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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
37#include <asm/mach-types.h>
38
39#include "omap-mcbsp.h"
40
41enum {
42 RX51_JACK_DISABLED,
43 RX51_JACK_TVOUT,
44 RX51_JACK_HP,
45 RX51_JACK_HS,
46};
47
48struct rx51_audio_pdata {
49 struct gpio_desc *tvout_selection_gpio;
50 struct gpio_desc *jack_detection_gpio;
51 struct gpio_desc *eci_sw_gpio;
52 struct gpio_desc *speaker_amp_gpio;
53};
54
55static int rx51_spk_func;
56static int rx51_dmic_func;
57static int rx51_jack_func;
58
59static void rx51_ext_control(struct snd_soc_dapm_context *dapm)
60{
61 struct snd_soc_card *card = dapm->card;
62 struct rx51_audio_pdata *pdata = snd_soc_card_get_drvdata(card);
63 int hp = 0, hs = 0, tvout = 0;
64
65 switch (rx51_jack_func) {
66 case RX51_JACK_TVOUT:
67 tvout = 1;
68 hp = 1;
69 break;
70 case RX51_JACK_HS:
71 hs = 1;
72 case RX51_JACK_HP:
73 hp = 1;
74 break;
75 }
76
77 snd_soc_dapm_mutex_lock(dapm);
78
79 if (rx51_spk_func)
80 snd_soc_dapm_enable_pin_unlocked(dapm, "Ext Spk");
81 else
82 snd_soc_dapm_disable_pin_unlocked(dapm, "Ext Spk");
83 if (rx51_dmic_func)
84 snd_soc_dapm_enable_pin_unlocked(dapm, "DMic");
85 else
86 snd_soc_dapm_disable_pin_unlocked(dapm, "DMic");
87 if (hp)
88 snd_soc_dapm_enable_pin_unlocked(dapm, "Headphone Jack");
89 else
90 snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack");
91 if (hs)
92 snd_soc_dapm_enable_pin_unlocked(dapm, "HS Mic");
93 else
94 snd_soc_dapm_disable_pin_unlocked(dapm, "HS Mic");
95
96 gpiod_set_value(pdata->tvout_selection_gpio, tvout);
97
98 snd_soc_dapm_sync_unlocked(dapm);
99
100 snd_soc_dapm_mutex_unlock(dapm);
101}
102
103static int rx51_startup(struct snd_pcm_substream *substream)
104{
105 struct snd_pcm_runtime *runtime = substream->runtime;
106 struct snd_soc_pcm_runtime *rtd = substream->private_data;
107 struct snd_soc_card *card = rtd->card;
108
109 snd_pcm_hw_constraint_single(runtime, SNDRV_PCM_HW_PARAM_CHANNELS, 2);
110 rx51_ext_control(&card->dapm);
111
112 return 0;
113}
114
115static int rx51_hw_params(struct snd_pcm_substream *substream,
116 struct snd_pcm_hw_params *params)
117{
118 struct snd_soc_pcm_runtime *rtd = substream->private_data;
119 struct snd_soc_dai *codec_dai = rtd->codec_dai;
120
121
122 return snd_soc_dai_set_sysclk(codec_dai, 0, 19200000,
123 SND_SOC_CLOCK_IN);
124}
125
126static const struct snd_soc_ops rx51_ops = {
127 .startup = rx51_startup,
128 .hw_params = rx51_hw_params,
129};
130
131static int rx51_get_spk(struct snd_kcontrol *kcontrol,
132 struct snd_ctl_elem_value *ucontrol)
133{
134 ucontrol->value.enumerated.item[0] = rx51_spk_func;
135
136 return 0;
137}
138
139static int rx51_set_spk(struct snd_kcontrol *kcontrol,
140 struct snd_ctl_elem_value *ucontrol)
141{
142 struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
143
144 if (rx51_spk_func == ucontrol->value.enumerated.item[0])
145 return 0;
146
147 rx51_spk_func = ucontrol->value.enumerated.item[0];
148 rx51_ext_control(&card->dapm);
149
150 return 1;
151}
152
153static int rx51_spk_event(struct snd_soc_dapm_widget *w,
154 struct snd_kcontrol *k, int event)
155{
156 struct snd_soc_dapm_context *dapm = w->dapm;
157 struct snd_soc_card *card = dapm->card;
158 struct rx51_audio_pdata *pdata = snd_soc_card_get_drvdata(card);
159
160 gpiod_set_raw_value_cansleep(pdata->speaker_amp_gpio,
161 !!SND_SOC_DAPM_EVENT_ON(event));
162
163 return 0;
164}
165
166static int rx51_get_input(struct snd_kcontrol *kcontrol,
167 struct snd_ctl_elem_value *ucontrol)
168{
169 ucontrol->value.enumerated.item[0] = rx51_dmic_func;
170
171 return 0;
172}
173
174static int rx51_set_input(struct snd_kcontrol *kcontrol,
175 struct snd_ctl_elem_value *ucontrol)
176{
177 struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
178
179 if (rx51_dmic_func == ucontrol->value.enumerated.item[0])
180 return 0;
181
182 rx51_dmic_func = ucontrol->value.enumerated.item[0];
183 rx51_ext_control(&card->dapm);
184
185 return 1;
186}
187
188static int rx51_get_jack(struct snd_kcontrol *kcontrol,
189 struct snd_ctl_elem_value *ucontrol)
190{
191 ucontrol->value.enumerated.item[0] = rx51_jack_func;
192
193 return 0;
194}
195
196static int rx51_set_jack(struct snd_kcontrol *kcontrol,
197 struct snd_ctl_elem_value *ucontrol)
198{
199 struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
200
201 if (rx51_jack_func == ucontrol->value.enumerated.item[0])
202 return 0;
203
204 rx51_jack_func = ucontrol->value.enumerated.item[0];
205 rx51_ext_control(&card->dapm);
206
207 return 1;
208}
209
210static struct snd_soc_jack rx51_av_jack;
211
212static struct snd_soc_jack_gpio rx51_av_jack_gpios[] = {
213 {
214 .name = "avdet-gpio",
215 .report = SND_JACK_HEADSET,
216 .invert = 1,
217 .debounce_time = 200,
218 },
219};
220
221static const struct snd_soc_dapm_widget aic34_dapm_widgets[] = {
222 SND_SOC_DAPM_SPK("Ext Spk", rx51_spk_event),
223 SND_SOC_DAPM_MIC("DMic", NULL),
224 SND_SOC_DAPM_HP("Headphone Jack", NULL),
225 SND_SOC_DAPM_MIC("HS Mic", NULL),
226 SND_SOC_DAPM_LINE("FM Transmitter", NULL),
227 SND_SOC_DAPM_SPK("Earphone", NULL),
228};
229
230static const struct snd_soc_dapm_route audio_map[] = {
231 {"Ext Spk", NULL, "HPLOUT"},
232 {"Ext Spk", NULL, "HPROUT"},
233 {"Ext Spk", NULL, "HPLCOM"},
234 {"Ext Spk", NULL, "HPRCOM"},
235 {"FM Transmitter", NULL, "LLOUT"},
236 {"FM Transmitter", NULL, "RLOUT"},
237
238 {"Headphone Jack", NULL, "TPA6130A2 HPLEFT"},
239 {"Headphone Jack", NULL, "TPA6130A2 HPRIGHT"},
240 {"TPA6130A2 LEFTIN", NULL, "LLOUT"},
241 {"TPA6130A2 RIGHTIN", NULL, "RLOUT"},
242
243 {"DMic Rate 64", NULL, "DMic"},
244 {"DMic", NULL, "Mic Bias"},
245
246 {"b LINE2R", NULL, "MONO_LOUT"},
247 {"Earphone", NULL, "b HPLOUT"},
248
249 {"LINE1L", NULL, "HS Mic"},
250 {"HS Mic", NULL, "b Mic Bias"},
251};
252
253static const char * const spk_function[] = {"Off", "On"};
254static const char * const input_function[] = {"ADC", "Digital Mic"};
255static const char * const jack_function[] = {
256 "Off", "TV-OUT", "Headphone", "Headset"
257};
258
259static const struct soc_enum rx51_enum[] = {
260 SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(spk_function), spk_function),
261 SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(input_function), input_function),
262 SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(jack_function), jack_function),
263};
264
265static const struct snd_kcontrol_new aic34_rx51_controls[] = {
266 SOC_ENUM_EXT("Speaker Function", rx51_enum[0],
267 rx51_get_spk, rx51_set_spk),
268 SOC_ENUM_EXT("Input Select", rx51_enum[1],
269 rx51_get_input, rx51_set_input),
270 SOC_ENUM_EXT("Jack Function", rx51_enum[2],
271 rx51_get_jack, rx51_set_jack),
272 SOC_DAPM_PIN_SWITCH("FM Transmitter"),
273 SOC_DAPM_PIN_SWITCH("Earphone"),
274};
275
276static int rx51_aic34_init(struct snd_soc_pcm_runtime *rtd)
277{
278 struct snd_soc_card *card = rtd->card;
279 struct rx51_audio_pdata *pdata = snd_soc_card_get_drvdata(card);
280 int err;
281
282 snd_soc_limit_volume(card, "TPA6130A2 Headphone Playback Volume", 42);
283
284 err = omap_mcbsp_st_add_controls(rtd, 2);
285 if (err < 0) {
286 dev_err(card->dev, "Failed to add MCBSP controls\n");
287 return err;
288 }
289
290
291 err = snd_soc_card_jack_new(rtd->card, "AV Jack",
292 SND_JACK_HEADSET | SND_JACK_VIDEOOUT,
293 &rx51_av_jack, NULL, 0);
294 if (err) {
295 dev_err(card->dev, "Failed to add AV Jack\n");
296 return err;
297 }
298
299
300 rx51_av_jack_gpios[0].gpio = desc_to_gpio(pdata->jack_detection_gpio);
301 devm_gpiod_put(card->dev, pdata->jack_detection_gpio);
302
303 err = snd_soc_jack_add_gpios(&rx51_av_jack,
304 ARRAY_SIZE(rx51_av_jack_gpios),
305 rx51_av_jack_gpios);
306 if (err) {
307 dev_err(card->dev, "Failed to add GPIOs\n");
308 return err;
309 }
310
311 return err;
312}
313
314
315static struct snd_soc_dai_link rx51_dai[] = {
316 {
317 .name = "TLV320AIC34",
318 .stream_name = "AIC34",
319 .cpu_dai_name = "omap-mcbsp.2",
320 .codec_dai_name = "tlv320aic3x-hifi",
321 .platform_name = "omap-mcbsp.2",
322 .codec_name = "tlv320aic3x-codec.2-0018",
323 .dai_fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_IB_NF |
324 SND_SOC_DAIFMT_CBM_CFM,
325 .init = rx51_aic34_init,
326 .ops = &rx51_ops,
327 },
328};
329
330static struct snd_soc_aux_dev rx51_aux_dev[] = {
331 {
332 .name = "TLV320AIC34b",
333 .codec_name = "tlv320aic3x-codec.2-0019",
334 },
335 {
336 .name = "TPA61320A2",
337 .codec_name = "tpa6130a2.2-0060",
338 },
339};
340
341static struct snd_soc_codec_conf rx51_codec_conf[] = {
342 {
343 .dev_name = "tlv320aic3x-codec.2-0019",
344 .name_prefix = "b",
345 },
346 {
347 .dev_name = "tpa6130a2.2-0060",
348 .name_prefix = "TPA6130A2",
349 },
350};
351
352
353static struct snd_soc_card rx51_sound_card = {
354 .name = "RX-51",
355 .owner = THIS_MODULE,
356 .dai_link = rx51_dai,
357 .num_links = ARRAY_SIZE(rx51_dai),
358 .aux_dev = rx51_aux_dev,
359 .num_aux_devs = ARRAY_SIZE(rx51_aux_dev),
360 .codec_conf = rx51_codec_conf,
361 .num_configs = ARRAY_SIZE(rx51_codec_conf),
362 .fully_routed = true,
363
364 .controls = aic34_rx51_controls,
365 .num_controls = ARRAY_SIZE(aic34_rx51_controls),
366 .dapm_widgets = aic34_dapm_widgets,
367 .num_dapm_widgets = ARRAY_SIZE(aic34_dapm_widgets),
368 .dapm_routes = audio_map,
369 .num_dapm_routes = ARRAY_SIZE(audio_map),
370};
371
372static int rx51_soc_probe(struct platform_device *pdev)
373{
374 struct rx51_audio_pdata *pdata;
375 struct device_node *np = pdev->dev.of_node;
376 struct snd_soc_card *card = &rx51_sound_card;
377 int err;
378
379 if (!machine_is_nokia_rx51() && !of_machine_is_compatible("nokia,omap3-n900"))
380 return -ENODEV;
381
382 card->dev = &pdev->dev;
383
384 if (np) {
385 struct device_node *dai_node;
386
387 dai_node = of_parse_phandle(np, "nokia,cpu-dai", 0);
388 if (!dai_node) {
389 dev_err(&pdev->dev, "McBSP node is not provided\n");
390 return -EINVAL;
391 }
392 rx51_dai[0].cpu_dai_name = NULL;
393 rx51_dai[0].platform_name = NULL;
394 rx51_dai[0].cpu_of_node = dai_node;
395 rx51_dai[0].platform_of_node = dai_node;
396
397 dai_node = of_parse_phandle(np, "nokia,audio-codec", 0);
398 if (!dai_node) {
399 dev_err(&pdev->dev, "Codec node is not provided\n");
400 return -EINVAL;
401 }
402 rx51_dai[0].codec_name = NULL;
403 rx51_dai[0].codec_of_node = dai_node;
404
405 dai_node = of_parse_phandle(np, "nokia,audio-codec", 1);
406 if (!dai_node) {
407 dev_err(&pdev->dev, "Auxiliary Codec node is not provided\n");
408 return -EINVAL;
409 }
410 rx51_aux_dev[0].codec_name = NULL;
411 rx51_aux_dev[0].codec_of_node = dai_node;
412 rx51_codec_conf[0].dev_name = NULL;
413 rx51_codec_conf[0].of_node = dai_node;
414
415 dai_node = of_parse_phandle(np, "nokia,headphone-amplifier", 0);
416 if (!dai_node) {
417 dev_err(&pdev->dev, "Headphone amplifier node is not provided\n");
418 return -EINVAL;
419 }
420 rx51_aux_dev[1].codec_name = NULL;
421 rx51_aux_dev[1].codec_of_node = dai_node;
422 rx51_codec_conf[1].dev_name = NULL;
423 rx51_codec_conf[1].of_node = dai_node;
424 }
425
426 pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
427 if (pdata == NULL)
428 return -ENOMEM;
429
430 snd_soc_card_set_drvdata(card, pdata);
431
432 pdata->tvout_selection_gpio = devm_gpiod_get(card->dev,
433 "tvout-selection",
434 GPIOD_OUT_LOW);
435 if (IS_ERR(pdata->tvout_selection_gpio)) {
436 dev_err(card->dev, "could not get tvout selection gpio\n");
437 return PTR_ERR(pdata->tvout_selection_gpio);
438 }
439
440 pdata->jack_detection_gpio = devm_gpiod_get(card->dev,
441 "jack-detection",
442 GPIOD_ASIS);
443 if (IS_ERR(pdata->jack_detection_gpio)) {
444 dev_err(card->dev, "could not get jack detection gpio\n");
445 return PTR_ERR(pdata->jack_detection_gpio);
446 }
447
448 pdata->eci_sw_gpio = devm_gpiod_get(card->dev, "eci-switch",
449 GPIOD_OUT_HIGH);
450 if (IS_ERR(pdata->eci_sw_gpio)) {
451 dev_err(card->dev, "could not get eci switch gpio\n");
452 return PTR_ERR(pdata->eci_sw_gpio);
453 }
454
455 pdata->speaker_amp_gpio = devm_gpiod_get(card->dev,
456 "speaker-amplifier",
457 GPIOD_OUT_LOW);
458 if (IS_ERR(pdata->speaker_amp_gpio)) {
459 dev_err(card->dev, "could not get speaker enable gpio\n");
460 return PTR_ERR(pdata->speaker_amp_gpio);
461 }
462
463 err = devm_snd_soc_register_card(card->dev, card);
464 if (err) {
465 dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", err);
466 return err;
467 }
468
469 return 0;
470}
471
472#if defined(CONFIG_OF)
473static const struct of_device_id rx51_audio_of_match[] = {
474 { .compatible = "nokia,n900-audio", },
475 {},
476};
477MODULE_DEVICE_TABLE(of, rx51_audio_of_match);
478#endif
479
480static struct platform_driver rx51_soc_driver = {
481 .driver = {
482 .name = "rx51-audio",
483 .of_match_table = of_match_ptr(rx51_audio_of_match),
484 },
485 .probe = rx51_soc_probe,
486};
487
488module_platform_driver(rx51_soc_driver);
489
490MODULE_AUTHOR("Nokia Corporation");
491MODULE_DESCRIPTION("ALSA SoC Nokia RX-51");
492MODULE_LICENSE("GPL");
493MODULE_ALIAS("platform:rx51-audio");
494
