Commit | Line | Data |
---|---|---|
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> |
5ad8865b | 20 | #include <linux/clk.h> |
310355c1 VB |
21 | #include <sound/core.h> |
22 | #include <sound/pcm.h> | |
23 | #include <sound/soc.h> | |
310355c1 | 24 | |
310355c1 | 25 | #include <asm/dma.h> |
f492ec9f DB |
26 | #include <asm/mach-types.h> |
27 | ||
ee2f615d HG |
28 | #include <linux/edma.h> |
29 | ||
310355c1 VB |
30 | #include "davinci-pcm.h" |
31 | #include "davinci-i2s.h" | |
310355c1 | 32 | |
bcf25567 | 33 | struct snd_soc_card_drvdata_davinci { |
5ad8865b | 34 | struct clk *mclk; |
bcf25567 JS |
35 | unsigned sysclk; |
36 | }; | |
37 | ||
5ad8865b JS |
38 | static int evm_startup(struct snd_pcm_substream *substream) |
39 | { | |
40 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
2896b8b4 | 41 | struct snd_soc_card *soc_card = rtd->card; |
5ad8865b JS |
42 | struct snd_soc_card_drvdata_davinci *drvdata = |
43 | snd_soc_card_get_drvdata(soc_card); | |
44 | ||
45 | if (drvdata->mclk) | |
46 | return clk_prepare_enable(drvdata->mclk); | |
47 | ||
48 | return 0; | |
49 | } | |
50 | ||
51 | static void evm_shutdown(struct snd_pcm_substream *substream) | |
52 | { | |
53 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
2896b8b4 | 54 | struct snd_soc_card *soc_card = rtd->card; |
5ad8865b JS |
55 | struct snd_soc_card_drvdata_davinci *drvdata = |
56 | snd_soc_card_get_drvdata(soc_card); | |
57 | ||
58 | if (drvdata->mclk) | |
59 | clk_disable_unprepare(drvdata->mclk); | |
60 | } | |
61 | ||
310355c1 VB |
62 | static int evm_hw_params(struct snd_pcm_substream *substream, |
63 | struct snd_pcm_hw_params *params) | |
64 | { | |
65 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
f0fba2ad LG |
66 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
67 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
2896b8b4 | 68 | struct snd_soc_card *soc_card = rtd->card; |
310355c1 | 69 | int ret = 0; |
bcf25567 JS |
70 | unsigned sysclk = ((struct snd_soc_card_drvdata_davinci *) |
71 | snd_soc_card_get_drvdata(soc_card))->sysclk; | |
310355c1 | 72 | |
310355c1 | 73 | /* set the codec system clock */ |
05d5e991 | 74 | ret = snd_soc_dai_set_sysclk(codec_dai, 0, sysclk, SND_SOC_CLOCK_OUT); |
310355c1 VB |
75 | if (ret < 0) |
76 | return ret; | |
77 | ||
5b66aa2d DM |
78 | /* set the CPU system clock */ |
79 | ret = snd_soc_dai_set_sysclk(cpu_dai, 0, sysclk, SND_SOC_CLOCK_OUT); | |
80 | if (ret < 0) | |
81 | return ret; | |
82 | ||
310355c1 VB |
83 | return 0; |
84 | } | |
85 | ||
86 | static struct snd_soc_ops evm_ops = { | |
5ad8865b JS |
87 | .startup = evm_startup, |
88 | .shutdown = evm_shutdown, | |
310355c1 VB |
89 | .hw_params = evm_hw_params, |
90 | }; | |
91 | ||
92 | /* davinci-evm machine dapm widgets */ | |
93 | static const struct snd_soc_dapm_widget aic3x_dapm_widgets[] = { | |
94 | SND_SOC_DAPM_HP("Headphone Jack", NULL), | |
95 | SND_SOC_DAPM_LINE("Line Out", NULL), | |
96 | SND_SOC_DAPM_MIC("Mic Jack", NULL), | |
97 | SND_SOC_DAPM_LINE("Line In", NULL), | |
98 | }; | |
99 | ||
100 | /* davinci-evm machine audio_mapnections to the codec pins */ | |
acf497f9 | 101 | static const struct snd_soc_dapm_route audio_map[] = { |
310355c1 VB |
102 | /* Headphone connected to HPLOUT, HPROUT */ |
103 | {"Headphone Jack", NULL, "HPLOUT"}, | |
104 | {"Headphone Jack", NULL, "HPROUT"}, | |
105 | ||
106 | /* Line Out connected to LLOUT, RLOUT */ | |
107 | {"Line Out", NULL, "LLOUT"}, | |
108 | {"Line Out", NULL, "RLOUT"}, | |
109 | ||
110 | /* Mic connected to (MIC3L | MIC3R) */ | |
e2e8bfdf HG |
111 | {"MIC3L", NULL, "Mic Bias"}, |
112 | {"MIC3R", NULL, "Mic Bias"}, | |
113 | {"Mic Bias", NULL, "Mic Jack"}, | |
310355c1 VB |
114 | |
115 | /* Line In connected to (LINE1L | LINE2L), (LINE1R | LINE2R) */ | |
116 | {"LINE1L", NULL, "Line In"}, | |
117 | {"LINE2L", NULL, "Line In"}, | |
118 | {"LINE1R", NULL, "Line In"}, | |
119 | {"LINE2R", NULL, "Line In"}, | |
310355c1 VB |
120 | }; |
121 | ||
122 | /* Logic for a aic3x as connected on a davinci-evm */ | |
f0fba2ad | 123 | static int evm_aic3x_init(struct snd_soc_pcm_runtime *rtd) |
310355c1 | 124 | { |
d343a660 | 125 | struct snd_soc_card *card = rtd->card; |
f0fba2ad | 126 | struct snd_soc_codec *codec = rtd->codec; |
2896b8b4 | 127 | struct device_node *np = card->dev->of_node; |
ee2f615d | 128 | int ret; |
f0fba2ad | 129 | |
310355c1 | 130 | /* Add davinci-evm specific widgets */ |
d343a660 | 131 | snd_soc_dapm_new_controls(&card->dapm, aic3x_dapm_widgets, |
acf497f9 | 132 | ARRAY_SIZE(aic3x_dapm_widgets)); |
310355c1 | 133 | |
ee2f615d | 134 | if (np) { |
d343a660 | 135 | ret = snd_soc_of_parse_audio_routing(card, "ti,audio-routing"); |
ee2f615d HG |
136 | if (ret) |
137 | return ret; | |
138 | } else { | |
139 | /* Set up davinci-evm specific audio path audio_map */ | |
d343a660 LPC |
140 | snd_soc_dapm_add_routes(&card->dapm, audio_map, |
141 | ARRAY_SIZE(audio_map)); | |
ee2f615d | 142 | } |
310355c1 VB |
143 | |
144 | /* not connected */ | |
d343a660 LPC |
145 | snd_soc_dapm_nc_pin(&codec->dapm, "MONO_LOUT"); |
146 | snd_soc_dapm_nc_pin(&codec->dapm, "HPLCOM"); | |
147 | snd_soc_dapm_nc_pin(&codec->dapm, "HPRCOM"); | |
310355c1 | 148 | |
310355c1 VB |
149 | return 0; |
150 | } | |
151 | ||
152 | /* davinci-evm digital audio interface glue - connects codec <--> CPU */ | |
bedad0ca | 153 | static struct snd_soc_dai_link dm6446_evm_dai = { |
310355c1 VB |
154 | .name = "TLV320AIC3X", |
155 | .stream_name = "AIC3X", | |
bedad0ca | 156 | .cpu_dai_name = "davinci-mcbsp", |
f0fba2ad | 157 | .codec_dai_name = "tlv320aic3x-hifi", |
bedad0ca | 158 | .codec_name = "tlv320aic3x-codec.1-001b", |
f08095a4 | 159 | .platform_name = "davinci-mcbsp", |
bedad0ca CPE |
160 | .init = evm_aic3x_init, |
161 | .ops = &evm_ops, | |
d38970e1 PU |
162 | .dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM | |
163 | SND_SOC_DAIFMT_IB_NF, | |
bedad0ca CPE |
164 | }; |
165 | ||
166 | static struct snd_soc_dai_link dm355_evm_dai = { | |
167 | .name = "TLV320AIC3X", | |
168 | .stream_name = "AIC3X", | |
169 | .cpu_dai_name = "davinci-mcbsp.1", | |
170 | .codec_dai_name = "tlv320aic3x-hifi", | |
171 | .codec_name = "tlv320aic3x-codec.1-001b", | |
f08095a4 | 172 | .platform_name = "davinci-mcbsp.1", |
310355c1 VB |
173 | .init = evm_aic3x_init, |
174 | .ops = &evm_ops, | |
d38970e1 PU |
175 | .dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM | |
176 | SND_SOC_DAIFMT_IB_NF, | |
310355c1 VB |
177 | }; |
178 | ||
aa9b88ee MA |
179 | static struct snd_soc_dai_link dm365_evm_dai = { |
180 | #ifdef CONFIG_SND_DM365_AIC3X_CODEC | |
181 | .name = "TLV320AIC3X", | |
182 | .stream_name = "AIC3X", | |
bedad0ca | 183 | .cpu_dai_name = "davinci-mcbsp", |
f0fba2ad | 184 | .codec_dai_name = "tlv320aic3x-hifi", |
bedad0ca | 185 | .codec_name = "tlv320aic3x-codec.1-0018", |
f08095a4 | 186 | .platform_name = "davinci-mcbsp", |
d38970e1 PU |
187 | .init = evm_aic3x_init, |
188 | .ops = &evm_ops, | |
189 | .dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM | | |
190 | SND_SOC_DAIFMT_IB_NF, | |
aa9b88ee MA |
191 | #elif defined(CONFIG_SND_DM365_VOICE_CODEC) |
192 | .name = "Voice Codec - CQ93VC", | |
193 | .stream_name = "CQ93", | |
f0fba2ad LG |
194 | .cpu_dai_name = "davinci-vcif", |
195 | .codec_dai_name = "cq93vc-hifi", | |
196 | .codec_name = "cq93vc-codec", | |
ffb690d5 | 197 | .platform_name = "davinci-vcif", |
aa9b88ee MA |
198 | #endif |
199 | }; | |
200 | ||
04f80f5c C |
201 | static struct snd_soc_dai_link dm6467_evm_dai[] = { |
202 | { | |
203 | .name = "TLV320AIC3X", | |
204 | .stream_name = "AIC3X", | |
f0fba2ad LG |
205 | .cpu_dai_name= "davinci-mcasp.0", |
206 | .codec_dai_name = "tlv320aic3x-hifi", | |
f08095a4 | 207 | .platform_name = "davinci-mcasp.0", |
f0fba2ad | 208 | .codec_name = "tlv320aic3x-codec.0-001a", |
04f80f5c C |
209 | .init = evm_aic3x_init, |
210 | .ops = &evm_ops, | |
d38970e1 PU |
211 | .dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM | |
212 | SND_SOC_DAIFMT_IB_NF, | |
04f80f5c C |
213 | }, |
214 | { | |
215 | .name = "McASP", | |
216 | .stream_name = "spdif", | |
f0fba2ad LG |
217 | .cpu_dai_name= "davinci-mcasp.1", |
218 | .codec_dai_name = "dit-hifi", | |
219 | .codec_name = "spdif_dit", | |
f08095a4 | 220 | .platform_name = "davinci-mcasp.1", |
d38970e1 PU |
221 | .dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM | |
222 | SND_SOC_DAIFMT_IB_NF, | |
04f80f5c C |
223 | }, |
224 | }; | |
f9eb9dd1 VB |
225 | |
226 | static struct snd_soc_dai_link da830_evm_dai = { | |
227 | .name = "TLV320AIC3X", | |
228 | .stream_name = "AIC3X", | |
229 | .cpu_dai_name = "davinci-mcasp.1", | |
230 | .codec_dai_name = "tlv320aic3x-hifi", | |
231 | .codec_name = "tlv320aic3x-codec.1-0018", | |
f08095a4 | 232 | .platform_name = "davinci-mcasp.1", |
f9eb9dd1 VB |
233 | .init = evm_aic3x_init, |
234 | .ops = &evm_ops, | |
d38970e1 PU |
235 | .dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM | |
236 | SND_SOC_DAIFMT_IB_NF, | |
f9eb9dd1 VB |
237 | }; |
238 | ||
239 | static struct snd_soc_dai_link da850_evm_dai = { | |
7ae5945f C |
240 | .name = "TLV320AIC3X", |
241 | .stream_name = "AIC3X", | |
f0fba2ad LG |
242 | .cpu_dai_name= "davinci-mcasp.0", |
243 | .codec_dai_name = "tlv320aic3x-hifi", | |
dc5a460a | 244 | .codec_name = "tlv320aic3x-codec.1-0018", |
f08095a4 | 245 | .platform_name = "davinci-mcasp.0", |
7ae5945f C |
246 | .init = evm_aic3x_init, |
247 | .ops = &evm_ops, | |
d38970e1 PU |
248 | .dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM | |
249 | SND_SOC_DAIFMT_IB_NF, | |
7ae5945f | 250 | }; |
04f80f5c | 251 | |
bedad0ca | 252 | /* davinci dm6446 evm audio machine driver */ |
bcf25567 JS |
253 | /* |
254 | * ASP0 in DM6446 EVM is clocked by U55, as configured by | |
255 | * board-dm644x-evm.c using GPIOs from U18. There are six | |
256 | * options; here we "know" we use a 48 KHz sample rate. | |
257 | */ | |
258 | static struct snd_soc_card_drvdata_davinci dm6446_snd_soc_card_drvdata = { | |
259 | .sysclk = 12288000, | |
260 | }; | |
261 | ||
bedad0ca CPE |
262 | static struct snd_soc_card dm6446_snd_soc_card_evm = { |
263 | .name = "DaVinci DM6446 EVM", | |
36a16d1a | 264 | .owner = THIS_MODULE, |
bedad0ca CPE |
265 | .dai_link = &dm6446_evm_dai, |
266 | .num_links = 1, | |
bcf25567 | 267 | .drvdata = &dm6446_snd_soc_card_drvdata, |
bedad0ca CPE |
268 | }; |
269 | ||
270 | /* davinci dm355 evm audio machine driver */ | |
bcf25567 JS |
271 | /* ASP1 on DM355 EVM is clocked by an external oscillator */ |
272 | static struct snd_soc_card_drvdata_davinci dm355_snd_soc_card_drvdata = { | |
273 | .sysclk = 27000000, | |
274 | }; | |
275 | ||
bedad0ca CPE |
276 | static struct snd_soc_card dm355_snd_soc_card_evm = { |
277 | .name = "DaVinci DM355 EVM", | |
36a16d1a | 278 | .owner = THIS_MODULE, |
bedad0ca | 279 | .dai_link = &dm355_evm_dai, |
310355c1 | 280 | .num_links = 1, |
bcf25567 | 281 | .drvdata = &dm355_snd_soc_card_drvdata, |
310355c1 VB |
282 | }; |
283 | ||
aa9b88ee | 284 | /* davinci dm365 evm audio machine driver */ |
bcf25567 JS |
285 | static struct snd_soc_card_drvdata_davinci dm365_snd_soc_card_drvdata = { |
286 | .sysclk = 27000000, | |
287 | }; | |
288 | ||
aa9b88ee MA |
289 | static struct snd_soc_card dm365_snd_soc_card_evm = { |
290 | .name = "DaVinci DM365 EVM", | |
36a16d1a | 291 | .owner = THIS_MODULE, |
aa9b88ee MA |
292 | .dai_link = &dm365_evm_dai, |
293 | .num_links = 1, | |
bcf25567 | 294 | .drvdata = &dm365_snd_soc_card_drvdata, |
aa9b88ee MA |
295 | }; |
296 | ||
04f80f5c | 297 | /* davinci dm6467 evm audio machine driver */ |
bcf25567 JS |
298 | static struct snd_soc_card_drvdata_davinci dm6467_snd_soc_card_drvdata = { |
299 | .sysclk = 27000000, | |
300 | }; | |
301 | ||
04f80f5c C |
302 | static struct snd_soc_card dm6467_snd_soc_card_evm = { |
303 | .name = "DaVinci DM6467 EVM", | |
36a16d1a | 304 | .owner = THIS_MODULE, |
04f80f5c C |
305 | .dai_link = dm6467_evm_dai, |
306 | .num_links = ARRAY_SIZE(dm6467_evm_dai), | |
bcf25567 JS |
307 | .drvdata = &dm6467_snd_soc_card_drvdata, |
308 | }; | |
309 | ||
310 | static struct snd_soc_card_drvdata_davinci da830_snd_soc_card_drvdata = { | |
311 | .sysclk = 24576000, | |
04f80f5c C |
312 | }; |
313 | ||
7ae5945f | 314 | static struct snd_soc_card da830_snd_soc_card = { |
30230f4c | 315 | .name = "DA830/OMAP-L137 EVM", |
36a16d1a | 316 | .owner = THIS_MODULE, |
f9eb9dd1 | 317 | .dai_link = &da830_evm_dai, |
30230f4c | 318 | .num_links = 1, |
bcf25567 JS |
319 | .drvdata = &da830_snd_soc_card_drvdata, |
320 | }; | |
321 | ||
322 | static struct snd_soc_card_drvdata_davinci da850_snd_soc_card_drvdata = { | |
323 | .sysclk = 24576000, | |
30230f4c C |
324 | }; |
325 | ||
326 | static struct snd_soc_card da850_snd_soc_card = { | |
327 | .name = "DA850/OMAP-L138 EVM", | |
36a16d1a | 328 | .owner = THIS_MODULE, |
f9eb9dd1 | 329 | .dai_link = &da850_evm_dai, |
7ae5945f | 330 | .num_links = 1, |
bcf25567 | 331 | .drvdata = &da850_snd_soc_card_drvdata, |
7ae5945f C |
332 | }; |
333 | ||
ee2f615d HG |
334 | #if defined(CONFIG_OF) |
335 | ||
336 | /* | |
337 | * The struct is used as place holder. It will be completely | |
338 | * filled with data from dt node. | |
339 | */ | |
340 | static struct snd_soc_dai_link evm_dai_tlv320aic3x = { | |
341 | .name = "TLV320AIC3X", | |
342 | .stream_name = "AIC3X", | |
343 | .codec_dai_name = "tlv320aic3x-hifi", | |
344 | .ops = &evm_ops, | |
345 | .init = evm_aic3x_init, | |
d38970e1 PU |
346 | .dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM | |
347 | SND_SOC_DAIFMT_IB_NF, | |
ee2f615d HG |
348 | }; |
349 | ||
350 | static const struct of_device_id davinci_evm_dt_ids[] = { | |
351 | { | |
352 | .compatible = "ti,da830-evm-audio", | |
353 | .data = (void *) &evm_dai_tlv320aic3x, | |
354 | }, | |
355 | { /* sentinel */ } | |
356 | }; | |
357 | MODULE_DEVICE_TABLE(of, davinci_evm_dt_ids); | |
358 | ||
359 | /* davinci evm audio machine driver */ | |
360 | static struct snd_soc_card evm_soc_card = { | |
361 | .owner = THIS_MODULE, | |
362 | .num_links = 1, | |
363 | }; | |
364 | ||
365 | static int davinci_evm_probe(struct platform_device *pdev) | |
366 | { | |
367 | struct device_node *np = pdev->dev.of_node; | |
368 | const struct of_device_id *match = | |
369 | of_match_device(of_match_ptr(davinci_evm_dt_ids), &pdev->dev); | |
370 | struct snd_soc_dai_link *dai = (struct snd_soc_dai_link *) match->data; | |
371 | struct snd_soc_card_drvdata_davinci *drvdata = NULL; | |
5ad8865b | 372 | struct clk *mclk; |
ee2f615d HG |
373 | int ret = 0; |
374 | ||
375 | evm_soc_card.dai_link = dai; | |
376 | ||
377 | dai->codec_of_node = of_parse_phandle(np, "ti,audio-codec", 0); | |
378 | if (!dai->codec_of_node) | |
379 | return -EINVAL; | |
380 | ||
381 | dai->cpu_of_node = of_parse_phandle(np, "ti,mcasp-controller", 0); | |
382 | if (!dai->cpu_of_node) | |
383 | return -EINVAL; | |
384 | ||
385 | dai->platform_of_node = dai->cpu_of_node; | |
386 | ||
387 | evm_soc_card.dev = &pdev->dev; | |
388 | ret = snd_soc_of_parse_card_name(&evm_soc_card, "ti,model"); | |
389 | if (ret) | |
390 | return ret; | |
391 | ||
5ad8865b JS |
392 | mclk = devm_clk_get(&pdev->dev, "mclk"); |
393 | if (PTR_ERR(mclk) == -EPROBE_DEFER) { | |
394 | return -EPROBE_DEFER; | |
395 | } else if (IS_ERR(mclk)) { | |
396 | dev_dbg(&pdev->dev, "mclk not found.\n"); | |
397 | mclk = NULL; | |
398 | } | |
399 | ||
ee2f615d HG |
400 | drvdata = devm_kzalloc(&pdev->dev, sizeof(*drvdata), GFP_KERNEL); |
401 | if (!drvdata) | |
402 | return -ENOMEM; | |
403 | ||
5ad8865b JS |
404 | drvdata->mclk = mclk; |
405 | ||
ee2f615d | 406 | ret = of_property_read_u32(np, "ti,codec-clock-rate", &drvdata->sysclk); |
5ad8865b JS |
407 | |
408 | if (ret < 0) { | |
409 | if (!drvdata->mclk) { | |
410 | dev_err(&pdev->dev, | |
411 | "No clock or clock rate defined.\n"); | |
412 | return -EINVAL; | |
413 | } | |
414 | drvdata->sysclk = clk_get_rate(drvdata->mclk); | |
415 | } else if (drvdata->mclk) { | |
416 | unsigned int requestd_rate = drvdata->sysclk; | |
417 | clk_set_rate(drvdata->mclk, drvdata->sysclk); | |
418 | drvdata->sysclk = clk_get_rate(drvdata->mclk); | |
419 | if (drvdata->sysclk != requestd_rate) | |
420 | dev_warn(&pdev->dev, | |
421 | "Could not get requested rate %u using %u.\n", | |
422 | requestd_rate, drvdata->sysclk); | |
423 | } | |
ee2f615d HG |
424 | |
425 | snd_soc_card_set_drvdata(&evm_soc_card, drvdata); | |
426 | ret = devm_snd_soc_register_card(&pdev->dev, &evm_soc_card); | |
427 | ||
428 | if (ret) | |
429 | dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", ret); | |
430 | ||
431 | return ret; | |
432 | } | |
433 | ||
434 | static int davinci_evm_remove(struct platform_device *pdev) | |
435 | { | |
436 | struct snd_soc_card *card = platform_get_drvdata(pdev); | |
437 | ||
438 | snd_soc_unregister_card(card); | |
439 | ||
440 | return 0; | |
441 | } | |
442 | ||
443 | static struct platform_driver davinci_evm_driver = { | |
444 | .probe = davinci_evm_probe, | |
445 | .remove = davinci_evm_remove, | |
446 | .driver = { | |
447 | .name = "davinci_evm", | |
448 | .owner = THIS_MODULE, | |
fb6d208d | 449 | .pm = &snd_soc_pm_ops, |
ee2f615d HG |
450 | .of_match_table = of_match_ptr(davinci_evm_dt_ids), |
451 | }, | |
452 | }; | |
453 | #endif | |
454 | ||
310355c1 VB |
455 | static struct platform_device *evm_snd_device; |
456 | ||
457 | static int __init evm_init(void) | |
458 | { | |
f0fba2ad | 459 | struct snd_soc_card *evm_snd_dev_data; |
f492ec9f | 460 | int index; |
310355c1 VB |
461 | int ret; |
462 | ||
ee2f615d HG |
463 | /* |
464 | * If dtb is there, the devices will be created dynamically. | |
465 | * Only register platfrom driver structure. | |
466 | */ | |
467 | #if defined(CONFIG_OF) | |
468 | if (of_have_populated_dt()) | |
469 | return platform_driver_register(&davinci_evm_driver); | |
470 | #endif | |
471 | ||
aa9b88ee | 472 | if (machine_is_davinci_evm()) { |
bedad0ca | 473 | evm_snd_dev_data = &dm6446_snd_soc_card_evm; |
f492ec9f DB |
474 | index = 0; |
475 | } else if (machine_is_davinci_dm355_evm()) { | |
bedad0ca | 476 | evm_snd_dev_data = &dm355_snd_soc_card_evm; |
f492ec9f | 477 | index = 1; |
aa9b88ee | 478 | } else if (machine_is_davinci_dm365_evm()) { |
f0fba2ad | 479 | evm_snd_dev_data = &dm365_snd_soc_card_evm; |
aa9b88ee | 480 | index = 0; |
04f80f5c | 481 | } else if (machine_is_davinci_dm6467_evm()) { |
f0fba2ad | 482 | evm_snd_dev_data = &dm6467_snd_soc_card_evm; |
04f80f5c | 483 | index = 0; |
7ae5945f | 484 | } else if (machine_is_davinci_da830_evm()) { |
f0fba2ad | 485 | evm_snd_dev_data = &da830_snd_soc_card; |
7ae5945f | 486 | index = 1; |
30230f4c | 487 | } else if (machine_is_davinci_da850_evm()) { |
f0fba2ad | 488 | evm_snd_dev_data = &da850_snd_soc_card; |
30230f4c | 489 | index = 0; |
f492ec9f DB |
490 | } else |
491 | return -EINVAL; | |
492 | ||
493 | evm_snd_device = platform_device_alloc("soc-audio", index); | |
310355c1 VB |
494 | if (!evm_snd_device) |
495 | return -ENOMEM; | |
496 | ||
04f80f5c | 497 | platform_set_drvdata(evm_snd_device, evm_snd_dev_data); |
310355c1 VB |
498 | ret = platform_device_add(evm_snd_device); |
499 | if (ret) | |
500 | platform_device_put(evm_snd_device); | |
501 | ||
502 | return ret; | |
503 | } | |
504 | ||
505 | static void __exit evm_exit(void) | |
506 | { | |
ee2f615d HG |
507 | #if defined(CONFIG_OF) |
508 | if (of_have_populated_dt()) { | |
509 | platform_driver_unregister(&davinci_evm_driver); | |
510 | return; | |
511 | } | |
512 | #endif | |
513 | ||
310355c1 VB |
514 | platform_device_unregister(evm_snd_device); |
515 | } | |
516 | ||
517 | module_init(evm_init); | |
518 | module_exit(evm_exit); | |
519 | ||
520 | MODULE_AUTHOR("Vladimir Barinov"); | |
521 | MODULE_DESCRIPTION("TI DAVINCI EVM ASoC driver"); | |
522 | MODULE_LICENSE("GPL"); |