Signed-off-by: Rafał Miłecki <zajec5@xxxxxxxxx>
---
V2: fix typo
---
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 862223f..6fd140a 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 e7acae2..8b6d570 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;
--
1.6.4.2
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