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 <plat/mcbsp.h>
35 #include "../codecs/tpa6130a2.h"
37 #include <asm/mach-types.h>
39 #include "omap-mcbsp.h"
42 #define RX51_TVOUT_SEL_GPIO 40
43 #define RX51_JACK_DETECT_GPIO 177
44 #define RX51_ECI_SW_GPIO 182
46 * REVISIT: TWL4030 GPIO base in RX-51. Now statically defined to 192. This
47 * gpio is reserved in arch/arm/mach-omap2/board-rx51-peripherals.c
49 #define RX51_SPEAKER_AMP_TWL_GPIO (192 + 7)
53 RX51_JACK_TVOUT, /* tv-out with stereo output */
54 RX51_JACK_HP, /* headphone: stereo output, no mic */
55 RX51_JACK_HS, /* headset: stereo output with mic */
58 static int rx51_spk_func;
59 static int rx51_dmic_func;
60 static int rx51_jack_func;
62 static void rx51_ext_control(struct snd_soc_codec *codec)
64 struct snd_soc_dapm_context *dapm = &codec->dapm;
65 int hp = 0, hs = 0, tvout = 0;
67 switch (rx51_jack_func) {
80 snd_soc_dapm_enable_pin(dapm, "Ext Spk");
82 snd_soc_dapm_disable_pin(dapm, "Ext Spk");
84 snd_soc_dapm_enable_pin(dapm, "DMic");
86 snd_soc_dapm_disable_pin(dapm, "DMic");
88 snd_soc_dapm_enable_pin(dapm, "Headphone Jack");
90 snd_soc_dapm_disable_pin(dapm, "Headphone Jack");
92 snd_soc_dapm_enable_pin(dapm, "HS Mic");
94 snd_soc_dapm_disable_pin(dapm, "HS Mic");
96 gpio_set_value(RX51_TVOUT_SEL_GPIO, tvout);
98 snd_soc_dapm_sync(dapm);
101 static int rx51_startup(struct snd_pcm_substream *substream)
103 struct snd_pcm_runtime *runtime = substream->runtime;
104 struct snd_soc_pcm_runtime *rtd = substream->private_data;
105 struct snd_soc_codec *codec = rtd->codec;
107 snd_pcm_hw_constraint_minmax(runtime,
108 SNDRV_PCM_HW_PARAM_CHANNELS, 2, 2);
109 rx51_ext_control(codec);
114 static int rx51_hw_params(struct snd_pcm_substream *substream,
115 struct snd_pcm_hw_params *params)
117 struct snd_soc_pcm_runtime *rtd = substream->private_data;
118 struct snd_soc_dai *codec_dai = rtd->codec_dai;
120 /* Set the codec system clock for DAC and ADC */
121 return snd_soc_dai_set_sysclk(codec_dai, 0, 19200000,
125 static struct snd_soc_ops rx51_ops = {
126 .startup = rx51_startup,
127 .hw_params = rx51_hw_params,
130 static int rx51_get_spk(struct snd_kcontrol *kcontrol,
131 struct snd_ctl_elem_value *ucontrol)
133 ucontrol->value.integer.value[0] = rx51_spk_func;
138 static int rx51_set_spk(struct snd_kcontrol *kcontrol,
139 struct snd_ctl_elem_value *ucontrol)
141 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
143 if (rx51_spk_func == ucontrol->value.integer.value[0])
146 rx51_spk_func = ucontrol->value.integer.value[0];
147 rx51_ext_control(codec);
152 static int rx51_spk_event(struct snd_soc_dapm_widget *w,
153 struct snd_kcontrol *k, int event)
155 if (SND_SOC_DAPM_EVENT_ON(event))
156 gpio_set_value_cansleep(RX51_SPEAKER_AMP_TWL_GPIO, 1);
158 gpio_set_value_cansleep(RX51_SPEAKER_AMP_TWL_GPIO, 0);
163 static int rx51_hp_event(struct snd_soc_dapm_widget *w,
164 struct snd_kcontrol *k, int event)
166 struct snd_soc_codec *codec = w->dapm->codec;
168 if (SND_SOC_DAPM_EVENT_ON(event))
169 tpa6130a2_stereo_enable(codec, 1);
171 tpa6130a2_stereo_enable(codec, 0);
176 static int rx51_get_input(struct snd_kcontrol *kcontrol,
177 struct snd_ctl_elem_value *ucontrol)
179 ucontrol->value.integer.value[0] = rx51_dmic_func;
184 static int rx51_set_input(struct snd_kcontrol *kcontrol,
185 struct snd_ctl_elem_value *ucontrol)
187 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
189 if (rx51_dmic_func == ucontrol->value.integer.value[0])
192 rx51_dmic_func = ucontrol->value.integer.value[0];
193 rx51_ext_control(codec);
198 static int rx51_get_jack(struct snd_kcontrol *kcontrol,
199 struct snd_ctl_elem_value *ucontrol)
201 ucontrol->value.integer.value[0] = rx51_jack_func;
206 static int rx51_set_jack(struct snd_kcontrol *kcontrol,
207 struct snd_ctl_elem_value *ucontrol)
209 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
211 if (rx51_jack_func == ucontrol->value.integer.value[0])
214 rx51_jack_func = ucontrol->value.integer.value[0];
215 rx51_ext_control(codec);
220 static struct snd_soc_jack rx51_av_jack;
222 static struct snd_soc_jack_gpio rx51_av_jack_gpios[] = {
224 .gpio = RX51_JACK_DETECT_GPIO,
225 .name = "avdet-gpio",
226 .report = SND_JACK_HEADSET,
228 .debounce_time = 200,
232 static const struct snd_soc_dapm_widget aic34_dapm_widgets[] = {
233 SND_SOC_DAPM_SPK("Ext Spk", rx51_spk_event),
234 SND_SOC_DAPM_MIC("DMic", NULL),
235 SND_SOC_DAPM_HP("Headphone Jack", rx51_hp_event),
236 SND_SOC_DAPM_MIC("HS Mic", NULL),
237 SND_SOC_DAPM_LINE("FM Transmitter", NULL),
240 static const struct snd_soc_dapm_widget aic34_dapm_widgetsb[] = {
241 SND_SOC_DAPM_SPK("Earphone", NULL),
244 static const struct snd_soc_dapm_route audio_map[] = {
245 {"Ext Spk", NULL, "HPLOUT"},
246 {"Ext Spk", NULL, "HPROUT"},
247 {"Headphone Jack", NULL, "LLOUT"},
248 {"Headphone Jack", NULL, "RLOUT"},
249 {"FM Transmitter", NULL, "LLOUT"},
250 {"FM Transmitter", NULL, "RLOUT"},
252 {"DMic Rate 64", NULL, "Mic Bias 2V"},
253 {"Mic Bias 2V", NULL, "DMic"},
256 static const struct snd_soc_dapm_route audio_mapb[] = {
257 {"b LINE2R", NULL, "MONO_LOUT"},
258 {"Earphone", NULL, "b HPLOUT"},
260 {"LINE1L", NULL, "b Mic Bias 2.5V"},
261 {"b Mic Bias 2.5V", NULL, "HS Mic"}
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", "Headset"};
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),
281 SOC_DAPM_PIN_SWITCH("FM Transmitter"),
284 static const struct snd_kcontrol_new aic34_rx51_controlsb[] = {
285 SOC_DAPM_PIN_SWITCH("Earphone"),
288 static int rx51_aic34_init(struct snd_soc_pcm_runtime *rtd)
290 struct snd_soc_codec *codec = rtd->codec;
291 struct snd_soc_dapm_context *dapm = &codec->dapm;
294 /* Set up NC codec pins */
295 snd_soc_dapm_nc_pin(dapm, "MIC3L");
296 snd_soc_dapm_nc_pin(dapm, "MIC3R");
297 snd_soc_dapm_nc_pin(dapm, "LINE1R");
299 /* Add RX-51 specific controls */
300 err = snd_soc_add_controls(codec, aic34_rx51_controls,
301 ARRAY_SIZE(aic34_rx51_controls));
305 /* Add RX-51 specific widgets */
306 snd_soc_dapm_new_controls(dapm, aic34_dapm_widgets,
307 ARRAY_SIZE(aic34_dapm_widgets));
309 /* Set up RX-51 specific audio path audio_map */
310 snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
312 err = tpa6130a2_add_controls(codec);
315 snd_soc_limit_volume(codec, "TPA6130A2 Headphone Playback Volume", 42);
317 err = omap_mcbsp_st_add_controls(codec, 1);
321 /* AV jack detection */
322 err = snd_soc_jack_new(codec, "AV Jack",
323 SND_JACK_HEADSET | SND_JACK_VIDEOOUT,
327 err = snd_soc_jack_add_gpios(&rx51_av_jack,
328 ARRAY_SIZE(rx51_av_jack_gpios),
334 static int rx51_aic34b_init(struct snd_soc_dapm_context *dapm)
338 err = snd_soc_add_controls(dapm->codec, aic34_rx51_controlsb,
339 ARRAY_SIZE(aic34_rx51_controlsb));
343 err = snd_soc_dapm_new_controls(dapm, aic34_dapm_widgetsb,
344 ARRAY_SIZE(aic34_dapm_widgetsb));
348 return snd_soc_dapm_add_routes(dapm, audio_mapb,
349 ARRAY_SIZE(audio_mapb));
352 /* Digital audio interface glue - connects codec <--> CPU */
353 static struct snd_soc_dai_link rx51_dai[] = {
355 .name = "TLV320AIC34",
356 .stream_name = "AIC34",
357 .cpu_dai_name = "omap-mcbsp-dai.1",
358 .codec_dai_name = "tlv320aic3x-hifi",
359 .platform_name = "omap-pcm-audio",
360 .codec_name = "tlv320aic3x-codec.2-0018",
361 .dai_fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_IB_NF |
362 SND_SOC_DAIFMT_CBM_CFM,
363 .init = rx51_aic34_init,
368 struct snd_soc_aux_dev rx51_aux_dev[] = {
370 .name = "TLV320AIC34b",
371 .codec_name = "tlv320aic3x-codec.2-0019",
372 .init = rx51_aic34b_init,
376 static struct snd_soc_codec_conf rx51_codec_conf[] = {
378 .dev_name = "tlv320aic3x-codec.2-0019",
384 static struct snd_soc_card rx51_sound_card = {
386 .dai_link = rx51_dai,
387 .num_links = ARRAY_SIZE(rx51_dai),
388 .aux_dev = rx51_aux_dev,
389 .num_aux_devs = ARRAY_SIZE(rx51_aux_dev),
390 .codec_conf = rx51_codec_conf,
391 .num_configs = ARRAY_SIZE(rx51_codec_conf),
394 static struct platform_device *rx51_snd_device;
396 static int __init rx51_soc_init(void)
400 if (!machine_is_nokia_rx51())
403 err = gpio_request_one(RX51_TVOUT_SEL_GPIO,
404 GPIOF_DIR_OUT | GPIOF_INIT_LOW, "tvout_sel");
406 goto err_gpio_tvout_sel;
407 err = gpio_request_one(RX51_ECI_SW_GPIO,
408 GPIOF_DIR_OUT | GPIOF_INIT_HIGH, "eci_sw");
410 goto err_gpio_eci_sw;
412 rx51_snd_device = platform_device_alloc("soc-audio", -1);
413 if (!rx51_snd_device) {
418 platform_set_drvdata(rx51_snd_device, &rx51_sound_card);
420 err = platform_device_add(rx51_snd_device);
426 platform_device_put(rx51_snd_device);
428 gpio_free(RX51_ECI_SW_GPIO);
430 gpio_free(RX51_TVOUT_SEL_GPIO);
436 static void __exit rx51_soc_exit(void)
438 snd_soc_jack_free_gpios(&rx51_av_jack, ARRAY_SIZE(rx51_av_jack_gpios),
441 platform_device_unregister(rx51_snd_device);
442 gpio_free(RX51_ECI_SW_GPIO);
443 gpio_free(RX51_TVOUT_SEL_GPIO);
446 module_init(rx51_soc_init);
447 module_exit(rx51_soc_exit);
449 MODULE_AUTHOR("Nokia Corporation");
450 MODULE_DESCRIPTION("ALSA SoC Nokia RX-51");
451 MODULE_LICENSE("GPL");