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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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c05f10f28e
There are two asrc module in imx8qm & imx8qxp, each module has different clock configuration, and the DMA type is EDMA. So in this patch, we define the new clocks, refine the clock map, and include struct fsl_asrc_soc_data for different soc usage. The EDMA channel is fixed with each dma request, one dma request corresponding to one dma channel. So we need to request dma channel with dma request of asrc module. Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com> Acked-by: Nicolin Chen <nicoleotsuka@gmail.com> Link: https://lore.kernel.org/r/f33dfe3157b5ab200e09ccbf9ab73d31fac6664b.1575452454.git.shengjiu.wang@nxp.com Signed-off-by: Mark Brown <broonie@kernel.org>
529 lines
18 KiB
C
529 lines
18 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* fsl_asrc.h - Freescale ASRC ALSA SoC header file
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*
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* Copyright (C) 2014 Freescale Semiconductor, Inc.
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*
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* Author: Nicolin Chen <nicoleotsuka@gmail.com>
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*/
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#ifndef _FSL_ASRC_H
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#define _FSL_ASRC_H
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#define IN 0
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#define OUT 1
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#define ASRC_DMA_BUFFER_NUM 2
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#define ASRC_INPUTFIFO_THRESHOLD 32
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#define ASRC_OUTPUTFIFO_THRESHOLD 32
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#define ASRC_FIFO_THRESHOLD_MIN 0
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#define ASRC_FIFO_THRESHOLD_MAX 63
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#define ASRC_DMA_BUFFER_SIZE (1024 * 48 * 4)
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#define ASRC_MAX_BUFFER_SIZE (1024 * 48)
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#define ASRC_OUTPUT_LAST_SAMPLE 8
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#define IDEAL_RATIO_RATE 1000000
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#define REG_ASRCTR 0x00
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#define REG_ASRIER 0x04
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#define REG_ASRCNCR 0x0C
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#define REG_ASRCFG 0x10
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#define REG_ASRCSR 0x14
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#define REG_ASRCDR1 0x18
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#define REG_ASRCDR2 0x1C
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#define REG_ASRCDR(i) ((i < 2) ? REG_ASRCDR1 : REG_ASRCDR2)
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#define REG_ASRSTR 0x20
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#define REG_ASRRA 0x24
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#define REG_ASRRB 0x28
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#define REG_ASRRC 0x2C
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#define REG_ASRPM1 0x40
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#define REG_ASRPM2 0x44
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#define REG_ASRPM3 0x48
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#define REG_ASRPM4 0x4C
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#define REG_ASRPM5 0x50
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#define REG_ASRTFR1 0x54
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#define REG_ASRCCR 0x5C
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#define REG_ASRDIA 0x60
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#define REG_ASRDOA 0x64
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#define REG_ASRDIB 0x68
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#define REG_ASRDOB 0x6C
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#define REG_ASRDIC 0x70
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#define REG_ASRDOC 0x74
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#define REG_ASRDI(i) (REG_ASRDIA + (i << 3))
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#define REG_ASRDO(i) (REG_ASRDOA + (i << 3))
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#define REG_ASRDx(x, i) ((x) == IN ? REG_ASRDI(i) : REG_ASRDO(i))
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#define REG_ASRIDRHA 0x80
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#define REG_ASRIDRLA 0x84
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#define REG_ASRIDRHB 0x88
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#define REG_ASRIDRLB 0x8C
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#define REG_ASRIDRHC 0x90
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#define REG_ASRIDRLC 0x94
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#define REG_ASRIDRH(i) (REG_ASRIDRHA + (i << 3))
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#define REG_ASRIDRL(i) (REG_ASRIDRLA + (i << 3))
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#define REG_ASR76K 0x98
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#define REG_ASR56K 0x9C
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#define REG_ASRMCRA 0xA0
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#define REG_ASRFSTA 0xA4
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#define REG_ASRMCRB 0xA8
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#define REG_ASRFSTB 0xAC
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#define REG_ASRMCRC 0xB0
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#define REG_ASRFSTC 0xB4
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#define REG_ASRMCR(i) (REG_ASRMCRA + (i << 3))
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#define REG_ASRFST(i) (REG_ASRFSTA + (i << 3))
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#define REG_ASRMCR1A 0xC0
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#define REG_ASRMCR1B 0xC4
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#define REG_ASRMCR1C 0xC8
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#define REG_ASRMCR1(i) (REG_ASRMCR1A + (i << 2))
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/* REG0 0x00 REG_ASRCTR */
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#define ASRCTR_ATSi_SHIFT(i) (20 + i)
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#define ASRCTR_ATSi_MASK(i) (1 << ASRCTR_ATSi_SHIFT(i))
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#define ASRCTR_ATS(i) (1 << ASRCTR_ATSi_SHIFT(i))
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#define ASRCTR_USRi_SHIFT(i) (14 + (i << 1))
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#define ASRCTR_USRi_MASK(i) (1 << ASRCTR_USRi_SHIFT(i))
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#define ASRCTR_USR(i) (1 << ASRCTR_USRi_SHIFT(i))
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#define ASRCTR_IDRi_SHIFT(i) (13 + (i << 1))
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#define ASRCTR_IDRi_MASK(i) (1 << ASRCTR_IDRi_SHIFT(i))
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#define ASRCTR_IDR(i) (1 << ASRCTR_IDRi_SHIFT(i))
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#define ASRCTR_SRST_SHIFT 4
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#define ASRCTR_SRST_MASK (1 << ASRCTR_SRST_SHIFT)
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#define ASRCTR_SRST (1 << ASRCTR_SRST_SHIFT)
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#define ASRCTR_ASRCEi_SHIFT(i) (1 + i)
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#define ASRCTR_ASRCEi_MASK(i) (1 << ASRCTR_ASRCEi_SHIFT(i))
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#define ASRCTR_ASRCE(i) (1 << ASRCTR_ASRCEi_SHIFT(i))
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#define ASRCTR_ASRCEi_ALL_MASK (0x7 << ASRCTR_ASRCEi_SHIFT(0))
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#define ASRCTR_ASRCEN_SHIFT 0
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#define ASRCTR_ASRCEN_MASK (1 << ASRCTR_ASRCEN_SHIFT)
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#define ASRCTR_ASRCEN (1 << ASRCTR_ASRCEN_SHIFT)
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/* REG1 0x04 REG_ASRIER */
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#define ASRIER_AFPWE_SHIFT 7
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#define ASRIER_AFPWE_MASK (1 << ASRIER_AFPWE_SHIFT)
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#define ASRIER_AFPWE (1 << ASRIER_AFPWE_SHIFT)
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#define ASRIER_AOLIE_SHIFT 6
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#define ASRIER_AOLIE_MASK (1 << ASRIER_AOLIE_SHIFT)
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#define ASRIER_AOLIE (1 << ASRIER_AOLIE_SHIFT)
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#define ASRIER_ADOEi_SHIFT(i) (3 + i)
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#define ASRIER_ADOEi_MASK(i) (1 << ASRIER_ADOEi_SHIFT(i))
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#define ASRIER_ADOE(i) (1 << ASRIER_ADOEi_SHIFT(i))
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#define ASRIER_ADIEi_SHIFT(i) (0 + i)
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#define ASRIER_ADIEi_MASK(i) (1 << ASRIER_ADIEi_SHIFT(i))
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#define ASRIER_ADIE(i) (1 << ASRIER_ADIEi_SHIFT(i))
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/* REG2 0x0C REG_ASRCNCR */
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#define ASRCNCR_ANCi_SHIFT(i, b) (b * i)
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#define ASRCNCR_ANCi_MASK(i, b) (((1 << b) - 1) << ASRCNCR_ANCi_SHIFT(i, b))
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#define ASRCNCR_ANCi(i, v, b) ((v << ASRCNCR_ANCi_SHIFT(i, b)) & ASRCNCR_ANCi_MASK(i, b))
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/* REG3 0x10 REG_ASRCFG */
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#define ASRCFG_INIRQi_SHIFT(i) (21 + i)
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#define ASRCFG_INIRQi_MASK(i) (1 << ASRCFG_INIRQi_SHIFT(i))
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#define ASRCFG_INIRQi (1 << ASRCFG_INIRQi_SHIFT(i))
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#define ASRCFG_NDPRi_SHIFT(i) (18 + i)
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#define ASRCFG_NDPRi_MASK(i) (1 << ASRCFG_NDPRi_SHIFT(i))
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#define ASRCFG_NDPRi_ALL_SHIFT 18
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#define ASRCFG_NDPRi_ALL_MASK (7 << ASRCFG_NDPRi_ALL_SHIFT)
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#define ASRCFG_NDPRi (1 << ASRCFG_NDPRi_SHIFT(i))
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#define ASRCFG_POSTMODi_SHIFT(i) (8 + (i << 2))
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#define ASRCFG_POSTMODi_WIDTH 2
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#define ASRCFG_POSTMODi_MASK(i) (((1 << ASRCFG_POSTMODi_WIDTH) - 1) << ASRCFG_POSTMODi_SHIFT(i))
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#define ASRCFG_POSTMODi_ALL_MASK (ASRCFG_POSTMODi_MASK(0) | ASRCFG_POSTMODi_MASK(1) | ASRCFG_POSTMODi_MASK(2))
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#define ASRCFG_POSTMOD(i, v) ((v) << ASRCFG_POSTMODi_SHIFT(i))
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#define ASRCFG_POSTMODi_UP(i) (0 << ASRCFG_POSTMODi_SHIFT(i))
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#define ASRCFG_POSTMODi_DCON(i) (1 << ASRCFG_POSTMODi_SHIFT(i))
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#define ASRCFG_POSTMODi_DOWN(i) (2 << ASRCFG_POSTMODi_SHIFT(i))
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#define ASRCFG_PREMODi_SHIFT(i) (6 + (i << 2))
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#define ASRCFG_PREMODi_WIDTH 2
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#define ASRCFG_PREMODi_MASK(i) (((1 << ASRCFG_PREMODi_WIDTH) - 1) << ASRCFG_PREMODi_SHIFT(i))
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#define ASRCFG_PREMODi_ALL_MASK (ASRCFG_PREMODi_MASK(0) | ASRCFG_PREMODi_MASK(1) | ASRCFG_PREMODi_MASK(2))
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#define ASRCFG_PREMOD(i, v) ((v) << ASRCFG_PREMODi_SHIFT(i))
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#define ASRCFG_PREMODi_UP(i) (0 << ASRCFG_PREMODi_SHIFT(i))
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#define ASRCFG_PREMODi_DCON(i) (1 << ASRCFG_PREMODi_SHIFT(i))
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#define ASRCFG_PREMODi_DOWN(i) (2 << ASRCFG_PREMODi_SHIFT(i))
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#define ASRCFG_PREMODi_BYPASS(i) (3 << ASRCFG_PREMODi_SHIFT(i))
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/* REG4 0x14 REG_ASRCSR */
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#define ASRCSR_AxCSi_WIDTH 4
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#define ASRCSR_AxCSi_MASK ((1 << ASRCSR_AxCSi_WIDTH) - 1)
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#define ASRCSR_AOCSi_SHIFT(i) (12 + (i << 2))
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#define ASRCSR_AOCSi_MASK(i) (((1 << ASRCSR_AxCSi_WIDTH) - 1) << ASRCSR_AOCSi_SHIFT(i))
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#define ASRCSR_AOCS(i, v) ((v) << ASRCSR_AOCSi_SHIFT(i))
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#define ASRCSR_AICSi_SHIFT(i) (i << 2)
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#define ASRCSR_AICSi_MASK(i) (((1 << ASRCSR_AxCSi_WIDTH) - 1) << ASRCSR_AICSi_SHIFT(i))
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#define ASRCSR_AICS(i, v) ((v) << ASRCSR_AICSi_SHIFT(i))
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/* REG5&6 0x18 & 0x1C REG_ASRCDR1 & ASRCDR2 */
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#define ASRCDRi_AxCPi_WIDTH 3
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#define ASRCDRi_AICPi_SHIFT(i) (0 + (i % 2) * 6)
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#define ASRCDRi_AICPi_MASK(i) (((1 << ASRCDRi_AxCPi_WIDTH) - 1) << ASRCDRi_AICPi_SHIFT(i))
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#define ASRCDRi_AICP(i, v) ((v) << ASRCDRi_AICPi_SHIFT(i))
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#define ASRCDRi_AICDi_SHIFT(i) (3 + (i % 2) * 6)
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#define ASRCDRi_AICDi_MASK(i) (((1 << ASRCDRi_AxCPi_WIDTH) - 1) << ASRCDRi_AICDi_SHIFT(i))
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#define ASRCDRi_AICD(i, v) ((v) << ASRCDRi_AICDi_SHIFT(i))
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#define ASRCDRi_AOCPi_SHIFT(i) ((i < 2) ? 12 + i * 6 : 6)
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#define ASRCDRi_AOCPi_MASK(i) (((1 << ASRCDRi_AxCPi_WIDTH) - 1) << ASRCDRi_AOCPi_SHIFT(i))
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#define ASRCDRi_AOCP(i, v) ((v) << ASRCDRi_AOCPi_SHIFT(i))
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#define ASRCDRi_AOCDi_SHIFT(i) ((i < 2) ? 15 + i * 6 : 9)
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#define ASRCDRi_AOCDi_MASK(i) (((1 << ASRCDRi_AxCPi_WIDTH) - 1) << ASRCDRi_AOCDi_SHIFT(i))
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#define ASRCDRi_AOCD(i, v) ((v) << ASRCDRi_AOCDi_SHIFT(i))
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/* REG7 0x20 REG_ASRSTR */
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#define ASRSTR_DSLCNT_SHIFT 21
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#define ASRSTR_DSLCNT_MASK (1 << ASRSTR_DSLCNT_SHIFT)
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#define ASRSTR_DSLCNT (1 << ASRSTR_DSLCNT_SHIFT)
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#define ASRSTR_ATQOL_SHIFT 20
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#define ASRSTR_ATQOL_MASK (1 << ASRSTR_ATQOL_SHIFT)
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#define ASRSTR_ATQOL (1 << ASRSTR_ATQOL_SHIFT)
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#define ASRSTR_AOOLi_SHIFT(i) (17 + i)
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#define ASRSTR_AOOLi_MASK(i) (1 << ASRSTR_AOOLi_SHIFT(i))
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#define ASRSTR_AOOL(i) (1 << ASRSTR_AOOLi_SHIFT(i))
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#define ASRSTR_AIOLi_SHIFT(i) (14 + i)
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#define ASRSTR_AIOLi_MASK(i) (1 << ASRSTR_AIOLi_SHIFT(i))
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#define ASRSTR_AIOL(i) (1 << ASRSTR_AIOLi_SHIFT(i))
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#define ASRSTR_AODOi_SHIFT(i) (11 + i)
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#define ASRSTR_AODOi_MASK(i) (1 << ASRSTR_AODOi_SHIFT(i))
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#define ASRSTR_AODO(i) (1 << ASRSTR_AODOi_SHIFT(i))
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#define ASRSTR_AIDUi_SHIFT(i) (8 + i)
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#define ASRSTR_AIDUi_MASK(i) (1 << ASRSTR_AIDUi_SHIFT(i))
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#define ASRSTR_AIDU(i) (1 << ASRSTR_AIDUi_SHIFT(i))
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#define ASRSTR_FPWT_SHIFT 7
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#define ASRSTR_FPWT_MASK (1 << ASRSTR_FPWT_SHIFT)
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#define ASRSTR_FPWT (1 << ASRSTR_FPWT_SHIFT)
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#define ASRSTR_AOLE_SHIFT 6
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#define ASRSTR_AOLE_MASK (1 << ASRSTR_AOLE_SHIFT)
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#define ASRSTR_AOLE (1 << ASRSTR_AOLE_SHIFT)
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#define ASRSTR_AODEi_SHIFT(i) (3 + i)
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#define ASRSTR_AODFi_MASK(i) (1 << ASRSTR_AODEi_SHIFT(i))
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#define ASRSTR_AODF(i) (1 << ASRSTR_AODEi_SHIFT(i))
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#define ASRSTR_AIDEi_SHIFT(i) (0 + i)
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#define ASRSTR_AIDEi_MASK(i) (1 << ASRSTR_AIDEi_SHIFT(i))
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#define ASRSTR_AIDE(i) (1 << ASRSTR_AIDEi_SHIFT(i))
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/* REG10 0x54 REG_ASRTFR1 */
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#define ASRTFR1_TF_BASE_WIDTH 7
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#define ASRTFR1_TF_BASE_SHIFT 6
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#define ASRTFR1_TF_BASE_MASK (((1 << ASRTFR1_TF_BASE_WIDTH) - 1) << ASRTFR1_TF_BASE_SHIFT)
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#define ASRTFR1_TF_BASE(i) ((i) << ASRTFR1_TF_BASE_SHIFT)
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/*
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* REG22 0xA0 REG_ASRMCRA
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* REG24 0xA8 REG_ASRMCRB
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* REG26 0xB0 REG_ASRMCRC
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*/
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#define ASRMCRi_ZEROBUFi_SHIFT 23
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#define ASRMCRi_ZEROBUFi_MASK (1 << ASRMCRi_ZEROBUFi_SHIFT)
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#define ASRMCRi_ZEROBUFi (1 << ASRMCRi_ZEROBUFi_SHIFT)
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#define ASRMCRi_EXTTHRSHi_SHIFT 22
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#define ASRMCRi_EXTTHRSHi_MASK (1 << ASRMCRi_EXTTHRSHi_SHIFT)
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#define ASRMCRi_EXTTHRSHi (1 << ASRMCRi_EXTTHRSHi_SHIFT)
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#define ASRMCRi_BUFSTALLi_SHIFT 21
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#define ASRMCRi_BUFSTALLi_MASK (1 << ASRMCRi_BUFSTALLi_SHIFT)
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#define ASRMCRi_BUFSTALLi (1 << ASRMCRi_BUFSTALLi_SHIFT)
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#define ASRMCRi_BYPASSPOLYi_SHIFT 20
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#define ASRMCRi_BYPASSPOLYi_MASK (1 << ASRMCRi_BYPASSPOLYi_SHIFT)
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#define ASRMCRi_BYPASSPOLYi (1 << ASRMCRi_BYPASSPOLYi_SHIFT)
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#define ASRMCRi_OUTFIFO_THRESHOLD_WIDTH 6
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#define ASRMCRi_OUTFIFO_THRESHOLD_SHIFT 12
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#define ASRMCRi_OUTFIFO_THRESHOLD_MASK (((1 << ASRMCRi_OUTFIFO_THRESHOLD_WIDTH) - 1) << ASRMCRi_OUTFIFO_THRESHOLD_SHIFT)
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#define ASRMCRi_OUTFIFO_THRESHOLD(v) (((v) << ASRMCRi_OUTFIFO_THRESHOLD_SHIFT) & ASRMCRi_OUTFIFO_THRESHOLD_MASK)
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#define ASRMCRi_RSYNIFi_SHIFT 11
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#define ASRMCRi_RSYNIFi_MASK (1 << ASRMCRi_RSYNIFi_SHIFT)
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#define ASRMCRi_RSYNIFi (1 << ASRMCRi_RSYNIFi_SHIFT)
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#define ASRMCRi_RSYNOFi_SHIFT 10
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#define ASRMCRi_RSYNOFi_MASK (1 << ASRMCRi_RSYNOFi_SHIFT)
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#define ASRMCRi_RSYNOFi (1 << ASRMCRi_RSYNOFi_SHIFT)
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#define ASRMCRi_INFIFO_THRESHOLD_WIDTH 6
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#define ASRMCRi_INFIFO_THRESHOLD_SHIFT 0
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#define ASRMCRi_INFIFO_THRESHOLD_MASK (((1 << ASRMCRi_INFIFO_THRESHOLD_WIDTH) - 1) << ASRMCRi_INFIFO_THRESHOLD_SHIFT)
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#define ASRMCRi_INFIFO_THRESHOLD(v) (((v) << ASRMCRi_INFIFO_THRESHOLD_SHIFT) & ASRMCRi_INFIFO_THRESHOLD_MASK)
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/*
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* REG23 0xA4 REG_ASRFSTA
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* REG25 0xAC REG_ASRFSTB
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* REG27 0xB4 REG_ASRFSTC
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*/
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#define ASRFSTi_OAFi_SHIFT 23
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#define ASRFSTi_OAFi_MASK (1 << ASRFSTi_OAFi_SHIFT)
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#define ASRFSTi_OAFi (1 << ASRFSTi_OAFi_SHIFT)
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#define ASRFSTi_OUTPUT_FIFO_WIDTH 7
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#define ASRFSTi_OUTPUT_FIFO_SHIFT 12
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#define ASRFSTi_OUTPUT_FIFO_MASK (((1 << ASRFSTi_OUTPUT_FIFO_WIDTH) - 1) << ASRFSTi_OUTPUT_FIFO_SHIFT)
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#define ASRFSTi_IAEi_SHIFT 11
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#define ASRFSTi_IAEi_MASK (1 << ASRFSTi_IAEi_SHIFT)
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#define ASRFSTi_IAEi (1 << ASRFSTi_IAEi_SHIFT)
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#define ASRFSTi_INPUT_FIFO_WIDTH 7
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#define ASRFSTi_INPUT_FIFO_SHIFT 0
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#define ASRFSTi_INPUT_FIFO_MASK ((1 << ASRFSTi_INPUT_FIFO_WIDTH) - 1)
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/* REG28 0xC0 & 0xC4 & 0xC8 REG_ASRMCR1i */
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#define ASRMCR1i_IWD_WIDTH 3
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#define ASRMCR1i_IWD_SHIFT 9
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#define ASRMCR1i_IWD_MASK (((1 << ASRMCR1i_IWD_WIDTH) - 1) << ASRMCR1i_IWD_SHIFT)
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#define ASRMCR1i_IWD(v) ((v) << ASRMCR1i_IWD_SHIFT)
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#define ASRMCR1i_IMSB_SHIFT 8
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#define ASRMCR1i_IMSB_MASK (1 << ASRMCR1i_IMSB_SHIFT)
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#define ASRMCR1i_IMSB_MSB (1 << ASRMCR1i_IMSB_SHIFT)
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#define ASRMCR1i_IMSB_LSB (0 << ASRMCR1i_IMSB_SHIFT)
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#define ASRMCR1i_OMSB_SHIFT 2
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#define ASRMCR1i_OMSB_MASK (1 << ASRMCR1i_OMSB_SHIFT)
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#define ASRMCR1i_OMSB_MSB (1 << ASRMCR1i_OMSB_SHIFT)
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#define ASRMCR1i_OMSB_LSB (0 << ASRMCR1i_OMSB_SHIFT)
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#define ASRMCR1i_OSGN_SHIFT 1
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#define ASRMCR1i_OSGN_MASK (1 << ASRMCR1i_OSGN_SHIFT)
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#define ASRMCR1i_OSGN (1 << ASRMCR1i_OSGN_SHIFT)
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#define ASRMCR1i_OW16_SHIFT 0
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#define ASRMCR1i_OW16_MASK (1 << ASRMCR1i_OW16_SHIFT)
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#define ASRMCR1i_OW16(v) ((v) << ASRMCR1i_OW16_SHIFT)
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enum asrc_pair_index {
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ASRC_INVALID_PAIR = -1,
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ASRC_PAIR_A = 0,
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ASRC_PAIR_B = 1,
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ASRC_PAIR_C = 2,
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};
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#define ASRC_PAIR_MAX_NUM (ASRC_PAIR_C + 1)
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enum asrc_inclk {
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INCLK_NONE = 0x03,
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INCLK_ESAI_RX = 0x00,
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INCLK_SSI1_RX = 0x01,
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INCLK_SSI2_RX = 0x02,
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INCLK_SSI3_RX = 0x07,
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INCLK_SPDIF_RX = 0x04,
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INCLK_MLB_CLK = 0x05,
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INCLK_PAD = 0x06,
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INCLK_ESAI_TX = 0x08,
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INCLK_SSI1_TX = 0x09,
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INCLK_SSI2_TX = 0x0a,
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INCLK_SSI3_TX = 0x0b,
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INCLK_SPDIF_TX = 0x0c,
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INCLK_ASRCK1_CLK = 0x0f,
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/* clocks for imx8 */
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INCLK_AUD_PLL_DIV_CLK0 = 0x10,
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INCLK_AUD_PLL_DIV_CLK1 = 0x11,
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INCLK_AUD_CLK0 = 0x12,
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INCLK_AUD_CLK1 = 0x13,
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INCLK_ESAI0_RX_CLK = 0x14,
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INCLK_ESAI0_TX_CLK = 0x15,
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INCLK_SPDIF0_RX = 0x16,
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INCLK_SPDIF1_RX = 0x17,
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INCLK_SAI0_RX_BCLK = 0x18,
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INCLK_SAI0_TX_BCLK = 0x19,
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INCLK_SAI1_RX_BCLK = 0x1a,
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INCLK_SAI1_TX_BCLK = 0x1b,
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INCLK_SAI2_RX_BCLK = 0x1c,
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INCLK_SAI3_RX_BCLK = 0x1d,
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INCLK_ASRC0_MUX_CLK = 0x1e,
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INCLK_ESAI1_RX_CLK = 0x20,
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INCLK_ESAI1_TX_CLK = 0x21,
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INCLK_SAI6_TX_BCLK = 0x22,
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INCLK_HDMI_RX_SAI0_RX_BCLK = 0x24,
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INCLK_HDMI_TX_SAI0_TX_BCLK = 0x25,
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};
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enum asrc_outclk {
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OUTCLK_NONE = 0x03,
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OUTCLK_ESAI_TX = 0x00,
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OUTCLK_SSI1_TX = 0x01,
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OUTCLK_SSI2_TX = 0x02,
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OUTCLK_SSI3_TX = 0x07,
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OUTCLK_SPDIF_TX = 0x04,
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OUTCLK_MLB_CLK = 0x05,
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OUTCLK_PAD = 0x06,
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OUTCLK_ESAI_RX = 0x08,
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OUTCLK_SSI1_RX = 0x09,
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OUTCLK_SSI2_RX = 0x0a,
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OUTCLK_SSI3_RX = 0x0b,
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OUTCLK_SPDIF_RX = 0x0c,
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OUTCLK_ASRCK1_CLK = 0x0f,
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/* clocks for imx8 */
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OUTCLK_AUD_PLL_DIV_CLK0 = 0x10,
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OUTCLK_AUD_PLL_DIV_CLK1 = 0x11,
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OUTCLK_AUD_CLK0 = 0x12,
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OUTCLK_AUD_CLK1 = 0x13,
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OUTCLK_ESAI0_RX_CLK = 0x14,
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OUTCLK_ESAI0_TX_CLK = 0x15,
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OUTCLK_SPDIF0_RX = 0x16,
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OUTCLK_SPDIF1_RX = 0x17,
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OUTCLK_SAI0_RX_BCLK = 0x18,
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OUTCLK_SAI0_TX_BCLK = 0x19,
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OUTCLK_SAI1_RX_BCLK = 0x1a,
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OUTCLK_SAI1_TX_BCLK = 0x1b,
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OUTCLK_SAI2_RX_BCLK = 0x1c,
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OUTCLK_SAI3_RX_BCLK = 0x1d,
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OUTCLK_ASRCO_MUX_CLK = 0x1e,
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OUTCLK_ESAI1_RX_CLK = 0x20,
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OUTCLK_ESAI1_TX_CLK = 0x21,
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OUTCLK_SAI6_TX_BCLK = 0x22,
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OUTCLK_HDMI_RX_SAI0_RX_BCLK = 0x24,
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OUTCLK_HDMI_TX_SAI0_TX_BCLK = 0x25,
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};
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#define ASRC_CLK_MAX_NUM 16
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#define ASRC_CLK_MAP_LEN 0x30
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enum asrc_word_width {
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ASRC_WIDTH_24_BIT = 0,
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ASRC_WIDTH_16_BIT = 1,
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ASRC_WIDTH_8_BIT = 2,
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};
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struct asrc_config {
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enum asrc_pair_index pair;
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unsigned int channel_num;
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unsigned int buffer_num;
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unsigned int dma_buffer_size;
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unsigned int input_sample_rate;
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unsigned int output_sample_rate;
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snd_pcm_format_t input_format;
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snd_pcm_format_t output_format;
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enum asrc_inclk inclk;
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enum asrc_outclk outclk;
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};
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struct asrc_req {
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unsigned int chn_num;
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enum asrc_pair_index index;
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};
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struct asrc_querybuf {
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unsigned int buffer_index;
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unsigned int input_length;
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unsigned int output_length;
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unsigned long input_offset;
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unsigned long output_offset;
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};
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struct asrc_convert_buffer {
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void *input_buffer_vaddr;
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void *output_buffer_vaddr;
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unsigned int input_buffer_length;
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unsigned int output_buffer_length;
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};
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struct asrc_status_flags {
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enum asrc_pair_index index;
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unsigned int overload_error;
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};
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enum asrc_error_status {
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ASRC_TASK_Q_OVERLOAD = 0x01,
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ASRC_OUTPUT_TASK_OVERLOAD = 0x02,
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ASRC_INPUT_TASK_OVERLOAD = 0x04,
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ASRC_OUTPUT_BUFFER_OVERFLOW = 0x08,
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ASRC_INPUT_BUFFER_UNDERRUN = 0x10,
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};
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struct dma_block {
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dma_addr_t dma_paddr;
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void *dma_vaddr;
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unsigned int length;
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};
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/**
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* fsl_asrc_soc_data: soc specific data
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*
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* @use_edma: using edma as dma device or not
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* @channel_bits: width of ASRCNCR register for each pair
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*/
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struct fsl_asrc_soc_data {
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bool use_edma;
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unsigned int channel_bits;
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};
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/**
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* fsl_asrc_pair: ASRC Pair private data
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*
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* @asrc_priv: pointer to its parent module
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* @config: configuration profile
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* @error: error record
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* @index: pair index (ASRC_PAIR_A, ASRC_PAIR_B, ASRC_PAIR_C)
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* @channels: occupied channel number
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* @desc: input and output dma descriptors
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* @dma_chan: inputer and output DMA channels
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* @dma_data: private dma data
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* @pos: hardware pointer position
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* @private: pair private area
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*/
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struct fsl_asrc_pair {
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struct fsl_asrc *asrc_priv;
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struct asrc_config *config;
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unsigned int error;
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|
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enum asrc_pair_index index;
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unsigned int channels;
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|
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struct dma_async_tx_descriptor *desc[2];
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struct dma_chan *dma_chan[2];
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struct imx_dma_data dma_data;
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unsigned int pos;
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|
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void *private;
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};
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|
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/**
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* fsl_asrc_pair: ASRC private data
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*
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* @dma_params_rx: DMA parameters for receive channel
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* @dma_params_tx: DMA parameters for transmit channel
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* @pdev: platform device pointer
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* @regmap: regmap handler
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* @paddr: physical address to the base address of registers
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* @mem_clk: clock source to access register
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* @ipg_clk: clock source to drive peripheral
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* @spba_clk: SPBA clock (optional, depending on SoC design)
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* @asrck_clk: clock sources to driver ASRC internal logic
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* @lock: spin lock for resource protection
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* @pair: pair pointers
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* @soc: soc specific data
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* @channel_avail: non-occupied channel numbers
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* @clk_map: clock map for input/output clock
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* @asrc_rate: default sample rate for ASoC Back-Ends
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* @asrc_width: default sample width for ASoC Back-Ends
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* @regcache_cfg: store register value of REG_ASRCFG
|
|
*/
|
|
struct fsl_asrc {
|
|
struct snd_dmaengine_dai_dma_data dma_params_rx;
|
|
struct snd_dmaengine_dai_dma_data dma_params_tx;
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|
struct platform_device *pdev;
|
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struct regmap *regmap;
|
|
unsigned long paddr;
|
|
struct clk *mem_clk;
|
|
struct clk *ipg_clk;
|
|
struct clk *spba_clk;
|
|
struct clk *asrck_clk[ASRC_CLK_MAX_NUM];
|
|
spinlock_t lock;
|
|
|
|
struct fsl_asrc_pair *pair[ASRC_PAIR_MAX_NUM];
|
|
const struct fsl_asrc_soc_data *soc;
|
|
unsigned int channel_avail;
|
|
unsigned char *clk_map[2];
|
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|
|
int asrc_rate;
|
|
int asrc_width;
|
|
|
|
u32 regcache_cfg;
|
|
};
|
|
|
|
#define DRV_NAME "fsl-asrc-dai"
|
|
extern struct snd_soc_component_driver fsl_asrc_component;
|
|
struct dma_chan *fsl_asrc_get_dma_channel(struct fsl_asrc_pair *pair, bool dir);
|
|
int fsl_asrc_request_pair(int channels, struct fsl_asrc_pair *pair);
|
|
void fsl_asrc_release_pair(struct fsl_asrc_pair *pair);
|
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|
|
#endif /* _FSL_ASRC_H */
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