79 lines
2.0 KiB
C
79 lines
2.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* tegra210_sfc.h - Definitions for Tegra210 SFC driver
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*
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* Copyright (c) 2021 NVIDIA CORPORATION. All rights reserved.
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*
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*/
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#ifndef __TEGRA210_SFC_H__
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#define __TEGRA210_SFC_H__
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/*
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* SFC_RX registers are with respect to XBAR.
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* The data comes from XBAR to SFC.
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*/
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#define TEGRA210_SFC_RX_STATUS 0x0c
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#define TEGRA210_SFC_RX_INT_STATUS 0x10
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#define TEGRA210_SFC_RX_INT_MASK 0x14
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#define TEGRA210_SFC_RX_INT_SET 0x18
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#define TEGRA210_SFC_RX_INT_CLEAR 0x1c
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#define TEGRA210_SFC_RX_CIF_CTRL 0x20
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#define TEGRA210_SFC_RX_FREQ 0x24
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/*
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* SFC_TX registers are with respect to XBAR.
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* The data goes out of SFC.
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*/
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#define TEGRA210_SFC_TX_STATUS 0x4c
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#define TEGRA210_SFC_TX_INT_STATUS 0x50
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#define TEGRA210_SFC_TX_INT_MASK 0x54
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#define TEGRA210_SFC_TX_INT_SET 0x58
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#define TEGRA210_SFC_TX_INT_CLEAR 0x5c
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#define TEGRA210_SFC_TX_CIF_CTRL 0x60
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#define TEGRA210_SFC_TX_FREQ 0x64
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/* Register offsets from TEGRA210_SFC*_BASE */
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#define TEGRA210_SFC_ENABLE 0x80
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#define TEGRA210_SFC_SOFT_RESET 0x84
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#define TEGRA210_SFC_CG 0x88
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#define TEGRA210_SFC_STATUS 0x8c
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#define TEGRA210_SFC_INT_STATUS 0x90
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#define TEGRA210_SFC_COEF_RAM 0xbc
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#define TEGRA210_SFC_CFG_RAM_CTRL 0xc0
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#define TEGRA210_SFC_CFG_RAM_DATA 0xc4
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/* Fields in TEGRA210_SFC_ENABLE */
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#define TEGRA210_SFC_EN_SHIFT 0
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#define TEGRA210_SFC_EN (1 << TEGRA210_SFC_EN_SHIFT)
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#define TEGRA210_SFC_NUM_RATES 12
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/* Fields in TEGRA210_SFC_COEF_RAM */
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#define TEGRA210_SFC_COEF_RAM_EN BIT(0)
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#define TEGRA210_SFC_SOFT_RESET_EN BIT(0)
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/* Coefficients */
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#define TEGRA210_SFC_COEF_RAM_DEPTH 64
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#define TEGRA210_SFC_RAM_CTRL_RW_WRITE (1 << 14)
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#define TEGRA210_SFC_RAM_CTRL_ADDR_INIT_EN (1 << 13)
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#define TEGRA210_SFC_RAM_CTRL_SEQ_ACCESS_EN (1 << 12)
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enum tegra210_sfc_path {
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SFC_RX_PATH,
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SFC_TX_PATH,
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SFC_PATHS,
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};
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struct tegra210_sfc {
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unsigned int mono_to_stereo[SFC_PATHS];
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unsigned int stereo_to_mono[SFC_PATHS];
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unsigned int srate_out;
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unsigned int srate_in;
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struct regmap *regmap;
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};
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#endif
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