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-rw-r--r--sound/soc/samsung/Kconfig9
-rw-r--r--sound/soc/samsung/Makefile2
-rw-r--r--sound/soc/samsung/tm2_wm5110.c552
3 files changed, 563 insertions, 0 deletions
diff --git a/sound/soc/samsung/Kconfig b/sound/soc/samsung/Kconfig
index a6cc6ca93fa7..7c423151ef7d 100644
--- a/sound/soc/samsung/Kconfig
+++ b/sound/soc/samsung/Kconfig
@@ -190,4 +190,13 @@ config SND_SOC_ARNDALE_RT5631_ALC5631
190 select SND_SAMSUNG_I2S 190 select SND_SAMSUNG_I2S
191 select SND_SOC_RT5631 191 select SND_SOC_RT5631
192 192
193config SND_SOC_SAMSUNG_TM2_WM5110
194 tristate "SoC I2S Audio support for WM5110 on TM2 board"
195 depends on SND_SOC_SAMSUNG && MFD_ARIZONA && I2C && SPI_MASTER
196 select SND_SOC_MAX98504
197 select SND_SOC_WM5110
198 select SND_SAMSUNG_I2S
199 help
200 Say Y if you want to add support for SoC audio on the TM2 board.
201
193endif #SND_SOC_SAMSUNG 202endif #SND_SOC_SAMSUNG
diff --git a/sound/soc/samsung/Makefile b/sound/soc/samsung/Makefile
index c95b6835361f..b5df5e2e3d94 100644
--- a/sound/soc/samsung/Makefile
+++ b/sound/soc/samsung/Makefile
@@ -41,6 +41,7 @@ snd-soc-lowland-objs := lowland.o
41snd-soc-littlemill-objs := littlemill.o 41snd-soc-littlemill-objs := littlemill.o
42snd-soc-bells-objs := bells.o 42snd-soc-bells-objs := bells.o
43snd-soc-arndale-rt5631-objs := arndale_rt5631.o 43snd-soc-arndale-rt5631-objs := arndale_rt5631.o
44snd-soc-tm2-wm5110-objs := tm2_wm5110.o
44 45
45obj-$(CONFIG_SND_SOC_SAMSUNG_JIVE_WM8750) += snd-soc-jive-wm8750.o 46obj-$(CONFIG_SND_SOC_SAMSUNG_JIVE_WM8750) += snd-soc-jive-wm8750.o
46obj-$(CONFIG_SND_SOC_SAMSUNG_NEO1973_WM8753) += snd-soc-neo1973-wm8753.o 47obj-$(CONFIG_SND_SOC_SAMSUNG_NEO1973_WM8753) += snd-soc-neo1973-wm8753.o
@@ -62,3 +63,4 @@ obj-$(CONFIG_SND_SOC_LOWLAND) += snd-soc-lowland.o
62obj-$(CONFIG_SND_SOC_LITTLEMILL) += snd-soc-littlemill.o 63obj-$(CONFIG_SND_SOC_LITTLEMILL) += snd-soc-littlemill.o
63obj-$(CONFIG_SND_SOC_BELLS) += snd-soc-bells.o 64obj-$(CONFIG_SND_SOC_BELLS) += snd-soc-bells.o
64obj-$(CONFIG_SND_SOC_ARNDALE_RT5631_ALC5631) += snd-soc-arndale-rt5631.o 65obj-$(CONFIG_SND_SOC_ARNDALE_RT5631_ALC5631) += snd-soc-arndale-rt5631.o
66obj-$(CONFIG_SND_SOC_SAMSUNG_TM2_WM5110) += snd-soc-tm2-wm5110.o
diff --git a/sound/soc/samsung/tm2_wm5110.c b/sound/soc/samsung/tm2_wm5110.c
new file mode 100644
index 000000000000..5cdf7d19b87f
--- /dev/null
+++ b/sound/soc/samsung/tm2_wm5110.c
@@ -0,0 +1,552 @@
1/*
2 * Copyright (C) 2015 - 2016 Samsung Electronics Co., Ltd.
3 *
4 * Authors: Inha Song <ideal.song@samsung.com>
5 * Sylwester Nawrocki <s.nawrocki@samsung.com>
6 *
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by the
9 * Free Software Foundation; either version 2 of the License, or (at your
10 * option) any later version.
11 */
12
13#include <linux/clk.h>
14#include <linux/gpio.h>
15#include <linux/module.h>
16#include <linux/of.h>
17#include <sound/pcm_params.h>
18#include <sound/soc.h>
19
20#include "i2s.h"
21#include "../codecs/wm5110.h"
22
23/*
24 * The source clock is XCLKOUT with its mux set to the external fixed rate
25 * oscillator (XXTI).
26 */
27#define MCLK_RATE 24000000U
28
29#define TM2_DAI_AIF1 0
30#define TM2_DAI_AIF2 1
31
32struct tm2_machine_priv {
33 struct snd_soc_codec *codec;
34 unsigned int sysclk_rate;
35 struct gpio_desc *gpio_mic_bias;
36};
37
38static int tm2_start_sysclk(struct snd_soc_card *card)
39{
40 struct tm2_machine_priv *priv = snd_soc_card_get_drvdata(card);
41 struct snd_soc_codec *codec = priv->codec;
42 int ret;
43
44 ret = snd_soc_codec_set_pll(codec, WM5110_FLL1_REFCLK,
45 ARIZONA_FLL_SRC_MCLK1,
46 MCLK_RATE,
47 priv->sysclk_rate);
48 if (ret < 0) {
49 dev_err(codec->dev, "Failed to set FLL1 source: %d\n", ret);
50 return ret;
51 }
52
53 ret = snd_soc_codec_set_pll(codec, WM5110_FLL1,
54 ARIZONA_FLL_SRC_MCLK1,
55 MCLK_RATE,
56 priv->sysclk_rate);
57 if (ret < 0) {
58 dev_err(codec->dev, "Failed to start FLL1: %d\n", ret);
59 return ret;
60 }
61
62 ret = snd_soc_codec_set_sysclk(codec, ARIZONA_CLK_SYSCLK,
63 ARIZONA_CLK_SRC_FLL1,
64 priv->sysclk_rate,
65 SND_SOC_CLOCK_IN);
66 if (ret < 0) {
67 dev_err(codec->dev, "Failed to set SYSCLK source: %d\n", ret);
68 return ret;
69 }
70
71 return 0;
72}
73
74static int tm2_stop_sysclk(struct snd_soc_card *card)
75{
76 struct tm2_machine_priv *priv = snd_soc_card_get_drvdata(card);
77 struct snd_soc_codec *codec = priv->codec;
78 int ret;
79
80 ret = snd_soc_codec_set_pll(codec, WM5110_FLL1, 0, 0, 0);
81 if (ret < 0) {
82 dev_err(codec->dev, "Failed to stop FLL1: %d\n", ret);
83 return ret;
84 }
85
86 ret = snd_soc_codec_set_sysclk(codec, ARIZONA_CLK_SYSCLK,
87 ARIZONA_CLK_SRC_FLL1, 0, 0);
88 if (ret < 0) {
89 dev_err(codec->dev, "Failed to stop SYSCLK: %d\n", ret);
90 return ret;
91 }
92
93 return 0;
94}
95
96static int tm2_aif1_hw_params(struct snd_pcm_substream *substream,
97 struct snd_pcm_hw_params *params)
98{
99 struct snd_soc_pcm_runtime *rtd = substream->private_data;
100 struct snd_soc_codec *codec = rtd->codec;
101 struct tm2_machine_priv *priv = snd_soc_card_get_drvdata(rtd->card);
102
103 switch (params_rate(params)) {
104 case 4000:
105 case 8000:
106 case 12000:
107 case 16000:
108 case 24000:
109 case 32000:
110 case 48000:
111 case 96000:
112 case 192000:
113 /* Highest possible SYSCLK frequency: 147.456MHz */
114 priv->sysclk_rate = 147456000U;
115 break;
116 case 11025:
117 case 22050:
118 case 44100:
119 case 88200:
120 case 176400:
121 /* Highest possible SYSCLK frequency: 135.4752 MHz */
122 priv->sysclk_rate = 135475200U;
123 break;
124 default:
125 dev_err(codec->dev, "Not supported sample rate: %d\n",
126 params_rate(params));
127 return -EINVAL;
128 }
129
130 return tm2_start_sysclk(rtd->card);
131}
132
133static struct snd_soc_ops tm2_aif1_ops = {
134 .hw_params = tm2_aif1_hw_params,
135};
136
137static int tm2_aif2_hw_params(struct snd_pcm_substream *substream,
138 struct snd_pcm_hw_params *params)
139{
140 struct snd_soc_pcm_runtime *rtd = substream->private_data;
141 struct snd_soc_codec *codec = rtd->codec;
142 unsigned int asyncclk_rate;
143 int ret;
144
145 switch (params_rate(params)) {
146 case 8000:
147 case 12000:
148 case 16000:
149 /* Highest possible ASYNCCLK frequency: 49.152MHz */
150 asyncclk_rate = 49152000U;
151 break;
152 case 11025:
153 /* Highest possible ASYNCCLK frequency: 45.1584 MHz */
154 asyncclk_rate = 45158400U;
155 break;
156 default:
157 dev_err(codec->dev, "Not supported sample rate: %d\n",
158 params_rate(params));
159 return -EINVAL;
160 }
161
162 ret = snd_soc_codec_set_pll(codec, WM5110_FLL2_REFCLK,
163 ARIZONA_FLL_SRC_MCLK1,
164 MCLK_RATE,
165 asyncclk_rate);
166 if (ret < 0) {
167 dev_err(codec->dev, "Failed to set FLL2 source: %d\n", ret);
168 return ret;
169 }
170
171 ret = snd_soc_codec_set_pll(codec, WM5110_FLL2,
172 ARIZONA_FLL_SRC_MCLK1,
173 MCLK_RATE,
174 asyncclk_rate);
175 if (ret < 0) {
176 dev_err(codec->dev, "Failed to start FLL2: %d\n", ret);
177 return ret;
178 }
179
180 ret = snd_soc_codec_set_sysclk(codec, ARIZONA_CLK_ASYNCCLK,
181 ARIZONA_CLK_SRC_FLL2,
182 asyncclk_rate,
183 SND_SOC_CLOCK_IN);
184 if (ret < 0) {
185 dev_err(codec->dev, "Failed to set ASYNCCLK source: %d\n", ret);
186 return ret;
187 }
188
189 return 0;
190}
191
192static int tm2_aif2_hw_free(struct snd_pcm_substream *substream)
193{
194 struct snd_soc_pcm_runtime *rtd = substream->private_data;
195 struct snd_soc_codec *codec = rtd->codec;
196 int ret;
197
198 /* disable FLL2 */
199 ret = snd_soc_codec_set_pll(codec, WM5110_FLL2, ARIZONA_FLL_SRC_MCLK1,
200 0, 0);
201 if (ret < 0)
202 dev_err(codec->dev, "Failed to stop FLL2: %d\n", ret);
203
204 return ret;
205}
206
207static struct snd_soc_ops tm2_aif2_ops = {
208 .hw_params = tm2_aif2_hw_params,
209 .hw_free = tm2_aif2_hw_free,
210};
211
212static int tm2_mic_bias(struct snd_soc_dapm_widget *w,
213 struct snd_kcontrol *kcontrol, int event)
214{
215 struct snd_soc_card *card = w->dapm->card;
216 struct tm2_machine_priv *priv = snd_soc_card_get_drvdata(card);
217
218 switch (event) {
219 case SND_SOC_DAPM_PRE_PMU:
220 gpiod_set_value_cansleep(priv->gpio_mic_bias, 1);
221 break;
222 case SND_SOC_DAPM_POST_PMD:
223 gpiod_set_value_cansleep(priv->gpio_mic_bias, 0);
224 break;
225 }
226
227 return 0;
228}
229
230static int tm2_set_bias_level(struct snd_soc_card *card,
231 struct snd_soc_dapm_context *dapm,
232 enum snd_soc_bias_level level)
233{
234 struct snd_soc_pcm_runtime *rtd;
235
236 rtd = snd_soc_get_pcm_runtime(card, card->dai_link[0].name);
237
238 if (dapm->dev != rtd->codec_dai->dev)
239 return 0;
240
241 switch (level) {
242 case SND_SOC_BIAS_STANDBY:
243 if (card->dapm.bias_level == SND_SOC_BIAS_OFF)
244 tm2_start_sysclk(card);
245 break;
246 case SND_SOC_BIAS_OFF:
247 tm2_stop_sysclk(card);
248 break;
249 default:
250 break;
251 }
252
253 return 0;
254}
255
256static struct snd_soc_aux_dev tm2_speaker_amp_dev;
257
258static int tm2_late_probe(struct snd_soc_card *card)
259{
260 struct tm2_machine_priv *priv = snd_soc_card_get_drvdata(card);
261 struct snd_soc_dai_link_component dlc = { 0 };
262 unsigned int ch_map[] = { 0, 1 };
263 struct snd_soc_dai *amp_pdm_dai;
264 struct snd_soc_pcm_runtime *rtd;
265 struct snd_soc_dai *aif1_dai;
266 struct snd_soc_dai *aif2_dai;
267 int ret;
268
269 rtd = snd_soc_get_pcm_runtime(card, card->dai_link[TM2_DAI_AIF1].name);
270 aif1_dai = rtd->codec_dai;
271 priv->codec = rtd->codec;
272
273 ret = snd_soc_dai_set_sysclk(aif1_dai, ARIZONA_CLK_SYSCLK, 0, 0);
274 if (ret < 0) {
275 dev_err(aif1_dai->dev, "Failed to set SYSCLK: %d\n", ret);
276 return ret;
277 }
278
279 rtd = snd_soc_get_pcm_runtime(card, card->dai_link[TM2_DAI_AIF2].name);
280 aif2_dai = rtd->codec_dai;
281
282 ret = snd_soc_dai_set_sysclk(aif2_dai, ARIZONA_CLK_ASYNCCLK, 0, 0);
283 if (ret < 0) {
284 dev_err(aif2_dai->dev, "Failed to set ASYNCCLK: %d\n", ret);
285 return ret;
286 }
287
288 dlc.of_node = tm2_speaker_amp_dev.codec_of_node;
289 amp_pdm_dai = snd_soc_find_dai(&dlc);
290 if (!amp_pdm_dai)
291 return -ENODEV;
292
293 /* Set the MAX98504 V/I sense PDM Tx DAI channel mapping */
294 ret = snd_soc_dai_set_channel_map(amp_pdm_dai, ARRAY_SIZE(ch_map),
295 ch_map, 0, NULL);
296 if (ret < 0)
297 return ret;
298
299 ret = snd_soc_dai_set_tdm_slot(amp_pdm_dai, 0x3, 0x0, 2, 16);
300 if (ret < 0)
301 return ret;
302
303 return 0;
304}
305
306static const struct snd_kcontrol_new tm2_controls[] = {
307 SOC_DAPM_PIN_SWITCH("HP"),
308 SOC_DAPM_PIN_SWITCH("SPK"),
309 SOC_DAPM_PIN_SWITCH("RCV"),
310 SOC_DAPM_PIN_SWITCH("VPS"),
311 SOC_DAPM_PIN_SWITCH("HDMI"),
312
313 SOC_DAPM_PIN_SWITCH("Main Mic"),
314 SOC_DAPM_PIN_SWITCH("Sub Mic"),
315 SOC_DAPM_PIN_SWITCH("Third Mic"),
316
317 SOC_DAPM_PIN_SWITCH("Headset Mic"),
318};
319
320const struct snd_soc_dapm_widget tm2_dapm_widgets[] = {
321 SND_SOC_DAPM_HP("HP", NULL),
322 SND_SOC_DAPM_SPK("SPK", NULL),
323 SND_SOC_DAPM_SPK("RCV", NULL),
324 SND_SOC_DAPM_LINE("VPS", NULL),
325 SND_SOC_DAPM_LINE("HDMI", NULL),
326
327 SND_SOC_DAPM_MIC("Main Mic", tm2_mic_bias),
328 SND_SOC_DAPM_MIC("Sub Mic", NULL),
329 SND_SOC_DAPM_MIC("Third Mic", NULL),
330
331 SND_SOC_DAPM_MIC("Headset Mic", NULL),
332};
333
334static const struct snd_soc_component_driver tm2_component = {
335 .name = "tm2-audio",
336};
337
338static struct snd_soc_dai_driver tm2_ext_dai[] = {
339 {
340 .name = "Voice call",
341 .playback = {
342 .channels_min = 1,
343 .channels_max = 4,
344 .rate_min = 8000,
345 .rate_max = 48000,
346 .rates = (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |
347 SNDRV_PCM_RATE_48000),
348 .formats = SNDRV_PCM_FMTBIT_S16_LE,
349 },
350 .capture = {
351 .channels_min = 1,
352 .channels_max = 4,
353 .rate_min = 8000,
354 .rate_max = 48000,
355 .rates = (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |
356 SNDRV_PCM_RATE_48000),
357 .formats = SNDRV_PCM_FMTBIT_S16_LE,
358 },
359 },
360 {
361 .name = "Bluetooth",
362 .playback = {
363 .channels_min = 1,
364 .channels_max = 4,
365 .rate_min = 8000,
366 .rate_max = 16000,
367 .rates = (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000),
368 .formats = SNDRV_PCM_FMTBIT_S16_LE,
369 },
370 .capture = {
371 .channels_min = 1,
372 .channels_max = 2,
373 .rate_min = 8000,
374 .rate_max = 16000,
375 .rates = (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000),
376 .formats = SNDRV_PCM_FMTBIT_S16_LE,
377 },
378 },
379};
380
381static struct snd_soc_dai_link tm2_dai_links[] = {
382 {
383 .name = "WM5110 AIF1",
384 .stream_name = "HiFi Primary",
385 .codec_dai_name = "wm5110-aif1",
386 .ops = &tm2_aif1_ops,
387 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
388 SND_SOC_DAIFMT_CBM_CFM,
389 }, {
390 .name = "WM5110 Voice",
391 .stream_name = "Voice call",
392 .codec_dai_name = "wm5110-aif2",
393 .ops = &tm2_aif2_ops,
394 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
395 SND_SOC_DAIFMT_CBM_CFM,
396 .ignore_suspend = 1,
397 }, {
398 .name = "WM5110 BT",
399 .stream_name = "Bluetooth",
400 .codec_dai_name = "wm5110-aif3",
401 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
402 SND_SOC_DAIFMT_CBM_CFM,
403 .ignore_suspend = 1,
404 }
405};
406
407static struct snd_soc_card tm2_card = {
408 .owner = THIS_MODULE,
409
410 .dai_link = tm2_dai_links,
411 .num_links = ARRAY_SIZE(tm2_dai_links),
412 .controls = tm2_controls,
413 .num_controls = ARRAY_SIZE(tm2_controls),
414 .dapm_widgets = tm2_dapm_widgets,
415 .num_dapm_widgets = ARRAY_SIZE(tm2_dapm_widgets),
416 .aux_dev = &tm2_speaker_amp_dev,
417 .num_aux_devs = 1,
418
419 .late_probe = tm2_late_probe,
420 .set_bias_level = tm2_set_bias_level,
421};
422
423static int tm2_probe(struct platform_device *pdev)
424{
425 struct device *dev = &pdev->dev;
426 struct snd_soc_card *card = &tm2_card;
427 struct tm2_machine_priv *priv;
428 struct device_node *cpu_dai_node, *codec_dai_node;
429 int ret, i;
430
431 priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
432 if (!priv)
433 return -ENOMEM;
434
435 snd_soc_card_set_drvdata(card, priv);
436 card->dev = dev;
437
438 priv->gpio_mic_bias = devm_gpiod_get(dev, "mic-bias",
439 GPIOF_OUT_INIT_LOW);
440 if (IS_ERR(priv->gpio_mic_bias)) {
441 dev_err(dev, "Failed to get mic bias gpio\n");
442 return PTR_ERR(priv->gpio_mic_bias);
443 }
444
445 ret = snd_soc_of_parse_card_name(card, "model");
446 if (ret < 0) {
447 dev_err(dev, "Card name is not specified\n");
448 return ret;
449 }
450
451 ret = snd_soc_of_parse_audio_routing(card, "samsung,audio-routing");
452 if (ret < 0) {
453 dev_err(dev, "Audio routing is not specified or invalid\n");
454 return ret;
455 }
456
457 card->aux_dev[0].codec_of_node = of_parse_phandle(dev->of_node,
458 "audio-amplifier", 0);
459 if (!card->aux_dev[0].codec_of_node) {
460 dev_err(dev, "audio-amplifier property invalid or missing\n");
461 return -EINVAL;
462 }
463
464 cpu_dai_node = of_parse_phandle(dev->of_node, "i2s-controller", 0);
465 if (!cpu_dai_node) {
466 dev_err(dev, "i2s-controllers property invalid or missing\n");
467 ret = -EINVAL;
468 goto amp_node_put;
469 }
470
471 codec_dai_node = of_parse_phandle(dev->of_node, "audio-codec", 0);
472 if (!codec_dai_node) {
473 dev_err(dev, "audio-codec property invalid or missing\n");
474 ret = -EINVAL;
475 goto cpu_dai_node_put;
476 }
477
478 for (i = 0; i < card->num_links; i++) {
479 card->dai_link[i].cpu_dai_name = NULL;
480 card->dai_link[i].cpu_name = NULL;
481 card->dai_link[i].platform_name = NULL;
482 card->dai_link[i].codec_of_node = codec_dai_node;
483 card->dai_link[i].cpu_of_node = cpu_dai_node;
484 card->dai_link[i].platform_of_node = cpu_dai_node;
485 }
486
487 ret = devm_snd_soc_register_component(dev, &tm2_component,
488 tm2_ext_dai, ARRAY_SIZE(tm2_ext_dai));
489 if (ret < 0) {
490 dev_err(dev, "Failed to register component: %d\n", ret);
491 goto codec_dai_node_put;
492 }
493
494 ret = devm_snd_soc_register_card(dev, card);
495 if (ret < 0) {
496 dev_err(dev, "Failed to register card: %d\n", ret);
497 goto codec_dai_node_put;
498 }
499
500codec_dai_node_put:
501 of_node_put(codec_dai_node);
502cpu_dai_node_put:
503 of_node_put(cpu_dai_node);
504amp_node_put:
505 of_node_put(card->aux_dev[0].codec_of_node);
506 return ret;
507}
508
509static int tm2_pm_prepare(struct device *dev)
510{
511 struct snd_soc_card *card = dev_get_drvdata(dev);
512
513 return tm2_stop_sysclk(card);
514}
515
516static void tm2_pm_complete(struct device *dev)
517{
518 struct snd_soc_card *card = dev_get_drvdata(dev);
519
520 tm2_start_sysclk(card);
521}
522
523const struct dev_pm_ops tm2_pm_ops = {
524 .prepare = tm2_pm_prepare,
525 .suspend = snd_soc_suspend,
526 .resume = snd_soc_resume,
527 .complete = tm2_pm_complete,
528 .freeze = snd_soc_suspend,
529 .thaw = snd_soc_resume,
530 .poweroff = snd_soc_poweroff,
531 .restore = snd_soc_resume,
532};
533
534static const struct of_device_id tm2_of_match[] = {
535 { .compatible = "samsung,tm2-audio" },
536 { },
537};
538MODULE_DEVICE_TABLE(of, tm2_of_match);
539
540static struct platform_driver tm2_driver = {
541 .driver = {
542 .name = "tm2-audio",
543 .pm = &tm2_pm_ops,
544 .of_match_table = tm2_of_match,
545 },
546 .probe = tm2_probe,
547};
548module_platform_driver(tm2_driver);
549
550MODULE_AUTHOR("Inha Song <ideal.song@samsung.com>");
551MODULE_DESCRIPTION("ALSA SoC Exynos TM2 Audio Support");
552MODULE_LICENSE("GPL v2");
generated by cgit v1.2.2 (git 2.25.0) at 2025-10-01 19:28:48 -0400