From patchwork Mon Dec 20 02:17:57 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bo Jiao X-Patchwork-Id: 12686989 X-Patchwork-Delegate: nbd@nbd.name 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 D1E8DC4332F for ; Mon, 20 Dec 2021 02:18:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237154AbhLTCSU (ORCPT ); Sun, 19 Dec 2021 21:18:20 -0500 Received: from mailgw02.mediatek.com ([210.61.82.184]:46150 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S237140AbhLTCSS (ORCPT ); Sun, 19 Dec 2021 21:18:18 -0500 X-UUID: e02d32b30e3e4967bf52cd26f55b835c-20211220 X-UUID: e02d32b30e3e4967bf52cd26f55b835c-20211220 Received: from mtkmbs10n1.mediatek.inc [(172.21.101.34)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 930522154; Mon, 20 Dec 2021 10:18:15 +0800 Received: from MTKMBS34N1.mediatek.inc (172.27.4.172) by mtkmbs10n1.mediatek.inc (172.21.101.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.15; Mon, 20 Dec 2021 10:18:14 +0800 Received: from MTKCAS32.mediatek.inc (172.27.4.184) by MTKMBS34N1.mediatek.inc (172.27.4.172) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 20 Dec 2021 10:18:12 +0800 Received: from mcddlt001.gcn.mediatek.inc (10.19.240.15) by MTKCAS32.mediatek.inc (172.27.4.170) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 20 Dec 2021 10:18:12 +0800 From: Bo Jiao To: Felix Fietkau CC: linux-wireless , Ryder Lee , Xing Song , Sujuan Chen , Shayne Chen , "Evelyn Tsai" , linux-mediatek , Bo Jiao Subject: [PATCH v4 05/12] mt76: mt7915: add firmware support for mt7916 Date: Mon, 20 Dec 2021 10:17:57 +0800 Message-ID: <6b2d86cbbe6426a5ed0d91b8248b95ac3390885f.1639965732.git.Bo.Jiao@mediatek.com> X-Mailer: git-send-email 2.17.0 In-Reply-To: References: MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Bo Jiao Update firmware initialization for mt7916. This is an intermediate patch to add mt7916 support. Co-developed-by: Sujuan Chen Signed-off-by: Sujuan Chen Co-developed-by: Ryder Lee Signed-off-by: Ryder Lee Signed-off-by: Bo Jiao --- v3: - modify the function mt7915_wfsys_reset to support mt7916 --- .../net/wireless/mediatek/mt76/mt7915/init.c | 75 ++++++++--------- .../net/wireless/mediatek/mt76/mt7915/mcu.c | 81 +++++++++++++++---- .../wireless/mediatek/mt76/mt7915/mt7915.h | 4 + .../net/wireless/mediatek/mt76/mt7915/pci.c | 3 + .../net/wireless/mediatek/mt76/mt7915/regs.h | 6 +- 5 files changed, 115 insertions(+), 54 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/init.c b/drivers/net/wireless/mediatek/mt76/mt7915/init.c index 2da342d..edf0d7e 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/init.c @@ -511,41 +511,53 @@ static void mt7915_init_work(struct work_struct *work) static void mt7915_wfsys_reset(struct mt7915_dev *dev) { - u32 val = MT_TOP_PWR_KEY | MT_TOP_PWR_SW_PWR_ON | MT_TOP_PWR_PWR_ON; + u32 val; #define MT_MCU_DUMMY_RANDOM GENMASK(15, 0) #define MT_MCU_DUMMY_DEFAULT GENMASK(31, 16) + if (is_mt7915(&dev->mt76)) { + mt76_wr(dev, MT_MCU_WFDMA0_DUMMY_CR, MT_MCU_DUMMY_RANDOM); + + /* change to software control */ + val |= MT_TOP_PWR_SW_RST; + mt76_wr(dev, MT_TOP_PWR_CTRL, val); + + /* reset wfsys */ + val &= ~MT_TOP_PWR_SW_RST; + mt76_wr(dev, MT_TOP_PWR_CTRL, val); + + /* release wfsys then mcu re-excutes romcode */ + val |= MT_TOP_PWR_SW_RST; + mt76_wr(dev, MT_TOP_PWR_CTRL, val); + + /* switch to hw control */ + val &= ~MT_TOP_PWR_SW_RST; + val |= MT_TOP_PWR_HW_CTRL; + mt76_wr(dev, MT_TOP_PWR_CTRL, val); + + /* check whether mcu resets to default */ + if (!mt76_poll_msec(dev, MT_MCU_WFDMA0_DUMMY_CR, + MT_MCU_DUMMY_DEFAULT, MT_MCU_DUMMY_DEFAULT, + 1000)) { + dev_err(dev->mt76.dev, "wifi subsystem reset failure\n"); + return; + } - mt76_wr(dev, MT_MCU_WFDMA0_DUMMY_CR, MT_MCU_DUMMY_RANDOM); - - /* change to software control */ - val |= MT_TOP_PWR_SW_RST; - mt76_wr(dev, MT_TOP_PWR_CTRL, val); - - /* reset wfsys */ - val &= ~MT_TOP_PWR_SW_RST; - mt76_wr(dev, MT_TOP_PWR_CTRL, val); + /* wfsys reset won't clear host registers */ + mt76_clear(dev, MT_TOP_MISC, MT_TOP_MISC_FW_STATE); - /* release wfsys then mcu re-excutes romcode */ - val |= MT_TOP_PWR_SW_RST; - mt76_wr(dev, MT_TOP_PWR_CTRL, val); + msleep(100); + } else { + val = mt76_rr(dev, MT_WF_SUBSYS_RST); - /* switch to hw control */ - val &= ~MT_TOP_PWR_SW_RST; - val |= MT_TOP_PWR_HW_CTRL; - mt76_wr(dev, MT_TOP_PWR_CTRL, val); + val |= 0x1; + mt76_wr(dev, MT_WF_SUBSYS_RST, val); + msleep(20); - /* check whether mcu resets to default */ - if (!mt76_poll_msec(dev, MT_MCU_WFDMA0_DUMMY_CR, MT_MCU_DUMMY_DEFAULT, - MT_MCU_DUMMY_DEFAULT, 1000)) { - dev_err(dev->mt76.dev, "wifi subsystem reset failure\n"); - return; + val &= ~0x1; + mt76_wr(dev, MT_WF_SUBSYS_RST, val); + msleep(20); } - - /* wfsys reset won't clear host registers */ - mt76_clear(dev, MT_TOP_MISC, MT_TOP_MISC_FW_STATE); - - msleep(100); } static int mt7915_init_hardware(struct mt7915_dev *dev) @@ -568,15 +580,6 @@ static int mt7915_init_hardware(struct mt7915_dev *dev) set_bit(MT76_STATE_INITIALIZED, &dev->mphy.state); - /* - * force firmware operation mode into normal state, - * which should be set before firmware download stage. - */ - if (is_mt7915(&dev->mt76)) - mt76_wr(dev, MT_SWDEF_MODE, MT_SWDEF_NORMAL_MODE); - else - mt76_wr(dev, MT_SWDEF_MODE_MT7916, MT_SWDEF_NORMAL_MODE); - ret = mt7915_mcu_init(dev); if (ret) { /* Reset and try again */ diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c index d068266..6ea213b 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c @@ -2693,16 +2693,20 @@ static int mt7915_mcu_start_patch(struct mt7915_dev *dev) sizeof(req), true); } -static int mt7915_driver_own(struct mt7915_dev *dev) +static int mt7915_driver_own(struct mt7915_dev *dev, u8 band) { - mt76_wr(dev, MT_TOP_LPCR_HOST_BAND0, MT_TOP_LPCR_HOST_DRV_OWN); - if (!mt76_poll_msec(dev, MT_TOP_LPCR_HOST_BAND0, + mt76_wr(dev, MT_TOP_LPCR_HOST_BAND(band), MT_TOP_LPCR_HOST_DRV_OWN); + if (!mt76_poll_msec(dev, MT_TOP_LPCR_HOST_BAND(band), MT_TOP_LPCR_HOST_FW_OWN_STAT, 0, 500)) { dev_err(dev->mt76.dev, "Timeout for driver own\n"); return -EIO; } + /* clear irq when the driver own success */ + mt76_wr(dev, MT_TOP_LPCR_HOST_BAND_IRQ_STAT(band), + MT_TOP_LPCR_HOST_BAND_STAT); + return 0; } @@ -2732,6 +2736,7 @@ static int mt7915_load_patch(struct mt7915_dev *dev) { const struct mt7915_patch_hdr *hdr; const struct firmware *fw = NULL; + const char *patch; int i, ret, sem; sem = mt7915_mcu_patch_sem_ctrl(dev, 1); @@ -2745,7 +2750,8 @@ static int mt7915_load_patch(struct mt7915_dev *dev) return -EAGAIN; } - ret = request_firmware(&fw, MT7915_ROM_PATCH, dev->mt76.dev); + patch = is_mt7915(&dev->mt76) ? MT7915_ROM_PATCH : MT7916_ROM_PATCH; + ret = request_firmware(&fw, patch, dev->mt76.dev); if (ret) goto out; @@ -2876,9 +2882,11 @@ static int mt7915_load_ram(struct mt7915_dev *dev) { const struct mt7915_fw_trailer *hdr; const struct firmware *fw; + const char *mcu; int ret; - ret = request_firmware(&fw, MT7915_FIRMWARE_WM, dev->mt76.dev); + mcu = is_mt7915(&dev->mt76) ? MT7915_FIRMWARE_WM : MT7916_FIRMWARE_WM; + ret = request_firmware(&fw, mcu, dev->mt76.dev); if (ret) return ret; @@ -2902,7 +2910,8 @@ static int mt7915_load_ram(struct mt7915_dev *dev) release_firmware(fw); - ret = request_firmware(&fw, MT7915_FIRMWARE_WA, dev->mt76.dev); + mcu = is_mt7915(&dev->mt76) ? MT7915_FIRMWARE_WA : MT7916_FIRMWARE_WA; + ret = request_firmware(&fw, mcu, dev->mt76.dev); if (ret) return ret; @@ -2934,10 +2943,36 @@ out: return ret; } +static int +mt7915_firmware_state(struct mt7915_dev *dev, bool wa) +{ + u32 state = FIELD_PREP(MT_TOP_MISC_FW_STATE, + wa ? FW_STATE_RDY : FW_STATE_FW_DOWNLOAD); + + if (!mt76_poll_msec(dev, MT_TOP_MISC, MT_TOP_MISC_FW_STATE, + state, 1000)) { + dev_err(dev->mt76.dev, "Timeout for initializing firmware\n"); + return -EIO; + } + return 0; +} + static int mt7915_load_firmware(struct mt7915_dev *dev) { int ret; + /* make sure fw is download state */ + if (mt7915_firmware_state(dev, false)) { + /* restart firmware once */ + __mt76_mcu_restart(&dev->mt76); + ret = mt7915_firmware_state(dev, false); + if (ret) { + dev_err(dev->mt76.dev, + "Firmware is not ready for download\n"); + return ret; + } + } + ret = mt7915_load_patch(dev); if (ret) return ret; @@ -2946,12 +2981,9 @@ static int mt7915_load_firmware(struct mt7915_dev *dev) if (ret) return ret; - if (!mt76_poll_msec(dev, MT_TOP_MISC, MT_TOP_MISC_FW_STATE, - FIELD_PREP(MT_TOP_MISC_FW_STATE, - FW_STATE_RDY), 1000)) { - dev_err(dev->mt76.dev, "Timeout for initializing firmware\n"); - return -EIO; - } + ret = mt7915_firmware_state(dev, true); + if (ret) + return ret; mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[MT_MCUQ_FWDL], false); @@ -3117,9 +3149,23 @@ int mt7915_mcu_init(struct mt7915_dev *dev) dev->mt76.mcu_ops = &mt7915_mcu_ops; - ret = mt7915_driver_own(dev); + /* force firmware operation mode into normal state, + * which should be set before firmware download stage. + */ + if (is_mt7915(&dev->mt76)) + mt76_wr(dev, MT_SWDEF_MODE, MT_SWDEF_NORMAL_MODE); + else + mt76_wr(dev, MT_SWDEF_MODE_MT7916, MT_SWDEF_NORMAL_MODE); + + ret = mt7915_driver_own(dev, 0); if (ret) return ret; + /* set driver own for band1 when two hif exist */ + if (dev->hif2) { + ret = mt7915_driver_own(dev, 1); + if (ret) + return ret; + } ret = mt7915_load_firmware(dev); if (ret) @@ -3154,14 +3200,15 @@ int mt7915_mcu_init(struct mt7915_dev *dev) void mt7915_mcu_exit(struct mt7915_dev *dev) { __mt76_mcu_restart(&dev->mt76); - if (!mt76_poll_msec(dev, MT_TOP_MISC, MT_TOP_MISC_FW_STATE, - FIELD_PREP(MT_TOP_MISC_FW_STATE, - FW_STATE_FW_DOWNLOAD), 1000)) { + if (mt7915_firmware_state(dev, false)) { dev_err(dev->mt76.dev, "Failed to exit mcu\n"); return; } - mt76_wr(dev, MT_TOP_LPCR_HOST_BAND0, MT_TOP_LPCR_HOST_FW_OWN); + mt76_wr(dev, MT_TOP_LPCR_HOST_BAND(0), MT_TOP_LPCR_HOST_FW_OWN); + if (dev->hif2) + mt76_wr(dev, MT_TOP_LPCR_HOST_BAND(1), + MT_TOP_LPCR_HOST_FW_OWN); skb_queue_purge(&dev->mt76.mcu.res_q); } diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h index 673c2d7..d4449e3 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h @@ -30,6 +30,10 @@ #define MT7915_FIRMWARE_WM "mediatek/mt7915_wm.bin" #define MT7915_ROM_PATCH "mediatek/mt7915_rom_patch.bin" +#define MT7916_FIRMWARE_WA "mediatek/mt7916_wa.bin" +#define MT7916_FIRMWARE_WM "mediatek/mt7916_wm.bin" +#define MT7916_ROM_PATCH "mediatek/mt7916_rom_patch.bin" + #define MT7915_EEPROM_DEFAULT "mediatek/mt7915_eeprom.bin" #define MT7915_EEPROM_DEFAULT_DBDC "mediatek/mt7915_eeprom_dbdc.bin" diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/pci.c b/drivers/net/wireless/mediatek/mt76/mt7915/pci.c index e4854a4..5d6adcd 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/pci.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/pci.c @@ -167,3 +167,6 @@ MODULE_DEVICE_TABLE(pci, mt7915_hif_device_table); MODULE_FIRMWARE(MT7915_FIRMWARE_WA); MODULE_FIRMWARE(MT7915_FIRMWARE_WM); MODULE_FIRMWARE(MT7915_ROM_PATCH); +MODULE_FIRMWARE(MT7916_FIRMWARE_WA); +MODULE_FIRMWARE(MT7916_FIRMWARE_WM); +MODULE_FIRMWARE(MT7916_ROM_PATCH); diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/regs.h b/drivers/net/wireless/mediatek/mt76/mt7915/regs.h index a8e864a..1168a62 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/regs.h +++ b/drivers/net/wireless/mediatek/mt76/mt7915/regs.h @@ -729,17 +729,21 @@ enum offs_rev { #define MT_TOP_BASE 0x18060000 #define MT_TOP(ofs) (MT_TOP_BASE + (ofs)) -#define MT_TOP_LPCR_HOST_BAND0 MT_TOP(0x10) +#define MT_TOP_LPCR_HOST_BAND(_band) MT_TOP(0x10 + ((_band) * 0x10)) #define MT_TOP_LPCR_HOST_FW_OWN BIT(0) #define MT_TOP_LPCR_HOST_DRV_OWN BIT(1) #define MT_TOP_LPCR_HOST_FW_OWN_STAT BIT(2) +#define MT_TOP_LPCR_HOST_BAND_IRQ_STAT(_band) MT_TOP(0x14 + ((_band) * 0x10)) +#define MT_TOP_LPCR_HOST_BAND_STAT BIT(0) + #define MT_TOP_MISC MT_TOP(0xf0) #define MT_TOP_MISC_FW_STATE GENMASK(2, 0) #define MT_HW_BOUND 0x70010020 #define MT_HW_CHIPID 0x70010200 #define MT_HW_REV 0x70010204 +#define MT_WF_SUBSYS_RST 0x70002600 /* PCIE MAC */ #define MT_PCIE_MAC_BASE 0x74030000