diff options
Diffstat (limited to 'drivers/net/wireless/b43/phy_common.c')
| -rw-r--r-- | drivers/net/wireless/b43/phy_common.c | 96 |
1 files changed, 93 insertions, 3 deletions
diff --git a/drivers/net/wireless/b43/phy_common.c b/drivers/net/wireless/b43/phy_common.c index dbaa51890198..08244b3b327e 100644 --- a/drivers/net/wireless/b43/phy_common.c +++ b/drivers/net/wireless/b43/phy_common.c @@ -96,12 +96,16 @@ int b43_phy_init(struct b43_wldev *dev) phy->channel = ops->get_default_chan(dev); - ops->software_rfkill(dev, false); + phy->ops->switch_analog(dev, true); + b43_software_rfkill(dev, false); + err = ops->init(dev); if (err) { b43err(dev->wl, "PHY init failed\n"); goto err_block_rf; } + phy->do_full_init = false; + /* Make sure to switch hardware and firmware (SHM) to * the default channel. */ err = b43_switch_channel(dev, ops->get_default_chan(dev)); @@ -113,10 +117,11 @@ int b43_phy_init(struct b43_wldev *dev) return 0; err_phy_exit: + phy->do_full_init = true; if (ops->exit) ops->exit(dev); err_block_rf: - ops->software_rfkill(dev, true); + b43_software_rfkill(dev, true); return err; } @@ -125,7 +130,8 @@ void b43_phy_exit(struct b43_wldev *dev) { const struct b43_phy_operations *ops = dev->phy.ops; - ops->software_rfkill(dev, true); + b43_software_rfkill(dev, true); + dev->phy.do_full_init = true; if (ops->exit) ops->exit(dev); } @@ -312,6 +318,90 @@ void b43_phy_maskset(struct b43_wldev *dev, u16 offset, u16 mask, u16 set) } } +void b43_phy_put_into_reset(struct b43_wldev *dev) +{ + u32 tmp; + + switch (dev->dev->bus_type) { +#ifdef CONFIG_B43_BCMA + case B43_BUS_BCMA: + tmp = bcma_aread32(dev->dev->bdev, BCMA_IOCTL); + tmp &= ~B43_BCMA_IOCTL_GMODE; + tmp |= B43_BCMA_IOCTL_PHY_RESET; + tmp |= BCMA_IOCTL_FGC; + bcma_awrite32(dev->dev->bdev, BCMA_IOCTL, tmp); + udelay(1); + + tmp = bcma_aread32(dev->dev->bdev, BCMA_IOCTL); + tmp &= ~BCMA_IOCTL_FGC; + bcma_awrite32(dev->dev->bdev, BCMA_IOCTL, tmp); + udelay(1); + break; +#endif +#ifdef CONFIG_B43_SSB + case B43_BUS_SSB: + tmp = ssb_read32(dev->dev->sdev, SSB_TMSLOW); + tmp &= ~B43_TMSLOW_GMODE; + tmp |= B43_TMSLOW_PHYRESET; + tmp |= SSB_TMSLOW_FGC; + ssb_write32(dev->dev->sdev, SSB_TMSLOW, tmp); + usleep_range(1000, 2000); + + tmp = ssb_read32(dev->dev->sdev, SSB_TMSLOW); + tmp &= ~SSB_TMSLOW_FGC; + ssb_write32(dev->dev->sdev, SSB_TMSLOW, tmp); + usleep_range(1000, 2000); + + break; +#endif + } +} + +void b43_phy_take_out_of_reset(struct b43_wldev *dev) +{ + u32 tmp; + + switch (dev->dev->bus_type) { +#ifdef CONFIG_B43_BCMA + case B43_BUS_BCMA: + /* Unset reset bit (with forcing clock) */ + tmp = bcma_aread32(dev->dev->bdev, BCMA_IOCTL); + tmp &= ~B43_BCMA_IOCTL_PHY_RESET; + tmp &= ~B43_BCMA_IOCTL_PHY_CLKEN; + tmp |= BCMA_IOCTL_FGC; + bcma_awrite32(dev->dev->bdev, BCMA_IOCTL, tmp); + udelay(1); + + /* Do not force clock anymore */ + tmp = bcma_aread32(dev->dev->bdev, BCMA_IOCTL); + tmp &= ~BCMA_IOCTL_FGC; + tmp |= B43_BCMA_IOCTL_PHY_CLKEN; + bcma_awrite32(dev->dev->bdev, BCMA_IOCTL, tmp); + udelay(1); + break; +#endif +#ifdef CONFIG_B43_SSB + case B43_BUS_SSB: + /* Unset reset bit (with forcing clock) */ + tmp = ssb_read32(dev->dev->sdev, SSB_TMSLOW); + tmp &= ~B43_TMSLOW_PHYRESET; + tmp &= ~B43_TMSLOW_PHYCLKEN; + tmp |= SSB_TMSLOW_FGC; + ssb_write32(dev->dev->sdev, SSB_TMSLOW, tmp); + ssb_read32(dev->dev->sdev, SSB_TMSLOW); /* flush */ + usleep_range(1000, 2000); + + tmp = ssb_read32(dev->dev->sdev, SSB_TMSLOW); + tmp &= ~SSB_TMSLOW_FGC; + tmp |= B43_TMSLOW_PHYCLKEN; + ssb_write32(dev->dev->sdev, SSB_TMSLOW, tmp); + ssb_read32(dev->dev->sdev, SSB_TMSLOW); /* flush */ + usleep_range(1000, 2000); + break; +#endif + } +} + int b43_switch_channel(struct b43_wldev *dev, unsigned int new_channel) { struct b43_phy *phy = &(dev->phy); |