142 lines
3.9 KiB
C
142 lines
3.9 KiB
C
/*
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* Copyright 2012-15 Advanced Micro Devices, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors: AMD
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*
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*/
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#ifndef __DAL_DDC_SERVICE_H__
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#define __DAL_DDC_SERVICE_H__
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#include "include/ddc_service_types.h"
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#include "include/i2caux_interface.h"
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#define EDID_SEGMENT_SIZE 256
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/* Address range from 0x00 to 0x1F.*/
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#define DP_ADAPTOR_TYPE2_SIZE 0x20
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#define DP_ADAPTOR_TYPE2_REG_ID 0x10
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#define DP_ADAPTOR_TYPE2_REG_MAX_TMDS_CLK 0x1D
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/* Identifies adaptor as Dual-mode adaptor */
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#define DP_ADAPTOR_TYPE2_ID 0xA0
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/* MHz*/
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#define DP_ADAPTOR_TYPE2_MAX_TMDS_CLK 600
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/* MHz*/
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#define DP_ADAPTOR_TYPE2_MIN_TMDS_CLK 25
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/* kHZ*/
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#define DP_ADAPTOR_DVI_MAX_TMDS_CLK 165000
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/* kHZ*/
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#define DP_ADAPTOR_HDMI_SAFE_MAX_TMDS_CLK 165000
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#define DDC_I2C_COMMAND_ENGINE I2C_COMMAND_ENGINE_SW
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struct ddc_service;
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struct graphics_object_id;
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enum ddc_result;
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struct av_sync_data;
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struct dp_receiver_id_info;
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struct i2c_payloads;
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struct aux_payloads;
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void dal_ddc_i2c_payloads_add(
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struct i2c_payloads *payloads,
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uint32_t address,
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uint32_t len,
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uint8_t *data,
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bool write);
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void dal_ddc_aux_payloads_add(
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struct aux_payloads *payloads,
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uint32_t address,
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uint32_t len,
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uint8_t *data,
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bool write);
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struct ddc_service_init_data {
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struct graphics_object_id id;
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struct dc_context *ctx;
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struct dc_link *link;
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};
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struct ddc_service *dal_ddc_service_create(
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struct ddc_service_init_data *ddc_init_data);
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void dal_ddc_service_destroy(struct ddc_service **ddc);
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enum ddc_service_type dal_ddc_service_get_type(struct ddc_service *ddc);
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void dal_ddc_service_set_transaction_type(
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struct ddc_service *ddc,
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enum ddc_transaction_type type);
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bool dal_ddc_service_is_in_aux_transaction_mode(struct ddc_service *ddc);
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void dal_ddc_service_i2c_query_dp_dual_mode_adaptor(
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struct ddc_service *ddc,
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struct display_sink_capability *sink_cap);
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bool dal_ddc_service_query_ddc_data(
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struct ddc_service *ddc,
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uint32_t address,
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uint8_t *write_buf,
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uint32_t write_size,
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uint8_t *read_buf,
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uint32_t read_size);
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ssize_t dal_ddc_service_read_dpcd_data(
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struct ddc_service *ddc,
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bool i2c,
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enum i2c_mot_mode mot,
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uint32_t address,
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uint8_t *data,
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uint32_t len);
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enum ddc_result dal_ddc_service_write_dpcd_data(
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struct ddc_service *ddc,
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bool i2c,
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enum i2c_mot_mode mot,
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uint32_t address,
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const uint8_t *data,
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uint32_t len);
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void dal_ddc_service_write_scdc_data(
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struct ddc_service *ddc_service,
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uint32_t pix_clk,
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bool lte_340_scramble);
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void dal_ddc_service_read_scdc_data(
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struct ddc_service *ddc_service);
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void ddc_service_set_dongle_type(struct ddc_service *ddc,
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enum display_dongle_type dongle_type);
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void dal_ddc_service_set_ddc_pin(
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struct ddc_service *ddc_service,
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struct ddc *ddc);
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struct ddc *dal_ddc_service_get_ddc_pin(struct ddc_service *ddc_service);
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uint32_t get_defer_delay(struct ddc_service *ddc);
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#endif /* __DAL_DDC_SERVICE_H__ */
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