[PATCH v2] mt76: mt7915: use mt7915_mcu_get_txpower_sku() to get per-rate txpower
Shayne Chen
shayne.chen at mediatek.com
Tue May 25 03:34:09 PDT 2021
Get per-rate txpower with mcu command. This is the preparation of
co-driver for the next chipset, which has different tmac power registers
but can share this same command.
Signed-off-by: Shayne Chen <shayne.chen at mediatek.com>
---
v2: - revise commit message
- concise some local variables
---
.../wireless/mediatek/mt76/mt7915/debugfs.c | 49 ++++---------------
.../net/wireless/mediatek/mt76/mt7915/mcu.c | 34 ++++++++++++-
.../wireless/mediatek/mt76/mt7915/mt7915.h | 3 ++
.../net/wireless/mediatek/mt76/mt7915/regs.h | 5 --
4 files changed, 45 insertions(+), 46 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c
index 6a8ddee..95a6957 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c
@@ -307,54 +307,23 @@ mt7915_puts_rate_txpower(struct seq_file *s, struct mt7915_phy *phy)
"RU26", "RU52", "RU106", "RU242/SU20",
"RU484/SU40", "RU996/SU80", "RU2x996/SU160"
};
- struct mt7915_dev *dev = dev_get_drvdata(s->private);
- bool ext_phy = phy != &dev->phy;
- u32 reg_base;
- int i, idx = 0;
+ s8 txpower[MT7915_SKU_RATE_NUM], *buf;
+ int i;
if (!phy)
return;
- reg_base = MT_TMAC_FP0R0(ext_phy);
- seq_printf(s, "\nBand %d\n", ext_phy);
+ seq_printf(s, "\nBand %d\n", phy != &phy->dev->phy);
- for (i = 0; i < ARRAY_SIZE(mt7915_sku_group_len); i++) {
- u8 cnt, mcs_num = mt7915_sku_group_len[i];
- s8 txpower[12];
- int j;
+ mt7915_mcu_get_txpower_sku(phy, txpower, sizeof(txpower));
+ for (i = 0, buf = txpower; i < ARRAY_SIZE(mt7915_sku_group_len); i++) {
+ u8 mcs_num = mt7915_sku_group_len[i];
- if (i == SKU_HT_BW20 || i == SKU_HT_BW40) {
- mcs_num = 8;
- } else if (i >= SKU_VHT_BW20 && i <= SKU_VHT_BW160) {
+ if (i >= SKU_VHT_BW20 && i <= SKU_VHT_BW160)
mcs_num = 10;
- } else if (i == SKU_HE_RU26) {
- reg_base = MT_TMAC_FP0R18(ext_phy);
- idx = 0;
- }
-
- for (j = 0, cnt = 0; j < DIV_ROUND_UP(mcs_num, 4); j++) {
- u32 val;
-
- if (i == SKU_VHT_BW160 && idx == 60) {
- reg_base = MT_TMAC_FP0R15(ext_phy);
- idx = 0;
- }
-
- val = mt76_rr(dev, reg_base + (idx / 4) * 4);
-
- if (idx && idx % 4)
- val >>= (idx % 4) * 8;
-
- while (val > 0 && cnt < mcs_num) {
- s8 pwr = FIELD_GET(MT_TMAC_FP_MASK, val);
-
- txpower[cnt++] = pwr;
- val >>= 8;
- idx++;
- }
- }
- mt76_seq_puts_array(s, sku_group_name[i], txpower, mcs_num);
+ mt76_seq_puts_array(s, sku_group_name[i], buf, mcs_num);
+ buf += mt7915_sku_group_len[i];
}
}
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
index dcf2d4d..f4cadfc 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
@@ -3514,7 +3514,6 @@ int mt7915_mcu_get_tx_rate(struct mt7915_dev *dev, u32 cmd, u16 wlan_idx)
int mt7915_mcu_set_txpower_sku(struct mt7915_phy *phy)
{
-#define MT7915_SKU_RATE_NUM 161
struct mt7915_dev *dev = phy->dev;
struct mt76_phy *mphy = phy->mt76;
struct ieee80211_hw *hw = mphy->hw;
@@ -3564,6 +3563,39 @@ int mt7915_mcu_set_txpower_sku(struct mt7915_phy *phy)
sizeof(req), true);
}
+int mt7915_mcu_get_txpower_sku(struct mt7915_phy *phy, s8 *txpower, int len)
+{
+#define RATE_POWER_INFO 2
+ struct mt7915_dev *dev = phy->dev;
+ struct {
+ u8 format_id;
+ u8 category;
+ u8 band;
+ u8 _rsv;
+ } __packed req = {
+ .format_id = 7,
+ .category = RATE_POWER_INFO,
+ .band = phy != &dev->phy,
+ };
+ s8 res[MT7915_SKU_RATE_NUM][2];
+ struct sk_buff *skb;
+ int ret, i;
+
+ ret = mt76_mcu_send_and_get_msg(&dev->mt76,
+ MCU_EXT_CMD(TX_POWER_FEATURE_CTRL),
+ &req, sizeof(req), true, &skb);
+ if (ret)
+ return ret;
+
+ memcpy(res, skb->data + 4, sizeof(res));
+ for (i = 0; i < len; i++)
+ txpower[i] = res[i][req.band];
+
+ dev_kfree_skb(skb);
+
+ return 0;
+}
+
int mt7915_mcu_set_test_param(struct mt7915_dev *dev, u8 param, bool test_mode,
u8 en)
{
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
index c4bf8ed..1f7e57d 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
@@ -38,6 +38,8 @@
#define MT7915_5G_RATE_DEFAULT 0x4b /* OFDM 6M */
#define MT7915_2G_RATE_DEFAULT 0x0 /* CCK 1M */
+#define MT7915_SKU_RATE_NUM 161
+
struct mt7915_vif;
struct mt7915_sta;
struct mt7915_dfs_pulse;
@@ -343,6 +345,7 @@ int mt7915_mcu_set_rts_thresh(struct mt7915_phy *phy, u32 val);
int mt7915_mcu_set_pm(struct mt7915_dev *dev, int band, int enter);
int mt7915_mcu_set_sku_en(struct mt7915_phy *phy, bool enable);
int mt7915_mcu_set_txpower_sku(struct mt7915_phy *phy);
+int mt7915_mcu_get_txpower_sku(struct mt7915_phy *phy, s8 *txpower, int len);
int mt7915_mcu_set_txbf_type(struct mt7915_dev *dev);
int mt7915_mcu_set_txbf_module(struct mt7915_dev *dev);
int mt7915_mcu_set_txbf_sounding(struct mt7915_dev *dev);
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/regs.h b/drivers/net/wireless/mediatek/mt76/mt7915/regs.h
index 48e4b22..ee525e7 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/regs.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/regs.h
@@ -82,11 +82,6 @@
#define MT_TMAC_CTCR0_INS_DDLMT_EN BIT(17)
#define MT_TMAC_CTCR0_INS_DDLMT_VHT_SMPDU_EN BIT(18)
-#define MT_TMAC_FP0R0(_band) MT_WF_TMAC(_band, 0x020)
-#define MT_TMAC_FP0R15(_band) MT_WF_TMAC(_band, 0x080)
-#define MT_TMAC_FP0R18(_band) MT_WF_TMAC(_band, 0x270)
-#define MT_TMAC_FP_MASK GENMASK(7, 0)
-
#define MT_TMAC_TFCR0(_band) MT_WF_TMAC(_band, 0x1e0)
#define MT_WF_DMA_BASE(_band) ((_band) ? 0xa1e00 : 0x21e00)
--
2.18.0
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