352 lines
11 KiB
C
352 lines
11 KiB
C
/*-
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* Copyright (c) 2000 Mitsuru IWASAKI <iwasaki@jp.freebsd.org>
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* Copyright (c) 2000 Michael Smith <msmith@freebsd.org>
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* Copyright (c) 2000 BSDi
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include "bus_if.h"
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#include <sys/eventhandler.h>
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#include <sys/sysctl.h>
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#if __FreeBSD_version >= 500000
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#endif
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#include <machine/bus.h>
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#include <machine/resource.h>
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#if __FreeBSD_version < 500000
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typedef vm_offset_t vm_paddr_t;
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#endif
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struct acpi_softc {
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device_t acpi_dev;
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dev_t acpi_dev_t;
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struct resource *acpi_irq;
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int acpi_irq_rid;
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void *acpi_irq_handle;
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int acpi_enabled;
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int acpi_sstate;
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int acpi_sleep_disabled;
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struct sysctl_ctx_list acpi_sysctl_ctx;
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struct sysctl_oid *acpi_sysctl_tree;
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int acpi_power_button_sx;
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int acpi_sleep_button_sx;
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int acpi_lid_switch_sx;
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int acpi_standby_sx;
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int acpi_suspend_sx;
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int acpi_sleep_delay;
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int acpi_s4bios;
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int acpi_disable_on_poweroff;
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int acpi_verbose;
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bus_dma_tag_t acpi_waketag;
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bus_dmamap_t acpi_wakemap;
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vm_offset_t acpi_wakeaddr;
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vm_paddr_t acpi_wakephys;
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struct sysctl_ctx_list acpi_battery_sysctl_ctx;
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struct sysctl_oid *acpi_battery_sysctl_tree;
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};
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struct acpi_device {
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/* ACPI ivars */
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ACPI_HANDLE ad_handle;
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int ad_magic;
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void *ad_private;
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/* Resources */
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struct resource_list ad_rl;
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};
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struct acpi_prw_data {
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ACPI_HANDLE gpe_handle;
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int gpe_bit;
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int lowest_wake;
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void *power_res;
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};
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/* Flags for each device defined in the AML namespace. */
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#define ACPI_FLAG_WAKE_CAPABLE 0x1
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#define ACPI_FLAG_WAKE_ENABLED 0x2
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#if __FreeBSD_version < 500000
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/*
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* In 4.x, ACPI is protected by splhigh().
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*/
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# define ACPI_LOCK s = splhigh()
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# define ACPI_UNLOCK splx(s)
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# define ACPI_ASSERTLOCK
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# define ACPI_MSLEEP(a, b, c, d, e) tsleep(a, c, d, e)
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# define ACPI_LOCK_DECL int s
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# define kthread_create(a, b, c, d, e, f) kthread_create(a, b, c, f)
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# define tc_init(a) init_timecounter(a)
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#else
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# define ACPI_LOCK
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# define ACPI_UNLOCK
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# define ACPI_ASSERTLOCK
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# define ACPI_LOCK_DECL
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#endif
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/*
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* ACPI CA does not define layers for non-ACPI CA drivers.
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* We define some here within the range provided.
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*/
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#define ACPI_AC_ADAPTER 0x00010000
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#define ACPI_BATTERY 0x00020000
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#define ACPI_BUS 0x00040000
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#define ACPI_BUTTON 0x00080000
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#define ACPI_EC 0x00100000
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#define ACPI_FAN 0x00200000
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#define ACPI_POWERRES 0x00400000
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#define ACPI_PROCESSOR 0x00800000
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#define ACPI_THERMAL 0x01000000
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#define ACPI_TIMER 0x02000000
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#define ACPI_ASUS 0x04000000
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/*
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* Constants for different interrupt models used with acpi_SetIntrModel().
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*/
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#define ACPI_INTR_PIC 0
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#define ACPI_INTR_APIC 1
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#define ACPI_INTR_SAPIC 2
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/*
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* Note that the low ivar values are reserved to provide
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* interface compatibility with ISA drivers which can also
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* attach to ACPI.
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*/
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#define ACPI_IVAR_HANDLE 0x100
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#define ACPI_IVAR_MAGIC 0x101
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#define ACPI_IVAR_PRIVATE 0x102
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/*
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* Accessor functions for our ivars. Default value for BUS_READ_IVAR is
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* (type) 0. The <sys/bus.h> accessor functions don't check return values.
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*/
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#define __ACPI_BUS_ACCESSOR(varp, var, ivarp, ivar, type) \
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\
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static __inline type varp ## _get_ ## var(device_t dev) \
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{ \
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uintptr_t v = 0; \
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BUS_READ_IVAR(device_get_parent(dev), dev, \
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ivarp ## _IVAR_ ## ivar, &v); \
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return ((type) v); \
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} \
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\
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static __inline void varp ## _set_ ## var(device_t dev, type t) \
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{ \
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uintptr_t v = (uintptr_t) t; \
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BUS_WRITE_IVAR(device_get_parent(dev), dev, \
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ivarp ## _IVAR_ ## ivar, v); \
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}
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__ACPI_BUS_ACCESSOR(acpi, handle, ACPI, HANDLE, ACPI_HANDLE)
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__ACPI_BUS_ACCESSOR(acpi, magic, ACPI, MAGIC, int)
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__ACPI_BUS_ACCESSOR(acpi, private, ACPI, PRIVATE, void *)
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static __inline ACPI_OBJECT_TYPE
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acpi_get_type(device_t dev)
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{
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ACPI_HANDLE h;
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ACPI_OBJECT_TYPE t;
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if ((h = acpi_get_handle(dev)) == NULL)
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return (ACPI_TYPE_NOT_FOUND);
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if (AcpiGetType(h, &t) != AE_OK)
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return (ACPI_TYPE_NOT_FOUND);
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return (t);
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}
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#ifdef ACPI_DEBUGGER
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void acpi_EnterDebugger(void);
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#endif
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#ifdef ACPI_DEBUG
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#include <sys/cons.h>
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#define STEP(x) do {printf x, printf("\n"); cngetc();} while (0)
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#else
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#define STEP(x)
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#endif
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#define ACPI_VPRINT(dev, acpi_sc, x...) do { \
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if (acpi_get_verbose(acpi_sc)) \
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device_printf(dev, x); \
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} while (0)
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#define ACPI_DEVINFO_PRESENT(x) (((x) & 0x9) == 9)
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BOOLEAN acpi_DeviceIsPresent(device_t dev);
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BOOLEAN acpi_BatteryIsPresent(device_t dev);
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BOOLEAN acpi_MatchHid(device_t dev, char *hid);
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ACPI_STATUS acpi_GetHandleInScope(ACPI_HANDLE parent, char *path,
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ACPI_HANDLE *result);
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uint32_t acpi_TimerDelta(uint32_t end, uint32_t start);
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ACPI_BUFFER *acpi_AllocBuffer(int size);
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ACPI_STATUS acpi_ConvertBufferToInteger(ACPI_BUFFER *bufp,
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UINT32 *number);
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ACPI_STATUS acpi_GetInteger(ACPI_HANDLE handle, char *path,
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UINT32 *number);
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ACPI_STATUS acpi_SetInteger(ACPI_HANDLE handle, char *path,
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UINT32 number);
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ACPI_STATUS acpi_ForeachPackageObject(ACPI_OBJECT *obj,
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void (*func)(ACPI_OBJECT *comp, void *arg), void *arg);
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ACPI_STATUS acpi_FindIndexedResource(ACPI_BUFFER *buf, int index,
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ACPI_RESOURCE **resp);
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ACPI_STATUS acpi_AppendBufferResource(ACPI_BUFFER *buf,
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ACPI_RESOURCE *res);
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ACPI_STATUS acpi_OverrideInterruptLevel(UINT32 InterruptNumber);
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ACPI_STATUS acpi_SetIntrModel(int model);
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ACPI_STATUS acpi_SetSleepState(struct acpi_softc *sc, int state);
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int acpi_wake_init(device_t dev, int type);
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int acpi_wake_set_enable(device_t dev, int enable);
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int acpi_wake_sleep_prep(device_t dev, int sstate);
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int acpi_wake_run_prep(device_t dev);
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ACPI_STATUS acpi_Startup(void);
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ACPI_STATUS acpi_Enable(struct acpi_softc *sc);
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ACPI_STATUS acpi_Disable(struct acpi_softc *sc);
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void acpi_UserNotify(const char *subsystem, ACPI_HANDLE h,
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uint8_t notify);
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struct resource *acpi_bus_alloc_gas(device_t dev, int *rid,
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ACPI_GENERIC_ADDRESS *gas);
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struct acpi_parse_resource_set {
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void (*set_init)(device_t dev, void *arg, void **context);
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void (*set_done)(device_t dev, void *context);
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void (*set_ioport)(device_t dev, void *context, uint32_t base,
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uint32_t length);
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void (*set_iorange)(device_t dev, void *context, uint32_t low,
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uint32_t high, uint32_t length, uint32_t align);
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void (*set_memory)(device_t dev, void *context, uint32_t base,
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uint32_t length);
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void (*set_memoryrange)(device_t dev, void *context, uint32_t low,
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uint32_t high, uint32_t length, uint32_t align);
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void (*set_irq)(device_t dev, void *context, u_int32_t *irq,
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int count, int trig, int pol);
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void (*set_drq)(device_t dev, void *context, u_int32_t *drq,
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int count);
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void (*set_start_dependant)(device_t dev, void *context,
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int preference);
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void (*set_end_dependant)(device_t dev, void *context);
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};
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extern struct acpi_parse_resource_set acpi_res_parse_set;
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ACPI_STATUS acpi_parse_resources(device_t dev, ACPI_HANDLE handle,
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struct acpi_parse_resource_set *set, void *arg);
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/* ACPI event handling */
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UINT32 acpi_event_power_button_sleep(void *context);
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UINT32 acpi_event_power_button_wake(void *context);
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UINT32 acpi_event_sleep_button_sleep(void *context);
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UINT32 acpi_event_sleep_button_wake(void *context);
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#define ACPI_EVENT_PRI_FIRST 0
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#define ACPI_EVENT_PRI_DEFAULT 10000
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#define ACPI_EVENT_PRI_LAST 20000
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typedef void (*acpi_event_handler_t)(void *, int);
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EVENTHANDLER_DECLARE(acpi_sleep_event, acpi_event_handler_t);
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EVENTHANDLER_DECLARE(acpi_wakeup_event, acpi_event_handler_t);
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/* Device power control. */
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ACPI_STATUS acpi_pwr_switch_consumer(ACPI_HANDLE consumer, int state);
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/* Misc. */
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static __inline struct acpi_softc *
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acpi_device_get_parent_softc(device_t child)
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{
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device_t parent;
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parent = device_get_parent(child);
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if (parent == NULL)
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return (NULL);
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return (device_get_softc(parent));
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}
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static __inline int
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acpi_get_verbose(struct acpi_softc *sc)
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{
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if (sc)
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return (sc->acpi_verbose);
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return (0);
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}
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char *acpi_name(ACPI_HANDLE handle);
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int acpi_avoid(ACPI_HANDLE handle);
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int acpi_disabled(char *subsys);
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int acpi_machdep_init(device_t dev);
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void acpi_install_wakeup_handler(struct acpi_softc *sc);
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int acpi_sleep_machdep(struct acpi_softc *sc, int state);
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/* Battery Abstraction. */
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struct acpi_battinfo;
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struct acpi_battdesc;
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int acpi_battery_register(int, int);
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int acpi_battery_get_battinfo(int, struct acpi_battinfo *);
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int acpi_battery_get_units(void);
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int acpi_battery_get_info_expire(void);
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int acpi_battery_get_battdesc(int, struct acpi_battdesc *);
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int acpi_cmbat_get_battinfo(int, struct acpi_battinfo *);
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/* Embedded controller. */
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void acpi_ec_ecdt_probe(device_t);
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/* AC adapter interface. */
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int acpi_acad_get_acline(int *);
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/* Package manipulation convenience functions. */
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#define ACPI_PKG_VALID(pkg, size) \
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((pkg) != NULL && (pkg)->Type == ACPI_TYPE_PACKAGE && \
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(pkg)->Package.Count >= (size))
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int acpi_PkgInt(ACPI_OBJECT *res, int idx, ACPI_INTEGER *dst);
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int acpi_PkgInt32(ACPI_OBJECT *res, int idx, uint32_t *dst);
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int acpi_PkgStr(ACPI_OBJECT *res, int idx, void *dst, size_t size);
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int acpi_PkgGas(device_t dev, ACPI_OBJECT *res, int idx, int *rid,
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struct resource **dst);
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ACPI_HANDLE acpi_GetReference(ACPI_HANDLE scope, ACPI_OBJECT *obj);
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#if __FreeBSD_version >= 500000
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#ifndef ACPI_MAX_THREADS
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#define ACPI_MAX_THREADS 3
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#endif
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#if ACPI_MAX_THREADS > 0
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#define ACPI_USE_THREADS
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#endif
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#endif
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#ifdef ACPI_USE_THREADS
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/* ACPI task kernel thread initialization. */
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int acpi_task_thread_init(void);
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#endif
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