diff options
Diffstat (limited to 'include/linux/intel-ipu3.h')
| -rw-r--r-- | include/linux/intel-ipu3.h | 42 |
1 files changed, 25 insertions, 17 deletions
diff --git a/include/linux/intel-ipu3.h b/include/linux/intel-ipu3.h index f30dce43..bd771f1b 100644 --- a/include/linux/intel-ipu3.h +++ b/include/linux/intel-ipu3.h @@ -34,11 +34,17 @@ * struct ipu3_uapi_grid_config - Grid plane config * * @width: Grid horizontal dimensions, in number of grid blocks(cells). + * For AWB, the range is (16, 80). + * For AF/AE, the range is (16, 32). * @height: Grid vertical dimensions, in number of grid cells. + * For AWB, the range is (16, 60). + * For AF/AE, the range is (16, 24). * @block_width_log2: Log2 of the width of each cell in pixels. - * for (2^3, 2^4, 2^5, 2^6, 2^7), values [3, 7]. + * For AWB, the range is [3, 6]. + * For AF/AE, the range is [3, 7]. * @block_height_log2: Log2 of the height of each cell in pixels. - * for (2^3, 2^4, 2^5, 2^6, 2^7), values [3, 7]. + * For AWB, the range is [3, 6]. + * For AF/AE, the range is [3, 7]. * @height_per_slice: The number of blocks in vertical axis per slice. * Default 2. * @x_start: X value of top left corner of Region of Interest(ROI). @@ -68,21 +74,21 @@ struct ipu3_uapi_grid_config { * @R_avg: Red average in the cell. * @B_avg: Blue average in the cell. * @Gb_avg: Green average for blue lines in the cell. - * @sat_ratio: Percentage of pixels over a given threshold set in + * @sat_ratio: Percentage of pixels over the thresholds specified in * ipu3_uapi_awb_config_s, coded from 0 to 255. - * @padding0: Unused byte for padding. - * @padding1: Unused byte for padding. - * @padding2: Unused byte for padding. + * @padding0: Unused byte for padding. + * @padding1: Unused byte for padding. + * @padding2: Unused byte for padding. */ struct ipu3_uapi_awb_set_item { - unsigned char Gr_avg; - unsigned char R_avg; - unsigned char B_avg; - unsigned char Gb_avg; - unsigned char sat_ratio; - unsigned char padding0; - unsigned char padding1; - unsigned char padding2; + __u8 Gr_avg; + __u8 R_avg; + __u8 B_avg; + __u8 Gb_avg; + __u8 sat_ratio; + __u8 padding0; + __u8 padding1; + __u8 padding2; } __attribute__((packed)); /* @@ -98,7 +104,6 @@ struct ipu3_uapi_awb_set_item { (IPU3_UAPI_AWB_MAX_SETS * \ (IPU3_UAPI_AWB_SET_SIZE + IPU3_UAPI_AWB_SPARE_FOR_BUBBLES)) - /** * struct ipu3_uapi_awb_raw_buffer - AWB raw buffer * @@ -621,8 +626,11 @@ struct ipu3_uapi_stats_3a { * @b: white balance gain for B channel. * @gb: white balance gain for Gb channel. * - * Precision u3.13, range [0, 8). White balance correction is done by applying - * a multiplicative gain to each color channels prior to BNR. + * For BNR parameters WB gain factor for the three channels [Ggr, Ggb, Gb, Gr]. + * Their precision is U3.13 and the range is (0, 8) and the actual gain is + * Gx + 1, it is typically Gx = 1. + * + * Pout = {Pin * (1 + Gx)}. */ struct ipu3_uapi_bnr_static_config_wb_gains_config { __u16 gr; |