#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/delay.h>
#include <linux/tty.h>
#include <linux/tty_flip.h>
#include <linux/major.h>
#include <linux/string.h>
#include <linux/ptrace.h>
#include <linux/ioport.h>
#include <linux/slab.h>
#include <linux/circ_buf.h>
#include <linux/serial.h>
#include <linux/sysrq.h>
#include <linux/console.h>
#include <linux/spinlock.h>
#include <linux/init.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/sgialib.h>
#include <asm/sgi/ioc.h>
#include <asm/sgi/hpc3.h>
#include <asm/sgi/ip22.h>
#include <linux/serial_core.h>
#include "ip22zilog.h"

Data Structures
struct	uart_ip22zilog_port

Macros
#define	ZSDELAY() udelay(5)

#define	ZSDELAY_LONG() udelay(20)

#define	ZS_WSYNC(channel) do { } while (0)

#define	NUM_IP22ZILOG 1

#define	NUM_CHANNELS (NUM_IP22ZILOG * 2)

#define	ZS_CLOCK 3672000 /* Zilog input clock rate. */

#define	ZS_CLOCK_DIVISOR 16 /* Divisor this driver uses. */

#define	IP22ZILOG_FLAG_IS_CONS 0x00000004

#define	IP22ZILOG_FLAG_IS_KGDB 0x00000008

#define	IP22ZILOG_FLAG_MODEM_STATUS 0x00000010

#define	IP22ZILOG_FLAG_IS_CHANNEL_A 0x00000020

#define	IP22ZILOG_FLAG_REGS_HELD 0x00000040

#define	IP22ZILOG_FLAG_TX_STOPPED 0x00000080

#define	IP22ZILOG_FLAG_TX_ACTIVE 0x00000100

#define	IP22ZILOG_FLAG_RESET_DONE 0x00000200

#define	ZILOG_CHANNEL_FROM_PORT(PORT) ((struct zilog_channel *)((PORT)->membase))

#define	UART_ZILOG(PORT) ((struct uart_ip22zilog_port *)(PORT))

#define	IP22ZILOG_GET_CURR_REG(PORT, REGNUM) (UART_ZILOG(PORT)->curregs[REGNUM])

#define	IP22ZILOG_SET_CURR_REG(PORT, REGNUM, REGVAL) ((UART_ZILOG(PORT)->curregs[REGNUM]) = (REGVAL))

#define	ZS_IS_CONS(UP) ((UP)->flags & IP22ZILOG_FLAG_IS_CONS)

#define	ZS_IS_KGDB(UP) ((UP)->flags & IP22ZILOG_FLAG_IS_KGDB)

#define	ZS_WANTS_MODEM_STATUS(UP) ((UP)->flags & IP22ZILOG_FLAG_MODEM_STATUS)

#define	ZS_IS_CHANNEL_A(UP) ((UP)->flags & IP22ZILOG_FLAG_IS_CHANNEL_A)

#define	ZS_REGS_HELD(UP) ((UP)->flags & IP22ZILOG_FLAG_REGS_HELD)

#define	ZS_TX_STOPPED(UP) ((UP)->flags & IP22ZILOG_FLAG_TX_STOPPED)

#define	ZS_TX_ACTIVE(UP) ((UP)->flags & IP22ZILOG_FLAG_TX_ACTIVE)

#define	Rx_BRK 0x0100 /* BREAK event software flag. */

#define	Rx_SYS 0x0200 /* SysRq event software flag. */

#define	ZS_PUT_CHAR_MAX_DELAY 2000 /* 10 ms */

Functions
	module_init (ip22zilog_init)

	module_exit (ip22zilog_exit)

	MODULE_AUTHOR ("Ralf Baechle <[email protected]>")

	MODULE_DESCRIPTION ("SGI Zilog serial port driver")

	MODULE_LICENSE ("GPL")

Macro Definition Documentation

#define IP22ZILOG_FLAG_IS_CHANNEL_A 0x00000020

Definition at line 78 of file ip22zilog.c.

#define IP22ZILOG_FLAG_IS_CONS 0x00000004

Definition at line 75 of file ip22zilog.c.

#define IP22ZILOG_FLAG_IS_KGDB 0x00000008

Definition at line 76 of file ip22zilog.c.

#define IP22ZILOG_FLAG_MODEM_STATUS 0x00000010

Definition at line 77 of file ip22zilog.c.

#define IP22ZILOG_FLAG_REGS_HELD 0x00000040

Definition at line 79 of file ip22zilog.c.

#define IP22ZILOG_FLAG_RESET_DONE 0x00000200

Definition at line 82 of file ip22zilog.c.

#define IP22ZILOG_FLAG_TX_ACTIVE 0x00000100

Definition at line 81 of file ip22zilog.c.

#define IP22ZILOG_FLAG_TX_STOPPED 0x00000080

Definition at line 80 of file ip22zilog.c.

#define IP22ZILOG_GET_CURR_REG	(	PORT,
		REGNUM
	)	(UART_ZILOG(PORT)->curregs[REGNUM])

Definition at line 92 of file ip22zilog.c.

#define IP22ZILOG_SET_CURR_REG	(	PORT,
		REGNUM,
		REGVAL
	)	((UART_ZILOG(PORT)->curregs[REGNUM]) = (REGVAL))

Definition at line 94 of file ip22zilog.c.

#define NUM_CHANNELS (NUM_IP22ZILOG * 2)

Definition at line 57 of file ip22zilog.c.

#define NUM_IP22ZILOG 1

Definition at line 56 of file ip22zilog.c.

#define Rx_BRK 0x0100 /* BREAK event software flag. */

Definition at line 248 of file ip22zilog.c.

#define Rx_SYS 0x0200 /* SysRq event software flag. */

Definition at line 249 of file ip22zilog.c.

#define UART_ZILOG ( PORT ) ((struct uart_ip22zilog_port *)(PORT))

Definition at line 91 of file ip22zilog.c.

#define ZILOG_CHANNEL_FROM_PORT ( PORT ) ((struct zilog_channel *)((PORT)->membase))

Definition at line 90 of file ip22zilog.c.

#define ZS_CLOCK 3672000 /* Zilog input clock rate. */

Definition at line 59 of file ip22zilog.c.

#define ZS_CLOCK_DIVISOR 16 /* Divisor this driver uses. */

Definition at line 60 of file ip22zilog.c.

#define ZS_IS_CHANNEL_A ( UP ) ((UP)->flags & IP22ZILOG_FLAG_IS_CHANNEL_A)

Definition at line 99 of file ip22zilog.c.

#define ZS_IS_CONS ( UP ) ((UP)->flags & IP22ZILOG_FLAG_IS_CONS)

Definition at line 96 of file ip22zilog.c.

#define ZS_IS_KGDB ( UP ) ((UP)->flags & IP22ZILOG_FLAG_IS_KGDB)

Definition at line 97 of file ip22zilog.c.

#define ZS_PUT_CHAR_MAX_DELAY 2000 /* 10 ms */

Definition at line 991 of file ip22zilog.c.

#define ZS_REGS_HELD ( UP ) ((UP)->flags & IP22ZILOG_FLAG_REGS_HELD)

Definition at line 100 of file ip22zilog.c.

#define ZS_TX_ACTIVE ( UP ) ((UP)->flags & IP22ZILOG_FLAG_TX_ACTIVE)

Definition at line 102 of file ip22zilog.c.

#define ZS_TX_STOPPED ( UP ) ((UP)->flags & IP22ZILOG_FLAG_TX_STOPPED)

Definition at line 101 of file ip22zilog.c.

#define ZS_WANTS_MODEM_STATUS ( UP ) ((UP)->flags & IP22ZILOG_FLAG_MODEM_STATUS)

Definition at line 98 of file ip22zilog.c.

#define ZS_WSYNC ( channel ) do { } while (0)

Definition at line 54 of file ip22zilog.c.

#define ZSDELAY ( ) udelay(5)

Definition at line 52 of file ip22zilog.c.

#define ZSDELAY_LONG ( ) udelay(20)

Definition at line 53 of file ip22zilog.c.

Function Documentation

MODULE_AUTHOR ( "Ralf Baechle <[email protected]>" )

MODULE_DESCRIPTION ( "SGI Zilog serial port driver" )

module_exit ( ip22zilog_exit )

module_init ( ip22zilog_init )

MODULE_LICENSE ( "GPL" )

Data Structures

Macros

Functions

Macro Definition Documentation

Function Documentation