/* $NetBSD: pci_machdep.h,v 1.15 2020/07/07 03:38:48 thorpej Exp $ */

/* $NetBSD: pci_machdep.h,v 1.15 2020/07/07 03:38:48 thorpej Exp $ */

/*
* Copyright (c) 1996 Christopher G. Demetriou. All rights reserved.
* Copyright (c) 1994 Charles M. Hannum. 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Charles M. Hannum.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* 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.
*/

/*
* Machine-specific definitions for PCI autoconfiguration.
*/

#define __HAVE_PCI_CONF_HOOK

/*
* Forward declarations.
*/
struct pci_attach_args;

/*
* Types provided to machine-independent PCI code
*/

typedef struct sgimips_pci_chipset *pci_chipset_tag_t;
typedef u_int32_t pcitag_t;
typedef int pci_intr_handle_t;

/*
* SGI-specific PCI structure and type definitions.
* NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE.
*/
struct sgimips_pci_chipset {
int (*pc_bus_maxdevs)(pci_chipset_tag_t, int);
pcireg_t (*pc_conf_read)(pci_chipset_tag_t, pcitag_t, int);
void (*pc_conf_write)(pci_chipset_tag_t, pcitag_t, int,
pcireg_t);
int (*pc_conf_hook)(pci_chipset_tag_t, int, int, int,
pcireg_t);
int (*pc_intr_map)(const struct pci_attach_args *,
pci_intr_handle_t *);
const char * (*pc_intr_string)(pci_chipset_tag_t pc,
pci_intr_handle_t, char *, size_t);
void *(*intr_establish)(int , int, int (*)(void *), void *);
void (*intr_disestablish)(void *ih);

bus_space_tag_t iot;
bus_space_handle_t ioh;

void *cookie;
};

extern struct mips_bus_dma_tag pci_bus_dma_tag;

/*
* Functions provided to machine-independent PCI code.
*/
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 *);
pcireg_t pci_conf_read(pci_chipset_tag_t, pcitag_t, int);
void pci_conf_write(pci_chipset_tag_t, pcitag_t, int,
pcireg_t);
int pci_conf_hook(pci_chipset_tag_t, int, int, int, pcireg_t);
int pci_intr_map(const struct pci_attach_args *,
pci_intr_handle_t *);
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);
void *pci_intr_establish(pci_chipset_tag_t, pci_intr_handle_t,
int, int (*)(void *), void *);
void pci_intr_disestablish(pci_chipset_tag_t, void *);

void pci_conf_interrupt(pci_chipset_tag_t, int, int, int, int,
int *);