/*
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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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#include "dm_services.h"
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/*
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* Pre-requisites: headers required by header of this unit
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*/
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#include "include/i2caux_interface.h"
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#include "../engine.h"
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#include "../i2c_engine.h"
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#include "../i2c_sw_engine.h"
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/*
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* Header of this unit
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*/
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#include "i2c_sw_engine_dce110.h"
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/*
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* Post-requisites: headers required by this unit
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*/
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/*
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* This unit
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*/
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/*
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* @brief
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* Cast 'struct i2c_sw_engine *'
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* to 'struct i2c_sw_engine_dce110 *'
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*/
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#define FROM_I2C_SW_ENGINE(ptr) \
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container_of((ptr), struct i2c_sw_engine_dce110, base)
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/*
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* @brief
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* Cast 'struct i2c_engine *'
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* to 'struct i2c_sw_engine_dce80 *'
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*/
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#define FROM_I2C_ENGINE(ptr) \
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FROM_I2C_SW_ENGINE(container_of((ptr), struct i2c_sw_engine, base))
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/*
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* @brief
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* Cast 'struct engine *'
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* to 'struct i2c_sw_engine_dce80 *'
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*/
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#define FROM_ENGINE(ptr) \
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FROM_I2C_ENGINE(container_of((ptr), struct i2c_engine, base))
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static void release_engine(
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struct engine *engine)
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{
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}
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static void destruct(
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struct i2c_sw_engine_dce110 *engine)
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{
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dal_i2c_sw_engine_destruct(&engine->base);
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}
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static void destroy(
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struct i2c_engine **engine)
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{
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struct i2c_sw_engine_dce110 *sw_engine = FROM_I2C_ENGINE(*engine);
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destruct(sw_engine);
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kfree(sw_engine);
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*engine = NULL;
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}
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static bool acquire_engine(
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struct i2c_engine *engine,
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struct ddc *ddc_handle)
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{
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return dal_i2caux_i2c_sw_engine_acquire_engine(engine, ddc_handle);
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}
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static const struct i2c_engine_funcs i2c_engine_funcs = {
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.acquire_engine = acquire_engine,
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.destroy = destroy,
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.get_speed = dal_i2c_sw_engine_get_speed,
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.set_speed = dal_i2c_sw_engine_set_speed,
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.setup_engine = dal_i2c_engine_setup_i2c_engine,
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.submit_channel_request = dal_i2c_sw_engine_submit_channel_request,
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.process_channel_reply = dal_i2c_engine_process_channel_reply,
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.get_channel_status = dal_i2c_sw_engine_get_channel_status,
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};
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static const struct engine_funcs engine_funcs = {
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.release_engine = release_engine,
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.get_engine_type = dal_i2c_sw_engine_get_engine_type,
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.acquire = dal_i2c_engine_acquire,
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.submit_request = dal_i2c_sw_engine_submit_request,
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};
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static void construct(
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struct i2c_sw_engine_dce110 *engine_dce110,
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const struct i2c_sw_engine_dce110_create_arg *arg_dce110)
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{
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struct i2c_sw_engine_create_arg arg_base;
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arg_base.ctx = arg_dce110->ctx;
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arg_base.default_speed = arg_dce110->default_speed;
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dal_i2c_sw_engine_construct(&engine_dce110->base, &arg_base);
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/*struct engine struct engine_funcs*/
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engine_dce110->base.base.base.funcs = &engine_funcs;
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/*struct i2c_engine struct i2c_engine_funcs*/
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engine_dce110->base.base.funcs = &i2c_engine_funcs;
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engine_dce110->base.default_speed = arg_dce110->default_speed;
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engine_dce110->engine_id = arg_dce110->engine_id;
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}
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struct i2c_engine *dal_i2c_sw_engine_dce110_create(
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const struct i2c_sw_engine_dce110_create_arg *arg)
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{
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struct i2c_sw_engine_dce110 *engine_dce110;
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if (!arg) {
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ASSERT_CRITICAL(false);
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return NULL;
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}
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engine_dce110 = kzalloc(sizeof(struct i2c_sw_engine_dce110),
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GFP_KERNEL);
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if (!engine_dce110) {
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ASSERT_CRITICAL(false);
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return NULL;
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}
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construct(engine_dce110, arg);
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return &engine_dce110->base.base;
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}
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