ahc_cardbus.c revision 1.33
1 /* $NetBSD: ahc_cardbus.c,v 1.33 2010/02/26 00:57:01 dyoung 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 1.33 2010/02/26 00:57:01 dyoung 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 pcitag_t sc_tag; 81 82 int sc_bar; 83 pcireg_t sc_csr; 84 bus_size_t sc_size; 85 }; 86 87 int ahc_cardbus_match(device_t, cfdata_t, void *); 88 void ahc_cardbus_attach(device_t, device_t, void *); 89 int ahc_cardbus_detach(device_t, int); 90 91 CFATTACH_DECL_NEW(ahc_cardbus, sizeof(struct ahc_cardbus_softc), 92 ahc_cardbus_match, ahc_cardbus_attach, ahc_cardbus_detach, NULL); 93 94 int 95 ahc_cardbus_match(device_t parent, cfdata_t match, void *aux) 96 { 97 struct cardbus_attach_args *ca = aux; 98 99 if (PCI_VENDOR(ca->ca_id) == PCI_VENDOR_ADP && 100 PCI_PRODUCT(ca->ca_id) == PCI_PRODUCT_ADP_APA1480) 101 return (1); 102 103 return (0); 104 } 105 106 void 107 ahc_cardbus_attach(device_t parent, device_t self, void *aux) 108 { 109 struct cardbus_attach_args *ca = aux; 110 struct ahc_cardbus_softc *csc = device_private(self); 111 struct ahc_softc *ahc = &csc->sc_ahc; 112 cardbus_devfunc_t ct = ca->ca_ct; 113 cardbus_chipset_tag_t cc = ct->ct_cc; 114 cardbus_function_tag_t cf = ct->ct_cf; 115 bus_space_tag_t bst; 116 bus_space_handle_t bsh; 117 pcireg_t reg; 118 u_int sxfrctl1 = 0; 119 u_char sblkctl; 120 121 122 ahc->sc_dev = self; 123 csc->sc_ct = ct; 124 csc->sc_tag = ca->ca_tag; 125 126 printf(": Adaptec ADP-1480 SCSI\n"); 127 128 /* 129 * Map the device. 130 */ 131 csc->sc_csr = PCI_COMMAND_MASTER_ENABLE; 132 if (Cardbus_mapreg_map(csc->sc_ct, AHC_CARDBUS_MMBA, 133 PCI_MAPREG_TYPE_MEM|PCI_MAPREG_MEM_TYPE_32BIT, 0, 134 &bst, &bsh, NULL, &csc->sc_size) == 0) { 135 csc->sc_bar = AHC_CARDBUS_MMBA; 136 csc->sc_csr |= PCI_COMMAND_MEM_ENABLE; 137 } else if (Cardbus_mapreg_map(csc->sc_ct, AHC_CARDBUS_IOBA, 138 PCI_MAPREG_TYPE_IO, 0, &bst, &bsh, NULL, &csc->sc_size) == 0) { 139 csc->sc_bar = AHC_CARDBUS_IOBA; 140 csc->sc_csr |= PCI_COMMAND_IO_ENABLE; 141 } else { 142 csc->sc_bar = 0; 143 printf("%s: unable to map device registers\n", 144 ahc_name(ahc)); 145 return; 146 } 147 148 /* Enable the appropriate bits in the PCI CSR. */ 149 reg = cardbus_conf_read(cc, cf, ca->ca_tag, PCI_COMMAND_STATUS_REG); 150 reg &= ~(PCI_COMMAND_IO_ENABLE|PCI_COMMAND_MEM_ENABLE); 151 reg |= csc->sc_csr; 152 cardbus_conf_write(cc, cf, ca->ca_tag, PCI_COMMAND_STATUS_REG, reg); 153 154 /* 155 * Make sure the latency timer is set to some reasonable 156 * value. 157 */ 158 reg = cardbus_conf_read(cc, cf, ca->ca_tag, PCI_BHLC_REG); 159 if (PCI_LATTIMER(reg) < 0x20) { 160 reg &= ~(PCI_LATTIMER_MASK << PCI_LATTIMER_SHIFT); 161 reg |= (0x20 << PCI_LATTIMER_SHIFT); 162 cardbus_conf_write(cc, cf, ca->ca_tag, PCI_BHLC_REG, reg); 163 } 164 165 ahc_set_name(ahc, device_xname(ahc->sc_dev)); 166 167 ahc->parent_dmat = ca->ca_dmat; 168 ahc->tag = bst; 169 ahc->bsh = bsh; 170 171 /* 172 * ADP-1480 is always an AIC-7860. 173 */ 174 ahc->chip = AHC_AIC7860 | AHC_PCI; 175 ahc->features = AHC_AIC7860_FE|AHC_REMOVABLE; 176 ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG; 177 if (PCI_REVISION(ca->ca_class) >= 1) 178 ahc->bugs |= AHC_PCI_2_1_RETRY_BUG; 179 180 if (ahc_softc_init(ahc) != 0) 181 return; 182 183 /* 184 * On all CardBus adapters, we allow SCB paging. 185 */ 186 ahc->flags = AHC_PAGESCBS; 187 188 ahc->channel = 'A'; 189 190 ahc_intr_enable(ahc, FALSE); 191 192 ahc_reset(ahc); 193 194 /* 195 * Establish the interrupt. 196 */ 197 ahc->ih = cardbus_intr_establish(cc, cf, ca->ca_intrline, IPL_BIO, 198 ahc_intr, ahc); 199 if (ahc->ih == NULL) { 200 printf("%s: unable to establish interrupt\n", 201 ahc_name(ahc)); 202 return; 203 } 204 205 ahc->seep_config = malloc(sizeof(*ahc->seep_config), 206 M_DEVBUF, M_NOWAIT); 207 if (ahc->seep_config == NULL) 208 return; 209 210 ahc_check_extport(ahc, &sxfrctl1); 211 /* 212 * Take the LED out of diagnostic mode. 213 */ 214 sblkctl = ahc_inb(ahc, SBLKCTL); 215 ahc_outb(ahc, SBLKCTL, (sblkctl & ~(DIAGLEDEN|DIAGLEDON))); 216 217 /* 218 * I don't know where this is set in the SEEPROM or by the 219 * BIOS, so we default to 100%. 220 */ 221 ahc_outb(ahc, DSPCISTATUS, DFTHRSH_100); 222 223 if (ahc->flags & AHC_USEDEFAULTS) { 224 int our_id; 225 /* 226 * Assume only one connector and always turn 227 * on termination. 228 */ 229 our_id = AHC_CARDBUS_DEFAULT_SCSI_ID; 230 sxfrctl1 = STPWEN; 231 ahc_outb(ahc, SCSICONF, our_id | ENSPCHK | RESET_SCSI); 232 ahc->our_id = our_id; 233 } 234 235 printf("%s: aic7860", ahc_name(ahc)); 236 237 /* 238 * Record our termination setting for the 239 * generic initialization routine. 240 */ 241 if ((sxfrctl1 & STPWEN) != 0) 242 ahc->flags |= AHC_TERM_ENB_A; 243 244 if (ahc_init(ahc)) { 245 ahc_free(ahc); 246 return; 247 } 248 249 ahc_attach(ahc); 250 } 251 252 int 253 ahc_cardbus_detach(device_t self, int flags) 254 { 255 struct ahc_cardbus_softc *csc = device_private(self); 256 struct ahc_softc *ahc = &csc->sc_ahc; 257 258 int rv; 259 260 rv = ahc_detach(ahc, flags); 261 if (rv) 262 return rv; 263 264 if (ahc->ih) { 265 cardbus_intr_disestablish(csc->sc_ct->ct_cc, 266 csc->sc_ct->ct_cf, ahc->ih); 267 ahc->ih = 0; 268 } 269 270 if (csc->sc_bar != 0) { 271 Cardbus_mapreg_unmap(csc->sc_ct, csc->sc_bar, 272 ahc->tag, ahc->bsh, csc->sc_size); 273 csc->sc_bar = 0; 274 } 275 276 return (0); 277 } 278
Indexes created Sun Oct 12 09:09:55 GMT 2025