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Wed, 24 Feb 2021 23:36:19 -0800 Received: from mtkmbs07n1.mediatek.inc (172.21.101.16) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 24 Feb 2021 23:36:17 -0800 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs07n1.mediatek.inc (172.21.101.16) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 25 Feb 2021 15:36:15 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 25 Feb 2021 15:36:15 +0800 From: Irui Wang To: Alexandre Courbot , Hans Verkuil , Tiffany Lin , "Andrew-CT Chen" , Mauro Carvalho Chehab , Rob Herring , Matthias Brugger , Tomasz Figa , Hsin-Yi Wang , Maoguang Meng , "Longfei Wang" , Yunfei Dong , Subject: [PATCH v2,3/3] media: mtk-vcodec: Separating mtk encoder driver Date: Thu, 25 Feb 2021 15:36:03 +0800 Message-ID: <20210225073603.5881-3-irui.wang@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20210225073603.5881-1-irui.wang@mediatek.com> References: <20210225073603.5881-1-irui.wang@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-20210225_023627_032578_AE865F01 X-CRM114-Status: GOOD ( 25.88 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Irui Wang , srv_heupstream@mediatek.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org MTK H264 Encoder(VENC_SYS) and VP8 Encoder(VENC_LT_SYS) are two independent hardware instance. They have their owner interrupt, register mapping, and special clocks. This patch separates them into two devices. This is a preparing patch for adding device_link between the larbs and venc-device. It's mainly for fixing the problem: https://lkml.org/lkml/2019/9/3/316 Acked-by: Tiffany Lin Signed-off-by: Hsin-Yi Wang Signed-off-by: Maoguang Meng Signed-off-by: Irui Wang --- Change since v1: - use the same name for both devices instead of using "name" member - rename compatible for backward compatibility --- .../platform/mtk-vcodec/mtk_vcodec_drv.h | 7 +- .../platform/mtk-vcodec/mtk_vcodec_enc.c | 18 ++- .../platform/mtk-vcodec/mtk_vcodec_enc_drv.c | 108 +++++++----------- .../platform/mtk-vcodec/mtk_vcodec_enc_pm.c | 40 +------ .../platform/mtk-vcodec/venc/venc_vp8_if.c | 4 +- 5 files changed, 67 insertions(+), 110 deletions(-) diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h index 3dd010cba23e..869d958d2b99 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h @@ -193,7 +193,6 @@ struct mtk_vcodec_pm { struct mtk_vcodec_clk venc_clk; struct device *larbvenc; - struct device *larbvenclt; struct device *dev; struct mtk_vcodec_dev *mtkdev; }; @@ -311,25 +310,25 @@ enum mtk_chip { * @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 * @min_birate: minimum supported encoding bitrate * @max_bitrate: maximum supported encoding bitrate * @capture_formats: array of supported capture formats * @num_capture_formats: number of entries in capture_formats * @output_formats: array of supported output formats * @num_output_formats: number of entries in output_formats + * @core_id: stand for h264 or vp8 encode index */ struct mtk_vcodec_enc_pdata { enum mtk_chip chip; bool uses_ext; - bool has_lt_irq; unsigned long min_bitrate; unsigned long max_bitrate; const struct mtk_video_fmt *capture_formats; size_t num_capture_formats; const struct mtk_video_fmt *output_formats; size_t num_output_formats; + int core_id; }; #define MTK_ENC_CTX_IS_EXT(ctx) ((ctx)->dev->venc_pdata->uses_ext) @@ -361,7 +360,6 @@ struct mtk_vcodec_enc_pdata { * * @dec_irq: decoder irq resource * @enc_irq: h264 encoder irq resource - * @enc_lt_irq: vp8 encoder irq resource * * @dec_mutex: decoder hardware lock * @enc_mutex: encoder hardware lock. @@ -397,7 +395,6 @@ struct mtk_vcodec_dev { int dec_irq; int enc_irq; - int enc_lt_irq; struct mutex dec_mutex; struct mutex enc_mutex; diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c index 8c917969c2f1..4831052f475d 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c @@ -9,6 +9,7 @@ #include #include #include +#include #include "mtk_vcodec_drv.h" #include "mtk_vcodec_enc.h" @@ -787,7 +788,7 @@ static int vb2ops_venc_start_streaming(struct vb2_queue *q, unsigned int count) */ if ((ctx->state == MTK_STATE_ABORT) || (ctx->state == MTK_STATE_FREE)) { ret = -EIO; - goto err_set_param; + goto err_start_stream; } /* Do the initialization when both start_streaming have been called */ @@ -799,6 +800,12 @@ static int vb2ops_venc_start_streaming(struct vb2_queue *q, unsigned int count) return 0; } + ret = pm_runtime_resume_and_get(&ctx->dev->plat_dev->dev); + if (ret < 0) { + mtk_v4l2_err("pm_runtime_resume_and_get fail %d", ret); + goto err_start_stream; + } + mtk_venc_set_param(ctx, ¶m); ret = venc_if_set_param(ctx, VENC_SET_PARAM_ENC, ¶m); if (ret) { @@ -825,6 +832,11 @@ static int vb2ops_venc_start_streaming(struct vb2_queue *q, unsigned int count) return 0; err_set_param: + ret = pm_runtime_put(&ctx->dev->plat_dev->dev); + if (ret < 0) + mtk_v4l2_err("pm_runtime_put fail %d", ret); + +err_start_stream: for (i = 0; i < q->num_buffers; ++i) { struct vb2_buffer *buf = vb2_get_buffer(q, i); @@ -878,6 +890,10 @@ static void vb2ops_venc_stop_streaming(struct vb2_queue *q) if (ret) mtk_v4l2_err("venc_if_deinit failed=%d", ret); + ret = pm_runtime_put(&ctx->dev->plat_dev->dev); + if (ret < 0) + mtk_v4l2_err("pm_runtime_put fail %d", ret); + ctx->state = MTK_STATE_FREE; } 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 be3842e6ca47..7d7b8cfc2cc5 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c @@ -49,12 +49,15 @@ static const struct mtk_video_fmt mtk_video_formats_output_mt8173[] = { }, }; -static const struct mtk_video_fmt mtk_video_formats_capture_mt8173[] = { +static const struct mtk_video_fmt mtk_video_formats_capture_mt8173_avc[] = { { .fourcc = V4L2_PIX_FMT_H264, .type = MTK_FMT_ENC, .num_planes = 1, }, +}; + +static const struct mtk_video_fmt mtk_video_formats_capture_mt8173_vp8[] = { { .fourcc = V4L2_PIX_FMT_VP8, .type = MTK_FMT_ENC, @@ -110,10 +113,11 @@ static irqreturn_t mtk_vcodec_enc_irq_handler(int irq, void *priv) ctx = dev->curr_ctx; spin_unlock_irqrestore(&dev->irqlock, flags); - mtk_v4l2_debug(1, "id=%d", ctx->id); - addr = dev->reg_base[VENC_SYS] + MTK_VENC_IRQ_ACK_OFFSET; + mtk_v4l2_debug(1, "id=%d coreid:%d", ctx->id, dev->venc_pdata->core_id); + addr = dev->reg_base[dev->venc_pdata->core_id] + + MTK_VENC_IRQ_ACK_OFFSET; - ctx->irq_status = readl(dev->reg_base[VENC_SYS] + + ctx->irq_status = readl(dev->reg_base[dev->venc_pdata->core_id] + (MTK_VENC_IRQ_STATUS_OFFSET)); clean_irq_status(ctx->irq_status, addr); @@ -122,29 +126,6 @@ static irqreturn_t mtk_vcodec_enc_irq_handler(int irq, void *priv) return IRQ_HANDLED; } -static irqreturn_t mtk_vcodec_enc_lt_irq_handler(int irq, void *priv) -{ - struct mtk_vcodec_dev *dev = priv; - struct mtk_vcodec_ctx *ctx; - unsigned long flags; - void __iomem *addr; - - spin_lock_irqsave(&dev->irqlock, flags); - ctx = dev->curr_ctx; - spin_unlock_irqrestore(&dev->irqlock, flags); - - mtk_v4l2_debug(1, "id=%d", ctx->id); - ctx->irq_status = readl(dev->reg_base[VENC_LT_SYS] + - (MTK_VENC_IRQ_STATUS_OFFSET)); - - addr = dev->reg_base[VENC_LT_SYS] + MTK_VENC_IRQ_ACK_OFFSET; - - clean_irq_status(ctx->irq_status, addr); - - wake_up_ctx(ctx, MTK_INST_IRQ_RECEIVED); - return IRQ_HANDLED; -} - static int fops_vcodec_open(struct file *file) { struct mtk_vcodec_dev *dev = video_drvdata(file); @@ -293,17 +274,18 @@ static int mtk_vcodec_probe(struct platform_device *pdev) dev->venc_pdata = of_device_get_match_data(&pdev->dev); ret = mtk_vcodec_init_enc_pm(dev); if (ret < 0) { - dev_err(&pdev->dev, "Failed to get mt vcodec clock source!"); + dev_err(&pdev->dev, "Failed to get mtk vcodec clock source!"); goto err_enc_pm; } - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - dev->reg_base[VENC_SYS] = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR((__force void *)dev->reg_base[VENC_SYS])) { - ret = PTR_ERR((__force void *)dev->reg_base[VENC_SYS]); + pm_runtime_enable(&pdev->dev); + + dev->reg_base[dev->venc_pdata->core_id] = + devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(dev->reg_base[dev->venc_pdata->core_id])) { + ret = PTR_ERR(dev->reg_base[dev->venc_pdata->core_id]); goto err_res; } - mtk_v4l2_debug(2, "reg[%d] base=0x%p", VENC_SYS, dev->reg_base[VENC_SYS]); res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); if (res == NULL) { @@ -318,37 +300,13 @@ static int mtk_vcodec_probe(struct platform_device *pdev) mtk_vcodec_enc_irq_handler, 0, pdev->name, dev); if (ret) { - dev_err(&pdev->dev, "Failed to install dev->enc_irq %d (%d)", - dev->enc_irq, - ret); + dev_err(&pdev->dev, + "Failed to install dev->enc_irq %d (%d) core_id (%d)", + dev->enc_irq, ret, dev->venc_pdata->core_id); ret = -EINVAL; goto err_res; } - if (dev->venc_pdata->has_lt_irq) { - res = platform_get_resource(pdev, IORESOURCE_MEM, 1); - dev->reg_base[VENC_LT_SYS] = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR((__force void *)dev->reg_base[VENC_LT_SYS])) { - ret = PTR_ERR((__force void *)dev->reg_base[VENC_LT_SYS]); - goto err_res; - } - mtk_v4l2_debug(2, "reg[%d] base=0x%p", VENC_LT_SYS, dev->reg_base[VENC_LT_SYS]); - - dev->enc_lt_irq = platform_get_irq(pdev, 1); - irq_set_status_flags(dev->enc_lt_irq, IRQ_NOAUTOEN); - ret = devm_request_irq(&pdev->dev, - dev->enc_lt_irq, - mtk_vcodec_enc_lt_irq_handler, - 0, pdev->name, dev); - if (ret) { - dev_err(&pdev->dev, - "Failed to install dev->enc_lt_irq %d (%d)", - dev->enc_lt_irq, ret); - ret = -EINVAL; - goto err_res; - } - } - mutex_init(&dev->enc_mutex); mutex_init(&dev->dev_mutex); spin_lock_init(&dev->irqlock); @@ -409,8 +367,8 @@ static int mtk_vcodec_probe(struct platform_device *pdev) goto err_enc_reg; } - mtk_v4l2_debug(0, "encoder registered as /dev/video%d", - vfd_enc->num); + mtk_v4l2_debug(0, "encoder %d registered as /dev/video%d", + dev->venc_pdata->core_id, vfd_enc->num); return 0; @@ -429,20 +387,30 @@ static int mtk_vcodec_probe(struct platform_device *pdev) return ret; } -static const struct mtk_vcodec_enc_pdata mt8173_pdata = { +static const struct mtk_vcodec_enc_pdata mt8173_avc_pdata = { .chip = MTK_MT8173, - .has_lt_irq = true, - .capture_formats = mtk_video_formats_capture_mt8173, - .num_capture_formats = ARRAY_SIZE(mtk_video_formats_capture_mt8173), + .capture_formats = mtk_video_formats_capture_mt8173_avc, + .num_capture_formats = ARRAY_SIZE(mtk_video_formats_capture_mt8173_avc), .output_formats = mtk_video_formats_output_mt8173, .num_output_formats = ARRAY_SIZE(mtk_video_formats_output_mt8173), .min_bitrate = 1, .max_bitrate = 4000000, + .core_id = VENC_SYS, +}; + +static const struct mtk_vcodec_enc_pdata mt8173_vp8_pdata = { + .chip = MTK_MT8173, + .capture_formats = mtk_video_formats_capture_mt8173_vp8, + .num_capture_formats = ARRAY_SIZE(mtk_video_formats_capture_mt8173_vp8), + .output_formats = mtk_video_formats_output_mt8173, + .num_output_formats = ARRAY_SIZE(mtk_video_formats_output_mt8173), + .min_bitrate = 64, + .max_bitrate = 4000000, + .core_id = VENC_LT_SYS, }; static const struct mtk_vcodec_enc_pdata mt8183_pdata = { .chip = MTK_MT8183, - .has_lt_irq = false, .uses_ext = true, .capture_formats = mtk_video_formats_capture_mt8183, .num_capture_formats = ARRAY_SIZE(mtk_video_formats_capture_mt8183), @@ -451,10 +419,14 @@ static const struct mtk_vcodec_enc_pdata mt8183_pdata = { .num_output_formats = ARRAY_SIZE(mtk_video_formats_output_mt8173), .min_bitrate = 64, .max_bitrate = 40000000, + .core_id = VENC_SYS, }; static const struct of_device_id mtk_vcodec_enc_match[] = { - {.compatible = "mediatek,mt8173-vcodec-enc", .data = &mt8173_pdata}, + {.compatible = "mediatek,mt8173-vcodec-enc", + .data = &mt8173_avc_pdata}, + {.compatible = "mediatek,mt8173-vcodec-enc-vp8", + .data = &mt8173_vp8_pdata}, {.compatible = "mediatek,mt8183-vcodec-enc", .data = &mt8183_pdata}, {}, }; diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c index 3b7c54d6aa8f..1b2e4930ed27 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c @@ -43,23 +43,6 @@ int mtk_vcodec_init_enc_pm(struct mtk_vcodec_dev *mtkdev) return -ENODEV; } pm->larbvenc = &pdev->dev; - - node = of_parse_phandle(dev->of_node, "mediatek,larb", 1); - if (!node) { - mtk_v4l2_err("no mediatek,larb found"); - ret = -ENODEV; - goto put_larbvenc; - } - - pdev = of_find_device_by_node(node); - of_node_put(node); - if (!pdev) { - mtk_v4l2_err("no mediatek,larb device found"); - ret = -ENODEV; - goto put_larbvenc; - } - - pm->larbvenclt = &pdev->dev; pdev = mtkdev->plat_dev; pm->dev = &pdev->dev; @@ -71,12 +54,12 @@ int mtk_vcodec_init_enc_pm(struct mtk_vcodec_dev *mtkdev) GFP_KERNEL); if (!enc_clk->clk_info) { ret = -ENOMEM; - goto put_larbvenclt; + goto put_larbvenc; } } else { mtk_v4l2_err("Failed to get venc clock count"); ret = -EINVAL; - goto put_larbvenclt; + goto put_larbvenc; } for (i = 0; i < enc_clk->clk_num; i++) { @@ -85,7 +68,7 @@ int mtk_vcodec_init_enc_pm(struct mtk_vcodec_dev *mtkdev) "clock-names", i, &clk_info->clk_name); if (ret) { mtk_v4l2_err("venc failed to get clk name %d", i); - goto put_larbvenclt; + goto put_larbvenc; } clk_info->vcodec_clk = devm_clk_get(&pdev->dev, clk_info->clk_name); @@ -93,14 +76,12 @@ int mtk_vcodec_init_enc_pm(struct mtk_vcodec_dev *mtkdev) mtk_v4l2_err("venc devm_clk_get (%d)%s fail", i, clk_info->clk_name); ret = PTR_ERR(clk_info->vcodec_clk); - goto put_larbvenclt; + goto put_larbvenc; } } return 0; -put_larbvenclt: - put_device(pm->larbvenclt); put_larbvenc: put_device(pm->larbvenc); return ret; @@ -108,7 +89,7 @@ int mtk_vcodec_init_enc_pm(struct mtk_vcodec_dev *mtkdev) void mtk_vcodec_release_enc_pm(struct mtk_vcodec_dev *mtkdev) { - put_device(mtkdev->pm.larbvenclt); + pm_runtime_disable(mtkdev->pm.dev); put_device(mtkdev->pm.larbvenc); } @@ -130,18 +111,10 @@ void mtk_vcodec_enc_clock_on(struct mtk_vcodec_pm *pm) ret = mtk_smi_larb_get(pm->larbvenc); if (ret) { mtk_v4l2_err("mtk_smi_larb_get larb3 fail %d", ret); - goto larbvencerr; - } - ret = mtk_smi_larb_get(pm->larbvenclt); - if (ret) { - mtk_v4l2_err("mtk_smi_larb_get larb4 fail %d", ret); - goto larbvenclterr; + goto clkerr; } return; -larbvenclterr: - mtk_smi_larb_put(pm->larbvenc); -larbvencerr: clkerr: for (i -= 1; i >= 0; i--) clk_disable_unprepare(enc_clk->clk_info[i].vcodec_clk); @@ -153,7 +126,6 @@ void mtk_vcodec_enc_clock_off(struct mtk_vcodec_pm *pm) int i = 0; mtk_smi_larb_put(pm->larbvenc); - mtk_smi_larb_put(pm->larbvenclt); for (i = enc_clk->clk_num - 1; i >= 0; i--) clk_disable_unprepare(enc_clk->clk_info[i].vcodec_clk); } diff --git a/drivers/media/platform/mtk-vcodec/venc/venc_vp8_if.c b/drivers/media/platform/mtk-vcodec/venc/venc_vp8_if.c index 11abb191ada5..8267a9c4fd25 100644 --- a/drivers/media/platform/mtk-vcodec/venc/venc_vp8_if.c +++ b/drivers/media/platform/mtk-vcodec/venc/venc_vp8_if.c @@ -367,7 +367,7 @@ static int vp8_enc_encode(void *handle, mtk_vcodec_debug_enter(inst); - enable_irq(ctx->dev->enc_lt_irq); + enable_irq(ctx->dev->enc_irq); switch (opt) { case VENC_START_OPT_ENCODE_FRAME: @@ -386,7 +386,7 @@ static int vp8_enc_encode(void *handle, encode_err: - disable_irq(ctx->dev->enc_lt_irq); + disable_irq(ctx->dev->enc_irq); mtk_vcodec_debug_leave(inst); return ret;