nca_pcmcia.c revision 1.23
1 /* $NetBSD: nca_pcmcia.c,v 1.23 2008/04/04 16:19:51 tsutsui Exp $ */ 2 3 /*- 4 * Copyright (c) 2000, 2004 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Charles M. Hannum. 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 #include <sys/cdefs.h> 40 __KERNEL_RCSID(0, "$NetBSD: nca_pcmcia.c,v 1.23 2008/04/04 16:19:51 tsutsui Exp $"); 41 42 #include <sys/param.h> 43 #include <sys/systm.h> 44 #include <sys/device.h> 45 #include <sys/buf.h> 46 47 #include <sys/bus.h> 48 #include <sys/intr.h> 49 50 #include <dev/scsipi/scsi_all.h> 51 #include <dev/scsipi/scsipi_all.h> 52 #include <dev/scsipi/scsiconf.h> 53 54 #include <dev/pcmcia/pcmciareg.h> 55 #include <dev/pcmcia/pcmciavar.h> 56 #include <dev/pcmcia/pcmciadevs.h> 57 58 #include <dev/ic/ncr5380reg.h> 59 #include <dev/ic/ncr5380var.h> 60 #include <dev/ic/ncr53c400reg.h> 61 62 struct nca_pcmcia_softc { 63 struct ncr5380_softc sc_ncr5380; /* glue to MI code */ 64 65 /* PCMCIA-specific goo. */ 66 struct pcmcia_function *sc_pf; /* our PCMCIA function */ 67 void *sc_ih; /* interrupt handler */ 68 69 int sc_state; 70 #define NCA_PCMCIA_ATTACHED 3 71 }; 72 73 int nca_pcmcia_match(device_t, cfdata_t, void *); 74 int nca_pcmcia_validate_config(struct pcmcia_config_entry *); 75 void nca_pcmcia_attach(device_t, device_t, void *); 76 int nca_pcmcia_detach(device_t, int); 77 int nca_pcmcia_enable(device_t, int); 78 79 CFATTACH_DECL_NEW(nca_pcmcia, sizeof(struct nca_pcmcia_softc), 80 nca_pcmcia_match, nca_pcmcia_attach, nca_pcmcia_detach, NULL); 81 82 #define MIN_DMA_LEN 128 83 84 /* Options for disconnect/reselect, DMA, and interrupts. */ 85 #define NCA_NO_DISCONNECT 0x00ff 86 #define NCA_NO_PARITY_CHK 0xff00 87 88 const struct pcmcia_product nca_pcmcia_products[] = { 89 { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID, 90 PCMCIA_CIS_INVALID }, 91 }; 92 const size_t nca_pcmcia_nproducts = 93 __arraycount(nca_pcmcia_products); 94 95 int 96 nca_pcmcia_match(device_t parent, cfdata_t cf, void *aux) 97 { 98 struct pcmcia_attach_args *pa = aux; 99 100 if (pcmcia_product_lookup(pa, nca_pcmcia_products, nca_pcmcia_nproducts, 101 sizeof(nca_pcmcia_products[0]), NULL)) 102 return 1; 103 return 0; 104 } 105 106 int 107 nca_pcmcia_validate_config(struct pcmcia_config_entry *cfe) 108 { 109 110 if (cfe->iftype != PCMCIA_IFTYPE_IO || 111 cfe->num_memspace != 0 || 112 cfe->num_iospace != 1) 113 return EINVAL; 114 return 0; 115 } 116 117 void 118 nca_pcmcia_attach(device_t parent, device_t self, void *aux) 119 { 120 struct nca_pcmcia_softc *esc = device_private(self); 121 struct ncr5380_softc *sc = &esc->sc_ncr5380; 122 struct pcmcia_attach_args *pa = aux; 123 struct pcmcia_config_entry *cfe; 124 struct pcmcia_function *pf = pa->pf; 125 int flags; 126 int error; 127 128 sc->sc_dev = self; 129 esc->sc_pf = pf; 130 131 error = pcmcia_function_configure(pf, nca_pcmcia_validate_config); 132 if (error) { 133 aprint_error_dev(self, "configure failed, error=%d\n", error); 134 return; 135 } 136 137 cfe = pf->cfe; 138 sc->sc_regt = cfe->iospace[0].handle.iot; 139 sc->sc_regh = cfe->iospace[0].handle.ioh; 140 141 /* Initialize 5380 compatible register offsets. */ 142 sc->sci_r0 = C400_5380_REG_OFFSET + 0; 143 sc->sci_r1 = C400_5380_REG_OFFSET + 1; 144 sc->sci_r2 = C400_5380_REG_OFFSET + 2; 145 sc->sci_r3 = C400_5380_REG_OFFSET + 3; 146 sc->sci_r4 = C400_5380_REG_OFFSET + 4; 147 sc->sci_r5 = C400_5380_REG_OFFSET + 5; 148 sc->sci_r6 = C400_5380_REG_OFFSET + 6; 149 sc->sci_r7 = C400_5380_REG_OFFSET + 7; 150 151 sc->sc_rev = NCR_VARIANT_NCR53C400; 152 153 /* 154 * MD function pointers used by the MI code. 155 */ 156 sc->sc_pio_out = ncr5380_pio_out; 157 sc->sc_pio_in = ncr5380_pio_in; 158 sc->sc_dma_alloc = NULL; 159 sc->sc_dma_free = NULL; 160 sc->sc_dma_setup = NULL; 161 sc->sc_dma_start = NULL; 162 sc->sc_dma_poll = NULL; 163 sc->sc_dma_eop = NULL; 164 sc->sc_dma_stop = NULL; 165 sc->sc_intr_on = NULL; 166 sc->sc_intr_off = NULL; 167 168 /* 169 * Support the "options" (config file flags). 170 * Disconnect/reselect is a per-target mask. 171 * Interrupts and DMA are per-controller. 172 */ 173 #if 0 174 flags = 0x0000; /* no options */ 175 #else 176 flags = 0xffff; /* all options except force poll */ 177 #endif 178 179 sc->sc_no_disconnect = (flags & NCA_NO_DISCONNECT); 180 sc->sc_parity_disable = (flags & NCA_NO_PARITY_CHK) >> 8; 181 sc->sc_min_dma_len = MIN_DMA_LEN; 182 183 error = nca_pcmcia_enable(self, 1); 184 if (error) 185 goto fail; 186 187 sc->sc_adapter.adapt_enable = nca_pcmcia_enable; 188 sc->sc_adapter.adapt_refcnt = 1; 189 190 ncr5380_attach(sc); 191 scsipi_adapter_delref(&sc->sc_adapter); 192 esc->sc_state = NCA_PCMCIA_ATTACHED; 193 return; 194 195 fail: 196 pcmcia_function_unconfigure(pf); 197 } 198 199 int 200 nca_pcmcia_detach(device_t self, int flags) 201 { 202 struct nca_pcmcia_softc *sc = device_private(self); 203 int error; 204 205 if (sc->sc_state != NCA_PCMCIA_ATTACHED) 206 return 0; 207 208 error = ncr5380_detach(&sc->sc_ncr5380, flags); 209 if (error) 210 return error; 211 212 pcmcia_function_unconfigure(sc->sc_pf); 213 214 return 0; 215 } 216 217 int 218 nca_pcmcia_enable(device_t self, int onoff) 219 { 220 struct nca_pcmcia_softc *sc = device_private(self); 221 int error; 222 223 if (onoff) { 224 /* Establish the interrupt handler. */ 225 sc->sc_ih = pcmcia_intr_establish(sc->sc_pf, IPL_BIO, 226 ncr5380_intr, &sc->sc_ncr5380); 227 if (sc->sc_ih == NULL) 228 return EIO; 229 230 error = pcmcia_function_enable(sc->sc_pf); 231 if (error) { 232 pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih); 233 sc->sc_ih = 0; 234 return error; 235 } 236 237 /* Initialize only chip. */ 238 ncr5380_init(&sc->sc_ncr5380); 239 } else { 240 pcmcia_function_disable(sc->sc_pf); 241 pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih); 242 sc->sc_ih = 0; 243 } 244 245 return 0; 246 } 247
Indexes created Mon Oct 27 16:09:52 GMT 2025