172 lines
4.4 KiB
C
172 lines
4.4 KiB
C
/* $NetBSD: pci_machdep.c,v 1.19 2006/08/30 23:35:10 rumble Exp $ */
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/*
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* Copyright (c) 2000 Soren S. Jorvang
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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. 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 for the
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* NetBSD Project. See http://www.NetBSD.org/ for
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* information about NetBSD.
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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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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: pci_machdep.c,v 1.19 2006/08/30 23:35:10 rumble Exp $");
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#include "opt_pci.h"
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#include "pci.h"
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#include <sys/types.h>
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#include <sys/param.h>
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#include <sys/time.h>
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#include <sys/systm.h>
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#include <sys/errno.h>
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#include <sys/device.h>
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#include <uvm/uvm_extern.h>
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#define _SGIMIPS_BUS_DMA_PRIVATE
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#include <machine/bus.h>
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#include <machine/intr.h>
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#include <machine/sysconf.h>
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#include <dev/pci/pcivar.h>
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#include <dev/pci/pcireg.h>
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#include <dev/pci/pcidevs.h>
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#include <dev/pci/pciconf.h>
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struct sgimips_bus_dma_tag pci_bus_dma_tag;
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void
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pci_attach_hook(struct device *parent, struct device *self, struct pcibus_attach_args *pba)
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{
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/*
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* PCI doesn't have any special needs; just use
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* the generic versions of these functions as
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* established in sgimips_bus_dma_init().
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*/
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pci_bus_dma_tag = sgimips_default_bus_dma_tag; /* struct copy */
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/* XXX */
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return;
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}
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int
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pci_bus_maxdevs(pci_chipset_tag_t pc, int busno)
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{
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return (*pc->pc_bus_maxdevs)(pc, busno);
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}
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pcitag_t
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pci_make_tag(pci_chipset_tag_t pc, int bus, int device, int function)
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{
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return (bus << 16) | (device << 11) | (function << 8);
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}
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void
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pci_decompose_tag(pci_chipset_tag_t pc, pcitag_t tag, int *bp, int *dp, int *fp)
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{
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if (bp != NULL)
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*bp = (tag >> 16) & 0xff;
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if (dp != NULL)
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*dp = (tag >> 11) & 0x1f;
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if (fp != NULL)
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*fp = (tag >> 8) & 0x07;
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}
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pcireg_t
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pci_conf_read(pci_chipset_tag_t pc, pcitag_t tag, int reg)
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{
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return (*pc->pc_conf_read)(pc, tag, reg);
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}
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void
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pci_conf_write(pci_chipset_tag_t pc, pcitag_t tag, int reg, pcireg_t data)
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{
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(*pc->pc_conf_write)(pc, tag, reg, data);
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}
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int
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pci_intr_map(struct pci_attach_args *pa, pci_intr_handle_t *ihp)
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{
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return (*pa->pa_pc->pc_intr_map)(pa, ihp);
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}
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const char *
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pci_intr_string(pci_chipset_tag_t pc, pci_intr_handle_t ih)
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{
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return (*pc->pc_intr_string)(pc, ih);
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}
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const struct evcnt *
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pci_intr_evcnt(pci_chipset_tag_t pc, pci_intr_handle_t ih)
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{
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/* XXX for now, no evcnt parent reported */
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return NULL;
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}
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void *
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pci_intr_establish(pci_chipset_tag_t pc, pci_intr_handle_t ih, int level,
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int (*func)(void *), void *arg)
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{
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return (void *)(*pc->intr_establish)(ih, 0, func, arg);
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}
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void
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pci_intr_disestablish(pci_chipset_tag_t pc, void *cookie)
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{
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(*pc->intr_disestablish)(cookie);
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}
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#ifdef PCI_NETBSD_CONFIGURE
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int
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pci_conf_hook(pci_chipset_tag_t pc, int bus, int device, int function,
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pcireg_t id)
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{
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if (pc->pc_conf_hook)
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return (*pc->pc_conf_hook)(pc, bus, device, function, id);
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else
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return (PCI_CONF_DEFAULT);
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}
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void
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pci_conf_interrupt(pci_chipset_tag_t pc, int bus, int dev, int pin, int swiz,
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int *iline)
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{
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return;
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}
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#endif
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