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 | 38 | /* Register descriptions for twl4030 codec part */ |
57fe7251 | 39 | #include <linux/mfd/twl4030-audio.h> |
f0fba2ad | 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 | 55 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
4451582f MLC |
56 | int ret; |
57 | ||
4451582f MLC |
58 | /* Set the codec system clock for DAC and ADC */ |
59 | ret = snd_soc_dai_set_sysclk(codec_dai, 0, 26000000, | |
60 | SND_SOC_CLOCK_IN); | |
61 | if (ret < 0) { | |
62 | printk(KERN_ERR "can't set codec system clock\n"); | |
63 | return ret; | |
64 | } | |
65 | ||
66 | return 0; | |
67 | } | |
68 | ||
69 | static struct snd_soc_ops sdp3430_ops = { | |
70 | .hw_params = sdp3430_hw_params, | |
71 | }; | |
72 | ||
11a72811 LCM |
73 | static int sdp3430_hw_voice_params(struct snd_pcm_substream *substream, |
74 | struct snd_pcm_hw_params *params) | |
75 | { | |
76 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
f0fba2ad | 77 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
11a72811 LCM |
78 | int ret; |
79 | ||
11a72811 LCM |
80 | /* Set the codec system clock for DAC and ADC */ |
81 | ret = snd_soc_dai_set_sysclk(codec_dai, 0, 26000000, | |
82 | SND_SOC_CLOCK_IN); | |
83 | if (ret < 0) { | |
84 | printk(KERN_ERR "can't set codec system clock\n"); | |
85 | return ret; | |
86 | } | |
87 | ||
88 | return 0; | |
89 | } | |
90 | ||
91 | static struct snd_soc_ops sdp3430_voice_ops = { | |
92 | .hw_params = sdp3430_hw_voice_params, | |
93 | }; | |
94 | ||
77dd7e17 LCM |
95 | /* Headset jack */ |
96 | static struct snd_soc_jack hs_jack; | |
97 | ||
98 | /* Headset jack detection DAPM pins */ | |
99 | static struct snd_soc_jack_pin hs_jack_pins[] = { | |
100 | { | |
63208774 LCM |
101 | .pin = "Headset Mic", |
102 | .mask = SND_JACK_MICROPHONE, | |
103 | }, | |
104 | { | |
105 | .pin = "Headset Stereophone", | |
106 | .mask = SND_JACK_HEADPHONE, | |
77dd7e17 LCM |
107 | }, |
108 | }; | |
109 | ||
110 | /* Headset jack detection gpios */ | |
111 | static struct snd_soc_jack_gpio hs_jack_gpios[] = { | |
112 | { | |
113 | .gpio = (OMAP_MAX_GPIO_LINES + 2), | |
114 | .name = "hsdet-gpio", | |
115 | .report = SND_JACK_HEADSET, | |
116 | .debounce_time = 200, | |
117 | }, | |
118 | }; | |
119 | ||
979c036e LCM |
120 | /* SDP3430 machine DAPM */ |
121 | static const struct snd_soc_dapm_widget sdp3430_twl4030_dapm_widgets[] = { | |
122 | SND_SOC_DAPM_MIC("Ext Mic", NULL), | |
123 | SND_SOC_DAPM_SPK("Ext Spk", NULL), | |
63208774 LCM |
124 | SND_SOC_DAPM_MIC("Headset Mic", NULL), |
125 | SND_SOC_DAPM_HP("Headset Stereophone", NULL), | |
979c036e LCM |
126 | }; |
127 | ||
128 | static const struct snd_soc_dapm_route audio_map[] = { | |
129 | /* External Mics: MAINMIC, SUBMIC with bias*/ | |
130 | {"MAINMIC", NULL, "Mic Bias 1"}, | |
131 | {"SUBMIC", NULL, "Mic Bias 2"}, | |
132 | {"Mic Bias 1", NULL, "Ext Mic"}, | |
133 | {"Mic Bias 2", NULL, "Ext Mic"}, | |
134 | ||
135 | /* External Speakers: HFL, HFR */ | |
136 | {"Ext Spk", NULL, "HFL"}, | |
137 | {"Ext Spk", NULL, "HFR"}, | |
138 | ||
63208774 | 139 | /* Headset Mic: HSMIC with bias */ |
979c036e | 140 | {"HSMIC", NULL, "Headset Mic Bias"}, |
63208774 LCM |
141 | {"Headset Mic Bias", NULL, "Headset Mic"}, |
142 | ||
143 | /* Headset Stereophone (Headphone): HSOL, HSOR */ | |
144 | {"Headset Stereophone", NULL, "HSOL"}, | |
145 | {"Headset Stereophone", NULL, "HSOR"}, | |
979c036e LCM |
146 | }; |
147 | ||
f0fba2ad | 148 | static int sdp3430_twl4030_init(struct snd_soc_pcm_runtime *rtd) |
979c036e | 149 | { |
f0fba2ad | 150 | struct snd_soc_codec *codec = rtd->codec; |
ce6120cc | 151 | struct snd_soc_dapm_context *dapm = &codec->dapm; |
979c036e LCM |
152 | int ret; |
153 | ||
154 | /* Add SDP3430 specific widgets */ | |
ce6120cc | 155 | ret = snd_soc_dapm_new_controls(dapm, sdp3430_twl4030_dapm_widgets, |
979c036e LCM |
156 | ARRAY_SIZE(sdp3430_twl4030_dapm_widgets)); |
157 | if (ret) | |
158 | return ret; | |
159 | ||
160 | /* Set up SDP3430 specific audio path audio_map */ | |
ce6120cc | 161 | snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map)); |
979c036e LCM |
162 | |
163 | /* SDP3430 connected pins */ | |
ce6120cc LG |
164 | snd_soc_dapm_enable_pin(dapm, "Ext Mic"); |
165 | snd_soc_dapm_enable_pin(dapm, "Ext Spk"); | |
166 | snd_soc_dapm_disable_pin(dapm, "Headset Mic"); | |
167 | snd_soc_dapm_disable_pin(dapm, "Headset Stereophone"); | |
979c036e LCM |
168 | |
169 | /* TWL4030 not connected pins */ | |
ce6120cc LG |
170 | snd_soc_dapm_nc_pin(dapm, "AUXL"); |
171 | snd_soc_dapm_nc_pin(dapm, "AUXR"); | |
172 | snd_soc_dapm_nc_pin(dapm, "CARKITMIC"); | |
173 | snd_soc_dapm_nc_pin(dapm, "DIGIMIC0"); | |
174 | snd_soc_dapm_nc_pin(dapm, "DIGIMIC1"); | |
175 | ||
176 | snd_soc_dapm_nc_pin(dapm, "OUTL"); | |
177 | snd_soc_dapm_nc_pin(dapm, "OUTR"); | |
178 | snd_soc_dapm_nc_pin(dapm, "EARPIECE"); | |
179 | snd_soc_dapm_nc_pin(dapm, "PREDRIVEL"); | |
180 | snd_soc_dapm_nc_pin(dapm, "PREDRIVER"); | |
181 | snd_soc_dapm_nc_pin(dapm, "CARKITL"); | |
182 | snd_soc_dapm_nc_pin(dapm, "CARKITR"); | |
183 | ||
184 | ret = snd_soc_dapm_sync(dapm); | |
77dd7e17 LCM |
185 | if (ret) |
186 | return ret; | |
979c036e | 187 | |
77dd7e17 | 188 | /* Headset jack detection */ |
f0fba2ad | 189 | ret = snd_soc_jack_new(codec, "Headset Jack", |
77dd7e17 LCM |
190 | SND_JACK_HEADSET, &hs_jack); |
191 | if (ret) | |
192 | return ret; | |
979c036e | 193 | |
77dd7e17 LCM |
194 | ret = snd_soc_jack_add_pins(&hs_jack, ARRAY_SIZE(hs_jack_pins), |
195 | hs_jack_pins); | |
196 | if (ret) | |
197 | return ret; | |
de0b9888 | 198 | |
77dd7e17 LCM |
199 | ret = snd_soc_jack_add_gpios(&hs_jack, ARRAY_SIZE(hs_jack_gpios), |
200 | hs_jack_gpios); | |
de0b9888 | 201 | |
77dd7e17 LCM |
202 | return ret; |
203 | } | |
de0b9888 | 204 | |
f0fba2ad | 205 | static int sdp3430_twl4030_voice_init(struct snd_soc_pcm_runtime *rtd) |
11a72811 | 206 | { |
f0fba2ad | 207 | struct snd_soc_codec *codec = rtd->codec; |
11a72811 LCM |
208 | unsigned short reg; |
209 | ||
210 | /* Enable voice interface */ | |
f0fba2ad | 211 | reg = codec->driver->read(codec, TWL4030_REG_VOICE_IF); |
11a72811 | 212 | reg |= TWL4030_VIF_DIN_EN | TWL4030_VIF_DOUT_EN | TWL4030_VIF_EN; |
f0fba2ad | 213 | codec->driver->write(codec, TWL4030_REG_VOICE_IF, reg); |
11a72811 LCM |
214 | |
215 | return 0; | |
216 | } | |
217 | ||
218 | ||
4451582f | 219 | /* Digital audio interface glue - connects codec <--> CPU */ |
11a72811 LCM |
220 | static struct snd_soc_dai_link sdp3430_dai[] = { |
221 | { | |
222 | .name = "TWL4030 I2S", | |
223 | .stream_name = "TWL4030 Audio", | |
f0fba2ad LG |
224 | .cpu_dai_name = "omap-mcbsp-dai.1", |
225 | .codec_dai_name = "twl4030-hifi", | |
226 | .platform_name = "omap-pcm-audio", | |
227 | .codec_name = "twl4030-codec", | |
cf9feff2 JN |
228 | .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | |
229 | SND_SOC_DAIFMT_CBM_CFM, | |
11a72811 LCM |
230 | .init = sdp3430_twl4030_init, |
231 | .ops = &sdp3430_ops, | |
232 | }, | |
233 | { | |
234 | .name = "TWL4030 PCM", | |
235 | .stream_name = "TWL4030 Voice", | |
f0fba2ad LG |
236 | .cpu_dai_name = "omap-mcbsp-dai.2", |
237 | .codec_dai_name = "twl4030-voice", | |
238 | .platform_name = "omap-pcm-audio", | |
239 | .codec_name = "twl4030-codec", | |
cf9feff2 JN |
240 | .dai_fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_IB_NF | |
241 | SND_SOC_DAIFMT_CBM_CFM, | |
11a72811 LCM |
242 | .init = sdp3430_twl4030_voice_init, |
243 | .ops = &sdp3430_voice_ops, | |
244 | }, | |
4451582f MLC |
245 | }; |
246 | ||
247 | /* Audio machine driver */ | |
272edb00 | 248 | static struct snd_soc_card snd_soc_sdp3430 = { |
4451582f | 249 | .name = "SDP3430", |
11a72811 LCM |
250 | .dai_link = sdp3430_dai, |
251 | .num_links = ARRAY_SIZE(sdp3430_dai), | |
4451582f MLC |
252 | }; |
253 | ||
4451582f MLC |
254 | static struct platform_device *sdp3430_snd_device; |
255 | ||
256 | static int __init sdp3430_soc_init(void) | |
257 | { | |
258 | int ret; | |
30cd0c4a | 259 | u8 pin_mux; |
4451582f | 260 | |
ec588ae6 | 261 | if (!machine_is_omap_3430sdp()) |
4451582f | 262 | return -ENODEV; |
4451582f MLC |
263 | printk(KERN_INFO "SDP3430 SoC init\n"); |
264 | ||
265 | sdp3430_snd_device = platform_device_alloc("soc-audio", -1); | |
266 | if (!sdp3430_snd_device) { | |
267 | printk(KERN_ERR "Platform device allocation failed\n"); | |
268 | return -ENOMEM; | |
269 | } | |
270 | ||
f0fba2ad | 271 | platform_set_drvdata(sdp3430_snd_device, &snd_soc_sdp3430); |
4451582f | 272 | |
c5910a70 | 273 | /* Set TWL4030 GPIO6 as EXTMUTE signal */ |
ebeb53e1 | 274 | twl_i2c_read_u8(TWL4030_MODULE_INTBR, &pin_mux, |
30cd0c4a CVJ |
275 | TWL4030_INTBR_PMBR1); |
276 | pin_mux &= ~TWL4030_GPIO6_PWM0_MUTE(0x03); | |
277 | pin_mux |= TWL4030_GPIO6_PWM0_MUTE(0x02); | |
ebeb53e1 | 278 | twl_i2c_write_u8(TWL4030_MODULE_INTBR, pin_mux, |
30cd0c4a | 279 | TWL4030_INTBR_PMBR1); |
c5910a70 | 280 | |
4451582f MLC |
281 | ret = platform_device_add(sdp3430_snd_device); |
282 | if (ret) | |
283 | goto err1; | |
284 | ||
77dd7e17 | 285 | return 0; |
4451582f MLC |
286 | |
287 | err1: | |
288 | printk(KERN_ERR "Unable to add platform device\n"); | |
289 | platform_device_put(sdp3430_snd_device); | |
290 | ||
291 | return ret; | |
292 | } | |
293 | module_init(sdp3430_soc_init); | |
294 | ||
295 | static void __exit sdp3430_soc_exit(void) | |
296 | { | |
de0b9888 LCM |
297 | snd_soc_jack_free_gpios(&hs_jack, ARRAY_SIZE(hs_jack_gpios), |
298 | hs_jack_gpios); | |
299 | ||
4451582f MLC |
300 | platform_device_unregister(sdp3430_snd_device); |
301 | } | |
302 | module_exit(sdp3430_soc_exit); | |
303 | ||
304 | MODULE_AUTHOR("Misael Lopez Cruz <x0052729@ti.com>"); | |
305 | MODULE_DESCRIPTION("ALSA SoC SDP3430"); | |
306 | MODULE_LICENSE("GPL"); | |
307 |