mirror of
https://github.com/torvalds/linux.git
synced 2024-11-22 12:11:40 +00:00
7342db3cdd
Enable Daisy Chain if in TDM mode and the number of played channels is bigger than the maximum supported number of channels. Signed-off-by: Viorel Suman <viorel.suman@nxp.com> Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com> Link: https://lore.kernel.org/r/1618915453-29445-1-git-send-email-shengjiu.wang@nxp.com Signed-off-by: Mark Brown <broonie@kernel.org>
91 lines
2.4 KiB
C
91 lines
2.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* Audio driver for AK4458
|
|
*
|
|
* Copyright (C) 2016 Asahi Kasei Microdevices Corporation
|
|
* Copyright 2018 NXP
|
|
*/
|
|
|
|
#ifndef _AK4458_H
|
|
#define _AK4458_H
|
|
|
|
#include <linux/regmap.h>
|
|
|
|
/* Settings */
|
|
|
|
#define AK4458_00_CONTROL1 0x00
|
|
#define AK4458_01_CONTROL2 0x01
|
|
#define AK4458_02_CONTROL3 0x02
|
|
#define AK4458_03_LCHATT 0x03
|
|
#define AK4458_04_RCHATT 0x04
|
|
#define AK4458_05_CONTROL4 0x05
|
|
#define AK4458_06_DSD1 0x06
|
|
#define AK4458_07_CONTROL5 0x07
|
|
#define AK4458_08_SOUND_CONTROL 0x08
|
|
#define AK4458_09_DSD2 0x09
|
|
#define AK4458_0A_CONTROL6 0x0A
|
|
#define AK4458_0B_CONTROL7 0x0B
|
|
#define AK4458_0C_CONTROL8 0x0C
|
|
#define AK4458_0D_CONTROL9 0x0D
|
|
#define AK4458_0E_CONTROL10 0x0E
|
|
#define AK4458_0F_L2CHATT 0x0F
|
|
#define AK4458_10_R2CHATT 0x10
|
|
#define AK4458_11_L3CHATT 0x11
|
|
#define AK4458_12_R3CHATT 0x12
|
|
#define AK4458_13_L4CHATT 0x13
|
|
#define AK4458_14_R4CHATT 0x14
|
|
|
|
/* Bitfield Definitions */
|
|
|
|
/* AK4458_00_CONTROL1 (0x00) Fields
|
|
* Addr Register Name D7 D6 D5 D4 D3 D2 D1 D0
|
|
* 00H Control 1 ACKS 0 0 0 DIF2 DIF1 DIF0 RSTN
|
|
*/
|
|
|
|
/* Digital Filter (SD, SLOW, SSLOW) */
|
|
#define AK4458_SD_MASK GENMASK(5, 5)
|
|
#define AK4458_SLOW_MASK GENMASK(0, 0)
|
|
#define AK4458_SSLOW_MASK GENMASK(0, 0)
|
|
|
|
/* DIF2 1 0
|
|
* x 1 0 MSB justified Figure 3 (default)
|
|
* x 1 1 I2S Compliment Figure 4
|
|
*/
|
|
#define AK4458_DIF_SHIFT 1
|
|
#define AK4458_DIF_MASK GENMASK(3, 1)
|
|
|
|
#define AK4458_DIF_16BIT_LSB (0 << 1)
|
|
#define AK4458_DIF_24BIT_I2S (3 << 1)
|
|
#define AK4458_DIF_32BIT_LSB (5 << 1)
|
|
#define AK4458_DIF_32BIT_MSB (6 << 1)
|
|
#define AK4458_DIF_32BIT_I2S (7 << 1)
|
|
|
|
/* AK4458_00_CONTROL1 (0x00) D0 bit */
|
|
#define AK4458_RSTN_MASK GENMASK(0, 0)
|
|
#define AK4458_RSTN (0x1 << 0)
|
|
|
|
/* AK4458_0A_CONTROL6 Mode bits */
|
|
#define AK4458_MODE_SHIFT 6
|
|
#define AK4458_MODE_MASK GENMASK(7, 6)
|
|
#define AK4458_MODE_NORMAL (0 << AK4458_MODE_SHIFT)
|
|
#define AK4458_MODE_TDM128 (1 << AK4458_MODE_SHIFT)
|
|
#define AK4458_MODE_TDM256 (2 << AK4458_MODE_SHIFT)
|
|
#define AK4458_MODE_TDM512 (3 << AK4458_MODE_SHIFT)
|
|
|
|
/* DAC Digital attenuator transition time setting
|
|
* Table 19
|
|
* Mode ATS1 ATS2 ATT speed
|
|
* 0 0 0 4080/fs
|
|
* 1 0 1 2040/fs
|
|
* 2 1 0 510/fs
|
|
* 3 1 1 255/fs
|
|
* */
|
|
#define AK4458_ATS_SHIFT 6
|
|
#define AK4458_ATS_MASK GENMASK(7, 6)
|
|
#define AK4458_DCHAIN_MASK (0x1 << 1)
|
|
|
|
#define AK4458_DSDSEL_MASK (0x1 << 0)
|
|
#define AK4458_DP_MASK (0x1 << 7)
|
|
|
|
#endif
|