ahc_cardbus.c revision 1.27
1 /* $NetBSD: ahc_cardbus.c,v 1.27 2009/05/05 09:51:23 cegger 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 * 20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 /* 34 * CardBus front-end for the Adaptec AIC-7xxx family of SCSI controllers. 35 * 36 * TODO: 37 * - power management 38 */ 39 40 #include <sys/cdefs.h> 41 __KERNEL_RCSID(0, "$NetBSD: ahc_cardbus.c,v 1.27 2009/05/05 09:51:23 cegger Exp $"); 42 43 #include "opt_ahc_cardbus.h" 44 45 #include <sys/param.h> 46 #include <sys/systm.h> 47 #include <sys/malloc.h> 48 #include <sys/kernel.h> 49 #include <sys/queue.h> 50 #include <sys/device.h> 51 52 #include <sys/bus.h> 53 #include <sys/intr.h> 54 55 #include <dev/scsipi/scsi_all.h> 56 #include <dev/scsipi/scsipi_all.h> 57 #include <dev/scsipi/scsiconf.h> 58 59 #include <dev/pci/pcireg.h> 60 61 #include <dev/cardbus/cardbusvar.h> 62 #include <dev/pci/pcidevs.h> 63 64 #include <dev/ic/aic7xxx_osm.h> 65 #include <dev/ic/aic7xxx_inline.h> 66 67 68 #ifndef AHC_CARDBUS_DEFAULT_SCSI_ID 69 #define AHC_CARDBUS_DEFAULT_SCSI_ID 0x7 70 #endif 71 72 #define AHC_CARDBUS_IOBA 0x10 73 #define AHC_CARDBUS_MMBA 0x14 74 75 struct ahc_cardbus_softc { 76 struct ahc_softc sc_ahc; /* real AHC */ 77 78 /* CardBus-specific goo. */ 79 cardbus_devfunc_t sc_ct; /* our CardBus devfuncs */ 80 cardbus_intr_line_t sc_intrline; /* our interrupt line */ 81 cardbustag_t sc_tag; 82 83 int sc_cbenable; /* what CardBus access type to enable */ 84 int sc_csr; /* CSR bits */ 85 bus_size_t sc_size; 86 }; 87 88 int ahc_cardbus_match(device_t, cfdata_t, void *); 89 void ahc_cardbus_attach(device_t, device_t, void *); 90 int ahc_cardbus_detach(device_t, int); 91 int ahc_activate(device_t self, enum devact act); 92 93 CFATTACH_DECL_NEW(ahc_cardbus, sizeof(struct ahc_cardbus_softc), 94 ahc_cardbus_match, ahc_cardbus_attach, ahc_cardbus_detach, ahc_activate); 95 96 int 97 ahc_cardbus_match(device_t parent, cfdata_t match, void *aux) 98 { 99 struct cardbus_attach_args *ca = aux; 100 101 if (CARDBUS_VENDOR(ca->ca_id) == PCI_VENDOR_ADP && 102 CARDBUS_PRODUCT(ca->ca_id) == PCI_PRODUCT_ADP_APA1480) 103 return (1); 104 105 return (0); 106 } 107 108 void 109 ahc_cardbus_attach(device_t parent, device_t self, void *aux) 110 { 111 struct cardbus_attach_args *ca = aux; 112 struct ahc_cardbus_softc *csc = device_private(self); 113 struct ahc_softc *ahc = &csc->sc_ahc; 114 cardbus_devfunc_t ct = ca->ca_ct; 115 cardbus_chipset_tag_t cc = ct->ct_cc; 116 cardbus_function_tag_t cf = ct->ct_cf; 117 bus_space_tag_t bst; 118 bus_space_handle_t bsh; 119 pcireg_t reg; 120 u_int sxfrctl1 = 0; 121 u_char sblkctl; 122 123 124 ahc->sc_dev = self; 125 csc->sc_ct = ct; 126 csc->sc_tag = ca->ca_tag; 127 csc->sc_intrline = ca->ca_intrline; 128 129 printf(": Adaptec ADP-1480 SCSI\n"); 130 131 /* 132 * Map the device. 133 */ 134 csc->sc_csr = PCI_COMMAND_MASTER_ENABLE; 135 if (Cardbus_mapreg_map(csc->sc_ct, AHC_CARDBUS_MMBA, 136 PCI_MAPREG_TYPE_MEM|PCI_MAPREG_MEM_TYPE_32BIT, 0, 137 &bst, &bsh, NULL, &csc->sc_size) == 0) { 138 csc->sc_cbenable = CARDBUS_MEM_ENABLE; 139 csc->sc_csr |= PCI_COMMAND_MEM_ENABLE; 140 } else if (Cardbus_mapreg_map(csc->sc_ct, AHC_CARDBUS_IOBA, 141 PCI_MAPREG_TYPE_IO, 0, &bst, &bsh, NULL, &csc->sc_size) == 0) { 142 csc->sc_cbenable = CARDBUS_IO_ENABLE; 143 csc->sc_csr |= PCI_COMMAND_IO_ENABLE; 144 } else { 145 printf("%s: unable to map device registers\n", 146 ahc_name(ahc)); 147 return; 148 } 149 150 /* Make sure the right access type is on the CardBus bridge. */ 151 (*ct->ct_cf->cardbus_ctrl)(cc, csc->sc_cbenable); 152 (*ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_BM_ENABLE); 153 154 /* Enable the appropriate bits in the PCI CSR. */ 155 reg = cardbus_conf_read(cc, cf, ca->ca_tag, PCI_COMMAND_STATUS_REG); 156 reg &= ~(PCI_COMMAND_IO_ENABLE|PCI_COMMAND_MEM_ENABLE); 157 reg |= csc->sc_csr; 158 cardbus_conf_write(cc, cf, ca->ca_tag, PCI_COMMAND_STATUS_REG, reg); 159 160 /* 161 * Make sure the latency timer is set to some reasonable 162 * value. 163 */ 164 reg = cardbus_conf_read(cc, cf, ca->ca_tag, PCI_BHLC_REG); 165 if (PCI_LATTIMER(reg) < 0x20) { 166 reg &= ~(PCI_LATTIMER_MASK << PCI_LATTIMER_SHIFT); 167 reg |= (0x20 << PCI_LATTIMER_SHIFT); 168 cardbus_conf_write(cc, cf, ca->ca_tag, PCI_BHLC_REG, reg); 169 } 170 171 ahc_set_name(ahc, device_xname(ahc->sc_dev)); 172 173 ahc->parent_dmat = ca->ca_dmat; 174 ahc->tag = bst; 175 ahc->bsh = bsh; 176 177 /* 178 * ADP-1480 is always an AIC-7860. 179 */ 180 ahc->chip = AHC_AIC7860 | AHC_PCI; 181 ahc->features = AHC_AIC7860_FE|AHC_REMOVABLE; 182 ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG; 183 if (PCI_REVISION(ca->ca_class) >= 1) 184 ahc->bugs |= AHC_PCI_2_1_RETRY_BUG; 185 186 if (ahc_softc_init(ahc) != 0) 187 return; 188 189 /* 190 * On all CardBus adapters, we allow SCB paging. 191 */ 192 ahc->flags = AHC_PAGESCBS; 193 194 ahc->channel = 'A'; 195 196 ahc_intr_enable(ahc, FALSE); 197 198 ahc_reset(ahc); 199 200 /* 201 * Establish the interrupt. 202 */ 203 ahc->ih = cardbus_intr_establish(cc, cf, ca->ca_intrline, IPL_BIO, 204 ahc_intr, ahc); 205 if (ahc->ih == NULL) { 206 printf("%s: unable to establish interrupt\n", 207 ahc_name(ahc)); 208 return; 209 } 210 211 ahc->seep_config = malloc(sizeof(*ahc->seep_config), 212 M_DEVBUF, M_NOWAIT); 213 if (ahc->seep_config == NULL) 214 return; 215 216 ahc_check_extport(ahc, &sxfrctl1); 217 /* 218 * Take the LED out of diagnostic mode. 219 */ 220 sblkctl = ahc_inb(ahc, SBLKCTL); 221 ahc_outb(ahc, SBLKCTL, (sblkctl & ~(DIAGLEDEN|DIAGLEDON))); 222 223 /* 224 * I don't know where this is set in the SEEPROM or by the 225 * BIOS, so we default to 100%. 226 */ 227 ahc_outb(ahc, DSPCISTATUS, DFTHRSH_100); 228 229 if (ahc->flags & AHC_USEDEFAULTS) { 230 int our_id; 231 /* 232 * Assume only one connector and always turn 233 * on termination. 234 */ 235 our_id = AHC_CARDBUS_DEFAULT_SCSI_ID; 236 sxfrctl1 = STPWEN; 237 ahc_outb(ahc, SCSICONF, our_id | ENSPCHK | RESET_SCSI); 238 ahc->our_id = our_id; 239 } 240 241 printf("%s: aic7860", ahc_name(ahc)); 242 243 /* 244 * Record our termination setting for the 245 * generic initialization routine. 246 */ 247 if ((sxfrctl1 & STPWEN) != 0) 248 ahc->flags |= AHC_TERM_ENB_A; 249 250 if (ahc_init(ahc)) { 251 ahc_free(ahc); 252 return; 253 } 254 255 ahc_attach(ahc); 256 } 257 258 int 259 ahc_cardbus_detach(device_t self, int flags) 260 { 261 struct ahc_cardbus_softc *csc = device_private(self); 262 struct ahc_softc *ahc = &csc->sc_ahc; 263 264 int rv; 265 266 rv = ahc_detach((void *)ahc, flags); 267 if (rv) 268 return rv; 269 270 if (ahc->ih) { 271 cardbus_intr_disestablish(csc->sc_ct->ct_cc, 272 csc->sc_ct->ct_cf, ahc->ih); 273 ahc->ih = 0; 274 } 275 276 if (csc->sc_cbenable) { 277 if (csc->sc_cbenable == CARDBUS_MEM_ENABLE) 278 Cardbus_mapreg_unmap(csc->sc_ct, AHC_CARDBUS_MMBA, 279 ahc->tag, ahc->bsh, csc->sc_size); 280 else if (csc->sc_cbenable == CARDBUS_IO_ENABLE) 281 Cardbus_mapreg_unmap(csc->sc_ct, AHC_CARDBUS_IOBA, 282 ahc->tag, ahc->bsh, csc->sc_size); 283 csc->sc_cbenable = 0; 284 } 285 286 return (0); 287 } 288 289 290 int 291 ahc_activate(device_t self, enum devact act) 292 { 293 struct ahc_cardbus_softc *csc = device_private(self); 294 struct ahc_softc *ahc = &csc->sc_ahc; 295 int s, rv = 0; 296 297 s = splhigh(); 298 switch (act) { 299 case DVACT_ACTIVATE: 300 rv = EOPNOTSUPP; 301 break; 302 303 case DVACT_DEACTIVATE: 304 if (ahc->sc_child != NULL) 305 rv = config_deactivate(ahc->sc_child); 306 break; 307 } 308 splx(s); 309 310 return (rv); 311 } 312
Indexes created Sun Oct 12 02:09:55 GMT 2025