From patchwork Thu Dec 16 08:57:37 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yunfei Dong X-Patchwork-Id: 525696 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 E5E93C433FE for ; Thu, 16 Dec 2021 08:58:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235361AbhLPI61 (ORCPT ); Thu, 16 Dec 2021 03:58:27 -0500 Received: from mailgw02.mediatek.com ([210.61.82.184]:39946 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S232611AbhLPI6J (ORCPT ); Thu, 16 Dec 2021 03:58:09 -0500 X-UUID: 992b12b1939344549f2edda656a8e446-20211216 X-UUID: 992b12b1939344549f2edda656a8e446-20211216 Received: from mtkexhb01.mediatek.inc [(172.21.101.102)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 7103708; Thu, 16 Dec 2021 16:58:04 +0800 Received: from mtkcas10.mediatek.inc (172.21.101.39) by mtkmbs07n1.mediatek.inc (172.21.101.16) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 16 Dec 2021 16:58:02 +0800 Received: from mhfsdcap04.gcn.mediatek.inc (10.17.3.154) by mtkcas10.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 16 Dec 2021 16:58:01 +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 , Dafna Hirschfeld , Benjamin Gaignard , Daniel Vetter , dri-devel , Irui Wang , AngeloGioacchino Del Regno , Steve Cho , , , , , , , Subject: [PATCH v15, 11/19] media: mtk-vcodec: Generalize power and clock on/off interfaces Date: Thu, 16 Dec 2021 16:57:37 +0800 Message-ID: <20211216085745.18732-12-yunfei.dong@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211216085745.18732-1-yunfei.dong@mediatek.com> References: <20211216085745.18732-1-yunfei.dong@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Generalizes power and clock on/off interfaces to support different hardware. Reviewed-by: AngeloGioacchino Del Regno Signed-off-by: Yunfei Dong --- .../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 | 59 +++++++++++--- .../platform/mtk-vcodec/mtk_vcodec_util.h | 8 +- .../media/platform/mtk-vcodec/vdec_drv_if.c | 21 ++--- 9 files changed, 146 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 9802e5cc535f..64359cf692f5 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c @@ -46,7 +46,7 @@ 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]); @@ -193,7 +193,7 @@ 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; /* @@ -253,7 +253,7 @@ 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 b149c3058995..643cee119b60 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_hw.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_hw.c @@ -65,7 +65,7 @@ static irqreturn_t mtk_vdec_hw_irq_handler(int irq, void *priv) void __iomem *vdec_misc_addr = dev->reg_base[VDEC_HW_MISC] + VDEC_IRQ_CFG_REG; - ctx = mtk_vcodec_get_curr_ctx(dev->main_dev); + ctx = mtk_vcodec_get_curr_ctx(dev->main_dev, dev->hw_idx); /* check if HW active or not */ cg_status = readl(dev->reg_base[VDEC_HW_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 0db0c8c310da..c0cd0cdab9ee 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_hw.h +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_hw.h @@ -32,6 +32,8 @@ enum mtk_vdec_hw_reg_idx { * @main_dev: main device * @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 * @hw_idx: each hardware index @@ -41,6 +43,8 @@ struct mtk_vdec_hw_dev { struct mtk_vcodec_dev *main_dev; void __iomem *reg_base[VDEC_HW_MAX]; + struct mtk_vcodec_ctx *curr_ctx; + int dec_irq; struct mtk_vcodec_pm pm; int hw_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 221cf60e9fbf..4cf03d38d141 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" @@ -86,10 +88,23 @@ void mtk_vcodec_release_dec_pm(struct mtk_vcodec_pm *pm) } EXPORT_SYMBOL_GPL(mtk_vcodec_release_dec_pm); -int mtk_vcodec_dec_pw_on(struct mtk_vcodec_pm *pm) +int mtk_vcodec_dec_pw_on(struct mtk_vcodec_dev *vdec_dev, int hw_idx) { + struct mtk_vdec_hw_dev *subdev_dev; + struct mtk_vcodec_pm *pm; int ret; + if (vdec_dev->vdec_pdata->is_subdev_supported) { + subdev_dev = mtk_vcodec_get_hw_dev(vdec_dev, hw_idx); + if (!subdev_dev) { + mtk_v4l2_err("Failed to get hw dev\n"); + return -EINVAL; + } + pm = &subdev_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); @@ -98,21 +113,50 @@ int mtk_vcodec_dec_pw_on(struct mtk_vcodec_pm *pm) } EXPORT_SYMBOL_GPL(mtk_vcodec_dec_pw_on); -void mtk_vcodec_dec_pw_off(struct mtk_vcodec_pm *pm) +void mtk_vcodec_dec_pw_off(struct mtk_vcodec_dev *vdec_dev, int hw_idx) { + struct mtk_vdec_hw_dev *subdev_dev; + struct mtk_vcodec_pm *pm; int ret; + if (vdec_dev->vdec_pdata->is_subdev_supported) { + subdev_dev = mtk_vcodec_get_hw_dev(vdec_dev, hw_idx); + if (!subdev_dev) { + mtk_v4l2_err("Failed to get hw dev\n"); + return; + } + pm = &subdev_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); } EXPORT_SYMBOL_GPL(mtk_vcodec_dec_pw_off); -void mtk_vcodec_dec_clock_on(struct mtk_vcodec_pm *pm) +void mtk_vcodec_dec_clock_on(struct mtk_vcodec_dev *vdec_dev, int hw_idx) { - struct mtk_vcodec_clk *dec_clk = &pm->vdec_clk; - int ret, i = 0; + struct mtk_vdec_hw_dev *subdev_dev; + struct mtk_vcodec_pm *pm; + struct mtk_vcodec_clk *dec_clk; + int ret, i; + + if (vdec_dev->vdec_pdata->is_subdev_supported) { + subdev_dev = mtk_vcodec_get_hw_dev(vdec_dev, hw_idx); + if (!subdev_dev) { + mtk_v4l2_err("Failed to get hw dev\n"); + return; + } + pm = &subdev_dev->pm; + enable_irq(subdev_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) { @@ -135,11 +179,27 @@ void mtk_vcodec_dec_clock_on(struct mtk_vcodec_pm *pm) } EXPORT_SYMBOL_GPL(mtk_vcodec_dec_clock_on); -void mtk_vcodec_dec_clock_off(struct mtk_vcodec_pm *pm) +void mtk_vcodec_dec_clock_off(struct mtk_vcodec_dev *vdec_dev, int hw_idx) { - struct mtk_vcodec_clk *dec_clk = &pm->vdec_clk; - int i = 0; + struct mtk_vdec_hw_dev *subdev_dev; + struct mtk_vcodec_pm *pm; + struct mtk_vcodec_clk *dec_clk; + int i; + if (vdec_dev->vdec_pdata->is_subdev_supported) { + subdev_dev = mtk_vcodec_get_hw_dev(vdec_dev, hw_idx); + if (!subdev_dev) { + mtk_v4l2_err("Failed to get hw dev\n"); + return; + } + pm = &subdev_dev->pm; + disable_irq(subdev_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..6ae29fea4e7f 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 hw_idx); +void mtk_vcodec_dec_pw_off(struct mtk_vcodec_dev *vdec_dev, int hw_idx); +void mtk_vcodec_dec_clock_on(struct mtk_vcodec_dev *vdec_dev, int hw_idx); +void mtk_vcodec_dec_clock_off(struct mtk_vcodec_dev *vdec_dev, int hw_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 cbd602b7ecbb..adc5998ed424 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h @@ -284,6 +284,7 @@ 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. */ @@ -328,6 +329,7 @@ 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 5bac820a47fc..5f42748714a5 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" @@ -71,25 +74,59 @@ 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 hw_idx) { - unsigned long flags; + if (hw_idx >= MTK_VDEC_HW_MAX || hw_idx < 0 || !dev->subdev_dev[hw_idx]) { + mtk_v4l2_err("hw idx is out of range:%d", hw_idx); + return NULL; + } + + return dev->subdev_dev[hw_idx]; +} +EXPORT_SYMBOL(mtk_vcodec_get_hw_dev); - spin_lock_irqsave(&dev->irqlock, flags); - dev->curr_ctx = ctx; - spin_unlock_irqrestore(&dev->irqlock, flags); +void mtk_vcodec_set_curr_ctx(struct mtk_vcodec_dev *vdec_dev, + struct mtk_vcodec_ctx *ctx, int hw_idx) +{ + unsigned long flags; + struct mtk_vdec_hw_dev *subdev_dev; + + spin_lock_irqsave(&vdec_dev->irqlock, flags); + if (vdec_dev->vdec_pdata->is_subdev_supported) { + subdev_dev = mtk_vcodec_get_hw_dev(vdec_dev, hw_idx); + if (!subdev_dev) { + mtk_v4l2_err("Failed to get hw dev"); + spin_unlock_irqrestore(&vdec_dev->irqlock, flags); + return; + } + subdev_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 hw_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_hw_dev *subdev_dev; + + spin_lock_irqsave(&vdec_dev->irqlock, flags); + if (vdec_dev->vdec_pdata->is_subdev_supported) { + subdev_dev = mtk_vcodec_get_hw_dev(vdec_dev, hw_idx); + if (!subdev_dev) { + mtk_v4l2_err("Failed to get hw dev"); + spin_unlock_irqrestore(&vdec_dev->irqlock, flags); + return NULL; + } + ctx = subdev_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 87c3d6d4bfa7..c245321f8dcb 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.h +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.h @@ -54,8 +54,10 @@ 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 hw_idx); +struct mtk_vcodec_ctx *mtk_vcodec_get_curr_ctx(struct mtk_vcodec_dev *vdec_dev, + unsigned int hw_idx); +void *mtk_vcodec_get_hw_dev(struct mtk_vcodec_dev *dev, int hw_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;