From patchwork Sun Mar 13 15:10:16 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiaxin Yu X-Patchwork-Id: 12779300 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 BD635C433F5 for ; Sun, 13 Mar 2022 15:12:58 +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=wlazAJyMurXcvoZkDLCpYh+IdoCTG9bEF9pO1M1A6hw=; b=34clBuiS/yUplu w14n4NcpiRE2wFAQjoBm+czj7QmiVlsgMx1hZTn9u/eLX45HotWVNZ8MJYrgwGt6D+5/cUz6G+4mU YTiSzHl43y4AgxQbmtnZr4gXjFi11jMfkAiipf5VoflbOko2Yg96SJey6rSyCAEnm9AlrcTis1w95 cwwRVhouft9i8u7VE6ERwbjUTDVp3ujcPKW3xxYubwllbhhZuoQ6hFEczxKFTAM3OJwUbJYp7xgPE 4UdbCFETGykY6MvV0uJIIz/vRURVqoFW0iScWNT8ftmYtFSTdo/b1JTpn5gXRZsaVJJgeV/mw8TB8 uBO+gNcTFw8caLEe1zQA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nTPtr-002wT7-Oj; Sun, 13 Mar 2022 15:12:51 +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 1nTPrr-002v7y-T4; Sun, 13 Mar 2022 15:10:49 +0000 X-UUID: 4574e026eeff43468fc68a6f092b4a53-20220313 X-UUID: 4574e026eeff43468fc68a6f092b4a53-20220313 Received: from mtkcas68.mediatek.inc [(172.29.94.19)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1979746396; Sun, 13 Mar 2022 08:10:41 -0700 Received: from mtkmbs07n1.mediatek.inc (172.21.101.16) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sun, 13 Mar 2022 08:10:39 -0700 Received: from mtkcas10.mediatek.inc (172.21.101.39) by mtkmbs07n1.mediatek.inc (172.21.101.16) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sun, 13 Mar 2022 23:10:37 +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; Sun, 13 Mar 2022 23:10:36 +0800 From: Jiaxin Yu To: , , CC: , , , , , , , , , , , Jiaxin Yu Subject: [v3 12/19] ASoC: mediatek: mt8186: support gpio control in platform driver Date: Sun, 13 Mar 2022 23:10:16 +0800 Message-ID: <20220313151023.21229-13-jiaxin.yu@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220313151023.21229-1-jiaxin.yu@mediatek.com> References: <20220313151023.21229-1-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-20220313_081048_020450_1D8302FB X-CRM114-Status: GOOD ( 17.19 ) 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 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