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Misael Lopez Cruz5e64d6a2010-05-17 19:53:10 -05001/*
Peter Ujfalusi13f81d62011-12-07 15:54:50 +02002 * omap-abe-twl6040.c -- SoC audio for TI OMAP based boards with ABE and
3 * twl6040 codec
Misael Lopez Cruz5e64d6a2010-05-17 19:53:10 -05004 *
Peter Ujfalusi8747a6b2011-12-07 15:31:26 +02005 * Author: Misael Lopez Cruz <misael.lopez@ti.com>
Misael Lopez Cruz5e64d6a2010-05-17 19:53:10 -05006 *
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>
Misael Lopez Cruzfb34d3d2011-05-01 21:27:00 -050025#include <linux/mfd/twl6040.h>
Peter Ujfalusid1be1d22011-12-08 11:07:42 +020026#include <linux/platform_data/omap-abe-twl6040.h>
Paul Gortmakerda155d52011-07-15 12:38:28 -040027#include <linux/module.h>
Peter Ujfalusi5ef75e72012-07-25 16:09:11 +030028#include <linux/of.h>
Misael Lopez Cruzfb34d3d2011-05-01 21:27:00 -050029
Misael Lopez Cruz5e64d6a2010-05-17 19:53:10 -050030#include <sound/core.h>
31#include <sound/pcm.h>
32#include <sound/soc.h>
Jorge Eduardo Candelaria96dc2272010-12-10 20:45:19 -060033#include <sound/jack.h>
Misael Lopez Cruz5e64d6a2010-05-17 19:53:10 -050034
Peter Ujfalusi6524c8e2011-11-28 15:45:43 +020035#include "omap-dmic.h"
Misael Lopez Cruzf5f9d7b2011-07-05 19:50:45 +030036#include "omap-mcpdm.h"
Misael Lopez Cruz5e64d6a2010-05-17 19:53:10 -050037#include "omap-pcm.h"
38#include "../codecs/twl6040.h"
39
Peter Ujfalusi356bccb2012-04-24 12:52:53 +030040struct abe_twl6040 {
41 int jack_detection; /* board can detect jack events */
42 int mclk_freq; /* MCLK frequency speed for twl6040 */
Peter Ujfalusi5ef75e72012-07-25 16:09:11 +030043
44 struct platform_device *dmic_codec_dev;
Peter Ujfalusi356bccb2012-04-24 12:52:53 +030045};
46
Peter Ujfalusi13f81d62011-12-07 15:54:50 +020047static int omap_abe_hw_params(struct snd_pcm_substream *substream,
Misael Lopez Cruz5e64d6a2010-05-17 19:53:10 -050048 struct snd_pcm_hw_params *params)
49{
50 struct snd_soc_pcm_runtime *rtd = substream->private_data;
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +000051 struct snd_soc_dai *codec_dai = rtd->codec_dai;
Peter Ujfalusi62ba98c2012-01-24 12:36:10 +020052 struct snd_soc_codec *codec = rtd->codec;
53 struct snd_soc_card *card = codec->card;
Peter Ujfalusi356bccb2012-04-24 12:52:53 +030054 struct abe_twl6040 *priv = snd_soc_card_get_drvdata(card);
Misael Lopez Cruz5e64d6a2010-05-17 19:53:10 -050055 int clk_id, freq;
56 int ret;
57
Peter Ujfalusiaf958c72011-06-27 17:03:14 +030058 clk_id = twl6040_get_clk_id(rtd->codec);
59 if (clk_id == TWL6040_SYSCLK_SEL_HPPLL)
Peter Ujfalusi356bccb2012-04-24 12:52:53 +030060 freq = priv->mclk_freq;
Peter Ujfalusiaf958c72011-06-27 17:03:14 +030061 else if (clk_id == TWL6040_SYSCLK_SEL_LPPLL)
Misael Lopez Cruz5e64d6a2010-05-17 19:53:10 -050062 freq = 32768;
Peter Ujfalusiaf958c72011-06-27 17:03:14 +030063 else
64 return -EINVAL;
Misael Lopez Cruz5e64d6a2010-05-17 19:53:10 -050065
66 /* set the codec mclk */
67 ret = snd_soc_dai_set_sysclk(codec_dai, clk_id, freq,
68 SND_SOC_CLOCK_IN);
69 if (ret) {
70 printk(KERN_ERR "can't set codec system clock\n");
71 return ret;
72 }
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +000073 return ret;
Misael Lopez Cruz5e64d6a2010-05-17 19:53:10 -050074}
75
Peter Ujfalusi13f81d62011-12-07 15:54:50 +020076static struct snd_soc_ops omap_abe_ops = {
77 .hw_params = omap_abe_hw_params,
Misael Lopez Cruz5e64d6a2010-05-17 19:53:10 -050078};
79
Peter Ujfalusi13f81d62011-12-07 15:54:50 +020080static int omap_abe_dmic_hw_params(struct snd_pcm_substream *substream,
Peter Ujfalusi6524c8e2011-11-28 15:45:43 +020081 struct snd_pcm_hw_params *params)
82{
83 struct snd_soc_pcm_runtime *rtd = substream->private_data;
84 struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
85 int ret = 0;
86
87 ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_DMIC_SYSCLK_PAD_CLKS,
88 19200000, SND_SOC_CLOCK_IN);
89 if (ret < 0) {
90 printk(KERN_ERR "can't set DMIC cpu system clock\n");
91 return ret;
92 }
93 ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_DMIC_ABE_DMIC_CLK, 2400000,
94 SND_SOC_CLOCK_OUT);
95 if (ret < 0) {
96 printk(KERN_ERR "can't set DMIC output clock\n");
97 return ret;
98 }
99 return 0;
100}
101
Peter Ujfalusi13f81d62011-12-07 15:54:50 +0200102static struct snd_soc_ops omap_abe_dmic_ops = {
103 .hw_params = omap_abe_dmic_hw_params,
Peter Ujfalusi6524c8e2011-11-28 15:45:43 +0200104};
105
Jorge Eduardo Candelaria96dc2272010-12-10 20:45:19 -0600106/* Headset jack */
107static struct snd_soc_jack hs_jack;
108
109/*Headset jack detection DAPM pins */
110static struct snd_soc_jack_pin hs_jack_pins[] = {
111 {
112 .pin = "Headset Mic",
113 .mask = SND_JACK_MICROPHONE,
114 },
115 {
116 .pin = "Headset Stereophone",
117 .mask = SND_JACK_HEADPHONE,
118 },
119};
120
Misael Lopez Cruz5e64d6a2010-05-17 19:53:10 -0500121/* SDP4430 machine DAPM */
Peter Ujfalusi13f81d62011-12-07 15:54:50 +0200122static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = {
Peter Ujfalusib3208832011-12-22 12:55:49 +0200123 /* Outputs */
Misael Lopez Cruz5e64d6a2010-05-17 19:53:10 -0500124 SND_SOC_DAPM_HP("Headset Stereophone", NULL),
Jorge Eduardo Candelaria7254e2b2010-05-18 12:44:17 -0500125 SND_SOC_DAPM_SPK("Earphone Spk", NULL),
Peter Ujfalusib3208832011-12-22 12:55:49 +0200126 SND_SOC_DAPM_SPK("Ext Spk", NULL),
127 SND_SOC_DAPM_LINE("Line Out", NULL),
128 SND_SOC_DAPM_SPK("Vibrator", NULL),
129
130 /* Inputs */
131 SND_SOC_DAPM_MIC("Headset Mic", NULL),
132 SND_SOC_DAPM_MIC("Main Handset Mic", NULL),
133 SND_SOC_DAPM_MIC("Sub Handset Mic", NULL),
134 SND_SOC_DAPM_LINE("Line In", NULL),
Peter Ujfalusi7d09f9e2012-04-24 12:41:32 +0300135
136 /* Digital microphones */
137 SND_SOC_DAPM_MIC("Digital Mic", NULL),
Misael Lopez Cruz5e64d6a2010-05-17 19:53:10 -0500138};
139
140static const struct snd_soc_dapm_route audio_map[] = {
Peter Ujfalusib3208832011-12-22 12:55:49 +0200141 /* Routings for outputs */
Misael Lopez Cruz5e64d6a2010-05-17 19:53:10 -0500142 {"Headset Stereophone", NULL, "HSOL"},
143 {"Headset Stereophone", NULL, "HSOR"},
Jorge Eduardo Candelaria7254e2b2010-05-18 12:44:17 -0500144
Jorge Eduardo Candelaria7254e2b2010-05-18 12:44:17 -0500145 {"Earphone Spk", NULL, "EP"},
Jorge Eduardo Candelaria23ac3b62010-12-08 10:55:05 -0600146
Peter Ujfalusib3208832011-12-22 12:55:49 +0200147 {"Ext Spk", NULL, "HFL"},
148 {"Ext Spk", NULL, "HFR"},
149
150 {"Line Out", NULL, "AUXL"},
151 {"Line Out", NULL, "AUXR"},
152
153 {"Vibrator", NULL, "VIBRAL"},
154 {"Vibrator", NULL, "VIBRAR"},
155
156 /* Routings for inputs */
157 {"HSMIC", NULL, "Headset Mic"},
158 {"Headset Mic", NULL, "Headset Mic Bias"},
159
160 {"MAINMIC", NULL, "Main Handset Mic"},
161 {"Main Handset Mic", NULL, "Main Mic Bias"},
162
163 {"SUBMIC", NULL, "Sub Handset Mic"},
164 {"Sub Handset Mic", NULL, "Main Mic Bias"},
165
166 {"AFML", NULL, "Line In"},
167 {"AFMR", NULL, "Line In"},
Misael Lopez Cruz5e64d6a2010-05-17 19:53:10 -0500168};
169
Peter Ujfalusi4ca07cb2011-12-22 13:58:01 +0200170static inline void twl6040_disconnect_pin(struct snd_soc_dapm_context *dapm,
171 int connected, char *pin)
172{
173 if (!connected)
174 snd_soc_dapm_disable_pin(dapm, pin);
175}
176
Peter Ujfalusi13f81d62011-12-07 15:54:50 +0200177static int omap_abe_twl6040_init(struct snd_soc_pcm_runtime *rtd)
Misael Lopez Cruz5e64d6a2010-05-17 19:53:10 -0500178{
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000179 struct snd_soc_codec *codec = rtd->codec;
Peter Ujfalusi4ca07cb2011-12-22 13:58:01 +0200180 struct snd_soc_card *card = codec->card;
181 struct snd_soc_dapm_context *dapm = &codec->dapm;
182 struct omap_abe_twl6040_data *pdata = dev_get_platdata(card->dev);
Peter Ujfalusi356bccb2012-04-24 12:52:53 +0300183 struct abe_twl6040 *priv = snd_soc_card_get_drvdata(card);
Peter Ujfalusi4ca07cb2011-12-22 13:58:01 +0200184 int hs_trim;
185 int ret = 0;
186
Peter Ujfalusi7bf3d922011-09-26 16:05:59 +0300187 /*
188 * Configure McPDM offset cancellation based on the HSOTRIM value from
189 * twl6040.
190 */
191 hs_trim = twl6040_get_trim_value(codec, TWL6040_TRIM_HSOTRIM);
192 omap_mcpdm_configure_dn_offsets(rtd, TWL6040_HSF_TRIM_LEFT(hs_trim),
193 TWL6040_HSF_TRIM_RIGHT(hs_trim));
194
Peter Ujfalusi4ca07cb2011-12-22 13:58:01 +0200195 /* Headset jack detection only if it is supported */
Peter Ujfalusi356bccb2012-04-24 12:52:53 +0300196 if (priv->jack_detection) {
Peter Ujfalusi4ca07cb2011-12-22 13:58:01 +0200197 ret = snd_soc_jack_new(codec, "Headset Jack",
198 SND_JACK_HEADSET, &hs_jack);
199 if (ret)
200 return ret;
Jorge Eduardo Candelaria96dc2272010-12-10 20:45:19 -0600201
Peter Ujfalusi4ca07cb2011-12-22 13:58:01 +0200202 ret = snd_soc_jack_add_pins(&hs_jack, ARRAY_SIZE(hs_jack_pins),
203 hs_jack_pins);
Jorge Eduardo Candelaria96dc2272010-12-10 20:45:19 -0600204 twl6040_hs_jack_detect(codec, &hs_jack, SND_JACK_HEADSET);
Peter Ujfalusi4ca07cb2011-12-22 13:58:01 +0200205 }
Misael Lopez Cruz5e64d6a2010-05-17 19:53:10 -0500206
Peter Ujfalusi5ef75e72012-07-25 16:09:11 +0300207 /*
208 * NULL pdata means we booted with DT. In this case the routing is
209 * provided and the card is fully routed, no need to mark pins.
210 */
211 if (!pdata)
212 return ret;
213
214 /* Disable not connected paths if not used */
215 twl6040_disconnect_pin(dapm, pdata->has_hs, "Headset Stereophone");
216 twl6040_disconnect_pin(dapm, pdata->has_hf, "Ext Spk");
217 twl6040_disconnect_pin(dapm, pdata->has_ep, "Earphone Spk");
218 twl6040_disconnect_pin(dapm, pdata->has_aux, "Line Out");
Peter Ujfalusi034940a2012-10-02 15:31:16 +0300219 twl6040_disconnect_pin(dapm, pdata->has_vibra, "Vibrator");
Peter Ujfalusi5ef75e72012-07-25 16:09:11 +0300220 twl6040_disconnect_pin(dapm, pdata->has_hsmic, "Headset Mic");
221 twl6040_disconnect_pin(dapm, pdata->has_mainmic, "Main Handset Mic");
222 twl6040_disconnect_pin(dapm, pdata->has_submic, "Sub Handset Mic");
223 twl6040_disconnect_pin(dapm, pdata->has_afm, "Line In");
224
Misael Lopez Cruz5e64d6a2010-05-17 19:53:10 -0500225 return ret;
226}
227
Peter Ujfalusi6524c8e2011-11-28 15:45:43 +0200228static const struct snd_soc_dapm_route dmic_audio_map[] = {
Peter Ujfalusi778cee72011-12-22 12:47:21 +0200229 {"DMic", NULL, "Digital Mic"},
230 {"Digital Mic", NULL, "Digital Mic1 Bias"},
Peter Ujfalusi6524c8e2011-11-28 15:45:43 +0200231};
232
Peter Ujfalusi13f81d62011-12-07 15:54:50 +0200233static int omap_abe_dmic_init(struct snd_soc_pcm_runtime *rtd)
Peter Ujfalusi6524c8e2011-11-28 15:45:43 +0200234{
235 struct snd_soc_codec *codec = rtd->codec;
236 struct snd_soc_dapm_context *dapm = &codec->dapm;
Peter Ujfalusi6524c8e2011-11-28 15:45:43 +0200237
238 return snd_soc_dapm_add_routes(dapm, dmic_audio_map,
239 ARRAY_SIZE(dmic_audio_map));
240}
241
Misael Lopez Cruz5e64d6a2010-05-17 19:53:10 -0500242/* Digital audio interface glue - connects codec <--> CPU */
Peter Ujfalusic2f98952012-04-24 12:36:25 +0300243static struct snd_soc_dai_link abe_twl6040_dai_links[] = {
Peter Ujfalusi6524c8e2011-11-28 15:45:43 +0200244 {
245 .name = "TWL6040",
246 .stream_name = "TWL6040",
247 .cpu_dai_name = "omap-mcpdm",
248 .codec_dai_name = "twl6040-legacy",
249 .platform_name = "omap-pcm-audio",
250 .codec_name = "twl6040-codec",
Peter Ujfalusi13f81d62011-12-07 15:54:50 +0200251 .init = omap_abe_twl6040_init,
252 .ops = &omap_abe_ops,
Peter Ujfalusi6524c8e2011-11-28 15:45:43 +0200253 },
254 {
255 .name = "DMIC",
256 .stream_name = "DMIC Capture",
257 .cpu_dai_name = "omap-dmic",
258 .codec_dai_name = "dmic-hifi",
259 .platform_name = "omap-pcm-audio",
260 .codec_name = "dmic-codec",
Peter Ujfalusi13f81d62011-12-07 15:54:50 +0200261 .init = omap_abe_dmic_init,
262 .ops = &omap_abe_dmic_ops,
Peter Ujfalusi6524c8e2011-11-28 15:45:43 +0200263 },
Misael Lopez Cruz5e64d6a2010-05-17 19:53:10 -0500264};
265
266/* Audio machine driver */
Peter Ujfalusi13f81d62011-12-07 15:54:50 +0200267static struct snd_soc_card omap_abe_card = {
Axel Linb425b882011-12-22 11:08:59 +0800268 .owner = THIS_MODULE,
Peter Ujfalusifc8e5b42011-10-10 15:34:15 +0300269
Peter Ujfalusi13f81d62011-12-07 15:54:50 +0200270 .dapm_widgets = twl6040_dapm_widgets,
271 .num_dapm_widgets = ARRAY_SIZE(twl6040_dapm_widgets),
Peter Ujfalusifc8e5b42011-10-10 15:34:15 +0300272 .dapm_routes = audio_map,
273 .num_dapm_routes = ARRAY_SIZE(audio_map),
Misael Lopez Cruz5e64d6a2010-05-17 19:53:10 -0500274};
275
Bill Pemberton7ff60002012-12-07 09:26:29 -0500276static int omap_abe_probe(struct platform_device *pdev)
Misael Lopez Cruz5e64d6a2010-05-17 19:53:10 -0500277{
Peter Ujfalusid1be1d22011-12-08 11:07:42 +0200278 struct omap_abe_twl6040_data *pdata = dev_get_platdata(&pdev->dev);
Peter Ujfalusi5ef75e72012-07-25 16:09:11 +0300279 struct device_node *node = pdev->dev.of_node;
Peter Ujfalusid1be1d22011-12-08 11:07:42 +0200280 struct snd_soc_card *card = &omap_abe_card;
Peter Ujfalusi356bccb2012-04-24 12:52:53 +0300281 struct abe_twl6040 *priv;
Peter Ujfalusic2f98952012-04-24 12:36:25 +0300282 int num_links = 0;
Peter Ujfalusi5ef75e72012-07-25 16:09:11 +0300283 int ret = 0;
Misael Lopez Cruz5e64d6a2010-05-17 19:53:10 -0500284
Peter Ujfalusid1be1d22011-12-08 11:07:42 +0200285 card->dev = &pdev->dev;
Misael Lopez Cruz5e64d6a2010-05-17 19:53:10 -0500286
Peter Ujfalusi356bccb2012-04-24 12:52:53 +0300287 priv = devm_kzalloc(&pdev->dev, sizeof(struct abe_twl6040), GFP_KERNEL);
288 if (priv == NULL)
289 return -ENOMEM;
290
Peter Ujfalusi5ef75e72012-07-25 16:09:11 +0300291 priv->dmic_codec_dev = ERR_PTR(-EINVAL);
292
293 if (node) {
294 struct device_node *dai_node;
295
296 if (snd_soc_of_parse_card_name(card, "ti,model")) {
297 dev_err(&pdev->dev, "Card name is not provided\n");
298 return -ENODEV;
299 }
300
301 ret = snd_soc_of_parse_audio_routing(card,
302 "ti,audio-routing");
303 if (ret) {
304 dev_err(&pdev->dev,
305 "Error while parsing DAPM routing\n");
306 return ret;
307 }
308
309 dai_node = of_parse_phandle(node, "ti,mcpdm", 0);
310 if (!dai_node) {
311 dev_err(&pdev->dev, "McPDM node is not provided\n");
312 return -EINVAL;
313 }
314 abe_twl6040_dai_links[0].cpu_dai_name = NULL;
315 abe_twl6040_dai_links[0].cpu_of_node = dai_node;
316
317 dai_node = of_parse_phandle(node, "ti,dmic", 0);
318 if (dai_node) {
319 num_links = 2;
320 abe_twl6040_dai_links[1].cpu_dai_name = NULL;
321 abe_twl6040_dai_links[1].cpu_of_node = dai_node;
322
323 priv->dmic_codec_dev = platform_device_register_simple(
324 "dmic-codec", -1, NULL, 0);
325 if (IS_ERR(priv->dmic_codec_dev)) {
326 dev_err(&pdev->dev,
327 "Can't instantiate dmic-codec\n");
328 return PTR_ERR(priv->dmic_codec_dev);
329 }
330 } else {
331 num_links = 1;
332 }
333
Peter Ujfalusi1c08e7e2012-11-28 11:35:43 +0100334 priv->jack_detection = of_property_read_bool(node,
335 "ti,jack-detection");
Peter Ujfalusi5ef75e72012-07-25 16:09:11 +0300336 of_property_read_u32(node, "ti,mclk-freq",
337 &priv->mclk_freq);
338 if (!priv->mclk_freq) {
339 dev_err(&pdev->dev, "MCLK frequency not provided\n");
340 ret = -EINVAL;
341 goto err_unregister;
342 }
343
344 omap_abe_card.fully_routed = 1;
345 } else if (pdata) {
346 if (pdata->card_name) {
347 card->name = pdata->card_name;
348 } else {
349 dev_err(&pdev->dev, "Card name is not provided\n");
350 return -ENODEV;
351 }
352
353 if (pdata->has_dmic)
354 num_links = 2;
355 else
356 num_links = 1;
357
358 priv->jack_detection = pdata->jack_detection;
359 priv->mclk_freq = pdata->mclk_freq;
Peter Ujfalusid1be1d22011-12-08 11:07:42 +0200360 } else {
Peter Ujfalusi5ef75e72012-07-25 16:09:11 +0300361 dev_err(&pdev->dev, "Missing pdata\n");
Peter Ujfalusid1be1d22011-12-08 11:07:42 +0200362 return -ENODEV;
363 }
Misael Lopez Cruz5e64d6a2010-05-17 19:53:10 -0500364
Peter Ujfalusi356bccb2012-04-24 12:52:53 +0300365
366 if (!priv->mclk_freq) {
Peter Ujfalusi62ba98c2012-01-24 12:36:10 +0200367 dev_err(&pdev->dev, "MCLK frequency missing\n");
Peter Ujfalusi5ef75e72012-07-25 16:09:11 +0300368 ret = -ENODEV;
369 goto err_unregister;
Peter Ujfalusi62ba98c2012-01-24 12:36:10 +0200370 }
371
Peter Ujfalusic2f98952012-04-24 12:36:25 +0300372 card->dai_link = abe_twl6040_dai_links;
373 card->num_links = num_links;
Peter Ujfalusi8d946dd2011-12-22 13:10:02 +0200374
Peter Ujfalusi356bccb2012-04-24 12:52:53 +0300375 snd_soc_card_set_drvdata(card, priv);
376
Peter Ujfalusid1be1d22011-12-08 11:07:42 +0200377 ret = snd_soc_register_card(card);
Peter Ujfalusi5ef75e72012-07-25 16:09:11 +0300378 if (ret) {
Peter Ujfalusid1be1d22011-12-08 11:07:42 +0200379 dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
380 ret);
Peter Ujfalusi5ef75e72012-07-25 16:09:11 +0300381 goto err_unregister;
382 }
383
384 return 0;
385
386err_unregister:
387 if (!IS_ERR(priv->dmic_codec_dev))
388 platform_device_unregister(priv->dmic_codec_dev);
Misael Lopez Cruz5e64d6a2010-05-17 19:53:10 -0500389
Misael Lopez Cruz5e64d6a2010-05-17 19:53:10 -0500390 return ret;
391}
Misael Lopez Cruz5e64d6a2010-05-17 19:53:10 -0500392
Bill Pemberton7ff60002012-12-07 09:26:29 -0500393static int omap_abe_remove(struct platform_device *pdev)
Misael Lopez Cruz5e64d6a2010-05-17 19:53:10 -0500394{
Peter Ujfalusid1be1d22011-12-08 11:07:42 +0200395 struct snd_soc_card *card = platform_get_drvdata(pdev);
Peter Ujfalusi5ef75e72012-07-25 16:09:11 +0300396 struct abe_twl6040 *priv = snd_soc_card_get_drvdata(card);
Peter Ujfalusid1be1d22011-12-08 11:07:42 +0200397
398 snd_soc_unregister_card(card);
399
Peter Ujfalusi5ef75e72012-07-25 16:09:11 +0300400 if (!IS_ERR(priv->dmic_codec_dev))
401 platform_device_unregister(priv->dmic_codec_dev);
402
Peter Ujfalusid1be1d22011-12-08 11:07:42 +0200403 return 0;
Misael Lopez Cruz5e64d6a2010-05-17 19:53:10 -0500404}
Peter Ujfalusid1be1d22011-12-08 11:07:42 +0200405
Peter Ujfalusi5ef75e72012-07-25 16:09:11 +0300406static const struct of_device_id omap_abe_of_match[] = {
407 {.compatible = "ti,abe-twl6040", },
408 { },
409};
410MODULE_DEVICE_TABLE(of, omap_abe_of_match);
411
Peter Ujfalusid1be1d22011-12-08 11:07:42 +0200412static struct platform_driver omap_abe_driver = {
413 .driver = {
414 .name = "omap-abe-twl6040",
415 .owner = THIS_MODULE,
416 .pm = &snd_soc_pm_ops,
Peter Ujfalusi5ef75e72012-07-25 16:09:11 +0300417 .of_match_table = omap_abe_of_match,
Peter Ujfalusid1be1d22011-12-08 11:07:42 +0200418 },
419 .probe = omap_abe_probe,
Bill Pemberton7ff60002012-12-07 09:26:29 -0500420 .remove = omap_abe_remove,
Peter Ujfalusid1be1d22011-12-08 11:07:42 +0200421};
422
423module_platform_driver(omap_abe_driver);
Misael Lopez Cruz5e64d6a2010-05-17 19:53:10 -0500424
Peter Ujfalusi8747a6b2011-12-07 15:31:26 +0200425MODULE_AUTHOR("Misael Lopez Cruz <misael.lopez@ti.com>");
Peter Ujfalusi13f81d62011-12-07 15:54:50 +0200426MODULE_DESCRIPTION("ALSA SoC for OMAP boards with ABE and twl6040 codec");
Misael Lopez Cruz5e64d6a2010-05-17 19:53:10 -0500427MODULE_LICENSE("GPL");
Peter Ujfalusid1be1d22011-12-08 11:07:42 +0200428MODULE_ALIAS("platform:omap-abe-twl6040");