Current Path : /sys/dev/pst/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //sys/dev/pst/pst-pci.c |
/*- * Copyright (c) 2001,2002,2003 Søren Schmidt <sos@FreeBSD.org> * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer, * without modification, immediately at the beginning of the file. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include <sys/cdefs.h> __FBSDID("$FreeBSD: release/9.1.0/sys/dev/pst/pst-pci.c 230317 2012-01-18 21:49:37Z truckman $"); #include <sys/param.h> #include <sys/systm.h> #include <sys/kernel.h> #include <sys/module.h> #include <sys/bus.h> #include <sys/bio.h> #include <sys/malloc.h> #include <sys/lock.h> #include <sys/mutex.h> #include <vm/vm.h> #include <vm/pmap.h> #include <machine/stdarg.h> #include <machine/resource.h> #include <machine/bus.h> #include <sys/rman.h> #include <dev/pci/pcivar.h> #include <dev/pci/pcireg.h> #include "dev/pst/pst-iop.h" static int iop_pci_probe(device_t dev) { /* tested with actual hardware kindly donated by Promise */ if (pci_get_devid(dev) == 0x19628086 && pci_get_subvendor(dev) == 0x105a) { device_set_desc(dev, "Promise SuperTrak SX6000 ATA RAID controller"); return BUS_PROBE_DEFAULT; } /* support the older SuperTrak 100 as well */ if (pci_get_devid(dev) == 0x19608086 && pci_get_subvendor(dev) == 0x105a) { device_set_desc(dev, "Promise SuperTrak 100 ATA RAID controller"); return BUS_PROBE_DEFAULT; } return ENXIO; } static int iop_pci_attach(device_t dev) { struct iop_softc *sc = device_get_softc(dev); int rid; bzero(sc, sizeof(struct iop_softc)); /* get resources */ rid = 0x10; sc->r_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE); if (!sc->r_mem) return 0; rid = 0x00; sc->r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_SHAREABLE | RF_ACTIVE); /* now setup the infrastructure to talk to the device */ pci_write_config(dev, PCIR_COMMAND, pci_read_config(dev, PCIR_COMMAND, 1) | PCIM_CMD_MEMEN | PCIM_CMD_BUSMASTEREN, 1); sc->ibase = rman_get_virtual(sc->r_mem); sc->reg = (struct i2o_registers *)sc->ibase; sc->dev = dev; mtx_init(&sc->mtx, "pst lock", NULL, MTX_DEF); if (!iop_init(sc)) return 0; return bus_generic_attach(dev); } static int iop_pci_detach(device_t dev) { struct iop_softc *sc = device_get_softc(dev); bus_teardown_intr(dev, sc->r_irq, sc->handle); bus_release_resource(dev, SYS_RES_IRQ, 0x00, sc->r_irq); bus_release_resource(dev, SYS_RES_MEMORY, 0x10, sc->r_mem); return bus_generic_detach(dev); } static device_method_t pst_pci_methods[] = { DEVMETHOD(device_probe, iop_pci_probe), DEVMETHOD(device_attach, iop_pci_attach), DEVMETHOD(device_detach, iop_pci_detach), { 0, 0 } }; static driver_t pst_pci_driver = { "pstpci", pst_pci_methods, sizeof(struct iop_softc), }; static devclass_t pst_pci_devclass; DRIVER_MODULE(pstpci, pci, pst_pci_driver, pst_pci_devclass, 0, 0);