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/linux-6.14.4/Documentation/admin-guide/media/
Draspberrypi-rp1-cfe.rst1 .. SPDX-License-Identifier: GPL-2.0
4 Raspberry Pi PiSP Camera Front End (rp1-cfe)
10 The PiSP Camera Front End (CFE) is a module which combines a CSI-2 receiver with
13 The CFE has four DMA engines and can write frames from four separate streams
14 received from the CSI-2 to the memory. One of those streams can also be routed
16 (e.g. non-scaled and downscaled versions) of the received frames to memory and
21 <https://datasheets.raspberrypi.com/camera/raspberry-pi-image-signal-processor-specification.pdf>`_,
25 The rp1-cfe driver
28 The Raspberry Pi PiSP Camera Front End (rp1-cfe) driver is located under
29 drivers/media/platform/raspberrypi/rp1-cfe. It uses the `V4L2 API` to register
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Draspberrypi-rp1-cfe.dot3 …n00000001 [label="{{<port0> 0} | csi2\n/dev/v4l-subdev0 | {<port1> 1 | <port2> 2 | <port3> 3 | <po…
4 n00000001:port1 -> n00000011 [style=dashed]
5 n00000001:port1 -> n00000007:port0
6 n00000001:port2 -> n00000015
7 n00000001:port2 -> n00000007:port0 [style=dashed]
8 n00000001:port3 -> n00000019 [style=dashed]
9 n00000001:port3 -> n00000007:port0 [style=dashed]
10 n00000001:port4 -> n0000001d [style=dashed]
11 n00000001:port4 -> n00000007:port0 [style=dashed]
12 …n00000007 [label="{{<port0> 0 | <port1> 1} | pisp-fe\n/dev/v4l-subdev1 | {<port2> 2 | <port3> 3 | …
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Dv4l-drivers.rst1 .. SPDX-License-Identifier: GPL-2.0
3 .. _uapi-v4l-drivers:
6 Video4Linux (V4L) driver-specific documentation
19 ipu6-isys
25 raspberrypi-pisp-be
26 rcar-fdp1
28 raspberrypi-rp1-cfe
/linux-6.14.4/drivers/media/platform/raspberrypi/rp1-cfe/
DMakefile1 # SPDX-License-Identifier: GPL-2.0
3 # Makefile for RP1 Camera Front End driver
5 rp1-cfe-objs := cfe.o csi2.o pisp-fe.o dphy.o
6 obj-$(CONFIG_VIDEO_RP1_CFE) += rp1-cfe.o
DKconfig1 # RP1 V4L2 camera support
4 tristate "Raspberry Pi RP1 Camera Front End (CFE) video capture driver"
12 Say Y here to enable support for the Raspberry Pi RP1 Camera Front End.
15 called rp1-cfe.
Dcfe.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * RP1 Camera Front End Driver
5 * Copyright (c) 2021-2024 Raspberry Pi Ltd.
6 * Copyright (c) 2023-2024 Ideas on Board Oy
13 #include <linux/dma-mapping.h>
30 #include <media/v4l2-async.h>
31 #include <media/v4l2-common.h>
32 #include <media/v4l2-ctrls.h>
33 #include <media/v4l2-dev.h>
34 #include <media/v4l2-device.h>
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Dcfe.h1 /* SPDX-License-Identifier: GPL-2.0 */
3 * RP1 CFE Driver
5 * Copyright (c) 2021-2024 Raspberry Pi Ltd.
6 * Copyright (c) 2023-2024 Ideas on Board Oy
11 #include <linux/media-bus-format.h>
Dcfe-trace.h1 /* SPDX-License-Identifier: GPL-2.0 */
8 #define TRACE_SYSTEM cfe
14 #include <media/videobuf2-v4l2.h>
25 __entry->node_id = node_id;
26 __entry->buf_idx = buf_idx;
27 __entry->queue_id = queue_id;
29 TP_printk("node=%u buf=%u, queue=%u", __entry->node_id,
30 __entry->buf_idx, __entry->queue_id)
41 __entry->node_id = node_id;
42 __entry->buf_idx = buf->index;
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Dcfe-fmts.h1 /* SPDX-License-Identifier: GPL-2.0 */
3 * RP1 Camera Front End formats definition
5 * Copyright (C) 2021-2024 - Raspberry Pi Ltd.
10 #include "cfe.h"
11 #include <media/mipi-csi2.h>
Dcsi2.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * RP1 CSI-2 Driver
5 * Copyright (c) 2021-2024 Raspberry Pi Ltd.
6 * Copyright (c) 2023-2024 Ideas on Board Oy
14 #include <media/videobuf2-dma-contig.h>
16 #include "cfe.h"
19 #include "cfe-trace.h"
23 MODULE_PARM_DESC(track_csi2_errors, "track csi-2 errors");
25 #define csi2_dbg(csi2, fmt, arg...) dev_dbg((csi2)->v4l2_dev->dev, fmt, ##arg)
26 #define csi2_err(csi2, fmt, arg...) dev_err((csi2)->v4l2_dev->dev, fmt, ##arg)
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/linux-6.14.4/Documentation/devicetree/bindings/media/
Draspberrypi,rp1-cfe.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/media/raspberrypi,rp1-cfe.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Tomi Valkeinen <[email protected]>
11 - Raspberry Pi Kernel Maintenance <kernel-[email protected]>
14 The Raspberry Pi PiSP Camera Front End is a module in Raspberrypi 5's RP1 I/O
16 - MIPI D-PHY
17 - MIPI CSI-2 receiver
18 - Simple image processor (called PiSP Front End, or FE)
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/linux-6.14.4/Documentation/userspace-api/media/v4l/
Dmetafmt-pisp-fe.rst1 .. SPDX-License-Identifier: GPL-2.0
3 .. _v4l2-meta-fmt-rpi-fe-cfg:
14 `rp1-cfe-fe-config` output video device node using the
18 <https://datasheets.raspberrypi.com/camera/raspberry-pi-image-signal-processor-specification.pdf>`_
22 .. _v4l2-meta-fmt-rpi-fe-stats:
32 by writing to a buffer provided via the `rp1-cfe-fe-stats` capture video device
37 <https://datasheets.raspberrypi.com/camera/raspberry-pi-image-signal-processor-specification.pdf>`_
/linux-6.14.4/drivers/media/platform/raspberrypi/
DMakefile1 # SPDX-License-Identifier: GPL-2.0
3 obj-y += pisp_be/
4 obj-y += rp1-cfe/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
6 source "drivers/media/platform/raspberrypi/rp1-cfe/Kconfig"
/linux-6.14.4/
DMAINTAINERS5 ---------------------------------------------------
21 W: *Web-page* with status/info
23 B: URI for where to file *bugs*. A web-page with detailed bug
28 patches to the given subsystem. This is either an in-tree file,
29 or a URI. See Documentation/maintainer/maintainer-entry-profile.rst
46 N: [^a-z]tegra all files whose path contains tegra
64 ----------------
83 3WARE SAS/SATA-RAID SCSI DRIVERS (3W-XXXX, 3W-9XXX, 3W-SAS)
85 L: linux-[email protected]
88 F: drivers/scsi/3w-*
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