1 /* $NetBSD: pci_machdep.h,v 1.9 2020/07/26 08:08:41 simonb Exp $ */ 2 3 /* 4 * Copyright (c) 1996 Carnegie-Mellon University. 5 * All rights reserved. 6 * 7 * Author: Chris G. Demetriou 8 * 9 * Permission to use, copy, modify and distribute this software and 10 * its documentation is hereby granted, provided that both the copyright 11 * notice and this permission notice appear in all copies of the 12 * software, derivative works or modified versions, and any portions 13 * thereof, and that both notices appear in supporting documentation. 14 * 15 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 16 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 17 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 18 * 19 * Carnegie Mellon requests users of this software to return to 20 * 21 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 22 * School of Computer Science 23 * Carnegie Mellon University 24 * Pittsburgh PA 15213-3890 25 * 26 * any improvements or extensions that they make and grant Carnegie the 27 * rights to redistribute these changes. 28 */ 29 30 #ifndef _MIPS_INCLUDE_PCI_MACHDEP_H_ 31 #define _MIPS_INCLUDE_PCI_MACHDEP_H_ 32 33 /* 34 * __HAVE_PCIIDE_MACHDEP_COMPAT_INTR_ESTABLISH (if used) needs to be 35 * defined before this file is included 36 */ 37 38 /* 39 * Types provided to machine-independent PCI code 40 */ 41 typedef struct mips_pci_chipset *pci_chipset_tag_t; 42 typedef u_long pcitag_t; 43 typedef u_long pci_intr_handle_t; 44 45 /* 46 * Forward declarations. 47 */ 48 struct pci_attach_args; 49 50 /* 51 * mips-specific PCI structure and type definitions. 52 * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE. 53 */ 54 struct mips_pci_chipset { 55 void *pc_conf_v; 56 void (*pc_attach_hook)(device_t, device_t, 57 struct pcibus_attach_args *); 58 int (*pc_bus_maxdevs)(void *, int); 59 pcitag_t (*pc_make_tag)(void *, int, int, int); 60 void (*pc_decompose_tag)(void *, pcitag_t, int *, 61 int *, int *); 62 pcireg_t (*pc_conf_read)(void *, pcitag_t, int); 63 void (*pc_conf_write)(void *, pcitag_t, int, pcireg_t); 64 65 void *pc_intr_v; 66 int (*pc_intr_map)(const struct pci_attach_args *, 67 pci_intr_handle_t *); 68 const char *(*pc_intr_string)(void *, pci_intr_handle_t, 69 char *, size_t); 70 const struct evcnt *(*pc_intr_evcnt)(void *, pci_intr_handle_t); 71 void *(*pc_intr_establish)(void *, pci_intr_handle_t, 72 int, int (*)(void *), void *); 73 void (*pc_intr_disestablish)(void *, void *); 74 75 void (*pc_conf_interrupt)(void *, int, int, int, 76 int, int *); 77 78 #ifdef __HAVE_PCIIDE_MACHDEP_COMPAT_INTR_ESTABLISH 79 void *(*pc_pciide_compat_intr_establish)(void *, 80 device_t, const struct pci_attach_args *, int, 81 int (*)(void *), void *); 82 #endif 83 }; 84 85 /* 86 * Functions provided to machine-independent PCI code. 87 */ 88 #define pci_attach_hook(p, s, pba) \ 89 (*(pba)->pba_pc->pc_attach_hook)((p), (s), (pba)) 90 #define pci_bus_maxdevs(c, b) \ 91 (*(c)->pc_bus_maxdevs)((c)->pc_conf_v, (b)) 92 #define pci_make_tag(c, b, d, f) \ 93 (*(c)->pc_make_tag)((c)->pc_conf_v, (b), (d), (f)) 94 #define pci_decompose_tag(c, t, bp, dp, fp) \ 95 (*(c)->pc_decompose_tag)((c)->pc_conf_v, (t), (bp), (dp), (fp)) 96 #define pci_conf_read(c, t, r) \ 97 (*(c)->pc_conf_read)((c)->pc_conf_v, (t), (r)) 98 #define pci_conf_write(c, t, r, v) \ 99 (*(c)->pc_conf_write)((c)->pc_conf_v, (t), (r), (v)) 100 #define pci_intr_map(pa, ihp) \ 101 (*(pa)->pa_pc->pc_intr_map)((pa), (ihp)) 102 #define pci_intr_string(c, ih, buf, len) \ 103 (*(c)->pc_intr_string)((c)->pc_intr_v, (ih), (buf), (len)) 104 #define pci_intr_evcnt(c, ih) \ 105 (*(c)->pc_intr_evcnt)((c)->pc_intr_v, (ih)) 106 #define pci_intr_establish(c, ih, l, h, a) \ 107 (*(c)->pc_intr_establish)((c)->pc_intr_v, (ih), (l), (h), (a)) 108 #define pci_intr_disestablish(c, iv) \ 109 (*(c)->pc_intr_disestablish)((c)->pc_intr_v, (iv)) 110 #define pci_conf_interrupt(c, b, d, p, s, lp) \ 111 (*(c)->pc_conf_interrupt)((c)->pc_intr_v, (b), (d), (p), (s), (lp)) 112 113 /* 114 * mips-specific PCI functions. 115 * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE. 116 */ 117 #ifdef __HAVE_PCIIDE_MACHDEP_COMPAT_INTR_ESTABLISH 118 #define mips_pciide_compat_intr_establish(c, d, p, ch, f, a) \ 119 ((c)->pc_pciide_compat_intr_establish == NULL ? NULL : \ 120 (*(c)->pc_pciide_compat_intr_establish)((c)->pc_conf_v, (d), (p), \ 121 (ch), (f), (a))) 122 #endif 123 124 #endif /* _MIPS_INCLUDE_PCI_MACHDEP_H_ */ 125