1 files changed, 142 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/dal/topology/tm_utils.h b/drivers/gpu/drm/amd/dal/topology/tm_utils.h
new file mode 100644
index 000000000000..d57339eef8d6
--- /dev/null
+++ b/drivers/gpu/drm/amd/dal/topology/tm_utils.h
@@ -0,0 +1,142 @@
+#ifndef __DAL_TM_UTILS_H__
+#define __DAL_TM_UTILS_H__
+
+#include "include/grph_object_id.h"
+#include "include/signal_types.h"
+#include "include/grph_object_ctrl_defs.h"
+#include "include/ddc_service_types.h"
+#include "include/dcs_types.h"
+#include "include/link_service_interface.h"
+#include "include/clock_source_types.h"
+#include "include/topology_mgr_interface.h"
+
+#include "tm_internal_types.h"
+#include "tm_resource_mgr.h"
+
+struct tm_calc_subset {
+	/* defines upper limit (exclusive) of possible values
+	 * lower limit is 0
+	 */
+	uint32_t max_value;
+	/* defines upper limit (inclusive) of subset size
+	 * lower limit is 1
+	 */
+	uint32_t max_subset_size;
+	/* size of current subset */
+	uint32_t subset_size;
+	/* stores display indices which are checked for co-func*/
+	uint32_t buffer[MAX_COFUNCTIONAL_PATHS];
+};
+
+enum tm_utils_display_type {
+	DISPLAY_MONITOR,
+	DISPLAY_TELEVISION,
+	DISPLAY_LCD_PANEL,
+	DISPLAY_DFP,
+	DISPLAY_COMPONENT_VIDEO
+};
+
+const char *tm_utils_encoder_id_to_str(enum encoder_id id);
+
+const char *tm_utils_connector_id_to_str(enum connector_id id);
+
+const char *tm_utils_audio_id_to_str(enum audio_id id);
+
+const char *tm_utils_controller_id_to_str(enum controller_id id);
+
+const char *tm_utils_clock_source_id_to_str(enum clock_source_id id);
+
+const char *tm_utils_engine_id_to_str(enum engine_id id);
+
+const char *tm_utils_go_type_to_str(struct graphics_object_id id);
+
+const char *tm_utils_go_id_to_str(struct graphics_object_id id);
+
+const char *tm_utils_go_enum_to_str(struct graphics_object_id id);
+
+const char *tm_utils_transmitter_id_to_str(struct graphics_object_id id);
+
+enum dal_device_type tm_utils_signal_type_to_device_type(
+		enum signal_type signal);
+
+enum dcs_interface_type dal_tm_utils_signal_type_to_interface_type(
+		enum signal_type signal);
+
+const char *tm_utils_signal_type_to_str(enum signal_type type);
+
+const char *tm_utils_engine_priority_to_str(enum tm_engine_priority priority);
+
+enum tm_display_type tm_utils_device_id_to_tm_display_type(struct device_id id);
+
+const char *tm_utils_device_type_to_str(enum dal_device_type device);
+
+const char *tm_utils_hpd_line_to_str(enum hpd_source_id line);
+
+const char *tm_utils_ddc_line_to_str(enum channel_id line);
+
+void tm_utils_set_bit(uint32_t *bitmap, uint8_t bit);
+
+void tm_utils_clear_bit(uint32_t *bitmap, uint8_t bit);
+
+bool tm_utils_test_bit(uint32_t *bitmap, uint8_t bit);
+
+bool tm_utils_is_clock_sharing_mismatch(
+		enum clock_sharing_level sharing_level,
+		enum clock_sharing_group sharing_group);
+
+enum link_service_type tm_utils_signal_to_link_service_type(
+		enum signal_type signal);
+
+bool tm_utils_is_destructive_method(enum tm_detection_method method);
+
+bool tm_utils_is_edid_connector_type_valid_with_signal_type(
+		enum display_dongle_type dongle_type,
+		enum dcs_edid_connector_type edid_conn,
+		enum signal_type signal);
+
+enum signal_type tm_utils_get_downgraded_signal_type(
+		enum signal_type signal,
+		enum dcs_edid_connector_type connector_type);
+
+enum signal_type tm_utils_downgrade_to_no_audio_signal(
+		enum signal_type signal);
+
+enum ddc_transaction_type tm_utils_get_ddc_transaction_type(
+		enum signal_type sink_signal,
+		enum signal_type asic_signal);
+
+/******************************************************************************
+ * TM Subset. A helper object to prepare a buffer of display indices to be
+ * checked for co-functionality
+ *****************************************************************************/
+struct tm_calc_subset *dal_tm_calc_subset_create(void);
+
+void dal_tm_calc_subset_destroy(struct tm_calc_subset *subset);
+
+uint32_t dal_tm_calc_subset_get_value(
+	struct tm_calc_subset *subset,
+	uint32_t index);
+
+bool dal_tm_calc_subset_start(
+	struct tm_calc_subset *subset,
+	uint32_t max_value,
+	uint32_t max_subset_size);
+
+bool dal_tm_calc_subset_step(struct tm_calc_subset *subset);
+
+bool dal_tm_calc_subset_skip(struct tm_calc_subset *subset);
+
+/******************************************************************************
+ * Miscellaneous functions
+ *****************************************************************************/
+char *tm_utils_get_tm_resource_str(struct tm_resource *tm_resource);
+
+bool tm_utils_is_supported_engine(union supported_stream_engines se,
+		enum engine_id engine);
+
+bool tm_utils_is_dp_connector(const struct connector *cntr);
+
+/* Check if signal at "ASIC link" is Display Port. */
+bool tm_utils_is_dp_asic_signal(const struct display_path *display_path);
+
+#endif /* __DAL_TM_UTILS_H__ */