From patchwork Sat Jul 16 09:34:33 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Irui Wang X-Patchwork-Id: 12920011 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8DDF5CCA481 for ; Sat, 16 Jul 2022 09:35:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232752AbiGPJfO (ORCPT ); Sat, 16 Jul 2022 05:35:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57234 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232637AbiGPJfD (ORCPT ); Sat, 16 Jul 2022 05:35:03 -0400 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3ED2C2CDE5; Sat, 16 Jul 2022 02:34:50 -0700 (PDT) X-UUID: e891f58d34af42e0a6add91b15c1896a-20220716 X-CID-UNFAMILIAR: 1 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.8,REQID:e747981b-875c-4cf2-ab2b-bb8b643545f7,OB:10,L OB:10,IP:0,URL:5,TC:0,Content:-5,EDM:0,RT:0,SF:100,FILE:0,RULE:Release_Ham ,ACTION:release,TS:100 X-CID-INFO: VERSION:1.1.8,REQID:e747981b-875c-4cf2-ab2b-bb8b643545f7,OB:10,LOB :10,IP:0,URL:5,TC:0,Content:-5,EDM:0,RT:0,SF:100,FILE:0,RULE:Spam_GS981B3D ,ACTION:quarantine,TS:100 X-CID-META: VersionHash:0f94e32,CLOUDID:3d5a2433-b9e4-42b8-b28a-6364427c76bb,C OID:98ccdc9f7b50,Recheck:0,SF:28|16|19|48,TC:nil,Content:0,EDM:-3,IP:nil,U RL:1,File:nil,QS:nil,BEC:nil,COL:0 X-UUID: e891f58d34af42e0a6add91b15c1896a-20220716 Received: from mtkcas10.mediatek.inc [(172.21.101.39)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 458650923; Sat, 16 Jul 2022 17:34:44 +0800 Received: from mtkmbs11n1.mediatek.inc (172.21.101.185) by mtkmbs10n1.mediatek.inc (172.21.101.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.792.15; Sat, 16 Jul 2022 17:34:43 +0800 Received: from localhost.localdomain (10.17.3.154) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.3 via Frontend Transport; Sat, 16 Jul 2022 17:34:42 +0800 From: Irui Wang To: Hans Verkuil , Mauro Carvalho Chehab , Rob Herring , Matthias Brugger , Tzung-Bi Shih , , , , kyrie wu CC: , , , , , , Tomasz Figa , , , , irui wang Subject: [V11,5/7] mtk-jpegenc: add jpeg encode worker interface Date: Sat, 16 Jul 2022 17:34:33 +0800 Message-ID: <20220716093435.29796-6-irui.wang@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220716093435.29796-1-irui.wang@mediatek.com> References: <20220716093435.29796-1-irui.wang@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org From: kyrie wu Add jpeg encoding worker to ensure that two HWs run in parallel in MT8195. Signed-off-by: kyrie wu Signed-off-by: irui wang --- .../platform/mediatek/jpeg/mtk_jpeg_core.c | 158 +++++++++++++++++- .../platform/mediatek/jpeg/mtk_jpeg_core.h | 20 ++- .../platform/mediatek/jpeg/mtk_jpeg_enc_hw.c | 42 +++-- 3 files changed, 206 insertions(+), 14 deletions(-) diff --git a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c index 3286e9606505..0a7fe7dfe605 100644 --- a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c +++ b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c @@ -105,10 +105,18 @@ static struct mtk_jpeg_fmt mtk_jpeg_dec_formats[] = { #define MTK_JPEG_ENC_NUM_FORMATS ARRAY_SIZE(mtk_jpeg_enc_formats) #define MTK_JPEG_DEC_NUM_FORMATS ARRAY_SIZE(mtk_jpeg_dec_formats) +enum { + MTK_JPEG_BUF_FLAGS_INIT = 0, + MTK_JPEG_BUF_FLAGS_LAST_FRAME = 1, +}; + struct mtk_jpeg_src_buf { + u32 frame_num; struct vb2_v4l2_buffer b; struct list_head list; struct mtk_jpeg_dec_param dec_param; + + struct mtk_jpeg_ctx *curr_ctx; }; static int debug; @@ -907,6 +915,147 @@ static int mtk_jpeg_set_dec_dst(struct mtk_jpeg_ctx *ctx, return 0; } +static int mtk_jpegenc_get_hw(struct mtk_jpeg_ctx *ctx) +{ + struct mtk_jpegenc_comp_dev *comp_jpeg; + struct mtk_jpeg_dev *jpeg = ctx->jpeg; + unsigned long flags; + int hw_id = -1; + int i; + + spin_lock_irqsave(&jpeg->hw_lock, flags); + for (i = 0; i < MTK_JPEGENC_HW_MAX; i++) { + comp_jpeg = jpeg->enc_hw_dev[i]; + if (comp_jpeg->hw_state == MTK_JPEG_HW_IDLE) { + hw_id = i; + comp_jpeg->hw_state = MTK_JPEG_HW_BUSY; + break; + } + } + spin_unlock_irqrestore(&jpeg->hw_lock, flags); + + return hw_id; +} + +static int mtk_jpegenc_set_hw_param(struct mtk_jpeg_ctx *ctx, + int hw_id, + struct vb2_v4l2_buffer *src_buf, + struct vb2_v4l2_buffer *dst_buf) +{ + struct mtk_jpegenc_comp_dev *jpeg = ctx->jpeg->enc_hw_dev[hw_id]; + + jpeg->hw_param.curr_ctx = ctx; + jpeg->hw_param.src_buffer = src_buf; + jpeg->hw_param.dst_buffer = dst_buf; + + return 0; +} + +static int mtk_jpegenc_put_hw(struct mtk_jpeg_dev *jpeg, int hw_id) +{ + unsigned long flags; + + spin_lock_irqsave(&jpeg->hw_lock, flags); + jpeg->enc_hw_dev[hw_id]->hw_state = MTK_JPEG_HW_IDLE; + spin_unlock_irqrestore(&jpeg->hw_lock, flags); + + return 0; +} + +static void mtk_jpegenc_worker(struct work_struct *work) +{ + struct mtk_jpegenc_comp_dev *comp_jpeg[MTK_JPEGENC_HW_MAX]; + enum vb2_buffer_state buf_state = VB2_BUF_STATE_ERROR; + struct mtk_jpeg_src_buf *jpeg_dst_buf; + struct vb2_v4l2_buffer *src_buf, *dst_buf; + int ret, i, hw_id = 0; + unsigned long flags; + + struct mtk_jpeg_ctx *ctx = container_of(work, + struct mtk_jpeg_ctx, + jpeg_work); + struct mtk_jpeg_dev *jpeg = ctx->jpeg; + + for (i = 0; i < MTK_JPEGENC_HW_MAX; i++) + comp_jpeg[i] = jpeg->enc_hw_dev[i]; + +retry_select: + hw_id = mtk_jpegenc_get_hw(ctx); + if (hw_id < 0) { + ret = wait_event_interruptible(jpeg->enc_hw_wq, + atomic_read(&jpeg->enchw_rdy) > 0); + if (ret != 0) { + dev_err(jpeg->dev, "%s : %d, all HW are busy\n", + __func__, __LINE__); + v4l2_m2m_job_finish(jpeg->m2m_dev, ctx->fh.m2m_ctx); + return; + } + + goto retry_select; + } + + atomic_dec(&jpeg->enchw_rdy); + src_buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx); + if (!src_buf) + goto getbuf_fail; + + dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx); + if (!dst_buf) + goto getbuf_fail; + + v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx); + v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx); + + v4l2_m2m_buf_copy_metadata(src_buf, dst_buf, true); + + mtk_jpegenc_set_hw_param(ctx, hw_id, src_buf, dst_buf); + ret = pm_runtime_get_sync(comp_jpeg[hw_id]->dev); + if (ret < 0) { + dev_err(jpeg->dev, "%s : %d, pm_runtime_get_sync fail !!!\n", + __func__, __LINE__); + goto enc_end; + } + + ret = clk_prepare_enable(comp_jpeg[hw_id]->venc_clk.clks->clk); + if (ret) { + dev_err(jpeg->dev, "%s : %d, jpegenc clk_prepare_enable fail\n", + __func__, __LINE__); + goto enc_end; + } + + schedule_delayed_work(&comp_jpeg[hw_id]->job_timeout_work, + msecs_to_jiffies(MTK_JPEG_HW_TIMEOUT_MSEC)); + + spin_lock_irqsave(&comp_jpeg[hw_id]->hw_lock, flags); + jpeg_dst_buf = mtk_jpeg_vb2_to_srcbuf(&dst_buf->vb2_buf); + jpeg_dst_buf->curr_ctx = ctx; + jpeg_dst_buf->frame_num = ctx->total_frame_num; + ctx->total_frame_num++; + mtk_jpeg_enc_reset(comp_jpeg[hw_id]->reg_base); + mtk_jpeg_set_enc_dst(ctx, + comp_jpeg[hw_id]->reg_base, + &dst_buf->vb2_buf); + mtk_jpeg_set_enc_src(ctx, + comp_jpeg[hw_id]->reg_base, + &src_buf->vb2_buf); + mtk_jpeg_set_enc_params(ctx, comp_jpeg[hw_id]->reg_base); + mtk_jpeg_enc_start(comp_jpeg[hw_id]->reg_base); + v4l2_m2m_job_finish(jpeg->m2m_dev, ctx->fh.m2m_ctx); + spin_unlock_irqrestore(&comp_jpeg[hw_id]->hw_lock, flags); + + return; + +enc_end: + v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx); + v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx); + v4l2_m2m_buf_done(src_buf, buf_state); + v4l2_m2m_buf_done(dst_buf, buf_state); +getbuf_fail: + atomic_inc(&jpeg->enchw_rdy); + mtk_jpegenc_put_hw(jpeg, hw_id); + v4l2_m2m_job_finish(jpeg->m2m_dev, ctx->fh.m2m_ctx); +} + static void mtk_jpeg_enc_device_run(void *priv) { struct mtk_jpeg_ctx *ctx = priv; @@ -924,7 +1073,7 @@ static void mtk_jpeg_enc_device_run(void *priv) goto enc_end; schedule_delayed_work(&jpeg->job_timeout_work, - msecs_to_jiffies(MTK_JPEG_HW_TIMEOUT_MSEC)); + msecs_to_jiffies(MTK_JPEG_HW_TIMEOUT_MSEC)); spin_lock_irqsave(&jpeg->hw_lock, flags); @@ -951,6 +1100,10 @@ static void mtk_jpeg_enc_device_run(void *priv) static void mtk_jpeg_multicore_enc_device_run(void *priv) { + struct mtk_jpeg_ctx *ctx = priv; + struct mtk_jpeg_dev *jpeg = ctx->jpeg; + + queue_work(jpeg->workqueue, &ctx->jpeg_work); } static void mtk_jpeg_dec_device_run(void *priv) @@ -1219,6 +1372,9 @@ static int mtk_jpeg_open(struct file *file) goto free; } + if (jpeg->is_jpgenc_multihw) + INIT_WORK(&ctx->jpeg_work, mtk_jpegenc_worker); + v4l2_fh_init(&ctx->fh, vfd); file->private_data = &ctx->fh; v4l2_fh_add(&ctx->fh); diff --git a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.h b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.h index caa9370ac8ac..ff7bd4467ae7 100644 --- a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.h +++ b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.h @@ -75,6 +75,11 @@ struct mtk_jpeg_variant { u32 cap_q_default_fourcc; }; +enum mtk_jpeg_hw_state { + MTK_JPEG_HW_IDLE = 0, + MTK_JPEG_HW_BUSY = 1, +}; + struct mtk_jpeg_hw_param { struct vb2_v4l2_buffer *src_buffer; struct vb2_v4l2_buffer *dst_buffer; @@ -101,8 +106,13 @@ struct mtk_jpegenc_clk { * @plat_dev: platform device data * @reg_base: JPEG registers mapping * @master_dev: mtk_jpeg_dev device - * @pm: mtk_jpegenc_pm + * @venc_clk: mtk_jpegenc_clk * @jpegenc_irq: jpeg encode irq num + * @job_timeout_work: handle jpeg encode work + * @hw_param: record hw param + * @hw_rdy: record hw ready + * @hw_state: record hw state + * @hw_lock: spinlock protecting the hw device resource */ struct mtk_jpegenc_comp_dev { struct device *dev; @@ -113,6 +123,9 @@ struct mtk_jpegenc_comp_dev { int jpegenc_irq; struct delayed_work job_timeout_work; struct mtk_jpeg_hw_param hw_param; + enum mtk_jpeg_hw_state hw_state; + //spinlock protecting the hw device resource + spinlock_t hw_lock; }; /** @@ -145,6 +158,8 @@ struct mtk_jpeg_dev { void __iomem *reg_encbase[MTK_JPEGENC_HW_MAX]; struct mtk_jpegenc_comp_dev *enc_hw_dev[MTK_JPEGENC_HW_MAX]; bool is_jpgenc_multihw; + wait_queue_head_t enc_hw_wq; + atomic_t enchw_rdy; }; /** @@ -203,6 +218,9 @@ struct mtk_jpeg_ctx { u8 enc_quality; u8 restart_interval; struct v4l2_ctrl_handler ctrl_hdl; + + struct work_struct jpeg_work; + u32 total_frame_num; }; #endif /* _MTK_JPEG_CORE_H */ diff --git a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_enc_hw.c b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_enc_hw.c index 4d0d254bd574..f7e40c010ec4 100644 --- a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_enc_hw.c +++ b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_enc_hw.c @@ -192,6 +192,7 @@ static void mtk_jpegenc_timeout_work(struct work_struct *work) container_of(dly_work, struct mtk_jpegenc_comp_dev, job_timeout_work); + struct mtk_jpeg_dev *master_jpeg = cjpeg->master_dev; enum vb2_buffer_state buf_state = VB2_BUF_STATE_ERROR; struct vb2_v4l2_buffer *src_buf, *dst_buf; @@ -202,6 +203,9 @@ static void mtk_jpegenc_timeout_work(struct work_struct *work) mtk_jpeg_enc_reset(cjpeg->reg_base); clk_disable_unprepare(cjpeg->venc_clk.clks->clk); pm_runtime_put(cjpeg->dev); + cjpeg->hw_state = MTK_JPEG_HW_IDLE; + atomic_inc(&master_jpeg->enchw_rdy); + wake_up(&master_jpeg->enc_hw_wq); v4l2_m2m_buf_done(src_buf, buf_state); } @@ -218,30 +222,33 @@ static irqreturn_t mtk_jpegenc_hw_irq_handler(int irq, void *priv) cancel_delayed_work(&jpeg->job_timeout_work); + ctx = jpeg->hw_param.curr_ctx; + src_buf = jpeg->hw_param.src_buffer; + dst_buf = jpeg->hw_param.dst_buffer; + v4l2_m2m_buf_copy_metadata(src_buf, dst_buf, true); + irq_status = readl(jpeg->reg_base + JPEG_ENC_INT_STS) & JPEG_ENC_INT_STATUS_MASK_ALLIRQ; if (irq_status) writel(0, jpeg->reg_base + JPEG_ENC_INT_STS); if (!(irq_status & JPEG_ENC_INT_STATUS_DONE)) - return IRQ_NONE; - - ctx = v4l2_m2m_get_curr_priv(master_jpeg->m2m_dev); - if (!ctx) { - v4l2_err(&master_jpeg->v4l2_dev, "Context is NULL\n"); - return IRQ_HANDLED; - } - - src_buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx); - dst_buf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx); - v4l2_m2m_buf_copy_metadata(src_buf, dst_buf, true); + v4l2_warn(jpeg->dev, "Jpg Enc occurs unknown Err."); result_size = mtk_jpeg_enc_get_file_size(jpeg->reg_base); vb2_set_plane_payload(&dst_buf->vb2_buf, 0, result_size); buf_state = VB2_BUF_STATE_DONE; v4l2_m2m_buf_done(src_buf, buf_state); v4l2_m2m_buf_done(dst_buf, buf_state); - v4l2_m2m_job_finish(master_jpeg->m2m_dev, ctx->fh.m2m_ctx); pm_runtime_put(ctx->jpeg->dev); + clk_disable_unprepare(jpeg->venc_clk.clks->clk); + if (!list_empty(&ctx->fh.m2m_ctx->out_q_ctx.rdy_queue) || + !list_empty(&ctx->fh.m2m_ctx->cap_q_ctx.rdy_queue)) { + queue_work(master_jpeg->workqueue, &ctx->jpeg_work); + } + + jpeg->hw_state = MTK_JPEG_HW_IDLE; + wake_up(&master_jpeg->enc_hw_wq); + atomic_inc(&master_jpeg->enchw_rdy); return IRQ_HANDLED; } @@ -298,8 +305,19 @@ static int mtk_jpegenc_hw_probe(struct platform_device *pdev) master_dev->is_jpgenc_multihw = true; for (i = 0; i < MTK_JPEGENC_HW_MAX; i++) master_dev->enc_hw_dev[i] = NULL; + + init_waitqueue_head(&master_dev->enc_hw_wq); + master_dev->workqueue = alloc_ordered_workqueue(MTK_JPEG_NAME, + WQ_MEM_RECLAIM + | WQ_FREEZABLE); + if (!master_dev->workqueue) + return -EINVAL; } + atomic_set(&master_dev->enchw_rdy, MTK_JPEGENC_HW_MAX); + spin_lock_init(&dev->hw_lock); + dev->hw_state = MTK_JPEG_HW_IDLE; + INIT_DELAYED_WORK(&dev->job_timeout_work, mtk_jpegenc_timeout_work);