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git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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6edb685abb
Add support for Raspberry Pi CFE. The CFE is a hardware block that
contains:
- MIPI D-PHY
- MIPI CSI-2 receiver
- Front End ISP (FE)
The driver has been upported from the Raspberry Pi kernel commit
88a681df9623 ("ARM: dts: bcm2712-rpi: Add i2c<n>_pins labels").
Co-developed-by: Naushir Patuck <naush@raspberrypi.com>
Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
53 lines
1.3 KiB
C
53 lines
1.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* PiSP Front End Driver
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*
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* Copyright (c) 2021-2024 Raspberry Pi Ltd.
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*/
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#ifndef _PISP_FE_H_
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#define _PISP_FE_H_
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#include <linux/debugfs.h>
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#include <linux/io.h>
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#include <linux/types.h>
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#include <linux/videodev2.h>
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#include <media/media-device.h>
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#include <media/v4l2-device.h>
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#include <media/v4l2-subdev.h>
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#include <linux/media/raspberrypi/pisp_fe_config.h>
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enum pisp_fe_pads {
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FE_STREAM_PAD,
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FE_CONFIG_PAD,
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FE_OUTPUT0_PAD,
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FE_OUTPUT1_PAD,
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FE_STATS_PAD,
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FE_NUM_PADS
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};
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struct pisp_fe_device {
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/* Parent V4l2 device */
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struct v4l2_device *v4l2_dev;
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void __iomem *base;
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u32 hw_revision;
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u16 inframe_count;
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struct media_pad pad[FE_NUM_PADS];
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struct v4l2_subdev sd;
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};
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void pisp_fe_isr(struct pisp_fe_device *fe, bool *sof, bool *eof);
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int pisp_fe_validate_config(struct pisp_fe_device *fe,
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struct pisp_fe_config *cfg,
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struct v4l2_format const *f0,
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struct v4l2_format const *f1);
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void pisp_fe_submit_job(struct pisp_fe_device *fe, struct vb2_buffer **vb2_bufs,
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struct pisp_fe_config *cfg);
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void pisp_fe_start(struct pisp_fe_device *fe);
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void pisp_fe_stop(struct pisp_fe_device *fe);
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int pisp_fe_init(struct pisp_fe_device *fe, struct dentry *debugfs);
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void pisp_fe_uninit(struct pisp_fe_device *fe);
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#endif
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