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Add and organize some comments. Add also ACPI_DEVICE_EJECT constant to

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indicate "ejectable" devices such as docking stations.
This commit is contained in:
jruoho 2010-06-08 16:55:02 +00:00
parent 5f7d603c37
commit c51a135130
1 changed files with 16 additions and 13 deletions
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29
sys/dev/acpi/acpivar.h
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@ -1,4 +1,4 @@
/* $NetBSD: acpivar.h,v 1.56 2010/06/07 01:45:27 pgoyette Exp $ */
/* $NetBSD: acpivar.h,v 1.57 2010/06/08 16:55:02 jruoho Exp $ */
/*
* Copyright 2001 Wasabi Systems, Inc.
@ -57,19 +57,13 @@
* This structure is used to attach the ACPI "bus".
*/
struct acpibus_attach_args {
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 */
isa_chipset_tag_t aa_ic; /* ISA chipset */
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 */
isa_chipset_tag_t aa_ic; /* ISA chipset */
};
/*
* ACPI driver capabilities.
*/
#define ACPI_DEVICE_POWER __BIT(0)
#define ACPI_DEVICE_WAKEUP __BIT(1)
/*
* PCI information for ACPI device nodes that correspond to PCI devices.
*/
@ -94,6 +88,9 @@ struct acpi_pci_info {
* ad_notify NULL if there is no notify handler
* ad_devinfo never NULL
* ad_handle never NULL
*
* Each ACPI device node is associated with its handle. The function
* acpi_get_node() can be used to get the node structure from a handle.
*/
struct acpi_devnode {
device_t ad_device; /* Device */
@ -114,6 +111,13 @@ struct acpi_devnode {
SIMPLEQ_HEAD(, acpi_devnode) ad_child_head;
};
/*
* ACPI driver capabilities.
*/
#define ACPI_DEVICE_POWER __BIT(0) /* Support for D-states */
#define ACPI_DEVICE_WAKEUP __BIT(1) /* Support for wake-up */
#define ACPI_DEVICE_EJECT __BIT(2) /* Support for "ejection" */
/*
* Software state of the ACPI subsystem.
*/
@ -166,7 +170,6 @@ struct acpi_attach_args {
* acpi_irq Interrupt Request
* acpi_drq DMA request
*/
struct acpi_io {
SIMPLEQ_ENTRY(acpi_io) ar_list;
int ar_index;