4611686018427387903
     ˆÇÆƒasÅ¾Ã ì    /* SPDX-License-Identifier: LGPL-2.0+ WITH Linux-syscall-note */
/*
 * userio: virtual serio device support
 * Copyright (C) 2015 Red Hat
 * Copyright (C) 2015 Lyude (Stephen Chandler Paul) <cpaul@redhat.com>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by the
 * Free Software Foundation; either version 2 of the License, or (at your
 * option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 *
 * This is the public header used for user-space communication with the userio
 * driver. __attribute__((__packed__)) is used for all structs to keep ABI
 * compatibility between all architectures.
 */

#ifndef _USERIO_H
#define _USERIO_H

#include <linux/types.h>

enum userio_cmd_type {
	USERIO_CMD_REGISTER = 0,
	USERIO_CMD_SET_PORT_TYPE = 1,
	USERIO_CMD_SEND_INTERRUPT = 2
};

/*
 * userio Commands
 * All commands sent to /dev/userio are encoded using this structure. The type
 * field should contain a USERIO_CMD* value that indicates what kind of command
 * is being sent to userio. The data field should contain the accompanying
 * argument for the command, if there is one.
 */
struct userio_cmd {
	__u8 type;
	__u8 data;
} __attribute__((__packed__));

#endif /* !_USERIO_H */
     ˆÇÆƒ}çCÅ¾Ã &    /* SPDX-License-Identifier: GPL-2.0-only */
/*
 * machine.h -- SoC Regulator support, machine/board driver API.
 *
 * Copyright (C) 2007, 2008 Wolfson Microelectronics PLC.
 *
 * Author: Liam Girdwood <lrg@slimlogic.co.uk>
 *
 * Regulator Machine/Board Interface.
 */

#ifndef __LINUX_REGULATOR_MACHINE_H_
#define __LINUX_REGULATOR_MACHINE_H_

#include <linux/regulator/consumer.h>
#include <linux/suspend.h>

struct regulator;

/*
 * Regulator operation constraint flags. These flags are used to enable
 * certain regulator operations and can be OR'ed together.
 *
 * VOLTAGE:  Regulator output voltage can be changed by software on this
 *           board/machine.
 * CURRENT:  Regulator output current can be changed by software on this
 *           board/machine.
 * MODE:     Regulator operating mode can be changed by software on this
 *           board/machine.
 * STATUS:   Regulator can be enabled and disabled.
 * DRMS:     Dynamic Regulator Mode Switching is enabled for this regulator.
 * BYPASS:   Regulator can be put into bypass mode
 */

#define REGULATOR_CHANGE_VOLTAGE	0x1
#define REGULATOR_CHANGE_CURRENT	0x2
#define REGULATOR_CHANGE_MODE		0x4
#define REGULATOR_CHANGE_STATUS		0x8
#define REGULATOR_CHANGE_DRMS		0x10
#define REGULATOR_CHANGE_BYPASS		0x20

/*
 * operations in suspend mode
 * DO_NOTHING_IN_SUSPEND - the default value
 * DISABLE_IN_SUSPEND	- turn off regulator in suspend states
 * ENABLE_IN_SUSPEND	- keep regulator on in suspend states
 */
#define DO_NOTHING_IN_SUSPEND	0
#define DISABLE_IN_SUSPEND	1
#define ENABLE_IN_SUSPEND	2

/* Regulator active discharge flags */
enum regulator_active_discharge {
	REGULATOR_ACTIVE_DISCHARGE_DEFAULT,
	REGULATOR_ACTIVE_DISCHARGE_DISABLE,
	REGULATOR_ACTIVE_DISCHARGE_ENABLE,
};

/**
 * struct regulator_state - regulator state during low power system states
 *
 * This describes a regulators state during a system wide low power
 * state.  One of enabled or disabled must be set for the
 * configuration to be applied.
 *
 * @uV: Default operating voltage during suspend, it can be adjusted
 *	among <min_uV, max_uV>.
 * @min_uV: Minimum suspend voltage may be set.
 * @max_uV: Maximum suspend voltage may be set.
 * @mode: Operating mode during suspend.
 * @enabled: operations during suspend.
 *	     - DO_NOTHING_IN_SUSPEND
 *	     - DISABLE_IN_SUSPEND
 *	     - ENABLE_IN_SUSPEND
 * @changeable: Is this state can be switched between enabled/disabled,
 */
struct regulator_state {
	int uV;
	int min_uV;
	int max_uV;
	unsi