#include <linux/sysrq.h>
#include <linux/serial_reg.h>
#include <linux/circ_buf.h>
-#include <linux/serial.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
+#include <linux/device.h>
#include <asm/io.h>
#include <asm/hardware.h>
#include <asm/irq.h>
+#include <asm/arch/pxa-regs.h>
#if defined(CONFIG_SERIAL_PXA_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ)
#define SUPPORT_SYSRQ
if (retval)
return retval;
- CKEN |= up->cken;
- udelay(1);
-
/*
* Clear the FIFO buffers and disable them.
* (they will be reenabled in set_termios())
UART_FCR_CLEAR_RCVR |
UART_FCR_CLEAR_XMIT);
serial_out(up, UART_FCR, 0);
-
- CKEN &= ~up->cken;
}
static void
serial_pxa_pm(struct uart_port *port, unsigned int state,
unsigned int oldstate)
{
- if (state) {
- /* sleep */
- } else {
- /* wake */
- }
+ struct uart_pxa_port *up = (struct uart_pxa_port *)port;
+ pxa_set_cken(up->cken, !state);
+ if (!state)
+ udelay(1);
}
static void serial_pxa_release_port(struct uart_port *port)
.cken = CKEN6_FFUART,
.port = {
.type = PORT_PXA,
- .iotype = SERIAL_IO_MEM,
+ .iotype = UPIO_MEM,
.membase = (void *)&FFUART,
.mapbase = __PREG(FFUART),
.irq = IRQ_FFUART,
.uartclk = 921600 * 16,
.fifosize = 64,
- .flags = ASYNC_SKIP_TEST,
.ops = &serial_pxa_pops,
.line = 0,
},
.cken = CKEN7_BTUART,
.port = {
.type = PORT_PXA,
- .iotype = SERIAL_IO_MEM,
+ .iotype = UPIO_MEM,
.membase = (void *)&BTUART,
.mapbase = __PREG(BTUART),
.irq = IRQ_BTUART,
.uartclk = 921600 * 16,
.fifosize = 64,
- .flags = ASYNC_SKIP_TEST,
.ops = &serial_pxa_pops,
.line = 1,
},
.cken = CKEN5_STUART,
.port = {
.type = PORT_PXA,
- .iotype = SERIAL_IO_MEM,
+ .iotype = UPIO_MEM,
.membase = (void *)&STUART,
.mapbase = __PREG(STUART),
.irq = IRQ_STUART,
.uartclk = 921600 * 16,
.fifosize = 64,
- .flags = ASYNC_SKIP_TEST,
.ops = &serial_pxa_pops,
.line = 2,
},
.cons = PXA_CONSOLE,
};
-static int __init serial_pxa_init(void)
+static int serial_pxa_suspend(struct device *_dev, u32 state, u32 level)
+{
+ struct uart_pxa_port *sport = dev_get_drvdata(_dev);
+
+ if (sport && level == SUSPEND_DISABLE)
+ uart_suspend_port(&serial_pxa_reg, &sport->port);
+
+ return 0;
+}
+
+static int serial_pxa_resume(struct device *_dev, u32 level)
+{
+ struct uart_pxa_port *sport = dev_get_drvdata(_dev);
+
+ if (sport && level == RESUME_ENABLE)
+ uart_resume_port(&serial_pxa_reg, &sport->port);
+
+ return 0;
+}
+
+static int serial_pxa_probe(struct device *_dev)
+{
+ struct platform_device *dev = to_platform_device(_dev);
+
+ serial_pxa_ports[dev->id].port.dev = _dev;
+ uart_add_one_port(&serial_pxa_reg, &serial_pxa_ports[dev->id].port);
+ dev_set_drvdata(_dev, &serial_pxa_ports[dev->id]);
+ return 0;
+}
+
+static int serial_pxa_remove(struct device *_dev)
+{
+ struct uart_pxa_port *sport = dev_get_drvdata(_dev);
+
+ dev_set_drvdata(_dev, NULL);
+
+ if (sport)
+ uart_remove_one_port(&serial_pxa_reg, &sport->port);
+
+ return 0;
+}
+
+static struct device_driver serial_pxa_driver = {
+ .name = "pxa2xx-uart",
+ .bus = &platform_bus_type,
+ .probe = serial_pxa_probe,
+ .remove = serial_pxa_remove,
+
+ .suspend = serial_pxa_suspend,
+ .resume = serial_pxa_resume,
+};
+
+int __init serial_pxa_init(void)
{
- int i, ret;
+ int ret;
ret = uart_register_driver(&serial_pxa_reg);
- if (ret)
+ if (ret != 0)
return ret;
- for (i = 0; i < ARRAY_SIZE(serial_pxa_ports); i++)
- uart_add_one_port(&serial_pxa_reg, &serial_pxa_ports[i].port);
+ ret = driver_register(&serial_pxa_driver);
+ if (ret != 0)
+ uart_unregister_driver(&serial_pxa_reg);
- return 0;
+ return ret;
}
-static void __exit serial_pxa_exit(void)
+void __exit serial_pxa_exit(void)
{
+ driver_unregister(&serial_pxa_driver);
uart_unregister_driver(&serial_pxa_reg);
}