root/sys/dev/drm/amd/display/include/link_service_types.h
/*
 * 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_LINK_SERVICE_TYPES_H__
#define __DAL_LINK_SERVICE_TYPES_H__

#include "grph_object_id.h"
#include "dal_types.h"
#include "irq_types.h"

/*struct mst_mgr_callback_object;*/
struct ddc;
struct irq_manager;

enum {
        MAX_CONTROLLER_NUM = 6
};

enum dp_power_state {
        DP_POWER_STATE_D0 = 1,
        DP_POWER_STATE_D3
};

enum edp_revision {
        /* eDP version 1.1 or lower */
        EDP_REVISION_11 = 0x00,
        /* eDP version 1.2 */
        EDP_REVISION_12 = 0x01,
        /* eDP version 1.3 */
        EDP_REVISION_13 = 0x02
};

enum {
        LINK_RATE_REF_FREQ_IN_KHZ = 27000 /*27MHz*/
};

enum link_training_result {
        LINK_TRAINING_SUCCESS,
        LINK_TRAINING_CR_FAIL_LANE0,
        LINK_TRAINING_CR_FAIL_LANE1,
        LINK_TRAINING_CR_FAIL_LANE23,
        /* CR DONE bit is cleared during EQ step */
        LINK_TRAINING_EQ_FAIL_CR,
        /* other failure during EQ step */
        LINK_TRAINING_EQ_FAIL_EQ,
        LINK_TRAINING_LQA_FAIL,
};

struct link_training_settings {
        struct dc_link_settings link_settings;
        struct dc_lane_settings lane_settings[LANE_COUNT_DP_MAX];
        bool allow_invalid_msa_timing_param;
};

enum hw_dp_training_pattern {
        HW_DP_TRAINING_PATTERN_1 = 0,
        HW_DP_TRAINING_PATTERN_2,
        HW_DP_TRAINING_PATTERN_3,
        HW_DP_TRAINING_PATTERN_4
};

/*TODO: Move this enum test harness*/
/* Test patterns*/
enum dp_test_pattern {
        /* Input data is pass through Scrambler
         * and 8b10b Encoder straight to output*/
        DP_TEST_PATTERN_VIDEO_MODE = 0,

        /* phy test patterns*/
        DP_TEST_PATTERN_PHY_PATTERN_BEGIN,
        DP_TEST_PATTERN_D102 = DP_TEST_PATTERN_PHY_PATTERN_BEGIN,
        DP_TEST_PATTERN_SYMBOL_ERROR,
        DP_TEST_PATTERN_PRBS7,
        DP_TEST_PATTERN_80BIT_CUSTOM,
        DP_TEST_PATTERN_CP2520_1,
        DP_TEST_PATTERN_CP2520_2,
        DP_TEST_PATTERN_HBR2_COMPLIANCE_EYE = DP_TEST_PATTERN_CP2520_2,
        DP_TEST_PATTERN_CP2520_3,

        /* Link Training Patterns */
        DP_TEST_PATTERN_TRAINING_PATTERN1,
        DP_TEST_PATTERN_TRAINING_PATTERN2,
        DP_TEST_PATTERN_TRAINING_PATTERN3,
        DP_TEST_PATTERN_TRAINING_PATTERN4,
        DP_TEST_PATTERN_PHY_PATTERN_END = DP_TEST_PATTERN_TRAINING_PATTERN4,

        /* link test patterns*/
        DP_TEST_PATTERN_COLOR_SQUARES,
        DP_TEST_PATTERN_COLOR_SQUARES_CEA,
        DP_TEST_PATTERN_VERTICAL_BARS,
        DP_TEST_PATTERN_HORIZONTAL_BARS,
        DP_TEST_PATTERN_COLOR_RAMP,

        /* audio test patterns*/
        DP_TEST_PATTERN_AUDIO_OPERATOR_DEFINED,
        DP_TEST_PATTERN_AUDIO_SAWTOOTH,

        DP_TEST_PATTERN_UNSUPPORTED
};

enum dp_panel_mode {
        /* not required */
        DP_PANEL_MODE_DEFAULT,
        /* standard mode for eDP */
        DP_PANEL_MODE_EDP,
        /* external chips specific settings */
        DP_PANEL_MODE_SPECIAL
};

/* DPCD_ADDR_TRAINING_LANEx_SET registers value */
union dpcd_training_lane_set {
        struct {
#if defined(LITTLEENDIAN_CPU)
                uint8_t VOLTAGE_SWING_SET:2;
                uint8_t MAX_SWING_REACHED:1;
                uint8_t PRE_EMPHASIS_SET:2;
                uint8_t MAX_PRE_EMPHASIS_REACHED:1;
                /* following is reserved in DP 1.1 */
                uint8_t POST_CURSOR2_SET:2;
#elif defined(BIGENDIAN_CPU)
                uint8_t POST_CURSOR2_SET:2;
                uint8_t MAX_PRE_EMPHASIS_REACHED:1;
                uint8_t PRE_EMPHASIS_SET:2;
                uint8_t MAX_SWING_REACHED:1;
                uint8_t VOLTAGE_SWING_SET:2;
#else
        #error ARCH not defined!
#endif
        } bits;

        uint8_t raw;
};


/* DP MST stream allocation (payload bandwidth number) */
struct dp_mst_stream_allocation {
        uint8_t vcp_id;
        /* number of slots required for the DP stream in
         * transport packet */
        uint8_t slot_count;
};

/* DP MST stream allocation table */
struct dp_mst_stream_allocation_table {
        /* number of DP video streams */
        int stream_count;
        /* array of stream allocations */
        struct dp_mst_stream_allocation stream_allocations[MAX_CONTROLLER_NUM];
};

#endif /*__DAL_LINK_SERVICE_TYPES_H__*/