diff options
Diffstat (limited to 'include/uapi/linux')
| -rw-r--r-- | include/uapi/linux/media/dreamchip/rppx1-config.h | 54 |
1 files changed, 53 insertions, 1 deletions
diff --git a/include/uapi/linux/media/dreamchip/rppx1-config.h b/include/uapi/linux/media/dreamchip/rppx1-config.h index feea30585d4c..eec8a9c50bbe 100644 --- a/include/uapi/linux/media/dreamchip/rppx1-config.h +++ b/include/uapi/linux/media/dreamchip/rppx1-config.h @@ -88,6 +88,8 @@ enum rppx1_meas_chan { * @RPPX1_PARAMS_BLOCK_TYPE_BLS_PRE1: PRE1 pipe Black Level Subtraction * @RPPX1_PARAMS_BLOCK_TYPE_BLS_PRE2: PRE2 pipe Black Level Subtraction * @RPPX1_PARAMS_BLOCK_TYPE_CCOR_POST: POST pipe Color Correction + * @RPPX1_PARAMS_BLOCK_TYPE_LSC_PRE1: PRE1 pipe Lens Shading Correction + * @RPPX1_PARAMS_BLOCK_TYPE_LSC_PRE2: PRE2 pipe Lens Shading Correction */ enum rppx1_params_block_type { RPPX1_PARAMS_BLOCK_TYPE_WBMEAS_POST, @@ -102,6 +104,8 @@ enum rppx1_params_block_type { RPPX1_PARAMS_BLOCK_TYPE_BLS_PRE1, RPPX1_PARAMS_BLOCK_TYPE_BLS_PRE2, RPPX1_PARAMS_BLOCK_TYPE_CCOR_POST, + RPPX1_PARAMS_BLOCK_TYPE_LSC_PRE1, + RPPX1_PARAMS_BLOCK_TYPE_LSC_PRE2, }; /** @@ -460,6 +464,52 @@ struct rppx1_ccor_params { __u32 offset[3]; }; +/* Lens Shade Correction */ +#define RPPX1_LSC_SAMPLES_MAX 17 +#define RPPX1_LSC_NUM_SECTORS 16 + +/** + * struct rppx1_lsc_params - Lens Shading Correction configuration + * + * The RPP-X1 Lens shading correction 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_LSC_PRE1 or + * RPPX1_PARAMS_BLOCK_TYPE_LSC_PRE2. + * + * The module applies per-color channel correction factors @r_data, @gr_data, + * @gb_data and @b_data as a 16x16 grid mapped on the image. The size of each + * grid segment is expressed by the @x_sect_size and @y_sect_size arrays. Each + * segment shall be at least 8 pixels in size and the sum of all horizontal + * segments @x_sect_size shall match the input frame size width. + * + * The correction factors values are expressed as unsigned Q2.10 integers + * ranging from 1 to 3.999. + * + * Pre-calculated interpolation factors shall be provided in the @x_grad + * and @y_grad fields, expressed as 12 bits integer values. + * + * @header: block header (type = RPPX1_PARAMS_BLOCK_TYPE_LSC) + * @r_data: correction factors for the red channel in Q2.10 format + * @gr_data: correction factors for the green (red) channel in Q2.10 format + * @gb_data: correction factors for the green (blue) channel in Q2.10 format + * @b_data: correction factors for the blue channel in Q2.10 format + * @x_grad: Interpolation gradients for each horizontal sector (12 bits) + * @y_grad: Interpolation gradients for each vertical sector (12 bits) + * @x_sect_size: Horizontal sectors sizes + * @y_sect_size: Vertical sectors sizes + */ +struct rppx1_lsc_params { + struct v4l2_isp_params_block_header header; + __u16 r_data[RPPX1_LSC_SAMPLES_MAX][RPPX1_LSC_SAMPLES_MAX]; + __u16 gr_data[RPPX1_LSC_SAMPLES_MAX][RPPX1_LSC_SAMPLES_MAX]; + __u16 gb_data[RPPX1_LSC_SAMPLES_MAX][RPPX1_LSC_SAMPLES_MAX]; + __u16 b_data[RPPX1_LSC_SAMPLES_MAX][RPPX1_LSC_SAMPLES_MAX]; + __u16 x_grad[RPPX1_LSC_NUM_SECTORS]; + __u16 y_grad[RPPX1_LSC_NUM_SECTORS]; + __u16 x_sect_size[RPPX1_LSC_NUM_SECTORS]; + __u16 y_sect_size[RPPX1_LSC_NUM_SECTORS]; +}; + /** * RPPX1_PARAMS_MAX_SIZE - Maximum size of all RPP-X1 parameter blocks * @@ -478,7 +528,9 @@ struct rppx1_ccor_params { sizeof(struct rppx1_hist_params) + \ sizeof(struct rppx1_bls_params) + \ sizeof(struct rppx1_bls_params) + \ - sizeof(struct rppx1_ccor_params)) + sizeof(struct rppx1_ccor_params) + \ + sizeof(struct rppx1_lsc_params) + \ + sizeof(struct rppx1_lsc_params)) /* --------------------------------------------------------------------------- * Statistics Structures |