1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33#include <linux/platform_device.h>
34#include <linux/platform_data/omap-twl4030.h>
35#include <linux/module.h>
36#include <linux/of.h>
37#include <linux/gpio.h>
38#include <linux/of_gpio.h>
39
40#include <sound/core.h>
41#include <sound/pcm.h>
42#include <sound/soc.h>
43#include <sound/jack.h>
44
45#include "omap-mcbsp.h"
46
47struct omap_twl4030 {
48 int jack_detect;
49 struct snd_soc_jack hs_jack;
50};
51
52static int omap_twl4030_hw_params(struct snd_pcm_substream *substream,
53 struct snd_pcm_hw_params *params)
54{
55 struct snd_soc_pcm_runtime *rtd = substream->private_data;
56 struct snd_soc_dai *codec_dai = rtd->codec_dai;
57 struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
58 struct snd_soc_card *card = rtd->card;
59 unsigned int fmt;
60 int ret;
61
62 switch (params_channels(params)) {
63 case 2:
64 fmt = SND_SOC_DAIFMT_I2S |
65 SND_SOC_DAIFMT_NB_NF |
66 SND_SOC_DAIFMT_CBM_CFM;
67 break;
68 case 4:
69 fmt = SND_SOC_DAIFMT_DSP_A |
70 SND_SOC_DAIFMT_IB_NF |
71 SND_SOC_DAIFMT_CBM_CFM;
72 break;
73 default:
74 return -EINVAL;
75 }
76
77
78 ret = snd_soc_dai_set_fmt(codec_dai, fmt);
79 if (ret < 0) {
80 dev_err(card->dev, "can't set codec DAI configuration\n");
81 return ret;
82 }
83
84
85 ret = snd_soc_dai_set_fmt(cpu_dai, fmt);
86 if (ret < 0) {
87 dev_err(card->dev, "can't set cpu DAI configuration\n");
88 return ret;
89 }
90
91 return 0;
92}
93
94static struct snd_soc_ops omap_twl4030_ops = {
95 .hw_params = omap_twl4030_hw_params,
96};
97
98static const struct snd_soc_dapm_widget dapm_widgets[] = {
99 SND_SOC_DAPM_SPK("Earpiece Spk", NULL),
100 SND_SOC_DAPM_SPK("Handsfree Spk", NULL),
101 SND_SOC_DAPM_HP("Headset Stereophone", NULL),
102 SND_SOC_DAPM_SPK("Ext Spk", NULL),
103 SND_SOC_DAPM_SPK("Carkit Spk", NULL),
104
105 SND_SOC_DAPM_MIC("Main Mic", NULL),
106 SND_SOC_DAPM_MIC("Sub Mic", NULL),
107 SND_SOC_DAPM_MIC("Headset Mic", NULL),
108 SND_SOC_DAPM_MIC("Carkit Mic", NULL),
109 SND_SOC_DAPM_MIC("Digital0 Mic", NULL),
110 SND_SOC_DAPM_MIC("Digital1 Mic", NULL),
111 SND_SOC_DAPM_LINE("Line In", NULL),
112};
113
114static const struct snd_soc_dapm_route audio_map[] = {
115
116 {"Headset Stereophone", NULL, "HSOL"},
117 {"Headset Stereophone", NULL, "HSOR"},
118
119 {"Handsfree Spk", NULL, "HFL"},
120 {"Handsfree Spk", NULL, "HFR"},
121
122 {"Ext Spk", NULL, "PREDRIVEL"},
123 {"Ext Spk", NULL, "PREDRIVER"},
124
125 {"Carkit Spk", NULL, "CARKITL"},
126 {"Carkit Spk", NULL, "CARKITR"},
127
128 {"Earpiece Spk", NULL, "EARPIECE"},
129
130
131 {"MAINMIC", NULL, "Main Mic"},
132 {"Main Mic", NULL, "Mic Bias 1"},
133 {"SUBMIC", NULL, "Sub Mic"},
134 {"Sub Mic", NULL, "Mic Bias 2"},
135
136 {"HSMIC", NULL, "Headset Mic"},
137 {"Headset Mic", NULL, "Headset Mic Bias"},
138
139 {"DIGIMIC0", NULL, "Digital0 Mic"},
140 {"Digital0 Mic", NULL, "Mic Bias 1"},
141 {"DIGIMIC1", NULL, "Digital1 Mic"},
142 {"Digital1 Mic", NULL, "Mic Bias 2"},
143
144 {"CARKITMIC", NULL, "Carkit Mic"},
145
146 {"AUXL", NULL, "Line In"},
147 {"AUXR", NULL, "Line In"},
148};
149
150
151static struct snd_soc_jack_pin hs_jack_pins[] = {
152 {
153 .pin = "Headset Mic",
154 .mask = SND_JACK_MICROPHONE,
155 },
156 {
157 .pin = "Headset Stereophone",
158 .mask = SND_JACK_HEADPHONE,
159 },
160};
161
162
163static struct snd_soc_jack_gpio hs_jack_gpios[] = {
164 {
165 .name = "hsdet-gpio",
166 .report = SND_JACK_HEADSET,
167 .debounce_time = 200,
168 },
169};
170
171static inline void twl4030_disconnect_pin(struct snd_soc_dapm_context *dapm,
172 int connected, char *pin)
173{
174 if (!connected)
175 snd_soc_dapm_disable_pin(dapm, pin);
176}
177
178static int omap_twl4030_init(struct snd_soc_pcm_runtime *rtd)
179{
180 struct snd_soc_codec *codec = rtd->codec;
181 struct snd_soc_card *card = rtd->card;
182 struct snd_soc_dapm_context *dapm = &codec->dapm;
183 struct omap_tw4030_pdata *pdata = dev_get_platdata(card->dev);
184 struct omap_twl4030 *priv = snd_soc_card_get_drvdata(card);
185 int ret = 0;
186
187
188 if (priv->jack_detect > 0) {
189 hs_jack_gpios[0].gpio = priv->jack_detect;
190
191 ret = snd_soc_jack_new(codec, "Headset Jack", SND_JACK_HEADSET,
192 &priv->hs_jack);
193 if (ret)
194 return ret;
195
196 ret = snd_soc_jack_add_pins(&priv->hs_jack,
197 ARRAY_SIZE(hs_jack_pins),
198 hs_jack_pins);
199 if (ret)
200 return ret;
201
202 ret = snd_soc_jack_add_gpios(&priv->hs_jack,
203 ARRAY_SIZE(hs_jack_gpios),
204 hs_jack_gpios);
205 if (ret)
206 return ret;
207 }
208
209
210
211
212
213 if (!pdata || !pdata->custom_routing)
214 return ret;
215
216
217 twl4030_disconnect_pin(dapm, pdata->has_ear, "Earpiece Spk");
218 twl4030_disconnect_pin(dapm, pdata->has_hf, "Handsfree Spk");
219 twl4030_disconnect_pin(dapm, pdata->has_hs, "Headset Stereophone");
220 twl4030_disconnect_pin(dapm, pdata->has_predriv, "Ext Spk");
221 twl4030_disconnect_pin(dapm, pdata->has_carkit, "Carkit Spk");
222
223 twl4030_disconnect_pin(dapm, pdata->has_mainmic, "Main Mic");
224 twl4030_disconnect_pin(dapm, pdata->has_submic, "Sub Mic");
225 twl4030_disconnect_pin(dapm, pdata->has_hsmic, "Headset Mic");
226 twl4030_disconnect_pin(dapm, pdata->has_carkitmic, "Carkit Mic");
227 twl4030_disconnect_pin(dapm, pdata->has_digimic0, "Digital0 Mic");
228 twl4030_disconnect_pin(dapm, pdata->has_digimic1, "Digital1 Mic");
229 twl4030_disconnect_pin(dapm, pdata->has_linein, "Line In");
230
231 return ret;
232}
233
234static int omap_twl4030_card_remove(struct snd_soc_card *card)
235{
236 struct omap_twl4030 *priv = snd_soc_card_get_drvdata(card);
237
238 if (priv->jack_detect > 0)
239 snd_soc_jack_free_gpios(&priv->hs_jack,
240 ARRAY_SIZE(hs_jack_gpios),
241 hs_jack_gpios);
242
243 return 0;
244}
245
246
247static struct snd_soc_dai_link omap_twl4030_dai_links[] = {
248 {
249 .name = "TWL4030 HiFi",
250 .stream_name = "TWL4030 HiFi",
251 .cpu_dai_name = "omap-mcbsp.2",
252 .codec_dai_name = "twl4030-hifi",
253 .platform_name = "omap-mcbsp.2",
254 .codec_name = "twl4030-codec",
255 .init = omap_twl4030_init,
256 .ops = &omap_twl4030_ops,
257 },
258 {
259 .name = "TWL4030 Voice",
260 .stream_name = "TWL4030 Voice",
261 .cpu_dai_name = "omap-mcbsp.3",
262 .codec_dai_name = "twl4030-voice",
263 .platform_name = "omap-mcbsp.3",
264 .codec_name = "twl4030-codec",
265 .dai_fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_IB_NF |
266 SND_SOC_DAIFMT_CBM_CFM,
267 },
268};
269
270
271static struct snd_soc_card omap_twl4030_card = {
272 .owner = THIS_MODULE,
273 .remove = omap_twl4030_card_remove,
274 .dai_link = omap_twl4030_dai_links,
275 .num_links = ARRAY_SIZE(omap_twl4030_dai_links),
276
277 .dapm_widgets = dapm_widgets,
278 .num_dapm_widgets = ARRAY_SIZE(dapm_widgets),
279 .dapm_routes = audio_map,
280 .num_dapm_routes = ARRAY_SIZE(audio_map),
281};
282
283static int omap_twl4030_probe(struct platform_device *pdev)
284{
285 struct omap_tw4030_pdata *pdata = dev_get_platdata(&pdev->dev);
286 struct device_node *node = pdev->dev.of_node;
287 struct snd_soc_card *card = &omap_twl4030_card;
288 struct omap_twl4030 *priv;
289 int ret = 0;
290
291 card->dev = &pdev->dev;
292
293 priv = devm_kzalloc(&pdev->dev, sizeof(struct omap_twl4030), GFP_KERNEL);
294 if (priv == NULL)
295 return -ENOMEM;
296
297 if (node) {
298 struct device_node *dai_node;
299 struct property *prop;
300
301 if (snd_soc_of_parse_card_name(card, "ti,model")) {
302 dev_err(&pdev->dev, "Card name is not provided\n");
303 return -ENODEV;
304 }
305
306 dai_node = of_parse_phandle(node, "ti,mcbsp", 0);
307 if (!dai_node) {
308 dev_err(&pdev->dev, "McBSP node is not provided\n");
309 return -EINVAL;
310 }
311 omap_twl4030_dai_links[0].cpu_dai_name = NULL;
312 omap_twl4030_dai_links[0].cpu_of_node = dai_node;
313
314 omap_twl4030_dai_links[0].platform_name = NULL;
315 omap_twl4030_dai_links[0].platform_of_node = dai_node;
316
317 dai_node = of_parse_phandle(node, "ti,mcbsp-voice", 0);
318 if (!dai_node) {
319 card->num_links = 1;
320 } else {
321 omap_twl4030_dai_links[1].cpu_dai_name = NULL;
322 omap_twl4030_dai_links[1].cpu_of_node = dai_node;
323
324 omap_twl4030_dai_links[1].platform_name = NULL;
325 omap_twl4030_dai_links[1].platform_of_node = dai_node;
326 }
327
328 priv->jack_detect = of_get_named_gpio(node,
329 "ti,jack-det-gpio", 0);
330
331
332 prop = of_find_property(node, "ti,audio-routing", NULL);
333 if (prop) {
334 ret = snd_soc_of_parse_audio_routing(card,
335 "ti,audio-routing");
336 if (ret)
337 return ret;
338
339 card->fully_routed = 1;
340 }
341 } else if (pdata) {
342 if (pdata->card_name) {
343 card->name = pdata->card_name;
344 } else {
345 dev_err(&pdev->dev, "Card name is not provided\n");
346 return -ENODEV;
347 }
348
349 if (!pdata->voice_connected)
350 card->num_links = 1;
351
352 priv->jack_detect = pdata->jack_detect;
353 } else {
354 dev_err(&pdev->dev, "Missing pdata\n");
355 return -ENODEV;
356 }
357
358 snd_soc_card_set_drvdata(card, priv);
359 ret = devm_snd_soc_register_card(&pdev->dev, card);
360 if (ret) {
361 dev_err(&pdev->dev, "devm_snd_soc_register_card() failed: %d\n",
362 ret);
363 return ret;
364 }
365
366 return 0;
367}
368
369static const struct of_device_id omap_twl4030_of_match[] = {
370 {.compatible = "ti,omap-twl4030", },
371 { },
372};
373MODULE_DEVICE_TABLE(of, omap_twl4030_of_match);
374
375static struct platform_driver omap_twl4030_driver = {
376 .driver = {
377 .name = "omap-twl4030",
378 .pm = &snd_soc_pm_ops,
379 .of_match_table = omap_twl4030_of_match,
380 },
381 .probe = omap_twl4030_probe,
382};
383
384module_platform_driver(omap_twl4030_driver);
385
386MODULE_AUTHOR("Peter Ujfalusi <peter.ujfalusi@ti.com>");
387MODULE_DESCRIPTION("ALSA SoC for TI SoC based boards with twl4030 codec");
388MODULE_LICENSE("GPL");
389MODULE_ALIAS("platform:omap-twl4030");
390
