230 lines
6.9 KiB
C
230 lines
6.9 KiB
C
/***************************************************************************//**
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* @file irq.c
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* @brief Implementation of the IRQ Interface
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* @author Andrei Porumb ([email protected])
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********************************************************************************
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* Copyright 2021(c) Analog Devices, Inc.
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* - Neither the name of Analog Devices, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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* - The use of this software may or may not infringe the patent rights
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* of one or more patent holders. This license does not release you
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* from the requirement that you obtain separate licenses from these
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* patent holders to use this software.
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* - Use of the software either in source or binary form, must be run
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* on or directly connected to an Analog Devices Inc. component.
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*
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* THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT,
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, INTELLECTUAL PROPERTY RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*******************************************************************************/
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#include <inttypes.h>
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#include <stdlib.h>
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#include "irq.h"
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#include "error.h"
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/**
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* @brief Initialize the IRQ interrupts.
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* @param desc - The IRQ descriptor.
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* @param param - The structure that contains the IRQ parameters.
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* @return 0 in case of success, -1 otherwise.
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*/
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int32_t irq_ctrl_init(struct irq_ctrl_desc **desc,
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const struct irq_init_param *param)
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{
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int32_t ret;
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if (!param || !param->platform_ops)
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return -EINVAL;
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if (!param->platform_ops->init)
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return -ENOSYS;
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ret = param->platform_ops->init(desc, param);
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if (ret)
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return ret;
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(*desc)->platform_ops = param->platform_ops;
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return 0;
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}
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/**
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* @brief Free the resources allocated by irq_ctrl_init().
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* @param desc - The SPI descriptor.
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* @return 0 in case of success, -1 otherwise.
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*/
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int32_t irq_ctrl_remove(struct irq_ctrl_desc *desc)
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{
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if (!desc || !desc->platform_ops)
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return -EINVAL;
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if (!desc->platform_ops->remove)
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return -ENOSYS;
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return desc->platform_ops->remove(desc);
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}
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/**
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* @brief Register a callback to handle the irq events.
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* @param desc - The IRQ controller descriptor.
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* @param irq_id - Interrupt identifier.
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* @param callback - Callback descriptor - platform specific type.
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* @return SUCCESS in case of success, FAILURE otherwise.
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*/
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int32_t irq_register_callback(struct irq_ctrl_desc *desc,
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uint32_t irq_id,
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struct callback_desc *callback)
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{
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if (!desc || !desc->platform_ops)
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return -EINVAL;
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if (!desc->platform_ops->register_callback)
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return -ENOSYS;
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return desc->platform_ops->register_callback(desc, irq_id, callback);
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}
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/**
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* @brief Unregisters a generic IRQ handling function.
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* @param desc - The IRQ controller descriptor.
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* @param irq_id - Interrupt identifier.
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* @param callback - Callback descriptor - platform specific type.
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* @return SUCCESS in case of success, FAILURE otherwise.
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*/
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int32_t irq_unregister_callback(struct irq_ctrl_desc *desc,
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uint32_t irq_id,
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struct callback_desc *callback)
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{
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if (!desc || !desc->platform_ops)
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return -EINVAL;
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if (!desc->platform_ops->unregister_callback)
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return -ENOSYS;
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return desc->platform_ops->unregister_callback(desc, irq_id, callback);
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}
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/**
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* @brief Enable global interrupts.
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* @return 0 in case of success, -1 otherwise.
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*/
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int32_t irq_global_enable(struct irq_ctrl_desc *desc)
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{
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if (!desc || !desc->platform_ops)
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return -EINVAL;
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if (!desc->platform_ops->global_enable)
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return -ENOSYS;
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return desc->platform_ops->global_enable(desc);
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}
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/**
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* @brief Disable global interrupts.
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* @return 0 in case of success, -1 otherwise.
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*/
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int32_t irq_global_disable(struct irq_ctrl_desc *desc)
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{
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if (!desc || !desc->platform_ops)
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return -EINVAL;
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if (!desc->platform_ops->global_disable)
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return -ENOSYS;
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return desc->platform_ops->global_disable(desc);
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}
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/**
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* @brief Set interrupt trigger level.
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* @param desc - The IRQ controller descriptor.
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* @param irq_id - Interrupt identifier.
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* @param trig - New trigger level for the interrupt.
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* @return 0 in case of success, -1 otherwise.
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*/
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int32_t irq_trigger_level_set(struct irq_ctrl_desc *desc,
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uint32_t irq_id,
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enum irq_trig_level trig)
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{
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if (!desc || !desc->platform_ops)
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return -EINVAL;
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if(!desc->platform_ops->trigger_level_set)
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return -ENOSYS;
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return desc->platform_ops->trigger_level_set(desc, irq_id, trig);
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}
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/**
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* @brief Enable specific interrupt.
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* @param desc - The IRQ controller descriptor.
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* @param irq_id - Interrupt identifier.
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* @return 0 in case of success, -1 otherwise.
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*/
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int32_t irq_enable(struct irq_ctrl_desc *desc, uint32_t irq_id)
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{
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if (!desc || !desc->platform_ops)
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return -EINVAL;
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if (!desc->platform_ops->enable)
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return -ENOSYS;
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return desc->platform_ops->enable(desc, irq_id);
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}
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/**
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* @brief Disable specific interrupt.
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* @param desc - The IRQ controller descriptor.
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* @param irq_id - Interrupt identifier.
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* @return 0 in case of success, -1 otherwise.
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*/
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int32_t irq_disable(struct irq_ctrl_desc *desc, uint32_t irq_id)
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{
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if (!desc || !desc->platform_ops)
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return -EINVAL;
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if (!desc->platform_ops->disable)
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return -ENOSYS;
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return desc->platform_ops->disable(desc, irq_id);
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}
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/**
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* @brief Set the priority for an interrupt.
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* @param desc - The IRQ controller descriptor.
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* @param irq_id - Interrupt identifier.
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* @param priority_level - The priority level of the interrupt.
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* @return 0 in case of success, negative errno error codes.
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*/
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int32_t irq_set_priority(struct irq_ctrl_desc *desc,
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uint32_t irq_id,
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uint32_t priority_level)
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{
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if (!desc || !desc->platform_ops)
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return -EINVAL;
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if (!desc->platform_ops->set_priority)
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return -ENOSYS;
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return desc->platform_ops->set_priority(desc, irq_id, priority_level);
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}
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