1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * tegra210_mvc.h - Definitions for Tegra210 MVC driver
4 *
5 * Copyright (c) 2021 NVIDIA CORPORATION. All rights reserved.
6 *
7 */
8
9#ifndef __TEGRA210_MVC_H__
10#define __TEGRA210_MVC_H__
11
12/*
13 * MVC_RX registers are with respect to XBAR.
14 * The data comes from XBAR to MVC.
15 */
16#define TEGRA210_MVC_RX_STATUS 0x0c
17#define TEGRA210_MVC_RX_INT_STATUS 0x10
18#define TEGRA210_MVC_RX_INT_MASK 0x14
19#define TEGRA210_MVC_RX_INT_SET 0x18
20#define TEGRA210_MVC_RX_INT_CLEAR 0x1c
21#define TEGRA210_MVC_RX_CIF_CTRL 0x20
22
23/*
24 * MVC_TX registers are with respect to XBAR.
25 * The data goes out of MVC.
26 */
27#define TEGRA210_MVC_TX_STATUS 0x4c
28#define TEGRA210_MVC_TX_INT_STATUS 0x50
29#define TEGRA210_MVC_TX_INT_MASK 0x54
30#define TEGRA210_MVC_TX_INT_SET 0x58
31#define TEGRA210_MVC_TX_INT_CLEAR 0x5c
32#define TEGRA210_MVC_TX_CIF_CTRL 0x60
33
34/* Register offsets from TEGRA210_MVC*_BASE */
35#define TEGRA210_MVC_ENABLE 0x80
36#define TEGRA210_MVC_SOFT_RESET 0x84
37#define TEGRA210_MVC_CG 0x88
38#define TEGRA210_MVC_STATUS 0x90
39#define TEGRA210_MVC_INT_STATUS 0x94
40#define TEGRA210_MVC_CTRL 0xa8
41#define TEGRA210_MVC_SWITCH 0xac
42#define TEGRA210_MVC_INIT_VOL 0xb0
43#define TEGRA210_MVC_TARGET_VOL 0xd0
44#define TEGRA210_MVC_DURATION 0xf0
45#define TEGRA210_MVC_DURATION_INV 0xf4
46#define TEGRA210_MVC_POLY_N1 0xf8
47#define TEGRA210_MVC_POLY_N2 0xfc
48#define TEGRA210_MVC_PEAK_CTRL 0x100
49#define TEGRA210_MVC_CFG_RAM_CTRL 0x104
50#define TEGRA210_MVC_CFG_RAM_DATA 0x108
51#define TEGRA210_MVC_PEAK_VALUE 0x10c
52#define TEGRA210_MVC_CONFIG_ERR_TYPE 0x12c
53
54/* Fields in TEGRA210_MVC_ENABLE */
55#define TEGRA210_MVC_EN_SHIFT 0
56#define TEGRA210_MVC_EN (1 << TEGRA210_MVC_EN_SHIFT)
57
58#define TEGRA210_MVC_MUTE_SHIFT 8
59#define TEGRA210_MUTE_MASK_EN 0xff
60#define TEGRA210_MVC_MUTE_MASK (TEGRA210_MUTE_MASK_EN << TEGRA210_MVC_MUTE_SHIFT)
61#define TEGRA210_MVC_MUTE_EN (TEGRA210_MUTE_MASK_EN << TEGRA210_MVC_MUTE_SHIFT)
62#define TEGRA210_MVC_CH0_MUTE_EN 1
63
64#define TEGRA210_MVC_PER_CHAN_CTRL_EN_SHIFT 30
65#define TEGRA210_MVC_PER_CHAN_CTRL_EN_MASK (1 << TEGRA210_MVC_PER_CHAN_CTRL_EN_SHIFT)
66#define TEGRA210_MVC_PER_CHAN_CTRL_EN (1 << TEGRA210_MVC_PER_CHAN_CTRL_EN_SHIFT)
67
68#define TEGRA210_MVC_CURVE_TYPE_SHIFT 1
69#define TEGRA210_MVC_CURVE_TYPE_MASK (1 << TEGRA210_MVC_CURVE_TYPE_SHIFT)
70
71#define TEGRA210_MVC_VOLUME_SWITCH_SHIFT 2
72#define TEGRA210_MVC_VOLUME_SWITCH_MASK (1 << TEGRA210_MVC_VOLUME_SWITCH_SHIFT)
73#define TEGRA210_MVC_VOLUME_SWITCH_TRIGGER (1 << TEGRA210_MVC_VOLUME_SWITCH_SHIFT)
74#define TEGRA210_MVC_CTRL_DEFAULT 0x40000003
75
76#define TEGRA210_MVC_INIT_VOL_DEFAULT_POLY 0x01000000
77#define TEGRA210_MVC_INIT_VOL_DEFAULT_LINEAR 0x00000000
78
79/* Fields in TEGRA210_MVC ram ctrl */
80#define TEGRA210_MVC_CFG_RAM_CTRL_RW_SHIFT 14
81#define TEGRA210_MVC_CFG_RAM_CTRL_RW_WRITE (1 << TEGRA210_MVC_CFG_RAM_CTRL_RW_SHIFT)
82
83#define TEGRA210_MVC_CFG_RAM_CTRL_ADDR_INIT_EN_SHIFT 13
84#define TEGRA210_MVC_CFG_RAM_CTRL_ADDR_INIT_EN (1 << TEGRA210_MVC_CFG_RAM_CTRL_ADDR_INIT_EN_SHIFT)
85
86#define TEGRA210_MVC_CFG_RAM_CTRL_SEQ_ACCESS_EN_SHIFT 12
87#define TEGRA210_MVC_CFG_RAM_CTRL_SEQ_ACCESS_EN (1 << TEGRA210_MVC_CFG_RAM_CTRL_SEQ_ACCESS_EN_SHIFT)
88
89#define TEGRA210_MVC_CFG_RAM_CTRL_ADDR_SHIFT 0
90#define TEGRA210_MVC_CFG_RAM_CTRL_ADDR_MASK (0x1ff << TEGRA210_MVC_CFG_RAM_CTRL_ADDR_SHIFT)
91
92#define REG_SIZE 4
93#define TEGRA210_MVC_MAX_CHAN_COUNT 8
94#define TEGRA210_MVC_REG_OFFSET(reg, i) (reg + (REG_SIZE * i))
95
96#define TEGRA210_MVC_GET_CHAN(reg, base) (((reg) - (base)) / REG_SIZE)
97
98#define TEGRA210_GET_MUTE_VAL(val) (((val) >> TEGRA210_MVC_MUTE_SHIFT) & TEGRA210_MUTE_MASK_EN)
99
100#define NUM_GAIN_POLY_COEFFS 9
101
102enum {
103 CURVE_POLY,
104 CURVE_LINEAR,
105};
106
107struct tegra210_mvc_gain_params {
108 int poly_coeff[NUM_GAIN_POLY_COEFFS];
109 int poly_n1;
110 int poly_n2;
111 int duration;
112 int duration_inv;
113};
114
115struct tegra210_mvc {
116 int volume[TEGRA210_MVC_MAX_CHAN_COUNT];
117 unsigned int curve_type;
118 unsigned int ctrl_value;
119 struct regmap *regmap;
120};
121
122#endif
123

source code of linux/sound/soc/tegra/tegra210_mvc.h