/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2012 Samsung Electronics Co., Ltd. */ #ifndef FIMC_LITE_H_ #define FIMC_LITE_H_ #include <linux/sizes.h> #include <linux/io.h> #include <linux/irqreturn.h> #include <linux/platform_device.h> #include <linux/sched.h> #include <linux/spinlock.h> #include <linux/types.h> #include <linux/videodev2.h> #include <media/media-entity.h> #include <media/videobuf2-v4l2.h> #include <media/v4l2-ctrls.h> #include <media/v4l2-device.h> #include <media/v4l2-mediabus.h> #include <media/drv-intf/exynos-fimc.h> #define FIMC_LITE_DRV_NAME … #define FLITE_CLK_NAME … #define FIMC_LITE_MAX_DEVS … #define FLITE_REQ_BUFS_MIN … #define FLITE_DEFAULT_WIDTH … #define FLITE_DEFAULT_HEIGHT … /* Bit index definitions for struct fimc_lite::state */ enum { … }; #define FLITE_SD_PAD_SINK … #define FLITE_SD_PAD_SOURCE_DMA … #define FLITE_SD_PAD_SOURCE_ISP … #define FLITE_SD_PADS_NUM … /** * struct flite_drvdata - FIMC-LITE IP variant data structure * @max_width: maximum camera interface input width in pixels * @max_height: maximum camera interface input height in pixels * @out_width_align: minimum output width alignment in pixels * @win_hor_offs_align: minimum camera interface crop window horizontal * offset alignment in pixels * @out_hor_offs_align: minimum output DMA compose rectangle horizontal * offset alignment in pixels * @max_dma_bufs: number of output DMA buffer start address registers * @num_instances: total number of FIMC-LITE IP instances available */ struct flite_drvdata { … }; struct fimc_lite_events { … }; #define FLITE_MAX_PLANES … /** * struct flite_frame - source/target frame properties * @f_width: full pixel width * @f_height: full pixel height * @rect: crop/composition rectangle * @fmt: pointer to pixel format description data structure */ struct flite_frame { … }; /** * struct flite_buffer - video buffer structure * @vb: vb2 buffer * @list: list head for the buffers queue * @addr: DMA buffer start address * @index: DMA start address register's index */ struct flite_buffer { … }; /** * struct fimc_lite - fimc lite structure * @pdev: pointer to FIMC-LITE platform device * @dd: SoC specific driver data structure * @ve: exynos video device entity structure * @v4l2_dev: pointer to top the level v4l2_device * @fh: v4l2 file handle * @subdev: FIMC-LITE subdev * @vd_pad: media (sink) pad for the capture video node * @subdev_pads: the subdev media pads * @sensor: sensor subdev attached to FIMC-LITE directly or through MIPI-CSIS * @ctrl_handler: v4l2 control handler * @test_pattern: test pattern controls * @index: FIMC-LITE platform device index * @slock: spinlock protecting this data structure and the hw registers * @lock: mutex serializing video device and the subdev operations * @clock: FIMC-LITE gate clock * @regs: memory mapped io registers * @irq_queue: interrupt handler waitqueue * @payload: image size in bytes (w x h x bpp) * @inp_frame: camera input frame structure * @out_frame: DMA output frame structure * @out_path: output data path (DMA or FIFO) * @source_subdev_grp_id: source subdev group id * @state: driver state flags * @pending_buf_q: pending buffers queue head * @active_buf_q: the queue head of buffers scheduled in hardware * @vb_queue: vb2 buffers queue * @buf_index: helps to keep track of the DMA start address register index * @frame_count: the captured frames counter * @reqbufs_count: the number of buffers requested with REQBUFS ioctl * @events: event info * @streaming: is streaming in progress? */ struct fimc_lite { … }; static inline bool fimc_lite_active(struct fimc_lite *fimc) { … } static inline void fimc_lite_active_queue_add(struct fimc_lite *dev, struct flite_buffer *buf) { … } static inline struct flite_buffer *fimc_lite_active_queue_pop( struct fimc_lite *dev) { … } static inline void fimc_lite_pending_queue_add(struct fimc_lite *dev, struct flite_buffer *buf) { … } static inline struct flite_buffer *fimc_lite_pending_queue_pop( struct fimc_lite *dev) { … } #endif /* FIMC_LITE_H_ */
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