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https://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>
65 lines
1.8 KiB
C
65 lines
1.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
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/*
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* RP1 PiSP Front End statistics definitions
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*
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* Copyright (C) 2021 - Raspberry Pi Ltd.
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*
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*/
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#ifndef _UAPI_PISP_FE_STATISTICS_H_
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#define _UAPI_PISP_FE_STATISTICS_H_
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#include <linux/types.h>
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#define PISP_FLOATING_STATS_NUM_ZONES 4
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#define PISP_AGC_STATS_NUM_BINS 1024
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#define PISP_AGC_STATS_SIZE 16
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#define PISP_AGC_STATS_NUM_ZONES (PISP_AGC_STATS_SIZE * PISP_AGC_STATS_SIZE)
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#define PISP_AGC_STATS_NUM_ROW_SUMS 512
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struct pisp_agc_statistics_zone {
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__u64 Y_sum;
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__u32 counted;
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__u32 pad;
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} __attribute__((packed));
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struct pisp_agc_statistics {
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__u32 row_sums[PISP_AGC_STATS_NUM_ROW_SUMS];
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/*
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* 32-bits per bin means an image (just less than) 16384x16384 pixels
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* in size can weight every pixel from 0 to 15.
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*/
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__u32 histogram[PISP_AGC_STATS_NUM_BINS];
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struct pisp_agc_statistics_zone floating[PISP_FLOATING_STATS_NUM_ZONES];
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} __attribute__((packed));
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#define PISP_AWB_STATS_SIZE 32
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#define PISP_AWB_STATS_NUM_ZONES (PISP_AWB_STATS_SIZE * PISP_AWB_STATS_SIZE)
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struct pisp_awb_statistics_zone {
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__u32 R_sum;
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__u32 G_sum;
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__u32 B_sum;
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__u32 counted;
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} __attribute__((packed));
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struct pisp_awb_statistics {
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struct pisp_awb_statistics_zone zones[PISP_AWB_STATS_NUM_ZONES];
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struct pisp_awb_statistics_zone floating[PISP_FLOATING_STATS_NUM_ZONES];
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} __attribute__((packed));
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#define PISP_CDAF_STATS_SIZE 8
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#define PISP_CDAF_STATS_NUM_FOMS (PISP_CDAF_STATS_SIZE * PISP_CDAF_STATS_SIZE)
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struct pisp_cdaf_statistics {
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__u64 foms[PISP_CDAF_STATS_NUM_FOMS];
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__u64 floating[PISP_FLOATING_STATS_NUM_ZONES];
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} __attribute__((packed));
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struct pisp_statistics {
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struct pisp_awb_statistics awb;
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struct pisp_agc_statistics agc;
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struct pisp_cdaf_statistics cdaf;
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} __attribute__((packed));
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#endif /* _UAPI_PISP_FE_STATISTICS_H_ */
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