/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (c) 2016 MediaTek Inc. * Author: Ming Hsiu Tsai <[email protected]> * Rick Chang <[email protected]> * Xia Jiang <[email protected]> */ #ifndef _MTK_JPEG_CORE_H #define _MTK_JPEG_CORE_H #include <linux/clk.h> #include <linux/interrupt.h> #include <media/v4l2-ctrls.h> #include <media/v4l2-device.h> #include <media/v4l2-fh.h> #include <media/videobuf2-v4l2.h> #include "mtk_jpeg_dec_hw.h" #define MTK_JPEG_NAME … #define MTK_JPEG_FMT_FLAG_OUTPUT … #define MTK_JPEG_FMT_FLAG_CAPTURE … #define MTK_JPEG_MIN_WIDTH … #define MTK_JPEG_MIN_HEIGHT … #define MTK_JPEG_MAX_WIDTH … #define MTK_JPEG_MAX_HEIGHT … #define MTK_JPEG_DEFAULT_SIZEIMAGE … #define MTK_JPEG_HW_TIMEOUT_MSEC … #define MTK_JPEG_MAX_EXIF_SIZE … /** * enum mtk_jpeg_ctx_state - states of the context state machine * @MTK_JPEG_INIT: current state is initialized * @MTK_JPEG_RUNNING: current state is running * @MTK_JPEG_SOURCE_CHANGE: current state is source resolution change */ enum mtk_jpeg_ctx_state { … }; /** * struct mtk_jpeg_variant - mtk jpeg driver variant * @clks: clock names * @num_clks: numbers of clock * @formats: jpeg driver's internal color format * @num_formats: number of formats * @qops: the callback of jpeg vb2_ops * @irq_handler: jpeg irq handler callback * @hw_reset: jpeg hardware reset callback * @m2m_ops: the callback of jpeg v4l2_m2m_ops * @dev_name: jpeg device name * @ioctl_ops: the callback of jpeg v4l2_ioctl_ops * @out_q_default_fourcc: output queue default fourcc * @cap_q_default_fourcc: capture queue default fourcc * @multi_core: mark jpeg hw is multi_core or not * @jpeg_worker: jpeg dec or enc worker */ struct mtk_jpeg_variant { … }; struct mtk_jpeg_src_buf { … }; enum mtk_jpeg_hw_state { … }; struct mtk_jpeg_hw_param { … }; enum mtk_jpegenc_hw_id { … }; enum mtk_jpegdec_hw_id { … }; /** * struct mtk_jpegenc_clk - Structure used to store vcodec clock information * @clks: JPEG encode clock * @clk_num: JPEG encode clock numbers */ struct mtk_jpegenc_clk { … }; /** * struct mtk_jpegdec_clk - Structure used to store vcodec clock information * @clks: JPEG decode clock * @clk_num: JPEG decode clock numbers */ struct mtk_jpegdec_clk { … }; /** * struct mtk_jpegenc_comp_dev - JPEG COREX abstraction * @dev: JPEG device * @plat_dev: platform device data * @reg_base: JPEG registers mapping * @master_dev: mtk_jpeg_dev device * @venc_clk: jpeg encode clock * @jpegenc_irq: jpeg encode irq num * @job_timeout_work: encode timeout workqueue * @hw_param: jpeg encode hw parameters * @hw_state: record hw state * @hw_lock: spinlock protecting the hw device resource */ struct mtk_jpegenc_comp_dev { … }; /** * struct mtk_jpegdec_comp_dev - JPEG COREX abstraction * @dev: JPEG device * @plat_dev: platform device data * @reg_base: JPEG registers mapping * @master_dev: mtk_jpeg_dev device * @jdec_clk: mtk_jpegdec_clk * @jpegdec_irq: jpeg decode irq num * @job_timeout_work: decode timeout workqueue * @hw_param: jpeg decode hw parameters * @hw_state: record hw state * @hw_lock: spinlock protecting hw */ struct mtk_jpegdec_comp_dev { … }; /** * struct mtk_jpeg_dev - JPEG IP abstraction * @lock: the mutex protecting this structure * @hw_lock: spinlock protecting the hw device resource * @workqueue: decode work queue * @dev: JPEG device * @v4l2_dev: v4l2 device for mem2mem mode * @m2m_dev: v4l2 mem2mem device data * @alloc_ctx: videobuf2 memory allocator's context * @vdev: video device node for jpeg mem2mem mode * @reg_base: JPEG registers mapping * @job_timeout_work: IRQ timeout structure * @variant: driver variant to be used * @reg_encbase: jpg encode register base addr * @enc_hw_dev: jpg encode hardware device * @hw_wq: jpg wait queue * @hw_rdy: jpg hw ready flag * @reg_decbase: jpg decode register base addr * @dec_hw_dev: jpg decode hardware device * @hw_index: jpg hw index */ struct mtk_jpeg_dev { … }; /** * struct mtk_jpeg_fmt - driver's internal color format data * @fourcc: the fourcc code, 0 if not applicable * @hw_format: hardware format value * @h_sample: horizontal sample count of plane in 4 * 4 pixel image * @v_sample: vertical sample count of plane in 4 * 4 pixel image * @colplanes: number of color planes (1 for packed formats) * @h_align: horizontal alignment order (align to 2^h_align) * @v_align: vertical alignment order (align to 2^v_align) * @flags: flags describing format applicability */ struct mtk_jpeg_fmt { … }; /** * struct mtk_jpeg_q_data - parameters of one queue * @fmt: driver-specific format of this queue * @pix_mp: multiplanar format * @enc_crop_rect: jpeg encoder crop information */ struct mtk_jpeg_q_data { … }; /** * struct mtk_jpeg_ctx - the device context data * @jpeg: JPEG IP device for this context * @out_q: source (output) queue information * @cap_q: destination queue information * @fh: V4L2 file handle * @state: state of the context * @enable_exif: enable exif mode of jpeg encoder * @enc_quality: jpeg encoder quality * @restart_interval: jpeg encoder restart interval * @ctrl_hdl: controls handler * @jpeg_work: jpeg encoder workqueue * @total_frame_num: encoded frame number * @dst_done_queue: encoded frame buffer queue * @done_queue_lock: encoded frame operation spinlock * @last_done_frame_num: the last encoded frame number */ struct mtk_jpeg_ctx { … }; #endif /* _MTK_JPEG_CORE_H */
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