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authorMauro Carvalho Chehab <mchehab@kernel.org>2022-03-10 16:33:16 +0100
committerMauro Carvalho Chehab <mchehab@kernel.org>2022-03-14 09:43:00 +0100
commitee4a77a32b39064fdab0aa2b36bbd35ebf57e077 (patch)
tree4bdcab833df6852513b4b43debd9f1fae11d10b2 /drivers/media/platform/rcar-vin/rcar-vin.h
parent81acf39488cfe99319b0a25f2b9a0e2e3bb40b6d (diff)
media: platform: place Renesas drivers on a separate dir
In order to cleanup the main platform media directory, move Renesas driver to its own directory. Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'drivers/media/platform/rcar-vin/rcar-vin.h')
-rw-r--r--drivers/media/platform/rcar-vin/rcar-vin.h315
1 files changed, 0 insertions, 315 deletions
diff --git a/drivers/media/platform/rcar-vin/rcar-vin.h b/drivers/media/platform/rcar-vin/rcar-vin.h
deleted file mode 100644
index 1f94589d9ef1..000000000000
--- a/drivers/media/platform/rcar-vin/rcar-vin.h
+++ /dev/null
@@ -1,315 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0+ */
-/*
- * Driver for Renesas R-Car VIN
- *
- * Copyright (C) 2016 Renesas Electronics Corp.
- * Copyright (C) 2011-2013 Renesas Solutions Corp.
- * Copyright (C) 2013 Cogent Embedded, Inc., <source@cogentembedded.com>
- * Copyright (C) 2008 Magnus Damm
- *
- * Based on the soc-camera rcar_vin driver
- */
-
-#ifndef __RCAR_VIN__
-#define __RCAR_VIN__
-
-#include <linux/kref.h>
-
-#include <media/v4l2-async.h>
-#include <media/v4l2-ctrls.h>
-#include <media/v4l2-dev.h>
-#include <media/v4l2-device.h>
-#include <media/v4l2-fwnode.h>
-#include <media/videobuf2-v4l2.h>
-
-/* Number of HW buffers */
-#define HW_BUFFER_NUM 3
-
-/* Address alignment mask for HW buffers */
-#define HW_BUFFER_MASK 0x7f
-
-/* Max number on VIN instances that can be in a system */
-#define RCAR_VIN_NUM 32
-
-struct rvin_group;
-
-enum model_id {
- RCAR_H1,
- RCAR_M1,
- RCAR_GEN2,
- RCAR_GEN3,
-};
-
-enum rvin_csi_id {
- RVIN_CSI20,
- RVIN_CSI21,
- RVIN_CSI40,
- RVIN_CSI41,
- RVIN_CSI_MAX,
-};
-
-enum rvin_isp_id {
- RVIN_ISP0,
- RVIN_ISP1,
- RVIN_ISP2,
- RVIN_ISP4,
- RVIN_ISP_MAX,
-};
-
-#define RVIN_REMOTES_MAX \
- (((unsigned int)RVIN_CSI_MAX) > ((unsigned int)RVIN_ISP_MAX) ? \
- RVIN_CSI_MAX : RVIN_ISP_MAX)
-
-/**
- * enum rvin_dma_state - DMA states
- * @STOPPED: No operation in progress
- * @STARTING: Capture starting up
- * @RUNNING: Operation in progress have buffers
- * @STOPPING: Stopping operation
- * @SUSPENDED: Capture is suspended
- */
-enum rvin_dma_state {
- STOPPED = 0,
- STARTING,
- RUNNING,
- STOPPING,
- SUSPENDED,
-};
-
-/**
- * enum rvin_buffer_type
- *
- * Describes how a buffer is given to the hardware. To be able
- * to capture SEQ_TB/BT it's needed to capture to the same vb2
- * buffer twice so the type of buffer needs to be kept.
- *
- * @FULL: One capture fills the whole vb2 buffer
- * @HALF_TOP: One capture fills the top half of the vb2 buffer
- * @HALF_BOTTOM: One capture fills the bottom half of the vb2 buffer
- */
-enum rvin_buffer_type {
- FULL,
- HALF_TOP,
- HALF_BOTTOM,
-};
-
-/**
- * struct rvin_video_format - Data format stored in memory
- * @fourcc: Pixelformat
- * @bpp: Bytes per pixel
- */
-struct rvin_video_format {
- u32 fourcc;
- u8 bpp;
-};
-
-/**
- * struct rvin_parallel_entity - Parallel video input endpoint descriptor
- * @asd: sub-device descriptor for async framework
- * @subdev: subdevice matched using async framework
- * @mbus_type: media bus type
- * @bus: media bus parallel configuration
- * @source_pad: source pad of remote subdevice
- * @sink_pad: sink pad of remote subdevice
- *
- */
-struct rvin_parallel_entity {
- struct v4l2_async_subdev *asd;
- struct v4l2_subdev *subdev;
-
- enum v4l2_mbus_type mbus_type;
- struct v4l2_mbus_config_parallel bus;
-
- unsigned int source_pad;
- unsigned int sink_pad;
-};
-
-/**
- * struct rvin_group_route - describes a route from a channel of a
- * CSI-2 receiver to a VIN
- *
- * @master: VIN group master ID.
- * @csi: CSI-2 receiver ID.
- * @chsel: CHSEL register values that connects VIN group to CSI-2.
- *
- * .. note::
- * Each R-Car CSI-2 receiver has four output channels facing the VIN
- * devices, each channel can carry one CSI-2 Virtual Channel (VC).
- * There is no correlation between channel number and CSI-2 VC. It's
- * up to the CSI-2 receiver driver to configure which VC is output
- * on which channel, the VIN devices only care about output channels.
- */
-struct rvin_group_route {
- unsigned int master;
- enum rvin_csi_id csi;
- unsigned int chsel;
-};
-
-/**
- * struct rvin_info - Information about the particular VIN implementation
- * @model: VIN model
- * @use_mc: use media controller instead of controlling subdevice
- * @use_isp: the VIN is connected to the ISP and not to the CSI-2
- * @nv12: support outputing NV12 pixel format
- * @max_width: max input width the VIN supports
- * @max_height: max input height the VIN supports
- * @routes: list of possible routes from the CSI-2 recivers to
- * all VINs. The list mush be NULL terminated.
- */
-struct rvin_info {
- enum model_id model;
- bool use_mc;
- bool use_isp;
- bool nv12;
-
- unsigned int max_width;
- unsigned int max_height;
- const struct rvin_group_route *routes;
-};
-
-/**
- * struct rvin_dev - Renesas VIN device structure
- * @dev: (OF) device
- * @base: device I/O register space remapped to virtual memory
- * @info: info about VIN instance
- *
- * @vdev: V4L2 video device associated with VIN
- * @v4l2_dev: V4L2 device
- * @ctrl_handler: V4L2 control handler
- * @notifier: V4L2 asynchronous subdevs notifier
- *
- * @parallel: parallel input subdevice descriptor
- *
- * @group: Gen3 CSI group
- * @id: Gen3 group id for this VIN
- * @pad: media pad for the video device entity
- *
- * @lock: protects @queue
- * @queue: vb2 buffers queue
- * @scratch: cpu address for scratch buffer
- * @scratch_phys: physical address of the scratch buffer
- *
- * @qlock: protects @buf_hw, @buf_list, @sequence and @state
- * @buf_hw: Keeps track of buffers given to HW slot
- * @buf_list: list of queued buffers
- * @sequence: V4L2 buffers sequence number
- * @state: keeps track of operation state
- *
- * @is_csi: flag to mark the VIN as using a CSI-2 subdevice
- * @chsel: Cached value of the current CSI-2 channel selection
- *
- * @mbus_code: media bus format code
- * @format: active V4L2 pixel format
- *
- * @crop: active cropping
- * @compose: active composing
- * @src_rect: active size of the video source
- * @std: active video standard of the video source
- *
- * @alpha: Alpha component to fill in for supported pixel formats
- */
-struct rvin_dev {
- struct device *dev;
- void __iomem *base;
- const struct rvin_info *info;
-
- struct video_device vdev;
- struct v4l2_device v4l2_dev;
- struct v4l2_ctrl_handler ctrl_handler;
- struct v4l2_async_notifier notifier;
-
- struct rvin_parallel_entity parallel;
-
- struct rvin_group *group;
- unsigned int id;
- struct media_pad pad;
-
- struct mutex lock;
- struct vb2_queue queue;
- void *scratch;
- dma_addr_t scratch_phys;
-
- spinlock_t qlock;
- struct {
- struct vb2_v4l2_buffer *buffer;
- enum rvin_buffer_type type;
- dma_addr_t phys;
- } buf_hw[HW_BUFFER_NUM];
- struct list_head buf_list;
- unsigned int sequence;
- enum rvin_dma_state state;
-
- bool is_csi;
- unsigned int chsel;
-
- u32 mbus_code;
- struct v4l2_pix_format format;
-
- struct v4l2_rect crop;
- struct v4l2_rect compose;
- struct v4l2_rect src_rect;
- v4l2_std_id std;
-
- unsigned int alpha;
-};
-
-#define vin_to_source(vin) ((vin)->parallel.subdev)
-
-/* Debug */
-#define vin_dbg(d, fmt, arg...) dev_dbg(d->dev, fmt, ##arg)
-#define vin_info(d, fmt, arg...) dev_info(d->dev, fmt, ##arg)
-#define vin_warn(d, fmt, arg...) dev_warn(d->dev, fmt, ##arg)
-#define vin_err(d, fmt, arg...) dev_err(d->dev, fmt, ##arg)
-
-/**
- * struct rvin_group - VIN CSI2 group information
- * @refcount: number of VIN instances using the group
- *
- * @mdev: media device which represents the group
- *
- * @lock: protects the count, notifier, vin and csi members
- * @count: number of enabled VIN instances found in DT
- * @notifier: group notifier for CSI-2 async subdevices
- * @vin: VIN instances which are part of the group
- * @link_setup: Callback to create all links for the media graph
- * @remotes: array of pairs of fwnode and subdev pointers
- * to all remote subdevices.
- */
-struct rvin_group {
- struct kref refcount;
-
- struct media_device mdev;
-
- struct mutex lock;
- unsigned int count;
- struct v4l2_async_notifier notifier;
- struct rvin_dev *vin[RCAR_VIN_NUM];
-
- int (*link_setup)(struct rvin_dev *vin);
-
- struct {
- struct v4l2_async_subdev *asd;
- struct v4l2_subdev *subdev;
- } remotes[RVIN_REMOTES_MAX];
-};
-
-int rvin_dma_register(struct rvin_dev *vin, int irq);
-void rvin_dma_unregister(struct rvin_dev *vin);
-
-int rvin_v4l2_register(struct rvin_dev *vin);
-void rvin_v4l2_unregister(struct rvin_dev *vin);
-
-const struct rvin_video_format *rvin_format_from_pixel(struct rvin_dev *vin,
- u32 pixelformat);
-
-
-/* Cropping, composing and scaling */
-void rvin_crop_scale_comp(struct rvin_dev *vin);
-
-int rvin_set_channel_routing(struct rvin_dev *vin, u8 chsel);
-void rvin_set_alpha(struct rvin_dev *vin, unsigned int alpha);
-
-int rvin_start_streaming(struct rvin_dev *vin);
-void rvin_stop_streaming(struct rvin_dev *vin);
-
-#endif