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/*
* Copyright (c) 2017 Richard Braun.
* Copyright (c) 2017 Jerko Lenstra.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
*
* Intel 8259 programmable interrupt controller (PIC) driver.
*/
#ifndef _I8259_H
#define _I8259_H
/*
* Range of vectors used for IRQ handling, 8 per PIC.
*/
#define I8259_NR_IRQ_VECTORS 16
/*
* Initialize the i8259 module.
*/
void i8259_setup(void);
/*
* Enable an IRQ line on the PIC.
*/
void i8259_irq_enable(unsigned int irq);
/*
* Disable an IRQ line on the PIC.
*/
void i8259_irq_disable(unsigned int irq);
/*
* Report an end of interrupt.
*
* This function must be called with interrupts disabled.
*/
void i8259_irq_eoi(unsigned int irq);
#endif /* _I8259_H */
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