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/*
* rx51.c -- SoC audio for Nokia RX-51
*
* Copyright (C) 2008 - 2009 Nokia Corporation
*
* Contact: Peter Ujfalusi <peter.ujfalusi@ti.com>
* Eduardo Valentin <eduardo.valentin@nokia.com>
* Jarkko Nikula <jarkko.nikula@bitmer.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
*/
#include <linux/delay.h>
#include <linux/gpio.h>
#include <linux/platform_device.h>
#include <linux/module.h>
#include <sound/core.h>
#include <sound/jack.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <linux/platform_data/asoc-ti-mcbsp.h>
#include "../codecs/tpa6130a2.h"
#include <asm/mach-types.h>
#include "omap-mcbsp.h"
#define RX51_TVOUT_SEL_GPIO 40
#define RX51_JACK_DETECT_GPIO 177
#define RX51_ECI_SW_GPIO 182
/*
* REVISIT: TWL4030 GPIO base in RX-51. Now statically defined to 192. This
* gpio is reserved in arch/arm/mach-omap2/board-rx51-peripherals.c
*/
#define RX51_SPEAKER_AMP_TWL_GPIO (192 + 7)
enum {
RX51_JACK_DISABLED,
RX51_JACK_TVOUT, /* tv-out with stereo output */
RX51_JACK_HP, /* headphone: stereo output, no mic */
RX51_JACK_HS, /* headset: stereo output with mic */
};
static int rx51_spk_func;
static int rx51_dmic_func;
static int rx51_jack_func;
static void rx51_ext_control(struct snd_soc_dapm_context *dapm)
{
int hp = 0, hs = 0, tvout = 0;
switch (rx51_jack_func) {
case RX51_JACK_TVOUT:
tvout = 1;
hp = 1;
break;
case RX51_JACK_HS:
hs = 1;
case RX51_JACK_HP:
hp = 1;
break;
}
if (rx51_spk_func)
snd_soc_dapm_enable_pin(dapm, "Ext Spk");
else
snd_soc_dapm_disable_pin(dapm, "Ext Spk");
if (rx51_dmic_func)
snd_soc_dapm_enable_pin(dapm, "DMic");
else
snd_soc_dapm_disable_pin(dapm, "DMic");
if (hp)
snd_soc_dapm_enable_pin(dapm, "Headphone Jack");
else
snd_soc_dapm_disable_pin(dapm, "Headphone Jack");
if (hs)
snd_soc_dapm_enable_pin(dapm, "HS Mic");
else
snd_soc_dapm_disable_pin(dapm, "HS Mic");
gpio_set_value(RX51_TVOUT_SEL_GPIO, tvout);
snd_soc_dapm_sync(dapm);
}
static int rx51_startup(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_card *card = rtd->card;
snd_pcm_hw_constraint_minmax(runtime,
SNDRV_PCM_HW_PARAM_CHANNELS, 2, 2);
rx51_ext_control(&card->dapm);
return 0;
}
static int rx51_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_dai *codec_dai = rtd->codec_dai;
/* Set the codec system clock for DAC and ADC */
return snd_soc_dai_set_sysclk(codec_dai, 0, 19200000,
SND_SOC_CLOCK_IN);
}
static struct snd_soc_ops rx51_ops = {
.startup = rx51_startup,
.hw_params = rx51_hw_params,
};
static int rx51_get_spk(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
ucontrol->value.integer.value[0] = rx51_spk_func;
return 0;
}
static int rx51_set_spk(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
if (rx51_spk_func == ucontrol->value.integer.value[0])
return 0;
rx51_spk_func = ucontrol->value.integer.value[0];
rx51_ext_control(&card->dapm);
return 1;
}
static int rx51_spk_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *k, int event)
{
if (SND_SOC_DAPM_EVENT_ON(event))
gpio_set_value_cansleep(RX51_SPEAKER_AMP_TWL_GPIO, 1);
else
gpio_set_value_cansleep(RX51_SPEAKER_AMP_TWL_GPIO, 0);
return 0;
}
static int rx51_hp_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *k, int event)
{
struct snd_soc_codec *codec = w->dapm->codec;
if (SND_SOC_DAPM_EVENT_ON(event))
tpa6130a2_stereo_enable(codec, 1);
else
tpa6130a2_stereo_enable(codec, 0);
return 0;
}
static int rx51_get_input(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
ucontrol->value.integer.value[0] = rx51_dmic_func;
return 0;
}
static int rx51_set_input(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
if (rx51_dmic_func == ucontrol->value.integer.value[0])
return 0;
rx51_dmic_func = ucontrol->value.integer.value[0];
rx51_ext_control(&card->dapm);
return 1;
}
static int rx51_get_jack(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
ucontrol->value.integer.value[0] = rx51_jack_func;
return 0;
}
static int rx51_set_jack(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
if (rx51_jack_func == ucontrol->value.integer.value[0])
return 0;
rx51_jack_func = ucontrol->value.integer.value[0];
rx51_ext_control(&card->dapm);
return 1;
}
static struct snd_soc_jack rx51_av_jack;
static struct snd_soc_jack_gpio rx51_av_jack_gpios[] = {
{
.gpio = RX51_JACK_DETECT_GPIO,
.name = "avdet-gpio",
.report = SND_JACK_HEADSET,
.invert = 1,
.debounce_time = 200,
},
};
static const struct snd_soc_dapm_widget aic34_dapm_widgets[] = {
SND_SOC_DAPM_SPK("Ext Spk", rx51_spk_event),
SND_SOC_DAPM_MIC("DMic", NULL),
SND_SOC_DAPM_HP("Headphone Jack", rx51_hp_event),
SND_SOC_DAPM_MIC("HS Mic", NULL),
SND_SOC_DAPM_LINE("FM Transmitter", NULL),
};
static const struct snd_soc_dapm_widget aic34_dapm_widgetsb[] = {
SND_SOC_DAPM_SPK("Earphone", NULL),
};
static const struct snd_soc_dapm_route audio_map[] = {
{"Ext Spk", NULL, "HPLOUT"},
{"Ext Spk", NULL, "HPROUT"},
{"Headphone Jack", NULL, "LLOUT"},
{"Headphone Jack", NULL, "RLOUT"},
{"FM Transmitter", NULL, "LLOUT"},
{"FM Transmitter", NULL, "RLOUT"},
{"DMic Rate 64", NULL, "Mic Bias"},
{"Mic Bias", NULL, "DMic"},
};
static const struct snd_soc_dapm_route audio_mapb[] = {
{"b LINE2R", NULL, "MONO_LOUT"},
{"Earphone", NULL, "b HPLOUT"},
{"LINE1L", NULL, "b Mic Bias"},
{"b Mic Bias", NULL, "HS Mic"}
};
static const char *spk_function[] = {"Off", "On"};
static const char *input_function[] = {"ADC", "Digital Mic"};
static const char *jack_function[] = {"Off", "TV-OUT", "Headphone", "Headset"};
static const struct soc_enum rx51_enum[] = {
SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(spk_function), spk_function),
SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(input_function), input_function),
SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(jack_function), jack_function),
};
static const struct snd_kcontrol_new aic34_rx51_controls[] = {
SOC_ENUM_EXT("Speaker Function", rx51_enum[0],
rx51_get_spk, rx51_set_spk),
SOC_ENUM_EXT("Input Select", rx51_enum[1],
rx51_get_input, rx51_set_input),
SOC_ENUM_EXT("Jack Function", rx51_enum[2],
rx51_get_jack, rx51_set_jack),
SOC_DAPM_PIN_SWITCH("FM Transmitter"),
};
static const struct snd_kcontrol_new aic34_rx51_controlsb[] = {
SOC_DAPM_PIN_SWITCH("Earphone"),
};
static int rx51_aic34_init(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_codec *codec = rtd->codec;
struct snd_soc_dapm_context *dapm = &codec->dapm;
int err;
/* Set up NC codec pins */
snd_soc_dapm_nc_pin(dapm, "MIC3L");
snd_soc_dapm_nc_pin(dapm, "MIC3R");
snd_soc_dapm_nc_pin(dapm, "LINE1R");
/* Add RX-51 specific controls */
err = snd_soc_add_card_controls(rtd->card, aic34_rx51_controls,
ARRAY_SIZE(aic34_rx51_controls));
if (err < 0)
return err;
/* Add RX-51 specific widgets */
snd_soc_dapm_new_controls(dapm, aic34_dapm_widgets,
ARRAY_SIZE(aic34_dapm_widgets));
/* Set up RX-51 specific audio path audio_map */
snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
err = tpa6130a2_add_controls(codec);
if (err < 0)
return err;
snd_soc_limit_volume(codec, "TPA6130A2 Headphone Playback Volume", 42);
err = omap_mcbsp_st_add_controls(rtd);
if (err < 0)
return err;
/* AV jack detection */
err = snd_soc_jack_new(codec, "AV Jack",
SND_JACK_HEADSET | SND_JACK_VIDEOOUT,
&rx51_av_jack);
if (err)
return err;
err = snd_soc_jack_add_gpios(&rx51_av_jack,
ARRAY_SIZE(rx51_av_jack_gpios),
rx51_av_jack_gpios);
return err;
}
static int rx51_aic34b_init(struct snd_soc_dapm_context *dapm)
{
int err;
err = snd_soc_add_card_controls(dapm->card, aic34_rx51_controlsb,
ARRAY_SIZE(aic34_rx51_controlsb));
if (err < 0)
return err;
err = snd_soc_dapm_new_controls(dapm, aic34_dapm_widgetsb,
ARRAY_SIZE(aic34_dapm_widgetsb));
if (err < 0)
return 0;
return snd_soc_dapm_add_routes(dapm, audio_mapb,
ARRAY_SIZE(audio_mapb));
}
/* Digital audio interface glue - connects codec <--> CPU */
static struct snd_soc_dai_link rx51_dai[] = {
{
.name = "TLV320AIC34",
.stream_name = "AIC34",
.cpu_dai_name = "omap-mcbsp.2",
.codec_dai_name = "tlv320aic3x-hifi",
.platform_name = "omap-pcm-audio",
.codec_name = "tlv320aic3x-codec.2-0018",
.dai_fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_IB_NF |
SND_SOC_DAIFMT_CBM_CFM,
.init = rx51_aic34_init,
.ops = &rx51_ops,
},
};
static struct snd_soc_aux_dev rx51_aux_dev[] = {
{
.name = "TLV320AIC34b",
.codec_name = "tlv320aic3x-codec.2-0019",
.init = rx51_aic34b_init,
},
};
static struct snd_soc_codec_conf rx51_codec_conf[] = {
{
.dev_name = "tlv320aic3x-codec.2-0019",
.name_prefix = "b",
},
};
/* Audio card */
static struct snd_soc_card rx51_sound_card = {
.name = "RX-51",
.owner = THIS_MODULE,
.dai_link = rx51_dai,
.num_links = ARRAY_SIZE(rx51_dai),
.aux_dev = rx51_aux_dev,
.num_aux_devs = ARRAY_SIZE(rx51_aux_dev),
.codec_conf = rx51_codec_conf,
.num_configs = ARRAY_SIZE(rx51_codec_conf),
};
static struct platform_device *rx51_snd_device;
static int __init rx51_soc_init(void)
{
int err;
if (!machine_is_nokia_rx51())
return -ENODEV;
err = gpio_request_one(RX51_TVOUT_SEL_GPIO,
GPIOF_DIR_OUT | GPIOF_INIT_LOW, "tvout_sel");
if (err)
goto err_gpio_tvout_sel;
err = gpio_request_one(RX51_ECI_SW_GPIO,
GPIOF_DIR_OUT | GPIOF_INIT_HIGH, "eci_sw");
if (err)
goto err_gpio_eci_sw;
rx51_snd_device = platform_device_alloc("soc-audio", -1);
if (!rx51_snd_device) {
err = -ENOMEM;
goto err1;
}
platform_set_drvdata(rx51_snd_device, &rx51_sound_card);
err = platform_device_add(rx51_snd_device);
if (err)
goto err2;
return 0;
err2:
platform_device_put(rx51_snd_device);
err1:
gpio_free(RX51_ECI_SW_GPIO);
err_gpio_eci_sw:
gpio_free(RX51_TVOUT_SEL_GPIO);
err_gpio_tvout_sel:
return err;
}
static void __exit rx51_soc_exit(void)
{
snd_soc_jack_free_gpios(&rx51_av_jack, ARRAY_SIZE(rx51_av_jack_gpios),
rx51_av_jack_gpios);
platform_device_unregister(rx51_snd_device);
gpio_free(RX51_ECI_SW_GPIO);
gpio_free(RX51_TVOUT_SEL_GPIO);
}
module_init(rx51_soc_init);
module_exit(rx51_soc_exit);
MODULE_AUTHOR("Nokia Corporation");
MODULE_DESCRIPTION("ALSA SoC Nokia RX-51");
MODULE_LICENSE("GPL");