/* * 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__ */