/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (c) 2023 MediaTek Inc. * Author: Yunfei Dong <[email protected]> */ #ifndef _MTK_VCODEC_ENC_DRV_H_ #define _MTK_VCODEC_ENC_DRV_H_ #include "../common/mtk_vcodec_cmn_drv.h" #include "../common/mtk_vcodec_dbgfs.h" #include "../common/mtk_vcodec_fw_priv.h" #include "../common/mtk_vcodec_util.h" #define MTK_VCODEC_ENC_NAME … #define MTK_ENC_CTX_IS_EXT(ctx) … #define MTK_ENC_IOVA_IS_34BIT(ctx) … /** * struct mtk_vcodec_enc_pdata - compatible data for each IC * * @uses_ext: whether the encoder uses the extended firmware messaging format * @min_bitrate: minimum supported encoding bitrate * @max_bitrate: maximum supported encoding bitrate * @capture_formats: array of supported capture formats * @num_capture_formats: number of entries in capture_formats * @output_formats: array of supported output formats * @num_output_formats: number of entries in output_formats * @core_id: stand for h264 or vp8 encode index * @uses_34bit: whether the encoder uses 34-bit iova */ struct mtk_vcodec_enc_pdata { … }; /* * enum mtk_encode_param - General encoding parameters type */ enum mtk_encode_param { … }; /** * struct mtk_enc_params - General encoding parameters * @bitrate: target bitrate in bits per second * @num_b_frame: number of b frames between p-frame * @rc_frame: frame based rate control * @rc_mb: macroblock based rate control * @seq_hdr_mode: H.264 sequence header is encoded separately or joined * with the first frame * @intra_period: I frame period * @gop_size: group of picture size, it's used as the intra frame period * @framerate_num: frame rate numerator. ex: framerate_num=30 and * framerate_denom=1 means FPS is 30 * @framerate_denom: frame rate denominator. ex: framerate_num=30 and * framerate_denom=1 means FPS is 30 * @h264_max_qp: Max value for H.264 quantization parameter * @h264_profile: V4L2 defined H.264 profile * @h264_level: V4L2 defined H.264 level * @force_intra: force/insert intra frame */ struct mtk_enc_params { … }; /** * struct mtk_vcodec_enc_ctx - Context (instance) private data. * * @type: type of encoder instance * @dev: pointer to the mtk_vcodec_enc_dev of the device * @list: link to ctx_list of mtk_vcodec_enc_dev * * @fh: struct v4l2_fh * @m2m_ctx: pointer to the v4l2_m2m_ctx of the context * @q_data: store information of input and output queue of the context * @id: index of the context that this structure describes * @state: state of the context * @param_change: indicate encode parameter type * @enc_params: encoding parameters * * @enc_if: hooked encoder driver interface * @drv_handle: driver handle for specific decode/encode instance * * @int_cond: variable used by the waitqueue * @int_type: type of the last interrupt * @queue: waitqueue that can be used to wait for this context to finish * @irq_status: irq status * * @ctrl_hdl: handler for v4l2 framework * @encode_work: worker for the encoding * @empty_flush_buf: a fake size-0 capture buffer that indicates flush. Used for encoder. * @is_flushing: set to true if flushing is in progress. * * @colorspace: enum v4l2_colorspace; supplemental to pixelformat * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding * @quantization: enum v4l2_quantization, colorspace quantization * @xfer_func: enum v4l2_xfer_func, colorspace transfer function * * @q_mutex: vb2_queue mutex. * @vpu_inst: vpu instance pointer. */ struct mtk_vcodec_enc_ctx { … }; /** * struct mtk_vcodec_enc_dev - driver data * @v4l2_dev: V4L2 device to register video devices for. * @vfd_enc: Video device for encoder. * * @m2m_dev_enc: m2m device for encoder. * @plat_dev: platform device * @ctx_list: list of struct mtk_vcodec_ctx * @curr_ctx: The context that is waiting for codec hardware * * @reg_base: Mapped address of MTK Vcodec registers. * @venc_pdata: encoder IC-specific data * * @fw_handler: used to communicate with the firmware. * @id_counter: used to identify current opened instance * * @enc_mutex: encoder hardware lock. * @dev_mutex: video_device lock * @dev_ctx_lock: the lock of context list * @encode_workqueue: encode work queue * * @enc_irq: h264 encoder irq resource * @irqlock: protect data access by irq handler and work thread * * @pm: power management control * @enc_capability: used to identify encode capability * @dbgfs: debug log related information */ struct mtk_vcodec_enc_dev { … }; static inline struct mtk_vcodec_enc_ctx *fh_to_enc_ctx(struct v4l2_fh *fh) { … } static inline struct mtk_vcodec_enc_ctx *ctrl_to_enc_ctx(struct v4l2_ctrl *ctrl) { … } /* Wake up context wait_queue */ static inline void wake_up_enc_ctx(struct mtk_vcodec_enc_ctx *ctx, unsigned int reason, unsigned int hw_id) { … } #define mtk_venc_err(ctx, fmt, args...) … #define mtk_venc_debug(ctx, fmt, args...) … #define mtk_v4l2_venc_err(ctx, fmt, args...) … #define mtk_v4l2_venc_dbg(level, ctx, fmt, args...) … #endif /* _MTK_VCODEC_ENC_DRV_H_ */
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