217 lines
5.5 KiB
C
217 lines
5.5 KiB
C
/*-
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* Copyright (c) 1997, 2000 Matthew N. Dodd <winter@jurai.net>
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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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*
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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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*/
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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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#include <sys/kernel.h>
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#include <sys/module.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/bus.h>
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#include <machine/bus_pio.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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#include <dev/eisa/eisaconf.h>
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#include <cam/scsi/scsi_all.h>
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#include <dev/dpt/dpt.h>
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#define DPT_EISA_IOSIZE 0x9
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#define DPT_EISA_SLOT_OFFSET 0x0c00
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#define DPT_EISA_EATA_REG_OFFSET 0x0088
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#define DPT_EISA_DPT2402 0x12142402 /* DPT PM2012A/9X */
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#define DPT_EISA_DPTA401 0x1214A401 /* DPT PM2012B/9X */
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#define DPT_EISA_DPTA402 0x1214A402 /* DPT PM2012B2/9X */
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#define DPT_EISA_DPTA410 0x1214A410 /* DPT PM2x22A/9X */
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#define DPT_EISA_DPTA411 0x1214A411 /* DPT Spectre */
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#define DPT_EISA_DPTA412 0x1214A412 /* DPT PM2021A/9X */
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#define DPT_EISA_DPTA420 0x1214A420 /* DPT Smart Cache IV (PM2042) */
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#define DPT_EISA_DPTA501 0x1214A501 /* DPT PM2012B1/9X" */
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#define DPT_EISA_DPTA502 0x1214A502 /* DPT PM2012Bx/9X */
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#define DPT_EISA_DPTA701 0x1214A701 /* DPT PM2011B1/9X */
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#define DPT_EISA_DPTBC01 0x1214BC01 /* DPT PM3011/7X ESDI */
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#define DPT_EISA_DPT8200 0x12148200 /* NEC EATA SCSI */
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#define DPT_EISA_DPT2408 0x12142408 /* ATT EATA SCSI */
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/* Function Prototypes */
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static const char * dpt_eisa_match (eisa_id_t);
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static int dpt_eisa_probe (device_t);
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static int dpt_eisa_attach (device_t);
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static int
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dpt_eisa_probe (device_t dev)
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{
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const char * desc;
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u_int32_t io_base;
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dpt_conf_t * conf;
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desc = dpt_eisa_match(eisa_get_id(dev));
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if (!desc)
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return (ENXIO);
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device_set_desc(dev, desc);
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io_base = (eisa_get_slot(dev) * EISA_SLOT_SIZE) +
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DPT_EISA_SLOT_OFFSET +
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DPT_EISA_EATA_REG_OFFSET;
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conf = dpt_pio_get_conf(io_base);
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if (!conf) {
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printf("dpt: dpt_pio_get_conf() failed.\n");
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return (ENXIO);
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}
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eisa_add_iospace(dev, io_base, DPT_EISA_IOSIZE, RESVADDR_NONE);
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eisa_add_intr(dev, conf->IRQ,
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(conf->IRQ_TR ? EISA_TRIGGER_LEVEL : EISA_TRIGGER_EDGE));
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return 0;
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}
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static int
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dpt_eisa_attach (device_t dev)
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{
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dpt_softc_t * dpt;
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int s;
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int error = 0;
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dpt = device_get_softc(dev);
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dpt->io_rid = 0;
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dpt->io_type = SYS_RES_IOPORT;
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dpt->irq_rid = 0;
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error = dpt_alloc_resources(dev);
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if (error) {
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goto bad;
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}
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dpt_alloc(dev);
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/* Allocate a dmatag representing the capabilities of this attachment */
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/* XXX Should be a child of the EISA bus dma tag */
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if (bus_dma_tag_create( /* parent */ NULL,
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/* alignemnt */ 1,
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/* boundary */ 0,
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/* lowaddr */ BUS_SPACE_MAXADDR_32BIT,
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/* highaddr */ BUS_SPACE_MAXADDR,
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/* filter */ NULL,
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/* filterarg */ NULL,
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/* maxsize */ BUS_SPACE_MAXSIZE_32BIT,
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/* nsegments */ ~0,
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/* maxsegsz */ BUS_SPACE_MAXSIZE_32BIT,
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/* flags */ 0,
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/* lockfunc */ busdma_lock_mutex,
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/* lockarg */ &Giant,
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&dpt->parent_dmat) != 0) {
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error = ENXIO;
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goto bad;
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}
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s = splcam();
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if (dpt_init(dpt) != 0) {
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splx(s);
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error = ENXIO;
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goto bad;
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}
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/* Register with the XPT */
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dpt_attach(dpt);
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splx(s);
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if (bus_setup_intr(dev, dpt->irq_res, INTR_TYPE_CAM | INTR_ENTROPY,
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dpt_intr, dpt, &dpt->ih)) {
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device_printf(dev, "Unable to register interrupt handler\n");
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error = ENXIO;
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goto bad;
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}
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return (error);
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bad:
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dpt_release_resources(dev);
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if (dpt)
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dpt_free(dpt);
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return (error);
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}
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static const char *
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dpt_eisa_match(type)
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eisa_id_t type;
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{
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switch (type) {
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case DPT_EISA_DPT2402:
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case DPT_EISA_DPTA401:
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case DPT_EISA_DPTA402:
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case DPT_EISA_DPTA410:
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case DPT_EISA_DPTA411:
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case DPT_EISA_DPTA412:
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case DPT_EISA_DPTA420:
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case DPT_EISA_DPTA501:
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case DPT_EISA_DPTA502:
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case DPT_EISA_DPTA701:
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case DPT_EISA_DPTBC01:
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case DPT_EISA_DPT8200:
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case DPT_EISA_DPT2408:
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return ("DPT SCSI Host Bus Adapter");
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break;
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default:
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break;
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}
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return (NULL);
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}
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static device_method_t dpt_eisa_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, dpt_eisa_probe),
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DEVMETHOD(device_attach, dpt_eisa_attach),
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DEVMETHOD(device_detach, dpt_detach),
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{ 0, 0 }
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};
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static driver_t dpt_eisa_driver = {
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"dpt",
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dpt_eisa_methods,
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sizeof(dpt_softc_t),
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};
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DRIVER_MODULE(dpt, eisa, dpt_eisa_driver, dpt_devclass, 0, 0);
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