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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* tegra210_amx.h - Definitions for Tegra210 AMX driver
*
* Copyright (c) 2021, NVIDIA CORPORATION. All rights reserved.
*
*/
#ifndef __TEGRA210_AMX_H__
#define __TEGRA210_AMX_H__
/* Register offsets from TEGRA210_AMX*_BASE */
#define TEGRA210_AMX_RX_STATUS 0x0c
#define TEGRA210_AMX_RX_INT_STATUS 0x10
#define TEGRA210_AMX_RX_INT_MASK 0x14
#define TEGRA210_AMX_RX_INT_SET 0x18
#define TEGRA210_AMX_RX_INT_CLEAR 0x1c
#define TEGRA210_AMX_RX1_CIF_CTRL 0x20
#define TEGRA210_AMX_RX2_CIF_CTRL 0x24
#define TEGRA210_AMX_RX3_CIF_CTRL 0x28
#define TEGRA210_AMX_RX4_CIF_CTRL 0x2c
#define TEGRA210_AMX_TX_STATUS 0x4c
#define TEGRA210_AMX_TX_INT_STATUS 0x50
#define TEGRA210_AMX_TX_INT_MASK 0x54
#define TEGRA210_AMX_TX_INT_SET 0x58
#define TEGRA210_AMX_TX_INT_CLEAR 0x5c
#define TEGRA210_AMX_TX_CIF_CTRL 0x60
#define TEGRA210_AMX_ENABLE 0x80
#define TEGRA210_AMX_SOFT_RESET 0x84
#define TEGRA210_AMX_CG 0x88
#define TEGRA210_AMX_STATUS 0x8c
#define TEGRA210_AMX_INT_STATUS 0x90
#define TEGRA210_AMX_CTRL 0xa4
#define TEGRA210_AMX_OUT_BYTE_EN0 0xa8
#define TEGRA210_AMX_OUT_BYTE_EN1 0xac
#define TEGRA210_AMX_CYA 0xb0
#define TEGRA210_AMX_CFG_RAM_CTRL 0xb8
#define TEGRA210_AMX_CFG_RAM_DATA 0xbc
#define TEGRA194_AMX_RX1_FRAME_PERIOD 0xc0
#define TEGRA194_AMX_RX4_FRAME_PERIOD 0xcc
#define TEGRA194_AMX_RX4_LAST_FRAME_PERIOD 0xdc
/* Fields in TEGRA210_AMX_ENABLE */
#define TEGRA210_AMX_ENABLE_SHIFT 0
/* Fields in TEGRA210_AMX_CTRL */
#define TEGRA210_AMX_CTRL_MSTR_RX_NUM_SHIFT 14
#define TEGRA210_AMX_CTRL_MSTR_RX_NUM_MASK (3 << TEGRA210_AMX_CTRL_MSTR_RX_NUM_SHIFT)
#define TEGRA210_AMX_CTRL_RX_DEP_SHIFT 12
#define TEGRA210_AMX_CTRL_RX_DEP_MASK (3 << TEGRA210_AMX_CTRL_RX_DEP_SHIFT)
/* Fields in TEGRA210_AMX_CFG_RAM_CTRL */
#define TEGRA210_AMX_CFG_RAM_CTRL_RW_SHIFT 14
#define TEGRA210_AMX_CFG_RAM_CTRL_RW_WRITE (1 << TEGRA210_AMX_CFG_RAM_CTRL_RW_SHIFT)
#define TEGRA210_AMX_CFG_RAM_CTRL_ADDR_INIT_EN_SHIFT 13
#define TEGRA210_AMX_CFG_RAM_CTRL_ADDR_INIT_EN (1 << TEGRA210_AMX_CFG_RAM_CTRL_ADDR_INIT_EN_SHIFT)
#define TEGRA210_AMX_CFG_RAM_CTRL_SEQ_ACCESS_EN_SHIFT 12
#define TEGRA210_AMX_CFG_RAM_CTRL_SEQ_ACCESS_EN (1 << TEGRA210_AMX_CFG_RAM_CTRL_SEQ_ACCESS_EN_SHIFT)
#define TEGRA210_AMX_CFG_CTRL_RAM_ADDR_SHIFT 0
/* Fields in TEGRA210_AMX_SOFT_RESET */
#define TEGRA210_AMX_SOFT_RESET_SOFT_EN 1
#define TEGRA210_AMX_SOFT_RESET_SOFT_RESET_MASK TEGRA210_AMX_SOFT_RESET_SOFT_EN
#define TEGRA210_AMX_AUDIOCIF_CH_STRIDE 4
#define TEGRA210_AMX_RAM_DEPTH 16
#define TEGRA210_AMX_MAP_STREAM_NUM_SHIFT 6
#define TEGRA210_AMX_MAP_WORD_NUM_SHIFT 2
#define TEGRA210_AMX_MAP_BYTE_NUM_SHIFT 0
enum {
TEGRA210_AMX_WAIT_ON_ALL,
TEGRA210_AMX_WAIT_ON_ANY,
};
struct tegra210_amx_soc_data {
const struct regmap_config *regmap_conf;
bool auto_disable;
};
struct tegra210_amx {
const struct tegra210_amx_soc_data *soc_data;
unsigned int map[TEGRA210_AMX_RAM_DEPTH];
struct regmap *regmap;
unsigned int byte_mask[2];
};
#endif
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