/* $NetBSD: acpivar.h,v 1.4 2002/03/24 03:32:14 sommerfeld Exp $ */ /* * Copyright 2001 Wasabi Systems, Inc. * All rights reserved. * * Written by Jason R. Thorpe for Wasabi Systems, Inc. * * 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. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed for the NetBSD Project by * Wasabi Systems, Inc. * 4. The name of Wasabi Systems, Inc. may not be used to endorse * or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``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 WASABI SYSTEMS, INC * 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. */ /* * This file defines the ACPI interface provided to the rest of the * kernel, as well as the autoconfiguration structures for ACPI * support. */ #include #include #include /* * acpibus_attach_args: * * This structure is used to attach the ACPI "bus". */ struct acpibus_attach_args { const char *aa_busname; /* XXX should be common */ bus_space_tag_t aa_iot; /* PCI I/O space tag */ bus_space_tag_t aa_memt; /* PCI MEM space tag */ pci_chipset_tag_t aa_pc; /* PCI chipset */ int aa_pciflags; /* PCI bus flags */ }; /* * Types of switches that ACPI understands. */ #define ACPI_SWITCH_POWERBUTTON 0 #define ACPI_SWITCH_SLEEPBUTTON 1 #define ACPI_SWITCH_LID 2 #define ACPI_NSWITCHES 3 /* * acpi_devnode: * * An ACPI device node. */ struct acpi_devnode { TAILQ_ENTRY(acpi_devnode) ad_list; ACPI_HANDLE ad_handle; /* our ACPI handle */ u_int32_t ad_level; /* ACPI level */ u_int32_t ad_type; /* ACPI object type */ ACPI_DEVICE_INFO ad_devinfo; /* our ACPI device info */ struct acpi_scope *ad_scope; /* backpointer to scope */ struct device *ad_device; /* pointer to configured device */ }; /* * acpi_scope: * * Description of an ACPI scope. */ struct acpi_scope { TAILQ_ENTRY(acpi_scope) as_list; const char *as_name; /* scope name */ /* * Device nodes we manage. */ TAILQ_HEAD(, acpi_devnode) as_devnodes; }; /* * acpi_softc: * * Software state of the ACPI subsystem. */ struct acpi_softc { struct device sc_dev; /* base device info */ bus_space_tag_t sc_iot; /* PCI I/O space tag */ bus_space_tag_t sc_memt; /* PCI MEM space tag */ pci_chipset_tag_t sc_pc; /* PCI chipset tag */ int sc_pciflags; /* PCI bus flags */ void *sc_sdhook; /* shutdown hook */ /* * Sleep state to transition to when a given * switch is activated. */ int sc_switch_sleep[ACPI_NSWITCHES]; int sc_sleepstate; /* current sleep state */ /* * Scopes we manage. */ TAILQ_HEAD(, acpi_scope) sc_scopes; }; /* * acpi_attach_args: * * Used to attach a device instance to the acpi "bus". */ struct acpi_attach_args { struct acpi_devnode *aa_node; /* ACPI device node */ bus_space_tag_t aa_iot; /* PCI I/O space tag */ bus_space_tag_t aa_memt; /* PCI MEM space tag */ pci_chipset_tag_t aa_pc; /* PCI chipset tag */ int aa_pciflags; /* PCI bus flags */ }; /* * ACPI resources: * * acpi_io I/O ports * acpi_iorange I/O port range * acpi_mem memory region * acpi_memrange memory range * acpi_irq Interrupt Request * acpi_drq DMA request */ struct acpi_io { SIMPLEQ_ENTRY(acpi_io) ar_list; int ar_index; uint32_t ar_base; uint32_t ar_length; }; struct acpi_iorange { SIMPLEQ_ENTRY(acpi_iorange) ar_list; int ar_index; uint32_t ar_low; uint32_t ar_high; uint32_t ar_length; uint32_t ar_align; }; struct acpi_mem { SIMPLEQ_ENTRY(acpi_mem) ar_list; int ar_index; uint32_t ar_base; uint32_t ar_length; }; struct acpi_memrange { SIMPLEQ_ENTRY(acpi_memrange) ar_list; int ar_index; uint32_t ar_low; uint32_t ar_high; uint32_t ar_length; uint32_t ar_align; }; struct acpi_irq { SIMPLEQ_ENTRY(acpi_irq) ar_list; int ar_index; uint32_t ar_irq; }; struct acpi_drq { SIMPLEQ_ENTRY(acpi_drq) ar_list; int ar_index; uint32_t ar_drq; }; struct acpi_resources { SIMPLEQ_HEAD(, acpi_io) ar_io; int ar_nio; SIMPLEQ_HEAD(, acpi_iorange) ar_iorange; int ar_niorange; SIMPLEQ_HEAD(, acpi_mem) ar_mem; int ar_nmem; SIMPLEQ_HEAD(, acpi_memrange) ar_memrange; int ar_nmemrange; SIMPLEQ_HEAD(, acpi_irq) ar_irq; int ar_nirq; SIMPLEQ_HEAD(, acpi_drq) ar_drq; int ar_ndrq; }; /* * acpi_resource_parse_ops: * * The client of ACPI resources specifies these operations * when the resources are parsed. */ struct acpi_resource_parse_ops { void (*init)(struct device *, void *, void **); void (*fini)(struct device *, void *); void (*ioport)(struct device *, void *, uint32_t, uint32_t); void (*iorange)(struct device *, void *, uint32_t, uint32_t, uint32_t, uint32_t); void (*memory)(struct device *, void *, uint32_t, uint32_t); void (*memrange)(struct device *, void *, uint32_t, uint32_t, uint32_t, uint32_t); void (*irq)(struct device *, void *, uint32_t); void (*drq)(struct device *, void *, uint32_t); void (*start_dep)(struct device *, void *, int); void (*end_dep)(struct device *, void *); }; extern struct acpi_softc *acpi_softc; extern int acpi_active; extern const struct acpi_resource_parse_ops acpi_resource_parse_ops_default; int acpi_probe(void); ACPI_STATUS acpi_eval_integer(ACPI_HANDLE, char *, int *); ACPI_STATUS acpi_eval_string(ACPI_HANDLE, char *, char **); ACPI_STATUS acpi_eval_struct(ACPI_HANDLE, char *, ACPI_BUFFER *); ACPI_STATUS acpi_get(ACPI_HANDLE, ACPI_BUFFER *, ACPI_STATUS (*)(ACPI_HANDLE, ACPI_BUFFER *)); ACPI_STATUS acpi_resource_parse(struct device *, struct acpi_devnode *, void *, const struct acpi_resource_parse_ops *); void acpi_resource_print(struct device *, struct acpi_resources *); struct acpi_io *acpi_res_io(struct acpi_resources *, int); struct acpi_iorange *acpi_res_iorange(struct acpi_resources *, int); struct acpi_mem *acpi_res_mem(struct acpi_resources *, int); struct acpi_memrange *acpi_res_memrange(struct acpi_resources *, int); struct acpi_irq *acpi_res_irq(struct acpi_resources *, int); struct acpi_drq *acpi_res_drq(struct acpi_resources *, int);