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 9 101 102 enum { 103 CURVE_POLY, 104 CURVE_LINEAR, 105 }; 106 107 struct 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 }; 114 115 struct 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