2 * Copyright (c) 1999 Michael Smith
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
30 #include <sys/param.h>
31 #include <sys/systm.h>
33 #include <sys/kernel.h>
35 #include <sys/module.h>
36 #include <sys/mutex.h>
42 #include <machine/bus.h>
43 #include <machine/resource.h>
46 #include <geom/geom_disk.h>
48 #include <dev/pci/pcireg.h>
49 #include <dev/pci/pcivar.h>
51 #include <dev/mlx/mlxio.h>
52 #include <dev/mlx/mlxvar.h>
53 #include <dev/mlx/mlxreg.h>
55 static int mlx_pci_probe(device_t dev);
56 static int mlx_pci_attach(device_t dev);
58 static device_method_t mlx_methods[] = {
59 /* Device interface */
60 DEVMETHOD(device_probe, mlx_pci_probe),
61 DEVMETHOD(device_attach, mlx_pci_attach),
62 DEVMETHOD(device_detach, mlx_detach),
63 DEVMETHOD(device_shutdown, mlx_shutdown),
64 DEVMETHOD(device_suspend, mlx_suspend),
65 DEVMETHOD(device_resume, mlx_resume),
70 static driver_t mlx_pci_driver = {
73 sizeof(struct mlx_softc)
76 DRIVER_MODULE(mlx, pci, mlx_pci_driver, mlx_devclass, 0, 0);
86 } mlx_identifiers[] = {
87 {0x1069, 0x0001, 0x0000, 0x0000, MLX_IFTYPE_2, "Mylex version 2 RAID interface"},
88 {0x1069, 0x0002, 0x0000, 0x0000, MLX_IFTYPE_3, "Mylex version 3 RAID interface"},
89 {0x1069, 0x0010, 0x0000, 0x0000, MLX_IFTYPE_4, "Mylex version 4 RAID interface"},
90 {0x1011, 0x1065, 0x1069, 0x0020, MLX_IFTYPE_5, "Mylex version 5 RAID interface"},
94 static struct mlx_ident *
95 mlx_pci_match(device_t dev)
99 for (m = mlx_identifiers; m->vendor != 0; m++) {
100 if ((m->vendor == pci_get_vendor(dev)) &&
101 (m->device == pci_get_device(dev)) &&
102 ((m->subvendor == 0) || ((m->subvendor == pci_get_subvendor(dev)) &&
103 (m->subdevice == pci_get_subdevice(dev)))))
110 mlx_pci_probe(device_t dev)
116 m = mlx_pci_match(dev);
118 device_set_desc(dev, m->desc);
119 return(BUS_PROBE_DEFAULT);
125 mlx_pci_attach(device_t dev)
127 struct mlx_softc *sc;
133 pci_enable_busmaster(dev);
135 sc = device_get_softc(dev);
139 * Work out what sort of adapter this is (we need to know this in order
140 * to map the appropriate interface resources).
142 m = mlx_pci_match(dev);
143 if (m == NULL) /* shouldn't happen */
145 sc->mlx_iftype = m->iftype;
147 mtx_init(&sc->mlx_io_lock, "mlx I/O", NULL, MTX_DEF);
148 sx_init(&sc->mlx_config_lock, "mlx config");
149 callout_init_mtx(&sc->mlx_timeout, &sc->mlx_io_lock, 0);
152 * Allocate the PCI register window.
155 /* type 2/3 adapters have an I/O region we don't prefer at base 0 */
156 switch(sc->mlx_iftype) {
159 sc->mlx_mem_type = SYS_RES_MEMORY;
160 sc->mlx_mem_rid = MLX_CFG_BASE1;
161 sc->mlx_mem = bus_alloc_resource_any(dev, sc->mlx_mem_type,
162 &sc->mlx_mem_rid, RF_ACTIVE);
163 if (sc->mlx_mem == NULL) {
164 sc->mlx_mem_type = SYS_RES_IOPORT;
165 sc->mlx_mem_rid = MLX_CFG_BASE0;
166 sc->mlx_mem = bus_alloc_resource_any(dev, sc->mlx_mem_type,
167 &sc->mlx_mem_rid, RF_ACTIVE);
172 sc->mlx_mem_type = SYS_RES_MEMORY;
173 sc->mlx_mem_rid = MLX_CFG_BASE0;
174 sc->mlx_mem = bus_alloc_resource_any(dev, sc->mlx_mem_type,
175 &sc->mlx_mem_rid, RF_ACTIVE);
178 if (sc->mlx_mem == NULL) {
179 device_printf(sc->mlx_dev, "couldn't allocate mailbox window\n");
185 * Allocate the parent bus DMA tag appropriate for PCI.
187 error = bus_dma_tag_create(bus_get_dma_tag(dev), /* PCI parent */
188 1, 0, /* alignment, boundary */
189 BUS_SPACE_MAXADDR_32BIT, /* lowaddr */
190 BUS_SPACE_MAXADDR, /* highaddr */
191 NULL, NULL, /* filter, filterarg */
192 MAXBSIZE, MLX_NSEG, /* maxsize, nsegments */
193 BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */
194 BUS_DMA_ALLOCNOW, /* flags */
197 &sc->mlx_parent_dmat);
199 device_printf(dev, "can't allocate parent DMA tag\n");
205 * Do bus-independant initialisation.
207 error = mlx_attach(sc);
214 * Start the controller.