ahc_cardbus.c revision 1.21
1 /* $NetBSD: ahc_cardbus.c,v 1.21 2006/11/16 01:32:48 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 2000, 2005 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 1.21 2006/11/16 01:32:48 christos Exp $"); 49 50 #include "opt_ahc_cardbus.h" 51 52 #include <sys/param.h> 53 #include <sys/systm.h> 54 #include <sys/malloc.h> 55 #include <sys/kernel.h> 56 #include <sys/queue.h> 57 #include <sys/device.h> 58 59 #include <machine/bus.h> 60 #include <machine/intr.h> 61 62 #include <dev/scsipi/scsi_all.h> 63 #include <dev/scsipi/scsipi_all.h> 64 #include <dev/scsipi/scsiconf.h> 65 66 #include <dev/pci/pcireg.h> 67 68 #include <dev/cardbus/cardbusvar.h> 69 #include <dev/pci/pcidevs.h> 70 71 #include <dev/ic/aic7xxx_osm.h> 72 #include <dev/ic/aic7xxx_inline.h> 73 74 75 #ifndef AHC_CARDBUS_DEFAULT_SCSI_ID 76 #define AHC_CARDBUS_DEFAULT_SCSI_ID 0x7 77 #endif 78 79 #define AHC_CARDBUS_IOBA 0x10 80 #define AHC_CARDBUS_MMBA 0x14 81 82 struct ahc_cardbus_softc { 83 struct ahc_softc sc_ahc; /* real AHC */ 84 85 /* CardBus-specific goo. */ 86 cardbus_devfunc_t sc_ct; /* our CardBus devfuncs */ 87 int sc_intrline; /* our interrupt line */ 88 cardbustag_t sc_tag; 89 90 int sc_cbenable; /* what CardBus access type to enable */ 91 int sc_csr; /* CSR bits */ 92 bus_size_t sc_size; 93 }; 94 95 int ahc_cardbus_match(struct device *, struct cfdata *, void *); 96 void ahc_cardbus_attach(struct device *, struct device *, void *); 97 int ahc_cardbus_detach(struct device *, int); 98 int ahc_activate(struct device *self, enum devact act); 99 100 CFATTACH_DECL(ahc_cardbus, sizeof(struct ahc_cardbus_softc), 101 ahc_cardbus_match, ahc_cardbus_attach, ahc_cardbus_detach, ahc_activate); 102 103 int 104 ahc_cardbus_match(struct device *parent, struct cfdata *match, 105 void *aux) 106 { 107 struct cardbus_attach_args *ca = aux; 108 109 if (CARDBUS_VENDOR(ca->ca_id) == PCI_VENDOR_ADP && 110 CARDBUS_PRODUCT(ca->ca_id) == PCI_PRODUCT_ADP_APA1480) 111 return (1); 112 113 return (0); 114 } 115 116 void 117 ahc_cardbus_attach(struct device *parent, struct device *self, 118 void *aux) 119 { 120 struct cardbus_attach_args *ca = aux; 121 struct ahc_cardbus_softc *csc = device_private(self); 122 struct ahc_softc *ahc = &csc->sc_ahc; 123 cardbus_devfunc_t ct = ca->ca_ct; 124 cardbus_chipset_tag_t cc = ct->ct_cc; 125 cardbus_function_tag_t cf = ct->ct_cf; 126 bus_space_tag_t bst; 127 bus_space_handle_t bsh; 128 pcireg_t reg; 129 u_int sxfrctl1 = 0; 130 u_char sblkctl; 131 132 133 csc->sc_ct = ct; 134 csc->sc_tag = ca->ca_tag; 135 csc->sc_intrline = ca->ca_intrline; 136 137 printf(": Adaptec ADP-1480 SCSI\n"); 138 139 /* 140 * Map the device. 141 */ 142 csc->sc_csr = PCI_COMMAND_MASTER_ENABLE; 143 if (Cardbus_mapreg_map(csc->sc_ct, AHC_CARDBUS_MMBA, 144 PCI_MAPREG_TYPE_MEM|PCI_MAPREG_MEM_TYPE_32BIT, 0, 145 &bst, &bsh, NULL, &csc->sc_size) == 0) { 146 csc->sc_cbenable = CARDBUS_MEM_ENABLE; 147 csc->sc_csr |= PCI_COMMAND_MEM_ENABLE; 148 } else if (Cardbus_mapreg_map(csc->sc_ct, AHC_CARDBUS_IOBA, 149 PCI_MAPREG_TYPE_IO, 0, &bst, &bsh, NULL, &csc->sc_size) == 0) { 150 csc->sc_cbenable = CARDBUS_IO_ENABLE; 151 csc->sc_csr |= PCI_COMMAND_IO_ENABLE; 152 } else { 153 printf("%s: unable to map device registers\n", 154 ahc_name(ahc)); 155 return; 156 } 157 158 /* Make sure the right access type is on the CardBus bridge. */ 159 (*ct->ct_cf->cardbus_ctrl)(cc, csc->sc_cbenable); 160 (*ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_BM_ENABLE); 161 162 /* Enable the appropriate bits in the PCI CSR. */ 163 reg = cardbus_conf_read(cc, cf, ca->ca_tag, PCI_COMMAND_STATUS_REG); 164 reg &= ~(PCI_COMMAND_IO_ENABLE|PCI_COMMAND_MEM_ENABLE); 165 reg |= csc->sc_csr; 166 cardbus_conf_write(cc, cf, ca->ca_tag, PCI_COMMAND_STATUS_REG, reg); 167 168 /* 169 * Make sure the latency timer is set to some reasonable 170 * value. 171 */ 172 reg = cardbus_conf_read(cc, cf, ca->ca_tag, PCI_BHLC_REG); 173 if (PCI_LATTIMER(reg) < 0x20) { 174 reg &= ~(PCI_LATTIMER_MASK << PCI_LATTIMER_SHIFT); 175 reg |= (0x20 << PCI_LATTIMER_SHIFT); 176 cardbus_conf_write(cc, cf, ca->ca_tag, PCI_BHLC_REG, reg); 177 } 178 179 ahc_set_name(ahc, ahc->sc_dev.dv_xname); 180 181 ahc->parent_dmat = ca->ca_dmat; 182 ahc->tag = bst; 183 ahc->bsh = bsh; 184 185 /* 186 * ADP-1480 is always an AIC-7860. 187 */ 188 ahc->chip = AHC_AIC7860 | AHC_PCI; 189 ahc->features = AHC_AIC7860_FE|AHC_REMOVABLE; 190 ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG; 191 if (PCI_REVISION(ca->ca_class) >= 1) 192 ahc->bugs |= AHC_PCI_2_1_RETRY_BUG; 193 194 if (ahc_softc_init(ahc) != 0) 195 return; 196 197 /* 198 * On all CardBus adapters, we allow SCB paging. 199 */ 200 ahc->flags = AHC_PAGESCBS; 201 202 ahc->channel = 'A'; 203 204 ahc_intr_enable(ahc, FALSE); 205 206 ahc_reset(ahc); 207 208 /* 209 * Establish the interrupt. 210 */ 211 ahc->ih = cardbus_intr_establish(cc, cf, ca->ca_intrline, IPL_BIO, 212 ahc_intr, ahc); 213 if (ahc->ih == NULL) { 214 printf("%s: unable to establish interrupt at %d\n", 215 ahc_name(ahc), ca->ca_intrline); 216 return; 217 } 218 printf("%s: interrupting at %d\n", ahc_name(ahc), ca->ca_intrline); 219 220 ahc->seep_config = malloc(sizeof(*ahc->seep_config), 221 M_DEVBUF, M_NOWAIT); 222 if (ahc->seep_config == NULL) 223 return; 224 225 ahc_check_extport(ahc, &sxfrctl1); 226 /* 227 * Take the LED out of diagnostic mode. 228 */ 229 sblkctl = ahc_inb(ahc, SBLKCTL); 230 ahc_outb(ahc, SBLKCTL, (sblkctl & ~(DIAGLEDEN|DIAGLEDON))); 231 232 /* 233 * I don't know where this is set in the SEEPROM or by the 234 * BIOS, so we default to 100%. 235 */ 236 ahc_outb(ahc, DSPCISTATUS, DFTHRSH_100); 237 238 if (ahc->flags & AHC_USEDEFAULTS) { 239 int our_id; 240 /* 241 * Assume only one connector and always turn 242 * on termination. 243 */ 244 our_id = AHC_CARDBUS_DEFAULT_SCSI_ID; 245 sxfrctl1 = STPWEN; 246 ahc_outb(ahc, SCSICONF, our_id | ENSPCHK | RESET_SCSI); 247 ahc->our_id = our_id; 248 } 249 250 printf("%s: aic7860", ahc_name(ahc)); 251 252 /* 253 * Record our termination setting for the 254 * generic initialization routine. 255 */ 256 if ((sxfrctl1 & STPWEN) != 0) 257 ahc->flags |= AHC_TERM_ENB_A; 258 259 if (ahc_init(ahc)) { 260 ahc_free(ahc); 261 return; 262 } 263 264 ahc_attach(ahc); 265 } 266 267 int 268 ahc_cardbus_detach(self, flags) 269 struct device *self; 270 int flags; 271 { 272 struct ahc_cardbus_softc *csc = device_private(self); 273 struct ahc_softc *ahc = &csc->sc_ahc; 274 275 int rv; 276 277 rv = ahc_detach((void *)ahc, flags); 278 if (rv) 279 return rv; 280 281 if (ahc->ih) { 282 cardbus_intr_disestablish(csc->sc_ct->ct_cc, 283 csc->sc_ct->ct_cf, ahc->ih); 284 ahc->ih = 0; 285 } 286 287 if (csc->sc_cbenable) { 288 if (csc->sc_cbenable == CARDBUS_MEM_ENABLE) 289 Cardbus_mapreg_unmap(csc->sc_ct, AHC_CARDBUS_MMBA, 290 ahc->tag, ahc->bsh, csc->sc_size); 291 else if (csc->sc_cbenable == CARDBUS_IO_ENABLE) 292 Cardbus_mapreg_unmap(csc->sc_ct, AHC_CARDBUS_IOBA, 293 ahc->tag, ahc->bsh, csc->sc_size); 294 csc->sc_cbenable = 0; 295 } 296 297 return (0); 298 } 299 300 301 int 302 ahc_activate(struct device *self, enum devact act) 303 { 304 struct ahc_cardbus_softc *csc = (void*)self; 305 struct ahc_softc *ahc = &csc->sc_ahc; 306 int s, rv = 0; 307 308 s = splhigh(); 309 switch (act) { 310 case DVACT_ACTIVATE: 311 rv = EOPNOTSUPP; 312 break; 313 314 case DVACT_DEACTIVATE: 315 if (ahc->sc_child != NULL) 316 rv = config_deactivate(ahc->sc_child); 317 break; 318 } 319 splx(s); 320 321 return (rv); 322 } 323
Indexes created Sun Oct 12 09:09:55 GMT 2025