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freebsd-skq/sys/dev/acpica/acpivar.h
Nate Lawson 9123341378 Add support to ACPI to manage its own resources. Previously, resource 
allocation was passed up to nexus.  Now, we probe sysresource objects and
manage the resources they describe in a local rman pool.  This helps
devices which attach/detach varying resources (like the _CST object) and
module loads/unloads.  The allocation/release routines now check to see if
the resource is described in a child sysresource object and if so,
allocate from the local rman.  Sysresource objects add their resources to
the pool and reserve them upon boot.  This means sysresources need to be
probed before other ACPI devices.

Changes include:
* Add ordering to the child device probe.  The current order is:  system
resource objects, embedded controllers, then everything else.
* Make acpi_MatchHid take a handle instead of a device_t arg.
* Replace acpi_{get,set}_resource with the generic equivalents.
2004-06-13 22:52:30 +00:00

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/*-
* Copyright (c) 2000 Mitsuru IWASAKI <iwasaki@jp.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.
*
* $FreeBSD$
*/
#include "bus_if.h"
#include <sys/eventhandler.h>
#include <sys/sysctl.h>
#if __FreeBSD_version >= 500000
#include <sys/lock.h>
#include <sys/mutex.h>
#endif
#include <machine/bus.h>
#include <machine/resource.h>
#if __FreeBSD_version < 500000
typedef vm_offset_t vm_paddr_t;
#endif
struct acpi_softc {
device_t acpi_dev;
dev_t acpi_dev_t;
struct resource *acpi_irq;
int acpi_irq_rid;
void *acpi_irq_handle;
int acpi_enabled;
int acpi_sstate;
int acpi_sleep_disabled;
struct sysctl_ctx_list acpi_sysctl_ctx;
struct sysctl_oid *acpi_sysctl_tree;
int acpi_power_button_sx;
int acpi_sleep_button_sx;
int acpi_lid_switch_sx;
int acpi_standby_sx;
int acpi_suspend_sx;
int acpi_sleep_delay;
int acpi_s4bios;
int acpi_disable_on_poweroff;
int acpi_verbose;
bus_dma_tag_t acpi_waketag;
bus_dmamap_t acpi_wakemap;
vm_offset_t acpi_wakeaddr;
vm_paddr_t acpi_wakephys;
struct sysctl_ctx_list acpi_battery_sysctl_ctx;
struct sysctl_oid *acpi_battery_sysctl_tree;
};
struct acpi_device {
/* ACPI ivars */
ACPI_HANDLE ad_handle;
int ad_magic;
void *ad_private;
/* Resources */
struct resource_list ad_rl;
};
struct acpi_prw_data {
ACPI_HANDLE gpe_handle;
int gpe_bit;
int lowest_wake;
void *power_res;
};
/* Flags for each device defined in the AML namespace. */
#define ACPI_FLAG_WAKE_CAPABLE 0x1
#define ACPI_FLAG_WAKE_ENABLED 0x2
#if __FreeBSD_version < 500000
/*
* In 4.x, ACPI is protected by splhigh().
*/
# define ACPI_LOCK s = splhigh()
# define ACPI_UNLOCK splx(s)
# define ACPI_ASSERTLOCK
# define ACPI_MSLEEP(a, b, c, d, e) tsleep(a, c, d, e)
# define ACPI_LOCK_DECL int s
# define kthread_create(a, b, c, d, e, f) kthread_create(a, b, c, f)
# define tc_init(a) init_timecounter(a)
#else
# define ACPI_LOCK
# define ACPI_UNLOCK
# define ACPI_ASSERTLOCK
# define ACPI_LOCK_DECL
#endif
/*
* ACPI CA does not define layers for non-ACPI CA drivers.
* We define some here within the range provided.
*/
#define ACPI_AC_ADAPTER 0x00010000
#define ACPI_BATTERY 0x00020000
#define ACPI_BUS 0x00040000
#define ACPI_BUTTON 0x00080000
#define ACPI_EC 0x00100000
#define ACPI_FAN 0x00200000
#define ACPI_POWERRES 0x00400000
#define ACPI_PROCESSOR 0x00800000
#define ACPI_THERMAL 0x01000000
#define ACPI_TIMER 0x02000000
#define ACPI_ASUS 0x04000000
/*
* Constants for different interrupt models used with acpi_SetIntrModel().
*/
#define ACPI_INTR_PIC 0
#define ACPI_INTR_APIC 1
#define ACPI_INTR_SAPIC 2
/*
* Note that the low ivar values are reserved to provide
* interface compatibility with ISA drivers which can also
* attach to ACPI.
*/
#define ACPI_IVAR_HANDLE 0x100
#define ACPI_IVAR_MAGIC 0x101
#define ACPI_IVAR_PRIVATE 0x102
/*
* Accessor functions for our ivars. Default value for BUS_READ_IVAR is
* (type) 0. The <sys/bus.h> accessor functions don't check return values.
*/
#define __ACPI_BUS_ACCESSOR(varp, var, ivarp, ivar, type) \
\
static __inline type varp ## _get_ ## var(device_t dev) \
{ \
uintptr_t v = 0; \
BUS_READ_IVAR(device_get_parent(dev), dev, \
ivarp ## _IVAR_ ## ivar, &v); \
return ((type) v); \
} \
\
static __inline void varp ## _set_ ## var(device_t dev, type t) \
{ \
uintptr_t v = (uintptr_t) t; \
BUS_WRITE_IVAR(device_get_parent(dev), dev, \
ivarp ## _IVAR_ ## ivar, v); \
}
__ACPI_BUS_ACCESSOR(acpi, handle, ACPI, HANDLE, ACPI_HANDLE)
__ACPI_BUS_ACCESSOR(acpi, magic, ACPI, MAGIC, int)
__ACPI_BUS_ACCESSOR(acpi, private, ACPI, PRIVATE, void *)
void acpi_fake_objhandler(ACPI_HANDLE h, UINT32 fn, void *data);
static __inline device_t
acpi_get_device(ACPI_HANDLE handle)
{
void *dev = NULL;
AcpiGetData(handle, acpi_fake_objhandler, &dev);
return ((device_t)dev);
}
static __inline ACPI_OBJECT_TYPE
acpi_get_type(device_t dev)
{
ACPI_HANDLE h;
ACPI_OBJECT_TYPE t;
if ((h = acpi_get_handle(dev)) == NULL)
return (ACPI_TYPE_NOT_FOUND);
if (AcpiGetType(h, &t) != AE_OK)
return (ACPI_TYPE_NOT_FOUND);
return (t);
}
#ifdef ACPI_DEBUGGER
void acpi_EnterDebugger(void);
#endif
#ifdef ACPI_DEBUG
#include <sys/cons.h>
#define STEP(x) do {printf x, printf("\n"); cngetc();} while (0)
#else
#define STEP(x)
#endif
#define ACPI_VPRINT(dev, acpi_sc, x...) do { \
if (acpi_get_verbose(acpi_sc)) \
device_printf(dev, x); \
} while (0)
#define ACPI_DEVINFO_PRESENT(x) (((x) & 0x9) == 9)
BOOLEAN acpi_DeviceIsPresent(device_t dev);
BOOLEAN acpi_BatteryIsPresent(device_t dev);
BOOLEAN acpi_MatchHid(ACPI_HANDLE h, char *hid);
ACPI_STATUS acpi_GetHandleInScope(ACPI_HANDLE parent, char *path,
ACPI_HANDLE *result);
uint32_t acpi_TimerDelta(uint32_t end, uint32_t start);
ACPI_BUFFER *acpi_AllocBuffer(int size);
ACPI_STATUS acpi_ConvertBufferToInteger(ACPI_BUFFER *bufp,
UINT32 *number);
ACPI_STATUS acpi_GetInteger(ACPI_HANDLE handle, char *path,
UINT32 *number);
ACPI_STATUS acpi_SetInteger(ACPI_HANDLE handle, char *path,
UINT32 number);
ACPI_STATUS acpi_ForeachPackageObject(ACPI_OBJECT *obj,
void (*func)(ACPI_OBJECT *comp, void *arg), void *arg);
ACPI_STATUS acpi_FindIndexedResource(ACPI_BUFFER *buf, int index,
ACPI_RESOURCE **resp);
ACPI_STATUS acpi_AppendBufferResource(ACPI_BUFFER *buf,
ACPI_RESOURCE *res);
ACPI_STATUS acpi_OverrideInterruptLevel(UINT32 InterruptNumber);
ACPI_STATUS acpi_SetIntrModel(int model);
ACPI_STATUS acpi_SetSleepState(struct acpi_softc *sc, int state);
int acpi_wake_init(device_t dev, int type);
int acpi_wake_set_enable(device_t dev, int enable);
int acpi_wake_sleep_prep(device_t dev, int sstate);
int acpi_wake_run_prep(device_t dev);
ACPI_STATUS acpi_Startup(void);
ACPI_STATUS acpi_Enable(struct acpi_softc *sc);
ACPI_STATUS acpi_Disable(struct acpi_softc *sc);
void acpi_UserNotify(const char *subsystem, ACPI_HANDLE h,
uint8_t notify);
struct resource *acpi_bus_alloc_gas(device_t dev, int *rid,
ACPI_GENERIC_ADDRESS *gas);
struct acpi_parse_resource_set {
void (*set_init)(device_t dev, void *arg, void **context);
void (*set_done)(device_t dev, void *context);
void (*set_ioport)(device_t dev, void *context, uint32_t base,
uint32_t length);
void (*set_iorange)(device_t dev, void *context, uint32_t low,
uint32_t high, uint32_t length, uint32_t align);
void (*set_memory)(device_t dev, void *context, uint32_t base,
uint32_t length);
void (*set_memoryrange)(device_t dev, void *context, uint32_t low,
uint32_t high, uint32_t length, uint32_t align);
void (*set_irq)(device_t dev, void *context, u_int32_t *irq,
int count, int trig, int pol);
void (*set_drq)(device_t dev, void *context, u_int32_t *drq,
int count);
void (*set_start_dependant)(device_t dev, void *context,
int preference);
void (*set_end_dependant)(device_t dev, void *context);
};
extern struct acpi_parse_resource_set acpi_res_parse_set;
ACPI_STATUS acpi_parse_resources(device_t dev, ACPI_HANDLE handle,
struct acpi_parse_resource_set *set, void *arg);
extern struct rman acpi_rman_io, acpi_rman_mem;
struct resource_list_entry *acpi_sysres_find(int type, u_long addr);
/* ACPI event handling */
UINT32 acpi_event_power_button_sleep(void *context);
UINT32 acpi_event_power_button_wake(void *context);
UINT32 acpi_event_sleep_button_sleep(void *context);
UINT32 acpi_event_sleep_button_wake(void *context);
#define ACPI_EVENT_PRI_FIRST 0
#define ACPI_EVENT_PRI_DEFAULT 10000
#define ACPI_EVENT_PRI_LAST 20000
typedef void (*acpi_event_handler_t)(void *, int);
EVENTHANDLER_DECLARE(acpi_sleep_event, acpi_event_handler_t);
EVENTHANDLER_DECLARE(acpi_wakeup_event, acpi_event_handler_t);
/* Device power control. */
ACPI_STATUS acpi_pwr_switch_consumer(ACPI_HANDLE consumer, int state);
/* Misc. */
static __inline struct acpi_softc *
acpi_device_get_parent_softc(device_t child)
{
device_t parent;
parent = device_get_parent(child);
if (parent == NULL)
return (NULL);
return (device_get_softc(parent));
}
static __inline int
acpi_get_verbose(struct acpi_softc *sc)
{
if (sc)
return (sc->acpi_verbose);
return (0);
}
char *acpi_name(ACPI_HANDLE handle);
int acpi_avoid(ACPI_HANDLE handle);
int acpi_disabled(char *subsys);
int acpi_machdep_init(device_t dev);
void acpi_install_wakeup_handler(struct acpi_softc *sc);
int acpi_sleep_machdep(struct acpi_softc *sc, int state);
/* Battery Abstraction. */
struct acpi_battinfo;
struct acpi_battdesc;
int acpi_battery_register(int, int);
int acpi_battery_get_battinfo(int, struct acpi_battinfo *);
int acpi_battery_get_units(void);
int acpi_battery_get_info_expire(void);
int acpi_battery_get_battdesc(int, struct acpi_battdesc *);
int acpi_cmbat_get_battinfo(int, struct acpi_battinfo *);
/* Embedded controller. */
void acpi_ec_ecdt_probe(device_t);
/* AC adapter interface. */
int acpi_acad_get_acline(int *);
/* Package manipulation convenience functions. */
#define ACPI_PKG_VALID(pkg, size) \
((pkg) != NULL && (pkg)->Type == ACPI_TYPE_PACKAGE && \
(pkg)->Package.Count >= (size))
int acpi_PkgInt(ACPI_OBJECT *res, int idx, ACPI_INTEGER *dst);
int acpi_PkgInt32(ACPI_OBJECT *res, int idx, uint32_t *dst);
int acpi_PkgStr(ACPI_OBJECT *res, int idx, void *dst, size_t size);
int acpi_PkgGas(device_t dev, ACPI_OBJECT *res, int idx, int *rid,
struct resource **dst);
ACPI_HANDLE acpi_GetReference(ACPI_HANDLE scope, ACPI_OBJECT *obj);
#if __FreeBSD_version >= 500000
#ifndef ACPI_MAX_THREADS
#define ACPI_MAX_THREADS 3
#endif
#if ACPI_MAX_THREADS > 0
#define ACPI_USE_THREADS
#endif
#endif
#ifdef ACPI_USE_THREADS
/* ACPI task kernel thread initialization. */
int acpi_task_thread_init(void);
#endif
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