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The TAS6424 incorporates both DC-load and AC-load diagnostics which are used to determine the status of the load. The DC diagnostics runs when any channel is directed to leave the Hi-Z state and enter the MUTE or PLAY state. The DC diagnostics are turned on by default but, if a fast startup without diagnostics is required, the diagnostics can be disabled using a dedicated ALSA control. Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com> Signed-off-by: Mark Brown <broonie@kernel.org>
149 lines
5.0 KiB
C
149 lines
5.0 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* ALSA SoC Texas Instruments TAS6424 Quad-Channel Audio Amplifier
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*
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* Copyright (C) 2016-2017 Texas Instruments Incorporated - http://www.ti.com/
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* Author: Andreas Dannenberg <dannenberg@ti.com>
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* Andrew F. Davis <afd@ti.com>
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*/
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#ifndef __TAS6424_H__
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#define __TAS6424_H__
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#define TAS6424_RATES (SNDRV_PCM_RATE_44100 | \
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SNDRV_PCM_RATE_48000 | \
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SNDRV_PCM_RATE_96000)
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#define TAS6424_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \
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SNDRV_PCM_FMTBIT_S24_LE)
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/* Register Address Map */
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#define TAS6424_MODE_CTRL 0x00
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#define TAS6424_MISC_CTRL1 0x01
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#define TAS6424_MISC_CTRL2 0x02
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#define TAS6424_SAP_CTRL 0x03
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#define TAS6424_CH_STATE_CTRL 0x04
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#define TAS6424_CH1_VOL_CTRL 0x05
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#define TAS6424_CH2_VOL_CTRL 0x06
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#define TAS6424_CH3_VOL_CTRL 0x07
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#define TAS6424_CH4_VOL_CTRL 0x08
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#define TAS6424_DC_DIAG_CTRL1 0x09
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#define TAS6424_DC_DIAG_CTRL2 0x0a
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#define TAS6424_DC_DIAG_CTRL3 0x0b
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#define TAS6424_DC_LOAD_DIAG_REP12 0x0c
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#define TAS6424_DC_LOAD_DIAG_REP34 0x0d
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#define TAS6424_DC_LOAD_DIAG_REPLO 0x0e
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#define TAS6424_CHANNEL_STATE 0x0f
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#define TAS6424_CHANNEL_FAULT 0x10
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#define TAS6424_GLOB_FAULT1 0x11
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#define TAS6424_GLOB_FAULT2 0x12
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#define TAS6424_WARN 0x13
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#define TAS6424_PIN_CTRL 0x14
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#define TAS6424_AC_DIAG_CTRL1 0x15
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#define TAS6424_AC_DIAG_CTRL2 0x16
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#define TAS6424_AC_LOAD_DIAG_REP1 0x17
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#define TAS6424_AC_LOAD_DIAG_REP2 0x18
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#define TAS6424_AC_LOAD_DIAG_REP3 0x19
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#define TAS6424_AC_LOAD_DIAG_REP4 0x1a
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#define TAS6424_MISC_CTRL3 0x21
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#define TAS6424_CLIP_CTRL 0x22
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#define TAS6424_CLIP_WINDOW 0x23
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#define TAS6424_CLIP_WARN 0x24
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#define TAS6424_CBC_STAT 0x25
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#define TAS6424_MISC_CTRL4 0x26
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#define TAS6424_MAX TAS6424_MISC_CTRL4
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/* TAS6424_MODE_CTRL_REG */
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#define TAS6424_RESET BIT(7)
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/* TAS6424_SAP_CTRL_REG */
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#define TAS6424_SAP_RATE_MASK GENMASK(7, 6)
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#define TAS6424_SAP_RATE_44100 (0x00 << 6)
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#define TAS6424_SAP_RATE_48000 (0x01 << 6)
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#define TAS6424_SAP_RATE_96000 (0x02 << 6)
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#define TAS6424_SAP_TDM_SLOT_LAST BIT(5)
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#define TAS6424_SAP_TDM_SLOT_SZ_16 BIT(4)
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#define TAS6424_SAP_TDM_SLOT_SWAP BIT(3)
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#define TAS6424_SAP_FMT_MASK GENMASK(2, 0)
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#define TAS6424_SAP_RIGHTJ_24 (0x00 << 0)
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#define TAS6424_SAP_RIGHTJ_20 (0x01 << 0)
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#define TAS6424_SAP_RIGHTJ_18 (0x02 << 0)
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#define TAS6424_SAP_RIGHTJ_16 (0x03 << 0)
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#define TAS6424_SAP_I2S (0x04 << 0)
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#define TAS6424_SAP_LEFTJ (0x05 << 0)
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#define TAS6424_SAP_DSP (0x06 << 0)
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/* TAS6424_CH_STATE_CTRL_REG */
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#define TAS6424_CH1_STATE_MASK GENMASK(7, 6)
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#define TAS6424_CH1_STATE_PLAY (0x00 << 6)
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#define TAS6424_CH1_STATE_HIZ (0x01 << 6)
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#define TAS6424_CH1_STATE_MUTE (0x02 << 6)
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#define TAS6424_CH1_STATE_DIAG (0x03 << 6)
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#define TAS6424_CH2_STATE_MASK GENMASK(5, 4)
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#define TAS6424_CH2_STATE_PLAY (0x00 << 4)
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#define TAS6424_CH2_STATE_HIZ (0x01 << 4)
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#define TAS6424_CH2_STATE_MUTE (0x02 << 4)
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#define TAS6424_CH2_STATE_DIAG (0x03 << 4)
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#define TAS6424_CH3_STATE_MASK GENMASK(3, 2)
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#define TAS6424_CH3_STATE_PLAY (0x00 << 2)
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#define TAS6424_CH3_STATE_HIZ (0x01 << 2)
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#define TAS6424_CH3_STATE_MUTE (0x02 << 2)
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#define TAS6424_CH3_STATE_DIAG (0x03 << 2)
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#define TAS6424_CH4_STATE_MASK GENMASK(1, 0)
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#define TAS6424_CH4_STATE_PLAY (0x00 << 0)
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#define TAS6424_CH4_STATE_HIZ (0x01 << 0)
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#define TAS6424_CH4_STATE_MUTE (0x02 << 0)
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#define TAS6424_CH4_STATE_DIAG (0x03 << 0)
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#define TAS6424_ALL_STATE_PLAY (TAS6424_CH1_STATE_PLAY | \
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TAS6424_CH2_STATE_PLAY | \
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TAS6424_CH3_STATE_PLAY | \
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TAS6424_CH4_STATE_PLAY)
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#define TAS6424_ALL_STATE_HIZ (TAS6424_CH1_STATE_HIZ | \
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TAS6424_CH2_STATE_HIZ | \
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TAS6424_CH3_STATE_HIZ | \
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TAS6424_CH4_STATE_HIZ)
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#define TAS6424_ALL_STATE_MUTE (TAS6424_CH1_STATE_MUTE | \
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TAS6424_CH2_STATE_MUTE | \
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TAS6424_CH3_STATE_MUTE | \
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TAS6424_CH4_STATE_MUTE)
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#define TAS6424_ALL_STATE_DIAG (TAS6424_CH1_STATE_DIAG | \
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TAS6424_CH2_STATE_DIAG | \
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TAS6424_CH3_STATE_DIAG | \
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TAS6424_CH4_STATE_DIAG)
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/* TAS6424_DC_DIAG_CTRL1 */
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#define TAS6424_LDGBYPASS_SHIFT 0
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#define TAS6424_LDGBYPASS_MASK BIT(TAS6424_LDGBYPASS_SHIFT)
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/* TAS6424_GLOB_FAULT1_REG */
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#define TAS6424_FAULT_CLOCK BIT(4)
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#define TAS6424_FAULT_PVDD_OV BIT(3)
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#define TAS6424_FAULT_VBAT_OV BIT(2)
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#define TAS6424_FAULT_PVDD_UV BIT(1)
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#define TAS6424_FAULT_VBAT_UV BIT(0)
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/* TAS6424_GLOB_FAULT2_REG */
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#define TAS6424_FAULT_OTSD BIT(4)
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#define TAS6424_FAULT_OTSD_CH1 BIT(3)
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#define TAS6424_FAULT_OTSD_CH2 BIT(2)
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#define TAS6424_FAULT_OTSD_CH3 BIT(1)
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#define TAS6424_FAULT_OTSD_CH4 BIT(0)
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/* TAS6424_WARN_REG */
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#define TAS6424_WARN_VDD_UV BIT(6)
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#define TAS6424_WARN_VDD_POR BIT(5)
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#define TAS6424_WARN_VDD_OTW BIT(4)
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#define TAS6424_WARN_VDD_OTW_CH1 BIT(3)
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#define TAS6424_WARN_VDD_OTW_CH2 BIT(2)
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#define TAS6424_WARN_VDD_OTW_CH3 BIT(1)
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#define TAS6424_WARN_VDD_OTW_CH4 BIT(0)
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/* TAS6424_MISC_CTRL3_REG */
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#define TAS6424_CLEAR_FAULT BIT(7)
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#define TAS6424_PBTL_CH_SEL BIT(6)
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#define TAS6424_MASK_CBC_WARN BIT(5)
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#define TAS6424_MASK_VDD_UV BIT(4)
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#define TAS6424_OTSD_AUTO_RECOVERY BIT(3)
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#endif /* __TAS6424_H__ */
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