mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-27 01:11:14 +00:00
201 lines
6.4 KiB
Diff
201 lines
6.4 KiB
Diff
--- a/drivers/net/wireless/ath/ath9k/hw.h
|
|
+++ b/drivers/net/wireless/ath/ath9k/hw.h
|
|
@@ -676,6 +676,7 @@ struct ath_spec_scan {
|
|
* @config_pci_powersave:
|
|
* @calibrate: periodic calibration for NF, ANI, IQ, ADC gain, ADC-DC
|
|
*
|
|
+ * @get_adc_entropy: get entropy from the raw ADC I/Q output
|
|
* @spectral_scan_config: set parameters for spectral scan and enable/disable it
|
|
* @spectral_scan_trigger: trigger a spectral scan run
|
|
* @spectral_scan_wait: wait for a spectral scan run to finish
|
|
@@ -698,6 +699,7 @@ struct ath_hw_ops {
|
|
struct ath_hw_antcomb_conf *antconf);
|
|
void (*antdiv_comb_conf_set)(struct ath_hw *ah,
|
|
struct ath_hw_antcomb_conf *antconf);
|
|
+ void (*get_adc_entropy)(struct ath_hw *ah, u8 *buf, size_t len);
|
|
void (*spectral_scan_config)(struct ath_hw *ah,
|
|
struct ath_spec_scan *param);
|
|
void (*spectral_scan_trigger)(struct ath_hw *ah);
|
|
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
|
|
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
|
|
@@ -1609,6 +1609,26 @@ static void ar9003_hw_spectral_scan_wait
|
|
}
|
|
}
|
|
|
|
+static void ar9003_hw_get_adc_entropy(struct ath_hw *ah, u8 *buf, size_t len)
|
|
+{
|
|
+ int i, j;
|
|
+
|
|
+ REG_RMW_FIELD(ah, AR_PHY_TEST, AR_PHY_TEST_BBB_OBS_SEL, 1);
|
|
+ REG_CLR_BIT(ah, AR_PHY_TEST, AR_PHY_TEST_RX_OBS_SEL_BIT5);
|
|
+ REG_RMW_FIELD(ah, AR_PHY_TEST_CTL_STATUS, AR_PHY_TEST_CTL_RX_OBS_SEL, 0);
|
|
+
|
|
+ memset(buf, 0, len);
|
|
+ for (i = 0; i < len; i++) {
|
|
+ for (j = 0; j < 4; j++) {
|
|
+ u32 regval = REG_READ(ah, AR_PHY_TST_ADC);
|
|
+
|
|
+ buf[i] <<= 2;
|
|
+ buf[i] |= (regval & 1) | ((regval & BIT(10)) >> 9);
|
|
+ udelay(1);
|
|
+ }
|
|
+ }
|
|
+}
|
|
+
|
|
void ar9003_hw_attach_phy_ops(struct ath_hw *ah)
|
|
{
|
|
struct ath_hw_private_ops *priv_ops = ath9k_hw_private_ops(ah);
|
|
@@ -1639,6 +1659,7 @@ void ar9003_hw_attach_phy_ops(struct ath
|
|
priv_ops->set_radar_params = ar9003_hw_set_radar_params;
|
|
priv_ops->fast_chan_change = ar9003_hw_fast_chan_change;
|
|
|
|
+ ops->get_adc_entropy = ar9003_hw_get_adc_entropy;
|
|
ops->antdiv_comb_conf_get = ar9003_hw_antdiv_comb_conf_get;
|
|
ops->antdiv_comb_conf_set = ar9003_hw_antdiv_comb_conf_set;
|
|
ops->spectral_scan_config = ar9003_hw_spectral_scan_config;
|
|
--- a/drivers/net/wireless/ath/ath9k/init.c
|
|
+++ b/drivers/net/wireless/ath/ath9k/init.c
|
|
@@ -794,7 +794,8 @@ static void ath9k_init_txpower_limits(st
|
|
if (ah->caps.hw_caps & ATH9K_HW_CAP_5GHZ)
|
|
ath9k_init_band_txpower(sc, IEEE80211_BAND_5GHZ);
|
|
|
|
- ah->curchan = curchan;
|
|
+ if (curchan)
|
|
+ ah->curchan = curchan;
|
|
}
|
|
|
|
void ath9k_reload_chainmask_settings(struct ath_softc *sc)
|
|
@@ -940,6 +941,18 @@ void ath9k_set_hw_capab(struct ath_softc
|
|
SET_IEEE80211_PERM_ADDR(hw, common->macaddr);
|
|
}
|
|
|
|
+static void ath_get_initial_entropy(struct ath_softc *sc)
|
|
+{
|
|
+ struct ath_hw *ah = sc->sc_ah;
|
|
+ char buf[256];
|
|
+
|
|
+ /* reuse last channel initialized by the tx power test */
|
|
+ ath9k_hw_reset(ah, ah->curchan, NULL, false);
|
|
+
|
|
+ ath9k_hw_get_adc_entropy(ah, buf, sizeof(buf));
|
|
+ add_device_randomness(buf, sizeof(buf));
|
|
+}
|
|
+
|
|
int ath9k_init_device(u16 devid, struct ath_softc *sc,
|
|
const struct ath_bus_ops *bus_ops)
|
|
{
|
|
@@ -985,6 +998,8 @@ int ath9k_init_device(u16 devid, struct
|
|
ARRAY_SIZE(ath9k_tpt_blink));
|
|
#endif
|
|
|
|
+ ath_get_initial_entropy(sc);
|
|
+
|
|
/* Register with mac80211 */
|
|
error = ieee80211_register_hw(hw);
|
|
if (error)
|
|
--- a/drivers/net/wireless/ath/ath9k/hw-ops.h
|
|
+++ b/drivers/net/wireless/ath/ath9k/hw-ops.h
|
|
@@ -78,6 +78,12 @@ static inline void ath9k_hw_antdiv_comb_
|
|
ath9k_hw_ops(ah)->antdiv_comb_conf_set(ah, antconf);
|
|
}
|
|
|
|
+static inline void ath9k_hw_get_adc_entropy(struct ath_hw *ah,
|
|
+ u8 *buf, size_t len)
|
|
+{
|
|
+ ath9k_hw_ops(ah)->get_adc_entropy(ah, buf, len);
|
|
+}
|
|
+
|
|
#ifdef CPTCFG_ATH9K_BTCOEX_SUPPORT
|
|
|
|
static inline void ath9k_hw_set_bt_ant_diversity(struct ath_hw *ah, bool enable)
|
|
--- a/drivers/net/wireless/ath/ath9k/link.c
|
|
+++ b/drivers/net/wireless/ath/ath9k/link.c
|
|
@@ -342,6 +342,11 @@ void ath_ani_calibrate(unsigned long dat
|
|
unsigned int timestamp = jiffies_to_msecs(jiffies);
|
|
u32 cal_interval, short_cal_interval, long_cal_interval;
|
|
unsigned long flags;
|
|
+ char buf[256];
|
|
+
|
|
+ /* gather entropy */
|
|
+ ath9k_hw_get_adc_entropy(ah, buf, sizeof(buf));
|
|
+ add_device_randomness(buf, sizeof(buf));
|
|
|
|
if (ah->caldata && ah->caldata->nfcal_interference)
|
|
long_cal_interval = ATH_LONG_CALINTERVAL_INT;
|
|
--- a/drivers/net/wireless/ath/ath9k/ar5008_phy.c
|
|
+++ b/drivers/net/wireless/ath/ath9k/ar5008_phy.c
|
|
@@ -1299,9 +1299,30 @@ static void ar5008_hw_set_radar_conf(str
|
|
conf->radar_inband = 8;
|
|
}
|
|
|
|
+static void ar5008_hw_get_adc_entropy(struct ath_hw *ah, u8 *buf, size_t len)
|
|
+{
|
|
+ int i, j;
|
|
+
|
|
+ REG_RMW_FIELD(ah, AR_PHY_TEST, AR_PHY_TEST_BBB_OBS_SEL, 1);
|
|
+ REG_CLR_BIT(ah, AR_PHY_TEST, AR_PHY_TEST_RX_OBS_SEL_BIT5);
|
|
+ REG_RMW_FIELD(ah, AR_PHY_TEST2, AR_PHY_TEST2_RX_OBS_SEL, 0);
|
|
+
|
|
+ memset(buf, 0, len);
|
|
+ for (i = 0; i < len; i++) {
|
|
+ for (j = 0; j < 4; j++) {
|
|
+ u32 regval = REG_READ(ah, AR_PHY_TST_ADC);
|
|
+
|
|
+ buf[i] <<= 2;
|
|
+ buf[i] |= (regval & 1) | ((regval & BIT(9)) >> 8);
|
|
+ udelay(1);
|
|
+ }
|
|
+ }
|
|
+}
|
|
+
|
|
int ar5008_hw_attach_phy_ops(struct ath_hw *ah)
|
|
{
|
|
struct ath_hw_private_ops *priv_ops = ath9k_hw_private_ops(ah);
|
|
+ struct ath_hw_ops *ops = ath9k_hw_ops(ah);
|
|
static const u32 ar5416_cca_regs[6] = {
|
|
AR_PHY_CCA,
|
|
AR_PHY_CH1_CCA,
|
|
@@ -1316,6 +1337,8 @@ int ar5008_hw_attach_phy_ops(struct ath_
|
|
if (ret)
|
|
return ret;
|
|
|
|
+ ops->get_adc_entropy = ar5008_hw_get_adc_entropy;
|
|
+
|
|
priv_ops->rf_set_freq = ar5008_hw_set_channel;
|
|
priv_ops->spur_mitigate_freq = ar5008_hw_spur_mitigate;
|
|
|
|
--- a/drivers/net/wireless/ath/ath9k/ar9002_phy.h
|
|
+++ b/drivers/net/wireless/ath/ath9k/ar9002_phy.h
|
|
@@ -20,6 +20,12 @@
|
|
#define PHY_AGC_CLR 0x10000000
|
|
#define RFSILENT_BB 0x00002000
|
|
|
|
+#define AR_PHY_TEST_BBB_OBS_SEL 0x780000
|
|
+#define AR_PHY_TEST_BBB_OBS_SEL_S 19
|
|
+
|
|
+#define AR_PHY_TEST_RX_OBS_SEL_BIT5_S 23
|
|
+#define AR_PHY_TEST_RX_OBS_SEL_BIT5 (1 << AR_PHY_TEST_RX_OBS_SEL_BIT5_S)
|
|
+
|
|
#define AR_PHY_TURBO 0x9804
|
|
#define AR_PHY_FC_TURBO_MODE 0x00000001
|
|
#define AR_PHY_FC_TURBO_SHORT 0x00000002
|
|
@@ -36,6 +42,9 @@
|
|
|
|
#define AR_PHY_TEST2 0x9808
|
|
|
|
+#define AR_PHY_TEST2_RX_OBS_SEL 0x3C00
|
|
+#define AR_PHY_TEST2_RX_OBS_SEL_S 10
|
|
+
|
|
#define AR_PHY_TIMING2 0x9810
|
|
#define AR_PHY_TIMING3 0x9814
|
|
#define AR_PHY_TIMING3_DSC_MAN 0xFFFE0000
|
|
@@ -390,6 +399,8 @@
|
|
#define AR_PHY_RFBUS_GRANT 0x9C20
|
|
#define AR_PHY_RFBUS_GRANT_EN 0x00000001
|
|
|
|
+#define AR_PHY_TST_ADC 0x9C24
|
|
+
|
|
#define AR_PHY_CHAN_INFO_GAIN_DIFF 0x9CF4
|
|
#define AR_PHY_CHAN_INFO_GAIN_DIFF_UPPER_LIMIT 320
|
|
|