patch-2.3.41 linux/include/linux/pm.h

• Lines: 158
• Date: Fri Jan 28 08:04:58 2000
• Orig file: v2.3.40/linux/include/linux/pm.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.40/linux/include/linux/pm.h linux/include/linux/pm.h
@@ -0,0 +1,157 @@
+/*
+ *  pm.h - Power management interface
+ *
+ *  Copyright (C) 2000 Andrew Henroid
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU 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 General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifndef _LINUX_PM_H
+#define _LINUX_PM_H
+
+#include <linux/config.h>
+#include <linux/list.h>
+
+/*
+ * Power management requests
+ */
+enum
+{
+	PM_SUSPEND, /* enter D1-D3 */
+	PM_RESUME,  /* enter D0 */
+
+	/* enable wake-on */
+	PM_SET_WAKEUP,
+
+	/* bus resource management */
+	PM_GET_RESOURCES,
+	PM_SET_RESOURCES,
+
+	/* base station management */
+	PM_EJECT,
+	PM_LOCK,
+};
+
+typedef int pm_request_t;
+
+/*
+ * Device types
+ */
+enum
+{
+	PM_UNKNOWN_DEV = 0, /* generic */
+	PM_SYS_DEV,	    /* system device (fan, KB controller, ...) */
+	PM_PCI_DEV,	    /* PCI device */
+	PM_USB_DEV,	    /* USB device */
+	PM_SCSI_DEV,	    /* SCSI device */
+	PM_ISA_DEV,	    /* ISA device */
+};
+
+typedef int pm_dev_t;
+
+/*
+ * System device hardware ID (PnP) values
+ */
+enum
+{
+	PM_SYS_UNKNOWN = 0x00000000, /* generic */
+	PM_SYS_KBC =	 0x41d00303, /* keyboard controller */
+	PM_SYS_COM =	 0x41d00500, /* serial port */
+	PM_SYS_FDC =	 0x41d00700, /* floppy controller */
+	PM_SYS_VGA =	 0x41d00900, /* VGA controller */
+};
+
+/*
+ * Device identifier
+ */
+#define PM_PCI_ID(dev) ((dev)->bus->number << 16 | (dev)->devfn)
+
+/*
+ * Request handler callback
+ */
+struct pm_dev;
+
+typedef int (*pm_callback)(struct pm_dev *dev, pm_request_t rqst, void *data);
+
+/*
+ * Dynamic device information
+ */
+struct pm_dev
+{
+	pm_dev_t	 type;
+	unsigned long	 id;
+	pm_callback	 callback;
+	void		*data;
+
+	unsigned long	 flags;
+	unsigned long	 status;
+
+	struct list_head entry;
+};
+
+#if defined(CONFIG_ACPI) || defined(CONFIG_APM)
+
+/*
+ * Register a device with power management
+ */
+struct pm_dev *pm_register(pm_dev_t type,
+			   unsigned long id,
+			   pm_callback callback);
+
+/*
+ * Unregister a device with power management
+ */
+void pm_unregister(struct pm_dev *dev);
+
+/*
+ * Send a request to all devices
+ */
+int pm_send_request(pm_request_t rqst, void *data);
+
+/*
+ * Find a device
+ */
+struct pm_dev *pm_find(pm_dev_t type, struct pm_dev *from);
+
+extern inline void pm_access(struct pm_dev *dev) {}
+extern inline void pm_dev_idle(struct pm_dev *dev) {}
+
+#else // CONFIG_ACPI || CONFIG_APM
+
+extern inline struct pm_dev *pm_register(pm_dev_t type,
+					 unsigned long id,
+					 pm_callback callback)
+{
+	return 0;
+}
+
+extern inline void pm_unregister(struct pm_dev *dev) {}
+
+extern inline int pm_send_request(pm_request_t rqst, void *data)
+{
+	return 0;
+}
+
+extern inline struct pm_dev *pm_find(pm_dev_t type, struct pm_dev *from)
+{
+	return 0;
+}
+
+extern inline void pm_access(struct pm_dev *dev) {}
+extern inline void pm_dev_idle(struct pm_dev *dev) {}
+
+#endif // CONFIG_ACPI || CONFIG_APM
+
+#endif /* _LINUX_PM_H */