/* $NetBSD: csa.c,v 1.4 1998/11/19 21:44:59 thorpej Exp $ */ /* * Copyright (c) 1998 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Mark Brinicombe of Causality Limited. * * 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. * 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. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the NetBSD * Foundation, Inc. and its contributors. * 4. Neither the name of The NetBSD Foundation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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. */ /* * Cumana SCSI 1 driver using the generic NCR5380 driver */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define CSA_NCR5380_OFFSET 0x2100 #define CSA_CTRL_OFFSET 0x2000 - 2308 #define CSA_DIRWRITE 0x02 #define CSA_DIRREAD 0x00 #define CSA_16BITS 0x00 #define CSA_8BITS 0x10 #define CSA_XXX 0x40 #define CSA_DATA_OFFSET 0x2000 #define CSA_INTR_OFFSET 0x2000 #define CSA_INTR_MASK 0x80 #define CSA_STAT_OFFSET 0x2004 #define CSA_STAT_DRQ 0x40 #define CSA_STAT_END 0x80 void csa_attach __P((struct device *, struct device *, void *)); int csa_match __P((struct device *, struct cfdata *, void *)); static void csa_minphys __P((struct buf *bp)); struct scsipi_device csa_scsidev = { NULL, /* use default error handler */ NULL, /* do not have a start functio */ NULL, /* have no async handler */ NULL, /* Use default done routine */ }; /* * Cumana SCSI 1 softc structure. * * Contains the generic ncr5380 device node, podule information and global information * required by the driver. */ struct csa_softc { struct ncr5380_softc sc_ncr5380; void *sc_ih; int sc_podule_number; podule_t *sc_podule; volatile u_char *sc_irqstatus; u_char sc_irqmask; volatile u_char *sc_ctrl; volatile u_char *sc_status; volatile u_char *sc_data; }; struct cfattach csa_ca = { sizeof(struct csa_softc), csa_match, csa_attach }; int csa_intr __P((void *arg)); /* * Card probe function * * Just match the manufacturer and podule ID's */ int csa_match(parent, cf, aux) struct device *parent; struct cfdata *cf; void *aux; { struct podule_attach_args *pa = aux; if (matchpodule(pa, MANUFACTURER_CUMANA, PODULE_CUMANA_SCSI1, -1) == 0) return(0); return(1); } /* * Card attach function * */ void csa_attach(parent, self, aux) struct device *parent, *self; void *aux; { struct csa_softc *sc = (struct csa_softc *)self; struct podule_attach_args *pa = aux; u_char *iobase; char hi_option[sizeof(sc->sc_ncr5380.sc_dev.dv_xname) + 8]; /* Note the podule number and validate */ if (pa->pa_podule_number == -1) panic("Podule has disappeared !"); sc->sc_podule_number = pa->pa_podule_number; sc->sc_podule = pa->pa_podule; podules[sc->sc_podule_number].attached = 1; sc->sc_ncr5380.sc_flags |= NCR5380_FORCE_POLLING; sc->sc_ncr5380.sc_min_dma_len = 0; sc->sc_ncr5380.sc_no_disconnect = 0x00; sc->sc_ncr5380.sc_parity_disable = 0x00; sc->sc_ncr5380.sc_dma_alloc = NULL; sc->sc_ncr5380.sc_dma_free = NULL; sc->sc_ncr5380.sc_dma_poll = NULL; sc->sc_ncr5380.sc_dma_setup = NULL; sc->sc_ncr5380.sc_dma_start = NULL; sc->sc_ncr5380.sc_dma_eop = NULL; sc->sc_ncr5380.sc_dma_stop = NULL; sc->sc_ncr5380.sc_intr_on = NULL; sc->sc_ncr5380.sc_intr_off = NULL; iobase = (u_char *)pa->pa_podule->slow_base + CSA_NCR5380_OFFSET; sc->sc_ncr5380.sci_r0 = iobase + 0; sc->sc_ncr5380.sci_r1 = iobase + 4; sc->sc_ncr5380.sci_r2 = iobase + 8; sc->sc_ncr5380.sci_r3 = iobase + 12; sc->sc_ncr5380.sci_r4 = iobase + 16; sc->sc_ncr5380.sci_r5 = iobase + 20; sc->sc_ncr5380.sci_r6 = iobase + 24; sc->sc_ncr5380.sci_r7 = iobase + 28; sc->sc_ctrl = (u_char *)pa->pa_podule->slow_base + CSA_CTRL_OFFSET; sc->sc_status = (u_char *)pa->pa_podule->slow_base + CSA_STAT_OFFSET; sc->sc_data = (u_char *)pa->pa_podule->slow_base + CSA_DATA_OFFSET; sc->sc_ncr5380.sc_pio_in = ncr5380_pio_in; sc->sc_ncr5380.sc_pio_out = ncr5380_pio_out; sc->sc_ncr5380.sc_adapter.scsipi_cmd = ncr5380_scsi_cmd; sc->sc_ncr5380.sc_adapter.scsipi_minphys = csa_minphys; sc->sc_ncr5380.sc_link.scsipi_scsi.channel = SCSI_CHANNEL_ONLY_ONE; sc->sc_ncr5380.sc_link.adapter_softc = sc; sc->sc_ncr5380.sc_link.scsipi_scsi.adapter_target = 7; sc->sc_ncr5380.sc_link.adapter = &sc->sc_ncr5380.sc_adapter; sc->sc_ncr5380.sc_link.device = &csa_scsidev; /* Provide an override for the host id */ sprintf(hi_option, "%s.hostid", sc->sc_ncr5380.sc_dev.dv_xname); (void)get_bootconf_option(boot_args, hi_option, BOOTOPT_TYPE_INT, &sc->sc_ncr5380.sc_link.scsipi_scsi.adapter_target); printf(" host=%d, using 8 bit PIO", sc->sc_ncr5380.sc_link.scsipi_scsi.adapter_target); sc->sc_irqstatus = (u_char *)pa->pa_podule->slow_base + CSA_INTR_OFFSET; sc->sc_irqmask = CSA_INTR_MASK; sc->sc_ih = intr_claim(pa->pa_podule->interrupt, IPL_BIO, "csa", csa_intr, sc); if (sc->sc_ih == NULL) sc->sc_ncr5380.sc_flags |= NCR5380_FORCE_POLLING; if (sc->sc_ncr5380.sc_flags & NCR5380_FORCE_POLLING) printf(", polling"); printf("\n"); *sc->sc_ctrl = 0; ncr5380_init(&sc->sc_ncr5380); ncr5380_reset_scsibus(&sc->sc_ncr5380); config_found(&sc->sc_ncr5380.sc_dev, &sc->sc_ncr5380.sc_link, scsiprint); } static void csa_minphys(bp) struct buf *bp; { return(minphys(bp)); } int csa_intr(arg) void *arg; { struct csa_softc *sc = arg; if ((*sc->sc_irqstatus) & sc->sc_irqmask) (void)ncr5380_intr(&sc->sc_ncr5380); return(0); }