1 /*- 2 * Copyright (c) 2001,2002,2003 S�ren Schmidt <sos@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer, 10 * without modification, immediately at the beginning of the file. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __FBSDID("$FreeBSD$"); 31 32 #include <sys/param.h> 33 #include <sys/systm.h> 34 #include <sys/kernel.h> 35 #include <sys/module.h> 36 #include <sys/bus.h> 37 #include <sys/bio.h> 38 #include <sys/malloc.h> 39 #include <sys/lock.h> 40 #include <sys/mutex.h> 41 #include <vm/vm.h> 42 #include <vm/pmap.h> 43 #include <machine/stdarg.h> 44 #include <machine/resource.h> 45 #include <machine/bus.h> 46 #include <sys/rman.h> 47 #include <dev/pci/pcivar.h> 48 #include <dev/pci/pcireg.h> 49 50 #include "dev/pst/pst-iop.h" 51 52 static int 53 iop_pci_probe(device_t dev) 54 { 55 /* tested with actual hardware kindly donated by Promise */ 56 if (pci_get_devid(dev) == 0x19628086 && pci_get_subvendor(dev) == 0x105a) { 57 device_set_desc(dev, "Promise SuperTrak SX6000 ATA RAID controller"); 58 return BUS_PROBE_DEFAULT; 59 } 60 61 /* support the older SuperTrak 100 as well */ 62 if (pci_get_devid(dev) == 0x19608086 && pci_get_subvendor(dev) == 0x105a) { 63 device_set_desc(dev, "Promise SuperTrak 100 ATA RAID controller"); 64 return BUS_PROBE_DEFAULT; 65 } 66 67 return ENXIO; 68 } 69 70 static int 71 iop_pci_attach(device_t dev) 72 { 73 struct iop_softc *sc = device_get_softc(dev); 74 int rid; 75 76 bzero(sc, sizeof(struct iop_softc)); 77 78 /* get resources */ 79 rid = 0x10; 80 sc->r_mem = 81 bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE); 82 83 if (!sc->r_mem) 84 return 0; 85 86 rid = 0x00; 87 sc->r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 88 RF_SHAREABLE | RF_ACTIVE); 89 90 /* now setup the infrastructure to talk to the device */ 91 pci_write_config(dev, PCIR_COMMAND, 92 pci_read_config(dev, PCIR_COMMAND, 1) | 93 PCIM_CMD_MEMEN | PCIM_CMD_BUSMASTEREN, 1); 94 95 sc->ibase = rman_get_virtual(sc->r_mem); 96 sc->reg = (struct i2o_registers *)sc->ibase; 97 sc->dev = dev; 98 mtx_init(&sc->mtx, "pst lock", MTX_DEF, 0); 99 100 if (!iop_init(sc)) 101 return 0; 102 return bus_generic_attach(dev); 103 } 104 105 static int 106 iop_pci_detach(device_t dev) 107 { 108 struct iop_softc *sc = device_get_softc(dev); 109 110 bus_teardown_intr(dev, sc->r_irq, sc->handle); 111 bus_release_resource(dev, SYS_RES_IRQ, 0x00, sc->r_irq); 112 bus_release_resource(dev, SYS_RES_MEMORY, 0x10, sc->r_mem); 113 return bus_generic_detach(dev); 114 } 115 116 117 static device_method_t pst_pci_methods[] = { 118 DEVMETHOD(device_probe, iop_pci_probe), 119 DEVMETHOD(device_attach, iop_pci_attach), 120 DEVMETHOD(device_detach, iop_pci_detach), 121 { 0, 0 } 122 }; 123 124 static driver_t pst_pci_driver = { 125 "pstpci", 126 pst_pci_methods, 127 sizeof(struct iop_softc), 128 }; 129 130 static devclass_t pst_pci_devclass; 131 132 DRIVER_MODULE(pstpci, pci, pst_pci_driver, pst_pci_devclass, 0, 0); 133