1 /* $NetBSD: pci_machdep.h,v 1.7 2001/07/20 00:07:14 eeh Exp $ */ 2 3 /* 4 * Copyright (c) 1999 Matthew R. Green 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 23 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 25 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 */ 30 31 #ifndef _MACHINE_PCI_MACHDEP_H_ 32 #define _MACHINE_PCI_MACHDEP_H_ 33 34 /* 35 * We want to contro both device & function probe order. 36 */ 37 #define __PCI_BUS_DEVORDER 38 #define __PCI_DEV_FUNCORDER 39 40 /* 41 * Forward declarations. 42 */ 43 struct pci_attach_args; 44 45 /* 46 * define some bits used to glue into the common PCI code. 47 */ 48 49 typedef struct sparc_pci_chipset *pci_chipset_tag_t; 50 typedef u_int pci_intr_handle_t; 51 52 struct sparc_pci_chipset { 53 void *cookie; /* psycho_pbm, but sssh! */ 54 int rootnode; /* PCI controller */ 55 int curnode; /* Current OFW node */ 56 }; 57 58 /* 59 * The stuuuuuuupid allegedly MI PCI code expects pcitag_t to be a 60 * scalar type. But we really need to store both the OFW node and 61 * the bus/device/function info in it. (We'd like to store more, 62 * like all the ofw properties, but we don't need to.) Luckily, 63 * both are 32-bit values, so we can squeeze them into a u_int64_t 64 * with a little help from some macros. 65 */ 66 67 #define PCITAG_NODE(x) (int)(((x)>>32)&0xffffffff) 68 #define PCITAG_OFFSET(x) ((x)&0xffffffff) 69 #define PCITAG_CREATE(n,b,d,f) (((u_int64_t)(n)<<32)|((b)<<16)|((d)<<11)|((f)<<8)) 70 #define PCITAG_SETNODE(t,n) ((x)&0xffffffff)|(((n)<<32) 71 typedef u_int64_t pcitag_t; 72 73 74 void pci_attach_hook(struct device *, struct device *, 75 struct pcibus_attach_args *); 76 #ifdef __PCI_BUS_DEVORDER 77 int pci_bus_devorder(pci_chipset_tag_t, int, char *); 78 #endif 79 #ifdef __PCI_DEV_FUNCORDER 80 int pci_dev_funcorder(pci_chipset_tag_t, int, int, char *); 81 #endif 82 int pci_bus_maxdevs(pci_chipset_tag_t, int); 83 pcitag_t pci_make_tag(pci_chipset_tag_t, int, int, int); 84 pcireg_t pci_conf_read(pci_chipset_tag_t, pcitag_t, int); 85 void pci_conf_write(pci_chipset_tag_t, pcitag_t, int, 86 pcireg_t); 87 int pci_intr_map(struct pci_attach_args *, pci_intr_handle_t *); 88 const char *pci_intr_string(pci_chipset_tag_t, pci_intr_handle_t); 89 const struct evcnt *pci_intr_evcnt(pci_chipset_tag_t, pci_intr_handle_t); 90 void *pci_intr_establish(pci_chipset_tag_t, pci_intr_handle_t, 91 int, int (*)(void *), void *); 92 void pci_intr_disestablish(pci_chipset_tag_t, void *); 93 94 #endif /* _MACHINE_PCI_MACHDEP_H_ */ 95