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
iop_pci_probe(device_t dev)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
iop_pci_attach(device_t dev)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
iop_pci_detach(device_t dev)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