1 1.12 msaitoh /* $NetBSD: pci_machdep.h,v 1.12 2016/07/07 06:55:38 msaitoh Exp $ */ 2 1.1 uwe 3 1.1 uwe /* 4 1.1 uwe * Copyright (c) 1999 Matthew R. Green 5 1.1 uwe * All rights reserved. 6 1.1 uwe * 7 1.1 uwe * Redistribution and use in source and binary forms, with or without 8 1.1 uwe * modification, are permitted provided that the following conditions 9 1.1 uwe * are met: 10 1.1 uwe * 1. Redistributions of source code must retain the above copyright 11 1.1 uwe * notice, this list of conditions and the following disclaimer. 12 1.1 uwe * 2. Redistributions in binary form must reproduce the above copyright 13 1.1 uwe * notice, this list of conditions and the following disclaimer in the 14 1.1 uwe * documentation and/or other materials provided with the distribution. 15 1.1 uwe * 16 1.1 uwe * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 1.1 uwe * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 1.1 uwe * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 1.1 uwe * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 1.1 uwe * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 1.1 uwe * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 22 1.1 uwe * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 1.1 uwe * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 1.1 uwe * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 1.1 uwe * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 1.1 uwe * SUCH DAMAGE. 27 1.1 uwe */ 28 1.1 uwe 29 1.1 uwe #ifndef _SPARC_PCI_MACHDEP_H_ 30 1.1 uwe #define _SPARC_PCI_MACHDEP_H_ 31 1.1 uwe 32 1.1 uwe /* 33 1.1 uwe * Machine-specific definitions for PCI autoconfiguration. 34 1.1 uwe */ 35 1.1 uwe 36 1.1 uwe /* 37 1.1 uwe * Types provided to machine-independent PCI code 38 1.1 uwe */ 39 1.1 uwe typedef struct sparc_pci_chipset *pci_chipset_tag_t; 40 1.1 uwe typedef u_int pci_intr_handle_t; 41 1.12 msaitoh typedef uint64_t pcitag_t; 42 1.1 uwe 43 1.1 uwe 44 1.1 uwe /* 45 1.1 uwe * Forward declarations. 46 1.1 uwe */ 47 1.1 uwe struct pci_attach_args; 48 1.1 uwe 49 1.1 uwe 50 1.1 uwe /* 51 1.1 uwe * sparc-specific PCI structure and type definitions. 52 1.1 uwe * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE. 53 1.1 uwe */ 54 1.1 uwe struct sparc_pci_chipset { 55 1.1 uwe void *cookie; /* msiiep_softc, but sssh! */ 56 1.1 uwe }; 57 1.1 uwe 58 1.10 jdc #define IS_PCI_BRIDGE(class) \ 59 1.10 jdc (((class >> 16) & 0xff) == PCI_CLASS_BRIDGE && \ 60 1.10 jdc ((class >> 8) & 0xff) == PCI_SUBCLASS_BRIDGE_PCI) 61 1.10 jdc 62 1.1 uwe /* 63 1.1 uwe * The MI PCI code expects pcitag_t to be a scalar type. But besides 64 1.1 uwe * the bus/device/function we need to store the OFW node as well. We 65 1.6 uwe * can squeeze them into a uint64_t with a little help from some 66 1.1 uwe * macros. And while we are at it mangle bus/device/function into a 67 1.1 uwe * form directly suitable for pci mode1 configuration address port. 68 1.1 uwe */ 69 1.1 uwe #define PCITAG_CREATE(n,b,d,f) \ 70 1.10 jdc (((uint64_t)(n)<<32)|0x80000000U|((b)<<16)|((d)<<11)|((f)<<8)|(b?1:0)) 71 1.1 uwe 72 1.6 uwe #define PCITAG_NODE(t) ((uint32_t)(((t)>>32)&0xffffffff)) 73 1.6 uwe #define PCITAG_OFFSET(t) ((uint32_t)((t)&0xffffffff)) 74 1.1 uwe #define PCITAG_BUS(t) ((PCITAG_OFFSET(t)>>16)&0xFF) 75 1.1 uwe #define PCITAG_DEV(t) ((PCITAG_OFFSET(t)>>11)&0x1F) 76 1.1 uwe #define PCITAG_FUN(t) ((PCITAG_OFFSET(t)>>8)&0x7) 77 1.1 uwe 78 1.1 uwe 79 1.1 uwe /* 80 1.1 uwe * Functions provided to machine-independent PCI code. 81 1.1 uwe */ 82 1.9 chs void pci_attach_hook(device_t, device_t, 83 1.1 uwe struct pcibus_attach_args *); 84 1.1 uwe int pci_bus_maxdevs(pci_chipset_tag_t, int); 85 1.1 uwe pcitag_t pci_make_tag(pci_chipset_tag_t, int, int, int); 86 1.1 uwe void pci_decompose_tag(pci_chipset_tag_t, pcitag_t, 87 1.1 uwe int *, int *, int *); 88 1.1 uwe pcireg_t pci_conf_read(pci_chipset_tag_t, pcitag_t, int); 89 1.1 uwe void pci_conf_write(pci_chipset_tag_t, pcitag_t, int, pcireg_t); 90 1.8 dyoung int pci_intr_map(const struct pci_attach_args *, 91 1.8 dyoung pci_intr_handle_t *); 92 1.11 christos const char *pci_intr_string(pci_chipset_tag_t, pci_intr_handle_t, 93 1.11 christos char *, size_t); 94 1.1 uwe const struct evcnt *pci_intr_evcnt(pci_chipset_tag_t, pci_intr_handle_t); 95 1.1 uwe void *pci_intr_establish(pci_chipset_tag_t, pci_intr_handle_t, 96 1.1 uwe int, int (*)(void *), void *); 97 1.1 uwe void pci_intr_disestablish(pci_chipset_tag_t, void *); 98 1.3 thorpej 99 1.1 uwe #endif /* _SPARC_PCI_MACHDEP_H_ */ 100