168 lines
4.6 KiB
C
168 lines
4.6 KiB
C
/* $NetBSD: igsfb_pci.c,v 1.2 2002/04/04 18:50:28 uwe Exp $ */
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/*
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* Copyright (c) 2002 Valeriy E. Ushakov
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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, 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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/*
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* Integraphics Systems IGA 1682 and (untested) CyberPro 2k.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: igsfb_pci.c,v 1.2 2002/04/04 18:50:28 uwe 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 <sys/buf.h>
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#include <machine/autoconf.h>
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#include <machine/bus.h>
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#include <machine/intr.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/wscons/wsconsio.h>
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#include <dev/ic/igsfbreg.h>
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#include <dev/ic/igsfbvar.h>
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static int igsfb_pci_match(struct device *, struct cfdata *, void *);
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static void igsfb_pci_attach(struct device *, struct device *, void *);
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const struct cfattach igsfb_pci_ca = {
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sizeof(struct igsfb_softc), igsfb_pci_match, igsfb_pci_attach,
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};
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static int
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igsfb_pci_match(parent, match, aux)
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struct device *parent;
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struct cfdata *match;
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void *aux;
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{
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struct pci_attach_args *pa = aux;
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if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_INTEGRAPHICS)
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return (0);
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/* probably can drive iga1680 and cyberpro cards as well */
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if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_INTEGRAPHICS_IGA1682)
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return (1);
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return (0);
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}
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/*
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* Note, that the chip may still be not enabled (e.g. JavaStation PROM
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* doesn't bother to init the chip if PROM output goes to serial).
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*/
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static void
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igsfb_pci_attach(parent, self, aux)
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struct device *parent, *self;
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void *aux;
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{
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struct igsfb_softc *sc = (struct igsfb_softc *)self;
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struct pci_attach_args *pa = aux;
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bus_addr_t iobase;
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int ioflags;
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int isconsole;
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char devinfo[256];
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pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo);
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printf(": %s, revision 0x%02x\n", devinfo, PCI_REVISION(pa->pa_class));
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if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_INTEGRAPHICS_IGA1682)
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sc->sc_is2k = 0;
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else
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sc->sc_is2k = 1;
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#ifdef __sparc__
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/*
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* We run javastation with PCIC doing byte-swapping on data
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* travelling to/from PCI, so compensate for that.
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*/
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sc->sc_hwflags |= IGSFB_HW_BSWAP;
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#endif
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/*
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* Memory space. Configure it first since for cyber2k we also
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* use memory-mapped i/o access. Note that we are not mapping
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* any of it yet.
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*/
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#define IGS_MEM_MAPREG (PCI_MAPREG_START + 0)
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sc->sc_memt = pa->pa_memt;
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if (pci_mapreg_info(pa->pa_pc, pa->pa_tag,
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IGS_MEM_MAPREG, PCI_MAPREG_TYPE_MEM,
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&sc->sc_memaddr, &sc->sc_memsz, &sc->sc_memflags) != 0)
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{
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printf("unable to configure memory space\n");
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return;
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}
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/*
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* I/O space.
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*/
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if (sc->sc_is2k) { /* XXX: untested */
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sc->sc_iot = sc->sc_memt;
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iobase = sc->sc_memaddr | IGS_MEM_MMIO_SELECT;
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ioflags = sc->sc_memflags;
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} else {
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/* feh, 1682 denies having io space registers */
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sc->sc_iot = pa->pa_iot;
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iobase = 0;
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ioflags = 0;
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}
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if (bus_space_map(sc->sc_iot, iobase, IGS_IO_SIZE, ioflags,
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&sc->sc_ioh) != 0)
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{
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printf("unable to map io registers\n");
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return;
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}
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/* TODO: Graphic coprocessor registers. */
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if (igsfb_io_enable(sc->sc_iot, iobase) != 0)
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return;
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igsfb_mem_enable(sc);
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/* XXX: sparc'ism */
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if (PCITAG_NODE(pa->pa_tag) == prom_instance_to_package(prom_stdout()))
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isconsole = 1;
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else
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isconsole = 0;
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igsfb_common_attach(sc, isconsole);
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}
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