diff options
Diffstat (limited to 'include/uapi')
| -rw-r--r-- | include/uapi/linux/media/dreamchip/rppx1-config.h | 107 |
1 files changed, 106 insertions, 1 deletions
diff --git a/include/uapi/linux/media/dreamchip/rppx1-config.h b/include/uapi/linux/media/dreamchip/rppx1-config.h index 934e18731b08..0049977870ad 100644 --- a/include/uapi/linux/media/dreamchip/rppx1-config.h +++ b/include/uapi/linux/media/dreamchip/rppx1-config.h @@ -85,6 +85,8 @@ enum rppx1_meas_chan { * @RPPX1_PARAMS_BLOCK_TYPE_HIST_PRE1: PRE1 pipe Histogram Measurement * @RPPX1_PARAMS_BLOCK_TYPE_HIST_PRE2: PRE2 pipe Histogram Measurement * @RPPX1_PARAMS_BLOCK_TYPE_HIST_POST: POST pipe Histogram Measurement + * @RPPX1_PARAMS_BLOCK_TYPE_BLS_PRE1: PRE1 pipe Black Level Subtraction + * @RPPX1_PARAMS_BLOCK_TYPE_BLS_PRE2: PRE2 pipe Black Level Subtraction */ enum rppx1_params_block_type { RPPX1_PARAMS_BLOCK_TYPE_WBMEAS_POST, @@ -96,6 +98,8 @@ enum rppx1_params_block_type { RPPX1_PARAMS_BLOCK_TYPE_HIST_PRE1, RPPX1_PARAMS_BLOCK_TYPE_HIST_PRE2, RPPX1_PARAMS_BLOCK_TYPE_HIST_POST, + RPPX1_PARAMS_BLOCK_TYPE_BLS_PRE1, + RPPX1_PARAMS_BLOCK_TYPE_BLS_PRE2, }; /** @@ -331,6 +335,105 @@ struct rppx1_hist_params { }; /** + * struct rppx1_bls_fixed - BLS fixed subtraction values + * + * Fixed black level values subtracted from sensor data per Bayer channel. + * Negative values result in addition. + * + * The PRE1 pipe BLS module operates on a 24-bits input data and fixed black + * levels are stored as a signed 2's complement representation ranging from + * -2^24 to 2^24-1. + * + * The PRE2 pipe BLS module operates on a 12-bits input data and fixed black + * levels are stored as a signed 2's complement representation ranging from + * -2^12 to 2^12-1. + * + * Userspace is expected to provide fixed black level values with a bit-depth + * matching the one of pipe in use. + * + * These subtraction values are matched with the sensor native Bayer components + * ordering according to the cropping configuration on the input port. + * + * @a: subtraction value for channel A + * @b: subtraction value for channel B + * @c: subtraction value for channel C + * @d: subtraction value for channel D + */ +struct rppx1_bls_fixed { + __u32 a; + __u32 b; + __u32 c; + __u32 d; +}; + +/** + * enum rppx1_bls_mode - BLS subtraction mode + * + * Select if subtracted black level come from fixed or measured values. + * + * @RPPX1_BLS_MODE_FIXED: subtract fixed values + * @RPPX1_BLS_MODE_MEAS: subtract measured values + */ +enum rppx1_bls_mode { + RPPX1_BLS_MODE_FIXED, + RPPX1_BLS_MODE_MEAS, +}; + +/** + * enum rppx1_bls_win_en: BLS measurement configuration + * + * Select the measurement window to use for measured black level values. + * + * @RPPX1_BLS_WIN_EN_OFF: disable measurement + * @RPPX1_BLS_WIN_EN_WIN1: Enable measurement from window 1 + * @RPPX1_BLS_WIN_EN_WIN2: enable measurement from window 2 + * @RPPX1_BLS_WIN_EN_WIN12: enable measurement from window 1 and window 2 + */ +enum rppx1_bls_win_en { + RPPX1_BLS_WIN_EN_OFF, + RPPX1_BLS_WIN_EN_WIN1, + RPPX1_BLS_WIN_EN_WIN2, + RPPX1_BLS_WIN_EN_WIN12, +}; + +/** + * struct rppx1_bls_params - RPP-X1 Black Level Subtraction Module + * + * The RPP-X1 Black Level Subtraction module is available on the PRE1 and PRE2 + * pre-fusion pipes. Userspace selects which pipe to operate by setting the + * @header.type field to RPPX1_PARAMS_BLOCK_TYPE_BLS_PRE1 or + * RPPX1_PARAMS_BLOCK_TYPE_BLS_PRE2. + * + * The BLS module operates on fixed or measured data according to the setting of + * the @mode field. When RPPX1_BLS_MODE_FIXED is used userspace shall provide + * the per-channel black levels in @fixed. When RPPX1_BLS_MODE_MEAS is used + * userspace shall configure the measurement windows @window1 and optionally + * @window2 to select the optically black pixels region in the input frame. The + * @samples fields controls how many measure samples are used for averaging the + * measured black levels. + * + * @header: block header (type = RPPX1_PARAMS_BLOCK_TYPE_BLS_PRE1 or + * type == RPPX1_PARAMS_BLOCK_TYPE_BLS_PRE2) + * @window1: BLS measurement window 1 (14 bits) + * @window2: BLS measurement window 2 (14 bits) + * @fixed: fixed subtraction values (see enum rppx1_bls_fixed) + * @mode: BLS subtraction mode (see enum rppx1_bls_mode) + * @en_windows: BLS measurement mode (see rppx1_bls_win_en) + * @samples: log2 of the number of measured pixels per Bayer position + * @reserved: padding + */ +struct rppx1_bls_params { + struct v4l2_isp_params_block_header header; + struct rppx1_window window1; + struct rppx1_window window2; + struct rppx1_bls_fixed fixed; + __u8 mode; + __u8 en_windows; + __u8 samples; + __u8 reserved[5]; +}; + +/** * RPPX1_PARAMS_MAX_SIZE - Maximum size of all RPP-X1 parameter blocks * * Some types are reported twice as the same block might be instantiated in @@ -345,7 +448,9 @@ struct rppx1_hist_params { sizeof(struct rppx1_exm_params) + \ sizeof(struct rppx1_hist_params) + \ sizeof(struct rppx1_hist_params) + \ - sizeof(struct rppx1_hist_params)) + sizeof(struct rppx1_hist_params) + \ + sizeof(struct rppx1_bls_params) + \ + sizeof(struct rppx1_bls_params)) /* --------------------------------------------------------------------------- * Statistics Structures |