wm8994.h
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/*
* Copyright (C) 2012 Samsung Electronics
* R. Chadrasekar <rcsekar@samsung.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __WM8994_H__
#define __WM8994_H__
/* Sources for AIF1/2 SYSCLK - use with set_dai_sysclk() */
#define WM8994_SYSCLK_MCLK1 1
#define WM8994_SYSCLK_MCLK2 2
#define WM8994_SYSCLK_FLL1 3
#define WM8994_SYSCLK_FLL2 4
/* Avilable audi interface ports in wm8994 codec */
enum en_audio_interface {
WM8994_AIF1 = 1,
WM8994_AIF2,
WM8994_AIF3
};
/* OPCLK is also configured with set_dai_sysclk, specify division*10 as rate. */
#define WM8994_SYSCLK_OPCLK 5
#define WM8994_FLL1 1
#define WM8994_FLL2 2
#define WM8994_FLL_SRC_MCLK1 1
#define WM8994_FLL_SRC_MCLK2 2
#define WM8994_FLL_SRC_LRCLK 3
#define WM8994_FLL_SRC_BCLK 4
/* maximum available digital interfac in the dac to configure */
#define WM8994_MAX_AIF 2
#define WM8994_MAX_INPUT_CLK_FREQ 13500000
#define WM8994_ID 0x8994
enum wm8994_vmid_mode {
WM8994_VMID_NORMAL,
WM8994_VMID_FORCE,
};
/* wm 8994 family devices */
enum wm8994_type {
WM8994 = 0,
WM8958 = 1,
WM1811 = 2,
};
/*
* intialise wm8994 sound codec device for the given configuration
*
* @param blob FDT node for codec values
* @param aif_id enum value of codec interface port in which
* soc i2s is connected
* @param sampling_rate Sampling rate ranges between from 8khz to 96khz
* @param mclk_freq Master clock frequency.
* @param bits_per_sample bits per Sample can be 16 or 24
* @param channels Number of channnels, maximum 2
*
* @returns -1 for error and 0 Success.
*/
int wm8994_init(const void *blob, enum en_audio_interface aif_id,
int sampling_rate, int mclk_freq,
int bits_per_sample, unsigned int channels);
#endif /*__WM8994_H__ */