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The bcm43xx driver uses 4 locations in the devices sprom to determine the behavior of the leds. Certain defaults are assigned if all bits are set in those locations. On at least one BCM4303 chip, the sprom contains values other than the default, which executes an assertion placed in the default case of a following switch statement. This patch makes the leds on the above mentioned interface behave correctly. In addition, it limits the number of logged messages to 20 for the case of unexpected values in the sprom locations. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
63 lines
1.6 KiB
C
63 lines
1.6 KiB
C
#ifndef BCM43xx_LEDS_H_
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#define BCM43xx_LEDS_H_
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#include <linux/types.h>
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#include <linux/timer.h>
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struct bcm43xx_led {
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u8 behaviour:7;
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u8 activelow:1;
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struct bcm43xx_private *bcm;
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struct timer_list blink_timer;
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unsigned long blink_interval;
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};
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#define bcm43xx_led_index(led) ((int)((led) - (led)->bcm->leds))
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/* Delay between state changes when blinking in jiffies */
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#define BCM43xx_LEDBLINK_SLOW (HZ / 1)
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#define BCM43xx_LEDBLINK_MEDIUM (HZ / 4)
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#define BCM43xx_LEDBLINK_FAST (HZ / 8)
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#define BCM43xx_LED_XFER_THRES (HZ / 100)
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#define BCM43xx_LED_BEHAVIOUR 0x7F
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#define BCM43xx_LED_ACTIVELOW 0x80
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enum { /* LED behaviour values */
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BCM43xx_LED_OFF,
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BCM43xx_LED_ON,
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BCM43xx_LED_ACTIVITY,
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BCM43xx_LED_RADIO_ALL,
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BCM43xx_LED_RADIO_A,
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BCM43xx_LED_RADIO_B,
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BCM43xx_LED_MODE_BG,
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BCM43xx_LED_TRANSFER,
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BCM43xx_LED_APTRANSFER,
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BCM43xx_LED_WEIRD,//FIXME
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BCM43xx_LED_ASSOC,
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BCM43xx_LED_INACTIVE,
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/* Behaviour values for testing.
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* With these values it is easier to figure out
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* the real behaviour of leds, in case the SPROM
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* is missing information.
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*/
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BCM43xx_LED_TEST_BLINKSLOW,
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BCM43xx_LED_TEST_BLINKMEDIUM,
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BCM43xx_LED_TEST_BLINKFAST,
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/* Misc values for BCM4303 */
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BCM43xx_LED_BCM4303_0 = 0x2B,
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BCM43xx_LED_BCM4303_1 = 0x78,
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BCM43xx_LED_BCM4303_2 = 0x2E,
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BCM43xx_LED_BCM4303_3 = 0x19,
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};
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int bcm43xx_leds_init(struct bcm43xx_private *bcm);
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void bcm43xx_leds_exit(struct bcm43xx_private *bcm);
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void bcm43xx_leds_update(struct bcm43xx_private *bcm, int activity);
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void bcm43xx_leds_switch_all(struct bcm43xx_private *bcm, int on);
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#endif /* BCM43xx_LEDS_H_ */
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