1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * tegra210_ope.h - Definitions for Tegra210 OPE driver
4 *
5 * Copyright (c) 2022, NVIDIA CORPORATION. All rights reserved.
6 *
7 */
8
9#ifndef __TEGRA210_OPE_H__
10#define __TEGRA210_OPE_H__
11
12#include <linux/regmap.h>
13#include <sound/soc.h>
14
15#include "tegra210_peq.h"
16
17/*
18 * OPE_RX registers are with respect to XBAR.
19 * The data comes from XBAR to OPE
20 */
21#define TEGRA210_OPE_RX_STATUS 0xc
22#define TEGRA210_OPE_RX_INT_STATUS 0x10
23#define TEGRA210_OPE_RX_INT_MASK 0x14
24#define TEGRA210_OPE_RX_INT_SET 0x18
25#define TEGRA210_OPE_RX_INT_CLEAR 0x1c
26#define TEGRA210_OPE_RX_CIF_CTRL 0x20
27
28/*
29 * OPE_TX registers are with respect to XBAR.
30 * The data goes out from OPE to XBAR
31 */
32#define TEGRA210_OPE_TX_STATUS 0x4c
33#define TEGRA210_OPE_TX_INT_STATUS 0x50
34#define TEGRA210_OPE_TX_INT_MASK 0x54
35#define TEGRA210_OPE_TX_INT_SET 0x58
36#define TEGRA210_OPE_TX_INT_CLEAR 0x5c
37#define TEGRA210_OPE_TX_CIF_CTRL 0x60
38
39/* OPE Gloabal registers */
40#define TEGRA210_OPE_ENABLE 0x80
41#define TEGRA210_OPE_SOFT_RESET 0x84
42#define TEGRA210_OPE_CG 0x88
43#define TEGRA210_OPE_STATUS 0x8c
44#define TEGRA210_OPE_INT_STATUS 0x90
45#define TEGRA210_OPE_DIR 0x94
46
47/* Fields for TEGRA210_OPE_ENABLE */
48#define TEGRA210_OPE_EN_SHIFT 0
49#define TEGRA210_OPE_EN (1 << TEGRA210_OPE_EN_SHIFT)
50
51/* Fields for TEGRA210_OPE_SOFT_RESET */
52#define TEGRA210_OPE_SOFT_RESET_SHIFT 0
53#define TEGRA210_OPE_SOFT_RESET_EN (1 << TEGRA210_OPE_SOFT_RESET_SHIFT)
54
55#define TEGRA210_OPE_DIR_SHIFT 0
56
57struct tegra210_ope {
58 struct regmap *regmap;
59 struct regmap *peq_regmap;
60 struct regmap *mbdrc_regmap;
61 u32 peq_biquad_gains[TEGRA210_PEQ_GAIN_PARAM_SIZE_PER_CH];
62 u32 peq_biquad_shifts[TEGRA210_PEQ_SHIFT_PARAM_SIZE_PER_CH];
63 unsigned int data_dir;
64};
65
66/* Extension of soc_bytes structure defined in sound/soc.h */
67struct tegra_soc_bytes {
68 struct soc_bytes soc;
69 u32 shift; /* Used as offset for AHUB RAM related programing */
70};
71
72/* Utility structures for using mixer control of type snd_soc_bytes */
73#define TEGRA_SOC_BYTES_EXT(xname, xbase, xregs, xshift, xmask, \
74 xhandler_get, xhandler_put, xinfo) \
75{ \
76 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
77 .name = xname, \
78 .info = xinfo, \
79 .get = xhandler_get, \
80 .put = xhandler_put, \
81 .private_value = ((unsigned long)&(struct tegra_soc_bytes) \
82 { \
83 .soc.base = xbase, \
84 .soc.num_regs = xregs, \
85 .soc.mask = xmask, \
86 .shift = xshift \
87 }) \
88}
89
90#endif
91

source code of linux/sound/soc/tegra/tegra210_ope.h