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>

1 files changed, 112 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/display/modules/inc/mod_power.h b/drivers/gpu/drm/amd/display/modules/inc/mod_power.h
new file mode 100644
index 000000000000..a204e8d6cd23
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/modules/inc/mod_power.h
@@ -0,0 +1,112 @@
+/*
+ * Copyright 2016 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 MODULES_INC_MOD_POWER_H_
+#define MODULES_INC_MOD_POWER_H_
+
+#include "dm_services.h"
+
+struct mod_power {
+	int dummy;
+};
+
+/* VariBright related commands */
+enum varibright_command {
+	VariBright_Cmd__SetVBLevel = 0,
+	VariBright_Cmd__UserEnable,
+	VariBright_Cmd__PreDisplayConfigChange,
+	VariBright_Cmd__PostDisplayConfigChange,
+	VariBright_Cmd__SuspendABM,
+	VariBright_Cmd__ResumeABM,
+
+	VariBright_Cmd__Unknown,
+};
+
+/* VariBright settings structure */
+struct varibright_info {
+	enum varibright_command cmd;
+
+	unsigned int level;
+	bool enable;
+	bool activate;
+};
+
+enum dmcu_block_psr_reason {
+	/* This is a bitfield mask */
+	dmcu_block_psr_reason_invalid = 0x0,
+	dmcu_block_psr_reason_vsync_int = 0x1,
+	dmcu_block_psr_reason_shared_primary = 0x2,
+	dmcu_block_psr_reason_unsupported_link_rate = 0x4
+};
+
+struct mod_power *mod_power_create(struct dc *dc);
+
+void mod_power_destroy(struct mod_power *mod_power);
+
+bool mod_power_add_sink(struct mod_power *mod_power,
+		const struct dc_sink *sink);
+
+bool mod_power_remove_sink(struct mod_power *mod_power,
+		const struct dc_sink *sink);
+
+bool mod_power_set_backlight(struct mod_power *mod_power,
+		const struct dc_stream **streams, int num_streams,
+		unsigned int backlight_8bit);
+
+bool mod_power_get_backlight(struct mod_power *mod_power,
+		const struct dc_sink *sink,
+		unsigned int *backlight_8bit);
+
+void mod_power_initialize_backlight_caps
+		(struct mod_power *mod_power);
+
+unsigned int mod_power_backlight_level_percentage_to_signal
+		(struct mod_power *mod_power, unsigned int percentage);
+
+unsigned int mod_power_backlight_level_signal_to_percentage
+	(struct mod_power *mod_power, unsigned int signalLevel8bit);
+
+bool mod_power_get_panel_backlight_boundaries
+				(struct mod_power *mod_power,
+				unsigned int *min_backlight,
+				unsigned int *max_backlight,
+				unsigned int *output_ac_level_percentage,
+				unsigned int *output_dc_level_percentage);
+
+bool mod_power_set_smooth_brightness(struct mod_power *mod_power,
+		const struct dc_sink *sink, bool enable_brightness);
+
+bool mod_power_notify_mode_change(struct mod_power *mod_power,
+		const struct dc_stream *stream);
+
+bool mod_power_varibright_control(struct mod_power *mod_power,
+		struct varibright_info *input_varibright_info);
+
+bool mod_power_block_psr(bool block_enable, enum dmcu_block_psr_reason reason);
+
+bool mod_power_set_psr_enable(struct mod_power *mod_power,
+		bool psr_enable);
+
+#endif /* MODULES_INC_MOD_POWER_H_ */