diff options
Diffstat (limited to 'drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/eed1_8/ia_css_eed1_8.host.c')
| -rw-r--r-- | drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/eed1_8/ia_css_eed1_8.host.c | 329 |
1 files changed, 0 insertions, 329 deletions
diff --git a/drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/eed1_8/ia_css_eed1_8.host.c b/drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/eed1_8/ia_css_eed1_8.host.c deleted file mode 100644 index 8f2178bf9e68..000000000000 --- a/drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/eed1_8/ia_css_eed1_8.host.c +++ /dev/null @@ -1,329 +0,0 @@ -/* - * 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_NO_DEBUG -#include "ia_css_debug.h" -#endif - -#include "type_support.h" -#include "assert_support.h" -#include "math_support.h" /* for min and max */ - -#include "ia_css_eed1_8.host.h" - -/* WARNING1: Number of inv points should be less or equal to 16, - * due to implementation limitation. See kernel design document - * for more details. - * WARNING2: Do not modify the number of inv points without correcting - * the EED1_8 kernel implementation assumptions. - */ -#define NUMBER_OF_CHGRINV_POINTS 15 -#define NUMBER_OF_TCINV_POINTS 9 -#define NUMBER_OF_FCINV_POINTS 9 - -static const int16_t chgrinv_x[NUMBER_OF_CHGRINV_POINTS] = { -0, 16, 64, 144, 272, 448, 672, 976, -1376, 1888, 2528, 3312, 4256, 5376, 6688}; - -static const int16_t chgrinv_a[NUMBER_OF_CHGRINV_POINTS] = { --7171, -256, -29, -3456, -1071, -475, -189, -102, --48, -38, -10, -9, -7, -6, 0}; - -static const int16_t chgrinv_b[NUMBER_OF_CHGRINV_POINTS] = { -8191, 1021, 256, 114, 60, 37, 24, 17, -12, 9, 6, 5, 4, 3, 2}; - -static const int16_t chgrinv_c[NUMBER_OF_CHGRINV_POINTS] = { -1, 1, 1, 0, 0, 0, 0, 0, -0, 0, 0, 0, 0, 0, 0}; - -static const int16_t tcinv_x[NUMBER_OF_TCINV_POINTS] = { -0, 4, 11, 23, 42, 68, 102, 148, 205}; - -static const int16_t tcinv_a[NUMBER_OF_TCINV_POINTS] = { --6364, -631, -126, -34, -13, -6, -4452, -2156, 0}; - -static const int16_t tcinv_b[NUMBER_OF_TCINV_POINTS] = { -8191, 1828, 726, 352, 197, 121, 80, 55, 40}; - -static const int16_t tcinv_c[NUMBER_OF_TCINV_POINTS] = { -1, 1, 1, 1, 1, 1, 0, 0, 0}; - -static const int16_t fcinv_x[NUMBER_OF_FCINV_POINTS] = { -0, 80, 216, 456, 824, 1344, 2040, 2952, 4096}; - -static const int16_t fcinv_a[NUMBER_OF_FCINV_POINTS] = { --5244, -486, -86, -2849, -961, -400, -180, -86, 0}; - -static const int16_t fcinv_b[NUMBER_OF_FCINV_POINTS] = { -8191, 1637, 607, 287, 159, 98, 64, 44, 32}; - -static const int16_t fcinv_c[NUMBER_OF_FCINV_POINTS] = { -1, 1, 1, 0, 0, 0, 0, 0, 0}; - - -void -ia_css_eed1_8_vmem_encode( - struct eed1_8_vmem_params *to, - const struct ia_css_eed1_8_config *from, - size_t size) -{ - unsigned i, j, base; - const unsigned total_blocks = 4; - const unsigned shuffle_block = 16; - - (void)size; - - /* Init */ - for (i = 0; i < ISP_VEC_NELEMS; i++) { - to->e_dew_enh_x[0][i] = 0; - to->e_dew_enh_y[0][i] = 0; - to->e_dew_enh_a[0][i] = 0; - to->e_dew_enh_f[0][i] = 0; - to->chgrinv_x[0][i] = 0; - to->chgrinv_a[0][i] = 0; - to->chgrinv_b[0][i] = 0; - to->chgrinv_c[0][i] = 0; - to->tcinv_x[0][i] = 0; - to->tcinv_a[0][i] = 0; - to->tcinv_b[0][i] = 0; - to->tcinv_c[0][i] = 0; - to->fcinv_x[0][i] = 0; - to->fcinv_a[0][i] = 0; - to->fcinv_b[0][i] = 0; - to->fcinv_c[0][i] = 0; - } - - /* Constraints on dew_enhance_seg_x and dew_enhance_seg_y: - * - values should be greater or equal to 0. - * - values should be ascending. - * - value of index zero is equal to 0. - */ - - /* Checking constraints: */ - /* TODO: investigate if an assert is the right way to report that - * the constraints are violated. - */ - for (j = 0; j < IA_CSS_NUMBER_OF_DEW_ENHANCE_SEGMENTS; j++) { - assert(from->dew_enhance_seg_x[j] > -1); - assert(from->dew_enhance_seg_y[j] > -1); - } - - for (j = 1; j < IA_CSS_NUMBER_OF_DEW_ENHANCE_SEGMENTS; j++) { - assert(from->dew_enhance_seg_x[j] > from->dew_enhance_seg_x[j-1]); - assert(from->dew_enhance_seg_y[j] > from->dew_enhance_seg_y[j-1]); - } - - assert(from->dew_enhance_seg_x[0] == 0); - assert(from->dew_enhance_seg_y[0] == 0); - - /* Constraints on chgrinv_x, tcinv_x and fcinv_x: - * - values should be greater or equal to 0. - * - values should be ascending. - * - value of index zero is equal to 0. - */ - assert(chgrinv_x[0] == 0); - assert(tcinv_x[0] == 0); - assert(fcinv_x[0] == 0); - - for (j = 1; j < NUMBER_OF_CHGRINV_POINTS; j++) { - assert(chgrinv_x[j] > chgrinv_x[j-1]); - } - - for (j = 1; j < NUMBER_OF_TCINV_POINTS; j++) { - assert(tcinv_x[j] > tcinv_x[j-1]); - } - - for (j = 1; j < NUMBER_OF_FCINV_POINTS; j++) { - assert(fcinv_x[j] > fcinv_x[j-1]); - } - - /* The implementation of the calulating 1/x is based on the availability - * of the OP_vec_shuffle16 operation. - * A 64 element vector is split up in 4 blocks of 16 element. Each array is copied to - * a vector 4 times, (starting at 0, 16, 32 and 48). All array elements are copied or - * initialised as described in the KFS. The remaining elements of a vector are set to 0. - */ - /* TODO: guard this code with above assumptions */ - for(i = 0; i < total_blocks; i++) { - base = shuffle_block * i; - - for (j = 0; j < IA_CSS_NUMBER_OF_DEW_ENHANCE_SEGMENTS; j++) { - to->e_dew_enh_x[0][base + j] = min_t(int, max_t(int, - from->dew_enhance_seg_x[j], 0), - 8191); - to->e_dew_enh_y[0][base + j] = min_t(int, max_t(int, - from->dew_enhance_seg_y[j], -8192), - 8191); - } - - for (j = 0; j < (IA_CSS_NUMBER_OF_DEW_ENHANCE_SEGMENTS - 1); j++) { - to->e_dew_enh_a[0][base + j] = min_t(int, max_t(int, - from->dew_enhance_seg_slope[j], - -8192), 8191); - /* Convert dew_enhance_seg_exp to flag: - * 0 -> 0 - * 1...13 -> 1 - */ - to->e_dew_enh_f[0][base + j] = (min_t(int, max_t(int, - from->dew_enhance_seg_exp[j], - 0), 13) > 0); - } - - /* Hard-coded to 0, in order to be able to handle out of - * range input in the same way as the other segments. - * See KFS for more details. - */ - to->e_dew_enh_a[0][base + (IA_CSS_NUMBER_OF_DEW_ENHANCE_SEGMENTS - 1)] = 0; - to->e_dew_enh_f[0][base + (IA_CSS_NUMBER_OF_DEW_ENHANCE_SEGMENTS - 1)] = 0; - - for (j = 0; j < NUMBER_OF_CHGRINV_POINTS; j++) { - to->chgrinv_x[0][base + j] = chgrinv_x[j]; - to->chgrinv_a[0][base + j] = chgrinv_a[j]; - to->chgrinv_b[0][base + j] = chgrinv_b[j]; - to->chgrinv_c[0][base + j] = chgrinv_c[j]; - } - - for (j = 0; j < NUMBER_OF_TCINV_POINTS; j++) { - to->tcinv_x[0][base + j] = tcinv_x[j]; - to->tcinv_a[0][base + j] = tcinv_a[j]; - to->tcinv_b[0][base + j] = tcinv_b[j]; - to->tcinv_c[0][base + j] = tcinv_c[j]; - } - - for (j = 0; j < NUMBER_OF_FCINV_POINTS; j++) { - to->fcinv_x[0][base + j] = fcinv_x[j]; - to->fcinv_a[0][base + j] = fcinv_a[j]; - to->fcinv_b[0][base + j] = fcinv_b[j]; - to->fcinv_c[0][base + j] = fcinv_c[j]; - } - } -} - - -void -ia_css_eed1_8_encode( - struct eed1_8_dmem_params *to, - const struct ia_css_eed1_8_config *from, - size_t size) -{ - int i; - int min_exp = 0; - - (void)size; - - to->rbzp_strength = from->rbzp_strength; - - to->fcstrength = from->fcstrength; - to->fcthres_0 = from->fcthres_0; - to->fc_sat_coef = from->fc_sat_coef; - to->fc_coring_prm = from->fc_coring_prm; - to->fc_slope = from->fcthres_1 - from->fcthres_0; - - to->aerel_thres0 = from->aerel_thres0; - to->aerel_gain0 = from->aerel_gain0; - to->aerel_thres_diff = from->aerel_thres1 - from->aerel_thres0; - to->aerel_gain_diff = from->aerel_gain1 - from->aerel_gain0; - - to->derel_thres0 = from->derel_thres0; - to->derel_gain0 = from->derel_gain0; - to->derel_thres_diff = (from->derel_thres1 - from->derel_thres0); - to->derel_gain_diff = (from->derel_gain1 - from->derel_gain0); - - to->coring_pos0 = from->coring_pos0; - to->coring_pos_diff = (from->coring_pos1 - from->coring_pos0); - to->coring_neg0 = from->coring_neg0; - to->coring_neg_diff = (from->coring_neg1 - from->coring_neg0); - - /* Note: (ISP_VEC_ELEMBITS -1) - * TODO: currently the testbench does not support to use - * ISP_VEC_ELEMBITS. Investigate how to fix this - */ - to->gain_exp = (13 - from->gain_exp); - to->gain_pos0 = from->gain_pos0; - to->gain_pos_diff = (from->gain_pos1 - from->gain_pos0); - to->gain_neg0 = from->gain_neg0; - to->gain_neg_diff = (from->gain_neg1 - from->gain_neg0); - - to->margin_pos0 = from->pos_margin0; - to->margin_pos_diff = (from->pos_margin1 - from->pos_margin0); - to->margin_neg0 = from->neg_margin0; - to->margin_neg_diff = (from->neg_margin1 - from->neg_margin0); - - /* Encode DEWEnhance exp (e_dew_enh_asr) */ - for (i = 0; i < (IA_CSS_NUMBER_OF_DEW_ENHANCE_SEGMENTS - 1); i++) { - min_exp = max(min_exp, from->dew_enhance_seg_exp[i]); - } - to->e_dew_enh_asr = 13 - min(max(min_exp, 0), 13); - - to->dedgew_max = from->dedgew_max; -} - - -void -ia_css_init_eed1_8_state( - void *state, - size_t size) -{ - memset(state, 0, size); -} - - -#ifndef IA_CSS_NO_DEBUG -void -ia_css_eed1_8_debug_dtrace( - const struct ia_css_eed1_8_config *eed, - unsigned level) -{ - if (!eed) - return; - - ia_css_debug_dtrace(level, "Edge Enhancing Demosaic 1.8:\n"); - ia_css_debug_dtrace(level, "\t%-32s = %d\n", "rbzp_strength", eed->rbzp_strength); - ia_css_debug_dtrace(level, "\t%-32s = %d\n", "fcstrength", eed->fcstrength); - ia_css_debug_dtrace(level, "\t%-32s = %d\n", "fcthres_0", eed->fcthres_0); - ia_css_debug_dtrace(level, "\t%-32s = %d\n", "fcthres_1", eed->fcthres_1); - ia_css_debug_dtrace(level, "\t%-32s = %d\n", "fc_sat_coef", eed->fc_sat_coef); - ia_css_debug_dtrace(level, "\t%-32s = %d\n", "fc_coring_prm", eed->fc_coring_prm); - - ia_css_debug_dtrace(level, "\t%-32s = %d\n", "aerel_thres0", eed->aerel_thres0); - ia_css_debug_dtrace(level, "\t%-32s = %d\n", "aerel_gain0", eed->aerel_gain0); - ia_css_debug_dtrace(level, "\t%-32s = %d\n", "aerel_thres1", eed->aerel_thres1); - ia_css_debug_dtrace(level, "\t%-32s = %d\n", "aerel_gain1", eed->aerel_gain1); - - ia_css_debug_dtrace(level, "\t%-32s = %d\n", "derel_thres0", eed->derel_thres0); - ia_css_debug_dtrace(level, "\t%-32s = %d\n", "derel_gain0", eed->derel_gain0); - ia_css_debug_dtrace(level, "\t%-32s = %d\n", "derel_thres1", eed->derel_thres1); - ia_css_debug_dtrace(level, "\t%-32s = %d\n", "derel_gain1", eed->derel_gain1); - - ia_css_debug_dtrace(level, "\t%-32s = %d\n", "coring_pos0", eed->coring_pos0); - ia_css_debug_dtrace(level, "\t%-32s = %d\n", "coring_pos1", eed->coring_pos1); - ia_css_debug_dtrace(level, "\t%-32s = %d\n", "coring_neg0", eed->coring_neg0); - ia_css_debug_dtrace(level, "\t%-32s = %d\n", "coring_neg1", eed->coring_neg1); - - ia_css_debug_dtrace(level, "\t%-32s = %d\n", "gain_exp", eed->gain_exp); - ia_css_debug_dtrace(level, "\t%-32s = %d\n", "gain_pos0", eed->gain_pos0); - ia_css_debug_dtrace(level, "\t%-32s = %d\n", "gain_pos1", eed->gain_pos1); - ia_css_debug_dtrace(level, "\t%-32s = %d\n", "gain_neg0", eed->gain_neg0); - ia_css_debug_dtrace(level, "\t%-32s = %d\n", "gain_neg1", eed->gain_neg1); - - ia_css_debug_dtrace(level, "\t%-32s = %d\n", "pos_margin0", eed->pos_margin0); - ia_css_debug_dtrace(level, "\t%-32s = %d\n", "pos_margin1", eed->pos_margin1); - ia_css_debug_dtrace(level, "\t%-32s = %d\n", "neg_margin0", eed->neg_margin0); - ia_css_debug_dtrace(level, "\t%-32s = %d\n", "neg_margin1", eed->neg_margin1); - - ia_css_debug_dtrace(level, "\t%-32s = %d\n", "dedgew_max", eed->dedgew_max); -} -#endif - |