109 lines
3.5 KiB
C
109 lines
3.5 KiB
C
/* $NetBSD: mq200_pci.c,v 1.4 2002/10/02 05:26:46 thorpej Exp $ */
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/*-
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* Copyright (c) 2002 TAKEMURA Shin
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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 REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, 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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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: mq200_pci.c,v 1.4 2002/10/02 05:26:46 thorpej Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/device.h>
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#include <sys/malloc.h>
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#include <dev/pci/pcireg.h>
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#include <dev/pci/pcivar.h>
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#include <dev/pci/pcidevs.h>
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#include <dev/pci/pciio.h>
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#include <hpcmips/dev/mq200var.h>
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struct mq200_pci_softc {
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struct mq200_softc sc_mq200;
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pci_chipset_tag_t sc_pc;
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pcitag_t sc_pcitag;
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};
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int mq200_pci_match(struct device *, struct cfdata *, void *);
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void mq200_pci_attach(struct device *, struct device *, void *);
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CFATTACH_DECL(mqvideo_pci, sizeof(struct mq200_pci_softc),
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mq200_pci_match, mq200_pci_attach, NULL, NULL);
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int
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mq200_pci_match(struct device *parent, struct cfdata *match, void *aux)
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{
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struct pci_attach_args *pa = aux;
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/* check vendor id and product id */
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if (pa->pa_id !=
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PCI_ID_CODE(PCI_VENDOR_MEDIAQ, PCI_PRODUCT_MEDIAQ_MQ200))
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return (0);
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return (1);
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}
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void
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mq200_pci_attach(struct device *parent, struct device *self, void *aux)
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{
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struct mq200_pci_softc *psc = (void *) self;
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struct mq200_softc *sc = &psc->sc_mq200;
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struct pci_attach_args *pa = aux;
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int res;
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psc->sc_pc = pa->pa_pc;
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psc->sc_pcitag = pa->pa_tag;
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/* check whether it is disabled by firmware */
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if (!(pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG) &
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PCI_COMMAND_MEM_ENABLE)) {
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printf("%s: disabled\n", sc->sc_dev.dv_xname);
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return;
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}
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/* Base Address Register 0: base address of control registers */
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res = pci_mapreg_map(pa, PCI_MAPREG_START, PCI_MAPREG_TYPE_MEM,
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0, &sc->sc_iot, &sc->sc_ioh, NULL, NULL);
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if (res != 0) {
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printf("%s: can't map registers\n", sc->sc_dev.dv_xname);
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return;
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}
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/* Base Address Register 1: base address of frame buffer */
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res = pci_mapreg_info(psc->sc_pc, psc->sc_pcitag, PCI_MAPREG_START+4,
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PCI_MAPREG_TYPE_MEM, &sc->sc_baseaddr, NULL, NULL);
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if (res != 0) {
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printf("%s: can't map frame buffer\n", sc->sc_dev.dv_xname);
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return;
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}
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mq200_attach(sc);
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}
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