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393 lines
10 KiB
C
393 lines
10 KiB
C
/*
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* acpi_bus.h - ACPI Bus Driver ($Revision: 22 $)
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*
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* Copyright (C) 2001, 2002 Andy Grover <andrew.grover@intel.com>
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* Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
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*
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* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or (at
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* your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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*
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* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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*/
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#ifndef __ACPI_BUS_H__
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#define __ACPI_BUS_H__
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#include <acpi.h>
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#include "list.h"
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/* TBD: Make dynamic */
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#define ACPI_MAX_HANDLES 10
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struct acpi_handle_list {
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UINT32 count;
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ACPI_HANDLE handles[ACPI_MAX_HANDLES];
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};
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/* acpi_utils.h */
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ACPI_STATUS
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acpi_extract_package (
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ACPI_OBJECT *package,
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ACPI_BUFFER *format,
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ACPI_BUFFER *buffer);
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ACPI_STATUS
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acpi_evaluate_integer (
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ACPI_HANDLE handle,
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ACPI_STRING pathname,
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struct acpi_object_list *arguments,
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unsigned long long *data);
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ACPI_STATUS
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acpi_evaluate_reference (
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ACPI_HANDLE handle,
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ACPI_STRING pathname,
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struct acpi_object_list *arguments,
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struct acpi_handle_list *list);
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NTSTATUS
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acpi_create_volatile_registry_tables(void);
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enum acpi_bus_removal_type {
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ACPI_BUS_REMOVAL_NORMAL = 0,
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ACPI_BUS_REMOVAL_EJECT,
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ACPI_BUS_REMOVAL_SUPRISE,
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ACPI_BUS_REMOVAL_TYPE_COUNT
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};
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enum acpi_bus_device_type {
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ACPI_BUS_TYPE_DEVICE = 0,
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ACPI_BUS_TYPE_POWER,
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ACPI_BUS_TYPE_PROCESSOR,
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ACPI_BUS_TYPE_THERMAL,
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ACPI_BUS_TYPE_SYSTEM,
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ACPI_BUS_TYPE_POWER_BUTTON,
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ACPI_BUS_TYPE_SLEEP_BUTTON,
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ACPI_BUS_TYPE_POWER_BUTTONF,
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ACPI_BUS_TYPE_SLEEP_BUTTONF,
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ACPI_BUS_DEVICE_TYPE_COUNT
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};
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struct acpi_driver;
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struct acpi_device;
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/*
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* ACPI Driver
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* -----------
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*/
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typedef int (*acpi_op_add) (struct acpi_device *device);
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typedef int (*acpi_op_remove) (struct acpi_device *device, int type);
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typedef int (*acpi_op_start) (struct acpi_device *device);
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typedef int (*acpi_op_suspend) (struct acpi_device *device, int state);
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typedef int (*acpi_op_resume) (struct acpi_device *device, int state);
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typedef int (*acpi_op_scan) (struct acpi_device *device);
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typedef int (*acpi_op_bind) (struct acpi_device *device);
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typedef int (*acpi_op_unbind) (struct acpi_device * device);
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typedef void (*acpi_op_notify) (struct acpi_device * device, UINT32 event);
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struct acpi_bus_ops {
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UINT32 acpi_op_add:1;
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UINT32 acpi_op_start:1;
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};
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struct acpi_device_ops {
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acpi_op_add add;
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acpi_op_remove remove;
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acpi_op_start start;
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acpi_op_suspend suspend;
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acpi_op_resume resume;
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acpi_op_bind bind;
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acpi_op_unbind unbind;
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acpi_op_notify notify;
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acpi_op_scan scan;
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};
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#define ACPI_DRIVER_ALL_NOTIFY_EVENTS 0x1 /* system AND device events */
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struct acpi_driver {
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struct list_head node;
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char name[80];
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char class[80];
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int references;
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unsigned int flags;
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char *ids; /* Supported Hardware IDs */
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struct acpi_device_ops ops;
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};
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/*
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* ACPI Device
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* -----------
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*/
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/* Status (_STA) */
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struct acpi_device_status {
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UINT32 present:1;
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UINT32 enabled:1;
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UINT32 show_in_ui:1;
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UINT32 functional:1;
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UINT32 battery_present:1;
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UINT32 reserved:27;
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};
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/* Flags */
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struct acpi_device_flags {
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UINT32 dynamic_status:1;
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UINT32 hardware_id:1;
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UINT32 compatible_ids:1;
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UINT32 bus_address:1;
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UINT32 unique_id:1;
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UINT32 removable:1;
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UINT32 ejectable:1;
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UINT32 lockable:1;
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UINT32 surprise_removal_ok:1;
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UINT32 power_manageable:1;
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UINT32 performance_manageable:1;
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UINT32 wake_capable:1;
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UINT32 force_power_state:1;
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UINT32 reserved:20;
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};
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/* Plug and Play */
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typedef char acpi_bus_id[8];
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typedef unsigned long acpi_bus_address;
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typedef char *acpi_hardware_id;
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typedef char acpi_unique_id[9];
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typedef char acpi_device_name[40];
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typedef char acpi_device_class[20];
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struct acpi_device_pnp {
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acpi_bus_id bus_id; /* Object name */
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acpi_bus_address bus_address; /* _ADR */
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acpi_hardware_id hardware_id; /* _HID */
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ACPI_PNP_DEVICE_ID_LIST *cid_list; /* _CIDs */
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acpi_unique_id unique_id; /* _UID */
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acpi_device_name device_name; /* Driver-determined */
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acpi_device_class device_class; /* " */
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};
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#define acpi_device_bid(d) ((d)->pnp.bus_id)
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#define acpi_device_adr(d) ((d)->pnp.bus_address)
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#define acpi_device_hid(d) ((d)->pnp.hardware_id)
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#define acpi_device_uid(d) ((d)->pnp.unique_id)
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#define acpi_device_name(d) ((d)->pnp.device_name)
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#define acpi_device_class(d) ((d)->pnp.device_class)
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/* Power Management */
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struct acpi_device_power_flags {
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UINT32 explicit_get:1; /* _PSC present? */
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UINT32 power_resources:1; /* Power resources */
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UINT32 inrush_current:1; /* Serialize Dx->D0 */
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UINT32 power_removed:1; /* Optimize Dx->D0 */
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UINT32 reserved:28;
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};
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struct acpi_device_power_state {
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struct {
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UINT8 valid:1;
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UINT8 explicit_set:1; /* _PSx present? */
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UINT8 reserved:6;
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} flags;
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int power; /* % Power (compared to D0) */
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int latency; /* Dx->D0 time (microseconds) */
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struct acpi_handle_list resources; /* Power resources referenced */
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};
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struct acpi_device_power {
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int state; /* Current state */
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struct acpi_device_power_flags flags;
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struct acpi_device_power_state states[4]; /* Power states (D0-D3) */
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};
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/* Performance Management */
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struct acpi_device_perf_flags {
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UINT8 reserved:8;
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};
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struct acpi_device_perf_state {
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struct {
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UINT8 valid:1;
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UINT8 reserved:7;
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} flags;
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UINT8 power; /* % Power (compared to P0) */
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UINT8 performance; /* % Performance ( " ) */
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int latency; /* Px->P0 time (microseconds) */
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};
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struct acpi_device_perf {
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int state;
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struct acpi_device_perf_flags flags;
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int state_count;
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struct acpi_device_perf_state *states;
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};
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/* Wakeup Management */
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struct acpi_device_wakeup_flags {
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UINT8 valid:1; /* Can successfully enable wakeup? */
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UINT8 run_wake:1; /* Run-Wake GPE devices */
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};
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struct acpi_device_wakeup_state {
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UINT8 enabled:1;
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};
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struct acpi_device_wakeup {
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ACPI_HANDLE gpe_device;
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ACPI_INTEGER gpe_number;
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ACPI_INTEGER sleep_state;
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struct acpi_handle_list resources;
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struct acpi_device_wakeup_state state;
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struct acpi_device_wakeup_flags flags;
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int prepare_count;
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};
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/* Device */
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struct acpi_device {
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int device_type;
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ACPI_HANDLE handle;
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struct acpi_device *parent;
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struct list_head children;
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struct list_head node;
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struct list_head wakeup_list;
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struct acpi_device_status status;
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struct acpi_device_flags flags;
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struct acpi_device_pnp pnp;
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struct acpi_device_power power;
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struct acpi_device_wakeup wakeup;
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struct acpi_device_perf performance;
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struct acpi_device_ops ops;
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struct acpi_driver *driver;
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void *driver_data;
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struct acpi_bus_ops bus_ops; /* workaround for different code path for hotplug */
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enum acpi_bus_removal_type removal_type; /* indicate for different removal type */
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};
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#define acpi_driver_data(d) ((d)->driver_data)
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#define to_acpi_device(d) container_of(d, struct acpi_device, dev)
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#define to_acpi_driver(d) container_of(d, struct acpi_driver, drv)
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/* acpi_device.dev.bus == &acpi_bus_type */
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extern struct bus_type acpi_bus_type;
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/*
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* Events
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* ------
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*/
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struct acpi_bus_event {
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struct list_head node;
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acpi_device_class device_class;
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acpi_bus_id bus_id;
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UINT32 type;
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UINT32 data;
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};
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/*
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* External Functions
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*/
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int acpi_bus_get_private_data(ACPI_HANDLE, void **);
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void acpi_bus_data_handler(ACPI_HANDLE handle, void *context);
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ACPI_STATUS acpi_bus_get_status_handle(ACPI_HANDLE handle,
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unsigned long long *sta);
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int acpi_bus_get_status(struct acpi_device *device);
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int acpi_bus_get_power(ACPI_HANDLE handle, int *state);
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int acpi_bus_set_power(ACPI_HANDLE handle, int state);
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BOOLEAN acpi_bus_power_manageable(ACPI_HANDLE handle);
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BOOLEAN acpi_bus_can_wakeup(ACPI_HANDLE handle);
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int acpi_bus_generate_proc_event(struct acpi_device *device, UINT8 type, int data);
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int acpi_bus_generate_event(struct acpi_device *device, UINT8 type, int data);
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int acpi_bus_receive_event(struct acpi_bus_event *event);
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int acpi_bus_register_driver(struct acpi_driver *driver);
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void acpi_bus_unregister_driver(struct acpi_driver *driver);
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int acpi_bus_add(struct acpi_device **child, struct acpi_device *parent,
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ACPI_HANDLE handle, int type);
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int acpi_bus_trim(struct acpi_device *start, int rmdevice);
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int acpi_bus_start(struct acpi_device *device);
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ACPI_STATUS acpi_bus_get_ejd(ACPI_HANDLE handle, ACPI_HANDLE * ejd);
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int acpi_match_device_ids(struct acpi_device *device,
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const struct acpi_pnp_device_id *ids);
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int acpi_bus_get_device(ACPI_HANDLE handle, struct acpi_device **device);
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int acpi_init(void);
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ACPI_STATUS acpi_suspend (UINT32 state);
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/*
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* Bind physical devices with ACPI devices
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*/
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//struct acpi_bus_type {
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// struct list_head list;
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// struct bus_type *bus;
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// /* For general devices under the bus */
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// int (*find_device) (struct device *, ACPI_HANDLE *);
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// /* For bridges, such as PCI root bridge, IDE controller */
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// int (*find_bridge) (struct device *, ACPI_HANDLE *);
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//};
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//int register_acpi_bus_type(struct acpi_bus_type *);
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//int unregister_acpi_bus_type(struct acpi_bus_type *);
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//struct device *acpi_get_physical_device(ACPI_HANDLE);
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struct acpi_pci_root {
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struct list_head node;
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struct acpi_device * device;
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struct acpi_pci_id id;
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struct pci_bus *bus;
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UINT16 segment;
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UINT8 bus_nr;
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UINT32 osc_support_set; /* _OSC state of support bits */
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UINT32 osc_control_set; /* _OSC state of control bits */
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UINT32 osc_control_qry; /* the latest _OSC query result */
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UINT32 osc_queried:1; /* has _OSC control been queried? */
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};
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//static inline int acpi_pm_device_sleep_state(struct device *d, int *p)
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//{
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// if (p)
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// *p = ACPI_STATE_D0;
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// return ACPI_STATE_D3;
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//}
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//static inline int acpi_pm_device_sleep_wake(struct device *dev, bool enable)
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//{
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// return -1;
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//}
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/* system defines: move to bigger header */
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extern enum acpi_irq_model_id acpi_irq_model;
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enum acpi_irq_model_id {
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ACPI_IRQ_MODEL_PIC = 0,
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ACPI_IRQ_MODEL_IOAPIC,
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ACPI_IRQ_MODEL_IOSAPIC,
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ACPI_IRQ_MODEL_COUNT
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};
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#endif /*__ACPI_BUS_H__*/
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