2 * rx51.c -- SoC audio for Nokia RX-51
4 * Copyright (C) 2008 - 2009 Nokia Corporation
6 * Contact: Peter Ujfalusi <peter.ujfalusi@ti.com>
7 * Eduardo Valentin <eduardo.valentin@nokia.com>
8 * Jarkko Nikula <jarkko.nikula@bitmer.com>
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License
12 * version 2 as published by the Free Software Foundation.
14 * This program is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
26 #include <linux/delay.h>
27 #include <linux/gpio.h>
28 #include <linux/platform_device.h>
29 #include <sound/core.h>
30 #include <sound/jack.h>
31 #include <sound/pcm.h>
32 #include <sound/soc.h>
33 #include <plat/mcbsp.h>
34 #include "../codecs/tpa6130a2.h"
36 #include <asm/mach-types.h>
38 #include "omap-mcbsp.h"
41 #define RX51_TVOUT_SEL_GPIO 40
42 #define RX51_JACK_DETECT_GPIO 177
43 #define RX51_ECI_SW_GPIO 182
45 * REVISIT: TWL4030 GPIO base in RX-51. Now statically defined to 192. This
46 * gpio is reserved in arch/arm/mach-omap2/board-rx51-peripherals.c
48 #define RX51_SPEAKER_AMP_TWL_GPIO (192 + 7)
52 RX51_JACK_TVOUT
, /* tv-out with stereo output */
53 RX51_JACK_HP
, /* headphone: stereo output, no mic */
54 RX51_JACK_HS
, /* headset: stereo output with mic */
57 static int rx51_spk_func
;
58 static int rx51_dmic_func
;
59 static int rx51_jack_func
;
61 static void rx51_ext_control(struct snd_soc_codec
*codec
)
63 struct snd_soc_dapm_context
*dapm
= &codec
->dapm
;
64 int hp
= 0, hs
= 0, tvout
= 0;
66 switch (rx51_jack_func
) {
79 snd_soc_dapm_enable_pin(dapm
, "Ext Spk");
81 snd_soc_dapm_disable_pin(dapm
, "Ext Spk");
83 snd_soc_dapm_enable_pin(dapm
, "DMic");
85 snd_soc_dapm_disable_pin(dapm
, "DMic");
87 snd_soc_dapm_enable_pin(dapm
, "Headphone Jack");
89 snd_soc_dapm_disable_pin(dapm
, "Headphone Jack");
91 snd_soc_dapm_enable_pin(dapm
, "HS Mic");
93 snd_soc_dapm_disable_pin(dapm
, "HS Mic");
95 gpio_set_value(RX51_TVOUT_SEL_GPIO
, tvout
);
97 snd_soc_dapm_sync(dapm
);
100 static int rx51_startup(struct snd_pcm_substream
*substream
)
102 struct snd_pcm_runtime
*runtime
= substream
->runtime
;
103 struct snd_soc_pcm_runtime
*rtd
= substream
->private_data
;
104 struct snd_soc_codec
*codec
= rtd
->codec
;
106 snd_pcm_hw_constraint_minmax(runtime
,
107 SNDRV_PCM_HW_PARAM_CHANNELS
, 2, 2);
108 rx51_ext_control(codec
);
113 static int rx51_hw_params(struct snd_pcm_substream
*substream
,
114 struct snd_pcm_hw_params
*params
)
116 struct snd_soc_pcm_runtime
*rtd
= substream
->private_data
;
117 struct snd_soc_dai
*codec_dai
= rtd
->codec_dai
;
119 /* Set the codec system clock for DAC and ADC */
120 return snd_soc_dai_set_sysclk(codec_dai
, 0, 19200000,
124 static struct snd_soc_ops rx51_ops
= {
125 .startup
= rx51_startup
,
126 .hw_params
= rx51_hw_params
,
129 static int rx51_get_spk(struct snd_kcontrol
*kcontrol
,
130 struct snd_ctl_elem_value
*ucontrol
)
132 ucontrol
->value
.integer
.value
[0] = rx51_spk_func
;
137 static int rx51_set_spk(struct snd_kcontrol
*kcontrol
,
138 struct snd_ctl_elem_value
*ucontrol
)
140 struct snd_soc_codec
*codec
= snd_kcontrol_chip(kcontrol
);
142 if (rx51_spk_func
== ucontrol
->value
.integer
.value
[0])
145 rx51_spk_func
= ucontrol
->value
.integer
.value
[0];
146 rx51_ext_control(codec
);
151 static int rx51_spk_event(struct snd_soc_dapm_widget
*w
,
152 struct snd_kcontrol
*k
, int event
)
154 if (SND_SOC_DAPM_EVENT_ON(event
))
155 gpio_set_value_cansleep(RX51_SPEAKER_AMP_TWL_GPIO
, 1);
157 gpio_set_value_cansleep(RX51_SPEAKER_AMP_TWL_GPIO
, 0);
162 static int rx51_hp_event(struct snd_soc_dapm_widget
*w
,
163 struct snd_kcontrol
*k
, int event
)
165 struct snd_soc_codec
*codec
= w
->dapm
->codec
;
167 if (SND_SOC_DAPM_EVENT_ON(event
))
168 tpa6130a2_stereo_enable(codec
, 1);
170 tpa6130a2_stereo_enable(codec
, 0);
175 static int rx51_get_input(struct snd_kcontrol
*kcontrol
,
176 struct snd_ctl_elem_value
*ucontrol
)
178 ucontrol
->value
.integer
.value
[0] = rx51_dmic_func
;
183 static int rx51_set_input(struct snd_kcontrol
*kcontrol
,
184 struct snd_ctl_elem_value
*ucontrol
)
186 struct snd_soc_codec
*codec
= snd_kcontrol_chip(kcontrol
);
188 if (rx51_dmic_func
== ucontrol
->value
.integer
.value
[0])
191 rx51_dmic_func
= ucontrol
->value
.integer
.value
[0];
192 rx51_ext_control(codec
);
197 static int rx51_get_jack(struct snd_kcontrol
*kcontrol
,
198 struct snd_ctl_elem_value
*ucontrol
)
200 ucontrol
->value
.integer
.value
[0] = rx51_jack_func
;
205 static int rx51_set_jack(struct snd_kcontrol
*kcontrol
,
206 struct snd_ctl_elem_value
*ucontrol
)
208 struct snd_soc_codec
*codec
= snd_kcontrol_chip(kcontrol
);
210 if (rx51_jack_func
== ucontrol
->value
.integer
.value
[0])
213 rx51_jack_func
= ucontrol
->value
.integer
.value
[0];
214 rx51_ext_control(codec
);
219 static struct snd_soc_jack rx51_av_jack
;
221 static struct snd_soc_jack_gpio rx51_av_jack_gpios
[] = {
223 .gpio
= RX51_JACK_DETECT_GPIO
,
224 .name
= "avdet-gpio",
225 .report
= SND_JACK_HEADSET
,
227 .debounce_time
= 200,
231 static const struct snd_soc_dapm_widget aic34_dapm_widgets
[] = {
232 SND_SOC_DAPM_SPK("Ext Spk", rx51_spk_event
),
233 SND_SOC_DAPM_MIC("DMic", NULL
),
234 SND_SOC_DAPM_HP("Headphone Jack", rx51_hp_event
),
235 SND_SOC_DAPM_MIC("HS Mic", NULL
),
236 SND_SOC_DAPM_LINE("FM Transmitter", NULL
),
239 static const struct snd_soc_dapm_widget aic34_dapm_widgetsb
[] = {
240 SND_SOC_DAPM_SPK("Earphone", NULL
),
243 static const struct snd_soc_dapm_route audio_map
[] = {
244 {"Ext Spk", NULL
, "HPLOUT"},
245 {"Ext Spk", NULL
, "HPROUT"},
246 {"Headphone Jack", NULL
, "LLOUT"},
247 {"Headphone Jack", NULL
, "RLOUT"},
248 {"FM Transmitter", NULL
, "LLOUT"},
249 {"FM Transmitter", NULL
, "RLOUT"},
251 {"DMic Rate 64", NULL
, "Mic Bias 2V"},
252 {"Mic Bias 2V", NULL
, "DMic"},
255 static const struct snd_soc_dapm_route audio_mapb
[] = {
256 {"b LINE2R", NULL
, "MONO_LOUT"},
257 {"Earphone", NULL
, "b HPLOUT"},
259 {"LINE1L", NULL
, "b Mic Bias 2.5V"},
260 {"b Mic Bias 2.5V", NULL
, "HS Mic"}
263 static const char *spk_function
[] = {"Off", "On"};
264 static const char *input_function
[] = {"ADC", "Digital Mic"};
265 static const char *jack_function
[] = {"Off", "TV-OUT", "Headphone", "Headset"};
267 static const struct soc_enum rx51_enum
[] = {
268 SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(spk_function
), spk_function
),
269 SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(input_function
), input_function
),
270 SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(jack_function
), jack_function
),
273 static const struct snd_kcontrol_new aic34_rx51_controls
[] = {
274 SOC_ENUM_EXT("Speaker Function", rx51_enum
[0],
275 rx51_get_spk
, rx51_set_spk
),
276 SOC_ENUM_EXT("Input Select", rx51_enum
[1],
277 rx51_get_input
, rx51_set_input
),
278 SOC_ENUM_EXT("Jack Function", rx51_enum
[2],
279 rx51_get_jack
, rx51_set_jack
),
280 SOC_DAPM_PIN_SWITCH("FM Transmitter"),
283 static const struct snd_kcontrol_new aic34_rx51_controlsb
[] = {
284 SOC_DAPM_PIN_SWITCH("Earphone"),
287 static int rx51_aic34_init(struct snd_soc_pcm_runtime
*rtd
)
289 struct snd_soc_codec
*codec
= rtd
->codec
;
290 struct snd_soc_dapm_context
*dapm
= &codec
->dapm
;
293 /* Set up NC codec pins */
294 snd_soc_dapm_nc_pin(dapm
, "MIC3L");
295 snd_soc_dapm_nc_pin(dapm
, "MIC3R");
296 snd_soc_dapm_nc_pin(dapm
, "LINE1R");
298 /* Add RX-51 specific controls */
299 err
= snd_soc_add_controls(codec
, aic34_rx51_controls
,
300 ARRAY_SIZE(aic34_rx51_controls
));
304 /* Add RX-51 specific widgets */
305 snd_soc_dapm_new_controls(dapm
, aic34_dapm_widgets
,
306 ARRAY_SIZE(aic34_dapm_widgets
));
308 /* Set up RX-51 specific audio path audio_map */
309 snd_soc_dapm_add_routes(dapm
, audio_map
, ARRAY_SIZE(audio_map
));
311 err
= tpa6130a2_add_controls(codec
);
314 snd_soc_limit_volume(codec
, "TPA6130A2 Headphone Playback Volume", 42);
316 err
= omap_mcbsp_st_add_controls(codec
, 1);
320 /* AV jack detection */
321 err
= snd_soc_jack_new(codec
, "AV Jack",
322 SND_JACK_HEADSET
| SND_JACK_VIDEOOUT
,
326 err
= snd_soc_jack_add_gpios(&rx51_av_jack
,
327 ARRAY_SIZE(rx51_av_jack_gpios
),
333 static int rx51_aic34b_init(struct snd_soc_dapm_context
*dapm
)
337 err
= snd_soc_add_controls(dapm
->codec
, aic34_rx51_controlsb
,
338 ARRAY_SIZE(aic34_rx51_controlsb
));
342 err
= snd_soc_dapm_new_controls(dapm
, aic34_dapm_widgetsb
,
343 ARRAY_SIZE(aic34_dapm_widgetsb
));
347 return snd_soc_dapm_add_routes(dapm
, audio_mapb
,
348 ARRAY_SIZE(audio_mapb
));
351 /* Digital audio interface glue - connects codec <--> CPU */
352 static struct snd_soc_dai_link rx51_dai
[] = {
354 .name
= "TLV320AIC34",
355 .stream_name
= "AIC34",
356 .cpu_dai_name
= "omap-mcbsp-dai.1",
357 .codec_dai_name
= "tlv320aic3x-hifi",
358 .platform_name
= "omap-pcm-audio",
359 .codec_name
= "tlv320aic3x-codec.2-0018",
360 .dai_fmt
= SND_SOC_DAIFMT_DSP_A
| SND_SOC_DAIFMT_IB_NF
|
361 SND_SOC_DAIFMT_CBM_CFM
,
362 .init
= rx51_aic34_init
,
367 struct snd_soc_aux_dev rx51_aux_dev
[] = {
369 .name
= "TLV320AIC34b",
370 .codec_name
= "tlv320aic3x-codec.2-0019",
371 .init
= rx51_aic34b_init
,
375 static struct snd_soc_codec_conf rx51_codec_conf
[] = {
377 .dev_name
= "tlv320aic3x-codec.2-0019",
383 static struct snd_soc_card rx51_sound_card
= {
385 .dai_link
= rx51_dai
,
386 .num_links
= ARRAY_SIZE(rx51_dai
),
387 .aux_dev
= rx51_aux_dev
,
388 .num_aux_devs
= ARRAY_SIZE(rx51_aux_dev
),
389 .codec_conf
= rx51_codec_conf
,
390 .num_configs
= ARRAY_SIZE(rx51_codec_conf
),
393 static struct platform_device
*rx51_snd_device
;
395 static int __init
rx51_soc_init(void)
399 if (!machine_is_nokia_rx51())
402 err
= gpio_request_one(RX51_TVOUT_SEL_GPIO
,
403 GPIOF_DIR_OUT
| GPIOF_INIT_LOW
, "tvout_sel");
405 goto err_gpio_tvout_sel
;
406 err
= gpio_request_one(RX51_ECI_SW_GPIO
,
407 GPIOF_DIR_OUT
| GPIOF_INIT_HIGH
, "eci_sw");
409 goto err_gpio_eci_sw
;
411 rx51_snd_device
= platform_device_alloc("soc-audio", -1);
412 if (!rx51_snd_device
) {
417 platform_set_drvdata(rx51_snd_device
, &rx51_sound_card
);
419 err
= platform_device_add(rx51_snd_device
);
425 platform_device_put(rx51_snd_device
);
427 gpio_free(RX51_ECI_SW_GPIO
);
429 gpio_free(RX51_TVOUT_SEL_GPIO
);
435 static void __exit
rx51_soc_exit(void)
437 snd_soc_jack_free_gpios(&rx51_av_jack
, ARRAY_SIZE(rx51_av_jack_gpios
),
440 platform_device_unregister(rx51_snd_device
);
441 gpio_free(RX51_ECI_SW_GPIO
);
442 gpio_free(RX51_TVOUT_SEL_GPIO
);
445 module_init(rx51_soc_init
);
446 module_exit(rx51_soc_exit
);
448 MODULE_AUTHOR("Nokia Corporation");
449 MODULE_DESCRIPTION("ALSA SoC Nokia RX-51");
450 MODULE_LICENSE("GPL");