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Diffstat (limited to 'sound/soc/codecs/nau8325.h')
| -rw-r--r-- | sound/soc/codecs/nau8325.h | 391 |
1 files changed, 391 insertions, 0 deletions
diff --git a/sound/soc/codecs/nau8325.h b/sound/soc/codecs/nau8325.h new file mode 100644 index 000000000000..0d173b66a4d4 --- /dev/null +++ b/sound/soc/codecs/nau8325.h @@ -0,0 +1,391 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * nau8325.h -- Nuvoton NAU8325 audio codec driver + * + * Copyright 2023 Nuvoton Technology Crop. + * Author: Seven Lee <WTLI@nuvoton.com> + * David Lin <CTLIN0@nuvoton.com> + */ + +#ifndef __NAU8325_H__ +#define __NAU8325_H__ + +#define NAU8325_R00_HARDWARE_RST 0x00 +#define NAU8325_R01_SOFTWARE_RST 0x01 +#define NAU8325_R02_DEVICE_ID 0x02 +#define NAU8325_R03_CLK_CTRL 0x03 +#define NAU8325_R04_ENA_CTRL 0x04 +#define NAU8325_R05_INTERRUPT_CTRL 0x05 +#define NAU8325_R06_INT_CLR_STATUS 0x06 +#define NAU8325_R09_IRQOUT 0x09 +#define NAU8325_R0A_IO_CTRL 0x0a +#define NAU8325_R0B_PDM_CTRL 0x0b +#define NAU8325_R0C_TDM_CTRL 0x0c +#define NAU8325_R0D_I2S_PCM_CTRL1 0x0d +#define NAU8325_R0E_I2S_PCM_CTRL2 0x0e +#define NAU8325_R0F_L_TIME_SLOT 0x0f +#define NAU8325_R10_R_TIME_SLOT 0x10 +#define NAU8325_R11_HPF_CTRL 0x11 +#define NAU8325_R12_MUTE_CTRL 0x12 +#define NAU8325_R13_DAC_VOLUME 0x13 +#define NAU8325_R1D_DEBUG_READ1 0x1d +#define NAU8325_R1F_DEBUG_READ2 0x1f +#define NAU8325_R22_DEBUG_READ3 0x22 +#define NAU8325_R29_DAC_CTRL1 0x29 +#define NAU8325_R2A_DAC_CTRL2 0x2a +#define NAU8325_R2C_ALC_CTRL1 0x2c +#define NAU8325_R2D_ALC_CTRL2 0x2d +#define NAU8325_R2E_ALC_CTRL3 0x2e +#define NAU8325_R2F_ALC_CTRL4 0x2f +#define NAU8325_R40_CLK_DET_CTRL 0x40 +#define NAU8325_R49_TEST_STATUS 0x49 +#define NAU8325_R4A_ANALOG_READ 0x4a +#define NAU8325_R50_MIXER_CTRL 0x50 +#define NAU8325_R55_MISC_CTRL 0x55 +#define NAU8325_R60_BIAS_ADJ 0x60 +#define NAU8325_R61_ANALOG_CONTROL_1 0x61 +#define NAU8325_R62_ANALOG_CONTROL_2 0x62 +#define NAU8325_R63_ANALOG_CONTROL_3 0x63 +#define NAU8325_R64_ANALOG_CONTROL_4 0x64 +#define NAU8325_R65_ANALOG_CONTROL_5 0x65 +#define NAU8325_R66_ANALOG_CONTROL_6 0x66 +#define NAU8325_R69_CLIP_CTRL 0x69 +#define NAU8325_R73_RDAC 0x73 +#define NAU8325_REG_MAX NAU8325_R73_RDAC + +/* 16-bit control register address, and 16-bits control register data */ +#define NAU8325_REG_ADDR_LEN 16 +#define NAU8325_REG_DATA_LEN 16 + +/* CLK_CTRL (0x03) */ +#define NAU8325_CLK_DAC_SRC_SFT 12 +#define NAU8325_CLK_DAC_SRC_MASK (0x3 << NAU8325_CLK_DAC_SRC_SFT) +#define NAU8325_CLK_MUL_SRC_SFT 6 +#define NAU8325_CLK_MUL_SRC_MASK (0x3 << NAU8325_CLK_MUL_SRC_SFT) +#define NAU8325_MCLK_SEL_SFT 3 +#define NAU8325_MCLK_SEL_MASK (0x7 << NAU8325_MCLK_SEL_SFT) +#define NAU8325_MCLK_SRC_MASK 0x7 + +/* ENA_CTRL (0x04) */ +#define NAU8325_DAC_LEFT_CH_EN_SFT 3 +#define NAU8325_DAC_LEFT_CH_EN (0x1 << NAU8325_DAC_LEFT_CH_EN_SFT) +#define NAU8325_DAC_RIGHT_CH_EN_SFT 2 +#define NAU8325_DAC_RIGHT_CH_EN (0x1 << NAU8325_DAC_RIGHT_CH_EN_SFT) + +/* INTERRUPT_CTRL (0x05) */ +#define NAU8325_ARP_DWN_INT_SFT 12 +#define NAU8325_ARP_DWN_INT_MASK (0x1 << NAU8325_ARP_DWN_INT_SFT) +#define NAU8325_CLIP_INT_SFT 11 +#define NAU8325_CLIP_INT_MASK (0x1 << NAU8325_CLIP_INT_SFT) +#define NAU8325_LVD_INT_SFT 10 +#define NAU8325_LVD_INT_MASK (0x1 << NAU8325_LVD_INT_SFT) +#define NAU8325_PWR_INT_DIS_SFT 8 +#define NAU8325_PWR_INT_DIS (0x1 << NAU8325_PWR_INT_DIS_SFT) +#define NAU8325_OCP_OTP_SHTDWN_INT_SFT 4 +#define NAU8325_OCP_OTP_SHTDWN_INT_MASK (0x1 << NAU8325_OCP_OTP_SHTDWN_INT_SFT) +#define NAU8325_CLIP_INT_DIS_SFT 3 +#define NAU8325_CLIP_INT_DIS (0x1 << NAU8325_CLIP_INT_DIS_SFT) +#define NAU8325_LVD_INT_DIS_SFT 2 +#define NAU8325_LVD_INT_DIS (0x1 << NAU8325_LVD_INT_DIS_SFT) +#define NAU8325_PWR_INT_MASK 0x1 + +/* INT_CLR_STATUS (0x06) */ +#define NAU8325_INT_STATUS_MASK 0x7f + +/* IRQOUT (0x9) */ +#define NAU8325_IRQOUT_SEL_SEF 12 +#define NAU8325_IRQOUT_SEL_MASK (0xf << NAU8325_IRQOUT_SEL_SEF) +#define NAU8325_DEM_DITH_SFT 7 +#define NAU8325_DEM_DITH_EN (0x1 << NAU8325_DEM_DITH_SFT) +#define NAU8325_GAINZI3_SFT 5 +#define NAU8325_GAINZI3_MASK (0x1 << NAU8325_GAINZI3_SFT) +#define NAU8325_GAINZI2_MASK 0x1f + +/* IO_CTRL (0x0a) */ +#define NAU8325_IRQ_PL_SFT 15 +#define NAU8325_IRQ_PL_ACT_HIGH (0x1 << NAU8325_IRQ_PL_SFT) +#define NAU8325_IRQ_PS_SFT 14 +#define NAU8325_IRQ_PS_UP (0x1 << NAU8325_IRQ_PS_SFT) +#define NAU8325_IRQ_PE_SFT 13 +#define NAU8325_IRQ_PE_EN (0x1 << NAU8325_IRQ_PE_SFT) +#define NAU8325_IRQ_DS_SFT 12 +#define NAU8325_IRQ_DS_HIGH (0x1 << NAU8325_IRQ_DS_SFT) +#define NAU8325_IRQ_OUTPUT_SFT 11 +#define NAU8325_IRQ_OUTPUT_EN (0x1 << NAU8325_IRQ_OUTPUT_SFT) +#define NAU8325_IRQ_PIN_DEBUG_SFT 10 +#define NAU8325_IRQ_PIN_DEBUG_EN (0x1 << NAU8325_IRQ_PIN_DEBUG_SFT) + +/* PDM_CTRL (0x0b) */ +#define NAU8325_PDM_LCH_EDGE_SFT 1 +#define NAU8325_PDM_LCH_EDGE__MASK (0x1 << NAU8325_PDM_LCH_EDGE_SFT) +#define NAU8325_PDM_MODE_EN 0x1 + +/* TDM_CTRL (0x0c) */ +#define NAU8325_TDM_SFT 15 +#define NAU8325_TDM_EN (0x1 << NAU8325_TDM_SFT) +#define NAU8325_PCM_OFFSET_CTRL_SFT 14 +#define NAU8325_PCM_OFFSET_CTRL_EN (0x1 << NAU8325_PCM_OFFSET_CTRL_SFT) +#define NAU8325_DAC_LEFT_SFT 6 +#define NAU8325_NAU8325_DAC_LEFT_MASK (0x7 << NAU8325_DAC_LEFT_SFT) +#define NAU8325_DAC_RIGHT_SFT 3 +#define NAU8325_DAC_RIGHT_MASK (0x7 << NAU8325_DAC_RIGHT_SFT) + +/* I2S_PCM_CTRL1 (0x0d) */ +#define NAU8325_DACCM_CTL_SFT 14 +#define NAU8325_DACCM_CTL_MASK (0x3 << NAU8325_DACCM_CTL_SFT) +#define NAU8325_CMB8_0_SFT 10 +#define NAU8325_CMB8_0_MASK (0x1 << NAU8325_CMB8_0_SFT) +#define NAU8325_UA_OFFSET_SFT 9 +#define NAU8325_UA_OFFSET_MASK (0x1 << NAU8325_UA_OFFSET_SFT) +#define NAU8325_I2S_BP_SFT 7 +#define NAU8325_I2S_BP_MASK (0x1 << NAU8325_I2S_BP_SFT) +#define NAU8325_I2S_BP_INV (0x1 << NAU8325_I2S_BP_SFT) +#define NAU8325_I2S_PCMB_SFT 6 +#define NAU8325_I2S_PCMB_EN (0x1 << NAU8325_I2S_PCMB_SFT) +#define NAU8325_I2S_DACPSHS0_SFT 5 +#define NAU8325_I2S_DACPSHS0_MASK (0x1 << NAU8325_I2S_DACPSHS0_SFT) +#define NAU8325_I2S_DL_SFT 2 +#define NAU8325_I2S_DL_MASK (0x3 << NAU8325_I2S_DL_SFT) +#define NAU8325_I2S_DL_32 (0x3 << NAU8325_I2S_DL_SFT) +#define NAU8325_I2S_DL_24 (0x2 << NAU8325_I2S_DL_SFT) +#define NAU8325_I2S_DL_20 (0x1 << NAU8325_I2S_DL_SFT) +#define NAU8325_I2S_DL_16 (0x0 << NAU8325_I2S_DL_SFT) +#define NAU8325_I2S_DF_MASK 0x3 +#define NAU8325_I2S_DF_RIGTH 0x0 +#define NAU8325_I2S_DF_LEFT 0x1 +#define NAU8325_I2S_DF_I2S 0x2 +#define NAU8325_I2S_DF_PCM_AB 0x3 + +/* I2S_PCM_CTRL2 (0x0e) */ +#define NAU8325_PCM_TS_SFT 10 +#define NAU8325_PCM_TS_EN (0x1 << NAU8325_PCM_TS_SFT) +#define NAU8325_PCM8BIT0_SFT 8 +#define NAU8325_PCM8BIT0_MASK (0x1 << NAU8325_PCM8BIT0_SFT) + +/* L_TIME_SLOT (0x0f)*/ +#define NAU8325_SHORT_FS_DET_SFT 13 +#define NAU8325_SHORT_FS_DET_DIS (0x1 << NAU8325_SHORT_FS_DET_SFT) +#define NAU8325_TSLOT_L0_MASK 0x3ff + +/* R_TIME_SLOT (0x10)*/ +#define NAU8325_TSLOT_R0_MASK 0x3ff + +/* HPF_CTRL (0x11)*/ +#define NAU8325_DAC_HPF_SFT 15 +#define NAU8325_DAC_HPF_EN (0x1 << NAU8325_DAC_HPF_SFT) +#define NAU8325_DAC_HPF_APP_SFT 14 +#define NAU8325_DAC_HPF_APP_MASK (0x1 << NAU8325_DAC_HPF_APP_SFT) +#define NAU8325_DAC_HPF_FCUT_SFT 11 +#define NAU8325_DAC_HPF_FCUT_MASK (0x7 << NAU8325_DAC_HPF_FCUT_SFT) + +/* MUTE_CTRL (0x12)*/ +#define NAU8325_SOFT_MUTE_SFT 15 +#define NAU8325_SOFT_MUTE (0x1 << NAU8325_SOFT_MUTE_SFT) +#define NAU8325_DAC_ZC_SFT 8 +#define NAU8325_DAC_ZC_EN (0x1 << NAU8325_DAC_ZC_SFT) +#define NAU8325_UNMUTE_CTL_SFT 6 +#define NAU8325_UNMUTE_CTL_MASK (0x3 << NAU8325_UNMUTE_CTL_SFT) +#define NAU8325_ANA_MUTE_SFT 4 +#define NAU8325_ANA_MUTE_MASK (0x3 << NAU8325_ANA_MUTE_SFT) +#define NAU8325_AUTO_MUTE_SFT 3 +#define NAU8325_AUTO_MUTE_DIS (0x1 << NAU8325_AUTO_MUTE_SFT) + +/* DAC_VOLUME (0x13) */ +#define NAU8325_DAC_VOLUME_L_SFT 8 +#define NAU8325_DAC_VOLUME_L_EN (0xff << NAU8325_DAC_VOLUME_L_SFT) +#define NAU8325_DAC_VOLUME_R_SFT 0 +#define NAU8325_DAC_VOLUME_R_EN (0xff << NAU8325_DAC_VOLUME_R_SFT) +#define NAU8325_DAC_VOL_MAX 0xff + +/* DEBUG_READ1 (0x1d)*/ +#define NAU8325_OSR100_MASK (0x1 << 6) +#define NAU8325_MIPS500_MASK (0x1 << 5) +#define NAU8325_SHUTDWNDRVR_R_MASK (0x1 << 4) +#define NAU8325_SHUTDWNDRVR_L_MASK (0x1 << 3) +#define NAU8325_MUTEB_MASK (0x1 << 2) +#define NAU8325_PDOSCB_MASK (0x1 << 1) +#define NAU8325_POWERDOWN1B_D_MASK 0x1 + +/* DEBUG_READ2 (0x1f)*/ +#define NAU8325_R_CHANNEL_Vol_SFT 8 +#define NAU8325_R_CHANNEL_Vol_MASK (0xff << NAU8325_R_CHANNEL_Vol_SFT) +#define NAU8325_L_CHANNEL_Vol_MASK 0xff + +/* DEBUG_READ3(0x22)*/ +#define NAU8325_PGAL_GAIN_MASK (0x3f << 7) +#define NAU8325_CLIP_MASK (0x1 << 6) +#define NAU8325_SCAN_MODE_MASK (0x1 << 5) +#define NAU8325_SDB_MASK (0x1 << 4) +#define NAU8325_TALARM_MASK (0x1 << 3) +#define NAU8325_SHORTR_MASK (0x1 << 2) +#define NAU8325_SHORTL_MASK (0x1 << 1) +#define NAU8325_TMDET_MASK 0x1 + +/* DAC_CTRL1 (0x29) */ +#define NAU8325_DAC_OVERSAMPLE_SFT 0 +#define NAU8325_DAC_OVERSAMPLE_MASK 0x7 +#define NAU8325_DAC_OVERSAMPLE_256 1 +#define NAU8325_DAC_OVERSAMPLE_128 2 +#define NAU8325_DAC_OVERSAMPLE_64 0 +#define NAU8325_DAC_OVERSAMPLE_32 4 + +/* ALC_CTRL1 (0x2c) */ +#define NAU8325_ALC_MAXGAIN_SFT 5 +#define NAU8325_ALC_MAXGAIN_MAX 0x7 +#define NAU8325_ALC_MAXGAIN_MASK (0x7 << NAU8325_ALC_MAXGAIN_SFT) +#define NAU8325_ALC_MINGAIN_MAX 4 +#define NAU8325_ALC_MINGAIN_SFT 1 +#define NAU8325_ALC_MINGAIN_MASK (0x7 << NAU8325_ALC_MINGAIN_SFT) + +/* ALC_CTRL2 (0x2d) */ +#define NAU8325_ALC_DCY_SFT 12 +#define NAU8325_ALC_DCY_MAX 0xb +#define NAU8325_ALC_DCY_MASK (0xf << NAU8325_ALC_DCY_SFT) +#define NAU8325_ALC_ATK_SFT 8 +#define NAU8325_ALC_ATK_MAX 0xb +#define NAU8325_ALC_ATK_MASK (0xf << NAU8325_ALC_ATK_SFT) +#define NAU8325_ALC_HLD_SFT 4 +#define NAU8325_ALC_HLD_MAX 0xa +#define NAU8325_ALC_HLD_MASK (0xf << NAU8325_ALC_HLD_SFT) +#define NAU8325_ALC_LVL_SFT 0 +#define NAU8325_ALC_LVL_MAX 0xf +#define NAU8325_ALC_LVL_MASK 0xf + +/* ALC_CTRL3 (0x2e) */ +#define NAU8325_ALC_EN_SFT 15 +#define NAU8325_ALC_EN (0x1 << NAU8325_ALC_EN_SFT) + +/* TEMP_COMP_CTRL (0x30) */ +#define NAU8325_TEMP_COMP_ACT2_MASK 0xff + +/* LPF_CTRL (0x33) */ +#define NAU8325_LPF_IN1_EN_SFT 15 +#define NAU8325_LPF_IN1_EN (0x1 << NAU8325_LPF_IN1_EN_SFT) +#define NAU8325_LPF_IN1_TC_SFT 11 +#define NAU8325_LPF_IN1_TC_MASK (0xf << NAU8325_LPF_IN1_TC_SFT) +#define NAU8325_LPF_IN2_EN_SFT 10 +#define NAU8325_LPF_IN2_EN (0x1 << NAU8325_LPF_IN2_EN_SFT) +#define NAU8325_LPF_IN2_TC_SFT 6 +#define NAU8325_LPF_IN2_TC_MASK (0xf << NAU8325_LPF_IN2_TC_SFT) + +/* CLK_DET_CTRL (0x40) */ +#define NAU8325_APWRUP_SFT 15 +#define NAU8325_APWRUP_EN (0x1 << NAU8325_APWRUP_SFT) +#define NAU8325_CLKPWRUP_SFT 14 +#define NAU8325_CLKPWRUP_DIS (0x1 << NAU8325_CLKPWRUP_SFT) +#define NAU8325_PWRUP_DFT_SFT 13 +#define NAU8325_PWRUP_DFT (0x1 << NAU8325_PWRUP_DFT_SFT) +#define NAU8325_REG_SRATE_SFT 10 +#define NAU8325_REG_SRATE_MASK (0x7 << NAU8325_REG_SRATE_SFT) +#define NAU8325_REG_ALT_SRATE_SFT 9 +#define NAU8325_REG_ALT_SRATE_EN (0x1 << NAU8325_REG_ALT_SRATE_SFT) +#define NAU8325_REG_DIV_MAX 0x1 + +/* BIAS_ADJ (0x60) */ +#define NAU8325_BIAS_VMID_SEL_SFT 4 +#define NAU8325_BIAS_VMID_SEL_MASK (0x3 << NAU8325_BIAS_VMID_SEL_SFT) + +/* ANALOG_CONTROL_1 (0x61) */ +#define NAU8325_VMDFSTENB_SFT 14 +#define NAU8325_VMDFSTENB_MASK (0x3 << NAU8325_VMDFSTENB_SFT) +#define NAU8325_CLASSDEN_SFT 12 +#define NAU8325_CLASSDEN_MASK (0x3 << NAU8325_CLASSDEN_SFT) +#define NAU8325_DACCLKEN_R_SFT 10 +#define NAU8325_DACCLKEN_R_MASK (0x3 << NAU8325_DACCLKEN_R_SFT) +#define NAU8325_DACEN_R_SFT 8 +#define NAU8325_DACEN_R_MASK (0x3 << NAU8325_DACEN_R_SFT) +#define NAU8325_DACCLKEN_SFT 6 +#define NAU8325_DACCLKEN_MASK (0x3 << NAU8325_DACCLKEN_SFT) +#define NAU8325_DACEN_SFT 4 +#define NAU8325_DACEN_MASK (0x3 << NAU8325_DACEN_SFT) +#define NAU8325_BIASEN_SFT 2 +#define NAU8325_BIASEN_MASK (0x3 << NAU8325_BIASEN_SFT) +#define NAU8325_VMIDEN_MASK 0x3 + +/* ANALOG_CONTROL_2 (0x62) */ +#define NAU8325_PWMMOD_SFT 14 +#define NAU8325_PWMMOD_MASK (0x1 << NAU8325_PWMMOD_SFT) +#define NAU8325_DACTEST_SFT 6 +#define NAU8325_DACTEST_MASK (0x3 << NAU8325_DACTEST_SFT) +#define NAU8325_DACREFCAP_SFT 4 +#define NAU8325_DACREFCAP_MASK (0x3 << NAU8325_DACREFCAP_SFT) + +/* ANALOG_CONTROL_3 (0x63) */ +#define NAU8325_POWER_DOWN_L_SFT 12 +#define NAU8325_POWER_DOWN_L_MASK (0x3 << NAU8325_POWER_DOWN_L_SFT) +#define NAU8325_POWER_DOWN_R_SFT 11 +#define NAU8325_POWER_DOWN_R_MASK (0x3 << NAU8325_DACREFCAP_SFT) +#define NAU8325_CLASSD_FINE_SFT 5 +#define NAU8325_CLASSD_FINE_MASK (0x3 << NAU8325_CLASSD_FINE_SFT) +#define NAU8325_CLASSD_COARSE_GAIN_MASK 0xf + +/* ANALOG_CONTROL_4 (0x64) */ +#define NAU8325_CLASSD_OCPN_SFT 12 +#define NAU8325_CLASSD_OCPN_MASK (0xf << NAU8325_CLASSD_OCPN_SFT) +#define NAU8325_CLASSD_OCPP_SFT 8 +#define NAU8325_CLASSD_OCPP_MASK (0xf << NAU8325_CLASSD_OCPP_SFT) +#define NAU8325_CLASSD_SLEWN_MASK 0xff + +/* ANALOG_CONTROL_5 (0x65) */ +#define NAU8325_MCLK_RANGE_SFT 2 +#define NAU8325_MCLK_RANGE_EN (0x1 << NAU8325_MCLK_RANGE_SFT) +#define NAU8325_MCLK8XEN_SFT 1 +#define NAU8325_MCLK8XEN_EN (0x1 << NAU8325_MCLK8XEN_SFT) +#define NAU8325_MCLK4XEN_EN 0x1 + +/* ANALOG_CONTROL_6 (0x66) */ +#define NAU8325_VBATLOW_SFT 4 +#define NAU8325_VBATLOW_MASK (0x1 << NAU8325_VBATLOW_SFT) +#define NAU8325_VDDSPK_LIM_SFT 3 +#define NAU8325_VDDSPK_LIM_EN (0x1 << NAU8325_VDDSPK_LIM_SFT) +#define NAU8325_VDDSPK_LIM_MASK 0x7 + +/* CLIP_CTRL (0x69)*/ +#define NAU8325_ANTI_CLIP_SFT 4 +#define NAU8325_ANTI_CLIP_EN (0x1 << NAU8325_ANTI_CLIP_SFT) + +/* RDAC (0x73) */ +#define NAU8325_CLK_DAC_DELAY_SFT 4 +#define NAU8325_CLK_DAC_DELAY_EN (0x7 << NAU8325_CLK_DAC_DELAY_SFT) +#define NAU8325_DACVREFSEL_SFT 2 +#define NAU8325_DACVREFSEL_MASK (0x3 << NAU8325_DACVREFSEL_SFT) + +#define NAU8325_CODEC_DAI "nau8325-hifi" + +struct nau8325 { + struct device *dev; + struct regmap *regmap; + int mclk; + int fs; + int vref_impedance_ohms; + int dac_vref_microvolt; + int clock_detection; + int clock_det_data; + int alc_enable; +}; + +struct nau8325_src_attr { + int param; + unsigned int val; +}; + +enum { + NAU8325_MCLK_FS_RATIO_256, + NAU8325_MCLK_FS_RATIO_400, + NAU8325_MCLK_FS_RATIO_500, + NAU8325_MCLK_FS_RATIO_NUM, +}; + +struct nau8325_srate_attr { + int fs; + int range; + bool max; + unsigned int mclk_src[NAU8325_MCLK_FS_RATIO_NUM]; +}; + +struct nau8325_osr_attr { + unsigned int osr; + unsigned int clk_src; +}; + +#endif /* __NAU8325_H__ */ |