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@xxxxxxxxxxxx> --- 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