From patchwork Thu Dec 10 11:00:22 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sean Wang X-Patchwork-Id: 11964203 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 53C33C433FE for ; Thu, 10 Dec 2020 11:06:29 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 6E31023D98 for ; Thu, 10 Dec 2020 11:06:28 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6E31023D98 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:To:From: Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender :Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=X00FzsHolA0pM1CHu8S293odLEfQcuxbZYPjZU8Hh2s=; b=ps1mYlubie/dBAGhaZTDPKPmE8 rg5fF56xQ/lcF9t8l7cWrisXs8XLbZGHp87Lcfwimk5zJIl41L6wzOX5BhtpZVSqYiPJFY/aWUS/N obosyYSf85tHRKQK9wazJlcJpQF1Hsu1E+h+EbsUYswv0f5WKS5pVSZsWwY/ddMrksdMTWUy8N8vF oEAj9RSuqo8VQIX988MImuG+d/CyxXNrigdD0oaTQfa9XGihH1c177uFsQF0CqNxn1HfHMl+goYxi Ipx/cB5p6Ze5e1kDUDYT8WFefOgLDh5wCBig8gRChMkuH1D/qKcxVGSc7v0hpupHsJSU62ddtsfJ5 JOFXzUNA==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1knJlx-0007Fl-U3; Thu, 10 Dec 2020 11:06:10 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1knJll-0007Az-99 for linux-mediatek@lists.infradead.org; Thu, 10 Dec 2020 11:06:04 +0000 X-UUID: fc87924f610b419288cb4af8f74aebe0-20201210 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:Message-ID:Date:Subject:CC:To:From; bh=+nAgKHijrjy1QUiXKdtTUKEFCO5mZ802VWPCLrZDNJg=; b=oJzTfuFO4s/87LiketXg/D37oPw0XrU81PM6nyukKfV4uPwoseu6D1eki0cx0BPJNu9m5C/FKlQ80ywFtxCRPNX5WNUQ2Z9vAEd4D9/5bTSCh481JOASF2LJ6hCtIPIlquZKllVf2MuHd5FjxVfMCSb8A+ashAJCHVmYw0eIXO0=; X-UUID: fc87924f610b419288cb4af8f74aebe0-20201210 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1870438023; Thu, 10 Dec 2020 03:00:33 -0800 Received: from MTKMBS02N2.mediatek.inc (172.21.101.101) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 10 Dec 2020 03:00:30 -0800 Received: from mtkcas10.mediatek.inc (172.21.101.39) by mtkmbs02n2.mediatek.inc (172.21.101.101) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 10 Dec 2020 19:00:27 +0800 Received: from mtkswgap22.mediatek.inc (172.21.77.33) by mtkcas10.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 10 Dec 2020 19:00:22 +0800 From: To: , Subject: [PATCH net-next v1] mt76: mt7921: introduce mt7921e support Date: Thu, 10 Dec 2020 19:00:22 +0800 Message-ID: X-Mailer: git-send-email 1.7.9.5 MIME-Version: 1.0 X-TM-SNTS-SMTP: BA3FE960B9B3237C1036C09C98F1ED072BD7FC4600AE9C3AAFF148915866822F2000:8 X-MTK: N X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: ryder.lee@mediatek.com, robin.chiu@mediatek.com, ch.yeh@mediatek.com, Eric.Liang@mediatek.com, sean.wang@mediatek.com, linux-wireless@vger.kernel.org, YN.Chen@mediatek.com, linux-mediatek@lists.infradead.org, Soul.Huang@mediatek.com, Lorenzo Bianconi Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org From: Sean Wang Introduce support for mt7921e 802.11ax (Wi-Fi 6) 2x2:2SS chipset. Co-developed-by: Lorenzo Bianconi Signed-off-by: Lorenzo Bianconi Co-developed-by: Soul Huang Signed-off-by: Soul Huang Signed-off-by: Sean Wang --- drivers/net/wireless/mediatek/mt76/Kconfig | 1 + drivers/net/wireless/mediatek/mt76/Makefile | 1 + .../net/wireless/mediatek/mt76/mt7921/Kconfig | 10 + .../wireless/mediatek/mt76/mt7921/Makefile | 6 + .../wireless/mediatek/mt76/mt7921/debugfs.c | 180 ++ .../net/wireless/mediatek/mt76/mt7921/dma.c | 356 +++ .../wireless/mediatek/mt76/mt7921/eeprom.c | 247 ++ .../wireless/mediatek/mt76/mt7921/eeprom.h | 126 + .../net/wireless/mediatek/mt76/mt7921/init.c | 482 +++ .../net/wireless/mediatek/mt76/mt7921/mac.c | 1387 +++++++++ .../net/wireless/mediatek/mt76/mt7921/mac.h | 367 +++ .../net/wireless/mediatek/mt76/mt7921/main.c | 854 ++++++ .../net/wireless/mediatek/mt76/mt7921/mcu.c | 2588 +++++++++++++++++ .../net/wireless/mediatek/mt76/mt7921/mcu.h | 991 +++++++ .../wireless/mediatek/mt76/mt7921/mt7921.h | 379 +++ .../net/wireless/mediatek/mt76/mt7921/pci.c | 209 ++ .../net/wireless/mediatek/mt76/mt7921/regs.h | 455 +++ 17 files changed, 8639 insertions(+) create mode 100644 drivers/net/wireless/mediatek/mt76/mt7921/Kconfig create mode 100644 drivers/net/wireless/mediatek/mt76/mt7921/Makefile create mode 100644 drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c create mode 100644 drivers/net/wireless/mediatek/mt76/mt7921/dma.c create mode 100644 drivers/net/wireless/mediatek/mt76/mt7921/eeprom.c create mode 100644 drivers/net/wireless/mediatek/mt76/mt7921/eeprom.h create mode 100644 drivers/net/wireless/mediatek/mt76/mt7921/init.c create mode 100644 drivers/net/wireless/mediatek/mt76/mt7921/mac.c create mode 100644 drivers/net/wireless/mediatek/mt76/mt7921/mac.h create mode 100644 drivers/net/wireless/mediatek/mt76/mt7921/main.c create mode 100644 drivers/net/wireless/mediatek/mt76/mt7921/mcu.c create mode 100644 drivers/net/wireless/mediatek/mt76/mt7921/mcu.h create mode 100644 drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h create mode 100644 drivers/net/wireless/mediatek/mt76/mt7921/pci.c create mode 100644 drivers/net/wireless/mediatek/mt76/mt7921/regs.h diff --git a/drivers/net/wireless/mediatek/mt76/Kconfig b/drivers/net/wireless/mediatek/mt76/Kconfig index 31015d2a8e7d..5f42ce3267cb 100644 --- a/drivers/net/wireless/mediatek/mt76/Kconfig +++ b/drivers/net/wireless/mediatek/mt76/Kconfig @@ -29,3 +29,4 @@ source "drivers/net/wireless/mediatek/mt76/mt76x2/Kconfig" source "drivers/net/wireless/mediatek/mt76/mt7603/Kconfig" source "drivers/net/wireless/mediatek/mt76/mt7615/Kconfig" source "drivers/net/wireless/mediatek/mt76/mt7915/Kconfig" +source "drivers/net/wireless/mediatek/mt76/mt7921/Kconfig" diff --git a/drivers/net/wireless/mediatek/mt76/Makefile b/drivers/net/wireless/mediatek/mt76/Makefile index e53584db0756..1d72093b61a3 100644 --- a/drivers/net/wireless/mediatek/mt76/Makefile +++ b/drivers/net/wireless/mediatek/mt76/Makefile @@ -31,3 +31,4 @@ obj-$(CONFIG_MT76x2_COMMON) += mt76x2/ obj-$(CONFIG_MT7603E) += mt7603/ obj-$(CONFIG_MT7615_COMMON) += mt7615/ obj-$(CONFIG_MT7915E) += mt7915/ +obj-$(CONFIG_MT7921E) += mt7921/ diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/Kconfig b/drivers/net/wireless/mediatek/mt76/mt7921/Kconfig new file mode 100644 index 000000000000..24932d2e8dee --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt7921/Kconfig @@ -0,0 +1,10 @@ +# SPDX-License-Identifier: ISC +config MT7921E + tristate "MediaTek MT7921E (PCIe) support" + select MT76_CORE + depends on MAC80211 + depends on PCI + help + This adds support for MT7921E 802.11ax 2x2:2SS wireless devices. + + To compile this driver as a module, choose M here. diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/Makefile b/drivers/net/wireless/mediatek/mt76/mt7921/Makefile new file mode 100644 index 000000000000..8efd110f7ff8 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt7921/Makefile @@ -0,0 +1,6 @@ +#SPDX-License-Identifier: ISC + +obj-$(CONFIG_MT7921E) += mt7921e.o + +mt7921e-y := pci.o init.o dma.o eeprom.o main.o mcu.o mac.o \ + debugfs.o diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c new file mode 100644 index 000000000000..ad2379e7b9f7 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c @@ -0,0 +1,180 @@ +// SPDX-License-Identifier: ISC +/* Copyright (C) 2020 MediaTek Inc. */ + +#include "mt7921.h" +#include "eeprom.h" + +static int +mt7921_fw_debug_set(void *data, u64 val) +{ + struct mt7921_dev *dev = data; + + dev->fw_debug = (u8)val; + + mt7921_mcu_fw_log_2_host(dev, dev->fw_debug); + + return 0; +} + +static int +mt7921_fw_debug_get(void *data, u64 *val) +{ + struct mt7921_dev *dev = data; + + *val = dev->fw_debug; + + return 0; +} + +DEFINE_DEBUGFS_ATTRIBUTE(fops_fw_debug, mt7921_fw_debug_get, + mt7921_fw_debug_set, "%lld\n"); + +static void +mt7921_ampdu_stat_read_phy(struct mt7921_phy *phy, + struct seq_file *file) +{ + struct mt7921_dev *dev = file->private; + bool ext_phy = phy != &dev->phy; + int bound[15], range[4], i, n; + + if (!phy) + return; + + /* Tx ampdu stat */ + for (i = 0; i < ARRAY_SIZE(range); i++) + range[i] = mt76_rr(dev, MT_MIB_ARNG(ext_phy, i)); + + for (i = 0; i < ARRAY_SIZE(bound); i++) + bound[i] = MT_MIB_ARNCR_RANGE(range[i / 4], i) + 1; + + seq_printf(file, "\nPhy %d\n", ext_phy); + + seq_printf(file, "Length: %8d | ", bound[0]); + for (i = 0; i < ARRAY_SIZE(bound) - 1; i++) + seq_printf(file, "%3d -%3d | ", + bound[i] + 1, bound[i + 1]); + + seq_puts(file, "\nCount: "); + n = ext_phy ? ARRAY_SIZE(dev->mt76.aggr_stats) / 2 : 0; + for (i = 0; i < ARRAY_SIZE(bound); i++) + seq_printf(file, "%8d | ", dev->mt76.aggr_stats[i + n]); + seq_puts(file, "\n"); + + seq_printf(file, "BA miss count: %d\n", phy->mib.ba_miss_cnt); +} + +static int +mt7921_tx_stats_read(struct seq_file *file, void *data) +{ + struct mt7921_dev *dev = file->private; + int stat[8], i, n; + + mt7921_ampdu_stat_read_phy(&dev->phy, file); + + /* Tx amsdu info */ + seq_puts(file, "Tx MSDU stat:\n"); + for (i = 0, n = 0; i < ARRAY_SIZE(stat); i++) { + stat[i] = mt76_rr(dev, MT_PLE_AMSDU_PACK_MSDU_CNT(i)); + n += stat[i]; + } + + for (i = 0; i < ARRAY_SIZE(stat); i++) { + seq_printf(file, "AMSDU pack count of %d MSDU in TXD: 0x%x ", + i + 1, stat[i]); + if (n != 0) + seq_printf(file, "(%d%%)\n", stat[i] * 100 / n); + else + seq_puts(file, "\n"); + } + + return 0; +} + +static int +mt7921_tx_stats_open(struct inode *inode, struct file *f) +{ + return single_open(f, mt7921_tx_stats_read, inode->i_private); +} + +static const struct file_operations fops_tx_stats = { + .open = mt7921_tx_stats_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, + .owner = THIS_MODULE, +}; + +static int +mt7921_queues_acq(struct seq_file *s, void *data) +{ + struct mt7921_dev *dev = dev_get_drvdata(s->private); + int i; + + for (i = 0; i < 16; i++) { + int j, acs = i / 4, index = i % 4; + u32 ctrl, val, qlen = 0; + + val = mt76_rr(dev, MT_PLE_AC_QEMPTY(acs, index)); + ctrl = BIT(31) | BIT(15) | (acs << 8); + + for (j = 0; j < 32; j++) { + if (val & BIT(j)) + continue; + + mt76_wr(dev, MT_PLE_FL_Q0_CTRL, + ctrl | (j + (index << 5))); + qlen += mt76_get_field(dev, MT_PLE_FL_Q3_CTRL, + GENMASK(11, 0)); + } + seq_printf(s, "AC%d%d: queued=%d\n", acs, index, qlen); + } + + return 0; +} + +static int +mt7921_queues_read(struct seq_file *s, void *data) +{ + struct mt7921_dev *dev = dev_get_drvdata(s->private); + struct { + struct mt76_queue *q; + char *queue; + } queue_map[] = { + { dev->mphy.q_tx[MT_TXQ_BE], "WFDMA0" }, + { dev->mt76.q_mcu[MT_MCUQ_WM], "MCUWM" }, + { dev->mt76.q_mcu[MT_MCUQ_FWDL], "MCUFWQ" }, + }; + int i; + + for (i = 0; i < ARRAY_SIZE(queue_map); i++) { + struct mt76_queue *q = queue_map[i].q; + + if (!q) + continue; + + seq_printf(s, + "%s: queued=%d head=%d tail=%d\n", + queue_map[i].queue, q->queued, q->head, + q->tail); + } + + return 0; +} + +int mt7921_init_debugfs(struct mt7921_dev *dev) +{ + struct dentry *dir; + + dir = mt76_register_debugfs(&dev->mt76); + if (!dir) + return -ENOMEM; + + debugfs_create_devm_seqfile(dev->mt76.dev, "queues", dir, + mt7921_queues_read); + debugfs_create_devm_seqfile(dev->mt76.dev, "acq", dir, + mt7921_queues_acq); + debugfs_create_file("tx_stats", 0400, dir, dev, &fops_tx_stats); + debugfs_create_file("fw_debug", 0600, dir, dev, &fops_fw_debug); + + return 0; +} diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/dma.c b/drivers/net/wireless/mediatek/mt76/mt7921/dma.c new file mode 100644 index 000000000000..cd9665610284 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt7921/dma.c @@ -0,0 +1,356 @@ +// SPDX-License-Identifier: ISC +/* Copyright (C) 2020 MediaTek Inc. */ + +#include "mt7921.h" +#include "../dma.h" +#include "mac.h" + +int mt7921_init_tx_queues(struct mt7921_phy *phy, int idx, int n_desc) +{ + int i, err; + + err = mt76_init_tx_queue(phy->mt76, 0, idx, n_desc, MT_TX_RING_BASE); + if (err < 0) + return err; + + for (i = 0; i <= MT_TXQ_PSD; i++) + phy->mt76->q_tx[i] = phy->mt76->q_tx[0]; + + return 0; +} + +void mt7921_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q, + struct sk_buff *skb) +{ + struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); + __le32 *rxd = (__le32 *)skb->data; + enum rx_pkt_type type; + u16 flag; + + type = FIELD_GET(MT_RXD0_PKT_TYPE, le32_to_cpu(rxd[0])); + flag = FIELD_GET(MT_RXD0_PKT_FLAG, le32_to_cpu(rxd[0])); + + if (type == PKT_TYPE_RX_EVENT && flag == 0x1) + type = PKT_TYPE_NORMAL_MCU; + + switch (type) { + case PKT_TYPE_TXRX_NOTIFY: + mt7921_mac_tx_free(dev, skb); + break; + case PKT_TYPE_RX_EVENT: + mt7921_mcu_rx_event(dev, skb); + break; + case PKT_TYPE_NORMAL_MCU: + case PKT_TYPE_NORMAL: + if (!mt7921_mac_fill_rx(dev, skb)) { + mt76_rx(&dev->mt76, q, skb); + return; + } + fallthrough; + default: + dev_kfree_skb(skb); + break; + } +} + +static void +mt7921_tx_cleanup(struct mt7921_dev *dev) +{ + mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[MT_MCUQ_WM], false); + mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[MT_MCUQ_WA], false); +} + +static int mt7921_poll_tx(struct napi_struct *napi, int budget) +{ + struct mt7921_dev *dev; + + dev = container_of(napi, struct mt7921_dev, mt76.tx_napi); + + mt7921_tx_cleanup(dev); + + if (napi_complete_done(napi, 0)) + mt7921_irq_enable(dev, MT_INT_TX_DONE_ALL); + + return 0; +} + +void mt7921_dma_prefetch(struct mt7921_dev *dev) +{ +#define PREFETCH(base, depth) ((base) << 16 | (depth)) + + mt76_wr(dev, MT_WFDMA0_RX_RING0_EXT_CTRL, PREFETCH(0x0, 0x4)); + mt76_wr(dev, MT_WFDMA0_RX_RING2_EXT_CTRL, PREFETCH(0x40, 0x4)); + mt76_wr(dev, MT_WFDMA0_RX_RING3_EXT_CTRL, PREFETCH(0x80, 0x4)); + mt76_wr(dev, MT_WFDMA0_RX_RING4_EXT_CTRL, PREFETCH(0xc0, 0x4)); + mt76_wr(dev, MT_WFDMA0_RX_RING5_EXT_CTRL, PREFETCH(0x100, 0x4)); + + mt76_wr(dev, MT_WFDMA0_TX_RING0_EXT_CTRL, PREFETCH(0x140, 0x4)); + mt76_wr(dev, MT_WFDMA0_TX_RING1_EXT_CTRL, PREFETCH(0x180, 0x4)); + mt76_wr(dev, MT_WFDMA0_TX_RING2_EXT_CTRL, PREFETCH(0x1c0, 0x4)); + mt76_wr(dev, MT_WFDMA0_TX_RING3_EXT_CTRL, PREFETCH(0x200, 0x4)); + mt76_wr(dev, MT_WFDMA0_TX_RING4_EXT_CTRL, PREFETCH(0x240, 0x4)); + mt76_wr(dev, MT_WFDMA0_TX_RING5_EXT_CTRL, PREFETCH(0x280, 0x4)); + mt76_wr(dev, MT_WFDMA0_TX_RING6_EXT_CTRL, PREFETCH(0x2c0, 0x4)); + mt76_wr(dev, MT_WFDMA0_TX_RING16_EXT_CTRL, PREFETCH(0x340, 0x4)); + mt76_wr(dev, MT_WFDMA0_TX_RING17_EXT_CTRL, PREFETCH(0x380, 0x4)); +} + +static u32 __mt7921_reg_addr(struct mt7921_dev *dev, u32 addr) +{ + static const struct { + u32 phys; + u32 mapped; + u32 size; + } fixed_map[] = { + { 0x00400000, 0x80000, 0x10000}, /* WF_MCU_SYSRAM */ + { 0x00410000, 0x90000, 0x10000}, /* WF_MCU_SYSRAM (configure register) */ + { 0x40000000, 0x70000, 0x10000}, /* WF_UMAC_SYSRAM */ + { 0x54000000, 0x02000, 0x1000 }, /* WFDMA PCIE0 MCU DMA0 */ + { 0x55000000, 0x03000, 0x1000 }, /* WFDMA PCIE0 MCU DMA1 */ + { 0x58000000, 0x06000, 0x1000 }, /* WFDMA PCIE1 MCU DMA0 (MEM_DMA) */ + { 0x59000000, 0x07000, 0x1000 }, /* WFDMA PCIE1 MCU DMA1 */ + { 0x7c000000, 0xf0000, 0x10000 }, /* CONN_INFRA */ + { 0x7c020000, 0xd0000, 0x10000 }, /* CONN_INFRA, WFDMA */ + { 0x7c060000, 0xe0000, 0x10000}, /* CONN_INFRA, conn_host_csr_top */ + { 0x80020000, 0xb0000, 0x10000 }, /* WF_TOP_MISC_OFF */ + { 0x81020000, 0xc0000, 0x10000 }, /* WF_TOP_MISC_ON */ + { 0x820c0000, 0x08000, 0x4000 }, /* WF_UMAC_TOP (PLE) */ + { 0x820c8000, 0x0c000, 0x2000 }, /* WF_UMAC_TOP (PSE) */ + { 0x820cc000, 0x0e000, 0x2000 }, /* WF_UMAC_TOP (PP) */ + { 0x820ce000, 0x21c00, 0x0200 }, /* WF_LMAC_TOP (WF_SEC) */ + { 0x820cf000, 0x22000, 0x1000 }, /* WF_LMAC_TOP (WF_PF) */ + { 0x820d0000, 0x30000, 0x10000 }, /* WF_LMAC_TOP (WF_WTBLON) */ + { 0x820e0000, 0x20000, 0x0400 }, /* WF_LMAC_TOP BN0 (WF_CFG) */ + { 0x820e1000, 0x20400, 0x0200 }, /* WF_LMAC_TOP BN0 (WF_TRB) */ + { 0x820e2000, 0x20800, 0x0400 }, /* WF_LMAC_TOP BN0 (WF_AGG) */ + { 0x820e3000, 0x20c00, 0x0400 }, /* WF_LMAC_TOP BN0 (WF_ARB) */ + { 0x820e4000, 0x21000, 0x0400 }, /* WF_LMAC_TOP BN0 (WF_TMAC) */ + { 0x820e5000, 0x21400, 0x0800 }, /* WF_LMAC_TOP BN0 (WF_RMAC) */ + { 0x820e7000, 0x21e00, 0x0200 }, /* WF_LMAC_TOP BN0 (WF_DMA) */ + { 0x820e9000, 0x23400, 0x0200 }, /* WF_LMAC_TOP BN0 (WF_WTBLOFF) */ + { 0x820ea000, 0x24000, 0x0200 }, /* WF_LMAC_TOP BN0 (WF_ETBF) */ + { 0x820eb000, 0x24200, 0x0400 }, /* WF_LMAC_TOP BN0 (WF_LPON) */ + { 0x820ec000, 0x24600, 0x0200 }, /* WF_LMAC_TOP BN0 (WF_INT) */ + { 0x820ed000, 0x24800, 0x0800 }, /* WF_LMAC_TOP BN0 (WF_MIB) */ + { 0x820f0000, 0xa0000, 0x0400 }, /* WF_LMAC_TOP BN1 (WF_CFG) */ + { 0x820f1000, 0xa0600, 0x0200 }, /* WF_LMAC_TOP BN1 (WF_TRB) */ + { 0x820f2000, 0xa0800, 0x0400 }, /* WF_LMAC_TOP BN1 (WF_AGG) */ + { 0x820f3000, 0xa0c00, 0x0400 }, /* WF_LMAC_TOP BN1 (WF_ARB) */ + { 0x820f4000, 0xa1000, 0x0400 }, /* WF_LMAC_TOP BN1 (WF_TMAC) */ + { 0x820f5000, 0xa1400, 0x0800 }, /* WF_LMAC_TOP BN1 (WF_RMAC) */ + { 0x820f7000, 0xa1e00, 0x0200 }, /* WF_LMAC_TOP BN1 (WF_DMA) */ + { 0x820f9000, 0xa3400, 0x0200 }, /* WF_LMAC_TOP BN1 (WF_WTBLOFF) */ + { 0x820fa000, 0xa4000, 0x0200 }, /* WF_LMAC_TOP BN1 (WF_ETBF) */ + { 0x820fb000, 0xa4200, 0x0400 }, /* WF_LMAC_TOP BN1 (WF_LPON) */ + { 0x820fc000, 0xa4600, 0x0200 }, /* WF_LMAC_TOP BN1 (WF_INT) */ + { 0x820fd000, 0xa4800, 0x0800 }, /* WF_LMAC_TOP BN1 (WF_MIB) */ + }; + int i; + + if (addr < 0x100000) + return addr; + + for (i = 0; i < ARRAY_SIZE(fixed_map); i++) { + u32 ofs; + + if (addr < fixed_map[i].phys) + continue; + + ofs = addr - fixed_map[i].phys; + if (ofs > fixed_map[i].size) + continue; + + return fixed_map[i].mapped + ofs; + } + + if ((addr >= 0x18000000 && addr < 0x18c00000) || + (addr >= 0x70000000 && addr < 0x78000000) || + (addr >= 0x7c000000 && addr < 0x7c400000)) + return mt7921_reg_map_l1(dev, addr); + + dev_err(dev->mt76.dev, "Access currently unsupported address %08x\n", + addr); + + return 0; +} + +static u32 mt7921_rr(struct mt76_dev *mdev, u32 offset) +{ + struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); + u32 addr = __mt7921_reg_addr(dev, offset); + + return dev->bus_ops->rr(mdev, addr); +} + +static void mt7921_wr(struct mt76_dev *mdev, u32 offset, u32 val) +{ + struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); + u32 addr = __mt7921_reg_addr(dev, offset); + + dev->bus_ops->wr(mdev, addr, val); +} + +static u32 mt7921_rmw(struct mt76_dev *mdev, u32 offset, u32 mask, u32 val) +{ + struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); + u32 addr = __mt7921_reg_addr(dev, offset); + + return dev->bus_ops->rmw(mdev, addr, mask, val); +} + +static int mt7921_dmashdl_disabled(struct mt7921_dev *dev) +{ + mt76_clear(dev, MT_WFDMA0_GLO_CFG_EXT0, MT_WFDMA0_CSR_TX_DMASHDL_ENABLE); + mt76_set(dev, MT_DMASHDL_SW_CONTROL, MT_DMASHDL_DMASHDL_BYPASS); + + return 0; +} + +int mt7921_dma_init(struct mt7921_dev *dev) +{ + /* Increase buffer size to receive large VHT/HE MPDUs */ + struct mt76_bus_ops *bus_ops; + int rx_buf_size = MT_RX_BUF_SIZE * 2; + int ret; + + dev->bus_ops = dev->mt76.bus; + bus_ops = devm_kmemdup(dev->mt76.dev, dev->bus_ops, sizeof(*bus_ops), + GFP_KERNEL); + if (!bus_ops) + return -ENOMEM; + + bus_ops->rr = mt7921_rr; + bus_ops->wr = mt7921_wr; + bus_ops->rmw = mt7921_rmw; + dev->mt76.bus = bus_ops; + + mt76_dma_attach(&dev->mt76); + + /* reset */ + mt76_clear(dev, MT_WFDMA0_RST, + MT_WFDMA0_RST_DMASHDL_ALL_RST | + MT_WFDMA0_RST_LOGIC_RST); + + mt76_set(dev, MT_WFDMA0_RST, + MT_WFDMA0_RST_DMASHDL_ALL_RST | + MT_WFDMA0_RST_LOGIC_RST); + + ret = mt7921_dmashdl_disabled(dev); + if (ret) + return ret; + + /* disable WFDMA0 */ + mt76_clear(dev, MT_WFDMA0_GLO_CFG, + MT_WFDMA0_GLO_CFG_TX_DMA_EN | + MT_WFDMA0_GLO_CFG_RX_DMA_EN | + MT_WFDMA0_GLO_CFG_CSR_DISP_BASE_PTR_CHAIN_EN | + MT_WFDMA0_GLO_CFG_OMIT_TX_INFO | + MT_WFDMA0_GLO_CFG_OMIT_RX_INFO | + MT_WFDMA0_GLO_CFG_OMIT_RX_INFO_PFET2); + + mt76_poll(dev, MT_WFDMA0_GLO_CFG, + MT_WFDMA0_GLO_CFG_TX_DMA_BUSY | + MT_WFDMA0_GLO_CFG_RX_DMA_BUSY, 0, 1000); + + /* init tx queue */ + ret = mt7921_init_tx_queues(&dev->phy, MT7921_TXQ_BAND0, + MT7921_TX_RING_SIZE); + if (ret) + return ret; + + mt76_wr(dev, MT_WFDMA0_TX_RING0_EXT_CTRL, 0x4); + + /* command to WM */ + ret = mt76_init_mcu_queue(&dev->mt76, MT_MCUQ_WM, MT7921_TXQ_MCU_WM, + MT7921_TX_MCU_RING_SIZE, MT_TX_RING_BASE); + if (ret) + return ret; + + /* firmware download */ + ret = mt76_init_mcu_queue(&dev->mt76, MT_MCUQ_FWDL, MT7921_TXQ_FWDL, + MT7921_TX_FWDL_RING_SIZE, MT_TX_RING_BASE); + if (ret) + return ret; + + /* event from WM before firmware download */ + ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MCU], + MT7921_RXQ_MCU_WM, + MT7921_RX_MCU_RING_SIZE, + rx_buf_size, MT_RX_EVENT_RING_BASE); + if (ret) + return ret; + + /* Change mcu queue after firmware download */ + ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MCU_WA], + MT7921_RXQ_MCU_WM, + MT7921_RX_MCU_RING_SIZE, + rx_buf_size, MT_WFDMA0(0x540)); + if (ret) + return ret; + + /* rx data */ + ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MAIN], + MT7921_RXQ_BAND0, MT7921_RX_RING_SIZE, + rx_buf_size, MT_RX_DATA_RING_BASE); + if (ret) + return ret; + + ret = mt76_init_queues(dev); + if (ret < 0) + return ret; + + netif_tx_napi_add(&dev->mt76.napi_dev, &dev->mt76.tx_napi, + mt7921_poll_tx, NAPI_POLL_WEIGHT); + napi_enable(&dev->mt76.tx_napi); + + /* configure perfetch settings */ + mt7921_dma_prefetch(dev); + + /* reset dma idx */ + mt76_wr(dev, MT_WFDMA0_RST_DTX_PTR, ~0); + + /* configure delay interrupt */ + mt76_wr(dev, MT_WFDMA0_PRI_DLY_INT_CFG0, 0); + + mt76_set(dev, MT_WFDMA0_GLO_CFG, + MT_WFDMA0_GLO_CFG_TX_WB_DDONE | + MT_WFDMA0_GLO_CFG_FIFO_LITTLE_ENDIAN | + MT_WFDMA0_GLO_CFG_CLK_GAT_DIS | + MT_WFDMA0_GLO_CFG_OMIT_TX_INFO | + MT_WFDMA0_GLO_CFG_CSR_DISP_BASE_PTR_CHAIN_EN | + MT_WFDMA0_GLO_CFG_OMIT_RX_INFO_PFET2); + + mt76_set(dev, MT_WFDMA0_GLO_CFG, + MT_WFDMA0_GLO_CFG_TX_DMA_EN | MT_WFDMA0_GLO_CFG_RX_DMA_EN); + + mt76_set(dev, 0x54000120, BIT(1)); + + /* enable interrupts for TX/RX rings */ + mt7921_irq_enable(dev, MT_INT_RX_DONE_ALL | MT_INT_TX_DONE_ALL | + MT_INT_MCU_CMD); + + return 0; +} + +void mt7921_dma_cleanup(struct mt7921_dev *dev) +{ + /* disable */ + mt76_clear(dev, MT_WFDMA0_GLO_CFG, + MT_WFDMA0_GLO_CFG_TX_DMA_EN | + MT_WFDMA0_GLO_CFG_RX_DMA_EN | + MT_WFDMA0_GLO_CFG_CSR_DISP_BASE_PTR_CHAIN_EN | + MT_WFDMA0_GLO_CFG_OMIT_TX_INFO | + MT_WFDMA0_GLO_CFG_OMIT_RX_INFO | + MT_WFDMA0_GLO_CFG_OMIT_RX_INFO_PFET2); + + /* reset */ + mt76_clear(dev, MT_WFDMA0_RST, + MT_WFDMA0_RST_DMASHDL_ALL_RST | + MT_WFDMA0_RST_LOGIC_RST); + + mt76_set(dev, MT_WFDMA0_RST, + MT_WFDMA0_RST_DMASHDL_ALL_RST | + MT_WFDMA0_RST_LOGIC_RST); + + mt76_dma_cleanup(&dev->mt76); +} diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/eeprom.c b/drivers/net/wireless/mediatek/mt76/mt7921/eeprom.c new file mode 100644 index 000000000000..833fe9afd2b1 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt7921/eeprom.c @@ -0,0 +1,247 @@ +// SPDX-License-Identifier: ISC +/* Copyright (C) 2020 MediaTek Inc. */ + +#include "mt7921.h" +#include "eeprom.h" + +static u32 mt7921_eeprom_read(struct mt7921_dev *dev, u32 offset) +{ + u8 *data = dev->mt76.eeprom.data; + + if (data[offset] == 0xff) + mt7921_mcu_get_eeprom(dev, offset); + + return data[offset]; +} + +static int mt7921_eeprom_load(struct mt7921_dev *dev) +{ + int ret; + + ret = mt76_eeprom_init(&dev->mt76, MT7921_EEPROM_SIZE); + if (ret < 0) + return ret; + + memset(dev->mt76.eeprom.data, -1, MT7921_EEPROM_SIZE); + + return 0; +} + +static int mt7921_check_eeprom(struct mt7921_dev *dev) +{ + u8 *eeprom = dev->mt76.eeprom.data; + u16 val; + + mt7921_eeprom_read(dev, MT_EE_CHIP_ID); + val = get_unaligned_le16(eeprom); + + switch (val) { + case 0x7961: + return 0; + default: + return -EINVAL; + } +} + +void mt7921_eeprom_parse_band_config(struct mt7921_phy *phy) +{ + struct mt7921_dev *dev = phy->dev; + bool ext_phy = phy != &dev->phy; + u32 val; + + val = mt7921_eeprom_read(dev, MT_EE_WIFI_CONF + ext_phy); + val = FIELD_GET(MT_EE_WIFI_CONF_BAND_SEL, val); + switch (val) { + case MT_EE_5GHZ: + phy->mt76->cap.has_5ghz = true; + break; + case MT_EE_2GHZ: + phy->mt76->cap.has_2ghz = true; + break; + default: + phy->mt76->cap.has_2ghz = true; + phy->mt76->cap.has_5ghz = true; + break; + } +} + +static void mt7921_eeprom_parse_hw_cap(struct mt7921_dev *dev) +{ + u8 tx_mask, *eeprom = dev->mt76.eeprom.data; + + mt7921_eeprom_parse_band_config(&dev->phy); + + /* read tx mask from eeprom */ + tx_mask = FIELD_GET(MT_EE_WIFI_CONF_TX_MASK, eeprom[MT_EE_WIFI_CONF]); + if (!tx_mask || tx_mask > 4) + tx_mask = 4; + + /* Should fix eeprom */ + tx_mask = 2; + dev->chainmask = BIT(tx_mask) - 1; + dev->mphy.antenna_mask = dev->chainmask; + dev->phy.chainmask = dev->mphy.antenna_mask; +} + +int mt7921_eeprom_init(struct mt7921_dev *dev) +{ + int ret; + + ret = mt7921_eeprom_load(dev); + if (ret < 0) + return ret; + + ret = mt7921_check_eeprom(dev); + if (ret) + return ret; + + mt7921_eeprom_parse_hw_cap(dev); + memcpy(dev->mphy.macaddr, dev->mt76.eeprom.data + MT_EE_MAC_ADDR, + ETH_ALEN); + + mt76_eeprom_override(&dev->mphy); + + return 0; +} + +int mt7921_eeprom_get_target_power(struct mt7921_dev *dev, + struct ieee80211_channel *chan, + u8 chain_idx) +{ + int index; + bool tssi_on; + + if (chain_idx > 3) + return -EINVAL; + + tssi_on = mt7921_tssi_enabled(dev, chan->band); + + if (chan->band == NL80211_BAND_2GHZ) { + index = MT_EE_TX0_POWER_2G + chain_idx * 3 + !tssi_on; + } else { + int group = tssi_on ? + mt7921_get_channel_group(chan->hw_value) : 8; + + index = MT_EE_TX0_POWER_5G + chain_idx * 12 + group; + } + + return mt7921_eeprom_read(dev, index); +} + +static const u8 sku_cck_delta_map[] = { + SKU_CCK_GROUP0, + SKU_CCK_GROUP0, + SKU_CCK_GROUP1, + SKU_CCK_GROUP1, +}; + +static const u8 sku_ofdm_delta_map[] = { + SKU_OFDM_GROUP0, + SKU_OFDM_GROUP0, + SKU_OFDM_GROUP1, + SKU_OFDM_GROUP1, + SKU_OFDM_GROUP2, + SKU_OFDM_GROUP2, + SKU_OFDM_GROUP3, + SKU_OFDM_GROUP4, +}; + +static const u8 sku_mcs_delta_map[] = { + SKU_MCS_GROUP0, + SKU_MCS_GROUP1, + SKU_MCS_GROUP1, + SKU_MCS_GROUP2, + SKU_MCS_GROUP2, + SKU_MCS_GROUP3, + SKU_MCS_GROUP4, + SKU_MCS_GROUP5, + SKU_MCS_GROUP6, + SKU_MCS_GROUP7, + SKU_MCS_GROUP8, + SKU_MCS_GROUP9, +}; + +#define SKU_GROUP(_mode, _len, _ofs_2g, _ofs_5g, _map) \ + [_mode] = { \ + .len = _len, \ + .offset = { \ + _ofs_2g, \ + _ofs_5g, \ + }, \ + .delta_map = _map \ +} + +const struct sku_group mt7921_sku_groups[] = { + SKU_GROUP(SKU_CCK, 4, 0x252, 0, sku_cck_delta_map), + SKU_GROUP(SKU_OFDM, 8, 0x254, 0x29d, sku_ofdm_delta_map), + + SKU_GROUP(SKU_HT_BW20, 8, 0x259, 0x2a2, sku_mcs_delta_map), + SKU_GROUP(SKU_HT_BW40, 9, 0x262, 0x2ab, sku_mcs_delta_map), + SKU_GROUP(SKU_VHT_BW20, 12, 0x259, 0x2a2, sku_mcs_delta_map), + SKU_GROUP(SKU_VHT_BW40, 12, 0x262, 0x2ab, sku_mcs_delta_map), + SKU_GROUP(SKU_VHT_BW80, 12, 0, 0x2b4, sku_mcs_delta_map), + SKU_GROUP(SKU_VHT_BW160, 12, 0, 0, sku_mcs_delta_map), + + SKU_GROUP(SKU_HE_RU26, 12, 0x27f, 0x2dd, sku_mcs_delta_map), + SKU_GROUP(SKU_HE_RU52, 12, 0x289, 0x2e7, sku_mcs_delta_map), + SKU_GROUP(SKU_HE_RU106, 12, 0x293, 0x2f1, sku_mcs_delta_map), + SKU_GROUP(SKU_HE_RU242, 12, 0x26b, 0x2bf, sku_mcs_delta_map), + SKU_GROUP(SKU_HE_RU484, 12, 0x275, 0x2c9, sku_mcs_delta_map), + SKU_GROUP(SKU_HE_RU996, 12, 0, 0x2d3, sku_mcs_delta_map), + SKU_GROUP(SKU_HE_RU2x996, 12, 0, 0, sku_mcs_delta_map), +}; + +static s8 +mt7921_get_sku_delta(struct mt7921_dev *dev, u32 addr) +{ + u32 val = mt7921_eeprom_read(dev, addr); + s8 delta = FIELD_GET(SKU_DELTA_VAL, val); + + if (!(val & SKU_DELTA_EN)) + return 0; + + return val & SKU_DELTA_ADD ? delta : -delta; +} + +static void +mt7921_eeprom_init_sku_band(struct mt7921_dev *dev, + struct ieee80211_supported_band *sband) +{ + int i, band = sband->band; + s8 *rate_power = dev->rate_power[band], max_delta = 0; + u8 idx = 0; + + for (i = 0; i < ARRAY_SIZE(mt7921_sku_groups); i++) { + const struct sku_group *sku = &mt7921_sku_groups[i]; + u32 offset = sku->offset[band]; + int j; + + if (!offset) { + idx += sku->len; + continue; + } + + rate_power[idx++] = mt7921_get_sku_delta(dev, offset); + if (rate_power[idx - 1] > max_delta) + max_delta = rate_power[idx - 1]; + + if (i == SKU_HT_BW20 || i == SKU_VHT_BW20) + offset += 1; + + for (j = 1; j < sku->len; j++) { + u32 addr = offset + sku->delta_map[j]; + + rate_power[idx++] = mt7921_get_sku_delta(dev, addr); + if (rate_power[idx - 1] > max_delta) + max_delta = rate_power[idx - 1]; + } + } + + rate_power[idx] = max_delta; +} + +void mt7921_eeprom_init_sku(struct mt7921_dev *dev) +{ + mt7921_eeprom_init_sku_band(dev, &dev->mphy.sband_2g.sband); + mt7921_eeprom_init_sku_band(dev, &dev->mphy.sband_5g.sband); +} diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/eeprom.h b/drivers/net/wireless/mediatek/mt76/mt7921/eeprom.h new file mode 100644 index 000000000000..0f6bb1e20210 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt7921/eeprom.h @@ -0,0 +1,126 @@ +/* SPDX-License-Identifier: ISC */ +/* Copyright (C) 2020 MediaTek Inc. */ + +#ifndef __MT7921_EEPROM_H +#define __MT7921_EEPROM_H + +#include "mt7921.h" + +struct cal_data { + u8 count; + u16 offset[60]; +}; + +enum mt7921_eeprom_field { + MT_EE_CHIP_ID = 0x000, + MT_EE_VERSION = 0x002, + MT_EE_MAC_ADDR = 0x004, + MT_EE_MAC_ADDR2 = 0x00a, + MT_EE_DDIE_FT_VERSION = 0x050, + MT_EE_WIFI_CONF = 0x190, + MT_EE_TX0_POWER_2G = 0x2fc, + MT_EE_TX0_POWER_5G = 0x34b, + MT_EE_ADIE_FT_VERSION = 0x9a0, + + __MT_EE_MAX = 0xe00 +}; + +#define MT_EE_WIFI_CONF_TX_MASK GENMASK(2, 0) +#define MT_EE_WIFI_CONF_BAND_SEL GENMASK(7, 6) +#define MT_EE_WIFI_CONF_TSSI0_2G BIT(0) +#define MT_EE_WIFI_CONF_TSSI0_5G BIT(2) +#define MT_EE_WIFI_CONF_TSSI1_5G BIT(4) + +enum mt7921_eeprom_band { + MT_EE_DUAL_BAND, + MT_EE_5GHZ, + MT_EE_2GHZ, + MT_EE_DBDC, +}; + +#define SKU_DELTA_VAL GENMASK(5, 0) +#define SKU_DELTA_ADD BIT(6) +#define SKU_DELTA_EN BIT(7) + +enum mt7921_sku_delta_group { + SKU_CCK_GROUP0, + SKU_CCK_GROUP1, + + SKU_OFDM_GROUP0 = 0, + SKU_OFDM_GROUP1, + SKU_OFDM_GROUP2, + SKU_OFDM_GROUP3, + SKU_OFDM_GROUP4, + + SKU_MCS_GROUP0 = 0, + SKU_MCS_GROUP1, + SKU_MCS_GROUP2, + SKU_MCS_GROUP3, + SKU_MCS_GROUP4, + SKU_MCS_GROUP5, + SKU_MCS_GROUP6, + SKU_MCS_GROUP7, + SKU_MCS_GROUP8, + SKU_MCS_GROUP9, +}; + +enum mt7921_sku_rate_group { + SKU_CCK, + SKU_OFDM, + SKU_HT_BW20, + SKU_HT_BW40, + SKU_VHT_BW20, + SKU_VHT_BW40, + SKU_VHT_BW80, + SKU_VHT_BW160, + SKU_HE_RU26, + SKU_HE_RU52, + SKU_HE_RU106, + SKU_HE_RU242, + SKU_HE_RU484, + SKU_HE_RU996, + SKU_HE_RU2x996, + MAX_SKU_RATE_GROUP_NUM, +}; + +struct sku_group { + u8 len; + u16 offset[2]; + const u8 *delta_map; +}; + +static inline int +mt7921_get_channel_group(int channel) +{ + if (channel >= 184 && channel <= 196) + return 0; + if (channel <= 48) + return 1; + if (channel <= 64) + return 2; + if (channel <= 96) + return 3; + if (channel <= 112) + return 4; + if (channel <= 128) + return 5; + if (channel <= 144) + return 6; + return 7; +} + +static inline bool +mt7921_tssi_enabled(struct mt7921_dev *dev, enum nl80211_band band) +{ + u8 *eep = dev->mt76.eeprom.data; + + /* TODO: DBDC */ + if (band == NL80211_BAND_5GHZ) + return eep[MT_EE_WIFI_CONF + 7] & MT_EE_WIFI_CONF_TSSI0_5G; + else + return eep[MT_EE_WIFI_CONF + 7] & MT_EE_WIFI_CONF_TSSI0_2G; +} + +extern const struct sku_group mt7921_sku_groups[]; + +#endif diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/init.c b/drivers/net/wireless/mediatek/mt76/mt7921/init.c new file mode 100644 index 000000000000..c419026a03c1 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt7921/init.c @@ -0,0 +1,482 @@ +// SPDX-License-Identifier: ISC +/* Copyright (C) 2020 MediaTek Inc. */ + +#include +#include "mt7921.h" +#include "mac.h" +#include "eeprom.h" + +#define CCK_RATE(_idx, _rate) { \ + .bitrate = _rate, \ + .flags = IEEE80211_RATE_SHORT_PREAMBLE, \ + .hw_value = (MT_PHY_TYPE_CCK << 8) | (_idx), \ + .hw_value_short = (MT_PHY_TYPE_CCK << 8) | (4 + (_idx)), \ +} + +#define OFDM_RATE(_idx, _rate) { \ + .bitrate = _rate, \ + .hw_value = (MT_PHY_TYPE_OFDM << 8) | (_idx), \ + .hw_value_short = (MT_PHY_TYPE_OFDM << 8) | (_idx), \ +} + +static struct ieee80211_rate mt7921_rates[] = { + CCK_RATE(0, 10), + CCK_RATE(1, 20), + CCK_RATE(2, 55), + CCK_RATE(3, 110), + OFDM_RATE(11, 60), + OFDM_RATE(15, 90), + OFDM_RATE(10, 120), + OFDM_RATE(14, 180), + OFDM_RATE(9, 240), + OFDM_RATE(13, 360), + OFDM_RATE(8, 480), + OFDM_RATE(12, 540), +}; + +static const struct ieee80211_iface_limit if_limits[] = { + { + .max = MT7921_MAX_INTERFACES, + .types = BIT(NL80211_IFTYPE_STATION) + } +}; + +static const struct ieee80211_iface_combination if_comb[] = { + { + .limits = if_limits, + .n_limits = ARRAY_SIZE(if_limits), + .max_interfaces = MT7921_MAX_INTERFACES, + .num_different_channels = 1, + .beacon_int_infra_match = true, + .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | + BIT(NL80211_CHAN_WIDTH_20) | + BIT(NL80211_CHAN_WIDTH_40) | + BIT(NL80211_CHAN_WIDTH_80) | + BIT(NL80211_CHAN_WIDTH_160) | + BIT(NL80211_CHAN_WIDTH_80P80), + } +}; + +static void +mt7921_init_wiphy(struct ieee80211_hw *hw) +{ + struct mt7921_phy *phy = mt7921_hw_phy(hw); + struct wiphy *wiphy = hw->wiphy; + + hw->queues = 4; + hw->max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF; + hw->max_tx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF; + + phy->slottime = 9; + + hw->sta_data_size = sizeof(struct mt7921_sta); + hw->vif_data_size = sizeof(struct mt7921_vif); + + wiphy->iface_combinations = if_comb; + wiphy->n_iface_combinations = ARRAY_SIZE(if_comb); + wiphy->max_scan_ie_len = MT7921_SCAN_IE_LEN; + wiphy->max_scan_ssids = 4; + wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH; + + wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_SET_SCAN_DWELL); + wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_VHT_IBSS); + + ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS); + ieee80211_hw_set(hw, HAS_RATE_CONTROL); + ieee80211_hw_set(hw, SUPPORTS_TX_ENCAP_OFFLOAD); + ieee80211_hw_set(hw, WANT_MONITOR_VIF); + + hw->max_tx_fragments = 4; +} + +static void +mt7921_mac_init_band(struct mt7921_dev *dev, u8 band) +{ + u32 mask, set; + + mt76_rmw_field(dev, MT_TMAC_CTCR0(band), + MT_TMAC_CTCR0_INS_DDLMT_REFTIME, 0x3f); + mt76_set(dev, MT_TMAC_CTCR0(band), + MT_TMAC_CTCR0_INS_DDLMT_VHT_SMPDU_EN | + MT_TMAC_CTCR0_INS_DDLMT_EN); + + mask = MT_MDP_RCFR0_MCU_RX_MGMT | + MT_MDP_RCFR0_MCU_RX_CTL_NON_BAR | + MT_MDP_RCFR0_MCU_RX_CTL_BAR; + set = FIELD_PREP(MT_MDP_RCFR0_MCU_RX_MGMT, MT_MDP_TO_HIF) | + FIELD_PREP(MT_MDP_RCFR0_MCU_RX_CTL_NON_BAR, MT_MDP_TO_HIF) | + FIELD_PREP(MT_MDP_RCFR0_MCU_RX_CTL_BAR, MT_MDP_TO_HIF); + mt76_rmw(dev, MT_MDP_BNRCFR0(band), mask, set); + + mask = MT_MDP_RCFR1_MCU_RX_BYPASS | + MT_MDP_RCFR1_RX_DROPPED_UCAST | + MT_MDP_RCFR1_RX_DROPPED_MCAST; + set = FIELD_PREP(MT_MDP_RCFR1_MCU_RX_BYPASS, MT_MDP_TO_HIF) | + FIELD_PREP(MT_MDP_RCFR1_RX_DROPPED_UCAST, MT_MDP_TO_HIF) | + FIELD_PREP(MT_MDP_RCFR1_RX_DROPPED_MCAST, MT_MDP_TO_HIF); + mt76_rmw(dev, MT_MDP_BNRCFR1(band), mask, set); + + mt76_set(dev, MT_WF_RMAC_MIB_TIME0(band), MT_WF_RMAC_MIB_RXTIME_EN); + mt76_set(dev, MT_WF_RMAC_MIB_AIRTIME0(band), MT_WF_RMAC_MIB_RXTIME_EN); + + mt76_rmw_field(dev, MT_DMA_DCR0(band), MT_DMA_DCR0_MAX_RX_LEN, 1536); + /* disable rx rate report by default due to hw issues */ + mt76_clear(dev, MT_DMA_DCR0(band), MT_DMA_DCR0_RXD_G5_EN); +} + +static void mt7921_mac_init(struct mt7921_dev *dev) +{ + int i; + + mt76_rmw_field(dev, MT_MDP_DCR1, MT_MDP_DCR1_MAX_RX_LEN, 1536); + /* disable hardware de-agg */ + mt76_clear(dev, MT_MDP_DCR0, MT_MDP_DCR0_DAMSDU_EN); + + for (i = 0; i < MT7921_WTBL_SIZE; i++) + mt7921_mac_wtbl_update(dev, i, + MT_WTBL_UPDATE_ADM_COUNT_CLEAR); + for (i = 0; i < 2; i++) + mt7921_mac_init_band(dev, i); + + mt7921_mcu_set_rts_thresh(&dev->phy, 0x92b); +} + +static void +mt7921_init_txpower_band(struct mt7921_dev *dev, + struct ieee80211_supported_band *sband) +{ + int i, n_chains = hweight8(dev->mphy.antenna_mask); + + for (i = 0; i < sband->n_channels; i++) { + struct ieee80211_channel *chan = &sband->channels[i]; + u32 target_power = 0; + int j; + + for (j = 0; j < n_chains; j++) { + u32 val; + + val = mt7921_eeprom_get_target_power(dev, chan, j); + target_power = max(target_power, val); + } + + chan->max_power = min_t(int, chan->max_reg_power, + target_power / 2); + chan->orig_mpwr = target_power / 2; + } +} + +static void mt7921_init_txpower(struct mt7921_dev *dev) +{ + mt7921_init_txpower_band(dev, &dev->mphy.sband_2g.sband); + mt7921_init_txpower_band(dev, &dev->mphy.sband_5g.sband); + + mt7921_eeprom_init_sku(dev); +} + +static void mt7921_init_work(struct work_struct *work) +{ + struct mt7921_dev *dev = container_of(work, struct mt7921_dev, + init_work); + + mt7921_mcu_set_eeprom(dev); + mt7921_mac_init(dev); + mt7921_init_txpower(dev); +} + +static int mt7921_init_hardware(struct mt7921_dev *dev) +{ + int ret, idx; + + INIT_WORK(&dev->init_work, mt7921_init_work); + spin_lock_init(&dev->token_lock); + idr_init(&dev->token); + + ret = mt7921_dma_init(dev); + if (ret) + return ret; + + set_bit(MT76_STATE_INITIALIZED, &dev->mphy.state); + + /* force firmware operation mode into normal state, + * which should be set before firmware download stage. + */ + mt76_wr(dev, MT_SWDEF_MODE, MT_SWDEF_NORMAL_MODE); + + ret = mt7921_mcu_init(dev); + if (ret) + return ret; + + ret = mt7921_eeprom_init(dev); + if (ret < 0) + return ret; + + /* Beacon and mgmt frames should occupy wcid 0 */ + idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7921_WTBL_STA - 1); + if (idx) + return -ENOSPC; + + dev->mt76.global_wcid.idx = idx; + dev->mt76.global_wcid.hw_key_idx = -1; + dev->mt76.global_wcid.tx_info |= MT_WCID_TX_INFO_SET; + rcu_assign_pointer(dev->mt76.wcid[idx], &dev->mt76.global_wcid); + + return 0; +} + +static void +mt7921_gen_ppe_thresh(u8 *he_ppet, int nss) +{ + u8 i, ppet_bits, ppet_size, ru_bit_mask = 0x7; /* HE80 */ + u8 ppet16_ppet8_ru3_ru0[] = {0x1c, 0xc7, 0x71}; + + he_ppet[0] = FIELD_PREP(IEEE80211_PPE_THRES_NSS_MASK, nss - 1) | + FIELD_PREP(IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK, + ru_bit_mask); + + ppet_bits = IEEE80211_PPE_THRES_INFO_PPET_SIZE * + nss * hweight8(ru_bit_mask) * 2; + ppet_size = DIV_ROUND_UP(ppet_bits, 8); + + for (i = 0; i < ppet_size - 1; i++) + he_ppet[i + 1] = ppet16_ppet8_ru3_ru0[i % 3]; + + he_ppet[i + 1] = ppet16_ppet8_ru3_ru0[i % 3] & + (0xff >> (8 - (ppet_bits - 1) % 8)); +} + +static int +mt7921_init_he_caps(struct mt7921_phy *phy, enum nl80211_band band, + struct ieee80211_sband_iftype_data *data) +{ + int i, idx = 0; + int nss = hweight8(phy->chainmask); + u16 mcs_map = 0; + + for (i = 0; i < 8; i++) { + if (i < nss) + mcs_map |= (IEEE80211_HE_MCS_SUPPORT_0_11 << (i * 2)); + else + mcs_map |= (IEEE80211_HE_MCS_NOT_SUPPORTED << (i * 2)); + } + + for (i = 0; i < NUM_NL80211_IFTYPES; i++) { + struct ieee80211_sta_he_cap *he_cap = &data[idx].he_cap; + struct ieee80211_he_cap_elem *he_cap_elem = + &he_cap->he_cap_elem; + struct ieee80211_he_mcs_nss_supp *he_mcs = + &he_cap->he_mcs_nss_supp; + + switch (i) { + case NL80211_IFTYPE_STATION: + case NL80211_IFTYPE_AP: +#ifdef CONFIG_MAC80211_MESH + case NL80211_IFTYPE_MESH_POINT: +#endif + break; + default: + continue; + } + + data[idx].types_mask = BIT(i); + he_cap->has_he = true; + + he_cap_elem->mac_cap_info[0] = + IEEE80211_HE_MAC_CAP0_HTC_HE; + he_cap_elem->mac_cap_info[3] = + IEEE80211_HE_MAC_CAP3_OMI_CONTROL | + IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_RESERVED; + he_cap_elem->mac_cap_info[4] = + IEEE80211_HE_MAC_CAP4_AMDSU_IN_AMPDU; + + if (band == NL80211_BAND_2GHZ) + he_cap_elem->phy_cap_info[0] = + IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G; + else if (band == NL80211_BAND_5GHZ) + he_cap_elem->phy_cap_info[0] = + IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G | + IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G; + + he_cap_elem->phy_cap_info[1] = + IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD; + he_cap_elem->phy_cap_info[2] = + IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ | + IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ; + + switch (i) { + case NL80211_IFTYPE_AP: + he_cap_elem->mac_cap_info[0] |= + IEEE80211_HE_MAC_CAP0_TWT_RES; + he_cap_elem->mac_cap_info[2] |= + IEEE80211_HE_MAC_CAP2_BSR; + he_cap_elem->mac_cap_info[4] |= + IEEE80211_HE_MAC_CAP4_BQR; + he_cap_elem->mac_cap_info[5] |= + IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX; + he_cap_elem->phy_cap_info[3] |= + IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK | + IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK; + he_cap_elem->phy_cap_info[6] |= + IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT; + break; + case NL80211_IFTYPE_STATION: + he_cap_elem->mac_cap_info[0] |= + IEEE80211_HE_MAC_CAP0_TWT_REQ; + he_cap_elem->mac_cap_info[1] |= + IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US; + + if (band == NL80211_BAND_2GHZ) + he_cap_elem->phy_cap_info[0] |= + IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G; + else if (band == NL80211_BAND_5GHZ) + he_cap_elem->phy_cap_info[0] |= + IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G; + + he_cap_elem->phy_cap_info[1] |= + IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A | + IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US; + he_cap_elem->phy_cap_info[3] |= + IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK | + IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK; + he_cap_elem->phy_cap_info[6] |= + IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB | + IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE | + IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT; + he_cap_elem->phy_cap_info[7] |= + IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_AR | + IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI; + he_cap_elem->phy_cap_info[8] |= + IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G | + IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484; + he_cap_elem->phy_cap_info[9] |= + IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM | + IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK | + IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU | + IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU | + IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB | + IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB; + break; + } + + he_mcs->rx_mcs_80 = cpu_to_le16(mcs_map); + he_mcs->tx_mcs_80 = cpu_to_le16(mcs_map); + he_mcs->rx_mcs_160 = cpu_to_le16(mcs_map); + he_mcs->tx_mcs_160 = cpu_to_le16(mcs_map); + he_mcs->rx_mcs_80p80 = cpu_to_le16(mcs_map); + he_mcs->tx_mcs_80p80 = cpu_to_le16(mcs_map); + + memset(he_cap->ppe_thres, 0, sizeof(he_cap->ppe_thres)); + if (he_cap_elem->phy_cap_info[6] & + IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { + mt7921_gen_ppe_thresh(he_cap->ppe_thres, nss); + } else { + he_cap_elem->phy_cap_info[9] |= + IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US; + } + idx++; + } + + return idx; +} + +void mt7921_set_stream_he_caps(struct mt7921_phy *phy) +{ + struct ieee80211_sband_iftype_data *data; + struct ieee80211_supported_band *band; + int n; + + if (phy->mt76->cap.has_2ghz) { + data = phy->iftype[NL80211_BAND_2GHZ]; + n = mt7921_init_he_caps(phy, NL80211_BAND_2GHZ, data); + + band = &phy->mt76->sband_2g.sband; + band->iftype_data = data; + band->n_iftype_data = n; + } + + if (phy->mt76->cap.has_5ghz) { + data = phy->iftype[NL80211_BAND_5GHZ]; + n = mt7921_init_he_caps(phy, NL80211_BAND_5GHZ, data); + + band = &phy->mt76->sband_5g.sband; + band->iftype_data = data; + band->n_iftype_data = n; + } +} + +int mt7921_register_device(struct mt7921_dev *dev) +{ + struct ieee80211_hw *hw = mt76_hw(dev); + int ret; + + dev->phy.dev = dev; + dev->phy.mt76 = &dev->mt76.phy; + dev->mt76.phy.priv = &dev->phy; + INIT_DELAYED_WORK(&dev->phy.mac_work, mt7921_mac_work); + INIT_DELAYED_WORK(&dev->phy.scan_work, mt7921_scan_work); + skb_queue_head_init(&dev->phy.scan_event_list); + INIT_LIST_HEAD(&dev->sta_poll_list); + spin_lock_init(&dev->sta_poll_lock); + + init_waitqueue_head(&dev->reset_wait); + INIT_WORK(&dev->reset_work, mt7921_mac_reset_work); + + ret = mt7921_init_hardware(dev); + if (ret) + return ret; + + mt7921_init_wiphy(hw); + dev->mphy.sband_2g.sband.ht_cap.cap |= + IEEE80211_HT_CAP_LDPC_CODING | + IEEE80211_HT_CAP_MAX_AMSDU; + dev->mphy.sband_5g.sband.ht_cap.cap |= + IEEE80211_HT_CAP_LDPC_CODING | + IEEE80211_HT_CAP_MAX_AMSDU; + dev->mphy.sband_5g.sband.vht_cap.cap |= + IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 | + IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK; + dev->mphy.sband_5g.sband.vht_cap.cap |= + IEEE80211_VHT_CAP_SHORT_GI_160 | + IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ; + dev->mphy.hw->wiphy->available_antennas_rx = dev->phy.chainmask; + dev->mphy.hw->wiphy->available_antennas_tx = dev->phy.chainmask; + + mt76_set_stream_caps(&dev->mphy, true); + mt7921_set_stream_he_caps(&dev->phy); + + ret = mt76_register_device(&dev->mt76, true, mt7921_rates, + ARRAY_SIZE(mt7921_rates)); + if (ret) + return ret; + + ieee80211_queue_work(mt76_hw(dev), &dev->init_work); + + return mt7921_init_debugfs(dev); +} + +void mt7921_unregister_device(struct mt7921_dev *dev) +{ + struct mt76_txwi_cache *txwi; + int id; + + mt76_unregister_device(&dev->mt76); + mt7921_mcu_exit(dev); + mt7921_dma_cleanup(dev); + + spin_lock_bh(&dev->token_lock); + idr_for_each_entry(&dev->token, txwi, id) { + mt7921_txp_skb_unmap(&dev->mt76, txwi); + if (txwi->skb) { + struct ieee80211_hw *hw; + + hw = mt76_tx_status_get_hw(&dev->mt76, txwi->skb); + ieee80211_free_txskb(hw, txwi->skb); + } + mt76_put_txwi(&dev->mt76, txwi); + dev->token_count--; + } + spin_unlock_bh(&dev->token_lock); + idr_destroy(&dev->token); + + tasklet_disable(&dev->irq_tasklet); + mt76_free_device(&dev->mt76); +} diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c new file mode 100644 index 000000000000..3a6f6d4cbfcf --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c @@ -0,0 +1,1387 @@ +// SPDX-License-Identifier: ISC +/* Copyright (C) 2020 MediaTek Inc. */ + +#include +#include +#include "mt7921.h" +#include "../dma.h" +#include "mac.h" + +#define to_rssi(field, rxv) ((FIELD_GET(field, rxv) - 220) / 2) + +#define HE_BITS(f) cpu_to_le16(IEEE80211_RADIOTAP_HE_##f) +#define HE_PREP(f, m, v) le16_encode_bits(le32_get_bits(v, MT_CRXV_HE_##m),\ + IEEE80211_RADIOTAP_HE_##f) + +static struct mt76_wcid *mt7921_rx_get_wcid(struct mt7921_dev *dev, + u16 idx, bool unicast) +{ + struct mt7921_sta *sta; + struct mt76_wcid *wcid; + + if (idx >= ARRAY_SIZE(dev->mt76.wcid)) + return NULL; + + wcid = rcu_dereference(dev->mt76.wcid[idx]); + if (unicast || !wcid) + return wcid; + + if (!wcid->sta) + return NULL; + + sta = container_of(wcid, struct mt7921_sta, wcid); + if (!sta->vif) + return NULL; + + return &sta->vif->sta.wcid; +} + +void mt7921_sta_ps(struct mt76_dev *mdev, struct ieee80211_sta *sta, bool ps) +{ +} + +bool mt7921_mac_wtbl_update(struct mt7921_dev *dev, int idx, u32 mask) +{ + mt76_rmw(dev, MT_WTBL_UPDATE, MT_WTBL_UPDATE_WLAN_IDX, + FIELD_PREP(MT_WTBL_UPDATE_WLAN_IDX, idx) | mask); + + return mt76_poll(dev, MT_WTBL_UPDATE, MT_WTBL_UPDATE_BUSY, + 0, 5000); +} + +static u32 mt7921_mac_wtbl_lmac_addr(struct mt7921_dev *dev, u16 wcid) +{ + mt76_wr(dev, MT_WTBLON_TOP_WDUCR, + FIELD_PREP(MT_WTBLON_TOP_WDUCR_GROUP, (wcid >> 7))); + + return MT_WTBL_LMAC_OFFS(wcid, 0); +} + +static void mt7921_mac_sta_poll(struct mt7921_dev *dev) +{ + static const u8 ac_to_tid[] = { + [IEEE80211_AC_BE] = 0, + [IEEE80211_AC_BK] = 1, + [IEEE80211_AC_VI] = 4, + [IEEE80211_AC_VO] = 6 + }; + struct ieee80211_sta *sta; + struct mt7921_sta *msta; + u32 tx_time[IEEE80211_NUM_ACS], rx_time[IEEE80211_NUM_ACS]; + LIST_HEAD(sta_poll_list); + int i; + + spin_lock_bh(&dev->sta_poll_lock); + list_splice_init(&dev->sta_poll_list, &sta_poll_list); + spin_unlock_bh(&dev->sta_poll_lock); + + rcu_read_lock(); + + while (true) { + bool clear = false; + u32 addr; + u16 idx; + + spin_lock_bh(&dev->sta_poll_lock); + if (list_empty(&sta_poll_list)) { + spin_unlock_bh(&dev->sta_poll_lock); + break; + } + msta = list_first_entry(&sta_poll_list, + struct mt7921_sta, poll_list); + list_del_init(&msta->poll_list); + spin_unlock_bh(&dev->sta_poll_lock); + + idx = msta->wcid.idx; + addr = mt7921_mac_wtbl_lmac_addr(dev, idx) + 20 * 4; + + for (i = 0; i < IEEE80211_NUM_ACS; i++) { + u32 tx_last = msta->airtime_ac[i]; + u32 rx_last = msta->airtime_ac[i + 4]; + + msta->airtime_ac[i] = mt76_rr(dev, addr); + msta->airtime_ac[i + 4] = mt76_rr(dev, addr + 4); + + tx_time[i] = msta->airtime_ac[i] - tx_last; + rx_time[i] = msta->airtime_ac[i + 4] - rx_last; + + if ((tx_last | rx_last) & BIT(30)) + clear = true; + + addr += 8; + } + + if (clear) { + mt7921_mac_wtbl_update(dev, idx, + MT_WTBL_UPDATE_ADM_COUNT_CLEAR); + memset(msta->airtime_ac, 0, sizeof(msta->airtime_ac)); + } + + if (!msta->wcid.sta) + continue; + + sta = container_of((void *)msta, struct ieee80211_sta, + drv_priv); + for (i = 0; i < IEEE80211_NUM_ACS; i++) { + u8 q = mt7921_lmac_mapping(dev, i); + u32 tx_cur = tx_time[q]; + u32 rx_cur = rx_time[q]; + u8 tid = ac_to_tid[i]; + + if (!tx_cur && !rx_cur) + continue; + + ieee80211_sta_register_airtime(sta, tid, tx_cur, + rx_cur); + } + } + + rcu_read_unlock(); +} + +static void +mt7921_mac_decode_he_radiotap_ru(struct mt76_rx_status *status, + struct ieee80211_radiotap_he *he, + __le32 *rxv) +{ + u32 ru_h, ru_l; + u8 ru, offs = 0; + + ru_l = FIELD_GET(MT_PRXV_HE_RU_ALLOC_L, le32_to_cpu(rxv[0])); + ru_h = FIELD_GET(MT_PRXV_HE_RU_ALLOC_H, le32_to_cpu(rxv[1])); + ru = (u8)(ru_l | ru_h << 4); + + status->bw = RATE_INFO_BW_HE_RU; + + switch (ru) { + case 0 ... 36: + status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_26; + offs = ru; + break; + case 37 ... 52: + status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_52; + offs = ru - 37; + break; + case 53 ... 60: + status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_106; + offs = ru - 53; + break; + case 61 ... 64: + status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_242; + offs = ru - 61; + break; + case 65 ... 66: + status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_484; + offs = ru - 65; + break; + case 67: + status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_996; + break; + case 68: + status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_2x996; + break; + } + + he->data1 |= HE_BITS(DATA1_BW_RU_ALLOC_KNOWN); + he->data2 |= HE_BITS(DATA2_RU_OFFSET_KNOWN) | + le16_encode_bits(offs, + IEEE80211_RADIOTAP_HE_DATA2_RU_OFFSET); +} + +static void +mt7921_mac_decode_he_radiotap(struct sk_buff *skb, + struct mt76_rx_status *status, + __le32 *rxv, u32 phy) +{ + /* TODO: struct ieee80211_radiotap_he_mu */ + static const struct ieee80211_radiotap_he known = { + .data1 = HE_BITS(DATA1_DATA_MCS_KNOWN) | + HE_BITS(DATA1_DATA_DCM_KNOWN) | + HE_BITS(DATA1_STBC_KNOWN) | + HE_BITS(DATA1_CODING_KNOWN) | + HE_BITS(DATA1_LDPC_XSYMSEG_KNOWN) | + HE_BITS(DATA1_DOPPLER_KNOWN) | + HE_BITS(DATA1_BSS_COLOR_KNOWN), + .data2 = HE_BITS(DATA2_GI_KNOWN) | + HE_BITS(DATA2_TXBF_KNOWN) | + HE_BITS(DATA2_PE_DISAMBIG_KNOWN) | + HE_BITS(DATA2_TXOP_KNOWN), + }; + struct ieee80211_radiotap_he *he = NULL; + u32 ltf_size = le32_get_bits(rxv[2], MT_CRXV_HE_LTF_SIZE) + 1; + + he = skb_push(skb, sizeof(known)); + memcpy(he, &known, sizeof(known)); + + he->data3 = HE_PREP(DATA3_BSS_COLOR, BSS_COLOR, rxv[14]) | + HE_PREP(DATA3_LDPC_XSYMSEG, LDPC_EXT_SYM, rxv[2]); + he->data5 = HE_PREP(DATA5_PE_DISAMBIG, PE_DISAMBIG, rxv[2]) | + le16_encode_bits(ltf_size, + IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE); + he->data6 = HE_PREP(DATA6_TXOP, TXOP_DUR, rxv[14]) | + HE_PREP(DATA6_DOPPLER, DOPPLER, rxv[14]); + + switch (phy) { + case MT_PHY_TYPE_HE_SU: + he->data1 |= HE_BITS(DATA1_FORMAT_SU) | + HE_BITS(DATA1_UL_DL_KNOWN) | + HE_BITS(DATA1_BEAM_CHANGE_KNOWN) | + HE_BITS(DATA1_SPTL_REUSE_KNOWN); + + he->data3 |= HE_PREP(DATA3_BEAM_CHANGE, BEAM_CHNG, rxv[14]) | + HE_PREP(DATA3_UL_DL, UPLINK, rxv[2]); + he->data4 |= HE_PREP(DATA4_SU_MU_SPTL_REUSE, SR_MASK, rxv[11]); + break; + case MT_PHY_TYPE_HE_EXT_SU: + he->data1 |= HE_BITS(DATA1_FORMAT_EXT_SU) | + HE_BITS(DATA1_UL_DL_KNOWN); + + he->data3 |= HE_PREP(DATA3_UL_DL, UPLINK, rxv[2]); + break; + case MT_PHY_TYPE_HE_MU: + he->data1 |= HE_BITS(DATA1_FORMAT_MU) | + HE_BITS(DATA1_UL_DL_KNOWN) | + HE_BITS(DATA1_SPTL_REUSE_KNOWN); + + he->data3 |= HE_PREP(DATA3_UL_DL, UPLINK, rxv[2]); + he->data4 |= HE_PREP(DATA4_SU_MU_SPTL_REUSE, SR_MASK, rxv[11]); + + mt7921_mac_decode_he_radiotap_ru(status, he, rxv); + break; + case MT_PHY_TYPE_HE_TB: + he->data1 |= HE_BITS(DATA1_FORMAT_TRIG) | + HE_BITS(DATA1_SPTL_REUSE_KNOWN) | + HE_BITS(DATA1_SPTL_REUSE2_KNOWN) | + HE_BITS(DATA1_SPTL_REUSE3_KNOWN) | + HE_BITS(DATA1_SPTL_REUSE4_KNOWN); + + he->data4 |= HE_PREP(DATA4_TB_SPTL_REUSE1, SR_MASK, rxv[11]) | + HE_PREP(DATA4_TB_SPTL_REUSE2, SR1_MASK, rxv[11]) | + HE_PREP(DATA4_TB_SPTL_REUSE3, SR2_MASK, rxv[11]) | + HE_PREP(DATA4_TB_SPTL_REUSE4, SR3_MASK, rxv[11]); + + mt7921_mac_decode_he_radiotap_ru(status, he, rxv); + break; + default: + break; + } +} + +static void +mt7921_get_status_freq_info(struct mt7921_dev *dev, struct mt76_phy *mphy, + struct mt76_rx_status *status, u8 chfreq) +{ + if (!test_bit(MT76_HW_SCANNING, &mphy->state) && + !test_bit(MT76_HW_SCHED_SCANNING, &mphy->state) && + !test_bit(MT76_STATE_ROC, &mphy->state)) { + status->freq = mphy->chandef.chan->center_freq; + status->band = mphy->chandef.chan->band; + return; + } + + status->band = chfreq <= 14 ? NL80211_BAND_2GHZ : NL80211_BAND_5GHZ; + status->freq = ieee80211_channel_to_frequency(chfreq, status->band); +} + +int mt7921_mac_fill_rx(struct mt7921_dev *dev, struct sk_buff *skb) +{ + struct mt76_rx_status *status = (struct mt76_rx_status *)skb->cb; + struct mt76_phy *mphy = &dev->mt76.phy; + struct mt7921_phy *phy = &dev->phy; + struct ieee80211_supported_band *sband; + struct ieee80211_hdr *hdr; + __le32 *rxd = (__le32 *)skb->data; + __le32 *rxv = NULL; + u32 mode = 0; + u32 rxd1 = le32_to_cpu(rxd[1]); + u32 rxd2 = le32_to_cpu(rxd[2]); + u32 rxd3 = le32_to_cpu(rxd[3]); + bool unicast, insert_ccmp_hdr = false; + u8 remove_pad; + int i, idx; + u8 chfreq; + + memset(status, 0, sizeof(*status)); + + if (rxd1 & MT_RXD1_NORMAL_BAND_IDX) { + mphy = dev->mt76.phy2; + if (!mphy) + return -EINVAL; + + phy = mphy->priv; + status->ext_phy = true; + } + + if (!test_bit(MT76_STATE_RUNNING, &mphy->state)) + return -EINVAL; + + chfreq = FIELD_GET(MT_RXD3_NORMAL_CH_FREQ, rxd3); + unicast = FIELD_GET(MT_RXD3_NORMAL_ADDR_TYPE, rxd3) == MT_RXD3_NORMAL_U2M; + idx = FIELD_GET(MT_RXD1_NORMAL_WLAN_IDX, rxd1); + status->wcid = mt7921_rx_get_wcid(dev, idx, unicast); + + if (status->wcid) { + struct mt7921_sta *msta; + + msta = container_of(status->wcid, struct mt7921_sta, wcid); + spin_lock_bh(&dev->sta_poll_lock); + if (list_empty(&msta->poll_list)) + list_add_tail(&msta->poll_list, &dev->sta_poll_list); + spin_unlock_bh(&dev->sta_poll_lock); + } + + mt7921_get_status_freq_info(dev, mphy, status, chfreq); + + if (status->band == NL80211_BAND_5GHZ) + sband = &mphy->sband_5g.sband; + else + sband = &mphy->sband_2g.sband; + + if (!sband->channels) + return -EINVAL; + + if (rxd1 & MT_RXD1_NORMAL_FCS_ERR) + status->flag |= RX_FLAG_FAILED_FCS_CRC; + + if (rxd1 & MT_RXD1_NORMAL_TKIP_MIC_ERR) + status->flag |= RX_FLAG_MMIC_ERROR; + + if (FIELD_GET(MT_RXD1_NORMAL_SEC_MODE, rxd1) != 0 && + !(rxd1 & (MT_RXD1_NORMAL_CLM | MT_RXD1_NORMAL_CM))) { + status->flag |= RX_FLAG_DECRYPTED; + status->flag |= RX_FLAG_IV_STRIPPED; + status->flag |= RX_FLAG_MMIC_STRIPPED | RX_FLAG_MIC_STRIPPED; + } + + if (!(rxd2 & MT_RXD2_NORMAL_NON_AMPDU)) { + status->flag |= RX_FLAG_AMPDU_DETAILS; + + /* all subframes of an A-MPDU have the same timestamp */ + if (phy->rx_ampdu_ts != rxd[14]) { + if (!++phy->ampdu_ref) + phy->ampdu_ref++; + } + phy->rx_ampdu_ts = rxd[14]; + + status->ampdu_ref = phy->ampdu_ref; + } + + remove_pad = FIELD_GET(MT_RXD2_NORMAL_HDR_OFFSET, rxd2); + + if (rxd2 & MT_RXD2_NORMAL_MAX_LEN_ERROR) + return -EINVAL; + + rxd += 6; + if (rxd1 & MT_RXD1_NORMAL_GROUP_4) { + rxd += 4; + if ((u8 *)rxd - skb->data >= skb->len) + return -EINVAL; + } + + if (rxd1 & MT_RXD1_NORMAL_GROUP_1) { + u8 *data = (u8 *)rxd; + + if (status->flag & RX_FLAG_DECRYPTED) { + status->iv[0] = data[5]; + status->iv[1] = data[4]; + status->iv[2] = data[3]; + status->iv[3] = data[2]; + status->iv[4] = data[1]; + status->iv[5] = data[0]; + + insert_ccmp_hdr = FIELD_GET(MT_RXD2_NORMAL_FRAG, rxd2); + } + rxd += 4; + if ((u8 *)rxd - skb->data >= skb->len) + return -EINVAL; + } + + if (rxd1 & MT_RXD1_NORMAL_GROUP_2) { + rxd += 2; + if ((u8 *)rxd - skb->data >= skb->len) + return -EINVAL; + } + + /* RXD Group 3 - P-RXV */ + if (rxd1 & MT_RXD1_NORMAL_GROUP_3) { + u32 v0, v1, v2; + + rxv = rxd; + rxd += 2; + if ((u8 *)rxd - skb->data >= skb->len) + return -EINVAL; + + v0 = le32_to_cpu(rxv[0]); + v1 = le32_to_cpu(rxv[1]); + v2 = le32_to_cpu(rxv[2]); + + if (v0 & MT_PRXV_HT_AD_CODE) + status->enc_flags |= RX_ENC_FLAG_LDPC; + + status->chains = mphy->antenna_mask; + status->chain_signal[0] = to_rssi(MT_PRXV_RCPI0, v1); + status->chain_signal[1] = to_rssi(MT_PRXV_RCPI1, v1); + status->chain_signal[2] = to_rssi(MT_PRXV_RCPI2, v1); + status->chain_signal[3] = to_rssi(MT_PRXV_RCPI3, v1); + status->signal = status->chain_signal[0]; + + for (i = 1; i < hweight8(mphy->antenna_mask); i++) { + if (!(status->chains & BIT(i))) + continue; + + status->signal = max(status->signal, + status->chain_signal[i]); + } + + /* RXD Group 5 - C-RXV */ + if (rxd1 & MT_RXD1_NORMAL_GROUP_5) { + u8 stbc = FIELD_GET(MT_CRXV_HT_STBC, v2); + u8 gi = FIELD_GET(MT_CRXV_HT_SHORT_GI, v2); + bool cck = false; + + rxd += 18; + if ((u8 *)rxd - skb->data >= skb->len) + return -EINVAL; + + idx = i = FIELD_GET(MT_PRXV_TX_RATE, v0); + mode = FIELD_GET(MT_CRXV_TX_MODE, v2); + + switch (mode) { + case MT_PHY_TYPE_CCK: + cck = true; + fallthrough; + case MT_PHY_TYPE_OFDM: + i = mt76_get_rate(&dev->mt76, sband, i, cck); + break; + case MT_PHY_TYPE_HT_GF: + case MT_PHY_TYPE_HT: + status->encoding = RX_ENC_HT; + if (i > 31) + return -EINVAL; + break; + case MT_PHY_TYPE_VHT: + status->nss = + FIELD_GET(MT_PRXV_NSTS, v0) + 1; + status->encoding = RX_ENC_VHT; + if (i > 9) + return -EINVAL; + break; + case MT_PHY_TYPE_HE_MU: + status->flag |= RX_FLAG_RADIOTAP_HE_MU; + fallthrough; + case MT_PHY_TYPE_HE_SU: + case MT_PHY_TYPE_HE_EXT_SU: + case MT_PHY_TYPE_HE_TB: + status->nss = + FIELD_GET(MT_PRXV_NSTS, v0) + 1; + status->encoding = RX_ENC_HE; + status->flag |= RX_FLAG_RADIOTAP_HE; + i &= GENMASK(3, 0); + + if (gi <= NL80211_RATE_INFO_HE_GI_3_2) + status->he_gi = gi; + + status->he_dcm = !!(idx & MT_PRXV_TX_DCM); + break; + default: + return -EINVAL; + } + status->rate_idx = i; + + switch (FIELD_GET(MT_CRXV_FRAME_MODE, v2)) { + case IEEE80211_STA_RX_BW_20: + break; + case IEEE80211_STA_RX_BW_40: + if (mode & MT_PHY_TYPE_HE_EXT_SU && + (idx & MT_PRXV_TX_ER_SU_106T)) { + status->bw = RATE_INFO_BW_HE_RU; + status->he_ru = + NL80211_RATE_INFO_HE_RU_ALLOC_106; + } else { + status->bw = RATE_INFO_BW_40; + } + break; + case IEEE80211_STA_RX_BW_80: + status->bw = RATE_INFO_BW_80; + break; + case IEEE80211_STA_RX_BW_160: + status->bw = RATE_INFO_BW_160; + break; + default: + return -EINVAL; + } + + status->enc_flags |= RX_ENC_FLAG_STBC_MASK * stbc; + if (mode < MT_PHY_TYPE_HE_SU && gi) + status->enc_flags |= RX_ENC_FLAG_SHORT_GI; + } + } + + skb_pull(skb, (u8 *)rxd - skb->data + 2 * remove_pad); + + if (insert_ccmp_hdr) { + u8 key_id = FIELD_GET(MT_RXD1_NORMAL_KEY_ID, rxd1); + + mt76_insert_ccmp_hdr(skb, key_id); + } + + if (rxv && status->flag & RX_FLAG_RADIOTAP_HE) + mt7921_mac_decode_he_radiotap(skb, status, rxv, mode); + + hdr = mt76_skb_get_hdr(skb); + if (!status->wcid || !ieee80211_is_data_qos(hdr->frame_control)) + return 0; + + status->aggr = unicast && + !ieee80211_is_qos_nullfunc(hdr->frame_control); + status->tid = *ieee80211_get_qos_ctl(hdr) & IEEE80211_QOS_CTL_TID_MASK; + status->seqno = IEEE80211_SEQ_TO_SN(le16_to_cpu(hdr->seq_ctrl)); + + return 0; +} + +static void +mt7921_mac_write_txwi_8023(struct mt7921_dev *dev, __le32 *txwi, + struct sk_buff *skb, struct mt76_wcid *wcid) +{ + u8 tid = skb->priority & IEEE80211_QOS_CTL_TID_MASK; + u8 fc_type, fc_stype; + bool wmm = false; + u32 val; + + if (wcid->sta) { + struct ieee80211_sta *sta; + + sta = container_of((void *)wcid, struct ieee80211_sta, drv_priv); + wmm = sta->wme; + } + + val = FIELD_PREP(MT_TXD1_HDR_FORMAT, MT_HDR_FORMAT_802_3) | + FIELD_PREP(MT_TXD1_TID, tid); + + if (be16_to_cpu(skb->protocol) >= ETH_P_802_3_MIN) + val |= MT_TXD1_ETH_802_3; + + txwi[1] |= cpu_to_le32(val); + + fc_type = IEEE80211_FTYPE_DATA >> 2; + fc_stype = wmm ? IEEE80211_STYPE_QOS_DATA >> 4 : 0; + + val = FIELD_PREP(MT_TXD2_FRAME_TYPE, fc_type) | + FIELD_PREP(MT_TXD2_SUB_TYPE, fc_stype); + + txwi[2] |= cpu_to_le32(val); + + val = FIELD_PREP(MT_TXD7_TYPE, fc_type) | + FIELD_PREP(MT_TXD7_SUB_TYPE, fc_stype); + txwi[7] |= cpu_to_le32(val); +} + +static void +mt7921_mac_write_txwi_80211(struct mt7921_dev *dev, __le32 *txwi, + struct sk_buff *skb, struct ieee80211_key_conf *key) +{ + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; + struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)skb->data; + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + bool multicast = is_multicast_ether_addr(hdr->addr1); + u8 tid = skb->priority & IEEE80211_QOS_CTL_TID_MASK; + __le16 fc = hdr->frame_control; + u8 fc_type, fc_stype; + u32 val; + + if (ieee80211_is_action(fc) && + mgmt->u.action.category == WLAN_CATEGORY_BACK && + mgmt->u.action.u.addba_req.action_code == WLAN_ACTION_ADDBA_REQ) { + u16 capab = le16_to_cpu(mgmt->u.action.u.addba_req.capab); + + txwi[5] |= cpu_to_le32(MT_TXD5_ADD_BA); + tid = (capab >> 2) & IEEE80211_QOS_CTL_TID_MASK; + } else if (ieee80211_is_back_req(hdr->frame_control)) { + struct ieee80211_bar *bar = (struct ieee80211_bar *)hdr; + u16 control = le16_to_cpu(bar->control); + + tid = FIELD_GET(IEEE80211_BAR_CTRL_TID_INFO_MASK, control); + } + + val = FIELD_PREP(MT_TXD1_HDR_FORMAT, MT_HDR_FORMAT_802_11) | + FIELD_PREP(MT_TXD1_HDR_INFO, + ieee80211_get_hdrlen_from_skb(skb) / 2) | + FIELD_PREP(MT_TXD1_TID, tid); + txwi[1] |= cpu_to_le32(val); + + fc_type = (le16_to_cpu(fc) & IEEE80211_FCTL_FTYPE) >> 2; + fc_stype = (le16_to_cpu(fc) & IEEE80211_FCTL_STYPE) >> 4; + + val = FIELD_PREP(MT_TXD2_FRAME_TYPE, fc_type) | + FIELD_PREP(MT_TXD2_SUB_TYPE, fc_stype) | + FIELD_PREP(MT_TXD2_MULTICAST, multicast); + + if (key && multicast && ieee80211_is_robust_mgmt_frame(skb) && + key->cipher == WLAN_CIPHER_SUITE_AES_CMAC) { + val |= MT_TXD2_BIP; + txwi[3] &= ~cpu_to_le32(MT_TXD3_PROTECT_FRAME); + } + + if (!ieee80211_is_data(fc) || multicast) + val |= MT_TXD2_FIX_RATE; + + txwi[2] |= cpu_to_le32(val); + + if (ieee80211_is_beacon(fc)) { + txwi[3] &= ~cpu_to_le32(MT_TXD3_SW_POWER_MGMT); + txwi[3] |= cpu_to_le32(MT_TXD3_REM_TX_COUNT); + } + + if (info->flags & IEEE80211_TX_CTL_INJECTED) { + u16 seqno = le16_to_cpu(hdr->seq_ctrl); + + if (ieee80211_is_back_req(hdr->frame_control)) { + struct ieee80211_bar *bar; + + bar = (struct ieee80211_bar *)skb->data; + seqno = le16_to_cpu(bar->start_seq_num); + } + + val = MT_TXD3_SN_VALID | + FIELD_PREP(MT_TXD3_SEQ, IEEE80211_SEQ_TO_SN(seqno)); + txwi[3] |= cpu_to_le32(val); + } + + val = FIELD_PREP(MT_TXD7_TYPE, fc_type) | + FIELD_PREP(MT_TXD7_SUB_TYPE, fc_stype); + txwi[7] |= cpu_to_le32(val); +} + +void mt7921_mac_write_txwi(struct mt7921_dev *dev, __le32 *txwi, + struct sk_buff *skb, struct mt76_wcid *wcid, + struct ieee80211_key_conf *key, bool beacon) +{ + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + struct ieee80211_vif *vif = info->control.vif; + struct mt76_phy *mphy = &dev->mphy; + bool ext_phy = info->hw_queue & MT_TX_HW_QUEUE_EXT_PHY; + u8 p_fmt, q_idx, omac_idx = 0, wmm_idx = 0; + bool is_8023 = info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP; + u16 tx_count = 15; + u32 val; + + if (vif) { + struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; + + omac_idx = mvif->omac_idx; + wmm_idx = mvif->wmm_idx; + } + + if (ext_phy && dev->mt76.phy2) + mphy = dev->mt76.phy2; + + if (beacon) { + p_fmt = MT_TX_TYPE_FW; + q_idx = MT_LMAC_BCN0; + } else if (skb_get_queue_mapping(skb) >= MT_TXQ_PSD) { + p_fmt = MT_TX_TYPE_CT; + q_idx = MT_LMAC_ALTX0; + } else { + p_fmt = MT_TX_TYPE_CT; + q_idx = wmm_idx * MT7921_MAX_WMM_SETS + + mt7921_lmac_mapping(dev, skb_get_queue_mapping(skb)); + } + + val = FIELD_PREP(MT_TXD0_TX_BYTES, skb->len + MT_TXD_SIZE) | + FIELD_PREP(MT_TXD0_PKT_FMT, p_fmt) | + FIELD_PREP(MT_TXD0_Q_IDX, q_idx); + txwi[0] = cpu_to_le32(val); + + val = MT_TXD1_LONG_FORMAT | + FIELD_PREP(MT_TXD1_WLAN_IDX, wcid->idx) | + FIELD_PREP(MT_TXD1_OWN_MAC, omac_idx); + + if (ext_phy && q_idx >= MT_LMAC_ALTX0 && q_idx <= MT_LMAC_BCN0) + val |= MT_TXD1_TGID; + + txwi[1] = cpu_to_le32(val); + + txwi[2] = 0; + + val = MT_TXD3_SW_POWER_MGMT | + FIELD_PREP(MT_TXD3_REM_TX_COUNT, tx_count); + if (key) + val |= MT_TXD3_PROTECT_FRAME; + if (info->flags & IEEE80211_TX_CTL_NO_ACK) + val |= MT_TXD3_NO_ACK; + + txwi[3] = cpu_to_le32(val); + txwi[4] = 0; + txwi[5] = 0; + txwi[6] = 0; + txwi[7] = wcid->amsdu ? cpu_to_le32(MT_TXD7_HW_AMSDU) : 0; + + if (is_8023) + mt7921_mac_write_txwi_8023(dev, txwi, skb, wcid); + else + mt7921_mac_write_txwi_80211(dev, txwi, skb, key); + + if (txwi[2] & cpu_to_le32(MT_TXD2_FIX_RATE)) { + u16 rate; + + /* hardware won't add HTC for mgmt/ctrl frame */ + txwi[2] |= cpu_to_le32(MT_TXD2_HTC_VLD); + + if (mphy->chandef.chan->band == NL80211_BAND_5GHZ) + rate = MT7921_5G_RATE_DEFAULT; + else + rate = MT7921_2G_RATE_DEFAULT; + + val = MT_TXD6_FIXED_BW | + FIELD_PREP(MT_TXD6_TX_RATE, rate); + txwi[6] |= cpu_to_le32(val); + txwi[3] |= cpu_to_le32(MT_TXD3_BA_DISABLE); + } +} + +static void +mt7921_write_hw_txp(struct mt7921_dev *dev, struct mt76_tx_info *tx_info, + void *txp_ptr, u32 id) +{ + struct mt7921_hw_txp *txp = txp_ptr; + struct mt7921_txp_ptr *ptr = &txp->ptr[0]; + int i, nbuf = tx_info->nbuf - 1; + + tx_info->buf[0].len = MT_TXD_SIZE + sizeof(*txp); + tx_info->nbuf = 1; + + txp->msdu_id[0] = cpu_to_le16(id | MT_MSDU_ID_VALID); + + for (i = 0; i < nbuf; i++) { + u16 len = tx_info->buf[i + 1].len & MT_TXD_LEN_MASK; + u32 addr = tx_info->buf[i + 1].addr; + + if (i == nbuf - 1) + len |= MT_TXD_LEN_LAST; + + if (i & 1) { + ptr->buf1 = cpu_to_le32(addr); + ptr->len1 = cpu_to_le16(len); + ptr++; + } else { + ptr->buf0 = cpu_to_le32(addr); + ptr->len0 = cpu_to_le16(len); + } + } +} + +static void mt7921_set_tx_blocked(struct mt7921_dev *dev, bool blocked) +{ + struct mt76_phy *mphy = &dev->mphy, *mphy2 = dev->mt76.phy2; + struct mt76_queue *q, *q2 = NULL; + + q = mphy->q_tx[0]; + if (blocked == q->blocked) + return; + + q->blocked = blocked; + if (mphy2) { + q2 = mphy2->q_tx[0]; + q2->blocked = blocked; + } + + if (!blocked) + mt76_worker_schedule(&dev->mt76.tx_worker); +} + +int mt7921_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr, + enum mt76_txq_id qid, struct mt76_wcid *wcid, + struct ieee80211_sta *sta, + struct mt76_tx_info *tx_info) +{ + struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx_info->skb); + struct ieee80211_key_conf *key = info->control.hw_key; + struct mt76_tx_cb *cb = mt76_tx_skb_cb(tx_info->skb); + struct mt76_txwi_cache *t; + struct mt7921_txp *txp; + int id; + u8 *txwi = (u8 *)txwi_ptr; + + if (!wcid) + wcid = &dev->mt76.global_wcid; + + cb->wcid = wcid->idx; + + t = (struct mt76_txwi_cache *)(txwi + mdev->drv->txwi_size); + t->skb = tx_info->skb; + + spin_lock_bh(&dev->token_lock); + id = idr_alloc(&dev->token, t, 0, MT7921_TOKEN_SIZE, GFP_ATOMIC); + if (id >= 0) + dev->token_count++; + + if (dev->token_count >= MT7921_TOKEN_SIZE - MT7921_TOKEN_FREE_THR) + mt7921_set_tx_blocked(dev, true); + spin_unlock_bh(&dev->token_lock); + + if (id < 0) + return id; + + mt7921_mac_write_txwi(dev, txwi_ptr, tx_info->skb, wcid, key, + false); + + txp = (struct mt7921_txp *)(txwi + MT_TXD_SIZE); + memset(txp, 0, sizeof(struct mt7921_txp_common)); + mt7921_write_hw_txp(dev, tx_info, txp, id); + + tx_info->skb = DMA_DUMMY_DATA; + + return 0; +} + +static void +mt7921_tx_check_aggr(struct ieee80211_sta *sta, __le32 *txwi) +{ + struct mt7921_sta *msta; + u16 fc, tid; + u32 val; + + if (!sta || !sta->ht_cap.ht_supported) + return; + + tid = FIELD_GET(MT_TXD1_TID, le32_to_cpu(txwi[1])); + if (tid >= 6) /* skip VO queue */ + return; + + val = le32_to_cpu(txwi[2]); + fc = FIELD_GET(MT_TXD2_FRAME_TYPE, val) << 2 | + FIELD_GET(MT_TXD2_SUB_TYPE, val) << 4; + if (unlikely(fc != (IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA))) + return; + + msta = (struct mt7921_sta *)sta->drv_priv; + if (!test_and_set_bit(tid, &msta->ampdu_state)) + ieee80211_start_tx_ba_session(sta, tid, 0); +} + +static void +mt7921_tx_complete_status(struct mt76_dev *mdev, struct sk_buff *skb, + struct ieee80211_sta *sta, u8 stat, + struct list_head *free_list) +{ + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + struct ieee80211_tx_status status = { + .sta = sta, + .info = info, + .skb = skb, + .free_list = free_list, + }; + struct ieee80211_hw *hw; + + if (sta) { + struct mt7921_sta *msta; + + msta = (struct mt7921_sta *)sta->drv_priv; + status.rate = &msta->stats.tx_rate; + } + + hw = mt76_tx_status_get_hw(mdev, skb); + + if (info->flags & IEEE80211_TX_CTL_AMPDU) + info->flags |= IEEE80211_TX_STAT_AMPDU; + + if (stat) + ieee80211_tx_info_clear_status(info); + + if (!(info->flags & IEEE80211_TX_CTL_NO_ACK)) + info->flags |= IEEE80211_TX_STAT_ACK; + + info->status.tx_time = 0; + ieee80211_tx_status_ext(hw, &status); +} + +void mt7921_txp_skb_unmap(struct mt76_dev *dev, + struct mt76_txwi_cache *t) +{ + struct mt7921_txp *txp; + int i; + + txp = mt7921_txwi_to_txp(dev, t); + for (i = 1; i < txp->nbuf; i++) + dma_unmap_single(dev->dev, le32_to_cpu(txp->buf[i]), + le16_to_cpu(txp->len[i]), DMA_TO_DEVICE); +} + +void mt7921_mac_tx_free(struct mt7921_dev *dev, struct sk_buff *skb) +{ + struct mt7921_tx_free *free = (struct mt7921_tx_free *)skb->data; + struct mt76_dev *mdev = &dev->mt76; + struct mt76_phy *mphy_ext = mdev->phy2; + struct mt76_txwi_cache *txwi; + struct ieee80211_sta *sta = NULL; + LIST_HEAD(free_list); + struct sk_buff *tmp; + bool wake = false; + u8 i, count; + + /* clean DMA queues and unmap buffers first */ + mt76_queue_tx_cleanup(dev, dev->mphy.q_tx[MT_TXQ_PSD], false); + mt76_queue_tx_cleanup(dev, dev->mphy.q_tx[MT_TXQ_BE], false); + if (mphy_ext) { + mt76_queue_tx_cleanup(dev, mphy_ext->q_tx[MT_TXQ_PSD], false); + mt76_queue_tx_cleanup(dev, mphy_ext->q_tx[MT_TXQ_BE], false); + } + + /* TODO: MT_TX_FREE_LATENCY is msdu time from the TXD is queued into PLE, + * to the time ack is received or dropped by hw (air + hw queue time). + * Should avoid accessing WTBL to get Tx airtime, and use it instead. + */ + count = FIELD_GET(MT_TX_FREE_MSDU_CNT, le16_to_cpu(free->ctrl)); + for (i = 0; i < count; i++) { + u32 msdu, info = le32_to_cpu(free->info[i]); + u8 stat; + + /* 1'b1: new wcid pair. + * 1'b0: msdu_id with the same 'wcid pair' as above. + */ + if (info & MT_TX_FREE_PAIR) { + struct mt7921_sta *msta; + struct mt7921_phy *phy; + struct mt76_wcid *wcid; + u16 idx; + + count++; + idx = FIELD_GET(MT_TX_FREE_WLAN_ID, info); + wcid = rcu_dereference(dev->mt76.wcid[idx]); + sta = wcid_to_sta(wcid); + if (!sta) + continue; + + msta = container_of(wcid, struct mt7921_sta, wcid); + phy = msta->vif->phy; + spin_lock_bh(&dev->sta_poll_lock); + if (list_empty(&msta->poll_list)) + list_add_tail(&msta->poll_list, &dev->sta_poll_list); + spin_unlock_bh(&dev->sta_poll_lock); + continue; + } + + msdu = FIELD_GET(MT_TX_FREE_MSDU_ID, info); + stat = FIELD_GET(MT_TX_FREE_STATUS, info); + + spin_lock_bh(&dev->token_lock); + txwi = idr_remove(&dev->token, msdu); + if (txwi) + dev->token_count--; + if (dev->token_count < MT7921_TOKEN_SIZE - MT7921_TOKEN_FREE_THR && + dev->mphy.q_tx[0]->blocked) + wake = true; + spin_unlock_bh(&dev->token_lock); + + if (!txwi) + continue; + + mt7921_txp_skb_unmap(mdev, txwi); + if (txwi->skb) { + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(txwi->skb); + void *txwi_ptr = mt76_get_txwi_ptr(mdev, txwi); + + if (likely(txwi->skb->protocol != cpu_to_be16(ETH_P_PAE))) + mt7921_tx_check_aggr(sta, txwi_ptr); + + if (sta && !info->tx_time_est) { + struct mt76_wcid *wcid = (struct mt76_wcid *)sta->drv_priv; + int pending; + + pending = atomic_dec_return(&wcid->non_aql_packets); + if (pending < 0) + atomic_cmpxchg(&wcid->non_aql_packets, pending, 0); + } + + mt7921_tx_complete_status(mdev, txwi->skb, sta, stat, &free_list); + txwi->skb = NULL; + } + + mt76_put_txwi(mdev, txwi); + } + + mt7921_mac_sta_poll(dev); + + if (wake) { + spin_lock_bh(&dev->token_lock); + mt7921_set_tx_blocked(dev, false); + spin_unlock_bh(&dev->token_lock); + } + + mt76_worker_schedule(&dev->mt76.tx_worker); + + napi_consume_skb(skb, 1); + + list_for_each_entry_safe(skb, tmp, &free_list, list) { + skb_list_del_init(skb); + napi_consume_skb(skb, 1); + } +} + +void mt7921_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue_entry *e) +{ + struct mt7921_dev *dev; + + if (!e->txwi) { + dev_kfree_skb_any(e->skb); + return; + } + + dev = container_of(mdev, struct mt7921_dev, mt76); + + /* error path */ + if (e->skb == DMA_DUMMY_DATA) { + struct mt76_txwi_cache *t; + struct mt7921_txp *txp; + + txp = mt7921_txwi_to_txp(mdev, e->txwi); + + spin_lock_bh(&dev->token_lock); + t = idr_remove(&dev->token, le16_to_cpu(txp->token)); + spin_unlock_bh(&dev->token_lock); + e->skb = t ? t->skb : NULL; + } + + if (e->skb) { + struct mt76_tx_cb *cb = mt76_tx_skb_cb(e->skb); + struct mt76_wcid *wcid; + + wcid = rcu_dereference(dev->mt76.wcid[cb->wcid]); + + mt7921_tx_complete_status(mdev, e->skb, wcid_to_sta(wcid), 0, + NULL); + } +} + +void mt7921_mac_reset_counters(struct mt7921_phy *phy) +{ + struct mt7921_dev *dev = phy->dev; + bool ext_phy = phy != &dev->phy; + int i; + + for (i = 0; i < 4; i++) { + mt76_rr(dev, MT_TX_AGG_CNT(ext_phy, i)); + mt76_rr(dev, MT_TX_AGG_CNT2(ext_phy, i)); + } + + if (ext_phy) { + dev->mt76.phy2->survey_time = ktime_get_boottime(); + i = ARRAY_SIZE(dev->mt76.aggr_stats) / 2; + } else { + dev->mt76.phy.survey_time = ktime_get_boottime(); + i = 0; + } + memset(&dev->mt76.aggr_stats[i], 0, sizeof(dev->mt76.aggr_stats) / 2); + + /* reset airtime counters */ + mt76_rr(dev, MT_MIB_SDR9(ext_phy)); + mt76_rr(dev, MT_MIB_SDR36(ext_phy)); + mt76_rr(dev, MT_MIB_SDR37(ext_phy)); + + mt76_set(dev, MT_WF_RMAC_MIB_TIME0(ext_phy), + MT_WF_RMAC_MIB_RXTIME_CLR); + mt76_set(dev, MT_WF_RMAC_MIB_AIRTIME0(ext_phy), + MT_WF_RMAC_MIB_RXTIME_CLR); +} + +void mt7921_mac_set_timing(struct mt7921_phy *phy) +{ + s16 coverage_class = phy->coverage_class; + struct mt7921_dev *dev = phy->dev; + bool ext_phy = phy != &dev->phy; + u32 val, reg_offset; + u32 cck = FIELD_PREP(MT_TIMEOUT_VAL_PLCP, 231) | + FIELD_PREP(MT_TIMEOUT_VAL_CCA, 48); + u32 ofdm = FIELD_PREP(MT_TIMEOUT_VAL_PLCP, 60) | + FIELD_PREP(MT_TIMEOUT_VAL_CCA, 28); + int sifs, offset; + bool is_5ghz = phy->mt76->chandef.chan->band == NL80211_BAND_5GHZ; + + if (!test_bit(MT76_STATE_RUNNING, &phy->mt76->state)) + return; + + if (is_5ghz) + sifs = 16; + else + sifs = 10; + + if (ext_phy) { + coverage_class = max_t(s16, dev->phy.coverage_class, + coverage_class); + } else { + struct mt7921_phy *phy_ext = mt7921_ext_phy(dev); + + if (phy_ext) + coverage_class = max_t(s16, phy_ext->coverage_class, + coverage_class); + } + mt76_set(dev, MT_ARB_SCR(ext_phy), + MT_ARB_SCR_TX_DISABLE | MT_ARB_SCR_RX_DISABLE); + udelay(1); + + offset = 3 * coverage_class; + reg_offset = FIELD_PREP(MT_TIMEOUT_VAL_PLCP, offset) | + FIELD_PREP(MT_TIMEOUT_VAL_CCA, offset); + + mt76_wr(dev, MT_TMAC_CDTR(ext_phy), cck + reg_offset); + mt76_wr(dev, MT_TMAC_ODTR(ext_phy), ofdm + reg_offset); + mt76_wr(dev, MT_TMAC_ICR0(ext_phy), + FIELD_PREP(MT_IFS_EIFS, 360) | + FIELD_PREP(MT_IFS_RIFS, 2) | + FIELD_PREP(MT_IFS_SIFS, sifs) | + FIELD_PREP(MT_IFS_SLOT, phy->slottime)); + + if (phy->slottime < 20 || is_5ghz) + val = MT7921_CFEND_RATE_DEFAULT; + else + val = MT7921_CFEND_RATE_11B; + + mt76_rmw_field(dev, MT_AGG_ACR0(ext_phy), MT_AGG_ACR_CFEND_RATE, val); + mt76_clear(dev, MT_ARB_SCR(ext_phy), + MT_ARB_SCR_TX_DISABLE | MT_ARB_SCR_RX_DISABLE); +} + +static u8 +mt7921_phy_get_nf(struct mt7921_phy *phy, int idx) +{ + return 0; +} + +static void +mt7921_phy_update_channel(struct mt76_phy *mphy, int idx) +{ + struct mt7921_dev *dev = container_of(mphy->dev, struct mt7921_dev, mt76); + struct mt7921_phy *phy = (struct mt7921_phy *)mphy->priv; + struct mt76_channel_state *state; + u64 busy_time, tx_time, rx_time, obss_time; + int nf; + + busy_time = mt76_get_field(dev, MT_MIB_SDR9(idx), + MT_MIB_SDR9_BUSY_MASK); + tx_time = mt76_get_field(dev, MT_MIB_SDR36(idx), + MT_MIB_SDR36_TXTIME_MASK); + rx_time = mt76_get_field(dev, MT_MIB_SDR37(idx), + MT_MIB_SDR37_RXTIME_MASK); + obss_time = mt76_get_field(dev, MT_WF_RMAC_MIB_AIRTIME14(idx), + MT_MIB_OBSSTIME_MASK); + + nf = mt7921_phy_get_nf(phy, idx); + if (!phy->noise) + phy->noise = nf << 4; + else if (nf) + phy->noise += nf - (phy->noise >> 4); + + state = mphy->chan_state; + state->cc_busy += busy_time; + state->cc_tx += tx_time; + state->cc_rx += rx_time + obss_time; + state->cc_bss_rx += rx_time; + state->noise = -(phy->noise >> 4); +} + +void mt7921_update_channel(struct mt76_dev *mdev) +{ + struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); + + mt7921_phy_update_channel(&mdev->phy, 0); + if (mdev->phy2) + mt7921_phy_update_channel(mdev->phy2, 1); + + /* reset obss airtime */ + mt76_set(dev, MT_WF_RMAC_MIB_TIME0(0), MT_WF_RMAC_MIB_RXTIME_CLR); + if (mdev->phy2) + mt76_set(dev, MT_WF_RMAC_MIB_TIME0(1), + MT_WF_RMAC_MIB_RXTIME_CLR); +} + +static bool +mt7921_wait_reset_state(struct mt7921_dev *dev, u32 state) +{ + bool ret; + + ret = wait_event_timeout(dev->reset_wait, + (READ_ONCE(dev->reset_state) & state), + MT7921_RESET_TIMEOUT); + + WARN(!ret, "Timeout waiting for MCU reset state %x\n", state); + return ret; +} + +static void +mt7921_dma_reset(struct mt7921_phy *phy) +{ + struct mt7921_dev *dev = phy->dev; + struct mt76_phy *mphy_ext = dev->mt76.phy2; + int i; + + mt76_clear(dev, MT_WFDMA0_GLO_CFG, + MT_WFDMA0_GLO_CFG_TX_DMA_EN | MT_WFDMA0_GLO_CFG_RX_DMA_EN); + + usleep_range(1000, 2000); + + mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[MT_MCUQ_WA], true); + for (i = 0; i < __MT_TXQ_MAX; i++) { + mt76_queue_tx_cleanup(dev, phy->mt76->q_tx[i], true); + if (mphy_ext) + mt76_queue_tx_cleanup(dev, mphy_ext->q_tx[i], true); + } + + mt76_for_each_q_rx(&dev->mt76, i) { + mt76_queue_rx_reset(dev, i); + } + + /* re-init prefetch settings after reset */ + mt7921_dma_prefetch(dev); + + mt76_set(dev, MT_WFDMA0_GLO_CFG, + MT_WFDMA0_GLO_CFG_TX_DMA_EN | MT_WFDMA0_GLO_CFG_RX_DMA_EN); +} + +/* system error recovery */ +void mt7921_mac_reset_work(struct work_struct *work) +{ + struct mt7921_phy *phy2; + struct mt76_phy *ext_phy; + struct mt7921_dev *dev; + + dev = container_of(work, struct mt7921_dev, reset_work); + ext_phy = dev->mt76.phy2; + phy2 = ext_phy ? ext_phy->priv : NULL; + + if (!(READ_ONCE(dev->reset_state) & MT_MCU_CMD_STOP_DMA)) + return; + + ieee80211_stop_queues(mt76_hw(dev)); + if (ext_phy) + ieee80211_stop_queues(ext_phy->hw); + + set_bit(MT76_RESET, &dev->mphy.state); + set_bit(MT76_MCU_RESET, &dev->mphy.state); + wake_up(&dev->mt76.mcu.wait); + cancel_delayed_work_sync(&dev->phy.mac_work); + if (phy2) + cancel_delayed_work_sync(&phy2->mac_work); + + /* lock/unlock all queues to ensure that no tx is pending */ + mt76_txq_schedule_all(&dev->mphy); + if (ext_phy) + mt76_txq_schedule_all(ext_phy); + + mt76_worker_disable(&dev->mt76.tx_worker); + napi_disable(&dev->mt76.napi[0]); + napi_disable(&dev->mt76.napi[1]); + napi_disable(&dev->mt76.napi[2]); + napi_disable(&dev->mt76.tx_napi); + + mutex_lock(&dev->mt76.mutex); + + mt76_wr(dev, MT_MCU_INT_EVENT, MT_MCU_INT_EVENT_DMA_STOPPED); + + if (mt7921_wait_reset_state(dev, MT_MCU_CMD_RESET_DONE)) { + mt7921_dma_reset(&dev->phy); + + mt76_wr(dev, MT_MCU_INT_EVENT, MT_MCU_INT_EVENT_DMA_INIT); + mt7921_wait_reset_state(dev, MT_MCU_CMD_RECOVERY_DONE); + } + + clear_bit(MT76_MCU_RESET, &dev->mphy.state); + clear_bit(MT76_RESET, &dev->mphy.state); + + mt76_worker_enable(&dev->mt76.tx_worker); + napi_enable(&dev->mt76.tx_napi); + napi_schedule(&dev->mt76.tx_napi); + + napi_enable(&dev->mt76.napi[0]); + napi_schedule(&dev->mt76.napi[0]); + + napi_enable(&dev->mt76.napi[1]); + napi_schedule(&dev->mt76.napi[1]); + + napi_enable(&dev->mt76.napi[2]); + napi_schedule(&dev->mt76.napi[2]); + + ieee80211_wake_queues(mt76_hw(dev)); + if (ext_phy) + ieee80211_wake_queues(ext_phy->hw); + + mt76_wr(dev, MT_MCU_INT_EVENT, MT_MCU_INT_EVENT_RESET_DONE); + mt7921_wait_reset_state(dev, MT_MCU_CMD_NORMAL_STATE); + + mutex_unlock(&dev->mt76.mutex); + + ieee80211_queue_delayed_work(mt76_hw(dev), &dev->phy.mac_work, + MT7921_WATCHDOG_TIME); + if (phy2) + ieee80211_queue_delayed_work(ext_phy->hw, &phy2->mac_work, + MT7921_WATCHDOG_TIME); +} + +static void +mt7921_mac_update_mib_stats(struct mt7921_phy *phy) +{ + struct mt7921_dev *dev = phy->dev; + struct mib_stats *mib = &phy->mib; + bool ext_phy = phy != &dev->phy; + int i, aggr0, aggr1; + + memset(mib, 0, sizeof(*mib)); + + mib->fcs_err_cnt = mt76_get_field(dev, MT_MIB_SDR3(ext_phy), + MT_MIB_SDR3_FCS_ERR_MASK); + + aggr0 = ext_phy ? ARRAY_SIZE(dev->mt76.aggr_stats) / 2 : 0; + for (i = 0, aggr1 = aggr0 + 4; i < 4; i++) { + u32 val, val2; + + val = mt76_rr(dev, MT_MIB_MB_SDR1(ext_phy, i)); + + val2 = FIELD_GET(MT_MIB_ACK_FAIL_COUNT_MASK, val); + if (val2 > mib->ack_fail_cnt) + mib->ack_fail_cnt = val2; + + val2 = FIELD_GET(MT_MIB_BA_MISS_COUNT_MASK, val); + if (val2 > mib->ba_miss_cnt) + mib->ba_miss_cnt = val2; + + val = mt76_rr(dev, MT_MIB_MB_SDR0(ext_phy, i)); + val2 = FIELD_GET(MT_MIB_RTS_RETRIES_COUNT_MASK, val); + if (val2 > mib->rts_retries_cnt) { + mib->rts_cnt = FIELD_GET(MT_MIB_RTS_COUNT_MASK, val); + mib->rts_retries_cnt = val2; + } + + val = mt76_rr(dev, MT_TX_AGG_CNT(ext_phy, i)); + val2 = mt76_rr(dev, MT_TX_AGG_CNT2(ext_phy, i)); + + dev->mt76.aggr_stats[aggr0++] += val & 0xffff; + dev->mt76.aggr_stats[aggr0++] += val >> 16; + dev->mt76.aggr_stats[aggr1++] += val2 & 0xffff; + dev->mt76.aggr_stats[aggr1++] += val2 >> 16; + } +} + +void mt7921_mac_work(struct work_struct *work) +{ + struct mt7921_phy *phy; + struct mt76_dev *mdev; + + phy = (struct mt7921_phy *)container_of(work, struct mt7921_phy, + mac_work.work); + mdev = &phy->dev->mt76; + + mutex_lock(&mdev->mutex); + + mt76_update_survey(mdev); + if (++phy->mac_work_count == 5) { + phy->mac_work_count = 0; + + mt7921_mac_update_mib_stats(phy); + } + + mutex_unlock(&mdev->mutex); + + ieee80211_queue_delayed_work(phy->mt76->hw, &phy->mac_work, + MT7921_WATCHDOG_TIME); +} diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mac.h b/drivers/net/wireless/mediatek/mt76/mt7921/mac.h new file mode 100644 index 000000000000..11ebd74ca663 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mac.h @@ -0,0 +1,367 @@ +/* SPDX-License-Identifier: ISC */ +/* Copyright (C) 2020 MediaTek Inc. */ + +#ifndef __MT7921_MAC_H +#define __MT7921_MAC_H + +#define MT_CT_PARSE_LEN 72 +#define MT_CT_DMA_BUF_NUM 2 + +#define MT_RXD0_LENGTH GENMASK(15, 0) +#define MT_RXD0_PKT_FLAG GENMASK(19, 16) +#define MT_RXD0_PKT_TYPE GENMASK(31, 27) + +#define MT_RXD0_NORMAL_ETH_TYPE_OFS GENMASK(22, 16) +#define MT_RXD0_NORMAL_IP_SUM BIT(23) +#define MT_RXD0_NORMAL_UDP_TCP_SUM BIT(24) + +enum rx_pkt_type { + PKT_TYPE_TXS, + PKT_TYPE_TXRXV, + PKT_TYPE_NORMAL, + PKT_TYPE_RX_DUP_RFB, + PKT_TYPE_RX_TMR, + PKT_TYPE_RETRIEVE, + PKT_TYPE_TXRX_NOTIFY, + PKT_TYPE_RX_EVENT, + PKT_TYPE_NORMAL_MCU, +}; + +/* RXD DW1 */ +#define MT_RXD1_NORMAL_WLAN_IDX GENMASK(9, 0) +#define MT_RXD1_NORMAL_GROUP_1 BIT(11) +#define MT_RXD1_NORMAL_GROUP_2 BIT(12) +#define MT_RXD1_NORMAL_GROUP_3 BIT(13) +#define MT_RXD1_NORMAL_GROUP_4 BIT(14) +#define MT_RXD1_NORMAL_GROUP_5 BIT(15) +#define MT_RXD1_NORMAL_SEC_MODE GENMASK(20, 16) +#define MT_RXD1_NORMAL_KEY_ID GENMASK(22, 21) +#define MT_RXD1_NORMAL_CM BIT(23) +#define MT_RXD1_NORMAL_CLM BIT(24) +#define MT_RXD1_NORMAL_ICV_ERR BIT(25) +#define MT_RXD1_NORMAL_TKIP_MIC_ERR BIT(26) +#define MT_RXD1_NORMAL_FCS_ERR BIT(27) +#define MT_RXD1_NORMAL_BAND_IDX BIT(28) +#define MT_RXD1_NORMAL_SPP_EN BIT(29) +#define MT_RXD1_NORMAL_ADD_OM BIT(30) +#define MT_RXD1_NORMAL_SEC_DONE BIT(31) + +/* RXD DW2 */ +#define MT_RXD2_NORMAL_BSSID GENMASK(5, 0) +#define MT_RXD2_NORMAL_CO_ANT BIT(6) +#define MT_RXD2_NORMAL_BF_CQI BIT(7) +#define MT_RXD2_NORMAL_MAC_HDR_LEN GENMASK(12, 8) +#define MT_RXD2_NORMAL_HDR_TRANS BIT(13) +#define MT_RXD2_NORMAL_HDR_OFFSET GENMASK(15, 14) +#define MT_RXD2_NORMAL_TID GENMASK(19, 16) +#define MT_RXD2_NORMAL_MU_BAR BIT(21) +#define MT_RXD2_NORMAL_SW_BIT BIT(22) +#define MT_RXD2_NORMAL_AMSDU_ERR BIT(23) +#define MT_RXD2_NORMAL_MAX_LEN_ERROR BIT(24) +#define MT_RXD2_NORMAL_HDR_TRANS_ERROR BIT(25) +#define MT_RXD2_NORMAL_INT_FRAME BIT(26) +#define MT_RXD2_NORMAL_FRAG BIT(27) +#define MT_RXD2_NORMAL_NULL_FRAME BIT(28) +#define MT_RXD2_NORMAL_NDATA BIT(29) +#define MT_RXD2_NORMAL_NON_AMPDU BIT(30) +#define MT_RXD2_NORMAL_BF_REPORT BIT(31) + +/* RXD DW3 */ +#define MT_RXD3_NORMAL_RXV_SEQ GENMASK(7, 0) +#define MT_RXD3_NORMAL_CH_FREQ GENMASK(15, 8) +#define MT_RXD3_NORMAL_ADDR_TYPE GENMASK(17, 16) +#define MT_RXD3_NORMAL_U2M BIT(0) +#define MT_RXD3_NORMAL_HTC_VLD BIT(0) +#define MT_RXD3_NORMAL_TSF_COMPARE_LOSS BIT(19) +#define MT_RXD3_NORMAL_BEACON_MC BIT(20) +#define MT_RXD3_NORMAL_BEACON_UC BIT(21) +#define MT_RXD3_NORMAL_AMSDU BIT(22) +#define MT_RXD3_NORMAL_MESH BIT(23) +#define MT_RXD3_NORMAL_MHCP BIT(24) +#define MT_RXD3_NORMAL_NO_INFO_WB BIT(25) +#define MT_RXD3_NORMAL_DISABLE_RX_HDR_TRANS BIT(26) +#define MT_RXD3_NORMAL_POWER_SAVE_STAT BIT(27) +#define MT_RXD3_NORMAL_MORE BIT(28) +#define MT_RXD3_NORMAL_UNWANT BIT(29) +#define MT_RXD3_NORMAL_RX_DROP BIT(30) +#define MT_RXD3_NORMAL_VLAN2ETH BIT(31) + +/* RXD DW4 */ +#define MT_RXD4_NORMAL_PAYLOAD_FORMAT GENMASK(1, 0) +#define MT_RXD4_NORMAL_PATTERN_DROP BIT(9) +#define MT_RXD4_NORMAL_CLS BIT(10) +#define MT_RXD4_NORMAL_OFLD GENMASK(12, 11) +#define MT_RXD4_NORMAL_MAGIC_PKT BIT(13) +#define MT_RXD4_NORMAL_WOL GENMASK(18, 14) +#define MT_RXD4_NORMAL_CLS_BITMAP GENMASK(28, 19) +#define MT_RXD3_NORMAL_PF_MODE BIT(29) +#define MT_RXD3_NORMAL_PF_STS GENMASK(31, 30) + +/* P-RXV */ +#define MT_PRXV_TX_RATE GENMASK(6, 0) +#define MT_PRXV_TX_DCM BIT(4) +#define MT_PRXV_TX_ER_SU_106T BIT(5) +#define MT_PRXV_NSTS GENMASK(9, 7) +#define MT_PRXV_HT_AD_CODE BIT(11) +#define MT_PRXV_HE_RU_ALLOC_L GENMASK(31, 28) +#define MT_PRXV_HE_RU_ALLOC_H GENMASK(3, 0) +#define MT_PRXV_RCPI3 GENMASK(31, 24) +#define MT_PRXV_RCPI2 GENMASK(23, 16) +#define MT_PRXV_RCPI1 GENMASK(15, 8) +#define MT_PRXV_RCPI0 GENMASK(7, 0) + +/* C-RXV */ +#define MT_CRXV_HT_STBC GENMASK(1, 0) +#define MT_CRXV_TX_MODE GENMASK(7, 4) +#define MT_CRXV_FRAME_MODE GENMASK(10, 8) +#define MT_CRXV_HT_SHORT_GI GENMASK(14, 13) +#define MT_CRXV_HE_LTF_SIZE GENMASK(18, 17) +#define MT_CRXV_HE_LDPC_EXT_SYM BIT(20) +#define MT_CRXV_HE_PE_DISAMBIG BIT(23) +#define MT_CRXV_HE_UPLINK BIT(31) + +#define MT_CRXV_HE_SR_MASK GENMASK(11, 8) +#define MT_CRXV_HE_SR1_MASK GENMASK(16, 12) +#define MT_CRXV_HE_SR2_MASK GENMASK(20, 17) +#define MT_CRXV_HE_SR3_MASK GENMASK(24, 21) + +#define MT_CRXV_HE_BSS_COLOR GENMASK(5, 0) +#define MT_CRXV_HE_TXOP_DUR GENMASK(12, 6) +#define MT_CRXV_HE_BEAM_CHNG BIT(13) +#define MT_CRXV_HE_DOPPLER BIT(16) + +#define MT_CRXV_SNR GENMASK(18, 13) +#define MT_CRXV_FOE_LO GENMASK(31, 19) +#define MT_CRXV_FOE_HI GENMASK(6, 0) +#define MT_CRXV_FOE_SHIFT 13 + +enum tx_header_format { + MT_HDR_FORMAT_802_3, + MT_HDR_FORMAT_CMD, + MT_HDR_FORMAT_802_11, + MT_HDR_FORMAT_802_11_EXT, +}; + +enum tx_pkt_type { + MT_TX_TYPE_CT, + MT_TX_TYPE_SF, + MT_TX_TYPE_CMD, + MT_TX_TYPE_FW, +}; + +enum tx_port_idx { + MT_TX_PORT_IDX_LMAC, + MT_TX_PORT_IDX_MCU +}; + +enum tx_mcu_port_q_idx { + MT_TX_MCU_PORT_RX_Q0 = 0x20, + MT_TX_MCU_PORT_RX_Q1, + MT_TX_MCU_PORT_RX_Q2, + MT_TX_MCU_PORT_RX_Q3, + MT_TX_MCU_PORT_RX_FWDL = 0x3e +}; + +#define MT_CT_INFO_APPLY_TXD BIT(0) +#define MT_CT_INFO_COPY_HOST_TXD_ALL BIT(1) +#define MT_CT_INFO_MGMT_FRAME BIT(2) +#define MT_CT_INFO_NONE_CIPHER_FRAME BIT(3) +#define MT_CT_INFO_HSR2_TX BIT(4) +#define MT_CT_INFO_FROM_HOST BIT(7) + +#define MT_TXD_SIZE (8 * 4) + +#define MT_TXD0_Q_IDX GENMASK(31, 25) +#define MT_TXD0_PKT_FMT GENMASK(24, 23) +#define MT_TXD0_ETH_TYPE_OFFSET GENMASK(22, 16) +#define MT_TXD0_TX_BYTES GENMASK(15, 0) + +#define MT_TXD1_LONG_FORMAT BIT(31) +#define MT_TXD1_TGID BIT(30) +#define MT_TXD1_OWN_MAC GENMASK(29, 24) +#define MT_TXD1_AMSDU BIT(23) +#define MT_TXD1_TID GENMASK(22, 20) +#define MT_TXD1_HDR_PAD GENMASK(19, 18) +#define MT_TXD1_HDR_FORMAT GENMASK(17, 16) +#define MT_TXD1_HDR_INFO GENMASK(15, 11) +#define MT_TXD1_ETH_802_3 BIT(15) +#define MT_TXD1_VTA BIT(10) +#define MT_TXD1_WLAN_IDX GENMASK(9, 0) + +#define MT_TXD2_FIX_RATE BIT(31) +#define MT_TXD2_FIXED_RATE BIT(30) +#define MT_TXD2_POWER_OFFSET GENMASK(29, 24) +#define MT_TXD2_MAX_TX_TIME GENMASK(23, 16) +#define MT_TXD2_FRAG GENMASK(15, 14) +#define MT_TXD2_HTC_VLD BIT(13) +#define MT_TXD2_DURATION BIT(12) +#define MT_TXD2_BIP BIT(11) +#define MT_TXD2_MULTICAST BIT(10) +#define MT_TXD2_RTS BIT(9) +#define MT_TXD2_SOUNDING BIT(8) +#define MT_TXD2_NDPA BIT(7) +#define MT_TXD2_NDP BIT(6) +#define MT_TXD2_FRAME_TYPE GENMASK(5, 4) +#define MT_TXD2_SUB_TYPE GENMASK(3, 0) + +#define MT_TXD3_SN_VALID BIT(31) +#define MT_TXD3_PN_VALID BIT(30) +#define MT_TXD3_SW_POWER_MGMT BIT(29) +#define MT_TXD3_BA_DISABLE BIT(28) +#define MT_TXD3_SEQ GENMASK(27, 16) +#define MT_TXD3_REM_TX_COUNT GENMASK(15, 11) +#define MT_TXD3_TX_COUNT GENMASK(10, 6) +#define MT_TXD3_TIMING_MEASURE BIT(5) +#define MT_TXD3_DAS BIT(4) +#define MT_TXD3_EEOSP BIT(3) +#define MT_TXD3_EMRD BIT(2) +#define MT_TXD3_PROTECT_FRAME BIT(1) +#define MT_TXD3_NO_ACK BIT(0) + +#define MT_TXD4_PN_LOW GENMASK(31, 0) + +#define MT_TXD5_PN_HIGH GENMASK(31, 16) +#define MT_TXD5_MD BIT(15) +#define MT_TXD5_ADD_BA BIT(14) +#define MT_TXD5_TX_STATUS_HOST BIT(10) +#define MT_TXD5_TX_STATUS_MCU BIT(9) +#define MT_TXD5_TX_STATUS_FMT BIT(8) +#define MT_TXD5_PID GENMASK(7, 0) + +#define MT_TXD6_TX_IBF BIT(31) +#define MT_TXD6_TX_EBF BIT(30) +#define MT_TXD6_TX_RATE GENMASK(29, 16) +#define MT_TXD6_SGI GENMASK(15, 14) +#define MT_TXD6_HELTF GENMASK(13, 12) +#define MT_TXD6_LDPC BIT(11) +#define MT_TXD6_SPE_ID_IDX BIT(10) +#define MT_TXD6_ANT_ID GENMASK(7, 4) +#define MT_TXD6_DYN_BW BIT(3) +#define MT_TXD6_FIXED_BW BIT(2) +#define MT_TXD6_BW GENMASK(1, 0) + +#define MT_TXD7_TXD_LEN GENMASK(31, 30) +#define MT_TXD7_UDP_TCP_SUM BIT(29) +#define MT_TXD7_IP_SUM BIT(28) + +#define MT_TXD7_TYPE GENMASK(21, 20) +#define MT_TXD7_SUB_TYPE GENMASK(19, 16) + +#define MT_TXD7_PSE_FID GENMASK(27, 16) +#define MT_TXD7_SPE_IDX GENMASK(15, 11) +#define MT_TXD7_HW_AMSDU BIT(10) +#define MT_TXD7_TX_TIME GENMASK(9, 0) + +#define MT_TX_RATE_STBC BIT(13) +#define MT_TX_RATE_NSS GENMASK(12, 10) +#define MT_TX_RATE_MODE GENMASK(9, 6) +#define MT_TX_RATE_SU_EXT_TONE BIT(5) +#define MT_TX_RATE_DCM BIT(4) +#define MT_TX_RATE_IDX GENMASK(3, 0) + +#define MT_TXP_MAX_BUF_NUM 6 + +struct mt7921_txp { + __le16 flags; + __le16 token; + u8 bss_idx; + __le16 rept_wds_wcid; + u8 nbuf; + __le32 buf[MT_TXP_MAX_BUF_NUM]; + __le16 len[MT_TXP_MAX_BUF_NUM]; +} __packed __aligned(4); + +struct mt7921_tx_free { + __le16 rx_byte_cnt; + __le16 ctrl; + u8 txd_cnt; + u8 rsv[3]; + __le32 info[]; +} __packed __aligned(4); + +#define MT_TX_FREE_MSDU_CNT GENMASK(9, 0) +#define MT_TX_FREE_WLAN_ID GENMASK(23, 14) +#define MT_TX_FREE_LATENCY GENMASK(12, 0) +/* 0: success, others: dropped */ +#define MT_TX_FREE_STATUS GENMASK(14, 13) +#define MT_TX_FREE_MSDU_ID GENMASK(30, 16) +#define MT_TX_FREE_PAIR BIT(31) +/* will support this field in further revision */ +#define MT_TX_FREE_RATE GENMASK(13, 0) + +struct mt7921_dfs_pulse { + u32 max_width; /* us */ + int max_pwr; /* dbm */ + int min_pwr; /* dbm */ + u32 min_stgr_pri; /* us */ + u32 max_stgr_pri; /* us */ + u32 min_cr_pri; /* us */ + u32 max_cr_pri; /* us */ +}; + +struct mt7921_dfs_pattern { + u8 enb; + u8 stgr; + u8 min_crpn; + u8 max_crpn; + u8 min_crpr; + u8 min_pw; + u32 min_pri; + u32 max_pri; + u8 max_pw; + u8 min_crbn; + u8 max_crbn; + u8 min_stgpn; + u8 max_stgpn; + u8 min_stgpr; + u8 rsv[2]; + u32 min_stgpr_diff; +} __packed; + +struct mt7921_dfs_radar_spec { + struct mt7921_dfs_pulse pulse_th; + struct mt7921_dfs_pattern radar_pattern[16]; +}; + +static inline struct mt7921_txp * +mt7921_txwi_to_txp(struct mt76_dev *dev, struct mt76_txwi_cache *t) +{ + u8 *txwi; + + if (!t) + return NULL; + + txwi = mt76_get_txwi_ptr(dev, t); + + return (struct mt7921_txp *)(txwi + MT_TXD_SIZE); +} + +#define MT_HW_TXP_MAX_MSDU_NUM 4 +#define MT_HW_TXP_MAX_BUF_NUM 4 + +#define MT_MSDU_ID_VALID BIT(15) + +#define MT_TXD_LEN_MASK GENMASK(11, 0) +#define MT_TXD_LEN_MSDU_LAST BIT(14) +#define MT_TXD_LEN_AMSDU_LAST BIT(15) +#define MT_TXD_LEN_LAST BIT(15) + +struct mt7921_txp_ptr { + __le32 buf0; + __le16 len0; + __le16 len1; + __le32 buf1; +} __packed __aligned(4); + +struct mt7921_hw_txp { + __le16 msdu_id[MT_HW_TXP_MAX_MSDU_NUM]; + struct mt7921_txp_ptr ptr[MT_HW_TXP_MAX_BUF_NUM / 2]; +} __packed __aligned(4); + +struct mt7921_txp_common { + union { + struct mt7921_hw_txp hw; + }; +}; + +#endif diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/main.c b/drivers/net/wireless/mediatek/mt76/mt7921/main.c new file mode 100644 index 000000000000..b7467e759c0b --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt7921/main.c @@ -0,0 +1,854 @@ +// SPDX-License-Identifier: ISC +/* Copyright (C) 2020 MediaTek Inc. */ + +#include +#include +#include +#include +#include "mt7921.h" +#include "mcu.h" + +static bool mt7921_dev_running(struct mt7921_dev *dev) +{ + struct mt7921_phy *phy; + + if (test_bit(MT76_STATE_RUNNING, &dev->mphy.state)) + return true; + + phy = mt7921_ext_phy(dev); + + return phy && test_bit(MT76_STATE_RUNNING, &phy->mt76->state); +} + +static int mt7921_start(struct ieee80211_hw *hw) +{ + struct mt7921_dev *dev = mt7921_hw_dev(hw); + struct mt7921_phy *phy = mt7921_hw_phy(hw); + bool running; + + mutex_lock(&dev->mt76.mutex); + + running = mt7921_dev_running(dev); + + if (!running) + mt7921_mcu_set_mac(dev, 0, true, false); + + if (phy != &dev->phy) + mt7921_mcu_set_mac(dev, 1, true, false); + + mt7921_mcu_set_chan_info(phy, MCU_EXT_CMD_SET_RX_PATH); + + set_bit(MT76_STATE_RUNNING, &phy->mt76->state); + + ieee80211_queue_delayed_work(hw, &phy->mac_work, MT7921_WATCHDOG_TIME); + + if (!running) + mt7921_mac_reset_counters(phy); + + mutex_unlock(&dev->mt76.mutex); + + return 0; +} + +static void mt7921_stop(struct ieee80211_hw *hw) +{ + struct mt7921_dev *dev = mt7921_hw_dev(hw); + struct mt7921_phy *phy = mt7921_hw_phy(hw); + + cancel_delayed_work_sync(&phy->mac_work); + + mutex_lock(&dev->mt76.mutex); + + clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); + + if (phy != &dev->phy) + mt7921_mcu_set_mac(dev, 1, false, false); + + if (!mt7921_dev_running(dev)) + mt7921_mcu_set_mac(dev, 0, false, false); + + mutex_unlock(&dev->mt76.mutex); +} + +static inline int get_free_idx(u32 mask, u8 start, u8 end) +{ + return ffs(~mask & GENMASK(end, start)); +} + +static int get_omac_idx(enum nl80211_iftype type, u64 mask) +{ + int i; + + switch (type) { + case NL80211_IFTYPE_MESH_POINT: + case NL80211_IFTYPE_ADHOC: + case NL80211_IFTYPE_STATION: + /* prefer hw bssid slot 1-3 */ + i = get_free_idx(mask, HW_BSSID_1, HW_BSSID_3); + if (i) + return i - 1; + + if (type != NL80211_IFTYPE_STATION) + break; + + /* next, try to find a free repeater entry for the sta */ + i = get_free_idx(mask >> REPEATER_BSSID_START, 0, + REPEATER_BSSID_MAX - REPEATER_BSSID_START); + if (i) + return i + 32 - 1; + + i = get_free_idx(mask, EXT_BSSID_1, EXT_BSSID_MAX); + if (i) + return i - 1; + + if (~mask & BIT(HW_BSSID_0)) + return HW_BSSID_0; + + break; + case NL80211_IFTYPE_MONITOR: + case NL80211_IFTYPE_AP: + /* ap uses hw bssid 0 and ext bssid */ + if (~mask & BIT(HW_BSSID_0)) + return HW_BSSID_0; + + i = get_free_idx(mask, EXT_BSSID_1, EXT_BSSID_MAX); + if (i) + return i - 1; + + break; + default: + WARN_ON(1); + break; + } + + return -1; +} + +static int mt7921_add_interface(struct ieee80211_hw *hw, + struct ieee80211_vif *vif) +{ + struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; + struct mt7921_dev *dev = mt7921_hw_dev(hw); + struct mt7921_phy *phy = mt7921_hw_phy(hw); + struct mt76_txq *mtxq; + bool ext_phy = phy != &dev->phy; + int idx, ret = 0; + + mutex_lock(&dev->mt76.mutex); + + if (vif->type == NL80211_IFTYPE_MONITOR && + is_zero_ether_addr(vif->addr)) + phy->monitor_vif = vif; + + mvif->idx = ffs(~phy->mt76->vif_mask) - 1; + if (mvif->idx >= MT7921_MAX_INTERFACES) { + ret = -ENOSPC; + goto out; + } + + idx = get_omac_idx(vif->type, phy->omac_mask); + if (idx < 0) { + ret = -ENOSPC; + goto out; + } + mvif->omac_idx = idx; + mvif->phy = phy; + mvif->band_idx = ext_phy; + + if (ext_phy) + mvif->wmm_idx = ext_phy * (MT7921_MAX_WMM_SETS / 2) + + mvif->idx % (MT7921_MAX_WMM_SETS / 2); + else + mvif->wmm_idx = mvif->idx % MT7921_MAX_WMM_SETS; + + ret = mt7921_mcu_uni_add_dev(dev, vif, true); + if (ret) + goto out; + + phy->mt76->vif_mask |= BIT(mvif->idx); + phy->omac_mask |= BIT_ULL(mvif->omac_idx); + + idx = MT7921_WTBL_RESERVED - mvif->idx; + + INIT_LIST_HEAD(&mvif->sta.poll_list); + mvif->sta.wcid.idx = idx; + mvif->sta.wcid.ext_phy = mvif->band_idx; + mvif->sta.wcid.hw_key_idx = -1; + mvif->sta.wcid.tx_info |= MT_WCID_TX_INFO_SET; + mt7921_mac_wtbl_update(dev, idx, + MT_WTBL_UPDATE_ADM_COUNT_CLEAR); + + rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid); + if (vif->txq) { + mtxq = (struct mt76_txq *)vif->txq->drv_priv; + mtxq->wcid = &mvif->sta.wcid; + } + + if (vif->type != NL80211_IFTYPE_AP && + (!mvif->omac_idx || mvif->omac_idx > 3)) + vif->offload_flags = 0; + vif->offload_flags |= IEEE80211_OFFLOAD_ENCAP_4ADDR; + +out: + mutex_unlock(&dev->mt76.mutex); + + return ret; +} + +static void mt7921_remove_interface(struct ieee80211_hw *hw, + struct ieee80211_vif *vif) +{ + struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; + struct mt7921_sta *msta = &mvif->sta; + struct mt7921_dev *dev = mt7921_hw_dev(hw); + struct mt7921_phy *phy = mt7921_hw_phy(hw); + int idx = msta->wcid.idx; + + if (vif == phy->monitor_vif) + phy->monitor_vif = NULL; + + mt7921_mcu_uni_add_dev(dev, vif, false); + + rcu_assign_pointer(dev->mt76.wcid[idx], NULL); + + mutex_lock(&dev->mt76.mutex); + phy->mt76->vif_mask &= ~BIT(mvif->idx); + phy->omac_mask &= ~BIT_ULL(mvif->omac_idx); + mutex_unlock(&dev->mt76.mutex); + + spin_lock_bh(&dev->sta_poll_lock); + if (!list_empty(&msta->poll_list)) + list_del_init(&msta->poll_list); + spin_unlock_bh(&dev->sta_poll_lock); +} + +int mt7921_set_channel(struct mt7921_phy *phy) +{ + struct mt7921_dev *dev = phy->dev; + int ret; + + cancel_delayed_work_sync(&phy->mac_work); + + mutex_lock(&dev->mt76.mutex); + set_bit(MT76_RESET, &phy->mt76->state); + + mt76_set_channel(phy->mt76); + + ret = mt7921_mcu_set_chan_info(phy, MCU_EXT_CMD_CHANNEL_SWITCH); + if (ret) + goto out; + + mt7921_mac_set_timing(phy); + + mt7921_mac_reset_counters(phy); + phy->noise = 0; + +out: + clear_bit(MT76_RESET, &phy->mt76->state); + mutex_unlock(&dev->mt76.mutex); + + mt76_txq_schedule_all(phy->mt76); + + ieee80211_queue_delayed_work(phy->mt76->hw, &phy->mac_work, + MT7921_WATCHDOG_TIME); + + return ret; +} + +static int mt7921_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, + struct ieee80211_vif *vif, struct ieee80211_sta *sta, + struct ieee80211_key_conf *key) +{ + struct mt7921_dev *dev = mt7921_hw_dev(hw); + struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; + struct mt7921_sta *msta = sta ? (struct mt7921_sta *)sta->drv_priv : + &mvif->sta; + struct mt76_wcid *wcid = &msta->wcid; + int idx = key->keyidx; + + /* The hardware does not support per-STA RX GTK, fallback + * to software mode for these. + */ + if ((vif->type == NL80211_IFTYPE_ADHOC || + vif->type == NL80211_IFTYPE_MESH_POINT) && + (key->cipher == WLAN_CIPHER_SUITE_TKIP || + key->cipher == WLAN_CIPHER_SUITE_CCMP) && + !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) + return -EOPNOTSUPP; + + /* fall back to sw encryption for unsupported ciphers */ + switch (key->cipher) { + case WLAN_CIPHER_SUITE_AES_CMAC: + key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE; + break; + case WLAN_CIPHER_SUITE_TKIP: + case WLAN_CIPHER_SUITE_CCMP: + case WLAN_CIPHER_SUITE_CCMP_256: + case WLAN_CIPHER_SUITE_GCMP: + case WLAN_CIPHER_SUITE_GCMP_256: + case WLAN_CIPHER_SUITE_SMS4: + break; + case WLAN_CIPHER_SUITE_WEP40: + case WLAN_CIPHER_SUITE_WEP104: + default: + return -EOPNOTSUPP; + } + + if (cmd == SET_KEY) { + key->hw_key_idx = wcid->idx; + wcid->hw_key_idx = idx; + } else if (idx == wcid->hw_key_idx) { + wcid->hw_key_idx = -1; + } + mt76_wcid_key_setup(&dev->mt76, wcid, + cmd == SET_KEY ? key : NULL); + + return mt7921_mcu_add_key(dev, vif, msta, key, cmd); +} + +static int mt7921_config(struct ieee80211_hw *hw, u32 changed) +{ + struct mt7921_dev *dev = mt7921_hw_dev(hw); + struct mt7921_phy *phy = mt7921_hw_phy(hw); + bool band = phy != &dev->phy; + int ret; + + if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { + ieee80211_stop_queues(hw); + ret = mt7921_set_channel(phy); + if (ret) + return ret; + ieee80211_wake_queues(hw); + } + + mutex_lock(&dev->mt76.mutex); + + if (changed & IEEE80211_CONF_CHANGE_MONITOR) { + bool enabled = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); + + if (!enabled) + phy->rxfilter |= MT_WF_RFCR_DROP_OTHER_UC; + else + phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_UC; + + mt76_rmw_field(dev, MT_DMA_DCR0(band), MT_DMA_DCR0_RXD_G5_EN, + enabled); + mt76_wr(dev, MT_WF_RFCR(band), phy->rxfilter); + } + + mutex_unlock(&dev->mt76.mutex); + + return 0; +} + +static int +mt7921_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue, + const struct ieee80211_tx_queue_params *params) +{ + struct mt7921_dev *dev = mt7921_hw_dev(hw); + struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; + + /* no need to update right away, we'll get BSS_CHANGED_QOS */ + queue = mt7921_lmac_mapping(dev, queue); + mvif->queue_params[queue] = *params; + + return 0; +} + +static void mt7921_configure_filter(struct ieee80211_hw *hw, + unsigned int changed_flags, + unsigned int *total_flags, + u64 multicast) +{ + struct mt7921_dev *dev = mt7921_hw_dev(hw); + struct mt7921_phy *phy = mt7921_hw_phy(hw); + bool band = phy != &dev->phy; + + u32 ctl_flags = MT_WF_RFCR1_DROP_ACK | + MT_WF_RFCR1_DROP_BF_POLL | + MT_WF_RFCR1_DROP_BA | + MT_WF_RFCR1_DROP_CFEND | + MT_WF_RFCR1_DROP_CFACK; + u32 flags = 0; + +#define MT76_FILTER(_flag, _hw) do { \ + flags |= *total_flags & FIF_##_flag; \ + phy->rxfilter &= ~(_hw); \ + phy->rxfilter |= !(flags & FIF_##_flag) * (_hw); \ + } while (0) + + phy->rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS | + MT_WF_RFCR_DROP_OTHER_BEACON | + MT_WF_RFCR_DROP_FRAME_REPORT | + MT_WF_RFCR_DROP_PROBEREQ | + MT_WF_RFCR_DROP_MCAST_FILTERED | + MT_WF_RFCR_DROP_MCAST | + MT_WF_RFCR_DROP_BCAST | + MT_WF_RFCR_DROP_DUPLICATE | + MT_WF_RFCR_DROP_A2_BSSID | + MT_WF_RFCR_DROP_UNWANTED_CTL | + MT_WF_RFCR_DROP_STBC_MULTI); + + MT76_FILTER(OTHER_BSS, MT_WF_RFCR_DROP_OTHER_TIM | + MT_WF_RFCR_DROP_A3_MAC | + MT_WF_RFCR_DROP_A3_BSSID); + + MT76_FILTER(FCSFAIL, MT_WF_RFCR_DROP_FCSFAIL); + + MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS | + MT_WF_RFCR_DROP_RTS | + MT_WF_RFCR_DROP_CTL_RSV | + MT_WF_RFCR_DROP_NDPA); + + *total_flags = flags; + mt76_wr(dev, MT_WF_RFCR(band), phy->rxfilter); + + if (*total_flags & FIF_CONTROL) + mt76_clear(dev, MT_WF_RFCR1(band), ctl_flags); + else + mt76_set(dev, MT_WF_RFCR1(band), ctl_flags); +} + +static void mt7921_bss_info_changed(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_bss_conf *info, + u32 changed) +{ + struct mt7921_phy *phy = mt7921_hw_phy(hw); + struct mt7921_dev *dev = mt7921_hw_dev(hw); + + mutex_lock(&dev->mt76.mutex); + + if (changed & BSS_CHANGED_ERP_SLOT) { + int slottime = info->use_short_slot ? 9 : 20; + + if (slottime != phy->slottime) { + phy->slottime = slottime; + mt7921_mac_set_timing(phy); + } + } + + if (changed & BSS_CHANGED_BEACON_ENABLED) { + mt7921_mcu_uni_add_bss(phy, vif, info->enable_beacon); + mt7921_mcu_uni_add_sta(dev, vif, NULL, info->enable_beacon); + } + + /* ensure that enable txcmd_mode after bss_info */ + if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED)) + mt7921_mcu_set_tx(dev, vif); + + mutex_unlock(&dev->mt76.mutex); +} + +int mt7921_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, + struct ieee80211_sta *sta) +{ + struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); + struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; + struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; + int ret, idx; + + idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7921_WTBL_STA - 1); + if (idx < 0) + return -ENOSPC; + + INIT_LIST_HEAD(&msta->poll_list); + msta->vif = mvif; + msta->wcid.sta = 1; + msta->wcid.idx = idx; + msta->wcid.ext_phy = mvif->band_idx; + msta->wcid.tx_info |= MT_WCID_TX_INFO_SET; + msta->stats.jiffies = jiffies; + + if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) { + struct mt7921_phy *phy; + + phy = mvif->band_idx ? mt7921_ext_phy(dev) : &dev->phy; + mt7921_mcu_uni_add_bss(phy, vif, true); + } + mt7921_mac_wtbl_update(dev, idx, + MT_WTBL_UPDATE_ADM_COUNT_CLEAR); + + ret = mt7921_mcu_uni_add_sta(dev, vif, sta, true); + if (ret) + return ret; + + return 0; +} + +void mt7921_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, + struct ieee80211_sta *sta) +{ + struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); + struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; + + mt7921_mcu_uni_add_sta(dev, vif, sta, false); + mt7921_mac_wtbl_update(dev, msta->wcid.idx, + MT_WTBL_UPDATE_ADM_COUNT_CLEAR); + if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) { + struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; + struct mt7921_phy *phy; + + phy = mvif->band_idx ? mt7921_ext_phy(dev) : &dev->phy; + mt7921_mcu_uni_add_bss(phy, vif, false); + } + + spin_lock_bh(&dev->sta_poll_lock); + if (!list_empty(&msta->poll_list)) + list_del_init(&msta->poll_list); + spin_unlock_bh(&dev->sta_poll_lock); +} + +static void mt7921_tx(struct ieee80211_hw *hw, + struct ieee80211_tx_control *control, + struct sk_buff *skb) +{ + struct mt7921_dev *dev = mt7921_hw_dev(hw); + struct mt76_phy *mphy = hw->priv; + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + struct ieee80211_vif *vif = info->control.vif; + struct mt76_wcid *wcid = &dev->mt76.global_wcid; + + if (control->sta) { + struct mt7921_sta *sta; + + sta = (struct mt7921_sta *)control->sta->drv_priv; + wcid = &sta->wcid; + } + + if (vif && !control->sta) { + struct mt7921_vif *mvif; + + mvif = (struct mt7921_vif *)vif->drv_priv; + wcid = &mvif->sta.wcid; + } + + mt76_tx(mphy, control->sta, wcid, skb); +} + +static int mt7921_set_rts_threshold(struct ieee80211_hw *hw, u32 val) +{ + struct mt7921_dev *dev = mt7921_hw_dev(hw); + struct mt7921_phy *phy = mt7921_hw_phy(hw); + + mutex_lock(&dev->mt76.mutex); + mt7921_mcu_set_rts_thresh(phy, val); + mutex_unlock(&dev->mt76.mutex); + + return 0; +} + +static int +mt7921_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + struct ieee80211_ampdu_params *params) +{ + enum ieee80211_ampdu_mlme_action action = params->action; + struct mt7921_dev *dev = mt7921_hw_dev(hw); + struct ieee80211_sta *sta = params->sta; + struct ieee80211_txq *txq = sta->txq[params->tid]; + struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; + u16 tid = params->tid; + u16 ssn = params->ssn; + struct mt76_txq *mtxq; + int ret = 0; + + if (!txq) + return -EINVAL; + + mtxq = (struct mt76_txq *)txq->drv_priv; + + mutex_lock(&dev->mt76.mutex); + switch (action) { + case IEEE80211_AMPDU_RX_START: + mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn, + params->buf_size); + mt7921_mcu_uni_rx_ba(dev, params, true); + break; + case IEEE80211_AMPDU_RX_STOP: + mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid); + mt7921_mcu_uni_rx_ba(dev, params, false); + break; + case IEEE80211_AMPDU_TX_OPERATIONAL: + mtxq->aggr = true; + mtxq->send_bar = false; + mt7921_mcu_uni_tx_ba(dev, params, true); + break; + case IEEE80211_AMPDU_TX_STOP_FLUSH: + case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: + mtxq->aggr = false; + clear_bit(tid, &msta->ampdu_state); + mt7921_mcu_uni_tx_ba(dev, params, false); + break; + case IEEE80211_AMPDU_TX_START: + set_bit(tid, &msta->ampdu_state); + ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; + break; + case IEEE80211_AMPDU_TX_STOP_CONT: + mtxq->aggr = false; + clear_bit(tid, &msta->ampdu_state); + mt7921_mcu_uni_tx_ba(dev, params, false); + ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); + break; + } + mutex_unlock(&dev->mt76.mutex); + + return ret; +} + +static int +mt7921_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + struct ieee80211_sta *sta) +{ + return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NOTEXIST, + IEEE80211_STA_NONE); +} + +static int +mt7921_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + struct ieee80211_sta *sta) +{ + return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NONE, + IEEE80211_STA_NOTEXIST); +} + +static int +mt7921_get_stats(struct ieee80211_hw *hw, + struct ieee80211_low_level_stats *stats) +{ + struct mt7921_phy *phy = mt7921_hw_phy(hw); + struct mib_stats *mib = &phy->mib; + + stats->dot11RTSSuccessCount = mib->rts_cnt; + stats->dot11RTSFailureCount = mib->rts_retries_cnt; + stats->dot11FCSErrorCount = mib->fcs_err_cnt; + stats->dot11ACKFailureCount = mib->ack_fail_cnt; + + return 0; +} + +static u64 +mt7921_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) +{ + struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; + struct mt7921_dev *dev = mt7921_hw_dev(hw); + struct mt7921_phy *phy = mt7921_hw_phy(hw); + bool band = phy != &dev->phy; + union { + u64 t64; + u32 t32[2]; + } tsf; + u16 n; + + mutex_lock(&dev->mt76.mutex); + + n = mvif->omac_idx > HW_BSSID_MAX ? HW_BSSID_0 : mvif->omac_idx; + /* TSF software read */ + mt76_set(dev, MT_LPON_TCR(band, n), MT_LPON_TCR_SW_MODE); + tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0(band)); + tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1(band)); + + mutex_unlock(&dev->mt76.mutex); + + return tsf.t64; +} + +static void +mt7921_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + u64 timestamp) +{ + struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; + struct mt7921_dev *dev = mt7921_hw_dev(hw); + struct mt7921_phy *phy = mt7921_hw_phy(hw); + bool band = phy != &dev->phy; + union { + u64 t64; + u32 t32[2]; + } tsf = { .t64 = timestamp, }; + u16 n; + + mutex_lock(&dev->mt76.mutex); + + n = mvif->omac_idx > HW_BSSID_MAX ? HW_BSSID_0 : mvif->omac_idx; + mt76_wr(dev, MT_LPON_UTTR0(band), tsf.t32[0]); + mt76_wr(dev, MT_LPON_UTTR1(band), tsf.t32[1]); + /* TSF software overwrite */ + mt76_set(dev, MT_LPON_TCR(band, n), MT_LPON_TCR_SW_WRITE); + + mutex_unlock(&dev->mt76.mutex); +} + +static void +mt7921_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class) +{ + struct mt7921_phy *phy = mt7921_hw_phy(hw); + struct mt7921_dev *dev = phy->dev; + + mutex_lock(&dev->mt76.mutex); + phy->coverage_class = max_t(s16, coverage_class, 0); + mt7921_mac_set_timing(phy); + mutex_unlock(&dev->mt76.mutex); +} + +void mt7921_scan_work(struct work_struct *work) +{ + struct mt7921_phy *phy; + + phy = (struct mt7921_phy *)container_of(work, struct mt7921_phy, + scan_work.work); + + while (true) { + struct mt7921_mcu_rxd *rxd; + struct sk_buff *skb; + + spin_lock_bh(&phy->dev->mt76.lock); + skb = __skb_dequeue(&phy->scan_event_list); + spin_unlock_bh(&phy->dev->mt76.lock); + + if (!skb) + break; + + rxd = (struct mt7921_mcu_rxd *)skb->data; + if (rxd->eid == MCU_EVENT_SCHED_SCAN_DONE) { + ieee80211_sched_scan_results(phy->mt76->hw); + } else if (test_and_clear_bit(MT76_HW_SCANNING, + &phy->mt76->state)) { + struct cfg80211_scan_info info = { + .aborted = false, + }; + + ieee80211_scan_completed(phy->mt76->hw, &info); + } + dev_kfree_skb(skb); + } +} + +static int +mt7921_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + struct ieee80211_scan_request *req) +{ + struct mt7921_dev *dev = mt7921_hw_dev(hw); + struct mt76_phy *mphy = hw->priv; + int err; + + mutex_lock(&dev->mt76.mutex); + err = mt7921_mcu_hw_scan(mphy->priv, vif, req); + mutex_unlock(&dev->mt76.mutex); + + return err; +} + +static void +mt7921_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) +{ + struct mt7921_dev *dev = mt7921_hw_dev(hw); + struct mt76_phy *mphy = hw->priv; + + mutex_lock(&dev->mt76.mutex); + mt7921_mcu_cancel_hw_scan(mphy->priv, vif); + mutex_unlock(&dev->mt76.mutex); +} + +static int +mt7921_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) +{ + struct mt7921_dev *dev = mt7921_hw_dev(hw); + struct mt7921_phy *phy = mt7921_hw_phy(hw); + int max_nss = hweight8(hw->wiphy->available_antennas_tx); + bool ext_phy = phy != &dev->phy; + + if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss) + return -EINVAL; + + if ((BIT(hweight8(tx_ant)) - 1) != tx_ant) + tx_ant = BIT(ffs(tx_ant) - 1) - 1; + + mutex_lock(&dev->mt76.mutex); + + phy->mt76->antenna_mask = tx_ant; + + if (ext_phy) { + if (dev->chainmask == 0xf) + tx_ant <<= 2; + else + tx_ant <<= 1; + } + phy->chainmask = tx_ant; + + mt76_set_stream_caps(phy->mt76, true); + mt7921_set_stream_he_caps(phy); + + mutex_unlock(&dev->mt76.mutex); + + return 0; +} + +static void mt7921_sta_statistics(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + struct station_info *sinfo) +{ + struct mt7921_phy *phy = mt7921_hw_phy(hw); + struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; + struct mt7921_sta_stats *stats = &msta->stats; + + if (mt7921_mcu_get_rx_rate(phy, vif, sta, &sinfo->rxrate) == 0) + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_BITRATE); + + if (!stats->tx_rate.legacy && !stats->tx_rate.flags) + return; + + if (stats->tx_rate.legacy) { + sinfo->txrate.legacy = stats->tx_rate.legacy; + } else { + sinfo->txrate.mcs = stats->tx_rate.mcs; + sinfo->txrate.nss = stats->tx_rate.nss; + sinfo->txrate.bw = stats->tx_rate.bw; + sinfo->txrate.he_gi = stats->tx_rate.he_gi; + sinfo->txrate.he_dcm = stats->tx_rate.he_dcm; + sinfo->txrate.he_ru_alloc = stats->tx_rate.he_ru_alloc; + } + sinfo->txrate.flags = stats->tx_rate.flags; + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); +} + +static void +mt7921_sta_rc_update(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + u32 changed) +{ +} + +const struct ieee80211_ops mt7921_ops = { + .tx = mt7921_tx, + .start = mt7921_start, + .stop = mt7921_stop, + .add_interface = mt7921_add_interface, + .remove_interface = mt7921_remove_interface, + .config = mt7921_config, + .conf_tx = mt7921_conf_tx, + .configure_filter = mt7921_configure_filter, + .bss_info_changed = mt7921_bss_info_changed, + .sta_add = mt7921_sta_add, + .sta_remove = mt7921_sta_remove, + .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, + .sta_rc_update = mt7921_sta_rc_update, + .set_key = mt7921_set_key, + .ampdu_action = mt7921_ampdu_action, + .set_rts_threshold = mt7921_set_rts_threshold, + .wake_tx_queue = mt76_wake_tx_queue, + .sw_scan_start = mt76_sw_scan, + .sw_scan_complete = mt76_sw_scan_complete, + .release_buffered_frames = mt76_release_buffered_frames, + .get_txpower = mt76_get_txpower, + .get_stats = mt7921_get_stats, + .get_tsf = mt7921_get_tsf, + .set_tsf = mt7921_set_tsf, + .get_survey = mt76_get_survey, + .get_antenna = mt76_get_antenna, + .set_antenna = mt7921_set_antenna, + .set_coverage_class = mt7921_set_coverage_class, + .sta_statistics = mt7921_sta_statistics, + .hw_scan = mt7921_hw_scan, + .cancel_hw_scan = mt7921_cancel_hw_scan, +}; diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c new file mode 100644 index 000000000000..864f6e9fab3a --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c @@ -0,0 +1,2588 @@ +// SPDX-License-Identifier: ISC +/* Copyright (C) 2020 MediaTek Inc. */ + +#include +#include +#include "mt7921.h" +#include "mcu.h" +#include "mac.h" +#include "eeprom.h" + +struct mt7921_patch_hdr { + char build_date[16]; + char platform[4]; + __be32 hw_sw_ver; + __be32 patch_ver; + __be16 checksum; + u16 reserved; + struct { + __be32 patch_ver; + __be32 subsys; + __be32 feature; + __be32 n_region; + __be32 crc; + u32 reserved[11]; + } desc; +} __packed; + +struct mt7921_patch_sec { + __be32 type; + __be32 offs; + __be32 size; + union { + __be32 spec[13]; + struct { + __be32 addr; + __be32 len; + __be32 sec_key_idx; + __be32 align_len; + u32 reserved[9]; + } info; + }; +} __packed; + +struct mt7921_fw_trailer { + u8 chip_id; + u8 eco_code; + u8 n_region; + u8 format_ver; + u8 format_flag; + u8 reserved[2]; + char fw_ver[10]; + char build_date[15]; + u32 crc; +} __packed; + +struct mt7921_fw_region { + __le32 decomp_crc; + __le32 decomp_len; + __le32 decomp_blk_sz; + u8 reserved[4]; + __le32 addr; + __le32 len; + u8 feature_set; + u8 reserved1[15]; +} __packed; + +#define MCU_PATCH_ADDRESS 0x200000 + +#define MT_STA_BFER BIT(0) +#define MT_STA_BFEE BIT(1) + +#define FW_FEATURE_SET_ENCRYPT BIT(0) +#define FW_FEATURE_SET_KEY_IDX GENMASK(2, 1) +#define FW_FEATURE_ENCRY_MODE BIT(4) +#define FW_FEATURE_OVERRIDE_ADDR BIT(5) + +#define DL_MODE_ENCRYPT BIT(0) +#define DL_MODE_KEY_IDX GENMASK(2, 1) +#define DL_MODE_RESET_SEC_IV BIT(3) +#define DL_MODE_WORKING_PDA_CR4 BIT(4) +#define DL_CONFIG_ENCRY_MODE_SEL BIT(6) +#define DL_MODE_NEED_RSP BIT(31) + +#define FW_START_OVERRIDE BIT(0) +#define FW_START_WORKING_PDA_CR4 BIT(2) + +#define PATCH_SEC_TYPE_MASK GENMASK(15, 0) +#define PATCH_SEC_TYPE_INFO 0x2 + +#define to_wcid_lo(id) FIELD_GET(GENMASK(7, 0), (u16)id) +#define to_wcid_hi(id) FIELD_GET(GENMASK(9, 8), (u16)id) + +#define HE_PHY(p, c) u8_get_bits(c, IEEE80211_HE_PHY_##p) +#define HE_MAC(m, c) u8_get_bits(c, IEEE80211_HE_MAC_##m) + +static enum mt7921_cipher_type +mt7921_mcu_get_cipher(int cipher) +{ + switch (cipher) { + case WLAN_CIPHER_SUITE_WEP40: + return MT_CIPHER_WEP40; + case WLAN_CIPHER_SUITE_WEP104: + return MT_CIPHER_WEP104; + case WLAN_CIPHER_SUITE_TKIP: + return MT_CIPHER_TKIP; + case WLAN_CIPHER_SUITE_AES_CMAC: + return MT_CIPHER_BIP_CMAC_128; + case WLAN_CIPHER_SUITE_CCMP: + return MT_CIPHER_AES_CCMP; + case WLAN_CIPHER_SUITE_CCMP_256: + return MT_CIPHER_CCMP_256; + case WLAN_CIPHER_SUITE_GCMP: + return MT_CIPHER_GCMP; + case WLAN_CIPHER_SUITE_GCMP_256: + return MT_CIPHER_GCMP_256; + case WLAN_CIPHER_SUITE_SMS4: + return MT_CIPHER_WAPI; + default: + return MT_CIPHER_NONE; + } +} + +static u8 mt7921_mcu_chan_bw(struct cfg80211_chan_def *chandef) +{ + static const u8 width_to_bw[] = { + [NL80211_CHAN_WIDTH_40] = CMD_CBW_40MHZ, + [NL80211_CHAN_WIDTH_80] = CMD_CBW_80MHZ, + [NL80211_CHAN_WIDTH_80P80] = CMD_CBW_8080MHZ, + [NL80211_CHAN_WIDTH_160] = CMD_CBW_160MHZ, + [NL80211_CHAN_WIDTH_5] = CMD_CBW_5MHZ, + [NL80211_CHAN_WIDTH_10] = CMD_CBW_10MHZ, + [NL80211_CHAN_WIDTH_20] = CMD_CBW_20MHZ, + [NL80211_CHAN_WIDTH_20_NOHT] = CMD_CBW_20MHZ, + }; + + if (chandef->width >= ARRAY_SIZE(width_to_bw)) + return 0; + + return width_to_bw[chandef->width]; +} + +static const struct ieee80211_sta_he_cap * +mt7921_get_he_phy_cap(struct mt7921_phy *phy, struct ieee80211_vif *vif) +{ + struct ieee80211_supported_band *sband; + enum nl80211_band band; + + band = phy->mt76->chandef.chan->band; + sband = phy->mt76->hw->wiphy->bands[band]; + + return ieee80211_get_he_iftype_cap(sband, vif->type); +} + +static u8 +mt7921_get_phy_mode(struct mt7921_dev *dev, struct ieee80211_vif *vif, + enum nl80211_band band, struct ieee80211_sta *sta) +{ + struct ieee80211_sta_ht_cap *ht_cap; + struct ieee80211_sta_vht_cap *vht_cap; + const struct ieee80211_sta_he_cap *he_cap; + u8 mode = 0; + + if (sta) { + ht_cap = &sta->ht_cap; + vht_cap = &sta->vht_cap; + he_cap = &sta->he_cap; + } else { + struct ieee80211_supported_band *sband; + struct mt7921_phy *phy; + struct mt7921_vif *mvif; + + mvif = (struct mt7921_vif *)vif->drv_priv; + phy = mvif->band_idx ? mt7921_ext_phy(dev) : &dev->phy; + sband = phy->mt76->hw->wiphy->bands[band]; + + ht_cap = &sband->ht_cap; + vht_cap = &sband->vht_cap; + he_cap = ieee80211_get_he_iftype_cap(sband, vif->type); + } + + if (band == NL80211_BAND_2GHZ) { + mode |= PHY_MODE_B | PHY_MODE_G; + + if (ht_cap->ht_supported) + mode |= PHY_MODE_GN; + + if (he_cap->has_he) + mode |= PHY_MODE_AX_24G; + } else if (band == NL80211_BAND_5GHZ) { + mode |= PHY_MODE_A; + + if (ht_cap->ht_supported) + mode |= PHY_MODE_AN; + + if (vht_cap->vht_supported) + mode |= PHY_MODE_AC; + + if (he_cap->has_he) + mode |= PHY_MODE_AX_5G; + } + + return mode; +} + +static u8 +mt7921_get_phy_mode_v2(struct mt7921_dev *dev, struct ieee80211_vif *vif, + enum nl80211_band band, struct ieee80211_sta *sta) +{ + struct ieee80211_sta_ht_cap *ht_cap; + struct ieee80211_sta_vht_cap *vht_cap; + const struct ieee80211_sta_he_cap *he_cap; + u8 mode = 0; + + if (sta) { + ht_cap = &sta->ht_cap; + vht_cap = &sta->vht_cap; + he_cap = &sta->he_cap; + } else { + struct ieee80211_supported_band *sband; + struct mt7921_phy *phy; + struct mt7921_vif *mvif; + + mvif = (struct mt7921_vif *)vif->drv_priv; + phy = mvif->band_idx ? mt7921_ext_phy(dev) : &dev->phy; + sband = phy->mt76->hw->wiphy->bands[band]; + + ht_cap = &sband->ht_cap; + vht_cap = &sband->vht_cap; + he_cap = ieee80211_get_he_iftype_cap(sband, vif->type); + } + + if (band == NL80211_BAND_2GHZ) { + mode |= PHY_TYPE_BIT_HR_DSSS | PHY_TYPE_BIT_ERP; + + if (ht_cap->ht_supported) + mode |= PHY_TYPE_BIT_HT; + + if (he_cap->has_he) + mode |= PHY_TYPE_BIT_HE; + } else if (band == NL80211_BAND_5GHZ) { + mode |= PHY_TYPE_BIT_OFDM; + + if (ht_cap->ht_supported) + mode |= PHY_TYPE_BIT_HT; + + if (vht_cap->vht_supported) + mode |= PHY_TYPE_BIT_VHT; + + if (he_cap->has_he) + mode |= PHY_TYPE_BIT_HE; + } + + return mode; +} + +static int +mt7921_mcu_parse_eeprom(struct mt76_dev *dev, struct sk_buff *skb) +{ + struct mt7921_mcu_eeprom_info *res; + u8 *buf; + + if (!skb) + return -EINVAL; + + skb_pull(skb, sizeof(struct mt7921_mcu_rxd)); + + res = (struct mt7921_mcu_eeprom_info *)skb->data; + buf = dev->eeprom.data + le32_to_cpu(res->addr); + memcpy(buf, res->data, 16); + + return 0; +} + +static int +mt7921_mcu_parse_response(struct mt76_dev *mdev, int cmd, + struct sk_buff *skb, int seq) +{ + struct mt7921_mcu_rxd *rxd; + int ret = 0; + + if (!skb) { + dev_err(mdev->dev, "Message %d (seq %d) timeout\n", + cmd, seq); + return -ETIMEDOUT; + } + + rxd = (struct mt7921_mcu_rxd *)skb->data; + if (seq != rxd->seq) + return -EAGAIN; + + switch (cmd) { + case MCU_CMD_PATCH_SEM_CONTROL: + skb_pull(skb, sizeof(*rxd) - 4); + ret = *skb->data; + break; + case MCU_EXT_CMD_THERMAL_CTRL: + skb_pull(skb, sizeof(*rxd) + 4); + ret = le32_to_cpu(*(__le32 *)skb->data); + break; + case MCU_EXT_CMD_EFUSE_ACCESS: + ret = mt7921_mcu_parse_eeprom(mdev, skb); + break; + case MCU_UNI_CMD_DEV_INFO_UPDATE: + case MCU_UNI_CMD_BSS_INFO_UPDATE: + case MCU_UNI_CMD_STA_REC_UPDATE: + case MCU_UNI_CMD_HIF_CTRL: + case MCU_UNI_CMD_OFFLOAD: + case MCU_UNI_CMD_SUSPEND: { + struct mt7921_mcu_uni_event *event; + + skb_pull(skb, sizeof(*rxd)); + event = (struct mt7921_mcu_uni_event *)skb->data; + ret = le32_to_cpu(event->status); + break; + } + case MCU_CMD_REG_READ: { + struct mt7921_mcu_reg_event *event; + + skb_pull(skb, sizeof(*rxd)); + event = (struct mt7921_mcu_reg_event *)skb->data; + ret = (int)le32_to_cpu(event->val); + break; + } + default: + skb_pull(skb, sizeof(struct mt7921_mcu_rxd)); + break; + } + + return ret; +} + +static int +mt7921_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb, + int cmd, int *wait_seq) +{ + struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); + int txd_len, mcu_cmd = cmd & MCU_CMD_MASK; + enum mt76_txq_id txq = MT_MCUQ_WM; + struct mt7921_uni_txd *uni_txd; + struct mt7921_mcu_txd *mcu_txd; + u8 seq, pkt_fmt, qidx; + __le32 *txd; + u32 val; + + /* TODO: make dynamic based on msg type */ + mdev->mcu.timeout = 20 * HZ; + + seq = ++dev->mt76.mcu.msg_seq & 0xf; + if (!seq) + seq = ++dev->mt76.mcu.msg_seq & 0xf; + + if (cmd == MCU_CMD_FW_SCATTER) { + txq = MT_MCUQ_FWDL; + goto exit; + } + + txd_len = cmd & MCU_UNI_PREFIX ? sizeof(*uni_txd) : sizeof(*mcu_txd); + txd = (__le32 *)skb_push(skb, txd_len); + + if (test_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state)) { + qidx = MT_TX_MCU_PORT_RX_Q0; + pkt_fmt = MT_TX_TYPE_CMD; + } else { + qidx = MT_TX_MCU_PORT_RX_Q0; + pkt_fmt = MT_TX_TYPE_CMD; + } + + val = FIELD_PREP(MT_TXD0_TX_BYTES, skb->len) | + FIELD_PREP(MT_TXD0_PKT_FMT, pkt_fmt) | + FIELD_PREP(MT_TXD0_Q_IDX, qidx); + txd[0] = cpu_to_le32(val); + + val = MT_TXD1_LONG_FORMAT | + FIELD_PREP(MT_TXD1_HDR_FORMAT, MT_HDR_FORMAT_CMD); + txd[1] = cpu_to_le32(val); + + if (cmd & MCU_UNI_PREFIX) { + uni_txd = (struct mt7921_uni_txd *)txd; + uni_txd->len = cpu_to_le16(skb->len - sizeof(uni_txd->txd)); + uni_txd->option = MCU_CMD_UNI_EXT_ACK; + uni_txd->cid = cpu_to_le16(mcu_cmd); + uni_txd->s2d_index = MCU_S2D_H2N; + uni_txd->pkt_type = MCU_PKT_ID; + uni_txd->seq = seq; + + goto exit; + } + + mcu_txd = (struct mt7921_mcu_txd *)txd; + mcu_txd->len = cpu_to_le16(skb->len - sizeof(mcu_txd->txd)); + mcu_txd->pq_id = cpu_to_le16(MCU_PQ_ID(MT_TX_PORT_IDX_MCU, qidx)); + mcu_txd->pkt_type = MCU_PKT_ID; + mcu_txd->seq = seq; + + switch (cmd & ~MCU_CMD_MASK) { + case MCU_FW_PREFIX: + mcu_txd->set_query = MCU_Q_NA; + mcu_txd->cid = mcu_cmd; + break; + case MCU_CE_PREFIX: + if (cmd & MCU_QUERY_MASK) + mcu_txd->set_query = MCU_Q_QUERY; + else + mcu_txd->set_query = MCU_Q_SET; + mcu_txd->cid = mcu_cmd; + break; + default: + mcu_txd->cid = MCU_CMD_EXT_CID; + if (cmd & MCU_QUERY_PREFIX || cmd == MCU_EXT_CMD_EFUSE_ACCESS) + mcu_txd->set_query = MCU_Q_QUERY; + else + mcu_txd->set_query = MCU_Q_SET; + mcu_txd->ext_cid = mcu_cmd; + mcu_txd->ext_cid_ack = 1; + break; + } + + if (cmd == MCU_EXT_CMD_MWDS_SUPPORT) + mcu_txd->s2d_index = MCU_S2D_H2C; + else + mcu_txd->s2d_index = MCU_S2D_H2N; + WARN_ON(cmd == MCU_EXT_CMD_EFUSE_ACCESS && + mcu_txd->set_query != MCU_Q_QUERY); + +exit: + if (wait_seq) + *wait_seq = seq; + + return mt76_tx_queue_skb_raw(dev, mdev->q_mcu[txq], skb, 0); +} + +static void +mt7921_mcu_tx_rate_parse(struct mt76_phy *mphy, struct mt7921_mcu_ra_info *ra, + struct rate_info *rate, u16 r) +{ + struct ieee80211_supported_band *sband; + u16 ru_idx = le16_to_cpu(ra->ru_idx); + u16 flags = 0; + + rate->mcs = FIELD_GET(MT_RA_RATE_MCS, r); + rate->nss = FIELD_GET(MT_RA_RATE_NSS, r) + 1; + + switch (FIELD_GET(MT_RA_RATE_TX_MODE, r)) { + case MT_PHY_TYPE_CCK: + case MT_PHY_TYPE_OFDM: + if (mphy->chandef.chan->band == NL80211_BAND_5GHZ) + sband = &mphy->sband_5g.sband; + else + sband = &mphy->sband_2g.sband; + + rate->legacy = sband->bitrates[rate->mcs].bitrate; + break; + case MT_PHY_TYPE_HT: + case MT_PHY_TYPE_HT_GF: + rate->mcs += (rate->nss - 1) * 8; + flags |= RATE_INFO_FLAGS_MCS; + + if (ra->gi) + flags |= RATE_INFO_FLAGS_SHORT_GI; + break; + case MT_PHY_TYPE_VHT: + flags |= RATE_INFO_FLAGS_VHT_MCS; + + if (ra->gi) + flags |= RATE_INFO_FLAGS_SHORT_GI; + break; + case MT_PHY_TYPE_HE_SU: + case MT_PHY_TYPE_HE_EXT_SU: + case MT_PHY_TYPE_HE_TB: + case MT_PHY_TYPE_HE_MU: + rate->he_gi = ra->gi; + rate->he_dcm = FIELD_GET(MT_RA_RATE_DCM_EN, r); + + flags |= RATE_INFO_FLAGS_HE_MCS; + break; + default: + break; + } + rate->flags = flags; + + if (ru_idx) { + switch (ru_idx) { + case 1 ... 2: + rate->he_ru_alloc = NL80211_RATE_INFO_HE_RU_ALLOC_996; + break; + case 3 ... 6: + rate->he_ru_alloc = NL80211_RATE_INFO_HE_RU_ALLOC_484; + break; + case 7 ... 14: + rate->he_ru_alloc = NL80211_RATE_INFO_HE_RU_ALLOC_242; + break; + default: + rate->he_ru_alloc = NL80211_RATE_INFO_HE_RU_ALLOC_106; + break; + } + rate->bw = RATE_INFO_BW_HE_RU; + } else { + u8 bw = mt7921_mcu_chan_bw(&mphy->chandef) - + FIELD_GET(MT_RA_RATE_BW, r); + + switch (bw) { + case IEEE80211_STA_RX_BW_160: + rate->bw = RATE_INFO_BW_160; + break; + case IEEE80211_STA_RX_BW_80: + rate->bw = RATE_INFO_BW_80; + break; + case IEEE80211_STA_RX_BW_40: + rate->bw = RATE_INFO_BW_40; + break; + default: + rate->bw = RATE_INFO_BW_20; + break; + } + } +} + +static void +mt7921_mcu_tx_rate_report(struct mt7921_dev *dev, struct sk_buff *skb) +{ + struct mt7921_mcu_ra_info *ra = (struct mt7921_mcu_ra_info *)skb->data; + struct rate_info rate = {}, prob_rate = {}; + u16 probe = le16_to_cpu(ra->prob_up_rate); + u16 attempts = le16_to_cpu(ra->attempts); + u16 curr = le16_to_cpu(ra->curr_rate); + u16 wcidx = le16_to_cpu(ra->wlan_idx); + struct mt76_phy *mphy = &dev->mphy; + struct mt7921_sta_stats *stats; + struct mt7921_sta *msta; + struct mt76_wcid *wcid; + + if (wcidx >= MT76_N_WCIDS) + return; + + wcid = rcu_dereference(dev->mt76.wcid[wcidx]); + if (!wcid) + return; + + msta = container_of(wcid, struct mt7921_sta, wcid); + stats = &msta->stats; + + if (msta->wcid.ext_phy && dev->mt76.phy2) + mphy = dev->mt76.phy2; + + /* current rate */ + mt7921_mcu_tx_rate_parse(mphy, ra, &rate, curr); + stats->tx_rate = rate; + + /* probing rate */ + mt7921_mcu_tx_rate_parse(mphy, ra, &prob_rate, probe); + stats->prob_rate = prob_rate; + + if (attempts) { + u16 success = le16_to_cpu(ra->success); + + stats->per = 1000 * (attempts - success) / attempts; + } +} + +static void +mt7921_mcu_rx_ext_event(struct mt7921_dev *dev, struct sk_buff *skb) +{ + struct mt7921_mcu_rxd *rxd = (struct mt7921_mcu_rxd *)skb->data; + + switch (rxd->ext_eid) { + case MCU_EXT_EVENT_RATE_REPORT: + mt7921_mcu_tx_rate_report(dev, skb); + break; + default: + break; + } +} + +static void +mt7921_mcu_scan_event(struct mt7921_dev *dev, struct sk_buff *skb) +{ + u8 *seq_num = skb->data + sizeof(struct mt7921_mcu_rxd); + struct mt7921_phy *phy; + struct mt76_phy *mphy; + + if (*seq_num & BIT(7) && dev->mt76.phy2) + mphy = dev->mt76.phy2; + else + mphy = &dev->mt76.phy; + + phy = (struct mt7921_phy *)mphy->priv; + + spin_lock_bh(&dev->mt76.lock); + __skb_queue_tail(&phy->scan_event_list, skb); + spin_unlock_bh(&dev->mt76.lock); + + ieee80211_queue_delayed_work(mphy->hw, &phy->scan_work, + MT7921_HW_SCAN_TIMEOUT); +} + +static void +mt7921_mcu_bss_event(struct mt7921_dev *dev, struct sk_buff *skb) +{ + struct mt7921_mcu_bss_event *event; + struct mt76_phy *mphy; + u8 band_idx = 0; /* DBDC support */ + + event = (struct mt7921_mcu_bss_event *)(skb->data + + sizeof(struct mt7921_mcu_rxd)); + + if (band_idx && dev->mt76.phy2) + mphy = dev->mt76.phy2; + else + mphy = &dev->mt76.phy; + + if (event->is_absent) + ieee80211_stop_queues(mphy->hw); + else + ieee80211_wake_queues(mphy->hw); +} + +static void +mt7921_mcu_debug_msg_event(struct mt7921_dev *dev, struct sk_buff *skb) +{ + struct mt7921_mcu_rxd *rxd = (struct mt7921_mcu_rxd *)skb->data; + struct debug_msg { + __le16 id; + u8 type; + u8 flag; + __le32 value; + __le16 len; + u8 content[512]; + } __packed * debug_msg; + u16 cur_len; + int i; + + skb_pull(skb, sizeof(*rxd)); + debug_msg = (struct debug_msg *)skb->data; + + cur_len = min_t(u16, le16_to_cpu(debug_msg->len), 512); + + if (debug_msg->type == 0x3) { + for (i = 0 ; i < cur_len; i++) + if (!debug_msg->content[i]) + debug_msg->content[i] = ' '; + + trace_printk("%s", debug_msg->content); + } +} + +static void +mt7921_mcu_rx_unsolicited_event(struct mt7921_dev *dev, struct sk_buff *skb) +{ + struct mt7921_mcu_rxd *rxd = (struct mt7921_mcu_rxd *)skb->data; + + switch (rxd->eid) { + case MCU_EVENT_EXT: + mt7921_mcu_rx_ext_event(dev, skb); + break; + case MCU_EVENT_BSS_BEACON_LOSS: + break; + case MCU_EVENT_ROC: + break; + case MCU_EVENT_SCHED_SCAN_DONE: + case MCU_EVENT_SCAN_DONE: + mt7921_mcu_scan_event(dev, skb); + return; + case MCU_EVENT_BSS_ABSENCE: + mt7921_mcu_bss_event(dev, skb); + break; + case MCU_EVENT_DBG_MSG: + mt7921_mcu_debug_msg_event(dev, skb); + break; + default: + break; + } + dev_kfree_skb(skb); +} + +void mt7921_mcu_rx_event(struct mt7921_dev *dev, struct sk_buff *skb) +{ + struct mt7921_mcu_rxd *rxd = (struct mt7921_mcu_rxd *)skb->data; + + if (rxd->eid == 0x6) { + mt76_mcu_rx_event(&dev->mt76, skb); + return; + } + + if (rxd->ext_eid == MCU_EXT_EVENT_RATE_REPORT || + rxd->eid == MCU_EVENT_BSS_BEACON_LOSS || + rxd->eid == MCU_EVENT_SCHED_SCAN_DONE || + rxd->eid == MCU_EVENT_BSS_ABSENCE || + rxd->eid == MCU_EVENT_SCAN_DONE || + rxd->eid == MCU_EVENT_DBG_MSG || + rxd->eid == MCU_EVENT_ROC || + !rxd->seq) + mt7921_mcu_rx_unsolicited_event(dev, skb); + else + mt76_mcu_rx_event(&dev->mt76, skb); +} + +static struct sk_buff * +mt7921_mcu_alloc_sta_req(struct mt7921_dev *dev, struct mt7921_vif *mvif, + struct mt7921_sta *msta, int len) +{ + struct sta_req_hdr hdr = { + .bss_idx = mvif->idx, + .wlan_idx_lo = msta ? to_wcid_lo(msta->wcid.idx) : 0, + .wlan_idx_hi = msta ? to_wcid_hi(msta->wcid.idx) : 0, + .muar_idx = msta ? mvif->omac_idx : 0, + .is_tlv_append = 1, + }; + struct sk_buff *skb; + + skb = mt76_mcu_msg_alloc(&dev->mt76, NULL, len); + if (!skb) + return ERR_PTR(-ENOMEM); + + skb_put_data(skb, &hdr, sizeof(hdr)); + + return skb; +} + +static struct wtbl_req_hdr * +mt7921_mcu_alloc_wtbl_req(struct mt7921_dev *dev, struct mt7921_sta *msta, + int cmd, void *sta_wtbl, struct sk_buff **skb) +{ + struct tlv *sta_hdr = sta_wtbl; + struct wtbl_req_hdr hdr = { + .wlan_idx_lo = to_wcid_lo(msta->wcid.idx), + .wlan_idx_hi = to_wcid_hi(msta->wcid.idx), + .operation = cmd, + }; + struct sk_buff *nskb = *skb; + + if (!nskb) { + nskb = mt76_mcu_msg_alloc(&dev->mt76, NULL, + MT7921_WTBL_UPDATE_BA_SIZE); + if (!nskb) + return ERR_PTR(-ENOMEM); + + *skb = nskb; + } + + if (sta_hdr) + sta_hdr->len = cpu_to_le16(sizeof(hdr)); + + return skb_put_data(nskb, &hdr, sizeof(hdr)); +} + +static struct tlv * +mt7921_mcu_add_nested_tlv(struct sk_buff *skb, int tag, int len, + void *sta_ntlv, void *sta_wtbl) +{ + struct sta_ntlv_hdr *ntlv_hdr = sta_ntlv; + struct tlv *sta_hdr = sta_wtbl; + struct tlv *ptlv, tlv = { + .tag = cpu_to_le16(tag), + .len = cpu_to_le16(len), + }; + u16 ntlv; + + ptlv = skb_put(skb, len); + memcpy(ptlv, &tlv, sizeof(tlv)); + + ntlv = le16_to_cpu(ntlv_hdr->tlv_num); + ntlv_hdr->tlv_num = cpu_to_le16(ntlv + 1); + + if (sta_hdr) { + u16 size = le16_to_cpu(sta_hdr->len); + + sta_hdr->len = cpu_to_le16(size + len); + } + + return ptlv; +} + +static struct tlv * +mt7921_mcu_add_tlv(struct sk_buff *skb, int tag, int len) +{ + return mt7921_mcu_add_nested_tlv(skb, tag, len, skb->data, NULL); +} + +static void +mt7921_mcu_uni_bss_he_tlv(struct tlv *tlv, struct ieee80211_vif *vif, + struct mt7921_phy *phy) +{ +#define DEFAULT_HE_PE_DURATION 4 +#define DEFAULT_HE_DURATION_RTS_THRES 1023 + const struct ieee80211_sta_he_cap *cap; + struct bss_info_uni_he *he; + + cap = mt7921_get_he_phy_cap(phy, vif); + + he = (struct bss_info_uni_he *)tlv; + he->he_pe_duration = vif->bss_conf.htc_trig_based_pkt_ext; + if (!he->he_pe_duration) + he->he_pe_duration = DEFAULT_HE_PE_DURATION; + + he->he_rts_thres = cpu_to_le16(vif->bss_conf.frame_time_rts_th); + if (!he->he_rts_thres) + he->he_rts_thres = cpu_to_le16(DEFAULT_HE_DURATION_RTS_THRES); + + he->max_nss_mcs[CMD_HE_MCS_BW80] = cap->he_mcs_nss_supp.tx_mcs_80; + he->max_nss_mcs[CMD_HE_MCS_BW160] = cap->he_mcs_nss_supp.tx_mcs_160; + he->max_nss_mcs[CMD_HE_MCS_BW8080] = cap->he_mcs_nss_supp.tx_mcs_80p80; +} + +/** starec & wtbl **/ +static int +mt7921_mcu_sta_key_tlv(struct sk_buff *skb, struct ieee80211_key_conf *key, + enum set_key_cmd cmd) +{ + struct sta_rec_sec *sec; + struct tlv *tlv; + u32 len = sizeof(*sec); + + tlv = mt7921_mcu_add_tlv(skb, STA_REC_KEY_V2, sizeof(*sec)); + + sec = (struct sta_rec_sec *)tlv; + sec->add = cmd; + + if (cmd == SET_KEY) { + struct sec_key *sec_key; + u8 cipher; + + cipher = mt7921_mcu_get_cipher(key->cipher); + if (cipher == MT_CIPHER_NONE) + return -EOPNOTSUPP; + + sec_key = &sec->key[0]; + sec_key->cipher_len = sizeof(*sec_key); + sec_key->key_id = key->keyidx; + + if (cipher == MT_CIPHER_BIP_CMAC_128) { + sec_key->cipher_id = MT_CIPHER_AES_CCMP; + sec_key->key_len = 16; + memcpy(sec_key->key, key->key, 16); + + sec_key = &sec->key[1]; + sec_key->cipher_id = MT_CIPHER_BIP_CMAC_128; + sec_key->cipher_len = sizeof(*sec_key); + sec_key->key_len = 16; + memcpy(sec_key->key, key->key + 16, 16); + + sec->n_cipher = 2; + } else { + sec_key->cipher_id = cipher; + sec_key->key_len = key->keylen; + memcpy(sec_key->key, key->key, key->keylen); + + if (cipher == MT_CIPHER_TKIP) { + /* Rx/Tx MIC keys are swapped */ + memcpy(sec_key->key + 16, key->key + 24, 8); + memcpy(sec_key->key + 24, key->key + 16, 8); + } + + len -= sizeof(*sec_key); + sec->n_cipher = 1; + } + } else { + len -= sizeof(sec->key); + sec->n_cipher = 0; + } + sec->len = cpu_to_le16(len); + + return 0; +} + +int mt7921_mcu_add_key(struct mt7921_dev *dev, struct ieee80211_vif *vif, + struct mt7921_sta *msta, struct ieee80211_key_conf *key, + enum set_key_cmd cmd) +{ + struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; + struct sk_buff *skb; + int len = sizeof(struct sta_req_hdr) + sizeof(struct sta_rec_sec); + int ret; + + skb = mt7921_mcu_alloc_sta_req(dev, mvif, msta, len); + if (IS_ERR(skb)) + return PTR_ERR(skb); + + ret = mt7921_mcu_sta_key_tlv(skb, key, cmd); + if (ret) + return ret; + + return mt76_mcu_skb_send_msg(&dev->mt76, skb, + MCU_UNI_CMD_STA_REC_UPDATE, true); +} + +static void +mt7921_mcu_sta_ba_tlv(struct sk_buff *skb, + struct ieee80211_ampdu_params *params, + bool enable, bool tx) +{ + struct sta_rec_ba *ba; + struct tlv *tlv; + + tlv = mt7921_mcu_add_tlv(skb, STA_REC_BA, sizeof(*ba)); + + ba = (struct sta_rec_ba *)tlv; + ba->ba_type = tx ? MT_BA_TYPE_ORIGINATOR : MT_BA_TYPE_RECIPIENT, + ba->winsize = cpu_to_le16(params->buf_size); + ba->ssn = cpu_to_le16(params->ssn); + ba->ba_en = enable << params->tid; + ba->amsdu = params->amsdu; + ba->tid = params->tid; +} + +static void +mt7921_mcu_wtbl_ba_tlv(struct sk_buff *skb, + struct ieee80211_ampdu_params *params, + bool enable, bool tx, void *sta_wtbl, + void *wtbl_tlv) +{ + struct wtbl_ba *ba; + struct tlv *tlv; + + tlv = mt7921_mcu_add_nested_tlv(skb, WTBL_BA, sizeof(*ba), + wtbl_tlv, sta_wtbl); + + ba = (struct wtbl_ba *)tlv; + ba->tid = params->tid; + + if (tx) { + ba->ba_type = MT_BA_TYPE_ORIGINATOR; + ba->sn = enable ? cpu_to_le16(params->ssn) : 0; + ba->ba_en = enable; + } else { + memcpy(ba->peer_addr, params->sta->addr, ETH_ALEN); + ba->ba_type = MT_BA_TYPE_RECIPIENT; + ba->rst_ba_tid = params->tid; + ba->rst_ba_sel = RST_BA_MAC_TID_MATCH; + ba->rst_ba_sb = 1; + } + + if (enable && tx) + ba->ba_winsize = cpu_to_le16(params->buf_size); +} + +static int +mt7921_mcu_sta_ba(struct mt7921_dev *dev, + struct ieee80211_ampdu_params *params, + bool enable, bool tx, int cmd) +{ + struct mt7921_sta *msta = (struct mt7921_sta *)params->sta->drv_priv; + struct mt7921_vif *mvif = msta->vif; + struct wtbl_req_hdr *wtbl_hdr; + struct tlv *sta_wtbl; + struct sk_buff *skb; + int ret; + + if (enable && tx && !params->amsdu) + msta->wcid.amsdu = false; + + skb = mt7921_mcu_alloc_sta_req(dev, mvif, msta, + MT7921_STA_UPDATE_MAX_SIZE); + if (IS_ERR(skb)) + return PTR_ERR(skb); + + sta_wtbl = mt7921_mcu_add_tlv(skb, STA_REC_WTBL, sizeof(struct tlv)); + + wtbl_hdr = mt7921_mcu_alloc_wtbl_req(dev, msta, WTBL_SET, sta_wtbl, + &skb); + mt7921_mcu_wtbl_ba_tlv(skb, params, enable, tx, sta_wtbl, wtbl_hdr); + + ret = mt76_mcu_skb_send_msg(&dev->mt76, skb, cmd, true); + if (ret) + return ret; + + skb = mt7921_mcu_alloc_sta_req(dev, mvif, msta, + MT7921_STA_UPDATE_MAX_SIZE); + if (IS_ERR(skb)) + return PTR_ERR(skb); + + mt7921_mcu_sta_ba_tlv(skb, params, enable, tx); + + return mt76_mcu_skb_send_msg(&dev->mt76, skb, cmd, true); +} + +int mt7921_mcu_uni_tx_ba(struct mt7921_dev *dev, + struct ieee80211_ampdu_params *params, + bool enable) +{ + return mt7921_mcu_sta_ba(dev, params, enable, true, MCU_UNI_CMD_STA_REC_UPDATE); +} + +int mt7921_mcu_uni_rx_ba(struct mt7921_dev *dev, + struct ieee80211_ampdu_params *params, + bool enable) +{ + return mt7921_mcu_sta_ba(dev, params, enable, false, MCU_UNI_CMD_STA_REC_UPDATE); +} + +static void +mt7921_mcu_wtbl_generic_tlv(struct sk_buff *skb, struct ieee80211_vif *vif, + struct ieee80211_sta *sta, void *sta_wtbl, + void *wtbl_tlv) +{ + struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; + struct wtbl_generic *generic; + struct wtbl_rx *rx; + struct tlv *tlv; + + tlv = mt7921_mcu_add_nested_tlv(skb, WTBL_GENERIC, sizeof(*generic), + wtbl_tlv, sta_wtbl); + + generic = (struct wtbl_generic *)tlv; + + if (sta) { + if (vif->type == NL80211_IFTYPE_STATION) + generic->partial_aid = cpu_to_le16(vif->bss_conf.aid); + else + generic->partial_aid = cpu_to_le16(sta->aid); + memcpy(generic->peer_addr, sta->addr, ETH_ALEN); + generic->muar_idx = mvif->omac_idx; + generic->qos = sta->wme; + } else { + /* use BSSID in station mode */ + if (vif->type == NL80211_IFTYPE_STATION) + memcpy(generic->peer_addr, vif->bss_conf.bssid, + ETH_ALEN); + else + eth_broadcast_addr(generic->peer_addr); + + generic->muar_idx = 0xe; + } + + tlv = mt7921_mcu_add_nested_tlv(skb, WTBL_RX, sizeof(*rx), + wtbl_tlv, sta_wtbl); + + rx = (struct wtbl_rx *)tlv; + rx->rca1 = sta ? vif->type != NL80211_IFTYPE_AP : 1; + rx->rca2 = 1; + rx->rv = 1; +} + +static void +mt7921_mcu_sta_basic_tlv(struct sk_buff *skb, struct ieee80211_vif *vif, + struct ieee80211_sta *sta, bool enable) +{ +#define EXTRA_INFO_VER BIT(0) +#define EXTRA_INFO_NEW BIT(1) + struct sta_rec_basic *basic; + struct tlv *tlv; + int conn_type; + + tlv = mt7921_mcu_add_tlv(skb, STA_REC_BASIC, sizeof(*basic)); + + basic = (struct sta_rec_basic *)tlv; + basic->extra_info = cpu_to_le16(EXTRA_INFO_VER); + + if (enable) { + basic->extra_info |= cpu_to_le16(EXTRA_INFO_NEW); + basic->conn_state = CONN_STATE_PORT_SECURE; + } else { + basic->conn_state = CONN_STATE_DISCONNECT; + } + + if (!sta) { + basic->conn_type = cpu_to_le32(CONNECTION_INFRA_BC); + eth_broadcast_addr(basic->peer_addr); + return; + } + + switch (vif->type) { + case NL80211_IFTYPE_MESH_POINT: + case NL80211_IFTYPE_AP: + if (vif->p2p) + conn_type = CONNECTION_P2P_GC; + else + conn_type = CONNECTION_INFRA_STA; + basic->conn_type = cpu_to_le32(conn_type); + basic->aid = cpu_to_le16(sta->aid); + break; + case NL80211_IFTYPE_STATION: + if (vif->p2p) + conn_type = CONNECTION_P2P_GO; + else + conn_type = CONNECTION_INFRA_AP; + basic->conn_type = cpu_to_le32(conn_type); + basic->aid = cpu_to_le16(vif->bss_conf.aid); + break; + case NL80211_IFTYPE_ADHOC: + basic->conn_type = cpu_to_le32(CONNECTION_IBSS_ADHOC); + basic->aid = cpu_to_le16(sta->aid); + break; + default: + WARN_ON(1); + break; + } + + memcpy(basic->peer_addr, sta->addr, ETH_ALEN); + basic->qos = sta->wme; +} + +static void +mt7921_mcu_sta_he_tlv(struct sk_buff *skb, struct ieee80211_sta *sta) +{ + struct ieee80211_sta_he_cap *he_cap = &sta->he_cap; + struct ieee80211_he_cap_elem *elem = &he_cap->he_cap_elem; + struct sta_rec_he *he; + struct tlv *tlv; + u32 cap = 0; + + tlv = mt7921_mcu_add_tlv(skb, STA_REC_HE, sizeof(*he)); + + he = (struct sta_rec_he *)tlv; + + if (elem->mac_cap_info[0] & IEEE80211_HE_MAC_CAP0_HTC_HE) + cap |= STA_REC_HE_CAP_HTC; + + if (elem->mac_cap_info[2] & IEEE80211_HE_MAC_CAP2_BSR) + cap |= STA_REC_HE_CAP_BSR; + + if (elem->mac_cap_info[3] & IEEE80211_HE_MAC_CAP3_OMI_CONTROL) + cap |= STA_REC_HE_CAP_OM; + + if (elem->mac_cap_info[4] & IEEE80211_HE_MAC_CAP4_AMDSU_IN_AMPDU) + cap |= STA_REC_HE_CAP_AMSDU_IN_AMPDU; + + if (elem->mac_cap_info[4] & IEEE80211_HE_MAC_CAP4_BQR) + cap |= STA_REC_HE_CAP_BQR; + + if (elem->phy_cap_info[0] & + (IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G | + IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G)) + cap |= STA_REC_HE_CAP_BW20_RU242_SUPPORT; + + if (elem->phy_cap_info[1] & + IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD) + cap |= STA_REC_HE_CAP_LDPC; + + if (elem->phy_cap_info[1] & + IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US) + cap |= STA_REC_HE_CAP_SU_PPDU_1LTF_8US_GI; + + if (elem->phy_cap_info[2] & + IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US) + cap |= STA_REC_HE_CAP_NDP_4LTF_3DOT2MS_GI; + + if (elem->phy_cap_info[2] & + IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ) + cap |= STA_REC_HE_CAP_LE_EQ_80M_TX_STBC; + + if (elem->phy_cap_info[2] & + IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ) + cap |= STA_REC_HE_CAP_LE_EQ_80M_RX_STBC; + + if (elem->phy_cap_info[6] & + IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE) + cap |= STA_REC_HE_CAP_PARTIAL_BW_EXT_RANGE; + + if (elem->phy_cap_info[7] & + IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI) + cap |= STA_REC_HE_CAP_SU_MU_PPDU_4LTF_8US_GI; + + if (elem->phy_cap_info[7] & + IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ) + cap |= STA_REC_HE_CAP_GT_80M_TX_STBC; + + if (elem->phy_cap_info[7] & + IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ) + cap |= STA_REC_HE_CAP_GT_80M_RX_STBC; + + if (elem->phy_cap_info[8] & + IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI) + cap |= STA_REC_HE_CAP_ER_SU_PPDU_4LTF_8US_GI; + + if (elem->phy_cap_info[8] & + IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI) + cap |= STA_REC_HE_CAP_ER_SU_PPDU_1LTF_8US_GI; + + if (elem->phy_cap_info[9] & + IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK) + cap |= STA_REC_HE_CAP_TRIG_CQI_FK; + + if (elem->phy_cap_info[9] & + IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU) + cap |= STA_REC_HE_CAP_TX_1024QAM_UNDER_RU242; + + if (elem->phy_cap_info[9] & + IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU) + cap |= STA_REC_HE_CAP_RX_1024QAM_UNDER_RU242; + + he->he_cap = cpu_to_le32(cap); + + switch (sta->bandwidth) { + case IEEE80211_STA_RX_BW_160: + if (elem->phy_cap_info[0] & + IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G) + he->max_nss_mcs[CMD_HE_MCS_BW8080] = + he_cap->he_mcs_nss_supp.rx_mcs_80p80; + + he->max_nss_mcs[CMD_HE_MCS_BW160] = + he_cap->he_mcs_nss_supp.rx_mcs_160; + fallthrough; + default: + he->max_nss_mcs[CMD_HE_MCS_BW80] = + he_cap->he_mcs_nss_supp.rx_mcs_80; + break; + } + + he->t_frame_dur = + HE_MAC(CAP1_TF_MAC_PAD_DUR_MASK, elem->mac_cap_info[1]); + he->max_ampdu_exp = + HE_MAC(CAP3_MAX_AMPDU_LEN_EXP_MASK, elem->mac_cap_info[3]); + + he->bw_set = + HE_PHY(CAP0_CHANNEL_WIDTH_SET_MASK, elem->phy_cap_info[0]); + he->device_class = + HE_PHY(CAP1_DEVICE_CLASS_A, elem->phy_cap_info[1]); + he->punc_pream_rx = + HE_PHY(CAP1_PREAMBLE_PUNC_RX_MASK, elem->phy_cap_info[1]); + + he->dcm_tx_mode = + HE_PHY(CAP3_DCM_MAX_CONST_TX_MASK, elem->phy_cap_info[3]); + he->dcm_tx_max_nss = + HE_PHY(CAP3_DCM_MAX_TX_NSS_2, elem->phy_cap_info[3]); + he->dcm_rx_mode = + HE_PHY(CAP3_DCM_MAX_CONST_RX_MASK, elem->phy_cap_info[3]); + he->dcm_rx_max_nss = + HE_PHY(CAP3_DCM_MAX_RX_NSS_2, elem->phy_cap_info[3]); + he->dcm_rx_max_nss = + HE_PHY(CAP8_DCM_MAX_RU_MASK, elem->phy_cap_info[8]); + + he->pkt_ext = 2; +} + +static void +mt7921_mcu_sta_uapsd_tlv(struct sk_buff *skb, struct ieee80211_sta *sta, + struct ieee80211_vif *vif) +{ + struct sta_rec_uapsd *uapsd; + struct tlv *tlv; + + if (vif->type != NL80211_IFTYPE_AP || !sta->wme) + return; + + tlv = mt7921_mcu_add_tlv(skb, STA_REC_APPS, sizeof(*uapsd)); + uapsd = (struct sta_rec_uapsd *)tlv; + + if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VO) { + uapsd->dac_map |= BIT(3); + uapsd->tac_map |= BIT(3); + } + if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VI) { + uapsd->dac_map |= BIT(2); + uapsd->tac_map |= BIT(2); + } + if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BE) { + uapsd->dac_map |= BIT(1); + uapsd->tac_map |= BIT(1); + } + if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BK) { + uapsd->dac_map |= BIT(0); + uapsd->tac_map |= BIT(0); + } + uapsd->max_sp = sta->max_sp; +} + +static void +mt7921_mcu_sta_amsdu_tlv(struct sk_buff *skb, struct ieee80211_sta *sta) +{ + struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; + struct sta_rec_amsdu *amsdu; + struct tlv *tlv; + + if (!sta->max_amsdu_len) + return; + + tlv = mt7921_mcu_add_tlv(skb, STA_REC_HW_AMSDU, sizeof(*amsdu)); + amsdu = (struct sta_rec_amsdu *)tlv; + amsdu->max_amsdu_num = 8; + amsdu->amsdu_en = true; + amsdu->max_mpdu_size = sta->max_amsdu_len >= + IEEE80211_MAX_MPDU_LEN_VHT_7991; + msta->wcid.amsdu = true; +} + +static bool +mt7921_hw_amsdu_supported(struct ieee80211_vif *vif) +{ + switch (vif->type) { + case NL80211_IFTYPE_AP: + case NL80211_IFTYPE_STATION: + return true; + default: + return false; + } +} + +static void +mt7921_mcu_sta_tlv(struct mt7921_dev *dev, struct sk_buff *skb, + struct ieee80211_sta *sta, struct ieee80211_vif *vif) +{ + struct tlv *tlv; + struct sta_rec_state *state; + struct sta_rec_phy *phy; + struct cfg80211_chan_def *chandef = &dev->mphy.chandef; + enum nl80211_band band = chandef->chan->band; + u32 supp_rate = sta->supp_rates[band]; + struct ieee80211_sta_he_cap *he_cap = &sta->he_cap; + struct ieee80211_he_cap_elem *elem = &he_cap->he_cap_elem; + + /* starec ht */ + if (sta->ht_cap.ht_supported) { + struct sta_rec_ht *ht; + + tlv = mt7921_mcu_add_tlv(skb, STA_REC_HT, sizeof(*ht)); + ht = (struct sta_rec_ht *)tlv; + ht->ht_cap = cpu_to_le16(sta->ht_cap.cap); + + if (mt7921_hw_amsdu_supported(vif)) + mt7921_mcu_sta_amsdu_tlv(skb, sta); + } + + /* starec vht */ + if (sta->vht_cap.vht_supported) { + struct sta_rec_vht *vht; + + tlv = mt7921_mcu_add_tlv(skb, STA_REC_VHT, sizeof(*vht)); + vht = (struct sta_rec_vht *)tlv; + vht->vht_cap = cpu_to_le32(sta->vht_cap.cap); + vht->vht_rx_mcs_map = sta->vht_cap.vht_mcs.rx_mcs_map; + vht->vht_tx_mcs_map = sta->vht_cap.vht_mcs.tx_mcs_map; + } + + /* starec he */ + if (sta->he_cap.has_he) + mt7921_mcu_sta_he_tlv(skb, sta); + + /* starec uapsd */ + mt7921_mcu_sta_uapsd_tlv(skb, sta, vif); + + tlv = mt7921_mcu_add_tlv(skb, STA_REC_PHY, sizeof(*phy)); + phy = (struct sta_rec_phy *)tlv; + phy->legacy = supp_rate; + phy->phy_type = mt7921_get_phy_mode_v2(dev, vif, band, sta); + phy->basic_rate = vif->bss_conf.basic_rates; + + if (sta->ht_cap.ht_supported) { + memcpy(phy->rx_mcs_bitmask, sta->ht_cap.mcs.rx_mask, + HT_MCS_MASK_NUM); + } + + if (sta->he_cap.has_he) { + memcpy(phy->he_mac_cap, elem->mac_cap_info, HE_MAC_CAP_BYTE_NUM); + memcpy(phy->he_phy_cap, elem->phy_cap_info, HE_PHY_CAP_BYTE_NUM); + } + + tlv = mt7921_mcu_add_tlv(skb, STA_REC_STATE, sizeof(*state)); + state = (struct sta_rec_state *)tlv; + state->state = 2; + + if (sta->vht_cap.vht_supported) { + state->vht_opmode = sta->bandwidth; + state->vht_opmode |= (sta->rx_nss - 1) << + IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT; + } +} + +static void +mt7921_mcu_wtbl_smps_tlv(struct sk_buff *skb, struct ieee80211_sta *sta, + void *sta_wtbl, void *wtbl_tlv) +{ + struct wtbl_smps *smps; + struct tlv *tlv; + + tlv = mt7921_mcu_add_nested_tlv(skb, WTBL_SMPS, sizeof(*smps), + wtbl_tlv, sta_wtbl); + smps = (struct wtbl_smps *)tlv; + + if (sta->smps_mode == IEEE80211_SMPS_DYNAMIC) + smps->smps = true; +} + +static void +mt7921_mcu_wtbl_ht_tlv(struct sk_buff *skb, struct ieee80211_sta *sta, + void *sta_wtbl, void *wtbl_tlv) +{ + struct wtbl_ht *ht = NULL; + struct tlv *tlv; + + /* wtbl ht */ + if (sta->ht_cap.ht_supported) { + tlv = mt7921_mcu_add_nested_tlv(skb, WTBL_HT, sizeof(*ht), + wtbl_tlv, sta_wtbl); + ht = (struct wtbl_ht *)tlv; + ht->ldpc = !!(sta->ht_cap.cap & IEEE80211_HT_CAP_LDPC_CODING); + ht->af = sta->ht_cap.ampdu_factor; + ht->mm = sta->ht_cap.ampdu_density; + ht->ht = true; + } + + /* wtbl vht */ + if (sta->vht_cap.vht_supported) { + struct wtbl_vht *vht; + u8 af; + + tlv = mt7921_mcu_add_nested_tlv(skb, WTBL_VHT, sizeof(*vht), + wtbl_tlv, sta_wtbl); + vht = (struct wtbl_vht *)tlv; + vht->ldpc = !!(sta->vht_cap.cap & IEEE80211_VHT_CAP_RXLDPC); + vht->vht = true; + + af = FIELD_GET(IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK, + sta->vht_cap.cap); + if (ht) + ht->af = max_t(u8, ht->af, af); + } + + mt7921_mcu_wtbl_smps_tlv(skb, sta, sta_wtbl, wtbl_tlv); +} + +static void +mt7921_mcu_wtbl_hdr_trans_tlv(struct sk_buff *skb, struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + void *sta_wtbl, void *wtbl_tlv) +{ + struct mt7921_sta *msta; + struct wtbl_hdr_trans *htr = NULL; + struct tlv *tlv; + + tlv = mt7921_mcu_add_nested_tlv(skb, WTBL_HDR_TRANS, sizeof(*htr), + wtbl_tlv, sta_wtbl); + htr = (struct wtbl_hdr_trans *)tlv; + htr->no_rx_trans = true; + if (vif->type == NL80211_IFTYPE_STATION) + htr->to_ds = true; + else + htr->from_ds = true; + + if (!sta) + return; + + msta = (struct mt7921_sta *)sta->drv_priv; + if (test_bit(MT_WCID_FLAG_4ADDR, &msta->wcid.flags)) { + htr->to_ds = true; + htr->from_ds = true; + } +} + +int mt7921_mcu_sta_update_hdr_trans(struct mt7921_dev *dev, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta) +{ + struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; + struct wtbl_req_hdr *wtbl_hdr; + struct sk_buff *skb; + + skb = mt76_mcu_msg_alloc(&dev->mt76, NULL, MT7921_WTBL_UPDATE_MAX_SIZE); + if (!skb) + return -ENOMEM; + + wtbl_hdr = mt7921_mcu_alloc_wtbl_req(dev, msta, WTBL_SET, NULL, &skb); + mt7921_mcu_wtbl_hdr_trans_tlv(skb, vif, sta, NULL, wtbl_hdr); + + return mt76_mcu_skb_send_msg(&dev->mt76, skb, MCU_EXT_CMD_WTBL_UPDATE, + true); +} + +static int mt7921_mcu_start_firmware(struct mt7921_dev *dev, u32 addr, + u32 option) +{ + struct { + __le32 option; + __le32 addr; + } req = { + .option = cpu_to_le32(option), + .addr = cpu_to_le32(addr), + }; + + return mt76_mcu_send_msg(&dev->mt76, MCU_CMD_FW_START_REQ, &req, + sizeof(req), true); +} + +static int mt7921_mcu_restart(struct mt76_dev *dev) +{ + struct { + u8 power_mode; + u8 rsv[3]; + } req = { + .power_mode = 1, + }; + + return mt76_mcu_send_msg(dev, MCU_CMD_NIC_POWER_CTRL, &req, + sizeof(req), false); +} + +static int mt7921_mcu_patch_sem_ctrl(struct mt7921_dev *dev, bool get) +{ + struct { + __le32 op; + } req = { + .op = cpu_to_le32(get ? PATCH_SEM_GET : PATCH_SEM_RELEASE), + }; + + return mt76_mcu_send_msg(&dev->mt76, MCU_CMD_PATCH_SEM_CONTROL, &req, + sizeof(req), true); +} + +static int mt7921_mcu_start_patch(struct mt7921_dev *dev) +{ + struct { + u8 check_crc; + u8 reserved[3]; + } req = { + .check_crc = 0, + }; + + return mt76_mcu_send_msg(&dev->mt76, MCU_CMD_PATCH_FINISH_REQ, &req, + sizeof(req), true); +} + +static int mt7921_driver_own(struct mt7921_dev *dev) +{ + u32 reg = mt7921_reg_map_l1(dev, MT_TOP_LPCR_HOST_BAND0); + + mt76_wr(dev, reg, MT_TOP_LPCR_HOST_DRV_OWN); + if (!mt76_poll_msec(dev, reg, MT_TOP_LPCR_HOST_FW_OWN, + 0, 500)) { + dev_err(dev->mt76.dev, "Timeout for driver own\n"); + return -EIO; + } + + return 0; +} + +static int mt7921_mcu_init_download(struct mt7921_dev *dev, u32 addr, + u32 len, u32 mode) +{ + struct { + __le32 addr; + __le32 len; + __le32 mode; + } req = { + .addr = cpu_to_le32(addr), + .len = cpu_to_le32(len), + .mode = cpu_to_le32(mode), + }; + int attr; + + if (req.addr == cpu_to_le32(MCU_PATCH_ADDRESS) || addr == 0x900000) + attr = MCU_CMD_PATCH_START_REQ; + else + attr = MCU_CMD_TARGET_ADDRESS_LEN_REQ; + + return mt76_mcu_send_msg(&dev->mt76, attr, &req, sizeof(req), true); +} + +static int mt7921_load_patch(struct mt7921_dev *dev) +{ + const struct mt7921_patch_hdr *hdr; + const struct firmware *fw = NULL; + int i, ret, sem; + + sem = mt7921_mcu_patch_sem_ctrl(dev, 1); + switch (sem) { + case PATCH_IS_DL: + return 0; + case PATCH_NOT_DL_SEM_SUCCESS: + break; + default: + dev_err(dev->mt76.dev, "Failed to get patch semaphore\n"); + return -EAGAIN; + } + + ret = request_firmware(&fw, MT7921_ROM_PATCH, dev->mt76.dev); + if (ret) + goto out; + + if (!fw || !fw->data || fw->size < sizeof(*hdr)) { + dev_err(dev->mt76.dev, "Invalid firmware\n"); + ret = -EINVAL; + goto out; + } + + hdr = (const struct mt7921_patch_hdr *)(fw->data); + + dev_info(dev->mt76.dev, "HW/SW Version: 0x%x, Build Time: %.16s\n", + be32_to_cpu(hdr->hw_sw_ver), hdr->build_date); + + for (i = 0; i < be32_to_cpu(hdr->desc.n_region); i++) { + struct mt7921_patch_sec *sec; + const u8 *dl; + u32 len, addr; + + sec = (struct mt7921_patch_sec *)(fw->data + sizeof(*hdr) + + i * sizeof(*sec)); + if ((be32_to_cpu(sec->type) & PATCH_SEC_TYPE_MASK) != + PATCH_SEC_TYPE_INFO) { + ret = -EINVAL; + goto out; + } + + addr = be32_to_cpu(sec->info.addr); + len = be32_to_cpu(sec->info.len); + dl = fw->data + be32_to_cpu(sec->offs); + + ret = mt7921_mcu_init_download(dev, addr, len, + DL_MODE_NEED_RSP); + if (ret) { + dev_err(dev->mt76.dev, "Download request failed\n"); + goto out; + } + + ret = mt76_mcu_send_firmware(&dev->mt76, MCU_CMD_FW_SCATTER, + dl, len); + if (ret) { + dev_err(dev->mt76.dev, "Failed to send patch\n"); + goto out; + } + } + + ret = mt7921_mcu_start_patch(dev); + if (ret) + dev_err(dev->mt76.dev, "Failed to start patch\n"); + +out: + sem = mt7921_mcu_patch_sem_ctrl(dev, 0); + switch (sem) { + case PATCH_REL_SEM_SUCCESS: + break; + default: + ret = -EAGAIN; + dev_err(dev->mt76.dev, "Failed to release patch semaphore\n"); + goto out; + } + release_firmware(fw); + + return ret; +} + +static u32 mt7921_mcu_gen_dl_mode(u8 feature_set, bool is_wa) +{ + u32 ret = 0; + + ret |= (feature_set & FW_FEATURE_SET_ENCRYPT) ? + (DL_MODE_ENCRYPT | DL_MODE_RESET_SEC_IV) : 0; + ret |= (feature_set & FW_FEATURE_ENCRY_MODE) ? + DL_CONFIG_ENCRY_MODE_SEL : 0; + ret |= FIELD_PREP(DL_MODE_KEY_IDX, + FIELD_GET(FW_FEATURE_SET_KEY_IDX, feature_set)); + ret |= DL_MODE_NEED_RSP; + ret |= is_wa ? DL_MODE_WORKING_PDA_CR4 : 0; + + return ret; +} + +static int +mt7921_mcu_send_ram_firmware(struct mt7921_dev *dev, + const struct mt7921_fw_trailer *hdr, + const u8 *data, bool is_wa) +{ + int i, offset = 0; + u32 override = 0, option = 0; + + for (i = 0; i < hdr->n_region; i++) { + const struct mt7921_fw_region *region; + int err; + u32 len, addr, mode; + + region = (const struct mt7921_fw_region *)((const u8 *)hdr - + (hdr->n_region - i) * sizeof(*region)); + mode = mt7921_mcu_gen_dl_mode(region->feature_set, is_wa); + len = le32_to_cpu(region->len); + addr = le32_to_cpu(region->addr); + + if (region->feature_set & FW_FEATURE_OVERRIDE_ADDR) + override = addr; + + err = mt7921_mcu_init_download(dev, addr, len, mode); + if (err) { + dev_err(dev->mt76.dev, "Download request failed\n"); + return err; + } + + err = mt76_mcu_send_firmware(&dev->mt76, MCU_CMD_FW_SCATTER, + data + offset, len); + if (err) { + dev_err(dev->mt76.dev, "Failed to send firmware.\n"); + return err; + } + + offset += len; + } + + if (override) + option |= FW_START_OVERRIDE; + + if (is_wa) + option |= FW_START_WORKING_PDA_CR4; + + return mt7921_mcu_start_firmware(dev, override, option); +} + +static int mt7921_load_ram(struct mt7921_dev *dev) +{ + const struct mt7921_fw_trailer *hdr; + const struct firmware *fw; + int ret; + + ret = request_firmware(&fw, MT7921_FIRMWARE_WM, dev->mt76.dev); + if (ret) + return ret; + + if (!fw || !fw->data || fw->size < sizeof(*hdr)) { + dev_err(dev->mt76.dev, "Invalid firmware\n"); + ret = -EINVAL; + goto out; + } + + hdr = (const struct mt7921_fw_trailer *)(fw->data + fw->size - + sizeof(*hdr)); + + dev_info(dev->mt76.dev, "WM Firmware Version: %.10s, Build Time: %.15s\n", + hdr->fw_ver, hdr->build_date); + + ret = mt7921_mcu_send_ram_firmware(dev, hdr, fw->data, false); + if (ret) { + dev_err(dev->mt76.dev, "Failed to start WM firmware\n"); + goto out; + } + + snprintf(dev->mt76.hw->wiphy->fw_version, + sizeof(dev->mt76.hw->wiphy->fw_version), + "%.10s-%.15s", hdr->fw_ver, hdr->build_date); + +out: + release_firmware(fw); + + return ret; +} + +static int mt7921_load_firmware(struct mt7921_dev *dev) +{ + int ret; + + ret = mt76_get_field(dev, MT_CONN_ON_MISC, MT_TOP_MISC2_FW_N9_RDY); + if (ret) { + dev_dbg(dev->mt76.dev, "Firmware is already download\n"); + return -EIO; + } + + ret = mt7921_load_patch(dev); + if (ret) + return ret; + + ret = mt7921_load_ram(dev); + if (ret) + return ret; + + if (!mt76_poll_msec(dev, MT_CONN_ON_MISC, MT_TOP_MISC2_FW_N9_RDY, + MT_TOP_MISC2_FW_N9_RDY, 1500)) { + dev_err(dev->mt76.dev, "Timeout for initializing firmware\n"); + + return -EIO; + } + + mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[MT_MCUQ_FWDL], false); + + dev_err(dev->mt76.dev, "Firmware init done\n"); + + return 0; +} + +int mt7921_mcu_fw_log_2_host(struct mt7921_dev *dev, u8 ctrl) +{ + struct { + u8 ctrl_val; + u8 pad[3]; + } data = { + .ctrl_val = ctrl + }; + + return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_FW_LOG_2_HOST, &data, + sizeof(data), true); +} + +int mt7921_mcu_fw_dbg_ctrl(struct mt7921_dev *dev, u32 module, u8 level) +{ + struct { + u8 ver; + u8 pad; + __le16 len; + u8 level; + u8 rsv[3]; + __le32 module_idx; + } data = { + .module_idx = cpu_to_le32(module), + .level = level, + }; + + return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_FW_DBG_CTRL, &data, + sizeof(data), false); +} + +int mt7921_mcu_init(struct mt7921_dev *dev) +{ + static const struct mt76_mcu_ops mt7921_mcu_ops = { + .headroom = sizeof(struct mt7921_mcu_txd), + .mcu_skb_send_msg = mt7921_mcu_send_message, + .mcu_parse_response = mt7921_mcu_parse_response, + .mcu_restart = mt7921_mcu_restart, + }; + int ret; + + dev->mt76.mcu_ops = &mt7921_mcu_ops; + + ret = mt7921_driver_own(dev); + if (ret) + return ret; + + ret = mt7921_load_firmware(dev); + if (ret) + return ret; + + set_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state); + mt7921_mcu_fw_log_2_host(dev, 1); + + return 0; +} + +void mt7921_mcu_exit(struct mt7921_dev *dev) +{ + u32 reg = mt7921_reg_map_l1(dev, MT_TOP_MISC); + + __mt76_mcu_restart(&dev->mt76); + if (!mt76_poll_msec(dev, reg, MT_TOP_MISC_FW_STATE, + FIELD_PREP(MT_TOP_MISC_FW_STATE, + FW_STATE_FW_DOWNLOAD), 1000)) { + dev_err(dev->mt76.dev, "Failed to exit mcu\n"); + return; + } + + reg = mt7921_reg_map_l1(dev, MT_TOP_LPCR_HOST_BAND0); + mt76_wr(dev, reg, MT_TOP_LPCR_HOST_FW_OWN); + skb_queue_purge(&dev->mt76.mcu.res_q); +} + +int mt7921_mcu_set_mac(struct mt7921_dev *dev, int band, + bool enable, bool hdr_trans) +{ + struct { + u8 operation; + u8 enable; + u8 check_bssid; + u8 insert_vlan; + u8 remove_vlan; + u8 tid; + u8 mode; + u8 rsv; + } __packed req_trans = { + .enable = hdr_trans, + }; + struct { + u8 enable; + u8 band; + u8 rsv[2]; + } __packed req_mac = { + .enable = enable, + .band = band, + }; + int ret; + + ret = mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_RX_HDR_TRANS, + &req_trans, sizeof(req_trans), false); + if (ret) + return ret; + + return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_MAC_INIT_CTRL, + &req_mac, sizeof(req_mac), true); +} + +int mt7921_mcu_set_rts_thresh(struct mt7921_phy *phy, u32 val) +{ + struct mt7921_dev *dev = phy->dev; + struct { + u8 prot_idx; + u8 band; + u8 rsv[2]; + __le32 len_thresh; + __le32 pkt_thresh; + } __packed req = { + .prot_idx = 1, + .band = phy != &dev->phy, + .len_thresh = cpu_to_le32(val), + .pkt_thresh = cpu_to_le32(0x2), + }; + + return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_PROTECT_CTRL, &req, + sizeof(req), true); +} + +int mt7921_mcu_set_tx(struct mt7921_dev *dev, struct ieee80211_vif *vif) +{ +#define WMM_AIFS_SET BIT(0) +#define WMM_CW_MIN_SET BIT(1) +#define WMM_CW_MAX_SET BIT(2) +#define WMM_TXOP_SET BIT(3) +#define WMM_PARAM_SET GENMASK(3, 0) +#define TX_CMD_MODE 1 + struct edca { + u8 queue; + u8 set; + u8 aifs; + u8 cw_min; + __le16 cw_max; + __le16 txop; + }; + struct mt7921_mcu_tx { + u8 total; + u8 action; + u8 valid; + u8 mode; + + struct edca edca[IEEE80211_NUM_ACS]; + } __packed req = { + .valid = true, + .mode = TX_CMD_MODE, + .total = IEEE80211_NUM_ACS, + }; + struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; + int ac; + + for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { + struct ieee80211_tx_queue_params *q = &mvif->queue_params[ac]; + struct edca *e = &req.edca[ac]; + + e->set = WMM_PARAM_SET; + e->queue = ac + mvif->wmm_idx * MT7921_MAX_WMM_SETS; + e->aifs = q->aifs; + e->txop = cpu_to_le16(q->txop); + + if (q->cw_min) + e->cw_min = fls(q->cw_min); + else + e->cw_min = 5; + + if (q->cw_max) + e->cw_max = cpu_to_le16(fls(q->cw_max)); + else + e->cw_max = cpu_to_le16(10); + } + return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_EDCA_UPDATE, &req, + sizeof(req), true); +} + +int mt7921_mcu_set_chan_info(struct mt7921_phy *phy, int cmd) +{ + struct mt7921_dev *dev = phy->dev; + struct cfg80211_chan_def *chandef = &phy->mt76->chandef; + int freq1 = chandef->center_freq1; + struct { + u8 control_ch; + u8 center_ch; + u8 bw; + u8 tx_streams_num; + u8 rx_streams; /* mask or num */ + u8 switch_reason; + u8 band_idx; + u8 center_ch2; /* for 80+80 only */ + __le16 cac_case; + u8 channel_band; + u8 rsv0; + __le32 outband_freq; + u8 txpower_drop; + u8 ap_bw; + u8 ap_center_ch; + u8 rsv1[57]; + } __packed req = { + .control_ch = chandef->chan->hw_value, + .center_ch = ieee80211_frequency_to_channel(freq1), + .bw = mt7921_mcu_chan_bw(chandef), + .tx_streams_num = hweight8(phy->mt76->antenna_mask), + .rx_streams = phy->mt76->antenna_mask, + .band_idx = phy != &dev->phy, + .channel_band = chandef->chan->band, + }; + + if (dev->mt76.hw->conf.flags & IEEE80211_CONF_OFFCHANNEL) + req.switch_reason = CH_SWITCH_SCAN_BYPASS_DPD; + else if ((chandef->chan->flags & IEEE80211_CHAN_RADAR) && + chandef->chan->dfs_state != NL80211_DFS_AVAILABLE) + req.switch_reason = CH_SWITCH_DFS; + else + req.switch_reason = CH_SWITCH_NORMAL; + + if (cmd == MCU_EXT_CMD_CHANNEL_SWITCH) + req.rx_streams = hweight8(req.rx_streams); + + if (chandef->width == NL80211_CHAN_WIDTH_80P80) { + int freq2 = chandef->center_freq2; + + req.center_ch2 = ieee80211_frequency_to_channel(freq2); + } + + return mt76_mcu_send_msg(&dev->mt76, cmd, &req, sizeof(req), true); +} + +int mt7921_mcu_set_eeprom(struct mt7921_dev *dev) +{ + struct req_hdr { + u8 buffer_mode; + u8 format; + __le16 len; + } __packed req = { + .buffer_mode = EE_MODE_EFUSE, + .format = EE_FORMAT_WHOLE, + }; + + return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_EFUSE_BUFFER_MODE, + &req, sizeof(req), true); +} + +int mt7921_mcu_get_eeprom(struct mt7921_dev *dev, u32 offset) +{ + struct mt7921_mcu_eeprom_info req = { + .addr = cpu_to_le32(round_down(offset, 16)), + }; + struct mt7921_mcu_eeprom_info *res; + struct sk_buff *skb; + int ret; + u8 *buf; + + ret = mt76_mcu_send_and_get_msg(&dev->mt76, MCU_EXT_CMD_EFUSE_ACCESS, &req, + sizeof(req), true, &skb); + if (ret) + return ret; + + res = (struct mt7921_mcu_eeprom_info *)skb->data; + buf = dev->mt76.eeprom.data + le32_to_cpu(res->addr); + memcpy(buf, res->data, 16); + dev_kfree_skb(skb); + + return 0; +} + +int mt7921_mcu_set_sku(struct mt7921_phy *phy) +{ + struct mt7921_dev *dev = phy->dev; + struct mt76_phy *mphy = phy->mt76; + struct ieee80211_hw *hw = mphy->hw; + struct mt7921_sku_val { + u8 format_id; + u8 limit_type; + u8 dbdc_idx; + s8 val[MT7921_SKU_RATE_NUM]; + } __packed req = { + .format_id = 4, + .dbdc_idx = phy != &dev->phy, + }; + int i; + s8 *delta; + + delta = dev->rate_power[mphy->chandef.chan->band]; + mphy->txpower_cur = hw->conf.power_level * 2 + + delta[MT7921_SKU_MAX_DELTA_IDX]; + + for (i = 0; i < MT7921_SKU_RATE_NUM; i++) + req.val[i] = hw->conf.power_level * 2 + delta[i]; + + return mt76_mcu_send_msg(&dev->mt76, + MCU_EXT_CMD_TX_POWER_FEATURE_CTRL, &req, + sizeof(req), true); +} + +int mt7921_mcu_set_sku_en(struct mt7921_phy *phy, bool enable) +{ + struct mt7921_dev *dev = phy->dev; + struct mt7921_sku { + u8 format_id; + u8 sku_enable; + u8 dbdc_idx; + u8 rsv; + } __packed req = { + .format_id = 0, + .dbdc_idx = phy != &dev->phy, + .sku_enable = enable, + }; + + return mt76_mcu_send_msg(&dev->mt76, + MCU_EXT_CMD_TX_POWER_FEATURE_CTRL, &req, + sizeof(req), true); +} + +int mt7921_mcu_get_rx_rate(struct mt7921_phy *phy, struct ieee80211_vif *vif, + struct ieee80211_sta *sta, struct rate_info *rate) +{ + struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; + struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; + struct mt7921_dev *dev = phy->dev; + struct mt76_phy *mphy = phy->mt76; + struct { + u8 category; + u8 band; + __le16 wcid; + } __packed req = { + .category = MCU_PHY_STATE_CONTENTION_RX_RATE, + .band = mvif->band_idx, + .wcid = cpu_to_le16(msta->wcid.idx), + }; + struct ieee80211_supported_band *sband; + struct mt7921_mcu_phy_rx_info *res; + struct sk_buff *skb; + u16 flags = 0; + int ret; + int i; + + ret = mt76_mcu_send_and_get_msg(&dev->mt76, MCU_EXT_CMD_PHY_STAT_INFO, + &req, sizeof(req), true, &skb); + if (ret) + return ret; + + res = (struct mt7921_mcu_phy_rx_info *)skb->data; + + rate->mcs = res->rate; + rate->nss = res->nsts + 1; + + switch (res->mode) { + case MT_PHY_TYPE_CCK: + case MT_PHY_TYPE_OFDM: + if (mphy->chandef.chan->band == NL80211_BAND_5GHZ) + sband = &mphy->sband_5g.sband; + else + sband = &mphy->sband_2g.sband; + + for (i = 0; i < sband->n_bitrates; i++) { + if (rate->mcs != (sband->bitrates[i].hw_value & 0xf)) + continue; + + rate->legacy = sband->bitrates[i].bitrate; + break; + } + break; + case MT_PHY_TYPE_HT: + case MT_PHY_TYPE_HT_GF: + rate->mcs += (rate->nss - 1) * 8; + flags |= RATE_INFO_FLAGS_MCS; + + if (res->gi) + flags |= RATE_INFO_FLAGS_SHORT_GI; + break; + case MT_PHY_TYPE_VHT: + flags |= RATE_INFO_FLAGS_VHT_MCS; + + if (res->gi) + flags |= RATE_INFO_FLAGS_SHORT_GI; + break; + case MT_PHY_TYPE_HE_SU: + case MT_PHY_TYPE_HE_EXT_SU: + case MT_PHY_TYPE_HE_TB: + case MT_PHY_TYPE_HE_MU: + rate->he_gi = res->gi; + + flags |= RATE_INFO_FLAGS_HE_MCS; + break; + default: + break; + } + rate->flags = flags; + + switch (res->bw) { + case IEEE80211_STA_RX_BW_160: + rate->bw = RATE_INFO_BW_160; + break; + case IEEE80211_STA_RX_BW_80: + rate->bw = RATE_INFO_BW_80; + break; + case IEEE80211_STA_RX_BW_40: + rate->bw = RATE_INFO_BW_40; + break; + default: + rate->bw = RATE_INFO_BW_20; + break; + } + + return 0; +} + +int +mt7921_mcu_uni_add_dev(struct mt7921_dev *dev, + struct ieee80211_vif *vif, bool enable) +{ + struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; + struct { + struct { + u8 omac_idx; + u8 band_idx; + __le16 pad; + } __packed hdr; + struct req_tlv { + __le16 tag; + __le16 len; + u8 active; + u8 pad; + u8 omac_addr[ETH_ALEN]; + } __packed tlv; + } dev_req = { + .hdr = { + .omac_idx = mvif->omac_idx, + .band_idx = mvif->band_idx, + }, + .tlv = { + .tag = cpu_to_le16(DEV_INFO_ACTIVE), + .len = cpu_to_le16(sizeof(struct req_tlv)), + .active = enable, + }, + }; + struct { + struct { + u8 bss_idx; + u8 pad[3]; + } __packed hdr; + struct mt7921_bss_basic_tlv basic; + } basic_req = { + .hdr = { + .bss_idx = mvif->idx, + }, + .basic = { + .tag = cpu_to_le16(UNI_BSS_INFO_BASIC), + .len = cpu_to_le16(sizeof(struct mt7921_bss_basic_tlv)), + .omac_idx = mvif->omac_idx, + .band_idx = mvif->band_idx, + .wmm_idx = mvif->wmm_idx, + .active = enable, + .bmc_tx_wlan_idx = cpu_to_le16(mvif->sta.wcid.idx), + .sta_idx = cpu_to_le16(mvif->sta.wcid.idx), + .conn_state = 1, + }, + }; + int err, idx, cmd, len; + void *data; + + switch (vif->type) { + case NL80211_IFTYPE_MESH_POINT: + case NL80211_IFTYPE_AP: + basic_req.basic.conn_type = cpu_to_le32(CONNECTION_INFRA_AP); + break; + case NL80211_IFTYPE_STATION: + basic_req.basic.conn_type = cpu_to_le32(CONNECTION_INFRA_STA); + break; + case NL80211_IFTYPE_ADHOC: + basic_req.basic.conn_type = cpu_to_le32(CONNECTION_IBSS_ADHOC); + break; + default: + WARN_ON(1); + break; + } + + idx = mvif->omac_idx > EXT_BSSID_START ? HW_BSSID_0 : mvif->omac_idx; + basic_req.basic.hw_bss_idx = idx; + + memcpy(dev_req.tlv.omac_addr, vif->addr, ETH_ALEN); + + cmd = enable ? MCU_UNI_CMD_DEV_INFO_UPDATE : MCU_UNI_CMD_BSS_INFO_UPDATE; + data = enable ? (void *)&dev_req : (void *)&basic_req; + len = enable ? sizeof(dev_req) : sizeof(basic_req); + + err = mt76_mcu_send_msg(&dev->mt76, cmd, data, len, true); + if (err < 0) + return err; + + cmd = enable ? MCU_UNI_CMD_BSS_INFO_UPDATE : MCU_UNI_CMD_DEV_INFO_UPDATE; + data = enable ? (void *)&basic_req : (void *)&dev_req; + len = enable ? sizeof(basic_req) : sizeof(dev_req); + + return mt76_mcu_send_msg(&dev->mt76, cmd, data, len, true); +} + +int +mt7921_mcu_uni_add_bss(struct mt7921_phy *phy, struct ieee80211_vif *vif, + bool enable) +{ + struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; + struct cfg80211_chan_def *chandef = &phy->mt76->chandef; + int freq1 = chandef->center_freq1, freq2 = chandef->center_freq2; + struct mt7921_dev *dev = phy->dev; + enum nl80211_band band = chandef->chan->band; + + struct { + struct { + u8 bss_idx; + u8 pad[3]; + } __packed hdr; + struct mt7921_bss_basic_tlv basic; + struct mt7921_bss_qos_tlv qos; + } basic_req = { + .hdr = { + .bss_idx = mvif->idx, + }, + .basic = { + .tag = cpu_to_le16(UNI_BSS_INFO_BASIC), + .len = cpu_to_le16(sizeof(struct mt7921_bss_basic_tlv)), + .bcn_interval = cpu_to_le16(vif->bss_conf.beacon_int), + .dtim_period = vif->bss_conf.dtim_period, + .omac_idx = mvif->omac_idx, + .band_idx = mvif->band_idx, + .wmm_idx = mvif->wmm_idx, + .active = true, /* keep bss deactivated */ + .phymode = mt7921_get_phy_mode(phy->dev, vif, band, NULL), + }, + .qos = { + .tag = cpu_to_le16(UNI_BSS_INFO_QBSS), + .len = cpu_to_le16(sizeof(struct mt7921_bss_qos_tlv)), + .qos = vif->bss_conf.qos, + }, + }; + + struct { + struct { + u8 bss_idx; + u8 pad[3]; + } __packed hdr; + struct bss_info_uni_he he; + } he_req = { + .hdr = { + .bss_idx = mvif->idx, + }, + .he = { + .tag = cpu_to_le16(UNI_BSS_INFO_HE_BASIC), + .len = cpu_to_le16(sizeof(struct bss_info_uni_he)), + }, + }; + + struct { + struct { + u8 bss_idx; + u8 pad[3]; + } __packed hdr; + struct rlm_tlv { + __le16 tag; + __le16 len; + u8 control_channel; + u8 center_chan; + u8 center_chan2; + u8 bw; + u8 tx_streams; + u8 rx_streams; + u8 short_st; + u8 ht_op_info; + u8 sco; + u8 pad[3]; + } __packed rlm; + } __packed rlm_req = { + .hdr = { + .bss_idx = mvif->idx, + }, + .rlm = { + .tag = cpu_to_le16(UNI_BSS_INFO_RLM), + .len = cpu_to_le16(sizeof(struct rlm_tlv)), + .control_channel = chandef->chan->hw_value, + .center_chan = ieee80211_frequency_to_channel(freq1), + .center_chan2 = ieee80211_frequency_to_channel(freq2), + .tx_streams = hweight8(phy->mt76->antenna_mask), + .rx_streams = phy->chainmask, + .short_st = true, + }, + }; + int err, conn_type; + u8 idx; + + idx = mvif->omac_idx > EXT_BSSID_START ? HW_BSSID_0 : mvif->omac_idx; + basic_req.basic.hw_bss_idx = idx; + + switch (vif->type) { + case NL80211_IFTYPE_MESH_POINT: + case NL80211_IFTYPE_AP: + if (vif->p2p) + conn_type = CONNECTION_P2P_GO; + else + conn_type = CONNECTION_INFRA_AP; + basic_req.basic.conn_type = cpu_to_le32(conn_type); + break; + case NL80211_IFTYPE_STATION: + if (vif->p2p) + conn_type = CONNECTION_P2P_GC; + else + conn_type = CONNECTION_INFRA_STA; + basic_req.basic.conn_type = cpu_to_le32(conn_type); + break; + case NL80211_IFTYPE_ADHOC: + basic_req.basic.conn_type = cpu_to_le32(CONNECTION_IBSS_ADHOC); + break; + default: + WARN_ON(1); + break; + } + + memcpy(basic_req.basic.bssid, vif->bss_conf.bssid, ETH_ALEN); + basic_req.basic.bmc_tx_wlan_idx = cpu_to_le16(mvif->sta.wcid.idx); + basic_req.basic.sta_idx = cpu_to_le16(mvif->sta.wcid.idx); + basic_req.basic.conn_state = !enable; + + err = mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD_BSS_INFO_UPDATE, + &basic_req, sizeof(basic_req), true); + if (err < 0) + return err; + + if (vif->bss_conf.he_support) { + mt7921_mcu_uni_bss_he_tlv((struct tlv *)&he_req.he, vif, phy); + + err = mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD_BSS_INFO_UPDATE, + &he_req, sizeof(he_req), true); + if (err < 0) + return err; + } + + switch (chandef->width) { + case NL80211_CHAN_WIDTH_40: + rlm_req.rlm.bw = CMD_CBW_40MHZ; + break; + case NL80211_CHAN_WIDTH_80: + rlm_req.rlm.bw = CMD_CBW_80MHZ; + break; + case NL80211_CHAN_WIDTH_80P80: + rlm_req.rlm.bw = CMD_CBW_8080MHZ; + break; + case NL80211_CHAN_WIDTH_160: + rlm_req.rlm.bw = CMD_CBW_160MHZ; + break; + case NL80211_CHAN_WIDTH_5: + rlm_req.rlm.bw = CMD_CBW_5MHZ; + break; + case NL80211_CHAN_WIDTH_10: + rlm_req.rlm.bw = CMD_CBW_10MHZ; + break; + case NL80211_CHAN_WIDTH_20_NOHT: + case NL80211_CHAN_WIDTH_20: + default: + rlm_req.rlm.bw = CMD_CBW_20MHZ; + break; + } + + if (rlm_req.rlm.control_channel < rlm_req.rlm.center_chan) + rlm_req.rlm.sco = 1; /* SCA */ + else if (rlm_req.rlm.control_channel > rlm_req.rlm.center_chan) + rlm_req.rlm.sco = 3; /* SCB */ + + return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD_BSS_INFO_UPDATE, + &rlm_req, sizeof(rlm_req), true); +} + +static int +mt7921_mcu_add_sta_cmd(struct mt7921_dev *dev, struct ieee80211_vif *vif, + struct ieee80211_sta *sta, bool enable, int cmd) +{ + struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; + struct wtbl_req_hdr *wtbl_hdr; + struct mt7921_sta *msta; + struct tlv *sta_wtbl; + struct sk_buff *skb; + + msta = sta ? (struct mt7921_sta *)sta->drv_priv : &mvif->sta; + + skb = mt7921_mcu_alloc_sta_req(dev, mvif, msta, + MT7921_STA_UPDATE_MAX_SIZE); + if (IS_ERR(skb)) + return PTR_ERR(skb); + + mt7921_mcu_sta_basic_tlv(skb, vif, sta, enable); + if (enable && sta) + mt7921_mcu_sta_tlv(dev, skb, sta, vif); + + sta_wtbl = mt7921_mcu_add_tlv(skb, STA_REC_WTBL, sizeof(struct tlv)); + + wtbl_hdr = mt7921_mcu_alloc_wtbl_req(dev, msta, WTBL_RESET_AND_SET, + sta_wtbl, &skb); + if (enable) { + mt7921_mcu_wtbl_generic_tlv(skb, vif, sta, sta_wtbl, wtbl_hdr); + if (sta) + mt7921_mcu_wtbl_ht_tlv(skb, sta, sta_wtbl, wtbl_hdr); + } + + return mt76_mcu_skb_send_msg(&dev->mt76, skb, cmd, true); +} + +int +mt7921_mcu_uni_add_sta(struct mt7921_dev *dev, struct ieee80211_vif *vif, + struct ieee80211_sta *sta, bool enable) +{ + return mt7921_mcu_add_sta_cmd(dev, vif, sta, enable, + MCU_UNI_CMD_STA_REC_UPDATE); +} + +#define MT7921_SCAN_CHANNEL_TIME 60 +int mt7921_mcu_hw_scan(struct mt7921_phy *phy, struct ieee80211_vif *vif, + struct ieee80211_scan_request *scan_req) +{ + struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; + struct cfg80211_scan_request *sreq = &scan_req->req; + int n_ssids = 0, err, i, duration = MT7921_SCAN_CHANNEL_TIME; + int ext_channels_num = max_t(int, sreq->n_channels - 32, 0); + struct ieee80211_channel **scan_list = sreq->channels; + struct mt7921_dev *dev = phy->dev; + bool ext_phy = phy != &dev->phy; + struct mt7921_mcu_scan_channel *chan; + struct mt7921_hw_scan_req *req; + struct sk_buff *skb; + + skb = mt76_mcu_msg_alloc(&dev->mt76, NULL, sizeof(*req)); + if (!skb) + return -ENOMEM; + + set_bit(MT76_HW_SCANNING, &phy->mt76->state); + mvif->scan_seq_num = (mvif->scan_seq_num + 1) & 0x7f; + + req = (struct mt7921_hw_scan_req *)skb_put(skb, sizeof(*req)); + + req->seq_num = mvif->scan_seq_num | ext_phy << 7; + req->bss_idx = mvif->idx; + req->scan_type = sreq->n_ssids ? 1 : 0; + req->probe_req_num = sreq->n_ssids ? 2 : 0; + req->version = 1; + + for (i = 0; i < sreq->n_ssids; i++) { + if (!sreq->ssids[i].ssid_len) + continue; + + req->ssids[i].ssid_len = cpu_to_le32(sreq->ssids[i].ssid_len); + memcpy(req->ssids[i].ssid, sreq->ssids[i].ssid, + sreq->ssids[i].ssid_len); + n_ssids++; + } + req->ssid_type = n_ssids ? BIT(2) : BIT(0); + req->ssid_type_ext = n_ssids ? BIT(0) : 0; + req->ssids_num = n_ssids; + + /* increase channel time for passive scan */ + if (!sreq->n_ssids) + duration *= 2; + req->timeout_value = cpu_to_le16(sreq->n_channels * duration); + req->channel_min_dwell_time = cpu_to_le16(duration); + req->channel_dwell_time = cpu_to_le16(duration); + + req->channels_num = min_t(u8, sreq->n_channels, 32); + req->ext_channels_num = min_t(u8, ext_channels_num, 32); + for (i = 0; i < req->channels_num + req->ext_channels_num; i++) { + if (i >= 32) + chan = &req->ext_channels[i - 32]; + else + chan = &req->channels[i]; + + chan->band = scan_list[i]->band == NL80211_BAND_2GHZ ? 1 : 2; + chan->channel_num = scan_list[i]->hw_value; + } + req->channel_type = sreq->n_channels ? 4 : 0; + + if (sreq->ie_len > 0) { + memcpy(req->ies, sreq->ie, sreq->ie_len); + req->ies_len = cpu_to_le16(sreq->ie_len); + } + + memcpy(req->bssid, sreq->bssid, ETH_ALEN); + if (sreq->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) { + get_random_mask_addr(req->random_mac, sreq->mac_addr, + sreq->mac_addr_mask); + req->scan_func = 1; + } + + err = mt76_mcu_skb_send_msg(&dev->mt76, skb, MCU_CMD_START_HW_SCAN, + false); + if (err < 0) + clear_bit(MT76_HW_SCANNING, &phy->mt76->state); + + return err; +} + +int mt7921_mcu_cancel_hw_scan(struct mt7921_phy *phy, + struct ieee80211_vif *vif) +{ + struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; + struct mt7921_dev *dev = phy->dev; + struct { + u8 seq_num; + u8 is_ext_channel; + u8 rsv[2]; + } __packed req = { + .seq_num = mvif->scan_seq_num, + }; + + if (test_and_clear_bit(MT76_HW_SCANNING, &phy->mt76->state)) { + struct cfg80211_scan_info info = { + .aborted = true, + }; + + ieee80211_scan_completed(phy->mt76->hw, &info); + } + + return mt76_mcu_send_msg(&dev->mt76, MCU_CMD_CANCEL_HW_SCAN, &req, + sizeof(req), false); +} diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.h b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.h new file mode 100644 index 000000000000..a363c96b9d7f --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.h @@ -0,0 +1,991 @@ +/* SPDX-License-Identifier: ISC */ +/* Copyright (C) 2020 MediaTek Inc. */ + +#ifndef __MT7921_MCU_H +#define __MT7921_MCU_H + +struct mt7921_mcu_txd { + __le32 txd[8]; + + __le16 len; + __le16 pq_id; + + u8 cid; + u8 pkt_type; + u8 set_query; /* FW don't care */ + u8 seq; + + u8 uc_d2b0_rev; + u8 ext_cid; + u8 s2d_index; + u8 ext_cid_ack; + + u32 reserved[5]; +} __packed __aligned(4); + +/** + * struct mt7921_uni_txd - mcu command descriptor for firmware v3 + * @txd: hardware descriptor + * @len: total length not including txd + * @cid: command identifier + * @pkt_type: must be 0xa0 (cmd packet by long format) + * @frag_n: fragment number + * @seq: sequence number + * @checksum: 0 mean there is no checksum + * @s2d_index: index for command source and destination + * Definition | value | note + * CMD_S2D_IDX_H2N | 0x00 | command from HOST to WM + * CMD_S2D_IDX_C2N | 0x01 | command from WA to WM + * CMD_S2D_IDX_H2C | 0x02 | command from HOST to WA + * CMD_S2D_IDX_H2N_AND_H2C | 0x03 | command from HOST to WA and WM + * + * @option: command option + * BIT[0]: UNI_CMD_OPT_BIT_ACK + * set to 1 to request a fw reply + * if UNI_CMD_OPT_BIT_0_ACK is set and UNI_CMD_OPT_BIT_2_SET_QUERY + * is set, mcu firmware will send response event EID = 0x01 + * (UNI_EVENT_ID_CMD_RESULT) to the host. + * BIT[1]: UNI_CMD_OPT_BIT_UNI_CMD + * 0: original command + * 1: unified command + * BIT[2]: UNI_CMD_OPT_BIT_SET_QUERY + * 0: QUERY command + * 1: SET command + */ +struct mt7921_uni_txd { + __le32 txd[8]; + + /* DW1 */ + __le16 len; + __le16 cid; + + /* DW2 */ + u8 reserved; + u8 pkt_type; + u8 frag_n; + u8 seq; + + /* DW3 */ + __le16 checksum; + u8 s2d_index; + u8 option; + + /* DW4 */ + u8 reserved2[4]; +} __packed __aligned(4); + +/* event table */ +enum { + MCU_EVENT_TARGET_ADDRESS_LEN = 0x01, + MCU_EVENT_FW_START = 0x01, + MCU_EVENT_GENERIC = 0x01, + MCU_EVENT_ACCESS_REG = 0x02, + MCU_EVENT_MT_PATCH_SEM = 0x04, + MCU_EVENT_REG_ACCESS = 0x05, + MCU_EVENT_SCAN_DONE = 0x0d, + MCU_EVENT_ROC = 0x10, + MCU_EVENT_BSS_ABSENCE = 0x11, + MCU_EVENT_BSS_BEACON_LOSS = 0x13, + MCU_EVENT_CH_PRIVILEGE = 0x18, + MCU_EVENT_SCHED_SCAN_DONE = 0x23, + MCU_EVENT_DBG_MSG = 0x27, + MCU_EVENT_EXT = 0xed, + MCU_EVENT_RESTART_DL = 0xef, +}; + +/* ext event table */ +enum { + MCU_EXT_EVENT_RATE_REPORT = 0x87, +}; + +struct mt7921_mcu_rxd { + __le32 rxd[6]; + + __le16 len; + __le16 pkt_type_id; + + u8 eid; + u8 seq; + __le16 __rsv; + + u8 ext_eid; + u8 __rsv1[2]; + u8 s2d_index; +}; + +struct mt7921_mcu_eeprom_info { + __le32 addr; + __le32 valid; + u8 data[16]; +} __packed; + +struct mt7921_mcu_ra_info { + struct mt7921_mcu_rxd rxd; + + __le32 event_id; + __le16 wlan_idx; + __le16 ru_idx; + __le16 direction; + __le16 dump_group; + + __le32 suggest_rate; + __le32 min_rate; /* for dynamic sounding */ + __le32 max_rate; /* for dynamic sounding */ + __le32 init_rate_down_rate; + + __le16 curr_rate; + __le16 init_rate_down_total; + __le16 init_rate_down_succ; + __le16 success; + __le16 attempts; + + __le16 prev_rate; + __le16 prob_up_rate; + u8 no_rate_up_cnt; + u8 ppdu_cnt; + u8 gi; + + u8 try_up_fail; + u8 try_up_total; + u8 suggest_wf; + u8 try_up_check; + u8 prob_up_period; + u8 prob_down_pending; +} __packed; + +struct mt7921_mcu_phy_rx_info { + u8 category; + u8 rate; + u8 mode; + u8 nsts; + u8 gi; + u8 coding; + u8 stbc; + u8 bw; +}; + +#define MT_RA_RATE_NSS GENMASK(8, 6) +#define MT_RA_RATE_MCS GENMASK(3, 0) +#define MT_RA_RATE_TX_MODE GENMASK(12, 9) +#define MT_RA_RATE_DCM_EN BIT(4) +#define MT_RA_RATE_BW GENMASK(14, 13) + +#define MCU_PQ_ID(p, q) (((p) << 15) | ((q) << 10)) +#define MCU_PKT_ID 0xa0 + +enum { + MCU_Q_QUERY, + MCU_Q_SET, + MCU_Q_RESERVED, + MCU_Q_NA +}; + +enum { + MCU_S2D_H2N, + MCU_S2D_C2N, + MCU_S2D_H2C, + MCU_S2D_H2CN +}; + +#define MCU_FW_PREFIX BIT(31) +#define MCU_UNI_PREFIX BIT(30) +#define MCU_CE_PREFIX BIT(29) +#define MCU_QUERY_PREFIX BIT(28) +#define MCU_CMD_MASK ~(MCU_FW_PREFIX | MCU_UNI_PREFIX | \ + MCU_CE_PREFIX | MCU_QUERY_PREFIX) + +#define MCU_QUERY_MASK BIT(16) + +enum { + MCU_CMD_TARGET_ADDRESS_LEN_REQ = MCU_FW_PREFIX | 0x01, + MCU_CMD_FW_START_REQ = MCU_FW_PREFIX | 0x02, + MCU_CMD_INIT_ACCESS_REG = 0x3, + MCU_CMD_NIC_POWER_CTRL = MCU_FW_PREFIX | 0x4, + MCU_CMD_PATCH_START_REQ = MCU_FW_PREFIX | 0x05, + MCU_CMD_PATCH_FINISH_REQ = MCU_FW_PREFIX | 0x07, + MCU_CMD_PATCH_SEM_CONTROL = MCU_FW_PREFIX | 0x10, + MCU_CMD_BT_SEM_CONTROL = MCU_FW_PREFIX | 0x11, + MCU_CMD_EXT_CID = 0xED, + MCU_CMD_FW_SCATTER = MCU_FW_PREFIX | 0xEE, + MCU_CMD_RESTART_DL_REQ = MCU_FW_PREFIX | 0xEF, +}; + +enum { + MCU_EXT_CMD_EFUSE_ACCESS = 0x01, + MCU_EXT_CMD_CHANNEL_SWITCH = 0x08, + MCU_EXT_CMD_FW_LOG_2_HOST = 0x13, + MCU_EXT_CMD_EFUSE_BUFFER_MODE = 0x21, + MCU_EXT_CMD_EDCA_UPDATE = 0x27, + MCU_EXT_CMD_THERMAL_CTRL = 0x2c, + MCU_EXT_CMD_WTBL_UPDATE = 0x32, + MCU_EXT_CMD_PROTECT_CTRL = 0x3e, + MCU_EXT_CMD_MAC_INIT_CTRL = 0x46, + MCU_EXT_CMD_RX_HDR_TRANS = 0x47, + MCU_EXT_CMD_SET_RX_PATH = 0x4e, + MCU_EXT_CMD_TX_POWER_FEATURE_CTRL = 0x58, + MCU_EXT_CMD_MWDS_SUPPORT = 0x80, + MCU_EXT_CMD_RATE_CTRL = 0x87, + MCU_EXT_CMD_FW_DBG_CTRL = 0x95, + MCU_EXT_CMD_PHY_STAT_INFO = 0xad, +}; + +enum { + MCU_UNI_CMD_DEV_INFO_UPDATE = MCU_UNI_PREFIX | 0x01, + MCU_UNI_CMD_BSS_INFO_UPDATE = MCU_UNI_PREFIX | 0x02, + MCU_UNI_CMD_STA_REC_UPDATE = MCU_UNI_PREFIX | 0x03, + MCU_UNI_CMD_SUSPEND = MCU_UNI_PREFIX | 0x05, + MCU_UNI_CMD_OFFLOAD = MCU_UNI_PREFIX | 0x06, + MCU_UNI_CMD_HIF_CTRL = MCU_UNI_PREFIX | 0x07, +}; + +struct mt7921_mcu_uni_event { + u8 cid; + u8 pad[3]; + __le32 status; /* 0: success, others: fail */ +} __packed; + +/* offload mcu commands */ +enum { + MCU_CMD_START_HW_SCAN = MCU_CE_PREFIX | 0x03, + MCU_CMD_SET_PS_PROFILE = MCU_CE_PREFIX | 0x05, + MCU_CMD_SET_CHAN_DOMAIN = MCU_CE_PREFIX | 0x0f, + MCU_CMD_SET_BSS_CONNECTED = MCU_CE_PREFIX | 0x16, + MCU_CMD_SET_BSS_ABORT = MCU_CE_PREFIX | 0x17, + MCU_CMD_CANCEL_HW_SCAN = MCU_CE_PREFIX | 0x1b, + MCU_CMD_SCHED_SCAN_ENABLE = MCU_CE_PREFIX | 0x61, + MCU_CMD_SCHED_SCAN_REQ = MCU_CE_PREFIX | 0x62, + MCU_CMD_REG_WRITE = MCU_CE_PREFIX | 0xc0, + MCU_CMD_REG_READ = MCU_CE_PREFIX | MCU_QUERY_MASK | 0xc0, +}; + +#define MCU_CMD_ACK BIT(0) +#define MCU_CMD_UNI BIT(1) +#define MCU_CMD_QUERY BIT(2) + +#define MCU_CMD_UNI_EXT_ACK (MCU_CMD_ACK | MCU_CMD_UNI | MCU_CMD_QUERY) + +enum { + UNI_BSS_INFO_BASIC = 0, + UNI_BSS_INFO_RLM = 2, + UNI_BSS_INFO_HE_BASIC = 5, + UNI_BSS_INFO_BCN_CONTENT = 7, + UNI_BSS_INFO_QBSS = 15, + UNI_BSS_INFO_UAPSD = 19, +}; + +enum { + UNI_SUSPEND_MODE_SETTING, + UNI_SUSPEND_WOW_CTRL, + UNI_SUSPEND_WOW_GPIO_PARAM, + UNI_SUSPEND_WOW_WAKEUP_PORT, + UNI_SUSPEND_WOW_PATTERN, +}; + +enum { + UNI_OFFLOAD_OFFLOAD_ARP, + UNI_OFFLOAD_OFFLOAD_ND, + UNI_OFFLOAD_OFFLOAD_GTK_REKEY, + UNI_OFFLOAD_OFFLOAD_BMC_RPY_DETECT, +}; + +enum { + PATCH_SEM_RELEASE, + PATCH_SEM_GET +}; + +enum { + PATCH_NOT_DL_SEM_FAIL, + PATCH_IS_DL, + PATCH_NOT_DL_SEM_SUCCESS, + PATCH_REL_SEM_SUCCESS +}; + +enum { + FW_STATE_INITIAL, + FW_STATE_FW_DOWNLOAD, + FW_STATE_NORMAL_OPERATION, + FW_STATE_NORMAL_TRX, + FW_STATE_WACPU_RDY = 7 +}; + +enum { + EE_MODE_EFUSE, + EE_MODE_BUFFER, +}; + +enum { + EE_FORMAT_BIN, + EE_FORMAT_WHOLE, + EE_FORMAT_MULTIPLE, +}; + +enum { + MCU_PHY_STATE_TX_RATE, + MCU_PHY_STATE_RX_RATE, + MCU_PHY_STATE_RSSI, + MCU_PHY_STATE_CONTENTION_RX_RATE, + MCU_PHY_STATE_OFDMLQ_CNINFO, +}; + +#define STA_TYPE_STA BIT(0) +#define STA_TYPE_AP BIT(1) +#define STA_TYPE_ADHOC BIT(2) +#define STA_TYPE_WDS BIT(4) +#define STA_TYPE_BC BIT(5) + +#define NETWORK_INFRA BIT(16) +#define NETWORK_P2P BIT(17) +#define NETWORK_IBSS BIT(18) +#define NETWORK_WDS BIT(21) + +#define CONNECTION_INFRA_STA (STA_TYPE_STA | NETWORK_INFRA) +#define CONNECTION_INFRA_AP (STA_TYPE_AP | NETWORK_INFRA) +#define CONNECTION_P2P_GC (STA_TYPE_STA | NETWORK_P2P) +#define CONNECTION_P2P_GO (STA_TYPE_AP | NETWORK_P2P) +#define CONNECTION_IBSS_ADHOC (STA_TYPE_ADHOC | NETWORK_IBSS) +#define CONNECTION_WDS (STA_TYPE_WDS | NETWORK_WDS) +#define CONNECTION_INFRA_BC (STA_TYPE_BC | NETWORK_INFRA) + +#define CONN_STATE_DISCONNECT 0 +#define CONN_STATE_CONNECT 1 +#define CONN_STATE_PORT_SECURE 2 + +enum { + DEV_INFO_ACTIVE, + DEV_INFO_MAX_NUM +}; + +enum { + CMD_CBW_20MHZ = IEEE80211_STA_RX_BW_20, + CMD_CBW_40MHZ = IEEE80211_STA_RX_BW_40, + CMD_CBW_80MHZ = IEEE80211_STA_RX_BW_80, + CMD_CBW_160MHZ = IEEE80211_STA_RX_BW_160, + CMD_CBW_10MHZ, + CMD_CBW_5MHZ, + CMD_CBW_8080MHZ, + + CMD_HE_MCS_BW80 = 0, + CMD_HE_MCS_BW160, + CMD_HE_MCS_BW8080, + CMD_HE_MCS_BW_NUM +}; + +struct tlv { + __le16 tag; + __le16 len; +} __packed; + +struct bss_info_uni_he { + __le16 tag; + __le16 len; + __le16 he_rts_thres; + u8 he_pe_duration; + u8 su_disable; + __le16 max_nss_mcs[CMD_HE_MCS_BW_NUM]; + u8 rsv[2]; +} __packed; + +enum { + WTBL_RESET_AND_SET = 1, + WTBL_SET, + WTBL_QUERY, + WTBL_RESET_ALL +}; + +struct wtbl_req_hdr { + u8 wlan_idx_lo; + u8 operation; + __le16 tlv_num; + u8 wlan_idx_hi; + u8 rsv[3]; +} __packed; + +struct wtbl_generic { + __le16 tag; + __le16 len; + u8 peer_addr[ETH_ALEN]; + u8 muar_idx; + u8 skip_tx; + u8 cf_ack; + u8 qos; + u8 mesh; + u8 adm; + __le16 partial_aid; + u8 baf_en; + u8 aad_om; +} __packed; + +struct wtbl_rx { + __le16 tag; + __le16 len; + u8 rcid; + u8 rca1; + u8 rca2; + u8 rv; + u8 rsv[4]; +} __packed; + +struct wtbl_ht { + __le16 tag; + __le16 len; + u8 ht; + u8 ldpc; + u8 af; + u8 mm; + u8 rsv[4]; +} __packed; + +struct wtbl_vht { + __le16 tag; + __le16 len; + u8 ldpc; + u8 dyn_bw; + u8 vht; + u8 txop_ps; + u8 rsv[4]; +} __packed; + +struct wtbl_hdr_trans { + __le16 tag; + __le16 len; + u8 to_ds; + u8 from_ds; + u8 no_rx_trans; + u8 _rsv; +}; + +enum { + MT_BA_TYPE_INVALID, + MT_BA_TYPE_ORIGINATOR, + MT_BA_TYPE_RECIPIENT +}; + +enum { + RST_BA_MAC_TID_MATCH, + RST_BA_MAC_MATCH, + RST_BA_NO_MATCH +}; + +struct wtbl_ba { + __le16 tag; + __le16 len; + /* common */ + u8 tid; + u8 ba_type; + u8 rsv0[2]; + /* originator only */ + __le16 sn; + u8 ba_en; + u8 ba_winsize_idx; + __le16 ba_winsize; + /* recipient only */ + u8 peer_addr[ETH_ALEN]; + u8 rst_ba_tid; + u8 rst_ba_sel; + u8 rst_ba_sb; + u8 band_idx; + u8 rsv1[4]; +} __packed; + +struct wtbl_smps { + __le16 tag; + __le16 len; + u8 smps; + u8 rsv[3]; +} __packed; + +enum { + WTBL_GENERIC, + WTBL_RX, + WTBL_HT, + WTBL_VHT, + WTBL_PEER_PS, /* not used */ + WTBL_TX_PS, + WTBL_HDR_TRANS, + WTBL_SEC_KEY, + WTBL_BA, + WTBL_RDG, /* obsoleted */ + WTBL_PROTECT, /* not used */ + WTBL_CLEAR, /* not used */ + WTBL_BF, + WTBL_SMPS, + WTBL_RAW_DATA, /* debug only */ + WTBL_PN, + WTBL_SPE, + WTBL_MAX_NUM +}; + +struct sta_ntlv_hdr { + u8 rsv[2]; + __le16 tlv_num; +} __packed; + +struct sta_req_hdr { + u8 bss_idx; + u8 wlan_idx_lo; + __le16 tlv_num; + u8 is_tlv_append; + u8 muar_idx; + u8 wlan_idx_hi; + u8 rsv; +} __packed; + +struct sta_rec_basic { + __le16 tag; + __le16 len; + __le32 conn_type; + u8 conn_state; + u8 qos; + __le16 aid; + u8 peer_addr[ETH_ALEN]; + __le16 extra_info; +} __packed; + +struct sta_rec_ht { + __le16 tag; + __le16 len; + __le16 ht_cap; + u16 rsv; +} __packed; + +struct sta_rec_vht { + __le16 tag; + __le16 len; + __le32 vht_cap; + __le16 vht_rx_mcs_map; + __le16 vht_tx_mcs_map; + u8 rts_bw_sig; + u8 rsv[3]; +} __packed; + +struct sta_rec_uapsd { + __le16 tag; + __le16 len; + u8 dac_map; + u8 tac_map; + u8 max_sp; + u8 rsv0; + __le16 listen_interval; + u8 rsv1[2]; +} __packed; + +struct sta_rec_he { + __le16 tag; + __le16 len; + + __le32 he_cap; + + u8 t_frame_dur; + u8 max_ampdu_exp; + u8 bw_set; + u8 device_class; + u8 dcm_tx_mode; + u8 dcm_tx_max_nss; + u8 dcm_rx_mode; + u8 dcm_rx_max_nss; + u8 dcm_max_ru; + u8 punc_pream_rx; + u8 pkt_ext; + u8 rsv1; + + __le16 max_nss_mcs[CMD_HE_MCS_BW_NUM]; + + u8 rsv2[2]; +} __packed; + +struct sta_rec_ba { + __le16 tag; + __le16 len; + u8 tid; + u8 ba_type; + u8 amsdu; + u8 ba_en; + __le16 ssn; + __le16 winsize; +} __packed; + +struct sta_rec_amsdu { + __le16 tag; + __le16 len; + u8 max_amsdu_num; + u8 max_mpdu_size; + u8 amsdu_en; + u8 rsv; +} __packed; + +struct sec_key { + u8 cipher_id; + u8 cipher_len; + u8 key_id; + u8 key_len; + u8 key[32]; +} __packed; + +struct sta_rec_sec { + __le16 tag; + __le16 len; + u8 add; + u8 n_cipher; + u8 rsv[2]; + + struct sec_key key[2]; +} __packed; + +struct sta_rec_state { + __le16 tag; + __le16 len; + __le32 flags; + u8 state; + u8 vht_opmode; + u8 action; + u8 rsv[1]; +} __packed; + +#define HE_MAC_CAP_BYTE_NUM 6 +#define HE_PHY_CAP_BYTE_NUM 11 +#define HT_MCS_MASK_NUM 10 + +struct ht_vht_ba_size { + u8 tx_ba; + u8 rx_ba; + u8 rsv[2]; +} __packed; + +struct he_ba_size { + __le16 tx_ba; + __le16 rx_ba; +} __packed; + +union BA_SIZE { + struct ht_vht_ba_size ht_vht; + struct he_ba_size he; +}; + +struct sta_rec_phy { + __le16 tag; + __le16 len; + __le16 legacy; + __le16 he_6g_cap; + __le32 tx_max_amsdu_len; + __le16 basic_rate; + u8 phy_type; + u8 ampdu; + u8 tx_ampdu; + u8 rx_ampdu; + u8 tx_amsdu_in_ampdu; + u8 rx_amsdu_in_ampdu; + u8 rts_policy; + u8 rcpi; + u8 uapsd_ac; + u8 uapsd_sp; + u8 he_mac_cap[HE_MAC_CAP_BYTE_NUM]; + u8 he_phy_cap[HE_PHY_CAP_BYTE_NUM]; + u8 rx_mcs_bitmask[HT_MCS_MASK_NUM]; + u8 rsv[1]; + union BA_SIZE ba_size; +} __packed; + +enum { + STA_REC_BASIC, + STA_REC_RA, + STA_REC_RA_CMM_INFO, + STA_REC_RA_UPDATE, + STA_REC_BF, + STA_REC_AMSDU, + STA_REC_BA, + STA_REC_STATE, + STA_REC_TX_PROC, /* for hdr trans and CSO in CR4 */ + STA_REC_HT, + STA_REC_VHT, + STA_REC_APPS, + STA_REC_KEY, + STA_REC_WTBL, + STA_REC_HE, + STA_REC_HW_AMSDU, + STA_REC_WTBL_AADOM, + STA_REC_KEY_V2, + STA_REC_MURU, + STA_REC_MUEDCA, + STA_REC_BFEE, + STA_REC_PHY = 0x15, + STA_REC_MAX_NUM +}; + +enum mt7921_cipher_type { + MT_CIPHER_NONE, + MT_CIPHER_WEP40, + MT_CIPHER_WEP104, + MT_CIPHER_WEP128, + MT_CIPHER_TKIP, + MT_CIPHER_AES_CCMP, + MT_CIPHER_CCMP_256, + MT_CIPHER_GCMP, + MT_CIPHER_GCMP_256, + MT_CIPHER_WAPI, + MT_CIPHER_BIP_CMAC_128, +}; + +enum { + CH_SWITCH_NORMAL = 0, + CH_SWITCH_SCAN = 3, + CH_SWITCH_MCC = 4, + CH_SWITCH_DFS = 5, + CH_SWITCH_BACKGROUND_SCAN_START = 6, + CH_SWITCH_BACKGROUND_SCAN_RUNNING = 7, + CH_SWITCH_BACKGROUND_SCAN_STOP = 8, + CH_SWITCH_SCAN_BYPASS_DPD = 9 +}; + +enum { + THERMAL_SENSOR_TEMP_QUERY, + THERMAL_SENSOR_MANUAL_CTRL, + THERMAL_SENSOR_INFO_QUERY, + THERMAL_SENSOR_TASK_CTRL, +}; + +enum { + MT_EBF = BIT(0), /* explicit beamforming */ + MT_IBF = BIT(1) /* implicit beamforming */ +}; + +#define MT7921_WTBL_UPDATE_MAX_SIZE (sizeof(struct wtbl_req_hdr) + \ + sizeof(struct wtbl_generic) + \ + sizeof(struct wtbl_rx) + \ + sizeof(struct wtbl_ht) + \ + sizeof(struct wtbl_vht) + \ + sizeof(struct wtbl_hdr_trans) +\ + sizeof(struct wtbl_ba) + \ + sizeof(struct wtbl_smps)) + +#define MT7921_STA_UPDATE_MAX_SIZE (sizeof(struct sta_req_hdr) + \ + sizeof(struct sta_rec_basic) + \ + sizeof(struct sta_rec_ht) + \ + sizeof(struct sta_rec_he) + \ + sizeof(struct sta_rec_ba) + \ + sizeof(struct sta_rec_vht) + \ + sizeof(struct sta_rec_uapsd) + \ + sizeof(struct sta_rec_amsdu) + \ + sizeof(struct tlv) + \ + MT7921_WTBL_UPDATE_MAX_SIZE) + +#define MT7921_WTBL_UPDATE_BA_SIZE (sizeof(struct wtbl_req_hdr) + \ + sizeof(struct wtbl_ba)) + +#define PHY_MODE_A BIT(0) +#define PHY_MODE_B BIT(1) +#define PHY_MODE_G BIT(2) +#define PHY_MODE_GN BIT(3) +#define PHY_MODE_AN BIT(4) +#define PHY_MODE_AC BIT(5) +#define PHY_MODE_AX_24G BIT(6) +#define PHY_MODE_AX_5G BIT(7) +#define PHY_MODE_AX_6G BIT(8) + +#define MODE_CCK BIT(0) +#define MODE_OFDM BIT(1) +#define MODE_HT BIT(2) +#define MODE_VHT BIT(3) +#define MODE_HE BIT(4) + +#define STA_CAP_WMM BIT(0) +#define STA_CAP_SGI_20 BIT(4) +#define STA_CAP_SGI_40 BIT(5) +#define STA_CAP_TX_STBC BIT(6) +#define STA_CAP_RX_STBC BIT(7) +#define STA_CAP_VHT_SGI_80 BIT(16) +#define STA_CAP_VHT_SGI_160 BIT(17) +#define STA_CAP_VHT_TX_STBC BIT(18) +#define STA_CAP_VHT_RX_STBC BIT(19) +#define STA_CAP_VHT_LDPC BIT(23) +#define STA_CAP_LDPC BIT(24) +#define STA_CAP_HT BIT(26) +#define STA_CAP_VHT BIT(27) +#define STA_CAP_HE BIT(28) + +/* HE MAC */ +#define STA_REC_HE_CAP_HTC BIT(0) +#define STA_REC_HE_CAP_BQR BIT(1) +#define STA_REC_HE_CAP_BSR BIT(2) +#define STA_REC_HE_CAP_OM BIT(3) +#define STA_REC_HE_CAP_AMSDU_IN_AMPDU BIT(4) +/* HE PHY */ +#define STA_REC_HE_CAP_DUAL_BAND BIT(5) +#define STA_REC_HE_CAP_LDPC BIT(6) +#define STA_REC_HE_CAP_TRIG_CQI_FK BIT(7) +#define STA_REC_HE_CAP_PARTIAL_BW_EXT_RANGE BIT(8) +/* STBC */ +#define STA_REC_HE_CAP_LE_EQ_80M_TX_STBC BIT(9) +#define STA_REC_HE_CAP_LE_EQ_80M_RX_STBC BIT(10) +#define STA_REC_HE_CAP_GT_80M_TX_STBC BIT(11) +#define STA_REC_HE_CAP_GT_80M_RX_STBC BIT(12) +/* GI */ +#define STA_REC_HE_CAP_SU_PPDU_1LTF_8US_GI BIT(13) +#define STA_REC_HE_CAP_SU_MU_PPDU_4LTF_8US_GI BIT(14) +#define STA_REC_HE_CAP_ER_SU_PPDU_1LTF_8US_GI BIT(15) +#define STA_REC_HE_CAP_ER_SU_PPDU_4LTF_8US_GI BIT(16) +#define STA_REC_HE_CAP_NDP_4LTF_3DOT2MS_GI BIT(17) +/* 242 TONE */ +#define STA_REC_HE_CAP_BW20_RU242_SUPPORT BIT(18) +#define STA_REC_HE_CAP_TX_1024QAM_UNDER_RU242 BIT(19) +#define STA_REC_HE_CAP_RX_1024QAM_UNDER_RU242 BIT(20) + +struct mt7921_mcu_reg_event { + __le32 reg; + __le32 val; +} __packed; + +struct mt7921_bss_basic_tlv { + __le16 tag; + __le16 len; + u8 active; + u8 omac_idx; + u8 hw_bss_idx; + u8 band_idx; + __le32 conn_type; + u8 conn_state; + u8 wmm_idx; + u8 bssid[ETH_ALEN]; + __le16 bmc_tx_wlan_idx; + __le16 bcn_interval; + u8 dtim_period; + u8 phymode; /* bit(0): A + * bit(1): B + * bit(2): G + * bit(3): GN + * bit(4): AN + * bit(5): AC + */ + __le16 sta_idx; + u8 nonht_basic_phy; + u8 pad[3]; +} __packed; + +struct mt7921_bss_qos_tlv { + __le16 tag; + __le16 len; + u8 qos; + u8 pad[3]; +} __packed; + +struct mt7921_mcu_scan_ssid { + __le32 ssid_len; + u8 ssid[IEEE80211_MAX_SSID_LEN]; +} __packed; + +struct mt7921_mcu_scan_channel { + u8 band; /* 1: 2.4GHz + * 2: 5.0GHz + * Others: Reserved + */ + u8 channel_num; +} __packed; + +struct mt7921_mcu_scan_match { + __le32 rssi_th; + u8 ssid[IEEE80211_MAX_SSID_LEN]; + u8 ssid_len; + u8 rsv[3]; +} __packed; + +struct mt7921_hw_scan_req { + u8 seq_num; + u8 bss_idx; + u8 scan_type; /* 0: PASSIVE SCAN + * 1: ACTIVE SCAN + */ + u8 ssid_type; /* BIT(0) wildcard SSID + * BIT(1) P2P wildcard SSID + * BIT(2) specified SSID + wildcard SSID + * BIT(2) + ssid_type_ext BIT(0) specified SSID only + */ + u8 ssids_num; + u8 probe_req_num; /* Number of probe request for each SSID */ + u8 scan_func; /* BIT(0) Enable random MAC scan + * BIT(1) Disable DBDC scan type 1~3. + * BIT(2) Use DBDC scan type 3 (dedicated one RF to scan). + */ + u8 version; /* 0: Not support fields after ies. + * 1: Support fields after ies. + */ + struct mt7921_mcu_scan_ssid ssids[4]; + __le16 probe_delay_time; + __le16 channel_dwell_time; /* channel Dwell interval */ + __le16 timeout_value; + u8 channel_type; /* 0: Full channels + * 1: Only 2.4GHz channels + * 2: Only 5GHz channels + * 3: P2P social channel only (channel #1, #6 and #11) + * 4: Specified channels + * Others: Reserved + */ + u8 channels_num; /* valid when channel_type is 4 */ + /* valid when channels_num is set */ + struct mt7921_mcu_scan_channel channels[32]; + __le16 ies_len; + u8 ies[MT7921_SCAN_IE_LEN]; + /* following fields are valid if version > 0 */ + u8 ext_channels_num; + u8 ext_ssids_num; + __le16 channel_min_dwell_time; + struct mt7921_mcu_scan_channel ext_channels[32]; + struct mt7921_mcu_scan_ssid ext_ssids[6]; + u8 bssid[ETH_ALEN]; + u8 random_mac[ETH_ALEN]; /* valid when BIT(1) in scan_func is set. */ + u8 pad[63]; + u8 ssid_type_ext; +} __packed; + +#define SCAN_DONE_EVENT_MAX_CHANNEL_NUM 64 +struct mt7921_hw_scan_done { + u8 seq_num; + u8 sparse_channel_num; + struct mt7921_mcu_scan_channel sparse_channel; + u8 complete_channel_num; + u8 current_state; + u8 version; + u8 pad; + __le32 beacon_scan_num; + u8 pno_enabled; + u8 pad2[3]; + u8 sparse_channel_valid_num; + u8 pad3[3]; + u8 channel_num[SCAN_DONE_EVENT_MAX_CHANNEL_NUM]; + /* idle format for channel_idle_time + * 0: first bytes: idle time(ms) 2nd byte: dwell time(ms) + * 1: first bytes: idle time(8ms) 2nd byte: dwell time(8ms) + * 2: dwell time (16us) + */ + __le16 channel_idle_time[SCAN_DONE_EVENT_MAX_CHANNEL_NUM]; + /* beacon and probe response count */ + u8 beacon_probe_num[SCAN_DONE_EVENT_MAX_CHANNEL_NUM]; + u8 mdrdy_count[SCAN_DONE_EVENT_MAX_CHANNEL_NUM]; + __le32 beacon_2g_num; + __le32 beacon_5g_num; +} __packed; + +struct mt7921_mcu_bss_event { + u8 bss_idx; + u8 is_absent; + u8 free_quota; + u8 pad; +} __packed; + +enum { + PHY_TYPE_HR_DSSS_INDEX = 0, + PHY_TYPE_ERP_INDEX, + PHY_TYPE_ERP_P2P_INDEX, + PHY_TYPE_OFDM_INDEX, + PHY_TYPE_HT_INDEX, + PHY_TYPE_VHT_INDEX, + PHY_TYPE_HE_INDEX, + PHY_TYPE_INDEX_NUM +}; + +#define PHY_TYPE_BIT_HR_DSSS BIT(PHY_TYPE_HR_DSSS_INDEX) +#define PHY_TYPE_BIT_ERP BIT(PHY_TYPE_ERP_INDEX) +#define PHY_TYPE_BIT_OFDM BIT(PHY_TYPE_OFDM_INDEX) +#define PHY_TYPE_BIT_HT BIT(PHY_TYPE_HT_INDEX) +#define PHY_TYPE_BIT_VHT BIT(PHY_TYPE_VHT_INDEX) +#define PHY_TYPE_BIT_HE BIT(PHY_TYPE_HE_INDEX) + +#endif diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h new file mode 100644 index 000000000000..406c141991f8 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h @@ -0,0 +1,379 @@ +/* SPDX-License-Identifier: ISC */ +/* Copyright (C) 2020 MediaTek Inc. */ + +#ifndef __MT7921_H +#define __MT7921_H + +#include +#include +#include "../mt76.h" +#include "regs.h" + +#define MT7921_MAX_INTERFACES 4 +#define MT7921_MAX_WMM_SETS 4 +#define MT7921_WTBL_SIZE 20 +#define MT7921_WTBL_RESERVED (MT7921_WTBL_SIZE - 1) +#define MT7921_WTBL_STA (MT7921_WTBL_RESERVED - \ + MT7921_MAX_INTERFACES) + +#define MT7921_HW_SCAN_TIMEOUT (HZ / 10) +#define MT7921_WATCHDOG_TIME (HZ / 10) +#define MT7921_RESET_TIMEOUT (30 * HZ) + +#define MT7921_TX_RING_SIZE 2048 +#define MT7921_TX_MCU_RING_SIZE 256 +#define MT7921_TX_FWDL_RING_SIZE 128 + +#define MT7921_RX_RING_SIZE 1536 +#define MT7921_RX_MCU_RING_SIZE 512 + +#define MT7921_FIRMWARE_WM "mediatek/WIFI_RAM_CODE_MT7961_1.bin" +#define MT7921_ROM_PATCH "mediatek/WIFI_MT7961_patch_mcu_1_2_hdr.bin" + +#define MT7921_EEPROM_SIZE 3584 +#define MT7921_TOKEN_SIZE 8192 +#define MT7921_TOKEN_FREE_THR 64 + +#define MT7921_CFEND_RATE_DEFAULT 0x49 /* OFDM 24M */ +#define MT7921_CFEND_RATE_11B 0x03 /* 11B LP, 11M */ +#define MT7921_5G_RATE_DEFAULT 0x4b /* OFDM 6M */ +#define MT7921_2G_RATE_DEFAULT 0x0 /* CCK 1M */ + +#define MT7921_SKU_RATE_NUM 161 +#define MT7921_SKU_MAX_DELTA_IDX MT7921_SKU_RATE_NUM +#define MT7921_SKU_TABLE_SIZE (MT7921_SKU_RATE_NUM + 1) + +#define MT7921_SCAN_IE_LEN 600 + +struct mt7921_vif; +struct mt7921_sta; + +enum mt7921_txq_id { + MT7921_TXQ_BAND0, + MT7921_TXQ_BAND1, + MT7921_TXQ_FWDL = 16, + MT7921_TXQ_MCU_WM, +}; + +enum mt7921_rxq_id { + MT7921_RXQ_BAND0 = 0, + MT7921_RXQ_BAND1, + MT7921_RXQ_MCU_WM = 0, +}; + +struct mt7921_sta_stats { + struct rate_info prob_rate; + struct rate_info tx_rate; + + unsigned long per; + unsigned long changed; + unsigned long jiffies; +}; + +struct mt7921_sta { + struct mt76_wcid wcid; /* must be first */ + + struct mt7921_vif *vif; + + struct list_head poll_list; + u32 airtime_ac[8]; + + struct mt7921_sta_stats stats; + + unsigned long ampdu_state; +}; + +struct mt7921_vif { + u16 idx; + u8 omac_idx; + u8 band_idx; + u8 wmm_idx; + u8 scan_seq_num; + + struct mt7921_sta sta; + struct mt7921_phy *phy; + + struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS]; +}; + +struct mib_stats { + u16 ack_fail_cnt; + u16 fcs_err_cnt; + u16 rts_cnt; + u16 rts_retries_cnt; + u16 ba_miss_cnt; +}; + +struct mt7921_phy { + struct mt76_phy *mt76; + struct mt7921_dev *dev; + + struct ieee80211_sband_iftype_data iftype[2][NUM_NL80211_IFTYPES]; + + struct ieee80211_vif *monitor_vif; + + u32 rxfilter; + u64 omac_mask; + + u16 noise; + u16 chainmask; + + s16 coverage_class; + u8 slottime; + + __le32 rx_ampdu_ts; + u32 ampdu_ref; + + struct mib_stats mib; + + struct delayed_work mac_work; + u8 mac_work_count; + u8 sta_work_count; + + struct sk_buff_head scan_event_list; + struct delayed_work scan_work; +}; + +struct mt7921_dev { + union { /* must be first */ + struct mt76_dev mt76; + struct mt76_phy mphy; + }; + + const struct mt76_bus_ops *bus_ops; + struct mt7921_phy phy; + struct tasklet_struct irq_tasklet; + + u16 chainmask; + + struct work_struct init_work; + struct work_struct reset_work; + wait_queue_head_t reset_wait; + u32 reset_state; + + struct list_head sta_poll_list; + spinlock_t sta_poll_lock; + + u32 hw_pattern; + + spinlock_t token_lock; + int token_count; + struct idr token; + + s8 **rate_power; /* TODO: use mt76_rate_power */ + + u8 fw_debug; +}; + +enum { + HW_BSSID_0 = 0x0, + HW_BSSID_1, + HW_BSSID_2, + HW_BSSID_3, + HW_BSSID_MAX = HW_BSSID_3, + EXT_BSSID_START = 0x10, + EXT_BSSID_1, + EXT_BSSID_15 = 0x1f, + EXT_BSSID_MAX = EXT_BSSID_15, + REPEATER_BSSID_START = 0x20, + REPEATER_BSSID_MAX = 0x3f, +}; + +enum { + MT_LMAC_AC00, + MT_LMAC_AC01, + MT_LMAC_AC02, + MT_LMAC_AC03, + MT_LMAC_ALTX0 = 0x10, + MT_LMAC_BMC0, + MT_LMAC_BCN0, +}; + +enum { + MT_RX_SEL0, + MT_RX_SEL1, +}; + +enum { + RATE_CTRL_RU_INFO, + RATE_CTRL_FIXED_RATE_INFO, + RATE_CTRL_DUMP_INFO, + RATE_CTRL_MU_INFO, +}; + +static inline struct mt7921_phy * +mt7921_hw_phy(struct ieee80211_hw *hw) +{ + struct mt76_phy *phy = hw->priv; + + return phy->priv; +} + +static inline struct mt7921_dev * +mt7921_hw_dev(struct ieee80211_hw *hw) +{ + struct mt76_phy *phy = hw->priv; + + return container_of(phy->dev, struct mt7921_dev, mt76); +} + +static inline struct mt7921_phy * +mt7921_ext_phy(struct mt7921_dev *dev) +{ + struct mt76_phy *phy = dev->mt76.phy2; + + if (!phy) + return NULL; + + return phy->priv; +} + +static inline u8 mt7921_lmac_mapping(struct mt7921_dev *dev, u8 ac) +{ + /* LMAC uses the reverse order of mac80211 AC indexes */ + return 3 - ac; +} + +extern const struct ieee80211_ops mt7921_ops; +extern struct pci_driver mt7921_pci_driver; + +u32 mt7921_reg_map(struct mt7921_dev *dev, u32 addr); + +int mt7921_register_device(struct mt7921_dev *dev); +void mt7921_unregister_device(struct mt7921_dev *dev); +int mt7921_eeprom_init(struct mt7921_dev *dev); +void mt7921_eeprom_parse_band_config(struct mt7921_phy *phy); +int mt7921_eeprom_get_target_power(struct mt7921_dev *dev, + struct ieee80211_channel *chan, + u8 chain_idx); +void mt7921_eeprom_init_sku(struct mt7921_dev *dev); +int mt7921_dma_init(struct mt7921_dev *dev); +void mt7921_dma_prefetch(struct mt7921_dev *dev); +void mt7921_dma_cleanup(struct mt7921_dev *dev); +int mt7921_mcu_init(struct mt7921_dev *dev); +int mt7921_mcu_add_bss_info(struct mt7921_phy *phy, + struct ieee80211_vif *vif, int enable); +int mt7921_mcu_sta_update_hdr_trans(struct mt7921_dev *dev, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta); +int mt7921_mcu_add_key(struct mt7921_dev *dev, struct ieee80211_vif *vif, + struct mt7921_sta *msta, struct ieee80211_key_conf *key, + enum set_key_cmd cmd); +int mt7921_set_channel(struct mt7921_phy *phy); +int mt7921_mcu_set_chan_info(struct mt7921_phy *phy, int cmd); +int mt7921_mcu_set_tx(struct mt7921_dev *dev, struct ieee80211_vif *vif); +int mt7921_mcu_set_eeprom(struct mt7921_dev *dev); +int mt7921_mcu_get_eeprom(struct mt7921_dev *dev, u32 offset); +int mt7921_mcu_set_mac(struct mt7921_dev *dev, int band, bool enable, + bool hdr_trans); +int mt7921_mcu_set_rts_thresh(struct mt7921_phy *phy, u32 val); +int mt7921_mcu_set_sku_en(struct mt7921_phy *phy, bool enable); +int mt7921_mcu_set_sku(struct mt7921_phy *phy); +int mt7921_mcu_get_rx_rate(struct mt7921_phy *phy, struct ieee80211_vif *vif, + struct ieee80211_sta *sta, struct rate_info *rate); +int mt7921_mcu_fw_log_2_host(struct mt7921_dev *dev, u8 ctrl); +int mt7921_mcu_fw_dbg_ctrl(struct mt7921_dev *dev, u32 module, u8 level); +void mt7921_mcu_rx_event(struct mt7921_dev *dev, struct sk_buff *skb); +void mt7921_mcu_exit(struct mt7921_dev *dev); + +static inline bool is_mt7921(struct mt76_dev *dev) +{ + return mt76_chip(dev) == 0x7961; +} + +static inline void mt7921_irq_enable(struct mt7921_dev *dev, u32 mask) +{ + mt76_set_irq_mask(&dev->mt76, 0, 0, mask); + + tasklet_schedule(&dev->irq_tasklet); +} + +static inline u32 +mt7921_reg_map_l1(struct mt7921_dev *dev, u32 addr) +{ + u32 offset = FIELD_GET(MT_HIF_REMAP_L1_OFFSET, addr); + u32 base = FIELD_GET(MT_HIF_REMAP_L1_BASE, addr); + + mt76_rmw_field(dev, MT_HIF_REMAP_L1, MT_HIF_REMAP_L1_MASK, base); + /* use read to push write */ + mt76_rr(dev, MT_HIF_REMAP_L1); + + return MT_HIF_REMAP_BASE_L1 + offset; +} + +static inline u32 +mt7921_l1_rr(struct mt7921_dev *dev, u32 addr) +{ + return mt76_rr(dev, mt7921_reg_map_l1(dev, addr)); +} + +static inline void +mt7921_l1_wr(struct mt7921_dev *dev, u32 addr, u32 val) +{ + mt76_wr(dev, mt7921_reg_map_l1(dev, addr), val); +} + +static inline u32 +mt7921_l1_rmw(struct mt7921_dev *dev, u32 addr, u32 mask, u32 val) +{ + val |= mt7921_l1_rr(dev, addr) & ~mask; + mt7921_l1_wr(dev, addr, val); + + return val; +} + +#define mt7921_l1_set(dev, addr, val) mt7921_l1_rmw(dev, addr, 0, val) +#define mt7921_l1_clear(dev, addr, val) mt7921_l1_rmw(dev, addr, val, 0) + +bool mt7921_mac_wtbl_update(struct mt7921_dev *dev, int idx, u32 mask); +void mt7921_mac_reset_counters(struct mt7921_phy *phy); +void mt7921_mac_write_txwi(struct mt7921_dev *dev, __le32 *txwi, + struct sk_buff *skb, struct mt76_wcid *wcid, + struct ieee80211_key_conf *key, bool beacon); +void mt7921_mac_set_timing(struct mt7921_phy *phy); +int mt7921_mac_fill_rx(struct mt7921_dev *dev, struct sk_buff *skb); +void mt7921_mac_fill_rx_vector(struct mt7921_dev *dev, struct sk_buff *skb); +void mt7921_mac_tx_free(struct mt7921_dev *dev, struct sk_buff *skb); +int mt7921_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, + struct ieee80211_sta *sta); +void mt7921_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, + struct ieee80211_sta *sta); +void mt7921_mac_work(struct work_struct *work); +void mt7921_mac_reset_work(struct work_struct *work); +int mt7921_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr, + enum mt76_txq_id qid, struct mt76_wcid *wcid, + struct ieee80211_sta *sta, + struct mt76_tx_info *tx_info); +void mt7921_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue_entry *e); +int mt7921_init_tx_queues(struct mt7921_phy *phy, int idx, int n_desc); +void mt7921_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q, + struct sk_buff *skb); +void mt7921_sta_ps(struct mt76_dev *mdev, struct ieee80211_sta *sta, bool ps); +void mt7921_stats_work(struct work_struct *work); +void mt7921_txp_skb_unmap(struct mt76_dev *dev, + struct mt76_txwi_cache *txwi); +void mt7921_set_stream_he_caps(struct mt7921_phy *phy); +void mt7921_update_channel(struct mt76_dev *mdev); +int mt7921_init_debugfs(struct mt7921_dev *dev); +int +mt7921_mcu_uni_add_dev(struct mt7921_dev *dev, + struct ieee80211_vif *vif, bool enable); +int +mt7921_mcu_uni_add_bss(struct mt7921_phy *phy, struct ieee80211_vif *vif, + bool enable); + +int +mt7921_mcu_uni_add_sta(struct mt7921_dev *dev, struct ieee80211_vif *vif, + struct ieee80211_sta *sta, bool enable); +int mt7921_mcu_uni_tx_ba(struct mt7921_dev *dev, + struct ieee80211_ampdu_params *params, + bool enable); +int mt7921_mcu_uni_rx_ba(struct mt7921_dev *dev, + struct ieee80211_ampdu_params *params, + bool enable); +void mt7921_scan_work(struct work_struct *work); +int mt7921_mcu_hw_scan(struct mt7921_phy *phy, struct ieee80211_vif *vif, + struct ieee80211_scan_request *scan_req); +int mt7921_mcu_cancel_hw_scan(struct mt7921_phy *phy, + struct ieee80211_vif *vif); +#endif diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/pci.c b/drivers/net/wireless/mediatek/mt76/mt7921/pci.c new file mode 100644 index 000000000000..732a35feca12 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt7921/pci.c @@ -0,0 +1,209 @@ +// SPDX-License-Identifier: ISC +/* Copyright (C) 2020 MediaTek Inc. + * + */ + +#include +#include +#include + +#include "mt7921.h" +#include "mac.h" +#include "../trace.h" + +static const struct pci_device_id mt7921_pci_device_table[] = { + { PCI_DEVICE(0x14c3, 0x7961) }, + { }, +}; + +static void +mt7921_rx_poll_complete(struct mt76_dev *mdev, enum mt76_rxq_id q) +{ + struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); + + if (q == MT_RXQ_MAIN) + mt7921_irq_enable(dev, MT_INT_RX_DONE_DATA); + else if (q == MT_RXQ_MCU_WA) + mt7921_irq_enable(dev, MT_INT_RX_DONE_WM2); + else + mt7921_irq_enable(dev, MT_INT_RX_DONE_WM); +} + +static irqreturn_t mt7921_irq_handler(int irq, void *dev_instance) +{ + struct mt7921_dev *dev = dev_instance; + + mt76_wr(dev, MT_WFDMA0_HOST_INT_ENA, 0); + + if (!test_bit(MT76_STATE_INITIALIZED, &dev->mphy.state)) + return IRQ_NONE; + + tasklet_schedule(&dev->irq_tasklet); + + return IRQ_HANDLED; +} + +static void mt7921_irq_tasklet(unsigned long data) +{ + struct mt7921_dev *dev = (struct mt7921_dev *)data; + u32 intr, mask = 0; + + mt76_wr(dev, MT_WFDMA0_HOST_INT_ENA, 0); + + intr = mt76_rr(dev, MT_WFDMA0_HOST_INT_STA); + intr &= dev->mt76.mmio.irqmask; + mt76_wr(dev, MT_WFDMA0_HOST_INT_STA, intr); + + trace_dev_irq(&dev->mt76, intr, dev->mt76.mmio.irqmask); + + mask |= intr & MT_INT_RX_DONE_ALL; + if (intr & MT_INT_TX_DONE_MCU) + mask |= MT_INT_TX_DONE_MCU; + + mt76_set_irq_mask(&dev->mt76, MT_WFDMA0_HOST_INT_ENA, mask, 0); + + if (intr & MT_INT_TX_DONE_ALL) + napi_schedule(&dev->mt76.tx_napi); + + if (intr & MT_INT_RX_DONE_WM) + napi_schedule(&dev->mt76.napi[MT_RXQ_MCU]); + + if (intr & MT_INT_RX_DONE_WM2) + napi_schedule(&dev->mt76.napi[MT_RXQ_MCU_WA]); + + if (intr & MT_INT_RX_DONE_DATA) /* rx data from lmac */ + napi_schedule(&dev->mt76.napi[MT_RXQ_MAIN]); +} + +static int +mt7921_alloc_device(struct pci_dev *pdev, struct mt7921_dev *dev) +{ +#define NUM_BANDS 2 + int i; + s8 **sku; + + sku = devm_kzalloc(&pdev->dev, NUM_BANDS * sizeof(*sku), GFP_KERNEL); + if (!sku) + return -ENOMEM; + + for (i = 0; i < NUM_BANDS; i++) { + sku[i] = devm_kzalloc(&pdev->dev, MT7921_SKU_TABLE_SIZE * + sizeof(**sku), GFP_KERNEL); + if (!sku[i]) + return -ENOMEM; + } + dev->rate_power = sku; + + return 0; +} + +static int mt7921_pci_probe(struct pci_dev *pdev, + const struct pci_device_id *id) +{ + static const struct mt76_driver_ops drv_ops = { + /* txwi_size = txd size + txp size */ + .txwi_size = MT_TXD_SIZE + sizeof(struct mt7921_txp_common), + .drv_flags = MT_DRV_TXWI_NO_FREE | MT_DRV_HW_MGMT_TXQ | + MT_DRV_AMSDU_OFFLOAD, + .survey_flags = SURVEY_INFO_TIME_TX | + SURVEY_INFO_TIME_RX | + SURVEY_INFO_TIME_BSS_RX, + .tx_prepare_skb = mt7921_tx_prepare_skb, + .tx_complete_skb = mt7921_tx_complete_skb, + .rx_skb = mt7921_queue_rx_skb, + .rx_poll_complete = mt7921_rx_poll_complete, + .sta_ps = mt7921_sta_ps, + .sta_add = mt7921_mac_sta_add, + .sta_remove = mt7921_mac_sta_remove, + .update_survey = mt7921_update_channel, + }; + struct mt7921_dev *dev; + struct mt76_dev *mdev; + int ret; + + ret = pcim_enable_device(pdev); + if (ret) + return ret; + + ret = pcim_iomap_regions(pdev, BIT(0), pci_name(pdev)); + if (ret) + return ret; + + pci_set_master(pdev); + + ret = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_LEGACY); + if (ret < 0) + return ret; + + ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); + if (ret) + goto err_free_pci_vec; + + mt76_pci_disable_aspm(pdev); + + mdev = mt76_alloc_device(&pdev->dev, sizeof(*dev), &mt7921_ops, + &drv_ops); + if (!mdev) { + ret = -ENOMEM; + goto err_free_pci_vec; + } + + dev = container_of(mdev, struct mt7921_dev, mt76); + ret = mt7921_alloc_device(pdev, dev); + if (ret) + goto err_free_dev; + + mt76_mmio_init(&dev->mt76, pcim_iomap_table(pdev)[0]); + tasklet_init(&dev->irq_tasklet, mt7921_irq_tasklet, (unsigned long)dev); + mdev->rev = (mt7921_l1_rr(dev, MT_HW_CHIPID) << 16) | + (mt7921_l1_rr(dev, MT_HW_REV) & 0xff); + dev_err(mdev->dev, "ASIC revision: %04x\n", mdev->rev); + + mt76_wr(dev, MT_WFDMA0_HOST_INT_ENA, 0); + + mt7921_l1_wr(dev, MT_PCIE_MAC_INT_ENABLE, 0xff); + + ret = devm_request_irq(mdev->dev, pdev->irq, mt7921_irq_handler, + IRQF_SHARED, KBUILD_MODNAME, dev); + if (ret) + goto err_free_dev; + + ret = mt7921_register_device(dev); + if (ret) + goto err_free_dev; + + return 0; + +err_free_dev: + mt76_free_device(&dev->mt76); +err_free_pci_vec: + pci_free_irq_vectors(pdev); + + return ret; +} + +static void mt7921_pci_remove(struct pci_dev *pdev) +{ + struct mt76_dev *mdev = pci_get_drvdata(pdev); + struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); + + mt7921_unregister_device(dev); + devm_free_irq(&pdev->dev, pdev->irq, dev); + pci_free_irq_vectors(pdev); +} + +struct pci_driver mt7921_pci_driver = { + .name = KBUILD_MODNAME, + .id_table = mt7921_pci_device_table, + .probe = mt7921_pci_probe, + .remove = mt7921_pci_remove, +}; + +module_pci_driver(mt7921_pci_driver); + +MODULE_DEVICE_TABLE(pci, mt7921_pci_device_table); +MODULE_FIRMWARE(MT7921_FIRMWARE_WM); +MODULE_FIRMWARE(MT7921_ROM_PATCH); +MODULE_AUTHOR("Sean Wang "); +MODULE_AUTHOR("Lorenzo Bianconi "); +MODULE_LICENSE("Dual BSD/GPL"); diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/regs.h b/drivers/net/wireless/mediatek/mt76/mt7921/regs.h new file mode 100644 index 000000000000..9d4e5ea18f54 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt7921/regs.h @@ -0,0 +1,455 @@ +/* SPDX-License-Identifier: ISC */ +/* Copyright (C) 2020 MediaTek Inc. */ + +#ifndef __MT7921_REGS_H +#define __MT7921_REGS_H + +/* MCU WFDMA1 */ +#define MT_MCU_WFDMA1_BASE 0x3000 +#define MT_MCU_WFDMA1(ofs) (MT_MCU_WFDMA1_BASE + (ofs)) + +#define MT_MCU_INT_EVENT MT_MCU_WFDMA1(0x108) +#define MT_MCU_INT_EVENT_DMA_STOPPED BIT(0) +#define MT_MCU_INT_EVENT_DMA_INIT BIT(1) +#define MT_MCU_INT_EVENT_SER_TRIGGER BIT(2) +#define MT_MCU_INT_EVENT_RESET_DONE BIT(3) + +#define MT_PLE_BASE 0x8000 +#define MT_PLE(ofs) (MT_PLE_BASE + (ofs)) + +#define MT_PLE_FL_Q0_CTRL MT_PLE(0x1b0) +#define MT_PLE_FL_Q1_CTRL MT_PLE(0x1b4) +#define MT_PLE_FL_Q2_CTRL MT_PLE(0x1b8) +#define MT_PLE_FL_Q3_CTRL MT_PLE(0x1bc) + +#define MT_PLE_AC_QEMPTY(ac, n) MT_PLE(0x300 + 0x10 * (ac) + \ + ((n) << 2)) +#define MT_PLE_AMSDU_PACK_MSDU_CNT(n) MT_PLE(0x10e0 + ((n) << 2)) + +#define MT_MDP_BASE 0xf000 +#define MT_MDP(ofs) (MT_MDP_BASE + (ofs)) + +#define MT_MDP_DCR0 MT_MDP(0x000) +#define MT_MDP_DCR0_DAMSDU_EN BIT(15) + +#define MT_MDP_DCR1 MT_MDP(0x004) +#define MT_MDP_DCR1_MAX_RX_LEN GENMASK(15, 3) + +#define MT_MDP_BNRCFR0(_band) MT_MDP(0x070 + ((_band) << 8)) +#define MT_MDP_RCFR0_MCU_RX_MGMT GENMASK(5, 4) +#define MT_MDP_RCFR0_MCU_RX_CTL_NON_BAR GENMASK(7, 6) +#define MT_MDP_RCFR0_MCU_RX_CTL_BAR GENMASK(9, 8) + +#define MT_MDP_BNRCFR1(_band) MT_MDP(0x074 + ((_band) << 8)) +#define MT_MDP_RCFR1_MCU_RX_BYPASS GENMASK(23, 22) +#define MT_MDP_RCFR1_RX_DROPPED_UCAST GENMASK(28, 27) +#define MT_MDP_RCFR1_RX_DROPPED_MCAST GENMASK(30, 29) +#define MT_MDP_TO_HIF 0 +#define MT_MDP_TO_WM 1 + +/* TMAC: band 0(0x21000), band 1(0xa1000) */ +#define MT_WF_TMAC_BASE(_band) ((_band) ? 0xa1000 : 0x21000) +#define MT_WF_TMAC(_band, ofs) (MT_WF_TMAC_BASE(_band) + (ofs)) + +#define MT_TMAC_TCR0(_band) MT_WF_TMAC(_band, 0) +#define MT_TMAC_TCR0_TBTT_STOP_CTRL BIT(25) + +#define MT_TMAC_CDTR(_band) MT_WF_TMAC(_band, 0x090) +#define MT_TMAC_ODTR(_band) MT_WF_TMAC(_band, 0x094) +#define MT_TIMEOUT_VAL_PLCP GENMASK(15, 0) +#define MT_TIMEOUT_VAL_CCA GENMASK(31, 16) + +#define MT_TMAC_ICR0(_band) MT_WF_TMAC(_band, 0x0a4) +#define MT_IFS_EIFS GENMASK(8, 0) +#define MT_IFS_RIFS GENMASK(14, 10) +#define MT_IFS_SIFS GENMASK(22, 16) +#define MT_IFS_SLOT GENMASK(30, 24) + +#define MT_TMAC_CTCR0(_band) MT_WF_TMAC(_band, 0x0f4) +#define MT_TMAC_CTCR0_INS_DDLMT_REFTIME GENMASK(5, 0) +#define MT_TMAC_CTCR0_INS_DDLMT_EN BIT(17) +#define MT_TMAC_CTCR0_INS_DDLMT_VHT_SMPDU_EN BIT(18) + +#define MT_TMAC_TRCR0(_band) MT_WF_TMAC(_band, 0x09c) +#define MT_TMAC_TFCR0(_band) MT_WF_TMAC(_band, 0x1e0) + +#define MT_WF_DMA_BASE(_band) ((_band) ? 0xa1e00 : 0x21e00) +#define MT_WF_DMA(_band, ofs) (MT_WF_DMA_BASE(_band) + (ofs)) + +#define MT_DMA_DCR0(_band) MT_WF_DMA(_band, 0x000) +#define MT_DMA_DCR0_MAX_RX_LEN GENMASK(15, 3) +#define MT_DMA_DCR0_RXD_G5_EN BIT(23) + +/* ETBF: band 0(0x24000), band 1(0xa4000) */ +#define MT_WF_ETBF_BASE(_band) ((_band) ? 0xa4000 : 0x24000) +#define MT_WF_ETBF(_band, ofs) (MT_WF_ETBF_BASE(_band) + (ofs)) + +#define MT_ETBF_TX_NDP_BFRP(_band) MT_WF_ETBF(_band, 0x040) +#define MT_ETBF_TX_FB_CPL GENMASK(31, 16) +#define MT_ETBF_TX_FB_TRI GENMASK(15, 0) + +#define MT_ETBF_TX_APP_CNT(_band) MT_WF_ETBF(_band, 0x0f0) +#define MT_ETBF_TX_IBF_CNT GENMASK(31, 16) +#define MT_ETBF_TX_EBF_CNT GENMASK(15, 0) + +#define MT_ETBF_RX_FB_CNT(_band) MT_WF_ETBF(_band, 0x0f8) +#define MT_ETBF_RX_FB_ALL GENMASK(31, 24) +#define MT_ETBF_RX_FB_HE GENMASK(23, 16) +#define MT_ETBF_RX_FB_VHT GENMASK(15, 8) +#define MT_ETBF_RX_FB_HT GENMASK(7, 0) + +/* LPON: band 0(0x24200), band 1(0xa4200) */ +#define MT_WF_LPON_BASE(_band) ((_band) ? 0xa4200 : 0x24200) +#define MT_WF_LPON(_band, ofs) (MT_WF_LPON_BASE(_band) + (ofs)) + +#define MT_LPON_UTTR0(_band) MT_WF_LPON(_band, 0x080) +#define MT_LPON_UTTR1(_band) MT_WF_LPON(_band, 0x084) + +#define MT_LPON_TCR(_band, n) MT_WF_LPON(_band, 0x0a8 + (n) * 4) +#define MT_LPON_TCR_SW_MODE GENMASK(1, 0) +#define MT_LPON_TCR_SW_WRITE BIT(0) + +/* MIB: band 0(0x24800), band 1(0xa4800) */ +#define MT_WF_MIB_BASE(_band) ((_band) ? 0xa4800 : 0x24800) +#define MT_WF_MIB(_band, ofs) (MT_WF_MIB_BASE(_band) + (ofs)) + +#define MT_MIB_SDR3(_band) MT_WF_MIB(_band, 0x014) +#define MT_MIB_SDR3_FCS_ERR_MASK GENMASK(15, 0) + +#define MT_MIB_SDR9(_band) MT_WF_MIB(_band, 0x02c) +#define MT_MIB_SDR9_BUSY_MASK GENMASK(23, 0) + +#define MT_MIB_SDR16(_band) MT_WF_MIB(_band, 0x048) +#define MT_MIB_SDR16_BUSY_MASK GENMASK(23, 0) + +#define MT_MIB_SDR34(_band) MT_WF_MIB(_band, 0x090) +#define MT_MIB_MU_BF_TX_CNT GENMASK(15, 0) + +#define MT_MIB_SDR36(_band) MT_WF_MIB(_band, 0x098) +#define MT_MIB_SDR36_TXTIME_MASK GENMASK(23, 0) +#define MT_MIB_SDR37(_band) MT_WF_MIB(_band, 0x09c) +#define MT_MIB_SDR37_RXTIME_MASK GENMASK(23, 0) + +#define MT_MIB_DR8(_band) MT_WF_MIB(_band, 0x0c0) +#define MT_MIB_DR9(_band) MT_WF_MIB(_band, 0x0c4) +#define MT_MIB_DR11(_band) MT_WF_MIB(_band, 0x0cc) + +#define MT_MIB_MB_SDR0(_band, n) MT_WF_MIB(_band, 0x100 + ((n) << 4)) +#define MT_MIB_RTS_RETRIES_COUNT_MASK GENMASK(31, 16) +#define MT_MIB_RTS_COUNT_MASK GENMASK(15, 0) + +#define MT_MIB_MB_SDR1(_band, n) MT_WF_MIB(_band, 0x104 + ((n) << 4)) +#define MT_MIB_BA_MISS_COUNT_MASK GENMASK(15, 0) +#define MT_MIB_ACK_FAIL_COUNT_MASK GENMASK(31, 16) + +#define MT_MIB_MB_SDR2(_band, n) MT_WF_MIB(_band, 0x108 + ((n) << 4)) +#define MT_MIB_FRAME_RETRIES_COUNT_MASK GENMASK(15, 0) + +#define MT_TX_AGG_CNT(_band, n) MT_WF_MIB(_band, 0x0a8 + ((n) << 2)) +#define MT_TX_AGG_CNT2(_band, n) MT_WF_MIB(_band, 0x164 + ((n) << 2)) +#define MT_MIB_ARNG(_band, n) MT_WF_MIB(_band, 0x4b8 + ((n) << 2)) +#define MT_MIB_ARNCR_RANGE(val, n) (((val) >> ((n) << 3)) & GENMASK(7, 0)) + +#define MT_WTBLON_TOP_BASE 0x34000 +#define MT_WTBLON_TOP(ofs) (MT_WTBLON_TOP_BASE + (ofs)) +#define MT_WTBLON_TOP_WDUCR MT_WTBLON_TOP(0x0) +#define MT_WTBLON_TOP_WDUCR_GROUP GENMASK(2, 0) + +#define MT_WTBL_UPDATE MT_WTBLON_TOP(0x030) +#define MT_WTBL_UPDATE_WLAN_IDX GENMASK(9, 0) +#define MT_WTBL_UPDATE_ADM_COUNT_CLEAR BIT(12) +#define MT_WTBL_UPDATE_BUSY BIT(31) + +#define MT_WTBL_BASE 0x38000 +#define MT_WTBL_LMAC_ID GENMASK(14, 8) +#define MT_WTBL_LMAC_DW GENMASK(7, 2) +#define MT_WTBL_LMAC_OFFS(_id, _dw) (MT_WTBL_BASE | \ + FIELD_PREP(MT_WTBL_LMAC_ID, _id) | \ + FIELD_PREP(MT_WTBL_LMAC_DW, _dw)) + +/* AGG: band 0(0x20800), band 1(0xa0800) */ +#define MT_WF_AGG_BASE(_band) ((_band) ? 0xa0800 : 0x20800) +#define MT_WF_AGG(_band, ofs) (MT_WF_AGG_BASE(_band) + (ofs)) + +#define MT_AGG_AWSCR0(_band, _n) MT_WF_AGG(_band, 0x05c + (_n) * 4) +#define MT_AGG_PCR0(_band, _n) MT_WF_AGG(_band, 0x06c + (_n) * 4) +#define MT_AGG_PCR0_MM_PROT BIT(0) +#define MT_AGG_PCR0_GF_PROT BIT(1) +#define MT_AGG_PCR0_BW20_PROT BIT(2) +#define MT_AGG_PCR0_BW40_PROT BIT(4) +#define MT_AGG_PCR0_BW80_PROT BIT(6) +#define MT_AGG_PCR0_ERP_PROT GENMASK(12, 8) +#define MT_AGG_PCR0_VHT_PROT BIT(13) +#define MT_AGG_PCR0_PTA_WIN_DIS BIT(15) + +#define MT_AGG_PCR1_RTS0_NUM_THRES GENMASK(31, 23) +#define MT_AGG_PCR1_RTS0_LEN_THRES GENMASK(19, 0) + +#define MT_AGG_ACR0(_band) MT_WF_AGG(_band, 0x084) +#define MT_AGG_ACR_CFEND_RATE GENMASK(13, 0) +#define MT_AGG_ACR_BAR_RATE GENMASK(29, 16) + +#define MT_AGG_MRCR(_band) MT_WF_AGG(_band, 0x098) +#define MT_AGG_MRCR_BAR_CNT_LIMIT GENMASK(15, 12) +#define MT_AGG_MRCR_LAST_RTS_CTS_RN BIT(6) +#define MT_AGG_MRCR_RTS_FAIL_LIMIT GENMASK(11, 7) +#define MT_AGG_MRCR_TXCMD_RTS_FAIL_LIMIT GENMASK(28, 24) + +#define MT_AGG_ATCR1(_band) MT_WF_AGG(_band, 0x0f0) +#define MT_AGG_ATCR3(_band) MT_WF_AGG(_band, 0x0f4) + +/* ARB: band 0(0x20c00), band 1(0xa0c00) */ +#define MT_WF_ARB_BASE(_band) ((_band) ? 0xa0c00 : 0x20c00) +#define MT_WF_ARB(_band, ofs) (MT_WF_ARB_BASE(_band) + (ofs)) + +#define MT_ARB_SCR(_band) MT_WF_ARB(_band, 0x080) +#define MT_ARB_SCR_TX_DISABLE BIT(8) +#define MT_ARB_SCR_RX_DISABLE BIT(9) + +#define MT_ARB_DRNGR0(_band, _n) MT_WF_ARB(_band, 0x194 + (_n) * 4) + +/* RMAC: band 0(0x21400), band 1(0xa1400) */ +#define MT_WF_RMAC_BASE(_band) ((_band) ? 0xa1400 : 0x21400) +#define MT_WF_RMAC(_band, ofs) (MT_WF_RMAC_BASE(_band) + (ofs)) + +#define MT_WF_RFCR(_band) MT_WF_RMAC(_band, 0x000) +#define MT_WF_RFCR_DROP_STBC_MULTI BIT(0) +#define MT_WF_RFCR_DROP_FCSFAIL BIT(1) +#define MT_WF_RFCR_DROP_VERSION BIT(3) +#define MT_WF_RFCR_DROP_PROBEREQ BIT(4) +#define MT_WF_RFCR_DROP_MCAST BIT(5) +#define MT_WF_RFCR_DROP_BCAST BIT(6) +#define MT_WF_RFCR_DROP_MCAST_FILTERED BIT(7) +#define MT_WF_RFCR_DROP_A3_MAC BIT(8) +#define MT_WF_RFCR_DROP_A3_BSSID BIT(9) +#define MT_WF_RFCR_DROP_A2_BSSID BIT(10) +#define MT_WF_RFCR_DROP_OTHER_BEACON BIT(11) +#define MT_WF_RFCR_DROP_FRAME_REPORT BIT(12) +#define MT_WF_RFCR_DROP_CTL_RSV BIT(13) +#define MT_WF_RFCR_DROP_CTS BIT(14) +#define MT_WF_RFCR_DROP_RTS BIT(15) +#define MT_WF_RFCR_DROP_DUPLICATE BIT(16) +#define MT_WF_RFCR_DROP_OTHER_BSS BIT(17) +#define MT_WF_RFCR_DROP_OTHER_UC BIT(18) +#define MT_WF_RFCR_DROP_OTHER_TIM BIT(19) +#define MT_WF_RFCR_DROP_NDPA BIT(20) +#define MT_WF_RFCR_DROP_UNWANTED_CTL BIT(21) + +#define MT_WF_RFCR1(_band) MT_WF_RMAC(_band, 0x004) +#define MT_WF_RFCR1_DROP_ACK BIT(4) +#define MT_WF_RFCR1_DROP_BF_POLL BIT(5) +#define MT_WF_RFCR1_DROP_BA BIT(6) +#define MT_WF_RFCR1_DROP_CFEND BIT(7) +#define MT_WF_RFCR1_DROP_CFACK BIT(8) + +#define MT_WF_RMAC_MIB_TIME0(_band) MT_WF_RMAC(_band, 0x03c4) +#define MT_WF_RMAC_MIB_RXTIME_CLR BIT(31) +#define MT_WF_RMAC_MIB_RXTIME_EN BIT(30) + +#define MT_WF_RMAC_MIB_AIRTIME14(_band) MT_WF_RMAC(_band, 0x03b8) +#define MT_MIB_OBSSTIME_MASK GENMASK(23, 0) +#define MT_WF_RMAC_MIB_AIRTIME0(_band) MT_WF_RMAC(_band, 0x0380) + +/* WFDMA0 */ +#define MT_WFDMA0_BASE 0xd4000 +#define MT_WFDMA0(ofs) (MT_WFDMA0_BASE + (ofs)) + +#define MT_WFDMA0_RST MT_WFDMA0(0x100) +#define MT_WFDMA0_RST_LOGIC_RST BIT(4) +#define MT_WFDMA0_RST_DMASHDL_ALL_RST BIT(5) + +#define MT_WFDMA0_BUSY_ENA MT_WFDMA0(0x13c) +#define MT_WFDMA0_BUSY_ENA_TX_FIFO0 BIT(0) +#define MT_WFDMA0_BUSY_ENA_TX_FIFO1 BIT(1) +#define MT_WFDMA0_BUSY_ENA_RX_FIFO BIT(2) + +#define MT_MCU_CMD MT_WFDMA0(0x1f0) +#define MT_MCU_CMD_STOP_DMA_FW_RELOAD BIT(1) +#define MT_MCU_CMD_STOP_DMA BIT(2) +#define MT_MCU_CMD_RESET_DONE BIT(3) +#define MT_MCU_CMD_RECOVERY_DONE BIT(4) +#define MT_MCU_CMD_NORMAL_STATE BIT(5) +#define MT_MCU_CMD_ERROR_MASK GENMASK(5, 1) + +#define MT_WFDMA0_HOST_INT_STA MT_WFDMA0(0x200) +#define HOST_RX_DONE_INT_STS0 BIT(0) /* Rx mcu */ +#define HOST_RX_DONE_INT_STS2 BIT(2) /* Rx data */ +#define HOST_RX_DONE_INT_STS4 BIT(22) /* Rx mcu after fw downloaded */ +#define HOST_TX_DONE_INT_STS16 BIT(26) +#define HOST_TX_DONE_INT_STS17 BIT(27) /* MCU tx done*/ + +#define MT_WFDMA0_HOST_INT_ENA MT_WFDMA0(0x204) +#define HOST_RX_DONE_INT_ENA0 BIT(0) +#define HOST_RX_DONE_INT_ENA1 BIT(1) +#define HOST_RX_DONE_INT_ENA2 BIT(2) +#define HOST_RX_DONE_INT_ENA3 BIT(3) +#define HOST_TX_DONE_INT_ENA0 BIT(4) +#define HOST_TX_DONE_INT_ENA1 BIT(5) +#define HOST_TX_DONE_INT_ENA2 BIT(6) +#define HOST_TX_DONE_INT_ENA3 BIT(7) +#define HOST_TX_DONE_INT_ENA4 BIT(8) +#define HOST_TX_DONE_INT_ENA5 BIT(9) +#define HOST_TX_DONE_INT_ENA6 BIT(10) +#define HOST_TX_DONE_INT_ENA7 BIT(11) +#define HOST_TX_DONE_INT_ENA8 BIT(12) +#define HOST_TX_DONE_INT_ENA9 BIT(13) +#define HOST_TX_DONE_INT_ENA10 BIT(14) +#define HOST_TX_DONE_INT_ENA11 BIT(15) +#define HOST_TX_DONE_INT_ENA12 BIT(16) +#define HOST_TX_DONE_INT_ENA13 BIT(17) +#define HOST_TX_DONE_INT_ENA14 BIT(18) +#define HOST_RX_COHERENT_EN BIT(20) +#define HOST_TX_COHERENT_EN BIT(21) +#define HOST_RX_DONE_INT_ENA4 BIT(22) +#define HOST_RX_DONE_INT_ENA5 BIT(23) +#define HOST_TX_DONE_INT_ENA16 BIT(26) +#define HOST_TX_DONE_INT_ENA17 BIT(27) +#define MCU2HOST_SW_INT_ENA BIT(29) +#define HOST_TX_DONE_INT_ENA18 BIT(30) + +/* WFDMA interrupt */ +#define MT_INT_RX_DONE_DATA HOST_RX_DONE_INT_ENA2 +#define MT_INT_RX_DONE_WM HOST_RX_DONE_INT_ENA0 +#define MT_INT_RX_DONE_WM2 HOST_RX_DONE_INT_ENA4 +#define MT_INT_RX_DONE_ALL (MT_INT_RX_DONE_DATA | \ + MT_INT_RX_DONE_WM | \ + MT_INT_RX_DONE_WM2) +#define MT_INT_TX_DONE_MCU_WM HOST_TX_DONE_INT_ENA17 +#define MT_INT_TX_DONE_FWDL HOST_TX_DONE_INT_ENA16 +#define MT_INT_TX_DONE_BAND0 HOST_TX_DONE_INT_ENA0 +#define MT_INT_MCU_CMD MCU2HOST_SW_INT_ENA + +#define MT_INT_TX_DONE_MCU (MT_INT_TX_DONE_MCU_WM | \ + MT_INT_TX_DONE_FWDL) +#define MT_INT_TX_DONE_ALL (MT_INT_TX_DONE_MCU_WM | \ + MT_INT_TX_DONE_BAND0 | \ + GENMASK(18, 4)) + +#define MT_WFDMA0_GLO_CFG MT_WFDMA0(0x208) +#define MT_WFDMA0_GLO_CFG_TX_DMA_EN BIT(0) +#define MT_WFDMA0_GLO_CFG_TX_DMA_BUSY BIT(1) +#define MT_WFDMA0_GLO_CFG_RX_DMA_EN BIT(2) +#define MT_WFDMA0_GLO_CFG_RX_DMA_BUSY BIT(3) +#define MT_WFDMA0_GLO_CFG_TX_WB_DDONE BIT(6) +#define MT_WFDMA0_GLO_CFG_FIFO_LITTLE_ENDIAN BIT(12) +#define MT_WFDMA0_GLO_CFG_CSR_DISP_BASE_PTR_CHAIN_EN BIT(15) +#define MT_WFDMA0_GLO_CFG_OMIT_RX_INFO_PFET2 BIT(21) +#define MT_WFDMA0_GLO_CFG_OMIT_RX_INFO BIT(27) +#define MT_WFDMA0_GLO_CFG_OMIT_TX_INFO BIT(28) +#define MT_WFDMA0_GLO_CFG_CLK_GAT_DIS BIT(30) + +#define MT_WFDMA0_RST_DTX_PTR MT_WFDMA0(0x20c) +#define MT_WFDMA0_GLO_CFG_EXT0 MT_WFDMA0(0x2b0) +#define MT_WFDMA0_CSR_TX_DMASHDL_ENABLE BIT(6) +#define MT_WFDMA0_PRI_DLY_INT_CFG0 MT_WFDMA0(0x2f0) + +#define MT_RX_DATA_RING_BASE MT_WFDMA0(0x520) + +#define MT_WFDMA0_TX_RING0_EXT_CTRL MT_WFDMA0(0x600) +#define MT_WFDMA0_TX_RING1_EXT_CTRL MT_WFDMA0(0x604) +#define MT_WFDMA0_TX_RING2_EXT_CTRL MT_WFDMA0(0x608) +#define MT_WFDMA0_TX_RING3_EXT_CTRL MT_WFDMA0(0x60c) +#define MT_WFDMA0_TX_RING4_EXT_CTRL MT_WFDMA0(0x610) +#define MT_WFDMA0_TX_RING5_EXT_CTRL MT_WFDMA0(0x614) +#define MT_WFDMA0_TX_RING6_EXT_CTRL MT_WFDMA0(0x618) +#define MT_WFDMA0_TX_RING16_EXT_CTRL MT_WFDMA0(0x640) +#define MT_WFDMA0_TX_RING17_EXT_CTRL MT_WFDMA0(0x644) + +#define MT_WFDMA0_RX_RING0_EXT_CTRL MT_WFDMA0(0x680) +#define MT_WFDMA0_RX_RING1_EXT_CTRL MT_WFDMA0(0x684) +#define MT_WFDMA0_RX_RING2_EXT_CTRL MT_WFDMA0(0x688) +#define MT_WFDMA0_RX_RING3_EXT_CTRL MT_WFDMA0(0x68c) +#define MT_WFDMA0_RX_RING4_EXT_CTRL MT_WFDMA0(0x690) +#define MT_WFDMA0_RX_RING5_EXT_CTRL MT_WFDMA0(0x694) + +#define MT_TX_RING_BASE MT_WFDMA0(0x300) +#define MT_RX_EVENT_RING_BASE MT_WFDMA0(0x500) + +/* WFDMA CSR */ +#define MT_WFDMA_EXT_CSR_BASE 0xd7000 +#define MT_WFDMA_EXT_CSR(ofs) (MT_WFDMA_EXT_CSR_BASE + (ofs)) +#define MT_WFDMA_EXT_CSR_HIF_MISC MT_WFDMA_EXT_CSR(0x44) +#define MT_WFDMA_EXT_CSR_HIF_MISC_BUSY BIT(0) + +/* WFDMA0 PCIE1 */ +#define MT_WFDMA0_PCIE1_BASE 0xd8000 +#define MT_WFDMA0_PCIE1(ofs) (MT_WFDMA0_PCIE1_BASE + (ofs)) + +#define MT_WFDMA0_PCIE1_BUSY_ENA MT_WFDMA0_PCIE1(0x13c) +#define MT_WFDMA0_PCIE1_BUSY_ENA_TX_FIFO0 BIT(0) +#define MT_WFDMA0_PCIE1_BUSY_ENA_TX_FIFO1 BIT(1) +#define MT_WFDMA0_PCIE1_BUSY_ENA_RX_FIFO BIT(2) + +/* WFDMA1 PCIE1 */ +#define MT_WFDMA1_PCIE1_BASE 0xd9000 +#define MT_WFDMA1_PCIE1(ofs) (MT_WFDMA0_PCIE1_BASE + (ofs)) + +#define MT_WFDMA1_PCIE1_BUSY_ENA MT_WFDMA1_PCIE1(0x13c) +#define MT_WFDMA1_PCIE1_BUSY_ENA_TX_FIFO0 BIT(0) +#define MT_WFDMA1_PCIE1_BUSY_ENA_TX_FIFO1 BIT(1) +#define MT_WFDMA1_PCIE1_BUSY_ENA_RX_FIFO BIT(2) + +#define MT_INFRA_CFG_BASE 0xfe000 +#define MT_INFRA(ofs) (MT_INFRA_CFG_BASE + (ofs)) + +#define MT_HIF_REMAP_L1 MT_INFRA(0x260) +#define MT_HIF_REMAP_L1_MASK GENMASK(15, 0) +#define MT_HIF_REMAP_L1_OFFSET GENMASK(15, 0) +#define MT_HIF_REMAP_L1_BASE GENMASK(31, 16) +#define MT_HIF_REMAP_BASE_L1 0xe0000 + +#define MT_HIF_REMAP_L2 MT_INFRA(0x1b0) +#define MT_HIF_REMAP_L2_MASK GENMASK(19, 0) +#define MT_HIF_REMAP_L2_OFFSET GENMASK(11, 0) +#define MT_HIF_REMAP_L2_BASE GENMASK(31, 12) +#define MT_HIF_REMAP_BASE_L2 0x00000 + +#define MT_SWDEF_BASE 0x41f200 +#define MT_SWDEF(ofs) (MT_SWDEF_BASE + (ofs)) +#define MT_SWDEF_MODE MT_SWDEF(0x3c) +#define MT_SWDEF_NORMAL_MODE 0 +#define MT_SWDEF_ICAP_MODE 1 +#define MT_SWDEF_SPECTRUM_MODE 2 + +#define MT_TOP_BASE 0x18060000 +#define MT_TOP(ofs) (MT_TOP_BASE + (ofs)) + +#define MT_TOP_LPCR_HOST_BAND0 MT_TOP(0x10) +#define MT_TOP_LPCR_HOST_FW_OWN BIT(0) +#define MT_TOP_LPCR_HOST_DRV_OWN BIT(1) + +#define MT_TOP_MISC MT_TOP(0xf0) +#define MT_TOP_MISC_FW_STATE GENMASK(2, 0) + +#define MT_HW_BOUND 0x70010020 +#define MT_HW_CHIPID 0x70010200 +#define MT_HW_REV 0x70010204 + +#define MT_PCIE_MAC_BASE 0x74030000 +#define MT_PCIE_MAC(ofs) (MT_PCIE_MAC_BASE + (ofs)) +#define MT_PCIE_MAC_INT_ENABLE MT_PCIE_MAC(0x188) + +#define MT_DMA_SHDL(ofs) (0xd6000 + (ofs)) +#define MT_DMASHDL_SW_CONTROL MT_DMA_SHDL(0x004) +#define MT_DMASHDL_DMASHDL_BYPASS BIT(28) +#define MT_DMASHDL_OPTIONAL MT_DMA_SHDL(0x008) +#define MT_DMASHDL_PAGE MT_DMA_SHDL(0x00c) +#define MT_DMASHDL_REFILL MT_DMA_SHDL(0x010) +#define MT_DMASHDL_PKT_MAX_SIZE MT_DMA_SHDL(0x01c) +#define MT_DMASHDL_PKT_MAX_SIZE_PLE GENMASK(11, 0) +#define MT_DMASHDL_PKT_MAX_SIZE_PSE GENMASK(27, 16) + +#define MT_DMASHDL_GROUP_QUOTA(_n) MT_DMA_SHDL(0x020 + ((_n) << 2)) +#define MT_DMASHDL_GROUP_QUOTA_MIN GENMASK(11, 0) +#define MT_DMASHDL_GROUP_QUOTA_MAX GENMASK(27, 16) + +#define MT_DMASHDL_Q_MAP(_n) MT_DMA_SHDL(0x060 + ((_n) << 2)) +#define MT_DMASHDL_Q_MAP_MASK GENMASK(3, 0) +#define MT_DMASHDL_Q_MAP_SHIFT(_n) (4 * ((_n) % 8)) + +#define MT_DMASHDL_SCHED_SET(_n) MT_DMA_SHDL(0x070 + ((_n) << 2)) + +#define MT_CONN_ON_MISC 0x7c0600f0 +#define MT_TOP_MISC2_FW_N9_RDY GENMASK(1, 0) + +#endif