114 lines
4.2 KiB
C
114 lines
4.2 KiB
C
/* $NetBSD: pci_machdep.h,v 1.27 2014/03/29 19:28:30 christos Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1999 Matthew R. Green
|
|
* 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 ``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 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.
|
|
*/
|
|
|
|
#ifndef _MACHINE_PCI_MACHDEP_H_
|
|
#define _MACHINE_PCI_MACHDEP_H_
|
|
|
|
/*
|
|
* Forward declarations.
|
|
*/
|
|
struct pci_attach_args;
|
|
|
|
/*
|
|
* define some bits used to glue into the common PCI code.
|
|
*/
|
|
|
|
/*
|
|
* The stuuuuuuupid allegedly MI PCI code expects pcitag_t to be a
|
|
* scalar type. But we really need to store both the OFW node and
|
|
* the bus/device/function info in it. (We'd like to store more,
|
|
* like all the ofw properties, but we don't need to.) Luckily,
|
|
* both are 32-bit values, so we can squeeze them into a uint64_t
|
|
* with a little help from some macros.
|
|
*/
|
|
|
|
#define PCITAG_NODE(x) (int)(((x)>>32)&0xffffffff)
|
|
#define PCITAG_OFFSET(x) ((x)&0xffffffff)
|
|
#define PCITAG_BUS(t) ((PCITAG_OFFSET(t)>>16)&0xff)
|
|
#define PCITAG_DEV(t) ((PCITAG_OFFSET(t)>>11)&0x1f)
|
|
#define PCITAG_FUN(t) ((PCITAG_OFFSET(t)>>8)&0x7)
|
|
#define PCITAG_CREATE(n,b,d,f) (((uint64_t)(n)<<32)|((b)<<16)|((d)<<11)|((f)<<8))
|
|
#define PCITAG_SETNODE(t,n) ((t)&0xffffffff)|(((n)<<32)
|
|
typedef uint64_t pcitag_t;
|
|
|
|
typedef struct sparc_pci_chipset *pci_chipset_tag_t;
|
|
typedef u_int pci_intr_handle_t;
|
|
|
|
struct sparc_pci_chipset {
|
|
void *cookie; /* psycho_pbm/, but sssh! */
|
|
int rootnode; /* PCI controller */
|
|
|
|
/* pci(9) interfaces */
|
|
pcireg_t (*spc_conf_read)(pci_chipset_tag_t, pcitag_t, int);
|
|
void (*spc_conf_write)(pci_chipset_tag_t, pcitag_t, int, pcireg_t);
|
|
|
|
int (*spc_intr_map)(const struct pci_attach_args *, pci_intr_handle_t *);
|
|
void *(*spc_intr_establish)(pci_chipset_tag_t, pci_intr_handle_t, int, int (*)(void *), void *);
|
|
|
|
/* private interfaces */
|
|
int (*spc_find_ino)(const struct pci_attach_args *, pci_intr_handle_t *);
|
|
|
|
int spc_busmax;
|
|
struct spc_busnode {
|
|
int node;
|
|
int (*valid)(void *);
|
|
void *arg;
|
|
} (*spc_busnode)[256];
|
|
};
|
|
|
|
|
|
void pci_attach_hook(device_t, device_t,
|
|
struct pcibus_attach_args *);
|
|
int pci_bus_maxdevs(pci_chipset_tag_t, int);
|
|
pcitag_t pci_make_tag(pci_chipset_tag_t, int, int, int);
|
|
void pci_decompose_tag(pci_chipset_tag_t, pcitag_t, int *, int *,
|
|
int *);
|
|
const char *pci_intr_string(pci_chipset_tag_t, pci_intr_handle_t,
|
|
char *, size_t);
|
|
const struct evcnt *pci_intr_evcnt(pci_chipset_tag_t, pci_intr_handle_t);
|
|
int pci_intr_map(const struct pci_attach_args *,
|
|
pci_intr_handle_t *);
|
|
void pci_intr_disestablish(pci_chipset_tag_t, void *);
|
|
|
|
int sparc64_pci_enumerate_bus(struct pci_softc *, const int *,
|
|
int (*)(const struct pci_attach_args *),
|
|
struct pci_attach_args *);
|
|
#define PCI_MACHDEP_ENUMERATE_BUS sparc64_pci_enumerate_bus
|
|
|
|
#define pci_conf_read(pc, tag, reg) \
|
|
((pc)->spc_conf_read(pc, tag, reg))
|
|
#define pci_conf_write(pc, tag, reg, val) \
|
|
((pc)->spc_conf_write(pc, tag, reg, val))
|
|
#define pci_intr_establish(pc, handle, level, func, arg) \
|
|
((pc)->spc_intr_establish(pc, handle, level, func, arg))
|
|
|
|
/* SPARC specific PCI interfaces */
|
|
int sparc_pci_childspace(int);
|
|
|
|
#endif /* _MACHINE_PCI_MACHDEP_H_ */
|