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");