diff options
Diffstat (limited to 'drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_drv.c')
-rw-r--r-- | drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_drv.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_drv.c b/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_drv.c index 0a89ce452a..2073781cca 100644 --- a/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_drv.c +++ b/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_drv.c @@ -268,7 +268,9 @@ static int fops_vcodec_open(struct file *file) ctx->dev->vdec_pdata->init_vdec_params(ctx); + mutex_lock(&dev->dev_ctx_lock); list_add(&ctx->list, &dev->ctx_list); + mutex_unlock(&dev->dev_ctx_lock); mtk_vcodec_dbgfs_create(ctx); mutex_unlock(&dev->dev_mutex); @@ -311,7 +313,9 @@ static int fops_vcodec_release(struct file *file) v4l2_ctrl_handler_free(&ctx->ctrl_hdl); mtk_vcodec_dbgfs_remove(dev, ctx->id); + mutex_lock(&dev->dev_ctx_lock); list_del_init(&ctx->list); + mutex_unlock(&dev->dev_ctx_lock); kfree(ctx); mutex_unlock(&dev->dev_mutex); return 0; @@ -326,6 +330,26 @@ static const struct v4l2_file_operations mtk_vcodec_fops = { .mmap = v4l2_m2m_fop_mmap, }; +static void mtk_vcodec_dec_get_chip_name(struct mtk_vcodec_dec_dev *vdec_dev) +{ + struct device *dev = &vdec_dev->plat_dev->dev; + + if (of_device_is_compatible(dev->of_node, "mediatek,mt8173-vcodec-dec")) + vdec_dev->chip_name = MTK_VDEC_MT8173; + else if (of_device_is_compatible(dev->of_node, "mediatek,mt8183-vcodec-dec")) + vdec_dev->chip_name = MTK_VDEC_MT8183; + else if (of_device_is_compatible(dev->of_node, "mediatek,mt8192-vcodec-dec")) + vdec_dev->chip_name = MTK_VDEC_MT8192; + else if (of_device_is_compatible(dev->of_node, "mediatek,mt8195-vcodec-dec")) + vdec_dev->chip_name = MTK_VDEC_MT8195; + else if (of_device_is_compatible(dev->of_node, "mediatek,mt8186-vcodec-dec")) + vdec_dev->chip_name = MTK_VDEC_MT8186; + else if (of_device_is_compatible(dev->of_node, "mediatek,mt8188-vcodec-dec")) + vdec_dev->chip_name = MTK_VDEC_MT8188; + else + vdec_dev->chip_name = MTK_VDEC_INVAL; +} + static int mtk_vcodec_probe(struct platform_device *pdev) { struct mtk_vcodec_dec_dev *dev; @@ -341,6 +365,12 @@ static int mtk_vcodec_probe(struct platform_device *pdev) INIT_LIST_HEAD(&dev->ctx_list); dev->plat_dev = pdev; + mtk_vcodec_dec_get_chip_name(dev); + if (dev->chip_name == MTK_VDEC_INVAL) { + dev_err(&pdev->dev, "Failed to get decoder chip name"); + return -EINVAL; + } + dev->vdec_pdata = of_device_get_match_data(&pdev->dev); if (!of_property_read_u32(pdev->dev.of_node, "mediatek,vpu", &rproc_phandle)) { @@ -378,6 +408,7 @@ static int mtk_vcodec_probe(struct platform_device *pdev) for (i = 0; i < MTK_VDEC_HW_MAX; i++) mutex_init(&dev->dec_mutex[i]); mutex_init(&dev->dev_mutex); + mutex_init(&dev->dev_ctx_lock); spin_lock_init(&dev->irqlock); snprintf(dev->v4l2_dev.name, sizeof(dev->v4l2_dev.name), "%s", |