package/mac80211/patches/409-ath9k-add-wndr3700-antenna-initialization.patch

   1 --- a/drivers/net/wireless/ath/ath9k/init.c
   2 +++ b/drivers/net/wireless/ath/ath9k/init.c
   3 @@ -16,6 +16,7 @@
   4
   5  #include <linux/slab.h>
   6
   7 +#include "linux/ath9k_platform.h"
   8  #include "ath9k.h"
   9
  10  static char *dev_info = "ath9k";
  11 @@ -553,6 +554,8 @@ static int ath9k_init_softc(u16 devid, s
  12         pdata = (struct ath9k_platform_data *) sc->dev->platform_data;
  13         if (!pdata)
  14                 ah->ah_flags |= AH_USE_EEPROM;
  15 +       else
  16 +               sc->quirk_wndr3700 = pdata->quirk_wndr3700;
  17
  18         common = ath9k_hw_common(ah);
  19         common->ops = &ath9k_common_ops;
  20 @@ -675,6 +678,24 @@ void ath9k_set_hw_capab(struct ath_softc
  21         SET_IEEE80211_PERM_ADDR(hw, common->macaddr);
  22  }
  23
  24 +#ifdef CONFIG_ATHEROS_AR71XX
  25 +static void wndr3700_init_antenna(struct ath_hw *ah)
  26 +{
  27 +       ath9k_hw_cfg_output(ah, 6, AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
  28 +       ath9k_hw_cfg_output(ah, 7, AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
  29 +       ath9k_hw_cfg_output(ah, 8, AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
  30 +       ath9k_hw_cfg_output(ah, 9, AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
  31 +
  32 +       /* select the first antenna group */
  33 +       ath9k_hw_set_gpio(ah, 6, 0);
  34 +       ath9k_hw_set_gpio(ah, 7, 1);
  35 +       ath9k_hw_set_gpio(ah, 8, 0);
  36 +       ath9k_hw_set_gpio(ah, 9, 1);
  37 +}
  38 +#else
  39 +static inline void wndr3700_init_antenna(struct ath_hw *ah) {}
  40 +#endif /* CONFIG_ATHEROS_AR71XX */
  41 +
  42  int ath9k_init_device(u16 devid, struct ath_softc *sc, u16 subsysid,
  43                     const struct ath_bus_ops *bus_ops)
  44  {
  45 @@ -693,6 +714,9 @@ int ath9k_init_device(u16 devid, struct
  46         common = ath9k_hw_common(ah);
  47         ath9k_set_hw_capab(sc, hw);
  48
  49 +       if (sc->quirk_wndr3700)
  50 +               wndr3700_init_antenna(ah);
  51 +
  52         /* Initialize regulatory */
  53         error = ath_regd_init(&common->regulatory, sc->hw->wiphy,
  54                               ath9k_reg_notifier);
  55 --- a/drivers/net/wireless/ath/ath9k/ath9k.h
  56 +++ b/drivers/net/wireless/ath/ath9k/ath9k.h
  57 @@ -596,6 +596,8 @@ struct ath_softc {
  58
  59         int beacon_interval;
  60
  61 +       bool quirk_wndr3700;
  62 +
  63  #ifdef CONFIG_ATH9K_DEBUGFS
  64         struct ath9k_debug debug;
  65  #endif
  66 --- a/include/linux/ath9k_platform.h
  67 +++ b/include/linux/ath9k_platform.h
  68 @@ -24,6 +24,8 @@
  69  struct ath9k_platform_data {
  70         u16 eeprom_data[ATH9K_PLAT_EEP_MAX_WORDS];
  71         u8 *macaddr;
  72 +
  73 +       bool quirk_wndr3700;
  74  };
  75
  76  #endif /* _LINUX_ATH9K_PLATFORM_H */