| /* | |
| * 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/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 */ |