/*
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/*
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* pm.h - Power management interface
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* pm.h - Power management interface
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*
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*
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* Copyright (C) 2000 Andrew Henroid
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* Copyright (C) 2000 Andrew Henroid
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*
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*
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* This program is free software; you can redistribute it and/or modify
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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 as published by
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* (at your option) any later version.
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*
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*
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* This program is distributed in the hope that it will be useful,
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* GNU General Public License for more details.
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*
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*
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* You should have received a copy of the GNU General Public License
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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*/
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#ifndef _LINUX_PM_H
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#ifndef _LINUX_PM_H
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#define _LINUX_PM_H
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#define _LINUX_PM_H
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#ifdef __KERNEL__
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#ifdef __KERNEL__
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#include <linux/config.h>
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#include <linux/config.h>
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#include <linux/list.h>
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#include <linux/list.h>
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/*
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/*
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* Power management requests
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* Power management requests
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*/
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*/
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enum
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enum
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{
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{
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PM_SUSPEND, /* enter D1-D3 */
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PM_SUSPEND, /* enter D1-D3 */
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PM_RESUME, /* enter D0 */
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PM_RESUME, /* enter D0 */
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PM_SAVE_STATE, /* save device's state */
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PM_SAVE_STATE, /* save device's state */
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/* enable wake-on */
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/* enable wake-on */
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PM_SET_WAKEUP,
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PM_SET_WAKEUP,
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/* bus resource management */
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/* bus resource management */
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PM_GET_RESOURCES,
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PM_GET_RESOURCES,
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PM_SET_RESOURCES,
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PM_SET_RESOURCES,
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/* base station management */
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/* base station management */
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PM_EJECT,
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PM_EJECT,
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PM_LOCK,
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PM_LOCK,
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};
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};
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typedef int pm_request_t;
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typedef int pm_request_t;
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/*
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/*
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* Device types
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* Device types
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*/
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*/
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enum
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enum
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{
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{
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PM_UNKNOWN_DEV = 0, /* generic */
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PM_UNKNOWN_DEV = 0, /* generic */
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PM_SYS_DEV, /* system device (fan, KB controller, ...) */
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PM_SYS_DEV, /* system device (fan, KB controller, ...) */
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PM_PCI_DEV, /* PCI device */
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PM_PCI_DEV, /* PCI device */
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PM_USB_DEV, /* USB device */
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PM_USB_DEV, /* USB device */
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PM_SCSI_DEV, /* SCSI device */
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PM_SCSI_DEV, /* SCSI device */
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PM_ISA_DEV, /* ISA device */
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PM_ISA_DEV, /* ISA device */
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PM_MTD_DEV, /* Memory Technology Device */
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PM_MTD_DEV, /* Memory Technology Device */
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};
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};
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typedef int pm_dev_t;
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typedef int pm_dev_t;
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/*
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/*
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* System device hardware ID (PnP) values
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* System device hardware ID (PnP) values
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*/
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*/
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enum
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enum
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{
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{
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PM_SYS_UNKNOWN = 0x00000000, /* generic */
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PM_SYS_UNKNOWN = 0x00000000, /* generic */
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PM_SYS_KBC = 0x41d00303, /* keyboard controller */
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PM_SYS_KBC = 0x41d00303, /* keyboard controller */
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PM_SYS_COM = 0x41d00500, /* serial port */
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PM_SYS_COM = 0x41d00500, /* serial port */
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PM_SYS_IRDA = 0x41d00510, /* IRDA controller */
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PM_SYS_IRDA = 0x41d00510, /* IRDA controller */
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PM_SYS_FDC = 0x41d00700, /* floppy controller */
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PM_SYS_FDC = 0x41d00700, /* floppy controller */
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PM_SYS_VGA = 0x41d00900, /* VGA controller */
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PM_SYS_VGA = 0x41d00900, /* VGA controller */
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PM_SYS_PCMCIA = 0x41d00e00, /* PCMCIA controller */
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PM_SYS_PCMCIA = 0x41d00e00, /* PCMCIA controller */
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};
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};
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/*
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/*
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* Device identifier
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* Device identifier
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*/
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*/
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#define PM_PCI_ID(dev) ((dev)->bus->number << 16 | (dev)->devfn)
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#define PM_PCI_ID(dev) ((dev)->bus->number << 16 | (dev)->devfn)
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/*
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/*
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* Request handler callback
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* Request handler callback
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*/
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*/
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struct pm_dev;
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struct pm_dev;
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typedef int (*pm_callback)(struct pm_dev *dev, pm_request_t rqst, void *data);
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typedef int (*pm_callback)(struct pm_dev *dev, pm_request_t rqst, void *data);
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/*
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/*
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* Dynamic device information
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* Dynamic device information
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*/
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*/
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struct pm_dev
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struct pm_dev
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{
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{
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pm_dev_t type;
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pm_dev_t type;
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unsigned long id;
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unsigned long id;
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pm_callback callback;
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pm_callback callback;
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void *data;
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void *data;
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unsigned long flags;
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unsigned long flags;
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unsigned long state;
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unsigned long state;
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unsigned long prev_state;
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unsigned long prev_state;
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struct list_head entry;
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struct list_head entry;
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};
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};
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#ifdef CONFIG_PM
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#ifdef CONFIG_PM
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extern int pm_active;
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extern int pm_active;
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#define PM_IS_ACTIVE() (pm_active != 0)
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#define PM_IS_ACTIVE() (pm_active != 0)
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/*
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/*
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* Register a device with power management
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* Register a device with power management
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*/
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*/
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struct pm_dev *pm_register(pm_dev_t type,
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struct pm_dev *pm_register(pm_dev_t type,
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unsigned long id,
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unsigned long id,
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pm_callback callback);
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pm_callback callback);
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/*
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/*
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* Unregister a device with power management
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* Unregister a device with power management
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*/
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*/
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void pm_unregister(struct pm_dev *dev);
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void pm_unregister(struct pm_dev *dev);
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/*
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/*
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* Unregister all devices with matching callback
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* Unregister all devices with matching callback
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*/
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*/
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void pm_unregister_all(pm_callback callback);
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void pm_unregister_all(pm_callback callback);
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/*
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/*
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* Send a request to a single device
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* Send a request to a single device
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*/
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*/
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int pm_send(struct pm_dev *dev, pm_request_t rqst, void *data);
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int pm_send(struct pm_dev *dev, pm_request_t rqst, void *data);
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/*
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/*
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* Send a request to all devices
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* Send a request to all devices
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*/
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*/
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int pm_send_all(pm_request_t rqst, void *data);
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int pm_send_all(pm_request_t rqst, void *data);
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/*
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/*
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* Find a device
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* Find a device
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*/
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*/
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struct pm_dev *pm_find(pm_dev_t type, struct pm_dev *from);
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struct pm_dev *pm_find(pm_dev_t type, struct pm_dev *from);
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static inline void pm_access(struct pm_dev *dev) {}
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static inline void pm_access(struct pm_dev *dev) {}
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static inline void pm_dev_idle(struct pm_dev *dev) {}
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static inline void pm_dev_idle(struct pm_dev *dev) {}
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#else /* CONFIG_PM */
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#else /* CONFIG_PM */
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#define PM_IS_ACTIVE() 0
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#define PM_IS_ACTIVE() 0
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static inline struct pm_dev *pm_register(pm_dev_t type,
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static inline struct pm_dev *pm_register(pm_dev_t type,
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unsigned long id,
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unsigned long id,
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pm_callback callback)
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pm_callback callback)
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{
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{
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return 0;
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return 0;
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}
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}
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static inline void pm_unregister(struct pm_dev *dev) {}
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static inline void pm_unregister(struct pm_dev *dev) {}
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static inline void pm_unregister_all(pm_callback callback) {}
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static inline void pm_unregister_all(pm_callback callback) {}
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static inline int pm_send(struct pm_dev *dev, pm_request_t rqst, void *data)
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static inline int pm_send(struct pm_dev *dev, pm_request_t rqst, void *data)
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{
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{
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return 0;
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return 0;
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}
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}
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static inline int pm_send_all(pm_request_t rqst, void *data)
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static inline int pm_send_all(pm_request_t rqst, void *data)
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{
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{
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return 0;
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return 0;
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}
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}
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static inline struct pm_dev *pm_find(pm_dev_t type, struct pm_dev *from)
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static inline struct pm_dev *pm_find(pm_dev_t type, struct pm_dev *from)
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{
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{
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return 0;
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return 0;
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}
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}
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static inline void pm_access(struct pm_dev *dev) {}
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static inline void pm_access(struct pm_dev *dev) {}
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static inline void pm_dev_idle(struct pm_dev *dev) {}
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static inline void pm_dev_idle(struct pm_dev *dev) {}
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#endif /* CONFIG_PM */
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#endif /* CONFIG_PM */
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extern void (*pm_idle)(void);
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extern void (*pm_idle)(void);
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extern void (*pm_power_off)(void);
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extern void (*pm_power_off)(void);
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#endif /* __KERNEL__ */
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#endif /* __KERNEL__ */
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#endif /* _LINUX_PM_H */
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#endif /* _LINUX_PM_H */
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