[PATCH v4 6/6] media: mediatek: encoder: Add MT8196 encoder compatible data
From: Irui Wang <hidden>
Date: 2026-02-12 10:01:26
Also in:
linux-devicetree, linux-media, linux-mediatek, lkml
Subsystem:
media input infrastructure (v4l/dvb), mediatek media driver, the rest · Maintainers:
Mauro Carvalho Chehab, Tiffany Lin, Andrew-CT Chen, Yunfei Dong, Linus Torvalds
MT8196 encoder use common firmware interface, add compatible data to support MT8196 encoding, and need set dma mask to support 34bit. Signed-off-by: Irui Wang <redacted> --- .../vcodec/encoder/mtk_vcodec_enc_drv.c | 19 +++++++++++++++++++ .../vcodec/encoder/mtk_vcodec_enc_drv.h | 2 ++ 2 files changed, 21 insertions(+)
diff --git a/drivers/media/platform/mediatek/vcodec/encoder/mtk_vcodec_enc_drv.c b/drivers/media/platform/mediatek/vcodec/encoder/mtk_vcodec_enc_drv.c
index 9a94bd096397..86d0ab03f151 100644
--- a/drivers/media/platform/mediatek/vcodec/encoder/mtk_vcodec_enc_drv.c
+++ b/drivers/media/platform/mediatek/vcodec/encoder/mtk_vcodec_enc_drv.c@@ -20,6 +20,8 @@ #include "mtk_vcodec_enc_pm.h" #include "../common/mtk_vcodec_intr.h" +#define VENC_DMA_BIT_MASK 34 + static const struct mtk_video_fmt mtk_video_formats_output[] = { { .fourcc = V4L2_PIX_FMT_NV12M,
@@ -300,6 +302,9 @@ static int mtk_vcodec_probe(struct platform_device *pdev) goto err_res; } + if (dev->venc_pdata->set_dma_bit_mask) + dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(VENC_DMA_BIT_MASK)); + mutex_init(&dev->enc_mutex); mutex_init(&dev->dev_mutex); spin_lock_init(&dev->dev_ctx_lock);
@@ -451,6 +456,19 @@ static const struct mtk_vcodec_enc_pdata mt8195_pdata = { .core_id = VENC_SYS, }; +static const struct mtk_vcodec_enc_pdata mt8196_pdata = { + .venc_model_num = 8196, + .capture_formats = mtk_video_formats_capture_h264, + .num_capture_formats = ARRAY_SIZE(mtk_video_formats_capture_h264), + .output_formats = mtk_video_formats_output, + .num_output_formats = ARRAY_SIZE(mtk_video_formats_output), + .min_bitrate = 64, + .max_bitrate = 100000000, + .core_id = VENC_SYS, + .uses_common_fw_iface = true, + .set_dma_bit_mask = true, +}; + static const struct of_device_id mtk_vcodec_enc_match[] = { {.compatible = "mediatek,mt8173-vcodec-enc", .data = &mt8173_avc_pdata},
@@ -460,6 +478,7 @@ static const struct of_device_id mtk_vcodec_enc_match[] = { {.compatible = "mediatek,mt8188-vcodec-enc", .data = &mt8188_pdata}, {.compatible = "mediatek,mt8192-vcodec-enc", .data = &mt8192_pdata}, {.compatible = "mediatek,mt8195-vcodec-enc", .data = &mt8195_pdata}, + {.compatible = "mediatek,mt8196-vcodec-enc", .data = &mt8196_pdata}, {}, }; MODULE_DEVICE_TABLE(of, mtk_vcodec_enc_match);
diff --git a/drivers/media/platform/mediatek/vcodec/encoder/mtk_vcodec_enc_drv.h b/drivers/media/platform/mediatek/vcodec/encoder/mtk_vcodec_enc_drv.h
index 769fb5009964..475953d39aa4 100644
--- a/drivers/media/platform/mediatek/vcodec/encoder/mtk_vcodec_enc_drv.h
+++ b/drivers/media/platform/mediatek/vcodec/encoder/mtk_vcodec_enc_drv.h@@ -32,6 +32,7 @@ * @core_id: stand for h264 or vp8 encode index * @uses_34bit: whether the encoder uses 34-bit iova * @uses_common_fw_iface: whether the encoder uses common driver interface + * @set_dma_bit_mask: whether the encoder need set extra DMA bit mask */ struct mtk_vcodec_enc_pdata { u16 venc_model_num;
@@ -45,6 +46,7 @@ struct mtk_vcodec_enc_pdata { u8 core_id; bool uses_34bit; bool uses_common_fw_iface; + bool set_dma_bit_mask; }; /*
--
2.45.2