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-rw-r--r--sound/soc/tegra/tegra_max98088.c1233
1 files changed, 1233 insertions, 0 deletions
diff --git a/sound/soc/tegra/tegra_max98088.c b/sound/soc/tegra/tegra_max98088.c
new file mode 100644
index 00000000000..bae2b783895
--- /dev/null
+++ b/sound/soc/tegra/tegra_max98088.c
@@ -0,0 +1,1233 @@
1/*
2 * tegra_max98088.c - Tegra machine ASoC driver for boards using MAX98088 codec.
3 *
4 * Author: Sumit Bhattacharya <sumitb@nvidia.com>
5 * Copyright (C) 2011 - NVIDIA, Inc.
6 *
7 * Based on code copyright/by:
8 *
9 * (c) 2010, 2011 Nvidia Graphics Pvt. Ltd.
10 *
11 * Copyright 2007 Wolfson Microelectronics PLC.
12 * Author: Graeme Gregory
13 * graeme.gregory@wolfsonmicro.com or linux@wolfsonmicro.com
14 *
15 * This program is free software; you can redistribute it and/or
16 * modify it under the terms of the GNU General Public License
17 * version 2 as published by the Free Software Foundation.
18 *
19 * This program is distributed in the hope that it will be useful, but
20 * WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
22 * General Public License for more details.
23 *
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, write to the Free Software
26 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
27 * 02110-1301 USA
28 *
29 */
30
31#include <asm/mach-types.h>
32
33#include <linux/clk.h>
34#include <linux/module.h>
35#include <linux/platform_device.h>
36#include <linux/slab.h>
37#include <linux/gpio.h>
38#include <linux/regulator/consumer.h>
39#ifdef CONFIG_SWITCH
40#include <linux/switch.h>
41#endif
42
43#include <mach/tegra_asoc_pdata.h>
44
45#include <sound/core.h>
46#include <sound/jack.h>
47#include <sound/pcm.h>
48#include <sound/pcm_params.h>
49#include <sound/soc.h>
50
51#include "../codecs/max98088.h"
52
53#include "tegra_pcm.h"
54#include "tegra_asoc_utils.h"
55#ifndef CONFIG_ARCH_TEGRA_2x_SOC
56#include "tegra30_ahub.h"
57#include "tegra30_i2s.h"
58#include "tegra30_dam.h"
59#endif
60
61#define DRV_NAME "tegra-snd-max98088"
62
63#define GPIO_SPKR_EN BIT(0)
64#define GPIO_HP_MUTE BIT(1)
65#define GPIO_INT_MIC_EN BIT(2)
66#define GPIO_EXT_MIC_EN BIT(3)
67
68#define DAI_LINK_HIFI 0
69#define DAI_LINK_SPDIF 1
70#define DAI_LINK_BTSCO 2
71#define DAI_LINK_VOICE_CALL 3
72#define DAI_LINK_BT_VOICE_CALL 4
73#define NUM_DAI_LINKS 5
74
75#ifndef CONFIG_ARCH_TEGRA_2x_SOC
76const char *tegra_max98088_i2s_dai_name[TEGRA30_NR_I2S_IFC] = {
77 "tegra30-i2s.0",
78 "tegra30-i2s.1",
79 "tegra30-i2s.2",
80 "tegra30-i2s.3",
81 "tegra30-i2s.4",
82};
83#endif
84
85extern int g_is_call_mode;
86
87struct tegra_max98088 {
88 struct tegra_asoc_utils_data util_data;
89 struct tegra_asoc_platform_data *pdata;
90 int gpio_requested;
91 bool init_done;
92 int is_call_mode;
93 int is_device_bt;
94#ifndef CONFIG_ARCH_TEGRA_2x_SOC
95 struct codec_config codec_info[NUM_I2S_DEVICES];
96#endif
97 enum snd_soc_bias_level bias_level;
98 struct snd_soc_card *pcard;
99};
100
101static int tegra_call_mode_info(struct snd_kcontrol *kcontrol,
102 struct snd_ctl_elem_info *uinfo)
103{
104 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
105 uinfo->count = 1;
106 uinfo->value.integer.min = 0;
107 uinfo->value.integer.max = 1;
108 return 0;
109}
110
111static int tegra_call_mode_get(struct snd_kcontrol *kcontrol,
112 struct snd_ctl_elem_value *ucontrol)
113{
114 struct tegra_max98088 *machine = snd_kcontrol_chip(kcontrol);
115
116 ucontrol->value.integer.value[0] = machine->is_call_mode;
117
118 return 0;
119}
120
121static int tegra_call_mode_put(struct snd_kcontrol *kcontrol,
122 struct snd_ctl_elem_value *ucontrol)
123{
124 struct tegra_max98088 *machine = snd_kcontrol_chip(kcontrol);
125 int is_call_mode_new = ucontrol->value.integer.value[0];
126 int codec_index;
127 unsigned int i;
128
129 if (machine->is_call_mode == is_call_mode_new)
130 return 0;
131
132 if (machine->is_device_bt)
133 codec_index = BT_SCO;
134 else
135 codec_index = HIFI_CODEC;
136
137 if (is_call_mode_new) {
138#ifndef CONFIG_ARCH_TEGRA_2x_SOC
139 if (machine->codec_info[codec_index].rate == 0 ||
140 machine->codec_info[codec_index].channels == 0)
141 return -EINVAL;
142
143 for (i = 0; i < machine->pcard->num_links; i++)
144 machine->pcard->dai_link[i].ignore_suspend = 1;
145
146 tegra30_make_voice_call_connections(
147 &machine->codec_info[codec_index],
148 &machine->codec_info[BASEBAND]);
149#endif
150 } else {
151#ifndef CONFIG_ARCH_TEGRA_2x_SOC
152 tegra30_break_voice_call_connections(
153 &machine->codec_info[codec_index],
154 &machine->codec_info[BASEBAND]);
155
156 for (i = 0; i < machine->pcard->num_links; i++)
157 machine->pcard->dai_link[i].ignore_suspend = 0;
158#endif
159 }
160
161 machine->is_call_mode = is_call_mode_new;
162 g_is_call_mode = machine->is_call_mode;
163
164 return 1;
165}
166
167struct snd_kcontrol_new tegra_call_mode_control = {
168 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
169 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
170 .name = "Call Mode Switch",
171 .private_value = 0xffff,
172 .info = tegra_call_mode_info,
173 .get = tegra_call_mode_get,
174 .put = tegra_call_mode_put
175};
176
177#ifndef CONFIG_ARCH_TEGRA_2x_SOC
178static int tegra_max98088_set_dam_cif(int dam_ifc, int srate,
179 int channels, int bit_size, int src_on, int src_srate,
180 int src_channels, int src_bit_size)
181{
182 tegra30_dam_set_gain(dam_ifc, TEGRA30_DAM_CHIN1, 0x1000);
183 tegra30_dam_set_samplerate(dam_ifc, TEGRA30_DAM_CHOUT,
184 srate);
185 tegra30_dam_set_samplerate(dam_ifc, TEGRA30_DAM_CHIN1,
186 srate);
187 tegra30_dam_set_acif(dam_ifc, TEGRA30_DAM_CHIN1,
188 channels, bit_size, channels,
189 bit_size);
190 tegra30_dam_set_acif(dam_ifc, TEGRA30_DAM_CHOUT,
191 channels, bit_size, channels,
192 bit_size);
193
194 if (src_on) {
195 tegra30_dam_set_gain(dam_ifc, TEGRA30_DAM_CHIN0_SRC, 0x1000);
196 tegra30_dam_set_samplerate(dam_ifc, TEGRA30_DAM_CHIN0_SRC,
197 src_srate);
198 tegra30_dam_set_acif(dam_ifc, TEGRA30_DAM_CHIN0_SRC,
199 src_channels, src_bit_size, 1, 16);
200 }
201
202 return 0;
203}
204#endif
205
206static int tegra_max98088_hw_params(struct snd_pcm_substream *substream,
207 struct snd_pcm_hw_params *params)
208{
209 struct snd_soc_pcm_runtime *rtd = substream->private_data;
210 struct snd_soc_dai *codec_dai = rtd->codec_dai;
211 struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
212 struct snd_soc_codec *codec = rtd->codec;
213 struct snd_soc_card *card = codec->card;
214 struct tegra_max98088 *machine = snd_soc_card_get_drvdata(card);
215#ifndef CONFIG_ARCH_TEGRA_2x_SOC
216 struct tegra30_i2s *i2s = snd_soc_dai_get_drvdata(cpu_dai);
217#endif
218 int srate, mclk, sample_size, i2s_daifmt;
219 int err;
220 struct clk *clk;
221 int rate;
222
223 switch (params_format(params)) {
224 case SNDRV_PCM_FORMAT_S16_LE:
225 sample_size = 16;
226 break;
227 default:
228 return -EINVAL;
229 }
230
231 srate = params_rate(params);
232 switch (srate) {
233 case 8000:
234 case 16000:
235 case 24000:
236 case 32000:
237 case 48000:
238 case 64000:
239 case 96000:
240 mclk = 12288000;
241 break;
242 case 11025:
243 case 22050:
244 case 44100:
245 case 88200:
246 mclk = 11289600;
247 break;
248 default:
249 mclk = 12000000;
250 break;
251 }
252
253
254#if defined(CONFIG_ARCH_TEGRA_2x_SOC)
255 clk = clk_get_sys(NULL, "cdev1");
256#else
257 clk = clk_get_sys("extern1", NULL);
258#endif
259 if (IS_ERR(clk)) {
260 dev_err(card->dev, "Can't retrieve clk cdev1\n");
261 err = PTR_ERR(clk);
262 return err;
263 }
264
265 rate = clk_get_rate(clk);
266 printk("extern1 rate=%d\n",rate);
267
268#if TEGRA30_I2S_MASTER_PLAYBACK
269 i2s_daifmt = SND_SOC_DAIFMT_I2S |
270 SND_SOC_DAIFMT_NB_NF |
271 SND_SOC_DAIFMT_CBS_CFS;
272#else
273 i2s_daifmt = SND_SOC_DAIFMT_I2S |
274 SND_SOC_DAIFMT_NB_NF |
275 SND_SOC_DAIFMT_CBM_CFM;
276 mclk = rate;
277#endif
278
279 err = tegra_asoc_utils_set_rate(&machine->util_data, srate, mclk);
280 if (err < 0) {
281 if (!(machine->util_data.set_mclk % mclk))
282 mclk = machine->util_data.set_mclk;
283 else {
284 dev_err(card->dev, "Can't configure clocks\n");
285 return err;
286 }
287 }
288
289 tegra_asoc_utils_lock_clk_rate(&machine->util_data, 1);
290
291 err = snd_soc_dai_set_fmt(codec_dai,i2s_daifmt);
292 if (err < 0) {
293 dev_err(card->dev, "codec_dai fmt not set\n");
294 return err;
295 }
296
297 err = snd_soc_dai_set_fmt(cpu_dai, i2s_daifmt);
298 if (err < 0) {
299 dev_err(card->dev, "cpu_dai fmt not set\n");
300 return err;
301 }
302
303 err = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
304 SND_SOC_CLOCK_IN);
305 if (err < 0) {
306 dev_err(card->dev, "codec_dai clock not set\n");
307 return err;
308 }
309
310#ifndef CONFIG_ARCH_TEGRA_2x_SOC
311 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
312 tegra_max98088_set_dam_cif(i2s->dam_ifc, srate,
313 params_channels(params), sample_size, 0, 0, 0, 0);
314#endif
315
316 return 0;
317}
318
319static int tegra_spdif_hw_params(struct snd_pcm_substream *substream,
320 struct snd_pcm_hw_params *params)
321{
322 struct snd_soc_pcm_runtime *rtd = substream->private_data;
323 struct snd_soc_card *card = rtd->card;
324 struct tegra_max98088 *machine = snd_soc_card_get_drvdata(card);
325 int srate, mclk, min_mclk;
326 int err;
327
328 srate = params_rate(params);
329 switch (srate) {
330 case 11025:
331 case 22050:
332 case 44100:
333 case 88200:
334 mclk = 11289600;
335 break;
336 case 8000:
337 case 16000:
338 case 32000:
339 case 48000:
340 case 64000:
341 case 96000:
342 mclk = 12288000;
343 break;
344 default:
345 return -EINVAL;
346 }
347 min_mclk = 128 * srate;
348
349 err = tegra_asoc_utils_set_rate(&machine->util_data, srate, mclk);
350 if (err < 0) {
351 if (!(machine->util_data.set_mclk % min_mclk))
352 mclk = machine->util_data.set_mclk;
353 else {
354 dev_err(card->dev, "Can't configure clocks\n");
355 return err;
356 }
357 }
358
359 tegra_asoc_utils_lock_clk_rate(&machine->util_data, 1);
360
361 return 0;
362}
363
364static int tegra_bt_hw_params(struct snd_pcm_substream *substream,
365 struct snd_pcm_hw_params *params)
366{
367 struct snd_soc_pcm_runtime *rtd = substream->private_data;
368#ifndef CONFIG_ARCH_TEGRA_2x_SOC
369 struct tegra30_i2s *i2s = snd_soc_dai_get_drvdata(rtd->cpu_dai);
370#endif
371 struct snd_soc_card *card = rtd->card;
372 struct tegra_max98088 *machine = snd_soc_card_get_drvdata(card);
373 int err, srate, mclk, min_mclk, sample_size;
374
375 switch (params_format(params)) {
376 case SNDRV_PCM_FORMAT_S16_LE:
377 sample_size = 16;
378 break;
379 default:
380 return -EINVAL;
381 }
382
383 srate = params_rate(params);
384 switch (srate) {
385 case 11025:
386 case 22050:
387 case 44100:
388 case 88200:
389 mclk = 11289600;
390 break;
391 case 8000:
392 case 16000:
393 case 32000:
394 case 48000:
395 case 64000:
396 case 96000:
397 mclk = 12288000;
398 break;
399 default:
400 return -EINVAL;
401 }
402 min_mclk = 64 * srate;
403
404 err = tegra_asoc_utils_set_rate(&machine->util_data, srate, mclk);
405 if (err < 0) {
406 if (!(machine->util_data.set_mclk % min_mclk))
407 mclk = machine->util_data.set_mclk;
408 else {
409 dev_err(card->dev, "Can't configure clocks\n");
410 return err;
411 }
412 }
413
414 tegra_asoc_utils_lock_clk_rate(&machine->util_data, 1);
415
416 err = snd_soc_dai_set_fmt(rtd->cpu_dai,
417 SND_SOC_DAIFMT_DSP_A |
418 SND_SOC_DAIFMT_NB_NF |
419 SND_SOC_DAIFMT_CBS_CFS);
420 if (err < 0) {
421 dev_err(rtd->codec->card->dev, "cpu_dai fmt not set\n");
422 return err;
423 }
424
425#ifndef CONFIG_ARCH_TEGRA_2x_SOC
426 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
427 tegra_max98088_set_dam_cif(i2s->dam_ifc, params_rate(params),
428 params_channels(params), sample_size, 0, 0, 0, 0);
429#endif
430
431 return 0;
432}
433
434static int tegra_hw_free(struct snd_pcm_substream *substream)
435{
436 struct snd_soc_pcm_runtime *rtd = substream->private_data;
437 struct tegra_max98088 *machine = snd_soc_card_get_drvdata(rtd->card);
438
439 tegra_asoc_utils_lock_clk_rate(&machine->util_data, 0);
440
441 return 0;
442}
443
444#ifndef CONFIG_ARCH_TEGRA_2x_SOC
445static int tegra_max98088_startup(struct snd_pcm_substream *substream)
446{
447 struct snd_soc_pcm_runtime *rtd = substream->private_data;
448 struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
449 struct tegra30_i2s *i2s = snd_soc_dai_get_drvdata(cpu_dai);
450 struct tegra_max98088 *machine = snd_soc_card_get_drvdata(rtd->card);
451 struct codec_config *codec_info;
452 struct codec_config *bb_info;
453 int codec_index;
454
455 if (!i2s->is_dam_used)
456 return 0;
457
458 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
459 /*dam configuration*/
460 if (!i2s->dam_ch_refcount)
461 i2s->dam_ifc = tegra30_dam_allocate_controller();
462
463 tegra30_dam_allocate_channel(i2s->dam_ifc, TEGRA30_DAM_CHIN1);
464 i2s->dam_ch_refcount++;
465 tegra30_dam_enable_clock(i2s->dam_ifc);
466
467 tegra30_ahub_set_rx_cif_source(TEGRA30_AHUB_RXCIF_DAM0_RX1 +
468 (i2s->dam_ifc*2), i2s->txcif);
469
470 /*
471 *make the dam tx to i2s rx connection if this is the only client
472 *using i2s for playback
473 */
474 if (i2s->playback_ref_count == 1)
475 tegra30_ahub_set_rx_cif_source(
476 TEGRA30_AHUB_RXCIF_I2S0_RX0 + i2s->id,
477 TEGRA30_AHUB_TXCIF_DAM0_TX0 + i2s->dam_ifc);
478
479 /* enable the dam*/
480 tegra30_dam_enable(i2s->dam_ifc, TEGRA30_DAM_ENABLE,
481 TEGRA30_DAM_CHIN1);
482 } else {
483
484 i2s->is_call_mode_rec = machine->is_call_mode;
485
486 if (!i2s->is_call_mode_rec)
487 return 0;
488
489 if (machine->is_device_bt)
490 codec_index = BT_SCO;
491 else
492 codec_index = HIFI_CODEC;
493
494 codec_info = &machine->codec_info[codec_index];
495 bb_info = &machine->codec_info[BASEBAND];
496
497 /* allocate a dam for voice call recording */
498
499 i2s->call_record_dam_ifc = tegra30_dam_allocate_controller();
500 tegra30_dam_allocate_channel(i2s->call_record_dam_ifc,
501 TEGRA30_DAM_CHIN0_SRC);
502 tegra30_dam_allocate_channel(i2s->call_record_dam_ifc,
503 TEGRA30_DAM_CHIN1);
504 tegra30_dam_enable_clock(i2s->call_record_dam_ifc);
505
506 /* configure the dam */
507 tegra_max98088_set_dam_cif(i2s->call_record_dam_ifc,
508 codec_info->rate, codec_info->channels,
509 codec_info->bitsize, 1, bb_info->rate,
510 bb_info->channels, bb_info->bitsize);
511
512 /* setup the connections for voice call record */
513
514 tegra30_ahub_unset_rx_cif_source(i2s->rxcif);
515 tegra30_ahub_set_rx_cif_source(TEGRA30_AHUB_RXCIF_DAM0_RX0 +
516 (i2s->call_record_dam_ifc*2),
517 TEGRA30_AHUB_TXCIF_I2S0_TX0 + bb_info->i2s_id);
518 tegra30_ahub_set_rx_cif_source(TEGRA30_AHUB_RXCIF_DAM0_RX1 +
519 (i2s->call_record_dam_ifc*2),
520 TEGRA30_AHUB_TXCIF_I2S0_TX0 + codec_info->i2s_id);
521 tegra30_ahub_set_rx_cif_source(i2s->rxcif,
522 TEGRA30_AHUB_TXCIF_DAM0_TX0 + i2s->call_record_dam_ifc);
523
524 /* enable the dam*/
525
526 tegra30_dam_enable(i2s->call_record_dam_ifc, TEGRA30_DAM_ENABLE,
527 TEGRA30_DAM_CHIN1);
528 tegra30_dam_enable(i2s->call_record_dam_ifc, TEGRA30_DAM_ENABLE,
529 TEGRA30_DAM_CHIN0_SRC);
530 }
531
532 return 0;
533}
534
535static void tegra_max98088_shutdown(struct snd_pcm_substream *substream)
536{
537 struct snd_soc_pcm_runtime *rtd = substream->private_data;
538 struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
539 struct tegra30_i2s *i2s = snd_soc_dai_get_drvdata(cpu_dai);
540
541 if (!i2s->is_dam_used)
542 return;
543
544 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
545 /* disable the dam*/
546 tegra30_dam_enable(i2s->dam_ifc, TEGRA30_DAM_DISABLE,
547 TEGRA30_DAM_CHIN1);
548
549 /* disconnect the ahub connections*/
550 tegra30_ahub_unset_rx_cif_source(TEGRA30_AHUB_RXCIF_DAM0_RX1 +
551 (i2s->dam_ifc*2));
552
553 /* disable the dam and free the controller */
554 tegra30_dam_disable_clock(i2s->dam_ifc);
555 tegra30_dam_free_channel(i2s->dam_ifc, TEGRA30_DAM_CHIN1);
556 i2s->dam_ch_refcount--;
557 if (!i2s->dam_ch_refcount)
558 tegra30_dam_free_controller(i2s->dam_ifc);
559 } else {
560
561 if (!i2s->is_call_mode_rec)
562 return 0;
563
564 i2s->is_call_mode_rec = 0;
565
566 /* disable the dam*/
567 tegra30_dam_enable(i2s->call_record_dam_ifc,
568 TEGRA30_DAM_DISABLE, TEGRA30_DAM_CHIN1);
569 tegra30_dam_enable(i2s->call_record_dam_ifc,
570 TEGRA30_DAM_DISABLE, TEGRA30_DAM_CHIN0_SRC);
571
572 /* disconnect the ahub connections*/
573 tegra30_ahub_unset_rx_cif_source(i2s->rxcif);
574 tegra30_ahub_unset_rx_cif_source(TEGRA30_AHUB_RXCIF_DAM0_RX0 +
575 (i2s->call_record_dam_ifc*2));
576 tegra30_ahub_unset_rx_cif_source(TEGRA30_AHUB_RXCIF_DAM0_RX1 +
577 (i2s->call_record_dam_ifc*2));
578
579 /* free the dam channels and dam controller */
580 tegra30_dam_disable_clock(i2s->call_record_dam_ifc);
581 tegra30_dam_free_channel(i2s->call_record_dam_ifc,
582 TEGRA30_DAM_CHIN1);
583 tegra30_dam_free_channel(i2s->call_record_dam_ifc,
584 TEGRA30_DAM_CHIN0_SRC);
585 tegra30_dam_free_controller(i2s->call_record_dam_ifc);
586 }
587
588 return;
589}
590#endif
591
592static int tegra_voice_call_hw_params(struct snd_pcm_substream *substream,
593 struct snd_pcm_hw_params *params)
594{
595 struct snd_soc_pcm_runtime *rtd = substream->private_data;
596 struct snd_soc_dai *codec_dai = rtd->codec_dai;
597 struct snd_soc_codec *codec = rtd->codec;
598 struct snd_soc_card *card = codec->card;
599 struct tegra_max98088 *machine = snd_soc_card_get_drvdata(card);
600 int srate, mclk;
601 int err;
602
603 srate = params_rate(params);
604 switch (srate) {
605 case 8000:
606 case 16000:
607 case 24000:
608 case 32000:
609 case 48000:
610 case 64000:
611 case 96000:
612 mclk = 12288000;
613 break;
614 case 11025:
615 case 22050:
616 case 44100:
617 case 88200:
618 mclk = 11289600;
619 break;
620 default:
621 return -EINVAL;
622 break;
623 }
624
625 err = tegra_asoc_utils_set_rate(&machine->util_data, srate, mclk);
626 if (err < 0) {
627 if (!(machine->util_data.set_mclk % mclk))
628 mclk = machine->util_data.set_mclk;
629 else {
630 dev_err(card->dev, "Can't configure clocks\n");
631 return err;
632 }
633 }
634
635 tegra_asoc_utils_lock_clk_rate(&machine->util_data, 1);
636
637 err = snd_soc_dai_set_fmt(codec_dai,
638 SND_SOC_DAIFMT_I2S |
639 SND_SOC_DAIFMT_NB_NF |
640 SND_SOC_DAIFMT_CBS_CFS);
641 if (err < 0) {
642 dev_err(card->dev, "codec_dai fmt not set\n");
643 return err;
644 }
645
646 err = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
647 SND_SOC_CLOCK_IN);
648 if (err < 0) {
649 dev_err(card->dev, "codec_dai clock not set\n");
650 return err;
651 }
652
653#ifndef CONFIG_ARCH_TEGRA_2x_SOC
654 /* codec configuration */
655 machine->codec_info[HIFI_CODEC].rate = params_rate(params);
656 machine->codec_info[HIFI_CODEC].channels = params_channels(params);
657 machine->codec_info[HIFI_CODEC].bitsize = 16;
658 machine->codec_info[HIFI_CODEC].is_i2smaster = 1;
659 machine->codec_info[HIFI_CODEC].is_format_dsp = 0;
660
661 /* baseband configuration */
662 machine->codec_info[BASEBAND].bitsize = 16;
663 machine->codec_info[BASEBAND].is_i2smaster = 1;
664 machine->codec_info[BASEBAND].is_format_dsp = 1;
665#endif
666
667 machine->is_device_bt = 0;
668
669 return 0;
670}
671
672static void tegra_voice_call_shutdown(struct snd_pcm_substream *substream)
673{
674 struct snd_soc_pcm_runtime *rtd = substream->private_data;
675 struct tegra_max98088 *machine =
676 snd_soc_card_get_drvdata(rtd->codec->card);
677
678#ifndef CONFIG_ARCH_TEGRA_2x_SOC
679 machine->codec_info[HIFI_CODEC].rate = 0;
680 machine->codec_info[HIFI_CODEC].channels = 0;
681#endif
682
683 return;
684}
685
686static int tegra_bt_voice_call_hw_params(struct snd_pcm_substream *substream,
687 struct snd_pcm_hw_params *params)
688{
689 struct snd_soc_pcm_runtime *rtd = substream->private_data;
690 struct snd_soc_card *card = rtd->card;
691 struct tegra_max98088 *machine = snd_soc_card_get_drvdata(card);
692 int err, srate, mclk, min_mclk;
693
694 srate = params_rate(params);
695 switch (srate) {
696 case 11025:
697 case 22050:
698 case 44100:
699 case 88200:
700 mclk = 11289600;
701 break;
702 case 8000:
703 case 16000:
704 case 32000:
705 case 48000:
706 case 64000:
707 case 96000:
708 mclk = 12288000;
709 break;
710 default:
711 return -EINVAL;
712 }
713 min_mclk = 64 * srate;
714
715 err = tegra_asoc_utils_set_rate(&machine->util_data, srate, mclk);
716 if (err < 0) {
717 if (!(machine->util_data.set_mclk % min_mclk))
718 mclk = machine->util_data.set_mclk;
719 else {
720 dev_err(card->dev, "Can't configure clocks\n");
721 return err;
722 }
723 }
724
725 tegra_asoc_utils_lock_clk_rate(&machine->util_data, 1);
726
727#ifndef CONFIG_ARCH_TEGRA_2x_SOC
728 /* codec configuration */
729 machine->codec_info[BT_SCO].rate = params_rate(params);
730 machine->codec_info[BT_SCO].channels = params_channels(params);
731 machine->codec_info[BT_SCO].bitsize = 16;
732 machine->codec_info[BT_SCO].is_i2smaster = 1;
733 machine->codec_info[BT_SCO].is_format_dsp = 1;
734
735 /* baseband configuration */
736 machine->codec_info[BASEBAND].bitsize = 16;
737 machine->codec_info[BASEBAND].is_i2smaster = 1;
738 machine->codec_info[BASEBAND].is_format_dsp = 1;
739#endif
740
741 machine->is_device_bt = 1;
742
743 return 0;
744}
745
746static void tegra_bt_voice_call_shutdown(struct snd_pcm_substream *substream)
747{
748 struct snd_soc_pcm_runtime *rtd = substream->private_data;
749 struct tegra_max98088 *machine =
750 snd_soc_card_get_drvdata(rtd->codec->card);
751
752#ifndef CONFIG_ARCH_TEGRA_2x_SOC
753 machine->codec_info[BT_SCO].rate = 0;
754 machine->codec_info[BT_SCO].channels = 0;
755#endif
756
757 return;
758}
759
760static struct snd_soc_ops tegra_max98088_ops = {
761 .hw_params = tegra_max98088_hw_params,
762 .hw_free = tegra_hw_free,
763#ifndef CONFIG_ARCH_TEGRA_2x_SOC
764 .startup = tegra_max98088_startup,
765 .shutdown = tegra_max98088_shutdown,
766#endif
767};
768
769static struct snd_soc_ops tegra_spdif_ops = {
770 .hw_params = tegra_spdif_hw_params,
771 .hw_free = tegra_hw_free,
772};
773
774static struct snd_soc_ops tegra_voice_call_ops = {
775 .hw_params = tegra_voice_call_hw_params,
776 .shutdown = tegra_voice_call_shutdown,
777 .hw_free = tegra_hw_free,
778};
779
780static struct snd_soc_ops tegra_bt_voice_call_ops = {
781 .hw_params = tegra_bt_voice_call_hw_params,
782 .shutdown = tegra_bt_voice_call_shutdown,
783 .hw_free = tegra_hw_free,
784};
785
786static struct snd_soc_ops tegra_bt_ops = {
787 .hw_params = tegra_bt_hw_params,
788 .hw_free = tegra_hw_free,
789#ifndef CONFIG_ARCH_TEGRA_2x_SOC
790 .startup = tegra_max98088_startup,
791 .shutdown = tegra_max98088_shutdown,
792#endif
793};
794
795static struct snd_soc_jack tegra_max98088_hp_jack;
796
797#ifdef CONFIG_SWITCH
798static struct switch_dev wired_switch_dev = {
799 .name = "h2w",
800};
801
802/* These values are copied from WiredAccessoryObserver */
803enum headset_state {
804 BIT_NO_HEADSET = 0,
805 BIT_HEADSET = (1 << 0),
806 BIT_HEADSET_NO_MIC = (1 << 1),
807};
808
809static int headset_switch_notify(struct notifier_block *self,
810 unsigned long action, void *dev)
811{
812 int state = 0;
813
814 switch (action) {
815 case SND_JACK_HEADPHONE:
816 state |= BIT_HEADSET_NO_MIC;
817 break;
818 case SND_JACK_HEADSET:
819 state |= BIT_HEADSET;
820 break;
821 default:
822 state |= BIT_NO_HEADSET;
823 }
824
825 switch_set_state(&wired_switch_dev, state);
826
827 return NOTIFY_OK;
828}
829
830static struct notifier_block headset_switch_nb = {
831 .notifier_call = headset_switch_notify,
832};
833#else
834static struct snd_soc_jack_pin tegra_max98088_hp_jack_pins[] = {
835 {
836 .pin = "Headphone Jack",
837 .mask = SND_JACK_HEADPHONE,
838 },
839};
840#endif
841
842static int tegra_max98088_event_int_spk(struct snd_soc_dapm_widget *w,
843 struct snd_kcontrol *k, int event)
844{
845 struct snd_soc_dapm_context *dapm = w->dapm;
846 struct snd_soc_card *card = dapm->card;
847 struct tegra_max98088 *machine = snd_soc_card_get_drvdata(card);
848 struct tegra_asoc_platform_data *pdata = machine->pdata;
849
850 if (!(machine->gpio_requested & GPIO_SPKR_EN))
851 return 0;
852
853 gpio_set_value_cansleep(pdata->gpio_spkr_en,
854 SND_SOC_DAPM_EVENT_ON(event));
855
856 return 0;
857}
858
859static int tegra_max98088_event_hp(struct snd_soc_dapm_widget *w,
860 struct snd_kcontrol *k, int event)
861{
862 struct snd_soc_dapm_context *dapm = w->dapm;
863 struct snd_soc_card *card = dapm->card;
864 struct tegra_max98088 *machine = snd_soc_card_get_drvdata(card);
865 struct tegra_asoc_platform_data *pdata = machine->pdata;
866
867 if (!(machine->gpio_requested & GPIO_HP_MUTE))
868 return 0;
869
870 gpio_set_value_cansleep(pdata->gpio_hp_mute,
871 !SND_SOC_DAPM_EVENT_ON(event));
872
873 return 0;
874}
875
876static const struct snd_soc_dapm_widget tegra_max98088_dapm_widgets[] = {
877 SND_SOC_DAPM_SPK("Int Spk", tegra_max98088_event_int_spk),
878 SND_SOC_DAPM_OUTPUT("Earpiece"),
879 SND_SOC_DAPM_HP("Headphone Jack", tegra_max98088_event_hp),
880 SND_SOC_DAPM_MIC("Mic Jack", NULL),
881 SND_SOC_DAPM_INPUT("Int Mic"),
882};
883
884static const struct snd_soc_dapm_route enterprise_audio_map[] = {
885 {"Int Spk", NULL, "SPKL"},
886 {"Int Spk", NULL, "SPKR"},
887 {"Earpiece", NULL, "RECL"},
888 {"Earpiece", NULL, "RECR"},
889 {"Headphone Jack", NULL, "HPL"},
890 {"Headphone Jack", NULL, "HPR"},
891 {"MICBIAS", NULL, "Mic Jack"},
892 {"MIC2", NULL, "MICBIAS"},
893 {"MICBIAS", NULL, "Int Mic"},
894 {"MIC1", NULL, "MICBIAS"},
895};
896
897static const struct snd_kcontrol_new tegra_max98088_controls[] = {
898 SOC_DAPM_PIN_SWITCH("Int Spk"),
899 SOC_DAPM_PIN_SWITCH("Earpiece"),
900 SOC_DAPM_PIN_SWITCH("Headphone Jack"),
901 SOC_DAPM_PIN_SWITCH("Mic Jack"),
902 SOC_DAPM_PIN_SWITCH("Int Mic"),
903};
904
905static int tegra_max98088_init(struct snd_soc_pcm_runtime *rtd)
906{
907 struct snd_soc_codec *codec = rtd->codec;
908 struct snd_soc_dapm_context *dapm = &codec->dapm;
909 struct snd_soc_card *card = codec->card;
910 struct tegra_max98088 *machine = snd_soc_card_get_drvdata(card);
911 struct tegra_asoc_platform_data *pdata = machine->pdata;
912#ifndef CONFIG_ARCH_TEGRA_2x_SOC
913 struct tegra30_i2s *i2s = snd_soc_dai_get_drvdata(rtd->cpu_dai);
914#endif
915 int ret;
916
917#ifndef CONFIG_ARCH_TEGRA_2x_SOC
918 if (machine->codec_info[BASEBAND].i2s_id != -1)
919 i2s->is_dam_used = true;
920#endif
921
922 if (machine->init_done)
923 return 0;
924
925 machine->init_done = true;
926
927 machine->pcard = card;
928 machine->bias_level = SND_SOC_BIAS_STANDBY;
929
930 if (gpio_is_valid(pdata->gpio_spkr_en)) {
931 ret = gpio_request(pdata->gpio_spkr_en, "spkr_en");
932 if (ret) {
933 dev_err(card->dev, "cannot get spkr_en gpio\n");
934 return ret;
935 }
936 machine->gpio_requested |= GPIO_SPKR_EN;
937
938 gpio_direction_output(pdata->gpio_spkr_en, 0);
939 }
940
941 if (gpio_is_valid(pdata->gpio_hp_mute)) {
942 ret = gpio_request(pdata->gpio_hp_mute, "hp_mute");
943 if (ret) {
944 dev_err(card->dev, "cannot get hp_mute gpio\n");
945 return ret;
946 }
947 machine->gpio_requested |= GPIO_HP_MUTE;
948
949 gpio_direction_output(pdata->gpio_hp_mute, 0);
950 }
951
952 if (gpio_is_valid(pdata->gpio_int_mic_en)) {
953 ret = gpio_request(pdata->gpio_int_mic_en, "int_mic_en");
954 if (ret) {
955 dev_err(card->dev, "cannot get int_mic_en gpio\n");
956 return ret;
957 }
958 machine->gpio_requested |= GPIO_INT_MIC_EN;
959
960 /* Disable int mic; enable signal is active-high */
961 gpio_direction_output(pdata->gpio_int_mic_en, 0);
962 }
963
964 if (gpio_is_valid(pdata->gpio_ext_mic_en)) {
965 ret = gpio_request(pdata->gpio_ext_mic_en, "ext_mic_en");
966 if (ret) {
967 dev_err(card->dev, "cannot get ext_mic_en gpio\n");
968 return ret;
969 }
970 machine->gpio_requested |= GPIO_EXT_MIC_EN;
971
972 /* Enable ext mic; enable signal is active-low */
973 gpio_direction_output(pdata->gpio_ext_mic_en, 0);
974 }
975
976 ret = snd_soc_add_controls(codec, tegra_max98088_controls,
977 ARRAY_SIZE(tegra_max98088_controls));
978 if (ret < 0)
979 return ret;
980
981 snd_soc_dapm_new_controls(dapm, tegra_max98088_dapm_widgets,
982 ARRAY_SIZE(tegra_max98088_dapm_widgets));
983
984 snd_soc_dapm_add_routes(dapm, enterprise_audio_map,
985 ARRAY_SIZE(enterprise_audio_map));
986
987 ret = snd_soc_jack_new(codec, "Headset Jack", SND_JACK_HEADSET,
988 &tegra_max98088_hp_jack);
989 if (ret < 0)
990 return ret;
991
992#ifdef CONFIG_SWITCH
993 snd_soc_jack_notifier_register(&tegra_max98088_hp_jack,
994 &headset_switch_nb);
995#else /*gpio based headset detection*/
996 snd_soc_jack_add_pins(&tegra_max98088_hp_jack,
997 ARRAY_SIZE(tegra_max98088_hp_jack_pins),
998 tegra_max98088_hp_jack_pins);
999#endif
1000
1001 max98088_headset_detect(codec, &tegra_max98088_hp_jack,
1002 SND_JACK_HEADSET);
1003
1004 /* Add call mode switch control */
1005 ret = snd_ctl_add(codec->card->snd_card,
1006 snd_ctl_new1(&tegra_call_mode_control, machine));
1007 if (ret < 0)
1008 return ret;
1009
1010 snd_soc_dapm_nc_pin(dapm, "INA1");
1011 snd_soc_dapm_nc_pin(dapm, "INA2");
1012 snd_soc_dapm_nc_pin(dapm, "INB1");
1013 snd_soc_dapm_nc_pin(dapm, "INB2");
1014 snd_soc_dapm_sync(dapm);
1015
1016 return 0;
1017}
1018
1019static struct snd_soc_dai_link tegra_max98088_dai[NUM_DAI_LINKS] = {
1020 [DAI_LINK_HIFI] = {
1021 .name = "MAX98088",
1022 .stream_name = "MAX98088 HIFI",
1023 .codec_name = "max98088.0-0010",
1024 .platform_name = "tegra-pcm-audio",
1025 .codec_dai_name = "HiFi",
1026 .init = tegra_max98088_init,
1027 .ops = &tegra_max98088_ops,
1028 },
1029 [DAI_LINK_SPDIF] = {
1030 .name = "SPDIF",
1031 .stream_name = "SPDIF PCM",
1032 .codec_name = "spdif-dit.0",
1033 .platform_name = "tegra-pcm-audio",
1034 .cpu_dai_name = "tegra30-spdif",
1035 .codec_dai_name = "dit-hifi",
1036 .ops = &tegra_spdif_ops,
1037 },
1038 [DAI_LINK_BTSCO] = {
1039 .name = "BT SCO",
1040 .stream_name = "BT SCO PCM",
1041 .codec_name = "spdif-dit.1",
1042 .platform_name = "tegra-pcm-audio",
1043 .codec_dai_name = "dit-hifi",
1044 .init = tegra_max98088_init,
1045 .ops = &tegra_bt_ops,
1046 },
1047 [DAI_LINK_VOICE_CALL] = {
1048 .name = "VOICE CALL",
1049 .stream_name = "VOICE CALL PCM",
1050 .codec_name = "max98088.0-0010",
1051 .platform_name = "tegra-pcm-audio",
1052 .cpu_dai_name = "dit-hifi",
1053 .codec_dai_name = "HiFi",
1054 .ops = &tegra_voice_call_ops,
1055 },
1056 [DAI_LINK_BT_VOICE_CALL] = {
1057 .name = "BT VOICE CALL",
1058 .stream_name = "BT VOICE CALL PCM",
1059 .codec_name = "spdif-dit.2",
1060 .platform_name = "tegra-pcm-audio",
1061 .cpu_dai_name = "dit-hifi",
1062 .codec_dai_name = "dit-hifi",
1063 .ops = &tegra_bt_voice_call_ops,
1064 },
1065};
1066
1067static int tegra30_soc_set_bias_level(struct snd_soc_card *card,
1068 enum snd_soc_bias_level level)
1069{
1070 struct tegra_max98088 *machine = snd_soc_card_get_drvdata(card);
1071
1072 if (machine->bias_level == SND_SOC_BIAS_OFF &&
1073 level != SND_SOC_BIAS_OFF)
1074 tegra_asoc_utils_clk_enable(&machine->util_data);
1075
1076 return 0;
1077}
1078
1079static int tegra30_soc_set_bias_level_post(struct snd_soc_card *card,
1080 enum snd_soc_bias_level level)
1081{
1082 struct tegra_max98088 *machine = snd_soc_card_get_drvdata(card);
1083
1084 if (machine->bias_level != SND_SOC_BIAS_OFF &&
1085 level == SND_SOC_BIAS_OFF)
1086 tegra_asoc_utils_clk_disable(&machine->util_data);
1087
1088 machine->bias_level = level;
1089
1090 return 0 ;
1091}
1092
1093static struct snd_soc_card snd_soc_tegra_max98088 = {
1094 .name = "tegra-max98088",
1095 .dai_link = tegra_max98088_dai,
1096 .num_links = ARRAY_SIZE(tegra_max98088_dai),
1097 .set_bias_level = tegra30_soc_set_bias_level,
1098 .set_bias_level_post = tegra30_soc_set_bias_level_post,
1099};
1100
1101static __devinit int tegra_max98088_driver_probe(struct platform_device *pdev)
1102{
1103 struct snd_soc_card *card = &snd_soc_tegra_max98088;
1104 struct tegra_max98088 *machine;
1105 struct tegra_asoc_platform_data *pdata;
1106 int ret, i;
1107
1108 pdata = pdev->dev.platform_data;
1109 if (!pdata) {
1110 dev_err(&pdev->dev, "No platform data supplied\n");
1111 return -EINVAL;
1112 }
1113
1114 machine = kzalloc(sizeof(struct tegra_max98088), GFP_KERNEL);
1115 if (!machine) {
1116 dev_err(&pdev->dev, "Can't allocate tegra_max98088 struct\n");
1117 return -ENOMEM;
1118 }
1119
1120 machine->pdata = pdata;
1121
1122 ret = tegra_asoc_utils_init(&machine->util_data, &pdev->dev);
1123 if (ret)
1124 goto err_free_machine;
1125
1126 card->dev = &pdev->dev;
1127 platform_set_drvdata(pdev, card);
1128 snd_soc_card_set_drvdata(card, machine);
1129
1130#ifdef CONFIG_SWITCH
1131 /* Add h2w switch class support */
1132 ret = switch_dev_register(&wired_switch_dev);
1133 if (ret < 0) {
1134 dev_err(&pdev->dev, "not able to register switch device\n");
1135 goto err_fini_utils;
1136 }
1137#endif
1138
1139#ifndef CONFIG_ARCH_TEGRA_2x_SOC
1140 for (i = 0; i < NUM_I2S_DEVICES ; i++)
1141 machine->codec_info[i].i2s_id = pdata->audio_port_id[i];
1142
1143 machine->codec_info[BASEBAND].rate = pdata->baseband_param.rate;
1144 machine->codec_info[BASEBAND].channels = pdata->baseband_param.channels;
1145
1146 tegra_max98088_dai[DAI_LINK_HIFI].cpu_dai_name =
1147 tegra_max98088_i2s_dai_name[machine->codec_info[HIFI_CODEC].i2s_id];
1148
1149 tegra_max98088_dai[DAI_LINK_BTSCO].cpu_dai_name =
1150 tegra_max98088_i2s_dai_name[machine->codec_info[BT_SCO].i2s_id];
1151#endif
1152
1153 ret = snd_soc_register_card(card);
1154 if (ret) {
1155 dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n",
1156 ret);
1157 goto err_switch_unregister;
1158 }
1159
1160 if (!card->instantiated) {
1161 dev_err(&pdev->dev, "No MAX98088 codec\n");
1162 goto err_unregister_card;
1163 }
1164
1165 return 0;
1166
1167err_unregister_card:
1168 snd_soc_unregister_card(card);
1169err_switch_unregister:
1170#ifdef CONFIG_SWITCH
1171 switch_dev_unregister(&wired_switch_dev);
1172#endif
1173err_fini_utils:
1174 tegra_asoc_utils_fini(&machine->util_data);
1175err_free_machine:
1176 kfree(machine);
1177 return ret;
1178}
1179
1180static int __devexit tegra_max98088_driver_remove(struct platform_device *pdev)
1181{
1182 struct snd_soc_card *card = platform_get_drvdata(pdev);
1183 struct tegra_max98088 *machine = snd_soc_card_get_drvdata(card);
1184 struct tegra_asoc_platform_data *pdata = machine->pdata;
1185
1186 snd_soc_unregister_card(card);
1187
1188#ifdef CONFIG_SWITCH
1189 switch_dev_unregister(&wired_switch_dev);
1190#endif
1191
1192 tegra_asoc_utils_fini(&machine->util_data);
1193
1194 if (machine->gpio_requested & GPIO_EXT_MIC_EN)
1195 gpio_free(pdata->gpio_ext_mic_en);
1196 if (machine->gpio_requested & GPIO_INT_MIC_EN)
1197 gpio_free(pdata->gpio_int_mic_en);
1198 if (machine->gpio_requested & GPIO_HP_MUTE)
1199 gpio_free(pdata->gpio_hp_mute);
1200 if (machine->gpio_requested & GPIO_SPKR_EN)
1201 gpio_free(pdata->gpio_spkr_en);
1202
1203 kfree(machine);
1204
1205 return 0;
1206}
1207
1208static struct platform_driver tegra_max98088_driver = {
1209 .driver = {
1210 .name = DRV_NAME,
1211 .owner = THIS_MODULE,
1212 .pm = &snd_soc_pm_ops,
1213 },
1214 .probe = tegra_max98088_driver_probe,
1215 .remove = __devexit_p(tegra_max98088_driver_remove),
1216};
1217
1218static int __init tegra_max98088_modinit(void)
1219{
1220 return platform_driver_register(&tegra_max98088_driver);
1221}
1222module_init(tegra_max98088_modinit);
1223
1224static void __exit tegra_max98088_modexit(void)
1225{
1226 platform_driver_unregister(&tegra_max98088_driver);
1227}
1228module_exit(tegra_max98088_modexit);
1229
1230MODULE_AUTHOR("Sumit Bhattacharya <sumitb@nvidia.com>");
1231MODULE_DESCRIPTION("Tegra+MAX98088 machine ASoC driver");
1232MODULE_LICENSE("GPL");
1233MODULE_ALIAS("platform:" DRV_NAME);
generated by cgit v1.2.2 (git 2.25.0) at 2025-03-15 14:42:29 -0400