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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_minmax(runtime,
111 SNDRV_PCM_HW_PARAM_CHANNELS, 2, 2);
112 rx51_ext_control(&card->dapm);
113
114 return 0;
115}
116
117static int rx51_hw_params(struct snd_pcm_substream *substream,
118 struct snd_pcm_hw_params *params)
119{
120 struct snd_soc_pcm_runtime *rtd = substream->private_data;
121 struct snd_soc_dai *codec_dai = rtd->codec_dai;
122
123
124 return snd_soc_dai_set_sysclk(codec_dai, 0, 19200000,
125 SND_SOC_CLOCK_IN);
126}
127
128static struct snd_soc_ops rx51_ops = {
129 .startup = rx51_startup,
130 .hw_params = rx51_hw_params,
131};
132
133static int rx51_get_spk(struct snd_kcontrol *kcontrol,
134 struct snd_ctl_elem_value *ucontrol)
135{
136 ucontrol->value.integer.value[0] = rx51_spk_func;
137
138 return 0;
139}
140
141static int rx51_set_spk(struct snd_kcontrol *kcontrol,
142 struct snd_ctl_elem_value *ucontrol)
143{
144 struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
145
146 if (rx51_spk_func == ucontrol->value.integer.value[0])
147 return 0;
148
149 rx51_spk_func = ucontrol->value.integer.value[0];
150 rx51_ext_control(&card->dapm);
151
152 return 1;
153}
154
155static int rx51_spk_event(struct snd_soc_dapm_widget *w,
156 struct snd_kcontrol *k, int event)
157{
158 struct snd_soc_dapm_context *dapm = w->dapm;
159 struct snd_soc_card *card = dapm->card;
160 struct rx51_audio_pdata *pdata = snd_soc_card_get_drvdata(card);
161
162 gpiod_set_raw_value_cansleep(pdata->speaker_amp_gpio,
163 !!SND_SOC_DAPM_EVENT_ON(event));
164
165 return 0;
166}
167
168static int rx51_hp_event(struct snd_soc_dapm_widget *w,
169 struct snd_kcontrol *k, int event)
170{
171 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
172
173 if (SND_SOC_DAPM_EVENT_ON(event))
174 tpa6130a2_stereo_enable(codec, 1);
175 else
176 tpa6130a2_stereo_enable(codec, 0);
177
178 return 0;
179}
180
181static int rx51_get_input(struct snd_kcontrol *kcontrol,
182 struct snd_ctl_elem_value *ucontrol)
183{
184 ucontrol->value.integer.value[0] = rx51_dmic_func;
185
186 return 0;
187}
188
189static int rx51_set_input(struct snd_kcontrol *kcontrol,
190 struct snd_ctl_elem_value *ucontrol)
191{
192 struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
193
194 if (rx51_dmic_func == ucontrol->value.integer.value[0])
195 return 0;
196
197 rx51_dmic_func = ucontrol->value.integer.value[0];
198 rx51_ext_control(&card->dapm);
199
200 return 1;
201}
202
203static int rx51_get_jack(struct snd_kcontrol *kcontrol,
204 struct snd_ctl_elem_value *ucontrol)
205{
206 ucontrol->value.integer.value[0] = rx51_jack_func;
207
208 return 0;
209}
210
211static int rx51_set_jack(struct snd_kcontrol *kcontrol,
212 struct snd_ctl_elem_value *ucontrol)
213{
214 struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
215
216 if (rx51_jack_func == ucontrol->value.integer.value[0])
217 return 0;
218
219 rx51_jack_func = ucontrol->value.integer.value[0];
220 rx51_ext_control(&card->dapm);
221
222 return 1;
223}
224
225static struct snd_soc_jack rx51_av_jack;
226
227static struct snd_soc_jack_gpio rx51_av_jack_gpios[] = {
228 {
229 .name = "avdet-gpio",
230 .report = SND_JACK_HEADSET,
231 .invert = 1,
232 .debounce_time = 200,
233 },
234};
235
236static const struct snd_soc_dapm_widget aic34_dapm_widgets[] = {
237 SND_SOC_DAPM_SPK("Ext Spk", rx51_spk_event),
238 SND_SOC_DAPM_MIC("DMic", NULL),
239 SND_SOC_DAPM_HP("Headphone Jack", rx51_hp_event),
240 SND_SOC_DAPM_MIC("HS Mic", NULL),
241 SND_SOC_DAPM_LINE("FM Transmitter", NULL),
242 SND_SOC_DAPM_SPK("Earphone", NULL),
243};
244
245static const struct snd_soc_dapm_route audio_map[] = {
246 {"Ext Spk", NULL, "HPLOUT"},
247 {"Ext Spk", NULL, "HPROUT"},
248 {"Headphone Jack", NULL, "LLOUT"},
249 {"Headphone Jack", NULL, "RLOUT"},
250 {"FM Transmitter", NULL, "LLOUT"},
251 {"FM Transmitter", NULL, "RLOUT"},
252
253 {"DMic Rate 64", NULL, "DMic"},
254 {"DMic", NULL, "Mic Bias"},
255
256 {"b LINE2R", NULL, "MONO_LOUT"},
257 {"Earphone", NULL, "b HPLOUT"},
258
259 {"LINE1L", NULL, "HS Mic"},
260 {"HS Mic", NULL, "b Mic Bias"},
261};
262
263static const char * const spk_function[] = {"Off", "On"};
264static const char * const input_function[] = {"ADC", "Digital Mic"};
265static const char * const jack_function[] = {
266 "Off", "TV-OUT", "Headphone", "Headset"
267};
268
269static const struct soc_enum rx51_enum[] = {
270 SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(spk_function), spk_function),
271 SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(input_function), input_function),
272 SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(jack_function), jack_function),
273};
274
275static const struct snd_kcontrol_new aic34_rx51_controls[] = {
276 SOC_ENUM_EXT("Speaker Function", rx51_enum[0],
277 rx51_get_spk, rx51_set_spk),
278 SOC_ENUM_EXT("Input Select", rx51_enum[1],
279 rx51_get_input, rx51_set_input),
280 SOC_ENUM_EXT("Jack Function", rx51_enum[2],
281 rx51_get_jack, rx51_set_jack),
282 SOC_DAPM_PIN_SWITCH("FM Transmitter"),
283 SOC_DAPM_PIN_SWITCH("Earphone"),
284};
285
286static int rx51_aic34_init(struct snd_soc_pcm_runtime *rtd)
287{
288 struct snd_soc_codec *codec = rtd->codec;
289 struct snd_soc_card *card = rtd->card;
290 struct rx51_audio_pdata *pdata = snd_soc_card_get_drvdata(card);
291
292 struct snd_soc_dapm_context *dapm = &codec->dapm;
293 int err;
294
295
296 snd_soc_dapm_nc_pin(dapm, "MIC3L");
297 snd_soc_dapm_nc_pin(dapm, "MIC3R");
298 snd_soc_dapm_nc_pin(dapm, "LINE1R");
299
300 err = tpa6130a2_add_controls(codec);
301 if (err < 0) {
302 dev_err(card->dev, "Failed to add TPA6130A2 controls\n");
303 return err;
304 }
305 snd_soc_limit_volume(codec, "TPA6130A2 Headphone Playback Volume", 42);
306
307 err = omap_mcbsp_st_add_controls(rtd, 2);
308 if (err < 0) {
309 dev_err(card->dev, "Failed to add MCBSP controls\n");
310 return err;
311 }
312
313
314 err = snd_soc_card_jack_new(rtd->card, "AV Jack",
315 SND_JACK_HEADSET | SND_JACK_VIDEOOUT,
316 &rx51_av_jack, NULL, 0);
317 if (err) {
318 dev_err(card->dev, "Failed to add AV Jack\n");
319 return err;
320 }
321
322
323 rx51_av_jack_gpios[0].gpio = desc_to_gpio(pdata->jack_detection_gpio);
324 devm_gpiod_put(card->dev, pdata->jack_detection_gpio);
325
326 err = snd_soc_jack_add_gpios(&rx51_av_jack,
327 ARRAY_SIZE(rx51_av_jack_gpios),
328 rx51_av_jack_gpios);
329 if (err) {
330 dev_err(card->dev, "Failed to add GPIOs\n");
331 return err;
332 }
333
334 return err;
335}
336
337static int rx51_card_remove(struct snd_soc_card *card)
338{
339 snd_soc_jack_free_gpios(&rx51_av_jack, ARRAY_SIZE(rx51_av_jack_gpios),
340 rx51_av_jack_gpios);
341
342 return 0;
343}
344
345
346static struct snd_soc_dai_link rx51_dai[] = {
347 {
348 .name = "TLV320AIC34",
349 .stream_name = "AIC34",
350 .cpu_dai_name = "omap-mcbsp.2",
351 .codec_dai_name = "tlv320aic3x-hifi",
352 .platform_name = "omap-mcbsp.2",
353 .codec_name = "tlv320aic3x-codec.2-0018",
354 .dai_fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_IB_NF |
355 SND_SOC_DAIFMT_CBM_CFM,
356 .init = rx51_aic34_init,
357 .ops = &rx51_ops,
358 },
359};
360
361static struct snd_soc_aux_dev rx51_aux_dev[] = {
362 {
363 .name = "TLV320AIC34b",
364 .codec_name = "tlv320aic3x-codec.2-0019",
365 },
366};
367
368static struct snd_soc_codec_conf rx51_codec_conf[] = {
369 {
370 .dev_name = "tlv320aic3x-codec.2-0019",
371 .name_prefix = "b",
372 },
373};
374
375
376static struct snd_soc_card rx51_sound_card = {
377 .name = "RX-51",
378 .owner = THIS_MODULE,
379 .remove = rx51_card_remove,
380 .dai_link = rx51_dai,
381 .num_links = ARRAY_SIZE(rx51_dai),
382 .aux_dev = rx51_aux_dev,
383 .num_aux_devs = ARRAY_SIZE(rx51_aux_dev),
384 .codec_conf = rx51_codec_conf,
385 .num_configs = ARRAY_SIZE(rx51_codec_conf),
386
387 .controls = aic34_rx51_controls,
388 .num_controls = ARRAY_SIZE(aic34_rx51_controls),
389 .dapm_widgets = aic34_dapm_widgets,
390 .num_dapm_widgets = ARRAY_SIZE(aic34_dapm_widgets),
391 .dapm_routes = audio_map,
392 .num_dapm_routes = ARRAY_SIZE(audio_map),
393};
394
395static int rx51_soc_probe(struct platform_device *pdev)
396{
397 struct rx51_audio_pdata *pdata;
398 struct device_node *np = pdev->dev.of_node;
399 struct snd_soc_card *card = &rx51_sound_card;
400 int err;
401
402 if (!machine_is_nokia_rx51() && !of_machine_is_compatible("nokia,omap3-n900"))
403 return -ENODEV;
404
405 card->dev = &pdev->dev;
406
407 if (np) {
408 struct device_node *dai_node;
409
410 dai_node = of_parse_phandle(np, "nokia,cpu-dai", 0);
411 if (!dai_node) {
412 dev_err(&pdev->dev, "McBSP node is not provided\n");
413 return -EINVAL;
414 }
415 rx51_dai[0].cpu_dai_name = NULL;
416 rx51_dai[0].platform_name = NULL;
417 rx51_dai[0].cpu_of_node = dai_node;
418 rx51_dai[0].platform_of_node = dai_node;
419
420 dai_node = of_parse_phandle(np, "nokia,audio-codec", 0);
421 if (!dai_node) {
422 dev_err(&pdev->dev, "Codec node is not provided\n");
423 return -EINVAL;
424 }
425 rx51_dai[0].codec_name = NULL;
426 rx51_dai[0].codec_of_node = dai_node;
427
428 dai_node = of_parse_phandle(np, "nokia,audio-codec", 1);
429 if (!dai_node) {
430 dev_err(&pdev->dev, "Auxiliary Codec node is not provided\n");
431 return -EINVAL;
432 }
433 rx51_aux_dev[0].codec_name = NULL;
434 rx51_aux_dev[0].codec_of_node = dai_node;
435 rx51_codec_conf[0].dev_name = NULL;
436 rx51_codec_conf[0].of_node = dai_node;
437
438 dai_node = of_parse_phandle(np, "nokia,headphone-amplifier", 0);
439 if (!dai_node) {
440 dev_err(&pdev->dev, "Headphone amplifier node is not provided\n");
441 return -EINVAL;
442 }
443
444
445
446
447
448 }
449
450 pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
451 if (pdata == NULL) {
452 dev_err(card->dev, "failed to create private data\n");
453 return -ENOMEM;
454 }
455 snd_soc_card_set_drvdata(card, pdata);
456
457 pdata->tvout_selection_gpio = devm_gpiod_get(card->dev,
458 "tvout-selection");
459 if (IS_ERR(pdata->tvout_selection_gpio)) {
460 dev_err(card->dev, "could not get tvout selection gpio\n");
461 return PTR_ERR(pdata->tvout_selection_gpio);
462 }
463
464 err = gpiod_direction_output(pdata->tvout_selection_gpio, 0);
465 if (err) {
466 dev_err(card->dev, "could not setup tvout selection gpio\n");
467 return err;
468 }
469
470 pdata->jack_detection_gpio = devm_gpiod_get(card->dev,
471 "jack-detection");
472 if (IS_ERR(pdata->jack_detection_gpio)) {
473 dev_err(card->dev, "could not get jack detection gpio\n");
474 return PTR_ERR(pdata->jack_detection_gpio);
475 }
476
477 pdata->eci_sw_gpio = devm_gpiod_get(card->dev, "eci-switch");
478 if (IS_ERR(pdata->eci_sw_gpio)) {
479 dev_err(card->dev, "could not get eci switch gpio\n");
480 return PTR_ERR(pdata->eci_sw_gpio);
481 }
482
483 err = gpiod_direction_output(pdata->eci_sw_gpio, 1);
484 if (err) {
485 dev_err(card->dev, "could not setup eci switch gpio\n");
486 return err;
487 }
488
489 pdata->speaker_amp_gpio = devm_gpiod_get(card->dev,
490 "speaker-amplifier");
491 if (IS_ERR(pdata->speaker_amp_gpio)) {
492 dev_err(card->dev, "could not get speaker enable gpio\n");
493 return PTR_ERR(pdata->speaker_amp_gpio);
494 }
495
496 err = gpiod_direction_output(pdata->speaker_amp_gpio, 0);
497 if (err) {
498 dev_err(card->dev, "could not setup speaker enable gpio\n");
499 return err;
500 }
501
502 err = devm_snd_soc_register_card(card->dev, card);
503 if (err) {
504 dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", err);
505 return err;
506 }
507
508 return 0;
509}
510
511#if defined(CONFIG_OF)
512static const struct of_device_id rx51_audio_of_match[] = {
513 { .compatible = "nokia,n900-audio", },
514 {},
515};
516MODULE_DEVICE_TABLE(of, rx51_audio_of_match);
517#endif
518
519static struct platform_driver rx51_soc_driver = {
520 .driver = {
521 .name = "rx51-audio",
522 .of_match_table = of_match_ptr(rx51_audio_of_match),
523 },
524 .probe = rx51_soc_probe,
525};
526
527module_platform_driver(rx51_soc_driver);
528
529MODULE_AUTHOR("Nokia Corporation");
530MODULE_DESCRIPTION("ALSA SoC Nokia RX-51");
531MODULE_LICENSE("GPL");
532MODULE_ALIAS("platform:rx51-audio");
533
