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),
64 DEVMETHOD(bus_print_child, bus_generic_print_child),
65 DEVMETHOD(bus_driver_added, bus_generic_driver_added),
69 static driver_t mlx_pci_driver = {
72 sizeof(struct mlx_softc)
75 DRIVER_MODULE(mlx, pci, mlx_pci_driver, mlx_devclass, 0, 0);
85 } mlx_identifiers[] = {
86 {0x1069, 0x0001, 0x0000, 0x0000, MLX_IFTYPE_2, "Mylex version 2 RAID interface"},
87 {0x1069, 0x0002, 0x0000, 0x0000, MLX_IFTYPE_3, "Mylex version 3 RAID interface"},
88 {0x1069, 0x0010, 0x0000, 0x0000, MLX_IFTYPE_4, "Mylex version 4 RAID interface"},
89 {0x1011, 0x1065, 0x1069, 0x0020, MLX_IFTYPE_5, "Mylex version 5 RAID interface"},
94 mlx_pci_probe(device_t dev)
100 for (m = mlx_identifiers; m->vendor != 0; m++) {
101 if ((m->vendor == pci_get_vendor(dev)) &&
102 (m->device == pci_get_device(dev)) &&
103 ((m->subvendor == 0) || ((m->subvendor == pci_get_subvendor(dev)) &&
104 (m->subdevice == pci_get_subdevice(dev))))) {
106 device_set_desc(dev, m->desc);
107 return(BUS_PROBE_DEFAULT);
114 mlx_pci_attach(device_t dev)
116 struct mlx_softc *sc;
123 * Make sure we are going to be able to talk to this board.
125 command = pci_read_config(dev, PCIR_COMMAND, 2);
126 if ((command & PCIM_CMD_MEMEN) == 0) {
127 device_printf(dev, "memory window not available\n");
130 /* force the busmaster enable bit on */
131 command |= PCIM_CMD_BUSMASTEREN;
132 pci_write_config(dev, PCIR_COMMAND, command, 2);
137 sc = device_get_softc(dev);
138 bzero(sc, sizeof(*sc));
142 * Work out what sort of adapter this is (we need to know this in order
143 * to map the appropriate interface resources).
146 for (i = 0; mlx_identifiers[i].vendor != 0; i++) {
147 if ((mlx_identifiers[i].vendor == pci_get_vendor(dev)) &&
148 (mlx_identifiers[i].device == pci_get_device(dev))) {
149 sc->mlx_iftype = mlx_identifiers[i].iftype;
153 if (sc->mlx_iftype == 0) /* shouldn't happen */
157 * Allocate the PCI register window.
160 /* type 2/3 adapters have an I/O region we don't prefer at base 0 */
161 switch(sc->mlx_iftype) {
164 sc->mlx_mem_type = SYS_RES_MEMORY;
165 sc->mlx_mem_rid = MLX_CFG_BASE1;
166 sc->mlx_mem = bus_alloc_resource_any(dev, sc->mlx_mem_type,
167 &sc->mlx_mem_rid, RF_ACTIVE);
168 if (sc->mlx_mem == NULL) {
169 sc->mlx_mem_type = SYS_RES_IOPORT;
170 sc->mlx_mem_rid = MLX_CFG_BASE0;
171 sc->mlx_mem = bus_alloc_resource_any(dev, sc->mlx_mem_type,
172 &sc->mlx_mem_rid, RF_ACTIVE);
177 sc->mlx_mem_type = SYS_RES_MEMORY;
178 sc->mlx_mem_rid = MLX_CFG_BASE0;
179 sc->mlx_mem = bus_alloc_resource_any(dev, sc->mlx_mem_type,
180 &sc->mlx_mem_rid, RF_ACTIVE);
183 if (sc->mlx_mem == NULL) {
184 device_printf(sc->mlx_dev, "couldn't allocate mailbox window\n");
188 sc->mlx_btag = rman_get_bustag(sc->mlx_mem);
189 sc->mlx_bhandle = rman_get_bushandle(sc->mlx_mem);
192 * Allocate the parent bus DMA tag appropriate for PCI.
194 error = bus_dma_tag_create(NULL, /* parent */
195 1, 0, /* alignment, boundary */
196 BUS_SPACE_MAXADDR_32BIT, /* lowaddr */
197 BUS_SPACE_MAXADDR, /* highaddr */
198 NULL, NULL, /* filter, filterarg */
199 MAXBSIZE, MLX_NSEG, /* maxsize, nsegments */
200 BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */
201 BUS_DMA_ALLOCNOW, /* flags */
204 &sc->mlx_parent_dmat);
206 device_printf(dev, "can't allocate parent DMA tag\n");
212 * Do bus-independant initialisation.
214 error = mlx_attach(sc);
221 * Start the controller.