Commit | Line | Data |
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4451582f MLC |
1 | /* |
2 | * sdp3430.c -- SoC audio for TI OMAP3430 SDP | |
3 | * | |
4 | * Author: Misael Lopez Cruz <x0052729@ti.com> | |
5 | * | |
6 | * Based on: | |
7 | * Author: Steve Sakoman <steve@sakoman.com> | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or | |
10 | * modify it under the terms of the GNU General Public License | |
11 | * version 2 as published by the Free Software Foundation. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, but | |
14 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | * General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA | |
21 | * 02110-1301 USA | |
22 | * | |
23 | */ | |
24 | ||
25 | #include <linux/clk.h> | |
26 | #include <linux/platform_device.h> | |
ebeb53e1 | 27 | #include <linux/i2c/twl.h> |
4451582f MLC |
28 | #include <sound/core.h> |
29 | #include <sound/pcm.h> | |
30 | #include <sound/soc.h> | |
de0b9888 | 31 | #include <sound/jack.h> |
4451582f MLC |
32 | |
33 | #include <asm/mach-types.h> | |
34 | #include <mach/hardware.h> | |
35 | #include <mach/gpio.h> | |
ce491cf8 | 36 | #include <plat/mcbsp.h> |
4451582f | 37 | |
f0fba2ad LG |
38 | /* Register descriptions for twl4030 codec part */ |
39 | #include <linux/mfd/twl4030-codec.h> | |
40 | ||
4451582f MLC |
41 | #include "omap-mcbsp.h" |
42 | #include "omap-pcm.h" | |
4451582f | 43 | |
30cd0c4a CVJ |
44 | /* TWL4030 PMBR1 Register */ |
45 | #define TWL4030_INTBR_PMBR1 0x0D | |
46 | /* TWL4030 PMBR1 Register GPIO6 mux bit */ | |
47 | #define TWL4030_GPIO6_PWM0_MUTE(value) (value << 2) | |
c5910a70 | 48 | |
77dd7e17 LCM |
49 | static struct snd_soc_card snd_soc_sdp3430; |
50 | ||
4451582f MLC |
51 | static int sdp3430_hw_params(struct snd_pcm_substream *substream, |
52 | struct snd_pcm_hw_params *params) | |
53 | { | |
54 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
f0fba2ad LG |
55 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
56 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
4451582f MLC |
57 | int ret; |
58 | ||
59 | /* Set codec DAI configuration */ | |
60 | ret = snd_soc_dai_set_fmt(codec_dai, | |
61 | SND_SOC_DAIFMT_I2S | | |
62 | SND_SOC_DAIFMT_NB_NF | | |
63 | SND_SOC_DAIFMT_CBM_CFM); | |
64 | if (ret < 0) { | |
65 | printk(KERN_ERR "can't set codec DAI configuration\n"); | |
66 | return ret; | |
67 | } | |
68 | ||
69 | /* Set cpu DAI configuration */ | |
70 | ret = snd_soc_dai_set_fmt(cpu_dai, | |
71 | SND_SOC_DAIFMT_I2S | | |
72 | SND_SOC_DAIFMT_NB_NF | | |
73 | SND_SOC_DAIFMT_CBM_CFM); | |
74 | if (ret < 0) { | |
75 | printk(KERN_ERR "can't set cpu DAI configuration\n"); | |
76 | return ret; | |
77 | } | |
78 | ||
79 | /* Set the codec system clock for DAC and ADC */ | |
80 | ret = snd_soc_dai_set_sysclk(codec_dai, 0, 26000000, | |
81 | SND_SOC_CLOCK_IN); | |
82 | if (ret < 0) { | |
83 | printk(KERN_ERR "can't set codec system clock\n"); | |
84 | return ret; | |
85 | } | |
86 | ||
87 | return 0; | |
88 | } | |
89 | ||
90 | static struct snd_soc_ops sdp3430_ops = { | |
91 | .hw_params = sdp3430_hw_params, | |
92 | }; | |
93 | ||
11a72811 LCM |
94 | static int sdp3430_hw_voice_params(struct snd_pcm_substream *substream, |
95 | struct snd_pcm_hw_params *params) | |
96 | { | |
97 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
f0fba2ad LG |
98 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
99 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
11a72811 LCM |
100 | int ret; |
101 | ||
102 | /* Set codec DAI configuration */ | |
103 | ret = snd_soc_dai_set_fmt(codec_dai, | |
104 | SND_SOC_DAIFMT_DSP_A | | |
105 | SND_SOC_DAIFMT_IB_NF | | |
c264301c | 106 | SND_SOC_DAIFMT_CBM_CFM); |
11a72811 LCM |
107 | if (ret) { |
108 | printk(KERN_ERR "can't set codec DAI configuration\n"); | |
109 | return ret; | |
110 | } | |
111 | ||
112 | /* Set cpu DAI configuration */ | |
113 | ret = snd_soc_dai_set_fmt(cpu_dai, | |
114 | SND_SOC_DAIFMT_DSP_A | | |
115 | SND_SOC_DAIFMT_IB_NF | | |
116 | SND_SOC_DAIFMT_CBM_CFM); | |
117 | if (ret < 0) { | |
118 | printk(KERN_ERR "can't set cpu DAI configuration\n"); | |
119 | return ret; | |
120 | } | |
121 | ||
122 | /* Set the codec system clock for DAC and ADC */ | |
123 | ret = snd_soc_dai_set_sysclk(codec_dai, 0, 26000000, | |
124 | SND_SOC_CLOCK_IN); | |
125 | if (ret < 0) { | |
126 | printk(KERN_ERR "can't set codec system clock\n"); | |
127 | return ret; | |
128 | } | |
129 | ||
130 | return 0; | |
131 | } | |
132 | ||
133 | static struct snd_soc_ops sdp3430_voice_ops = { | |
134 | .hw_params = sdp3430_hw_voice_params, | |
135 | }; | |
136 | ||
77dd7e17 LCM |
137 | /* Headset jack */ |
138 | static struct snd_soc_jack hs_jack; | |
139 | ||
140 | /* Headset jack detection DAPM pins */ | |
141 | static struct snd_soc_jack_pin hs_jack_pins[] = { | |
142 | { | |
63208774 LCM |
143 | .pin = "Headset Mic", |
144 | .mask = SND_JACK_MICROPHONE, | |
145 | }, | |
146 | { | |
147 | .pin = "Headset Stereophone", | |
148 | .mask = SND_JACK_HEADPHONE, | |
77dd7e17 LCM |
149 | }, |
150 | }; | |
151 | ||
152 | /* Headset jack detection gpios */ | |
153 | static struct snd_soc_jack_gpio hs_jack_gpios[] = { | |
154 | { | |
155 | .gpio = (OMAP_MAX_GPIO_LINES + 2), | |
156 | .name = "hsdet-gpio", | |
157 | .report = SND_JACK_HEADSET, | |
158 | .debounce_time = 200, | |
159 | }, | |
160 | }; | |
161 | ||
979c036e LCM |
162 | /* SDP3430 machine DAPM */ |
163 | static const struct snd_soc_dapm_widget sdp3430_twl4030_dapm_widgets[] = { | |
164 | SND_SOC_DAPM_MIC("Ext Mic", NULL), | |
165 | SND_SOC_DAPM_SPK("Ext Spk", NULL), | |
63208774 LCM |
166 | SND_SOC_DAPM_MIC("Headset Mic", NULL), |
167 | SND_SOC_DAPM_HP("Headset Stereophone", NULL), | |
979c036e LCM |
168 | }; |
169 | ||
170 | static const struct snd_soc_dapm_route audio_map[] = { | |
171 | /* External Mics: MAINMIC, SUBMIC with bias*/ | |
172 | {"MAINMIC", NULL, "Mic Bias 1"}, | |
173 | {"SUBMIC", NULL, "Mic Bias 2"}, | |
174 | {"Mic Bias 1", NULL, "Ext Mic"}, | |
175 | {"Mic Bias 2", NULL, "Ext Mic"}, | |
176 | ||
177 | /* External Speakers: HFL, HFR */ | |
178 | {"Ext Spk", NULL, "HFL"}, | |
179 | {"Ext Spk", NULL, "HFR"}, | |
180 | ||
63208774 | 181 | /* Headset Mic: HSMIC with bias */ |
979c036e | 182 | {"HSMIC", NULL, "Headset Mic Bias"}, |
63208774 LCM |
183 | {"Headset Mic Bias", NULL, "Headset Mic"}, |
184 | ||
185 | /* Headset Stereophone (Headphone): HSOL, HSOR */ | |
186 | {"Headset Stereophone", NULL, "HSOL"}, | |
187 | {"Headset Stereophone", NULL, "HSOR"}, | |
979c036e LCM |
188 | }; |
189 | ||
f0fba2ad | 190 | static int sdp3430_twl4030_init(struct snd_soc_pcm_runtime *rtd) |
979c036e | 191 | { |
f0fba2ad | 192 | struct snd_soc_codec *codec = rtd->codec; |
ce6120cc | 193 | struct snd_soc_dapm_context *dapm = &codec->dapm; |
979c036e LCM |
194 | int ret; |
195 | ||
196 | /* Add SDP3430 specific widgets */ | |
ce6120cc | 197 | ret = snd_soc_dapm_new_controls(dapm, sdp3430_twl4030_dapm_widgets, |
979c036e LCM |
198 | ARRAY_SIZE(sdp3430_twl4030_dapm_widgets)); |
199 | if (ret) | |
200 | return ret; | |
201 | ||
202 | /* Set up SDP3430 specific audio path audio_map */ | |
ce6120cc | 203 | snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map)); |
979c036e LCM |
204 | |
205 | /* SDP3430 connected pins */ | |
ce6120cc LG |
206 | snd_soc_dapm_enable_pin(dapm, "Ext Mic"); |
207 | snd_soc_dapm_enable_pin(dapm, "Ext Spk"); | |
208 | snd_soc_dapm_disable_pin(dapm, "Headset Mic"); | |
209 | snd_soc_dapm_disable_pin(dapm, "Headset Stereophone"); | |
979c036e LCM |
210 | |
211 | /* TWL4030 not connected pins */ | |
ce6120cc LG |
212 | snd_soc_dapm_nc_pin(dapm, "AUXL"); |
213 | snd_soc_dapm_nc_pin(dapm, "AUXR"); | |
214 | snd_soc_dapm_nc_pin(dapm, "CARKITMIC"); | |
215 | snd_soc_dapm_nc_pin(dapm, "DIGIMIC0"); | |
216 | snd_soc_dapm_nc_pin(dapm, "DIGIMIC1"); | |
217 | ||
218 | snd_soc_dapm_nc_pin(dapm, "OUTL"); | |
219 | snd_soc_dapm_nc_pin(dapm, "OUTR"); | |
220 | snd_soc_dapm_nc_pin(dapm, "EARPIECE"); | |
221 | snd_soc_dapm_nc_pin(dapm, "PREDRIVEL"); | |
222 | snd_soc_dapm_nc_pin(dapm, "PREDRIVER"); | |
223 | snd_soc_dapm_nc_pin(dapm, "CARKITL"); | |
224 | snd_soc_dapm_nc_pin(dapm, "CARKITR"); | |
225 | ||
226 | ret = snd_soc_dapm_sync(dapm); | |
77dd7e17 LCM |
227 | if (ret) |
228 | return ret; | |
979c036e | 229 | |
77dd7e17 | 230 | /* Headset jack detection */ |
f0fba2ad | 231 | ret = snd_soc_jack_new(codec, "Headset Jack", |
77dd7e17 LCM |
232 | SND_JACK_HEADSET, &hs_jack); |
233 | if (ret) | |
234 | return ret; | |
979c036e | 235 | |
77dd7e17 LCM |
236 | ret = snd_soc_jack_add_pins(&hs_jack, ARRAY_SIZE(hs_jack_pins), |
237 | hs_jack_pins); | |
238 | if (ret) | |
239 | return ret; | |
de0b9888 | 240 | |
77dd7e17 LCM |
241 | ret = snd_soc_jack_add_gpios(&hs_jack, ARRAY_SIZE(hs_jack_gpios), |
242 | hs_jack_gpios); | |
de0b9888 | 243 | |
77dd7e17 LCM |
244 | return ret; |
245 | } | |
de0b9888 | 246 | |
f0fba2ad | 247 | static int sdp3430_twl4030_voice_init(struct snd_soc_pcm_runtime *rtd) |
11a72811 | 248 | { |
f0fba2ad | 249 | struct snd_soc_codec *codec = rtd->codec; |
11a72811 LCM |
250 | unsigned short reg; |
251 | ||
252 | /* Enable voice interface */ | |
f0fba2ad | 253 | reg = codec->driver->read(codec, TWL4030_REG_VOICE_IF); |
11a72811 | 254 | reg |= TWL4030_VIF_DIN_EN | TWL4030_VIF_DOUT_EN | TWL4030_VIF_EN; |
f0fba2ad | 255 | codec->driver->write(codec, TWL4030_REG_VOICE_IF, reg); |
11a72811 LCM |
256 | |
257 | return 0; | |
258 | } | |
259 | ||
260 | ||
4451582f | 261 | /* Digital audio interface glue - connects codec <--> CPU */ |
11a72811 LCM |
262 | static struct snd_soc_dai_link sdp3430_dai[] = { |
263 | { | |
264 | .name = "TWL4030 I2S", | |
265 | .stream_name = "TWL4030 Audio", | |
f0fba2ad LG |
266 | .cpu_dai_name = "omap-mcbsp-dai.1", |
267 | .codec_dai_name = "twl4030-hifi", | |
268 | .platform_name = "omap-pcm-audio", | |
269 | .codec_name = "twl4030-codec", | |
11a72811 LCM |
270 | .init = sdp3430_twl4030_init, |
271 | .ops = &sdp3430_ops, | |
272 | }, | |
273 | { | |
274 | .name = "TWL4030 PCM", | |
275 | .stream_name = "TWL4030 Voice", | |
f0fba2ad LG |
276 | .cpu_dai_name = "omap-mcbsp-dai.2", |
277 | .codec_dai_name = "twl4030-voice", | |
278 | .platform_name = "omap-pcm-audio", | |
279 | .codec_name = "twl4030-codec", | |
11a72811 LCM |
280 | .init = sdp3430_twl4030_voice_init, |
281 | .ops = &sdp3430_voice_ops, | |
282 | }, | |
4451582f MLC |
283 | }; |
284 | ||
285 | /* Audio machine driver */ | |
272edb00 | 286 | static struct snd_soc_card snd_soc_sdp3430 = { |
4451582f | 287 | .name = "SDP3430", |
11a72811 LCM |
288 | .dai_link = sdp3430_dai, |
289 | .num_links = ARRAY_SIZE(sdp3430_dai), | |
4451582f MLC |
290 | }; |
291 | ||
4451582f MLC |
292 | static struct platform_device *sdp3430_snd_device; |
293 | ||
294 | static int __init sdp3430_soc_init(void) | |
295 | { | |
296 | int ret; | |
30cd0c4a | 297 | u8 pin_mux; |
4451582f | 298 | |
ec588ae6 | 299 | if (!machine_is_omap_3430sdp()) |
4451582f | 300 | return -ENODEV; |
4451582f MLC |
301 | printk(KERN_INFO "SDP3430 SoC init\n"); |
302 | ||
303 | sdp3430_snd_device = platform_device_alloc("soc-audio", -1); | |
304 | if (!sdp3430_snd_device) { | |
305 | printk(KERN_ERR "Platform device allocation failed\n"); | |
306 | return -ENOMEM; | |
307 | } | |
308 | ||
f0fba2ad | 309 | platform_set_drvdata(sdp3430_snd_device, &snd_soc_sdp3430); |
4451582f | 310 | |
c5910a70 | 311 | /* Set TWL4030 GPIO6 as EXTMUTE signal */ |
ebeb53e1 | 312 | twl_i2c_read_u8(TWL4030_MODULE_INTBR, &pin_mux, |
30cd0c4a CVJ |
313 | TWL4030_INTBR_PMBR1); |
314 | pin_mux &= ~TWL4030_GPIO6_PWM0_MUTE(0x03); | |
315 | pin_mux |= TWL4030_GPIO6_PWM0_MUTE(0x02); | |
ebeb53e1 | 316 | twl_i2c_write_u8(TWL4030_MODULE_INTBR, pin_mux, |
30cd0c4a | 317 | TWL4030_INTBR_PMBR1); |
c5910a70 | 318 | |
4451582f MLC |
319 | ret = platform_device_add(sdp3430_snd_device); |
320 | if (ret) | |
321 | goto err1; | |
322 | ||
77dd7e17 | 323 | return 0; |
4451582f MLC |
324 | |
325 | err1: | |
326 | printk(KERN_ERR "Unable to add platform device\n"); | |
327 | platform_device_put(sdp3430_snd_device); | |
328 | ||
329 | return ret; | |
330 | } | |
331 | module_init(sdp3430_soc_init); | |
332 | ||
333 | static void __exit sdp3430_soc_exit(void) | |
334 | { | |
de0b9888 LCM |
335 | snd_soc_jack_free_gpios(&hs_jack, ARRAY_SIZE(hs_jack_gpios), |
336 | hs_jack_gpios); | |
337 | ||
4451582f MLC |
338 | platform_device_unregister(sdp3430_snd_device); |
339 | } | |
340 | module_exit(sdp3430_soc_exit); | |
341 | ||
342 | MODULE_AUTHOR("Misael Lopez Cruz <x0052729@ti.com>"); | |
343 | MODULE_DESCRIPTION("ALSA SoC SDP3430"); | |
344 | MODULE_LICENSE("GPL"); | |
345 |