ips_pci.c revision 114902
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 * $FreeBSD: head/sys/dev/ips/ips_pci.c 114902 2003-05-11 06:36:49Z scottl $ 29114902Sscottl */ 30114902Sscottl 31114902Sscottl 32114902Sscottl#include <dev/ips/ips.h> 33114902Sscottlstatic int ips_pci_free(ips_softc_t *sc); 34114902Sscottl 35114902Sscottlstatic int ips_pci_probe(device_t dev) 36114902Sscottl{ 37114902Sscottl 38114902Sscottl if ((pci_get_vendor(dev) == IPS_VENDOR_ID) && 39114902Sscottl (pci_get_device(dev) == IPS_MORPHEUS_DEVICE_ID)) { 40114902Sscottl device_set_desc(dev, "IBM ServeRAID Adapter"); 41114902Sscottl return 0; 42114902Sscottl } else if ((pci_get_vendor(dev) == IPS_VENDOR_ID) && 43114902Sscottl (pci_get_device(dev) == IPS_COPPERHEAD_DEVICE_ID)) { 44114902Sscottl device_set_desc(dev, "IBM ServeRAID Adapter"); 45114902Sscottl return (0); 46114902Sscottl } 47114902Sscottl return(ENXIO); 48114902Sscottl} 49114902Sscottl 50114902Sscottlstatic int ips_pci_attach(device_t dev) 51114902Sscottl{ 52114902Sscottl u_int32_t command; 53114902Sscottl ips_softc_t *sc; 54114902Sscottl 55114902Sscottl DEVICE_PRINTF(1, dev, "in attach.\n"); 56114902Sscottl sc = (ips_softc_t *)device_get_softc(dev); 57114902Sscottl if(!sc){ 58114902Sscottl printf("how is sc NULL?!\n"); 59114902Sscottl return (ENXIO); 60114902Sscottl } 61114902Sscottl bzero(sc, sizeof(ips_softc_t)); 62114902Sscottl sc->dev = dev; 63114902Sscottl 64114902Sscottl if(pci_get_device(dev) == IPS_MORPHEUS_DEVICE_ID){ 65114902Sscottl sc->ips_adapter_reinit = ips_morpheus_reinit; 66114902Sscottl sc->ips_adapter_intr = ips_morpheus_intr; 67114902Sscottl sc->ips_issue_cmd = ips_issue_morpheus_cmd; 68114902Sscottl } else if(pci_get_device(dev) == IPS_COPPERHEAD_DEVICE_ID){ 69114902Sscottl sc->ips_adapter_reinit = ips_copperhead_reinit; 70114902Sscottl sc->ips_adapter_intr = ips_copperhead_intr; 71114902Sscottl sc->ips_issue_cmd = ips_issue_copperhead_cmd; 72114902Sscottl } else 73114902Sscottl goto error; 74114902Sscottl /* make sure busmastering is on */ 75114902Sscottl command = pci_read_config(dev, PCIR_COMMAND, 1); 76114902Sscottl command |= PCIM_CMD_BUSMASTEREN; 77114902Sscottl pci_write_config(dev, PCIR_COMMAND, command, 1); 78114902Sscottl /* seting up io space */ 79114902Sscottl sc->iores = NULL; 80114902Sscottl if(command & PCIM_CMD_MEMEN){ 81114902Sscottl PRINTF(10, "trying MEMIO\n"); 82114902Sscottl if(pci_get_device(dev) == IPS_MORPHEUS_DEVICE_ID) 83114902Sscottl sc->rid = PCIR_MAPS; 84114902Sscottl else 85114902Sscottl sc->rid = PCIR_MAPS + 4; 86114902Sscottl sc->iotype = SYS_RES_MEMORY; 87114902Sscottl sc->iores = bus_alloc_resource(dev, sc->iotype, &sc->rid, 0, ~0, 1, RF_ACTIVE); 88114902Sscottl } 89114902Sscottl if(!sc->iores && command & PCIM_CMD_PORTEN){ 90114902Sscottl PRINTF(10, "trying PORTIO\n"); 91114902Sscottl sc->rid = PCIR_MAPS; 92114902Sscottl sc->iotype = SYS_RES_IOPORT; 93114902Sscottl sc->iores = bus_alloc_resource(dev, sc->iotype, &sc->rid, 0, ~0, 1, RF_ACTIVE); 94114902Sscottl } 95114902Sscottl if(sc->iores == NULL){ 96114902Sscottl device_printf(dev, "resource allocation failed\n"); 97114902Sscottl return (ENXIO); 98114902Sscottl } 99114902Sscottl sc->bustag = rman_get_bustag(sc->iores); 100114902Sscottl sc->bushandle = rman_get_bushandle(sc->iores); 101114902Sscottl /*allocate an interrupt. when does the irq become active? after leaving attach? */ 102114902Sscottl sc->irqrid = 0; 103114902Sscottl if(!(sc->irqres = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->irqrid, 0, ~0, 1, RF_SHAREABLE | RF_ACTIVE))){ 104114902Sscottl device_printf(dev, "irq allocation failed\n"); 105114902Sscottl goto error; 106114902Sscottl } 107114902Sscottl if(bus_setup_intr(dev, sc->irqres, INTR_TYPE_BIO, sc->ips_adapter_intr, sc, &sc->irqcookie)){ 108114902Sscottl device_printf(dev, "irq setup failed\n"); 109114902Sscottl goto error; 110114902Sscottl } 111114902Sscottl if (bus_dma_tag_create( /* parent */ NULL, 112114902Sscottl /* alignemnt */ 1, 113114902Sscottl /* boundary */ 0, 114114902Sscottl /* lowaddr */ BUS_SPACE_MAXADDR_32BIT, 115114902Sscottl /* highaddr */ BUS_SPACE_MAXADDR, 116114902Sscottl /* filter */ NULL, 117114902Sscottl /* filterarg */ NULL, 118114902Sscottl /* maxsize */ BUS_SPACE_MAXSIZE_32BIT, 119114902Sscottl /* numsegs */ IPS_MAX_SG_ELEMENTS, 120114902Sscottl /* maxsegsize*/ BUS_SPACE_MAXSIZE_32BIT, 121114902Sscottl /* flags */ 0, 122114902Sscottl &sc->adapter_dmatag) != 0) { 123114902Sscottl printf("IPS can't alloc dma tag\n"); 124114902Sscottl goto error; 125114902Sscottl } 126114902Sscottl if(ips_adapter_init(sc)) 127114902Sscottl goto error; 128114902Sscottl return 0; 129114902Sscottlerror: 130114902Sscottl ips_pci_free(sc); 131114902Sscottl return (ENXIO); 132114902Sscottl} 133114902Sscottl 134114902Sscottlstatic int ips_pci_free(ips_softc_t *sc) 135114902Sscottl{ 136114902Sscottl if(sc->adapter_dmatag) 137114902Sscottl bus_dma_tag_destroy(sc->adapter_dmatag); 138114902Sscottl if(sc->irqcookie) 139114902Sscottl bus_teardown_intr(sc->dev, sc->irqres, sc->irqcookie); 140114902Sscottl if(sc->irqres) 141114902Sscottl bus_release_resource(sc->dev, SYS_RES_IRQ, sc->irqrid, sc->irqres); 142114902Sscottl if(sc->iores) 143114902Sscottl bus_release_resource(sc->dev, sc->iotype, sc->rid, sc->iores); 144114902Sscottl return 0; 145114902Sscottl} 146114902Sscottl 147114902Sscottlstatic int ips_pci_detach(device_t dev) 148114902Sscottl{ 149114902Sscottl ips_softc_t *sc; 150114902Sscottl DEVICE_PRINTF(1, dev, "detaching ServeRaid\n"); 151114902Sscottl sc = (ips_softc_t *) device_get_softc(dev); 152114902Sscottl ips_flush_cache(sc); 153114902Sscottl if(ips_adapter_free(sc)) 154114902Sscottl return EBUSY; 155114902Sscottl ips_pci_free(sc); 156114902Sscottl mtx_destroy(&sc->cmd_mtx); 157114902Sscottl return 0; 158114902Sscottl} 159114902Sscottl 160114902Sscottlstatic int ips_pci_shutdown(device_t dev) 161114902Sscottl{ 162114902Sscottl ips_softc_t *sc = (ips_softc_t *) device_get_softc(dev); 163114902Sscottl ips_flush_cache(sc); 164114902Sscottl return 0; 165114902Sscottl} 166114902Sscottl 167114902Sscottlstatic device_method_t ips_driver_methods[] = { 168114902Sscottl DEVMETHOD(device_probe, ips_pci_probe), 169114902Sscottl DEVMETHOD(device_attach, ips_pci_attach), 170114902Sscottl DEVMETHOD(device_detach, ips_pci_detach), 171114902Sscottl DEVMETHOD(device_shutdown, ips_pci_shutdown), 172114902Sscottl {0,0} 173114902Sscottl}; 174114902Sscottl 175114902Sscottlstatic driver_t ips_pci_driver = { 176114902Sscottl "ips", 177114902Sscottl ips_driver_methods, 178114902Sscottl sizeof(ips_softc_t), 179114902Sscottl}; 180114902Sscottl 181114902Sscottlstatic devclass_t ips_devclass; 182114902SscottlDRIVER_MODULE(ips, pci, ips_pci_driver, ips_devclass, 0, 0); 183