}
}
-void b43_raw_phy_lock(struct b43_wldev *dev)
+/* Lock the PHY registers against concurrent access from the microcode.
+ * This lock is nonrecursive. */
+void b43_phy_lock(struct b43_wldev *dev)
{
- struct b43_phy *phy = &dev->phy;
-
- B43_WARN_ON(!irqs_disabled());
-
- /* We had a check for MACCTL==0 here, but I think that doesn't
- * make sense, as MACCTL is never 0 when this is called.
- * --mb */
- B43_WARN_ON(b43_read32(dev, B43_MMIO_MACCTL) == 0);
+#if B43_DEBUG
+ B43_WARN_ON(dev->phy.phy_locked);
+ dev->phy.phy_locked = 1;
+#endif
+ B43_WARN_ON(dev->dev->id.revision < 3);
- if (dev->dev->id.revision < 3) {
- b43_mac_suspend(dev);
- spin_lock(&phy->lock);
- } else {
- if (!b43_is_mode(dev->wl, IEEE80211_IF_TYPE_AP))
- b43_power_saving_ctl_bits(dev, B43_PS_AWAKE);
- }
- phy->locked = 1;
+ if (!b43_is_mode(dev->wl, IEEE80211_IF_TYPE_AP))
+ b43_power_saving_ctl_bits(dev, B43_PS_AWAKE);
}
-void b43_raw_phy_unlock(struct b43_wldev *dev)
+void b43_phy_unlock(struct b43_wldev *dev)
{
- struct b43_phy *phy = &dev->phy;
+#if B43_DEBUG
+ B43_WARN_ON(!dev->phy.phy_locked);
+ dev->phy.phy_locked = 0;
+#endif
+ B43_WARN_ON(dev->dev->id.revision < 3);
- B43_WARN_ON(!irqs_disabled());
- if (dev->dev->id.revision < 3) {
- if (phy->locked) {
- spin_unlock(&phy->lock);
- b43_mac_enable(dev);
- }
- } else {
- if (!b43_is_mode(dev->wl, IEEE80211_IF_TYPE_AP))
- b43_power_saving_ctl_bits(dev, 0);
- }
- phy->locked = 0;
+ if (!b43_is_mode(dev->wl, IEEE80211_IF_TYPE_AP))
+ b43_power_saving_ctl_bits(dev, 0);
}
/* Different PHYs require different register routing flags.
b43_write16(dev, B43_MMIO_PHY_DATA, val);
}
+void b43_phy_mask(struct b43_wldev *dev, u16 offset, u16 mask)
+{
+ b43_phy_write(dev, offset,
+ b43_phy_read(dev, offset) & mask);
+}
+
+void b43_phy_set(struct b43_wldev *dev, u16 offset, u16 set)
+{
+ b43_phy_write(dev, offset,
+ b43_phy_read(dev, offset) | set);
+}
+
+void b43_phy_maskset(struct b43_wldev *dev, u16 offset, u16 mask, u16 set)
+{
+ b43_phy_write(dev, offset,
+ (b43_phy_read(dev, offset) & mask) | set);
+}
+
/* Adjust the transmission power output (G-PHY) */
void b43_set_txpower_g(struct b43_wldev *dev,
const struct b43_bbatt *bbatt,
b43_phy_write(dev, B43_PHY_OFDM(0xBB),
(b43_phy_read(dev, B43_PHY_OFDM(0xBB)) & 0xF000) | 0x0053);
b43_phy_write(dev, B43_PHY_OFDM61,
- (b43_phy_read(dev, B43_PHY_OFDM61 & 0xFE1F)) | 0x0120);
+ (b43_phy_read(dev, B43_PHY_OFDM61) & 0xFE1F) | 0x0120);
b43_phy_write(dev, B43_PHY_OFDM(0x13),
(b43_phy_read(dev, B43_PHY_OFDM(0x13)) & 0x0FFF) | 0x3000);
b43_phy_write(dev, B43_PHY_OFDM(0x14),
int rfatt_delta, bbatt_delta;
int rfatt, bbatt;
u8 tx_control;
- unsigned long phylock_flags;
tmp = b43_shm_read16(dev, B43_SHM_SHARED, 0x0058);
v0 = (s8) (tmp & 0x00FF);
phy->bbatt.att = bbatt;
/* Adjust the hardware */
- b43_phy_lock(dev, phylock_flags);
+ b43_phy_lock(dev);
b43_radio_lock(dev);
b43_set_txpower_g(dev, &phy->bbatt, &phy->rfatt,
phy->tx_control);
b43_lo_g_ctl_mark_cur_used(dev);
b43_radio_unlock(dev);
- b43_phy_unlock(dev, phylock_flags);
+ b43_phy_unlock(dev);
break;
}
+ case B43_PHYTYPE_N:
+ b43_nphy_xmitpower(dev);
+ break;
default:
B43_WARN_ON(1);
}
void b43_set_rx_antenna(struct b43_wldev *dev, int antenna)
{
struct b43_phy *phy = &dev->phy;
- u32 hf;
+ u64 hf;
u16 tmp;
int autodiv = 0;
<< B43_PHY_BBANDCFG_RXANT_SHIFT;
b43_phy_write(dev, B43_PHY_CCKBBANDCFG, tmp);
break;
+ case B43_PHYTYPE_N:
+ b43_nphy_set_rxantenna(dev, antenna);
+ break;
default:
B43_WARN_ON(1);
}
u32 macctl;
macctl = b43_read32(dev, B43_MMIO_MACCTL);
+ B43_WARN_ON(macctl & B43_MACCTL_RADIOLOCK);
macctl |= B43_MACCTL_RADIOLOCK;
b43_write32(dev, B43_MMIO_MACCTL, macctl);
/* Commit the write and wait for the device
b43_read16(dev, B43_MMIO_PHY_VER);
/* unlock */
macctl = b43_read32(dev, B43_MMIO_MACCTL);
+ B43_WARN_ON(!(macctl & B43_MACCTL_RADIOLOCK));
macctl &= ~B43_MACCTL_RADIOLOCK;
b43_write32(dev, B43_MMIO_MACCTL, macctl);
}
b43_write16(dev, B43_MMIO_RADIO_DATA_LOW, val);
}
+void b43_radio_mask(struct b43_wldev *dev, u16 offset, u16 mask)
+{
+ b43_radio_write16(dev, offset,
+ b43_radio_read16(dev, offset) & mask);
+}
+
+void b43_radio_set(struct b43_wldev *dev, u16 offset, u16 set)
+{
+ b43_radio_write16(dev, offset,
+ b43_radio_read16(dev, offset) | set);
+}
+
+void b43_radio_maskset(struct b43_wldev *dev, u16 offset, u16 mask, u16 set)
+{
+ b43_radio_write16(dev, offset,
+ (b43_radio_read16(dev, offset) & mask) | set);
+}
+
static void b43_set_all_gains(struct b43_wldev *dev,
s16 first, s16 second, s16 third)
{
u8 ret[13];
unsigned int channel = phy->channel;
unsigned int i, j, start, end;
- unsigned long phylock_flags;
if (!((phy->type == B43_PHYTYPE_G) && (phy->rev > 0)))
return 0;
- b43_phy_lock(dev, phylock_flags);
+ b43_phy_lock(dev);
b43_radio_lock(dev);
b43_phy_write(dev, 0x0802, b43_phy_read(dev, 0x0802) & 0xFFFC);
b43_phy_write(dev, B43_PHY_G_CRS,
ret[j] = 1;
}
b43_radio_unlock(dev);
- b43_phy_unlock(dev, phylock_flags);
+ b43_phy_unlock(dev);
return ret[channel - 1];
}
struct b43_phy *phy = &dev->phy;
u16 r8, tmp;
u16 freq;
- u16 channelcookie;
+ u16 channelcookie, savedcookie;
+ int err = 0;
if (channel == 0xFF) {
switch (phy->type) {
case B43_PHYTYPE_G:
channel = B43_DEFAULT_CHANNEL_BG;
break;
+ case B43_PHYTYPE_N:
+ //FIXME check if we are on 2.4GHz or 5GHz and set a default channel.
+ channel = 1;
+ break;
default:
B43_WARN_ON(1);
}
* firmware from sending ghost packets.
*/
channelcookie = channel;
- if (phy->type == B43_PHYTYPE_A)
+ if (0 /*FIXME on 5Ghz */)
channelcookie |= 0x100;
+ //FIXME set 40Mhz flag if required
+ savedcookie = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_CHAN);
b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_CHAN, channelcookie);
- if (phy->type == B43_PHYTYPE_A) {
- if (channel > 200)
- return -EINVAL;
+ switch (phy->type) {
+ case B43_PHYTYPE_A:
+ if (channel > 200) {
+ err = -EINVAL;
+ goto out;
+ }
freq = channel2freq_a(channel);
r8 = b43_radio_read16(dev, 0x0008);
b43_radio_set_tx_iq(dev);
//TODO: TSSI2dbm workaround
b43_phy_xmitpower(dev); //FIXME correct?
- } else {
- if ((channel < 1) || (channel > 14))
- return -EINVAL;
+ break;
+ case B43_PHYTYPE_G:
+ if ((channel < 1) || (channel > 14)) {
+ err = -EINVAL;
+ goto out;
+ }
if (synthetic_pu_workaround)
b43_synth_pu_workaround(dev, channel);
b43_read16(dev, B43_MMIO_CHANNEL_EXT)
& 0xF7BF);
}
+ break;
+ case B43_PHYTYPE_N:
+ err = b43_nphy_selectchannel(dev, channel);
+ if (err)
+ goto out;
+ break;
+ default:
+ B43_WARN_ON(1);
}
phy->channel = channel;
/* Wait for the radio to tune to the channel and stabilize. */
msleep(8);
-
- return 0;
+out:
+ if (err) {
+ b43_shm_write16(dev, B43_SHM_SHARED,
+ B43_SHM_SH_CHAN, savedcookie);
+ }
+ return err;
}
void b43_radio_turn_on(struct b43_wldev *dev)
err |= b43_radio_selectchannel(dev, channel, 0);
B43_WARN_ON(err);
break;
+ case B43_PHYTYPE_N:
+ b43_nphy_radio_turn_on(dev);
+ break;
default:
B43_WARN_ON(1);
}
if (!phy->radio_on && !force)
return;
- if (phy->type == B43_PHYTYPE_A) {
+ switch (phy->type) {
+ case B43_PHYTYPE_N:
+ b43_nphy_radio_turn_off(dev);
+ break;
+ case B43_PHYTYPE_A:
b43_radio_write16(dev, 0x0004, 0x00FF);
b43_radio_write16(dev, 0x0005, 0x00FB);
b43_phy_write(dev, 0x0010, b43_phy_read(dev, 0x0010) | 0x0008);
b43_phy_write(dev, 0x0011, b43_phy_read(dev, 0x0011) | 0x0008);
- }
- if (phy->type == B43_PHYTYPE_G && dev->dev->id.revision >= 5) {
+ break;
+ case B43_PHYTYPE_G: {
u16 rfover, rfoverval;
rfover = b43_phy_read(dev, B43_PHY_RFOVER);
}
b43_phy_write(dev, B43_PHY_RFOVER, rfover | 0x008C);
b43_phy_write(dev, B43_PHY_RFOVERVAL, rfoverval & 0xFF73);
- } else
- b43_phy_write(dev, 0x0015, 0xAA00);
+ break;
+ }
+ default:
+ B43_WARN_ON(1);
+ }
phy->radio_on = 0;
}