From patchwork Mon Jul 13 06:08:31 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandre Courbot X-Patchwork-Id: 11658753 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 CA6A013B1 for ; Mon, 13 Jul 2020 06:09:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AA94D207FB for ; Mon, 13 Jul 2020 06:09:27 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="gwi7NMPo" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729186AbgGMGJ1 (ORCPT ); Mon, 13 Jul 2020 02:09:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35278 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729184AbgGMGJ0 (ORCPT ); Mon, 13 Jul 2020 02:09:26 -0400 Received: from mail-pg1-x542.google.com (mail-pg1-x542.google.com [IPv6:2607:f8b0:4864:20::542]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E4F54C061794 for ; Sun, 12 Jul 2020 23:09:25 -0700 (PDT) Received: by mail-pg1-x542.google.com with SMTP id d4so5584026pgk.4 for ; Sun, 12 Jul 2020 23:09:25 -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=3XKFNOxhocAfWz9PkYcbxt2H0/xDypTKMLAV5ERewKY=; b=gwi7NMPoK6HvtnoRfRqUmipRFPVzx2jmnB4a+vb6lTkSpv0J8vgdI74tWkzmlAZ4Kt uGU9dnhgL4ZH5QMoNPwq8joP1pNAa6nnjApUDCM7yxWbXmBS0MHh3RTOkPU/Fo/zaYrG Oxild8VPE6FQ7hYTiW6fYXpXXh/PYbv0WMIw0= 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=3XKFNOxhocAfWz9PkYcbxt2H0/xDypTKMLAV5ERewKY=; b=UUItb9tHcjoQICB7AWBN6LXx1xz6+2rqV74TqqEjw98GZsZA9VpvWHUEW8YZOO8Vqa yvxTdcJ4cR4HWodqHFW88axsKTOvoPEC2DgPqMwZdKwDiPpMN7FbXd+RQzCldpFoexr8 u1Ns5HzKVk7h528Gr3RSpPhm6ghl6r//vWvOWJvUoLjVFOwTv15+B8DAsb4z0t4g/1r/ F+RhLjjPVcsVyttWs6YEOmredmGS3ENQ7mTQIhA05GQuNbT1NcF122PAjQuw9GD01MSh r0mOjFqAH/ywjSur3pVb+K9pEatQ4gW1yCGMGtdCM5bWlCPx6bpZnHfWcdlTW+/B/SpD xkFA== X-Gm-Message-State: AOAM532cn2bWcKVIhEwBJIa0kkmxHstGId0/3BPGFJ4I/0BZfECZj9hV gE6TbAGdHUShGGTG6pYuAjZoVQ== X-Google-Smtp-Source: ABdhPJxKCOG9CyNv/lGl0TYSaQg/dbaGIRy9BN9vt6Bh210MLYkBml9Selj2XzQGRyOBPBXbQvezYA== X-Received: by 2002:a62:de81:: with SMTP id h123mr72836119pfg.217.1594620565458; Sun, 12 Jul 2020 23:09:25 -0700 (PDT) Received: from acourbot.tok.corp.google.com ([2401:fa00:8f:203:eeb1:d7ff:fe57:b7e5]) by smtp.gmail.com with ESMTPSA id c134sm13134934pfc.115.2020.07.12.23.09.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 12 Jul 2020 23:09:24 -0700 (PDT) From: Alexandre Courbot To: Tiffany Lin , Andrew-CT Chen , Hans Verkuil , Yunfei Dong , Maoguang Meng Cc: linux-media@vger.kernel.org, linux-mediatek@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Alexandre Courbot Subject: [PATCH v3 05/16] media: mtk-vcodec: venc: handle firmware version field Date: Mon, 13 Jul 2020 15:08:31 +0900 Message-Id: <20200713060842.471356-6-acourbot@chromium.org> X-Mailer: git-send-email 2.27.0.383.g050319c2ae-goog In-Reply-To: <20200713060842.471356-1-acourbot@chromium.org> References: <20200713060842.471356-1-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); }