ASoC: add mmp brownstone support (5ebf20ae) · Commits · 戴 / test

sound/soc/pxa/Kconfig

+10 −0

Original line number	Diff line number	Diff line
		@@ -206,3 +206,13 @@ config SND_PXA2XX_SOC_IMOTE2
		help
		Say Y if you want to add support for SoC audio on the
		IMote 2.

		config SND_MMP_SOC_BROWNSTONE
		tristate "SoC Audio support for Marvell Brownstone"
		depends on SND_MMP_SOC && MACH_BROWNSTONE
		select SND_MMP_SOC_SSPA
		select MFD_WM8994
		select SND_SOC_WM8994
		help
		Say Y if you want to add support for SoC audio on the
		Marvell Brownstone reference platform.

sound/soc/pxa/Makefile

+2 −0

Original line number	Diff line number	Diff line
		@@ -32,6 +32,7 @@ snd-soc-mioa701-objs := mioa701_wm9713.o
		snd-soc-z2-objs := z2.o
		snd-soc-imote2-objs := imote2.o
		snd-soc-raumfeld-objs := raumfeld.o
		snd-soc-brownstone-objs := brownstone.o

		obj-$(CONFIG_SND_PXA2XX_SOC_CORGI) += snd-soc-corgi.o
		obj-$(CONFIG_SND_PXA2XX_SOC_POODLE) += snd-soc-poodle.o
		@@ -51,3 +52,4 @@ obj-$(CONFIG_SND_SOC_TAVOREVB3) += snd-soc-tavorevb3.o
		obj-$(CONFIG_SND_SOC_ZYLONITE) += snd-soc-zylonite.o
		obj-$(CONFIG_SND_PXA2XX_SOC_IMOTE2) += snd-soc-imote2.o
		obj-$(CONFIG_SND_SOC_RAUMFELD) += snd-soc-raumfeld.o
		obj-$(CONFIG_SND_MMP_SOC_BROWNSTONE) += snd-soc-brownstone.o

sound/soc/pxa/brownstone.c

0 → 100644

+174 −0

Original line number	Diff line number	Diff line
		/*
		* linux/sound/soc/pxa/brownstone.c
		*
		* Copyright (C) 2011 Marvell International Ltd.
		*
		* 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.
		*
		*/

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

		#include "../codecs/wm8994.h"
		#include "mmp-sspa.h"

		static const struct snd_kcontrol_new brownstone_dapm_control[] = {
		SOC_DAPM_PIN_SWITCH("Ext Spk"),
		};

		static const struct snd_soc_dapm_widget brownstone_dapm_widgets[] = {
		SND_SOC_DAPM_SPK("Ext Spk", NULL),
		SND_SOC_DAPM_HP("Headset Stereophone", NULL),
		SND_SOC_DAPM_MIC("Headset Mic", NULL),
		SND_SOC_DAPM_MIC("Main Mic", NULL),
		};

		static const struct snd_soc_dapm_route brownstone_audio_map[] = {
		{"Ext Spk", NULL, "SPKOUTLP"},
		{"Ext Spk", NULL, "SPKOUTLN"},
		{"Ext Spk", NULL, "SPKOUTRP"},
		{"Ext Spk", NULL, "SPKOUTRN"},

		{"Headset Stereophone", NULL, "HPOUT1L"},
		{"Headset Stereophone", NULL, "HPOUT1R"},

		{"IN1RN", NULL, "Headset Mic"},

		{"DMIC1DAT", NULL, "MICBIAS1"},
		{"MICBIAS1", NULL, "Main Mic"},
		};

		static int brownstone_wm8994_init(struct snd_soc_pcm_runtime *rtd)
		{
		struct snd_soc_codec *codec = rtd->codec;
		struct snd_soc_dapm_context *dapm = &codec->dapm;

		snd_soc_dapm_enable_pin(dapm, "Ext Spk");
		snd_soc_dapm_enable_pin(dapm, "Headset Stereophone");
		snd_soc_dapm_enable_pin(dapm, "Headset Mic");
		snd_soc_dapm_enable_pin(dapm, "Main Mic");

		/* set endpoints to not connected */
		snd_soc_dapm_nc_pin(dapm, "HPOUT2P");
		snd_soc_dapm_nc_pin(dapm, "HPOUT2N");
		snd_soc_dapm_nc_pin(dapm, "LINEOUT1N");
		snd_soc_dapm_nc_pin(dapm, "LINEOUT1P");
		snd_soc_dapm_nc_pin(dapm, "LINEOUT2N");
		snd_soc_dapm_nc_pin(dapm, "LINEOUT2P");
		snd_soc_dapm_nc_pin(dapm, "IN1LN");
		snd_soc_dapm_nc_pin(dapm, "IN1LP");
		snd_soc_dapm_nc_pin(dapm, "IN1RP");
		snd_soc_dapm_nc_pin(dapm, "IN2LP:VXRN");
		snd_soc_dapm_nc_pin(dapm, "IN2RN");
		snd_soc_dapm_nc_pin(dapm, "IN2RP:VXRP");
		snd_soc_dapm_nc_pin(dapm, "IN2LN");

		snd_soc_dapm_sync(dapm);

		return 0;
		}

		static int brownstone_wm8994_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 freq_out, sspa_mclk, sysclk;
		int sspa_div;

		if (params_rate(params) > 11025) {
		freq_out = params_rate(params) * 512;
		sysclk = params_rate(params) * 256;
		sspa_mclk = params_rate(params) * 64;
		} else {
		freq_out = params_rate(params) * 1024;
		sysclk = params_rate(params) * 512;
		sspa_mclk = params_rate(params) * 64;
		}
		sspa_div = freq_out;
		do_div(sspa_div, sspa_mclk);

		snd_soc_dai_set_sysclk(cpu_dai, MMP_SSPA_CLK_AUDIO, freq_out, 0);
		snd_soc_dai_set_pll(cpu_dai, MMP_SYSCLK, 0, freq_out, sysclk);
		snd_soc_dai_set_pll(cpu_dai, MMP_SSPA_CLK, 0, freq_out, sspa_mclk);

		/* set wm8994 sysclk */
		snd_soc_dai_set_sysclk(codec_dai, WM8994_SYSCLK_MCLK1, sysclk, 0);

		return 0;
		}

		/* machine stream operations */
		static struct snd_soc_ops brownstone_ops = {
		.hw_params = brownstone_wm8994_hw_params,
		};

		static struct snd_soc_dai_link brownstone_wm8994_dai[] = {
		{
		.name = "WM8994",
		.stream_name = "WM8994 HiFi",
		.cpu_dai_name = "mmp-sspa-dai.0",
		.codec_dai_name = "wm8994-aif1",
		.platform_name = "mmp-pcm-audio",
		.codec_name = "wm8994-codec",
		.dai_fmt = SND_SOC_DAIFMT_I2S \| SND_SOC_DAIFMT_NB_NF \|
		SND_SOC_DAIFMT_CBS_CFS,
		.ops = &brownstone_ops,
		.init = brownstone_wm8994_init,
		},
		};

		/* audio machine driver */
		static struct snd_soc_card brownstone = {
		.name = "brownstone",
		.dai_link = brownstone_wm8994_dai,
		.num_links = ARRAY_SIZE(brownstone_wm8994_dai),

		.controls = brownstone_dapm_control,
		.num_controls = ARRAY_SIZE(brownstone_dapm_control),
		.dapm_widgets = brownstone_dapm_widgets,
		.num_dapm_widgets = ARRAY_SIZE(brownstone_dapm_widgets),
		.dapm_routes = brownstone_audio_map,
		.num_dapm_routes = ARRAY_SIZE(brownstone_audio_map),
		};

		static int __devinit brownstone_probe(struct platform_device *pdev)
		{
		int ret;

		brownstone.dev = &pdev->dev;
		ret = snd_soc_register_card(&brownstone);
		if (ret)
		dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
		ret);
		return ret;
		}

		static int __devexit brownstone_remove(struct platform_device *pdev)
		{
		snd_soc_unregister_card(&brownstone);
		return 0;
		}

		static struct platform_driver mmp_driver = {
		.driver = {
		.name = "brownstone-audio",
		.owner = THIS_MODULE,
		},
		.probe = brownstone_probe,
		.remove = __devexit_p(brownstone_remove),
		};

		module_platform_driver(mmp_driver);

		MODULE_AUTHOR("Leo Yan <leoy@marvell.com>");
		MODULE_DESCRIPTION("ALSA SoC Brownstone");
		MODULE_LICENSE("GPL");

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