1 files changed, 66 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/bh/bh_2/ia_css_bh.host.c b/drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/bh/bh_2/ia_css_bh.host.c
new file mode 100644
index 0000000..99c80d2
--- /dev/null
+++ b/drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/bh/bh_2/ia_css_bh.host.c
@@ -0,0 +1,66 @@
+/*
+ * 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.
+ */
+
+#if !defined(HAS_NO_HMEM)
+
+#include "memory_access.h"
+#include "ia_css_types.h"
+#include "sh_css_internal.h"
+#include "assert_support.h"
+#include "sh_css_frac.h"
+
+#include "ia_css_bh.host.h"
+
+void
+ia_css_bh_hmem_decode(
+	struct ia_css_3a_rgby_output *out_ptr,
+	const struct ia_css_bh_table *hmem_buf)
+{
+	int i;
+
+	/*
+	 * No weighted histogram, hence no grid definition
+	 */
+	if(!hmem_buf)
+		return;
+	assert(sizeof_hmem(HMEM0_ID) == sizeof(*hmem_buf));
+
+	/* Deinterleave */
+	for (i = 0; i < HMEM_UNIT_SIZE; i++) {
+		out_ptr[i].r = hmem_buf->hmem[BH_COLOR_R][i];
+		out_ptr[i].g = hmem_buf->hmem[BH_COLOR_G][i];
+		out_ptr[i].b = hmem_buf->hmem[BH_COLOR_B][i];
+		out_ptr[i].y = hmem_buf->hmem[BH_COLOR_Y][i];
+		/* sh_css_print ("hmem[%d] = %d, %d, %d, %d\n",
+			i, out_ptr[i].r, out_ptr[i].g, out_ptr[i].b, out_ptr[i].y); */
+	}
+}
+
+void
+ia_css_bh_encode(
+	struct sh_css_isp_bh_params *to,
+	const struct ia_css_3a_config *from,
+	unsigned size)
+{
+	(void)size;
+	/* coefficients to calculate Y */
+	to->y_coef_r =
+	    uDIGIT_FITTING(from->ae_y_coef_r, 16, SH_CSS_AE_YCOEF_SHIFT);
+	to->y_coef_g =
+	    uDIGIT_FITTING(from->ae_y_coef_g, 16, SH_CSS_AE_YCOEF_SHIFT);
+	to->y_coef_b =
+	    uDIGIT_FITTING(from->ae_y_coef_b, 16, SH_CSS_AE_YCOEF_SHIFT);
+}
+
+#endif