From eff66c519e8087e18526a6e0c5ee3dd1de1bc792 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Rafa=C5=82=20Mi=C5=82ecki?= Date: Sat, 27 Feb 2010 13:03:41 +0100 Subject: [PATCH] b43: N-PHY: switch to chanspec ops MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Signed-off-by: Rafał Miłecki Signed-off-by: John W. Linville --- drivers/net/wireless/b43/phy_n.c | 87 +++++++++++++++++++++++--------- drivers/net/wireless/b43/phy_n.h | 1 + 2 files changed, 63 insertions(+), 25 deletions(-) diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c index 862223fdde4d..6fd140ac7f9e 100644 --- a/drivers/net/wireless/b43/phy_n.c +++ b/drivers/net/wireless/b43/phy_n.c @@ -72,6 +72,7 @@ static void b43_nphy_rf_control_override(struct b43_wldev *dev, u16 field, u16 value, u8 core, bool off); static void b43_nphy_rf_control_intc_override(struct b43_wldev *dev, u8 field, u16 value, u8 core); +static int nphy_channel_switch(struct b43_wldev *dev, unsigned int channel); static inline bool b43_empty_chanspec(struct b43_chanspec *chanspec) { @@ -171,31 +172,6 @@ static void b43_radio_2055_setup(struct b43_wldev *dev, udelay(300); } -/* Tune the hardware to a new channel. */ -static int nphy_channel_switch(struct b43_wldev *dev, unsigned int channel) -{ - const struct b43_nphy_channeltab_entry *tabent; - - tabent = b43_nphy_get_chantabent(dev, channel); - if (!tabent) - return -ESRCH; - - //FIXME enable/disable band select upper20 in RXCTL - if (0 /*FIXME 5Ghz*/) - b43_radio_maskset(dev, B2055_MASTER1, 0xFF8F, 0x20); - else - b43_radio_maskset(dev, B2055_MASTER1, 0xFF8F, 0x50); - b43_radio_2055_setup(dev, tabent); - if (0 /*FIXME 5Ghz*/) - b43_phy_set(dev, B43_NPHY_BANDCTL, B43_NPHY_BANDCTL_5GHZ); - else - b43_phy_mask(dev, B43_NPHY_BANDCTL, ~B43_NPHY_BANDCTL_5GHZ); - b43_chantab_phy_upload(dev, tabent); - b43_nphy_tx_power_fix(dev); - - return 0; -} - static void b43_radio_init2055_pre(struct b43_wldev *dev) { b43_phy_mask(dev, B43_NPHY_RFCTL_CMD, @@ -3344,6 +3320,67 @@ static void b43_nphy_chanspec_setup(struct b43_wldev *dev, b43_nphy_spur_workaround(dev); } +/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetChanspec */ +static int b43_nphy_set_chanspec(struct b43_wldev *dev, + struct b43_chanspec chanspec) +{ + struct b43_phy_n *nphy = dev->phy.n; + + const struct b43_nphy_channeltab_entry *tabent; + + u8 tmp; + u8 channel = chanspec.channel; + + if (dev->phy.rev >= 3) { + /* TODO */ + } + + nphy->radio_chanspec = chanspec; + + if (chanspec.b_width != nphy->b_width) + ; /* TODO: BMAC BW Set (chanspec.b_width) */ + + /* TODO: use defines */ + if (chanspec.b_width == 3) { + if (chanspec.sideband == 2) + b43_phy_set(dev, B43_NPHY_RXCTL, + B43_NPHY_RXCTL_BSELU20); + else + b43_phy_mask(dev, B43_NPHY_RXCTL, + ~B43_NPHY_RXCTL_BSELU20); + } + + if (dev->phy.rev >= 3) { + tmp = (chanspec.b_freq == 1) ? 4 : 0; + b43_radio_maskset(dev, 0x08, 0xFFFB, tmp); + /* TODO: PHY Radio2056 Setup (chan_info_ptr[i]) */ + /* TODO: N PHY Chanspec Setup (chan_info_ptr[i]) */ + } else { + tabent = b43_nphy_get_chantabent(dev, channel); + if (!tabent) + return -ESRCH; + + tmp = (chanspec.b_freq == 1) ? 0x0020 : 0x0050; + b43_radio_maskset(dev, B2055_MASTER1, 0xFF8F, tmp); + b43_radio_2055_setup(dev, tabent); + b43_nphy_chanspec_setup(dev, tabent, chanspec); + } + + return 0; +} + +/* Tune the hardware to a new channel */ +static int nphy_channel_switch(struct b43_wldev *dev, unsigned int channel) +{ + struct b43_phy_n *nphy = dev->phy.n; + + struct b43_chanspec chanspec; + chanspec = nphy->radio_chanspec; + chanspec.channel = channel; + + return b43_nphy_set_chanspec(dev, chanspec); +} + static int b43_nphy_op_allocate(struct b43_wldev *dev) { struct b43_phy_n *nphy; diff --git a/drivers/net/wireless/b43/phy_n.h b/drivers/net/wireless/b43/phy_n.h index e7acae278be0..8b6d570dd0aa 100644 --- a/drivers/net/wireless/b43/phy_n.h +++ b/drivers/net/wireless/b43/phy_n.h @@ -984,6 +984,7 @@ struct b43_phy_n { u16 papd_epsilon_offset[2]; s32 preamble_override; u32 bb_mult_save; + u8 b_width; struct b43_chanspec radio_chanspec; bool gain_boost; -- 2.20.1