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