diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/i2caux/i2c_engine.h')
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/i2caux/i2c_engine.h | 115 |
1 files changed, 0 insertions, 115 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/i2caux/i2c_engine.h b/drivers/gpu/drm/amd/display/dc/i2caux/i2c_engine.h deleted file mode 100644 index ded6ea34b714..000000000000 --- a/drivers/gpu/drm/amd/display/dc/i2caux/i2c_engine.h +++ /dev/null @@ -1,115 +0,0 @@ -/* - * 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_ENGINE_H__ -#define __DAL_I2C_ENGINE_H__ - -enum i2c_channel_operation_result { - I2C_CHANNEL_OPERATION_SUCCEEDED, - I2C_CHANNEL_OPERATION_FAILED, - I2C_CHANNEL_OPERATION_NOT_GRANTED, - I2C_CHANNEL_OPERATION_IS_BUSY, - I2C_CHANNEL_OPERATION_NO_HANDLE_PROVIDED, - I2C_CHANNEL_OPERATION_CHANNEL_IN_USE, - I2C_CHANNEL_OPERATION_CHANNEL_CLIENT_MAX_ALLOWED, - I2C_CHANNEL_OPERATION_ENGINE_BUSY, - I2C_CHANNEL_OPERATION_TIMEOUT, - I2C_CHANNEL_OPERATION_NO_RESPONSE, - I2C_CHANNEL_OPERATION_HW_REQUEST_I2C_BUS, - I2C_CHANNEL_OPERATION_WRONG_PARAMETER, - I2C_CHANNEL_OPERATION_OUT_NB_OF_RETRIES, - I2C_CHANNEL_OPERATION_NOT_STARTED -}; - -struct i2c_request_transaction_data { - enum i2caux_transaction_action action; - enum i2c_channel_operation_result status; - uint8_t address; - uint32_t length; - uint8_t *data; -}; - -struct i2c_reply_transaction_data { - uint32_t length; - uint8_t *data; -}; - -struct i2c_engine; - -struct i2c_engine_funcs { - void (*destroy)( - struct i2c_engine **ptr); - uint32_t (*get_speed)( - const struct i2c_engine *engine); - void (*set_speed)( - struct i2c_engine *engine, - uint32_t speed); - bool (*acquire_engine)( - struct i2c_engine *engine, - struct ddc *ddc); - bool (*setup_engine)( - struct i2c_engine *engine); - void (*submit_channel_request)( - struct i2c_engine *engine, - struct i2c_request_transaction_data *request); - void (*process_channel_reply)( - struct i2c_engine *engine, - struct i2c_reply_transaction_data *reply); - enum i2c_channel_operation_result (*get_channel_status)( - struct i2c_engine *engine, - uint8_t *returned_bytes); -}; - -struct i2c_engine { - struct engine base; - const struct i2c_engine_funcs *funcs; - uint32_t timeout_delay; - uint32_t setup_limit; - uint32_t send_reset_length; -}; - -void dal_i2c_engine_construct( - struct i2c_engine *engine, - struct dc_context *ctx); - -void dal_i2c_engine_destruct( - struct i2c_engine *engine); - -bool dal_i2c_engine_setup_i2c_engine( - struct i2c_engine *engine); - -void dal_i2c_engine_submit_channel_request( - struct i2c_engine *engine, - struct i2c_request_transaction_data *request); - -void dal_i2c_engine_process_channel_reply( - struct i2c_engine *engine, - struct i2c_reply_transaction_data *reply); - -bool dal_i2c_engine_acquire( - struct engine *ptr, - struct ddc *ddc_handle); - -#endif |