linux_dsm_epyc7002/sound/soc/fsl/fsl_easrc.h
Shengjiu Wang 955ac62405
ASoC: fsl_easrc: Add EASRC ASoC CPU DAI drivers
EASRC (Enhanced Asynchronous Sample Rate Converter) is a new IP module
found on i.MX8MN. It is different with old ASRC module.

The primary features for the EASRC are as follows:
- 4 Contexts - groups of channels with an independent time base
- Fully independent and concurrent context control
- Simultaneous processing of up to 32 audio channels
- Programmable filter charachteristics for each context
- 32, 24, 20, and 16-bit fixed point audio sample support
- 32-bit floating point audio sample support
- 8kHz to 384kHz sample rate
- 1/16 to 8x sample rate conversion ratio

Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Signed-off-by: Cosmin-Gabriel Samoila <cosmin.samoila@nxp.com>
Acked-by: Nicolin Chen <nicoleotsuka@gmail.com>
Link: https://lore.kernel.org/r/260d7a9fbddf9fa90760d30095df60a4c25fd0a1.1587038908.git.shengjiu.wang@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-04-21 16:34:11 +01:00

652 lines
24 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2019 NXP
*/
#ifndef _FSL_EASRC_H
#define _FSL_EASRC_H
#include <sound/asound.h>
#include <linux/platform_data/dma-imx.h>
#include "fsl_asrc_common.h"
/* EASRC Register Map */
/* ASRC Input Write FIFO */
#define REG_EASRC_WRFIFO(ctx) (0x000 + 4 * (ctx))
/* ASRC Output Read FIFO */
#define REG_EASRC_RDFIFO(ctx) (0x010 + 4 * (ctx))
/* ASRC Context Control */
#define REG_EASRC_CC(ctx) (0x020 + 4 * (ctx))
/* ASRC Context Control Extended 1 */
#define REG_EASRC_CCE1(ctx) (0x030 + 4 * (ctx))
/* ASRC Context Control Extended 2 */
#define REG_EASRC_CCE2(ctx) (0x040 + 4 * (ctx))
/* ASRC Control Input Access */
#define REG_EASRC_CIA(ctx) (0x050 + 4 * (ctx))
/* ASRC Datapath Processor Control Slot0 */
#define REG_EASRC_DPCS0R0(ctx) (0x060 + 4 * (ctx))
#define REG_EASRC_DPCS0R1(ctx) (0x070 + 4 * (ctx))
#define REG_EASRC_DPCS0R2(ctx) (0x080 + 4 * (ctx))
#define REG_EASRC_DPCS0R3(ctx) (0x090 + 4 * (ctx))
/* ASRC Datapath Processor Control Slot1 */
#define REG_EASRC_DPCS1R0(ctx) (0x0A0 + 4 * (ctx))
#define REG_EASRC_DPCS1R1(ctx) (0x0B0 + 4 * (ctx))
#define REG_EASRC_DPCS1R2(ctx) (0x0C0 + 4 * (ctx))
#define REG_EASRC_DPCS1R3(ctx) (0x0D0 + 4 * (ctx))
/* ASRC Context Output Control */
#define REG_EASRC_COC(ctx) (0x0E0 + 4 * (ctx))
/* ASRC Control Output Access */
#define REG_EASRC_COA(ctx) (0x0F0 + 4 * (ctx))
/* ASRC Sample FIFO Status */
#define REG_EASRC_SFS(ctx) (0x100 + 4 * (ctx))
/* ASRC Resampling Ratio Low */
#define REG_EASRC_RRL(ctx) (0x110 + 8 * (ctx))
/* ASRC Resampling Ratio High */
#define REG_EASRC_RRH(ctx) (0x114 + 8 * (ctx))
/* ASRC Resampling Ratio Update Control */
#define REG_EASRC_RUC(ctx) (0x130 + 4 * (ctx))
/* ASRC Resampling Ratio Update Rate */
#define REG_EASRC_RUR(ctx) (0x140 + 4 * (ctx))
/* ASRC Resampling Center Tap Coefficient Low */
#define REG_EASRC_RCTCL (0x150)
/* ASRC Resampling Center Tap Coefficient High */
#define REG_EASRC_RCTCH (0x154)
/* ASRC Prefilter Coefficient FIFO */
#define REG_EASRC_PCF(ctx) (0x160 + 4 * (ctx))
/* ASRC Context Resampling Coefficient Memory */
#define REG_EASRC_CRCM 0x170
/* ASRC Context Resampling Coefficient Control*/
#define REG_EASRC_CRCC 0x174
/* ASRC Interrupt Control */
#define REG_EASRC_IRQC 0x178
/* ASRC Interrupt Status Flags */
#define REG_EASRC_IRQF 0x17C
/* ASRC Channel Status 0 */
#define REG_EASRC_CS0(ctx) (0x180 + 4 * (ctx))
/* ASRC Channel Status 1 */
#define REG_EASRC_CS1(ctx) (0x190 + 4 * (ctx))
/* ASRC Channel Status 2 */
#define REG_EASRC_CS2(ctx) (0x1A0 + 4 * (ctx))
/* ASRC Channel Status 3 */
#define REG_EASRC_CS3(ctx) (0x1B0 + 4 * (ctx))
/* ASRC Channel Status 4 */
#define REG_EASRC_CS4(ctx) (0x1C0 + 4 * (ctx))
/* ASRC Channel Status 5 */
#define REG_EASRC_CS5(ctx) (0x1D0 + 4 * (ctx))
/* ASRC Debug Control Register */
#define REG_EASRC_DBGC 0x1E0
/* ASRC Debug Status Register */
#define REG_EASRC_DBGS 0x1E4
#define REG_EASRC_FIFO(x, ctx) (x == IN ? REG_EASRC_WRFIFO(ctx) \
: REG_EASRC_RDFIFO(ctx))
/* ASRC Context Control (CC) */
#define EASRC_CC_EN_SHIFT 31
#define EASRC_CC_EN_MASK BIT(EASRC_CC_EN_SHIFT)
#define EASRC_CC_EN BIT(EASRC_CC_EN_SHIFT)
#define EASRC_CC_STOP_SHIFT 29
#define EASRC_CC_STOP_MASK BIT(EASRC_CC_STOP_SHIFT)
#define EASRC_CC_STOP BIT(EASRC_CC_STOP_SHIFT)
#define EASRC_CC_FWMDE_SHIFT 28
#define EASRC_CC_FWMDE_MASK BIT(EASRC_CC_FWMDE_SHIFT)
#define EASRC_CC_FWMDE BIT(EASRC_CC_FWMDE_SHIFT)
#define EASRC_CC_FIFO_WTMK_SHIFT 16
#define EASRC_CC_FIFO_WTMK_WIDTH 7
#define EASRC_CC_FIFO_WTMK_MASK ((BIT(EASRC_CC_FIFO_WTMK_WIDTH) - 1) \
<< EASRC_CC_FIFO_WTMK_SHIFT)
#define EASRC_CC_FIFO_WTMK(v) (((v) << EASRC_CC_FIFO_WTMK_SHIFT) \
& EASRC_CC_FIFO_WTMK_MASK)
#define EASRC_CC_SAMPLE_POS_SHIFT 11
#define EASRC_CC_SAMPLE_POS_WIDTH 5
#define EASRC_CC_SAMPLE_POS_MASK ((BIT(EASRC_CC_SAMPLE_POS_WIDTH) - 1) \
<< EASRC_CC_SAMPLE_POS_SHIFT)
#define EASRC_CC_SAMPLE_POS(v) (((v) << EASRC_CC_SAMPLE_POS_SHIFT) \
& EASRC_CC_SAMPLE_POS_MASK)
#define EASRC_CC_ENDIANNESS_SHIFT 10
#define EASRC_CC_ENDIANNESS_MASK BIT(EASRC_CC_ENDIANNESS_SHIFT)
#define EASRC_CC_ENDIANNESS BIT(EASRC_CC_ENDIANNESS_SHIFT)
#define EASRC_CC_BPS_SHIFT 8
#define EASRC_CC_BPS_WIDTH 2
#define EASRC_CC_BPS_MASK ((BIT(EASRC_CC_BPS_WIDTH) - 1) \
<< EASRC_CC_BPS_SHIFT)
#define EASRC_CC_BPS(v) (((v) << EASRC_CC_BPS_SHIFT) \
& EASRC_CC_BPS_MASK)
#define EASRC_CC_FMT_SHIFT 7
#define EASRC_CC_FMT_MASK BIT(EASRC_CC_FMT_SHIFT)
#define EASRC_CC_FMT BIT(EASRC_CC_FMT_SHIFT)
#define EASRC_CC_INSIGN_SHIFT 6
#define EASRC_CC_INSIGN_MASK BIT(EASRC_CC_INSIGN_SHIFT)
#define EASRC_CC_INSIGN BIT(EASRC_CC_INSIGN_SHIFT)
#define EASRC_CC_CHEN_SHIFT 0
#define EASRC_CC_CHEN_WIDTH 5
#define EASRC_CC_CHEN_MASK ((BIT(EASRC_CC_CHEN_WIDTH) - 1) \
<< EASRC_CC_CHEN_SHIFT)
#define EASRC_CC_CHEN(v) (((v) << EASRC_CC_CHEN_SHIFT) \
& EASRC_CC_CHEN_MASK)
/* ASRC Context Control Extended 1 (CCE1) */
#define EASRC_CCE1_COEF_WS_SHIFT 25
#define EASRC_CCE1_COEF_WS_MASK BIT(EASRC_CCE1_COEF_WS_SHIFT)
#define EASRC_CCE1_COEF_WS BIT(EASRC_CCE1_COEF_WS_SHIFT)
#define EASRC_CCE1_COEF_MEM_RST_SHIFT 24
#define EASRC_CCE1_COEF_MEM_RST_MASK BIT(EASRC_CCE1_COEF_MEM_RST_SHIFT)
#define EASRC_CCE1_COEF_MEM_RST BIT(EASRC_CCE1_COEF_MEM_RST_SHIFT)
#define EASRC_CCE1_PF_EXP_SHIFT 16
#define EASRC_CCE1_PF_EXP_WIDTH 8
#define EASRC_CCE1_PF_EXP_MASK ((BIT(EASRC_CCE1_PF_EXP_WIDTH) - 1) \
<< EASRC_CCE1_PF_EXP_SHIFT)
#define EASRC_CCE1_PF_EXP(v) (((v) << EASRC_CCE1_PF_EXP_SHIFT) \
& EASRC_CCE1_PF_EXP_MASK)
#define EASRC_CCE1_PF_ST1_WBFP_SHIFT 9
#define EASRC_CCE1_PF_ST1_WBFP_MASK BIT(EASRC_CCE1_PF_ST1_WBFP_SHIFT)
#define EASRC_CCE1_PF_ST1_WBFP BIT(EASRC_CCE1_PF_ST1_WBFP_SHIFT)
#define EASRC_CCE1_PF_TSEN_SHIFT 8
#define EASRC_CCE1_PF_TSEN_MASK BIT(EASRC_CCE1_PF_TSEN_SHIFT)
#define EASRC_CCE1_PF_TSEN BIT(EASRC_CCE1_PF_TSEN_SHIFT)
#define EASRC_CCE1_RS_BYPASS_SHIFT 7
#define EASRC_CCE1_RS_BYPASS_MASK BIT(EASRC_CCE1_RS_BYPASS_SHIFT)
#define EASRC_CCE1_RS_BYPASS BIT(EASRC_CCE1_RS_BYPASS_SHIFT)
#define EASRC_CCE1_PF_BYPASS_SHIFT 6
#define EASRC_CCE1_PF_BYPASS_MASK BIT(EASRC_CCE1_PF_BYPASS_SHIFT)
#define EASRC_CCE1_PF_BYPASS BIT(EASRC_CCE1_PF_BYPASS_SHIFT)
#define EASRC_CCE1_RS_STOP_SHIFT 5
#define EASRC_CCE1_RS_STOP_MASK BIT(EASRC_CCE1_RS_STOP_SHIFT)
#define EASRC_CCE1_RS_STOP BIT(EASRC_CCE1_RS_STOP_SHIFT)
#define EASRC_CCE1_PF_STOP_SHIFT 4
#define EASRC_CCE1_PF_STOP_MASK BIT(EASRC_CCE1_PF_STOP_SHIFT)
#define EASRC_CCE1_PF_STOP BIT(EASRC_CCE1_PF_STOP_SHIFT)
#define EASRC_CCE1_RS_INIT_SHIFT 2
#define EASRC_CCE1_RS_INIT_WIDTH 2
#define EASRC_CCE1_RS_INIT_MASK ((BIT(EASRC_CCE1_RS_INIT_WIDTH) - 1) \
<< EASRC_CCE1_RS_INIT_SHIFT)
#define EASRC_CCE1_RS_INIT(v) (((v) << EASRC_CCE1_RS_INIT_SHIFT) \
& EASRC_CCE1_RS_INIT_MASK)
#define EASRC_CCE1_PF_INIT_SHIFT 0
#define EASRC_CCE1_PF_INIT_WIDTH 2
#define EASRC_CCE1_PF_INIT_MASK ((BIT(EASRC_CCE1_PF_INIT_WIDTH) - 1) \
<< EASRC_CCE1_PF_INIT_SHIFT)
#define EASRC_CCE1_PF_INIT(v) (((v) << EASRC_CCE1_PF_INIT_SHIFT) \
& EASRC_CCE1_PF_INIT_MASK)
/* ASRC Context Control Extended 2 (CCE2) */
#define EASRC_CCE2_ST2_TAPS_SHIFT 16
#define EASRC_CCE2_ST2_TAPS_WIDTH 9
#define EASRC_CCE2_ST2_TAPS_MASK ((BIT(EASRC_CCE2_ST2_TAPS_WIDTH) - 1) \
<< EASRC_CCE2_ST2_TAPS_SHIFT)
#define EASRC_CCE2_ST2_TAPS(v) (((v) << EASRC_CCE2_ST2_TAPS_SHIFT) \
& EASRC_CCE2_ST2_TAPS_MASK)
#define EASRC_CCE2_ST1_TAPS_SHIFT 0
#define EASRC_CCE2_ST1_TAPS_WIDTH 9
#define EASRC_CCE2_ST1_TAPS_MASK ((BIT(EASRC_CCE2_ST1_TAPS_WIDTH) - 1) \
<< EASRC_CCE2_ST1_TAPS_SHIFT)
#define EASRC_CCE2_ST1_TAPS(v) (((v) << EASRC_CCE2_ST1_TAPS_SHIFT) \
& EASRC_CCE2_ST1_TAPS_MASK)
/* ASRC Control Input Access (CIA) */
#define EASRC_CIA_ITER_SHIFT 16
#define EASRC_CIA_ITER_WIDTH 6
#define EASRC_CIA_ITER_MASK ((BIT(EASRC_CIA_ITER_WIDTH) - 1) \
<< EASRC_CIA_ITER_SHIFT)
#define EASRC_CIA_ITER(v) (((v) << EASRC_CIA_ITER_SHIFT) \
& EASRC_CIA_ITER_MASK)
#define EASRC_CIA_GRLEN_SHIFT 8
#define EASRC_CIA_GRLEN_WIDTH 6
#define EASRC_CIA_GRLEN_MASK ((BIT(EASRC_CIA_GRLEN_WIDTH) - 1) \
<< EASRC_CIA_GRLEN_SHIFT)
#define EASRC_CIA_GRLEN(v) (((v) << EASRC_CIA_GRLEN_SHIFT) \
& EASRC_CIA_GRLEN_MASK)
#define EASRC_CIA_ACCLEN_SHIFT 0
#define EASRC_CIA_ACCLEN_WIDTH 6
#define EASRC_CIA_ACCLEN_MASK ((BIT(EASRC_CIA_ACCLEN_WIDTH) - 1) \
<< EASRC_CIA_ACCLEN_SHIFT)
#define EASRC_CIA_ACCLEN(v) (((v) << EASRC_CIA_ACCLEN_SHIFT) \
& EASRC_CIA_ACCLEN_MASK)
/* ASRC Datapath Processor Control Slot0 Register0 (DPCS0R0) */
#define EASRC_DPCS0R0_MAXCH_SHIFT 24
#define EASRC_DPCS0R0_MAXCH_WIDTH 5
#define EASRC_DPCS0R0_MAXCH_MASK ((BIT(EASRC_DPCS0R0_MAXCH_WIDTH) - 1) \
<< EASRC_DPCS0R0_MAXCH_SHIFT)
#define EASRC_DPCS0R0_MAXCH(v) (((v) << EASRC_DPCS0R0_MAXCH_SHIFT) \
& EASRC_DPCS0R0_MAXCH_MASK)
#define EASRC_DPCS0R0_MINCH_SHIFT 16
#define EASRC_DPCS0R0_MINCH_WIDTH 5
#define EASRC_DPCS0R0_MINCH_MASK ((BIT(EASRC_DPCS0R0_MINCH_WIDTH) - 1) \
<< EASRC_DPCS0R0_MINCH_SHIFT)
#define EASRC_DPCS0R0_MINCH(v) (((v) << EASRC_DPCS0R0_MINCH_SHIFT) \
& EASRC_DPCS0R0_MINCH_MASK)
#define EASRC_DPCS0R0_NUMCH_SHIFT 8
#define EASRC_DPCS0R0_NUMCH_WIDTH 5
#define EASRC_DPCS0R0_NUMCH_MASK ((BIT(EASRC_DPCS0R0_NUMCH_WIDTH) - 1) \
<< EASRC_DPCS0R0_NUMCH_SHIFT)
#define EASRC_DPCS0R0_NUMCH(v) (((v) << EASRC_DPCS0R0_NUMCH_SHIFT) \
& EASRC_DPCS0R0_NUMCH_MASK)
#define EASRC_DPCS0R0_CTXNUM_SHIFT 1
#define EASRC_DPCS0R0_CTXNUM_WIDTH 2
#define EASRC_DPCS0R0_CTXNUM_MASK ((BIT(EASRC_DPCS0R0_CTXNUM_WIDTH) - 1) \
<< EASRC_DPCS0R0_CTXNUM_SHIFT)
#define EASRC_DPCS0R0_CTXNUM(v) (((v) << EASRC_DPCS0R0_CTXNUM_SHIFT) \
& EASRC_DPCS0R0_CTXNUM_MASK)
#define EASRC_DPCS0R0_EN_SHIFT 0
#define EASRC_DPCS0R0_EN_MASK BIT(EASRC_DPCS0R0_EN_SHIFT)
#define EASRC_DPCS0R0_EN BIT(EASRC_DPCS0R0_EN_SHIFT)
/* ASRC Datapath Processor Control Slot0 Register1 (DPCS0R1) */
#define EASRC_DPCS0R1_ST1_EXP_SHIFT 0
#define EASRC_DPCS0R1_ST1_EXP_WIDTH 13
#define EASRC_DPCS0R1_ST1_EXP_MASK ((BIT(EASRC_DPCS0R1_ST1_EXP_WIDTH) - 1) \
<< EASRC_DPCS0R1_ST1_EXP_SHIFT)
#define EASRC_DPCS0R1_ST1_EXP(v) (((v) << EASRC_DPCS0R1_ST1_EXP_SHIFT) \
& EASRC_DPCS0R1_ST1_EXP_MASK)
/* ASRC Datapath Processor Control Slot0 Register2 (DPCS0R2) */
#define EASRC_DPCS0R2_ST1_MA_SHIFT 16
#define EASRC_DPCS0R2_ST1_MA_WIDTH 13
#define EASRC_DPCS0R2_ST1_MA_MASK ((BIT(EASRC_DPCS0R2_ST1_MA_WIDTH) - 1) \
<< EASRC_DPCS0R2_ST1_MA_SHIFT)
#define EASRC_DPCS0R2_ST1_MA(v) (((v) << EASRC_DPCS0R2_ST1_MA_SHIFT) \
& EASRC_DPCS0R2_ST1_MA_MASK)
#define EASRC_DPCS0R2_ST1_SA_SHIFT 0
#define EASRC_DPCS0R2_ST1_SA_WIDTH 13
#define EASRC_DPCS0R2_ST1_SA_MASK ((BIT(EASRC_DPCS0R2_ST1_SA_WIDTH) - 1) \
<< EASRC_DPCS0R2_ST1_SA_SHIFT)
#define EASRC_DPCS0R2_ST1_SA(v) (((v) << EASRC_DPCS0R2_ST1_SA_SHIFT) \
& EASRC_DPCS0R2_ST1_SA_MASK)
/* ASRC Datapath Processor Control Slot0 Register3 (DPCS0R3) */
#define EASRC_DPCS0R3_ST2_MA_SHIFT 16
#define EASRC_DPCS0R3_ST2_MA_WIDTH 13
#define EASRC_DPCS0R3_ST2_MA_MASK ((BIT(EASRC_DPCS0R3_ST2_MA_WIDTH) - 1) \
<< EASRC_DPCS0R3_ST2_MA_SHIFT)
#define EASRC_DPCS0R3_ST2_MA(v) (((v) << EASRC_DPCS0R3_ST2_MA_SHIFT) \
& EASRC_DPCS0R3_ST2_MA_MASK)
#define EASRC_DPCS0R3_ST2_SA_SHIFT 0
#define EASRC_DPCS0R3_ST2_SA_WIDTH 13
#define EASRC_DPCS0R3_ST2_SA_MASK ((BIT(EASRC_DPCS0R3_ST2_SA_WIDTH) - 1) \
<< EASRC_DPCS0R3_ST2_SA_SHIFT)
#define EASRC_DPCS0R3_ST2_SA(v) (((v) << EASRC_DPCS0R3_ST2_SA_SHIFT) \
& EASRC_DPCS0R3_ST2_SA_MASK)
/* ASRC Context Output Control (COC) */
#define EASRC_COC_FWMDE_SHIFT 28
#define EASRC_COC_FWMDE_MASK BIT(EASRC_COC_FWMDE_SHIFT)
#define EASRC_COC_FWMDE BIT(EASRC_COC_FWMDE_SHIFT)
#define EASRC_COC_FIFO_WTMK_SHIFT 16
#define EASRC_COC_FIFO_WTMK_WIDTH 7
#define EASRC_COC_FIFO_WTMK_MASK ((BIT(EASRC_COC_FIFO_WTMK_WIDTH) - 1) \
<< EASRC_COC_FIFO_WTMK_SHIFT)
#define EASRC_COC_FIFO_WTMK(v) (((v) << EASRC_COC_FIFO_WTMK_SHIFT) \
& EASRC_COC_FIFO_WTMK_MASK)
#define EASRC_COC_SAMPLE_POS_SHIFT 11
#define EASRC_COC_SAMPLE_POS_WIDTH 5
#define EASRC_COC_SAMPLE_POS_MASK ((BIT(EASRC_COC_SAMPLE_POS_WIDTH) - 1) \
<< EASRC_COC_SAMPLE_POS_SHIFT)
#define EASRC_COC_SAMPLE_POS(v) (((v) << EASRC_COC_SAMPLE_POS_SHIFT) \
& EASRC_COC_SAMPLE_POS_MASK)
#define EASRC_COC_ENDIANNESS_SHIFT 10
#define EASRC_COC_ENDIANNESS_MASK BIT(EASRC_COC_ENDIANNESS_SHIFT)
#define EASRC_COC_ENDIANNESS BIT(EASRC_COC_ENDIANNESS_SHIFT)
#define EASRC_COC_BPS_SHIFT 8
#define EASRC_COC_BPS_WIDTH 2
#define EASRC_COC_BPS_MASK ((BIT(EASRC_COC_BPS_WIDTH) - 1) \
<< EASRC_COC_BPS_SHIFT)
#define EASRC_COC_BPS(v) (((v) << EASRC_COC_BPS_SHIFT) \
& EASRC_COC_BPS_MASK)
#define EASRC_COC_FMT_SHIFT 7
#define EASRC_COC_FMT_MASK BIT(EASRC_COC_FMT_SHIFT)
#define EASRC_COC_FMT BIT(EASRC_COC_FMT_SHIFT)
#define EASRC_COC_OUTSIGN_SHIFT 6
#define EASRC_COC_OUTSIGN_MASK BIT(EASRC_COC_OUTSIGN_SHIFT)
#define EASRC_COC_OUTSIGN_OUT BIT(EASRC_COC_OUTSIGN_SHIFT)
#define EASRC_COC_IEC_VDATA_SHIFT 2
#define EASRC_COC_IEC_VDATA_MASK BIT(EASRC_COC_IEC_VDATA_SHIFT)
#define EASRC_COC_IEC_VDATA BIT(EASRC_COC_IEC_VDATA_SHIFT)
#define EASRC_COC_IEC_EN_SHIFT 1
#define EASRC_COC_IEC_EN_MASK BIT(EASRC_COC_IEC_EN_SHIFT)
#define EASRC_COC_IEC_EN BIT(EASRC_COC_IEC_EN_SHIFT)
#define EASRC_COC_DITHER_EN_SHIFT 0
#define EASRC_COC_DITHER_EN_MASK BIT(EASRC_COC_DITHER_EN_SHIFT)
#define EASRC_COC_DITHER_EN BIT(EASRC_COC_DITHER_EN_SHIFT)
/* ASRC Control Output Access (COA) */
#define EASRC_COA_ITER_SHIFT 16
#define EASRC_COA_ITER_WIDTH 6
#define EASRC_COA_ITER_MASK ((BIT(EASRC_COA_ITER_WIDTH) - 1) \
<< EASRC_COA_ITER_SHIFT)
#define EASRC_COA_ITER(v) (((v) << EASRC_COA_ITER_SHIFT) \
& EASRC_COA_ITER_MASK)
#define EASRC_COA_GRLEN_SHIFT 8
#define EASRC_COA_GRLEN_WIDTH 6
#define EASRC_COA_GRLEN_MASK ((BIT(EASRC_COA_GRLEN_WIDTH) - 1) \
<< EASRC_COA_GRLEN_SHIFT)
#define EASRC_COA_GRLEN(v) (((v) << EASRC_COA_GRLEN_SHIFT) \
& EASRC_COA_GRLEN_MASK)
#define EASRC_COA_ACCLEN_SHIFT 0
#define EASRC_COA_ACCLEN_WIDTH 6
#define EASRC_COA_ACCLEN_MASK ((BIT(EASRC_COA_ACCLEN_WIDTH) - 1) \
<< EASRC_COA_ACCLEN_SHIFT)
#define EASRC_COA_ACCLEN(v) (((v) << EASRC_COA_ACCLEN_SHIFT) \
& EASRC_COA_ACCLEN_MASK)
/* ASRC Sample FIFO Status (SFS) */
#define EASRC_SFS_IWTMK_SHIFT 23
#define EASRC_SFS_IWTMK_MASK BIT(EASRC_SFS_IWTMK_SHIFT)
#define EASRC_SFS_IWTMK BIT(EASRC_SFS_IWTMK_SHIFT)
#define EASRC_SFS_NSGI_SHIFT 16
#define EASRC_SFS_NSGI_WIDTH 7
#define EASRC_SFS_NSGI_MASK ((BIT(EASRC_SFS_NSGI_WIDTH) - 1) \
<< EASRC_SFS_NSGI_SHIFT)
#define EASRC_SFS_NSGI(v) (((v) << EASRC_SFS_NSGI_SHIFT) \
& EASRC_SFS_NSGI_MASK)
#define EASRC_SFS_OWTMK_SHIFT 7
#define EASRC_SFS_OWTMK_MASK BIT(EASRC_SFS_OWTMK_SHIFT)
#define EASRC_SFS_OWTMK BIT(EASRC_SFS_OWTMK_SHIFT)
#define EASRC_SFS_NSGO_SHIFT 0
#define EASRC_SFS_NSGO_WIDTH 7
#define EASRC_SFS_NSGO_MASK ((BIT(EASRC_SFS_NSGO_WIDTH) - 1) \
<< EASRC_SFS_NSGO_SHIFT)
#define EASRC_SFS_NSGO(v) (((v) << EASRC_SFS_NSGO_SHIFT) \
& EASRC_SFS_NSGO_MASK)
/* ASRC Resampling Ratio Low (RRL) */
#define EASRC_RRL_RS_RL_SHIFT 0
#define EASRC_RRL_RS_RL_WIDTH 32
#define EASRC_RRL_RS_RL(v) ((v) << EASRC_RRL_RS_RL_SHIFT)
/* ASRC Resampling Ratio High (RRH) */
#define EASRC_RRH_RS_VLD_SHIFT 31
#define EASRC_RRH_RS_VLD_MASK BIT(EASRC_RRH_RS_VLD_SHIFT)
#define EASRC_RRH_RS_VLD BIT(EASRC_RRH_RS_VLD_SHIFT)
#define EASRC_RRH_RS_RH_SHIFT 0
#define EASRC_RRH_RS_RH_WIDTH 12
#define EASRC_RRH_RS_RH_MASK ((BIT(EASRC_RRH_RS_RH_WIDTH) - 1) \
<< EASRC_RRH_RS_RH_SHIFT)
#define EASRC_RRH_RS_RH(v) (((v) << EASRC_RRH_RS_RH_SHIFT) \
& EASRC_RRH_RS_RH_MASK)
/* ASRC Resampling Ratio Update Control (RSUC) */
#define EASRC_RSUC_RS_RM_SHIFT 0
#define EASRC_RSUC_RS_RM_WIDTH 32
#define EASRC_RSUC_RS_RM(v) ((v) << EASRC_RSUC_RS_RM_SHIFT)
/* ASRC Resampling Ratio Update Rate (RRUR) */
#define EASRC_RRUR_RRR_SHIFT 0
#define EASRC_RRUR_RRR_WIDTH 31
#define EASRC_RRUR_RRR_MASK ((BIT(EASRC_RRUR_RRR_WIDTH) - 1) \
<< EASRC_RRUR_RRR_SHIFT)
#define EASRC_RRUR_RRR(v) (((v) << EASRC_RRUR_RRR_SHIFT) \
& EASRC_RRUR_RRR_MASK)
/* ASRC Resampling Center Tap Coefficient Low (RCTCL) */
#define EASRC_RCTCL_RS_CL_SHIFT 0
#define EASRC_RCTCL_RS_CL_WIDTH 32
#define EASRC_RCTCL_RS_CL(v) ((v) << EASRC_RCTCL_RS_CL_SHIFT)
/* ASRC Resampling Center Tap Coefficient High (RCTCH) */
#define EASRC_RCTCH_RS_CH_SHIFT 0
#define EASRC_RCTCH_RS_CH_WIDTH 32
#define EASRC_RCTCH_RS_CH(v) ((v) << EASRC_RCTCH_RS_CH_SHIFT)
/* ASRC Prefilter Coefficient FIFO (PCF) */
#define EASRC_PCF_CD_SHIFT 0
#define EASRC_PCF_CD_WIDTH 32
#define EASRC_PCF_CD(v) ((v) << EASRC_PCF_CD_SHIFT)
/* ASRC Context Resampling Coefficient Memory (CRCM) */
#define EASRC_CRCM_RS_CWD_SHIFT 0
#define EASRC_CRCM_RS_CWD_WIDTH 32
#define EASRC_CRCM_RS_CWD(v) ((v) << EASRC_CRCM_RS_CWD_SHIFT)
/* ASRC Context Resampling Coefficient Control (CRCC) */
#define EASRC_CRCC_RS_CA_SHIFT 16
#define EASRC_CRCC_RS_CA_WIDTH 11
#define EASRC_CRCC_RS_CA_MASK ((BIT(EASRC_CRCC_RS_CA_WIDTH) - 1) \
<< EASRC_CRCC_RS_CA_SHIFT)
#define EASRC_CRCC_RS_CA(v) (((v) << EASRC_CRCC_RS_CA_SHIFT) \
& EASRC_CRCC_RS_CA_MASK)
#define EASRC_CRCC_RS_TAPS_SHIFT 1
#define EASRC_CRCC_RS_TAPS_WIDTH 2
#define EASRC_CRCC_RS_TAPS_MASK ((BIT(EASRC_CRCC_RS_TAPS_WIDTH) - 1) \
<< EASRC_CRCC_RS_TAPS_SHIFT)
#define EASRC_CRCC_RS_TAPS(v) (((v) << EASRC_CRCC_RS_TAPS_SHIFT) \
& EASRC_CRCC_RS_TAPS_MASK)
#define EASRC_CRCC_RS_CPR_SHIFT 0
#define EASRC_CRCC_RS_CPR_MASK BIT(EASRC_CRCC_RS_CPR_SHIFT)
#define EASRC_CRCC_RS_CPR BIT(EASRC_CRCC_RS_CPR_SHIFT)
/* ASRC Interrupt_Control (IC) */
#define EASRC_IRQC_RSDM_SHIFT 8
#define EASRC_IRQC_RSDM_WIDTH 4
#define EASRC_IRQC_RSDM_MASK ((BIT(EASRC_IRQC_RSDM_WIDTH) - 1) \
<< EASRC_IRQC_RSDM_SHIFT)
#define EASRC_IRQC_RSDM(v) (((v) << EASRC_IRQC_RSDM_SHIFT) \
& EASRC_IRQC_RSDM_MASK)
#define EASRC_IRQC_OERM_SHIFT 4
#define EASRC_IRQC_OERM_WIDTH 4
#define EASRC_IRQC_OERM_MASK ((BIT(EASRC_IRQC_OERM_WIDTH) - 1) \
<< EASRC_IRQC_OERM_SHIFT)
#define EASRC_IRQC_OERM(v) (((v) << EASRC_IRQC_OERM_SHIFT) \
& EASRC_IEQC_OERM_MASK)
#define EASRC_IRQC_IOM_SHIFT 0
#define EASRC_IRQC_IOM_WIDTH 4
#define EASRC_IRQC_IOM_MASK ((BIT(EASRC_IRQC_IOM_WIDTH) - 1) \
<< EASRC_IRQC_IOM_SHIFT)
#define EASRC_IRQC_IOM(v) (((v) << EASRC_IRQC_IOM_SHIFT) \
& EASRC_IRQC_IOM_MASK)
/* ASRC Interrupt Status Flags (ISF) */
#define EASRC_IRQF_RSD_SHIFT 8
#define EASRC_IRQF_RSD_WIDTH 4
#define EASRC_IRQF_RSD_MASK ((BIT(EASRC_IRQF_RSD_WIDTH) - 1) \
<< EASRC_IRQF_RSD_SHIFT)
#define EASRC_IRQF_RSD(v) (((v) << EASRC_IRQF_RSD_SHIFT) \
& EASRC_IRQF_RSD_MASK)
#define EASRC_IRQF_OER_SHIFT 4
#define EASRC_IRQF_OER_WIDTH 4
#define EASRC_IRQF_OER_MASK ((BIT(EASRC_IRQF_OER_WIDTH) - 1) \
<< EASRC_IRQF_OER_SHIFT)
#define EASRC_IRQF_OER(v) (((v) << EASRC_IRQF_OER_SHIFT) \
& EASRC_IRQF_OER_MASK)
#define EASRC_IRQF_IFO_SHIFT 0
#define EASRC_IRQF_IFO_WIDTH 4
#define EASRC_IRQF_IFO_MASK ((BIT(EASRC_IRQF_IFO_WIDTH) - 1) \
<< EASRC_IRQF_IFO_SHIFT)
#define EASRC_IRQF_IFO(v) (((v) << EASRC_IRQF_IFO_SHIFT) \
& EASRC_IRQF_IFO_MASK)
/* ASRC Context Channel STAT */
#define EASRC_CSx_CSx_SHIFT 0
#define EASRC_CSx_CSx_WIDTH 32
#define EASRC_CSx_CSx(v) ((v) << EASRC_CSx_CSx_SHIFT)
/* ASRC Debug Control Register */
#define EASRC_DBGC_DMS_SHIFT 0
#define EASRC_DBGC_DMS_WIDTH 6
#define EASRC_DBGC_DMS_MASK ((BIT(EASRC_DBGC_DMS_WIDTH) - 1) \
<< EASRC_DBGC_DMS_SHIFT)
#define EASRC_DBGC_DMS(v) (((v) << EASRC_DBGC_DMS_SHIFT) \
& EASRC_DBGC_DMS_MASK)
/* ASRC Debug Status Register */
#define EASRC_DBGS_DS_SHIFT 0
#define EASRC_DBGS_DS_WIDTH 32
#define EASRC_DBGS_DS(v) ((v) << EASRC_DBGS_DS_SHIFT)
/* General Constants */
#define EASRC_CTX_MAX_NUM 4
#define EASRC_RS_COEFF_MEM 0
#define EASRC_PF_COEFF_MEM 1
/* Prefilter constants */
#define EASRC_PF_ST1_ONLY 0
#define EASRC_PF_TWO_STAGE_MODE 1
#define EASRC_PF_ST1_COEFF_WR 0
#define EASRC_PF_ST2_COEFF_WR 1
#define EASRC_MAX_PF_TAPS 384
/* Resampling constants */
#define EASRC_RS_32_TAPS 0
#define EASRC_RS_64_TAPS 1
#define EASRC_RS_128_TAPS 2
/* Initialization mode */
#define EASRC_INIT_MODE_SW_CONTROL 0
#define EASRC_INIT_MODE_REPLICATE 1
#define EASRC_INIT_MODE_ZERO_FILL 2
/* FIFO watermarks */
#define FSL_EASRC_INPUTFIFO_WML 0x4
#define FSL_EASRC_OUTPUTFIFO_WML 0x1
#define EASRC_INPUTFIFO_THRESHOLD_MIN 0
#define EASRC_INPUTFIFO_THRESHOLD_MAX 127
#define EASRC_OUTPUTFIFO_THRESHOLD_MIN 0
#define EASRC_OUTPUTFIFO_THRESHOLD_MAX 63
#define EASRC_DMA_BUFFER_SIZE (1024 * 48 * 9)
#define EASRC_MAX_BUFFER_SIZE (1024 * 48)
#define FIRMWARE_MAGIC 0xDEAD
#define FIRMWARE_VERSION 1
#define PREFILTER_MEM_LEN 0x1800
enum easrc_word_width {
EASRC_WIDTH_16_BIT = 0,
EASRC_WIDTH_20_BIT = 1,
EASRC_WIDTH_24_BIT = 2,
EASRC_WIDTH_32_BIT = 3,
};
struct __attribute__((__packed__)) asrc_firmware_hdr {
u32 magic;
u32 interp_scen;
u32 prefil_scen;
u32 firmware_version;
};
struct __attribute__((__packed__)) interp_params {
u32 magic;
u32 num_taps;
u32 num_phases;
u64 center_tap;
u64 coeff[8192];
};
struct __attribute__((__packed__)) prefil_params {
u32 magic;
u32 insr;
u32 outsr;
u32 st1_taps;
u32 st2_taps;
u32 st1_exp;
u64 coeff[256];
};
struct dma_block {
void *dma_vaddr;
unsigned int length;
unsigned int max_buf_size;
};
struct fsl_easrc_data_fmt {
unsigned int width : 2;
unsigned int endianness : 1;
unsigned int unsign : 1;
unsigned int floating_point : 1;
unsigned int iec958: 1;
unsigned int sample_pos: 5;
unsigned int addexp;
};
struct fsl_easrc_io_params {
struct fsl_easrc_data_fmt fmt;
unsigned int group_len;
unsigned int iterations;
unsigned int access_len;
unsigned int fifo_wtmk;
unsigned int sample_rate;
unsigned int sample_format;
unsigned int norm_rate;
};
struct fsl_easrc_slot {
bool busy;
int ctx_index;
int slot_index;
int num_channel; /* maximum is 8 */
int min_channel;
int max_channel;
int pf_mem_used;
};
/**
* fsl_easrc_ctx_priv: EASRC context private data
*
* @in_params: input parameter
* @out_params: output parameter
* @st1_num_taps: tap number of stage 1
* @st2_num_taps: tap number of stage 2
* @st1_num_exp: exponent number of stage 1
* @pf_init_mode: prefilter init mode
* @rs_init_mode: resample filter init mode
* @ctx_streams: stream flag of ctx
* @rs_ratio: resampler ratio
* @st1_coeff: pointer of stage 1 coeff
* @st2_coeff: pointer of stage 2 coeff
* @in_filled_sample: input filled sample
* @out_missed_sample: sample missed in output
* @st1_addexp: exponent added for stage1
* @st2_addexp: exponent added for stage2
*/
struct fsl_easrc_ctx_priv {
struct fsl_easrc_io_params in_params;
struct fsl_easrc_io_params out_params;
unsigned int st1_num_taps;
unsigned int st2_num_taps;
unsigned int st1_num_exp;
unsigned int pf_init_mode;
unsigned int rs_init_mode;
unsigned int ctx_streams;
u64 rs_ratio;
u64 *st1_coeff;
u64 *st2_coeff;
int in_filled_sample;
int out_missed_sample;
int st1_addexp;
int st2_addexp;
};
/**
* fsl_easrc_priv: EASRC private data
*
* @slot: slot setting
* @firmware_hdr: the header of firmware
* @interp: pointer to interpolation filter coeff
* @prefil: pointer to prefilter coeff
* @fw: firmware of coeff table
* @fw_name: firmware name
* @rs_num_taps: resample filter taps, 32, 64, or 128
* @bps_iec958: bits per sample of iec958
* @rs_coeff: resampler coefficient
* @const_coeff: one tap prefilter coefficient
* @firmware_loaded: firmware is loaded
*/
struct fsl_easrc_priv {
struct fsl_easrc_slot slot[EASRC_CTX_MAX_NUM][2];
struct asrc_firmware_hdr *firmware_hdr;
struct interp_params *interp;
struct prefil_params *prefil;
const struct firmware *fw;
const char *fw_name;
unsigned int rs_num_taps;
unsigned int bps_iec958[EASRC_CTX_MAX_NUM];
u64 *rs_coeff;
u64 const_coeff;
int firmware_loaded;
};
#endif /* _FSL_EASRC_H */