99 lines
3.6 KiB
C
99 lines
3.6 KiB
C
/* $NetBSD: pci_machdep.h,v 1.10 2013/04/16 06:57:06 jdc Exp $ */
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/*
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* Copyright (c) 1999 Matthew R. Green
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _SPARC_PCI_MACHDEP_H_
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#define _SPARC_PCI_MACHDEP_H_
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/*
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* Machine-specific definitions for PCI autoconfiguration.
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*/
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/*
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* Types provided to machine-independent PCI code
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*/
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typedef struct sparc_pci_chipset *pci_chipset_tag_t;
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typedef u_int pci_intr_handle_t;
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typedef uint64_t pcitag_t;
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/*
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* Forward declarations.
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*/
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struct pci_attach_args;
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/*
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* sparc-specific PCI structure and type definitions.
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* NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE.
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*/
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struct sparc_pci_chipset {
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void *cookie; /* msiiep_softc, but sssh! */
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};
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#define IS_PCI_BRIDGE(class) \
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(((class >> 16) & 0xff) == PCI_CLASS_BRIDGE && \
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((class >> 8) & 0xff) == PCI_SUBCLASS_BRIDGE_PCI)
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/*
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* The MI PCI code expects pcitag_t to be a scalar type. But besides
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* the bus/device/function we need to store the OFW node as well. We
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* can squeeze them into a uint64_t with a little help from some
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* macros. And while we are at it mangle bus/device/function into a
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* form directly suitable for pci mode1 configuration address port.
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*/
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#define PCITAG_CREATE(n,b,d,f) \
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(((uint64_t)(n)<<32)|0x80000000U|((b)<<16)|((d)<<11)|((f)<<8)|(b?1:0))
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#define PCITAG_NODE(t) ((uint32_t)(((t)>>32)&0xffffffff))
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#define PCITAG_OFFSET(t) ((uint32_t)((t)&0xffffffff))
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#define PCITAG_BUS(t) ((PCITAG_OFFSET(t)>>16)&0xFF)
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#define PCITAG_DEV(t) ((PCITAG_OFFSET(t)>>11)&0x1F)
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#define PCITAG_FUN(t) ((PCITAG_OFFSET(t)>>8)&0x7)
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/*
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* Functions provided to machine-independent PCI code.
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*/
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void pci_attach_hook(device_t, device_t,
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struct pcibus_attach_args *);
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int pci_bus_maxdevs(pci_chipset_tag_t, int);
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pcitag_t pci_make_tag(pci_chipset_tag_t, int, int, int);
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void pci_decompose_tag(pci_chipset_tag_t, pcitag_t,
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int *, int *, int *);
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pcireg_t pci_conf_read(pci_chipset_tag_t, pcitag_t, int);
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void pci_conf_write(pci_chipset_tag_t, pcitag_t, int, pcireg_t);
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int pci_intr_map(const struct pci_attach_args *,
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pci_intr_handle_t *);
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const char *pci_intr_string(pci_chipset_tag_t, pci_intr_handle_t);
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const struct evcnt *pci_intr_evcnt(pci_chipset_tag_t, pci_intr_handle_t);
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void *pci_intr_establish(pci_chipset_tag_t, pci_intr_handle_t,
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int, int (*)(void *), void *);
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void pci_intr_disestablish(pci_chipset_tag_t, void *);
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#endif /* _SPARC_PCI_MACHDEP_H_ */
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