drm/amd/dc: Add dc display driver (v2)

Supported DCE versions: 8.0, 10.0, 11.0, 11.2

v2: rebase against 4.11

Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/include/logger_interface.h

@@ -0,0 +1,140 @@
+/*
+ * 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_INTERFACE_H__
+#define __DAL_LOGGER_INTERFACE_H__
+
+#include "logger_types.h"
+
+struct dc_context;
+struct dc_link;
+struct dc_surface_update;
+
+/*
+ *
+ * DAL logger functionality
+ *
+ */
+
+struct dal_logger *dal_logger_create(struct dc_context *ctx);
+
+uint32_t dal_logger_destroy(struct dal_logger **logger);
+
+void dm_logger_write(
+		struct dal_logger *logger,
+		enum dc_log_type log_type,
+		const char *msg,
+		...);
+
+void dm_logger_append(
+		struct log_entry *entry,
+		const char *msg,
+		...);
+
+void dm_logger_open(
+		struct dal_logger *logger,
+		struct log_entry *entry,
+		enum dc_log_type log_type);
+
+void dm_logger_close(struct log_entry *entry);
+
+void dc_conn_log(struct dc_context *ctx,
+		const struct dc_link *link,
+		uint8_t *hex_data,
+		int hex_data_count,
+		enum dc_log_type event,
+		const char *msg,
+		...);
+
+void logger_write(struct dal_logger *logger,
+		enum dc_log_type log_type,
+		const char *msg,
+		void *paralist);
+
+void pre_surface_trace(
+		const struct dc *dc,
+		const struct dc_surface *const *surfaces,
+		int surface_count);
+
+void update_surface_trace(
+		const struct dc *dc,
+		const struct dc_surface_update *updates,
+		int surface_count);
+
+void post_surface_trace(const struct dc *dc);
+
+
+/* Any function which is empty or have incomplete implementation should be
+ * marked by this macro.
+ * Note that the message will be printed exactly once for every function
+ * it is used in order to avoid repeating of the same message. */
+#define DAL_LOGGER_NOT_IMPL(fmt, ...) \
+{ \
+	static bool print_not_impl = true; \
+\
+	if (print_not_impl == true) { \
+		print_not_impl = false; \
+		dm_logger_write(ctx->logger, LOG_WARNING, \
+		"DAL_NOT_IMPL: " fmt, ##__VA_ARGS__); \
+	} \
+}
+
+/******************************************************************************
+ * Convenience macros to save on typing.
+ *****************************************************************************/
+
+#define DC_ERROR(...) \
+	dm_logger_write(dc_ctx->logger, LOG_ERROR, \
+		__VA_ARGS__);
+
+#define DC_SYNC_INFO(...) \
+	dm_logger_write(dc_ctx->logger, LOG_SYNC, \
+		__VA_ARGS__);
+
+
+/* Connectivity log format:
+ * [time stamp]   [drm] [Major_minor] [connector name] message.....
+ * eg:
+ * [   26.590965] [drm] [Conn_LKTN]	  [DP-1] HBRx4 pass VS=0, PE=0^
+ * [   26.881060] [drm] [Conn_Mode]	  [DP-1] {2560x1080, 2784x1111@185580Khz}^
+ */
+
+#define CONN_DATA_DETECT(link, hex_data, hex_len, ...) \
+		dc_conn_log(link->ctx, &link->public, hex_data, hex_len, \
+				LOG_EVENT_DETECTION, ##__VA_ARGS__)
+
+#define CONN_DATA_LINK_LOSS(link, hex_data, hex_len, ...) \
+		dc_conn_log(link->ctx, &link->public, hex_data, hex_len, \
+				LOG_EVENT_LINK_LOSS, ##__VA_ARGS__)
+
+#define CONN_MSG_LT(link, ...) \
+		dc_conn_log(link->ctx, &link->public, NULL, 0, \
+				LOG_EVENT_LINK_TRAINING, ##__VA_ARGS__)
+
+#define CONN_MSG_MODE(link, ...) \
+		dc_conn_log(link->ctx, &link->public, NULL, 0, \
+				LOG_EVENT_MODE_SET, ##__VA_ARGS__)
+
+#endif /* __DAL_LOGGER_INTERFACE_H__ */