1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 2001,2002,2003 Søren Schmidt <sos@FreeBSD.org> 5 * All rights reserved. 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 * without modification, immediately at the beginning of the file. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. The name of the author may not be used to endorse or promote products 17 * derived from this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #include <sys/param.h> 32 #include <sys/systm.h> 33 #include <sys/kernel.h> 34 #include <sys/module.h> 35 #include <sys/bus.h> 36 #include <sys/bio.h> 37 #include <sys/malloc.h> 38 #include <sys/lock.h> 39 #include <sys/mutex.h> 40 #include <vm/vm.h> 41 #include <vm/pmap.h> 42 #include <machine/stdarg.h> 43 #include <machine/resource.h> 44 #include <machine/bus.h> 45 #include <sys/rman.h> 46 #include <dev/pci/pcivar.h> 47 #include <dev/pci/pcireg.h> 48 49 #include "dev/pst/pst-iop.h" 50 51 static int 52 iop_pci_probe(device_t dev) 53 { 54 /* tested with actual hardware kindly donated by Promise */ 55 if (pci_get_devid(dev) == 0x19628086 && pci_get_subvendor(dev) == 0x105a) { 56 device_set_desc(dev, "Promise SuperTrak SX6000 ATA RAID controller"); 57 return BUS_PROBE_DEFAULT; 58 } 59 60 /* support the older SuperTrak 100 as well */ 61 if (pci_get_devid(dev) == 0x19608086 && pci_get_subvendor(dev) == 0x105a) { 62 device_set_desc(dev, "Promise SuperTrak 100 ATA RAID controller"); 63 return BUS_PROBE_DEFAULT; 64 } 65 66 return ENXIO; 67 } 68 69 static int 70 iop_pci_attach(device_t dev) 71 { 72 struct iop_softc *sc = device_get_softc(dev); 73 int rid; 74 75 /* get resources */ 76 rid = PCIR_BAR(0); 77 sc->r_mem = 78 bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE); 79 80 if (!sc->r_mem) 81 return ENXIO; 82 83 rid = 0x00; 84 sc->r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 85 RF_SHAREABLE | RF_ACTIVE); 86 87 /* now setup the infrastructure to talk to the device */ 88 pci_enable_busmaster(dev); 89 90 sc->ibase = rman_get_virtual(sc->r_mem); 91 sc->reg = (struct i2o_registers *)sc->ibase; 92 sc->dev = dev; 93 mtx_init(&sc->mtx, "pst lock", NULL, MTX_DEF); 94 95 if (!iop_init(sc)) 96 return 0; 97 return bus_generic_attach(dev); 98 } 99 100 static int 101 iop_pci_detach(device_t dev) 102 { 103 struct iop_softc *sc = device_get_softc(dev); 104 int error; 105 106 error = bus_generic_detach(dev); 107 if (error) 108 return (error); 109 bus_teardown_intr(dev, sc->r_irq, sc->handle); 110 bus_release_resource(dev, SYS_RES_IRQ, 0x00, sc->r_irq); 111 bus_release_resource(dev, SYS_RES_MEMORY, PCIR_BAR(0), sc->r_mem); 112 mtx_destroy(&sc->mtx); 113 return (0); 114 } 115 116 static device_method_t pst_pci_methods[] = { 117 DEVMETHOD(device_probe, iop_pci_probe), 118 DEVMETHOD(device_attach, iop_pci_attach), 119 DEVMETHOD(device_detach, iop_pci_detach), 120 { 0, 0 } 121 }; 122 123 static driver_t pst_pci_driver = { 124 "pstpci", 125 pst_pci_methods, 126 sizeof(struct iop_softc), 127 }; 128 129 DRIVER_MODULE(pstpci, pci, pst_pci_driver, 0, 0); 130