2 * sdp3430.c -- SoC audio for TI OMAP3430 SDP
4 * Author: Misael Lopez Cruz <x0052729@ti.com>
7 * Author: Steve Sakoman <steve@sakoman.com>
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.
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.
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
25 #include <linux/clk.h>
26 #include <linux/platform_device.h>
27 #include <linux/i2c/twl4030.h>
28 #include <sound/core.h>
29 #include <sound/pcm.h>
30 #include <sound/soc.h>
31 #include <sound/soc-dapm.h>
32 #include <sound/jack.h>
34 #include <asm/mach-types.h>
35 #include <mach/hardware.h>
36 #include <mach/gpio.h>
37 #include <mach/mcbsp.h>
39 #include "omap-mcbsp.h"
41 #include "../codecs/twl4030.h"
43 #define TWL4030_INTBR_PMBR1 0x0D
44 #define EXTMUTE(value) (value << 2)
46 static struct snd_soc_card snd_soc_sdp3430
;
48 static int sdp3430_hw_params(struct snd_pcm_substream
*substream
,
49 struct snd_pcm_hw_params
*params
)
51 struct snd_soc_pcm_runtime
*rtd
= substream
->private_data
;
52 struct snd_soc_dai
*codec_dai
= rtd
->dai
->codec_dai
;
53 struct snd_soc_dai
*cpu_dai
= rtd
->dai
->cpu_dai
;
56 /* Set codec DAI configuration */
57 ret
= snd_soc_dai_set_fmt(codec_dai
,
59 SND_SOC_DAIFMT_NB_NF
|
60 SND_SOC_DAIFMT_CBM_CFM
);
62 printk(KERN_ERR
"can't set codec DAI configuration\n");
66 /* Set cpu DAI configuration */
67 ret
= snd_soc_dai_set_fmt(cpu_dai
,
69 SND_SOC_DAIFMT_NB_NF
|
70 SND_SOC_DAIFMT_CBM_CFM
);
72 printk(KERN_ERR
"can't set cpu DAI configuration\n");
76 /* Set the codec system clock for DAC and ADC */
77 ret
= snd_soc_dai_set_sysclk(codec_dai
, 0, 26000000,
80 printk(KERN_ERR
"can't set codec system clock\n");
87 static struct snd_soc_ops sdp3430_ops
= {
88 .hw_params
= sdp3430_hw_params
,
91 static int sdp3430_hw_voice_params(struct snd_pcm_substream
*substream
,
92 struct snd_pcm_hw_params
*params
)
94 struct snd_soc_pcm_runtime
*rtd
= substream
->private_data
;
95 struct snd_soc_dai
*codec_dai
= rtd
->dai
->codec_dai
;
96 struct snd_soc_dai
*cpu_dai
= rtd
->dai
->cpu_dai
;
99 /* Set codec DAI configuration */
100 ret
= snd_soc_dai_set_fmt(codec_dai
,
101 SND_SOC_DAIFMT_DSP_A
|
102 SND_SOC_DAIFMT_IB_NF
|
103 SND_SOC_DAIFMT_CBM_CFM
);
105 printk(KERN_ERR
"can't set codec DAI configuration\n");
109 /* Set cpu DAI configuration */
110 ret
= snd_soc_dai_set_fmt(cpu_dai
,
111 SND_SOC_DAIFMT_DSP_A
|
112 SND_SOC_DAIFMT_IB_NF
|
113 SND_SOC_DAIFMT_CBM_CFM
);
115 printk(KERN_ERR
"can't set cpu DAI configuration\n");
119 /* Set the codec system clock for DAC and ADC */
120 ret
= snd_soc_dai_set_sysclk(codec_dai
, 0, 26000000,
123 printk(KERN_ERR
"can't set codec system clock\n");
130 static struct snd_soc_ops sdp3430_voice_ops
= {
131 .hw_params
= sdp3430_hw_voice_params
,
135 static struct snd_soc_jack hs_jack
;
137 /* Headset jack detection DAPM pins */
138 static struct snd_soc_jack_pin hs_jack_pins
[] = {
140 .pin
= "Headset Mic",
141 .mask
= SND_JACK_MICROPHONE
,
144 .pin
= "Headset Stereophone",
145 .mask
= SND_JACK_HEADPHONE
,
149 /* Headset jack detection gpios */
150 static struct snd_soc_jack_gpio hs_jack_gpios
[] = {
152 .gpio
= (OMAP_MAX_GPIO_LINES
+ 2),
153 .name
= "hsdet-gpio",
154 .report
= SND_JACK_HEADSET
,
155 .debounce_time
= 200,
159 /* SDP3430 machine DAPM */
160 static const struct snd_soc_dapm_widget sdp3430_twl4030_dapm_widgets
[] = {
161 SND_SOC_DAPM_MIC("Ext Mic", NULL
),
162 SND_SOC_DAPM_SPK("Ext Spk", NULL
),
163 SND_SOC_DAPM_MIC("Headset Mic", NULL
),
164 SND_SOC_DAPM_HP("Headset Stereophone", NULL
),
167 static const struct snd_soc_dapm_route audio_map
[] = {
168 /* External Mics: MAINMIC, SUBMIC with bias*/
169 {"MAINMIC", NULL
, "Mic Bias 1"},
170 {"SUBMIC", NULL
, "Mic Bias 2"},
171 {"Mic Bias 1", NULL
, "Ext Mic"},
172 {"Mic Bias 2", NULL
, "Ext Mic"},
174 /* External Speakers: HFL, HFR */
175 {"Ext Spk", NULL
, "HFL"},
176 {"Ext Spk", NULL
, "HFR"},
178 /* Headset Mic: HSMIC with bias */
179 {"HSMIC", NULL
, "Headset Mic Bias"},
180 {"Headset Mic Bias", NULL
, "Headset Mic"},
182 /* Headset Stereophone (Headphone): HSOL, HSOR */
183 {"Headset Stereophone", NULL
, "HSOL"},
184 {"Headset Stereophone", NULL
, "HSOR"},
187 static int sdp3430_twl4030_init(struct snd_soc_codec
*codec
)
191 /* Add SDP3430 specific widgets */
192 ret
= snd_soc_dapm_new_controls(codec
, sdp3430_twl4030_dapm_widgets
,
193 ARRAY_SIZE(sdp3430_twl4030_dapm_widgets
));
197 /* Set up SDP3430 specific audio path audio_map */
198 snd_soc_dapm_add_routes(codec
, audio_map
, ARRAY_SIZE(audio_map
));
200 /* SDP3430 connected pins */
201 snd_soc_dapm_enable_pin(codec
, "Ext Mic");
202 snd_soc_dapm_enable_pin(codec
, "Ext Spk");
203 snd_soc_dapm_disable_pin(codec
, "Headset Mic");
204 snd_soc_dapm_disable_pin(codec
, "Headset Stereophone");
206 /* TWL4030 not connected pins */
207 snd_soc_dapm_nc_pin(codec
, "AUXL");
208 snd_soc_dapm_nc_pin(codec
, "AUXR");
209 snd_soc_dapm_nc_pin(codec
, "CARKITMIC");
210 snd_soc_dapm_nc_pin(codec
, "DIGIMIC0");
211 snd_soc_dapm_nc_pin(codec
, "DIGIMIC1");
213 snd_soc_dapm_nc_pin(codec
, "OUTL");
214 snd_soc_dapm_nc_pin(codec
, "OUTR");
215 snd_soc_dapm_nc_pin(codec
, "EARPIECE");
216 snd_soc_dapm_nc_pin(codec
, "PREDRIVEL");
217 snd_soc_dapm_nc_pin(codec
, "PREDRIVER");
218 snd_soc_dapm_nc_pin(codec
, "CARKITL");
219 snd_soc_dapm_nc_pin(codec
, "CARKITR");
221 ret
= snd_soc_dapm_sync(codec
);
225 /* Headset jack detection */
226 ret
= snd_soc_jack_new(&snd_soc_sdp3430
, "Headset Jack",
227 SND_JACK_HEADSET
, &hs_jack
);
231 ret
= snd_soc_jack_add_pins(&hs_jack
, ARRAY_SIZE(hs_jack_pins
),
236 ret
= snd_soc_jack_add_gpios(&hs_jack
, ARRAY_SIZE(hs_jack_gpios
),
242 static int sdp3430_twl4030_voice_init(struct snd_soc_codec
*codec
)
246 /* Enable voice interface */
247 reg
= codec
->read(codec
, TWL4030_REG_VOICE_IF
);
248 reg
|= TWL4030_VIF_DIN_EN
| TWL4030_VIF_DOUT_EN
| TWL4030_VIF_EN
;
249 codec
->write(codec
, TWL4030_REG_VOICE_IF
, reg
);
255 /* Digital audio interface glue - connects codec <--> CPU */
256 static struct snd_soc_dai_link sdp3430_dai
[] = {
258 .name
= "TWL4030 I2S",
259 .stream_name
= "TWL4030 Audio",
260 .cpu_dai
= &omap_mcbsp_dai
[0],
261 .codec_dai
= &twl4030_dai
[TWL4030_DAI_HIFI
],
262 .init
= sdp3430_twl4030_init
,
266 .name
= "TWL4030 PCM",
267 .stream_name
= "TWL4030 Voice",
268 .cpu_dai
= &omap_mcbsp_dai
[1],
269 .codec_dai
= &twl4030_dai
[TWL4030_DAI_VOICE
],
270 .init
= sdp3430_twl4030_voice_init
,
271 .ops
= &sdp3430_voice_ops
,
275 /* Audio machine driver */
276 static struct snd_soc_card snd_soc_sdp3430
= {
278 .platform
= &omap_soc_platform
,
279 .dai_link
= sdp3430_dai
,
280 .num_links
= ARRAY_SIZE(sdp3430_dai
),
284 static struct twl4030_setup_data twl4030_setup
= {
285 .ramp_delay_value
= 3,
290 /* Audio subsystem */
291 static struct snd_soc_device sdp3430_snd_devdata
= {
292 .card
= &snd_soc_sdp3430
,
293 .codec_dev
= &soc_codec_dev_twl4030
,
294 .codec_data
= &twl4030_setup
,
297 static struct platform_device
*sdp3430_snd_device
;
299 static int __init
sdp3430_soc_init(void)
303 if (!machine_is_omap_3430sdp()) {
304 pr_debug("Not SDP3430!\n");
307 printk(KERN_INFO
"SDP3430 SoC init\n");
309 sdp3430_snd_device
= platform_device_alloc("soc-audio", -1);
310 if (!sdp3430_snd_device
) {
311 printk(KERN_ERR
"Platform device allocation failed\n");
315 platform_set_drvdata(sdp3430_snd_device
, &sdp3430_snd_devdata
);
316 sdp3430_snd_devdata
.dev
= &sdp3430_snd_device
->dev
;
317 *(unsigned int *)sdp3430_dai
[0].cpu_dai
->private_data
= 1; /* McBSP2 */
318 *(unsigned int *)sdp3430_dai
[1].cpu_dai
->private_data
= 2; /* McBSP3 */
320 /* Set TWL4030 GPIO6 as EXTMUTE signal */
321 twl4030_i2c_write_u8(TWL4030_MODULE_INTBR
, EXTMUTE(0x02),
322 TWL4030_MODULE_INTBR
);
324 ret
= platform_device_add(sdp3430_snd_device
);
331 printk(KERN_ERR
"Unable to add platform device\n");
332 platform_device_put(sdp3430_snd_device
);
336 module_init(sdp3430_soc_init
);
338 static void __exit
sdp3430_soc_exit(void)
340 snd_soc_jack_free_gpios(&hs_jack
, ARRAY_SIZE(hs_jack_gpios
),
343 platform_device_unregister(sdp3430_snd_device
);
345 module_exit(sdp3430_soc_exit
);
347 MODULE_AUTHOR("Misael Lopez Cruz <x0052729@ti.com>");
348 MODULE_DESCRIPTION("ALSA SoC SDP3430");
349 MODULE_LICENSE("GPL");