ahc_cardbus.c revision 1.12.2.3
1 /* $NetBSD: ahc_cardbus.c,v 1.12.2.3 2004/09/21 13:27:25 skrll Exp $ */ 2 3 /*- 4 * Copyright (c) 2000 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 * NASA Ames Research Center. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 /* 41 * CardBus front-end for the Adaptec AIC-7xxx family of SCSI controllers. 42 * 43 * TODO: 44 * - power management 45 */ 46 47 #include <sys/cdefs.h> 48 __KERNEL_RCSID(0, "$NetBSD: ahc_cardbus.c,v 1.12.2.3 2004/09/21 13:27:25 skrll Exp $"); 49 50 #include <sys/param.h> 51 #include <sys/systm.h> 52 #include <sys/malloc.h> 53 #include <sys/kernel.h> 54 #include <sys/queue.h> 55 #include <sys/device.h> 56 57 #include <machine/bus.h> 58 #include <machine/intr.h> 59 60 #include <dev/scsipi/scsi_all.h> 61 #include <dev/scsipi/scsipi_all.h> 62 #include <dev/scsipi/scsiconf.h> 63 64 #include <dev/pci/pcireg.h> 65 66 #include <dev/cardbus/cardbusvar.h> 67 #include <dev/pci/pcidevs.h> 68 69 #include <dev/ic/aic7xxx_osm.h> 70 #include <dev/ic/aic7xxx_inline.h> 71 72 73 #define AHC_CARDBUS_IOBA 0x10 74 #define AHC_CARDBUS_MMBA 0x14 75 76 struct ahc_cardbus_softc { 77 struct ahc_softc sc_ahc; /* real AHC */ 78 79 /* CardBus-specific goo. */ 80 cardbus_devfunc_t sc_ct; /* our CardBus devfuncs */ 81 int sc_intrline; /* our interrupt line */ 82 cardbustag_t sc_tag; 83 84 int sc_cbenable; /* what CardBus access type to enable */ 85 int sc_csr; /* CSR bits */ 86 bus_size_t sc_size; 87 }; 88 89 int ahc_cardbus_match __P((struct device *, struct cfdata *, void *)); 90 void ahc_cardbus_attach __P((struct device *, struct device *, void *)); 91 int ahc_cardbus_detach __P((struct device *, int)); 92 int ahc_activate(struct device *self, enum devact act); 93 94 CFATTACH_DECL(ahc_cardbus, sizeof(struct ahc_cardbus_softc), 95 ahc_cardbus_match, ahc_cardbus_attach, ahc_cardbus_detach, ahc_activate); 96 97 int 98 ahc_cardbus_match(parent, match, aux) 99 struct device *parent; 100 struct cfdata *match; 101 void *aux; 102 { 103 struct cardbus_attach_args *ca = aux; 104 105 if (CARDBUS_VENDOR(ca->ca_id) == PCI_VENDOR_ADP && 106 CARDBUS_PRODUCT(ca->ca_id) == PCI_PRODUCT_ADP_APA1480) 107 return (1); 108 109 return (0); 110 } 111 112 void 113 ahc_cardbus_attach(parent, self, aux) 114 struct device *parent, *self; 115 void *aux; 116 { 117 struct cardbus_attach_args *ca = aux; 118 struct ahc_cardbus_softc *csc = (void *) self; 119 struct ahc_softc *ahc = &csc->sc_ahc; 120 cardbus_devfunc_t ct = ca->ca_ct; 121 cardbus_chipset_tag_t cc = ct->ct_cc; 122 cardbus_function_tag_t cf = ct->ct_cf; 123 bus_space_tag_t bst; 124 bus_space_handle_t bsh; 125 pcireg_t reg; 126 u_int sxfrctl1 = 0; 127 u_char sblkctl; 128 129 130 csc->sc_ct = ct; 131 csc->sc_tag = ca->ca_tag; 132 csc->sc_intrline = ca->ca_intrline; 133 134 printf(": Adaptec ADP-1480 SCSI\n"); 135 136 /* 137 * Map the device. 138 */ 139 csc->sc_csr = PCI_COMMAND_MASTER_ENABLE; 140 if (Cardbus_mapreg_map(csc->sc_ct, AHC_CARDBUS_MMBA, 141 PCI_MAPREG_TYPE_MEM|PCI_MAPREG_MEM_TYPE_32BIT, 0, 142 &bst, &bsh, NULL, &csc->sc_size) == 0) { 143 csc->sc_cbenable = CARDBUS_MEM_ENABLE; 144 csc->sc_csr |= PCI_COMMAND_MEM_ENABLE; 145 } else if (Cardbus_mapreg_map(csc->sc_ct, AHC_CARDBUS_IOBA, 146 PCI_MAPREG_TYPE_IO, 0, &bst, &bsh, NULL, &csc->sc_size) == 0) { 147 csc->sc_cbenable = CARDBUS_IO_ENABLE; 148 csc->sc_csr |= PCI_COMMAND_IO_ENABLE; 149 } else { 150 printf("%s: unable to map device registers\n", 151 ahc_name(ahc)); 152 return; 153 } 154 155 /* Make sure the right access type is on the CardBus bridge. */ 156 (*ct->ct_cf->cardbus_ctrl)(cc, csc->sc_cbenable); 157 (*ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_BM_ENABLE); 158 159 /* Enable the appropriate bits in the PCI CSR. */ 160 reg = cardbus_conf_read(cc, cf, ca->ca_tag, PCI_COMMAND_STATUS_REG); 161 reg &= ~(PCI_COMMAND_IO_ENABLE|PCI_COMMAND_MEM_ENABLE); 162 reg |= csc->sc_csr; 163 cardbus_conf_write(cc, cf, ca->ca_tag, PCI_COMMAND_STATUS_REG, reg); 164 165 /* 166 * Make sure the latency timer is set to some reasonable 167 * value. 168 */ 169 reg = cardbus_conf_read(cc, cf, ca->ca_tag, PCI_BHLC_REG); 170 if (PCI_LATTIMER(reg) < 0x20) { 171 reg &= ~(PCI_LATTIMER_MASK << PCI_LATTIMER_SHIFT); 172 reg |= (0x20 << PCI_LATTIMER_SHIFT); 173 cardbus_conf_write(cc, cf, ca->ca_tag, PCI_BHLC_REG, reg); 174 } 175 176 ahc_set_name(ahc, ahc->sc_dev.dv_xname); 177 178 ahc->parent_dmat = ca->ca_dmat; 179 ahc->tag = bst; 180 ahc->bsh = bsh; 181 182 /* 183 * ADP-1480 is always an AIC-7860. 184 */ 185 ahc->chip = AHC_AIC7860 | AHC_PCI; 186 ahc->features = AHC_AIC7860_FE|AHC_REMOVABLE; 187 ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG; 188 if (PCI_REVISION(ca->ca_class) >= 1) 189 ahc->bugs |= AHC_PCI_2_1_RETRY_BUG; 190 191 if (ahc_softc_init(ahc) != 0) 192 return; 193 194 /* 195 * On all CardBus adapters, we allow SCB paging. 196 */ 197 ahc->flags = AHC_PAGESCBS; 198 199 ahc->channel = 'A'; 200 201 ahc_intr_enable(ahc, FALSE); 202 203 ahc_reset(ahc); 204 205 /* 206 * Establish the interrupt. 207 */ 208 ahc->ih = cardbus_intr_establish(cc, cf, ca->ca_intrline, IPL_BIO, 209 ahc_intr, ahc); 210 if (ahc->ih == NULL) { 211 printf("%s: unable to establish interrupt at %d\n", 212 ahc_name(ahc), ca->ca_intrline); 213 return; 214 } 215 printf("%s: interrupting at %d\n", ahc_name(ahc), ca->ca_intrline); 216 217 ahc->seep_config = malloc(sizeof(*ahc->seep_config), 218 M_DEVBUF, M_NOWAIT); 219 if (ahc->seep_config == NULL) 220 return; 221 222 ahc_check_extport(ahc, &sxfrctl1); 223 /* 224 * Take the LED out of diagnostic mode. 225 */ 226 sblkctl = ahc_inb(ahc, SBLKCTL); 227 ahc_outb(ahc, SBLKCTL, (sblkctl & ~(DIAGLEDEN|DIAGLEDON))); 228 229 /* 230 * I don't know where this is set in the SEEPROM or by the 231 * BIOS, so we default to 100%. 232 */ 233 ahc_outb(ahc, DSPCISTATUS, DFTHRSH_100); 234 235 if (ahc->flags & AHC_USEDEFAULTS) { 236 /* 237 * We can't "use defaults", as we have no way 238 * of knowing what default settings hould be. 239 */ 240 printf("%s: CardBus device requires an SEEPROM\n", 241 ahc_name(ahc)); 242 return; 243 } 244 245 printf("%s: aic7860", ahc_name(ahc)); 246 247 /* 248 * Record our termination setting for the 249 * generic initialization routine. 250 */ 251 if ((sxfrctl1 & STPWEN) != 0) 252 ahc->flags |= AHC_TERM_ENB_A; 253 254 if (ahc_init(ahc)) { 255 ahc_free(ahc); 256 return; 257 } 258 259 ahc_attach(ahc); 260 } 261 262 int 263 ahc_cardbus_detach(self, flags) 264 struct device *self; 265 int flags; 266 { 267 struct ahc_cardbus_softc *csc = (void*)self; 268 struct ahc_softc *ahc = &csc->sc_ahc; 269 270 int rv; 271 272 rv = ahc_detach((void *)ahc, flags); 273 if (rv) 274 return rv; 275 276 if (ahc->ih) { 277 cardbus_intr_disestablish(csc->sc_ct->ct_cc, 278 csc->sc_ct->ct_cf, ahc->ih); 279 ahc->ih = 0; 280 } 281 282 if (csc->sc_cbenable) { 283 if (csc->sc_cbenable == CARDBUS_MEM_ENABLE) 284 Cardbus_mapreg_unmap(csc->sc_ct, AHC_CARDBUS_MMBA, 285 ahc->tag, ahc->bsh, csc->sc_size); 286 else if (csc->sc_cbenable == CARDBUS_IO_ENABLE) 287 Cardbus_mapreg_unmap(csc->sc_ct, AHC_CARDBUS_IOBA, 288 ahc->tag, ahc->bsh, csc->sc_size); 289 csc->sc_cbenable = 0; 290 } 291 292 return (0); 293 } 294 295 296 int 297 ahc_activate(struct device *self, enum devact act) 298 { 299 struct ahc_cardbus_softc *csc = (void*)self; 300 struct ahc_softc *ahc = &csc->sc_ahc; 301 int s, rv = 0; 302 303 s = splhigh(); 304 switch (act) { 305 case DVACT_ACTIVATE: 306 rv = EOPNOTSUPP; 307 break; 308 309 case DVACT_DEACTIVATE: 310 if (ahc->sc_child != NULL) 311 rv = config_deactivate(ahc->sc_child); 312 break; 313 } 314 splx(s); 315 316 return (rv); 317 } 318
Indexes created Sun Oct 12 09:09:55 GMT 2025