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FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //sys/amd64/compile/hs32/modules/usr/src/sys/modules/usb/usie/@/dev/siba/siba_bwn.c |
/*-
* Copyright (c) 2009-2010 Weongyo Jeong <weongyo@freebsd.org>
* 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,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
* redistribution must be conditioned upon including a substantially
* similar Disclaimer requirement for further binary redistribution.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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 DAMAGES.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD: release/9.1.0/sys/dev/siba/siba_bwn.c 229093 2011-12-31 14:12:12Z hselasky $");
/*
* Sonics Silicon Backplane front-end for bwn(4).
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/module.h>
#include <sys/kernel.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/errno.h>
#include <machine/bus.h>
#include <machine/resource.h>
#include <sys/bus.h>
#include <sys/rman.h>
#include <sys/socket.h>
#include <net/if.h>
#include <net/if_media.h>
#include <net/if_arp.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcireg.h>
#include <dev/siba/siba_ids.h>
#include <dev/siba/sibareg.h>
#include <dev/siba/sibavar.h>
/*
* PCI glue.
*/
struct siba_bwn_softc {
/* Child driver using MSI. */
device_t ssc_msi_child;
struct siba_softc ssc_siba;
};
#define BS_BAR 0x10
#define PCI_VENDOR_BROADCOM 0x14e4
#define N(a) (sizeof(a) / sizeof(a[0]))
static const struct siba_dev {
uint16_t vid;
uint16_t did;
const char *desc;
} siba_devices[] = {
{ PCI_VENDOR_BROADCOM, 0x4301, "Broadcom BCM4301 802.11b Wireless" },
{ PCI_VENDOR_BROADCOM, 0x4306, "Unknown" },
{ PCI_VENDOR_BROADCOM, 0x4307, "Broadcom BCM4307 802.11b Wireless" },
{ PCI_VENDOR_BROADCOM, 0x4311, "Broadcom BCM4311 802.11b/g Wireless" },
{ PCI_VENDOR_BROADCOM, 0x4312,
"Broadcom BCM4312 802.11a/b/g Wireless" },
{ PCI_VENDOR_BROADCOM, 0x4315, "Broadcom BCM4312 802.11b/g Wireless" },
{ PCI_VENDOR_BROADCOM, 0x4318, "Broadcom BCM4318 802.11b/g Wireless" },
{ PCI_VENDOR_BROADCOM, 0x4319,
"Broadcom BCM4318 802.11a/b/g Wireless" },
{ PCI_VENDOR_BROADCOM, 0x4320, "Broadcom BCM4306 802.11b/g Wireless" },
{ PCI_VENDOR_BROADCOM, 0x4321, "Broadcom BCM4306 802.11a Wireless" },
{ PCI_VENDOR_BROADCOM, 0x4324,
"Broadcom BCM4309 802.11a/b/g Wireless" },
{ PCI_VENDOR_BROADCOM, 0x4325, "Broadcom BCM4306 802.11b/g Wireless" },
{ PCI_VENDOR_BROADCOM, 0x4328, "Unknown" },
{ PCI_VENDOR_BROADCOM, 0x4329, "Unknown" },
{ PCI_VENDOR_BROADCOM, 0x432b, "Unknown" }
};
int siba_core_attach(struct siba_softc *);
int siba_core_detach(struct siba_softc *);
int siba_core_suspend(struct siba_softc *);
int siba_core_resume(struct siba_softc *);
static int
siba_bwn_probe(device_t dev)
{
int i;
uint16_t did, vid;
did = pci_get_device(dev);
vid = pci_get_vendor(dev);
for (i = 0; i < N(siba_devices); i++) {
if (siba_devices[i].did == did && siba_devices[i].vid == vid) {
device_set_desc(dev, siba_devices[i].desc);
return (BUS_PROBE_DEFAULT);
}
}
return (ENXIO);
}
static int
siba_bwn_attach(device_t dev)
{
struct siba_bwn_softc *ssc = device_get_softc(dev);
struct siba_softc *siba = &ssc->ssc_siba;
siba->siba_dev = dev;
siba->siba_type = SIBA_TYPE_PCI;
/*
* Enable bus mastering.
*/
pci_enable_busmaster(dev);
/*
* Setup memory-mapping of PCI registers.
*/
siba->siba_mem_rid = SIBA_PCIR_BAR;
siba->siba_mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
&siba->siba_mem_rid, RF_ACTIVE);
if (siba->siba_mem_res == NULL) {
device_printf(dev, "cannot map register space\n");
return (ENXIO);
}
siba->siba_mem_bt = rman_get_bustag(siba->siba_mem_res);
siba->siba_mem_bh = rman_get_bushandle(siba->siba_mem_res);
/* Get more PCI information */
siba->siba_pci_did = pci_get_device(dev);
siba->siba_pci_vid = pci_get_vendor(dev);
siba->siba_pci_subvid = pci_get_subvendor(dev);
siba->siba_pci_subdid = pci_get_subdevice(dev);
siba->siba_pci_revid = pci_get_revid(dev);
return (siba_core_attach(siba));
}
static int
siba_bwn_detach(device_t dev)
{
struct siba_bwn_softc *ssc = device_get_softc(dev);
struct siba_softc *siba = &ssc->ssc_siba;
/* check if device was removed */
siba->siba_invalid = !bus_child_present(dev);
pci_disable_busmaster(dev);
bus_generic_detach(dev);
siba_core_detach(siba);
bus_release_resource(dev, SYS_RES_MEMORY, BS_BAR, siba->siba_mem_res);
return (0);
}
static int
siba_bwn_shutdown(device_t dev)
{
device_t *devlistp;
int devcnt, error = 0, i;
error = device_get_children(dev, &devlistp, &devcnt);
if (error != 0)
return (error);
for (i = 0 ; i < devcnt ; i++)
device_shutdown(devlistp[i]);
free(devlistp, M_TEMP);
return (0);
}
static int
siba_bwn_suspend(device_t dev)
{
struct siba_bwn_softc *ssc = device_get_softc(dev);
struct siba_softc *siba = &ssc->ssc_siba;
device_t *devlistp;
int devcnt, error = 0, i, j;
error = device_get_children(dev, &devlistp, &devcnt);
if (error != 0)
return (error);
for (i = 0 ; i < devcnt ; i++) {
error = DEVICE_SUSPEND(devlistp[i]);
if (error) {
for (j = 0; j < i; j++)
DEVICE_RESUME(devlistp[j]);
free(devlistp, M_TEMP);
return (error);
}
}
free(devlistp, M_TEMP);
return (siba_core_suspend(siba));
}
static int
siba_bwn_resume(device_t dev)
{
struct siba_bwn_softc *ssc = device_get_softc(dev);
struct siba_softc *siba = &ssc->ssc_siba;
device_t *devlistp;
int devcnt, error = 0, i;
error = siba_core_resume(siba);
if (error != 0)
return (error);
error = device_get_children(dev, &devlistp, &devcnt);
if (error != 0)
return (error);
for (i = 0 ; i < devcnt ; i++)
DEVICE_RESUME(devlistp[i]);
free(devlistp, M_TEMP);
return (0);
}
/* proxying to the parent */
static struct resource *
siba_bwn_alloc_resource(device_t dev, device_t child, int type, int *rid,
u_long start, u_long end, u_long count, u_int flags)
{
return (BUS_ALLOC_RESOURCE(device_get_parent(dev), dev,
type, rid, start, end, count, flags));
}
/* proxying to the parent */
static int
siba_bwn_release_resource(device_t dev, device_t child, int type,
int rid, struct resource *r)
{
return (BUS_RELEASE_RESOURCE(device_get_parent(dev), dev, type,
rid, r));
}
/* proxying to the parent */
static int
siba_bwn_setup_intr(device_t dev, device_t child, struct resource *irq,
int flags, driver_filter_t *filter, driver_intr_t *intr, void *arg,
void **cookiep)
{
return (BUS_SETUP_INTR(device_get_parent(dev), dev, irq, flags,
filter, intr, arg, cookiep));
}
/* proxying to the parent */
static int
siba_bwn_teardown_intr(device_t dev, device_t child, struct resource *irq,
void *cookie)
{
return (BUS_TEARDOWN_INTR(device_get_parent(dev), dev, irq, cookie));
}
static int
siba_bwn_find_extcap(device_t dev, device_t child, int capability,
int *capreg)
{
return (pci_find_extcap(dev, capability, capreg));
}
static int
siba_bwn_alloc_msi(device_t dev, device_t child, int *count)
{
struct siba_bwn_softc *ssc;
int error;
ssc = device_get_softc(dev);
if (ssc->ssc_msi_child != NULL)
return (EBUSY);
error = pci_alloc_msi(dev, count);
if (error == 0)
ssc->ssc_msi_child = child;
return (error);
}
static int
siba_bwn_release_msi(device_t dev, device_t child)
{
struct siba_bwn_softc *ssc;
int error;
ssc = device_get_softc(dev);
if (ssc->ssc_msi_child != child)
return (ENXIO);
error = pci_release_msi(dev);
if (error == 0)
ssc->ssc_msi_child = NULL;
return (error);
}
static int
siba_bwn_msi_count(device_t dev, device_t child)
{
return (pci_msi_count(dev));
}
static int
siba_bwn_read_ivar(device_t dev, device_t child, int which, uintptr_t *result)
{
struct siba_dev_softc *sd;
struct siba_softc *siba;
sd = device_get_ivars(child);
siba = sd->sd_bus;
switch (which) {
case SIBA_IVAR_VENDOR:
*result = sd->sd_id.sd_vendor;
break;
case SIBA_IVAR_DEVICE:
*result = sd->sd_id.sd_device;
break;
case SIBA_IVAR_REVID:
*result = sd->sd_id.sd_rev;
break;
case SIBA_IVAR_PCI_VENDOR:
*result = siba->siba_pci_vid;
break;
case SIBA_IVAR_PCI_DEVICE:
*result = siba->siba_pci_did;
break;
case SIBA_IVAR_PCI_SUBVENDOR:
*result = siba->siba_pci_subvid;
break;
case SIBA_IVAR_PCI_SUBDEVICE:
*result = siba->siba_pci_subdid;
break;
case SIBA_IVAR_PCI_REVID:
*result = siba->siba_pci_revid;
break;
case SIBA_IVAR_CHIPID:
*result = siba->siba_chipid;
break;
case SIBA_IVAR_CHIPREV:
*result = siba->siba_chiprev;
break;
case SIBA_IVAR_CHIPPKG:
*result = siba->siba_chippkg;
break;
case SIBA_IVAR_TYPE:
*result = siba->siba_type;
break;
case SIBA_IVAR_CC_PMUFREQ:
*result = siba->siba_cc.scc_pmu.freq;
break;
case SIBA_IVAR_CC_CAPS:
*result = siba->siba_cc.scc_caps;
break;
case SIBA_IVAR_CC_POWERDELAY:
*result = siba->siba_cc.scc_powerup_delay;
break;
case SIBA_IVAR_PCICORE_REVID:
*result = siba->siba_pci.spc_dev->sd_id.sd_rev;
break;
default:
return (ENOENT);
}
return (0);
}
static device_method_t siba_bwn_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, siba_bwn_probe),
DEVMETHOD(device_attach, siba_bwn_attach),
DEVMETHOD(device_detach, siba_bwn_detach),
DEVMETHOD(device_shutdown, siba_bwn_shutdown),
DEVMETHOD(device_suspend, siba_bwn_suspend),
DEVMETHOD(device_resume, siba_bwn_resume),
/* Bus interface */
DEVMETHOD(bus_alloc_resource, siba_bwn_alloc_resource),
DEVMETHOD(bus_release_resource, siba_bwn_release_resource),
DEVMETHOD(bus_read_ivar, siba_bwn_read_ivar),
DEVMETHOD(bus_setup_intr, siba_bwn_setup_intr),
DEVMETHOD(bus_teardown_intr, siba_bwn_teardown_intr),
/* PCI interface */
DEVMETHOD(pci_find_extcap, siba_bwn_find_extcap),
DEVMETHOD(pci_alloc_msi, siba_bwn_alloc_msi),
DEVMETHOD(pci_release_msi, siba_bwn_release_msi),
DEVMETHOD(pci_msi_count, siba_bwn_msi_count),
DEVMETHOD_END
};
static driver_t siba_bwn_driver = {
"siba_bwn",
siba_bwn_methods,
sizeof(struct siba_bwn_softc)
};
static devclass_t siba_bwn_devclass;
DRIVER_MODULE(siba_bwn, pci, siba_bwn_driver, siba_bwn_devclass, 0, 0);
MODULE_VERSION(siba_bwn, 1);