ips_pci.c revision 119690
1114902Sscottl/*- 2114902Sscottl * Copyright (c) 2002 Adaptec Inc. 3114902Sscottl * All rights reserved. 4114902Sscottl * 5114902Sscottl * Written by: David Jeffery 6114902Sscottl * 7114902Sscottl * Redistribution and use in source and binary forms, with or without 8114902Sscottl * modification, are permitted provided that the following conditions 9114902Sscottl * are met: 10114902Sscottl * 1. Redistributions of source code must retain the above copyright 11114902Sscottl * notice, this list of conditions and the following disclaimer. 12114902Sscottl * 2. Redistributions in binary form must reproduce the above copyright 13114902Sscottl * notice, this list of conditions and the following disclaimer in the 14114902Sscottl * documentation and/or other materials provided with the distribution. 15114902Sscottl * 16114902Sscottl * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17114902Sscottl * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18114902Sscottl * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19114902Sscottl * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20114902Sscottl * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21114902Sscottl * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22114902Sscottl * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23114902Sscottl * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24114902Sscottl * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25114902Sscottl * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26114902Sscottl * SUCH DAMAGE. 27114902Sscottl */ 28114902Sscottl 29119418Sobrien#include <sys/cdefs.h> 30119418Sobrien__FBSDID("$FreeBSD: head/sys/dev/ips/ips_pci.c 119690 2003-09-02 17:30:40Z jhb $"); 31114902Sscottl 32114902Sscottl#include <dev/ips/ips.h> 33119418Sobrien 34114902Sscottlstatic int ips_pci_free(ips_softc_t *sc); 35114902Sscottl 36114902Sscottlstatic int ips_pci_probe(device_t dev) 37114902Sscottl{ 38114902Sscottl 39114902Sscottl if ((pci_get_vendor(dev) == IPS_VENDOR_ID) && 40114902Sscottl (pci_get_device(dev) == IPS_MORPHEUS_DEVICE_ID)) { 41114902Sscottl device_set_desc(dev, "IBM ServeRAID Adapter"); 42114902Sscottl return 0; 43114902Sscottl } else if ((pci_get_vendor(dev) == IPS_VENDOR_ID) && 44114902Sscottl (pci_get_device(dev) == IPS_COPPERHEAD_DEVICE_ID)) { 45114902Sscottl device_set_desc(dev, "IBM ServeRAID Adapter"); 46114902Sscottl return (0); 47114902Sscottl } 48114902Sscottl return(ENXIO); 49114902Sscottl} 50114902Sscottl 51114902Sscottlstatic int ips_pci_attach(device_t dev) 52114902Sscottl{ 53114902Sscottl u_int32_t command; 54114902Sscottl ips_softc_t *sc; 55114902Sscottl 56116852Sscottl 57117167Sjhb if (resource_disabled(device_get_name(dev), device_get_unit(dev))) { 58116852Sscottl device_printf(dev, "device is disabled\n"); 59116852Sscottl /* but return 0 so the !$)$)*!$*) unit isn't reused */ 60116852Sscottl return (0); 61116852Sscottl } 62114902Sscottl DEVICE_PRINTF(1, dev, "in attach.\n"); 63114902Sscottl sc = (ips_softc_t *)device_get_softc(dev); 64114902Sscottl if(!sc){ 65114902Sscottl printf("how is sc NULL?!\n"); 66114902Sscottl return (ENXIO); 67114902Sscottl } 68114902Sscottl bzero(sc, sizeof(ips_softc_t)); 69114902Sscottl sc->dev = dev; 70114902Sscottl 71114902Sscottl if(pci_get_device(dev) == IPS_MORPHEUS_DEVICE_ID){ 72114902Sscottl sc->ips_adapter_reinit = ips_morpheus_reinit; 73114902Sscottl sc->ips_adapter_intr = ips_morpheus_intr; 74114902Sscottl sc->ips_issue_cmd = ips_issue_morpheus_cmd; 75114902Sscottl } else if(pci_get_device(dev) == IPS_COPPERHEAD_DEVICE_ID){ 76114902Sscottl sc->ips_adapter_reinit = ips_copperhead_reinit; 77114902Sscottl sc->ips_adapter_intr = ips_copperhead_intr; 78114902Sscottl sc->ips_issue_cmd = ips_issue_copperhead_cmd; 79114902Sscottl } else 80114902Sscottl goto error; 81114902Sscottl /* make sure busmastering is on */ 82114902Sscottl command = pci_read_config(dev, PCIR_COMMAND, 1); 83114902Sscottl command |= PCIM_CMD_BUSMASTEREN; 84114902Sscottl pci_write_config(dev, PCIR_COMMAND, command, 1); 85114902Sscottl /* seting up io space */ 86114902Sscottl sc->iores = NULL; 87114902Sscottl if(command & PCIM_CMD_MEMEN){ 88114902Sscottl PRINTF(10, "trying MEMIO\n"); 89114902Sscottl if(pci_get_device(dev) == IPS_MORPHEUS_DEVICE_ID) 90119690Sjhb sc->rid = PCIR_BAR(0); 91114902Sscottl else 92119690Sjhb sc->rid = PCIR_BAR(1); 93114902Sscottl sc->iotype = SYS_RES_MEMORY; 94114902Sscottl sc->iores = bus_alloc_resource(dev, sc->iotype, &sc->rid, 0, ~0, 1, RF_ACTIVE); 95114902Sscottl } 96114902Sscottl if(!sc->iores && command & PCIM_CMD_PORTEN){ 97114902Sscottl PRINTF(10, "trying PORTIO\n"); 98119690Sjhb sc->rid = PCIR_BAR(0); 99114902Sscottl sc->iotype = SYS_RES_IOPORT; 100114902Sscottl sc->iores = bus_alloc_resource(dev, sc->iotype, &sc->rid, 0, ~0, 1, RF_ACTIVE); 101114902Sscottl } 102114902Sscottl if(sc->iores == NULL){ 103114902Sscottl device_printf(dev, "resource allocation failed\n"); 104114902Sscottl return (ENXIO); 105114902Sscottl } 106114902Sscottl sc->bustag = rman_get_bustag(sc->iores); 107114902Sscottl sc->bushandle = rman_get_bushandle(sc->iores); 108114902Sscottl /*allocate an interrupt. when does the irq become active? after leaving attach? */ 109114902Sscottl sc->irqrid = 0; 110114902Sscottl if(!(sc->irqres = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->irqrid, 0, ~0, 1, RF_SHAREABLE | RF_ACTIVE))){ 111114902Sscottl device_printf(dev, "irq allocation failed\n"); 112114902Sscottl goto error; 113114902Sscottl } 114114902Sscottl if(bus_setup_intr(dev, sc->irqres, INTR_TYPE_BIO, sc->ips_adapter_intr, sc, &sc->irqcookie)){ 115114902Sscottl device_printf(dev, "irq setup failed\n"); 116114902Sscottl goto error; 117114902Sscottl } 118114902Sscottl if (bus_dma_tag_create( /* parent */ NULL, 119114902Sscottl /* alignemnt */ 1, 120114902Sscottl /* boundary */ 0, 121114902Sscottl /* lowaddr */ BUS_SPACE_MAXADDR_32BIT, 122114902Sscottl /* highaddr */ BUS_SPACE_MAXADDR, 123114902Sscottl /* filter */ NULL, 124114902Sscottl /* filterarg */ NULL, 125114902Sscottl /* maxsize */ BUS_SPACE_MAXSIZE_32BIT, 126114902Sscottl /* numsegs */ IPS_MAX_SG_ELEMENTS, 127114902Sscottl /* maxsegsize*/ BUS_SPACE_MAXSIZE_32BIT, 128114902Sscottl /* flags */ 0, 129117126Sscottl /* lockfunc */ busdma_lock_mutex, 130117126Sscottl /* lockarg */ &Giant, 131114902Sscottl &sc->adapter_dmatag) != 0) { 132114902Sscottl printf("IPS can't alloc dma tag\n"); 133114902Sscottl goto error; 134114902Sscottl } 135114902Sscottl if(ips_adapter_init(sc)) 136114902Sscottl goto error; 137116852Sscottl sc->configured = 1; 138114902Sscottl return 0; 139114902Sscottlerror: 140114902Sscottl ips_pci_free(sc); 141114902Sscottl return (ENXIO); 142114902Sscottl} 143114902Sscottl 144114902Sscottlstatic int ips_pci_free(ips_softc_t *sc) 145114902Sscottl{ 146114902Sscottl if(sc->adapter_dmatag) 147114902Sscottl bus_dma_tag_destroy(sc->adapter_dmatag); 148114902Sscottl if(sc->irqcookie) 149114902Sscottl bus_teardown_intr(sc->dev, sc->irqres, sc->irqcookie); 150114902Sscottl if(sc->irqres) 151114902Sscottl bus_release_resource(sc->dev, SYS_RES_IRQ, sc->irqrid, sc->irqres); 152114902Sscottl if(sc->iores) 153114902Sscottl bus_release_resource(sc->dev, sc->iotype, sc->rid, sc->iores); 154116852Sscottl sc->configured = 0; 155114902Sscottl return 0; 156114902Sscottl} 157114902Sscottl 158114902Sscottlstatic int ips_pci_detach(device_t dev) 159114902Sscottl{ 160114902Sscottl ips_softc_t *sc; 161114902Sscottl DEVICE_PRINTF(1, dev, "detaching ServeRaid\n"); 162114902Sscottl sc = (ips_softc_t *) device_get_softc(dev); 163116852Sscottl if (sc->configured) { 164116852Sscottl sc->configured = 0; 165116852Sscottl ips_flush_cache(sc); 166116852Sscottl if(ips_adapter_free(sc)) 167116852Sscottl return EBUSY; 168116852Sscottl ips_pci_free(sc); 169116852Sscottl mtx_destroy(&sc->cmd_mtx); 170116852Sscottl } 171114902Sscottl return 0; 172114902Sscottl} 173114902Sscottl 174114902Sscottlstatic int ips_pci_shutdown(device_t dev) 175114902Sscottl{ 176114902Sscottl ips_softc_t *sc = (ips_softc_t *) device_get_softc(dev); 177116852Sscottl if (sc->configured) { 178116852Sscottl ips_flush_cache(sc); 179116852Sscottl } 180114902Sscottl return 0; 181114902Sscottl} 182114902Sscottl 183114902Sscottlstatic device_method_t ips_driver_methods[] = { 184114902Sscottl DEVMETHOD(device_probe, ips_pci_probe), 185114902Sscottl DEVMETHOD(device_attach, ips_pci_attach), 186114902Sscottl DEVMETHOD(device_detach, ips_pci_detach), 187114902Sscottl DEVMETHOD(device_shutdown, ips_pci_shutdown), 188114902Sscottl {0,0} 189114902Sscottl}; 190114902Sscottl 191114902Sscottlstatic driver_t ips_pci_driver = { 192114902Sscottl "ips", 193114902Sscottl ips_driver_methods, 194114902Sscottl sizeof(ips_softc_t), 195114902Sscottl}; 196114902Sscottl 197114902Sscottlstatic devclass_t ips_devclass; 198114902SscottlDRIVER_MODULE(ips, pci, ips_pci_driver, ips_devclass, 0, 0); 199