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wifi: mt76: mt7996: offload radar threshold initialization

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Since some radar specifications maintained by the driver are incorrect
and are now also maintained by the firmware, offload the initialization
procedure to the firmware.
This fixes issues for radar detection rate testings.

Signed-off-by: StanleyYP Wang <StanleyYP.Wang@mediatek.com>
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
Link: https://patch.msgid.link/20251215063728.3013365-5-shayne.chen@mediatek.com
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
StanleyYP Wang 2025-12-15 14:37:26 +08:00 committed by Felix Fietkau
parent fdce55c038
commit 956d2e65da
2 changed files with 0 additions and 82 deletions
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77
drivers/net/wireless/mediatek/mt76/mt7996/mac.c
View File

@ -13,45 +13,6 @@
#define to_rssi(field, rcpi) ((FIELD_GET(field, rcpi) - 220) / 2)
static const struct mt7996_dfs_radar_spec etsi_radar_specs = {
.pulse_th = { 110, -10, -80, 40, 5200, 128, 5200 },
.radar_pattern = {
[5] = { 1, 0, 6, 32, 28, 0, 990, 5010, 17, 1, 1 },
[6] = { 1, 0, 9, 32, 28, 0, 615, 5010, 27, 1, 1 },
[7] = { 1, 0, 15, 32, 28, 0, 240, 445, 27, 1, 1 },
[8] = { 1, 0, 12, 32, 28, 0, 240, 510, 42, 1, 1 },
[9] = { 1, 1, 0, 0, 0, 0, 2490, 3343, 14, 0, 0, 12, 32, 28, { }, 126 },
[10] = { 1, 1, 0, 0, 0, 0, 2490, 3343, 14, 0, 0, 15, 32, 24, { }, 126 },
[11] = { 1, 1, 0, 0, 0, 0, 823, 2510, 14, 0, 0, 18, 32, 28, { }, 54 },
[12] = { 1, 1, 0, 0, 0, 0, 823, 2510, 14, 0, 0, 27, 32, 24, { }, 54 },
},
};
static const struct mt7996_dfs_radar_spec fcc_radar_specs = {
.pulse_th = { 110, -10, -80, 40, 5200, 128, 5200 },
.radar_pattern = {
[0] = { 1, 0, 8, 32, 28, 0, 508, 3076, 13, 1, 1 },
[1] = { 1, 0, 12, 32, 28, 0, 140, 240, 17, 1, 1 },
[2] = { 1, 0, 8, 32, 28, 0, 190, 510, 22, 1, 1 },
[3] = { 1, 0, 6, 32, 28, 0, 190, 510, 32, 1, 1 },
[4] = { 1, 0, 9, 255, 28, 0, 323, 343, 13, 1, 32 },
},
};
static const struct mt7996_dfs_radar_spec jp_radar_specs = {
.pulse_th = { 110, -10, -80, 40, 5200, 128, 5200 },
.radar_pattern = {
[0] = { 1, 0, 8, 32, 28, 0, 508, 3076, 13, 1, 1 },
[1] = { 1, 0, 12, 32, 28, 0, 140, 240, 17, 1, 1 },
[2] = { 1, 0, 8, 32, 28, 0, 190, 510, 22, 1, 1 },
[3] = { 1, 0, 6, 32, 28, 0, 190, 510, 32, 1, 1 },
[4] = { 1, 0, 9, 255, 28, 0, 323, 343, 13, 1, 32 },
[13] = { 1, 0, 7, 32, 28, 0, 3836, 3856, 14, 1, 1 },
[14] = { 1, 0, 6, 32, 28, 0, 615, 5010, 110, 1, 1 },
[15] = { 1, 1, 0, 0, 0, 0, 15, 5010, 110, 0, 0, 12, 32, 28 },
},
};
static struct mt76_wcid *mt7996_rx_get_wcid(struct mt7996_dev *dev,
u16 idx, u8 band_idx)
{
@ -3011,40 +2972,6 @@ static int mt7996_dfs_start_radar_detector(struct mt7996_phy *phy)
return err;
}
static int
mt7996_dfs_init_radar_specs(struct mt7996_phy *phy)
{
const struct mt7996_dfs_radar_spec *radar_specs;
struct mt7996_dev *dev = phy->dev;
int err, i;
switch (dev->mt76.region) {
case NL80211_DFS_FCC:
radar_specs = &fcc_radar_specs;
err = mt7996_mcu_set_fcc5_lpn(dev, 8);
if (err < 0)
return err;
break;
case NL80211_DFS_ETSI:
radar_specs = &etsi_radar_specs;
break;
case NL80211_DFS_JP:
radar_specs = &jp_radar_specs;
break;
default:
return -EINVAL;
}
for (i = 0; i < ARRAY_SIZE(radar_specs->radar_pattern); i++) {
err = mt7996_mcu_set_radar_th(dev, i,
&radar_specs->radar_pattern[i]);
if (err < 0)
return err;
}
return mt7996_mcu_set_pulse_th(dev, &radar_specs->pulse_th);
}
int mt7996_dfs_init_radar_detector(struct mt7996_phy *phy)
{
struct mt7996_dev *dev = phy->dev;
@ -3064,10 +2991,6 @@ int mt7996_dfs_init_radar_detector(struct mt7996_phy *phy)
goto stop;
if (prev_state <= MT_DFS_STATE_DISABLED) {
err = mt7996_dfs_init_radar_specs(phy);
if (err < 0)
return err;
err = mt7996_dfs_start_radar_detector(phy);
if (err < 0)
return err;

5
drivers/net/wireless/mediatek/mt76/mt7996/mac.h
View File

@ -37,9 +37,4 @@ struct mt7996_dfs_pattern {
u32 min_stgpr_diff;
} __packed;
struct mt7996_dfs_radar_spec {
struct mt7996_dfs_pulse pulse_th;
struct mt7996_dfs_pattern radar_pattern[16];
};
#endif