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-rw-r--r--drivers/net/wireless/b43legacy/b43legacy.h11
-rw-r--r--drivers/net/wireless/b43legacy/main.c16
-rw-r--r--drivers/net/wireless/b43legacy/phy.c14
-rw-r--r--drivers/net/wireless/b43legacy/radio.c39
4 files changed, 61 insertions, 19 deletions
diff --git a/drivers/net/wireless/b43legacy/b43legacy.h b/drivers/net/wireless/b43legacy/b43legacy.h
index 34a6277051a..746de2ff498 100644
--- a/drivers/net/wireless/b43legacy/b43legacy.h
+++ b/drivers/net/wireless/b43legacy/b43legacy.h
@@ -411,7 +411,6 @@ struct b43legacy_phy {
u8 calibrated:1;
u8 radio_rev; /* Radio revision */
- bool radio_on; /* Radio switched on/off */
bool locked; /* Only used in b43legacy_phy_{un}lock() */
bool dyn_tssi_tbl; /* tssi2dbm is kmalloc()ed. */
@@ -420,6 +419,16 @@ struct b43legacy_phy {
bool aci_wlan_automatic;
bool aci_hw_rssi;
+ /* Radio switched on/off */
+ bool radio_on;
+ struct {
+ /* Values saved when turning the radio off.
+ * They are needed when turning it on again. */
+ bool valid;
+ u16 rfover;
+ u16 rfoverval;
+ } radio_off_context;
+
u16 minlowsig[2];
u16 minlowsigpos[2];
diff --git a/drivers/net/wireless/b43legacy/main.c b/drivers/net/wireless/b43legacy/main.c
index 61b94218094..3e935d0d4b8 100644
--- a/drivers/net/wireless/b43legacy/main.c
+++ b/drivers/net/wireless/b43legacy/main.c
@@ -2660,6 +2660,22 @@ static int b43legacy_dev_config(struct ieee80211_hw *hw,
b43legacy_set_beacon_int(dev, conf->beacon_int);
+ if (!!conf->radio_enabled != phy->radio_on) {
+ if (conf->radio_enabled) {
+ b43legacy_radio_turn_on(dev);
+ b43legacyinfo(dev->wl, "Radio turned on by software\n");
+ if (!dev->radio_hw_enable)
+ b43legacyinfo(dev->wl, "The hardware RF-kill"
+ " button still turns the radio"
+ " physically off. Press the"
+ " button to turn it on.\n");
+ } else {
+ b43legacy_radio_turn_off(dev);
+ b43legacyinfo(dev->wl, "Radio turned off by"
+ " software\n");
+ }
+ }
+
spin_lock_irqsave(&wl->irq_lock, flags);
b43legacy_interrupt_enable(dev, savedirqs);
mmiowb();
diff --git a/drivers/net/wireless/b43legacy/phy.c b/drivers/net/wireless/b43legacy/phy.c
index f9edbd5f300..22a4b3d0186 100644
--- a/drivers/net/wireless/b43legacy/phy.c
+++ b/drivers/net/wireless/b43legacy/phy.c
@@ -462,12 +462,7 @@ static void b43legacy_phy_initb2(struct b43legacy_wldev *dev)
val -= 0x0202;
}
b43legacy_phy_write(dev, 0x03E4, 0x3000);
- if (phy->channel == 0xFF)
- b43legacy_radio_selectchannel(dev,
- B43legacy_RADIO_DEFAULT_CHANNEL_BG,
- 0);
- else
- b43legacy_radio_selectchannel(dev, phy->channel, 0);
+ b43legacy_radio_selectchannel(dev, phy->channel, 0);
if (phy->radio_ver != 0x2050) {
b43legacy_radio_write16(dev, 0x0075, 0x0080);
b43legacy_radio_write16(dev, 0x0079, 0x0081);
@@ -516,12 +511,7 @@ static void b43legacy_phy_initb4(struct b43legacy_wldev *dev)
val -= 0x0202;
}
b43legacy_phy_write(dev, 0x03E4, 0x3000);
- if (phy->channel == 0xFF)
- b43legacy_radio_selectchannel(dev,
- B43legacy_RADIO_DEFAULT_CHANNEL_BG,
- 0);
- else
- b43legacy_radio_selectchannel(dev, phy->channel, 0);
+ b43legacy_radio_selectchannel(dev, phy->channel, 0);
if (phy->radio_ver != 0x2050) {
b43legacy_radio_write16(dev, 0x0075, 0x0080);
b43legacy_radio_write16(dev, 0x0079, 0x0081);
diff --git a/drivers/net/wireless/b43legacy/radio.c b/drivers/net/wireless/b43legacy/radio.c
index 2a11ee63f40..54067f08282 100644
--- a/drivers/net/wireless/b43legacy/radio.c
+++ b/drivers/net/wireless/b43legacy/radio.c
@@ -1767,6 +1767,17 @@ int b43legacy_radio_selectchannel(struct b43legacy_wldev *dev,
{
struct b43legacy_phy *phy = &dev->phy;
+ if (channel == 0xFF) {
+ switch (phy->type) {
+ case B43legacy_PHYTYPE_B:
+ case B43legacy_PHYTYPE_G:
+ channel = B43legacy_RADIO_DEFAULT_CHANNEL_BG;
+ break;
+ default:
+ B43legacy_WARN_ON(1);
+ }
+ }
+
/* TODO: Check if channel is valid - return -EINVAL if not */
if (synthetic_pu_workaround)
b43legacy_synth_pu_workaround(dev, channel);
@@ -2070,6 +2081,7 @@ void b43legacy_radio_turn_on(struct b43legacy_wldev *dev)
{
struct b43legacy_phy *phy = &dev->phy;
int err;
+ u8 channel;
might_sleep();
@@ -2083,15 +2095,24 @@ void b43legacy_radio_turn_on(struct b43legacy_wldev *dev)
b43legacy_phy_write(dev, 0x0015, 0xCC00);
b43legacy_phy_write(dev, 0x0015,
(phy->gmode ? 0x00C0 : 0x0000));
+ if (phy->radio_off_context.valid) {
+ /* Restore the RFover values. */
+ b43legacy_phy_write(dev, B43legacy_PHY_RFOVER,
+ phy->radio_off_context.rfover);
+ b43legacy_phy_write(dev, B43legacy_PHY_RFOVERVAL,
+ phy->radio_off_context.rfoverval);
+ phy->radio_off_context.valid = 0;
+ }
+ channel = phy->channel;
err = b43legacy_radio_selectchannel(dev,
B43legacy_RADIO_DEFAULT_CHANNEL_BG, 1);
- B43legacy_WARN_ON(err != 0);
+ err |= b43legacy_radio_selectchannel(dev, channel, 0);
+ B43legacy_WARN_ON(err);
break;
default:
B43legacy_BUG_ON(1);
}
phy->radio_on = 1;
- b43legacydbg(dev->wl, "Radio turned on\n");
b43legacy_leds_update(dev, 0);
}
@@ -2100,10 +2121,16 @@ void b43legacy_radio_turn_off(struct b43legacy_wldev *dev)
struct b43legacy_phy *phy = &dev->phy;
if (phy->type == B43legacy_PHYTYPE_G && dev->dev->id.revision >= 5) {
- b43legacy_phy_write(dev, 0x0811, b43legacy_phy_read(dev, 0x0811)
- | 0x008C);
- b43legacy_phy_write(dev, 0x0812, b43legacy_phy_read(dev, 0x0812)
- & 0xFF73);
+ u16 rfover, rfoverval;
+
+ rfover = b43legacy_phy_read(dev, B43legacy_PHY_RFOVER);
+ rfoverval = b43legacy_phy_read(dev, B43legacy_PHY_RFOVERVAL);
+ phy->radio_off_context.rfover = rfover;
+ phy->radio_off_context.rfoverval = rfoverval;
+ phy->radio_off_context.valid = 1;
+ b43legacy_phy_write(dev, B43legacy_PHY_RFOVER, rfover | 0x008C);
+ b43legacy_phy_write(dev, B43legacy_PHY_RFOVERVAL,
+ rfoverval & 0xFF73);
} else
b43legacy_phy_write(dev, 0x0015, 0xAA00);
phy->radio_on = 0;