package/kernel/mac80211/patches/820-b43-add-antenna-control.patch

   1 --- a/drivers/net/wireless/b43/main.c
   2 +++ b/drivers/net/wireless/b43/main.c
   3 @@ -1560,7 +1560,7 @@ static void b43_write_beacon_template(st
   4                                   len, ram_offset, shm_size_offset, rate);
   5
   6         /* Write the PHY TX control parameters. */
   7 -       antenna = B43_ANTENNA_DEFAULT;
   8 +       antenna = dev->tx_antenna;
   9         antenna = b43_antenna_to_phyctl(antenna);
  10         ctl = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_BEACPHYCTL);
  11         /* We can't send beacons with short preamble. Would get PHY errors. */
  12 @@ -3098,8 +3098,8 @@ static int b43_chip_init(struct b43_wlde
  13
  14         /* Select the antennae */
  15         if (phy->ops->set_rx_antenna)
  16 -               phy->ops->set_rx_antenna(dev, B43_ANTENNA_DEFAULT);
  17 -       b43_mgmtframe_txantenna(dev, B43_ANTENNA_DEFAULT);
  18 +               phy->ops->set_rx_antenna(dev, dev->rx_antenna);
  19 +       b43_mgmtframe_txantenna(dev, dev->tx_antenna);
  20
  21         if (phy->type == B43_PHYTYPE_B) {
  22                 value16 = b43_read16(dev, 0x005E);
  23 @@ -3843,7 +3843,6 @@ static int b43_op_config(struct ieee8021
  24         struct b43_wldev *dev;
  25         struct b43_phy *phy;
  26         struct ieee80211_conf *conf = &hw->conf;
  27 -       int antenna;
  28         int err = 0;
  29         bool reload_bss = false;
  30
  31 @@ -3897,11 +3896,9 @@ static int b43_op_config(struct ieee8021
  32         }
  33
  34         /* Antennas for RX and management frame TX. */
  35 -       antenna = B43_ANTENNA_DEFAULT;
  36 -       b43_mgmtframe_txantenna(dev, antenna);
  37 -       antenna = B43_ANTENNA_DEFAULT;
  38 +       b43_mgmtframe_txantenna(dev, dev->tx_antenna);
  39         if (phy->ops->set_rx_antenna)
  40 -               phy->ops->set_rx_antenna(dev, antenna);
  41 +               phy->ops->set_rx_antenna(dev, dev->rx_antenna);
  42
  43         if (wl->radio_enabled != phy->radio_on) {
  44                 if (wl->radio_enabled) {
  45 @@ -5026,6 +5023,47 @@ static int b43_op_get_survey(struct ieee
  46         return 0;
  47  }
  48
  49 +static int b43_op_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
  50 +{
  51 +       struct b43_wl *wl = hw_to_b43_wl(hw);
  52 +       struct b43_wldev *dev = wl->current_dev;
  53 +
  54 +       if (tx_ant == 1 && rx_ant == 1) {
  55 +               dev->tx_antenna = B43_ANTENNA0;
  56 +               dev->rx_antenna = B43_ANTENNA0;
  57 +       }
  58 +       else if (tx_ant == 2 && rx_ant == 2) {
  59 +               dev->tx_antenna = B43_ANTENNA1;
  60 +               dev->rx_antenna = B43_ANTENNA1;
  61 +       }
  62 +       else if ((tx_ant & 3) == 3 && (rx_ant & 3) == 3) {
  63 +               dev->tx_antenna = B43_ANTENNA_DEFAULT;
  64 +               dev->rx_antenna = B43_ANTENNA_DEFAULT;
  65 +       }
  66 +       else {
  67 +               return -EINVAL;
  68 +       }
  69 +
  70 +       return 0;
  71 +}
  72 +
  73 +
  74 +static int b43_op_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant)
  75 +{
  76 +       struct b43_wl *wl = hw_to_b43_wl(hw);
  77 +       struct b43_wldev *dev = wl->current_dev;
  78 +
  79 +       switch (dev->tx_antenna) {
  80 +       case B43_ANTENNA0:
  81 +               *tx_ant = 1; *rx_ant = 1; break;
  82 +       case B43_ANTENNA1:
  83 +               *tx_ant = 2; *rx_ant = 2; break;
  84 +       case B43_ANTENNA_DEFAULT:
  85 +               *tx_ant = 3; *rx_ant = 3; break;
  86 +       }
  87 +       return 0;
  88 +}
  89 +
  90  static const struct ieee80211_ops b43_hw_ops = {
  91         .tx                     = b43_op_tx,
  92         .conf_tx                = b43_op_conf_tx,
  93 @@ -5047,6 +5085,8 @@ static const struct ieee80211_ops b43_hw
  94         .sw_scan_complete       = b43_op_sw_scan_complete_notifier,
  95         .get_survey             = b43_op_get_survey,
  96         .rfkill_poll            = b43_rfkill_poll,
  97 +       .set_antenna            = b43_op_set_antenna,
  98 +       .get_antenna            = b43_op_get_antenna,
  99  };
 100
 101  /* Hard-reset the chip. Do not call this directly.
 102 @@ -5293,6 +5333,8 @@ static int b43_one_core_attach(struct b4
 103         if (!wldev)
 104                 goto out;
 105
 106 +       wldev->rx_antenna = B43_ANTENNA_DEFAULT;
 107 +       wldev->tx_antenna = B43_ANTENNA_DEFAULT;
 108         wldev->use_pio = b43_modparam_pio;
 109         wldev->dev = dev;
 110         wldev->wl = wl;
 111 @@ -5383,6 +5425,9 @@ static struct b43_wl *b43_wireless_init(
 112
 113         hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
 114
 115 +       hw->wiphy->available_antennas_rx = 0x3;
 116 +       hw->wiphy->available_antennas_tx = 0x3;
 117 +
 118         wl->hw_registred = false;
 119         hw->max_rates = 2;
 120         SET_IEEE80211_DEV(hw, dev->dev);
 121 --- a/drivers/net/wireless/b43/b43.h
 122 +++ b/drivers/net/wireless/b43/b43.h
 123 @@ -821,6 +821,8 @@ struct b43_wldev {
 124         bool hwcrypto_enabled;          /* TRUE, if HW crypto acceleration is enabled. */
 125         bool use_pio;                   /* TRUE if next init should use PIO */
 126         int gpiomask;                   /* GPIO LED mask as a module parameter */
 127 +       int rx_antenna;                 /* Used RX antenna (B43_ANTENNAxxx) */
 128 +       int tx_antenna;                 /* Used TX antenna (B43_ANTENNAxxx) */
 129
 130         /* PHY/Radio device. */
 131         struct b43_phy phy;