From patchwork Mon Mar 14 15:10:23 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenzo Bianconi X-Patchwork-Id: 552162 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E5AF5C433EF for ; Mon, 14 Mar 2022 15:10:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242459AbiCNPMI (ORCPT ); Mon, 14 Mar 2022 11:12:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58214 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242458AbiCNPMH (ORCPT ); Mon, 14 Mar 2022 11:12:07 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8512F434B9 for ; Mon, 14 Mar 2022 08:10:57 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 31A2DB80E4D for ; Mon, 14 Mar 2022 15:10:56 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 78625C340E9; Mon, 14 Mar 2022 15:10:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1647270654; bh=kiAGpf+4zwJ+zHiQl7xLk7QVnsQZlXGbdf0DELrdgHY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=L19xWDT2cGyvtR22A+gYCO9YIwUXRwU+UvRsVUK13cyTI3CDASaeAy3MtyyTQs1EX XRY73E1rwMJ9vlvLPlUYY8Eftx71aigzvx09eJ1QPnnx5HUnz6wD7kz8HsXOQ4K83W fSAuq+8B+uq8OJdBKHUVhObsyV7tm3i0SYone6O3Redty3pV9cQSWudXufIw+XERbl 5KR54iGdSZZdwmAp716Wm2F1ogaSNaItQVX1mIuqW07oDNEmM7WlOWlFJwJdh9eV6C PxqARhs1kiNaQqhtTBAPtpD8aUbMv0MUbKqymf9Oi6Yb+WUzC79GVZMwpXjt9bnxdc g8B+8Bi4i30kA== From: Lorenzo Bianconi To: nbd@nbd.name Cc: linux-wireless@vger.kernel.org, lorenzo.bianconi@redhat.com, sean.wang@mediatek.com, deren.wu@mediatek.com, linux-mediatek@lists.infradead.org Subject: [PATCH v5 1/9] mt76: usb: add req_type to ___mt76u_rr signature Date: Mon, 14 Mar 2022 16:10:23 +0100 Message-Id: <662a61b60beb6c07ace1b4d4d587b474622c0544.1647270525.git.lorenzo@kernel.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org This is a preliminary patch to add usb support to mt7921 driver. Tested-by: Sean Wang Signed-off-by: Lorenzo Bianconi --- drivers/net/wireless/mediatek/mt76/usb.c | 18 ++++++++++-------- 1 file changed, 10 insertions(+), 8 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/usb.c b/drivers/net/wireless/mediatek/mt76/usb.c index 0a7006c8959b..1b0435e0ea33 100644 --- a/drivers/net/wireless/mediatek/mt76/usb.c +++ b/drivers/net/wireless/mediatek/mt76/usb.c @@ -62,16 +62,15 @@ int mt76u_vendor_request(struct mt76_dev *dev, u8 req, } EXPORT_SYMBOL_GPL(mt76u_vendor_request); -static u32 ___mt76u_rr(struct mt76_dev *dev, u8 req, u32 addr) +static u32 ___mt76u_rr(struct mt76_dev *dev, u8 req, u8 req_type, + u32 addr) { struct mt76_usb *usb = &dev->usb; u32 data = ~0; int ret; - ret = __mt76u_vendor_request(dev, req, - USB_DIR_IN | USB_TYPE_VENDOR, - addr >> 16, addr, usb->data, - sizeof(__le32)); + ret = __mt76u_vendor_request(dev, req, req_type, addr >> 16, + addr, usb->data, sizeof(__le32)); if (ret == sizeof(__le32)) data = get_unaligned_le32(usb->data); trace_usb_reg_rr(dev, addr, data); @@ -95,7 +94,8 @@ static u32 __mt76u_rr(struct mt76_dev *dev, u32 addr) break; } - return ___mt76u_rr(dev, req, addr & ~MT_VEND_TYPE_MASK); + return ___mt76u_rr(dev, req, USB_DIR_IN | USB_TYPE_VENDOR, + addr & ~MT_VEND_TYPE_MASK); } static u32 mt76u_rr(struct mt76_dev *dev, u32 addr) @@ -114,7 +114,8 @@ static u32 mt76u_rr_ext(struct mt76_dev *dev, u32 addr) u32 ret; mutex_lock(&dev->usb.usb_ctrl_mtx); - ret = ___mt76u_rr(dev, MT_VEND_READ_EXT, addr); + ret = ___mt76u_rr(dev, MT_VEND_READ_EXT, + USB_DIR_IN | USB_TYPE_VENDOR, addr); mutex_unlock(&dev->usb.usb_ctrl_mtx); return ret; @@ -177,7 +178,8 @@ static u32 mt76u_rmw_ext(struct mt76_dev *dev, u32 addr, u32 mask, u32 val) { mutex_lock(&dev->usb.usb_ctrl_mtx); - val |= ___mt76u_rr(dev, MT_VEND_READ_EXT, addr) & ~mask; + val |= ___mt76u_rr(dev, MT_VEND_READ_EXT, + USB_DIR_IN | USB_TYPE_VENDOR, addr) & ~mask; ___mt76u_wr(dev, MT_VEND_WRITE_EXT, addr, val); mutex_unlock(&dev->usb.usb_ctrl_mtx); From patchwork Mon Mar 14 15:10:24 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenzo Bianconi X-Patchwork-Id: 552161 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 241C8C433FE for ; Mon, 14 Mar 2022 15:11:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242467AbiCNPML (ORCPT ); Mon, 14 Mar 2022 11:12:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58268 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242462AbiCNPMK (ORCPT ); Mon, 14 Mar 2022 11:12:10 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 307D143AFC for ; Mon, 14 Mar 2022 08:11:00 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 45A9A6122E for ; Mon, 14 Mar 2022 15:10:57 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 50F2EC340EE; Mon, 14 Mar 2022 15:10:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1647270656; bh=7ghIDG7930tgRqC4mgjloK/gSp+YSv4hNVjtC4qVZ9Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YJ1Ebc/cv9l9f6OnbYbxbdZx8Y+gxXgcP7jK0sQC8g69hzfqL9/xnaLh24ysGuKYq N0thmwfK0J7eITnJpLJa4zkotKKnD8Ct6rfz/VEKlhplNXHpX59G5GauOHSlnRUQfx h00SwQgrIXARX/7PHNGl8VGcra9GbkCfvVEkadKE5FGhQkuKGwUnWmLXrjwe1NkOap bcWit8cW92cQLCVQAoLq05em1YWkJumw29rlfUKEGNFm17o0rdxpCPmDQv9UIoiq1f dCUyi4JdroxRz9qltpUFOuAkTRBmAECFYpjUukTz96mjmtE1XwicaMhpNOpGed5AeZ ITuZG24XsQN2A== From: Lorenzo Bianconi To: nbd@nbd.name Cc: linux-wireless@vger.kernel.org, lorenzo.bianconi@redhat.com, sean.wang@mediatek.com, deren.wu@mediatek.com, linux-mediatek@lists.infradead.org Subject: [PATCH v5 2/9] mt76: usb: add req_type to ___mt76u_wr signature Date: Mon, 14 Mar 2022 16:10:24 +0100 Message-Id: X-Mailer: git-send-email 2.35.1 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org This is a preliminary patch to add usb support to mt7921 driver. Tested-by: Sean Wang Signed-off-by: Lorenzo Bianconi --- drivers/net/wireless/mediatek/mt76/usb.c | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/usb.c b/drivers/net/wireless/mediatek/mt76/usb.c index 1b0435e0ea33..4b7a816f1b93 100644 --- a/drivers/net/wireless/mediatek/mt76/usb.c +++ b/drivers/net/wireless/mediatek/mt76/usb.c @@ -121,16 +121,14 @@ static u32 mt76u_rr_ext(struct mt76_dev *dev, u32 addr) return ret; } -static void ___mt76u_wr(struct mt76_dev *dev, u8 req, +static void ___mt76u_wr(struct mt76_dev *dev, u8 req, u8 req_type, u32 addr, u32 val) { struct mt76_usb *usb = &dev->usb; put_unaligned_le32(val, usb->data); - __mt76u_vendor_request(dev, req, - USB_DIR_OUT | USB_TYPE_VENDOR, - addr >> 16, addr, usb->data, - sizeof(__le32)); + __mt76u_vendor_request(dev, req, req_type, addr >> 16, + addr, usb->data, sizeof(__le32)); trace_usb_reg_wr(dev, addr, val); } @@ -146,7 +144,8 @@ static void __mt76u_wr(struct mt76_dev *dev, u32 addr, u32 val) req = MT_VEND_MULTI_WRITE; break; } - ___mt76u_wr(dev, req, addr & ~MT_VEND_TYPE_MASK, val); + ___mt76u_wr(dev, req, USB_DIR_OUT | USB_TYPE_VENDOR, + addr & ~MT_VEND_TYPE_MASK, val); } static void mt76u_wr(struct mt76_dev *dev, u32 addr, u32 val) @@ -159,7 +158,8 @@ static void mt76u_wr(struct mt76_dev *dev, u32 addr, u32 val) static void mt76u_wr_ext(struct mt76_dev *dev, u32 addr, u32 val) { mutex_lock(&dev->usb.usb_ctrl_mtx); - ___mt76u_wr(dev, MT_VEND_WRITE_EXT, addr, val); + ___mt76u_wr(dev, MT_VEND_WRITE_EXT, + USB_DIR_OUT | USB_TYPE_VENDOR, addr, val); mutex_unlock(&dev->usb.usb_ctrl_mtx); } @@ -180,7 +180,8 @@ static u32 mt76u_rmw_ext(struct mt76_dev *dev, u32 addr, mutex_lock(&dev->usb.usb_ctrl_mtx); val |= ___mt76u_rr(dev, MT_VEND_READ_EXT, USB_DIR_IN | USB_TYPE_VENDOR, addr) & ~mask; - ___mt76u_wr(dev, MT_VEND_WRITE_EXT, addr, val); + ___mt76u_wr(dev, MT_VEND_WRITE_EXT, + USB_DIR_OUT | USB_TYPE_VENDOR, addr, val); mutex_unlock(&dev->usb.usb_ctrl_mtx); return val; From patchwork Mon Mar 14 15:10:25 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenzo Bianconi X-Patchwork-Id: 551201 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 144A7C433F5 for ; Mon, 14 Mar 2022 15:11:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242464AbiCNPMK (ORCPT ); Mon, 14 Mar 2022 11:12:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58258 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242460AbiCNPMJ (ORCPT ); Mon, 14 Mar 2022 11:12:09 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9BDBA43EF2 for ; Mon, 14 Mar 2022 08:10:59 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 1F22361243 for ; Mon, 14 Mar 2022 15:10:59 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2A13CC340E9; Mon, 14 Mar 2022 15:10:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1647270658; bh=N4jJ5/Y0Wt3L5ipbJ3La8cOmk0ZLQr4EkmoQQFQyvGk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=u/BKBAXWoutLeCW5E4bXxA9Xep0+71TL8V9qp6UKc+ymvkGI7R1IfuJaPw2OnD1tW tCvHZAvyJSTJE9b6amMq0xI+yEMJCwf8OFPsWH4h4NH/+U+zimbN9QPo2Znp3IcxTi ALDzPL16us3YZ6aBTTq+RzyGRcCIl+0DbIMC6sTic+qikaoVFDWnQuLkdC9RGpiZ18 /4i4i/9hNE5MdwGyZX8QMPojFZCrATlkXQZ1meCOUcKkdXla1r+qnXTcZk2XkGQyxq KuucIHJXbPsC1doRlImuoQSNZAYNbWpVcRx0IS4KQiTf1HVpoVPI8fGCtx6ASWG+3x E7/1djrhZCczw== From: Lorenzo Bianconi To: nbd@nbd.name Cc: linux-wireless@vger.kernel.org, lorenzo.bianconi@redhat.com, sean.wang@mediatek.com, deren.wu@mediatek.com, linux-mediatek@lists.infradead.org Subject: [PATCH v5 3/9] mt76: usb: introduce __mt76u_init utility routine Date: Mon, 14 Mar 2022 16:10:25 +0100 Message-Id: <2d55145508308872017f6da3dd8564c53f8c722e.1647270525.git.lorenzo@kernel.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Introduce __mt76u_init unitility routine and move mt7615 usb bus ops into mt7615 module in order to allow specifying driver specific parameter. This is a preliminary patch to add usb support to mt7921 driver. Tested-by: Sean Wang Signed-off-by: Lorenzo Bianconi --- drivers/net/wireless/mediatek/mt76/mt76.h | 12 +- .../net/wireless/mediatek/mt76/mt7615/usb.c | 68 ++++++++++- .../net/wireless/mediatek/mt76/mt76x0/usb.c | 2 +- .../net/wireless/mediatek/mt76/mt76x2/usb.c | 2 +- drivers/net/wireless/mediatek/mt76/usb.c | 112 +++++------------- 5 files changed, 110 insertions(+), 86 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h index 81078be3bd07..882fb5d2517f 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76.h +++ b/drivers/net/wireless/mediatek/mt76/mt76.h @@ -1274,13 +1274,21 @@ mt76u_bulk_msg(struct mt76_dev *dev, void *data, int len, int *actual_len, void mt76_ethtool_worker(struct mt76_ethtool_worker_info *wi, struct mt76_sta_stats *stats); int mt76_skb_adjust_pad(struct sk_buff *skb, int pad); +int __mt76u_vendor_request(struct mt76_dev *dev, u8 req, u8 req_type, + u16 val, u16 offset, void *buf, size_t len); int mt76u_vendor_request(struct mt76_dev *dev, u8 req, u8 req_type, u16 val, u16 offset, void *buf, size_t len); void mt76u_single_wr(struct mt76_dev *dev, const u8 req, const u16 offset, const u32 val); -int mt76u_init(struct mt76_dev *dev, struct usb_interface *intf, - bool ext); +void mt76u_read_copy(struct mt76_dev *dev, u32 offset, + void *data, int len); +u32 ___mt76u_rr(struct mt76_dev *dev, u8 req, u8 req_type, u32 addr); +void ___mt76u_wr(struct mt76_dev *dev, u8 req, u8 req_type, + u32 addr, u32 val); +int __mt76u_init(struct mt76_dev *dev, struct usb_interface *intf, + struct mt76_bus_ops *ops); +int mt76u_init(struct mt76_dev *dev, struct usb_interface *intf); int mt76u_alloc_mcu_queue(struct mt76_dev *dev); int mt76u_alloc_queues(struct mt76_dev *dev); void mt76u_stop_tx(struct mt76_dev *dev); diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/usb.c b/drivers/net/wireless/mediatek/mt76/mt7615/usb.c index aeeba7c72f14..967641aebf5f 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/usb.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/usb.c @@ -21,6 +21,64 @@ static const struct usb_device_id mt7615_device_table[] = { { }, }; +static u32 mt7663u_rr(struct mt76_dev *dev, u32 addr) +{ + u32 ret; + + mutex_lock(&dev->usb.usb_ctrl_mtx); + ret = ___mt76u_rr(dev, MT_VEND_READ_EXT, + USB_DIR_IN | USB_TYPE_VENDOR, addr); + mutex_unlock(&dev->usb.usb_ctrl_mtx); + + return ret; +} + +static void mt7663u_wr(struct mt76_dev *dev, u32 addr, u32 val) +{ + mutex_lock(&dev->usb.usb_ctrl_mtx); + ___mt76u_wr(dev, MT_VEND_WRITE_EXT, + USB_DIR_OUT | USB_TYPE_VENDOR, addr, val); + mutex_unlock(&dev->usb.usb_ctrl_mtx); +} + +static u32 mt7663u_rmw(struct mt76_dev *dev, u32 addr, + u32 mask, u32 val) +{ + mutex_lock(&dev->usb.usb_ctrl_mtx); + val |= ___mt76u_rr(dev, MT_VEND_READ_EXT, + USB_DIR_IN | USB_TYPE_VENDOR, addr) & ~mask; + ___mt76u_wr(dev, MT_VEND_WRITE_EXT, + USB_DIR_OUT | USB_TYPE_VENDOR, addr, val); + mutex_unlock(&dev->usb.usb_ctrl_mtx); + + return val; +} + +static void mt7663u_copy(struct mt76_dev *dev, u32 offset, + const void *data, int len) +{ + struct mt76_usb *usb = &dev->usb; + int ret, i = 0, batch_len; + const u8 *val = data; + + len = round_up(len, 4); + + mutex_lock(&usb->usb_ctrl_mtx); + while (i < len) { + batch_len = min_t(int, usb->data_len, len - i); + memcpy(usb->data, val + i, batch_len); + ret = __mt76u_vendor_request(dev, MT_VEND_WRITE_EXT, + USB_DIR_OUT | USB_TYPE_VENDOR, + (offset + i) >> 16, offset + i, + usb->data, batch_len); + if (ret < 0) + break; + + i += batch_len; + } + mutex_unlock(&usb->usb_ctrl_mtx); +} + static void mt7663u_stop(struct ieee80211_hw *hw) { struct mt7615_phy *phy = mt7615_hw_phy(hw); @@ -66,6 +124,14 @@ static int mt7663u_probe(struct usb_interface *usb_intf, .sta_remove = mt7615_mac_sta_remove, .update_survey = mt7615_update_channel, }; + static struct mt76_bus_ops bus_ops = { + .rr = mt7663u_rr, + .wr = mt7663u_wr, + .rmw = mt7663u_rmw, + .read_copy = mt76u_read_copy, + .write_copy = mt7663u_copy, + .type = MT76_BUS_USB, + }; struct usb_device *udev = interface_to_usbdev(usb_intf); struct ieee80211_ops *ops; struct mt7615_dev *dev; @@ -92,7 +158,7 @@ static int mt7663u_probe(struct usb_interface *usb_intf, INIT_WORK(&dev->mcu_work, mt7663u_init_work); dev->reg_map = mt7663_usb_sdio_reg_map; dev->ops = ops; - ret = mt76u_init(mdev, usb_intf, true); + ret = __mt76u_init(mdev, usb_intf, &bus_ops); if (ret < 0) goto error; diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c b/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c index 436daf6d6d86..0422c332354a 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c @@ -245,7 +245,7 @@ static int mt76x0u_probe(struct usb_interface *usb_intf, usb_set_intfdata(usb_intf, dev); mt76x02u_init_mcu(mdev); - ret = mt76u_init(mdev, usb_intf, false); + ret = mt76u_init(mdev, usb_intf); if (ret) goto err; diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/usb.c b/drivers/net/wireless/mediatek/mt76/mt76x2/usb.c index 2575369e44e2..55068f3252ef 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2/usb.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x2/usb.c @@ -57,7 +57,7 @@ static int mt76x2u_probe(struct usb_interface *intf, usb_set_intfdata(intf, dev); mt76x02u_init_mcu(mdev); - err = mt76u_init(mdev, intf, false); + err = mt76u_init(mdev, intf); if (err < 0) goto err; diff --git a/drivers/net/wireless/mediatek/mt76/usb.c b/drivers/net/wireless/mediatek/mt76/usb.c index 4b7a816f1b93..a85e192c9d59 100644 --- a/drivers/net/wireless/mediatek/mt76/usb.c +++ b/drivers/net/wireless/mediatek/mt76/usb.c @@ -15,9 +15,8 @@ static bool disable_usb_sg; module_param_named(disable_usb_sg, disable_usb_sg, bool, 0644); MODULE_PARM_DESC(disable_usb_sg, "Disable usb scatter-gather support"); -static int __mt76u_vendor_request(struct mt76_dev *dev, u8 req, - u8 req_type, u16 val, u16 offset, - void *buf, size_t len) +int __mt76u_vendor_request(struct mt76_dev *dev, u8 req, u8 req_type, + u16 val, u16 offset, void *buf, size_t len) { struct usb_interface *uintf = to_usb_interface(dev->dev); struct usb_device *udev = interface_to_usbdev(uintf); @@ -45,6 +44,7 @@ static int __mt76u_vendor_request(struct mt76_dev *dev, u8 req, req, offset, ret); return ret; } +EXPORT_SYMBOL_GPL(__mt76u_vendor_request); int mt76u_vendor_request(struct mt76_dev *dev, u8 req, u8 req_type, u16 val, u16 offset, @@ -62,8 +62,7 @@ int mt76u_vendor_request(struct mt76_dev *dev, u8 req, } EXPORT_SYMBOL_GPL(mt76u_vendor_request); -static u32 ___mt76u_rr(struct mt76_dev *dev, u8 req, u8 req_type, - u32 addr) +u32 ___mt76u_rr(struct mt76_dev *dev, u8 req, u8 req_type, u32 addr) { struct mt76_usb *usb = &dev->usb; u32 data = ~0; @@ -77,6 +76,7 @@ static u32 ___mt76u_rr(struct mt76_dev *dev, u8 req, u8 req_type, return data; } +EXPORT_SYMBOL_GPL(___mt76u_rr); static u32 __mt76u_rr(struct mt76_dev *dev, u32 addr) { @@ -109,20 +109,8 @@ static u32 mt76u_rr(struct mt76_dev *dev, u32 addr) return ret; } -static u32 mt76u_rr_ext(struct mt76_dev *dev, u32 addr) -{ - u32 ret; - - mutex_lock(&dev->usb.usb_ctrl_mtx); - ret = ___mt76u_rr(dev, MT_VEND_READ_EXT, - USB_DIR_IN | USB_TYPE_VENDOR, addr); - mutex_unlock(&dev->usb.usb_ctrl_mtx); - - return ret; -} - -static void ___mt76u_wr(struct mt76_dev *dev, u8 req, u8 req_type, - u32 addr, u32 val) +void ___mt76u_wr(struct mt76_dev *dev, u8 req, u8 req_type, + u32 addr, u32 val) { struct mt76_usb *usb = &dev->usb; @@ -131,6 +119,7 @@ static void ___mt76u_wr(struct mt76_dev *dev, u8 req, u8 req_type, addr, usb->data, sizeof(__le32)); trace_usb_reg_wr(dev, addr, val); } +EXPORT_SYMBOL_GPL(___mt76u_wr); static void __mt76u_wr(struct mt76_dev *dev, u32 addr, u32 val) { @@ -155,14 +144,6 @@ static void mt76u_wr(struct mt76_dev *dev, u32 addr, u32 val) mutex_unlock(&dev->usb.usb_ctrl_mtx); } -static void mt76u_wr_ext(struct mt76_dev *dev, u32 addr, u32 val) -{ - mutex_lock(&dev->usb.usb_ctrl_mtx); - ___mt76u_wr(dev, MT_VEND_WRITE_EXT, - USB_DIR_OUT | USB_TYPE_VENDOR, addr, val); - mutex_unlock(&dev->usb.usb_ctrl_mtx); -} - static u32 mt76u_rmw(struct mt76_dev *dev, u32 addr, u32 mask, u32 val) { @@ -174,19 +155,6 @@ static u32 mt76u_rmw(struct mt76_dev *dev, u32 addr, return val; } -static u32 mt76u_rmw_ext(struct mt76_dev *dev, u32 addr, - u32 mask, u32 val) -{ - mutex_lock(&dev->usb.usb_ctrl_mtx); - val |= ___mt76u_rr(dev, MT_VEND_READ_EXT, - USB_DIR_IN | USB_TYPE_VENDOR, addr) & ~mask; - ___mt76u_wr(dev, MT_VEND_WRITE_EXT, - USB_DIR_OUT | USB_TYPE_VENDOR, addr, val); - mutex_unlock(&dev->usb.usb_ctrl_mtx); - - return val; -} - static void mt76u_copy(struct mt76_dev *dev, u32 offset, const void *data, int len) { @@ -219,33 +187,8 @@ static void mt76u_copy(struct mt76_dev *dev, u32 offset, mutex_unlock(&usb->usb_ctrl_mtx); } -static void mt76u_copy_ext(struct mt76_dev *dev, u32 offset, - const void *data, int len) -{ - struct mt76_usb *usb = &dev->usb; - int ret, i = 0, batch_len; - const u8 *val = data; - - len = round_up(len, 4); - mutex_lock(&usb->usb_ctrl_mtx); - while (i < len) { - batch_len = min_t(int, usb->data_len, len - i); - memcpy(usb->data, val + i, batch_len); - ret = __mt76u_vendor_request(dev, MT_VEND_WRITE_EXT, - USB_DIR_OUT | USB_TYPE_VENDOR, - (offset + i) >> 16, offset + i, - usb->data, batch_len); - if (ret < 0) - break; - - i += batch_len; - } - mutex_unlock(&usb->usb_ctrl_mtx); -} - -static void -mt76u_read_copy_ext(struct mt76_dev *dev, u32 offset, - void *data, int len) +void mt76u_read_copy(struct mt76_dev *dev, u32 offset, + void *data, int len) { struct mt76_usb *usb = &dev->usb; int i = 0, batch_len, ret; @@ -267,6 +210,7 @@ mt76u_read_copy_ext(struct mt76_dev *dev, u32 offset, } mutex_unlock(&usb->usb_ctrl_mtx); } +EXPORT_SYMBOL_GPL(mt76u_read_copy); void mt76u_single_wr(struct mt76_dev *dev, const u8 req, const u16 offset, const u32 val) @@ -1115,24 +1059,13 @@ static const struct mt76_queue_ops usb_queue_ops = { .kick = mt76u_tx_kick, }; -int mt76u_init(struct mt76_dev *dev, - struct usb_interface *intf, bool ext) +int __mt76u_init(struct mt76_dev *dev, struct usb_interface *intf, + struct mt76_bus_ops *ops) { - static struct mt76_bus_ops mt76u_ops = { - .read_copy = mt76u_read_copy_ext, - .wr_rp = mt76u_wr_rp, - .rd_rp = mt76u_rd_rp, - .type = MT76_BUS_USB, - }; struct usb_device *udev = interface_to_usbdev(intf); struct mt76_usb *usb = &dev->usb; int err; - mt76u_ops.rr = ext ? mt76u_rr_ext : mt76u_rr; - mt76u_ops.wr = ext ? mt76u_wr_ext : mt76u_wr; - mt76u_ops.rmw = ext ? mt76u_rmw_ext : mt76u_rmw; - mt76u_ops.write_copy = ext ? mt76u_copy_ext : mt76u_copy; - INIT_WORK(&usb->stat_work, mt76u_tx_status_data); usb->data_len = usb_maxpacket(udev, usb_sndctrlpipe(udev, 0), 1); @@ -1144,7 +1077,7 @@ int mt76u_init(struct mt76_dev *dev, return -ENOMEM; mutex_init(&usb->usb_ctrl_mtx); - dev->bus = &mt76u_ops; + dev->bus = ops; dev->queue_ops = &usb_queue_ops; dev_set_drvdata(&udev->dev, dev); @@ -1170,6 +1103,23 @@ int mt76u_init(struct mt76_dev *dev, return 0; } +EXPORT_SYMBOL_GPL(__mt76u_init); + +int mt76u_init(struct mt76_dev *dev, struct usb_interface *intf) +{ + static struct mt76_bus_ops bus_ops = { + .rr = mt76u_rr, + .wr = mt76u_wr, + .rmw = mt76u_rmw, + .read_copy = mt76u_read_copy, + .write_copy = mt76u_copy, + .wr_rp = mt76u_wr_rp, + .rd_rp = mt76u_rd_rp, + .type = MT76_BUS_USB, + }; + + return __mt76u_init(dev, intf, &bus_ops); +} EXPORT_SYMBOL_GPL(mt76u_init); MODULE_AUTHOR("Lorenzo Bianconi "); From patchwork Mon Mar 14 15:10:26 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenzo Bianconi X-Patchwork-Id: 551200 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 37F66C433F5 for ; Mon, 14 Mar 2022 15:11:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242468AbiCNPMO (ORCPT ); Mon, 14 Mar 2022 11:12:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58344 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242466AbiCNPMN (ORCPT ); Mon, 14 Mar 2022 11:12:13 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 390B343EFD for ; Mon, 14 Mar 2022 08:11:03 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id B01CFB80E4F for ; Mon, 14 Mar 2022 15:11:01 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 011FFC340EC; Mon, 14 Mar 2022 15:10:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1647270660; bh=7adOgiLt2r66OQbWnreCRQ/NSVnIjZDWQcWzyT/CjsI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=a0qAPwQpAIOtXfR2FwdY0TWgTA/TsPATsLx+GwF6VIeu/HFvke9Tyw8DGTHjx7kdB A6wSK9aUKJ9p2PFWVlyxnGyAd6XRefj8kDeSvxy+Oa4c6+65o0RR9wm8xDhOB5OqOW 98X33/xu87GCgK9WNtHSDnEZ2PGssKNCAxRDqKVi5z2AUwoT7Pmo3CSIjI2PapKRmC hPHlNlh/2yTbepoElpvLvdf/zMMsIgyD1pWaw/dw9v0VBTkAasN5+aSvL85LAxbbv6 4yQCS33/TgY2J8C+bDfPgCv67uly1Gv8SyT44evzZrDZXBopQ91TpzFoiNZDgQG7nw c4NTVzSA/vMiQ== From: Lorenzo Bianconi To: nbd@nbd.name Cc: linux-wireless@vger.kernel.org, lorenzo.bianconi@redhat.com, sean.wang@mediatek.com, deren.wu@mediatek.com, linux-mediatek@lists.infradead.org Subject: [PATCH v5 4/9] mt76: mt7921: disable runtime pm for usb Date: Mon, 14 Mar 2022 16:10:26 +0100 Message-Id: <6c640dbe40924f03484164d5c3d272fe114dd6d3.1647270525.git.lorenzo@kernel.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Runtime-pm is not currently supported by usb driver Tested-by: Sean Wang Signed-off-by: Lorenzo Bianconi --- drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c | 6 ++++++ drivers/net/wireless/mediatek/mt76/mt7921/init.c | 10 ++++++---- 2 files changed, 12 insertions(+), 4 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c index 32004b55a360..bce76417f95d 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c @@ -267,6 +267,9 @@ mt7921_pm_set(void *data, u64 val) struct mt7921_dev *dev = data; struct mt76_connac_pm *pm = &dev->pm; + if (mt76_is_usb(&dev->mt76)) + return -EOPNOTSUPP; + mutex_lock(&dev->mt76.mutex); if (val == pm->enable_user) @@ -311,6 +314,9 @@ mt7921_deep_sleep_set(void *data, u64 val) bool monitor = !!(dev->mphy.hw->conf.flags & IEEE80211_CONF_MONITOR); bool enable = !!val; + if (mt76_is_usb(&dev->mt76)) + return -EOPNOTSUPP; + mt7921_mutex_acquire(dev); if (pm->ds_enable_user == enable) goto out; diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/init.c b/drivers/net/wireless/mediatek/mt76/mt7921/init.c index fa6af85bba7b..54f51e7b48a0 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/init.c @@ -226,10 +226,12 @@ int mt7921_register_device(struct mt7921_dev *dev) dev->pm.idle_timeout = MT7921_PM_TIMEOUT; dev->pm.stats.last_wake_event = jiffies; dev->pm.stats.last_doze_event = jiffies; - dev->pm.enable_user = true; - dev->pm.enable = true; - dev->pm.ds_enable_user = true; - dev->pm.ds_enable = true; + if (!mt76_is_usb(&dev->mt76)) { + dev->pm.enable_user = true; + dev->pm.enable = true; + dev->pm.ds_enable_user = true; + dev->pm.ds_enable = true; + } if (mt76_is_sdio(&dev->mt76)) hw->extra_tx_headroom += MT_SDIO_TXD_SIZE + MT_SDIO_HDR_SIZE; From patchwork Mon Mar 14 15:10:27 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenzo Bianconi X-Patchwork-Id: 552160 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 189ABC433FE for ; Mon, 14 Mar 2022 15:11:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242470AbiCNPMR (ORCPT ); Mon, 14 Mar 2022 11:12:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58388 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242461AbiCNPMQ (ORCPT ); Mon, 14 Mar 2022 11:12:16 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B08A33DA54 for ; Mon, 14 Mar 2022 08:11:04 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 692D7B80E3A for ; Mon, 14 Mar 2022 15:11:03 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id CD1ACC340E9; Mon, 14 Mar 2022 15:11:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1647270662; bh=6PqyvEpDGdQwCIdnOM75LKbtUgv3RoWLdpaRNbFBCJQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YCen2aY1XrBAlF90pjwcx3WdOkSyV3hO/1reuU8+Evt5nuHdtmE5R1ZuXjRVIpL1y FjDeGkok6UCF2AEo0JnjxvIJ+kq45dQi69ReKahIu1GZK61E9DrrkqcCSVQ4qQAk6d cPjWKV2vWS/OFxyOd2h2h1it/Q9fYvEY9y+s8FMmCfAIxjioDdA22IpXhVJs0JA107 InLw/m/JdgsEejDdAtAAcXXOMnkJZrhxQeryRylx49a6u+8niHXp/2MUW3smhjuapi /HjI3Xb0NdjVpadn7kSCuGN10/lVlRVacVcUp/fGry5eUoGtev6M8kgDdQqqHKeo9k gmdSzWO5FowxQ== From: Lorenzo Bianconi To: nbd@nbd.name Cc: linux-wireless@vger.kernel.org, lorenzo.bianconi@redhat.com, sean.wang@mediatek.com, deren.wu@mediatek.com, linux-mediatek@lists.infradead.org Subject: [PATCH v5 5/9] mt76: mt7921: update mt7921_skb_add_usb_sdio_hdr to support usb Date: Mon, 14 Mar 2022 16:10:27 +0100 Message-Id: <7fba633e6dc95b09eff8446f8254b11ee64d32ed.1647270525.git.lorenzo@kernel.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org This is a preliminary patch to add mt7921u driver support. Tested-by: Sean Wang Signed-off-by: Lorenzo Bianconi --- drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h | 10 ++++++---- drivers/net/wireless/mediatek/mt76/mt7921/sdio_mac.c | 2 +- drivers/net/wireless/mediatek/mt76/mt7921/sdio_mcu.c | 2 +- 3 files changed, 8 insertions(+), 6 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h index 3952247659fa..39ad75af988c 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h @@ -352,12 +352,14 @@ static inline void mt7921_mcu_tx_cleanup(struct mt7921_dev *dev) mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[MT_MCUQ_WA], false); } -static inline void mt7921_skb_add_sdio_hdr(struct sk_buff *skb, - enum mt7921_sdio_pkt_type type) +static inline void +mt7921_skb_add_usb_sdio_hdr(struct mt7921_dev *dev, struct sk_buff *skb, + int type) { - u32 hdr; + u32 hdr, len; - hdr = FIELD_PREP(MT7921_SDIO_HDR_TX_BYTES, skb->len + sizeof(hdr)) | + len = mt76_is_usb(&dev->mt76) ? skb->len : skb->len + sizeof(hdr); + hdr = FIELD_PREP(MT7921_SDIO_HDR_TX_BYTES, len) | FIELD_PREP(MT7921_SDIO_HDR_PKT_TYPE, type); put_unaligned_le32(hdr, skb_push(skb, sizeof(hdr))); diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mac.c index 09bcabd6cb8a..248d3f3cdb08 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mac.c @@ -183,7 +183,7 @@ int mt7921s_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr, pktid = mt76_tx_status_skb_add(&dev->mt76, wcid, skb); mt7921s_write_txwi(dev, wcid, qid, sta, key, pktid, skb); - mt7921_skb_add_sdio_hdr(skb, MT7921_SDIO_DATA); + mt7921_skb_add_usb_sdio_hdr(dev, skb, MT7921_SDIO_DATA); pad = round_up(skb->len, 4) - skb->len; err = mt76_skb_adjust_pad(skb, pad); diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mcu.c b/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mcu.c index 5d8af18c7026..54a5c712a3c3 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mcu.c @@ -36,7 +36,7 @@ mt7921s_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb, if (cmd == MCU_CMD(FW_SCATTER)) type = MT7921_SDIO_FWDL; - mt7921_skb_add_sdio_hdr(skb, type); + mt7921_skb_add_usb_sdio_hdr(dev, skb, type); pad = round_up(skb->len, 4) - skb->len; __skb_put_zero(skb, pad); From patchwork Mon Mar 14 15:10:28 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenzo Bianconi X-Patchwork-Id: 551199 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 375BCC433F5 for ; Mon, 14 Mar 2022 15:11:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242480AbiCNPMT (ORCPT ); Mon, 14 Mar 2022 11:12:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58420 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242473AbiCNPMR (ORCPT ); Mon, 14 Mar 2022 11:12:17 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 686F843EFD for ; Mon, 14 Mar 2022 08:11:05 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 9F13A6122E for ; Mon, 14 Mar 2022 15:11:04 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A3299C340EC; Mon, 14 Mar 2022 15:11:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1647270664; bh=pomHZCI1jTvGq81oYz6HEuxGrxQdT2oYPA4Rpcrpg7Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=TfDxXcyidcTSg9Ldz967S6vUZQYEpXy5dtNLq49bXtjBc6pxsVqjlDy+wjEBrNwVq rG5p5kE77F5IQ9cW/shUJCfBFQoeiwqMqA5/jpKkkuUzW1gklR4zHCw78f1qXFSmPh 3ZWBQOJrfosLH7sbo44VzD7Sv49hy7yGzpp5DSuWcS4C6QBTZ+818F0q88cYX9Kh62 bGE7OhQzFqBMrfa2e7FvTrDRnAkJIrRiRHPgTiXetwDtAHWWGEvLn/E2EuaBCRf8eL hbvvQkAXr4i3FZEfDuFZkjckOZsjzjymcu9Vdq95YIq6Ajysfnl1ympN6rOS6Gci63 02FH7dKi0CMNQ== From: Lorenzo Bianconi To: nbd@nbd.name Cc: linux-wireless@vger.kernel.org, lorenzo.bianconi@redhat.com, sean.wang@mediatek.com, deren.wu@mediatek.com, linux-mediatek@lists.infradead.org Subject: [PATCH v5 6/9] mt76: mt7921: move mt7921_usb_sdio_tx_prepare_skb in common mac code Date: Mon, 14 Mar 2022 16:10:28 +0100 Message-Id: X-Mailer: git-send-email 2.35.1 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org This is a preliminary patch to add mt7921u driver support. Tested-by: Sean Wang Signed-off-by: Lorenzo Bianconi --- .../net/wireless/mediatek/mt76/mt7921/mac.c | 58 +++++++++++++++++++ .../wireless/mediatek/mt76/mt7921/mt7921.h | 9 +-- .../net/wireless/mediatek/mt76/mt7921/sdio.c | 2 +- .../wireless/mediatek/mt76/mt7921/sdio_mac.c | 53 ----------------- 4 files changed, 64 insertions(+), 58 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c index 8bd8b4fe1047..dd1a241c45d6 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c @@ -1622,3 +1622,61 @@ void mt7921_coredump_work(struct work_struct *work) mt7921_reset(&dev->mt76); } + +/* usb_sdio */ +static void +mt7921_usb_sdio_write_txwi(struct mt7921_dev *dev, struct mt76_wcid *wcid, + enum mt76_txq_id qid, struct ieee80211_sta *sta, + struct ieee80211_key_conf *key, int pid, + struct sk_buff *skb) +{ + __le32 *txwi = (__le32 *)(skb->data - MT_SDIO_TXD_SIZE); + + memset(txwi, 0, MT_SDIO_TXD_SIZE); + mt7921_mac_write_txwi(dev, txwi, skb, wcid, key, pid, false); + skb_push(skb, MT_SDIO_TXD_SIZE); +} + +int mt7921_usb_sdio_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 sk_buff *skb = tx_info->skb; + int err, pad, pktid, type; + + if (unlikely(tx_info->skb->len <= ETH_HLEN)) + return -EINVAL; + + if (!wcid) + wcid = &dev->mt76.global_wcid; + + if (sta) { + struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; + + if (time_after(jiffies, msta->last_txs + HZ / 4)) { + info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS; + msta->last_txs = jiffies; + } + } + + pktid = mt76_tx_status_skb_add(&dev->mt76, wcid, skb); + mt7921_usb_sdio_write_txwi(dev, wcid, qid, sta, key, pktid, skb); + + type = mt76_is_sdio(mdev) ? MT7921_SDIO_DATA : 0; + mt7921_skb_add_usb_sdio_hdr(dev, skb, type); + pad = round_up(skb->len, 4) - skb->len; + if (mt76_is_usb(mdev)) + pad += 4; + + err = mt76_skb_adjust_pad(skb, pad); + if (err) + /* Release pktid in case of error. */ + idr_remove(&wcid->pktid, pktid); + + return err; +} +EXPORT_SYMBOL_GPL(mt7921_usb_sdio_tx_prepare_skb); diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h index 39ad75af988c..06db3e1f39a2 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h @@ -444,14 +444,15 @@ int mt7921e_mcu_fw_pmctrl(struct mt7921_dev *dev); int mt7921s_mcu_init(struct mt7921_dev *dev); int mt7921s_mcu_drv_pmctrl(struct mt7921_dev *dev); int mt7921s_mcu_fw_pmctrl(struct mt7921_dev *dev); -int mt7921s_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 mt7921s_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue_entry *e); bool mt7921s_tx_status_data(struct mt76_dev *mdev, u8 *update); void mt7921_mac_add_txs(struct mt7921_dev *dev, void *data); void mt7921_set_runtime_pm(struct mt7921_dev *dev); int mt7921_mcu_set_sniffer(struct mt7921_dev *dev, struct ieee80211_vif *vif, bool enable); + +int mt7921_usb_sdio_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); #endif diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/sdio.c b/drivers/net/wireless/mediatek/mt76/mt7921/sdio.c index a6ae29c97e0e..fc6499640a1c 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/sdio.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/sdio.c @@ -91,7 +91,7 @@ static int mt7921s_probe(struct sdio_func *func, .survey_flags = SURVEY_INFO_TIME_TX | SURVEY_INFO_TIME_RX | SURVEY_INFO_TIME_BSS_RX, - .tx_prepare_skb = mt7921s_tx_prepare_skb, + .tx_prepare_skb = mt7921_usb_sdio_tx_prepare_skb, .tx_complete_skb = mt7921s_tx_complete_skb, .tx_status_data = mt7921s_tx_status_data, .rx_skb = mt7921_queue_rx_skb, diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mac.c index 248d3f3cdb08..d741a58c1260 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mac.c @@ -141,59 +141,6 @@ int mt7921s_mac_reset(struct mt7921_dev *dev) return err; } -static void -mt7921s_write_txwi(struct mt7921_dev *dev, struct mt76_wcid *wcid, - enum mt76_txq_id qid, struct ieee80211_sta *sta, - struct ieee80211_key_conf *key, int pid, - struct sk_buff *skb) -{ - __le32 *txwi = (__le32 *)(skb->data - MT_SDIO_TXD_SIZE); - - memset(txwi, 0, MT_SDIO_TXD_SIZE); - mt7921_mac_write_txwi(dev, txwi, skb, wcid, key, pid, false); - skb_push(skb, MT_SDIO_TXD_SIZE); -} - -int mt7921s_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 sk_buff *skb = tx_info->skb; - int err, pad, pktid; - - if (unlikely(tx_info->skb->len <= ETH_HLEN)) - return -EINVAL; - - if (!wcid) - wcid = &dev->mt76.global_wcid; - - if (sta) { - struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; - - if (time_after(jiffies, msta->last_txs + HZ / 4)) { - info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS; - msta->last_txs = jiffies; - } - } - - pktid = mt76_tx_status_skb_add(&dev->mt76, wcid, skb); - mt7921s_write_txwi(dev, wcid, qid, sta, key, pktid, skb); - - mt7921_skb_add_usb_sdio_hdr(dev, skb, MT7921_SDIO_DATA); - pad = round_up(skb->len, 4) - skb->len; - - err = mt76_skb_adjust_pad(skb, pad); - if (err) - /* Release pktid in case of error. */ - idr_remove(&wcid->pktid, pktid); - - return err; -} - void mt7921s_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue_entry *e) { __le32 *txwi = (__le32 *)(e->skb->data + MT_SDIO_HDR_SIZE); From patchwork Mon Mar 14 15:10:29 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenzo Bianconi X-Patchwork-Id: 552159 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 425CAC433FE for ; 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d=kernel.org; s=k20201202; t=1647270665; bh=TjFXY1PLMPmn45MMd18YrVcpeBIXkMa96WVOBZ+EbpU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=eIYBuSGpiCRGmtuNLCE5deX66pASzqQqVgU2UpjGlVy/3nZMlUVC7PDyavgiDDJSu zCdUOrSgW+0Bk/iGgHQCdRL5mhj5uuIkq1C5W2L0xIpG1ACqvEqD38acPL9XUHB5rp gROehZGBEhk7NcIxJbZOglZsUGXEvibENsgx19nh7O76LrqEe90Sb2XRZPyY79nL1k 5Ztb2DKfbxGVHhPpi+AdtrRx2w7wWYKwKMSHjiZ5XuBkJ5rclQAyikLEc8QLQkoPUn E7PMn2k3RcwXdFYtgu0Gw2pd5urYi5iTv3V12Zh+Cmi3w6RrTgKchZcNkDzONw7s+T 2w9WqQufEtdsQ== From: Lorenzo Bianconi To: nbd@nbd.name Cc: linux-wireless@vger.kernel.org, lorenzo.bianconi@redhat.com, sean.wang@mediatek.com, deren.wu@mediatek.com, linux-mediatek@lists.infradead.org Subject: [PATCH v5 7/9] mt76: mt7921: move mt7921_usb_sdio_tx_complete_skb in common mac code. Date: Mon, 14 Mar 2022 16:10:29 +0100 Message-Id: <2aff0517bb4ca03cc3a88b24f8b5808fb551953e.1647270525.git.lorenzo@kernel.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org This is a preliminary patch to add mt7921u driver support. Tested-by: Sean Wang Signed-off-by: Lorenzo Bianconi --- .../net/wireless/mediatek/mt76/mt7921/mac.c | 21 +++++++++++++++++++ .../wireless/mediatek/mt76/mt7921/mt7921.h | 3 ++- .../net/wireless/mediatek/mt76/mt7921/sdio.c | 2 +- .../wireless/mediatek/mt76/mt7921/sdio_mac.c | 19 ----------------- 4 files changed, 24 insertions(+), 21 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c index dd1a241c45d6..0c1b65653102 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c @@ -1680,3 +1680,24 @@ int mt7921_usb_sdio_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr, return err; } EXPORT_SYMBOL_GPL(mt7921_usb_sdio_tx_prepare_skb); + +void mt7921_usb_sdio_tx_complete_skb(struct mt76_dev *mdev, + struct mt76_queue_entry *e) +{ + __le32 *txwi = (__le32 *)(e->skb->data + MT_SDIO_HDR_SIZE); + unsigned int headroom = MT_SDIO_TXD_SIZE + MT_SDIO_HDR_SIZE; + struct ieee80211_sta *sta; + struct mt76_wcid *wcid; + u16 idx; + + idx = le32_get_bits(txwi[1], MT_TXD1_WLAN_IDX); + wcid = rcu_dereference(mdev->wcid[idx]); + sta = wcid_to_sta(wcid); + + if (sta && likely(e->skb->protocol != cpu_to_be16(ETH_P_PAE))) + mt7921_tx_check_aggr(sta, txwi); + + skb_pull(e->skb, headroom); + mt76_tx_complete_skb(mdev, e->wcid, e->skb); +} +EXPORT_SYMBOL_GPL(mt7921_usb_sdio_tx_complete_skb); diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h index 06db3e1f39a2..32b77fe49abd 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h @@ -444,7 +444,6 @@ int mt7921e_mcu_fw_pmctrl(struct mt7921_dev *dev); int mt7921s_mcu_init(struct mt7921_dev *dev); int mt7921s_mcu_drv_pmctrl(struct mt7921_dev *dev); int mt7921s_mcu_fw_pmctrl(struct mt7921_dev *dev); -void mt7921s_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue_entry *e); bool mt7921s_tx_status_data(struct mt76_dev *mdev, u8 *update); void mt7921_mac_add_txs(struct mt7921_dev *dev, void *data); void mt7921_set_runtime_pm(struct mt7921_dev *dev); @@ -455,4 +454,6 @@ int mt7921_usb_sdio_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_usb_sdio_tx_complete_skb(struct mt76_dev *mdev, + struct mt76_queue_entry *e); #endif diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/sdio.c b/drivers/net/wireless/mediatek/mt76/mt7921/sdio.c index fc6499640a1c..507bd550b063 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/sdio.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/sdio.c @@ -92,7 +92,7 @@ static int mt7921s_probe(struct sdio_func *func, SURVEY_INFO_TIME_RX | SURVEY_INFO_TIME_BSS_RX, .tx_prepare_skb = mt7921_usb_sdio_tx_prepare_skb, - .tx_complete_skb = mt7921s_tx_complete_skb, + .tx_complete_skb = mt7921_usb_sdio_tx_complete_skb, .tx_status_data = mt7921s_tx_status_data, .rx_skb = mt7921_queue_rx_skb, .sta_ps = mt7921_sta_ps, diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mac.c index d741a58c1260..fa9db21bb3e8 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mac.c @@ -141,25 +141,6 @@ int mt7921s_mac_reset(struct mt7921_dev *dev) return err; } -void mt7921s_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue_entry *e) -{ - __le32 *txwi = (__le32 *)(e->skb->data + MT_SDIO_HDR_SIZE); - unsigned int headroom = MT_SDIO_TXD_SIZE + MT_SDIO_HDR_SIZE; - struct ieee80211_sta *sta; - struct mt76_wcid *wcid; - u16 idx; - - idx = le32_get_bits(txwi[1], MT_TXD1_WLAN_IDX); - wcid = rcu_dereference(mdev->wcid[idx]); - sta = wcid_to_sta(wcid); - - if (sta && likely(e->skb->protocol != cpu_to_be16(ETH_P_PAE))) - mt7921_tx_check_aggr(sta, txwi); - - skb_pull(e->skb, headroom); - mt76_tx_complete_skb(mdev, e->wcid, e->skb); -} - bool mt7921s_tx_status_data(struct mt76_dev *mdev, u8 *update) { struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); From patchwork Mon Mar 14 15:10:30 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenzo Bianconi X-Patchwork-Id: 551198 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E59E4C433F5 for ; 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d=kernel.org; s=k20201202; t=1647270667; bh=s3xRTfbrH8vtStvqYR1zB8PSsipXAPrSQeVn1wGyZPM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=NhrujJgwlhvtl/AEZQuRFWIkGaMtaR/mxD8pi4lvPvhWNW4u+rizdQyB65py1qfV+ lgGKwmNXNL7fYdz5Cimwrn53c5ulLadjFreUXfKh60YzYH24Bi2ExeZFTV2pGDFuX7 Wi0EYgHntS/FdmJyMaYGQeQaqDaBLXWwdXft5eDsdEUiXbmGUJ9MNAxRXdjKtOL6jh FG9xc48u1/YZYp1qM7SHsp8J+6K/e0F5ihk+RZnrWC3GrOE3LIoERCO1pvwQmfuB9h 6CG55fsqM3rY8NMEAlpFxr94Fj3UaOm+s99tl24WZKdc8cQWzIiCVVTz5P70oZVVtL wcpn5j2GBBnmA== From: Lorenzo Bianconi To: nbd@nbd.name Cc: linux-wireless@vger.kernel.org, lorenzo.bianconi@redhat.com, sean.wang@mediatek.com, deren.wu@mediatek.com, linux-mediatek@lists.infradead.org Subject: [PATCH v5 8/9] mt76: mt7921: move mt7921_usb_sdio_tx_status_data in mac common code. Date: Mon, 14 Mar 2022 16:10:30 +0100 Message-Id: X-Mailer: git-send-email 2.35.1 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org This is a preliminary patch to add mt7921u driver support. Tested-by: Sean Wang Signed-off-by: Lorenzo Bianconi --- drivers/net/wireless/mediatek/mt76/mt7921/mac.c | 12 ++++++++++++ drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h | 2 +- drivers/net/wireless/mediatek/mt76/mt7921/sdio.c | 2 +- drivers/net/wireless/mediatek/mt76/mt7921/sdio_mac.c | 11 ----------- 4 files changed, 14 insertions(+), 13 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c index 0c1b65653102..263ac62d88b7 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c @@ -1701,3 +1701,15 @@ void mt7921_usb_sdio_tx_complete_skb(struct mt76_dev *mdev, mt76_tx_complete_skb(mdev, e->wcid, e->skb); } EXPORT_SYMBOL_GPL(mt7921_usb_sdio_tx_complete_skb); + +bool mt7921_usb_sdio_tx_status_data(struct mt76_dev *mdev, u8 *update) +{ + struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); + + mt7921_mutex_acquire(dev); + mt7921_mac_sta_poll(dev); + mt7921_mutex_release(dev); + + return false; +} +EXPORT_SYMBOL_GPL(mt7921_usb_sdio_tx_status_data); diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h index 32b77fe49abd..e0d67756673f 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h @@ -444,7 +444,6 @@ int mt7921e_mcu_fw_pmctrl(struct mt7921_dev *dev); int mt7921s_mcu_init(struct mt7921_dev *dev); int mt7921s_mcu_drv_pmctrl(struct mt7921_dev *dev); int mt7921s_mcu_fw_pmctrl(struct mt7921_dev *dev); -bool mt7921s_tx_status_data(struct mt76_dev *mdev, u8 *update); void mt7921_mac_add_txs(struct mt7921_dev *dev, void *data); void mt7921_set_runtime_pm(struct mt7921_dev *dev); int mt7921_mcu_set_sniffer(struct mt7921_dev *dev, struct ieee80211_vif *vif, @@ -456,4 +455,5 @@ int mt7921_usb_sdio_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr, struct mt76_tx_info *tx_info); void mt7921_usb_sdio_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue_entry *e); +bool mt7921_usb_sdio_tx_status_data(struct mt76_dev *mdev, u8 *update); #endif diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/sdio.c b/drivers/net/wireless/mediatek/mt76/mt7921/sdio.c index 507bd550b063..9b2bc0b11492 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/sdio.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/sdio.c @@ -93,7 +93,7 @@ static int mt7921s_probe(struct sdio_func *func, SURVEY_INFO_TIME_BSS_RX, .tx_prepare_skb = mt7921_usb_sdio_tx_prepare_skb, .tx_complete_skb = mt7921_usb_sdio_tx_complete_skb, - .tx_status_data = mt7921s_tx_status_data, + .tx_status_data = mt7921_usb_sdio_tx_status_data, .rx_skb = mt7921_queue_rx_skb, .sta_ps = mt7921_sta_ps, .sta_add = mt7921_mac_sta_add, diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mac.c index fa9db21bb3e8..1b3adb3d91e8 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mac.c @@ -140,14 +140,3 @@ int mt7921s_mac_reset(struct mt7921_dev *dev) return err; } - -bool mt7921s_tx_status_data(struct mt76_dev *mdev, u8 *update) -{ - struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); - - mt7921_mutex_acquire(dev); - mt7921_mac_sta_poll(dev); - mt7921_mutex_release(dev); - - return false; -} From patchwork Mon Mar 14 15:10:31 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenzo Bianconi X-Patchwork-Id: 552158 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 660FAC433EF for ; Mon, 14 Mar 2022 15:11:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242475AbiCNPMa (ORCPT ); Mon, 14 Mar 2022 11:12:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58660 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242477AbiCNPM2 (ORCPT ); Mon, 14 Mar 2022 11:12:28 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B7E1143EFF for ; Mon, 14 Mar 2022 08:11:12 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 34415B80E44 for ; Mon, 14 Mar 2022 15:11:11 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2A722C340EE; Mon, 14 Mar 2022 15:11:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1647270669; bh=oqwAzymu9BefNnfGTtLOsPgfMk019kxmoCsXDEfAHSY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ONSzParbHxuvlnr2q9MWAdp96XKyISiZU4uOvWgvxlnh/oP7WBPC9iCV1GWDWGwzS FTtwR/QQMqrl2BedZOa/BHH/5+B48PMEYjkfYwPAy4l1wAtN6jsBSoshz0wBgxcH7H Ix8zGJd1Oiy9iKvolYw5gPo906Bc8uN+a/nkRBXcmyCIKBbEZEdmWpThg61XbDeBpK W1Djqr4R6lAkxy1p5lvsVPkKqgThSax5U/GKX7bRhjK68KS6wvHgCJOmtywK90Rlw6 NEov8AzOXU/x2sdjAt5Bha+Zur6gy4cys1kijQEVHlUzQXBARj567rBL7xwPxi1Ko4 9bp2+AA2/zocQ== From: Lorenzo Bianconi To: nbd@nbd.name Cc: linux-wireless@vger.kernel.org, lorenzo.bianconi@redhat.com, sean.wang@mediatek.com, deren.wu@mediatek.com, linux-mediatek@lists.infradead.org Subject: [PATCH v5 9/9] mt76: mt7921: add mt7921u driver Date: Mon, 14 Mar 2022 16:10:31 +0100 Message-Id: X-Mailer: git-send-email 2.35.1 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Introduce support for MT7921U 802.11ax 2x2:2SS wireless devices. Tested-by: Sean Wang Tested-by: Deren Wu Signed-off-by: Lorenzo Bianconi --- .../net/wireless/mediatek/mt76/mt7921/Kconfig | 11 + .../wireless/mediatek/mt76/mt7921/Makefile | 2 + .../net/wireless/mediatek/mt76/mt7921/init.c | 2 +- .../net/wireless/mediatek/mt76/mt7921/mac.h | 1 + .../net/wireless/mediatek/mt76/mt7921/main.c | 3 +- .../wireless/mediatek/mt76/mt7921/mt7921.h | 12 + .../net/wireless/mediatek/mt76/mt7921/regs.h | 50 ++- .../net/wireless/mediatek/mt76/mt7921/usb.c | 305 ++++++++++++++++++ .../wireless/mediatek/mt76/mt7921/usb_mac.c | 252 +++++++++++++++ 9 files changed, 635 insertions(+), 3 deletions(-) create mode 100644 drivers/net/wireless/mediatek/mt76/mt7921/usb.c create mode 100644 drivers/net/wireless/mediatek/mt76/mt7921/usb_mac.c diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/Kconfig b/drivers/net/wireless/mediatek/mt76/mt7921/Kconfig index 71154fc2a87c..adff2d7350b5 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/Kconfig +++ b/drivers/net/wireless/mediatek/mt76/mt7921/Kconfig @@ -24,3 +24,14 @@ config MT7921S This adds support for MT7921S 802.11ax 2x2:2SS wireless devices. To compile this driver as a module, choose M here. + +config MT7921U + tristate "MediaTek MT7921U (USB) support" + select MT76_USB + select MT7921_COMMON + depends on MAC80211 + depends on USB + help + This adds support for MT7921U 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 index 1187acedfeda..0a146818c623 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/Makefile +++ b/drivers/net/wireless/mediatek/mt76/mt7921/Makefile @@ -3,6 +3,7 @@ obj-$(CONFIG_MT7921_COMMON) += mt7921-common.o obj-$(CONFIG_MT7921E) += mt7921e.o obj-$(CONFIG_MT7921S) += mt7921s.o +obj-$(CONFIG_MT7921U) += mt7921u.o CFLAGS_trace.o := -I$(src) @@ -10,3 +11,4 @@ mt7921-common-y := mac.o mcu.o main.o init.o debugfs.o trace.o mt7921-common-$(CONFIG_NL80211_TESTMODE) += testmode.o mt7921e-y := pci.o pci_mac.o pci_mcu.o dma.o mt7921s-y := sdio.o sdio_mac.o sdio_mcu.o +mt7921u-y := usb.o usb_mac.o diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/init.c b/drivers/net/wireless/mediatek/mt76/mt7921/init.c index 54f51e7b48a0..ceb22653e4bb 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/init.c @@ -233,7 +233,7 @@ int mt7921_register_device(struct mt7921_dev *dev) dev->pm.ds_enable = true; } - if (mt76_is_sdio(&dev->mt76)) + if (!mt76_is_mmio(&dev->mt76)) hw->extra_tx_headroom += MT_SDIO_TXD_SIZE + MT_SDIO_HDR_SIZE; ret = mt7921_init_hardware(dev); diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mac.h b/drivers/net/wireless/mediatek/mt76/mt7921/mac.h index 12e1cf8abe6e..79447e2d0143 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/mac.h +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mac.h @@ -202,6 +202,7 @@ enum tx_mcu_port_q_idx { #define MT_SDIO_TXD_SIZE (MT_TXD_SIZE + 8 * 4) #define MT_SDIO_TAIL_SIZE 8 #define MT_SDIO_HDR_SIZE 4 +#define MT_USB_TAIL_SIZE 4 #define MT_TXD0_Q_IDX GENMASK(31, 25) #define MT_TXD0_PKT_FMT GENMASK(24, 23) diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/main.c b/drivers/net/wireless/mediatek/mt76/mt7921/main.c index e5dcf1615f17..3a16a966d9d3 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/main.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/main.c @@ -264,7 +264,7 @@ static int mt7921_start(struct ieee80211_hw *hw) return err; } -static void mt7921_stop(struct ieee80211_hw *hw) +void mt7921_stop(struct ieee80211_hw *hw) { struct mt7921_dev *dev = mt7921_hw_dev(hw); struct mt7921_phy *phy = mt7921_hw_phy(hw); @@ -281,6 +281,7 @@ static void mt7921_stop(struct ieee80211_hw *hw) mt76_connac_mcu_set_mac_enable(&dev->mt76, 0, false, false); mt7921_mutex_release(dev); } +EXPORT_SYMBOL_GPL(mt7921_stop); static int mt7921_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h index e0d67756673f..1ea781429d49 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h @@ -30,6 +30,7 @@ #define MT7921_DRV_OWN_RETRY_COUNT 10 #define MT7921_MCU_INIT_RETRY_COUNT 10 +#define MT7921_WFSYS_INIT_RETRY_COUNT 2 #define MT7921_FIRMWARE_WM "mediatek/WIFI_RAM_CODE_MT7961_1.bin" #define MT7921_ROM_PATCH "mediatek/WIFI_MT7961_patch_mcu_1_2_hdr.bin" @@ -365,6 +366,7 @@ mt7921_skb_add_usb_sdio_hdr(struct mt7921_dev *dev, struct sk_buff *skb, put_unaligned_le32(hdr, skb_push(skb, sizeof(hdr))); } +void mt7921_stop(struct ieee80211_hw *hw); int mt7921_mac_init(struct mt7921_dev *dev); bool mt7921_mac_wtbl_update(struct mt7921_dev *dev, int idx, u32 mask); void mt7921_mac_reset_counters(struct mt7921_phy *phy); @@ -456,4 +458,14 @@ int mt7921_usb_sdio_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr, void mt7921_usb_sdio_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue_entry *e); bool mt7921_usb_sdio_tx_status_data(struct mt76_dev *mdev, u8 *update); + +/* usb */ +#define MT_USB_TYPE_VENDOR (USB_TYPE_VENDOR | 0x1f) +#define MT_USB_TYPE_UHW_VENDOR (USB_TYPE_VENDOR | 0x1e) + +int mt7921u_mcu_power_on(struct mt7921_dev *dev); +int mt7921u_wfsys_reset(struct mt7921_dev *dev); +int mt7921u_dma_init(struct mt7921_dev *dev); +int mt7921u_init_reset(struct mt7921_dev *dev); +int mt7921u_mac_reset(struct mt7921_dev *dev); #endif diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/regs.h b/drivers/net/wireless/mediatek/mt76/mt7921/regs.h index 33578e0dfde3..6712ff60c722 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/regs.h +++ b/drivers/net/wireless/mediatek/mt76/mt7921/regs.h @@ -353,6 +353,7 @@ #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_FW_DWLD_BYPASS_DMASHDL BIT(9) #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) @@ -377,6 +378,9 @@ #define MT_WFDMA0_TX_RING16_EXT_CTRL MT_WFDMA0(0x640) #define MT_WFDMA0_TX_RING17_EXT_CTRL MT_WFDMA0(0x644) +#define MT_WPDMA0_MAX_CNT_MASK GENMASK(7, 0) +#define MT_WPDMA0_BASE_PTR_MASK GENMASK(31, 16) + #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) @@ -425,6 +429,10 @@ #define MT_WFDMA_DUMMY_CR MT_MCU_WPDMA0(0x120) #define MT_WFDMA_NEED_REINIT BIT(1) +#define MT_CBTOP_RGU(ofs) (0x70002000 + (ofs)) +#define MT_CBTOP_RGU_WF_SUBSYS_RST MT_CBTOP_RGU(0x600) +#define MT_CBTOP_RGU_WF_SUBSYS_RST_WF_WHOLE_PATH BIT(0) + #define MT_HW_BOUND 0x70010020 #define MT_HW_CHIPID 0x70010200 #define MT_HW_REV 0x70010204 @@ -433,12 +441,14 @@ #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_DMA_SHDL(ofs) (0x7c026000 + (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_GROUP_SEQ_ORDER BIT(16) #define MT_DMASHDL_REFILL MT_DMA_SHDL(0x010) +#define MT_DMASHDL_REFILL_MASK GENMASK(31, 16) #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) @@ -453,6 +463,43 @@ #define MT_DMASHDL_SCHED_SET(_n) MT_DMA_SHDL(0x070 + ((_n) << 2)) +#define MT_WFDMA_HOST_CONFIG 0x7c027030 +#define MT_WFDMA_HOST_CONFIG_USB_RXEVT_EP4_EN BIT(6) + +#define MT_UMAC(ofs) (0x74000000 + (ofs)) +#define MT_UDMA_TX_QSEL MT_UMAC(0x008) +#define MT_FW_DL_EN BIT(3) + +#define MT_UDMA_WLCFG_1 MT_UMAC(0x00c) +#define MT_WL_RX_AGG_PKT_LMT GENMASK(7, 0) +#define MT_WL_TX_TMOUT_LMT GENMASK(27, 8) + +#define MT_UDMA_WLCFG_0 MT_UMAC(0x18) +#define MT_WL_RX_AGG_TO GENMASK(7, 0) +#define MT_WL_RX_AGG_LMT GENMASK(15, 8) +#define MT_WL_TX_TMOUT_FUNC_EN BIT(16) +#define MT_WL_TX_DPH_CHK_EN BIT(17) +#define MT_WL_RX_MPSZ_PAD0 BIT(18) +#define MT_WL_RX_FLUSH BIT(19) +#define MT_TICK_1US_EN BIT(20) +#define MT_WL_RX_AGG_EN BIT(21) +#define MT_WL_RX_EN BIT(22) +#define MT_WL_TX_EN BIT(23) +#define MT_WL_RX_BUSY BIT(30) +#define MT_WL_TX_BUSY BIT(31) + +#define MT_UDMA_CONN_INFRA_STATUS MT_UMAC(0xa20) +#define MT_UDMA_CONN_WFSYS_INIT_DONE BIT(22) +#define MT_UDMA_CONN_INFRA_STATUS_SEL MT_UMAC(0xa24) + +#define MT_SSUSB_EPCTL_CSR(ofs) (0x74011800 + (ofs)) +#define MT_SSUSB_EPCTL_CSR_EP_RST_OPT MT_SSUSB_EPCTL_CSR(0x090) + +#define MT_UWFDMA0(ofs) (0x7c024000 + (ofs)) +#define MT_UWFDMA0_GLO_CFG MT_UWFDMA0(0x208) +#define MT_UWFDMA0_GLO_CFG_EXT0 MT_UWFDMA0(0x2b0) +#define MT_UWFDMA0_TX_RING_EXT_CTRL(_n) MT_UWFDMA0(0x600 + ((_n) << 2)) + #define MT_CONN_STATUS 0x7c053c10 #define MT_WIFI_PATCH_DL_STATE BIT(0) @@ -466,6 +513,7 @@ #define WFSYS_SW_INIT_DONE BIT(4) #define MT_CONN_ON_MISC 0x7c0600f0 +#define MT_TOP_MISC2_FW_PWR_ON BIT(0) #define MT_TOP_MISC2_FW_N9_RDY GENMASK(1, 0) #endif diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/usb.c b/drivers/net/wireless/mediatek/mt76/mt7921/usb.c new file mode 100644 index 000000000000..0f99d059d319 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt7921/usb.c @@ -0,0 +1,305 @@ +// SPDX-License-Identifier: ISC +/* Copyright (C) 2022 MediaTek Inc. + * + * Author: Lorenzo Bianconi + */ + +#include +#include +#include + +#include "mt7921.h" +#include "mcu.h" +#include "mac.h" + +static const struct usb_device_id mt7921u_device_table[] = { + { USB_DEVICE_AND_INTERFACE_INFO(0x0e8d, 0x7961, 0xff, 0xff, 0xff) }, + { }, +}; + +static u32 mt7921u_rr(struct mt76_dev *dev, u32 addr) +{ + u32 ret; + + mutex_lock(&dev->usb.usb_ctrl_mtx); + ret = ___mt76u_rr(dev, MT_VEND_READ_EXT, + USB_DIR_IN | MT_USB_TYPE_VENDOR, addr); + mutex_unlock(&dev->usb.usb_ctrl_mtx); + + return ret; +} + +static void mt7921u_wr(struct mt76_dev *dev, u32 addr, u32 val) +{ + mutex_lock(&dev->usb.usb_ctrl_mtx); + ___mt76u_wr(dev, MT_VEND_WRITE_EXT, + USB_DIR_OUT | MT_USB_TYPE_VENDOR, addr, val); + mutex_unlock(&dev->usb.usb_ctrl_mtx); +} + +static u32 mt7921u_rmw(struct mt76_dev *dev, u32 addr, + u32 mask, u32 val) +{ + mutex_lock(&dev->usb.usb_ctrl_mtx); + val |= ___mt76u_rr(dev, MT_VEND_READ_EXT, + USB_DIR_IN | MT_USB_TYPE_VENDOR, addr) & ~mask; + ___mt76u_wr(dev, MT_VEND_WRITE_EXT, + USB_DIR_OUT | MT_USB_TYPE_VENDOR, addr, val); + mutex_unlock(&dev->usb.usb_ctrl_mtx); + + return val; +} + +static void mt7921u_copy(struct mt76_dev *dev, u32 offset, + const void *data, int len) +{ + struct mt76_usb *usb = &dev->usb; + int ret, i = 0, batch_len; + const u8 *val = data; + + len = round_up(len, 4); + + mutex_lock(&usb->usb_ctrl_mtx); + while (i < len) { + batch_len = min_t(int, usb->data_len, len - i); + memcpy(usb->data, val + i, batch_len); + ret = __mt76u_vendor_request(dev, MT_VEND_WRITE_EXT, + USB_DIR_OUT | MT_USB_TYPE_VENDOR, + (offset + i) >> 16, offset + i, + usb->data, batch_len); + if (ret < 0) + break; + + i += batch_len; + } + mutex_unlock(&usb->usb_ctrl_mtx); +} + +int mt7921u_mcu_power_on(struct mt7921_dev *dev) +{ + int ret; + + ret = mt76u_vendor_request(&dev->mt76, MT_VEND_POWER_ON, + USB_DIR_OUT | MT_USB_TYPE_VENDOR, + 0x0, 0x1, NULL, 0); + if (ret) + return ret; + + if (!mt76_poll_msec(dev, MT_CONN_ON_MISC, MT_TOP_MISC2_FW_PWR_ON, + MT_TOP_MISC2_FW_PWR_ON, 500)) { + dev_err(dev->mt76.dev, "Timeout for power on\n"); + ret = -EIO; + } + + return ret; +} + +static int +mt7921u_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb, + int cmd, int *seq) +{ + struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); + u32 pad, ep; + int ret; + + ret = mt7921_mcu_fill_message(mdev, skb, cmd, seq); + if (ret) + return ret; + + if (cmd != MCU_CMD(FW_SCATTER)) + ep = MT_EP_OUT_INBAND_CMD; + else + ep = MT_EP_OUT_AC_BE; + + mt7921_skb_add_usb_sdio_hdr(dev, skb, 0); + pad = round_up(skb->len, 4) + 4 - skb->len; + __skb_put_zero(skb, pad); + + ret = mt76u_bulk_msg(&dev->mt76, skb->data, skb->len, NULL, + 1000, ep); + dev_kfree_skb(skb); + + return ret; +} + +static int mt7921u_mcu_init(struct mt7921_dev *dev) +{ + static const struct mt76_mcu_ops mcu_ops = { + .headroom = MT_SDIO_HDR_SIZE + sizeof(struct mt7921_mcu_txd), + .tailroom = MT_USB_TAIL_SIZE, + .mcu_skb_send_msg = mt7921u_mcu_send_message, + .mcu_parse_response = mt7921_mcu_parse_response, + .mcu_restart = mt76_connac_mcu_restart, + }; + int ret; + + dev->mt76.mcu_ops = &mcu_ops; + + mt76_set(dev, MT_UDMA_TX_QSEL, MT_FW_DL_EN); + ret = mt7921_run_firmware(dev); + if (ret) + return ret; + + set_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state); + mt76_clear(dev, MT_UDMA_TX_QSEL, MT_FW_DL_EN); + + return 0; +} + +static void mt7921u_stop(struct ieee80211_hw *hw) +{ + struct mt7921_dev *dev = mt7921_hw_dev(hw); + + mt76u_stop_tx(&dev->mt76); + mt7921_stop(hw); +} + +static void mt7921u_cleanup(struct mt7921_dev *dev) +{ + clear_bit(MT76_STATE_INITIALIZED, &dev->mphy.state); + mt7921u_wfsys_reset(dev); + mt7921_mcu_exit(dev); + mt76u_queues_deinit(&dev->mt76); +} + +static int mt7921u_probe(struct usb_interface *usb_intf, + const struct usb_device_id *id) +{ + static const struct mt76_driver_ops drv_ops = { + .txwi_size = MT_SDIO_TXD_SIZE, + .drv_flags = MT_DRV_RX_DMA_HDR | MT_DRV_HW_MGMT_TXQ, + .survey_flags = SURVEY_INFO_TIME_TX | + SURVEY_INFO_TIME_RX | + SURVEY_INFO_TIME_BSS_RX, + .tx_prepare_skb = mt7921_usb_sdio_tx_prepare_skb, + .tx_complete_skb = mt7921_usb_sdio_tx_complete_skb, + .tx_status_data = mt7921_usb_sdio_tx_status_data, + .rx_skb = mt7921_queue_rx_skb, + .sta_ps = mt7921_sta_ps, + .sta_add = mt7921_mac_sta_add, + .sta_assoc = mt7921_mac_sta_assoc, + .sta_remove = mt7921_mac_sta_remove, + .update_survey = mt7921_update_channel, + }; + static const struct mt7921_hif_ops hif_ops = { + .mcu_init = mt7921u_mcu_init, + .init_reset = mt7921u_init_reset, + .reset = mt7921u_mac_reset, + }; + static struct mt76_bus_ops bus_ops = { + .rr = mt7921u_rr, + .wr = mt7921u_wr, + .rmw = mt7921u_rmw, + .read_copy = mt76u_read_copy, + .write_copy = mt7921u_copy, + .type = MT76_BUS_USB, + }; + struct usb_device *udev = interface_to_usbdev(usb_intf); + struct ieee80211_ops *ops; + struct ieee80211_hw *hw; + struct mt7921_dev *dev; + struct mt76_dev *mdev; + int ret; + + ops = devm_kmemdup(&usb_intf->dev, &mt7921_ops, sizeof(mt7921_ops), + GFP_KERNEL); + if (!ops) + return -ENOMEM; + + ops->stop = mt7921u_stop; + + mdev = mt76_alloc_device(&usb_intf->dev, sizeof(*dev), ops, &drv_ops); + if (!mdev) + return -ENOMEM; + + dev = container_of(mdev, struct mt7921_dev, mt76); + dev->hif_ops = &hif_ops; + + udev = usb_get_dev(udev); + usb_reset_device(udev); + + usb_set_intfdata(usb_intf, dev); + + ret = __mt76u_init(mdev, usb_intf, &bus_ops); + if (ret < 0) + goto error; + + mdev->rev = (mt76_rr(dev, MT_HW_CHIPID) << 16) | + (mt76_rr(dev, MT_HW_REV) & 0xff); + dev_dbg(mdev->dev, "ASIC revision: %04x\n", mdev->rev); + + if (mt76_get_field(dev, MT_CONN_ON_MISC, MT_TOP_MISC2_FW_N9_RDY)) { + ret = mt7921u_wfsys_reset(dev); + if (ret) + goto error; + } + + ret = mt7921u_mcu_power_on(dev); + if (ret) + goto error; + + ret = mt76u_alloc_mcu_queue(&dev->mt76); + if (ret) + goto error; + + ret = mt76u_alloc_queues(&dev->mt76); + if (ret) + goto error; + + ret = mt7921u_dma_init(dev); + if (ret) + return ret; + + hw = mt76_hw(dev); + /* check hw sg support in order to enable AMSDU */ + hw->max_tx_fragments = mdev->usb.sg_en ? MT_HW_TXP_MAX_BUF_NUM : 1; + + ret = mt7921_register_device(dev); + if (ret) + goto error; + + return 0; + +error: + mt76u_queues_deinit(&dev->mt76); + + usb_set_intfdata(usb_intf, NULL); + usb_put_dev(interface_to_usbdev(usb_intf)); + + mt76_free_device(&dev->mt76); + + return ret; +} + +static void mt7921u_disconnect(struct usb_interface *usb_intf) +{ + struct mt7921_dev *dev = usb_get_intfdata(usb_intf); + + if (!test_bit(MT76_STATE_INITIALIZED, &dev->mphy.state)) + return; + + mt76_unregister_device(&dev->mt76); + mt7921u_cleanup(dev); + + usb_set_intfdata(usb_intf, NULL); + usb_put_dev(interface_to_usbdev(usb_intf)); + + mt76_free_device(&dev->mt76); +} + +MODULE_DEVICE_TABLE(usb, mt7921u_device_table); +MODULE_FIRMWARE(MT7921_FIRMWARE_WM); +MODULE_FIRMWARE(MT7921_ROM_PATCH); + +static struct usb_driver mt7921u_driver = { + .name = KBUILD_MODNAME, + .id_table = mt7921u_device_table, + .probe = mt7921u_probe, + .disconnect = mt7921u_disconnect, + .soft_unbind = 1, + .disable_hub_initiated_lpm = 1, +}; +module_usb_driver(mt7921u_driver); + +MODULE_AUTHOR("Lorenzo Bianconi "); +MODULE_LICENSE("Dual BSD/GPL"); diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/usb_mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/usb_mac.c new file mode 100644 index 000000000000..99bcbd858b65 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt7921/usb_mac.c @@ -0,0 +1,252 @@ +// SPDX-License-Identifier: ISC +/* Copyright (C) 2022 MediaTek Inc. + * + * Author: Lorenzo Bianconi + */ + +#include +#include +#include + +#include "mt7921.h" +#include "mcu.h" +#include "mac.h" + +static u32 mt7921u_uhw_rr(struct mt76_dev *dev, u32 addr) +{ + u32 ret; + + mutex_lock(&dev->usb.usb_ctrl_mtx); + ret = ___mt76u_rr(dev, MT_VEND_DEV_MODE, + USB_DIR_IN | MT_USB_TYPE_UHW_VENDOR, addr); + mutex_unlock(&dev->usb.usb_ctrl_mtx); + + return ret; +} + +static void mt7921u_uhw_wr(struct mt76_dev *dev, u32 addr, u32 val) +{ + mutex_lock(&dev->usb.usb_ctrl_mtx); + ___mt76u_wr(dev, MT_VEND_WRITE, + USB_DIR_OUT | MT_USB_TYPE_UHW_VENDOR, addr, val); + mutex_unlock(&dev->usb.usb_ctrl_mtx); +} + +static void mt7921u_dma_prefetch(struct mt7921_dev *dev) +{ + mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(0), + MT_WPDMA0_MAX_CNT_MASK, 4); + mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(0), + MT_WPDMA0_BASE_PTR_MASK, 0x80); + + mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(1), + MT_WPDMA0_MAX_CNT_MASK, 4); + mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(1), + MT_WPDMA0_BASE_PTR_MASK, 0xc0); + + mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(2), + MT_WPDMA0_MAX_CNT_MASK, 4); + mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(2), + MT_WPDMA0_BASE_PTR_MASK, 0x100); + + mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(3), + MT_WPDMA0_MAX_CNT_MASK, 4); + mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(3), + MT_WPDMA0_BASE_PTR_MASK, 0x140); + + mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(4), + MT_WPDMA0_MAX_CNT_MASK, 4); + mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(4), + MT_WPDMA0_BASE_PTR_MASK, 0x180); + + mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(16), + MT_WPDMA0_MAX_CNT_MASK, 4); + mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(16), + MT_WPDMA0_BASE_PTR_MASK, 0x280); + + mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(17), + MT_WPDMA0_MAX_CNT_MASK, 4); + mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(17), + MT_WPDMA0_BASE_PTR_MASK, 0x2c0); +} + +static void mt7921u_wfdma_init(struct mt7921_dev *dev) +{ + mt7921u_dma_prefetch(dev); + + mt76_clear(dev, MT_UWFDMA0_GLO_CFG, MT_WFDMA0_GLO_CFG_OMIT_RX_INFO); + mt76_set(dev, MT_UWFDMA0_GLO_CFG, + MT_WFDMA0_GLO_CFG_OMIT_TX_INFO | + MT_WFDMA0_GLO_CFG_OMIT_RX_INFO_PFET2 | + MT_WFDMA0_GLO_CFG_FW_DWLD_BYPASS_DMASHDL | + MT_WFDMA0_GLO_CFG_TX_DMA_EN | + MT_WFDMA0_GLO_CFG_RX_DMA_EN); + + /* disable dmashdl */ + mt76_clear(dev, MT_UWFDMA0_GLO_CFG_EXT0, + MT_WFDMA0_CSR_TX_DMASHDL_ENABLE); + mt76_set(dev, MT_DMASHDL_SW_CONTROL, MT_DMASHDL_DMASHDL_BYPASS); + + mt76_set(dev, MT_WFDMA_DUMMY_CR, MT_WFDMA_NEED_REINIT); +} + +static int mt7921u_dma_rx_evt_ep4(struct mt7921_dev *dev) +{ + if (!mt76_poll(dev, MT_UWFDMA0_GLO_CFG, + MT_WFDMA0_GLO_CFG_RX_DMA_BUSY, 0, 1000)) + return -ETIMEDOUT; + + mt76_clear(dev, MT_UWFDMA0_GLO_CFG, MT_WFDMA0_GLO_CFG_RX_DMA_EN); + mt76_set(dev, MT_WFDMA_HOST_CONFIG, + MT_WFDMA_HOST_CONFIG_USB_RXEVT_EP4_EN); + mt76_set(dev, MT_UWFDMA0_GLO_CFG, MT_WFDMA0_GLO_CFG_RX_DMA_EN); + + return 0; +} + +static void mt7921u_epctl_rst_opt(struct mt7921_dev *dev, bool reset) +{ + u32 val; + + /* usb endpoint reset opt + * bits[4,9]: out blk ep 4-9 + * bits[20,21]: in blk ep 4-5 + * bits[22]: in int ep 6 + */ + val = mt7921u_uhw_rr(&dev->mt76, MT_SSUSB_EPCTL_CSR_EP_RST_OPT); + if (reset) + val |= GENMASK(9, 4) | GENMASK(22, 20); + else + val &= ~(GENMASK(9, 4) | GENMASK(22, 20)); + mt7921u_uhw_wr(&dev->mt76, MT_SSUSB_EPCTL_CSR_EP_RST_OPT, val); +} + +int mt7921u_dma_init(struct mt7921_dev *dev) +{ + int err; + + mt7921u_wfdma_init(dev); + + mt76_clear(dev, MT_UDMA_WLCFG_0, MT_WL_RX_FLUSH); + + mt76_set(dev, MT_UDMA_WLCFG_0, + MT_WL_RX_EN | MT_WL_TX_EN | + MT_WL_RX_MPSZ_PAD0 | MT_TICK_1US_EN); + mt76_clear(dev, MT_UDMA_WLCFG_0, + MT_WL_RX_AGG_TO | MT_WL_RX_AGG_LMT); + mt76_clear(dev, MT_UDMA_WLCFG_1, MT_WL_RX_AGG_PKT_LMT); + + err = mt7921u_dma_rx_evt_ep4(dev); + if (err) + return err; + + mt7921u_epctl_rst_opt(dev, false); + + return 0; +} + +int mt7921u_wfsys_reset(struct mt7921_dev *dev) +{ + u32 val; + int i; + + mt7921u_epctl_rst_opt(dev, false); + + val = mt7921u_uhw_rr(&dev->mt76, MT_CBTOP_RGU_WF_SUBSYS_RST); + val |= MT_CBTOP_RGU_WF_SUBSYS_RST_WF_WHOLE_PATH; + mt7921u_uhw_wr(&dev->mt76, MT_CBTOP_RGU_WF_SUBSYS_RST, val); + + usleep_range(10, 20); + + val = mt7921u_uhw_rr(&dev->mt76, MT_CBTOP_RGU_WF_SUBSYS_RST); + val &= ~MT_CBTOP_RGU_WF_SUBSYS_RST_WF_WHOLE_PATH; + mt7921u_uhw_wr(&dev->mt76, MT_CBTOP_RGU_WF_SUBSYS_RST, val); + + mt7921u_uhw_wr(&dev->mt76, MT_UDMA_CONN_INFRA_STATUS_SEL, 0); + for (i = 0; i < MT7921_WFSYS_INIT_RETRY_COUNT; i++) { + val = mt7921u_uhw_rr(&dev->mt76, MT_UDMA_CONN_INFRA_STATUS); + if (val & MT_UDMA_CONN_WFSYS_INIT_DONE) + break; + + msleep(100); + } + + if (i == MT7921_WFSYS_INIT_RETRY_COUNT) + return -ETIMEDOUT; + + return 0; +} + +int mt7921u_init_reset(struct mt7921_dev *dev) +{ + set_bit(MT76_RESET, &dev->mphy.state); + + wake_up(&dev->mt76.mcu.wait); + mt7921_mcu_exit(dev); + + mt76u_stop_rx(&dev->mt76); + mt76u_stop_tx(&dev->mt76); + + mt7921u_wfsys_reset(dev); + + clear_bit(MT76_RESET, &dev->mphy.state); + + return mt76u_resume_rx(&dev->mt76); +} + +int mt7921u_mac_reset(struct mt7921_dev *dev) +{ + int err; + + mt76_txq_schedule_all(&dev->mphy); + mt76_worker_disable(&dev->mt76.tx_worker); + + set_bit(MT76_RESET, &dev->mphy.state); + set_bit(MT76_MCU_RESET, &dev->mphy.state); + + wake_up(&dev->mt76.mcu.wait); + mt7921_mcu_exit(dev); + + mt76u_stop_rx(&dev->mt76); + mt76u_stop_tx(&dev->mt76); + + mt7921u_wfsys_reset(dev); + + clear_bit(MT76_MCU_RESET, &dev->mphy.state); + err = mt76u_resume_rx(&dev->mt76); + if (err) + goto out; + + err = mt7921u_mcu_power_on(dev); + if (err) + goto out; + + err = mt7921u_dma_init(dev); + if (err) + goto out; + + mt76_wr(dev, MT_SWDEF_MODE, MT_SWDEF_NORMAL_MODE); + mt76_set(dev, MT_UDMA_TX_QSEL, MT_FW_DL_EN); + + err = mt7921_run_firmware(dev); + if (err) + goto out; + + mt76_clear(dev, MT_UDMA_TX_QSEL, MT_FW_DL_EN); + + err = mt7921_mcu_set_eeprom(dev); + if (err) + goto out; + + err = mt7921_mac_init(dev); + if (err) + goto out; + + err = __mt7921_start(&dev->phy); +out: + clear_bit(MT76_RESET, &dev->mphy.state); + + mt76_worker_enable(&dev->mt76.tx_worker); + + return err; +}