/* * Copyright 2018 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 * */ #include "dce_i2c.h" #include "reg_helper.h" bool dce_i2c_submit_command( struct resource_pool *pool, struct ddc *ddc, struct i2c_command *cmd) { struct dce_i2c_hw *dce_i2c_hw; struct dce_i2c_sw *dce_i2c_sw; if (!ddc) { BREAK_TO_DEBUGGER(); return false; } if (!cmd) { BREAK_TO_DEBUGGER(); return false; } /* The software engine is only available on dce8 */ dce_i2c_sw = dce_i2c_acquire_i2c_sw_engine(pool, ddc); if (!dce_i2c_sw) { dce_i2c_hw = acquire_i2c_hw_engine(pool, ddc); if (!dce_i2c_hw) return false; return dce_i2c_submit_command_hw(pool, ddc, cmd, dce_i2c_hw); } return dce_i2c_submit_command_sw(pool, ddc, cmd, dce_i2c_sw); }