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path: root/drivers/net/wireless/b43/phy_common.c
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Diffstat (limited to 'drivers/net/wireless/b43/phy_common.c')
-rw-r--r--drivers/net/wireless/b43/phy_common.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/net/wireless/b43/phy_common.c b/drivers/net/wireless/b43/phy_common.c
index 07f009ff5ee2..3ea44bb03684 100644
--- a/drivers/net/wireless/b43/phy_common.c
+++ b/drivers/net/wireless/b43/phy_common.c
@@ -448,6 +448,38 @@ bool b43_channel_type_is_40mhz(enum nl80211_channel_type channel_type)
channel_type == NL80211_CHAN_HT40PLUS);
}
+/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/BmacPhyClkFgc */
+void b43_phy_force_clock(struct b43_wldev *dev, bool force)
+{
+ u32 tmp;
+
+ WARN_ON(dev->phy.type != B43_PHYTYPE_N &&
+ dev->phy.type != B43_PHYTYPE_HT);
+
+ switch (dev->dev->bus_type) {
+#ifdef CONFIG_B43_BCMA
+ case B43_BUS_BCMA:
+ tmp = bcma_aread32(dev->dev->bdev, BCMA_IOCTL);
+ if (force)
+ tmp |= BCMA_IOCTL_FGC;
+ else
+ tmp &= ~BCMA_IOCTL_FGC;
+ bcma_awrite32(dev->dev->bdev, BCMA_IOCTL, tmp);
+ break;
+#endif
+#ifdef CONFIG_B43_SSB
+ case B43_BUS_SSB:
+ tmp = ssb_read32(dev->dev->sdev, SSB_TMSLOW);
+ if (force)
+ tmp |= SSB_TMSLOW_FGC;
+ else
+ tmp &= ~SSB_TMSLOW_FGC;
+ ssb_write32(dev->dev->sdev, SSB_TMSLOW, tmp);
+ break;
+#endif
+ }
+}
+
/* http://bcm-v4.sipsolutions.net/802.11/PHY/Cordic */
struct b43_c32 b43_cordic(int theta)
{