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>
32 #include <sys/kernel.h>
33 #include <sys/module.h>
38 #include <machine/bus.h>
39 #include <machine/resource.h>
42 #include <geom/geom_disk.h>
44 #include <dev/pci/pcireg.h>
45 #include <dev/pci/pcivar.h>
47 #include <dev/mlx/mlx_compat.h>
48 #include <dev/mlx/mlxio.h>
49 #include <dev/mlx/mlxvar.h>
50 #include <dev/mlx/mlxreg.h>
52 static int mlx_pci_probe(device_t dev);
53 static int mlx_pci_attach(device_t dev);
55 static device_method_t mlx_methods[] = {
56 /* Device interface */
57 DEVMETHOD(device_probe, mlx_pci_probe),
58 DEVMETHOD(device_attach, mlx_pci_attach),
59 DEVMETHOD(device_detach, mlx_detach),
60 DEVMETHOD(device_shutdown, mlx_shutdown),
61 DEVMETHOD(device_suspend, mlx_suspend),
62 DEVMETHOD(device_resume, mlx_resume),
67 static driver_t mlx_pci_driver = {
70 sizeof(struct mlx_softc)
73 DRIVER_MODULE(mlx, pci, mlx_pci_driver, mlx_devclass, 0, 0);
83 } mlx_identifiers[] = {
84 {0x1069, 0x0001, 0x0000, 0x0000, MLX_IFTYPE_2, "Mylex version 2 RAID interface"},
85 {0x1069, 0x0002, 0x0000, 0x0000, MLX_IFTYPE_3, "Mylex version 3 RAID interface"},
86 {0x1069, 0x0010, 0x0000, 0x0000, MLX_IFTYPE_4, "Mylex version 4 RAID interface"},
87 {0x1011, 0x1065, 0x1069, 0x0020, MLX_IFTYPE_5, "Mylex version 5 RAID interface"},
92 mlx_pci_probe(device_t dev)
98 for (m = mlx_identifiers; m->vendor != 0; m++) {
99 if ((m->vendor == pci_get_vendor(dev)) &&
100 (m->device == pci_get_device(dev)) &&
101 ((m->subvendor == 0) || ((m->subvendor == pci_get_subvendor(dev)) &&
102 (m->subdevice == pci_get_subdevice(dev))))) {
104 device_set_desc(dev, m->desc);
105 return(BUS_PROBE_DEFAULT);
112 mlx_pci_attach(device_t dev)
114 struct mlx_softc *sc;
119 /* force the busmaster enable bit on */
120 pci_enable_busmaster(dev);
125 sc = device_get_softc(dev);
126 bzero(sc, sizeof(*sc));
130 * Work out what sort of adapter this is (we need to know this in order
131 * to map the appropriate interface resources).
134 for (i = 0; mlx_identifiers[i].vendor != 0; i++) {
135 if ((mlx_identifiers[i].vendor == pci_get_vendor(dev)) &&
136 (mlx_identifiers[i].device == pci_get_device(dev))) {
137 sc->mlx_iftype = mlx_identifiers[i].iftype;
141 if (sc->mlx_iftype == 0) /* shouldn't happen */
145 * Allocate the PCI register window.
148 /* type 2/3 adapters have an I/O region we don't prefer at base 0 */
149 switch(sc->mlx_iftype) {
152 sc->mlx_mem_type = SYS_RES_MEMORY;
153 sc->mlx_mem_rid = MLX_CFG_BASE1;
154 sc->mlx_mem = bus_alloc_resource_any(dev, sc->mlx_mem_type,
155 &sc->mlx_mem_rid, RF_ACTIVE);
156 if (sc->mlx_mem == NULL) {
157 sc->mlx_mem_type = SYS_RES_IOPORT;
158 sc->mlx_mem_rid = MLX_CFG_BASE0;
159 sc->mlx_mem = bus_alloc_resource_any(dev, sc->mlx_mem_type,
160 &sc->mlx_mem_rid, RF_ACTIVE);
165 sc->mlx_mem_type = SYS_RES_MEMORY;
166 sc->mlx_mem_rid = MLX_CFG_BASE0;
167 sc->mlx_mem = bus_alloc_resource_any(dev, sc->mlx_mem_type,
168 &sc->mlx_mem_rid, RF_ACTIVE);
171 if (sc->mlx_mem == NULL) {
172 device_printf(sc->mlx_dev, "couldn't allocate mailbox window\n");
176 sc->mlx_btag = rman_get_bustag(sc->mlx_mem);
177 sc->mlx_bhandle = rman_get_bushandle(sc->mlx_mem);
180 * Allocate the parent bus DMA tag appropriate for PCI.
182 error = bus_dma_tag_create(bus_get_dma_tag(dev), /* PCI parent */
183 1, 0, /* alignment, boundary */
184 BUS_SPACE_MAXADDR_32BIT, /* lowaddr */
185 BUS_SPACE_MAXADDR, /* highaddr */
186 NULL, NULL, /* filter, filterarg */
187 MAXBSIZE, MLX_NSEG, /* maxsize, nsegments */
188 BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */
189 BUS_DMA_ALLOCNOW, /* flags */
192 &sc->mlx_parent_dmat);
194 device_printf(dev, "can't allocate parent DMA tag\n");
200 * Do bus-independant initialisation.
202 error = mlx_attach(sc);
209 * Start the controller.