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authorJo-Philipp Wich <jow@openwrt.org>2011-11-10 23:07:42 +0000
committerJo-Philipp Wich <jow@openwrt.org>2011-11-10 23:07:42 +0000
commit1cdd762f908a29c1f577ccdb5c1620a62e452a30 (patch)
tree8856f73a86847a7d6250827627be9111f5c19b3e /package/mac80211
parent4ad1f2d710268e2c86b4253ee70368fe671fc9b9 (diff)
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mac80211: add antenna control api for b43
SVN-Revision: 28940
Diffstat (limited to 'package/mac80211')
-rw-r--r--package/mac80211/patches/820-b43-add-antenna-control.patch131
1 files changed, 131 insertions, 0 deletions
diff --git a/package/mac80211/patches/820-b43-add-antenna-control.patch b/package/mac80211/patches/820-b43-add-antenna-control.patch
new file mode 100644
index 0000000..fd80824
--- /dev/null
+++ b/package/mac80211/patches/820-b43-add-antenna-control.patch
@@ -0,0 +1,131 @@
+--- a/drivers/net/wireless/b43/main.c
++++ b/drivers/net/wireless/b43/main.c
+@@ -1535,7 +1535,7 @@ 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. */
+@@ -3052,8 +3052,8 @@ 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);
+@@ -3782,7 +3782,6 @@ static int b43_op_config(struct ieee8021
+ struct b43_wldev *dev;
+ struct b43_phy *phy;
+ struct ieee80211_conf *conf = &hw->conf;
+- int antenna;
+ int err = 0;
+ bool reload_bss = false;
+
+@@ -3836,11 +3835,9 @@ 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) {
+@@ -4910,6 +4907,47 @@ 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,
+@@ -4931,6 +4969,8 @@ 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.
+@@ -5177,6 +5217,8 @@ 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;
+@@ -5264,6 +5306,9 @@ static struct b43_wl *b43_wireless_init(
+ BIT(NL80211_IFTYPE_WDS) |
+ BIT(NL80211_IFTYPE_ADHOC);
+
++ hw->wiphy->available_antennas_rx = 0x3;
++ hw->wiphy->available_antennas_tx = 0x3;
++
+ hw->queues = modparam_qos ? 4 : 1;
+ wl->mac80211_initially_registered_queues = hw->queues;
+ hw->max_rates = 2;
+--- a/drivers/net/wireless/b43/b43.h
++++ b/drivers/net/wireless/b43/b43.h
+@@ -792,6 +792,8 @@ 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;