Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Harry Wentland | 187 | 99.47% | 1 | 50.00% |
Dave Airlie | 1 | 0.53% | 1 | 50.00% |
Total | 188 | 2 |
/* * 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_SW_ENGINE_H__ #define __DAL_I2C_SW_ENGINE_H__ enum { I2C_SW_RETRIES = 10, I2C_SW_SCL_READ_RETRIES = 128, /* following value is in microseconds */ I2C_SW_TIMEOUT_DELAY = 3000 }; struct i2c_sw_engine; struct i2c_sw_engine { struct i2c_engine base; uint32_t clock_delay; /* Values below are in KHz */ uint32_t speed; uint32_t default_speed; }; struct i2c_sw_engine_create_arg { uint32_t default_speed; struct dc_context *ctx; }; void dal_i2c_sw_engine_construct( struct i2c_sw_engine *engine, const struct i2c_sw_engine_create_arg *arg); bool dal_i2caux_i2c_sw_engine_acquire_engine( struct i2c_engine *engine, struct ddc *ddc_handle); void dal_i2c_sw_engine_destruct( struct i2c_sw_engine *engine); struct i2c_engine *dal_i2c_sw_engine_create( const struct i2c_sw_engine_create_arg *arg); enum i2caux_engine_type dal_i2c_sw_engine_get_engine_type( const struct engine *engine); bool dal_i2c_sw_engine_submit_request( struct engine *ptr, struct i2caux_transaction_request *i2caux_request, bool middle_of_transaction); uint32_t dal_i2c_sw_engine_get_speed( const struct i2c_engine *engine); void dal_i2c_sw_engine_set_speed( struct i2c_engine *ptr, uint32_t speed); void dal_i2c_sw_engine_submit_channel_request( struct i2c_engine *ptr, struct i2c_request_transaction_data *req); enum i2c_channel_operation_result dal_i2c_sw_engine_get_channel_status( struct i2c_engine *engine, uint8_t *returned_bytes); #endif
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