package/libtapi/src/tapi-device.c

   1 #include <stdio.h>
   2
   3 #include "tapi-device.h"
   4 #include "tapi-ioctl.h"
   5
   6 int tapi_device_open(unsigned int id, struct tapi_device *dev)
   7 {
   8         char path[100];
   9
  10         snprintf(path, sizeof(path), "/dev/tapi%dC", id);
  11         dev->control_fd = open(path, 0);
  12         if (dev->control_fd < 0)
  13                 return -1;
  14
  15         snprintf(dev->stream_path, 100, "/dev/tapi%dS", id);
  16
  17         dev->id = id;
  18         dev->num_ports = 2;
  19
  20         return 0;
  21 }
  22
  23 int tapi_link_alloc(struct tapi_device *dev, unsigned int ep1, unsigned int ep2)
  24 {
  25         return ioctl(dev->control_fd, TAPI_CONTROL_IOCTL_LINK_ALLOC, (ep1 << 16) | ep2);
  26 }
  27
  28 int tapi_link_free(struct tapi_device *dev, unsigned int link)
  29 {
  30         return ioctl(dev->control_fd, TAPI_CONTROL_IOCTL_LINK_FREE, link);
  31 }
  32
  33 int tapi_link_enable(struct tapi_device *dev, unsigned int link)
  34 {
  35         return ioctl(dev->control_fd, TAPI_CONTROL_IOCTL_LINK_ENABLE, link);
  36 }
  37
  38 int tapi_link_disable(struct tapi_device *dev, unsigned int link)
  39 {
  40         return ioctl(dev->control_fd, TAPI_CONTROL_IOCTL_LINK_DISABLE, link);
  41 }
  42
  43 int tapi_sync(struct tapi_device *dev)
  44 {
  45         return ioctl(dev->control_fd, TAPI_CONTROL_IOCTL_SYNC, 0);
  46 }