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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* tegra210_sfc.h - Definitions for Tegra210 SFC driver
*
* Copyright (c) 2021-2023 NVIDIA CORPORATION. All rights reserved.
*
*/
#ifndef __TEGRA210_SFC_H__
#define __TEGRA210_SFC_H__
/*
* SFC_RX registers are with respect to XBAR.
* The data comes from XBAR to SFC.
*/
#define TEGRA210_SFC_RX_STATUS 0x0c
#define TEGRA210_SFC_RX_INT_STATUS 0x10
#define TEGRA210_SFC_RX_INT_MASK 0x14
#define TEGRA210_SFC_RX_INT_SET 0x18
#define TEGRA210_SFC_RX_INT_CLEAR 0x1c
#define TEGRA210_SFC_RX_CIF_CTRL 0x20
#define TEGRA210_SFC_RX_FREQ 0x24
/*
* SFC_TX registers are with respect to XBAR.
* The data goes out of SFC.
*/
#define TEGRA210_SFC_TX_STATUS 0x4c
#define TEGRA210_SFC_TX_INT_STATUS 0x50
#define TEGRA210_SFC_TX_INT_MASK 0x54
#define TEGRA210_SFC_TX_INT_SET 0x58
#define TEGRA210_SFC_TX_INT_CLEAR 0x5c
#define TEGRA210_SFC_TX_CIF_CTRL 0x60
#define TEGRA210_SFC_TX_FREQ 0x64
/* Register offsets from TEGRA210_SFC*_BASE */
#define TEGRA210_SFC_ENABLE 0x80
#define TEGRA210_SFC_SOFT_RESET 0x84
#define TEGRA210_SFC_CG 0x88
#define TEGRA210_SFC_STATUS 0x8c
#define TEGRA210_SFC_INT_STATUS 0x90
#define TEGRA210_SFC_COEF_RAM 0xbc
#define TEGRA210_SFC_CFG_RAM_CTRL 0xc0
#define TEGRA210_SFC_CFG_RAM_DATA 0xc4
/* Fields in TEGRA210_SFC_ENABLE */
#define TEGRA210_SFC_EN_SHIFT 0
#define TEGRA210_SFC_EN (1 << TEGRA210_SFC_EN_SHIFT)
#define TEGRA210_SFC_NUM_RATES 13
/* Fields in TEGRA210_SFC_COEF_RAM */
#define TEGRA210_SFC_COEF_RAM_EN BIT(0)
#define TEGRA210_SFC_SOFT_RESET_EN BIT(0)
/* Coefficients */
#define TEGRA210_SFC_COEF_RAM_DEPTH 64
#define TEGRA210_SFC_RAM_CTRL_RW_WRITE (1 << 14)
#define TEGRA210_SFC_RAM_CTRL_ADDR_INIT_EN (1 << 13)
#define TEGRA210_SFC_RAM_CTRL_SEQ_ACCESS_EN (1 << 12)
enum tegra210_sfc_path {
SFC_RX_PATH,
SFC_TX_PATH,
SFC_PATHS,
};
struct tegra210_sfc {
unsigned int mono_to_stereo[SFC_PATHS];
unsigned int stereo_to_mono[SFC_PATHS];
unsigned int srate_out;
unsigned int srate_in;
struct regmap *regmap;
};
#endif