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linux/sound/soc/tegra/tegra20_spdif.h
Dmitry Osipenko ec1b4545d7
ASoC: tegra20: spdif: Reset hardware 
Reset S/PDIF controller on runtime PM suspend/resume to ensure that we
always have a consistent hardware state.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20211204143725.31646-11-digetx@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-12-17 11:13:57 +00:00

458 lines
18 KiB
C
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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* tegra20_spdif.h - Definitions for Tegra20 SPDIF driver
*
* Author: Stephen Warren <swarren@nvidia.com>
* Copyright (C) 2011 - NVIDIA, Inc.
*
* Based on code copyright/by:
* Copyright (c) 2008-2009, NVIDIA Corporation
*/
#ifndef __TEGRA20_SPDIF_H__
#define __TEGRA20_SPDIF_H__
#include "tegra_pcm.h"
/* Offsets from TEGRA20_SPDIF_BASE */
#define TEGRA20_SPDIF_CTRL 0x0
#define TEGRA20_SPDIF_STATUS 0x4
#define TEGRA20_SPDIF_STROBE_CTRL 0x8
#define TEGRA20_SPDIF_DATA_FIFO_CSR 0x0C
#define TEGRA20_SPDIF_DATA_OUT 0x40
#define TEGRA20_SPDIF_DATA_IN 0x80
#define TEGRA20_SPDIF_CH_STA_RX_A 0x100
#define TEGRA20_SPDIF_CH_STA_RX_B 0x104
#define TEGRA20_SPDIF_CH_STA_RX_C 0x108
#define TEGRA20_SPDIF_CH_STA_RX_D 0x10C
#define TEGRA20_SPDIF_CH_STA_RX_E 0x110
#define TEGRA20_SPDIF_CH_STA_RX_F 0x114
#define TEGRA20_SPDIF_CH_STA_TX_A 0x140
#define TEGRA20_SPDIF_CH_STA_TX_B 0x144
#define TEGRA20_SPDIF_CH_STA_TX_C 0x148
#define TEGRA20_SPDIF_CH_STA_TX_D 0x14C
#define TEGRA20_SPDIF_CH_STA_TX_E 0x150
#define TEGRA20_SPDIF_CH_STA_TX_F 0x154
#define TEGRA20_SPDIF_USR_STA_RX_A 0x180
#define TEGRA20_SPDIF_USR_DAT_TX_A 0x1C0
/* Fields in TEGRA20_SPDIF_CTRL */
/* Start capturing from 0=right, 1=left channel */
#define TEGRA20_SPDIF_CTRL_CAP_LC (1 << 30)
/* SPDIF receiver(RX) enable */
#define TEGRA20_SPDIF_CTRL_RX_EN (1 << 29)
/* SPDIF Transmitter(TX) enable */
#define TEGRA20_SPDIF_CTRL_TX_EN (1 << 28)
/* Transmit Channel status */
#define TEGRA20_SPDIF_CTRL_TC_EN (1 << 27)
/* Transmit user Data */
#define TEGRA20_SPDIF_CTRL_TU_EN (1 << 26)
/* Interrupt on transmit error */
#define TEGRA20_SPDIF_CTRL_IE_TXE (1 << 25)
/* Interrupt on receive error */
#define TEGRA20_SPDIF_CTRL_IE_RXE (1 << 24)
/* Interrupt on invalid preamble */
#define TEGRA20_SPDIF_CTRL_IE_P (1 << 23)
/* Interrupt on "B" preamble */
#define TEGRA20_SPDIF_CTRL_IE_B (1 << 22)
/* Interrupt when block of channel status received */
#define TEGRA20_SPDIF_CTRL_IE_C (1 << 21)
/* Interrupt when a valid information unit (IU) is received */
#define TEGRA20_SPDIF_CTRL_IE_U (1 << 20)
/* Interrupt when RX user FIFO attention level is reached */
#define TEGRA20_SPDIF_CTRL_QE_RU (1 << 19)
/* Interrupt when TX user FIFO attention level is reached */
#define TEGRA20_SPDIF_CTRL_QE_TU (1 << 18)
/* Interrupt when RX data FIFO attention level is reached */
#define TEGRA20_SPDIF_CTRL_QE_RX (1 << 17)
/* Interrupt when TX data FIFO attention level is reached */
#define TEGRA20_SPDIF_CTRL_QE_TX (1 << 16)
/* Loopback test mode enable */
#define TEGRA20_SPDIF_CTRL_LBK_EN (1 << 15)
/*
* Pack data mode:
* 0 = Single data (16 bit needs to be padded to match the
* interface data bit size).
* 1 = Packeted left/right channel data into a single word.
*/
#define TEGRA20_SPDIF_CTRL_PACK (1 << 14)
/*
* 00 = 16bit data
* 01 = 20bit data
* 10 = 24bit data
* 11 = raw data
*/
#define TEGRA20_SPDIF_BIT_MODE_16BIT 0
#define TEGRA20_SPDIF_BIT_MODE_20BIT 1
#define TEGRA20_SPDIF_BIT_MODE_24BIT 2
#define TEGRA20_SPDIF_BIT_MODE_RAW 3
#define TEGRA20_SPDIF_CTRL_BIT_MODE_SHIFT 12
#define TEGRA20_SPDIF_CTRL_BIT_MODE_MASK (3 << TEGRA20_SPDIF_CTRL_BIT_MODE_SHIFT)
#define TEGRA20_SPDIF_CTRL_BIT_MODE_16BIT (TEGRA20_SPDIF_BIT_MODE_16BIT << TEGRA20_SPDIF_CTRL_BIT_MODE_SHIFT)
#define TEGRA20_SPDIF_CTRL_BIT_MODE_20BIT (TEGRA20_SPDIF_BIT_MODE_20BIT << TEGRA20_SPDIF_CTRL_BIT_MODE_SHIFT)
#define TEGRA20_SPDIF_CTRL_BIT_MODE_24BIT (TEGRA20_SPDIF_BIT_MODE_24BIT << TEGRA20_SPDIF_CTRL_BIT_MODE_SHIFT)
#define TEGRA20_SPDIF_CTRL_BIT_MODE_RAW (TEGRA20_SPDIF_BIT_MODE_RAW << TEGRA20_SPDIF_CTRL_BIT_MODE_SHIFT)
/* Fields in TEGRA20_SPDIF_STATUS */
/*
* Note: IS_P, IS_B, IS_C, and IS_U are sticky bits. Software must
* write a 1 to the corresponding bit location to clear the status.
*/
/*
* Receiver(RX) shifter is busy receiving data.
* This bit is asserted when the receiver first locked onto the
* preamble of the data stream after RX_EN is asserted. This bit is
* deasserted when either,
* (a) the end of a frame is reached after RX_EN is deeasserted, or
* (b) the SPDIF data stream becomes inactive.
*/
#define TEGRA20_SPDIF_STATUS_RX_BSY (1 << 29)
/*
* Transmitter(TX) shifter is busy transmitting data.
* This bit is asserted when TX_EN is asserted.
* This bit is deasserted when the end of a frame is reached after
* TX_EN is deasserted.
*/
#define TEGRA20_SPDIF_STATUS_TX_BSY (1 << 28)
/*
* TX is busy shifting out channel status.
* This bit is asserted when both TX_EN and TC_EN are asserted and
* data from CH_STA_TX_A register is loaded into the internal shifter.
* This bit is deasserted when either,
* (a) the end of a frame is reached after TX_EN is deasserted, or
* (b) CH_STA_TX_F register is loaded into the internal shifter.
*/
#define TEGRA20_SPDIF_STATUS_TC_BSY (1 << 27)
/*
* TX User data FIFO busy.
* This bit is asserted when TX_EN and TXU_EN are asserted and
* there's data in the TX user FIFO. This bit is deassert when either,
* (a) the end of a frame is reached after TX_EN is deasserted, or
* (b) there's no data left in the TX user FIFO.
*/
#define TEGRA20_SPDIF_STATUS_TU_BSY (1 << 26)
/* TX FIFO Underrun error status */
#define TEGRA20_SPDIF_STATUS_TX_ERR (1 << 25)
/* RX FIFO Overrun error status */
#define TEGRA20_SPDIF_STATUS_RX_ERR (1 << 24)
/* Preamble status: 0=Preamble OK, 1=bad/missing preamble */
#define TEGRA20_SPDIF_STATUS_IS_P (1 << 23)
/* B-preamble detection status: 0=not detected, 1=B-preamble detected */
#define TEGRA20_SPDIF_STATUS_IS_B (1 << 22)
/*
* RX channel block data receive status:
* 0=entire block not recieved yet.
* 1=received entire block of channel status,
*/
#define TEGRA20_SPDIF_STATUS_IS_C (1 << 21)
/* RX User Data Valid flag: 1=valid IU detected, 0 = no IU detected. */
#define TEGRA20_SPDIF_STATUS_IS_U (1 << 20)
/*
* RX User FIFO Status:
* 1=attention level reached, 0=attention level not reached.
*/
#define TEGRA20_SPDIF_STATUS_QS_RU (1 << 19)
/*
* TX User FIFO Status:
* 1=attention level reached, 0=attention level not reached.
*/
#define TEGRA20_SPDIF_STATUS_QS_TU (1 << 18)
/*
* RX Data FIFO Status:
* 1=attention level reached, 0=attention level not reached.
*/
#define TEGRA20_SPDIF_STATUS_QS_RX (1 << 17)
/*
* TX Data FIFO Status:
* 1=attention level reached, 0=attention level not reached.
*/
#define TEGRA20_SPDIF_STATUS_QS_TX (1 << 16)
/* Fields in TEGRA20_SPDIF_STROBE_CTRL */
/*
* Indicates the approximate number of detected SPDIFIN clocks within a
* bi-phase period.
*/
#define TEGRA20_SPDIF_STROBE_CTRL_PERIOD_SHIFT 16
#define TEGRA20_SPDIF_STROBE_CTRL_PERIOD_MASK (0xff << TEGRA20_SPDIF_STROBE_CTRL_PERIOD_SHIFT)
/* Data strobe mode: 0=Auto-locked 1=Manual locked */
#define TEGRA20_SPDIF_STROBE_CTRL_STROBE (1 << 15)
/*
* Manual data strobe time within the bi-phase clock period (in terms of
* the number of over-sampling clocks).
*/
#define TEGRA20_SPDIF_STROBE_CTRL_DATA_STROBES_SHIFT 8
#define TEGRA20_SPDIF_STROBE_CTRL_DATA_STROBES_MASK (0x1f << TEGRA20_SPDIF_STROBE_CTRL_DATA_STROBES_SHIFT)
/*
* Manual SPDIFIN bi-phase clock period (in terms of the number of
* over-sampling clocks).
*/
#define TEGRA20_SPDIF_STROBE_CTRL_CLOCK_PERIOD_SHIFT 0
#define TEGRA20_SPDIF_STROBE_CTRL_CLOCK_PERIOD_MASK (0x3f << TEGRA20_SPDIF_STROBE_CTRL_CLOCK_PERIOD_SHIFT)
/* Fields in SPDIF_DATA_FIFO_CSR */
/* Clear Receiver User FIFO (RX USR.FIFO) */
#define TEGRA20_SPDIF_DATA_FIFO_CSR_RU_CLR (1 << 31)
#define TEGRA20_SPDIF_FIFO_ATN_LVL_U_ONE_SLOT 0
#define TEGRA20_SPDIF_FIFO_ATN_LVL_U_TWO_SLOTS 1
#define TEGRA20_SPDIF_FIFO_ATN_LVL_U_THREE_SLOTS 2
#define TEGRA20_SPDIF_FIFO_ATN_LVL_U_FOUR_SLOTS 3
/* RU FIFO attention level */
#define TEGRA20_SPDIF_DATA_FIFO_CSR_RU_ATN_LVL_SHIFT 29
#define TEGRA20_SPDIF_DATA_FIFO_CSR_RU_ATN_LVL_MASK \
(0x3 << TEGRA20_SPDIF_DATA_FIFO_CSR_RU_ATN_LVL_SHIFT)
#define TEGRA20_SPDIF_DATA_FIFO_CSR_RU_ATN_LVL_RU1_WORD_FULL \
(TEGRA20_SPDIF_FIFO_ATN_LVL_U_ONE_SLOT << TEGRA20_SPDIF_DATA_FIFO_CSR_RU_ATN_LVL_SHIFT)
#define TEGRA20_SPDIF_DATA_FIFO_CSR_RU_ATN_LVL_RU2_WORD_FULL \
(TEGRA20_SPDIF_FIFO_ATN_LVL_U_TWO_SLOTS << TEGRA20_SPDIF_DATA_FIFO_CSR_RU_ATN_LVL_SHIFT)
#define TEGRA20_SPDIF_DATA_FIFO_CSR_RU_ATN_LVL_RU3_WORD_FULL \
(TEGRA20_SPDIF_FIFO_ATN_LVL_U_THREE_SLOTS << TEGRA20_SPDIF_DATA_FIFO_CSR_RU_ATN_LVL_SHIFT)
#define TEGRA20_SPDIF_DATA_FIFO_CSR_RU_ATN_LVL_RU4_WORD_FULL \
(TEGRA20_SPDIF_FIFO_ATN_LVL_U_FOUR_SLOTS << TEGRA20_SPDIF_DATA_FIFO_CSR_RU_ATN_LVL_SHIFT)
/* Number of RX USR.FIFO levels with valid data. */
#define TEGRA20_SPDIF_DATA_FIFO_CSR_RU_FULL_COUNT_SHIFT 24
#define TEGRA20_SPDIF_DATA_FIFO_CSR_RU_FULL_COUNT_MASK (0x1f << TEGRA20_SPDIF_DATA_FIFO_CSR_RU_FULL_COUNT_SHIFT)
/* Clear Transmitter User FIFO (TX USR.FIFO) */
#define TEGRA20_SPDIF_DATA_FIFO_CSR_TU_CLR (1 << 23)
/* TU FIFO attention level */
#define TEGRA20_SPDIF_DATA_FIFO_CSR_TU_ATN_LVL_SHIFT 21
#define TEGRA20_SPDIF_DATA_FIFO_CSR_TU_ATN_LVL_MASK \
(0x3 << TEGRA20_SPDIF_DATA_FIFO_CSR_TU_ATN_LVL_SHIFT)
#define TEGRA20_SPDIF_DATA_FIFO_CSR_TU_ATN_LVL_TU1_WORD_FULL \
(TEGRA20_SPDIF_FIFO_ATN_LVL_U_ONE_SLOT << TEGRA20_SPDIF_DATA_FIFO_CSR_TU_ATN_LVL_SHIFT)
#define TEGRA20_SPDIF_DATA_FIFO_CSR_TU_ATN_LVL_TU2_WORD_FULL \
(TEGRA20_SPDIF_FIFO_ATN_LVL_U_TWO_SLOTS << TEGRA20_SPDIF_DATA_FIFO_CSR_TU_ATN_LVL_SHIFT)
#define TEGRA20_SPDIF_DATA_FIFO_CSR_TU_ATN_LVL_TU3_WORD_FULL \
(TEGRA20_SPDIF_FIFO_ATN_LVL_U_THREE_SLOTS << TEGRA20_SPDIF_DATA_FIFO_CSR_TU_ATN_LVL_SHIFT)
#define TEGRA20_SPDIF_DATA_FIFO_CSR_TU_ATN_LVL_TU4_WORD_FULL \
(TEGRA20_SPDIF_FIFO_ATN_LVL_U_FOUR_SLOTS << TEGRA20_SPDIF_DATA_FIFO_CSR_TU_ATN_LVL_SHIFT)
/* Number of TX USR.FIFO levels that could be filled. */
#define TEGRA20_SPDIF_DATA_FIFO_CSR_TU_EMPTY_COUNT_SHIFT 16
#define TEGRA20_SPDIF_DATA_FIFO_CSR_TU_EMPTY_COUNT_MASK (0x1f << SPDIF_DATA_FIFO_CSR_TU_EMPTY_COUNT_SHIFT)
/* Clear Receiver Data FIFO (RX DATA.FIFO) */
#define TEGRA20_SPDIF_DATA_FIFO_CSR_RX_CLR (1 << 15)
#define TEGRA20_SPDIF_FIFO_ATN_LVL_D_ONE_SLOT 0
#define TEGRA20_SPDIF_FIFO_ATN_LVL_D_FOUR_SLOTS 1
#define TEGRA20_SPDIF_FIFO_ATN_LVL_D_EIGHT_SLOTS 2
#define TEGRA20_SPDIF_FIFO_ATN_LVL_D_TWELVE_SLOTS 3
/* RU FIFO attention level */
#define TEGRA20_SPDIF_DATA_FIFO_CSR_RX_ATN_LVL_SHIFT 13
#define TEGRA20_SPDIF_DATA_FIFO_CSR_RX_ATN_LVL_MASK \
(0x3 << TEGRA20_SPDIF_DATA_FIFO_CSR_RX_ATN_LVL_SHIFT)
#define TEGRA20_SPDIF_DATA_FIFO_CSR_RX_ATN_LVL_RU1_WORD_FULL \
(TEGRA20_SPDIF_FIFO_ATN_LVL_D_ONE_SLOT << TEGRA20_SPDIF_DATA_FIFO_CSR_RX_ATN_LVL_SHIFT)
#define TEGRA20_SPDIF_DATA_FIFO_CSR_RX_ATN_LVL_RU4_WORD_FULL \
(TEGRA20_SPDIF_FIFO_ATN_LVL_D_FOUR_SLOTS << TEGRA20_SPDIF_DATA_FIFO_CSR_RX_ATN_LVL_SHIFT)
#define TEGRA20_SPDIF_DATA_FIFO_CSR_RX_ATN_LVL_RU8_WORD_FULL \
(TEGRA20_SPDIF_FIFO_ATN_LVL_D_EIGHT_SLOTS << TEGRA20_SPDIF_DATA_FIFO_CSR_RX_ATN_LVL_SHIFT)
#define TEGRA20_SPDIF_DATA_FIFO_CSR_RX_ATN_LVL_RU12_WORD_FULL \
(TEGRA20_SPDIF_FIFO_ATN_LVL_D_TWELVE_SLOTS << TEGRA20_SPDIF_DATA_FIFO_CSR_RX_ATN_LVL_SHIFT)
/* Number of RX DATA.FIFO levels with valid data. */
#define TEGRA20_SPDIF_DATA_FIFO_CSR_RX_FULL_COUNT_SHIFT 8
#define TEGRA20_SPDIF_DATA_FIFO_CSR_RX_FULL_COUNT_MASK (0x1f << TEGRA20_SPDIF_DATA_FIFO_CSR_RX_FULL_COUNT_SHIFT)
/* Clear Transmitter Data FIFO (TX DATA.FIFO) */
#define TEGRA20_SPDIF_DATA_FIFO_CSR_TX_CLR (1 << 7)
/* TU FIFO attention level */
#define TEGRA20_SPDIF_DATA_FIFO_CSR_TX_ATN_LVL_SHIFT 5
#define TEGRA20_SPDIF_DATA_FIFO_CSR_TX_ATN_LVL_MASK \
(0x3 << TEGRA20_SPDIF_DATA_FIFO_CSR_TX_ATN_LVL_SHIFT)
#define TEGRA20_SPDIF_DATA_FIFO_CSR_TX_ATN_LVL_TU1_WORD_FULL \
(TEGRA20_SPDIF_FIFO_ATN_LVL_D_ONE_SLOT << TEGRA20_SPDIF_DATA_FIFO_CSR_TX_ATN_LVL_SHIFT)
#define TEGRA20_SPDIF_DATA_FIFO_CSR_TX_ATN_LVL_TU4_WORD_FULL \
(TEGRA20_SPDIF_FIFO_ATN_LVL_D_FOUR_SLOTS << TEGRA20_SPDIF_DATA_FIFO_CSR_TX_ATN_LVL_SHIFT)
#define TEGRA20_SPDIF_DATA_FIFO_CSR_TX_ATN_LVL_TU8_WORD_FULL \
(TEGRA20_SPDIF_FIFO_ATN_LVL_D_EIGHT_SLOTS << TEGRA20_SPDIF_DATA_FIFO_CSR_TX_ATN_LVL_SHIFT)
#define TEGRA20_SPDIF_DATA_FIFO_CSR_TX_ATN_LVL_TU12_WORD_FULL \
(TEGRA20_SPDIF_FIFO_ATN_LVL_D_TWELVE_SLOTS << TEGRA20_SPDIF_DATA_FIFO_CSR_TX_ATN_LVL_SHIFT)
/* Number of TX DATA.FIFO levels that could be filled. */
#define TEGRA20_SPDIF_DATA_FIFO_CSR_TX_EMPTY_COUNT_SHIFT 0
#define TEGRA20_SPDIF_DATA_FIFO_CSR_TX_EMPTY_COUNT_MASK (0x1f << SPDIF_DATA_FIFO_CSR_TX_EMPTY_COUNT_SHIFT)
/* Fields in TEGRA20_SPDIF_DATA_OUT */
/*
* This register has 5 different formats:
* 16-bit (BIT_MODE=00, PACK=0)
* 20-bit (BIT_MODE=01, PACK=0)
* 24-bit (BIT_MODE=10, PACK=0)
* raw (BIT_MODE=11, PACK=0)
* 16-bit packed (BIT_MODE=00, PACK=1)
*/
#define TEGRA20_SPDIF_DATA_OUT_DATA_16_SHIFT 0
#define TEGRA20_SPDIF_DATA_OUT_DATA_16_MASK (0xffff << TEGRA20_SPDIF_DATA_OUT_DATA_16_SHIFT)
#define TEGRA20_SPDIF_DATA_OUT_DATA_20_SHIFT 0
#define TEGRA20_SPDIF_DATA_OUT_DATA_20_MASK (0xfffff << TEGRA20_SPDIF_DATA_OUT_DATA_20_SHIFT)
#define TEGRA20_SPDIF_DATA_OUT_DATA_24_SHIFT 0
#define TEGRA20_SPDIF_DATA_OUT_DATA_24_MASK (0xffffff << TEGRA20_SPDIF_DATA_OUT_DATA_24_SHIFT)
#define TEGRA20_SPDIF_DATA_OUT_DATA_RAW_P (1 << 31)
#define TEGRA20_SPDIF_DATA_OUT_DATA_RAW_C (1 << 30)
#define TEGRA20_SPDIF_DATA_OUT_DATA_RAW_U (1 << 29)
#define TEGRA20_SPDIF_DATA_OUT_DATA_RAW_V (1 << 28)
#define TEGRA20_SPDIF_DATA_OUT_DATA_RAW_DATA_SHIFT 8
#define TEGRA20_SPDIF_DATA_OUT_DATA_RAW_DATA_MASK (0xfffff << TEGRA20_SPDIF_DATA_OUT_DATA_RAW_DATA_SHIFT)
#define TEGRA20_SPDIF_DATA_OUT_DATA_RAW_AUX_SHIFT 4
#define TEGRA20_SPDIF_DATA_OUT_DATA_RAW_AUX_MASK (0xf << TEGRA20_SPDIF_DATA_OUT_DATA_RAW_AUX_SHIFT)
#define TEGRA20_SPDIF_DATA_OUT_DATA_RAW_PREAMBLE_SHIFT 0
#define TEGRA20_SPDIF_DATA_OUT_DATA_RAW_PREAMBLE_MASK (0xf << TEGRA20_SPDIF_DATA_OUT_DATA_RAW_PREAMBLE_SHIFT)
#define TEGRA20_SPDIF_DATA_OUT_DATA_16_PACKED_RIGHT_SHIFT 16
#define TEGRA20_SPDIF_DATA_OUT_DATA_16_PACKED_RIGHT_MASK (0xffff << TEGRA20_SPDIF_DATA_OUT_DATA_16_PACKED_RIGHT_SHIFT)
#define TEGRA20_SPDIF_DATA_OUT_DATA_16_PACKED_LEFT_SHIFT 0
#define TEGRA20_SPDIF_DATA_OUT_DATA_16_PACKED_LEFT_MASK (0xffff << TEGRA20_SPDIF_DATA_OUT_DATA_16_PACKED_LEFT_SHIFT)
/* Fields in TEGRA20_SPDIF_DATA_IN */
/*
* This register has 5 different formats:
* 16-bit (BIT_MODE=00, PACK=0)
* 20-bit (BIT_MODE=01, PACK=0)
* 24-bit (BIT_MODE=10, PACK=0)
* raw (BIT_MODE=11, PACK=0)
* 16-bit packed (BIT_MODE=00, PACK=1)
*
* Bits 31:24 are common to all modes except 16-bit packed
*/
#define TEGRA20_SPDIF_DATA_IN_DATA_P (1 << 31)
#define TEGRA20_SPDIF_DATA_IN_DATA_C (1 << 30)
#define TEGRA20_SPDIF_DATA_IN_DATA_U (1 << 29)
#define TEGRA20_SPDIF_DATA_IN_DATA_V (1 << 28)
#define TEGRA20_SPDIF_DATA_IN_DATA_PREAMBLE_SHIFT 24
#define TEGRA20_SPDIF_DATA_IN_DATA_PREAMBLE_MASK (0xf << TEGRA20_SPDIF_DATA_IN_DATA_PREAMBLE_SHIFT)
#define TEGRA20_SPDIF_DATA_IN_DATA_16_SHIFT 0
#define TEGRA20_SPDIF_DATA_IN_DATA_16_MASK (0xffff << TEGRA20_SPDIF_DATA_IN_DATA_16_SHIFT)
#define TEGRA20_SPDIF_DATA_IN_DATA_20_SHIFT 0
#define TEGRA20_SPDIF_DATA_IN_DATA_20_MASK (0xfffff << TEGRA20_SPDIF_DATA_IN_DATA_20_SHIFT)
#define TEGRA20_SPDIF_DATA_IN_DATA_24_SHIFT 0
#define TEGRA20_SPDIF_DATA_IN_DATA_24_MASK (0xffffff << TEGRA20_SPDIF_DATA_IN_DATA_24_SHIFT)
#define TEGRA20_SPDIF_DATA_IN_DATA_RAW_DATA_SHIFT 8
#define TEGRA20_SPDIF_DATA_IN_DATA_RAW_DATA_MASK (0xfffff << TEGRA20_SPDIF_DATA_IN_DATA_RAW_DATA_SHIFT)
#define TEGRA20_SPDIF_DATA_IN_DATA_RAW_AUX_SHIFT 4
#define TEGRA20_SPDIF_DATA_IN_DATA_RAW_AUX_MASK (0xf << TEGRA20_SPDIF_DATA_IN_DATA_RAW_AUX_SHIFT)
#define TEGRA20_SPDIF_DATA_IN_DATA_RAW_PREAMBLE_SHIFT 0
#define TEGRA20_SPDIF_DATA_IN_DATA_RAW_PREAMBLE_MASK (0xf << TEGRA20_SPDIF_DATA_IN_DATA_RAW_PREAMBLE_SHIFT)
#define TEGRA20_SPDIF_DATA_IN_DATA_16_PACKED_RIGHT_SHIFT 16
#define TEGRA20_SPDIF_DATA_IN_DATA_16_PACKED_RIGHT_MASK (0xffff << TEGRA20_SPDIF_DATA_IN_DATA_16_PACKED_RIGHT_SHIFT)
#define TEGRA20_SPDIF_DATA_IN_DATA_16_PACKED_LEFT_SHIFT 0
#define TEGRA20_SPDIF_DATA_IN_DATA_16_PACKED_LEFT_MASK (0xffff << TEGRA20_SPDIF_DATA_IN_DATA_16_PACKED_LEFT_SHIFT)
/* Fields in TEGRA20_SPDIF_CH_STA_RX_A */
/* Fields in TEGRA20_SPDIF_CH_STA_RX_B */
/* Fields in TEGRA20_SPDIF_CH_STA_RX_C */
/* Fields in TEGRA20_SPDIF_CH_STA_RX_D */
/* Fields in TEGRA20_SPDIF_CH_STA_RX_E */
/* Fields in TEGRA20_SPDIF_CH_STA_RX_F */
/*
* The 6-word receive channel data page buffer holds a block (192 frames) of
* channel status information. The order of receive is from LSB to MSB
* bit, and from CH_STA_RX_A to CH_STA_RX_F then back to CH_STA_RX_A.
*/
/* Fields in TEGRA20_SPDIF_CH_STA_TX_A */
/* Fields in TEGRA20_SPDIF_CH_STA_TX_B */
/* Fields in TEGRA20_SPDIF_CH_STA_TX_C */
/* Fields in TEGRA20_SPDIF_CH_STA_TX_D */
/* Fields in TEGRA20_SPDIF_CH_STA_TX_E */
/* Fields in TEGRA20_SPDIF_CH_STA_TX_F */
/*
* The 6-word transmit channel data page buffer holds a block (192 frames) of
* channel status information. The order of transmission is from LSB to MSB
* bit, and from CH_STA_TX_A to CH_STA_TX_F then back to CH_STA_TX_A.
*/
/* Fields in TEGRA20_SPDIF_USR_STA_RX_A */
/*
* This 4-word deep FIFO receives user FIFO field information. The order of
* receive is from LSB to MSB bit.
*/
/* Fields in TEGRA20_SPDIF_USR_DAT_TX_A */
/*
* This 4-word deep FIFO transmits user FIFO field information. The order of
* transmission is from LSB to MSB bit.
*/
struct tegra20_spdif {
struct clk *clk_spdif_out;
struct snd_dmaengine_dai_dma_data capture_dma_data;
struct snd_dmaengine_dai_dma_data playback_dma_data;
struct regmap *regmap;
struct reset_control *reset;
};
#endif
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