/* * 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 1.3 1998/08/09 02:22:34 jkh 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 /* Function Prototypes */ static int dpt_eisa_probe(void); static int dpt_eisa_attach(struct eisa_device*); static const char *dpt_eisa_match(eisa_id_t); static struct eisa_driver dpt_eisa_driver = { "dpt", dpt_eisa_probe, dpt_eisa_attach, NULL, &dpt_unit }; DATA_SET (eisadriver_set, dpt_eisa_driver); static int dpt_eisa_probe(void) { struct eisa_device *e_dev = NULL; int count; u_int32_t io_base; u_int intdef; u_int irq; e_dev = NULL; count = 0; while ((e_dev = eisa_match_dev(e_dev, dpt_eisa_match))) { io_base = (e_dev->ioconf.slot * EISA_SLOT_SIZE) + DPT_EISA_SLOT_OFFSET; eisa_add_iospace(e_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", e_dev->ioconf.slot, irq); irq = 0; break; } if (irq == 0) continue; eisa_add_intr(e_dev, irq); eisa_registerdev(e_dev, &dpt_eisa_driver); count++; } return count; } int dpt_eisa_attach(e_dev) struct eisa_device *e_dev; { dpt_softc_t *dpt; resvaddr_t *io_space; int unit = e_dev->unit; int irq; int shared; int s; if (TAILQ_FIRST(&e_dev->ioconf.irqs) == NULL) { printf("dpt%d: Can't retrieve irq from EISA config struct.\n", unit); return -1; } irq = TAILQ_FIRST(&e_dev->ioconf.irqs)->irq_no; io_space = e_dev->ioconf.ioaddrs.lh_first; if (!io_space) { printf("dpt%d: No I/O space?!\n", unit); return -1; } shared = inb(DPT_EISA_INTDEF + io_space->addr) & DPT_EISA_INT_LEVEL; dpt = dpt_alloc(unit, I386_BUS_SPACE_IO, io_space->addr + DPT_EISA_EATA_REG_OFFSET); if (dpt == NULL) return -1; /* 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); return -1; } if (eisa_reg_intr(e_dev, irq, dpt_intr, (void *)dpt, &cam_imask, shared)) { printf("dpt%d: eisa_reg_intr() failed.\n", unit); dpt_free(dpt); return -1; } eisa_reg_end(e_dev); /* Enable our interrupt handler. */ if (eisa_enable_intr(e_dev, irq)) { #ifdef DPT_DEBUG_ERROR printf("dpt%d: eisa_enable_intr() failed.\n", unit); #endif free(dpt, M_DEVBUF); eisa_release_intr(e_dev, irq, dpt_intr); return -1; } /* * Enable our interrupt handler. */ if (eisa_enable_intr(e_dev, irq)) { dpt_free(dpt); eisa_release_intr(e_dev, irq, dpt_intr); return -1; } s = splcam(); if (dpt_init(dpt) != 0) { dpt_free(dpt); return -1; } /* Register with the XPT */ dpt_attach(dpt); splx(s); return 0; } 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); } #endif /* NEISA > 0 */