diff options
Diffstat (limited to 'chip/npcx/apm_chip.h')
| -rw-r--r-- | chip/npcx/apm_chip.h | 67 |
1 files changed, 55 insertions, 12 deletions
diff --git a/chip/npcx/apm_chip.h b/chip/npcx/apm_chip.h index 95e69aba28..ad62538374 100644 --- a/chip/npcx/apm_chip.h +++ b/chip/npcx/apm_chip.h @@ -1,10 +1,8 @@ -/* Copyright (c) 2018 The Chromium OS Authors. All rights reserved. +/* Copyright 2018 The Chromium OS Authors. All rights reserved. * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ -/* NPCX-specific APM module for Chrome EC */ - #ifndef __CROS_EC_APM_CHIP_H #define __CROS_EC_APM_CHIP_H @@ -67,9 +65,12 @@ enum apm_dmic_src { /* ADC digital microphone rate. */ enum apm_dmic_rate { - APM_DMIC_RATE_3_0 = 0, /* 3.0 -3.25 MHz (default). */ - APM_DMIC_RATE_2_4, /* 2.4 -2.6 MHz. */ - APM_DMIC_RATE_1_0 /* 1.0 -1.08 MHz. */ + /* 3.0, 2.4 & 1.0 must be 0, 1 & 2 respectively */ + APM_DMIC_RATE_3_0 = 0, /* 3.0 -3.25 MHz (default). */ + APM_DMIC_RATE_2_4, /* 2.4 -2.6 MHz. */ + APM_DMIC_RATE_1_0, /* 1.0 -1.08 MHz. */ + APM_DMIC_RATE_1_2, /* 1.2 MHz. */ + APM_DMIC_RATE_0_75 /* 750 KHz. */ }; /* Digitla mixer output. */ @@ -212,7 +213,8 @@ enum apm_adc_data_length { struct apm_config { enum apm_dmic_rate vad_dmic_rate; - enum apm_dmic_rate adc_dmic_rate; + enum apm_dmic_rate adc_ram_dmic_rate; + enum apm_dmic_rate adc_i2s_dmic_rate; enum apm_adc_gain_coupling gain_coupling; uint8_t left_chan_gain; uint8_t right_chan_gain; @@ -229,13 +231,40 @@ struct apm_auto_gain_config { enum apm_gain_values gain_min; }; +/*****************************************************************************/ +/* IC specific low-level driver */ +enum wov_modes; /** - * Sets the ADC DMIC rate. + * Sets the RAM ADC DMIC rate. * * @param rate - ADC digital microphone rate * @return None */ -void apm_set_adc_dmic_config(enum apm_dmic_rate rate); +void apm_set_adc_ram_dmic_config(enum apm_dmic_rate rate); + +/** + * Gets the RAM ADC DMIC rate. + * + * @param None + * @return ADC digital microphone rate code. + */ +enum apm_dmic_rate apm_get_adc_ram_dmic_rate(void); + +/** + * Sets the ADC I2S DMIC rate. + * + * @param rate - ADC digital microphone rate + * @return None + */ +void apm_set_adc_i2s_dmic_config(enum apm_dmic_rate rate); + +/** + * Gets the ADC I2S DMIC rate. + * + * @param None + * @return ADC digital microphone rate code. + */ +enum apm_dmic_rate apm_get_adc_i2s_dmic_rate(void); /** * Sets VAD DMIC rate. @@ -246,9 +275,23 @@ void apm_set_adc_dmic_config(enum apm_dmic_rate rate); */ void apm_set_vad_dmic_rate(enum apm_dmic_rate rate); -/*****************************************************************************/ -/* IC specific low-level driver */ -enum wov_modes; +/** + * Gets VAD DMIC rate. + * + * @param None + * + * @return ADC digital microphone rate code. + */ +enum apm_dmic_rate apm_get_vad_dmic_rate(void); + +/** + * Gets the ADC DMIC rate. + * + * @param None + * @return ADC digital microphone rate code. + */ +enum apm_dmic_rate apm_get_adc_dmic_rate(void); + /** * Initiate APM module local parameters.. * |