intel/sys/acpica.h

	acpica.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
 * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef _SYS_ACPICA_H
#define _SYS_ACPICA_H

#pragma ident   "%Z%%M% %I% %E% SMI"

#ifdef __cplusplus
extern "C" {
#endif

typedef struct {
    dev_info_t      *dip;
    kmutex_t        mutex;
    ddi_iblock_cookie_t iblock_cookie;
} AcpiCA;

/* acpi-user-options options property */
extern unsigned int acpi_options_prop;
#define ACPI_OUSER_MASK     0x0003
#define ACPI_OUSER_DFLT     0x0000
#define ACPI_OUSER_ON       0x0001
#define ACPI_OUSER_OFF      0x0002
#define ACPI_OUSER_MADT     0x0004
#define ACPI_OUSER_LEGACY   0x0008


/*
 * Initialization state of the ACPI CA subsystem
 */
#define ACPICA_NOT_INITIALIZED  (0)
#define ACPICA_INITIALIZED  (1)

extern int acpica_init(void);
extern void acpica_ec_init(void);
extern int acpica_eval_int(ACPI_HANDLE, char *, int *);
extern int acpica_find_pciobj(dev_info_t *, ACPI_HANDLE *);
extern int acpica_find_pcidip(ACPI_HANDLE, dev_info_t **);

#define SCI_IPL (LOCK_LEVEL-1)

/*
 * Mapping table from dip to ACPI object for PCI nodes that might have
 * _PRT. Note: we keep bus/dev/func, but they're not really used;
 * lookups on this table are from dip to acpiobj. b/d/f are there
 * primarily for debugging ease. For peer/root PCI buses, dev and func
 * are irrelevant, and so are set to bogus illegal values; bus is set to
 * the PCI bus *under* that peer-bus node.
 */

typedef struct dip_to_acpiobj_t {
    dev_info_t *dip;
    ACPI_HANDLE acpiobj;
    unsigned char bus;
    unsigned char dev;
    unsigned char func;
} d2a;

/*
 * definitions of Bus Type
 */
#define BUS_CBUS    1
#define BUS_CBUSII  2
#define BUS_EISA    3
#define BUS_FUTURE  4
#define BUS_INTERN  5
#define BUS_ISA     6
#define BUS_MBI     7
#define BUS_MBII    8
#define BUS_MPI     10
#define BUS_MPSA    11
#define BUS_NUBUS   12
#define BUS_PCI     13
#define BUS_PCMCIA  14
#define BUS_TC      15
#define BUS_VL      16
#define BUS_VME     17
#define BUS_XPRESS  18


/*
 * intr_po - polarity definitions
 */
#define INTR_PO_CONFORM     0x00
#define INTR_PO_ACTIVE_HIGH 0x01
#define INTR_PO_RESERVED    0x02
#define INTR_PO_ACTIVE_LOW  0x03

/*
 * intr_el edge or level definitions
 */
#define INTR_EL_CONFORM     0x00
#define INTR_EL_EDGE        0x01
#define INTR_EL_RESERVED    0x02
#define INTR_EL_LEVEL       0x03

/*
 * interrupt flags structure
 */
typedef struct iflag {
    uchar_t intr_po: 2,
        intr_el: 2,
        bustype: 4;
} iflag_t;


/* _HID for PCI bus object */
#define HID_PCI_BUS     0x30AD041
#define HID_PCI_EXPRESS_BUS 0x080AD041

/*
 * Internal functions
 */
extern ACPI_STATUS acpica_get_sci(int *sci_irq, iflag_t *sci_flags);
extern int acpica_get_bdf(dev_info_t *dip, int *bus, int *device, int *func);

#ifdef __cplusplus
}
#endif

#endif /* _SYS_ACPICA_H */