diff options
author | Mauro Carvalho Chehab <mchehab@kernel.org> | 2022-03-13 13:18:16 +0300 |
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committer | Mauro Carvalho Chehab <mchehab@kernel.org> | 2022-03-18 07:56:51 +0300 |
commit | 238c84f71120f41c45301359902a912a19370f3d (patch) | |
tree | c16ced196c926c08b0c1e9513a19710bbbfc9bfa /drivers/media/platform/exynos4-is/fimc-lite.h | |
parent | 9b18ef7c9ff408df170ac339c57a759145c055d2 (diff) | |
download | linux-238c84f71120f41c45301359902a912a19370f3d.tar.xz |
media: platform: rename exynos4-is/ to samsung/exynos4-is/
As the end goal is to have platform drivers split by vendor,
rename exynos4-is/ to samsung/exynos4-is/.
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'drivers/media/platform/exynos4-is/fimc-lite.h')
-rw-r--r-- | drivers/media/platform/exynos4-is/fimc-lite.h | 224 |
1 files changed, 0 insertions, 224 deletions
diff --git a/drivers/media/platform/exynos4-is/fimc-lite.h b/drivers/media/platform/exynos4-is/fimc-lite.h deleted file mode 100644 index ddf29e0b5b1c..000000000000 --- a/drivers/media/platform/exynos4-is/fimc-lite.h +++ /dev/null @@ -1,224 +0,0 @@ -/* 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 "exynos-fimc-lite" -#define FLITE_CLK_NAME "flite" -#define FIMC_LITE_MAX_DEVS 3 -#define FLITE_REQ_BUFS_MIN 2 -#define FLITE_DEFAULT_WIDTH 640 -#define FLITE_DEFAULT_HEIGHT 480 - -/* 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_DMA 1 -#define FLITE_SD_PAD_SOURCE_ISP 2 -#define FLITE_SD_PADS_NUM 3 - -/** - * 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 { - 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; - unsigned short max_dma_bufs; - unsigned short num_instances; -}; - -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 - * @fmt: pointer to pixel format description data structure - */ -struct flite_frame { - u16 f_width; - u16 f_height; - struct v4l2_rect rect; - const struct fimc_fmt *fmt; -}; - -/** - * 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 vb2_v4l2_buffer vb; - struct list_head list; - dma_addr_t addr; - unsigned short index; -}; - -/** - * 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 - * @pipeline: video capture pipeline data structure - * @pipeline_ops: media pipeline ops for the video node driver - * @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 - * @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 - * @events: event info - * @streaming: is streaming in progress? - */ -struct fimc_lite { - struct platform_device *pdev; - struct flite_drvdata *dd; - struct exynos_video_entity ve; - struct v4l2_device *v4l2_dev; - struct v4l2_fh fh; - struct v4l2_subdev subdev; - struct media_pad vd_pad; - struct media_pad subdev_pads[FLITE_SD_PADS_NUM]; - struct v4l2_subdev *sensor; - struct v4l2_ctrl_handler ctrl_handler; - struct v4l2_ctrl *test_pattern; - int index; - - struct mutex lock; - spinlock_t slock; - - struct clk *clock; - void __iomem *regs; - wait_queue_head_t irq_queue; - - unsigned long payload[FLITE_MAX_PLANES]; - struct flite_frame inp_frame; - struct flite_frame out_frame; - atomic_t 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 short buf_index; - unsigned int frame_count; - unsigned int reqbufs_count; - - struct fimc_lite_events events; - bool streaming; -}; - -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_ */ |