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Diffstat (limited to '')
-rw-r--r-- | drivers/staging/media/atomisp/pci/isp/kernels/tnr/tnr_1.0/ia_css_tnr_types.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/pci/isp/kernels/tnr/tnr_1.0/ia_css_tnr_types.h b/drivers/staging/media/atomisp/pci/isp/kernels/tnr/tnr_1.0/ia_css_tnr_types.h new file mode 100644 index 000000000..92dbe1389 --- /dev/null +++ b/drivers/staging/media/atomisp/pci/isp/kernels/tnr/tnr_1.0/ia_css_tnr_types.h @@ -0,0 +1,58 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Support for Intel Camera Imaging ISP subsystem. + * Copyright (c) 2015, Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + */ + +#ifndef __IA_CSS_TNR_TYPES_H +#define __IA_CSS_TNR_TYPES_H + +/* @file +* CSS-API header file for Temporal Noise Reduction (TNR) parameters. +*/ + +/* Temporal Noise Reduction (TNR) configuration. + * + * When difference between current frame and previous frame is less than or + * equal to threshold, TNR works and current frame is mixed + * with previous frame. + * When difference between current frame and previous frame is greater + * than threshold, we judge motion is detected. Then, TNR does not work and + * current frame is outputted as it is. + * Therefore, when threshold_y and threshold_uv are set as 0, TNR can be disabled. + * + * ISP block: TNR1 + * ISP1: TNR1 is used. + * ISP2: TNR1 is used. + */ + +struct ia_css_tnr_config { + ia_css_u0_16 gain; /** Interpolation ratio of current frame + and previous frame. + gain=0.0 -> previous frame is outputted. + gain=1.0 -> current frame is outputted. + u0.16, [0,65535], + default 32768(0.5), ineffective 65535(almost 1.0) */ + ia_css_u0_16 threshold_y; /** Threshold to enable interpolation of Y. + If difference between current frame and + previous frame is greater than threshold_y, + TNR for Y is disabled. + u0.16, [0,65535], default/ineffective 0 */ + ia_css_u0_16 threshold_uv; /** Threshold to enable interpolation of + U/V. + If difference between current frame and + previous frame is greater than threshold_uv, + TNR for UV is disabled. + u0.16, [0,65535], default/ineffective 0 */ +}; + +#endif /* __IA_CSS_TNR_TYPES_H */ |