/* $NetBSD: pci_machdep.h,v 1.24 2021/07/04 22:36:43 thorpej Exp $ */
/*
* Copyright (c) 1996 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Chris G. Demetriou
*
* Permission to use, copy, modify and distribute this software and
* its documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*/
#ifndef _ALPHA_PCI_MACHDEP_H_
#define _ALPHA_PCI_MACHDEP_H_
#include <sys/errno.h>
/*
* Machine-specific definitions for PCI autoconfiguration.
*/
#define __HAVE_PCIIDE_MACHDEP_COMPAT_INTR_ESTABLISH
#define _PCI_HAVE_DMA64
/*
* Types provided to machine-independent PCI code
*/
typedef struct alpha_pci_chipset *pci_chipset_tag_t;
typedef u_long pcitag_t;
typedef struct {
u_long value;
} pci_intr_handle_t;
/*
* Forward declarations.
*/
struct pci_attach_args;
struct alpha_shared_intr;
/*
* alpha-specific PCI structure and type definitions.
* NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE.
*/
struct alpha_pci_chipset {
void *pc_conf_v;
void (*pc_attach_hook)(device_t, device_t,
struct pcibus_attach_args *);
int (*pc_bus_maxdevs)(void *, int);
pcitag_t (*pc_make_tag)(void *, int, int, int);
void (*pc_decompose_tag)(void *, pcitag_t, int *,
int *, int *);
pcireg_t (*pc_conf_read)(void *, pcitag_t, int);
void (*pc_conf_write)(void *, pcitag_t, int, pcireg_t);
void *pc_intr_v;
int (*pc_intr_map)(const struct pci_attach_args *,
pci_intr_handle_t *);
const char *(*pc_intr_string)(pci_chipset_tag_t,
pci_intr_handle_t, char *, size_t);
const struct evcnt *(*pc_intr_evcnt)(pci_chipset_tag_t,
pci_intr_handle_t);
void *(*pc_intr_establish)(pci_chipset_tag_t,
pci_intr_handle_t, int, int (*)(void *), void *);
void (*pc_intr_disestablish)(pci_chipset_tag_t, void *);
void *(*pc_pciide_compat_intr_establish)(device_t,
const struct pci_attach_args *, int,
int (*)(void *), void *);
struct alpha_shared_intr *pc_shared_intrs;
const char *pc_intr_desc;
u_long pc_vecbase;
u_int pc_nirq;
u_long pc_eligible_cpus;
void (*pc_intr_enable)(pci_chipset_tag_t, int);
void (*pc_intr_disable)(pci_chipset_tag_t, int);
void (*pc_intr_set_affinity)(pci_chipset_tag_t, int,
struct cpu_info *);
};
struct alpha_pci_intr_impl {
uint64_t systype;
void (*intr_init)(void *, bus_space_tag_t, bus_space_tag_t,
pci_chipset_tag_t);
};
#define ALPHA_PCI_INTR_INIT(_st_, _fn_) \
static const struct alpha_pci_intr_impl __CONCAT(intr_impl_st_,_st_) = {\
.systype = (_st_), .intr_init = (_fn_), \
}; \
__link_set_add_rodata(alpha_pci_intr_impls, __CONCAT(intr_impl_st_,_st_));
/*
* 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_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 *);
/*
* alpha-specific PCI functions.
* NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE.
*/
void pci_display_console(bus_space_tag_t, bus_space_tag_t,
pci_chipset_tag_t, int, int, int);
void device_pci_register(device_t, void *);
void alpha_pci_intr_init(void *, bus_space_tag_t, bus_space_tag_t,
pci_chipset_tag_t);
void alpha_pci_intr_alloc(pci_chipset_tag_t, unsigned int);
int alpha_pci_generic_intr_map(const struct pci_attach_args *,
pci_intr_handle_t *);
const char *alpha_pci_generic_intr_string(pci_chipset_tag_t,
pci_intr_handle_t, char *, size_t);
const struct evcnt *alpha_pci_generic_intr_evcnt(pci_chipset_tag_t,
pci_intr_handle_t);
void *alpha_pci_generic_intr_establish(pci_chipset_tag_t,
pci_intr_handle_t, int, int (*)(void *), void *);
void alpha_pci_generic_intr_disestablish(pci_chipset_tag_t, void *);
void alpha_pci_generic_iointr(void *, unsigned long);
void alpha_pci_generic_intr_redistribute(pci_chipset_tag_t);
void alpha_pci_intr_handle_init(pci_intr_handle_t *, u_int, u_int);
void alpha_pci_intr_handle_set_irq(pci_intr_handle_t *, u_int);
u_int alpha_pci_intr_handle_get_irq(const pci_intr_handle_t *);
void alpha_pci_intr_handle_set_flags(pci_intr_handle_t *, u_int);
u_int alpha_pci_intr_handle_get_flags(const pci_intr_handle_t *);
#endif /* _ALPHA_PCI_MACHDEP_H_ */