mac80211: update brcmfmac including missing boardrev workaround
[openwrt.git] / package / kernel / mac80211 / patches / 543-ath9k_entropy_from_adc.patch
1 --- a/drivers/net/wireless/ath/ath9k/hw.h
2 +++ b/drivers/net/wireless/ath/ath9k/hw.h
3 @@ -720,6 +720,7 @@ struct ath_spec_scan {
4   * @config_pci_powersave:
5   * @calibrate: periodic calibration for NF, ANI, IQ, ADC gain, ADC-DC
6   *
7 + * @get_adc_entropy: get entropy from the raw ADC I/Q output
8   * @spectral_scan_config: set parameters for spectral scan and enable/disable it
9   * @spectral_scan_trigger: trigger a spectral scan run
10   * @spectral_scan_wait: wait for a spectral scan run to finish
11 @@ -742,6 +743,7 @@ struct ath_hw_ops {
12                         struct ath_hw_antcomb_conf *antconf);
13         void (*antdiv_comb_conf_set)(struct ath_hw *ah,
14                         struct ath_hw_antcomb_conf *antconf);
15 +       void (*get_adc_entropy)(struct ath_hw *ah, u8 *buf, size_t len);
16         void (*spectral_scan_config)(struct ath_hw *ah,
17                                      struct ath_spec_scan *param);
18         void (*spectral_scan_trigger)(struct ath_hw *ah);
19 --- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
20 +++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
21 @@ -1998,6 +1998,26 @@ void ar9003_hw_init_rate_txpower(struct
22         }
23  }
24  
25 +static void ar9003_hw_get_adc_entropy(struct ath_hw *ah, u8 *buf, size_t len)
26 +{
27 +       int i, j;
28 +
29 +       REG_RMW_FIELD(ah, AR_PHY_TEST, AR_PHY_TEST_BBB_OBS_SEL, 1);
30 +       REG_CLR_BIT(ah, AR_PHY_TEST, AR_PHY_TEST_RX_OBS_SEL_BIT5);
31 +       REG_RMW_FIELD(ah, AR_PHY_TEST_CTL_STATUS, AR_PHY_TEST_CTL_RX_OBS_SEL, 0);
32 +
33 +       memset(buf, 0, len);
34 +       for (i = 0; i < len; i++) {
35 +               for (j = 0; j < 4; j++) {
36 +                       u32 regval = REG_READ(ah, AR_PHY_TST_ADC);
37 +
38 +                       buf[i] <<= 2;
39 +                       buf[i] |= (regval & 1) | ((regval & BIT(10)) >> 9);
40 +                       udelay(1);
41 +               }
42 +       }
43 +}
44 +
45  void ar9003_hw_attach_phy_ops(struct ath_hw *ah)
46  {
47         struct ath_hw_private_ops *priv_ops = ath9k_hw_private_ops(ah);
48 @@ -2034,6 +2054,7 @@ void ar9003_hw_attach_phy_ops(struct ath
49         priv_ops->set_radar_params = ar9003_hw_set_radar_params;
50         priv_ops->fast_chan_change = ar9003_hw_fast_chan_change;
51  
52 +       ops->get_adc_entropy = ar9003_hw_get_adc_entropy;
53         ops->antdiv_comb_conf_get = ar9003_hw_antdiv_comb_conf_get;
54         ops->antdiv_comb_conf_set = ar9003_hw_antdiv_comb_conf_set;
55         ops->spectral_scan_config = ar9003_hw_spectral_scan_config;
56 --- a/drivers/net/wireless/ath/ath9k/init.c
57 +++ b/drivers/net/wireless/ath/ath9k/init.c
58 @@ -711,7 +711,8 @@ static void ath9k_init_txpower_limits(st
59         if (ah->caps.hw_caps & ATH9K_HW_CAP_5GHZ)
60                 ath9k_init_band_txpower(sc, IEEE80211_BAND_5GHZ);
61  
62 -       ah->curchan = curchan;
63 +       if (curchan)
64 +               ah->curchan = curchan;
65  }
66  
67  static const struct ieee80211_iface_limit if_limits[] = {
68 @@ -897,6 +898,18 @@ static void ath9k_set_hw_capab(struct at
69         SET_IEEE80211_PERM_ADDR(hw, common->macaddr);
70  }
71  
72 +static void ath_get_initial_entropy(struct ath_softc *sc)
73 +{
74 +       struct ath_hw *ah = sc->sc_ah;
75 +       char buf[256];
76 +
77 +       /* reuse last channel initialized by the tx power test */
78 +       ath9k_hw_reset(ah, ah->curchan, NULL, false);
79 +
80 +       ath9k_hw_get_adc_entropy(ah, buf, sizeof(buf));
81 +       add_device_randomness(buf, sizeof(buf));
82 +}
83 +
84  int ath9k_init_device(u16 devid, struct ath_softc *sc,
85                     const struct ath_bus_ops *bus_ops)
86  {
87 @@ -942,6 +955,8 @@ int ath9k_init_device(u16 devid, struct
88                 ARRAY_SIZE(ath9k_tpt_blink));
89  #endif
90  
91 +       ath_get_initial_entropy(sc);
92 +
93         /* Register with mac80211 */
94         error = ieee80211_register_hw(hw);
95         if (error)
96 --- a/drivers/net/wireless/ath/ath9k/hw-ops.h
97 +++ b/drivers/net/wireless/ath/ath9k/hw-ops.h
98 @@ -100,6 +100,12 @@ static inline void ath9k_hw_tx99_set_txp
99                 ath9k_hw_ops(ah)->tx99_set_txpower(ah, power);
100  }
101  
102 +static inline void ath9k_hw_get_adc_entropy(struct ath_hw *ah,
103 +               u8 *buf, size_t len)
104 +{
105 +       ath9k_hw_ops(ah)->get_adc_entropy(ah, buf, len);
106 +}
107 +
108  #ifdef CPTCFG_ATH9K_BTCOEX_SUPPORT
109  
110  static inline void ath9k_hw_set_bt_ant_diversity(struct ath_hw *ah, bool enable)
111 --- a/drivers/net/wireless/ath/ath9k/ar5008_phy.c
112 +++ b/drivers/net/wireless/ath/ath9k/ar5008_phy.c
113 @@ -1327,9 +1327,30 @@ void ar5008_hw_init_rate_txpower(struct
114         }
115  }
116  
117 +static void ar5008_hw_get_adc_entropy(struct ath_hw *ah, u8 *buf, size_t len)
118 +{
119 +       int i, j;
120 +
121 +       REG_RMW_FIELD(ah, AR_PHY_TEST, AR_PHY_TEST_BBB_OBS_SEL, 1);
122 +       REG_CLR_BIT(ah, AR_PHY_TEST, AR_PHY_TEST_RX_OBS_SEL_BIT5);
123 +       REG_RMW_FIELD(ah, AR_PHY_TEST2, AR_PHY_TEST2_RX_OBS_SEL, 0);
124 +
125 +       memset(buf, 0, len);
126 +       for (i = 0; i < len; i++) {
127 +               for (j = 0; j < 4; j++) {
128 +                       u32 regval = REG_READ(ah, AR_PHY_TST_ADC);
129 +
130 +                       buf[i] <<= 2;
131 +                       buf[i] |= (regval & 1) | ((regval & BIT(9)) >> 8);
132 +                       udelay(1);
133 +               }
134 +       }
135 +}
136 +
137  int ar5008_hw_attach_phy_ops(struct ath_hw *ah)
138  {
139         struct ath_hw_private_ops *priv_ops = ath9k_hw_private_ops(ah);
140 +       struct ath_hw_ops *ops = ath9k_hw_ops(ah);
141         static const u32 ar5416_cca_regs[6] = {
142                 AR_PHY_CCA,
143                 AR_PHY_CH1_CCA,
144 @@ -1344,6 +1365,8 @@ int ar5008_hw_attach_phy_ops(struct ath_
145         if (ret)
146             return ret;
147  
148 +       ops->get_adc_entropy = ar5008_hw_get_adc_entropy;
149 +
150         priv_ops->rf_set_freq = ar5008_hw_set_channel;
151         priv_ops->spur_mitigate_freq = ar5008_hw_spur_mitigate;
152  
153 --- a/drivers/net/wireless/ath/ath9k/ar9002_phy.h
154 +++ b/drivers/net/wireless/ath/ath9k/ar9002_phy.h
155 @@ -20,6 +20,12 @@
156  #define PHY_AGC_CLR             0x10000000
157  #define RFSILENT_BB             0x00002000
158  
159 +#define AR_PHY_TEST_BBB_OBS_SEL       0x780000
160 +#define AR_PHY_TEST_BBB_OBS_SEL_S     19
161 +
162 +#define AR_PHY_TEST_RX_OBS_SEL_BIT5_S 23
163 +#define AR_PHY_TEST_RX_OBS_SEL_BIT5   (1 << AR_PHY_TEST_RX_OBS_SEL_BIT5_S)
164 +
165  #define AR_PHY_TURBO                0x9804
166  #define AR_PHY_FC_TURBO_MODE        0x00000001
167  #define AR_PHY_FC_TURBO_SHORT       0x00000002
168 @@ -36,6 +42,9 @@
169  
170  #define AR_PHY_TEST2                   0x9808
171  
172 +#define AR_PHY_TEST2_RX_OBS_SEL        0x3C00
173 +#define AR_PHY_TEST2_RX_OBS_SEL_S      10
174 +
175  #define AR_PHY_TIMING2           0x9810
176  #define AR_PHY_TIMING3           0x9814
177  #define AR_PHY_TIMING3_DSC_MAN   0xFFFE0000
178 @@ -390,6 +399,8 @@
179  #define AR_PHY_RFBUS_GRANT       0x9C20
180  #define AR_PHY_RFBUS_GRANT_EN    0x00000001
181  
182 +#define AR_PHY_TST_ADC      0x9C24
183 +
184  #define AR_PHY_CHAN_INFO_GAIN_DIFF             0x9CF4
185  #define AR_PHY_CHAN_INFO_GAIN_DIFF_UPPER_LIMIT 320
186