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[PATCH] bcm43xx: fix LED code. 

Signed-off-by: Michael Buesch <mbuesch@freenet.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Michael Buesch 2006-02-12 20:25:55 +01:00 committed by John W. Linville
parent d5dd8e28aa
commit dcfd720bd7
3 changed files with 68 additions and 33 deletions
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88
drivers/net/wireless/bcm43xx/bcm43xx_leds.c
View File

@ -35,12 +35,13 @@ static void bcm43xx_led_changestate(struct bcm43xx_led *led)
{
struct bcm43xx_private *bcm = led->bcm;
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(bcm, BCM43xx_MMIO_GPIO_CONTROL);
__change_bit(index, (unsigned long *)(&ledctl));
ledctl = (ledctl & mask) ? (ledctl & ~mask) : (ledctl | mask);
bcm43xx_write16(bcm, BCM43xx_MMIO_GPIO_CONTROL, ledctl);
}
@ -61,6 +62,8 @@ static void bcm43xx_led_blink(unsigned long d)
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;
@ -91,6 +94,39 @@ static void bcm43xx_led_blink_stop(struct bcm43xx_led *led, int sync)
bcm43xx_write16(bcm, BCM43xx_MMIO_GPIO_CONTROL, ledctl);
}
static void bcm43xx_led_init_hardcoded(struct bcm43xx_private *bcm,
struct bcm43xx_led *led,
int led_index)
{
/* 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;
if (bcm->board_vendor == PCI_VENDOR_ID_COMPAQ)
led->behaviour = BCM43xx_LED_RADIO_ALL;
break;
case 1:
led->behaviour = BCM43xx_LED_RADIO_B;
if (bcm->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_private *bcm)
{
struct bcm43xx_led *led;
@ -105,31 +141,12 @@ int bcm43xx_leds_init(struct bcm43xx_private *bcm)
for (i = 0; i < BCM43xx_NR_LEDS; i++) {
led = &(bcm->leds[i]);
led->bcm = bcm;
init_timer(&led->blink_timer);
led->blink_timer.data = (unsigned long)led;
led->blink_timer.function = bcm43xx_led_blink;
setup_timer(&led->blink_timer,
bcm43xx_led_blink,
(unsigned long)led);
if (sprom[i] == 0xFF) {
/* SPROM information not set. */
switch (i) {
case 0:
if (bcm->board_vendor == PCI_VENDOR_ID_COMPAQ)
led->behaviour = BCM43xx_LED_RADIO_ALL;
else
led->behaviour = BCM43xx_LED_ACTIVITY;
break;
case 1:
led->behaviour = BCM43xx_LED_RADIO_B;
break;
case 2:
led->behaviour = BCM43xx_LED_RADIO_A;
break;
case 3:
led->behaviour = BCM43xx_LED_OFF;
break;
default:
assert(0);
}
bcm43xx_led_init_hardcoded(bcm, led, i);
} else {
led->behaviour = sprom[i] & BCM43xx_LED_BEHAVIOUR;
led->activelow = !!(sprom[i] & BCM43xx_LED_ACTIVELOW);
@ -157,19 +174,19 @@ void bcm43xx_leds_update(struct bcm43xx_private *bcm, int activity)
struct bcm43xx_radioinfo *radio = bcm->current_core->radio;
struct bcm43xx_phyinfo *phy = bcm->current_core->phy;
const int transferring = (jiffies - bcm->stats.last_tx) < BCM43xx_LED_XFER_THRES;
int i, turn_on = 0;
int i, turn_on;
unsigned long interval = 0;
u16 ledctl;
ledctl = bcm43xx_read16(bcm, BCM43xx_MMIO_GPIO_CONTROL);
for (i = 0; i < BCM43xx_NR_LEDS; i++) {
led = &(bcm->leds[i]);
if (led->behaviour == BCM43xx_LED_INACTIVE)
continue;
turn_on = 0;
switch (led->behaviour) {
case BCM43xx_LED_INACTIVE:
continue;
case BCM43xx_LED_OFF:
turn_on = 0;
break;
case BCM43xx_LED_ON:
turn_on = 1;
@ -189,7 +206,6 @@ void bcm43xx_leds_update(struct bcm43xx_private *bcm, int activity)
phy->type == BCM43xx_PHYTYPE_G));
break;
case BCM43xx_LED_MODE_BG:
turn_on = 0;
if (phy->type == BCM43xx_PHYTYPE_G &&
1/*FIXME: using G rates.*/)
turn_on = 1;
@ -222,12 +238,22 @@ void bcm43xx_leds_update(struct bcm43xx_private *bcm, int activity)
continue;
case BCM43xx_LED_WEIRD:
//TODO
turn_on = 0;
break;
case BCM43xx_LED_ASSOC:
if (1/*TODO: associated*/)
if (bcm->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);
};

11
drivers/net/wireless/bcm43xx/bcm43xx_leds.h
View File

@ -16,7 +16,7 @@ struct bcm43xx_led {
#define bcm43xx_led_index(led) ((int)((led) - (led)->bcm->leds))
/* Delay between state changes when blinking in jiffies */
#define BCM43xx_LEDBLINK_SLOW (HZ / 2)
#define BCM43xx_LEDBLINK_SLOW (HZ / 1)
#define BCM43xx_LEDBLINK_MEDIUM (HZ / 4)
#define BCM43xx_LEDBLINK_FAST (HZ / 8)
@ -37,6 +37,15 @@ enum { /* LED behaviour values */
BCM43xx_LED_WEIRD,//FIXME
BCM43xx_LED_ASSOC,
BCM43xx_LED_INACTIVE,
/* Behaviour values for testing.
* With these values it is easier to figure out
* the real behaviour of leds, in case the SPROM
* is missing information.
*/
BCM43xx_LED_TEST_BLINKSLOW,
BCM43xx_LED_TEST_BLINKMEDIUM,
BCM43xx_LED_TEST_BLINKFAST,
};
int bcm43xx_leds_init(struct bcm43xx_private *bcm);

2
drivers/net/wireless/bcm43xx/bcm43xx_main.c
View File

@ -1943,7 +1943,7 @@ static void bcm43xx_interrupt_tasklet(struct bcm43xx_private *bcm)
bcm43xx_pio_rx(bcm->current_core->pio->queue0);
else
bcm43xx_dma_rx(bcm->current_core->dma->rx_ring0);
activity = 1;
/* We intentionally don't set "activity" to 1, here. */
}
if (dma_reason[3] & BCM43xx_DMAIRQ_RX_DONE) {
if (likely(bcm->current_core->rev < 5)) {