diff options
Diffstat (limited to 'drivers/net/wireless/b43/phy_common.c')
| -rw-r--r-- | drivers/net/wireless/b43/phy_common.c | 34 |
1 files changed, 33 insertions, 1 deletions
diff --git a/drivers/net/wireless/b43/phy_common.c b/drivers/net/wireless/b43/phy_common.c index 101957512bc..3ea44bb0368 100644 --- a/drivers/net/wireless/b43/phy_common.c +++ b/drivers/net/wireless/b43/phy_common.c @@ -5,7 +5,7 @@ Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>, Copyright (c) 2005-2007 Stefano Brivio <stefano.brivio@polimi.it> - Copyright (c) 2005-2008 Michael Buesch <mb@bu3sch.de> + Copyright (c) 2005-2008 Michael Buesch <m@bues.ch> Copyright (c) 2005, 2006 Danny van Dyk <kugelfang@gentoo.org> Copyright (c) 2005, 2006 Andreas Jaggi <andreas.jaggi@waterwave.ch> @@ -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) { |