<commit_before>/*
 * DA7210 ALSA Soc codec driver
 *
 * Copyright (c) 2009 Dialog Semiconductor
 * Written by <NAME> <<EMAIL>>
 *
 * Copyright (C) 2009 Renesas Solutions Corp.
 * Cleanups by <NAME> <<EMAIL>>
 *
 * Tested on SuperH Ecovec24 board with S16/S24 LE in 48KHz using I2S
 *
 * 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 <linux/moduleparam.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/pm.h>
#include <linux/i2c.h>
#include <linux/platform_device.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>
#include <sound/tlv.h>
#include <sound/initval.h>
#include <asm/div64.h>

#include "da7210.h"

/* DA7210 register space */
#define DA7210_STATUS			0x02
#define DA7210_STARTUP1			0x03
#define DA7210_MIC_L			0x07
#define DA7210_MIC_R			0x08
#define DA7210_INMIX_L			0x0D
#define DA7210_INMIX_R			0x0E
#define DA7210_ADC_HPF			0x0F
#define DA7210_ADC			0x10
#define DA7210_DAC_HPF			0x14
#define DA7210_DAC_L			0x15
#define DA7210_DAC_R			0x16
#define DA7210_DAC_SEL			0x17
#define DA7210_OUTMIX_L			0x1C
#define DA7210_OUTMIX_R			0x1D
#define DA7210_HP_L_VOL			0x21
#define DA7210_HP_R_VOL			0x22
#define DA7210_HP_CFG			0x23
#define DA7210_DAI_SRC_SEL		0x25
#define DA7210_DAI_CFG1			0x26
#define DA7210_DAI_CFG3			0x28
#define DA7210_PLL_DIV1			0x29
#define DA7210_PLL_DIV2			0x2A
#define DA7210_PLL_DIV3			0x2B
#define DA7210_PLL			0x2C
#define DA7210_A_HID_UNLOCK		0x8A
#define DA7210_A_TEST_UNLOCK		0x8B
#define DA7210_A_PLL1			0x90
#define DA7210_A_CP_MODE		0xA7

/* STARTUP1 bit fields */
#define DA7210_SC_MST_EN		(1 << 0)

/* MIC_L bit fields */
#define DA7210_MICBIAS_EN		(1 << 6)
#define DA7210_MIC_L_EN			(1 << 7)

/* MIC_R bit fields */
#define DA7210_MIC_R_EN			(1 << 7)

/* INMIX_L bit fields */
#define DA7210_IN_L_EN			(1 << 7)

/* INMIX_R bit fields */
#define DA7210_IN_R_EN			(1 << 7)

/* ADC bit fields */
#define DA7210_ADC_L_EN			(1 << 3)
#define DA7210_ADC_R_EN			(1 << 7)

/* DAC/ADC HPF fields */
#define DA7210_VOICE_F0_MASK		(0x7 << 4)
#define DA7210_VOICE_F0_25		(1 << 4)
#define DA7210_VOICE_EN			(1 << 7)

/* DAC_SEL bit fields */
#define DA7210_DAC_L_SRC_DAI_L		(4 << 0)
#define DA7210_DAC_L_EN			(1 << 3)
#define DA7210_DAC_R_SRC_DAI_R		(5 << 4)
#define DA7210_DAC_R_EN			(1 << 7)

/* OUTMIX_L bit fields */
#define DA7210_OUT_L_EN			(1 << 7)

/* OUTMIX_R bit fields */
#define DA7210_OUT_R_EN			(1 << 7)

/* HP_CFG bit fields */
#define DA7210_HP_2CAP_MODE		(1 << 1)
#define DA7210_HP_SENSE_EN		(1 << 2)
#define DA7210_HP_L_EN			(1 << 3)
#define DA7210_HP_MODE			(1 << 6)
#define DA7210_HP_R_EN			(1 << 7)

/* DAI_SRC_SEL bit fields */
#define DA7210_DAI_OUT_L_SRC		(6 << 0)
#define DA7210_DAI_OUT_R_SRC		(7 << 4)

/* DAI_CFG1 bit fields */
#define DA7210_DAI_WORD_S16_LE		(0 << 0)
#define DA7210_DAI_WORD_S24_LE		(2 << 0)
#define DA7210_DAI_FLEN_64BIT		(1 << 2)
#define DA7210_DAI_MODE_MASTER		(1 << 7)

/* DAI_CFG3 bit fields */
#define DA7210_DAI_FORMAT_I2SMODE	(0 << 0)
#define DA7210_DAI_OE			(1 << 3)
#define DA7210_DAI_EN			(1 << 7)

/*PLL_DIV3 bit fields */
#define DA7210_MCLK_RANGE_10_20_MHZ	(1 << 4)
#define DA7210_PLL_BYP			(1 << 6)

/* PLL bit fields */
#define DA7210_PLL_FS_MASK		(0xF << 0)
#define DA7210_PLL_FS_8000		(0x1 << 0)
#define DA7210_PLL_FS_11025		(0x2 << 0)
#define DA7210_PLL_FS_12000		(0x3 << 0)
#define DA7210_PLL_FS_16000		(0x5 << 0)
#define DA7210_PLL_FS_22050		(0x6 << 0)
#define DA7210_PLL_FS_24000		(0x7 << 0)
#define DA7210_PLL_FS_32000		(0x9 << 0)
#define DA7210_PLL_FS_44100		(0xA << 0)
#define DA7210_PLL_FS_48000		(0xB << 0)
#define DA7210_PLL_FS_88200		(0xE << 0)
#define DA7210_PLL_FS_96000		(0xF << 0)
#define DA7210_PLL_EN			(0x1 << 7)

#define DA7210_VERSION "0.0.1"

/* Codec private data */
struct da7210_priv {
	struct snd_soc_codec codec;
};

static struct snd_soc_codec *da7210_codec;

/*
 * Register cache
 */
static const u8 da7210_reg[] = {
	0x00, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* R0  - R7  */
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08,	/* R8  - RF  */
	0x00, 0x00, 0x00, 0x00, 0x08, 0x10, 0x10, 0x54,	/* R10 - R17 */
	0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* R18 - R1F */
	0x00, 0x00, 0x00, 0x02, 0x00, 0x76, 0x00, 0x00,	/* R20 - R27 */
	0x04, 0x00, 0x00, 0x30, 0x2A, 0x00, 0x40, 0x00,	/* R28 - R2F */
	0x40, 0x00, 0x40, 0x00, 0x40, 0x00, 0x40, 0x00,	/* R30 - R37 */
	0x40, 0x00, 0x40, 0x00, 0x40, 0x00, 0x00, 0x00,	/* R38 - R3F */
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* R40 - R4F */
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* R48 - R4F */
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* R50 - R57 */
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* R58 - R5F */
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* R60 - R67 */
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* R68 - R6F */
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* R70 - R77 */
	0x00, 0x00, 0x00, 0x00, 0x00, 0x54, 0x54, 0x00,	/* R78 - R7F */
	0x00, 0x00, 0x2C, 0x00, 0x00, 0x00, 0x00, 0x00,	/* R80 - R87 */
	0x00,						/* R88       */
};

/*
 * Read da7210 register cache
 */
static inline u32 da7210_read_reg_cache(struct snd_soc_codec *codec, u32 reg)
{
	u8 *cache = codec->reg_cache;
	BUG_ON(reg > ARRAY_SIZE(da7210_reg));
	return cache[reg];
}

/*
 * Write to the da7210 register space
 */
static int da7210_write(struct snd_soc_codec *codec, u32 reg, u32 value)
{
	u8 *cache = codec->reg_cache;
	u8 data[2];

	BUG_ON(codec->volatile_register);

	data[0] = reg & 0xff;
	data[1] = value & 0xff;

	if (reg >= codec->reg_cache_size)
		return -EIO;

	if (2 != codec->hw_write(codec->control_data, data, 2))
		return -EIO;

	cache[reg] = value;
	return 0;
}

/*
 * Read from the da7210 register space.<commit_msg>ASoC: da7210: Fencepost error in reg cache read<commit_after>/*
 * DA7210 ALSA Soc codec driver
 *
 * Copyright (c) 2009 Dialog Semiconductor
 * Written by <NAME> <<EMAIL>>
 *
 * Copyright (C) 2009 Renesas Solutions Corp.
 * Cleanups by <NAME> <<EMAIL>>
 *
 * Tested on SuperH Ecovec24 board with S16/S24 LE in 48KHz using I2S
 *
 * 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 <linux/moduleparam.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/pm.h>
#include <linux/i2c.h>
#include <linux/platform_device.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>
#include <sound/tlv.h>
#include <sound/initval.h>
#include <asm/div64.h>

#include "da7210.h"

/* DA7210 register space */
#define DA7210_STATUS			0x02
#define DA7210_STARTUP1			0x03
#define DA7210_MIC_L			0x07
#define DA7210_MIC_R			0x08
#define DA7210_INMIX_L			0x0D
#define DA7210_INMIX_R			0x0E
#define DA7210_ADC_HPF			0x0F
#define DA7210_ADC			0x10
#define DA7210_DAC_HPF			0x14
#define DA7210_DAC_L			0x15
#define DA7210_DAC_R			0x16
#define DA7210_DAC_SEL			0x17
#define DA7210_OUTMIX_L			0x1C
#define DA7210_OUTMIX_R			0x1D
#define DA7210_HP_L_VOL			0x21
#define DA7210_HP_R_VOL			0x22
#define DA7210_HP_CFG			0x23
#define DA7210_DAI_SRC_SEL		0x25
#define DA7210_DAI_CFG1			0x26
#define DA7210_DAI_CFG3			0x28
#define DA7210_PLL_DIV1			0x29
#define DA7210_PLL_DIV2			0x2A
#define DA7210_PLL_DIV3			0x2B
#define DA7210_PLL			0x2C
#define DA7210_A_HID_UNLOCK		0x8A
#define DA7210_A_TEST_UNLOCK		0x8B
#define DA7210_A_PLL1			0x90
#define DA7210_A_CP_MODE		0xA7

/* STARTUP1 bit fields */
#define DA7210_SC_MST_EN		(1 << 0)

/* MIC_L bit fields */
#define DA7210_MICBIAS_EN		(1 << 6)
#define DA7210_MIC_L_EN			(1 << 7)

/* MIC_R bit fields */
#define DA7210_MIC_R_EN			(1 << 7)

/* INMIX_L bit fields */
#define DA7210_IN_L_EN			(1 << 7)

/* INMIX_R bit fields */
#define DA7210_IN_R_EN			(1 << 7)

/* ADC bit fields */
#define DA7210_ADC_L_EN			(1 << 3)
#define DA7210_ADC_R_EN			(1 << 7)

/* DAC/ADC HPF fields */
#define DA7210_VOICE_F0_MASK		(0x7 << 4)
#define DA7210_VOICE_F0_25		(1 << 4)
#define DA7210_VOICE_EN			(1 << 7)

/* DAC_SEL bit fields */
#define DA7210_DAC_L_SRC_DAI_L		(4 << 0)
#define DA7210_DAC_L_EN			(1 << 3)
#define DA7210_DAC_R_SRC_DAI_R		(5 << 4)
#define DA7210_DAC_R_EN			(1 << 7)

/* OUTMIX_L bit fields */
#define DA7210_OUT_L_EN			(1 << 7)

/* OUTMIX_R bit fields */
#define DA7210_OUT_R_EN			(1 << 7)

/* HP_CFG bit fields */
#define DA7210_HP_2CAP_MODE		(1 << 1)
#define DA7210_HP_SENSE_EN		(1 << 2)
#define DA7210_HP_L_EN			(1 << 3)
#define DA7210_HP_MODE			(1 << 6)
#define DA7210_HP_R_EN			(1 << 7)

/* DAI_SRC_SEL bit fields */
#define DA7210_DAI_OUT_L_SRC		(6 << 0)
#define DA7210_DAI_OUT_R_SRC		(7 << 4)

/* DAI_CFG1 bit fields */
#define DA7210_DAI_WORD_S16_LE		(0 << 0)
#define DA7210_DAI_WORD_S24_LE		(2 << 0)
#define DA7210_DAI_FLEN_64BIT		(1 << 2)
#define DA7210_DAI_MODE_MASTER		(1 << 7)

/* DAI_CFG3 bit fields */
#define DA7210_DAI_FORMAT_I2SMODE	(0 << 0)
#define DA7210_DAI_OE			(1 << 3)
#define DA7210_DAI_EN			(1 << 7)

/*PLL_DIV3 bit fields */
#define DA7210_MCLK_RANGE_10_20_MHZ	(1 << 4)
#define DA7210_PLL_BYP			(1 << 6)

/* PLL bit fields */
#define DA7210_PLL_FS_MASK		(0xF << 0)
#define DA7210_PLL_FS_8000		(0x1 << 0)
#define DA7210_PLL_FS_11025		(0x2 << 0)
#define DA7210_PLL_FS_12000		(0x3 << 0)
#define DA7210_PLL_FS_16000		(0x5 << 0)
#define DA7210_PLL_FS_22050		(0x6 << 0)
#define DA7210_PLL_FS_24000		(0x7 << 0)
#define DA7210_PLL_FS_32000		(0x9 << 0)
#define DA7210_PLL_FS_44100		(0xA << 0)
#define DA7210_PLL_FS_48000		(0xB << 0)
#define DA7210_PLL_FS_88200		(0xE << 0)
#define DA7210_PLL_FS_96000		(0xF << 0)
#define DA7210_PLL_EN			(0x1 << 7)

#define DA7210_VERSION "0.0.1"

/* Codec private data */
struct da7210_priv {
	struct snd_soc_codec codec;
};

static struct snd_soc_codec *da7210_codec;

/*
 * Register cache
 */
static const u8 da7210_reg[] = {
	0x00, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* R0  - R7  */
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08,	/* R8  - RF  */
	0x00, 0x00, 0x00, 0x00, 0x08, 0x10, 0x10, 0x54,	/* R10 - R17 */
	0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* R18 - R1F */
	0x00, 0x00, 0x00, 0x02, 0x00, 0x76, 0x00, 0x00,	/* R20 - R27 */
	0x04, 0x00, 0x00, 0x30, 0x2A, 0x00, 0x40, 0x00,	/* R28 - R2F */
	0x40, 0x00, 0x40, 0x00, 0x40, 0x00, 0x40, 0x00,	/* R30 - R37 */
	0x40, 0x00, 0x40, 0x00, 0x40, 0x00, 0x00, 0x00,	/* R38 - R3F */
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* R40 - R4F */
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* R48 - R4F */
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* R50 - R57 */
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* R58 - R5F */
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* R60 - R67 */
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* R68 - R6F */
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* R70 - R77 */
	0x00, 0x00, 0x00, 0x00, 0x00, 0x54, 0x54, 0x00,	/* R78 - R7F */
	0x00, 0x00, 0x2C, 0x00, 0x00, 0x00, 0x00, 0x00,	/* R80 - R87 */
	0x00,						/* R88       */
};

/*
 * Read da7210 register cache
 */
static inline u32 da7210_read_reg_cache(struct snd_soc_codec *codec, u32 reg)
{
	u8 *cache = codec->reg_cache;
	BUG_ON(reg >= ARRAY_SIZE(da7210_reg));
	return cache[reg];
}

/*
 * Write to the da7210 register space
 */
static int da7210_write(struct snd_soc_codec *codec, u32 reg, u32 value)
{
	u8 *cache = codec->reg_cache;
	u8 data[2];

	BUG_ON(codec->volatile_register);

	data[0] = reg & 0xff;
	data[1] = value & 0xff;

	if (reg >= codec->reg_cache_size)
		return -EIO;

	if (2 != codec->hw_write(codec->control_data, data, 2))
		return -EIO;

	cache[reg] = value;
	return 0;
}

/*
 * Read from the da7210 register space.
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