1 /* $NetBSD: pci_machdep.h,v 1.4 2002/05/15 19:23:52 thorpej 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 /* 32 * Machine-specific definitions for PCI autoconfiguration. 33 */ 34 35 /* 36 * Forward declarations. 37 */ 38 struct pci_attach_args; 39 40 /* 41 * Types provided to machine-independent PCI code 42 */ 43 typedef struct arc_pci_chipset *pci_chipset_tag_t; 44 typedef u_long pcitag_t; 45 typedef u_long pci_intr_handle_t; 46 47 /* 48 * arc-specific PCI structure and type definitions. 49 * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE. 50 */ 51 struct arc_pci_chipset { 52 void (*pc_attach_hook) __P((struct device *, 53 struct device *, struct pcibus_attach_args *)); 54 int (*pc_bus_maxdevs) __P((pci_chipset_tag_t, int)); 55 pcitag_t (*pc_make_tag) __P((pci_chipset_tag_t, int, int, int)); 56 void (*pc_decompose_tag) __P((pci_chipset_tag_t, pcitag_t, 57 int *, int *, int *)); 58 pcireg_t (*pc_conf_read) __P((pci_chipset_tag_t, pcitag_t, 59 int)); 60 void (*pc_conf_write) __P((pci_chipset_tag_t, pcitag_t, int, 61 pcireg_t)); 62 int (*pc_intr_map) __P((struct pci_attach_args *, 63 pci_intr_handle_t *)); 64 const char *(*pc_intr_string) __P((pci_chipset_tag_t, 65 pci_intr_handle_t)); 66 void *(*pc_intr_establish) __P((pci_chipset_tag_t, 67 pci_intr_handle_t, int, int (*)(void *), void *)); 68 void (*pc_intr_disestablish) __P((pci_chipset_tag_t, 69 void *)); 70 }; 71 72 /* 73 * Functions provided to machine-independent PCI code. 74 */ 75 #define pci_attach_hook(p, s, pba) \ 76 (*(pba)->pba_pc->pc_attach_hook)((p), (s), (pba)) 77 #define pci_bus_maxdevs(c, b) \ 78 (*(c)->pc_bus_maxdevs)((c), (b)) 79 #define pci_make_tag(c, b, d, f) \ 80 (*(c)->pc_make_tag)((c), (b), (d), (f)) 81 #define pci_decompose_tag(c, t, bp, dp, fp) \ 82 (*(c)->pc_decompose_tag)((c), (t), (bp), (dp), (fp)) 83 #define pci_conf_read(c, t, r) \ 84 (*(c)->pc_conf_read)((c), (t), (r)) 85 #define pci_conf_write(c, t, r, v) \ 86 (*(c)->pc_conf_write)((c), (t), (r), (v)) 87 #define pci_intr_map(pa, ihp) \ 88 (*(pa)->pa_pc->pc_intr_map)((pa), (ihp)) 89 #define pci_intr_string(c, ih) \ 90 (*(c)->pc_intr_string)((c), (ih)) 91 #define pci_intr_establish(c, ih, l, h, a) \ 92 (*(c)->pc_intr_establish)((c), (ih), (l), (h), (a)) 93 #define pci_intr_disestablish(c, iv) \ 94 (*(c)->pc_intr_disestablish)((c), (iv)) 95 96 #define pci_enumerate_bus(sc, m, p) \ 97 pci_enumerate_bus_generic((sc), (m), (p)) 98