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> |
da155d5b | 40 | #include <linux/module.h> |
f0fba2ad | 41 | |
4451582f MLC |
42 | #include "omap-mcbsp.h" |
43 | #include "omap-pcm.h" | |
4451582f | 44 | |
30cd0c4a CVJ |
45 | /* TWL4030 PMBR1 Register */ |
46 | #define TWL4030_INTBR_PMBR1 0x0D | |
47 | /* TWL4030 PMBR1 Register GPIO6 mux bit */ | |
48 | #define TWL4030_GPIO6_PWM0_MUTE(value) (value << 2) | |
c5910a70 | 49 | |
77dd7e17 LCM |
50 | static struct snd_soc_card snd_soc_sdp3430; |
51 | ||
4451582f MLC |
52 | static int sdp3430_hw_params(struct snd_pcm_substream *substream, |
53 | struct snd_pcm_hw_params *params) | |
54 | { | |
55 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
f0fba2ad | 56 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
4451582f MLC |
57 | int ret; |
58 | ||
4451582f MLC |
59 | /* Set the codec system clock for DAC and ADC */ |
60 | ret = snd_soc_dai_set_sysclk(codec_dai, 0, 26000000, | |
61 | SND_SOC_CLOCK_IN); | |
62 | if (ret < 0) { | |
63 | printk(KERN_ERR "can't set codec system clock\n"); | |
64 | return ret; | |
65 | } | |
66 | ||
67 | return 0; | |
68 | } | |
69 | ||
70 | static struct snd_soc_ops sdp3430_ops = { | |
71 | .hw_params = sdp3430_hw_params, | |
72 | }; | |
73 | ||
77dd7e17 LCM |
74 | /* Headset jack */ |
75 | static struct snd_soc_jack hs_jack; | |
76 | ||
77 | /* Headset jack detection DAPM pins */ | |
78 | static struct snd_soc_jack_pin hs_jack_pins[] = { | |
79 | { | |
63208774 LCM |
80 | .pin = "Headset Mic", |
81 | .mask = SND_JACK_MICROPHONE, | |
82 | }, | |
83 | { | |
84 | .pin = "Headset Stereophone", | |
85 | .mask = SND_JACK_HEADPHONE, | |
77dd7e17 LCM |
86 | }, |
87 | }; | |
88 | ||
89 | /* Headset jack detection gpios */ | |
90 | static struct snd_soc_jack_gpio hs_jack_gpios[] = { | |
91 | { | |
92 | .gpio = (OMAP_MAX_GPIO_LINES + 2), | |
93 | .name = "hsdet-gpio", | |
94 | .report = SND_JACK_HEADSET, | |
95 | .debounce_time = 200, | |
96 | }, | |
97 | }; | |
98 | ||
979c036e LCM |
99 | /* SDP3430 machine DAPM */ |
100 | static const struct snd_soc_dapm_widget sdp3430_twl4030_dapm_widgets[] = { | |
101 | SND_SOC_DAPM_MIC("Ext Mic", NULL), | |
102 | SND_SOC_DAPM_SPK("Ext Spk", NULL), | |
63208774 LCM |
103 | SND_SOC_DAPM_MIC("Headset Mic", NULL), |
104 | SND_SOC_DAPM_HP("Headset Stereophone", NULL), | |
979c036e LCM |
105 | }; |
106 | ||
107 | static const struct snd_soc_dapm_route audio_map[] = { | |
108 | /* External Mics: MAINMIC, SUBMIC with bias*/ | |
109 | {"MAINMIC", NULL, "Mic Bias 1"}, | |
110 | {"SUBMIC", NULL, "Mic Bias 2"}, | |
111 | {"Mic Bias 1", NULL, "Ext Mic"}, | |
112 | {"Mic Bias 2", NULL, "Ext Mic"}, | |
113 | ||
114 | /* External Speakers: HFL, HFR */ | |
115 | {"Ext Spk", NULL, "HFL"}, | |
116 | {"Ext Spk", NULL, "HFR"}, | |
117 | ||
63208774 | 118 | /* Headset Mic: HSMIC with bias */ |
979c036e | 119 | {"HSMIC", NULL, "Headset Mic Bias"}, |
63208774 LCM |
120 | {"Headset Mic Bias", NULL, "Headset Mic"}, |
121 | ||
122 | /* Headset Stereophone (Headphone): HSOL, HSOR */ | |
123 | {"Headset Stereophone", NULL, "HSOL"}, | |
124 | {"Headset Stereophone", NULL, "HSOR"}, | |
979c036e LCM |
125 | }; |
126 | ||
f0fba2ad | 127 | static int sdp3430_twl4030_init(struct snd_soc_pcm_runtime *rtd) |
979c036e | 128 | { |
f0fba2ad | 129 | struct snd_soc_codec *codec = rtd->codec; |
ce6120cc | 130 | struct snd_soc_dapm_context *dapm = &codec->dapm; |
979c036e LCM |
131 | int ret; |
132 | ||
979c036e | 133 | /* SDP3430 connected pins */ |
ce6120cc LG |
134 | snd_soc_dapm_enable_pin(dapm, "Ext Mic"); |
135 | snd_soc_dapm_enable_pin(dapm, "Ext Spk"); | |
136 | snd_soc_dapm_disable_pin(dapm, "Headset Mic"); | |
137 | snd_soc_dapm_disable_pin(dapm, "Headset Stereophone"); | |
979c036e LCM |
138 | |
139 | /* TWL4030 not connected pins */ | |
ce6120cc LG |
140 | snd_soc_dapm_nc_pin(dapm, "AUXL"); |
141 | snd_soc_dapm_nc_pin(dapm, "AUXR"); | |
142 | snd_soc_dapm_nc_pin(dapm, "CARKITMIC"); | |
143 | snd_soc_dapm_nc_pin(dapm, "DIGIMIC0"); | |
144 | snd_soc_dapm_nc_pin(dapm, "DIGIMIC1"); | |
145 | ||
146 | snd_soc_dapm_nc_pin(dapm, "OUTL"); | |
147 | snd_soc_dapm_nc_pin(dapm, "OUTR"); | |
148 | snd_soc_dapm_nc_pin(dapm, "EARPIECE"); | |
149 | snd_soc_dapm_nc_pin(dapm, "PREDRIVEL"); | |
150 | snd_soc_dapm_nc_pin(dapm, "PREDRIVER"); | |
151 | snd_soc_dapm_nc_pin(dapm, "CARKITL"); | |
152 | snd_soc_dapm_nc_pin(dapm, "CARKITR"); | |
153 | ||
77dd7e17 | 154 | /* Headset jack detection */ |
f0fba2ad | 155 | ret = snd_soc_jack_new(codec, "Headset Jack", |
77dd7e17 LCM |
156 | SND_JACK_HEADSET, &hs_jack); |
157 | if (ret) | |
158 | return ret; | |
979c036e | 159 | |
77dd7e17 LCM |
160 | ret = snd_soc_jack_add_pins(&hs_jack, ARRAY_SIZE(hs_jack_pins), |
161 | hs_jack_pins); | |
162 | if (ret) | |
163 | return ret; | |
de0b9888 | 164 | |
77dd7e17 LCM |
165 | ret = snd_soc_jack_add_gpios(&hs_jack, ARRAY_SIZE(hs_jack_gpios), |
166 | hs_jack_gpios); | |
de0b9888 | 167 | |
77dd7e17 LCM |
168 | return ret; |
169 | } | |
de0b9888 | 170 | |
f0fba2ad | 171 | static int sdp3430_twl4030_voice_init(struct snd_soc_pcm_runtime *rtd) |
11a72811 | 172 | { |
f0fba2ad | 173 | struct snd_soc_codec *codec = rtd->codec; |
11a72811 LCM |
174 | unsigned short reg; |
175 | ||
176 | /* Enable voice interface */ | |
f0fba2ad | 177 | reg = codec->driver->read(codec, TWL4030_REG_VOICE_IF); |
11a72811 | 178 | reg |= TWL4030_VIF_DIN_EN | TWL4030_VIF_DOUT_EN | TWL4030_VIF_EN; |
f0fba2ad | 179 | codec->driver->write(codec, TWL4030_REG_VOICE_IF, reg); |
11a72811 LCM |
180 | |
181 | return 0; | |
182 | } | |
183 | ||
184 | ||
4451582f | 185 | /* Digital audio interface glue - connects codec <--> CPU */ |
11a72811 LCM |
186 | static struct snd_soc_dai_link sdp3430_dai[] = { |
187 | { | |
188 | .name = "TWL4030 I2S", | |
189 | .stream_name = "TWL4030 Audio", | |
45656b44 | 190 | .cpu_dai_name = "omap-mcbsp.2", |
f0fba2ad LG |
191 | .codec_dai_name = "twl4030-hifi", |
192 | .platform_name = "omap-pcm-audio", | |
193 | .codec_name = "twl4030-codec", | |
cf9feff2 JN |
194 | .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | |
195 | SND_SOC_DAIFMT_CBM_CFM, | |
11a72811 LCM |
196 | .init = sdp3430_twl4030_init, |
197 | .ops = &sdp3430_ops, | |
198 | }, | |
199 | { | |
200 | .name = "TWL4030 PCM", | |
201 | .stream_name = "TWL4030 Voice", | |
45656b44 | 202 | .cpu_dai_name = "omap-mcbsp.3", |
f0fba2ad LG |
203 | .codec_dai_name = "twl4030-voice", |
204 | .platform_name = "omap-pcm-audio", | |
205 | .codec_name = "twl4030-codec", | |
cf9feff2 JN |
206 | .dai_fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_IB_NF | |
207 | SND_SOC_DAIFMT_CBM_CFM, | |
11a72811 | 208 | .init = sdp3430_twl4030_voice_init, |
a3c6dac2 | 209 | .ops = &sdp3430_ops, |
11a72811 | 210 | }, |
4451582f MLC |
211 | }; |
212 | ||
213 | /* Audio machine driver */ | |
272edb00 | 214 | static struct snd_soc_card snd_soc_sdp3430 = { |
4451582f | 215 | .name = "SDP3430", |
b425b884 | 216 | .owner = THIS_MODULE, |
11a72811 LCM |
217 | .dai_link = sdp3430_dai, |
218 | .num_links = ARRAY_SIZE(sdp3430_dai), | |
f8cf149f PU |
219 | |
220 | .dapm_widgets = sdp3430_twl4030_dapm_widgets, | |
221 | .num_dapm_widgets = ARRAY_SIZE(sdp3430_twl4030_dapm_widgets), | |
222 | .dapm_routes = audio_map, | |
223 | .num_dapm_routes = ARRAY_SIZE(audio_map), | |
4451582f MLC |
224 | }; |
225 | ||
4451582f MLC |
226 | static struct platform_device *sdp3430_snd_device; |
227 | ||
228 | static int __init sdp3430_soc_init(void) | |
229 | { | |
230 | int ret; | |
30cd0c4a | 231 | u8 pin_mux; |
4451582f | 232 | |
ec588ae6 | 233 | if (!machine_is_omap_3430sdp()) |
4451582f | 234 | return -ENODEV; |
4451582f MLC |
235 | printk(KERN_INFO "SDP3430 SoC init\n"); |
236 | ||
237 | sdp3430_snd_device = platform_device_alloc("soc-audio", -1); | |
238 | if (!sdp3430_snd_device) { | |
239 | printk(KERN_ERR "Platform device allocation failed\n"); | |
240 | return -ENOMEM; | |
241 | } | |
242 | ||
f0fba2ad | 243 | platform_set_drvdata(sdp3430_snd_device, &snd_soc_sdp3430); |
4451582f | 244 | |
c5910a70 | 245 | /* Set TWL4030 GPIO6 as EXTMUTE signal */ |
ebeb53e1 | 246 | twl_i2c_read_u8(TWL4030_MODULE_INTBR, &pin_mux, |
30cd0c4a CVJ |
247 | TWL4030_INTBR_PMBR1); |
248 | pin_mux &= ~TWL4030_GPIO6_PWM0_MUTE(0x03); | |
249 | pin_mux |= TWL4030_GPIO6_PWM0_MUTE(0x02); | |
ebeb53e1 | 250 | twl_i2c_write_u8(TWL4030_MODULE_INTBR, pin_mux, |
30cd0c4a | 251 | TWL4030_INTBR_PMBR1); |
c5910a70 | 252 | |
4451582f MLC |
253 | ret = platform_device_add(sdp3430_snd_device); |
254 | if (ret) | |
255 | goto err1; | |
256 | ||
77dd7e17 | 257 | return 0; |
4451582f MLC |
258 | |
259 | err1: | |
260 | printk(KERN_ERR "Unable to add platform device\n"); | |
261 | platform_device_put(sdp3430_snd_device); | |
262 | ||
263 | return ret; | |
264 | } | |
265 | module_init(sdp3430_soc_init); | |
266 | ||
267 | static void __exit sdp3430_soc_exit(void) | |
268 | { | |
de0b9888 LCM |
269 | snd_soc_jack_free_gpios(&hs_jack, ARRAY_SIZE(hs_jack_gpios), |
270 | hs_jack_gpios); | |
271 | ||
4451582f MLC |
272 | platform_device_unregister(sdp3430_snd_device); |
273 | } | |
274 | module_exit(sdp3430_soc_exit); | |
275 | ||
276 | MODULE_AUTHOR("Misael Lopez Cruz <x0052729@ti.com>"); | |
277 | MODULE_DESCRIPTION("ALSA SoC SDP3430"); | |
278 | MODULE_LICENSE("GPL"); | |
279 |