273 lines
8.5 KiB
C
273 lines
8.5 KiB
C
/*-
|
|
* Copyright (c) 2000 Michael Smith
|
|
* Copyright (c) 2000 BSDi
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
/*
|
|
* PCI bus interface and resource allocation.
|
|
*/
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/kernel.h>
|
|
|
|
#include <dev/aac/aac_compat.h>
|
|
#include <sys/bus.h>
|
|
#include <sys/conf.h>
|
|
#include <sys/devicestat.h>
|
|
#include <sys/disk.h>
|
|
|
|
#include <machine/bus_memio.h>
|
|
#include <machine/bus.h>
|
|
#include <machine/resource.h>
|
|
#include <sys/rman.h>
|
|
|
|
#include <pci/pcireg.h>
|
|
#include <pci/pcivar.h>
|
|
|
|
#include <dev/aac/aacreg.h>
|
|
#include <dev/aac/aacvar.h>
|
|
|
|
static int aac_pci_probe(device_t dev);
|
|
static int aac_pci_attach(device_t dev);
|
|
|
|
static device_method_t aac_methods[] = {
|
|
/* Device interface */
|
|
DEVMETHOD(device_probe, aac_pci_probe),
|
|
DEVMETHOD(device_attach, aac_pci_attach),
|
|
DEVMETHOD(device_detach, aac_detach),
|
|
DEVMETHOD(device_shutdown, aac_shutdown),
|
|
DEVMETHOD(device_suspend, aac_suspend),
|
|
DEVMETHOD(device_resume, aac_resume),
|
|
|
|
DEVMETHOD(bus_print_child, bus_generic_print_child),
|
|
DEVMETHOD(bus_driver_added, bus_generic_driver_added),
|
|
{ 0, 0 }
|
|
};
|
|
|
|
static driver_t aac_pci_driver = {
|
|
"aac",
|
|
aac_methods,
|
|
sizeof(struct aac_softc)
|
|
};
|
|
|
|
DRIVER_MODULE(aac, pci, aac_pci_driver, aac_devclass, 0, 0);
|
|
|
|
struct aac_ident
|
|
{
|
|
u_int16_t vendor;
|
|
u_int16_t device;
|
|
u_int16_t subvendor;
|
|
u_int16_t subdevice;
|
|
int hwif;
|
|
char *desc;
|
|
} aac_identifiers[] = {
|
|
{0x1028, 0x0001, 0x1028, 0x0001, AAC_HWIF_I960RX, "Dell PERC 2/Si"},
|
|
{0x1028, 0x0002, 0x1028, 0x0002, AAC_HWIF_I960RX, "Dell PERC 3/Di"},
|
|
{0x1028, 0x0003, 0x1028, 0x0003, AAC_HWIF_I960RX, "Dell PERC 3/Si"},
|
|
{0x9005, 0x0282, 0x9005, 0x0282, AAC_HWIF_I960RX, "Adaptec AAC-2622"},
|
|
{0x1011, 0x0046, 0x9005, 0x0364, AAC_HWIF_STRONGARM, "Adaptec AAC-364"},
|
|
{0x1011, 0x0046, 0x9005, 0x0365, AAC_HWIF_STRONGARM, "Adaptec AAC-3642"},
|
|
{0x1011, 0x0046, 0x9005, 0x1364, AAC_HWIF_STRONGARM, "Dell PERC 2/QC"},
|
|
{0x1011, 0x0046, 0x9005, 0x1365, AAC_HWIF_STRONGARM, "Dell PERC 3/QC"}, /* XXX guess */
|
|
{0x1011, 0x0046, 0x103c, 0x10c2, AAC_HWIF_STRONGARM, "HP NetRaid-4M"},
|
|
{0, 0, 0, 0, 0, 0}
|
|
};
|
|
|
|
/********************************************************************************
|
|
* Determine whether this is one of our supported adapters.
|
|
*/
|
|
static int
|
|
aac_pci_probe(device_t dev)
|
|
{
|
|
struct aac_ident *m;
|
|
|
|
debug_called(1);
|
|
|
|
for (m = aac_identifiers; m->vendor != 0; m++) {
|
|
if ((m->vendor == pci_get_vendor(dev)) &&
|
|
(m->device == pci_get_device(dev)) &&
|
|
((m->subvendor == 0) || (m->subvendor == pci_get_subvendor(dev))) &&
|
|
((m->subdevice == 0) || ((m->subdevice == pci_get_subdevice(dev))))) {
|
|
|
|
device_set_desc(dev, m->desc);
|
|
return(-10); /* allow room to be overridden */
|
|
}
|
|
}
|
|
return(ENXIO);
|
|
}
|
|
|
|
/********************************************************************************
|
|
* Allocate resources for our device, set up the bus interface.
|
|
*/
|
|
static int
|
|
aac_pci_attach(device_t dev)
|
|
{
|
|
struct aac_softc *sc;
|
|
int i, error;
|
|
u_int32_t command;
|
|
|
|
debug_called(1);
|
|
|
|
/*
|
|
* Initialise softc.
|
|
*/
|
|
sc = device_get_softc(dev);
|
|
bzero(sc, sizeof(*sc));
|
|
sc->aac_dev = dev;
|
|
|
|
/* assume failure is 'not configured' */
|
|
error = ENXIO;
|
|
|
|
/*
|
|
* Verify that the adapter is correctly set up in PCI space.
|
|
*/
|
|
command = pci_read_config(sc->aac_dev, PCIR_COMMAND, 2);
|
|
command |= PCIM_CMD_BUSMASTEREN;
|
|
pci_write_config(dev, PCIR_COMMAND, command, 2);
|
|
command = pci_read_config(sc->aac_dev, PCIR_COMMAND, 2);
|
|
if (!(command & PCIM_CMD_BUSMASTEREN)) {
|
|
device_printf(sc->aac_dev, "can't enable bus-master feature\n");
|
|
goto out;
|
|
}
|
|
if ((command & PCIM_CMD_MEMEN) == 0) {
|
|
device_printf(sc->aac_dev, "memory window not available\n");
|
|
goto out;
|
|
}
|
|
|
|
/*
|
|
* Allocate the PCI register window.
|
|
*/
|
|
sc->aac_regs_rid = 0x10; /* first base address register */
|
|
if ((sc->aac_regs_resource = bus_alloc_resource(sc->aac_dev, SYS_RES_MEMORY, &sc->aac_regs_rid,
|
|
0, ~0, 1, RF_ACTIVE)) == NULL) {
|
|
device_printf(sc->aac_dev, "couldn't allocate register window\n");
|
|
goto out;
|
|
}
|
|
sc->aac_btag = rman_get_bustag(sc->aac_regs_resource);
|
|
sc->aac_bhandle = rman_get_bushandle(sc->aac_regs_resource);
|
|
|
|
/*
|
|
* Allocate and connect our interrupt.
|
|
*/
|
|
sc->aac_irq_rid = 0;
|
|
if ((sc->aac_irq = bus_alloc_resource(sc->aac_dev, SYS_RES_IRQ, &sc->aac_irq_rid,
|
|
0, ~0, 1, RF_SHAREABLE | RF_ACTIVE)) == NULL) {
|
|
device_printf(sc->aac_dev, "can't allocate interrupt\n");
|
|
goto out;
|
|
}
|
|
if (bus_setup_intr(sc->aac_dev, sc->aac_irq, INTR_TYPE_BIO, aac_intr, sc, &sc->aac_intr)) {
|
|
device_printf(sc->aac_dev, "can't set up interrupt\n");
|
|
goto out;
|
|
}
|
|
|
|
/* assume failure is 'out of memory' */
|
|
error = ENOMEM;
|
|
|
|
/*
|
|
* Allocate the parent bus DMA tag appropriate for our PCI interface.
|
|
*
|
|
* Note that some of these controllers are 64-bit capable.
|
|
*/
|
|
if (bus_dma_tag_create(NULL, /* parent */
|
|
1, 0, /* alignment, boundary */
|
|
BUS_SPACE_MAXADDR_32BIT, /* lowaddr */
|
|
BUS_SPACE_MAXADDR, /* highaddr */
|
|
NULL, NULL, /* filter, filterarg */
|
|
MAXBSIZE, AAC_MAXSGENTRIES, /* maxsize, nsegments */
|
|
BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */
|
|
BUS_DMA_ALLOCNOW, /* flags */
|
|
&sc->aac_parent_dmat)) {
|
|
device_printf(sc->aac_dev, "can't allocate parent DMA tag\n");
|
|
goto out;
|
|
}
|
|
|
|
/*
|
|
* Create DMA tag for mapping buffers into controller-addressable space.
|
|
*/
|
|
if (bus_dma_tag_create(sc->aac_parent_dmat, /* parent */
|
|
1, 0, /* alignment, boundary */
|
|
BUS_SPACE_MAXADDR, /* lowaddr */
|
|
BUS_SPACE_MAXADDR, /* highaddr */
|
|
NULL, NULL, /* filter, filterarg */
|
|
MAXBSIZE, AAC_MAXSGENTRIES, /* maxsize, nsegments */
|
|
BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */
|
|
0, /* flags */
|
|
&sc->aac_buffer_dmat)) {
|
|
device_printf(sc->aac_dev, "can't allocate buffer DMA tag\n");
|
|
goto out;
|
|
}
|
|
|
|
/*
|
|
* Create DMA tag for mapping FIBs into controller-addressable space..
|
|
*/
|
|
if (bus_dma_tag_create(sc->aac_parent_dmat, /* parent */
|
|
1, 0, /* alignment, boundary */
|
|
BUS_SPACE_MAXADDR, /* lowaddr */
|
|
BUS_SPACE_MAXADDR, /* highaddr */
|
|
NULL, NULL, /* filter, filterarg */
|
|
AAC_CLUSTER_COUNT * sizeof(struct aac_fib), 1,/* maxsize, nsegments */
|
|
BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */
|
|
0, /* flags */
|
|
&sc->aac_fib_dmat)) {
|
|
device_printf(sc->aac_dev, "can't allocate FIB DMA tag\n");
|
|
goto out;
|
|
}
|
|
|
|
/*
|
|
* Detect the hardware interface version, set up the bus interface indirection.
|
|
*/
|
|
for (i = 0; aac_identifiers[i].vendor != 0; i++) {
|
|
if ((aac_identifiers[i].vendor == pci_get_vendor(dev)) &&
|
|
(aac_identifiers[i].device == pci_get_device(dev))) {
|
|
sc->aac_hwif = aac_identifiers[i].hwif;
|
|
switch(sc->aac_hwif) {
|
|
case AAC_HWIF_I960RX:
|
|
debug(2, "set hardware up for i960Rx");
|
|
sc->aac_if = aac_rx_interface;
|
|
break;
|
|
|
|
case AAC_HWIF_STRONGARM:
|
|
debug(2, "set hardware up for StrongARM");
|
|
sc->aac_if = aac_sa_interface;
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Do bus-independent initialisation.
|
|
*/
|
|
error = aac_attach(sc);
|
|
|
|
out:
|
|
if (error)
|
|
aac_free(sc);
|
|
return(error);
|
|
}
|