xref: /openbmc/u-boot/include/console.h (revision 79df00fd)
1 /*
2  * (C) Copyright 2000-2009
3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4  *
5  * SPDX-License-Identifier:	GPL-2.0+
6  */
7 
8 #ifndef __CONSOLE_H
9 #define __CONSOLE_H
10 
11 extern char console_buffer[];
12 
13 /* common/console.c */
14 int console_init_f(void);	/* Before relocation; uses the serial  stuff */
15 int console_init_r(void);	/* After  relocation; uses the console stuff */
16 int console_assign(int file, const char *devname);	/* Assign the console */
17 int ctrlc(void);
18 int had_ctrlc(void);	/* have we had a Control-C since last clear? */
19 void clear_ctrlc(void);	/* clear the Control-C condition */
20 int disable_ctrlc(int);	/* 1 to disable, 0 to enable Control-C detect */
21 int confirm_yesno(void);        /*  1 if input is "y", "Y", "yes" or "YES" */
22 
23 /**
24  * console_record_init() - set up the console recording buffers
25  *
26  * This should be called as soon as malloc() is available so that the maximum
27  * amount of console output can be recorded.
28  */
29 int console_record_init(void);
30 
31 /**
32  * console_record_reset() - reset the console recording buffers
33  *
34  * Removes any data in the buffers
35  */
36 void console_record_reset(void);
37 
38 /**
39  * console_record_reset_enable() - reset and enable the console buffers
40  *
41  * This should be called to enable the console buffer.
42  */
43 void console_record_reset_enable(void);
44 
45 /**
46  * console_announce_r() - print a U-Boot console on non-serial consoles
47  *
48  * When U-Boot starts up with a display it generally does not announce itself
49  * on the display. The banner is instead emitted on the UART before relocation.
50  * This function prints a banner on devices which (we assume) did not receive
51  * it before relocation.
52  *
53  * @return 0 (meaning no errors)
54  */
55 int console_announce_r(void);
56 
57 /*
58  * CONSOLE multiplexing.
59  */
60 #ifdef CONFIG_CONSOLE_MUX
61 #include <iomux.h>
62 #endif
63 
64 #endif
65