/* * 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_I2C_HW_ENGINE_DCE80_H__ #define __DAL_I2C_HW_ENGINE_DCE80_H__ struct i2c_hw_engine_dce80 { struct i2c_hw_engine base; struct { uint32_t DC_I2C_DDCX_SETUP; uint32_t DC_I2C_DDCX_SPEED; } addr; uint32_t engine_id; /* expressed in kilohertz */ uint32_t reference_frequency; /* number of bytes currently used in HW buffer */ uint32_t buffer_used_bytes; /* number of pending transactions (before GO) */ uint32_t transaction_count; uint32_t engine_keep_power_up_count; }; struct i2c_hw_engine_dce80_create_arg { uint32_t engine_id; uint32_t reference_frequency; uint32_t default_speed; struct dc_context *ctx; }; struct i2c_engine *dal_i2c_hw_engine_dce80_create( const struct i2c_hw_engine_dce80_create_arg *arg); #endif