1/* $NetBSD: pci_machdep.h,v 1.15 2022/08/16 14:00:03 skrll Exp $ */ 2/* NetBSD: pci_machdep.h,v 1.3 1999/03/19 03:40:46 cgd Exp */ 3 4/* 5 * Copyright (c) 1996 Carnegie-Mellon University. 6 * All rights reserved. 7 * 8 * Author: Chris G. Demetriou 9 * 10 * Permission to use, copy, modify and distribute this software and 11 * its documentation is hereby granted, provided that both the copyright 12 * notice and this permission notice appear in all copies of the 13 * software, derivative works or modified versions, and any portions 14 * thereof, and that both notices appear in supporting documentation. 15 * 16 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 17 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 18 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 19 * 20 * Carnegie Mellon requests users of this software to return to 21 * 22 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 23 * School of Computer Science 24 * Carnegie Mellon University 25 * Pittsburgh PA 15213-3890 26 * 27 * any improvements or extensions that they make and grant Carnegie the 28 * rights to redistribute these changes. 29 */ 30 31#ifndef _MACHINE_PCI_MACHDEP_H_ 32#define _MACHINE_PCI_MACHDEP_H_ 33 34/* 35 * Machine-specific definitions for PCI autoconfiguration. 36 */ 37#define __HAVE_PCI_CONF_HOOK 38 39/* 40 * Forward declarations. 41 */ 42struct pci_attach_args; 43 44/* 45 * Types provided to machine-independent PCI code 46 */ 47typedef struct arc_pci_chipset *pci_chipset_tag_t; 48typedef u_long pcitag_t; 49typedef u_long pci_intr_handle_t; 50 51/* 52 * arc-specific PCI structure and type definitions. 53 * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE. 54 */ 55struct arc_pci_chipset { 56 void (*pc_attach_hook)(device_t, device_t, 57 struct pcibus_attach_args *); 58 int (*pc_bus_maxdevs)(pci_chipset_tag_t, int); 59 pcitag_t (*pc_make_tag)(pci_chipset_tag_t, int, int, int); 60 void (*pc_decompose_tag)(pci_chipset_tag_t, pcitag_t, 61 int *, int *, int *); 62 pcireg_t (*pc_conf_read)(pci_chipset_tag_t, pcitag_t, int); 63 void (*pc_conf_write)(pci_chipset_tag_t, pcitag_t, int, 64 pcireg_t); 65 int (*pc_intr_map)(const struct pci_attach_args *, 66 pci_intr_handle_t *); 67 const char *(*pc_intr_string)(pci_chipset_tag_t, 68 pci_intr_handle_t, char *, size_t); 69 int (*pc_intr_setattr)(void *, pci_intr_handle_t *, 70 int, uint64_t); 71 void *(*pc_intr_establish)(pci_chipset_tag_t, 72 pci_intr_handle_t, int, int (*)(void *), void *); 73 void (*pc_intr_disestablish)(pci_chipset_tag_t, void *); 74 void (*pc_conf_interrupt)(pci_chipset_tag_t, int, int, int, 75 int, int *); 76 int (*pc_conf_hook)(pci_chipset_tag_t, int, int, int, 77 pcireg_t); 78}; 79 80/* 81 * Functions provided to machine-independent PCI code. 82 */ 83#define pci_attach_hook(p, s, pba) \ 84 (*(pba)->pba_pc->pc_attach_hook)((p), (s), (pba)) 85#define pci_bus_maxdevs(c, b) \ 86 (*(c)->pc_bus_maxdevs)((c), (b)) 87#define pci_make_tag(c, b, d, f) \ 88 (*(c)->pc_make_tag)((c), (b), (d), (f)) 89#define pci_decompose_tag(c, t, bp, dp, fp) \ 90 (*(c)->pc_decompose_tag)((c), (t), (bp), (dp), (fp)) 91#define pci_conf_read(c, t, r) \ 92 (*(c)->pc_conf_read)((c), (t), (r)) 93#define pci_conf_write(c, t, r, v) \ 94 (*(c)->pc_conf_write)((c), (t), (r), (v)) 95#define pci_intr_map(pa, ihp) \ 96 (*(pa)->pa_pc->pc_intr_map)((pa), (ihp)) 97#define pci_intr_string(c, ih, buf, len) \ 98 (*(c)->pc_intr_string)((c), (ih), (buf), (len)) 99#define pci_intr_establish(c, ih, l, h, a) \ 100 (*(c)->pc_intr_establish)((c), (ih), (l), (h), (a)) 101#define pci_intr_disestablish(c, iv) \ 102 (*(c)->pc_intr_disestablish)((c), (iv)) 103#define pci_conf_interrupt(c, b, d, f, s, i) \ 104 (*(c)->pc_conf_interrupt)((c), (b), (d), (f), (s), (i)) 105#define pci_conf_hook(c, b, d, f, i) \ 106 (*(c)->pc_conf_hook)((c), (b), (d), (f), (i)) 107 108static inline int 109pci_intr_setattr(pci_chipset_tag_t pc, pci_intr_handle_t *ihp, 110 int attr, uint64_t data) 111{ 112 if (!pc->pc_intr_setattr) 113 return ENODEV; 114 return pc->pc_intr_setattr(pc, ihp, attr, data); 115} 116 117#endif /* _MACHINE_PCI_MACHDEP_H_ */ 118