From patchwork Wed May 20 08:27:15 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandre Courbot X-Patchwork-Id: 11559745 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 8760014B7 for ; Wed, 20 May 2020 08:28:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 701EE20885 for ; Wed, 20 May 2020 08:28:35 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="iixtKacq" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726875AbgETI1y (ORCPT ); Wed, 20 May 2020 04:27:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56020 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726861AbgETI1u (ORCPT ); Wed, 20 May 2020 04:27:50 -0400 Received: from mail-pg1-x541.google.com (mail-pg1-x541.google.com [IPv6:2607:f8b0:4864:20::541]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0E93EC061A0F for ; Wed, 20 May 2020 01:27:50 -0700 (PDT) Received: by mail-pg1-x541.google.com with SMTP id c75so1103498pga.3 for ; Wed, 20 May 2020 01:27:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=UvKiXyFjGQL6mEGXl9GNs9QeAqkLMuJ/VOPN9uDsdJo=; b=iixtKacqsnQStdJUEOJFhNx/FPZOdSj6V/szkRCGgRK7ASPIyBINBzNWt7jTeLSso8 SGedK+SpYlg+FfLCbDix4ZHrPemu8g9LVQngvIWbwk8xuts2Q3BpEqFRFVPIzWINuuuU CjUXkLY8LclUNIryhznaMPozlcgTrW0TNlfR4= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=UvKiXyFjGQL6mEGXl9GNs9QeAqkLMuJ/VOPN9uDsdJo=; b=nRonTxVxYrzPnbg+GoPrDpNcqBYt43Qik62UMRnYkHHiDHDkykl126D9vVEi4oWz7g IEN3sMWzb9ceftU6jeJpcJs/7T3eoByZ9jNyNDyxUUGi6uMhSEqFC3i3xb4rOFzCAeae ss0BBRhK5hu6TVzRxsKEnlW9c9jU0nQ0Hg6zoV/8XI0HIKI/yi9XxfzsTQdo3ZTxoyzi pQwae4rbnThExBGNdVGyF4aWuhGee+LwLd55s+UyGCHOdz/LcLSJqoW91bqFaucQxvAJ 7sOVrXqbpxnIx3mr0seuHDSFWw5b9cYo3Ym+j4UAYetHqFm3AYg48z5ofrMtm6Wx0jHM fhHA== X-Gm-Message-State: AOAM533/RVsz+9vE7zpEQfuh7hVebZ2PLFOLc1AvUAv9ML+6EFnbaXTd 2HSUpotEUWQsB9W5IB4GjgGb9g== X-Google-Smtp-Source: ABdhPJyrtKtrZGLTf2NgWTg5QvHLzXCA5ZS/vuHMMBoJybDb4z/UsgxvAILhqOr+sGnEgH0crYUt4A== X-Received: by 2002:a62:3785:: with SMTP id e127mr3251167pfa.210.1589963269462; Wed, 20 May 2020 01:27:49 -0700 (PDT) Received: from acourbot.tok.corp.google.com ([2401:fa00:8f:203:93d9:de4d:e834:3086]) by smtp.gmail.com with ESMTPSA id gg8sm1447775pjb.39.2020.05.20.01.27.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 20 May 2020 01:27:48 -0700 (PDT) From: Alexandre Courbot To: Tiffany Lin , Andrew-CT Chen , Rui Wang , Yunfei Dong , Pi-Hsun Shih , Maoguang Meng Cc: linux-media@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, Alexandre Courbot Subject: [PATCH 02/10] media: mtk-vcodec: add SCP firmware ops Date: Wed, 20 May 2020 17:27:15 +0900 Message-Id: <20200520082723.96136-3-acourbot@chromium.org> X-Mailer: git-send-email 2.26.2.761.g0e0b3e54be-goog In-Reply-To: <20200520082723.96136-1-acourbot@chromium.org> References: <20200520082723.96136-1-acourbot@chromium.org> MIME-Version: 1.0 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org From: Yunfei Dong Add support for communicating with the SCP firmware, which will be used by MT8183. Signed-off-by: Yunfei Dong [acourbot: refactor, cleanup and split] Co-developed-by: Alexandre Courbot Signed-off-by: Alexandre Courbot Acked-by: Tiffany Lin --- drivers/media/platform/Kconfig | 2 + .../platform/mtk-vcodec/mtk_vcodec_dec_drv.c | 3 + .../platform/mtk-vcodec/mtk_vcodec_enc_drv.c | 3 + .../media/platform/mtk-vcodec/mtk_vcodec_fw.c | 56 +++++++++++++++++++ .../media/platform/mtk-vcodec/mtk_vcodec_fw.h | 2 + 5 files changed, 66 insertions(+) diff --git a/drivers/media/platform/Kconfig b/drivers/media/platform/Kconfig index c57ee78fa99d..9b11dd6b1ef3 100644 --- a/drivers/media/platform/Kconfig +++ b/drivers/media/platform/Kconfig @@ -256,6 +256,8 @@ config VIDEO_MEDIATEK_VCODEC select VIDEOBUF2_DMA_CONTIG select V4L2_MEM2MEM_DEV select VIDEO_MEDIATEK_VPU + select MTK_SCP + default n help Mediatek video codec driver provides HW capability to encode and decode in a range of video formats diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c index 4f07a5fcce7f..5b5765b98e57 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c @@ -225,6 +225,9 @@ static int mtk_vcodec_probe(struct platform_device *pdev) if (!of_property_read_u32(pdev->dev.of_node, "mediatek,vpu", &rproc_phandle)) { fw_type = VPU; + } else if (!of_property_read_u32(pdev->dev.of_node, "mediatek,scp", + &rproc_phandle)) { + fw_type = SCP; } else { mtk_v4l2_err("Could not get vdec IPI device"); return -ENODEV; diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c index 4340ea10afd0..42530cd01a30 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c @@ -233,6 +233,9 @@ static int mtk_vcodec_probe(struct platform_device *pdev) if (!of_property_read_u32(pdev->dev.of_node, "mediatek,vpu", &rproc_phandle)) { fw_type = VPU; + } else if (!of_property_read_u32(pdev->dev.of_node, "mediatek,scp", + &rproc_phandle)) { + fw_type = SCP; } else { mtk_v4l2_err("Could not get venc IPI device"); return -ENODEV; diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw.c index 967bb100a990..f2a62ea62fc6 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw.c @@ -19,6 +19,7 @@ struct mtk_vcodec_fw { enum mtk_vcodec_fw_type type; const struct mtk_vcodec_fw_ops *ops; struct platform_device *pdev; + struct mtk_scp *scp; }; static int mtk_vcodec_vpu_load_firmware(struct mtk_vcodec_fw *fw) @@ -71,6 +72,48 @@ static const struct mtk_vcodec_fw_ops mtk_vcodec_vpu_msg = { .ipi_send = mtk_vcodec_vpu_ipi_send, }; +static int mtk_vcodec_scp_load_firmware(struct mtk_vcodec_fw *fw) +{ + return rproc_boot(scp_get_rproc(fw->scp)); +} + +static unsigned int mtk_vcodec_scp_get_vdec_capa(struct mtk_vcodec_fw *fw) +{ + return scp_get_vdec_hw_capa(fw->scp); +} + +static unsigned int mtk_vcodec_scp_get_venc_capa(struct mtk_vcodec_fw *fw) +{ + return scp_get_venc_hw_capa(fw->scp); +} + +static void *mtk_vcodec_vpu_scp_dm_addr(struct mtk_vcodec_fw *fw, + u32 dtcm_dmem_addr) +{ + return scp_mapping_dm_addr(fw->scp, dtcm_dmem_addr); +} + +static int mtk_vcodec_scp_set_ipi_register(struct mtk_vcodec_fw *fw, int id, + mtk_vcodec_ipi_handler handler, const char *name, void *priv) +{ + return scp_ipi_register(fw->scp, id, handler, priv); +} + +static int mtk_vcodec_scp_ipi_send(struct mtk_vcodec_fw *fw, int id, void *buf, + unsigned int len, unsigned int wait) +{ + return scp_ipi_send(fw->scp, id, buf, len, wait); +} + +static const struct mtk_vcodec_fw_ops mtk_vcodec_rproc_msg = { + .load_firmware = mtk_vcodec_scp_load_firmware, + .get_vdec_capa = mtk_vcodec_scp_get_vdec_capa, + .get_venc_capa = mtk_vcodec_scp_get_venc_capa, + .map_dm_addr = mtk_vcodec_vpu_scp_dm_addr, + .ipi_register = mtk_vcodec_scp_set_ipi_register, + .ipi_send = mtk_vcodec_scp_ipi_send, +}; + static void mtk_vcodec_reset_handler(void *priv) { struct mtk_vcodec_dev *dev = priv; @@ -94,6 +137,7 @@ struct mtk_vcodec_fw *mtk_vcodec_fw_select(struct mtk_vcodec_dev *dev, const struct mtk_vcodec_fw_ops *ops; struct mtk_vcodec_fw *fw; struct platform_device *fw_pdev = NULL; + struct mtk_scp *scp = NULL; switch (type) { case VPU: @@ -106,6 +150,14 @@ struct mtk_vcodec_fw *mtk_vcodec_fw_select(struct mtk_vcodec_dev *dev, vpu_wdt_reg_handler(fw_pdev, mtk_vcodec_reset_handler, dev, rst_id); break; + case SCP: + ops = &mtk_vcodec_rproc_msg; + scp = scp_get(dev->plat_dev); + if (!scp) { + mtk_v4l2_err("could not get vdec scp handle"); + return ERR_PTR(-EPROBE_DEFER); + } + break; default: mtk_v4l2_err("invalid vcodec fw type"); return ERR_PTR(-EINVAL); @@ -118,6 +170,7 @@ struct mtk_vcodec_fw *mtk_vcodec_fw_select(struct mtk_vcodec_dev *dev, fw->type = type; fw->ops = ops; fw->pdev = fw_pdev; + fw->scp = scp; return fw; } @@ -129,6 +182,9 @@ void mtk_vcodec_fw_release(struct mtk_vcodec_fw *fw) case VPU: put_device(&fw->pdev->dev); break; + case SCP: + scp_put(fw->scp); + break; } } EXPORT_SYMBOL_GPL(mtk_vcodec_fw_release); diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw.h index ff25b0c19f74..ced1b6a10e07 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw.h +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw.h @@ -4,6 +4,7 @@ #define _MTK_VCODEC_FW_H_ #include +#include #include "../mtk-vpu/mtk_vpu.h" @@ -11,6 +12,7 @@ struct mtk_vcodec_dev; enum mtk_vcodec_fw_type { VPU, + SCP, }; struct mtk_vcodec_fw;