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> | |
aa6b904e | 17 | #include <linux/i2c.h> |
ee2f615d | 18 | #include <linux/of_platform.h> |
5ad8865b | 19 | #include <linux/clk.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 | ||
bcf25567 | 27 | struct snd_soc_card_drvdata_davinci { |
5ad8865b | 28 | struct clk *mclk; |
bcf25567 JS |
29 | unsigned sysclk; |
30 | }; | |
31 | ||
5ad8865b JS |
32 | static int evm_startup(struct snd_pcm_substream *substream) |
33 | { | |
34 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
2896b8b4 | 35 | struct snd_soc_card *soc_card = rtd->card; |
5ad8865b JS |
36 | struct snd_soc_card_drvdata_davinci *drvdata = |
37 | snd_soc_card_get_drvdata(soc_card); | |
38 | ||
39 | if (drvdata->mclk) | |
40 | return clk_prepare_enable(drvdata->mclk); | |
41 | ||
42 | return 0; | |
43 | } | |
44 | ||
45 | static void evm_shutdown(struct snd_pcm_substream *substream) | |
46 | { | |
47 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
2896b8b4 | 48 | struct snd_soc_card *soc_card = rtd->card; |
5ad8865b JS |
49 | struct snd_soc_card_drvdata_davinci *drvdata = |
50 | snd_soc_card_get_drvdata(soc_card); | |
51 | ||
52 | if (drvdata->mclk) | |
53 | clk_disable_unprepare(drvdata->mclk); | |
54 | } | |
55 | ||
310355c1 VB |
56 | static int evm_hw_params(struct snd_pcm_substream *substream, |
57 | struct snd_pcm_hw_params *params) | |
58 | { | |
59 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
f0fba2ad LG |
60 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
61 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
2896b8b4 | 62 | struct snd_soc_card *soc_card = rtd->card; |
310355c1 | 63 | int ret = 0; |
bcf25567 JS |
64 | unsigned sysclk = ((struct snd_soc_card_drvdata_davinci *) |
65 | snd_soc_card_get_drvdata(soc_card))->sysclk; | |
310355c1 | 66 | |
310355c1 | 67 | /* set the codec system clock */ |
05d5e991 | 68 | ret = snd_soc_dai_set_sysclk(codec_dai, 0, sysclk, SND_SOC_CLOCK_OUT); |
310355c1 VB |
69 | if (ret < 0) |
70 | return ret; | |
71 | ||
5b66aa2d DM |
72 | /* set the CPU system clock */ |
73 | ret = snd_soc_dai_set_sysclk(cpu_dai, 0, sysclk, SND_SOC_CLOCK_OUT); | |
74 | if (ret < 0) | |
75 | return ret; | |
76 | ||
310355c1 VB |
77 | return 0; |
78 | } | |
79 | ||
80 | static struct snd_soc_ops evm_ops = { | |
5ad8865b JS |
81 | .startup = evm_startup, |
82 | .shutdown = evm_shutdown, | |
310355c1 VB |
83 | .hw_params = evm_hw_params, |
84 | }; | |
85 | ||
86 | /* davinci-evm machine dapm widgets */ | |
87 | static const struct snd_soc_dapm_widget aic3x_dapm_widgets[] = { | |
88 | SND_SOC_DAPM_HP("Headphone Jack", NULL), | |
89 | SND_SOC_DAPM_LINE("Line Out", NULL), | |
90 | SND_SOC_DAPM_MIC("Mic Jack", NULL), | |
91 | SND_SOC_DAPM_LINE("Line In", NULL), | |
92 | }; | |
93 | ||
94 | /* davinci-evm machine audio_mapnections to the codec pins */ | |
acf497f9 | 95 | static const struct snd_soc_dapm_route audio_map[] = { |
310355c1 VB |
96 | /* Headphone connected to HPLOUT, HPROUT */ |
97 | {"Headphone Jack", NULL, "HPLOUT"}, | |
98 | {"Headphone Jack", NULL, "HPROUT"}, | |
99 | ||
100 | /* Line Out connected to LLOUT, RLOUT */ | |
101 | {"Line Out", NULL, "LLOUT"}, | |
102 | {"Line Out", NULL, "RLOUT"}, | |
103 | ||
104 | /* Mic connected to (MIC3L | MIC3R) */ | |
e2e8bfdf HG |
105 | {"MIC3L", NULL, "Mic Bias"}, |
106 | {"MIC3R", NULL, "Mic Bias"}, | |
107 | {"Mic Bias", NULL, "Mic Jack"}, | |
310355c1 VB |
108 | |
109 | /* Line In connected to (LINE1L | LINE2L), (LINE1R | LINE2R) */ | |
110 | {"LINE1L", NULL, "Line In"}, | |
111 | {"LINE2L", NULL, "Line In"}, | |
112 | {"LINE1R", NULL, "Line In"}, | |
113 | {"LINE2R", NULL, "Line In"}, | |
310355c1 VB |
114 | }; |
115 | ||
116 | /* Logic for a aic3x as connected on a davinci-evm */ | |
f0fba2ad | 117 | static int evm_aic3x_init(struct snd_soc_pcm_runtime *rtd) |
310355c1 | 118 | { |
d343a660 | 119 | struct snd_soc_card *card = rtd->card; |
2896b8b4 | 120 | struct device_node *np = card->dev->of_node; |
ee2f615d | 121 | int ret; |
f0fba2ad | 122 | |
310355c1 | 123 | /* Add davinci-evm specific widgets */ |
d343a660 | 124 | snd_soc_dapm_new_controls(&card->dapm, aic3x_dapm_widgets, |
acf497f9 | 125 | ARRAY_SIZE(aic3x_dapm_widgets)); |
310355c1 | 126 | |
ee2f615d | 127 | if (np) { |
d343a660 | 128 | ret = snd_soc_of_parse_audio_routing(card, "ti,audio-routing"); |
ee2f615d HG |
129 | if (ret) |
130 | return ret; | |
131 | } else { | |
132 | /* Set up davinci-evm specific audio path audio_map */ | |
d343a660 LPC |
133 | snd_soc_dapm_add_routes(&card->dapm, audio_map, |
134 | ARRAY_SIZE(audio_map)); | |
ee2f615d | 135 | } |
310355c1 VB |
136 | |
137 | /* not connected */ | |
b213b44a LPC |
138 | snd_soc_dapm_nc_pin(&card->dapm, "MONO_LOUT"); |
139 | snd_soc_dapm_nc_pin(&card->dapm, "HPLCOM"); | |
140 | snd_soc_dapm_nc_pin(&card->dapm, "HPRCOM"); | |
310355c1 | 141 | |
310355c1 VB |
142 | return 0; |
143 | } | |
144 | ||
145 | /* davinci-evm digital audio interface glue - connects codec <--> CPU */ | |
bedad0ca | 146 | static struct snd_soc_dai_link dm6446_evm_dai = { |
310355c1 VB |
147 | .name = "TLV320AIC3X", |
148 | .stream_name = "AIC3X", | |
bedad0ca | 149 | .cpu_dai_name = "davinci-mcbsp", |
f0fba2ad | 150 | .codec_dai_name = "tlv320aic3x-hifi", |
bedad0ca | 151 | .codec_name = "tlv320aic3x-codec.1-001b", |
f08095a4 | 152 | .platform_name = "davinci-mcbsp", |
bedad0ca CPE |
153 | .init = evm_aic3x_init, |
154 | .ops = &evm_ops, | |
d38970e1 PU |
155 | .dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM | |
156 | SND_SOC_DAIFMT_IB_NF, | |
bedad0ca CPE |
157 | }; |
158 | ||
159 | static struct snd_soc_dai_link dm355_evm_dai = { | |
160 | .name = "TLV320AIC3X", | |
161 | .stream_name = "AIC3X", | |
162 | .cpu_dai_name = "davinci-mcbsp.1", | |
163 | .codec_dai_name = "tlv320aic3x-hifi", | |
164 | .codec_name = "tlv320aic3x-codec.1-001b", | |
f08095a4 | 165 | .platform_name = "davinci-mcbsp.1", |
310355c1 VB |
166 | .init = evm_aic3x_init, |
167 | .ops = &evm_ops, | |
d38970e1 PU |
168 | .dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM | |
169 | SND_SOC_DAIFMT_IB_NF, | |
310355c1 VB |
170 | }; |
171 | ||
aa9b88ee MA |
172 | static struct snd_soc_dai_link dm365_evm_dai = { |
173 | #ifdef CONFIG_SND_DM365_AIC3X_CODEC | |
174 | .name = "TLV320AIC3X", | |
175 | .stream_name = "AIC3X", | |
bedad0ca | 176 | .cpu_dai_name = "davinci-mcbsp", |
f0fba2ad | 177 | .codec_dai_name = "tlv320aic3x-hifi", |
bedad0ca | 178 | .codec_name = "tlv320aic3x-codec.1-0018", |
f08095a4 | 179 | .platform_name = "davinci-mcbsp", |
d38970e1 PU |
180 | .init = evm_aic3x_init, |
181 | .ops = &evm_ops, | |
182 | .dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM | | |
183 | SND_SOC_DAIFMT_IB_NF, | |
aa9b88ee MA |
184 | #elif defined(CONFIG_SND_DM365_VOICE_CODEC) |
185 | .name = "Voice Codec - CQ93VC", | |
186 | .stream_name = "CQ93", | |
f0fba2ad LG |
187 | .cpu_dai_name = "davinci-vcif", |
188 | .codec_dai_name = "cq93vc-hifi", | |
189 | .codec_name = "cq93vc-codec", | |
ffb690d5 | 190 | .platform_name = "davinci-vcif", |
aa9b88ee MA |
191 | #endif |
192 | }; | |
193 | ||
04f80f5c C |
194 | static struct snd_soc_dai_link dm6467_evm_dai[] = { |
195 | { | |
196 | .name = "TLV320AIC3X", | |
197 | .stream_name = "AIC3X", | |
f0fba2ad LG |
198 | .cpu_dai_name= "davinci-mcasp.0", |
199 | .codec_dai_name = "tlv320aic3x-hifi", | |
f08095a4 | 200 | .platform_name = "davinci-mcasp.0", |
f0fba2ad | 201 | .codec_name = "tlv320aic3x-codec.0-001a", |
04f80f5c C |
202 | .init = evm_aic3x_init, |
203 | .ops = &evm_ops, | |
d38970e1 PU |
204 | .dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM | |
205 | SND_SOC_DAIFMT_IB_NF, | |
04f80f5c C |
206 | }, |
207 | { | |
208 | .name = "McASP", | |
209 | .stream_name = "spdif", | |
f0fba2ad LG |
210 | .cpu_dai_name= "davinci-mcasp.1", |
211 | .codec_dai_name = "dit-hifi", | |
212 | .codec_name = "spdif_dit", | |
f08095a4 | 213 | .platform_name = "davinci-mcasp.1", |
d38970e1 PU |
214 | .dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM | |
215 | SND_SOC_DAIFMT_IB_NF, | |
04f80f5c C |
216 | }, |
217 | }; | |
f9eb9dd1 VB |
218 | |
219 | static struct snd_soc_dai_link da830_evm_dai = { | |
220 | .name = "TLV320AIC3X", | |
221 | .stream_name = "AIC3X", | |
222 | .cpu_dai_name = "davinci-mcasp.1", | |
223 | .codec_dai_name = "tlv320aic3x-hifi", | |
224 | .codec_name = "tlv320aic3x-codec.1-0018", | |
f08095a4 | 225 | .platform_name = "davinci-mcasp.1", |
f9eb9dd1 VB |
226 | .init = evm_aic3x_init, |
227 | .ops = &evm_ops, | |
d38970e1 PU |
228 | .dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM | |
229 | SND_SOC_DAIFMT_IB_NF, | |
f9eb9dd1 VB |
230 | }; |
231 | ||
232 | static struct snd_soc_dai_link da850_evm_dai = { | |
7ae5945f C |
233 | .name = "TLV320AIC3X", |
234 | .stream_name = "AIC3X", | |
f0fba2ad LG |
235 | .cpu_dai_name= "davinci-mcasp.0", |
236 | .codec_dai_name = "tlv320aic3x-hifi", | |
dc5a460a | 237 | .codec_name = "tlv320aic3x-codec.1-0018", |
f08095a4 | 238 | .platform_name = "davinci-mcasp.0", |
7ae5945f C |
239 | .init = evm_aic3x_init, |
240 | .ops = &evm_ops, | |
d38970e1 PU |
241 | .dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM | |
242 | SND_SOC_DAIFMT_IB_NF, | |
7ae5945f | 243 | }; |
04f80f5c | 244 | |
bedad0ca | 245 | /* davinci dm6446 evm audio machine driver */ |
bcf25567 JS |
246 | /* |
247 | * ASP0 in DM6446 EVM is clocked by U55, as configured by | |
248 | * board-dm644x-evm.c using GPIOs from U18. There are six | |
249 | * options; here we "know" we use a 48 KHz sample rate. | |
250 | */ | |
251 | static struct snd_soc_card_drvdata_davinci dm6446_snd_soc_card_drvdata = { | |
252 | .sysclk = 12288000, | |
253 | }; | |
254 | ||
bedad0ca CPE |
255 | static struct snd_soc_card dm6446_snd_soc_card_evm = { |
256 | .name = "DaVinci DM6446 EVM", | |
36a16d1a | 257 | .owner = THIS_MODULE, |
bedad0ca CPE |
258 | .dai_link = &dm6446_evm_dai, |
259 | .num_links = 1, | |
bcf25567 | 260 | .drvdata = &dm6446_snd_soc_card_drvdata, |
bedad0ca CPE |
261 | }; |
262 | ||
263 | /* davinci dm355 evm audio machine driver */ | |
bcf25567 JS |
264 | /* ASP1 on DM355 EVM is clocked by an external oscillator */ |
265 | static struct snd_soc_card_drvdata_davinci dm355_snd_soc_card_drvdata = { | |
266 | .sysclk = 27000000, | |
267 | }; | |
268 | ||
bedad0ca CPE |
269 | static struct snd_soc_card dm355_snd_soc_card_evm = { |
270 | .name = "DaVinci DM355 EVM", | |
36a16d1a | 271 | .owner = THIS_MODULE, |
bedad0ca | 272 | .dai_link = &dm355_evm_dai, |
310355c1 | 273 | .num_links = 1, |
bcf25567 | 274 | .drvdata = &dm355_snd_soc_card_drvdata, |
310355c1 VB |
275 | }; |
276 | ||
aa9b88ee | 277 | /* davinci dm365 evm audio machine driver */ |
bcf25567 JS |
278 | static struct snd_soc_card_drvdata_davinci dm365_snd_soc_card_drvdata = { |
279 | .sysclk = 27000000, | |
280 | }; | |
281 | ||
aa9b88ee MA |
282 | static struct snd_soc_card dm365_snd_soc_card_evm = { |
283 | .name = "DaVinci DM365 EVM", | |
36a16d1a | 284 | .owner = THIS_MODULE, |
aa9b88ee MA |
285 | .dai_link = &dm365_evm_dai, |
286 | .num_links = 1, | |
bcf25567 | 287 | .drvdata = &dm365_snd_soc_card_drvdata, |
aa9b88ee MA |
288 | }; |
289 | ||
04f80f5c | 290 | /* davinci dm6467 evm audio machine driver */ |
bcf25567 JS |
291 | static struct snd_soc_card_drvdata_davinci dm6467_snd_soc_card_drvdata = { |
292 | .sysclk = 27000000, | |
293 | }; | |
294 | ||
04f80f5c C |
295 | static struct snd_soc_card dm6467_snd_soc_card_evm = { |
296 | .name = "DaVinci DM6467 EVM", | |
36a16d1a | 297 | .owner = THIS_MODULE, |
04f80f5c C |
298 | .dai_link = dm6467_evm_dai, |
299 | .num_links = ARRAY_SIZE(dm6467_evm_dai), | |
bcf25567 JS |
300 | .drvdata = &dm6467_snd_soc_card_drvdata, |
301 | }; | |
302 | ||
303 | static struct snd_soc_card_drvdata_davinci da830_snd_soc_card_drvdata = { | |
304 | .sysclk = 24576000, | |
04f80f5c C |
305 | }; |
306 | ||
7ae5945f | 307 | static struct snd_soc_card da830_snd_soc_card = { |
30230f4c | 308 | .name = "DA830/OMAP-L137 EVM", |
36a16d1a | 309 | .owner = THIS_MODULE, |
f9eb9dd1 | 310 | .dai_link = &da830_evm_dai, |
30230f4c | 311 | .num_links = 1, |
bcf25567 JS |
312 | .drvdata = &da830_snd_soc_card_drvdata, |
313 | }; | |
314 | ||
315 | static struct snd_soc_card_drvdata_davinci da850_snd_soc_card_drvdata = { | |
316 | .sysclk = 24576000, | |
30230f4c C |
317 | }; |
318 | ||
319 | static struct snd_soc_card da850_snd_soc_card = { | |
320 | .name = "DA850/OMAP-L138 EVM", | |
36a16d1a | 321 | .owner = THIS_MODULE, |
f9eb9dd1 | 322 | .dai_link = &da850_evm_dai, |
7ae5945f | 323 | .num_links = 1, |
bcf25567 | 324 | .drvdata = &da850_snd_soc_card_drvdata, |
7ae5945f C |
325 | }; |
326 | ||
ee2f615d HG |
327 | #if defined(CONFIG_OF) |
328 | ||
329 | /* | |
330 | * The struct is used as place holder. It will be completely | |
331 | * filled with data from dt node. | |
332 | */ | |
333 | static struct snd_soc_dai_link evm_dai_tlv320aic3x = { | |
334 | .name = "TLV320AIC3X", | |
335 | .stream_name = "AIC3X", | |
336 | .codec_dai_name = "tlv320aic3x-hifi", | |
337 | .ops = &evm_ops, | |
338 | .init = evm_aic3x_init, | |
d38970e1 PU |
339 | .dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM | |
340 | SND_SOC_DAIFMT_IB_NF, | |
ee2f615d HG |
341 | }; |
342 | ||
343 | static const struct of_device_id davinci_evm_dt_ids[] = { | |
344 | { | |
345 | .compatible = "ti,da830-evm-audio", | |
346 | .data = (void *) &evm_dai_tlv320aic3x, | |
347 | }, | |
348 | { /* sentinel */ } | |
349 | }; | |
350 | MODULE_DEVICE_TABLE(of, davinci_evm_dt_ids); | |
351 | ||
352 | /* davinci evm audio machine driver */ | |
353 | static struct snd_soc_card evm_soc_card = { | |
354 | .owner = THIS_MODULE, | |
355 | .num_links = 1, | |
356 | }; | |
357 | ||
358 | static int davinci_evm_probe(struct platform_device *pdev) | |
359 | { | |
360 | struct device_node *np = pdev->dev.of_node; | |
361 | const struct of_device_id *match = | |
362 | of_match_device(of_match_ptr(davinci_evm_dt_ids), &pdev->dev); | |
363 | struct snd_soc_dai_link *dai = (struct snd_soc_dai_link *) match->data; | |
364 | struct snd_soc_card_drvdata_davinci *drvdata = NULL; | |
5ad8865b | 365 | struct clk *mclk; |
ee2f615d HG |
366 | int ret = 0; |
367 | ||
368 | evm_soc_card.dai_link = dai; | |
369 | ||
370 | dai->codec_of_node = of_parse_phandle(np, "ti,audio-codec", 0); | |
371 | if (!dai->codec_of_node) | |
372 | return -EINVAL; | |
373 | ||
374 | dai->cpu_of_node = of_parse_phandle(np, "ti,mcasp-controller", 0); | |
375 | if (!dai->cpu_of_node) | |
376 | return -EINVAL; | |
377 | ||
378 | dai->platform_of_node = dai->cpu_of_node; | |
379 | ||
380 | evm_soc_card.dev = &pdev->dev; | |
381 | ret = snd_soc_of_parse_card_name(&evm_soc_card, "ti,model"); | |
382 | if (ret) | |
383 | return ret; | |
384 | ||
5ad8865b JS |
385 | mclk = devm_clk_get(&pdev->dev, "mclk"); |
386 | if (PTR_ERR(mclk) == -EPROBE_DEFER) { | |
387 | return -EPROBE_DEFER; | |
388 | } else if (IS_ERR(mclk)) { | |
389 | dev_dbg(&pdev->dev, "mclk not found.\n"); | |
390 | mclk = NULL; | |
391 | } | |
392 | ||
ee2f615d HG |
393 | drvdata = devm_kzalloc(&pdev->dev, sizeof(*drvdata), GFP_KERNEL); |
394 | if (!drvdata) | |
395 | return -ENOMEM; | |
396 | ||
5ad8865b JS |
397 | drvdata->mclk = mclk; |
398 | ||
ee2f615d | 399 | ret = of_property_read_u32(np, "ti,codec-clock-rate", &drvdata->sysclk); |
5ad8865b JS |
400 | |
401 | if (ret < 0) { | |
402 | if (!drvdata->mclk) { | |
403 | dev_err(&pdev->dev, | |
404 | "No clock or clock rate defined.\n"); | |
405 | return -EINVAL; | |
406 | } | |
407 | drvdata->sysclk = clk_get_rate(drvdata->mclk); | |
408 | } else if (drvdata->mclk) { | |
409 | unsigned int requestd_rate = drvdata->sysclk; | |
410 | clk_set_rate(drvdata->mclk, drvdata->sysclk); | |
411 | drvdata->sysclk = clk_get_rate(drvdata->mclk); | |
412 | if (drvdata->sysclk != requestd_rate) | |
413 | dev_warn(&pdev->dev, | |
414 | "Could not get requested rate %u using %u.\n", | |
415 | requestd_rate, drvdata->sysclk); | |
416 | } | |
ee2f615d HG |
417 | |
418 | snd_soc_card_set_drvdata(&evm_soc_card, drvdata); | |
419 | ret = devm_snd_soc_register_card(&pdev->dev, &evm_soc_card); | |
420 | ||
421 | if (ret) | |
422 | dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", ret); | |
423 | ||
424 | return ret; | |
425 | } | |
426 | ||
ee2f615d HG |
427 | static struct platform_driver davinci_evm_driver = { |
428 | .probe = davinci_evm_probe, | |
ee2f615d HG |
429 | .driver = { |
430 | .name = "davinci_evm", | |
fb6d208d | 431 | .pm = &snd_soc_pm_ops, |
ee2f615d HG |
432 | .of_match_table = of_match_ptr(davinci_evm_dt_ids), |
433 | }, | |
434 | }; | |
435 | #endif | |
436 | ||
310355c1 VB |
437 | static struct platform_device *evm_snd_device; |
438 | ||
439 | static int __init evm_init(void) | |
440 | { | |
f0fba2ad | 441 | struct snd_soc_card *evm_snd_dev_data; |
f492ec9f | 442 | int index; |
310355c1 VB |
443 | int ret; |
444 | ||
ee2f615d HG |
445 | /* |
446 | * If dtb is there, the devices will be created dynamically. | |
447 | * Only register platfrom driver structure. | |
448 | */ | |
449 | #if defined(CONFIG_OF) | |
450 | if (of_have_populated_dt()) | |
451 | return platform_driver_register(&davinci_evm_driver); | |
452 | #endif | |
453 | ||
aa9b88ee | 454 | if (machine_is_davinci_evm()) { |
bedad0ca | 455 | evm_snd_dev_data = &dm6446_snd_soc_card_evm; |
f492ec9f DB |
456 | index = 0; |
457 | } else if (machine_is_davinci_dm355_evm()) { | |
bedad0ca | 458 | evm_snd_dev_data = &dm355_snd_soc_card_evm; |
f492ec9f | 459 | index = 1; |
aa9b88ee | 460 | } else if (machine_is_davinci_dm365_evm()) { |
f0fba2ad | 461 | evm_snd_dev_data = &dm365_snd_soc_card_evm; |
aa9b88ee | 462 | index = 0; |
04f80f5c | 463 | } else if (machine_is_davinci_dm6467_evm()) { |
f0fba2ad | 464 | evm_snd_dev_data = &dm6467_snd_soc_card_evm; |
04f80f5c | 465 | index = 0; |
7ae5945f | 466 | } else if (machine_is_davinci_da830_evm()) { |
f0fba2ad | 467 | evm_snd_dev_data = &da830_snd_soc_card; |
7ae5945f | 468 | index = 1; |
30230f4c | 469 | } else if (machine_is_davinci_da850_evm()) { |
f0fba2ad | 470 | evm_snd_dev_data = &da850_snd_soc_card; |
30230f4c | 471 | index = 0; |
f492ec9f DB |
472 | } else |
473 | return -EINVAL; | |
474 | ||
475 | evm_snd_device = platform_device_alloc("soc-audio", index); | |
310355c1 VB |
476 | if (!evm_snd_device) |
477 | return -ENOMEM; | |
478 | ||
04f80f5c | 479 | platform_set_drvdata(evm_snd_device, evm_snd_dev_data); |
310355c1 VB |
480 | ret = platform_device_add(evm_snd_device); |
481 | if (ret) | |
482 | platform_device_put(evm_snd_device); | |
483 | ||
484 | return ret; | |
485 | } | |
486 | ||
487 | static void __exit evm_exit(void) | |
488 | { | |
ee2f615d HG |
489 | #if defined(CONFIG_OF) |
490 | if (of_have_populated_dt()) { | |
491 | platform_driver_unregister(&davinci_evm_driver); | |
492 | return; | |
493 | } | |
494 | #endif | |
495 | ||
310355c1 VB |
496 | platform_device_unregister(evm_snd_device); |
497 | } | |
498 | ||
499 | module_init(evm_init); | |
500 | module_exit(evm_exit); | |
501 | ||
502 | MODULE_AUTHOR("Vladimir Barinov"); | |
503 | MODULE_DESCRIPTION("TI DAVINCI EVM ASoC driver"); | |
504 | MODULE_LICENSE("GPL"); |