b43legacy: LED triggers support
Drive the LEDs through the generic LED triggers. The patch to b43 by Michael Buesch <mb@bu3sch.de> has been ported to b43legacy. Signed-off-by: Larry Finger <larry.finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Larry Finger
committed by
David S. Miller
David S. Miller
parent
c8b0e6e19c
commit
ba48f7bb80
@@ -1,13 +1,13 @@
|
||||
/*
|
||||
|
||||
Broadcom B43legacy wireless driver
|
||||
Broadcom B43 wireless driver
|
||||
LED control
|
||||
|
||||
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>
|
||||
Copyright (c) 2007 Larry Finger <Larry.Finger@lwfinger.net>
|
||||
Copyright (c) 2005 Stefano Brivio <st3@riseup.net>
|
||||
Copyright (c) 2005-2007 Michael Buesch <mb@bu3sch.de>
|
||||
Copyright (c) 2005 Danny van Dyk <kugelfang@gentoo.org>
|
||||
Copyright (c) 2005 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
|
||||
@@ -26,273 +26,208 @@
|
||||
|
||||
*/
|
||||
|
||||
#include "leds.h"
|
||||
#include "b43legacy.h"
|
||||
#include "main.h"
|
||||
#include "leds.h"
|
||||
|
||||
static void b43legacy_led_changestate(struct b43legacy_led *led)
|
||||
|
||||
static void b43legacy_led_turn_on(struct b43legacy_wldev *dev, u8 led_index,
|
||||
bool activelow)
|
||||
{
|
||||
struct b43legacy_wldev *dev = led->dev;
|
||||
const int index = led->index;
|
||||
u16 ledctl;
|
||||
|
||||
B43legacy_WARN_ON(!(index >= 0 && index < B43legacy_NR_LEDS));
|
||||
B43legacy_WARN_ON(!led->blink_interval);
|
||||
ledctl = b43legacy_read16(dev, B43legacy_MMIO_GPIO_CONTROL);
|
||||
ledctl ^= (1 << index);
|
||||
b43legacy_write16(dev, B43legacy_MMIO_GPIO_CONTROL, ledctl);
|
||||
}
|
||||
|
||||
static void b43legacy_led_blink(unsigned long d)
|
||||
{
|
||||
struct b43legacy_led *led = (struct b43legacy_led *)d;
|
||||
struct b43legacy_wldev *dev = led->dev;
|
||||
struct b43legacy_wl *wl = dev->wl;
|
||||
unsigned long flags;
|
||||
u16 ctl;
|
||||
|
||||
spin_lock_irqsave(&dev->wl->leds_lock, flags);
|
||||
if (led->blink_interval) {
|
||||
b43legacy_led_changestate(led);
|
||||
mod_timer(&led->blink_timer, jiffies + led->blink_interval);
|
||||
}
|
||||
spin_unlock_irqrestore(&dev->wl->leds_lock, flags);
|
||||
spin_lock_irqsave(&wl->leds_lock, flags);
|
||||
ctl = b43legacy_read16(dev, B43legacy_MMIO_GPIO_CONTROL);
|
||||
if (activelow)
|
||||
ctl &= ~(1 << led_index);
|
||||
else
|
||||
ctl |= (1 << led_index);
|
||||
b43legacy_write16(dev, B43legacy_MMIO_GPIO_CONTROL, ctl);
|
||||
spin_unlock_irqrestore(&wl->leds_lock, flags);
|
||||
}
|
||||
|
||||
static void b43legacy_led_blink_start(struct b43legacy_led *led,
|
||||
unsigned long interval)
|
||||
static void b43legacy_led_turn_off(struct b43legacy_wldev *dev, u8 led_index,
|
||||
bool activelow)
|
||||
{
|
||||
if (led->blink_interval)
|
||||
return;
|
||||
led->blink_interval = interval;
|
||||
b43legacy_led_changestate(led);
|
||||
led->blink_timer.expires = jiffies + interval;
|
||||
add_timer(&led->blink_timer);
|
||||
struct b43legacy_wl *wl = dev->wl;
|
||||
unsigned long flags;
|
||||
u16 ctl;
|
||||
|
||||
spin_lock_irqsave(&wl->leds_lock, flags);
|
||||
ctl = b43legacy_read16(dev, B43legacy_MMIO_GPIO_CONTROL);
|
||||
if (activelow)
|
||||
ctl |= (1 << led_index);
|
||||
else
|
||||
ctl &= ~(1 << led_index);
|
||||
b43legacy_write16(dev, B43legacy_MMIO_GPIO_CONTROL, ctl);
|
||||
spin_unlock_irqrestore(&wl->leds_lock, flags);
|
||||
}
|
||||
|
||||
static void b43legacy_led_blink_stop(struct b43legacy_led *led, int sync)
|
||||
/* Callback from the LED subsystem. */
|
||||
static void b43legacy_led_brightness_set(struct led_classdev *led_dev,
|
||||
enum led_brightness brightness)
|
||||
{
|
||||
struct b43legacy_led *led = container_of(led_dev, struct b43legacy_led,
|
||||
led_dev);
|
||||
struct b43legacy_wldev *dev = led->dev;
|
||||
const int index = led->index;
|
||||
u16 ledctl;
|
||||
bool radio_enabled;
|
||||
|
||||
if (!led->blink_interval)
|
||||
return;
|
||||
if (unlikely(sync))
|
||||
del_timer_sync(&led->blink_timer);
|
||||
else
|
||||
del_timer(&led->blink_timer);
|
||||
led->blink_interval = 0;
|
||||
/* Checking the radio-enabled status here is slightly racy,
|
||||
* but we want to avoid the locking overhead and we don't care
|
||||
* whether the LED has the wrong state for a second. */
|
||||
radio_enabled = (dev->phy.radio_on && dev->radio_hw_enable);
|
||||
|
||||
/* Make sure the LED is turned off. */
|
||||
B43legacy_WARN_ON(!(index >= 0 && index < B43legacy_NR_LEDS));
|
||||
ledctl = b43legacy_read16(dev, B43legacy_MMIO_GPIO_CONTROL);
|
||||
if (led->activelow)
|
||||
ledctl |= (1 << index);
|
||||
if (brightness == LED_OFF || !radio_enabled)
|
||||
b43legacy_led_turn_off(dev, led->index, led->activelow);
|
||||
else
|
||||
ledctl &= ~(1 << index);
|
||||
b43legacy_write16(dev, B43legacy_MMIO_GPIO_CONTROL, ledctl);
|
||||
b43legacy_led_turn_on(dev, led->index, led->activelow);
|
||||
}
|
||||
|
||||
static void b43legacy_led_init_hardcoded(struct b43legacy_wldev *dev,
|
||||
struct b43legacy_led *led,
|
||||
int led_index)
|
||||
static int b43legacy_register_led(struct b43legacy_wldev *dev,
|
||||
struct b43legacy_led *led,
|
||||
const char *name, char *default_trigger,
|
||||
u8 led_index, bool activelow)
|
||||
{
|
||||
struct ssb_bus *bus = dev->dev->bus;
|
||||
int err;
|
||||
|
||||
/* 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 B43legacy_LED_TEST_XXX behaviour values can
|
||||
* be used to figure out which led is mapped to which index.
|
||||
*/
|
||||
b43legacy_led_turn_off(dev, led_index, activelow);
|
||||
if (led->dev)
|
||||
return -EEXIST;
|
||||
if (!default_trigger)
|
||||
return -EINVAL;
|
||||
led->dev = dev;
|
||||
led->index = led_index;
|
||||
led->activelow = activelow;
|
||||
strncpy(led->name, name, sizeof(led->name));
|
||||
|
||||
switch (led_index) {
|
||||
case 0:
|
||||
led->behaviour = B43legacy_LED_ACTIVITY;
|
||||
led->activelow = 1;
|
||||
if (bus->boardinfo.vendor == PCI_VENDOR_ID_COMPAQ)
|
||||
led->behaviour = B43legacy_LED_RADIO_ALL;
|
||||
led->led_dev.name = led->name;
|
||||
led->led_dev.default_trigger = default_trigger;
|
||||
led->led_dev.brightness_set = b43legacy_led_brightness_set;
|
||||
|
||||
err = led_classdev_register(dev->dev->dev, &led->led_dev);
|
||||
if (err) {
|
||||
b43legacywarn(dev->wl, "LEDs: Failed to register %s\n", name);
|
||||
led->dev = NULL;
|
||||
return err;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void b43legacy_unregister_led(struct b43legacy_led *led)
|
||||
{
|
||||
if (!led->dev)
|
||||
return;
|
||||
led_classdev_unregister(&led->led_dev);
|
||||
b43legacy_led_turn_off(led->dev, led->index, led->activelow);
|
||||
led->dev = NULL;
|
||||
}
|
||||
|
||||
static void b43legacy_map_led(struct b43legacy_wldev *dev,
|
||||
u8 led_index,
|
||||
enum b43legacy_led_behaviour behaviour,
|
||||
bool activelow)
|
||||
{
|
||||
struct ieee80211_hw *hw = dev->wl->hw;
|
||||
char name[B43legacy_LED_MAX_NAME_LEN + 1];
|
||||
|
||||
/* Map the b43 specific LED behaviour value to the
|
||||
* generic LED triggers. */
|
||||
switch (behaviour) {
|
||||
case B43legacy_LED_INACTIVE:
|
||||
break;
|
||||
case 1:
|
||||
led->behaviour = B43legacy_LED_RADIO_B;
|
||||
if (bus->boardinfo.vendor == PCI_VENDOR_ID_ASUSTEK)
|
||||
led->behaviour = B43legacy_LED_ASSOC;
|
||||
case B43legacy_LED_OFF:
|
||||
b43legacy_led_turn_off(dev, led_index, activelow);
|
||||
break;
|
||||
case 2:
|
||||
led->behaviour = B43legacy_LED_RADIO_A;
|
||||
case B43legacy_LED_ON:
|
||||
b43legacy_led_turn_on(dev, led_index, activelow);
|
||||
break;
|
||||
case 3:
|
||||
led->behaviour = B43legacy_LED_OFF;
|
||||
case B43legacy_LED_ACTIVITY:
|
||||
case B43legacy_LED_TRANSFER:
|
||||
case B43legacy_LED_APTRANSFER:
|
||||
snprintf(name, sizeof(name),
|
||||
"b43legacy-%s:tx", wiphy_name(hw->wiphy));
|
||||
b43legacy_register_led(dev, &dev->led_tx, name,
|
||||
ieee80211_get_tx_led_name(hw),
|
||||
led_index, activelow);
|
||||
snprintf(name, sizeof(name),
|
||||
"b43legacy-%s:rx", wiphy_name(hw->wiphy));
|
||||
b43legacy_register_led(dev, &dev->led_rx, name,
|
||||
ieee80211_get_rx_led_name(hw),
|
||||
led_index, activelow);
|
||||
break;
|
||||
/*FIXME: We need another trigger for the "radio-on" LEDs below.
|
||||
* Wiggle that somehow into the rfkill subsystem. */
|
||||
case B43legacy_LED_RADIO_ALL:
|
||||
case B43legacy_LED_RADIO_A:
|
||||
case B43legacy_LED_RADIO_B:
|
||||
case B43legacy_LED_MODE_BG:
|
||||
case B43legacy_LED_WEIRD:
|
||||
case B43legacy_LED_ASSOC:
|
||||
snprintf(name, sizeof(name),
|
||||
"b43legacy-%s:assoc", wiphy_name(hw->wiphy));
|
||||
b43legacy_register_led(dev, &dev->led_assoc, name,
|
||||
ieee80211_get_assoc_led_name(hw),
|
||||
led_index, activelow);
|
||||
break;
|
||||
default:
|
||||
B43legacy_BUG_ON(1);
|
||||
b43legacywarn(dev->wl, "LEDs: Unknown behaviour 0x%02X\n",
|
||||
behaviour);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
int b43legacy_leds_init(struct b43legacy_wldev *dev)
|
||||
void b43legacy_leds_init(struct b43legacy_wldev *dev)
|
||||
{
|
||||
struct b43legacy_led *led;
|
||||
struct ssb_bus *bus = dev->dev->bus;
|
||||
u8 sprom[4];
|
||||
int i;
|
||||
enum b43legacy_led_behaviour behaviour;
|
||||
bool activelow;
|
||||
|
||||
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;
|
||||
sprom[0] = bus->sprom.r1.gpio0;
|
||||
sprom[1] = bus->sprom.r1.gpio1;
|
||||
sprom[2] = bus->sprom.r1.gpio2;
|
||||
sprom[3] = bus->sprom.r1.gpio3;
|
||||
|
||||
for (i = 0; i < B43legacy_NR_LEDS; i++) {
|
||||
led = &(dev->leds[i]);
|
||||
led->index = i;
|
||||
led->dev = dev;
|
||||
setup_timer(&led->blink_timer,
|
||||
b43legacy_led_blink,
|
||||
(unsigned long)led);
|
||||
|
||||
if (sprom[i] == 0xFF)
|
||||
b43legacy_led_init_hardcoded(dev, led, i);
|
||||
else {
|
||||
led->behaviour = sprom[i] & B43legacy_LED_BEHAVIOUR;
|
||||
led->activelow = !!(sprom[i] &
|
||||
B43legacy_LED_ACTIVELOW);
|
||||
for (i = 0; i < 4; i++) {
|
||||
if (sprom[i] == 0xFF) {
|
||||
/* There is no LED information in the SPROM
|
||||
* for this LED. Hardcode it here. */
|
||||
activelow = 0;
|
||||
switch (i) {
|
||||
case 0:
|
||||
behaviour = B43legacy_LED_ACTIVITY;
|
||||
activelow = 1;
|
||||
if (bus->boardinfo.vendor == PCI_VENDOR_ID_COMPAQ)
|
||||
behaviour = B43legacy_LED_RADIO_ALL;
|
||||
break;
|
||||
case 1:
|
||||
behaviour = B43legacy_LED_RADIO_B;
|
||||
if (bus->boardinfo.vendor == PCI_VENDOR_ID_ASUSTEK)
|
||||
behaviour = B43legacy_LED_ASSOC;
|
||||
break;
|
||||
case 2:
|
||||
behaviour = B43legacy_LED_RADIO_A;
|
||||
break;
|
||||
case 3:
|
||||
behaviour = B43legacy_LED_OFF;
|
||||
break;
|
||||
default:
|
||||
B43legacy_WARN_ON(1);
|
||||
return;
|
||||
}
|
||||
} else {
|
||||
behaviour = sprom[i] & B43legacy_LED_BEHAVIOUR;
|
||||
activelow = !!(sprom[i] & B43legacy_LED_ACTIVELOW);
|
||||
}
|
||||
b43legacy_map_led(dev, i, behaviour, activelow);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
void b43legacy_leds_exit(struct b43legacy_wldev *dev)
|
||||
{
|
||||
struct b43legacy_led *led;
|
||||
int i;
|
||||
|
||||
for (i = 0; i < B43legacy_NR_LEDS; i++) {
|
||||
led = &(dev->leds[i]);
|
||||
b43legacy_led_blink_stop(led, 1);
|
||||
}
|
||||
b43legacy_leds_switch_all(dev, 0);
|
||||
}
|
||||
|
||||
void b43legacy_leds_update(struct b43legacy_wldev *dev, int activity)
|
||||
{
|
||||
struct b43legacy_led *led;
|
||||
struct b43legacy_phy *phy = &dev->phy;
|
||||
const int transferring = (jiffies - dev->stats.last_tx)
|
||||
< B43legacy_LED_XFER_THRES;
|
||||
int i;
|
||||
int turn_on;
|
||||
unsigned long interval = 0;
|
||||
u16 ledctl;
|
||||
unsigned long flags;
|
||||
bool radio_enabled = (phy->radio_on && dev->radio_hw_enable);
|
||||
|
||||
spin_lock_irqsave(&dev->wl->leds_lock, flags);
|
||||
ledctl = b43legacy_read16(dev, B43legacy_MMIO_GPIO_CONTROL);
|
||||
for (i = 0; i < B43legacy_NR_LEDS; i++) {
|
||||
led = &(dev->leds[i]);
|
||||
|
||||
turn_on = 0;
|
||||
switch (led->behaviour) {
|
||||
case B43legacy_LED_INACTIVE:
|
||||
continue;
|
||||
case B43legacy_LED_OFF:
|
||||
break;
|
||||
case B43legacy_LED_ON:
|
||||
turn_on = 1;
|
||||
break;
|
||||
case B43legacy_LED_ACTIVITY:
|
||||
turn_on = activity;
|
||||
break;
|
||||
case B43legacy_LED_RADIO_ALL:
|
||||
turn_on = radio_enabled;
|
||||
break;
|
||||
case B43legacy_LED_RADIO_A:
|
||||
break;
|
||||
case B43legacy_LED_RADIO_B:
|
||||
turn_on = radio_enabled;
|
||||
break;
|
||||
case B43legacy_LED_MODE_BG:
|
||||
if (phy->type == B43legacy_PHYTYPE_G && radio_enabled)
|
||||
turn_on = 1;
|
||||
break;
|
||||
case B43legacy_LED_TRANSFER:
|
||||
if (transferring)
|
||||
b43legacy_led_blink_start(led,
|
||||
B43legacy_LEDBLINK_MEDIUM);
|
||||
else
|
||||
b43legacy_led_blink_stop(led, 0);
|
||||
continue;
|
||||
case B43legacy_LED_APTRANSFER:
|
||||
if (b43legacy_is_mode(dev->wl,
|
||||
IEEE80211_IF_TYPE_AP)) {
|
||||
if (transferring) {
|
||||
interval = B43legacy_LEDBLINK_FAST;
|
||||
turn_on = 1;
|
||||
}
|
||||
} else {
|
||||
turn_on = 1;
|
||||
if (transferring)
|
||||
interval = B43legacy_LEDBLINK_FAST;
|
||||
else
|
||||
turn_on = 0;
|
||||
}
|
||||
if (turn_on)
|
||||
b43legacy_led_blink_start(led, interval);
|
||||
else
|
||||
b43legacy_led_blink_stop(led, 0);
|
||||
continue;
|
||||
case B43legacy_LED_WEIRD:
|
||||
break;
|
||||
case B43legacy_LED_ASSOC:
|
||||
turn_on = 1;
|
||||
#ifdef CONFIG_B43LEGACY_DEBUG
|
||||
case B43legacy_LED_TEST_BLINKSLOW:
|
||||
b43legacy_led_blink_start(led, B43legacy_LEDBLINK_SLOW);
|
||||
continue;
|
||||
case B43legacy_LED_TEST_BLINKMEDIUM:
|
||||
b43legacy_led_blink_start(led,
|
||||
B43legacy_LEDBLINK_MEDIUM);
|
||||
continue;
|
||||
case B43legacy_LED_TEST_BLINKFAST:
|
||||
b43legacy_led_blink_start(led, B43legacy_LEDBLINK_FAST);
|
||||
continue;
|
||||
#endif /* CONFIG_B43LEGACY_DEBUG */
|
||||
default:
|
||||
B43legacy_BUG_ON(1);
|
||||
};
|
||||
|
||||
if (led->activelow)
|
||||
turn_on = !turn_on;
|
||||
if (turn_on)
|
||||
ledctl |= (1 << i);
|
||||
else
|
||||
ledctl &= ~(1 << i);
|
||||
}
|
||||
b43legacy_write16(dev, B43legacy_MMIO_GPIO_CONTROL, ledctl);
|
||||
spin_unlock_irqrestore(&dev->wl->leds_lock, flags);
|
||||
}
|
||||
|
||||
void b43legacy_leds_switch_all(struct b43legacy_wldev *dev, int on)
|
||||
{
|
||||
struct b43legacy_led *led;
|
||||
u16 ledctl;
|
||||
int i;
|
||||
int bit_on;
|
||||
unsigned long flags;
|
||||
|
||||
spin_lock_irqsave(&dev->wl->leds_lock, flags);
|
||||
ledctl = b43legacy_read16(dev, B43legacy_MMIO_GPIO_CONTROL);
|
||||
for (i = 0; i < B43legacy_NR_LEDS; i++) {
|
||||
led = &(dev->leds[i]);
|
||||
if (led->behaviour == B43legacy_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);
|
||||
}
|
||||
b43legacy_write16(dev, B43legacy_MMIO_GPIO_CONTROL, ledctl);
|
||||
spin_unlock_irqrestore(&dev->wl->leds_lock, flags);
|
||||
b43legacy_unregister_led(&dev->led_tx);
|
||||
b43legacy_unregister_led(&dev->led_rx);
|
||||
b43legacy_unregister_led(&dev->led_assoc);
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user