diff options
Diffstat (limited to 'sound/soc/omap/rx51.c')
| -rw-r--r-- | sound/soc/omap/rx51.c | 468 |
1 files changed, 468 insertions, 0 deletions
diff --git a/sound/soc/omap/rx51.c b/sound/soc/omap/rx51.c new file mode 100644 index 00000000..0aae998b --- /dev/null +++ b/sound/soc/omap/rx51.c @@ -0,0 +1,468 @@ +/* + * 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 <jhnikula@gmail.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 <sound/core.h> +#include <sound/jack.h> +#include <sound/pcm.h> +#include <sound/soc.h> +#include <plat/mcbsp.h> +#include "../codecs/tpa6130a2.h" + +#include <asm/mach-types.h> + +#include "omap-mcbsp.h" +#include "omap-pcm.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_codec *codec) +{ + struct snd_soc_dapm_context *dapm = &codec->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_codec *codec = rtd->codec; + + snd_pcm_hw_constraint_minmax(runtime, + SNDRV_PCM_HW_PARAM_CHANNELS, 2, 2); + rx51_ext_control(codec); + + 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; + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + int err; + + /* Set codec DAI configuration */ + err = snd_soc_dai_set_fmt(codec_dai, + SND_SOC_DAIFMT_DSP_A | + SND_SOC_DAIFMT_IB_NF | + SND_SOC_DAIFMT_CBM_CFM); + if (err < 0) + return err; + + /* Set cpu DAI configuration */ + err = snd_soc_dai_set_fmt(cpu_dai, + SND_SOC_DAIFMT_DSP_A | + SND_SOC_DAIFMT_IB_NF | + SND_SOC_DAIFMT_CBM_CFM); + if (err < 0) + return err; + + /* 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_codec *codec = 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(codec); + + 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_codec *codec = 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(codec); + + 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_codec *codec = 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(codec); + + 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 2V"}, + {"Mic Bias 2V", 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 2.5V"}, + {"b Mic Bias 2.5V", 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_controls(codec, 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(codec, 1); + if (err < 0) + return err; + + snd_soc_dapm_sync(dapm); + + /* 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_controls(dapm->codec, 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-dai.1", + .codec_dai_name = "tlv320aic3x-hifi", + .platform_name = "omap-pcm-audio", + .codec_name = "tlv320aic3x-codec.2-0018", + .init = rx51_aic34_init, + .ops = &rx51_ops, + }, +}; + +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", + .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"); |