1 files changed, 218 insertions, 0 deletions

diff --git a/include/linux/apm_bios.h b/include/linux/apm_bios.h
new file mode 100644
index 000000000000..290aef326812
--- /dev/null
+++ b/include/linux/apm_bios.h
@@ -0,0 +1,218 @@
+#ifndef _LINUX_APM_H
+#define _LINUX_APM_H
+
+/*
+ * Include file for the interface to an APM BIOS
+ * Copyright 1994-2001 Stephen Rothwell (sfr@canb.auug.org.au)
+ *
+ * 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, 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.
+ */
+
+typedef unsigned short  apm_event_t;
+typedef unsigned short  apm_eventinfo_t;
+
+#ifdef __KERNEL__
+
+#define APM_CS          (GDT_ENTRY_APMBIOS_BASE * 8)
+#define APM_CS_16       (APM_CS + 8)
+#define APM_DS          (APM_CS_16 + 8)
+
+struct apm_bios_info {
+        unsigned short  version;
+        unsigned short  cseg;
+        unsigned long   offset;
+        unsigned short  cseg_16;
+        unsigned short  dseg;
+        unsigned short  flags;
+        unsigned short  cseg_len;
+        unsigned short  cseg_16_len;
+        unsigned short  dseg_len;
+};
+
+/* Results of APM Installation Check */
+#define APM_16_BIT_SUPPORT      0x0001
+#define APM_32_BIT_SUPPORT      0x0002
+#define APM_IDLE_SLOWS_CLOCK    0x0004
+#define APM_BIOS_DISABLED       0x0008
+#define APM_BIOS_DISENGAGED     0x0010
+
+/*
+ * Data for APM that is persistent across module unload/load
+ */
+struct apm_info {
+        struct apm_bios_info    bios;
+        unsigned short          connection_version;
+        int                     get_power_status_broken;
+        int                     get_power_status_swabinminutes;
+        int                     allow_ints;
+        int                     forbid_idle;
+        int                     realmode_power_off;
+        int                     disabled;
+};
+
+/*
+ * The APM function codes
+ */
+#define APM_FUNC_INST_CHECK     0x5300
+#define APM_FUNC_REAL_CONN      0x5301
+#define APM_FUNC_16BIT_CONN     0x5302
+#define APM_FUNC_32BIT_CONN     0x5303
+#define APM_FUNC_DISCONN        0x5304
+#define APM_FUNC_IDLE           0x5305
+#define APM_FUNC_BUSY           0x5306
+#define APM_FUNC_SET_STATE      0x5307
+#define APM_FUNC_ENABLE_PM      0x5308
+#define APM_FUNC_RESTORE_BIOS   0x5309
+#define APM_FUNC_GET_STATUS     0x530a
+#define APM_FUNC_GET_EVENT      0x530b
+#define APM_FUNC_GET_STATE      0x530c
+#define APM_FUNC_ENABLE_DEV_PM  0x530d
+#define APM_FUNC_VERSION        0x530e
+#define APM_FUNC_ENGAGE_PM      0x530f
+#define APM_FUNC_GET_CAP        0x5310
+#define APM_FUNC_RESUME_TIMER   0x5311
+#define APM_FUNC_RESUME_ON_RING 0x5312
+#define APM_FUNC_TIMER          0x5313
+
+/*
+ * Function code for APM_FUNC_RESUME_TIMER
+ */
+#define APM_FUNC_DISABLE_TIMER  0
+#define APM_FUNC_GET_TIMER      1
+#define APM_FUNC_SET_TIMER      2
+
+/*
+ * Function code for APM_FUNC_RESUME_ON_RING
+ */
+#define APM_FUNC_DISABLE_RING   0
+#define APM_FUNC_ENABLE_RING    1
+#define APM_FUNC_GET_RING       2
+
+/*
+ * Function code for APM_FUNC_TIMER_STATUS
+ */
+#define APM_FUNC_TIMER_DISABLE  0
+#define APM_FUNC_TIMER_ENABLE   1
+#define APM_FUNC_TIMER_GET      2
+
+/*
+ * in arch/i386/kernel/setup.c
+ */
+extern struct apm_info  apm_info;
+
+#endif  /* __KERNEL__ */
+
+/*
+ * Power states
+ */
+#define APM_STATE_READY         0x0000
+#define APM_STATE_STANDBY       0x0001
+#define APM_STATE_SUSPEND       0x0002
+#define APM_STATE_OFF           0x0003
+#define APM_STATE_BUSY          0x0004
+#define APM_STATE_REJECT        0x0005
+#define APM_STATE_OEM_SYS       0x0020
+#define APM_STATE_OEM_DEV       0x0040
+
+#define APM_STATE_DISABLE       0x0000
+#define APM_STATE_ENABLE        0x0001
+
+#define APM_STATE_DISENGAGE     0x0000
+#define APM_STATE_ENGAGE        0x0001
+
+/*
+ * Events (results of Get PM Event)
+ */
+#define APM_SYS_STANDBY         0x0001
+#define APM_SYS_SUSPEND         0x0002
+#define APM_NORMAL_RESUME       0x0003
+#define APM_CRITICAL_RESUME     0x0004
+#define APM_LOW_BATTERY         0x0005
+#define APM_POWER_STATUS_CHANGE 0x0006
+#define APM_UPDATE_TIME         0x0007
+#define APM_CRITICAL_SUSPEND    0x0008
+#define APM_USER_STANDBY        0x0009
+#define APM_USER_SUSPEND        0x000a
+#define APM_STANDBY_RESUME      0x000b
+#define APM_CAPABILITY_CHANGE   0x000c
+
+/*
+ * Error codes
+ */
+#define APM_SUCCESS             0x00
+#define APM_DISABLED            0x01
+#define APM_CONNECTED           0x02
+#define APM_NOT_CONNECTED       0x03
+#define APM_16_CONNECTED        0x05
+#define APM_16_UNSUPPORTED      0x06
+#define APM_32_CONNECTED        0x07
+#define APM_32_UNSUPPORTED      0x08
+#define APM_BAD_DEVICE          0x09
+#define APM_BAD_PARAM           0x0a
+#define APM_NOT_ENGAGED         0x0b
+#define APM_BAD_FUNCTION        0x0c
+#define APM_RESUME_DISABLED     0x0d
+#define APM_NO_ERROR            0x53
+#define APM_BAD_STATE           0x60
+#define APM_NO_EVENTS           0x80
+#define APM_NOT_PRESENT         0x86
+
+/*
+ * APM Device IDs
+ */
+#define APM_DEVICE_BIOS         0x0000
+#define APM_DEVICE_ALL          0x0001
+#define APM_DEVICE_DISPLAY      0x0100
+#define APM_DEVICE_STORAGE      0x0200
+#define APM_DEVICE_PARALLEL     0x0300
+#define APM_DEVICE_SERIAL       0x0400
+#define APM_DEVICE_NETWORK      0x0500
+#define APM_DEVICE_PCMCIA       0x0600
+#define APM_DEVICE_BATTERY      0x8000
+#define APM_DEVICE_OEM          0xe000
+#define APM_DEVICE_OLD_ALL      0xffff
+#define APM_DEVICE_CLASS        0x00ff
+#define APM_DEVICE_MASK         0xff00
+
+#ifdef __KERNEL__
+/*
+ * This is the "All Devices" ID communicated to the BIOS
+ */
+#define APM_DEVICE_BALL         ((apm_info.connection_version > 0x0100) ? \
+                                 APM_DEVICE_ALL : APM_DEVICE_OLD_ALL)
+#endif
+
+/*
+ * Battery status
+ */
+#define APM_MAX_BATTERIES       2
+
+/*
+ * APM defined capability bit flags
+ */
+#define APM_CAP_GLOBAL_STANDBY          0x0001
+#define APM_CAP_GLOBAL_SUSPEND          0x0002
+#define APM_CAP_RESUME_STANDBY_TIMER    0x0004 /* Timer resume from standby */
+#define APM_CAP_RESUME_SUSPEND_TIMER    0x0008 /* Timer resume from suspend */
+#define APM_CAP_RESUME_STANDBY_RING     0x0010 /* Resume on Ring fr standby */
+#define APM_CAP_RESUME_SUSPEND_RING     0x0020 /* Resume on Ring fr suspend */
+#define APM_CAP_RESUME_STANDBY_PCMCIA   0x0040 /* Resume on PCMCIA Ring */
+#define APM_CAP_RESUME_SUSPEND_PCMCIA   0x0080 /* Resume on PCMCIA Ring */
+
+/*
+ * ioctl operations
+ */
+#include <linux/ioctl.h>
+
+#define APM_IOC_STANDBY         _IO('A', 1)
+#define APM_IOC_SUSPEND         _IO('A', 2)
+
+#endif  /* LINUX_APM_H */