mux.c File Reference

#include <linux/module.h>
#include <linux/ioport.h>
#include <linux/init.h>
#include <linux/serial.h>
#include <linux/tty.h>
#include <linux/tty_flip.h>
#include <linux/console.h>
#include <linux/delay.h>
#include <linux/device.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/parisc-device.h>
#include <linux/serial_core.h>

Go to the source code of this file.

Data Structures
struct	mux_port

Macros
#define	MUX_OFFSET   0x800
#define	MUX_LINE_OFFSET   0x80
#define	MUX_FIFO_SIZE   255
#define	MUX_POLL_DELAY   (30 * HZ / 1000)
#define	IO_DATA_REG_OFFSET   0x3c
#define	IO_DCOUNT_REG_OFFSET   0x40
#define	MUX_EOFIFO(status)   ((status & 0xF000) == 0xF000)
#define	MUX_STATUS(status)   ((status & 0xF000) == 0x8000)
#define	MUX_BREAK(status)   ((status & 0xF000) == 0x2000)
#define	MUX_NR   256
#define	UART_PUT_CHAR(p, c)   __raw_writel((c), (p)->membase + IO_DATA_REG_OFFSET)
#define	UART_GET_FIFO_CNT(p)   __raw_readl((p)->membase + IO_DCOUNT_REG_OFFSET)
#define	MUX_CONSOLE   NULL

Functions
	MODULE_DEVICE_TABLE (parisc, builtin_mux_tbl)
	MODULE_DEVICE_TABLE (parisc, mux_tbl)
	module_init (mux_init)
	module_exit (mux_exit)
	MODULE_AUTHOR ("Ryan Bradetich")
	MODULE_DESCRIPTION ("Serial MUX driver")
	MODULE_LICENSE ("GPL")
	MODULE_ALIAS_CHARDEV_MAJOR (MUX_MAJOR)

Macro Definition Documentation

#define IO_DATA_REG_OFFSET   0x3c

Definition at line 45 of file mux.c.

#define IO_DCOUNT_REG_OFFSET   0x40

Definition at line 46 of file mux.c.

#define MUX_BREAK

(

status

)

((status & 0xF000) == 0x2000)

Definition at line 50 of file mux.c.

#define MUX_CONSOLE   NULL

Definition at line 443 of file mux.c.

#define MUX_EOFIFO

(

status

)

((status & 0xF000) == 0xF000)

Definition at line 48 of file mux.c.

#define MUX_FIFO_SIZE   255

Definition at line 42 of file mux.c.

#define MUX_LINE_OFFSET   0x80

Definition at line 40 of file mux.c.

#define MUX_NR   256

Definition at line 52 of file mux.c.

#define MUX_OFFSET   0x800

Definition at line 39 of file mux.c.

#define MUX_POLL_DELAY   (30 * HZ / 1000)

Definition at line 43 of file mux.c.

#define MUX_STATUS

(

status

)

((status & 0xF000) == 0x8000)

Definition at line 49 of file mux.c.

#define UART_GET_FIFO_CNT

(

p

)

__raw_readl((p)->membase + IO_DCOUNT_REG_OFFSET)

Definition at line 72 of file mux.c.

#define UART_PUT_CHAR	(		p,
			c
	)		__raw_writel((c), (p)->membase + IO_DATA_REG_OFFSET)

Definition at line 71 of file mux.c.

Function Documentation

MODULE_ALIAS_CHARDEV_MAJOR

(

MUX_MAJOR

)

MODULE_AUTHOR

(

"Ryan Bradetich"

)

MODULE_DESCRIPTION

(

"Serial MUX driver"

)

MODULE_DEVICE_TABLE	(	parisc	,
		builtin_mux_tbl
	)

MODULE_DEVICE_TABLE	(	parisc	,
		mux_tbl
	)

module_exit

(

mux_exit

)

module_init

(

mux_init

)

MODULE_LICENSE

(

"GPL"

)