1bf21cd93STycho Nightingale /*- 2bf21cd93STycho Nightingale * Copyright (c) 2014 Tycho Nightingale <tycho.nightingale@pluribusnetworks.com> 3bf21cd93STycho Nightingale * All rights reserved. 4bf21cd93STycho Nightingale * 5bf21cd93STycho Nightingale * Redistribution and use in source and binary forms, with or without 6bf21cd93STycho Nightingale * modification, are permitted provided that the following conditions 7bf21cd93STycho Nightingale * are met: 8bf21cd93STycho Nightingale * 1. Redistributions of source code must retain the above copyright 9bf21cd93STycho Nightingale * notice, this list of conditions and the following disclaimer. 10bf21cd93STycho Nightingale * 2. Redistributions in binary form must reproduce the above copyright 11bf21cd93STycho Nightingale * notice, this list of conditions and the following disclaimer in the 12bf21cd93STycho Nightingale * documentation and/or other materials provided with the distribution. 13bf21cd93STycho Nightingale * 14bf21cd93STycho Nightingale * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND 15bf21cd93STycho Nightingale * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16bf21cd93STycho Nightingale * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17bf21cd93STycho Nightingale * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18bf21cd93STycho Nightingale * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19bf21cd93STycho Nightingale * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20bf21cd93STycho Nightingale * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21bf21cd93STycho Nightingale * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22bf21cd93STycho Nightingale * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23bf21cd93STycho Nightingale * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24bf21cd93STycho Nightingale * SUCH DAMAGE. 25bf21cd93STycho Nightingale */ 26bf21cd93STycho Nightingale 27bf21cd93STycho Nightingale #ifndef _VATPIC_H_ 28bf21cd93STycho Nightingale #define _VATPIC_H_ 29bf21cd93STycho Nightingale 30bf21cd93STycho Nightingale #include <isa/isareg.h> 31bf21cd93STycho Nightingale 32bf21cd93STycho Nightingale #define ICU_IMR_OFFSET 1 33bf21cd93STycho Nightingale 34bf21cd93STycho Nightingale #define IO_ELCR1 0x4d0 35bf21cd93STycho Nightingale #define IO_ELCR2 0x4d1 36bf21cd93STycho Nightingale 37bf21cd93STycho Nightingale struct vatpic *vatpic_init(struct vm *vm); 38bf21cd93STycho Nightingale void vatpic_cleanup(struct vatpic *vatpic); 39bf21cd93STycho Nightingale 400e1453c3SPatrick Mooney int vatpic_master_handler(void *arg, bool in, uint16_t port, uint8_t bytes, 410e1453c3SPatrick Mooney uint32_t *eax); 420e1453c3SPatrick Mooney int vatpic_slave_handler(void *arg, bool in, uint16_t port, uint8_t bytes, 430e1453c3SPatrick Mooney uint32_t *eax); 440e1453c3SPatrick Mooney int vatpic_elc_handler(void *arg, bool in, uint16_t port, uint8_t bytes, 450e1453c3SPatrick Mooney uint32_t *eax); 46bf21cd93STycho Nightingale 47bf21cd93STycho Nightingale int vatpic_assert_irq(struct vm *vm, int irq); 48bf21cd93STycho Nightingale int vatpic_deassert_irq(struct vm *vm, int irq); 49bf21cd93STycho Nightingale int vatpic_pulse_irq(struct vm *vm, int irq); 502699b94cSPatrick Mooney int vatpic_set_irq_trigger(struct vm *vm, int irq, 512699b94cSPatrick Mooney enum vm_intr_trigger trigger); 52bf21cd93STycho Nightingale 53bf21cd93STycho Nightingale void vatpic_pending_intr(struct vm *vm, int *vecptr); 54bf21cd93STycho Nightingale void vatpic_intr_accepted(struct vm *vm, int vector); 55bf21cd93STycho Nightingale 56bf21cd93STycho Nightingale #endif /* _VATPIC_H_ */ 57