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Isaku Yamahata32993972009-07-02 19:32:06 +09001/*
2 * defines ioport related functions
3 *
4 * Copyright (c) 2003 Fabrice Bellard
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
Blue Swirl8167ee82009-07-16 20:47:01 +000017 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
Isaku Yamahata32993972009-07-02 19:32:06 +090018 */
19
20/**************************************************************************
21 * IO ports API
22 */
23
24#ifndef IOPORT_H
25#define IOPORT_H
26
27#include "qemu-common.h"
Avi Kivityacd1c812010-11-17 11:50:09 +020028#include "iorange.h"
Isaku Yamahata32993972009-07-02 19:32:06 +090029
Anthony Liguoric227f092009-10-01 16:12:16 -050030typedef uint32_t pio_addr_t;
Isaku Yamahata07323532009-07-14 19:10:43 +090031#define FMT_pioaddr PRIx32
32
Isaku Yamahata32993972009-07-02 19:32:06 +090033#define MAX_IOPORTS (64 * 1024)
Isaku Yamahatad56dd6c2009-07-02 19:32:07 +090034#define IOPORTS_MASK (MAX_IOPORTS - 1)
Isaku Yamahata32993972009-07-02 19:32:06 +090035
36/* These should really be in isa.h, but are here to make pc.h happy. */
37typedef void (IOPortWriteFunc)(void *opaque, uint32_t address, uint32_t data);
38typedef uint32_t (IOPortReadFunc)(void *opaque, uint32_t address);
39
Avi Kivityacd1c812010-11-17 11:50:09 +020040void ioport_register(IORange *iorange);
Anthony Liguoric227f092009-10-01 16:12:16 -050041int register_ioport_read(pio_addr_t start, int length, int size,
Isaku Yamahata32993972009-07-02 19:32:06 +090042 IOPortReadFunc *func, void *opaque);
Anthony Liguoric227f092009-10-01 16:12:16 -050043int register_ioport_write(pio_addr_t start, int length, int size,
Isaku Yamahata32993972009-07-02 19:32:06 +090044 IOPortWriteFunc *func, void *opaque);
Anthony Liguoric227f092009-10-01 16:12:16 -050045void isa_unassign_ioport(pio_addr_t start, int length);
Isaku Yamahata32993972009-07-02 19:32:06 +090046
47
Anthony Liguoric227f092009-10-01 16:12:16 -050048void cpu_outb(pio_addr_t addr, uint8_t val);
49void cpu_outw(pio_addr_t addr, uint16_t val);
50void cpu_outl(pio_addr_t addr, uint32_t val);
51uint8_t cpu_inb(pio_addr_t addr);
52uint16_t cpu_inw(pio_addr_t addr);
53uint32_t cpu_inl(pio_addr_t addr);
Isaku Yamahata32993972009-07-02 19:32:06 +090054
55#endif /* IOPORT_H */