mwavedd.c (a8b3e6f10f08f66ae1072efd087b30966a3654f6) mwavedd.c (5981d644209c38029df7f91eb8c61bc5952f182b)
1/*
2*
3* mwavedd.c -- mwave device driver
4*
5*
6* Written By: Mike Sullivan IBM Corporation
7*
8* Copyright (C) 1999 IBM Corporation

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52#include <linux/init.h>
53#include <linux/major.h>
54#include <linux/miscdevice.h>
55#include <linux/device.h>
56#include <linux/serial.h>
57#include <linux/sched.h>
58#include <linux/spinlock.h>
59#include <linux/delay.h>
1/*
2*
3* mwavedd.c -- mwave device driver
4*
5*
6* Written By: Mike Sullivan IBM Corporation
7*
8* Copyright (C) 1999 IBM Corporation

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52#include <linux/init.h>
53#include <linux/major.h>
54#include <linux/miscdevice.h>
55#include <linux/device.h>
56#include <linux/serial.h>
57#include <linux/sched.h>
58#include <linux/spinlock.h>
59#include <linux/delay.h>
60#include <linux/serial_8250.h>
60#include "smapi.h"
61#include "mwavedd.h"
62#include "3780i.h"
63#include "tp3780i.h"
64
65MODULE_DESCRIPTION("3780i Advanced Communications Processor (Mwave) driver");
66MODULE_AUTHOR("Mike Sullivan and Paul Schroeder");
67MODULE_LICENSE("GPL");

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405 file, buf, count, ppos);
406
407 return -EINVAL;
408}
409
410
411static int register_serial_portandirq(unsigned int port, int irq)
412{
61#include "smapi.h"
62#include "mwavedd.h"
63#include "3780i.h"
64#include "tp3780i.h"
65
66MODULE_DESCRIPTION("3780i Advanced Communications Processor (Mwave) driver");
67MODULE_AUTHOR("Mike Sullivan and Paul Schroeder");
68MODULE_LICENSE("GPL");

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406 file, buf, count, ppos);
407
408 return -EINVAL;
409}
410
411
412static int register_serial_portandirq(unsigned int port, int irq)
413{
413 struct serial_struct serial;
414
414 struct uart_port uart;
415
415 switch ( port ) {
416 case 0x3f8:
417 case 0x2f8:
418 case 0x3e8:
419 case 0x2e8:
420 /* OK */
421 break;
422 default:

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437 default:
438 PRINTK_ERROR(KERN_ERR_MWAVE
439 "mwavedd::register_serial_portandirq:"
440 " Error: Illegal irq %x\n", irq );
441 return -1;
442 } /* switch */
443 /* irq is okay */
444
416 switch ( port ) {
417 case 0x3f8:
418 case 0x2f8:
419 case 0x3e8:
420 case 0x2e8:
421 /* OK */
422 break;
423 default:

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438 default:
439 PRINTK_ERROR(KERN_ERR_MWAVE
440 "mwavedd::register_serial_portandirq:"
441 " Error: Illegal irq %x\n", irq );
442 return -1;
443 } /* switch */
444 /* irq is okay */
445
445 memset(&serial, 0, sizeof(serial));
446 serial.port = port;
447 serial.irq = irq;
448 serial.flags = ASYNC_SHARE_IRQ;
449
450 return register_serial(&serial);
446 memset(&uart, 0, sizeof(struct uart_port));
447
448 uart.uartclk = 1843200;
449 uart.iobase = port;
450 uart.irq = irq;
451 uart.iotype = UPIO_PORT;
452 uart.flags = UPF_SHARE_IRQ;
453 return serial8250_register_port(&uart);
451}
452
453
454static struct file_operations mwave_fops = {
455 .owner = THIS_MODULE,
456 .read = mwave_read,
457 .write = mwave_write,
458 .ioctl = mwave_ioctl,

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518
519 if (pDrvData->device_registered) {
520 device_unregister(&mwave_device);
521 pDrvData->device_registered = FALSE;
522 }
523#endif
524
525 if ( pDrvData->sLine >= 0 ) {
454}
455
456
457static struct file_operations mwave_fops = {
458 .owner = THIS_MODULE,
459 .read = mwave_read,
460 .write = mwave_write,
461 .ioctl = mwave_ioctl,

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521
522 if (pDrvData->device_registered) {
523 device_unregister(&mwave_device);
524 pDrvData->device_registered = FALSE;
525 }
526#endif
527
528 if ( pDrvData->sLine >= 0 ) {
526 unregister_serial(pDrvData->sLine);
529 serial8250_unregister_port(pDrvData->sLine);
527 }
528 if (pDrvData->bMwaveDevRegistered) {
529 misc_deregister(&mwave_misc_dev);
530 }
531 if (pDrvData->bDSPEnabled) {
532 tp3780I_DisableDSP(&pDrvData->rBDData);
533 }
534 if (pDrvData->bResourcesClaimed) {

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531 if (pDrvData->bMwaveDevRegistered) {
532 misc_deregister(&mwave_misc_dev);
533 }
534 if (pDrvData->bDSPEnabled) {
535 tp3780I_DisableDSP(&pDrvData->rBDData);
536 }
537 if (pDrvData->bResourcesClaimed) {

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