Commit | Line | Data |
---|---|---|
5e64d6aa | 1 | /* |
13f81d65 PU |
2 | * omap-abe-twl6040.c -- SoC audio for TI OMAP based boards with ABE and |
3 | * twl6040 codec | |
5e64d6aa | 4 | * |
8747a6b7 | 5 | * Author: Misael Lopez Cruz <misael.lopez@ti.com> |
5e64d6aa MLC |
6 | * |
7 | * This program is free software; you can redistribute it and/or | |
8 | * modify it under the terms of the GNU General Public License | |
9 | * version 2 as published by the Free Software Foundation. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, but | |
12 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA | |
19 | * 02110-1301 USA | |
20 | * | |
21 | */ | |
22 | ||
23 | #include <linux/clk.h> | |
24 | #include <linux/platform_device.h> | |
fb34d3d5 | 25 | #include <linux/mfd/twl6040.h> |
d1be1d2f | 26 | #include <linux/platform_data/omap-abe-twl6040.h> |
da155d5b | 27 | #include <linux/module.h> |
5ef75e71 | 28 | #include <linux/of.h> |
fb34d3d5 | 29 | |
5e64d6aa MLC |
30 | #include <sound/core.h> |
31 | #include <sound/pcm.h> | |
32 | #include <sound/soc.h> | |
96dc227c | 33 | #include <sound/jack.h> |
5e64d6aa MLC |
34 | |
35 | #include <asm/mach-types.h> | |
36 | #include <plat/hardware.h> | |
37 | #include <plat/mux.h> | |
38 | ||
6524c8e3 | 39 | #include "omap-dmic.h" |
f5f9d7bf | 40 | #include "omap-mcpdm.h" |
5e64d6aa MLC |
41 | #include "omap-pcm.h" |
42 | #include "../codecs/twl6040.h" | |
43 | ||
356bccbe PU |
44 | struct abe_twl6040 { |
45 | int jack_detection; /* board can detect jack events */ | |
46 | int mclk_freq; /* MCLK frequency speed for twl6040 */ | |
5ef75e71 PU |
47 | |
48 | struct platform_device *dmic_codec_dev; | |
356bccbe PU |
49 | }; |
50 | ||
13f81d65 | 51 | static int omap_abe_hw_params(struct snd_pcm_substream *substream, |
5e64d6aa MLC |
52 | struct snd_pcm_hw_params *params) |
53 | { | |
54 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
f0fba2ad | 55 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
62ba98ce PU |
56 | struct snd_soc_codec *codec = rtd->codec; |
57 | struct snd_soc_card *card = codec->card; | |
356bccbe | 58 | struct abe_twl6040 *priv = snd_soc_card_get_drvdata(card); |
5e64d6aa MLC |
59 | int clk_id, freq; |
60 | int ret; | |
61 | ||
af958c72 PU |
62 | clk_id = twl6040_get_clk_id(rtd->codec); |
63 | if (clk_id == TWL6040_SYSCLK_SEL_HPPLL) | |
356bccbe | 64 | freq = priv->mclk_freq; |
af958c72 | 65 | else if (clk_id == TWL6040_SYSCLK_SEL_LPPLL) |
5e64d6aa | 66 | freq = 32768; |
af958c72 PU |
67 | else |
68 | return -EINVAL; | |
5e64d6aa MLC |
69 | |
70 | /* set the codec mclk */ | |
71 | ret = snd_soc_dai_set_sysclk(codec_dai, clk_id, freq, | |
72 | SND_SOC_CLOCK_IN); | |
73 | if (ret) { | |
74 | printk(KERN_ERR "can't set codec system clock\n"); | |
75 | return ret; | |
76 | } | |
f0fba2ad | 77 | return ret; |
5e64d6aa MLC |
78 | } |
79 | ||
13f81d65 PU |
80 | static struct snd_soc_ops omap_abe_ops = { |
81 | .hw_params = omap_abe_hw_params, | |
5e64d6aa MLC |
82 | }; |
83 | ||
13f81d65 | 84 | static int omap_abe_dmic_hw_params(struct snd_pcm_substream *substream, |
6524c8e3 PU |
85 | struct snd_pcm_hw_params *params) |
86 | { | |
87 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
88 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
89 | int ret = 0; | |
90 | ||
91 | ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_DMIC_SYSCLK_PAD_CLKS, | |
92 | 19200000, SND_SOC_CLOCK_IN); | |
93 | if (ret < 0) { | |
94 | printk(KERN_ERR "can't set DMIC cpu system clock\n"); | |
95 | return ret; | |
96 | } | |
97 | ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_DMIC_ABE_DMIC_CLK, 2400000, | |
98 | SND_SOC_CLOCK_OUT); | |
99 | if (ret < 0) { | |
100 | printk(KERN_ERR "can't set DMIC output clock\n"); | |
101 | return ret; | |
102 | } | |
103 | return 0; | |
104 | } | |
105 | ||
13f81d65 PU |
106 | static struct snd_soc_ops omap_abe_dmic_ops = { |
107 | .hw_params = omap_abe_dmic_hw_params, | |
6524c8e3 PU |
108 | }; |
109 | ||
96dc227c JEC |
110 | /* Headset jack */ |
111 | static struct snd_soc_jack hs_jack; | |
112 | ||
113 | /*Headset jack detection DAPM pins */ | |
114 | static struct snd_soc_jack_pin hs_jack_pins[] = { | |
115 | { | |
116 | .pin = "Headset Mic", | |
117 | .mask = SND_JACK_MICROPHONE, | |
118 | }, | |
119 | { | |
120 | .pin = "Headset Stereophone", | |
121 | .mask = SND_JACK_HEADPHONE, | |
122 | }, | |
123 | }; | |
124 | ||
5e64d6aa | 125 | /* SDP4430 machine DAPM */ |
13f81d65 | 126 | static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = { |
b3208839 | 127 | /* Outputs */ |
5e64d6aa | 128 | SND_SOC_DAPM_HP("Headset Stereophone", NULL), |
7254e2bd | 129 | SND_SOC_DAPM_SPK("Earphone Spk", NULL), |
b3208839 PU |
130 | SND_SOC_DAPM_SPK("Ext Spk", NULL), |
131 | SND_SOC_DAPM_LINE("Line Out", NULL), | |
132 | SND_SOC_DAPM_SPK("Vibrator", NULL), | |
133 | ||
134 | /* Inputs */ | |
135 | SND_SOC_DAPM_MIC("Headset Mic", NULL), | |
136 | SND_SOC_DAPM_MIC("Main Handset Mic", NULL), | |
137 | SND_SOC_DAPM_MIC("Sub Handset Mic", NULL), | |
138 | SND_SOC_DAPM_LINE("Line In", NULL), | |
7d09f9e9 PU |
139 | |
140 | /* Digital microphones */ | |
141 | SND_SOC_DAPM_MIC("Digital Mic", NULL), | |
5e64d6aa MLC |
142 | }; |
143 | ||
144 | static const struct snd_soc_dapm_route audio_map[] = { | |
b3208839 PU |
145 | /* Routings for outputs */ |
146 | {"Headset Stereophone", NULL, "HSOL"}, | |
147 | {"Headset Stereophone", NULL, "HSOR"}, | |
148 | ||
149 | {"Earphone Spk", NULL, "EP"}, | |
5e64d6aa | 150 | |
5e64d6aa MLC |
151 | {"Ext Spk", NULL, "HFL"}, |
152 | {"Ext Spk", NULL, "HFR"}, | |
153 | ||
b3208839 PU |
154 | {"Line Out", NULL, "AUXL"}, |
155 | {"Line Out", NULL, "AUXR"}, | |
156 | ||
157 | {"Vibrator", NULL, "VIBRAL"}, | |
158 | {"Vibrator", NULL, "VIBRAR"}, | |
159 | ||
160 | /* Routings for inputs */ | |
778cee7a PU |
161 | {"HSMIC", NULL, "Headset Mic"}, |
162 | {"Headset Mic", NULL, "Headset Mic Bias"}, | |
5e64d6aa | 163 | |
b3208839 PU |
164 | {"MAINMIC", NULL, "Main Handset Mic"}, |
165 | {"Main Handset Mic", NULL, "Main Mic Bias"}, | |
7254e2bd | 166 | |
b3208839 PU |
167 | {"SUBMIC", NULL, "Sub Handset Mic"}, |
168 | {"Sub Handset Mic", NULL, "Main Mic Bias"}, | |
23ac3b61 | 169 | |
b3208839 PU |
170 | {"AFML", NULL, "Line In"}, |
171 | {"AFMR", NULL, "Line In"}, | |
5e64d6aa MLC |
172 | }; |
173 | ||
4ca07cb0 PU |
174 | static inline void twl6040_disconnect_pin(struct snd_soc_dapm_context *dapm, |
175 | int connected, char *pin) | |
176 | { | |
177 | if (!connected) | |
178 | snd_soc_dapm_disable_pin(dapm, pin); | |
179 | } | |
180 | ||
13f81d65 | 181 | static int omap_abe_twl6040_init(struct snd_soc_pcm_runtime *rtd) |
5e64d6aa | 182 | { |
f0fba2ad | 183 | struct snd_soc_codec *codec = rtd->codec; |
4ca07cb0 PU |
184 | struct snd_soc_card *card = codec->card; |
185 | struct snd_soc_dapm_context *dapm = &codec->dapm; | |
186 | struct omap_abe_twl6040_data *pdata = dev_get_platdata(card->dev); | |
356bccbe | 187 | struct abe_twl6040 *priv = snd_soc_card_get_drvdata(card); |
4ca07cb0 PU |
188 | int hs_trim; |
189 | int ret = 0; | |
190 | ||
7bf3d92c PU |
191 | /* |
192 | * Configure McPDM offset cancellation based on the HSOTRIM value from | |
193 | * twl6040. | |
194 | */ | |
195 | hs_trim = twl6040_get_trim_value(codec, TWL6040_TRIM_HSOTRIM); | |
196 | omap_mcpdm_configure_dn_offsets(rtd, TWL6040_HSF_TRIM_LEFT(hs_trim), | |
197 | TWL6040_HSF_TRIM_RIGHT(hs_trim)); | |
198 | ||
4ca07cb0 | 199 | /* Headset jack detection only if it is supported */ |
356bccbe | 200 | if (priv->jack_detection) { |
4ca07cb0 PU |
201 | ret = snd_soc_jack_new(codec, "Headset Jack", |
202 | SND_JACK_HEADSET, &hs_jack); | |
203 | if (ret) | |
204 | return ret; | |
96dc227c | 205 | |
4ca07cb0 PU |
206 | ret = snd_soc_jack_add_pins(&hs_jack, ARRAY_SIZE(hs_jack_pins), |
207 | hs_jack_pins); | |
96dc227c | 208 | twl6040_hs_jack_detect(codec, &hs_jack, SND_JACK_HEADSET); |
4ca07cb0 | 209 | } |
5e64d6aa | 210 | |
5ef75e71 PU |
211 | /* |
212 | * NULL pdata means we booted with DT. In this case the routing is | |
213 | * provided and the card is fully routed, no need to mark pins. | |
214 | */ | |
215 | if (!pdata) | |
216 | return ret; | |
217 | ||
218 | /* Disable not connected paths if not used */ | |
219 | twl6040_disconnect_pin(dapm, pdata->has_hs, "Headset Stereophone"); | |
220 | twl6040_disconnect_pin(dapm, pdata->has_hf, "Ext Spk"); | |
221 | twl6040_disconnect_pin(dapm, pdata->has_ep, "Earphone Spk"); | |
222 | twl6040_disconnect_pin(dapm, pdata->has_aux, "Line Out"); | |
223 | twl6040_disconnect_pin(dapm, pdata->has_vibra, "Vinrator"); | |
224 | twl6040_disconnect_pin(dapm, pdata->has_hsmic, "Headset Mic"); | |
225 | twl6040_disconnect_pin(dapm, pdata->has_mainmic, "Main Handset Mic"); | |
226 | twl6040_disconnect_pin(dapm, pdata->has_submic, "Sub Handset Mic"); | |
227 | twl6040_disconnect_pin(dapm, pdata->has_afm, "Line In"); | |
228 | ||
5e64d6aa MLC |
229 | return ret; |
230 | } | |
231 | ||
6524c8e3 | 232 | static const struct snd_soc_dapm_route dmic_audio_map[] = { |
778cee7a PU |
233 | {"DMic", NULL, "Digital Mic"}, |
234 | {"Digital Mic", NULL, "Digital Mic1 Bias"}, | |
6524c8e3 PU |
235 | }; |
236 | ||
13f81d65 | 237 | static int omap_abe_dmic_init(struct snd_soc_pcm_runtime *rtd) |
6524c8e3 PU |
238 | { |
239 | struct snd_soc_codec *codec = rtd->codec; | |
240 | struct snd_soc_dapm_context *dapm = &codec->dapm; | |
6524c8e3 PU |
241 | |
242 | return snd_soc_dapm_add_routes(dapm, dmic_audio_map, | |
243 | ARRAY_SIZE(dmic_audio_map)); | |
244 | } | |
245 | ||
5e64d6aa | 246 | /* Digital audio interface glue - connects codec <--> CPU */ |
c2f98956 | 247 | static struct snd_soc_dai_link abe_twl6040_dai_links[] = { |
6524c8e3 PU |
248 | { |
249 | .name = "TWL6040", | |
250 | .stream_name = "TWL6040", | |
251 | .cpu_dai_name = "omap-mcpdm", | |
252 | .codec_dai_name = "twl6040-legacy", | |
253 | .platform_name = "omap-pcm-audio", | |
254 | .codec_name = "twl6040-codec", | |
13f81d65 PU |
255 | .init = omap_abe_twl6040_init, |
256 | .ops = &omap_abe_ops, | |
6524c8e3 PU |
257 | }, |
258 | { | |
259 | .name = "DMIC", | |
260 | .stream_name = "DMIC Capture", | |
261 | .cpu_dai_name = "omap-dmic", | |
262 | .codec_dai_name = "dmic-hifi", | |
263 | .platform_name = "omap-pcm-audio", | |
264 | .codec_name = "dmic-codec", | |
13f81d65 PU |
265 | .init = omap_abe_dmic_init, |
266 | .ops = &omap_abe_dmic_ops, | |
6524c8e3 | 267 | }, |
5e64d6aa MLC |
268 | }; |
269 | ||
270 | /* Audio machine driver */ | |
13f81d65 | 271 | static struct snd_soc_card omap_abe_card = { |
b425b884 | 272 | .owner = THIS_MODULE, |
fc8e5b4c | 273 | |
13f81d65 PU |
274 | .dapm_widgets = twl6040_dapm_widgets, |
275 | .num_dapm_widgets = ARRAY_SIZE(twl6040_dapm_widgets), | |
fc8e5b4c PU |
276 | .dapm_routes = audio_map, |
277 | .num_dapm_routes = ARRAY_SIZE(audio_map), | |
5e64d6aa MLC |
278 | }; |
279 | ||
d1be1d2f | 280 | static __devinit int omap_abe_probe(struct platform_device *pdev) |
5e64d6aa | 281 | { |
d1be1d2f | 282 | struct omap_abe_twl6040_data *pdata = dev_get_platdata(&pdev->dev); |
5ef75e71 | 283 | struct device_node *node = pdev->dev.of_node; |
d1be1d2f | 284 | struct snd_soc_card *card = &omap_abe_card; |
356bccbe | 285 | struct abe_twl6040 *priv; |
c2f98956 | 286 | int num_links = 0; |
5ef75e71 | 287 | int ret = 0; |
5e64d6aa | 288 | |
d1be1d2f | 289 | card->dev = &pdev->dev; |
5e64d6aa | 290 | |
356bccbe PU |
291 | priv = devm_kzalloc(&pdev->dev, sizeof(struct abe_twl6040), GFP_KERNEL); |
292 | if (priv == NULL) | |
293 | return -ENOMEM; | |
294 | ||
5ef75e71 PU |
295 | priv->dmic_codec_dev = ERR_PTR(-EINVAL); |
296 | ||
297 | if (node) { | |
298 | struct device_node *dai_node; | |
299 | ||
300 | if (snd_soc_of_parse_card_name(card, "ti,model")) { | |
301 | dev_err(&pdev->dev, "Card name is not provided\n"); | |
302 | return -ENODEV; | |
303 | } | |
304 | ||
305 | ret = snd_soc_of_parse_audio_routing(card, | |
306 | "ti,audio-routing"); | |
307 | if (ret) { | |
308 | dev_err(&pdev->dev, | |
309 | "Error while parsing DAPM routing\n"); | |
310 | return ret; | |
311 | } | |
312 | ||
313 | dai_node = of_parse_phandle(node, "ti,mcpdm", 0); | |
314 | if (!dai_node) { | |
315 | dev_err(&pdev->dev, "McPDM node is not provided\n"); | |
316 | return -EINVAL; | |
317 | } | |
318 | abe_twl6040_dai_links[0].cpu_dai_name = NULL; | |
319 | abe_twl6040_dai_links[0].cpu_of_node = dai_node; | |
320 | ||
321 | dai_node = of_parse_phandle(node, "ti,dmic", 0); | |
322 | if (dai_node) { | |
323 | num_links = 2; | |
324 | abe_twl6040_dai_links[1].cpu_dai_name = NULL; | |
325 | abe_twl6040_dai_links[1].cpu_of_node = dai_node; | |
326 | ||
327 | priv->dmic_codec_dev = platform_device_register_simple( | |
328 | "dmic-codec", -1, NULL, 0); | |
329 | if (IS_ERR(priv->dmic_codec_dev)) { | |
330 | dev_err(&pdev->dev, | |
331 | "Can't instantiate dmic-codec\n"); | |
332 | return PTR_ERR(priv->dmic_codec_dev); | |
333 | } | |
334 | } else { | |
335 | num_links = 1; | |
336 | } | |
337 | ||
338 | of_property_read_u32(node, "ti,jack-detection", | |
339 | &priv->jack_detection); | |
340 | of_property_read_u32(node, "ti,mclk-freq", | |
341 | &priv->mclk_freq); | |
342 | if (!priv->mclk_freq) { | |
343 | dev_err(&pdev->dev, "MCLK frequency not provided\n"); | |
344 | ret = -EINVAL; | |
345 | goto err_unregister; | |
346 | } | |
347 | ||
348 | omap_abe_card.fully_routed = 1; | |
349 | } else if (pdata) { | |
350 | if (pdata->card_name) { | |
351 | card->name = pdata->card_name; | |
352 | } else { | |
353 | dev_err(&pdev->dev, "Card name is not provided\n"); | |
354 | return -ENODEV; | |
355 | } | |
356 | ||
357 | if (pdata->has_dmic) | |
358 | num_links = 2; | |
359 | else | |
360 | num_links = 1; | |
361 | ||
362 | priv->jack_detection = pdata->jack_detection; | |
363 | priv->mclk_freq = pdata->mclk_freq; | |
d1be1d2f | 364 | } else { |
5ef75e71 | 365 | dev_err(&pdev->dev, "Missing pdata\n"); |
d1be1d2f PU |
366 | return -ENODEV; |
367 | } | |
5e64d6aa | 368 | |
356bccbe PU |
369 | |
370 | if (!priv->mclk_freq) { | |
62ba98ce | 371 | dev_err(&pdev->dev, "MCLK frequency missing\n"); |
5ef75e71 PU |
372 | ret = -ENODEV; |
373 | goto err_unregister; | |
62ba98ce PU |
374 | } |
375 | ||
c2f98956 PU |
376 | card->dai_link = abe_twl6040_dai_links; |
377 | card->num_links = num_links; | |
8d946dd7 | 378 | |
356bccbe PU |
379 | snd_soc_card_set_drvdata(card, priv); |
380 | ||
d1be1d2f | 381 | ret = snd_soc_register_card(card); |
5ef75e71 | 382 | if (ret) { |
d1be1d2f PU |
383 | dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", |
384 | ret); | |
5ef75e71 PU |
385 | goto err_unregister; |
386 | } | |
387 | ||
388 | return 0; | |
389 | ||
390 | err_unregister: | |
391 | if (!IS_ERR(priv->dmic_codec_dev)) | |
392 | platform_device_unregister(priv->dmic_codec_dev); | |
5e64d6aa | 393 | |
5e64d6aa MLC |
394 | return ret; |
395 | } | |
5e64d6aa | 396 | |
d1be1d2f | 397 | static int __devexit omap_abe_remove(struct platform_device *pdev) |
5e64d6aa | 398 | { |
d1be1d2f | 399 | struct snd_soc_card *card = platform_get_drvdata(pdev); |
5ef75e71 | 400 | struct abe_twl6040 *priv = snd_soc_card_get_drvdata(card); |
d1be1d2f PU |
401 | |
402 | snd_soc_unregister_card(card); | |
403 | ||
5ef75e71 PU |
404 | if (!IS_ERR(priv->dmic_codec_dev)) |
405 | platform_device_unregister(priv->dmic_codec_dev); | |
406 | ||
d1be1d2f | 407 | return 0; |
5e64d6aa | 408 | } |
d1be1d2f | 409 | |
5ef75e71 PU |
410 | static const struct of_device_id omap_abe_of_match[] = { |
411 | {.compatible = "ti,abe-twl6040", }, | |
412 | { }, | |
413 | }; | |
414 | MODULE_DEVICE_TABLE(of, omap_abe_of_match); | |
415 | ||
d1be1d2f PU |
416 | static struct platform_driver omap_abe_driver = { |
417 | .driver = { | |
418 | .name = "omap-abe-twl6040", | |
419 | .owner = THIS_MODULE, | |
420 | .pm = &snd_soc_pm_ops, | |
5ef75e71 | 421 | .of_match_table = omap_abe_of_match, |
d1be1d2f PU |
422 | }, |
423 | .probe = omap_abe_probe, | |
424 | .remove = __devexit_p(omap_abe_remove), | |
425 | }; | |
426 | ||
427 | module_platform_driver(omap_abe_driver); | |
5e64d6aa | 428 | |
8747a6b7 | 429 | MODULE_AUTHOR("Misael Lopez Cruz <misael.lopez@ti.com>"); |
13f81d65 | 430 | MODULE_DESCRIPTION("ALSA SoC for OMAP boards with ABE and twl6040 codec"); |
5e64d6aa | 431 | MODULE_LICENSE("GPL"); |
d1be1d2f | 432 | MODULE_ALIAS("platform:omap-abe-twl6040"); |