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J . Mercier" , =?utf-8?q?Christian_K=C3=B6nig?= , Matthias Brugger , , , , , , Subject: [PATCH v7 08/28] media: mediatek: vcodec: build decoder OPTEE driver as module Date: Sat, 20 Jul 2024 15:15:46 +0800 Message-ID: <20240720071606.27930-9-yunfei.dong@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240720071606.27930-1-yunfei.dong@mediatek.com> References: <20240720071606.27930-1-yunfei.dong@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240720_001628_726274_0D0E1C38 X-CRM114-Status: GOOD ( 15.44 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The tee_* function make the driver depends on the TEE driver, isolate the decoder OPTEE client into a separate module, and make it depends on CONFIG_TEE. The driver can open/close the TEE driver dynamically. Signed-off-by: Yunfei Dong --- .../media/platform/mediatek/vcodec/Kconfig | 12 ++++++++++++ .../platform/mediatek/vcodec/decoder/Makefile | 5 ++++- .../vcodec/decoder/mtk_vcodec_dec_drv.h | 2 ++ .../vcodec/decoder/mtk_vcodec_dec_optee.h | 19 +++++++++++++++++++ 4 files changed, 37 insertions(+), 1 deletion(-) diff --git a/drivers/media/platform/mediatek/vcodec/Kconfig b/drivers/media/platform/mediatek/vcodec/Kconfig index bc8292232530..ce63e1fa6118 100644 --- a/drivers/media/platform/mediatek/vcodec/Kconfig +++ b/drivers/media/platform/mediatek/vcodec/Kconfig @@ -34,3 +34,15 @@ config VIDEO_MEDIATEK_VCODEC To compile this driver as modules, choose M here: the modules will be called mtk-vcodec-dec and mtk-vcodec-enc. + +config VIDEO_MEDIATEK_VCODEC_TEE + bool "MediaTek Video Codec TEE driver" + depends on OPTEE + depends on TEE + select VIDEO_MEDIATEK_VCODEC + help + MediaTek video codec TEE driver provides interface to + communicate with secure os to process secure video. + + Setting this config with Y when the driver need to support + secure video playback(SVP). \ No newline at end of file diff --git a/drivers/media/platform/mediatek/vcodec/decoder/Makefile b/drivers/media/platform/mediatek/vcodec/decoder/Makefile index 1624933dfd5e..797ad9ebafb6 100644 --- a/drivers/media/platform/mediatek/vcodec/decoder/Makefile +++ b/drivers/media/platform/mediatek/vcodec/decoder/Makefile @@ -3,6 +3,8 @@ obj-$(CONFIG_VIDEO_MEDIATEK_VCODEC) += mtk-vcodec-dec.o \ mtk-vcodec-dec-hw.o +obj-$(CONFIG_VIDEO_MEDIATEK_VCODEC_TEE) += mtk-vcodec-optee.o + mtk-vcodec-dec-y := vdec/vdec_h264_if.o \ vdec/vdec_vp8_if.o \ vdec/vdec_vp8_req_if.o \ @@ -21,6 +23,7 @@ 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_optee.o \ mtk-vcodec-dec-hw-y := mtk_vcodec_dec_hw.o + +mtk-vcodec-optee-y := mtk_vcodec_dec_optee.o \ No newline at end of file diff --git a/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_drv.h b/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_drv.h index 0996a8d2a537..dcab8a257380 100644 --- a/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_drv.h +++ b/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_drv.h @@ -309,7 +309,9 @@ struct mtk_vcodec_dec_dev { enum mtk_vcodec_dec_chip_name chip_name; +#ifdef CONFIG_VIDEO_MEDIATEK_VCODEC_TEE struct mtk_vdec_optee_private *optee_private; +#endif }; static inline struct mtk_vcodec_dec_ctx *fh_to_dec_ctx(struct v4l2_fh *fh) diff --git a/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_optee.h b/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_optee.h index 33134cf0d5d5..8a2a82874597 100644 --- a/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_optee.h +++ b/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_optee.h @@ -52,6 +52,7 @@ struct mtk_vdec_optee_private { struct mutex tee_mutex; }; +#ifdef CONFIG_VIDEO_MEDIATEK_VCODEC_TEE /** * mtk_vcodec_dec_optee_open - setup the communication channels with TA. * @vcodec_dev: pointer to the mtk_vcodec_dec_dev of the device @@ -70,4 +71,22 @@ int mtk_vcodec_dec_optee_private_init(struct mtk_vcodec_dec_dev *vcodec_dev); */ void mtk_vcodec_dec_optee_close(struct mtk_vcodec_dec_dev *vcodec_dev); +#else + +static inline int mtk_vcodec_dec_optee_open(struct mtk_vcodec_dec_dev *vcodec_dev) +{ + return 0; +} + +static inline int mtk_vcodec_dec_optee_private_init(struct mtk_vcodec_dec_dev *vcodec_dev) +{ + return 0; +} + +static inline void mtk_vcodec_dec_optee_close(struct mtk_vcodec_dec_dev *vcodec_dev) +{ +} + +#endif /* CONFIG_VIDEO_MEDIATEK_VCODEC_TEE */ + #endif /* _MTK_VCODEC_DEC_OPTEE_H_ */