mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2025-04-21 12:27:27 +03:00
add b43
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@9293 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd
184
package/b43/src/rfkill.c
Normal file
184
package/b43/src/rfkill.c
Normal file
@@ -0,0 +1,184 @@
|
||||
/*
|
||||
|
||||
Broadcom B43 wireless driver
|
||||
RFKILL support
|
||||
|
||||
Copyright (c) 2007 Michael Buesch <mb@bu3sch.de>
|
||||
|
||||
This program is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 2 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program; see the file COPYING. If not, write to
|
||||
the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
|
||||
Boston, MA 02110-1301, USA.
|
||||
|
||||
*/
|
||||
|
||||
#include "rfkill.h"
|
||||
#include "b43.h"
|
||||
|
||||
|
||||
/* Returns TRUE, if the radio is enabled in hardware. */
|
||||
static bool b43_is_hw_radio_enabled(struct b43_wldev *dev)
|
||||
{
|
||||
if (dev->phy.rev >= 3) {
|
||||
if (!(b43_read32(dev, B43_MMIO_RADIO_HWENABLED_HI)
|
||||
& B43_MMIO_RADIO_HWENABLED_HI_MASK))
|
||||
return 1;
|
||||
} else {
|
||||
if (b43_read16(dev, B43_MMIO_RADIO_HWENABLED_LO)
|
||||
& B43_MMIO_RADIO_HWENABLED_LO_MASK)
|
||||
return 1;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* The poll callback for the hardware button. */
|
||||
static void b43_rfkill_poll(struct input_polled_dev *poll_dev)
|
||||
{
|
||||
struct b43_wldev *dev = poll_dev->private;
|
||||
struct b43_wl *wl = dev->wl;
|
||||
bool enabled;
|
||||
|
||||
mutex_lock(&wl->mutex);
|
||||
B43_WARN_ON(b43_status(dev) < B43_STAT_INITIALIZED);
|
||||
enabled = b43_is_hw_radio_enabled(dev);
|
||||
if (unlikely(enabled != dev->radio_hw_enable)) {
|
||||
dev->radio_hw_enable = enabled;
|
||||
b43info(wl, "Radio hardware status changed to %s\n",
|
||||
enabled ? "ENABLED" : "DISABLED");
|
||||
mutex_unlock(&wl->mutex);
|
||||
input_report_key(poll_dev->input, KEY_WLAN, enabled);
|
||||
} else
|
||||
mutex_unlock(&wl->mutex);
|
||||
}
|
||||
|
||||
/* Called when the RFKILL toggled in software.
|
||||
* This is called without locking. */
|
||||
static int b43_rfkill_soft_toggle(void *data, enum rfkill_state state)
|
||||
{
|
||||
struct b43_wldev *dev = data;
|
||||
struct b43_wl *wl = dev->wl;
|
||||
int err = 0;
|
||||
|
||||
mutex_lock(&wl->mutex);
|
||||
if (b43_status(dev) < B43_STAT_INITIALIZED)
|
||||
goto out_unlock;
|
||||
|
||||
switch (state) {
|
||||
case RFKILL_STATE_ON:
|
||||
if (!dev->radio_hw_enable) {
|
||||
/* No luck. We can't toggle the hardware RF-kill
|
||||
* button from software. */
|
||||
err = -EBUSY;
|
||||
goto out_unlock;
|
||||
}
|
||||
if (!dev->phy.radio_on)
|
||||
b43_radio_turn_on(dev);
|
||||
break;
|
||||
case RFKILL_STATE_OFF:
|
||||
if (dev->phy.radio_on)
|
||||
b43_radio_turn_off(dev, 0);
|
||||
break;
|
||||
}
|
||||
|
||||
out_unlock:
|
||||
mutex_unlock(&wl->mutex);
|
||||
|
||||
return err;
|
||||
}
|
||||
|
||||
char * b43_rfkill_led_name(struct b43_wldev *dev)
|
||||
{
|
||||
struct b43_wl *wl = dev->wl;
|
||||
|
||||
if (!wl->rfkill.rfkill)
|
||||
return NULL;
|
||||
return rfkill_get_led_name(wl->rfkill.rfkill);
|
||||
}
|
||||
|
||||
void b43_rfkill_init(struct b43_wldev *dev)
|
||||
{
|
||||
struct b43_wl *wl = dev->wl;
|
||||
struct b43_rfkill *rfk = &(wl->rfkill);
|
||||
int err;
|
||||
|
||||
if (rfk->rfkill) {
|
||||
err = rfkill_register(rfk->rfkill);
|
||||
if (err) {
|
||||
b43warn(wl, "Failed to register RF-kill button\n");
|
||||
goto err_free_rfk;
|
||||
}
|
||||
}
|
||||
if (rfk->poll_dev) {
|
||||
err = input_register_polled_device(rfk->poll_dev);
|
||||
if (err) {
|
||||
b43warn(wl, "Failed to register RF-kill polldev\n");
|
||||
goto err_free_polldev;
|
||||
}
|
||||
}
|
||||
|
||||
return;
|
||||
err_free_rfk:
|
||||
rfkill_free(rfk->rfkill);
|
||||
rfk->rfkill = NULL;
|
||||
err_free_polldev:
|
||||
input_free_polled_device(rfk->poll_dev);
|
||||
rfk->poll_dev = NULL;
|
||||
}
|
||||
|
||||
void b43_rfkill_exit(struct b43_wldev *dev)
|
||||
{
|
||||
struct b43_rfkill *rfk = &(dev->wl->rfkill);
|
||||
|
||||
if (rfk->poll_dev)
|
||||
input_unregister_polled_device(rfk->poll_dev);
|
||||
if (rfk->rfkill)
|
||||
rfkill_unregister(rfk->rfkill);
|
||||
}
|
||||
|
||||
void b43_rfkill_alloc(struct b43_wldev *dev)
|
||||
{
|
||||
struct b43_wl *wl = dev->wl;
|
||||
struct b43_rfkill *rfk = &(wl->rfkill);
|
||||
|
||||
snprintf(rfk->name, sizeof(rfk->name),
|
||||
"b43-%s", wiphy_name(wl->hw->wiphy));
|
||||
|
||||
rfk->rfkill = rfkill_allocate(dev->dev->dev, RFKILL_TYPE_WLAN);
|
||||
if (!rfk->rfkill) {
|
||||
b43warn(wl, "Failed to allocate RF-kill button\n");
|
||||
return;
|
||||
}
|
||||
rfk->rfkill->name = rfk->name;
|
||||
rfk->rfkill->state = RFKILL_STATE_ON;
|
||||
rfk->rfkill->data = dev;
|
||||
rfk->rfkill->toggle_radio = b43_rfkill_soft_toggle;
|
||||
rfk->rfkill->user_claim_unsupported = 1;
|
||||
|
||||
rfk->poll_dev = input_allocate_polled_device();
|
||||
if (rfk->poll_dev) {
|
||||
rfk->poll_dev->private = dev;
|
||||
rfk->poll_dev->poll = b43_rfkill_poll;
|
||||
rfk->poll_dev->poll_interval = 1000; /* msecs */
|
||||
} else
|
||||
b43warn(wl, "Failed to allocate RF-kill polldev\n");
|
||||
}
|
||||
|
||||
void b43_rfkill_free(struct b43_wldev *dev)
|
||||
{
|
||||
struct b43_rfkill *rfk = &(dev->wl->rfkill);
|
||||
|
||||
input_free_polled_device(rfk->poll_dev);
|
||||
rfk->poll_dev = NULL;
|
||||
rfkill_free(rfk->rfkill);
|
||||
rfk->rfkill = NULL;
|
||||
}
|
||||
Reference in New Issue
Block a user