comedi/drivers/ni_routes.c

68  * Find the valid routes for a board.
87  * device.  Possibly try an alternate board name if device routes not found
103 	/* Second, find the set of routes valid for this device. */
121  * @board_name: Board name (determines set of routes).
125  * Finds the route values for the device family and the set of valid routes
126  * for the board.  If valid routes could not be found for the actual board
130  * (for example, with the route values but not the set of valid routes).
146  * ni_count_valid_routes() - Count the number of valid routes.
147  * @tables: Routing tables for which to count all valid routes.
155 		const struct ni_route_set *R = &tables->valid_routes->routes[i];
190  * Return: the number of valid routes if n_pairs == 0; otherwise, the number of
191  *	valid routes copied.
209 		const struct ni_route_set *R = &tables->valid_routes->routes[i];
301  * ni_sort_device_routes() - Sort the list of valid device signal routes in
311 	while (valid_routes->routes[valid_routes->n_route_sets].dest != 0)
315 	sort(valid_routes->routes, valid_routes->n_route_sets,
320 		struct ni_route_set *rs = &valid_routes->routes[n];
328 		sort(valid_routes->routes[n].src, valid_routes->routes[n].n_src,
334 /* sort all valid device signal routes in prep for use */
372  * @valid_routes: Pointer to device routes within which to search.
381 	return bsearch(&destination, valid_routes->routes,
393 bool ni_route_set_has_source(const struct ni_route_set *routes,
396 	if (!bsearch(&source, routes->src, routes->n_src, sizeof(int),
442  * Generally speaking, most routes require the first six bits and a few require
467 	const struct ni_route_set *routes =
473 	if (!routes)
476 	if (!ni_route_set_has_source(routes, src))
513  * routes.
517  *	valid for any routes to the destination), -EINVAL is returned.