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-rw-r--r--include/linux/pm.h109
1 files changed, 35 insertions, 74 deletions
diff --git a/include/linux/pm.h b/include/linux/pm.h
index 4ad9de94449..4dcce54b6d7 100644
--- a/include/linux/pm.h
+++ b/include/linux/pm.h
@@ -22,78 +22,6 @@
22#define _LINUX_PM_H 22#define _LINUX_PM_H
23 23
24#include <linux/list.h> 24#include <linux/list.h>
25#include <asm/atomic.h>
26#include <asm/errno.h>
27
28/*
29 * Power management requests... these are passed to pm_send_all() and friends.
30 *
31 * these functions are old and deprecated, see below.
32 */
33typedef int __bitwise pm_request_t;
34
35#define PM_SUSPEND ((__force pm_request_t) 1) /* enter D1-D3 */
36#define PM_RESUME ((__force pm_request_t) 2) /* enter D0 */
37
38
39/*
40 * Device types... these are passed to pm_register
41 */
42typedef int __bitwise pm_dev_t;
43
44#define PM_UNKNOWN_DEV ((__force pm_dev_t) 0) /* generic */
45#define PM_SYS_DEV ((__force pm_dev_t) 1) /* system device (fan, KB controller, ...) */
46#define PM_PCI_DEV ((__force pm_dev_t) 2) /* PCI device */
47#define PM_USB_DEV ((__force pm_dev_t) 3) /* USB device */
48#define PM_SCSI_DEV ((__force pm_dev_t) 4) /* SCSI device */
49#define PM_ISA_DEV ((__force pm_dev_t) 5) /* ISA device */
50#define PM_MTD_DEV ((__force pm_dev_t) 6) /* Memory Technology Device */
51
52/*
53 * System device hardware ID (PnP) values
54 */
55enum
56{
57 PM_SYS_UNKNOWN = 0x00000000, /* generic */
58 PM_SYS_KBC = 0x41d00303, /* keyboard controller */
59 PM_SYS_COM = 0x41d00500, /* serial port */
60 PM_SYS_IRDA = 0x41d00510, /* IRDA controller */
61 PM_SYS_FDC = 0x41d00700, /* floppy controller */
62 PM_SYS_VGA = 0x41d00900, /* VGA controller */
63 PM_SYS_PCMCIA = 0x41d00e00, /* PCMCIA controller */
64};
65
66/*
67 * Device identifier
68 */
69#define PM_PCI_ID(dev) ((dev)->bus->number << 16 | (dev)->devfn)
70
71/*
72 * Request handler callback
73 */
74struct pm_dev;
75
76typedef int (*pm_callback)(struct pm_dev *dev, pm_request_t rqst, void *data);
77
78/*
79 * Dynamic device information
80 */
81struct pm_dev
82{
83 pm_dev_t type;
84 unsigned long id;
85 pm_callback callback;
86 void *data;
87
88 unsigned long flags;
89 unsigned long state;
90 unsigned long prev_state;
91
92 struct list_head entry;
93};
94
95/* Functions above this comment are list-based old-style power
96 * management. Please avoid using them. */
97 25
98/* 26/*
99 * Callbacks for platform drivers to implement. 27 * Callbacks for platform drivers to implement.
@@ -317,6 +245,21 @@ struct pm_ext_ops {
317 * RECOVER Creation of a hibernation image or restoration of the main 245 * RECOVER Creation of a hibernation image or restoration of the main
318 * memory contents from a hibernation image has failed, call 246 * memory contents from a hibernation image has failed, call
319 * ->thaw() and ->complete() for all devices. 247 * ->thaw() and ->complete() for all devices.
248 *
249 * The following PM_EVENT_ messages are defined for internal use by
250 * kernel subsystems. They are never issued by the PM core.
251 *
252 * USER_SUSPEND Manual selective suspend was issued by userspace.
253 *
254 * USER_RESUME Manual selective resume was issued by userspace.
255 *
256 * REMOTE_WAKEUP Remote-wakeup request was received from the device.
257 *
258 * AUTO_SUSPEND Automatic (device idle) runtime suspend was
259 * initiated by the subsystem.
260 *
261 * AUTO_RESUME Automatic (device needed) runtime resume was
262 * requested by a driver.
320 */ 263 */
321 264
322#define PM_EVENT_ON 0x0000 265#define PM_EVENT_ON 0x0000
@@ -328,9 +271,18 @@ struct pm_ext_ops {
328#define PM_EVENT_THAW 0x0020 271#define PM_EVENT_THAW 0x0020
329#define PM_EVENT_RESTORE 0x0040 272#define PM_EVENT_RESTORE 0x0040
330#define PM_EVENT_RECOVER 0x0080 273#define PM_EVENT_RECOVER 0x0080
274#define PM_EVENT_USER 0x0100
275#define PM_EVENT_REMOTE 0x0200
276#define PM_EVENT_AUTO 0x0400
331 277
332#define PM_EVENT_SLEEP (PM_EVENT_SUSPEND | PM_EVENT_HIBERNATE) 278#define PM_EVENT_SLEEP (PM_EVENT_SUSPEND | PM_EVENT_HIBERNATE)
279#define PM_EVENT_USER_SUSPEND (PM_EVENT_USER | PM_EVENT_SUSPEND)
280#define PM_EVENT_USER_RESUME (PM_EVENT_USER | PM_EVENT_RESUME)
281#define PM_EVENT_REMOTE_WAKEUP (PM_EVENT_REMOTE | PM_EVENT_RESUME)
282#define PM_EVENT_AUTO_SUSPEND (PM_EVENT_AUTO | PM_EVENT_SUSPEND)
283#define PM_EVENT_AUTO_RESUME (PM_EVENT_AUTO | PM_EVENT_RESUME)
333 284
285#define PMSG_ON ((struct pm_message){ .event = PM_EVENT_ON, })
334#define PMSG_FREEZE ((struct pm_message){ .event = PM_EVENT_FREEZE, }) 286#define PMSG_FREEZE ((struct pm_message){ .event = PM_EVENT_FREEZE, })
335#define PMSG_QUIESCE ((struct pm_message){ .event = PM_EVENT_QUIESCE, }) 287#define PMSG_QUIESCE ((struct pm_message){ .event = PM_EVENT_QUIESCE, })
336#define PMSG_SUSPEND ((struct pm_message){ .event = PM_EVENT_SUSPEND, }) 288#define PMSG_SUSPEND ((struct pm_message){ .event = PM_EVENT_SUSPEND, })
@@ -339,7 +291,16 @@ struct pm_ext_ops {
339#define PMSG_THAW ((struct pm_message){ .event = PM_EVENT_THAW, }) 291#define PMSG_THAW ((struct pm_message){ .event = PM_EVENT_THAW, })
340#define PMSG_RESTORE ((struct pm_message){ .event = PM_EVENT_RESTORE, }) 292#define PMSG_RESTORE ((struct pm_message){ .event = PM_EVENT_RESTORE, })
341#define PMSG_RECOVER ((struct pm_message){ .event = PM_EVENT_RECOVER, }) 293#define PMSG_RECOVER ((struct pm_message){ .event = PM_EVENT_RECOVER, })
342#define PMSG_ON ((struct pm_message){ .event = PM_EVENT_ON, }) 294#define PMSG_USER_SUSPEND ((struct pm_messge) \
295 { .event = PM_EVENT_USER_SUSPEND, })
296#define PMSG_USER_RESUME ((struct pm_messge) \
297 { .event = PM_EVENT_USER_RESUME, })
298#define PMSG_REMOTE_RESUME ((struct pm_messge) \
299 { .event = PM_EVENT_REMOTE_RESUME, })
300#define PMSG_AUTO_SUSPEND ((struct pm_messge) \
301 { .event = PM_EVENT_AUTO_SUSPEND, })
302#define PMSG_AUTO_RESUME ((struct pm_messge) \
303 { .event = PM_EVENT_AUTO_RESUME, })
343 304
344/** 305/**
345 * Device power management states 306 * Device power management states