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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
27enum {
28 RX51_JACK_DISABLED,
29 RX51_JACK_TVOUT,
30 RX51_JACK_HP,
31 RX51_JACK_HS,
32};
33
34struct 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
41static int rx51_spk_func;
42static int rx51_dmic_func;
43static int rx51_jack_func;
44
45static 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 case RX51_JACK_HP:
59 hp = 1;
60 break;
61 }
62
63 snd_soc_dapm_mutex_lock(dapm);
64
65 if (rx51_spk_func)
66 snd_soc_dapm_enable_pin_unlocked(dapm, "Ext Spk");
67 else
68 snd_soc_dapm_disable_pin_unlocked(dapm, "Ext Spk");
69 if (rx51_dmic_func)
70 snd_soc_dapm_enable_pin_unlocked(dapm, "DMic");
71 else
72 snd_soc_dapm_disable_pin_unlocked(dapm, "DMic");
73 if (hp)
74 snd_soc_dapm_enable_pin_unlocked(dapm, "Headphone Jack");
75 else
76 snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack");
77 if (hs)
78 snd_soc_dapm_enable_pin_unlocked(dapm, "HS Mic");
79 else
80 snd_soc_dapm_disable_pin_unlocked(dapm, "HS Mic");
81
82 gpiod_set_value(pdata->tvout_selection_gpio, tvout);
83
84 snd_soc_dapm_sync_unlocked(dapm);
85
86 snd_soc_dapm_mutex_unlock(dapm);
87}
88
89static int rx51_startup(struct snd_pcm_substream *substream)
90{
91 struct snd_pcm_runtime *runtime = substream->runtime;
92 struct snd_soc_pcm_runtime *rtd = substream->private_data;
93 struct snd_soc_card *card = rtd->card;
94
95 snd_pcm_hw_constraint_single(runtime, SNDRV_PCM_HW_PARAM_CHANNELS, 2);
96 rx51_ext_control(&card->dapm);
97
98 return 0;
99}
100
101static int rx51_hw_params(struct snd_pcm_substream *substream,
102 struct snd_pcm_hw_params *params)
103{
104 struct snd_soc_pcm_runtime *rtd = substream->private_data;
105 struct snd_soc_dai *codec_dai = rtd->codec_dai;
106
107
108 return snd_soc_dai_set_sysclk(codec_dai, 0, 19200000,
109 SND_SOC_CLOCK_IN);
110}
111
112static const struct snd_soc_ops rx51_ops = {
113 .startup = rx51_startup,
114 .hw_params = rx51_hw_params,
115};
116
117static int rx51_get_spk(struct snd_kcontrol *kcontrol,
118 struct snd_ctl_elem_value *ucontrol)
119{
120 ucontrol->value.enumerated.item[0] = rx51_spk_func;
121
122 return 0;
123}
124
125static int rx51_set_spk(struct snd_kcontrol *kcontrol,
126 struct snd_ctl_elem_value *ucontrol)
127{
128 struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
129
130 if (rx51_spk_func == ucontrol->value.enumerated.item[0])
131 return 0;
132
133 rx51_spk_func = ucontrol->value.enumerated.item[0];
134 rx51_ext_control(&card->dapm);
135
136 return 1;
137}
138
139static int rx51_spk_event(struct snd_soc_dapm_widget *w,
140 struct snd_kcontrol *k, int event)
141{
142 struct snd_soc_dapm_context *dapm = w->dapm;
143 struct snd_soc_card *card = dapm->card;
144 struct rx51_audio_pdata *pdata = snd_soc_card_get_drvdata(card);
145
146 gpiod_set_raw_value_cansleep(pdata->speaker_amp_gpio,
147 !!SND_SOC_DAPM_EVENT_ON(event));
148
149 return 0;
150}
151
152static int rx51_get_input(struct snd_kcontrol *kcontrol,
153 struct snd_ctl_elem_value *ucontrol)
154{
155 ucontrol->value.enumerated.item[0] = rx51_dmic_func;
156
157 return 0;
158}
159
160static int rx51_set_input(struct snd_kcontrol *kcontrol,
161 struct snd_ctl_elem_value *ucontrol)
162{
163 struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
164
165 if (rx51_dmic_func == ucontrol->value.enumerated.item[0])
166 return 0;
167
168 rx51_dmic_func = ucontrol->value.enumerated.item[0];
169 rx51_ext_control(&card->dapm);
170
171 return 1;
172}
173
174static int rx51_get_jack(struct snd_kcontrol *kcontrol,
175 struct snd_ctl_elem_value *ucontrol)
176{
177 ucontrol->value.enumerated.item[0] = rx51_jack_func;
178
179 return 0;
180}
181
182static int rx51_set_jack(struct snd_kcontrol *kcontrol,
183 struct snd_ctl_elem_value *ucontrol)
184{
185 struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
186
187 if (rx51_jack_func == ucontrol->value.enumerated.item[0])
188 return 0;
189
190 rx51_jack_func = ucontrol->value.enumerated.item[0];
191 rx51_ext_control(&card->dapm);
192
193 return 1;
194}
195
196static struct snd_soc_jack rx51_av_jack;
197
198static struct snd_soc_jack_gpio rx51_av_jack_gpios[] = {
199 {
200 .name = "avdet-gpio",
201 .report = SND_JACK_HEADSET,
202 .invert = 1,
203 .debounce_time = 200,
204 },
205};
206
207static const struct snd_soc_dapm_widget aic34_dapm_widgets[] = {
208 SND_SOC_DAPM_SPK("Ext Spk", rx51_spk_event),
209 SND_SOC_DAPM_MIC("DMic", NULL),
210 SND_SOC_DAPM_HP("Headphone Jack", NULL),
211 SND_SOC_DAPM_MIC("HS Mic", NULL),
212 SND_SOC_DAPM_LINE("FM Transmitter", NULL),
213 SND_SOC_DAPM_SPK("Earphone", NULL),
214};
215
216static const struct snd_soc_dapm_route audio_map[] = {
217 {"Ext Spk", NULL, "HPLOUT"},
218 {"Ext Spk", NULL, "HPROUT"},
219 {"Ext Spk", NULL, "HPLCOM"},
220 {"Ext Spk", NULL, "HPRCOM"},
221 {"FM Transmitter", NULL, "LLOUT"},
222 {"FM Transmitter", NULL, "RLOUT"},
223
224 {"Headphone Jack", NULL, "TPA6130A2 HPLEFT"},
225 {"Headphone Jack", NULL, "TPA6130A2 HPRIGHT"},
226 {"TPA6130A2 LEFTIN", NULL, "LLOUT"},
227 {"TPA6130A2 RIGHTIN", NULL, "RLOUT"},
228
229 {"DMic Rate 64", NULL, "DMic"},
230 {"DMic", NULL, "Mic Bias"},
231
232 {"b LINE2R", NULL, "MONO_LOUT"},
233 {"Earphone", NULL, "b HPLOUT"},
234
235 {"LINE1L", NULL, "HS Mic"},
236 {"HS Mic", NULL, "b Mic Bias"},
237};
238
239static const char * const spk_function[] = {"Off", "On"};
240static const char * const input_function[] = {"ADC", "Digital Mic"};
241static const char * const jack_function[] = {
242 "Off", "TV-OUT", "Headphone", "Headset"
243};
244
245static const struct soc_enum rx51_enum[] = {
246 SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(spk_function), spk_function),
247 SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(input_function), input_function),
248 SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(jack_function), jack_function),
249};
250
251static const struct snd_kcontrol_new aic34_rx51_controls[] = {
252 SOC_ENUM_EXT("Speaker Function", rx51_enum[0],
253 rx51_get_spk, rx51_set_spk),
254 SOC_ENUM_EXT("Input Select", rx51_enum[1],
255 rx51_get_input, rx51_set_input),
256 SOC_ENUM_EXT("Jack Function", rx51_enum[2],
257 rx51_get_jack, rx51_set_jack),
258 SOC_DAPM_PIN_SWITCH("FM Transmitter"),
259 SOC_DAPM_PIN_SWITCH("Earphone"),
260};
261
262static int rx51_aic34_init(struct snd_soc_pcm_runtime *rtd)
263{
264 struct snd_soc_card *card = rtd->card;
265 struct rx51_audio_pdata *pdata = snd_soc_card_get_drvdata(card);
266 int err;
267
268 snd_soc_limit_volume(card, "TPA6130A2 Headphone Playback Volume", 42);
269
270 err = omap_mcbsp_st_add_controls(rtd, 2);
271 if (err < 0) {
272 dev_err(card->dev, "Failed to add MCBSP controls\n");
273 return err;
274 }
275
276
277 err = snd_soc_card_jack_new(rtd->card, "AV Jack",
278 SND_JACK_HEADSET | SND_JACK_VIDEOOUT,
279 &rx51_av_jack, NULL, 0);
280 if (err) {
281 dev_err(card->dev, "Failed to add AV Jack\n");
282 return err;
283 }
284
285
286 rx51_av_jack_gpios[0].gpio = desc_to_gpio(pdata->jack_detection_gpio);
287 devm_gpiod_put(card->dev, pdata->jack_detection_gpio);
288
289 err = snd_soc_jack_add_gpios(&rx51_av_jack,
290 ARRAY_SIZE(rx51_av_jack_gpios),
291 rx51_av_jack_gpios);
292 if (err) {
293 dev_err(card->dev, "Failed to add GPIOs\n");
294 return err;
295 }
296
297 return err;
298}
299
300
301SND_SOC_DAILINK_DEFS(aic34,
302 DAILINK_COMP_ARRAY(COMP_CPU("omap-mcbsp.2")),
303 DAILINK_COMP_ARRAY(COMP_CODEC("tlv320aic3x-codec.2-0018",
304 "tlv320aic3x-hifi")),
305 DAILINK_COMP_ARRAY(COMP_PLATFORM("omap-mcbsp.2")));
306
307static struct snd_soc_dai_link rx51_dai[] = {
308 {
309 .name = "TLV320AIC34",
310 .stream_name = "AIC34",
311 .dai_fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_IB_NF |
312 SND_SOC_DAIFMT_CBM_CFM,
313 .init = rx51_aic34_init,
314 .ops = &rx51_ops,
315 SND_SOC_DAILINK_REG(aic34),
316 },
317};
318
319static struct snd_soc_aux_dev rx51_aux_dev[] = {
320 {
321 .name = "TLV320AIC34b",
322 .codec_name = "tlv320aic3x-codec.2-0019",
323 },
324 {
325 .name = "TPA61320A2",
326 .codec_name = "tpa6130a2.2-0060",
327 },
328};
329
330static struct snd_soc_codec_conf rx51_codec_conf[] = {
331 {
332 .dev_name = "tlv320aic3x-codec.2-0019",
333 .name_prefix = "b",
334 },
335 {
336 .dev_name = "tpa6130a2.2-0060",
337 .name_prefix = "TPA6130A2",
338 },
339};
340
341
342static struct snd_soc_card rx51_sound_card = {
343 .name = "RX-51",
344 .owner = THIS_MODULE,
345 .dai_link = rx51_dai,
346 .num_links = ARRAY_SIZE(rx51_dai),
347 .aux_dev = rx51_aux_dev,
348 .num_aux_devs = ARRAY_SIZE(rx51_aux_dev),
349 .codec_conf = rx51_codec_conf,
350 .num_configs = ARRAY_SIZE(rx51_codec_conf),
351 .fully_routed = true,
352
353 .controls = aic34_rx51_controls,
354 .num_controls = ARRAY_SIZE(aic34_rx51_controls),
355 .dapm_widgets = aic34_dapm_widgets,
356 .num_dapm_widgets = ARRAY_SIZE(aic34_dapm_widgets),
357 .dapm_routes = audio_map,
358 .num_dapm_routes = ARRAY_SIZE(audio_map),
359};
360
361static int rx51_soc_probe(struct platform_device *pdev)
362{
363 struct rx51_audio_pdata *pdata;
364 struct device_node *np = pdev->dev.of_node;
365 struct snd_soc_card *card = &rx51_sound_card;
366 int err;
367
368 if (!machine_is_nokia_rx51() && !of_machine_is_compatible("nokia,omap3-n900"))
369 return -ENODEV;
370
371 card->dev = &pdev->dev;
372
373 if (np) {
374 struct device_node *dai_node;
375
376 dai_node = of_parse_phandle(np, "nokia,cpu-dai", 0);
377 if (!dai_node) {
378 dev_err(&pdev->dev, "McBSP node is not provided\n");
379 return -EINVAL;
380 }
381 rx51_dai[0].cpus->dai_name = NULL;
382 rx51_dai[0].platforms->name = NULL;
383 rx51_dai[0].cpus->of_node = dai_node;
384 rx51_dai[0].platforms->of_node = dai_node;
385
386 dai_node = of_parse_phandle(np, "nokia,audio-codec", 0);
387 if (!dai_node) {
388 dev_err(&pdev->dev, "Codec node is not provided\n");
389 return -EINVAL;
390 }
391 rx51_dai[0].codecs->name = NULL;
392 rx51_dai[0].codecs->of_node = dai_node;
393
394 dai_node = of_parse_phandle(np, "nokia,audio-codec", 1);
395 if (!dai_node) {
396 dev_err(&pdev->dev, "Auxiliary Codec node is not provided\n");
397 return -EINVAL;
398 }
399 rx51_aux_dev[0].codec_name = NULL;
400 rx51_aux_dev[0].codec_of_node = dai_node;
401 rx51_codec_conf[0].dev_name = NULL;
402 rx51_codec_conf[0].of_node = dai_node;
403
404 dai_node = of_parse_phandle(np, "nokia,headphone-amplifier", 0);
405 if (!dai_node) {
406 dev_err(&pdev->dev, "Headphone amplifier node is not provided\n");
407 return -EINVAL;
408 }
409 rx51_aux_dev[1].codec_name = NULL;
410 rx51_aux_dev[1].codec_of_node = dai_node;
411 rx51_codec_conf[1].dev_name = NULL;
412 rx51_codec_conf[1].of_node = dai_node;
413 }
414
415 pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
416 if (pdata == NULL)
417 return -ENOMEM;
418
419 snd_soc_card_set_drvdata(card, pdata);
420
421 pdata->tvout_selection_gpio = devm_gpiod_get(card->dev,
422 "tvout-selection",
423 GPIOD_OUT_LOW);
424 if (IS_ERR(pdata->tvout_selection_gpio)) {
425 dev_err(card->dev, "could not get tvout selection gpio\n");
426 return PTR_ERR(pdata->tvout_selection_gpio);
427 }
428
429 pdata->jack_detection_gpio = devm_gpiod_get(card->dev,
430 "jack-detection",
431 GPIOD_ASIS);
432 if (IS_ERR(pdata->jack_detection_gpio)) {
433 dev_err(card->dev, "could not get jack detection gpio\n");
434 return PTR_ERR(pdata->jack_detection_gpio);
435 }
436
437 pdata->eci_sw_gpio = devm_gpiod_get(card->dev, "eci-switch",
438 GPIOD_OUT_HIGH);
439 if (IS_ERR(pdata->eci_sw_gpio)) {
440 dev_err(card->dev, "could not get eci switch gpio\n");
441 return PTR_ERR(pdata->eci_sw_gpio);
442 }
443
444 pdata->speaker_amp_gpio = devm_gpiod_get(card->dev,
445 "speaker-amplifier",
446 GPIOD_OUT_LOW);
447 if (IS_ERR(pdata->speaker_amp_gpio)) {
448 dev_err(card->dev, "could not get speaker enable gpio\n");
449 return PTR_ERR(pdata->speaker_amp_gpio);
450 }
451
452 err = devm_snd_soc_register_card(card->dev, card);
453 if (err) {
454 dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", err);
455 return err;
456 }
457
458 return 0;
459}
460
461#if defined(CONFIG_OF)
462static const struct of_device_id rx51_audio_of_match[] = {
463 { .compatible = "nokia,n900-audio", },
464 {},
465};
466MODULE_DEVICE_TABLE(of, rx51_audio_of_match);
467#endif
468
469static struct platform_driver rx51_soc_driver = {
470 .driver = {
471 .name = "rx51-audio",
472 .of_match_table = of_match_ptr(rx51_audio_of_match),
473 },
474 .probe = rx51_soc_probe,
475};
476
477module_platform_driver(rx51_soc_driver);
478
479MODULE_AUTHOR("Nokia Corporation");
480MODULE_DESCRIPTION("ALSA SoC Nokia RX-51");
481MODULE_LICENSE("GPL");
482MODULE_ALIAS("platform:rx51-audio");
483
