1 /* $NetBSD: adv_cardbus.c,v 1.29 2012/10/27 17:18:15 chs 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 * 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 * this file was brought from ahc_cardbus.c and adv_pci.c 35 * and modified by YAMAMOTO Takashi. 36 */ 37 38 #include <sys/cdefs.h> 39 __KERNEL_RCSID(0, "$NetBSD: adv_cardbus.c,v 1.29 2012/10/27 17:18:15 chs Exp $"); 40 41 #include <sys/param.h> 42 #include <sys/systm.h> 43 #include <sys/malloc.h> 44 #include <sys/kernel.h> 45 #include <sys/queue.h> 46 #include <sys/device.h> 47 48 #include <sys/bus.h> 49 #include <sys/intr.h> 50 51 #include <dev/scsipi/scsi_all.h> 52 #include <dev/scsipi/scsipi_all.h> 53 #include <dev/scsipi/scsiconf.h> 54 55 #include <dev/pci/pcireg.h> 56 #include <dev/pci/pcidevs.h> 57 58 #include <dev/cardbus/cardbusvar.h> 59 #include <dev/pci/pcidevs.h> 60 61 #include <dev/ic/advlib.h> 62 #include <dev/ic/adv.h> 63 64 #define ADV_CARDBUS_IOBA PCI_BAR0 65 #define ADV_CARDBUS_MMBA PCI_BAR1 66 67 #define ADV_CARDBUS_DEBUG 68 #define ADV_CARDBUS_ALLOW_MEMIO 69 70 #define DEVNAME(sc) device_xname((sc)->sc_dev) 71 72 struct adv_cardbus_softc { 73 struct asc_softc sc_adv; /* real ADV */ 74 75 /* CardBus-specific goo. */ 76 cardbus_devfunc_t sc_ct; /* our CardBus devfuncs */ 77 pcitag_t sc_tag; 78 79 int sc_bar; 80 pcireg_t sc_csr; 81 bus_size_t sc_size; 82 }; 83 84 int adv_cardbus_match(device_t, cfdata_t, void *); 85 void adv_cardbus_attach(device_t, device_t, void *); 86 int adv_cardbus_detach(device_t, int); 87 88 CFATTACH_DECL_NEW(adv_cardbus, sizeof(struct adv_cardbus_softc), 89 adv_cardbus_match, adv_cardbus_attach, adv_cardbus_detach, NULL); 90 91 int 92 adv_cardbus_match(device_t parent, cfdata_t match, void *aux) 93 { 94 struct cardbus_attach_args *ca = aux; 95 96 if (PCI_VENDOR(ca->ca_id) == PCI_VENDOR_ADVSYS && 97 PCI_PRODUCT(ca->ca_id) == PCI_PRODUCT_ADVSYS_ULTRA) 98 return (1); 99 100 return (0); 101 } 102 103 void 104 adv_cardbus_attach(device_t parent, device_t self, void *aux) 105 { 106 struct cardbus_attach_args *ca = aux; 107 struct adv_cardbus_softc *csc = device_private(self); 108 struct asc_softc *sc = &csc->sc_adv; 109 cardbus_devfunc_t ct = ca->ca_ct; 110 bus_space_tag_t iot; 111 bus_space_handle_t ioh; 112 pcireg_t reg; 113 u_int8_t latency = 0x20; 114 115 sc->sc_dev = self; 116 sc->sc_flags = 0; 117 118 if (PCI_VENDOR(ca->ca_id) == PCI_VENDOR_ADVSYS) { 119 switch (PCI_PRODUCT(ca->ca_id)) { 120 case PCI_PRODUCT_ADVSYS_1200A: 121 printf(": AdvanSys ASC1200A SCSI adapter\n"); 122 latency = 0; 123 break; 124 125 case PCI_PRODUCT_ADVSYS_1200B: 126 printf(": AdvanSys ASC1200B SCSI adapter\n"); 127 latency = 0; 128 break; 129 130 case PCI_PRODUCT_ADVSYS_ULTRA: 131 switch (PCI_REVISION(ca->ca_class)) { 132 case ASC_PCI_REVISION_3050: 133 printf(": AdvanSys ABP-9xxUA SCSI adapter\n"); 134 break; 135 136 case ASC_PCI_REVISION_3150: 137 printf(": AdvanSys ABP-9xxU SCSI adapter\n"); 138 break; 139 } 140 break; 141 142 default: 143 printf(": unknown model!\n"); 144 return; 145 } 146 } 147 148 csc->sc_ct = ct; 149 csc->sc_tag = ca->ca_tag; 150 151 /* 152 * Map the device. 153 */ 154 csc->sc_csr = PCI_COMMAND_MASTER_ENABLE; 155 156 #ifdef ADV_CARDBUS_ALLOW_MEMIO 157 if (Cardbus_mapreg_map(csc->sc_ct, ADV_CARDBUS_MMBA, 158 PCI_MAPREG_TYPE_MEM|PCI_MAPREG_MEM_TYPE_32BIT, 0, 159 &iot, &ioh, NULL, &csc->sc_size) == 0) { 160 #ifdef ADV_CARDBUS_DEBUG 161 printf("%s: memio enabled\n", DEVNAME(sc)); 162 #endif 163 csc->sc_bar = ADV_CARDBUS_MMBA; 164 csc->sc_csr |= PCI_COMMAND_MEM_ENABLE; 165 } else 166 #endif 167 if (Cardbus_mapreg_map(csc->sc_ct, ADV_CARDBUS_IOBA, 168 PCI_MAPREG_TYPE_IO, 0, &iot, &ioh, NULL, &csc->sc_size) == 0) { 169 #ifdef ADV_CARDBUS_DEBUG 170 printf("%s: io enabled\n", DEVNAME(sc)); 171 #endif 172 csc->sc_bar = ADV_CARDBUS_IOBA; 173 csc->sc_csr |= PCI_COMMAND_IO_ENABLE; 174 } else { 175 csc->sc_bar = 0; 176 aprint_error_dev(sc->sc_dev, "unable to map device registers\n"); 177 return; 178 } 179 180 /* Enable the appropriate bits in the PCI CSR. */ 181 reg = Cardbus_conf_read(ct, ca->ca_tag, PCI_COMMAND_STATUS_REG); 182 reg &= ~(PCI_COMMAND_IO_ENABLE|PCI_COMMAND_MEM_ENABLE); 183 reg |= csc->sc_csr; 184 Cardbus_conf_write(ct, ca->ca_tag, PCI_COMMAND_STATUS_REG, reg); 185 186 /* 187 * Make sure the latency timer is set to some reasonable 188 * value. 189 */ 190 reg = Cardbus_conf_read(ct, ca->ca_tag, PCI_BHLC_REG); 191 if (PCI_LATTIMER(reg) < latency) { 192 reg &= ~(PCI_LATTIMER_MASK << PCI_LATTIMER_SHIFT); 193 reg |= (latency << PCI_LATTIMER_SHIFT); 194 Cardbus_conf_write(ct, ca->ca_tag, PCI_BHLC_REG, reg); 195 } 196 197 ASC_SET_CHIP_CONTROL(iot, ioh, ASC_CC_HALT); 198 ASC_SET_CHIP_STATUS(iot, ioh, 0); 199 200 sc->sc_iot = iot; 201 sc->sc_ioh = ioh; 202 sc->sc_dmat = ca->ca_dmat; 203 sc->pci_device_id = ca->ca_id; 204 sc->bus_type = ASC_IS_PCI; 205 sc->chip_version = ASC_GET_CHIP_VER_NO(iot, ioh); 206 207 /* 208 * Initialize the board 209 */ 210 if (adv_init(sc)) { 211 printf("adv_init failed\n"); 212 return; 213 } 214 215 /* 216 * Establish the interrupt. 217 */ 218 sc->sc_ih = Cardbus_intr_establish(ct, IPL_BIO, adv_intr, sc); 219 if (sc->sc_ih == NULL) { 220 aprint_error_dev(sc->sc_dev, 221 "unable to establish interrupt\n"); 222 return; 223 } 224 225 /* 226 * Attach. 227 */ 228 adv_attach(sc); 229 } 230 231 int 232 adv_cardbus_detach(device_t self, int flags) 233 { 234 struct adv_cardbus_softc *csc = device_private(self); 235 struct asc_softc *sc = &csc->sc_adv; 236 237 int rv; 238 239 rv = adv_detach(sc, flags); 240 if (rv) 241 return rv; 242 243 if (sc->sc_ih) { 244 Cardbus_intr_disestablish(csc->sc_ct, sc->sc_ih); 245 sc->sc_ih = 0; 246 } 247 248 if (csc->sc_bar != 0) { 249 Cardbus_mapreg_unmap(csc->sc_ct, csc->sc_bar, 250 sc->sc_iot, sc->sc_ioh, csc->sc_size); 251 csc->sc_bar = 0; 252 } 253 254 return 0; 255 } 256