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>
diff --git a/sound/soc/codecs/ak4671.h b/sound/soc/codecs/ak4671.h
new file mode 100644
index 0000000..e2fad96
--- /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