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authorChen-Yu Tsai <wens@csie.org>2016-07-08 22:33:37 +0800
committerLee Jones <lee.jones@linaro.org>2016-08-08 12:53:26 +0100
commit585083c539ca3f5fb3d00057b25f9be3304d54c6 (patch)
treef7d02c455e6c87a9568efa41896925e9894b8d08 /include/linux/mfd
parent44fb25d031065fc846c0f97e37456a792312a7d1 (diff)
mfd: ac100: Add driver for X-Powers AC100 audio codec / RTC combo IC
The AC100 is a multifunction device with an audio codec subsystem and an RTC subsystem. These two subsystems share a common register space and host interface. Signed-off-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'include/linux/mfd')
-rw-r--r--include/linux/mfd/ac100.h178
1 files changed, 178 insertions, 0 deletions
diff --git a/include/linux/mfd/ac100.h b/include/linux/mfd/ac100.h
new file mode 100644
index 000000000000..3c148f196b9f
--- /dev/null
+++ b/include/linux/mfd/ac100.h
@@ -0,0 +1,178 @@
+/*
+ * Functions and registers to access AC100 codec / RTC combo IC.
+ *
+ * Copyright (C) 2016 Chen-Yu Tsai
+ *
+ * Chen-Yu Tsai <wens@csie.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __LINUX_MFD_AC100_H
+#define __LINUX_MFD_AC100_H
+
+#include <linux/regmap.h>
+
+struct ac100_dev {
+ struct device *dev;
+ struct regmap *regmap;
+};
+
+/* Audio codec related registers */
+#define AC100_CHIP_AUDIO_RST 0x00
+#define AC100_PLL_CTRL1 0x01
+#define AC100_PLL_CTRL2 0x02
+#define AC100_SYSCLK_CTRL 0x03
+#define AC100_MOD_CLK_ENA 0x04
+#define AC100_MOD_RST_CTRL 0x05
+#define AC100_I2S_SR_CTRL 0x06
+
+/* I2S1 interface */
+#define AC100_I2S1_CLK_CTRL 0x10
+#define AC100_I2S1_SND_OUT_CTRL 0x11
+#define AC100_I2S1_SND_IN_CTRL 0x12
+#define AC100_I2S1_MXR_SRC 0x13
+#define AC100_I2S1_VOL_CTRL1 0x14
+#define AC100_I2S1_VOL_CTRL2 0x15
+#define AC100_I2S1_VOL_CTRL3 0x16
+#define AC100_I2S1_VOL_CTRL4 0x17
+#define AC100_I2S1_MXR_GAIN 0x18
+
+/* I2S2 interface */
+#define AC100_I2S2_CLK_CTRL 0x20
+#define AC100_I2S2_SND_OUT_CTRL 0x21
+#define AC100_I2S2_SND_IN_CTRL 0x22
+#define AC100_I2S2_MXR_SRC 0x23
+#define AC100_I2S2_VOL_CTRL1 0x24
+#define AC100_I2S2_VOL_CTRL2 0x25
+#define AC100_I2S2_VOL_CTRL3 0x26
+#define AC100_I2S2_VOL_CTRL4 0x27
+#define AC100_I2S2_MXR_GAIN 0x28
+
+/* I2S3 interface */
+#define AC100_I2S3_CLK_CTRL 0x30
+#define AC100_I2S3_SND_OUT_CTRL 0x31
+#define AC100_I2S3_SND_IN_CTRL 0x32
+#define AC100_I2S3_SIG_PATH_CTRL 0x33
+
+/* ADC digital controls */
+#define AC100_ADC_DIG_CTRL 0x40
+#define AC100_ADC_VOL_CTRL 0x41
+
+/* HMIC plug sensing / key detection */
+#define AC100_HMIC_CTRL1 0x44
+#define AC100_HMIC_CTRL2 0x45
+#define AC100_HMIC_STATUS 0x46
+
+/* DAC digital controls */
+#define AC100_DAC_DIG_CTRL 0x48
+#define AC100_DAC_VOL_CTRL 0x49
+#define AC100_DAC_MXR_SRC 0x4c
+#define AC100_DAC_MXR_GAIN 0x4d
+
+/* Analog controls */
+#define AC100_ADC_APC_CTRL 0x50
+#define AC100_ADC_SRC 0x51
+#define AC100_ADC_SRC_BST_CTRL 0x52
+#define AC100_OUT_MXR_DAC_A_CTRL 0x53
+#define AC100_OUT_MXR_SRC 0x54
+#define AC100_OUT_MXR_SRC_BST 0x55
+#define AC100_HPOUT_CTRL 0x56
+#define AC100_ERPOUT_CTRL 0x57
+#define AC100_SPKOUT_CTRL 0x58
+#define AC100_LINEOUT_CTRL 0x59
+
+/* ADC digital audio processing (high pass filter & auto gain control */
+#define AC100_ADC_DAP_L_STA 0x80
+#define AC100_ADC_DAP_R_STA 0x81
+#define AC100_ADC_DAP_L_CTRL 0x82
+#define AC100_ADC_DAP_R_CTRL 0x83
+#define AC100_ADC_DAP_L_T_L 0x84 /* Left Target Level */
+#define AC100_ADC_DAP_R_T_L 0x85 /* Right Target Level */
+#define AC100_ADC_DAP_L_H_A_C 0x86 /* Left High Avg. Coef */
+#define AC100_ADC_DAP_L_L_A_C 0x87 /* Left Low Avg. Coef */
+#define AC100_ADC_DAP_R_H_A_C 0x88 /* Right High Avg. Coef */
+#define AC100_ADC_DAP_R_L_A_C 0x89 /* Right Low Avg. Coef */
+#define AC100_ADC_DAP_L_D_T 0x8a /* Left Decay Time */
+#define AC100_ADC_DAP_L_A_T 0x8b /* Left Attack Time */
+#define AC100_ADC_DAP_R_D_T 0x8c /* Right Decay Time */
+#define AC100_ADC_DAP_R_A_T 0x8d /* Right Attack Time */
+#define AC100_ADC_DAP_N_TH 0x8e /* Noise Threshold */
+#define AC100_ADC_DAP_L_H_N_A_C 0x8f /* Left High Noise Avg. Coef */
+#define AC100_ADC_DAP_L_L_N_A_C 0x90 /* Left Low Noise Avg. Coef */
+#define AC100_ADC_DAP_R_H_N_A_C 0x91 /* Right High Noise Avg. Coef */
+#define AC100_ADC_DAP_R_L_N_A_C 0x92 /* Right Low Noise Avg. Coef */
+#define AC100_ADC_DAP_H_HPF_C 0x93 /* High High-Pass-Filter Coef */
+#define AC100_ADC_DAP_L_HPF_C 0x94 /* Low High-Pass-Filter Coef */
+#define AC100_ADC_DAP_OPT 0x95 /* AGC Optimum */
+
+/* DAC digital audio processing (high pass filter & dynamic range control) */
+#define AC100_DAC_DAP_CTRL 0xa0
+#define AC100_DAC_DAP_H_HPF_C 0xa1 /* High High-Pass-Filter Coef */
+#define AC100_DAC_DAP_L_HPF_C 0xa2 /* Low High-Pass-Filter Coef */
+#define AC100_DAC_DAP_L_H_E_A_C 0xa3 /* Left High Energy Avg Coef */
+#define AC100_DAC_DAP_L_L_E_A_C 0xa4 /* Left Low Energy Avg Coef */
+#define AC100_DAC_DAP_R_H_E_A_C 0xa5 /* Right High Energy Avg Coef */
+#define AC100_DAC_DAP_R_L_E_A_C 0xa6 /* Right Low Energy Avg Coef */
+#define AC100_DAC_DAP_H_G_D_T_C 0xa7 /* High Gain Delay Time Coef */
+#define AC100_DAC_DAP_L_G_D_T_C 0xa8 /* Low Gain Delay Time Coef */
+#define AC100_DAC_DAP_H_G_A_T_C 0xa9 /* High Gain Attack Time Coef */
+#define AC100_DAC_DAP_L_G_A_T_C 0xaa /* Low Gain Attack Time Coef */
+#define AC100_DAC_DAP_H_E_TH 0xab /* High Energy Threshold */
+#define AC100_DAC_DAP_L_E_TH 0xac /* Low Energy Threshold */
+#define AC100_DAC_DAP_H_G_K 0xad /* High Gain K parameter */
+#define AC100_DAC_DAP_L_G_K 0xae /* Low Gain K parameter */
+#define AC100_DAC_DAP_H_G_OFF 0xaf /* High Gain offset */
+#define AC100_DAC_DAP_L_G_OFF 0xb0 /* Low Gain offset */
+#define AC100_DAC_DAP_OPT 0xb1 /* DRC optimum */
+
+/* Digital audio processing enable */
+#define AC100_ADC_DAP_ENA 0xb4
+#define AC100_DAC_DAP_ENA 0xb5
+
+/* SRC control */
+#define AC100_SRC1_CTRL1 0xb8
+#define AC100_SRC1_CTRL2 0xb9
+#define AC100_SRC1_CTRL3 0xba
+#define AC100_SRC1_CTRL4 0xbb
+#define AC100_SRC2_CTRL1 0xbc
+#define AC100_SRC2_CTRL2 0xbd
+#define AC100_SRC2_CTRL3 0xbe
+#define AC100_SRC2_CTRL4 0xbf
+
+/* RTC clk control */
+#define AC100_CLK32K_ANALOG_CTRL 0xc0
+#define AC100_CLKOUT_CTRL1 0xc1
+#define AC100_CLKOUT_CTRL2 0xc2
+#define AC100_CLKOUT_CTRL3 0xc3
+
+/* RTC module */
+#define AC100_RTC_RST 0xc6
+#define AC100_RTC_CTRL 0xc7
+#define AC100_RTC_SEC 0xc8 /* second */
+#define AC100_RTC_MIN 0xc9 /* minute */
+#define AC100_RTC_HOU 0xca /* hour */
+#define AC100_RTC_WEE 0xcb /* weekday */
+#define AC100_RTC_DAY 0xcc /* day */
+#define AC100_RTC_MON 0xcd /* month */
+#define AC100_RTC_YEA 0xce /* year */
+#define AC100_RTC_UPD 0xcf /* update trigger */
+
+/* RTC alarm */
+#define AC100_ALM_INT_ENA 0xd0
+#define AC100_ALM_INT_STA 0xd1
+#define AC100_ALM_SEC 0xd8
+#define AC100_ALM_MIN 0xd9
+#define AC100_ALM_HOU 0xda
+#define AC100_ALM_WEE 0xdb
+#define AC100_ALM_DAY 0xdc
+#define AC100_ALM_MON 0xdd
+#define AC100_ALM_YEA 0xde
+#define AC100_ALM_UPD 0xdf
+
+/* RTC general purpose register 0 ~ 15 */
+#define AC100_RTC_GP(x) (0xe0 + (x))
+
+#endif /* __LINUX_MFD_AC100_H */