/* $NetBSD: ahc_eisa.c,v 1.42 2021/01/27 04:35:15 thorpej 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 __KERNEL_RCSID(0, "$NetBSD: ahc_eisa.c,v 1.42 2021/01/27 04:35:15 thorpej Exp $"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include static int ahc_eisa_match(device_t, cfdata_t, void *); static void ahc_eisa_attach(device_t, device_t, void *); CFATTACH_DECL_NEW(ahc_eisa, sizeof(struct ahc_softc), ahc_eisa_match, ahc_eisa_attach, NULL, NULL); static const struct device_compatible_entry compat_data[] = { { .compat = "ADP7770", .data = EISA_PRODUCT_ADP7770 }, { .compat = "ADP7771", .data = EISA_PRODUCT_ADP7771 }, DEVICE_COMPAT_EOL }; /* * Check the slots looking for a board we recognise * If we find one, note its address (slot) and call * the actual probe routine to check it out. */ static int ahc_eisa_match(device_t parent, cfdata_t match, void *aux) { struct eisa_attach_args *ea = aux; bus_space_tag_t iot = ea->ea_iot; bus_space_handle_t ioh; int irq; if (!eisa_compatible_match(ea, compat_data)) 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); } static void ahc_eisa_attach(device_t parent, device_t self, void *aux) { struct ahc_softc *ahc = device_private(self); struct eisa_attach_args *ea = aux; const struct device_compatible_entry *dce; 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; u_char intdef; #ifdef AHC_DEBUG int i; #endif char intrbuf[EISA_INTRSTR_LEN]; ahc->sc_dev = self; dce = eisa_compatible_lookup(ea, compat_data); KASSERT(dce != NULL); if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot) + AHC_EISA_SLOT_OFFSET, AHC_EISA_IOSIZE, 0, &ioh)) { aprint_error_dev(ahc->sc_dev, "could not map I/O addresses"); return; } if ((irq = ahc_aic77xx_irq(iot, ioh)) < 0) { aprint_error_dev(ahc->sc_dev, "ahc_aic77xx_irq failed!"); goto free_io; } printf(": %s\n", (const char *)dce->data); ahc_set_name(ahc, device_xname(ahc->sc_dev)); ahc->parent_dmat = ea->ea_dmat; ahc->chip = AHC_AIC7770|AHC_EISA; ahc->features = AHC_AIC7770_FE; ahc->flags = AHC_PAGESCBS; ahc->bugs = AHC_TMODE_WIDEODD_BUG; ahc->tag = iot; ahc->bsh = ioh; ahc->channel = 'A'; if (ahc_softc_init(ahc) != 0) goto free_io; ahc_intr_enable(ahc, FALSE); if (ahc_reset(ahc) != 0) goto free_io; if (eisa_intr_map(ec, irq, &ih)) { aprint_error_dev(ahc->sc_dev, "couldn't map interrupt (%d)\n", irq); goto free_io; } intdef = bus_space_read_1(iot, ioh, INTDEF); if (intdef & EDGE_TRIG) { intrtype = IST_EDGE; intrtypestr = "edge triggered"; } else { intrtype = IST_LEVEL; intrtypestr = "level sensitive"; } intrstr = eisa_intr_string(ec, ih, intrbuf, sizeof(intrbuf)); ahc->ih = eisa_intr_establish(ec, ih, intrtype, IPL_BIO, ahc_intr, ahc); if (ahc->ih == NULL) { aprint_error_dev(ahc->sc_dev, "couldn't establish %s interrupt", intrtypestr); if (intrstr != NULL) aprint_error(" at %s", intrstr); aprint_error("\n"); goto free_io; } if (intrstr != NULL) aprint_normal_dev(ahc->sc_dev, "%s interrupting at %s\n", 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); #ifdef AHC_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_PRIMARY_CHANNEL; 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; } if ((ahc_inb(ahc, HA_274_BIOSGLOBAL) & HA_274_EXTENDED_TRANS)) 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_io: bus_space_unmap(iot, ioh, AHC_EISA_IOSIZE); }