/* * 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 * */ #ifndef __DCE_I2C_SW_H__ #define __DCE_I2C_SW_H__ enum { DCE_I2C_DEFAULT_I2C_SW_SPEED = 50, I2C_SW_RETRIES = 10, I2C_SW_TIMEOUT_DELAY = 3000, }; struct dce_i2c_sw { struct ddc *ddc; struct dc_context *ctx; uint32_t clock_delay; uint32_t speed; }; void dce_i2c_sw_construct( struct dce_i2c_sw *dce_i2c_sw, struct dc_context *ctx); bool dce_i2c_submit_command_sw( struct resource_pool *pool, struct ddc *ddc, struct i2c_command *cmd, struct dce_i2c_sw *dce_i2c_sw); bool dce_i2c_engine_acquire_sw( struct dce_i2c_sw *dce_i2c_sw, struct ddc *ddc_handle); #endif