146 lines
3.4 KiB
C
146 lines
3.4 KiB
C
/*
|
|
* This file is part of the libpayload project.
|
|
*
|
|
* Copyright (C) 2008 Advanced Micro Devices, Inc.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <libpayload-config.h>
|
|
#include <libpayload.h>
|
|
#include <usb/usb.h>
|
|
|
|
struct console_output_driver *console_out;
|
|
struct console_input_driver *console_in;
|
|
static console_input_type last_getchar_input_type;
|
|
|
|
void console_add_output_driver(struct console_output_driver *out)
|
|
{
|
|
out->next = console_out;
|
|
console_out = out;
|
|
}
|
|
|
|
void console_add_input_driver(struct console_input_driver *in)
|
|
{
|
|
in->next = console_in;
|
|
console_in = in;
|
|
}
|
|
|
|
void console_init(void)
|
|
{
|
|
#ifdef CONFIG_VIDEO_CONSOLE
|
|
video_console_init();
|
|
#endif
|
|
#ifdef CONFIG_SERIAL_CONSOLE
|
|
serial_init();
|
|
#endif
|
|
#ifdef CONFIG_PC_KEYBOARD
|
|
keyboard_init();
|
|
#endif
|
|
#ifdef CONFIG_CBMEM_CONSOLE
|
|
cbmem_console_init();
|
|
#endif
|
|
}
|
|
|
|
static void device_putchar(unsigned char c)
|
|
{
|
|
struct console_output_driver *out;
|
|
for (out = console_out; out != 0; out = out->next)
|
|
out->putchar(c);
|
|
}
|
|
|
|
int putchar(unsigned int c)
|
|
{
|
|
c &= 0xff;
|
|
if (c == '\n')
|
|
device_putchar('\r');
|
|
device_putchar(c);
|
|
return c;
|
|
}
|
|
|
|
int puts(const char *s)
|
|
{
|
|
int n = 0;
|
|
|
|
while (*s) {
|
|
putchar(*s++);
|
|
n++;
|
|
}
|
|
|
|
putchar('\n');
|
|
return n + 1;
|
|
}
|
|
|
|
int havekey(void)
|
|
{
|
|
#ifdef CONFIG_USB
|
|
usb_poll();
|
|
#endif
|
|
struct console_input_driver *in;
|
|
for (in = console_in; in != 0; in = in->next)
|
|
if (in->havekey())
|
|
return 1;
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* This returns an ASCII value - the two getchar functions
|
|
* cook the respective input from the device.
|
|
*/
|
|
int getchar(void)
|
|
{
|
|
while (1) {
|
|
#ifdef CONFIG_USB
|
|
usb_poll();
|
|
#endif
|
|
struct console_input_driver *in;
|
|
for (in = console_in; in != 0; in = in->next)
|
|
if (in->havechar()) {
|
|
last_getchar_input_type = in->input_type;
|
|
return in->getchar();
|
|
}
|
|
}
|
|
}
|
|
|
|
int getchar_timeout(int *ms)
|
|
{
|
|
while (*ms > 0) {
|
|
if (havekey())
|
|
return getchar();
|
|
|
|
mdelay(100);
|
|
*ms -= 100;
|
|
}
|
|
|
|
if (*ms < 0)
|
|
*ms = 0;
|
|
|
|
return 0;
|
|
}
|
|
|
|
console_input_type last_key_input_type(void)
|
|
{
|
|
return last_getchar_input_type;
|
|
}
|