From patchwork Tue Apr 27 11:15:14 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandre Courbot X-Patchwork-Id: 428130 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=-19.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, 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 981E8C43460 for ; Tue, 27 Apr 2021 11:15:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 684B9613E5 for ; Tue, 27 Apr 2021 11:15:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235889AbhD0LQd (ORCPT ); Tue, 27 Apr 2021 07:16:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39794 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235835AbhD0LQ2 (ORCPT ); Tue, 27 Apr 2021 07:16:28 -0400 Received: from mail-pl1-x62b.google.com (mail-pl1-x62b.google.com [IPv6:2607:f8b0:4864:20::62b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7EF58C061574 for ; Tue, 27 Apr 2021 04:15:45 -0700 (PDT) Received: by mail-pl1-x62b.google.com with SMTP id h20so30686493plr.4 for ; Tue, 27 Apr 2021 04:15:45 -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=8c3lQ6Ig+7BLf+08Bn0c/e0llvAY8LJA+7xZwUYw4VU=; b=BhjwcZH+gtk+Sx5PoZFo2H1P7vIWXRstinsxLjmJk90j3lmzIrSfAc6djN7YKmxNV0 5wcg8jq6Uyz2ASKGQJV6BRDDHV/oUZdcEhm7E0OdQoTbjIe9jZxL2rAPN8u4elnAlT8F OTE+OnZZcqY8TXQujM9TDqnEqTHzS9xndn8Ls= 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=8c3lQ6Ig+7BLf+08Bn0c/e0llvAY8LJA+7xZwUYw4VU=; b=A4bkbkwMxib4n85a/BVhjJZ69HfhdENdIvLbBeg6v+Zm5v5gOJJ8H5TpsPueKOxRcW NyvSjMWWpcnA7Ay3erj+LIiBsZHhbBn1IDN+6kvKBWhHifqGEYhKuwyyavquXhReIaj2 TbpaEJIo948PsAyBJuwhZX4sC+Tepoeuk2rZr4YMU3+tU1kiWuY2y/8lZrYpGKhytXYf OnPOOal1emkKuaJCF+sgv1/N+CcHLS3pJNfypgK+K7ajk98VtggS+OKhuU7iWxcjng/5 NkT11h5wgWxjdj+LkKcTxrnb/ZVWL7oOpnc/4IOjPcpgITMRz0M2ROkXkzOlEhKraBam sZ2Q== X-Gm-Message-State: AOAM533geb9s9yeW+b7vxK9s7rf2Gan++Z+x7HjtxYCYZ5bVfKr0o6vb pNhwTAvO3GDb6mTrWrEJ0o88ug== X-Google-Smtp-Source: ABdhPJxQ/s/IDGETgz+RzGhkqjW4D9BbGwOcOqhMFHXFHYPnvqa3s7P75umaBg0ty+lSHJnGLjPz6g== X-Received: by 2002:a17:90a:8a12:: with SMTP id w18mr18652526pjn.26.1619522145117; Tue, 27 Apr 2021 04:15:45 -0700 (PDT) Received: from acourbot.tok.corp.google.com ([2401:fa00:8f:203:b182:d363:32d0:53a2]) by smtp.gmail.com with ESMTPSA id c21sm2347210pfc.165.2021.04.27.04.15.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 27 Apr 2021 04:15:44 -0700 (PDT) From: Alexandre Courbot To: Tiffany Lin , Andrew-CT Chen , Rob Herring , Yunfei Dong Cc: Mauro Carvalho Chehab , Hans Verkuil , linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, Alexandre Courbot Subject: [PATCH v4 03/15] media: mtk-vcodec: support version 2 of decoder firmware ABI Date: Tue, 27 Apr 2021 20:15:14 +0900 Message-Id: <20210427111526.1772293-4-acourbot@chromium.org> X-Mailer: git-send-email 2.31.1.498.g6c1eba8ee3d-goog In-Reply-To: <20210427111526.1772293-1-acourbot@chromium.org> References: <20210427111526.1772293-1-acourbot@chromium.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Add support for decoder firmware version 2, which makes the kernel responsible for managing the VSI context and is used for stateless codecs. Signed-off-by: Alexandre Courbot --- .../media/platform/mtk-vcodec/vdec_ipi_msg.h | 18 +++++++++--- .../media/platform/mtk-vcodec/vdec_vpu_if.c | 28 +++++++++++++++---- .../media/platform/mtk-vcodec/vdec_vpu_if.h | 5 ++++ 3 files changed, 42 insertions(+), 9 deletions(-) diff --git a/drivers/media/platform/mtk-vcodec/vdec_ipi_msg.h b/drivers/media/platform/mtk-vcodec/vdec_ipi_msg.h index eb66729fda63..a0e773ae3ab3 100644 --- a/drivers/media/platform/mtk-vcodec/vdec_ipi_msg.h +++ b/drivers/media/platform/mtk-vcodec/vdec_ipi_msg.h @@ -29,11 +29,15 @@ enum vdec_ipi_msgid { /** * struct vdec_ap_ipi_cmd - generic AP to VPU ipi command format * @msg_id : vdec_ipi_msgid - * @vpu_inst_addr : VPU decoder instance address + * @vpu_inst_addr : VPU decoder instance address. Used if ABI version < 2. + * @inst_id : instance ID. Used if the ABI version >= 2. */ struct vdec_ap_ipi_cmd { uint32_t msg_id; - uint32_t vpu_inst_addr; + union { + uint32_t vpu_inst_addr; + uint32_t inst_id; + }; }; /** @@ -63,7 +67,8 @@ struct vdec_ap_ipi_init { /** * struct vdec_ap_ipi_dec_start - for AP_IPIMSG_DEC_START * @msg_id : AP_IPIMSG_DEC_START - * @vpu_inst_addr : VPU decoder instance address + * @vpu_inst_addr : VPU decoder instance address. Used if ABI version < 2. + * @inst_id : instance ID. Used if the ABI version >= 2. * @data : Header info * H264 decoder [0]:buf_sz [1]:nal_start * VP8 decoder [0]:width/height @@ -72,7 +77,10 @@ struct vdec_ap_ipi_init { */ struct vdec_ap_ipi_dec_start { uint32_t msg_id; - uint32_t vpu_inst_addr; + union { + uint32_t vpu_inst_addr; + uint32_t inst_id; + }; uint32_t data[3]; uint32_t reserved; }; @@ -87,6 +95,7 @@ struct vdec_ap_ipi_dec_start { * ensure that it is compatible with the firmware. * This field is not valid for MT8173 and must not be * accessed for this chip. + * @inst_id : instance ID. Valid only if the ABI version >= 2. */ struct vdec_vpu_ipi_init_ack { uint32_t msg_id; @@ -94,6 +103,7 @@ struct vdec_vpu_ipi_init_ack { uint64_t ap_inst_addr; uint32_t vpu_inst_addr; uint32_t vdec_abi_version; + uint32_t inst_id; }; #endif diff --git a/drivers/media/platform/mtk-vcodec/vdec_vpu_if.c b/drivers/media/platform/mtk-vcodec/vdec_vpu_if.c index 203089213e67..5dffc459a33d 100644 --- a/drivers/media/platform/mtk-vcodec/vdec_vpu_if.c +++ b/drivers/media/platform/mtk-vcodec/vdec_vpu_if.c @@ -25,18 +25,30 @@ static void handle_init_ack_msg(const struct vdec_vpu_ipi_init_ack *msg) mtk_vcodec_debug(vpu, "- vpu_inst_addr = 0x%x", vpu->inst_addr); + /* Set default ABI version if dealing with unversioned firmware. */ + vpu->fw_abi_version = 0; + /* + * Instance ID is only used if ABI version >= 2. Initialize it with + * garbage by default. + */ + vpu->inst_id = 0xdeadbeef; + /* Firmware version field does not exist on MT8173. */ if (vpu->ctx->dev->vdec_pdata->chip == MTK_MT8173) return; /* Check firmware version. */ - mtk_vcodec_debug(vpu, "firmware version 0x%x\n", msg->vdec_abi_version); - switch (msg->vdec_abi_version) { + vpu->fw_abi_version = msg->vdec_abi_version; + mtk_vcodec_debug(vpu, "firmware version 0x%x\n", vpu->fw_abi_version); + switch (vpu->fw_abi_version) { case 1: break; + case 2: + vpu->inst_id = msg->inst_id; + break; default: mtk_vcodec_err(vpu, "unhandled firmware version 0x%x\n", - msg->vdec_abi_version); + vpu->fw_abi_version); vpu->failure = 1; break; } @@ -113,7 +125,10 @@ static int vcodec_send_ap_ipi(struct vdec_vpu_inst *vpu, unsigned int msg_id) memset(&msg, 0, sizeof(msg)); msg.msg_id = msg_id; - msg.vpu_inst_addr = vpu->inst_addr; + if (vpu->fw_abi_version < 2) + msg.vpu_inst_addr = vpu->inst_addr; + else + msg.inst_id = vpu->inst_id; err = vcodec_vpu_send_msg(vpu, &msg, sizeof(msg)); mtk_vcodec_debug(vpu, "- id=%X ret=%d", msg_id, err); @@ -163,7 +178,10 @@ int vpu_dec_start(struct vdec_vpu_inst *vpu, uint32_t *data, unsigned int len) memset(&msg, 0, sizeof(msg)); msg.msg_id = AP_IPIMSG_DEC_START; - msg.vpu_inst_addr = vpu->inst_addr; + if (vpu->fw_abi_version < 2) + msg.vpu_inst_addr = vpu->inst_addr; + else + msg.inst_id = vpu->inst_id; for (i = 0; i < len; i++) msg.data[i] = data[i]; diff --git a/drivers/media/platform/mtk-vcodec/vdec_vpu_if.h b/drivers/media/platform/mtk-vcodec/vdec_vpu_if.h index 85224eb7e34b..c2ed5b6cab8b 100644 --- a/drivers/media/platform/mtk-vcodec/vdec_vpu_if.h +++ b/drivers/media/platform/mtk-vcodec/vdec_vpu_if.h @@ -18,6 +18,9 @@ struct mtk_vcodec_ctx; * for control and info share * @failure : VPU execution result status, 0: success, others: fail * @inst_addr : VPU decoder instance address + * @fw_abi_version : ABI version of the firmware. + * @inst_id : if fw_abi_version >= 2, contains the instance ID to be given + * in place of inst_addr in messages. * @signaled : 1 - Host has received ack message from VPU, 0 - not received * @ctx : context for v4l2 layer integration * @dev : platform device of VPU @@ -29,6 +32,8 @@ struct vdec_vpu_inst { void *vsi; int32_t failure; uint32_t inst_addr; + uint32_t fw_abi_version; + uint32_t inst_id; unsigned int signaled; struct mtk_vcodec_ctx *ctx; wait_queue_head_t wq;