From patchwork Sat Jul 17 08:12:25 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yunfei Dong X-Patchwork-Id: 479362 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, UNPARSEABLE_RELAY, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 670CBC636C9 for ; Sat, 17 Jul 2021 08:12:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 48E63613D8 for ; Sat, 17 Jul 2021 08:12:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232730AbhGQIPp (ORCPT ); Sat, 17 Jul 2021 04:15:45 -0400 Received: from mailgw01.mediatek.com ([60.244.123.138]:56350 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S232501AbhGQIPo (ORCPT ); Sat, 17 Jul 2021 04:15:44 -0400 X-UUID: 7ff4d27f9e1e4b788aae4230eb1d6e70-20210717 X-UUID: 7ff4d27f9e1e4b788aae4230eb1d6e70-20210717 Received: from mtkcas06.mediatek.inc [(172.21.101.30)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1634036852; Sat, 17 Jul 2021 16:12:45 +0800 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 16:12:43 +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 16:12:42 +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, 06/14] media: mtk-vcodec: Add irq interface for core hardware Date: Sat, 17 Jul 2021 16:12:25 +0800 Message-ID: <20210717081233.7809-7-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 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Adds irq interface for core hardware. Signed-off-by: Yunfei Dong --- v2: Using enum mtk_vdec_hw_count instead of magic numbers --- .../platform/mtk-vcodec/mtk_vcodec_dec_drv.c | 31 ++++++++++++++++-- .../platform/mtk-vcodec/mtk_vcodec_dec_hw.c | 11 ++++--- .../platform/mtk-vcodec/mtk_vcodec_drv.h | 19 +++++++++++ .../platform/mtk-vcodec/mtk_vcodec_intr.c | 32 ++++++++++++++++++- .../platform/mtk-vcodec/mtk_vcodec_intr.h | 4 ++- 5 files changed, 88 insertions(+), 9 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 e7f60e948fe8..d1c4124f6092 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c @@ -75,6 +75,20 @@ static void wake_up_ctx(struct mtk_vcodec_ctx *ctx) wake_up_interruptible(&ctx->queue); } +static int mtk_vcodec_get_hw_count(struct mtk_vcodec_dev *dev) +{ + switch (dev->vdec_pdata->hw_arch) { + case MTK_VDEC_PURE_SINGLE_CORE: + return MTK_VDEC_ONE_CORE; + case MTK_VDEC_LAT_SINGLE_CORE: + return MTK_VDEC_ONE_LAT_ONE_CORE; + default: + mtk_v4l2_err("not support hw arch:%d", + dev->vdec_pdata->hw_arch); + return MTK_VDEC_NO_HW; + } +} + static struct component_match *mtk_vcodec_match_add( struct mtk_vcodec_dev *vdec_dev) { @@ -246,7 +260,7 @@ static int fops_vcodec_open(struct file *file) { struct mtk_vcodec_dev *dev = video_drvdata(file); struct mtk_vcodec_ctx *ctx = NULL; - int ret = 0; + int ret = 0, i, hw_count; struct vb2_queue *src_vq; ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); @@ -260,7 +274,19 @@ static int fops_vcodec_open(struct file *file) v4l2_fh_add(&ctx->fh); INIT_LIST_HEAD(&ctx->list); ctx->dev = dev; - init_waitqueue_head(&ctx->queue); + + if (ctx->dev->is_support_comp) { + hw_count = mtk_vcodec_get_hw_count(dev); + if (!hw_count) { + ret = -EINVAL; + goto err_init_queue; + } + for (i = 0; i < hw_count; i++) + init_waitqueue_head(&ctx->core_queue[i]); + } else { + init_waitqueue_head(&ctx->queue); + } + mutex_init(&ctx->lock); ctx->type = MTK_INST_DECODER; @@ -317,6 +343,7 @@ static int fops_vcodec_open(struct file *file) err_m2m_ctx_init: v4l2_ctrl_handler_free(&ctx->ctrl_hdl); err_ctrls_setup: +err_init_queue: v4l2_fh_del(&ctx->fh); v4l2_fh_exit(&ctx->fh); kfree(ctx); 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 ea6d289d9773..34d51fe409c6 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_hw.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_hw.c @@ -59,11 +59,12 @@ static const struct component_ops mtk_vdec_hw_component_ops = { .unbind = mtk_vdec_comp_unbind, }; -/* Wake up context wait_queue */ -static void mtk_vdec_comp_wake_up_ctx(struct mtk_vcodec_ctx *ctx) +/* Wake up core context wait_queue */ +static void mtk_vdec_comp_wake_up_ctx(struct mtk_vcodec_ctx *ctx, + unsigned int hw_id) { - ctx->int_cond = 1; - wake_up_interruptible(&ctx->queue); + ctx->int_core_cond[hw_id] = 1; + wake_up_interruptible(&ctx->core_queue[hw_id]); } static irqreturn_t mtk_vdec_comp_irq_handler(int irq, void *priv) @@ -94,7 +95,7 @@ static irqreturn_t mtk_vdec_comp_irq_handler(int irq, void *priv) writel(readl(vdec_misc_addr) | VDEC_IRQ_CFG, vdec_misc_addr); writel(readl(vdec_misc_addr) & ~VDEC_IRQ_CLR, vdec_misc_addr); - mtk_vdec_comp_wake_up_ctx(ctx); + mtk_vdec_comp_wake_up_ctx(ctx, dev->comp_idx); mtk_v4l2_debug(3, "wake up ctx %d, dec_done_status=%x", ctx->id, dec_done_status); diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h index 9d05ee72b2a7..76160b6f4152 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h @@ -109,6 +109,16 @@ enum mtk_vdec_hw_id { MTK_VDEC_HW_MAX, }; +/** + * struct mtk_vdec_hw_count - Supported hardware count + */ +enum mtk_vdec_hw_count { + MTK_VDEC_NO_HW = 0, + MTK_VDEC_ONE_CORE, + MTK_VDEC_ONE_LAT_ONE_CORE, + MTK_VDEC_MAX_HW_COUNT, +}; + /* * struct mtk_video_fmt - Structure used to store information about pixelformats */ @@ -261,6 +271,11 @@ struct vdec_pic_info { * finish * @irq_status: irq status * + * @int_core_cond: variable used by the waitqueue for component arch + * @int_core_type: type of the last interrupt for component arch + * @core_queue: waitqueue that can be used to wait for this context to + * finish for component arch + * * @ctrl_hdl: handler for v4l2 framework * @decode_work: worker for the decoding * @encode_work: worker for the encoding @@ -303,6 +318,10 @@ struct mtk_vcodec_ctx { wait_queue_head_t queue; unsigned int irq_status; + int int_core_cond[MTK_VDEC_HW_MAX]; + int int_core_type[MTK_VDEC_HW_MAX]; + wait_queue_head_t core_queue[MTK_VDEC_HW_MAX]; + struct v4l2_ctrl_handler ctrl_hdl; struct work_struct decode_work; struct work_struct encode_work; diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_intr.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_intr.c index 70580c2525ba..306358d9bef0 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_intr.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_intr.c @@ -11,7 +11,7 @@ #include "mtk_vcodec_intr.h" #include "mtk_vcodec_util.h" -int mtk_vcodec_wait_for_done_ctx(struct mtk_vcodec_ctx *ctx, int command, +int mtk_vcodec_wait_for_done_ctx(struct mtk_vcodec_ctx *ctx, int command, unsigned int timeout_ms) { wait_queue_head_t *waitqueue; @@ -43,3 +43,33 @@ int mtk_vcodec_wait_for_done_ctx(struct mtk_vcodec_ctx *ctx, int command, return status; } EXPORT_SYMBOL(mtk_vcodec_wait_for_done_ctx); + +int mtk_vcodec_wait_for_comp_done_ctx(struct mtk_vcodec_ctx *ctx, + int command, unsigned int timeout_ms, unsigned hw_id) +{ + long timeout_jiff, ret; + int status = 0; + + timeout_jiff = msecs_to_jiffies(timeout_ms); + ret = wait_event_interruptible_timeout(ctx->core_queue[hw_id], + ctx->int_core_cond[hw_id], + timeout_jiff); + + if (!ret) { + status = -1; /* timeout */ + mtk_v4l2_err("[%d] cmd=%d, type=%d, dec timeout=%ums (%d %d)", + ctx->id, command, ctx->type, timeout_ms, + ctx->int_core_cond[hw_id], ctx->int_core_type[hw_id]); + } else if (-ERESTARTSYS == ret) { + status = -1; + mtk_v4l2_err("[%d] cmd=%d, type=%d, dec inter fail (%d %d)", + ctx->id, command, ctx->type, + ctx->int_core_cond[hw_id], ctx->int_core_type[hw_id]); + } + + ctx->int_core_cond[hw_id] = 0; + ctx->int_core_type[hw_id] = 0; + + return status; +} +EXPORT_SYMBOL(mtk_vcodec_wait_for_comp_done_ctx); diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_intr.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_intr.h index 638cd1f3526a..5ca611a1ddab 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_intr.h +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_intr.h @@ -12,7 +12,9 @@ struct mtk_vcodec_ctx; /* timeout is ms */ -int mtk_vcodec_wait_for_done_ctx(struct mtk_vcodec_ctx *data, int command, +int mtk_vcodec_wait_for_done_ctx(struct mtk_vcodec_ctx *ctx, int command, unsigned int timeout_ms); +int mtk_vcodec_wait_for_comp_done_ctx(struct mtk_vcodec_ctx *ctx, + int command, unsigned int timeout_ms, unsigned int hw_id); #endif /* _MTK_VCODEC_INTR_H_ */