diff options
| author | Rafał Miłecki <zajec5@gmail.com> | 2014-09-12 20:37:26 +0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2014-09-15 23:00:53 +0400 |
| commit | 737f657f71b6e4bcb07478eb0a32eb92c80eaf4b (patch) | |
| tree | 5ce5410969949dd0ad0029ed3e8fb32696a28679 /drivers/net/wireless | |
| parent | 50398ee03414228ba834a52aa4f203871a506b72 (diff) | |
| download | linux-737f657f71b6e4bcb07478eb0a32eb92c80eaf4b.tar.xz | |
b43: Implement PHY PLL reset
We should reset PLL after changing MAC frequency.
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/b43/main.c | 30 | ||||
| -rw-r--r-- | drivers/net/wireless/b43/main.h | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/b43/phy_ht.c | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/b43/phy_n.c | 2 |
4 files changed, 34 insertions, 2 deletions
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c index 165dbc35eba2..3adc13f6ffef 100644 --- a/drivers/net/wireless/b43/main.c +++ b/drivers/net/wireless/b43/main.c @@ -1204,6 +1204,36 @@ void b43_power_saving_ctl_bits(struct b43_wldev *dev, unsigned int ps_flags) } } +/* http://bcm-v4.sipsolutions.net/802.11/PHY/BmacCorePllReset */ +void b43_wireless_core_phy_pll_reset(struct b43_wldev *dev) +{ + struct bcma_drv_cc *bcma_cc __maybe_unused; + struct ssb_chipcommon *ssb_cc __maybe_unused; + + switch (dev->dev->bus_type) { +#ifdef CONFIG_B43_BCMA + case B43_BUS_BCMA: + bcma_cc = &dev->dev->bdev->bus->drv_cc; + + bcma_cc_write32(bcma_cc, BCMA_CC_CHIPCTL_ADDR, 0); + bcma_cc_mask32(bcma_cc, BCMA_CC_CHIPCTL_DATA, ~0x4); + bcma_cc_set32(bcma_cc, BCMA_CC_CHIPCTL_DATA, 0x4); + bcma_cc_mask32(bcma_cc, BCMA_CC_CHIPCTL_DATA, ~0x4); + break; +#endif +#ifdef CONFIG_B43_SSB + case B43_BUS_SSB: + ssb_cc = &dev->dev->sdev->bus->chipco; + + chipco_write32(ssb_cc, SSB_CHIPCO_CHIPCTL_ADDR, 0); + chipco_mask32(ssb_cc, SSB_CHIPCO_CHIPCTL_DATA, ~0x4); + chipco_set32(ssb_cc, SSB_CHIPCO_CHIPCTL_DATA, 0x4); + chipco_mask32(ssb_cc, SSB_CHIPCO_CHIPCTL_DATA, ~0x4); + break; +#endif + } +} + #ifdef CONFIG_B43_BCMA static void b43_bcma_phy_reset(struct b43_wldev *dev) { diff --git a/drivers/net/wireless/b43/main.h b/drivers/net/wireless/b43/main.h index 9f22e4b4c132..c46430cc725c 100644 --- a/drivers/net/wireless/b43/main.h +++ b/drivers/net/wireless/b43/main.h @@ -96,6 +96,8 @@ void b43_controller_restart(struct b43_wldev *dev, const char *reason); #define B43_PS_ASLEEP (1 << 3) /* Force device asleep */ void b43_power_saving_ctl_bits(struct b43_wldev *dev, unsigned int ps_flags); +void b43_wireless_core_phy_pll_reset(struct b43_wldev *dev); + void b43_mac_suspend(struct b43_wldev *dev); void b43_mac_enable(struct b43_wldev *dev); void b43_mac_phy_clock_set(struct b43_wldev *dev, bool on); diff --git a/drivers/net/wireless/b43/phy_ht.c b/drivers/net/wireless/b43/phy_ht.c index 6a0140a7ea23..bd68945965d6 100644 --- a/drivers/net/wireless/b43/phy_ht.c +++ b/drivers/net/wireless/b43/phy_ht.c @@ -762,7 +762,7 @@ static void b43_phy_ht_spur_avoid(struct b43_wldev *dev, b43_mac_switch_freq(dev, spuravoid); - /* TODO: reset PLL */ + b43_wireless_core_phy_pll_reset(dev); if (spuravoid) b43_phy_set(dev, B43_PHY_HT_BBCFG, B43_PHY_HT_BBCFG_RSTRX); diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c index cf625d8732a7..9f0bcf3b8414 100644 --- a/drivers/net/wireless/b43/phy_n.c +++ b/drivers/net/wireless/b43/phy_n.c @@ -6369,7 +6369,7 @@ static void b43_nphy_channel_setup(struct b43_wldev *dev, b43_mac_switch_freq(dev, spuravoid); if (dev->phy.rev == 3 || dev->phy.rev == 4) - ; /* TODO: reset PLL */ + b43_wireless_core_phy_pll_reset(dev); if (spuravoid) b43_phy_set(dev, B43_NPHY_BBCFG, B43_NPHY_BBCFG_RSTRX); |