diff options
Diffstat (limited to 'drivers/isdn/hardware/eicon/divamnt.c')
| -rw-r--r-- | drivers/isdn/hardware/eicon/divamnt.c | 239 |
1 files changed, 0 insertions, 239 deletions
diff --git a/drivers/isdn/hardware/eicon/divamnt.c b/drivers/isdn/hardware/eicon/divamnt.c deleted file mode 100644 index 5a95587b3117..000000000000 --- a/drivers/isdn/hardware/eicon/divamnt.c +++ /dev/null @@ -1,239 +0,0 @@ -/* $Id: divamnt.c,v 1.32.6.10 2005/02/11 19:40:25 armin Exp $ - * - * Driver for Eicon DIVA Server ISDN cards. - * Maint module - * - * Copyright 2000-2003 by Armin Schindler (mac@melware.de) - * Copyright 2000-2003 Cytronics & Melware (info@melware.de) - * - * This software may be used and distributed according to the terms - * of the GNU General Public License, incorporated herein by reference. - */ - -#include <linux/module.h> -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/poll.h> -#include <linux/mutex.h> -#include <linux/uaccess.h> - -#include "platform.h" -#include "di_defs.h" -#include "divasync.h" -#include "debug_if.h" - -static DEFINE_MUTEX(maint_mutex); -static char *main_revision = "$Revision: 1.32.6.10 $"; - -static int major; - -MODULE_DESCRIPTION("Maint driver for Eicon DIVA Server cards"); -MODULE_AUTHOR("Cytronics & Melware, Eicon Networks"); -MODULE_SUPPORTED_DEVICE("DIVA card driver"); -MODULE_LICENSE("GPL"); - -static int buffer_length = 128; -module_param(buffer_length, int, 0); -static unsigned long diva_dbg_mem = 0; -module_param(diva_dbg_mem, ulong, 0); - -static char *DRIVERNAME = - "Eicon DIVA - MAINT module (http://www.melware.net)"; -static char *DRIVERLNAME = "diva_mnt"; -static char *DEVNAME = "DivasMAINT"; -char *DRIVERRELEASE_MNT = "2.0"; - -static wait_queue_head_t msgwaitq; -static unsigned long opened; - -extern int mntfunc_init(int *, void **, unsigned long); -extern void mntfunc_finit(void); -extern int maint_read_write(void __user *buf, int count); - -/* - * helper functions - */ -static char *getrev(const char *revision) -{ - char *rev; - char *p; - - if ((p = strchr(revision, ':'))) { - rev = p + 2; - p = strchr(rev, '$'); - *--p = 0; - } else - rev = "1.0"; - - return rev; -} - -/* - * kernel/user space copy functions - */ -int diva_os_copy_to_user(void *os_handle, void __user *dst, const void *src, - int length) -{ - return (copy_to_user(dst, src, length)); -} -int diva_os_copy_from_user(void *os_handle, void *dst, const void __user *src, - int length) -{ - return (copy_from_user(dst, src, length)); -} - -/* - * get time - */ -void diva_os_get_time(dword *sec, dword *usec) -{ - struct timespec64 time; - - ktime_get_ts64(&time); - - *sec = (dword) time.tv_sec; - *usec = (dword) (time.tv_nsec / NSEC_PER_USEC); -} - -/* - * device node operations - */ -static __poll_t maint_poll(struct file *file, poll_table *wait) -{ - __poll_t mask = 0; - - poll_wait(file, &msgwaitq, wait); - mask = EPOLLOUT | EPOLLWRNORM; - if (file->private_data || diva_dbg_q_length()) { - mask |= EPOLLIN | EPOLLRDNORM; - } - return (mask); -} - -static int maint_open(struct inode *ino, struct file *filep) -{ - int ret; - - mutex_lock(&maint_mutex); - /* only one open is allowed, so we test - it atomically */ - if (test_and_set_bit(0, &opened)) - ret = -EBUSY; - else { - filep->private_data = NULL; - ret = nonseekable_open(ino, filep); - } - mutex_unlock(&maint_mutex); - return ret; -} - -static int maint_close(struct inode *ino, struct file *filep) -{ - if (filep->private_data) { - diva_os_free(0, filep->private_data); - filep->private_data = NULL; - } - - /* clear 'used' flag */ - clear_bit(0, &opened); - - return (0); -} - -static ssize_t divas_maint_write(struct file *file, const char __user *buf, - size_t count, loff_t *ppos) -{ - return (maint_read_write((char __user *) buf, (int) count)); -} - -static ssize_t divas_maint_read(struct file *file, char __user *buf, - size_t count, loff_t *ppos) -{ - return (maint_read_write(buf, (int) count)); -} - -static const struct file_operations divas_maint_fops = { - .owner = THIS_MODULE, - .llseek = no_llseek, - .read = divas_maint_read, - .write = divas_maint_write, - .poll = maint_poll, - .open = maint_open, - .release = maint_close -}; - -static void divas_maint_unregister_chrdev(void) -{ - unregister_chrdev(major, DEVNAME); -} - -static int __init divas_maint_register_chrdev(void) -{ - if ((major = register_chrdev(0, DEVNAME, &divas_maint_fops)) < 0) - { - printk(KERN_ERR "%s: failed to create /dev entry.\n", - DRIVERLNAME); - return (0); - } - - return (1); -} - -/* - * wake up reader - */ -void diva_maint_wakeup_read(void) -{ - wake_up_interruptible(&msgwaitq); -} - -/* - * Driver Load - */ -static int __init maint_init(void) -{ - char tmprev[50]; - int ret = 0; - void *buffer = NULL; - - init_waitqueue_head(&msgwaitq); - - printk(KERN_INFO "%s\n", DRIVERNAME); - printk(KERN_INFO "%s: Rel:%s Rev:", DRIVERLNAME, DRIVERRELEASE_MNT); - strcpy(tmprev, main_revision); - printk("%s Build: %s \n", getrev(tmprev), DIVA_BUILD); - - if (!divas_maint_register_chrdev()) { - ret = -EIO; - goto out; - } - - if (!(mntfunc_init(&buffer_length, &buffer, diva_dbg_mem))) { - printk(KERN_ERR "%s: failed to connect to DIDD.\n", - DRIVERLNAME); - divas_maint_unregister_chrdev(); - ret = -EIO; - goto out; - } - - printk(KERN_INFO "%s: trace buffer = %p - %d kBytes, %s (Major: %d)\n", - DRIVERLNAME, buffer, (buffer_length / 1024), - (diva_dbg_mem == 0) ? "internal" : "external", major); - -out: - return (ret); -} - -/* -** Driver Unload -*/ -static void __exit maint_exit(void) -{ - divas_maint_unregister_chrdev(); - mntfunc_finit(); - - printk(KERN_INFO "%s: module unloaded.\n", DRIVERLNAME); -} - -module_init(maint_init); -module_exit(maint_exit); |