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https://github.com/AsahiLinux/u-boot
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8706908a25
Return value to find out if un/registration was succesful. Signed-off-by: Michal Simek <monstr@monstr.eu>
55 lines
1.8 KiB
C
55 lines
1.8 KiB
C
/*
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* (C) Copyright 2007 Michal Simek
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*
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* Michal SIMEK <monstr@monstr.cz>
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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typedef volatile struct microblaze_intc_t {
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int isr; /* interrupt status register */
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int ipr; /* interrupt pending register */
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int ier; /* interrupt enable register */
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int iar; /* interrupt acknowledge register */
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int sie; /* set interrupt enable bits */
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int cie; /* clear interrupt enable bits */
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int ivr; /* interrupt vector register */
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int mer; /* master enable register */
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} microblaze_intc_t;
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struct irq_action {
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interrupt_handler_t *handler; /* pointer to interrupt rutine */
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void *arg;
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int count; /* number of interrupt */
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};
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/**
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* Register and unregister interrupt handler rutines
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*
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* @param irq IRQ number
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* @param hdlr Interrupt handler rutine
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* @param arg Pointer to argument which is passed to int. handler rutine
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* @return 0 if registration pass, 1 if unregistration pass,
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* or an error code < 0 otherwise
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*/
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int install_interrupt_handler(int irq, interrupt_handler_t *hdlr,
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void *arg);
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int interrupts_init(void);
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