xref: /openbmc/u-boot/include/console.h (revision ae485b54)
1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * (C) Copyright 2000-2009
4  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5  */
6 
7 #ifndef __CONSOLE_H
8 #define __CONSOLE_H
9 
10 extern char console_buffer[];
11 
12 /* common/console.c */
13 int console_init_f(void);	/* Before relocation; uses the serial  stuff */
14 int console_init_r(void);	/* After  relocation; uses the console stuff */
15 int console_assign(int file, const char *devname);	/* Assign the console */
16 int ctrlc(void);
17 int had_ctrlc(void);	/* have we had a Control-C since last clear? */
18 void clear_ctrlc(void);	/* clear the Control-C condition */
19 int disable_ctrlc(int);	/* 1 to disable, 0 to enable Control-C detect */
20 int confirm_yesno(void);        /*  1 if input is "y", "Y", "yes" or "YES" */
21 
22 /**
23  * console_record_init() - set up the console recording buffers
24  *
25  * This should be called as soon as malloc() is available so that the maximum
26  * amount of console output can be recorded.
27  */
28 int console_record_init(void);
29 
30 /**
31  * console_record_reset() - reset the console recording buffers
32  *
33  * Removes any data in the buffers
34  */
35 void console_record_reset(void);
36 
37 /**
38  * console_record_reset_enable() - reset and enable the console buffers
39  *
40  * This should be called to enable the console buffer.
41  */
42 void console_record_reset_enable(void);
43 
44 /**
45  * console_announce_r() - print a U-Boot console on non-serial consoles
46  *
47  * When U-Boot starts up with a display it generally does not announce itself
48  * on the display. The banner is instead emitted on the UART before relocation.
49  * This function prints a banner on devices which (we assume) did not receive
50  * it before relocation.
51  *
52  * @return 0 (meaning no errors)
53  */
54 int console_announce_r(void);
55 
56 /*
57  * CONSOLE multiplexing.
58  */
59 #ifdef CONFIG_CONSOLE_MUX
60 #include <iomux.h>
61 #endif
62 
63 #endif
64