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/*-
* Copyright (c) 2000 Michael Smith
* Copyright (c) 2001 Scott Long
* Copyright (c) 2000 BSDi
* Copyright (c) 2001-2010 Adaptec, Inc.
* Copyright (c) 2010-2012 PMC-Sierra, Inc.
* 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.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
/*
* PCI bus interface and resource allocation.
*/
#include "opt_aacraid.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/bio.h>
#include <sys/bus.h>
#include <sys/conf.h>
#include <sys/disk.h>
#include <machine/bus.h>
#include <machine/resource.h>
#include <sys/rman.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include <dev/aacraid/aacraid_reg.h>
#include <sys/aac_ioctl.h>
#include <dev/aacraid/aacraid_debug.h>
#include <dev/aacraid/aacraid_var.h>
static int aacraid_pci_probe(device_t dev);
static int aacraid_pci_attach(device_t dev);
static device_method_t aacraid_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, aacraid_pci_probe),
DEVMETHOD(device_attach, aacraid_pci_attach),
DEVMETHOD(device_detach, aacraid_detach),
DEVMETHOD(device_suspend, aacraid_suspend),
DEVMETHOD(device_resume, aacraid_resume),
DEVMETHOD(bus_print_child, bus_generic_print_child),
DEVMETHOD(bus_driver_added, bus_generic_driver_added),
{ 0, 0 }
};
static driver_t aacraid_pci_driver = {
"aacraid",
aacraid_methods,
sizeof(struct aac_softc)
};
static devclass_t aacraid_devclass;
DRIVER_MODULE(aacraid, pci, aacraid_pci_driver, aacraid_devclass, 0, 0);
MODULE_DEPEND(aacraid, pci, 1, 1, 1);
struct aac_ident
{
u_int16_t vendor;
u_int16_t device;
u_int16_t subvendor;
u_int16_t subdevice;
int hwif;
int quirks;
char *desc;
} aacraid_family_identifiers[] = {
{0x9005, 0x028b, 0, 0, AAC_HWIF_SRC, 0,
"Adaptec RAID Controller"},
{0x9005, 0x028c, 0, 0, AAC_HWIF_SRCV, 0,
"Adaptec RAID Controller"},
{0x9005, 0x028d, 0, 0, AAC_HWIF_SRCV, 0,
"Adaptec RAID Controller"},
{0x9005, 0x028f, 0, 0, AAC_HWIF_SRCV, 0,
"Adaptec RAID Controller"},
{0, 0, 0, 0, 0, 0, 0}
};
static struct aac_ident *
aac_find_ident(device_t dev)
{
struct aac_ident *m;
u_int16_t vendid, devid, sub_vendid, sub_devid;
vendid = pci_get_vendor(dev);
devid = pci_get_device(dev);
sub_vendid = pci_get_subvendor(dev);
sub_devid = pci_get_subdevice(dev);
for (m = aacraid_family_identifiers; m->vendor != 0; m++) {
if ((m->vendor == vendid) && (m->device == devid))
return (m);
}
return (NULL);
}
/*
* Determine whether this is one of our supported adapters.
*/
static int
aacraid_pci_probe(device_t dev)
{
struct aac_ident *id;
fwprintf(NULL, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, "");
if ((id = aac_find_ident(dev)) != NULL) {
device_set_desc(dev, id->desc);
return(BUS_PROBE_DEFAULT);
}
return(ENXIO);
}
/*
* Allocate resources for our device, set up the bus interface.
*/
static int
aacraid_pci_attach(device_t dev)
{
struct aac_softc *sc;
struct aac_ident *id;
int error;
u_int32_t command;
fwprintf(NULL, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, "");
/*
* 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.
*/
pci_enable_busmaster(dev);
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;
}
/*
* Detect the hardware interface version, set up the bus interface
* indirection.
*/
id = aac_find_ident(dev);
sc->aac_hwif = id->hwif;
switch(sc->aac_hwif) {
case AAC_HWIF_SRC:
fwprintf(sc, HBA_FLAGS_DBG_INIT_B, "set hardware up for PMC SRC");
sc->aac_if = aacraid_src_interface;
break;
case AAC_HWIF_SRCV:
fwprintf(sc, HBA_FLAGS_DBG_INIT_B, "set hardware up for PMC SRCv");
sc->aac_if = aacraid_srcv_interface;
break;
default:
sc->aac_hwif = AAC_HWIF_UNKNOWN;
device_printf(sc->aac_dev, "unknown hardware type\n");
error = ENXIO;
goto out;
}
/* assume failure is 'out of memory' */
error = ENOMEM;
/*
* Allocate the PCI register window.
*/
sc->aac_regs_rid0 = PCIR_BAR(0);
if ((sc->aac_regs_res0 = bus_alloc_resource_any(sc->aac_dev,
SYS_RES_MEMORY, &sc->aac_regs_rid0, RF_ACTIVE)) == NULL) {
device_printf(sc->aac_dev,
"couldn't allocate register window 0\n");
goto out;
}
sc->aac_btag0 = rman_get_bustag(sc->aac_regs_res0);
sc->aac_bhandle0 = rman_get_bushandle(sc->aac_regs_res0);
sc->aac_regs_rid1 = PCIR_BAR(2);
if ((sc->aac_regs_res1 = bus_alloc_resource_any(sc->aac_dev,
SYS_RES_MEMORY, &sc->aac_regs_rid1, RF_ACTIVE)) == NULL) {
device_printf(sc->aac_dev,
"couldn't allocate register window 1\n");
goto out;
}
sc->aac_btag1 = rman_get_bustag(sc->aac_regs_res1);
sc->aac_bhandle1 = rman_get_bushandle(sc->aac_regs_res1);
/*
* 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(bus_get_dma_tag(dev), /* parent */
PAGE_SIZE, 0, /* algnmnt, boundary */
BUS_SPACE_MAXADDR, /* lowaddr */
BUS_SPACE_MAXADDR, /* highaddr */
NULL, NULL, /* filter, filterarg */
BUS_SPACE_MAXSIZE_32BIT, /* maxsize */
BUS_SPACE_UNRESTRICTED, /* nsegments */
BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */
0, /* flags */
NULL, NULL, /* No locking needed */
&sc->aac_parent_dmat)) {
device_printf(sc->aac_dev, "can't allocate parent DMA tag\n");
goto out;
}
/* Set up quirks */
sc->flags = id->quirks;
/*
* Do bus-independent initialisation.
*/
error = aacraid_attach(sc);
out:
if (error)
aacraid_free(sc);
return(error);
}
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