--- zzzz-none-000/linux-3.10.107/drivers/net/wireless/b43/phy_common.c 2017-06-27 09:49:32.000000000 +0000 +++ scorpion-7490-727/linux-3.10.107/drivers/net/wireless/b43/phy_common.c 2021-02-04 17:41:59.000000000 +0000 @@ -33,6 +33,7 @@ #include "phy_lp.h" #include "phy_ht.h" #include "phy_lcn.h" +#include "phy_ac.h" #include "b43.h" #include "main.h" @@ -45,11 +46,10 @@ phy->ops = NULL; switch (phy->type) { - case B43_PHYTYPE_A: - phy->ops = &b43_phyops_a; - break; case B43_PHYTYPE_G: +#ifdef CONFIG_B43_PHY_G phy->ops = &b43_phyops_g; +#endif break; case B43_PHYTYPE_N: #ifdef CONFIG_B43_PHY_N @@ -71,6 +71,11 @@ phy->ops = &b43_phyops_lcn; #endif break; + case B43_PHYTYPE_AC: +#ifdef CONFIG_B43_PHY_AC + phy->ops = &b43_phyops_ac; +#endif + break; } if (B43_WARN_ON(!phy->ops)) return -ENODEV; @@ -94,17 +99,25 @@ const struct b43_phy_operations *ops = phy->ops; int err; - phy->channel = ops->get_default_chan(dev); + /* During PHY init we need to use some channel. On the first init this + * function is called *before* b43_op_config, so our pointer is NULL. + */ + if (!phy->chandef) { + phy->chandef = &dev->wl->hw->conf.chandef; + phy->channel = phy->chandef->chan->hw_value; + } + + phy->ops->switch_analog(dev, true); + b43_software_rfkill(dev, false); - ops->software_rfkill(dev, false); err = ops->init(dev); if (err) { b43err(dev->wl, "PHY init failed\n"); goto err_block_rf; } - /* Make sure to switch hardware and firmware (SHM) to - * the default channel. */ - err = b43_switch_channel(dev, ops->get_default_chan(dev)); + phy->do_full_init = false; + + err = b43_switch_channel(dev, phy->channel); if (err) { b43err(dev->wl, "PHY init: Channel switch to default failed\n"); goto err_phy_exit; @@ -113,10 +126,11 @@ 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 +139,8 @@ { 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); } @@ -133,9 +148,9 @@ bool b43_has_hardware_pctl(struct b43_wldev *dev) { if (!dev->phy.hardware_power_control) - return 0; + return false; if (!dev->phy.ops->supports_hwpctl) - return 0; + return false; return dev->phy.ops->supports_hwpctl(dev); } @@ -213,12 +228,18 @@ u16 b43_radio_read(struct b43_wldev *dev, u16 reg) { assert_mac_suspended(dev); + dev->phy.writes_counter = 0; return dev->phy.ops->radio_read(dev, reg); } void b43_radio_write(struct b43_wldev *dev, u16 reg, u16 value) { assert_mac_suspended(dev); + if (b43_bus_host_is_pci(dev->dev) && + ++dev->phy.writes_counter > B43_MAX_WRITES_IN_ROW) { + b43_read32(dev, B43_MMIO_MACCTL); + dev->phy.writes_counter = 1; + } dev->phy.ops->radio_write(dev, reg, value); } @@ -259,24 +280,33 @@ { assert_mac_suspended(dev); dev->phy.writes_counter = 0; - return dev->phy.ops->phy_read(dev, reg); + + if (dev->phy.ops->phy_read) + return dev->phy.ops->phy_read(dev, reg); + + b43_write16f(dev, B43_MMIO_PHY_CONTROL, reg); + return b43_read16(dev, B43_MMIO_PHY_DATA); } void b43_phy_write(struct b43_wldev *dev, u16 reg, u16 value) { assert_mac_suspended(dev); - dev->phy.ops->phy_write(dev, reg, value); - if (++dev->phy.writes_counter == B43_MAX_WRITES_IN_ROW) { + if (b43_bus_host_is_pci(dev->dev) && + ++dev->phy.writes_counter > B43_MAX_WRITES_IN_ROW) { b43_read16(dev, B43_MMIO_PHY_VER); - dev->phy.writes_counter = 0; + dev->phy.writes_counter = 1; } + + if (dev->phy.ops->phy_write) + return dev->phy.ops->phy_write(dev, reg, value); + + b43_write16f(dev, B43_MMIO_PHY_CONTROL, reg); + b43_write16(dev, B43_MMIO_PHY_DATA, value); } void b43_phy_copy(struct b43_wldev *dev, u16 destreg, u16 srcreg) { - assert_mac_suspended(dev); - dev->phy.ops->phy_write(dev, destreg, - dev->phy.ops->phy_read(dev, srcreg)); + b43_phy_write(dev, destreg, b43_phy_read(dev, srcreg)); } void b43_phy_mask(struct b43_wldev *dev, u16 offset, u16 mask) @@ -312,15 +342,96 @@ } } +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); u16 channelcookie, savedcookie; int err; - if (new_channel == B43_DEFAULT_CHANNEL) - new_channel = phy->ops->get_default_chan(dev); - /* First we set the channel radio code to prevent the * firmware from sending ghost packets. */ @@ -338,7 +449,6 @@ if (err) goto err_restore_cookie; - dev->phy.channel = new_channel; /* Wait for the radio to tune to the channel and stabilize. */ msleep(8); @@ -457,10 +567,9 @@ } -bool b43_channel_type_is_40mhz(enum nl80211_channel_type channel_type) +bool b43_is_40mhz(struct b43_wldev *dev) { - return (channel_type == NL80211_CHAN_HT40MINUS || - channel_type == NL80211_CHAN_HT40PLUS); + return dev->phy.chandef->width == NL80211_CHAN_WIDTH_40; } /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/BmacPhyClkFgc */ @@ -469,7 +578,8 @@ u32 tmp; WARN_ON(dev->phy.type != B43_PHYTYPE_N && - dev->phy.type != B43_PHYTYPE_HT); + dev->phy.type != B43_PHYTYPE_HT && + dev->phy.type != B43_PHYTYPE_AC); switch (dev->dev->bus_type) { #ifdef CONFIG_B43_BCMA