11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This program is free software; you can redistribute it and/or 31da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * modify it under the terms of the GNU General Public License 41da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * as published by the Free Software Foundation; either version 51da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 2 of the License, or (at your option) any later version. 61da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 71da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Original driver code supplied by Multi-Tech 81da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 91da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Changes 108eb04cf3402c59e84af9d2e86149edb4044f9a9eAlan Cox * 1/9/98 alan@lxorguk.ukuu.org.uk 118eb04cf3402c59e84af9d2e86149edb4044f9a9eAlan Cox * Merge to 2.0.x kernel tree 121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Obtain and use official major/minors 131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Loader switched to a misc device 141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * (fixed range check bug as a side effect) 151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Printk clean up 168eb04cf3402c59e84af9d2e86149edb4044f9a9eAlan Cox * 9/12/98 alan@lxorguk.ukuu.org.uk 178eb04cf3402c59e84af9d2e86149edb4044f9a9eAlan Cox * Rough port to 2.1.x 181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 10/6/99 sameer Merged the ISA and PCI drivers to 201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * a new unified driver. 211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 3/9/99 sameer Added support for ISI4616 cards. 231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 16/9/99 sameer We do not force RTS low anymore. 25d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby * This is to prevent the firmware 261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * from getting confused. 271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 26/10/99 sameer Cosmetic changes:The driver now 291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * dumps the Port Count information 301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * along with I/O address and IRQ. 311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 13/12/99 sameer Fixed the problem with IRQ sharing. 331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 10/5/00 sameer Fixed isicom_shutdown_board() 351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * to not lower DTR on all the ports 36d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby * when the last port on the card is 371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * closed. 381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 10/5/00 sameer Signal mask setup command added 40d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby * to isicom_setup_port and 411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * isicom_shutdown_port. 421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 24/5/00 sameer The driver is now SMP aware. 44d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby * 45d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby * 461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 27/11/00 Vinayak P Risbud Fixed the Driver Crash Problem 47d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby * 48d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby * 491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 03/01/01 anil .s Added support for resetting the 501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * internal modems on ISI cards. 511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 08/02/01 anil .s Upgraded the driver for kernel 531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 2.4.x 541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 55d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby * 11/04/01 Kevin Fixed firmware load problem with 561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * ISIHP-4X card 57d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby * 581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 30/04/01 anil .s Fixed the remote login through 591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * ISI port problem. Now the link 601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * does not go down before password 611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * prompt. 621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 03/05/01 anil .s Fixed the problem with IRQ sharing 641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * among ISI-PCI cards. 651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 03/05/01 anil .s Added support to display the version 67d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby * info during insmod as well as module 681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * listing by lsmod. 69d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby * 701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 10/05/01 anil .s Done the modifications to the source 711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * file and Install script so that the 721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * same installation can be used for 731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 2.2.x and 2.4.x kernel. 741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 06/06/01 anil .s Now we drop both dtr and rts during 761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * shutdown_port as well as raise them 771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * during isicom_config_port. 78d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby * 791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 09/06/01 acme@conectiva.com.br use capable, not suser, do 801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * restore_flags on failure in 811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * isicom_send_break, verify put_user 821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * result 831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 84d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby * 11/02/03 ranjeeth Added support for 230 Kbps and 460 Kbps 85d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby * Baud index extended to 21 86d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby * 87d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby * 20/03/03 ranjeeth Made to work for Linux Advanced server. 88d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby * Taken care of license warning. 89d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby * 90d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby * 10/12/03 Ravindra Made to work for Fedora Core 1 of 911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Red Hat Distribution 921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 06/01/05 Alan Cox Merged the ISI and base kernel strands 941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * into a single 2.6 driver 951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * *********************************************************** 971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 98d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby * To use this driver you also need the support package. You 991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * can find this in RPM format on 1001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * ftp://ftp.linux.org.uk/pub/linux/alan 101d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby * 1021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * You can find the original tools for this direct from Multitech 1031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * ftp://ftp.multitech.com/ISI-Cards/ 1041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 105970e2486492aa1eb47a436a5a4c81e92558986a9Lucas De Marchi * Having installed the cards the module options (/etc/modprobe.d/) 1061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 1071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * options isicom io=card1,card2,card3,card4 irq=card1,card2,card3,card4 1081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 1091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Omit those entries for boards you don't have installed. 1101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 1111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * TODO 1121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Merge testing 1131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 64-bit verification 1141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 116db91340b2e874693f14e9e937152e7433d7ac753Joe Perches#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 117db91340b2e874693f14e9e937152e7433d7ac753Joe Perches 1181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/module.h> 119e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby#include <linux/firmware.h> 1201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/kernel.h> 1211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/tty.h> 12233f0f88f1c51ae5c2d593d26960c760ea154c2e2Alan Cox#include <linux/tty_flip.h> 1231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/termios.h> 1241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/fs.h> 1251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/sched.h> 1261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/serial.h> 1271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/mm.h> 1281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/interrupt.h> 1291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/timer.h> 1301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/delay.h> 1311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/ioport.h> 1325a0e3ad6af8660be21ca98a971cd00f331318c05Tejun Heo#include <linux/slab.h> 1331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 134251b8dd7eee30fda089a1dc088abf4fc9a0dee9cAlan Cox#include <linux/uaccess.h> 135251b8dd7eee30fda089a1dc088abf4fc9a0dee9cAlan Cox#include <linux/io.h> 1361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/pci.h> 1381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/isicom.h> 1401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 141aaa246ea78c68cd205f505070650cda7c5a95d34Jiri Slaby#define InterruptTheCard(base) outw(0, (base) + 0xc) 142aaa246ea78c68cd205f505070650cda7c5a95d34Jiri Slaby#define ClearInterrupt(base) inw((base) + 0x0a) 143aaa246ea78c68cd205f505070650cda7c5a95d34Jiri Slaby 144aaa246ea78c68cd205f505070650cda7c5a95d34Jiri Slaby#ifdef DEBUG 145aaa246ea78c68cd205f505070650cda7c5a95d34Jiri Slaby#define isicom_paranoia_check(a, b, c) __isicom_paranoia_check((a), (b), (c)) 146aaa246ea78c68cd205f505070650cda7c5a95d34Jiri Slaby#else 147aaa246ea78c68cd205f505070650cda7c5a95d34Jiri Slaby#define isicom_paranoia_check(a, b, c) 0 148aaa246ea78c68cd205f505070650cda7c5a95d34Jiri Slaby#endif 149aaa246ea78c68cd205f505070650cda7c5a95d34Jiri Slaby 1509ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slabystatic int isicom_probe(struct pci_dev *, const struct pci_device_id *); 1519ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slabystatic void __devexit isicom_remove(struct pci_dev *); 1529ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby 1531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct pci_device_id isicom_pci_tbl[] = { 1549ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby { PCI_DEVICE(VENDOR_ID, 0x2028) }, 1559ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby { PCI_DEVICE(VENDOR_ID, 0x2051) }, 1569ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby { PCI_DEVICE(VENDOR_ID, 0x2052) }, 1579ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby { PCI_DEVICE(VENDOR_ID, 0x2053) }, 1589ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby { PCI_DEVICE(VENDOR_ID, 0x2054) }, 1599ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby { PCI_DEVICE(VENDOR_ID, 0x2055) }, 1609ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby { PCI_DEVICE(VENDOR_ID, 0x2056) }, 1619ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby { PCI_DEVICE(VENDOR_ID, 0x2057) }, 1629ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby { PCI_DEVICE(VENDOR_ID, 0x2058) }, 1631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 0 } 1641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 1651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_DEVICE_TABLE(pci, isicom_pci_tbl); 1661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1679ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slabystatic struct pci_driver isicom_driver = { 1689ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby .name = "isicom", 1699ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby .id_table = isicom_pci_tbl, 1709ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby .probe = isicom_probe, 1719ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby .remove = __devexit_p(isicom_remove) 1729ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby}; 1739ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby 1741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int prev_card = 3; /* start servicing isi_card[0] */ 1751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct tty_driver *isicom_normal; 1761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void isicom_tx(unsigned long _data); 178d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slabystatic void isicom_start(struct tty_struct *tty); 1791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18034b55b865ed12494e23b09b5d2e8da22047fd6a7Jiri Slabystatic DEFINE_TIMER(tx, isicom_tx, 0, 0); 18134b55b865ed12494e23b09b5d2e8da22047fd6a7Jiri Slaby 1821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* baud index mappings from linux defns to isi */ 1831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic signed char linuxb_to_isib[] = { 1857edc136ab688f751037a86e8a051151d7962d33fJiri Slaby -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 13, 15, 16, 17, 18, 19, 20, 21 1861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 1871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct isi_board { 1898070e35c6524e0f254cd69f493c50811e8e5b856Jiri Slaby unsigned long base; 1904969b3a43dd9e234b363f7bf52d0f6c4b6139eeaJiri Slaby int irq; 1911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char port_count; 1921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned short status; 193a547dfe9563c49fd0f9743640e01d1d652119ec7Jiri Slaby unsigned short port_status; /* each bit for each port */ 1941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned short shift_count; 195251b8dd7eee30fda089a1dc088abf4fc9a0dee9cAlan Cox struct isi_port *ports; 1961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds signed char count; 1971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spinlock_t card_lock; /* Card wide lock 11/5/00 -sameer */ 1981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long flags; 199938a7023bbbc626b0ab7ece13fe8cb26cfcc486bJiri Slaby unsigned int index; 2001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 2011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct isi_port { 2031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned short magic; 204f1d03228ea85877584d41bccf62841e7ca47043cAlan Cox struct tty_port port; 2058070e35c6524e0f254cd69f493c50811e8e5b856Jiri Slaby u16 channel; 2068070e35c6524e0f254cd69f493c50811e8e5b856Jiri Slaby u16 status; 207251b8dd7eee30fda089a1dc088abf4fc9a0dee9cAlan Cox struct isi_board *card; 208251b8dd7eee30fda089a1dc088abf4fc9a0dee9cAlan Cox unsigned char *xmit_buf; 2091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int xmit_head; 2101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int xmit_tail; 2111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int xmit_cnt; 2121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 2131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct isi_board isi_card[BOARD_COUNT]; 2151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct isi_port isi_ports[PORT_COUNT]; 2161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 2181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Locking functions for card level locking. We need to own both 2191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the kernel lock for the card and have the card in a position that 2201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * it wants to talk. 2211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 222d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 2234969b3a43dd9e234b363f7bf52d0f6c4b6139eeaJiri Slabystatic inline int WaitTillCardIsFree(unsigned long base) 224cfe7c09ac2be2a89aa46bb23d480d9d908e8c041Jiri Slaby{ 225cfe7c09ac2be2a89aa46bb23d480d9d908e8c041Jiri Slaby unsigned int count = 0; 226cfe7c09ac2be2a89aa46bb23d480d9d908e8c041Jiri Slaby unsigned int a = in_atomic(); /* do we run under spinlock? */ 227cfe7c09ac2be2a89aa46bb23d480d9d908e8c041Jiri Slaby 228cfe7c09ac2be2a89aa46bb23d480d9d908e8c041Jiri Slaby while (!(inw(base + 0xe) & 0x1) && count++ < 100) 229cfe7c09ac2be2a89aa46bb23d480d9d908e8c041Jiri Slaby if (a) 230cfe7c09ac2be2a89aa46bb23d480d9d908e8c041Jiri Slaby mdelay(1); 231cfe7c09ac2be2a89aa46bb23d480d9d908e8c041Jiri Slaby else 232cfe7c09ac2be2a89aa46bb23d480d9d908e8c041Jiri Slaby msleep(1); 233cfe7c09ac2be2a89aa46bb23d480d9d908e8c041Jiri Slaby 234cfe7c09ac2be2a89aa46bb23d480d9d908e8c041Jiri Slaby return !(inw(base + 0xe) & 0x1); 235cfe7c09ac2be2a89aa46bb23d480d9d908e8c041Jiri Slaby} 236cfe7c09ac2be2a89aa46bb23d480d9d908e8c041Jiri Slaby 2371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int lock_card(struct isi_board *card) 2381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2398070e35c6524e0f254cd69f493c50811e8e5b856Jiri Slaby unsigned long base = card->base; 2405b21f9dddd0817b761f1407f1950bee4f257411aJiri Slaby unsigned int retries, a; 2411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2425b21f9dddd0817b761f1407f1950bee4f257411aJiri Slaby for (retries = 0; retries < 10; retries++) { 2431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_lock_irqsave(&card->card_lock, card->flags); 2445b21f9dddd0817b761f1407f1950bee4f257411aJiri Slaby for (a = 0; a < 10; a++) { 2455b21f9dddd0817b761f1407f1950bee4f257411aJiri Slaby if (inw(base + 0xe) & 0x1) 2465b21f9dddd0817b761f1407f1950bee4f257411aJiri Slaby return 1; 2475b21f9dddd0817b761f1407f1950bee4f257411aJiri Slaby udelay(10); 2481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2495b21f9dddd0817b761f1407f1950bee4f257411aJiri Slaby spin_unlock_irqrestore(&card->card_lock, card->flags); 2505b21f9dddd0817b761f1407f1950bee4f257411aJiri Slaby msleep(10); 2511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 252db91340b2e874693f14e9e937152e7433d7ac753Joe Perches pr_warning("Failed to lock Card (0x%lx)\n", card->base); 253a547dfe9563c49fd0f9743640e01d1d652119ec7Jiri Slaby 2540418726bb5c7b5a70c7e7e82e860d5979d0c78cfAdrian Bunk return 0; /* Failed to acquire the card! */ 2551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void unlock_card(struct isi_board *card) 2581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_unlock_irqrestore(&card->card_lock, card->flags); 2601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 2631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * ISI Card specific ops ... 2641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 265d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 266cfe7c09ac2be2a89aa46bb23d480d9d908e8c041Jiri Slaby/* card->lock HAS to be held */ 267d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slabystatic void raise_dtr(struct isi_port *port) 2681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 269d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby struct isi_board *card = port->card; 2708070e35c6524e0f254cd69f493c50811e8e5b856Jiri Slaby unsigned long base = card->base; 2718070e35c6524e0f254cd69f493c50811e8e5b856Jiri Slaby u16 channel = port->channel; 2721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 273cfe7c09ac2be2a89aa46bb23d480d9d908e8c041Jiri Slaby if (WaitTillCardIsFree(base)) 2741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 2751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 276d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby outw(0x8000 | (channel << card->shift_count) | 0x02, base); 2771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outw(0x0504, base); 2781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds InterruptTheCard(base); 2791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds port->status |= ISI_DTR; 2801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 282cfe7c09ac2be2a89aa46bb23d480d9d908e8c041Jiri Slaby/* card->lock HAS to be held */ 283d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slabystatic inline void drop_dtr(struct isi_port *port) 284d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby{ 285d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby struct isi_board *card = port->card; 2868070e35c6524e0f254cd69f493c50811e8e5b856Jiri Slaby unsigned long base = card->base; 2878070e35c6524e0f254cd69f493c50811e8e5b856Jiri Slaby u16 channel = port->channel; 2881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 289cfe7c09ac2be2a89aa46bb23d480d9d908e8c041Jiri Slaby if (WaitTillCardIsFree(base)) 2901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 2911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 292d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby outw(0x8000 | (channel << card->shift_count) | 0x02, base); 2931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outw(0x0404, base); 294d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby InterruptTheCard(base); 2951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds port->status &= ~ISI_DTR; 2961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 298cfe7c09ac2be2a89aa46bb23d480d9d908e8c041Jiri Slaby/* card->lock HAS to be held */ 299d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slabystatic inline void raise_rts(struct isi_port *port) 3001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 301d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby struct isi_board *card = port->card; 3028070e35c6524e0f254cd69f493c50811e8e5b856Jiri Slaby unsigned long base = card->base; 3038070e35c6524e0f254cd69f493c50811e8e5b856Jiri Slaby u16 channel = port->channel; 3041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 305cfe7c09ac2be2a89aa46bb23d480d9d908e8c041Jiri Slaby if (WaitTillCardIsFree(base)) 3061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 3071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 308d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby outw(0x8000 | (channel << card->shift_count) | 0x02, base); 3091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outw(0x0a04, base); 310d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby InterruptTheCard(base); 3111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds port->status |= ISI_RTS; 3121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 313cfe7c09ac2be2a89aa46bb23d480d9d908e8c041Jiri Slaby 314cfe7c09ac2be2a89aa46bb23d480d9d908e8c041Jiri Slaby/* card->lock HAS to be held */ 315d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slabystatic inline void drop_rts(struct isi_port *port) 3161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 317d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby struct isi_board *card = port->card; 3188070e35c6524e0f254cd69f493c50811e8e5b856Jiri Slaby unsigned long base = card->base; 3198070e35c6524e0f254cd69f493c50811e8e5b856Jiri Slaby u16 channel = port->channel; 3201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 321cfe7c09ac2be2a89aa46bb23d480d9d908e8c041Jiri Slaby if (WaitTillCardIsFree(base)) 3221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 3231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 324d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby outw(0x8000 | (channel << card->shift_count) | 0x02, base); 3251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outw(0x0804, base); 326d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby InterruptTheCard(base); 3271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds port->status &= ~ISI_RTS; 3281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 330cfe7c09ac2be2a89aa46bb23d480d9d908e8c041Jiri Slaby/* card->lock MUST NOT be held */ 3315d951fb458f847e5485b5251597fbf326000bb3bAlan Cox 332fcc8ac1825d3d0fb81f73bc1a80ebc863168bb56Alan Coxstatic void isicom_dtr_rts(struct tty_port *port, int on) 3331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3345d951fb458f847e5485b5251597fbf326000bb3bAlan Cox struct isi_port *ip = container_of(port, struct isi_port, port); 3355d951fb458f847e5485b5251597fbf326000bb3bAlan Cox struct isi_board *card = ip->card; 3368070e35c6524e0f254cd69f493c50811e8e5b856Jiri Slaby unsigned long base = card->base; 3375d951fb458f847e5485b5251597fbf326000bb3bAlan Cox u16 channel = ip->channel; 3381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!lock_card(card)) 3401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 3411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 342fcc8ac1825d3d0fb81f73bc1a80ebc863168bb56Alan Cox if (on) { 343fcc8ac1825d3d0fb81f73bc1a80ebc863168bb56Alan Cox outw(0x8000 | (channel << card->shift_count) | 0x02, base); 344fcc8ac1825d3d0fb81f73bc1a80ebc863168bb56Alan Cox outw(0x0f04, base); 345fcc8ac1825d3d0fb81f73bc1a80ebc863168bb56Alan Cox InterruptTheCard(base); 346fcc8ac1825d3d0fb81f73bc1a80ebc863168bb56Alan Cox ip->status |= (ISI_DTR | ISI_RTS); 347fcc8ac1825d3d0fb81f73bc1a80ebc863168bb56Alan Cox } else { 348fcc8ac1825d3d0fb81f73bc1a80ebc863168bb56Alan Cox outw(0x8000 | (channel << card->shift_count) | 0x02, base); 349fcc8ac1825d3d0fb81f73bc1a80ebc863168bb56Alan Cox outw(0x0C04, base); 350fcc8ac1825d3d0fb81f73bc1a80ebc863168bb56Alan Cox InterruptTheCard(base); 351fcc8ac1825d3d0fb81f73bc1a80ebc863168bb56Alan Cox ip->status &= ~(ISI_DTR | ISI_RTS); 352fcc8ac1825d3d0fb81f73bc1a80ebc863168bb56Alan Cox } 3531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unlock_card(card); 3541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 356cfe7c09ac2be2a89aa46bb23d480d9d908e8c041Jiri Slaby/* card->lock HAS to be held */ 357d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slabystatic void drop_dtr_rts(struct isi_port *port) 3581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 359d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby struct isi_board *card = port->card; 3608070e35c6524e0f254cd69f493c50811e8e5b856Jiri Slaby unsigned long base = card->base; 3618070e35c6524e0f254cd69f493c50811e8e5b856Jiri Slaby u16 channel = port->channel; 3621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 363cfe7c09ac2be2a89aa46bb23d480d9d908e8c041Jiri Slaby if (WaitTillCardIsFree(base)) 3641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 3651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 366d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby outw(0x8000 | (channel << card->shift_count) | 0x02, base); 3671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outw(0x0c04, base); 368d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby InterruptTheCard(base); 3691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds port->status &= ~(ISI_RTS | ISI_DTR); 3701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 3731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * ISICOM Driver specific routines ... 3741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 3751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 376d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 377aaa246ea78c68cd205f505070650cda7c5a95d34Jiri Slabystatic inline int __isicom_paranoia_check(struct isi_port const *port, 378aaa246ea78c68cd205f505070650cda7c5a95d34Jiri Slaby char *name, const char *routine) 3791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!port) { 381db91340b2e874693f14e9e937152e7433d7ac753Joe Perches pr_warning("Warning: bad isicom magic for dev %s in %s.\n", 382db91340b2e874693f14e9e937152e7433d7ac753Joe Perches name, routine); 3831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 3841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (port->magic != ISICOM_MAGIC) { 386db91340b2e874693f14e9e937152e7433d7ac753Joe Perches pr_warning("Warning: NULL isicom port for dev %s in %s.\n", 387db91340b2e874693f14e9e937152e7433d7ac753Joe Perches name, routine); 3881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 389d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby } 390aaa246ea78c68cd205f505070650cda7c5a95d34Jiri Slaby 3911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 3921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 393d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 3941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 395d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby * Transmitter. 3961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 3971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * We shovel data into the card buffers on a regular basis. The card 3981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * will do the rest of the work for us. 3991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 4001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void isicom_tx(unsigned long _data) 4021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4034969b3a43dd9e234b363f7bf52d0f6c4b6139eeaJiri Slaby unsigned long flags, base; 4045b21f9dddd0817b761f1407f1950bee4f257411aJiri Slaby unsigned int retries; 4054969b3a43dd9e234b363f7bf52d0f6c4b6139eeaJiri Slaby short count = (BOARD_COUNT-1), card; 4061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds short txcount, wrd, residue, word_count, cnt; 407d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby struct isi_port *port; 408d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby struct tty_struct *tty; 409d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 4101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* find next active board */ 4111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card = (prev_card + 1) & 0x0003; 412251b8dd7eee30fda089a1dc088abf4fc9a0dee9cAlan Cox while (count-- > 0) { 413d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby if (isi_card[card].status & BOARD_ACTIVE) 4141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 415d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby card = (card + 1) & 0x0003; 4161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!(isi_card[card].status & BOARD_ACTIVE)) 4181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto sched_again; 419d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 4201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds prev_card = card; 421d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 4221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds count = isi_card[card].port_count; 4231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds port = isi_card[card].ports; 4241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds base = isi_card[card].base; 4255b21f9dddd0817b761f1407f1950bee4f257411aJiri Slaby 4265b21f9dddd0817b761f1407f1950bee4f257411aJiri Slaby spin_lock_irqsave(&isi_card[card].card_lock, flags); 4275b21f9dddd0817b761f1407f1950bee4f257411aJiri Slaby for (retries = 0; retries < 100; retries++) { 4285b21f9dddd0817b761f1407f1950bee4f257411aJiri Slaby if (inw(base + 0xe) & 0x1) 4295b21f9dddd0817b761f1407f1950bee4f257411aJiri Slaby break; 4305b21f9dddd0817b761f1407f1950bee4f257411aJiri Slaby udelay(2); 4315b21f9dddd0817b761f1407f1950bee4f257411aJiri Slaby } 4325b21f9dddd0817b761f1407f1950bee4f257411aJiri Slaby if (retries >= 100) 4335b21f9dddd0817b761f1407f1950bee4f257411aJiri Slaby goto unlock; 4345b21f9dddd0817b761f1407f1950bee4f257411aJiri Slaby 435d450b5a0196b6442cf3f29fc611d9c8daa56b559Alan Cox tty = tty_port_tty_get(&port->port); 436d450b5a0196b6442cf3f29fc611d9c8daa56b559Alan Cox if (tty == NULL) 437d450b5a0196b6442cf3f29fc611d9c8daa56b559Alan Cox goto put_unlock; 438d450b5a0196b6442cf3f29fc611d9c8daa56b559Alan Cox 439251b8dd7eee30fda089a1dc088abf4fc9a0dee9cAlan Cox for (; count > 0; count--, port++) { 4401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* port not active or tx disabled to force flow control */ 441f1d03228ea85877584d41bccf62841e7ca47043cAlan Cox if (!(port->port.flags & ASYNC_INITIALIZED) || 442d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby !(port->status & ISI_TXOK)) 4431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds continue; 444d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 4451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds txcount = min_t(short, TX_SIZE, port->xmit_cnt); 4465b21f9dddd0817b761f1407f1950bee4f257411aJiri Slaby if (txcount <= 0 || tty->stopped || tty->hw_stopped) 4471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds continue; 4485b21f9dddd0817b761f1407f1950bee4f257411aJiri Slaby 4495b21f9dddd0817b761f1407f1950bee4f257411aJiri Slaby if (!(inw(base + 0x02) & (1 << port->channel))) 450d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby continue; 4515b21f9dddd0817b761f1407f1950bee4f257411aJiri Slaby 452db91340b2e874693f14e9e937152e7433d7ac753Joe Perches pr_debug("txing %d bytes, port%d.\n", 453db91340b2e874693f14e9e937152e7433d7ac753Joe Perches txcount, port->channel + 1); 454aaa246ea78c68cd205f505070650cda7c5a95d34Jiri Slaby outw((port->channel << isi_card[card].shift_count) | txcount, 455aaa246ea78c68cd205f505070650cda7c5a95d34Jiri Slaby base); 4561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds residue = NO; 457d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby wrd = 0; 4581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while (1) { 459a547dfe9563c49fd0f9743640e01d1d652119ec7Jiri Slaby cnt = min_t(int, txcount, (SERIAL_XMIT_SIZE 460a547dfe9563c49fd0f9743640e01d1d652119ec7Jiri Slaby - port->xmit_tail)); 4611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (residue == YES) { 4621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds residue = NO; 4631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (cnt > 0) { 464f1d03228ea85877584d41bccf62841e7ca47043cAlan Cox wrd |= (port->port.xmit_buf[port->xmit_tail] 465a547dfe9563c49fd0f9743640e01d1d652119ec7Jiri Slaby << 8); 466a547dfe9563c49fd0f9743640e01d1d652119ec7Jiri Slaby port->xmit_tail = (port->xmit_tail + 1) 467a547dfe9563c49fd0f9743640e01d1d652119ec7Jiri Slaby & (SERIAL_XMIT_SIZE - 1); 4681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds port->xmit_cnt--; 4691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds txcount--; 4701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cnt--; 471d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby outw(wrd, base); 472a547dfe9563c49fd0f9743640e01d1d652119ec7Jiri Slaby } else { 4731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outw(wrd, base); 4741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 4751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 476d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby } 477251b8dd7eee30fda089a1dc088abf4fc9a0dee9cAlan Cox if (cnt <= 0) 478251b8dd7eee30fda089a1dc088abf4fc9a0dee9cAlan Cox break; 4791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds word_count = cnt >> 1; 480f1d03228ea85877584d41bccf62841e7ca47043cAlan Cox outsw(base, port->port.xmit_buf+port->xmit_tail, word_count); 481a547dfe9563c49fd0f9743640e01d1d652119ec7Jiri Slaby port->xmit_tail = (port->xmit_tail 482a547dfe9563c49fd0f9743640e01d1d652119ec7Jiri Slaby + (word_count << 1)) & (SERIAL_XMIT_SIZE - 1); 4831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds txcount -= (word_count << 1); 4841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds port->xmit_cnt -= (word_count << 1); 4851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (cnt & 0x0001) { 4861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds residue = YES; 487f1d03228ea85877584d41bccf62841e7ca47043cAlan Cox wrd = port->port.xmit_buf[port->xmit_tail]; 488a547dfe9563c49fd0f9743640e01d1d652119ec7Jiri Slaby port->xmit_tail = (port->xmit_tail + 1) 489a547dfe9563c49fd0f9743640e01d1d652119ec7Jiri Slaby & (SERIAL_XMIT_SIZE - 1); 4901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds port->xmit_cnt--; 4911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds txcount--; 4921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds InterruptTheCard(base); 4961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (port->xmit_cnt <= 0) 4971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds port->status &= ~ISI_TXOK; 4981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (port->xmit_cnt <= WAKEUP_CHARS) 4990aa5de8590d684274f57647a870851f101bb3543Jiri Slaby tty_wakeup(tty); 500d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby } 5011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 502d450b5a0196b6442cf3f29fc611d9c8daa56b559Alan Coxput_unlock: 503d450b5a0196b6442cf3f29fc611d9c8daa56b559Alan Cox tty_kref_put(tty); 5045b21f9dddd0817b761f1407f1950bee4f257411aJiri Slabyunlock: 5055b21f9dddd0817b761f1407f1950bee4f257411aJiri Slaby spin_unlock_irqrestore(&isi_card[card].card_lock, flags); 506d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby /* schedule another tx for hopefully in about 10ms */ 507d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slabysched_again: 50834b55b865ed12494e23b09b5d2e8da22047fd6a7Jiri Slaby mod_timer(&tx, jiffies + msecs_to_jiffies(10)); 509d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby} 510d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 5111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 512d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby * Main interrupt handler routine 5131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 514d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 5157d12e780e003f93433d49ce78cfedf4b4c52adc5David Howellsstatic irqreturn_t isicom_interrupt(int irq, void *dev_id) 5161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5178070e35c6524e0f254cd69f493c50811e8e5b856Jiri Slaby struct isi_board *card = dev_id; 518d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby struct isi_port *port; 519d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby struct tty_struct *tty; 5208070e35c6524e0f254cd69f493c50811e8e5b856Jiri Slaby unsigned long base; 5218070e35c6524e0f254cd69f493c50811e8e5b856Jiri Slaby u16 header, word_count, count, channel; 5221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds short byte_count; 52333f0f88f1c51ae5c2d593d26960c760ea154c2e2Alan Cox unsigned char *rp; 524d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 5251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!card || !(card->status & FIRMWARE_LOADED)) 5261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return IRQ_NONE; 527d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 5281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds base = card->base; 529cb4a10ccb0c5b5b02dec1a4a97cba1e8b2c2a325Jiri Slaby 530cb4a10ccb0c5b5b02dec1a4a97cba1e8b2c2a325Jiri Slaby /* did the card interrupt us? */ 531cb4a10ccb0c5b5b02dec1a4a97cba1e8b2c2a325Jiri Slaby if (!(inw(base + 0x0e) & 0x02)) 532cb4a10ccb0c5b5b02dec1a4a97cba1e8b2c2a325Jiri Slaby return IRQ_NONE; 533cb4a10ccb0c5b5b02dec1a4a97cba1e8b2c2a325Jiri Slaby 5341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_lock(&card->card_lock); 535d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 53618234f88bc27473f15293a03c83bcb53da9018b4Jiri Slaby /* 53718234f88bc27473f15293a03c83bcb53da9018b4Jiri Slaby * disable any interrupts from the PCI card and lower the 53818234f88bc27473f15293a03c83bcb53da9018b4Jiri Slaby * interrupt line 53918234f88bc27473f15293a03c83bcb53da9018b4Jiri Slaby */ 54018234f88bc27473f15293a03c83bcb53da9018b4Jiri Slaby outw(0x8000, base+0x04); 54118234f88bc27473f15293a03c83bcb53da9018b4Jiri Slaby ClearInterrupt(base); 542d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 5431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds inw(base); /* get the dummy word out */ 5441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds header = inw(base); 5451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds channel = (header & 0x7800) >> card->shift_count; 5461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds byte_count = header & 0xff; 5471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (channel + 1 > card->port_count) { 549db91340b2e874693f14e9e937152e7433d7ac753Joe Perches pr_warning("%s(0x%lx): %d(channel) > port_count.\n", 550db91340b2e874693f14e9e937152e7433d7ac753Joe Perches __func__, base, channel+1); 55118234f88bc27473f15293a03c83bcb53da9018b4Jiri Slaby outw(0x0000, base+0x04); /* enable interrupts */ 5521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_unlock(&card->card_lock); 553d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby return IRQ_HANDLED; 5541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds port = card->ports + channel; 556f1d03228ea85877584d41bccf62841e7ca47043cAlan Cox if (!(port->port.flags & ASYNC_INITIALIZED)) { 55718234f88bc27473f15293a03c83bcb53da9018b4Jiri Slaby outw(0x0000, base+0x04); /* enable interrupts */ 558174f13076717b8c7b70a18a474a0541a31d24527Jiri Slaby spin_unlock(&card->card_lock); 5591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return IRQ_HANDLED; 560d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby } 561d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 562d450b5a0196b6442cf3f29fc611d9c8daa56b559Alan Cox tty = tty_port_tty_get(&port->port); 5631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (tty == NULL) { 5641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds word_count = byte_count >> 1; 565251b8dd7eee30fda089a1dc088abf4fc9a0dee9cAlan Cox while (byte_count > 1) { 5661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds inw(base); 5671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds byte_count -= 2; 5681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (byte_count & 0x01) 5701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds inw(base); 57118234f88bc27473f15293a03c83bcb53da9018b4Jiri Slaby outw(0x0000, base+0x04); /* enable interrupts */ 5721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_unlock(&card->card_lock); 5731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return IRQ_HANDLED; 5741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 575d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 5761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (header & 0x8000) { /* Status Packet */ 5771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds header = inw(base); 578251b8dd7eee30fda089a1dc088abf4fc9a0dee9cAlan Cox switch (header & 0xff) { 579d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby case 0: /* Change in EIA signals */ 580f1d03228ea85877584d41bccf62841e7ca47043cAlan Cox if (port->port.flags & ASYNC_CHECK_CD) { 581d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby if (port->status & ISI_DCD) { 582d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby if (!(header & ISI_DCD)) { 583d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby /* Carrier has been lost */ 584db91340b2e874693f14e9e937152e7433d7ac753Joe Perches pr_debug("%s: DCD->low.\n", 585db91340b2e874693f14e9e937152e7433d7ac753Joe Perches __func__); 586d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby port->status &= ~ISI_DCD; 5870aa5de8590d684274f57647a870851f101bb3543Jiri Slaby tty_hangup(tty); 5881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 589a547dfe9563c49fd0f9743640e01d1d652119ec7Jiri Slaby } else if (header & ISI_DCD) { 590a547dfe9563c49fd0f9743640e01d1d652119ec7Jiri Slaby /* Carrier has been detected */ 591db91340b2e874693f14e9e937152e7433d7ac753Joe Perches pr_debug("%s: DCD->high.\n", 592db91340b2e874693f14e9e937152e7433d7ac753Joe Perches __func__); 593a547dfe9563c49fd0f9743640e01d1d652119ec7Jiri Slaby port->status |= ISI_DCD; 594f1d03228ea85877584d41bccf62841e7ca47043cAlan Cox wake_up_interruptible(&port->port.open_wait); 5951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 596a547dfe9563c49fd0f9743640e01d1d652119ec7Jiri Slaby } else { 597d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby if (header & ISI_DCD) 598d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby port->status |= ISI_DCD; 599d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby else 600d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby port->status &= ~ISI_DCD; 601d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby } 602d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 603f1d03228ea85877584d41bccf62841e7ca47043cAlan Cox if (port->port.flags & ASYNC_CTS_FLOW) { 604d450b5a0196b6442cf3f29fc611d9c8daa56b559Alan Cox if (tty->hw_stopped) { 605d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby if (header & ISI_CTS) { 606f1d03228ea85877584d41bccf62841e7ca47043cAlan Cox port->port.tty->hw_stopped = 0; 607d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby /* start tx ing */ 608a547dfe9563c49fd0f9743640e01d1d652119ec7Jiri Slaby port->status |= (ISI_TXOK 609a547dfe9563c49fd0f9743640e01d1d652119ec7Jiri Slaby | ISI_CTS); 6100aa5de8590d684274f57647a870851f101bb3543Jiri Slaby tty_wakeup(tty); 6111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 612a547dfe9563c49fd0f9743640e01d1d652119ec7Jiri Slaby } else if (!(header & ISI_CTS)) { 613d450b5a0196b6442cf3f29fc611d9c8daa56b559Alan Cox tty->hw_stopped = 1; 614a547dfe9563c49fd0f9743640e01d1d652119ec7Jiri Slaby /* stop tx ing */ 615a547dfe9563c49fd0f9743640e01d1d652119ec7Jiri Slaby port->status &= ~(ISI_TXOK | ISI_CTS); 6161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 617a547dfe9563c49fd0f9743640e01d1d652119ec7Jiri Slaby } else { 618d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby if (header & ISI_CTS) 619d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby port->status |= ISI_CTS; 6201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 621d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby port->status &= ~ISI_CTS; 622d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby } 623d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 624d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby if (header & ISI_DSR) 625d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby port->status |= ISI_DSR; 626d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby else 627d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby port->status &= ~ISI_DSR; 628d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 629d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby if (header & ISI_RI) 630d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby port->status |= ISI_RI; 631d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby else 632d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby port->status &= ~ISI_RI; 633d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 634d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby break; 635d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 636a547dfe9563c49fd0f9743640e01d1d652119ec7Jiri Slaby case 1: /* Received Break !!! */ 637d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby tty_insert_flip_char(tty, 0, TTY_BREAK); 638f1d03228ea85877584d41bccf62841e7ca47043cAlan Cox if (port->port.flags & ASYNC_SAK) 639d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby do_SAK(tty); 640d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby tty_flip_buffer_push(tty); 641d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby break; 642d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 643d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby case 2: /* Statistics */ 644db91340b2e874693f14e9e937152e7433d7ac753Joe Perches pr_debug("%s: stats!!!\n", __func__); 645d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby break; 646d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 647d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby default: 648db91340b2e874693f14e9e937152e7433d7ac753Joe Perches pr_debug("%s: Unknown code in status packet.\n", 649db91340b2e874693f14e9e937152e7433d7ac753Joe Perches __func__); 650d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby break; 651d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby } 652a547dfe9563c49fd0f9743640e01d1d652119ec7Jiri Slaby } else { /* Data Packet */ 65333f0f88f1c51ae5c2d593d26960c760ea154c2e2Alan Cox 65433f0f88f1c51ae5c2d593d26960c760ea154c2e2Alan Cox count = tty_prepare_flip_string(tty, &rp, byte_count & ~1); 655db91340b2e874693f14e9e937152e7433d7ac753Joe Perches pr_debug("%s: Can rx %d of %d bytes.\n", 656db91340b2e874693f14e9e937152e7433d7ac753Joe Perches __func__, count, byte_count); 6571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds word_count = count >> 1; 65833f0f88f1c51ae5c2d593d26960c760ea154c2e2Alan Cox insw(base, rp, word_count); 6591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds byte_count -= (word_count << 1); 6601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (count & 0x0001) { 661a547dfe9563c49fd0f9743640e01d1d652119ec7Jiri Slaby tty_insert_flip_char(tty, inw(base) & 0xff, 662a547dfe9563c49fd0f9743640e01d1d652119ec7Jiri Slaby TTY_NORMAL); 6631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds byte_count -= 2; 664d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby } 6651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (byte_count > 0) { 666db91340b2e874693f14e9e937152e7433d7ac753Joe Perches pr_debug("%s(0x%lx:%d): Flip buffer overflow! dropping bytes...\n", 667db91340b2e874693f14e9e937152e7433d7ac753Joe Perches __func__, base, channel + 1); 668251b8dd7eee30fda089a1dc088abf4fc9a0dee9cAlan Cox /* drain out unread xtra data */ 669251b8dd7eee30fda089a1dc088abf4fc9a0dee9cAlan Cox while (byte_count > 0) { 6701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds inw(base); 6711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds byte_count -= 2; 6721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 67433f0f88f1c51ae5c2d593d26960c760ea154c2e2Alan Cox tty_flip_buffer_push(tty); 6751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 67618234f88bc27473f15293a03c83bcb53da9018b4Jiri Slaby outw(0x0000, base+0x04); /* enable interrupts */ 677174f13076717b8c7b70a18a474a0541a31d24527Jiri Slaby spin_unlock(&card->card_lock); 678d450b5a0196b6442cf3f29fc611d9c8daa56b559Alan Cox tty_kref_put(tty); 679a547dfe9563c49fd0f9743640e01d1d652119ec7Jiri Slaby 6801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return IRQ_HANDLED; 681d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby} 6821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 683d450b5a0196b6442cf3f29fc611d9c8daa56b559Alan Coxstatic void isicom_config_port(struct tty_struct *tty) 6841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 685d450b5a0196b6442cf3f29fc611d9c8daa56b559Alan Cox struct isi_port *port = tty->driver_data; 686d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby struct isi_board *card = port->card; 6871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long baud; 6888070e35c6524e0f254cd69f493c50811e8e5b856Jiri Slaby unsigned long base = card->base; 6898070e35c6524e0f254cd69f493c50811e8e5b856Jiri Slaby u16 channel_setup, channel = port->channel, 6908070e35c6524e0f254cd69f493c50811e8e5b856Jiri Slaby shift_count = card->shift_count; 6911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char flow_ctrl; 692d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 693251b8dd7eee30fda089a1dc088abf4fc9a0dee9cAlan Cox /* FIXME: Switch to new tty baud API */ 6941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds baud = C_BAUD(tty); 6951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (baud & CBAUDEX) { 6961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds baud &= ~CBAUDEX; 697d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 6981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* if CBAUDEX bit is on and the baud is set to either 50 or 75 6991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * then the card is programmed for 57.6Kbps or 115Kbps 7001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * respectively. 701d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby */ 702d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 7037edc136ab688f751037a86e8a051151d7962d33fJiri Slaby /* 1,2,3,4 => 57.6, 115.2, 230, 460 kbps resp. */ 7047edc136ab688f751037a86e8a051151d7962d33fJiri Slaby if (baud < 1 || baud > 4) 705d450b5a0196b6442cf3f29fc611d9c8daa56b559Alan Cox tty->termios->c_cflag &= ~CBAUDEX; 7061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 7071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds baud += 15; 708d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby } 7091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (baud == 15) { 710d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 711d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby /* the ASYNC_SPD_HI and ASYNC_SPD_VHI options are set 7121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * by the set_serial_info ioctl ... this is done by 7131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the 'setserial' utility. 714d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby */ 715d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 716f1d03228ea85877584d41bccf62841e7ca47043cAlan Cox if ((port->port.flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI) 717d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby baud++; /* 57.6 Kbps */ 718f1d03228ea85877584d41bccf62841e7ca47043cAlan Cox if ((port->port.flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI) 719251b8dd7eee30fda089a1dc088abf4fc9a0dee9cAlan Cox baud += 2; /* 115 Kbps */ 720f1d03228ea85877584d41bccf62841e7ca47043cAlan Cox if ((port->port.flags & ASYNC_SPD_MASK) == ASYNC_SPD_SHI) 7217edc136ab688f751037a86e8a051151d7962d33fJiri Slaby baud += 3; /* 230 kbps*/ 722f1d03228ea85877584d41bccf62841e7ca47043cAlan Cox if ((port->port.flags & ASYNC_SPD_MASK) == ASYNC_SPD_WARP) 7237edc136ab688f751037a86e8a051151d7962d33fJiri Slaby baud += 4; /* 460 kbps*/ 7241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (linuxb_to_isib[baud] == -1) { 7261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* hang up */ 727d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby drop_dtr(port); 728d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby return; 729251b8dd7eee30fda089a1dc088abf4fc9a0dee9cAlan Cox } else 7301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds raise_dtr(port); 731d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 732cfe7c09ac2be2a89aa46bb23d480d9d908e8c041Jiri Slaby if (WaitTillCardIsFree(base) == 0) { 733251b8dd7eee30fda089a1dc088abf4fc9a0dee9cAlan Cox outw(0x8000 | (channel << shift_count) | 0x03, base); 7341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outw(linuxb_to_isib[baud] << 8 | 0x03, base); 7351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds channel_setup = 0; 736251b8dd7eee30fda089a1dc088abf4fc9a0dee9cAlan Cox switch (C_CSIZE(tty)) { 737d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby case CS5: 738d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby channel_setup |= ISICOM_CS5; 739d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby break; 740d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby case CS6: 741d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby channel_setup |= ISICOM_CS6; 742d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby break; 743d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby case CS7: 744d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby channel_setup |= ISICOM_CS7; 745d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby break; 746d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby case CS8: 747d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby channel_setup |= ISICOM_CS8; 748d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby break; 7491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 750d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 7511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (C_CSTOPB(tty)) 7521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds channel_setup |= ISICOM_2SB; 7531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (C_PARENB(tty)) { 7541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds channel_setup |= ISICOM_EVPAR; 7551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (C_PARODD(tty)) 756d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby channel_setup |= ISICOM_ODPAR; 7571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 758d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby outw(channel_setup, base); 7591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds InterruptTheCard(base); 760d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby } 7611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (C_CLOCAL(tty)) 762f1d03228ea85877584d41bccf62841e7ca47043cAlan Cox port->port.flags &= ~ASYNC_CHECK_CD; 7631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 764f1d03228ea85877584d41bccf62841e7ca47043cAlan Cox port->port.flags |= ASYNC_CHECK_CD; 765d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 7661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* flow control settings ...*/ 7671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds flow_ctrl = 0; 768f1d03228ea85877584d41bccf62841e7ca47043cAlan Cox port->port.flags &= ~ASYNC_CTS_FLOW; 7691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (C_CRTSCTS(tty)) { 770f1d03228ea85877584d41bccf62841e7ca47043cAlan Cox port->port.flags |= ASYNC_CTS_FLOW; 7711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds flow_ctrl |= ISICOM_CTSRTS; 772d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby } 773d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby if (I_IXON(tty)) 7741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds flow_ctrl |= ISICOM_RESPOND_XONXOFF; 7751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (I_IXOFF(tty)) 776d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby flow_ctrl |= ISICOM_INITIATE_XONXOFF; 777d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 778cfe7c09ac2be2a89aa46bb23d480d9d908e8c041Jiri Slaby if (WaitTillCardIsFree(base) == 0) { 779251b8dd7eee30fda089a1dc088abf4fc9a0dee9cAlan Cox outw(0x8000 | (channel << shift_count) | 0x04, base); 7801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outw(flow_ctrl << 8 | 0x05, base); 7811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outw((STOP_CHAR(tty)) << 8 | (START_CHAR(tty)), base); 7821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds InterruptTheCard(base); 7831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 784d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 7851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* rx enabled -> enable port for rx on the card */ 7861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (C_CREAD(tty)) { 7871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->port_status |= (1 << channel); 7881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outw(card->port_status, base + 0x02); 7891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 7911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 792d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby/* open et all */ 793d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 794d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slabystatic inline void isicom_setup_board(struct isi_board *bp) 7951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 7961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int channel; 797d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby struct isi_port *port; 798d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 799baaa08acb0ca2df47830b58b5df8b9059cf9ddd2Alan Cox bp->count++; 8006ed847d8efd08658ece10c9129cd511c8d7452cdAlan Cox if (!(bp->status & BOARD_INIT)) { 8016ed847d8efd08658ece10c9129cd511c8d7452cdAlan Cox port = bp->ports; 8026ed847d8efd08658ece10c9129cd511c8d7452cdAlan Cox for (channel = 0; channel < bp->port_count; channel++, port++) 8036ed847d8efd08658ece10c9129cd511c8d7452cdAlan Cox drop_dtr_rts(port); 8046ed847d8efd08658ece10c9129cd511c8d7452cdAlan Cox } 8056ed847d8efd08658ece10c9129cd511c8d7452cdAlan Cox bp->status |= BOARD_ACTIVE | BOARD_INIT; 8061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 807d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 8086ed847d8efd08658ece10c9129cd511c8d7452cdAlan Cox/* Activate and thus setup board are protected from races against shutdown 8096ed847d8efd08658ece10c9129cd511c8d7452cdAlan Cox by the tty_port mutex */ 8106ed847d8efd08658ece10c9129cd511c8d7452cdAlan Cox 811baaa08acb0ca2df47830b58b5df8b9059cf9ddd2Alan Coxstatic int isicom_activate(struct tty_port *tport, struct tty_struct *tty) 8121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 813baaa08acb0ca2df47830b58b5df8b9059cf9ddd2Alan Cox struct isi_port *port = container_of(tport, struct isi_port, port); 814d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby struct isi_board *card = port->card; 8151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long flags; 816d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 817baaa08acb0ca2df47830b58b5df8b9059cf9ddd2Alan Cox if (tty_port_alloc_xmit_buf(tport) < 0) 818f1d03228ea85877584d41bccf62841e7ca47043cAlan Cox return -ENOMEM; 8191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_lock_irqsave(&card->card_lock, flags); 821baaa08acb0ca2df47830b58b5df8b9059cf9ddd2Alan Cox isicom_setup_board(card); 822d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 8231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds port->xmit_cnt = port->xmit_head = port->xmit_tail = 0; 824d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 8251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* discard any residual data */ 826cfe7c09ac2be2a89aa46bb23d480d9d908e8c041Jiri Slaby if (WaitTillCardIsFree(card->base) == 0) { 827cfe7c09ac2be2a89aa46bb23d480d9d908e8c041Jiri Slaby outw(0x8000 | (port->channel << card->shift_count) | 0x02, 828cfe7c09ac2be2a89aa46bb23d480d9d908e8c041Jiri Slaby card->base); 829cfe7c09ac2be2a89aa46bb23d480d9d908e8c041Jiri Slaby outw(((ISICOM_KILLTX | ISICOM_KILLRX) << 8) | 0x06, card->base); 830cfe7c09ac2be2a89aa46bb23d480d9d908e8c041Jiri Slaby InterruptTheCard(card->base); 831cfe7c09ac2be2a89aa46bb23d480d9d908e8c041Jiri Slaby } 832d450b5a0196b6442cf3f29fc611d9c8daa56b559Alan Cox isicom_config_port(tty); 8331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_unlock_irqrestore(&card->card_lock, flags); 834d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 835d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby return 0; 836d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby} 837d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 83831f35939d1d9bcfb3099b32c67b896d2792603f9Alan Coxstatic int isicom_carrier_raised(struct tty_port *port) 83931f35939d1d9bcfb3099b32c67b896d2792603f9Alan Cox{ 84031f35939d1d9bcfb3099b32c67b896d2792603f9Alan Cox struct isi_port *ip = container_of(port, struct isi_port, port); 84131f35939d1d9bcfb3099b32c67b896d2792603f9Alan Cox return (ip->status & ISI_DCD)?1 : 0; 84231f35939d1d9bcfb3099b32c67b896d2792603f9Alan Cox} 84331f35939d1d9bcfb3099b32c67b896d2792603f9Alan Cox 84411d85d7b2ecc72fe752bba55389e7d11907528afAlan Coxstatic struct tty_port *isicom_find_port(struct tty_struct *tty) 8451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 846d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby struct isi_port *port; 847d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby struct isi_board *card; 84817c4edf0c8ee670de7b33d2a24eddd7c6b7edcf6Jiri Slaby unsigned int board; 84911d85d7b2ecc72fe752bba55389e7d11907528afAlan Cox int line = tty->index; 8501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds board = BOARD(line); 8521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card = &isi_card[board]; 853d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 8541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!(card->status & FIRMWARE_LOADED)) 85511d85d7b2ecc72fe752bba55389e7d11907528afAlan Cox return NULL; 856d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 8571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* open on a port greater than the port count for the card !!! */ 8581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (line > ((board * 16) + card->port_count - 1)) 85911d85d7b2ecc72fe752bba55389e7d11907528afAlan Cox return NULL; 8601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 861d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby port = &isi_ports[line]; 8621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (isicom_paranoia_check(port, tty->name, "isicom_open")) 86311d85d7b2ecc72fe752bba55389e7d11907528afAlan Cox return NULL; 86411d85d7b2ecc72fe752bba55389e7d11907528afAlan Cox 86511d85d7b2ecc72fe752bba55389e7d11907528afAlan Cox return &port->port; 86611d85d7b2ecc72fe752bba55389e7d11907528afAlan Cox} 867baaa08acb0ca2df47830b58b5df8b9059cf9ddd2Alan Cox 86811d85d7b2ecc72fe752bba55389e7d11907528afAlan Coxstatic int isicom_open(struct tty_struct *tty, struct file *filp) 86911d85d7b2ecc72fe752bba55389e7d11907528afAlan Cox{ 87011d85d7b2ecc72fe752bba55389e7d11907528afAlan Cox struct isi_port *port; 87111d85d7b2ecc72fe752bba55389e7d11907528afAlan Cox struct tty_port *tport; 872d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 87311d85d7b2ecc72fe752bba55389e7d11907528afAlan Cox tport = isicom_find_port(tty); 87411d85d7b2ecc72fe752bba55389e7d11907528afAlan Cox if (tport == NULL) 87511d85d7b2ecc72fe752bba55389e7d11907528afAlan Cox return -ENODEV; 87611d85d7b2ecc72fe752bba55389e7d11907528afAlan Cox port = container_of(tport, struct isi_port, port); 877d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 878a2d1e3516c80027b2da17fb0b7ccd36f0ac33aa7Alan Cox tty->driver_data = port; 879baaa08acb0ca2df47830b58b5df8b9059cf9ddd2Alan Cox return tty_port_open(tport, tty, filp); 8801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 881d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 8821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* close et all */ 8831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 884cfe7c09ac2be2a89aa46bb23d480d9d908e8c041Jiri Slaby/* card->lock HAS to be held */ 885d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slabystatic void isicom_shutdown_port(struct isi_port *port) 8861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 887d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby struct isi_board *card = port->card; 8881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (--card->count < 0) { 890db91340b2e874693f14e9e937152e7433d7ac753Joe Perches pr_debug("%s: bad board(0x%lx) count %d.\n", 891db91340b2e874693f14e9e937152e7433d7ac753Joe Perches __func__, card->base, card->count); 892d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby card->count = 0; 8931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 894baaa08acb0ca2df47830b58b5df8b9059cf9ddd2Alan Cox /* last port was closed, shutdown that board too */ 8956ed847d8efd08658ece10c9129cd511c8d7452cdAlan Cox if (!card->count) 8966ed847d8efd08658ece10c9129cd511c8d7452cdAlan Cox card->status &= BOARD_ACTIVE; 8971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 8981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 899978e595f88a1fba5869aa42a4af4fba36f33ecacAlan Coxstatic void isicom_flush_buffer(struct tty_struct *tty) 900978e595f88a1fba5869aa42a4af4fba36f33ecacAlan Cox{ 901978e595f88a1fba5869aa42a4af4fba36f33ecacAlan Cox struct isi_port *port = tty->driver_data; 902978e595f88a1fba5869aa42a4af4fba36f33ecacAlan Cox struct isi_board *card = port->card; 903978e595f88a1fba5869aa42a4af4fba36f33ecacAlan Cox unsigned long flags; 904978e595f88a1fba5869aa42a4af4fba36f33ecacAlan Cox 905978e595f88a1fba5869aa42a4af4fba36f33ecacAlan Cox if (isicom_paranoia_check(port, tty->name, "isicom_flush_buffer")) 906978e595f88a1fba5869aa42a4af4fba36f33ecacAlan Cox return; 907978e595f88a1fba5869aa42a4af4fba36f33ecacAlan Cox 908978e595f88a1fba5869aa42a4af4fba36f33ecacAlan Cox spin_lock_irqsave(&card->card_lock, flags); 909978e595f88a1fba5869aa42a4af4fba36f33ecacAlan Cox port->xmit_cnt = port->xmit_head = port->xmit_tail = 0; 910978e595f88a1fba5869aa42a4af4fba36f33ecacAlan Cox spin_unlock_irqrestore(&card->card_lock, flags); 911978e595f88a1fba5869aa42a4af4fba36f33ecacAlan Cox 912978e595f88a1fba5869aa42a4af4fba36f33ecacAlan Cox tty_wakeup(tty); 913978e595f88a1fba5869aa42a4af4fba36f33ecacAlan Cox} 914978e595f88a1fba5869aa42a4af4fba36f33ecacAlan Cox 915baaa08acb0ca2df47830b58b5df8b9059cf9ddd2Alan Coxstatic void isicom_shutdown(struct tty_port *port) 9161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 9176f6412b4c76441f2060e580b8d5cbda07dabde37Alan Cox struct isi_port *ip = container_of(port, struct isi_port, port); 9186f6412b4c76441f2060e580b8d5cbda07dabde37Alan Cox struct isi_board *card = ip->card; 9191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long flags; 920d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 921d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby /* indicate to the card that no more data can be received 9221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds on this port */ 9231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_lock_irqsave(&card->card_lock, flags); 924baaa08acb0ca2df47830b58b5df8b9059cf9ddd2Alan Cox card->port_status &= ~(1 << ip->channel); 925baaa08acb0ca2df47830b58b5df8b9059cf9ddd2Alan Cox outw(card->port_status, card->base + 0x02); 926a6614999e800cf3a134ce93ea46ef837e3c0e76eAlan Cox isicom_shutdown_port(ip); 9271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_unlock_irqrestore(&card->card_lock, flags); 9282493c0c166565e36831196446af594eb07892dafAlan Cox tty_port_free_xmit_buf(port); 9296f6412b4c76441f2060e580b8d5cbda07dabde37Alan Cox} 930d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 9316f6412b4c76441f2060e580b8d5cbda07dabde37Alan Coxstatic void isicom_close(struct tty_struct *tty, struct file *filp) 9326f6412b4c76441f2060e580b8d5cbda07dabde37Alan Cox{ 9336f6412b4c76441f2060e580b8d5cbda07dabde37Alan Cox struct isi_port *ip = tty->driver_data; 934a2d1e3516c80027b2da17fb0b7ccd36f0ac33aa7Alan Cox struct tty_port *port; 935a2d1e3516c80027b2da17fb0b7ccd36f0ac33aa7Alan Cox 936a2d1e3516c80027b2da17fb0b7ccd36f0ac33aa7Alan Cox if (ip == NULL) 937a2d1e3516c80027b2da17fb0b7ccd36f0ac33aa7Alan Cox return; 938a2d1e3516c80027b2da17fb0b7ccd36f0ac33aa7Alan Cox 939a2d1e3516c80027b2da17fb0b7ccd36f0ac33aa7Alan Cox port = &ip->port; 9406f6412b4c76441f2060e580b8d5cbda07dabde37Alan Cox if (isicom_paranoia_check(ip, tty->name, "isicom_close")) 9416f6412b4c76441f2060e580b8d5cbda07dabde37Alan Cox return; 942baaa08acb0ca2df47830b58b5df8b9059cf9ddd2Alan Cox tty_port_close(port, tty, filp); 9431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 9441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* write et all */ 946d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slabystatic int isicom_write(struct tty_struct *tty, const unsigned char *buf, 947d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby int count) 9481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 9498070e35c6524e0f254cd69f493c50811e8e5b856Jiri Slaby struct isi_port *port = tty->driver_data; 950d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby struct isi_board *card = port->card; 9511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long flags; 9521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int cnt, total = 0; 9531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (isicom_paranoia_check(port, tty->name, "isicom_write")) 9551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 956d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 9571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_lock_irqsave(&card->card_lock, flags); 958d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 959251b8dd7eee30fda089a1dc088abf4fc9a0dee9cAlan Cox while (1) { 960a547dfe9563c49fd0f9743640e01d1d652119ec7Jiri Slaby cnt = min_t(int, count, min(SERIAL_XMIT_SIZE - port->xmit_cnt 961a547dfe9563c49fd0f9743640e01d1d652119ec7Jiri Slaby - 1, SERIAL_XMIT_SIZE - port->xmit_head)); 962d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby if (cnt <= 0) 9631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 964d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 965f1d03228ea85877584d41bccf62841e7ca47043cAlan Cox memcpy(port->port.xmit_buf + port->xmit_head, buf, cnt); 966a547dfe9563c49fd0f9743640e01d1d652119ec7Jiri Slaby port->xmit_head = (port->xmit_head + cnt) & (SERIAL_XMIT_SIZE 967a547dfe9563c49fd0f9743640e01d1d652119ec7Jiri Slaby - 1); 9681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds port->xmit_cnt += cnt; 9691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds buf += cnt; 9701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds count -= cnt; 9711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds total += cnt; 972d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby } 9731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (port->xmit_cnt && !tty->stopped && !tty->hw_stopped) 9741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds port->status |= ISI_TXOK; 9751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_unlock_irqrestore(&card->card_lock, flags); 976d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby return total; 9771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 9781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* put_char et all */ 980f34d7a5b7010b82fe97da95496b9971435530062Alan Coxstatic int isicom_put_char(struct tty_struct *tty, unsigned char ch) 9811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 9828070e35c6524e0f254cd69f493c50811e8e5b856Jiri Slaby struct isi_port *port = tty->driver_data; 983d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby struct isi_board *card = port->card; 9841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long flags; 985d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 9861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (isicom_paranoia_check(port, tty->name, "isicom_put_char")) 987f34d7a5b7010b82fe97da95496b9971435530062Alan Cox return 0; 988d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 9891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_lock_irqsave(&card->card_lock, flags); 990f34d7a5b7010b82fe97da95496b9971435530062Alan Cox if (port->xmit_cnt >= SERIAL_XMIT_SIZE - 1) { 991f34d7a5b7010b82fe97da95496b9971435530062Alan Cox spin_unlock_irqrestore(&card->card_lock, flags); 992f34d7a5b7010b82fe97da95496b9971435530062Alan Cox return 0; 993f34d7a5b7010b82fe97da95496b9971435530062Alan Cox } 994d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 995f1d03228ea85877584d41bccf62841e7ca47043cAlan Cox port->port.xmit_buf[port->xmit_head++] = ch; 9961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds port->xmit_head &= (SERIAL_XMIT_SIZE - 1); 9971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds port->xmit_cnt++; 9981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_unlock_irqrestore(&card->card_lock, flags); 999f34d7a5b7010b82fe97da95496b9971435530062Alan Cox return 1; 10001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 10011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* flush_chars et all */ 1003d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slabystatic void isicom_flush_chars(struct tty_struct *tty) 10041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 10058070e35c6524e0f254cd69f493c50811e8e5b856Jiri Slaby struct isi_port *port = tty->driver_data; 1006d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 10071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (isicom_paranoia_check(port, tty->name, "isicom_flush_chars")) 10081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 1009d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 1010a547dfe9563c49fd0f9743640e01d1d652119ec7Jiri Slaby if (port->xmit_cnt <= 0 || tty->stopped || tty->hw_stopped || 1011f1d03228ea85877584d41bccf62841e7ca47043cAlan Cox !port->port.xmit_buf) 10121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 1013d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 10141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* this tells the transmitter to consider this port for 10151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data output to the card ... that's the best we can do. */ 1016d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby port->status |= ISI_TXOK; 10171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 10181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* write_room et all */ 1020d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slabystatic int isicom_write_room(struct tty_struct *tty) 10211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 10228070e35c6524e0f254cd69f493c50811e8e5b856Jiri Slaby struct isi_port *port = tty->driver_data; 10231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int free; 10241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (isicom_paranoia_check(port, tty->name, "isicom_write_room")) 10261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1027d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 10281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds free = SERIAL_XMIT_SIZE - port->xmit_cnt - 1; 10291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (free < 0) 10301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds free = 0; 10311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return free; 10321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 10331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* chars_in_buffer et all */ 1035d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slabystatic int isicom_chars_in_buffer(struct tty_struct *tty) 10361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 10378070e35c6524e0f254cd69f493c50811e8e5b856Jiri Slaby struct isi_port *port = tty->driver_data; 10381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (isicom_paranoia_check(port, tty->name, "isicom_chars_in_buffer")) 10391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 10401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return port->xmit_cnt; 10411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 10421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* ioctl et all */ 10446d889724332e875ac07b6c88e08d9564c180824dAlan Coxstatic int isicom_send_break(struct tty_struct *tty, int length) 10451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 10466d889724332e875ac07b6c88e08d9564c180824dAlan Cox struct isi_port *port = tty->driver_data; 1047d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby struct isi_board *card = port->card; 10488070e35c6524e0f254cd69f493c50811e8e5b856Jiri Slaby unsigned long base = card->base; 1049d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 10506d889724332e875ac07b6c88e08d9564c180824dAlan Cox if (length == -1) 10516d889724332e875ac07b6c88e08d9564c180824dAlan Cox return -EOPNOTSUPP; 10526d889724332e875ac07b6c88e08d9564c180824dAlan Cox 1053d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby if (!lock_card(card)) 10546d889724332e875ac07b6c88e08d9564c180824dAlan Cox return -EINVAL; 1055d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 10561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outw(0x8000 | ((port->channel) << (card->shift_count)) | 0x3, base); 10571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outw((length & 0xff) << 8 | 0x00, base); 10581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outw((length & 0xff00), base); 10591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds InterruptTheCard(base); 10601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unlock_card(card); 10626d889724332e875ac07b6c88e08d9564c180824dAlan Cox return 0; 10631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 10641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 106560b33c133ca0b7c0b6072c87234b63fee6e80558Alan Coxstatic int isicom_tiocmget(struct tty_struct *tty) 10661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 10678070e35c6524e0f254cd69f493c50811e8e5b856Jiri Slaby struct isi_port *port = tty->driver_data; 10681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* just send the port status */ 10698070e35c6524e0f254cd69f493c50811e8e5b856Jiri Slaby u16 status = port->status; 10701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (isicom_paranoia_check(port, tty->name, "isicom_ioctl")) 10721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -ENODEV; 1073d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 10741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return ((status & ISI_RTS) ? TIOCM_RTS : 0) | 10751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ((status & ISI_DTR) ? TIOCM_DTR : 0) | 10761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ((status & ISI_DCD) ? TIOCM_CAR : 0) | 10771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ((status & ISI_DSR) ? TIOCM_DSR : 0) | 10781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ((status & ISI_CTS) ? TIOCM_CTS : 0) | 10791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ((status & ISI_RI ) ? TIOCM_RI : 0); 10801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 10811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 108220b9d17715017ae4dd4ec87fabc36d33b9de708eAlan Coxstatic int isicom_tiocmset(struct tty_struct *tty, 108320b9d17715017ae4dd4ec87fabc36d33b9de708eAlan Cox unsigned int set, unsigned int clear) 10841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 10858070e35c6524e0f254cd69f493c50811e8e5b856Jiri Slaby struct isi_port *port = tty->driver_data; 1086cfe7c09ac2be2a89aa46bb23d480d9d908e8c041Jiri Slaby unsigned long flags; 1087d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 10881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (isicom_paranoia_check(port, tty->name, "isicom_ioctl")) 10891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -ENODEV; 1090d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 1091cfe7c09ac2be2a89aa46bb23d480d9d908e8c041Jiri Slaby spin_lock_irqsave(&port->card->card_lock, flags); 10921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (set & TIOCM_RTS) 10931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds raise_rts(port); 10941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (set & TIOCM_DTR) 10951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds raise_dtr(port); 10961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (clear & TIOCM_RTS) 10981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds drop_rts(port); 10991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (clear & TIOCM_DTR) 11001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds drop_dtr(port); 1101cfe7c09ac2be2a89aa46bb23d480d9d908e8c041Jiri Slaby spin_unlock_irqrestore(&port->card->card_lock, flags); 11021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1104d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby} 11051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1106d450b5a0196b6442cf3f29fc611d9c8daa56b559Alan Coxstatic int isicom_set_serial_info(struct tty_struct *tty, 1107d450b5a0196b6442cf3f29fc611d9c8daa56b559Alan Cox struct serial_struct __user *info) 11081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1109d450b5a0196b6442cf3f29fc611d9c8daa56b559Alan Cox struct isi_port *port = tty->driver_data; 11101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct serial_struct newinfo; 11111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int reconfig_port; 11121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1113d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby if (copy_from_user(&newinfo, info, sizeof(newinfo))) 11141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EFAULT; 1115d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 1116ec82db129e94c7896e732d21f2bb9ab8e7312fe0Alan Cox mutex_lock(&port->port.mutex); 1117f1d03228ea85877584d41bccf62841e7ca47043cAlan Cox reconfig_port = ((port->port.flags & ASYNC_SPD_MASK) != 1118d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby (newinfo.flags & ASYNC_SPD_MASK)); 1119d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 11201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!capable(CAP_SYS_ADMIN)) { 112144b7d1b37f786c61d0e382b6f72f605f73de284bAlan Cox if ((newinfo.close_delay != port->port.close_delay) || 112244b7d1b37f786c61d0e382b6f72f605f73de284bAlan Cox (newinfo.closing_wait != port->port.closing_wait) || 1123d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby ((newinfo.flags & ~ASYNC_USR_MASK) != 1124f1d03228ea85877584d41bccf62841e7ca47043cAlan Cox (port->port.flags & ~ASYNC_USR_MASK))) { 1125ec82db129e94c7896e732d21f2bb9ab8e7312fe0Alan Cox mutex_unlock(&port->port.mutex); 11261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EPERM; 11271eac494738a0447ef0c423ee2066f85a44ab59f5Alan Cox } 1128f1d03228ea85877584d41bccf62841e7ca47043cAlan Cox port->port.flags = ((port->port.flags & ~ASYNC_USR_MASK) | 11291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (newinfo.flags & ASYNC_USR_MASK)); 1130251b8dd7eee30fda089a1dc088abf4fc9a0dee9cAlan Cox } else { 113144b7d1b37f786c61d0e382b6f72f605f73de284bAlan Cox port->port.close_delay = newinfo.close_delay; 113244b7d1b37f786c61d0e382b6f72f605f73de284bAlan Cox port->port.closing_wait = newinfo.closing_wait; 1133f1d03228ea85877584d41bccf62841e7ca47043cAlan Cox port->port.flags = ((port->port.flags & ~ASYNC_FLAGS) | 11341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (newinfo.flags & ASYNC_FLAGS)); 11351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 11361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (reconfig_port) { 1137cfe7c09ac2be2a89aa46bb23d480d9d908e8c041Jiri Slaby unsigned long flags; 1138cfe7c09ac2be2a89aa46bb23d480d9d908e8c041Jiri Slaby spin_lock_irqsave(&port->card->card_lock, flags); 1139d450b5a0196b6442cf3f29fc611d9c8daa56b559Alan Cox isicom_config_port(tty); 1140cfe7c09ac2be2a89aa46bb23d480d9d908e8c041Jiri Slaby spin_unlock_irqrestore(&port->card->card_lock, flags); 11411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1142ec82db129e94c7896e732d21f2bb9ab8e7312fe0Alan Cox mutex_unlock(&port->port.mutex); 1143d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby return 0; 1144d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby} 11451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1146d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slabystatic int isicom_get_serial_info(struct isi_port *port, 1147d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby struct serial_struct __user *info) 11481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 11491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct serial_struct out_info; 1150d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 1151ec82db129e94c7896e732d21f2bb9ab8e7312fe0Alan Cox mutex_lock(&port->port.mutex); 11521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memset(&out_info, 0, sizeof(out_info)); 11531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* out_info.type = ? */ 11541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds out_info.line = port - isi_ports; 11551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds out_info.port = port->card->base; 11561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds out_info.irq = port->card->irq; 1157f1d03228ea85877584d41bccf62841e7ca47043cAlan Cox out_info.flags = port->port.flags; 11581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* out_info.baud_base = ? */ 115944b7d1b37f786c61d0e382b6f72f605f73de284bAlan Cox out_info.close_delay = port->port.close_delay; 116044b7d1b37f786c61d0e382b6f72f605f73de284bAlan Cox out_info.closing_wait = port->port.closing_wait; 1161ec82db129e94c7896e732d21f2bb9ab8e7312fe0Alan Cox mutex_unlock(&port->port.mutex); 1162d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby if (copy_to_user(info, &out_info, sizeof(out_info))) 11631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EFAULT; 11641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1165d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby} 11661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11676caa76b7786891b42b66a0e61e2c2fff2c884620Alan Coxstatic int isicom_ioctl(struct tty_struct *tty, 1168d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby unsigned int cmd, unsigned long arg) 11691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 11708070e35c6524e0f254cd69f493c50811e8e5b856Jiri Slaby struct isi_port *port = tty->driver_data; 11711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void __user *argp = (void __user *)arg; 11721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (isicom_paranoia_check(port, tty->name, "isicom_ioctl")) 11741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -ENODEV; 11751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1176251b8dd7eee30fda089a1dc088abf4fc9a0dee9cAlan Cox switch (cmd) { 1177d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby case TIOCGSERIAL: 1178d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby return isicom_get_serial_info(port, argp); 1179d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 1180d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby case TIOCSSERIAL: 1181d450b5a0196b6442cf3f29fc611d9c8daa56b559Alan Cox return isicom_set_serial_info(tty, argp); 1182d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 1183d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby default: 1184d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby return -ENOIOCTLCMD; 11851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 11861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 11871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 11881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* set_termios et all */ 1190d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slabystatic void isicom_set_termios(struct tty_struct *tty, 1191606d099cdd1080bbb50ea50dc52d98252f8f10a1Alan Cox struct ktermios *old_termios) 11921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 11938070e35c6524e0f254cd69f493c50811e8e5b856Jiri Slaby struct isi_port *port = tty->driver_data; 1194cfe7c09ac2be2a89aa46bb23d480d9d908e8c041Jiri Slaby unsigned long flags; 1195d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 11961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (isicom_paranoia_check(port, tty->name, "isicom_set_termios")) 11971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 1198d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 11991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (tty->termios->c_cflag == old_termios->c_cflag && 1200d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby tty->termios->c_iflag == old_termios->c_iflag) 12011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 1202d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 1203cfe7c09ac2be2a89aa46bb23d480d9d908e8c041Jiri Slaby spin_lock_irqsave(&port->card->card_lock, flags); 1204d450b5a0196b6442cf3f29fc611d9c8daa56b559Alan Cox isicom_config_port(tty); 1205cfe7c09ac2be2a89aa46bb23d480d9d908e8c041Jiri Slaby spin_unlock_irqrestore(&port->card->card_lock, flags); 1206d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 12071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((old_termios->c_cflag & CRTSCTS) && 1208d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby !(tty->termios->c_cflag & CRTSCTS)) { 12091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tty->hw_stopped = 0; 1210d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby isicom_start(tty); 1211d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby } 12121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 12131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* throttle et all */ 1215d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slabystatic void isicom_throttle(struct tty_struct *tty) 12161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 12178070e35c6524e0f254cd69f493c50811e8e5b856Jiri Slaby struct isi_port *port = tty->driver_data; 1218d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby struct isi_board *card = port->card; 1219d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 12201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (isicom_paranoia_check(port, tty->name, "isicom_throttle")) 12211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 1222d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 12231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* tell the card that this port cannot handle any more data for now */ 12241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->port_status &= ~(1 << port->channel); 12251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outw(card->port_status, card->base + 0x02); 12261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 12271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* unthrottle et all */ 1229d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slabystatic void isicom_unthrottle(struct tty_struct *tty) 12301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 12318070e35c6524e0f254cd69f493c50811e8e5b856Jiri Slaby struct isi_port *port = tty->driver_data; 1232d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby struct isi_board *card = port->card; 1233d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 12341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (isicom_paranoia_check(port, tty->name, "isicom_unthrottle")) 12351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 1236d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 12371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* tell the card that this port is ready to accept more data */ 12381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->port_status |= (1 << port->channel); 12391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outw(card->port_status, card->base + 0x02); 12401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 12411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* stop et all */ 1243d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slabystatic void isicom_stop(struct tty_struct *tty) 12441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 12458070e35c6524e0f254cd69f493c50811e8e5b856Jiri Slaby struct isi_port *port = tty->driver_data; 12461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (isicom_paranoia_check(port, tty->name, "isicom_stop")) 12481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 1249d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 12501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* this tells the transmitter not to consider this port for 12511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data output to the card. */ 12521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds port->status &= ~ISI_TXOK; 12531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 12541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* start et all */ 1256d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slabystatic void isicom_start(struct tty_struct *tty) 12571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 12588070e35c6524e0f254cd69f493c50811e8e5b856Jiri Slaby struct isi_port *port = tty->driver_data; 1259d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 12601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (isicom_paranoia_check(port, tty->name, "isicom_start")) 12611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 1262d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 12631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* this tells the transmitter to consider this port for 12641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data output to the card. */ 12651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds port->status |= ISI_TXOK; 12661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 12671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1268d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slabystatic void isicom_hangup(struct tty_struct *tty) 12691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 12708070e35c6524e0f254cd69f493c50811e8e5b856Jiri Slaby struct isi_port *port = tty->driver_data; 1271d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 12721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (isicom_paranoia_check(port, tty->name, "isicom_hangup")) 12731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 12743e61696bdc2103107674b06d0daf30b76193e922Alan Cox tty_port_hangup(&port->port); 12751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 12761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12789ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby/* 12799ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby * Driver init and deinit functions 12809ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby */ 12811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1282b68e31d0ebbcc909d1941f9f230c9d062a3a13d3Jeff Dikestatic const struct tty_operations isicom_ops = { 1283d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby .open = isicom_open, 1284d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby .close = isicom_close, 1285d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby .write = isicom_write, 1286d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby .put_char = isicom_put_char, 1287d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby .flush_chars = isicom_flush_chars, 1288d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby .write_room = isicom_write_room, 12891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .chars_in_buffer = isicom_chars_in_buffer, 1290d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby .ioctl = isicom_ioctl, 1291d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby .set_termios = isicom_set_termios, 1292d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby .throttle = isicom_throttle, 1293d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby .unthrottle = isicom_unthrottle, 1294d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby .stop = isicom_stop, 1295d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby .start = isicom_start, 1296d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby .hangup = isicom_hangup, 1297d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby .flush_buffer = isicom_flush_buffer, 1298d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby .tiocmget = isicom_tiocmget, 1299d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby .tiocmset = isicom_tiocmset, 13006d889724332e875ac07b6c88e08d9564c180824dAlan Cox .break_ctl = isicom_send_break, 13011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 13021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 130331f35939d1d9bcfb3099b32c67b896d2792603f9Alan Coxstatic const struct tty_port_operations isicom_port_ops = { 130431f35939d1d9bcfb3099b32c67b896d2792603f9Alan Cox .carrier_raised = isicom_carrier_raised, 1305fcc8ac1825d3d0fb81f73bc1a80ebc863168bb56Alan Cox .dtr_rts = isicom_dtr_rts, 1306baaa08acb0ca2df47830b58b5df8b9059cf9ddd2Alan Cox .activate = isicom_activate, 1307baaa08acb0ca2df47830b58b5df8b9059cf9ddd2Alan Cox .shutdown = isicom_shutdown, 130831f35939d1d9bcfb3099b32c67b896d2792603f9Alan Cox}; 130931f35939d1d9bcfb3099b32c67b896d2792603f9Alan Cox 13109ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slabystatic int __devinit reset_card(struct pci_dev *pdev, 13119ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby const unsigned int card, unsigned int *signature) 13121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 13139ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby struct isi_board *board = pci_get_drvdata(pdev); 13149ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby unsigned long base = board->base; 1315f0a0ba6d69882ae14f24d7eb6e2ae07f30fbd56aJiri Slaby unsigned int sig, portcount = 0; 13169ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby int retval = 0; 1317d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 13189ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby dev_dbg(&pdev->dev, "ISILoad:Resetting Card%d at 0x%lx\n", card + 1, 13199ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby base); 1320d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 13219ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby inw(base + 0x8); 1322d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 1323f0a0ba6d69882ae14f24d7eb6e2ae07f30fbd56aJiri Slaby msleep(10); 13249ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby 13259ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby outw(0, base + 0x8); /* Reset */ 13269ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby 1327f0a0ba6d69882ae14f24d7eb6e2ae07f30fbd56aJiri Slaby msleep(1000); 13289ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby 1329f0a0ba6d69882ae14f24d7eb6e2ae07f30fbd56aJiri Slaby sig = inw(base + 0x4) & 0xff; 1330f0a0ba6d69882ae14f24d7eb6e2ae07f30fbd56aJiri Slaby 1331f0a0ba6d69882ae14f24d7eb6e2ae07f30fbd56aJiri Slaby if (sig != 0xa5 && sig != 0xbb && sig != 0xcc && sig != 0xdd && 1332f0a0ba6d69882ae14f24d7eb6e2ae07f30fbd56aJiri Slaby sig != 0xee) { 1333f0a0ba6d69882ae14f24d7eb6e2ae07f30fbd56aJiri Slaby dev_warn(&pdev->dev, "ISILoad:Card%u reset failure (Possible " 1334f0a0ba6d69882ae14f24d7eb6e2ae07f30fbd56aJiri Slaby "bad I/O Port Address 0x%lx).\n", card + 1, base); 1335f0a0ba6d69882ae14f24d7eb6e2ae07f30fbd56aJiri Slaby dev_dbg(&pdev->dev, "Sig=0x%x\n", sig); 1336f0a0ba6d69882ae14f24d7eb6e2ae07f30fbd56aJiri Slaby retval = -EIO; 1337f0a0ba6d69882ae14f24d7eb6e2ae07f30fbd56aJiri Slaby goto end; 1338f0a0ba6d69882ae14f24d7eb6e2ae07f30fbd56aJiri Slaby } 1339f0a0ba6d69882ae14f24d7eb6e2ae07f30fbd56aJiri Slaby 1340f0a0ba6d69882ae14f24d7eb6e2ae07f30fbd56aJiri Slaby msleep(10); 13419ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby 134218234f88bc27473f15293a03c83bcb53da9018b4Jiri Slaby portcount = inw(base + 0x2); 134307fb6f26bab869fc3bb9df0a785ba734f4c51ac3Julia Lawall if (!(inw(base + 0xe) & 0x1) || (portcount != 0 && portcount != 4 && 1344f0a0ba6d69882ae14f24d7eb6e2ae07f30fbd56aJiri Slaby portcount != 8 && portcount != 16)) { 1345898eb71cb17644964c5895fb190e79e3d0c49679Joe Perches dev_err(&pdev->dev, "ISILoad:PCI Card%d reset failure.\n", 1346f0a0ba6d69882ae14f24d7eb6e2ae07f30fbd56aJiri Slaby card + 1); 134718234f88bc27473f15293a03c83bcb53da9018b4Jiri Slaby retval = -EIO; 134818234f88bc27473f15293a03c83bcb53da9018b4Jiri Slaby goto end; 13499ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby } 13509ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby 1351f0a0ba6d69882ae14f24d7eb6e2ae07f30fbd56aJiri Slaby switch (sig) { 13529ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby case 0xa5: 13539ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby case 0xbb: 13549ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby case 0xdd: 135518234f88bc27473f15293a03c83bcb53da9018b4Jiri Slaby board->port_count = (portcount == 4) ? 4 : 8; 13569ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby board->shift_count = 12; 13579ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby break; 13589ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby case 0xcc: 1359f0a0ba6d69882ae14f24d7eb6e2ae07f30fbd56aJiri Slaby case 0xee: 13609ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby board->port_count = 16; 13619ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby board->shift_count = 11; 13629ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby break; 1363d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby } 13649ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby dev_info(&pdev->dev, "-Done\n"); 1365f0a0ba6d69882ae14f24d7eb6e2ae07f30fbd56aJiri Slaby *signature = sig; 1366d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 13679ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slabyend: 13689ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby return retval; 13691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 13701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1371e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slabystatic int __devinit load_firmware(struct pci_dev *pdev, 1372e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby const unsigned int index, const unsigned int signature) 1373e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby{ 1374e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby struct isi_board *board = pci_get_drvdata(pdev); 1375e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby const struct firmware *fw; 1376e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby unsigned long base = board->base; 1377e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby unsigned int a; 1378e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby u16 word_count, status; 1379e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby int retval = -EIO; 1380e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby char *name; 1381e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby u8 *data; 1382e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby 1383e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby struct stframe { 1384e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby u16 addr; 1385e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby u16 count; 1386e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby u8 data[0]; 1387e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby } *frame; 1388e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby 1389e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby switch (signature) { 1390e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby case 0xa5: 1391e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby name = "isi608.bin"; 1392e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby break; 1393e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby case 0xbb: 1394e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby name = "isi608em.bin"; 1395e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby break; 1396e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby case 0xcc: 1397e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby name = "isi616em.bin"; 1398e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby break; 1399e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby case 0xdd: 1400e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby name = "isi4608.bin"; 1401e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby break; 1402e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby case 0xee: 1403e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby name = "isi4616.bin"; 1404e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby break; 1405e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby default: 1406e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby dev_err(&pdev->dev, "Unknown signature.\n"); 1407e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby goto end; 1408251b8dd7eee30fda089a1dc088abf4fc9a0dee9cAlan Cox } 1409e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby 1410e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby retval = request_firmware(&fw, name, &pdev->dev); 1411e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby if (retval) 1412e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby goto end; 1413e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby 1414e4e040887b8f136d00e253dcf584667d8cd560a6Jiri Slaby retval = -EIO; 1415e4e040887b8f136d00e253dcf584667d8cd560a6Jiri Slaby 1416e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby for (frame = (struct stframe *)fw->data; 1417e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby frame < (struct stframe *)(fw->data + fw->size); 1418e4e040887b8f136d00e253dcf584667d8cd560a6Jiri Slaby frame = (struct stframe *)((u8 *)(frame + 1) + 1419e4e040887b8f136d00e253dcf584667d8cd560a6Jiri Slaby frame->count)) { 1420e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby if (WaitTillCardIsFree(base)) 1421e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby goto errrelfw; 1422e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby 1423e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby outw(0xf0, base); /* start upload sequence */ 1424e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby outw(0x00, base); 1425e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby outw(frame->addr, base); /* lsb of address */ 1426e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby 1427e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby word_count = frame->count / 2 + frame->count % 2; 1428e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby outw(word_count, base); 1429e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby InterruptTheCard(base); 1430e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby 1431e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby udelay(100); /* 0x2f */ 1432e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby 1433e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby if (WaitTillCardIsFree(base)) 1434e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby goto errrelfw; 1435e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby 1436251b8dd7eee30fda089a1dc088abf4fc9a0dee9cAlan Cox status = inw(base + 0x4); 1437251b8dd7eee30fda089a1dc088abf4fc9a0dee9cAlan Cox if (status != 0) { 1438e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby dev_warn(&pdev->dev, "Card%d rejected load header:\n" 1439ad361c9884e809340f6daca80d56a9e9c871690aJoe Perches "Address:0x%x\n" 1440ad361c9884e809340f6daca80d56a9e9c871690aJoe Perches "Count:0x%x\n" 1441ad361c9884e809340f6daca80d56a9e9c871690aJoe Perches "Status:0x%x\n", 1442ad361c9884e809340f6daca80d56a9e9c871690aJoe Perches index + 1, frame->addr, frame->count, status); 1443e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby goto errrelfw; 1444e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby } 1445e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby outsw(base, frame->data, word_count); 1446e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby 1447e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby InterruptTheCard(base); 1448e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby 1449e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby udelay(50); /* 0x0f */ 1450e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby 1451e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby if (WaitTillCardIsFree(base)) 1452e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby goto errrelfw; 1453e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby 1454251b8dd7eee30fda089a1dc088abf4fc9a0dee9cAlan Cox status = inw(base + 0x4); 1455251b8dd7eee30fda089a1dc088abf4fc9a0dee9cAlan Cox if (status != 0) { 1456e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby dev_err(&pdev->dev, "Card%d got out of sync.Card " 1457e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby "Status:0x%x\n", index + 1, status); 1458e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby goto errrelfw; 1459e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby } 1460251b8dd7eee30fda089a1dc088abf4fc9a0dee9cAlan Cox } 1461e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby 1462e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby/* XXX: should we test it by reading it back and comparing with original like 1463e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby * in load firmware package? */ 1464e4e040887b8f136d00e253dcf584667d8cd560a6Jiri Slaby for (frame = (struct stframe *)fw->data; 1465e4e040887b8f136d00e253dcf584667d8cd560a6Jiri Slaby frame < (struct stframe *)(fw->data + fw->size); 1466e4e040887b8f136d00e253dcf584667d8cd560a6Jiri Slaby frame = (struct stframe *)((u8 *)(frame + 1) + 1467e4e040887b8f136d00e253dcf584667d8cd560a6Jiri Slaby frame->count)) { 1468e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby if (WaitTillCardIsFree(base)) 1469e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby goto errrelfw; 1470e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby 1471e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby outw(0xf1, base); /* start download sequence */ 1472e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby outw(0x00, base); 1473e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby outw(frame->addr, base); /* lsb of address */ 1474e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby 1475e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby word_count = (frame->count >> 1) + frame->count % 2; 1476e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby outw(word_count + 1, base); 1477e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby InterruptTheCard(base); 1478e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby 1479e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby udelay(50); /* 0xf */ 1480e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby 1481e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby if (WaitTillCardIsFree(base)) 1482e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby goto errrelfw; 1483e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby 1484251b8dd7eee30fda089a1dc088abf4fc9a0dee9cAlan Cox status = inw(base + 0x4); 1485251b8dd7eee30fda089a1dc088abf4fc9a0dee9cAlan Cox if (status != 0) { 1486e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby dev_warn(&pdev->dev, "Card%d rejected verify header:\n" 1487ad361c9884e809340f6daca80d56a9e9c871690aJoe Perches "Address:0x%x\n" 1488ad361c9884e809340f6daca80d56a9e9c871690aJoe Perches "Count:0x%x\n" 1489ad361c9884e809340f6daca80d56a9e9c871690aJoe Perches "Status: 0x%x\n", 1490ad361c9884e809340f6daca80d56a9e9c871690aJoe Perches index + 1, frame->addr, frame->count, status); 1491e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby goto errrelfw; 1492e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby } 1493e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby 1494e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby data = kmalloc(word_count * 2, GFP_KERNEL); 1495f0671378426d9768bf20d5e0f8389374dcdc2abfJiri Slaby if (data == NULL) { 1496f0671378426d9768bf20d5e0f8389374dcdc2abfJiri Slaby dev_err(&pdev->dev, "Card%d, firmware upload " 1497f0671378426d9768bf20d5e0f8389374dcdc2abfJiri Slaby "failed, not enough memory\n", index + 1); 1498f0671378426d9768bf20d5e0f8389374dcdc2abfJiri Slaby goto errrelfw; 1499f0671378426d9768bf20d5e0f8389374dcdc2abfJiri Slaby } 1500e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby inw(base); 1501e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby insw(base, data, word_count); 1502e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby InterruptTheCard(base); 1503e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby 1504e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby for (a = 0; a < frame->count; a++) 1505e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby if (data[a] != frame->data[a]) { 1506e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby kfree(data); 1507e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby dev_err(&pdev->dev, "Card%d, firmware upload " 1508e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby "failed\n", index + 1); 1509e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby goto errrelfw; 1510e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby } 1511e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby kfree(data); 1512e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby 1513e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby udelay(50); /* 0xf */ 1514e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby 1515e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby if (WaitTillCardIsFree(base)) 1516e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby goto errrelfw; 1517e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby 1518251b8dd7eee30fda089a1dc088abf4fc9a0dee9cAlan Cox status = inw(base + 0x4); 1519251b8dd7eee30fda089a1dc088abf4fc9a0dee9cAlan Cox if (status != 0) { 1520e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby dev_err(&pdev->dev, "Card%d verify got out of sync. " 1521e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby "Card Status:0x%x\n", index + 1, status); 1522e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby goto errrelfw; 1523e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby } 1524e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby } 1525e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby 1526e4e040887b8f136d00e253dcf584667d8cd560a6Jiri Slaby /* xfer ctrl */ 1527e4e040887b8f136d00e253dcf584667d8cd560a6Jiri Slaby if (WaitTillCardIsFree(base)) 1528e4e040887b8f136d00e253dcf584667d8cd560a6Jiri Slaby goto errrelfw; 1529e4e040887b8f136d00e253dcf584667d8cd560a6Jiri Slaby 1530e4e040887b8f136d00e253dcf584667d8cd560a6Jiri Slaby outw(0xf2, base); 1531e4e040887b8f136d00e253dcf584667d8cd560a6Jiri Slaby outw(0x800, base); 1532e4e040887b8f136d00e253dcf584667d8cd560a6Jiri Slaby outw(0x0, base); 1533e4e040887b8f136d00e253dcf584667d8cd560a6Jiri Slaby outw(0x0, base); 1534e4e040887b8f136d00e253dcf584667d8cd560a6Jiri Slaby InterruptTheCard(base); 1535e4e040887b8f136d00e253dcf584667d8cd560a6Jiri Slaby outw(0x0, base + 0x4); /* for ISI4608 cards */ 1536e4e040887b8f136d00e253dcf584667d8cd560a6Jiri Slaby 1537e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby board->status |= FIRMWARE_LOADED; 1538e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby retval = 0; 1539e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby 1540e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slabyerrrelfw: 1541e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby release_firmware(fw); 1542e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slabyend: 1543e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby return retval; 1544e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby} 1545e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby 15461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 15471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Insmod can set static symbols so keep these static 15481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 15491ed0c0b7306d7c93e83ebe30087a12684b280cdcJiri Slabystatic unsigned int card_count; 15509ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby 15519ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slabystatic int __devinit isicom_probe(struct pci_dev *pdev, 15529ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby const struct pci_device_id *ent) 15539ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby{ 15549653a69e923522050e15dab042b163dcc2ed7111Jiri Slaby unsigned int uninitialized_var(signature), index; 15559ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby int retval = -EPERM; 15569ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby struct isi_board *board = NULL; 15579ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby 15581ed0c0b7306d7c93e83ebe30087a12684b280cdcJiri Slaby if (card_count >= BOARD_COUNT) 15599ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby goto err; 15609ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby 1561e1e5770bb63fb9d71619a68f52cb0ba4b2ae58a6Jiri Slaby retval = pci_enable_device(pdev); 1562e1e5770bb63fb9d71619a68f52cb0ba4b2ae58a6Jiri Slaby if (retval) { 1563e1e5770bb63fb9d71619a68f52cb0ba4b2ae58a6Jiri Slaby dev_err(&pdev->dev, "failed to enable\n"); 1564e1e5770bb63fb9d71619a68f52cb0ba4b2ae58a6Jiri Slaby goto err; 1565e1e5770bb63fb9d71619a68f52cb0ba4b2ae58a6Jiri Slaby } 1566e1e5770bb63fb9d71619a68f52cb0ba4b2ae58a6Jiri Slaby 15679ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby dev_info(&pdev->dev, "ISI PCI Card(Device ID 0x%x)\n", ent->device); 15689ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby 15699ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby /* allot the first empty slot in the array */ 157026e1e8d1d1cfa914b95b5dab001a6ed898872755Dan Carpenter for (index = 0; index < BOARD_COUNT; index++) { 15719ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby if (isi_card[index].base == 0) { 15729ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby board = &isi_card[index]; 15739ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby break; 15749ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby } 157526e1e8d1d1cfa914b95b5dab001a6ed898872755Dan Carpenter } 157626e1e8d1d1cfa914b95b5dab001a6ed898872755Dan Carpenter if (index == BOARD_COUNT) { 157726e1e8d1d1cfa914b95b5dab001a6ed898872755Dan Carpenter retval = -ENODEV; 157826e1e8d1d1cfa914b95b5dab001a6ed898872755Dan Carpenter goto err_disable; 157926e1e8d1d1cfa914b95b5dab001a6ed898872755Dan Carpenter } 15809ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby 1581938a7023bbbc626b0ab7ece13fe8cb26cfcc486bJiri Slaby board->index = index; 15824969b3a43dd9e234b363f7bf52d0f6c4b6139eeaJiri Slaby board->base = pci_resource_start(pdev, 3); 15834969b3a43dd9e234b363f7bf52d0f6c4b6139eeaJiri Slaby board->irq = pdev->irq; 15841ed0c0b7306d7c93e83ebe30087a12684b280cdcJiri Slaby card_count++; 15859ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby 15869ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby pci_set_drvdata(pdev, board); 15879ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby 158878028da91e05146c9ce0c9db2fea53e0cded1e81Jiri Slaby retval = pci_request_region(pdev, 3, ISICOM_NAME); 158978028da91e05146c9ce0c9db2fea53e0cded1e81Jiri Slaby if (retval) { 159009a4a112559f4e93bb07d9683972e9064ae0418fJiri Slaby dev_err(&pdev->dev, "I/O Region 0x%lx-0x%lx is busy. Card%d " 159109a4a112559f4e93bb07d9683972e9064ae0418fJiri Slaby "will be disabled.\n", board->base, board->base + 15, 159209a4a112559f4e93bb07d9683972e9064ae0418fJiri Slaby index + 1); 159309a4a112559f4e93bb07d9683972e9064ae0418fJiri Slaby retval = -EBUSY; 15941ed0c0b7306d7c93e83ebe30087a12684b280cdcJiri Slaby goto errdec; 1595251b8dd7eee30fda089a1dc088abf4fc9a0dee9cAlan Cox } 15969ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby 159709a4a112559f4e93bb07d9683972e9064ae0418fJiri Slaby retval = request_irq(board->irq, isicom_interrupt, 15989cfb5c05fee914cc65d4706801f6bc424082b5f5Yong Zhang IRQF_SHARED, ISICOM_NAME, board); 159909a4a112559f4e93bb07d9683972e9064ae0418fJiri Slaby if (retval < 0) { 160009a4a112559f4e93bb07d9683972e9064ae0418fJiri Slaby dev_err(&pdev->dev, "Could not install handler at Irq %d. " 160109a4a112559f4e93bb07d9683972e9064ae0418fJiri Slaby "Card%d will be disabled.\n", board->irq, index + 1); 16029ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby goto errunrr; 160309a4a112559f4e93bb07d9683972e9064ae0418fJiri Slaby } 16049ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby 16059ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby retval = reset_card(pdev, index, &signature); 16069ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby if (retval < 0) 16079ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby goto errunri; 16089ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby 1609e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby retval = load_firmware(pdev, index, signature); 1610e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby if (retval < 0) 1611e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby goto errunri; 1612e65c1db19fe8177fa2da53e3e0bddffe585b2d47Jiri Slaby 1613938a7023bbbc626b0ab7ece13fe8cb26cfcc486bJiri Slaby for (index = 0; index < board->port_count; index++) 1614938a7023bbbc626b0ab7ece13fe8cb26cfcc486bJiri Slaby tty_register_device(isicom_normal, board->index * 16 + index, 1615938a7023bbbc626b0ab7ece13fe8cb26cfcc486bJiri Slaby &pdev->dev); 1616938a7023bbbc626b0ab7ece13fe8cb26cfcc486bJiri Slaby 16179ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby return 0; 16189ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby 16199ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slabyerrunri: 16209ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby free_irq(board->irq, board); 16219ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slabyerrunrr: 162278028da91e05146c9ce0c9db2fea53e0cded1e81Jiri Slaby pci_release_region(pdev, 3); 16231ed0c0b7306d7c93e83ebe30087a12684b280cdcJiri Slabyerrdec: 16249ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby board->base = 0; 16251ed0c0b7306d7c93e83ebe30087a12684b280cdcJiri Slaby card_count--; 162626e1e8d1d1cfa914b95b5dab001a6ed898872755Dan Carpentererr_disable: 1627e1e5770bb63fb9d71619a68f52cb0ba4b2ae58a6Jiri Slaby pci_disable_device(pdev); 16281ed0c0b7306d7c93e83ebe30087a12684b280cdcJiri Slabyerr: 16299ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby return retval; 16309ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby} 16319ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby 16329ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slabystatic void __devexit isicom_remove(struct pci_dev *pdev) 16339ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby{ 16349ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby struct isi_board *board = pci_get_drvdata(pdev); 1635938a7023bbbc626b0ab7ece13fe8cb26cfcc486bJiri Slaby unsigned int i; 1636938a7023bbbc626b0ab7ece13fe8cb26cfcc486bJiri Slaby 1637938a7023bbbc626b0ab7ece13fe8cb26cfcc486bJiri Slaby for (i = 0; i < board->port_count; i++) 1638938a7023bbbc626b0ab7ece13fe8cb26cfcc486bJiri Slaby tty_unregister_device(isicom_normal, board->index * 16 + i); 16399ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby 16409ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby free_irq(board->irq, board); 164178028da91e05146c9ce0c9db2fea53e0cded1e81Jiri Slaby pci_release_region(pdev, 3); 16421ed0c0b7306d7c93e83ebe30087a12684b280cdcJiri Slaby board->base = 0; 16431ed0c0b7306d7c93e83ebe30087a12684b280cdcJiri Slaby card_count--; 1644e1e5770bb63fb9d71619a68f52cb0ba4b2ae58a6Jiri Slaby pci_disable_device(pdev); 16459ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby} 16461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1647ca26200511776a0b54c5c832efde48ee6445a738Jiri Slabystatic int __init isicom_init(void) 16481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 16499ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby int retval, idx, channel; 16509ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby struct isi_port *port; 1651d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 1652251b8dd7eee30fda089a1dc088abf4fc9a0dee9cAlan Cox for (idx = 0; idx < BOARD_COUNT; idx++) { 16539ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby port = &isi_ports[idx * 16]; 16549ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby isi_card[idx].ports = port; 16559ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby spin_lock_init(&isi_card[idx].card_lock); 16569ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby for (channel = 0; channel < 16; channel++, port++) { 165744b7d1b37f786c61d0e382b6f72f605f73de284bAlan Cox tty_port_init(&port->port); 165831f35939d1d9bcfb3099b32c67b896d2792603f9Alan Cox port->port.ops = &isicom_port_ops; 16599ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby port->magic = ISICOM_MAGIC; 16609ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby port->card = &isi_card[idx]; 16619ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby port->channel = channel; 166244b7d1b37f786c61d0e382b6f72f605f73de284bAlan Cox port->port.close_delay = 50 * HZ/100; 166344b7d1b37f786c61d0e382b6f72f605f73de284bAlan Cox port->port.closing_wait = 3000 * HZ/100; 16649ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby port->status = 0; 16659ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby /* . . . */ 1666251b8dd7eee30fda089a1dc088abf4fc9a0dee9cAlan Cox } 16679ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby isi_card[idx].base = 0; 16689ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby isi_card[idx].irq = 0; 16691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1670d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 167109a4a112559f4e93bb07d9683972e9064ae0418fJiri Slaby /* tty driver structure initialization */ 167209a4a112559f4e93bb07d9683972e9064ae0418fJiri Slaby isicom_normal = alloc_tty_driver(PORT_COUNT); 167309a4a112559f4e93bb07d9683972e9064ae0418fJiri Slaby if (!isicom_normal) { 167409a4a112559f4e93bb07d9683972e9064ae0418fJiri Slaby retval = -ENOMEM; 16759ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby goto error; 167609a4a112559f4e93bb07d9683972e9064ae0418fJiri Slaby } 167709a4a112559f4e93bb07d9683972e9064ae0418fJiri Slaby 167809a4a112559f4e93bb07d9683972e9064ae0418fJiri Slaby isicom_normal->name = "ttyM"; 167909a4a112559f4e93bb07d9683972e9064ae0418fJiri Slaby isicom_normal->major = ISICOM_NMAJOR; 168009a4a112559f4e93bb07d9683972e9064ae0418fJiri Slaby isicom_normal->minor_start = 0; 168109a4a112559f4e93bb07d9683972e9064ae0418fJiri Slaby isicom_normal->type = TTY_DRIVER_TYPE_SERIAL; 168209a4a112559f4e93bb07d9683972e9064ae0418fJiri Slaby isicom_normal->subtype = SERIAL_TYPE_NORMAL; 168309a4a112559f4e93bb07d9683972e9064ae0418fJiri Slaby isicom_normal->init_termios = tty_std_termios; 168409a4a112559f4e93bb07d9683972e9064ae0418fJiri Slaby isicom_normal->init_termios.c_cflag = B9600 | CS8 | CREAD | HUPCL | 168509a4a112559f4e93bb07d9683972e9064ae0418fJiri Slaby CLOCAL; 1686938a7023bbbc626b0ab7ece13fe8cb26cfcc486bJiri Slaby isicom_normal->flags = TTY_DRIVER_REAL_RAW | 16876d889724332e875ac07b6c88e08d9564c180824dAlan Cox TTY_DRIVER_DYNAMIC_DEV | TTY_DRIVER_HARDWARE_BREAK; 168809a4a112559f4e93bb07d9683972e9064ae0418fJiri Slaby tty_set_operations(isicom_normal, &isicom_ops); 168909a4a112559f4e93bb07d9683972e9064ae0418fJiri Slaby 169009a4a112559f4e93bb07d9683972e9064ae0418fJiri Slaby retval = tty_register_driver(isicom_normal); 169109a4a112559f4e93bb07d9683972e9064ae0418fJiri Slaby if (retval) { 1692db91340b2e874693f14e9e937152e7433d7ac753Joe Perches pr_debug("Couldn't register the dialin driver\n"); 169309a4a112559f4e93bb07d9683972e9064ae0418fJiri Slaby goto err_puttty; 169409a4a112559f4e93bb07d9683972e9064ae0418fJiri Slaby } 16951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16969ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby retval = pci_register_driver(&isicom_driver); 16971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (retval < 0) { 1698db91340b2e874693f14e9e937152e7433d7ac753Joe Perches pr_err("Unable to register pci driver.\n"); 169909a4a112559f4e93bb07d9683972e9064ae0418fJiri Slaby goto err_unrtty; 17001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1701d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 170234b55b865ed12494e23b09b5d2e8da22047fd6a7Jiri Slaby mod_timer(&tx, jiffies + 1); 1703d8d16e47442a84d7fefc7ff839952ddfc919e495Jiri Slaby 17041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 170509a4a112559f4e93bb07d9683972e9064ae0418fJiri Slabyerr_unrtty: 170609a4a112559f4e93bb07d9683972e9064ae0418fJiri Slaby tty_unregister_driver(isicom_normal); 170709a4a112559f4e93bb07d9683972e9064ae0418fJiri Slabyerr_puttty: 170809a4a112559f4e93bb07d9683972e9064ae0418fJiri Slaby put_tty_driver(isicom_normal); 17099ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slabyerror: 17109ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby return retval; 17111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 17121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void __exit isicom_exit(void) 17141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1715e327325f4219e30476c775dbcd8651cd71b5416aJiri Slaby del_timer_sync(&tx); 1716aaa246ea78c68cd205f505070650cda7c5a95d34Jiri Slaby 17179ac0948b20f76d9659add91f868c57383ea1e4e5Jiri Slaby pci_unregister_driver(&isicom_driver); 171809a4a112559f4e93bb07d9683972e9064ae0418fJiri Slaby tty_unregister_driver(isicom_normal); 171909a4a112559f4e93bb07d9683972e9064ae0418fJiri Slaby put_tty_driver(isicom_normal); 17201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 17211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1722ca26200511776a0b54c5c832efde48ee6445a738Jiri Slabymodule_init(isicom_init); 17231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsmodule_exit(isicom_exit); 1724aaa246ea78c68cd205f505070650cda7c5a95d34Jiri Slaby 1725aaa246ea78c68cd205f505070650cda7c5a95d34Jiri SlabyMODULE_AUTHOR("MultiTech"); 1726aaa246ea78c68cd205f505070650cda7c5a95d34Jiri SlabyMODULE_DESCRIPTION("Driver for the ISI series of cards by MultiTech"); 1727aaa246ea78c68cd205f505070650cda7c5a95d34Jiri SlabyMODULE_LICENSE("GPL"); 1728e6c4ef984ebbd1a0458503417da91f3de47cbbe0Ben HutchingsMODULE_FIRMWARE("isi608.bin"); 1729e6c4ef984ebbd1a0458503417da91f3de47cbbe0Ben HutchingsMODULE_FIRMWARE("isi608em.bin"); 1730e6c4ef984ebbd1a0458503417da91f3de47cbbe0Ben HutchingsMODULE_FIRMWARE("isi616em.bin"); 1731e6c4ef984ebbd1a0458503417da91f3de47cbbe0Ben HutchingsMODULE_FIRMWARE("isi4608.bin"); 1732e6c4ef984ebbd1a0458503417da91f3de47cbbe0Ben HutchingsMODULE_FIRMWARE("isi4616.bin"); 1733