From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 8F956CA1007 for ; Mon, 1 Sep 2025 23:19:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References :Message-Id:Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date: From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=jOa08j3K2wdg+wGbl+DJosQsOHswaV1OABUR6IsdByg=; b=CRZvq33wE2/9nIlacGs14HLGAK dZPHqEfHRzwuSfkAFOtWT/MZ9yAEac0dPK2PEkFzgq8j8URBW4GimnShRB1kXr8/kYsDckweaX7xa uAXqDdb1tvsZjY06TmaQrriW982IU46TNmItnkFtKkfywJvWanYiB49ZbaQylYe79EgzNu8mpyX+T wfZqqtPVqc6e/FwsA3Bd6iIQgeOawGwLGHOdqBiJBg6kAS90xquBIfjsqE6nVNyh20V+6akmhkQoX 7PSGrZ6GHTNETsUEr1iK0coGS5z6K75kdFO0x0h9sbtPsC2wLa1rrpCGNqukYOQt7LE7KIcx2HMMv EOrjNdyw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1utDnx-0000000EJQb-46ff; Mon, 01 Sep 2025 23:19:18 +0000 Received: from sea.source.kernel.org ([172.234.252.31]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1utBbo-0000000DtIf-0WnQ; Mon, 01 Sep 2025 20:58:37 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id D190444746; Mon, 1 Sep 2025 20:58:35 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5F1CFC4CEF0; Mon, 1 Sep 2025 20:58:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1756760315; bh=PaHhxq4ise5ZNVBTMtcixvgCJMUVFlZVY5TFCSi4N5Q=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=RmVoOvx8K+a5cknDd6tJDg8Q5F6T5dIpdwRro7BQaT67pk/XvJC8dUtnddLsVEnrr C7SfzQ+062rZDpmmxK8oRWwfXLRF9aoxorEldPrdpgV05Ow6tb2VUcno1O+b5Gghdu V5VwPXnZx57j+S9FYsHWrcz/eGvsne+8C9UEafUsXsFTuWfX3NnnihQOKmt0QNpKRz w/PHPz5YCqXIAceefxUGGahSrbN4caigvJhp10qTkYDWPnSaioWWTvc9cawXZnFrkQ Sfu4XMHGlY46RP12Op85gZd9TM3A1egsWV8rAFJJmTSavaulDGiBWR8vcBP9jjSqrf Twcl8BiPv0ivA== From: Lorenzo Bianconi Date: Mon, 01 Sep 2025 22:58:01 +0200 Subject: [PATCH mt76 v2 05/14] wifi: mt76: mt7996: Enable HW RRO for MT7992 chipset MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20250901-mt7996-rro-rework-v2-5-1f95086b51d1@kernel.org> References: <20250901-mt7996-rro-rework-v2-0-1f95086b51d1@kernel.org> In-Reply-To: <20250901-mt7996-rro-rework-v2-0-1f95086b51d1@kernel.org> To: Felix Fietkau , Ryder Lee , Shayne Chen , Sean Wang , Matthias Brugger , AngeloGioacchino Del Regno , Sujuan Chen , Lorenzo Bianconi Cc: linux-wireless@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, Rex Lu , Benjamin Lin X-Mailer: b4 0.14.2 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250901_135836_218885_E9917FC2 X-CRM114-Status: GOOD ( 17.52 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Rex Lu This is a preliminary patch to enable WED support for MT7992 Kite chipset supported by MT7996 driver. Co-developed-by: Sujuan Chen Signed-off-by: Sujuan Chen Co-developed-by: Benjamin Lin Signed-off-by: Benjamin Lin Signed-off-by: Rex Lu Co-developed-by: Lorenzo Bianconi Signed-off-by: Lorenzo Bianconi --- drivers/net/wireless/mediatek/mt76/mt7996/init.c | 168 +++++++++++++++------ drivers/net/wireless/mediatek/mt76/mt7996/mt7996.h | 9 ++ drivers/net/wireless/mediatek/mt76/mt7996/regs.h | 10 ++ 3 files changed, 137 insertions(+), 50 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/init.c b/drivers/net/wireless/mediatek/mt76/mt7996/init.c index bce128bcb8be7dea64db42f4dd9984ba0b9f4ba1..9f61667584f4d95f7f6c9dcb0d70ef56a4e298fd 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7996/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7996/init.c @@ -605,19 +605,21 @@ void mt7996_mac_init(struct mt7996_dev *dev) } /* rro module init */ - if (is_mt7996(&dev->mt76)) - mt7996_mcu_set_rro(dev, UNI_RRO_SET_PLATFORM_TYPE, 2); - else + if (dev->hif2) mt7996_mcu_set_rro(dev, UNI_RRO_SET_PLATFORM_TYPE, - dev->hif2 ? 7 : 0); + is_mt7996(&dev->mt76) ? 2 : 7); + else + mt7996_mcu_set_rro(dev, UNI_RRO_SET_PLATFORM_TYPE, 0); if (dev->has_rro) { u16 timeout; timeout = mt76_rr(dev, MT_HW_REV) == MT_HW_REV1 ? 512 : 128; mt7996_mcu_set_rro(dev, UNI_RRO_SET_FLUSH_TIMEOUT, timeout); - mt7996_mcu_set_rro(dev, UNI_RRO_SET_BYPASS_MODE, 1); - mt7996_mcu_set_rro(dev, UNI_RRO_SET_TXFREE_PATH, 0); + mt7996_mcu_set_rro(dev, UNI_RRO_SET_BYPASS_MODE, + is_mt7996(&dev->mt76) ? 1 : 2); + mt7996_mcu_set_rro(dev, UNI_RRO_SET_TXFREE_PATH, + !is_mt7996(&dev->mt76)); } else { mt7996_mcu_set_rro(dev, UNI_RRO_SET_BYPASS_MODE, 3); mt7996_mcu_set_rro(dev, UNI_RRO_SET_TXFREE_PATH, 1); @@ -754,11 +756,95 @@ void mt7996_wfsys_reset(struct mt7996_dev *dev) msleep(20); } +#ifdef CONFIG_NET_MEDIATEK_SOC_WED +static void mt7996_rro_hw_init(struct mt7996_dev *dev) +{ + struct mtk_wed_device *wed = &dev->mt76.mmio.wed; + u32 reg = MT_RRO_ADDR_ELEM_SEG_ADDR0; + int i; + + if (!dev->has_rro) + return; + + if (is_mt7992(&dev->mt76)) { + /* Set emul 3.0 function */ + mt76_wr(dev, MT_RRO_3_0_EMU_CONF, + MT_RRO_3_0_EMU_CONF_EN_MASK); + mt76_wr(dev, MT_RRO_ADDR_ARRAY_BASE0, + dev->wed_rro.addr_elem[0].phy_addr); + } else { + /* TODO: remove line after WM has set */ + mt76_clear(dev, WF_RRO_AXI_MST_CFG, + WF_RRO_AXI_MST_CFG_DIDX_OK); + /* setup BA bitmap cache address */ + mt76_wr(dev, MT_RRO_BA_BITMAP_BASE0, + dev->wed_rro.ba_bitmap[0].phy_addr); + mt76_wr(dev, MT_RRO_BA_BITMAP_BASE1, 0); + mt76_wr(dev, MT_RRO_BA_BITMAP_BASE_EXT0, + dev->wed_rro.ba_bitmap[1].phy_addr); + mt76_wr(dev, MT_RRO_BA_BITMAP_BASE_EXT1, 0); + + /* Setup Address element address */ + for (i = 0; i < ARRAY_SIZE(dev->wed_rro.addr_elem); i++) { + mt76_wr(dev, reg, + dev->wed_rro.addr_elem[i].phy_addr >> 4); + reg += 4; + } + + /* Setup Address element address - separate address + * segment mode + */ + mt76_wr(dev, MT_RRO_ADDR_ARRAY_BASE1, + MT_RRO_ADDR_ARRAY_ELEM_ADDR_SEG_MODE); + } + wed->wlan.ind_cmd.win_size = ffs(MT7996_RRO_WINDOW_MAX_LEN) - 6; + if (is_mt7996(&dev->mt76)) + wed->wlan.ind_cmd.particular_sid = MT7996_RRO_MAX_SESSION; + else + wed->wlan.ind_cmd.particular_sid = 1; + wed->wlan.ind_cmd.particular_se_phys = dev->wed_rro.session.phy_addr; + wed->wlan.ind_cmd.se_group_nums = MT7996_RRO_ADDR_ELEM_LEN; + wed->wlan.ind_cmd.ack_sn_addr = MT_RRO_ACK_SN_CTRL; + + mt76_wr(dev, MT_RRO_IND_CMD_SIGNATURE_BASE0, 0x15010e00); + mt76_set(dev, MT_RRO_IND_CMD_SIGNATURE_BASE1, + MT_RRO_IND_CMD_SIGNATURE_BASE1_EN); + + /* particular session configure */ + /* use max session idx + 1 as particular session id */ + mt76_wr(dev, MT_RRO_PARTICULAR_CFG0, dev->wed_rro.session.phy_addr); + + if (is_mt7992(&dev->mt76)) { + reg = MT_RRO_MSDU_PG_SEG_ADDR0; + + mt76_set(dev, MT_RRO_3_1_GLOBAL_CONFIG, + MT_RRO_3_1_GLOBAL_CONFIG_INTERLEAVE_EN); + + /* setup Msdu page address */ + for (i = 0; i < ARRAY_SIZE(dev->wed_rro.msdu_pg); i++) { + mt76_wr(dev, reg, + dev->wed_rro.msdu_pg[i].phy_addr >> 4); + reg += 4; + } + mt76_wr(dev, MT_RRO_PARTICULAR_CFG1, + MT_RRO_PARTICULAR_CONFG_EN | + FIELD_PREP(MT_RRO_PARTICULAR_SID, 1)); + } else { + mt76_wr(dev, MT_RRO_PARTICULAR_CFG1, + MT_RRO_PARTICULAR_CONFG_EN | + FIELD_PREP(MT_RRO_PARTICULAR_SID, + MT7996_RRO_MAX_SESSION)); + } + /* interrupt enable */ + mt76_wr(dev, MT_RRO_HOST_INT_ENA, + MT_RRO_HOST_INT_ENA_HOST_RRO_DONE_ENA); +} +#endif + static int mt7996_wed_rro_init(struct mt7996_dev *dev) { #ifdef CONFIG_NET_MEDIATEK_SOC_WED struct mtk_wed_device *wed = &dev->mt76.mmio.wed; - u32 reg = MT_RRO_ADDR_ELEM_SEG_ADDR0; struct mt7996_wed_rro_addr *addr; void *ptr; int i; @@ -804,6 +890,20 @@ static int mt7996_wed_rro_init(struct mt7996_dev *dev) dev->wed_rro.addr_elem[i].phy_addr; } + for (i = 0; i < ARRAY_SIZE(dev->wed_rro.msdu_pg); i++) { + ptr = dmam_alloc_coherent(dev->mt76.dma_dev, + MT7996_RRO_MSDU_PG_SIZE_PER_CR, + &dev->wed_rro.msdu_pg[i].phy_addr, + GFP_KERNEL); + if (!ptr) + return -ENOMEM; + + dev->wed_rro.msdu_pg[i].ptr = ptr; + + memset(dev->wed_rro.msdu_pg[i].ptr, 0, + MT7996_RRO_MSDU_PG_SIZE_PER_CR); + } + ptr = dmam_alloc_coherent(dev->mt76.dma_dev, MT7996_RRO_WINDOW_MAX_LEN * sizeof(*addr), &dev->wed_rro.session.phy_addr, @@ -818,50 +918,8 @@ static int mt7996_wed_rro_init(struct mt7996_dev *dev) addr++; } - /* rro hw init */ - /* TODO: remove line after WM has set */ - mt76_clear(dev, WF_RRO_AXI_MST_CFG, WF_RRO_AXI_MST_CFG_DIDX_OK); - - /* setup BA bitmap cache address */ - mt76_wr(dev, MT_RRO_BA_BITMAP_BASE0, - dev->wed_rro.ba_bitmap[0].phy_addr); - mt76_wr(dev, MT_RRO_BA_BITMAP_BASE1, 0); - mt76_wr(dev, MT_RRO_BA_BITMAP_BASE_EXT0, - dev->wed_rro.ba_bitmap[1].phy_addr); - mt76_wr(dev, MT_RRO_BA_BITMAP_BASE_EXT1, 0); - - /* setup Address element address */ - for (i = 0; i < ARRAY_SIZE(dev->wed_rro.addr_elem); i++) { - mt76_wr(dev, reg, dev->wed_rro.addr_elem[i].phy_addr >> 4); - reg += 4; - } - - /* setup Address element address - separate address segment mode */ - mt76_wr(dev, MT_RRO_ADDR_ARRAY_BASE1, - MT_RRO_ADDR_ARRAY_ELEM_ADDR_SEG_MODE); - - wed->wlan.ind_cmd.win_size = ffs(MT7996_RRO_WINDOW_MAX_LEN) - 6; - wed->wlan.ind_cmd.particular_sid = MT7996_RRO_MAX_SESSION; - wed->wlan.ind_cmd.particular_se_phys = dev->wed_rro.session.phy_addr; - wed->wlan.ind_cmd.se_group_nums = MT7996_RRO_ADDR_ELEM_LEN; - wed->wlan.ind_cmd.ack_sn_addr = MT_RRO_ACK_SN_CTRL; - - mt76_wr(dev, MT_RRO_IND_CMD_SIGNATURE_BASE0, 0x15010e00); - mt76_set(dev, MT_RRO_IND_CMD_SIGNATURE_BASE1, - MT_RRO_IND_CMD_SIGNATURE_BASE1_EN); - - /* particular session configure */ - /* use max session idx + 1 as particular session id */ - mt76_wr(dev, MT_RRO_PARTICULAR_CFG0, dev->wed_rro.session.phy_addr); - mt76_wr(dev, MT_RRO_PARTICULAR_CFG1, - MT_RRO_PARTICULAR_CONFG_EN | - FIELD_PREP(MT_RRO_PARTICULAR_SID, MT7996_RRO_MAX_SESSION)); - - /* interrupt enable */ - mt76_wr(dev, MT_RRO_HOST_INT_ENA, - MT_RRO_HOST_INT_ENA_HOST_RRO_DONE_ENA); + mt7996_rro_hw_init(dev); - /* rro ind cmd queue init */ return mt7996_dma_rro_init(dev); #else return 0; @@ -900,6 +958,16 @@ static void mt7996_wed_rro_free(struct mt7996_dev *dev) dev->wed_rro.addr_elem[i].phy_addr); } + for (i = 0; i < ARRAY_SIZE(dev->wed_rro.msdu_pg); i++) { + if (!dev->wed_rro.msdu_pg[i].ptr) + continue; + + dmam_free_coherent(dev->mt76.dma_dev, + MT7996_RRO_MSDU_PG_SIZE_PER_CR, + dev->wed_rro.msdu_pg[i].ptr, + dev->wed_rro.msdu_pg[i].phy_addr); + } + if (!dev->wed_rro.session.ptr) return; diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mt7996.h b/drivers/net/wireless/mediatek/mt76/mt7996/mt7996.h index c210dfd5e37a91ded70e09f51bca52406d7b9d53..094ea070369a8ac33a3aa692d5aaf9535c89d3d8 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7996/mt7996.h +++ b/drivers/net/wireless/mediatek/mt76/mt7996/mt7996.h @@ -112,6 +112,7 @@ #define MT7996_CRIT_TEMP 110 #define MT7996_MAX_TEMP 120 +#define MT7996_RRO_MSDU_PG_HASH_SIZE 127 #define MT7996_RRO_MAX_SESSION 1024 #define MT7996_RRO_WINDOW_MAX_LEN 1024 #define MT7996_RRO_ADDR_ELEM_LEN 128 @@ -128,6 +129,10 @@ #define MT7996_RX_MSDU_PAGE_SIZE (128 + \ SKB_DATA_ALIGN(sizeof(struct skb_shared_info))) +/* RRO 3.1 */ +#define MT7996_RRO_MSDU_PG_CR_CNT 8 +#define MT7996_RRO_MSDU_PG_SIZE_PER_CR 0x10000 + struct mt7996_vif; struct mt7996_sta; struct mt7996_dfs_pulse; @@ -400,6 +405,10 @@ struct mt7996_dev { void *ptr; dma_addr_t phy_addr; } session; + struct { + void *ptr; + dma_addr_t phy_addr; + } msdu_pg[MT7996_RRO_MSDU_PG_CR_CNT]; struct work_struct work; struct list_head poll_list; diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/regs.h b/drivers/net/wireless/mediatek/mt76/mt7996/regs.h index 4b8bc008ab3143dcf44cd40b17b9f09778cfd464..070cdebcd19d7713ebae1d74fdf0c6062eb7c925 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7996/regs.h +++ b/drivers/net/wireless/mediatek/mt76/mt7996/regs.h @@ -88,6 +88,8 @@ enum offs_rev { #define MT_RRO_BA_BITMAP_BASE1 MT_RRO_TOP(0xC) #define WF_RRO_AXI_MST_CFG MT_RRO_TOP(0xB8) #define WF_RRO_AXI_MST_CFG_DIDX_OK BIT(12) + +#define MT_RRO_ADDR_ARRAY_BASE0 MT_RRO_TOP(0x30) #define MT_RRO_ADDR_ARRAY_BASE1 MT_RRO_TOP(0x34) #define MT_RRO_ADDR_ARRAY_ELEM_ADDR_SEG_MODE BIT(31) @@ -108,6 +110,14 @@ enum offs_rev { #define MT_RRO_ADDR_ELEM_SEG_ADDR0 MT_RRO_TOP(0x400) +#define MT_RRO_3_0_EMU_CONF MT_RRO_TOP(0x600) +#define MT_RRO_3_0_EMU_CONF_EN_MASK BIT(11) + +#define MT_RRO_3_1_GLOBAL_CONFIG MT_RRO_TOP(0x604) +#define MT_RRO_3_1_GLOBAL_CONFIG_INTERLEAVE_EN BIT(0) + +#define MT_RRO_MSDU_PG_SEG_ADDR0 MT_RRO_TOP(0x620) + #define MT_RRO_ACK_SN_CTRL MT_RRO_TOP(0x50) #define MT_RRO_ACK_SN_CTRL_SN_MASK GENMASK(27, 16) #define MT_RRO_ACK_SN_CTRL_SESSION_MASK GENMASK(11, 0) -- 2.50.1