[linux-2.6-block.git] / drivers / net / wireless / bcm43xx / bcm43xx_leds.c

/*

  Broadcom BCM43xx wireless driver

  Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>,
                     Stefano Brivio <st3@riseup.net>
                     Michael Buesch <mbuesch@freenet.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_radio.h"
#include "bcm43xx.h"

#include <linux/bitops.h>


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);
	ledctl = (ledctl & mask) ? (ledctl & ~mask) : (ledctl | mask);
	bcm43xx_write16(bcm, BCM43xx_MMIO_GPIO_CONTROL, ledctl);
}

static void bcm43xx_led_blink(unsigned long d)
{
	struct bcm43xx_led *led = (struct bcm43xx_led *)d;
	struct bcm43xx_private *bcm = led->bcm;
	unsigned long flags;

	spin_lock_irqsave(&bcm->leds_lock, flags);
	if (led->blink_interval) {
		bcm43xx_led_changestate(led);
		mod_timer(&led->blink_timer, jiffies + led->blink_interval);
	}
	spin_unlock_irqrestore(&bcm->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_private *bcm = led->bcm;
	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(bcm, BCM43xx_MMIO_GPIO_CONTROL);
	if (led->activelow)
		ledctl |= (1 << index);
	else
		ledctl &= ~(1 << index);
	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;
		led->activelow = 1;
		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;
	u8 sprom[4];
	int i;

	sprom[0] = bcm->sprom.wl0gpio0;
	sprom[1] = bcm->sprom.wl0gpio1;
	sprom[2] = bcm->sprom.wl0gpio2;
	sprom[3] = bcm->sprom.wl0gpio3;

	for (i = 0; i < BCM43xx_NR_LEDS; i++) {
		led = &(bcm->leds[i]);
		led->bcm = bcm;
		setup_timer(&led->blink_timer,
			    bcm43xx_led_blink,
			    (unsigned long)led);

		if (sprom[i] == 0xFF) {
			bcm43xx_led_init_hardcoded(bcm, 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_private *bcm)
{
	struct bcm43xx_led *led;
	int i;

	for (i = 0; i < BCM43xx_NR_LEDS; i++) {
		led = &(bcm->leds[i]);
		bcm43xx_led_blink_stop(led, 1);
	}
	bcm43xx_leds_switch_all(bcm, 0);
}

void bcm43xx_leds_update(struct bcm43xx_private *bcm, int activity)
{
	struct bcm43xx_led *led;
	struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
	struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
	const int transferring = (jiffies - bcm->stats.last_tx) < BCM43xx_LED_XFER_THRES;
	int i, turn_on;
	unsigned long interval = 0;
	u16 ledctl;
	unsigned long flags;

	spin_lock_irqsave(&bcm->leds_lock, flags);
	ledctl = bcm43xx_read16(bcm, BCM43xx_MMIO_GPIO_CONTROL);
	for (i = 0; i < BCM43xx_NR_LEDS; i++) {
		led = &(bcm->leds[i]);

		turn_on = 0;
		switch (led->behaviour) {
		case BCM43xx_LED_INACTIVE:
			continue;
		case BCM43xx_LED_OFF:
		case BCM43xx_LED_BCM4303_3:
			break;
		case BCM43xx_LED_ON:
			turn_on = 1;
			break;
		case BCM43xx_LED_ACTIVITY:
		case BCM43xx_LED_BCM4303_0:
			turn_on = activity;
			break;
		case BCM43xx_LED_RADIO_ALL:
			turn_on = radio->enabled && bcm43xx_is_hw_radio_enabled(bcm);
			break;
		case BCM43xx_LED_RADIO_A:
		case BCM43xx_LED_BCM4303_2:
			turn_on = (radio->enabled && bcm43xx_is_hw_radio_enabled(bcm) &&
				   phy->type == BCM43xx_PHYTYPE_A);
			break;
		case BCM43xx_LED_RADIO_B:
		case BCM43xx_LED_BCM4303_1:
			turn_on = (radio->enabled && bcm43xx_is_hw_radio_enabled(bcm) &&
				   (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(bcm) &&
			    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 (bcm->ieee->iw_mode == IW_MODE_MASTER) {
				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 (bcm->softmac->associnfo.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:
			dprintkl(KERN_INFO PFX "Bad value in leds_update,"
				" led->behaviour: 0x%x\n", led->behaviour);
		};

		if (led->activelow)
			turn_on = !turn_on;
		if (turn_on)
			ledctl |= (1 << i);
		else
			ledctl &= ~(1 << i);
	}
	bcm43xx_write16(bcm, BCM43xx_MMIO_GPIO_CONTROL, ledctl);
	spin_unlock_irqrestore(&bcm->leds_lock, flags);
}

void bcm43xx_leds_switch_all(struct bcm43xx_private *bcm, int on)
{
	struct bcm43xx_led *led;
	u16 ledctl;
	int i;
	int bit_on;
	unsigned long flags;

	spin_lock_irqsave(&bcm->leds_lock, flags);
	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;
		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(bcm, BCM43xx_MMIO_GPIO_CONTROL, ledctl);
	spin_unlock_irqrestore(&bcm->leds_lock, flags);
}
Commit	Line	Data
f222313a JL	1	/*
	2
	3	Broadcom BCM43xx wireless driver
	4
	5	Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>,
	6	Stefano Brivio <st3@riseup.net>
	7	Michael Buesch <mbuesch@freenet.de>
	8	Danny van Dyk <kugelfang@gentoo.org>
	9	Andreas Jaggi <andreas.jaggi@waterwave.ch>
	10
	11	This program is free software; you can redistribute it and/or modify
	12	it under the terms of the GNU General Public License as published by
	13	the Free Software Foundation; either version 2 of the License, or
	14	(at your option) any later version.
	15
	16	This program is distributed in the hope that it will be useful,
	17	but WITHOUT ANY WARRANTY; without even the implied warranty of
	18	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	19	GNU General Public License for more details.
	20
	21	You should have received a copy of the GNU General Public License
	22	along with this program; see the file COPYING. If not, write to
	23	the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
	24	Boston, MA 02110-1301, USA.
	25
	26	*/
	27
	28	#include "bcm43xx_leds.h"
01917382	29	#include "bcm43xx_radio.h"
f222313a JL	30	#include "bcm43xx.h"
f222313a JL	31
1977f032	32	#include <linux/bitops.h>
f222313a JL	33
	34
	35	static void bcm43xx_led_changestate(struct bcm43xx_led *led)
	36	{
	37	struct bcm43xx_private *bcm = led->bcm;
	38	const int index = bcm43xx_led_index(led);
dcfd720b	39	const u16 mask = (1 << index);
f222313a JL	40	u16 ledctl;
	41
	42	assert(index >= 0 && index < BCM43xx_NR_LEDS);
	43	assert(led->blink_interval);
	44	ledctl = bcm43xx_read16(bcm, BCM43xx_MMIO_GPIO_CONTROL);
dcfd720b	45	ledctl = (ledctl & mask) ? (ledctl & ~mask) : (ledctl \| mask);
f222313a JL	46	bcm43xx_write16(bcm, BCM43xx_MMIO_GPIO_CONTROL, ledctl);
	47	}
	48
	49	static void bcm43xx_led_blink(unsigned long d)
	50	{
	51	struct bcm43xx_led led = (struct bcm43xx_led )d;
	52	struct bcm43xx_private *bcm = led->bcm;
	53	unsigned long flags;
	54
efa6a370	55	spin_lock_irqsave(&bcm->leds_lock, flags);
f222313a JL	56	if (led->blink_interval) {
	57	bcm43xx_led_changestate(led);
	58	mod_timer(&led->blink_timer, jiffies + led->blink_interval);
	59	}
efa6a370	60	spin_unlock_irqrestore(&bcm->leds_lock, flags);
f222313a JL	61	}
	62
	63	static void bcm43xx_led_blink_start(struct bcm43xx_led *led,
	64	unsigned long interval)
	65	{
dcfd720b MB	66	if (led->blink_interval)
dcfd720b MB	67	return;
f222313a JL	68	led->blink_interval = interval;
	69	bcm43xx_led_changestate(led);
	70	led->blink_timer.expires = jiffies + interval;
	71	add_timer(&led->blink_timer);
	72	}
	73
	74	static void bcm43xx_led_blink_stop(struct bcm43xx_led *led, int sync)
	75	{
	76	struct bcm43xx_private *bcm = led->bcm;
	77	const int index = bcm43xx_led_index(led);
	78	u16 ledctl;
	79
	80	if (!led->blink_interval)
	81	return;
	82	if (unlikely(sync))
	83	del_timer_sync(&led->blink_timer);
	84	else
	85	del_timer(&led->blink_timer);
	86	led->blink_interval = 0;
	87
	88	/* Make sure the LED is turned off. */
	89	assert(index >= 0 && index < BCM43xx_NR_LEDS);
	90	ledctl = bcm43xx_read16(bcm, BCM43xx_MMIO_GPIO_CONTROL);
	91	if (led->activelow)
	92	ledctl \|= (1 << index);
	93	else
	94	ledctl &= ~(1 << index);
	95	bcm43xx_write16(bcm, BCM43xx_MMIO_GPIO_CONTROL, ledctl);
	96	}
	97
dcfd720b MB	98	static void bcm43xx_led_init_hardcoded(struct bcm43xx_private *bcm,
	99	struct bcm43xx_led *led,
	100	int led_index)
	101	{
	102	/* This function is called, if the behaviour (and activelow)
	103	* information for a LED is missing in the SPROM.
	104	* We hardcode the behaviour values for various devices here.
	105	* Note that the BCM43xx_LED_TEST_XXX behaviour values can
	106	* be used to figure out which led is mapped to which index.
	107	*/
	108
	109	switch (led_index) {
	110	case 0:
	111	led->behaviour = BCM43xx_LED_ACTIVITY;
01917382	112	led->activelow = 1;
dcfd720b MB	113	if (bcm->board_vendor == PCI_VENDOR_ID_COMPAQ)
	114	led->behaviour = BCM43xx_LED_RADIO_ALL;
	115	break;
	116	case 1:
	117	led->behaviour = BCM43xx_LED_RADIO_B;
	118	if (bcm->board_vendor == PCI_VENDOR_ID_ASUSTEK)
	119	led->behaviour = BCM43xx_LED_ASSOC;
	120	break;
	121	case 2:
	122	led->behaviour = BCM43xx_LED_RADIO_A;
	123	break;
	124	case 3:
	125	led->behaviour = BCM43xx_LED_OFF;
	126	break;
	127	default:
	128	assert(0);
	129	}
	130	}
	131
f222313a JL	132	int bcm43xx_leds_init(struct bcm43xx_private *bcm)
	133	{
	134	struct bcm43xx_led *led;
	135	u8 sprom[4];
	136	int i;
	137
	138	sprom[0] = bcm->sprom.wl0gpio0;
	139	sprom[1] = bcm->sprom.wl0gpio1;
	140	sprom[2] = bcm->sprom.wl0gpio2;
	141	sprom[3] = bcm->sprom.wl0gpio3;
	142
	143	for (i = 0; i < BCM43xx_NR_LEDS; i++) {
	144	led = &(bcm->leds[i]);
	145	led->bcm = bcm;
dcfd720b MB	146	setup_timer(&led->blink_timer,
	147	bcm43xx_led_blink,
	148	(unsigned long)led);
f222313a JL	149
f222313a JL	150	if (sprom[i] == 0xFF) {
dcfd720b	151	bcm43xx_led_init_hardcoded(bcm, led, i);
f222313a JL	152	} else {
	153	led->behaviour = sprom[i] & BCM43xx_LED_BEHAVIOUR;
	154	led->activelow = !!(sprom[i] & BCM43xx_LED_ACTIVELOW);
	155	}
	156	}
	157
	158	return 0;
	159	}
	160
	161	void bcm43xx_leds_exit(struct bcm43xx_private *bcm)
	162	{
	163	struct bcm43xx_led *led;
	164	int i;
	165
	166	for (i = 0; i < BCM43xx_NR_LEDS; i++) {
	167	led = &(bcm->leds[i]);
	168	bcm43xx_led_blink_stop(led, 1);
	169	}
714eece7	170	bcm43xx_leds_switch_all(bcm, 0);
f222313a JL	171	}
	172
	173	void bcm43xx_leds_update(struct bcm43xx_private *bcm, int activity)
	174	{
	175	struct bcm43xx_led *led;
e9357c05 MB	176	struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
e9357c05 MB	177	struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
f222313a	178	const int transferring = (jiffies - bcm->stats.last_tx) < BCM43xx_LED_XFER_THRES;
dcfd720b	179	int i, turn_on;
f222313a JL	180	unsigned long interval = 0;
f222313a JL	181	u16 ledctl;
efa6a370	182	unsigned long flags;
f222313a	183
efa6a370	184	spin_lock_irqsave(&bcm->leds_lock, flags);
f222313a JL	185	ledctl = bcm43xx_read16(bcm, BCM43xx_MMIO_GPIO_CONTROL);
	186	for (i = 0; i < BCM43xx_NR_LEDS; i++) {
	187	led = &(bcm->leds[i]);
f222313a	188
dcfd720b	189	turn_on = 0;
f222313a	190	switch (led->behaviour) {
dcfd720b MB	191	case BCM43xx_LED_INACTIVE:
dcfd720b MB	192	continue;
f222313a	193	case BCM43xx_LED_OFF:
df6d7c94	194	case BCM43xx_LED_BCM4303_3:
f222313a JL	195	break;
	196	case BCM43xx_LED_ON:
	197	turn_on = 1;
	198	break;
	199	case BCM43xx_LED_ACTIVITY:
df6d7c94	200	case BCM43xx_LED_BCM4303_0:
f222313a JL	201	turn_on = activity;
	202	break;
	203	case BCM43xx_LED_RADIO_ALL:
01917382	204	turn_on = radio->enabled && bcm43xx_is_hw_radio_enabled(bcm);
f222313a JL	205	break;
f222313a JL	206	case BCM43xx_LED_RADIO_A:
df6d7c94	207	case BCM43xx_LED_BCM4303_2:
01917382 LF	208	turn_on = (radio->enabled && bcm43xx_is_hw_radio_enabled(bcm) &&
01917382 LF	209	phy->type == BCM43xx_PHYTYPE_A);
f222313a JL	210	break;
f222313a JL	211	case BCM43xx_LED_RADIO_B:
df6d7c94	212	case BCM43xx_LED_BCM4303_1:
01917382	213	turn_on = (radio->enabled && bcm43xx_is_hw_radio_enabled(bcm) &&
f222313a JL	214	(phy->type == BCM43xx_PHYTYPE_B \|\|
	215	phy->type == BCM43xx_PHYTYPE_G));
	216	break;
	217	case BCM43xx_LED_MODE_BG:
01917382	218	if (phy->type == BCM43xx_PHYTYPE_G && bcm43xx_is_hw_radio_enabled(bcm) &&
f222313a JL	219	1/FIXME: using G rates./)
	220	turn_on = 1;
	221	break;
	222	case BCM43xx_LED_TRANSFER:
	223	if (transferring)
	224	bcm43xx_led_blink_start(led, BCM43xx_LEDBLINK_MEDIUM);
	225	else
	226	bcm43xx_led_blink_stop(led, 0);
	227	continue;
	228	case BCM43xx_LED_APTRANSFER:
	229	if (bcm->ieee->iw_mode == IW_MODE_MASTER) {
	230	if (transferring) {
	231	interval = BCM43xx_LEDBLINK_FAST;
	232	turn_on = 1;
	233	}
	234	} else {
	235	turn_on = 1;
	236	if (0/TODO: not assoc/)
	237	interval = BCM43xx_LEDBLINK_SLOW;
	238	else if (transferring)
	239	interval = BCM43xx_LEDBLINK_FAST;
	240	else
	241	turn_on = 0;
	242	}
	243	if (turn_on)
	244	bcm43xx_led_blink_start(led, interval);
	245	else
	246	bcm43xx_led_blink_stop(led, 0);
	247	continue;
	248	case BCM43xx_LED_WEIRD:
	249	//TODO
f222313a JL	250	break;
f222313a JL	251	case BCM43xx_LED_ASSOC:
7c28ad2d	252	if (bcm->softmac->associnfo.associated)
f222313a JL	253	turn_on = 1;
f222313a JL	254	break;
dcfd720b MB	255	#ifdef CONFIG_BCM43XX_DEBUG
	256	case BCM43xx_LED_TEST_BLINKSLOW:
	257	bcm43xx_led_blink_start(led, BCM43xx_LEDBLINK_SLOW);
	258	continue;
	259	case BCM43xx_LED_TEST_BLINKMEDIUM:
	260	bcm43xx_led_blink_start(led, BCM43xx_LEDBLINK_MEDIUM);
	261	continue;
	262	case BCM43xx_LED_TEST_BLINKFAST:
	263	bcm43xx_led_blink_start(led, BCM43xx_LEDBLINK_FAST);
	264	continue;
	265	#endif /* CONFIG_BCM43XX_DEBUG */
f222313a	266	default:
df6d7c94 LF	267	dprintkl(KERN_INFO PFX "Bad value in leds_update,"
df6d7c94 LF	268	" led->behaviour: 0x%x\n", led->behaviour);
f222313a JL	269	};
	270
	271	if (led->activelow)
	272	turn_on = !turn_on;
	273	if (turn_on)
	274	ledctl \|= (1 << i);
	275	else
	276	ledctl &= ~(1 << i);
	277	}
	278	bcm43xx_write16(bcm, BCM43xx_MMIO_GPIO_CONTROL, ledctl);
efa6a370	279	spin_unlock_irqrestore(&bcm->leds_lock, flags);
f222313a JL	280	}
f222313a JL	281
714eece7	282	void bcm43xx_leds_switch_all(struct bcm43xx_private *bcm, int on)
f222313a JL	283	{
f222313a JL	284	struct bcm43xx_led *led;
714eece7	285	u16 ledctl;
f222313a	286	int i;
714eece7	287	int bit_on;
efa6a370	288	unsigned long flags;
f222313a	289
efa6a370	290	spin_lock_irqsave(&bcm->leds_lock, flags);
714eece7	291	ledctl = bcm43xx_read16(bcm, BCM43xx_MMIO_GPIO_CONTROL);
f222313a JL	292	for (i = 0; i < BCM43xx_NR_LEDS; i++) {
	293	led = &(bcm->leds[i]);
	294	if (led->behaviour == BCM43xx_LED_INACTIVE)
	295	continue;
714eece7 MB	296	if (on)
	297	bit_on = led->activelow ? 0 : 1;
	298	else
	299	bit_on = led->activelow ? 1 : 0;
	300	if (bit_on)
f222313a	301	ledctl \|= (1 << i);
714eece7 MB	302	else
714eece7 MB	303	ledctl &= ~(1 << i);
f222313a JL	304	}
f222313a JL	305	bcm43xx_write16(bcm, BCM43xx_MMIO_GPIO_CONTROL, ledctl);
efa6a370	306	spin_unlock_irqrestore(&bcm->leds_lock, flags);
f222313a	307	}