CHROMIUM: ASoC: Import entire upstream ASoC tree

sound/soc/tegra/tegra_soc.c

Index: sound/soc/tegra/tegra_soc.c
diff --git a/sound/soc/tegra/tegra_soc.c b/sound/soc/tegra/tegra_soc.c
deleted file mode 100755
index f46c2a82558d0bc9d15d2a061b10eca722a73df0..0000000000000000000000000000000000000000
--- a/sound/soc/tegra/tegra_soc.c
+++ /dev/null
@@ -1,377 +0,0 @@
-/*
- * tegra_soc.c  --  SoC audio for tegra
- *
- * (c) 2009, 2010 Nvidia Graphics Pvt. Ltd.
- *  http://www.nvidia.com
- *
- * Copyright 2007 Wolfson Microelectronics PLC.
- * Author: Graeme Gregory
- *         graeme.gregory@wolfsonmicro.com or linux@wolfsonmicro.com
- *
- *  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 "tegra_soc.h"
-#include "../codecs/wm8903.h"
-#include <mach/audio.h>
-
-static struct platform_device *tegra_snd_device;
-static int tegra_jack_func;
-static int tegra_spk_func;
-
-#define TEGRA_HP	0
-#define TEGRA_MIC	1
-#define TEGRA_LINE	2
-#define TEGRA_HEADSET	3
-#define TEGRA_HP_OFF	4
-#define TEGRA_SPK_ON	0
-#define TEGRA_SPK_OFF	1
-
-/* codec register values */
-#define B07_INEMUTE			7
-#define B06_VOL_M3DB		6
-#define B00_IN_VOL			0
-#define B00_INR_ENA			0
-#define B01_INL_ENA			1
-#define R06_MICBIAS_CTRL_0	6
-#define B07_MICDET_HYST_ENA	7
-#define B04_MICDET_THR		4
-#define B02_MICSHORT_THR	2
-#define B01_MICDET_ENA		1
-#define B00_MICBIAS_ENA		0
-#define B15_DRC_ENA			15
-#define B03_DACL_ENA		3
-#define B02_DACR_ENA		2
-#define B01_ADCL_ENA		1
-#define B00_ADCR_ENA		0
-#define B06_IN_CM_ENA		6
-#define B04_IP_SEL_N		4
-#define B02_IP_SEL_P		2
-#define B00_MODE			0
-#define B06_AIF_ADCL		7
-#define B06_AIF_ADCR		6
-#define B05_ADC_HPF_CUT		5
-#define B04_ADC_HPF_ENA		4
-#define B01_ADCL_DATINV		1
-#define B00_ADCR_DATINV		0
-#define R20_SIDETONE_CTRL	32
-#define R29_DRC_1			41
-#define SET_REG_VAL(r, m, l, v)		(((r)&(~((m)<<(l))))|(((v)&(m))<<(l)))
-
-
-static void tegra_ext_control(struct snd_soc_codec *codec)
-{
-	/* set up jack connection */
-	switch (tegra_jack_func) {
-	case TEGRA_HP:
-		/* set = unmute headphone */
-		snd_soc_dapm_enable_pin(codec, "Mic Jack");
-		snd_soc_dapm_disable_pin(codec, "Line Jack");
-		snd_soc_dapm_enable_pin(codec, "Headphone Jack");
-		snd_soc_dapm_disable_pin(codec, "Headset Jack");
-		break;
-	case TEGRA_MIC:
-		/* reset = mute headphone */
-		snd_soc_dapm_enable_pin(codec, "Mic Jack");
-		snd_soc_dapm_disable_pin(codec, "Line Jack");
-		snd_soc_dapm_disable_pin(codec, "Headphone Jack");
-		snd_soc_dapm_disable_pin(codec, "Headset Jack");
-		break;
-	case TEGRA_LINE:
-		snd_soc_dapm_disable_pin(codec, "Mic Jack");
-		snd_soc_dapm_enable_pin(codec, "Line Jack");
-		snd_soc_dapm_disable_pin(codec, "Headphone Jack");
-		snd_soc_dapm_disable_pin(codec, "Headset Jack");
-		break;
-	case TEGRA_HEADSET:
-		snd_soc_dapm_enable_pin(codec, "Mic Jack");
-		snd_soc_dapm_disable_pin(codec, "Line Jack");
-		snd_soc_dapm_disable_pin(codec, "Headphone Jack");
-		snd_soc_dapm_enable_pin(codec, "Headset Jack");
-		break;
-	}
-
-	if (tegra_spk_func == TEGRA_SPK_ON)
-		snd_soc_dapm_enable_pin(codec, "Ext Spk");
-	else
-		snd_soc_dapm_disable_pin(codec, "Ext Spk");
-
-	/* signal a DAPM event */
-	snd_soc_dapm_sync(codec);
-}
-
-static int tegra_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 err;
-	struct snd_soc_codec *codec = codec_dai->codec;
-	int ctrl_reg = 0;
-
-	err = snd_soc_dai_set_fmt(codec_dai,
-					SND_SOC_DAIFMT_I2S | \
-					SND_SOC_DAIFMT_NB_NF | \
-					SND_SOC_DAIFMT_CBS_CFS);
-	if (err < 0) {
-		printk(KERN_ERR "codec_dai fmt not set\n");
-		return err;
-	}
-
-	err = snd_soc_dai_set_fmt(cpu_dai,
-					SND_SOC_DAIFMT_I2S | \
-					SND_SOC_DAIFMT_NB_NF | \
-					SND_SOC_DAIFMT_CBS_CFS);
-	if (err < 0) {
-		printk(KERN_ERR "cpu_dai fmt not set\n");
-		return err;
-	}
-	err = snd_soc_dai_set_sysclk(codec_dai, 0, I2S_CLK, SND_SOC_CLOCK_IN);
-
-	if (err < 0) {
-		printk(KERN_ERR "codec_dai clock not set\n");
-		return err;
-	}
-	err = snd_soc_dai_set_sysclk(cpu_dai, 0, I2S_CLK, SND_SOC_CLOCK_IN);
-
-	if (err < 0) {
-		printk(KERN_ERR "cpu_dai clock not set\n");
-		return err;
-	}
-
-	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
-		return 0;
-
-	snd_soc_write(codec, WM8903_ANALOGUE_LEFT_INPUT_0, 0x7);
-	snd_soc_write(codec, WM8903_ANALOGUE_RIGHT_INPUT_0, 0x7);
-
-	/* Mic Bias enable */
-	ctrl_reg = (0x1 << B00_MICBIAS_ENA) | (0x1 << B01_MICDET_ENA);
-	snd_soc_write(codec, WM8903_MIC_BIAS_CONTROL_0, ctrl_reg);
-
-	/* Enable DRC */
-	ctrl_reg = snd_soc_read(codec, WM8903_DRC_0);
-	ctrl_reg |= (1 << B15_DRC_ENA);
-	snd_soc_write(codec, WM8903_DRC_0, ctrl_reg);
-
-	/* Single Ended Mic */
-	ctrl_reg = (0x0 << B06_IN_CM_ENA) | (0x0 << B00_MODE) |
-			(0x0 << B04_IP_SEL_N) | (0x1 << B02_IP_SEL_P);
-	/* Mic Setting */
-	snd_soc_write(codec, WM8903_ANALOGUE_LEFT_INPUT_1, ctrl_reg);
-	snd_soc_write(codec, WM8903_ANALOGUE_RIGHT_INPUT_1, ctrl_reg);
-
-	/* voulme for single ended mic */
-	ctrl_reg = (0x5 << B00_IN_VOL);
-	snd_soc_write(codec, WM8903_ANALOGUE_LEFT_INPUT_0, ctrl_reg);
-	snd_soc_write(codec, WM8903_ANALOGUE_RIGHT_INPUT_0, ctrl_reg);
-
-	/* replicate mic setting on both channels */
-	ctrl_reg = snd_soc_read(codec, WM8903_AUDIO_INTERFACE_0);
-	ctrl_reg = SET_REG_VAL(ctrl_reg, 0x1, B06_AIF_ADCR, 0x1);
-	ctrl_reg = SET_REG_VAL(ctrl_reg, 0x1, B06_AIF_ADCL, 0x1);
-	snd_soc_write(codec, WM8903_AUDIO_INTERFACE_0, ctrl_reg);
-
-	/* Enable analog inputs */
-	ctrl_reg = (0x1 << B01_INL_ENA) | (0x1 << B00_INR_ENA);
-	snd_soc_write(codec, WM8903_POWER_MANAGEMENT_0, ctrl_reg);
-
-	/* ADC Settings */
-	ctrl_reg = snd_soc_read(codec, WM8903_ADC_DIGITAL_0);
-	ctrl_reg |= (0x1<<B04_ADC_HPF_ENA);
-	snd_soc_write(codec, WM8903_ADC_DIGITAL_0, ctrl_reg);
-
-	ctrl_reg = 0;
-	snd_soc_write(codec, R20_SIDETONE_CTRL, ctrl_reg);
-
-	/* Enable ADC */
-	ctrl_reg = snd_soc_read(codec, WM8903_POWER_MANAGEMENT_6);
-	ctrl_reg |= (0x1<<B00_ADCR_ENA)|(0x1<<B01_ADCL_ENA);
-	snd_soc_write(codec, WM8903_POWER_MANAGEMENT_6, ctrl_reg);
-
-	/* Enable Sidetone */
-	ctrl_reg = (0x1 << 2) | (0x2 << 0);
-	/* sidetone 0 db */
-	ctrl_reg |= (12 << 8) | (12 << 4);
-	snd_soc_write(codec, R20_SIDETONE_CTRL, ctrl_reg);
-
-	ctrl_reg = snd_soc_read(codec, R29_DRC_1);
-	ctrl_reg |= 0x3; /* mic volume 18 db */
-	snd_soc_write(codec, R29_DRC_1, ctrl_reg);
-
-	return 0;
-}
-
-static struct snd_soc_ops tegra_hifi_ops = {
-	.hw_params = tegra_hifi_hw_params,
-};
-
-
-static int tegra_get_jack(struct snd_kcontrol *kcontrol,
-				struct snd_ctl_elem_value *ucontrol)
-{
-	ucontrol->value.integer.value[0] = tegra_jack_func;
-	return 0;
-}
-
-static int tegra_set_jack(struct snd_kcontrol *kcontrol,
-				struct snd_ctl_elem_value *ucontrol)
-{
-	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
-
-	if (tegra_jack_func == ucontrol->value.integer.value[0])
-		return 0;
-
-	tegra_jack_func = ucontrol->value.integer.value[0];
-	tegra_ext_control(codec);
-	return 1;
-}
-
-static int tegra_get_spk(struct snd_kcontrol *kcontrol,
-				struct snd_ctl_elem_value *ucontrol)
-{
-	ucontrol->value.integer.value[0] = tegra_spk_func;
-	return 0;
-}
-
-static int tegra_set_spk(struct snd_kcontrol *kcontrol,
-				struct snd_ctl_elem_value *ucontrol)
-{
-	struct snd_soc_codec *codec =  snd_kcontrol_chip(kcontrol);
-
-
-	if (tegra_spk_func == ucontrol->value.integer.value[0])
-		return 0;
-
-	tegra_spk_func = ucontrol->value.integer.value[0];
-	tegra_ext_control(codec);
-	return 1;
-}
-
-/*tegra machine dapm widgets */
-static const struct snd_soc_dapm_widget wm8903_dapm_widgets[] = {
-	SND_SOC_DAPM_HP("Headphone Jack", NULL),
-	SND_SOC_DAPM_MIC("Mic Jack", NULL),
-	SND_SOC_DAPM_SPK("Ext Spk", NULL),
-	SND_SOC_DAPM_LINE("Line Jack", NULL),
-	SND_SOC_DAPM_HP("Headset Jack", NULL),
-};
-
-/* Tegra machine audio map (connections to the codec pins) */
-static const struct snd_soc_dapm_route audio_map[] = {
-
-	/* headset Jack  - in = micin, out = LHPOUT*/
-	{"Headset Jack", NULL, "HPOUTL"},
-
-	/* headphone connected to LHPOUT1, RHPOUT1 */
-	{"Headphone Jack", NULL, "HPOUTR"}, {"Headphone Jack", NULL, "HPOUTL"},
-
-	/* speaker connected to LOUT, ROUT */
-	{"Ext Spk", NULL, "LINEOUTR"}, {"Ext Spk", NULL, "LINEOUTL"},
-
-	/* mic is connected to MICIN (via right channel of headphone jack) */
-	{"IN1R", NULL, "Mic Jack"},
-
-	/* Same as the above but no mic bias for line signals */
-	{"IN2L", NULL, "Line Jack"},
-};
-
-static const char *jack_function[] = {"Headphone", "Mic", "Line", "Headset",
-					"Off"
-					};
-static const char *spk_function[] = {"On", "Off"};
-static const struct soc_enum tegra_enum[] = {
-	SOC_ENUM_SINGLE_EXT(5, jack_function),
-	SOC_ENUM_SINGLE_EXT(2, spk_function),
-};
-
-static const struct snd_kcontrol_new wm8903_tegra_controls[] = {
-	SOC_ENUM_EXT("Jack Function", tegra_enum[0], tegra_get_jack,
-			tegra_set_jack),
-	SOC_ENUM_EXT("Speaker Function", tegra_enum[1], tegra_get_spk,
-			tegra_set_spk),
-};
-
-
-static int tegra_codec_init(struct snd_soc_pcm_runtime *rtd)
-{
-	struct snd_soc_codec *codec = rtd->codec;
-	int err;
-
-	/* Add tegra specific controls */
-	err = snd_soc_add_controls(codec, wm8903_tegra_controls,
-					ARRAY_SIZE(wm8903_tegra_controls));
-	if (err < 0)
-		return err;
-
-	/* Add tegra specific widgets */
-	snd_soc_dapm_new_controls(codec, wm8903_dapm_widgets,
-					ARRAY_SIZE(wm8903_dapm_widgets));
-
-	/* Set up tegra specific audio path audio_map */
-	snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
-
-	/* Default to HP output */
-	tegra_jack_func = TEGRA_HP;
-	tegra_spk_func = TEGRA_SPK_ON;
-	tegra_ext_control(codec);
-
-	snd_soc_dapm_sync(codec);
-
-	return 0;
-}
-
-static struct snd_soc_dai_link tegra_soc_dai = {
-	.name = "WM8903",
-	.stream_name = "WM8903 HiFi",
-	.cpu_dai_name = "tegra-i2s-dai.0",
-	.platform_name = "tegra-pcm-audio",
-	.codec_name = "wm8903-codec.0-001a",
-	.codec_dai_name = "wm8903-hifi",
-	.init = tegra_codec_init,
-	.ops = &tegra_hifi_ops,
-};
-
-static struct snd_soc_card tegra_snd_soc = {
-	.name = "tegra",
-	.dai_link = &tegra_soc_dai,
-	.num_links = 1,
-};
-
-static int __init tegra_init(void)
-{
-	int ret;
-
-	tegra_snd_device = platform_device_alloc("soc-audio", -1);
-	if (!tegra_snd_device)
-		return -ENOMEM;
-
-	platform_set_drvdata(tegra_snd_device, &tegra_snd_soc);
-
-	ret = platform_device_add(tegra_snd_device);
-	if (ret) {
-		printk(KERN_ERR "audio device could not be added\n");
-		platform_device_put(tegra_snd_device);
-		return ret;
-	}
-
-	return ret;
-}
-
-static void __exit tegra_exit(void)
-{
-	platform_device_unregister(tegra_snd_device);
-	tegra_snd_device = NULL;
-}
-
-module_init(tegra_init);
-module_exit(tegra_exit);
-
-/* Module information */
-MODULE_DESCRIPTION("Tegra ALSA SoC");
-MODULE_LICENSE("GPL");