ASoC: AK4671: add ak4671 codec driver

The AK4671 is a stereo CODEC with a built-in Microphone-Amplifier,
Receiver-Amplifier and Headphone-Amplifier.

The datasheet for the ak4671 can find at the following url:
http://www.asahi-kasei.co.jp/akm/en/product/ak4671/ak4671_f01e.pdf

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 156 insertions, 0 deletions

diff --git a/sound/soc/codecs/ak4671.h b/sound/soc/codecs/ak4671.h
new file mode 100644
index 000000000000..e2fad964e88b
--- /dev/null
+++ b/sound/soc/codecs/ak4671.h
@@ -0,0 +1,156 @@
+/*
+ * ak4671.h  --  audio driver for AK4671
+ *
+ * Copyright (C) 2009 Samsung Electronics Co.Ltd
+ * Author: Joonyoung Shim <jy0922.shim@samsung.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.
+ *
+ */
+
+#ifndef _AK4671_H
+#define _AK4671_H
+
+#define AK4671_AD_DA_POWER_MANAGEMENT		0x00
+#define AK4671_PLL_MODE_SELECT0			0x01
+#define AK4671_PLL_MODE_SELECT1			0x02
+#define AK4671_FORMAT_SELECT			0x03
+#define AK4671_MIC_SIGNAL_SELECT		0x04
+#define AK4671_MIC_AMP_GAIN			0x05
+#define AK4671_MIXING_POWER_MANAGEMENT0		0x06
+#define AK4671_MIXING_POWER_MANAGEMENT1		0x07
+#define AK4671_OUTPUT_VOLUME_CONTROL		0x08
+#define AK4671_LOUT1_SIGNAL_SELECT		0x09
+#define AK4671_ROUT1_SIGNAL_SELECT		0x0a
+#define AK4671_LOUT2_SIGNAL_SELECT		0x0b
+#define AK4671_ROUT2_SIGNAL_SELECT		0x0c
+#define AK4671_LOUT3_SIGNAL_SELECT		0x0d
+#define AK4671_ROUT3_SIGNAL_SELECT		0x0e
+#define AK4671_LOUT1_POWER_MANAGERMENT		0x0f
+#define AK4671_LOUT2_POWER_MANAGERMENT		0x10
+#define AK4671_LOUT3_POWER_MANAGERMENT		0x11
+#define AK4671_LCH_INPUT_VOLUME_CONTROL		0x12
+#define AK4671_RCH_INPUT_VOLUME_CONTROL		0x13
+#define AK4671_ALC_REFERENCE_SELECT		0x14
+#define AK4671_DIGITAL_MIXING_CONTROL		0x15
+#define AK4671_ALC_TIMER_SELECT			0x16
+#define AK4671_ALC_MODE_CONTROL			0x17
+#define AK4671_MODE_CONTROL1			0x18
+#define AK4671_MODE_CONTROL2			0x19
+#define AK4671_LCH_OUTPUT_VOLUME_CONTROL	0x1a
+#define AK4671_RCH_OUTPUT_VOLUME_CONTROL	0x1b
+#define AK4671_SIDETONE_A_CONTROL		0x1c
+#define AK4671_DIGITAL_FILTER_SELECT		0x1d
+#define AK4671_FIL3_COEFFICIENT0		0x1e
+#define AK4671_FIL3_COEFFICIENT1		0x1f
+#define AK4671_FIL3_COEFFICIENT2		0x20
+#define AK4671_FIL3_COEFFICIENT3		0x21
+#define AK4671_EQ_COEFFICIENT0			0x22
+#define AK4671_EQ_COEFFICIENT1			0x23
+#define AK4671_EQ_COEFFICIENT2			0x24
+#define AK4671_EQ_COEFFICIENT3			0x25
+#define AK4671_EQ_COEFFICIENT4			0x26
+#define AK4671_EQ_COEFFICIENT5			0x27
+#define AK4671_FIL1_COEFFICIENT0		0x28
+#define AK4671_FIL1_COEFFICIENT1		0x29
+#define AK4671_FIL1_COEFFICIENT2		0x2a
+#define AK4671_FIL1_COEFFICIENT3		0x2b
+#define AK4671_FIL2_COEFFICIENT0		0x2c
+#define AK4671_FIL2_COEFFICIENT1		0x2d
+#define AK4671_FIL2_COEFFICIENT2		0x2e
+#define AK4671_FIL2_COEFFICIENT3		0x2f
+#define AK4671_DIGITAL_FILTER_SELECT2		0x30
+#define AK4671_E1_COEFFICIENT0			0x32
+#define AK4671_E1_COEFFICIENT1			0x33
+#define AK4671_E1_COEFFICIENT2			0x34
+#define AK4671_E1_COEFFICIENT3			0x35
+#define AK4671_E1_COEFFICIENT4			0x36
+#define AK4671_E1_COEFFICIENT5			0x37
+#define AK4671_E2_COEFFICIENT0			0x38
+#define AK4671_E2_COEFFICIENT1			0x39
+#define AK4671_E2_COEFFICIENT2			0x3a
+#define AK4671_E2_COEFFICIENT3			0x3b
+#define AK4671_E2_COEFFICIENT4			0x3c
+#define AK4671_E2_COEFFICIENT5			0x3d
+#define AK4671_E3_COEFFICIENT0			0x3e
+#define AK4671_E3_COEFFICIENT1			0x3f
+#define AK4671_E3_COEFFICIENT2			0x40
+#define AK4671_E3_COEFFICIENT3			0x41
+#define AK4671_E3_COEFFICIENT4			0x42
+#define AK4671_E3_COEFFICIENT5			0x43
+#define AK4671_E4_COEFFICIENT0			0x44
+#define AK4671_E4_COEFFICIENT1			0x45
+#define AK4671_E4_COEFFICIENT2			0x46
+#define AK4671_E4_COEFFICIENT3			0x47
+#define AK4671_E4_COEFFICIENT4			0x48
+#define AK4671_E4_COEFFICIENT5			0x49
+#define AK4671_E5_COEFFICIENT0			0x4a
+#define AK4671_E5_COEFFICIENT1			0x4b
+#define AK4671_E5_COEFFICIENT2			0x4c
+#define AK4671_E5_COEFFICIENT3			0x4d
+#define AK4671_E5_COEFFICIENT4			0x4e
+#define AK4671_E5_COEFFICIENT5			0x4f
+#define AK4671_EQ_CONTROL_250HZ_100HZ		0x50
+#define AK4671_EQ_CONTROL_3500HZ_1KHZ		0x51
+#define AK4671_EQ_CONTRO_10KHZ			0x52
+#define AK4671_PCM_IF_CONTROL0			0x53
+#define AK4671_PCM_IF_CONTROL1			0x54
+#define AK4671_PCM_IF_CONTROL2			0x55
+#define AK4671_DIGITAL_VOLUME_B_CONTROL		0x56
+#define AK4671_DIGITAL_VOLUME_C_CONTROL		0x57
+#define AK4671_SIDETONE_VOLUME_CONTROL		0x58
+#define AK4671_DIGITAL_MIXING_CONTROL2		0x59
+#define AK4671_SAR_ADC_CONTROL			0x5a
+
+#define AK4671_CACHEREGNUM			(AK4671_SAR_ADC_CONTROL + 1)
+
+/* Bitfield Definitions */
+
+/* AK4671_AD_DA_POWER_MANAGEMENT (0x00) Fields */
+#define AK4671_PMVCM				0x01
+
+/* AK4671_PLL_MODE_SELECT0 (0x01) Fields */
+#define AK4671_PLL				0x0f
+#define AK4671_PLL_11_2896MHZ			(4 << 0)
+#define AK4671_PLL_12_288MHZ			(5 << 0)
+#define AK4671_PLL_12MHZ			(6 << 0)
+#define AK4671_PLL_24MHZ			(7 << 0)
+#define AK4671_PLL_19_2MHZ			(8 << 0)
+#define AK4671_PLL_13_5MHZ			(12 << 0)
+#define AK4671_PLL_27MHZ			(13 << 0)
+#define AK4671_PLL_13MHZ			(14 << 0)
+#define AK4671_PLL_26MHZ			(15 << 0)
+#define AK4671_FS				0xf0
+#define AK4671_FS_8KHZ				(0 << 4)
+#define AK4671_FS_12KHZ				(1 << 4)
+#define AK4671_FS_16KHZ				(2 << 4)
+#define AK4671_FS_24KHZ				(3 << 4)
+#define AK4671_FS_11_025KHZ			(5 << 4)
+#define AK4671_FS_22_05KHZ			(7 << 4)
+#define AK4671_FS_32KHZ				(10 << 4)
+#define AK4671_FS_48KHZ				(11 << 4)
+#define AK4671_FS_44_1KHZ			(15 << 4)
+
+/* AK4671_PLL_MODE_SELECT1 (0x02) Fields */
+#define AK4671_PMPLL				0x01
+#define AK4671_M_S				0x02
+
+/* AK4671_FORMAT_SELECT (0x03) Fields */
+#define AK4671_DIF				0x03
+#define AK4671_DIF_DSP_MODE			(0 << 0)
+#define AK4671_DIF_MSB_MODE			(2 << 0)
+#define AK4671_DIF_I2S_MODE			(3 << 0)
+#define AK4671_BCKP				0x04
+#define AK4671_MSBS				0x08
+#define AK4671_SDOD				0x10
+
+/* AK4671_LOUT2_POWER_MANAGEMENT (0x10) Fields */
+#define AK4671_MUTEN				0x04
+
+extern struct snd_soc_dai ak4671_dai;
+extern struct snd_soc_codec_device soc_codec_dev_ak4671;
+
+#endif