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[/] [or1k/] [tags/] [before_ORP/] [uclinux/] [uClinux-2.0.x/] [drivers/] [char/] [68332serial.h] - Rev 1765
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/* 68332serial.h: Definitions for the mc68332 serial driver. * * Copyright (C) 1998 Kenneth Albanowski <kjahds@kjahds.com>, * D. Jeff Dionne <jeff@ryeham.ee.ryerson.ca>, * The Silver Hammer Group, Ltd. * * Based on 68328serial.h * */ #ifndef _MC683XX_SERIAL_H #define _MC683XX_SERIAL_H #include <linux/config.h> struct serial_struct { int type; int line; int port; int irq; int flags; int xmit_fifo_size; int custom_divisor; int baud_base; unsigned short close_delay; char reserved_char[2]; int hub6; /* FIXME: We don't have AT&T Hub6 boards! */ unsigned short closing_wait; /* time to wait before closing */ unsigned short closing_wait2; /* no longer used... */ int reserved[4]; }; /* * For the close wait times, 0 means wait forever for serial port to * flush its output. 65535 means don't wait at all. */ #define S_CLOSING_WAIT_INF 0 #define S_CLOSING_WAIT_NONE 65535 /* * Definitions for S_struct (and serial_struct) flags field */ #define S_HUP_NOTIFY 0x0001 /* Notify getty on hangups and closes on the callout port */ #define S_FOURPORT 0x0002 /* Set OU1, OUT2 per AST Fourport settings */ #define S_SAK 0x0004 /* Secure Attention Key (Orange book) */ #define S_SPLIT_TERMIOS 0x0008 /* Separate termios for dialin/callout */ #define S_SPD_MASK 0x0030 #define S_SPD_HI 0x0010 /* Use 56000 instead of 38400 bps */ #define S_SPD_VHI 0x0020 /* Use 115200 instead of 38400 bps */ #define S_SPD_CUST 0x0030 /* Use user-specified divisor */ #define S_SKIP_TEST 0x0040 /* Skip UART test during autoconfiguration */ #define S_AUTO_IRQ 0x0080 /* Do automatic IRQ during autoconfiguration */ #define S_SESSION_LOCKOUT 0x0100 /* Lock out cua opens based on session */ #define S_PGRP_LOCKOUT 0x0200 /* Lock out cua opens based on pgrp */ #define S_CALLOUT_NOHUP 0x0400 /* Don't do hangups for cua device */ #define S_FLAGS 0x0FFF /* Possible legal S flags */ #define S_USR_MASK 0x0430 /* Legal flags that non-privileged * users can set or reset */ /* Internal flags used only by kernel/chr_drv/serial.c */ #define S_INITIALIZED 0x80000000 /* Serial port was initialized */ #define S_CALLOUT_ACTIVE 0x40000000 /* Call out device is active */ #define S_NORMAL_ACTIVE 0x20000000 /* Normal device is active */ #define S_BOOT_AUTOCONF 0x10000000 /* Autoconfigure port on bootup */ #define S_CLOSING 0x08000000 /* Serial port is closing */ #define S_CTS_FLOW 0x04000000 /* Do CTS flow control */ #define S_CHECK_CD 0x02000000 /* i.e., CLOCAL */ /* Software state per channel */ #ifdef __KERNEL__ /* * This is our internal structure for each serial port's state. * * Many fields are paralleled by the structure used by the serial_struct * structure. * * For definitions of the flags field, see tty.h */ struct m68k_serial { char soft_carrier; /* Use soft carrier on this channel */ char break_abort; /* Is serial console in, so process brk/abrt */ #if 0 char cons_keyb; /* Channel runs the keyboard */ char cons_mouse; /* Channel runs the mouse */ char kgdb_channel; /* Kgdb is running on this channel */ #endif char is_cons; /* Is this our console. */ /* We need to know the current clock divisor * to read the bps rate the chip has currently * loaded. */ unsigned char clk_divisor; /* May be 1, 16, 32, or 64 */ int baud; int magic; int baud_base; int port; int irq; int flags; /* defined in tty.h */ int type; /* UART type */ struct tty_struct *tty; int read_status_mask; int ignore_status_mask; int timeout; int xmit_fifo_size; int custom_divisor; int x_char; /* xon/xoff character */ int close_delay; unsigned short closing_wait; unsigned short closing_wait2; unsigned long event; unsigned long last_active; int line; int count; /* # of fd on device */ int blocked_open; /* # of blocked opens */ long session; /* Session of opening process */ long pgrp; /* pgrp of opening process */ unsigned char *xmit_buf; int xmit_head; int xmit_tail; int xmit_cnt; struct tq_struct tqueue; struct tq_struct tqueue_hangup; struct termios normal_termios; struct termios callout_termios; struct wait_queue *open_wait; struct wait_queue *close_wait; }; #define SERIAL_MAGIC 0x5301 /* * The size of the serial xmit buffer is 1 page, or 4096 bytes */ #define SERIAL_XMIT_SIZE 4096 /* * Events are used to schedule things to happen at timer-interrupt * time, instead of at rs interrupt time. */ #define RS_EVENT_WRITE_WAKEUP 0 #endif /* __KERNEL__ */ #ifdef CONFIG_M68332 #define BASE 0xfffff900 #define VSP(X) (*(volatile unsigned short *)(X)) #define VCP(X) (*(volatile unsigned char *)(X)) #define SYNCR VSP(0xfffa04) #define QILR VSP(0xfffc04) #define QSMCR VSP(0xfffc00) #define SCCR0 VSP(0xfffc08) #define SCCR1 VSP(0xfffc0a) #define SCCR1_LOOPS (1<<14) #define SCCR1_WOMS (1<<13) #define SCCR1_ILT (1<<12) #define SCCR1_PT (1<<11) #define SCCR1_PE (1<<10) #define SCCR1_M (1<<9) #define SCCR1_WAKE (1<<8) #define SCCR1_TIE (1<<7) #define SCCR1_TCIE (1<<6) #define SCCR1_RIE (1<<5) #define SCCR1_ILIE (1<<4) #define SCCR1_TE (1<<3) #define SCCR1_RE (1<<2) #define SCCR1_RWU (1<<1) #define SCCR1_SBK (1<<0) #define SCSR VSP(0xfffc0c) #define SCSR_TDRE (1<<8) #define SCSR_TC (1<<7) #define SCSR_RDRF (1<<6) #define SCSR_RAF (1<<5) #define SCSR_IDLE (1<<4) #define SCSR_OR (1<<3) #define SCSR_NF (1<<2) #define SCSR_FE (1<<1) #define SCSR_PF (1<<0) #define SCDR VSP(0xfffC0e) #define FREF 32768 #endif #endif /* !(_MC683XX_SERIAL_H) */