diff options
Diffstat (limited to 'drivers/dahdi/xpp/xbus-pcm.c')
| -rw-r--r-- | drivers/dahdi/xpp/xbus-pcm.c | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/drivers/dahdi/xpp/xbus-pcm.c b/drivers/dahdi/xpp/xbus-pcm.c index 448cf5a..65cf9c0 100644 --- a/drivers/dahdi/xpp/xbus-pcm.c +++ b/drivers/dahdi/xpp/xbus-pcm.c @@ -1219,6 +1219,73 @@ int fill_sync_string(char *buf, size_t count) return len; } +#ifdef OLD_PROC +#ifdef CONFIG_PROC_FS +static int proc_sync_read(char *page, char **start, off_t off, int count, int *eof, void *data) +{ + int len = 0; + struct timeval now; + unsigned int counter = atomic_read(&xpp_tick_counter); + unsigned long usec; + + do_gettimeofday(&now); + NOTICE("%s: DEPRECATED: %s[%d] read from /proc interface instead of /sys\n", + __FUNCTION__, current->comm, current->tgid); + len += sprintf(page + len, "# To modify sync source write into this file:\n"); + len += sprintf(page + len, "# DAHDI - Another dahdi device provide sync\n"); + len += sprintf(page + len, "# SYNC=nn - XBUS-nn provide sync\n"); + len += sprintf(page + len, "# QUERY=nn - Query XBUS-nn for sync information (DEBUG)\n"); + len += fill_sync_string(page + len, PAGE_SIZE - len); +#ifdef DAHDI_SYNC_TICK + if(force_dahdi_sync) { + len += sprintf(page + len, + "Dahdi Reference Sync (%d registered spans):\n", + total_registered_spans()); + len += sprintf(page + len, "\tdahdi_tick: #%d\n", dahdi_tick_count); + len += sprintf(page + len, "\ttick - dahdi_tick = %d\n", + counter - dahdi_tick_count); + } else { + len += sprintf(page + len, + "Dahdi Reference Sync Not activated\n"); + } +#endif + usec = usec_diff(&now, &global_ticks_series.last_sample.tv); + len += sprintf(page + len, "\ntick: #%d\n", counter); + len += sprintf(page + len, + "tick duration: %d usec (measured %ld.%ld msec ago)\n", + global_ticks_series.tick_period, + usec / 1000, usec % 1000); + if (len <= off+count) + *eof = 1; + *start = page + off; + len -= off; + if (len > count) + len = count; + if (len < 0) + len = 0; + return len; +} + +static int proc_sync_write(struct file *file, const char __user *buffer, unsigned long count, void *data) +{ + char buf[MAX_PROC_WRITE]; + + // DBG(SYNC, "%s: count=%ld\n", __FUNCTION__, count); + NOTICE("%s: DEPRECATED: %s[%d] write to /proc interface instead of /sys\n", + __FUNCTION__, current->comm, current->tgid); + if(count >= MAX_PROC_WRITE) + return -EINVAL; + if(copy_from_user(buf, buffer, count)) + return -EFAULT; + buf[count] = '\0'; + return exec_sync_command(buf, count); +} + +static struct proc_dir_entry *top; + +#endif +#endif /* OLD_PROC */ + int xbus_pcm_init(void *toplevel) { int ret = 0; @@ -1234,11 +1301,34 @@ int xbus_pcm_init(void *toplevel) #endif xpp_ticker_init(&global_ticks_series); xpp_ticker_init(&dahdi_ticker); +#ifdef OLD_PROC +#ifdef CONFIG_PROC_FS + { + struct proc_dir_entry *ent; + + top = toplevel; + ent = create_proc_entry(PROC_SYNC, 0644, top); + if(ent) { + ent->read_proc = proc_sync_read; + ent->write_proc = proc_sync_write; + ent->data = NULL; + } else { + ret = -EFAULT; + } + } +#endif +#endif /* OLD_PROC */ return ret; } void xbus_pcm_shutdown(void) { +#ifdef OLD_PROC +#ifdef CONFIG_PROC_FS + DBG(GENERAL, "Removing '%s' from proc\n", PROC_SYNC); + remove_proc_entry(PROC_SYNC, top); +#endif +#endif /* OLD_PROC */ } |