In order to unify eeprom parsing between mt76x0 and mt76x2 drivers,
remove eeprom pointer dependency from mt76x0_set_tx_power_per_rate.
Moreover use mt76_rate_power to store power vs rate calibration data.
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@xxxxxxxxxx>
---
.../wireless/mediatek/mt76/mt76x0/debugfs.c | 32 ++--
.../wireless/mediatek/mt76/mt76x0/eeprom.c | 142 +++++++++---------
.../wireless/mediatek/mt76/mt76x0/eeprom.h | 32 +---
.../net/wireless/mediatek/mt76/mt76x0/phy.c | 3 +-
.../wireless/mediatek/mt76/mt76x02_eeprom.h | 4 +-
5 files changed, 102 insertions(+), 111 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt76x0/debugfs.c
index 39c2c846f808..eb7e0db61e56 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x0/debugfs.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x0/debugfs.c
@@ -118,19 +118,6 @@ mt76x0_eeprom_param_read(struct seq_file *file, void *data)
for (i = 0; i < 58; i++)
seq_printf(file, "\t%d chan:%d pwr:%d\n", i, i,
dev->ee->tx_pwr_per_chan[i]);
-
- seq_puts(file, "Per rate power 2GHz:\n");
- for (i = 0; i < 5; i++)
- seq_printf(file, "\t %d bw20:%d bw40:%d\n",
- i, dev->ee->tx_pwr_cfg_2g[i][0],
- dev->ee->tx_pwr_cfg_5g[i][1]);
-
- seq_puts(file, "Per rate power 5GHz:\n");
- for (i = 0; i < 5; i++)
- seq_printf(file, "\t %d bw20:%d bw40:%d\n",
- i, dev->ee->tx_pwr_cfg_5g[i][0],
- dev->ee->tx_pwr_cfg_5g[i][1]);
-
return 0;
}
@@ -147,6 +134,23 @@ static const struct file_operations fops_eeprom_param = {
.release = single_release,
};
+static int mt76x0_read_txpower(struct seq_file *file, void *data)
+{
+ struct mt76x0_dev *dev = dev_get_drvdata(file->private);
+
+ mt76_seq_puts_array(file, "CCK", dev->mt76.rate_power.cck,
+ ARRAY_SIZE(dev->mt76.rate_power.cck));
+ mt76_seq_puts_array(file, "OFDM", dev->mt76.rate_power.ofdm,
+ ARRAY_SIZE(dev->mt76.rate_power.ofdm));
+ mt76_seq_puts_array(file, "STBC", dev->mt76.rate_power.stbc,
+ ARRAY_SIZE(dev->mt76.rate_power.stbc));
+ mt76_seq_puts_array(file, "HT", dev->mt76.rate_power.ht,
+ ARRAY_SIZE(dev->mt76.rate_power.ht));
+ mt76_seq_puts_array(file, "VHT", dev->mt76.rate_power.vht,
+ ARRAY_SIZE(dev->mt76.rate_power.vht));
+ return 0;
+}
+
void mt76x0_init_debugfs(struct mt76x0_dev *dev)
{
struct dentry *dir;
@@ -161,4 +165,6 @@ void mt76x0_init_debugfs(struct mt76x0_dev *dev)
debugfs_create_file("ampdu_stat", S_IRUSR, dir, dev, &fops_ampdu_stat);
debugfs_create_file("eeprom_param", S_IRUSR, dir, dev,
&fops_eeprom_param);
+ debugfs_create_devm_seqfile(dev->mt76.dev, "txpower", dir,
+ mt76x0_read_txpower);
}
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/eeprom.c b/drivers/net/wireless/mediatek/mt76/mt76x0/eeprom.c
index f9d917a7f3f5..22837d7191d3 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x0/eeprom.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x0/eeprom.c
@@ -20,6 +20,7 @@
#include <asm/unaligned.h>
#include "mt76x0.h"
#include "eeprom.h"
+#include "../mt76x02_phy.h"
#define MT_MAP_READS DIV_ROUND_UP(MT_EFUSE_USAGE_MAP_SIZE, 16)
static int
@@ -125,82 +126,88 @@ void mt76x0_read_rx_gain(struct mt76x0_dev *dev)
}
}
-static u32
-calc_bw40_power_rate(u32 value, int delta)
+static s8 mt76x0_get_delta(struct mt76_dev *dev)
{
- u32 ret = 0;
- int i, tmp;
-
- for (i = 0; i < 4; i++) {
- tmp = s6_to_int((value >> i*8) & 0xff) + delta;
- ret |= (u32)(int_to_s6(tmp)) << i*8;
- }
+ struct cfg80211_chan_def *chandef = &dev->chandef;
+ u8 val;
- return ret;
-}
+ if (mt76x02_tssi_enabled(dev))
+ return 0;
-static s8
-get_delta(u8 val)
-{
- s8 ret;
+ if (chandef->width == NL80211_CHAN_WIDTH_80) {
+ val = mt76x02_eeprom_get(dev, MT_EE_5G_TARGET_POWER) >> 8;
+ } else if (chandef->width == NL80211_CHAN_WIDTH_40) {
+ u16 data;
- if (!mt76x02_field_valid(val) || !(val & BIT(7)))
+ data = mt76x02_eeprom_get(dev, MT_EE_TX_POWER_DELTA_BW40);
+ if (chandef->chan->band == NL80211_BAND_5GHZ)
+ val = data >> 8;
+ else
+ val = data;
+ } else {
return 0;
+ }
- ret = val & 0x1f;
- if (ret > 8)
- ret = 8;
- if (val & BIT(6))
- ret = -ret;
-
- return ret;
+ return mt76x02_rate_power_val(val);
}
-static void
-mt76x0_set_tx_power_per_rate(struct mt76x0_dev *dev, u8 *eeprom)
+void mt76x0_get_tx_power_per_rate(struct mt76x0_dev *dev)
{
- s8 bw40_delta_2g, bw40_delta_5g;
- u32 val;
- int i;
-
- bw40_delta_2g = get_delta(eeprom[MT_EE_TX_POWER_DELTA_BW40]);
- bw40_delta_5g = get_delta(eeprom[MT_EE_TX_POWER_DELTA_BW40 + 1]);
-
- for (i = 0; i < 5; i++) {
- val = get_unaligned_le32(eeprom + MT_EE_TX_POWER_BYRATE(i));
-
- /* Skip last 16 bits. */
- if (i == 4)
- val &= 0x0000ffff;
-
- dev->ee->tx_pwr_cfg_2g[i][0] = val;
- dev->ee->tx_pwr_cfg_2g[i][1] = calc_bw40_power_rate(val, bw40_delta_2g);
- }
-
- /* Reading per rate tx power for 5 GHz band is a bit more complex. Note
- * we mix 16 bit and 32 bit reads and sometimes do shifts.
- */
- val = get_unaligned_le16(eeprom + 0x120);
- val <<= 16;
- dev->ee->tx_pwr_cfg_5g[0][0] = val;
- dev->ee->tx_pwr_cfg_5g[0][1] = calc_bw40_power_rate(val, bw40_delta_5g);
-
- val = get_unaligned_le32(eeprom + 0x122);
- dev->ee->tx_pwr_cfg_5g[1][0] = val;
- dev->ee->tx_pwr_cfg_5g[1][1] = calc_bw40_power_rate(val, bw40_delta_5g);
-
- val = get_unaligned_le16(eeprom + 0x126);
- dev->ee->tx_pwr_cfg_5g[2][0] = val;
- dev->ee->tx_pwr_cfg_5g[2][1] = calc_bw40_power_rate(val, bw40_delta_5g);
-
- val = get_unaligned_le16(eeprom + 0xec);
- val <<= 16;
- dev->ee->tx_pwr_cfg_5g[3][0] = val;
- dev->ee->tx_pwr_cfg_5g[3][1] = calc_bw40_power_rate(val, bw40_delta_5g);
-
- val = get_unaligned_le16(eeprom + 0xee);
- dev->ee->tx_pwr_cfg_5g[4][0] = val;
- dev->ee->tx_pwr_cfg_5g[4][1] = calc_bw40_power_rate(val, bw40_delta_5g);
+ struct ieee80211_channel *chan = dev->mt76.chandef.chan;
+ bool is_2ghz = chan->band == NL80211_BAND_2GHZ;
+ struct mt76_rate_power *t = &dev->mt76.rate_power;
+ s8 delta = mt76x0_get_delta(&dev->mt76);
+ u16 val, addr;
+
+ memset(t, 0, sizeof(*t));
+
+ /* cck 1M, 2M, 5.5M, 11M */
+ val = mt76x02_eeprom_get(&dev->mt76, MT_EE_TX_POWER_BYRATE_BASE);
+ t->cck[0] = t->cck[1] = s6_to_s8(val);
+ t->cck[2] = t->cck[3] = s6_to_s8(val >> 8);
+
+ /* ofdm 6M, 9M, 12M, 18M */
+ addr = is_2ghz ? MT_EE_TX_POWER_BYRATE_BASE + 2 : 0x120;
+ val = mt76x02_eeprom_get(&dev->mt76, addr);
+ t->ofdm[0] = t->ofdm[1] = s6_to_s8(val);
+ t->ofdm[2] = t->ofdm[3] = s6_to_s8(val >> 8);
+
+ /* ofdm 24M, 36M, 48M, 54M */
+ addr = is_2ghz ? MT_EE_TX_POWER_BYRATE_BASE + 4 : 0x122;
+ val = mt76x02_eeprom_get(&dev->mt76, addr);
+ t->ofdm[4] = t->ofdm[5] = s6_to_s8(val);
+ t->ofdm[6] = t->ofdm[7] = s6_to_s8(val >> 8);
+
+ /* ht-vht mcs 1ss 0, 1, 2, 3 */
+ addr = is_2ghz ? MT_EE_TX_POWER_BYRATE_BASE + 6 : 0x124;
+ val = mt76x02_eeprom_get(&dev->mt76, addr);
+ t->ht[0] = t->ht[1] = t->vht[0] = t->vht[1] = s6_to_s8(val);
+ t->ht[2] = t->ht[3] = t->vht[2] = t->vht[3] = s6_to_s8(val >> 8);
+
+ /* ht-vht mcs 1ss 4, 5, 6 */
+ addr = is_2ghz ? MT_EE_TX_POWER_BYRATE_BASE + 8 : 0x126;
+ val = mt76x02_eeprom_get(&dev->mt76, addr);
+ t->ht[4] = t->ht[5] = t->vht[4] = t->vht[5] = s6_to_s8(val);
+ t->ht[6] = t->vht[6] = s6_to_s8(val >> 8);
+
+ /* ht-vht mcs 1ss 0, 1, 2, 3 stbc */
+ addr = is_2ghz ? MT_EE_TX_POWER_BYRATE_BASE + 14 : 0xec;
+ val = mt76x02_eeprom_get(&dev->mt76, addr);
+ t->stbc[0] = t->stbc[1] = s6_to_s8(val);
+ t->stbc[2] = t->stbc[3] = s6_to_s8(val >> 8);
+
+ /* ht-vht mcs 1ss 4, 5, 6 stbc */
+ addr = is_2ghz ? MT_EE_TX_POWER_BYRATE_BASE + 16 : 0xee;
+ val = mt76x02_eeprom_get(&dev->mt76, addr);
+ t->stbc[4] = t->stbc[5] = s6_to_s8(val);
+ t->stbc[6] = t->stbc[7] = s6_to_s8(val >> 8);
+
+ /* vht mcs 8, 9 5GHz */
+ val = mt76x02_eeprom_get(&dev->mt76, 0x132);
+ t->vht[7] = s6_to_s8(val);
+ t->vht[8] = s6_to_s8(val >> 8);
+
+ mt76x02_add_rate_power_offset(t, delta);
}
static void
@@ -271,7 +278,6 @@ mt76x0_eeprom_init(struct mt76x0_dev *dev)
mt76x0_set_temp_offset(dev);
dev->chainmask = 0x0101;
- mt76x0_set_tx_power_per_rate(dev, eeprom);
mt76x0_set_tx_power_per_chan(dev, eeprom);
out:
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/eeprom.h b/drivers/net/wireless/mediatek/mt76/mt76x0/eeprom.h
index 8006d08cba45..d556ee37fa14 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x0/eeprom.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76x0/eeprom.h
@@ -37,41 +37,21 @@ struct mt76x0_caldata {
};
struct mt76x0_eeprom_params {
- /* TX_PWR_CFG_* values from EEPROM for 20 and 40 Mhz bandwidths. */
- u32 tx_pwr_cfg_2g[5][2];
- u32 tx_pwr_cfg_5g[5][2];
u8 tx_pwr_per_chan[58];
};
int mt76x0_eeprom_init(struct mt76x0_dev *dev);
void mt76x0_read_rx_gain(struct mt76x0_dev *dev);
+void mt76x0_get_tx_power_per_rate(struct mt76x0_dev *dev);
-static inline u32 s6_validate(u32 reg)
+static inline s8 s6_to_s8(u32 val)
{
- WARN_ON(reg & ~GENMASK(5, 0));
- return reg & GENMASK(5, 0);
-}
-
-static inline int s6_to_int(u32 reg)
-{
- int s6;
-
- s6 = s6_validate(reg);
- if (s6 & BIT(5))
- s6 -= BIT(6);
-
- return s6;
-}
-
-static inline u32 int_to_s6(int val)
-{
- if (val < -0x20)
- return 0x20;
- if (val > 0x1f)
- return 0x1f;
+ s8 ret = val & GENMASK(5, 0);
- return val & 0x3f;
+ if (ret & BIT(5))
+ ret -= BIT(6);
+ return ret;
}
#endif
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c b/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c
index 99446fc4503e..dea68f5d91f6 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c
@@ -641,6 +641,7 @@ __mt76x0_phy_set_channel(struct mt76x0_dev *dev,
freq1 = chandef->center_freq1;
channel = chandef->chan->hw_value;
rf_bw_band = (channel <= 14) ? RF_G_BAND : RF_A_BAND;
+ dev->mt76.chandef = *chandef;
switch (chandef->width) {
case NL80211_CHAN_WIDTH_40:
@@ -678,6 +679,7 @@ __mt76x0_phy_set_channel(struct mt76x0_dev *dev,
mt76x0_phy_set_band(dev, chandef->chan->band);
mt76x0_phy_set_chan_rf_params(dev, channel, rf_bw_band);
+ mt76x0_get_tx_power_per_rate(dev);
mt76x0_read_rx_gain(dev);
/* set Japan Tx filter at channel 14 */
@@ -699,7 +701,6 @@ __mt76x0_phy_set_channel(struct mt76x0_dev *dev,
mt76x0_phy_set_chan_pwr(dev, channel);
- dev->mt76.chandef = *chandef;
return 0;
}
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_eeprom.h b/drivers/net/wireless/mediatek/mt76/mt76x02_eeprom.h
index c3d8920a8127..b45e2afeadd0 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x02_eeprom.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76x02_eeprom.h
@@ -74,6 +74,7 @@ enum mt76x02_eeprom_field {
MT_EE_2G_TARGET_POWER = 0x0d0,
MT_EE_TEMP_OFFSET = 0x0d1,
+ MT_EE_5G_TARGET_POWER = 0x0d2,
MT_EE_TSSI_BOUND1 = 0x0d4,
MT_EE_TSSI_BOUND2 = 0x0d6,
MT_EE_TSSI_BOUND3 = 0x0d8,
@@ -121,9 +122,6 @@ enum mt76x02_eeprom_field {
#define MT_EE_NIC_CONF_2_TEMP_DISABLE BIT(11)
#define MT_EE_NIC_CONF_2_COEX_METHOD GENMASK(15, 13)
-#define MT_EE_TX_POWER_BYRATE(x) (MT_EE_TX_POWER_BYRATE_BASE + \
- (x) * 4)
-
#define MT_EFUSE_USAGE_MAP_SIZE (MT_EE_USAGE_MAP_END - \
MT_EE_USAGE_MAP_START + 1)
--
2.18.0
