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32a00d274e
acpi_power_get_inferred_state() should not update device->power.state behind the back of its caller, so make it return the state via a pointer instead. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Len Brown <len.brown@intel.com>
90 lines
2.8 KiB
C
90 lines
2.8 KiB
C
/*
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* acpi/internal.h
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* For use by Linux/ACPI infrastructure, not drivers
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*
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* Copyright (c) 2009, Intel Corporation.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef _ACPI_INTERNAL_H_
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#define _ACPI_INTERNAL_H_
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#include <linux/sysdev.h>
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#define PREFIX "ACPI: "
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int init_acpi_device_notify(void);
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int acpi_scan_init(void);
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int acpi_sysfs_init(void);
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#ifdef CONFIG_DEBUG_FS
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int acpi_debugfs_init(void);
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#else
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static inline int acpi_debugfs_init(void) { return 0; }
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#endif
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/* --------------------------------------------------------------------------
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Power Resource
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-------------------------------------------------------------------------- */
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int acpi_power_init(void);
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int acpi_device_sleep_wake(struct acpi_device *dev,
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int enable, int sleep_state, int dev_state);
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int acpi_power_get_inferred_state(struct acpi_device *device, int *state);
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int acpi_power_transition(struct acpi_device *device, int state);
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extern int acpi_power_nocheck;
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int acpi_wakeup_device_init(void);
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void acpi_early_processor_set_pdc(void);
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/* --------------------------------------------------------------------------
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Embedded Controller
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-------------------------------------------------------------------------- */
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struct acpi_ec {
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acpi_handle handle;
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unsigned long gpe;
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unsigned long command_addr;
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unsigned long data_addr;
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unsigned long global_lock;
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unsigned long flags;
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struct mutex lock;
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wait_queue_head_t wait;
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struct list_head list;
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struct transaction *curr;
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spinlock_t curr_lock;
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struct sys_device sysdev;
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};
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extern struct acpi_ec *first_ec;
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int acpi_ec_init(void);
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int acpi_ec_ecdt_probe(void);
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int acpi_boot_ec_enable(void);
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void acpi_ec_block_transactions(void);
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void acpi_ec_unblock_transactions(void);
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void acpi_ec_unblock_transactions_early(void);
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/*--------------------------------------------------------------------------
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Suspend/Resume
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-------------------------------------------------------------------------- */
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extern int acpi_sleep_init(void);
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#ifdef CONFIG_ACPI_SLEEP
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int acpi_sleep_proc_init(void);
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#else
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static inline int acpi_sleep_proc_init(void) { return 0; }
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#endif
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#endif /* _ACPI_INTERNAL_H_ */
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