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Sat, 17 Jul 2021 01:12:49 -0700 Received: from MTKMBS02N1.mediatek.inc (172.21.101.77) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sat, 17 Jul 2021 01:12:47 -0700 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkmbs02n1.mediatek.inc (172.21.101.77) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sat, 17 Jul 2021 16:12:45 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Sat, 17 Jul 2021 16:12:45 +0800 From: Yunfei Dong To: Yunfei Dong , Alexandre Courbot , Hans Verkuil , "Tzung-Bi Shih" , Tiffany Lin , Andrew-CT Chen , Mauro Carvalho Chehab , Rob Herring , Matthias Brugger , Tomasz Figa CC: Hsin-Yi Wang , Fritz Koenig , Irui Wang , , , , , , , Subject: [PATCH v2, 08/14] media: mtk-vcodec: Generalize power and clock on/off interfaces Date: Sat, 17 Jul 2021 16:12:27 +0800 Message-ID: <20210717081233.7809-9-yunfei.dong@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20210717081233.7809-1-yunfei.dong@mediatek.com> References: <20210717081233.7809-1-yunfei.dong@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-20210717_011253_216687_50F9EB1A X-CRM114-Status: GOOD ( 19.57 ) 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 Generalizes power and clock on/off interfaces to support different hardware. Signed-off-by: Yunfei Dong --- v2: no changes --- .../platform/mtk-vcodec/mtk_vcodec_dec_drv.c | 6 +- .../platform/mtk-vcodec/mtk_vcodec_dec_hw.c | 2 +- .../platform/mtk-vcodec/mtk_vcodec_dec_hw.h | 4 + .../platform/mtk-vcodec/mtk_vcodec_dec_pm.c | 76 ++++++++++++++-- .../platform/mtk-vcodec/mtk_vcodec_dec_pm.h | 8 +- .../platform/mtk-vcodec/mtk_vcodec_drv.h | 2 + .../platform/mtk-vcodec/mtk_vcodec_util.c | 87 ++++++++++++++++--- .../platform/mtk-vcodec/mtk_vcodec_util.h | 8 +- .../media/platform/mtk-vcodec/vdec_drv_if.c | 21 ++--- 9 files changed, 174 insertions(+), 40 deletions(-) diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c index d1c4124f6092..29c20269e0e4 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c @@ -140,7 +140,7 @@ static irqreturn_t mtk_vcodec_dec_irq_handler(int irq, void *priv) void __iomem *vdec_misc_addr = dev->reg_base[VDEC_MISC] + VDEC_IRQ_CFG_REG; - ctx = mtk_vcodec_get_curr_ctx(dev); + ctx = mtk_vcodec_get_curr_ctx(dev, MTK_VDEC_CORE); /* check if HW active or not */ cg_status = readl(dev->reg_base[0]); @@ -309,7 +309,7 @@ static int fops_vcodec_open(struct file *file) mtk_vcodec_dec_set_default_params(ctx); if (v4l2_fh_is_singular(&ctx->fh)) { - ret = mtk_vcodec_dec_pw_on(&dev->pm); + ret = mtk_vcodec_dec_pw_on(dev, MTK_VDEC_LAT0); if (ret < 0) goto err_load_fw; /* @@ -370,7 +370,7 @@ static int fops_vcodec_release(struct file *file) mtk_vcodec_dec_release(ctx); if (v4l2_fh_is_singular(&ctx->fh)) - mtk_vcodec_dec_pw_off(&dev->pm); + mtk_vcodec_dec_pw_off(dev, MTK_VDEC_LAT0); v4l2_fh_del(&ctx->fh); v4l2_fh_exit(&ctx->fh); v4l2_ctrl_handler_free(&ctx->ctrl_hdl); diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_hw.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_hw.c index 34d51fe409c6..6bacd9ce9eaa 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_hw.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_hw.c @@ -76,7 +76,7 @@ static irqreturn_t mtk_vdec_comp_irq_handler(int irq, void *priv) void __iomem *vdec_misc_addr = dev->reg_base[VDEC_COMP_MISC] + VDEC_IRQ_CFG_REG; - ctx = mtk_vcodec_get_curr_ctx(dev->master_dev); + ctx = mtk_vcodec_get_curr_ctx(dev->master_dev, dev->comp_idx); /* check if HW active or not */ cg_status = readl(dev->reg_base[VDEC_COMP_SYS]); diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_hw.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_hw.h index 514e3fd190d1..1395ac089fc4 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_hw.h +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_hw.h @@ -28,6 +28,8 @@ enum mtk_comp_hw_reg_idx { * @irqlock: protect data access by irq handler and work thread * @reg_base: Mapped address of MTK Vcodec registers. * + * @curr_ctx: The context that is waiting for codec hardware + * * @dec_irq: decoder irq resource * @pm: power management control * @comp_idx: component index @@ -38,6 +40,8 @@ struct mtk_vdec_comp_dev { spinlock_t irqlock; void __iomem *reg_base[VDEC_COMP_MAX]; + struct mtk_vcodec_ctx *curr_ctx; + int dec_irq; struct mtk_vcodec_pm pm; int comp_idx; diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c index 20bd157a855c..6d6a5a6a7022 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c @@ -5,11 +5,13 @@ */ #include +#include #include #include #include #include +#include "mtk_vcodec_dec_hw.h" #include "mtk_vcodec_dec_pm.h" #include "mtk_vcodec_util.h" @@ -84,10 +86,23 @@ void mtk_vcodec_release_dec_pm(struct mtk_vcodec_pm *pm) put_device(pm->larbvdec); } -int mtk_vcodec_dec_pw_on(struct mtk_vcodec_pm *pm) +int mtk_vcodec_dec_pw_on(struct mtk_vcodec_dev *vdec_dev, int comp_idx) { + struct mtk_vdec_comp_dev *comp_dev; + struct mtk_vcodec_pm *pm; int ret; + if (vdec_dev->is_support_comp) { + comp_dev = mtk_vcodec_get_hw_dev(vdec_dev, comp_idx); + if (!comp_dev) { + mtk_v4l2_err("Failed to get hw dev\n"); + return -EINVAL; + } + pm = &comp_dev->pm; + } else { + pm = &vdec_dev->pm; + } + ret = pm_runtime_resume_and_get(pm->dev); if (ret) mtk_v4l2_err("pm_runtime_resume_and_get fail %d", ret); @@ -95,20 +110,49 @@ int mtk_vcodec_dec_pw_on(struct mtk_vcodec_pm *pm) return ret; } -void mtk_vcodec_dec_pw_off(struct mtk_vcodec_pm *pm) +void mtk_vcodec_dec_pw_off(struct mtk_vcodec_dev *vdec_dev, int comp_idx) { + struct mtk_vdec_comp_dev *comp_dev; + struct mtk_vcodec_pm *pm; int ret; + if (vdec_dev->is_support_comp) { + comp_dev = mtk_vcodec_get_hw_dev(vdec_dev, comp_idx); + if (!comp_dev) { + mtk_v4l2_err("Failed to get hw dev\n"); + return; + } + pm = &comp_dev->pm; + } else { + pm = &vdec_dev->pm; + } + ret = pm_runtime_put_sync(pm->dev); if (ret) mtk_v4l2_err("pm_runtime_put_sync fail %d", ret); } -void mtk_vcodec_dec_clock_on(struct mtk_vcodec_pm *pm) +void mtk_vcodec_dec_clock_on(struct mtk_vcodec_dev *vdec_dev, int comp_idx) { - struct mtk_vcodec_clk *dec_clk = &pm->vdec_clk; - int ret, i = 0; + struct mtk_vdec_comp_dev *comp_dev; + struct mtk_vcodec_pm *pm; + struct mtk_vcodec_clk *dec_clk; + int ret, i; + + if (vdec_dev->is_support_comp) { + comp_dev = mtk_vcodec_get_hw_dev(vdec_dev, comp_idx); + if (!comp_dev) { + mtk_v4l2_err("Failed to get hw dev\n"); + return; + } + pm = &comp_dev->pm; + enable_irq(comp_dev->dec_irq); + } else { + pm = &vdec_dev->pm; + enable_irq(vdec_dev->dec_irq); + } + dec_clk = &pm->vdec_clk; for (i = 0; i < dec_clk->clk_num; i++) { ret = clk_prepare_enable(dec_clk->clk_info[i].vcodec_clk); if (ret) { @@ -130,11 +174,27 @@ void mtk_vcodec_dec_clock_on(struct mtk_vcodec_pm *pm) clk_disable_unprepare(dec_clk->clk_info[i].vcodec_clk); } -void mtk_vcodec_dec_clock_off(struct mtk_vcodec_pm *pm) +void mtk_vcodec_dec_clock_off(struct mtk_vcodec_dev *vdec_dev, int comp_idx) { - struct mtk_vcodec_clk *dec_clk = &pm->vdec_clk; - int i = 0; + struct mtk_vdec_comp_dev *comp_dev; + struct mtk_vcodec_pm *pm; + struct mtk_vcodec_clk *dec_clk; + int i; + if (vdec_dev->is_support_comp) { + comp_dev = mtk_vcodec_get_hw_dev(vdec_dev, comp_idx); + if (!comp_dev) { + mtk_v4l2_err("Failed to get hw dev\n"); + return; + } + pm = &comp_dev->pm; + disable_irq(comp_dev->dec_irq); + } else { + pm = &vdec_dev->pm; + disable_irq(vdec_dev->dec_irq); + } + + dec_clk = &pm->vdec_clk; mtk_smi_larb_put(pm->larbvdec); for (i = dec_clk->clk_num - 1; i >= 0; i--) clk_disable_unprepare(dec_clk->clk_info[i].vcodec_clk); diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.h index a3df6aef6cb9..698750572b57 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.h +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.h @@ -13,9 +13,9 @@ int mtk_vcodec_init_dec_pm(struct platform_device *pdev, struct mtk_vcodec_pm *pm); void mtk_vcodec_release_dec_pm(struct mtk_vcodec_pm *pm); -int mtk_vcodec_dec_pw_on(struct mtk_vcodec_pm *pm); -void mtk_vcodec_dec_pw_off(struct mtk_vcodec_pm *pm); -void mtk_vcodec_dec_clock_on(struct mtk_vcodec_pm *pm); -void mtk_vcodec_dec_clock_off(struct mtk_vcodec_pm *pm); +int mtk_vcodec_dec_pw_on(struct mtk_vcodec_dev *vdec_dev, int comp_idx); +void mtk_vcodec_dec_pw_off(struct mtk_vcodec_dev *vdec_dev, int comp_idx); +void mtk_vcodec_dec_clock_on(struct mtk_vcodec_dev *vdec_dev, int comp_idx); +void mtk_vcodec_dec_clock_off(struct mtk_vcodec_dev *vdec_dev, int comp_idx); #endif /* _MTK_VCODEC_DEC_PM_H_ */ diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h index ae93b6c7b0b6..22a34f264343 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h @@ -294,6 +294,7 @@ struct vdec_pic_info { * @decoded_frame_cnt: number of decoded frames * @lock: protect variables accessed by V4L2 threads and worker thread such as * mtk_video_dec_buf. + * @hw_id: hardware index used to identify different hardware. * * @msg_queue: msg queue used to store lat buffer information. */ @@ -342,6 +343,7 @@ struct mtk_vcodec_ctx { int decoded_frame_cnt; struct mutex lock; + int hw_id; struct vdec_msg_queue msg_queue; }; diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.c index ac5973b6735f..99ccbc73a85e 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.c @@ -6,7 +6,10 @@ */ #include +#include +#include +#include "mtk_vcodec_dec_hw.h" #include "mtk_vcodec_drv.h" #include "mtk_vcodec_util.h" @@ -81,25 +84,87 @@ void mtk_vcodec_mem_free(struct mtk_vcodec_ctx *data, } EXPORT_SYMBOL(mtk_vcodec_mem_free); -void mtk_vcodec_set_curr_ctx(struct mtk_vcodec_dev *dev, - struct mtk_vcodec_ctx *ctx) +void *mtk_vcodec_get_hw_dev(struct mtk_vcodec_dev *dev, int comp_idx) { - unsigned long flags; + struct platform_device *hw_pdev; + struct device_node *node; + struct mtk_vdec_comp_dev *master_dev; + + if (comp_idx >= MTK_VDEC_HW_MAX || comp_idx < 0) { + mtk_v4l2_err("Comp idx is out of range:%d", comp_idx); + return NULL; + } + + if (dev->comp_dev[comp_idx]) + return dev->comp_dev[comp_idx]; + + node = dev->component_node[comp_idx]; + if (!node) { + mtk_v4l2_err("Get lat node fail:%d", comp_idx); + return NULL; + } + + hw_pdev = of_find_device_by_node(node); + of_node_put(node); + + if (WARN_ON(!hw_pdev)) { + mtk_v4l2_err("Get hw id(%d) node fail", comp_idx); + return NULL; + } + + master_dev = platform_get_drvdata(hw_pdev); + if (!master_dev) { + mtk_v4l2_err("Get hw id(%d) pdev fail", comp_idx); + return NULL; + } - spin_lock_irqsave(&dev->irqlock, flags); - dev->curr_ctx = ctx; - spin_unlock_irqrestore(&dev->irqlock, flags); + dev->comp_dev[master_dev->comp_idx] = master_dev; + return master_dev; +} +EXPORT_SYMBOL(mtk_vcodec_get_hw_dev); + +void mtk_vcodec_set_curr_ctx(struct mtk_vcodec_dev *vdec_dev, + struct mtk_vcodec_ctx *ctx, int comp_idx) +{ + unsigned long flags; + struct mtk_vdec_comp_dev *comp_dev; + + spin_lock_irqsave(&vdec_dev->irqlock, flags); + if (vdec_dev->is_support_comp) { + comp_dev = mtk_vcodec_get_hw_dev(vdec_dev, comp_idx); + if (!comp_dev) { + mtk_v4l2_err("Failed to get hw dev"); + spin_unlock_irqrestore(&vdec_dev->irqlock, flags); + return; + } + comp_dev->curr_ctx = ctx; + } else { + vdec_dev->curr_ctx = ctx; + } + spin_unlock_irqrestore(&vdec_dev->irqlock, flags); } EXPORT_SYMBOL(mtk_vcodec_set_curr_ctx); -struct mtk_vcodec_ctx *mtk_vcodec_get_curr_ctx(struct mtk_vcodec_dev *dev) +struct mtk_vcodec_ctx *mtk_vcodec_get_curr_ctx(struct mtk_vcodec_dev *vdec_dev, + unsigned int comp_idx) { unsigned long flags; struct mtk_vcodec_ctx *ctx; - - spin_lock_irqsave(&dev->irqlock, flags); - ctx = dev->curr_ctx; - spin_unlock_irqrestore(&dev->irqlock, flags); + struct mtk_vdec_comp_dev *comp_dev; + + spin_lock_irqsave(&vdec_dev->irqlock, flags); + if (vdec_dev->is_support_comp) { + comp_dev = mtk_vcodec_get_hw_dev(vdec_dev, comp_idx); + if (!comp_dev) { + mtk_v4l2_err("Failed to get hw dev"); + spin_unlock_irqrestore(&vdec_dev->irqlock, flags); + return NULL; + } + ctx = comp_dev->curr_ctx; + } else { + ctx = vdec_dev->curr_ctx; + } + spin_unlock_irqrestore(&vdec_dev->irqlock, flags); return ctx; } EXPORT_SYMBOL(mtk_vcodec_get_curr_ctx); diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.h index b999d7b84ed1..4cb0fc60c94f 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.h +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.h @@ -79,8 +79,10 @@ int mtk_vcodec_mem_alloc(struct mtk_vcodec_ctx *data, struct mtk_vcodec_mem *mem); void mtk_vcodec_mem_free(struct mtk_vcodec_ctx *data, struct mtk_vcodec_mem *mem); -void mtk_vcodec_set_curr_ctx(struct mtk_vcodec_dev *dev, - struct mtk_vcodec_ctx *ctx); -struct mtk_vcodec_ctx *mtk_vcodec_get_curr_ctx(struct mtk_vcodec_dev *dev); +void mtk_vcodec_set_curr_ctx(struct mtk_vcodec_dev *vdec_dev, + struct mtk_vcodec_ctx *ctx, int comp_idx); +struct mtk_vcodec_ctx *mtk_vcodec_get_curr_ctx(struct mtk_vcodec_dev *vdec_dev, + unsigned int comp_idx); +void *mtk_vcodec_get_hw_dev(struct mtk_vcodec_dev *dev, int comp_idx); #endif /* _MTK_VCODEC_UTIL_H_ */ diff --git a/drivers/media/platform/mtk-vcodec/vdec_drv_if.c b/drivers/media/platform/mtk-vcodec/vdec_drv_if.c index 42008243ceac..05a5b240e906 100644 --- a/drivers/media/platform/mtk-vcodec/vdec_drv_if.c +++ b/drivers/media/platform/mtk-vcodec/vdec_drv_if.c @@ -24,21 +24,24 @@ int vdec_if_init(struct mtk_vcodec_ctx *ctx, unsigned int fourcc) break; case V4L2_PIX_FMT_H264: ctx->dec_if = &vdec_h264_if; + ctx->hw_id = MTK_VDEC_CORE; break; case V4L2_PIX_FMT_VP8: ctx->dec_if = &vdec_vp8_if; + ctx->hw_id = MTK_VDEC_CORE; break; case V4L2_PIX_FMT_VP9: ctx->dec_if = &vdec_vp9_if; + ctx->hw_id = MTK_VDEC_CORE; break; default: return -EINVAL; } mtk_vdec_lock(ctx); - mtk_vcodec_dec_clock_on(&ctx->dev->pm); + mtk_vcodec_dec_clock_on(ctx->dev, ctx->hw_id); ret = ctx->dec_if->init(ctx); - mtk_vcodec_dec_clock_off(&ctx->dev->pm); + mtk_vcodec_dec_clock_off(ctx->dev, ctx->hw_id); mtk_vdec_unlock(ctx); return ret; @@ -69,13 +72,11 @@ int vdec_if_decode(struct mtk_vcodec_ctx *ctx, struct mtk_vcodec_mem *bs, mtk_vdec_lock(ctx); - mtk_vcodec_set_curr_ctx(ctx->dev, ctx); - mtk_vcodec_dec_clock_on(&ctx->dev->pm); - enable_irq(ctx->dev->dec_irq); + mtk_vcodec_set_curr_ctx(ctx->dev, ctx, ctx->hw_id); + mtk_vcodec_dec_clock_on(ctx->dev, ctx->hw_id); ret = ctx->dec_if->decode(ctx->drv_handle, bs, fb, res_chg); - disable_irq(ctx->dev->dec_irq); - mtk_vcodec_dec_clock_off(&ctx->dev->pm); - mtk_vcodec_set_curr_ctx(ctx->dev, NULL); + mtk_vcodec_dec_clock_off(ctx->dev, ctx->hw_id); + mtk_vcodec_set_curr_ctx(ctx->dev, NULL, ctx->hw_id); mtk_vdec_unlock(ctx); @@ -103,9 +104,9 @@ void vdec_if_deinit(struct mtk_vcodec_ctx *ctx) return; mtk_vdec_lock(ctx); - mtk_vcodec_dec_clock_on(&ctx->dev->pm); + mtk_vcodec_dec_clock_on(ctx->dev, ctx->hw_id); ctx->dec_if->deinit(ctx->drv_handle); - mtk_vcodec_dec_clock_off(&ctx->dev->pm); + mtk_vcodec_dec_clock_off(ctx->dev, ctx->hw_id); mtk_vdec_unlock(ctx); ctx->drv_handle = NULL;