diff options
Diffstat (limited to 'drivers/serial/mcfserial.h')
| -rw-r--r-- | drivers/serial/mcfserial.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/drivers/serial/mcfserial.h b/drivers/serial/mcfserial.h new file mode 100644 index 000000000000..a2b28e8629f9 --- /dev/null +++ b/drivers/serial/mcfserial.h | |||
| @@ -0,0 +1,75 @@ | |||
| 1 | /* | ||
| 2 | * mcfserial.c -- serial driver for ColdFire internal UARTS. | ||
| 3 | * | ||
| 4 | * Copyright (c) 1999 Greg Ungerer <gerg@snapgear.com> | ||
| 5 | * Copyright (c) 2000-2001 Lineo, Inc. <www.lineo.com> | ||
| 6 | * Copyright (c) 2002 SnapGear Inc., <www.snapgear.com> | ||
| 7 | * | ||
| 8 | * Based on code from 68332serial.c which was: | ||
| 9 | * | ||
| 10 | * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) | ||
| 11 | * Copyright (C) 1998 TSHG | ||
| 12 | * Copyright (c) 1999 Rt-Control Inc. <jeff@uclinux.org> | ||
| 13 | */ | ||
| 14 | #ifndef _MCF_SERIAL_H | ||
| 15 | #define _MCF_SERIAL_H | ||
| 16 | |||
| 17 | #include <linux/config.h> | ||
| 18 | #include <linux/serial.h> | ||
| 19 | |||
| 20 | #ifdef __KERNEL__ | ||
| 21 | |||
| 22 | /* | ||
| 23 | * Define a local serial stats structure. | ||
| 24 | */ | ||
| 25 | |||
| 26 | struct mcf_stats { | ||
| 27 | unsigned int rx; | ||
| 28 | unsigned int tx; | ||
| 29 | unsigned int rxbreak; | ||
| 30 | unsigned int rxframing; | ||
| 31 | unsigned int rxparity; | ||
| 32 | unsigned int rxoverrun; | ||
| 33 | }; | ||
| 34 | |||
| 35 | |||
| 36 | /* | ||
| 37 | * This is our internal structure for each serial port's state. | ||
| 38 | * Each serial port has one of these structures associated with it. | ||
| 39 | */ | ||
| 40 | |||
| 41 | struct mcf_serial { | ||
| 42 | int magic; | ||
| 43 | volatile unsigned char *addr; /* UART memory address */ | ||
| 44 | int irq; | ||
| 45 | int flags; /* defined in tty.h */ | ||
| 46 | int type; /* UART type */ | ||
| 47 | struct tty_struct *tty; | ||
| 48 | unsigned char imr; /* Software imr register */ | ||
| 49 | unsigned int baud; | ||
| 50 | int sigs; | ||
| 51 | int custom_divisor; | ||
| 52 | int x_char; /* xon/xoff character */ | ||
| 53 | int baud_base; | ||
| 54 | int close_delay; | ||
| 55 | unsigned short closing_wait; | ||
| 56 | unsigned short closing_wait2; | ||
| 57 | unsigned long event; | ||
| 58 | int line; | ||
| 59 | int count; /* # of fd on device */ | ||
| 60 | int blocked_open; /* # of blocked opens */ | ||
| 61 | unsigned char *xmit_buf; | ||
| 62 | int xmit_head; | ||
| 63 | int xmit_tail; | ||
| 64 | int xmit_cnt; | ||
| 65 | struct mcf_stats stats; | ||
| 66 | struct work_struct tqueue; | ||
| 67 | struct work_struct tqueue_hangup; | ||
| 68 | wait_queue_head_t open_wait; | ||
| 69 | wait_queue_head_t close_wait; | ||
| 70 | |||
| 71 | }; | ||
| 72 | |||
| 73 | #endif /* __KERNEL__ */ | ||
| 74 | |||
| 75 | #endif /* _MCF_SERIAL_H */ | ||