pci_machdep.h revision 1.2
1 /* $NetBSD: pci_machdep.h,v 1.2 2007/10/17 19:56:41 garbled 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 /* 58 * Forward declarations. 59 */ 60 struct pci_attach_args; 61 62 /* Per bus information structure */ 63 struct genppc_pci_chipset_businfo { 64 SIMPLEQ_ENTRY(genppc_pci_chipset_businfo) next; 65 prop_dictionary_t pbi_properties; /* chipset properties */ 66 }; 67 68 /* 69 * Generic PPC PCI structure and type definitions. 70 * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE. 71 */ 72 struct genppc_pci_chipset { 73 void *pc_conf_v; 74 void (*pc_attach_hook)(struct device *, 75 struct device *, struct pcibus_attach_args *); 76 int (*pc_bus_maxdevs)(pci_chipset_tag_t, int); 77 pcitag_t (*pc_make_tag)(void *, int, int, int); 78 pcireg_t (*pc_conf_read)(void *, pcitag_t, int); 79 void (*pc_conf_write)(void *, pcitag_t, int, pcireg_t); 80 81 void *pc_intr_v; 82 int (*pc_intr_map)(struct pci_attach_args *, 83 pci_intr_handle_t *); 84 const char *(*pc_intr_string)(void *, pci_intr_handle_t); 85 const struct evcnt *(*pc_intr_evcnt)(void *, pci_intr_handle_t); 86 void *(*pc_intr_establish)(void *, pci_intr_handle_t, 87 int, int (*)(void *), void *); 88 void (*pc_intr_disestablish)(void *, void *); 89 void (*pc_conf_interrupt)(pci_chipset_tag_t, int, int, int, 90 int, int *); 91 void (*pc_decompose_tag)(void *, pcitag_t, int *, 92 int *, int *); 93 int (*pc_conf_hook)(pci_chipset_tag_t, int, int, int, 94 pcireg_t); 95 96 u_int32_t *pc_addr; 97 u_int32_t *pc_data; 98 int pc_node; 99 int pc_bus; 100 bus_space_tag_t pc_memt; 101 bus_space_tag_t pc_iot; 102 103 SIMPLEQ_HEAD(, genppc_pci_chipset_businfo) pc_pbi; 104 }; 105 106 /* 107 * Functions provided to machine-independent PCI code. 108 */ 109 #define pci_attach_hook(p, s, pba) \ 110 (*(pba)->pba_pc->pc_attach_hook)((p), (s), (pba)) 111 #define pci_bus_maxdevs(c, b) \ 112 (*(c)->pc_bus_maxdevs)((c)->pc_conf_v, (b)) 113 #define pci_make_tag(c, b, d, f) \ 114 (*(c)->pc_make_tag)((c)->pc_conf_v, (b), (d), (f)) 115 #define pci_conf_read(c, t, r) \ 116 (*(c)->pc_conf_read)((c)->pc_conf_v, (t), (r)) 117 #define pci_conf_write(c, t, r, v) \ 118 (*(c)->pc_conf_write)((c)->pc_conf_v, (t), (r), (v)) 119 #define pci_intr_map(pa, ihp) \ 120 (*(pa)->pa_pc->pc_intr_map)((pa), (ihp)) 121 #define pci_intr_string(c, ih) \ 122 (*(c)->pc_intr_string)((c)->pc_intr_v, (ih)) 123 #define pci_intr_evcnt(c, ih) \ 124 (*(c)->pc_intr_evcnt)((c)->pc_intr_v, (ih)) 125 #define pci_intr_establish(c, ih, l, h, a) \ 126 (*(c)->pc_intr_establish)((c)->pc_intr_v, (ih), (l), (h), (a)) 127 #define pci_intr_disestablish(c, iv) \ 128 (*(c)->pc_intr_disestablish)((c)->pc_intr_v, (iv)) 129 #define pci_conf_interrupt(c, b, d, p, s, ip) \ 130 (*(c)->pc_conf_interrupt)((c)->pc_conf_v, (b), (d), (p), (s), (ip)) 131 #define pci_decompose_tag(c, t, bp, dp, fp) \ 132 (*(c)->pc_decompose_tag)((c)->pc_conf_v, (t), (bp), (dp), (fp)) 133 #define pci_conf_hook(c, b, d, f, i) \ 134 (*(c)->pc_conf_hook)((c)->pc_conf_v, (b), (d), (f), (i)) 135 136 #ifdef _KERNEL 137 138 /* 139 * Generic PowerPC PCI functions. Override if necc. 140 */ 141 142 int genppc_pci_bus_maxdevs(pci_chipset_tag_t, int); 143 const char *genppc_pci_intr_string(void *, pci_intr_handle_t); 144 const struct evcnt *genppc_pci_intr_evcnt(void *, pci_intr_handle_t); 145 void *genppc_pci_intr_establish(void *, pci_intr_handle_t, int, int (*)(void *), 146 void *); 147 void genppc_pci_intr_disestablish(void *, void *); 148 void genppc_pci_conf_interrupt(pci_chipset_tag_t, int, int, int, int, int *); 149 int genppc_pci_conf_hook(pci_chipset_tag_t, int, int, int, pcireg_t); 150 int genppc_pci_intr_map(struct pci_attach_args *pa, pci_intr_handle_t *ihp); 151 152 /* generic indirect PCI functions */ 153 void genppc_pci_indirect_attach_hook(struct device *, struct device *, 154 struct pcibus_attach_args *); 155 pcitag_t genppc_pci_indirect_make_tag(void *, int, int, int); 156 pcireg_t genppc_pci_indirect_conf_read(void *, pcitag_t, int); 157 void genppc_pci_indirect_conf_write(void *, pcitag_t, int, pcireg_t); 158 void genppc_pci_indirect_decompose_tag(void *, pcitag_t, int *, int *, int *); 159 160 /* XXX for now macppc needs its own pci_bus_dma_tag */ 161 #ifndef macppc 162 extern struct powerpc_bus_dma_tag pci_bus_dma_tag; 163 #endif 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(struct genppc_pci_chipset_businfo *, int); 171 int genofw_find_node_by_devfunc(int, int, int, int); 172 int genofw_pci_intr_map(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 4 181 182 typedef struct _ofw_pic_node_t { 183 int node; 184 int parent; 185 int16_t cells; 186 int16_t intrs; 187 int16_t offset; 188 int16_t type; 189 } ofw_pic_node_t; 190 191 #endif /* _KERNEL */ 192 193 #endif /* _PCI_MACHDEP_H_ */ 194
Indexes created Thu Sep 25 16:09:42 GMT 2025