diff options
Diffstat (limited to 'drivers/media/video/s5p-fimc/fimc-lite.h')
| -rw-r--r-- | drivers/media/video/s5p-fimc/fimc-lite.h | 213 |
1 files changed, 0 insertions, 213 deletions
diff --git a/drivers/media/video/s5p-fimc/fimc-lite.h b/drivers/media/video/s5p-fimc/fimc-lite.h deleted file mode 100644 index 44424eee81d..00000000000 --- a/drivers/media/video/s5p-fimc/fimc-lite.h +++ /dev/null @@ -1,213 +0,0 @@ -/* - * Copyright (C) 2012 Samsung Electronics Co., Ltd. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef FIMC_LITE_H_ -#define FIMC_LITE_H_ - -#include <asm/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-core.h> -#include <media/v4l2-device.h> -#include <media/v4l2-mediabus.h> -#include <media/s5p_fimc.h> - -#include "fimc-core.h" - -#define FIMC_LITE_DRV_NAME "exynos-fimc-lite" -#define FLITE_CLK_NAME "flite" -#define FIMC_LITE_MAX_DEVS 2 -#define FLITE_REQ_BUFS_MIN 2 - -/* Bit index definitions for struct fimc_lite::state */ -enum { - ST_FLITE_LPM, - ST_FLITE_PENDING, - ST_FLITE_RUN, - ST_FLITE_STREAM, - ST_FLITE_SUSPENDED, - ST_FLITE_OFF, - ST_FLITE_IN_USE, - ST_FLITE_CONFIG, - ST_SENSOR_STREAM, -}; - -#define FLITE_SD_PAD_SINK 0 -#define FLITE_SD_PAD_SOURCE 1 -#define FLITE_SD_PADS_NUM 2 - -struct flite_variant { - unsigned short max_width; - unsigned short max_height; - unsigned short out_width_align; - unsigned short win_hor_offs_align; - unsigned short out_hor_offs_align; -}; - -struct flite_drvdata { - struct flite_variant *variant[FIMC_LITE_MAX_DEVS]; -}; - -#define fimc_lite_get_drvdata(_pdev) \ - ((struct flite_drvdata *) platform_get_device_id(_pdev)->driver_data) - -struct fimc_lite_events { - unsigned int data_overflow; -}; - -#define FLITE_MAX_PLANES 1 - -/** - * struct flite_frame - source/target frame properties - * @f_width: full pixel width - * @f_height: full pixel height - * @rect: crop/composition rectangle - */ -struct flite_frame { - u16 f_width; - u16 f_height; - struct v4l2_rect rect; -}; - -/** - * struct flite_buffer - video buffer structure - * @vb: vb2 buffer - * @list: list head for the buffers queue - * @paddr: precalculated physical address - */ -struct flite_buffer { - struct vb2_buffer vb; - struct list_head list; - dma_addr_t paddr; -}; - -/** - * struct fimc_lite - fimc lite structure - * @pdev: pointer to FIMC-LITE platform device - * @variant: variant information for this IP - * @v4l2_dev: pointer to top the level v4l2_device - * @vfd: video device node - * @fh: v4l2 file handle - * @alloc_ctx: videobuf2 memory allocator context - * @subdev: FIMC-LITE subdev - * @vd_pad: media (sink) pad for the capture video node - * @subdev_pads: the subdev media pads - * @ctrl_handler: v4l2 control handler - * @test_pattern: test pattern controls - * @index: FIMC-LITE platform device index - * @pipeline: video capture pipeline data structure - * @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 - * @fmt: pointer to color format description structure - * @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 - * @active_buf_count: number of video buffers scheduled in hardware - * @frame_count: the captured frames counter - * @reqbufs_count: the number of buffers requested with REQBUFS ioctl - * @ref_count: driver's private reference counter - */ -struct fimc_lite { - struct platform_device *pdev; - struct flite_variant *variant; - struct v4l2_device *v4l2_dev; - struct video_device *vfd; - struct v4l2_fh fh; - struct vb2_alloc_ctx *alloc_ctx; - struct v4l2_subdev subdev; - struct media_pad vd_pad; - struct media_pad subdev_pads[FLITE_SD_PADS_NUM]; - struct v4l2_ctrl_handler ctrl_handler; - struct v4l2_ctrl *test_pattern; - u32 index; - struct fimc_pipeline pipeline; - - struct mutex lock; - spinlock_t slock; - - struct clk *clock; - void __iomem *regs; - wait_queue_head_t irq_queue; - - const struct fimc_fmt *fmt; - unsigned long payload[FLITE_MAX_PLANES]; - struct flite_frame inp_frame; - struct flite_frame out_frame; - enum fimc_datapath out_path; - unsigned int source_subdev_grp_id; - - unsigned long state; - struct list_head pending_buf_q; - struct list_head active_buf_q; - struct vb2_queue vb_queue; - unsigned int frame_count; - unsigned int reqbufs_count; - int ref_count; - - struct fimc_lite_events events; -}; - -static inline bool fimc_lite_active(struct fimc_lite *fimc) -{ - unsigned long flags; - bool ret; - - spin_lock_irqsave(&fimc->slock, flags); - ret = fimc->state & (1 << ST_FLITE_RUN) || - fimc->state & (1 << ST_FLITE_PENDING); - spin_unlock_irqrestore(&fimc->slock, flags); - return ret; -} - -static inline void fimc_lite_active_queue_add(struct fimc_lite *dev, - struct flite_buffer *buf) -{ - list_add_tail(&buf->list, &dev->active_buf_q); -} - -static inline struct flite_buffer *fimc_lite_active_queue_pop( - struct fimc_lite *dev) -{ - struct flite_buffer *buf = list_entry(dev->active_buf_q.next, - struct flite_buffer, list); - list_del(&buf->list); - return buf; -} - -static inline void fimc_lite_pending_queue_add(struct fimc_lite *dev, - struct flite_buffer *buf) -{ - list_add_tail(&buf->list, &dev->pending_buf_q); -} - -static inline struct flite_buffer *fimc_lite_pending_queue_pop( - struct fimc_lite *dev) -{ - struct flite_buffer *buf = list_entry(dev->pending_buf_q.next, - struct flite_buffer, list); - list_del(&buf->list); - return buf; -} - -#endif /* FIMC_LITE_H_ */ |