sound/soc/ambarella/pj203.c - nest-cam/v179/linux - Git at Google

 /*
  * sound/soc/PJ203.c
  *
  * Author: Diao Chengdong <cddiao@ambarella.com>
  *
  * History:
  *    2012/05/17 - [Diao Chengdong] Created file
  *
  * Copyright (C) 2004-2009, Ambarella, Inc.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 2 of the License, or
  * (at your option) any later version.
  *
  * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  *
  */

 #include <linux/module.h>
 #include <linux/moduleparam.h>
 #include <linux/io.h>
 #include <linux/platform_device.h>
 #include <sound/soc.h>
 #include <sound/jack.h>
 #include <asm/mach-types.h>
 #include <mach/gpio.h>
 #include <plat/audio.h>

 #include "ambarella_i2s.h"
 #include "../codecs/tlv320dac31.h"

 #define debug_pj203 (0)
 #if debug_pj203
 #define PRINTK(arg...) printk(arg)
 #else
 #define PRINTK(arg...)
 #endif

 /*  havn't test the headphone ,so set gpio_jack = 0*/
 #define GPIO_JACK  0

 #if GPIO_JACK
 module_param(gpio_jack,uint,S_IRUGO);
 MODULE_PARM_DESC(gpio_jack,"Whether or not use a head phone.");
 /* Headset jack */
 static struct snd_soc_jack hs_jack;
 /* Headset jack detection DAPM pins */
 static struct snd_soc_jack_pin hs_jack_pins[]={
 	{
 		.pin = "Headset Mic",
 		.mask = SND_JACK_MICROPHONE,
 	},
 	{
 		.pin = "Headset Stereophone",
 		.mask = SND_JACK_HEADPHONE,
 	},
 };
 /* Headset jack detection gpios */
 static struct snd_soc_jack_gpio hs_jack_gpios[]={
 	{
 		.gpio = GPIO(82),
 		.name = "hsdet-gpio",
 		.report = SND_JACK_HEADSET,
 		.debounce_time = 200,
 	},
 };
 #endif

 static const struct snd_soc_dapm_widget PJ203_dapm_widgets[] = {
 	/*Output*/
 	SND_SOC_DAPM_SPK("Main Spk", NULL),
 #if GPIO_JACK
 	SND_SOC_DAPM_HP("Headphone Jack",NULL),
 #endif
 };

 static const struct snd_soc_dapm_route PJ203_dapm_routes[] = {
 #if GPIO_JACK
 	{"Headphone Jack",NULL,"HPL"},
 	{"Headphone Jack",NULL,"HPR"},
 #endif
 	{"Main Spk",NULL,"LOL"},
 	{"Main Spk",NULL,"LOL"},
 };

 static int PJ203_tlv320_init(struct snd_soc_pcm_runtime *rtd)
 {
 	struct snd_soc_codec *codec = rtd->codec;
 	struct snd_soc_dapm_context *dapm = &codec->dapm;
 	PRINTK("in tlv320_init\n");
 	snd_soc_dapm_new_controls(dapm,PJ203_dapm_widgets,
 			ARRAY_SIZE(PJ203_dapm_widgets));

 	snd_soc_dapm_add_routes(dapm,PJ203_dapm_routes,
 			ARRAY_SIZE(PJ203_dapm_routes));

 	snd_soc_dapm_sync(dapm);

 	ambarella_i2s_add_controls(codec);

 #if GPIO_JACK
 {
 	int errcode=0;
 	errcode = snd_soc_jack_new(codec,"Headset Jack",SND_JACK_HEADSET,&hs_jack);
 	if (errcode)
 		return errcode;
 	errcode = snd_soc_jack_add_pins(&hs_jack,ARRAY_SIZE(hs_jack_pins),hs_jack_pins);
 	if (errcode)
 		return errcode;
 	errcode = snd_soc_jack_add_gpios(&hs_jack,ARRAY_SIZE(hs_jack_gpios),hs_jack_gpios);
 	if (errcode)
 		return errcode;
 }
 #endif

 	return 0;
 }


 static int PJ203_board_startup(struct snd_pcm_substream *substream)
 {
 	PRINTK("in PJ203_board-statup\n");
 	return 0;
 }

 static int PJ203_hifi_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 errorCode = 0, amb_mclk,mclk,oversample;

 	PRINTK("in PJ203_hifi_hw_params\n");
 	switch (params_rate(params)) {
 	case 8000:
 		amb_mclk = AudioCodec_4_096M;
 		mclk = 4096000;
 		oversample = AudioCodec_512xfs;
 		break;
 	case 11025:
 		amb_mclk = AudioCodec_5_6448M;
 		mclk = 5644800;
 		oversample = AudioCodec_512xfs;
 		break;
 	case 16000:
 		amb_mclk = AudioCodec_4_096M;
 		mclk = 4096000;
 		oversample = AudioCodec_256xfs;
 		break;
 	case 22050:
 		amb_mclk = AudioCodec_5_6448M;
 		mclk = 5644800;
 		oversample = AudioCodec_256xfs;
 		break;
 	case 24000:
 		amb_mclk = AudioCodec_6_144;
 		mclk = 6144000;
 		oversample = AudioCodec_256xfs;
 		break;
 	case 32000:
 		amb_mclk = AudioCodec_8_192M;
 		mclk = 8192000;
 		oversample = AudioCodec_256xfs;
 		break;
 	case 44100:
 		amb_mclk = AudioCodec_11_2896M;
 		mclk = 11289600;
 		oversample = AudioCodec_256xfs;
 		break;
 	case 48000:
 		amb_mclk = AudioCodec_12_288M;
 		mclk = 12288000;
 		oversample = AudioCodec_256xfs;
 		break;
 	default:
 		errorCode = -EINVAL;
 		goto hifi_hw_params_exit;
 	}

 	errorCode = snd_soc_dai_set_fmt(codec_dai,
 		SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM);
 	if (errorCode < 0) {
 		pr_err("can't set codec DAI configuration\n");
 		goto hifi_hw_params_exit;
 	}
 	errorCode = snd_soc_dai_set_fmt(cpu_dai,
 		SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM);
 	if (errorCode < 0) {
 		pr_err("can't set cpu DAI configuration\n");
 		goto hifi_hw_params_exit;
 	}
 	errorCode = snd_soc_dai_set_sysclk(cpu_dai,AMBARELLA_CLKSRC_ONCHIP,amb_mclk,0);
 	if (errorCode < 0) {
 		pr_err("can't set cpu MCLK configuration\n");
 		goto hifi_hw_params_exit;
 	}
 	errorCode = snd_soc_dai_set_clkdiv(cpu_dai,AMBARELLA_CLKDIV_LRCLK,oversample);
 	if (errorCode <0) {
 		pr_err("can't set cpu MCLK/SF ratio\n");
 		goto hifi_hw_params_exit;
 	}
 	errorCode = snd_soc_dai_set_sysclk(codec_dai, 1, mclk, 0);
 	if (errorCode < 0) {
 		pr_err("can't set cpu MCLK configuration\n");
 		goto hifi_hw_params_exit;
 	}

 hifi_hw_params_exit:
 	return errorCode;
 }

 static struct snd_soc_ops PJ203_hifi_ops = {
 	.startup = PJ203_board_startup,
 	.hw_params = PJ203_hifi_hw_params,
 };

 static struct snd_soc_dai_link PJ203_dai_link[] = {
 	{
 	.name = "dac31amb",
 	.stream_name = "TLV320 HiFi",
 	.cpu_dai_name = "ambarella-i2s.0",
 	.codec_dai_name = "tlv320dac31",
 	.platform_name = "ambarella-pcm-audio",
 	.codec_name = "tlv320dac31-codec.0-0018",
 	.init = PJ203_tlv320_init,
 	.ops = &PJ203_hifi_ops,
 	}
 };

 static struct snd_soc_card snd_soc_card_PJ203 = {
 	.name      = "PJ203",
 	.dai_link  = PJ203_dai_link,
 	.num_links = 1,
 };

 static struct platform_device *PJ203_snd_device;

 static int __init PJ203_board_init(void)
 {
 	int errCode = 0;
 	PJ203_snd_device = platform_device_alloc("soc-audio",-1);
 	if (!PJ203_snd_device) {
 		pr_err("failed in device alloc \n");
 		return -ENOMEM;
 	}

 	platform_set_drvdata(PJ203_snd_device,&snd_soc_card_PJ203);

 	errCode = platform_device_add(PJ203_snd_device);
 	if (errCode)
 		goto PJ203_board_init_exit;
 	PRINTK("success in PJ203_board_init\n");
 	return 0;

 PJ203_board_init_exit:
 	platform_device_put(PJ203_snd_device);
 	return errCode;
 }

 static void __exit PJ203_board_exit(void)
 {
 #if GPIO_JACK
 	snd_soc_jack_free_gpios(&hs_jack,ARRAY_SIZE(hs_jack_gpios),hs_jack_gpios);
 #endif
 	platform_device_unregister(PJ203_snd_device);
 }

 module_init(PJ203_board_init);
 module_exit(PJ203_board_exit);

 MODULE_AUTHOR("Diao Chengdong <cddiao@ambarella.com>");
 MODULE_DESCRIPTION("Ambarella PJ203 Board with tlv320DAC3100 Codec for ALSA");
 MODULE_LICENSE("GPL");
	/*
	* sound/soc/PJ203.c
	*
	* Author: Diao Chengdong <cddiao@ambarella.com>
	*
	* History:
	* 2012/05/17 - [Diao Chengdong] Created file
	*
	* Copyright (C) 2004-2009, Ambarella, Inc.
	*
	* This program is free software; you can redistribute it and/or modify
	* it under the terms of the GNU General Public License as published by
	* the Free Software Foundation; either version 2 of the License, or
	* (at your option) any later version.
	*
	* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	*
	*/

	#include <linux/module.h>
	#include <linux/moduleparam.h>
	#include <linux/io.h>
	#include <linux/platform_device.h>
	#include <sound/soc.h>
	#include <sound/jack.h>
	#include <asm/mach-types.h>
	#include <mach/gpio.h>
	#include <plat/audio.h>

	#include "ambarella_i2s.h"
	#include "../codecs/tlv320dac31.h"

	#define debug_pj203 (0)
	#if debug_pj203
	#define PRINTK(arg...) printk(arg)
	#else
	#define PRINTK(arg...)
	#endif

	/* havn't test the headphone ,so set gpio_jack = 0*/
	#define GPIO_JACK 0

	#if GPIO_JACK
	module_param(gpio_jack,uint,S_IRUGO);
	MODULE_PARM_DESC(gpio_jack,"Whether or not use a head phone.");
	/* Headset jack */
	static struct snd_soc_jack hs_jack;
	/* Headset jack detection DAPM pins */
	static struct snd_soc_jack_pin hs_jack_pins[]={
	{
	.pin = "Headset Mic",
	.mask = SND_JACK_MICROPHONE,
	},
	{
	.pin = "Headset Stereophone",
	.mask = SND_JACK_HEADPHONE,
	},
	};
	/* Headset jack detection gpios */
	static struct snd_soc_jack_gpio hs_jack_gpios[]={
	{
	.gpio = GPIO(82),
	.name = "hsdet-gpio",
	.report = SND_JACK_HEADSET,
	.debounce_time = 200,
	},
	};
	#endif

	static const struct snd_soc_dapm_widget PJ203_dapm_widgets[] = {
	/Output/
	SND_SOC_DAPM_SPK("Main Spk", NULL),
	#if GPIO_JACK
	SND_SOC_DAPM_HP("Headphone Jack",NULL),
	#endif
	};

	static const struct snd_soc_dapm_route PJ203_dapm_routes[] = {
	#if GPIO_JACK
	{"Headphone Jack",NULL,"HPL"},
	{"Headphone Jack",NULL,"HPR"},
	#endif
	{"Main Spk",NULL,"LOL"},
	{"Main Spk",NULL,"LOL"},
	};

	static int PJ203_tlv320_init(struct snd_soc_pcm_runtime *rtd)
	{
	struct snd_soc_codec *codec = rtd->codec;
	struct snd_soc_dapm_context *dapm = &codec->dapm;
	PRINTK("in tlv320_init\n");
	snd_soc_dapm_new_controls(dapm,PJ203_dapm_widgets,
	ARRAY_SIZE(PJ203_dapm_widgets));

	snd_soc_dapm_add_routes(dapm,PJ203_dapm_routes,
	ARRAY_SIZE(PJ203_dapm_routes));

	snd_soc_dapm_sync(dapm);

	ambarella_i2s_add_controls(codec);

	#if GPIO_JACK
	{
	int errcode=0;
	errcode = snd_soc_jack_new(codec,"Headset Jack",SND_JACK_HEADSET,&hs_jack);
	if (errcode)
	return errcode;
	errcode = snd_soc_jack_add_pins(&hs_jack,ARRAY_SIZE(hs_jack_pins),hs_jack_pins);
	if (errcode)
	return errcode;
	errcode = snd_soc_jack_add_gpios(&hs_jack,ARRAY_SIZE(hs_jack_gpios),hs_jack_gpios);
	if (errcode)
	return errcode;
	}
	#endif

	return 0;
	}


	static int PJ203_board_startup(struct snd_pcm_substream *substream)
	{
	PRINTK("in PJ203_board-statup\n");
	return 0;
	}

	static int PJ203_hifi_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 errorCode = 0, amb_mclk,mclk,oversample;

	PRINTK("in PJ203_hifi_hw_params\n");
	switch (params_rate(params)) {
	case 8000:
	amb_mclk = AudioCodec_4_096M;
	mclk = 4096000;
	oversample = AudioCodec_512xfs;
	break;
	case 11025:
	amb_mclk = AudioCodec_5_6448M;
	mclk = 5644800;
	oversample = AudioCodec_512xfs;
	break;
	case 16000:
	amb_mclk = AudioCodec_4_096M;
	mclk = 4096000;
	oversample = AudioCodec_256xfs;
	break;
	case 22050:
	amb_mclk = AudioCodec_5_6448M;
	mclk = 5644800;
	oversample = AudioCodec_256xfs;
	break;
	case 24000:
	amb_mclk = AudioCodec_6_144;
	mclk = 6144000;
	oversample = AudioCodec_256xfs;
	break;
	case 32000:
	amb_mclk = AudioCodec_8_192M;
	mclk = 8192000;
	oversample = AudioCodec_256xfs;
	break;
	case 44100:
	amb_mclk = AudioCodec_11_2896M;
	mclk = 11289600;
	oversample = AudioCodec_256xfs;
	break;
	case 48000:
	amb_mclk = AudioCodec_12_288M;
	mclk = 12288000;
	oversample = AudioCodec_256xfs;
	break;
	default:
	errorCode = -EINVAL;
	goto hifi_hw_params_exit;
	}

	errorCode = snd_soc_dai_set_fmt(codec_dai,
	SND_SOC_DAIFMT_I2S \| SND_SOC_DAIFMT_NB_NF \| SND_SOC_DAIFMT_CBM_CFM);
	if (errorCode < 0) {
	pr_err("can't set codec DAI configuration\n");
	goto hifi_hw_params_exit;
	}
	errorCode = snd_soc_dai_set_fmt(cpu_dai,
	SND_SOC_DAIFMT_I2S \| SND_SOC_DAIFMT_NB_NF \| SND_SOC_DAIFMT_CBM_CFM);
	if (errorCode < 0) {
	pr_err("can't set cpu DAI configuration\n");
	goto hifi_hw_params_exit;
	}
	errorCode = snd_soc_dai_set_sysclk(cpu_dai,AMBARELLA_CLKSRC_ONCHIP,amb_mclk,0);
	if (errorCode < 0) {
	pr_err("can't set cpu MCLK configuration\n");
	goto hifi_hw_params_exit;
	}
	errorCode = snd_soc_dai_set_clkdiv(cpu_dai,AMBARELLA_CLKDIV_LRCLK,oversample);
	if (errorCode <0) {
	pr_err("can't set cpu MCLK/SF ratio\n");
	goto hifi_hw_params_exit;
	}
	errorCode = snd_soc_dai_set_sysclk(codec_dai, 1, mclk, 0);
	if (errorCode < 0) {
	pr_err("can't set cpu MCLK configuration\n");
	goto hifi_hw_params_exit;
	}

	hifi_hw_params_exit:
	return errorCode;
	}

	static struct snd_soc_ops PJ203_hifi_ops = {
	.startup = PJ203_board_startup,
	.hw_params = PJ203_hifi_hw_params,
	};

	static struct snd_soc_dai_link PJ203_dai_link[] = {
	{
	.name = "dac31amb",
	.stream_name = "TLV320 HiFi",
	.cpu_dai_name = "ambarella-i2s.0",
	.codec_dai_name = "tlv320dac31",
	.platform_name = "ambarella-pcm-audio",
	.codec_name = "tlv320dac31-codec.0-0018",
	.init = PJ203_tlv320_init,
	.ops = &PJ203_hifi_ops,
	}
	};

	static struct snd_soc_card snd_soc_card_PJ203 = {
	.name = "PJ203",
	.dai_link = PJ203_dai_link,
	.num_links = 1,
	};

	static struct platform_device *PJ203_snd_device;

	static int __init PJ203_board_init(void)
	{
	int errCode = 0;
	PJ203_snd_device = platform_device_alloc("soc-audio",-1);
	if (!PJ203_snd_device) {
	pr_err("failed in device alloc \n");
	return -ENOMEM;
	}

	platform_set_drvdata(PJ203_snd_device,&snd_soc_card_PJ203);

	errCode = platform_device_add(PJ203_snd_device);
	if (errCode)
	goto PJ203_board_init_exit;
	PRINTK("success in PJ203_board_init\n");
	return 0;

	PJ203_board_init_exit:
	platform_device_put(PJ203_snd_device);
	return errCode;
	}

	static void __exit PJ203_board_exit(void)
	{
	#if GPIO_JACK
	snd_soc_jack_free_gpios(&hs_jack,ARRAY_SIZE(hs_jack_gpios),hs_jack_gpios);
	#endif
	platform_device_unregister(PJ203_snd_device);
	}

	module_init(PJ203_board_init);
	module_exit(PJ203_board_exit);

	MODULE_AUTHOR("Diao Chengdong <cddiao@ambarella.com>");
	MODULE_DESCRIPTION("Ambarella PJ203 Board with tlv320DAC3100 Codec for ALSA");
	MODULE_LICENSE("GPL");