2 * rx51.c -- SoC audio for Nokia RX-51
4 * Copyright (C) 2008 - 2009 Nokia Corporation
6 * Contact: Peter Ujfalusi <peter.ujfalusi@nokia.com>
7 * Eduardo Valentin <eduardo.valentin@nokia.com>
8 * Jarkko Nikula <jhnikula@gmail.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
44 * REVISIT: TWL4030 GPIO base in RX-51. Now statically defined to 192. This
45 * gpio is reserved in arch/arm/mach-omap2/board-rx51-peripherals.c
47 #define RX51_SPEAKER_AMP_TWL_GPIO (192 + 7)
51 RX51_JACK_TVOUT
, /* tv-out with stereo output */
52 RX51_JACK_HP
, /* headphone: stereo output, no mic */
55 static int rx51_spk_func
;
56 static int rx51_dmic_func
;
57 static int rx51_jack_func
;
59 static void rx51_ext_control(struct snd_soc_codec
*codec
)
61 struct snd_soc_dapm_context
*dapm
= &codec
->dapm
;
62 int hp
= 0, tvout
= 0;
64 switch (rx51_jack_func
) {
73 snd_soc_dapm_enable_pin(dapm
, "Ext Spk");
75 snd_soc_dapm_disable_pin(dapm
, "Ext Spk");
77 snd_soc_dapm_enable_pin(dapm
, "DMic");
79 snd_soc_dapm_disable_pin(dapm
, "DMic");
81 snd_soc_dapm_enable_pin(dapm
, "Headphone Jack");
83 snd_soc_dapm_disable_pin(dapm
, "Headphone Jack");
85 gpio_set_value(RX51_TVOUT_SEL_GPIO
, tvout
);
87 snd_soc_dapm_sync(dapm
);
90 static int rx51_startup(struct snd_pcm_substream
*substream
)
92 struct snd_pcm_runtime
*runtime
= substream
->runtime
;
93 struct snd_soc_pcm_runtime
*rtd
= substream
->private_data
;
94 struct snd_soc_codec
*codec
= rtd
->codec
;
96 snd_pcm_hw_constraint_minmax(runtime
,
97 SNDRV_PCM_HW_PARAM_CHANNELS
, 2, 2);
98 rx51_ext_control(codec
);
103 static int rx51_hw_params(struct snd_pcm_substream
*substream
,
104 struct snd_pcm_hw_params
*params
)
106 struct snd_soc_pcm_runtime
*rtd
= substream
->private_data
;
107 struct snd_soc_dai
*codec_dai
= rtd
->codec_dai
;
108 struct snd_soc_dai
*cpu_dai
= rtd
->cpu_dai
;
111 /* Set codec DAI configuration */
112 err
= snd_soc_dai_set_fmt(codec_dai
,
113 SND_SOC_DAIFMT_DSP_A
|
114 SND_SOC_DAIFMT_IB_NF
|
115 SND_SOC_DAIFMT_CBM_CFM
);
119 /* Set cpu DAI configuration */
120 err
= snd_soc_dai_set_fmt(cpu_dai
,
121 SND_SOC_DAIFMT_DSP_A
|
122 SND_SOC_DAIFMT_IB_NF
|
123 SND_SOC_DAIFMT_CBM_CFM
);
127 /* Set the codec system clock for DAC and ADC */
128 return snd_soc_dai_set_sysclk(codec_dai
, 0, 19200000,
132 static struct snd_soc_ops rx51_ops
= {
133 .startup
= rx51_startup
,
134 .hw_params
= rx51_hw_params
,
137 static int rx51_get_spk(struct snd_kcontrol
*kcontrol
,
138 struct snd_ctl_elem_value
*ucontrol
)
140 ucontrol
->value
.integer
.value
[0] = rx51_spk_func
;
145 static int rx51_set_spk(struct snd_kcontrol
*kcontrol
,
146 struct snd_ctl_elem_value
*ucontrol
)
148 struct snd_soc_codec
*codec
= snd_kcontrol_chip(kcontrol
);
150 if (rx51_spk_func
== ucontrol
->value
.integer
.value
[0])
153 rx51_spk_func
= ucontrol
->value
.integer
.value
[0];
154 rx51_ext_control(codec
);
159 static int rx51_spk_event(struct snd_soc_dapm_widget
*w
,
160 struct snd_kcontrol
*k
, int event
)
162 if (SND_SOC_DAPM_EVENT_ON(event
))
163 gpio_set_value_cansleep(RX51_SPEAKER_AMP_TWL_GPIO
, 1);
165 gpio_set_value_cansleep(RX51_SPEAKER_AMP_TWL_GPIO
, 0);
170 static int rx51_hp_event(struct snd_soc_dapm_widget
*w
,
171 struct snd_kcontrol
*k
, int event
)
173 struct snd_soc_codec
*codec
= w
->dapm
->codec
;
175 if (SND_SOC_DAPM_EVENT_ON(event
))
176 tpa6130a2_stereo_enable(codec
, 1);
178 tpa6130a2_stereo_enable(codec
, 0);
183 static int rx51_get_input(struct snd_kcontrol
*kcontrol
,
184 struct snd_ctl_elem_value
*ucontrol
)
186 ucontrol
->value
.integer
.value
[0] = rx51_dmic_func
;
191 static int rx51_set_input(struct snd_kcontrol
*kcontrol
,
192 struct snd_ctl_elem_value
*ucontrol
)
194 struct snd_soc_codec
*codec
= snd_kcontrol_chip(kcontrol
);
196 if (rx51_dmic_func
== ucontrol
->value
.integer
.value
[0])
199 rx51_dmic_func
= ucontrol
->value
.integer
.value
[0];
200 rx51_ext_control(codec
);
205 static int rx51_get_jack(struct snd_kcontrol
*kcontrol
,
206 struct snd_ctl_elem_value
*ucontrol
)
208 ucontrol
->value
.integer
.value
[0] = rx51_jack_func
;
213 static int rx51_set_jack(struct snd_kcontrol
*kcontrol
,
214 struct snd_ctl_elem_value
*ucontrol
)
216 struct snd_soc_codec
*codec
= snd_kcontrol_chip(kcontrol
);
218 if (rx51_jack_func
== ucontrol
->value
.integer
.value
[0])
221 rx51_jack_func
= ucontrol
->value
.integer
.value
[0];
222 rx51_ext_control(codec
);
227 static struct snd_soc_jack rx51_av_jack
;
229 static struct snd_soc_jack_gpio rx51_av_jack_gpios
[] = {
231 .gpio
= RX51_JACK_DETECT_GPIO
,
232 .name
= "avdet-gpio",
233 .report
= SND_JACK_VIDEOOUT
,
235 .debounce_time
= 200,
239 static const struct snd_soc_dapm_widget aic34_dapm_widgets
[] = {
240 SND_SOC_DAPM_SPK("Ext Spk", rx51_spk_event
),
241 SND_SOC_DAPM_MIC("DMic", NULL
),
242 SND_SOC_DAPM_HP("Headphone Jack", rx51_hp_event
),
245 static const struct snd_soc_dapm_widget aic34_dapm_widgetsb
[] = {
246 SND_SOC_DAPM_SPK("Earphone", NULL
),
249 static const struct snd_soc_dapm_route audio_map
[] = {
250 {"Ext Spk", NULL
, "HPLOUT"},
251 {"Ext Spk", NULL
, "HPROUT"},
252 {"Headphone Jack", NULL
, "LLOUT"},
253 {"Headphone Jack", NULL
, "RLOUT"},
255 {"DMic Rate 64", NULL
, "Mic Bias 2V"},
256 {"Mic Bias 2V", NULL
, "DMic"},
259 static const struct snd_soc_dapm_route audio_mapb
[] = {
260 {"b LINE2R", NULL
, "MONO_LOUT"},
261 {"Earphone", NULL
, "b HPLOUT"},
264 static const char *spk_function
[] = {"Off", "On"};
265 static const char *input_function
[] = {"ADC", "Digital Mic"};
266 static const char *jack_function
[] = {"Off", "TV-OUT", "Headphone"};
268 static const struct soc_enum rx51_enum
[] = {
269 SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(spk_function
), spk_function
),
270 SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(input_function
), input_function
),
271 SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(jack_function
), jack_function
),
274 static const struct snd_kcontrol_new aic34_rx51_controls
[] = {
275 SOC_ENUM_EXT("Speaker Function", rx51_enum
[0],
276 rx51_get_spk
, rx51_set_spk
),
277 SOC_ENUM_EXT("Input Select", rx51_enum
[1],
278 rx51_get_input
, rx51_set_input
),
279 SOC_ENUM_EXT("Jack Function", rx51_enum
[2],
280 rx51_get_jack
, rx51_set_jack
),
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 snd_soc_dapm_sync(dapm
);
318 /* AV jack detection */
319 err
= snd_soc_jack_new(codec
, "AV Jack",
320 SND_JACK_VIDEOOUT
, &rx51_av_jack
);
323 err
= snd_soc_jack_add_gpios(&rx51_av_jack
,
324 ARRAY_SIZE(rx51_av_jack_gpios
),
330 static int rx51_aic34b_init(struct snd_soc_dapm_context
*dapm
)
334 err
= snd_soc_add_controls(dapm
->codec
, aic34_rx51_controlsb
,
335 ARRAY_SIZE(aic34_rx51_controlsb
));
339 err
= snd_soc_dapm_new_controls(dapm
, aic34_dapm_widgetsb
,
340 ARRAY_SIZE(aic34_dapm_widgetsb
));
344 return snd_soc_dapm_add_routes(dapm
, audio_mapb
,
345 ARRAY_SIZE(audio_mapb
));
348 /* Digital audio interface glue - connects codec <--> CPU */
349 static struct snd_soc_dai_link rx51_dai
[] = {
351 .name
= "TLV320AIC34",
352 .stream_name
= "AIC34",
353 .cpu_dai_name
= "omap-mcbsp-dai.1",
354 .codec_dai_name
= "tlv320aic3x-hifi",
355 .platform_name
= "omap-pcm-audio",
356 .codec_name
= "tlv320aic3x-codec.2-0018",
357 .init
= rx51_aic34_init
,
362 struct snd_soc_aux_dev rx51_aux_dev
[] = {
364 .name
= "TLV320AIC34b",
365 .codec_name
= "tlv320aic3x-codec.2-0019",
366 .init
= rx51_aic34b_init
,
370 static struct snd_soc_codec_conf rx51_codec_conf
[] = {
372 .dev_name
= "tlv320aic3x-codec.2-0019",
378 static struct snd_soc_card rx51_sound_card
= {
380 .dai_link
= rx51_dai
,
381 .num_links
= ARRAY_SIZE(rx51_dai
),
382 .aux_dev
= rx51_aux_dev
,
383 .num_aux_devs
= ARRAY_SIZE(rx51_aux_dev
),
384 .codec_conf
= rx51_codec_conf
,
385 .num_configs
= ARRAY_SIZE(rx51_codec_conf
),
388 static struct platform_device
*rx51_snd_device
;
390 static int __init
rx51_soc_init(void)
394 if (!machine_is_nokia_rx51())
397 err
= gpio_request(RX51_TVOUT_SEL_GPIO
, "tvout_sel");
399 goto err_gpio_tvout_sel
;
400 gpio_direction_output(RX51_TVOUT_SEL_GPIO
, 0);
402 rx51_snd_device
= platform_device_alloc("soc-audio", -1);
403 if (!rx51_snd_device
) {
408 platform_set_drvdata(rx51_snd_device
, &rx51_sound_card
);
410 err
= platform_device_add(rx51_snd_device
);
416 platform_device_put(rx51_snd_device
);
418 gpio_free(RX51_TVOUT_SEL_GPIO
);
424 static void __exit
rx51_soc_exit(void)
426 snd_soc_jack_free_gpios(&rx51_av_jack
, ARRAY_SIZE(rx51_av_jack_gpios
),
429 platform_device_unregister(rx51_snd_device
);
430 gpio_free(RX51_TVOUT_SEL_GPIO
);
433 module_init(rx51_soc_init
);
434 module_exit(rx51_soc_exit
);
436 MODULE_AUTHOR("Nokia Corporation");
437 MODULE_DESCRIPTION("ALSA SoC Nokia RX-51");
438 MODULE_LICENSE("GPL");