300 lines
7.5 KiB
C
300 lines
7.5 KiB
C
|
/*
|
||
|
|
|
||
|
|
Broadcom B43 wireless driver
|
||
|
|
|
||
|
|
Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>,
|
||
|
|
Stefano Brivio <st3@riseup.net>
|
||
|
|
Michael Buesch <mb@bu3sch.de>
|
||
|
|
Danny van Dyk <kugelfang@gentoo.org>
|
||
|
|
Andreas Jaggi <andreas.jaggi@waterwave.ch>
|
||
|
|
|
||
|
|
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 "b43.h"
|
||
|
|
#include "leds.h"
|
||
|
|
#include "main.h"
|
||
|
|
|
||
|
|
static void b43_led_changestate(struct b43_led *led)
|
||
|
|
{
|
||
|
|
struct b43_wldev *dev = led->dev;
|
||
|
|
const int index = b43_led_index(led);
|
||
|
|
const u16 mask = (1 << index);
|
||
|
|
u16 ledctl;
|
||
|
|
|
||
|
|
B43_WARN_ON(!(index >= 0 && index < B43_NR_LEDS));
|
||
|
|
B43_WARN_ON(!led->blink_interval);
|
||
|
|
ledctl = b43_read16(dev, B43_MMIO_GPIO_CONTROL);
|
||
|
|
ledctl = (ledctl & mask) ? (ledctl & ~mask) : (ledctl | mask);
|
||
|
|
b43_write16(dev, B43_MMIO_GPIO_CONTROL, ledctl);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void b43_led_blink(unsigned long d)
|
||
|
|
{
|
||
|
|
struct b43_led *led = (struct b43_led *)d;
|
||
|
|
struct b43_wldev *dev = led->dev;
|
||
|
|
unsigned long flags;
|
||
|
|
|
||
|
|
spin_lock_irqsave(&dev->wl->leds_lock, flags);
|
||
|
|
if (led->blink_interval) {
|
||
|
|
b43_led_changestate(led);
|
||
|
|
mod_timer(&led->blink_timer, jiffies + led->blink_interval);
|
||
|
|
}
|
||
|
|
spin_unlock_irqrestore(&dev->wl->leds_lock, flags);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void b43_led_blink_start(struct b43_led *led, unsigned long interval)
|
||
|
|
{
|
||
|
|
if (led->blink_interval)
|
||
|
|
return;
|
||
|
|
led->blink_interval = interval;
|
||
|
|
b43_led_changestate(led);
|
||
|
|
led->blink_timer.expires = jiffies + interval;
|
||
|
|
add_timer(&led->blink_timer);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void b43_led_blink_stop(struct b43_led *led, int sync)
|
||
|
|
{
|
||
|
|
struct b43_wldev *dev = led->dev;
|
||
|
|
const int index = b43_led_index(led);
|
||
|
|
u16 ledctl;
|
||
|
|
|
||
|
|
if (!led->blink_interval)
|
||
|
|
return;
|
||
|
|
if (unlikely(sync))
|
||
|
|
del_timer_sync(&led->blink_timer);
|
||
|
|
else
|
||
|
|
del_timer(&led->blink_timer);
|
||
|
|
led->blink_interval = 0;
|
||
|
|
|
||
|
|
/* Make sure the LED is turned off. */
|
||
|
|
B43_WARN_ON(!(index >= 0 && index < B43_NR_LEDS));
|
||
|
|
ledctl = b43_read16(dev, B43_MMIO_GPIO_CONTROL);
|
||
|
|
if (led->activelow)
|
||
|
|
ledctl |= (1 << index);
|
||
|
|
else
|
||
|
|
ledctl &= ~(1 << index);
|
||
|
|
b43_write16(dev, B43_MMIO_GPIO_CONTROL, ledctl);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void b43_led_init_hardcoded(struct b43_wldev *dev,
|
||
|
|
struct b43_led *led, int led_index)
|
||
|
|
{
|
||
|
|
struct ssb_bus *bus = dev->dev->bus;
|
||
|
|
|
||
|
|
/* This function is called, if the behaviour (and activelow)
|
||
|
|
* information for a LED is missing in the SPROM.
|
||
|
|
* We hardcode the behaviour values for various devices here.
|
||
|
|
* Note that the B43_LED_TEST_XXX behaviour values can
|
||
|
|
* be used to figure out which led is mapped to which index.
|
||
|
|
*/
|
||
|
|
|
||
|
|
switch (led_index) {
|
||
|
|
case 0:
|
||
|
|
led->behaviour = B43_LED_ACTIVITY;
|
||
|
|
led->activelow = 1;
|
||
|
|
if (bus->boardinfo.vendor == PCI_VENDOR_ID_COMPAQ)
|
||
|
|
led->behaviour = B43_LED_RADIO_ALL;
|
||
|
|
break;
|
||
|
|
case 1:
|
||
|
|
led->behaviour = B43_LED_RADIO_B;
|
||
|
|
if (bus->boardinfo.vendor == PCI_VENDOR_ID_ASUSTEK)
|
||
|
|
led->behaviour = B43_LED_ASSOC;
|
||
|
|
break;
|
||
|
|
case 2:
|
||
|
|
led->behaviour = B43_LED_RADIO_A;
|
||
|
|
break;
|
||
|
|
case 3:
|
||
|
|
led->behaviour = B43_LED_OFF;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
B43_WARN_ON(1);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
int b43_leds_init(struct b43_wldev *dev)
|
||
|
|
{
|
||
|
|
struct b43_led *led;
|
||
|
|
u8 sprom[4];
|
||
|
|
int i;
|
||
|
|
|
||
|
|
sprom[0] = dev->dev->bus->sprom.r1.gpio0;
|
||
|
|
sprom[1] = dev->dev->bus->sprom.r1.gpio1;
|
||
|
|
sprom[2] = dev->dev->bus->sprom.r1.gpio2;
|
||
|
|
sprom[3] = dev->dev->bus->sprom.r1.gpio3;
|
||
|
|
|
||
|
|
for (i = 0; i < B43_NR_LEDS; i++) {
|
||
|
|
led = &(dev->leds[i]);
|
||
|
|
led->dev = dev;
|
||
|
|
setup_timer(&led->blink_timer,
|
||
|
|
b43_led_blink, (unsigned long)led);
|
||
|
|
|
||
|
|
if (sprom[i] == 0xFF) {
|
||
|
|
b43_led_init_hardcoded(dev, led, i);
|
||
|
|
} else {
|
||
|
|
led->behaviour = sprom[i] & B43_LED_BEHAVIOUR;
|
||
|
|
led->activelow = !!(sprom[i] & B43_LED_ACTIVELOW);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
void b43_leds_exit(struct b43_wldev *dev)
|
||
|
|
{
|
||
|
|
struct b43_led *led;
|
||
|
|
int i;
|
||
|
|
|
||
|
|
for (i = 0; i < B43_NR_LEDS; i++) {
|
||
|
|
led = &(dev->leds[i]);
|
||
|
|
b43_led_blink_stop(led, 1);
|
||
|
|
}
|
||
|
|
b43_leds_switch_all(dev, 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
void b43_leds_update(struct b43_wldev *dev, int activity)
|
||
|
|
{
|
||
|
|
struct b43_led *led;
|
||
|
|
struct b43_phy *phy = &dev->phy;
|
||
|
|
const int transferring =
|
||
|
|
(jiffies - dev->stats.last_tx) < B43_LED_XFER_THRES;
|
||
|
|
int i, turn_on;
|
||
|
|
unsigned long interval = 0;
|
||
|
|
u16 ledctl;
|
||
|
|
unsigned long flags;
|
||
|
|
|
||
|
|
spin_lock_irqsave(&dev->wl->leds_lock, flags);
|
||
|
|
ledctl = b43_read16(dev, B43_MMIO_GPIO_CONTROL);
|
||
|
|
for (i = 0; i < B43_NR_LEDS; i++) {
|
||
|
|
led = &(dev->leds[i]);
|
||
|
|
|
||
|
|
turn_on = 0;
|
||
|
|
switch (led->behaviour) {
|
||
|
|
case B43_LED_INACTIVE:
|
||
|
|
continue;
|
||
|
|
case B43_LED_OFF:
|
||
|
|
break;
|
||
|
|
case B43_LED_ON:
|
||
|
|
turn_on = 1;
|
||
|
|
break;
|
||
|
|
case B43_LED_ACTIVITY:
|
||
|
|
turn_on = activity;
|
||
|
|
break;
|
||
|
|
case B43_LED_RADIO_ALL:
|
||
|
|
turn_on = phy->radio_on && b43_is_hw_radio_enabled(dev);
|
||
|
|
break;
|
||
|
|
case B43_LED_RADIO_A:
|
||
|
|
turn_on = (phy->radio_on && b43_is_hw_radio_enabled(dev)
|
||
|
|
&& phy->type == B43_PHYTYPE_A);
|
||
|
|
break;
|
||
|
|
case B43_LED_RADIO_B:
|
||
|
|
turn_on = (phy->radio_on && b43_is_hw_radio_enabled(dev)
|
||
|
|
&& (phy->type == B43_PHYTYPE_B
|
||
|
|
|| phy->type == B43_PHYTYPE_G));
|
||
|
|
break;
|
||
|
|
case B43_LED_MODE_BG:
|
||
|
|
if (phy->type == B43_PHYTYPE_G
|
||
|
|
&& b43_is_hw_radio_enabled(dev)
|
||
|
|
&& 1 /*FIXME: using G rates. */ )
|
||
|
|
turn_on = 1;
|
||
|
|
break;
|
||
|
|
case B43_LED_TRANSFER:
|
||
|
|
if (transferring)
|
||
|
|
b43_led_blink_start(led, B43_LEDBLINK_MEDIUM);
|
||
|
|
else
|
||
|
|
b43_led_blink_stop(led, 0);
|
||
|
|
continue;
|
||
|
|
case B43_LED_APTRANSFER:
|
||
|
|
if (b43_is_mode(dev->wl, IEEE80211_IF_TYPE_AP)) {
|
||
|
|
if (transferring) {
|
||
|
|
interval = B43_LEDBLINK_FAST;
|
||
|
|
turn_on = 1;
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
turn_on = 1;
|
||
|
|
if (0 /*TODO: not assoc */ )
|
||
|
|
interval = B43_LEDBLINK_SLOW;
|
||
|
|
else if (transferring)
|
||
|
|
interval = B43_LEDBLINK_FAST;
|
||
|
|
else
|
||
|
|
turn_on = 0;
|
||
|
|
}
|
||
|
|
if (turn_on)
|
||
|
|
b43_led_blink_start(led, interval);
|
||
|
|
else
|
||
|
|
b43_led_blink_stop(led, 0);
|
||
|
|
continue;
|
||
|
|
case B43_LED_WEIRD:
|
||
|
|
//TODO
|
||
|
|
break;
|
||
|
|
case B43_LED_ASSOC:
|
||
|
|
if (1 /*dev->softmac->associated */ )
|
||
|
|
turn_on = 1;
|
||
|
|
break;
|
||
|
|
#ifdef CONFIG_B43_DEBUG
|
||
|
|
case B43_LED_TEST_BLINKSLOW:
|
||
|
|
b43_led_blink_start(led, B43_LEDBLINK_SLOW);
|
||
|
|
continue;
|
||
|
|
case B43_LED_TEST_BLINKMEDIUM:
|
||
|
|
b43_led_blink_start(led, B43_LEDBLINK_MEDIUM);
|
||
|
|
continue;
|
||
|
|
case B43_LED_TEST_BLINKFAST:
|
||
|
|
b43_led_blink_start(led, B43_LEDBLINK_FAST);
|
||
|
|
continue;
|
||
|
|
#endif /* CONFIG_B43_DEBUG */
|
||
|
|
default:
|
||
|
|
B43_WARN_ON(1);
|
||
|
|
};
|
||
|
|
|
||
|
|
if (led->activelow)
|
||
|
|
turn_on = !turn_on;
|
||
|
|
if (turn_on)
|
||
|
|
ledctl |= (1 << i);
|
||
|
|
else
|
||
|
|
ledctl &= ~(1 << i);
|
||
|
|
}
|
||
|
|
b43_write16(dev, B43_MMIO_GPIO_CONTROL, ledctl);
|
||
|
|
spin_unlock_irqrestore(&dev->wl->leds_lock, flags);
|
||
|
|
}
|
||
|
|
|
||
|
|
void b43_leds_switch_all(struct b43_wldev *dev, int on)
|
||
|
|
{
|
||
|
|
struct b43_led *led;
|
||
|
|
u16 ledctl;
|
||
|
|
int i;
|
||
|
|
int bit_on;
|
||
|
|
unsigned long flags;
|
||
|
|
|
||
|
|
spin_lock_irqsave(&dev->wl->leds_lock, flags);
|
||
|
|
ledctl = b43_read16(dev, B43_MMIO_GPIO_CONTROL);
|
||
|
|
for (i = 0; i < B43_NR_LEDS; i++) {
|
||
|
|
led = &(dev->leds[i]);
|
||
|
|
if (led->behaviour == B43_LED_INACTIVE)
|
||
|
|
continue;
|
||
|
|
if (on)
|
||
|
|
bit_on = led->activelow ? 0 : 1;
|
||
|
|
else
|
||
|
|
bit_on = led->activelow ? 1 : 0;
|
||
|
|
if (bit_on)
|
||
|
|
ledctl |= (1 << i);
|
||
|
|
else
|
||
|
|
ledctl &= ~(1 << i);
|
||
|
|
}
|
||
|
|
b43_write16(dev, B43_MMIO_GPIO_CONTROL, ledctl);
|
||
|
|
spin_unlock_irqrestore(&dev->wl->leds_lock, flags);
|
||
|
|
}
|