129 lines
5.3 KiB
C
129 lines
5.3 KiB
C
/* $NetBSD: pci_machdep.h,v 1.5 2003/05/19 08:10:03 scw Exp $ */
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/*
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* Copyright (c) 1996 Christopher G. Demetriou. All rights reserved.
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* Copyright (c) 1994 Charles M. Hannum. 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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Charles M. Hannum.
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* 4. 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, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 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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* Machine-specific definitions for PCI autoconfiguration.
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*/
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#define __PCI_BUS_DEVORDER 1
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#define __HAVE_PCI_CONF_HOOK 1
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/*
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* be-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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* Configuration tag; created from a {bus,device,function} triplet by
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* pci_make_tag(), and passed to pci_conf_read() and pci_conf_write().
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* We could instead always pass the {bus,device,function} triplet to
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* the read and write routines, but this would cause extra overhead.
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*/
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struct pci_attach_args; /* Forward declaration */
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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 pci_chipset *pci_chipset_tag_t;
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typedef int pcitag_t;
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typedef int pci_intr_handle_t;
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extern struct powerpc_bus_dma_tag pci_bus_dma_tag;
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struct pci_chipset_functions {
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void (*pcf_bus_attach_hook)(struct device *, struct device *,
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struct pcibus_attach_args *);
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int (*pcf_bus_maxdevs)(pci_chipset_tag_t, int);
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void (*pcf_bus_devorder)(pci_chipset_tag_t, int, char []);
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pcitag_t (*pcf_make_tag)(pci_chipset_tag_t, int, int, int);
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void (*pcf_decompose_tag)(pci_chipset_tag_t, pcitag_t, int *, int *,
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int *);
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pcireg_t (*pcf_conf_read)(pci_chipset_tag_t, pcitag_t, int);
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void (*pcf_conf_write)(pci_chipset_tag_t, pcitag_t, int, pcireg_t);
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int (*pcf_conf_hook)(pci_chipset_tag_t, int, int, int, pcireg_t);
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void (*pcf_conf_interrupt)(pci_chipset_tag_t, int, int, int, int,
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int *);
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int (*pcf_intr_map)(struct pci_attach_args *, pci_intr_handle_t *);
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const char *(*pcf_intr_string)(pci_chipset_tag_t, pci_intr_handle_t);
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const struct evcnt *(*pcf_intr_evcnt)(pci_chipset_tag_t,
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pci_intr_handle_t);
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void *(*pcf_intr_establish)(pci_chipset_tag_t, pci_intr_handle_t,
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int, int (*)(void *), void *);
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void (*pcf_intr_disestablish)(pci_chipset_tag_t, void *);
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};
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struct pci_chipset {
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struct device *pc_parent;
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const struct pci_chipset_functions *pc_funcs;
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};
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/*
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* Functions provided to machine-independent PCI code.
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*/
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#define pci_attach_hook(parent, self, pba) \
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((*(pba)->pba_pc->pc_funcs->pcf_bus_attach_hook)((parent), (self), (pba)))
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#define pci_bus_maxdevs(pc, busno) \
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((*(pc)->pc_funcs->pcf_bus_maxdevs)((pc), (busno)))
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#define pci_enumerate_bus(sc, match, pa) \
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(pci_enumerate_bus_generic((sc), (match), (pa)))
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#define pci_make_tag(pc, bus, dev, func) \
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((*(pc)->pc_funcs->pcf_make_tag)((pc), (bus), (dev), (func)))
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#define pci_decompose_tag(pc, tag, bp, dp, fp) \
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((*(pc)->pc_funcs->pcf_decompose_tag)((pc), (tag), (bp), (dp), (fp)))
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#define pci_conf_read(pc, tag, reg) \
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((*(pc)->pc_funcs->pcf_conf_read)((pc), (tag), (reg)))
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#define pci_conf_write(pc, tag, reg, data) \
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((*(pc)->pc_funcs->pcf_conf_write)((pc), (tag), (reg), (data)))
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#define pci_conf_hook(pc, bus, dev, func, id) \
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((*(pc)->pc_funcs->pcf_conf_hook)((pc), (bus), (dev), (func), (id)))
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#define pci_conf_interrupt(pc, bus, dev, pin, swiz, iline) \
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((*(pc)->pc_funcs->pcf_conf_interrupt)((pc), (bus), (dev), (pin), (swiz), (iline)))
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#define pci_intr_map(pa, ihp) \
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((*(pa)->pa_pc->pc_funcs->pcf_intr_map)((pa), (ihp)))
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#define pci_intr_string(pc, ih) \
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((*(pc)->pc_funcs->pcf_intr_string)((pc), (ih)))
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#define pci_intr_evcnt(pc, ih) \
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((*(pc)->pc_funcs->pcf_intr_evcnt)((pc), (ih)))
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#define pci_intr_establish(pc, ih, ipl, func, arg) \
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((*(pc)->pc_funcs->pcf_intr_establish)((pc), (ih), (ipl), (func), (arg)))
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#define pci_intr_disestablish(pc, ih) \
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((*(pc)->pc_funcs->pcf_intr_disestablish)((pc), (ih)))
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#define pci_bus_devorder(pc, bus, devs) \
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((*(pc)->pc_funcs->pcf_bus_devorder)((pc), (bus), (devs)))
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#endif /* __MACHINE_PCI_MACHDEP_H */
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