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Release 4.7 sound/soc/omap/n810.c

Directory: sound/soc/omap
/*
 * n810.c  --  SoC audio for Nokia N810
 *
 * Copyright (C) 2008 Nokia Corporation
 *
 * Contact: 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/clk.h>
#include <linux/i2c.h>
#include <linux/platform_device.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>

#include <asm/mach-types.h>
#include <linux/gpio.h>
#include <linux/module.h>
#include <linux/platform_data/asoc-ti-mcbsp.h>

#include "omap-mcbsp.h"


#define N810_HEADSET_AMP_GPIO	10

#define N810_SPEAKER_AMP_GPIO	101

enum {
	
N810_JACK_DISABLED,
	
N810_JACK_HP,
	
N810_JACK_HS,
	
N810_JACK_MIC,
};


static struct clk *sys_clkout2;

static struct clk *sys_clkout2_src;

static struct clk *func96m_clk;


static int n810_spk_func;

static int n810_jack_func;

static int n810_dmic_func;


static void n810_ext_control(struct snd_soc_dapm_context *dapm) { int hp = 0, line1l = 0; switch (n810_jack_func) { case N810_JACK_HS: line1l = 1; case N810_JACK_HP: hp = 1; break; case N810_JACK_MIC: line1l = 1; break; } snd_soc_dapm_mutex_lock(dapm); if (n810_spk_func) snd_soc_dapm_enable_pin_unlocked(dapm, "Ext Spk"); else snd_soc_dapm_disable_pin_unlocked(dapm, "Ext Spk"); if (hp) snd_soc_dapm_enable_pin_unlocked(dapm, "Headphone Jack"); else snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack"); if (line1l) snd_soc_dapm_enable_pin_unlocked(dapm, "LINE1L"); else snd_soc_dapm_disable_pin_unlocked(dapm, "LINE1L"); if (n810_dmic_func) snd_soc_dapm_enable_pin_unlocked(dapm, "DMic"); else snd_soc_dapm_disable_pin_unlocked(dapm, "DMic"); snd_soc_dapm_sync_unlocked(dapm); snd_soc_dapm_mutex_unlock(dapm); }

Contributors

PersonTokensPropCommitsCommitProp
jarkko nikulajarkko nikula8862.86%337.50%
liam girdwoodliam girdwood3323.57%450.00%
charles keepaxcharles keepax1913.57%112.50%
Total140100.00%8100.00%


static int n810_startup(struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; struct snd_soc_pcm_runtime *rtd = substream->private_data; snd_pcm_hw_constraint_single(runtime, SNDRV_PCM_HW_PARAM_CHANNELS, 2); n810_ext_control(&rtd->card->dapm); return clk_prepare_enable(sys_clkout2); }

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PersonTokensPropCommitsCommitProp
liam girdwoodliam girdwood3259.26%233.33%
jarkko nikulajarkko nikula1833.33%233.33%
lars-peter clausenlars-peter clausen47.41%233.33%
Total54100.00%6100.00%


static void n810_shutdown(struct snd_pcm_substream *substream) { clk_disable_unprepare(sys_clkout2); }

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PersonTokensPropCommitsCommitProp
liam girdwoodliam girdwood1593.75%150.00%
jarkko nikulajarkko nikula16.25%150.00%
Total16100.00%2100.00%


static int n810_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; int err; /* Set the codec system clock for DAC and ADC */ err = snd_soc_dai_set_sysclk(codec_dai, 0, 12000000, SND_SOC_CLOCK_IN); return err; }

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liam girdwoodliam girdwood54100.00%1100.00%
Total54100.00%1100.00%

static struct snd_soc_ops n810_ops = { .startup = n810_startup, .hw_params = n810_hw_params, .shutdown = n810_shutdown, };
static int n810_get_spk(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { ucontrol->value.enumerated.item[0] = n810_spk_func; return 0; }

Contributors

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liam girdwoodliam girdwood3093.75%150.00%
takashi iwaitakashi iwai26.25%150.00%
Total32100.00%2100.00%


static int n810_set_spk(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); if (n810_spk_func == ucontrol->value.enumerated.item[0]) return 0; n810_spk_func = ucontrol->value.enumerated.item[0]; n810_ext_control(&card->dapm); return 1; }

Contributors

PersonTokensPropCommitsCommitProp
liam girdwoodliam girdwood6494.12%266.67%
takashi iwaitakashi iwai45.88%133.33%
Total68100.00%3100.00%


static int n810_get_jack(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { ucontrol->value.enumerated.item[0] = n810_jack_func; return 0; }

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liam girdwoodliam girdwood3093.75%150.00%
takashi iwaitakashi iwai26.25%150.00%
Total32100.00%2100.00%


static int n810_set_jack(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); if (n810_jack_func == ucontrol->value.enumerated.item[0]) return 0; n810_jack_func = ucontrol->value.enumerated.item[0]; n810_ext_control(&card->dapm); return 1; }

Contributors

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liam girdwoodliam girdwood6494.12%266.67%
takashi iwaitakashi iwai45.88%133.33%
Total68100.00%3100.00%


static int n810_get_input(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { ucontrol->value.enumerated.item[0] = n810_dmic_func; return 0; }

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liam girdwoodliam girdwood3093.75%150.00%
takashi iwaitakashi iwai26.25%150.00%
Total32100.00%2100.00%


static int n810_set_input(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); if (n810_dmic_func == ucontrol->value.enumerated.item[0]) return 0; n810_dmic_func = ucontrol->value.enumerated.item[0]; n810_ext_control(&card->dapm); return 1; }

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liam girdwoodliam girdwood6088.24%250.00%
axel linaxel lin45.88%125.00%
takashi iwaitakashi iwai45.88%125.00%
Total68100.00%4100.00%


static int n810_spk_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *k, int event) { if (SND_SOC_DAPM_EVENT_ON(event)) gpio_set_value(N810_SPEAKER_AMP_GPIO, 1); else gpio_set_value(N810_SPEAKER_AMP_GPIO, 0); return 0; }

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liam girdwoodliam girdwood44100.00%1100.00%
Total44100.00%1100.00%


static int n810_jack_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *k, int event) { if (SND_SOC_DAPM_EVENT_ON(event)) gpio_set_value(N810_HEADSET_AMP_GPIO, 1); else gpio_set_value(N810_HEADSET_AMP_GPIO, 0); return 0; }

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liam girdwoodliam girdwood44100.00%1100.00%
Total44100.00%1100.00%

static const struct snd_soc_dapm_widget aic33_dapm_widgets[] = { SND_SOC_DAPM_SPK("Ext Spk", n810_spk_event), SND_SOC_DAPM_HP("Headphone Jack", n810_jack_event), SND_SOC_DAPM_MIC("DMic", NULL), }; static const struct snd_soc_dapm_route audio_map[] = { {"Headphone Jack", NULL, "HPLOUT"}, {"Headphone Jack", NULL, "HPROUT"}, {"Ext Spk", NULL, "LLOUT"}, {"Ext Spk", NULL, "RLOUT"}, {"DMic Rate 64", NULL, "Mic Bias"}, {"Mic Bias", NULL, "DMic"}, }; static const char *spk_function[] = {"Off", "On"}; static const char *jack_function[] = {"Off", "Headphone", "Headset", "Mic"}; static const char *input_function[] = {"ADC", "Digital Mic"}; static const struct soc_enum n810_enum[] = { SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(spk_function), spk_function), SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(jack_function), jack_function), SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(input_function), input_function), }; static const struct snd_kcontrol_new aic33_n810_controls[] = { SOC_ENUM_EXT("Speaker Function", n810_enum[0], n810_get_spk, n810_set_spk), SOC_ENUM_EXT("Jack Function", n810_enum[1], n810_get_jack, n810_set_jack), SOC_ENUM_EXT("Input Select", n810_enum[2], n810_get_input, n810_set_input), }; /* Digital audio interface glue - connects codec <--> CPU */ static struct snd_soc_dai_link n810_dai = { .name = "TLV320AIC33", .stream_name = "AIC33", .cpu_dai_name = "omap-mcbsp.2", .platform_name = "omap-mcbsp.2", .codec_name = "tlv320aic3x-codec.2-0018", .codec_dai_name = "tlv320aic3x-hifi", .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM, .ops = &n810_ops, }; /* Audio machine driver */ static struct snd_soc_card snd_soc_n810 = { .name = "N810", .owner = THIS_MODULE, .dai_link = &n810_dai, .num_links = 1, .controls = aic33_n810_controls, .num_controls = ARRAY_SIZE(aic33_n810_controls), .dapm_widgets = aic33_dapm_widgets, .num_dapm_widgets = ARRAY_SIZE(aic33_dapm_widgets), .dapm_routes = audio_map, .num_dapm_routes = ARRAY_SIZE(audio_map), .fully_routed = true, }; static struct platform_device *n810_snd_device;
static int __init n810_soc_init(void) { int err; struct device *dev; if (!of_have_populated_dt() || (!of_machine_is_compatible("nokia,n810") && !of_machine_is_compatible("nokia,n810-wimax"))) return -ENODEV; n810_snd_device = platform_device_alloc("soc-audio", -1); if (!n810_snd_device) return -ENOMEM; platform_set_drvdata(n810_snd_device, &snd_soc_n810); err = platform_device_add(n810_snd_device); if (err) goto err1; dev = &n810_snd_device->dev; sys_clkout2_src = clk_get(dev, "sys_clkout2_src"); if (IS_ERR(sys_clkout2_src)) { dev_err(dev, "Could not get sys_clkout2_src clock\n"); err = PTR_ERR(sys_clkout2_src); goto err2; } sys_clkout2 = clk_get(dev, "sys_clkout2"); if (IS_ERR(sys_clkout2)) { dev_err(dev, "Could not get sys_clkout2\n"); err = PTR_ERR(sys_clkout2); goto err3; } /* * Configure 12 MHz output on SYS_CLKOUT2. Therefore we must use * 96 MHz as its parent in order to get 12 MHz */ func96m_clk = clk_get(dev, "func_96m_ck"); if (IS_ERR(func96m_clk)) { dev_err(dev, "Could not get func 96M clock\n"); err = PTR_ERR(func96m_clk); goto err4; } clk_set_parent(sys_clkout2_src, func96m_clk); clk_set_rate(sys_clkout2, 12000000); if (WARN_ON((gpio_request(N810_HEADSET_AMP_GPIO, "hs_amp") < 0) || (gpio_request(N810_SPEAKER_AMP_GPIO, "spk_amp") < 0))) { err = -EINVAL; goto err4; } gpio_direction_output(N810_HEADSET_AMP_GPIO, 0); gpio_direction_output(N810_SPEAKER_AMP_GPIO, 0); return 0; err4: clk_put(sys_clkout2); err3: clk_put(sys_clkout2_src); err2: platform_device_del(n810_snd_device); err1: platform_device_put(n810_snd_device); return err; }

Contributors

PersonTokensPropCommitsCommitProp
liam girdwoodliam girdwood22576.53%233.33%
jarkko nikulajarkko nikula3612.24%116.67%
aaro koskinenaaro koskinen134.42%116.67%
takashi iwaitakashi iwai134.42%116.67%
alexander beregalovalexander beregalov72.38%116.67%
Total294100.00%6100.00%


static void __exit n810_soc_exit(void) { gpio_free(N810_SPEAKER_AMP_GPIO); gpio_free(N810_HEADSET_AMP_GPIO); clk_put(sys_clkout2_src); clk_put(sys_clkout2); clk_put(func96m_clk); platform_device_unregister(n810_snd_device); }

Contributors

PersonTokensPropCommitsCommitProp
liam girdwoodliam girdwood2461.54%150.00%
jarkko nikulajarkko nikula1538.46%150.00%
Total39100.00%2100.00%

module_init(n810_soc_init); module_exit(n810_soc_exit); MODULE_AUTHOR("Jarkko Nikula <jarkko.nikula@bitmer.com>"); MODULE_DESCRIPTION("ALSA SoC Nokia N810"); MODULE_LICENSE("GPL");

Overall Contributors

PersonTokensPropCommitsCommitProp
liam girdwoodliam girdwood107973.55%515.62%
jarkko nikulajarkko nikula24816.91%928.12%
peter ujfalusipeter ujfalusi412.79%39.38%
takashi iwaitakashi iwai312.11%26.25%
charles keepaxcharles keepax191.30%13.12%
aaro koskinenaaro koskinen130.89%13.12%
lars-peter clausenlars-peter clausen90.61%39.38%
axel linaxel lin90.61%26.25%
alexander beregalovalexander beregalov70.48%13.12%
ben dooksben dooks30.20%13.12%
paul gortmakerpaul gortmaker30.20%13.12%
mark brownmark brown20.14%13.12%
hebbar gururajahebbar gururaja20.14%13.12%
arnd bergmannarnd bergmann10.07%13.12%
Total1467100.00%32100.00%
Directory: sound/soc/omap
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