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 | ||
25 | #include <mach/asp.h> | |
26 | #include <mach/edma.h> | |
27 | #include <mach/mux.h> | |
310355c1 | 28 | |
310355c1 VB |
29 | #include "davinci-pcm.h" |
30 | #include "davinci-i2s.h" | |
04f80f5c | 31 | #include "davinci-mcasp.h" |
310355c1 | 32 | |
d6f83396 TK |
33 | #define AUDIO_FORMAT (SND_SOC_DAIFMT_DSP_B | \ |
34 | SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_IB_NF) | |
310355c1 VB |
35 | static int evm_hw_params(struct snd_pcm_substream *substream, |
36 | struct snd_pcm_hw_params *params) | |
37 | { | |
38 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
f0fba2ad LG |
39 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
40 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
310355c1 | 41 | int ret = 0; |
05d5e991 DB |
42 | unsigned sysclk; |
43 | ||
44 | /* ASP1 on DM355 EVM is clocked by an external oscillator */ | |
9b95b166 MA |
45 | if (machine_is_davinci_dm355_evm() || machine_is_davinci_dm6467_evm() || |
46 | machine_is_davinci_dm365_evm()) | |
05d5e991 DB |
47 | sysclk = 27000000; |
48 | ||
49 | /* ASP0 in DM6446 EVM is clocked by U55, as configured by | |
50 | * board-dm644x-evm.c using GPIOs from U18. There are six | |
51 | * options; here we "know" we use a 48 KHz sample rate. | |
52 | */ | |
53 | else if (machine_is_davinci_evm()) | |
54 | sysclk = 12288000; | |
55 | ||
30230f4c C |
56 | else if (machine_is_davinci_da830_evm() || |
57 | machine_is_davinci_da850_evm()) | |
7ae5945f C |
58 | sysclk = 24576000; |
59 | ||
05d5e991 DB |
60 | else |
61 | return -EINVAL; | |
310355c1 VB |
62 | |
63 | /* set codec DAI configuration */ | |
9e031624 | 64 | ret = snd_soc_dai_set_fmt(codec_dai, AUDIO_FORMAT); |
310355c1 VB |
65 | if (ret < 0) |
66 | return ret; | |
67 | ||
68 | /* set cpu DAI configuration */ | |
9e031624 | 69 | ret = snd_soc_dai_set_fmt(cpu_dai, AUDIO_FORMAT); |
310355c1 VB |
70 | if (ret < 0) |
71 | return ret; | |
72 | ||
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 | ||
78 | return 0; | |
79 | } | |
80 | ||
8d43d1bc C |
81 | static int evm_spdif_hw_params(struct snd_pcm_substream *substream, |
82 | struct snd_pcm_hw_params *params) | |
83 | { | |
84 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
f0fba2ad | 85 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; |
8d43d1bc C |
86 | |
87 | /* set cpu DAI configuration */ | |
88 | return snd_soc_dai_set_fmt(cpu_dai, AUDIO_FORMAT); | |
89 | } | |
90 | ||
310355c1 VB |
91 | static struct snd_soc_ops evm_ops = { |
92 | .hw_params = evm_hw_params, | |
93 | }; | |
94 | ||
8d43d1bc C |
95 | static struct snd_soc_ops evm_spdif_ops = { |
96 | .hw_params = evm_spdif_hw_params, | |
97 | }; | |
98 | ||
310355c1 VB |
99 | /* davinci-evm machine dapm widgets */ |
100 | static const struct snd_soc_dapm_widget aic3x_dapm_widgets[] = { | |
101 | SND_SOC_DAPM_HP("Headphone Jack", NULL), | |
102 | SND_SOC_DAPM_LINE("Line Out", NULL), | |
103 | SND_SOC_DAPM_MIC("Mic Jack", NULL), | |
104 | SND_SOC_DAPM_LINE("Line In", NULL), | |
105 | }; | |
106 | ||
107 | /* davinci-evm machine audio_mapnections to the codec pins */ | |
acf497f9 | 108 | static const struct snd_soc_dapm_route audio_map[] = { |
310355c1 VB |
109 | /* Headphone connected to HPLOUT, HPROUT */ |
110 | {"Headphone Jack", NULL, "HPLOUT"}, | |
111 | {"Headphone Jack", NULL, "HPROUT"}, | |
112 | ||
113 | /* Line Out connected to LLOUT, RLOUT */ | |
114 | {"Line Out", NULL, "LLOUT"}, | |
115 | {"Line Out", NULL, "RLOUT"}, | |
116 | ||
117 | /* Mic connected to (MIC3L | MIC3R) */ | |
118 | {"MIC3L", NULL, "Mic Bias 2V"}, | |
119 | {"MIC3R", NULL, "Mic Bias 2V"}, | |
120 | {"Mic Bias 2V", NULL, "Mic Jack"}, | |
121 | ||
122 | /* Line In connected to (LINE1L | LINE2L), (LINE1R | LINE2R) */ | |
123 | {"LINE1L", NULL, "Line In"}, | |
124 | {"LINE2L", NULL, "Line In"}, | |
125 | {"LINE1R", NULL, "Line In"}, | |
126 | {"LINE2R", NULL, "Line In"}, | |
310355c1 VB |
127 | }; |
128 | ||
129 | /* Logic for a aic3x as connected on a davinci-evm */ | |
f0fba2ad | 130 | static int evm_aic3x_init(struct snd_soc_pcm_runtime *rtd) |
310355c1 | 131 | { |
f0fba2ad | 132 | struct snd_soc_codec *codec = rtd->codec; |
ce6120cc | 133 | struct snd_soc_dapm_context *dapm = &codec->dapm; |
f0fba2ad | 134 | |
310355c1 | 135 | /* Add davinci-evm specific widgets */ |
ce6120cc | 136 | snd_soc_dapm_new_controls(dapm, aic3x_dapm_widgets, |
acf497f9 | 137 | ARRAY_SIZE(aic3x_dapm_widgets)); |
310355c1 VB |
138 | |
139 | /* Set up davinci-evm specific audio path audio_map */ | |
ce6120cc | 140 | snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map)); |
310355c1 VB |
141 | |
142 | /* not connected */ | |
ce6120cc LG |
143 | snd_soc_dapm_disable_pin(dapm, "MONO_LOUT"); |
144 | snd_soc_dapm_disable_pin(dapm, "HPLCOM"); | |
145 | snd_soc_dapm_disable_pin(dapm, "HPRCOM"); | |
310355c1 VB |
146 | |
147 | /* always connected */ | |
ce6120cc LG |
148 | snd_soc_dapm_enable_pin(dapm, "Headphone Jack"); |
149 | snd_soc_dapm_enable_pin(dapm, "Line Out"); | |
150 | snd_soc_dapm_enable_pin(dapm, "Mic Jack"); | |
151 | snd_soc_dapm_enable_pin(dapm, "Line In"); | |
310355c1 | 152 | |
ce6120cc | 153 | snd_soc_dapm_sync(dapm); |
310355c1 VB |
154 | |
155 | return 0; | |
156 | } | |
157 | ||
158 | /* davinci-evm digital audio interface glue - connects codec <--> CPU */ | |
bedad0ca | 159 | static struct snd_soc_dai_link dm6446_evm_dai = { |
310355c1 VB |
160 | .name = "TLV320AIC3X", |
161 | .stream_name = "AIC3X", | |
bedad0ca | 162 | .cpu_dai_name = "davinci-mcbsp", |
f0fba2ad | 163 | .codec_dai_name = "tlv320aic3x-hifi", |
bedad0ca CPE |
164 | .codec_name = "tlv320aic3x-codec.1-001b", |
165 | .platform_name = "davinci-pcm-audio", | |
166 | .init = evm_aic3x_init, | |
167 | .ops = &evm_ops, | |
168 | }; | |
169 | ||
170 | static struct snd_soc_dai_link dm355_evm_dai = { | |
171 | .name = "TLV320AIC3X", | |
172 | .stream_name = "AIC3X", | |
173 | .cpu_dai_name = "davinci-mcbsp.1", | |
174 | .codec_dai_name = "tlv320aic3x-hifi", | |
175 | .codec_name = "tlv320aic3x-codec.1-001b", | |
f0fba2ad | 176 | .platform_name = "davinci-pcm-audio", |
310355c1 VB |
177 | .init = evm_aic3x_init, |
178 | .ops = &evm_ops, | |
179 | }; | |
180 | ||
aa9b88ee MA |
181 | static struct snd_soc_dai_link dm365_evm_dai = { |
182 | #ifdef CONFIG_SND_DM365_AIC3X_CODEC | |
183 | .name = "TLV320AIC3X", | |
184 | .stream_name = "AIC3X", | |
bedad0ca | 185 | .cpu_dai_name = "davinci-mcbsp", |
f0fba2ad | 186 | .codec_dai_name = "tlv320aic3x-hifi", |
aa9b88ee | 187 | .init = evm_aic3x_init, |
bedad0ca | 188 | .codec_name = "tlv320aic3x-codec.1-0018", |
aa9b88ee MA |
189 | .ops = &evm_ops, |
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", | |
aa9b88ee | 196 | #endif |
f0fba2ad | 197 | .platform_name = "davinci-pcm-audio", |
aa9b88ee MA |
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", | |
206 | .platform_name ="davinci-pcm-audio", | |
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", | |
217 | .platform_name = "davinci-pcm-audio", | |
8d43d1bc | 218 | .ops = &evm_spdif_ops, |
04f80f5c C |
219 | }, |
220 | }; | |
30230f4c | 221 | static struct snd_soc_dai_link da8xx_evm_dai = { |
7ae5945f C |
222 | .name = "TLV320AIC3X", |
223 | .stream_name = "AIC3X", | |
f0fba2ad LG |
224 | .cpu_dai_name= "davinci-mcasp.0", |
225 | .codec_dai_name = "tlv320aic3x-hifi", | |
dc5a460a | 226 | .codec_name = "tlv320aic3x-codec.1-0018", |
f0fba2ad | 227 | .platform_name = "davinci-pcm-audio", |
7ae5945f C |
228 | .init = evm_aic3x_init, |
229 | .ops = &evm_ops, | |
230 | }; | |
04f80f5c | 231 | |
bedad0ca CPE |
232 | /* davinci dm6446 evm audio machine driver */ |
233 | static struct snd_soc_card dm6446_snd_soc_card_evm = { | |
234 | .name = "DaVinci DM6446 EVM", | |
235 | .dai_link = &dm6446_evm_dai, | |
236 | .num_links = 1, | |
237 | }; | |
238 | ||
239 | /* davinci dm355 evm audio machine driver */ | |
240 | static struct snd_soc_card dm355_snd_soc_card_evm = { | |
241 | .name = "DaVinci DM355 EVM", | |
242 | .dai_link = &dm355_evm_dai, | |
310355c1 VB |
243 | .num_links = 1, |
244 | }; | |
245 | ||
aa9b88ee MA |
246 | /* davinci dm365 evm audio machine driver */ |
247 | static struct snd_soc_card dm365_snd_soc_card_evm = { | |
248 | .name = "DaVinci DM365 EVM", | |
aa9b88ee MA |
249 | .dai_link = &dm365_evm_dai, |
250 | .num_links = 1, | |
251 | }; | |
252 | ||
04f80f5c C |
253 | /* davinci dm6467 evm audio machine driver */ |
254 | static struct snd_soc_card dm6467_snd_soc_card_evm = { | |
255 | .name = "DaVinci DM6467 EVM", | |
04f80f5c C |
256 | .dai_link = dm6467_evm_dai, |
257 | .num_links = ARRAY_SIZE(dm6467_evm_dai), | |
258 | }; | |
259 | ||
7ae5945f | 260 | static struct snd_soc_card da830_snd_soc_card = { |
30230f4c C |
261 | .name = "DA830/OMAP-L137 EVM", |
262 | .dai_link = &da8xx_evm_dai, | |
30230f4c C |
263 | .num_links = 1, |
264 | }; | |
265 | ||
266 | static struct snd_soc_card da850_snd_soc_card = { | |
267 | .name = "DA850/OMAP-L138 EVM", | |
268 | .dai_link = &da8xx_evm_dai, | |
7ae5945f C |
269 | .num_links = 1, |
270 | }; | |
271 | ||
310355c1 VB |
272 | static struct platform_device *evm_snd_device; |
273 | ||
274 | static int __init evm_init(void) | |
275 | { | |
f0fba2ad | 276 | struct snd_soc_card *evm_snd_dev_data; |
f492ec9f | 277 | int index; |
310355c1 VB |
278 | int ret; |
279 | ||
aa9b88ee | 280 | if (machine_is_davinci_evm()) { |
bedad0ca | 281 | evm_snd_dev_data = &dm6446_snd_soc_card_evm; |
f492ec9f DB |
282 | index = 0; |
283 | } else if (machine_is_davinci_dm355_evm()) { | |
bedad0ca | 284 | evm_snd_dev_data = &dm355_snd_soc_card_evm; |
f492ec9f | 285 | index = 1; |
aa9b88ee | 286 | } else if (machine_is_davinci_dm365_evm()) { |
f0fba2ad | 287 | evm_snd_dev_data = &dm365_snd_soc_card_evm; |
aa9b88ee | 288 | index = 0; |
04f80f5c | 289 | } else if (machine_is_davinci_dm6467_evm()) { |
f0fba2ad | 290 | evm_snd_dev_data = &dm6467_snd_soc_card_evm; |
04f80f5c | 291 | index = 0; |
7ae5945f | 292 | } else if (machine_is_davinci_da830_evm()) { |
f0fba2ad | 293 | evm_snd_dev_data = &da830_snd_soc_card; |
7ae5945f | 294 | index = 1; |
30230f4c | 295 | } else if (machine_is_davinci_da850_evm()) { |
f0fba2ad | 296 | evm_snd_dev_data = &da850_snd_soc_card; |
30230f4c | 297 | index = 0; |
f492ec9f DB |
298 | } else |
299 | return -EINVAL; | |
300 | ||
301 | evm_snd_device = platform_device_alloc("soc-audio", index); | |
310355c1 VB |
302 | if (!evm_snd_device) |
303 | return -ENOMEM; | |
304 | ||
04f80f5c | 305 | platform_set_drvdata(evm_snd_device, evm_snd_dev_data); |
310355c1 VB |
306 | ret = platform_device_add(evm_snd_device); |
307 | if (ret) | |
308 | platform_device_put(evm_snd_device); | |
309 | ||
310 | return ret; | |
311 | } | |
312 | ||
313 | static void __exit evm_exit(void) | |
314 | { | |
315 | platform_device_unregister(evm_snd_device); | |
316 | } | |
317 | ||
318 | module_init(evm_init); | |
319 | module_exit(evm_exit); | |
320 | ||
321 | MODULE_AUTHOR("Vladimir Barinov"); | |
322 | MODULE_DESCRIPTION("TI DAVINCI EVM ASoC driver"); | |
323 | MODULE_LICENSE("GPL"); |