Support tx_power setting in testmode. Note that the tx power value of
antenna 1-3 equal to antenna 0.
Reviewed-by: Ryder Lee <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
---
.../wireless/mediatek/mt76/mt7915/testmode.c | 100 ++++++++++++++++++
1 file changed, 100 insertions(+)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/testmode.c b/drivers/net/wireless/mediatek/mt76/mt7915/testmode.c
index cc5ab98..339f47a 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/testmode.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/testmode.c
@@ -6,6 +6,17 @@
#include "mcu.h"
#include "testmode.h"
+enum {
+ TM_CHANGED_TXPOWER,
+
+ /* must be last */
+ NUM_TM_CHANGED
+};
+
+static const u8 tm_change_map[] = {
+ [TM_CHANGED_TXPOWER] = MT76_TM_ATTR_TX_POWER,
+};
+
struct reg_band {
u32 band[2];
};
@@ -33,6 +44,42 @@ static const struct reg_band reg_backup_list[] = {
REG_BAND_IDX(ARB_DRNGR0, 1),
};
+static int
+mt7915_tm_set_tx_power(struct mt7915_phy *phy)
+{
+ struct mt7915_dev *dev = phy->dev;
+ struct mt76_phy *mphy = phy->mt76;
+ struct cfg80211_chan_def *chandef = &mphy->chandef;
+ int freq = chandef->center_freq1;
+ int ret;
+ struct {
+ u8 format_id;
+ u8 dbdc_idx;
+ s8 tx_power;
+ u8 ant_idx; /* Only 0 is valid */
+ u8 center_chan;
+ u8 rsv[3];
+ } __packed req = {
+ .format_id = 0xf,
+ .dbdc_idx = phy != &dev->phy,
+ .center_chan = ieee80211_frequency_to_channel(freq),
+ };
+ u8 *tx_power = NULL;
+
+ if (dev->mt76.test.state != MT76_TM_STATE_OFF)
+ tx_power = dev->mt76.test.tx_power;
+
+ /* Tx power of the other antennas are the same as antenna 0 */
+ if (tx_power && tx_power[0])
+ req.tx_power = tx_power[0];
+
+ ret = mt76_mcu_send_msg(&dev->mt76,
+ MCU_EXT_CMD_TX_POWER_FEATURE_CTRL,
+ &req, sizeof(req), false);
+
+ return ret;
+}
+
static int
mt7915_tm_mode_ctrl(struct mt7915_dev *dev, bool enable)
{
@@ -196,6 +243,13 @@ mt7915_tm_set_rx_frames(struct mt7915_dev *dev, bool en)
mt7915_tm_set_trx(dev, &dev->phy, TM_MAC_RX_RXV, en);
}
+static void
+mt7915_tm_update_params(struct mt7915_dev *dev, u32 changed)
+{
+ if (changed & BIT(TM_CHANGED_TXPOWER))
+ mt7915_tm_set_tx_power(&dev->phy);
+}
+
static int
mt7915_tm_set_state(struct mt76_dev *mdev, enum mt76_testmode_state state)
{
@@ -216,6 +270,51 @@ mt7915_tm_set_state(struct mt76_dev *mdev, enum mt76_testmode_state state)
else if (prev_state == MT76_TM_STATE_OFF || state == MT76_TM_STATE_OFF)
mt7915_tm_init(dev);
+ if ((state == MT76_TM_STATE_IDLE &&
+ prev_state == MT76_TM_STATE_OFF) ||
+ (state == MT76_TM_STATE_OFF &&
+ prev_state == MT76_TM_STATE_IDLE)) {
+ u32 changed = 0;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(tm_change_map); i++) {
+ u16 cur = tm_change_map[i];
+
+ if (td->param_set[cur / 32] & BIT(cur % 32))
+ changed |= BIT(i);
+ }
+
+ mt7915_tm_update_params(dev, changed);
+ }
+
+ return 0;
+}
+
+static int
+mt7915_tm_set_params(struct mt76_dev *mdev, struct nlattr **tb,
+ enum mt76_testmode_state new_state)
+{
+ struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76);
+ struct mt76_testmode_data *td = &dev->mt76.test;
+ u32 changed = 0;
+ int i;
+
+ BUILD_BUG_ON(NUM_TM_CHANGED >= 32);
+
+ if (new_state == MT76_TM_STATE_OFF ||
+ td->state == MT76_TM_STATE_OFF)
+ return 0;
+
+ if (td->tx_antenna_mask & ~dev->phy.chainmask)
+ return -EINVAL;
+
+ for (i = 0; i < ARRAY_SIZE(tm_change_map); i++) {
+ if (tb[tm_change_map[i]])
+ changed |= BIT(i);
+ }
+
+ mt7915_tm_update_params(dev, changed);
+
return 0;
}
@@ -273,5 +372,6 @@ mt7915_tm_dump_stats(struct mt76_dev *mdev, struct sk_buff *msg)
const struct mt76_testmode_ops mt7915_testmode_ops = {
.set_state = mt7915_tm_set_state,
+ .set_params = mt7915_tm_set_params,
.dump_stats = mt7915_tm_dump_stats,
};
--
2.17.1