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 <linux/module.h>
30 #include <sound/core.h>
31 #include <sound/jack.h>
32 #include <sound/pcm.h>
33 #include <sound/soc.h>
34 #include <linux/platform_data/asoc-ti-mcbsp.h>
35 #include "../codecs/tpa6130a2.h"
37 #include <asm/mach-types.h>
39 #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_dapm_context
*dapm
)
63 int hp
= 0, hs
= 0, tvout
= 0;
65 switch (rx51_jack_func
) {
77 snd_soc_dapm_mutex_lock(dapm
);
80 snd_soc_dapm_enable_pin_unlocked(dapm
, "Ext Spk");
82 snd_soc_dapm_disable_pin_unlocked(dapm
, "Ext Spk");
84 snd_soc_dapm_enable_pin_unlocked(dapm
, "DMic");
86 snd_soc_dapm_disable_pin_unlocked(dapm
, "DMic");
88 snd_soc_dapm_enable_pin_unlocked(dapm
, "Headphone Jack");
90 snd_soc_dapm_disable_pin_unlocked(dapm
, "Headphone Jack");
92 snd_soc_dapm_enable_pin_unlocked(dapm
, "HS Mic");
94 snd_soc_dapm_disable_pin_unlocked(dapm
, "HS Mic");
96 gpio_set_value(RX51_TVOUT_SEL_GPIO
, tvout
);
98 snd_soc_dapm_sync_unlocked(dapm
);
100 snd_soc_dapm_mutex_unlock(dapm
);
103 static int rx51_startup(struct snd_pcm_substream
*substream
)
105 struct snd_pcm_runtime
*runtime
= substream
->runtime
;
106 struct snd_soc_pcm_runtime
*rtd
= substream
->private_data
;
107 struct snd_soc_card
*card
= rtd
->card
;
109 snd_pcm_hw_constraint_minmax(runtime
,
110 SNDRV_PCM_HW_PARAM_CHANNELS
, 2, 2);
111 rx51_ext_control(&card
->dapm
);
116 static int rx51_hw_params(struct snd_pcm_substream
*substream
,
117 struct snd_pcm_hw_params
*params
)
119 struct snd_soc_pcm_runtime
*rtd
= substream
->private_data
;
120 struct snd_soc_dai
*codec_dai
= rtd
->codec_dai
;
122 /* Set the codec system clock for DAC and ADC */
123 return snd_soc_dai_set_sysclk(codec_dai
, 0, 19200000,
127 static struct snd_soc_ops rx51_ops
= {
128 .startup
= rx51_startup
,
129 .hw_params
= rx51_hw_params
,
132 static int rx51_get_spk(struct snd_kcontrol
*kcontrol
,
133 struct snd_ctl_elem_value
*ucontrol
)
135 ucontrol
->value
.integer
.value
[0] = rx51_spk_func
;
140 static int rx51_set_spk(struct snd_kcontrol
*kcontrol
,
141 struct snd_ctl_elem_value
*ucontrol
)
143 struct snd_soc_card
*card
= snd_kcontrol_chip(kcontrol
);
145 if (rx51_spk_func
== ucontrol
->value
.integer
.value
[0])
148 rx51_spk_func
= ucontrol
->value
.integer
.value
[0];
149 rx51_ext_control(&card
->dapm
);
154 static int rx51_spk_event(struct snd_soc_dapm_widget
*w
,
155 struct snd_kcontrol
*k
, int event
)
157 if (SND_SOC_DAPM_EVENT_ON(event
))
158 gpio_set_value_cansleep(RX51_SPEAKER_AMP_TWL_GPIO
, 1);
160 gpio_set_value_cansleep(RX51_SPEAKER_AMP_TWL_GPIO
, 0);
165 static int rx51_hp_event(struct snd_soc_dapm_widget
*w
,
166 struct snd_kcontrol
*k
, int event
)
168 struct snd_soc_codec
*codec
= w
->dapm
->codec
;
170 if (SND_SOC_DAPM_EVENT_ON(event
))
171 tpa6130a2_stereo_enable(codec
, 1);
173 tpa6130a2_stereo_enable(codec
, 0);
178 static int rx51_get_input(struct snd_kcontrol
*kcontrol
,
179 struct snd_ctl_elem_value
*ucontrol
)
181 ucontrol
->value
.integer
.value
[0] = rx51_dmic_func
;
186 static int rx51_set_input(struct snd_kcontrol
*kcontrol
,
187 struct snd_ctl_elem_value
*ucontrol
)
189 struct snd_soc_card
*card
= snd_kcontrol_chip(kcontrol
);
191 if (rx51_dmic_func
== ucontrol
->value
.integer
.value
[0])
194 rx51_dmic_func
= ucontrol
->value
.integer
.value
[0];
195 rx51_ext_control(&card
->dapm
);
200 static int rx51_get_jack(struct snd_kcontrol
*kcontrol
,
201 struct snd_ctl_elem_value
*ucontrol
)
203 ucontrol
->value
.integer
.value
[0] = rx51_jack_func
;
208 static int rx51_set_jack(struct snd_kcontrol
*kcontrol
,
209 struct snd_ctl_elem_value
*ucontrol
)
211 struct snd_soc_card
*card
= snd_kcontrol_chip(kcontrol
);
213 if (rx51_jack_func
== ucontrol
->value
.integer
.value
[0])
216 rx51_jack_func
= ucontrol
->value
.integer
.value
[0];
217 rx51_ext_control(&card
->dapm
);
222 static struct snd_soc_jack rx51_av_jack
;
224 static struct snd_soc_jack_gpio rx51_av_jack_gpios
[] = {
226 .gpio
= RX51_JACK_DETECT_GPIO
,
227 .name
= "avdet-gpio",
228 .report
= SND_JACK_HEADSET
,
230 .debounce_time
= 200,
234 static const struct snd_soc_dapm_widget aic34_dapm_widgets
[] = {
235 SND_SOC_DAPM_SPK("Ext Spk", rx51_spk_event
),
236 SND_SOC_DAPM_MIC("DMic", NULL
),
237 SND_SOC_DAPM_HP("Headphone Jack", rx51_hp_event
),
238 SND_SOC_DAPM_MIC("HS Mic", NULL
),
239 SND_SOC_DAPM_LINE("FM Transmitter", NULL
),
242 static const struct snd_soc_dapm_widget aic34_dapm_widgetsb
[] = {
243 SND_SOC_DAPM_SPK("Earphone", NULL
),
246 static const struct snd_soc_dapm_route audio_map
[] = {
247 {"Ext Spk", NULL
, "HPLOUT"},
248 {"Ext Spk", NULL
, "HPROUT"},
249 {"Headphone Jack", NULL
, "LLOUT"},
250 {"Headphone Jack", NULL
, "RLOUT"},
251 {"FM Transmitter", NULL
, "LLOUT"},
252 {"FM Transmitter", NULL
, "RLOUT"},
254 {"DMic Rate 64", NULL
, "Mic Bias"},
255 {"Mic Bias", NULL
, "DMic"},
258 static const struct snd_soc_dapm_route audio_mapb
[] = {
259 {"b LINE2R", NULL
, "MONO_LOUT"},
260 {"Earphone", NULL
, "b HPLOUT"},
262 {"LINE1L", NULL
, "b Mic Bias"},
263 {"b Mic Bias", NULL
, "HS Mic"}
266 static const char *spk_function
[] = {"Off", "On"};
267 static const char *input_function
[] = {"ADC", "Digital Mic"};
268 static const char *jack_function
[] = {"Off", "TV-OUT", "Headphone", "Headset"};
270 static const struct soc_enum rx51_enum
[] = {
271 SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(spk_function
), spk_function
),
272 SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(input_function
), input_function
),
273 SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(jack_function
), jack_function
),
276 static const struct snd_kcontrol_new aic34_rx51_controls
[] = {
277 SOC_ENUM_EXT("Speaker Function", rx51_enum
[0],
278 rx51_get_spk
, rx51_set_spk
),
279 SOC_ENUM_EXT("Input Select", rx51_enum
[1],
280 rx51_get_input
, rx51_set_input
),
281 SOC_ENUM_EXT("Jack Function", rx51_enum
[2],
282 rx51_get_jack
, rx51_set_jack
),
283 SOC_DAPM_PIN_SWITCH("FM Transmitter"),
286 static const struct snd_kcontrol_new aic34_rx51_controlsb
[] = {
287 SOC_DAPM_PIN_SWITCH("Earphone"),
290 static int rx51_aic34_init(struct snd_soc_pcm_runtime
*rtd
)
292 struct snd_soc_codec
*codec
= rtd
->codec
;
293 struct snd_soc_dapm_context
*dapm
= &codec
->dapm
;
296 /* Set up NC codec pins */
297 snd_soc_dapm_nc_pin(dapm
, "MIC3L");
298 snd_soc_dapm_nc_pin(dapm
, "MIC3R");
299 snd_soc_dapm_nc_pin(dapm
, "LINE1R");
301 /* Add RX-51 specific controls */
302 err
= snd_soc_add_card_controls(rtd
->card
, aic34_rx51_controls
,
303 ARRAY_SIZE(aic34_rx51_controls
));
307 /* Add RX-51 specific widgets */
308 snd_soc_dapm_new_controls(dapm
, aic34_dapm_widgets
,
309 ARRAY_SIZE(aic34_dapm_widgets
));
311 /* Set up RX-51 specific audio path audio_map */
312 snd_soc_dapm_add_routes(dapm
, audio_map
, ARRAY_SIZE(audio_map
));
314 err
= tpa6130a2_add_controls(codec
);
317 snd_soc_limit_volume(codec
, "TPA6130A2 Headphone Playback Volume", 42);
319 err
= omap_mcbsp_st_add_controls(rtd
);
323 /* AV jack detection */
324 err
= snd_soc_jack_new(codec
, "AV Jack",
325 SND_JACK_HEADSET
| SND_JACK_VIDEOOUT
,
329 err
= snd_soc_jack_add_gpios(&rx51_av_jack
,
330 ARRAY_SIZE(rx51_av_jack_gpios
),
336 static int rx51_aic34b_init(struct snd_soc_dapm_context
*dapm
)
340 err
= snd_soc_add_card_controls(dapm
->card
, aic34_rx51_controlsb
,
341 ARRAY_SIZE(aic34_rx51_controlsb
));
345 err
= snd_soc_dapm_new_controls(dapm
, aic34_dapm_widgetsb
,
346 ARRAY_SIZE(aic34_dapm_widgetsb
));
350 return snd_soc_dapm_add_routes(dapm
, audio_mapb
,
351 ARRAY_SIZE(audio_mapb
));
354 /* Digital audio interface glue - connects codec <--> CPU */
355 static struct snd_soc_dai_link rx51_dai
[] = {
357 .name
= "TLV320AIC34",
358 .stream_name
= "AIC34",
359 .cpu_dai_name
= "omap-mcbsp.2",
360 .codec_dai_name
= "tlv320aic3x-hifi",
361 .platform_name
= "omap-pcm-audio",
362 .codec_name
= "tlv320aic3x-codec.2-0018",
363 .dai_fmt
= SND_SOC_DAIFMT_DSP_A
| SND_SOC_DAIFMT_IB_NF
|
364 SND_SOC_DAIFMT_CBM_CFM
,
365 .init
= rx51_aic34_init
,
370 static struct snd_soc_aux_dev rx51_aux_dev
[] = {
372 .name
= "TLV320AIC34b",
373 .codec_name
= "tlv320aic3x-codec.2-0019",
374 .init
= rx51_aic34b_init
,
378 static struct snd_soc_codec_conf rx51_codec_conf
[] = {
380 .dev_name
= "tlv320aic3x-codec.2-0019",
386 static struct snd_soc_card rx51_sound_card
= {
388 .owner
= THIS_MODULE
,
389 .dai_link
= rx51_dai
,
390 .num_links
= ARRAY_SIZE(rx51_dai
),
391 .aux_dev
= rx51_aux_dev
,
392 .num_aux_devs
= ARRAY_SIZE(rx51_aux_dev
),
393 .codec_conf
= rx51_codec_conf
,
394 .num_configs
= ARRAY_SIZE(rx51_codec_conf
),
397 static struct platform_device
*rx51_snd_device
;
399 static int __init
rx51_soc_init(void)
403 if (!machine_is_nokia_rx51() && !of_machine_is_compatible("nokia,omap3-n900"))
406 err
= gpio_request_one(RX51_TVOUT_SEL_GPIO
,
407 GPIOF_DIR_OUT
| GPIOF_INIT_LOW
, "tvout_sel");
409 goto err_gpio_tvout_sel
;
410 err
= gpio_request_one(RX51_ECI_SW_GPIO
,
411 GPIOF_DIR_OUT
| GPIOF_INIT_HIGH
, "eci_sw");
413 goto err_gpio_eci_sw
;
415 rx51_snd_device
= platform_device_alloc("soc-audio", -1);
416 if (!rx51_snd_device
) {
421 platform_set_drvdata(rx51_snd_device
, &rx51_sound_card
);
423 err
= platform_device_add(rx51_snd_device
);
429 platform_device_put(rx51_snd_device
);
431 gpio_free(RX51_ECI_SW_GPIO
);
433 gpio_free(RX51_TVOUT_SEL_GPIO
);
439 static void __exit
rx51_soc_exit(void)
441 snd_soc_jack_free_gpios(&rx51_av_jack
, ARRAY_SIZE(rx51_av_jack_gpios
),
444 platform_device_unregister(rx51_snd_device
);
445 gpio_free(RX51_ECI_SW_GPIO
);
446 gpio_free(RX51_TVOUT_SEL_GPIO
);
449 module_init(rx51_soc_init
);
450 module_exit(rx51_soc_exit
);
452 MODULE_AUTHOR("Nokia Corporation");
453 MODULE_DESCRIPTION("ALSA SoC Nokia RX-51");
454 MODULE_LICENSE("GPL");