60 строки
1.7 KiB
C
60 строки
1.7 KiB
C
/*
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* wmi.h - ACPI WMI interface
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*
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* Copyright (c) 2015 Andrew Lutomirski
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*/
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#ifndef _LINUX_WMI_H
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#define _LINUX_WMI_H
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#include <linux/device.h>
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#include <linux/acpi.h>
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struct wmi_device {
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struct device dev;
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/* True for data blocks implementing the Set Control Method */
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bool setable;
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};
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/* Caller must kfree the result. */
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extern union acpi_object *wmidev_block_query(struct wmi_device *wdev,
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u8 instance);
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/* Gets another device on the same bus. Caller must put_device the result. */
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extern struct wmi_device *wmidev_get_other_guid(struct wmi_device *wdev,
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const char *guid_string);
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struct wmi_device_id {
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const char *guid_string;
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};
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struct wmi_driver {
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struct device_driver driver;
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const struct wmi_device_id *id_table;
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int (*probe)(struct wmi_device *wdev);
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int (*remove)(struct wmi_device *wdev);
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void (*notify)(struct wmi_device *device, union acpi_object *data);
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};
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extern int __must_check __wmi_driver_register(struct wmi_driver *driver,
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struct module *owner);
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extern void wmi_driver_unregister(struct wmi_driver *driver);
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#define wmi_driver_register(driver) __wmi_driver_register((driver), THIS_MODULE)
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#define module_wmi_driver(__wmi_driver) \
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module_driver(__wmi_driver, wmi_driver_register, \
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wmi_driver_unregister)
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#endif
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