initial commit, taken and modified from linaro/insignal
diff --git a/exynos4/hal/include/sec_utils.h b/exynos4/hal/include/sec_utils.h
new file mode 100644
index 0000000..55808f4
--- /dev/null
+++ b/exynos4/hal/include/sec_utils.h
@@ -0,0 +1,298 @@
+/*
+ * Copyright@ Samsung Electronics Co. LTD
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
+#ifndef __SAMSUNG_SYSLSI_SEC_COMMON_H__
+#define __SAMSUNG_SYSLSI_SEC_COMMON_H__
+
+//---------------------------------------------------------//
+// Include
+//---------------------------------------------------------//
+
+#include <hardware/hardware.h>
+#include "sec_format.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <linux/videodev2.h>
+#include "videodev2_samsung.h"
+
+#ifdef __cplusplus
+}
+#endif
+
+//---------------------------------------------------------//
+// Common structure //
+//---------------------------------------------------------//
+struct ADDRS {
+ unsigned int addr_y;
+ unsigned int addr_cbcr;
+ unsigned int buf_idx;
+ unsigned int reserved;
+};
+
+//---------------------------------------------------------//
+// Common function //
+//---------------------------------------------------------//
+inline int HAL_PIXEL_FORMAT_2_V4L2_PIX(int HAL_PIXEL_FORMAT)
+{
+ int V4L2_PIX = -1;
+
+ switch (HAL_PIXEL_FORMAT) {
+ case HAL_PIXEL_FORMAT_RGBA_8888:
+ case HAL_PIXEL_FORMAT_RGBX_8888:
+ V4L2_PIX = V4L2_PIX_FMT_RGB32;
+ break;
+
+ case HAL_PIXEL_FORMAT_RGB_888:
+ V4L2_PIX = V4L2_PIX_FMT_RGB24;
+ break;
+
+ case HAL_PIXEL_FORMAT_RGB_565:
+ V4L2_PIX = V4L2_PIX_FMT_RGB565;
+ break;
+
+ case HAL_PIXEL_FORMAT_BGRA_8888:
+ V4L2_PIX = V4L2_PIX_FMT_RGB32;
+ break;
+
+ case HAL_PIXEL_FORMAT_RGBA_5551:
+ V4L2_PIX = V4L2_PIX_FMT_RGB555X;
+ break;
+
+ case HAL_PIXEL_FORMAT_RGBA_4444:
+ V4L2_PIX = V4L2_PIX_FMT_RGB444;
+ break;
+
+ case HAL_PIXEL_FORMAT_YV12:
+ case HAL_PIXEL_FORMAT_YCbCr_420_P:
+ V4L2_PIX = V4L2_PIX_FMT_YUV420;
+ break;
+
+ case HAL_PIXEL_FORMAT_YCbCr_422_SP:
+ case HAL_PIXEL_FORMAT_CUSTOM_YCbCr_422_SP:
+ V4L2_PIX = V4L2_PIX_FMT_NV61;
+ break;
+
+ case HAL_PIXEL_FORMAT_YCbCr_420_SP:
+ case HAL_PIXEL_FORMAT_CUSTOM_YCbCr_420_SP:
+ V4L2_PIX = V4L2_PIX_FMT_NV12;
+ break;
+
+ case HAL_PIXEL_FORMAT_YCbCr_422_I:
+ case HAL_PIXEL_FORMAT_CUSTOM_YCbCr_422_I:
+ V4L2_PIX = V4L2_PIX_FMT_YUYV;
+ break;
+
+ case HAL_PIXEL_FORMAT_YCbCr_422_P:
+ V4L2_PIX = V4L2_PIX_FMT_YUV422P;
+ break;
+
+ case HAL_PIXEL_FORMAT_CbYCrY_422_I:
+ case HAL_PIXEL_FORMAT_CUSTOM_CbYCrY_422_I:
+ V4L2_PIX = V4L2_PIX_FMT_UYVY;
+ break;
+
+ case HAL_PIXEL_FORMAT_YCrCb_422_SP:
+ case HAL_PIXEL_FORMAT_CUSTOM_YCrCb_422_SP:
+ V4L2_PIX = V4L2_PIX_FMT_NV16;
+ break;
+
+ case HAL_PIXEL_FORMAT_YCrCb_420_SP:
+ case HAL_PIXEL_FORMAT_CUSTOM_YCrCb_420_SP:
+ V4L2_PIX = V4L2_PIX_FMT_NV21;
+ break;
+
+ case HAL_PIXEL_FORMAT_CUSTOM_YCbCr_420_SP_TILED:
+ V4L2_PIX = V4L2_PIX_FMT_NV12T;
+ break;
+
+ case HAL_PIXEL_FORMAT_CUSTOM_YCrCb_422_I:
+ V4L2_PIX = V4L2_PIX_FMT_YVYU;
+ break;
+
+ case HAL_PIXEL_FORMAT_CUSTOM_CrYCbY_422_I:
+ V4L2_PIX = V4L2_PIX_FMT_VYUY;
+ break;
+
+ default:
+ LOGE("%s::unmatched HAL_PIXEL_FORMAT color_space(0x%x)\n",
+ __func__, HAL_PIXEL_FORMAT);
+ break;
+ }
+
+ return V4L2_PIX;
+}
+
+inline int V4L2_PIX_2_HAL_PIXEL_FORMAT(int V4L2_PIX)
+{
+ int HAL_PIXEL_FORMAT = -1;
+
+ switch (V4L2_PIX) {
+ case V4L2_PIX_FMT_RGB32:
+ HAL_PIXEL_FORMAT = HAL_PIXEL_FORMAT_RGBA_8888;
+ break;
+
+ case V4L2_PIX_FMT_RGB24:
+ HAL_PIXEL_FORMAT = HAL_PIXEL_FORMAT_RGB_888;
+ break;
+
+ case V4L2_PIX_FMT_RGB565:
+ HAL_PIXEL_FORMAT = HAL_PIXEL_FORMAT_RGB_565;
+ break;
+
+ case V4L2_PIX_FMT_BGR32:
+ HAL_PIXEL_FORMAT = HAL_PIXEL_FORMAT_BGRA_8888;
+ break;
+
+ case V4L2_PIX_FMT_RGB555X:
+ HAL_PIXEL_FORMAT = HAL_PIXEL_FORMAT_RGBA_5551;
+ break;
+
+ case V4L2_PIX_FMT_RGB444:
+ HAL_PIXEL_FORMAT = HAL_PIXEL_FORMAT_RGBA_4444;
+ break;
+
+ case V4L2_PIX_FMT_YUV420:
+ HAL_PIXEL_FORMAT = HAL_PIXEL_FORMAT_YCbCr_420_P;
+ break;
+
+ case V4L2_PIX_FMT_NV16:
+ HAL_PIXEL_FORMAT = HAL_PIXEL_FORMAT_CUSTOM_YCrCb_422_SP;
+ break;
+
+ case V4L2_PIX_FMT_NV12:
+ HAL_PIXEL_FORMAT = HAL_PIXEL_FORMAT_CUSTOM_YCbCr_420_SP;
+ break;
+
+ case V4L2_PIX_FMT_YUYV:
+ HAL_PIXEL_FORMAT = HAL_PIXEL_FORMAT_CUSTOM_YCbCr_422_I;
+ break;
+
+ case V4L2_PIX_FMT_YUV422P:
+ HAL_PIXEL_FORMAT = HAL_PIXEL_FORMAT_YCbCr_422_P;
+ break;
+
+ case V4L2_PIX_FMT_UYVY:
+ HAL_PIXEL_FORMAT = HAL_PIXEL_FORMAT_CUSTOM_CbYCrY_422_I;
+ break;
+
+ case V4L2_PIX_FMT_NV21:
+ HAL_PIXEL_FORMAT = HAL_PIXEL_FORMAT_CUSTOM_YCrCb_420_SP;
+ break;
+
+ case V4L2_PIX_FMT_NV12T:
+ HAL_PIXEL_FORMAT = HAL_PIXEL_FORMAT_CUSTOM_YCbCr_420_SP_TILED;
+ break;
+
+ case V4L2_PIX_FMT_NV61:
+ HAL_PIXEL_FORMAT = HAL_PIXEL_FORMAT_CUSTOM_YCbCr_422_SP;
+ break;
+
+ case V4L2_PIX_FMT_YVYU:
+ HAL_PIXEL_FORMAT = HAL_PIXEL_FORMAT_CUSTOM_YCrCb_422_I;
+ break;
+
+ case V4L2_PIX_FMT_VYUY:
+ HAL_PIXEL_FORMAT = HAL_PIXEL_FORMAT_CUSTOM_CrYCbY_422_I;
+ break;
+
+ default:
+ LOGE("%s::unmatched V4L2_PIX color_space(%d)\n",
+ __func__, V4L2_PIX);
+ break;
+ }
+
+ return HAL_PIXEL_FORMAT;
+}
+
+#define ALIGN_TO_32B(x) ((((x) + (1 << 5) - 1) >> 5) << 5)
+#define ALIGN_TO_128B(x) ((((x) + (1 << 7) - 1) >> 7) << 7)
+#define ALIGN_TO_8KB(x) ((((x) + (1 << 13) - 1) >> 13) << 13)
+
+#define GET_32BPP_FRAME_SIZE(w, h) (((w) * (h)) << 2)
+#define GET_24BPP_FRAME_SIZE(w, h) (((w) * (h)) * 3)
+#define GET_16BPP_FRAME_SIZE(w, h) (((w) * (h)) << 1)
+
+inline unsigned int FRAME_SIZE(int HAL_PIXEL_FORMAT, int w, int h)
+{
+ unsigned int frame_size = 0;
+ unsigned int size = 0;
+
+ switch (HAL_PIXEL_FORMAT) {
+ // 16bpp
+ case HAL_PIXEL_FORMAT_RGB_565:
+ case HAL_PIXEL_FORMAT_RGBA_5551:
+ case HAL_PIXEL_FORMAT_RGBA_4444:
+ frame_size = GET_16BPP_FRAME_SIZE(w, h);
+ break;
+
+ // 24bpp
+ case HAL_PIXEL_FORMAT_RGB_888:
+ frame_size = GET_24BPP_FRAME_SIZE(w, h);
+ break;
+
+ // 32bpp
+ case HAL_PIXEL_FORMAT_RGBA_8888:
+ case HAL_PIXEL_FORMAT_BGRA_8888:
+ case HAL_PIXEL_FORMAT_RGBX_8888:
+ frame_size = GET_32BPP_FRAME_SIZE(w, h);
+ break;
+
+ // 12bpp
+ case HAL_PIXEL_FORMAT_YV12:
+ case HAL_PIXEL_FORMAT_YCrCb_420_SP:
+ case HAL_PIXEL_FORMAT_YCbCr_420_P:
+ case HAL_PIXEL_FORMAT_YCbCr_420_I:
+ case HAL_PIXEL_FORMAT_CbYCrY_420_I:
+ case HAL_PIXEL_FORMAT_YCbCr_420_SP:
+ case HAL_PIXEL_FORMAT_CUSTOM_YCbCr_420_SP:
+ case HAL_PIXEL_FORMAT_CUSTOM_YCrCb_420_SP:
+ size = w * h;
+ frame_size = size + ((size >> 2) << 1);
+ break;
+
+ case HAL_PIXEL_FORMAT_CUSTOM_YCbCr_420_SP_TILED:
+ frame_size = ALIGN_TO_8KB(ALIGN_TO_128B(w) * ALIGN_TO_32B(h))
+ + ALIGN_TO_8KB(ALIGN_TO_128B(w) * ALIGN_TO_32B(h >> 1));
+ break;
+
+ // 16bpp
+ case HAL_PIXEL_FORMAT_YCbCr_422_SP:
+ case HAL_PIXEL_FORMAT_YCbCr_422_I:
+ case HAL_PIXEL_FORMAT_YCbCr_422_P:
+ case HAL_PIXEL_FORMAT_CbYCrY_422_I:
+ case HAL_PIXEL_FORMAT_YCrCb_422_SP:
+ case HAL_PIXEL_FORMAT_CUSTOM_YCbCr_422_SP:
+ case HAL_PIXEL_FORMAT_CUSTOM_YCrCb_422_SP:
+ case HAL_PIXEL_FORMAT_CUSTOM_YCbCr_422_I:
+ case HAL_PIXEL_FORMAT_CUSTOM_YCrCb_422_I:
+ case HAL_PIXEL_FORMAT_CUSTOM_CbYCrY_422_I:
+ case HAL_PIXEL_FORMAT_CUSTOM_CrYCbY_422_I:
+ frame_size = GET_16BPP_FRAME_SIZE(w, h);
+ break;
+
+ default:
+ LOGD("%s::no matching source colorformat(0x%x), w(%d), h(%d) fail\n",
+ __func__, HAL_PIXEL_FORMAT, w, h);
+ break;
+ }
+
+ return frame_size;
+}
+
+#endif //__SAMSUNG_SYSLSI_SEC_COMMON_H__
\ No newline at end of file