1 /*- 2 * Copyright (c) 2002 Adaptec Inc. 3 * All rights reserved. 4 * 5 * Written by: David Jeffery 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 */ 30 31 32 #include <dev/ips/ips.h> 33 static int ips_pci_free(ips_softc_t *sc); 34 35 static int ips_pci_probe(device_t dev) 36 { 37 38 if ((pci_get_vendor(dev) == IPS_VENDOR_ID) && 39 (pci_get_device(dev) == IPS_MORPHEUS_DEVICE_ID)) { 40 device_set_desc(dev, "IBM ServeRAID Adapter"); 41 return 0; 42 } else if ((pci_get_vendor(dev) == IPS_VENDOR_ID) && 43 (pci_get_device(dev) == IPS_COPPERHEAD_DEVICE_ID)) { 44 device_set_desc(dev, "IBM ServeRAID Adapter"); 45 return (0); 46 } 47 return(ENXIO); 48 } 49 50 static int ips_pci_attach(device_t dev) 51 { 52 u_int32_t command; 53 ips_softc_t *sc; 54 55 56 if (resource_disabled(device_get_name(dev), device_get_unit(dev))) { 57 device_printf(dev, "device is disabled\n"); 58 /* but return 0 so the !$)$)*!$*) unit isn't reused */ 59 return (0); 60 } 61 DEVICE_PRINTF(1, dev, "in attach.\n"); 62 sc = (ips_softc_t *)device_get_softc(dev); 63 if(!sc){ 64 printf("how is sc NULL?!\n"); 65 return (ENXIO); 66 } 67 bzero(sc, sizeof(ips_softc_t)); 68 sc->dev = dev; 69 70 if(pci_get_device(dev) == IPS_MORPHEUS_DEVICE_ID){ 71 sc->ips_adapter_reinit = ips_morpheus_reinit; 72 sc->ips_adapter_intr = ips_morpheus_intr; 73 sc->ips_issue_cmd = ips_issue_morpheus_cmd; 74 } else if(pci_get_device(dev) == IPS_COPPERHEAD_DEVICE_ID){ 75 sc->ips_adapter_reinit = ips_copperhead_reinit; 76 sc->ips_adapter_intr = ips_copperhead_intr; 77 sc->ips_issue_cmd = ips_issue_copperhead_cmd; 78 } else 79 goto error; 80 /* make sure busmastering is on */ 81 command = pci_read_config(dev, PCIR_COMMAND, 1); 82 command |= PCIM_CMD_BUSMASTEREN; 83 pci_write_config(dev, PCIR_COMMAND, command, 1); 84 /* seting up io space */ 85 sc->iores = NULL; 86 if(command & PCIM_CMD_MEMEN){ 87 PRINTF(10, "trying MEMIO\n"); 88 if(pci_get_device(dev) == IPS_MORPHEUS_DEVICE_ID) 89 sc->rid = PCIR_MAPS; 90 else 91 sc->rid = PCIR_MAPS + 4; 92 sc->iotype = SYS_RES_MEMORY; 93 sc->iores = bus_alloc_resource(dev, sc->iotype, &sc->rid, 0, ~0, 1, RF_ACTIVE); 94 } 95 if(!sc->iores && command & PCIM_CMD_PORTEN){ 96 PRINTF(10, "trying PORTIO\n"); 97 sc->rid = PCIR_MAPS; 98 sc->iotype = SYS_RES_IOPORT; 99 sc->iores = bus_alloc_resource(dev, sc->iotype, &sc->rid, 0, ~0, 1, RF_ACTIVE); 100 } 101 if(sc->iores == NULL){ 102 device_printf(dev, "resource allocation failed\n"); 103 return (ENXIO); 104 } 105 sc->bustag = rman_get_bustag(sc->iores); 106 sc->bushandle = rman_get_bushandle(sc->iores); 107 /*allocate an interrupt. when does the irq become active? after leaving attach? */ 108 sc->irqrid = 0; 109 if(!(sc->irqres = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->irqrid, 0, ~0, 1, RF_SHAREABLE | RF_ACTIVE))){ 110 device_printf(dev, "irq allocation failed\n"); 111 goto error; 112 } 113 if(bus_setup_intr(dev, sc->irqres, INTR_TYPE_BIO, sc->ips_adapter_intr, sc, &sc->irqcookie)){ 114 device_printf(dev, "irq setup failed\n"); 115 goto error; 116 } 117 if (bus_dma_tag_create( /* parent */ NULL, 118 /* alignemnt */ 1, 119 /* boundary */ 0, 120 /* lowaddr */ BUS_SPACE_MAXADDR_32BIT, 121 /* highaddr */ BUS_SPACE_MAXADDR, 122 /* filter */ NULL, 123 /* filterarg */ NULL, 124 /* maxsize */ BUS_SPACE_MAXSIZE_32BIT, 125 /* numsegs */ IPS_MAX_SG_ELEMENTS, 126 /* maxsegsize*/ BUS_SPACE_MAXSIZE_32BIT, 127 /* flags */ 0, 128 /* lockfunc */ busdma_lock_mutex, 129 /* lockarg */ &Giant, 130 &sc->adapter_dmatag) != 0) { 131 printf("IPS can't alloc dma tag\n"); 132 goto error; 133 } 134 if(ips_adapter_init(sc)) 135 goto error; 136 sc->configured = 1; 137 return 0; 138 error: 139 ips_pci_free(sc); 140 return (ENXIO); 141 } 142 143 static int ips_pci_free(ips_softc_t *sc) 144 { 145 if(sc->adapter_dmatag) 146 bus_dma_tag_destroy(sc->adapter_dmatag); 147 if(sc->irqcookie) 148 bus_teardown_intr(sc->dev, sc->irqres, sc->irqcookie); 149 if(sc->irqres) 150 bus_release_resource(sc->dev, SYS_RES_IRQ, sc->irqrid, sc->irqres); 151 if(sc->iores) 152 bus_release_resource(sc->dev, sc->iotype, sc->rid, sc->iores); 153 sc->configured = 0; 154 return 0; 155 } 156 157 static int ips_pci_detach(device_t dev) 158 { 159 ips_softc_t *sc; 160 DEVICE_PRINTF(1, dev, "detaching ServeRaid\n"); 161 sc = (ips_softc_t *) device_get_softc(dev); 162 if (sc->configured) { 163 sc->configured = 0; 164 ips_flush_cache(sc); 165 if(ips_adapter_free(sc)) 166 return EBUSY; 167 ips_pci_free(sc); 168 mtx_destroy(&sc->cmd_mtx); 169 } 170 return 0; 171 } 172 173 static int ips_pci_shutdown(device_t dev) 174 { 175 ips_softc_t *sc = (ips_softc_t *) device_get_softc(dev); 176 if (sc->configured) { 177 ips_flush_cache(sc); 178 } 179 return 0; 180 } 181 182 static device_method_t ips_driver_methods[] = { 183 DEVMETHOD(device_probe, ips_pci_probe), 184 DEVMETHOD(device_attach, ips_pci_attach), 185 DEVMETHOD(device_detach, ips_pci_detach), 186 DEVMETHOD(device_shutdown, ips_pci_shutdown), 187 {0,0} 188 }; 189 190 static driver_t ips_pci_driver = { 191 "ips", 192 ips_driver_methods, 193 sizeof(ips_softc_t), 194 }; 195 196 static devclass_t ips_devclass; 197 DRIVER_MODULE(ips, pci, ips_pci_driver, ips_devclass, 0, 0); 198