2 * omap-abe-twl6040.c -- SoC audio for TI OMAP based boards with ABE and
5 * Author: Misael Lopez Cruz <misael.lopez@ti.com>
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * version 2 as published by the Free Software Foundation.
11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
23 #include <linux/clk.h>
24 #include <linux/platform_device.h>
25 #include <linux/mfd/twl6040.h>
26 #include <linux/platform_data/omap-abe-twl6040.h>
27 #include <linux/module.h>
29 #include <sound/core.h>
30 #include <sound/pcm.h>
31 #include <sound/soc.h>
32 #include <sound/jack.h>
34 #include <asm/mach-types.h>
35 #include <plat/hardware.h>
38 #include "omap-dmic.h"
39 #include "omap-mcpdm.h"
41 #include "../codecs/twl6040.h"
43 static int omap_abe_hw_params(struct snd_pcm_substream
*substream
,
44 struct snd_pcm_hw_params
*params
)
46 struct snd_soc_pcm_runtime
*rtd
= substream
->private_data
;
47 struct snd_soc_dai
*codec_dai
= rtd
->codec_dai
;
48 struct snd_soc_codec
*codec
= rtd
->codec
;
49 struct snd_soc_card
*card
= codec
->card
;
50 struct omap_abe_twl6040_data
*pdata
= dev_get_platdata(card
->dev
);
54 clk_id
= twl6040_get_clk_id(rtd
->codec
);
55 if (clk_id
== TWL6040_SYSCLK_SEL_HPPLL
)
56 freq
= pdata
->mclk_freq
;
57 else if (clk_id
== TWL6040_SYSCLK_SEL_LPPLL
)
62 /* set the codec mclk */
63 ret
= snd_soc_dai_set_sysclk(codec_dai
, clk_id
, freq
,
66 printk(KERN_ERR
"can't set codec system clock\n");
72 static struct snd_soc_ops omap_abe_ops
= {
73 .hw_params
= omap_abe_hw_params
,
76 static int omap_abe_dmic_hw_params(struct snd_pcm_substream
*substream
,
77 struct snd_pcm_hw_params
*params
)
79 struct snd_soc_pcm_runtime
*rtd
= substream
->private_data
;
80 struct snd_soc_dai
*cpu_dai
= rtd
->cpu_dai
;
83 ret
= snd_soc_dai_set_sysclk(cpu_dai
, OMAP_DMIC_SYSCLK_PAD_CLKS
,
84 19200000, SND_SOC_CLOCK_IN
);
86 printk(KERN_ERR
"can't set DMIC cpu system clock\n");
89 ret
= snd_soc_dai_set_sysclk(cpu_dai
, OMAP_DMIC_ABE_DMIC_CLK
, 2400000,
92 printk(KERN_ERR
"can't set DMIC output clock\n");
98 static struct snd_soc_ops omap_abe_dmic_ops
= {
99 .hw_params
= omap_abe_dmic_hw_params
,
103 static struct snd_soc_jack hs_jack
;
105 /*Headset jack detection DAPM pins */
106 static struct snd_soc_jack_pin hs_jack_pins
[] = {
108 .pin
= "Headset Mic",
109 .mask
= SND_JACK_MICROPHONE
,
112 .pin
= "Headset Stereophone",
113 .mask
= SND_JACK_HEADPHONE
,
117 /* SDP4430 machine DAPM */
118 static const struct snd_soc_dapm_widget twl6040_dapm_widgets
[] = {
120 SND_SOC_DAPM_HP("Headset Stereophone", NULL
),
121 SND_SOC_DAPM_SPK("Earphone Spk", NULL
),
122 SND_SOC_DAPM_SPK("Ext Spk", NULL
),
123 SND_SOC_DAPM_LINE("Line Out", NULL
),
124 SND_SOC_DAPM_SPK("Vibrator", NULL
),
127 SND_SOC_DAPM_MIC("Headset Mic", NULL
),
128 SND_SOC_DAPM_MIC("Main Handset Mic", NULL
),
129 SND_SOC_DAPM_MIC("Sub Handset Mic", NULL
),
130 SND_SOC_DAPM_LINE("Line In", NULL
),
132 /* Digital microphones */
133 SND_SOC_DAPM_MIC("Digital Mic", NULL
),
136 static const struct snd_soc_dapm_route audio_map
[] = {
137 /* Routings for outputs */
138 {"Headset Stereophone", NULL
, "HSOL"},
139 {"Headset Stereophone", NULL
, "HSOR"},
141 {"Earphone Spk", NULL
, "EP"},
143 {"Ext Spk", NULL
, "HFL"},
144 {"Ext Spk", NULL
, "HFR"},
146 {"Line Out", NULL
, "AUXL"},
147 {"Line Out", NULL
, "AUXR"},
149 {"Vibrator", NULL
, "VIBRAL"},
150 {"Vibrator", NULL
, "VIBRAR"},
152 /* Routings for inputs */
153 {"HSMIC", NULL
, "Headset Mic"},
154 {"Headset Mic", NULL
, "Headset Mic Bias"},
156 {"MAINMIC", NULL
, "Main Handset Mic"},
157 {"Main Handset Mic", NULL
, "Main Mic Bias"},
159 {"SUBMIC", NULL
, "Sub Handset Mic"},
160 {"Sub Handset Mic", NULL
, "Main Mic Bias"},
162 {"AFML", NULL
, "Line In"},
163 {"AFMR", NULL
, "Line In"},
166 static inline void twl6040_disconnect_pin(struct snd_soc_dapm_context
*dapm
,
167 int connected
, char *pin
)
170 snd_soc_dapm_disable_pin(dapm
, pin
);
173 static int omap_abe_twl6040_init(struct snd_soc_pcm_runtime
*rtd
)
175 struct snd_soc_codec
*codec
= rtd
->codec
;
176 struct snd_soc_card
*card
= codec
->card
;
177 struct snd_soc_dapm_context
*dapm
= &codec
->dapm
;
178 struct omap_abe_twl6040_data
*pdata
= dev_get_platdata(card
->dev
);
182 /* Disable not connected paths if not used */
183 twl6040_disconnect_pin(dapm
, pdata
->has_hs
, "Headset Stereophone");
184 twl6040_disconnect_pin(dapm
, pdata
->has_hf
, "Ext Spk");
185 twl6040_disconnect_pin(dapm
, pdata
->has_ep
, "Earphone Spk");
186 twl6040_disconnect_pin(dapm
, pdata
->has_aux
, "Line Out");
187 twl6040_disconnect_pin(dapm
, pdata
->has_vibra
, "Vinrator");
188 twl6040_disconnect_pin(dapm
, pdata
->has_hsmic
, "Headset Mic");
189 twl6040_disconnect_pin(dapm
, pdata
->has_mainmic
, "Main Handset Mic");
190 twl6040_disconnect_pin(dapm
, pdata
->has_submic
, "Sub Handset Mic");
191 twl6040_disconnect_pin(dapm
, pdata
->has_afm
, "Line In");
194 * Configure McPDM offset cancellation based on the HSOTRIM value from
197 hs_trim
= twl6040_get_trim_value(codec
, TWL6040_TRIM_HSOTRIM
);
198 omap_mcpdm_configure_dn_offsets(rtd
, TWL6040_HSF_TRIM_LEFT(hs_trim
),
199 TWL6040_HSF_TRIM_RIGHT(hs_trim
));
201 /* Headset jack detection only if it is supported */
202 if (pdata
->jack_detection
) {
203 ret
= snd_soc_jack_new(codec
, "Headset Jack",
204 SND_JACK_HEADSET
, &hs_jack
);
208 ret
= snd_soc_jack_add_pins(&hs_jack
, ARRAY_SIZE(hs_jack_pins
),
210 twl6040_hs_jack_detect(codec
, &hs_jack
, SND_JACK_HEADSET
);
216 static const struct snd_soc_dapm_route dmic_audio_map
[] = {
217 {"DMic", NULL
, "Digital Mic"},
218 {"Digital Mic", NULL
, "Digital Mic1 Bias"},
221 static int omap_abe_dmic_init(struct snd_soc_pcm_runtime
*rtd
)
223 struct snd_soc_codec
*codec
= rtd
->codec
;
224 struct snd_soc_dapm_context
*dapm
= &codec
->dapm
;
226 return snd_soc_dapm_add_routes(dapm
, dmic_audio_map
,
227 ARRAY_SIZE(dmic_audio_map
));
230 /* Digital audio interface glue - connects codec <--> CPU */
231 static struct snd_soc_dai_link abe_twl6040_dai_links
[] = {
234 .stream_name
= "TWL6040",
235 .cpu_dai_name
= "omap-mcpdm",
236 .codec_dai_name
= "twl6040-legacy",
237 .platform_name
= "omap-pcm-audio",
238 .codec_name
= "twl6040-codec",
239 .init
= omap_abe_twl6040_init
,
240 .ops
= &omap_abe_ops
,
244 .stream_name
= "DMIC Capture",
245 .cpu_dai_name
= "omap-dmic",
246 .codec_dai_name
= "dmic-hifi",
247 .platform_name
= "omap-pcm-audio",
248 .codec_name
= "dmic-codec",
249 .init
= omap_abe_dmic_init
,
250 .ops
= &omap_abe_dmic_ops
,
254 /* Audio machine driver */
255 static struct snd_soc_card omap_abe_card
= {
256 .owner
= THIS_MODULE
,
258 .dapm_widgets
= twl6040_dapm_widgets
,
259 .num_dapm_widgets
= ARRAY_SIZE(twl6040_dapm_widgets
),
260 .dapm_routes
= audio_map
,
261 .num_dapm_routes
= ARRAY_SIZE(audio_map
),
264 static __devinit
int omap_abe_probe(struct platform_device
*pdev
)
266 struct omap_abe_twl6040_data
*pdata
= dev_get_platdata(&pdev
->dev
);
267 struct snd_soc_card
*card
= &omap_abe_card
;
271 card
->dev
= &pdev
->dev
;
274 dev_err(&pdev
->dev
, "Missing pdata\n");
278 if (pdata
->card_name
) {
279 card
->name
= pdata
->card_name
;
281 dev_err(&pdev
->dev
, "Card name is not provided\n");
285 if (!pdata
->mclk_freq
) {
286 dev_err(&pdev
->dev
, "MCLK frequency missing\n");
295 card
->dai_link
= abe_twl6040_dai_links
;
296 card
->num_links
= num_links
;
298 ret
= snd_soc_register_card(card
);
300 dev_err(&pdev
->dev
, "snd_soc_register_card() failed: %d\n",
306 static int __devexit
omap_abe_remove(struct platform_device
*pdev
)
308 struct snd_soc_card
*card
= platform_get_drvdata(pdev
);
310 snd_soc_unregister_card(card
);
315 static struct platform_driver omap_abe_driver
= {
317 .name
= "omap-abe-twl6040",
318 .owner
= THIS_MODULE
,
319 .pm
= &snd_soc_pm_ops
,
321 .probe
= omap_abe_probe
,
322 .remove
= __devexit_p(omap_abe_remove
),
325 module_platform_driver(omap_abe_driver
);
327 MODULE_AUTHOR("Misael Lopez Cruz <misael.lopez@ti.com>");
328 MODULE_DESCRIPTION("ALSA SoC for OMAP boards with ABE and twl6040 codec");
329 MODULE_LICENSE("GPL");
330 MODULE_ALIAS("platform:omap-abe-twl6040");