1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 * tegra210_sfc.h - Definitions for Tegra210 SFC driver
 4 *
 5 * Copyright (c) 2021 NVIDIA CORPORATION.  All rights reserved.
 6 *
 7 */
 8
 9#ifndef __TEGRA210_SFC_H__
10#define __TEGRA210_SFC_H__
11
12/*
13 * SFC_RX registers are with respect to XBAR.
14 * The data comes from XBAR to SFC.
15 */
16#define TEGRA210_SFC_RX_STATUS			0x0c
17#define TEGRA210_SFC_RX_INT_STATUS		0x10
18#define TEGRA210_SFC_RX_INT_MASK		0x14
19#define TEGRA210_SFC_RX_INT_SET			0x18
20#define TEGRA210_SFC_RX_INT_CLEAR		0x1c
21#define TEGRA210_SFC_RX_CIF_CTRL		0x20
22#define TEGRA210_SFC_RX_FREQ			0x24
23
24/*
25 * SFC_TX registers are with respect to XBAR.
26 * The data goes out of SFC.
27 */
28#define TEGRA210_SFC_TX_STATUS			0x4c
29#define TEGRA210_SFC_TX_INT_STATUS		0x50
30#define TEGRA210_SFC_TX_INT_MASK		0x54
31#define TEGRA210_SFC_TX_INT_SET			0x58
32#define TEGRA210_SFC_TX_INT_CLEAR		0x5c
33#define TEGRA210_SFC_TX_CIF_CTRL		0x60
34#define TEGRA210_SFC_TX_FREQ			0x64
35
36/* Register offsets from TEGRA210_SFC*_BASE */
37#define TEGRA210_SFC_ENABLE			0x80
38#define TEGRA210_SFC_SOFT_RESET			0x84
39#define TEGRA210_SFC_CG				0x88
40#define TEGRA210_SFC_STATUS			0x8c
41#define TEGRA210_SFC_INT_STATUS			0x90
42#define TEGRA210_SFC_COEF_RAM			0xbc
43#define TEGRA210_SFC_CFG_RAM_CTRL		0xc0
44#define TEGRA210_SFC_CFG_RAM_DATA		0xc4
45
46/* Fields in TEGRA210_SFC_ENABLE */
47#define TEGRA210_SFC_EN_SHIFT			0
48#define TEGRA210_SFC_EN				(1 << TEGRA210_SFC_EN_SHIFT)
49
50#define TEGRA210_SFC_NUM_RATES 12
51
52/* Fields in TEGRA210_SFC_COEF_RAM */
53#define TEGRA210_SFC_COEF_RAM_EN		BIT(0)
54
55#define TEGRA210_SFC_SOFT_RESET_EN              BIT(0)
56
57/* Coefficients */
58#define TEGRA210_SFC_COEF_RAM_DEPTH		64
59#define TEGRA210_SFC_RAM_CTRL_RW_WRITE		(1 << 14)
60#define TEGRA210_SFC_RAM_CTRL_ADDR_INIT_EN	(1 << 13)
61#define TEGRA210_SFC_RAM_CTRL_SEQ_ACCESS_EN	(1 << 12)
62
63
64enum tegra210_sfc_path {
65	SFC_RX_PATH,
66	SFC_TX_PATH,
67	SFC_PATHS,
68};
69
70struct tegra210_sfc {
71	unsigned int mono_to_stereo[SFC_PATHS];
72	unsigned int stereo_to_mono[SFC_PATHS];
73	unsigned int srate_out;
74	unsigned int srate_in;
75	struct regmap *regmap;
76};
77
78#endif