moxa.c revision 8f8ecbad09b48e5fe44a8d7f5344e802e9c231c8
11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/*****************************************************************************/ 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 31da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * moxa.c -- MOXA Intellio family multiport serial driver. 41da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 51da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Copyright (C) 1999-2000 Moxa Technologies (support@moxa.com.tw). 61da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 71da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This code is loosely based on the Linux serial driver, written by 81da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Linus Torvalds, Theodore T'so and others. 91da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This program is free software; you can redistribute it and/or modify 111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * it under the terms of the GNU General Public License as published by 121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the Free Software Foundation; either version 2 of the License, or 131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * (at your option) any later version. 141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * MOXA Intellio Series Driver 181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * for : LINUX 191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * date : 1999/1/7 201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * version : 5.1 211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/module.h> 241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/types.h> 251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/mm.h> 261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/ioport.h> 271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/errno.h> 281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/signal.h> 291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/sched.h> 301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/timer.h> 311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/interrupt.h> 321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/tty.h> 331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/tty_flip.h> 341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/major.h> 351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/string.h> 361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/fcntl.h> 371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/ptrace.h> 381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/serial.h> 391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/tty_driver.h> 401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/delay.h> 411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/pci.h> 421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/init.h> 431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/bitops.h> 441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/system.h> 461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/io.h> 471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/uaccess.h> 481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4911324edd4ad34981764b25bed44d46a1507b62e1Jiri Slaby#define MOXA_VERSION "5.1k" 501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5111324edd4ad34981764b25bed44d46a1507b62e1Jiri Slaby#define MOXAMAJOR 172 5211324edd4ad34981764b25bed44d46a1507b62e1Jiri Slaby#define MOXACUMAJOR 173 531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5411324edd4ad34981764b25bed44d46a1507b62e1Jiri Slaby#define MAX_BOARDS 4 /* Don't change this value */ 551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MAX_PORTS_PER_BOARD 32 /* Don't change this value */ 5611324edd4ad34981764b25bed44d46a1507b62e1Jiri Slaby#define MAX_PORTS (MAX_BOARDS * MAX_PORTS_PER_BOARD) 571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Define the Moxa PCI vendor and device IDs. 601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 6111324edd4ad34981764b25bed44d46a1507b62e1Jiri Slaby#define MOXA_BUS_TYPE_ISA 0 6211324edd4ad34981764b25bed44d46a1507b62e1Jiri Slaby#define MOXA_BUS_TYPE_PCI 1 631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsenum { 651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MOXA_BOARD_C218_PCI = 1, 661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MOXA_BOARD_C218_ISA, 671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MOXA_BOARD_C320_PCI, 681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MOXA_BOARD_C320_ISA, 691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MOXA_BOARD_CP204J, 701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic char *moxa_brdname[] = 731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "C218 Turbo PCI series", 751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "C218 Turbo ISA series", 761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "C320 Turbo PCI series", 771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "C320 Turbo ISA series", 781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "CP-204J series", 791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_PCI 821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct pci_device_id moxa_pcibrds[] = { 835ebb4078af0dab866fdf57f84f72b9e9a7e8c6b8Jiri Slaby { PCI_DEVICE(PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_C218), 845ebb4078af0dab866fdf57f84f72b9e9a7e8c6b8Jiri Slaby .driver_data = MOXA_BOARD_C218_PCI }, 855ebb4078af0dab866fdf57f84f72b9e9a7e8c6b8Jiri Slaby { PCI_DEVICE(PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_C320), 865ebb4078af0dab866fdf57f84f72b9e9a7e8c6b8Jiri Slaby .driver_data = MOXA_BOARD_C320_PCI }, 875ebb4078af0dab866fdf57f84f72b9e9a7e8c6b8Jiri Slaby { PCI_DEVICE(PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP204J), 885ebb4078af0dab866fdf57f84f72b9e9a7e8c6b8Jiri Slaby .driver_data = MOXA_BOARD_CP204J }, 891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 0 } 901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_DEVICE_TABLE(pci, moxa_pcibrds); 921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif /* CONFIG_PCI */ 931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 949dff89cd82af7bccc706fed288b1c33a51c3b937Jiri Slabystruct moxa_isa_board_conf { 951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int boardType; 961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int numPorts; 971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long baseAddr; 989dff89cd82af7bccc706fed288b1c33a51c3b937Jiri Slaby}; 991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1009dff89cd82af7bccc706fed288b1c33a51c3b937Jiri Slabystatic struct moxa_isa_board_conf moxa_isa_boards[] = 1011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* {MOXA_BOARD_C218_ISA,8,0xDC000}, */ 1031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 1041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1058f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slabystatic struct moxa_board_conf { 1061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int boardType; 1071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int numPorts; 1081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long baseAddr; 1091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int busType; 110889074ee0be9cc6c2a698d95db4d0927485ec139Jiri Slaby struct pci_dev *pdev; 1118f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby 1128f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby int loadstat; 1138f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby 1148f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby void __iomem *basemem; 1158f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby void __iomem *intNdx; 1168f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby void __iomem *intPend; 1178f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby void __iomem *intTable; 1188f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby} moxa_boards[MAX_BOARDS]; 1198f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby 1208f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slabystruct mxser_mstatus { 1218f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby tcflag_t cflag; 1228f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby int cts; 1238f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby int dsr; 1248f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby int ri; 1258f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby int dcd; 1269dff89cd82af7bccc706fed288b1c33a51c3b937Jiri Slaby}; 1271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1288f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slabystruct moxaq_str { 1298f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby int inq; 1308f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby int outq; 1318f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby}; 1321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1338f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slabystruct moxa_port { 1341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int type; 1351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int port; 1361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int close_delay; 1371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned short closing_wait; 1381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int count; 1391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int blocked_open; 1401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds long event; /* long req'd for set_bit --RR */ 1411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int asyncflags; 1421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long statusflags; 1431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct tty_struct *tty; 1441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int cflag; 1451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds wait_queue_head_t open_wait; 1461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds wait_queue_head_t close_wait; 1471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1488f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby struct timer_list emptyTimer; 1498f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby struct mxser_mstatus GMStatus; 1508f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby struct moxaq_str temp_queue; 1511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1528f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby char chkPort; 1538f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby char lineCtrl; 1548f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby void __iomem *tableAddr; 1558f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby long curBaud; 1568f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby char DCDState; 1578f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby char lowChkFlag; 1588f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby 1598f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby ushort breakCnt; 1608f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby}; 1611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* statusflags */ 1631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define TXSTOPPED 0x1 1641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define LOWWAIT 0x2 1651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define EMPTYWAIT 0x4 1661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define THROTTLE 0x8 1671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SERIAL_DO_RESTART 1691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WAKEUP_CHARS 256 1711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int verbose = 0; 1731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int ttymajor = MOXAMAJOR; 1741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Variables for insmod */ 1751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef MODULE 1769fa372a850b9ffcb177eb9ac0b75963b2f9af233Jiri Slabystatic int baseaddr[4]; 1779fa372a850b9ffcb177eb9ac0b75963b2f9af233Jiri Slabystatic int type[4]; 1789fa372a850b9ffcb177eb9ac0b75963b2f9af233Jiri Slabystatic int numports[4]; 1791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 1801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_AUTHOR("William Chen"); 1821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_DESCRIPTION("MOXA Intellio Family Multiport Board Device Driver"); 1831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_LICENSE("GPL"); 1841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef MODULE 1851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsmodule_param_array(type, int, NULL, 0); 1861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsmodule_param_array(baseaddr, int, NULL, 0); 1871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsmodule_param_array(numports, int, NULL, 0); 1881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 1891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsmodule_param(ttymajor, int, 0); 1901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsmodule_param(verbose, bool, 0644); 1911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 1931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * static functions: 1941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int moxa_open(struct tty_struct *, struct file *); 1961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void moxa_close(struct tty_struct *, struct file *); 1971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int moxa_write(struct tty_struct *, const unsigned char *, int); 1981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int moxa_write_room(struct tty_struct *); 1991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void moxa_flush_buffer(struct tty_struct *); 2001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int moxa_chars_in_buffer(struct tty_struct *); 2011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void moxa_flush_chars(struct tty_struct *); 2021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void moxa_put_char(struct tty_struct *, unsigned char); 2031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int moxa_ioctl(struct tty_struct *, struct file *, unsigned int, unsigned long); 2041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void moxa_throttle(struct tty_struct *); 2051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void moxa_unthrottle(struct tty_struct *); 206606d099cdd1080bbb50ea50dc52d98252f8f10a1Alan Coxstatic void moxa_set_termios(struct tty_struct *, struct ktermios *); 2071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void moxa_stop(struct tty_struct *); 2081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void moxa_start(struct tty_struct *); 2091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void moxa_hangup(struct tty_struct *); 2101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int moxa_tiocmget(struct tty_struct *tty, struct file *file); 2111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int moxa_tiocmset(struct tty_struct *tty, struct file *file, 2121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int set, unsigned int clear); 2131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void moxa_poll(unsigned long); 2141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void set_tty_param(struct tty_struct *); 2151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int block_till_ready(struct tty_struct *, struct file *, 2168f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby struct moxa_port *); 2171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void setup_empty_event(struct tty_struct *); 2181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void check_xmit_empty(unsigned long); 2198f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slabystatic void shut_down(struct moxa_port *); 2208f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slabystatic void receive_data(struct moxa_port *); 2211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 2221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * moxa board interface functions: 2231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 2241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void MoxaDriverInit(void); 2251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int MoxaDriverIoctl(unsigned int, unsigned long, int); 2261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int MoxaDriverPoll(void); 2271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int MoxaPortsOfCard(int); 2281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int MoxaPortIsValid(int); 2291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void MoxaPortEnable(int); 2301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void MoxaPortDisable(int); 2311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic long MoxaPortGetMaxBaud(int); 2321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic long MoxaPortSetBaud(int, long); 233606d099cdd1080bbb50ea50dc52d98252f8f10a1Alan Coxstatic int MoxaPortSetTermio(int, struct ktermios *, speed_t); 2341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int MoxaPortGetLineOut(int, int *, int *); 2351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void MoxaPortLineCtrl(int, int, int); 2361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void MoxaPortFlowCtrl(int, int, int, int, int, int); 2371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int MoxaPortLineStatus(int); 2381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int MoxaPortDCDChange(int); 2391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int MoxaPortDCDON(int); 2401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void MoxaPortFlushData(int, int); 2411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int MoxaPortWriteData(int, unsigned char *, int); 24233f0f88f1c51ae5c2d593d26960c760ea154c2e2Alan Coxstatic int MoxaPortReadData(int, struct tty_struct *tty); 2431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int MoxaPortTxQueue(int); 2441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int MoxaPortRxQueue(int); 2451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int MoxaPortTxFree(int); 2461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void MoxaPortTxDisable(int); 2471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void MoxaPortTxEnable(int); 2481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int MoxaPortResetBrkCnt(int); 2491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void MoxaPortSendBreak(int, int); 2508f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slabystatic int moxa_get_serial_info(struct moxa_port *, struct serial_struct __user *); 2518f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slabystatic int moxa_set_serial_info(struct moxa_port *, struct serial_struct __user *); 2521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void MoxaSetFifo(int port, int enable); 2531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 254b68e31d0ebbcc909d1941f9f230c9d062a3a13d3Jeff Dikestatic const struct tty_operations moxa_ops = { 2551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .open = moxa_open, 2561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .close = moxa_close, 2571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .write = moxa_write, 2581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .write_room = moxa_write_room, 2591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .flush_buffer = moxa_flush_buffer, 2601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .chars_in_buffer = moxa_chars_in_buffer, 2611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .flush_chars = moxa_flush_chars, 2621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .put_char = moxa_put_char, 2631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .ioctl = moxa_ioctl, 2641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .throttle = moxa_throttle, 2651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .unthrottle = moxa_unthrottle, 2661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .set_termios = moxa_set_termios, 2671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .stop = moxa_stop, 2681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .start = moxa_start, 2691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .hangup = moxa_hangup, 2701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .tiocmget = moxa_tiocmget, 2711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .tiocmset = moxa_tiocmset, 2721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 2731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 274aa7e5221fb47badbea618cc62704d6e4a4bcce15Jiri Slabystatic struct tty_driver *moxaDriver; 2758f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slabystatic struct moxa_port moxa_ports[MAX_PORTS]; 276aa7e5221fb47badbea618cc62704d6e4a4bcce15Jiri Slabystatic DEFINE_TIMER(moxaTimer, moxa_poll, 0, 0); 27734af946a22724c4e2b204957f2b24b22a0fb121cIngo Molnarstatic DEFINE_SPINLOCK(moxa_lock); 27833f0f88f1c51ae5c2d593d26960c760ea154c2e2Alan Cox 2791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_PCI 2809dff89cd82af7bccc706fed288b1c33a51c3b937Jiri Slabystatic int moxa_get_PCI_conf(struct pci_dev *p, int board_type, 2819dff89cd82af7bccc706fed288b1c33a51c3b937Jiri Slaby struct moxa_board_conf *board) 2821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds board->baseAddr = pci_resource_start (p, 2); 2841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds board->boardType = board_type; 2851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (board_type) { 2861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case MOXA_BOARD_C218_ISA: 2871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case MOXA_BOARD_C218_PCI: 2881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds board->numPorts = 8; 2891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case MOXA_BOARD_CP204J: 2921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds board->numPorts = 4; 2931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 2951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds board->numPorts = 0; 2961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds board->busType = MOXA_BUS_TYPE_PCI; 29986fbf1486a44a4bce4fdcbe3665a7d8a62ba958aJiri Slaby /* don't lose the reference in the next pci_get_device iteration */ 300889074ee0be9cc6c2a698d95db4d0927485ec139Jiri Slaby board->pdev = pci_dev_get(p); 3011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (0); 3031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif /* CONFIG_PCI */ 3051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int __init moxa_init(void) 3071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i, numBoards; 3098f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby struct moxa_port *ch; 3101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_INFO "MOXA Intellio family driver version %s\n", MOXA_VERSION); 3121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxaDriver = alloc_tty_driver(MAX_PORTS + 1); 3131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!moxaDriver) 3141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -ENOMEM; 3151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxaDriver->owner = THIS_MODULE; 3179b4e3b13b147e9b737de63188a9ae740eaa8c36dSergey Vlasov moxaDriver->name = "ttyMX"; 3181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxaDriver->major = ttymajor; 3191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxaDriver->minor_start = 0; 3201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxaDriver->type = TTY_DRIVER_TYPE_SERIAL; 3211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxaDriver->subtype = SERIAL_TYPE_NORMAL; 3221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxaDriver->init_termios = tty_std_termios; 3231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxaDriver->init_termios.c_cflag = B9600 | CS8 | CREAD | CLOCAL | HUPCL; 324606d099cdd1080bbb50ea50dc52d98252f8f10a1Alan Cox moxaDriver->init_termios.c_ispeed = 9600; 325606d099cdd1080bbb50ea50dc52d98252f8f10a1Alan Cox moxaDriver->init_termios.c_ospeed = 9600; 3261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxaDriver->flags = TTY_DRIVER_REAL_RAW; 3271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tty_set_operations(moxaDriver, &moxa_ops); 3281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3298f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby for (i = 0, ch = moxa_ports; i < MAX_PORTS; i++, ch++) { 3301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ch->type = PORT_16550A; 3311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ch->port = i; 3321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ch->close_delay = 5 * HZ / 10; 3331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ch->closing_wait = 30 * HZ; 3341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ch->cflag = B9600 | CS8 | CREAD | CLOCAL | HUPCL; 3351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds init_waitqueue_head(&ch->open_wait); 3361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds init_waitqueue_head(&ch->close_wait); 3378f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby 3388f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby setup_timer(&ch->emptyTimer, check_xmit_empty, 3398f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby (unsigned long)ch); 3401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("Tty devices major number = %d\n", ttymajor); 3431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (tty_register_driver(moxaDriver)) { 3451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_ERR "Couldn't install MOXA Smartio family driver !\n"); 3461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds put_tty_driver(moxaDriver); 3471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -1; 3481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 350aa7e5221fb47badbea618cc62704d6e4a4bcce15Jiri Slaby mod_timer(&moxaTimer, jiffies + HZ / 50); 3511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Find the boards defined in source code */ 3531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds numBoards = 0; 3541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < MAX_BOARDS; i++) { 3551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((moxa_isa_boards[i].boardType == MOXA_BOARD_C218_ISA) || 3561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (moxa_isa_boards[i].boardType == MOXA_BOARD_C320_ISA)) { 3571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxa_boards[numBoards].boardType = moxa_isa_boards[i].boardType; 3581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (moxa_isa_boards[i].boardType == MOXA_BOARD_C218_ISA) 3591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxa_boards[numBoards].numPorts = 8; 3601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 3611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxa_boards[numBoards].numPorts = moxa_isa_boards[i].numPorts; 3621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxa_boards[numBoards].busType = MOXA_BUS_TYPE_ISA; 3631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxa_boards[numBoards].baseAddr = moxa_isa_boards[i].baseAddr; 3641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (verbose) 3651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("Board %2d: %s board(baseAddr=%lx)\n", 3661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds numBoards + 1, 3671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxa_brdname[moxa_boards[numBoards].boardType - 1], 3681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxa_boards[numBoards].baseAddr); 3691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds numBoards++; 3701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Find the boards defined form module args. */ 3731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef MODULE 3741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < MAX_BOARDS; i++) { 3751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((type[i] == MOXA_BOARD_C218_ISA) || 3761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (type[i] == MOXA_BOARD_C320_ISA)) { 3771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (verbose) 3781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("Board %2d: %s board(baseAddr=%lx)\n", 3791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds numBoards + 1, 3801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxa_brdname[type[i] - 1], 3811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (unsigned long) baseaddr[i]); 3821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (numBoards >= MAX_BOARDS) { 3831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (verbose) 3841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("More than %d MOXA Intellio family boards found. Board is ignored.", MAX_BOARDS); 3851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds continue; 3861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxa_boards[numBoards].boardType = type[i]; 3881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (moxa_isa_boards[i].boardType == MOXA_BOARD_C218_ISA) 3891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxa_boards[numBoards].numPorts = 8; 3901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 3911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxa_boards[numBoards].numPorts = numports[i]; 3921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxa_boards[numBoards].busType = MOXA_BUS_TYPE_ISA; 3931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxa_boards[numBoards].baseAddr = baseaddr[i]; 3941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds numBoards++; 3951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 3981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Find PCI boards here */ 3991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_PCI 4001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 4011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct pci_dev *p = NULL; 402fe971071a89c5c5184fc9f3482c7a8e997cf0520Tobias Klauser int n = ARRAY_SIZE(moxa_pcibrds) - 1; 4031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i = 0; 4041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while (i < n) { 405881a8c120acf7ec09c90289e2996b7c70f51e996Amit Gud while ((p = pci_get_device(moxa_pcibrds[i].vendor, moxa_pcibrds[i].device, p))!=NULL) 4061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 4071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (pci_enable_device(p)) 4081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds continue; 4091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (numBoards >= MAX_BOARDS) { 4101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (verbose) 4111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("More than %d MOXA Intellio family boards found. Board is ignored.", MAX_BOARDS); 4121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 4131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxa_get_PCI_conf(p, moxa_pcibrds[i].driver_data, 4141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds &moxa_boards[numBoards]); 4151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds numBoards++; 4161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i++; 4191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 4221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < numBoards; i++) { 4238f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby moxa_boards[i].basemem = ioremap(moxa_boards[i].baseAddr, 4248f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby 0x4000); 4251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (0); 4281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void __exit moxa_exit(void) 4311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i; 4331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (verbose) 4351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("Unloading module moxa ...\n"); 4361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 437c251ae0d7514563c7fdace0d390175454761228bJiri Slaby del_timer_sync(&moxaTimer); 4381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < MAX_PORTS; i++) 4408f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby del_timer_sync(&moxa_ports[i].emptyTimer); 4411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (tty_unregister_driver(moxaDriver)) 4431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("Couldn't unregister MOXA Intellio family serial driver\n"); 4441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds put_tty_driver(moxaDriver); 44586fbf1486a44a4bce4fdcbe3665a7d8a62ba958aJiri Slaby 44641bdabbb6d951cf4a9fbfe33783749b87662b02dAmol Lad for (i = 0; i < MAX_BOARDS; i++) { 4478f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby if (moxa_boards[i].basemem) 4488f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby iounmap(moxa_boards[i].basemem); 44986fbf1486a44a4bce4fdcbe3665a7d8a62ba958aJiri Slaby if (moxa_boards[i].busType == MOXA_BUS_TYPE_PCI) 450889074ee0be9cc6c2a698d95db4d0927485ec139Jiri Slaby pci_dev_put(moxa_boards[i].pdev); 45141bdabbb6d951cf4a9fbfe33783749b87662b02dAmol Lad } 45286fbf1486a44a4bce4fdcbe3665a7d8a62ba958aJiri Slaby 4531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (verbose) 4541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("Done\n"); 4551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsmodule_init(moxa_init); 4581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsmodule_exit(moxa_exit); 4591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int moxa_open(struct tty_struct *tty, struct file *filp) 4611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4628f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby struct moxa_port *ch; 4631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int port; 4641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int retval; 4651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 46611324edd4ad34981764b25bed44d46a1507b62e1Jiri Slaby port = tty->index; 4671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (port == MAX_PORTS) { 4681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (0); 4691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!MoxaPortIsValid(port)) { 4711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tty->driver_data = NULL; 4721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (-ENODEV); 4731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4758f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby ch = &moxa_ports[port]; 4761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ch->count++; 4771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tty->driver_data = ch; 4781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ch->tty = tty; 4791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!(ch->asyncflags & ASYNC_INITIALIZED)) { 4801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ch->statusflags = 0; 4811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds set_tty_param(tty); 4821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MoxaPortLineCtrl(ch->port, 1, 1); 4831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MoxaPortEnable(ch->port); 4841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ch->asyncflags |= ASYNC_INITIALIZED; 4851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds retval = block_till_ready(tty, filp, ch); 4871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxa_unthrottle(tty); 4891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ch->type == PORT_16550A) { 4911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MoxaSetFifo(ch->port, 1); 4921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 4931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MoxaSetFifo(ch->port, 0); 4941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (retval); 4971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void moxa_close(struct tty_struct *tty, struct file *filp) 5001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5018f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby struct moxa_port *ch; 5021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int port; 5031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 50411324edd4ad34981764b25bed44d46a1507b62e1Jiri Slaby port = tty->index; 5051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (port == MAX_PORTS) { 5061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 5071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!MoxaPortIsValid(port)) { 5091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef SERIAL_DEBUG_CLOSE 5101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("Invalid portno in moxa_close\n"); 5111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 5121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tty->driver_data = NULL; 5131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 5141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (tty->driver_data == NULL) { 5161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 5171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (tty_hung_up_p(filp)) { 5191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 5201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5218f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby ch = (struct moxa_port *) tty->driver_data; 5221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((tty->count == 1) && (ch->count != 1)) { 5241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("moxa_close: bad serial port count; tty->count is 1, " 5251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "ch->count is %d\n", ch->count); 5261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ch->count = 1; 5271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (--ch->count < 0) { 5291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("moxa_close: bad serial port count, device=%s\n", 5301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tty->name); 5311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ch->count = 0; 5321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ch->count) { 5341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 5351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ch->asyncflags |= ASYNC_CLOSING; 5371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ch->cflag = tty->termios->c_cflag; 5391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ch->asyncflags & ASYNC_INITIALIZED) { 5401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds setup_empty_event(tty); 5411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tty_wait_until_sent(tty, 30 * HZ); /* 30 seconds timeout */ 5428f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby del_timer_sync(&moxa_ports[ch->port].emptyTimer); 5431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds shut_down(ch); 5451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MoxaPortFlushData(port, 2); 5461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (tty->driver->flush_buffer) 5481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tty->driver->flush_buffer(tty); 5491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tty_ldisc_flush(tty); 5501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tty->closing = 0; 5521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ch->event = 0; 5531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ch->tty = NULL; 5541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ch->blocked_open) { 5551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ch->close_delay) { 5561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds msleep_interruptible(jiffies_to_msecs(ch->close_delay)); 5571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds wake_up_interruptible(&ch->open_wait); 5591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ch->asyncflags &= ~(ASYNC_NORMAL_ACTIVE | ASYNC_CLOSING); 5611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds wake_up_interruptible(&ch->close_wait); 5621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int moxa_write(struct tty_struct *tty, 5651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds const unsigned char *buf, int count) 5661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5678f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby struct moxa_port *ch; 5681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int len, port; 5691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long flags; 5701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5718f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby ch = (struct moxa_port *) tty->driver_data; 5721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ch == NULL) 5731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (0); 5741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds port = ch->port; 57533f0f88f1c51ae5c2d593d26960c760ea154c2e2Alan Cox 57633f0f88f1c51ae5c2d593d26960c760ea154c2e2Alan Cox spin_lock_irqsave(&moxa_lock, flags); 5771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len = MoxaPortWriteData(port, (unsigned char *) buf, count); 57833f0f88f1c51ae5c2d593d26960c760ea154c2e2Alan Cox spin_unlock_irqrestore(&moxa_lock, flags); 5791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /********************************************* 5811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ( !(ch->statusflags & LOWWAIT) && 5821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ((len != count) || (MoxaPortTxFree(port) <= 100)) ) 5831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ************************************************/ 5841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ch->statusflags |= LOWWAIT; 5851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (len); 5861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int moxa_write_room(struct tty_struct *tty) 5891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5908f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby struct moxa_port *ch; 5911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (tty->stopped) 5931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (0); 5948f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby ch = (struct moxa_port *) tty->driver_data; 5951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ch == NULL) 5961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (0); 5971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (MoxaPortTxFree(ch->port)); 5981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void moxa_flush_buffer(struct tty_struct *tty) 6011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 6028f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby struct moxa_port *ch = (struct moxa_port *) tty->driver_data; 6031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ch == NULL) 6051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 6061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MoxaPortFlushData(ch->port, 1); 6071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tty_wakeup(tty); 6081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int moxa_chars_in_buffer(struct tty_struct *tty) 6111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 6121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int chars; 6138f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby struct moxa_port *ch = (struct moxa_port *) tty->driver_data; 6141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 6161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Sigh...I have to check if driver_data is NULL here, because 6171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * if an open() fails, the TTY subsystem eventually calls 6181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * tty_wait_until_sent(), which calls the driver's chars_in_buffer() 6191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * routine. And since the open() failed, we return 0 here. TDJ 6201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 6211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ch == NULL) 6221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (0); 6231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds chars = MoxaPortTxQueue(ch->port); 6241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (chars) { 6251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 6261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Make it possible to wakeup anything waiting for output 6271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * in tty_ioctl.c, etc. 6281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 6291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!(ch->statusflags & EMPTYWAIT)) 6301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds setup_empty_event(tty); 6311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (chars); 6331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void moxa_flush_chars(struct tty_struct *tty) 6361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 6371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 6381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Don't think I need this, because this is called to empty the TX 6391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * buffer for the 16450, 16550, etc. 6401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 6411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void moxa_put_char(struct tty_struct *tty, unsigned char c) 6441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 6458f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby struct moxa_port *ch; 6461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int port; 6471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long flags; 6481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6498f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby ch = (struct moxa_port *) tty->driver_data; 6501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ch == NULL) 6511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 6521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds port = ch->port; 65333f0f88f1c51ae5c2d593d26960c760ea154c2e2Alan Cox spin_lock_irqsave(&moxa_lock, flags); 654f204d2672044f0f7061d645f0f59f8535b63d106Jiri Slaby MoxaPortWriteData(port, &c, 1); 65533f0f88f1c51ae5c2d593d26960c760ea154c2e2Alan Cox spin_unlock_irqrestore(&moxa_lock, flags); 6561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /************************************************ 6571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ( !(ch->statusflags & LOWWAIT) && (MoxaPortTxFree(port) <= 100) ) 6581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *************************************************/ 6591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ch->statusflags |= LOWWAIT; 6601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int moxa_tiocmget(struct tty_struct *tty, struct file *file) 6631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 6648f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby struct moxa_port *ch = (struct moxa_port *) tty->driver_data; 6651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int port; 6661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int flag = 0, dtr, rts; 6671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 66811324edd4ad34981764b25bed44d46a1507b62e1Jiri Slaby port = tty->index; 6691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((port != MAX_PORTS) && (!ch)) 6701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (-EINVAL); 6711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MoxaPortGetLineOut(ch->port, &dtr, &rts); 6731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (dtr) 6741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds flag |= TIOCM_DTR; 6751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (rts) 6761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds flag |= TIOCM_RTS; 6771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dtr = MoxaPortLineStatus(ch->port); 6781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (dtr & 1) 6791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds flag |= TIOCM_CTS; 6801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (dtr & 2) 6811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds flag |= TIOCM_DSR; 6821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (dtr & 4) 6831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds flag |= TIOCM_CD; 6841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return flag; 6851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int moxa_tiocmset(struct tty_struct *tty, struct file *file, 6881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int set, unsigned int clear) 6891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 6908f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby struct moxa_port *ch = (struct moxa_port *) tty->driver_data; 6911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int port; 6921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int dtr, rts; 6931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 69411324edd4ad34981764b25bed44d46a1507b62e1Jiri Slaby port = tty->index; 6951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((port != MAX_PORTS) && (!ch)) 6961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (-EINVAL); 6971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MoxaPortGetLineOut(ch->port, &dtr, &rts); 6991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (set & TIOCM_RTS) 7001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rts = 1; 7011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (set & TIOCM_DTR) 7021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dtr = 1; 7031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (clear & TIOCM_RTS) 7041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rts = 0; 7051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (clear & TIOCM_DTR) 7061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dtr = 0; 7071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MoxaPortLineCtrl(ch->port, dtr, rts); 7081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 7091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 7101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int moxa_ioctl(struct tty_struct *tty, struct file *file, 7121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int cmd, unsigned long arg) 7131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 7148f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby struct moxa_port *ch = (struct moxa_port *) tty->driver_data; 7151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds register int port; 7161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void __user *argp = (void __user *)arg; 7171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int retval; 7181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 71911324edd4ad34981764b25bed44d46a1507b62e1Jiri Slaby port = tty->index; 7201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((port != MAX_PORTS) && (!ch)) 7211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (-EINVAL); 7221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (cmd) { 7241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case TCSBRK: /* SVID version: non-zero arg --> no break */ 7251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds retval = tty_check_change(tty); 7261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (retval) 7271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (retval); 7281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds setup_empty_event(tty); 7291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tty_wait_until_sent(tty, 0); 7301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!arg) 7311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MoxaPortSendBreak(ch->port, 0); 7321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (0); 7331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case TCSBRKP: /* support for POSIX tcsendbreak() */ 7341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds retval = tty_check_change(tty); 7351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (retval) 7361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (retval); 7371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds setup_empty_event(tty); 7381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tty_wait_until_sent(tty, 0); 7391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MoxaPortSendBreak(ch->port, arg); 7401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (0); 7411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case TIOCGSOFTCAR: 7421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return put_user(C_CLOCAL(tty) ? 1 : 0, (unsigned long __user *) argp); 7431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case TIOCSSOFTCAR: 7441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if(get_user(retval, (unsigned long __user *) argp)) 7451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EFAULT; 7461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds arg = retval; 7471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tty->termios->c_cflag = ((tty->termios->c_cflag & ~CLOCAL) | 7481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (arg ? CLOCAL : 0)); 7491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (C_CLOCAL(tty)) 7501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ch->asyncflags &= ~ASYNC_CHECK_CD; 7511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 7521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ch->asyncflags |= ASYNC_CHECK_CD; 7531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (0); 7541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case TIOCGSERIAL: 7551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return moxa_get_serial_info(ch, argp); 7561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case TIOCSSERIAL: 7581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return moxa_set_serial_info(ch, argp); 7591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 7601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds retval = MoxaDriverIoctl(cmd, arg, port); 7611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (retval); 7631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 7641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void moxa_throttle(struct tty_struct *tty) 7661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 7678f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby struct moxa_port *ch = (struct moxa_port *) tty->driver_data; 7681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ch->statusflags |= THROTTLE; 7701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 7711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void moxa_unthrottle(struct tty_struct *tty) 7731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 7748f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby struct moxa_port *ch = (struct moxa_port *) tty->driver_data; 7751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ch->statusflags &= ~THROTTLE; 7771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 7781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void moxa_set_termios(struct tty_struct *tty, 780606d099cdd1080bbb50ea50dc52d98252f8f10a1Alan Cox struct ktermios *old_termios) 7811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 7828f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby struct moxa_port *ch = (struct moxa_port *) tty->driver_data; 7831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ch == NULL) 7851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 7861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds set_tty_param(tty); 7871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!(old_termios->c_cflag & CLOCAL) && 7881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (tty->termios->c_cflag & CLOCAL)) 7891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds wake_up_interruptible(&ch->open_wait); 7901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 7911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void moxa_stop(struct tty_struct *tty) 7931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 7948f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby struct moxa_port *ch = (struct moxa_port *) tty->driver_data; 7951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ch == NULL) 7971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 7981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MoxaPortTxDisable(ch->port); 7991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ch->statusflags |= TXSTOPPED; 8001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 8011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void moxa_start(struct tty_struct *tty) 8041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 8058f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby struct moxa_port *ch = (struct moxa_port *) tty->driver_data; 8061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ch == NULL) 8081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 8091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!(ch->statusflags & TXSTOPPED)) 8111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 8121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MoxaPortTxEnable(ch->port); 8141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ch->statusflags &= ~TXSTOPPED; 8151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 8161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void moxa_hangup(struct tty_struct *tty) 8181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 8198f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby struct moxa_port *ch = (struct moxa_port *) tty->driver_data; 8201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxa_flush_buffer(tty); 8221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds shut_down(ch); 8231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ch->event = 0; 8241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ch->count = 0; 8251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ch->asyncflags &= ~ASYNC_NORMAL_ACTIVE; 8261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ch->tty = NULL; 8271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds wake_up_interruptible(&ch->open_wait); 8281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 8291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void moxa_poll(unsigned long ignored) 8311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 8321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds register int card; 8338f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby struct moxa_port *ch; 8341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct tty_struct *tp; 8351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i, ports; 8361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds del_timer(&moxaTimer); 8381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (MoxaDriverPoll() < 0) { 840aa7e5221fb47badbea618cc62704d6e4a4bcce15Jiri Slaby mod_timer(&moxaTimer, jiffies + HZ / 50); 8411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 8421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (card = 0; card < MAX_BOARDS; card++) { 8441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((ports = MoxaPortsOfCard(card)) <= 0) 8451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds continue; 8468f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby ch = &moxa_ports[card * MAX_PORTS_PER_BOARD]; 8471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < ports; i++, ch++) { 8481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((ch->asyncflags & ASYNC_INITIALIZED) == 0) 8491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds continue; 8501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!(ch->statusflags & THROTTLE) && 8511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (MoxaPortRxQueue(ch->port) > 0)) 8521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds receive_data(ch); 8531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((tp = ch->tty) == 0) 8541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds continue; 8551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ch->statusflags & LOWWAIT) { 8561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (MoxaPortTxQueue(ch->port) <= WAKEUP_CHARS) { 8571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!tp->stopped) { 8581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ch->statusflags &= ~LOWWAIT; 8591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tty_wakeup(tp); 8601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!I_IGNBRK(tp) && (MoxaPortResetBrkCnt(ch->port) > 0)) { 8641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tty_insert_flip_char(tp, 0, TTY_BREAK); 8651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tty_schedule_flip(tp); 8661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (MoxaPortDCDChange(ch->port)) { 8681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ch->asyncflags & ASYNC_CHECK_CD) { 8691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (MoxaPortDCDON(ch->port)) 8701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds wake_up_interruptible(&ch->open_wait); 8711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else { 872ba196df3d6432c5c20429e8e447c5db7abedb8f3Jiri Slaby tty_hangup(tp); 873ba196df3d6432c5c20429e8e447c5db7abedb8f3Jiri Slaby wake_up_interruptible(&ch->open_wait); 874ba196df3d6432c5c20429e8e447c5db7abedb8f3Jiri Slaby ch->asyncflags &= ~ASYNC_NORMAL_ACTIVE; 8751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 881aa7e5221fb47badbea618cc62704d6e4a4bcce15Jiri Slaby mod_timer(&moxaTimer, jiffies + HZ / 50); 8821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 8831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/******************************************************************************/ 8851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void set_tty_param(struct tty_struct *tty) 8871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 888606d099cdd1080bbb50ea50dc52d98252f8f10a1Alan Cox register struct ktermios *ts; 8898f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby struct moxa_port *ch; 8901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int rts, cts, txflow, rxflow, xany; 8911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8928f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby ch = (struct moxa_port *) tty->driver_data; 8931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ts = tty->termios; 8941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ts->c_cflag & CLOCAL) 8951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ch->asyncflags &= ~ASYNC_CHECK_CD; 8961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 8971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ch->asyncflags |= ASYNC_CHECK_CD; 8981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rts = cts = txflow = rxflow = xany = 0; 8991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ts->c_cflag & CRTSCTS) 9001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rts = cts = 1; 9011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ts->c_iflag & IXON) 9021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds txflow = 1; 9031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ts->c_iflag & IXOFF) 9041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rxflow = 1; 9051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ts->c_iflag & IXANY) 9061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds xany = 1; 9071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MoxaPortFlowCtrl(ch->port, rts, cts, txflow, rxflow, xany); 908c7bce3097c0f9bbed76ee6fd03742f2624031a45Alan Cox MoxaPortSetTermio(ch->port, ts, tty_get_baud_rate(tty)); 9091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 9101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int block_till_ready(struct tty_struct *tty, struct file *filp, 9128f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby struct moxa_port *ch) 9131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 9141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DECLARE_WAITQUEUE(wait,current); 9151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long flags; 9161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int retval; 9171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int do_clocal = C_CLOCAL(tty); 9181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 9201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * If the device is in the middle of being closed, then block 9211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * until it's done, and then try again. 9221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 9231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (tty_hung_up_p(filp) || (ch->asyncflags & ASYNC_CLOSING)) { 9241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ch->asyncflags & ASYNC_CLOSING) 9251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds interruptible_sleep_on(&ch->close_wait); 9261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef SERIAL_DO_RESTART 9271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ch->asyncflags & ASYNC_HUP_NOTIFY) 9281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (-EAGAIN); 9291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 9301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (-ERESTARTSYS); 9311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else 9321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (-EAGAIN); 9331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 9341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 9361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * If non-blocking mode is set, then make the check up front 9371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * and then exit. 9381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 9391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (filp->f_flags & O_NONBLOCK) { 9401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ch->asyncflags |= ASYNC_NORMAL_ACTIVE; 9411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (0); 9421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 9441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Block waiting for the carrier detect and the line to become free 9451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 9461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds retval = 0; 9471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds add_wait_queue(&ch->open_wait, &wait); 9481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef SERIAL_DEBUG_OPEN 9491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("block_til_ready before block: ttys%d, count = %d\n", 9501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ch->line, ch->count); 9511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 95233f0f88f1c51ae5c2d593d26960c760ea154c2e2Alan Cox spin_lock_irqsave(&moxa_lock, flags); 9531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!tty_hung_up_p(filp)) 9541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ch->count--; 9551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ch->blocked_open++; 95633f0f88f1c51ae5c2d593d26960c760ea154c2e2Alan Cox spin_unlock_irqrestore(&moxa_lock, flags); 95733f0f88f1c51ae5c2d593d26960c760ea154c2e2Alan Cox 9581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while (1) { 9591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds set_current_state(TASK_INTERRUPTIBLE); 9601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (tty_hung_up_p(filp) || 9611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds !(ch->asyncflags & ASYNC_INITIALIZED)) { 9621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef SERIAL_DO_RESTART 9631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ch->asyncflags & ASYNC_HUP_NOTIFY) 9641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds retval = -EAGAIN; 9651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 9661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds retval = -ERESTARTSYS; 9671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else 9681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds retval = -EAGAIN; 9691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 9701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 9711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!(ch->asyncflags & ASYNC_CLOSING) && (do_clocal || 9731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MoxaPortDCDON(ch->port))) 9741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 9751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (signal_pending(current)) { 9771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds retval = -ERESTARTSYS; 9781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 9791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds schedule(); 9811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds set_current_state(TASK_RUNNING); 9831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds remove_wait_queue(&ch->open_wait, &wait); 98433f0f88f1c51ae5c2d593d26960c760ea154c2e2Alan Cox 98533f0f88f1c51ae5c2d593d26960c760ea154c2e2Alan Cox spin_lock_irqsave(&moxa_lock, flags); 9861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!tty_hung_up_p(filp)) 9871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ch->count++; 9881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ch->blocked_open--; 98933f0f88f1c51ae5c2d593d26960c760ea154c2e2Alan Cox spin_unlock_irqrestore(&moxa_lock, flags); 9901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef SERIAL_DEBUG_OPEN 9911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("block_til_ready after blocking: ttys%d, count = %d\n", 9921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ch->line, ch->count); 9931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 9941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (retval) 9951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (retval); 99633f0f88f1c51ae5c2d593d26960c760ea154c2e2Alan Cox /* FIXME: review to see if we need to use set_bit on these */ 9971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ch->asyncflags |= ASYNC_NORMAL_ACTIVE; 99833f0f88f1c51ae5c2d593d26960c760ea154c2e2Alan Cox return 0; 9991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 10001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void setup_empty_event(struct tty_struct *tty) 10021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 10038f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby struct moxa_port *ch = tty->driver_data; 10041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long flags; 10051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 100633f0f88f1c51ae5c2d593d26960c760ea154c2e2Alan Cox spin_lock_irqsave(&moxa_lock, flags); 10071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ch->statusflags |= EMPTYWAIT; 10088f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby mod_timer(&moxa_ports[ch->port].emptyTimer, jiffies + HZ); 100933f0f88f1c51ae5c2d593d26960c760ea154c2e2Alan Cox spin_unlock_irqrestore(&moxa_lock, flags); 10101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 10111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void check_xmit_empty(unsigned long data) 10131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 10148f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby struct moxa_port *ch; 10151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10168f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby ch = (struct moxa_port *) data; 10178f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby del_timer_sync(&moxa_ports[ch->port].emptyTimer); 10181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ch->tty && (ch->statusflags & EMPTYWAIT)) { 10191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (MoxaPortTxQueue(ch->port) == 0) { 10201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ch->statusflags &= ~EMPTYWAIT; 10211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tty_wakeup(ch->tty); 10221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 10231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 10248f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby mod_timer(&moxa_ports[ch->port].emptyTimer, jiffies + HZ); 10251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else 10261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ch->statusflags &= ~EMPTYWAIT; 10271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 10281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10298f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slabystatic void shut_down(struct moxa_port *ch) 10301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 10311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct tty_struct *tp; 10321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!(ch->asyncflags & ASYNC_INITIALIZED)) 10341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 10351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tp = ch->tty; 10371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MoxaPortDisable(ch->port); 10391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 10411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * If we're a modem control device and HUPCL is on, drop RTS & DTR. 10421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 10431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (tp->termios->c_cflag & HUPCL) 10441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MoxaPortLineCtrl(ch->port, 0, 0); 10451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ch->asyncflags &= ~ASYNC_INITIALIZED; 10471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 10481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10498f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slabystatic void receive_data(struct moxa_port *ch) 10501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 10511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct tty_struct *tp; 1052606d099cdd1080bbb50ea50dc52d98252f8f10a1Alan Cox struct ktermios *ts; 10531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long flags; 10541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ts = NULL; 10561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tp = ch->tty; 10571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (tp) 10581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ts = tp->termios; 10591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /************************************************** 10601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ( !tp || !ts || !(ts->c_cflag & CREAD) ) { 10611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *****************************************************/ 10621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!tp || !ts) { 10631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MoxaPortFlushData(ch->port, 0); 10641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 10651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 106633f0f88f1c51ae5c2d593d26960c760ea154c2e2Alan Cox spin_lock_irqsave(&moxa_lock, flags); 106733f0f88f1c51ae5c2d593d26960c760ea154c2e2Alan Cox MoxaPortReadData(ch->port, tp); 106833f0f88f1c51ae5c2d593d26960c760ea154c2e2Alan Cox spin_unlock_irqrestore(&moxa_lock, flags); 106933f0f88f1c51ae5c2d593d26960c760ea154c2e2Alan Cox tty_schedule_flip(tp); 10701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 10711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define Magic_code 0x404 10731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 10751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * System Configuration 10761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 10771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 10781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * for C218 BIOS initialization 10791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 10801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C218_ConfBase 0x800 10811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C218_status (C218_ConfBase + 0) /* BIOS running status */ 10821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C218_diag (C218_ConfBase + 2) /* diagnostic status */ 10831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C218_key (C218_ConfBase + 4) /* WORD (0x218 for C218) */ 10841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C218DLoad_len (C218_ConfBase + 6) /* WORD */ 10851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C218check_sum (C218_ConfBase + 8) /* BYTE */ 10861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C218chksum_ok (C218_ConfBase + 0x0a) /* BYTE (1:ok) */ 10871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C218_TestRx (C218_ConfBase + 0x10) /* 8 bytes for 8 ports */ 10881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C218_TestTx (C218_ConfBase + 0x18) /* 8 bytes for 8 ports */ 10891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C218_RXerr (C218_ConfBase + 0x20) /* 8 bytes for 8 ports */ 10901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C218_ErrFlag (C218_ConfBase + 0x28) /* 8 bytes for 8 ports */ 10911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C218_LoadBuf 0x0F00 10931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C218_KeyCode 0x218 10941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CP204J_KeyCode 0x204 10951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 10971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * for C320 BIOS initialization 10981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 10991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C320_ConfBase 0x800 11001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C320_LoadBuf 0x0f00 11011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define STS_init 0x05 /* for C320_status */ 11021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C320_status C320_ConfBase + 0 /* BIOS running status */ 11041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C320_diag C320_ConfBase + 2 /* diagnostic status */ 11051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C320_key C320_ConfBase + 4 /* WORD (0320H for C320) */ 11061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C320DLoad_len C320_ConfBase + 6 /* WORD */ 11071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C320check_sum C320_ConfBase + 8 /* WORD */ 11081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C320chksum_ok C320_ConfBase + 0x0a /* WORD (1:ok) */ 11091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C320bapi_len C320_ConfBase + 0x0c /* WORD */ 11101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C320UART_no C320_ConfBase + 0x0e /* WORD */ 11111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C320_KeyCode 0x320 11131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FixPage_addr 0x0000 /* starting addr of static page */ 11151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DynPage_addr 0x2000 /* starting addr of dynamic page */ 11161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C218_start 0x3000 /* starting addr of C218 BIOS prg */ 11171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define Control_reg 0x1ff0 /* select page and reset control */ 11181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define HW_reset 0x80 11191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 11211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Function Codes 11221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 11231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_CardReset 0x80 11241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_ChannelReset 1 /* C320 firmware not supported */ 11251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_EnableCH 2 11261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_DisableCH 3 11271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_SetParam 4 11281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_SetMode 5 11291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_SetRate 6 11301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_LineControl 7 11311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_LineStatus 8 11321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_XmitControl 9 11331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_FlushQueue 10 11341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_SendBreak 11 11351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_StopBreak 12 11361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_LoopbackON 13 11371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_LoopbackOFF 14 11381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_ClrIrqTable 15 11391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_SendXon 16 11401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_SetTermIrq 17 /* C320 firmware not supported */ 11411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_SetCntIrq 18 /* C320 firmware not supported */ 11421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_SetBreakIrq 19 11431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_SetLineIrq 20 11441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_SetFlowCtl 21 11451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_GenIrq 22 11461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_InCD180 23 11471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_OutCD180 24 11481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_InUARTreg 23 11491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_OutUARTreg 24 11501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_SetXonXoff 25 11511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_OutCD180CCR 26 11521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_ExtIQueue 27 11531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_ExtOQueue 28 11541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_ClrLineIrq 29 11551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_HWFlowCtl 30 11561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_GetClockRate 35 11571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_SetBaud 36 11581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_SetDataMode 41 11591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_GetCCSR 43 11601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_GetDataError 45 11611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_RxControl 50 11621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_ImmSend 51 11631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_SetXonState 52 11641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_SetXoffState 53 11651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_SetRxFIFOTrig 54 11661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_SetTxFIFOCnt 55 11671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_UnixRate 56 11681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_UnixResetTimer 57 11691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define RxFIFOTrig1 0 11711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define RxFIFOTrig4 1 11721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define RxFIFOTrig8 2 11731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define RxFIFOTrig14 3 11741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 11761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Dual-Ported RAM 11771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 11781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DRAM_global 0 11791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define INT_data (DRAM_global + 0) 11801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define Config_base (DRAM_global + 0x108) 11811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define IRQindex (INT_data + 0) 11831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define IRQpending (INT_data + 4) 11841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define IRQtable (INT_data + 8) 11851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 11871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Interrupt Status 11881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 11891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define IntrRx 0x01 /* receiver data O.K. */ 11901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define IntrTx 0x02 /* transmit buffer empty */ 11911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define IntrFunc 0x04 /* function complete */ 11921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define IntrBreak 0x08 /* received break */ 11931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define IntrLine 0x10 /* line status change 11941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for transmitter */ 11951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define IntrIntr 0x20 /* received INTR code */ 11961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define IntrQuit 0x40 /* received QUIT code */ 11971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define IntrEOF 0x80 /* received EOF code */ 11981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define IntrRxTrigger 0x100 /* rx data count reach tigger value */ 12001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define IntrTxTrigger 0x200 /* tx data count below trigger value */ 12011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define Magic_no (Config_base + 0) 12031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define Card_model_no (Config_base + 2) 12041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define Total_ports (Config_base + 4) 12051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define Module_cnt (Config_base + 8) 12061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define Module_no (Config_base + 10) 12071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define Timer_10ms (Config_base + 14) 12081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define Disable_IRQ (Config_base + 20) 12091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define TMS320_PORT1 (Config_base + 22) 12101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define TMS320_PORT2 (Config_base + 24) 12111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define TMS320_CLOCK (Config_base + 26) 12121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 12141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * DATA BUFFER in DRAM 12151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 12161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define Extern_table 0x400 /* Base address of the external table 12171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (24 words * 64) total 3K bytes 12181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (24 words * 128) total 6K bytes */ 12191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define Extern_size 0x60 /* 96 bytes */ 12201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define RXrptr 0x00 /* read pointer for RX buffer */ 12211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define RXwptr 0x02 /* write pointer for RX buffer */ 12221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define TXrptr 0x04 /* read pointer for TX buffer */ 12231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define TXwptr 0x06 /* write pointer for TX buffer */ 12241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define HostStat 0x08 /* IRQ flag and general flag */ 12251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FlagStat 0x0A 12261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FlowControl 0x0C /* B7 B6 B5 B4 B3 B2 B1 B0 */ 12271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* x x x x | | | | */ 12281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* | | | + CTS flow */ 12291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* | | +--- RTS flow */ 12301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* | +------ TX Xon/Xoff */ 12311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* +--------- RX Xon/Xoff */ 12321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define Break_cnt 0x0E /* received break count */ 12331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CD180TXirq 0x10 /* if non-0: enable TX irq */ 12341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define RX_mask 0x12 12351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define TX_mask 0x14 12361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define Ofs_rxb 0x16 12371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define Ofs_txb 0x18 12381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define Page_rxb 0x1A 12391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define Page_txb 0x1C 12401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define EndPage_rxb 0x1E 12411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define EndPage_txb 0x20 12421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define Data_error 0x22 12431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define RxTrigger 0x28 12441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define TxTrigger 0x2a 12451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define rRXwptr 0x34 12471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define Low_water 0x36 12481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FuncCode 0x40 12501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FuncArg 0x42 12511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FuncArg1 0x44 12521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C218rx_size 0x2000 /* 8K bytes */ 12541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C218tx_size 0x8000 /* 32K bytes */ 12551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C218rx_mask (C218rx_size - 1) 12571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C218tx_mask (C218tx_size - 1) 12581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C320p8rx_size 0x2000 12601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C320p8tx_size 0x8000 12611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C320p8rx_mask (C320p8rx_size - 1) 12621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C320p8tx_mask (C320p8tx_size - 1) 12631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C320p16rx_size 0x2000 12651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C320p16tx_size 0x4000 12661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C320p16rx_mask (C320p16rx_size - 1) 12671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C320p16tx_mask (C320p16tx_size - 1) 12681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C320p24rx_size 0x2000 12701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C320p24tx_size 0x2000 12711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C320p24rx_mask (C320p24rx_size - 1) 12721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C320p24tx_mask (C320p24tx_size - 1) 12731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C320p32rx_size 0x1000 12751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C320p32tx_size 0x1000 12761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C320p32rx_mask (C320p32rx_size - 1) 12771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C320p32tx_mask (C320p32tx_size - 1) 12781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define Page_size 0x2000 12801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define Page_mask (Page_size - 1) 12811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C218rx_spage 3 12821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C218tx_spage 4 12831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C218rx_pageno 1 12841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C218tx_pageno 4 12851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C218buf_pageno 5 12861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C320p8rx_spage 3 12881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C320p8tx_spage 4 12891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C320p8rx_pgno 1 12901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C320p8tx_pgno 4 12911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C320p8buf_pgno 5 12921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C320p16rx_spage 3 12941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C320p16tx_spage 4 12951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C320p16rx_pgno 1 12961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C320p16tx_pgno 2 12971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C320p16buf_pgno 3 12981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C320p24rx_spage 3 13001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C320p24tx_spage 4 13011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C320p24rx_pgno 1 13021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C320p24tx_pgno 1 13031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C320p24buf_pgno 2 13041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C320p32rx_spage 3 13061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C320p32tx_ofs C320p32rx_size 13071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C320p32tx_spage 3 13081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C320p32buf_pgno 1 13091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 13111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Host Status 13121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 13131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WakeupRx 0x01 13141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WakeupTx 0x02 13151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WakeupBreak 0x08 13161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WakeupLine 0x10 13171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WakeupIntr 0x20 13181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WakeupQuit 0x40 13191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WakeupEOF 0x80 /* used in VTIME control */ 13201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WakeupRxTrigger 0x100 13211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WakeupTxTrigger 0x200 13221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 13231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Flag status 13241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 13251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define Rx_over 0x01 13261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define Xoff_state 0x02 13271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define Tx_flowOff 0x04 13281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define Tx_enable 0x08 13291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CTS_state 0x10 13301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DSR_state 0x20 13311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DCD_state 0x80 13321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 13331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * FlowControl 13341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 13351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CTS_FlowCtl 1 13361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define RTS_FlowCtl 2 13371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define Tx_FlowCtl 4 13381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define Rx_FlowCtl 8 13391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define IXM_IXANY 0x10 13401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define LowWater 128 13421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DTR_ON 1 13441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define RTS_ON 2 13451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CTS_ON 1 13461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DSR_ON 2 13471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DCD_ON 8 13481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* mode definition */ 13501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MX_CS8 0x03 13511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MX_CS7 0x02 13521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MX_CS6 0x01 13531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MX_CS5 0x00 13541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MX_STOP1 0x00 13561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MX_STOP15 0x04 13571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MX_STOP2 0x08 13581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MX_PARNONE 0x00 13601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MX_PAREVEN 0x40 13611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MX_PARODD 0xC0 13621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 13641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Query 13651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 13661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct mon_str { 13681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int tick; 13691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int rxcnt[MAX_PORTS]; 13701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int txcnt[MAX_PORTS]; 13711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 13721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DCD_changed 0x01 13741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DCD_oldstate 0x80 13751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic unsigned char moxaBuff[10240]; 13771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int moxaLowWaterChk; 13781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int moxaCard; 13799dff89cd82af7bccc706fed288b1c33a51c3b937Jiri Slabystatic struct mon_str moxaLog; 13809fa372a850b9ffcb177eb9ac0b75963b2f9af233Jiri Slabystatic int moxaFuncTout = HZ / 2; 13811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void moxadelay(int); 13831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void moxafunc(void __iomem *, int, ushort); 13841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void wait_finish(void __iomem *); 13851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void low_water_check(void __iomem *); 13861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int moxaloadbios(int, unsigned char __user *, int); 13871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int moxafindcard(int); 13881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int moxaload320b(int, unsigned char __user *, int); 13891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int moxaloadcode(int, unsigned char __user *, int); 13901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int moxaloadc218(int, void __iomem *, int); 13911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int moxaloadc320(int, void __iomem *, int, int *); 13921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/***************************************************************************** 13941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Driver level functions: * 13951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 1. MoxaDriverInit(void); * 13961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 2. MoxaDriverIoctl(unsigned int cmd, unsigned long arg, int port); * 13971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 3. MoxaDriverPoll(void); * 13981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *****************************************************************************/ 13991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid MoxaDriverInit(void) 14001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 14018f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby struct moxa_port *p; 14028f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby unsigned int i; 14031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxaFuncTout = HZ / 2; /* 500 mini-seconds */ 14051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxaCard = 0; 14061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxaLog.tick = 0; 14071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxaLowWaterChk = 0; 14081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < MAX_PORTS; i++) { 14098f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby p = &moxa_ports[i]; 14108f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby p->chkPort = 0; 14118f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby p->lowChkFlag = 0; 14128f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby p->lineCtrl = 0; 14131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxaLog.rxcnt[i] = 0; 14141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxaLog.txcnt[i] = 0; 14151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 14161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 14171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MOXA 0x400 14191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MOXA_GET_IQUEUE (MOXA + 1) /* get input buffered count */ 14201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MOXA_GET_OQUEUE (MOXA + 2) /* get output buffered count */ 14211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MOXA_INIT_DRIVER (MOXA + 6) /* moxaCard=0 */ 14221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MOXA_LOAD_BIOS (MOXA + 9) /* download BIOS */ 14231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MOXA_FIND_BOARD (MOXA + 10) /* Check if MOXA card exist? */ 14241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MOXA_LOAD_C320B (MOXA + 11) /* download 320B firmware */ 14251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MOXA_LOAD_CODE (MOXA + 12) /* download firmware */ 14261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MOXA_GETDATACOUNT (MOXA + 23) 14271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MOXA_GET_IOQUEUE (MOXA + 27) 14281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MOXA_FLUSH_QUEUE (MOXA + 28) 14291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MOXA_GET_CONF (MOXA + 35) /* configuration */ 14301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MOXA_GET_MAJOR (MOXA + 63) 14311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MOXA_GET_CUMAJOR (MOXA + 64) 14321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MOXA_GETMSTATUS (MOXA + 65) 14331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct dl_str { 14351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char __user *buf; 14361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int len; 14371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int cardno; 14381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 14391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct dl_str dltmp; 14411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid MoxaPortFlushData(int port, int mode) 14431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 14441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void __iomem *ofsAddr; 14451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((mode < 0) || (mode > 2)) 14461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 14478f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby ofsAddr = moxa_ports[port].tableAddr; 14481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxafunc(ofsAddr, FC_FlushQueue, mode); 14491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (mode != 1) { 14508f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby moxa_ports[port].lowChkFlag = 0; 14511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds low_water_check(ofsAddr); 14521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 14531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 14541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint MoxaDriverIoctl(unsigned int cmd, unsigned long arg, int port) 14561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 14571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i; 14581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int status; 14591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int MoxaPortTxQueue(int), MoxaPortRxQueue(int); 14601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void __user *argp = (void __user *)arg; 14611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 146211324edd4ad34981764b25bed44d46a1507b62e1Jiri Slaby if (port == MAX_PORTS) { 14631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((cmd != MOXA_GET_CONF) && (cmd != MOXA_INIT_DRIVER) && 14641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (cmd != MOXA_LOAD_BIOS) && (cmd != MOXA_FIND_BOARD) && (cmd != MOXA_LOAD_C320B) && 14651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (cmd != MOXA_LOAD_CODE) && (cmd != MOXA_GETDATACOUNT) && 14661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (cmd != MOXA_GET_IOQUEUE) && (cmd != MOXA_GET_MAJOR) && 14671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (cmd != MOXA_GET_CUMAJOR) && (cmd != MOXA_GETMSTATUS)) 14681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (-EINVAL); 14691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 14701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (cmd) { 14711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case MOXA_GET_CONF: 14729dff89cd82af7bccc706fed288b1c33a51c3b937Jiri Slaby if(copy_to_user(argp, &moxa_boards, MAX_BOARDS * 14739dff89cd82af7bccc706fed288b1c33a51c3b937Jiri Slaby sizeof(struct moxa_board_conf))) 14741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EFAULT; 14751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (0); 14761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case MOXA_INIT_DRIVER: 14771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((int) arg == 0x404) 14781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MoxaDriverInit(); 14791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (0); 14801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case MOXA_GETDATACOUNT: 14811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxaLog.tick = jiffies; 14829dff89cd82af7bccc706fed288b1c33a51c3b937Jiri Slaby if(copy_to_user(argp, &moxaLog, sizeof(struct mon_str))) 14831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EFAULT; 14841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (0); 14851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case MOXA_FLUSH_QUEUE: 14861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MoxaPortFlushData(port, arg); 14871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (0); 14888f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby case MOXA_GET_IOQUEUE: { 14898f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby struct moxaq_str __user *argm = argp; 14908f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby struct moxa_port *p; 14918f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby 14928f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby for (i = 0; i < MAX_PORTS; i++, argm++) { 14938f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby p = &moxa_ports[i]; 14948f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby memset(&p->temp_queue, 0, sizeof(p->temp_queue)); 14958f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby if (p->chkPort) { 14968f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby p->temp_queue.inq = MoxaPortRxQueue(i); 14978f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby p->temp_queue.outq = MoxaPortTxQueue(i); 14981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 14998f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby if (copy_to_user(argm, &p->temp_queue, 15008f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby sizeof(p->temp_queue))) 15018f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby return -EFAULT; 15021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 15031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (0); 15048f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby } case MOXA_GET_OQUEUE: 15051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i = MoxaPortTxQueue(port); 15061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return put_user(i, (unsigned long __user *)argp); 15071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case MOXA_GET_IQUEUE: 15081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i = MoxaPortRxQueue(port); 15091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return put_user(i, (unsigned long __user *)argp); 15101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case MOXA_GET_MAJOR: 15111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if(copy_to_user(argp, &ttymajor, sizeof(int))) 15121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EFAULT; 15131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 15141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case MOXA_GET_CUMAJOR: 15151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i = 0; 15161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if(copy_to_user(argp, &i, sizeof(int))) 15171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EFAULT; 15181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 15198f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby case MOXA_GETMSTATUS: { 15208f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby struct mxser_mstatus __user *argm = argp; 15218f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby struct moxa_port *p; 15228f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby 15238f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby for (i = 0; i < MAX_PORTS; i++, argm++) { 15248f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby p = &moxa_ports[i]; 15258f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby p->GMStatus.ri = 0; 15268f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby p->GMStatus.dcd = 0; 15278f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby p->GMStatus.dsr = 0; 15288f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby p->GMStatus.cts = 0; 15298f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby if (!p->chkPort) { 15308f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby goto copy; 15311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 15328f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby status = MoxaPortLineStatus(p->port); 15331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (status & 1) 15348f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby p->GMStatus.cts = 1; 15351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (status & 2) 15368f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby p->GMStatus.dsr = 1; 15371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (status & 4) 15388f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby p->GMStatus.dcd = 1; 15391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 15401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15418f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby if (!p->tty || !p->tty->termios) 15428f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby p->GMStatus.cflag = p->cflag; 15431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 15448f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby p->GMStatus.cflag = p->tty->termios->c_cflag; 15458f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slabycopy: 15468f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby if (copy_to_user(argm, &p->GMStatus, 15478f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby sizeof(p->GMStatus))) 15488f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby return -EFAULT; 15491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 15501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 15518f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby } default: 15521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (-ENOIOCTLCMD); 15531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case MOXA_LOAD_BIOS: 15541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case MOXA_FIND_BOARD: 15551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case MOXA_LOAD_C320B: 15561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case MOXA_LOAD_CODE: 155749cd619c69d643b30a24029e40eb5364c7a26b2eAlan Cox if (!capable(CAP_SYS_RAWIO)) 155849cd619c69d643b30a24029e40eb5364c7a26b2eAlan Cox return -EPERM; 15591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 15601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 15611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if(copy_from_user(&dltmp, argp, sizeof(struct dl_str))) 15631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EFAULT; 15641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if(dltmp.cardno < 0 || dltmp.cardno >= MAX_BOARDS) 15651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EINVAL; 15661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch(cmd) 15681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 15691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case MOXA_LOAD_BIOS: 15701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i = moxaloadbios(dltmp.cardno, dltmp.buf, dltmp.len); 15711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (i); 15721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case MOXA_FIND_BOARD: 15731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return moxafindcard(dltmp.cardno); 15741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case MOXA_LOAD_C320B: 15751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxaload320b(dltmp.cardno, dltmp.buf, dltmp.len); 15761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: /* to keep gcc happy */ 15771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (0); 15781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case MOXA_LOAD_CODE: 15791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i = moxaloadcode(dltmp.cardno, dltmp.buf, dltmp.len); 15801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (i == -1) 15811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (-EFAULT); 15821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (i); 15831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 15851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 15861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint MoxaDriverPoll(void) 15881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 15898f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby struct moxa_board_conf *brd; 15901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds register ushort temp; 15911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds register int card; 15921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void __iomem *ofsAddr; 15931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void __iomem *ip; 15941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int port, p, ports; 15951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (moxaCard == 0) 15971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (-1); 15981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (card = 0; card < MAX_BOARDS; card++) { 15998f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby brd = &moxa_boards[card]; 16008f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby if (brd->loadstat == 0) 160101cfaf0d12ae5fa092cc916ca4066ee1598e857dDirk Eibach continue; 16028f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby if ((ports = brd->numPorts) == 0) 16031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds continue; 16048f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby if (readb(brd->intPend) == 0xff) { 16058f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby ip = brd->intTable + readb(brd->intNdx); 16061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p = card * MAX_PORTS_PER_BOARD; 16071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ports <<= 1; 16081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (port = 0; port < ports; port += 2, p++) { 16091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((temp = readw(ip + port)) != 0) { 16101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(0, ip + port); 16118f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby ofsAddr = moxa_ports[p].tableAddr; 16121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (temp & IntrTx) 16131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(readw(ofsAddr + HostStat) & ~WakeupTx, ofsAddr + HostStat); 16141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (temp & IntrBreak) { 16158f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby moxa_ports[p].breakCnt++; 16161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 16171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (temp & IntrLine) { 16181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (readb(ofsAddr + FlagStat) & DCD_state) { 16198f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby if ((moxa_ports[p].DCDState & DCD_oldstate) == 0) 16208f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby moxa_ports[p].DCDState = (DCD_oldstate | 16211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DCD_changed); 16221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 16238f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby if (moxa_ports[p].DCDState & DCD_oldstate) 16248f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby moxa_ports[p].DCDState = DCD_changed; 16251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 16261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 16271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 16281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 16298f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby writeb(0, brd->intPend); 16301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 16311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (moxaLowWaterChk) { 16321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p = card * MAX_PORTS_PER_BOARD; 16331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (port = 0; port < ports; port++, p++) { 16348f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby if (moxa_ports[p].lowChkFlag) { 16358f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby moxa_ports[p].lowChkFlag = 0; 16368f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby ofsAddr = moxa_ports[p].tableAddr; 16371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds low_water_check(ofsAddr); 16381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 16391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 16401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 16411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 16421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxaLowWaterChk = 0; 16431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (0); 16441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 16451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/***************************************************************************** 16471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Card level function: * 16481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 1. MoxaPortsOfCard(int cardno); * 16491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *****************************************************************************/ 16501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint MoxaPortsOfCard(int cardno) 16511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 16521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (moxa_boards[cardno].boardType == 0) 16541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (0); 16551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (moxa_boards[cardno].numPorts); 16561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 16571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/***************************************************************************** 16591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Port level functions: * 16601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 1. MoxaPortIsValid(int port); * 16611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 2. MoxaPortEnable(int port); * 16621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 3. MoxaPortDisable(int port); * 16631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 4. MoxaPortGetMaxBaud(int port); * 16641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 6. MoxaPortSetBaud(int port, long baud); * 16651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 8. MoxaPortSetTermio(int port, unsigned char *termio); * 16661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 9. MoxaPortGetLineOut(int port, int *dtrState, int *rtsState); * 16671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 10. MoxaPortLineCtrl(int port, int dtrState, int rtsState); * 16681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 11. MoxaPortFlowCtrl(int port, int rts, int cts, int rx, int tx,int xany); * 16691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 12. MoxaPortLineStatus(int port); * 16701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 13. MoxaPortDCDChange(int port); * 16711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 14. MoxaPortDCDON(int port); * 16721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 15. MoxaPortFlushData(int port, int mode); * 16731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 16. MoxaPortWriteData(int port, unsigned char * buffer, int length); * 167433f0f88f1c51ae5c2d593d26960c760ea154c2e2Alan Cox * 17. MoxaPortReadData(int port, struct tty_struct *tty); * 16751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 20. MoxaPortTxQueue(int port); * 16761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 21. MoxaPortTxFree(int port); * 16771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 22. MoxaPortRxQueue(int port); * 16781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 24. MoxaPortTxDisable(int port); * 16791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 25. MoxaPortTxEnable(int port); * 16801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 27. MoxaPortResetBrkCnt(int port); * 16811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 30. MoxaPortSendBreak(int port, int ticks); * 16821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *****************************************************************************/ 16831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 16841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Moxa Port Number Description: 16851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 16861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * MOXA serial driver supports up to 4 MOXA-C218/C320 boards. And, 16871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the port number using in MOXA driver functions will be 0 to 31 for 16881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * first MOXA board, 32 to 63 for second, 64 to 95 for third and 96 16891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * to 127 for fourth. For example, if you setup three MOXA boards, 16901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * first board is C218, second board is C320-16 and third board is 16911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * C320-32. The port number of first board (C218 - 8 ports) is from 16921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 0 to 7. The port number of second board (C320 - 16 ports) is form 16931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 32 to 47. The port number of third board (C320 - 32 ports) is from 16941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 64 to 95. And those port numbers form 8 to 31, 48 to 63 and 96 to 16951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 127 will be invalid. 16961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 16971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 16981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Moxa Functions Description: 16991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 17001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Function 1: Driver initialization routine, this routine must be 17011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * called when initialized driver. 17021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Syntax: 17031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * void MoxaDriverInit(); 17041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 17051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 17061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Function 2: Moxa driver private IOCTL command processing. 17071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Syntax: 17081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * int MoxaDriverIoctl(unsigned int cmd, unsigned long arg, int port); 17091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 17101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * unsigned int cmd : IOCTL command 17111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * unsigned long arg : IOCTL argument 17121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * int port : port number (0 - 127) 17131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 17141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * return: 0 (OK) 17151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * -EINVAL 17161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * -ENOIOCTLCMD 17171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 17181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 17191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Function 3: Moxa driver polling process routine. 17201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Syntax: 17211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * int MoxaDriverPoll(void); 17221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 17231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * return: 0 ; polling O.K. 17241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * -1 : no any Moxa card. 17251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 17261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 17271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Function 4: Get the ports of this card. 17281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Syntax: 17291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * int MoxaPortsOfCard(int cardno); 17301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 17311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * int cardno : card number (0 - 3) 17321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 17331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * return: 0 : this card is invalid 17341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 8/16/24/32 17351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 17361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 17371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Function 5: Check this port is valid or invalid 17381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Syntax: 17391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * int MoxaPortIsValid(int port); 17401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * int port : port number (0 - 127, ref port description) 17411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 17421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * return: 0 : this port is invalid 17431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 1 : this port is valid 17441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 17451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 17461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Function 6: Enable this port to start Tx/Rx data. 17471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Syntax: 17481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * void MoxaPortEnable(int port); 17491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * int port : port number (0 - 127) 17501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 17511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 17521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Function 7: Disable this port 17531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Syntax: 17541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * void MoxaPortDisable(int port); 17551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * int port : port number (0 - 127) 17561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 17571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 17581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Function 8: Get the maximun available baud rate of this port. 17591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Syntax: 17601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * long MoxaPortGetMaxBaud(int port); 17611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * int port : port number (0 - 127) 17621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 17631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * return: 0 : this port is invalid 17641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 38400/57600/115200 bps 17651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 17661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 17671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Function 10: Setting baud rate of this port. 17681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Syntax: 17691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * long MoxaPortSetBaud(int port, long baud); 17701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * int port : port number (0 - 127) 17711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * long baud : baud rate (50 - 115200) 17721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 17731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * return: 0 : this port is invalid or baud < 50 17741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 50 - 115200 : the real baud rate set to the port, if 17751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the argument baud is large than maximun 17761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * available baud rate, the real setting 17771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * baud rate will be the maximun baud rate. 17781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 17791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 17801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Function 12: Configure the port. 17811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Syntax: 1782606d099cdd1080bbb50ea50dc52d98252f8f10a1Alan Cox * int MoxaPortSetTermio(int port, struct ktermios *termio, speed_t baud); 17831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * int port : port number (0 - 127) 1784606d099cdd1080bbb50ea50dc52d98252f8f10a1Alan Cox * struct ktermios * termio : termio structure pointer 1785c7bce3097c0f9bbed76ee6fd03742f2624031a45Alan Cox * speed_t baud : baud rate 17861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 17871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * return: -1 : this port is invalid or termio == NULL 17881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 0 : setting O.K. 17891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 17901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 17911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Function 13: Get the DTR/RTS state of this port. 17921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Syntax: 17931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * int MoxaPortGetLineOut(int port, int *dtrState, int *rtsState); 17941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * int port : port number (0 - 127) 17951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * int * dtrState : pointer to INT to receive the current DTR 17961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * state. (if NULL, this function will not 17971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * write to this address) 17981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * int * rtsState : pointer to INT to receive the current RTS 17991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * state. (if NULL, this function will not 18001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * write to this address) 18011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 18021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * return: -1 : this port is invalid 18031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 0 : O.K. 18041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 18051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 18061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Function 14: Setting the DTR/RTS output state of this port. 18071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Syntax: 18081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * void MoxaPortLineCtrl(int port, int dtrState, int rtsState); 18091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * int port : port number (0 - 127) 18101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * int dtrState : DTR output state (0: off, 1: on) 18111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * int rtsState : RTS output state (0: off, 1: on) 18121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 18131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 18141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Function 15: Setting the flow control of this port. 18151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Syntax: 18161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * void MoxaPortFlowCtrl(int port, int rtsFlow, int ctsFlow, int rxFlow, 18171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * int txFlow,int xany); 18181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * int port : port number (0 - 127) 18191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * int rtsFlow : H/W RTS flow control (0: no, 1: yes) 18201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * int ctsFlow : H/W CTS flow control (0: no, 1: yes) 18211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * int rxFlow : S/W Rx XON/XOFF flow control (0: no, 1: yes) 18221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * int txFlow : S/W Tx XON/XOFF flow control (0: no, 1: yes) 18231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * int xany : S/W XANY flow control (0: no, 1: yes) 18241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 18251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 18261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Function 16: Get ths line status of this port 18271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Syntax: 18281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * int MoxaPortLineStatus(int port); 18291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * int port : port number (0 - 127) 18301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 18311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * return: Bit 0 - CTS state (0: off, 1: on) 18321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Bit 1 - DSR state (0: off, 1: on) 18331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Bit 2 - DCD state (0: off, 1: on) 18341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 18351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 18361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Function 17: Check the DCD state has changed since the last read 18371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * of this function. 18381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Syntax: 18391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * int MoxaPortDCDChange(int port); 18401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * int port : port number (0 - 127) 18411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 18421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * return: 0 : no changed 18431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 1 : DCD has changed 18441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 18451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 18461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Function 18: Check ths current DCD state is ON or not. 18471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Syntax: 18481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * int MoxaPortDCDON(int port); 18491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * int port : port number (0 - 127) 18501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 18511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * return: 0 : DCD off 18521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 1 : DCD on 18531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 18541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 18551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Function 19: Flush the Rx/Tx buffer data of this port. 18561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Syntax: 18571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * void MoxaPortFlushData(int port, int mode); 18581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * int port : port number (0 - 127) 18591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * int mode 18601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 0 : flush the Rx buffer 18611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 1 : flush the Tx buffer 18621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 2 : flush the Rx and Tx buffer 18631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 18641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 18651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Function 20: Write data. 18661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Syntax: 18671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * int MoxaPortWriteData(int port, unsigned char * buffer, int length); 18681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * int port : port number (0 - 127) 18691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * unsigned char * buffer : pointer to write data buffer. 18701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * int length : write data length 18711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 18721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * return: 0 - length : real write data length 18731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 18741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 18751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Function 21: Read data. 18761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Syntax: 187733f0f88f1c51ae5c2d593d26960c760ea154c2e2Alan Cox * int MoxaPortReadData(int port, struct tty_struct *tty); 18781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * int port : port number (0 - 127) 187933f0f88f1c51ae5c2d593d26960c760ea154c2e2Alan Cox * struct tty_struct *tty : tty for data 18801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 18811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * return: 0 - length : real read data length 18821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 18831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 18841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Function 24: Get the Tx buffer current queued data bytes 18851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Syntax: 18861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * int MoxaPortTxQueue(int port); 18871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * int port : port number (0 - 127) 18881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 18891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * return: .. : Tx buffer current queued data bytes 18901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 18911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 18921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Function 25: Get the Tx buffer current free space 18931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Syntax: 18941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * int MoxaPortTxFree(int port); 18951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * int port : port number (0 - 127) 18961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 18971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * return: .. : Tx buffer current free space 18981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 18991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 19001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Function 26: Get the Rx buffer current queued data bytes 19011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Syntax: 19021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * int MoxaPortRxQueue(int port); 19031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * int port : port number (0 - 127) 19041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 19051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * return: .. : Rx buffer current queued data bytes 19061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 19071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 19081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Function 28: Disable port data transmission. 19091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Syntax: 19101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * void MoxaPortTxDisable(int port); 19111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * int port : port number (0 - 127) 19121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 19131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 19141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Function 29: Enable port data transmission. 19151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Syntax: 19161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * void MoxaPortTxEnable(int port); 19171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * int port : port number (0 - 127) 19181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 19191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 19201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Function 31: Get the received BREAK signal count and reset it. 19211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Syntax: 19221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * int MoxaPortResetBrkCnt(int port); 19231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * int port : port number (0 - 127) 19241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 19251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * return: 0 - .. : BREAK signal count 19261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 19271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 19281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Function 34: Send out a BREAK signal. 19291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Syntax: 19301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * void MoxaPortSendBreak(int port, int ms100); 19311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * int port : port number (0 - 127) 19321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * int ms100 : break signal time interval. 19331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * unit: 100 mini-second. if ms100 == 0, it will 19341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * send out a about 250 ms BREAK signal. 19351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 19361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 19371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint MoxaPortIsValid(int port) 19381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 19391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 19401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (moxaCard == 0) 19411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (0); 19428f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby if (moxa_ports[port].chkPort == 0) 19431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (0); 19441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (1); 19451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 19461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 19471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid MoxaPortEnable(int port) 19481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 19491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void __iomem *ofsAddr; 19501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int MoxaPortLineStatus(int); 19511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds short lowwater = 512; 19521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 19538f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby ofsAddr = moxa_ports[port].tableAddr; 19541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(lowwater, ofsAddr + Low_water); 19558f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby moxa_ports[port].breakCnt = 0; 19561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((moxa_boards[port / MAX_PORTS_PER_BOARD].boardType == MOXA_BOARD_C320_ISA) || 19571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (moxa_boards[port / MAX_PORTS_PER_BOARD].boardType == MOXA_BOARD_C320_PCI)) { 19581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxafunc(ofsAddr, FC_SetBreakIrq, 0); 19591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 19601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(readw(ofsAddr + HostStat) | WakeupBreak, ofsAddr + HostStat); 19611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 19621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 19631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxafunc(ofsAddr, FC_SetLineIrq, Magic_code); 19641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxafunc(ofsAddr, FC_FlushQueue, 2); 19651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 19661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxafunc(ofsAddr, FC_EnableCH, Magic_code); 19671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MoxaPortLineStatus(port); 19681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 19691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 19701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid MoxaPortDisable(int port) 19711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 19728f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby void __iomem *ofsAddr = moxa_ports[port].tableAddr; 19731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 19741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxafunc(ofsAddr, FC_SetFlowCtl, 0); /* disable flow control */ 19751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxafunc(ofsAddr, FC_ClrLineIrq, Magic_code); 19761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(0, ofsAddr + HostStat); 19771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxafunc(ofsAddr, FC_DisableCH, Magic_code); 19781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 19791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 19801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldslong MoxaPortGetMaxBaud(int port) 19811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 19821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((moxa_boards[port / MAX_PORTS_PER_BOARD].boardType == MOXA_BOARD_C320_ISA) || 19831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (moxa_boards[port / MAX_PORTS_PER_BOARD].boardType == MOXA_BOARD_C320_PCI)) 19841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (460800L); 19851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 19861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (921600L); 19871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 19881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 19891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 19901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldslong MoxaPortSetBaud(int port, long baud) 19911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 19921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void __iomem *ofsAddr; 19931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds long max, clock; 19941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int val; 19951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 19961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((baud < 50L) || ((max = MoxaPortGetMaxBaud(port)) == 0)) 19971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (0); 19988f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby ofsAddr = moxa_ports[port].tableAddr; 19991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (baud > max) 20001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds baud = max; 20011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (max == 38400L) 20021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds clock = 614400L; /* for 9.8304 Mhz : max. 38400 bps */ 20031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else if (max == 57600L) 20041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds clock = 691200L; /* for 11.0592 Mhz : max. 57600 bps */ 20051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 20061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds clock = 921600L; /* for 14.7456 Mhz : max. 115200 bps */ 20071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds val = clock / baud; 20081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxafunc(ofsAddr, FC_SetBaud, val); 20091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds baud = clock / val; 20108f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby moxa_ports[port].curBaud = baud; 20111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (baud); 20121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 20131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2014606d099cdd1080bbb50ea50dc52d98252f8f10a1Alan Coxint MoxaPortSetTermio(int port, struct ktermios *termio, speed_t baud) 20151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 20161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void __iomem *ofsAddr; 20171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tcflag_t cflag; 20181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tcflag_t mode = 0; 20191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 20208f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby if (moxa_ports[port].chkPort == 0 || termio == 0) 20211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (-1); 20228f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby ofsAddr = moxa_ports[port].tableAddr; 20231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cflag = termio->c_cflag; /* termio->c_cflag */ 20241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 20251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mode = termio->c_cflag & CSIZE; 20261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (mode == CS5) 20271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mode = MX_CS5; 20281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else if (mode == CS6) 20291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mode = MX_CS6; 20301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else if (mode == CS7) 20311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mode = MX_CS7; 20321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else if (mode == CS8) 20331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mode = MX_CS8; 20341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 20351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (termio->c_cflag & CSTOPB) { 20361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (mode == MX_CS5) 20371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mode |= MX_STOP15; 20381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 20391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mode |= MX_STOP2; 20401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else 20411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mode |= MX_STOP1; 20421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 20431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (termio->c_cflag & PARENB) { 20441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (termio->c_cflag & PARODD) 20451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mode |= MX_PARODD; 20461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 20471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mode |= MX_PAREVEN; 20481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else 20491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mode |= MX_PARNONE; 20501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 20511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxafunc(ofsAddr, FC_SetDataMode, (ushort) mode); 20521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 20531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((moxa_boards[port / MAX_PORTS_PER_BOARD].boardType == MOXA_BOARD_C320_ISA) || 20541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (moxa_boards[port / MAX_PORTS_PER_BOARD].boardType == MOXA_BOARD_C320_PCI)) { 2055c7bce3097c0f9bbed76ee6fd03742f2624031a45Alan Cox if (baud >= 921600L) 20561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (-1); 20571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 20581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MoxaPortSetBaud(port, baud); 20591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 20601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (termio->c_iflag & (IXON | IXOFF | IXANY)) { 20611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writeb(termio->c_cc[VSTART], ofsAddr + FuncArg); 20621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writeb(termio->c_cc[VSTOP], ofsAddr + FuncArg1); 20631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writeb(FC_SetXonXoff, ofsAddr + FuncCode); 20641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds wait_finish(ofsAddr); 20651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 20661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 20671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (0); 20681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 20691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 20701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint MoxaPortGetLineOut(int port, int *dtrState, int *rtsState) 20711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 20721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 20731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!MoxaPortIsValid(port)) 20741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (-1); 20751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (dtrState) { 20768f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby if (moxa_ports[port].lineCtrl & DTR_ON) 20771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *dtrState = 1; 20781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 20791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *dtrState = 0; 20801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 20811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (rtsState) { 20828f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby if (moxa_ports[port].lineCtrl & RTS_ON) 20831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *rtsState = 1; 20841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 20851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *rtsState = 0; 20861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 20871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (0); 20881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 20891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 20901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid MoxaPortLineCtrl(int port, int dtr, int rts) 20911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 20921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void __iomem *ofsAddr; 20931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int mode; 20941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 20958f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby ofsAddr = moxa_ports[port].tableAddr; 20961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mode = 0; 20971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (dtr) 20981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mode |= DTR_ON; 20991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (rts) 21001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mode |= RTS_ON; 21018f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby moxa_ports[port].lineCtrl = mode; 21021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxafunc(ofsAddr, FC_LineControl, mode); 21031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 21041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 21051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid MoxaPortFlowCtrl(int port, int rts, int cts, int txflow, int rxflow, int txany) 21061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 21071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void __iomem *ofsAddr; 21081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int mode; 21091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 21108f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby ofsAddr = moxa_ports[port].tableAddr; 21111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mode = 0; 21121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (rts) 21131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mode |= RTS_FlowCtl; 21141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (cts) 21151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mode |= CTS_FlowCtl; 21161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (txflow) 21171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mode |= Tx_FlowCtl; 21181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (rxflow) 21191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mode |= Rx_FlowCtl; 21201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (txany) 21211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mode |= IXM_IXANY; 21221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxafunc(ofsAddr, FC_SetFlowCtl, mode); 21231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 21241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 21251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint MoxaPortLineStatus(int port) 21261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 21271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void __iomem *ofsAddr; 21281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int val; 21291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 21308f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby ofsAddr = moxa_ports[port].tableAddr; 21311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((moxa_boards[port / MAX_PORTS_PER_BOARD].boardType == MOXA_BOARD_C320_ISA) || 21321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (moxa_boards[port / MAX_PORTS_PER_BOARD].boardType == MOXA_BOARD_C320_PCI)) { 21331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxafunc(ofsAddr, FC_LineStatus, 0); 21341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds val = readw(ofsAddr + FuncArg); 21351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 21361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds val = readw(ofsAddr + FlagStat) >> 4; 21371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 21381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds val &= 0x0B; 21391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (val & 8) { 21401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds val |= 4; 21418f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby if ((moxa_ports[port].DCDState & DCD_oldstate) == 0) 21428f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby moxa_ports[port].DCDState = (DCD_oldstate | DCD_changed); 21431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 21448f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby if (moxa_ports[port].DCDState & DCD_oldstate) 21458f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby moxa_ports[port].DCDState = DCD_changed; 21461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 21471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds val &= 7; 21481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (val); 21491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 21501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 21511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint MoxaPortDCDChange(int port) 21521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 21531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int n; 21541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 21558f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby if (moxa_ports[port].chkPort == 0) 21561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (0); 21578f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby n = moxa_ports[port].DCDState; 21588f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby moxa_ports[port].DCDState &= ~DCD_changed; 21591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds n &= DCD_changed; 21601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (n); 21611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 21621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 21631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint MoxaPortDCDON(int port) 21641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 21651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int n; 21661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 21678f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby if (moxa_ports[port].chkPort == 0) 21681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (0); 21698f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby if (moxa_ports[port].DCDState & DCD_oldstate) 21701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds n = 1; 21711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 21721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds n = 0; 21731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (n); 21741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 21751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 21761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint MoxaPortWriteData(int port, unsigned char * buffer, int len) 21771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 21781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int c, total, i; 21791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ushort tail; 21801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int cnt; 21811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ushort head, tx_mask, spage, epage; 21821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ushort pageno, pageofs, bufhead; 21831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void __iomem *baseAddr, *ofsAddr, *ofs; 21841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 21858f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby ofsAddr = moxa_ports[port].tableAddr; 21868f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby baseAddr = moxa_boards[port / MAX_PORTS_PER_BOARD].basemem; 21871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tx_mask = readw(ofsAddr + TX_mask); 21881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spage = readw(ofsAddr + Page_txb); 21891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds epage = readw(ofsAddr + EndPage_txb); 21901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tail = readw(ofsAddr + TXwptr); 21911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds head = readw(ofsAddr + TXrptr); 21921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds c = (head > tail) ? (head - tail - 1) 21931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds : (head - tail + tx_mask); 21941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (c > len) 21951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds c = len; 21961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxaLog.txcnt[port] += c; 21971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds total = c; 21981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (spage == epage) { 21991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bufhead = readw(ofsAddr + Ofs_txb); 22001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(spage, baseAddr + Control_reg); 22011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while (c > 0) { 22021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (head > tail) 22031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len = head - tail - 1; 22041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 22051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len = tx_mask + 1 - tail; 22061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len = (c > len) ? len : c; 22071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ofs = baseAddr + DynPage_addr + bufhead + tail; 22081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < len; i++) 22091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writeb(*buffer++, ofs + i); 22101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tail = (tail + len) & tx_mask; 22111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds c -= len; 22121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 22131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(tail, ofsAddr + TXwptr); 22141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 22151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len = c; 22161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pageno = spage + (tail >> 13); 22171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pageofs = tail & Page_mask; 22181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds do { 22191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cnt = Page_size - pageofs; 22201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (cnt > c) 22211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cnt = c; 22221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds c -= cnt; 22231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writeb(pageno, baseAddr + Control_reg); 22241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ofs = baseAddr + DynPage_addr + pageofs; 22251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < cnt; i++) 22261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writeb(*buffer++, ofs + i); 22271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (c == 0) { 22281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew((tail + len) & tx_mask, ofsAddr + TXwptr); 22291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 22301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 22311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (++pageno == epage) 22321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pageno = spage; 22331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pageofs = 0; 22341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } while (1); 22351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 22361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writeb(1, ofsAddr + CD180TXirq); /* start to send */ 22371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (total); 22381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 22391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 224033f0f88f1c51ae5c2d593d26960c760ea154c2e2Alan Coxint MoxaPortReadData(int port, struct tty_struct *tty) 22411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 22421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds register ushort head, pageofs; 22431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i, count, cnt, len, total, remain; 22441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ushort tail, rx_mask, spage, epage; 22451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ushort pageno, bufhead; 22461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void __iomem *baseAddr, *ofsAddr, *ofs; 22471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 22488f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby ofsAddr = moxa_ports[port].tableAddr; 22498f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby baseAddr = moxa_boards[port / MAX_PORTS_PER_BOARD].basemem; 22501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds head = readw(ofsAddr + RXrptr); 22511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tail = readw(ofsAddr + RXwptr); 22521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rx_mask = readw(ofsAddr + RX_mask); 22531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spage = readw(ofsAddr + Page_rxb); 22541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds epage = readw(ofsAddr + EndPage_rxb); 22551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds count = (tail >= head) ? (tail - head) 22561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds : (tail - head + rx_mask + 1); 22571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (count == 0) 225833f0f88f1c51ae5c2d593d26960c760ea154c2e2Alan Cox return 0; 22591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 226033f0f88f1c51ae5c2d593d26960c760ea154c2e2Alan Cox total = count; 22611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds remain = count - total; 22621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxaLog.rxcnt[port] += total; 22631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds count = total; 22641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (spage == epage) { 22651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bufhead = readw(ofsAddr + Ofs_rxb); 22661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(spage, baseAddr + Control_reg); 22671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while (count > 0) { 22681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (tail >= head) 22691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len = tail - head; 22701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 22711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len = rx_mask + 1 - head; 22721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len = (count > len) ? len : count; 22731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ofs = baseAddr + DynPage_addr + bufhead + head; 22741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < len; i++) 227533f0f88f1c51ae5c2d593d26960c760ea154c2e2Alan Cox tty_insert_flip_char(tty, readb(ofs + i), TTY_NORMAL); 22761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds head = (head + len) & rx_mask; 22771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds count -= len; 22781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 22791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(head, ofsAddr + RXrptr); 22801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 22811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len = count; 22821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pageno = spage + (head >> 13); 22831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pageofs = head & Page_mask; 22841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds do { 22851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cnt = Page_size - pageofs; 22861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (cnt > count) 22871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cnt = count; 22881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds count -= cnt; 22891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(pageno, baseAddr + Control_reg); 22901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ofs = baseAddr + DynPage_addr + pageofs; 22911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < cnt; i++) 229233f0f88f1c51ae5c2d593d26960c760ea154c2e2Alan Cox tty_insert_flip_char(tty, readb(ofs + i), TTY_NORMAL); 22931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (count == 0) { 22941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew((head + len) & rx_mask, ofsAddr + RXrptr); 22951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 22961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 22971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (++pageno == epage) 22981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pageno = spage; 22991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pageofs = 0; 23001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } while (1); 23011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 23021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((readb(ofsAddr + FlagStat) & Xoff_state) && (remain < LowWater)) { 23031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxaLowWaterChk = 1; 23048f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby moxa_ports[port].lowChkFlag = 1; 23051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 23061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (total); 23071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 23081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 23091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 23101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint MoxaPortTxQueue(int port) 23111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 23121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void __iomem *ofsAddr; 23131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ushort rptr, wptr, mask; 23141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int len; 23151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 23168f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby ofsAddr = moxa_ports[port].tableAddr; 23171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rptr = readw(ofsAddr + TXrptr); 23181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds wptr = readw(ofsAddr + TXwptr); 23191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mask = readw(ofsAddr + TX_mask); 23201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len = (wptr - rptr) & mask; 23211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (len); 23221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 23231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 23241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint MoxaPortTxFree(int port) 23251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 23261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void __iomem *ofsAddr; 23271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ushort rptr, wptr, mask; 23281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int len; 23291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 23308f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby ofsAddr = moxa_ports[port].tableAddr; 23311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rptr = readw(ofsAddr + TXrptr); 23321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds wptr = readw(ofsAddr + TXwptr); 23331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mask = readw(ofsAddr + TX_mask); 23341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len = mask - ((wptr - rptr) & mask); 23351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (len); 23361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 23371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 23381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint MoxaPortRxQueue(int port) 23391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 23401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void __iomem *ofsAddr; 23411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ushort rptr, wptr, mask; 23421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int len; 23431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 23448f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby ofsAddr = moxa_ports[port].tableAddr; 23451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rptr = readw(ofsAddr + RXrptr); 23461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds wptr = readw(ofsAddr + RXwptr); 23471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mask = readw(ofsAddr + RX_mask); 23481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len = (wptr - rptr) & mask; 23491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (len); 23501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 23511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 23521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 23531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid MoxaPortTxDisable(int port) 23541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 23551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void __iomem *ofsAddr; 23561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 23578f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby ofsAddr = moxa_ports[port].tableAddr; 23581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxafunc(ofsAddr, FC_SetXoffState, Magic_code); 23591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 23601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 23611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid MoxaPortTxEnable(int port) 23621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 23631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void __iomem *ofsAddr; 23641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 23658f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby ofsAddr = moxa_ports[port].tableAddr; 23661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxafunc(ofsAddr, FC_SetXonState, Magic_code); 23671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 23681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 23691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 23701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint MoxaPortResetBrkCnt(int port) 23711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 23721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ushort cnt; 23738f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby cnt = moxa_ports[port].breakCnt; 23748f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby moxa_ports[port].breakCnt = 0; 23751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (cnt); 23761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 23771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 23781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 23791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid MoxaPortSendBreak(int port, int ms100) 23801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 23811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void __iomem *ofsAddr; 23821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 23838f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby ofsAddr = moxa_ports[port].tableAddr; 23841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ms100) { 23851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxafunc(ofsAddr, FC_SendBreak, Magic_code); 23861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxadelay(ms100 * (HZ / 10)); 23871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 23881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxafunc(ofsAddr, FC_SendBreak, Magic_code); 23891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxadelay(HZ / 4); /* 250 ms */ 23901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 23911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxafunc(ofsAddr, FC_StopBreak, Magic_code); 23921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 23931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 23948f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slabystatic int moxa_get_serial_info(struct moxa_port *info, 23951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct serial_struct __user *retinfo) 23961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 23971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct serial_struct tmp; 23981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 23991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memset(&tmp, 0, sizeof(tmp)); 24001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp.type = info->type; 24011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp.line = info->port; 24021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp.port = 0; 24031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp.irq = 0; 24041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp.flags = info->asyncflags; 24051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp.baud_base = 921600; 24061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp.close_delay = info->close_delay; 24071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp.closing_wait = info->closing_wait; 24081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp.custom_divisor = 0; 24091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp.hub6 = 0; 24101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if(copy_to_user(retinfo, &tmp, sizeof(*retinfo))) 24111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EFAULT; 24121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (0); 24131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 24141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 24151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 24168f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slabystatic int moxa_set_serial_info(struct moxa_port *info, 24171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct serial_struct __user *new_info) 24181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 24191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct serial_struct new_serial; 24201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 24211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if(copy_from_user(&new_serial, new_info, sizeof(new_serial))) 24221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EFAULT; 24231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 24241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((new_serial.irq != 0) || 24251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (new_serial.port != 0) || 24261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds// (new_serial.type != info->type) || 24271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (new_serial.custom_divisor != 0) || 24281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (new_serial.baud_base != 921600)) 24291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (-EPERM); 24301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 24311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!capable(CAP_SYS_ADMIN)) { 24321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (((new_serial.flags & ~ASYNC_USR_MASK) != 24331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (info->asyncflags & ~ASYNC_USR_MASK))) 24341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (-EPERM); 24351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 24361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds info->close_delay = new_serial.close_delay * HZ / 100; 24371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds info->closing_wait = new_serial.closing_wait * HZ / 100; 24381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 24391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 24401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds new_serial.flags = (new_serial.flags & ~ASYNC_FLAGS); 24411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds new_serial.flags |= (info->asyncflags & ASYNC_FLAGS); 24421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 24431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (new_serial.type == PORT_16550A) { 24441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MoxaSetFifo(info->port, 1); 24451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 24461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MoxaSetFifo(info->port, 0); 24471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 24481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 24491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds info->type = new_serial.type; 24501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (0); 24511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 24521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 24531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 24541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 24551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/***************************************************************************** 24561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Static local functions: * 24571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *****************************************************************************/ 24581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 24591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * moxadelay - delays a specified number ticks 24601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 24611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void moxadelay(int tick) 24621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 24631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long st, et; 24641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 24651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds st = jiffies; 24661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds et = st + tick; 24671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while (time_before(jiffies, et)); 24681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 24691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 24701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void moxafunc(void __iomem *ofsAddr, int cmd, ushort arg) 24711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 24721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 24731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(arg, ofsAddr + FuncArg); 24741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(cmd, ofsAddr + FuncCode); 24751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds wait_finish(ofsAddr); 24761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 24771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 24781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void wait_finish(void __iomem *ofsAddr) 24791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 24801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long i, j; 24811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 24821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i = jiffies; 24831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while (readw(ofsAddr + FuncCode) != 0) { 24841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds j = jiffies; 24851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((j - i) > moxaFuncTout) { 24861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 24871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 24881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 24891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 24901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 24911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void low_water_check(void __iomem *ofsAddr) 24921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 24931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int len; 24941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ushort rptr, wptr, mask; 24951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 24961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (readb(ofsAddr + FlagStat) & Xoff_state) { 24971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rptr = readw(ofsAddr + RXrptr); 24981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds wptr = readw(ofsAddr + RXwptr); 24991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mask = readw(ofsAddr + RX_mask); 25001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len = (wptr - rptr) & mask; 25011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (len <= Low_water) 25021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxafunc(ofsAddr, FC_SendXon, 0); 25031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 25041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 25051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 25061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int moxaloadbios(int cardno, unsigned char __user *tmp, int len) 25071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 25081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void __iomem *baseAddr; 25091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i; 25101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 25111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if(copy_from_user(moxaBuff, tmp, len)) 25121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EFAULT; 25138f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby baseAddr = moxa_boards[cardno].basemem; 25141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writeb(HW_reset, baseAddr + Control_reg); /* reset */ 25151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxadelay(1); /* delay 10 ms */ 25161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 4096; i++) 25171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writeb(0, baseAddr + i); /* clear fix page */ 25181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < len; i++) 25191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writeb(moxaBuff[i], baseAddr + i); /* download BIOS */ 25201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writeb(0, baseAddr + Control_reg); /* restart */ 25211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (0); 25221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 25231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 25241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int moxafindcard(int cardno) 25251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 25261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void __iomem *baseAddr; 25271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ushort tmp; 25281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 25298f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby baseAddr = moxa_boards[cardno].basemem; 25301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (moxa_boards[cardno].boardType) { 25311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case MOXA_BOARD_C218_ISA: 25321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case MOXA_BOARD_C218_PCI: 25331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((tmp = readw(baseAddr + C218_key)) != C218_KeyCode) { 25341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (-1); 25351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 25361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 25371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case MOXA_BOARD_CP204J: 25381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((tmp = readw(baseAddr + C218_key)) != CP204J_KeyCode) { 25391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (-1); 25401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 25411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 25421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 25431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((tmp = readw(baseAddr + C320_key)) != C320_KeyCode) { 25441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (-1); 25451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 25461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((tmp = readw(baseAddr + C320_status)) != STS_init) { 25471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (-2); 25481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 25491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 25501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (0); 25511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 25521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 25531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int moxaload320b(int cardno, unsigned char __user *tmp, int len) 25541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 25551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void __iomem *baseAddr; 25561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i; 25571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 25581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if(len > sizeof(moxaBuff)) 25591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EINVAL; 25601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if(copy_from_user(moxaBuff, tmp, len)) 25611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EFAULT; 25628f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby baseAddr = moxa_boards[cardno].basemem; 25631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(len - 7168 - 2, baseAddr + C320bapi_len); 25641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writeb(1, baseAddr + Control_reg); /* Select Page 1 */ 25651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 7168; i++) 25661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writeb(moxaBuff[i], baseAddr + DynPage_addr + i); 25671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writeb(2, baseAddr + Control_reg); /* Select Page 2 */ 25681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < (len - 7168); i++) 25691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writeb(moxaBuff[i + 7168], baseAddr + DynPage_addr + i); 25701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (0); 25711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 25721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 25731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int moxaloadcode(int cardno, unsigned char __user *tmp, int len) 25741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 25751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void __iomem *baseAddr, *ofsAddr; 25761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int retval, port, i; 25771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 25781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if(copy_from_user(moxaBuff, tmp, len)) 25791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EFAULT; 25808f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby baseAddr = moxa_boards[cardno].basemem; 25811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (moxa_boards[cardno].boardType) { 25821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case MOXA_BOARD_C218_ISA: 25831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case MOXA_BOARD_C218_PCI: 25841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case MOXA_BOARD_CP204J: 25851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds retval = moxaloadc218(cardno, baseAddr, len); 25861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (retval) 25871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (retval); 25881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds port = cardno * MAX_PORTS_PER_BOARD; 25891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < moxa_boards[cardno].numPorts; i++, port++) { 25908f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby struct moxa_port *p = &moxa_ports[port]; 25918f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby 25928f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby p->chkPort = 1; 25938f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby p->curBaud = 9600L; 25948f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby p->DCDState = 0; 25958f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby p->tableAddr = baseAddr + Extern_table + Extern_size * i; 25968f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby ofsAddr = p->tableAddr; 25971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(C218rx_mask, ofsAddr + RX_mask); 25981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(C218tx_mask, ofsAddr + TX_mask); 25991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(C218rx_spage + i * C218buf_pageno, ofsAddr + Page_rxb); 26001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(readw(ofsAddr + Page_rxb) + C218rx_pageno, ofsAddr + EndPage_rxb); 26011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 26021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(C218tx_spage + i * C218buf_pageno, ofsAddr + Page_txb); 26031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(readw(ofsAddr + Page_txb) + C218tx_pageno, ofsAddr + EndPage_txb); 26041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 26051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 26061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 26071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 26081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds retval = moxaloadc320(cardno, baseAddr, len, 26091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds &moxa_boards[cardno].numPorts); 26101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (retval) 26111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (retval); 26121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds port = cardno * MAX_PORTS_PER_BOARD; 26131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < moxa_boards[cardno].numPorts; i++, port++) { 26148f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby struct moxa_port *p = &moxa_ports[port]; 26158f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby 26168f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby p->chkPort = 1; 26178f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby p->curBaud = 9600L; 26188f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby p->DCDState = 0; 26198f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby p->tableAddr = baseAddr + Extern_table + Extern_size * i; 26208f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby ofsAddr = p->tableAddr; 26211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (moxa_boards[cardno].numPorts == 8) { 26221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(C320p8rx_mask, ofsAddr + RX_mask); 26231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(C320p8tx_mask, ofsAddr + TX_mask); 26241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(C320p8rx_spage + i * C320p8buf_pgno, ofsAddr + Page_rxb); 26251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(readw(ofsAddr + Page_rxb) + C320p8rx_pgno, ofsAddr + EndPage_rxb); 26261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(C320p8tx_spage + i * C320p8buf_pgno, ofsAddr + Page_txb); 26271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(readw(ofsAddr + Page_txb) + C320p8tx_pgno, ofsAddr + EndPage_txb); 26281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 26291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else if (moxa_boards[cardno].numPorts == 16) { 26301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(C320p16rx_mask, ofsAddr + RX_mask); 26311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(C320p16tx_mask, ofsAddr + TX_mask); 26321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(C320p16rx_spage + i * C320p16buf_pgno, ofsAddr + Page_rxb); 26331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(readw(ofsAddr + Page_rxb) + C320p16rx_pgno, ofsAddr + EndPage_rxb); 26341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(C320p16tx_spage + i * C320p16buf_pgno, ofsAddr + Page_txb); 26351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(readw(ofsAddr + Page_txb) + C320p16tx_pgno, ofsAddr + EndPage_txb); 26361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 26371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else if (moxa_boards[cardno].numPorts == 24) { 26381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(C320p24rx_mask, ofsAddr + RX_mask); 26391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(C320p24tx_mask, ofsAddr + TX_mask); 26401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(C320p24rx_spage + i * C320p24buf_pgno, ofsAddr + Page_rxb); 26411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(readw(ofsAddr + Page_rxb) + C320p24rx_pgno, ofsAddr + EndPage_rxb); 26421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(C320p24tx_spage + i * C320p24buf_pgno, ofsAddr + Page_txb); 26431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(readw(ofsAddr + Page_txb), ofsAddr + EndPage_txb); 26441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else if (moxa_boards[cardno].numPorts == 32) { 26451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(C320p32rx_mask, ofsAddr + RX_mask); 26461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(C320p32tx_mask, ofsAddr + TX_mask); 26471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(C320p32tx_ofs, ofsAddr + Ofs_txb); 26481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(C320p32rx_spage + i * C320p32buf_pgno, ofsAddr + Page_rxb); 26491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(readb(ofsAddr + Page_rxb), ofsAddr + EndPage_rxb); 26501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(C320p32tx_spage + i * C320p32buf_pgno, ofsAddr + Page_txb); 26511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(readw(ofsAddr + Page_txb), ofsAddr + EndPage_txb); 26521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 26531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 26541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 26551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 26568f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby moxa_boards[cardno].loadstat = 1; 26571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (0); 26581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 26591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 26601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int moxaloadc218(int cardno, void __iomem *baseAddr, int len) 26611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 26621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char retry; 26631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i, j, len1, len2; 26641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ushort usum, *ptr, keycode; 26651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 26661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (moxa_boards[cardno].boardType == MOXA_BOARD_CP204J) 26671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds keycode = CP204J_KeyCode; 26681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 26691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds keycode = C218_KeyCode; 26701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds usum = 0; 26711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len1 = len >> 1; 26721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ptr = (ushort *) moxaBuff; 26731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < len1; i++) 267401cfaf0d12ae5fa092cc916ca4066ee1598e857dDirk Eibach usum += le16_to_cpu(*(ptr + i)); 26751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds retry = 0; 26761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds do { 26771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len1 = len >> 1; 26781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds j = 0; 26791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while (len1) { 26801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len2 = (len1 > 2048) ? 2048 : len1; 26811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len1 -= len2; 26821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < len2 << 1; i++) 26831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writeb(moxaBuff[i + j], baseAddr + C218_LoadBuf + i); 26841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds j += i; 26851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 26861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(len2, baseAddr + C218DLoad_len); 26871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(0, baseAddr + C218_key); 26881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 100; i++) { 26891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (readw(baseAddr + C218_key) == keycode) 26901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 26911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxadelay(1); /* delay 10 ms */ 26921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 26931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (readw(baseAddr + C218_key) != keycode) { 26941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (-1); 26951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 26961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 26971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(0, baseAddr + C218DLoad_len); 26981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(usum, baseAddr + C218check_sum); 26991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(0, baseAddr + C218_key); 27001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 100; i++) { 27011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (readw(baseAddr + C218_key) == keycode) 27021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 27031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxadelay(1); /* delay 10 ms */ 27041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 27051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds retry++; 27061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } while ((readb(baseAddr + C218chksum_ok) != 1) && (retry < 3)); 27071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (readb(baseAddr + C218chksum_ok) != 1) { 27081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (-1); 27091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 27101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(0, baseAddr + C218_key); 27111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 100; i++) { 27121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (readw(baseAddr + Magic_no) == Magic_code) 27131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 27141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxadelay(1); /* delay 10 ms */ 27151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 27161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (readw(baseAddr + Magic_no) != Magic_code) { 27171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (-1); 27181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 27191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(1, baseAddr + Disable_IRQ); 27201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(0, baseAddr + Magic_no); 27211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 100; i++) { 27221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (readw(baseAddr + Magic_no) == Magic_code) 27231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 27241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxadelay(1); /* delay 10 ms */ 27251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 27261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (readw(baseAddr + Magic_no) != Magic_code) { 27271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (-1); 27281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 27291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxaCard = 1; 27308f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby moxa_boards[cardno].intNdx = baseAddr + IRQindex; 27318f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby moxa_boards[cardno].intPend = baseAddr + IRQpending; 27328f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby moxa_boards[cardno].intTable = baseAddr + IRQtable; 27331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (0); 27341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 27351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 27361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int moxaloadc320(int cardno, void __iomem *baseAddr, int len, int *numPorts) 27371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 27381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ushort usum; 27391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i, j, wlen, len2, retry; 27401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ushort *uptr; 27411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 27421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds usum = 0; 27431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds wlen = len >> 1; 27441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uptr = (ushort *) moxaBuff; 27451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < wlen; i++) 274601cfaf0d12ae5fa092cc916ca4066ee1598e857dDirk Eibach usum += le16_to_cpu(uptr[i]); 27471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds retry = 0; 27481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds j = 0; 27491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds do { 27501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while (wlen) { 27511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (wlen > 2048) 27521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len2 = 2048; 27531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 27541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len2 = wlen; 27551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds wlen -= len2; 27561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len2 <<= 1; 27571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < len2; i++) 27581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writeb(moxaBuff[j + i], baseAddr + C320_LoadBuf + i); 27591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len2 >>= 1; 27601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds j += i; 27611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(len2, baseAddr + C320DLoad_len); 27621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(0, baseAddr + C320_key); 27631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 10; i++) { 27641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (readw(baseAddr + C320_key) == C320_KeyCode) 27651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 27661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxadelay(1); 27671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 27681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (readw(baseAddr + C320_key) != C320_KeyCode) 27691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (-1); 27701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 27711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(0, baseAddr + C320DLoad_len); 27721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(usum, baseAddr + C320check_sum); 27731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(0, baseAddr + C320_key); 27741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 10; i++) { 27751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (readw(baseAddr + C320_key) == C320_KeyCode) 27761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 27771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxadelay(1); 27781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 27791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds retry++; 27801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } while ((readb(baseAddr + C320chksum_ok) != 1) && (retry < 3)); 27811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (readb(baseAddr + C320chksum_ok) != 1) 27821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (-1); 27831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(0, baseAddr + C320_key); 27841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 600; i++) { 27851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (readw(baseAddr + Magic_no) == Magic_code) 27861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 27871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxadelay(1); 27881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 27891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (readw(baseAddr + Magic_no) != Magic_code) 27901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (-100); 27911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 27921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (moxa_boards[cardno].busType == MOXA_BUS_TYPE_PCI) { /* ASIC board */ 27931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(0x3800, baseAddr + TMS320_PORT1); 27941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(0x3900, baseAddr + TMS320_PORT2); 27951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(28499, baseAddr + TMS320_CLOCK); 27961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 27971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(0x3200, baseAddr + TMS320_PORT1); 27981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(0x3400, baseAddr + TMS320_PORT2); 27991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(19999, baseAddr + TMS320_CLOCK); 28001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 28011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(1, baseAddr + Disable_IRQ); 28021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(0, baseAddr + Magic_no); 28031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 500; i++) { 28041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (readw(baseAddr + Magic_no) == Magic_code) 28051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 28061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxadelay(1); 28071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 28081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (readw(baseAddr + Magic_no) != Magic_code) 28091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (-102); 28101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 28111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds j = readw(baseAddr + Module_cnt); 28121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (j <= 0) 28131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (-101); 28141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *numPorts = j * 8; 28151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(j, baseAddr + Module_no); 28161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(0, baseAddr + Magic_no); 28171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 600; i++) { 28181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (readw(baseAddr + Magic_no) == Magic_code) 28191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 28201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxadelay(1); 28211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 28221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (readw(baseAddr + Magic_no) != Magic_code) 28231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (-102); 28241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxaCard = 1; 28258f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby moxa_boards[cardno].intNdx = baseAddr + IRQindex; 28268f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby moxa_boards[cardno].intPend = baseAddr + IRQpending; 28278f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby moxa_boards[cardno].intTable = baseAddr + IRQtable; 28281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (0); 28291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 28301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 28311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void MoxaSetFifo(int port, int enable) 28321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 28338f8ecbad09b48e5fe44a8d7f5344e802e9c231c8Jiri Slaby void __iomem *ofsAddr = moxa_ports[port].tableAddr; 28341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 28351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!enable) { 28361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxafunc(ofsAddr, FC_SetRxFIFOTrig, 0); 28371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxafunc(ofsAddr, FC_SetTxFIFOCnt, 1); 28381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 28391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxafunc(ofsAddr, FC_SetRxFIFOTrig, 3); 28401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds moxafunc(ofsAddr, FC_SetTxFIFOCnt, 16); 28411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 28421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2843