From patchwork Tue Jun 14 12:10:22 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Irui Wang X-Patchwork-Id: 581742 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 013D7C43334 for ; Tue, 14 Jun 2022 12:11:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238564AbiFNMLS (ORCPT ); Tue, 14 Jun 2022 08:11:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37114 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1356571AbiFNMK5 (ORCPT ); Tue, 14 Jun 2022 08:10:57 -0400 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BB9B449F03; Tue, 14 Jun 2022 05:10:41 -0700 (PDT) X-UUID: eba334edc0e64b46bbe58691bb953077-20220614 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.6, REQID:8ab59936-1baf-4174-8cfe-da34cdb62bcf, OB:0, LO B:0,IP:0,URL:0,TC:0,Content:-5,EDM:0,RT:0,SF:0,FILE:0,RULE:Release_Ham,ACT ION:release,TS:-5 X-CID-META: VersionHash:b14ad71, CLOUDID:7def69c5-c67b-4a73-9b18-726dd8f2eb58, C OID:IGNORED,Recheck:0,SF:nil,TC:nil,Content:0,EDM:-3,IP:nil,URL:0,File:nil ,QS:nil,BEC:nil,COL:0 X-UUID: eba334edc0e64b46bbe58691bb953077-20220614 Received: from mtkmbs10n2.mediatek.inc [(172.21.101.183)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 29157140; Tue, 14 Jun 2022 20:10:34 +0800 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) by mtkmbs11n2.mediatek.inc (172.21.101.187) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.792.3; Tue, 14 Jun 2022 20:10:33 +0800 Received: from localhost.localdomain (10.17.3.154) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.3 via Frontend Transport; Tue, 14 Jun 2022 20:10:32 +0800 From: Irui Wang To: Hans Verkuil , Mauro Carvalho Chehab , Rob Herring , Matthias Brugger , Tzung-Bi Shih , , , CC: , , , , , , Tomasz Figa , , , kyrie wu , Subject: [RESEND V9,5/7] mtk-jpegenc: add jpeg encode worker interface Date: Tue, 14 Jun 2022 20:10:22 +0800 Message-ID: <20220614121024.31667-6-irui.wang@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220614121024.31667-1-irui.wang@mediatek.com> References: <20220614121024.31667-1-irui.wang@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: devicetree@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 --- .../platform/mediatek/jpeg/mtk_jpeg_core.c | 216 ++++++++++++++++-- .../platform/mediatek/jpeg/mtk_jpeg_core.h | 30 ++- .../platform/mediatek/jpeg/mtk_jpeg_enc_hw.c | 38 ++- 3 files changed, 248 insertions(+), 36 deletions(-) diff --git a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c index f7a5b971e628..f35ca23d3139 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; @@ -907,38 +915,138 @@ static int mtk_jpeg_set_dec_dst(struct mtk_jpeg_ctx *ctx, return 0; } -static void mtk_jpeg_enc_device_run(void *priv) +static int mtk_jpegenc_select_hw(struct mtk_jpeg_ctx *ctx) { - struct mtk_jpeg_ctx *ctx = priv; + struct mtk_jpegenc_comp_dev *comp_jpeg; struct mtk_jpeg_dev *jpeg = ctx->jpeg; - struct vb2_v4l2_buffer *src_buf, *dst_buf; + 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_deselect_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; + atomic_t *hw_rdy[MTK_JPEGENC_HW_MAX]; + int ret, i, hw_id = 0; unsigned long flags; - int ret; + 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]; + hw_rdy[i] = &comp_jpeg[i]->hw_rdy; + } + +retry_select: + hw_id = mtk_jpegenc_select_hw(ctx); + if (hw_id < 0) { + ret = wait_event_interruptible(jpeg->enc_hw_wq, + (atomic_read(hw_rdy[0]) || + atomic_read(hw_rdy[1])) > 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(&comp_jpeg[hw_id]->hw_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; - ret = pm_runtime_resume_and_get(jpeg->dev); - if (ret < 0) + 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; + } - schedule_delayed_work(&jpeg->job_timeout_work, - msecs_to_jiffies(MTK_JPEG_HW_TIMEOUT_MSEC)); + 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; + } - spin_lock_irqsave(&jpeg->hw_lock, flags); + schedule_delayed_work(&comp_jpeg[hw_id]->job_timeout_work, + msecs_to_jiffies(MTK_JPEG_HW_TIMEOUT_MSEC)); - /* - * Resetting the hardware every frame is to ensure that all the - * registers are cleared. This is a hardware requirement. - */ - mtk_jpeg_enc_reset(jpeg->reg_base); + 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); - mtk_jpeg_set_enc_src(ctx, jpeg->reg_base, &src_buf->vb2_buf); - mtk_jpeg_set_enc_dst(ctx, jpeg->reg_base, &dst_buf->vb2_buf); - mtk_jpeg_set_enc_params(ctx, jpeg->reg_base); - mtk_jpeg_enc_start(jpeg->reg_base); - spin_unlock_irqrestore(&jpeg->hw_lock, flags); return; enc_end: @@ -946,9 +1054,58 @@ static void mtk_jpeg_enc_device_run(void *priv) 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(&comp_jpeg[hw_id]->hw_rdy); + mtk_jpegenc_deselect_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; + struct mtk_jpeg_dev *jpeg = ctx->jpeg; + struct vb2_v4l2_buffer *src_buf, *dst_buf; + enum vb2_buffer_state buf_state = VB2_BUF_STATE_ERROR; + unsigned long flags; + int ret; + + if (!jpeg->variant->is_multihw) { + src_buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx); + dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx); + + ret = pm_runtime_resume_and_get(jpeg->dev); + if (ret < 0) + goto enc_end; + + schedule_delayed_work(&jpeg->job_timeout_work, + msecs_to_jiffies(MTK_JPEG_HW_TIMEOUT_MSEC)); + + spin_lock_irqsave(&jpeg->hw_lock, flags); + + /* + * Resetting the hardware every frame is to ensure that all the + * registers are cleared. This is a hardware requirement. + */ + mtk_jpeg_enc_reset(jpeg->reg_base); + + mtk_jpeg_set_enc_src(ctx, jpeg->reg_base, &src_buf->vb2_buf); + mtk_jpeg_set_enc_dst(ctx, jpeg->reg_base, &dst_buf->vb2_buf); + mtk_jpeg_set_enc_params(ctx, jpeg->reg_base); + mtk_jpeg_enc_start(jpeg->reg_base); + spin_unlock_irqrestore(&jpeg->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); + v4l2_m2m_job_finish(jpeg->m2m_dev, ctx->fh.m2m_ctx); + } else { + queue_work(jpeg->workqueue, &ctx->jpeg_work); + } +} + static void mtk_jpeg_dec_device_run(void *priv) { struct mtk_jpeg_ctx *ctx = priv; @@ -1211,6 +1368,13 @@ static int mtk_jpeg_open(struct file *file) goto free; } + if (jpeg->variant->is_multihw) { + if (of_property_read_bool(jpeg->dev->of_node, + "mediatek,jpegenc-multi-core")) { + INIT_WORK(&ctx->jpeg_work, mtk_jpegenc_worker); + } + } + v4l2_fh_init(&ctx->fh, vfd); file->private_data = &ctx->fh; v4l2_fh_add(&ctx->fh); @@ -1345,6 +1509,18 @@ static int mtk_jpeg_probe(struct platform_device *pdev) dev_err(&pdev->dev, "Failed to init clk\n"); goto err_clk_init; } + } else { + if (of_property_read_bool(pdev->dev.of_node, + "mediatek,jpegenc-multi-core")) { + init_waitqueue_head(&jpeg->enc_hw_wq); + jpeg->workqueue = alloc_ordered_workqueue(MTK_JPEG_NAME, + WQ_MEM_RECLAIM + | WQ_FREEZABLE); + if (!jpeg->workqueue) { + ret = -EINVAL; + goto err_alloc_workqueue; + } + } } ret = v4l2_device_register(&pdev->dev, &jpeg->v4l2_dev); @@ -1421,6 +1597,8 @@ static int mtk_jpeg_probe(struct platform_device *pdev) err_clk_init: +err_alloc_workqueue: + err_req_irq: return ret; diff --git a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.h b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.h index 0683d80fcea5..d233a49bf952 100644 --- a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.h +++ b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.h @@ -76,6 +76,11 @@ 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; @@ -98,12 +103,17 @@ struct mtk_jpegenc_clk { /** * struct mtk_jpegenc_comp_dev - JPEG COREX abstraction - * @dev: JPEG device - * @plat_dev: platform device data - * @reg_base: JPEG registers mapping - * @master_dev: mtk_jpeg_dev device - * @pm: mtk_jpegenc_pm - * @jpegenc_irq: jpeg encode irq num + * @dev: JPEG device + * @plat_dev: platform device data + * @reg_base: JPEG registers mapping + * @master_dev: mtk_jpeg_dev device + * @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; @@ -115,6 +125,10 @@ struct mtk_jpegenc_comp_dev { int hw_id; struct delayed_work job_timeout_work; struct mtk_jpeg_hw_param hw_param; + atomic_t hw_rdy; + enum mtk_jpeg_hw_state hw_state; + //spinlock protecting the hw device resource + spinlock_t hw_lock; }; /** @@ -146,6 +160,7 @@ struct mtk_jpeg_dev { void __iomem *reg_encbase[MTK_JPEGENC_HW_MAX]; struct mtk_jpegenc_comp_dev *enc_hw_dev[MTK_JPEGENC_HW_MAX]; + wait_queue_head_t enc_hw_wq; }; /** @@ -204,6 +219,9 @@ 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 7db74dc5e5b1..c25702f26b9a 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(&cjpeg->hw_rdy); + wake_up(&master_jpeg->enc_hw_wq); v4l2_m2m_buf_done(src_buf, buf_state); } @@ -218,30 +222,38 @@ 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; + dst_buf->vb2_buf.timestamp = src_buf->vb2_buf.timestamp; + 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; + if (!(irq_status & JPEG_ENC_INT_STATUS_DONE)) { + dev_err(jpeg->dev, " Not JPEG_ENC_INT_STATUS_DONE\n"); + goto irq_handled; } - src_buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx); - dst_buf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx); - dst_buf->vb2_buf.timestamp = src_buf->vb2_buf.timestamp; - result_size = mtk_jpeg_enc_get_file_size(jpeg->reg_base); vb2_set_plane_payload(&dst_buf->vb2_buf, 0, result_size); + +irq_handled: 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(&jpeg->hw_rdy); return IRQ_HANDLED; } @@ -294,6 +306,10 @@ static int mtk_jpegenc_hw_probe(struct platform_device *pdev) dev->plat_dev = pdev; dev->dev = &pdev->dev; + atomic_set(&dev->hw_rdy, 1U); + spin_lock_init(&dev->hw_lock); + dev->hw_state = MTK_JPEG_HW_IDLE; + INIT_DELAYED_WORK(&dev->job_timeout_work, mtk_jpegenc_timeout_work);