_fn.scss

@import "compass/css3";
@import "compass/utilities";
$icons-sprites: sprite-map("icons/*.png");

@mixin sprite_images($sprite, $icon) {
  background: sprite($sprite, $icon) no-repeat;
  width: image-width(sprite-file($sprite, $icon));
  height: image-height(sprite-file($sprite, $icon));
}

test.scss

@import "_fn.scss";

.error {
  @include sprite_images($icons-sprites, 'error');
}

.info {
  @include sprite_images($icons-sprites, 'info');
}

.logo {
  @include sprite_images($icons-sprites, 'logo');
}