From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from rtits2.realtek.com.tw (rtits2.realtek.com [211.75.126.72]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BF2F43822BB; Wed, 2 Sep 2026 09:07:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=211.75.126.72 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788340037; cv=none; b=a+rSO6WkRZ9kfuX0+y2wJBszE9A5KOCKPUhPIIjqIeBDE8MfEcREpl8Yg43VbO9PxGoX6RrmSuHISCV9EtmEDL9lf2CypIbAL6bjam9CiSTttIfq+lZqKJKB4kfLOxkhmQvwcF5ZRe3xIHEBIMEeiR5ZGy2NSI/H3sJutYVZrNU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788340037; c=relaxed/simple; bh=vM7Mok+kM5Cp8FnsoGm4tNwkN1GSHIBuKR4c8Qrz74U=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=KXoHoJoYkYYC0vBYIS0/+k2+RZwGSZh4KDic2rlQ7AM8SztZPPuYIegA/Ehnk97e0G46G6R+RA4i9sinmcULqux0tBUiHxyRe9cpnsxEj+l6VlZRwpMEgtfCZt4qM4oTvTkPkt/Py5YGA84ZAsgdLyHiEngNAmIilQCOowJKvJY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=realtek.com; spf=pass smtp.mailfrom=realtek.com; dkim=pass (2048-bit key) header.d=realtek.com header.i=@realtek.com header.b=d+aeO8XG; arc=none smtp.client-ip=211.75.126.72 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=realtek.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=realtek.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=realtek.com header.i=@realtek.com header.b="d+aeO8XG" X-SpamFilter-By: ArmorX SpamTrap 5.80 with qID 68296maE62527097, This message is accepted by code: ctloc85258 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=realtek.com; s=dkim; t=1788340008; bh=GuHBDrUObMAmNecOtLtM0QoW0Xym/BAGIwJifrJ755Y=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Transfer-Encoding:Content-Type; b=d+aeO8XGiAQLJssCNImtBs39bgChlB6pNiNq/s1tiRYqppeecIUkQv/d+YaxEkBTO JNqV9qvNkjGRAKGDxWCQ7WD3OLF0CNTlpbW+Y+7vz1tL+c4hehR6kLTUkKxE5BBL9Q V1nXb1HxsXTKAddeNdAZ8uMA2vhcFJE9/pJo0LE2HfGhqdsJmmKMb70FN7rInj7TdC 8tJZtL3LX0DdOMUM8xJGhaMOOQjEsv3aAPIppMmFBcNmQ8v+HeYX7TNN2CDprb1pDN hoHg6niMzNHnD+/Illw5l2mADQtp/O/o3X+w62n7f8nhxcU1gFIGLZMfGgraxyrH5u 8907MODop7L0g== Received: from mail.realtek.com (rtkexhmbs03.realtek.com.tw[10.21.1.53]) by rtits2.realtek.com.tw (8.15.2/3.29/5.94) with ESMTPS id 68296maE62527097 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 2 Sep 2026 17:06:48 +0800 Received: from RTKEXHMBS06.realtek.com.tw (10.21.1.56) by RTKEXHMBS03.realtek.com.tw (10.21.1.53) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.43; Wed, 2 Sep 2026 17:06:48 +0800 Received: from fc44.realtek.com.tw (172.22.241.7) by RTKEXHMBS06.realtek.com.tw (10.21.1.56) with Microsoft SMTP Server id 15.2.2562.43 via Frontend Transport; Wed, 2 Sep 2026 17:06:48 +0800 From: Chih Kai Hsu To: , CC: , , , , , , , , Subject: [PATCH net-next 8/8] r8152: support UPS for RTL8157 and RTL8159 Date: Wed, 2 Sep 2026 17:06:32 +0800 Message-ID: <20260902090632.41844-9-nic_swsd@realtek.com> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260902090632.41844-1-nic_swsd@realtek.com> References: <20260902090632.41844-1-nic_swsd@realtek.com> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain Add a new function, r8157_ups_en(), to support UPS for RTL8157 and RTL8159, and also extend r8156_ups_flags(). Signed-off-by: Chih Kai Hsu --- drivers/net/usb/r8152.c | 109 +++++++++++++++++++++++++++++++++++----- 1 file changed, 97 insertions(+), 12 deletions(-) diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index b809317de74f7..96abd0447741a 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -619,6 +619,11 @@ #define UPS_FLAGS_250M_CKDIV BIT(2) #define UPS_FLAGS_EN_ALDPS BIT(3) #define UPS_FLAGS_CTAP_SHORT_DIS BIT(4) +#define UPS_FLAGS_EN_100M_EEE BIT(9) +#define UPS_FLAGS_EN_1000M_EEE BIT(10) +#define UPS_FLAGS_EN_2500M_EEE BIT(11) +#define UPS_FLAGS_EN_5000M_EEE BIT(12) +#define UPS_FLAGS_EN_10G_EEE BIT(13) #define UPS_FLAGS_SPEED_MASK (0xf << 16) #define ups_flags_speed(x) ((x) << 16) #define UPS_FLAGS_EN_EEE BIT(20) @@ -4185,8 +4190,27 @@ static void r8156_ups_flags(struct r8152 *tp) if (tp->ups_info.aldps) ups_flags |= UPS_FLAGS_EN_ALDPS; - if (tp->ups_info.eee) - ups_flags |= UPS_FLAGS_EN_EEE; + if (tp->ups_info.eee) { + switch (tp->version) { + case RTL_VER_17_QFN68: + if (tp->eee_adv & MDIO_EEE_10GT) + ups_flags |= UPS_FLAGS_EN_10G_EEE; + fallthrough; + case RTL_VER_16: + if (tp->eee_adv & MDIO_EEE_100TX) + ups_flags |= UPS_FLAGS_EN_100M_EEE; + if (tp->eee_adv & MDIO_EEE_1000T) + ups_flags |= UPS_FLAGS_EN_1000M_EEE; + if (tp->eee_adv2 & MDIO_EEE_2_5GT) + ups_flags |= UPS_FLAGS_EN_2500M_EEE; + if (tp->eee_adv2 & MDIO_EEE_5GT) + ups_flags |= UPS_FLAGS_EN_5000M_EEE; + break; + default: + ups_flags |= UPS_FLAGS_EN_EEE; + break; + } + } if (tp->ups_info.flow_control) ups_flags |= UPS_FLAGS_EN_FLOW_CTR; @@ -4237,20 +4261,33 @@ static void r8156_ups_flags(struct r8152 *tp) case NWAY_2500M_FULL: ups_flags |= ups_flags_speed(9); break; + case NWAY_5000M_FULL: + ups_flags |= ups_flags_speed(10); + break; + case NWAY_10000M_FULL: + ups_flags |= ups_flags_speed(11); + break; default: break; } - switch (tp->ups_info.lite_mode) { - case 1: - ups_flags |= 0 << 5; - break; - case 2: - ups_flags |= 2 << 5; + switch (tp->version) { + case RTL_VER_16: + case RTL_VER_17_QFN68: break; - case 0: default: - ups_flags |= 1 << 5; + switch (tp->ups_info.lite_mode) { + case 1: + ups_flags |= 0 << 5; + break; + case 2: + ups_flags |= 2 << 5; + break; + case 0: + default: + ups_flags |= 1 << 5; + break; + } break; } @@ -4422,6 +4459,35 @@ static void r8156_ups_en(struct r8152 *tp, bool enable) } } +static void r8157_ups_en(struct r8152 *tp, bool enable) +{ + if (enable) { + r8156_ups_flags(tp); + + ocp_byte_set_bits(tp, MCU_TYPE_USB, USB_POWER_CUT, + UPS_EN | USP_PREWAKE | PHASE2_EN); + + ocp_byte_set_bits(tp, MCU_TYPE_USB, USB_MISC_2, + UPS_FORCE_PWR_DOWN); + } else { + ocp_byte_clr_bits(tp, MCU_TYPE_USB, USB_POWER_CUT, + UPS_EN | USP_PREWAKE); + + ocp_byte_clr_bits(tp, MCU_TYPE_USB, USB_MISC_2, + UPS_FORCE_PWR_DOWN); + + if (ocp_read_word(tp, MCU_TYPE_USB, USB_MISC_0) & PCUT_STATUS) { + /* clear USB fw_ver_reg */ + ocp_write_byte(tp, MCU_TYPE_USB, 0xcf07, 0); + + tp->rtl_ops.hw_phy_cfg(tp); + + rtl8152_set_speed(tp, tp->autoneg, tp->speed, + tp->duplex, tp->advertising); + } + } +} + static void r8153_power_cut_en(struct r8152 *tp, bool enable) { if (enable) @@ -4580,9 +4646,28 @@ static void rtl8157_runtime_enable(struct r8152 *tp, bool enable) r8153b_u1u2en(tp, false); r8157_u2p3en(tp, false); rtl_runtime_suspend_enable(tp, true); + + switch (tp->version) { + case RTL_VER_16: + case RTL_VER_17_QFN68: + r8157_ups_en(tp, true); + break; + default: + break; + } } else { r8153_queue_wake(tp, false); rtl_runtime_suspend_enable(tp, false); + + switch (tp->version) { + case RTL_VER_16: + case RTL_VER_17_QFN68: + r8157_ups_en(tp, false); + break; + default: + break; + } + r8157_u2p3en(tp, true); if (tp->udev->speed >= USB_SPEED_SUPER) r8153b_u1u2en(tp, true); @@ -9077,7 +9162,7 @@ static void r8157_init(struct r8152 *tp) ocp_write_word(tp, MCU_TYPE_USB, USB_U1U2_TIMER, 500); r8157_power_cut_en(tp, false); - r8156_ups_en(tp, false); + r8157_ups_en(tp, false); r8153_queue_wake(tp, false); rtl_runtime_suspend_enable(tp, false); @@ -9195,7 +9280,7 @@ static void r8159_init(struct r8152 *tp) ocp_write_word(tp, MCU_TYPE_USB, USB_U1U2_TIMER, 500); r8157_power_cut_en(tp, false); - r8156_ups_en(tp, false); + r8157_ups_en(tp, false); r8153_queue_wake(tp, false); rtl_runtime_suspend_enable(tp, false); -- 2.34.1