Commit | Line | Data |
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310355c1 VB |
1 | /* |
2 | * ASoC driver for TI DAVINCI EVM platform | |
3 | * | |
d6b52039 | 4 | * Author: Vladimir Barinov, <vbarinov@embeddedalley.com> |
310355c1 VB |
5 | * Copyright: (C) 2007 MontaVista Software, Inc., <source@mvista.com> |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License version 2 as | |
9 | * published by the Free Software Foundation. | |
10 | */ | |
11 | ||
12 | #include <linux/module.h> | |
13 | #include <linux/moduleparam.h> | |
14 | #include <linux/timer.h> | |
15 | #include <linux/interrupt.h> | |
16 | #include <linux/platform_device.h> | |
3ad7a42d | 17 | #include <linux/platform_data/edma.h> |
aa6b904e | 18 | #include <linux/i2c.h> |
ee2f615d | 19 | #include <linux/of_platform.h> |
310355c1 VB |
20 | #include <sound/core.h> |
21 | #include <sound/pcm.h> | |
22 | #include <sound/soc.h> | |
310355c1 | 23 | |
310355c1 | 24 | #include <asm/dma.h> |
f492ec9f DB |
25 | #include <asm/mach-types.h> |
26 | ||
ee2f615d HG |
27 | #include <linux/edma.h> |
28 | ||
310355c1 VB |
29 | #include "davinci-pcm.h" |
30 | #include "davinci-i2s.h" | |
310355c1 | 31 | |
bcf25567 JS |
32 | struct snd_soc_card_drvdata_davinci { |
33 | unsigned sysclk; | |
34 | }; | |
35 | ||
310355c1 VB |
36 | static int evm_hw_params(struct snd_pcm_substream *substream, |
37 | struct snd_pcm_hw_params *params) | |
38 | { | |
39 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
f0fba2ad LG |
40 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
41 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
bcf25567 JS |
42 | struct snd_soc_codec *codec = rtd->codec; |
43 | struct snd_soc_card *soc_card = codec->card; | |
310355c1 | 44 | int ret = 0; |
bcf25567 JS |
45 | unsigned sysclk = ((struct snd_soc_card_drvdata_davinci *) |
46 | snd_soc_card_get_drvdata(soc_card))->sysclk; | |
310355c1 | 47 | |
310355c1 | 48 | /* set the codec system clock */ |
05d5e991 | 49 | ret = snd_soc_dai_set_sysclk(codec_dai, 0, sysclk, SND_SOC_CLOCK_OUT); |
310355c1 VB |
50 | if (ret < 0) |
51 | return ret; | |
52 | ||
5b66aa2d DM |
53 | /* set the CPU system clock */ |
54 | ret = snd_soc_dai_set_sysclk(cpu_dai, 0, sysclk, SND_SOC_CLOCK_OUT); | |
55 | if (ret < 0) | |
56 | return ret; | |
57 | ||
310355c1 VB |
58 | return 0; |
59 | } | |
60 | ||
61 | static struct snd_soc_ops evm_ops = { | |
62 | .hw_params = evm_hw_params, | |
63 | }; | |
64 | ||
65 | /* davinci-evm machine dapm widgets */ | |
66 | static const struct snd_soc_dapm_widget aic3x_dapm_widgets[] = { | |
67 | SND_SOC_DAPM_HP("Headphone Jack", NULL), | |
68 | SND_SOC_DAPM_LINE("Line Out", NULL), | |
69 | SND_SOC_DAPM_MIC("Mic Jack", NULL), | |
70 | SND_SOC_DAPM_LINE("Line In", NULL), | |
71 | }; | |
72 | ||
73 | /* davinci-evm machine audio_mapnections to the codec pins */ | |
acf497f9 | 74 | static const struct snd_soc_dapm_route audio_map[] = { |
310355c1 VB |
75 | /* Headphone connected to HPLOUT, HPROUT */ |
76 | {"Headphone Jack", NULL, "HPLOUT"}, | |
77 | {"Headphone Jack", NULL, "HPROUT"}, | |
78 | ||
79 | /* Line Out connected to LLOUT, RLOUT */ | |
80 | {"Line Out", NULL, "LLOUT"}, | |
81 | {"Line Out", NULL, "RLOUT"}, | |
82 | ||
83 | /* Mic connected to (MIC3L | MIC3R) */ | |
e2e8bfdf HG |
84 | {"MIC3L", NULL, "Mic Bias"}, |
85 | {"MIC3R", NULL, "Mic Bias"}, | |
86 | {"Mic Bias", NULL, "Mic Jack"}, | |
310355c1 VB |
87 | |
88 | /* Line In connected to (LINE1L | LINE2L), (LINE1R | LINE2R) */ | |
89 | {"LINE1L", NULL, "Line In"}, | |
90 | {"LINE2L", NULL, "Line In"}, | |
91 | {"LINE1R", NULL, "Line In"}, | |
92 | {"LINE2R", NULL, "Line In"}, | |
310355c1 VB |
93 | }; |
94 | ||
95 | /* Logic for a aic3x as connected on a davinci-evm */ | |
f0fba2ad | 96 | static int evm_aic3x_init(struct snd_soc_pcm_runtime *rtd) |
310355c1 | 97 | { |
f0fba2ad | 98 | struct snd_soc_codec *codec = rtd->codec; |
ce6120cc | 99 | struct snd_soc_dapm_context *dapm = &codec->dapm; |
ee2f615d HG |
100 | struct device_node *np = codec->card->dev->of_node; |
101 | int ret; | |
f0fba2ad | 102 | |
310355c1 | 103 | /* Add davinci-evm specific widgets */ |
ce6120cc | 104 | snd_soc_dapm_new_controls(dapm, aic3x_dapm_widgets, |
acf497f9 | 105 | ARRAY_SIZE(aic3x_dapm_widgets)); |
310355c1 | 106 | |
ee2f615d HG |
107 | if (np) { |
108 | ret = snd_soc_of_parse_audio_routing(codec->card, | |
109 | "ti,audio-routing"); | |
110 | if (ret) | |
111 | return ret; | |
112 | } else { | |
113 | /* Set up davinci-evm specific audio path audio_map */ | |
114 | snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map)); | |
115 | } | |
310355c1 VB |
116 | |
117 | /* not connected */ | |
ce6120cc LG |
118 | snd_soc_dapm_disable_pin(dapm, "MONO_LOUT"); |
119 | snd_soc_dapm_disable_pin(dapm, "HPLCOM"); | |
120 | snd_soc_dapm_disable_pin(dapm, "HPRCOM"); | |
310355c1 VB |
121 | |
122 | /* always connected */ | |
ce6120cc LG |
123 | snd_soc_dapm_enable_pin(dapm, "Headphone Jack"); |
124 | snd_soc_dapm_enable_pin(dapm, "Line Out"); | |
125 | snd_soc_dapm_enable_pin(dapm, "Mic Jack"); | |
126 | snd_soc_dapm_enable_pin(dapm, "Line In"); | |
310355c1 | 127 | |
310355c1 VB |
128 | return 0; |
129 | } | |
130 | ||
131 | /* davinci-evm digital audio interface glue - connects codec <--> CPU */ | |
bedad0ca | 132 | static struct snd_soc_dai_link dm6446_evm_dai = { |
310355c1 VB |
133 | .name = "TLV320AIC3X", |
134 | .stream_name = "AIC3X", | |
bedad0ca | 135 | .cpu_dai_name = "davinci-mcbsp", |
f0fba2ad | 136 | .codec_dai_name = "tlv320aic3x-hifi", |
bedad0ca | 137 | .codec_name = "tlv320aic3x-codec.1-001b", |
f08095a4 | 138 | .platform_name = "davinci-mcbsp", |
bedad0ca CPE |
139 | .init = evm_aic3x_init, |
140 | .ops = &evm_ops, | |
d38970e1 PU |
141 | .dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM | |
142 | SND_SOC_DAIFMT_IB_NF, | |
bedad0ca CPE |
143 | }; |
144 | ||
145 | static struct snd_soc_dai_link dm355_evm_dai = { | |
146 | .name = "TLV320AIC3X", | |
147 | .stream_name = "AIC3X", | |
148 | .cpu_dai_name = "davinci-mcbsp.1", | |
149 | .codec_dai_name = "tlv320aic3x-hifi", | |
150 | .codec_name = "tlv320aic3x-codec.1-001b", | |
f08095a4 | 151 | .platform_name = "davinci-mcbsp.1", |
310355c1 VB |
152 | .init = evm_aic3x_init, |
153 | .ops = &evm_ops, | |
d38970e1 PU |
154 | .dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM | |
155 | SND_SOC_DAIFMT_IB_NF, | |
310355c1 VB |
156 | }; |
157 | ||
aa9b88ee MA |
158 | static struct snd_soc_dai_link dm365_evm_dai = { |
159 | #ifdef CONFIG_SND_DM365_AIC3X_CODEC | |
160 | .name = "TLV320AIC3X", | |
161 | .stream_name = "AIC3X", | |
bedad0ca | 162 | .cpu_dai_name = "davinci-mcbsp", |
f0fba2ad | 163 | .codec_dai_name = "tlv320aic3x-hifi", |
bedad0ca | 164 | .codec_name = "tlv320aic3x-codec.1-0018", |
f08095a4 | 165 | .platform_name = "davinci-mcbsp", |
d38970e1 PU |
166 | .init = evm_aic3x_init, |
167 | .ops = &evm_ops, | |
168 | .dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM | | |
169 | SND_SOC_DAIFMT_IB_NF, | |
aa9b88ee MA |
170 | #elif defined(CONFIG_SND_DM365_VOICE_CODEC) |
171 | .name = "Voice Codec - CQ93VC", | |
172 | .stream_name = "CQ93", | |
f0fba2ad LG |
173 | .cpu_dai_name = "davinci-vcif", |
174 | .codec_dai_name = "cq93vc-hifi", | |
175 | .codec_name = "cq93vc-codec", | |
ffb690d5 | 176 | .platform_name = "davinci-vcif", |
aa9b88ee MA |
177 | #endif |
178 | }; | |
179 | ||
04f80f5c C |
180 | static struct snd_soc_dai_link dm6467_evm_dai[] = { |
181 | { | |
182 | .name = "TLV320AIC3X", | |
183 | .stream_name = "AIC3X", | |
f0fba2ad LG |
184 | .cpu_dai_name= "davinci-mcasp.0", |
185 | .codec_dai_name = "tlv320aic3x-hifi", | |
f08095a4 | 186 | .platform_name = "davinci-mcasp.0", |
f0fba2ad | 187 | .codec_name = "tlv320aic3x-codec.0-001a", |
04f80f5c C |
188 | .init = evm_aic3x_init, |
189 | .ops = &evm_ops, | |
d38970e1 PU |
190 | .dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM | |
191 | SND_SOC_DAIFMT_IB_NF, | |
04f80f5c C |
192 | }, |
193 | { | |
194 | .name = "McASP", | |
195 | .stream_name = "spdif", | |
f0fba2ad LG |
196 | .cpu_dai_name= "davinci-mcasp.1", |
197 | .codec_dai_name = "dit-hifi", | |
198 | .codec_name = "spdif_dit", | |
f08095a4 | 199 | .platform_name = "davinci-mcasp.1", |
d38970e1 PU |
200 | .dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM | |
201 | SND_SOC_DAIFMT_IB_NF, | |
04f80f5c C |
202 | }, |
203 | }; | |
f9eb9dd1 VB |
204 | |
205 | static struct snd_soc_dai_link da830_evm_dai = { | |
206 | .name = "TLV320AIC3X", | |
207 | .stream_name = "AIC3X", | |
208 | .cpu_dai_name = "davinci-mcasp.1", | |
209 | .codec_dai_name = "tlv320aic3x-hifi", | |
210 | .codec_name = "tlv320aic3x-codec.1-0018", | |
f08095a4 | 211 | .platform_name = "davinci-mcasp.1", |
f9eb9dd1 VB |
212 | .init = evm_aic3x_init, |
213 | .ops = &evm_ops, | |
d38970e1 PU |
214 | .dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM | |
215 | SND_SOC_DAIFMT_IB_NF, | |
f9eb9dd1 VB |
216 | }; |
217 | ||
218 | static struct snd_soc_dai_link da850_evm_dai = { | |
7ae5945f C |
219 | .name = "TLV320AIC3X", |
220 | .stream_name = "AIC3X", | |
f0fba2ad LG |
221 | .cpu_dai_name= "davinci-mcasp.0", |
222 | .codec_dai_name = "tlv320aic3x-hifi", | |
dc5a460a | 223 | .codec_name = "tlv320aic3x-codec.1-0018", |
f08095a4 | 224 | .platform_name = "davinci-mcasp.0", |
7ae5945f C |
225 | .init = evm_aic3x_init, |
226 | .ops = &evm_ops, | |
d38970e1 PU |
227 | .dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM | |
228 | SND_SOC_DAIFMT_IB_NF, | |
7ae5945f | 229 | }; |
04f80f5c | 230 | |
bedad0ca | 231 | /* davinci dm6446 evm audio machine driver */ |
bcf25567 JS |
232 | /* |
233 | * ASP0 in DM6446 EVM is clocked by U55, as configured by | |
234 | * board-dm644x-evm.c using GPIOs from U18. There are six | |
235 | * options; here we "know" we use a 48 KHz sample rate. | |
236 | */ | |
237 | static struct snd_soc_card_drvdata_davinci dm6446_snd_soc_card_drvdata = { | |
238 | .sysclk = 12288000, | |
239 | }; | |
240 | ||
bedad0ca CPE |
241 | static struct snd_soc_card dm6446_snd_soc_card_evm = { |
242 | .name = "DaVinci DM6446 EVM", | |
36a16d1a | 243 | .owner = THIS_MODULE, |
bedad0ca CPE |
244 | .dai_link = &dm6446_evm_dai, |
245 | .num_links = 1, | |
bcf25567 | 246 | .drvdata = &dm6446_snd_soc_card_drvdata, |
bedad0ca CPE |
247 | }; |
248 | ||
249 | /* davinci dm355 evm audio machine driver */ | |
bcf25567 JS |
250 | /* ASP1 on DM355 EVM is clocked by an external oscillator */ |
251 | static struct snd_soc_card_drvdata_davinci dm355_snd_soc_card_drvdata = { | |
252 | .sysclk = 27000000, | |
253 | }; | |
254 | ||
bedad0ca CPE |
255 | static struct snd_soc_card dm355_snd_soc_card_evm = { |
256 | .name = "DaVinci DM355 EVM", | |
36a16d1a | 257 | .owner = THIS_MODULE, |
bedad0ca | 258 | .dai_link = &dm355_evm_dai, |
310355c1 | 259 | .num_links = 1, |
bcf25567 | 260 | .drvdata = &dm355_snd_soc_card_drvdata, |
310355c1 VB |
261 | }; |
262 | ||
aa9b88ee | 263 | /* davinci dm365 evm audio machine driver */ |
bcf25567 JS |
264 | static struct snd_soc_card_drvdata_davinci dm365_snd_soc_card_drvdata = { |
265 | .sysclk = 27000000, | |
266 | }; | |
267 | ||
aa9b88ee MA |
268 | static struct snd_soc_card dm365_snd_soc_card_evm = { |
269 | .name = "DaVinci DM365 EVM", | |
36a16d1a | 270 | .owner = THIS_MODULE, |
aa9b88ee MA |
271 | .dai_link = &dm365_evm_dai, |
272 | .num_links = 1, | |
bcf25567 | 273 | .drvdata = &dm365_snd_soc_card_drvdata, |
aa9b88ee MA |
274 | }; |
275 | ||
04f80f5c | 276 | /* davinci dm6467 evm audio machine driver */ |
bcf25567 JS |
277 | static struct snd_soc_card_drvdata_davinci dm6467_snd_soc_card_drvdata = { |
278 | .sysclk = 27000000, | |
279 | }; | |
280 | ||
04f80f5c C |
281 | static struct snd_soc_card dm6467_snd_soc_card_evm = { |
282 | .name = "DaVinci DM6467 EVM", | |
36a16d1a | 283 | .owner = THIS_MODULE, |
04f80f5c C |
284 | .dai_link = dm6467_evm_dai, |
285 | .num_links = ARRAY_SIZE(dm6467_evm_dai), | |
bcf25567 JS |
286 | .drvdata = &dm6467_snd_soc_card_drvdata, |
287 | }; | |
288 | ||
289 | static struct snd_soc_card_drvdata_davinci da830_snd_soc_card_drvdata = { | |
290 | .sysclk = 24576000, | |
04f80f5c C |
291 | }; |
292 | ||
7ae5945f | 293 | static struct snd_soc_card da830_snd_soc_card = { |
30230f4c | 294 | .name = "DA830/OMAP-L137 EVM", |
36a16d1a | 295 | .owner = THIS_MODULE, |
f9eb9dd1 | 296 | .dai_link = &da830_evm_dai, |
30230f4c | 297 | .num_links = 1, |
bcf25567 JS |
298 | .drvdata = &da830_snd_soc_card_drvdata, |
299 | }; | |
300 | ||
301 | static struct snd_soc_card_drvdata_davinci da850_snd_soc_card_drvdata = { | |
302 | .sysclk = 24576000, | |
30230f4c C |
303 | }; |
304 | ||
305 | static struct snd_soc_card da850_snd_soc_card = { | |
306 | .name = "DA850/OMAP-L138 EVM", | |
36a16d1a | 307 | .owner = THIS_MODULE, |
f9eb9dd1 | 308 | .dai_link = &da850_evm_dai, |
7ae5945f | 309 | .num_links = 1, |
bcf25567 | 310 | .drvdata = &da850_snd_soc_card_drvdata, |
7ae5945f C |
311 | }; |
312 | ||
ee2f615d HG |
313 | #if defined(CONFIG_OF) |
314 | ||
315 | /* | |
316 | * The struct is used as place holder. It will be completely | |
317 | * filled with data from dt node. | |
318 | */ | |
319 | static struct snd_soc_dai_link evm_dai_tlv320aic3x = { | |
320 | .name = "TLV320AIC3X", | |
321 | .stream_name = "AIC3X", | |
322 | .codec_dai_name = "tlv320aic3x-hifi", | |
323 | .ops = &evm_ops, | |
324 | .init = evm_aic3x_init, | |
d38970e1 PU |
325 | .dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM | |
326 | SND_SOC_DAIFMT_IB_NF, | |
ee2f615d HG |
327 | }; |
328 | ||
329 | static const struct of_device_id davinci_evm_dt_ids[] = { | |
330 | { | |
331 | .compatible = "ti,da830-evm-audio", | |
332 | .data = (void *) &evm_dai_tlv320aic3x, | |
333 | }, | |
334 | { /* sentinel */ } | |
335 | }; | |
336 | MODULE_DEVICE_TABLE(of, davinci_evm_dt_ids); | |
337 | ||
338 | /* davinci evm audio machine driver */ | |
339 | static struct snd_soc_card evm_soc_card = { | |
340 | .owner = THIS_MODULE, | |
341 | .num_links = 1, | |
342 | }; | |
343 | ||
344 | static int davinci_evm_probe(struct platform_device *pdev) | |
345 | { | |
346 | struct device_node *np = pdev->dev.of_node; | |
347 | const struct of_device_id *match = | |
348 | of_match_device(of_match_ptr(davinci_evm_dt_ids), &pdev->dev); | |
349 | struct snd_soc_dai_link *dai = (struct snd_soc_dai_link *) match->data; | |
350 | struct snd_soc_card_drvdata_davinci *drvdata = NULL; | |
351 | int ret = 0; | |
352 | ||
353 | evm_soc_card.dai_link = dai; | |
354 | ||
355 | dai->codec_of_node = of_parse_phandle(np, "ti,audio-codec", 0); | |
356 | if (!dai->codec_of_node) | |
357 | return -EINVAL; | |
358 | ||
359 | dai->cpu_of_node = of_parse_phandle(np, "ti,mcasp-controller", 0); | |
360 | if (!dai->cpu_of_node) | |
361 | return -EINVAL; | |
362 | ||
363 | dai->platform_of_node = dai->cpu_of_node; | |
364 | ||
365 | evm_soc_card.dev = &pdev->dev; | |
366 | ret = snd_soc_of_parse_card_name(&evm_soc_card, "ti,model"); | |
367 | if (ret) | |
368 | return ret; | |
369 | ||
370 | drvdata = devm_kzalloc(&pdev->dev, sizeof(*drvdata), GFP_KERNEL); | |
371 | if (!drvdata) | |
372 | return -ENOMEM; | |
373 | ||
374 | ret = of_property_read_u32(np, "ti,codec-clock-rate", &drvdata->sysclk); | |
375 | if (ret < 0) | |
376 | return -EINVAL; | |
377 | ||
378 | snd_soc_card_set_drvdata(&evm_soc_card, drvdata); | |
379 | ret = devm_snd_soc_register_card(&pdev->dev, &evm_soc_card); | |
380 | ||
381 | if (ret) | |
382 | dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", ret); | |
383 | ||
384 | return ret; | |
385 | } | |
386 | ||
387 | static int davinci_evm_remove(struct platform_device *pdev) | |
388 | { | |
389 | struct snd_soc_card *card = platform_get_drvdata(pdev); | |
390 | ||
391 | snd_soc_unregister_card(card); | |
392 | ||
393 | return 0; | |
394 | } | |
395 | ||
396 | static struct platform_driver davinci_evm_driver = { | |
397 | .probe = davinci_evm_probe, | |
398 | .remove = davinci_evm_remove, | |
399 | .driver = { | |
400 | .name = "davinci_evm", | |
401 | .owner = THIS_MODULE, | |
402 | .of_match_table = of_match_ptr(davinci_evm_dt_ids), | |
403 | }, | |
404 | }; | |
405 | #endif | |
406 | ||
310355c1 VB |
407 | static struct platform_device *evm_snd_device; |
408 | ||
409 | static int __init evm_init(void) | |
410 | { | |
f0fba2ad | 411 | struct snd_soc_card *evm_snd_dev_data; |
f492ec9f | 412 | int index; |
310355c1 VB |
413 | int ret; |
414 | ||
ee2f615d HG |
415 | /* |
416 | * If dtb is there, the devices will be created dynamically. | |
417 | * Only register platfrom driver structure. | |
418 | */ | |
419 | #if defined(CONFIG_OF) | |
420 | if (of_have_populated_dt()) | |
421 | return platform_driver_register(&davinci_evm_driver); | |
422 | #endif | |
423 | ||
aa9b88ee | 424 | if (machine_is_davinci_evm()) { |
bedad0ca | 425 | evm_snd_dev_data = &dm6446_snd_soc_card_evm; |
f492ec9f DB |
426 | index = 0; |
427 | } else if (machine_is_davinci_dm355_evm()) { | |
bedad0ca | 428 | evm_snd_dev_data = &dm355_snd_soc_card_evm; |
f492ec9f | 429 | index = 1; |
aa9b88ee | 430 | } else if (machine_is_davinci_dm365_evm()) { |
f0fba2ad | 431 | evm_snd_dev_data = &dm365_snd_soc_card_evm; |
aa9b88ee | 432 | index = 0; |
04f80f5c | 433 | } else if (machine_is_davinci_dm6467_evm()) { |
f0fba2ad | 434 | evm_snd_dev_data = &dm6467_snd_soc_card_evm; |
04f80f5c | 435 | index = 0; |
7ae5945f | 436 | } else if (machine_is_davinci_da830_evm()) { |
f0fba2ad | 437 | evm_snd_dev_data = &da830_snd_soc_card; |
7ae5945f | 438 | index = 1; |
30230f4c | 439 | } else if (machine_is_davinci_da850_evm()) { |
f0fba2ad | 440 | evm_snd_dev_data = &da850_snd_soc_card; |
30230f4c | 441 | index = 0; |
f492ec9f DB |
442 | } else |
443 | return -EINVAL; | |
444 | ||
445 | evm_snd_device = platform_device_alloc("soc-audio", index); | |
310355c1 VB |
446 | if (!evm_snd_device) |
447 | return -ENOMEM; | |
448 | ||
04f80f5c | 449 | platform_set_drvdata(evm_snd_device, evm_snd_dev_data); |
310355c1 VB |
450 | ret = platform_device_add(evm_snd_device); |
451 | if (ret) | |
452 | platform_device_put(evm_snd_device); | |
453 | ||
454 | return ret; | |
455 | } | |
456 | ||
457 | static void __exit evm_exit(void) | |
458 | { | |
ee2f615d HG |
459 | #if defined(CONFIG_OF) |
460 | if (of_have_populated_dt()) { | |
461 | platform_driver_unregister(&davinci_evm_driver); | |
462 | return; | |
463 | } | |
464 | #endif | |
465 | ||
310355c1 VB |
466 | platform_device_unregister(evm_snd_device); |
467 | } | |
468 | ||
469 | module_init(evm_init); | |
470 | module_exit(evm_exit); | |
471 | ||
472 | MODULE_AUTHOR("Vladimir Barinov"); | |
473 | MODULE_DESCRIPTION("TI DAVINCI EVM ASoC driver"); | |
474 | MODULE_LICENSE("GPL"); |