1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * PMac Tumbler/Snapper lowlevel functions
4 *
5 * Copyright (c) by Takashi Iwai <tiwai@suse.de>
6 *
7 * Rene Rebe <rene.rebe@gmx.net>:
8 * * update from shadow registers on wakeup and headphone plug
9 * * automatically toggle DRC on headphone plug
10 */
11
12
13 #include <linux/init.h>
14 #include <linux/delay.h>
15 #include <linux/i2c.h>
16 #include <linux/kmod.h>
17 #include <linux/slab.h>
18 #include <linux/interrupt.h>
19 #include <linux/string.h>
20 #include <linux/of_irq.h>
21 #include <linux/io.h>
22 #include <sound/core.h>
23 #include <asm/irq.h>
24 #include <asm/machdep.h>
25 #include <asm/pmac_feature.h>
26 #include "pmac.h"
27 #include "tumbler_volume.h"
28
29 #undef DEBUG
30
31 #ifdef DEBUG
32 #define DBG(fmt...) pr_debug(fmt)
33 #else
34 #define DBG(fmt...)
35 #endif
36
37 #define IS_G4DA (of_machine_is_compatible("PowerMac3,4"))
38
39 /* i2c address for tumbler */
40 #define TAS_I2C_ADDR 0x34
41
42 /* registers */
43 #define TAS_REG_MCS 0x01 /* main control */
44 #define TAS_REG_DRC 0x02
45 #define TAS_REG_VOL 0x04
46 #define TAS_REG_TREBLE 0x05
47 #define TAS_REG_BASS 0x06
48 #define TAS_REG_INPUT1 0x07
49 #define TAS_REG_INPUT2 0x08
50
51 /* tas3001c */
52 #define TAS_REG_PCM TAS_REG_INPUT1
53
54 /* tas3004 */
55 #define TAS_REG_LMIX TAS_REG_INPUT1
56 #define TAS_REG_RMIX TAS_REG_INPUT2
57 #define TAS_REG_MCS2 0x43 /* main control 2 */
58 #define TAS_REG_ACS 0x40 /* analog control */
59
60 /* mono volumes for tas3001c/tas3004 */
61 enum {
62 VOL_IDX_PCM_MONO, /* tas3001c only */
63 VOL_IDX_BASS, VOL_IDX_TREBLE,
64 VOL_IDX_LAST_MONO
65 };
66
67 /* stereo volumes for tas3004 */
68 enum {
69 VOL_IDX_PCM, VOL_IDX_PCM2, VOL_IDX_ADC,
70 VOL_IDX_LAST_MIX
71 };
72
73 struct pmac_gpio {
74 unsigned int addr;
75 u8 active_val;
76 u8 inactive_val;
77 u8 active_state;
78 };
79
80 struct pmac_tumbler {
81 struct pmac_keywest i2c;
82 struct pmac_gpio audio_reset;
83 struct pmac_gpio amp_mute;
84 struct pmac_gpio line_mute;
85 struct pmac_gpio line_detect;
86 struct pmac_gpio hp_mute;
87 struct pmac_gpio hp_detect;
88 int headphone_irq;
89 int lineout_irq;
90 unsigned int save_master_vol[2];
91 unsigned int master_vol[2];
92 unsigned int save_master_switch[2];
93 unsigned int master_switch[2];
94 unsigned int mono_vol[VOL_IDX_LAST_MONO];
95 unsigned int mix_vol[VOL_IDX_LAST_MIX][2]; /* stereo volumes for tas3004 */
96 int drc_range;
97 int drc_enable;
98 int capture_source;
99 int anded_reset;
100 int auto_mute_notify;
101 int reset_on_sleep;
102 u8 acs;
103 };
104
105
106 /*
107 */
108
send_init_client(struct pmac_keywest * i2c,const unsigned int * regs)109 static int send_init_client(struct pmac_keywest *i2c, const unsigned int *regs)
110 {
111 while (*regs > 0) {
112 int err, count = 10;
113 do {
114 err = i2c_smbus_write_byte_data(i2c->client,
115 regs[0], regs[1]);
116 if (err >= 0)
117 break;
118 DBG("(W) i2c error %d\n", err);
119 mdelay(10);
120 } while (count--);
121 if (err < 0)
122 return -ENXIO;
123 regs += 2;
124 }
125 return 0;
126 }
127
128
tumbler_init_client(struct pmac_keywest * i2c)129 static int tumbler_init_client(struct pmac_keywest *i2c)
130 {
131 static const unsigned int regs[] = {
132 /* normal operation, SCLK=64fps, i2s output, i2s input, 16bit width */
133 TAS_REG_MCS, (1<<6)|(2<<4)|(2<<2)|0,
134 0, /* terminator */
135 };
136 DBG("(I) tumbler init client\n");
137 return send_init_client(i2c, regs);
138 }
139
snapper_init_client(struct pmac_keywest * i2c)140 static int snapper_init_client(struct pmac_keywest *i2c)
141 {
142 static const unsigned int regs[] = {
143 /* normal operation, SCLK=64fps, i2s output, 16bit width */
144 TAS_REG_MCS, (1<<6)|(2<<4)|0,
145 /* normal operation, all-pass mode */
146 TAS_REG_MCS2, (1<<1),
147 /* normal output, no deemphasis, A input, power-up, line-in */
148 TAS_REG_ACS, 0,
149 0, /* terminator */
150 };
151 DBG("(I) snapper init client\n");
152 return send_init_client(i2c, regs);
153 }
154
155 /*
156 * gpio access
157 */
158 #define do_gpio_write(gp, val) \
159 pmac_call_feature(PMAC_FTR_WRITE_GPIO, NULL, (gp)->addr, val)
160 #define do_gpio_read(gp) \
161 pmac_call_feature(PMAC_FTR_READ_GPIO, NULL, (gp)->addr, 0)
162 #define tumbler_gpio_free(gp) /* NOP */
163
write_audio_gpio(struct pmac_gpio * gp,int active)164 static void write_audio_gpio(struct pmac_gpio *gp, int active)
165 {
166 if (! gp->addr)
167 return;
168 active = active ? gp->active_val : gp->inactive_val;
169 do_gpio_write(gp, active);
170 DBG("(I) gpio %x write %d\n", gp->addr, active);
171 }
172
check_audio_gpio(struct pmac_gpio * gp)173 static int check_audio_gpio(struct pmac_gpio *gp)
174 {
175 int ret;
176
177 if (! gp->addr)
178 return 0;
179
180 ret = do_gpio_read(gp);
181
182 return (ret & 0x1) == (gp->active_val & 0x1);
183 }
184
read_audio_gpio(struct pmac_gpio * gp)185 static int read_audio_gpio(struct pmac_gpio *gp)
186 {
187 int ret;
188 if (! gp->addr)
189 return 0;
190 ret = do_gpio_read(gp);
191 ret = (ret & 0x02) !=0;
192 return ret == gp->active_state;
193 }
194
195 /*
196 * update master volume
197 */
tumbler_set_master_volume(struct pmac_tumbler * mix)198 static int tumbler_set_master_volume(struct pmac_tumbler *mix)
199 {
200 unsigned char block[6];
201 unsigned int left_vol, right_vol;
202
203 if (! mix->i2c.client)
204 return -ENODEV;
205
206 if (! mix->master_switch[0])
207 left_vol = 0;
208 else {
209 left_vol = mix->master_vol[0];
210 if (left_vol >= ARRAY_SIZE(master_volume_table))
211 left_vol = ARRAY_SIZE(master_volume_table) - 1;
212 left_vol = master_volume_table[left_vol];
213 }
214 if (! mix->master_switch[1])
215 right_vol = 0;
216 else {
217 right_vol = mix->master_vol[1];
218 if (right_vol >= ARRAY_SIZE(master_volume_table))
219 right_vol = ARRAY_SIZE(master_volume_table) - 1;
220 right_vol = master_volume_table[right_vol];
221 }
222
223 block[0] = (left_vol >> 16) & 0xff;
224 block[1] = (left_vol >> 8) & 0xff;
225 block[2] = (left_vol >> 0) & 0xff;
226
227 block[3] = (right_vol >> 16) & 0xff;
228 block[4] = (right_vol >> 8) & 0xff;
229 block[5] = (right_vol >> 0) & 0xff;
230
231 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_VOL, 6,
232 block) < 0) {
233 dev_err(&mix->i2c.client->dev, "failed to set volume\n");
234 return -EINVAL;
235 }
236 DBG("(I) succeeded to set volume (%u, %u)\n", left_vol, right_vol);
237 return 0;
238 }
239
240
241 /* output volume */
tumbler_info_master_volume(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)242 static int tumbler_info_master_volume(struct snd_kcontrol *kcontrol,
243 struct snd_ctl_elem_info *uinfo)
244 {
245 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
246 uinfo->count = 2;
247 uinfo->value.integer.min = 0;
248 uinfo->value.integer.max = ARRAY_SIZE(master_volume_table) - 1;
249 return 0;
250 }
251
tumbler_get_master_volume(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)252 static int tumbler_get_master_volume(struct snd_kcontrol *kcontrol,
253 struct snd_ctl_elem_value *ucontrol)
254 {
255 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
256 struct pmac_tumbler *mix = chip->mixer_data;
257
258 ucontrol->value.integer.value[0] = mix->master_vol[0];
259 ucontrol->value.integer.value[1] = mix->master_vol[1];
260 return 0;
261 }
262
tumbler_put_master_volume(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)263 static int tumbler_put_master_volume(struct snd_kcontrol *kcontrol,
264 struct snd_ctl_elem_value *ucontrol)
265 {
266 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
267 struct pmac_tumbler *mix = chip->mixer_data;
268 unsigned int vol[2];
269 int change;
270
271 vol[0] = ucontrol->value.integer.value[0];
272 vol[1] = ucontrol->value.integer.value[1];
273 if (vol[0] >= ARRAY_SIZE(master_volume_table) ||
274 vol[1] >= ARRAY_SIZE(master_volume_table))
275 return -EINVAL;
276 change = mix->master_vol[0] != vol[0] ||
277 mix->master_vol[1] != vol[1];
278 if (change) {
279 mix->master_vol[0] = vol[0];
280 mix->master_vol[1] = vol[1];
281 tumbler_set_master_volume(mix);
282 }
283 return change;
284 }
285
286 /* output switch */
tumbler_get_master_switch(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)287 static int tumbler_get_master_switch(struct snd_kcontrol *kcontrol,
288 struct snd_ctl_elem_value *ucontrol)
289 {
290 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
291 struct pmac_tumbler *mix = chip->mixer_data;
292
293 ucontrol->value.integer.value[0] = mix->master_switch[0];
294 ucontrol->value.integer.value[1] = mix->master_switch[1];
295 return 0;
296 }
297
tumbler_put_master_switch(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)298 static int tumbler_put_master_switch(struct snd_kcontrol *kcontrol,
299 struct snd_ctl_elem_value *ucontrol)
300 {
301 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
302 struct pmac_tumbler *mix = chip->mixer_data;
303 int change;
304
305 change = mix->master_switch[0] != ucontrol->value.integer.value[0] ||
306 mix->master_switch[1] != ucontrol->value.integer.value[1];
307 if (change) {
308 mix->master_switch[0] = !!ucontrol->value.integer.value[0];
309 mix->master_switch[1] = !!ucontrol->value.integer.value[1];
310 tumbler_set_master_volume(mix);
311 }
312 return change;
313 }
314
315
316 /*
317 * TAS3001c dynamic range compression
318 */
319
320 #define TAS3001_DRC_MAX 0x5f
321
tumbler_set_drc(struct pmac_tumbler * mix)322 static int tumbler_set_drc(struct pmac_tumbler *mix)
323 {
324 unsigned char val[2];
325
326 if (! mix->i2c.client)
327 return -ENODEV;
328
329 if (mix->drc_enable) {
330 val[0] = 0xc1; /* enable, 3:1 compression */
331 if (mix->drc_range > TAS3001_DRC_MAX)
332 val[1] = 0xf0;
333 else if (mix->drc_range < 0)
334 val[1] = 0x91;
335 else
336 val[1] = mix->drc_range + 0x91;
337 } else {
338 val[0] = 0;
339 val[1] = 0;
340 }
341
342 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_DRC,
343 2, val) < 0) {
344 dev_err(&mix->i2c.client->dev, "failed to set DRC\n");
345 return -EINVAL;
346 }
347 DBG("(I) succeeded to set DRC (%u, %u)\n", val[0], val[1]);
348 return 0;
349 }
350
351 /*
352 * TAS3004
353 */
354
355 #define TAS3004_DRC_MAX 0xef
356
snapper_set_drc(struct pmac_tumbler * mix)357 static int snapper_set_drc(struct pmac_tumbler *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_i2c_block_data(mix->i2c.client, TAS_REG_DRC,
380 6, val) < 0) {
381 dev_err(&mix->i2c.client->dev, "failed to set DRC\n");
382 return -EINVAL;
383 }
384 DBG("(I) succeeded to set DRC (%u, %u)\n", val[0], val[1]);
385 return 0;
386 }
387
tumbler_info_drc_value(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)388 static int tumbler_info_drc_value(struct snd_kcontrol *kcontrol,
389 struct snd_ctl_elem_info *uinfo)
390 {
391 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
392 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
393 uinfo->count = 1;
394 uinfo->value.integer.min = 0;
395 uinfo->value.integer.max =
396 chip->model == PMAC_TUMBLER ? TAS3001_DRC_MAX : TAS3004_DRC_MAX;
397 return 0;
398 }
399
tumbler_get_drc_value(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)400 static int tumbler_get_drc_value(struct snd_kcontrol *kcontrol,
401 struct snd_ctl_elem_value *ucontrol)
402 {
403 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
404 struct pmac_tumbler *mix;
405 mix = chip->mixer_data;
406 if (!mix)
407 return -ENODEV;
408 ucontrol->value.integer.value[0] = mix->drc_range;
409 return 0;
410 }
411
tumbler_put_drc_value(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)412 static int tumbler_put_drc_value(struct snd_kcontrol *kcontrol,
413 struct snd_ctl_elem_value *ucontrol)
414 {
415 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
416 struct pmac_tumbler *mix;
417 unsigned int val;
418 int change;
419
420 mix = chip->mixer_data;
421 if (!mix)
422 return -ENODEV;
423 val = ucontrol->value.integer.value[0];
424 if (chip->model == PMAC_TUMBLER) {
425 if (val > TAS3001_DRC_MAX)
426 return -EINVAL;
427 } else {
428 if (val > TAS3004_DRC_MAX)
429 return -EINVAL;
430 }
431 change = mix->drc_range != val;
432 if (change) {
433 mix->drc_range = val;
434 if (chip->model == PMAC_TUMBLER)
435 tumbler_set_drc(mix);
436 else
437 snapper_set_drc(mix);
438 }
439 return change;
440 }
441
tumbler_get_drc_switch(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)442 static int tumbler_get_drc_switch(struct snd_kcontrol *kcontrol,
443 struct snd_ctl_elem_value *ucontrol)
444 {
445 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
446 struct pmac_tumbler *mix;
447 mix = chip->mixer_data;
448 if (!mix)
449 return -ENODEV;
450 ucontrol->value.integer.value[0] = mix->drc_enable;
451 return 0;
452 }
453
tumbler_put_drc_switch(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)454 static int tumbler_put_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 int change;
460
461 mix = chip->mixer_data;
462 if (!mix)
463 return -ENODEV;
464 change = mix->drc_enable != ucontrol->value.integer.value[0];
465 if (change) {
466 mix->drc_enable = !!ucontrol->value.integer.value[0];
467 if (chip->model == PMAC_TUMBLER)
468 tumbler_set_drc(mix);
469 else
470 snapper_set_drc(mix);
471 }
472 return change;
473 }
474
475
476 /*
477 * mono volumes
478 */
479
480 struct tumbler_mono_vol {
481 int index;
482 int reg;
483 int bytes;
484 unsigned int max;
485 const unsigned int *table;
486 };
487
tumbler_set_mono_volume(struct pmac_tumbler * mix,const struct tumbler_mono_vol * info)488 static int tumbler_set_mono_volume(struct pmac_tumbler *mix,
489 const struct tumbler_mono_vol *info)
490 {
491 unsigned char block[4];
492 unsigned int vol;
493 int i;
494
495 if (! mix->i2c.client)
496 return -ENODEV;
497
498 vol = mix->mono_vol[info->index];
499 if (vol >= info->max)
500 vol = info->max - 1;
501 vol = info->table[vol];
502 for (i = 0; i < info->bytes; i++)
503 block[i] = (vol >> ((info->bytes - i - 1) * 8)) & 0xff;
504 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, info->reg,
505 info->bytes, block) < 0) {
506 dev_err(&mix->i2c.client->dev, "failed to set mono volume %d\n",
507 info->index);
508 return -EINVAL;
509 }
510 return 0;
511 }
512
tumbler_info_mono(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)513 static int tumbler_info_mono(struct snd_kcontrol *kcontrol,
514 struct snd_ctl_elem_info *uinfo)
515 {
516 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
517
518 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
519 uinfo->count = 1;
520 uinfo->value.integer.min = 0;
521 uinfo->value.integer.max = info->max - 1;
522 return 0;
523 }
524
tumbler_get_mono(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)525 static int tumbler_get_mono(struct snd_kcontrol *kcontrol,
526 struct snd_ctl_elem_value *ucontrol)
527 {
528 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
529 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
530 struct pmac_tumbler *mix;
531 mix = chip->mixer_data;
532 if (!mix)
533 return -ENODEV;
534 ucontrol->value.integer.value[0] = mix->mono_vol[info->index];
535 return 0;
536 }
537
tumbler_put_mono(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)538 static int tumbler_put_mono(struct snd_kcontrol *kcontrol,
539 struct snd_ctl_elem_value *ucontrol)
540 {
541 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
542 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
543 struct pmac_tumbler *mix;
544 unsigned int vol;
545 int change;
546
547 mix = chip->mixer_data;
548 if (!mix)
549 return -ENODEV;
550 vol = ucontrol->value.integer.value[0];
551 if (vol >= info->max)
552 return -EINVAL;
553 change = mix->mono_vol[info->index] != vol;
554 if (change) {
555 mix->mono_vol[info->index] = vol;
556 tumbler_set_mono_volume(mix, info);
557 }
558 return change;
559 }
560
561 /* TAS3001c mono volumes */
562 static const struct tumbler_mono_vol tumbler_pcm_vol_info = {
563 .index = VOL_IDX_PCM_MONO,
564 .reg = TAS_REG_PCM,
565 .bytes = 3,
566 .max = ARRAY_SIZE(mixer_volume_table),
567 .table = mixer_volume_table,
568 };
569
570 static const struct tumbler_mono_vol tumbler_bass_vol_info = {
571 .index = VOL_IDX_BASS,
572 .reg = TAS_REG_BASS,
573 .bytes = 1,
574 .max = ARRAY_SIZE(bass_volume_table),
575 .table = bass_volume_table,
576 };
577
578 static const struct tumbler_mono_vol tumbler_treble_vol_info = {
579 .index = VOL_IDX_TREBLE,
580 .reg = TAS_REG_TREBLE,
581 .bytes = 1,
582 .max = ARRAY_SIZE(treble_volume_table),
583 .table = treble_volume_table,
584 };
585
586 /* TAS3004 mono volumes */
587 static const struct tumbler_mono_vol snapper_bass_vol_info = {
588 .index = VOL_IDX_BASS,
589 .reg = TAS_REG_BASS,
590 .bytes = 1,
591 .max = ARRAY_SIZE(snapper_bass_volume_table),
592 .table = snapper_bass_volume_table,
593 };
594
595 static const struct tumbler_mono_vol snapper_treble_vol_info = {
596 .index = VOL_IDX_TREBLE,
597 .reg = TAS_REG_TREBLE,
598 .bytes = 1,
599 .max = ARRAY_SIZE(snapper_treble_volume_table),
600 .table = snapper_treble_volume_table,
601 };
602
603
604 #define DEFINE_MONO(xname,type) { \
605 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
606 .name = xname, \
607 .info = tumbler_info_mono, \
608 .get = tumbler_get_mono, \
609 .put = tumbler_put_mono, \
610 .private_value = (unsigned long)(&tumbler_##type##_vol_info), \
611 }
612
613 #define DEFINE_SNAPPER_MONO(xname,type) { \
614 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
615 .name = xname, \
616 .info = tumbler_info_mono, \
617 .get = tumbler_get_mono, \
618 .put = tumbler_put_mono, \
619 .private_value = (unsigned long)(&snapper_##type##_vol_info), \
620 }
621
622
623 /*
624 * snapper mixer volumes
625 */
626
snapper_set_mix_vol1(struct pmac_tumbler * mix,int idx,int ch,int reg)627 static int snapper_set_mix_vol1(struct pmac_tumbler *mix, int idx, int ch, int reg)
628 {
629 int i, j, vol;
630 unsigned char block[9];
631
632 vol = mix->mix_vol[idx][ch];
633 if (vol >= ARRAY_SIZE(mixer_volume_table)) {
634 vol = ARRAY_SIZE(mixer_volume_table) - 1;
635 mix->mix_vol[idx][ch] = vol;
636 }
637
638 for (i = 0; i < 3; i++) {
639 vol = mix->mix_vol[i][ch];
640 vol = mixer_volume_table[vol];
641 for (j = 0; j < 3; j++)
642 block[i * 3 + j] = (vol >> ((2 - j) * 8)) & 0xff;
643 }
644 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, reg,
645 9, block) < 0) {
646 dev_err(&mix->i2c.client->dev,
647 "failed to set mono volume %d\n", reg);
648 return -EINVAL;
649 }
650 return 0;
651 }
652
snapper_set_mix_vol(struct pmac_tumbler * mix,int idx)653 static int snapper_set_mix_vol(struct pmac_tumbler *mix, int idx)
654 {
655 if (! mix->i2c.client)
656 return -ENODEV;
657 if (snapper_set_mix_vol1(mix, idx, 0, TAS_REG_LMIX) < 0 ||
658 snapper_set_mix_vol1(mix, idx, 1, TAS_REG_RMIX) < 0)
659 return -EINVAL;
660 return 0;
661 }
662
snapper_info_mix(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)663 static int snapper_info_mix(struct snd_kcontrol *kcontrol,
664 struct snd_ctl_elem_info *uinfo)
665 {
666 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
667 uinfo->count = 2;
668 uinfo->value.integer.min = 0;
669 uinfo->value.integer.max = ARRAY_SIZE(mixer_volume_table) - 1;
670 return 0;
671 }
672
snapper_get_mix(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)673 static int snapper_get_mix(struct snd_kcontrol *kcontrol,
674 struct snd_ctl_elem_value *ucontrol)
675 {
676 int idx = (int)kcontrol->private_value;
677 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
678 struct pmac_tumbler *mix;
679 mix = chip->mixer_data;
680 if (!mix)
681 return -ENODEV;
682 ucontrol->value.integer.value[0] = mix->mix_vol[idx][0];
683 ucontrol->value.integer.value[1] = mix->mix_vol[idx][1];
684 return 0;
685 }
686
snapper_put_mix(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)687 static int snapper_put_mix(struct snd_kcontrol *kcontrol,
688 struct snd_ctl_elem_value *ucontrol)
689 {
690 int idx = (int)kcontrol->private_value;
691 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
692 struct pmac_tumbler *mix;
693 unsigned int vol[2];
694 int change;
695
696 mix = chip->mixer_data;
697 if (!mix)
698 return -ENODEV;
699 vol[0] = ucontrol->value.integer.value[0];
700 vol[1] = ucontrol->value.integer.value[1];
701 if (vol[0] >= ARRAY_SIZE(mixer_volume_table) ||
702 vol[1] >= ARRAY_SIZE(mixer_volume_table))
703 return -EINVAL;
704 change = mix->mix_vol[idx][0] != vol[0] ||
705 mix->mix_vol[idx][1] != vol[1];
706 if (change) {
707 mix->mix_vol[idx][0] = vol[0];
708 mix->mix_vol[idx][1] = vol[1];
709 snapper_set_mix_vol(mix, idx);
710 }
711 return change;
712 }
713
714
715 /*
716 * mute switches. FIXME: Turn that into software mute when both outputs are muted
717 * to avoid codec reset on ibook M7
718 */
719
720 enum { TUMBLER_MUTE_HP, TUMBLER_MUTE_AMP, TUMBLER_MUTE_LINE };
721
tumbler_get_mute_switch(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)722 static int tumbler_get_mute_switch(struct snd_kcontrol *kcontrol,
723 struct snd_ctl_elem_value *ucontrol)
724 {
725 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
726 struct pmac_tumbler *mix;
727 struct pmac_gpio *gp;
728 mix = chip->mixer_data;
729 if (!mix)
730 return -ENODEV;
731 switch(kcontrol->private_value) {
732 case TUMBLER_MUTE_HP:
733 gp = &mix->hp_mute; break;
734 case TUMBLER_MUTE_AMP:
735 gp = &mix->amp_mute; break;
736 case TUMBLER_MUTE_LINE:
737 gp = &mix->line_mute; break;
738 default:
739 gp = NULL;
740 }
741 if (gp == NULL)
742 return -EINVAL;
743 ucontrol->value.integer.value[0] = !check_audio_gpio(gp);
744 return 0;
745 }
746
tumbler_put_mute_switch(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)747 static int tumbler_put_mute_switch(struct snd_kcontrol *kcontrol,
748 struct snd_ctl_elem_value *ucontrol)
749 {
750 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
751 struct pmac_tumbler *mix;
752 struct pmac_gpio *gp;
753 int val;
754 #ifdef PMAC_SUPPORT_AUTOMUTE
755 if (chip->update_automute && chip->auto_mute)
756 return 0; /* don't touch in the auto-mute mode */
757 #endif
758 mix = chip->mixer_data;
759 if (!mix)
760 return -ENODEV;
761 switch(kcontrol->private_value) {
762 case TUMBLER_MUTE_HP:
763 gp = &mix->hp_mute; break;
764 case TUMBLER_MUTE_AMP:
765 gp = &mix->amp_mute; break;
766 case TUMBLER_MUTE_LINE:
767 gp = &mix->line_mute; break;
768 default:
769 gp = NULL;
770 }
771 if (gp == NULL)
772 return -EINVAL;
773 val = ! check_audio_gpio(gp);
774 if (val != ucontrol->value.integer.value[0]) {
775 write_audio_gpio(gp, ! ucontrol->value.integer.value[0]);
776 return 1;
777 }
778 return 0;
779 }
780
snapper_set_capture_source(struct pmac_tumbler * mix)781 static int snapper_set_capture_source(struct pmac_tumbler *mix)
782 {
783 if (! mix->i2c.client)
784 return -ENODEV;
785 if (mix->capture_source)
786 mix->acs |= 2;
787 else
788 mix->acs &= ~2;
789 return i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs);
790 }
791
snapper_info_capture_source(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)792 static int snapper_info_capture_source(struct snd_kcontrol *kcontrol,
793 struct snd_ctl_elem_info *uinfo)
794 {
795 static const char * const texts[2] = {
796 "Line", "Mic"
797 };
798
799 return snd_ctl_enum_info(uinfo, 1, 2, texts);
800 }
801
snapper_get_capture_source(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)802 static int snapper_get_capture_source(struct snd_kcontrol *kcontrol,
803 struct snd_ctl_elem_value *ucontrol)
804 {
805 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
806 struct pmac_tumbler *mix = chip->mixer_data;
807
808 ucontrol->value.enumerated.item[0] = mix->capture_source;
809 return 0;
810 }
811
snapper_put_capture_source(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)812 static int snapper_put_capture_source(struct snd_kcontrol *kcontrol,
813 struct snd_ctl_elem_value *ucontrol)
814 {
815 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
816 struct pmac_tumbler *mix = chip->mixer_data;
817 int change;
818
819 change = ucontrol->value.enumerated.item[0] != mix->capture_source;
820 if (change) {
821 mix->capture_source = !!ucontrol->value.enumerated.item[0];
822 snapper_set_capture_source(mix);
823 }
824 return change;
825 }
826
827 #define DEFINE_SNAPPER_MIX(xname,idx,ofs) { \
828 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
829 .name = xname, \
830 .info = snapper_info_mix, \
831 .get = snapper_get_mix, \
832 .put = snapper_put_mix, \
833 .index = idx,\
834 .private_value = ofs, \
835 }
836
837
838 /*
839 */
840 static const struct snd_kcontrol_new tumbler_mixers[] = {
841 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
842 .name = "Master Playback Volume",
843 .info = tumbler_info_master_volume,
844 .get = tumbler_get_master_volume,
845 .put = tumbler_put_master_volume
846 },
847 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
848 .name = "Master Playback Switch",
849 .info = snd_pmac_boolean_stereo_info,
850 .get = tumbler_get_master_switch,
851 .put = tumbler_put_master_switch
852 },
853 DEFINE_MONO("Tone Control - Bass", bass),
854 DEFINE_MONO("Tone Control - Treble", treble),
855 DEFINE_MONO("PCM Playback Volume", pcm),
856 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
857 .name = "DRC Range",
858 .info = tumbler_info_drc_value,
859 .get = tumbler_get_drc_value,
860 .put = tumbler_put_drc_value
861 },
862 };
863
864 static const struct snd_kcontrol_new snapper_mixers[] = {
865 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
866 .name = "Master Playback Volume",
867 .info = tumbler_info_master_volume,
868 .get = tumbler_get_master_volume,
869 .put = tumbler_put_master_volume
870 },
871 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
872 .name = "Master Playback Switch",
873 .info = snd_pmac_boolean_stereo_info,
874 .get = tumbler_get_master_switch,
875 .put = tumbler_put_master_switch
876 },
877 DEFINE_SNAPPER_MIX("PCM Playback Volume", 0, VOL_IDX_PCM),
878 /* Alternative PCM is assigned to Mic analog loopback on iBook G4 */
879 DEFINE_SNAPPER_MIX("Mic Playback Volume", 0, VOL_IDX_PCM2),
880 DEFINE_SNAPPER_MIX("Monitor Mix Volume", 0, VOL_IDX_ADC),
881 DEFINE_SNAPPER_MONO("Tone Control - Bass", bass),
882 DEFINE_SNAPPER_MONO("Tone Control - Treble", treble),
883 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
884 .name = "DRC Range",
885 .info = tumbler_info_drc_value,
886 .get = tumbler_get_drc_value,
887 .put = tumbler_put_drc_value
888 },
889 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
890 .name = "Input Source", /* FIXME: "Capture Source" doesn't work properly */
891 .info = snapper_info_capture_source,
892 .get = snapper_get_capture_source,
893 .put = snapper_put_capture_source
894 },
895 };
896
897 static const struct snd_kcontrol_new tumbler_hp_sw = {
898 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
899 .name = "Headphone Playback Switch",
900 .info = snd_pmac_boolean_mono_info,
901 .get = tumbler_get_mute_switch,
902 .put = tumbler_put_mute_switch,
903 .private_value = TUMBLER_MUTE_HP,
904 };
905 static const struct snd_kcontrol_new tumbler_speaker_sw = {
906 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
907 .name = "Speaker Playback Switch",
908 .info = snd_pmac_boolean_mono_info,
909 .get = tumbler_get_mute_switch,
910 .put = tumbler_put_mute_switch,
911 .private_value = TUMBLER_MUTE_AMP,
912 };
913 static const struct snd_kcontrol_new tumbler_lineout_sw = {
914 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
915 .name = "Line Out Playback Switch",
916 .info = snd_pmac_boolean_mono_info,
917 .get = tumbler_get_mute_switch,
918 .put = tumbler_put_mute_switch,
919 .private_value = TUMBLER_MUTE_LINE,
920 };
921 static const struct snd_kcontrol_new tumbler_drc_sw = {
922 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
923 .name = "DRC Switch",
924 .info = snd_pmac_boolean_mono_info,
925 .get = tumbler_get_drc_switch,
926 .put = tumbler_put_drc_switch
927 };
928
929
930 #ifdef PMAC_SUPPORT_AUTOMUTE
931 /*
932 * auto-mute stuffs
933 */
tumbler_detect_headphone(struct snd_pmac * chip)934 static int tumbler_detect_headphone(struct snd_pmac *chip)
935 {
936 struct pmac_tumbler *mix = chip->mixer_data;
937 int detect = 0;
938
939 if (mix->hp_detect.addr)
940 detect |= read_audio_gpio(&mix->hp_detect);
941 return detect;
942 }
943
tumbler_detect_lineout(struct snd_pmac * chip)944 static int tumbler_detect_lineout(struct snd_pmac *chip)
945 {
946 struct pmac_tumbler *mix = chip->mixer_data;
947 int detect = 0;
948
949 if (mix->line_detect.addr)
950 detect |= read_audio_gpio(&mix->line_detect);
951 return detect;
952 }
953
check_mute(struct snd_pmac * chip,struct pmac_gpio * gp,int val,int do_notify,struct snd_kcontrol * sw)954 static void check_mute(struct snd_pmac *chip, struct pmac_gpio *gp, int val, int do_notify,
955 struct snd_kcontrol *sw)
956 {
957 if (check_audio_gpio(gp) != val) {
958 write_audio_gpio(gp, val);
959 if (do_notify)
960 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
961 &sw->id);
962 }
963 }
964
965 static struct work_struct device_change;
966 static struct snd_pmac *device_change_chip;
967
device_change_handler(struct work_struct * work)968 static void device_change_handler(struct work_struct *work)
969 {
970 struct snd_pmac *chip = device_change_chip;
971 struct pmac_tumbler *mix;
972 int headphone, lineout;
973
974 if (!chip)
975 return;
976
977 mix = chip->mixer_data;
978 if (snd_BUG_ON(!mix))
979 return;
980
981 headphone = tumbler_detect_headphone(chip);
982 lineout = tumbler_detect_lineout(chip);
983
984 DBG("headphone: %d, lineout: %d\n", headphone, lineout);
985
986 if (headphone || lineout) {
987 /* unmute headphone/lineout & mute speaker */
988 if (headphone)
989 check_mute(chip, &mix->hp_mute, 0, mix->auto_mute_notify,
990 chip->master_sw_ctl);
991 if (lineout && mix->line_mute.addr != 0)
992 check_mute(chip, &mix->line_mute, 0, mix->auto_mute_notify,
993 chip->lineout_sw_ctl);
994 if (mix->anded_reset)
995 msleep(10);
996 check_mute(chip, &mix->amp_mute, !IS_G4DA, mix->auto_mute_notify,
997 chip->speaker_sw_ctl);
998 } else {
999 /* unmute speaker, mute others */
1000 check_mute(chip, &mix->amp_mute, 0, mix->auto_mute_notify,
1001 chip->speaker_sw_ctl);
1002 if (mix->anded_reset)
1003 msleep(10);
1004 check_mute(chip, &mix->hp_mute, 1, mix->auto_mute_notify,
1005 chip->master_sw_ctl);
1006 if (mix->line_mute.addr != 0)
1007 check_mute(chip, &mix->line_mute, 1, mix->auto_mute_notify,
1008 chip->lineout_sw_ctl);
1009 }
1010 if (mix->auto_mute_notify)
1011 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
1012 &chip->hp_detect_ctl->id);
1013
1014 #ifdef CONFIG_SND_POWERMAC_AUTO_DRC
1015 mix->drc_enable = ! (headphone || lineout);
1016 if (mix->auto_mute_notify)
1017 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
1018 &chip->drc_sw_ctl->id);
1019 if (chip->model == PMAC_TUMBLER)
1020 tumbler_set_drc(mix);
1021 else
1022 snapper_set_drc(mix);
1023 #endif
1024
1025 /* reset the master volume so the correct amplification is applied */
1026 tumbler_set_master_volume(mix);
1027 }
1028
tumbler_update_automute(struct snd_pmac * chip,int do_notify)1029 static void tumbler_update_automute(struct snd_pmac *chip, int do_notify)
1030 {
1031 if (chip->auto_mute) {
1032 struct pmac_tumbler *mix;
1033 mix = chip->mixer_data;
1034 if (snd_BUG_ON(!mix))
1035 return;
1036 mix->auto_mute_notify = do_notify;
1037 schedule_work(&device_change);
1038 }
1039 }
1040 #endif /* PMAC_SUPPORT_AUTOMUTE */
1041
1042
1043 /* interrupt - headphone plug changed */
headphone_intr(int irq,void * devid)1044 static irqreturn_t headphone_intr(int irq, void *devid)
1045 {
1046 struct snd_pmac *chip = devid;
1047 if (chip->update_automute && chip->initialized) {
1048 chip->update_automute(chip, 1);
1049 return IRQ_HANDLED;
1050 }
1051 return IRQ_NONE;
1052 }
1053
1054 /* look for audio-gpio device */
find_audio_device(const char * name)1055 static struct device_node *find_audio_device(const char *name)
1056 {
1057 struct device_node *gpiop;
1058 struct device_node *np;
1059
1060 gpiop = of_find_node_by_name(NULL, "gpio");
1061 if (! gpiop)
1062 return NULL;
1063
1064 for_each_child_of_node(gpiop, np) {
1065 const char *property = of_get_property(np, "audio-gpio", NULL);
1066 if (property && strcmp(property, name) == 0)
1067 break;
1068 }
1069 of_node_put(gpiop);
1070 return np;
1071 }
1072
1073 /* look for audio-gpio device */
find_compatible_audio_device(const char * name)1074 static struct device_node *find_compatible_audio_device(const char *name)
1075 {
1076 struct device_node *gpiop;
1077 struct device_node *np;
1078
1079 gpiop = of_find_node_by_name(NULL, "gpio");
1080 if (!gpiop)
1081 return NULL;
1082
1083 for_each_child_of_node(gpiop, np) {
1084 if (of_device_is_compatible(np, name))
1085 break;
1086 }
1087 of_node_put(gpiop);
1088 return np;
1089 }
1090
1091 /* find an audio device and get its address */
tumbler_find_device(const char * device,const char * platform,struct pmac_gpio * gp,int is_compatible)1092 static long tumbler_find_device(const char *device, const char *platform,
1093 struct pmac_gpio *gp, int is_compatible)
1094 {
1095 struct device_node *node;
1096 const u32 *base;
1097 u32 addr;
1098 long ret;
1099
1100 if (is_compatible)
1101 node = find_compatible_audio_device(device);
1102 else
1103 node = find_audio_device(device);
1104 if (! node) {
1105 DBG("(W) cannot find audio device %s !\n", device);
1106 return -ENODEV;
1107 }
1108
1109 base = of_get_property(node, "AAPL,address", NULL);
1110 if (! base) {
1111 base = of_get_property(node, "reg", NULL);
1112 if (!base) {
1113 DBG("(E) cannot find address for device %s !\n", device);
1114 of_node_put(node);
1115 return -ENODEV;
1116 }
1117 addr = *base;
1118 if (addr < 0x50)
1119 addr += 0x50;
1120 } else
1121 addr = *base;
1122
1123 gp->addr = addr & 0x0000ffff;
1124 /* Try to find the active state, default to 0 ! */
1125 base = of_get_property(node, "audio-gpio-active-state", NULL);
1126 if (base) {
1127 gp->active_state = *base;
1128 gp->active_val = (*base) ? 0x5 : 0x4;
1129 gp->inactive_val = (*base) ? 0x4 : 0x5;
1130 } else {
1131 const u32 *prop = NULL;
1132 gp->active_state = IS_G4DA
1133 && !strncmp(device, "keywest-gpio1", 13);
1134 gp->active_val = 0x4;
1135 gp->inactive_val = 0x5;
1136 /* Here are some crude hacks to extract the GPIO polarity and
1137 * open collector informations out of the do-platform script
1138 * as we don't yet have an interpreter for these things
1139 */
1140 if (platform)
1141 prop = of_get_property(node, platform, NULL);
1142 if (prop) {
1143 if (prop[3] == 0x9 && prop[4] == 0x9) {
1144 gp->active_val = 0xd;
1145 gp->inactive_val = 0xc;
1146 }
1147 if (prop[3] == 0x1 && prop[4] == 0x1) {
1148 gp->active_val = 0x5;
1149 gp->inactive_val = 0x4;
1150 }
1151 }
1152 }
1153
1154 DBG("(I) GPIO device %s found, offset: %x, active state: %d !\n",
1155 device, gp->addr, gp->active_state);
1156
1157 ret = irq_of_parse_and_map(node, 0);
1158 of_node_put(node);
1159 return ret;
1160 }
1161
1162 /* reset audio */
tumbler_reset_audio(struct snd_pmac * chip)1163 static void tumbler_reset_audio(struct snd_pmac *chip)
1164 {
1165 struct pmac_tumbler *mix = chip->mixer_data;
1166
1167 if (mix->anded_reset) {
1168 DBG("(I) codec anded reset !\n");
1169 write_audio_gpio(&mix->hp_mute, 0);
1170 write_audio_gpio(&mix->amp_mute, 0);
1171 msleep(200);
1172 write_audio_gpio(&mix->hp_mute, 1);
1173 write_audio_gpio(&mix->amp_mute, 1);
1174 msleep(100);
1175 write_audio_gpio(&mix->hp_mute, 0);
1176 write_audio_gpio(&mix->amp_mute, 0);
1177 msleep(100);
1178 } else {
1179 DBG("(I) codec normal reset !\n");
1180
1181 write_audio_gpio(&mix->audio_reset, 0);
1182 msleep(200);
1183 write_audio_gpio(&mix->audio_reset, 1);
1184 msleep(100);
1185 write_audio_gpio(&mix->audio_reset, 0);
1186 msleep(100);
1187 }
1188 }
1189
1190 #ifdef CONFIG_PM
1191 /* suspend mixer */
tumbler_suspend(struct snd_pmac * chip)1192 static void tumbler_suspend(struct snd_pmac *chip)
1193 {
1194 struct pmac_tumbler *mix = chip->mixer_data;
1195
1196 if (mix->headphone_irq >= 0)
1197 disable_irq(mix->headphone_irq);
1198 if (mix->lineout_irq >= 0)
1199 disable_irq(mix->lineout_irq);
1200 mix->save_master_switch[0] = mix->master_switch[0];
1201 mix->save_master_switch[1] = mix->master_switch[1];
1202 mix->save_master_vol[0] = mix->master_vol[0];
1203 mix->save_master_vol[1] = mix->master_vol[1];
1204 mix->master_switch[0] = mix->master_switch[1] = 0;
1205 tumbler_set_master_volume(mix);
1206 if (!mix->anded_reset) {
1207 write_audio_gpio(&mix->amp_mute, 1);
1208 write_audio_gpio(&mix->hp_mute, 1);
1209 }
1210 if (chip->model == PMAC_SNAPPER) {
1211 mix->acs |= 1;
1212 i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs);
1213 }
1214 if (mix->anded_reset) {
1215 write_audio_gpio(&mix->amp_mute, 1);
1216 write_audio_gpio(&mix->hp_mute, 1);
1217 } else
1218 write_audio_gpio(&mix->audio_reset, 1);
1219 }
1220
1221 /* resume mixer */
tumbler_resume(struct snd_pmac * chip)1222 static void tumbler_resume(struct snd_pmac *chip)
1223 {
1224 struct pmac_tumbler *mix = chip->mixer_data;
1225
1226 mix->acs &= ~1;
1227 mix->master_switch[0] = mix->save_master_switch[0];
1228 mix->master_switch[1] = mix->save_master_switch[1];
1229 mix->master_vol[0] = mix->save_master_vol[0];
1230 mix->master_vol[1] = mix->save_master_vol[1];
1231 tumbler_reset_audio(chip);
1232 if (mix->i2c.client && mix->i2c.init_client) {
1233 if (mix->i2c.init_client(&mix->i2c) < 0)
1234 dev_err(chip->card->dev, "tumbler_init_client error\n");
1235 } else
1236 dev_err(chip->card->dev, "tumbler: i2c is not initialized\n");
1237 if (chip->model == PMAC_TUMBLER) {
1238 tumbler_set_mono_volume(mix, &tumbler_pcm_vol_info);
1239 tumbler_set_mono_volume(mix, &tumbler_bass_vol_info);
1240 tumbler_set_mono_volume(mix, &tumbler_treble_vol_info);
1241 tumbler_set_drc(mix);
1242 } else {
1243 snapper_set_mix_vol(mix, VOL_IDX_PCM);
1244 snapper_set_mix_vol(mix, VOL_IDX_PCM2);
1245 snapper_set_mix_vol(mix, VOL_IDX_ADC);
1246 tumbler_set_mono_volume(mix, &snapper_bass_vol_info);
1247 tumbler_set_mono_volume(mix, &snapper_treble_vol_info);
1248 snapper_set_drc(mix);
1249 snapper_set_capture_source(mix);
1250 }
1251 tumbler_set_master_volume(mix);
1252 if (chip->update_automute)
1253 chip->update_automute(chip, 0);
1254 if (mix->headphone_irq >= 0) {
1255 unsigned char val;
1256
1257 enable_irq(mix->headphone_irq);
1258 /* activate headphone status interrupts */
1259 val = do_gpio_read(&mix->hp_detect);
1260 do_gpio_write(&mix->hp_detect, val | 0x80);
1261 }
1262 if (mix->lineout_irq >= 0)
1263 enable_irq(mix->lineout_irq);
1264 }
1265 #endif
1266
1267 /* initialize tumbler */
tumbler_init(struct snd_pmac * chip)1268 static int tumbler_init(struct snd_pmac *chip)
1269 {
1270 int irq;
1271 struct pmac_tumbler *mix = chip->mixer_data;
1272
1273 if (tumbler_find_device("audio-hw-reset",
1274 "platform-do-hw-reset",
1275 &mix->audio_reset, 0) < 0)
1276 tumbler_find_device("hw-reset",
1277 "platform-do-hw-reset",
1278 &mix->audio_reset, 1);
1279 if (tumbler_find_device("amp-mute",
1280 "platform-do-amp-mute",
1281 &mix->amp_mute, 0) < 0)
1282 tumbler_find_device("amp-mute",
1283 "platform-do-amp-mute",
1284 &mix->amp_mute, 1);
1285 if (tumbler_find_device("headphone-mute",
1286 "platform-do-headphone-mute",
1287 &mix->hp_mute, 0) < 0)
1288 tumbler_find_device("headphone-mute",
1289 "platform-do-headphone-mute",
1290 &mix->hp_mute, 1);
1291 if (tumbler_find_device("line-output-mute",
1292 "platform-do-lineout-mute",
1293 &mix->line_mute, 0) < 0)
1294 tumbler_find_device("line-output-mute",
1295 "platform-do-lineout-mute",
1296 &mix->line_mute, 1);
1297 irq = tumbler_find_device("headphone-detect",
1298 NULL, &mix->hp_detect, 0);
1299 if (irq <= 0)
1300 irq = tumbler_find_device("headphone-detect",
1301 NULL, &mix->hp_detect, 1);
1302 if (irq <= 0)
1303 irq = tumbler_find_device("keywest-gpio15",
1304 NULL, &mix->hp_detect, 1);
1305 mix->headphone_irq = irq;
1306 irq = tumbler_find_device("line-output-detect",
1307 NULL, &mix->line_detect, 0);
1308 if (irq <= 0)
1309 irq = tumbler_find_device("line-output-detect",
1310 NULL, &mix->line_detect, 1);
1311 if (IS_G4DA && irq <= 0)
1312 irq = tumbler_find_device("keywest-gpio16",
1313 NULL, &mix->line_detect, 1);
1314 mix->lineout_irq = irq;
1315
1316 tumbler_reset_audio(chip);
1317
1318 return 0;
1319 }
1320
tumbler_cleanup(struct snd_pmac * chip)1321 static void tumbler_cleanup(struct snd_pmac *chip)
1322 {
1323 struct pmac_tumbler *mix = chip->mixer_data;
1324 if (! mix)
1325 return;
1326
1327 if (mix->headphone_irq >= 0)
1328 free_irq(mix->headphone_irq, chip);
1329 if (mix->lineout_irq >= 0)
1330 free_irq(mix->lineout_irq, chip);
1331 tumbler_gpio_free(&mix->audio_reset);
1332 tumbler_gpio_free(&mix->amp_mute);
1333 tumbler_gpio_free(&mix->hp_mute);
1334 tumbler_gpio_free(&mix->hp_detect);
1335 snd_pmac_keywest_cleanup(&mix->i2c);
1336 kfree(mix);
1337 chip->mixer_data = NULL;
1338 }
1339
1340 /* exported */
snd_pmac_tumbler_init(struct snd_pmac * chip)1341 int snd_pmac_tumbler_init(struct snd_pmac *chip)
1342 {
1343 int i, err;
1344 struct pmac_tumbler *mix;
1345 const u32 *paddr;
1346 struct device_node *tas_node, *np;
1347 char *chipname;
1348
1349 request_module("i2c-powermac");
1350
1351 mix = kzalloc(sizeof(*mix), GFP_KERNEL);
1352 if (! mix)
1353 return -ENOMEM;
1354 mix->headphone_irq = -1;
1355
1356 chip->mixer_data = mix;
1357 chip->mixer_free = tumbler_cleanup;
1358 mix->anded_reset = 0;
1359 mix->reset_on_sleep = 1;
1360
1361 for_each_child_of_node(chip->node, np) {
1362 if (of_node_name_eq(np, "sound")) {
1363 if (of_property_read_bool(np, "has-anded-reset"))
1364 mix->anded_reset = 1;
1365 if (of_property_present(np, "layout-id"))
1366 mix->reset_on_sleep = 0;
1367 of_node_put(np);
1368 break;
1369 }
1370 }
1371 err = tumbler_init(chip);
1372 if (err < 0)
1373 return err;
1374
1375 /* set up TAS */
1376 tas_node = of_find_node_by_name(NULL, "deq");
1377 if (tas_node == NULL)
1378 tas_node = of_find_node_by_name(NULL, "codec");
1379 if (tas_node == NULL)
1380 return -ENODEV;
1381
1382 paddr = of_get_property(tas_node, "i2c-address", NULL);
1383 if (paddr == NULL)
1384 paddr = of_get_property(tas_node, "reg", NULL);
1385 if (paddr)
1386 mix->i2c.addr = (*paddr) >> 1;
1387 else
1388 mix->i2c.addr = TAS_I2C_ADDR;
1389 of_node_put(tas_node);
1390
1391 DBG("(I) TAS i2c address is: %x\n", mix->i2c.addr);
1392
1393 if (chip->model == PMAC_TUMBLER) {
1394 mix->i2c.init_client = tumbler_init_client;
1395 mix->i2c.name = "TAS3001c";
1396 chipname = "Tumbler";
1397 } else {
1398 mix->i2c.init_client = snapper_init_client;
1399 mix->i2c.name = "TAS3004";
1400 chipname = "Snapper";
1401 }
1402
1403 err = snd_pmac_keywest_init(&mix->i2c);
1404 if (err < 0)
1405 return err;
1406
1407 /*
1408 * build mixers
1409 */
1410 sprintf(chip->card->mixername, "PowerMac %s", chipname);
1411
1412 if (chip->model == PMAC_TUMBLER) {
1413 for (i = 0; i < ARRAY_SIZE(tumbler_mixers); i++) {
1414 err = snd_ctl_add(chip->card, snd_ctl_new1(&tumbler_mixers[i], chip));
1415 if (err < 0)
1416 return err;
1417 }
1418 } else {
1419 for (i = 0; i < ARRAY_SIZE(snapper_mixers); i++) {
1420 err = snd_ctl_add(chip->card, snd_ctl_new1(&snapper_mixers[i], chip));
1421 if (err < 0)
1422 return err;
1423 }
1424 }
1425 chip->master_sw_ctl = snd_ctl_new1(&tumbler_hp_sw, chip);
1426 err = snd_ctl_add(chip->card, chip->master_sw_ctl);
1427 if (err < 0)
1428 return err;
1429 chip->speaker_sw_ctl = snd_ctl_new1(&tumbler_speaker_sw, chip);
1430 err = snd_ctl_add(chip->card, chip->speaker_sw_ctl);
1431 if (err < 0)
1432 return err;
1433 if (mix->line_mute.addr != 0) {
1434 chip->lineout_sw_ctl = snd_ctl_new1(&tumbler_lineout_sw, chip);
1435 err = snd_ctl_add(chip->card, chip->lineout_sw_ctl);
1436 if (err < 0)
1437 return err;
1438 }
1439 chip->drc_sw_ctl = snd_ctl_new1(&tumbler_drc_sw, chip);
1440 err = snd_ctl_add(chip->card, chip->drc_sw_ctl);
1441 if (err < 0)
1442 return err;
1443
1444 /* set initial DRC range to 60% */
1445 if (chip->model == PMAC_TUMBLER)
1446 mix->drc_range = (TAS3001_DRC_MAX * 6) / 10;
1447 else
1448 mix->drc_range = (TAS3004_DRC_MAX * 6) / 10;
1449 mix->drc_enable = 1; /* will be changed later if AUTO_DRC is set */
1450 if (chip->model == PMAC_TUMBLER)
1451 tumbler_set_drc(mix);
1452 else
1453 snapper_set_drc(mix);
1454
1455 #ifdef CONFIG_PM
1456 chip->suspend = tumbler_suspend;
1457 chip->resume = tumbler_resume;
1458 #endif
1459
1460 INIT_WORK(&device_change, device_change_handler);
1461 device_change_chip = chip;
1462
1463 #ifdef PMAC_SUPPORT_AUTOMUTE
1464 if (mix->headphone_irq >= 0 || mix->lineout_irq >= 0) {
1465 err = snd_pmac_add_automute(chip);
1466 if (err < 0)
1467 return err;
1468 }
1469 chip->detect_headphone = tumbler_detect_headphone;
1470 chip->update_automute = tumbler_update_automute;
1471 tumbler_update_automute(chip, 0); /* update the status only */
1472
1473 /* activate headphone status interrupts */
1474 if (mix->headphone_irq >= 0) {
1475 unsigned char val;
1476 err = request_irq(mix->headphone_irq, headphone_intr, 0,
1477 "Sound Headphone Detection", chip);
1478 if (err < 0)
1479 return 0;
1480 /* activate headphone status interrupts */
1481 val = do_gpio_read(&mix->hp_detect);
1482 do_gpio_write(&mix->hp_detect, val | 0x80);
1483 }
1484 if (mix->lineout_irq >= 0) {
1485 unsigned char val;
1486 err = request_irq(mix->lineout_irq, headphone_intr, 0,
1487 "Sound Lineout Detection", chip);
1488 if (err < 0)
1489 return 0;
1490 /* activate headphone status interrupts */
1491 val = do_gpio_read(&mix->line_detect);
1492 do_gpio_write(&mix->line_detect, val | 0x80);
1493 }
1494 #endif
1495
1496 return 0;
1497 }
1498