1 /* $NetBSD: pci_machdep.h,v 1.9 2002/05/15 19:23:55 thorpej 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 /* 31 * Machine-specific definitions for PCI autoconfiguration. 32 */ 33 34 #define __HAVE_PCI_CONF_HOOK 35 36 /* 37 * Types provided to machine-independent PCI code 38 */ 39 typedef struct prep_pci_chipset *pci_chipset_tag_t; 40 typedef int pcitag_t; 41 typedef int pci_intr_handle_t; 42 43 /* 44 * Forward declarations. 45 */ 46 struct pci_attach_args; 47 48 /* 49 * prep-specific PCI structure and type definitions. 50 * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE. 51 */ 52 struct prep_pci_chipset { 53 void *pc_conf_v; 54 void (*pc_attach_hook)(struct device *, 55 struct device *, struct pcibus_attach_args *); 56 int (*pc_bus_maxdevs)(void *, int); 57 pcitag_t (*pc_make_tag)(void *, int, int, int); 58 pcireg_t (*pc_conf_read)(void *, pcitag_t, int); 59 void (*pc_conf_write)(void *, pcitag_t, int, pcireg_t); 60 61 void *pc_intr_v; 62 int (*pc_intr_map)(struct pci_attach_args *, 63 pci_intr_handle_t *); 64 const char *(*pc_intr_string)(void *, pci_intr_handle_t); 65 const struct evcnt *(*pc_intr_evcnt)(void *, pci_intr_handle_t); 66 void *(*pc_intr_establish)(void *, pci_intr_handle_t, 67 int, int (*)(void *), void *); 68 void (*pc_intr_disestablish)(void *, void *); 69 void (*pc_conf_interrupt)(void *, int, int, int, int, int *); 70 void (*pc_decompose_tag)(void *, pcitag_t, int *, 71 int *, int *); 72 int (*pc_conf_hook)(void *, int, int, int, pcireg_t); 73 }; 74 75 /* 76 * Functions provided to machine-independent PCI code. 77 */ 78 #define pci_attach_hook(p, s, pba) \ 79 (*(pba)->pba_pc->pc_attach_hook)((p), (s), (pba)) 80 #define pci_bus_maxdevs(c, b) \ 81 (*(c)->pc_bus_maxdevs)((c)->pc_conf_v, (b)) 82 #define pci_make_tag(c, b, d, f) \ 83 (*(c)->pc_make_tag)((c)->pc_conf_v, (b), (d), (f)) 84 #define pci_conf_read(c, t, r) \ 85 (*(c)->pc_conf_read)((c)->pc_conf_v, (t), (r)) 86 #define pci_conf_write(c, t, r, v) \ 87 (*(c)->pc_conf_write)((c)->pc_conf_v, (t), (r), (v)) 88 #define pci_intr_map(pa, ihp) \ 89 (*(pa)->pa_pc->pc_intr_map)((pa), (ihp)) 90 #define pci_intr_string(c, ih) \ 91 (*(c)->pc_intr_string)((c)->pc_intr_v, (ih)) 92 #define pci_intr_evcnt(c, ih) \ 93 (*(c)->pc_intr_evcnt)((c)->pc_intr_v, (ih)) 94 #define pci_intr_establish(c, ih, l, h, a) \ 95 (*(c)->pc_intr_establish)((c)->pc_intr_v, (ih), (l), (h), (a)) 96 #define pci_intr_disestablish(c, iv) \ 97 (*(c)->pc_intr_disestablish)((c)->pc_intr_v, (iv)) 98 #define pci_conf_interrupt(c, b, d, p, s, ip) \ 99 (*(c)->pc_conf_interrupt)((c)->pc_conf_v, (b), (d), (p), (s), (ip)) 100 #define pci_decompose_tag(c, t, bp, dp, fp) \ 101 (*(c)->pc_decompose_tag)((c)->pc_conf_v, (t), (bp), (dp), (fp)) 102 #define pci_conf_hook(c, b, d, f, i) \ 103 (*(c)->pc_conf_hook)((c)->pc_conf_v, (b), (d), (f), (i)) 104 105 #define pci_enumerate_bus(sc, m, p) \ 106 pci_enumerate_bus_generic((sc), (m), (p)) 107 108 #ifdef _KERNEL 109 /* 110 * prep-specific PCI functions. 111 * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE. 112 */ 113 int prep_pci_bus_maxdevs(void *, int); 114 int prep_pci_intr_map(struct pci_attach_args *, pci_intr_handle_t *); 115 const char *prep_pci_intr_string(void *, pci_intr_handle_t); 116 const struct evcnt *prep_pci_intr_evcnt(void *, pci_intr_handle_t); 117 void *prep_pci_intr_establish(void *, pci_intr_handle_t, int, int (*)(void *), 118 void *); 119 void prep_pci_intr_disestablish(void *, void *); 120 void prep_pci_conf_interrupt(void *, int, int, int, int, int *); 121 int prep_pci_conf_hook(void *, int, int, int, pcireg_t); 122 123 void prep_pci_get_chipset_tag_direct(pci_chipset_tag_t); 124 void prep_pci_get_chipset_tag_indirect(pci_chipset_tag_t); 125 126 /* 127 * prep-specific PCI data. 128 * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE. 129 */ 130 extern struct powerpc_bus_dma_tag pci_bus_dma_tag; 131 #endif 132