2005-02-01 16:59:23 +00:00
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/*-
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* Copyright (c) 2005 Poul-Henning Kamp <phk@FreeBSD.org>
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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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2005-02-06 15:22:23 +00:00
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* notice, this list of conditions and the following disclaimer.
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2005-02-01 16:59:23 +00:00
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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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*
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2005-02-06 15:22:23 +00:00
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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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* Driver for GPIB cards based on NEC <EFBFBD>PD7210 and compatibles.
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*
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* This driver just hooks up to the hardware and leaves all the interesting
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* stuff to upd7210.c.
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2005-02-01 16:59:23 +00:00
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*
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* Supported hardware:
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2005-02-01 20:34:47 +00:00
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* PCIIA compatible cards.
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*
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* Tested and known working:
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2005-02-01 16:59:23 +00:00
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* "B&C Microsystems PC488A-0"
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*
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/systm.h>
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2005-02-06 15:22:23 +00:00
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#include <sys/lock.h>
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#include <sys/mutex.h>
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2005-02-01 16:59:23 +00:00
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#include <sys/kernel.h>
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#include <sys/module.h>
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#include <sys/bus.h>
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#include <machine/bus.h>
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#include <machine/resource.h>
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#include <sys/rman.h>
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2005-02-06 15:22:23 +00:00
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#include <isa/isavar.h>
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2005-02-01 16:59:23 +00:00
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2005-02-12 17:39:50 +00:00
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#define UPD7210_HW_DRIVER
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2005-02-06 15:22:23 +00:00
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#include <dev/ieee488/upd7210.h>
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2005-02-01 16:59:23 +00:00
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struct pcii_softc {
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int foo;
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2006-01-14 09:46:27 +00:00
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struct resource *res[3];
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2005-02-01 16:59:23 +00:00
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void *intr_handler;
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struct upd7210 upd7210;
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};
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static devclass_t pcii_devclass;
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static int pcii_probe(device_t dev);
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static int pcii_attach(device_t dev);
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static device_method_t pcii_methods[] = {
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DEVMETHOD(device_probe, pcii_probe),
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DEVMETHOD(device_attach, pcii_attach),
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DEVMETHOD(device_suspend, bus_generic_suspend),
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DEVMETHOD(device_resume, bus_generic_resume),
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{ 0, 0 }
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};
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2005-09-24 20:44:55 +00:00
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static struct resource_spec pcii_res_spec[] = {
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{ SYS_RES_IRQ, 0, RF_ACTIVE | RF_SHAREABLE},
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{ SYS_RES_DRQ, 0, RF_ACTIVE | RF_SHAREABLE | RF_OPTIONAL},
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{ SYS_RES_IOPORT, 0, RF_ACTIVE},
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{ -1, 0, 0 }
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};
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2005-02-01 16:59:23 +00:00
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static driver_t pcii_driver = {
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"pcii",
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pcii_methods,
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2005-02-06 22:45:12 +00:00
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sizeof(struct pcii_softc),
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2005-02-01 16:59:23 +00:00
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};
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static int
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pcii_probe(device_t dev)
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{
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2005-09-24 20:44:55 +00:00
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int rid, i, j;
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2005-02-01 16:59:23 +00:00
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u_long start, count;
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2005-09-24 20:44:55 +00:00
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int error = 0;
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struct pcii_softc *sc;
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2005-02-01 16:59:23 +00:00
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device_set_desc(dev, "PCII IEEE-4888 controller");
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2005-09-24 20:44:55 +00:00
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sc = device_get_softc(dev);
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2005-02-01 16:59:23 +00:00
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rid = 0;
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if (bus_get_resource(dev, SYS_RES_IOPORT, rid, &start, &count) != 0)
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return ENXIO;
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if ((start & 0x3ff) != 0x2e1)
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return (ENXIO);
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count = 1;
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if (bus_set_resource(dev, SYS_RES_IOPORT, rid, start, count) != 0)
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return ENXIO;
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2005-09-24 20:44:55 +00:00
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error = bus_alloc_resources(dev, pcii_res_spec, sc->res);
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if (error)
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return (error);
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error = ENXIO;
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for (i = 0; i < 8; i++) {
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j = bus_read_1(sc->res[2], i * 0x400);
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if (j != 0x00 && j != 0xff)
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error = 0;
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}
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if (!error) {
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bus_write_1(sc->res[2], 3 * 0x400, 0x55);
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if (bus_read_1(sc->res[2], 3 * 0x400) != 0x55)
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2005-02-01 16:59:23 +00:00
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error = ENXIO;
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}
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2005-09-24 20:44:55 +00:00
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if (!error) {
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bus_write_1(sc->res[2], 3 * 0x400, 0xaa);
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if (bus_read_1(sc->res[2], 3 * 0x400) != 0xaa)
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error = ENXIO;
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}
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bus_release_resources(dev, pcii_res_spec, sc->res);
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2005-02-01 16:59:23 +00:00
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return (error);
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}
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static int
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pcii_attach(device_t dev)
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{
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struct pcii_softc *sc;
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int unit;
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int rid;
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2005-09-24 20:44:55 +00:00
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int error = 0;
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2005-02-01 16:59:23 +00:00
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unit = device_get_unit(dev);
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sc = device_get_softc(dev);
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memset(sc, 0, sizeof *sc);
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device_set_desc(dev, "PCII IEEE-4888 controller");
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2005-09-24 20:44:55 +00:00
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error = bus_alloc_resources(dev, pcii_res_spec, sc->res);
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if (error)
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return (error);
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error = bus_setup_intr(dev, sc->res[0],
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INTR_TYPE_MISC | INTR_MPSAFE,
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upd7210intr, &sc->upd7210, &sc->intr_handler);
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2005-02-01 16:59:23 +00:00
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if (error) {
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2005-09-24 20:44:55 +00:00
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bus_release_resources(dev, pcii_res_spec, sc->res);
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return (error);
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}
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for (rid = 0; rid < 8; rid++) {
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sc->upd7210.reg_res[rid] = sc->res[2];
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sc->upd7210.reg_offset[rid] = 0x400 * rid;
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2005-02-01 16:59:23 +00:00
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}
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2005-09-24 20:44:55 +00:00
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if (sc->res[1] == NULL)
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sc->upd7210.dmachan = -1;
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else
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sc->upd7210.dmachan = rman_get_start(sc->res[1]);
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2005-02-01 16:59:23 +00:00
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upd7210attach(&sc->upd7210);
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return (error);
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}
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DRIVER_MODULE(pcii, isa, pcii_driver, pcii_devclass, 0, 0);
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DRIVER_MODULE(pcii, acpi, pcii_driver, pcii_devclass, 0, 0);
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