diff options
| author | Ehud Gavron <gavron@wetwork.net> | 2008-09-06 21:30:00 -0700 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2008-09-11 15:53:33 -0400 |
| commit | 940b7a3a6c257391bda0950448591dd79efebf59 (patch) | |
| tree | d6db2e6d7feee3976227e3e7c97046ed0739762d /drivers/net/wireless | |
| parent | c6a2afdacccd56cc0be8e9a7977f0ed1509069f6 (diff) | |
b43legacy: Fix to enhance TX speed
Recent changes in the specifications have improved the performance
of the BCM4306/2 devices that use b43legacy as the driver. These
"errors" in the specs have been present from the very first implementation
of bcm43xx.
Signed-off-by: Ehud Gavron <gavron@wetwork.net>
Tested-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/b43legacy/phy.c | 32 |
1 files changed, 19 insertions, 13 deletions
diff --git a/drivers/net/wireless/b43legacy/phy.c b/drivers/net/wireless/b43legacy/phy.c index 768cccb9b1b..bed67a54250 100644 --- a/drivers/net/wireless/b43legacy/phy.c +++ b/drivers/net/wireless/b43legacy/phy.c @@ -595,12 +595,14 @@ static void b43legacy_phy_initb5(struct b43legacy_wldev *dev) 0x0035) & 0xFFC0) | 0x0064); b43legacy_phy_write(dev, 0x005D, (b43legacy_phy_read(dev, 0x005D) & 0xFF80) | 0x000A); + b43legacy_phy_write(dev, 0x5B, 0x0000); + b43legacy_phy_write(dev, 0x5C, 0x0000); } if (dev->bad_frames_preempt) b43legacy_phy_write(dev, B43legacy_PHY_RADIO_BITFIELD, b43legacy_phy_read(dev, - B43legacy_PHY_RADIO_BITFIELD) | (1 << 11)); + B43legacy_PHY_RADIO_BITFIELD) | (1 << 12)); if (phy->analog == 1) { b43legacy_phy_write(dev, 0x0026, 0xCE00); @@ -753,7 +755,7 @@ static void b43legacy_phy_initb6(struct b43legacy_wldev *dev) b43legacy_radio_write16(dev, 0x0050, 0x0020); } if (phy->radio_rev <= 2) { - b43legacy_radio_write16(dev, 0x007C, 0x0020); + b43legacy_radio_write16(dev, 0x0050, 0x0020); b43legacy_radio_write16(dev, 0x005A, 0x0070); b43legacy_radio_write16(dev, 0x005B, 0x007B); b43legacy_radio_write16(dev, 0x005C, 0x00B0); @@ -771,7 +773,7 @@ static void b43legacy_phy_initb6(struct b43legacy_wldev *dev) b43legacy_phy_write(dev, 0x002A, 0x8AC0); b43legacy_phy_write(dev, 0x0038, 0x0668); b43legacy_radio_set_txpower_bg(dev, 0xFFFF, 0xFFFF, 0xFFFF); - if (phy->radio_rev <= 5) + if (phy->radio_rev == 4 || phy->radio_rev == 5) b43legacy_phy_write(dev, 0x005D, (b43legacy_phy_read(dev, 0x005D) & 0xFF80) | 0x0003); if (phy->radio_rev <= 2) @@ -1010,7 +1012,7 @@ static void b43legacy_phy_initg(struct b43legacy_wldev *dev) b43legacy_phy_initb5(dev); else b43legacy_phy_initb6(dev); - if (phy->rev >= 2 || phy->gmode) + if (phy->rev >= 2 && phy->gmode) b43legacy_phy_inita(dev); if (phy->rev >= 2) { @@ -1025,18 +1027,22 @@ static void b43legacy_phy_initg(struct b43legacy_wldev *dev) b43legacy_phy_write(dev, 0x0811, 0x0400); b43legacy_phy_write(dev, 0x0015, 0x00C0); } - if (phy->rev >= 2 || phy->gmode) { + if (phy->gmode) { tmp = b43legacy_phy_read(dev, 0x0400) & 0xFF; - if (tmp == 3 || tmp == 5) { + if (tmp == 3) { + b43legacy_phy_write(dev, 0x04C2, 0x1816); + b43legacy_phy_write(dev, 0x04C3, 0x8606); + } + if (tmp == 4 || tmp == 5) { b43legacy_phy_write(dev, 0x04C2, 0x1816); b43legacy_phy_write(dev, 0x04C3, 0x8006); - if (tmp == 5) - b43legacy_phy_write(dev, 0x04CC, - (b43legacy_phy_read(dev, - 0x04CC) & 0x00FF) | - 0x1F00); + b43legacy_phy_write(dev, 0x04CC, + (b43legacy_phy_read(dev, + 0x04CC) & 0x00FF) | + 0x1F00); } - b43legacy_phy_write(dev, 0x047E, 0x0078); + if (phy->rev >= 2) + b43legacy_phy_write(dev, 0x047E, 0x0078); } if (phy->radio_rev == 8) { b43legacy_phy_write(dev, 0x0801, b43legacy_phy_read(dev, 0x0801) @@ -1078,7 +1084,7 @@ static void b43legacy_phy_initg(struct b43legacy_wldev *dev) else b43legacy_phy_write(dev, 0x002F, 0x0202); } - if (phy->gmode || phy->rev >= 2) { + if (phy->gmode) { b43legacy_phy_lo_adjust(dev, 0); b43legacy_phy_write(dev, 0x080F, 0x8078); } |