7c7f5b15be
Allow Linux to use DRM provided EDID read functioality by moving DAL edid implementation to module hence removing this code from DC by this cleaning up DC code for upstream. v2: Removing ddc_service. No more need for it. Signed-off-by: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com> Acked-by: Harry Wentland <Harry.Wentland@amd.com> Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
93 lines
2.4 KiB
C
93 lines
2.4 KiB
C
/*
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* Copyright 2012-15 Advanced Micro Devices, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors: AMD
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*
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*/
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#ifndef __DAL_I2CAUX_INTERFACE_H__
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#define __DAL_I2CAUX_INTERFACE_H__
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#include "dc_types.h"
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#include "gpio_service_interface.h"
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#define DEFAULT_AUX_MAX_DATA_SIZE 16
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#define AUX_MAX_DEFER_WRITE_RETRY 20
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struct aux_payload {
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/* set following flag to read/write I2C data,
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* reset it to read/write DPCD data */
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bool i2c_over_aux;
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/* set following flag to write data,
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* reset it to read data */
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bool write;
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uint32_t address;
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uint8_t length;
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uint8_t *data;
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};
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struct aux_command {
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struct aux_payload *payloads;
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uint8_t number_of_payloads;
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/* expressed in milliseconds
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* zero means "use default value" */
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uint32_t defer_delay;
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/* zero means "use default value" */
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uint32_t max_defer_write_retry;
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enum i2c_mot_mode mot;
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};
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union aux_config {
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struct {
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uint32_t ALLOW_AUX_WHEN_HPD_LOW:1;
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} bits;
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uint32_t raw;
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};
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struct i2caux;
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struct i2caux *dal_i2caux_create(
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struct dc_context *ctx);
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bool dal_i2caux_submit_i2c_command(
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struct i2caux *i2caux,
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struct ddc *ddc,
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struct i2c_command *cmd);
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bool dal_i2caux_submit_aux_command(
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struct i2caux *i2caux,
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struct ddc *ddc,
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struct aux_command *cmd);
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void dal_i2caux_configure_aux(
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struct i2caux *i2caux,
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struct ddc *ddc,
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union aux_config cfg);
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void dal_i2caux_destroy(
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struct i2caux **ptr);
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#endif
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