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ath9k_hw: Split out the function for reading the noise floor

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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Felix Fietkau 2010-04-15 17:38:49 -04:00 committed by John W. Linville
parent b5c80475ab
commit 641d99217f
7 changed files with 235 additions and 89 deletions
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50
drivers/net/wireless/ath/ath9k/ar5008_phy.c
View file

@ -1198,6 +1198,55 @@ static bool ar5008_hw_ani_control(struct ath_hw *ah,
return true;
}
static void ar5008_hw_do_getnf(struct ath_hw *ah,
int16_t nfarray[NUM_NF_READINGS])
{
struct ath_common *common = ath9k_hw_common(ah);
int16_t nf;
nf = MS(REG_READ(ah, AR_PHY_CCA), AR_PHY_MINCCA_PWR);
if (nf & 0x100)
nf = 0 - ((nf ^ 0x1ff) + 1);
ath_print(common, ATH_DBG_CALIBRATE,
"NF calibrated [ctl] [chain 0] is %d\n", nf);
nfarray[0] = nf;
nf = MS(REG_READ(ah, AR_PHY_CH1_CCA), AR_PHY_CH1_MINCCA_PWR);
if (nf & 0x100)
nf = 0 - ((nf ^ 0x1ff) + 1);
ath_print(common, ATH_DBG_CALIBRATE,
"NF calibrated [ctl] [chain 1] is %d\n", nf);
nfarray[1] = nf;
nf = MS(REG_READ(ah, AR_PHY_CH2_CCA), AR_PHY_CH2_MINCCA_PWR);
if (nf & 0x100)
nf = 0 - ((nf ^ 0x1ff) + 1);
ath_print(common, ATH_DBG_CALIBRATE,
"NF calibrated [ctl] [chain 2] is %d\n", nf);
nfarray[2] = nf;
nf = MS(REG_READ(ah, AR_PHY_EXT_CCA), AR_PHY_EXT_MINCCA_PWR);
if (nf & 0x100)
nf = 0 - ((nf ^ 0x1ff) + 1);
ath_print(common, ATH_DBG_CALIBRATE,
"NF calibrated [ext] [chain 0] is %d\n", nf);
nfarray[3] = nf;
nf = MS(REG_READ(ah, AR_PHY_CH1_EXT_CCA), AR_PHY_CH1_EXT_MINCCA_PWR);
if (nf & 0x100)
nf = 0 - ((nf ^ 0x1ff) + 1);
ath_print(common, ATH_DBG_CALIBRATE,
"NF calibrated [ext] [chain 1] is %d\n", nf);
nfarray[4] = nf;
nf = MS(REG_READ(ah, AR_PHY_CH2_EXT_CCA), AR_PHY_CH2_EXT_MINCCA_PWR);
if (nf & 0x100)
nf = 0 - ((nf ^ 0x1ff) + 1);
ath_print(common, ATH_DBG_CALIBRATE,
"NF calibrated [ext] [chain 2] is %d\n", nf);
nfarray[5] = nf;
}
void ar5008_hw_attach_phy_ops(struct ath_hw *ah)
{
struct ath_hw_private_ops *priv_ops = ath9k_hw_private_ops(ah);
@ -1220,6 +1269,7 @@ void ar5008_hw_attach_phy_ops(struct ath_hw *ah)
priv_ops->restore_chainmask = ar5008_restore_chainmask;
priv_ops->set_diversity = ar5008_set_diversity;
priv_ops->ani_control = ar5008_hw_ani_control;
priv_ops->do_getnf = ar5008_hw_do_getnf;
if (AR_SREV_9100(ah))
priv_ops->compute_pll_control = ar9100_hw_compute_pll_control;

53
drivers/net/wireless/ath/ath9k/ar9002_phy.c
View file

@ -467,6 +467,58 @@ static u32 ar9002_hw_compute_pll_control(struct ath_hw *ah,
return pll;
}
static void ar9002_hw_do_getnf(struct ath_hw *ah,
int16_t nfarray[NUM_NF_READINGS])
{
struct ath_common *common = ath9k_hw_common(ah);
int16_t nf;
nf = MS(REG_READ(ah, AR_PHY_CCA), AR9280_PHY_MINCCA_PWR);
if (nf & 0x100)
nf = 0 - ((nf ^ 0x1ff) + 1);
ath_print(common, ATH_DBG_CALIBRATE,
"NF calibrated [ctl] [chain 0] is %d\n", nf);
if (AR_SREV_9271(ah) && (nf >= -114))
nf = -116;
nfarray[0] = nf;
if (!AR_SREV_9285(ah) && !AR_SREV_9271(ah)) {
nf = MS(REG_READ(ah, AR_PHY_CH1_CCA),
AR9280_PHY_CH1_MINCCA_PWR);
if (nf & 0x100)
nf = 0 - ((nf ^ 0x1ff) + 1);
ath_print(common, ATH_DBG_CALIBRATE,
"NF calibrated [ctl] [chain 1] is %d\n", nf);
nfarray[1] = nf;
}
nf = MS(REG_READ(ah, AR_PHY_EXT_CCA), AR9280_PHY_EXT_MINCCA_PWR);
if (nf & 0x100)
nf = 0 - ((nf ^ 0x1ff) + 1);
ath_print(common, ATH_DBG_CALIBRATE,
"NF calibrated [ext] [chain 0] is %d\n", nf);
if (AR_SREV_9271(ah) && (nf >= -114))
nf = -116;
nfarray[3] = nf;
if (!AR_SREV_9285(ah) && !AR_SREV_9271(ah)) {
nf = MS(REG_READ(ah, AR_PHY_CH1_EXT_CCA),
AR9280_PHY_CH1_EXT_MINCCA_PWR);
if (nf & 0x100)
nf = 0 - ((nf ^ 0x1ff) + 1);
ath_print(common, ATH_DBG_CALIBRATE,
"NF calibrated [ext] [chain 1] is %d\n", nf);
nfarray[4] = nf;
}
}
void ar9002_hw_attach_phy_ops(struct ath_hw *ah)
{
struct ath_hw_private_ops *priv_ops = ath9k_hw_private_ops(ah);
@ -478,4 +530,5 @@ void ar9002_hw_attach_phy_ops(struct ath_hw *ah)
priv_ops->spur_mitigate_freq = ar9002_hw_spur_mitigate;
priv_ops->olc_init = ar9002_olc_init;
priv_ops->compute_pll_control = ar9002_hw_compute_pll_control;
priv_ops->do_getnf = ar9002_hw_do_getnf;
}

110
drivers/net/wireless/ath/ath9k/ar9003_phy.c
View file

@ -705,6 +705,115 @@ static bool ar9003_hw_ani_control(struct ath_hw *ah,
return true;
}
static void ar9003_hw_nf_sanitize_2g(struct ath_hw *ah, s16 *nf)
{
struct ath_common *common = ath9k_hw_common(ah);
if (*nf > ah->nf_2g_max) {
ath_print(common, ATH_DBG_CALIBRATE,
"2 GHz NF (%d) > MAX (%d), "
"correcting to MAX",
*nf, ah->nf_2g_max);
*nf = ah->nf_2g_max;
} else if (*nf < ah->nf_2g_min) {
ath_print(common, ATH_DBG_CALIBRATE,
"2 GHz NF (%d) < MIN (%d), "
"correcting to MIN",
*nf, ah->nf_2g_min);
*nf = ah->nf_2g_min;
}
}
static void ar9003_hw_nf_sanitize_5g(struct ath_hw *ah, s16 *nf)
{
struct ath_common *common = ath9k_hw_common(ah);
if (*nf > ah->nf_5g_max) {
ath_print(common, ATH_DBG_CALIBRATE,
"5 GHz NF (%d) > MAX (%d), "
"correcting to MAX",
*nf, ah->nf_5g_max);
*nf = ah->nf_5g_max;
} else if (*nf < ah->nf_5g_min) {
ath_print(common, ATH_DBG_CALIBRATE,
"5 GHz NF (%d) < MIN (%d), "
"correcting to MIN",
*nf, ah->nf_5g_min);
*nf = ah->nf_5g_min;
}
}
static void ar9003_hw_nf_sanitize(struct ath_hw *ah, s16 *nf)
{
if (IS_CHAN_2GHZ(ah->curchan))
ar9003_hw_nf_sanitize_2g(ah, nf);
else
ar9003_hw_nf_sanitize_5g(ah, nf);
}
static void ar9003_hw_do_getnf(struct ath_hw *ah,
int16_t nfarray[NUM_NF_READINGS])
{
struct ath_common *common = ath9k_hw_common(ah);
int16_t nf;
nf = MS(REG_READ(ah, AR_PHY_CCA_0), AR_PHY_MINCCA_PWR);
if (nf & 0x100)
nf = 0 - ((nf ^ 0x1ff) + 1);
ar9003_hw_nf_sanitize(ah, &nf);
ath_print(common, ATH_DBG_CALIBRATE,
"NF calibrated [ctl] [chain 0] is %d\n", nf);
nfarray[0] = nf;
nf = MS(REG_READ(ah, AR_PHY_CCA_1), AR_PHY_CH1_MINCCA_PWR);
if (nf & 0x100)
nf = 0 - ((nf ^ 0x1ff) + 1);
ar9003_hw_nf_sanitize(ah, &nf);
ath_print(common, ATH_DBG_CALIBRATE,
"NF calibrated [ctl] [chain 1] is %d\n", nf);
nfarray[1] = nf;
nf = MS(REG_READ(ah, AR_PHY_CCA_2), AR_PHY_CH2_MINCCA_PWR);
if (nf & 0x100)
nf = 0 - ((nf ^ 0x1ff) + 1);
ar9003_hw_nf_sanitize(ah, &nf);
ath_print(common, ATH_DBG_CALIBRATE,
"NF calibrated [ctl] [chain 2] is %d\n", nf);
nfarray[2] = nf;
nf = MS(REG_READ(ah, AR_PHY_EXT_CCA), AR_PHY_EXT_MINCCA_PWR);
if (nf & 0x100)
nf = 0 - ((nf ^ 0x1ff) + 1);
ar9003_hw_nf_sanitize(ah, &nf);
ath_print(common, ATH_DBG_CALIBRATE,
"NF calibrated [ext] [chain 0] is %d\n", nf);
nfarray[3] = nf;
nf = MS(REG_READ(ah, AR_PHY_EXT_CCA_1), AR_PHY_CH1_EXT_MINCCA_PWR);
if (nf & 0x100)
nf = 0 - ((nf ^ 0x1ff) + 1);
ar9003_hw_nf_sanitize(ah, &nf);
ath_print(common, ATH_DBG_CALIBRATE,
"NF calibrated [ext] [chain 1] is %d\n", nf);
nfarray[4] = nf;
nf = MS(REG_READ(ah, AR_PHY_EXT_CCA_2), AR_PHY_CH2_EXT_MINCCA_PWR);
if (nf & 0x100)
nf = 0 - ((nf ^ 0x1ff) + 1);
ar9003_hw_nf_sanitize(ah, &nf);
ath_print(common, ATH_DBG_CALIBRATE,
"NF calibrated [ext] [chain 2] is %d\n", nf);
nfarray[5] = nf;
}
void ar9003_hw_set_nf_limits(struct ath_hw *ah)
{
ah->nf_2g_max = AR_PHY_CCA_MAX_GOOD_VAL_9300_2GHZ;
ah->nf_2g_min = AR_PHY_CCA_MIN_GOOD_VAL_9300_2GHZ;
ah->nf_5g_max = AR_PHY_CCA_MAX_GOOD_VAL_9300_5GHZ;
ah->nf_5g_min = AR_PHY_CCA_MIN_GOOD_VAL_9300_5GHZ;
}
void ar9003_hw_attach_phy_ops(struct ath_hw *ah)
{
struct ath_hw_private_ops *priv_ops = ath9k_hw_private_ops(ah);
@ -723,4 +832,5 @@ void ar9003_hw_attach_phy_ops(struct ath_hw *ah)
priv_ops->enable_rfkill = ar9003_hw_enable_rfkill;
priv_ops->set_diversity = ar9003_hw_set_diversity;
priv_ops->ani_control = ar9003_hw_ani_control;
priv_ops->do_getnf = ar9003_hw_do_getnf;
}

90
drivers/net/wireless/ath/ath9k/calib.c
View file

@ -15,6 +15,7 @@
*/
#include "hw.h"
#include "hw-ops.h"
#include "ar9002_phy.h"
/* We can tune this as we go by monitoring really low values */
@ -88,95 +89,6 @@ static void ath9k_hw_update_nfcal_hist_buffer(struct ath9k_nfcal_hist *h,
return;
}
static void ath9k_hw_do_getnf(struct ath_hw *ah,
int16_t nfarray[NUM_NF_READINGS])
{
struct ath_common *common = ath9k_hw_common(ah);
int16_t nf;
if (AR_SREV_9280_10_OR_LATER(ah))
nf = MS(REG_READ(ah, AR_PHY_CCA), AR9280_PHY_MINCCA_PWR);
else
nf = MS(REG_READ(ah, AR_PHY_CCA), AR_PHY_MINCCA_PWR);
if (nf & 0x100)
nf = 0 - ((nf ^ 0x1ff) + 1);
ath_print(common, ATH_DBG_CALIBRATE,
"NF calibrated [ctl] [chain 0] is %d\n", nf);
if (AR_SREV_9271(ah) && (nf >= -114))
nf = -116;
nfarray[0] = nf;
if (!AR_SREV_9285(ah) && !AR_SREV_9271(ah)) {
if (AR_SREV_9280_10_OR_LATER(ah))
nf = MS(REG_READ(ah, AR_PHY_CH1_CCA),
AR9280_PHY_CH1_MINCCA_PWR);
else
nf = MS(REG_READ(ah, AR_PHY_CH1_CCA),
AR_PHY_CH1_MINCCA_PWR);
if (nf & 0x100)
nf = 0 - ((nf ^ 0x1ff) + 1);
ath_print(common, ATH_DBG_CALIBRATE,
"NF calibrated [ctl] [chain 1] is %d\n", nf);
nfarray[1] = nf;
if (!AR_SREV_9280(ah) && !AR_SREV_9287(ah)) {
nf = MS(REG_READ(ah, AR_PHY_CH2_CCA),
AR_PHY_CH2_MINCCA_PWR);
if (nf & 0x100)
nf = 0 - ((nf ^ 0x1ff) + 1);
ath_print(common, ATH_DBG_CALIBRATE,
"NF calibrated [ctl] [chain 2] is %d\n", nf);
nfarray[2] = nf;
}
}
if (AR_SREV_9280_10_OR_LATER(ah))
nf = MS(REG_READ(ah, AR_PHY_EXT_CCA),
AR9280_PHY_EXT_MINCCA_PWR);
else
nf = MS(REG_READ(ah, AR_PHY_EXT_CCA),
AR_PHY_EXT_MINCCA_PWR);
if (nf & 0x100)
nf = 0 - ((nf ^ 0x1ff) + 1);
ath_print(common, ATH_DBG_CALIBRATE,
"NF calibrated [ext] [chain 0] is %d\n", nf);
if (AR_SREV_9271(ah) && (nf >= -114))
nf = -116;
nfarray[3] = nf;
if (!AR_SREV_9285(ah) && !AR_SREV_9271(ah)) {
if (AR_SREV_9280_10_OR_LATER(ah))
nf = MS(REG_READ(ah, AR_PHY_CH1_EXT_CCA),
AR9280_PHY_CH1_EXT_MINCCA_PWR);
else
nf = MS(REG_READ(ah, AR_PHY_CH1_EXT_CCA),
AR_PHY_CH1_EXT_MINCCA_PWR);
if (nf & 0x100)
nf = 0 - ((nf ^ 0x1ff) + 1);
ath_print(common, ATH_DBG_CALIBRATE,
"NF calibrated [ext] [chain 1] is %d\n", nf);
nfarray[4] = nf;
if (!AR_SREV_9280(ah) && !AR_SREV_9287(ah)) {
nf = MS(REG_READ(ah, AR_PHY_CH2_EXT_CCA),
AR_PHY_CH2_EXT_MINCCA_PWR);
if (nf & 0x100)
nf = 0 - ((nf ^ 0x1ff) + 1);
ath_print(common, ATH_DBG_CALIBRATE,
"NF calibrated [ext] [chain 2] is %d\n", nf);
nfarray[5] = nf;
}
}
}
static bool getNoiseFloorThresh(struct ath_hw *ah,
enum ieee80211_band band,
int16_t *nft)

6
drivers/net/wireless/ath/ath9k/hw-ops.h
View file

@ -163,4 +163,10 @@ static inline bool ath9k_hw_ani_control(struct ath_hw *ah,
return ath9k_hw_private_ops(ah)->ani_control(ah, cmd, param);
}
static inline void ath9k_hw_do_getnf(struct ath_hw *ah,
int16_t nfarray[NUM_NF_READINGS])
{
return ath9k_hw_private_ops(ah)->do_getnf(ah, nfarray);
}
#endif /* ATH9K_HW_OPS_H */

3
drivers/net/wireless/ath/ath9k/hw.c
View file

@ -1071,6 +1071,9 @@ static int __ath9k_hw_init(struct ath_hw *ah)
else
ah->tx_trig_level = (AR_FTRIG_512B >> AR_FTRIG_S);
if (AR_SREV_9300_20_OR_LATER(ah))
ar9003_hw_set_nf_limits(ah);
ath9k_init_nfcal_hist_buffer(ah);
common->state = ATH_HW_INITIALIZED;

12
drivers/net/wireless/ath/ath9k/hw.h
View file

@ -513,6 +513,7 @@ struct ath_hw_private_ops {
struct ath9k_channel *chan);
bool (*ani_control)(struct ath_hw *ah, enum ath9k_ani_cmd cmd,
int param);
void (*do_getnf)(struct ath_hw *ah, int16_t nfarray[NUM_NF_READINGS]);
};
/**
@ -553,6 +554,10 @@ struct ath_hw {
bool is_pciexpress;
bool need_an_top2_fixup;
u16 tx_trig_level;
s16 nf_2g_max;
s16 nf_2g_min;
s16 nf_5g_max;
s16 nf_5g_min;
u16 rfsilent;
u32 rfkill_gpio;
u32 rfkill_polarity;
@ -818,6 +823,13 @@ void ath9k_hw_htc_resetinit(struct ath_hw *ah);
void ath9k_hw_get_delta_slope_vals(struct ath_hw *ah, u32 coef_scaled,
u32 *coef_mantissa, u32 *coef_exponent);
/*
* Code specifric to AR9003, we stuff these here to avoid callbacks
* for older families
*/
void ar9003_hw_set_nf_limits(struct ath_hw *ah);
/* Hardware family op attach helpers */
void ar5008_hw_attach_phy_ops(struct ath_hw *ah);
void ar9002_hw_attach_phy_ops(struct ath_hw *ah);
void ar9003_hw_attach_phy_ops(struct ath_hw *ah);