From patchwork Thu May 12 08:22:15 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tinghan Shen X-Patchwork-Id: 12847310 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 F1EBDC433F5 for ; Thu, 12 May 2022 08:23:53 +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=/HwRNVw0xLrFkVMSWNcvEzPsJxULCxB8fwdoY5y0Yoo=; b=ntrB5sio1MC9Ep JDYlWbSsOrvGzqetq4oUgCLDHPJlNG1MtNlXdIJVfdoxuwkADo/XWLle1hULISFnLlpWSrvDz0zNi WExZ+F02E93vgwwDfI75U7VHYyUl56KC2/OVgXK/CllZgjw5oi+cl1W/Pf5EJHrY3sT4syFuMBk9f m8PvzMJY06SCIrF4hpGRAZLA9TDVeQlpqEcN/LmXK+vIf/GHSWn2E8w4HLpgl0K12g58LSDbdb87G EV9eoJJmPS02M8cnyG/KeEoaj9R9JQqzQZ5r8JkkPAR1tz3o/yKRvJKxC+54uEZWSbj+V3Wt0xdGO jcXztBYLqtGYykPS53jg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1np45y-00Avd4-Ey; Thu, 12 May 2022 08:22:50 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1np45i-00AvY8-8j; Thu, 12 May 2022 08:22:35 +0000 X-UUID: 675fd01bf9d54b0ca5fd455c3fc667bd-20220512 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.4, REQID:f145c859-9d64-4511-a3b3-4c067daaaffe, 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:18210aa7-eab7-4b74-a74d-5359964535a9, C OID:IGNORED,Recheck:0,SF:nil,TC:nil,Content:0,EDM:-3,File:nil,QS:0,BEC:nil X-UUID: 675fd01bf9d54b0ca5fd455c3fc667bd-20220512 Received: from mtkcas68.mediatek.inc [(172.29.94.19)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 663372533; Thu, 12 May 2022 01:22:30 -0700 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 12 May 2022 01:22:29 -0700 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) by mtkmbs11n2.mediatek.inc (172.21.101.187) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.792.3; Thu, 12 May 2022 16:22:27 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.3 via Frontend Transport; Thu, 12 May 2022 16:22:27 +0800 From: Tinghan Shen To: Matthias Brugger , Pierre-Louis Bossart , Liam Girdwood , Ranjani Sridharan , Kai Vehmanen , Daniel Baluta , "Mark Brown" , Jaroslav Kysela , Takashi Iwai , Javier Martinez Canillas , "Thomas Zimmermann" , Daniel Vetter , Bjorn Andersson , Sudeep Holla , Michal Suchanek , Shuai Xue , Simon Trimmer , Cristian Marussi , TingHan Shen , Arnd Bergmann , Borislav Petkov , Greg Kroah-Hartman , John Stultz , Curtis Malainey , AngeloGioacchino Del Regno , Allen-KH Cheng , YC Hung , Tzung-Bi Shih , Yang Yingliang , Geert Uytterhoeven , =?utf-8?q?P=C3=A9ter_Ujfalusi?= CC: , , , , , , Allen-KH Cheng Subject: [PATCH v9 3/3] ASoC: SOF: mediatek: Add mt8186 ipc support Date: Thu, 12 May 2022 16:22:15 +0800 Message-ID: <20220512082215.3018-4-tinghan.shen@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20220512082215.3018-1-tinghan.shen@mediatek.com> References: <20220512082215.3018-1-tinghan.shen@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-20220512_012234_358682_339A1708 X-CRM114-Status: GOOD ( 25.17 ) 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 mt8186 DSP uses two hardware mailbox IP to communicate with AP. One mailbox is used for requests coming from AP, and the other one is for requests from DSP. Signed-off-by: Allen-KH Cheng Signed-off-by: Tinghan Shen --- sound/soc/sof/mediatek/Kconfig | 1 + sound/soc/sof/mediatek/mt8186/mt8186-loader.c | 5 + sound/soc/sof/mediatek/mt8186/mt8186.c | 141 ++++++++++++++++++ 3 files changed, 147 insertions(+) diff --git a/sound/soc/sof/mediatek/Kconfig b/sound/soc/sof/mediatek/Kconfig index f1fa15c41891..a149dd1b3f44 100644 --- a/sound/soc/sof/mediatek/Kconfig +++ b/sound/soc/sof/mediatek/Kconfig @@ -24,6 +24,7 @@ config SND_SOC_SOF_MTK_COMMON config SND_SOC_SOF_MT8186 tristate "SOF support for MT8186 audio DSP" select SND_SOC_SOF_MTK_COMMON + depends on MTK_ADSP_IPC help This adds support for Sound Open Firmware for Mediatek platforms using the mt8186 processors. diff --git a/sound/soc/sof/mediatek/mt8186/mt8186-loader.c b/sound/soc/sof/mediatek/mt8186/mt8186-loader.c index 548b12c33d8a..946e6c43204f 100644 --- a/sound/soc/sof/mediatek/mt8186/mt8186-loader.c +++ b/sound/soc/sof/mediatek/mt8186/mt8186-loader.c @@ -17,6 +17,11 @@ void mt8186_sof_hifixdsp_boot_sequence(struct snd_sof_dev *sdev, u32 boot_addr) snd_sof_dsp_update_bits(sdev, DSP_REG_BAR, ADSP_HIFI_IO_CONFIG, RUNSTALL, RUNSTALL); + /* enable mbox 0 & 1 IRQ */ + snd_sof_dsp_update_bits(sdev, DSP_REG_BAR, ADSP_MBOX_IRQ_EN, + DSP_MBOX0_IRQ_EN | DSP_MBOX1_IRQ_EN, + DSP_MBOX0_IRQ_EN | DSP_MBOX1_IRQ_EN); + /* set core boot address */ snd_sof_dsp_write(sdev, DSP_SECREG_BAR, ADSP_ALTVEC_C0, boot_addr); snd_sof_dsp_write(sdev, DSP_SECREG_BAR, ADSP_ALTVECSEL, ADSP_ALTVECSEL_C0); diff --git a/sound/soc/sof/mediatek/mt8186/mt8186.c b/sound/soc/sof/mediatek/mt8186/mt8186.c index 6d574fd4492e..3333a0634e29 100644 --- a/sound/soc/sof/mediatek/mt8186/mt8186.c +++ b/sound/soc/sof/mediatek/mt8186/mt8186.c @@ -27,6 +27,99 @@ #include "mt8186.h" #include "mt8186-clk.h" +static int mt8186_get_mailbox_offset(struct snd_sof_dev *sdev) +{ + return MBOX_OFFSET; +} + +static int mt8186_get_window_offset(struct snd_sof_dev *sdev, u32 id) +{ + return MBOX_OFFSET; +} + +static int mt8186_send_msg(struct snd_sof_dev *sdev, + struct snd_sof_ipc_msg *msg) +{ + struct adsp_priv *priv = sdev->pdata->hw_pdata; + + sof_mailbox_write(sdev, sdev->host_box.offset, msg->msg_data, + msg->msg_size); + + return mtk_adsp_ipc_send(priv->dsp_ipc, MTK_ADSP_IPC_REQ, MTK_ADSP_IPC_OP_REQ); +} + +static void mt8186_get_reply(struct snd_sof_dev *sdev) +{ + struct snd_sof_ipc_msg *msg = sdev->msg; + struct sof_ipc_reply reply; + int ret = 0; + + if (!msg) { + dev_warn(sdev->dev, "unexpected ipc interrupt\n"); + return; + } + + /* get reply */ + sof_mailbox_read(sdev, sdev->host_box.offset, &reply, sizeof(reply)); + if (reply.error < 0) { + memcpy(msg->reply_data, &reply, sizeof(reply)); + ret = reply.error; + } else { + /* reply has correct size? */ + if (reply.hdr.size != msg->reply_size) { + dev_err(sdev->dev, "error: reply expected %zu got %u bytes\n", + msg->reply_size, reply.hdr.size); + ret = -EINVAL; + } + + /* read the message */ + if (msg->reply_size > 0) + sof_mailbox_read(sdev, sdev->host_box.offset, + msg->reply_data, msg->reply_size); + } + + msg->reply_error = ret; +} + +static void mt8186_dsp_handle_reply(struct mtk_adsp_ipc *ipc) +{ + struct adsp_priv *priv = mtk_adsp_ipc_get_data(ipc); + unsigned long flags; + + spin_lock_irqsave(&priv->sdev->ipc_lock, flags); + mt8186_get_reply(priv->sdev); + snd_sof_ipc_reply(priv->sdev, 0); + spin_unlock_irqrestore(&priv->sdev->ipc_lock, flags); +} + +static void mt8186_dsp_handle_request(struct mtk_adsp_ipc *ipc) +{ + struct adsp_priv *priv = mtk_adsp_ipc_get_data(ipc); + u32 p; /* panic code */ + int ret; + + /* Read the message from the debug box. */ + sof_mailbox_read(priv->sdev, priv->sdev->debug_box.offset + 4, + &p, sizeof(p)); + + /* Check to see if the message is a panic code 0x0dead*** */ + if ((p & SOF_IPC_PANIC_MAGIC_MASK) == SOF_IPC_PANIC_MAGIC) { + snd_sof_dsp_panic(priv->sdev, p, true); + } else { + snd_sof_ipc_msgs_rx(priv->sdev); + + /* tell DSP cmd is done */ + ret = mtk_adsp_ipc_send(priv->dsp_ipc, MTK_ADSP_IPC_RSP, MTK_ADSP_IPC_OP_RSP); + if (ret) + dev_err(priv->dev, "request send ipc failed"); + } +} + +static struct mtk_adsp_ipc_ops dsp_ops = { + .handle_reply = mt8186_dsp_handle_reply, + .handle_request = mt8186_dsp_handle_request, +}; + static int platform_parse_resource(struct platform_device *pdev, void *data) { struct resource *mmio; @@ -271,6 +364,9 @@ static int mt8186_dsp_probe(struct snd_sof_dev *sdev) sdev->mmio_bar = SOF_FW_BLK_TYPE_SRAM; sdev->mailbox_bar = SOF_FW_BLK_TYPE_SRAM; + /* set default mailbox offset for FW ready message */ + sdev->dsp_box.offset = mt8186_get_mailbox_offset(sdev); + ret = adsp_memory_remap_init(sdev, priv->adsp); if (ret) { dev_err(sdev->dev, "adsp_memory_remap_init fail!\n"); @@ -292,11 +388,41 @@ static int mt8186_dsp_probe(struct snd_sof_dev *sdev) adsp_sram_power_on(sdev); + priv->ipc_dev = platform_device_register_data(&pdev->dev, "mtk-adsp-ipc", + PLATFORM_DEVID_NONE, + pdev, sizeof(*pdev)); + if (IS_ERR(priv->ipc_dev)) { + ret = IS_ERR(priv->ipc_dev); + dev_err(sdev->dev, "failed to create mtk-adsp-ipc device\n"); + goto err_adsp_off; + } + + priv->dsp_ipc = dev_get_drvdata(&priv->ipc_dev->dev); + if (!priv->dsp_ipc) { + ret = -EPROBE_DEFER; + dev_err(sdev->dev, "failed to get drvdata\n"); + goto exit_pdev_unregister; + } + + mtk_adsp_ipc_set_data(priv->dsp_ipc, priv); + priv->dsp_ipc->ops = &dsp_ops; + return 0; + +exit_pdev_unregister: + platform_device_unregister(priv->ipc_dev); +err_adsp_off: + adsp_sram_power_off(sdev); + mt8186_adsp_clock_off(sdev); + + return ret; } static int mt8186_dsp_remove(struct snd_sof_dev *sdev) { + struct adsp_priv *priv = sdev->pdata->hw_pdata; + + platform_device_unregister(priv->ipc_dev); mt8186_sof_hifixdsp_shutdown(sdev); adsp_sram_power_off(sdev); mt8186_adsp_clock_off(sdev); @@ -334,6 +460,14 @@ static int mt8186_get_bar_index(struct snd_sof_dev *sdev, u32 type) return type; } +static int mt8186_ipc_msg_data(struct snd_sof_dev *sdev, + struct snd_pcm_substream *substream, + void *p, size_t sz) +{ + sof_mailbox_read(sdev, sdev->dsp_box.offset, p, sz); + return 0; +} + /* mt8186 ops */ static struct snd_sof_dsp_ops sof_mt8186_ops = { /* probe and remove */ @@ -353,6 +487,13 @@ static struct snd_sof_dsp_ops sof_mt8186_ops = { .write64 = sof_io_write64, .read64 = sof_io_read64, + /* ipc */ + .send_msg = mt8186_send_msg, + .get_mailbox_offset = mt8186_get_mailbox_offset, + .get_window_offset = mt8186_get_window_offset, + .ipc_msg_data = mt8186_ipc_msg_data, + .set_stream_data_offset = sof_set_stream_data_offset, + /* misc */ .get_bar_index = mt8186_get_bar_index,