ips_pci.c revision 117126
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 117126 2003-07-01 15:52:06Z 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; 53116852Sscottl int tval; 54114902Sscottl ips_softc_t *sc; 55114902Sscottl 56116852Sscottl 57116852Sscottl tval = 0; 58116852Sscottl if (resource_int_value(device_get_name(dev), device_get_unit(dev), 59116852Sscottl "disable", &tval) == 0 && tval) { 60116852Sscottl device_printf(dev, "device is disabled\n"); 61116852Sscottl /* but return 0 so the !$)$)*!$*) unit isn't reused */ 62116852Sscottl return (0); 63116852Sscottl } 64114902Sscottl DEVICE_PRINTF(1, dev, "in attach.\n"); 65114902Sscottl sc = (ips_softc_t *)device_get_softc(dev); 66114902Sscottl if(!sc){ 67114902Sscottl printf("how is sc NULL?!\n"); 68114902Sscottl return (ENXIO); 69114902Sscottl } 70114902Sscottl bzero(sc, sizeof(ips_softc_t)); 71114902Sscottl sc->dev = dev; 72114902Sscottl 73114902Sscottl if(pci_get_device(dev) == IPS_MORPHEUS_DEVICE_ID){ 74114902Sscottl sc->ips_adapter_reinit = ips_morpheus_reinit; 75114902Sscottl sc->ips_adapter_intr = ips_morpheus_intr; 76114902Sscottl sc->ips_issue_cmd = ips_issue_morpheus_cmd; 77114902Sscottl } else if(pci_get_device(dev) == IPS_COPPERHEAD_DEVICE_ID){ 78114902Sscottl sc->ips_adapter_reinit = ips_copperhead_reinit; 79114902Sscottl sc->ips_adapter_intr = ips_copperhead_intr; 80114902Sscottl sc->ips_issue_cmd = ips_issue_copperhead_cmd; 81114902Sscottl } else 82114902Sscottl goto error; 83114902Sscottl /* make sure busmastering is on */ 84114902Sscottl command = pci_read_config(dev, PCIR_COMMAND, 1); 85114902Sscottl command |= PCIM_CMD_BUSMASTEREN; 86114902Sscottl pci_write_config(dev, PCIR_COMMAND, command, 1); 87114902Sscottl /* seting up io space */ 88114902Sscottl sc->iores = NULL; 89114902Sscottl if(command & PCIM_CMD_MEMEN){ 90114902Sscottl PRINTF(10, "trying MEMIO\n"); 91114902Sscottl if(pci_get_device(dev) == IPS_MORPHEUS_DEVICE_ID) 92114902Sscottl sc->rid = PCIR_MAPS; 93114902Sscottl else 94114902Sscottl sc->rid = PCIR_MAPS + 4; 95114902Sscottl sc->iotype = SYS_RES_MEMORY; 96114902Sscottl sc->iores = bus_alloc_resource(dev, sc->iotype, &sc->rid, 0, ~0, 1, RF_ACTIVE); 97114902Sscottl } 98114902Sscottl if(!sc->iores && command & PCIM_CMD_PORTEN){ 99114902Sscottl PRINTF(10, "trying PORTIO\n"); 100114902Sscottl sc->rid = PCIR_MAPS; 101114902Sscottl sc->iotype = SYS_RES_IOPORT; 102114902Sscottl sc->iores = bus_alloc_resource(dev, sc->iotype, &sc->rid, 0, ~0, 1, RF_ACTIVE); 103114902Sscottl } 104114902Sscottl if(sc->iores == NULL){ 105114902Sscottl device_printf(dev, "resource allocation failed\n"); 106114902Sscottl return (ENXIO); 107114902Sscottl } 108114902Sscottl sc->bustag = rman_get_bustag(sc->iores); 109114902Sscottl sc->bushandle = rman_get_bushandle(sc->iores); 110114902Sscottl /*allocate an interrupt. when does the irq become active? after leaving attach? */ 111114902Sscottl sc->irqrid = 0; 112114902Sscottl if(!(sc->irqres = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->irqrid, 0, ~0, 1, RF_SHAREABLE | RF_ACTIVE))){ 113114902Sscottl device_printf(dev, "irq allocation failed\n"); 114114902Sscottl goto error; 115114902Sscottl } 116114902Sscottl if(bus_setup_intr(dev, sc->irqres, INTR_TYPE_BIO, sc->ips_adapter_intr, sc, &sc->irqcookie)){ 117114902Sscottl device_printf(dev, "irq setup failed\n"); 118114902Sscottl goto error; 119114902Sscottl } 120114902Sscottl if (bus_dma_tag_create( /* parent */ NULL, 121114902Sscottl /* alignemnt */ 1, 122114902Sscottl /* boundary */ 0, 123114902Sscottl /* lowaddr */ BUS_SPACE_MAXADDR_32BIT, 124114902Sscottl /* highaddr */ BUS_SPACE_MAXADDR, 125114902Sscottl /* filter */ NULL, 126114902Sscottl /* filterarg */ NULL, 127114902Sscottl /* maxsize */ BUS_SPACE_MAXSIZE_32BIT, 128114902Sscottl /* numsegs */ IPS_MAX_SG_ELEMENTS, 129114902Sscottl /* maxsegsize*/ BUS_SPACE_MAXSIZE_32BIT, 130114902Sscottl /* flags */ 0, 131117126Sscottl /* lockfunc */ busdma_lock_mutex, 132117126Sscottl /* lockarg */ &Giant, 133114902Sscottl &sc->adapter_dmatag) != 0) { 134114902Sscottl printf("IPS can't alloc dma tag\n"); 135114902Sscottl goto error; 136114902Sscottl } 137114902Sscottl if(ips_adapter_init(sc)) 138114902Sscottl goto error; 139116852Sscottl sc->configured = 1; 140114902Sscottl return 0; 141114902Sscottlerror: 142114902Sscottl ips_pci_free(sc); 143114902Sscottl return (ENXIO); 144114902Sscottl} 145114902Sscottl 146114902Sscottlstatic int ips_pci_free(ips_softc_t *sc) 147114902Sscottl{ 148114902Sscottl if(sc->adapter_dmatag) 149114902Sscottl bus_dma_tag_destroy(sc->adapter_dmatag); 150114902Sscottl if(sc->irqcookie) 151114902Sscottl bus_teardown_intr(sc->dev, sc->irqres, sc->irqcookie); 152114902Sscottl if(sc->irqres) 153114902Sscottl bus_release_resource(sc->dev, SYS_RES_IRQ, sc->irqrid, sc->irqres); 154114902Sscottl if(sc->iores) 155114902Sscottl bus_release_resource(sc->dev, sc->iotype, sc->rid, sc->iores); 156116852Sscottl sc->configured = 0; 157114902Sscottl return 0; 158114902Sscottl} 159114902Sscottl 160114902Sscottlstatic int ips_pci_detach(device_t dev) 161114902Sscottl{ 162114902Sscottl ips_softc_t *sc; 163114902Sscottl DEVICE_PRINTF(1, dev, "detaching ServeRaid\n"); 164114902Sscottl sc = (ips_softc_t *) device_get_softc(dev); 165116852Sscottl if (sc->configured) { 166116852Sscottl sc->configured = 0; 167116852Sscottl ips_flush_cache(sc); 168116852Sscottl if(ips_adapter_free(sc)) 169116852Sscottl return EBUSY; 170116852Sscottl ips_pci_free(sc); 171116852Sscottl mtx_destroy(&sc->cmd_mtx); 172116852Sscottl } 173114902Sscottl return 0; 174114902Sscottl} 175114902Sscottl 176114902Sscottlstatic int ips_pci_shutdown(device_t dev) 177114902Sscottl{ 178114902Sscottl ips_softc_t *sc = (ips_softc_t *) device_get_softc(dev); 179116852Sscottl if (sc->configured) { 180116852Sscottl ips_flush_cache(sc); 181116852Sscottl } 182114902Sscottl return 0; 183114902Sscottl} 184114902Sscottl 185114902Sscottlstatic device_method_t ips_driver_methods[] = { 186114902Sscottl DEVMETHOD(device_probe, ips_pci_probe), 187114902Sscottl DEVMETHOD(device_attach, ips_pci_attach), 188114902Sscottl DEVMETHOD(device_detach, ips_pci_detach), 189114902Sscottl DEVMETHOD(device_shutdown, ips_pci_shutdown), 190114902Sscottl {0,0} 191114902Sscottl}; 192114902Sscottl 193114902Sscottlstatic driver_t ips_pci_driver = { 194114902Sscottl "ips", 195114902Sscottl ips_driver_methods, 196114902Sscottl sizeof(ips_softc_t), 197114902Sscottl}; 198114902Sscottl 199114902Sscottlstatic devclass_t ips_devclass; 200114902SscottlDRIVER_MODULE(ips, pci, ips_pci_driver, ips_devclass, 0, 0); 201