/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (c) 2023 MediaTek Inc. * Author: Yunfei Dong <[email protected]> */ #ifndef _MTK_VCODEC_DEC_DRV_H_ #define _MTK_VCODEC_DEC_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" #include "vdec_msg_queue.h" #define MTK_VCODEC_DEC_NAME … #define IS_VDEC_LAT_ARCH(hw_arch) … #define IS_VDEC_INNER_RACING(capability) … enum mtk_vcodec_dec_chip_name { … }; /* * enum mtk_vdec_format_types - Structure used to get supported * format types according to decoder capability */ enum mtk_vdec_format_types { … }; /* * enum mtk_vdec_hw_count - Supported hardware count */ enum mtk_vdec_hw_count { … }; /* * enum mtk_vdec_hw_arch - Used to separate different hardware architecture */ enum mtk_vdec_hw_arch { … }; /** * struct vdec_pic_info - picture size information * @pic_w: picture width * @pic_h: picture height * @buf_w: picture buffer width (64 aligned up from pic_w) * @buf_h: picture buffer height (64 aligned up from pic_h) * @fb_sz: bitstream size of each plane * E.g. suppose picture size is 176x144, * buffer size will be aligned to 176x160. * @cap_fourcc: fourcc number(may change on a resolution change) * @reserved: align struct to 64-bit in order to adjust 32-bit and 64-bit os. */ struct vdec_pic_info { … }; /** * struct mtk_vcodec_dec_pdata - compatible data for each IC * @init_vdec_params: init vdec params * @ctrls_setup: init vcodec dec ctrls * @worker: worker to start a decode job * @flush_decoder: function that flushes the decoder * @get_cap_buffer: get capture buffer from capture queue * @cap_to_disp: put capture buffer to disp list for lat and core arch * @vdec_vb2_ops: struct vb2_ops * * @vdec_formats: supported video decoder formats * @num_formats: count of video decoder formats * @default_out_fmt: default output buffer format * @default_cap_fmt: default capture buffer format * * @hw_arch: hardware arch is used to separate pure_sin_core and lat_sin_core * * @is_subdev_supported: whether support parent-node architecture(subdev) * @uses_stateless_api: whether the decoder uses the stateless API with requests */ struct mtk_vcodec_dec_pdata { … }; /** * struct mtk_vcodec_dec_ctx - Context (instance) private data. * * @type: type of decoder instance * @dev: pointer to the mtk_vcodec_dec_dev of the device * @list: link to ctx_list of mtk_vcodec_dec_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 * * @dec_if: hooked decoder driver interface * @drv_handle: driver handle for specific decode/encode instance * * @picinfo: store picture info after header parsing * @dpb_size: store dpb count after header parsing * * @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 * @decode_work: worker for the decoding * @last_decoded_picinfo: pic information get from latest decode * @empty_flush_buf: a fake size-0 capture buffer that indicates flush. Used * for stateful decoder. * @is_flushing: set to true if flushing is in progress. * * @current_codec: current set input codec, in V4L2 pixel format * @capture_fourcc: capture queue type in V4L2 pixel format * * @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 * * @decoded_frame_cnt: number of decoded frames * @lock: protect variables accessed by V4L2 threads and worker thread such as * mtk_video_dec_buf. * @hw_id: hardware index used to identify different hardware. * * @msg_queue: msg queue used to store lat buffer information. * @vpu_inst: vpu instance pointer. * * @is_10bit_bitstream: set to true if it's 10bit bitstream */ struct mtk_vcodec_dec_ctx { … }; /** * struct mtk_vcodec_dec_dev - driver data * @v4l2_dev: V4L2 device to register video devices for. * @vfd_dec: Video device for decoder * @mdev_dec: Media device for decoder * * @m2m_dev_dec: m2m device for decoder * @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. * @vdec_pdata: decoder IC-specific data * @vdecsys_regmap: VDEC_SYS register space passed through syscon * * @fw_handler: used to communicate with the firmware. * @id_counter: used to identify current opened instance * * @dec_mutex: decoder hardware lock * @dev_mutex: video_device lock * @dev_ctx_lock: the lock of context list * @decode_workqueue: decode work queue * * @irqlock: protect data access by irq handler and work thread * @dec_irq: decoder irq resource * * @pm: power management control * @dec_capability: used to identify decode capability, ex: 4k * * @core_workqueue: queue used for core hardware decode * * @subdev_dev: subdev hardware device * @subdev_prob_done: check whether all used hw device is prob done * @subdev_bitmap: used to record hardware is ready or not * * @dec_active_cnt: used to mark whether need to record register value * @vdec_racing_info: record register value * @dec_racing_info_mutex: mutex lock used for inner racing mode * @dbgfs: debug log related information * * @chip_name: used to distinguish platforms and select the correct codec configuration values */ struct mtk_vcodec_dec_dev { … }; static inline struct mtk_vcodec_dec_ctx *fh_to_dec_ctx(struct v4l2_fh *fh) { … } static inline struct mtk_vcodec_dec_ctx *ctrl_to_dec_ctx(struct v4l2_ctrl *ctrl) { … } /* Wake up context wait_queue */ static inline void wake_up_dec_ctx(struct mtk_vcodec_dec_ctx *ctx, unsigned int reason, unsigned int hw_id) { … } #define mtk_vdec_err(ctx, fmt, args...) … #define mtk_vdec_debug(ctx, fmt, args...) … #define mtk_v4l2_vdec_err(ctx, fmt, args...) … #define mtk_v4l2_vdec_dbg(level, ctx, fmt, args...) … #endif /* _MTK_VCODEC_DEC_DRV_H_ */
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