1/*
2 * Copyright (c) 2005-2006 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28/*
29 * @OSF_COPYRIGHT@
30 */
31/*
32 * @APPLE_FREE_COPYRIGHT@
33 */
34
35#ifndef _CONSOLE_SERIAL_PROTOS_H_
36#define _CONSOLE_SERIAL_PROTOS_H_
37
38#ifdef __cplusplus
39extern "C" {
40#endif
41
42
43void serial_keyboard_init(void);
44void serial_keyboard_start(void);
45void serial_keyboard_poll(void);
46
47extern uint32_t serialmode;
48
49#define SERIALMODE_OUTPUT 0x1
50#define SERIALMODE_INPUT 0x2
51#define SERIALMODE_SYNCDRAIN 0x4
52
53extern uint32_t cons_ops_index;
54extern const uint32_t nconsops;
55extern unsigned int disable_serial_output;
56#if defined(__arm__) || defined(__arm64__)
57/* ARM64_TODO */
58extern void *console_cpu_alloc(boolean_t);
59extern void console_cpu_free(void *);
60void console_init(void);
61#endif
62
63int _serial_getc(int unit, int line, boolean_t wait, boolean_t raw);
64
65struct console_ops {
66 void (*putc)(int, int, int);
67 int (*getc)(int, int, boolean_t, boolean_t);
68};
69
70boolean_t console_is_serial(void);
71int switch_to_serial_console(void);
72int switch_to_video_console(void);
73void switch_to_old_console(int old_console);
74
75#define SERIAL_CONS_OPS 0
76#define VC_CONS_OPS 1
77
78#ifdef XNU_KERNEL_PRIVATE
79
80#define SERIAL_CONS_BUF_SIZE 256
81struct console_printbuf_state {
82 int pos;
83 int total;
84 int flags;
85#define CONS_PB_WRITE_NEWLINE 0x1
86#define CONS_PB_CANBLOCK 0x2
87 char str[SERIAL_CONS_BUF_SIZE];
88};
89
90extern int console_printbuf_drain_initialized;
91void console_printbuf_state_init(struct console_printbuf_state * data, int write_on_newline, int can_block);
92void console_printbuf_putc(int ch, void *arg);
93void console_printbuf_clear(struct console_printbuf_state * info);
94int console_write_try(char * str, int size);
95
96
97#endif /* XNU_KERNEL_PRIVATE */
98
99#ifdef __cplusplus
100}
101#endif
102
103
104#endif /* _CONSOLE_SERIAL_PROTOS_H_ */
105