Unverified Commit 28564486 authored by Viorel Suman's avatar Viorel Suman Committed by Mark Brown
Browse files

ASoC: fsl_xcvr: Add XCVR ASoC CPU DAI driver 



XCVR (Audio Transceiver) is a on-chip functional module found
on i.MX8MP. It support HDMI2.1 eARC, HDMI1.4 ARC and SPDIF.

Signed-off-by: default avatarViorel Suman <viorel.suman@nxp.com>
Acked-by: default avatarNicolin Chen <nicoleotsuka@gmail.com>
Link: https://lore.kernel.org/r/20201013121733.83684-2-viorel.suman@oss.nxp.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent fc7f6a05

sound/soc/fsl/Kconfig

+10 −0
Original line number Diff line number Diff line
@@ -95,6 +95,16 @@ config SND_SOC_FSL_EASRC 
	  destination sample rate. It is a new design module compare with the

	  old ASRC.



config SND_SOC_FSL_XCVR

	tristate "NXP Audio Transceiver (XCVR) module support"

	select REGMAP_MMIO

	select SND_SOC_IMX_PCM_DMA if SND_IMX_SOC != n

	select SND_SOC_GENERIC_DMAENGINE_PCM

	help

	  Say Y if you want to add Audio Transceiver (XCVR) support for NXP

	  iMX CPUs. XCVR is a digital module that supports HDMI2.1 eARC,

	  HDMI1.4 ARC and SPDIF.



config SND_SOC_FSL_UTILS

	tristate

sound/soc/fsl/Makefile

+2 −0
Original line number Diff line number Diff line
@@ -25,6 +25,7 @@ snd-soc-fsl-utils-objs := fsl_utils.o 
snd-soc-fsl-dma-objs := fsl_dma.o

snd-soc-fsl-mqs-objs := fsl_mqs.o

snd-soc-fsl-easrc-objs := fsl_easrc.o

snd-soc-fsl-xcvr-objs := fsl_xcvr.o



obj-$(CONFIG_SND_SOC_FSL_AUDMIX) += snd-soc-fsl-audmix.o

obj-$(CONFIG_SND_SOC_FSL_ASOC_CARD) += snd-soc-fsl-asoc-card.o
@@ -38,6 +39,7 @@ obj-$(CONFIG_SND_SOC_FSL_UTILS) += snd-soc-fsl-utils.o 
obj-$(CONFIG_SND_SOC_FSL_MQS) += snd-soc-fsl-mqs.o

obj-$(CONFIG_SND_SOC_FSL_EASRC) += snd-soc-fsl-easrc.o

obj-$(CONFIG_SND_SOC_POWERPC_DMA) += snd-soc-fsl-dma.o

obj-$(CONFIG_SND_SOC_FSL_XCVR) += snd-soc-fsl-xcvr.o



# MPC5200 Platform Support

obj-$(CONFIG_SND_MPC52xx_DMA) += mpc5200_dma.o

sound/soc/fsl/fsl_xcvr.c

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File added.

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sound/soc/fsl/fsl_xcvr.h

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/* SPDX-License-Identifier: GPL-2.0 */

/*

 * NXP XCVR ALSA SoC Digital Audio Interface (DAI) driver

 *

 * Copyright 2019 NXP

 */



#ifndef __FSL_XCVR_H

#define __FSL_XCVR_H



#define FSL_XCVR_MODE_SPDIF	0

#define FSL_XCVR_MODE_ARC	1

#define FSL_XCVR_MODE_EARC	2



/* XCVR Registers */

#define FSL_XCVR_REG_OFFSET		0x800 /* regs offset */

#define FSL_XCVR_FIFO_SIZE		0x80  /* 128 */

#define FSL_XCVR_FIFO_WMK_RX		(FSL_XCVR_FIFO_SIZE >> 1)   /* 64 */

#define FSL_XCVR_FIFO_WMK_TX		(FSL_XCVR_FIFO_SIZE >> 1)   /* 64 */

#define FSL_XCVR_MAXBURST_RX		(FSL_XCVR_FIFO_WMK_RX >> 2) /* 16 */

#define FSL_XCVR_MAXBURST_TX		(FSL_XCVR_FIFO_WMK_TX >> 2) /* 16 */



#define FSL_XCVR_RX_FIFO_ADDR		0x0C00

#define FSL_XCVR_TX_FIFO_ADDR		0x0E00



#define FSL_XCVR_VERSION		0x00  /* Version */

#define FSL_XCVR_EXT_CTRL		0x10  /* Control */

#define FSL_XCVR_EXT_STATUS		0x20  /* Status */

#define FSL_XCVR_EXT_IER0		0x30  /* Interrupt en 0 */

#define FSL_XCVR_EXT_IER1		0x40  /* Interrupt en 1 */

#define FSL_XCVR_EXT_ISR		0x50  /* Interrupt status */

#define FSL_XCVR_EXT_ISR_SET		0x54  /* Interrupt status */

#define FSL_XCVR_EXT_ISR_CLR		0x58  /* Interrupt status */

#define FSL_XCVR_EXT_ISR_TOG		0x5C  /* Interrupt status */

#define FSL_XCVR_IER			0x70  /* Interrupt en for M0+ */

#define FSL_XCVR_ISR			0x80  /* Interrupt status */

#define FSL_XCVR_ISR_SET		0x84  /* Interrupt status set */

#define FSL_XCVR_ISR_CLR		0x88  /* Interrupt status clear */

#define FSL_XCVR_ISR_TOG		0x8C  /* Interrupt status toggle */

#define FSL_XCVR_PHY_AI_CTRL		0x90

#define FSL_XCVR_PHY_AI_CTRL_SET	0x94

#define FSL_XCVR_PHY_AI_CTRL_CLR	0x98

#define FSL_XCVR_PHY_AI_CTRL_TOG	0x9C

#define FSL_XCVR_PHY_AI_WDATA		0xA0

#define FSL_XCVR_PHY_AI_RDATA		0xA4

#define FSL_XCVR_CLK_CTRL		0xB0

#define FSL_XCVR_RX_DPTH_CTRL		0x180 /* RX datapath ctrl reg */

#define FSL_XCVR_RX_DPTH_CTRL_SET	0x184

#define FSL_XCVR_RX_DPTH_CTRL_CLR	0x188

#define FSL_XCVR_RX_DPTH_CTRL_TOG	0x18c



#define FSL_XCVR_TX_DPTH_CTRL		0x220 /* TX datapath ctrl reg */

#define FSL_XCVR_TX_DPTH_CTRL_SET	0x224

#define FSL_XCVR_TX_DPTH_CTRL_CLR	0x228

#define FSL_XCVR_TX_DPTH_CTRL_TOG	0x22C

#define FSL_XCVR_TX_CS_DATA_0		0x230 /* TX channel status bits regs */

#define FSL_XCVR_TX_CS_DATA_1		0x234

#define FSL_XCVR_TX_CS_DATA_2		0x238

#define FSL_XCVR_TX_CS_DATA_3		0x23C

#define FSL_XCVR_TX_CS_DATA_4		0x240

#define FSL_XCVR_TX_CS_DATA_5		0x244

#define FSL_XCVR_DEBUG_REG_0		0x2E0

#define FSL_XCVR_DEBUG_REG_1		0x2F0



#define FSL_XCVR_MAX_REG		FSL_XCVR_DEBUG_REG_1



#define FSL_XCVR_EXT_CTRL_CORE_RESET	BIT(31)



#define FSL_XCVR_EXT_CTRL_RX_CMDC_RESET	BIT(30)

#define FSL_XCVR_EXT_CTRL_TX_CMDC_RESET	BIT(29)

#define FSL_XCVR_EXT_CTRL_CMDC_RESET(t) (t ? BIT(29) : BIT(30))



#define FSL_XCVR_EXT_CTRL_RX_DPTH_RESET	BIT(28)

#define FSL_XCVR_EXT_CTRL_TX_DPTH_RESET	BIT(27)

#define FSL_XCVR_EXT_CTRL_DPTH_RESET(t) (t ? BIT(27) : BIT(28))



#define FSL_XCVR_EXT_CTRL_TX_RX_MODE	BIT(26)

#define FSL_XCVR_EXT_CTRL_DMA_RD_DIS	BIT(25)

#define FSL_XCVR_EXT_CTRL_DMA_WR_DIS	BIT(24)

#define FSL_XCVR_EXT_CTRL_DMA_DIS(t)	(t ? BIT(24) : BIT(25))

#define FSL_XCVR_EXT_CTRL_SPDIF_MODE	BIT(23)

#define FSL_XCVR_EXT_CTRL_SLEEP_MODE	BIT(21)



#define FSL_XCVR_EXT_CTRL_TX_FWM_SHFT	0

#define FSL_XCVR_EXT_CTRL_TX_FWM_MASK	GENMASK(6, 0)

#define FSL_XCVR_EXT_CTRL_TX_FWM(i)	(((i) << FSL_XCVR_EXT_CTRL_TX_FWM_SHFT) \

					  & FSL_XCVR_EXT_CTRL_TX_FWM_MASK)

#define FSL_XCVR_EXT_CTRL_RX_FWM_SHFT	8

#define FSL_XCVR_EXT_CTRL_RX_FWM_MASK	GENMASK(14, 8)

#define FSL_XCVR_EXT_CTRL_RX_FWM(i)	(((i) << FSL_XCVR_EXT_CTRL_RX_FWM_SHFT) \

					  & FSL_XCVR_EXT_CTRL_RX_FWM_MASK)

#define FSL_XCVR_EXT_CTRL_PAGE_SHFT	16

#define FSL_XCVR_EXT_CTRL_PAGE_MASK	GENMASK(19, 16)

#define FSL_XCVR_EXT_CTRL_PAGE(i)	(((i) << FSL_XCVR_EXT_CTRL_PAGE_SHFT) \

					  & FSL_XCVR_EXT_CTRL_PAGE_MASK)



#define FSL_XCVR_EXT_STUS_NT_FIFO_ENTR	GENMASK(7, 0)

#define FSL_XCVR_EXT_STUS_NR_FIFO_ENTR	GENMASK(15, 8)

#define FSL_XCVR_EXT_STUS_CM0_SLEEPING	BIT(16)

#define FSL_XCVR_EXT_STUS_CM0_DEEP_SLP	BIT(17)

#define FSL_XCVR_EXT_STUS_CM0_SLP_HACK	BIT(18)

#define FSL_XCVR_EXT_STUS_RX_CMDC_RSTO	BIT(23)

#define FSL_XCVR_EXT_STUS_TX_CMDC_RSTO	BIT(24)

#define FSL_XCVR_EXT_STUS_RX_CMDC_COTO	BIT(25)

#define FSL_XCVR_EXT_STUS_TX_CMDC_COTO	BIT(26)

#define FSL_XCVR_EXT_STUS_HB_STATUS	BIT(27)

#define FSL_XCVR_EXT_STUS_NEW_UD4_REC	BIT(28)

#define FSL_XCVR_EXT_STUS_NEW_UD5_REC	BIT(29)

#define FSL_XCVR_EXT_STUS_NEW_UD6_REC	BIT(30)

#define FSL_XCVR_EXT_STUS_HPD_INPUT	BIT(31)



#define FSL_XCVR_IRQ_NEW_CS		BIT(0)

#define FSL_XCVR_IRQ_NEW_UD		BIT(1)

#define FSL_XCVR_IRQ_MUTE		BIT(2)

#define FSL_XCVR_IRQ_CMDC_RESP_TO	BIT(3)

#define FSL_XCVR_IRQ_ECC_ERR		BIT(4)

#define FSL_XCVR_IRQ_PREAMBLE_MISMATCH	BIT(5)

#define FSL_XCVR_IRQ_FIFO_UOFL_ERR	BIT(6)

#define FSL_XCVR_IRQ_HOST_WAKEUP	BIT(7)

#define FSL_XCVR_IRQ_HOST_OHPD		BIT(8)

#define FSL_XCVR_IRQ_DMAC_NO_DATA_REC	BIT(9)

#define FSL_XCVR_IRQ_DMAC_FMT_CHG_DET	BIT(10)

#define FSL_XCVR_IRQ_HB_STATE_CHG	BIT(11)

#define FSL_XCVR_IRQ_CMDC_STATUS_UPD	BIT(12)

#define FSL_XCVR_IRQ_TEMP_UPD		BIT(13)

#define FSL_XCVR_IRQ_DMA_RD_REQ		BIT(14)

#define FSL_XCVR_IRQ_DMA_WR_REQ		BIT(15)

#define FSL_XCVR_IRQ_DMAC_BME_BIT_ERR	BIT(16)

#define FSL_XCVR_IRQ_PREAMBLE_MATCH	BIT(17)

#define FSL_XCVR_IRQ_M_W_PRE_MISMATCH	BIT(18)

#define FSL_XCVR_IRQ_B_PRE_MISMATCH	BIT(19)

#define FSL_XCVR_IRQ_UNEXP_PRE_REC	BIT(20)

#define FSL_XCVR_IRQ_ARC_MODE		BIT(21)

#define FSL_XCVR_IRQ_CH_UD_OFLOW	BIT(22)

#define FSL_XCVR_IRQ_EARC_ALL		(FSL_XCVR_IRQ_NEW_CS | \

					 FSL_XCVR_IRQ_NEW_UD | \

					 FSL_XCVR_IRQ_MUTE | \

					 FSL_XCVR_IRQ_FIFO_UOFL_ERR | \

					 FSL_XCVR_IRQ_HOST_WAKEUP | \

					 FSL_XCVR_IRQ_ARC_MODE)



#define FSL_XCVR_ISR_CMDC_TX_EN		BIT(3)

#define FSL_XCVR_ISR_HPD_TGL		BIT(15)

#define FSL_XCVR_ISR_DMAC_SPARE_INT	BIT(19)

#define FSL_XCVR_ISR_SET_SPDIF_RX_INT	BIT(20)

#define FSL_XCVR_ISR_SET_SPDIF_TX_INT	BIT(21)

#define FSL_XCVR_ISR_SET_SPDIF_MODE(t)	(t ? BIT(21) : BIT(20))

#define FSL_XCVR_ISR_SET_ARC_CM_INT	BIT(22)

#define FSL_XCVR_ISR_SET_ARC_SE_INT	BIT(23)



#define FSL_XCVR_PHY_AI_ADDR_MASK	GENMASK(7, 0)

#define FSL_XCVR_PHY_AI_RESETN		BIT(15)

#define FSL_XCVR_PHY_AI_TOG_PLL		BIT(24)

#define FSL_XCVR_PHY_AI_TOG_DONE_PLL	BIT(25)

#define FSL_XCVR_PHY_AI_TOG_PHY		BIT(26)

#define FSL_XCVR_PHY_AI_TOG_DONE_PHY	BIT(27)

#define FSL_XCVR_PHY_AI_RW_MASK		BIT(31)



#define FSL_XCVR_RX_DPTH_CTRL_PAPB_FIFO_STATUS	BIT(0)

#define FSL_XCVR_RX_DPTH_CTRL_DIS_PRE_ERR_CHK	BIT(1)

#define FSL_XCVR_RX_DPTH_CTRL_DIS_NOD_REC_CHK	BIT(2)

#define FSL_XCVR_RX_DPTH_CTRL_ECC_VUC_BIT_CHK	BIT(3)

#define FSL_XCVR_RX_DPTH_CTRL_EN_CMP_PAR_CALC	BIT(4)

#define FSL_XCVR_RX_DPTH_CTRL_RST_PKT_CNT_FIFO	BIT(5)

#define FSL_XCVR_RX_DPTH_CTRL_STORE_FMT		BIT(6)

#define FSL_XCVR_RX_DPTH_CTRL_EN_PAR_CALC	BIT(7)

#define FSL_XCVR_RX_DPTH_CTRL_UDR		BIT(8)

#define FSL_XCVR_RX_DPTH_CTRL_CSR		BIT(9)

#define FSL_XCVR_RX_DPTH_CTRL_UDA		BIT(10)

#define FSL_XCVR_RX_DPTH_CTRL_CSA		BIT(11)

#define FSL_XCVR_RX_DPTH_CTRL_CLR_RX_FIFO	BIT(12)

#define FSL_XCVR_RX_DPTH_CTRL_DIS_B_PRE_ERR_CHK	BIT(13)

#define FSL_XCVR_RX_DPTH_CTRL_PABS		BIT(19)

#define FSL_XCVR_RX_DPTH_CTRL_DTS_CDS		BIT(20)

#define FSL_XCVR_RX_DPTH_CTRL_BLKC		BIT(21)

#define FSL_XCVR_RX_DPTH_CTRL_MUTE_CTRL		BIT(22)

#define FSL_XCVR_RX_DPTH_CTRL_MUTE_MODE		BIT(23)

#define FSL_XCVR_RX_DPTH_CTRL_FMT_CHG_CTRL	BIT(24)

#define FSL_XCVR_RX_DPTH_CTRL_FMT_CHG_MODE	BIT(25)

#define FSL_XCVR_RX_DPTH_CTRL_LAYB_CTRL		BIT(26)

#define FSL_XCVR_RX_DPTH_CTRL_LAYB_MODE		BIT(27)

#define FSL_XCVR_RX_DPTH_CTRL_PRC		BIT(28)

#define FSL_XCVR_RX_DPTH_CTRL_COMP		BIT(29)

#define FSL_XCVR_RX_DPTH_CTRL_FSM		GENMASK(31, 30)



#define FSL_XCVR_TX_DPTH_CTRL_CS_ACK		BIT(0)

#define FSL_XCVR_TX_DPTH_CTRL_UD_ACK		BIT(1)

#define FSL_XCVR_TX_DPTH_CTRL_CS_MOD		BIT(2)

#define FSL_XCVR_TX_DPTH_CTRL_UD_MOD		BIT(3)

#define FSL_XCVR_TX_DPTH_CTRL_VLD_MOD		BIT(4)

#define FSL_XCVR_TX_DPTH_CTRL_FRM_VLD		BIT(5)

#define FSL_XCVR_TX_DPTH_CTRL_EN_PARITY		BIT(6)

#define FSL_XCVR_TX_DPTH_CTRL_EN_PREAMBLE	BIT(7)

#define FSL_XCVR_TX_DPTH_CTRL_EN_ECC_INTER	BIT(8)

#define FSL_XCVR_TX_DPTH_CTRL_BYPASS_FEM	BIT(10)

#define FSL_XCVR_TX_DPTH_CTRL_FRM_FMT		BIT(11)

#define FSL_XCVR_TX_DPTH_CTRL_STRT_DATA_TX	BIT(14)

#define FSL_XCVR_TX_DPTH_CTRL_ADD_CYC_TX_OE_STR	BIT(15)

#define FSL_XCVR_TX_DPTH_CTRL_ADD_CYC_TX_OE_END	BIT(16)

#define FSL_XCVR_TX_DPTH_CTRL_CLK_RATIO		BIT(29)

#define FSL_XCVR_TX_DPTH_CTRL_TM_NO_PRE_BME	GENMASK(31, 30)



#define FSL_XCVR_PHY_AI_CTRL_AI_RESETN		BIT(15)



#define FSL_XCVR_PLL_CTRL0			0x00

#define FSL_XCVR_PLL_CTRL0_SET			0x04

#define FSL_XCVR_PLL_CTRL0_CLR			0x08

#define FSL_XCVR_PLL_NUM			0x20

#define FSL_XCVR_PLL_DEN			0x30

#define FSL_XCVR_PLL_PDIV			0x40

#define FSL_XCVR_PLL_BANDGAP_SET		0x54

#define FSL_XCVR_PHY_CTRL			0x00

#define FSL_XCVR_PHY_CTRL_SET			0x04

#define FSL_XCVR_PHY_CTRL_CLR			0x08

#define FSL_XCVR_PHY_CTRL2			0x70

#define FSL_XCVR_PHY_CTRL2_SET			0x74

#define FSL_XCVR_PHY_CTRL2_CLR			0x78



#define FSL_XCVR_PLL_BANDGAP_EN_VBG		BIT(0)

#define FSL_XCVR_PLL_CTRL0_HROFF		BIT(13)

#define FSL_XCVR_PLL_CTRL0_PWP			BIT(14)

#define FSL_XCVR_PLL_CTRL0_CM0_EN		BIT(24)

#define FSL_XCVR_PLL_CTRL0_CM1_EN		BIT(25)

#define FSL_XCVR_PLL_CTRL0_CM2_EN		BIT(26)

#define FSL_XCVR_PLL_PDIVx(v, i)		((v & 0x7) << (4 * i))



#define FSL_XCVR_PHY_CTRL_PHY_EN		BIT(0)

#define FSL_XCVR_PHY_CTRL_RX_CM_EN		BIT(1)

#define FSL_XCVR_PHY_CTRL_TSDIFF_OE		BIT(5)

#define FSL_XCVR_PHY_CTRL_SPDIF_EN		BIT(8)

#define FSL_XCVR_PHY_CTRL_ARC_MODE_SE_EN	BIT(9)

#define FSL_XCVR_PHY_CTRL_ARC_MODE_CM_EN	BIT(10)

#define FSL_XCVR_PHY_CTRL_TX_CLK_MASK		GENMASK(26, 25)

#define FSL_XCVR_PHY_CTRL_TX_CLK_HDMI_SS	BIT(25)

#define FSL_XCVR_PHY_CTRL_TX_CLK_AUD_SS		BIT(26)

#define FSL_XCVR_PHY_CTRL2_EARC_TXMS		BIT(14)



#define FSL_XCVR_CS_DATA_0_FS_MASK		GENMASK(31, 24)

#define FSL_XCVR_CS_DATA_0_FS_32000		0x3000000

#define FSL_XCVR_CS_DATA_0_FS_44100		0x0000000

#define FSL_XCVR_CS_DATA_0_FS_48000		0x2000000

#define FSL_XCVR_CS_DATA_0_FS_64000		0xB000000

#define FSL_XCVR_CS_DATA_0_FS_88200		0x8000000

#define FSL_XCVR_CS_DATA_0_FS_96000		0xA000000

#define FSL_XCVR_CS_DATA_0_FS_176400		0xC000000

#define FSL_XCVR_CS_DATA_0_FS_192000		0xE000000



#define FSL_XCVR_CS_DATA_0_CH_MASK		0x3A

#define FSL_XCVR_CS_DATA_0_CH_U2LPCM		0x00

#define FSL_XCVR_CS_DATA_0_CH_UMLPCM		0x20

#define FSL_XCVR_CS_DATA_0_CH_U1BAUD		0x30



#define FSL_XCVR_CS_DATA_1_CH_MASK		0xF000

#define FSL_XCVR_CS_DATA_1_CH_2			0x0000

#define FSL_XCVR_CS_DATA_1_CH_8			0x7000

#define FSL_XCVR_CS_DATA_1_CH_16		0xB000

#define FSL_XCVR_CS_DATA_1_CH_32		0x3000



/* Data memory structures */

#define FSL_XCVR_RX_CS_CTRL_0		0x20 /* First  RX CS control register */

#define FSL_XCVR_RX_CS_CTRL_1		0x24 /* Second RX CS control register */

#define FSL_XCVR_RX_CS_BUFF_0		0x80 /* First  RX CS buffer */

#define FSL_XCVR_RX_CS_BUFF_1		0xA0 /* Second RX CS buffer */

#define FSL_XCVR_CAP_DATA_STR		0x300 /* Capabilities data structure */



#endif /* __FSL_XCVR_H */

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