From patchwork Thu Jan 30 14:47:14 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Felix Fietkau X-Patchwork-Id: 216567 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=-9.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham 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 51B28C35240 for ; Thu, 30 Jan 2020 14:47:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0F3BC206D3 for ; Thu, 30 Jan 2020 14:47:23 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=nbd.name header.i=@nbd.name header.b="RGzsQ5pp" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727298AbgA3OrW (ORCPT ); Thu, 30 Jan 2020 09:47:22 -0500 Received: from nbd.name ([46.4.11.11]:57434 "EHLO nbd.name" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727190AbgA3OrW (ORCPT ); Thu, 30 Jan 2020 09:47:22 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=nbd.name; s=20160729; h=Content-Transfer-Encoding:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Sender:Reply-To:Cc:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=ICGQzIrxSFDTO1uQTJKA7L4lSQmY/RDhH1tmWvIAW8M=; b=RGzsQ5ppXkEP/9JhO3g1C365aL CHj/zpIOgDp+4lOfMMcwPh4AAmBYxzSIQ9RswqEuoME0G4JFaap9B9p3UulhvrfIyzNW6NQR9oJmZ 5sfLe38sFrw8qeLgv3ahrBmfIwrgrM5BMw5aPDGhHUSZmqtFXiO3p0YqynKdIIyIBYpY=; Received: from [178.162.209.135] (helo=maeck.local) by ds12 with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1ixB6F-0001VJ-Kl for linux-wireless@vger.kernel.org; Thu, 30 Jan 2020 15:47:19 +0100 Received: by maeck.local (Postfix, from userid 501) id EB4297AE468A; Thu, 30 Jan 2020 15:47:18 +0100 (CET) From: Felix Fietkau To: linux-wireless@vger.kernel.org Subject: [PATCH 11/15] mt76: mt7615: implement probing and firmware loading on MT7622 Date: Thu, 30 Jan 2020 15:47:14 +0100 Message-Id: <20200130144718.14298-11-nbd@nbd.name> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20200130144718.14298-1-nbd@nbd.name> References: <20200130144718.14298-1-nbd@nbd.name> MIME-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org MT7622 does not have a CR4 microcontroller, so it only uses its own N9 firmware. Co-developed-by: Shayne Chen Signed-off-by: Felix Fietkau --- .../wireless/mediatek/mt76/mt7615/Makefile | 1 + .../net/wireless/mediatek/mt76/mt7615/init.c | 4 + .../net/wireless/mediatek/mt76/mt7615/main.c | 28 ++++++ .../net/wireless/mediatek/mt76/mt7615/mcu.c | 85 ++++++++++++++++--- .../wireless/mediatek/mt76/mt7615/mt7615.h | 19 +++++ .../net/wireless/mediatek/mt76/mt7615/pci.c | 3 - .../net/wireless/mediatek/mt76/mt7615/regs.h | 9 ++ .../net/wireless/mediatek/mt76/mt7615/soc.c | 77 +++++++++++++++++ 8 files changed, 213 insertions(+), 13 deletions(-) create mode 100644 drivers/net/wireless/mediatek/mt76/mt7615/soc.c diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/Makefile b/drivers/net/wireless/mediatek/mt76/mt7615/Makefile index a93d147edf44..5c6a220ed7e3 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/Makefile +++ b/drivers/net/wireless/mediatek/mt76/mt7615/Makefile @@ -6,3 +6,4 @@ CFLAGS_trace.o := -I$(src) mt7615e-y := pci.o init.o dma.o eeprom.o main.o mcu.o mac.o mmio.o \ debugfs.o trace.o +mt7615e-$(CONFIG_MT7622_WMAC) += soc.o diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/init.c b/drivers/net/wireless/mediatek/mt76/mt7615/init.c index 1af941f83213..df6ef323f7a2 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/init.c @@ -442,6 +442,10 @@ int mt7615_register_device(struct mt7615_dev *dev) INIT_LIST_HEAD(&dev->sta_poll_list); spin_lock_init(&dev->sta_poll_lock); + ret = mt7622_wmac_init(dev); + if (ret) + return ret; + ret = mt7615_init_hardware(dev); if (ret) return ret; diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/main.c b/drivers/net/wireless/mediatek/mt76/mt7615/main.c index 14034592b918..b8e57bf7814b 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/main.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/main.c @@ -730,3 +730,31 @@ const struct ieee80211_ops mt7615_ops = { .set_antenna = mt7615_set_antenna, .set_coverage_class = mt7615_set_coverage_class, }; + +static int __init mt7615_init(void) +{ + int ret; + + ret = pci_register_driver(&mt7615_pci_driver); + if (ret) + return ret; + + if (IS_ENABLED(CONFIG_MT7622_WMAC)) { + ret = platform_driver_register(&mt7622_wmac_driver); + if (ret) + pci_unregister_driver(&mt7615_pci_driver); + } + + return ret; +} + +static void __exit mt7615_exit(void) +{ + if (IS_ENABLED(CONFIG_MT7622_WMAC)) + platform_driver_unregister(&mt7622_wmac_driver); + pci_unregister_driver(&mt7615_pci_driver); +} + +module_init(mt7615_init); +module_exit(mt7615_exit); +MODULE_LICENSE("Dual BSD/GPL"); diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c index e51e584bf81f..d8bdd88d9fe9 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c @@ -29,7 +29,8 @@ struct mt7615_fw_trailer { __le32 len; } __packed; -#define MCU_PATCH_ADDRESS 0x80000 +#define MT7615_PATCH_ADDRESS 0x80000 +#define MT7622_PATCH_ADDRESS 0x9c000 #define N9_REGION_NUM 2 #define CR4_REGION_NUM 1 @@ -333,19 +334,50 @@ static int mt7615_mcu_start_patch(struct mt7615_dev *dev) &req, sizeof(req), true); } +static void mt7622_trigger_hif_int(struct mt7615_dev *dev, bool en) +{ + if (!is_mt7622(&dev->mt76)) + return; + + regmap_update_bits(dev->infracfg, MT_INFRACFG_MISC, + MT_INFRACFG_MISC_AP2CONN_WAKE, + !en * MT_INFRACFG_MISC_AP2CONN_WAKE); +} + static int mt7615_driver_own(struct mt7615_dev *dev) { mt76_wr(dev, MT_CFG_LPCR_HOST, MT_CFG_LPCR_HOST_DRV_OWN); + + mt7622_trigger_hif_int(dev, true); if (!mt76_poll_msec(dev, MT_CFG_LPCR_HOST, - MT_CFG_LPCR_HOST_FW_OWN, 0, 500)) { + MT_CFG_LPCR_HOST_FW_OWN, 0, 3000)) { dev_err(dev->mt76.dev, "Timeout for driver own\n"); return -EIO; } + mt7622_trigger_hif_int(dev, false); return 0; } -static int mt7615_load_patch(struct mt7615_dev *dev, const char *name) +static int mt7615_firmware_own(struct mt7615_dev *dev) +{ + mt7622_trigger_hif_int(dev, true); + + mt76_wr(dev, MT_CFG_LPCR_HOST, MT_CFG_LPCR_HOST_FW_OWN); + + if (is_mt7622(&dev->mt76) && + !mt76_poll_msec(dev, MT_CFG_LPCR_HOST, + MT_CFG_LPCR_HOST_FW_OWN, + MT_CFG_LPCR_HOST_FW_OWN, 3000)) { + dev_err(dev->mt76.dev, "Timeout for firmware own\n"); + return -EIO; + } + mt7622_trigger_hif_int(dev, false); + + return 0; +} + +static int mt7615_load_patch(struct mt7615_dev *dev, u32 addr, const char *name) { const struct mt7615_patch_hdr *hdr; const struct firmware *fw = NULL; @@ -379,8 +411,7 @@ static int mt7615_load_patch(struct mt7615_dev *dev, const char *name) len = fw->size - sizeof(*hdr); - ret = mt7615_mcu_init_download(dev, MCU_PATCH_ADDRESS, len, - DL_MODE_NEED_RSP); + ret = mt7615_mcu_init_download(dev, addr, len, DL_MODE_NEED_RSP); if (ret) { dev_err(dev->mt76.dev, "Download request failed\n"); goto out; @@ -561,7 +592,7 @@ static int mt7615_load_firmware(struct mt7615_dev *dev) return -EIO; } - ret = mt7615_load_patch(dev, MT7615_ROM_PATCH); + ret = mt7615_load_patch(dev, MT7615_PATCH_ADDRESS, MT7615_ROM_PATCH); if (ret) return ret; @@ -576,9 +607,38 @@ static int mt7615_load_firmware(struct mt7615_dev *dev) return -EIO; } - mt76_queue_tx_cleanup(dev, MT_TXQ_FWDL, false); + return 0; +} - dev_dbg(dev->mt76.dev, "Firmware init done\n"); +static int mt7622_load_firmware(struct mt7615_dev *dev) +{ + int ret; + u32 val; + + mt76_set(dev, MT_WPDMA_GLO_CFG, MT_WPDMA_GLO_CFG_BYPASS_TX_SCH); + + val = mt76_get_field(dev, MT_TOP_OFF_RSV, MT_TOP_OFF_RSV_FW_STATE); + if (val != FW_STATE_FW_DOWNLOAD) { + dev_err(dev->mt76.dev, "Firmware is not ready for download\n"); + return -EIO; + } + + ret = mt7615_load_patch(dev, MT7622_PATCH_ADDRESS, MT7622_ROM_PATCH); + if (ret) + return ret; + + ret = mt7615_load_n9(dev, MT7622_FIRMWARE_N9); + if (ret) + return ret; + + if (!mt76_poll_msec(dev, MT_TOP_OFF_RSV, MT_TOP_OFF_RSV_FW_STATE, + FIELD_PREP(MT_TOP_OFF_RSV_FW_STATE, + FW_STATE_NORMAL_TRX), 1500)) { + dev_err(dev->mt76.dev, "Timeout for initializing firmware\n"); + return -EIO; + } + + mt76_clear(dev, MT_WPDMA_GLO_CFG, MT_WPDMA_GLO_CFG_BYPASS_TX_SCH); return 0; } @@ -597,10 +657,15 @@ int mt7615_mcu_init(struct mt7615_dev *dev) if (ret) return ret; - ret = mt7615_load_firmware(dev); + if (is_mt7622(&dev->mt76)) + ret = mt7622_load_firmware(dev); + else + ret = mt7615_load_firmware(dev); if (ret) return ret; + mt76_queue_tx_cleanup(dev, MT_TXQ_FWDL, false); + dev_dbg(dev->mt76.dev, "Firmware init done\n"); set_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state); return 0; @@ -609,7 +674,7 @@ int mt7615_mcu_init(struct mt7615_dev *dev) void mt7615_mcu_exit(struct mt7615_dev *dev) { __mt76_mcu_restart(&dev->mt76); - mt76_wr(dev, MT_CFG_LPCR_HOST, MT_CFG_LPCR_HOST_FW_OWN); + mt7615_firmware_own(dev); skb_queue_purge(&dev->mt76.mmio.mcu.res_q); } diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h b/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h index d9e487ba98e0..9eb5cfcfe704 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h +++ b/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h @@ -6,6 +6,7 @@ #include #include +#include #include "../mt76.h" #include "regs.h" @@ -31,6 +32,9 @@ #define MT7615_FIRMWARE_N9 "mediatek/mt7615_n9.bin" #define MT7615_ROM_PATCH "mediatek/mt7615_rom_patch.bin" +#define MT7622_FIRMWARE_N9 "mediatek/mt7622_n9.bin" +#define MT7622_ROM_PATCH "mediatek/mt7622_rom_patch.bin" + #define MT7615_EEPROM_SIZE 1024 #define MT7615_TOKEN_SIZE 4096 @@ -148,6 +152,8 @@ struct mt7615_dev { u16 chainmask; + struct regmap *infracfg; + struct work_struct mcu_work; struct list_head sta_poll_list; @@ -241,6 +247,16 @@ mt7615_ext_phy(struct mt7615_dev *dev) extern const struct ieee80211_ops mt7615_ops; extern struct pci_driver mt7615_pci_driver; +extern struct platform_driver mt7622_wmac_driver; + +#ifdef CONFIG_MT7622_WMAC +int mt7622_wmac_init(struct mt7615_dev *dev); +#else +static inline int mt7622_wmac_init(struct mt7615_dev *dev) +{ + return 0; +} +#endif int mt7615_mmio_probe(struct device *pdev, void __iomem *mem_base, int irq); u32 mt7615_reg_map(struct mt7615_dev *dev, u32 addr); @@ -295,6 +311,9 @@ int mt7615_mcu_rdd_send_pattern(struct mt7615_dev *dev); static inline bool is_mt7622(struct mt76_dev *dev) { + if (!IS_ENABLED(CONFIG_MT7622_WMAC)) + return false; + return mt76_chip(dev) == 0x7622; } diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/pci.c b/drivers/net/wireless/mediatek/mt76/mt7615/pci.c index caaad936a34a..43e02128cc48 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/pci.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/pci.c @@ -53,10 +53,7 @@ struct pci_driver mt7615_pci_driver = { .remove = mt7615_pci_remove, }; -module_pci_driver(mt7615_pci_driver); - MODULE_DEVICE_TABLE(pci, mt7615_pci_device_table); MODULE_FIRMWARE(MT7615_FIRMWARE_CR4); MODULE_FIRMWARE(MT7615_FIRMWARE_N9); MODULE_FIRMWARE(MT7615_ROM_PATCH); -MODULE_LICENSE("Dual BSD/GPL"); diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/regs.h b/drivers/net/wireless/mediatek/mt76/mt7615/regs.h index de71d2672cf7..abecb3bfbc4b 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/regs.h +++ b/drivers/net/wireless/mediatek/mt76/mt7615/regs.h @@ -8,6 +8,10 @@ #define MT_HW_CHIPID 0x1008 #define MT_TOP_STRAP_STA 0x1010 #define MT_TOP_3NSS BIT(24) + +#define MT_TOP_OFF_RSV 0x1128 +#define MT_TOP_OFF_RSV_FW_STATE GENMASK(18, 16) + #define MT_TOP_MISC2 0x1134 #define MT_TOP_MISC2_FW_STATE GENMASK(2, 0) @@ -49,6 +53,7 @@ #define MT_WPDMA_GLO_CFG_TX_WRITEBACK_DONE BIT(6) #define MT_WPDMA_GLO_CFG_BIG_ENDIAN BIT(7) #define MT_WPDMA_GLO_CFG_TX_BT_SIZE_BIT0 BIT(9) +#define MT_WPDMA_GLO_CFG_BYPASS_TX_SCH BIT(9) /* MT7622 */ #define MT_WPDMA_GLO_CFG_MULTI_DMA_EN GENMASK(11, 10) #define MT_WPDMA_GLO_CFG_FIFO_LITTLE_ENDIAN BIT(12) #define MT_WPDMA_GLO_CFG_TX_BT_SIZE_BIT21 GENMASK(23, 22) @@ -395,4 +400,8 @@ #define MT_EFUSE_WDATA(_i) (0x010 + ((_i) * 4)) #define MT_EFUSE_RDATA(_i) (0x030 + ((_i) * 4)) +/* INFRACFG host register range on MT7622 */ +#define MT_INFRACFG_MISC 0x700 +#define MT_INFRACFG_MISC_AP2CONN_WAKE BIT(1) + #endif diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/soc.c b/drivers/net/wireless/mediatek/mt76/mt7615/soc.c new file mode 100644 index 000000000000..07ec9ec282f5 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt7615/soc.c @@ -0,0 +1,77 @@ +// SPDX-License-Identifier: ISC +/* Copyright (C) 2019 MediaTek Inc. + * + * Author: Ryder Lee + * Felix Fietkau + */ + +#include +#include +#include +#include +#include +#include +#include "mt7615.h" + +int mt7622_wmac_init(struct mt7615_dev *dev) +{ + struct device_node *np = dev->mt76.dev->of_node; + + if (!is_mt7622(&dev->mt76)) + return 0; + + dev->infracfg = syscon_regmap_lookup_by_phandle(np, "mediatek,infracfg"); + if (IS_ERR(dev->infracfg)) { + dev_err(dev->mt76.dev, "Cannot find infracfg controller\n"); + return PTR_ERR(dev->infracfg); + } + + return 0; +} + +static int mt7622_wmac_probe(struct platform_device *pdev) +{ + struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + void __iomem *mem_base; + int irq; + + irq = platform_get_irq(pdev, 0); + if (irq < 0) { + dev_err(&pdev->dev, "Failed to get device IRQ\n"); + return irq; + } + + mem_base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(mem_base)) { + dev_err(&pdev->dev, "Failed to get memory resource\n"); + return PTR_ERR(mem_base); + } + + return mt7615_mmio_probe(&pdev->dev, mem_base, irq); +} + +static int mt7622_wmac_remove(struct platform_device *pdev) +{ + struct mt7615_dev *dev = platform_get_drvdata(pdev); + + mt7615_unregister_device(dev); + + return 0; +} + +static const struct of_device_id mt7622_wmac_of_match[] = { + { .compatible = "mediatek,mt7622-wmac" }, + {}, +}; + +struct platform_driver mt7622_wmac_driver = { + .driver = { + .name = "mt7622-wmac", + .of_match_table = mt7622_wmac_of_match, + }, + .probe = mt7622_wmac_probe, + .remove = mt7622_wmac_remove, +}; + +MODULE_FIRMWARE(MT7622_FIRMWARE_N9); +MODULE_FIRMWARE(MT7622_ROM_PATCH);