/* * Copyright (c) 1997 by Matthew N. Dodd * All Rights Reserved * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions, and the following disclaimer, * without modification, immediately at the beginning of the file. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /* * Credits: Based on and part of the DPT driver for FreeBSD written and * maintained by Simon Shapiro */ /* * $Id: dpt_eisa.c,v 1.4 1998/09/15 08:33:35 gibbs Exp $ */ #include "eisa.h" #if NEISA > 0 #include "opt_dpt.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* Function Prototypes */ static const char *dpt_eisa_match(eisa_id_t); static int dpt_eisa_probe(device_t dev) { const char *desc; u_int32_t io_base; u_int intdef; u_int irq; desc = dpt_eisa_match(eisa_get_id(dev)); if (!desc) return (ENXIO); device_set_desc(dev, desc); io_base = (eisa_get_slot(dev) * EISA_SLOT_SIZE) + DPT_EISA_SLOT_OFFSET; eisa_add_iospace(dev, io_base, DPT_EISA_IOSIZE, RESVADDR_NONE); intdef = inb(DPT_EISA_INTDEF + io_base); irq = intdef & DPT_EISA_INT_NUM_MASK; switch (irq) { case DPT_EISA_INT_NUM_11: irq = 11; break; case DPT_EISA_INT_NUM_15: irq = 15; break; case DPT_EISA_INT_NUM_14: irq = 14; break; default: printf("dpt at slot %d: illegal irq setting %d\n", eisa_get_slot(dev), irq); irq = 0; break; } if (irq == 0) return ENXIO; eisa_add_intr(dev, irq); return 0; } static int dpt_eisa_attach(device_t dev) { dpt_softc_t *dpt; struct resource *io = 0; struct resource *irq = 0; int unit = device_get_unit(dev); int shared; int s; int rid; void *ih; rid = 0; io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 1, RF_ACTIVE); if (!io) { device_printf(dev, "No I/O space?!\n"); return ENOMEM; } shared = (inb(DPT_EISA_INTDEF + rman_get_start(io)) & DPT_EISA_INT_LEVEL) ? RF_SHAREABLE : 0; dpt = dpt_alloc(unit, rman_get_bustag(io), rman_get_bushandle(io) + DPT_EISA_EATA_REG_OFFSET); if (dpt == NULL) goto bad; /* Allocate a dmatag representing the capabilities of this attachment */ /* XXX Should be a child of the EISA bus dma tag */ if (bus_dma_tag_create(/*parent*/NULL, /*alignemnt*/0, /*boundary*/0, /*lowaddr*/BUS_SPACE_MAXADDR_32BIT, /*highaddr*/BUS_SPACE_MAXADDR, /*filter*/NULL, /*filterarg*/NULL, /*maxsize*/BUS_SPACE_MAXSIZE_32BIT, /*nsegments*/BUS_SPACE_UNRESTRICTED, /*maxsegsz*/BUS_SPACE_MAXSIZE_32BIT, /*flags*/0, &dpt->parent_dmat) != 0) { dpt_free(dpt); goto bad; } rid = 0; irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1, shared | RF_ACTIVE); if (!irq) { device_printf(dev, "No irq?!\n"); goto bad; } s = splcam(); if (dpt_init(dpt) != 0) { dpt_free(dpt); goto bad; } /* Register with the XPT */ dpt_attach(dpt); bus_setup_intr(dev, irq, dpt_intr, dpt, &ih); splx(s); return 0; bad: if (io) bus_release_resource(dev, SYS_RES_IOPORT, 0, io); if (irq) bus_release_resource(dev, SYS_RES_IRQ, 0, irq); return -1; } static const char * dpt_eisa_match(type) eisa_id_t type; { switch (type) { case DPT_EISA_DPT2402 : return ("DPT PM2012A/9X"); break; case DPT_EISA_DPTA401 : return ("DPT PM2012B/9X"); break; case DPT_EISA_DPTA402 : return ("DPT PM2012B2/9X"); break; case DPT_EISA_DPTA410 : return ("DPT PM2x22A/9X"); break; case DPT_EISA_DPTA411 : return ("DPT Spectre"); break; case DPT_EISA_DPTA412 : return ("DPT PM2021A/9X"); break; case DPT_EISA_DPTA420 : return ("DPT Smart Cache IV (PM2042)"); break; case DPT_EISA_DPTA501 : return ("DPT PM2012B1/9X"); break; case DPT_EISA_DPTA502 : return ("DPT PM2012Bx/9X"); break; case DPT_EISA_DPTA701 : return ("DPT PM2011B1/9X"); break; case DPT_EISA_DPTBC01 : return ("DPT PM3011/7X ESDI"); break; case DPT_EISA_NEC8200 : return ("NEC EATA SCSI"); break; case DPT_EISA_ATT2408 : return ("ATT EATA SCSI"); break; default: break; } return (NULL); } static device_method_t dpt_eisa_methods[] = { /* Device interface */ DEVMETHOD(device_probe, dpt_eisa_probe), DEVMETHOD(device_attach, dpt_eisa_attach), { 0, 0 } }; static driver_t dpt_eisa_driver = { "dpt", dpt_eisa_methods, DRIVER_TYPE_CAM, 1, /* unused */ }; static devclass_t dpt_devclass; DRIVER_MODULE(dpt, eisa, dpt_eisa_driver, dpt_devclass, 0, 0); #endif /* NEISA > 0 */