#include "mt7615.h"
#include "eeprom.h"
#include "mcu.h"
enum {
TM_CHANGED_TXPOWER_CTRL,
TM_CHANGED_TXPOWER,
TM_CHANGED_FREQ_OFFSET,
NUM_TM_CHANGED
};
static const u8 tm_change_map[] = {
[TM_CHANGED_TXPOWER_CTRL] = MT76_TM_ATTR_TX_POWER_CONTROL,
[TM_CHANGED_TXPOWER] = MT76_TM_ATTR_TX_POWER,
[TM_CHANGED_FREQ_OFFSET] = MT76_TM_ATTR_FREQ_OFFSET,
};
static const u32 reg_backup_list[] = {
MT_WF_PHY_RFINTF3_0(0),
MT_WF_PHY_RFINTF3_0(1),
MT_WF_PHY_RFINTF3_0(2),
MT_WF_PHY_RFINTF3_0(3),
MT_ANT_SWITCH_CON(2),
MT_ANT_SWITCH_CON(3),
MT_ANT_SWITCH_CON(4),
MT_ANT_SWITCH_CON(6),
MT_ANT_SWITCH_CON(7),
MT_ANT_SWITCH_CON(8),
};
static const struct {
u16 wf;
u16 reg;
} rf_backup_list[] = {
{ 0, 0x48 },
{ 1, 0x48 },
{ 2, 0x48 },
{ 3, 0x48 },
};
static int
mt7615_tm_set_tx_power(struct mt7615_phy *phy)
{
struct mt7615_dev *dev = phy->dev;
struct mt76_phy *mphy = phy->mt76;
int i, ret, n_chains = hweight8(mphy->antenna_mask);
struct cfg80211_chan_def *chandef = &mphy->chandef;
int freq = chandef->center_freq1, len, target_chains;
u8 *data, *eep = (u8 *)dev->mt76.eeprom.data;
enum nl80211_band band = chandef->chan->band;
struct sk_buff *skb;
struct {
u8 center_chan;
u8 dbdc_idx;
u8 band;
u8 rsv;
} __packed req_hdr = {
.center_chan = ieee80211_frequency_to_channel(freq),
.band = band,
.dbdc_idx = phy != &dev->phy,
};
u8 *tx_power = NULL;
if (mphy->test.state != MT76_TM_STATE_OFF)
tx_power = mphy->test.tx_power;
len = MT7615_EE_MAX - MT_EE_NIC_CONF_0;
skb = mt76_mcu_msg_alloc(&dev->mt76, NULL, sizeof(req_hdr) + len);
if (!skb)
return -ENOMEM;
skb_put_data(skb, &req_hdr, sizeof(req_hdr));
data = skb_put_data(skb, eep + MT_EE_NIC_CONF_0, len);
target_chains = mt7615_ext_pa_enabled(dev, band) ? 1 : n_chains;
for (i = 0; i < target_chains; i++) {
ret = mt7615_eeprom_get_target_power_index(dev, chandef->chan, i);
if (ret < 0) {
dev_kfree_skb(skb);
return -EINVAL;
}
if (tx_power && tx_power[i])
data[ret - MT_EE_NIC_CONF_0] = tx_power[i];
}
return mt76_mcu_skb_send_msg(&dev->mt76, skb,
MCU_EXT_CMD(SET_TX_POWER_CTRL), false);
}
static void
mt7615_tm_reg_backup_restore(struct mt7615_phy *phy)
{
struct mt7615_dev *dev = phy->dev;
u32 *b = phy->test.reg_backup;
int n_regs = ARRAY_SIZE(reg_backup_list);
int n_rf_regs = ARRAY_SIZE(rf_backup_list);
int i;
if (phy->mt76->test.state == MT76_TM_STATE_OFF) {
for (i = 0; i < n_regs; i++)
mt76_wr(dev, reg_backup_list[i], b[i]);
for (i = 0; i < n_rf_regs; i++)
mt7615_rf_wr(dev, rf_backup_list[i].wf,
rf_backup_list[i].reg, b[n_regs + i]);
return;
}
if (b)
return;
b = devm_kzalloc(dev->mt76.dev, 4 * (n_regs + n_rf_regs),
GFP_KERNEL);
if (!b)
return;
phy->test.reg_backup = b;
for (i = 0; i < n_regs; i++)
b[i] = mt76_rr(dev, reg_backup_list[i]);
for (i = 0; i < n_rf_regs; i++)
b[n_regs + i] = mt7615_rf_rr(dev, rf_backup_list[i].wf,
rf_backup_list[i].reg);
}
static void
mt7615_tm_init(struct mt7615_phy *phy)
{
struct mt7615_dev *dev = phy->dev;
unsigned int total_flags = ~0;
if (!test_bit(MT76_STATE_RUNNING, &phy->mt76->state))
return;
mt7615_mcu_set_sku_en(phy, phy->mt76->test.state == MT76_TM_STATE_OFF);
mutex_unlock(&dev->mt76.mutex);
mt76_update_channel(phy->mt76);
mt7615_ops.configure_filter(phy->mt76->hw, 0, &total_flags, 0);
mutex_lock(&dev->mt76.mutex);
mt7615_tm_reg_backup_restore(phy);
}
static void
mt7615_tm_set_rx_enable(struct mt7615_dev *dev, bool en)
{
u32 rqcr_mask = (MT_ARB_RQCR_RX_START |
MT_ARB_RQCR_RXV_START |
MT_ARB_RQCR_RXV_R_EN |
MT_ARB_RQCR_RXV_T_EN) *
(BIT(0) | BIT(MT_ARB_RQCR_BAND_SHIFT));
if (en) {
mt76_clear(dev, MT_ARB_SCR,
MT_ARB_SCR_RX0_DISABLE | MT_ARB_SCR_RX1_DISABLE);
mt76_set(dev, MT_ARB_RQCR, rqcr_mask);
} else {
mt76_set(dev, MT_ARB_SCR,
MT_ARB_SCR_RX0_DISABLE | MT_ARB_SCR_RX1_DISABLE);
mt76_clear(dev, MT_ARB_RQCR, rqcr_mask);
}
}
static void
mt7615_tm_set_tx_antenna(struct mt7615_phy *phy, bool en)
{
struct mt7615_dev *dev = phy->dev;
struct mt76_testmode_data *td = &phy->mt76->test;
u8 mask = td->tx_antenna_mask;
int i;
if (!mask)
return;
if (!en)
mask = phy->mt76->chainmask;
for (i = 0; i < 4; i++) {
mt76_rmw_field(dev, MT_WF_PHY_RFINTF3_0(i),
MT_WF_PHY_RFINTF3_0_ANT,
(mask & BIT(i)) ? 0 : 0xa);
}
mt76_rmw_field(dev, MT_ANT_SWITCH_CON(3), MT_ANT_SWITCH_CON_MODE(0),
(mask & BIT(0)) ? 0x8 : 0x1b);
mt76_rmw_field(dev, MT_ANT_SWITCH_CON(4), MT_ANT_SWITCH_CON_MODE(2),
(mask & BIT(1)) ? 0xe : 0x1b);
mt76_rmw_field(dev, MT_ANT_SWITCH_CON(6), MT_ANT_SWITCH_CON_MODE1(0),
(mask & BIT(2)) ? 0x0 : 0xf);
mt76_rmw_field(dev, MT_ANT_SWITCH_CON(7), MT_ANT_SWITCH_CON_MODE1(2),
(mask & BIT(3)) ? 0x6 : 0xf);
mt76_rmw_field(dev, MT_ANT_SWITCH_CON(4), MT_ANT_SWITCH_CON_MODE(1),
(mask & BIT(0)) ? 0xd : 0x1b);
mt76_rmw_field(dev, MT_ANT_SWITCH_CON(2), MT_ANT_SWITCH_CON_MODE(3),
(mask & BIT(1)) ? 0x13 : 0x1b);
mt76_rmw_field(dev, MT_ANT_SWITCH_CON(7), MT_ANT_SWITCH_CON_MODE1(1),
(mask & BIT(2)) ? 0x5 : 0xf);
mt76_rmw_field(dev, MT_ANT_SWITCH_CON(8), MT_ANT_SWITCH_CON_MODE1(3),
(mask & BIT(3)) ? 0xb : 0xf);
for (i = 0; i < 4; i++) {
u32 val;
val = mt7615_rf_rr(dev, i, 0x48);
val &= ~(0x3ff << 20);
if (mask & BIT(i))
val |= 3 << 20;
else
val |= (2 << 28) | (2 << 26) | (8 << 20);
mt7615_rf_wr(dev, i, 0x48, val);
}
}
static void
mt7615_tm_set_tx_frames(struct mt7615_phy *phy, bool en)
{
struct mt7615_dev *dev = phy->dev;
struct ieee80211_tx_info *info;
struct sk_buff *skb = phy->mt76->test.tx_skb;
mt7615_mcu_set_chan_info(phy, MCU_EXT_CMD(SET_RX_PATH));
mt7615_tm_set_tx_antenna(phy, en);
mt7615_tm_set_rx_enable(dev, !en);
if (!en || !skb)
return;
info = IEEE80211_SKB_CB(skb);
info->control.vif = phy->monitor_vif;
}
static void
mt7615_tm_update_params(struct mt7615_phy *phy, u32 changed)
{
struct mt7615_dev *dev = phy->dev;
struct mt76_testmode_data *td = &phy->mt76->test;
bool en = phy->mt76->test.state != MT76_TM_STATE_OFF;
if (changed & BIT(TM_CHANGED_TXPOWER_CTRL))
mt7615_mcu_set_test_param(dev, MCU_ATE_SET_TX_POWER_CONTROL,
en, en && td->tx_power_control);
if (changed & BIT(TM_CHANGED_FREQ_OFFSET))
mt7615_mcu_set_test_param(dev, MCU_ATE_SET_FREQ_OFFSET,
en, en ? td->freq_offset : 0);
if (changed & BIT(TM_CHANGED_TXPOWER))
mt7615_tm_set_tx_power(phy);
}
static int
mt7615_tm_set_state(struct mt76_phy *mphy, enum mt76_testmode_state state)
{
struct mt7615_phy *phy = mphy->priv;
struct mt76_testmode_data *td = &mphy->test;
enum mt76_testmode_state prev_state = td->state;
mphy->test.state = state;
if (prev_state == MT76_TM_STATE_TX_FRAMES)
mt7615_tm_set_tx_frames(phy, false);
else if (state == MT76_TM_STATE_TX_FRAMES)
mt7615_tm_set_tx_frames(phy, true);
if (state <= MT76_TM_STATE_IDLE)
mt7615_tm_init(phy);
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);
}
mt7615_tm_update_params(phy, changed);
}
return 0;
}
static int
mt7615_tm_set_params(struct mt76_phy *mphy, struct nlattr **tb,
enum mt76_testmode_state new_state)
{
struct mt76_testmode_data *td = &mphy->test;
struct mt7615_phy *phy = mphy->priv;
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 & ~mphy->chainmask)
return -EINVAL;
for (i = 0; i < ARRAY_SIZE(tm_change_map); i++) {
if (tb[tm_change_map[i]])
changed |= BIT(i);
}
mt7615_tm_update_params(phy, changed);
return 0;
}
static int
mt7615_tm_dump_stats(struct mt76_phy *mphy, struct sk_buff *msg)
{
struct mt7615_phy *phy = mphy->priv;
void *rx, *rssi;
int i;
rx = nla_nest_start(msg, MT76_TM_STATS_ATTR_LAST_RX);
if (!rx)
return -ENOMEM;
if (nla_put_s32(msg, MT76_TM_RX_ATTR_FREQ_OFFSET, phy->test.last_freq_offset))
return -ENOMEM;
rssi = nla_nest_start(msg, MT76_TM_RX_ATTR_RCPI);
if (!rssi)
return -ENOMEM;
for (i = 0; i < ARRAY_SIZE(phy->test.last_rcpi); i++)
if (nla_put_u8(msg, i, phy->test.last_rcpi[i]))
return -ENOMEM;
nla_nest_end(msg, rssi);
rssi = nla_nest_start(msg, MT76_TM_RX_ATTR_IB_RSSI);
if (!rssi)
return -ENOMEM;
for (i = 0; i < ARRAY_SIZE(phy->test.last_ib_rssi); i++)
if (nla_put_s8(msg, i, phy->test.last_ib_rssi[i]))
return -ENOMEM;
nla_nest_end(msg, rssi);
rssi = nla_nest_start(msg, MT76_TM_RX_ATTR_WB_RSSI);
if (!rssi)
return -ENOMEM;
for (i = 0; i < ARRAY_SIZE(phy->test.last_wb_rssi); i++)
if (nla_put_s8(msg, i, phy->test.last_wb_rssi[i]))
return -ENOMEM;
nla_nest_end(msg, rssi);
nla_nest_end(msg, rx);
return 0;
}
const struct mt76_testmode_ops mt7615_testmode_ops = {
.set_state = mt7615_tm_set_state,
.set_params = mt7615_tm_set_params,
.dump_stats = mt7615_tm_dump_stats,
};
