package/mac80211/patches/623-rt2x00-rf_vals-rt3352-xtal20.patch

   1 --- a/drivers/net/wireless/rt2x00/rt2800lib.c
   2 +++ b/drivers/net/wireless/rt2x00/rt2800lib.c
   3 @@ -5072,6 +5072,27 @@ static const struct rf_channel rf_vals_3
   4         {173, 0x61, 0, 9},
   5  };
   6
   7 +/*
   8 + * RF value list for rt3xxx with Xtal20MHz
   9 + * Supports: 2.4 GHz (all) (RF3322)
  10 + */
  11 +static const struct rf_channel rf_vals_xtal20mhz_3x[] = {
  12 +       {1,    0xE2,     2,  0x14},
  13 +       {2,    0xE3,     2,  0x14},
  14 +       {3,    0xE4,     2,  0x14},
  15 +       {4,    0xE5,     2,  0x14},
  16 +       {5,    0xE6,     2,  0x14},
  17 +       {6,    0xE7,     2,  0x14},
  18 +       {7,    0xE8,     2,  0x14},
  19 +       {8,    0xE9,     2,  0x14},
  20 +       {9,    0xEA,     2,  0x14},
  21 +       {10,   0xEB,     2,  0x14},
  22 +       {11,   0xEC,     2,  0x14},
  23 +       {12,   0xED,     2,  0x14},
  24 +       {13,   0xEE,     2,  0x14},
  25 +       {14,   0xF0,     2,  0x18},
  26 +};
  27 +
  28  static int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
  29  {
  30         struct hw_mode_spec *spec = &rt2x00dev->spec;
  31 @@ -5149,7 +5170,6 @@ static int rt2800_probe_hw_mode(struct r
  32                    rt2x00_rf(rt2x00dev, RF3022) ||
  33                    rt2x00_rf(rt2x00dev, RF3290) ||
  34                    rt2x00_rf(rt2x00dev, RF3320) ||
  35 -                  rt2x00_rf(rt2x00dev, RF3322) ||
  36                    rt2x00_rf(rt2x00dev, RF5360) ||
  37                    rt2x00_rf(rt2x00dev, RF5370) ||
  38                    rt2x00_rf(rt2x00dev, RF5372) ||
  39 @@ -5157,6 +5177,12 @@ static int rt2800_probe_hw_mode(struct r
  40                    rt2x00_rf(rt2x00dev, RF5392)) {
  41                 spec->num_channels = 14;
  42                 spec->channels = rf_vals_3x;
  43 +       } else if (rt2x00_rf(rt2x00dev, RF3322)) {
  44 +               spec->num_channels = 14;
  45 +               if (spec->clk_is_20mhz)
  46 +                       spec->channels = rf_vals_xtal20mhz_3x;
  47 +               else
  48 +                       spec->channels = rf_vals_3x;
  49         } else if (rt2x00_rf(rt2x00dev, RF3052)) {
  50                 spec->supported_bands |= SUPPORT_BAND_5GHZ;
  51                 spec->num_channels = ARRAY_SIZE(rf_vals_3x);
  52 @@ -5250,6 +5276,19 @@ static int rt2800_probe_hw_mode(struct r
  53         return 0;
  54  }
  55
  56 +int rt2800_probe_clk(struct rt2x00_dev *rt2x00dev)
  57 +{
  58 +       struct rt2x00_platform_data *pdata = rt2x00dev->dev->platform_data;
  59 +       struct hw_mode_spec *spec = &rt2x00dev->spec;
  60 +
  61 +       if (!pdata)
  62 +               return -EINVAL;
  63 +
  64 +       spec->clk_is_20mhz = pdata->clk_is_20mhz;
  65 +
  66 +       return 0;
  67 +}
  68 +
  69  int rt2800_probe_hw(struct rt2x00_dev *rt2x00dev)
  70  {
  71         int retval;
  72 @@ -5275,6 +5314,15 @@ int rt2800_probe_hw(struct rt2x00_dev *r
  73         rt2800_register_write(rt2x00dev, GPIO_CTRL, reg);
  74
  75         /*
  76 +        * Probe SoC clock.
  77 +        */
  78 +       if (rt2x00_is_soc(rt2x00dev)) {
  79 +               retval = rt2800_probe_clk(rt2x00dev);
  80 +               if (retval)
  81 +                       return retval;
  82 +       }
  83 +
  84 +       /*
  85          * Initialize hw specifications.
  86          */
  87         retval = rt2800_probe_hw_mode(rt2x00dev);
  88 --- a/drivers/net/wireless/rt2x00/rt2x00.h
  89 +++ b/drivers/net/wireless/rt2x00/rt2x00.h
  90 @@ -421,6 +421,7 @@ static inline struct rt2x00_intf* vif_to
  91   * @channels: Device/chipset specific channel values (See &struct rf_channel).
  92   * @channels_info: Additional information for channels (See &struct channel_info).
  93   * @ht: Driver HT Capabilities (See &ieee80211_sta_ht_cap).
  94 + * @clk_is_20mhz: External crystal of WiSoC is 20MHz instead of 40MHz
  95   */
  96  struct hw_mode_spec {
  97         unsigned int supported_bands;
  98 @@ -437,6 +438,7 @@ struct hw_mode_spec {
  99         const struct channel_info *channels_info;
 100
 101         struct ieee80211_sta_ht_cap ht;
 102 +       int clk_is_20mhz;
 103  };
 104
 105  /*
 106 --- a/include/linux/rt2x00_platform.h
 107 +++ b/include/linux/rt2x00_platform.h
 108 @@ -18,6 +18,7 @@ struct rt2x00_platform_data {
 109
 110         int disable_2ghz;
 111         int disable_5ghz;
 112 +       int clk_is_20mhz;
 113  };
 114
 115  #endif /* _RT2X00_PLATFORM_H */