ASoC: Blackfin: Add bf5xx-adau1701 machine driver (53a93d58) · Commits · e / devices / android_kernel_xiaomi_markw

sound/soc/blackfin/Kconfig

+11 −0

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	@@ -17,6 +17,17 @@ config SND_BF5XX_SOC_SSM2602
	help		help
	Say Y if you want to add support for SoC audio on BF527-EZKIT.		Say Y if you want to add support for SoC audio on BF527-EZKIT.

			config SND_SOC_BFIN_EVAL_ADAU1701
			tristate "Support for the EVAL-ADAU1701MINIZ board on Blackfin eval boards"
			depends on SND_BF5XX_I2S
			select SND_BF5XX_SOC_I2S
			select SND_SOC_ADAU1701
			select I2C
			help
			Say Y if you want to add support for the Analog Devices EVAL-ADAU1701MINIZ
			board connected to one of the Blackfin evaluation boards like the
			BF5XX-STAMP or BF5XX-EZKIT.

	config SND_BF5XX_SOC_AD73311		config SND_BF5XX_SOC_AD73311
	tristate "SoC AD73311 Audio support for Blackfin"		tristate "SoC AD73311 Audio support for Blackfin"
	depends on SND_BF5XX_I2S		depends on SND_BF5XX_I2S

sound/soc/blackfin/Makefile

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	@@ -21,9 +21,11 @@ snd-ad1980-objs := bf5xx-ad1980.o
	snd-ssm2602-objs := bf5xx-ssm2602.o		snd-ssm2602-objs := bf5xx-ssm2602.o
	snd-ad73311-objs := bf5xx-ad73311.o		snd-ad73311-objs := bf5xx-ad73311.o
	snd-ad193x-objs := bf5xx-ad193x.o		snd-ad193x-objs := bf5xx-ad193x.o
			snd-soc-bfin-eval-adau1701-objs := bfin-eval-adau1701.o

	obj-$(CONFIG_SND_BF5XX_SOC_AD1836) += snd-ad1836.o		obj-$(CONFIG_SND_BF5XX_SOC_AD1836) += snd-ad1836.o
	obj-$(CONFIG_SND_BF5XX_SOC_AD1980) += snd-ad1980.o		obj-$(CONFIG_SND_BF5XX_SOC_AD1980) += snd-ad1980.o
	obj-$(CONFIG_SND_BF5XX_SOC_SSM2602) += snd-ssm2602.o		obj-$(CONFIG_SND_BF5XX_SOC_SSM2602) += snd-ssm2602.o
	obj-$(CONFIG_SND_BF5XX_SOC_AD73311) += snd-ad73311.o		obj-$(CONFIG_SND_BF5XX_SOC_AD73311) += snd-ad73311.o
	obj-$(CONFIG_SND_BF5XX_SOC_AD193X) += snd-ad193x.o		obj-$(CONFIG_SND_BF5XX_SOC_AD193X) += snd-ad193x.o
			obj-$(CONFIG_SND_SOC_BFIN_EVAL_ADAU1701) += snd-soc-bfin-eval-adau1701.o

sound/soc/blackfin/bfin-eval-adau1701.c

0 → 100644

+139 −0

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			/*
			* Machine driver for EVAL-ADAU1701MINIZ on Analog Devices bfin
			* evaluation boards.
			*
			* Copyright 2011 Analog Devices Inc.
			* Author: Lars-Peter Clausen <lars@metafoo.de>
			*
			* Licensed under the GPL-2 or later.
			*/

			#include <linux/module.h>
			#include <linux/device.h>
			#include <sound/core.h>
			#include <sound/pcm.h>
			#include <sound/soc.h>
			#include <sound/pcm_params.h>

			#include "../codecs/adau1701.h"

			static const struct snd_soc_dapm_widget bfin_eval_adau1701_dapm_widgets[] = {
			SND_SOC_DAPM_SPK("Speaker", NULL),
			SND_SOC_DAPM_LINE("Line Out", NULL),
			SND_SOC_DAPM_LINE("Line In", NULL),
			};

			static const struct snd_soc_dapm_route bfin_eval_adau1701_dapm_routes[] = {
			{ "Speaker", NULL, "OUT0" },
			{ "Speaker", NULL, "OUT1" },
			{ "Line Out", NULL, "OUT2" },
			{ "Line Out", NULL, "OUT3" },

			{ "IN0", NULL, "Line In" },
			{ "IN1", NULL, "Line In" },
			};

			static int bfin_eval_adau1701_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 *cpu_dai = rtd->cpu_dai;
			struct snd_soc_dai *codec_dai = rtd->codec_dai;
			int ret;

			ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S \|
			SND_SOC_DAIFMT_NB_NF \| SND_SOC_DAIFMT_CBM_CFM);
			if (ret)
			return ret;

			ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S \|
			SND_SOC_DAIFMT_NB_NF \| SND_SOC_DAIFMT_CBM_CFM);
			if (ret)
			return ret;

			ret = snd_soc_dai_set_sysclk(codec_dai, ADAU1701_CLK_SRC_OSC, 12288000,
			SND_SOC_CLOCK_IN);

			return ret;
			}

			static struct snd_soc_ops bfin_eval_adau1701_ops = {
			.hw_params = bfin_eval_adau1701_hw_params,
			};

			static struct snd_soc_dai_link bfin_eval_adau1701_dai[] = {
			{
			.name = "adau1701",
			.stream_name = "adau1701",
			.cpu_dai_name = "bfin-i2s.0",
			.codec_dai_name = "adau1701",
			.platform_name = "bfin-i2s-pcm-audio",
			.codec_name = "adau1701.0-0034",
			.ops = &bfin_eval_adau1701_ops,
			},
			{
			.name = "adau1701",
			.stream_name = "adau1701",
			.cpu_dai_name = "bfin-i2s.1",
			.codec_dai_name = "adau1701",
			.platform_name = "bfin-i2s-pcm-audio",
			.codec_name = "adau1701.0-0034",
			.ops = &bfin_eval_adau1701_ops,
			},
			};

			static struct snd_soc_card bfin_eval_adau1701 = {
			.name = "bfin-eval-adau1701",
			.dai_link = &bfin_eval_adau1701_dai[CONFIG_SND_BF5XX_SPORT_NUM],
			.num_links = 1,

			.dapm_widgets = bfin_eval_adau1701_dapm_widgets,
			.num_dapm_widgets = ARRAY_SIZE(bfin_eval_adau1701_dapm_widgets),
			.dapm_routes = bfin_eval_adau1701_dapm_routes,
			.num_dapm_routes = ARRAY_SIZE(bfin_eval_adau1701_dapm_routes),
			};

			static int bfin_eval_adau1701_probe(struct platform_device *pdev)
			{
			struct snd_soc_card *card = &bfin_eval_adau1701;

			card->dev = &pdev->dev;

			return snd_soc_register_card(&bfin_eval_adau1701);
			}

			static int __devexit bfin_eval_adau1701_remove(struct platform_device *pdev)
			{
			struct snd_soc_card *card = platform_get_drvdata(pdev);

			snd_soc_unregister_card(card);

			return 0;
			}

			static struct platform_driver bfin_eval_adau1701_driver = {
			.driver = {
			.name = "bfin-eval-adau1701",
			.owner = THIS_MODULE,
			.pm = &snd_soc_pm_ops,
			},
			.probe = bfin_eval_adau1701_probe,
			.remove = __devexit_p(bfin_eval_adau1701_remove),
			};

			static int __init bfin_eval_adau1701_init(void)
			{
			return platform_driver_register(&bfin_eval_adau1701_driver);
			}
			module_init(bfin_eval_adau1701_init);

			static void __exit bfin_eval_adau1701_exit(void)
			{
			platform_driver_unregister(&bfin_eval_adau1701_driver);
			}
			module_exit(bfin_eval_adau1701_exit);

			MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
			MODULE_DESCRIPTION("ALSA SoC bfin ADAU1701 driver");
			MODULE_LICENSE("GPL");
			MODULE_ALIAS("platform:bfin-eval-adau1701");