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1275 |
phoenix |
/*****************************************************************************/
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/*
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* moxa.c -- MOXA Intellio family multiport serial driver.
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*
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* Copyright (C) 1999-2000 Moxa Technologies (support@moxa.com.tw).
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*
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* This code is loosely based on the Linux serial driver, written by
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* Linus Torvalds, Theodore T'so and others.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/*
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* MOXA Intellio Series Driver
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* for : LINUX
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* date : 1999/1/7
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* version : 5.1
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*/
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#include <linux/config.h>
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#include <linux/module.h>
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#include <linux/types.h>
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#include <linux/version.h>
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#include <linux/mm.h>
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#include <linux/ioport.h>
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#include <linux/errno.h>
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#include <linux/signal.h>
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#include <linux/sched.h>
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#include <linux/timer.h>
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#include <linux/interrupt.h>
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#include <linux/tty.h>
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#include <linux/tty_flip.h>
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#include <linux/major.h>
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#include <linux/string.h>
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#include <linux/fcntl.h>
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#include <linux/ptrace.h>
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#include <linux/serial.h>
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#include <linux/tty_driver.h>
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#include <linux/delay.h>
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#include <linux/pci.h>
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#include <asm/system.h>
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#include <asm/io.h>
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#include <asm/segment.h>
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#include <asm/bitops.h>
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#include <asm/uaccess.h>
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#define MOXA_VERSION "5.1k"
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#define MOXAMAJOR 172
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#define MOXACUMAJOR 173
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#define put_to_user(arg1, arg2) put_user(arg1, (unsigned long *)arg2)
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#define get_from_user(arg1, arg2) get_user(arg1, (unsigned int *)arg2)
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#define MAX_BOARDS 4 /* Don't change this value */
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#define MAX_PORTS_PER_BOARD 32 /* Don't change this value */
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#define MAX_PORTS 128 /* Don't change this value */
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/*
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* Define the Moxa PCI vendor and device IDs.
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*/
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#define MOXA_BUS_TYPE_ISA 0
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#define MOXA_BUS_TYPE_PCI 1
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#ifndef PCI_VENDOR_ID_MOXA
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#define PCI_VENDOR_ID_MOXA 0x1393
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#endif
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#ifndef PCI_DEVICE_ID_CP204J
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#define PCI_DEVICE_ID_CP204J 0x2040
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#endif
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#ifndef PCI_DEVICE_ID_C218
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#define PCI_DEVICE_ID_C218 0x2180
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#endif
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#ifndef PCI_DEVICE_ID_C320
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#define PCI_DEVICE_ID_C320 0x3200
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#endif
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enum {
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MOXA_BOARD_C218_PCI = 1,
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MOXA_BOARD_C218_ISA,
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MOXA_BOARD_C320_PCI,
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MOXA_BOARD_C320_ISA,
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MOXA_BOARD_CP204J,
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};
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static char *moxa_brdname[] =
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{
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"C218 Turbo PCI series",
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"C218 Turbo ISA series",
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"C320 Turbo PCI series",
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"C320 Turbo ISA series",
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"CP-204J series",
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};
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static struct pci_device_id moxa_pcibrds[] = {
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{ PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_C218, PCI_ANY_ID, PCI_ANY_ID,
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0, 0, MOXA_BOARD_C218_PCI },
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{ PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_C320, PCI_ANY_ID, PCI_ANY_ID,
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0, 0, MOXA_BOARD_C320_PCI },
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{ PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_CP204J, PCI_ANY_ID, PCI_ANY_ID,
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0, 0, MOXA_BOARD_CP204J },
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{ 0 }
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};
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MODULE_DEVICE_TABLE(pci, moxa_pcibrds);
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typedef struct _moxa_isa_board_conf {
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int boardType;
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int numPorts;
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unsigned long baseAddr;
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} moxa_isa_board_conf;
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static moxa_isa_board_conf moxa_isa_boards[] =
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{
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/* {MOXA_BOARD_C218_ISA,8,0xDC000}, */
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};
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typedef struct _moxa_pci_devinfo {
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ushort busNum;
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ushort devNum;
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} moxa_pci_devinfo;
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typedef struct _moxa_board_conf {
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int boardType;
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int numPorts;
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unsigned long baseAddr;
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int busType;
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moxa_pci_devinfo pciInfo;
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} moxa_board_conf;
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static moxa_board_conf moxa_boards[MAX_BOARDS];
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static unsigned long moxaBaseAddr[MAX_BOARDS];
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struct moxa_str {
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int type;
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int port;
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int close_delay;
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unsigned short closing_wait;
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int count;
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int blocked_open;
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long event; /* long req'd for set_bit --RR */
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int asyncflags;
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long session;
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long pgrp;
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unsigned long statusflags;
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struct tty_struct *tty;
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struct termios normal_termios;
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struct termios callout_termios;
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wait_queue_head_t open_wait;
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wait_queue_head_t close_wait;
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struct tq_struct tqueue;
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};
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struct mxser_mstatus {
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tcflag_t cflag;
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int cts;
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int dsr;
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int ri;
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int dcd;
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};
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static struct mxser_mstatus GMStatus[MAX_PORTS];
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/* statusflags */
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#define TXSTOPPED 0x1
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#define LOWWAIT 0x2
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#define EMPTYWAIT 0x4
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#define THROTTLE 0x8
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/* event */
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#define MOXA_EVENT_HANGUP 1
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#define SERIAL_DO_RESTART
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#define SERIAL_TYPE_NORMAL 1
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#define SERIAL_TYPE_CALLOUT 2
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#define WAKEUP_CHARS 256
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#define PORTNO(x) (MINOR((x)->device) - (x)->driver.minor_start)
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static int verbose = 0;
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static int ttymajor = MOXAMAJOR;
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static int calloutmajor = MOXACUMAJOR;
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#ifdef MODULE
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/* Variables for insmod */
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static int baseaddr[] = {0, 0, 0, 0};
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static int type[] = {0, 0, 0, 0};
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static int numports[] = {0, 0, 0, 0};
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MODULE_AUTHOR("William Chen");
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MODULE_DESCRIPTION("MOXA Intellio Family Multiport Board Device Driver");
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MODULE_LICENSE("GPL");
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MODULE_PARM(type, "1-4i");
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MODULE_PARM(baseaddr, "1-4i");
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MODULE_PARM(numports, "1-4i");
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MODULE_PARM(ttymajor, "i");
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MODULE_PARM(calloutmajor, "i");
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MODULE_PARM(verbose, "i");
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EXPORT_NO_SYMBOLS;
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#endif //MODULE
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static struct tty_driver moxaDriver;
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static struct tty_driver moxaCallout;
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static struct tty_struct *moxaTable[MAX_PORTS + 1];
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static struct termios *moxaTermios[MAX_PORTS + 1];
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static struct termios *moxaTermiosLocked[MAX_PORTS + 1];
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static struct moxa_str moxaChannels[MAX_PORTS];
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static int moxaRefcount;
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static unsigned char *moxaXmitBuff;
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static int moxaTimer_on;
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static struct timer_list moxaTimer;
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static int moxaEmptyTimer_on[MAX_PORTS];
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static struct timer_list moxaEmptyTimer[MAX_PORTS];
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static struct semaphore moxaBuffSem;
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| 232 |
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int moxa_init(void);
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#ifdef MODULE
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int init_module(void);
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void cleanup_module(void);
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#endif
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/*
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* static functions:
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*/
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static int moxa_get_PCI_conf(struct pci_dev *, int, moxa_board_conf *);
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static void do_moxa_softint(void *);
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static int moxa_open(struct tty_struct *, struct file *);
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static void moxa_close(struct tty_struct *, struct file *);
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static int moxa_write(struct tty_struct *, int, const unsigned char *, int);
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static int moxa_write_room(struct tty_struct *);
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static void moxa_flush_buffer(struct tty_struct *);
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static int moxa_chars_in_buffer(struct tty_struct *);
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static void moxa_flush_chars(struct tty_struct *);
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static void moxa_put_char(struct tty_struct *, unsigned char);
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| 250 |
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static int moxa_ioctl(struct tty_struct *, struct file *, unsigned int, unsigned long);
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static void moxa_throttle(struct tty_struct *);
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static void moxa_unthrottle(struct tty_struct *);
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static void moxa_set_termios(struct tty_struct *, struct termios *);
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| 254 |
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static void moxa_stop(struct tty_struct *);
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static void moxa_start(struct tty_struct *);
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| 256 |
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static void moxa_hangup(struct tty_struct *);
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| 257 |
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static void moxa_poll(unsigned long);
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| 258 |
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static void set_tty_param(struct tty_struct *);
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static int block_till_ready(struct tty_struct *, struct file *,
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struct moxa_str *);
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| 261 |
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static void setup_empty_event(struct tty_struct *);
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| 262 |
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static void check_xmit_empty(unsigned long);
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static void shut_down(struct moxa_str *);
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| 264 |
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static void receive_data(struct moxa_str *);
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/*
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* moxa board interface functions:
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*/
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| 268 |
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static void MoxaDriverInit(void);
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| 269 |
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static int MoxaDriverIoctl(unsigned int, unsigned long, int);
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| 270 |
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static int MoxaDriverPoll(void);
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| 271 |
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static int MoxaPortsOfCard(int);
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| 272 |
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static int MoxaPortIsValid(int);
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| 273 |
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static void MoxaPortEnable(int);
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static void MoxaPortDisable(int);
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| 275 |
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static long MoxaPortGetMaxBaud(int);
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| 276 |
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static long MoxaPortSetBaud(int, long);
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| 277 |
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static int MoxaPortSetTermio(int, struct termios *);
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| 278 |
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static int MoxaPortGetLineOut(int, int *, int *);
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| 279 |
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static void MoxaPortLineCtrl(int, int, int);
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| 280 |
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static void MoxaPortFlowCtrl(int, int, int, int, int, int);
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| 281 |
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static int MoxaPortLineStatus(int);
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| 282 |
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static int MoxaPortDCDChange(int);
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| 283 |
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static int MoxaPortDCDON(int);
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| 284 |
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static void MoxaPortFlushData(int, int);
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| 285 |
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static int MoxaPortWriteData(int, unsigned char *, int);
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| 286 |
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static int MoxaPortReadData(int, unsigned char *, int);
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| 287 |
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static int MoxaPortTxQueue(int);
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| 288 |
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static int MoxaPortRxQueue(int);
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| 289 |
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static int MoxaPortTxFree(int);
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| 290 |
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static void MoxaPortTxDisable(int);
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| 291 |
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static void MoxaPortTxEnable(int);
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| 292 |
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static int MoxaPortResetBrkCnt(int);
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| 293 |
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static void MoxaPortSendBreak(int, int);
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| 294 |
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static int moxa_get_serial_info(struct moxa_str *, struct serial_struct *);
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| 295 |
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static int moxa_set_serial_info(struct moxa_str *, struct serial_struct *);
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| 296 |
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static void MoxaSetFifo(int port, int enable);
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| 297 |
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| 298 |
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#ifdef MODULE
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| 299 |
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int init_module(void)
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| 300 |
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{
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| 301 |
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int ret;
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| 302 |
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| 303 |
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if (verbose)
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| 304 |
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printk("Loading module moxa ...\n");
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| 305 |
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ret = moxa_init();
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| 306 |
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if (verbose)
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| 307 |
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printk("Done\n");
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| 308 |
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return (ret);
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| 309 |
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}
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| 310 |
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| 311 |
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void cleanup_module(void)
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| 312 |
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{
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| 313 |
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int i;
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| 314 |
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|
| 315 |
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if (verbose)
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| 316 |
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printk("Unloading module moxa ...\n");
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| 317 |
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| 318 |
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if (moxaTimer_on)
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| 319 |
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del_timer(&moxaTimer);
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| 320 |
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| 321 |
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for (i = 0; i < MAX_PORTS; i++)
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| 322 |
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if (moxaEmptyTimer_on[i])
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| 323 |
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del_timer(&moxaEmptyTimer[i]);
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| 324 |
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| 325 |
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if (tty_unregister_driver(&moxaCallout))
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| 326 |
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printk("Couldn't unregister MOXA Intellio family callout driver\n");
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| 327 |
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if (tty_unregister_driver(&moxaDriver))
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| 328 |
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printk("Couldn't unregister MOXA Intellio family serial driver\n");
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| 329 |
|
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if (verbose)
|
| 330 |
|
|
printk("Done\n");
|
| 331 |
|
|
|
| 332 |
|
|
}
|
| 333 |
|
|
#endif
|
| 334 |
|
|
|
| 335 |
|
|
int moxa_init(void)
|
| 336 |
|
|
{
|
| 337 |
|
|
int i, n, numBoards;
|
| 338 |
|
|
struct moxa_str *ch;
|
| 339 |
|
|
int ret1, ret2;
|
| 340 |
|
|
|
| 341 |
|
|
printk(KERN_INFO "MOXA Intellio family driver version %s\n", MOXA_VERSION);
|
| 342 |
|
|
|
| 343 |
|
|
init_MUTEX(&moxaBuffSem);
|
| 344 |
|
|
memset(&moxaDriver, 0, sizeof(struct tty_driver));
|
| 345 |
|
|
memset(&moxaCallout, 0, sizeof(struct tty_driver));
|
| 346 |
|
|
moxaDriver.magic = TTY_DRIVER_MAGIC;
|
| 347 |
|
|
moxaDriver.name = "ttya";
|
| 348 |
|
|
moxaDriver.major = ttymajor;
|
| 349 |
|
|
moxaDriver.minor_start = 0;
|
| 350 |
|
|
moxaDriver.num = MAX_PORTS + 1;
|
| 351 |
|
|
moxaDriver.type = TTY_DRIVER_TYPE_SERIAL;
|
| 352 |
|
|
moxaDriver.subtype = SERIAL_TYPE_NORMAL;
|
| 353 |
|
|
moxaDriver.init_termios = tty_std_termios;
|
| 354 |
|
|
moxaDriver.init_termios.c_iflag = 0;
|
| 355 |
|
|
moxaDriver.init_termios.c_oflag = 0;
|
| 356 |
|
|
moxaDriver.init_termios.c_cflag = B9600 | CS8 | CREAD | CLOCAL | HUPCL;
|
| 357 |
|
|
moxaDriver.init_termios.c_lflag = 0;
|
| 358 |
|
|
moxaDriver.flags = TTY_DRIVER_REAL_RAW;
|
| 359 |
|
|
moxaDriver.refcount = &moxaRefcount;
|
| 360 |
|
|
moxaDriver.table = moxaTable;
|
| 361 |
|
|
moxaDriver.termios = moxaTermios;
|
| 362 |
|
|
moxaDriver.termios_locked = moxaTermiosLocked;
|
| 363 |
|
|
|
| 364 |
|
|
moxaDriver.open = moxa_open;
|
| 365 |
|
|
moxaDriver.close = moxa_close;
|
| 366 |
|
|
moxaDriver.write = moxa_write;
|
| 367 |
|
|
moxaDriver.write_room = moxa_write_room;
|
| 368 |
|
|
moxaDriver.flush_buffer = moxa_flush_buffer;
|
| 369 |
|
|
moxaDriver.chars_in_buffer = moxa_chars_in_buffer;
|
| 370 |
|
|
moxaDriver.flush_chars = moxa_flush_chars;
|
| 371 |
|
|
moxaDriver.put_char = moxa_put_char;
|
| 372 |
|
|
moxaDriver.ioctl = moxa_ioctl;
|
| 373 |
|
|
moxaDriver.throttle = moxa_throttle;
|
| 374 |
|
|
moxaDriver.unthrottle = moxa_unthrottle;
|
| 375 |
|
|
moxaDriver.set_termios = moxa_set_termios;
|
| 376 |
|
|
moxaDriver.stop = moxa_stop;
|
| 377 |
|
|
moxaDriver.start = moxa_start;
|
| 378 |
|
|
moxaDriver.hangup = moxa_hangup;
|
| 379 |
|
|
|
| 380 |
|
|
moxaCallout = moxaDriver;
|
| 381 |
|
|
moxaCallout.name = "ttyA";
|
| 382 |
|
|
moxaCallout.major = calloutmajor;
|
| 383 |
|
|
moxaCallout.subtype = SERIAL_TYPE_CALLOUT;
|
| 384 |
|
|
|
| 385 |
|
|
moxaXmitBuff = 0;
|
| 386 |
|
|
|
| 387 |
|
|
for (i = 0, ch = moxaChannels; i < MAX_PORTS; i++, ch++) {
|
| 388 |
|
|
ch->type = PORT_16550A;
|
| 389 |
|
|
ch->port = i;
|
| 390 |
|
|
ch->tqueue.routine = do_moxa_softint;
|
| 391 |
|
|
ch->tqueue.data = ch;
|
| 392 |
|
|
ch->tty = 0;
|
| 393 |
|
|
ch->close_delay = 5 * HZ / 10;
|
| 394 |
|
|
ch->closing_wait = 30 * HZ;
|
| 395 |
|
|
ch->count = 0;
|
| 396 |
|
|
ch->blocked_open = 0;
|
| 397 |
|
|
ch->callout_termios = moxaCallout.init_termios;
|
| 398 |
|
|
ch->normal_termios = moxaDriver.init_termios;
|
| 399 |
|
|
init_waitqueue_head(&ch->open_wait);
|
| 400 |
|
|
init_waitqueue_head(&ch->close_wait);
|
| 401 |
|
|
}
|
| 402 |
|
|
|
| 403 |
|
|
for (i = 0; i < MAX_BOARDS; i++) {
|
| 404 |
|
|
moxa_boards[i].boardType = 0;
|
| 405 |
|
|
moxa_boards[i].numPorts = 0;
|
| 406 |
|
|
moxa_boards[i].baseAddr = 0;
|
| 407 |
|
|
moxa_boards[i].busType = 0;
|
| 408 |
|
|
moxa_boards[i].pciInfo.busNum = 0;
|
| 409 |
|
|
moxa_boards[i].pciInfo.devNum = 0;
|
| 410 |
|
|
}
|
| 411 |
|
|
MoxaDriverInit();
|
| 412 |
|
|
printk("Tty devices major number = %d, callout devices major number = %d\n", ttymajor, calloutmajor);
|
| 413 |
|
|
|
| 414 |
|
|
ret1 = 0;
|
| 415 |
|
|
ret2 = 0;
|
| 416 |
|
|
if ((ret1 = tty_register_driver(&moxaDriver))) {
|
| 417 |
|
|
printk(KERN_ERR "Couldn't install MOXA Smartio family driver !\n");
|
| 418 |
|
|
} else if ((ret2 = tty_register_driver(&moxaCallout))) {
|
| 419 |
|
|
tty_unregister_driver(&moxaDriver);
|
| 420 |
|
|
printk(KERN_ERR "Couldn't install MOXA Smartio family callout driver !\n");
|
| 421 |
|
|
}
|
| 422 |
|
|
if (ret1 || ret2) {
|
| 423 |
|
|
return -1;
|
| 424 |
|
|
}
|
| 425 |
|
|
for (i = 0; i < MAX_PORTS; i++) {
|
| 426 |
|
|
init_timer(&moxaEmptyTimer[i]);
|
| 427 |
|
|
moxaEmptyTimer[i].function = check_xmit_empty;
|
| 428 |
|
|
moxaEmptyTimer[i].data = (unsigned long) & moxaChannels[i];
|
| 429 |
|
|
moxaEmptyTimer_on[i] = 0;
|
| 430 |
|
|
}
|
| 431 |
|
|
|
| 432 |
|
|
init_timer(&moxaTimer);
|
| 433 |
|
|
moxaTimer.function = moxa_poll;
|
| 434 |
|
|
moxaTimer.expires = jiffies + (HZ / 50);
|
| 435 |
|
|
moxaTimer_on = 1;
|
| 436 |
|
|
add_timer(&moxaTimer);
|
| 437 |
|
|
|
| 438 |
|
|
/* Find the boards defined in source code */
|
| 439 |
|
|
numBoards = 0;
|
| 440 |
|
|
for (i = 0; i < MAX_BOARDS; i++) {
|
| 441 |
|
|
if ((moxa_isa_boards[i].boardType == MOXA_BOARD_C218_ISA) ||
|
| 442 |
|
|
(moxa_isa_boards[i].boardType == MOXA_BOARD_C320_ISA)) {
|
| 443 |
|
|
moxa_boards[numBoards].boardType = moxa_isa_boards[i].boardType;
|
| 444 |
|
|
if (moxa_isa_boards[i].boardType == MOXA_BOARD_C218_ISA)
|
| 445 |
|
|
moxa_boards[numBoards].numPorts = 8;
|
| 446 |
|
|
else
|
| 447 |
|
|
moxa_boards[numBoards].numPorts = moxa_isa_boards[i].numPorts;
|
| 448 |
|
|
moxa_boards[numBoards].busType = MOXA_BUS_TYPE_ISA;
|
| 449 |
|
|
moxa_boards[numBoards].baseAddr = moxa_isa_boards[i].baseAddr;
|
| 450 |
|
|
if (verbose)
|
| 451 |
|
|
printk("Board %2d: %s board(baseAddr=%lx)\n",
|
| 452 |
|
|
numBoards + 1,
|
| 453 |
|
|
moxa_brdname[moxa_boards[numBoards].boardType - 1],
|
| 454 |
|
|
moxa_boards[numBoards].baseAddr);
|
| 455 |
|
|
numBoards++;
|
| 456 |
|
|
}
|
| 457 |
|
|
}
|
| 458 |
|
|
/* Find the boards defined form module args. */
|
| 459 |
|
|
#ifdef MODULE
|
| 460 |
|
|
for (i = 0; i < MAX_BOARDS; i++) {
|
| 461 |
|
|
if ((type[i] == MOXA_BOARD_C218_ISA) ||
|
| 462 |
|
|
(type[i] == MOXA_BOARD_C320_ISA)) {
|
| 463 |
|
|
if (verbose)
|
| 464 |
|
|
printk("Board %2d: %s board(baseAddr=%lx)\n",
|
| 465 |
|
|
numBoards + 1,
|
| 466 |
|
|
moxa_brdname[type[i] - 1],
|
| 467 |
|
|
(unsigned long) baseaddr[i]);
|
| 468 |
|
|
if (numBoards >= MAX_BOARDS) {
|
| 469 |
|
|
if (verbose)
|
| 470 |
|
|
printk("More than %d MOXA Intellio family boards found. Board is ignored.", MAX_BOARDS);
|
| 471 |
|
|
continue;
|
| 472 |
|
|
}
|
| 473 |
|
|
moxa_boards[numBoards].boardType = type[i];
|
| 474 |
|
|
if (moxa_isa_boards[i].boardType == MOXA_BOARD_C218_ISA)
|
| 475 |
|
|
moxa_boards[numBoards].numPorts = 8;
|
| 476 |
|
|
else
|
| 477 |
|
|
moxa_boards[numBoards].numPorts = numports[i];
|
| 478 |
|
|
moxa_boards[numBoards].busType = MOXA_BUS_TYPE_ISA;
|
| 479 |
|
|
moxa_boards[numBoards].baseAddr = baseaddr[i];
|
| 480 |
|
|
numBoards++;
|
| 481 |
|
|
}
|
| 482 |
|
|
}
|
| 483 |
|
|
#endif
|
| 484 |
|
|
/* Find PCI boards here */
|
| 485 |
|
|
#ifdef CONFIG_PCI
|
| 486 |
|
|
{
|
| 487 |
|
|
struct pci_dev *p = NULL;
|
| 488 |
|
|
n = (sizeof(moxa_pcibrds) / sizeof(moxa_pcibrds[0])) - 1;
|
| 489 |
|
|
i = 0;
|
| 490 |
|
|
while (i < n) {
|
| 491 |
|
|
while ((p = pci_find_device(moxa_pcibrds[i].vendor, moxa_pcibrds[i].device, p))!=NULL)
|
| 492 |
|
|
{
|
| 493 |
|
|
if (pci_enable_device(p))
|
| 494 |
|
|
continue;
|
| 495 |
|
|
if (numBoards >= MAX_BOARDS) {
|
| 496 |
|
|
if (verbose)
|
| 497 |
|
|
printk("More than %d MOXA Intellio family boards found. Board is ignored.", MAX_BOARDS);
|
| 498 |
|
|
} else {
|
| 499 |
|
|
moxa_get_PCI_conf(p, moxa_pcibrds[i].driver_data,
|
| 500 |
|
|
&moxa_boards[numBoards]);
|
| 501 |
|
|
numBoards++;
|
| 502 |
|
|
}
|
| 503 |
|
|
}
|
| 504 |
|
|
i++;
|
| 505 |
|
|
}
|
| 506 |
|
|
}
|
| 507 |
|
|
#endif
|
| 508 |
|
|
for (i = 0; i < numBoards; i++) {
|
| 509 |
|
|
moxaBaseAddr[i] = (unsigned long) ioremap((unsigned long) moxa_boards[i].baseAddr, 0x4000);
|
| 510 |
|
|
}
|
| 511 |
|
|
|
| 512 |
|
|
return (0);
|
| 513 |
|
|
}
|
| 514 |
|
|
|
| 515 |
|
|
static int moxa_get_PCI_conf(struct pci_dev *p, int board_type, moxa_board_conf * board)
|
| 516 |
|
|
{
|
| 517 |
|
|
board->baseAddr = pci_resource_start (p, 2);
|
| 518 |
|
|
board->boardType = board_type;
|
| 519 |
|
|
switch (board_type) {
|
| 520 |
|
|
case MOXA_BOARD_C218_ISA:
|
| 521 |
|
|
case MOXA_BOARD_C218_PCI:
|
| 522 |
|
|
board->numPorts = 8;
|
| 523 |
|
|
break;
|
| 524 |
|
|
|
| 525 |
|
|
case MOXA_BOARD_CP204J:
|
| 526 |
|
|
board->numPorts = 4;
|
| 527 |
|
|
break;
|
| 528 |
|
|
default:
|
| 529 |
|
|
board->numPorts = 0;
|
| 530 |
|
|
break;
|
| 531 |
|
|
}
|
| 532 |
|
|
board->busType = MOXA_BUS_TYPE_PCI;
|
| 533 |
|
|
board->pciInfo.busNum = p->bus->number;
|
| 534 |
|
|
board->pciInfo.devNum = p->devfn >> 3;
|
| 535 |
|
|
|
| 536 |
|
|
return (0);
|
| 537 |
|
|
}
|
| 538 |
|
|
|
| 539 |
|
|
static void do_moxa_softint(void *private_)
|
| 540 |
|
|
{
|
| 541 |
|
|
struct moxa_str *ch = (struct moxa_str *) private_;
|
| 542 |
|
|
struct tty_struct *tty;
|
| 543 |
|
|
|
| 544 |
|
|
if (ch && (tty = ch->tty)) {
|
| 545 |
|
|
if (test_and_clear_bit(MOXA_EVENT_HANGUP, &ch->event)) {
|
| 546 |
|
|
tty_hangup(tty); /* FIXME: module removal race here - AKPM */
|
| 547 |
|
|
wake_up_interruptible(&ch->open_wait);
|
| 548 |
|
|
ch->asyncflags &= ~(ASYNC_NORMAL_ACTIVE | ASYNC_CALLOUT_ACTIVE);
|
| 549 |
|
|
}
|
| 550 |
|
|
}
|
| 551 |
|
|
MOD_DEC_USE_COUNT;
|
| 552 |
|
|
}
|
| 553 |
|
|
|
| 554 |
|
|
static int moxa_open(struct tty_struct *tty, struct file *filp)
|
| 555 |
|
|
{
|
| 556 |
|
|
struct moxa_str *ch;
|
| 557 |
|
|
int port;
|
| 558 |
|
|
int retval;
|
| 559 |
|
|
unsigned long page;
|
| 560 |
|
|
|
| 561 |
|
|
port = PORTNO(tty);
|
| 562 |
|
|
if (port == MAX_PORTS) {
|
| 563 |
|
|
MOD_INC_USE_COUNT;
|
| 564 |
|
|
return (0);
|
| 565 |
|
|
}
|
| 566 |
|
|
if (!MoxaPortIsValid(port)) {
|
| 567 |
|
|
tty->driver_data = NULL;
|
| 568 |
|
|
return (-ENODEV);
|
| 569 |
|
|
}
|
| 570 |
|
|
down(&moxaBuffSem);
|
| 571 |
|
|
if (!moxaXmitBuff) {
|
| 572 |
|
|
page = get_free_page(GFP_KERNEL);
|
| 573 |
|
|
if (!page) {
|
| 574 |
|
|
up(&moxaBuffSem);
|
| 575 |
|
|
return (-ENOMEM);
|
| 576 |
|
|
}
|
| 577 |
|
|
/* This test is guarded by the BuffSem so no longer needed
|
| 578 |
|
|
delete me in 2.5 */
|
| 579 |
|
|
if (moxaXmitBuff)
|
| 580 |
|
|
free_page(page);
|
| 581 |
|
|
else
|
| 582 |
|
|
moxaXmitBuff = (unsigned char *) page;
|
| 583 |
|
|
}
|
| 584 |
|
|
up(&moxaBuffSem);
|
| 585 |
|
|
|
| 586 |
|
|
MOD_INC_USE_COUNT;
|
| 587 |
|
|
ch = &moxaChannels[port];
|
| 588 |
|
|
ch->count++;
|
| 589 |
|
|
tty->driver_data = ch;
|
| 590 |
|
|
ch->tty = tty;
|
| 591 |
|
|
if (ch->count == 1 && (ch->asyncflags & ASYNC_SPLIT_TERMIOS)) {
|
| 592 |
|
|
if (tty->driver.subtype == SERIAL_TYPE_NORMAL)
|
| 593 |
|
|
*tty->termios = ch->normal_termios;
|
| 594 |
|
|
else
|
| 595 |
|
|
*tty->termios = ch->callout_termios;
|
| 596 |
|
|
}
|
| 597 |
|
|
ch->session = current->session;
|
| 598 |
|
|
ch->pgrp = current->pgrp;
|
| 599 |
|
|
if (!(ch->asyncflags & ASYNC_INITIALIZED)) {
|
| 600 |
|
|
ch->statusflags = 0;
|
| 601 |
|
|
set_tty_param(tty);
|
| 602 |
|
|
MoxaPortLineCtrl(ch->port, 1, 1);
|
| 603 |
|
|
MoxaPortEnable(ch->port);
|
| 604 |
|
|
ch->asyncflags |= ASYNC_INITIALIZED;
|
| 605 |
|
|
}
|
| 606 |
|
|
retval = block_till_ready(tty, filp, ch);
|
| 607 |
|
|
|
| 608 |
|
|
moxa_unthrottle(tty);
|
| 609 |
|
|
|
| 610 |
|
|
if (ch->type == PORT_16550A) {
|
| 611 |
|
|
MoxaSetFifo(ch->port, 1);
|
| 612 |
|
|
} else {
|
| 613 |
|
|
MoxaSetFifo(ch->port, 0);
|
| 614 |
|
|
}
|
| 615 |
|
|
|
| 616 |
|
|
return (retval);
|
| 617 |
|
|
}
|
| 618 |
|
|
|
| 619 |
|
|
static void moxa_close(struct tty_struct *tty, struct file *filp)
|
| 620 |
|
|
{
|
| 621 |
|
|
struct moxa_str *ch;
|
| 622 |
|
|
int port;
|
| 623 |
|
|
|
| 624 |
|
|
port = PORTNO(tty);
|
| 625 |
|
|
if (port == MAX_PORTS) {
|
| 626 |
|
|
MOD_DEC_USE_COUNT;
|
| 627 |
|
|
return;
|
| 628 |
|
|
}
|
| 629 |
|
|
if (!MoxaPortIsValid(port)) {
|
| 630 |
|
|
#ifdef SERIAL_DEBUG_CLOSE
|
| 631 |
|
|
printk("Invalid portno in moxa_close\n");
|
| 632 |
|
|
#endif
|
| 633 |
|
|
tty->driver_data = NULL;
|
| 634 |
|
|
return;
|
| 635 |
|
|
}
|
| 636 |
|
|
if (tty->driver_data == NULL) {
|
| 637 |
|
|
return;
|
| 638 |
|
|
}
|
| 639 |
|
|
if (tty_hung_up_p(filp)) {
|
| 640 |
|
|
MOD_DEC_USE_COUNT;
|
| 641 |
|
|
return;
|
| 642 |
|
|
}
|
| 643 |
|
|
ch = (struct moxa_str *) tty->driver_data;
|
| 644 |
|
|
|
| 645 |
|
|
if ((tty->count == 1) && (ch->count != 1)) {
|
| 646 |
|
|
printk("moxa_close: bad serial port count; tty->count is 1, "
|
| 647 |
|
|
"ch->count is %d\n", ch->count);
|
| 648 |
|
|
ch->count = 1;
|
| 649 |
|
|
}
|
| 650 |
|
|
if (--ch->count < 0) {
|
| 651 |
|
|
printk("moxa_close: bad serial port count, minor=%d\n",
|
| 652 |
|
|
MINOR(tty->device));
|
| 653 |
|
|
ch->count = 0;
|
| 654 |
|
|
}
|
| 655 |
|
|
if (ch->count) {
|
| 656 |
|
|
MOD_DEC_USE_COUNT;
|
| 657 |
|
|
return;
|
| 658 |
|
|
}
|
| 659 |
|
|
ch->asyncflags |= ASYNC_CLOSING;
|
| 660 |
|
|
|
| 661 |
|
|
/*
|
| 662 |
|
|
* Save the termios structure, since this port may have
|
| 663 |
|
|
* separate termios for callout and dialin.
|
| 664 |
|
|
*/
|
| 665 |
|
|
if (ch->asyncflags & ASYNC_NORMAL_ACTIVE)
|
| 666 |
|
|
ch->normal_termios = *tty->termios;
|
| 667 |
|
|
if (ch->asyncflags & ASYNC_CALLOUT_ACTIVE)
|
| 668 |
|
|
ch->callout_termios = *tty->termios;
|
| 669 |
|
|
if (ch->asyncflags & ASYNC_INITIALIZED) {
|
| 670 |
|
|
setup_empty_event(tty);
|
| 671 |
|
|
tty_wait_until_sent(tty, 30 * HZ); /* 30 seconds timeout */
|
| 672 |
|
|
moxaEmptyTimer_on[ch->port] = 0;
|
| 673 |
|
|
del_timer(&moxaEmptyTimer[ch->port]);
|
| 674 |
|
|
}
|
| 675 |
|
|
shut_down(ch);
|
| 676 |
|
|
MoxaPortFlushData(port, 2);
|
| 677 |
|
|
|
| 678 |
|
|
if (tty->driver.flush_buffer)
|
| 679 |
|
|
tty->driver.flush_buffer(tty);
|
| 680 |
|
|
if (tty->ldisc.flush_buffer)
|
| 681 |
|
|
tty->ldisc.flush_buffer(tty);
|
| 682 |
|
|
tty->closing = 0;
|
| 683 |
|
|
ch->event = 0;
|
| 684 |
|
|
ch->tty = 0;
|
| 685 |
|
|
if (ch->blocked_open) {
|
| 686 |
|
|
if (ch->close_delay) {
|
| 687 |
|
|
set_current_state(TASK_INTERRUPTIBLE);
|
| 688 |
|
|
schedule_timeout(ch->close_delay);
|
| 689 |
|
|
}
|
| 690 |
|
|
wake_up_interruptible(&ch->open_wait);
|
| 691 |
|
|
}
|
| 692 |
|
|
ch->asyncflags &= ~(ASYNC_NORMAL_ACTIVE | ASYNC_CALLOUT_ACTIVE |
|
| 693 |
|
|
ASYNC_CLOSING);
|
| 694 |
|
|
wake_up_interruptible(&ch->close_wait);
|
| 695 |
|
|
MOD_DEC_USE_COUNT;
|
| 696 |
|
|
}
|
| 697 |
|
|
|
| 698 |
|
|
static int moxa_write(struct tty_struct *tty, int from_user,
|
| 699 |
|
|
const unsigned char *buf, int count)
|
| 700 |
|
|
{
|
| 701 |
|
|
struct moxa_str *ch;
|
| 702 |
|
|
int len, port;
|
| 703 |
|
|
unsigned long flags;
|
| 704 |
|
|
|
| 705 |
|
|
ch = (struct moxa_str *) tty->driver_data;
|
| 706 |
|
|
if (ch == NULL)
|
| 707 |
|
|
return (0);
|
| 708 |
|
|
port = ch->port;
|
| 709 |
|
|
save_flags(flags);
|
| 710 |
|
|
if (from_user) {
|
| 711 |
|
|
if (count > PAGE_SIZE)
|
| 712 |
|
|
count = PAGE_SIZE;
|
| 713 |
|
|
down(&moxaBuffSem);
|
| 714 |
|
|
if (copy_from_user(moxaXmitBuff, buf, count)) {
|
| 715 |
|
|
len = -EFAULT;
|
| 716 |
|
|
} else {
|
| 717 |
|
|
cli();
|
| 718 |
|
|
len = MoxaPortWriteData(port, moxaXmitBuff, count);
|
| 719 |
|
|
restore_flags(flags);
|
| 720 |
|
|
}
|
| 721 |
|
|
up(&moxaBuffSem);
|
| 722 |
|
|
if (len < 0)
|
| 723 |
|
|
return len;
|
| 724 |
|
|
} else {
|
| 725 |
|
|
cli();
|
| 726 |
|
|
len = MoxaPortWriteData(port, (unsigned char *) buf, count);
|
| 727 |
|
|
restore_flags(flags);
|
| 728 |
|
|
}
|
| 729 |
|
|
|
| 730 |
|
|
/*********************************************
|
| 731 |
|
|
if ( !(ch->statusflags & LOWWAIT) &&
|
| 732 |
|
|
((len != count) || (MoxaPortTxFree(port) <= 100)) )
|
| 733 |
|
|
************************************************/
|
| 734 |
|
|
ch->statusflags |= LOWWAIT;
|
| 735 |
|
|
return (len);
|
| 736 |
|
|
}
|
| 737 |
|
|
|
| 738 |
|
|
static int moxa_write_room(struct tty_struct *tty)
|
| 739 |
|
|
{
|
| 740 |
|
|
struct moxa_str *ch;
|
| 741 |
|
|
|
| 742 |
|
|
if (tty->stopped)
|
| 743 |
|
|
return (0);
|
| 744 |
|
|
ch = (struct moxa_str *) tty->driver_data;
|
| 745 |
|
|
if (ch == NULL)
|
| 746 |
|
|
return (0);
|
| 747 |
|
|
return (MoxaPortTxFree(ch->port));
|
| 748 |
|
|
}
|
| 749 |
|
|
|
| 750 |
|
|
static void moxa_flush_buffer(struct tty_struct *tty)
|
| 751 |
|
|
{
|
| 752 |
|
|
struct moxa_str *ch = (struct moxa_str *) tty->driver_data;
|
| 753 |
|
|
|
| 754 |
|
|
if (ch == NULL)
|
| 755 |
|
|
return;
|
| 756 |
|
|
MoxaPortFlushData(ch->port, 1);
|
| 757 |
|
|
if ((tty->flags & (1 << TTY_DO_WRITE_WAKEUP)) &&
|
| 758 |
|
|
tty->ldisc.write_wakeup)
|
| 759 |
|
|
(tty->ldisc.write_wakeup) (tty);
|
| 760 |
|
|
wake_up_interruptible(&tty->write_wait);
|
| 761 |
|
|
}
|
| 762 |
|
|
|
| 763 |
|
|
static int moxa_chars_in_buffer(struct tty_struct *tty)
|
| 764 |
|
|
{
|
| 765 |
|
|
int chars;
|
| 766 |
|
|
struct moxa_str *ch = (struct moxa_str *) tty->driver_data;
|
| 767 |
|
|
|
| 768 |
|
|
/*
|
| 769 |
|
|
* Sigh...I have to check if driver_data is NULL here, because
|
| 770 |
|
|
* if an open() fails, the TTY subsystem eventually calls
|
| 771 |
|
|
* tty_wait_until_sent(), which calls the driver's chars_in_buffer()
|
| 772 |
|
|
* routine. And since the open() failed, we return 0 here. TDJ
|
| 773 |
|
|
*/
|
| 774 |
|
|
if (ch == NULL)
|
| 775 |
|
|
return (0);
|
| 776 |
|
|
chars = MoxaPortTxQueue(ch->port);
|
| 777 |
|
|
if (chars) {
|
| 778 |
|
|
/*
|
| 779 |
|
|
* Make it possible to wakeup anything waiting for output
|
| 780 |
|
|
* in tty_ioctl.c, etc.
|
| 781 |
|
|
*/
|
| 782 |
|
|
if (!(ch->statusflags & EMPTYWAIT))
|
| 783 |
|
|
setup_empty_event(tty);
|
| 784 |
|
|
}
|
| 785 |
|
|
return (chars);
|
| 786 |
|
|
}
|
| 787 |
|
|
|
| 788 |
|
|
static void moxa_flush_chars(struct tty_struct *tty)
|
| 789 |
|
|
{
|
| 790 |
|
|
/*
|
| 791 |
|
|
* Don't think I need this, because this is called to empty the TX
|
| 792 |
|
|
* buffer for the 16450, 16550, etc.
|
| 793 |
|
|
*/
|
| 794 |
|
|
}
|
| 795 |
|
|
|
| 796 |
|
|
static void moxa_put_char(struct tty_struct *tty, unsigned char c)
|
| 797 |
|
|
{
|
| 798 |
|
|
struct moxa_str *ch;
|
| 799 |
|
|
int port;
|
| 800 |
|
|
unsigned long flags;
|
| 801 |
|
|
|
| 802 |
|
|
ch = (struct moxa_str *) tty->driver_data;
|
| 803 |
|
|
if (ch == NULL)
|
| 804 |
|
|
return;
|
| 805 |
|
|
port = ch->port;
|
| 806 |
|
|
save_flags(flags);
|
| 807 |
|
|
cli();
|
| 808 |
|
|
moxaXmitBuff[0] = c;
|
| 809 |
|
|
MoxaPortWriteData(port, moxaXmitBuff, 1);
|
| 810 |
|
|
restore_flags(flags);
|
| 811 |
|
|
/************************************************
|
| 812 |
|
|
if ( !(ch->statusflags & LOWWAIT) && (MoxaPortTxFree(port) <= 100) )
|
| 813 |
|
|
*************************************************/
|
| 814 |
|
|
ch->statusflags |= LOWWAIT;
|
| 815 |
|
|
}
|
| 816 |
|
|
|
| 817 |
|
|
static int moxa_ioctl(struct tty_struct *tty, struct file *file,
|
| 818 |
|
|
unsigned int cmd, unsigned long arg)
|
| 819 |
|
|
{
|
| 820 |
|
|
struct moxa_str *ch = (struct moxa_str *) tty->driver_data;
|
| 821 |
|
|
register int port;
|
| 822 |
|
|
int retval, dtr, rts;
|
| 823 |
|
|
unsigned long flag;
|
| 824 |
|
|
|
| 825 |
|
|
port = PORTNO(tty);
|
| 826 |
|
|
if ((port != MAX_PORTS) && (!ch))
|
| 827 |
|
|
return (-EINVAL);
|
| 828 |
|
|
|
| 829 |
|
|
switch (cmd) {
|
| 830 |
|
|
case TCSBRK: /* SVID version: non-zero arg --> no break */
|
| 831 |
|
|
retval = tty_check_change(tty);
|
| 832 |
|
|
if (retval)
|
| 833 |
|
|
return (retval);
|
| 834 |
|
|
setup_empty_event(tty);
|
| 835 |
|
|
tty_wait_until_sent(tty, 0);
|
| 836 |
|
|
if (!arg)
|
| 837 |
|
|
MoxaPortSendBreak(ch->port, 0);
|
| 838 |
|
|
return (0);
|
| 839 |
|
|
case TCSBRKP: /* support for POSIX tcsendbreak() */
|
| 840 |
|
|
retval = tty_check_change(tty);
|
| 841 |
|
|
if (retval)
|
| 842 |
|
|
return (retval);
|
| 843 |
|
|
setup_empty_event(tty);
|
| 844 |
|
|
tty_wait_until_sent(tty, 0);
|
| 845 |
|
|
MoxaPortSendBreak(ch->port, arg);
|
| 846 |
|
|
return (0);
|
| 847 |
|
|
case TIOCGSOFTCAR:
|
| 848 |
|
|
return put_user(C_CLOCAL(tty) ? 1 : 0, (unsigned long *) arg);
|
| 849 |
|
|
case TIOCSSOFTCAR:
|
| 850 |
|
|
if(get_user(retval, (unsigned long *) arg))
|
| 851 |
|
|
return -EFAULT;
|
| 852 |
|
|
arg = retval;
|
| 853 |
|
|
tty->termios->c_cflag = ((tty->termios->c_cflag & ~CLOCAL) |
|
| 854 |
|
|
(arg ? CLOCAL : 0));
|
| 855 |
|
|
if (C_CLOCAL(tty))
|
| 856 |
|
|
ch->asyncflags &= ~ASYNC_CHECK_CD;
|
| 857 |
|
|
else
|
| 858 |
|
|
ch->asyncflags |= ASYNC_CHECK_CD;
|
| 859 |
|
|
return (0);
|
| 860 |
|
|
case TIOCMGET:
|
| 861 |
|
|
flag = 0;
|
| 862 |
|
|
MoxaPortGetLineOut(ch->port, &dtr, &rts);
|
| 863 |
|
|
if (dtr)
|
| 864 |
|
|
flag |= TIOCM_DTR;
|
| 865 |
|
|
if (rts)
|
| 866 |
|
|
flag |= TIOCM_RTS;
|
| 867 |
|
|
dtr = MoxaPortLineStatus(ch->port);
|
| 868 |
|
|
if (dtr & 1)
|
| 869 |
|
|
flag |= TIOCM_CTS;
|
| 870 |
|
|
if (dtr & 2)
|
| 871 |
|
|
flag |= TIOCM_DSR;
|
| 872 |
|
|
if (dtr & 4)
|
| 873 |
|
|
flag |= TIOCM_CD;
|
| 874 |
|
|
return put_user(flag, (unsigned int *) arg);
|
| 875 |
|
|
case TIOCMBIS:
|
| 876 |
|
|
if(get_user(retval, (unsigned int *) arg))
|
| 877 |
|
|
return -EFAULT;
|
| 878 |
|
|
MoxaPortGetLineOut(ch->port, &dtr, &rts);
|
| 879 |
|
|
if (retval & TIOCM_RTS)
|
| 880 |
|
|
rts = 1;
|
| 881 |
|
|
if (retval & TIOCM_DTR)
|
| 882 |
|
|
dtr = 1;
|
| 883 |
|
|
MoxaPortLineCtrl(ch->port, dtr, rts);
|
| 884 |
|
|
return (0);
|
| 885 |
|
|
case TIOCMBIC:
|
| 886 |
|
|
if(get_user(retval, (unsigned int *) arg))
|
| 887 |
|
|
return -EFAULT;
|
| 888 |
|
|
MoxaPortGetLineOut(ch->port, &dtr, &rts);
|
| 889 |
|
|
if (retval & TIOCM_RTS)
|
| 890 |
|
|
rts = 0;
|
| 891 |
|
|
if (retval & TIOCM_DTR)
|
| 892 |
|
|
dtr = 0;
|
| 893 |
|
|
MoxaPortLineCtrl(ch->port, dtr, rts);
|
| 894 |
|
|
return (0);
|
| 895 |
|
|
case TIOCMSET:
|
| 896 |
|
|
if(get_user(retval, (unsigned long *) arg))
|
| 897 |
|
|
return -EFAULT;
|
| 898 |
|
|
dtr = rts = 0;
|
| 899 |
|
|
if (retval & TIOCM_RTS)
|
| 900 |
|
|
rts = 1;
|
| 901 |
|
|
if (retval & TIOCM_DTR)
|
| 902 |
|
|
dtr = 1;
|
| 903 |
|
|
MoxaPortLineCtrl(ch->port, dtr, rts);
|
| 904 |
|
|
return (0);
|
| 905 |
|
|
case TIOCGSERIAL:
|
| 906 |
|
|
return (moxa_get_serial_info(ch, (struct serial_struct *) arg));
|
| 907 |
|
|
|
| 908 |
|
|
case TIOCSSERIAL:
|
| 909 |
|
|
return (moxa_set_serial_info(ch, (struct serial_struct *) arg));
|
| 910 |
|
|
default:
|
| 911 |
|
|
retval = MoxaDriverIoctl(cmd, arg, port);
|
| 912 |
|
|
}
|
| 913 |
|
|
return (retval);
|
| 914 |
|
|
}
|
| 915 |
|
|
|
| 916 |
|
|
static void moxa_throttle(struct tty_struct *tty)
|
| 917 |
|
|
{
|
| 918 |
|
|
struct moxa_str *ch = (struct moxa_str *) tty->driver_data;
|
| 919 |
|
|
|
| 920 |
|
|
ch->statusflags |= THROTTLE;
|
| 921 |
|
|
}
|
| 922 |
|
|
|
| 923 |
|
|
static void moxa_unthrottle(struct tty_struct *tty)
|
| 924 |
|
|
{
|
| 925 |
|
|
struct moxa_str *ch = (struct moxa_str *) tty->driver_data;
|
| 926 |
|
|
|
| 927 |
|
|
ch->statusflags &= ~THROTTLE;
|
| 928 |
|
|
}
|
| 929 |
|
|
|
| 930 |
|
|
static void moxa_set_termios(struct tty_struct *tty,
|
| 931 |
|
|
struct termios *old_termios)
|
| 932 |
|
|
{
|
| 933 |
|
|
struct moxa_str *ch = (struct moxa_str *) tty->driver_data;
|
| 934 |
|
|
|
| 935 |
|
|
if (ch == NULL)
|
| 936 |
|
|
return;
|
| 937 |
|
|
set_tty_param(tty);
|
| 938 |
|
|
if (!(old_termios->c_cflag & CLOCAL) &&
|
| 939 |
|
|
(tty->termios->c_cflag & CLOCAL))
|
| 940 |
|
|
wake_up_interruptible(&ch->open_wait);
|
| 941 |
|
|
}
|
| 942 |
|
|
|
| 943 |
|
|
static void moxa_stop(struct tty_struct *tty)
|
| 944 |
|
|
{
|
| 945 |
|
|
struct moxa_str *ch = (struct moxa_str *) tty->driver_data;
|
| 946 |
|
|
|
| 947 |
|
|
if (ch == NULL)
|
| 948 |
|
|
return;
|
| 949 |
|
|
MoxaPortTxDisable(ch->port);
|
| 950 |
|
|
ch->statusflags |= TXSTOPPED;
|
| 951 |
|
|
}
|
| 952 |
|
|
|
| 953 |
|
|
|
| 954 |
|
|
static void moxa_start(struct tty_struct *tty)
|
| 955 |
|
|
{
|
| 956 |
|
|
struct moxa_str *ch = (struct moxa_str *) tty->driver_data;
|
| 957 |
|
|
|
| 958 |
|
|
if (ch == NULL)
|
| 959 |
|
|
return;
|
| 960 |
|
|
|
| 961 |
|
|
if (!(ch->statusflags & TXSTOPPED))
|
| 962 |
|
|
return;
|
| 963 |
|
|
|
| 964 |
|
|
MoxaPortTxEnable(ch->port);
|
| 965 |
|
|
ch->statusflags &= ~TXSTOPPED;
|
| 966 |
|
|
}
|
| 967 |
|
|
|
| 968 |
|
|
static void moxa_hangup(struct tty_struct *tty)
|
| 969 |
|
|
{
|
| 970 |
|
|
struct moxa_str *ch = (struct moxa_str *) tty->driver_data;
|
| 971 |
|
|
|
| 972 |
|
|
moxa_flush_buffer(tty);
|
| 973 |
|
|
shut_down(ch);
|
| 974 |
|
|
ch->event = 0;
|
| 975 |
|
|
ch->count = 0;
|
| 976 |
|
|
ch->asyncflags &= ~(ASYNC_NORMAL_ACTIVE | ASYNC_CALLOUT_ACTIVE);
|
| 977 |
|
|
ch->tty = 0;
|
| 978 |
|
|
wake_up_interruptible(&ch->open_wait);
|
| 979 |
|
|
}
|
| 980 |
|
|
|
| 981 |
|
|
static void moxa_poll(unsigned long ignored)
|
| 982 |
|
|
{
|
| 983 |
|
|
register int card;
|
| 984 |
|
|
struct moxa_str *ch;
|
| 985 |
|
|
struct tty_struct *tp;
|
| 986 |
|
|
int i, ports;
|
| 987 |
|
|
|
| 988 |
|
|
moxaTimer_on = 0;
|
| 989 |
|
|
del_timer(&moxaTimer);
|
| 990 |
|
|
|
| 991 |
|
|
if (MoxaDriverPoll() < 0) {
|
| 992 |
|
|
moxaTimer.function = moxa_poll;
|
| 993 |
|
|
moxaTimer.expires = jiffies + (HZ / 50);
|
| 994 |
|
|
moxaTimer_on = 1;
|
| 995 |
|
|
add_timer(&moxaTimer);
|
| 996 |
|
|
return;
|
| 997 |
|
|
}
|
| 998 |
|
|
for (card = 0; card < MAX_BOARDS; card++) {
|
| 999 |
|
|
if ((ports = MoxaPortsOfCard(card)) <= 0)
|
| 1000 |
|
|
continue;
|
| 1001 |
|
|
ch = &moxaChannels[card * MAX_PORTS_PER_BOARD];
|
| 1002 |
|
|
for (i = 0; i < ports; i++, ch++) {
|
| 1003 |
|
|
if ((ch->asyncflags & ASYNC_INITIALIZED) == 0)
|
| 1004 |
|
|
continue;
|
| 1005 |
|
|
if (!(ch->statusflags & THROTTLE) &&
|
| 1006 |
|
|
(MoxaPortRxQueue(ch->port) > 0))
|
| 1007 |
|
|
receive_data(ch);
|
| 1008 |
|
|
if ((tp = ch->tty) == 0)
|
| 1009 |
|
|
continue;
|
| 1010 |
|
|
if (ch->statusflags & LOWWAIT) {
|
| 1011 |
|
|
if (MoxaPortTxQueue(ch->port) <= WAKEUP_CHARS) {
|
| 1012 |
|
|
if (!tp->stopped) {
|
| 1013 |
|
|
ch->statusflags &= ~LOWWAIT;
|
| 1014 |
|
|
if ((tp->flags & (1 << TTY_DO_WRITE_WAKEUP)) &&
|
| 1015 |
|
|
tp->ldisc.write_wakeup)
|
| 1016 |
|
|
(tp->ldisc.write_wakeup) (tp);
|
| 1017 |
|
|
wake_up_interruptible(&tp->write_wait);
|
| 1018 |
|
|
}
|
| 1019 |
|
|
}
|
| 1020 |
|
|
}
|
| 1021 |
|
|
if (!I_IGNBRK(tp) && (MoxaPortResetBrkCnt(ch->port) > 0)) {
|
| 1022 |
|
|
tty_insert_flip_char(tp, 0, TTY_BREAK);
|
| 1023 |
|
|
tty_schedule_flip(tp);
|
| 1024 |
|
|
}
|
| 1025 |
|
|
if (MoxaPortDCDChange(ch->port)) {
|
| 1026 |
|
|
if (ch->asyncflags & ASYNC_CHECK_CD) {
|
| 1027 |
|
|
if (MoxaPortDCDON(ch->port))
|
| 1028 |
|
|
wake_up_interruptible(&ch->open_wait);
|
| 1029 |
|
|
else {
|
| 1030 |
|
|
set_bit(MOXA_EVENT_HANGUP, &ch->event);
|
| 1031 |
|
|
MOD_DEC_USE_COUNT;
|
| 1032 |
|
|
if (schedule_task(&ch->tqueue) == 0)
|
| 1033 |
|
|
MOD_INC_USE_COUNT;
|
| 1034 |
|
|
}
|
| 1035 |
|
|
}
|
| 1036 |
|
|
}
|
| 1037 |
|
|
}
|
| 1038 |
|
|
}
|
| 1039 |
|
|
|
| 1040 |
|
|
moxaTimer.function = moxa_poll;
|
| 1041 |
|
|
moxaTimer.expires = jiffies + (HZ / 50);
|
| 1042 |
|
|
moxaTimer_on = 1;
|
| 1043 |
|
|
add_timer(&moxaTimer);
|
| 1044 |
|
|
}
|
| 1045 |
|
|
|
| 1046 |
|
|
/******************************************************************************/
|
| 1047 |
|
|
|
| 1048 |
|
|
static void set_tty_param(struct tty_struct *tty)
|
| 1049 |
|
|
{
|
| 1050 |
|
|
register struct termios *ts;
|
| 1051 |
|
|
struct moxa_str *ch;
|
| 1052 |
|
|
int rts, cts, txflow, rxflow, xany;
|
| 1053 |
|
|
|
| 1054 |
|
|
ch = (struct moxa_str *) tty->driver_data;
|
| 1055 |
|
|
ts = tty->termios;
|
| 1056 |
|
|
if (ts->c_cflag & CLOCAL)
|
| 1057 |
|
|
ch->asyncflags &= ~ASYNC_CHECK_CD;
|
| 1058 |
|
|
else
|
| 1059 |
|
|
ch->asyncflags |= ASYNC_CHECK_CD;
|
| 1060 |
|
|
rts = cts = txflow = rxflow = xany = 0;
|
| 1061 |
|
|
if (ts->c_cflag & CRTSCTS)
|
| 1062 |
|
|
rts = cts = 1;
|
| 1063 |
|
|
if (ts->c_iflag & IXON)
|
| 1064 |
|
|
txflow = 1;
|
| 1065 |
|
|
if (ts->c_iflag & IXOFF)
|
| 1066 |
|
|
rxflow = 1;
|
| 1067 |
|
|
if (ts->c_iflag & IXANY)
|
| 1068 |
|
|
xany = 1;
|
| 1069 |
|
|
MoxaPortFlowCtrl(ch->port, rts, cts, txflow, rxflow, xany);
|
| 1070 |
|
|
MoxaPortSetTermio(ch->port, ts);
|
| 1071 |
|
|
}
|
| 1072 |
|
|
|
| 1073 |
|
|
static int block_till_ready(struct tty_struct *tty, struct file *filp,
|
| 1074 |
|
|
struct moxa_str *ch)
|
| 1075 |
|
|
{
|
| 1076 |
|
|
DECLARE_WAITQUEUE(wait,current);
|
| 1077 |
|
|
unsigned long flags;
|
| 1078 |
|
|
int retval;
|
| 1079 |
|
|
int do_clocal = C_CLOCAL(tty);
|
| 1080 |
|
|
|
| 1081 |
|
|
/*
|
| 1082 |
|
|
* If the device is in the middle of being closed, then block
|
| 1083 |
|
|
* until it's done, and then try again.
|
| 1084 |
|
|
*/
|
| 1085 |
|
|
if (tty_hung_up_p(filp) || (ch->asyncflags & ASYNC_CLOSING)) {
|
| 1086 |
|
|
if (ch->asyncflags & ASYNC_CLOSING)
|
| 1087 |
|
|
interruptible_sleep_on(&ch->close_wait);
|
| 1088 |
|
|
#ifdef SERIAL_DO_RESTART
|
| 1089 |
|
|
if (ch->asyncflags & ASYNC_HUP_NOTIFY)
|
| 1090 |
|
|
return (-EAGAIN);
|
| 1091 |
|
|
else
|
| 1092 |
|
|
return (-ERESTARTSYS);
|
| 1093 |
|
|
#else
|
| 1094 |
|
|
return (-EAGAIN);
|
| 1095 |
|
|
#endif
|
| 1096 |
|
|
}
|
| 1097 |
|
|
/*
|
| 1098 |
|
|
* If this is a callout device, then just make sure the normal
|
| 1099 |
|
|
* device isn't being used.
|
| 1100 |
|
|
*/
|
| 1101 |
|
|
if (tty->driver.subtype == SERIAL_TYPE_CALLOUT) {
|
| 1102 |
|
|
if (ch->asyncflags & ASYNC_NORMAL_ACTIVE)
|
| 1103 |
|
|
return (-EBUSY);
|
| 1104 |
|
|
if ((ch->asyncflags & ASYNC_CALLOUT_ACTIVE) &&
|
| 1105 |
|
|
(ch->asyncflags & ASYNC_SESSION_LOCKOUT) &&
|
| 1106 |
|
|
(ch->session != current->session))
|
| 1107 |
|
|
return (-EBUSY);
|
| 1108 |
|
|
if ((ch->asyncflags & ASYNC_CALLOUT_ACTIVE) &&
|
| 1109 |
|
|
(ch->asyncflags & ASYNC_PGRP_LOCKOUT) &&
|
| 1110 |
|
|
(ch->pgrp != current->pgrp))
|
| 1111 |
|
|
return (-EBUSY);
|
| 1112 |
|
|
ch->asyncflags |= ASYNC_CALLOUT_ACTIVE;
|
| 1113 |
|
|
return (0);
|
| 1114 |
|
|
}
|
| 1115 |
|
|
/*
|
| 1116 |
|
|
* If non-blocking mode is set, then make the check up front
|
| 1117 |
|
|
* and then exit.
|
| 1118 |
|
|
*/
|
| 1119 |
|
|
if (filp->f_flags & O_NONBLOCK) {
|
| 1120 |
|
|
if (ch->asyncflags & ASYNC_CALLOUT_ACTIVE)
|
| 1121 |
|
|
return (-EBUSY);
|
| 1122 |
|
|
ch->asyncflags |= ASYNC_NORMAL_ACTIVE;
|
| 1123 |
|
|
return (0);
|
| 1124 |
|
|
}
|
| 1125 |
|
|
/*
|
| 1126 |
|
|
* Block waiting for the carrier detect and the line to become free
|
| 1127 |
|
|
*/
|
| 1128 |
|
|
retval = 0;
|
| 1129 |
|
|
add_wait_queue(&ch->open_wait, &wait);
|
| 1130 |
|
|
#ifdef SERIAL_DEBUG_OPEN
|
| 1131 |
|
|
printk("block_til_ready before block: ttys%d, count = %d\n",
|
| 1132 |
|
|
ch->line, ch->count);
|
| 1133 |
|
|
#endif
|
| 1134 |
|
|
save_flags(flags);
|
| 1135 |
|
|
cli();
|
| 1136 |
|
|
if (!tty_hung_up_p(filp))
|
| 1137 |
|
|
ch->count--;
|
| 1138 |
|
|
restore_flags(flags);
|
| 1139 |
|
|
ch->blocked_open++;
|
| 1140 |
|
|
while (1) {
|
| 1141 |
|
|
set_current_state(TASK_INTERRUPTIBLE);
|
| 1142 |
|
|
if (tty_hung_up_p(filp) ||
|
| 1143 |
|
|
!(ch->asyncflags & ASYNC_INITIALIZED)) {
|
| 1144 |
|
|
#ifdef SERIAL_DO_RESTART
|
| 1145 |
|
|
if (ch->asyncflags & ASYNC_HUP_NOTIFY)
|
| 1146 |
|
|
retval = -EAGAIN;
|
| 1147 |
|
|
else
|
| 1148 |
|
|
retval = -ERESTARTSYS;
|
| 1149 |
|
|
#else
|
| 1150 |
|
|
retval = -EAGAIN;
|
| 1151 |
|
|
#endif
|
| 1152 |
|
|
break;
|
| 1153 |
|
|
}
|
| 1154 |
|
|
if (!(ch->asyncflags & ASYNC_CALLOUT_ACTIVE) &&
|
| 1155 |
|
|
!(ch->asyncflags & ASYNC_CLOSING) && (do_clocal ||
|
| 1156 |
|
|
MoxaPortDCDON(ch->port)))
|
| 1157 |
|
|
break;
|
| 1158 |
|
|
|
| 1159 |
|
|
if (signal_pending(current)) {
|
| 1160 |
|
|
retval = -ERESTARTSYS;
|
| 1161 |
|
|
break;
|
| 1162 |
|
|
}
|
| 1163 |
|
|
schedule();
|
| 1164 |
|
|
}
|
| 1165 |
|
|
set_current_state(TASK_RUNNING);
|
| 1166 |
|
|
remove_wait_queue(&ch->open_wait, &wait);
|
| 1167 |
|
|
if (!tty_hung_up_p(filp))
|
| 1168 |
|
|
ch->count++;
|
| 1169 |
|
|
ch->blocked_open--;
|
| 1170 |
|
|
#ifdef SERIAL_DEBUG_OPEN
|
| 1171 |
|
|
printk("block_til_ready after blocking: ttys%d, count = %d\n",
|
| 1172 |
|
|
ch->line, ch->count);
|
| 1173 |
|
|
#endif
|
| 1174 |
|
|
if (retval)
|
| 1175 |
|
|
return (retval);
|
| 1176 |
|
|
ch->asyncflags |= ASYNC_NORMAL_ACTIVE;
|
| 1177 |
|
|
return (0);
|
| 1178 |
|
|
}
|
| 1179 |
|
|
|
| 1180 |
|
|
static void setup_empty_event(struct tty_struct *tty)
|
| 1181 |
|
|
{
|
| 1182 |
|
|
struct moxa_str *ch = tty->driver_data;
|
| 1183 |
|
|
unsigned long flags;
|
| 1184 |
|
|
|
| 1185 |
|
|
save_flags(flags);
|
| 1186 |
|
|
cli();
|
| 1187 |
|
|
ch->statusflags |= EMPTYWAIT;
|
| 1188 |
|
|
moxaEmptyTimer_on[ch->port] = 0;
|
| 1189 |
|
|
del_timer(&moxaEmptyTimer[ch->port]);
|
| 1190 |
|
|
moxaEmptyTimer[ch->port].expires = jiffies + HZ;
|
| 1191 |
|
|
moxaEmptyTimer_on[ch->port] = 1;
|
| 1192 |
|
|
add_timer(&moxaEmptyTimer[ch->port]);
|
| 1193 |
|
|
restore_flags(flags);
|
| 1194 |
|
|
}
|
| 1195 |
|
|
|
| 1196 |
|
|
static void check_xmit_empty(unsigned long data)
|
| 1197 |
|
|
{
|
| 1198 |
|
|
struct moxa_str *ch;
|
| 1199 |
|
|
|
| 1200 |
|
|
ch = (struct moxa_str *) data;
|
| 1201 |
|
|
moxaEmptyTimer_on[ch->port] = 0;
|
| 1202 |
|
|
del_timer(&moxaEmptyTimer[ch->port]);
|
| 1203 |
|
|
if (ch->tty && (ch->statusflags & EMPTYWAIT)) {
|
| 1204 |
|
|
if (MoxaPortTxQueue(ch->port) == 0) {
|
| 1205 |
|
|
ch->statusflags &= ~EMPTYWAIT;
|
| 1206 |
|
|
if ((ch->tty->flags & (1 << TTY_DO_WRITE_WAKEUP)) &&
|
| 1207 |
|
|
ch->tty->ldisc.write_wakeup)
|
| 1208 |
|
|
(ch->tty->ldisc.write_wakeup) (ch->tty);
|
| 1209 |
|
|
wake_up_interruptible(&ch->tty->write_wait);
|
| 1210 |
|
|
return;
|
| 1211 |
|
|
}
|
| 1212 |
|
|
moxaEmptyTimer[ch->port].expires = jiffies + HZ;
|
| 1213 |
|
|
moxaEmptyTimer_on[ch->port] = 1;
|
| 1214 |
|
|
add_timer(&moxaEmptyTimer[ch->port]);
|
| 1215 |
|
|
} else
|
| 1216 |
|
|
ch->statusflags &= ~EMPTYWAIT;
|
| 1217 |
|
|
}
|
| 1218 |
|
|
|
| 1219 |
|
|
static void shut_down(struct moxa_str *ch)
|
| 1220 |
|
|
{
|
| 1221 |
|
|
struct tty_struct *tp;
|
| 1222 |
|
|
|
| 1223 |
|
|
if (!(ch->asyncflags & ASYNC_INITIALIZED))
|
| 1224 |
|
|
return;
|
| 1225 |
|
|
|
| 1226 |
|
|
tp = ch->tty;
|
| 1227 |
|
|
|
| 1228 |
|
|
MoxaPortDisable(ch->port);
|
| 1229 |
|
|
|
| 1230 |
|
|
/*
|
| 1231 |
|
|
* If we're a modem control device and HUPCL is on, drop RTS & DTR.
|
| 1232 |
|
|
*/
|
| 1233 |
|
|
if (tp->termios->c_cflag & HUPCL)
|
| 1234 |
|
|
MoxaPortLineCtrl(ch->port, 0, 0);
|
| 1235 |
|
|
|
| 1236 |
|
|
ch->asyncflags &= ~ASYNC_INITIALIZED;
|
| 1237 |
|
|
}
|
| 1238 |
|
|
|
| 1239 |
|
|
static void receive_data(struct moxa_str *ch)
|
| 1240 |
|
|
{
|
| 1241 |
|
|
struct tty_struct *tp;
|
| 1242 |
|
|
struct termios *ts;
|
| 1243 |
|
|
int i, count, rc, space;
|
| 1244 |
|
|
unsigned char *charptr, *flagptr;
|
| 1245 |
|
|
unsigned long flags;
|
| 1246 |
|
|
|
| 1247 |
|
|
ts = 0;
|
| 1248 |
|
|
tp = ch->tty;
|
| 1249 |
|
|
if (tp)
|
| 1250 |
|
|
ts = tp->termios;
|
| 1251 |
|
|
/**************************************************
|
| 1252 |
|
|
if ( !tp || !ts || !(ts->c_cflag & CREAD) ) {
|
| 1253 |
|
|
*****************************************************/
|
| 1254 |
|
|
if (!tp || !ts) {
|
| 1255 |
|
|
MoxaPortFlushData(ch->port, 0);
|
| 1256 |
|
|
return;
|
| 1257 |
|
|
}
|
| 1258 |
|
|
space = TTY_FLIPBUF_SIZE - tp->flip.count;
|
| 1259 |
|
|
if (space <= 0)
|
| 1260 |
|
|
return;
|
| 1261 |
|
|
charptr = tp->flip.char_buf_ptr;
|
| 1262 |
|
|
flagptr = tp->flip.flag_buf_ptr;
|
| 1263 |
|
|
rc = tp->flip.count;
|
| 1264 |
|
|
save_flags(flags);
|
| 1265 |
|
|
cli();
|
| 1266 |
|
|
count = MoxaPortReadData(ch->port, charptr, space);
|
| 1267 |
|
|
restore_flags(flags);
|
| 1268 |
|
|
for (i = 0; i < count; i++)
|
| 1269 |
|
|
*flagptr++ = 0;
|
| 1270 |
|
|
charptr += count;
|
| 1271 |
|
|
rc += count;
|
| 1272 |
|
|
tp->flip.count = rc;
|
| 1273 |
|
|
tp->flip.char_buf_ptr = charptr;
|
| 1274 |
|
|
tp->flip.flag_buf_ptr = flagptr;
|
| 1275 |
|
|
tty_schedule_flip(ch->tty);
|
| 1276 |
|
|
}
|
| 1277 |
|
|
|
| 1278 |
|
|
#define Magic_code 0x404
|
| 1279 |
|
|
|
| 1280 |
|
|
/*
|
| 1281 |
|
|
* System Configuration
|
| 1282 |
|
|
*/
|
| 1283 |
|
|
/*
|
| 1284 |
|
|
* for C218 BIOS initialization
|
| 1285 |
|
|
*/
|
| 1286 |
|
|
#define C218_ConfBase 0x800
|
| 1287 |
|
|
#define C218_status (C218_ConfBase + 0) /* BIOS running status */
|
| 1288 |
|
|
#define C218_diag (C218_ConfBase + 2) /* diagnostic status */
|
| 1289 |
|
|
#define C218_key (C218_ConfBase + 4) /* WORD (0x218 for C218) */
|
| 1290 |
|
|
#define C218DLoad_len (C218_ConfBase + 6) /* WORD */
|
| 1291 |
|
|
#define C218check_sum (C218_ConfBase + 8) /* BYTE */
|
| 1292 |
|
|
#define C218chksum_ok (C218_ConfBase + 0x0a) /* BYTE (1:ok) */
|
| 1293 |
|
|
#define C218_TestRx (C218_ConfBase + 0x10) /* 8 bytes for 8 ports */
|
| 1294 |
|
|
#define C218_TestTx (C218_ConfBase + 0x18) /* 8 bytes for 8 ports */
|
| 1295 |
|
|
#define C218_RXerr (C218_ConfBase + 0x20) /* 8 bytes for 8 ports */
|
| 1296 |
|
|
#define C218_ErrFlag (C218_ConfBase + 0x28) /* 8 bytes for 8 ports */
|
| 1297 |
|
|
|
| 1298 |
|
|
#define C218_LoadBuf 0x0F00
|
| 1299 |
|
|
#define C218_KeyCode 0x218
|
| 1300 |
|
|
#define CP204J_KeyCode 0x204
|
| 1301 |
|
|
|
| 1302 |
|
|
/*
|
| 1303 |
|
|
* for C320 BIOS initialization
|
| 1304 |
|
|
*/
|
| 1305 |
|
|
#define C320_ConfBase 0x800
|
| 1306 |
|
|
#define C320_LoadBuf 0x0f00
|
| 1307 |
|
|
#define STS_init 0x05 /* for C320_status */
|
| 1308 |
|
|
|
| 1309 |
|
|
#define C320_status C320_ConfBase + 0 /* BIOS running status */
|
| 1310 |
|
|
#define C320_diag C320_ConfBase + 2 /* diagnostic status */
|
| 1311 |
|
|
#define C320_key C320_ConfBase + 4 /* WORD (0320H for C320) */
|
| 1312 |
|
|
#define C320DLoad_len C320_ConfBase + 6 /* WORD */
|
| 1313 |
|
|
#define C320check_sum C320_ConfBase + 8 /* WORD */
|
| 1314 |
|
|
#define C320chksum_ok C320_ConfBase + 0x0a /* WORD (1:ok) */
|
| 1315 |
|
|
#define C320bapi_len C320_ConfBase + 0x0c /* WORD */
|
| 1316 |
|
|
#define C320UART_no C320_ConfBase + 0x0e /* WORD */
|
| 1317 |
|
|
|
| 1318 |
|
|
#define C320_KeyCode 0x320
|
| 1319 |
|
|
|
| 1320 |
|
|
#define FixPage_addr 0x0000 /* starting addr of static page */
|
| 1321 |
|
|
#define DynPage_addr 0x2000 /* starting addr of dynamic page */
|
| 1322 |
|
|
#define C218_start 0x3000 /* starting addr of C218 BIOS prg */
|
| 1323 |
|
|
#define Control_reg 0x1ff0 /* select page and reset control */
|
| 1324 |
|
|
#define HW_reset 0x80
|
| 1325 |
|
|
|
| 1326 |
|
|
/*
|
| 1327 |
|
|
* Function Codes
|
| 1328 |
|
|
*/
|
| 1329 |
|
|
#define FC_CardReset 0x80
|
| 1330 |
|
|
#define FC_ChannelReset 1 /* C320 firmware not supported */
|
| 1331 |
|
|
#define FC_EnableCH 2
|
| 1332 |
|
|
#define FC_DisableCH 3
|
| 1333 |
|
|
#define FC_SetParam 4
|
| 1334 |
|
|
#define FC_SetMode 5
|
| 1335 |
|
|
#define FC_SetRate 6
|
| 1336 |
|
|
#define FC_LineControl 7
|
| 1337 |
|
|
#define FC_LineStatus 8
|
| 1338 |
|
|
#define FC_XmitControl 9
|
| 1339 |
|
|
#define FC_FlushQueue 10
|
| 1340 |
|
|
#define FC_SendBreak 11
|
| 1341 |
|
|
#define FC_StopBreak 12
|
| 1342 |
|
|
#define FC_LoopbackON 13
|
| 1343 |
|
|
#define FC_LoopbackOFF 14
|
| 1344 |
|
|
#define FC_ClrIrqTable 15
|
| 1345 |
|
|
#define FC_SendXon 16
|
| 1346 |
|
|
#define FC_SetTermIrq 17 /* C320 firmware not supported */
|
| 1347 |
|
|
#define FC_SetCntIrq 18 /* C320 firmware not supported */
|
| 1348 |
|
|
#define FC_SetBreakIrq 19
|
| 1349 |
|
|
#define FC_SetLineIrq 20
|
| 1350 |
|
|
#define FC_SetFlowCtl 21
|
| 1351 |
|
|
#define FC_GenIrq 22
|
| 1352 |
|
|
#define FC_InCD180 23
|
| 1353 |
|
|
#define FC_OutCD180 24
|
| 1354 |
|
|
#define FC_InUARTreg 23
|
| 1355 |
|
|
#define FC_OutUARTreg 24
|
| 1356 |
|
|
#define FC_SetXonXoff 25
|
| 1357 |
|
|
#define FC_OutCD180CCR 26
|
| 1358 |
|
|
#define FC_ExtIQueue 27
|
| 1359 |
|
|
#define FC_ExtOQueue 28
|
| 1360 |
|
|
#define FC_ClrLineIrq 29
|
| 1361 |
|
|
#define FC_HWFlowCtl 30
|
| 1362 |
|
|
#define FC_GetClockRate 35
|
| 1363 |
|
|
#define FC_SetBaud 36
|
| 1364 |
|
|
#define FC_SetDataMode 41
|
| 1365 |
|
|
#define FC_GetCCSR 43
|
| 1366 |
|
|
#define FC_GetDataError 45
|
| 1367 |
|
|
#define FC_RxControl 50
|
| 1368 |
|
|
#define FC_ImmSend 51
|
| 1369 |
|
|
#define FC_SetXonState 52
|
| 1370 |
|
|
#define FC_SetXoffState 53
|
| 1371 |
|
|
#define FC_SetRxFIFOTrig 54
|
| 1372 |
|
|
#define FC_SetTxFIFOCnt 55
|
| 1373 |
|
|
#define FC_UnixRate 56
|
| 1374 |
|
|
#define FC_UnixResetTimer 57
|
| 1375 |
|
|
|
| 1376 |
|
|
#define RxFIFOTrig1 0
|
| 1377 |
|
|
#define RxFIFOTrig4 1
|
| 1378 |
|
|
#define RxFIFOTrig8 2
|
| 1379 |
|
|
#define RxFIFOTrig14 3
|
| 1380 |
|
|
|
| 1381 |
|
|
/*
|
| 1382 |
|
|
* Dual-Ported RAM
|
| 1383 |
|
|
*/
|
| 1384 |
|
|
#define DRAM_global 0
|
| 1385 |
|
|
#define INT_data (DRAM_global + 0)
|
| 1386 |
|
|
#define Config_base (DRAM_global + 0x108)
|
| 1387 |
|
|
|
| 1388 |
|
|
#define IRQindex (INT_data + 0)
|
| 1389 |
|
|
#define IRQpending (INT_data + 4)
|
| 1390 |
|
|
#define IRQtable (INT_data + 8)
|
| 1391 |
|
|
|
| 1392 |
|
|
/*
|
| 1393 |
|
|
* Interrupt Status
|
| 1394 |
|
|
*/
|
| 1395 |
|
|
#define IntrRx 0x01 /* receiver data O.K. */
|
| 1396 |
|
|
#define IntrTx 0x02 /* transmit buffer empty */
|
| 1397 |
|
|
#define IntrFunc 0x04 /* function complete */
|
| 1398 |
|
|
#define IntrBreak 0x08 /* received break */
|
| 1399 |
|
|
#define IntrLine 0x10 /* line status change
|
| 1400 |
|
|
for transmitter */
|
| 1401 |
|
|
#define IntrIntr 0x20 /* received INTR code */
|
| 1402 |
|
|
#define IntrQuit 0x40 /* received QUIT code */
|
| 1403 |
|
|
#define IntrEOF 0x80 /* received EOF code */
|
| 1404 |
|
|
|
| 1405 |
|
|
#define IntrRxTrigger 0x100 /* rx data count reach tigger value */
|
| 1406 |
|
|
#define IntrTxTrigger 0x200 /* tx data count below trigger value */
|
| 1407 |
|
|
|
| 1408 |
|
|
#define Magic_no (Config_base + 0)
|
| 1409 |
|
|
#define Card_model_no (Config_base + 2)
|
| 1410 |
|
|
#define Total_ports (Config_base + 4)
|
| 1411 |
|
|
#define Module_cnt (Config_base + 8)
|
| 1412 |
|
|
#define Module_no (Config_base + 10)
|
| 1413 |
|
|
#define Timer_10ms (Config_base + 14)
|
| 1414 |
|
|
#define Disable_IRQ (Config_base + 20)
|
| 1415 |
|
|
#define TMS320_PORT1 (Config_base + 22)
|
| 1416 |
|
|
#define TMS320_PORT2 (Config_base + 24)
|
| 1417 |
|
|
#define TMS320_CLOCK (Config_base + 26)
|
| 1418 |
|
|
|
| 1419 |
|
|
/*
|
| 1420 |
|
|
* DATA BUFFER in DRAM
|
| 1421 |
|
|
*/
|
| 1422 |
|
|
#define Extern_table 0x400 /* Base address of the external table
|
| 1423 |
|
|
(24 words * 64) total 3K bytes
|
| 1424 |
|
|
(24 words * 128) total 6K bytes */
|
| 1425 |
|
|
#define Extern_size 0x60 /* 96 bytes */
|
| 1426 |
|
|
#define RXrptr 0x00 /* read pointer for RX buffer */
|
| 1427 |
|
|
#define RXwptr 0x02 /* write pointer for RX buffer */
|
| 1428 |
|
|
#define TXrptr 0x04 /* read pointer for TX buffer */
|
| 1429 |
|
|
#define TXwptr 0x06 /* write pointer for TX buffer */
|
| 1430 |
|
|
#define HostStat 0x08 /* IRQ flag and general flag */
|
| 1431 |
|
|
#define FlagStat 0x0A
|
| 1432 |
|
|
#define FlowControl 0x0C /* B7 B6 B5 B4 B3 B2 B1 B0 */
|
| 1433 |
|
|
/* x x x x | | | | */
|
| 1434 |
|
|
/* | | | + CTS flow */
|
| 1435 |
|
|
/* | | +--- RTS flow */
|
| 1436 |
|
|
/* | +------ TX Xon/Xoff */
|
| 1437 |
|
|
/* +--------- RX Xon/Xoff */
|
| 1438 |
|
|
#define Break_cnt 0x0E /* received break count */
|
| 1439 |
|
|
#define CD180TXirq 0x10 /* if non-0: enable TX irq */
|
| 1440 |
|
|
#define RX_mask 0x12
|
| 1441 |
|
|
#define TX_mask 0x14
|
| 1442 |
|
|
#define Ofs_rxb 0x16
|
| 1443 |
|
|
#define Ofs_txb 0x18
|
| 1444 |
|
|
#define Page_rxb 0x1A
|
| 1445 |
|
|
#define Page_txb 0x1C
|
| 1446 |
|
|
#define EndPage_rxb 0x1E
|
| 1447 |
|
|
#define EndPage_txb 0x20
|
| 1448 |
|
|
#define Data_error 0x22
|
| 1449 |
|
|
#define RxTrigger 0x28
|
| 1450 |
|
|
#define TxTrigger 0x2a
|
| 1451 |
|
|
|
| 1452 |
|
|
#define rRXwptr 0x34
|
| 1453 |
|
|
#define Low_water 0x36
|
| 1454 |
|
|
|
| 1455 |
|
|
#define FuncCode 0x40
|
| 1456 |
|
|
#define FuncArg 0x42
|
| 1457 |
|
|
#define FuncArg1 0x44
|
| 1458 |
|
|
|
| 1459 |
|
|
#define C218rx_size 0x2000 /* 8K bytes */
|
| 1460 |
|
|
#define C218tx_size 0x8000 /* 32K bytes */
|
| 1461 |
|
|
|
| 1462 |
|
|
#define C218rx_mask (C218rx_size - 1)
|
| 1463 |
|
|
#define C218tx_mask (C218tx_size - 1)
|
| 1464 |
|
|
|
| 1465 |
|
|
#define C320p8rx_size 0x2000
|
| 1466 |
|
|
#define C320p8tx_size 0x8000
|
| 1467 |
|
|
#define C320p8rx_mask (C320p8rx_size - 1)
|
| 1468 |
|
|
#define C320p8tx_mask (C320p8tx_size - 1)
|
| 1469 |
|
|
|
| 1470 |
|
|
#define C320p16rx_size 0x2000
|
| 1471 |
|
|
#define C320p16tx_size 0x4000
|
| 1472 |
|
|
#define C320p16rx_mask (C320p16rx_size - 1)
|
| 1473 |
|
|
#define C320p16tx_mask (C320p16tx_size - 1)
|
| 1474 |
|
|
|
| 1475 |
|
|
#define C320p24rx_size 0x2000
|
| 1476 |
|
|
#define C320p24tx_size 0x2000
|
| 1477 |
|
|
#define C320p24rx_mask (C320p24rx_size - 1)
|
| 1478 |
|
|
#define C320p24tx_mask (C320p24tx_size - 1)
|
| 1479 |
|
|
|
| 1480 |
|
|
#define C320p32rx_size 0x1000
|
| 1481 |
|
|
#define C320p32tx_size 0x1000
|
| 1482 |
|
|
#define C320p32rx_mask (C320p32rx_size - 1)
|
| 1483 |
|
|
#define C320p32tx_mask (C320p32tx_size - 1)
|
| 1484 |
|
|
|
| 1485 |
|
|
#define Page_size 0x2000
|
| 1486 |
|
|
#define Page_mask (Page_size - 1)
|
| 1487 |
|
|
#define C218rx_spage 3
|
| 1488 |
|
|
#define C218tx_spage 4
|
| 1489 |
|
|
#define C218rx_pageno 1
|
| 1490 |
|
|
#define C218tx_pageno 4
|
| 1491 |
|
|
#define C218buf_pageno 5
|
| 1492 |
|
|
|
| 1493 |
|
|
#define C320p8rx_spage 3
|
| 1494 |
|
|
#define C320p8tx_spage 4
|
| 1495 |
|
|
#define C320p8rx_pgno 1
|
| 1496 |
|
|
#define C320p8tx_pgno 4
|
| 1497 |
|
|
#define C320p8buf_pgno 5
|
| 1498 |
|
|
|
| 1499 |
|
|
#define C320p16rx_spage 3
|
| 1500 |
|
|
#define C320p16tx_spage 4
|
| 1501 |
|
|
#define C320p16rx_pgno 1
|
| 1502 |
|
|
#define C320p16tx_pgno 2
|
| 1503 |
|
|
#define C320p16buf_pgno 3
|
| 1504 |
|
|
|
| 1505 |
|
|
#define C320p24rx_spage 3
|
| 1506 |
|
|
#define C320p24tx_spage 4
|
| 1507 |
|
|
#define C320p24rx_pgno 1
|
| 1508 |
|
|
#define C320p24tx_pgno 1
|
| 1509 |
|
|
#define C320p24buf_pgno 2
|
| 1510 |
|
|
|
| 1511 |
|
|
#define C320p32rx_spage 3
|
| 1512 |
|
|
#define C320p32tx_ofs C320p32rx_size
|
| 1513 |
|
|
#define C320p32tx_spage 3
|
| 1514 |
|
|
#define C320p32buf_pgno 1
|
| 1515 |
|
|
|
| 1516 |
|
|
/*
|
| 1517 |
|
|
* Host Status
|
| 1518 |
|
|
*/
|
| 1519 |
|
|
#define WakeupRx 0x01
|
| 1520 |
|
|
#define WakeupTx 0x02
|
| 1521 |
|
|
#define WakeupBreak 0x08
|
| 1522 |
|
|
#define WakeupLine 0x10
|
| 1523 |
|
|
#define WakeupIntr 0x20
|
| 1524 |
|
|
#define WakeupQuit 0x40
|
| 1525 |
|
|
#define WakeupEOF 0x80 /* used in VTIME control */
|
| 1526 |
|
|
#define WakeupRxTrigger 0x100
|
| 1527 |
|
|
#define WakeupTxTrigger 0x200
|
| 1528 |
|
|
/*
|
| 1529 |
|
|
* Flag status
|
| 1530 |
|
|
*/
|
| 1531 |
|
|
#define Rx_over 0x01
|
| 1532 |
|
|
#define Xoff_state 0x02
|
| 1533 |
|
|
#define Tx_flowOff 0x04
|
| 1534 |
|
|
#define Tx_enable 0x08
|
| 1535 |
|
|
#define CTS_state 0x10
|
| 1536 |
|
|
#define DSR_state 0x20
|
| 1537 |
|
|
#define DCD_state 0x80
|
| 1538 |
|
|
/*
|
| 1539 |
|
|
* FlowControl
|
| 1540 |
|
|
*/
|
| 1541 |
|
|
#define CTS_FlowCtl 1
|
| 1542 |
|
|
#define RTS_FlowCtl 2
|
| 1543 |
|
|
#define Tx_FlowCtl 4
|
| 1544 |
|
|
#define Rx_FlowCtl 8
|
| 1545 |
|
|
#define IXM_IXANY 0x10
|
| 1546 |
|
|
|
| 1547 |
|
|
#define LowWater 128
|
| 1548 |
|
|
|
| 1549 |
|
|
#define DTR_ON 1
|
| 1550 |
|
|
#define RTS_ON 2
|
| 1551 |
|
|
#define CTS_ON 1
|
| 1552 |
|
|
#define DSR_ON 2
|
| 1553 |
|
|
#define DCD_ON 8
|
| 1554 |
|
|
|
| 1555 |
|
|
/* mode definition */
|
| 1556 |
|
|
#define MX_CS8 0x03
|
| 1557 |
|
|
#define MX_CS7 0x02
|
| 1558 |
|
|
#define MX_CS6 0x01
|
| 1559 |
|
|
#define MX_CS5 0x00
|
| 1560 |
|
|
|
| 1561 |
|
|
#define MX_STOP1 0x00
|
| 1562 |
|
|
#define MX_STOP15 0x04
|
| 1563 |
|
|
#define MX_STOP2 0x08
|
| 1564 |
|
|
|
| 1565 |
|
|
#define MX_PARNONE 0x00
|
| 1566 |
|
|
#define MX_PAREVEN 0x40
|
| 1567 |
|
|
#define MX_PARODD 0xC0
|
| 1568 |
|
|
|
| 1569 |
|
|
/*
|
| 1570 |
|
|
* Query
|
| 1571 |
|
|
*/
|
| 1572 |
|
|
#define QueryPort MAX_PORTS
|
| 1573 |
|
|
|
| 1574 |
|
|
|
| 1575 |
|
|
|
| 1576 |
|
|
struct mon_str {
|
| 1577 |
|
|
int tick;
|
| 1578 |
|
|
int rxcnt[MAX_PORTS];
|
| 1579 |
|
|
int txcnt[MAX_PORTS];
|
| 1580 |
|
|
};
|
| 1581 |
|
|
typedef struct mon_str mon_st;
|
| 1582 |
|
|
|
| 1583 |
|
|
#define DCD_changed 0x01
|
| 1584 |
|
|
#define DCD_oldstate 0x80
|
| 1585 |
|
|
|
| 1586 |
|
|
static unsigned char moxaBuff[10240];
|
| 1587 |
|
|
static unsigned long moxaIntNdx[MAX_BOARDS];
|
| 1588 |
|
|
static unsigned long moxaIntPend[MAX_BOARDS];
|
| 1589 |
|
|
static unsigned long moxaIntTable[MAX_BOARDS];
|
| 1590 |
|
|
static char moxaChkPort[MAX_PORTS];
|
| 1591 |
|
|
static char moxaLineCtrl[MAX_PORTS];
|
| 1592 |
|
|
static unsigned long moxaTableAddr[MAX_PORTS];
|
| 1593 |
|
|
static long moxaCurBaud[MAX_PORTS];
|
| 1594 |
|
|
static char moxaDCDState[MAX_PORTS];
|
| 1595 |
|
|
static char moxaLowChkFlag[MAX_PORTS];
|
| 1596 |
|
|
static int moxaLowWaterChk;
|
| 1597 |
|
|
static int moxaCard;
|
| 1598 |
|
|
static mon_st moxaLog;
|
| 1599 |
|
|
static int moxaFuncTout;
|
| 1600 |
|
|
static ushort moxaBreakCnt[MAX_PORTS];
|
| 1601 |
|
|
|
| 1602 |
|
|
static void moxadelay(int);
|
| 1603 |
|
|
static void moxafunc(unsigned long, int, ushort);
|
| 1604 |
|
|
static void wait_finish(unsigned long);
|
| 1605 |
|
|
static void low_water_check(unsigned long);
|
| 1606 |
|
|
static int moxaloadbios(int, unsigned char *, int);
|
| 1607 |
|
|
static int moxafindcard(int);
|
| 1608 |
|
|
static int moxaload320b(int, unsigned char *, int);
|
| 1609 |
|
|
static int moxaloadcode(int, unsigned char *, int);
|
| 1610 |
|
|
static int moxaloadc218(int, unsigned long, int);
|
| 1611 |
|
|
static int moxaloadc320(int, unsigned long, int, int *);
|
| 1612 |
|
|
|
| 1613 |
|
|
/*****************************************************************************
|
| 1614 |
|
|
* Driver level functions: *
|
| 1615 |
|
|
* 1. MoxaDriverInit(void); *
|
| 1616 |
|
|
* 2. MoxaDriverIoctl(unsigned int cmd, unsigned long arg, int port); *
|
| 1617 |
|
|
* 3. MoxaDriverPoll(void); *
|
| 1618 |
|
|
*****************************************************************************/
|
| 1619 |
|
|
void MoxaDriverInit(void)
|
| 1620 |
|
|
{
|
| 1621 |
|
|
int i;
|
| 1622 |
|
|
|
| 1623 |
|
|
moxaFuncTout = HZ / 2; /* 500 mini-seconds */
|
| 1624 |
|
|
moxaCard = 0;
|
| 1625 |
|
|
moxaLog.tick = 0;
|
| 1626 |
|
|
moxaLowWaterChk = 0;
|
| 1627 |
|
|
for (i = 0; i < MAX_PORTS; i++) {
|
| 1628 |
|
|
moxaChkPort[i] = 0;
|
| 1629 |
|
|
moxaLowChkFlag[i] = 0;
|
| 1630 |
|
|
moxaLineCtrl[i] = 0;
|
| 1631 |
|
|
moxaLog.rxcnt[i] = 0;
|
| 1632 |
|
|
moxaLog.txcnt[i] = 0;
|
| 1633 |
|
|
}
|
| 1634 |
|
|
}
|
| 1635 |
|
|
|
| 1636 |
|
|
#define MOXA 0x400
|
| 1637 |
|
|
#define MOXA_GET_IQUEUE (MOXA + 1) /* get input buffered count */
|
| 1638 |
|
|
#define MOXA_GET_OQUEUE (MOXA + 2) /* get output buffered count */
|
| 1639 |
|
|
#define MOXA_INIT_DRIVER (MOXA + 6) /* moxaCard=0 */
|
| 1640 |
|
|
#define MOXA_LOAD_BIOS (MOXA + 9) /* download BIOS */
|
| 1641 |
|
|
#define MOXA_FIND_BOARD (MOXA + 10) /* Check if MOXA card exist? */
|
| 1642 |
|
|
#define MOXA_LOAD_C320B (MOXA + 11) /* download 320B firmware */
|
| 1643 |
|
|
#define MOXA_LOAD_CODE (MOXA + 12) /* download firmware */
|
| 1644 |
|
|
#define MOXA_GETDATACOUNT (MOXA + 23)
|
| 1645 |
|
|
#define MOXA_GET_IOQUEUE (MOXA + 27)
|
| 1646 |
|
|
#define MOXA_FLUSH_QUEUE (MOXA + 28)
|
| 1647 |
|
|
#define MOXA_GET_CONF (MOXA + 35) /* configuration */
|
| 1648 |
|
|
#define MOXA_GET_MAJOR (MOXA + 63)
|
| 1649 |
|
|
#define MOXA_GET_CUMAJOR (MOXA + 64)
|
| 1650 |
|
|
#define MOXA_GETMSTATUS (MOXA + 65)
|
| 1651 |
|
|
|
| 1652 |
|
|
|
| 1653 |
|
|
struct moxaq_str {
|
| 1654 |
|
|
int inq;
|
| 1655 |
|
|
int outq;
|
| 1656 |
|
|
};
|
| 1657 |
|
|
|
| 1658 |
|
|
struct dl_str {
|
| 1659 |
|
|
char *buf;
|
| 1660 |
|
|
int len;
|
| 1661 |
|
|
int cardno;
|
| 1662 |
|
|
};
|
| 1663 |
|
|
|
| 1664 |
|
|
static struct moxaq_str temp_queue[MAX_PORTS];
|
| 1665 |
|
|
static struct dl_str dltmp;
|
| 1666 |
|
|
|
| 1667 |
|
|
void MoxaPortFlushData(int port, int mode)
|
| 1668 |
|
|
{
|
| 1669 |
|
|
unsigned long ofsAddr;
|
| 1670 |
|
|
if ((mode < 0) || (mode > 2))
|
| 1671 |
|
|
return;
|
| 1672 |
|
|
ofsAddr = moxaTableAddr[port];
|
| 1673 |
|
|
moxafunc(ofsAddr, FC_FlushQueue, mode);
|
| 1674 |
|
|
if (mode != 1) {
|
| 1675 |
|
|
moxaLowChkFlag[port] = 0;
|
| 1676 |
|
|
low_water_check(ofsAddr);
|
| 1677 |
|
|
}
|
| 1678 |
|
|
}
|
| 1679 |
|
|
|
| 1680 |
|
|
int MoxaDriverIoctl(unsigned int cmd, unsigned long arg, int port)
|
| 1681 |
|
|
{
|
| 1682 |
|
|
int i;
|
| 1683 |
|
|
int status;
|
| 1684 |
|
|
int MoxaPortTxQueue(int), MoxaPortRxQueue(int);
|
| 1685 |
|
|
|
| 1686 |
|
|
if (port == QueryPort) {
|
| 1687 |
|
|
if ((cmd != MOXA_GET_CONF) && (cmd != MOXA_INIT_DRIVER) &&
|
| 1688 |
|
|
(cmd != MOXA_LOAD_BIOS) && (cmd != MOXA_FIND_BOARD) && (cmd != MOXA_LOAD_C320B) &&
|
| 1689 |
|
|
(cmd != MOXA_LOAD_CODE) && (cmd != MOXA_GETDATACOUNT) &&
|
| 1690 |
|
|
(cmd != MOXA_GET_IOQUEUE) && (cmd != MOXA_GET_MAJOR) &&
|
| 1691 |
|
|
(cmd != MOXA_GET_CUMAJOR) && (cmd != MOXA_GETMSTATUS))
|
| 1692 |
|
|
return (-EINVAL);
|
| 1693 |
|
|
}
|
| 1694 |
|
|
switch (cmd) {
|
| 1695 |
|
|
case MOXA_GET_CONF:
|
| 1696 |
|
|
if(copy_to_user((void *)arg, &moxa_boards, MAX_BOARDS * sizeof(moxa_board_conf)))
|
| 1697 |
|
|
return -EFAULT;
|
| 1698 |
|
|
return (0);
|
| 1699 |
|
|
case MOXA_INIT_DRIVER:
|
| 1700 |
|
|
if ((int) arg == 0x404)
|
| 1701 |
|
|
MoxaDriverInit();
|
| 1702 |
|
|
return (0);
|
| 1703 |
|
|
case MOXA_GETDATACOUNT:
|
| 1704 |
|
|
moxaLog.tick = jiffies;
|
| 1705 |
|
|
if(copy_to_user((void *)arg, &moxaLog, sizeof(mon_st)))
|
| 1706 |
|
|
return -EFAULT;
|
| 1707 |
|
|
return (0);
|
| 1708 |
|
|
case MOXA_FLUSH_QUEUE:
|
| 1709 |
|
|
MoxaPortFlushData(port, arg);
|
| 1710 |
|
|
return (0);
|
| 1711 |
|
|
case MOXA_GET_IOQUEUE:
|
| 1712 |
|
|
for (i = 0; i < MAX_PORTS; i++) {
|
| 1713 |
|
|
if (moxaChkPort[i]) {
|
| 1714 |
|
|
temp_queue[i].inq = MoxaPortRxQueue(i);
|
| 1715 |
|
|
temp_queue[i].outq = MoxaPortTxQueue(i);
|
| 1716 |
|
|
}
|
| 1717 |
|
|
}
|
| 1718 |
|
|
if(copy_to_user((void *)arg, temp_queue, sizeof(struct moxaq_str) * MAX_PORTS))
|
| 1719 |
|
|
return -EFAULT;
|
| 1720 |
|
|
return (0);
|
| 1721 |
|
|
case MOXA_GET_OQUEUE:
|
| 1722 |
|
|
i = MoxaPortTxQueue(port);
|
| 1723 |
|
|
return put_user(i, (unsigned long *) arg);
|
| 1724 |
|
|
case MOXA_GET_IQUEUE:
|
| 1725 |
|
|
i = MoxaPortRxQueue(port);
|
| 1726 |
|
|
return put_user(i, (unsigned long *) arg);
|
| 1727 |
|
|
case MOXA_GET_MAJOR:
|
| 1728 |
|
|
if(copy_to_user((void *)arg, &ttymajor, sizeof(int)))
|
| 1729 |
|
|
return -EFAULT;
|
| 1730 |
|
|
return 0;
|
| 1731 |
|
|
case MOXA_GET_CUMAJOR:
|
| 1732 |
|
|
if(copy_to_user((void *)arg, &calloutmajor, sizeof(int)))
|
| 1733 |
|
|
return -EFAULT;
|
| 1734 |
|
|
return 0;
|
| 1735 |
|
|
case MOXA_GETMSTATUS:
|
| 1736 |
|
|
for (i = 0; i < MAX_PORTS; i++) {
|
| 1737 |
|
|
GMStatus[i].ri = 0;
|
| 1738 |
|
|
GMStatus[i].dcd = 0;
|
| 1739 |
|
|
GMStatus[i].dsr = 0;
|
| 1740 |
|
|
GMStatus[i].cts = 0;
|
| 1741 |
|
|
if (!moxaChkPort[i]) {
|
| 1742 |
|
|
continue;
|
| 1743 |
|
|
} else {
|
| 1744 |
|
|
status = MoxaPortLineStatus(moxaChannels[i].port);
|
| 1745 |
|
|
if (status & 1)
|
| 1746 |
|
|
GMStatus[i].cts = 1;
|
| 1747 |
|
|
if (status & 2)
|
| 1748 |
|
|
GMStatus[i].dsr = 1;
|
| 1749 |
|
|
if (status & 4)
|
| 1750 |
|
|
GMStatus[i].dcd = 1;
|
| 1751 |
|
|
}
|
| 1752 |
|
|
|
| 1753 |
|
|
if (!moxaChannels[i].tty || !moxaChannels[i].tty->termios)
|
| 1754 |
|
|
GMStatus[i].cflag = moxaChannels[i].normal_termios.c_cflag;
|
| 1755 |
|
|
else
|
| 1756 |
|
|
GMStatus[i].cflag = moxaChannels[i].tty->termios->c_cflag;
|
| 1757 |
|
|
}
|
| 1758 |
|
|
if(copy_to_user((void *)arg, GMStatus, sizeof(struct mxser_mstatus) * MAX_PORTS))
|
| 1759 |
|
|
return -EFAULT;
|
| 1760 |
|
|
return 0;
|
| 1761 |
|
|
default:
|
| 1762 |
|
|
return (-ENOIOCTLCMD);
|
| 1763 |
|
|
case MOXA_LOAD_BIOS:
|
| 1764 |
|
|
case MOXA_FIND_BOARD:
|
| 1765 |
|
|
case MOXA_LOAD_C320B:
|
| 1766 |
|
|
case MOXA_LOAD_CODE:
|
| 1767 |
|
|
break;
|
| 1768 |
|
|
}
|
| 1769 |
|
|
|
| 1770 |
|
|
if(copy_from_user(&dltmp, (void *)arg, sizeof(struct dl_str)))
|
| 1771 |
|
|
return -EFAULT;
|
| 1772 |
|
|
if(dltmp.cardno < 0 || dltmp.cardno >= MAX_BOARDS)
|
| 1773 |
|
|
return -EINVAL;
|
| 1774 |
|
|
|
| 1775 |
|
|
switch(cmd)
|
| 1776 |
|
|
{
|
| 1777 |
|
|
case MOXA_LOAD_BIOS:
|
| 1778 |
|
|
i = moxaloadbios(dltmp.cardno, dltmp.buf, dltmp.len);
|
| 1779 |
|
|
return (i);
|
| 1780 |
|
|
case MOXA_FIND_BOARD:
|
| 1781 |
|
|
return moxafindcard(dltmp.cardno);
|
| 1782 |
|
|
case MOXA_LOAD_C320B:
|
| 1783 |
|
|
moxaload320b(dltmp.cardno, dltmp.buf, dltmp.len);
|
| 1784 |
|
|
default: /* to keep gcc happy */
|
| 1785 |
|
|
return (0);
|
| 1786 |
|
|
case MOXA_LOAD_CODE:
|
| 1787 |
|
|
i = moxaloadcode(dltmp.cardno, dltmp.buf, dltmp.len);
|
| 1788 |
|
|
if (i == -1)
|
| 1789 |
|
|
return (-EFAULT);
|
| 1790 |
|
|
return (i);
|
| 1791 |
|
|
|
| 1792 |
|
|
}
|
| 1793 |
|
|
}
|
| 1794 |
|
|
|
| 1795 |
|
|
int MoxaDriverPoll(void)
|
| 1796 |
|
|
{
|
| 1797 |
|
|
register ushort temp;
|
| 1798 |
|
|
register int card;
|
| 1799 |
|
|
unsigned long ip, ofsAddr;
|
| 1800 |
|
|
int port, p, ports;
|
| 1801 |
|
|
|
| 1802 |
|
|
if (moxaCard == 0)
|
| 1803 |
|
|
return (-1);
|
| 1804 |
|
|
for (card = 0; card < MAX_BOARDS; card++) {
|
| 1805 |
|
|
if ((ports = moxa_boards[card].numPorts) == 0)
|
| 1806 |
|
|
continue;
|
| 1807 |
|
|
if (readb(moxaIntPend[card]) == 0xff) {
|
| 1808 |
|
|
ip = moxaIntTable[card] + readb(moxaIntNdx[card]);
|
| 1809 |
|
|
p = card * MAX_PORTS_PER_BOARD;
|
| 1810 |
|
|
ports <<= 1;
|
| 1811 |
|
|
for (port = 0; port < ports; port += 2, p++) {
|
| 1812 |
|
|
if ((temp = readw(ip + port)) != 0) {
|
| 1813 |
|
|
writew(0, ip + port);
|
| 1814 |
|
|
ofsAddr = moxaTableAddr[p];
|
| 1815 |
|
|
if (temp & IntrTx)
|
| 1816 |
|
|
writew(readw(ofsAddr + HostStat) & ~WakeupTx, ofsAddr + HostStat);
|
| 1817 |
|
|
if (temp & IntrBreak) {
|
| 1818 |
|
|
moxaBreakCnt[p]++;
|
| 1819 |
|
|
}
|
| 1820 |
|
|
if (temp & IntrLine) {
|
| 1821 |
|
|
if (readb(ofsAddr + FlagStat) & DCD_state) {
|
| 1822 |
|
|
if ((moxaDCDState[p] & DCD_oldstate) == 0)
|
| 1823 |
|
|
moxaDCDState[p] = (DCD_oldstate |
|
| 1824 |
|
|
DCD_changed);
|
| 1825 |
|
|
} else {
|
| 1826 |
|
|
if (moxaDCDState[p] & DCD_oldstate)
|
| 1827 |
|
|
moxaDCDState[p] = DCD_changed;
|
| 1828 |
|
|
}
|
| 1829 |
|
|
}
|
| 1830 |
|
|
}
|
| 1831 |
|
|
}
|
| 1832 |
|
|
writeb(0, moxaIntPend[card]);
|
| 1833 |
|
|
}
|
| 1834 |
|
|
if (moxaLowWaterChk) {
|
| 1835 |
|
|
p = card * MAX_PORTS_PER_BOARD;
|
| 1836 |
|
|
for (port = 0; port < ports; port++, p++) {
|
| 1837 |
|
|
if (moxaLowChkFlag[p]) {
|
| 1838 |
|
|
moxaLowChkFlag[p] = 0;
|
| 1839 |
|
|
ofsAddr = moxaTableAddr[p];
|
| 1840 |
|
|
low_water_check(ofsAddr);
|
| 1841 |
|
|
}
|
| 1842 |
|
|
}
|
| 1843 |
|
|
}
|
| 1844 |
|
|
}
|
| 1845 |
|
|
moxaLowWaterChk = 0;
|
| 1846 |
|
|
return (0);
|
| 1847 |
|
|
}
|
| 1848 |
|
|
|
| 1849 |
|
|
/*****************************************************************************
|
| 1850 |
|
|
* Card level function: *
|
| 1851 |
|
|
* 1. MoxaPortsOfCard(int cardno); *
|
| 1852 |
|
|
*****************************************************************************/
|
| 1853 |
|
|
int MoxaPortsOfCard(int cardno)
|
| 1854 |
|
|
{
|
| 1855 |
|
|
|
| 1856 |
|
|
if (moxa_boards[cardno].boardType == 0)
|
| 1857 |
|
|
return (0);
|
| 1858 |
|
|
return (moxa_boards[cardno].numPorts);
|
| 1859 |
|
|
}
|
| 1860 |
|
|
|
| 1861 |
|
|
/*****************************************************************************
|
| 1862 |
|
|
* Port level functions: *
|
| 1863 |
|
|
* 1. MoxaPortIsValid(int port); *
|
| 1864 |
|
|
* 2. MoxaPortEnable(int port); *
|
| 1865 |
|
|
* 3. MoxaPortDisable(int port); *
|
| 1866 |
|
|
* 4. MoxaPortGetMaxBaud(int port); *
|
| 1867 |
|
|
* 5. MoxaPortGetCurBaud(int port); *
|
| 1868 |
|
|
* 6. MoxaPortSetBaud(int port, long baud); *
|
| 1869 |
|
|
* 7. MoxaPortSetMode(int port, int databit, int stopbit, int parity); *
|
| 1870 |
|
|
* 8. MoxaPortSetTermio(int port, unsigned char *termio); *
|
| 1871 |
|
|
* 9. MoxaPortGetLineOut(int port, int *dtrState, int *rtsState); *
|
| 1872 |
|
|
* 10. MoxaPortLineCtrl(int port, int dtrState, int rtsState); *
|
| 1873 |
|
|
* 11. MoxaPortFlowCtrl(int port, int rts, int cts, int rx, int tx,int xany); *
|
| 1874 |
|
|
* 12. MoxaPortLineStatus(int port); *
|
| 1875 |
|
|
* 13. MoxaPortDCDChange(int port); *
|
| 1876 |
|
|
* 14. MoxaPortDCDON(int port); *
|
| 1877 |
|
|
* 15. MoxaPortFlushData(int port, int mode); *
|
| 1878 |
|
|
* 16. MoxaPortWriteData(int port, unsigned char * buffer, int length); *
|
| 1879 |
|
|
* 17. MoxaPortReadData(int port, unsigned char * buffer, int length); *
|
| 1880 |
|
|
* 18. MoxaPortTxBufSize(int port); *
|
| 1881 |
|
|
* 19. MoxaPortRxBufSize(int port); *
|
| 1882 |
|
|
* 20. MoxaPortTxQueue(int port); *
|
| 1883 |
|
|
* 21. MoxaPortTxFree(int port); *
|
| 1884 |
|
|
* 22. MoxaPortRxQueue(int port); *
|
| 1885 |
|
|
* 23. MoxaPortRxFree(int port); *
|
| 1886 |
|
|
* 24. MoxaPortTxDisable(int port); *
|
| 1887 |
|
|
* 25. MoxaPortTxEnable(int port); *
|
| 1888 |
|
|
* 26. MoxaPortGetBrkCnt(int port); *
|
| 1889 |
|
|
* 27. MoxaPortResetBrkCnt(int port); *
|
| 1890 |
|
|
* 28. MoxaPortSetXonXoff(int port, int xonValue, int xoffValue); *
|
| 1891 |
|
|
* 29. MoxaPortIsTxHold(int port); *
|
| 1892 |
|
|
* 30. MoxaPortSendBreak(int port, int ticks); *
|
| 1893 |
|
|
*****************************************************************************/
|
| 1894 |
|
|
/*
|
| 1895 |
|
|
* Moxa Port Number Description:
|
| 1896 |
|
|
*
|
| 1897 |
|
|
* MOXA serial driver supports up to 4 MOXA-C218/C320 boards. And,
|
| 1898 |
|
|
* the port number using in MOXA driver functions will be 0 to 31 for
|
| 1899 |
|
|
* first MOXA board, 32 to 63 for second, 64 to 95 for third and 96
|
| 1900 |
|
|
* to 127 for fourth. For example, if you setup three MOXA boards,
|
| 1901 |
|
|
* first board is C218, second board is C320-16 and third board is
|
| 1902 |
|
|
* C320-32. The port number of first board (C218 - 8 ports) is from
|
| 1903 |
|
|
* 0 to 7. The port number of second board (C320 - 16 ports) is form
|
| 1904 |
|
|
* 32 to 47. The port number of third board (C320 - 32 ports) is from
|
| 1905 |
|
|
* 64 to 95. And those port numbers form 8 to 31, 48 to 63 and 96 to
|
| 1906 |
|
|
* 127 will be invalid.
|
| 1907 |
|
|
*
|
| 1908 |
|
|
*
|
| 1909 |
|
|
* Moxa Functions Description:
|
| 1910 |
|
|
*
|
| 1911 |
|
|
* Function 1: Driver initialization routine, this routine must be
|
| 1912 |
|
|
* called when initialized driver.
|
| 1913 |
|
|
* Syntax:
|
| 1914 |
|
|
* void MoxaDriverInit();
|
| 1915 |
|
|
*
|
| 1916 |
|
|
*
|
| 1917 |
|
|
* Function 2: Moxa driver private IOCTL command processing.
|
| 1918 |
|
|
* Syntax:
|
| 1919 |
|
|
* int MoxaDriverIoctl(unsigned int cmd, unsigned long arg, int port);
|
| 1920 |
|
|
*
|
| 1921 |
|
|
* unsigned int cmd : IOCTL command
|
| 1922 |
|
|
* unsigned long arg : IOCTL argument
|
| 1923 |
|
|
* int port : port number (0 - 127)
|
| 1924 |
|
|
*
|
| 1925 |
|
|
* return: 0 (OK)
|
| 1926 |
|
|
* -EINVAL
|
| 1927 |
|
|
* -ENOIOCTLCMD
|
| 1928 |
|
|
*
|
| 1929 |
|
|
*
|
| 1930 |
|
|
* Function 3: Moxa driver polling process routine.
|
| 1931 |
|
|
* Syntax:
|
| 1932 |
|
|
* int MoxaDriverPoll(void);
|
| 1933 |
|
|
*
|
| 1934 |
|
|
* return: 0 ; polling O.K.
|
| 1935 |
|
|
* -1 : no any Moxa card.
|
| 1936 |
|
|
*
|
| 1937 |
|
|
*
|
| 1938 |
|
|
* Function 4: Get the ports of this card.
|
| 1939 |
|
|
* Syntax:
|
| 1940 |
|
|
* int MoxaPortsOfCard(int cardno);
|
| 1941 |
|
|
*
|
| 1942 |
|
|
* int cardno : card number (0 - 3)
|
| 1943 |
|
|
*
|
| 1944 |
|
|
* return: 0 : this card is invalid
|
| 1945 |
|
|
* 8/16/24/32
|
| 1946 |
|
|
*
|
| 1947 |
|
|
*
|
| 1948 |
|
|
* Function 5: Check this port is valid or invalid
|
| 1949 |
|
|
* Syntax:
|
| 1950 |
|
|
* int MoxaPortIsValid(int port);
|
| 1951 |
|
|
* int port : port number (0 - 127, ref port description)
|
| 1952 |
|
|
*
|
| 1953 |
|
|
* return: 0 : this port is invalid
|
| 1954 |
|
|
* 1 : this port is valid
|
| 1955 |
|
|
*
|
| 1956 |
|
|
*
|
| 1957 |
|
|
* Function 6: Enable this port to start Tx/Rx data.
|
| 1958 |
|
|
* Syntax:
|
| 1959 |
|
|
* void MoxaPortEnable(int port);
|
| 1960 |
|
|
* int port : port number (0 - 127)
|
| 1961 |
|
|
*
|
| 1962 |
|
|
*
|
| 1963 |
|
|
* Function 7: Disable this port
|
| 1964 |
|
|
* Syntax:
|
| 1965 |
|
|
* void MoxaPortDisable(int port);
|
| 1966 |
|
|
* int port : port number (0 - 127)
|
| 1967 |
|
|
*
|
| 1968 |
|
|
*
|
| 1969 |
|
|
* Function 8: Get the maximun available baud rate of this port.
|
| 1970 |
|
|
* Syntax:
|
| 1971 |
|
|
* long MoxaPortGetMaxBaud(int port);
|
| 1972 |
|
|
* int port : port number (0 - 127)
|
| 1973 |
|
|
*
|
| 1974 |
|
|
* return: 0 : this port is invalid
|
| 1975 |
|
|
* 38400/57600/115200 bps
|
| 1976 |
|
|
*
|
| 1977 |
|
|
*
|
| 1978 |
|
|
* Function 9: Get the current baud rate of this port.
|
| 1979 |
|
|
* Syntax:
|
| 1980 |
|
|
* long MoxaPortGetCurBaud(int port);
|
| 1981 |
|
|
* int port : port number (0 - 127)
|
| 1982 |
|
|
*
|
| 1983 |
|
|
* return: 0 : this port is invalid
|
| 1984 |
|
|
* 50 - 115200 bps
|
| 1985 |
|
|
*
|
| 1986 |
|
|
*
|
| 1987 |
|
|
* Function 10: Setting baud rate of this port.
|
| 1988 |
|
|
* Syntax:
|
| 1989 |
|
|
* long MoxaPortSetBaud(int port, long baud);
|
| 1990 |
|
|
* int port : port number (0 - 127)
|
| 1991 |
|
|
* long baud : baud rate (50 - 115200)
|
| 1992 |
|
|
*
|
| 1993 |
|
|
* return: 0 : this port is invalid or baud < 50
|
| 1994 |
|
|
* 50 - 115200 : the real baud rate set to the port, if
|
| 1995 |
|
|
* the argument baud is large than maximun
|
| 1996 |
|
|
* available baud rate, the real setting
|
| 1997 |
|
|
* baud rate will be the maximun baud rate.
|
| 1998 |
|
|
*
|
| 1999 |
|
|
*
|
| 2000 |
|
|
* Function 11: Setting the data-bits/stop-bits/parity of this port
|
| 2001 |
|
|
* Syntax:
|
| 2002 |
|
|
* int MoxaPortSetMode(int port, int databits, int stopbits, int parity);
|
| 2003 |
|
|
* int port : port number (0 - 127)
|
| 2004 |
|
|
* int databits : data bits (8/7/6/5)
|
| 2005 |
|
|
* int stopbits : stop bits (2/1/0, 0 show 1.5 stop bits)
|
| 2006 |
|
|
int parity : parity (0:None,1:Odd,2:Even,3:Mark,4:Space)
|
| 2007 |
|
|
*
|
| 2008 |
|
|
* return: -1 : invalid parameter
|
| 2009 |
|
|
* 0 : setting O.K.
|
| 2010 |
|
|
*
|
| 2011 |
|
|
*
|
| 2012 |
|
|
* Function 12: Configure the port.
|
| 2013 |
|
|
* Syntax:
|
| 2014 |
|
|
* int MoxaPortSetTermio(int port, struct termios *termio);
|
| 2015 |
|
|
* int port : port number (0 - 127)
|
| 2016 |
|
|
* struct termios * termio : termio structure pointer
|
| 2017 |
|
|
*
|
| 2018 |
|
|
* return: -1 : this port is invalid or termio == NULL
|
| 2019 |
|
|
* 0 : setting O.K.
|
| 2020 |
|
|
*
|
| 2021 |
|
|
*
|
| 2022 |
|
|
* Function 13: Get the DTR/RTS state of this port.
|
| 2023 |
|
|
* Syntax:
|
| 2024 |
|
|
* int MoxaPortGetLineOut(int port, int *dtrState, int *rtsState);
|
| 2025 |
|
|
* int port : port number (0 - 127)
|
| 2026 |
|
|
* int * dtrState : pointer to INT to receive the current DTR
|
| 2027 |
|
|
* state. (if NULL, this function will not
|
| 2028 |
|
|
* write to this address)
|
| 2029 |
|
|
* int * rtsState : pointer to INT to receive the current RTS
|
| 2030 |
|
|
* state. (if NULL, this function will not
|
| 2031 |
|
|
* write to this address)
|
| 2032 |
|
|
*
|
| 2033 |
|
|
* return: -1 : this port is invalid
|
| 2034 |
|
|
* 0 : O.K.
|
| 2035 |
|
|
*
|
| 2036 |
|
|
*
|
| 2037 |
|
|
* Function 14: Setting the DTR/RTS output state of this port.
|
| 2038 |
|
|
* Syntax:
|
| 2039 |
|
|
* void MoxaPortLineCtrl(int port, int dtrState, int rtsState);
|
| 2040 |
|
|
* int port : port number (0 - 127)
|
| 2041 |
|
|
* int dtrState : DTR output state (0: off, 1: on)
|
| 2042 |
|
|
* int rtsState : RTS output state (0: off, 1: on)
|
| 2043 |
|
|
*
|
| 2044 |
|
|
*
|
| 2045 |
|
|
* Function 15: Setting the flow control of this port.
|
| 2046 |
|
|
* Syntax:
|
| 2047 |
|
|
* void MoxaPortFlowCtrl(int port, int rtsFlow, int ctsFlow, int rxFlow,
|
| 2048 |
|
|
* int txFlow,int xany);
|
| 2049 |
|
|
* int port : port number (0 - 127)
|
| 2050 |
|
|
* int rtsFlow : H/W RTS flow control (0: no, 1: yes)
|
| 2051 |
|
|
* int ctsFlow : H/W CTS flow control (0: no, 1: yes)
|
| 2052 |
|
|
* int rxFlow : S/W Rx XON/XOFF flow control (0: no, 1: yes)
|
| 2053 |
|
|
* int txFlow : S/W Tx XON/XOFF flow control (0: no, 1: yes)
|
| 2054 |
|
|
* int xany : S/W XANY flow control (0: no, 1: yes)
|
| 2055 |
|
|
*
|
| 2056 |
|
|
*
|
| 2057 |
|
|
* Function 16: Get ths line status of this port
|
| 2058 |
|
|
* Syntax:
|
| 2059 |
|
|
* int MoxaPortLineStatus(int port);
|
| 2060 |
|
|
* int port : port number (0 - 127)
|
| 2061 |
|
|
*
|
| 2062 |
|
|
* return: Bit 0 - CTS state (0: off, 1: on)
|
| 2063 |
|
|
* Bit 1 - DSR state (0: off, 1: on)
|
| 2064 |
|
|
* Bit 2 - DCD state (0: off, 1: on)
|
| 2065 |
|
|
*
|
| 2066 |
|
|
*
|
| 2067 |
|
|
* Function 17: Check the DCD state has changed since the last read
|
| 2068 |
|
|
* of this function.
|
| 2069 |
|
|
* Syntax:
|
| 2070 |
|
|
* int MoxaPortDCDChange(int port);
|
| 2071 |
|
|
* int port : port number (0 - 127)
|
| 2072 |
|
|
*
|
| 2073 |
|
|
* return: 0 : no changed
|
| 2074 |
|
|
* 1 : DCD has changed
|
| 2075 |
|
|
*
|
| 2076 |
|
|
*
|
| 2077 |
|
|
* Function 18: Check ths current DCD state is ON or not.
|
| 2078 |
|
|
* Syntax:
|
| 2079 |
|
|
* int MoxaPortDCDON(int port);
|
| 2080 |
|
|
* int port : port number (0 - 127)
|
| 2081 |
|
|
*
|
| 2082 |
|
|
* return: 0 : DCD off
|
| 2083 |
|
|
* 1 : DCD on
|
| 2084 |
|
|
*
|
| 2085 |
|
|
*
|
| 2086 |
|
|
* Function 19: Flush the Rx/Tx buffer data of this port.
|
| 2087 |
|
|
* Syntax:
|
| 2088 |
|
|
* void MoxaPortFlushData(int port, int mode);
|
| 2089 |
|
|
* int port : port number (0 - 127)
|
| 2090 |
|
|
* int mode
|
| 2091 |
|
|
* 0 : flush the Rx buffer
|
| 2092 |
|
|
* 1 : flush the Tx buffer
|
| 2093 |
|
|
* 2 : flush the Rx and Tx buffer
|
| 2094 |
|
|
*
|
| 2095 |
|
|
*
|
| 2096 |
|
|
* Function 20: Write data.
|
| 2097 |
|
|
* Syntax:
|
| 2098 |
|
|
* int MoxaPortWriteData(int port, unsigned char * buffer, int length);
|
| 2099 |
|
|
* int port : port number (0 - 127)
|
| 2100 |
|
|
* unsigned char * buffer : pointer to write data buffer.
|
| 2101 |
|
|
* int length : write data length
|
| 2102 |
|
|
*
|
| 2103 |
|
|
* return: 0 - length : real write data length
|
| 2104 |
|
|
*
|
| 2105 |
|
|
*
|
| 2106 |
|
|
* Function 21: Read data.
|
| 2107 |
|
|
* Syntax:
|
| 2108 |
|
|
* int MoxaPortReadData(int port, unsigned char * buffer, int length);
|
| 2109 |
|
|
* int port : port number (0 - 127)
|
| 2110 |
|
|
* unsigned char * buffer : pointer to read data buffer.
|
| 2111 |
|
|
* int length : read data buffer length
|
| 2112 |
|
|
*
|
| 2113 |
|
|
* return: 0 - length : real read data length
|
| 2114 |
|
|
*
|
| 2115 |
|
|
*
|
| 2116 |
|
|
* Function 22: Get the Tx buffer size of this port
|
| 2117 |
|
|
* Syntax:
|
| 2118 |
|
|
* int MoxaPortTxBufSize(int port);
|
| 2119 |
|
|
* int port : port number (0 - 127)
|
| 2120 |
|
|
*
|
| 2121 |
|
|
* return: .. : Tx buffer size
|
| 2122 |
|
|
*
|
| 2123 |
|
|
*
|
| 2124 |
|
|
* Function 23: Get the Rx buffer size of this port
|
| 2125 |
|
|
* Syntax:
|
| 2126 |
|
|
* int MoxaPortRxBufSize(int port);
|
| 2127 |
|
|
* int port : port number (0 - 127)
|
| 2128 |
|
|
*
|
| 2129 |
|
|
* return: .. : Rx buffer size
|
| 2130 |
|
|
*
|
| 2131 |
|
|
*
|
| 2132 |
|
|
* Function 24: Get the Tx buffer current queued data bytes
|
| 2133 |
|
|
* Syntax:
|
| 2134 |
|
|
* int MoxaPortTxQueue(int port);
|
| 2135 |
|
|
* int port : port number (0 - 127)
|
| 2136 |
|
|
*
|
| 2137 |
|
|
* return: .. : Tx buffer current queued data bytes
|
| 2138 |
|
|
*
|
| 2139 |
|
|
*
|
| 2140 |
|
|
* Function 25: Get the Tx buffer current free space
|
| 2141 |
|
|
* Syntax:
|
| 2142 |
|
|
* int MoxaPortTxFree(int port);
|
| 2143 |
|
|
* int port : port number (0 - 127)
|
| 2144 |
|
|
*
|
| 2145 |
|
|
* return: .. : Tx buffer current free space
|
| 2146 |
|
|
*
|
| 2147 |
|
|
*
|
| 2148 |
|
|
* Function 26: Get the Rx buffer current queued data bytes
|
| 2149 |
|
|
* Syntax:
|
| 2150 |
|
|
* int MoxaPortRxQueue(int port);
|
| 2151 |
|
|
* int port : port number (0 - 127)
|
| 2152 |
|
|
*
|
| 2153 |
|
|
* return: .. : Rx buffer current queued data bytes
|
| 2154 |
|
|
*
|
| 2155 |
|
|
*
|
| 2156 |
|
|
* Function 27: Get the Rx buffer current free space
|
| 2157 |
|
|
* Syntax:
|
| 2158 |
|
|
* int MoxaPortRxFree(int port);
|
| 2159 |
|
|
* int port : port number (0 - 127)
|
| 2160 |
|
|
*
|
| 2161 |
|
|
* return: .. : Rx buffer current free space
|
| 2162 |
|
|
*
|
| 2163 |
|
|
*
|
| 2164 |
|
|
* Function 28: Disable port data transmission.
|
| 2165 |
|
|
* Syntax:
|
| 2166 |
|
|
* void MoxaPortTxDisable(int port);
|
| 2167 |
|
|
* int port : port number (0 - 127)
|
| 2168 |
|
|
*
|
| 2169 |
|
|
*
|
| 2170 |
|
|
* Function 29: Enable port data transmission.
|
| 2171 |
|
|
* Syntax:
|
| 2172 |
|
|
* void MoxaPortTxEnable(int port);
|
| 2173 |
|
|
* int port : port number (0 - 127)
|
| 2174 |
|
|
*
|
| 2175 |
|
|
*
|
| 2176 |
|
|
* Function 30: Get the received BREAK signal count.
|
| 2177 |
|
|
* Syntax:
|
| 2178 |
|
|
* int MoxaPortGetBrkCnt(int port);
|
| 2179 |
|
|
* int port : port number (0 - 127)
|
| 2180 |
|
|
*
|
| 2181 |
|
|
* return: 0 - .. : BREAK signal count
|
| 2182 |
|
|
*
|
| 2183 |
|
|
*
|
| 2184 |
|
|
* Function 31: Get the received BREAK signal count and reset it.
|
| 2185 |
|
|
* Syntax:
|
| 2186 |
|
|
* int MoxaPortResetBrkCnt(int port);
|
| 2187 |
|
|
* int port : port number (0 - 127)
|
| 2188 |
|
|
*
|
| 2189 |
|
|
* return: 0 - .. : BREAK signal count
|
| 2190 |
|
|
*
|
| 2191 |
|
|
*
|
| 2192 |
|
|
* Function 32: Set the S/W flow control new XON/XOFF value, default
|
| 2193 |
|
|
* XON is 0x11 & XOFF is 0x13.
|
| 2194 |
|
|
* Syntax:
|
| 2195 |
|
|
* void MoxaPortSetXonXoff(int port, int xonValue, int xoffValue);
|
| 2196 |
|
|
* int port : port number (0 - 127)
|
| 2197 |
|
|
* int xonValue : new XON value (0 - 255)
|
| 2198 |
|
|
* int xoffValue : new XOFF value (0 - 255)
|
| 2199 |
|
|
*
|
| 2200 |
|
|
*
|
| 2201 |
|
|
* Function 33: Check this port's transmission is hold by remote site
|
| 2202 |
|
|
* because the flow control.
|
| 2203 |
|
|
* Syntax:
|
| 2204 |
|
|
* int MoxaPortIsTxHold(int port);
|
| 2205 |
|
|
* int port : port number (0 - 127)
|
| 2206 |
|
|
*
|
| 2207 |
|
|
* return: 0 : normal
|
| 2208 |
|
|
* 1 : hold by remote site
|
| 2209 |
|
|
*
|
| 2210 |
|
|
*
|
| 2211 |
|
|
* Function 34: Send out a BREAK signal.
|
| 2212 |
|
|
* Syntax:
|
| 2213 |
|
|
* void MoxaPortSendBreak(int port, int ms100);
|
| 2214 |
|
|
* int port : port number (0 - 127)
|
| 2215 |
|
|
* int ms100 : break signal time interval.
|
| 2216 |
|
|
* unit: 100 mini-second. if ms100 == 0, it will
|
| 2217 |
|
|
* send out a about 250 ms BREAK signal.
|
| 2218 |
|
|
*
|
| 2219 |
|
|
*/
|
| 2220 |
|
|
int MoxaPortIsValid(int port)
|
| 2221 |
|
|
{
|
| 2222 |
|
|
|
| 2223 |
|
|
if (moxaCard == 0)
|
| 2224 |
|
|
return (0);
|
| 2225 |
|
|
if (moxaChkPort[port] == 0)
|
| 2226 |
|
|
return (0);
|
| 2227 |
|
|
return (1);
|
| 2228 |
|
|
}
|
| 2229 |
|
|
|
| 2230 |
|
|
void MoxaPortEnable(int port)
|
| 2231 |
|
|
{
|
| 2232 |
|
|
unsigned long ofsAddr;
|
| 2233 |
|
|
int MoxaPortLineStatus(int);
|
| 2234 |
|
|
short lowwater = 512;
|
| 2235 |
|
|
|
| 2236 |
|
|
ofsAddr = moxaTableAddr[port];
|
| 2237 |
|
|
writew(lowwater, ofsAddr + Low_water);
|
| 2238 |
|
|
moxaBreakCnt[port] = 0;
|
| 2239 |
|
|
if ((moxa_boards[port / MAX_PORTS_PER_BOARD].boardType == MOXA_BOARD_C320_ISA) ||
|
| 2240 |
|
|
(moxa_boards[port / MAX_PORTS_PER_BOARD].boardType == MOXA_BOARD_C320_PCI)) {
|
| 2241 |
|
|
moxafunc(ofsAddr, FC_SetBreakIrq, 0);
|
| 2242 |
|
|
} else {
|
| 2243 |
|
|
writew(readw(ofsAddr + HostStat) | WakeupBreak, ofsAddr + HostStat);
|
| 2244 |
|
|
}
|
| 2245 |
|
|
|
| 2246 |
|
|
moxafunc(ofsAddr, FC_SetLineIrq, Magic_code);
|
| 2247 |
|
|
moxafunc(ofsAddr, FC_FlushQueue, 2);
|
| 2248 |
|
|
|
| 2249 |
|
|
moxafunc(ofsAddr, FC_EnableCH, Magic_code);
|
| 2250 |
|
|
MoxaPortLineStatus(port);
|
| 2251 |
|
|
}
|
| 2252 |
|
|
|
| 2253 |
|
|
void MoxaPortDisable(int port)
|
| 2254 |
|
|
{
|
| 2255 |
|
|
unsigned long ofsAddr;
|
| 2256 |
|
|
|
| 2257 |
|
|
ofsAddr = moxaTableAddr[port];
|
| 2258 |
|
|
moxafunc(ofsAddr, FC_SetFlowCtl, 0); /* disable flow control */
|
| 2259 |
|
|
moxafunc(ofsAddr, FC_ClrLineIrq, Magic_code);
|
| 2260 |
|
|
writew(0, ofsAddr + HostStat);
|
| 2261 |
|
|
moxafunc(ofsAddr, FC_DisableCH, Magic_code);
|
| 2262 |
|
|
}
|
| 2263 |
|
|
|
| 2264 |
|
|
long MoxaPortGetMaxBaud(int port)
|
| 2265 |
|
|
{
|
| 2266 |
|
|
if ((moxa_boards[port / MAX_PORTS_PER_BOARD].boardType == MOXA_BOARD_C320_ISA) ||
|
| 2267 |
|
|
(moxa_boards[port / MAX_PORTS_PER_BOARD].boardType == MOXA_BOARD_C320_PCI))
|
| 2268 |
|
|
return (460800L);
|
| 2269 |
|
|
else
|
| 2270 |
|
|
return (921600L);
|
| 2271 |
|
|
}
|
| 2272 |
|
|
|
| 2273 |
|
|
|
| 2274 |
|
|
long MoxaPortSetBaud(int port, long baud)
|
| 2275 |
|
|
{
|
| 2276 |
|
|
unsigned long ofsAddr;
|
| 2277 |
|
|
long max, clock;
|
| 2278 |
|
|
unsigned int val;
|
| 2279 |
|
|
|
| 2280 |
|
|
if ((baud < 50L) || ((max = MoxaPortGetMaxBaud(port)) == 0))
|
| 2281 |
|
|
return (0);
|
| 2282 |
|
|
ofsAddr = moxaTableAddr[port];
|
| 2283 |
|
|
if (baud > max)
|
| 2284 |
|
|
baud = max;
|
| 2285 |
|
|
if (max == 38400L)
|
| 2286 |
|
|
clock = 614400L; /* for 9.8304 Mhz : max. 38400 bps */
|
| 2287 |
|
|
else if (max == 57600L)
|
| 2288 |
|
|
clock = 691200L; /* for 11.0592 Mhz : max. 57600 bps */
|
| 2289 |
|
|
else
|
| 2290 |
|
|
clock = 921600L; /* for 14.7456 Mhz : max. 115200 bps */
|
| 2291 |
|
|
val = clock / baud;
|
| 2292 |
|
|
moxafunc(ofsAddr, FC_SetBaud, val);
|
| 2293 |
|
|
baud = clock / val;
|
| 2294 |
|
|
moxaCurBaud[port] = baud;
|
| 2295 |
|
|
return (baud);
|
| 2296 |
|
|
}
|
| 2297 |
|
|
|
| 2298 |
|
|
int MoxaPortSetTermio(int port, struct termios *termio)
|
| 2299 |
|
|
{
|
| 2300 |
|
|
unsigned long ofsAddr;
|
| 2301 |
|
|
tcflag_t cflag;
|
| 2302 |
|
|
long baud;
|
| 2303 |
|
|
tcflag_t mode = 0;
|
| 2304 |
|
|
|
| 2305 |
|
|
if (moxaChkPort[port] == 0 || termio == 0)
|
| 2306 |
|
|
return (-1);
|
| 2307 |
|
|
ofsAddr = moxaTableAddr[port];
|
| 2308 |
|
|
cflag = termio->c_cflag; /* termio->c_cflag */
|
| 2309 |
|
|
|
| 2310 |
|
|
mode = termio->c_cflag & CSIZE;
|
| 2311 |
|
|
if (mode == CS5)
|
| 2312 |
|
|
mode = MX_CS5;
|
| 2313 |
|
|
else if (mode == CS6)
|
| 2314 |
|
|
mode = MX_CS6;
|
| 2315 |
|
|
else if (mode == CS7)
|
| 2316 |
|
|
mode = MX_CS7;
|
| 2317 |
|
|
else if (mode == CS8)
|
| 2318 |
|
|
mode = MX_CS8;
|
| 2319 |
|
|
|
| 2320 |
|
|
if (termio->c_cflag & CSTOPB) {
|
| 2321 |
|
|
if (mode == MX_CS5)
|
| 2322 |
|
|
mode |= MX_STOP15;
|
| 2323 |
|
|
else
|
| 2324 |
|
|
mode |= MX_STOP2;
|
| 2325 |
|
|
} else
|
| 2326 |
|
|
mode |= MX_STOP1;
|
| 2327 |
|
|
|
| 2328 |
|
|
if (termio->c_cflag & PARENB) {
|
| 2329 |
|
|
if (termio->c_cflag & PARODD)
|
| 2330 |
|
|
mode |= MX_PARODD;
|
| 2331 |
|
|
else
|
| 2332 |
|
|
mode |= MX_PAREVEN;
|
| 2333 |
|
|
} else
|
| 2334 |
|
|
mode |= MX_PARNONE;
|
| 2335 |
|
|
|
| 2336 |
|
|
moxafunc(ofsAddr, FC_SetDataMode, (ushort) mode);
|
| 2337 |
|
|
|
| 2338 |
|
|
cflag &= (CBAUD | CBAUDEX);
|
| 2339 |
|
|
#ifndef B921600
|
| 2340 |
|
|
#define B921600 (B460800+1)
|
| 2341 |
|
|
#endif
|
| 2342 |
|
|
switch (cflag) {
|
| 2343 |
|
|
case B921600:
|
| 2344 |
|
|
baud = 921600L;
|
| 2345 |
|
|
break;
|
| 2346 |
|
|
case B460800:
|
| 2347 |
|
|
baud = 460800L;
|
| 2348 |
|
|
break;
|
| 2349 |
|
|
case B230400:
|
| 2350 |
|
|
baud = 230400L;
|
| 2351 |
|
|
break;
|
| 2352 |
|
|
case B115200:
|
| 2353 |
|
|
baud = 115200L;
|
| 2354 |
|
|
break;
|
| 2355 |
|
|
case B57600:
|
| 2356 |
|
|
baud = 57600L;
|
| 2357 |
|
|
break;
|
| 2358 |
|
|
case B38400:
|
| 2359 |
|
|
baud = 38400L;
|
| 2360 |
|
|
break;
|
| 2361 |
|
|
case B19200:
|
| 2362 |
|
|
baud = 19200L;
|
| 2363 |
|
|
break;
|
| 2364 |
|
|
case B9600:
|
| 2365 |
|
|
baud = 9600L;
|
| 2366 |
|
|
break;
|
| 2367 |
|
|
case B4800:
|
| 2368 |
|
|
baud = 4800L;
|
| 2369 |
|
|
break;
|
| 2370 |
|
|
case B2400:
|
| 2371 |
|
|
baud = 2400L;
|
| 2372 |
|
|
break;
|
| 2373 |
|
|
case B1800:
|
| 2374 |
|
|
baud = 1800L;
|
| 2375 |
|
|
break;
|
| 2376 |
|
|
case B1200:
|
| 2377 |
|
|
baud = 1200L;
|
| 2378 |
|
|
break;
|
| 2379 |
|
|
case B600:
|
| 2380 |
|
|
baud = 600L;
|
| 2381 |
|
|
break;
|
| 2382 |
|
|
case B300:
|
| 2383 |
|
|
baud = 300L;
|
| 2384 |
|
|
break;
|
| 2385 |
|
|
case B200:
|
| 2386 |
|
|
baud = 200L;
|
| 2387 |
|
|
break;
|
| 2388 |
|
|
case B150:
|
| 2389 |
|
|
baud = 150L;
|
| 2390 |
|
|
break;
|
| 2391 |
|
|
case B134:
|
| 2392 |
|
|
baud = 134L;
|
| 2393 |
|
|
break;
|
| 2394 |
|
|
case B110:
|
| 2395 |
|
|
baud = 110L;
|
| 2396 |
|
|
break;
|
| 2397 |
|
|
case B75:
|
| 2398 |
|
|
baud = 75L;
|
| 2399 |
|
|
break;
|
| 2400 |
|
|
case B50:
|
| 2401 |
|
|
baud = 50L;
|
| 2402 |
|
|
break;
|
| 2403 |
|
|
default:
|
| 2404 |
|
|
baud = 0;
|
| 2405 |
|
|
}
|
| 2406 |
|
|
if ((moxa_boards[port / MAX_PORTS_PER_BOARD].boardType == MOXA_BOARD_C320_ISA) ||
|
| 2407 |
|
|
(moxa_boards[port / MAX_PORTS_PER_BOARD].boardType == MOXA_BOARD_C320_PCI)) {
|
| 2408 |
|
|
if (baud == 921600L)
|
| 2409 |
|
|
return (-1);
|
| 2410 |
|
|
}
|
| 2411 |
|
|
MoxaPortSetBaud(port, baud);
|
| 2412 |
|
|
|
| 2413 |
|
|
if (termio->c_iflag & (IXON | IXOFF | IXANY)) {
|
| 2414 |
|
|
writeb(termio->c_cc[VSTART], ofsAddr + FuncArg);
|
| 2415 |
|
|
writeb(termio->c_cc[VSTOP], ofsAddr + FuncArg1);
|
| 2416 |
|
|
writeb(FC_SetXonXoff, ofsAddr + FuncCode);
|
| 2417 |
|
|
wait_finish(ofsAddr);
|
| 2418 |
|
|
|
| 2419 |
|
|
}
|
| 2420 |
|
|
return (0);
|
| 2421 |
|
|
}
|
| 2422 |
|
|
|
| 2423 |
|
|
int MoxaPortGetLineOut(int port, int *dtrState, int *rtsState)
|
| 2424 |
|
|
{
|
| 2425 |
|
|
|
| 2426 |
|
|
if (!MoxaPortIsValid(port))
|
| 2427 |
|
|
return (-1);
|
| 2428 |
|
|
if (dtrState) {
|
| 2429 |
|
|
if (moxaLineCtrl[port] & DTR_ON)
|
| 2430 |
|
|
*dtrState = 1;
|
| 2431 |
|
|
else
|
| 2432 |
|
|
*dtrState = 0;
|
| 2433 |
|
|
}
|
| 2434 |
|
|
if (rtsState) {
|
| 2435 |
|
|
if (moxaLineCtrl[port] & RTS_ON)
|
| 2436 |
|
|
*rtsState = 1;
|
| 2437 |
|
|
else
|
| 2438 |
|
|
*rtsState = 0;
|
| 2439 |
|
|
}
|
| 2440 |
|
|
return (0);
|
| 2441 |
|
|
}
|
| 2442 |
|
|
|
| 2443 |
|
|
void MoxaPortLineCtrl(int port, int dtr, int rts)
|
| 2444 |
|
|
{
|
| 2445 |
|
|
unsigned long ofsAddr;
|
| 2446 |
|
|
int mode;
|
| 2447 |
|
|
|
| 2448 |
|
|
ofsAddr = moxaTableAddr[port];
|
| 2449 |
|
|
mode = 0;
|
| 2450 |
|
|
if (dtr)
|
| 2451 |
|
|
mode |= DTR_ON;
|
| 2452 |
|
|
if (rts)
|
| 2453 |
|
|
mode |= RTS_ON;
|
| 2454 |
|
|
moxaLineCtrl[port] = mode;
|
| 2455 |
|
|
moxafunc(ofsAddr, FC_LineControl, mode);
|
| 2456 |
|
|
}
|
| 2457 |
|
|
|
| 2458 |
|
|
void MoxaPortFlowCtrl(int port, int rts, int cts, int txflow, int rxflow, int txany)
|
| 2459 |
|
|
{
|
| 2460 |
|
|
unsigned long ofsAddr;
|
| 2461 |
|
|
int mode;
|
| 2462 |
|
|
|
| 2463 |
|
|
ofsAddr = moxaTableAddr[port];
|
| 2464 |
|
|
mode = 0;
|
| 2465 |
|
|
if (rts)
|
| 2466 |
|
|
mode |= RTS_FlowCtl;
|
| 2467 |
|
|
if (cts)
|
| 2468 |
|
|
mode |= CTS_FlowCtl;
|
| 2469 |
|
|
if (txflow)
|
| 2470 |
|
|
mode |= Tx_FlowCtl;
|
| 2471 |
|
|
if (rxflow)
|
| 2472 |
|
|
mode |= Rx_FlowCtl;
|
| 2473 |
|
|
if (txany)
|
| 2474 |
|
|
mode |= IXM_IXANY;
|
| 2475 |
|
|
moxafunc(ofsAddr, FC_SetFlowCtl, mode);
|
| 2476 |
|
|
}
|
| 2477 |
|
|
|
| 2478 |
|
|
int MoxaPortLineStatus(int port)
|
| 2479 |
|
|
{
|
| 2480 |
|
|
unsigned long ofsAddr;
|
| 2481 |
|
|
int val;
|
| 2482 |
|
|
|
| 2483 |
|
|
ofsAddr = moxaTableAddr[port];
|
| 2484 |
|
|
if ((moxa_boards[port / MAX_PORTS_PER_BOARD].boardType == MOXA_BOARD_C320_ISA) ||
|
| 2485 |
|
|
(moxa_boards[port / MAX_PORTS_PER_BOARD].boardType == MOXA_BOARD_C320_PCI)) {
|
| 2486 |
|
|
moxafunc(ofsAddr, FC_LineStatus, 0);
|
| 2487 |
|
|
val = readw(ofsAddr + FuncArg);
|
| 2488 |
|
|
} else {
|
| 2489 |
|
|
val = readw(ofsAddr + FlagStat) >> 4;
|
| 2490 |
|
|
}
|
| 2491 |
|
|
val &= 0x0B;
|
| 2492 |
|
|
if (val & 8) {
|
| 2493 |
|
|
val |= 4;
|
| 2494 |
|
|
if ((moxaDCDState[port] & DCD_oldstate) == 0)
|
| 2495 |
|
|
moxaDCDState[port] = (DCD_oldstate | DCD_changed);
|
| 2496 |
|
|
} else {
|
| 2497 |
|
|
if (moxaDCDState[port] & DCD_oldstate)
|
| 2498 |
|
|
moxaDCDState[port] = DCD_changed;
|
| 2499 |
|
|
}
|
| 2500 |
|
|
val &= 7;
|
| 2501 |
|
|
return (val);
|
| 2502 |
|
|
}
|
| 2503 |
|
|
|
| 2504 |
|
|
int MoxaPortDCDChange(int port)
|
| 2505 |
|
|
{
|
| 2506 |
|
|
int n;
|
| 2507 |
|
|
|
| 2508 |
|
|
if (moxaChkPort[port] == 0)
|
| 2509 |
|
|
return (0);
|
| 2510 |
|
|
n = moxaDCDState[port];
|
| 2511 |
|
|
moxaDCDState[port] &= ~DCD_changed;
|
| 2512 |
|
|
n &= DCD_changed;
|
| 2513 |
|
|
return (n);
|
| 2514 |
|
|
}
|
| 2515 |
|
|
|
| 2516 |
|
|
int MoxaPortDCDON(int port)
|
| 2517 |
|
|
{
|
| 2518 |
|
|
int n;
|
| 2519 |
|
|
|
| 2520 |
|
|
if (moxaChkPort[port] == 0)
|
| 2521 |
|
|
return (0);
|
| 2522 |
|
|
if (moxaDCDState[port] & DCD_oldstate)
|
| 2523 |
|
|
n = 1;
|
| 2524 |
|
|
else
|
| 2525 |
|
|
n = 0;
|
| 2526 |
|
|
return (n);
|
| 2527 |
|
|
}
|
| 2528 |
|
|
|
| 2529 |
|
|
|
| 2530 |
|
|
/*
|
| 2531 |
|
|
int MoxaDumpMem(int port, unsigned char * buffer, int len)
|
| 2532 |
|
|
{
|
| 2533 |
|
|
int i;
|
| 2534 |
|
|
unsigned long baseAddr,ofsAddr,ofs;
|
| 2535 |
|
|
|
| 2536 |
|
|
baseAddr = moxaBaseAddr[port / MAX_PORTS_PER_BOARD];
|
| 2537 |
|
|
ofs = baseAddr + DynPage_addr + pageofs;
|
| 2538 |
|
|
if (len > 0x2000L)
|
| 2539 |
|
|
len = 0x2000L;
|
| 2540 |
|
|
for (i = 0; i < len; i++)
|
| 2541 |
|
|
buffer[i] = readb(ofs+i);
|
| 2542 |
|
|
}
|
| 2543 |
|
|
*/
|
| 2544 |
|
|
|
| 2545 |
|
|
|
| 2546 |
|
|
int MoxaPortWriteData(int port, unsigned char * buffer, int len)
|
| 2547 |
|
|
{
|
| 2548 |
|
|
int c, total, i;
|
| 2549 |
|
|
ushort tail;
|
| 2550 |
|
|
int cnt;
|
| 2551 |
|
|
ushort head, tx_mask, spage, epage;
|
| 2552 |
|
|
ushort pageno, pageofs, bufhead;
|
| 2553 |
|
|
unsigned long baseAddr, ofsAddr, ofs;
|
| 2554 |
|
|
|
| 2555 |
|
|
ofsAddr = moxaTableAddr[port];
|
| 2556 |
|
|
baseAddr = moxaBaseAddr[port / MAX_PORTS_PER_BOARD];
|
| 2557 |
|
|
tx_mask = readw(ofsAddr + TX_mask);
|
| 2558 |
|
|
spage = readw(ofsAddr + Page_txb);
|
| 2559 |
|
|
epage = readw(ofsAddr + EndPage_txb);
|
| 2560 |
|
|
tail = readw(ofsAddr + TXwptr);
|
| 2561 |
|
|
head = readw(ofsAddr + TXrptr);
|
| 2562 |
|
|
c = (head > tail) ? (head - tail - 1)
|
| 2563 |
|
|
: (head - tail + tx_mask);
|
| 2564 |
|
|
if (c > len)
|
| 2565 |
|
|
c = len;
|
| 2566 |
|
|
moxaLog.txcnt[port] += c;
|
| 2567 |
|
|
total = c;
|
| 2568 |
|
|
if (spage == epage) {
|
| 2569 |
|
|
bufhead = readw(ofsAddr + Ofs_txb);
|
| 2570 |
|
|
writew(spage, baseAddr + Control_reg);
|
| 2571 |
|
|
while (c > 0) {
|
| 2572 |
|
|
if (head > tail)
|
| 2573 |
|
|
len = head - tail - 1;
|
| 2574 |
|
|
else
|
| 2575 |
|
|
len = tx_mask + 1 - tail;
|
| 2576 |
|
|
len = (c > len) ? len : c;
|
| 2577 |
|
|
ofs = baseAddr + DynPage_addr + bufhead + tail;
|
| 2578 |
|
|
for (i = 0; i < len; i++)
|
| 2579 |
|
|
writeb(*buffer++, ofs + i);
|
| 2580 |
|
|
tail = (tail + len) & tx_mask;
|
| 2581 |
|
|
c -= len;
|
| 2582 |
|
|
}
|
| 2583 |
|
|
writew(tail, ofsAddr + TXwptr);
|
| 2584 |
|
|
} else {
|
| 2585 |
|
|
len = c;
|
| 2586 |
|
|
pageno = spage + (tail >> 13);
|
| 2587 |
|
|
pageofs = tail & Page_mask;
|
| 2588 |
|
|
do {
|
| 2589 |
|
|
cnt = Page_size - pageofs;
|
| 2590 |
|
|
if (cnt > c)
|
| 2591 |
|
|
cnt = c;
|
| 2592 |
|
|
c -= cnt;
|
| 2593 |
|
|
writeb(pageno, baseAddr + Control_reg);
|
| 2594 |
|
|
ofs = baseAddr + DynPage_addr + pageofs;
|
| 2595 |
|
|
for (i = 0; i < cnt; i++)
|
| 2596 |
|
|
writeb(*buffer++, ofs + i);
|
| 2597 |
|
|
if (c == 0) {
|
| 2598 |
|
|
writew((tail + len) & tx_mask, ofsAddr + TXwptr);
|
| 2599 |
|
|
break;
|
| 2600 |
|
|
}
|
| 2601 |
|
|
if (++pageno == epage)
|
| 2602 |
|
|
pageno = spage;
|
| 2603 |
|
|
pageofs = 0;
|
| 2604 |
|
|
} while (1);
|
| 2605 |
|
|
}
|
| 2606 |
|
|
writeb(1, ofsAddr + CD180TXirq); /* start to send */
|
| 2607 |
|
|
return (total);
|
| 2608 |
|
|
}
|
| 2609 |
|
|
|
| 2610 |
|
|
int MoxaPortReadData(int port, unsigned char * buffer, int space)
|
| 2611 |
|
|
{
|
| 2612 |
|
|
register ushort head, pageofs;
|
| 2613 |
|
|
int i, count, cnt, len, total, remain;
|
| 2614 |
|
|
ushort tail, rx_mask, spage, epage;
|
| 2615 |
|
|
ushort pageno, bufhead;
|
| 2616 |
|
|
unsigned long baseAddr, ofsAddr, ofs;
|
| 2617 |
|
|
|
| 2618 |
|
|
ofsAddr = moxaTableAddr[port];
|
| 2619 |
|
|
baseAddr = moxaBaseAddr[port / MAX_PORTS_PER_BOARD];
|
| 2620 |
|
|
head = readw(ofsAddr + RXrptr);
|
| 2621 |
|
|
tail = readw(ofsAddr + RXwptr);
|
| 2622 |
|
|
rx_mask = readw(ofsAddr + RX_mask);
|
| 2623 |
|
|
spage = readw(ofsAddr + Page_rxb);
|
| 2624 |
|
|
epage = readw(ofsAddr + EndPage_rxb);
|
| 2625 |
|
|
count = (tail >= head) ? (tail - head)
|
| 2626 |
|
|
: (tail - head + rx_mask + 1);
|
| 2627 |
|
|
if (count == 0)
|
| 2628 |
|
|
return (0);
|
| 2629 |
|
|
|
| 2630 |
|
|
total = (space > count) ? count : space;
|
| 2631 |
|
|
remain = count - total;
|
| 2632 |
|
|
moxaLog.rxcnt[port] += total;
|
| 2633 |
|
|
count = total;
|
| 2634 |
|
|
if (spage == epage) {
|
| 2635 |
|
|
bufhead = readw(ofsAddr + Ofs_rxb);
|
| 2636 |
|
|
writew(spage, baseAddr + Control_reg);
|
| 2637 |
|
|
while (count > 0) {
|
| 2638 |
|
|
if (tail >= head)
|
| 2639 |
|
|
len = tail - head;
|
| 2640 |
|
|
else
|
| 2641 |
|
|
len = rx_mask + 1 - head;
|
| 2642 |
|
|
len = (count > len) ? len : count;
|
| 2643 |
|
|
ofs = baseAddr + DynPage_addr + bufhead + head;
|
| 2644 |
|
|
for (i = 0; i < len; i++)
|
| 2645 |
|
|
*buffer++ = readb(ofs + i);
|
| 2646 |
|
|
head = (head + len) & rx_mask;
|
| 2647 |
|
|
count -= len;
|
| 2648 |
|
|
}
|
| 2649 |
|
|
writew(head, ofsAddr + RXrptr);
|
| 2650 |
|
|
} else {
|
| 2651 |
|
|
len = count;
|
| 2652 |
|
|
pageno = spage + (head >> 13);
|
| 2653 |
|
|
pageofs = head & Page_mask;
|
| 2654 |
|
|
do {
|
| 2655 |
|
|
cnt = Page_size - pageofs;
|
| 2656 |
|
|
if (cnt > count)
|
| 2657 |
|
|
cnt = count;
|
| 2658 |
|
|
count -= cnt;
|
| 2659 |
|
|
writew(pageno, baseAddr + Control_reg);
|
| 2660 |
|
|
ofs = baseAddr + DynPage_addr + pageofs;
|
| 2661 |
|
|
for (i = 0; i < cnt; i++)
|
| 2662 |
|
|
*buffer++ = readb(ofs + i);
|
| 2663 |
|
|
if (count == 0) {
|
| 2664 |
|
|
writew((head + len) & rx_mask, ofsAddr + RXrptr);
|
| 2665 |
|
|
break;
|
| 2666 |
|
|
}
|
| 2667 |
|
|
if (++pageno == epage)
|
| 2668 |
|
|
pageno = spage;
|
| 2669 |
|
|
pageofs = 0;
|
| 2670 |
|
|
} while (1);
|
| 2671 |
|
|
}
|
| 2672 |
|
|
if ((readb(ofsAddr + FlagStat) & Xoff_state) && (remain < LowWater)) {
|
| 2673 |
|
|
moxaLowWaterChk = 1;
|
| 2674 |
|
|
moxaLowChkFlag[port] = 1;
|
| 2675 |
|
|
}
|
| 2676 |
|
|
return (total);
|
| 2677 |
|
|
}
|
| 2678 |
|
|
|
| 2679 |
|
|
|
| 2680 |
|
|
int MoxaPortTxQueue(int port)
|
| 2681 |
|
|
{
|
| 2682 |
|
|
unsigned long ofsAddr;
|
| 2683 |
|
|
ushort rptr, wptr, mask;
|
| 2684 |
|
|
int len;
|
| 2685 |
|
|
|
| 2686 |
|
|
ofsAddr = moxaTableAddr[port];
|
| 2687 |
|
|
rptr = readw(ofsAddr + TXrptr);
|
| 2688 |
|
|
wptr = readw(ofsAddr + TXwptr);
|
| 2689 |
|
|
mask = readw(ofsAddr + TX_mask);
|
| 2690 |
|
|
len = (wptr - rptr) & mask;
|
| 2691 |
|
|
return (len);
|
| 2692 |
|
|
}
|
| 2693 |
|
|
|
| 2694 |
|
|
int MoxaPortTxFree(int port)
|
| 2695 |
|
|
{
|
| 2696 |
|
|
unsigned long ofsAddr;
|
| 2697 |
|
|
ushort rptr, wptr, mask;
|
| 2698 |
|
|
int len;
|
| 2699 |
|
|
|
| 2700 |
|
|
ofsAddr = moxaTableAddr[port];
|
| 2701 |
|
|
rptr = readw(ofsAddr + TXrptr);
|
| 2702 |
|
|
wptr = readw(ofsAddr + TXwptr);
|
| 2703 |
|
|
mask = readw(ofsAddr + TX_mask);
|
| 2704 |
|
|
len = mask - ((wptr - rptr) & mask);
|
| 2705 |
|
|
return (len);
|
| 2706 |
|
|
}
|
| 2707 |
|
|
|
| 2708 |
|
|
int MoxaPortRxQueue(int port)
|
| 2709 |
|
|
{
|
| 2710 |
|
|
unsigned long ofsAddr;
|
| 2711 |
|
|
ushort rptr, wptr, mask;
|
| 2712 |
|
|
int len;
|
| 2713 |
|
|
|
| 2714 |
|
|
ofsAddr = moxaTableAddr[port];
|
| 2715 |
|
|
rptr = readw(ofsAddr + RXrptr);
|
| 2716 |
|
|
wptr = readw(ofsAddr + RXwptr);
|
| 2717 |
|
|
mask = readw(ofsAddr + RX_mask);
|
| 2718 |
|
|
len = (wptr - rptr) & mask;
|
| 2719 |
|
|
return (len);
|
| 2720 |
|
|
}
|
| 2721 |
|
|
|
| 2722 |
|
|
|
| 2723 |
|
|
void MoxaPortTxDisable(int port)
|
| 2724 |
|
|
{
|
| 2725 |
|
|
unsigned long ofsAddr;
|
| 2726 |
|
|
|
| 2727 |
|
|
ofsAddr = moxaTableAddr[port];
|
| 2728 |
|
|
moxafunc(ofsAddr, FC_SetXoffState, Magic_code);
|
| 2729 |
|
|
}
|
| 2730 |
|
|
|
| 2731 |
|
|
void MoxaPortTxEnable(int port)
|
| 2732 |
|
|
{
|
| 2733 |
|
|
unsigned long ofsAddr;
|
| 2734 |
|
|
|
| 2735 |
|
|
ofsAddr = moxaTableAddr[port];
|
| 2736 |
|
|
moxafunc(ofsAddr, FC_SetXonState, Magic_code);
|
| 2737 |
|
|
}
|
| 2738 |
|
|
|
| 2739 |
|
|
|
| 2740 |
|
|
int MoxaPortResetBrkCnt(int port)
|
| 2741 |
|
|
{
|
| 2742 |
|
|
ushort cnt;
|
| 2743 |
|
|
cnt = moxaBreakCnt[port];
|
| 2744 |
|
|
moxaBreakCnt[port] = 0;
|
| 2745 |
|
|
return (cnt);
|
| 2746 |
|
|
}
|
| 2747 |
|
|
|
| 2748 |
|
|
|
| 2749 |
|
|
void MoxaPortSendBreak(int port, int ms100)
|
| 2750 |
|
|
{
|
| 2751 |
|
|
unsigned long ofsAddr;
|
| 2752 |
|
|
|
| 2753 |
|
|
ofsAddr = moxaTableAddr[port];
|
| 2754 |
|
|
if (ms100) {
|
| 2755 |
|
|
moxafunc(ofsAddr, FC_SendBreak, Magic_code);
|
| 2756 |
|
|
moxadelay(ms100 * (HZ / 10));
|
| 2757 |
|
|
} else {
|
| 2758 |
|
|
moxafunc(ofsAddr, FC_SendBreak, Magic_code);
|
| 2759 |
|
|
moxadelay(HZ / 4); /* 250 ms */
|
| 2760 |
|
|
}
|
| 2761 |
|
|
moxafunc(ofsAddr, FC_StopBreak, Magic_code);
|
| 2762 |
|
|
}
|
| 2763 |
|
|
|
| 2764 |
|
|
static int moxa_get_serial_info(struct moxa_str *info,
|
| 2765 |
|
|
struct serial_struct *retinfo)
|
| 2766 |
|
|
{
|
| 2767 |
|
|
struct serial_struct tmp;
|
| 2768 |
|
|
|
| 2769 |
|
|
if (!retinfo)
|
| 2770 |
|
|
return (-EFAULT);
|
| 2771 |
|
|
memset(&tmp, 0, sizeof(tmp));
|
| 2772 |
|
|
tmp.type = info->type;
|
| 2773 |
|
|
tmp.line = info->port;
|
| 2774 |
|
|
tmp.port = 0;
|
| 2775 |
|
|
tmp.irq = 0;
|
| 2776 |
|
|
tmp.flags = info->asyncflags;
|
| 2777 |
|
|
tmp.baud_base = 921600;
|
| 2778 |
|
|
tmp.close_delay = info->close_delay;
|
| 2779 |
|
|
tmp.closing_wait = info->closing_wait;
|
| 2780 |
|
|
tmp.custom_divisor = 0;
|
| 2781 |
|
|
tmp.hub6 = 0;
|
| 2782 |
|
|
if(copy_to_user(retinfo, &tmp, sizeof(*retinfo)))
|
| 2783 |
|
|
return -EFAULT;
|
| 2784 |
|
|
return (0);
|
| 2785 |
|
|
}
|
| 2786 |
|
|
|
| 2787 |
|
|
|
| 2788 |
|
|
static int moxa_set_serial_info(struct moxa_str *info,
|
| 2789 |
|
|
struct serial_struct *new_info)
|
| 2790 |
|
|
{
|
| 2791 |
|
|
struct serial_struct new_serial;
|
| 2792 |
|
|
|
| 2793 |
|
|
if(copy_from_user(&new_serial, new_info, sizeof(new_serial)))
|
| 2794 |
|
|
return -EFAULT;
|
| 2795 |
|
|
|
| 2796 |
|
|
if ((new_serial.irq != 0) ||
|
| 2797 |
|
|
(new_serial.port != 0) ||
|
| 2798 |
|
|
// (new_serial.type != info->type) ||
|
| 2799 |
|
|
(new_serial.custom_divisor != 0) ||
|
| 2800 |
|
|
(new_serial.baud_base != 921600))
|
| 2801 |
|
|
return (-EPERM);
|
| 2802 |
|
|
|
| 2803 |
|
|
if (!suser()) {
|
| 2804 |
|
|
if (((new_serial.flags & ~ASYNC_USR_MASK) !=
|
| 2805 |
|
|
(info->asyncflags & ~ASYNC_USR_MASK)))
|
| 2806 |
|
|
return (-EPERM);
|
| 2807 |
|
|
} else {
|
| 2808 |
|
|
info->close_delay = new_serial.close_delay * HZ / 100;
|
| 2809 |
|
|
info->closing_wait = new_serial.closing_wait * HZ / 100;
|
| 2810 |
|
|
}
|
| 2811 |
|
|
|
| 2812 |
|
|
new_serial.flags = (new_serial.flags & ~ASYNC_FLAGS);
|
| 2813 |
|
|
new_serial.flags |= (info->asyncflags & ASYNC_FLAGS);
|
| 2814 |
|
|
|
| 2815 |
|
|
if (new_serial.type == PORT_16550A) {
|
| 2816 |
|
|
MoxaSetFifo(info->port, 1);
|
| 2817 |
|
|
} else {
|
| 2818 |
|
|
MoxaSetFifo(info->port, 0);
|
| 2819 |
|
|
}
|
| 2820 |
|
|
|
| 2821 |
|
|
info->type = new_serial.type;
|
| 2822 |
|
|
return (0);
|
| 2823 |
|
|
}
|
| 2824 |
|
|
|
| 2825 |
|
|
|
| 2826 |
|
|
|
| 2827 |
|
|
/*****************************************************************************
|
| 2828 |
|
|
* Static local functions: *
|
| 2829 |
|
|
*****************************************************************************/
|
| 2830 |
|
|
/*
|
| 2831 |
|
|
* moxadelay - delays a specified number ticks
|
| 2832 |
|
|
*/
|
| 2833 |
|
|
static void moxadelay(int tick)
|
| 2834 |
|
|
{
|
| 2835 |
|
|
unsigned long st, et;
|
| 2836 |
|
|
|
| 2837 |
|
|
st = jiffies;
|
| 2838 |
|
|
et = st + tick;
|
| 2839 |
|
|
while (jiffies < et);
|
| 2840 |
|
|
}
|
| 2841 |
|
|
|
| 2842 |
|
|
static void moxafunc(unsigned long ofsAddr, int cmd, ushort arg)
|
| 2843 |
|
|
{
|
| 2844 |
|
|
|
| 2845 |
|
|
writew(arg, ofsAddr + FuncArg);
|
| 2846 |
|
|
writew(cmd, ofsAddr + FuncCode);
|
| 2847 |
|
|
wait_finish(ofsAddr);
|
| 2848 |
|
|
}
|
| 2849 |
|
|
|
| 2850 |
|
|
static void wait_finish(unsigned long ofsAddr)
|
| 2851 |
|
|
{
|
| 2852 |
|
|
unsigned long i, j;
|
| 2853 |
|
|
|
| 2854 |
|
|
i = jiffies;
|
| 2855 |
|
|
while (readw(ofsAddr + FuncCode) != 0) {
|
| 2856 |
|
|
j = jiffies;
|
| 2857 |
|
|
if ((j - i) > moxaFuncTout) {
|
| 2858 |
|
|
return;
|
| 2859 |
|
|
}
|
| 2860 |
|
|
}
|
| 2861 |
|
|
}
|
| 2862 |
|
|
|
| 2863 |
|
|
static void low_water_check(unsigned long ofsAddr)
|
| 2864 |
|
|
{
|
| 2865 |
|
|
int len;
|
| 2866 |
|
|
ushort rptr, wptr, mask;
|
| 2867 |
|
|
|
| 2868 |
|
|
if (readb(ofsAddr + FlagStat) & Xoff_state) {
|
| 2869 |
|
|
rptr = readw(ofsAddr + RXrptr);
|
| 2870 |
|
|
wptr = readw(ofsAddr + RXwptr);
|
| 2871 |
|
|
mask = readw(ofsAddr + RX_mask);
|
| 2872 |
|
|
len = (wptr - rptr) & mask;
|
| 2873 |
|
|
if (len <= Low_water)
|
| 2874 |
|
|
moxafunc(ofsAddr, FC_SendXon, 0);
|
| 2875 |
|
|
}
|
| 2876 |
|
|
}
|
| 2877 |
|
|
|
| 2878 |
|
|
static int moxaloadbios(int cardno, unsigned char *tmp, int len)
|
| 2879 |
|
|
{
|
| 2880 |
|
|
unsigned long baseAddr;
|
| 2881 |
|
|
int i;
|
| 2882 |
|
|
|
| 2883 |
|
|
if(copy_from_user(moxaBuff, tmp, len))
|
| 2884 |
|
|
return -EFAULT;
|
| 2885 |
|
|
baseAddr = moxaBaseAddr[cardno];
|
| 2886 |
|
|
writeb(HW_reset, baseAddr + Control_reg); /* reset */
|
| 2887 |
|
|
moxadelay(1); /* delay 10 ms */
|
| 2888 |
|
|
for (i = 0; i < 4096; i++)
|
| 2889 |
|
|
writeb(0, baseAddr + i); /* clear fix page */
|
| 2890 |
|
|
for (i = 0; i < len; i++)
|
| 2891 |
|
|
writeb(moxaBuff[i], baseAddr + i); /* download BIOS */
|
| 2892 |
|
|
writeb(0, baseAddr + Control_reg); /* restart */
|
| 2893 |
|
|
return (0);
|
| 2894 |
|
|
}
|
| 2895 |
|
|
|
| 2896 |
|
|
static int moxafindcard(int cardno)
|
| 2897 |
|
|
{
|
| 2898 |
|
|
unsigned long baseAddr;
|
| 2899 |
|
|
ushort tmp;
|
| 2900 |
|
|
|
| 2901 |
|
|
baseAddr = moxaBaseAddr[cardno];
|
| 2902 |
|
|
switch (moxa_boards[cardno].boardType) {
|
| 2903 |
|
|
case MOXA_BOARD_C218_ISA:
|
| 2904 |
|
|
case MOXA_BOARD_C218_PCI:
|
| 2905 |
|
|
if ((tmp = readw(baseAddr + C218_key)) != C218_KeyCode) {
|
| 2906 |
|
|
return (-1);
|
| 2907 |
|
|
}
|
| 2908 |
|
|
break;
|
| 2909 |
|
|
case MOXA_BOARD_CP204J:
|
| 2910 |
|
|
if ((tmp = readw(baseAddr + C218_key)) != CP204J_KeyCode) {
|
| 2911 |
|
|
return (-1);
|
| 2912 |
|
|
}
|
| 2913 |
|
|
break;
|
| 2914 |
|
|
default:
|
| 2915 |
|
|
if ((tmp = readw(baseAddr + C320_key)) != C320_KeyCode) {
|
| 2916 |
|
|
return (-1);
|
| 2917 |
|
|
}
|
| 2918 |
|
|
if ((tmp = readw(baseAddr + C320_status)) != STS_init) {
|
| 2919 |
|
|
return (-2);
|
| 2920 |
|
|
}
|
| 2921 |
|
|
}
|
| 2922 |
|
|
return (0);
|
| 2923 |
|
|
}
|
| 2924 |
|
|
|
| 2925 |
|
|
static int moxaload320b(int cardno, unsigned char * tmp, int len)
|
| 2926 |
|
|
{
|
| 2927 |
|
|
unsigned long baseAddr;
|
| 2928 |
|
|
int i;
|
| 2929 |
|
|
|
| 2930 |
|
|
if(len > sizeof(moxaBuff))
|
| 2931 |
|
|
return -EINVAL;
|
| 2932 |
|
|
if(copy_from_user(moxaBuff, tmp, len))
|
| 2933 |
|
|
return -EFAULT;
|
| 2934 |
|
|
baseAddr = moxaBaseAddr[cardno];
|
| 2935 |
|
|
writew(len - 7168 - 2, baseAddr + C320bapi_len);
|
| 2936 |
|
|
writeb(1, baseAddr + Control_reg); /* Select Page 1 */
|
| 2937 |
|
|
for (i = 0; i < 7168; i++)
|
| 2938 |
|
|
writeb(moxaBuff[i], baseAddr + DynPage_addr + i);
|
| 2939 |
|
|
writeb(2, baseAddr + Control_reg); /* Select Page 2 */
|
| 2940 |
|
|
for (i = 0; i < (len - 7168); i++)
|
| 2941 |
|
|
writeb(moxaBuff[i + 7168], baseAddr + DynPage_addr + i);
|
| 2942 |
|
|
return (0);
|
| 2943 |
|
|
}
|
| 2944 |
|
|
|
| 2945 |
|
|
static int moxaloadcode(int cardno, unsigned char * tmp, int len)
|
| 2946 |
|
|
{
|
| 2947 |
|
|
unsigned long baseAddr, ofsAddr;
|
| 2948 |
|
|
int retval, port, i;
|
| 2949 |
|
|
|
| 2950 |
|
|
if(copy_from_user(moxaBuff, tmp, len))
|
| 2951 |
|
|
return -EFAULT;
|
| 2952 |
|
|
baseAddr = moxaBaseAddr[cardno];
|
| 2953 |
|
|
switch (moxa_boards[cardno].boardType) {
|
| 2954 |
|
|
case MOXA_BOARD_C218_ISA:
|
| 2955 |
|
|
case MOXA_BOARD_C218_PCI:
|
| 2956 |
|
|
case MOXA_BOARD_CP204J:
|
| 2957 |
|
|
retval = moxaloadc218(cardno, baseAddr, len);
|
| 2958 |
|
|
if (retval)
|
| 2959 |
|
|
return (retval);
|
| 2960 |
|
|
port = cardno * MAX_PORTS_PER_BOARD;
|
| 2961 |
|
|
for (i = 0; i < moxa_boards[cardno].numPorts; i++, port++) {
|
| 2962 |
|
|
moxaChkPort[port] = 1;
|
| 2963 |
|
|
moxaCurBaud[port] = 9600L;
|
| 2964 |
|
|
moxaDCDState[port] = 0;
|
| 2965 |
|
|
moxaTableAddr[port] = baseAddr + Extern_table + Extern_size * i;
|
| 2966 |
|
|
ofsAddr = moxaTableAddr[port];
|
| 2967 |
|
|
writew(C218rx_mask, ofsAddr + RX_mask);
|
| 2968 |
|
|
writew(C218tx_mask, ofsAddr + TX_mask);
|
| 2969 |
|
|
writew(C218rx_spage + i * C218buf_pageno, ofsAddr + Page_rxb);
|
| 2970 |
|
|
writew(readw(ofsAddr + Page_rxb) + C218rx_pageno, ofsAddr + EndPage_rxb);
|
| 2971 |
|
|
|
| 2972 |
|
|
writew(C218tx_spage + i * C218buf_pageno, ofsAddr + Page_txb);
|
| 2973 |
|
|
writew(readw(ofsAddr + Page_txb) + C218tx_pageno, ofsAddr + EndPage_txb);
|
| 2974 |
|
|
|
| 2975 |
|
|
}
|
| 2976 |
|
|
break;
|
| 2977 |
|
|
default:
|
| 2978 |
|
|
retval = moxaloadc320(cardno, baseAddr, len,
|
| 2979 |
|
|
&moxa_boards[cardno].numPorts);
|
| 2980 |
|
|
if (retval)
|
| 2981 |
|
|
return (retval);
|
| 2982 |
|
|
port = cardno * MAX_PORTS_PER_BOARD;
|
| 2983 |
|
|
for (i = 0; i < moxa_boards[cardno].numPorts; i++, port++) {
|
| 2984 |
|
|
moxaChkPort[port] = 1;
|
| 2985 |
|
|
moxaCurBaud[port] = 9600L;
|
| 2986 |
|
|
moxaDCDState[port] = 0;
|
| 2987 |
|
|
moxaTableAddr[port] = baseAddr + Extern_table + Extern_size * i;
|
| 2988 |
|
|
ofsAddr = moxaTableAddr[port];
|
| 2989 |
|
|
if (moxa_boards[cardno].numPorts == 8) {
|
| 2990 |
|
|
writew(C320p8rx_mask, ofsAddr + RX_mask);
|
| 2991 |
|
|
writew(C320p8tx_mask, ofsAddr + TX_mask);
|
| 2992 |
|
|
writew(C320p8rx_spage + i * C320p8buf_pgno, ofsAddr + Page_rxb);
|
| 2993 |
|
|
writew(readw(ofsAddr + Page_rxb) + C320p8rx_pgno, ofsAddr + EndPage_rxb);
|
| 2994 |
|
|
writew(C320p8tx_spage + i * C320p8buf_pgno, ofsAddr + Page_txb);
|
| 2995 |
|
|
writew(readw(ofsAddr + Page_txb) + C320p8tx_pgno, ofsAddr + EndPage_txb);
|
| 2996 |
|
|
|
| 2997 |
|
|
} else if (moxa_boards[cardno].numPorts == 16) {
|
| 2998 |
|
|
writew(C320p16rx_mask, ofsAddr + RX_mask);
|
| 2999 |
|
|
writew(C320p16tx_mask, ofsAddr + TX_mask);
|
| 3000 |
|
|
writew(C320p16rx_spage + i * C320p16buf_pgno, ofsAddr + Page_rxb);
|
| 3001 |
|
|
writew(readw(ofsAddr + Page_rxb) + C320p16rx_pgno, ofsAddr + EndPage_rxb);
|
| 3002 |
|
|
writew(C320p16tx_spage + i * C320p16buf_pgno, ofsAddr + Page_txb);
|
| 3003 |
|
|
writew(readw(ofsAddr + Page_txb) + C320p16tx_pgno, ofsAddr + EndPage_txb);
|
| 3004 |
|
|
|
| 3005 |
|
|
} else if (moxa_boards[cardno].numPorts == 24) {
|
| 3006 |
|
|
writew(C320p24rx_mask, ofsAddr + RX_mask);
|
| 3007 |
|
|
writew(C320p24tx_mask, ofsAddr + TX_mask);
|
| 3008 |
|
|
writew(C320p24rx_spage + i * C320p24buf_pgno, ofsAddr + Page_rxb);
|
| 3009 |
|
|
writew(readw(ofsAddr + Page_rxb) + C320p24rx_pgno, ofsAddr + EndPage_rxb);
|
| 3010 |
|
|
writew(C320p24tx_spage + i * C320p24buf_pgno, ofsAddr + Page_txb);
|
| 3011 |
|
|
writew(readw(ofsAddr + Page_txb), ofsAddr + EndPage_txb);
|
| 3012 |
|
|
} else if (moxa_boards[cardno].numPorts == 32) {
|
| 3013 |
|
|
writew(C320p32rx_mask, ofsAddr + RX_mask);
|
| 3014 |
|
|
writew(C320p32tx_mask, ofsAddr + TX_mask);
|
| 3015 |
|
|
writew(C320p32tx_ofs, ofsAddr + Ofs_txb);
|
| 3016 |
|
|
writew(C320p32rx_spage + i * C320p32buf_pgno, ofsAddr + Page_rxb);
|
| 3017 |
|
|
writew(readb(ofsAddr + Page_rxb), ofsAddr + EndPage_rxb);
|
| 3018 |
|
|
writew(C320p32tx_spage + i * C320p32buf_pgno, ofsAddr + Page_txb);
|
| 3019 |
|
|
writew(readw(ofsAddr + Page_txb), ofsAddr + EndPage_txb);
|
| 3020 |
|
|
}
|
| 3021 |
|
|
}
|
| 3022 |
|
|
break;
|
| 3023 |
|
|
}
|
| 3024 |
|
|
return (0);
|
| 3025 |
|
|
}
|
| 3026 |
|
|
|
| 3027 |
|
|
static int moxaloadc218(int cardno, unsigned long baseAddr, int len)
|
| 3028 |
|
|
{
|
| 3029 |
|
|
char retry;
|
| 3030 |
|
|
int i, j, len1, len2;
|
| 3031 |
|
|
ushort usum, *ptr, keycode;
|
| 3032 |
|
|
|
| 3033 |
|
|
if (moxa_boards[cardno].boardType == MOXA_BOARD_CP204J)
|
| 3034 |
|
|
keycode = CP204J_KeyCode;
|
| 3035 |
|
|
else
|
| 3036 |
|
|
keycode = C218_KeyCode;
|
| 3037 |
|
|
usum = 0;
|
| 3038 |
|
|
len1 = len >> 1;
|
| 3039 |
|
|
ptr = (ushort *) moxaBuff;
|
| 3040 |
|
|
for (i = 0; i < len1; i++)
|
| 3041 |
|
|
usum += *(ptr + i);
|
| 3042 |
|
|
retry = 0;
|
| 3043 |
|
|
do {
|
| 3044 |
|
|
len1 = len >> 1;
|
| 3045 |
|
|
j = 0;
|
| 3046 |
|
|
while (len1) {
|
| 3047 |
|
|
len2 = (len1 > 2048) ? 2048 : len1;
|
| 3048 |
|
|
len1 -= len2;
|
| 3049 |
|
|
for (i = 0; i < len2 << 1; i++)
|
| 3050 |
|
|
writeb(moxaBuff[i + j], baseAddr + C218_LoadBuf + i);
|
| 3051 |
|
|
j += i;
|
| 3052 |
|
|
|
| 3053 |
|
|
writew(len2, baseAddr + C218DLoad_len);
|
| 3054 |
|
|
writew(0, baseAddr + C218_key);
|
| 3055 |
|
|
for (i = 0; i < 100; i++) {
|
| 3056 |
|
|
if (readw(baseAddr + C218_key) == keycode)
|
| 3057 |
|
|
break;
|
| 3058 |
|
|
moxadelay(1); /* delay 10 ms */
|
| 3059 |
|
|
}
|
| 3060 |
|
|
if (readw(baseAddr + C218_key) != keycode) {
|
| 3061 |
|
|
return (-1);
|
| 3062 |
|
|
}
|
| 3063 |
|
|
}
|
| 3064 |
|
|
writew(0, baseAddr + C218DLoad_len);
|
| 3065 |
|
|
writew(usum, baseAddr + C218check_sum);
|
| 3066 |
|
|
writew(0, baseAddr + C218_key);
|
| 3067 |
|
|
for (i = 0; i < 100; i++) {
|
| 3068 |
|
|
if (readw(baseAddr + C218_key) == keycode)
|
| 3069 |
|
|
break;
|
| 3070 |
|
|
moxadelay(1); /* delay 10 ms */
|
| 3071 |
|
|
}
|
| 3072 |
|
|
retry++;
|
| 3073 |
|
|
} while ((readb(baseAddr + C218chksum_ok) != 1) && (retry < 3));
|
| 3074 |
|
|
if (readb(baseAddr + C218chksum_ok) != 1) {
|
| 3075 |
|
|
return (-1);
|
| 3076 |
|
|
}
|
| 3077 |
|
|
writew(0, baseAddr + C218_key);
|
| 3078 |
|
|
for (i = 0; i < 100; i++) {
|
| 3079 |
|
|
if (readw(baseAddr + Magic_no) == Magic_code)
|
| 3080 |
|
|
break;
|
| 3081 |
|
|
moxadelay(1); /* delay 10 ms */
|
| 3082 |
|
|
}
|
| 3083 |
|
|
if (readw(baseAddr + Magic_no) != Magic_code) {
|
| 3084 |
|
|
return (-1);
|
| 3085 |
|
|
}
|
| 3086 |
|
|
writew(1, baseAddr + Disable_IRQ);
|
| 3087 |
|
|
writew(0, baseAddr + Magic_no);
|
| 3088 |
|
|
for (i = 0; i < 100; i++) {
|
| 3089 |
|
|
if (readw(baseAddr + Magic_no) == Magic_code)
|
| 3090 |
|
|
break;
|
| 3091 |
|
|
moxadelay(1); /* delay 10 ms */
|
| 3092 |
|
|
}
|
| 3093 |
|
|
if (readw(baseAddr + Magic_no) != Magic_code) {
|
| 3094 |
|
|
return (-1);
|
| 3095 |
|
|
}
|
| 3096 |
|
|
moxaCard = 1;
|
| 3097 |
|
|
moxaIntNdx[cardno] = baseAddr + IRQindex;
|
| 3098 |
|
|
moxaIntPend[cardno] = baseAddr + IRQpending;
|
| 3099 |
|
|
moxaIntTable[cardno] = baseAddr + IRQtable;
|
| 3100 |
|
|
return (0);
|
| 3101 |
|
|
}
|
| 3102 |
|
|
|
| 3103 |
|
|
static int moxaloadc320(int cardno, unsigned long baseAddr, int len, int *numPorts)
|
| 3104 |
|
|
{
|
| 3105 |
|
|
ushort usum;
|
| 3106 |
|
|
int i, j, wlen, len2, retry;
|
| 3107 |
|
|
ushort *uptr;
|
| 3108 |
|
|
|
| 3109 |
|
|
usum = 0;
|
| 3110 |
|
|
wlen = len >> 1;
|
| 3111 |
|
|
uptr = (ushort *) moxaBuff;
|
| 3112 |
|
|
for (i = 0; i < wlen; i++)
|
| 3113 |
|
|
usum += uptr[i];
|
| 3114 |
|
|
retry = 0;
|
| 3115 |
|
|
j = 0;
|
| 3116 |
|
|
do {
|
| 3117 |
|
|
while (wlen) {
|
| 3118 |
|
|
if (wlen > 2048)
|
| 3119 |
|
|
len2 = 2048;
|
| 3120 |
|
|
else
|
| 3121 |
|
|
len2 = wlen;
|
| 3122 |
|
|
wlen -= len2;
|
| 3123 |
|
|
len2 <<= 1;
|
| 3124 |
|
|
for (i = 0; i < len2; i++)
|
| 3125 |
|
|
writeb(moxaBuff[j + i], baseAddr + C320_LoadBuf + i);
|
| 3126 |
|
|
len2 >>= 1;
|
| 3127 |
|
|
j += i;
|
| 3128 |
|
|
writew(len2, baseAddr + C320DLoad_len);
|
| 3129 |
|
|
writew(0, baseAddr + C320_key);
|
| 3130 |
|
|
for (i = 0; i < 10; i++) {
|
| 3131 |
|
|
if (readw(baseAddr + C320_key) == C320_KeyCode)
|
| 3132 |
|
|
break;
|
| 3133 |
|
|
moxadelay(1);
|
| 3134 |
|
|
}
|
| 3135 |
|
|
if (readw(baseAddr + C320_key) != C320_KeyCode)
|
| 3136 |
|
|
return (-1);
|
| 3137 |
|
|
}
|
| 3138 |
|
|
writew(0, baseAddr + C320DLoad_len);
|
| 3139 |
|
|
writew(usum, baseAddr + C320check_sum);
|
| 3140 |
|
|
writew(0, baseAddr + C320_key);
|
| 3141 |
|
|
for (i = 0; i < 10; i++) {
|
| 3142 |
|
|
if (readw(baseAddr + C320_key) == C320_KeyCode)
|
| 3143 |
|
|
break;
|
| 3144 |
|
|
moxadelay(1);
|
| 3145 |
|
|
}
|
| 3146 |
|
|
retry++;
|
| 3147 |
|
|
} while ((readb(baseAddr + C320chksum_ok) != 1) && (retry < 3));
|
| 3148 |
|
|
if (readb(baseAddr + C320chksum_ok) != 1)
|
| 3149 |
|
|
return (-1);
|
| 3150 |
|
|
writew(0, baseAddr + C320_key);
|
| 3151 |
|
|
for (i = 0; i < 600; i++) {
|
| 3152 |
|
|
if (readw(baseAddr + Magic_no) == Magic_code)
|
| 3153 |
|
|
break;
|
| 3154 |
|
|
moxadelay(1);
|
| 3155 |
|
|
}
|
| 3156 |
|
|
if (readw(baseAddr + Magic_no) != Magic_code)
|
| 3157 |
|
|
return (-100);
|
| 3158 |
|
|
|
| 3159 |
|
|
if (moxa_boards[cardno].busType == MOXA_BUS_TYPE_PCI) { /* ASIC board */
|
| 3160 |
|
|
writew(0x3800, baseAddr + TMS320_PORT1);
|
| 3161 |
|
|
writew(0x3900, baseAddr + TMS320_PORT2);
|
| 3162 |
|
|
writew(28499, baseAddr + TMS320_CLOCK);
|
| 3163 |
|
|
} else {
|
| 3164 |
|
|
writew(0x3200, baseAddr + TMS320_PORT1);
|
| 3165 |
|
|
writew(0x3400, baseAddr + TMS320_PORT2);
|
| 3166 |
|
|
writew(19999, baseAddr + TMS320_CLOCK);
|
| 3167 |
|
|
}
|
| 3168 |
|
|
writew(1, baseAddr + Disable_IRQ);
|
| 3169 |
|
|
writew(0, baseAddr + Magic_no);
|
| 3170 |
|
|
for (i = 0; i < 500; i++) {
|
| 3171 |
|
|
if (readw(baseAddr + Magic_no) == Magic_code)
|
| 3172 |
|
|
break;
|
| 3173 |
|
|
moxadelay(1);
|
| 3174 |
|
|
}
|
| 3175 |
|
|
if (readw(baseAddr + Magic_no) != Magic_code)
|
| 3176 |
|
|
return (-102);
|
| 3177 |
|
|
|
| 3178 |
|
|
j = readw(baseAddr + Module_cnt);
|
| 3179 |
|
|
if (j <= 0)
|
| 3180 |
|
|
return (-101);
|
| 3181 |
|
|
*numPorts = j * 8;
|
| 3182 |
|
|
writew(j, baseAddr + Module_no);
|
| 3183 |
|
|
writew(0, baseAddr + Magic_no);
|
| 3184 |
|
|
for (i = 0; i < 600; i++) {
|
| 3185 |
|
|
if (readw(baseAddr + Magic_no) == Magic_code)
|
| 3186 |
|
|
break;
|
| 3187 |
|
|
moxadelay(1);
|
| 3188 |
|
|
}
|
| 3189 |
|
|
if (readw(baseAddr + Magic_no) != Magic_code)
|
| 3190 |
|
|
return (-102);
|
| 3191 |
|
|
moxaCard = 1;
|
| 3192 |
|
|
moxaIntNdx[cardno] = baseAddr + IRQindex;
|
| 3193 |
|
|
moxaIntPend[cardno] = baseAddr + IRQpending;
|
| 3194 |
|
|
moxaIntTable[cardno] = baseAddr + IRQtable;
|
| 3195 |
|
|
return (0);
|
| 3196 |
|
|
}
|
| 3197 |
|
|
|
| 3198 |
|
|
long MoxaPortGetCurBaud(int port)
|
| 3199 |
|
|
{
|
| 3200 |
|
|
|
| 3201 |
|
|
if (moxaChkPort[port] == 0)
|
| 3202 |
|
|
return (0);
|
| 3203 |
|
|
return (moxaCurBaud[port]);
|
| 3204 |
|
|
}
|
| 3205 |
|
|
|
| 3206 |
|
|
static void MoxaSetFifo(int port, int enable)
|
| 3207 |
|
|
{
|
| 3208 |
|
|
unsigned long ofsAddr = moxaTableAddr[port];
|
| 3209 |
|
|
|
| 3210 |
|
|
if (!enable) {
|
| 3211 |
|
|
moxafunc(ofsAddr, FC_SetRxFIFOTrig, 0);
|
| 3212 |
|
|
moxafunc(ofsAddr, FC_SetTxFIFOCnt, 1);
|
| 3213 |
|
|
} else {
|
| 3214 |
|
|
moxafunc(ofsAddr, FC_SetRxFIFOTrig, 3);
|
| 3215 |
|
|
moxafunc(ofsAddr, FC_SetTxFIFOCnt, 16);
|
| 3216 |
|
|
}
|
| 3217 |
|
|
}
|
| 3218 |
|
|
|
| 3219 |
|
|
#if 0
|
| 3220 |
|
|
int MoxaPortSetMode(int port, int databits, int stopbits, int parity)
|
| 3221 |
|
|
{
|
| 3222 |
|
|
unsigned long ofsAddr;
|
| 3223 |
|
|
int val;
|
| 3224 |
|
|
|
| 3225 |
|
|
val = 0;
|
| 3226 |
|
|
switch (databits) {
|
| 3227 |
|
|
case 5:
|
| 3228 |
|
|
val |= 0;
|
| 3229 |
|
|
break;
|
| 3230 |
|
|
case 6:
|
| 3231 |
|
|
val |= 1;
|
| 3232 |
|
|
break;
|
| 3233 |
|
|
case 7:
|
| 3234 |
|
|
val |= 2;
|
| 3235 |
|
|
break;
|
| 3236 |
|
|
case 8:
|
| 3237 |
|
|
val |= 3;
|
| 3238 |
|
|
break;
|
| 3239 |
|
|
default:
|
| 3240 |
|
|
return (-1);
|
| 3241 |
|
|
}
|
| 3242 |
|
|
switch (stopbits) {
|
| 3243 |
|
|
case 0:
|
| 3244 |
|
|
val |= 0;
|
| 3245 |
|
|
break; /* stop bits 1.5 */
|
| 3246 |
|
|
case 1:
|
| 3247 |
|
|
val |= 0;
|
| 3248 |
|
|
break;
|
| 3249 |
|
|
case 2:
|
| 3250 |
|
|
val |= 4;
|
| 3251 |
|
|
break;
|
| 3252 |
|
|
default:
|
| 3253 |
|
|
return (-1);
|
| 3254 |
|
|
}
|
| 3255 |
|
|
switch (parity) {
|
| 3256 |
|
|
case 0:
|
| 3257 |
|
|
val |= 0x00;
|
| 3258 |
|
|
break; /* None */
|
| 3259 |
|
|
case 1:
|
| 3260 |
|
|
val |= 0x08;
|
| 3261 |
|
|
break; /* Odd */
|
| 3262 |
|
|
case 2:
|
| 3263 |
|
|
val |= 0x18;
|
| 3264 |
|
|
break; /* Even */
|
| 3265 |
|
|
case 3:
|
| 3266 |
|
|
val |= 0x28;
|
| 3267 |
|
|
break; /* Mark */
|
| 3268 |
|
|
case 4:
|
| 3269 |
|
|
val |= 0x38;
|
| 3270 |
|
|
break; /* Space */
|
| 3271 |
|
|
default:
|
| 3272 |
|
|
return (-1);
|
| 3273 |
|
|
}
|
| 3274 |
|
|
ofsAddr = moxaTableAddr[port];
|
| 3275 |
|
|
moxafunc(ofsAddr, FC_SetMode, val);
|
| 3276 |
|
|
return (0);
|
| 3277 |
|
|
}
|
| 3278 |
|
|
|
| 3279 |
|
|
int MoxaPortTxBufSize(int port)
|
| 3280 |
|
|
{
|
| 3281 |
|
|
unsigned long ofsAddr;
|
| 3282 |
|
|
int size;
|
| 3283 |
|
|
|
| 3284 |
|
|
ofsAddr = moxaTableAddr[port];
|
| 3285 |
|
|
size = readw(ofsAddr + TX_mask);
|
| 3286 |
|
|
return (size);
|
| 3287 |
|
|
}
|
| 3288 |
|
|
|
| 3289 |
|
|
int MoxaPortRxBufSize(int port)
|
| 3290 |
|
|
{
|
| 3291 |
|
|
unsigned long ofsAddr;
|
| 3292 |
|
|
int size;
|
| 3293 |
|
|
|
| 3294 |
|
|
ofsAddr = moxaTableAddr[port];
|
| 3295 |
|
|
size = readw(ofsAddr + RX_mask);
|
| 3296 |
|
|
return (size);
|
| 3297 |
|
|
}
|
| 3298 |
|
|
|
| 3299 |
|
|
int MoxaPortRxFree(int port)
|
| 3300 |
|
|
{
|
| 3301 |
|
|
unsigned long ofsAddr;
|
| 3302 |
|
|
ushort rptr, wptr, mask;
|
| 3303 |
|
|
int len;
|
| 3304 |
|
|
|
| 3305 |
|
|
ofsAddr = moxaTableAddr[port];
|
| 3306 |
|
|
rptr = readw(ofsAddr + RXrptr);
|
| 3307 |
|
|
wptr = readw(ofsAddr + RXwptr);
|
| 3308 |
|
|
mask = readw(ofsAddr + RX_mask);
|
| 3309 |
|
|
len = mask - ((wptr - rptr) & mask);
|
| 3310 |
|
|
return (len);
|
| 3311 |
|
|
}
|
| 3312 |
|
|
int MoxaPortGetBrkCnt(int port)
|
| 3313 |
|
|
{
|
| 3314 |
|
|
return (moxaBreakCnt[port]);
|
| 3315 |
|
|
}
|
| 3316 |
|
|
|
| 3317 |
|
|
void MoxaPortSetXonXoff(int port, int xonValue, int xoffValue)
|
| 3318 |
|
|
{
|
| 3319 |
|
|
unsigned long ofsAddr;
|
| 3320 |
|
|
|
| 3321 |
|
|
ofsAddr = moxaTableAddr[port];
|
| 3322 |
|
|
writew(xonValue, ofsAddr + FuncArg);
|
| 3323 |
|
|
writew(xoffValue, ofsAddr + FuncArg1);
|
| 3324 |
|
|
writew(FC_SetXonXoff, ofsAddr + FuncCode);
|
| 3325 |
|
|
wait_finish(ofsAddr);
|
| 3326 |
|
|
}
|
| 3327 |
|
|
|
| 3328 |
|
|
int MoxaPortIsTxHold(int port)
|
| 3329 |
|
|
{
|
| 3330 |
|
|
unsigned long ofsAddr;
|
| 3331 |
|
|
int val;
|
| 3332 |
|
|
|
| 3333 |
|
|
ofsAddr = moxaTableAddr[port];
|
| 3334 |
|
|
if ((moxa_boards[port / MAX_PORTS_PER_BOARD].boardType == MOXA_BOARD_C320_ISA) ||
|
| 3335 |
|
|
(moxa_boards[port / MAX_PORTS_PER_BOARD].boardType == MOXA_BOARD_C320_PCI)) {
|
| 3336 |
|
|
moxafunc(ofsAddr, FC_GetCCSR, 0);
|
| 3337 |
|
|
val = readw(ofsAddr + FuncArg);
|
| 3338 |
|
|
if (val & 0x04)
|
| 3339 |
|
|
return (1);
|
| 3340 |
|
|
} else {
|
| 3341 |
|
|
if (readw(ofsAddr + FlagStat) & Tx_flowOff)
|
| 3342 |
|
|
return (1);
|
| 3343 |
|
|
}
|
| 3344 |
|
|
return (0);
|
| 3345 |
|
|
}
|
| 3346 |
|
|
#endif
|
