diff options
Diffstat (limited to 'drivers/staging/media/atomisp/pci/isp/kernels/tnr')
6 files changed, 365 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/pci/isp/kernels/tnr/tnr3/ia_css_tnr3_types.h b/drivers/staging/media/atomisp/pci/isp/kernels/tnr/tnr3/ia_css_tnr3_types.h new file mode 100644 index 000000000..4b53fddfc --- /dev/null +++ b/drivers/staging/media/atomisp/pci/isp/kernels/tnr/tnr3/ia_css_tnr3_types.h @@ -0,0 +1,64 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/** +Support for Intel Camera Imaging ISP subsystem. +Copyright (c) 2010 - 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_TNR3_TYPES_H +#define _IA_CSS_TNR3_TYPES_H + +/* @file +* CSS-API header file for Temporal Noise Reduction v3 (TNR3) kernel +*/ + +/** + * \brief Number of piecewise linear segments. + * \details The parameters to TNR3 are specified as a piecewise linear segment. + * The number of such segments is fixed at 3. + */ +#define TNR3_NUM_SEGMENTS 3 + +/* Temporal Noise Reduction v3 (TNR3) configuration. + * The parameter to this kernel is fourfold + * 1. Three piecewise linear graphs (one for each plane) with three segments + * each. Each line graph has Luma values on the x axis and sigma values for + * each plane on the y axis. The three linear segments may have a different + * slope and the point of Luma value which where the slope may change is called + * a "Knee" point. As there are three such segments, four points need to be + * specified each on the Luma axis and the per plane Sigma axis. On the Luma + * axis two points are fixed (namely 0 and maximum luma value - depending on + * ISP bit depth). The other two points are the points where the slope may + * change its value. These two points are called knee points. The four points on + * the per plane sigma axis are also specified at the interface. + * 2. One rounding adjustment parameter for each plane + * 3. One maximum feedback threshold value for each plane + * 4. Selection of the reference frame buffer to be used for noise reduction. + */ +struct ia_css_tnr3_kernel_config { + unsigned int maxfb_y; /** Maximum Feedback Gain for Y */ + unsigned int maxfb_u; /** Maximum Feedback Gain for U */ + unsigned int maxfb_v; /** Maximum Feedback Gain for V */ + unsigned int round_adj_y; /** Rounding Adjust for Y */ + unsigned int round_adj_u; /** Rounding Adjust for U */ + unsigned int round_adj_v; /** Rounding Adjust for V */ + unsigned int knee_y[TNR3_NUM_SEGMENTS - 1]; /** Knee points */ + unsigned int sigma_y[TNR3_NUM_SEGMENTS + + 1]; /** Standard deviation for Y at points Y0, Y1, Y2, Y3 */ + unsigned int sigma_u[TNR3_NUM_SEGMENTS + + 1]; /** Standard deviation for U at points U0, U1, U2, U3 */ + unsigned int sigma_v[TNR3_NUM_SEGMENTS + + 1]; /** Standard deviation for V at points V0, V1, V2, V3 */ + unsigned int + ref_buf_select; /** Selection of the reference buffer */ +}; + +#endif diff --git a/drivers/staging/media/atomisp/pci/isp/kernels/tnr/tnr_1.0/ia_css_tnr.host.c b/drivers/staging/media/atomisp/pci/isp/kernels/tnr/tnr_1.0/ia_css_tnr.host.c new file mode 100644 index 000000000..53050c0c4 --- /dev/null +++ b/drivers/staging/media/atomisp/pci/isp/kernels/tnr/tnr_1.0/ia_css_tnr.host.c @@ -0,0 +1,122 @@ +// 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. + */ + +#include "ia_css_types.h" +#include "ia_css_frame.h" +#include "sh_css_defs.h" +#include "ia_css_debug.h" +#include "sh_css_frac.h" +#include "assert_support.h" +#define IA_CSS_INCLUDE_CONFIGURATIONS +#include "ia_css_isp_configs.h" +#include "isp.h" + +#include "ia_css_tnr.host.h" +const struct ia_css_tnr_config default_tnr_config = { + 32768, + 32, + 32, +}; + +void +ia_css_tnr_encode( + struct sh_css_isp_tnr_params *to, + const struct ia_css_tnr_config *from, + unsigned int size) +{ + (void)size; + to->coef = + uDIGIT_FITTING(from->gain, 16, SH_CSS_TNR_COEF_SHIFT); + to->threshold_Y = + uDIGIT_FITTING(from->threshold_y, 16, SH_CSS_ISP_YUV_BITS); + to->threshold_C = + uDIGIT_FITTING(from->threshold_uv, 16, SH_CSS_ISP_YUV_BITS); +} + +void +ia_css_tnr_dump( + const struct sh_css_isp_tnr_params *tnr, + unsigned int level) +{ + if (!tnr) return; + ia_css_debug_dtrace(level, "Temporal Noise Reduction:\n"); + ia_css_debug_dtrace(level, "\t%-32s = %d\n", + "tnr_coef", tnr->coef); + ia_css_debug_dtrace(level, "\t%-32s = %d\n", + "tnr_threshold_Y", tnr->threshold_Y); + ia_css_debug_dtrace(level, "\t%-32s = %d\n", + "tnr_threshold_C", tnr->threshold_C); +} + +void +ia_css_tnr_debug_dtrace( + const struct ia_css_tnr_config *config, + unsigned int level) +{ + ia_css_debug_dtrace(level, + "config.gain=%d, config.threshold_y=%d, config.threshold_uv=%d\n", + config->gain, + config->threshold_y, config->threshold_uv); +} + +int ia_css_tnr_config(struct sh_css_isp_tnr_isp_config *to, + const struct ia_css_tnr_configuration *from, + unsigned int size) +{ + unsigned int elems_a = ISP_VEC_NELEMS; + unsigned int i; + int ret; + + ret = ia_css_dma_configure_from_info(&to->port_b, &from->tnr_frames[0]->info); + if (ret) + return ret; + to->width_a_over_b = elems_a / to->port_b.elems; + to->frame_height = from->tnr_frames[0]->info.res.height; + for (i = 0; i < NUM_VIDEO_TNR_FRAMES; i++) { + to->tnr_frame_addr[i] = from->tnr_frames[i]->data + + from->tnr_frames[i]->planes.yuyv.offset; + } + + /* Assume divisiblity here, may need to generalize to fixed point. */ + if (elems_a % to->port_b.elems != 0) + return -EINVAL; + + return 0; +} + +int ia_css_tnr_configure(const struct ia_css_binary *binary, + const struct ia_css_frame * const *frames) +{ + struct ia_css_tnr_configuration config; + unsigned int i; + + for (i = 0; i < NUM_VIDEO_TNR_FRAMES; i++) + config.tnr_frames[i] = frames[i]; + + return ia_css_configure_tnr(binary, &config); +} + +void +ia_css_init_tnr_state( + struct sh_css_isp_tnr_dmem_state *state, + size_t size) +{ + (void)size; + + assert(NUM_VIDEO_TNR_FRAMES >= 2); + assert(sizeof(*state) == size); + state->tnr_in_buf_idx = 0; + state->tnr_out_buf_idx = 1; +} diff --git a/drivers/staging/media/atomisp/pci/isp/kernels/tnr/tnr_1.0/ia_css_tnr.host.h b/drivers/staging/media/atomisp/pci/isp/kernels/tnr/tnr_1.0/ia_css_tnr.host.h new file mode 100644 index 000000000..acf92052b --- /dev/null +++ b/drivers/staging/media/atomisp/pci/isp/kernels/tnr/tnr_1.0/ia_css_tnr.host.h @@ -0,0 +1,53 @@ +/* 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_HOST_H +#define __IA_CSS_TNR_HOST_H + +#include "ia_css_binary.h" +#include "ia_css_tnr_state.h" +#include "ia_css_tnr_types.h" +#include "ia_css_tnr_param.h" + +extern const struct ia_css_tnr_config default_tnr_config; + +void +ia_css_tnr_encode( + struct sh_css_isp_tnr_params *to, + const struct ia_css_tnr_config *from, + unsigned int size); + +void +ia_css_tnr_dump( + const struct sh_css_isp_tnr_params *tnr, + unsigned int level); + +void +ia_css_tnr_debug_dtrace( + const struct ia_css_tnr_config *config, + unsigned int level); + +int ia_css_tnr_config(struct sh_css_isp_tnr_isp_config *to, + const struct ia_css_tnr_configuration *from, + unsigned int size); + +int ia_css_tnr_configure(const struct ia_css_binary *binary, + const struct ia_css_frame * const *frames); + +void +ia_css_init_tnr_state( + struct sh_css_isp_tnr_dmem_state *state, + size_t size); +#endif /* __IA_CSS_TNR_HOST_H */ diff --git a/drivers/staging/media/atomisp/pci/isp/kernels/tnr/tnr_1.0/ia_css_tnr_param.h b/drivers/staging/media/atomisp/pci/isp/kernels/tnr/tnr_1.0/ia_css_tnr_param.h new file mode 100644 index 000000000..551dd5cfa --- /dev/null +++ b/drivers/staging/media/atomisp/pci/isp/kernels/tnr/tnr_1.0/ia_css_tnr_param.h @@ -0,0 +1,41 @@ +/* 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_PARAM_H +#define __IA_CSS_TNR_PARAM_H + +#include "type_support.h" +#include "sh_css_defs.h" +#include "dma.h" + +/* TNR (Temporal Noise Reduction) */ +struct sh_css_isp_tnr_params { + s32 coef; + s32 threshold_Y; + s32 threshold_C; +}; + +struct ia_css_tnr_configuration { + const struct ia_css_frame *tnr_frames[NUM_VIDEO_TNR_FRAMES]; +}; + +struct sh_css_isp_tnr_isp_config { + u32 width_a_over_b; + u32 frame_height; + struct dma_port_config port_b; + ia_css_ptr tnr_frame_addr[NUM_VIDEO_TNR_FRAMES]; +}; + +#endif /* __IA_CSS_TNR_PARAM_H */ diff --git a/drivers/staging/media/atomisp/pci/isp/kernels/tnr/tnr_1.0/ia_css_tnr_state.h b/drivers/staging/media/atomisp/pci/isp/kernels/tnr/tnr_1.0/ia_css_tnr_state.h new file mode 100644 index 000000000..d57238423 --- /dev/null +++ b/drivers/staging/media/atomisp/pci/isp/kernels/tnr/tnr_1.0/ia_css_tnr_state.h @@ -0,0 +1,27 @@ +/* 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_STATE_H +#define __IA_CSS_TNR_STATE_H + +#include "type_support.h" + +/* TNR (temporal noise reduction) */ +struct sh_css_isp_tnr_dmem_state { + u32 tnr_in_buf_idx; + u32 tnr_out_buf_idx; +}; + +#endif /* __IA_CSS_TNR_STATE_H */ 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 */ |