1 files changed, 0 insertions, 156 deletions
diff --git a/drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/ctc/ctc2/ia_css_ctc2.host.c b/drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/ctc/ctc2/ia_css_ctc2.host.c
deleted file mode 100644
index 07bd24edc7bf..000000000000
--- a/drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/ctc/ctc2/ia_css_ctc2.host.c
+++ /dev/null
@@ -1,156 +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.
- */
-
-#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 paramater 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 i, j;
-	const unsigned shffl_blck = 4;
-	const unsigned lenght_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 < lenght_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);
-}