sys/dev/raid/pst/pst-pci.c

   1 /*-
   2  * Copyright (c) 2001,2002 Søren 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  * $FreeBSD: src/sys/dev/pst/pst-pci.c,v 1.1.2.1 2002/08/18 12:32:36 sos Exp $
  29  * $DragonFly: src/sys/dev/raid/pst/pst-pci.c,v 1.4 2006/10/25 20:56:01 dillon Exp $
  30  */
  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/buf.h>
  38 #include <sys/malloc.h>
  39 #include <sys/rman.h>
  40
  41 #include <vm/vm.h>
  42 #include <vm/pmap.h>
  43
  44 #include <machine/stdarg.h>
  45
  46 #include <bus/pci/pcivar.h>
  47 #include <bus/pci/pcireg.h>
  48
  49 #include "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 0;
  58     }
  59
  60     /* this should work as well (not tested no hardware) */
  61     if (pci_get_devid(dev) == 0x09628086 && pci_get_subvendor(dev) == 0x105a) {
  62         device_set_desc(dev, "Promise SuperTrak 100 ATA RAID controller");
  63         return 0;
  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     bzero(sc, sizeof(struct iop_softc));
  76
  77     /* get resources */
  78     rid = 0x10;
  79     sc->r_mem =
  80         bus_alloc_resource(dev, SYS_RES_MEMORY, &rid, 0, ~0, 1, RF_ACTIVE);
  81
  82     if (!sc->r_mem)
  83         return 0;
  84
  85     rid = 0x00;
  86     sc->r_irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0,
  87                                    1, RF_SHAREABLE | RF_ACTIVE);
  88
  89     /* now setup the infrastructure to talk to the device */
  90     pci_write_config(dev, PCIR_COMMAND,
  91                      pci_read_config(dev, PCIR_COMMAND, 1) |
  92                      PCIM_CMD_MEMEN | PCIM_CMD_BUSMASTEREN, 1);
  93
  94     sc->ibase = rman_get_virtual(sc->r_mem);
  95     sc->phys_ibase = vtophys(sc->ibase);
  96     sc->reg = (struct i2o_registers *)sc->ibase;
  97     sc->dev = dev;
  98
  99     if (!iop_init(sc))
 100         return 0;
 101
 102     return bus_generic_attach(dev);
 103 }
 104
 105 static device_method_t pst_pci_methods[] = {
 106     DEVMETHOD(device_probe,             iop_pci_probe),
 107     DEVMETHOD(device_attach,            iop_pci_attach),
 108     { 0, 0 }
 109 };
 110
 111 static driver_t pst_pci_driver = {
 112     "pstpci",
 113     pst_pci_methods,
 114     sizeof(struct iop_softc),
 115 };
 116
 117 static devclass_t pst_pci_devclass;
 118
 119 DRIVER_MODULE(pstpci, pci, pst_pci_driver, pst_pci_devclass, 0, 0);