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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2016, NVIDIA CORPORATION.
*/
#ifndef _TEGRA186_GPIO_PRIV_H_
#define _TEGRA186_GPIO_PRIV_H_
/*
* For each GPIO, there are a set of registers than affect it, all packed
* back-to-back.
*/
#include <linux/bitops.h>
#define TEGRA186_GPIO_ENABLE_CONFIG 0x00
#define TEGRA186_GPIO_ENABLE_CONFIG_ENABLE BIT(0)
#define TEGRA186_GPIO_ENABLE_CONFIG_OUT BIT(1)
#define TEGRA186_GPIO_ENABLE_CONFIG_TRIGGER_TYPE_SHIFT 2
#define TEGRA186_GPIO_ENABLE_CONFIG_TRIGGER_TYPE_MASK 3
#define TEGRA186_GPIO_ENABLE_CONFIG_TRIGGER_TYPE_NONE 0
#define TEGRA186_GPIO_ENABLE_CONFIG_TRIGGER_TYPE_LEVEL 1
#define TEGRA186_GPIO_ENABLE_CONFIG_TRIGGER_TYPE_SINGLE_EDGE 2
#define TEGRA186_GPIO_ENABLE_CONFIG_TRIGGER_TYPE_DOUBLE_EDGE 3
#define TEGRA186_GPIO_ENABLE_CONFIG_TRIGGER_LEVEL_HIGH_RISING BIT(4)
#define TEGRA186_GPIO_ENABLE_CONFIG_DEBOUNCE_ENABLE BIT(5)
#define TEGRA186_GPIO_ENABLE_CONFIG_INTERRUPT_ENABLE BIT(6)
#define TEGRA186_GPIO_ENABLE_CONFIG_TIMESTAMPING_ENABLE BIT(7)
#define TEGRA186_GPIO_DEBOUNCE_THRESHOLD 0x04
#define TEGRA186_GPIO_INPUT 0x08
#define TEGRA186_GPIO_OUTPUT_CONTROL 0x0c
#define TEGRA186_GPIO_OUTPUT_CONTROL_FLOATED BIT(0)
#define TEGRA186_GPIO_OUTPUT_VALUE 0x10
#define TEGRA186_GPIO_OUTPUT_VALUE_HIGH 1
#define TEGRA186_GPIO_INTERRUPT_CLEAR 0x14
/*
* 8 GPIOs are packed into a port. Their registers appear back-to-back in the
* port's address space.
*/
#define TEGRA186_GPIO_PER_GPIO_STRIDE 0x20
#define TEGRA186_GPIO_PER_GPIO_COUNT 8
/*
* Per-port registers are packed immediately following all of a port's
* per-GPIO registers.
*/
#define TEGRA186_GPIO_INTERRUPT_STATUS_G 0x100
#define TEGRA186_GPIO_INTERRUPT_STATUS_G_STRIDE 4
#define TEGRA186_GPIO_INTERRUPT_STATUS_G_COUNT 8
/*
* The registers for multiple ports are packed together back-to-back to form
* the overall controller.
*/
#define TEGRA186_GPIO_PER_PORT_STRIDE 0x200
#endif
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