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diff --git a/sys/dev/acpi/acpivar.h b/sys/dev/acpi/acpivar.h
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+/*-
+ * Copyright (c) 1999 Takanori Watanabe <takawata@shidahara1.planet.sci.kobe-u.ac.jp>
+ * Copyright (c) 1999, 2000 Mitsuru IWASAKI <iwasaki@FreeBSD.org>
+ * Copyright (c) 2000 Michael Smith <msmith@FreeBSD.org>
+ * Copyright (c) 2000 BSDi
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+/*
+ * PowerResource control
+ */
+struct acpi_powerres_device {
+ LIST_ENTRY(acpi_powerres_device) links;
+ struct aml_name *name;
+
+ /* _PR[0-2] */
+ u_int8_t state; /* D0 to D3 */
+ u_int8_t next_state; /* initialized with D0 */
+#define ACPI_D_STATE_D0 0
+#define ACPI_D_STATE_D1 1
+#define ACPI_D_STATE_D2 2
+#define ACPI_D_STATE_D3 3
+#define ACPI_D_STATE_UNKNOWN 255
+
+ /* _PRW */
+ u_int8_t wake_cap; /* wake capability */
+#define ACPI_D_WAKECAP_DISABLE 0
+#define ACPI_D_WAKECAP_ENABLE 1
+#define ACPI_D_WAKECAP_UNKNOWN 255
+#define ACPI_D_WAKECAP_DEFAULT 1 /* XXX default enable for testing */
+
+ boolean_t gpe_enabled; /* GEPx_EN enabled/disabled */
+ union aml_object *prw_val[2]; /* elements of _PRW package */
+};
+
+/* Device Power Management Chained Object Type */
+#define ACPI_D_PM_TYPE_IRC 0 /* _IRC */
+#define ACPI_D_PM_TYPE_PRW 1 /* _PRW */
+#define ACPI_D_PM_TYPE_PRX 2 /* _PR0 - _PR2 */
+/* and more... */
+
+struct acpi_powerres_device_ref {
+ LIST_ENTRY(acpi_powerres_device_ref) links;
+ struct acpi_powerres_device *device;
+};
+
+struct acpi_powerres_info {
+ LIST_ENTRY(acpi_powerres_info) links;
+ struct aml_name *name;
+ u_int8_t state; /* OFF or ON */
+#define ACPI_POWER_RESOURCE_ON 1
+#define ACPI_POWER_RESOURCE_OFF 0
+
+#define ACPI_PR_MAX 3 /* _PR[0-2] */
+ LIST_HEAD(, acpi_powerres_device_ref) reflist[ACPI_PR_MAX];
+ LIST_HEAD(, acpi_powerres_device_ref) prwlist;
+};
+
+/*
+ * Event Structure
+ */
+struct acpi_event {
+ STAILQ_ENTRY (acpi_event) ae_q;
+ int ae_type;
+#define ACPI_EVENT_TYPE_FIXEDREG 0
+#define ACPI_EVENT_TYPE_GPEREG 1
+#define ACPI_EVENT_TYPE_EC 2
+ int ae_arg;
+};
+
+/*
+ * I/O resource structure
+ */
+
+#define ACPI_RES_SMI_CMD 0
+#define ACPI_RES_PM1A_EVT 1
+#define ACPI_RES_PM1B_EVT 2
+#define ACPI_RES_PM1A_CNT 3
+#define ACPI_RES_PM1B_CNT 4
+#define ACPI_RES_PM2_CNT 5
+#define ACPI_RES_PM_TMR 6
+#define ACPI_RES_GPE0 7
+#define ACPI_RES_GPE1 8
+#define ACPI_RES_FIRSTFREE 9
+#define ACPI_RES_AUTO -1
+#define ACPI_RES_MAX 64
+
+struct acpi_io_resource {
+ struct resource *rsc;
+ int rid;
+ int size;
+ bus_space_handle_t bhandle;
+ bus_space_tag_t btag;
+};
+
+/*
+ * Softc
+ */
+typedef struct acpi_softc {
+ device_t dev;
+ dev_t dev_t;
+
+ struct acpi_io_resource iores[ACPI_RES_MAX];
+
+ struct resource *irq;
+ int irq_rid;
+ void *irq_handle;
+
+ struct ACPIsdt *rsdt;
+ struct ACPIsdt *facp;
+ struct FACPbody *facp_body;
+ struct ACPIsdt *dsdt;
+ struct FACS *facs;
+ int system_state;
+ int system_state_initialized;
+ int broken_wakeuplogic;
+ u_int32_t gpe0_mask;
+ u_int32_t gpe1_mask;
+ int enabled;
+ u_int32_t ignore_events;
+ struct acpi_system_state_package system_state_package;
+ struct proc *acpi_thread;
+
+ LIST_HEAD(, acpi_powerres_info) acpi_powerres_inflist;
+ LIST_HEAD(, acpi_powerres_device) acpi_powerres_devlist;
+ STAILQ_HEAD(, acpi_event) event;
+} acpi_softc_t;
+
+/*
+ * ACPI register I/O
+ */
+#define ACPI_REGISTER_INPUT 0
+#define ACPI_REGISTER_OUTPUT 1
+extern void acpi_enable_disable(acpi_softc_t *sc, boolean_t enable);
+extern void acpi_io_pm1_status(acpi_softc_t *sc, boolean_t io, u_int32_t *status);
+extern void acpi_io_pm1_enable(acpi_softc_t *sc, boolean_t io, u_int32_t *enable);
+extern void acpi_io_pm1_control(acpi_softc_t *sc, boolean_t io, u_int32_t *val_a, u_int32_t *val_b);
+extern void acpi_io_pm2_control(acpi_softc_t *sc, boolean_t io, u_int32_t *val);
+extern void acpi_io_pm_timer(acpi_softc_t *sc, boolean_t io, u_int32_t *val);
+extern void acpi_io_gpe0_status(acpi_softc_t *sc, boolean_t io, u_int32_t *val);
+extern void acpi_io_gpe0_enable(acpi_softc_t *sc, boolean_t io, u_int32_t *val);
+extern void acpi_io_gpe1_status(acpi_softc_t *sc, boolean_t io, u_int32_t *val);
+extern void acpi_io_gpe1_enable(acpi_softc_t *sc, boolean_t io, u_int32_t *val);
+
+
+/*
+ * Device State
+ */
+extern u_int8_t acpi_get_current_device_state(struct aml_name *name);
+extern void acpi_set_device_state(acpi_softc_t *sc, struct aml_name *name,
+ u_int8_t state);
+extern void acpi_set_device_wakecap(acpi_softc_t *sc, struct aml_name *name,
+ u_int8_t cap);
+
+/*
+ * System state
+ */
+extern void acpi_set_sleeping_state(acpi_softc_t *sc, u_int8_t state);
+
+/*
+ * PowerResource State
+ */
+extern void acpi_powerres_init(acpi_softc_t *sc);
+extern void acpi_powerres_debug(acpi_softc_t *sc);
+extern u_int8_t acpi_get_current_powerres_state(struct aml_name *name);
+extern void acpi_set_powerres_state(acpi_softc_t *sc, struct aml_name *name,
+ u_int8_t state);
+extern void acpi_powerres_set_sleeping_state(acpi_softc_t *sc, u_int8_t state);
+
+/*
+ * GPE enable bit manipulation
+ */
+extern void acpi_gpe_enable_bit(acpi_softc_t *sc, u_int32_t bit, boolean_t on_off);
+
+/*
+ * Event management
+ */
+extern void acpi_intr(void *data);
+extern void acpi_queue_event(acpi_softc_t *sc, int type, int arg);
+extern int acpi_send_pm_event(acpi_softc_t *sc, u_int8_t state);
+extern void acpi_enable_events(acpi_softc_t *sc);
+extern void acpi_clear_ignore_events(void *arg);
+extern void acpi_event_thread(void *arg);
+
+/*
+ * ACPI pmap subsystem
+ */
+#define ACPI_SMAP_MAX_SIZE 16
+
+struct ACPIaddr {
+ int entries;
+ struct {
+ vm_offset_t pa_base;
+ vm_offset_t va_base;
+ vm_size_t size;
+ u_int32_t type;
+ } t [ACPI_SMAP_MAX_SIZE];
+};
+
+extern struct ACPIaddr acpi_addr;
+extern struct ACPIrsdp *acpi_rsdp; /* ACPI Root System Description Table */
+extern void acpi_init_addr_range(void);
+extern void acpi_register_addr_range(u_int64_t base, u_int64_t size, u_int32_t type);
+extern int acpi_sdt_checksum(struct ACPIsdt * sdt);
+extern vm_offset_t acpi_pmap_ptv(vm_offset_t pa);
+extern vm_offset_t acpi_pmap_vtp(vm_offset_t va);
+
+/*
+ * Bus interface.
+ */
+extern int acpi_attach_resource(acpi_softc_t *sc, int type, int *wantidx,
+ u_long start, u_long size);
+extern struct ACPIrsdp *acpi_find_rsdp(void);
+extern void acpi_mapmem(void);
+
+/*
+ * Debugging, console output
+ *
+ * XXX this should really be using device_printf or similar.
+ */
+extern int acpi_debug;
+#define ACPI_DEVPRINTF(args...) printf("acpi0: " args)
+#define ACPI_DEBUGPRINT(args...) do { if (acpi_debug) ACPI_DEVPRINTF(args);} while(0)
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