From: Ryder Lee <ryder.lee@mediatek.com> To: Felix Fietkau <nbd@nbd.name>, Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Cc: Shayne Chen <shayne.chen@mediatek.com>, <linux-wireless@vger.kernel.org>, <linux-mediatek@lists.infradead.org>, Ryder Lee <ryder.lee@mediatek.com> Subject: [PATCH 3/3] mt76: mt7915: directly read per-rate tx power from registers Date: Sat, 17 Apr 2021 06:16:19 +0800 [thread overview] Message-ID: <1341b8a7123fe04b11d8ab65240c4a19e5ca43e3.1618609024.git.ryder.lee@mediatek.com> (raw) In-Reply-To: <6c1be8713dfd1154b5ec61b2b094eb156d9fb659.1618609024.git.ryder.lee@mediatek.com> From: Shayne Chen <shayne.chen@mediatek.com> Since driver no longer handler per-rate tx power setting, we need to read the power values directly from registers. Tested-by: Evelyn Tsai <evelyn.tsai@mediatek.com> Signed-off-by: Shayne Chen <shayne.chen@mediatek.com> Signed-off-by: Ryder Lee <ryder.lee@mediatek.com> --- .../wireless/mediatek/mt76/mt7915/debugfs.c | 68 +++++++++++++------ .../net/wireless/mediatek/mt76/mt7915/regs.h | 5 ++ 2 files changed, 51 insertions(+), 22 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c index 93bde072fe4d..65d44135a560 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c @@ -311,7 +311,7 @@ mt7915_queues_read(struct seq_file *s, void *data) } static void -mt7915_puts_rate_txpower(struct seq_file *s, s8 txpower_cur, int band) +mt7915_puts_rate_txpower(struct seq_file *s, struct mt7915_phy *phy) { static const char * const sku_group_name[] = { "CCK", "OFDM", "HT20", "HT40", @@ -319,18 +319,54 @@ mt7915_puts_rate_txpower(struct seq_file *s, s8 txpower_cur, int band) "RU26", "RU52", "RU106", "RU242/SU20", "RU484/SU40", "RU996/SU80", "RU2x996/SU160" }; - s8 txpower[161]; + struct mt7915_dev *dev = dev_get_drvdata(s->private); + bool ext_phy = phy != &dev->phy; + u32 reg_base; int i, idx = 0; - for (i = 0; i < ARRAY_SIZE(txpower); i++) - txpower[i] = DIV_ROUND_UP(txpower_cur, 2); + if (!phy) + return; + + reg_base = MT_TMAC_FP0R0(ext_phy); + seq_printf(s, "\nBand %d\n", ext_phy); for (i = 0; i < ARRAY_SIZE(mt7915_sku_group_len); i++) { - u8 len = mt7915_sku_group_len[i]; + u8 cnt, mcs_num = mt7915_sku_group_len[i]; + s8 txpower[12]; + int j; + + if (i == SKU_HT_BW20 || i == SKU_HT_BW40) { + mcs_num = 8; + } else 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; + } - mt76_seq_puts_array(s, sku_group_name[i], - txpower + idx, len); - idx += len; + 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); } } @@ -338,21 +374,9 @@ static int mt7915_read_rate_txpower(struct seq_file *s, void *data) { struct mt7915_dev *dev = dev_get_drvdata(s->private); - struct mt76_phy *mphy = &dev->mphy; - enum nl80211_band band = mphy->chandef.chan->band; - s8 txpower = mphy->txpower_cur; - - seq_puts(s, "Band 0:\n"); - mt7915_puts_rate_txpower(s, txpower, band); - if (dev->mt76.phy2) { - mphy = dev->mt76.phy2; - band = mphy->chandef.chan->band; - txpower = mphy->txpower_cur; - - seq_puts(s, "Band 1:\n"); - mt7915_puts_rate_txpower(s, txpower, band); - } + mt7915_puts_rate_txpower(s, &dev->phy); + mt7915_puts_rate_txpower(s, mt7915_ext_phy(dev)); return 0; } diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/regs.h b/drivers/net/wireless/mediatek/mt76/mt7915/regs.h index dfb8880657bf..efe0f2904c66 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/regs.h +++ b/drivers/net/wireless/mediatek/mt76/mt7915/regs.h @@ -82,6 +82,11 @@ #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
WARNING: multiple messages have this Message-ID (diff)
From: Ryder Lee <ryder.lee@mediatek.com> To: Felix Fietkau <nbd@nbd.name>, Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Cc: Shayne Chen <shayne.chen@mediatek.com>, <linux-wireless@vger.kernel.org>, <linux-mediatek@lists.infradead.org>, Ryder Lee <ryder.lee@mediatek.com> Subject: [PATCH 3/3] mt76: mt7915: directly read per-rate tx power from registers Date: Sat, 17 Apr 2021 06:16:19 +0800 [thread overview] Message-ID: <1341b8a7123fe04b11d8ab65240c4a19e5ca43e3.1618609024.git.ryder.lee@mediatek.com> (raw) In-Reply-To: <6c1be8713dfd1154b5ec61b2b094eb156d9fb659.1618609024.git.ryder.lee@mediatek.com> From: Shayne Chen <shayne.chen@mediatek.com> Since driver no longer handler per-rate tx power setting, we need to read the power values directly from registers. Tested-by: Evelyn Tsai <evelyn.tsai@mediatek.com> Signed-off-by: Shayne Chen <shayne.chen@mediatek.com> Signed-off-by: Ryder Lee <ryder.lee@mediatek.com> --- .../wireless/mediatek/mt76/mt7915/debugfs.c | 68 +++++++++++++------ .../net/wireless/mediatek/mt76/mt7915/regs.h | 5 ++ 2 files changed, 51 insertions(+), 22 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c index 93bde072fe4d..65d44135a560 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c @@ -311,7 +311,7 @@ mt7915_queues_read(struct seq_file *s, void *data) } static void -mt7915_puts_rate_txpower(struct seq_file *s, s8 txpower_cur, int band) +mt7915_puts_rate_txpower(struct seq_file *s, struct mt7915_phy *phy) { static const char * const sku_group_name[] = { "CCK", "OFDM", "HT20", "HT40", @@ -319,18 +319,54 @@ mt7915_puts_rate_txpower(struct seq_file *s, s8 txpower_cur, int band) "RU26", "RU52", "RU106", "RU242/SU20", "RU484/SU40", "RU996/SU80", "RU2x996/SU160" }; - s8 txpower[161]; + struct mt7915_dev *dev = dev_get_drvdata(s->private); + bool ext_phy = phy != &dev->phy; + u32 reg_base; int i, idx = 0; - for (i = 0; i < ARRAY_SIZE(txpower); i++) - txpower[i] = DIV_ROUND_UP(txpower_cur, 2); + if (!phy) + return; + + reg_base = MT_TMAC_FP0R0(ext_phy); + seq_printf(s, "\nBand %d\n", ext_phy); for (i = 0; i < ARRAY_SIZE(mt7915_sku_group_len); i++) { - u8 len = mt7915_sku_group_len[i]; + u8 cnt, mcs_num = mt7915_sku_group_len[i]; + s8 txpower[12]; + int j; + + if (i == SKU_HT_BW20 || i == SKU_HT_BW40) { + mcs_num = 8; + } else 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; + } - mt76_seq_puts_array(s, sku_group_name[i], - txpower + idx, len); - idx += len; + 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); } } @@ -338,21 +374,9 @@ static int mt7915_read_rate_txpower(struct seq_file *s, void *data) { struct mt7915_dev *dev = dev_get_drvdata(s->private); - struct mt76_phy *mphy = &dev->mphy; - enum nl80211_band band = mphy->chandef.chan->band; - s8 txpower = mphy->txpower_cur; - - seq_puts(s, "Band 0:\n"); - mt7915_puts_rate_txpower(s, txpower, band); - if (dev->mt76.phy2) { - mphy = dev->mt76.phy2; - band = mphy->chandef.chan->band; - txpower = mphy->txpower_cur; - - seq_puts(s, "Band 1:\n"); - mt7915_puts_rate_txpower(s, txpower, band); - } + mt7915_puts_rate_txpower(s, &dev->phy); + mt7915_puts_rate_txpower(s, mt7915_ext_phy(dev)); return 0; } diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/regs.h b/drivers/net/wireless/mediatek/mt76/mt7915/regs.h index dfb8880657bf..efe0f2904c66 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/regs.h +++ b/drivers/net/wireless/mediatek/mt76/mt7915/regs.h @@ -82,6 +82,11 @@ #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 _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek
next prev parent reply other threads:[~2021-04-16 22:16 UTC|newest] Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-04-16 22:16 [PATCH 1/3] mt76: mt7915: add support for DT rate power limits Ryder Lee 2021-04-16 22:16 ` Ryder Lee 2021-04-16 22:16 ` [PATCH 2/3] mt76: mt7915: rework the flow of txpower setting Ryder Lee 2021-04-16 22:16 ` Ryder Lee 2021-04-16 22:16 ` Ryder Lee [this message] 2021-04-16 22:16 ` [PATCH 3/3] mt76: mt7915: directly read per-rate tx power from registers Ryder Lee
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