From nobody Sun Sep 22 15:39:27 2024 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 95AC4C4332F for ; Fri, 29 Oct 2021 03:55:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 83D2661130 for ; Fri, 29 Oct 2021 03:55:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231855AbhJ2D6W (ORCPT ); Thu, 28 Oct 2021 23:58:22 -0400 Received: from mailgw02.mediatek.com ([210.61.82.184]:44238 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S231790AbhJ2D6L (ORCPT ); Thu, 28 Oct 2021 23:58:11 -0400 X-UUID: 8e5c622d176841c895ca30c25e36f140-20211029 X-UUID: 8e5c622d176841c895ca30c25e36f140-20211029 Received: from mtkexhb02.mediatek.inc [(172.21.101.103)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1007563293; Fri, 29 Oct 2021 11:55:40 +0800 Received: from mtkmbs10n2.mediatek.inc (172.21.101.183) by mtkmbs07n2.mediatek.inc (172.21.101.141) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 29 Oct 2021 11:55:39 +0800 Received: from localhost.localdomain (10.17.3.154) by mtkmbs10n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.3 via Frontend Transport; Fri, 29 Oct 2021 11:55:37 +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 , , , , , , , Subject: [PATCH v8, 06/17] media: mtk-vcodec: Manage multi hardware information Date: Fri, 29 Oct 2021 11:55:16 +0800 Message-ID: <20211029035527.454-7-yunfei.dong@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211029035527.454-1-yunfei.dong@mediatek.com> References: <20211029035527.454-1-yunfei.dong@mediatek.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Manage each hardware information which includes irq/power/clk. The hardware includes LAT0, LAT1 and CORE. Signed-off-by: Yunfei Dong --- v8: fix many comments --- drivers/media/platform/mtk-vcodec/Makefile | 5 +- .../platform/mtk-vcodec/mtk_vcodec_dec_drv.c | 119 +++++++++---- .../platform/mtk-vcodec/mtk_vcodec_dec_hw.c | 166 ++++++++++++++++++ .../platform/mtk-vcodec/mtk_vcodec_dec_hw.h | 51 ++++++ .../mtk-vcodec/mtk_vcodec_dec_stateful.c | 1 + .../mtk-vcodec/mtk_vcodec_dec_stateless.c | 2 + .../platform/mtk-vcodec/mtk_vcodec_drv.h | 23 +++ 7 files changed, 334 insertions(+), 33 deletions(-) create mode 100644 drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_hw.c create mode 100644 drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_hw.h diff --git a/drivers/media/platform/mtk-vcodec/Makefile b/drivers/media/pla= tform/mtk-vcodec/Makefile index 5d36e05535d7..95feb793c287 100644 --- a/drivers/media/platform/mtk-vcodec/Makefile +++ b/drivers/media/platform/mtk-vcodec/Makefile @@ -3,7 +3,8 @@ obj-$(CONFIG_VIDEO_MEDIATEK_VCODEC) +=3D mtk-vcodec-dec.o \ mtk-vcodec-enc.o \ mtk-vcodec-common.o \ - mtk-vcodec-dec-common.o + mtk-vcodec-dec-common.o \ + mtk-vcodec-dec-hw.o =20 mtk-vcodec-dec-y :=3D vdec/vdec_h264_if.o \ vdec/vdec_vp8_if.o \ @@ -16,6 +17,8 @@ mtk-vcodec-dec-y :=3D vdec/vdec_h264_if.o \ mtk_vcodec_dec_stateful.o \ mtk_vcodec_dec_stateless.o \ =20 +mtk-vcodec-dec-hw-y :=3D mtk_vcodec_dec_hw.o + mtk-vcodec-dec-common-y :=3D mtk_vcodec_dec_pm.o =20 mtk-vcodec-enc-y :=3D venc/venc_vp8_if.o \ diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c b/drive= rs/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c index b7a51e96d4ba..f29b8564045c 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c @@ -18,19 +18,49 @@ =20 #include "mtk_vcodec_drv.h" #include "mtk_vcodec_dec.h" +#include "mtk_vcodec_dec_hw.h" #include "mtk_vcodec_dec_pm.h" #include "mtk_vcodec_intr.h" -#include "mtk_vcodec_util.h" #include "mtk_vcodec_fw.h" =20 -#define VDEC_HW_ACTIVE 0x10 -#define VDEC_IRQ_CFG 0x11 -#define VDEC_IRQ_CLR 0x10 -#define VDEC_IRQ_CFG_REG 0xa4 - module_param(mtk_v4l2_dbg_level, int, 0644); module_param(mtk_vcodec_dbg, bool, 0644); =20 +static int mtk_vcodec_comp_device_check(struct mtk_vcodec_ctx *ctx) + { + struct mtk_vcodec_dev *vdec_dev =3D ctx->dev; + struct platform_device *pdev =3D vdec_dev->plat_dev; + struct device_node *comp_node; + enum mtk_vdec_hw_id comp_idx; + const struct of_device_id *of_id; + int i; + + for (i =3D 0; i < ARRAY_SIZE(mtk_vdec_hw_match); i++) { + of_id =3D &mtk_vdec_hw_match[i]; + comp_node =3D of_find_compatible_node(NULL, NULL, + of_id->compatible); + if (!comp_node) + continue; + + if (!of_device_is_available(comp_node)) { + of_node_put(comp_node); + dev_err(&pdev->dev, "Fail to get MMSYS node\n"); + continue; + } + + comp_idx =3D (enum mtk_vdec_hw_id)of_id->data; + vdec_dev->component_node[comp_idx] =3D comp_node; + + if (!test_bit(comp_idx, vdec_dev->hardware_bitmap)) { + dev_err(&pdev->dev, "Vdec comp_idx is not ready %d.", + comp_idx); + return -EINVAL; + } + } + + return 0; +} + static irqreturn_t mtk_vcodec_dec_irq_handler(int irq, void *priv) { struct mtk_vcodec_dev *dev =3D priv; @@ -95,6 +125,41 @@ static int mtk_vcodec_get_reg_bases(struct mtk_vcodec_d= ev *dev) return 0; } =20 +static int mtk_vcodec_init_dec_params(struct mtk_vcodec_dev *dev) +{ + struct platform_device *pdev =3D dev->plat_dev; + int ret; + + ret =3D mtk_vcodec_get_reg_bases(dev); + if (ret) + return ret; + + if (!dev->vdec_pdata->is_subdev_supported) { + dev->dec_irq =3D platform_get_irq(pdev, 0); + if (dev->dec_irq < 0) { + dev_err(&pdev->dev, "failed to get irq number"); + return dev->dec_irq; + } + + irq_set_status_flags(dev->dec_irq, IRQ_NOAUTOEN); + ret =3D devm_request_irq(&pdev->dev, dev->dec_irq, + mtk_vcodec_dec_irq_handler, 0, pdev->name, dev); + if (ret) { + dev_err(&pdev->dev, "failed to install dev->dec_irq %d (%d)", + dev->dec_irq, ret); + return ret; + } + + ret =3D mtk_vcodec_init_dec_pm(pdev, &dev->pm); + if (ret < 0) { + dev_err(&pdev->dev, "failed to get mt vcodec clock source"); + return ret; + } + } + + return 0; +} + static int fops_vcodec_open(struct file *file) { struct mtk_vcodec_dev *dev =3D video_drvdata(file); @@ -116,6 +181,12 @@ static int fops_vcodec_open(struct file *file) init_waitqueue_head(&ctx->queue); mutex_init(&ctx->lock); =20 + ret =3D mtk_vcodec_comp_device_check(ctx); + if (ret) { + mtk_v4l2_err("Failed to check vdec comp device."); + goto err_ctrls_setup; + } + ctx->type =3D MTK_INST_DECODER; ret =3D dev->vdec_pdata->ctrls_setup(ctx); if (ret) { @@ -220,7 +291,6 @@ static int mtk_vcodec_probe(struct platform_device *pde= v) { struct mtk_vcodec_dev *dev; struct video_device *vfd_dec; - struct resource *res; phandle rproc_phandle; enum mtk_vcodec_fw_type fw_type; int ret; @@ -249,32 +319,10 @@ static int mtk_vcodec_probe(struct platform_device *p= dev) if (IS_ERR(dev->fw_handler)) return PTR_ERR(dev->fw_handler); =20 - ret =3D mtk_vcodec_init_dec_pm(dev->plat_dev, &dev->pm); - if (ret < 0) { - dev_err(&pdev->dev, "Failed to get mt vcodec clock source"); - goto err_dec_pm; - } - - ret =3D mtk_vcodec_get_reg_bases(dev); - if (ret) - goto err_res; - - res =3D platform_get_resource(pdev, IORESOURCE_IRQ, 0); - if (res =3D=3D NULL) { - dev_err(&pdev->dev, "failed to get irq resource"); - ret =3D -ENOENT; - goto err_res; - } - - dev->dec_irq =3D platform_get_irq(pdev, 0); - irq_set_status_flags(dev->dec_irq, IRQ_NOAUTOEN); - ret =3D devm_request_irq(&pdev->dev, dev->dec_irq, - mtk_vcodec_dec_irq_handler, 0, pdev->name, dev); + ret =3D mtk_vcodec_init_dec_params(dev); if (ret) { - dev_err(&pdev->dev, "Failed to install dev->dec_irq %d (%d)", - dev->dec_irq, - ret); - goto err_res; + dev_err(&pdev->dev, "Failed to init pm and registers"); + goto err_dec_pm; } =20 mutex_init(&dev->dec_mutex); @@ -329,6 +377,13 @@ static int mtk_vcodec_probe(struct platform_device *pd= ev) goto err_event_workq; } =20 + ret =3D of_platform_populate(pdev->dev.of_node, NULL, NULL, + &pdev->dev); + if (ret) { + mtk_v4l2_err("Master device of_platform_populate failed."); + goto err_event_workq; + } + if (dev->vdec_pdata->uses_stateless_api) { dev->mdev_dec.dev =3D &pdev->dev; strscpy(dev->mdev_dec.model, MTK_VCODEC_DEC_NAME, diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_hw.c b/driver= s/media/platform/mtk-vcodec/mtk_vcodec_dec_hw.c new file mode 100644 index 000000000000..b34e4996facb --- /dev/null +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_hw.c @@ -0,0 +1,166 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2021 MediaTek Inc. + * Author: Yunfei Dong + */ + +#include +#include +#include +#include +#include +#include + +#include "mtk_vcodec_drv.h" +#include "mtk_vcodec_dec.h" +#include "mtk_vcodec_dec_hw.h" +#include "mtk_vcodec_dec_pm.h" +#include "mtk_vcodec_intr.h" +#include "mtk_vcodec_util.h" + +const struct of_device_id mtk_vdec_hw_match[] =3D { + { + .compatible =3D "mediatek,mtk-vcodec-lat", + .data =3D (void *)MTK_VDEC_LAT0, + }, + { + .compatible =3D "mediatek,mtk-vcodec-core", + .data =3D (void *)MTK_VDEC_CORE, + }, + {}, +}; +EXPORT_SYMBOL_GPL(mtk_vdec_hw_match); + +MODULE_DEVICE_TABLE(of, mtk_vdec_hw_match); + +static irqreturn_t mtk_vdec_hw_irq_handler(int irq, void *priv) +{ + struct mtk_vdec_hw_dev *dev =3D priv; + struct mtk_vcodec_ctx *ctx; + u32 cg_status; + unsigned int dec_done_status; + void __iomem *vdec_misc_addr =3D dev->reg_base[VDEC_COMP_MISC] + + VDEC_IRQ_CFG_REG; + + ctx =3D mtk_vcodec_get_curr_ctx(dev->master_dev); + + /* check if HW active or not */ + cg_status =3D readl(dev->reg_base[VDEC_COMP_SYS]); + if (cg_status & VDEC_HW_ACTIVE) { + mtk_v4l2_err("vdec active is not 0x0 (0x%08x)", + cg_status); + return IRQ_HANDLED; + } + + dec_done_status =3D readl(vdec_misc_addr); + if ((dec_done_status & MTK_VDEC_IRQ_STATUS_DEC_SUCCESS) !=3D + MTK_VDEC_IRQ_STATUS_DEC_SUCCESS) + return IRQ_HANDLED; + + /* clear interrupt */ + writel(dec_done_status | VDEC_IRQ_CFG, vdec_misc_addr); + writel(dec_done_status & ~VDEC_IRQ_CLR, vdec_misc_addr); + + wake_up_ctx(ctx, MTK_INST_IRQ_RECEIVED); + + mtk_v4l2_debug(3, "wake up ctx %d, dec_done_status=3D%x", + ctx->id, dec_done_status); + + return IRQ_HANDLED; +} + +static int mtk_vdec_hw_init_irq(struct mtk_vdec_hw_dev *dev) +{ + struct platform_device *pdev =3D dev->plat_dev; + int ret; + + dev->dec_irq =3D platform_get_irq(pdev, 0); + if (dev->dec_irq < 0) { + dev_err(&pdev->dev, "Failed to get irq resource"); + return dev->dec_irq; + } + + irq_set_status_flags(dev->dec_irq, IRQ_NOAUTOEN); + ret =3D devm_request_irq(&pdev->dev, dev->dec_irq, + mtk_vdec_hw_irq_handler, 0, pdev->name, dev); + if (ret) { + dev_err(&pdev->dev, "Failed to install dev->dec_irq %d (%d)", + dev->dec_irq, ret); + return ret; + } + + return 0; +} + +static int mtk_vdec_hw_probe(struct platform_device *pdev) +{ + struct device *dev =3D &pdev->dev; + struct mtk_vdec_hw_dev *comp_dev; + struct mtk_vcodec_dev *master_dev; + const struct of_device_id *of_id; + int comp_idx; + int ret; + + if (!dev->parent) + return -EPROBE_DEFER; + + master_dev =3D dev_get_drvdata(dev->parent); + if (!master_dev) + return -EPROBE_DEFER; + + comp_dev =3D devm_kzalloc(dev, sizeof(*comp_dev), GFP_KERNEL); + if (!comp_dev) + return -ENOMEM; + + comp_dev->plat_dev =3D pdev; + ret =3D mtk_vcodec_init_dec_pm(pdev, &comp_dev->pm); + if (ret) + return ret; + + comp_dev->reg_base[VDEC_COMP_MISC] =3D + devm_platform_ioremap_resource_byname(pdev, "misc"); + if (IS_ERR((__force void *)comp_dev->reg_base[VDEC_COMP_MISC])) { + ret =3D PTR_ERR((__force void *)comp_dev->reg_base[VDEC_COMP_MISC]); + goto err; + } + + ret =3D mtk_vdec_hw_init_irq(comp_dev); + if (ret) + goto err; + + of_id =3D of_match_device(mtk_vdec_hw_match, dev); + if (!of_id) { + dev_err(dev, "Can't get vdec comp device id.\n"); + ret =3D -EINVAL; + goto err; + } + + comp_idx =3D (enum mtk_vdec_hw_id)of_id->data; + if (comp_idx < MTK_VDEC_HW_MAX) { + master_dev->comp_dev[comp_idx] =3D comp_dev; + comp_dev->comp_idx =3D comp_idx; + comp_dev->master_dev =3D master_dev; + comp_dev->reg_base[VDEC_COMP_SYS] =3D + master_dev->reg_base[VDEC_COMP_SYS]; + set_bit(comp_dev->comp_idx, master_dev->hardware_bitmap); + } + + platform_set_drvdata(pdev, comp_dev); + return 0; +err: + mtk_vcodec_release_dec_pm(&comp_dev->pm); + return ret; +} + +static struct platform_driver mtk_vdec_driver =3D { + .probe =3D mtk_vdec_hw_probe, + .driver =3D { + .name =3D "mtk-vdec-comp", + .of_match_table =3D mtk_vdec_hw_match, + }, +}; + +module_platform_driver(mtk_vdec_driver); + +MODULE_LICENSE("GPL v2"); +MODULE_DESCRIPTION("Mediatek video decoder hardware driver"); diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_hw.h b/driver= s/media/platform/mtk-vcodec/mtk_vcodec_dec_hw.h new file mode 100644 index 000000000000..7adebe95ed44 --- /dev/null +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_hw.h @@ -0,0 +1,51 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2021 MediaTek Inc. + * Author: Yunfei Dong + */ + +#ifndef _MTK_VCODEC_DEC_HW_H_ +#define _MTK_VCODEC_DEC_HW_H_ + +#include +#include + +#include "mtk_vcodec_drv.h" + +#define VDEC_HW_ACTIVE 0x10 +#define VDEC_IRQ_CFG 0x11 +#define VDEC_IRQ_CLR 0x10 +#define VDEC_IRQ_CFG_REG 0xa4 + +extern const struct of_device_id mtk_vdec_hw_match[MTK_VDEC_HW_MAX]; + +/** + * enum mtk_comp_hw_reg_idx - component register base index + */ +enum mtk_comp_hw_reg_idx { + VDEC_COMP_SYS, + VDEC_COMP_MISC, + VDEC_COMP_MAX +}; + +/** + * struct mtk_vdec_hw_dev - vdec hardware driver data + * @plat_dev: platform device + * @master_dev: master device + * @reg_base: Mapped address of MTK Vcodec registers. + * + * @dec_irq: decoder irq resource + * @pm: power management control + * @comp_idx: each hardware index + */ +struct mtk_vdec_hw_dev { + struct platform_device *plat_dev; + struct mtk_vcodec_dev *master_dev; + void __iomem *reg_base[VDEC_COMP_MAX]; + + int dec_irq; + struct mtk_vcodec_pm pm; + int comp_idx; +}; + +#endif /* _MTK_VCODEC_DEC_HW_H_ */ diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_stateful.c b/= drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_stateful.c index bef49244e61b..c7f9259ad094 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_stateful.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_stateful.c @@ -625,4 +625,5 @@ const struct mtk_vcodec_dec_pdata mtk_vdec_8173_pdata = =3D { .num_framesizes =3D NUM_SUPPORTED_FRAMESIZE, .worker =3D mtk_vdec_worker, .flush_decoder =3D mtk_vdec_flush_decoder, + .is_subdev_supported =3D false, }; diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_stateless.c b= /drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_stateless.c index 26e4d6f4ec04..2d285515b625 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_stateless.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_stateless.c @@ -357,6 +357,7 @@ const struct mtk_vcodec_dec_pdata mtk_vdec_8183_pdata = =3D { .uses_stateless_api =3D true, .worker =3D mtk_vdec_worker, .flush_decoder =3D mtk_vdec_flush_decoder, + .is_subdev_supported =3D false, }; =20 const struct mtk_vcodec_dec_pdata mtk_lat_sig_core_pdata =3D { @@ -373,4 +374,5 @@ const struct mtk_vcodec_dec_pdata mtk_lat_sig_core_pdat= a =3D { .uses_stateless_api =3D true, .worker =3D mtk_vdec_worker, .flush_decoder =3D mtk_vdec_flush_decoder, + .is_subdev_supported =3D true, }; diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h b/drivers/m= edia/platform/mtk-vcodec/mtk_vcodec_drv.h index 0fa9d85114b9..0457ebd8ac18 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h @@ -93,6 +93,17 @@ enum mtk_fmt_type { MTK_FMT_FRAME =3D 2, }; =20 +/** + * struct mtk_vdec_hw_id - Hardware index used to separate + * different hardware + */ +enum mtk_vdec_hw_id { + MTK_VDEC_CORE, + MTK_VDEC_LAT0, + MTK_VDEC_LAT1, + MTK_VDEC_HW_MAX, +}; + /* * struct mtk_video_fmt - Structure used to store information about pixelf= ormats */ @@ -332,6 +343,7 @@ enum mtk_chip { * * @chip: chip this decoder is compatible with * + * @is_subdev_supported: whether support parent-node architecture(subdev) * @uses_stateless_api: whether the decoder uses the stateless API with re= quests */ =20 @@ -353,6 +365,7 @@ struct mtk_vcodec_dec_pdata { =20 enum mtk_chip chip; =20 + bool is_subdev_supported; bool uses_stateless_api; }; =20 @@ -423,6 +436,11 @@ struct mtk_vcodec_enc_pdata { * @pm: power management control * @dec_capability: used to identify decode capability, ex: 4k * @enc_capability: used to identify encode capability + * + * @comp_dev: component hardware device + * @component_node: component node + * + * @hardware_bitmap: used to record hardware is ready or not */ struct mtk_vcodec_dev { struct v4l2_device v4l2_dev; @@ -460,6 +478,11 @@ struct mtk_vcodec_dev { struct mtk_vcodec_pm pm; unsigned int dec_capability; unsigned int enc_capability; + + void *comp_dev[MTK_VDEC_HW_MAX]; + struct device_node *component_node[MTK_VDEC_HW_MAX]; + + DECLARE_BITMAP(hardware_bitmap, MTK_VDEC_HW_MAX); }; =20 static inline struct mtk_vcodec_ctx *fh_to_ctx(struct v4l2_fh *fh) --=20 2.25.1