume(mix);
	if (chip->update_automute)
		chip->update_automute(chip, 0);
1258 1259 1260
	if (mix->headphone_irq >= 0) {
		unsigned char val;

1261
		enable_irq(mix->headphone_irq);
1262 1263 1264 1265
		/* activate headphone status interrupts */
		val = do_gpio_read(&mix->hp_detect);
		do_gpio_write(&mix->hp_detect, val | 0x80);
	}
1266 1267
	if (mix->lineout_irq >= 0)
		enable_irq(mix->lineout_irq);
Linus Torvalds's avatar
Linus Torvalds committed
1268 1269 1270 1271
}
#endif

/* initialize tumbler */
1272
static int __devinit tumbler_init(struct snd_pmac *chip)
Linus Torvalds's avatar
Linus Torvalds committed
1273
{
1274
	int irq;
1275
	struct pmac_tumbler *mix = chip->mixer_data;
Linus Torvalds's avatar
Linus Torvalds committed
1276

1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302
	if (tumbler_find_device("audio-hw-reset",
				"platform-do-hw-reset",
				&mix->audio_reset, 0) < 0)
		tumbler_find_device("hw-reset",
				    "platform-do-hw-reset",
				    &mix->audio_reset, 1);
	if (tumbler_find_device("amp-mute",
				"platform-do-amp-mute",
				&mix->amp_mute, 0) < 0)
		tumbler_find_device("amp-mute",
				    "platform-do-amp-mute",
				    &mix->amp_mute, 1);
	if (tumbler_find_device("headphone-mute",
				"platform-do-headphone-mute",
				&mix->hp_mute, 0) < 0)
		tumbler_find_device("headphone-mute",
				    "platform-do-headphone-mute",
				    &mix->hp_mute, 1);
	if (tumbler_find_device("line-output-mute",
				"platform-do-lineout-mute",
				&mix->line_mute, 0) < 0)
		tumbler_find_device("line-output-mute",
				   "platform-do-lineout-mute",
				    &mix->line_mute, 1);
	irq = tumbler_find_device("headphone-detect",
				  NULL, &mix->hp_detect, 0);
1303
	if (irq <= NO_IRQ)
1304 1305
		irq = tumbler_find_device("headphone-detect",
					  NULL, &mix->hp_detect, 1);
1306
	if (irq <= NO_IRQ)
1307 1308 1309 1310 1311
		irq = tumbler_find_device("keywest-gpio15",
					  NULL, &mix->hp_detect, 1);
	mix->headphone_irq = irq;
 	irq = tumbler_find_device("line-output-detect",
				  NULL, &mix->line_detect, 0);
1312
 	if (irq <= NO_IRQ)
1313 1314 1315
		irq = tumbler_find_device("line-output-detect",
					  NULL, &mix->line_detect, 1);
	mix->lineout_irq = irq;
Linus Torvalds's avatar
Linus Torvalds committed
1316 1317 1318 1319 1320 1321

	tumbler_reset_audio(chip);
  
	return 0;
}

1322
static void tumbler_cleanup(struct snd_pmac *chip)
Linus Torvalds's avatar
Linus Torvalds committed
1323
{
1324
	struct pmac_tumbler *mix = chip->mixer_data;
Linus Torvalds's avatar
Linus Torvalds committed
1325 1326 1327 1328 1329
	if (! mix)
		return;

	if (mix->headphone_irq >= 0)
		free_irq(mix->headphone_irq, chip);
1330 1331
	if (mix->lineout_irq >= 0)
		free_irq(mix->lineout_irq, chip);
Linus Torvalds's avatar
Linus Torvalds committed
1332 1333 1334 1335 1336 1337 1338 1339 1340 1341
	tumbler_gpio_free(&mix->audio_reset);
	tumbler_gpio_free(&mix->amp_mute);
	tumbler_gpio_free(&mix->hp_mute);
	tumbler_gpio_free(&mix->hp_detect);
	snd_pmac_keywest_cleanup(&mix->i2c);
	kfree(mix);
	chip->mixer_data = NULL;
}

/* exported */
1342
int __devinit snd_pmac_tumbler_init(struct snd_pmac *chip)
Linus Torvalds's avatar
Linus Torvalds committed
1343 1344
{
	int i, err;
1345
	struct pmac_tumbler *mix;
1346
	const u32 *paddr;
1347
	struct device_node *tas_node, *np;
Linus Torvalds's avatar
Linus Torvalds committed
1348 1349
	char *chipname;

Jan Blunck's avatar
Jan Blunck committed
1350
	request_module("i2c-powermac");
Linus Torvalds's avatar
Linus Torvalds committed
1351

1352
	mix = kzalloc(sizeof(*mix), GFP_KERNEL);
Linus Torvalds's avatar
Linus Torvalds committed
1353 1354 1355 1356 1357 1358
	if (! mix)
		return -ENOMEM;
	mix->headphone_irq = -1;

	chip->mixer_data = mix;
	chip->mixer_free = tumbler_cleanup;
1359 1360 1361 1362 1363
	mix->anded_reset = 0;
	mix->reset_on_sleep = 1;

	for (np = chip->node->child; np; np = np->sibling) {
		if (!strcmp(np->name, "sound")) {
1364
			if (of_get_property(np, "has-anded-reset", NULL))
1365
				mix->anded_reset = 1;
1366
			if (of_get_property(np, "layout-id", NULL))
1367 1368 1369 1370
				mix->reset_on_sleep = 0;
			break;
		}
	}
Linus Torvalds's avatar
Linus Torvalds committed
1371 1372 1373 1374
	if ((err = tumbler_init(chip)) < 0)
		return err;

	/* set up TAS */
1375
	tas_node = of_find_node_by_name(NULL, "deq");
1376
	if (tas_node == NULL)
1377
		tas_node = of_find_node_by_name(NULL, "codec");
Linus Torvalds's avatar
Linus Torvalds committed
1378 1379 1380
	if (tas_node == NULL)
		return -ENODEV;

1381
	paddr = of_get_property(tas_node, "i2c-address", NULL);
1382
	if (paddr == NULL)
1383
		paddr = of_get_property(tas_node, "reg", NULL);
Linus Torvalds's avatar
Linus Torvalds committed
1384 1385 1386 1387
	if (paddr)
		mix->i2c.addr = (*paddr) >> 1;
	else
		mix->i2c.addr = TAS_I2C_ADDR;