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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> | |
31 | #include <sound/soc-dapm.h> | |
de0b9888 | 32 | #include <sound/jack.h> |
4451582f MLC |
33 | |
34 | #include <asm/mach-types.h> | |
35 | #include <mach/hardware.h> | |
36 | #include <mach/gpio.h> | |
ce491cf8 | 37 | #include <plat/mcbsp.h> |
4451582f MLC |
38 | |
39 | #include "omap-mcbsp.h" | |
40 | #include "omap-pcm.h" | |
41 | #include "../codecs/twl4030.h" | |
42 | ||
30cd0c4a CVJ |
43 | /* TWL4030 PMBR1 Register */ |
44 | #define TWL4030_INTBR_PMBR1 0x0D | |
45 | /* TWL4030 PMBR1 Register GPIO6 mux bit */ | |
46 | #define TWL4030_GPIO6_PWM0_MUTE(value) (value << 2) | |
c5910a70 | 47 | |
77dd7e17 LCM |
48 | static struct snd_soc_card snd_soc_sdp3430; |
49 | ||
4451582f MLC |
50 | static int sdp3430_hw_params(struct snd_pcm_substream *substream, |
51 | struct snd_pcm_hw_params *params) | |
52 | { | |
53 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
54 | struct snd_soc_dai *codec_dai = rtd->dai->codec_dai; | |
55 | struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; | |
56 | int ret; | |
57 | ||
58 | /* Set codec DAI configuration */ | |
59 | ret = snd_soc_dai_set_fmt(codec_dai, | |
60 | SND_SOC_DAIFMT_I2S | | |
61 | SND_SOC_DAIFMT_NB_NF | | |
62 | SND_SOC_DAIFMT_CBM_CFM); | |
63 | if (ret < 0) { | |
64 | printk(KERN_ERR "can't set codec DAI configuration\n"); | |
65 | return ret; | |
66 | } | |
67 | ||
68 | /* Set cpu DAI configuration */ | |
69 | ret = snd_soc_dai_set_fmt(cpu_dai, | |
70 | SND_SOC_DAIFMT_I2S | | |
71 | SND_SOC_DAIFMT_NB_NF | | |
72 | SND_SOC_DAIFMT_CBM_CFM); | |
73 | if (ret < 0) { | |
74 | printk(KERN_ERR "can't set cpu DAI configuration\n"); | |
75 | return ret; | |
76 | } | |
77 | ||
78 | /* Set the codec system clock for DAC and ADC */ | |
79 | ret = snd_soc_dai_set_sysclk(codec_dai, 0, 26000000, | |
80 | SND_SOC_CLOCK_IN); | |
81 | if (ret < 0) { | |
82 | printk(KERN_ERR "can't set codec system clock\n"); | |
83 | return ret; | |
84 | } | |
85 | ||
86 | return 0; | |
87 | } | |
88 | ||
89 | static struct snd_soc_ops sdp3430_ops = { | |
90 | .hw_params = sdp3430_hw_params, | |
91 | }; | |
92 | ||
11a72811 LCM |
93 | static int sdp3430_hw_voice_params(struct snd_pcm_substream *substream, |
94 | struct snd_pcm_hw_params *params) | |
95 | { | |
96 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
97 | struct snd_soc_dai *codec_dai = rtd->dai->codec_dai; | |
98 | struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; | |
99 | int ret; | |
100 | ||
101 | /* Set codec DAI configuration */ | |
102 | ret = snd_soc_dai_set_fmt(codec_dai, | |
103 | SND_SOC_DAIFMT_DSP_A | | |
104 | SND_SOC_DAIFMT_IB_NF | | |
c264301c | 105 | SND_SOC_DAIFMT_CBM_CFM); |
11a72811 LCM |
106 | if (ret) { |
107 | printk(KERN_ERR "can't set codec DAI configuration\n"); | |
108 | return ret; | |
109 | } | |
110 | ||
111 | /* Set cpu DAI configuration */ | |
112 | ret = snd_soc_dai_set_fmt(cpu_dai, | |
113 | SND_SOC_DAIFMT_DSP_A | | |
114 | SND_SOC_DAIFMT_IB_NF | | |
115 | SND_SOC_DAIFMT_CBM_CFM); | |
116 | if (ret < 0) { | |
117 | printk(KERN_ERR "can't set cpu DAI configuration\n"); | |
118 | return ret; | |
119 | } | |
120 | ||
121 | /* Set the codec system clock for DAC and ADC */ | |
122 | ret = snd_soc_dai_set_sysclk(codec_dai, 0, 26000000, | |
123 | SND_SOC_CLOCK_IN); | |
124 | if (ret < 0) { | |
125 | printk(KERN_ERR "can't set codec system clock\n"); | |
126 | return ret; | |
127 | } | |
128 | ||
129 | return 0; | |
130 | } | |
131 | ||
132 | static struct snd_soc_ops sdp3430_voice_ops = { | |
133 | .hw_params = sdp3430_hw_voice_params, | |
134 | }; | |
135 | ||
77dd7e17 LCM |
136 | /* Headset jack */ |
137 | static struct snd_soc_jack hs_jack; | |
138 | ||
139 | /* Headset jack detection DAPM pins */ | |
140 | static struct snd_soc_jack_pin hs_jack_pins[] = { | |
141 | { | |
63208774 LCM |
142 | .pin = "Headset Mic", |
143 | .mask = SND_JACK_MICROPHONE, | |
144 | }, | |
145 | { | |
146 | .pin = "Headset Stereophone", | |
147 | .mask = SND_JACK_HEADPHONE, | |
77dd7e17 LCM |
148 | }, |
149 | }; | |
150 | ||
151 | /* Headset jack detection gpios */ | |
152 | static struct snd_soc_jack_gpio hs_jack_gpios[] = { | |
153 | { | |
154 | .gpio = (OMAP_MAX_GPIO_LINES + 2), | |
155 | .name = "hsdet-gpio", | |
156 | .report = SND_JACK_HEADSET, | |
157 | .debounce_time = 200, | |
158 | }, | |
159 | }; | |
160 | ||
979c036e LCM |
161 | /* SDP3430 machine DAPM */ |
162 | static const struct snd_soc_dapm_widget sdp3430_twl4030_dapm_widgets[] = { | |
163 | SND_SOC_DAPM_MIC("Ext Mic", NULL), | |
164 | SND_SOC_DAPM_SPK("Ext Spk", NULL), | |
63208774 LCM |
165 | SND_SOC_DAPM_MIC("Headset Mic", NULL), |
166 | SND_SOC_DAPM_HP("Headset Stereophone", NULL), | |
979c036e LCM |
167 | }; |
168 | ||
169 | static const struct snd_soc_dapm_route audio_map[] = { | |
170 | /* External Mics: MAINMIC, SUBMIC with bias*/ | |
171 | {"MAINMIC", NULL, "Mic Bias 1"}, | |
172 | {"SUBMIC", NULL, "Mic Bias 2"}, | |
173 | {"Mic Bias 1", NULL, "Ext Mic"}, | |
174 | {"Mic Bias 2", NULL, "Ext Mic"}, | |
175 | ||
176 | /* External Speakers: HFL, HFR */ | |
177 | {"Ext Spk", NULL, "HFL"}, | |
178 | {"Ext Spk", NULL, "HFR"}, | |
179 | ||
63208774 | 180 | /* Headset Mic: HSMIC with bias */ |
979c036e | 181 | {"HSMIC", NULL, "Headset Mic Bias"}, |
63208774 LCM |
182 | {"Headset Mic Bias", NULL, "Headset Mic"}, |
183 | ||
184 | /* Headset Stereophone (Headphone): HSOL, HSOR */ | |
185 | {"Headset Stereophone", NULL, "HSOL"}, | |
186 | {"Headset Stereophone", NULL, "HSOR"}, | |
979c036e LCM |
187 | }; |
188 | ||
189 | static int sdp3430_twl4030_init(struct snd_soc_codec *codec) | |
190 | { | |
191 | int ret; | |
192 | ||
193 | /* Add SDP3430 specific widgets */ | |
194 | ret = snd_soc_dapm_new_controls(codec, sdp3430_twl4030_dapm_widgets, | |
195 | ARRAY_SIZE(sdp3430_twl4030_dapm_widgets)); | |
196 | if (ret) | |
197 | return ret; | |
198 | ||
199 | /* Set up SDP3430 specific audio path audio_map */ | |
200 | snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map)); | |
201 | ||
202 | /* SDP3430 connected pins */ | |
203 | snd_soc_dapm_enable_pin(codec, "Ext Mic"); | |
204 | snd_soc_dapm_enable_pin(codec, "Ext Spk"); | |
63208774 LCM |
205 | snd_soc_dapm_disable_pin(codec, "Headset Mic"); |
206 | snd_soc_dapm_disable_pin(codec, "Headset Stereophone"); | |
979c036e LCM |
207 | |
208 | /* TWL4030 not connected pins */ | |
209 | snd_soc_dapm_nc_pin(codec, "AUXL"); | |
210 | snd_soc_dapm_nc_pin(codec, "AUXR"); | |
211 | snd_soc_dapm_nc_pin(codec, "CARKITMIC"); | |
212 | snd_soc_dapm_nc_pin(codec, "DIGIMIC0"); | |
213 | snd_soc_dapm_nc_pin(codec, "DIGIMIC1"); | |
214 | ||
215 | snd_soc_dapm_nc_pin(codec, "OUTL"); | |
216 | snd_soc_dapm_nc_pin(codec, "OUTR"); | |
217 | snd_soc_dapm_nc_pin(codec, "EARPIECE"); | |
218 | snd_soc_dapm_nc_pin(codec, "PREDRIVEL"); | |
219 | snd_soc_dapm_nc_pin(codec, "PREDRIVER"); | |
220 | snd_soc_dapm_nc_pin(codec, "CARKITL"); | |
221 | snd_soc_dapm_nc_pin(codec, "CARKITR"); | |
222 | ||
223 | ret = snd_soc_dapm_sync(codec); | |
77dd7e17 LCM |
224 | if (ret) |
225 | return ret; | |
979c036e | 226 | |
77dd7e17 LCM |
227 | /* Headset jack detection */ |
228 | ret = snd_soc_jack_new(&snd_soc_sdp3430, "Headset Jack", | |
229 | SND_JACK_HEADSET, &hs_jack); | |
230 | if (ret) | |
231 | return ret; | |
979c036e | 232 | |
77dd7e17 LCM |
233 | ret = snd_soc_jack_add_pins(&hs_jack, ARRAY_SIZE(hs_jack_pins), |
234 | hs_jack_pins); | |
235 | if (ret) | |
236 | return ret; | |
de0b9888 | 237 | |
77dd7e17 LCM |
238 | ret = snd_soc_jack_add_gpios(&hs_jack, ARRAY_SIZE(hs_jack_gpios), |
239 | hs_jack_gpios); | |
de0b9888 | 240 | |
77dd7e17 LCM |
241 | return ret; |
242 | } | |
de0b9888 | 243 | |
11a72811 LCM |
244 | static int sdp3430_twl4030_voice_init(struct snd_soc_codec *codec) |
245 | { | |
246 | unsigned short reg; | |
247 | ||
248 | /* Enable voice interface */ | |
249 | reg = codec->read(codec, TWL4030_REG_VOICE_IF); | |
250 | reg |= TWL4030_VIF_DIN_EN | TWL4030_VIF_DOUT_EN | TWL4030_VIF_EN; | |
251 | codec->write(codec, TWL4030_REG_VOICE_IF, reg); | |
252 | ||
253 | return 0; | |
254 | } | |
255 | ||
256 | ||
4451582f | 257 | /* Digital audio interface glue - connects codec <--> CPU */ |
11a72811 LCM |
258 | static struct snd_soc_dai_link sdp3430_dai[] = { |
259 | { | |
260 | .name = "TWL4030 I2S", | |
261 | .stream_name = "TWL4030 Audio", | |
262 | .cpu_dai = &omap_mcbsp_dai[0], | |
263 | .codec_dai = &twl4030_dai[TWL4030_DAI_HIFI], | |
264 | .init = sdp3430_twl4030_init, | |
265 | .ops = &sdp3430_ops, | |
266 | }, | |
267 | { | |
268 | .name = "TWL4030 PCM", | |
269 | .stream_name = "TWL4030 Voice", | |
270 | .cpu_dai = &omap_mcbsp_dai[1], | |
271 | .codec_dai = &twl4030_dai[TWL4030_DAI_VOICE], | |
272 | .init = sdp3430_twl4030_voice_init, | |
273 | .ops = &sdp3430_voice_ops, | |
274 | }, | |
4451582f MLC |
275 | }; |
276 | ||
277 | /* Audio machine driver */ | |
272edb00 | 278 | static struct snd_soc_card snd_soc_sdp3430 = { |
4451582f | 279 | .name = "SDP3430", |
87689d56 | 280 | .platform = &omap_soc_platform, |
11a72811 LCM |
281 | .dai_link = sdp3430_dai, |
282 | .num_links = ARRAY_SIZE(sdp3430_dai), | |
4451582f MLC |
283 | }; |
284 | ||
7385ba44 PU |
285 | /* twl4030 setup */ |
286 | static struct twl4030_setup_data twl4030_setup = { | |
287 | .ramp_delay_value = 3, | |
288 | .sysclk = 26000, | |
c5910a70 | 289 | .hs_extmute = 1, |
7385ba44 PU |
290 | }; |
291 | ||
4451582f MLC |
292 | /* Audio subsystem */ |
293 | static struct snd_soc_device sdp3430_snd_devdata = { | |
272edb00 | 294 | .card = &snd_soc_sdp3430, |
4451582f | 295 | .codec_dev = &soc_codec_dev_twl4030, |
7385ba44 | 296 | .codec_data = &twl4030_setup, |
4451582f MLC |
297 | }; |
298 | ||
299 | static struct platform_device *sdp3430_snd_device; | |
300 | ||
301 | static int __init sdp3430_soc_init(void) | |
302 | { | |
303 | int ret; | |
30cd0c4a | 304 | u8 pin_mux; |
4451582f MLC |
305 | |
306 | if (!machine_is_omap_3430sdp()) { | |
307 | pr_debug("Not SDP3430!\n"); | |
308 | return -ENODEV; | |
309 | } | |
310 | printk(KERN_INFO "SDP3430 SoC init\n"); | |
311 | ||
312 | sdp3430_snd_device = platform_device_alloc("soc-audio", -1); | |
313 | if (!sdp3430_snd_device) { | |
314 | printk(KERN_ERR "Platform device allocation failed\n"); | |
315 | return -ENOMEM; | |
316 | } | |
317 | ||
318 | platform_set_drvdata(sdp3430_snd_device, &sdp3430_snd_devdata); | |
319 | sdp3430_snd_devdata.dev = &sdp3430_snd_device->dev; | |
11a72811 LCM |
320 | *(unsigned int *)sdp3430_dai[0].cpu_dai->private_data = 1; /* McBSP2 */ |
321 | *(unsigned int *)sdp3430_dai[1].cpu_dai->private_data = 2; /* McBSP3 */ | |
4451582f | 322 | |
c5910a70 | 323 | /* Set TWL4030 GPIO6 as EXTMUTE signal */ |
ebeb53e1 | 324 | twl_i2c_read_u8(TWL4030_MODULE_INTBR, &pin_mux, |
30cd0c4a CVJ |
325 | TWL4030_INTBR_PMBR1); |
326 | pin_mux &= ~TWL4030_GPIO6_PWM0_MUTE(0x03); | |
327 | pin_mux |= TWL4030_GPIO6_PWM0_MUTE(0x02); | |
ebeb53e1 | 328 | twl_i2c_write_u8(TWL4030_MODULE_INTBR, pin_mux, |
30cd0c4a | 329 | TWL4030_INTBR_PMBR1); |
c5910a70 | 330 | |
4451582f MLC |
331 | ret = platform_device_add(sdp3430_snd_device); |
332 | if (ret) | |
333 | goto err1; | |
334 | ||
77dd7e17 | 335 | return 0; |
4451582f MLC |
336 | |
337 | err1: | |
338 | printk(KERN_ERR "Unable to add platform device\n"); | |
339 | platform_device_put(sdp3430_snd_device); | |
340 | ||
341 | return ret; | |
342 | } | |
343 | module_init(sdp3430_soc_init); | |
344 | ||
345 | static void __exit sdp3430_soc_exit(void) | |
346 | { | |
de0b9888 LCM |
347 | snd_soc_jack_free_gpios(&hs_jack, ARRAY_SIZE(hs_jack_gpios), |
348 | hs_jack_gpios); | |
349 | ||
4451582f MLC |
350 | platform_device_unregister(sdp3430_snd_device); |
351 | } | |
352 | module_exit(sdp3430_soc_exit); | |
353 | ||
354 | MODULE_AUTHOR("Misael Lopez Cruz <x0052729@ti.com>"); | |
355 | MODULE_DESCRIPTION("ALSA SoC SDP3430"); | |
356 | MODULE_LICENSE("GPL"); | |
357 |