/* $NetBSD: ahc_eisa.c,v 1.19 2000/09/24 12:37:04 jdolecek Exp $ */ /* * Product specific probe and attach routines for: * 274X and aic7770 motherboard SCSI controllers * * Copyright (c) 1994, 1995, 1996, 1997, 1998 Justin T. Gibbs. * 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 immediately at the beginning of the file, without modification, * this list of conditions, and the following disclaimer. * 2. 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. * * $FreeBSD: src/sys/dev/aic7xxx/ahc_eisa.c,v 1.15 2000/01/29 14:22:19 peter Exp $ */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include int ahc_eisa_match __P((struct device *, struct cfdata *, void *)); void ahc_eisa_attach __P((struct device *, struct device *, void *)); struct cfattach ahc_eisa_ca = { sizeof(struct ahc_softc), ahc_eisa_match, ahc_eisa_attach }; /* * Check the slots looking for a board we recognise * If we find one, note it's address (slot) and call * the actual probe routine to check it out. */ int ahc_eisa_match(parent, match, aux) struct device *parent; struct cfdata *match; void *aux; { struct eisa_attach_args *ea = aux; bus_space_tag_t iot = ea->ea_iot; bus_space_handle_t ioh; int irq; /* must match one of our known ID strings */ if (strcmp(ea->ea_idstring, "ADP7770") && strcmp(ea->ea_idstring, "ADP7771")) return (0); if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot) + AHC_EISA_SLOT_OFFSET, AHC_EISA_IOSIZE, 0, &ioh)) return (0); irq = ahc_aic77xx_irq(iot, ioh); bus_space_unmap(iot, ioh, AHC_EISA_IOSIZE); return (irq >= 0); } void ahc_eisa_attach(parent, self, aux) struct device *parent, *self; void *aux; { struct ahc_softc *ahc = (void *)self; struct eisa_attach_args *ea = aux; eisa_chipset_tag_t ec = ea->ea_ec; eisa_intr_handle_t ih; bus_space_tag_t iot = ea->ea_iot; bus_space_handle_t ioh; int irq, intrtype; const char *intrstr, *intrtypestr; u_int biosctrl; u_int scsiconf; u_int scsiconf1; #if DEBUG int i; #endif if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot) + AHC_EISA_SLOT_OFFSET, AHC_EISA_IOSIZE, 0, &ioh)) panic("%s: could not map I/O addresses", ahc->sc_dev.dv_xname); if ((irq = ahc_aic77xx_irq(iot, ioh)) < 0) panic("%s: ahc_aic77xx_irq failed!", ahc->sc_dev.dv_xname); if (strcmp(ea->ea_idstring, "ADP7770") == 0) { printf(": %s\n", EISA_PRODUCT_ADP7770); } else if (strcmp(ea->ea_idstring, "ADP7771") == 0) { printf(": %s\n", EISA_PRODUCT_ADP7771); } else { panic(": Unknown device type %s\n", ea->ea_idstring); } if (ahc_alloc(ahc, ioh, iot, ea->ea_dmat, AHC_AIC7770|AHC_EISA, AHC_AIC7770_FE, AHC_FNONE) < 0) goto free_io; ahc->channel = 'A'; ahc->channel_b = 'B'; if (ahc_reset(ahc) != 0) goto free_ahc; if (eisa_intr_map(ec, irq, &ih)) { printf("%s: couldn't map interrupt (%d)\n", ahc->sc_dev.dv_xname, irq); goto free_ahc; } /* * The IRQMS bit enables level sensitive interrupts. Only allow * IRQ sharing if it's set. * NOTE: ahc->pause is initialized in ahc_alloc(). * * Tell the user what type of interrupts we're using. * usefull for debugging irq problems */ if (ahc->pause & IRQMS) { intrtype = IST_LEVEL; intrtypestr = "level sensitive"; } else { intrtype = IST_EDGE; intrtypestr = "edge triggered"; } intrstr = eisa_intr_string(ec, ih); ahc->ih = eisa_intr_establish(ec, ih, intrtype, IPL_BIO, ahc_intr, ahc); if (ahc->ih == NULL) { printf("%s: couldn't establish %s interrupt", ahc->sc_dev.dv_xname, intrtypestr); if (intrstr != NULL) printf(" at %s", intrstr); printf("\n"); goto free_ahc; } if (intrstr != NULL) printf("%s: %s interrupting at %s\n", ahc->sc_dev.dv_xname, intrtypestr, intrstr); /* * Now that we know we own the resources we need, do the * card initialization. * * First, the aic7770 card specific setup. */ biosctrl = ahc_inb(ahc, HA_274_BIOSCTRL); scsiconf = ahc_inb(ahc, SCSICONF); scsiconf1 = ahc_inb(ahc, SCSICONF + 1); #if DEBUG for (i = TARG_SCSIRATE; i <= HA_274_BIOSCTRL; i+=8) { printf("0x%x, 0x%x, 0x%x, 0x%x, " "0x%x, 0x%x, 0x%x, 0x%x\n", ahc_inb(ahc, i), ahc_inb(ahc, i+1), ahc_inb(ahc, i+2), ahc_inb(ahc, i+3), ahc_inb(ahc, i+4), ahc_inb(ahc, i+5), ahc_inb(ahc, i+6), ahc_inb(ahc, i+7)); } #endif /* Get the primary channel information */ if ((biosctrl & CHANNEL_B_PRIMARY) != 0) ahc->flags |= AHC_CHANNEL_B_PRIMARY; if ((biosctrl & BIOSMODE) == BIOSDISABLED) { ahc->flags |= AHC_USEDEFAULTS; } else if ((ahc->features & AHC_WIDE) != 0) { ahc->our_id = scsiconf1 & HWSCSIID; if (scsiconf & TERM_ENB) ahc->flags |= AHC_TERM_ENB_A; } else { ahc->our_id = scsiconf & HSCSIID; ahc->our_id_b = scsiconf1 & HSCSIID; if (scsiconf & TERM_ENB) ahc->flags |= AHC_TERM_ENB_A; if (scsiconf1 & TERM_ENB) ahc->flags |= AHC_TERM_ENB_B; } /* * We have no way to tell, so assume extended * translation is enabled. */ ahc->flags |= AHC_EXTENDED_TRANS_A|AHC_EXTENDED_TRANS_B; /* Attach sub-devices */ if (ahc_aic77xx_attach(ahc) == 0) return; /* succeed */ /* failed */ eisa_intr_disestablish(ec, ahc->ih); free_ahc: ahc_free(ahc); free_io: bus_space_unmap(iot, ioh, AHC_EISA_IOSIZE); }