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path: root/drivers/net/wireless/ath/ath5k/ani.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath5k/ani.c')
-rw-r--r--drivers/net/wireless/ath/ath5k/ani.c90
1 files changed, 47 insertions, 43 deletions
diff --git a/drivers/net/wireless/ath/ath5k/ani.c b/drivers/net/wireless/ath/ath5k/ani.c
index f915f40..bea90e6 100644
--- a/drivers/net/wireless/ath/ath5k/ani.c
+++ b/drivers/net/wireless/ath/ath5k/ani.c
@@ -15,7 +15,6 @@
*/
#include "ath5k.h"
-#include "base.h"
#include "reg.h"
#include "debug.h"
#include "ani.h"
@@ -74,7 +73,7 @@ ath5k_ani_set_noise_immunity_level(struct ath5k_hw *ah, int level)
static const s8 fr[] = { -78, -80 };
#endif
if (level < 0 || level >= ARRAY_SIZE(sz)) {
- ATH5K_ERR(ah->ah_sc, "noise immuniy level %d out of range",
+ ATH5K_ERR(ah, "noise immunity level %d out of range",
level);
return;
}
@@ -88,8 +87,8 @@ ath5k_ani_set_noise_immunity_level(struct ath5k_hw *ah, int level)
AR5K_REG_WRITE_BITS(ah, AR5K_PHY_SIG,
AR5K_PHY_SIG_FIRPWR, fr[level]);
- ah->ah_sc->ani_state.noise_imm_level = level;
- ATH5K_DBG_UNLIMIT(ah->ah_sc, ATH5K_DEBUG_ANI, "new level %d", level);
+ ah->ani_state.noise_imm_level = level;
+ ATH5K_DBG_UNLIMIT(ah, ATH5K_DEBUG_ANI, "new level %d", level);
}
@@ -105,8 +104,8 @@ ath5k_ani_set_spur_immunity_level(struct ath5k_hw *ah, int level)
static const int val[] = { 2, 4, 6, 8, 10, 12, 14, 16 };
if (level < 0 || level >= ARRAY_SIZE(val) ||
- level > ah->ah_sc->ani_state.max_spur_level) {
- ATH5K_ERR(ah->ah_sc, "spur immunity level %d out of range",
+ level > ah->ani_state.max_spur_level) {
+ ATH5K_ERR(ah, "spur immunity level %d out of range",
level);
return;
}
@@ -114,8 +113,8 @@ ath5k_ani_set_spur_immunity_level(struct ath5k_hw *ah, int level)
AR5K_REG_WRITE_BITS(ah, AR5K_PHY_OFDM_SELFCORR,
AR5K_PHY_OFDM_SELFCORR_CYPWR_THR1, val[level]);
- ah->ah_sc->ani_state.spur_level = level;
- ATH5K_DBG_UNLIMIT(ah->ah_sc, ATH5K_DEBUG_ANI, "new level %d", level);
+ ah->ani_state.spur_level = level;
+ ATH5K_DBG_UNLIMIT(ah, ATH5K_DEBUG_ANI, "new level %d", level);
}
@@ -130,15 +129,15 @@ ath5k_ani_set_firstep_level(struct ath5k_hw *ah, int level)
static const int val[] = { 0, 4, 8 };
if (level < 0 || level >= ARRAY_SIZE(val)) {
- ATH5K_ERR(ah->ah_sc, "firstep level %d out of range", level);
+ ATH5K_ERR(ah, "firstep level %d out of range", level);
return;
}
AR5K_REG_WRITE_BITS(ah, AR5K_PHY_SIG,
AR5K_PHY_SIG_FIRSTEP, val[level]);
- ah->ah_sc->ani_state.firstep_level = level;
- ATH5K_DBG_UNLIMIT(ah->ah_sc, ATH5K_DEBUG_ANI, "new level %d", level);
+ ah->ani_state.firstep_level = level;
+ ATH5K_DBG_UNLIMIT(ah, ATH5K_DEBUG_ANI, "new level %d", level);
}
@@ -178,8 +177,8 @@ ath5k_ani_set_ofdm_weak_signal_detection(struct ath5k_hw *ah, bool on)
AR5K_REG_DISABLE_BITS(ah, AR5K_PHY_WEAK_OFDM_LOW_THR,
AR5K_PHY_WEAK_OFDM_LOW_THR_SELFCOR_EN);
- ah->ah_sc->ani_state.ofdm_weak_sig = on;
- ATH5K_DBG_UNLIMIT(ah->ah_sc, ATH5K_DEBUG_ANI, "turned %s",
+ ah->ani_state.ofdm_weak_sig = on;
+ ATH5K_DBG_UNLIMIT(ah, ATH5K_DEBUG_ANI, "turned %s",
on ? "on" : "off");
}
@@ -195,8 +194,8 @@ ath5k_ani_set_cck_weak_signal_detection(struct ath5k_hw *ah, bool on)
static const int val[] = { 8, 6 };
AR5K_REG_WRITE_BITS(ah, AR5K_PHY_CCK_CROSSCORR,
AR5K_PHY_CCK_CROSSCORR_WEAK_SIG_THR, val[on]);
- ah->ah_sc->ani_state.cck_weak_sig = on;
- ATH5K_DBG_UNLIMIT(ah->ah_sc, ATH5K_DEBUG_ANI, "turned %s",
+ ah->ani_state.cck_weak_sig = on;
+ ATH5K_DBG_UNLIMIT(ah, ATH5K_DEBUG_ANI, "turned %s",
on ? "on" : "off");
}
@@ -218,7 +217,7 @@ ath5k_ani_raise_immunity(struct ath5k_hw *ah, struct ath5k_ani_state *as,
{
int rssi = ewma_read(&ah->ah_beacon_rssi_avg);
- ATH5K_DBG_UNLIMIT(ah->ah_sc, ATH5K_DEBUG_ANI, "raise immunity (%s)",
+ ATH5K_DBG_UNLIMIT(ah, ATH5K_DEBUG_ANI, "raise immunity (%s)",
ofdm_trigger ? "ODFM" : "CCK");
/* first: raise noise immunity */
@@ -229,13 +228,13 @@ ath5k_ani_raise_immunity(struct ath5k_hw *ah, struct ath5k_ani_state *as,
/* only OFDM: raise spur immunity level */
if (ofdm_trigger &&
- as->spur_level < ah->ah_sc->ani_state.max_spur_level) {
+ as->spur_level < ah->ani_state.max_spur_level) {
ath5k_ani_set_spur_immunity_level(ah, as->spur_level + 1);
return;
}
/* AP mode */
- if (ah->ah_sc->opmode == NL80211_IFTYPE_AP) {
+ if (ah->opmode == NL80211_IFTYPE_AP) {
if (as->firstep_level < ATH5K_ANI_MAX_FIRSTEP_LVL)
ath5k_ani_set_firstep_level(ah, as->firstep_level + 1);
return;
@@ -248,7 +247,7 @@ ath5k_ani_raise_immunity(struct ath5k_hw *ah, struct ath5k_ani_state *as,
* don't shut out a remote node by raising immunity too high. */
if (rssi > ATH5K_ANI_RSSI_THR_HIGH) {
- ATH5K_DBG_UNLIMIT(ah->ah_sc, ATH5K_DEBUG_ANI,
+ ATH5K_DBG_UNLIMIT(ah, ATH5K_DEBUG_ANI,
"beacon RSSI high");
/* only OFDM: beacon RSSI is high, we can disable ODFM weak
* signal detection */
@@ -265,7 +264,7 @@ ath5k_ani_raise_immunity(struct ath5k_hw *ah, struct ath5k_ani_state *as,
} else if (rssi > ATH5K_ANI_RSSI_THR_LOW) {
/* beacon RSSI in mid range, we need OFDM weak signal detect,
* but can raise firstep level */
- ATH5K_DBG_UNLIMIT(ah->ah_sc, ATH5K_DEBUG_ANI,
+ ATH5K_DBG_UNLIMIT(ah, ATH5K_DEBUG_ANI,
"beacon RSSI mid");
if (ofdm_trigger && as->ofdm_weak_sig == false)
ath5k_ani_set_ofdm_weak_signal_detection(ah, true);
@@ -275,7 +274,7 @@ ath5k_ani_raise_immunity(struct ath5k_hw *ah, struct ath5k_ani_state *as,
} else if (ah->ah_current_channel->band == IEEE80211_BAND_2GHZ) {
/* beacon RSSI is low. in B/G mode turn of OFDM weak signal
* detect and zero firstep level to maximize CCK sensitivity */
- ATH5K_DBG_UNLIMIT(ah->ah_sc, ATH5K_DEBUG_ANI,
+ ATH5K_DBG_UNLIMIT(ah, ATH5K_DEBUG_ANI,
"beacon RSSI low, 2GHz");
if (ofdm_trigger && as->ofdm_weak_sig == true)
ath5k_ani_set_ofdm_weak_signal_detection(ah, false);
@@ -303,9 +302,9 @@ ath5k_ani_lower_immunity(struct ath5k_hw *ah, struct ath5k_ani_state *as)
{
int rssi = ewma_read(&ah->ah_beacon_rssi_avg);
- ATH5K_DBG_UNLIMIT(ah->ah_sc, ATH5K_DEBUG_ANI, "lower immunity");
+ ATH5K_DBG_UNLIMIT(ah, ATH5K_DEBUG_ANI, "lower immunity");
- if (ah->ah_sc->opmode == NL80211_IFTYPE_AP) {
+ if (ah->opmode == NL80211_IFTYPE_AP) {
/* AP mode */
if (as->firstep_level > 0) {
ath5k_ani_set_firstep_level(ah, as->firstep_level - 1);
@@ -464,7 +463,7 @@ ath5k_ani_period_restart(struct ath5k_hw *ah, struct ath5k_ani_state *as)
void
ath5k_ani_calibration(struct ath5k_hw *ah)
{
- struct ath5k_ani_state *as = &ah->ah_sc->ani_state;
+ struct ath5k_ani_state *as = &ah->ani_state;
int listen, ofdm_high, ofdm_low, cck_high, cck_low;
/* get listen time since last call and add it to the counter because we
@@ -483,9 +482,9 @@ ath5k_ani_calibration(struct ath5k_hw *ah)
ofdm_low = as->listen_time * ATH5K_ANI_OFDM_TRIG_LOW / 1000;
cck_low = as->listen_time * ATH5K_ANI_CCK_TRIG_LOW / 1000;
- ATH5K_DBG_UNLIMIT(ah->ah_sc, ATH5K_DEBUG_ANI,
+ ATH5K_DBG_UNLIMIT(ah, ATH5K_DEBUG_ANI,
"listen %d (now %d)", as->listen_time, listen);
- ATH5K_DBG_UNLIMIT(ah->ah_sc, ATH5K_DEBUG_ANI,
+ ATH5K_DBG_UNLIMIT(ah, ATH5K_DEBUG_ANI,
"check high ofdm %d/%d cck %d/%d",
as->ofdm_errors, ofdm_high, as->cck_errors, cck_high);
@@ -498,7 +497,7 @@ ath5k_ani_calibration(struct ath5k_hw *ah)
} else if (as->listen_time > 5 * ATH5K_ANI_LISTEN_PERIOD) {
/* If more than 5 (TODO: why 5?) periods have passed and we got
* relatively little errors we can try to lower immunity */
- ATH5K_DBG_UNLIMIT(ah->ah_sc, ATH5K_DEBUG_ANI,
+ ATH5K_DBG_UNLIMIT(ah, ATH5K_DEBUG_ANI,
"check low ofdm %d/%d cck %d/%d",
as->ofdm_errors, ofdm_low, as->cck_errors, cck_low);
@@ -525,7 +524,7 @@ ath5k_ani_calibration(struct ath5k_hw *ah)
void
ath5k_ani_mib_intr(struct ath5k_hw *ah)
{
- struct ath5k_ani_state *as = &ah->ah_sc->ani_state;
+ struct ath5k_ani_state *as = &ah->ani_state;
/* nothing to do here if HW does not have PHY error counters - they
* can't be the reason for the MIB interrupt then */
@@ -536,7 +535,7 @@ ath5k_ani_mib_intr(struct ath5k_hw *ah)
ath5k_hw_reg_write(ah, 0, AR5K_OFDM_FIL_CNT);
ath5k_hw_reg_write(ah, 0, AR5K_CCK_FIL_CNT);
- if (ah->ah_sc->ani_state.ani_mode != ATH5K_ANI_MODE_AUTO)
+ if (ah->ani_state.ani_mode != ATH5K_ANI_MODE_AUTO)
return;
/* If one of the errors triggered, we can get a superfluous second
@@ -547,7 +546,7 @@ ath5k_ani_mib_intr(struct ath5k_hw *ah)
if (as->ofdm_errors > ATH5K_ANI_OFDM_TRIG_HIGH ||
as->cck_errors > ATH5K_ANI_CCK_TRIG_HIGH)
- tasklet_schedule(&ah->ah_sc->ani_tasklet);
+ tasklet_schedule(&ah->ani_tasklet);
}
@@ -561,16 +560,16 @@ void
ath5k_ani_phy_error_report(struct ath5k_hw *ah,
enum ath5k_phy_error_code phyerr)
{
- struct ath5k_ani_state *as = &ah->ah_sc->ani_state;
+ struct ath5k_ani_state *as = &ah->ani_state;
if (phyerr == AR5K_RX_PHY_ERROR_OFDM_TIMING) {
as->ofdm_errors++;
if (as->ofdm_errors > ATH5K_ANI_OFDM_TRIG_HIGH)
- tasklet_schedule(&ah->ah_sc->ani_tasklet);
+ tasklet_schedule(&ah->ani_tasklet);
} else if (phyerr == AR5K_RX_PHY_ERROR_CCK_TIMING) {
as->cck_errors++;
if (as->cck_errors > ATH5K_ANI_CCK_TRIG_HIGH)
- tasklet_schedule(&ah->ah_sc->ani_tasklet);
+ tasklet_schedule(&ah->ani_tasklet);
}
}
@@ -630,20 +629,25 @@ ath5k_ani_init(struct ath5k_hw *ah, enum ath5k_ani_mode mode)
if (ah->ah_version < AR5K_AR5212)
return;
+ if (mode < ATH5K_ANI_MODE_OFF || mode > ATH5K_ANI_MODE_AUTO) {
+ ATH5K_ERR(ah, "ANI mode %d out of range", mode);
+ return;
+ }
+
/* clear old state information */
- memset(&ah->ah_sc->ani_state, 0, sizeof(ah->ah_sc->ani_state));
+ memset(&ah->ani_state, 0, sizeof(ah->ani_state));
/* older hardware has more spur levels than newer */
if (ah->ah_mac_srev < AR5K_SREV_AR2414)
- ah->ah_sc->ani_state.max_spur_level = 7;
+ ah->ani_state.max_spur_level = 7;
else
- ah->ah_sc->ani_state.max_spur_level = 2;
+ ah->ani_state.max_spur_level = 2;
/* initial values for our ani parameters */
if (mode == ATH5K_ANI_MODE_OFF) {
- ATH5K_DBG_UNLIMIT(ah->ah_sc, ATH5K_DEBUG_ANI, "ANI off\n");
- } else if (mode == ATH5K_ANI_MODE_MANUAL_LOW) {
- ATH5K_DBG_UNLIMIT(ah->ah_sc, ATH5K_DEBUG_ANI,
+ ATH5K_DBG_UNLIMIT(ah, ATH5K_DEBUG_ANI, "ANI off\n");
+ } else if (mode == ATH5K_ANI_MODE_MANUAL_LOW) {
+ ATH5K_DBG_UNLIMIT(ah, ATH5K_DEBUG_ANI,
"ANI manual low -> high sensitivity\n");
ath5k_ani_set_noise_immunity_level(ah, 0);
ath5k_ani_set_spur_immunity_level(ah, 0);
@@ -651,17 +655,17 @@ ath5k_ani_init(struct ath5k_hw *ah, enum ath5k_ani_mode mode)
ath5k_ani_set_ofdm_weak_signal_detection(ah, true);
ath5k_ani_set_cck_weak_signal_detection(ah, true);
} else if (mode == ATH5K_ANI_MODE_MANUAL_HIGH) {
- ATH5K_DBG_UNLIMIT(ah->ah_sc, ATH5K_DEBUG_ANI,
+ ATH5K_DBG_UNLIMIT(ah, ATH5K_DEBUG_ANI,
"ANI manual high -> low sensitivity\n");
ath5k_ani_set_noise_immunity_level(ah,
ATH5K_ANI_MAX_NOISE_IMM_LVL);
ath5k_ani_set_spur_immunity_level(ah,
- ah->ah_sc->ani_state.max_spur_level);
+ ah->ani_state.max_spur_level);
ath5k_ani_set_firstep_level(ah, ATH5K_ANI_MAX_FIRSTEP_LVL);
ath5k_ani_set_ofdm_weak_signal_detection(ah, false);
ath5k_ani_set_cck_weak_signal_detection(ah, false);
} else if (mode == ATH5K_ANI_MODE_AUTO) {
- ATH5K_DBG_UNLIMIT(ah->ah_sc, ATH5K_DEBUG_ANI, "ANI auto\n");
+ ATH5K_DBG_UNLIMIT(ah, ATH5K_DEBUG_ANI, "ANI auto\n");
ath5k_ani_set_noise_immunity_level(ah, 0);
ath5k_ani_set_spur_immunity_level(ah, 0);
ath5k_ani_set_firstep_level(ah, 0);
@@ -687,7 +691,7 @@ ath5k_ani_init(struct ath5k_hw *ah, enum ath5k_ani_mode mode)
~AR5K_RX_FILTER_PHYERR);
}
- ah->ah_sc->ani_state.ani_mode = mode;
+ ah->ani_state.ani_mode = mode;
}