1 /* $OpenBSD: pci_machdep.h,v 1.22 2009/08/22 02:54:50 mk Exp $ */ 2 /* $NetBSD: pci_machdep.h,v 1.6 1996/11/19 04:49:21 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 * Types provided to machine-independent PCI code 37 */ 38 typedef struct alpha_pci_chipset *pci_chipset_tag_t; 39 typedef u_long pcitag_t; 40 typedef u_long pci_intr_handle_t; 41 42 /* 43 * Forward declarations. 44 */ 45 struct pci_attach_args; 46 47 /* 48 * alpha-specific PCI structure and type definitions. 49 * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE. 50 */ 51 struct alpha_pci_chipset { 52 void *pc_conf_v; 53 void (*pc_attach_hook)(struct device *, 54 struct device *, struct pcibus_attach_args *); 55 int (*pc_bus_maxdevs)(void *, int); 56 pcitag_t (*pc_make_tag)(void *, int, int, int); 57 void (*pc_decompose_tag)(void *, pcitag_t, int *, 58 int *, int *); 59 pcireg_t (*pc_conf_read)(void *, pcitag_t, int); 60 void (*pc_conf_write)(void *, pcitag_t, int, pcireg_t); 61 62 void *pc_intr_v; 63 int (*pc_intr_map)(struct pci_attach_args *, 64 pci_intr_handle_t *); 65 const char *(*pc_intr_string)(void *, pci_intr_handle_t); 66 int (*pc_intr_line)(void *, pci_intr_handle_t); 67 void *(*pc_intr_establish)(void *, pci_intr_handle_t, 68 int, int (*)(void *), void *, const char *); 69 void (*pc_intr_disestablish)(void *, void *); 70 71 /* alpha-specific */ 72 void *(*pc_pciide_compat_intr_establish)(void *, 73 struct device *, struct pci_attach_args *, int, 74 int (*)(void *), void *); 75 void (*pc_pciide_compat_intr_disestablish)(void *, 76 void *); 77 char *pc_name; /* PCI chipset name */ 78 vaddr_t pc_mem; /* PCI memory address */ 79 vaddr_t pc_dense; /* PCI dense memory address */ 80 vaddr_t pc_ports; /* PCI port address */ 81 long pc_hae_mask; /* PCI chipset mask for HAE register */ 82 int pc_bwx; /* chipset supports BWX */ 83 }; 84 85 extern struct alpha_pci_chipset *alpha_pci_chipset; 86 int alpha_sysctl_chipset(int *, u_int, char *, size_t *); 87 88 /* 89 * Functions provided to machine-independent PCI code. 90 */ 91 #define pci_attach_hook(p, s, pba) \ 92 (*(pba)->pba_pc->pc_attach_hook)((p), (s), (pba)) 93 #define pci_bus_maxdevs(c, b) \ 94 (*(c)->pc_bus_maxdevs)((c)->pc_conf_v, (b)) 95 #define pci_make_tag(c, b, d, f) \ 96 (*(c)->pc_make_tag)((c)->pc_conf_v, (b), (d), (f)) 97 #define pci_decompose_tag(c, t, bp, dp, fp) \ 98 (*(c)->pc_decompose_tag)((c)->pc_conf_v, (t), (bp), (dp), (fp)) 99 #define pci_conf_read(c, t, r) \ 100 (*(c)->pc_conf_read)((c)->pc_conf_v, (t), (r)) 101 #define pci_conf_write(c, t, r, v) \ 102 (*(c)->pc_conf_write)((c)->pc_conf_v, (t), (r), (v)) 103 #define pci_intr_map(pa, ihp) \ 104 (*((pa)->pa_pc)->pc_intr_map)((pa), (ihp)) 105 #define pci_intr_string(c, ih) \ 106 (*(c)->pc_intr_string)((c)->pc_intr_v, (ih)) 107 #define pci_intr_line(c, ih) \ 108 (*(c)->pc_intr_line)((c)->pc_intr_v, (ih)) 109 #define pci_intr_establish(c, ih, l, h, a, nm) \ 110 (*(c)->pc_intr_establish)((c)->pc_intr_v, (ih), (l), (h), (a), (nm)) 111 #define pci_intr_disestablish(c, iv) \ 112 (*(c)->pc_intr_disestablish)((c)->pc_intr_v, (iv)) 113 114 /* 115 * alpha-specific PCI functions. 116 * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE. 117 */ 118 void pci_display_console(bus_space_tag_t, bus_space_tag_t, 119 pci_chipset_tag_t, int, int, int); 120 #define alpha_pciide_compat_intr_establish(c, d, p, ch, f, a) \ 121 ((c)->pc_pciide_compat_intr_establish == NULL ? NULL : \ 122 (*(c)->pc_pciide_compat_intr_establish)((c)->pc_conf_v, (d), (p), \ 123 (ch), (f), (a))) 124 125 #define alpha_pciide_compat_intr_disestablish(c, cookie) \ 126 do { if ((c)->pc_pciide_compat_intr_disestablish != NULL) \ 127 ((c)->pc_pciide_compat_intr_disestablish)((c)->pc_conf_v, \ 128 (cookie)); } while (0) 129 130 #ifdef _KERNEL 131 void pci_display_console(bus_space_tag_t, bus_space_tag_t, pci_chipset_tag_t, int, int, int); 132 #endif /* _KERNEL */ 133