Merge tag 'integrity-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar...
[linux-2.6-microblaze.git] / sound / soc / ti / rx51.c
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * rx51.c  --  SoC audio for Nokia RX-51
4  *
5  * Copyright (C) 2008 - 2009 Nokia Corporation
6  *
7  * Contact: Peter Ujfalusi <peter.ujfalusi@ti.com>
8  *          Eduardo Valentin <eduardo.valentin@nokia.com>
9  *          Jarkko Nikula <jarkko.nikula@bitmer.com>
10  */
11
12 #include <linux/delay.h>
13 #include <linux/gpio.h>
14 #include <linux/platform_device.h>
15 #include <linux/gpio/consumer.h>
16 #include <linux/module.h>
17 #include <sound/core.h>
18 #include <sound/jack.h>
19 #include <sound/pcm.h>
20 #include <sound/soc.h>
21 #include <linux/platform_data/asoc-ti-mcbsp.h>
22
23 #include <asm/mach-types.h>
24
25 #include "omap-mcbsp.h"
26
27 enum {
28         RX51_JACK_DISABLED,
29         RX51_JACK_TVOUT,                /* tv-out with stereo output */
30         RX51_JACK_HP,                   /* headphone: stereo output, no mic */
31         RX51_JACK_HS,                   /* headset: stereo output with mic */
32 };
33
34 struct rx51_audio_pdata {
35         struct gpio_desc *tvout_selection_gpio;
36         struct gpio_desc *jack_detection_gpio;
37         struct gpio_desc *eci_sw_gpio;
38         struct gpio_desc *speaker_amp_gpio;
39 };
40
41 static int rx51_spk_func;
42 static int rx51_dmic_func;
43 static int rx51_jack_func;
44
45 static void rx51_ext_control(struct snd_soc_dapm_context *dapm)
46 {
47         struct snd_soc_card *card = dapm->card;
48         struct rx51_audio_pdata *pdata = snd_soc_card_get_drvdata(card);
49         int hp = 0, hs = 0, tvout = 0;
50
51         switch (rx51_jack_func) {
52         case RX51_JACK_TVOUT:
53                 tvout = 1;
54                 hp = 1;
55                 break;
56         case RX51_JACK_HS:
57                 hs = 1;
58                 fallthrough;
59         case RX51_JACK_HP:
60                 hp = 1;
61                 break;
62         }
63
64         snd_soc_dapm_mutex_lock(dapm);
65
66         if (rx51_spk_func)
67                 snd_soc_dapm_enable_pin_unlocked(dapm, "Ext Spk");
68         else
69                 snd_soc_dapm_disable_pin_unlocked(dapm, "Ext Spk");
70         if (rx51_dmic_func)
71                 snd_soc_dapm_enable_pin_unlocked(dapm, "DMic");
72         else
73                 snd_soc_dapm_disable_pin_unlocked(dapm, "DMic");
74         if (hp)
75                 snd_soc_dapm_enable_pin_unlocked(dapm, "Headphone Jack");
76         else
77                 snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack");
78         if (hs)
79                 snd_soc_dapm_enable_pin_unlocked(dapm, "HS Mic");
80         else
81                 snd_soc_dapm_disable_pin_unlocked(dapm, "HS Mic");
82
83         gpiod_set_value(pdata->tvout_selection_gpio, tvout);
84
85         snd_soc_dapm_sync_unlocked(dapm);
86
87         snd_soc_dapm_mutex_unlock(dapm);
88 }
89
90 static int rx51_startup(struct snd_pcm_substream *substream)
91 {
92         struct snd_pcm_runtime *runtime = substream->runtime;
93         struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
94         struct snd_soc_card *card = rtd->card;
95
96         snd_pcm_hw_constraint_single(runtime, SNDRV_PCM_HW_PARAM_CHANNELS, 2);
97         rx51_ext_control(&card->dapm);
98
99         return 0;
100 }
101
102 static int rx51_hw_params(struct snd_pcm_substream *substream,
103         struct snd_pcm_hw_params *params)
104 {
105         struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
106         struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
107
108         /* Set the codec system clock for DAC and ADC */
109         return snd_soc_dai_set_sysclk(codec_dai, 0, 19200000,
110                                       SND_SOC_CLOCK_IN);
111 }
112
113 static const struct snd_soc_ops rx51_ops = {
114         .startup = rx51_startup,
115         .hw_params = rx51_hw_params,
116 };
117
118 static int rx51_get_spk(struct snd_kcontrol *kcontrol,
119                         struct snd_ctl_elem_value *ucontrol)
120 {
121         ucontrol->value.enumerated.item[0] = rx51_spk_func;
122
123         return 0;
124 }
125
126 static int rx51_set_spk(struct snd_kcontrol *kcontrol,
127                         struct snd_ctl_elem_value *ucontrol)
128 {
129         struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
130
131         if (rx51_spk_func == ucontrol->value.enumerated.item[0])
132                 return 0;
133
134         rx51_spk_func = ucontrol->value.enumerated.item[0];
135         rx51_ext_control(&card->dapm);
136
137         return 1;
138 }
139
140 static int rx51_spk_event(struct snd_soc_dapm_widget *w,
141                           struct snd_kcontrol *k, int event)
142 {
143         struct snd_soc_dapm_context *dapm = w->dapm;
144         struct snd_soc_card *card = dapm->card;
145         struct rx51_audio_pdata *pdata = snd_soc_card_get_drvdata(card);
146
147         gpiod_set_raw_value_cansleep(pdata->speaker_amp_gpio,
148                                      !!SND_SOC_DAPM_EVENT_ON(event));
149
150         return 0;
151 }
152
153 static int rx51_get_input(struct snd_kcontrol *kcontrol,
154                           struct snd_ctl_elem_value *ucontrol)
155 {
156         ucontrol->value.enumerated.item[0] = rx51_dmic_func;
157
158         return 0;
159 }
160
161 static int rx51_set_input(struct snd_kcontrol *kcontrol,
162                           struct snd_ctl_elem_value *ucontrol)
163 {
164         struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
165
166         if (rx51_dmic_func == ucontrol->value.enumerated.item[0])
167                 return 0;
168
169         rx51_dmic_func = ucontrol->value.enumerated.item[0];
170         rx51_ext_control(&card->dapm);
171
172         return 1;
173 }
174
175 static int rx51_get_jack(struct snd_kcontrol *kcontrol,
176                          struct snd_ctl_elem_value *ucontrol)
177 {
178         ucontrol->value.enumerated.item[0] = rx51_jack_func;
179
180         return 0;
181 }
182
183 static int rx51_set_jack(struct snd_kcontrol *kcontrol,
184                          struct snd_ctl_elem_value *ucontrol)
185 {
186         struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
187
188         if (rx51_jack_func == ucontrol->value.enumerated.item[0])
189                 return 0;
190
191         rx51_jack_func = ucontrol->value.enumerated.item[0];
192         rx51_ext_control(&card->dapm);
193
194         return 1;
195 }
196
197 static struct snd_soc_jack rx51_av_jack;
198
199 static struct snd_soc_jack_gpio rx51_av_jack_gpios[] = {
200         {
201                 .name = "avdet-gpio",
202                 .report = SND_JACK_HEADSET,
203                 .invert = 1,
204                 .debounce_time = 200,
205         },
206 };
207
208 static const struct snd_soc_dapm_widget aic34_dapm_widgets[] = {
209         SND_SOC_DAPM_SPK("Ext Spk", rx51_spk_event),
210         SND_SOC_DAPM_MIC("DMic", NULL),
211         SND_SOC_DAPM_HP("Headphone Jack", NULL),
212         SND_SOC_DAPM_MIC("HS Mic", NULL),
213         SND_SOC_DAPM_LINE("FM Transmitter", NULL),
214         SND_SOC_DAPM_SPK("Earphone", NULL),
215 };
216
217 static const struct snd_soc_dapm_route audio_map[] = {
218         {"Ext Spk", NULL, "HPLOUT"},
219         {"Ext Spk", NULL, "HPROUT"},
220         {"Ext Spk", NULL, "HPLCOM"},
221         {"Ext Spk", NULL, "HPRCOM"},
222         {"FM Transmitter", NULL, "LLOUT"},
223         {"FM Transmitter", NULL, "RLOUT"},
224
225         {"Headphone Jack", NULL, "TPA6130A2 HPLEFT"},
226         {"Headphone Jack", NULL, "TPA6130A2 HPRIGHT"},
227         {"TPA6130A2 LEFTIN", NULL, "LLOUT"},
228         {"TPA6130A2 RIGHTIN", NULL, "RLOUT"},
229
230         {"DMic Rate 64", NULL, "DMic"},
231         {"DMic", NULL, "Mic Bias"},
232
233         {"b LINE2R", NULL, "MONO_LOUT"},
234         {"Earphone", NULL, "b HPLOUT"},
235
236         {"LINE1L", NULL, "HS Mic"},
237         {"HS Mic", NULL, "b Mic Bias"},
238 };
239
240 static const char * const spk_function[] = {"Off", "On"};
241 static const char * const input_function[] = {"ADC", "Digital Mic"};
242 static const char * const jack_function[] = {
243         "Off", "TV-OUT", "Headphone", "Headset"
244 };
245
246 static const struct soc_enum rx51_enum[] = {
247         SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(spk_function), spk_function),
248         SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(input_function), input_function),
249         SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(jack_function), jack_function),
250 };
251
252 static const struct snd_kcontrol_new aic34_rx51_controls[] = {
253         SOC_ENUM_EXT("Speaker Function", rx51_enum[0],
254                      rx51_get_spk, rx51_set_spk),
255         SOC_ENUM_EXT("Input Select",  rx51_enum[1],
256                      rx51_get_input, rx51_set_input),
257         SOC_ENUM_EXT("Jack Function", rx51_enum[2],
258                      rx51_get_jack, rx51_set_jack),
259         SOC_DAPM_PIN_SWITCH("FM Transmitter"),
260         SOC_DAPM_PIN_SWITCH("Earphone"),
261 };
262
263 static int rx51_aic34_init(struct snd_soc_pcm_runtime *rtd)
264 {
265         struct snd_soc_card *card = rtd->card;
266         struct rx51_audio_pdata *pdata = snd_soc_card_get_drvdata(card);
267         int err;
268
269         snd_soc_limit_volume(card, "TPA6130A2 Headphone Playback Volume", 42);
270
271         err = omap_mcbsp_st_add_controls(rtd, 2);
272         if (err < 0) {
273                 dev_err(card->dev, "Failed to add MCBSP controls\n");
274                 return err;
275         }
276
277         /* AV jack detection */
278         err = snd_soc_card_jack_new(rtd->card, "AV Jack",
279                                     SND_JACK_HEADSET | SND_JACK_VIDEOOUT,
280                                     &rx51_av_jack, NULL, 0);
281         if (err) {
282                 dev_err(card->dev, "Failed to add AV Jack\n");
283                 return err;
284         }
285
286         /* prepare gpio for snd_soc_jack_add_gpios */
287         rx51_av_jack_gpios[0].gpio = desc_to_gpio(pdata->jack_detection_gpio);
288         devm_gpiod_put(card->dev, pdata->jack_detection_gpio);
289
290         err = snd_soc_jack_add_gpios(&rx51_av_jack,
291                                      ARRAY_SIZE(rx51_av_jack_gpios),
292                                      rx51_av_jack_gpios);
293         if (err) {
294                 dev_err(card->dev, "Failed to add GPIOs\n");
295                 return err;
296         }
297
298         return err;
299 }
300
301 /* Digital audio interface glue - connects codec <--> CPU */
302 SND_SOC_DAILINK_DEFS(aic34,
303         DAILINK_COMP_ARRAY(COMP_CPU("omap-mcbsp.2")),
304         DAILINK_COMP_ARRAY(COMP_CODEC("tlv320aic3x-codec.2-0018",
305                                       "tlv320aic3x-hifi")),
306         DAILINK_COMP_ARRAY(COMP_PLATFORM("omap-mcbsp.2")));
307
308 static struct snd_soc_dai_link rx51_dai[] = {
309         {
310                 .name = "TLV320AIC34",
311                 .stream_name = "AIC34",
312                 .dai_fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_IB_NF |
313                            SND_SOC_DAIFMT_CBM_CFM,
314                 .init = rx51_aic34_init,
315                 .ops = &rx51_ops,
316                 SND_SOC_DAILINK_REG(aic34),
317         },
318 };
319
320 static struct snd_soc_aux_dev rx51_aux_dev[] = {
321         {
322                 .dlc = COMP_AUX("tlv320aic3x-codec.2-0019"),
323         },
324         {
325                 .dlc = COMP_AUX("tpa6130a2.2-0060"),
326         },
327 };
328
329 static struct snd_soc_codec_conf rx51_codec_conf[] = {
330         {
331                 .dlc = COMP_CODEC_CONF("tlv320aic3x-codec.2-0019"),
332                 .name_prefix = "b",
333         },
334         {
335                 .dlc = COMP_CODEC_CONF("tpa6130a2.2-0060"),
336                 .name_prefix = "TPA6130A2",
337         },
338 };
339
340 /* Audio card */
341 static struct snd_soc_card rx51_sound_card = {
342         .name = "RX-51",
343         .owner = THIS_MODULE,
344         .dai_link = rx51_dai,
345         .num_links = ARRAY_SIZE(rx51_dai),
346         .aux_dev = rx51_aux_dev,
347         .num_aux_devs = ARRAY_SIZE(rx51_aux_dev),
348         .codec_conf = rx51_codec_conf,
349         .num_configs = ARRAY_SIZE(rx51_codec_conf),
350         .fully_routed = true,
351
352         .controls = aic34_rx51_controls,
353         .num_controls = ARRAY_SIZE(aic34_rx51_controls),
354         .dapm_widgets = aic34_dapm_widgets,
355         .num_dapm_widgets = ARRAY_SIZE(aic34_dapm_widgets),
356         .dapm_routes = audio_map,
357         .num_dapm_routes = ARRAY_SIZE(audio_map),
358 };
359
360 static int rx51_soc_probe(struct platform_device *pdev)
361 {
362         struct rx51_audio_pdata *pdata;
363         struct device_node *np = pdev->dev.of_node;
364         struct snd_soc_card *card = &rx51_sound_card;
365         int err;
366
367         if (!machine_is_nokia_rx51() && !of_machine_is_compatible("nokia,omap3-n900"))
368                 return -ENODEV;
369
370         card->dev = &pdev->dev;
371
372         if (np) {
373                 struct device_node *dai_node;
374
375                 dai_node = of_parse_phandle(np, "nokia,cpu-dai", 0);
376                 if (!dai_node) {
377                         dev_err(&pdev->dev, "McBSP node is not provided\n");
378                         return -EINVAL;
379                 }
380                 rx51_dai[0].cpus->dai_name = NULL;
381                 rx51_dai[0].platforms->name = NULL;
382                 rx51_dai[0].cpus->of_node = dai_node;
383                 rx51_dai[0].platforms->of_node = dai_node;
384
385                 dai_node = of_parse_phandle(np, "nokia,audio-codec", 0);
386                 if (!dai_node) {
387                         dev_err(&pdev->dev, "Codec node is not provided\n");
388                         return -EINVAL;
389                 }
390                 rx51_dai[0].codecs->name = NULL;
391                 rx51_dai[0].codecs->of_node = dai_node;
392
393                 dai_node = of_parse_phandle(np, "nokia,audio-codec", 1);
394                 if (!dai_node) {
395                         dev_err(&pdev->dev, "Auxiliary Codec node is not provided\n");
396                         return -EINVAL;
397                 }
398                 rx51_aux_dev[0].dlc.name = NULL;
399                 rx51_aux_dev[0].dlc.of_node = dai_node;
400                 rx51_codec_conf[0].dlc.name = NULL;
401                 rx51_codec_conf[0].dlc.of_node = dai_node;
402
403                 dai_node = of_parse_phandle(np, "nokia,headphone-amplifier", 0);
404                 if (!dai_node) {
405                         dev_err(&pdev->dev, "Headphone amplifier node is not provided\n");
406                         return -EINVAL;
407                 }
408                 rx51_aux_dev[1].dlc.name = NULL;
409                 rx51_aux_dev[1].dlc.of_node = dai_node;
410                 rx51_codec_conf[1].dlc.name = NULL;
411                 rx51_codec_conf[1].dlc.of_node = dai_node;
412         }
413
414         pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
415         if (pdata == NULL)
416                 return -ENOMEM;
417
418         snd_soc_card_set_drvdata(card, pdata);
419
420         pdata->tvout_selection_gpio = devm_gpiod_get(card->dev,
421                                                      "tvout-selection",
422                                                      GPIOD_OUT_LOW);
423         if (IS_ERR(pdata->tvout_selection_gpio)) {
424                 dev_err(card->dev, "could not get tvout selection gpio\n");
425                 return PTR_ERR(pdata->tvout_selection_gpio);
426         }
427
428         pdata->jack_detection_gpio = devm_gpiod_get(card->dev,
429                                                     "jack-detection",
430                                                     GPIOD_ASIS);
431         if (IS_ERR(pdata->jack_detection_gpio)) {
432                 dev_err(card->dev, "could not get jack detection gpio\n");
433                 return PTR_ERR(pdata->jack_detection_gpio);
434         }
435
436         pdata->eci_sw_gpio = devm_gpiod_get(card->dev, "eci-switch",
437                                             GPIOD_OUT_HIGH);
438         if (IS_ERR(pdata->eci_sw_gpio)) {
439                 dev_err(card->dev, "could not get eci switch gpio\n");
440                 return PTR_ERR(pdata->eci_sw_gpio);
441         }
442
443         pdata->speaker_amp_gpio = devm_gpiod_get(card->dev,
444                                                  "speaker-amplifier",
445                                                  GPIOD_OUT_LOW);
446         if (IS_ERR(pdata->speaker_amp_gpio)) {
447                 dev_err(card->dev, "could not get speaker enable gpio\n");
448                 return PTR_ERR(pdata->speaker_amp_gpio);
449         }
450
451         err = devm_snd_soc_register_card(card->dev, card);
452         if (err) {
453                 dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", err);
454                 return err;
455         }
456
457         return 0;
458 }
459
460 #if defined(CONFIG_OF)
461 static const struct of_device_id rx51_audio_of_match[] = {
462         { .compatible = "nokia,n900-audio", },
463         {},
464 };
465 MODULE_DEVICE_TABLE(of, rx51_audio_of_match);
466 #endif
467
468 static struct platform_driver rx51_soc_driver = {
469         .driver = {
470                 .name = "rx51-audio",
471                 .of_match_table = of_match_ptr(rx51_audio_of_match),
472         },
473         .probe = rx51_soc_probe,
474 };
475
476 module_platform_driver(rx51_soc_driver);
477
478 MODULE_AUTHOR("Nokia Corporation");
479 MODULE_DESCRIPTION("ALSA SoC Nokia RX-51");
480 MODULE_LICENSE("GPL");
481 MODULE_ALIAS("platform:rx51-audio");