diff options
Diffstat (limited to 'include/linux/intel-ipu3.h')
| -rw-r--r-- | include/linux/intel-ipu3.h | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/include/linux/intel-ipu3.h b/include/linux/intel-ipu3.h index b18b28a0..f30dce43 100644 --- a/include/linux/intel-ipu3.h +++ b/include/linux/intel-ipu3.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0 */ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* Copyright (C) 2017 - 2018 Intel Corporation */ #ifndef __IPU3_UAPI_H @@ -9,8 +9,10 @@ /* from /drivers/staging/media/ipu3/include/videodev2.h */ /* Vendor specific - used for IPU3 camera sub-system */ -#define V4L2_META_FMT_IPU3_PARAMS v4l2_fourcc('i', 'p', '3', 'p') /* IPU3 processing parameters */ -#define V4L2_META_FMT_IPU3_STAT_3A v4l2_fourcc('i', 'p', '3', 's') /* IPU3 3A statistics */ +/* IPU3 processing parameters */ +#define V4L2_META_FMT_IPU3_PARAMS v4l2_fourcc('i', 'p', '3', 'p') +/* IPU3 3A statistics */ +#define V4L2_META_FMT_IPU3_STAT_3A v4l2_fourcc('i', 'p', '3', 's') /* from include/uapi/linux/v4l2-controls.h */ #define V4L2_CID_INTEL_IPU3_BASE (V4L2_CID_USER_BASE + 0x10c0) @@ -255,7 +257,9 @@ struct ipu3_uapi_ae_ccm { * struct ipu3_uapi_ae_config - AE config * * @grid_cfg: config for auto exposure statistics grid. See struct - * &ipu3_uapi_ae_grid_config + * &ipu3_uapi_ae_grid_config, as Imgu did not support output + * auto exposure statistics, so user can ignore this configuration + * and use the RGB table in auto-whitebalance statistics instead. * @weights: &IPU3_UAPI_AE_WEIGHTS is based on 32x24 blocks in the grid. * Each grid cell has a corresponding value in weights LUT called * grid value, global histogram is updated based on grid value and @@ -266,8 +270,8 @@ struct ipu3_uapi_ae_ccm { */ struct ipu3_uapi_ae_config { struct ipu3_uapi_ae_grid_config grid_cfg __attribute__((aligned(32))); - struct ipu3_uapi_ae_weight_elem weights[ - IPU3_UAPI_AE_WEIGHTS] __attribute__((aligned(32))); + struct ipu3_uapi_ae_weight_elem weights[IPU3_UAPI_AE_WEIGHTS] + __attribute__((aligned(32))); struct ipu3_uapi_ae_ccm ae_ccm __attribute__((aligned(32))); } __attribute__((packed)); @@ -555,6 +559,9 @@ struct ipu3_uapi_ff_status { * * @awb_raw_buffer: auto white balance meta data &ipu3_uapi_awb_raw_buffer * @ae_raw_buffer: auto exposure raw data &ipu3_uapi_ae_raw_buffer_aligned + * current Imgu does not output the auto exposure statistics + * to ae_raw_buffer, the user such as 3A algorithm can use the + * RGB table in &ipu3_uapi_awb_raw_buffer to do auto-exposure. * @af_raw_buffer: &ipu3_uapi_af_raw_buffer for auto focus meta data * @awb_fr_raw_buffer: value as specified by &ipu3_uapi_awb_fr_raw_buffer * @stats_4a_config: 4a statistics config as defined by &ipu3_uapi_4a_config. @@ -652,7 +659,7 @@ struct ipu3_uapi_bnr_static_config_wb_gains_thr_config { * @cg: Gain coefficient for threshold calculation, [0, 31], default 8. * @ci: Intensity coefficient for threshold calculation. range [0, 0x1f] * default 6. - * format: u3.2 (3 most significant bits represent whole number, + * format: u3.2 (3 most significant bits represent whole number, * 2 least significant bits represent the fractional part * with each count representing 0.25) * e.g. 6 in binary format is 00110, that translates to 1.5 |