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, 145 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/display/dc/inc/dc_link_ddc.h b/drivers/gpu/drm/amd/display/dc/inc/dc_link_ddc.h
new file mode 100644
index 000000000000..830fc3d039c9
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/inc/dc_link_ddc.h
@@ -0,0 +1,145 @@
+/*
+ * 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_DDC_SERVICE_H__
+#define __DAL_DDC_SERVICE_H__
+
+#include "include/ddc_service_types.h"
+#include "include/i2caux_interface.h"
+
+#define EDID_SEGMENT_SIZE 256
+
+struct ddc_service;
+struct graphics_object_id;
+enum ddc_result;
+struct av_sync_data;
+struct dp_receiver_id_info;
+
+struct i2c_payloads;
+struct aux_payloads;
+
+struct i2c_payloads *dal_ddc_i2c_payloads_create(struct dc_context *ctx, uint32_t count);
+struct i2c_payload *dal_ddc_i2c_payloads_get(struct i2c_payloads *p);
+uint32_t  dal_ddc_i2c_payloads_get_count(struct i2c_payloads *p);
+void dal_ddc_i2c_payloads_destroy(struct i2c_payloads **p);
+
+struct aux_payloads *dal_ddc_aux_payloads_create(struct dc_context *ctx, uint32_t count);
+struct aux_payload *dal_ddc_aux_payloads_get(struct aux_payloads *p);
+uint32_t dal_ddc_aux_payloads_get_count(struct aux_payloads *p);
+void dal_ddc_aux_payloads_destroy(struct aux_payloads **p);
+
+void dal_ddc_i2c_payloads_add(
+		struct i2c_payloads *payloads,
+		uint32_t address,
+		uint32_t len,
+		uint8_t *data,
+		bool write);
+
+void dal_ddc_aux_payloads_add(
+		struct aux_payloads *payloads,
+		uint32_t address,
+		uint32_t len,
+		uint8_t *data,
+		bool write);
+
+struct ddc_service_init_data {
+	struct graphics_object_id id;
+	struct dc_context *ctx;
+	struct core_link *link;
+};
+
+struct ddc_service *dal_ddc_service_create(
+		struct ddc_service_init_data *ddc_init_data);
+
+void dal_ddc_service_destroy(struct ddc_service **ddc);
+
+enum ddc_service_type dal_ddc_service_get_type(struct ddc_service *ddc);
+
+void dal_ddc_service_set_transaction_type(
+		struct ddc_service *ddc,
+		enum ddc_transaction_type type);
+
+bool dal_ddc_service_is_in_aux_transaction_mode(struct ddc_service *ddc);
+
+uint32_t dal_ddc_service_edid_query(struct ddc_service *ddc);
+
+uint32_t dal_ddc_service_get_edid_buf_len(struct ddc_service *ddc);
+
+void dal_ddc_service_get_edid_buf(struct ddc_service *ddc, uint8_t *edid_buf);
+
+void dal_ddc_service_i2c_query_dp_dual_mode_adaptor(
+		struct ddc_service *ddc,
+		struct display_sink_capability *sink_cap);
+
+bool dal_ddc_service_query_ddc_data(
+		struct ddc_service *ddc,
+		uint32_t address,
+		uint8_t *write_buf,
+		uint32_t write_size,
+		uint8_t *read_buf,
+		uint32_t read_size);
+
+enum ddc_result dal_ddc_service_read_dpcd_data(
+		struct ddc_service *ddc,
+		uint32_t address,
+		uint8_t *data,
+		uint32_t len);
+
+enum ddc_result dal_ddc_service_write_dpcd_data(
+		struct ddc_service *ddc,
+		uint32_t address,
+		const uint8_t *data,
+		uint32_t len);
+
+void dal_ddc_service_write_scdc_data(
+		struct ddc_service *ddc_service,
+		uint32_t pix_clk,
+		bool lte_340_scramble);
+
+void dal_ddc_service_read_scdc_data(
+		struct ddc_service *ddc_service);
+
+void ddc_service_set_dongle_type(struct ddc_service *ddc,
+		enum display_dongle_type dongle_type);
+
+void dal_ddc_service_set_ddc_pin(
+		struct ddc_service *ddc_service,
+		struct ddc *ddc);
+
+struct ddc *dal_ddc_service_get_ddc_pin(struct ddc_service *ddc_service);
+
+enum ddc_result dal_ddc_service_read_dpcd_data(
+		struct ddc_service *ddc,
+		uint32_t address,
+		uint8_t *data,
+		uint32_t len);
+enum ddc_result dal_ddc_service_write_dpcd_data(
+		struct ddc_service *ddc,
+		uint32_t address,
+		const uint8_t *data,
+		uint32_t len);
+
+#endif /* __DAL_DDC_SERVICE_H__ */
+