From: Shayne Chen <shayne.chen@mediatek.com> To: Felix Fietkau <nbd@nbd.name> Cc: linux-wireless <linux-wireless@vger.kernel.org>, Lorenzo Bianconi <lorenzo.bianconi@redhat.com>, Ryder Lee <ryder.lee@mediatek.com>, Evelyn Tsai <evelyn.tsai@mediatek.com>, linux-mediatek <linux-mediatek@lists.infradead.org>, Shayne Chen <shayne.chen@mediatek.com> Subject: [PATCH 2/4] mt76: extend DT rate power limits to support 11ax devices Date: Tue, 16 Jun 2020 20:46:11 +0800 [thread overview] Message-ID: <08d8c206b15e705489fab96dbe9dd8a77874c4a4.1592276165.git.ryder.lee@mediatek.com> (raw) In-Reply-To: <9ae2b6233284b60206e3513f7bf2eb03d2fbd724.1592276165.git.ryder.lee@mediatek.com> Enable parsing per-rate txpower limits from DT for 11ax chipsets. Tested-by: Evelyn Tsai <evelyn.tsai@mediatek.com> Signed-off-by: Shayne Chen <shayne.chen@mediatek.com> --- drivers/net/wireless/mediatek/mt76/eeprom.c | 63 ++++++++++++++------- drivers/net/wireless/mediatek/mt76/mt76.h | 1 + 2 files changed, 44 insertions(+), 20 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/eeprom.c b/drivers/net/wireless/mediatek/mt76/eeprom.c index 334606b07693..87a5d2db05e1 100644 --- a/drivers/net/wireless/mediatek/mt76/eeprom.c +++ b/drivers/net/wireless/mediatek/mt76/eeprom.c @@ -221,6 +221,41 @@ mt76_apply_array_limit(s8 *pwr, size_t pwr_len, const __be32 *data, } } +static void +mt76_apply_mcs_limit(struct mt76_power_limits *dest, u32 mcs_rates, + const __be32 *data, size_t len, s8 target_power, + s8 nss_delta, s8 *max_power) +{ + s8 *pwr = (s8 *)dest->mcs; + u8 pwr_num = ARRAY_SIZE(dest->mcs), pwr_len = ARRAY_SIZE(dest->mcs[0]); + int i, cur; + + if (mcs_rates == ARRAY_SIZE(dest->ru[0])) { + pwr = (s8 *)dest->ru; + pwr_num = ARRAY_SIZE(dest->ru); + pwr_len = ARRAY_SIZE(dest->ru[0]); + } + + len /= 4; + cur = be32_to_cpu(data[0]); + for (i = 0; i < pwr_num; i++) { + if (len < mcs_rates + 1) + break; + + mt76_apply_array_limit(pwr + pwr_len * i, pwr_len, data + 1, + target_power, nss_delta, max_power); + if (--cur > 0) + continue; + + data += mcs_rates + 1; + len -= mcs_rates + 1; + if (!len) + break; + + cur = be32_to_cpu(data[0]); + } +} + s8 mt76_get_rate_power_limits(struct mt76_phy *phy, struct ieee80211_channel *chan, struct mt76_power_limits *dest, @@ -231,9 +266,9 @@ s8 mt76_get_rate_power_limits(struct mt76_phy *phy, const __be32 *val; char name[16]; u32 mcs_rates = dev->drv->mcs_rates; + u32 ru_rates = ARRAY_SIZE(dest->ru[0]); char band; size_t len; - int i, cur; s8 max_power = 0; s8 txs_delta; @@ -282,26 +317,14 @@ s8 mt76_get_rate_power_limits(struct mt76_phy *phy, val = mt76_get_of_array(np, "mcs", &len, mcs_rates + 1); if (!val) return max_power; + mt76_apply_mcs_limit(dest, mcs_rates, val, len, target_power, + txs_delta, &max_power); - len /= 4; - cur = be32_to_cpu(val[0]); - for (i = 0; i < ARRAY_SIZE(dest->mcs); i++) { - if (len < mcs_rates + 1) - break; - - mt76_apply_array_limit(dest->mcs[i], ARRAY_SIZE(dest->mcs[i]), - val + 1, target_power, txs_delta, - &max_power); - if (--cur > 0) - continue; - - val += mcs_rates + 1; - len -= mcs_rates + 1; - if (!len) - break; - - cur = be32_to_cpu(val[0]); - } + val = mt76_get_of_array(np, "ru", &len, ru_rates + 1); + if (!val) + return max_power; + mt76_apply_mcs_limit(dest, ru_rates, val, len, target_power, + txs_delta, &max_power); return max_power; } diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h index 9c5488ffbe5e..d50871653de1 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76.h +++ b/drivers/net/wireless/mediatek/mt76/mt76.h @@ -584,6 +584,7 @@ struct mt76_power_limits { s8 cck[4]; s8 ofdm[8]; s8 mcs[4][10]; + s8 ru[7][12]; }; enum mt76_phy_type { -- 2.18.0
WARNING: multiple messages have this Message-ID (diff)
From: Shayne Chen <shayne.chen@mediatek.com> To: Felix Fietkau <nbd@nbd.name> Cc: Ryder Lee <ryder.lee@mediatek.com>, Evelyn Tsai <evelyn.tsai@mediatek.com>, linux-wireless <linux-wireless@vger.kernel.org>, linux-mediatek <linux-mediatek@lists.infradead.org>, Lorenzo Bianconi <lorenzo.bianconi@redhat.com>, Shayne Chen <shayne.chen@mediatek.com> Subject: [PATCH 2/4] mt76: extend DT rate power limits to support 11ax devices Date: Tue, 16 Jun 2020 20:46:11 +0800 [thread overview] Message-ID: <08d8c206b15e705489fab96dbe9dd8a77874c4a4.1592276165.git.ryder.lee@mediatek.com> (raw) In-Reply-To: <9ae2b6233284b60206e3513f7bf2eb03d2fbd724.1592276165.git.ryder.lee@mediatek.com> Enable parsing per-rate txpower limits from DT for 11ax chipsets. Tested-by: Evelyn Tsai <evelyn.tsai@mediatek.com> Signed-off-by: Shayne Chen <shayne.chen@mediatek.com> --- drivers/net/wireless/mediatek/mt76/eeprom.c | 63 ++++++++++++++------- drivers/net/wireless/mediatek/mt76/mt76.h | 1 + 2 files changed, 44 insertions(+), 20 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/eeprom.c b/drivers/net/wireless/mediatek/mt76/eeprom.c index 334606b07693..87a5d2db05e1 100644 --- a/drivers/net/wireless/mediatek/mt76/eeprom.c +++ b/drivers/net/wireless/mediatek/mt76/eeprom.c @@ -221,6 +221,41 @@ mt76_apply_array_limit(s8 *pwr, size_t pwr_len, const __be32 *data, } } +static void +mt76_apply_mcs_limit(struct mt76_power_limits *dest, u32 mcs_rates, + const __be32 *data, size_t len, s8 target_power, + s8 nss_delta, s8 *max_power) +{ + s8 *pwr = (s8 *)dest->mcs; + u8 pwr_num = ARRAY_SIZE(dest->mcs), pwr_len = ARRAY_SIZE(dest->mcs[0]); + int i, cur; + + if (mcs_rates == ARRAY_SIZE(dest->ru[0])) { + pwr = (s8 *)dest->ru; + pwr_num = ARRAY_SIZE(dest->ru); + pwr_len = ARRAY_SIZE(dest->ru[0]); + } + + len /= 4; + cur = be32_to_cpu(data[0]); + for (i = 0; i < pwr_num; i++) { + if (len < mcs_rates + 1) + break; + + mt76_apply_array_limit(pwr + pwr_len * i, pwr_len, data + 1, + target_power, nss_delta, max_power); + if (--cur > 0) + continue; + + data += mcs_rates + 1; + len -= mcs_rates + 1; + if (!len) + break; + + cur = be32_to_cpu(data[0]); + } +} + s8 mt76_get_rate_power_limits(struct mt76_phy *phy, struct ieee80211_channel *chan, struct mt76_power_limits *dest, @@ -231,9 +266,9 @@ s8 mt76_get_rate_power_limits(struct mt76_phy *phy, const __be32 *val; char name[16]; u32 mcs_rates = dev->drv->mcs_rates; + u32 ru_rates = ARRAY_SIZE(dest->ru[0]); char band; size_t len; - int i, cur; s8 max_power = 0; s8 txs_delta; @@ -282,26 +317,14 @@ s8 mt76_get_rate_power_limits(struct mt76_phy *phy, val = mt76_get_of_array(np, "mcs", &len, mcs_rates + 1); if (!val) return max_power; + mt76_apply_mcs_limit(dest, mcs_rates, val, len, target_power, + txs_delta, &max_power); - len /= 4; - cur = be32_to_cpu(val[0]); - for (i = 0; i < ARRAY_SIZE(dest->mcs); i++) { - if (len < mcs_rates + 1) - break; - - mt76_apply_array_limit(dest->mcs[i], ARRAY_SIZE(dest->mcs[i]), - val + 1, target_power, txs_delta, - &max_power); - if (--cur > 0) - continue; - - val += mcs_rates + 1; - len -= mcs_rates + 1; - if (!len) - break; - - cur = be32_to_cpu(val[0]); - } + val = mt76_get_of_array(np, "ru", &len, ru_rates + 1); + if (!val) + return max_power; + mt76_apply_mcs_limit(dest, ru_rates, val, len, target_power, + txs_delta, &max_power); return max_power; } diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h index 9c5488ffbe5e..d50871653de1 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76.h +++ b/drivers/net/wireless/mediatek/mt76/mt76.h @@ -584,6 +584,7 @@ struct mt76_power_limits { s8 cck[4]; s8 ofdm[8]; s8 mcs[4][10]; + s8 ru[7][12]; }; enum mt76_phy_type { -- 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:[~2020-06-16 12:47 UTC|newest] Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-06-16 12:46 [PATCH 1/4] dt-bindings: net: wireless: mt76: add ru property in power-limits node Shayne Chen 2020-06-16 12:46 ` Shayne Chen 2020-06-16 12:46 ` Shayne Chen [this message] 2020-06-16 12:46 ` [PATCH 2/4] mt76: extend DT rate power limits to support 11ax devices Shayne Chen 2020-06-16 12:46 ` [PATCH 3/4] mt76: mt7915: add support for DT rate power limits Shayne Chen 2020-06-16 12:46 ` Shayne Chen 2020-06-16 18:28 ` Felix Fietkau 2020-06-16 18:28 ` Felix Fietkau 2020-06-16 12:46 ` [PATCH 4/4] mt76: mt7915: add support to read per-rate tx power from HW in debugfs Shayne Chen 2020-06-16 12:46 ` Shayne Chen
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