/* * 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 /* Address range from 0x00 to 0x1F.*/ #define DP_ADAPTOR_TYPE2_SIZE 0x20 #define DP_ADAPTOR_TYPE2_REG_ID 0x10 #define DP_ADAPTOR_TYPE2_REG_MAX_TMDS_CLK 0x1D /* Identifies adaptor as Dual-mode adaptor */ #define DP_ADAPTOR_TYPE2_ID 0xA0 /* MHz*/ #define DP_ADAPTOR_TYPE2_MAX_TMDS_CLK 600 /* MHz*/ #define DP_ADAPTOR_TYPE2_MIN_TMDS_CLK 25 /* kHZ*/ #define DP_ADAPTOR_DVI_MAX_TMDS_CLK 165000 /* kHZ*/ #define DP_ADAPTOR_HDMI_SAFE_MAX_TMDS_CLK 165000 #define DDC_I2C_COMMAND_ENGINE I2C_COMMAND_ENGINE_SW 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; void dal_ddc_i2c_payloads_add( struct i2c_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 dc_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); 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); int dc_link_aux_transfer(struct ddc_service *ddc, struct aux_payload *payload); bool dc_link_aux_transfer_with_retries(struct ddc_service *ddc, struct aux_payload *payload); 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); uint32_t get_defer_delay(struct ddc_service *ddc); #endif /* __DAL_DDC_SERVICE_H__ */