b0d24f53c4
Co-authored-by: Alan Carvalho de Assis <alan.carvalho@espressif.com> Signed-off-by: Gustavo Henrique Nihei <gustavo.nihei@espressif.com>
124 lines
4.0 KiB
C
124 lines
4.0 KiB
C
/****************************************************************************
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* arch/xtensa/src/esp32s3/esp32s3_irq.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __ARCH_XTENSA_SRC_ESP32S3_ESP32S3_IRQ_H
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#define __ARCH_XTENSA_SRC_ESP32S3_ESP32S3_IRQ_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <arch/irq.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#ifndef __ASSEMBLY__
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#undef EXTERN
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#if defined(__cplusplus)
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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/* CPU interrupt types. */
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#define ESP32S3_CPUINT_LEVEL 0
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#define ESP32S3_CPUINT_EDGE 1
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/****************************************************************************
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* Public Functions Prototypes
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****************************************************************************/
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/****************************************************************************
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* Name: esp32s3_cpuint_initialize
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*
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* Description:
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* Initialize CPU interrupts
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*
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* Input Parameters:
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* None
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*
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* Returned Value:
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* Zero (OK) is returned on success; A negated errno value is returned on
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* any failure.
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*
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****************************************************************************/
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int esp32s3_cpuint_initialize(void);
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/****************************************************************************
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* Name: esp32s3_setup_irq
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*
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* Description:
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* This function sets up the IRQ. It allocates a CPU interrupt of the given
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* priority and type and attaches it to the given peripheral.
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*
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* Input Parameters:
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* cpu - The CPU to receive the interrupt 0=PRO CPU 1=APP CPU
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* periphid - The peripheral number from irq.h to be assigned to
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* a CPU interrupt.
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* priority - Interrupt's priority (1 - 5).
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* type - Interrupt's type (level or edge).
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*
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* Returned Value:
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* The allocated CPU interrupt on success, a negated errno value on
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* failure.
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*
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****************************************************************************/
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int esp32s3_setup_irq(int cpu, int periphid, int priority, int type);
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/****************************************************************************
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* Name: esp32s3_teardown_irq
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*
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* Description:
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* This function undoes the operations done by esp32s3_setup_irq.
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* It detaches a peripheral interrupt from a CPU interrupt and frees the
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* CPU interrupt.
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*
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* Input Parameters:
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* cpu - The CPU to receive the interrupt 0=PRO CPU 1=APP CPU
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* periphid - The peripheral number from irq.h to be detached from the
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* CPU interrupt.
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* cpuint - The CPU interrupt from which the peripheral interrupt will
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* be detached.
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*
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* Returned Value:
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* None
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*
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****************************************************************************/
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void esp32s3_teardown_irq(int cpu, int periphid, int cpuint);
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#undef EXTERN
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#if defined(__cplusplus)
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}
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#endif
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#endif /* __ASSEMBLY__ */
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#endif /* __ARCH_XTENSA_SRC_ESP32S3_ESP32S3_IRQ_H */
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