diff options
Diffstat (limited to 'package/kernel/mac80211/patches/brcm/812-b43-add-antenna-control.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/brcm/812-b43-add-antenna-control.patch | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/brcm/812-b43-add-antenna-control.patch b/package/kernel/mac80211/patches/brcm/812-b43-add-antenna-control.patch new file mode 100644 index 0000000000..932c83b48e --- /dev/null +++ b/package/kernel/mac80211/patches/brcm/812-b43-add-antenna-control.patch @@ -0,0 +1,131 @@ +--- a/drivers/net/wireless/broadcom/b43/main.c ++++ b/drivers/net/wireless/broadcom/b43/main.c +@@ -1658,7 +1658,7 @@ static void b43_write_beacon_template(st + len, ram_offset, shm_size_offset, rate); + + /* Write the PHY TX control parameters. */ +- antenna = B43_ANTENNA_DEFAULT; ++ antenna = dev->tx_antenna; + antenna = b43_antenna_to_phyctl(antenna); + ctl = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_BEACPHYCTL); + /* We can't send beacons with short preamble. Would get PHY errors. */ +@@ -3307,8 +3307,8 @@ static int b43_chip_init(struct b43_wlde + + /* Select the antennae */ + if (phy->ops->set_rx_antenna) +- phy->ops->set_rx_antenna(dev, B43_ANTENNA_DEFAULT); +- b43_mgmtframe_txantenna(dev, B43_ANTENNA_DEFAULT); ++ phy->ops->set_rx_antenna(dev, dev->rx_antenna); ++ b43_mgmtframe_txantenna(dev, dev->tx_antenna); + + if (phy->type == B43_PHYTYPE_B) { + value16 = b43_read16(dev, 0x005E); +@@ -4008,7 +4008,6 @@ static int b43_op_config(struct ieee8021 + struct b43_wldev *dev = wl->current_dev; + struct b43_phy *phy = &dev->phy; + struct ieee80211_conf *conf = &hw->conf; +- int antenna; + int err = 0; + + mutex_lock(&wl->mutex); +@@ -4051,11 +4050,9 @@ static int b43_op_config(struct ieee8021 + } + + /* Antennas for RX and management frame TX. */ +- antenna = B43_ANTENNA_DEFAULT; +- b43_mgmtframe_txantenna(dev, antenna); +- antenna = B43_ANTENNA_DEFAULT; ++ b43_mgmtframe_txantenna(dev, dev->tx_antenna); + if (phy->ops->set_rx_antenna) +- phy->ops->set_rx_antenna(dev, antenna); ++ phy->ops->set_rx_antenna(dev, dev->rx_antenna); + + if (wl->radio_enabled != phy->radio_on) { + if (wl->radio_enabled) { +@@ -5199,6 +5196,47 @@ static int b43_op_get_survey(struct ieee + return 0; + } + ++static int b43_op_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) ++{ ++ struct b43_wl *wl = hw_to_b43_wl(hw); ++ struct b43_wldev *dev = wl->current_dev; ++ ++ if (tx_ant == 1 && rx_ant == 1) { ++ dev->tx_antenna = B43_ANTENNA0; ++ dev->rx_antenna = B43_ANTENNA0; ++ } ++ else if (tx_ant == 2 && rx_ant == 2) { ++ dev->tx_antenna = B43_ANTENNA1; ++ dev->rx_antenna = B43_ANTENNA1; ++ } ++ else if ((tx_ant & 3) == 3 && (rx_ant & 3) == 3) { ++ dev->tx_antenna = B43_ANTENNA_DEFAULT; ++ dev->rx_antenna = B43_ANTENNA_DEFAULT; ++ } ++ else { ++ return -EINVAL; ++ } ++ ++ return 0; ++} ++ ++ ++static int b43_op_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant) ++{ ++ struct b43_wl *wl = hw_to_b43_wl(hw); ++ struct b43_wldev *dev = wl->current_dev; ++ ++ switch (dev->tx_antenna) { ++ case B43_ANTENNA0: ++ *tx_ant = 1; *rx_ant = 1; break; ++ case B43_ANTENNA1: ++ *tx_ant = 2; *rx_ant = 2; break; ++ case B43_ANTENNA_DEFAULT: ++ *tx_ant = 3; *rx_ant = 3; break; ++ } ++ return 0; ++} ++ + static const struct ieee80211_ops b43_hw_ops = { + .tx = b43_op_tx, + .conf_tx = b43_op_conf_tx, +@@ -5220,6 +5258,8 @@ static const struct ieee80211_ops b43_hw + .sw_scan_complete = b43_op_sw_scan_complete_notifier, + .get_survey = b43_op_get_survey, + .rfkill_poll = b43_rfkill_poll, ++ .set_antenna = b43_op_set_antenna, ++ .get_antenna = b43_op_get_antenna, + }; + + /* Hard-reset the chip. Do not call this directly. +@@ -5523,6 +5563,8 @@ static int b43_one_core_attach(struct b4 + if (!wldev) + goto out; + ++ wldev->rx_antenna = B43_ANTENNA_DEFAULT; ++ wldev->tx_antenna = B43_ANTENNA_DEFAULT; + wldev->use_pio = b43_modparam_pio; + wldev->dev = dev; + wldev->wl = wl; +@@ -5617,6 +5659,9 @@ static struct b43_wl *b43_wireless_init( + + wiphy_ext_feature_set(hw->wiphy, NL80211_EXT_FEATURE_CQM_RSSI_LIST); + ++ hw->wiphy->available_antennas_rx = 0x3; ++ hw->wiphy->available_antennas_tx = 0x3; ++ + wl->hw_registred = false; + hw->max_rates = 2; + SET_IEEE80211_DEV(hw, dev->dev); +--- a/drivers/net/wireless/broadcom/b43/b43.h ++++ b/drivers/net/wireless/broadcom/b43/b43.h +@@ -840,6 +840,8 @@ struct b43_wldev { + bool hwcrypto_enabled; /* TRUE, if HW crypto acceleration is enabled. */ + bool use_pio; /* TRUE if next init should use PIO */ + int gpiomask; /* GPIO LED mask as a module parameter */ ++ int rx_antenna; /* Used RX antenna (B43_ANTENNAxxx) */ ++ int tx_antenna; /* Used TX antenna (B43_ANTENNAxxx) */ + + /* PHY/Radio device. */ + struct b43_phy phy; |