1 files changed, 0 insertions, 251 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/i2caux/i2c_hw_engine.c b/drivers/gpu/drm/amd/display/dc/i2caux/i2c_hw_engine.c
deleted file mode 100644
index 141898533e8e..000000000000
--- a/drivers/gpu/drm/amd/display/dc/i2caux/i2c_hw_engine.c
+++ /dev/null
@@ -1,251 +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
- *
- */
-
-#include "dm_services.h"
-#include "dm_event_log.h"
-
-/*
- * Pre-requisites: headers required by header of this unit
- */
-#include "include/i2caux_interface.h"
-#include "engine.h"
-#include "i2c_engine.h"
-
-/*
- * Header of this unit
- */
-
-#include "i2c_hw_engine.h"
-
-/*
- * Post-requisites: headers required by this unit
- */
-
-/*
- * This unit
- */
-
-/*
- * @brief
- * Cast 'struct i2c_engine *'
- * to 'struct i2c_hw_engine *'
- */
-#define FROM_I2C_ENGINE(ptr) \
-	container_of((ptr), struct i2c_hw_engine, base)
-
-/*
- * @brief
- * Cast 'struct engine *'
- * to 'struct i2c_hw_engine *'
- */
-#define FROM_ENGINE(ptr) \
-	FROM_I2C_ENGINE(container_of((ptr), struct i2c_engine, base))
-
-enum i2caux_engine_type dal_i2c_hw_engine_get_engine_type(
-	const struct engine *engine)
-{
-	return I2CAUX_ENGINE_TYPE_I2C_DDC_HW;
-}
-
-bool dal_i2c_hw_engine_submit_request(
-	struct engine *engine,
-	struct i2caux_transaction_request *i2caux_request,
-	bool middle_of_transaction)
-{
-	struct i2c_hw_engine *hw_engine = FROM_ENGINE(engine);
-
-	struct i2c_request_transaction_data request;
-
-	uint32_t transaction_timeout;
-
-	enum i2c_channel_operation_result operation_result;
-
-	bool result = false;
-
-	/* We need following:
-	 * transaction length will not exceed
-	 * the number of free bytes in HW buffer (minus one for address)*/
-
-	if (i2caux_request->payload.length >=
-		hw_engine->funcs->get_hw_buffer_available_size(hw_engine)) {
-		i2caux_request->status =
-			I2CAUX_TRANSACTION_STATUS_FAILED_BUFFER_OVERFLOW;
-		return false;
-	}
-
-	if (i2caux_request->operation == I2CAUX_TRANSACTION_READ)
-		request.action = middle_of_transaction ?
-			I2CAUX_TRANSACTION_ACTION_I2C_READ_MOT :
-			I2CAUX_TRANSACTION_ACTION_I2C_READ;
-	else if (i2caux_request->operation == I2CAUX_TRANSACTION_WRITE)
-		request.action = middle_of_transaction ?
-			I2CAUX_TRANSACTION_ACTION_I2C_WRITE_MOT :
-			I2CAUX_TRANSACTION_ACTION_I2C_WRITE;
-	else {
-		i2caux_request->status =
-			I2CAUX_TRANSACTION_STATUS_FAILED_INVALID_OPERATION;
-		/* [anaumov] in DAL2, there was no "return false" */
-		return false;
-	}
-
-	request.address = (uint8_t)i2caux_request->payload.address;
-	request.length = i2caux_request->payload.length;
-	request.data = i2caux_request->payload.data;
-
-	/* obtain timeout value before submitting request */
-
-	transaction_timeout = hw_engine->funcs->get_transaction_timeout(
-		hw_engine, i2caux_request->payload.length + 1);
-
-	hw_engine->base.funcs->submit_channel_request(
-		&hw_engine->base, &request);
-	/* EVENT_LOG_AUX_REQ(engine->ddc->pin_data->en, EVENT_LOG_AUX_ORIGIN_I2C, */
-	/* request.action, request.address, request.length, request.data); */
-
-	if ((request.status == I2C_CHANNEL_OPERATION_FAILED) ||
-		(request.status == I2C_CHANNEL_OPERATION_ENGINE_BUSY)) {
-		i2caux_request->status =
-			I2CAUX_TRANSACTION_STATUS_FAILED_CHANNEL_BUSY;
-		return false;
-	}
-
-	/* wait until transaction proceed */
-
-	operation_result = hw_engine->funcs->wait_on_operation_result(
-		hw_engine,
-		transaction_timeout,
-		I2C_CHANNEL_OPERATION_ENGINE_BUSY);
-
-	/* update transaction status */
-
-	switch (operation_result) {
-	case I2C_CHANNEL_OPERATION_SUCCEEDED:
-		i2caux_request->status =
-			I2CAUX_TRANSACTION_STATUS_SUCCEEDED;
-		result = true;
-	break;
-	case I2C_CHANNEL_OPERATION_NO_RESPONSE:
-		i2caux_request->status =
-			I2CAUX_TRANSACTION_STATUS_FAILED_NACK;
-	break;
-	case I2C_CHANNEL_OPERATION_TIMEOUT:
-		i2caux_request->status =
-			I2CAUX_TRANSACTION_STATUS_FAILED_TIMEOUT;
-	break;
-	case I2C_CHANNEL_OPERATION_FAILED:
-		i2caux_request->status =
-			I2CAUX_TRANSACTION_STATUS_FAILED_INCOMPLETE;
-	break;
-	default:
-		i2caux_request->status =
-			I2CAUX_TRANSACTION_STATUS_FAILED_OPERATION;
-	}
-
-	if (result && (i2caux_request->operation == I2CAUX_TRANSACTION_READ)) {
-		struct i2c_reply_transaction_data reply;
-
-		reply.data = i2caux_request->payload.data;
-		reply.length = i2caux_request->payload.length;
-
-		hw_engine->base.funcs->
-			process_channel_reply(&hw_engine->base, &reply);
-		/* EVENT_LOG_AUX_REP(engine->ddc->pin_data->en, EVENT_LOG_AUX_ORIGIN_I2C, */
-		/* AUX_TRANSACTION_REPLY_I2C_ACK, reply.length, reply.data); */
-	}
-
-
-
-	return result;
-}
-
-bool dal_i2c_hw_engine_acquire_engine(
-	struct i2c_engine *engine,
-	struct ddc *ddc)
-{
-	enum gpio_result result;
-	uint32_t current_speed;
-
-	result = dal_ddc_open(ddc, GPIO_MODE_HARDWARE,
-		GPIO_DDC_CONFIG_TYPE_MODE_I2C);
-
-	if (result != GPIO_RESULT_OK)
-		return false;
-
-	engine->base.ddc = ddc;
-
-	current_speed = engine->funcs->get_speed(engine);
-
-	if (current_speed)
-		FROM_I2C_ENGINE(engine)->original_speed = current_speed;
-
-	return true;
-}
-/*
- * @brief
- * Queries in a loop for current engine status
- * until retrieved status matches 'expected_result', or timeout occurs.
- * Timeout given in microseconds
- * and the status query frequency is also one per microsecond.
- */
-enum i2c_channel_operation_result dal_i2c_hw_engine_wait_on_operation_result(
-	struct i2c_hw_engine *engine,
-	uint32_t timeout,
-	enum i2c_channel_operation_result expected_result)
-{
-	enum i2c_channel_operation_result result;
-	uint32_t i = 0;
-
-	if (!timeout)
-		return I2C_CHANNEL_OPERATION_SUCCEEDED;
-
-	do {
-		result = engine->base.funcs->get_channel_status(
-			&engine->base, NULL);
-
-		if (result != expected_result)
-			break;
-
-		udelay(1);
-
-		++i;
-	} while (i < timeout);
-
-	return result;
-}
-
-void dal_i2c_hw_engine_construct(
-	struct i2c_hw_engine *engine,
-	struct dc_context *ctx)
-{
-	dal_i2c_engine_construct(&engine->base, ctx);
-	engine->original_speed = I2CAUX_DEFAULT_I2C_HW_SPEED;
-	engine->default_speed = I2CAUX_DEFAULT_I2C_HW_SPEED;
-}
-
-void dal_i2c_hw_engine_destruct(
-	struct i2c_hw_engine *engine)
-{
-	dal_i2c_engine_destruct(&engine->base);
-}