2 * This file is part of the libpayload project.
4 * Copyright (C) 2008 Advanced Micro Devices, Inc.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 #include <libpayload-config.h>
31 #include <libpayload.h>
34 struct console_output_driver *console_out;
35 struct console_input_driver *console_in;
37 void console_add_output_driver(struct console_output_driver *out)
39 out->next = console_out;
43 void console_add_input_driver(struct console_input_driver *in)
45 in->next = console_in;
49 void console_init(void)
51 #ifdef CONFIG_VIDEO_CONSOLE
54 #ifdef CONFIG_SERIAL_CONSOLE
57 #ifdef CONFIG_PC_KEYBOARD
62 static void device_putchar(unsigned char c)
64 struct console_output_driver *out;
65 for (out = console_out; out != 0; out = out->next)
69 int putchar(unsigned int c)
78 int puts(const char *s)
96 struct console_input_driver *in;
97 for (in = console_in; in != 0; in = in->next)
104 * This returns an ASCII value - the two getchar functions
105 * cook the respective input from the device.
113 struct console_input_driver *in;
114 for (in = console_in; in != 0; in = in->next)
116 return in->getchar();
120 int getchar_timeout(int *ms)