drivers/gpu/drm/amd/display/dc/i2caux/dce110/i2caux_dce110.h

   1 /*
   2  * Copyright 2012-15 Advanced Micro Devices, Inc.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  * Authors: AMD
  23  *
  24  */
  25
  26 #ifndef __DAL_I2C_AUX_DCE110_H__
  27 #define __DAL_I2C_AUX_DCE110_H__
  28
  29 #include "../i2caux.h"
  30
  31 struct i2caux_dce110 {
  32         struct i2caux base;
  33         /* indicate the I2C HW circular buffer is in use */
  34         bool i2c_hw_buffer_in_use;
  35 };
  36
  37 struct dce110_aux_registers;
  38 struct dce110_i2c_hw_engine_registers;
  39 struct dce110_i2c_hw_engine_shift;
  40 struct dce110_i2c_hw_engine_mask;
  41
  42 struct i2caux *dal_i2caux_dce110_create(
  43         struct dc_context *ctx);
  44
  45 bool dal_i2caux_dce110_construct(
  46         struct i2caux_dce110 *i2caux_dce110,
  47         struct dc_context *ctx,
  48         const struct dce110_aux_registers *aux_regs,
  49         const struct dce110_i2c_hw_engine_registers *i2c_hw_engine_regs,
  50         const struct dce110_i2c_hw_engine_shift *i2c_shift,
  51         const struct dce110_i2c_hw_engine_mask *i2c_mask);
  52
  53 #endif /* __DAL_I2C_AUX_DCE110_H__ */