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barebox/drivers/serial/linux_console.c

66 lines
1.4 KiB
C

#include <common.h>
#include <driver.h>
#include <init.h>
#include <asm/arch/linux.h>
#include <malloc.h>
#include <console.h>
static void linux_console_putc(struct console_device *cdev, char c)
{
struct device_d *dev = cdev->dev;
struct linux_console_data *d = dev->platform_data;
linux_write(d->stdoutfd, &c, 1);
}
static int linux_console_tstc(struct console_device *cdev)
{
struct device_d *dev = cdev->dev;
struct linux_console_data *d = dev->platform_data;
return linux_tstc(d->stdinfd);
}
static int linux_console_getc(struct console_device *cdev)
{
struct device_d *dev = cdev->dev;
struct linux_console_data *d = dev->platform_data;
char c;
linux_read(d->stdinfd, &c, 1);
return c;
}
static int linux_console_probe(struct device_d *dev)
{
struct console_device *cdev;
struct linux_console_data *data = dev->platform_data;
cdev = malloc(sizeof(struct console_device));
dev->type_data = cdev;
cdev->dev = dev;
cdev->f_caps = data->flags;
cdev->tstc = linux_console_tstc;
cdev->putc = linux_console_putc;
cdev->getc = linux_console_getc;
console_register(cdev);
return 0;
}
static struct driver_d linux_console_driver = {
.name = "console",
.probe = linux_console_probe,
.type = DEVICE_TYPE_CONSOLE,
};
static int console_init(void)
{
return register_driver(&linux_console_driver);
}
console_initcall(console_init);