95 lines
3.6 KiB
C
95 lines
3.6 KiB
C
/* $NetBSD: pci_machdep.h,v 1.8 2001/10/18 23:47:16 eeh 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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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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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 _MACHINE_PCI_MACHDEP_H_
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#define _MACHINE_PCI_MACHDEP_H_
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/*
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* We want to contro both device & function probe order.
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*/
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#define __PCI_BUS_DEVORDER
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#undef __PCI_DEV_FUNCORDER
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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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* define some bits used to glue into the common 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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struct sparc_pci_chipset {
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void *cookie; /* psycho_pbm, but sssh! */
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int rootnode; /* PCI controller */
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int curnode; /* Current OFW node */
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};
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/*
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* The stuuuuuuupid allegedly MI PCI code expects pcitag_t to be a
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* scalar type. But we really need to store both the OFW node and
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* the bus/device/function info in it. (We'd like to store more,
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* like all the ofw properties, but we don't need to.) Luckily,
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* both are 32-bit values, so we can squeeze them into a u_int64_t
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* with a little help from some macros.
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*/
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#define PCITAG_NODE(x) (int)(((x)>>32)&0xffffffff)
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#define PCITAG_OFFSET(x) ((x)&0xffffffff)
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#define PCITAG_CREATE(n,b,d,f) (((u_int64_t)(n)<<32)|((b)<<16)|((d)<<11)|((f)<<8))
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#define PCITAG_SETNODE(t,n) ((x)&0xffffffff)|(((n)<<32)
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typedef u_int64_t pcitag_t;
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void pci_attach_hook(struct device *, struct device *,
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struct pcibus_attach_args *);
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#ifdef __PCI_BUS_DEVORDER
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int pci_bus_devorder(pci_chipset_tag_t, int, char *);
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#endif
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#ifdef __PCI_DEV_FUNCORDER
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int pci_dev_funcorder(pci_chipset_tag_t, int, int, char *);
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#endif
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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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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,
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pcireg_t);
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int pci_intr_map(struct pci_attach_args *, 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 /* _MACHINE_PCI_MACHDEP_H_ */
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