From patchwork Sat Aug 28 17:02:38 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ryder Lee X-Patchwork-Id: 12463591 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=-17.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 91A96C432BE for ; Sat, 28 Aug 2021 17:03:14 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 21D8060E93 for ; Sat, 28 Aug 2021 17:03:14 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 21D8060E93 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:CC :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=RC8NLsKxHW5RbTmySonUTcJ/KWwNhW+CUywO49qLax4=; b=l2Zos4r7yvPaL4 M9x156DNp3zg+b5rORbyehB1d1dLmwsFAW8xNisD/11Lpbu6n9zViZJbW52b8CQ/4oRGCEDxJ/wzc +ywFpvB9eB/5hMcPohOgZMyho9Q7QZvMSIDx+9xQzaOsI3OSZmMgzKhXLZEj2tYIfW9zqdfxanJ3N VS45dAgPa8aH3t6mKi1qXqrcV5yzvPRFf/fauzRlN+Wxb8pPjtTKlkYt5CvNWZbZylQI8p2DJW1Lg 9F09GKDt8bAQoWTcra+vJkc/Is2rua0y6F4uliXhYbyyl1SZ+hXtTfgT8KlaNzA+LBjcUzrUT/Dkz SgQPc7k7fUuV3rBZ67Pg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mK1jL-00EX4e-2V; Sat, 28 Aug 2021 17:02:55 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mK1jD-00EX40-L1 for linux-mediatek@lists.infradead.org; Sat, 28 Aug 2021 17:02:52 +0000 X-UUID: 3394fc4f4bc4423795aca9e3a21078ba-20210828 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:Message-ID:Date:Subject:CC:To:From; bh=/mD5oFugG40c3fDq7dp1Exzqtk/jtQljzqt+rPDSqyI=; b=imwsQkVYKgSrtmPPjAzNADqmb50dmqJ//PjrRtlPyjxLRt639/Bj4rrG31ZuNPIdT46Q97JI+Q2Kz6N/SHhTa8js51nPgWQQ70fb95z1A7x+xQFuneHZx/acA4IPr6X0omUbvQ0XKMSNOSEOcWyg7PwS11ATSF7lFR62H7A+4tM=; X-UUID: 3394fc4f4bc4423795aca9e3a21078ba-20210828 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1478238948; Sat, 28 Aug 2021 10:02:42 -0700 Received: from mtkmbs05n2.mediatek.inc (172.21.101.140) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sat, 28 Aug 2021 10:02:41 -0700 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkmbs05n2.mediatek.inc (172.21.101.140) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sun, 29 Aug 2021 01:02:39 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Sun, 29 Aug 2021 01:02:39 +0800 From: Ryder Lee To: Felix Fietkau CC: Lorenzo Bianconi , Shayne Chen , Evelyn Tsai , , , MeiChia Chiu , Ryder Lee , Money Wang Subject: [PATCH v3] mt76: mt7915: add LED support Date: Sun, 29 Aug 2021 01:02:38 +0800 Message-ID: X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210828_100249_151140_E0C8D2CC X-CRM114-Status: GOOD ( 16.18 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org From: MeiChia Chiu Initialize brightness_set and blink_set callbacks to enable LED support. The base 0x7c000000 is MCU space so driver can't touch it, and should map the LED base to 0x18000000 host's view. Signed-off-by: MeiChia Chiu Signed-off-by: Ryder Lee Signed-off-by: Money Wang --- v3 - initialize the variable v2 - define the registers as being in the 0x18000000 range --- .../net/wireless/mediatek/mt76/mt7915/init.c | 69 +++++++++++++++++++ .../net/wireless/mediatek/mt76/mt7915/mmio.c | 3 +- .../net/wireless/mediatek/mt76/mt7915/regs.h | 19 +++++ 3 files changed, 89 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/init.c b/drivers/net/wireless/mediatek/mt76/mt7915/init.c index ba41ed38a4c5..6208f5662704 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/init.c @@ -187,6 +187,64 @@ static int mt7915_thermal_init(struct mt7915_phy *phy) return 0; } +static void mt7915_led_set_config(struct led_classdev *led_cdev, + u8 delay_on, u8 delay_off) +{ + struct mt7915_dev *dev; + struct mt76_dev *mt76; + u32 val; + + mt76 = container_of(led_cdev, struct mt76_dev, led_cdev); + dev = container_of(mt76, struct mt7915_dev, mt76); + + /* select TX blink mode, 2: only data frames */ + mt76_rmw_field(dev, MT_TMAC_TCR0(0), MT_TMAC_TCR0_TX_BLINK, 2); + + /* enable LED */ + mt76_wr(dev, MT_LED_EN(0), 1); + + /* set LED Tx blink on/off time */ + val = FIELD_PREP(MT_LED_TX_BLINK_ON_MASK, delay_on) | + FIELD_PREP(MT_LED_TX_BLINK_OFF_MASK, delay_off); + mt76_wr(dev, MT_LED_TX_BLINK(0), val); + + /* control LED */ + val = MT_LED_CTRL_BLINK_MODE | MT_LED_CTRL_KICK; + if (dev->mt76.led_al) + val |= MT_LED_CTRL_POLARITY; + + mt76_wr(dev, MT_LED_CTRL(0), val); + mt76_clear(dev, MT_LED_CTRL(0), MT_LED_CTRL_KICK); +} + +static int mt7915_led_set_blink(struct led_classdev *led_cdev, + unsigned long *delay_on, + unsigned long *delay_off) +{ + u16 delta_on = 0, delta_off = 0; + +#define HW_TICK 10 +#define TO_HW_TICK(_t) (((_t) > HW_TICK) ? ((_t) / HW_TICK) : HW_TICK) + + if (*delay_on) + delta_on = TO_HW_TICK(*delay_on); + if (*delay_off) + delta_off = TO_HW_TICK(*delay_off); + + mt7915_led_set_config(led_cdev, delta_on, delta_off); + + return 0; +} + +static void mt7915_led_set_brightness(struct led_classdev *led_cdev, + enum led_brightness brightness) +{ + if (!brightness) + mt7915_led_set_config(led_cdev, 0, 0xff); + else + mt7915_led_set_config(led_cdev, 0xff, 0); +} + static void mt7915_init_txpower(struct mt7915_dev *dev, struct ieee80211_supported_band *sband) @@ -341,6 +399,11 @@ static void mt7915_mac_init(struct mt7915_dev *dev) MT_WTBL_UPDATE_ADM_COUNT_CLEAR); for (i = 0; i < 2; i++) mt7915_mac_init_band(dev, i); + + if (IS_ENABLED(CONFIG_MT76_LEDS)) { + i = dev->mt76.led_pin ? MT_LED_GPIO_MUX3 : MT_LED_GPIO_MUX2; + mt76_rmw_field(dev, i, MT_LED_GPIO_SEL_MASK, 4); + } } static int mt7915_txbf_init(struct mt7915_dev *dev) @@ -847,6 +910,12 @@ int mt7915_register_device(struct mt7915_dev *dev) dev->mt76.test_ops = &mt7915_testmode_ops; #endif + /* init led callbacks */ + if (IS_ENABLED(CONFIG_MT76_LEDS)) { + dev->mt76.led_cdev.brightness_set = mt7915_led_set_brightness; + dev->mt76.led_cdev.blink_set = mt7915_led_set_blink; + } + ret = mt76_register_device(&dev->mt76, true, mt76_rates, ARRAY_SIZE(mt76_rates)); if (ret) diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mmio.c b/drivers/net/wireless/mediatek/mt76/mt7915/mmio.c index bb5522446eab..1f6ba306c850 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mmio.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mmio.c @@ -95,8 +95,7 @@ static u32 __mt7915_reg_addr(struct mt7915_dev *dev, u32 addr) } if ((addr >= 0x18000000 && addr < 0x18c00000) || - (addr >= 0x70000000 && addr < 0x78000000) || - (addr >= 0x7c000000 && addr < 0x7c400000)) + (addr >= 0x70000000 && addr < 0x78000000)) return mt7915_reg_map_l1(dev, addr); return mt7915_reg_map_l2(dev, addr); diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/regs.h b/drivers/net/wireless/mediatek/mt76/mt7915/regs.h index 724988f16107..05eb70645a7c 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/regs.h +++ b/drivers/net/wireless/mediatek/mt76/mt7915/regs.h @@ -57,6 +57,7 @@ #define MT_WF_TMAC(_band, ofs) (MT_WF_TMAC_BASE(_band) + (ofs)) #define MT_TMAC_TCR0(_band) MT_WF_TMAC(_band, 0) +#define MT_TMAC_TCR0_TX_BLINK GENMASK(7, 6) #define MT_TMAC_TCR0_TBTT_STOP_CTRL BIT(25) #define MT_TMAC_CDTR(_band) MT_WF_TMAC(_band, 0x090) @@ -435,6 +436,20 @@ #define MT_SWDEF_ICAP_MODE 1 #define MT_SWDEF_SPECTRUM_MODE 2 +#define MT_LED_TOP_BASE 0x18013000 +#define MT_LED_PHYS(_n) (MT_LED_TOP_BASE + (_n)) + +#define MT_LED_CTRL(_n) MT_LED_PHYS(0x00 + ((_n) * 4)) +#define MT_LED_CTRL_KICK BIT(7) +#define MT_LED_CTRL_BLINK_MODE BIT(2) +#define MT_LED_CTRL_POLARITY BIT(1) + +#define MT_LED_TX_BLINK(_n) MT_LED_PHYS(0x10 + ((_n) * 4)) +#define MT_LED_TX_BLINK_ON_MASK GENMASK(7, 0) +#define MT_LED_TX_BLINK_OFF_MASK GENMASK(15, 8) + +#define MT_LED_EN(_n) MT_LED_PHYS(0x40 + ((_n) * 4)) + #define MT_TOP_BASE 0x18060000 #define MT_TOP(ofs) (MT_TOP_BASE + (ofs)) @@ -445,6 +460,10 @@ #define MT_TOP_MISC MT_TOP(0xf0) #define MT_TOP_MISC_FW_STATE GENMASK(2, 0) +#define MT_LED_GPIO_MUX2 0x70005058 /* GPIO 18 */ +#define MT_LED_GPIO_MUX3 0x7000505C /* GPIO 26 */ +#define MT_LED_GPIO_SEL_MASK GENMASK(11, 8) + #define MT_HW_BOUND 0x70010020 #define MT_HW_CHIPID 0x70010200 #define MT_HW_REV 0x70010204