1 files changed, 71 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/sc/sc_1.0/ia_css_sc_param.h b/drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/sc/sc_1.0/ia_css_sc_param.h
new file mode 100644
index 0000000..d997d51
--- /dev/null
+++ b/drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/sc/sc_1.0/ia_css_sc_param.h
@@ -0,0 +1,71 @@
+/*
+ * 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_SC_PARAM_H
+#define __IA_CSS_SC_PARAM_H
+
+#include "type_support.h"
+
+#ifdef ISP2401
+/* To position the shading center grid point on the center of output image,
+ * one more grid cell is needed as margin. */
+#define SH_CSS_SCTBL_CENTERING_MARGIN	1
+
+/* The shading table width and height are the number of grids, not cells. The last grid should be counted. */
+#define SH_CSS_SCTBL_LAST_GRID_COUNT	1
+
+/* Number of horizontal grids per color in the shading table. */
+#define _ISP_SCTBL_WIDTH_PER_COLOR(input_width, deci_factor_log2) \
+	(ISP_BQ_GRID_WIDTH(input_width, deci_factor_log2) + \
+	SH_CSS_SCTBL_CENTERING_MARGIN + SH_CSS_SCTBL_LAST_GRID_COUNT)
+
+/* Number of vertical grids per color in the shading table. */
+#define _ISP_SCTBL_HEIGHT(input_height, deci_factor_log2) \
+	(ISP_BQ_GRID_HEIGHT(input_height, deci_factor_log2) + \
+	SH_CSS_SCTBL_CENTERING_MARGIN + SH_CSS_SCTBL_LAST_GRID_COUNT)
+
+/* Legacy API: Number of horizontal grids per color in the shading table. */
+#define _ISP_SCTBL_LEGACY_WIDTH_PER_COLOR(input_width, deci_factor_log2) \
+	(ISP_BQ_GRID_WIDTH(input_width, deci_factor_log2) + SH_CSS_SCTBL_LAST_GRID_COUNT)
+
+/* Legacy API: Number of vertical grids per color in the shading table. */
+#define _ISP_SCTBL_LEGACY_HEIGHT(input_height, deci_factor_log2) \
+	(ISP_BQ_GRID_HEIGHT(input_height, deci_factor_log2) + SH_CSS_SCTBL_LAST_GRID_COUNT)
+
+#endif
+/* SC (Shading Corrction) */
+struct sh_css_isp_sc_params {
+	int32_t gain_shift;
+};
+
+#ifdef ISP2401
+/* Number of horizontal slice times for interpolated gain:
+ *
+ * The start position of the internal frame does not match the start position of the shading table.
+ * To get a vector of shading gains (interpolated horizontally and vertically)
+ * which matches a vector on the internal frame,
+ * vec_slice is used for 2 adjacent vectors of shading gains.
+ * The number of shift times by vec_slice is 8.
+ *     Max grid cell bqs to support the shading table centerting: N = 32
+ *     CEIL_DIV(N-1, ISP_SLICE_NELEMS) = CEIL_DIV(31, 4) = 8
+ */
+#define SH_CSS_SC_INTERPED_GAIN_HOR_SLICE_TIMES   8
+
+struct sh_css_isp_sc_isp_config {
+	uint32_t interped_gain_hor_slice_bqs[SH_CSS_SC_INTERPED_GAIN_HOR_SLICE_TIMES];
+	uint32_t internal_frame_origin_y_bqs_on_sctbl;
+};
+
+#endif
+#endif /* __IA_CSS_SC_PARAM_H */