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ErosQ Native ES9018K2M: Add digital filters capability

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Setting not yet hidden for older hardware revision.

Change-Id: Iaaa5727e63c38de578a6bbc73498ae1073180e65
This commit is contained in:
Dana Conrad 2023-12-03 15:07:26 -06:00 • committed by Aidan MacDonald
parent a3fe07ff12
commit 8cc7476735
5 changed files with 70 additions and 8 deletions
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2
firmware/export/config/erosqnative.h
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@ -63,6 +63,8 @@
#define HAVE_EROS_QN_CODEC
#define HAVE_SW_TONE_CONTROLS
#define HAVE_SW_VOLUME_CONTROL
#define AUDIOHW_CAPS (FILTER_ROLL_OFF_CAP)
#define AUDIOHW_HAVE_SHORT_ROLL_OFF
/* use high-bitdepth volume scaling */
#define PCM_NATIVE_BITDEPTH 24

14
firmware/export/es9018k2m.h
View file

@ -25,6 +25,13 @@
//======================================================================================
// ES9018K2M support stuff
// Implement audiohw_* functions in audiohw-*.c. These functions are utilities which
// may be used there.
// AUDIOHW_SETTING(VOLUME, *) not set here, probably best to put it in device-specific *_codec.h
#ifdef AUDIOHW_HAVE_SHORT_ROLL_OFF
AUDIOHW_SETTING(FILTER_ROLL_OFF, "", 0, 1, 0, 3, 0)
#endif
#ifndef ES9018K2M_VOLUME_MIN
# define ES9018K2M_VOLUME_MIN -1270
@ -50,8 +57,11 @@
#define ES9018K2M_REG16_VOLUME_R 16
#define ES9018K2M_REG21_GPIO_INPUT_SELECT 21
/* writes volume levels to DAC over I2C */
void es9018k2m_set_volume(int vol_l, int vol_r);
/* writes volume levels to DAC over I2C, asynchronously */
void es9018k2m_set_volume_async(int vol_l, int vol_r);
/* write filter roll-off setting to DAC over I2C, synchronously */
void es9018k2m_set_filter_roll_off(int value);
/* writes a single register */
/* returns I2C_STATUS_OK upon success, I2C_STATUS_* errors upon error */