package/mac80211/patches/860-brcmsmac-implement-ieee80211_ops-get_tsf-and-set_tsf.patch

   1 --- a/drivers/net/wireless/brcm80211/brcmsmac/d11.h
   2 +++ b/drivers/net/wireless/brcm80211/brcmsmac/d11.h
   3 @@ -457,6 +457,7 @@ struct d11regs {
   4  /*== maccontrol register ==*/
   5  #define        MCTL_GMODE              (1U << 31)
   6  #define        MCTL_DISCARD_PMQ        (1 << 30)
   7 +#define        MCTL_TBTTHOLD           (1 << 28)
   8  #define        MCTL_WAKE               (1 << 26)
   9  #define        MCTL_HPS                (1 << 25)
  10  #define        MCTL_PROMISC            (1 << 24)
  11 --- a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
  12 +++ b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
  13 @@ -741,6 +741,28 @@ static void brcms_ops_flush(struct ieee8
  14                            "ret=%d\n", jiffies_to_msecs(ret));
  15  }
  16
  17 +static u64 brcms_ops_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
  18 +{
  19 +       struct brcms_info *wl = hw->priv;
  20 +       u64 tsf;
  21 +
  22 +       spin_lock_bh(&wl->lock);
  23 +       tsf = brcms_c_tsf_get(wl->wlc);
  24 +       spin_unlock_bh(&wl->lock);
  25 +
  26 +       return tsf;
  27 +}
  28 +
  29 +static void brcms_ops_set_tsf(struct ieee80211_hw *hw,
  30 +                          struct ieee80211_vif *vif, u64 tsf)
  31 +{
  32 +       struct brcms_info *wl = hw->priv;
  33 +
  34 +       spin_lock_bh(&wl->lock);
  35 +       brcms_c_tsf_set(wl->wlc, tsf);
  36 +       spin_unlock_bh(&wl->lock);
  37 +}
  38 +
  39  static const struct ieee80211_ops brcms_ops = {
  40         .tx = brcms_ops_tx,
  41         .start = brcms_ops_start,
  42 @@ -757,6 +779,8 @@ static const struct ieee80211_ops brcms_
  43         .ampdu_action = brcms_ops_ampdu_action,
  44         .rfkill_poll = brcms_ops_rfkill_poll,
  45         .flush = brcms_ops_flush,
  46 +       .get_tsf = brcms_ops_get_tsf,
  47 +       .set_tsf = brcms_ops_set_tsf,
  48  };
  49
  50  void brcms_dpc(unsigned long data)
  51 --- a/drivers/net/wireless/brcm80211/brcmsmac/main.c
  52 +++ b/drivers/net/wireless/brcm80211/brcmsmac/main.c
  53 @@ -5545,6 +5545,20 @@ int brcms_c_set_rateset(struct brcms_c_i
  54         return bcmerror;
  55  }
  56
  57 +static void brcms_c_time_lock(struct brcms_c_info *wlc)
  58 +{
  59 +       bcma_set32(wlc->hw->d11core, D11REGOFFS(maccontrol), MCTL_TBTTHOLD);
  60 +       /* Commit the write */
  61 +       bcma_read32(wlc->hw->d11core, D11REGOFFS(maccontrol));
  62 +}
  63 +
  64 +static void brcms_c_time_unlock(struct brcms_c_info *wlc)
  65 +{
  66 +       bcma_mask32(wlc->hw->d11core, D11REGOFFS(maccontrol), ~MCTL_TBTTHOLD);
  67 +       /* Commit the write */
  68 +       bcma_read32(wlc->hw->d11core, D11REGOFFS(maccontrol));
  69 +}
  70 +
  71  int brcms_c_set_beacon_period(struct brcms_c_info *wlc, u16 period)
  72  {
  73         if (period == 0)
  74 @@ -7530,6 +7544,36 @@ void brcms_c_set_beacon_listen_interval(
  75                 brcms_c_bcn_li_upd(wlc);
  76  }
  77
  78 +u64 brcms_c_tsf_get(struct brcms_c_info *wlc)
  79 +{
  80 +       u32 tsf_h, tsf_l;
  81 +       u64 tsf;
  82 +
  83 +       brcms_b_read_tsf(wlc->hw, &tsf_l, &tsf_h);
  84 +
  85 +       tsf = tsf_h;
  86 +       tsf <<= 32;
  87 +       tsf |= tsf_l;
  88 +
  89 +       return tsf;
  90 +}
  91 +
  92 +void brcms_c_tsf_set(struct brcms_c_info *wlc, u64 tsf)
  93 +{
  94 +       u32 tsf_h, tsf_l;
  95 +
  96 +       brcms_c_time_lock(wlc);
  97 +
  98 +       tsf_l = tsf;
  99 +       tsf_h = (tsf >> 32);
 100 +
 101 +       /* read the tsf timer low, then high to get an atomic read */
 102 +       bcma_write32(wlc->hw->d11core, D11REGOFFS(tsf_timerlow), tsf_l);
 103 +       bcma_write32(wlc->hw->d11core, D11REGOFFS(tsf_timerhigh), tsf_h);
 104 +
 105 +       brcms_c_time_unlock(wlc);
 106 +}
 107 +
 108  int brcms_c_set_tx_power(struct brcms_c_info *wlc, int txpwr)
 109  {
 110         uint qdbm;
 111 --- a/drivers/net/wireless/brcm80211/brcmsmac/pub.h
 112 +++ b/drivers/net/wireless/brcm80211/brcmsmac/pub.h
 113 @@ -326,6 +326,8 @@ extern void brcms_c_set_shortslot_overri
 114                                     s8 sslot_override);
 115  extern void brcms_c_set_beacon_listen_interval(struct brcms_c_info *wlc,
 116                                         u8 interval);
 117 +extern u64 brcms_c_tsf_get(struct brcms_c_info *wlc);
 118 +extern void brcms_c_tsf_set(struct brcms_c_info *wlc, u64 tsf);
 119  extern int brcms_c_set_tx_power(struct brcms_c_info *wlc, int txpwr);
 120  extern int brcms_c_get_tx_power(struct brcms_c_info *wlc);
 121  extern bool brcms_c_check_radio_disabled(struct brcms_c_info *wlc);