static int s3c_serial_suspend(struct platform_device *dev, pm_message_t state)
{
struct uart_port *port = s3c_dev_to_port(&dev->dev);
unsigned int gpadata = 0;
unsigned int gpaconslp = 0;
if(port->line == 0) {
gpadata = __raw_readl(S3C64XX_GPADAT);
gpadata |= (1<<3);
__raw_writel(gpadata, S3C64XX_GPADAT);
} else if(port->line == 1) {
s3c_gpio_cfgpin(S3C64XX_GPA(7), S3C_GPIO_SFN(1));
gpaconslp = __raw_readl(S3C64XX_GPACONSLP);
gpaconslp |= (1 << 14);
gpaconslp &= ~(1 << 15);
__raw_writel(gpaconslp, S3C64XX_GPACONSLP);
gpadata = __raw_readl(S3C64XX_GPADAT);
gpadata |= (1 << 7);
__raw_writel(gpadata, S3C64XX_GPADAT);
s3c_gpio_setpull(S3C64XX_GPA(7), S3C_GPIO_PULL_NONE);
}
s3c6410_pm_do_save(uart_save + port->line * SAVE_UART_PORT, SAVE_UART_PORT);
if (port)
uart_suspend_port(&s3c_uart_drv, port);
return 0;
}
static ssize_t s3c_serial_show_clksrc(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct uart_port *port = s3c_dev_to_port(dev);
struct s3c_uart_port *ourport = to_ourport(port);
return snprintf(buf, PAGE_SIZE, "* %s\n", ourport->clksrc->name);
}
static int s3c_serial_suspend(struct platform_device *dev, pm_message_t state)
{
struct uart_port *port = s3c_dev_to_port(&dev->dev);
if (port)
uart_suspend_port(&s3c_uart_drv, port);
return 0;
}
static int s3c_serial_remove(struct platform_device *dev)
{
struct uart_port *port = s3c_dev_to_port(&dev->dev);
if (port)
uart_remove_one_port(&s3c_uart_drv, port);
return 0;
}
int s3c_serial_remove(struct platform_device *dev)
{
struct uart_port *port = s3c_dev_to_port(&dev->dev);
if (port) {
s3c_serial_cpufreq_deregister(to_ourport(port));
device_remove_file(&dev->dev, &dev_attr_clock_source);
uart_remove_one_port(&s3c_uart_drv, port);
}
return 0;
}
static int s3c_serial_resume(struct platform_device *dev)
{
struct uart_port *port = s3c_dev_to_port(&dev->dev);
struct s3c_uart_port *ourport = to_ourport(port);
if (port) {
clk_enable(ourport->clk);
s3c_serial_resetport(port, s3c_port_to_cfg(port));
clk_disable(ourport->clk);
uart_resume_port(&s3c_uart_drv, port);
}
return 0;
}
static int s3c_serial_resume(struct platform_device *dev)
{
struct uart_port *port = s3c_dev_to_port(&dev->dev);
struct s3c_uart_port *ourport = to_ourport(port);
unsigned int gpadata = 0;
if (port) {
clk_enable(ourport->clk);
s3c_serial_resetport(port, s3c_port_to_cfg(port));
clk_disable(ourport->clk);
s3c6410_pm_do_restore(uart_save + port->line * SAVE_UART_PORT, SAVE_UART_PORT);
uart_resume_port(&s3c_uart_drv, port);
}
if (port->line == 0) {
gpadata = __raw_readl(S3C64XX_GPADAT);
gpadata &= ~(1<<3);
__raw_writel(gpadata, S3C64XX_GPADAT);
} else if(port->line == 1) {
s3c_gpio_cfgpin(S3C64XX_GPA(7), S3C_GPIO_SFN(1));
gpadata = __raw_readl(S3C64XX_GPADAT);
gpadata &= ~(1<<7);
__raw_writel(gpadata, S3C64XX_GPADAT);
s3c_gpio_setpull(S3C64XX_GPA(7), S3C_GPIO_PULL_NONE);
s3c_gpio_cfgpin(S3C64XX_GPA(7), S3C_GPIO_SFN(2));
}
return 0;
}