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26#include <linux/delay.h>
27#include <linux/gpio.h>
28#include <linux/platform_device.h>
29#include <linux/gpio/consumer.h>
30#include <linux/module.h>
31#include <sound/core.h>
32#include <sound/jack.h>
33#include <sound/pcm.h>
34#include <sound/soc.h>
35#include <linux/platform_data/asoc-ti-mcbsp.h>
36#include "../codecs/tpa6130a2.h"
37
38#include <asm/mach-types.h>
39
40#include "omap-mcbsp.h"
41
42enum {
43 RX51_JACK_DISABLED,
44 RX51_JACK_TVOUT,
45 RX51_JACK_HP,
46 RX51_JACK_HS,
47};
48
49struct rx51_audio_pdata {
50 struct gpio_desc *tvout_selection_gpio;
51 struct gpio_desc *jack_detection_gpio;
52 struct gpio_desc *eci_sw_gpio;
53 struct gpio_desc *speaker_amp_gpio;
54};
55
56static int rx51_spk_func;
57static int rx51_dmic_func;
58static int rx51_jack_func;
59
60static void rx51_ext_control(struct snd_soc_dapm_context *dapm)
61{
62 struct snd_soc_card *card = dapm->card;
63 struct rx51_audio_pdata *pdata = snd_soc_card_get_drvdata(card);
64 int hp = 0, hs = 0, tvout = 0;
65
66 switch (rx51_jack_func) {
67 case RX51_JACK_TVOUT:
68 tvout = 1;
69 hp = 1;
70 break;
71 case RX51_JACK_HS:
72 hs = 1;
73 case RX51_JACK_HP:
74 hp = 1;
75 break;
76 }
77
78 snd_soc_dapm_mutex_lock(dapm);
79
80 if (rx51_spk_func)
81 snd_soc_dapm_enable_pin_unlocked(dapm, "Ext Spk");
82 else
83 snd_soc_dapm_disable_pin_unlocked(dapm, "Ext Spk");
84 if (rx51_dmic_func)
85 snd_soc_dapm_enable_pin_unlocked(dapm, "DMic");
86 else
87 snd_soc_dapm_disable_pin_unlocked(dapm, "DMic");
88 if (hp)
89 snd_soc_dapm_enable_pin_unlocked(dapm, "Headphone Jack");
90 else
91 snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack");
92 if (hs)
93 snd_soc_dapm_enable_pin_unlocked(dapm, "HS Mic");
94 else
95 snd_soc_dapm_disable_pin_unlocked(dapm, "HS Mic");
96
97 gpiod_set_value(pdata->tvout_selection_gpio, tvout);
98
99 snd_soc_dapm_sync_unlocked(dapm);
100
101 snd_soc_dapm_mutex_unlock(dapm);
102}
103
104static int rx51_startup(struct snd_pcm_substream *substream)
105{
106 struct snd_pcm_runtime *runtime = substream->runtime;
107 struct snd_soc_pcm_runtime *rtd = substream->private_data;
108 struct snd_soc_card *card = rtd->card;
109
110 snd_pcm_hw_constraint_single(runtime, SNDRV_PCM_HW_PARAM_CHANNELS, 2);
111 rx51_ext_control(&card->dapm);
112
113 return 0;
114}
115
116static int rx51_hw_params(struct snd_pcm_substream *substream,
117 struct snd_pcm_hw_params *params)
118{
119 struct snd_soc_pcm_runtime *rtd = substream->private_data;
120 struct snd_soc_dai *codec_dai = rtd->codec_dai;
121
122
123 return snd_soc_dai_set_sysclk(codec_dai, 0, 19200000,
124 SND_SOC_CLOCK_IN);
125}
126
127static struct snd_soc_ops rx51_ops = {
128 .startup = rx51_startup,
129 .hw_params = rx51_hw_params,
130};
131
132static int rx51_get_spk(struct snd_kcontrol *kcontrol,
133 struct snd_ctl_elem_value *ucontrol)
134{
135 ucontrol->value.enumerated.item[0] = rx51_spk_func;
136
137 return 0;
138}
139
140static int rx51_set_spk(struct snd_kcontrol *kcontrol,
141 struct snd_ctl_elem_value *ucontrol)
142{
143 struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
144
145 if (rx51_spk_func == ucontrol->value.enumerated.item[0])
146 return 0;
147
148 rx51_spk_func = ucontrol->value.enumerated.item[0];
149 rx51_ext_control(&card->dapm);
150
151 return 1;
152}
153
154static int rx51_spk_event(struct snd_soc_dapm_widget *w,
155 struct snd_kcontrol *k, int event)
156{
157 struct snd_soc_dapm_context *dapm = w->dapm;
158 struct snd_soc_card *card = dapm->card;
159 struct rx51_audio_pdata *pdata = snd_soc_card_get_drvdata(card);
160
161 gpiod_set_raw_value_cansleep(pdata->speaker_amp_gpio,
162 !!SND_SOC_DAPM_EVENT_ON(event));
163
164 return 0;
165}
166
167static int rx51_hp_event(struct snd_soc_dapm_widget *w,
168 struct snd_kcontrol *k, int event)
169{
170 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
171
172 if (SND_SOC_DAPM_EVENT_ON(event))
173 tpa6130a2_stereo_enable(codec, 1);
174 else
175 tpa6130a2_stereo_enable(codec, 0);
176
177 return 0;
178}
179
180static int rx51_get_input(struct snd_kcontrol *kcontrol,
181 struct snd_ctl_elem_value *ucontrol)
182{
183 ucontrol->value.enumerated.item[0] = rx51_dmic_func;
184
185 return 0;
186}
187
188static int rx51_set_input(struct snd_kcontrol *kcontrol,
189 struct snd_ctl_elem_value *ucontrol)
190{
191 struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
192
193 if (rx51_dmic_func == ucontrol->value.enumerated.item[0])
194 return 0;
195
196 rx51_dmic_func = ucontrol->value.enumerated.item[0];
197 rx51_ext_control(&card->dapm);
198
199 return 1;
200}
201
202static int rx51_get_jack(struct snd_kcontrol *kcontrol,
203 struct snd_ctl_elem_value *ucontrol)
204{
205 ucontrol->value.enumerated.item[0] = rx51_jack_func;
206
207 return 0;
208}
209
210static int rx51_set_jack(struct snd_kcontrol *kcontrol,
211 struct snd_ctl_elem_value *ucontrol)
212{
213 struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
214
215 if (rx51_jack_func == ucontrol->value.enumerated.item[0])
216 return 0;
217
218 rx51_jack_func = ucontrol->value.enumerated.item[0];
219 rx51_ext_control(&card->dapm);
220
221 return 1;
222}
223
224static struct snd_soc_jack rx51_av_jack;
225
226static struct snd_soc_jack_gpio rx51_av_jack_gpios[] = {
227 {
228 .name = "avdet-gpio",
229 .report = SND_JACK_HEADSET,
230 .invert = 1,
231 .debounce_time = 200,
232 },
233};
234
235static const struct snd_soc_dapm_widget aic34_dapm_widgets[] = {
236 SND_SOC_DAPM_SPK("Ext Spk", rx51_spk_event),
237 SND_SOC_DAPM_MIC("DMic", NULL),
238 SND_SOC_DAPM_HP("Headphone Jack", rx51_hp_event),
239 SND_SOC_DAPM_MIC("HS Mic", NULL),
240 SND_SOC_DAPM_LINE("FM Transmitter", NULL),
241 SND_SOC_DAPM_SPK("Earphone", NULL),
242};
243
244static const struct snd_soc_dapm_route audio_map[] = {
245 {"Ext Spk", NULL, "HPLOUT"},
246 {"Ext Spk", NULL, "HPROUT"},
247 {"Ext Spk", NULL, "HPLCOM"},
248 {"Ext Spk", NULL, "HPRCOM"},
249 {"Headphone Jack", NULL, "LLOUT"},
250 {"Headphone Jack", NULL, "RLOUT"},
251 {"FM Transmitter", NULL, "LLOUT"},
252 {"FM Transmitter", NULL, "RLOUT"},
253
254 {"DMic Rate 64", NULL, "DMic"},
255 {"DMic", NULL, "Mic Bias"},
256
257 {"b LINE2R", NULL, "MONO_LOUT"},
258 {"Earphone", NULL, "b HPLOUT"},
259
260 {"LINE1L", NULL, "HS Mic"},
261 {"HS Mic", NULL, "b Mic Bias"},
262};
263
264static const char * const spk_function[] = {"Off", "On"};
265static const char * const input_function[] = {"ADC", "Digital Mic"};
266static const char * const jack_function[] = {
267 "Off", "TV-OUT", "Headphone", "Headset"
268};
269
270static const struct soc_enum rx51_enum[] = {
271 SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(spk_function), spk_function),
272 SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(input_function), input_function),
273 SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(jack_function), jack_function),
274};
275
276static const struct snd_kcontrol_new aic34_rx51_controls[] = {
277 SOC_ENUM_EXT("Speaker Function", rx51_enum[0],
278 rx51_get_spk, rx51_set_spk),
279 SOC_ENUM_EXT("Input Select", rx51_enum[1],
280 rx51_get_input, rx51_set_input),
281 SOC_ENUM_EXT("Jack Function", rx51_enum[2],
282 rx51_get_jack, rx51_set_jack),
283 SOC_DAPM_PIN_SWITCH("FM Transmitter"),
284 SOC_DAPM_PIN_SWITCH("Earphone"),
285};
286
287static int rx51_aic34_init(struct snd_soc_pcm_runtime *rtd)
288{
289 struct snd_soc_codec *codec = rtd->codec;
290 struct snd_soc_card *card = rtd->card;
291 struct rx51_audio_pdata *pdata = snd_soc_card_get_drvdata(card);
292 int err;
293
294 err = tpa6130a2_add_controls(codec);
295 if (err < 0) {
296 dev_err(card->dev, "Failed to add TPA6130A2 controls\n");
297 return err;
298 }
299 snd_soc_limit_volume(card, "TPA6130A2 Headphone Playback Volume", 42);
300
301 err = omap_mcbsp_st_add_controls(rtd, 2);
302 if (err < 0) {
303 dev_err(card->dev, "Failed to add MCBSP controls\n");
304 return err;
305 }
306
307
308 err = snd_soc_card_jack_new(rtd->card, "AV Jack",
309 SND_JACK_HEADSET | SND_JACK_VIDEOOUT,
310 &rx51_av_jack, NULL, 0);
311 if (err) {
312 dev_err(card->dev, "Failed to add AV Jack\n");
313 return err;
314 }
315
316
317 rx51_av_jack_gpios[0].gpio = desc_to_gpio(pdata->jack_detection_gpio);
318 devm_gpiod_put(card->dev, pdata->jack_detection_gpio);
319
320 err = snd_soc_jack_add_gpios(&rx51_av_jack,
321 ARRAY_SIZE(rx51_av_jack_gpios),
322 rx51_av_jack_gpios);
323 if (err) {
324 dev_err(card->dev, "Failed to add GPIOs\n");
325 return err;
326 }
327
328 return err;
329}
330
331static int rx51_card_remove(struct snd_soc_card *card)
332{
333 snd_soc_jack_free_gpios(&rx51_av_jack, ARRAY_SIZE(rx51_av_jack_gpios),
334 rx51_av_jack_gpios);
335
336 return 0;
337}
338
339
340static struct snd_soc_dai_link rx51_dai[] = {
341 {
342 .name = "TLV320AIC34",
343 .stream_name = "AIC34",
344 .cpu_dai_name = "omap-mcbsp.2",
345 .codec_dai_name = "tlv320aic3x-hifi",
346 .platform_name = "omap-mcbsp.2",
347 .codec_name = "tlv320aic3x-codec.2-0018",
348 .dai_fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_IB_NF |
349 SND_SOC_DAIFMT_CBM_CFM,
350 .init = rx51_aic34_init,
351 .ops = &rx51_ops,
352 },
353};
354
355static struct snd_soc_aux_dev rx51_aux_dev[] = {
356 {
357 .name = "TLV320AIC34b",
358 .codec_name = "tlv320aic3x-codec.2-0019",
359 },
360};
361
362static struct snd_soc_codec_conf rx51_codec_conf[] = {
363 {
364 .dev_name = "tlv320aic3x-codec.2-0019",
365 .name_prefix = "b",
366 },
367};
368
369
370static struct snd_soc_card rx51_sound_card = {
371 .name = "RX-51",
372 .owner = THIS_MODULE,
373 .remove = rx51_card_remove,
374 .dai_link = rx51_dai,
375 .num_links = ARRAY_SIZE(rx51_dai),
376 .aux_dev = rx51_aux_dev,
377 .num_aux_devs = ARRAY_SIZE(rx51_aux_dev),
378 .codec_conf = rx51_codec_conf,
379 .num_configs = ARRAY_SIZE(rx51_codec_conf),
380 .fully_routed = true,
381
382 .controls = aic34_rx51_controls,
383 .num_controls = ARRAY_SIZE(aic34_rx51_controls),
384 .dapm_widgets = aic34_dapm_widgets,
385 .num_dapm_widgets = ARRAY_SIZE(aic34_dapm_widgets),
386 .dapm_routes = audio_map,
387 .num_dapm_routes = ARRAY_SIZE(audio_map),
388};
389
390static int rx51_soc_probe(struct platform_device *pdev)
391{
392 struct rx51_audio_pdata *pdata;
393 struct device_node *np = pdev->dev.of_node;
394 struct snd_soc_card *card = &rx51_sound_card;
395 int err;
396
397 if (!machine_is_nokia_rx51() && !of_machine_is_compatible("nokia,omap3-n900"))
398 return -ENODEV;
399
400 card->dev = &pdev->dev;
401
402 if (np) {
403 struct device_node *dai_node;
404
405 dai_node = of_parse_phandle(np, "nokia,cpu-dai", 0);
406 if (!dai_node) {
407 dev_err(&pdev->dev, "McBSP node is not provided\n");
408 return -EINVAL;
409 }
410 rx51_dai[0].cpu_dai_name = NULL;
411 rx51_dai[0].platform_name = NULL;
412 rx51_dai[0].cpu_of_node = dai_node;
413 rx51_dai[0].platform_of_node = dai_node;
414
415 dai_node = of_parse_phandle(np, "nokia,audio-codec", 0);
416 if (!dai_node) {
417 dev_err(&pdev->dev, "Codec node is not provided\n");
418 return -EINVAL;
419 }
420 rx51_dai[0].codec_name = NULL;
421 rx51_dai[0].codec_of_node = dai_node;
422
423 dai_node = of_parse_phandle(np, "nokia,audio-codec", 1);
424 if (!dai_node) {
425 dev_err(&pdev->dev, "Auxiliary Codec node is not provided\n");
426 return -EINVAL;
427 }
428 rx51_aux_dev[0].codec_name = NULL;
429 rx51_aux_dev[0].codec_of_node = dai_node;
430 rx51_codec_conf[0].dev_name = NULL;
431 rx51_codec_conf[0].of_node = dai_node;
432
433 dai_node = of_parse_phandle(np, "nokia,headphone-amplifier", 0);
434 if (!dai_node) {
435 dev_err(&pdev->dev, "Headphone amplifier node is not provided\n");
436 return -EINVAL;
437 }
438
439
440
441
442
443 }
444
445 pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
446 if (pdata == NULL) {
447 dev_err(card->dev, "failed to create private data\n");
448 return -ENOMEM;
449 }
450 snd_soc_card_set_drvdata(card, pdata);
451
452 pdata->tvout_selection_gpio = devm_gpiod_get(card->dev,
453 "tvout-selection",
454 GPIOD_OUT_LOW);
455 if (IS_ERR(pdata->tvout_selection_gpio)) {
456 dev_err(card->dev, "could not get tvout selection gpio\n");
457 return PTR_ERR(pdata->tvout_selection_gpio);
458 }
459
460 pdata->jack_detection_gpio = devm_gpiod_get(card->dev,
461 "jack-detection",
462 GPIOD_ASIS);
463 if (IS_ERR(pdata->jack_detection_gpio)) {
464 dev_err(card->dev, "could not get jack detection gpio\n");
465 return PTR_ERR(pdata->jack_detection_gpio);
466 }
467
468 pdata->eci_sw_gpio = devm_gpiod_get(card->dev, "eci-switch",
469 GPIOD_OUT_HIGH);
470 if (IS_ERR(pdata->eci_sw_gpio)) {
471 dev_err(card->dev, "could not get eci switch gpio\n");
472 return PTR_ERR(pdata->eci_sw_gpio);
473 }
474
475 pdata->speaker_amp_gpio = devm_gpiod_get(card->dev,
476 "speaker-amplifier",
477 GPIOD_OUT_LOW);
478 if (IS_ERR(pdata->speaker_amp_gpio)) {
479 dev_err(card->dev, "could not get speaker enable gpio\n");
480 return PTR_ERR(pdata->speaker_amp_gpio);
481 }
482
483 err = devm_snd_soc_register_card(card->dev, card);
484 if (err) {
485 dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", err);
486 return err;
487 }
488
489 return 0;
490}
491
492#if defined(CONFIG_OF)
493static const struct of_device_id rx51_audio_of_match[] = {
494 { .compatible = "nokia,n900-audio", },
495 {},
496};
497MODULE_DEVICE_TABLE(of, rx51_audio_of_match);
498#endif
499
500static struct platform_driver rx51_soc_driver = {
501 .driver = {
502 .name = "rx51-audio",
503 .of_match_table = of_match_ptr(rx51_audio_of_match),
504 },
505 .probe = rx51_soc_probe,
506};
507
508module_platform_driver(rx51_soc_driver);
509
510MODULE_AUTHOR("Nokia Corporation");
511MODULE_DESCRIPTION("ALSA SoC Nokia RX-51");
512MODULE_LICENSE("GPL");
513MODULE_ALIAS("platform:rx51-audio");
514
