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Release 4.7 sound/soc/omap/am3517evm.c

Directory: sound/soc/omap
/*
 * am3517evm.c  -- ALSA SoC support for OMAP3517 / AM3517 EVM
 *
 * Author: Anuj Aggarwal <anuj.aggarwal@ti.com>
 *
 * Based on sound/soc/omap/beagle.c by Steve Sakoman
 *
 * Copyright (C) 2009 Texas Instruments Incorporated
 *
 * 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 version 2.
 *
 * This program is distributed "as is" WITHOUT ANY WARRANTY of any kind,
 * whether express or implied; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License for more details.
 */

#include <linux/clk.h>
#include <linux/platform_device.h>
#include <linux/module.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>

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

#include "omap-mcbsp.h"

#include "../codecs/tlv320aic23.h"


#define CODEC_CLOCK 	12000000


static int am3517evm_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 ret; /* Set the codec system clock for DAC and ADC */ ret = snd_soc_dai_set_sysclk(codec_dai, 0, CODEC_CLOCK, SND_SOC_CLOCK_IN); if (ret < 0) printk(KERN_ERR "can't set codec system clock\n"); return ret; }

Contributors

PersonTokensPropCommitsCommitProp
anuj aggarwalanuj aggarwal66100.00%1100.00%
Total66100.00%1100.00%

static struct snd_soc_ops am3517evm_ops = { .hw_params = am3517evm_hw_params, }; /* am3517evm machine dapm widgets */ static const struct snd_soc_dapm_widget tlv320aic23_dapm_widgets[] = { SND_SOC_DAPM_HP("Line Out", NULL), SND_SOC_DAPM_LINE("Line In", NULL), SND_SOC_DAPM_MIC("Mic In", NULL), }; static const struct snd_soc_dapm_route audio_map[] = { /* Line Out connected to LLOUT, RLOUT */ {"Line Out", NULL, "LOUT"}, {"Line Out", NULL, "ROUT"}, {"LLINEIN", NULL, "Line In"}, {"RLINEIN", NULL, "Line In"}, {"MICIN", NULL, "Mic In"}, }; /* Digital audio interface glue - connects codec <--> CPU */ static struct snd_soc_dai_link am3517evm_dai = { .name = "TLV320AIC23", .stream_name = "AIC23", .cpu_dai_name = "omap-mcbsp.1", .codec_dai_name = "tlv320aic23-hifi", .platform_name = "omap-mcbsp.1", .codec_name = "tlv320aic23-codec.2-001a", .dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM, .ops = &am3517evm_ops, }; /* Audio machine driver */ static struct snd_soc_card snd_soc_am3517evm = { .name = "am3517evm", .owner = THIS_MODULE, .dai_link = &am3517evm_dai, .num_links = 1, .dapm_widgets = tlv320aic23_dapm_widgets, .num_dapm_widgets = ARRAY_SIZE(tlv320aic23_dapm_widgets), .dapm_routes = audio_map, .num_dapm_routes = ARRAY_SIZE(audio_map), }; static struct platform_device *am3517evm_snd_device;
static int __init am3517evm_soc_init(void) { int ret; if (!machine_is_omap3517evm()) return -ENODEV; pr_info("OMAP3517 / AM3517 EVM SoC init\n"); am3517evm_snd_device = platform_device_alloc("soc-audio", -1); if (!am3517evm_snd_device) { printk(KERN_ERR "Platform device allocation failed\n"); return -ENOMEM; } platform_set_drvdata(am3517evm_snd_device, &snd_soc_am3517evm); ret = platform_device_add(am3517evm_snd_device); if (ret) goto err1; return 0; err1: printk(KERN_ERR "Unable to add platform device\n"); platform_device_put(am3517evm_snd_device); return ret; }

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PersonTokensPropCommitsCommitProp
anuj aggarwalanuj aggarwal9498.95%150.00%
liam girdwoodliam girdwood11.05%150.00%
Total95100.00%2100.00%


static void __exit am3517evm_soc_exit(void) { platform_device_unregister(am3517evm_snd_device); }

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PersonTokensPropCommitsCommitProp
anuj aggarwalanuj aggarwal14100.00%1100.00%
Total14100.00%1100.00%

module_init(am3517evm_soc_init); module_exit(am3517evm_soc_exit); MODULE_AUTHOR("Anuj Aggarwal <anuj.aggarwal@ti.com>"); MODULE_DESCRIPTION("ALSA SoC OMAP3517 / AM3517 EVM"); MODULE_LICENSE("GPL v2");

Overall Contributors

PersonTokensPropCommitsCommitProp
anuj aggarwalanuj aggarwal38386.65%110.00%
peter ujfalusipeter ujfalusi286.33%330.00%
liam girdwoodliam girdwood122.71%110.00%
jarkko nikulajarkko nikula92.04%110.00%
axel linaxel lin51.13%110.00%
paul gortmakerpaul gortmaker30.68%110.00%
abhilash k vabhilash k v10.23%110.00%
arnd bergmannarnd bergmann10.23%110.00%
Total442100.00%10100.00%
Directory: sound/soc/omap
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