From patchwork Fri Jun 26 08:04:28 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandre Courbot X-Patchwork-Id: 209290 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D337AC433E3 for ; Fri, 26 Jun 2020 08:05:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AE5772076E for ; Fri, 26 Jun 2020 08:05:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="Wc4p/7DY" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729127AbgFZIFo (ORCPT ); Fri, 26 Jun 2020 04:05:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40658 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729086AbgFZIFn (ORCPT ); Fri, 26 Jun 2020 04:05:43 -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 52E49C08C5C1 for ; Fri, 26 Jun 2020 01:05:43 -0700 (PDT) Received: by mail-pg1-x541.google.com with SMTP id l63so4602471pge.12 for ; Fri, 26 Jun 2020 01:05:43 -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=7V2A5fkfvadRzdAjDcuus6ZC1AgMqICM5JDDtMi/HGs=; b=Wc4p/7DYysyli5fTsdAhq8wvvWlC/JmZNvpgVXlA2JT+jNOrZJ4WeoY6wrJ6YU3rRU dSfaGvdozeZqknaIyynf1spPhEic62+2/UNcZUXT4Rf5x7y5G/kE1mipu2z+ayv3CxP4 vjdI9DPSLnM5iylCRI2OCU0i/kj9kXdIGRdVA= 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=7V2A5fkfvadRzdAjDcuus6ZC1AgMqICM5JDDtMi/HGs=; b=amiGDPTz3OI8SBoj8v2gCsydWQYHYuYoFjiEXqdy0M0NUD5GrcEfC8joWwVIlpYxKf juAPuxe5S9tzFh9lsr1Gp10MklOLovAr2BDiG6U8KYuurWrhg080oX9IO+dEK4MdD9l5 D+XnxUQZf3z3Jj8g/rtjLGZH28//z+MStFDNsruxITwsAE5Yy6bo3vOImRVF/FCK2O/2 1gNPQZ9w5hRJYMe0zzpotujICSmMjXWZZXAPq4EyVCMJEgw+MemnJWgks60cWTigxxu3 75Y3kLBvqT3ExwbVTNptNSq6RTXQAJX3DNKPZbvRtSt1zVo37QkmbJZfF0vEP4nR4ZUQ LwEA== X-Gm-Message-State: AOAM531Hm/m9+H+NqK0ZHM+M341kANGlqzgBT8vQxdEdPoL2Sh8ocbCe iqe/+LhtYu042W2p9LK3Icp3Sw== X-Google-Smtp-Source: ABdhPJwyLfn/tbH8qNj8oxjeima95maYPJdySVlLmwBRCCUKPXMnUidGGPvzcrQJ//NqoV5Dm6pdpA== X-Received: by 2002:a62:8c12:: with SMTP id m18mr1653124pfd.111.1593158742824; Fri, 26 Jun 2020 01:05:42 -0700 (PDT) Received: from acourbot.tok.corp.google.com ([2401:fa00:8f:203:93d9:de4d:e834:3086]) by smtp.gmail.com with ESMTPSA id 137sm21809843pgg.72.2020.06.26.01.05.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 26 Jun 2020 01:05:42 -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 v2 04/18] media: mtk-vcodec: venc: handle firmware version field Date: Fri, 26 Jun 2020 17:04:28 +0900 Message-Id: <20200626080442.292309-5-acourbot@chromium.org> X-Mailer: git-send-email 2.27.0.212.ge8ba1cc988-goog In-Reply-To: <20200626080442.292309-1-acourbot@chromium.org> References: <20200626080442.292309-1-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 Firmwares for encoders newer than MT8173 will include an ABI version number in their initialization ack message. Add the capacity to manage it and make initialization fail if the firmware ABI is of a version that we don't support. For MT8173, this ABI version field is reserved and thus undefined ; thus ignore it on this chip. There should only be one firmware version available for it anyway. Signed-off-by: Alexandre Courbot Acked-by: Tiffany Lin --- .../platform/mtk-vcodec/mtk_vcodec_drv.h | 8 ++++++ .../platform/mtk-vcodec/mtk_vcodec_enc_drv.c | 1 + .../media/platform/mtk-vcodec/venc_ipi_msg.h | 9 ++++--- .../media/platform/mtk-vcodec/venc_vpu_if.c | 27 ++++++++++++++++--- 4 files changed, 38 insertions(+), 7 deletions(-) diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h index 45c8adfc6a0c..e7b155e7432e 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h @@ -300,13 +300,21 @@ struct mtk_vcodec_ctx { }; +enum mtk_chip { + MTK_MT8173, +}; + /** * struct mtk_vcodec_enc_pdata - compatible data for each IC * + * @chip: chip this encoder is compatible with + * * @uses_ext: whether the encoder uses the extended firmware messaging format * @has_lt_irq: whether the encoder uses the LT irq */ struct mtk_vcodec_enc_pdata { + enum mtk_chip chip; + bool uses_ext; bool has_lt_irq; }; 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 922bc8883811..c1365209263e 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c @@ -378,6 +378,7 @@ static int mtk_vcodec_probe(struct platform_device *pdev) } static const struct mtk_vcodec_enc_pdata mt8173_pdata = { + .chip = MTK_MT8173, .has_lt_irq = true, }; diff --git a/drivers/media/platform/mtk-vcodec/venc_ipi_msg.h b/drivers/media/platform/mtk-vcodec/venc_ipi_msg.h index 4cafbf92d9cd..31a3c76f7d0d 100644 --- a/drivers/media/platform/mtk-vcodec/venc_ipi_msg.h +++ b/drivers/media/platform/mtk-vcodec/venc_ipi_msg.h @@ -131,16 +131,17 @@ struct venc_vpu_ipi_msg_common { * @venc_inst: AP encoder instance (struct venc_vp8_inst/venc_h264_inst *) * @vpu_inst_addr: VPU encoder instance addr * (struct venc_vp8_vsi/venc_h264_vsi *) - * @reserved: reserved for future use. vpu is running in 32bit. Without - * this reserved field, if kernel run in 64bit. this struct size - * will be different between kernel and vpu + * @venc_abi_version: ABI version of the firmware. Kernel can use it to + * ensure that it is compatible with the firmware. + * For MT8173 the value of this field is undefined and + * should not be used. */ struct venc_vpu_ipi_msg_init { uint32_t msg_id; uint32_t status; uint64_t venc_inst; uint32_t vpu_inst_addr; - uint32_t reserved; + uint32_t venc_abi_version; }; /** diff --git a/drivers/media/platform/mtk-vcodec/venc_vpu_if.c b/drivers/media/platform/mtk-vcodec/venc_vpu_if.c index 6c77bf025172..472503701003 100644 --- a/drivers/media/platform/mtk-vcodec/venc_vpu_if.c +++ b/drivers/media/platform/mtk-vcodec/venc_vpu_if.c @@ -4,6 +4,7 @@ * Author: PoChun Lin */ +#include "mtk_vcodec_drv.h" #include "mtk_vcodec_fw.h" #include "venc_ipi_msg.h" #include "venc_vpu_if.h" @@ -15,6 +16,23 @@ static void handle_enc_init_msg(struct venc_vpu_inst *vpu, const void *data) vpu->inst_addr = msg->vpu_inst_addr; vpu->vsi = mtk_vcodec_fw_map_dm_addr(vpu->ctx->dev->fw_handler, msg->vpu_inst_addr); + + /* Firmware version field value is unspecified on MT8173. */ + if (vpu->ctx->dev->venc_pdata->chip == MTK_MT8173) + return; + + /* Check firmware version. */ + mtk_vcodec_debug(vpu, "firmware version: 0x%x\n", + msg->venc_abi_version); + switch (msg->venc_abi_version) { + case 1: + break; + default: + mtk_vcodec_err(vpu, "unhandled firmware version 0x%x\n", + msg->venc_abi_version); + vpu->failure = 1; + break; + } } static void handle_enc_encode_msg(struct venc_vpu_inst *vpu, const void *data) @@ -35,6 +53,11 @@ static void vpu_enc_ipi_handler(void *data, unsigned int len, void *priv) mtk_vcodec_debug(vpu, "msg_id %x inst %p status %d", msg->msg_id, vpu, msg->status); + vpu->signaled = 1; + vpu->failure = (msg->status != VENC_IPI_MSG_STATUS_OK); + if (vpu->failure) + goto failure; + switch (msg->msg_id) { case VPU_IPIMSG_ENC_INIT_DONE: handle_enc_init_msg(vpu, data); @@ -51,9 +74,7 @@ static void vpu_enc_ipi_handler(void *data, unsigned int len, void *priv) break; } - vpu->signaled = 1; - vpu->failure = (msg->status != VENC_IPI_MSG_STATUS_OK); - +failure: mtk_vcodec_debug_leave(vpu); }