hcsc.c revision 1.1
1 /* $NetBSD: hcsc.c,v 1.1 2001/05/26 23:01:19 bjh21 Exp $ */ 2 3 /* 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Mark Brinicombe of Causality Limited. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 * HCCS 8-bit SCSI driver using the generic NCR5380 driver 41 */ 42 43 #include <sys/param.h> 44 45 __KERNEL_RCSID(0, "$NetBSD: hcsc.c,v 1.1 2001/05/26 23:01:19 bjh21 Exp $"); 46 47 #include <sys/systm.h> 48 #include <sys/kernel.h> 49 #include <sys/device.h> 50 #include <sys/buf.h> 51 #include <dev/scsipi/scsi_all.h> 52 #include <dev/scsipi/scsipi_all.h> 53 #include <dev/scsipi/scsiconf.h> 54 55 #include <dev/ic/ncr5380reg.h> 56 #include <dev/ic/ncr5380var.h> 57 58 #include <machine/bootconfig.h> 59 60 #include <dev/podulebus/podulebus.h> 61 #include <dev/podulebus/podules.h> 62 63 void hcsc_attach (struct device *, struct device *, void *); 64 int hcsc_match (struct device *, struct cfdata *, void *); 65 66 /* 67 * HCCS 8-bit SCSI softc structure. 68 * 69 * Contains the generic ncr5380 device node, podule information and 70 * global information required by the driver. 71 */ 72 73 struct hcsc_softc { 74 struct ncr5380_softc sc_ncr5380; 75 void *sc_ih; 76 struct evcnt sc_intrcnt; 77 }; 78 79 struct cfattach hcsc_ca = { 80 sizeof(struct hcsc_softc), hcsc_match, hcsc_attach 81 }; 82 83 /* 84 * Card probe function 85 * 86 * Just match the manufacturer and podule ID's 87 */ 88 89 int 90 hcsc_match(struct device *parent, struct cfdata *cf, void *aux) 91 { 92 struct podulebus_attach_args *pa = aux; 93 94 if (matchpodule(pa, MANUFACTURER_HCCS, PODULE_HCCS_IDESCSI, -1) == 0) 95 return(0); 96 97 return(1); 98 } 99 100 /* 101 * Card attach function 102 * 103 */ 104 105 void 106 hcsc_attach(struct device *parent, struct device *self, void *aux) 107 { 108 struct hcsc_softc *sc = (struct hcsc_softc *)self; 109 struct podulebus_attach_args *pa = aux; 110 u_char *iobase; 111 char hi_option[sizeof(sc->sc_ncr5380.sc_dev.dv_xname) + 8]; 112 113 sc->sc_ncr5380.sc_min_dma_len = 0; 114 sc->sc_ncr5380.sc_no_disconnect = 0xff; 115 sc->sc_ncr5380.sc_parity_disable = 0xff; 116 117 sc->sc_ncr5380.sc_dma_alloc = NULL; 118 sc->sc_ncr5380.sc_dma_free = NULL; 119 sc->sc_ncr5380.sc_dma_poll = NULL; 120 sc->sc_ncr5380.sc_dma_setup = NULL; 121 sc->sc_ncr5380.sc_dma_start = NULL; 122 sc->sc_ncr5380.sc_dma_eop = NULL; 123 sc->sc_ncr5380.sc_dma_stop = NULL; 124 sc->sc_ncr5380.sc_intr_on = NULL; 125 sc->sc_ncr5380.sc_intr_off = NULL; 126 127 #ifdef NCR5380_USE_BUS_SPACE 128 sc->sc_ncr5380.sc_regt = pa->pa_fast_t; 129 bus_space_map(sc->sc_ncr5380.sc_regt, pa->pa_fast_base + 0x2000, 8, 0, 130 &sc->sc_ncr5380.sc_regh); 131 sc->sc_ncr5380.sci_r0 = 0; 132 sc->sc_ncr5380.sci_r1 = 1; 133 sc->sc_ncr5380.sci_r2 = 2; 134 sc->sc_ncr5380.sci_r3 = 3; 135 sc->sc_ncr5380.sci_r4 = 4; 136 sc->sc_ncr5380.sci_r5 = 5; 137 sc->sc_ncr5380.sci_r6 = 6; 138 sc->sc_ncr5380.sci_r7 = 7; 139 #else 140 iobase = (u_char *)pa->pa_fast_base + 0x2000; 141 sc->sc_ncr5380.sci_r0 = iobase + 0; 142 sc->sc_ncr5380.sci_r1 = iobase + 4; 143 sc->sc_ncr5380.sci_r2 = iobase + 8; 144 sc->sc_ncr5380.sci_r3 = iobase + 12; 145 sc->sc_ncr5380.sci_r4 = iobase + 16; 146 sc->sc_ncr5380.sci_r5 = iobase + 20; 147 sc->sc_ncr5380.sci_r6 = iobase + 24; 148 sc->sc_ncr5380.sci_r7 = iobase + 28; 149 #endif 150 151 sc->sc_ncr5380.sc_rev = NCR_VARIANT_DP8490; 152 153 sc->sc_ncr5380.sc_pio_in = ncr5380_pio_in; 154 sc->sc_ncr5380.sc_pio_out = ncr5380_pio_out; 155 156 /* Provide an override for the host id */ 157 sc->sc_ncr5380.sc_channel.chan_id = 7; 158 sprintf(hi_option, "%s.hostid", sc->sc_ncr5380.sc_dev.dv_xname); 159 (void)get_bootconf_option(boot_args, hi_option, 160 BOOTOPT_TYPE_INT, &sc->sc_ncr5380.sc_channel.chan_id); 161 sc->sc_ncr5380.sc_adapter.adapt_minphys = minphys; 162 163 printf(": host=%d, using 8 bit PIO\n", 164 sc->sc_ncr5380.sc_channel.chan_id); 165 166 evcnt_attach_dynamic(&sc->sc_intrcnt, EVCNT_TYPE_INTR, NULL, 167 self->dv_xname, "intr"); 168 sc->sc_ih = podulebus_irq_establish(pa->pa_ih, IPL_BIO, ncr5380_intr, 169 sc, &sc->sc_intrcnt); 170 171 ncr5380_attach(&sc->sc_ncr5380); 172 } 173
Indexes created Tue Sep 30 11:09:46 GMT 2025