1 files changed, 67 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/basics/logger.h b/drivers/gpu/drm/amd/display/dc/basics/logger.h
new file mode 100644
index 000000000000..2f7a5df4c811
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/basics/logger.h
@@ -0,0 +1,67 @@
+/*
+ * Copyright 2012-15 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef __DAL_LOGGER_H__
+#define __DAL_LOGGER_H__
+
+/* Structure for keeping track of offsets, buffer, etc */
+
+#define DAL_LOGGER_BUFFER_MAX_SIZE 2048
+
+/*Connectivity log needs to output EDID, which needs at lease 256x3 bytes,
+ * change log line size to 896 to meet the request.
+ */
+#define LOG_MAX_LINE_SIZE 896
+
+#include "include/logger_types.h"
+
+struct dal_logger {
+
+	/* How far into the circular buffer has been read by dsat
+	 * Read offset should never cross write offset. Write \0's to
+	 * read data just to be sure?
+	 */
+	uint32_t buffer_read_offset;
+
+	/* How far into the circular buffer we have written
+	 * Write offset should never cross read offset
+	 */
+	uint32_t buffer_write_offset;
+
+	uint32_t write_wrap_count;
+	uint32_t read_wrap_count;
+
+	uint32_t open_count;
+
+	char *log_buffer;	/* Pointer to malloc'ed buffer */
+	uint32_t log_buffer_size; /* Size of circular buffer */
+
+	uint32_t mask; /*array of masks for major elements*/
+
+	union logger_flags flags;
+	struct dc_context *ctx;
+};
+
+#endif /* __DAL_LOGGER_H__ */