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, 189 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/display/include/ddc_service_types.h b/drivers/gpu/drm/amd/display/include/ddc_service_types.h
new file mode 100644
index 000000000000..0a6ba91e3eba
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/include/ddc_service_types.h
@@ -0,0 +1,189 @@
+/*
+ * 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_TYPES_H__
+#define __DAL_DDC_SERVICE_TYPES_H__
+
+#define DP_BRANCH_DEVICE_ID_1 0x0010FA
+#define DP_BRANCH_DEVICE_ID_2 0x0022B9
+#define DP_SINK_DEVICE_ID_1 0x4CE000
+#define DP_BRANCH_DEVICE_ID_3 0x00001A
+#define DP_BRANCH_DEVICE_ID_4 0x0080e1
+#define DP_BRANCH_DEVICE_ID_5 0x006037
+#define DP_SINK_DEVICE_ID_2 0x001CF8
+
+
+enum ddc_result {
+	DDC_RESULT_UNKNOWN = 0,
+	DDC_RESULT_SUCESSFULL,
+	DDC_RESULT_FAILED_CHANNEL_BUSY,
+	DDC_RESULT_FAILED_TIMEOUT,
+	DDC_RESULT_FAILED_PROTOCOL_ERROR,
+	DDC_RESULT_FAILED_NACK,
+	DDC_RESULT_FAILED_INCOMPLETE,
+	DDC_RESULT_FAILED_OPERATION,
+	DDC_RESULT_FAILED_INVALID_OPERATION,
+	DDC_RESULT_FAILED_BUFFER_OVERFLOW
+};
+
+enum ddc_service_type {
+	DDC_SERVICE_TYPE_CONNECTOR,
+	DDC_SERVICE_TYPE_DISPLAY_PORT_MST,
+};
+
+enum dcs_dpcd_revision {
+	DCS_DPCD_REV_10 = 0x10,
+	DCS_DPCD_REV_11 = 0x11,
+	DCS_DPCD_REV_12 = 0x12
+};
+
+/**
+ * display sink capability
+ */
+struct display_sink_capability {
+	/* dongle type (DP converter, CV smart dongle) */
+	enum display_dongle_type dongle_type;
+
+	/**********************************************************
+	 capabilities going INTO SINK DEVICE (stream capabilities)
+	 **********************************************************/
+	/* Dongle's downstream count. */
+	uint32_t downstrm_sink_count;
+	/* Is dongle's downstream count info field (downstrm_sink_count)
+	 * valid. */
+	bool downstrm_sink_count_valid;
+
+	/* Maximum additional audio delay in microsecond (us) */
+	uint32_t additional_audio_delay;
+	/* Audio latency value in microsecond (us) */
+	uint32_t audio_latency;
+	/* Interlace video latency value in microsecond (us) */
+	uint32_t video_latency_interlace;
+	/* Progressive video latency value in microsecond (us) */
+	uint32_t video_latency_progressive;
+	/* Dongle caps: Maximum pixel clock supported over dongle for HDMI */
+	uint32_t max_hdmi_pixel_clock;
+	/* Dongle caps: Maximum deep color supported over dongle for HDMI */
+	enum dc_color_depth max_hdmi_deep_color;
+
+	/************************************************************
+	 capabilities going OUT OF SOURCE DEVICE (link capabilities)
+	 ************************************************************/
+	/* support for Spread Spectrum(SS) */
+	bool ss_supported;
+	/* DP link settings (laneCount, linkRate, Spread) */
+	uint32_t dp_link_lane_count;
+	uint32_t dp_link_rate;
+	uint32_t dp_link_spead;
+
+	enum dcs_dpcd_revision dpcd_revision;
+	/* If dongle_type == DISPLAY_DONGLE_DP_HDMI_CONVERTER,
+	indicates 'Frame Sequential-to-lllFrame Pack' conversion capability.*/
+	bool is_dp_hdmi_s3d_converter;
+	/* to check if we have queried the display capability
+	 * for eDP panel already. */
+	bool is_edp_sink_cap_valid;
+
+	enum ddc_transaction_type transaction_type;
+	enum signal_type signal;
+};
+
+struct av_sync_data {
+	uint8_t av_granularity;/* DPCD 00023h */
+	uint8_t aud_dec_lat1;/* DPCD 00024h */
+	uint8_t aud_dec_lat2;/* DPCD 00025h */
+	uint8_t aud_pp_lat1;/* DPCD 00026h */
+	uint8_t aud_pp_lat2;/* DPCD 00027h */
+	uint8_t vid_inter_lat;/* DPCD 00028h */
+	uint8_t vid_prog_lat;/* DPCD 00029h */
+	uint8_t aud_del_ins1;/* DPCD 0002Bh */
+	uint8_t aud_del_ins2;/* DPCD 0002Ch */
+	uint8_t aud_del_ins3;/* DPCD 0002Dh */
+};
+
+/** EDID retrieval related constants, also used by MstMgr **/
+
+#define DDC_EDID_SEGMENT_SIZE 256
+#define DDC_EDID_BLOCK_SIZE 128
+#define DDC_EDID_BLOCKS_PER_SEGMENT \
+	(DDC_EDID_SEGMENT_SIZE / DDC_EDID_BLOCK_SIZE)
+
+#define DDC_EDID_EXT_COUNT_OFFSET 0x7E
+
+#define DDC_EDID_ADDRESS_START 0x50
+#define DDC_EDID_ADDRESS_END 0x52
+#define DDC_EDID_SEGMENT_ADDRESS 0x30
+
+/* signatures for Edid 1x */
+#define DDC_EDID1X_VENDORID_SIGNATURE_OFFSET 8
+#define DDC_EDID1X_VENDORID_SIGNATURE_LEN 4
+#define DDC_EDID1X_EXT_CNT_AND_CHECKSUM_OFFSET 126
+#define DDC_EDID1X_EXT_CNT_AND_CHECKSUM_LEN 2
+#define DDC_EDID1X_CHECKSUM_OFFSET 127
+/* signatures for Edid 20*/
+#define DDC_EDID_20_SIGNATURE_OFFSET 0
+#define DDC_EDID_20_SIGNATURE 0x20
+
+#define DDC_EDID20_VENDORID_SIGNATURE_OFFSET 1
+#define DDC_EDID20_VENDORID_SIGNATURE_LEN 4
+#define DDC_EDID20_CHECKSUM_OFFSET 255
+#define DDC_EDID20_CHECKSUM_LEN 1
+
+/*DP to VGA converter*/
+static const uint8_t DP_VGA_CONVERTER_ID_1[] = "mVGAa";
+/*DP to Dual link DVI converter*/
+static const uint8_t DP_DVI_CONVERTER_ID_1[] = "m2DVIa";
+/*Travis*/
+static const uint8_t DP_VGA_LVDS_CONVERTER_ID_2[] = "sivarT";
+/*Nutmeg*/
+static const uint8_t DP_VGA_LVDS_CONVERTER_ID_3[] = "dnomlA";
+/*DP to VGA converter*/
+static const uint8_t DP_VGA_CONVERTER_ID_4[] = "DpVga";
+/*DP to Dual link DVI converter*/
+static const uint8_t DP_DVI_CONVERTER_ID_4[] = "m2DVIa";
+/*DP to Dual link DVI converter 2*/
+static const uint8_t DP_DVI_CONVERTER_ID_42[] = "v2DVIa";
+
+static const uint8_t DP_SINK_DEV_STRING_ID2_REV0[] = "\0\0\0\0\0\0";
+
+/* Identifies second generation PSR TCON from Parade: Device ID string:
+ * yy-xx-**-**-**-**
+ */
+/* xx - Hw ID high byte */
+static const uint32_t DP_SINK_DEV_STRING_ID2_REV1_HW_ID_HIGH_BYTE =
+	0x06;
+
+/* yy - HW ID low byte, the same silicon has several package/feature flavors */
+static const uint32_t DP_SINK_DEV_STRING_ID2_REV1_HW_ID_LOW_BYTE1 =
+	0x61;
+static const uint32_t DP_SINK_DEV_STRING_ID2_REV1_HW_ID_LOW_BYTE2 =
+	0x62;
+static const uint32_t DP_SINK_DEV_STRING_ID2_REV1_HW_ID_LOW_BYTE3 =
+	0x63;
+static const uint32_t DP_SINK_DEV_STRING_ID2_REV1_HW_ID_LOW_BYTE4 =
+	0x72;
+static const uint32_t DP_SINK_DEV_STRING_ID2_REV1_HW_ID_LOW_BYTE5 =
+	0x73;
+
+#endif /* __DAL_DDC_SERVICE_TYPES_H__ */