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> | |
aa6b904e | 17 | #include <linux/i2c.h> |
310355c1 VB |
18 | #include <sound/core.h> |
19 | #include <sound/pcm.h> | |
20 | #include <sound/soc.h> | |
310355c1 | 21 | |
310355c1 | 22 | #include <asm/dma.h> |
f492ec9f DB |
23 | #include <asm/mach-types.h> |
24 | ||
310355c1 VB |
25 | #include "davinci-pcm.h" |
26 | #include "davinci-i2s.h" | |
04f80f5c | 27 | #include "davinci-mcasp.h" |
310355c1 | 28 | |
d6f83396 TK |
29 | #define AUDIO_FORMAT (SND_SOC_DAIFMT_DSP_B | \ |
30 | SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_IB_NF) | |
310355c1 VB |
31 | static int evm_hw_params(struct snd_pcm_substream *substream, |
32 | struct snd_pcm_hw_params *params) | |
33 | { | |
34 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
f0fba2ad LG |
35 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
36 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
310355c1 | 37 | int ret = 0; |
05d5e991 DB |
38 | unsigned sysclk; |
39 | ||
40 | /* ASP1 on DM355 EVM is clocked by an external oscillator */ | |
9b95b166 MA |
41 | if (machine_is_davinci_dm355_evm() || machine_is_davinci_dm6467_evm() || |
42 | machine_is_davinci_dm365_evm()) | |
05d5e991 DB |
43 | sysclk = 27000000; |
44 | ||
45 | /* ASP0 in DM6446 EVM is clocked by U55, as configured by | |
46 | * board-dm644x-evm.c using GPIOs from U18. There are six | |
47 | * options; here we "know" we use a 48 KHz sample rate. | |
48 | */ | |
49 | else if (machine_is_davinci_evm()) | |
50 | sysclk = 12288000; | |
51 | ||
30230f4c C |
52 | else if (machine_is_davinci_da830_evm() || |
53 | machine_is_davinci_da850_evm()) | |
7ae5945f C |
54 | sysclk = 24576000; |
55 | ||
05d5e991 DB |
56 | else |
57 | return -EINVAL; | |
310355c1 VB |
58 | |
59 | /* set codec DAI configuration */ | |
9e031624 | 60 | ret = snd_soc_dai_set_fmt(codec_dai, AUDIO_FORMAT); |
310355c1 VB |
61 | if (ret < 0) |
62 | return ret; | |
63 | ||
64 | /* set cpu DAI configuration */ | |
9e031624 | 65 | ret = snd_soc_dai_set_fmt(cpu_dai, AUDIO_FORMAT); |
310355c1 VB |
66 | if (ret < 0) |
67 | return ret; | |
68 | ||
69 | /* set the codec system clock */ | |
05d5e991 | 70 | ret = snd_soc_dai_set_sysclk(codec_dai, 0, sysclk, SND_SOC_CLOCK_OUT); |
310355c1 VB |
71 | if (ret < 0) |
72 | return ret; | |
73 | ||
5b66aa2d DM |
74 | /* set the CPU system clock */ |
75 | ret = snd_soc_dai_set_sysclk(cpu_dai, 0, sysclk, SND_SOC_CLOCK_OUT); | |
76 | if (ret < 0) | |
77 | return ret; | |
78 | ||
310355c1 VB |
79 | return 0; |
80 | } | |
81 | ||
8d43d1bc C |
82 | static int evm_spdif_hw_params(struct snd_pcm_substream *substream, |
83 | struct snd_pcm_hw_params *params) | |
84 | { | |
85 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
f0fba2ad | 86 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; |
8d43d1bc C |
87 | |
88 | /* set cpu DAI configuration */ | |
89 | return snd_soc_dai_set_fmt(cpu_dai, AUDIO_FORMAT); | |
90 | } | |
91 | ||
310355c1 VB |
92 | static struct snd_soc_ops evm_ops = { |
93 | .hw_params = evm_hw_params, | |
94 | }; | |
95 | ||
8d43d1bc C |
96 | static struct snd_soc_ops evm_spdif_ops = { |
97 | .hw_params = evm_spdif_hw_params, | |
98 | }; | |
99 | ||
310355c1 VB |
100 | /* davinci-evm machine dapm widgets */ |
101 | static const struct snd_soc_dapm_widget aic3x_dapm_widgets[] = { | |
102 | SND_SOC_DAPM_HP("Headphone Jack", NULL), | |
103 | SND_SOC_DAPM_LINE("Line Out", NULL), | |
104 | SND_SOC_DAPM_MIC("Mic Jack", NULL), | |
105 | SND_SOC_DAPM_LINE("Line In", NULL), | |
106 | }; | |
107 | ||
108 | /* davinci-evm machine audio_mapnections to the codec pins */ | |
acf497f9 | 109 | static const struct snd_soc_dapm_route audio_map[] = { |
310355c1 VB |
110 | /* Headphone connected to HPLOUT, HPROUT */ |
111 | {"Headphone Jack", NULL, "HPLOUT"}, | |
112 | {"Headphone Jack", NULL, "HPROUT"}, | |
113 | ||
114 | /* Line Out connected to LLOUT, RLOUT */ | |
115 | {"Line Out", NULL, "LLOUT"}, | |
116 | {"Line Out", NULL, "RLOUT"}, | |
117 | ||
118 | /* Mic connected to (MIC3L | MIC3R) */ | |
e2e8bfdf HG |
119 | {"MIC3L", NULL, "Mic Bias"}, |
120 | {"MIC3R", NULL, "Mic Bias"}, | |
121 | {"Mic Bias", NULL, "Mic Jack"}, | |
310355c1 VB |
122 | |
123 | /* Line In connected to (LINE1L | LINE2L), (LINE1R | LINE2R) */ | |
124 | {"LINE1L", NULL, "Line In"}, | |
125 | {"LINE2L", NULL, "Line In"}, | |
126 | {"LINE1R", NULL, "Line In"}, | |
127 | {"LINE2R", NULL, "Line In"}, | |
310355c1 VB |
128 | }; |
129 | ||
130 | /* Logic for a aic3x as connected on a davinci-evm */ | |
f0fba2ad | 131 | static int evm_aic3x_init(struct snd_soc_pcm_runtime *rtd) |
310355c1 | 132 | { |
f0fba2ad | 133 | struct snd_soc_codec *codec = rtd->codec; |
ce6120cc | 134 | struct snd_soc_dapm_context *dapm = &codec->dapm; |
f0fba2ad | 135 | |
310355c1 | 136 | /* Add davinci-evm specific widgets */ |
ce6120cc | 137 | snd_soc_dapm_new_controls(dapm, aic3x_dapm_widgets, |
acf497f9 | 138 | ARRAY_SIZE(aic3x_dapm_widgets)); |
310355c1 VB |
139 | |
140 | /* Set up davinci-evm specific audio path audio_map */ | |
ce6120cc | 141 | snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map)); |
310355c1 VB |
142 | |
143 | /* not connected */ | |
ce6120cc LG |
144 | snd_soc_dapm_disable_pin(dapm, "MONO_LOUT"); |
145 | snd_soc_dapm_disable_pin(dapm, "HPLCOM"); | |
146 | snd_soc_dapm_disable_pin(dapm, "HPRCOM"); | |
310355c1 VB |
147 | |
148 | /* always connected */ | |
ce6120cc LG |
149 | snd_soc_dapm_enable_pin(dapm, "Headphone Jack"); |
150 | snd_soc_dapm_enable_pin(dapm, "Line Out"); | |
151 | snd_soc_dapm_enable_pin(dapm, "Mic Jack"); | |
152 | snd_soc_dapm_enable_pin(dapm, "Line In"); | |
310355c1 | 153 | |
310355c1 VB |
154 | return 0; |
155 | } | |
156 | ||
157 | /* davinci-evm digital audio interface glue - connects codec <--> CPU */ | |
bedad0ca | 158 | static struct snd_soc_dai_link dm6446_evm_dai = { |
310355c1 VB |
159 | .name = "TLV320AIC3X", |
160 | .stream_name = "AIC3X", | |
bedad0ca | 161 | .cpu_dai_name = "davinci-mcbsp", |
f0fba2ad | 162 | .codec_dai_name = "tlv320aic3x-hifi", |
bedad0ca | 163 | .codec_name = "tlv320aic3x-codec.1-001b", |
f08095a4 | 164 | .platform_name = "davinci-mcbsp", |
bedad0ca CPE |
165 | .init = evm_aic3x_init, |
166 | .ops = &evm_ops, | |
167 | }; | |
168 | ||
169 | static struct snd_soc_dai_link dm355_evm_dai = { | |
170 | .name = "TLV320AIC3X", | |
171 | .stream_name = "AIC3X", | |
172 | .cpu_dai_name = "davinci-mcbsp.1", | |
173 | .codec_dai_name = "tlv320aic3x-hifi", | |
174 | .codec_name = "tlv320aic3x-codec.1-001b", | |
f08095a4 | 175 | .platform_name = "davinci-mcbsp.1", |
310355c1 VB |
176 | .init = evm_aic3x_init, |
177 | .ops = &evm_ops, | |
178 | }; | |
179 | ||
aa9b88ee MA |
180 | static struct snd_soc_dai_link dm365_evm_dai = { |
181 | #ifdef CONFIG_SND_DM365_AIC3X_CODEC | |
182 | .name = "TLV320AIC3X", | |
183 | .stream_name = "AIC3X", | |
bedad0ca | 184 | .cpu_dai_name = "davinci-mcbsp", |
f0fba2ad | 185 | .codec_dai_name = "tlv320aic3x-hifi", |
aa9b88ee | 186 | .init = evm_aic3x_init, |
bedad0ca | 187 | .codec_name = "tlv320aic3x-codec.1-0018", |
aa9b88ee | 188 | .ops = &evm_ops, |
f08095a4 | 189 | .platform_name = "davinci-mcbsp", |
aa9b88ee MA |
190 | #elif defined(CONFIG_SND_DM365_VOICE_CODEC) |
191 | .name = "Voice Codec - CQ93VC", | |
192 | .stream_name = "CQ93", | |
f0fba2ad LG |
193 | .cpu_dai_name = "davinci-vcif", |
194 | .codec_dai_name = "cq93vc-hifi", | |
195 | .codec_name = "cq93vc-codec", | |
ffb690d5 | 196 | .platform_name = "davinci-vcif", |
aa9b88ee MA |
197 | #endif |
198 | }; | |
199 | ||
04f80f5c C |
200 | static struct snd_soc_dai_link dm6467_evm_dai[] = { |
201 | { | |
202 | .name = "TLV320AIC3X", | |
203 | .stream_name = "AIC3X", | |
f0fba2ad LG |
204 | .cpu_dai_name= "davinci-mcasp.0", |
205 | .codec_dai_name = "tlv320aic3x-hifi", | |
f08095a4 | 206 | .platform_name = "davinci-mcasp.0", |
f0fba2ad | 207 | .codec_name = "tlv320aic3x-codec.0-001a", |
04f80f5c C |
208 | .init = evm_aic3x_init, |
209 | .ops = &evm_ops, | |
210 | }, | |
211 | { | |
212 | .name = "McASP", | |
213 | .stream_name = "spdif", | |
f0fba2ad LG |
214 | .cpu_dai_name= "davinci-mcasp.1", |
215 | .codec_dai_name = "dit-hifi", | |
216 | .codec_name = "spdif_dit", | |
f08095a4 | 217 | .platform_name = "davinci-mcasp.1", |
8d43d1bc | 218 | .ops = &evm_spdif_ops, |
04f80f5c C |
219 | }, |
220 | }; | |
f9eb9dd1 VB |
221 | |
222 | static struct snd_soc_dai_link da830_evm_dai = { | |
223 | .name = "TLV320AIC3X", | |
224 | .stream_name = "AIC3X", | |
225 | .cpu_dai_name = "davinci-mcasp.1", | |
226 | .codec_dai_name = "tlv320aic3x-hifi", | |
227 | .codec_name = "tlv320aic3x-codec.1-0018", | |
f08095a4 | 228 | .platform_name = "davinci-mcasp.1", |
f9eb9dd1 VB |
229 | .init = evm_aic3x_init, |
230 | .ops = &evm_ops, | |
231 | }; | |
232 | ||
233 | static struct snd_soc_dai_link da850_evm_dai = { | |
7ae5945f C |
234 | .name = "TLV320AIC3X", |
235 | .stream_name = "AIC3X", | |
f0fba2ad LG |
236 | .cpu_dai_name= "davinci-mcasp.0", |
237 | .codec_dai_name = "tlv320aic3x-hifi", | |
dc5a460a | 238 | .codec_name = "tlv320aic3x-codec.1-0018", |
f08095a4 | 239 | .platform_name = "davinci-mcasp.0", |
7ae5945f C |
240 | .init = evm_aic3x_init, |
241 | .ops = &evm_ops, | |
242 | }; | |
04f80f5c | 243 | |
bedad0ca CPE |
244 | /* davinci dm6446 evm audio machine driver */ |
245 | static struct snd_soc_card dm6446_snd_soc_card_evm = { | |
246 | .name = "DaVinci DM6446 EVM", | |
36a16d1a | 247 | .owner = THIS_MODULE, |
bedad0ca CPE |
248 | .dai_link = &dm6446_evm_dai, |
249 | .num_links = 1, | |
250 | }; | |
251 | ||
252 | /* davinci dm355 evm audio machine driver */ | |
253 | static struct snd_soc_card dm355_snd_soc_card_evm = { | |
254 | .name = "DaVinci DM355 EVM", | |
36a16d1a | 255 | .owner = THIS_MODULE, |
bedad0ca | 256 | .dai_link = &dm355_evm_dai, |
310355c1 VB |
257 | .num_links = 1, |
258 | }; | |
259 | ||
aa9b88ee MA |
260 | /* davinci dm365 evm audio machine driver */ |
261 | static struct snd_soc_card dm365_snd_soc_card_evm = { | |
262 | .name = "DaVinci DM365 EVM", | |
36a16d1a | 263 | .owner = THIS_MODULE, |
aa9b88ee MA |
264 | .dai_link = &dm365_evm_dai, |
265 | .num_links = 1, | |
266 | }; | |
267 | ||
04f80f5c C |
268 | /* davinci dm6467 evm audio machine driver */ |
269 | static struct snd_soc_card dm6467_snd_soc_card_evm = { | |
270 | .name = "DaVinci DM6467 EVM", | |
36a16d1a | 271 | .owner = THIS_MODULE, |
04f80f5c C |
272 | .dai_link = dm6467_evm_dai, |
273 | .num_links = ARRAY_SIZE(dm6467_evm_dai), | |
274 | }; | |
275 | ||
7ae5945f | 276 | static struct snd_soc_card da830_snd_soc_card = { |
30230f4c | 277 | .name = "DA830/OMAP-L137 EVM", |
36a16d1a | 278 | .owner = THIS_MODULE, |
f9eb9dd1 | 279 | .dai_link = &da830_evm_dai, |
30230f4c C |
280 | .num_links = 1, |
281 | }; | |
282 | ||
283 | static struct snd_soc_card da850_snd_soc_card = { | |
284 | .name = "DA850/OMAP-L138 EVM", | |
36a16d1a | 285 | .owner = THIS_MODULE, |
f9eb9dd1 | 286 | .dai_link = &da850_evm_dai, |
7ae5945f C |
287 | .num_links = 1, |
288 | }; | |
289 | ||
310355c1 VB |
290 | static struct platform_device *evm_snd_device; |
291 | ||
292 | static int __init evm_init(void) | |
293 | { | |
f0fba2ad | 294 | struct snd_soc_card *evm_snd_dev_data; |
f492ec9f | 295 | int index; |
310355c1 VB |
296 | int ret; |
297 | ||
aa9b88ee | 298 | if (machine_is_davinci_evm()) { |
bedad0ca | 299 | evm_snd_dev_data = &dm6446_snd_soc_card_evm; |
f492ec9f DB |
300 | index = 0; |
301 | } else if (machine_is_davinci_dm355_evm()) { | |
bedad0ca | 302 | evm_snd_dev_data = &dm355_snd_soc_card_evm; |
f492ec9f | 303 | index = 1; |
aa9b88ee | 304 | } else if (machine_is_davinci_dm365_evm()) { |
f0fba2ad | 305 | evm_snd_dev_data = &dm365_snd_soc_card_evm; |
aa9b88ee | 306 | index = 0; |
04f80f5c | 307 | } else if (machine_is_davinci_dm6467_evm()) { |
f0fba2ad | 308 | evm_snd_dev_data = &dm6467_snd_soc_card_evm; |
04f80f5c | 309 | index = 0; |
7ae5945f | 310 | } else if (machine_is_davinci_da830_evm()) { |
f0fba2ad | 311 | evm_snd_dev_data = &da830_snd_soc_card; |
7ae5945f | 312 | index = 1; |
30230f4c | 313 | } else if (machine_is_davinci_da850_evm()) { |
f0fba2ad | 314 | evm_snd_dev_data = &da850_snd_soc_card; |
30230f4c | 315 | index = 0; |
f492ec9f DB |
316 | } else |
317 | return -EINVAL; | |
318 | ||
319 | evm_snd_device = platform_device_alloc("soc-audio", index); | |
310355c1 VB |
320 | if (!evm_snd_device) |
321 | return -ENOMEM; | |
322 | ||
04f80f5c | 323 | platform_set_drvdata(evm_snd_device, evm_snd_dev_data); |
310355c1 VB |
324 | ret = platform_device_add(evm_snd_device); |
325 | if (ret) | |
326 | platform_device_put(evm_snd_device); | |
327 | ||
328 | return ret; | |
329 | } | |
330 | ||
331 | static void __exit evm_exit(void) | |
332 | { | |
333 | platform_device_unregister(evm_snd_device); | |
334 | } | |
335 | ||
336 | module_init(evm_init); | |
337 | module_exit(evm_exit); | |
338 | ||
339 | MODULE_AUTHOR("Vladimir Barinov"); | |
340 | MODULE_DESCRIPTION("TI DAVINCI EVM ASoC driver"); | |
341 | MODULE_LICENSE("GPL"); |