From patchwork Thu Apr 28 09:33:49 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiaxin Yu X-Patchwork-Id: 12830270 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 alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (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 E036BC433F5 for ; Thu, 28 Apr 2022 09:38:15 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 38FC11638; Thu, 28 Apr 2022 11:37:24 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 38FC11638 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1651138694; bh=VPd56KbThGY9Y5e6a18yAmm+0ZMyzxPUth5P/DU7PVw=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=I3NLh2bMFrZqUznqDZl9xue6TBvaAKUR3eMkYdhKBDVVnkIjU8vbSKSTPQ/zez/sG bB/piowyEr4S8a3OhGYA5F1SiFCFmYb4dttqx7fORoKeD0SP8DzZnO6CTycBkmoMSI L1itLWt1odEpTEMxJ3dClyona9uX2LabmURWSTIY= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id A3DB0F80567; Thu, 28 Apr 2022 11:34:50 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id CAACCF80539; Thu, 28 Apr 2022 11:34:31 +0200 (CEST) Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 38AEDF804FE for ; Thu, 28 Apr 2022 11:34:13 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 38AEDF804FE X-UUID: ab291a0b36b04045804852b3720d6dec-20220428 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.4, REQID:fe1534ae-46b2-4522-8cc2-214e0d0887df, OB:0, LO B:0,IP:0,URL:0,TC:0,Content:-20,EDM:0,RT:0,SF:0,FILE:0,RULE:Release_Ham,AC TION:release,TS:-20 X-CID-META: VersionHash:faefae9, CLOUDID:0059082f-6199-437e-8ab4-9920b4bc5b76, C OID:IGNORED,Recheck:0,SF:nil,TC:nil,Content:0,EDM:-3,File:nil,QS:0,BEC:nil X-UUID: ab291a0b36b04045804852b3720d6dec-20220428 Received: from mtkexhb02.mediatek.inc [(172.21.101.103)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 139911879; Thu, 28 Apr 2022 17:34:09 +0800 Received: from mtkcas10.mediatek.inc (172.21.101.39) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.3; Thu, 28 Apr 2022 17:34:08 +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; Thu, 28 Apr 2022 17:34:08 +0800 From: Jiaxin Yu To: , , Subject: [v4 12/18] ASoC: mediatek: mt8186: support gpio control in platform driver Date: Thu, 28 Apr 2022 17:33:49 +0800 Message-ID: <20220428093355.16172-13-jiaxin.yu@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220428093355.16172-1-jiaxin.yu@mediatek.com> References: <20220428093355.16172-1-jiaxin.yu@mediatek.com> MIME-Version: 1.0 X-MTK: N Cc: devicetree@vger.kernel.org, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, Jiaxin Yu , Project_Global_Chrome_Upstream_Group@mediatek.com, tzungbi@google.com, linux-mediatek@lists.infradead.org, trevor.wu@mediatek.com, matthias.bgg@gmail.com, aaronyu@google.com, julianbraha@gmail.com, linux-arm-kernel@lists.infradead.org X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" 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