libcamera/vivid.git - libcamera pipeline handler for VIVID

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Diffstat (limited to 'test/v4l2_videodevice/v4l2_m2mdevice.cpp')

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/* SPDX-License-Identifier: ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) */ /* * bcm2835-isp.h * * BCM2835 ISP driver - user space header file. * * Copyright © 2019-2020 Raspberry Pi Ltd * * Author: Naushir Patuck (naush@raspberrypi.com) * */ #ifndef __BCM2835_ISP_H_ #define __BCM2835_ISP_H_ #include <linux/v4l2-controls.h> #define V4L2_CID_USER_BCM2835_ISP_CC_MATRIX \ (V4L2_CID_USER_BCM2835_ISP_BASE + 0x0001) #define V4L2_CID_USER_BCM2835_ISP_LENS_SHADING \ (V4L2_CID_USER_BCM2835_ISP_BASE + 0x0002) #define V4L2_CID_USER_BCM2835_ISP_BLACK_LEVEL \ (V4L2_CID_USER_BCM2835_ISP_BASE + 0x0003) #define V4L2_CID_USER_BCM2835_ISP_GEQ \ (V4L2_CID_USER_BCM2835_ISP_BASE + 0x0004) #define V4L2_CID_USER_BCM2835_ISP_GAMMA \ (V4L2_CID_USER_BCM2835_ISP_BASE + 0x0005) #define V4L2_CID_USER_BCM2835_ISP_DENOISE \ (V4L2_CID_USER_BCM2835_ISP_BASE + 0x0006) #define V4L2_CID_USER_BCM2835_ISP_SHARPEN \ (V4L2_CID_USER_BCM2835_ISP_BASE + 0x0007) #define V4L2_CID_USER_BCM2835_ISP_DPC \ (V4L2_CID_USER_BCM2835_ISP_BASE + 0x0008) #define V4L2_CID_USER_BCM2835_ISP_CDN \ (V4L2_CID_USER_BCM2835_ISP_BASE + 0x0009) /* * All structs below are directly mapped onto the equivalent structs in * drivers/staging/vc04_services/vchiq-mmal/mmal-parameters.h * for convenience. */ /** * struct bcm2835_isp_rational - Rational value type. * * @num: Numerator. * @den: Denominator. */ struct bcm2835_isp_rational { __s32 num; __u32 den; }; /** * struct bcm2835_isp_ccm - Colour correction matrix. * * @ccm: 3x3 correction matrix coefficients. * @offsets: 1x3 correction offsets. */ struct bcm2835_isp_ccm { struct bcm2835_isp_rational ccm[3][3]; __s32 offsets[3]; }; /** * struct bcm2835_isp_custom_ccm - Custom CCM applied with the * V4L2_CID_USER_BCM2835_ISP_CC_MATRIX ctrl. * * @enabled: Enable custom CCM. * @ccm: Custom CCM coefficients and offsets. */ struct bcm2835_isp_custom_ccm { __u32 enabled; struct bcm2835_isp_ccm ccm; }; /** * enum bcm2835_isp_gain_format - format of the gains in the lens shading * tables used with the * V4L2_CID_USER_BCM2835_ISP_LENS_SHADING ctrl. * * @GAIN_FORMAT_U0P8_1: Gains are u0.8 format, starting at 1.0 * @GAIN_FORMAT_U1P7_0: Gains are u1.7 format, starting at 0.0 * @GAIN_FORMAT_U1P7_1: Gains are u1.7 format, starting at 1.0 * @GAIN_FORMAT_U2P6_0: Gains are u2.6 format, starting at 0.0 * @GAIN_FORMAT_U2P6_1: Gains are u2.6 format, starting at 1.0 * @GAIN_FORMAT_U3P5_0: Gains are u3.5 format, starting at 0.0 * @GAIN_FORMAT_U3P5_1: Gains are u3.5 format, starting at 1.0 * @GAIN_FORMAT_U4P10: Gains are u4.10 format, starting at 0.0 */ enum bcm2835_isp_gain_format { GAIN_FORMAT_U0P8_1 = 0, GAIN_FORMAT_U1P7_0 = 1, GAIN_FORMAT_U1P7_1 = 2, GAIN_FORMAT_U2P6_0 = 3, GAIN_FORMAT_U2P6_1 = 4, GAIN_FORMAT_U3P5_0 = 5, GAIN_FORMAT_U3P5_1 = 6, GAIN_FORMAT_U4P10 = 7, }; /** * struct bcm2835_isp_lens_shading - Lens shading tables supplied with the * V4L2_CID_USER_BCM2835_ISP_LENS_SHADING * ctrl. * * @enabled: Enable lens shading. * @grid_cell_size: Size of grid cells in samples (16, 32, 64, 128 or 256). * @grid_width: Width of lens shading tables in grid cells. * @grid_stride: Row to row distance (in grid cells) between grid cells * in the same horizontal location. * @grid_height: Height of lens shading tables in grid cells. * @dmabuf: dmabuf file handle containing the table. * @ref_transform: Reference transform - unsupported, please pass zero. * @corner_sampled: Whether the gains are sampled at the corner points * of the grid cells or in the cell centres. * @gain_format: Format of the gains (see enum &bcm2835_isp_gain_format). */ struct bcm2835_isp_lens_shading { __u32 enabled; __u32 grid_cell_size; __u32 grid_width; __u32 grid_stride; __u32 grid_height; __s32 dmabuf; __u32 ref_transform; __u32 corner_sampled; __u32 gain_format; }; /** * struct bcm2835_isp_black_level - Sensor black level set with the * V4L2_CID_USER_BCM2835_ISP_BLACK_LEVEL ctrl. * * @enabled: Enable black level. * @black_level_r: Black level for red channel. * @black_level_g: Black level for green channels. * @black_level_b: Black level for blue channel. */ struct bcm2835_isp_black_level { __u32 enabled; __u16 black_level_r; __u16 black_level_g; __u16 black_level_b; __u8 padding[2]; /* Unused */ }; /** * struct bcm2835_isp_geq - Green equalisation parameters set with the * V4L2_CID_USER_BCM2835_ISP_GEQ ctrl. * * @enabled: Enable green equalisation. * @offset: Fixed offset of the green equalisation threshold. * @slope: Slope of the green equalisation threshold. */ struct bcm2835_isp_geq { __u32 enabled; __u32 offset; struct bcm2835_isp_rational slope; }; #define BCM2835_NUM_GAMMA_PTS 33 /** * struct bcm2835_isp_gamma - Gamma parameters set with the * V4L2_CID_USER_BCM2835_ISP_GAMMA ctrl. * * @enabled: Enable gamma adjustment. * @X: X values of the points defining the gamma curve. * Values should be scaled to 16 bits. * @Y: Y values of the points defining the gamma curve. * Values should be scaled to 16 bits. */ struct bcm2835_isp_gamma { __u32 enabled; __u16 x[BCM2835_NUM_GAMMA_PTS]; __u16 y[BCM2835_NUM_GAMMA_PTS]; }; /** * enum bcm2835_isp_cdn_mode - Mode of operation for colour denoise. * * @CDN_MODE_FAST: Fast (but lower quality) colour denoise * algorithm, typically used for video recording. * @CDN_HIGH_QUALITY: High quality (but slower) colour denoise * algorithm, typically used for stills capture. */ enum bcm2835_isp_cdn_mode { CDN_MODE_FAST = 0, CDN_MODE_HIGH_QUALITY = 1, }; /** * struct bcm2835_isp_cdn - Colour denoise parameters set with the * V4L2_CID_USER_BCM2835_ISP_CDN ctrl. * * @enabled: Enable colour denoise. * @cdn_mode: Colour denoise operating mode (see enum &bcm2835_isp_cdn_mode) */ struct bcm2835_isp_cdn { __u32 enabled; __u32 mode; }; /** * struct bcm2835_isp_denoise - Denoise parameters set with the * V4L2_CID_USER_BCM2835_ISP_DENOISE ctrl. * * @enabled: Enable denoise. * @constant: Fixed offset of the noise threshold. * @slope: Slope of the noise threshold. * @strength: Denoise strength between 0.0 (off) and 1.0 (maximum). */ struct bcm2835_isp_denoise { __u32 enabled; __u32 constant; struct bcm2835_isp_rational slope; struct bcm2835_isp_rational strength; }; /** * struct bcm2835_isp_sharpen - Sharpen parameters set with the * V4L2_CID_USER_BCM2835_ISP_SHARPEN ctrl. * * @enabled: Enable sharpening. * @threshold: Threshold at which to start sharpening pixels. * @strength: Strength with which pixel sharpening increases. * @limit: Limit to the amount of sharpening applied. */ struct bcm2835_isp_sharpen { __u32 enabled; struct bcm2835_isp_rational threshold; struct bcm2835_isp_rational strength; struct bcm2835_isp_rational limit; }; /** * enum bcm2835_isp_dpc_mode - defective pixel correction (DPC) strength. * * @DPC_MODE_OFF: No DPC. * @DPC_MODE_NORMAL: Normal DPC. * @DPC_MODE_STRONG: Strong DPC. */ enum bcm2835_isp_dpc_mode { DPC_MODE_OFF = 0, DPC_MODE_NORMAL = 1, DPC_MODE_STRONG = 2, }; /** * struct bcm2835_isp_dpc - Defective pixel correction (DPC) parameters set * with the V4L2_CID_USER_BCM2835_ISP_DPC ctrl. * * @enabled: Enable DPC. * @strength: DPC strength (see enum &bcm2835_isp_dpc_mode). */ struct bcm2835_isp_dpc { __u32 enabled; __u32 strength; }; /* * ISP statistics structures. * * The bcm2835_isp_stats structure is generated at the output of the * statistics node. Note that this does not directly map onto the statistics * output of the ISP HW. Instead, the MMAL firmware code maps the HW statistics * to the bcm2835_isp_stats structure. */ #define DEFAULT_AWB_REGIONS_X 16 #define DEFAULT_AWB_REGIONS_Y 12 #define NUM_HISTOGRAMS 2 #define NUM_HISTOGRAM_BINS 128 #define AWB_REGIONS (DEFAULT_AWB_REGIONS_X * DEFAULT_AWB_REGIONS_Y) #define FLOATING_REGIONS 16 #define AGC_REGIONS 16 #define FOCUS_REGIONS 12 /** * struct bcm2835_isp_stats_hist - Histogram statistics * * @r_hist: Red channel histogram. * @g_hist: Combined green channel histogram. * @b_hist: Blue channel histogram. */ struct bcm2835_isp_stats_hist { __u32 r_hist[NUM_HISTOGRAM_BINS]; __u32 g_hist[NUM_HISTOGRAM_BINS]; __u32 b_hist[NUM_HISTOGRAM_BINS]; }; /** * struct bcm2835_isp_stats_region - Region sums. * * @counted: The number of 2x2 bayer tiles accumulated. * @notcounted: The number of 2x2 bayer tiles not accumulated.


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