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nuttx/arch/arm/include/lm/irq.h
patacongo 735ef1ad7a Handle LM4F GPIO -- fewer ports 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5695 42af7a65-404d-4744-a932-0658087f49c3
2013-03-02 00:11:43 +00:00

283 lines
10 KiB
C
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/************************************************************************************
* arch/arm/include/lm/irq.h
*
* Copyright (C) 2009-2011 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
************************************************************************************/
#ifndef __ARCH_ARM_INCLUDE_LM_IRQ_H
#define __ARCH_ARM_INCLUDE_LM_IRQ_H
/************************************************************************************
* Included Files
************************************************************************************/
#include <nuttx/config.h>
#include <nuttx/irq.h>
#include <arch/lm/chip.h>
/************************************************************************************
* Pre-processor Definitions
************************************************************************************/
/* Mark GPIO interrupts as disabled for non-existent GPIO ports. */
#if LM_NPORTS < 1 && !defined(CONFIG_LM_DISABLE_GPIOA_IRQS)
# define CONFIG_LM_DISABLE_GPIOA_IRQS
#elif LM_NPORTS < 2 && !defined(CONFIG_LM_DISABLE_GPIOB_IRQS)
# define CONFIG_LM_DISABLE_GPIOB_IRQS
#elif LM_NPORTS < 3 && !defined(CONFIG_LM_DISABLE_GPIOC_IRQS)
# define CONFIG_LM_DISABLE_GPIOC_IRQS
#elif LM_NPORTS < 4 && !defined(CONFIG_LM_DISABLE_GPIOD_IRQS)
# define CONFIG_LM_DISABLE_GPIOD_IRQS
#elif LM_NPORTS < 5 && !defined(CONFIG_LM_DISABLE_GPIOE_IRQS)
# define CONFIG_LM_DISABLE_GPIOE_IRQS
#elif LM_NPORTS < 6 && !defined(CONFIG_LM_DISABLE_GPIOF_IRQS)
# define CONFIG_LM_DISABLE_GPIOF_IRQS
#elif LM_NPORTS < 7 && !defined(CONFIG_LM_DISABLE_GPIOG_IRQS)
# define CONFIG_LM_DISABLE_GPIOG_IRQS
#elif LM_NPORTS < 8 && !defined(CONFIG_LM_DISABLE_GPIOH_IRQS)
# define CONFIG_LM_DISABLE_GPIOH_IRQS
#elif LM_NPORTS < 9 && !defined(CONFIG_LM_DISABLE_GPIOJ_IRQS)
# define CONFIG_LM_DISABLE_GPIOJ_IRQS
#endif
/* Processor Exceptions (vectors 0-15) */
#define LM_IRQ_RESERVED (0) /* Reserved vector (only used with CONFIG_DEBUG) */
/* Vector 0: Reset stack pointer value */
/* Vector 1: Reset (not handler as an IRQ) */
#define LM_IRQ_NMI (2) /* Vector 2: Non-Maskable Interrupt (NMI) */
#define LM_IRQ_HARDFAULT (3) /* Vector 3: Hard fault */
#define LM_IRQ_MEMFAULT (4) /* Vector 4: Memory management (MPU) */
#define LM_IRQ_BUSFAULT (5) /* Vector 5: Bus fault */
#define LM_IRQ_USAGEFAULT (6) /* Vector 6: Usage fault */
#define LM_IRQ_SVCALL (11) /* Vector 11: SVC call */
#define LM_IRQ_DBGMONITOR (12) /* Vector 12: Debug Monitor */
/* Vector 13: Reserved */
#define LM_IRQ_PENDSV (14) /* Vector 14: Pendable system service request */
#define LM_IRQ_SYSTICK (15) /* Vector 15: System tick */
#if defined(CONFIG_ARCH_CHIP_LM3S)
# include <arch/lm/lm3s_irq.h>
#elif defined(CONFIG_ARCH_CHIP_LM4F)
# include <arch/lm/lm4f_irq.h>
#else
# error "Unsupported Stellaris IRQ file"
#endif
/* GPIO IRQs -- Note that support for individual GPIO ports can
* be disabled in order to reduce the size of the implemenation.
*/
#ifndef CONFIG_LM_DISABLE_GPIOA_IRQS
# define LM_IRQ_GPIOA_0 (NR_IRQS + 0)
# define LM_IRQ_GPIOA_1 (NR_IRQS + 1)
# define LM_IRQ_GPIOA_2 (NR_IRQS + 2)
# define LM_IRQ_GPIOA_3 (NR_IRQS + 3)
# define LM_IRQ_GPIOA_4 (NR_IRQS + 4)
# define LM_IRQ_GPIOA_5 (NR_IRQS + 5)
# define LM_IRQ_GPIOA_6 (NR_IRQS + 6)
# define LM_IRQ_GPIOA_7 (NR_IRQS + 7)
# define _NGPIOAIRQS (NR_IRQS + 8)
#else
# define _NGPIOAIRQS NR_IRQS
#endif
#ifndef CONFIG_LM_DISABLE_GPIOB_IRQS
# define LM_IRQ_GPIOB_0 (_NGPIOAIRQS + 0)
# define LM_IRQ_GPIOB_1 (_NGPIOAIRQS + 1)
# define LM_IRQ_GPIOB_2 (_NGPIOAIRQS + 2)
# define LM_IRQ_GPIOB_3 (_NGPIOAIRQS + 3)
# define LM_IRQ_GPIOB_4 (_NGPIOAIRQS + 4)
# define LM_IRQ_GPIOB_5 (_NGPIOAIRQS + 5)
# define LM_IRQ_GPIOB_6 (_NGPIOAIRQS + 6)
# define LM_IRQ_GPIOB_7 (_NGPIOAIRQS + 7)
# define _NGPIOBIRQS (_NGPIOAIRQS + 8)
#else
# define _NGPIOBIRQS _NGPIOAIRQS
#endif
#ifndef CONFIG_LM_DISABLE_GPIOC_IRQS
# define LM_IRQ_GPIOC_0 (_NGPIOBIRQS + 0)
# define LM_IRQ_GPIOC_1 (_NGPIOBIRQS + 1)
# define LM_IRQ_GPIOC_2 (_NGPIOBIRQS + 2)
# define LM_IRQ_GPIOC_3 (_NGPIOBIRQS + 3)
# define LM_IRQ_GPIOC_4 (_NGPIOBIRQS + 4)
# define LM_IRQ_GPIOC_5 (_NGPIOBIRQS + 5)
# define LM_IRQ_GPIOC_6 (_NGPIOBIRQS + 6)
# define LM_IRQ_GPIOC_7 (_NGPIOBIRQS + 7)
# define _NGPIOCIRQS (_NGPIOBIRQS + 8)
#else
# define _NGPIOCIRQS _NGPIOBIRQS
#endif
#ifndef CONFIG_LM_DISABLE_GPIOD_IRQS
# define LM_IRQ_GPIOD_0 (_NGPIOCIRQS + 0)
# define LM_IRQ_GPIOD_1 (_NGPIOCIRQS + 1)
# define LM_IRQ_GPIOD_2 (_NGPIOCIRQS + 2)
# define LM_IRQ_GPIOD_3 (_NGPIOCIRQS + 3)
# define LM_IRQ_GPIOD_4 (_NGPIOCIRQS + 4)
# define LM_IRQ_GPIOD_5 (_NGPIOCIRQS + 5)
# define LM_IRQ_GPIOD_6 (_NGPIOCIRQS + 6)
# define LM_IRQ_GPIOD_7 (_NGPIOCIRQS + 7)
# define _NGPIODIRQS (_NGPIOCIRQS + 8)
#else
# define _NGPIODIRQS _NGPIOCIRQS
#endif
#ifndef CONFIG_LM_DISABLE_GPIOE_IRQS
# define LM_IRQ_GPIOE_0 (_NGPIODIRQS + 0)
# define LM_IRQ_GPIOE_1 (_NGPIODIRQS + 1)
# define LM_IRQ_GPIOE_2 (_NGPIODIRQS + 2)
# define LM_IRQ_GPIOE_3 (_NGPIODIRQS + 3)
# define LM_IRQ_GPIOE_4 (_NGPIODIRQS + 4)
# define LM_IRQ_GPIOE_5 (_NGPIODIRQS + 5)
# define LM_IRQ_GPIOE_6 (_NGPIODIRQS + 6)
# define LM_IRQ_GPIOE_7 (_NGPIODIRQS + 7)
# define _NGPIOEIRQS (_NGPIODIRQS + 8)
#else
# define _NGPIOEIRQS _NGPIODIRQS
#endif
#ifndef CONFIG_LM_DISABLE_GPIOF_IRQS
# define LM_IRQ_GPIOF_0 (_NGPIOEIRQS + 0)
# define LM_IRQ_GPIOF_1 (_NGPIOEIRQS + 1)
# define LM_IRQ_GPIOF_2 (_NGPIOEIRQS + 2)
# define LM_IRQ_GPIOF_3 (_NGPIOEIRQS + 3)
# define LM_IRQ_GPIOF_4 (_NGPIOEIRQS + 4)
# define LM_IRQ_GPIOF_5 (_NGPIOEIRQS + 5)
# define LM_IRQ_GPIOF_6 (_NGPIOEIRQS + 6)
# define LM_IRQ_GPIOF_7 (_NGPIOEIRQS + 7)
# define _NGPIOFIRQS (_NGPIOEIRQS + 8)
#else
# define _NGPIOFIRQS _NGPIOEIRQS
#endif
#ifndef CONFIG_LM_DISABLE_GPIOG_IRQS
# define LM_IRQ_GPIOG_0 (_NGPIOFIRQS + 0)
# define LM_IRQ_GPIOG_1 (_NGPIOFIRQS + 1)
# define LM_IRQ_GPIOG_2 (_NGPIOFIRQS + 2)
# define LM_IRQ_GPIOG_3 (_NGPIOFIRQS + 3)
# define LM_IRQ_GPIOG_4 (_NGPIOFIRQS + 4)
# define LM_IRQ_GPIOG_5 (_NGPIOFIRQS + 5)
# define LM_IRQ_GPIOG_6 (_NGPIOFIRQS + 6)
# define LM_IRQ_GPIOG_7 (_NGPIOFIRQS + 7)
# define _NGPIOGIRQS (_NGPIOFIRQS + 8)
#else
# define _NGPIOGIRQS _NGPIOFIRQS
#endif
#ifndef CONFIG_LM_DISABLE_GPIOH_IRQS
# define LM_IRQ_GPIOH_0 (_NGPIOGIRQS + 0)
# define LM_IRQ_GPIOH_1 (_NGPIOGIRQS + 1)
# define LM_IRQ_GPIOH_2 (_NGPIOGIRQS + 2)
# define LM_IRQ_GPIOH_3 (_NGPIOGIRQS + 3)
# define LM_IRQ_GPIOH_4 (_NGPIOGIRQS + 4)
# define LM_IRQ_GPIOH_5 (_NGPIOGIRQS + 5)
# define LM_IRQ_GPIOH_6 (_NGPIOGIRQS + 6)
# define LM_IRQ_GPIOH_7 (_NGPIOGIRQS + 7)
# define _NGPIOHIRQS (_NGPIOGIRQS + 8)
#else
# define _NGPIOHIRQS _NGPIOGIRQS
#endif
#ifndef CONFIG_LM_DISABLE_GPIOJ_IRQS
# define LM_IRQ_GPIOJ_0 (_NGPIOHIRQS + 0)
# define LM_IRQ_GPIOJ_1 (_NGPIOHIRQS + 1)
# define LM_IRQ_GPIOJ_2 (_NGPIOHIRQS + 2)
# define LM_IRQ_GPIOJ_3 (_NGPIOHIRQS + 3)
# define LM_IRQ_GPIOJ_4 (_NGPIOHIRQS + 4)
# define LM_IRQ_GPIOJ_5 (_NGPIOHIRQS + 5)
# define LM_IRQ_GPIOJ_6 (_NGPIOHIRQS + 6)
# define LM_IRQ_GPIOJ_7 (_NGPIOHIRQS + 7)
# define _NGPIOJIRQS (_NGPIOHIRQS + 8)
#else
# define _NGPIOJIRQS _NGPIOHIRQS
#endif
#define NR_GPIO_IRQS (_NGPIOJIRQS - NR_IRQS)
/************************************************************************************
* Public Types
************************************************************************************/
/************************************************************************************
* Public Data
************************************************************************************/
#ifndef __ASSEMBLY__
#ifdef __cplusplus
extern "C"
{
#endif
/************************************************************************************
* Public Functions
************************************************************************************/
/****************************************************************************
* Name: gpio_irqattach
*
* Description:
* Attach the interrupt handler 'isr' to the GPIO IRQ 'irq'
*
****************************************************************************/
int gpio_irqattach(int irq, xcpt_t isr);
#define gpio_irqdetach(isr) gpio_irqattach(isr, NULL)
/****************************************************************************
* Name: gpio_irqenable
*
* Description:
* Enable the GPIO IRQ specified by 'irq'
*
****************************************************************************/
void gpio_irqenable(int irq);
/****************************************************************************
* Name: gpio_irqdisable
*
* Description:
* Disable the GPIO IRQ specified by 'irq'
*
****************************************************************************/
void gpio_irqdisable(int irq);
#ifdef __cplusplus
}
#endif
#endif
#endif /* __ARCH_ARM_INCLUDE_LM_IRQ_H */
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