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path: root/drivers/net/wireless/ath/carl9170/phy.c
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Diffstat (limited to 'drivers/net/wireless/ath/carl9170/phy.c')
-rw-r--r--drivers/net/wireless/ath/carl9170/phy.c151
1 files changed, 43 insertions, 108 deletions
diff --git a/drivers/net/wireless/ath/carl9170/phy.c b/drivers/net/wireless/ath/carl9170/phy.c
index b6b0de60050..ab4ee7d39ad 100644
--- a/drivers/net/wireless/ath/carl9170/phy.c
+++ b/drivers/net/wireless/ath/carl9170/phy.c
@@ -427,7 +427,7 @@ static u32 carl9170_def_val(u32 reg, bool is_2ghz, bool is_40mhz)
/*
* initialize some phy regs from eeprom values in modal_header[]
- * acc. to band and bandwith
+ * acc. to band and bandwidth
*/
static int carl9170_init_phy_from_eeprom(struct ar9170 *ar,
bool is_2ghz, bool is_40mhz)
@@ -578,11 +578,10 @@ static int carl9170_init_phy(struct ar9170 *ar, enum ieee80211_band band)
if (err)
return err;
- /* XXX: remove magic! */
- if (is_2ghz)
- err = carl9170_write_reg(ar, AR9170_PWR_REG_PLL_ADDAC, 0x5163);
- else
- err = carl9170_write_reg(ar, AR9170_PWR_REG_PLL_ADDAC, 0x5143);
+ if (!ar->fw.hw_counters) {
+ err = carl9170_write_reg(ar, AR9170_PWR_REG_PLL_ADDAC,
+ is_2ghz ? 0x5163 : 0x5143);
+ }
return err;
}
@@ -1098,7 +1097,7 @@ static u8 carl9170_interpolate_u8(u8 x, u8 x1, u8 y1, u8 x2, u8 y2)
* Isn't it just DIV_ROUND_UP(y, 1<<SHIFT)?
* Can we rely on the compiler to optimise away the div?
*/
- return (y >> SHIFT) + ((y & (1<<(SHIFT-1))) >> (SHIFT - 1));
+ return (y >> SHIFT) + ((y & (1 << (SHIFT - 1))) >> (SHIFT - 1));
#undef SHIFT
}
@@ -1332,7 +1331,7 @@ static void carl9170_calc_ctl(struct ar9170 *ar, u32 freq, enum carl9170_bw bw)
* CTL_ETSI for 2GHz and CTL_FCC for 5GHz.
*/
ctl_grp = ath_regd_get_band_ctl(&ar->common.regulatory,
- ar->hw->conf.channel->band);
+ ar->hw->conf.chandef.chan->band);
/* ctl group not found - either invalid band (NO_CTL) or ww roaming */
if (ctl_grp == NO_CTL || ctl_grp == SD_NO_CTL)
@@ -1342,7 +1341,7 @@ static void carl9170_calc_ctl(struct ar9170 *ar, u32 freq, enum carl9170_bw bw)
/* skip CTL and heavy clip for CTL_MKK and CTL_ETSI */
return;
- if (ar->hw->conf.channel->band == IEEE80211_BAND_2GHZ) {
+ if (ar->hw->conf.chandef.chan->band == IEEE80211_BAND_2GHZ) {
modes = mode_list_2ghz;
nr_modes = ARRAY_SIZE(mode_list_2ghz);
} else {
@@ -1379,7 +1378,7 @@ static void carl9170_calc_ctl(struct ar9170 *ar, u32 freq, enum carl9170_bw bw)
modes[i].max_power =
carl9170_get_max_edge_power(ar,
- freq+f_off, EDGES(ctl_idx, 1));
+ freq + f_off, EDGES(ctl_idx, 1));
/*
* TODO: check if the regulatory max. power is
@@ -1427,21 +1426,21 @@ static void carl9170_calc_ctl(struct ar9170 *ar, u32 freq, enum carl9170_bw bw)
#undef EDGES
}
-static int carl9170_set_power_cal(struct ar9170 *ar, u32 freq,
- enum carl9170_bw bw)
+static void carl9170_set_power_cal(struct ar9170 *ar, u32 freq,
+ enum carl9170_bw bw)
{
struct ar9170_calibration_target_power_legacy *ctpl;
struct ar9170_calibration_target_power_ht *ctph;
u8 *ctpres;
int ntargets;
int idx, i, n;
- u8 ackpower, ackchains, f;
+ u8 f;
u8 pwr_freqs[AR5416_MAX_NUM_TGT_PWRS];
if (freq < 3000)
f = freq - 2300;
else
- f = (freq - 4800)/5;
+ f = (freq - 4800) / 5;
/*
* cycle through the various modes
@@ -1524,32 +1523,6 @@ static int carl9170_set_power_cal(struct ar9170 *ar, u32 freq,
/* calc. conformance test limits and apply to ar->power*[] */
carl9170_calc_ctl(ar, freq, bw);
-
- /* set ACK/CTS TX power */
- carl9170_regwrite_begin(ar);
-
- if (ar->eeprom.tx_mask != 1)
- ackchains = AR9170_TX_PHY_TXCHAIN_2;
- else
- ackchains = AR9170_TX_PHY_TXCHAIN_1;
-
- if (freq < 3000)
- ackpower = ar->power_2G_ofdm[0] & 0x3f;
- else
- ackpower = ar->power_5G_leg[0] & 0x3f;
-
- carl9170_regwrite(AR9170_MAC_REG_ACK_TPC,
- 0x3c1e | ackpower << 20 | ackchains << 26);
- carl9170_regwrite(AR9170_MAC_REG_RTS_CTS_TPC,
- ackpower << 5 | ackchains << 11 |
- ackpower << 21 | ackchains << 27);
-
- carl9170_regwrite(AR9170_MAC_REG_CFEND_QOSNULL_TPC,
- ackpower << 5 | ackchains << 11 |
- ackpower << 21 | ackchains << 27);
-
- carl9170_regwrite_finish();
- return carl9170_regwrite_result();
}
int carl9170_get_noisefloor(struct ar9170 *ar)
@@ -1574,6 +1547,9 @@ int carl9170_get_noisefloor(struct ar9170 *ar)
AR9170_PHY_EXT_CCA_MIN_PWR, phy_res[i + 2]), 8);
}
+ if (ar->channel)
+ ar->survey[ar->channel->hw_value].noise = ar->noise[0];
+
return 0;
}
@@ -1593,16 +1569,14 @@ static enum carl9170_bw nl80211_to_carl(enum nl80211_channel_type type)
}
int carl9170_set_channel(struct ar9170 *ar, struct ieee80211_channel *channel,
- enum nl80211_channel_type _bw,
- enum carl9170_rf_init_mode rfi)
+ enum nl80211_channel_type _bw)
{
const struct carl9170_phy_freq_params *freqpar;
struct carl9170_rf_init_result rf_res;
struct carl9170_rf_init rf;
- u32 cmd, tmp, offs = 0, new_ht = 0;
+ u32 tmp, offs = 0, new_ht = 0;
int err;
enum carl9170_bw bw;
- bool warm_reset;
struct ieee80211_channel *old_channel = NULL;
bw = nl80211_to_carl(_bw);
@@ -1616,51 +1590,27 @@ int carl9170_set_channel(struct ar9170 *ar, struct ieee80211_channel *channel,
/* may be NULL at first setup */
if (ar->channel) {
old_channel = ar->channel;
- warm_reset = (old_channel->band != channel->band) ||
- (old_channel->center_freq ==
- channel->center_freq) ||
- (ar->ht_settings != new_ht);
-
ar->channel = NULL;
- } else {
- warm_reset = true;
}
- /* HW workaround */
- if (!ar->hw->wiphy->bands[IEEE80211_BAND_5GHZ] &&
- channel->center_freq <= 2417)
- warm_reset = true;
-
- if (rfi != CARL9170_RFI_NONE || warm_reset) {
- u32 val;
-
- if (rfi == CARL9170_RFI_COLD)
- val = AR9170_PWR_RESET_BB_COLD_RESET;
- else
- val = AR9170_PWR_RESET_BB_WARM_RESET;
-
- /* warm/cold reset BB/ADDA */
- err = carl9170_write_reg(ar, AR9170_PWR_REG_RESET, val);
- if (err)
- return err;
-
- err = carl9170_write_reg(ar, AR9170_PWR_REG_RESET, 0x0);
- if (err)
- return err;
+ /* cold reset BB/ADDA */
+ err = carl9170_write_reg(ar, AR9170_PWR_REG_RESET,
+ AR9170_PWR_RESET_BB_COLD_RESET);
+ if (err)
+ return err;
- err = carl9170_init_phy(ar, channel->band);
- if (err)
- return err;
+ err = carl9170_write_reg(ar, AR9170_PWR_REG_RESET, 0x0);
+ if (err)
+ return err;
- err = carl9170_init_rf_banks_0_7(ar,
- channel->band == IEEE80211_BAND_5GHZ);
- if (err)
- return err;
+ err = carl9170_init_phy(ar, channel->band);
+ if (err)
+ return err;
- cmd = CARL9170_CMD_RF_INIT;
- } else {
- cmd = CARL9170_CMD_FREQUENCY;
- }
+ err = carl9170_init_rf_banks_0_7(ar,
+ channel->band == IEEE80211_BAND_5GHZ);
+ if (err)
+ return err;
err = carl9170_exec_cmd(ar, CARL9170_CMD_FREQ_START, 0, NULL, 0, NULL);
if (err)
@@ -1672,8 +1622,8 @@ int carl9170_set_channel(struct ar9170 *ar, struct ieee80211_channel *channel,
return err;
err = carl9170_init_rf_bank4_pwr(ar,
- channel->band == IEEE80211_BAND_5GHZ,
- channel->center_freq, bw);
+ channel->band == IEEE80211_BAND_5GHZ,
+ channel->center_freq, bw);
if (err)
return err;
@@ -1710,7 +1660,9 @@ int carl9170_set_channel(struct ar9170 *ar, struct ieee80211_channel *channel,
if (err)
return err;
- err = carl9170_set_power_cal(ar, channel->center_freq, bw);
+ carl9170_set_power_cal(ar, channel->center_freq, bw);
+
+ err = carl9170_set_mac_tpc(ar, channel);
if (err)
return err;
@@ -1725,13 +1677,8 @@ int carl9170_set_channel(struct ar9170 *ar, struct ieee80211_channel *channel,
rf.delta_slope_coeff_man = cpu_to_le32(freqpar->coeff_man);
rf.delta_slope_coeff_exp_shgi = cpu_to_le32(freqpar->coeff_exp_shgi);
rf.delta_slope_coeff_man_shgi = cpu_to_le32(freqpar->coeff_man_shgi);
-
- if (rfi != CARL9170_RFI_NONE)
- rf.finiteLoopCount = cpu_to_le32(2000);
- else
- rf.finiteLoopCount = cpu_to_le32(1000);
-
- err = carl9170_exec_cmd(ar, cmd, sizeof(rf), &rf,
+ rf.finiteLoopCount = cpu_to_le32(2000);
+ err = carl9170_exec_cmd(ar, CARL9170_CMD_RF_INIT, sizeof(rf), &rf,
sizeof(rf_res), &rf_res);
if (err)
return err;
@@ -1746,9 +1693,8 @@ int carl9170_set_channel(struct ar9170 *ar, struct ieee80211_channel *channel,
old_channel->center_freq : -1, channel->center_freq,
err);
- if ((rfi == CARL9170_RFI_COLD) || (ar->chan_fail > 3)) {
- /*
- * We have tried very hard to change to _another_
+ if (ar->chan_fail > 3) {
+ /* We have tried very hard to change to _another_
* channel and we've failed to do so!
* Chances are that the PHY/RF is no longer
* operable (due to corruptions/fatal events/bugs?)
@@ -1758,18 +1704,13 @@ int carl9170_set_channel(struct ar9170 *ar, struct ieee80211_channel *channel,
return 0;
}
- err = carl9170_set_channel(ar, channel, _bw,
- CARL9170_RFI_COLD);
+ err = carl9170_set_channel(ar, channel, _bw);
if (err)
return err;
} else {
ar->chan_fail = 0;
}
- err = carl9170_get_noisefloor(ar);
- if (err)
- return err;
-
if (ar->heavy_clip) {
err = carl9170_write_reg(ar, AR9170_PHY_REG_HEAVY_CLIP_ENABLE,
0x200 | ar->heavy_clip);
@@ -1783,12 +1724,6 @@ int carl9170_set_channel(struct ar9170 *ar, struct ieee80211_channel *channel,
}
}
- /* FIXME: PSM does not work in 5GHz Band */
- if (channel->band == IEEE80211_BAND_5GHZ)
- ar->ps.off_override |= PS_OFF_5GHZ;
- else
- ar->ps.off_override &= ~PS_OFF_5GHZ;
-
ar->channel = channel;
ar->ht_settings = new_ht;
return 0;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 16:31:14 +0000