2 * Copyright 2012-15 Advanced Micro Devices, Inc.
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5 * copy of this software and associated documentation files (the "Software"),
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9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
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26 #ifndef __DAL_I2CAUX_INTERFACE_H__
27 #define __DAL_I2CAUX_INTERFACE_H__
30 #include "gpio_service_interface.h"
33 #define DEFAULT_AUX_MAX_DATA_SIZE 16
34 #define AUX_MAX_DEFER_WRITE_RETRY 20
37 /* set following flag to read/write I2C data,
38 * reset it to read/write DPCD data */
40 /* set following flag to write data,
41 * reset it to read data */
49 struct aux_payload *payloads;
50 uint8_t number_of_payloads;
52 /* expressed in milliseconds
53 * zero means "use default value" */
56 /* zero means "use default value" */
57 uint32_t max_defer_write_retry;
59 enum i2c_mot_mode mot;
64 uint32_t ALLOW_AUX_WHEN_HPD_LOW:1;
71 struct i2caux *dal_i2caux_create(
72 struct dc_context *ctx);
74 bool dal_i2caux_submit_i2c_command(
75 struct i2caux *i2caux,
77 struct i2c_command *cmd);
79 bool dal_i2caux_submit_aux_command(
80 struct i2caux *i2caux,
82 struct aux_command *cmd);
84 void dal_i2caux_configure_aux(
85 struct i2caux *i2caux,
87 union aux_config cfg);
89 void dal_i2caux_destroy(