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 DEVICE_PRINTF(1, dev, "in attach.\n"); 56 sc = (ips_softc_t *)device_get_softc(dev); 57 if(!sc){ 58 printf("how is sc NULL?!\n"); 59 return (ENXIO); 60 } 61 bzero(sc, sizeof(ips_softc_t)); 62 sc->dev = dev; 63 64 if(pci_get_device(dev) == IPS_MORPHEUS_DEVICE_ID){ 65 sc->ips_adapter_reinit = ips_morpheus_reinit; 66 sc->ips_adapter_intr = ips_morpheus_intr; 67 sc->ips_issue_cmd = ips_issue_morpheus_cmd; 68 } else if(pci_get_device(dev) == IPS_COPPERHEAD_DEVICE_ID){ 69 sc->ips_adapter_reinit = ips_copperhead_reinit; 70 sc->ips_adapter_intr = ips_copperhead_intr; 71 sc->ips_issue_cmd = ips_issue_copperhead_cmd; 72 } else 73 goto error; 74 /* make sure busmastering is on */ 75 command = pci_read_config(dev, PCIR_COMMAND, 1); 76 command |= PCIM_CMD_BUSMASTEREN; 77 pci_write_config(dev, PCIR_COMMAND, command, 1); 78 /* seting up io space */ 79 sc->iores = NULL; 80 if(command & PCIM_CMD_MEMEN){ 81 PRINTF(10, "trying MEMIO\n"); 82 if(pci_get_device(dev) == IPS_MORPHEUS_DEVICE_ID) 83 sc->rid = PCIR_MAPS; 84 else 85 sc->rid = PCIR_MAPS + 4; 86 sc->iotype = SYS_RES_MEMORY; 87 sc->iores = bus_alloc_resource(dev, sc->iotype, &sc->rid, 0, ~0, 1, RF_ACTIVE); 88 } 89 if(!sc->iores && command & PCIM_CMD_PORTEN){ 90 PRINTF(10, "trying PORTIO\n"); 91 sc->rid = PCIR_MAPS; 92 sc->iotype = SYS_RES_IOPORT; 93 sc->iores = bus_alloc_resource(dev, sc->iotype, &sc->rid, 0, ~0, 1, RF_ACTIVE); 94 } 95 if(sc->iores == NULL){ 96 device_printf(dev, "resource allocation failed\n"); 97 return (ENXIO); 98 } 99 sc->bustag = rman_get_bustag(sc->iores); 100 sc->bushandle = rman_get_bushandle(sc->iores); 101 /*allocate an interrupt. when does the irq become active? after leaving attach? */ 102 sc->irqrid = 0; 103 if(!(sc->irqres = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->irqrid, 0, ~0, 1, RF_SHAREABLE | RF_ACTIVE))){ 104 device_printf(dev, "irq allocation failed\n"); 105 goto error; 106 } 107 if(bus_setup_intr(dev, sc->irqres, INTR_TYPE_BIO, sc->ips_adapter_intr, sc, &sc->irqcookie)){ 108 device_printf(dev, "irq setup failed\n"); 109 goto error; 110 } 111 if (bus_dma_tag_create( /* parent */ NULL, 112 /* alignemnt */ 1, 113 /* boundary */ 0, 114 /* lowaddr */ BUS_SPACE_MAXADDR_32BIT, 115 /* highaddr */ BUS_SPACE_MAXADDR, 116 /* filter */ NULL, 117 /* filterarg */ NULL, 118 /* maxsize */ BUS_SPACE_MAXSIZE_32BIT, 119 /* numsegs */ IPS_MAX_SG_ELEMENTS, 120 /* maxsegsize*/ BUS_SPACE_MAXSIZE_32BIT, 121 /* flags */ 0, 122 &sc->adapter_dmatag) != 0) { 123 printf("IPS can't alloc dma tag\n"); 124 goto error; 125 } 126 if(ips_adapter_init(sc)) 127 goto error; 128 return 0; 129 error: 130 ips_pci_free(sc); 131 return (ENXIO); 132 } 133 134 static int ips_pci_free(ips_softc_t *sc) 135 { 136 if(sc->adapter_dmatag) 137 bus_dma_tag_destroy(sc->adapter_dmatag); 138 if(sc->irqcookie) 139 bus_teardown_intr(sc->dev, sc->irqres, sc->irqcookie); 140 if(sc->irqres) 141 bus_release_resource(sc->dev, SYS_RES_IRQ, sc->irqrid, sc->irqres); 142 if(sc->iores) 143 bus_release_resource(sc->dev, sc->iotype, sc->rid, sc->iores); 144 return 0; 145 } 146 147 static int ips_pci_detach(device_t dev) 148 { 149 ips_softc_t *sc; 150 DEVICE_PRINTF(1, dev, "detaching ServeRaid\n"); 151 sc = (ips_softc_t *) device_get_softc(dev); 152 ips_flush_cache(sc); 153 if(ips_adapter_free(sc)) 154 return EBUSY; 155 ips_pci_free(sc); 156 mtx_destroy(&sc->cmd_mtx); 157 return 0; 158 } 159 160 static int ips_pci_shutdown(device_t dev) 161 { 162 ips_softc_t *sc = (ips_softc_t *) device_get_softc(dev); 163 ips_flush_cache(sc); 164 return 0; 165 } 166 167 static device_method_t ips_driver_methods[] = { 168 DEVMETHOD(device_probe, ips_pci_probe), 169 DEVMETHOD(device_attach, ips_pci_attach), 170 DEVMETHOD(device_detach, ips_pci_detach), 171 DEVMETHOD(device_shutdown, ips_pci_shutdown), 172 {0,0} 173 }; 174 175 static driver_t ips_pci_driver = { 176 "ips", 177 ips_driver_methods, 178 sizeof(ips_softc_t), 179 }; 180 181 static devclass_t ips_devclass; 182 DRIVER_MODULE(ips, pci, ips_pci_driver, ips_devclass, 0, 0); 183