diff options
Diffstat (limited to 'drivers/staging/media/atomisp/pci/isp/kernels/ctc')
13 files changed, 840 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/pci/isp/kernels/ctc/ctc1_5/ia_css_ctc1_5.host.c b/drivers/staging/media/atomisp/pci/isp/kernels/ctc/ctc1_5/ia_css_ctc1_5.host.c new file mode 100644 index 0000000000..149adbc577 --- /dev/null +++ b/drivers/staging/media/atomisp/pci/isp/kernels/ctc/ctc1_5/ia_css_ctc1_5.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 "sh_css_defs.h" +#include "ia_css_debug.h" +#include "assert_support.h" + +#include "ctc/ctc_1.0/ia_css_ctc.host.h" +#include "ia_css_ctc1_5.host.h" + +static void ctc_gradient( + int *dydx, int *shift, + int y1, int y0, int x1, int x0) +{ + int frc_bits = max(IA_CSS_CTC_COEF_SHIFT, 16); + int dy = y1 - y0; + int dx = x1 - x0; + int dydx_int; + int dydx_frc; + int sft; + /* max_dydx = the maxinum gradient = the maximum y (gain) */ + int max_dydx = (1 << IA_CSS_CTC_COEF_SHIFT) - 1; + + if (dx == 0) { + ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE, + "ctc_gradient() error, illegal division operation\n"); + return; + } else { + dydx_int = dy / dx; + dydx_frc = ((dy - dydx_int * dx) << frc_bits) / dx; + } + + assert(y0 >= 0 && y0 <= max_dydx); + assert(y1 >= 0 && y1 <= max_dydx); + assert(x0 < x1); + assert(dydx); + assert(shift); + + ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE, "ctc_gradient() enter:\n"); + + /* search "sft" which meets this condition: + (1 << (IA_CSS_CTC_COEF_SHIFT - 1)) + <= (((float)dy / (float)dx) * (1 << sft)) + <= ((1 << IA_CSS_CTC_COEF_SHIFT) - 1) */ + for (sft = 0; sft <= IA_CSS_CTC_COEF_SHIFT; sft++) { + int tmp_dydx = (dydx_int << sft) + + (dydx_frc >> (frc_bits - sft)); + if (tmp_dydx <= max_dydx) { + *dydx = tmp_dydx; + *shift = sft; + } + if (tmp_dydx >= max_dydx) + break; + } + + ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE, "ctc_gradient() leave:\n"); +} + +void +ia_css_ctc_encode( + struct sh_css_isp_ctc_params *to, + const struct ia_css_ctc_config *from, + unsigned int size) +{ + (void)size; + to->y0 = from->y0; + to->y1 = from->y1; + to->y2 = from->y2; + to->y3 = from->y3; + to->y4 = from->y4; + to->y5 = from->y5; + + to->ce_gain_exp = from->ce_gain_exp; + + to->x1 = from->x1; + to->x2 = from->x2; + to->x3 = from->x3; + to->x4 = from->x4; + + ctc_gradient(&to->dydx0, + &to->dydx0_shift, + from->y1, from->y0, + from->x1, 0); + + ctc_gradient(&to->dydx1, + &to->dydx1_shift, + from->y2, from->y1, + from->x2, from->x1); + + ctc_gradient(&to->dydx2, + &to->dydx2_shift, + from->y3, from->y2, + from->x3, from->x2); + + ctc_gradient(&to->dydx3, + &to->dydx3_shift, + from->y4, from->y3, + from->x4, from->x3); + + ctc_gradient(&to->dydx4, + &to->dydx4_shift, + from->y5, from->y4, + SH_CSS_BAYER_MAXVAL, from->x4); +} + +void +ia_css_ctc_dump( + const struct sh_css_isp_ctc_params *ctc, + unsigned int level); diff --git a/drivers/staging/media/atomisp/pci/isp/kernels/ctc/ctc1_5/ia_css_ctc1_5.host.h b/drivers/staging/media/atomisp/pci/isp/kernels/ctc/ctc1_5/ia_css_ctc1_5.host.h new file mode 100644 index 0000000000..8c17e7b921 --- /dev/null +++ b/drivers/staging/media/atomisp/pci/isp/kernels/ctc/ctc1_5/ia_css_ctc1_5.host.h @@ -0,0 +1,34 @@ +/* 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_CTC1_5_HOST_H +#define __IA_CSS_CTC1_5_HOST_H + +#include "sh_css_params.h" + +#include "ia_css_ctc1_5_param.h" + +void +ia_css_ctc_encode( + struct sh_css_isp_ctc_params *to, + const struct ia_css_ctc_config *from, + unsigned int size); + +void +ia_css_ctc_dump( + const struct sh_css_isp_ctc_params *ctc, + unsigned int level); + +#endif /* __IA_CSS_CTC1_5_HOST_H */ diff --git a/drivers/staging/media/atomisp/pci/isp/kernels/ctc/ctc1_5/ia_css_ctc1_5_param.h b/drivers/staging/media/atomisp/pci/isp/kernels/ctc/ctc1_5/ia_css_ctc1_5_param.h new file mode 100644 index 0000000000..c18cfc930d --- /dev/null +++ b/drivers/staging/media/atomisp/pci/isp/kernels/ctc/ctc1_5/ia_css_ctc1_5_param.h @@ -0,0 +1,47 @@ +/* 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_CTC1_5_PARAM_H +#define __IA_CSS_CTC1_5_PARAM_H + +#include "type_support.h" +#include "ctc/ctc_1.0/ia_css_ctc_param.h" /* vamem params */ + +/* CTC (Color Tone Control) */ +struct sh_css_isp_ctc_params { + s32 y0; + s32 y1; + s32 y2; + s32 y3; + s32 y4; + s32 y5; + s32 ce_gain_exp; + s32 x1; + s32 x2; + s32 x3; + s32 x4; + s32 dydx0; + s32 dydx0_shift; + s32 dydx1; + s32 dydx1_shift; + s32 dydx2; + s32 dydx2_shift; + s32 dydx3; + s32 dydx3_shift; + s32 dydx4; + s32 dydx4_shift; +}; + +#endif /* __IA_CSS_CTC1_5_PARAM_H */ diff --git a/drivers/staging/media/atomisp/pci/isp/kernels/ctc/ctc2/ia_css_ctc2.host.c b/drivers/staging/media/atomisp/pci/isp/kernels/ctc/ctc2/ia_css_ctc2.host.c new file mode 100644 index 0000000000..e3d3f12534 --- /dev/null +++ b/drivers/staging/media/atomisp/pci/isp/kernels/ctc/ctc2/ia_css_ctc2.host.c @@ -0,0 +1,158 @@ +// 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 "sh_css_defs.h" +#include "assert_support.h" + +#include "ia_css_ctc2.host.h" + +#define INEFFECTIVE_VAL 4096 +#define BASIC_VAL 819 + +/*Default configuration of parameters for Ctc2*/ +const struct ia_css_ctc2_config default_ctc2_config = { + INEFFECTIVE_VAL, INEFFECTIVE_VAL, INEFFECTIVE_VAL, + INEFFECTIVE_VAL, INEFFECTIVE_VAL, INEFFECTIVE_VAL, + BASIC_VAL * 2, BASIC_VAL * 4, BASIC_VAL * 6, + BASIC_VAL * 8, INEFFECTIVE_VAL, INEFFECTIVE_VAL, + BASIC_VAL >> 1, BASIC_VAL +}; + +/* (dydx) = ctc2_slope(y1, y0, x1, x0) + * ----------------------------------------------- + * Calculation of the Slope of a Line = ((y1 - y0) >> 8)/(x1 - x0) + * + * Note: y1, y0 , x1 & x0 must lie within the range 0 <-> 8191 + */ +static int ctc2_slope(int y1, int y0, int x1, int x0) +{ + const int shift_val = 8; + const int max_slope = (1 << IA_CSS_CTC_COEF_SHIFT) - 1; + int dy = y1 - y0; + int dx = x1 - x0; + int rounding = (dx + 1) >> 1; + int dy_shift = dy << shift_val; + int slope, dydx; + + /*Protection for parameter values, & avoiding zero divisions*/ + assert(y0 >= 0 && y0 <= max_slope); + assert(y1 >= 0 && y1 <= max_slope); + assert(x0 >= 0 && x0 <= max_slope); + assert(x1 > 0 && x1 <= max_slope); + assert(dx > 0); + + if (dy < 0) + rounding = -rounding; + slope = (int)(dy_shift + rounding) / dx; + + /*the slope must lie within the range + (-max_slope-1) >= (dydx) >= (max_slope) + */ + if (slope <= -max_slope - 1) { + dydx = -max_slope - 1; + } else if (slope >= max_slope) { + dydx = max_slope; + } else { + dydx = slope; + } + + return dydx; +} + +/* (void) = ia_css_ctc2_vmem_encode(*to, *from) + * ----------------------------------------------- + * VMEM Encode Function to translate Y parameters from userspace into ISP space + */ +void ia_css_ctc2_vmem_encode(struct ia_css_isp_ctc2_vmem_params *to, + const struct ia_css_ctc2_config *from, + size_t size) +{ + unsigned int i, j; + const unsigned int shffl_blck = 4; + const unsigned int length_zeros = 11; + short dydx0, dydx1, dydx2, dydx3, dydx4; + + (void)size; + /* + * Calculation of slopes of lines interconnecting + * 0.0 -> y_x1 -> y_x2 -> y _x3 -> y_x4 -> 1.0 + */ + dydx0 = ctc2_slope(from->y_y1, from->y_y0, + from->y_x1, 0); + dydx1 = ctc2_slope(from->y_y2, from->y_y1, + from->y_x2, from->y_x1); + dydx2 = ctc2_slope(from->y_y3, from->y_y2, + from->y_x3, from->y_x2); + dydx3 = ctc2_slope(from->y_y4, from->y_y3, + from->y_x4, from->y_x3); + dydx4 = ctc2_slope(from->y_y5, from->y_y4, + SH_CSS_BAYER_MAXVAL, from->y_x4); + + /*Fill 3 arrays with: + * - Luma input gain values y_y0, y_y1, y_y2, y_3, y_y4 + * - Luma kneepoints 0, y_x1, y_x2, y_x3, y_x4 + * - Calculated slopes dydx0, dyxd1, dydx2, dydx3, dydx4 + * + * - Each 64-element array is divided in blocks of 16 elements: + * the 5 parameters + zeros in the remaining 11 positions + * - All blocks of the same array will contain the same data + */ + for (i = 0; i < shffl_blck; i++) { + to->y_x[0][(i << shffl_blck)] = 0; + to->y_x[0][(i << shffl_blck) + 1] = from->y_x1; + to->y_x[0][(i << shffl_blck) + 2] = from->y_x2; + to->y_x[0][(i << shffl_blck) + 3] = from->y_x3; + to->y_x[0][(i << shffl_blck) + 4] = from->y_x4; + + to->y_y[0][(i << shffl_blck)] = from->y_y0; + to->y_y[0][(i << shffl_blck) + 1] = from->y_y1; + to->y_y[0][(i << shffl_blck) + 2] = from->y_y2; + to->y_y[0][(i << shffl_blck) + 3] = from->y_y3; + to->y_y[0][(i << shffl_blck) + 4] = from->y_y4; + + to->e_y_slope[0][(i << shffl_blck)] = dydx0; + to->e_y_slope[0][(i << shffl_blck) + 1] = dydx1; + to->e_y_slope[0][(i << shffl_blck) + 2] = dydx2; + to->e_y_slope[0][(i << shffl_blck) + 3] = dydx3; + to->e_y_slope[0][(i << shffl_blck) + 4] = dydx4; + + for (j = 0; j < length_zeros; j++) { + to->y_x[0][(i << shffl_blck) + 5 + j] = 0; + to->y_y[0][(i << shffl_blck) + 5 + j] = 0; + to->e_y_slope[0][(i << shffl_blck) + 5 + j] = 0; + } + } +} + +/* (void) = ia_css_ctc2_encode(*to, *from) + * ----------------------------------------------- + * DMEM Encode Function to translate UV parameters from userspace into ISP space + */ +void ia_css_ctc2_encode(struct ia_css_isp_ctc2_dmem_params *to, + struct ia_css_ctc2_config *from, + size_t size) +{ + (void)size; + + to->uv_y0 = from->uv_y0; + to->uv_y1 = from->uv_y1; + to->uv_x0 = from->uv_x0; + to->uv_x1 = from->uv_x1; + + /*Slope Calculation*/ + to->uv_dydx = ctc2_slope(from->uv_y1, from->uv_y0, + from->uv_x1, from->uv_x0); +} diff --git a/drivers/staging/media/atomisp/pci/isp/kernels/ctc/ctc2/ia_css_ctc2.host.h b/drivers/staging/media/atomisp/pci/isp/kernels/ctc/ctc2/ia_css_ctc2.host.h new file mode 100644 index 0000000000..eb10c38840 --- /dev/null +++ b/drivers/staging/media/atomisp/pci/isp/kernels/ctc/ctc2/ia_css_ctc2.host.h @@ -0,0 +1,34 @@ +/* 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_CTC2_HOST_H +#define __IA_CSS_CTC2_HOST_H + +#include "ia_css_ctc2_param.h" +#include "ia_css_ctc2_types.h" + +extern const struct ia_css_ctc2_config default_ctc2_config; + +/*Encode Functions to translate parameters from userspace into ISP space*/ + +void ia_css_ctc2_vmem_encode(struct ia_css_isp_ctc2_vmem_params *to, + const struct ia_css_ctc2_config *from, + size_t size); + +void ia_css_ctc2_encode(struct ia_css_isp_ctc2_dmem_params *to, + struct ia_css_ctc2_config *from, + size_t size); + +#endif /* __IA_CSS_CTC2_HOST_H */ diff --git a/drivers/staging/media/atomisp/pci/isp/kernels/ctc/ctc2/ia_css_ctc2_param.h b/drivers/staging/media/atomisp/pci/isp/kernels/ctc/ctc2/ia_css_ctc2_param.h new file mode 100644 index 0000000000..94844da665 --- /dev/null +++ b/drivers/staging/media/atomisp/pci/isp/kernels/ctc/ctc2/ia_css_ctc2_param.h @@ -0,0 +1,49 @@ +/* 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_CTC2_PARAM_H +#define __IA_CSS_CTC2_PARAM_H + +#define IA_CSS_CTC_COEF_SHIFT 13 +#include "vmem.h" /* needed for VMEM_ARRAY */ + +/* CTC (Chroma Tone Control)ISP Parameters */ + +/*VMEM Luma params*/ +struct ia_css_isp_ctc2_vmem_params { + /** Gains by Y(Luma) at Y = 0.0,Y_X1, Y_X2, Y_X3, Y_X4*/ + VMEM_ARRAY(y_x, ISP_VEC_NELEMS); + /* kneepoints by Y(Luma) 0.0, y_x1, y_x2, y _x3, y_x4*/ + VMEM_ARRAY(y_y, ISP_VEC_NELEMS); + /* Slopes of lines interconnecting + * 0.0 -> y_x1 -> y_x2 -> y _x3 -> y_x4 -> 1.0*/ + VMEM_ARRAY(e_y_slope, ISP_VEC_NELEMS); +}; + +/*DMEM Chroma params*/ +struct ia_css_isp_ctc2_dmem_params { + /* Gains by UV(Chroma) under kneepoints uv_x0 and uv_x1*/ + s32 uv_y0; + s32 uv_y1; + + /* Kneepoints by UV(Chroma)- uv_x0 and uv_x1*/ + s32 uv_x0; + s32 uv_x1; + + /* Slope of line interconnecting uv_x0 -> uv_x1*/ + s32 uv_dydx; + +}; +#endif /* __IA_CSS_CTC2_PARAM_H */ diff --git a/drivers/staging/media/atomisp/pci/isp/kernels/ctc/ctc2/ia_css_ctc2_types.h b/drivers/staging/media/atomisp/pci/isp/kernels/ctc/ctc2/ia_css_ctc2_types.h new file mode 100644 index 0000000000..f9f329a587 --- /dev/null +++ b/drivers/staging/media/atomisp/pci/isp/kernels/ctc/ctc2/ia_css_ctc2_types.h @@ -0,0 +1,55 @@ +/* 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_CTC2_TYPES_H +#define __IA_CSS_CTC2_TYPES_H + +/* Chroma Tone Control configuration. +* +* ISP block: CTC2 (CTC by polygonal approximation) +* (ISP1: CTC1 (CTC by look-up table) is used.) +* ISP2: CTC2 is used. +* ISP261: CTC2 (CTC by Fast Approximate Distance) +*/ +struct ia_css_ctc2_config { + /** Gains by Y(Luma) at Y =0.0,Y_X1, Y_X2, Y_X3, Y_X4 and Y_X5 + * --default/ineffective value: 4096(0.5f) + */ + s32 y_y0; + s32 y_y1; + s32 y_y2; + s32 y_y3; + s32 y_y4; + s32 y_y5; + /* 1st-4th kneepoints by Y(Luma) --default/ineffective value:n/a + * requirement: 0.0 < y_x1 < y_x2 <y _x3 < y_x4 < 1.0 + */ + s32 y_x1; + s32 y_x2; + s32 y_x3; + s32 y_x4; + /* Gains by UV(Chroma) under threholds uv_x0 and uv_x1 + * --default/ineffective value: 4096(0.5f) + */ + s32 uv_y0; + s32 uv_y1; + /* Minimum and Maximum Thresholds by UV(Chroma)- uv_x0 and uv_x1 + * --default/ineffective value: n/a + */ + s32 uv_x0; + s32 uv_x1; +}; + +#endif /* __IA_CSS_CTC2_TYPES_H */ diff --git a/drivers/staging/media/atomisp/pci/isp/kernels/ctc/ctc_1.0/ia_css_ctc.host.c b/drivers/staging/media/atomisp/pci/isp/kernels/ctc/ctc_1.0/ia_css_ctc.host.c new file mode 100644 index 0000000000..82f2adbbfa --- /dev/null +++ b/drivers/staging/media/atomisp/pci/isp/kernels/ctc/ctc_1.0/ia_css_ctc.host.c @@ -0,0 +1,59 @@ +// 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 "sh_css_defs.h" +#include "ia_css_debug.h" +#include "assert_support.h" + +#include "ia_css_ctc.host.h" + +const struct ia_css_ctc_config default_ctc_config = { + ((1 << IA_CSS_CTC_COEF_SHIFT) + 1) / 2, /* 0.5 */ + ((1 << IA_CSS_CTC_COEF_SHIFT) + 1) / 2, /* 0.5 */ + ((1 << IA_CSS_CTC_COEF_SHIFT) + 1) / 2, /* 0.5 */ + ((1 << IA_CSS_CTC_COEF_SHIFT) + 1) / 2, /* 0.5 */ + ((1 << IA_CSS_CTC_COEF_SHIFT) + 1) / 2, /* 0.5 */ + ((1 << IA_CSS_CTC_COEF_SHIFT) + 1) / 2, /* 0.5 */ + 1, + SH_CSS_BAYER_MAXVAL / 5, /* To be implemented */ + SH_CSS_BAYER_MAXVAL * 2 / 5, /* To be implemented */ + SH_CSS_BAYER_MAXVAL * 3 / 5, /* To be implemented */ + SH_CSS_BAYER_MAXVAL * 4 / 5, /* To be implemented */ +}; + +void +ia_css_ctc_vamem_encode( + struct sh_css_isp_ctc_vamem_params *to, + const struct ia_css_ctc_table *from, + unsigned int size) +{ + (void)size; + memcpy(&to->ctc, &from->data, sizeof(to->ctc)); +} + +void +ia_css_ctc_debug_dtrace( + const struct ia_css_ctc_config *config, + unsigned int level) +{ + ia_css_debug_dtrace(level, + "config.ce_gain_exp=%d, config.y0=%d, config.x1=%d, config.y1=%d, config.x2=%d, config.y2=%d, config.x3=%d, config.y3=%d, config.x4=%d, config.y4=%d\n", + config->ce_gain_exp, config->y0, + config->x1, config->y1, + config->x2, config->y2, + config->x3, config->y3, + config->x4, config->y4); +} diff --git a/drivers/staging/media/atomisp/pci/isp/kernels/ctc/ctc_1.0/ia_css_ctc.host.h b/drivers/staging/media/atomisp/pci/isp/kernels/ctc/ctc_1.0/ia_css_ctc.host.h new file mode 100644 index 0000000000..57d1d08e1b --- /dev/null +++ b/drivers/staging/media/atomisp/pci/isp/kernels/ctc/ctc_1.0/ia_css_ctc.host.h @@ -0,0 +1,37 @@ +/* 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_CTC_HOST_H +#define __IA_CSS_CTC_HOST_H + +#include "sh_css_params.h" + +#include "ia_css_ctc_param.h" +#include "ia_css_ctc_table.host.h" + +extern const struct ia_css_ctc_config default_ctc_config; + +void +ia_css_ctc_vamem_encode( + struct sh_css_isp_ctc_vamem_params *to, + const struct ia_css_ctc_table *from, + unsigned int size); + +void +ia_css_ctc_debug_dtrace( + const struct ia_css_ctc_config *config, unsigned int level) +; + +#endif /* __IA_CSS_CTC_HOST_H */ diff --git a/drivers/staging/media/atomisp/pci/isp/kernels/ctc/ctc_1.0/ia_css_ctc_param.h b/drivers/staging/media/atomisp/pci/isp/kernels/ctc/ctc_1.0/ia_css_ctc_param.h new file mode 100644 index 0000000000..eaad708c61 --- /dev/null +++ b/drivers/staging/media/atomisp/pci/isp/kernels/ctc/ctc_1.0/ia_css_ctc_param.h @@ -0,0 +1,38 @@ +/* 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_CTC_PARAM_H +#define __IA_CSS_CTC_PARAM_H + +#include "type_support.h" +#include <system_global.h> + +#include "ia_css_ctc_types.h" + +#ifndef PIPE_GENERATION +#define SH_CSS_ISP_CTC_TABLE_SIZE_LOG2 IA_CSS_VAMEM_2_CTC_TABLE_SIZE_LOG2 +#define SH_CSS_ISP_CTC_TABLE_SIZE IA_CSS_VAMEM_2_CTC_TABLE_SIZE + +#else +/* For pipe generation, the size is not relevant */ +#define SH_CSS_ISP_CTC_TABLE_SIZE 0 +#endif + +/* This should be vamem_data_t, but that breaks the pipe generator */ +struct sh_css_isp_ctc_vamem_params { + u16 ctc[SH_CSS_ISP_CTC_TABLE_SIZE]; +}; + +#endif /* __IA_CSS_CTC_PARAM_H */ diff --git a/drivers/staging/media/atomisp/pci/isp/kernels/ctc/ctc_1.0/ia_css_ctc_table.host.c b/drivers/staging/media/atomisp/pci/isp/kernels/ctc/ctc_1.0/ia_css_ctc_table.host.c new file mode 100644 index 0000000000..6a7925c849 --- /dev/null +++ b/drivers/staging/media/atomisp/pci/isp/kernels/ctc/ctc_1.0/ia_css_ctc_table.host.c @@ -0,0 +1,71 @@ +// 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 <linux/string.h> /* for memcpy() */ + +#include <type_support.h> +#include "system_global.h" +#include "vamem.h" +#include "ia_css_types.h" +#include "ia_css_ctc_table.host.h" + +struct ia_css_ctc_table default_ctc_table; + + +static const uint16_t +default_ctc_table_data[IA_CSS_VAMEM_2_CTC_TABLE_SIZE] = { + 0, 384, 837, 957, 1011, 1062, 1083, 1080, + 1078, 1077, 1053, 1039, 1012, 992, 969, 951, + 929, 906, 886, 866, 845, 823, 809, 790, + 772, 758, 741, 726, 711, 701, 688, 675, + 666, 656, 648, 639, 633, 626, 618, 612, + 603, 594, 582, 572, 557, 545, 529, 516, + 504, 491, 480, 467, 459, 447, 438, 429, + 419, 412, 404, 397, 389, 382, 376, 368, + 363, 357, 351, 345, 340, 336, 330, 326, + 321, 318, 312, 308, 304, 300, 297, 294, + 291, 286, 284, 281, 278, 275, 271, 268, + 261, 257, 251, 245, 240, 235, 232, 225, + 223, 218, 213, 209, 206, 204, 199, 197, + 193, 189, 186, 185, 183, 179, 177, 175, + 172, 170, 169, 167, 164, 164, 162, 160, + 158, 157, 156, 154, 154, 152, 151, 150, + 149, 148, 146, 147, 146, 144, 143, 143, + 142, 141, 140, 141, 139, 138, 138, 138, + 137, 136, 136, 135, 134, 134, 134, 133, + 132, 132, 131, 130, 131, 130, 129, 128, + 129, 127, 127, 127, 127, 125, 125, 125, + 123, 123, 122, 120, 118, 115, 114, 111, + 110, 108, 106, 105, 103, 102, 100, 99, + 97, 97, 96, 95, 94, 93, 93, 91, + 91, 91, 90, 90, 89, 89, 88, 88, + 89, 88, 88, 87, 87, 87, 87, 86, + 87, 87, 86, 87, 86, 86, 84, 84, + 82, 80, 78, 76, 74, 72, 70, 68, + 67, 65, 62, 60, 58, 56, 55, 54, + 53, 51, 49, 49, 47, 45, 45, 45, + 41, 40, 39, 39, 34, 33, 34, 32, + 25, 23, 24, 20, 13, 9, 12, 0, + 0 +}; + + +void +ia_css_config_ctc_table(void) +{ + memcpy(default_ctc_table.data.vamem_2, default_ctc_table_data, + sizeof(default_ctc_table_data)); + default_ctc_table.vamem_type = IA_CSS_VAMEM_TYPE_2; +} diff --git a/drivers/staging/media/atomisp/pci/isp/kernels/ctc/ctc_1.0/ia_css_ctc_table.host.h b/drivers/staging/media/atomisp/pci/isp/kernels/ctc/ctc_1.0/ia_css_ctc_table.host.h new file mode 100644 index 0000000000..33e8a05455 --- /dev/null +++ b/drivers/staging/media/atomisp/pci/isp/kernels/ctc/ctc_1.0/ia_css_ctc_table.host.h @@ -0,0 +1,25 @@ +/* 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_CTC_TABLE_HOST_H +#define __IA_CSS_CTC_TABLE_HOST_H + +#include "ia_css_ctc_types.h" + +extern struct ia_css_ctc_table default_ctc_table; + +void ia_css_config_ctc_table(void); + +#endif /* __IA_CSS_CTC_TABLE_HOST_H */ diff --git a/drivers/staging/media/atomisp/pci/isp/kernels/ctc/ctc_1.0/ia_css_ctc_types.h b/drivers/staging/media/atomisp/pci/isp/kernels/ctc/ctc_1.0/ia_css_ctc_types.h new file mode 100644 index 0000000000..b2d42f3c1f --- /dev/null +++ b/drivers/staging/media/atomisp/pci/isp/kernels/ctc/ctc_1.0/ia_css_ctc_types.h @@ -0,0 +1,111 @@ +/* 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_CTC_TYPES_H +#define __IA_CSS_CTC_TYPES_H + +#include <linux/bitops.h> + +/* @file +* CSS-API header file for Chroma Tone Control parameters. +*/ + +/* Fractional bits for CTC gain (used only for ISP1). + * + * IA_CSS_CTC_COEF_SHIFT(=13) includes not only the fractional bits + * of gain(=8), but also the bits(=5) to convert chroma + * from 13bit precision to 8bit precision. + * + * Gain (struct ia_css_ctc_table) : u5.8 + * Input(Chorma) : s0.12 (13bit precision) + * Output(Chorma): s0.7 (8bit precision) + * Output = (Input * Gain) >> IA_CSS_CTC_COEF_SHIFT + */ +#define IA_CSS_CTC_COEF_SHIFT 13 + +/* Number of elements in the CTC table. */ +#define IA_CSS_VAMEM_1_CTC_TABLE_SIZE_LOG2 10 +/* Number of elements in the CTC table. */ +#define IA_CSS_VAMEM_1_CTC_TABLE_SIZE BIT(IA_CSS_VAMEM_1_CTC_TABLE_SIZE_LOG2) + +/* Number of elements in the CTC table. */ +#define IA_CSS_VAMEM_2_CTC_TABLE_SIZE_LOG2 8 +/* Number of elements in the CTC table. */ +#define IA_CSS_VAMEM_2_CTC_TABLE_SIZE ((1U << IA_CSS_VAMEM_2_CTC_TABLE_SIZE_LOG2) + 1) + +enum ia_css_vamem_type { + IA_CSS_VAMEM_TYPE_1, + IA_CSS_VAMEM_TYPE_2 +}; + +/* Chroma Tone Control configuration. + * + * ISP block: CTC2 (CTC by polygonal line approximation) + * (ISP1: CTC1 (CTC by look-up table) is used.) + * ISP2: CTC2 is used. + */ +struct ia_css_ctc_config { + u16 y0; /** 1st kneepoint gain. + u[ce_gain_exp].[13-ce_gain_exp], [0,8191], + default/ineffective 4096(0.5) */ + u16 y1; /** 2nd kneepoint gain. + u[ce_gain_exp].[13-ce_gain_exp], [0,8191], + default/ineffective 4096(0.5) */ + u16 y2; /** 3rd kneepoint gain. + u[ce_gain_exp].[13-ce_gain_exp], [0,8191], + default/ineffective 4096(0.5) */ + u16 y3; /** 4th kneepoint gain. + u[ce_gain_exp].[13-ce_gain_exp], [0,8191], + default/ineffective 4096(0.5) */ + u16 y4; /** 5th kneepoint gain. + u[ce_gain_exp].[13-ce_gain_exp], [0,8191], + default/ineffective 4096(0.5) */ + u16 y5; /** 6th kneepoint gain. + u[ce_gain_exp].[13-ce_gain_exp], [0,8191], + default/ineffective 4096(0.5) */ + u16 ce_gain_exp; /** Common exponent of y-axis gain. + u8.0, [0,13], + default/ineffective 1 */ + u16 x1; /** 2nd kneepoint luma. + u0.13, [0,8191], constraints: 0<x1<x2, + default/ineffective 1024 */ + u16 x2; /** 3rd kneepoint luma. + u0.13, [0,8191], constraints: x1<x2<x3, + default/ineffective 2048 */ + u16 x3; /** 4th kneepoint luma. + u0.13, [0,8191], constraints: x2<x3<x4, + default/ineffective 6144 */ + u16 x4; /** 5tn kneepoint luma. + u0.13, [0,8191], constraints: x3<x4<8191, + default/ineffective 7168 */ +}; + +union ia_css_ctc_data { + u16 vamem_1[IA_CSS_VAMEM_1_CTC_TABLE_SIZE]; + u16 vamem_2[IA_CSS_VAMEM_2_CTC_TABLE_SIZE]; +}; + +/* CTC table, used for Chroma Tone Control. + * + * ISP block: CTC1 (CTC by look-up table) + * ISP1: CTC1 is used. + * (ISP2: CTC2 (CTC by polygonal line approximation) is used.) + */ +struct ia_css_ctc_table { + enum ia_css_vamem_type vamem_type; + union ia_css_ctc_data data; +}; + +#endif /* __IA_CSS_CTC_TYPES_H */ |