pci_machdep.h revision 1.6
1 /* $NetBSD: pci_machdep.h,v 1.6 2007/12/26 00:58:05 mrg 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 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #ifndef _PCI_MACHDEP_H_ 40 #define _PCI_MACHDEP_H_ 41 42 #include <prop/proplib.h> 43 44 /* 45 * Machine-specific definitions for PCI autoconfiguration. 46 */ 47 48 #define __HAVE_PCI_CONF_HOOK 49 50 /* 51 * Types provided to machine-independent PCI code 52 */ 53 typedef struct genppc_pci_chipset *pci_chipset_tag_t; 54 typedef int pcitag_t; 55 typedef int pci_intr_handle_t; 56 57 extern struct powerpc_bus_dma_tag pci_bus_dma_tag; 58 59 /* 60 * Forward declarations. 61 */ 62 struct pci_attach_args; 63 64 /* Per bus information structure */ 65 struct genppc_pci_chipset_businfo { 66 SIMPLEQ_ENTRY(genppc_pci_chipset_businfo) next; 67 prop_dictionary_t pbi_properties; /* chipset properties */ 68 }; 69 70 /* 71 * Generic PPC PCI structure and type definitions. 72 * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE. 73 */ 74 struct genppc_pci_chipset { 75 void *pc_conf_v; 76 void (*pc_attach_hook)(struct device *, 77 struct device *, struct pcibus_attach_args *); 78 int (*pc_bus_maxdevs)(pci_chipset_tag_t, int); 79 pcitag_t (*pc_make_tag)(void *, int, int, int); 80 pcireg_t (*pc_conf_read)(void *, pcitag_t, int); 81 void (*pc_conf_write)(void *, pcitag_t, int, pcireg_t); 82 83 void *pc_intr_v; 84 int (*pc_intr_map)(struct pci_attach_args *, 85 pci_intr_handle_t *); 86 const char *(*pc_intr_string)(void *, pci_intr_handle_t); 87 const struct evcnt *(*pc_intr_evcnt)(void *, pci_intr_handle_t); 88 void *(*pc_intr_establish)(void *, pci_intr_handle_t, 89 int, int (*)(void *), void *); 90 void (*pc_intr_disestablish)(void *, void *); 91 void (*pc_conf_interrupt)(pci_chipset_tag_t, int, int, int, 92 int, int *); 93 void (*pc_decompose_tag)(void *, pcitag_t, int *, 94 int *, int *); 95 int (*pc_conf_hook)(pci_chipset_tag_t, int, int, int, 96 pcireg_t); 97 98 u_int32_t *pc_addr; 99 u_int32_t *pc_data; 100 int pc_node; 101 int pc_ihandle; 102 int pc_bus; 103 bus_space_tag_t pc_memt; 104 bus_space_tag_t pc_iot; 105 106 SIMPLEQ_HEAD(, genppc_pci_chipset_businfo) pc_pbi; 107 }; 108 109 /* 110 * Functions provided to machine-independent PCI code. 111 */ 112 #define pci_attach_hook(p, s, pba) \ 113 (*(pba)->pba_pc->pc_attach_hook)((p), (s), (pba)) 114 #define pci_bus_maxdevs(c, b) \ 115 (*(c)->pc_bus_maxdevs)((c)->pc_conf_v, (b)) 116 #define pci_make_tag(c, b, d, f) \ 117 (*(c)->pc_make_tag)((c)->pc_conf_v, (b), (d), (f)) 118 #define pci_conf_read(c, t, r) \ 119 (*(c)->pc_conf_read)((c)->pc_conf_v, (t), (r)) 120 #define pci_conf_write(c, t, r, v) \ 121 (*(c)->pc_conf_write)((c)->pc_conf_v, (t), (r), (v)) 122 #define pci_intr_map(pa, ihp) \ 123 (*(pa)->pa_pc->pc_intr_map)((pa), (ihp)) 124 #define pci_intr_string(c, ih) \ 125 (*(c)->pc_intr_string)((c)->pc_intr_v, (ih)) 126 #define pci_intr_evcnt(c, ih) \ 127 (*(c)->pc_intr_evcnt)((c)->pc_intr_v, (ih)) 128 #define pci_intr_establish(c, ih, l, h, a) \ 129 (*(c)->pc_intr_establish)((c)->pc_intr_v, (ih), (l), (h), (a)) 130 #define pci_intr_disestablish(c, iv) \ 131 (*(c)->pc_intr_disestablish)((c)->pc_intr_v, (iv)) 132 #define pci_conf_interrupt(c, b, d, p, s, ip) \ 133 (*(c)->pc_conf_interrupt)((c)->pc_conf_v, (b), (d), (p), (s), (ip)) 134 #define pci_decompose_tag(c, t, bp, dp, fp) \ 135 (*(c)->pc_decompose_tag)((c)->pc_conf_v, (t), (bp), (dp), (fp)) 136 #define pci_conf_hook(c, b, d, f, i) \ 137 (*(c)->pc_conf_hook)((c)->pc_conf_v, (b), (d), (f), (i)) 138 139 #ifdef _KERNEL 140 141 /* 142 * Generic PowerPC PCI functions. Override if necc. 143 */ 144 145 int genppc_pci_bus_maxdevs(pci_chipset_tag_t, int); 146 const char *genppc_pci_intr_string(void *, pci_intr_handle_t); 147 const struct evcnt *genppc_pci_intr_evcnt(void *, pci_intr_handle_t); 148 void *genppc_pci_intr_establish(void *, pci_intr_handle_t, int, int (*)(void *), 149 void *); 150 void genppc_pci_intr_disestablish(void *, void *); 151 void genppc_pci_conf_interrupt(pci_chipset_tag_t, int, int, int, int, int *); 152 int genppc_pci_conf_hook(pci_chipset_tag_t, int, int, int, pcireg_t); 153 int genppc_pci_intr_map(struct pci_attach_args *pa, pci_intr_handle_t *ihp); 154 155 /* generic indirect PCI functions */ 156 void genppc_pci_indirect_attach_hook(struct device *, struct device *, 157 struct pcibus_attach_args *); 158 pcitag_t genppc_pci_indirect_make_tag(void *, int, int, int); 159 pcireg_t genppc_pci_indirect_conf_read(void *, pcitag_t, int); 160 void genppc_pci_indirect_conf_write(void *, pcitag_t, int, pcireg_t); 161 void genppc_pci_indirect_decompose_tag(void *, pcitag_t, int *, int *, int *); 162 163 /* generic OFW method PCI functions */ 164 void genppc_pci_ofmethod_attach_hook(struct device *, struct device *, 165 struct pcibus_attach_args *); 166 pcitag_t genppc_pci_ofmethod_make_tag(void *, int, int, int); 167 pcireg_t genppc_pci_ofmethod_conf_read(void *, pcitag_t, int); 168 void genppc_pci_ofmethod_conf_write(void *, pcitag_t, int, pcireg_t); 169 void genppc_pci_ofmethod_decompose_tag(void *, pcitag_t, int *, int *, int *); 170 171 /* Generic OFW PCI functions */ 172 173 int genofw_find_picnode(int); 174 void genofw_find_ofpics(int); 175 void genofw_fixup_picnode_offsets(void); 176 void genofw_setup_pciintr_map(void *, struct genppc_pci_chipset_businfo *, int); 177 int genofw_find_node_by_devfunc(int, int, int, int); 178 int genofw_pci_intr_map(struct pci_attach_args *, pci_intr_handle_t *); 179 int genofw_pci_conf_hook(pci_chipset_tag_t, int, int, int, pcireg_t); 180 181 182 /* OFW PCI structures and defines */ 183 #define PICNODE_TYPE_OPENPIC 1 184 #define PICNODE_TYPE_8259 2 185 #define PICNODE_TYPE_HEATHROW 3 186 #define PICNODE_TYPE_OHARE 4 187 188 typedef struct _ofw_pic_node_t { 189 int node; 190 int parent; 191 int16_t cells; 192 int16_t intrs; 193 int16_t offset; 194 int16_t type; 195 } ofw_pic_node_t; 196 197 #endif /* _KERNEL */ 198 199 #endif /* _PCI_MACHDEP_H_ */ 200
Indexes created Thu Sep 25 16:09:42 GMT 2025