From patchwork Mon May 23 13:28:50 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiaxin Yu X-Patchwork-Id: 12859079 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id A072EC433F5 for ; Mon, 23 May 2022 13:44:42 +0000 (UTC) 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:References:In-Reply-To: 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: List-Owner; bh=XF+r7cugg2OP64BCFznEaUYZ6Q5iU+lWwxLRvb/h2vY=; b=R+rjHTo7nDNIMq pXQy013chU7Nyt8lcOXgNvw6nYOewQor6HH25J8rffW+KCYwqQJ08OIrlhUGSVMTINW93tzu5/pNS ZMr8e2BTiYPqlEMkLSmxUZPleBG6C83+S6QGlO6vzohqO4/sVFX3XfAIgvQ2lHP35XAT7okAB7kSc yvCZE09cBEwFAFcWBVDtOwBe1r483v1cVuaIN4RYo5hIxDQ6VkZudjUUnWRGHPGb1mT91zM6i4c+B oJurOZpm65b1Cpo20juPGS+EwxMILf3BubKdPA62ea5cusLe2+Qz6ZK2slEC37KPeE4L7y27/t79/ lTSQdXAtRYXt2jiYQvhA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nt8L2-004UaI-AR; Mon, 23 May 2022 13:43:12 +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 1nt8HG-004SkA-RA; Mon, 23 May 2022 13:39:28 +0000 X-UUID: 93ed12183a7f460d9608a638db823d21-20220523 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.5, REQID:e843d853-ca24-4ec9-bea2-cc4644b3202a, OB:0, LO B:0,IP:0,URL:0,TC:0,Content:-5,EDM:0,RT:0,SF:0,FILE:0,RULE:Release_Ham,ACT ION:release,TS:-5 X-CID-META: VersionHash:2a19b09, CLOUDID:ce204e7a-5ef6-470b-96c9-bdb8ced32786, C OID:IGNORED,Recheck:0,SF:nil,TC:nil,Content:0,EDM:-3,IP:nil,URL:0,File:nil ,QS:0,BEC:nil X-UUID: 93ed12183a7f460d9608a638db823d21-20220523 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 776208234; Mon, 23 May 2022 06:39:13 -0700 Received: from MTKMBS07N2.mediatek.inc (172.21.101.141) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 23 May 2022 06:29:14 -0700 Received: from mtkcas10.mediatek.inc (172.21.101.39) by mtkmbs07n2.mediatek.inc (172.21.101.141) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 23 May 2022 21:29:12 +0800 Received: from localhost.localdomain (10.17.3.154) by mtkcas10.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 23 May 2022 21:29:11 +0800 From: Jiaxin Yu To: , , CC: , , , , , , , , , , , Jiaxin Yu Subject: [PATCH v5 12/20] ASoC: mediatek: mt8186: support gpio control in platform driver Date: Mon, 23 May 2022 21:28:50 +0800 Message-ID: <20220523132858.22166-13-jiaxin.yu@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220523132858.22166-1-jiaxin.yu@mediatek.com> References: <20220523132858.22166-1-jiaxin.yu@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220523_063918_941299_8D75C172 X-CRM114-Status: GOOD ( 18.31 ) X-BeenThere: linux-arm-kernel@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-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add gpio control for all audio interface separately. Signed-off-by: Jiaxin Yu --- sound/soc/mediatek/mt8186/mt8186-afe-gpio.c | 244 ++++++++++++++++++++ sound/soc/mediatek/mt8186/mt8186-afe-gpio.h | 19 ++ 2 files changed, 263 insertions(+) create mode 100644 sound/soc/mediatek/mt8186/mt8186-afe-gpio.c create mode 100644 sound/soc/mediatek/mt8186/mt8186-afe-gpio.h diff --git a/sound/soc/mediatek/mt8186/mt8186-afe-gpio.c b/sound/soc/mediatek/mt8186/mt8186-afe-gpio.c new file mode 100644 index 000000000000..5ba28095b7da --- /dev/null +++ b/sound/soc/mediatek/mt8186/mt8186-afe-gpio.c @@ -0,0 +1,244 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// mt8186-afe-gpio.c -- Mediatek 8186 afe gpio ctrl +// +// Copyright (c) 2022 MediaTek Inc. +// Author: Jiaxin Yu + +#include +#include + +#include "mt8186-afe-common.h" +#include "mt8186-afe-gpio.h" + +struct pinctrl *aud_pinctrl; + +enum mt8186_afe_gpio { + MT8186_AFE_GPIO_CLK_MOSI_OFF, + MT8186_AFE_GPIO_CLK_MOSI_ON, + MT8186_AFE_GPIO_CLK_MISO_OFF, + MT8186_AFE_GPIO_CLK_MISO_ON, + MT8186_AFE_GPIO_DAT_MISO_OFF, + MT8186_AFE_GPIO_DAT_MISO_ON, + MT8186_AFE_GPIO_DAT_MOSI_OFF, + MT8186_AFE_GPIO_DAT_MOSI_ON, + MT8186_AFE_GPIO_I2S0_OFF, + MT8186_AFE_GPIO_I2S0_ON, + MT8186_AFE_GPIO_I2S1_OFF, + MT8186_AFE_GPIO_I2S1_ON, + MT8186_AFE_GPIO_I2S2_OFF, + MT8186_AFE_GPIO_I2S2_ON, + MT8186_AFE_GPIO_I2S3_OFF, + MT8186_AFE_GPIO_I2S3_ON, + MT8186_AFE_GPIO_TDM_OFF, + MT8186_AFE_GPIO_TDM_ON, + MT8186_AFE_GPIO_PCM_OFF, + MT8186_AFE_GPIO_PCM_ON, + MT8186_AFE_GPIO_GPIO_NUM +}; + +struct audio_gpio_attr { + const char *name; + bool gpio_prepare; + struct pinctrl_state *gpioctrl; +}; + +static struct audio_gpio_attr aud_gpios[MT8186_AFE_GPIO_GPIO_NUM] = { + [MT8186_AFE_GPIO_CLK_MOSI_OFF] = {"aud_clk_mosi_off", false, NULL}, + [MT8186_AFE_GPIO_CLK_MOSI_ON] = {"aud_clk_mosi_on", false, NULL}, + [MT8186_AFE_GPIO_CLK_MISO_OFF] = {"aud_clk_miso_off", false, NULL}, + [MT8186_AFE_GPIO_CLK_MISO_ON] = {"aud_clk_miso_on", false, NULL}, + [MT8186_AFE_GPIO_DAT_MISO_OFF] = {"aud_dat_miso_off", false, NULL}, + [MT8186_AFE_GPIO_DAT_MISO_ON] = {"aud_dat_miso_on", false, NULL}, + [MT8186_AFE_GPIO_DAT_MOSI_OFF] = {"aud_dat_mosi_off", false, NULL}, + [MT8186_AFE_GPIO_DAT_MOSI_ON] = {"aud_dat_mosi_on", false, NULL}, + [MT8186_AFE_GPIO_I2S0_OFF] = {"aud_gpio_i2s0_off", false, NULL}, + [MT8186_AFE_GPIO_I2S0_ON] = {"aud_gpio_i2s0_on", false, NULL}, + [MT8186_AFE_GPIO_I2S1_OFF] = {"aud_gpio_i2s1_off", false, NULL}, + [MT8186_AFE_GPIO_I2S1_ON] = {"aud_gpio_i2s1_on", false, NULL}, + [MT8186_AFE_GPIO_I2S2_OFF] = {"aud_gpio_i2s2_off", false, NULL}, + [MT8186_AFE_GPIO_I2S2_ON] = {"aud_gpio_i2s2_on", false, NULL}, + [MT8186_AFE_GPIO_I2S3_OFF] = {"aud_gpio_i2s3_off", false, NULL}, + [MT8186_AFE_GPIO_I2S3_ON] = {"aud_gpio_i2s3_on", false, NULL}, + [MT8186_AFE_GPIO_TDM_OFF] = {"aud_gpio_tdm_off", false, NULL}, + [MT8186_AFE_GPIO_TDM_ON] = {"aud_gpio_tdm_on", false, NULL}, + [MT8186_AFE_GPIO_PCM_OFF] = {"aud_gpio_pcm_off", false, NULL}, + [MT8186_AFE_GPIO_PCM_ON] = {"aud_gpio_pcm_on", false, NULL}, +}; + +static DEFINE_MUTEX(gpio_request_mutex); + +int mt8186_afe_gpio_init(struct device *dev) +{ + int i, j, ret; + + aud_pinctrl = devm_pinctrl_get(dev); + if (IS_ERR(aud_pinctrl)) { + ret = PTR_ERR(aud_pinctrl); + dev_err(dev, "%s(), ret %d, cannot get aud_pinctrl!\n", + __func__, ret); + return ret; + } + + for (i = 0; i < ARRAY_SIZE(aud_gpios); i++) { + aud_gpios[i].gpioctrl = pinctrl_lookup_state(aud_pinctrl, + aud_gpios[i].name); + if (IS_ERR(aud_gpios[i].gpioctrl)) { + ret = PTR_ERR(aud_gpios[i].gpioctrl); + dev_info(dev, "%s(), pinctrl_lookup_state %s fail, ret %d\n", + __func__, aud_gpios[i].name, ret); + } else { + aud_gpios[i].gpio_prepare = true; + } + } + + /* gpio status init */ + for (i = MT8186_DAI_ADDA; i <= MT8186_DAI_TDM_IN; i++) { + for (j = 0; j <= 1; j++) + mt8186_afe_gpio_request(dev, false, i, j); + } + + return 0; +} +EXPORT_SYMBOL_GPL(mt8186_afe_gpio_init); + +static int mt8186_afe_gpio_select(struct device *dev, + enum mt8186_afe_gpio type) +{ + int ret = 0; + + if (type < 0 || type >= MT8186_AFE_GPIO_GPIO_NUM) { + dev_err(dev, "%s(), error, invalid gpio type %d\n", + __func__, type); + return -EINVAL; + } + + if (!aud_gpios[type].gpio_prepare) { + dev_err(dev, "%s(), error, gpio type %d not prepared\n", + __func__, type); + return -EIO; + } + + ret = pinctrl_select_state(aud_pinctrl, + aud_gpios[type].gpioctrl); + if (ret) { + dev_err(dev, "%s(), error, can not set gpio type %d\n", + __func__, type); + return ret; + } + + return 0; +} + +static int mt8186_afe_gpio_adda_dl(struct device *dev, bool enable) +{ + int ret; + + if (enable) { + ret = mt8186_afe_gpio_select(dev, MT8186_AFE_GPIO_CLK_MOSI_ON); + if (ret) { + dev_err(dev, "%s(), MOSI CLK ON slect fail!\n", __func__); + return ret; + } + + ret = mt8186_afe_gpio_select(dev, MT8186_AFE_GPIO_DAT_MOSI_ON); + if (ret) { + dev_err(dev, "%s(), MOSI DAT ON slect fail!\n", __func__); + return ret; + } + } else { + ret = mt8186_afe_gpio_select(dev, MT8186_AFE_GPIO_DAT_MOSI_OFF); + if (ret) { + dev_err(dev, "%s(), MOSI DAT OFF slect fail!\n", __func__); + return ret; + } + + ret = mt8186_afe_gpio_select(dev, MT8186_AFE_GPIO_CLK_MOSI_OFF); + if (ret) { + dev_err(dev, "%s(), MOSI CLK ON slect fail!\n", __func__); + return ret; + } + } + + return 0; +} + +static int mt8186_afe_gpio_adda_ul(struct device *dev, bool enable) +{ + int ret; + + if (enable) { + ret = mt8186_afe_gpio_select(dev, MT8186_AFE_GPIO_CLK_MISO_ON); + if (ret) { + dev_err(dev, "%s(), MISO CLK ON slect fail!\n", __func__); + return ret; + } + + ret = mt8186_afe_gpio_select(dev, MT8186_AFE_GPIO_DAT_MISO_ON); + if (ret) { + dev_err(dev, "%s(), MISO DAT ON slect fail!\n", __func__); + return ret; + } + } else { + ret = mt8186_afe_gpio_select(dev, MT8186_AFE_GPIO_DAT_MISO_OFF); + if (ret) { + dev_err(dev, "%s(), MISO DAT OFF slect fail!\n", __func__); + return ret; + } + + ret = mt8186_afe_gpio_select(dev, MT8186_AFE_GPIO_CLK_MISO_OFF); + if (ret) { + dev_err(dev, "%s(), MISO CLK OFF slect fail!\n", __func__); + return ret; + } + } + + return 0; +} + +int mt8186_afe_gpio_request(struct device *dev, bool enable, + int dai, int uplink) +{ + enum mt8186_afe_gpio sel; + int ret = -EINVAL; + + mutex_lock(&gpio_request_mutex); + + switch (dai) { + case MT8186_DAI_ADDA: + if (uplink) + ret = mt8186_afe_gpio_adda_ul(dev, enable); + else + ret = mt8186_afe_gpio_adda_dl(dev, enable); + goto unlock; + case MT8186_DAI_I2S_0: + sel = enable ? MT8186_AFE_GPIO_I2S0_ON : MT8186_AFE_GPIO_I2S0_OFF; + break; + case MT8186_DAI_I2S_1: + sel = enable ? MT8186_AFE_GPIO_I2S1_ON : MT8186_AFE_GPIO_I2S1_OFF; + break; + case MT8186_DAI_I2S_2: + sel = enable ? MT8186_AFE_GPIO_I2S2_ON : MT8186_AFE_GPIO_I2S2_OFF; + break; + case MT8186_DAI_I2S_3: + sel = enable ? MT8186_AFE_GPIO_I2S3_ON : MT8186_AFE_GPIO_I2S3_OFF; + break; + case MT8186_DAI_TDM_IN: + sel = enable ? MT8186_AFE_GPIO_TDM_ON : MT8186_AFE_GPIO_TDM_OFF; + break; + case MT8186_DAI_PCM: + sel = enable ? MT8186_AFE_GPIO_PCM_ON : MT8186_AFE_GPIO_PCM_OFF; + break; + default: + mutex_unlock(&gpio_request_mutex); + dev_err(dev, "%s(), invalid dai %d\n", __func__, dai); + goto unlock; + } + + ret = mt8186_afe_gpio_select(dev, sel); + +unlock: + mutex_unlock(&gpio_request_mutex); + + return ret; +} diff --git a/sound/soc/mediatek/mt8186/mt8186-afe-gpio.h b/sound/soc/mediatek/mt8186/mt8186-afe-gpio.h new file mode 100644 index 000000000000..1ddc27838eb1 --- /dev/null +++ b/sound/soc/mediatek/mt8186/mt8186-afe-gpio.h @@ -0,0 +1,19 @@ +/* SPDX-License-Identifier: GPL-2.0 + * + * mt6833-afe-gpio.h -- Mediatek 6833 afe gpio ctrl definition + * + * Copyright (c) 2022 MediaTek Inc. + * Author: Jiaxin Yu + */ + +#ifndef _MT8186_AFE_GPIO_H_ +#define _MT8186_AFE_GPIO_H_ + +struct mtk_base_afe; + +int mt8186_afe_gpio_init(struct device *dev); + +int mt8186_afe_gpio_request(struct device *dev, bool enable, + int dai, int uplink); + +#endif