1 /* $NetBSD: pci_machdep.h,v 1.13 2006/06/09 01:19:10 garbled 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 #include <prop/proplib.h> 31 32 /* 33 * Machine-specific definitions for PCI autoconfiguration. 34 */ 35 36 #define __HAVE_PCI_CONF_HOOK 37 38 /* 39 * Types provided to machine-independent PCI code 40 */ 41 typedef struct prep_pci_chipset *pci_chipset_tag_t; 42 typedef int pcitag_t; 43 typedef int pci_intr_handle_t; 44 45 /* 46 * Forward declarations. 47 */ 48 struct pci_attach_args; 49 50 /* Per bus information structure */ 51 struct prep_pci_chipset_businfo { 52 SIMPLEQ_ENTRY(prep_pci_chipset_businfo) next; 53 prop_dictionary_t pbi_properties; /* chipset properties */ 54 }; 55 56 /* 57 * prep-specific PCI structure and type definitions. 58 * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE. 59 */ 60 struct prep_pci_chipset { 61 void *pc_conf_v; 62 void (*pc_attach_hook)(struct device *, 63 struct device *, struct pcibus_attach_args *); 64 int (*pc_bus_maxdevs)(pci_chipset_tag_t, int); 65 pcitag_t (*pc_make_tag)(void *, int, int, int); 66 pcireg_t (*pc_conf_read)(void *, pcitag_t, int); 67 void (*pc_conf_write)(void *, pcitag_t, int, pcireg_t); 68 69 void *pc_intr_v; 70 int (*pc_intr_map)(struct pci_attach_args *, 71 pci_intr_handle_t *); 72 const char *(*pc_intr_string)(void *, pci_intr_handle_t); 73 const struct evcnt *(*pc_intr_evcnt)(void *, pci_intr_handle_t); 74 void *(*pc_intr_establish)(void *, pci_intr_handle_t, 75 int, int (*)(void *), void *); 76 void (*pc_intr_disestablish)(void *, void *); 77 void (*pc_conf_interrupt)(void *, int, int, int, int, int *); 78 void (*pc_decompose_tag)(void *, pcitag_t, int *, 79 int *, int *); 80 int (*pc_conf_hook)(pci_chipset_tag_t, int, int, int, 81 pcireg_t); 82 SIMPLEQ_HEAD(, prep_pci_chipset_businfo) pc_pbi; 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_conf_read(c, t, r) \ 95 (*(c)->pc_conf_read)((c)->pc_conf_v, (t), (r)) 96 #define pci_conf_write(c, t, r, v) \ 97 (*(c)->pc_conf_write)((c)->pc_conf_v, (t), (r), (v)) 98 #define pci_intr_map(pa, ihp) \ 99 (*(pa)->pa_pc->pc_intr_map)((pa), (ihp)) 100 #define pci_intr_string(c, ih) \ 101 (*(c)->pc_intr_string)((c)->pc_intr_v, (ih)) 102 #define pci_intr_evcnt(c, ih) \ 103 (*(c)->pc_intr_evcnt)((c)->pc_intr_v, (ih)) 104 #define pci_intr_establish(c, ih, l, h, a) \ 105 (*(c)->pc_intr_establish)((c)->pc_intr_v, (ih), (l), (h), (a)) 106 #define pci_intr_disestablish(c, iv) \ 107 (*(c)->pc_intr_disestablish)((c)->pc_intr_v, (iv)) 108 #define pci_conf_interrupt(c, b, d, p, s, ip) \ 109 (*(c)->pc_conf_interrupt)((c)->pc_conf_v, (b), (d), (p), (s), (ip)) 110 #define pci_decompose_tag(c, t, bp, dp, fp) \ 111 (*(c)->pc_decompose_tag)((c)->pc_conf_v, (t), (bp), (dp), (fp)) 112 #define pci_conf_hook(c, b, d, f, i) \ 113 (*(c)->pc_conf_hook)((c)->pc_conf_v, (b), (d), (f), (i)) 114 115 #ifdef _KERNEL 116 /* 117 * prep-specific PCI functions. 118 * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE. 119 */ 120 int prep_pci_bus_maxdevs(pci_chipset_tag_t, int); 121 int prep_pci_intr_map(struct pci_attach_args *, pci_intr_handle_t *); 122 const char *prep_pci_intr_string(void *, pci_intr_handle_t); 123 const struct evcnt *prep_pci_intr_evcnt(void *, pci_intr_handle_t); 124 void *prep_pci_intr_establish(void *, pci_intr_handle_t, int, int (*)(void *), 125 void *); 126 void prep_pci_intr_disestablish(void *, void *); 127 void prep_pci_conf_interrupt(void *, int, int, int, int, int *); 128 int prep_pci_conf_hook(pci_chipset_tag_t, int, int, int, pcireg_t); 129 130 void prep_pci_get_chipset_tag_direct(pci_chipset_tag_t); 131 void prep_pci_get_chipset_tag_indirect(pci_chipset_tag_t); 132 void prep_pci_get_chipset_tag(pci_chipset_tag_t pc); 133 134 /* 135 * prep-specific PCI data. 136 * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE. 137 */ 138 extern struct powerpc_bus_dma_tag pci_bus_dma_tag; 139 #endif 140