1*b843c749SSergey Zigachev /* 2*b843c749SSergey Zigachev * Copyright 2012-15 Advanced Micro Devices, Inc. 3*b843c749SSergey Zigachev * 4*b843c749SSergey Zigachev * Permission is hereby granted, free of charge, to any person obtaining a 5*b843c749SSergey Zigachev * copy of this software and associated documentation files (the "Software"), 6*b843c749SSergey Zigachev * to deal in the Software without restriction, including without limitation 7*b843c749SSergey Zigachev * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8*b843c749SSergey Zigachev * and/or sell copies of the Software, and to permit persons to whom the 9*b843c749SSergey Zigachev * Software is furnished to do so, subject to the following conditions: 10*b843c749SSergey Zigachev * 11*b843c749SSergey Zigachev * The above copyright notice and this permission notice shall be included in 12*b843c749SSergey Zigachev * all copies or substantial portions of the Software. 13*b843c749SSergey Zigachev * 14*b843c749SSergey Zigachev * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15*b843c749SSergey Zigachev * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16*b843c749SSergey Zigachev * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17*b843c749SSergey Zigachev * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18*b843c749SSergey Zigachev * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19*b843c749SSergey Zigachev * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20*b843c749SSergey Zigachev * OTHER DEALINGS IN THE SOFTWARE. 21*b843c749SSergey Zigachev * 22*b843c749SSergey Zigachev * Authors: AMD 23*b843c749SSergey Zigachev * 24*b843c749SSergey Zigachev */ 25*b843c749SSergey Zigachev 26*b843c749SSergey Zigachev #ifndef __DAL_I2C_HW_ENGINE_DCE80_H__ 27*b843c749SSergey Zigachev #define __DAL_I2C_HW_ENGINE_DCE80_H__ 28*b843c749SSergey Zigachev 29*b843c749SSergey Zigachev struct i2c_hw_engine_dce80 { 30*b843c749SSergey Zigachev struct i2c_hw_engine base; 31*b843c749SSergey Zigachev struct { 32*b843c749SSergey Zigachev uint32_t DC_I2C_DDCX_SETUP; 33*b843c749SSergey Zigachev uint32_t DC_I2C_DDCX_SPEED; 34*b843c749SSergey Zigachev } addr; 35*b843c749SSergey Zigachev uint32_t engine_id; 36*b843c749SSergey Zigachev /* expressed in kilohertz */ 37*b843c749SSergey Zigachev uint32_t reference_frequency; 38*b843c749SSergey Zigachev /* number of bytes currently used in HW buffer */ 39*b843c749SSergey Zigachev uint32_t buffer_used_bytes; 40*b843c749SSergey Zigachev /* number of pending transactions (before GO) */ 41*b843c749SSergey Zigachev uint32_t transaction_count; 42*b843c749SSergey Zigachev uint32_t engine_keep_power_up_count; 43*b843c749SSergey Zigachev }; 44*b843c749SSergey Zigachev 45*b843c749SSergey Zigachev struct i2c_hw_engine_dce80_create_arg { 46*b843c749SSergey Zigachev uint32_t engine_id; 47*b843c749SSergey Zigachev uint32_t reference_frequency; 48*b843c749SSergey Zigachev uint32_t default_speed; 49*b843c749SSergey Zigachev struct dc_context *ctx; 50*b843c749SSergey Zigachev }; 51*b843c749SSergey Zigachev 52*b843c749SSergey Zigachev struct i2c_engine *dal_i2c_hw_engine_dce80_create( 53*b843c749SSergey Zigachev const struct i2c_hw_engine_dce80_create_arg *arg); 54*b843c749SSergey Zigachev #endif 55