pci_machdep.h revision 1.10
1 /* $NetBSD: pci_machdep.h,v 1.10 2011/04/04 20:37:52 dyoung Exp $ */ 2 3 /*- 4 * Copyright (c) 2002,2007 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Klaus Klein and Tim Rightnour 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef _PCI_MACHDEP_H_ 33 #define _PCI_MACHDEP_H_ 34 35 #include <prop/proplib.h> 36 37 /* 38 * Machine-specific definitions for PCI autoconfiguration. 39 */ 40 41 #define __HAVE_PCI_CONF_HOOK 42 43 /* 44 * Types provided to machine-independent PCI code 45 */ 46 typedef struct genppc_pci_chipset *pci_chipset_tag_t; 47 typedef int pcitag_t; 48 typedef int pci_intr_handle_t; 49 50 extern struct powerpc_bus_dma_tag pci_bus_dma_tag; 51 52 /* 53 * Forward declarations. 54 */ 55 struct pci_attach_args; 56 57 /* Per bus information structure */ 58 struct genppc_pci_chipset_businfo { 59 SIMPLEQ_ENTRY(genppc_pci_chipset_businfo) next; 60 prop_dictionary_t pbi_properties; /* chipset properties */ 61 }; 62 63 /* 64 * Generic PPC PCI structure and type definitions. 65 * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE. 66 */ 67 struct genppc_pci_chipset { 68 void *pc_conf_v; 69 void (*pc_attach_hook)(device_t, device_t, 70 struct pcibus_attach_args *); 71 int (*pc_bus_maxdevs)(void *, int); 72 pcitag_t (*pc_make_tag)(void *, int, int, int); 73 pcireg_t (*pc_conf_read)(void *, pcitag_t, int); 74 void (*pc_conf_write)(void *, pcitag_t, int, pcireg_t); 75 76 void *pc_intr_v; 77 int (*pc_intr_map)(const struct pci_attach_args *, 78 pci_intr_handle_t *); 79 const char *(*pc_intr_string)(void *, pci_intr_handle_t); 80 const struct evcnt *(*pc_intr_evcnt)(void *, pci_intr_handle_t); 81 void *(*pc_intr_establish)(void *, pci_intr_handle_t, 82 int, int (*)(void *), void *); 83 void (*pc_intr_disestablish)(void *, void *); 84 void (*pc_conf_interrupt)(pci_chipset_tag_t, int, int, int, 85 int, int *); 86 void (*pc_decompose_tag)(void *, pcitag_t, int *, 87 int *, int *); 88 int (*pc_conf_hook)(pci_chipset_tag_t, int, int, int, 89 pcireg_t); 90 91 u_int32_t *pc_addr; 92 u_int32_t *pc_data; 93 int pc_node; 94 int pc_ihandle; 95 int pc_bus; 96 bus_space_tag_t pc_memt; 97 bus_space_tag_t pc_iot; 98 99 SIMPLEQ_HEAD(, genppc_pci_chipset_businfo) pc_pbi; 100 }; 101 102 /* 103 * Functions provided to machine-independent PCI code. 104 */ 105 #define pci_attach_hook(p, s, pba) \ 106 (*(pba)->pba_pc->pc_attach_hook)((p), (s), (pba)) 107 #define pci_bus_maxdevs(c, b) \ 108 (*(c)->pc_bus_maxdevs)((c)->pc_conf_v, (b)) 109 #define pci_make_tag(c, b, d, f) \ 110 (*(c)->pc_make_tag)((c)->pc_conf_v, (b), (d), (f)) 111 #define pci_conf_read(c, t, r) \ 112 (*(c)->pc_conf_read)((c)->pc_conf_v, (t), (r)) 113 #define pci_conf_write(c, t, r, v) \ 114 (*(c)->pc_conf_write)((c)->pc_conf_v, (t), (r), (v)) 115 #define pci_intr_map(pa, ihp) \ 116 (*(pa)->pa_pc->pc_intr_map)((pa), (ihp)) 117 #define pci_intr_string(c, ih) \ 118 (*(c)->pc_intr_string)((c)->pc_intr_v, (ih)) 119 #define pci_intr_evcnt(c, ih) \ 120 (*(c)->pc_intr_evcnt)((c)->pc_intr_v, (ih)) 121 #define pci_intr_establish(c, ih, l, h, a) \ 122 (*(c)->pc_intr_establish)((c)->pc_intr_v, (ih), (l), (h), (a)) 123 #define pci_intr_disestablish(c, iv) \ 124 (*(c)->pc_intr_disestablish)((c)->pc_intr_v, (iv)) 125 #define pci_conf_interrupt(c, b, d, p, s, ip) \ 126 (*(c)->pc_conf_interrupt)((c)->pc_conf_v, (b), (d), (p), (s), (ip)) 127 #define pci_decompose_tag(c, t, bp, dp, fp) \ 128 (*(c)->pc_decompose_tag)((c)->pc_conf_v, (t), (bp), (dp), (fp)) 129 #define pci_conf_hook(c, b, d, f, i) \ 130 (*(c)->pc_conf_hook)((c)->pc_conf_v, (b), (d), (f), (i)) 131 132 #ifdef _KERNEL 133 134 /* 135 * Generic PowerPC PCI functions. Override if necc. 136 */ 137 138 int genppc_pci_bus_maxdevs(void *, int); 139 const char *genppc_pci_intr_string(void *, pci_intr_handle_t); 140 const struct evcnt *genppc_pci_intr_evcnt(void *, pci_intr_handle_t); 141 void *genppc_pci_intr_establish(void *, pci_intr_handle_t, int, int (*)(void *), 142 void *); 143 void genppc_pci_intr_disestablish(void *, void *); 144 void genppc_pci_conf_interrupt(pci_chipset_tag_t, int, int, int, int, int *); 145 int genppc_pci_conf_hook(pci_chipset_tag_t, int, int, int, pcireg_t); 146 int genppc_pci_intr_map(const struct pci_attach_args *pa, 147 pci_intr_handle_t *ihp); 148 149 /* generic indirect PCI functions */ 150 void genppc_pci_indirect_attach_hook(device_t, device_t, 151 struct pcibus_attach_args *); 152 pcitag_t genppc_pci_indirect_make_tag(void *, int, int, int); 153 pcireg_t genppc_pci_indirect_conf_read(void *, pcitag_t, int); 154 void genppc_pci_indirect_conf_write(void *, pcitag_t, int, pcireg_t); 155 void genppc_pci_indirect_decompose_tag(void *, pcitag_t, int *, int *, int *); 156 157 /* generic OFW method PCI functions */ 158 void genppc_pci_ofmethod_attach_hook(device_t, device_t, 159 struct pcibus_attach_args *); 160 pcitag_t genppc_pci_ofmethod_make_tag(void *, int, int, int); 161 pcireg_t genppc_pci_ofmethod_conf_read(void *, pcitag_t, int); 162 void genppc_pci_ofmethod_conf_write(void *, pcitag_t, int, pcireg_t); 163 void genppc_pci_ofmethod_decompose_tag(void *, pcitag_t, int *, int *, int *); 164 165 /* Generic OFW PCI functions */ 166 167 int genofw_find_picnode(int); 168 void genofw_find_ofpics(int); 169 void genofw_fixup_picnode_offsets(void); 170 void genofw_setup_pciintr_map(void *, struct genppc_pci_chipset_businfo *, int); 171 int genofw_find_node_by_devfunc(int, int, int, int); 172 int genofw_pci_intr_map(const struct pci_attach_args *, pci_intr_handle_t *); 173 int genofw_pci_conf_hook(pci_chipset_tag_t, int, int, int, pcireg_t); 174 175 176 /* OFW PCI structures and defines */ 177 #define PICNODE_TYPE_OPENPIC 1 178 #define PICNODE_TYPE_8259 2 179 #define PICNODE_TYPE_HEATHROW 3 180 #define PICNODE_TYPE_OHARE 4 181 #define PICNODE_TYPE_IVR 5 182 183 typedef struct _ofw_pic_node_t { 184 int node; 185 int parent; 186 int16_t cells; 187 int16_t intrs; 188 int16_t offset; 189 int16_t type; 190 } ofw_pic_node_t; 191 192 #endif /* _KERNEL */ 193 194 #endif /* _PCI_MACHDEP_H_ */ 195
Indexes created Thu Sep 25 16:09:42 GMT 2025