pisp_fe_statistics.h (1807B) - Raw
1 /* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */ 2 /* 3 * RP1 PiSP Front End statistics definitions 4 * 5 * Copyright (C) 2021 - Raspberry Pi Ltd. 6 * 7 */ 8 #ifndef _PISP_FE_STATISTICS_H_ 9 #define _PISP_FE_STATISTICS_H_ 10 11 #include <linux/types.h> 12 13 #define PISP_FLOATING_STATS_NUM_ZONES 4 14 #define PISP_AGC_STATS_NUM_BINS 1024 15 #define PISP_AGC_STATS_SIZE 16 16 #define PISP_AGC_STATS_NUM_ZONES (PISP_AGC_STATS_SIZE * PISP_AGC_STATS_SIZE) 17 #define PISP_AGC_STATS_NUM_ROW_SUMS 512 18 19 struct pisp_agc_statistics_zone { 20 __u64 Y_sum; 21 __u32 counted; 22 __u32 pad; 23 } __attribute__((packed)); 24 25 struct pisp_agc_statistics { 26 __u32 row_sums[PISP_AGC_STATS_NUM_ROW_SUMS]; 27 /* 28 * 32-bits per bin means an image (just less than) 16384x16384 pixels 29 * in size can weight every pixel from 0 to 15. 30 */ 31 __u32 histogram[PISP_AGC_STATS_NUM_BINS]; 32 struct pisp_agc_statistics_zone floating[PISP_FLOATING_STATS_NUM_ZONES]; 33 } __attribute__((packed)); 34 35 #define PISP_AWB_STATS_SIZE 32 36 #define PISP_AWB_STATS_NUM_ZONES (PISP_AWB_STATS_SIZE * PISP_AWB_STATS_SIZE) 37 38 struct pisp_awb_statistics_zone { 39 __u32 R_sum; 40 __u32 G_sum; 41 __u32 B_sum; 42 __u32 counted; 43 } __attribute__((packed)); 44 45 struct pisp_awb_statistics { 46 struct pisp_awb_statistics_zone zones[PISP_AWB_STATS_NUM_ZONES]; 47 struct pisp_awb_statistics_zone floating[PISP_FLOATING_STATS_NUM_ZONES]; 48 } __attribute__((packed)); 49 50 #define PISP_CDAF_STATS_SIZE 8 51 #define PISP_CDAF_STATS_NUM_FOMS (PISP_CDAF_STATS_SIZE * PISP_CDAF_STATS_SIZE) 52 53 struct pisp_cdaf_statistics { 54 __u64 foms[PISP_CDAF_STATS_NUM_FOMS]; 55 __u64 floating[PISP_FLOATING_STATS_NUM_ZONES]; 56 } __attribute__((packed)); 57 58 struct pisp_statistics { 59 struct pisp_awb_statistics awb; 60 struct pisp_agc_statistics agc; 61 struct pisp_cdaf_statistics cdaf; 62 } __attribute__((packed)); 63 64 #endif /* _PISP_FE_STATISTICS_H_ */