+++ /dev/null
-/*
-
- Broadcom BCM43xx 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 "bcm43xx_leds.h"
-#include "bcm43xx.h"
-#include "bcm43xx_main.h"
-
-static void bcm43xx_led_changestate(struct bcm43xx_led *led)
-{
- struct bcm43xx_wldev *dev = led->dev;
- const int index = bcm43xx_led_index(led);
- const u16 mask = (1 << index);
- u16 ledctl;
-
- assert(index >= 0 && index < BCM43xx_NR_LEDS);
- assert(led->blink_interval);
- ledctl = bcm43xx_read16(dev, BCM43xx_MMIO_GPIO_CONTROL);
- ledctl = (ledctl & mask) ? (ledctl & ~mask) : (ledctl | mask);
- bcm43xx_write16(dev, BCM43xx_MMIO_GPIO_CONTROL, ledctl);
-}
-
-static void bcm43xx_led_blink(unsigned long d)
-{
- struct bcm43xx_led *led = (struct bcm43xx_led *)d;
- struct bcm43xx_wldev *dev = led->dev;
- unsigned long flags;
-
- spin_lock_irqsave(&dev->wl->leds_lock, flags);
- if (led->blink_interval) {
- bcm43xx_led_changestate(led);
- mod_timer(&led->blink_timer, jiffies + led->blink_interval);
- }
- spin_unlock_irqrestore(&dev->wl->leds_lock, flags);
-}
-
-static void bcm43xx_led_blink_start(struct bcm43xx_led *led,
- unsigned long interval)
-{
- if (led->blink_interval)
- return;
- led->blink_interval = interval;
- bcm43xx_led_changestate(led);
- led->blink_timer.expires = jiffies + interval;
- add_timer(&led->blink_timer);
-}
-
-static void bcm43xx_led_blink_stop(struct bcm43xx_led *led, int sync)
-{
- struct bcm43xx_wldev *dev = led->dev;
- const int index = bcm43xx_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. */
- assert(index >= 0 && index < BCM43xx_NR_LEDS);
- ledctl = bcm43xx_read16(dev, BCM43xx_MMIO_GPIO_CONTROL);
- if (led->activelow)
- ledctl |= (1 << index);
- else
- ledctl &= ~(1 << index);
- bcm43xx_write16(dev, BCM43xx_MMIO_GPIO_CONTROL, ledctl);
-}
-
-static void bcm43xx_led_init_hardcoded(struct bcm43xx_wldev *dev,
- struct bcm43xx_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 BCM43xx_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 = BCM43xx_LED_ACTIVITY;
- led->activelow = 1;
- if (bus->board_vendor == PCI_VENDOR_ID_COMPAQ)
- led->behaviour = BCM43xx_LED_RADIO_ALL;
- break;
- case 1:
- led->behaviour = BCM43xx_LED_RADIO_B;
- if (bus->board_vendor == PCI_VENDOR_ID_ASUSTEK)
- led->behaviour = BCM43xx_LED_ASSOC;
- break;
- case 2:
- led->behaviour = BCM43xx_LED_RADIO_A;
- break;
- case 3:
- led->behaviour = BCM43xx_LED_OFF;
- break;
- default:
- assert(0);
- }
-}
-
-int bcm43xx_leds_init(struct bcm43xx_wldev *dev)
-{
- struct bcm43xx_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 < BCM43xx_NR_LEDS; i++) {
- led = &(dev->leds[i]);
- led->dev = dev;
- setup_timer(&led->blink_timer,
- bcm43xx_led_blink,
- (unsigned long)led);
-
- if (sprom[i] == 0xFF) {
- bcm43xx_led_init_hardcoded(dev, led, i);
- } else {
- led->behaviour = sprom[i] & BCM43xx_LED_BEHAVIOUR;
- led->activelow = !!(sprom[i] & BCM43xx_LED_ACTIVELOW);
- }
- }
-
- return 0;
-}
-
-void bcm43xx_leds_exit(struct bcm43xx_wldev *dev)
-{
- struct bcm43xx_led *led;
- int i;
-
- for (i = 0; i < BCM43xx_NR_LEDS; i++) {
- led = &(dev->leds[i]);
- bcm43xx_led_blink_stop(led, 1);
- }
- bcm43xx_leds_switch_all(dev, 0);
-}
-
-void bcm43xx_leds_update(struct bcm43xx_wldev *dev, int activity)
-{
- struct bcm43xx_led *led;
- struct bcm43xx_phy *phy = &dev->phy;
- const int transferring = (jiffies - dev->stats.last_tx) < BCM43xx_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 = bcm43xx_read16(dev, BCM43xx_MMIO_GPIO_CONTROL);
- for (i = 0; i < BCM43xx_NR_LEDS; i++) {
- led = &(dev->leds[i]);
-
- turn_on = 0;
- switch (led->behaviour) {
- case BCM43xx_LED_INACTIVE:
- continue;
- case BCM43xx_LED_OFF:
- break;
- case BCM43xx_LED_ON:
- turn_on = 1;
- break;
- case BCM43xx_LED_ACTIVITY:
- turn_on = activity;
- break;
- case BCM43xx_LED_RADIO_ALL:
- turn_on = phy->radio_on && bcm43xx_is_hw_radio_enabled(dev);
- break;
- case BCM43xx_LED_RADIO_A:
- turn_on = (phy->radio_on && bcm43xx_is_hw_radio_enabled(dev)
- && phy->type == BCM43xx_PHYTYPE_A);
- break;
- case BCM43xx_LED_RADIO_B:
- turn_on = (phy->radio_on && bcm43xx_is_hw_radio_enabled(dev) &&
- (phy->type == BCM43xx_PHYTYPE_B ||
- phy->type == BCM43xx_PHYTYPE_G));
- break;
- case BCM43xx_LED_MODE_BG:
- if (phy->type == BCM43xx_PHYTYPE_G && bcm43xx_is_hw_radio_enabled(dev) &&
- 1/*FIXME: using G rates.*/)
- turn_on = 1;
- break;
- case BCM43xx_LED_TRANSFER:
- if (transferring)
- bcm43xx_led_blink_start(led, BCM43xx_LEDBLINK_MEDIUM);
- else
- bcm43xx_led_blink_stop(led, 0);
- continue;
- case BCM43xx_LED_APTRANSFER:
- if (bcm43xx_is_mode(dev->wl, IEEE80211_IF_TYPE_AP)) {
- if (transferring) {
- interval = BCM43xx_LEDBLINK_FAST;
- turn_on = 1;
- }
- } else {
- turn_on = 1;
- if (0/*TODO: not assoc*/)
- interval = BCM43xx_LEDBLINK_SLOW;
- else if (transferring)
- interval = BCM43xx_LEDBLINK_FAST;
- else
- turn_on = 0;
- }
- if (turn_on)
- bcm43xx_led_blink_start(led, interval);
- else
- bcm43xx_led_blink_stop(led, 0);
- continue;
- case BCM43xx_LED_WEIRD:
- //TODO
- break;
- case BCM43xx_LED_ASSOC:
- if (1/*dev->softmac->associated*/)
- turn_on = 1;
- break;
-#ifdef CONFIG_BCM43XX_DEBUG
- case BCM43xx_LED_TEST_BLINKSLOW:
- bcm43xx_led_blink_start(led, BCM43xx_LEDBLINK_SLOW);
- continue;
- case BCM43xx_LED_TEST_BLINKMEDIUM:
- bcm43xx_led_blink_start(led, BCM43xx_LEDBLINK_MEDIUM);
- continue;
- case BCM43xx_LED_TEST_BLINKFAST:
- bcm43xx_led_blink_start(led, BCM43xx_LEDBLINK_FAST);
- continue;
-#endif /* CONFIG_BCM43XX_DEBUG */
- default:
- assert(0);
- };
-
- if (led->activelow)
- turn_on = !turn_on;
- if (turn_on)
- ledctl |= (1 << i);
- else
- ledctl &= ~(1 << i);
- }
- bcm43xx_write16(dev, BCM43xx_MMIO_GPIO_CONTROL, ledctl);
- spin_unlock_irqrestore(&dev->wl->leds_lock, flags);
-}
-
-void bcm43xx_leds_switch_all(struct bcm43xx_wldev *dev, int on)
-{
- struct bcm43xx_led *led;
- u16 ledctl;
- int i;
- int bit_on;
- unsigned long flags;
-
- spin_lock_irqsave(&dev->wl->leds_lock, flags);
- ledctl = bcm43xx_read16(dev, BCM43xx_MMIO_GPIO_CONTROL);
- for (i = 0; i < BCM43xx_NR_LEDS; i++) {
- led = &(dev->leds[i]);
- if (led->behaviour == BCM43xx_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);
- }
- bcm43xx_write16(dev, BCM43xx_MMIO_GPIO_CONTROL, ledctl);
- spin_unlock_irqrestore(&dev->wl->leds_lock, flags);
-}
projects / openwrt.git / blobdiff