diff options
Diffstat (limited to 'sound/soc/samsung/goni_wm8994.c')
-rw-r--r-- | sound/soc/samsung/goni_wm8994.c | 314 |
1 files changed, 314 insertions, 0 deletions
diff --git a/sound/soc/samsung/goni_wm8994.c b/sound/soc/samsung/goni_wm8994.c new file mode 100644 index 00000000000..34dd9ef1b9c --- /dev/null +++ b/sound/soc/samsung/goni_wm8994.c | |||
@@ -0,0 +1,314 @@ | |||
1 | /* | ||
2 | * goni_wm8994.c | ||
3 | * | ||
4 | * Copyright (C) 2010 Samsung Electronics Co.Ltd | ||
5 | * Author: Chanwoo Choi <cw00.choi@samsung.com> | ||
6 | * | ||
7 | * This program is free software; you can redistribute it and/or modify it | ||
8 | * under the terms of the GNU General Public License as published by the | ||
9 | * Free Software Foundation; either version 2 of the License, or (at your | ||
10 | * option) any later version. | ||
11 | * | ||
12 | */ | ||
13 | |||
14 | #include <linux/module.h> | ||
15 | #include <linux/moduleparam.h> | ||
16 | #include <linux/io.h> | ||
17 | #include <linux/platform_device.h> | ||
18 | #include <sound/soc.h> | ||
19 | #include <sound/jack.h> | ||
20 | #include <asm/mach-types.h> | ||
21 | #include <mach/gpio.h> | ||
22 | #include <mach/regs-clock.h> | ||
23 | |||
24 | #include <linux/mfd/wm8994/core.h> | ||
25 | #include <linux/mfd/wm8994/registers.h> | ||
26 | #include "../codecs/wm8994.h" | ||
27 | #include "dma.h" | ||
28 | #include "i2s.h" | ||
29 | |||
30 | #define MACHINE_NAME 0 | ||
31 | #define CPU_VOICE_DAI 1 | ||
32 | |||
33 | static const char *aquila_str[] = { | ||
34 | [MACHINE_NAME] = "aquila", | ||
35 | [CPU_VOICE_DAI] = "aquila-voice-dai", | ||
36 | }; | ||
37 | |||
38 | static struct snd_soc_card goni; | ||
39 | static struct platform_device *goni_snd_device; | ||
40 | |||
41 | /* 3.5 pie jack */ | ||
42 | static struct snd_soc_jack jack; | ||
43 | |||
44 | /* 3.5 pie jack detection DAPM pins */ | ||
45 | static struct snd_soc_jack_pin jack_pins[] = { | ||
46 | { | ||
47 | .pin = "Headset Mic", | ||
48 | .mask = SND_JACK_MICROPHONE, | ||
49 | }, { | ||
50 | .pin = "Headset Stereophone", | ||
51 | .mask = SND_JACK_HEADPHONE | SND_JACK_MECHANICAL | | ||
52 | SND_JACK_AVOUT, | ||
53 | }, | ||
54 | }; | ||
55 | |||
56 | /* 3.5 pie jack detection gpios */ | ||
57 | static struct snd_soc_jack_gpio jack_gpios[] = { | ||
58 | { | ||
59 | .gpio = S5PV210_GPH0(6), | ||
60 | .name = "DET_3.5", | ||
61 | .report = SND_JACK_HEADSET | SND_JACK_MECHANICAL | | ||
62 | SND_JACK_AVOUT, | ||
63 | .debounce_time = 200, | ||
64 | }, | ||
65 | }; | ||
66 | |||
67 | static const struct snd_soc_dapm_widget goni_dapm_widgets[] = { | ||
68 | SND_SOC_DAPM_SPK("Ext Left Spk", NULL), | ||
69 | SND_SOC_DAPM_SPK("Ext Right Spk", NULL), | ||
70 | SND_SOC_DAPM_SPK("Ext Rcv", NULL), | ||
71 | SND_SOC_DAPM_HP("Headset Stereophone", NULL), | ||
72 | SND_SOC_DAPM_MIC("Headset Mic", NULL), | ||
73 | SND_SOC_DAPM_MIC("Main Mic", NULL), | ||
74 | SND_SOC_DAPM_MIC("2nd Mic", NULL), | ||
75 | SND_SOC_DAPM_LINE("Radio In", NULL), | ||
76 | }; | ||
77 | |||
78 | static const struct snd_soc_dapm_route goni_dapm_routes[] = { | ||
79 | {"Ext Left Spk", NULL, "SPKOUTLP"}, | ||
80 | {"Ext Left Spk", NULL, "SPKOUTLN"}, | ||
81 | |||
82 | {"Ext Right Spk", NULL, "SPKOUTRP"}, | ||
83 | {"Ext Right Spk", NULL, "SPKOUTRN"}, | ||
84 | |||
85 | {"Ext Rcv", NULL, "HPOUT2N"}, | ||
86 | {"Ext Rcv", NULL, "HPOUT2P"}, | ||
87 | |||
88 | {"Headset Stereophone", NULL, "HPOUT1L"}, | ||
89 | {"Headset Stereophone", NULL, "HPOUT1R"}, | ||
90 | |||
91 | {"IN1RN", NULL, "Headset Mic"}, | ||
92 | {"IN1RP", NULL, "Headset Mic"}, | ||
93 | |||
94 | {"IN1RN", NULL, "2nd Mic"}, | ||
95 | {"IN1RP", NULL, "2nd Mic"}, | ||
96 | |||
97 | {"IN1LN", NULL, "Main Mic"}, | ||
98 | {"IN1LP", NULL, "Main Mic"}, | ||
99 | |||
100 | {"IN2LN", NULL, "Radio In"}, | ||
101 | {"IN2RN", NULL, "Radio In"}, | ||
102 | }; | ||
103 | |||
104 | static int goni_wm8994_init(struct snd_soc_pcm_runtime *rtd) | ||
105 | { | ||
106 | struct snd_soc_codec *codec = rtd->codec; | ||
107 | struct snd_soc_dapm_context *dapm = &codec->dapm; | ||
108 | int ret; | ||
109 | |||
110 | /* add goni specific widgets */ | ||
111 | snd_soc_dapm_new_controls(dapm, goni_dapm_widgets, | ||
112 | ARRAY_SIZE(goni_dapm_widgets)); | ||
113 | |||
114 | /* set up goni specific audio routes */ | ||
115 | snd_soc_dapm_add_routes(dapm, goni_dapm_routes, | ||
116 | ARRAY_SIZE(goni_dapm_routes)); | ||
117 | |||
118 | /* set endpoints to not connected */ | ||
119 | snd_soc_dapm_nc_pin(dapm, "IN2LP:VXRN"); | ||
120 | snd_soc_dapm_nc_pin(dapm, "IN2RP:VXRP"); | ||
121 | snd_soc_dapm_nc_pin(dapm, "LINEOUT1N"); | ||
122 | snd_soc_dapm_nc_pin(dapm, "LINEOUT1P"); | ||
123 | snd_soc_dapm_nc_pin(dapm, "LINEOUT2N"); | ||
124 | snd_soc_dapm_nc_pin(dapm, "LINEOUT2P"); | ||
125 | |||
126 | if (machine_is_aquila()) { | ||
127 | snd_soc_dapm_nc_pin(dapm, "SPKOUTRN"); | ||
128 | snd_soc_dapm_nc_pin(dapm, "SPKOUTRP"); | ||
129 | } | ||
130 | |||
131 | snd_soc_dapm_sync(dapm); | ||
132 | |||
133 | /* Headset jack detection */ | ||
134 | ret = snd_soc_jack_new(codec, "Headset Jack", | ||
135 | SND_JACK_HEADSET | SND_JACK_MECHANICAL | SND_JACK_AVOUT, | ||
136 | &jack); | ||
137 | if (ret) | ||
138 | return ret; | ||
139 | |||
140 | ret = snd_soc_jack_add_pins(&jack, ARRAY_SIZE(jack_pins), jack_pins); | ||
141 | if (ret) | ||
142 | return ret; | ||
143 | |||
144 | ret = snd_soc_jack_add_gpios(&jack, ARRAY_SIZE(jack_gpios), jack_gpios); | ||
145 | if (ret) | ||
146 | return ret; | ||
147 | |||
148 | return 0; | ||
149 | } | ||
150 | |||
151 | static int goni_hifi_hw_params(struct snd_pcm_substream *substream, | ||
152 | struct snd_pcm_hw_params *params) | ||
153 | { | ||
154 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | ||
155 | struct snd_soc_dai *codec_dai = rtd->codec_dai; | ||
156 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | ||
157 | unsigned int pll_out = 24000000; | ||
158 | int ret = 0; | ||
159 | |||
160 | /* set the cpu DAI configuration */ | ||
161 | ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S | | ||
162 | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM); | ||
163 | if (ret < 0) | ||
164 | return ret; | ||
165 | |||
166 | /* set codec DAI configuration */ | ||
167 | ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S | | ||
168 | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM); | ||
169 | if (ret < 0) | ||
170 | return ret; | ||
171 | |||
172 | /* set the codec FLL */ | ||
173 | ret = snd_soc_dai_set_pll(codec_dai, WM8994_FLL1, 0, pll_out, | ||
174 | params_rate(params) * 256); | ||
175 | if (ret < 0) | ||
176 | return ret; | ||
177 | |||
178 | /* set the codec system clock */ | ||
179 | ret = snd_soc_dai_set_sysclk(codec_dai, WM8994_SYSCLK_FLL1, | ||
180 | params_rate(params) * 256, SND_SOC_CLOCK_IN); | ||
181 | if (ret < 0) | ||
182 | return ret; | ||
183 | |||
184 | return 0; | ||
185 | } | ||
186 | |||
187 | static struct snd_soc_ops goni_hifi_ops = { | ||
188 | .hw_params = goni_hifi_hw_params, | ||
189 | }; | ||
190 | |||
191 | static int goni_voice_hw_params(struct snd_pcm_substream *substream, | ||
192 | struct snd_pcm_hw_params *params) | ||
193 | { | ||
194 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | ||
195 | struct snd_soc_dai *codec_dai = rtd->codec_dai; | ||
196 | unsigned int pll_out = 24000000; | ||
197 | int ret = 0; | ||
198 | |||
199 | if (params_rate(params) != 8000) | ||
200 | return -EINVAL; | ||
201 | |||
202 | /* set codec DAI configuration */ | ||
203 | ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_LEFT_J | | ||
204 | SND_SOC_DAIFMT_IB_IF | SND_SOC_DAIFMT_CBM_CFM); | ||
205 | if (ret < 0) | ||
206 | return ret; | ||
207 | |||
208 | /* set the codec FLL */ | ||
209 | ret = snd_soc_dai_set_pll(codec_dai, WM8994_FLL2, 0, pll_out, | ||
210 | params_rate(params) * 256); | ||
211 | if (ret < 0) | ||
212 | return ret; | ||
213 | |||
214 | /* set the codec system clock */ | ||
215 | ret = snd_soc_dai_set_sysclk(codec_dai, WM8994_SYSCLK_FLL2, | ||
216 | params_rate(params) * 256, SND_SOC_CLOCK_IN); | ||
217 | if (ret < 0) | ||
218 | return ret; | ||
219 | |||
220 | return 0; | ||
221 | } | ||
222 | |||
223 | static struct snd_soc_dai_driver voice_dai = { | ||
224 | .name = "goni-voice-dai", | ||
225 | .id = 0, | ||
226 | .playback = { | ||
227 | .channels_min = 1, | ||
228 | .channels_max = 2, | ||
229 | .rates = SNDRV_PCM_RATE_8000, | ||
230 | .formats = SNDRV_PCM_FMTBIT_S16_LE,}, | ||
231 | .capture = { | ||
232 | .channels_min = 1, | ||
233 | .channels_max = 2, | ||
234 | .rates = SNDRV_PCM_RATE_8000, | ||
235 | .formats = SNDRV_PCM_FMTBIT_S16_LE,}, | ||
236 | }; | ||
237 | |||
238 | static struct snd_soc_ops goni_voice_ops = { | ||
239 | .hw_params = goni_voice_hw_params, | ||
240 | }; | ||
241 | |||
242 | static struct snd_soc_dai_link goni_dai[] = { | ||
243 | { | ||
244 | .name = "WM8994", | ||
245 | .stream_name = "WM8994 HiFi", | ||
246 | .cpu_dai_name = "samsung-i2s.0", | ||
247 | .codec_dai_name = "wm8994-hifi", | ||
248 | .platform_name = "samsung-audio", | ||
249 | .codec_name = "wm8994-codec.0-0x1a", | ||
250 | .init = goni_wm8994_init, | ||
251 | .ops = &goni_hifi_ops, | ||
252 | }, { | ||
253 | .name = "WM8994 Voice", | ||
254 | .stream_name = "Voice", | ||
255 | .cpu_dai_name = "goni-voice-dai", | ||
256 | .codec_dai_name = "wm8994-voice", | ||
257 | .platform_name = "samsung-audio", | ||
258 | .codec_name = "wm8994-codec.0-0x1a", | ||
259 | .ops = &goni_voice_ops, | ||
260 | }, | ||
261 | }; | ||
262 | |||
263 | static struct snd_soc_card goni = { | ||
264 | .name = "goni", | ||
265 | .dai_link = goni_dai, | ||
266 | .num_links = ARRAY_SIZE(goni_dai), | ||
267 | }; | ||
268 | |||
269 | static int __init goni_init(void) | ||
270 | { | ||
271 | int ret; | ||
272 | |||
273 | if (machine_is_aquila()) { | ||
274 | voice_dai.name = aquila_str[CPU_VOICE_DAI]; | ||
275 | goni_dai[1].cpu_dai_name = aquila_str[CPU_VOICE_DAI]; | ||
276 | goni.name = aquila_str[MACHINE_NAME]; | ||
277 | } else if (!machine_is_goni()) | ||
278 | return -ENODEV; | ||
279 | |||
280 | goni_snd_device = platform_device_alloc("soc-audio", -1); | ||
281 | if (!goni_snd_device) | ||
282 | return -ENOMEM; | ||
283 | |||
284 | /* register voice DAI here */ | ||
285 | ret = snd_soc_register_dai(&goni_snd_device->dev, &voice_dai); | ||
286 | if (ret) { | ||
287 | platform_device_put(goni_snd_device); | ||
288 | return ret; | ||
289 | } | ||
290 | |||
291 | platform_set_drvdata(goni_snd_device, &goni); | ||
292 | ret = platform_device_add(goni_snd_device); | ||
293 | |||
294 | if (ret) { | ||
295 | snd_soc_unregister_dai(&goni_snd_device->dev); | ||
296 | platform_device_put(goni_snd_device); | ||
297 | } | ||
298 | |||
299 | return ret; | ||
300 | } | ||
301 | |||
302 | static void __exit goni_exit(void) | ||
303 | { | ||
304 | snd_soc_unregister_dai(&goni_snd_device->dev); | ||
305 | platform_device_unregister(goni_snd_device); | ||
306 | } | ||
307 | |||
308 | module_init(goni_init); | ||
309 | module_exit(goni_exit); | ||
310 | |||
311 | /* Module information */ | ||
312 | MODULE_DESCRIPTION("ALSA SoC WM8994 GONI(S5PV210)"); | ||
313 | MODULE_AUTHOR("Chanwoo Choi <cw00.choi@samsung.com>"); | ||
314 | MODULE_LICENSE("GPL"); | ||