385 lines
14 KiB
C
385 lines
14 KiB
C
/************************************************************************************
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* arch/arm/include/tiva/irq.h
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*
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* Copyright (C) 2009-2011 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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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
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* are met:
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*
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* 1. 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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* 2. 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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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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************************************************************************************/
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#ifndef __ARCH_ARM_INCLUDE_TIVA_IRQ_H
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#define __ARCH_ARM_INCLUDE_TIVA_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 <nuttx/irq.h>
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#include <arch/tiva/chip.h>
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/************************************************************************************
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* Pre-processor Definitions
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************************************************************************************/
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/* Mark GPIO interrupts as disabled for non-existent GPIO ports. */
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#if TIVA_NPORTS < 1 && !defined(CONFIG_TIVA_DISABLE_GPIOA_IRQS)
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# define CONFIG_TIVA_DISABLE_GPIOA_IRQS
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#elif TIVA_NPORTS < 2 && !defined(CONFIG_TIVA_DISABLE_GPIOB_IRQS)
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# define CONFIG_TIVA_DISABLE_GPIOB_IRQS
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#elif TIVA_NPORTS < 3 && !defined(CONFIG_TIVA_DISABLE_GPIOC_IRQS)
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# define CONFIG_TIVA_DISABLE_GPIOC_IRQS
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#elif TIVA_NPORTS < 4 && !defined(CONFIG_TIVA_DISABLE_GPIOD_IRQS)
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# define CONFIG_TIVA_DISABLE_GPIOD_IRQS
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#elif TIVA_NPORTS < 5 && !defined(CONFIG_TIVA_DISABLE_GPIOE_IRQS)
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# define CONFIG_TIVA_DISABLE_GPIOE_IRQS
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#elif TIVA_NPORTS < 6 && !defined(CONFIG_TIVA_DISABLE_GPIOF_IRQS)
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# define CONFIG_TIVA_DISABLE_GPIOF_IRQS
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#elif TIVA_NPORTS < 7 && !defined(CONFIG_TIVA_DISABLE_GPIOG_IRQS)
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# define CONFIG_TIVA_DISABLE_GPIOG_IRQS
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#elif TIVA_NPORTS < 8 && !defined(CONFIG_TIVA_DISABLE_GPIOH_IRQS)
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# define CONFIG_TIVA_DISABLE_GPIOH_IRQS
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#elif TIVA_NPORTS < 9 && !defined(CONFIG_TIVA_DISABLE_GPIOJ_IRQS)
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# define CONFIG_TIVA_DISABLE_GPIOJ_IRQS
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#elif TIVA_NPORTS < 10 && !defined(CONFIG_TIVA_DISABLE_GPIOK_IRQS)
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# define CONFIG_TIVA_DISABLE_GPIOK_IRQS
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#elif TIVA_NPORTS < 11 && !defined(CONFIG_TIVA_DISABLE_GPIOL_IRQS)
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# define CONFIG_TIVA_DISABLE_GPIOL_IRQS
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#elif TIVA_NPORTS < 12 && !defined(CONFIG_TIVA_DISABLE_GPIOM_IRQS)
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# define CONFIG_TIVA_DISABLE_GPIOM_IRQS
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#elif TIVA_NPORTS < 13 && !defined(CONFIG_TIVA_DISABLE_GPION_IRQS)
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# define CONFIG_TIVA_DISABLE_GPION_IRQS
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#elif TIVA_NPORTS < 14 && !defined(CONFIG_TIVA_DISABLE_GPIOP_IRQS)
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# define CONFIG_TIVA_DISABLE_GPIOP_IRQS
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#elif TIVA_NPORTS < 15 && !defined(CONFIG_TIVA_DISABLE_GPIOQ_IRQS)
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# define CONFIG_TIVA_DISABLE_GPIOQ_IRQS
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#endif
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/* Processor Exceptions (vectors 0-15) */
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#define TIVA_IRQ_RESERVED (0) /* Reserved vector (only used with CONFIG_DEBUG) */
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/* Vector 0: Reset stack pointer value */
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/* Vector 1: Reset (not handler as an IRQ) */
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#define TIVA_IRQ_NMI (2) /* Vector 2: Non-Maskable Interrupt (NMI) */
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#define TIVA_IRQ_HARDFAULT (3) /* Vector 3: Hard fault */
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#define TIVA_IRQ_MEMFAULT (4) /* Vector 4: Memory management (MPU) */
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#define TIVA_IRQ_BUSFAULT (5) /* Vector 5: Bus fault */
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#define TIVA_IRQ_USAGEFAULT (6) /* Vector 6: Usage fault */
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#define TIVA_IRQ_SVCALL (11) /* Vector 11: SVC call */
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#define TIVA_IRQ_DBGMONITOR (12) /* Vector 12: Debug Monitor */
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/* Vector 13: Reserved */
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#define TIVA_IRQ_PENDSV (14) /* Vector 14: Pendable system service request */
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#define TIVA_IRQ_SYSTICK (15) /* Vector 15: System tick */
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#if defined(CONFIG_ARCH_CHIP_LM3S)
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# include <arch/tiva/lm3s_irq.h>
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#elif defined(CONFIG_ARCH_CHIP_LM4F)
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# include <arch/tiva/lm4f_irq.h>
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#elif defined(CONFIG_ARCH_CHIP_TM4C)
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# include <arch/tiva/tm4c_irq.h>
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#elif defined(CONFIG_ARCH_CHIP_CC3200)
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# include <arch/tiva/cc3200_irq.h>
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#else
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# error "Unsupported Stellaris IRQ file"
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#endif
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#define NR_VECTORS (NR_IRQS - 16)
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/* GPIO IRQs -- Note that support for individual GPIO ports can
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* be disabled in order to reduce the size of the implementation.
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*/
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#if !defined(CONFIG_TIVA_DISABLE_GPIOA_IRQS)
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# define TIVA_IRQ_GPIOA_0 (NR_IRQS + 0)
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# define TIVA_IRQ_GPIOA_1 (NR_IRQS + 1)
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# define TIVA_IRQ_GPIOA_2 (NR_IRQS + 2)
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# define TIVA_IRQ_GPIOA_3 (NR_IRQS + 3)
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# define TIVA_IRQ_GPIOA_4 (NR_IRQS + 4)
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# define TIVA_IRQ_GPIOA_5 (NR_IRQS + 5)
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# define TIVA_IRQ_GPIOA_6 (NR_IRQS + 6)
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# define TIVA_IRQ_GPIOA_7 (NR_IRQS + 7)
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# define _NGPIOAIRQS (NR_IRQS + 8)
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#else
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# define _NGPIOAIRQS NR_IRQS
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#endif
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#if !defined(CONFIG_TIVA_DISABLE_GPIOB_IRQS)
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# define TIVA_IRQ_GPIOB_0 (_NGPIOAIRQS + 0)
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# define TIVA_IRQ_GPIOB_1 (_NGPIOAIRQS + 1)
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# define TIVA_IRQ_GPIOB_2 (_NGPIOAIRQS + 2)
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# define TIVA_IRQ_GPIOB_3 (_NGPIOAIRQS + 3)
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# define TIVA_IRQ_GPIOB_4 (_NGPIOAIRQS + 4)
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# define TIVA_IRQ_GPIOB_5 (_NGPIOAIRQS + 5)
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# define TIVA_IRQ_GPIOB_6 (_NGPIOAIRQS + 6)
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# define TIVA_IRQ_GPIOB_7 (_NGPIOAIRQS + 7)
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# define _NGPIOBIRQS (_NGPIOAIRQS + 8)
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#else
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# define _NGPIOBIRQS _NGPIOAIRQS
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#endif
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#if !defined(CONFIG_TIVA_DISABLE_GPIOC_IRQS)
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# define TIVA_IRQ_GPIOC_0 (_NGPIOBIRQS + 0)
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# define TIVA_IRQ_GPIOC_1 (_NGPIOBIRQS + 1)
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# define TIVA_IRQ_GPIOC_2 (_NGPIOBIRQS + 2)
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# define TIVA_IRQ_GPIOC_3 (_NGPIOBIRQS + 3)
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# define TIVA_IRQ_GPIOC_4 (_NGPIOBIRQS + 4)
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# define TIVA_IRQ_GPIOC_5 (_NGPIOBIRQS + 5)
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# define TIVA_IRQ_GPIOC_6 (_NGPIOBIRQS + 6)
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# define TIVA_IRQ_GPIOC_7 (_NGPIOBIRQS + 7)
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# define _NGPIOCIRQS (_NGPIOBIRQS + 8)
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#else
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# define _NGPIOCIRQS _NGPIOBIRQS
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#endif
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#if !defined(CONFIG_TIVA_DISABLE_GPIOD_IRQS)
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# define TIVA_IRQ_GPIOD_0 (_NGPIOCIRQS + 0)
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# define TIVA_IRQ_GPIOD_1 (_NGPIOCIRQS + 1)
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# define TIVA_IRQ_GPIOD_2 (_NGPIOCIRQS + 2)
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# define TIVA_IRQ_GPIOD_3 (_NGPIOCIRQS + 3)
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# define TIVA_IRQ_GPIOD_4 (_NGPIOCIRQS + 4)
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# define TIVA_IRQ_GPIOD_5 (_NGPIOCIRQS + 5)
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# define TIVA_IRQ_GPIOD_6 (_NGPIOCIRQS + 6)
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# define TIVA_IRQ_GPIOD_7 (_NGPIOCIRQS + 7)
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# define _NGPIODIRQS (_NGPIOCIRQS + 8)
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#else
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# define _NGPIODIRQS _NGPIOCIRQS
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#endif
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#if !defined(CONFIG_TIVA_DISABLE_GPIOE_IRQS)
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# define TIVA_IRQ_GPIOE_0 (_NGPIODIRQS + 0)
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# define TIVA_IRQ_GPIOE_1 (_NGPIODIRQS + 1)
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# define TIVA_IRQ_GPIOE_2 (_NGPIODIRQS + 2)
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# define TIVA_IRQ_GPIOE_3 (_NGPIODIRQS + 3)
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# define TIVA_IRQ_GPIOE_4 (_NGPIODIRQS + 4)
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# define TIVA_IRQ_GPIOE_5 (_NGPIODIRQS + 5)
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# define TIVA_IRQ_GPIOE_6 (_NGPIODIRQS + 6)
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# define TIVA_IRQ_GPIOE_7 (_NGPIODIRQS + 7)
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# define _NGPIOEIRQS (_NGPIODIRQS + 8)
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#else
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# define _NGPIOEIRQS _NGPIODIRQS
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#endif
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#if !defined(CONFIG_TIVA_DISABLE_GPIOF_IRQS)
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# define TIVA_IRQ_GPIOF_0 (_NGPIOEIRQS + 0)
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# define TIVA_IRQ_GPIOF_1 (_NGPIOEIRQS + 1)
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# define TIVA_IRQ_GPIOF_2 (_NGPIOEIRQS + 2)
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# define TIVA_IRQ_GPIOF_3 (_NGPIOEIRQS + 3)
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# define TIVA_IRQ_GPIOF_4 (_NGPIOEIRQS + 4)
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# define TIVA_IRQ_GPIOF_5 (_NGPIOEIRQS + 5)
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# define TIVA_IRQ_GPIOF_6 (_NGPIOEIRQS + 6)
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# define TIVA_IRQ_GPIOF_7 (_NGPIOEIRQS + 7)
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# define _NGPIOFIRQS (_NGPIOEIRQS + 8)
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#else
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# define _NGPIOFIRQS _NGPIOEIRQS
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#endif
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#if !defined(CONFIG_TIVA_DISABLE_GPIOG_IRQS)
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# define TIVA_IRQ_GPIOG_0 (_NGPIOFIRQS + 0)
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# define TIVA_IRQ_GPIOG_1 (_NGPIOFIRQS + 1)
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# define TIVA_IRQ_GPIOG_2 (_NGPIOFIRQS + 2)
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# define TIVA_IRQ_GPIOG_3 (_NGPIOFIRQS + 3)
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# define TIVA_IRQ_GPIOG_4 (_NGPIOFIRQS + 4)
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# define TIVA_IRQ_GPIOG_5 (_NGPIOFIRQS + 5)
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# define TIVA_IRQ_GPIOG_6 (_NGPIOFIRQS + 6)
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# define TIVA_IRQ_GPIOG_7 (_NGPIOFIRQS + 7)
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# define _NGPIOGIRQS (_NGPIOFIRQS + 8)
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#else
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# define _NGPIOGIRQS _NGPIOFIRQS
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#endif
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#if !defined(CONFIG_TIVA_DISABLE_GPIOH_IRQS)
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# define TIVA_IRQ_GPIOH_0 (_NGPIOGIRQS + 0)
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# define TIVA_IRQ_GPIOH_1 (_NGPIOGIRQS + 1)
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# define TIVA_IRQ_GPIOH_2 (_NGPIOGIRQS + 2)
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# define TIVA_IRQ_GPIOH_3 (_NGPIOGIRQS + 3)
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# define TIVA_IRQ_GPIOH_4 (_NGPIOGIRQS + 4)
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# define TIVA_IRQ_GPIOH_5 (_NGPIOGIRQS + 5)
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# define TIVA_IRQ_GPIOH_6 (_NGPIOGIRQS + 6)
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# define TIVA_IRQ_GPIOH_7 (_NGPIOGIRQS + 7)
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# define _NGPIOHIRQS (_NGPIOGIRQS + 8)
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#else
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# define _NGPIOHIRQS _NGPIOGIRQS
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#endif
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#if !defined(CONFIG_TIVA_DISABLE_GPIOJ_IRQS)
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# define TIVA_IRQ_GPIOJ_0 (_NGPIOHIRQS + 0)
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# define TIVA_IRQ_GPIOJ_1 (_NGPIOHIRQS + 1)
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# define TIVA_IRQ_GPIOJ_2 (_NGPIOHIRQS + 2)
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# define TIVA_IRQ_GPIOJ_3 (_NGPIOHIRQS + 3)
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# define TIVA_IRQ_GPIOJ_4 (_NGPIOHIRQS + 4)
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# define TIVA_IRQ_GPIOJ_5 (_NGPIOHIRQS + 5)
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# define TIVA_IRQ_GPIOJ_6 (_NGPIOHIRQS + 6)
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# define TIVA_IRQ_GPIOJ_7 (_NGPIOHIRQS + 7)
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# define _NGPIOJIRQS (_NGPIOHIRQS + 8)
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#else
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# define _NGPIOJIRQS _NGPIOHIRQS
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#endif
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#if !defined(CONFIG_TIVA_DISABLE_GPIOK_IRQS)
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# define TIVA_IRQ_GPIOK_0 (_NGPIOJIRQS + 0)
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# define TIVA_IRQ_GPIOK_1 (_NGPIOJIRQS + 1)
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# define TIVA_IRQ_GPIOK_2 (_NGPIOJIRQS + 2)
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# define TIVA_IRQ_GPIOK_3 (_NGPIOJIRQS + 3)
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# define TIVA_IRQ_GPIOK_4 (_NGPIOJIRQS + 4)
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# define TIVA_IRQ_GPIOK_5 (_NGPIOJIRQS + 5)
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# define TIVA_IRQ_GPIOK_6 (_NGPIOJIRQS + 6)
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# define TIVA_IRQ_GPIOK_7 (_NGPIOJIRQS + 7)
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# define _NGPIOKIRQS (_NGPIOJIRQS + 8)
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#else
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# define _NGPIOKIRQS _NGPIOJIRQS
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#endif
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#if !defined(CONFIG_TIVA_DISABLE_GPIOL_IRQS)
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# define TIVA_IRQ_GPIOL_0 (_NGPIOKIRQS + 0)
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# define TIVA_IRQ_GPIOL_1 (_NGPIOKIRQS + 1)
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# define TIVA_IRQ_GPIOL_2 (_NGPIOKIRQS + 2)
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# define TIVA_IRQ_GPIOL_3 (_NGPIOKIRQS + 3)
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# define TIVA_IRQ_GPIOL_4 (_NGPIOKIRQS + 4)
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# define TIVA_IRQ_GPIOL_5 (_NGPIOKIRQS + 5)
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# define TIVA_IRQ_GPIOL_6 (_NGPIOKIRQS + 6)
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# define TIVA_IRQ_GPIOL_7 (_NGPIOKIRQS + 7)
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# define _NGPIOLIRQS (_NGPIOKIRQS + 8)
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#else
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# define _NGPIOLIRQS _NGPIOKIRQS
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#endif
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#if !defined(CONFIG_TIVA_DISABLE_GPIOM_IRQS)
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# define TIVA_IRQ_GPIOM_0 (_NGPIOLIRQS + 0)
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# define TIVA_IRQ_GPIOM_1 (_NGPIOLIRQS + 1)
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# define TIVA_IRQ_GPIOM_2 (_NGPIOLIRQS + 2)
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# define TIVA_IRQ_GPIOM_3 (_NGPIOLIRQS + 3)
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# define TIVA_IRQ_GPIOM_4 (_NGPIOLIRQS + 4)
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# define TIVA_IRQ_GPIOM_5 (_NGPIOLIRQS + 5)
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# define TIVA_IRQ_GPIOM_6 (_NGPIOLIRQS + 6)
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# define TIVA_IRQ_GPIOM_7 (_NGPIOLIRQS + 7)
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# define _NGPIOMIRQS (_NGPIOLIRQS + 8)
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#else
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# define _NGPIOMIRQS _NGPIOLIRQS
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#endif
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#if !defined(CONFIG_TIVA_DISABLE_GPION_IRQS)
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# define TIVA_IRQ_GPION_0 (_NGPIOMIRQS + 0)
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# define TIVA_IRQ_GPION_1 (_NGPIOMIRQS + 1)
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# define TIVA_IRQ_GPION_2 (_NGPIOMIRQS + 2)
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# define TIVA_IRQ_GPION_3 (_NGPIOMIRQS + 3)
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# define TIVA_IRQ_GPION_4 (_NGPIOMIRQS + 4)
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# define TIVA_IRQ_GPION_5 (_NGPIOMIRQS + 5)
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# define TIVA_IRQ_GPION_6 (_NGPIOMIRQS + 6)
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# define TIVA_IRQ_GPION_7 (_NGPIOMIRQS + 7)
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# define _NGPIONIRQS (_NGPIOMIRQS + 8)
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#else
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# define _NGPIONIRQS _NGPIOMIRQS
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#endif
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#if !defined(CONFIG_TIVA_DISABLE_GPIOP_IRQS)
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# define TIVA_IRQ_GPIOP_0 (_NGPIONIRQS + 0)
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# define TIVA_IRQ_GPIOP_1 (_NGPIONIRQS + 1)
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# define TIVA_IRQ_GPIOP_2 (_NGPIONIRQS + 2)
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# define TIVA_IRQ_GPIOP_3 (_NGPIONIRQS + 3)
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# define TIVA_IRQ_GPIOP_4 (_NGPIONIRQS + 4)
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# define TIVA_IRQ_GPIOP_5 (_NGPIONIRQS + 5)
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# define TIVA_IRQ_GPIOP_6 (_NGPIONIRQS + 6)
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# define TIVA_IRQ_GPIOP_7 (_NGPIONIRQS + 7)
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# define _NGPIOPIRQS (_NGPIONIRQS + 8)
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#else
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# define _NGPIOPIRQS _NGPIONIRQS
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#endif
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#if !defined(CONFIG_TIVA_DISABLE_GPIOQ_IRQS)
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# define TIVA_IRQ_GPIOQ_0 (_NGPIOPIRQS + 0)
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# define TIVA_IRQ_GPIOQ_1 (_NGPIOPIRQS + 1)
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# define TIVA_IRQ_GPIOQ_2 (_NGPIOPIRQS + 2)
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# define TIVA_IRQ_GPIOQ_3 (_NGPIOPIRQS + 3)
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# define TIVA_IRQ_GPIOQ_4 (_NGPIOPIRQS + 4)
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# define TIVA_IRQ_GPIOQ_5 (_NGPIOPIRQS + 5)
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# define TIVA_IRQ_GPIOQ_6 (_NGPIOPIRQS + 6)
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# define TIVA_IRQ_GPIOQ_7 (_NGPIOPIRQS + 7)
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# define _NGPIOQIRQS (_NGPIOPIRQS + 8)
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#else
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# define _NGPIOQIRQS _NGPIOPIRQS
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#endif
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#define NR_GPIO_IRQS (_NGPIOQIRQS - NR_IRQS)
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/************************************************************************************
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* Public Types
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************************************************************************************/
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/************************************************************************************
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* Public Data
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************************************************************************************/
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#ifndef __ASSEMBLY__
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/************************************************************************************
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* Public Functions
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************************************************************************************/
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/****************************************************************************
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* Name: gpio_irqattach
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*
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* Description:
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* Attach the interrupt handler 'isr' to the GPIO IRQ 'irq'
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*
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****************************************************************************/
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int gpio_irqattach(int irq, xcpt_t isr);
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#define gpio_irqdetach(isr) gpio_irqattach(isr, NULL)
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/****************************************************************************
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* Name: gpio_irqenable
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*
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* Description:
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* Enable the GPIO IRQ specified by 'irq'
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*
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****************************************************************************/
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void gpio_irqenable(int irq);
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/****************************************************************************
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* Name: gpio_irqdisable
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*
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* Description:
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* Disable the GPIO IRQ specified by 'irq'
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*
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****************************************************************************/
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void gpio_irqdisable(int irq);
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#ifdef __cplusplus
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}
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#endif
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#endif
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#endif /* __ARCH_ARM_INCLUDE_TIVA_IRQ_H */
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