| /* |
| * mcfserial.c -- serial driver for ColdFire internal UARTS. |
| * |
| * Copyright (c) 1999 Greg Ungerer <gerg@snapgear.com> |
| * Copyright (c) 2000-2001 Lineo, Inc. <www.lineo.com> |
| * Copyright (c) 2002 SnapGear Inc., <www.snapgear.com> |
| * |
| * Based on code from 68332serial.c which was: |
| * |
| * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) |
| * Copyright (C) 1998 TSHG |
| * Copyright (c) 1999 Rt-Control Inc. <jeff@uclinux.org> |
| */ |
| #ifndef _MCF_SERIAL_H |
| #define _MCF_SERIAL_H |
| |
| #include <linux/config.h> |
| #include <linux/serial.h> |
| |
| #ifdef __KERNEL__ |
| |
| /* |
| * Define a local serial stats structure. |
| */ |
| |
| struct mcf_stats { |
| unsigned int rx; |
| unsigned int tx; |
| unsigned int rxbreak; |
| unsigned int rxframing; |
| unsigned int rxparity; |
| unsigned int rxoverrun; |
| }; |
| |
| |
| /* |
| * This is our internal structure for each serial port's state. |
| * Each serial port has one of these structures associated with it. |
| */ |
| |
| struct mcf_serial { |
| int magic; |
| volatile unsigned char *addr; /* UART memory address */ |
| int irq; |
| int flags; /* defined in tty.h */ |
| int type; /* UART type */ |
| struct tty_struct *tty; |
| unsigned char imr; /* Software imr register */ |
| unsigned int baud; |
| int sigs; |
| int custom_divisor; |
| int x_char; /* xon/xoff character */ |
| int baud_base; |
| int close_delay; |
| unsigned short closing_wait; |
| unsigned short closing_wait2; |
| unsigned long event; |
| int line; |
| int count; /* # of fd on device */ |
| int blocked_open; /* # of blocked opens */ |
| unsigned char *xmit_buf; |
| int xmit_head; |
| int xmit_tail; |
| int xmit_cnt; |
| struct mcf_stats stats; |
| struct work_struct tqueue; |
| struct work_struct tqueue_hangup; |
| wait_queue_head_t open_wait; |
| wait_queue_head_t close_wait; |
| |
| }; |
| |
| #endif /* __KERNEL__ */ |
| |
| #endif /* _MCF_SERIAL_H */ |
