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Wed, 30 Jun 2021 00:38:33 -0700 Received: from MTKMBS07N2.mediatek.inc (172.21.101.141) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 30 Jun 2021 00:28:31 -0700 Received: from mtkcas10.mediatek.inc (172.21.101.39) by mtkmbs07n2.mediatek.inc (172.21.101.141) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 30 Jun 2021 15:28:29 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas10.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 30 Jun 2021 15:28:22 +0800 From: kyrie.wu To: Hans Verkuil , Mauro Carvalho Chehab , Rob Herring , Bin Liu , Matthias Brugger , "Tzung-Bi Shih" CC: , , , , , , Tomasz Figa , , , , kyrie.wu Subject: [PATCH v2, 9/9] media: mtk-jpegenc: Refactor jpegenc device run interface Date: Wed, 30 Jun 2021 15:27:59 +0800 Message-ID: <1625038079-25815-10-git-send-email-kyrie.wu@mediatek.com> X-Mailer: git-send-email 2.6.4 In-Reply-To: <1625038079-25815-1-git-send-email-kyrie.wu@mediatek.com> References: <1625038079-25815-1-git-send-email-kyrie.wu@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210630_003837_623367_33DB6186 X-CRM114-Status: GOOD ( 19.66 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org modify jpegenc device run func interface and add worker for encode Signed-off-by: kyrie.wu --- drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c | 109 ++++++++++++++++++++---- 1 file changed, 94 insertions(+), 15 deletions(-) diff --git a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c index 0143baf8..190e405 100644 --- a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c +++ b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c @@ -985,38 +985,99 @@ static int mtk_jpeg_set_hw_param(struct mtk_jpeg_ctx *ctx, return 0; } -static void mtk_jpeg_enc_device_run(void *priv) +static void mtk_jpegenc_worker(struct work_struct *work) { - struct mtk_jpeg_ctx *ctx = priv; + struct mtk_jpeg_ctx *ctx = container_of(work, struct mtk_jpeg_ctx, + jpeg_work); struct mtk_jpeg_dev *jpeg = ctx->jpeg; + struct mtk_jpeg_dev *comp_jpeg[MTK_JPEGENC_HW_MAX]; struct vb2_v4l2_buffer *src_buf, *dst_buf; enum vb2_buffer_state buf_state = VB2_BUF_STATE_ERROR; unsigned long flags; - int ret; + struct mtk_jpeg_src_buf *jpeg_src_buf, *jpeg_dst_buf; + int ret, i, hw_id = 0; + atomic_t *hw_rdy[MTK_JPEGENC_HW_MAX]; + struct clk *jpegenc_clk; + + for (i = 0; i < MTK_JPEGENC_HW_MAX; i++) { + comp_jpeg[i] = jpeg->hw_dev[i]; + hw_rdy[i] = &comp_jpeg[i]->hw_rdy; + } + +retry_select: + hw_id = mtk_jpeg_select_hw(ctx); + if (hw_id < 0) { + ret = wait_event_interruptible(jpeg->hw_wq, + (atomic_read(hw_rdy[0]) || + atomic_read(hw_rdy[1])) > 0); + if (ret != 0) { + dev_err(jpeg->dev, "all HW are busy\n"); + v4l2_m2m_job_finish(jpeg->m2m_dev, ctx->fh.m2m_ctx); + return; + } + dev_err(jpeg->dev, "NEW HW IDLE, please retry selcet!!!\n"); + 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) { + dev_err(jpeg->dev, "get src_buf fail !!!\n"); + goto getbuf_fail; + } + dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx); + if (!dst_buf) { + dev_err(jpeg->dev, "get dst_buf fail !!!\n"); + goto getbuf_fail; + } - ret = pm_runtime_get_sync(jpeg->dev); - if (ret < 0) + jpeg_src_buf = mtk_jpeg_vb2_to_srcbuf(&src_buf->vb2_buf); + jpeg_dst_buf = mtk_jpeg_vb2_to_srcbuf(&dst_buf->vb2_buf); + + jpeg_src_buf->curr_ctx = ctx; + jpeg_src_buf->frame_num = ctx->total_frame_num; + jpeg_dst_buf->curr_ctx = ctx; + jpeg_dst_buf->frame_num = ctx->total_frame_num; + ctx->total_frame_num++; + + v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx); + v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx); + + mtk_jpeg_set_hw_param(ctx, hw_id, src_buf, dst_buf); + + ret = pm_runtime_get_sync(comp_jpeg[hw_id]->pm.dev); + if (ret < 0) { + dev_err(jpeg->dev, "pm_runtime_get_sync fail !!!\n"); goto enc_end; + } - schedule_delayed_work(&jpeg->job_timeout_work, - msecs_to_jiffies(MTK_JPEG_HW_TIMEOUT_MSEC)); + jpegenc_clk = comp_jpeg[hw_id]->pm.venc_clk.clk_info->jpegenc_clk; + ret = clk_prepare_enable(jpegenc_clk); + if (ret) { + dev_err(jpeg->dev, "jpegenc clk_prepare_enable fail !!!\n"); + 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); - - 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); + spin_lock_irqsave(&comp_jpeg[hw_id]->hw_lock, flags); + mtk_jpeg_enc_reset(comp_jpeg[hw_id]->reg_base[0]); + mtk_jpeg_set_enc_dst(ctx, + comp_jpeg[hw_id]->reg_base[0], + &dst_buf->vb2_buf); + mtk_jpeg_set_enc_src(ctx, + comp_jpeg[hw_id]->reg_base[0], + &src_buf->vb2_buf); + mtk_jpeg_set_enc_params(ctx, comp_jpeg[hw_id]->reg_base[0]); + mtk_jpeg_enc_start(comp_jpeg[hw_id]->reg_base[0]); + v4l2_m2m_job_finish(jpeg->m2m_dev, ctx->fh.m2m_ctx); + spin_unlock_irqrestore(&comp_jpeg[hw_id]->hw_lock, flags); return; enc_end: @@ -1024,9 +1085,20 @@ 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_jpeg_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; + + queue_work(jpeg->workqueue, &ctx->jpeg_work); +} + static void mtk_jpeg_dec_device_run(void *priv) { struct mtk_jpeg_ctx *ctx = priv; @@ -1419,6 +1491,11 @@ static int mtk_jpeg_open(struct file *file) goto free; } + if (jpeg->variant->is_encoder) { + INIT_WORK(&ctx->jpeg_work, mtk_jpegenc_worker); + INIT_LIST_HEAD(&ctx->dst_done_queue); + } + v4l2_fh_init(&ctx->fh, vfd); file->private_data = &ctx->fh; v4l2_fh_add(&ctx->fh); @@ -1781,6 +1858,8 @@ static int mtk_jpeg_remove(struct platform_device *pdev) v4l2_m2m_release(jpeg->m2m_dev); v4l2_device_unregister(&jpeg->v4l2_dev); mtk_jpeg_clk_release(jpeg); + flush_workqueue(jpeg->workqueue); + destroy_workqueue(jpeg->workqueue); return 0; }