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    Subject[PATCH v2, 03/14] media: mtk-vcodec: Use component framework to manage each hardware information
    Date
    Uses component framework to manage each hardware information which
    includes irq/power/clk. The hardware includes LAT0, LAT1 and CORE.

    Signed-off-by: Yunfei Dong <yunfei.dong@mediatek.com>
    ---
    v2: fix coding style and remove useless header files
    ---
    drivers/media/platform/mtk-vcodec/Makefile | 1 +
    .../platform/mtk-vcodec/mtk_vcodec_dec.h | 1 +
    .../platform/mtk-vcodec/mtk_vcodec_dec_drv.c | 220 +++++++++++++++---
    .../platform/mtk-vcodec/mtk_vcodec_dec_hw.c | 193 +++++++++++++++
    .../platform/mtk-vcodec/mtk_vcodec_dec_hw.h | 46 ++++
    .../platform/mtk-vcodec/mtk_vcodec_drv.h | 26 +++
    6 files changed, 452 insertions(+), 35 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/platform/mtk-vcodec/Makefile
    index ca8e9e7a9c4e..edeb3b66e9e9 100644
    --- a/drivers/media/platform/mtk-vcodec/Makefile
    +++ b/drivers/media/platform/mtk-vcodec/Makefile
    @@ -15,6 +15,7 @@ mtk-vcodec-dec-y := vdec/vdec_h264_if.o \
    mtk_vcodec_dec_stateful.o \
    mtk_vcodec_dec_stateless.o \
    mtk_vcodec_dec_pm.o \
    + mtk_vcodec_dec_hw.o \

    mtk-vcodec-enc-y := venc/venc_vp8_if.o \
    venc/venc_h264_if.o \
    diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.h
    index 9fbd24186c1a..c509224cbff4 100644
    --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.h
    +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.h
    @@ -66,6 +66,7 @@ extern const struct v4l2_ioctl_ops mtk_vdec_ioctl_ops;
    extern const struct v4l2_m2m_ops mtk_vdec_m2m_ops;
    extern const struct media_device_ops mtk_vcodec_media_ops;

    +extern struct platform_driver mtk_vdec_comp_driver;

    /*
    * mtk_vdec_lock/mtk_vdec_unlock are for ctx instance to
    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 8d7ba881ef75..e7f60e948fe8 100644
    --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c
    +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c
    @@ -5,6 +5,7 @@
    * Tiffany Lin <tiffany.lin@mediatek.com>
    */

    +#include <linux/component.h>
    #include <linux/slab.h>
    #include <linux/interrupt.h>
    #include <linux/irq.h>
    @@ -23,14 +24,50 @@
    #include "mtk_vcodec_util.h"
    #include "mtk_vcodec_fw.h"

    -#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);

    +static struct of_device_id mtk_vdec_drv_ids[] = {
    + {
    + .compatible = "mediatek,mtk-vcodec-lat",
    + .data = (void *)MTK_VDEC_LAT0,
    + },
    + {
    + .compatible = "mediatek,mtk-vcodec-core",
    + .data = (void *)MTK_VDEC_CORE,
    + },
    + {},
    +};
    +
    +static inline int mtk_vdec_compare_of(struct device *dev, void *data)
    +{
    + return dev->of_node == data;
    +}
    +
    +static inline void mtk_vdec_release_of(struct device *dev, void *data)
    +{
    + of_node_put(data);
    +}
    +
    +static inline int mtk_vdec_bind(struct device *dev)
    +{
    + struct mtk_vcodec_dev *data = dev_get_drvdata(dev);
    +
    + return component_bind_all(dev, data);
    +}
    +
    +static inline void mtk_vdec_unbind(struct device *dev)
    +{
    + struct mtk_vcodec_dev *data = dev_get_drvdata(dev);
    +
    + component_unbind_all(dev, data);
    +}
    +
    +static const struct component_master_ops mtk_vdec_ops = {
    + .bind = mtk_vdec_bind,
    + .unbind = mtk_vdec_unbind,
    +};
    +
    /* Wake up context wait_queue */
    static void wake_up_ctx(struct mtk_vcodec_ctx *ctx)
    {
    @@ -38,6 +75,48 @@ static void wake_up_ctx(struct mtk_vcodec_ctx *ctx)
    wake_up_interruptible(&ctx->queue);
    }

    +static struct component_match *mtk_vcodec_match_add(
    + struct mtk_vcodec_dev *vdec_dev)
    +{
    + struct platform_device *pdev = vdec_dev->plat_dev;
    + struct component_match *match = NULL;
    + int i;
    +
    + for (i = 0; i < ARRAY_SIZE(mtk_vdec_drv_ids); i++) {
    + struct device_node *comp_node;
    + enum mtk_vdec_hw_id comp_idx;
    + const struct of_device_id *of_id;
    +
    + comp_node = of_find_compatible_node(NULL, NULL,
    + mtk_vdec_drv_ids[i].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;
    + }
    +
    + of_node_put(comp_node);
    + of_id = of_match_node(mtk_vdec_drv_ids, comp_node);
    + if (!of_id) {
    + dev_err(&pdev->dev, "Failed to get match node\n");
    + return ERR_PTR(-EINVAL);
    + }
    +
    + comp_idx = (enum mtk_vdec_hw_id)of_id->data;
    + mtk_v4l2_debug(4, "Get component:hw_id(%d),vdec_dev(0x%p),comp_node(0x%p)\n",
    + comp_idx, vdec_dev, comp_node);
    + vdec_dev->component_node[comp_idx] = comp_node;
    +
    + component_match_add_release(&pdev->dev, &match, mtk_vdec_release_of,
    + mtk_vdec_compare_of, comp_node);
    + }
    +
    + return match;
    +}
    +
    static irqreturn_t mtk_vcodec_dec_irq_handler(int irq, void *priv)
    {
    struct mtk_vcodec_dev *dev = priv;
    @@ -103,6 +182,66 @@ static int mtk_vcodec_get_reg_bases(struct mtk_vcodec_dev *dev)
    return ret;
    }

    +static int mtk_vcodec_init_master(struct mtk_vcodec_dev *dev)
    +{
    + struct platform_device *pdev = dev->plat_dev;
    + struct component_match *match;
    + int ret;
    +
    + match = mtk_vcodec_match_add(dev);
    + if (IS_ERR_OR_NULL(match))
    + return -EINVAL;
    +
    + platform_set_drvdata(pdev, dev);
    + ret = component_master_add_with_match(&pdev->dev, &mtk_vdec_ops, match);
    + if (ret < 0)
    + return ret;
    +
    + return 0;
    +}
    +
    +static int mtk_vcodec_init_dec_params(struct mtk_vcodec_dev *dev)
    +{
    + struct platform_device *pdev = dev->plat_dev;
    + struct resource *res;
    + int ret;
    +
    + if (!dev->is_support_comp) {
    + res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
    + if (!res) {
    + dev_err(&pdev->dev, "failed to get irq resource");
    + return -ENOENT;
    + }
    +
    + dev->dec_irq = platform_get_irq(dev->plat_dev, 0);
    + if (dev->dec_irq < 0) {
    + dev_err(&pdev->dev, "failed to get irq number");
    + return -EINVAL;
    + }
    +
    + irq_set_status_flags(dev->dec_irq, IRQ_NOAUTOEN);
    + ret = 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 = mtk_vcodec_init_dec_pm(dev->plat_dev, &dev->pm);
    + if (ret < 0) {
    + dev_err(&pdev->dev, "failed to get mt vcodec clock source");
    + return ret;
    + }
    + }
    +
    + ret = mtk_vcodec_get_reg_bases(dev);
    + if (ret && !dev->is_support_comp)
    + mtk_vcodec_release_dec_pm(&dev->pm);
    +
    + return ret;
    +}
    +
    static int fops_vcodec_open(struct file *file)
    {
    struct mtk_vcodec_dev *dev = video_drvdata(file);
    @@ -228,9 +367,9 @@ static int mtk_vcodec_probe(struct platform_device *pdev)
    {
    struct mtk_vcodec_dev *dev;
    struct video_device *vfd_dec;
    - struct resource *res;
    phandle rproc_phandle;
    enum mtk_vcodec_fw_type fw_type;
    + struct device_node *comp_node;
    int ret;

    dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL);
    @@ -257,31 +396,17 @@ static int mtk_vcodec_probe(struct platform_device *pdev)
    if (IS_ERR(dev->fw_handler))
    return PTR_ERR(dev->fw_handler);

    - ret = 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 = mtk_vcodec_get_reg_bases(dev);
    - if (ret)
    - goto err_res;
    + comp_node =
    + of_find_compatible_node(NULL, NULL, "mediatek,mtk-vcodec-core");
    + if (!comp_node)
    + dev->is_support_comp = false;
    + else
    + dev->is_support_comp = true;
    + of_node_put(comp_node);

    - res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
    - if (res == NULL) {
    - dev_err(&pdev->dev, "failed to get irq resource");
    - ret = -ENOENT;
    - goto err_res;
    - }
    -
    - dev->dec_irq = platform_get_irq(pdev, 0);
    - irq_set_status_flags(dev->dec_irq, IRQ_NOAUTOEN);
    - ret = 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);
    + if (mtk_vcodec_init_dec_params(dev)) {
    + dev_err(&pdev->dev, "Failed to init pm and registers");
    + ret = -EINVAL;
    goto err_res;
    }

    @@ -319,7 +444,6 @@ static int mtk_vcodec_probe(struct platform_device *pdev)
    MTK_VCODEC_DEC_NAME);
    video_set_drvdata(vfd_dec, dev);
    dev->vfd_dec = vfd_dec;
    - platform_set_drvdata(pdev, dev);

    dev->m2m_dev_dec = v4l2_m2m_init(&mtk_vdec_m2m_ops);
    if (IS_ERR((__force void *)dev->m2m_dev_dec)) {
    @@ -370,8 +494,17 @@ static int mtk_vcodec_probe(struct platform_device *pdev)
    mtk_v4l2_debug(0, "decoder registered as /dev/video%d",
    vfd_dec->num);

    - return 0;
    + if (dev->is_support_comp) {
    + ret = mtk_vcodec_init_master(dev);
    + if (ret < 0)
    + goto err_component_match;
    + } else {
    + platform_set_drvdata(pdev, dev);
    + }

    + return 0;
    +err_component_match:
    + video_unregister_device(vfd_dec);
    err_dec_reg:
    if (dev->vdec_pdata->uses_stateless_api)
    media_device_unregister(&dev->mdev_dec);
    @@ -387,9 +520,8 @@ static int mtk_vcodec_probe(struct platform_device *pdev)
    err_dec_alloc:
    v4l2_device_unregister(&dev->v4l2_dev);
    err_res:
    - mtk_vcodec_release_dec_pm(&dev->pm);
    -err_dec_pm:
    mtk_vcodec_fw_release(dev->fw_handler);
    +
    return ret;
    }

    @@ -444,7 +576,25 @@ static struct platform_driver mtk_vcodec_dec_driver = {
    },
    };

    -module_platform_driver(mtk_vcodec_dec_driver);
    +static struct platform_driver * const mtk_vdec_drivers[] = {
    + &mtk_vdec_comp_driver,
    + &mtk_vcodec_dec_driver,
    +};
    +
    +static int __init mtk_vdec_init(void)
    +{
    + return platform_register_drivers(mtk_vdec_drivers,
    + ARRAY_SIZE(mtk_vdec_drivers));
    +}
    +
    +static void __exit mtk_vdec_exit(void)
    +{
    + platform_unregister_drivers(mtk_vdec_drivers,
    + ARRAY_SIZE(mtk_vdec_drivers));
    +}
    +
    +module_init(mtk_vdec_init);
    +module_exit(mtk_vdec_exit);

    MODULE_LICENSE("GPL v2");
    MODULE_DESCRIPTION("Mediatek video codec V4L2 decoder driver");
    diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_hw.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_hw.c
    new file mode 100644
    index 000000000000..ea6d289d9773
    --- /dev/null
    +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_hw.c
    @@ -0,0 +1,193 @@
    +// SPDX-License-Identifier: GPL-2.0
    +/*
    + * Copyright (c) 2021 MediaTek Inc.
    + * Author: Yunfei Dong <yunfei.dong@mediatek.com>
    + */
    +
    +#include <linux/component.h>
    +#include <linux/interrupt.h>
    +#include <linux/irq.h>
    +#include <linux/module.h>
    +#include <linux/of.h>
    +#include <linux/of_device.h>
    +#include <linux/slab.h>
    +
    +#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"
    +
    +static int mtk_vdec_comp_bind(struct device *dev, struct device *master,
    + void *data)
    +{
    + struct mtk_vdec_comp_dev *comp_dev = dev_get_drvdata(dev);
    + struct mtk_vcodec_dev *master_dev = data;
    + int i;
    +
    + for (i = 0; i < MTK_VDEC_HW_MAX; i++) {
    + if (dev->of_node != master_dev->component_node[i])
    + continue;
    +
    + master_dev->comp_dev[i] = comp_dev;
    + comp_dev->comp_idx = i;
    + comp_dev->master_dev = master_dev;
    + break;
    + }
    +
    + if (i == MTK_VDEC_HW_MAX) {
    + dev_err(dev, "Failed to get component node\n");
    + return -EINVAL;
    + }
    +
    + comp_dev->reg_base[VDEC_COMP_SYS] =
    + master_dev->reg_base[VDEC_COMP_SYS];
    + return 0;
    +}
    +
    +static void mtk_vdec_comp_unbind(struct device *dev, struct device *master,
    + void *data)
    +{
    + struct mtk_vdec_comp_dev *comp_dev = dev_get_drvdata(dev);
    +
    + comp_dev->reg_base[VDEC_COMP_SYS] = NULL;
    +}
    +
    +static const struct component_ops mtk_vdec_hw_component_ops = {
    + .bind = mtk_vdec_comp_bind,
    + .unbind = mtk_vdec_comp_unbind,
    +};
    +
    +/* Wake up context wait_queue */
    +static void mtk_vdec_comp_wake_up_ctx(struct mtk_vcodec_ctx *ctx)
    +{
    + ctx->int_cond = 1;
    + wake_up_interruptible(&ctx->queue);
    +}
    +
    +static irqreturn_t mtk_vdec_comp_irq_handler(int irq, void *priv)
    +{
    + struct mtk_vdec_comp_dev *dev = priv;
    + struct mtk_vcodec_ctx *ctx;
    + u32 cg_status;
    + unsigned int dec_done_status;
    + void __iomem *vdec_misc_addr = dev->reg_base[VDEC_COMP_MISC] +
    + VDEC_IRQ_CFG_REG;
    +
    + ctx = mtk_vcodec_get_curr_ctx(dev->master_dev);
    +
    + /* check if HW active or not */
    + cg_status = readl(dev->reg_base[VDEC_COMP_SYS]);
    + if ((cg_status & VDEC_HW_ACTIVE) != 0) {
    + mtk_v4l2_err("vdec active is not 0x0 (0x%08x)",
    + cg_status);
    + return IRQ_HANDLED;
    + }
    +
    + dec_done_status = readl(vdec_misc_addr);
    + if ((dec_done_status & MTK_VDEC_IRQ_STATUS_DEC_SUCCESS) !=
    + MTK_VDEC_IRQ_STATUS_DEC_SUCCESS)
    + return IRQ_HANDLED;
    +
    + /* clear interrupt */
    + 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_v4l2_debug(3, "wake up ctx %d, dec_done_status=%x",
    + ctx->id, dec_done_status);
    +
    + return IRQ_HANDLED;
    +}
    +
    +static int mtk_vdec_comp_init_irq(struct mtk_vdec_comp_dev *dev)
    +{
    + struct platform_device *pdev = dev->plat_dev;
    + int ret;
    +
    + dev->dec_irq = platform_get_irq(pdev, 0);
    + if (dev->dec_irq < 0) {
    + dev_err(&pdev->dev, "Failed to get irq resource");
    + return dev->dec_irq;
    + }
    +
    + ret = devm_request_irq(&pdev->dev, dev->dec_irq,
    + mtk_vdec_comp_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 -ENOENT;
    + }
    +
    + disable_irq(dev->dec_irq);
    + return 0;
    +}
    +
    +static int mtk_vdec_comp_probe(struct platform_device *pdev)
    +{
    + struct mtk_vdec_comp_dev *dev;
    + int ret;
    +
    + dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL);
    + if (!dev)
    + return -ENOMEM;
    +
    + dev->plat_dev = pdev;
    + spin_lock_init(&dev->irqlock);
    +
    + ret = mtk_vcodec_init_dec_pm(pdev, &dev->pm);
    + if (ret) {
    + dev_err(&pdev->dev, "Failed to get mt vcodec clock source");
    + return ret;
    + }
    +
    + dev->reg_base[VDEC_COMP_MISC] =
    + devm_platform_ioremap_resource(pdev, 0);
    + if (IS_ERR((__force void *)dev->reg_base[VDEC_COMP_MISC])) {
    + ret = PTR_ERR((__force void *)dev->reg_base[VDEC_COMP_MISC]);
    + goto err;
    + }
    +
    + if (of_get_property(pdev->dev.of_node, "dma-ranges", NULL))
    + dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(34));
    +
    + ret = mtk_vdec_comp_init_irq(dev);
    + if (ret) {
    + dev_err(&pdev->dev, "Failed to register irq handler.\n");
    + goto err;
    + }
    +
    + platform_set_drvdata(pdev, dev);
    +
    + ret = component_add(&pdev->dev, &mtk_vdec_hw_component_ops);
    + if (ret) {
    + dev_err(&pdev->dev, "Failed to add component: %d\n", ret);
    + goto err;
    + }
    +
    + return 0;
    +err:
    + mtk_vcodec_release_dec_pm(&dev->pm);
    + return ret;
    +}
    +
    +static const struct of_device_id mtk_vdec_comp_ids[] = {
    + {
    + .compatible = "mediatek,mtk-vcodec-lat",
    + },
    + {
    + .compatible = "mediatek,mtk-vcodec-core",
    + },
    + {},
    +};
    +MODULE_DEVICE_TABLE(of, mtk_vdec_comp_ids);
    +
    +struct platform_driver mtk_vdec_comp_driver = {
    + .probe = mtk_vdec_comp_probe,
    + .driver = {
    + .name = "mtk-vdec-comp",
    + .of_match_table = mtk_vdec_comp_ids,
    + },
    +};
    diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_hw.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_hw.h
    new file mode 100644
    index 000000000000..514e3fd190d1
    --- /dev/null
    +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_hw.h
    @@ -0,0 +1,46 @@
    +// SPDX-License-Identifier: GPL-2.0
    +/*
    + * Copyright (c) 2021 MediaTek Inc.
    + * Author: Yunfei Dong <yunfei.dong@mediatek.com>
    + */
    +
    +#ifndef _MTK_VCODEC_DEC_HW_H_
    +#define _MTK_VCODEC_DEC_HW_H_
    +
    +#include <linux/io.h>
    +#include <linux/platform_device.h>
    +
    +#include "mtk_vcodec_drv.h"
    +
    +/**
    + * 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_comp_dev - component framwork driver data
    + * @plat_dev: platform device
    + * @master_dev: master device
    + * @irqlock: protect data access by irq handler and work thread
    + * @reg_base: Mapped address of MTK Vcodec registers.
    + *
    + * @dec_irq: decoder irq resource
    + * @pm: power management control
    + * @comp_idx: component index
    + */
    +struct mtk_vdec_comp_dev {
    + struct platform_device *plat_dev;
    + struct mtk_vcodec_dev *master_dev;
    + spinlock_t irqlock;
    + 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_drv.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
    index 19296fd41c31..4002f786b6e3 100644
    --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
    +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
    @@ -17,6 +17,11 @@
    #include <media/videobuf2-core.h>
    #include "mtk_vcodec_util.h"

    +#define VDEC_HW_ACTIVE 0x10
    +#define VDEC_IRQ_CFG 0x11
    +#define VDEC_IRQ_CLR 0x10
    +#define VDEC_IRQ_CFG_REG 0xa4
    +
    #define MTK_VCODEC_DRV_NAME "mtk_vcodec_drv"
    #define MTK_VCODEC_DEC_NAME "mtk-vcodec-dec"
    #define MTK_VCODEC_ENC_NAME "mtk-vcodec-enc"
    @@ -93,6 +98,17 @@ enum mtk_fmt_type {
    MTK_FMT_FRAME = 2,
    };

    +/**
    + * 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 pixelformats
    */
    @@ -404,6 +420,7 @@ struct mtk_vcodec_enc_pdata {
    *
    * @fw_handler: used to communicate with the firmware.
    * @id_counter: used to identify current opened instance
    + * @is_support_comp: true: using compoent framework, false: not support
    *
    * @decode_workqueue: decode work queue
    * @encode_workqueue: encode work queue
    @@ -422,6 +439,10 @@ 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
    + * @comp_idx: component index
    */
    struct mtk_vcodec_dev {
    struct v4l2_device v4l2_dev;
    @@ -442,6 +463,7 @@ struct mtk_vcodec_dev {
    struct mtk_vcodec_fw *fw_handler;

    unsigned long id_counter;
    + bool is_support_comp;

    struct workqueue_struct *decode_workqueue;
    struct workqueue_struct *encode_workqueue;
    @@ -459,6 +481,10 @@ 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];
    + int comp_idx;
    };

    static inline struct mtk_vcodec_ctx *fh_to_ctx(struct v4l2_fh *fh)
    --
    2.25.1
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      Last update: 2021-07-17 10:14    [W:5.343 / U:0.240 seconds]
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