/* trioserial.h: Definitions for the Aplio TRIO serial driver.
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/* trioserial.h: Definitions for the Aplio TRIO serial driver.
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*
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*
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* Copyright (C) 1998 Kenneth Albanowski <kjahds@kjahds.com>,
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* Copyright (C) 1998 Kenneth Albanowski <kjahds@kjahds.com>,
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* D. Jeff Dionne <jeff@ryeham.ee.ryerson.ca>,
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* D. Jeff Dionne <jeff@ryeham.ee.ryerson.ca>,
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* The Silver Hammer Group, Ltd.
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* The Silver Hammer Group, Ltd.
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*
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*
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* Based on:
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* Based on:
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*
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*
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* drivers/char/68328serial.h
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* drivers/char/68328serial.h
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*
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*
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* Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
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* Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
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*/
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*/
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#ifndef _TRIO_SERIAL_H
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#ifndef _TRIO_SERIAL_H
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#define _TRIO_SERIAL_H
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#define _TRIO_SERIAL_H
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#include <linux/config.h>
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#include <linux/config.h>
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#include <asm/page.h>
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#include <asm/page.h>
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#include <asm/arch-trio/hardware.h>
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#include <asm/arch-trio/hardware.h>
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struct serial_struct {
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struct serial_struct {
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int type;
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int type;
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int line;
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int line;
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int port;
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int port;
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int irq;
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int irq;
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int flags;
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int flags;
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int xmit_fifo_size;
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int xmit_fifo_size;
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int custom_divisor;
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int custom_divisor;
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int baud_base;
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int baud_base;
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unsigned short close_delay;
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unsigned short close_delay;
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char reserved_char[2];
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char reserved_char[2];
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int hub6; /* FIXME: We don't have AT&T Hub6 boards! */
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int hub6; /* FIXME: We don't have AT&T Hub6 boards! */
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unsigned short closing_wait; /* time to wait before closing */
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unsigned short closing_wait; /* time to wait before closing */
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unsigned short closing_wait2; /* no longer used... */
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unsigned short closing_wait2; /* no longer used... */
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int reserved[4];
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int reserved[4];
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};
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};
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/*
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/*
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* For the close wait times, 0 means wait forever for serial port to
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* For the close wait times, 0 means wait forever for serial port to
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* flush its output. 65535 means don't wait at all.
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* flush its output. 65535 means don't wait at all.
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*/
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*/
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#define S_CLOSING_WAIT_INF 0
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#define S_CLOSING_WAIT_INF 0
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#define S_CLOSING_WAIT_NONE 65535
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#define S_CLOSING_WAIT_NONE 65535
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/*
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/*
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* Definitions for S_struct (and serial_struct) flags field
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* Definitions for S_struct (and serial_struct) flags field
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*/
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*/
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#define S_HUP_NOTIFY 0x0001 /* Notify getty on hangups and closes
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#define S_HUP_NOTIFY 0x0001 /* Notify getty on hangups and closes
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on the callout port */
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on the callout port */
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#define S_FOURPORT 0x0002 /* Set OU1, OUT2 per AST Fourport settings */
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#define S_FOURPORT 0x0002 /* Set OU1, OUT2 per AST Fourport settings */
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#define S_SAK 0x0004 /* Secure Attention Key (Orange book) */
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#define S_SAK 0x0004 /* Secure Attention Key (Orange book) */
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#define S_SPLIT_TERMIOS 0x0008 /* Separate termios for dialin/callout */
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#define S_SPLIT_TERMIOS 0x0008 /* Separate termios for dialin/callout */
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#define S_SPD_MASK 0x0030
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#define S_SPD_MASK 0x0030
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#define S_SPD_HI 0x0010 /* Use 56000 instead of 38400 bps */
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#define S_SPD_HI 0x0010 /* Use 56000 instead of 38400 bps */
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#define S_SPD_VHI 0x0020 /* Use 115200 instead of 38400 bps */
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#define S_SPD_VHI 0x0020 /* Use 115200 instead of 38400 bps */
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#define S_SPD_CUST 0x0030 /* Use user-specified divisor */
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#define S_SPD_CUST 0x0030 /* Use user-specified divisor */
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#define S_SKIP_TEST 0x0040 /* Skip UART test during autoconfiguration */
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#define S_SKIP_TEST 0x0040 /* Skip UART test during autoconfiguration */
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#define S_AUTO_IRQ 0x0080 /* Do automatic IRQ during autoconfiguration */
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#define S_AUTO_IRQ 0x0080 /* Do automatic IRQ during autoconfiguration */
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#define S_SESSION_LOCKOUT 0x0100 /* Lock out cua opens based on session */
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#define S_SESSION_LOCKOUT 0x0100 /* Lock out cua opens based on session */
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#define S_PGRP_LOCKOUT 0x0200 /* Lock out cua opens based on pgrp */
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#define S_PGRP_LOCKOUT 0x0200 /* Lock out cua opens based on pgrp */
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#define S_CALLOUT_NOHUP 0x0400 /* Don't do hangups for cua device */
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#define S_CALLOUT_NOHUP 0x0400 /* Don't do hangups for cua device */
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#define S_FLAGS 0x0FFF /* Possible legal S flags */
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#define S_FLAGS 0x0FFF /* Possible legal S flags */
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#define S_USR_MASK 0x0430 /* Legal flags that non-privileged
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#define S_USR_MASK 0x0430 /* Legal flags that non-privileged
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* users can set or reset */
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* users can set or reset */
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/* Internal flags used only by kernel/chr_drv/serial.c */
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/* Internal flags used only by kernel/chr_drv/serial.c */
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#define S_INITIALIZED 0x80000000 /* Serial port was initialized */
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#define S_INITIALIZED 0x80000000 /* Serial port was initialized */
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#define S_CALLOUT_ACTIVE 0x40000000 /* Call out device is active */
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#define S_CALLOUT_ACTIVE 0x40000000 /* Call out device is active */
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#define S_NORMAL_ACTIVE 0x20000000 /* Normal device is active */
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#define S_NORMAL_ACTIVE 0x20000000 /* Normal device is active */
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#define S_BOOT_AUTOCONF 0x10000000 /* Autoconfigure port on bootup */
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#define S_BOOT_AUTOCONF 0x10000000 /* Autoconfigure port on bootup */
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#define S_CLOSING 0x08000000 /* Serial port is closing */
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#define S_CLOSING 0x08000000 /* Serial port is closing */
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#define S_CTS_FLOW 0x04000000 /* Do CTS flow control */
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#define S_CTS_FLOW 0x04000000 /* Do CTS flow control */
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#define S_CHECK_CD 0x02000000 /* i.e., CLOCAL */
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#define S_CHECK_CD 0x02000000 /* i.e., CLOCAL */
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/* Software state per channel */
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/* Software state per channel */
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#ifdef __KERNEL__
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#ifdef __KERNEL__
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/*
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/*
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* This is our internal structure for each serial port's state.
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* This is our internal structure for each serial port's state.
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*
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*
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* Many fields are paralleled by the structure used by the serial_struct
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* Many fields are paralleled by the structure used by the serial_struct
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* structure.
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* structure.
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*
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*
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* For definitions of the flags field, see tty.h
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* For definitions of the flags field, see tty.h
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*/
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*/
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struct trio_serial {
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struct trio_serial {
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char soft_carrier; /* Use soft carrier on this channel */
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char soft_carrier; /* Use soft carrier on this channel */
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char break_abort; /* Is serial console in, so process brk/abrt */
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char break_abort; /* Is serial console in, so process brk/abrt */
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#if 0
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#if 0
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char cons_keyb; /* Channel runs the keyboard */
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char cons_keyb; /* Channel runs the keyboard */
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char cons_mouse; /* Channel runs the mouse */
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char cons_mouse; /* Channel runs the mouse */
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char kgdb_channel; /* Kgdb is running on this channel */
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char kgdb_channel; /* Kgdb is running on this channel */
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#endif
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#endif
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char is_cons; /* Is this our console. */
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char is_cons; /* Is this our console. */
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/* We need to know the current clock divisor
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/* We need to know the current clock divisor
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* to read the bps rate the chip has currently
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* to read the bps rate the chip has currently
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* loaded.
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* loaded.
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*/
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*/
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unsigned char clk_divisor; /* May be 1, 16, 32, or 64 */
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unsigned char clk_divisor; /* May be 1, 16, 32, or 64 */
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int baud;
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int baud;
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int magic;
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int magic;
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int baud_base;
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int baud_base;
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int port;
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int port;
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int irq;
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int irq;
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int irqmask;
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int irqmask;
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int flags; /* defined in tty.h */
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int flags; /* defined in tty.h */
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int type; /* UART type */
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int type; /* UART type */
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int use_ints;
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int use_ints;
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struct uart_regs *uart;
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struct uart_regs *uart;
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struct tty_struct *tty;
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struct tty_struct *tty;
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int read_status_mask;
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int read_status_mask;
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int ignore_status_mask;
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int ignore_status_mask;
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int timeout;
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int timeout;
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int xmit_fifo_size;
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int xmit_fifo_size;
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int custom_divisor;
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int custom_divisor;
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int x_char; /* xon/xoff character */
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int x_char; /* xon/xoff character */
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int close_delay;
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int close_delay;
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unsigned short closing_wait;
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unsigned short closing_wait;
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unsigned short closing_wait2;
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unsigned short closing_wait2;
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unsigned long event;
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unsigned long event;
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unsigned long last_active;
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unsigned long last_active;
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int line;
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int line;
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int count; /* # of fd on device */
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int count; /* # of fd on device */
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int blocked_open; /* # of blocked opens */
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int blocked_open; /* # of blocked opens */
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long session; /* Session of opening process */
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long session; /* Session of opening process */
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long pgrp; /* pgrp of opening process */
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long pgrp; /* pgrp of opening process */
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unsigned char *xmit_buf;
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unsigned char *xmit_buf;
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unsigned char *rx_buf;
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unsigned char *rx_buf;
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int xmit_head;
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int xmit_head;
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int xmit_tail;
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int xmit_tail;
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int xmit_cnt;
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int xmit_cnt;
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struct tq_struct tqueue;
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struct tq_struct tqueue;
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struct tq_struct tqueue_hangup;
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struct tq_struct tqueue_hangup;
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struct termios normal_termios;
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struct termios normal_termios;
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struct termios callout_termios;
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struct termios callout_termios;
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struct wait_queue *open_wait;
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struct wait_queue *open_wait;
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struct wait_queue *close_wait;
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struct wait_queue *close_wait;
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};
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};
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#define SERIAL_MAGIC 0x5301
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#define SERIAL_MAGIC 0x5301
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/*
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/*
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* The size of the serial xmit buffer is 1 page, or 4096 bytes
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* The size of the serial xmit buffer is 1 page, or 4096 bytes
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*/
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*/
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#define SERIAL_XMIT_SIZE PAGE_SIZE
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#define SERIAL_XMIT_SIZE PAGE_SIZE
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#define SERIAL_RX_SIZE PAGE_SIZE
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#define SERIAL_RX_SIZE PAGE_SIZE
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/*
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/*
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* Events are used to schedule things to happen at timer-interrupt
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* Events are used to schedule things to happen at timer-interrupt
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* time, instead of at rs interrupt time.
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* time, instead of at rs interrupt time.
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*/
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*/
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#define RS_EVENT_WRITE_WAKEUP 0
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#define RS_EVENT_WRITE_WAKEUP 0
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#endif /* __KERNEL__ */
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#endif /* __KERNEL__ */
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#if defined(CONFIG_M68328) || defined(CONFIG_M68EZ328)
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#if defined(CONFIG_M68328) || defined(CONFIG_M68EZ328)
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#define BASE 0xfffff900
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#define BASE 0xfffff900
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#define VSP(X) (*(volatile unsigned short *)(X))
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#define VSP(X) (*(volatile unsigned short *)(X))
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#define VCP(X) (*(volatile unsigned char *)(X))
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#define VCP(X) (*(volatile unsigned char *)(X))
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/* UART status and control */
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/* UART status and control */
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#define USTCNT VSP(BASE)
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#define USTCNT VSP(BASE)
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#define USTCNT_EN (1 << 15)
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#define USTCNT_EN (1 << 15)
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#define USTCNT_RXEN (1 << 14)
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#define USTCNT_RXEN (1 << 14)
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#define USTCNT_TXEN (1 << 13)
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#define USTCNT_TXEN (1 << 13)
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#define USTCNT_CLKMODE (1 << 12)
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#define USTCNT_CLKMODE (1 << 12)
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#define USTCNT_PARITY (1 << 11)
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#define USTCNT_PARITY (1 << 11)
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#define USTCNT_ODDEVEN (1 << 10)
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#define USTCNT_ODDEVEN (1 << 10)
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#define USTCNT_STOP (1 << 9)
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#define USTCNT_STOP (1 << 9)
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#define USTCNT_WLEN (1 << 8)
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#define USTCNT_WLEN (1 << 8)
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#define USTCNT_CTSEN (1 << 6)
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#define USTCNT_CTSEN (1 << 6)
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#define USTCNT_RXFULLEN (1 << 5)
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#define USTCNT_RXFULLEN (1 << 5)
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#define USTCNT_RXHALFEN (1 << 4)
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#define USTCNT_RXHALFEN (1 << 4)
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#define USTCNT_READYEN (1 << 3)
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#define USTCNT_READYEN (1 << 3)
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#define USTCNT_TXEMPTYEN (1 << 2)
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#define USTCNT_TXEMPTYEN (1 << 2)
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#define USTCNT_TXHALFEN (1 << 1)
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#define USTCNT_TXHALFEN (1 << 1)
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#define USTCNT_TXAVAILEN (1 << 0)
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#define USTCNT_TXAVAILEN (1 << 0)
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/* UART baud control */
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/* UART baud control */
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#define UBAUD VSP(BASE+2)
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#define UBAUD VSP(BASE+2)
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#define UBAUD_GPIOF (1 << 15)
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#define UBAUD_GPIOF (1 << 15)
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#define UBAUD_GPIOSC (1 << 14)
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#define UBAUD_GPIOSC (1 << 14)
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#define UBAUD_GPIODDR (1 << 13)
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#define UBAUD_GPIODDR (1 << 13)
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#define UBAUD_GPIOSRC (1 << 12)
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#define UBAUD_GPIOSRC (1 << 12)
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#define UBAUD_BAUDSRC (1 << 11)
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#define UBAUD_BAUDSRC (1 << 11)
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#define UBAUD_DIVMASK (0x7 << 8)
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#define UBAUD_DIVMASK (0x7 << 8)
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#define UBAUD_GETDIV(X) ((0x7 & (X)) >> 8)
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#define UBAUD_GETDIV(X) ((0x7 & (X)) >> 8)
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#define UBAUD_SETDIV(X) ((0x7 & (X)) << 8)
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#define UBAUD_SETDIV(X) ((0x7 & (X)) << 8)
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#define UBAUD_PRESCALEMASK (0x3f << 0)
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#define UBAUD_PRESCALEMASK (0x3f << 0)
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#define UBAUD_PRESCALE(X) ((0x3f & (X)) << 0)
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#define UBAUD_PRESCALE(X) ((0x3f & (X)) << 0)
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/* UART RX and status */
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/* UART RX and status */
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#define URX VSP(BASE + 4)
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#define URX VSP(BASE + 4)
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#define URX_FIFOFULL (1<<15)
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#define URX_FIFOFULL (1<<15)
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#define URX_FIFOHALF (1<<14)
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#define URX_FIFOHALF (1<<14)
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#define URX_DATARDY (1<<13)
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#define URX_DATARDY (1<<13)
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#define URX_OVERRUN (1<<11)
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#define URX_OVERRUN (1<<11)
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#define URX_FRAMEERR (1<<10)
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#define URX_FRAMEERR (1<<10)
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#define URX_BREAK (1<< 9)
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#define URX_BREAK (1<< 9)
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#define URX_PARITYERR (1<< 8)
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#define URX_PARITYERR (1<< 8)
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#define URX_CHARSTAT (URX_OVERRUN |URX_FRAMEERR |URX_BREAK |URX_PARITYERR)
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#define URX_CHARSTAT (URX_OVERRUN |URX_FRAMEERR |URX_BREAK |URX_PARITYERR)
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#define URX_CHARMASK (0xff << 0)
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#define URX_CHARMASK (0xff << 0)
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#define URX_CHAR(X) ((0xff & (X)) << 0)
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#define URX_CHAR(X) ((0xff & (X)) << 0)
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/* UART TX and status */
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/* UART TX and status */
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#define UTX VCP(BASE + 6)
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#define UTX VCP(BASE + 6)
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#define UTX_FIFOEMPTY (1<< 7)
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#define UTX_FIFOEMPTY (1<< 7)
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#define UTX_FIFOHALF (1<< 6)
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#define UTX_FIFOHALF (1<< 6)
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#define UTX_TXAVAIL (1<< 5)
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#define UTX_TXAVAIL (1<< 5)
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#define UTX_SENDBREAK (1<< 4)
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#define UTX_SENDBREAK (1<< 4)
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#define UTX_IGNCTS (1<< 3)
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#define UTX_IGNCTS (1<< 3)
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#define UTX_CTSSTAT (1<< 1)
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#define UTX_CTSSTAT (1<< 1)
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#define UTX_CTSDELTA (1<< 0)
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#define UTX_CTSDELTA (1<< 0)
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#define UTX_CHARMASK (0xff << 0)
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#define UTX_CHARMASK (0xff << 0)
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#define UTX_CHAR VCP(BASE + 7)
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#define UTX_CHAR VCP(BASE + 7)
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/* UART misc */
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/* UART misc */
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#define UMISC VSP(BASE + 8)
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#define UMISC VSP(BASE + 8)
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#define UMISC_CLKSRC (1<<14)
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#define UMISC_CLKSRC (1<<14)
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#define UMISC_GENPTERR (1<<13)
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#define UMISC_GENPTERR (1<<13)
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#define UMISC_LOOP (1<<12)
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#define UMISC_LOOP (1<<12)
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#define UMISC_RTSCTL (1<< 7)
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#define UMISC_RTSCTL (1<< 7)
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#define UMISC_RTS (1<< 6)
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#define UMISC_RTS (1<< 6)
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#define UMISC_IRDAEN (1<< 5)
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#define UMISC_IRDAEN (1<< 5)
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#define UMISC_LOOPIR (1<< 4)
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#define UMISC_LOOPIR (1<< 4)
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#define UMISC_RXPOL (1<< 3)
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#define UMISC_RXPOL (1<< 3)
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#define UMISC_TXPOL (1<< 2)
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#define UMISC_TXPOL (1<< 2)
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#endif /* CONFIG_MC68328 */
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#endif /* CONFIG_MC68328 */
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#endif /* !(_MC683XX_SERIAL_H) */
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#endif /* !(_MC683XX_SERIAL_H) */
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