usb/dwc2/hcd_queue.c

28 /* Wait this long before releasing periodic reservation */
36  * periodic transfer
46 	 * each periodic transaction plus at least one host channel for  in dwc2_periodic_channel_available()
47 	 * non-periodic transactions  in dwc2_periodic_channel_available()
58 			"%s: Total channels: %d, Periodic: %d, Non-periodic: %d\n",  in dwc2_periodic_channel_available()
69  * for the specified QH in the periodic schedule
72  * @qh:    QH containing periodic bandwidth required
77  * periodic schedule may occur in the same (micro)frame
90 		 * Max periodic usecs is 80% x 125 usec = 100 usec  in dwc2_check_periodic_bandwidth()
96 		 * Max periodic usecs is 90% x 1000 usec = 900 usec  in dwc2_check_periodic_bandwidth()
112  * pmap_schedule() - Schedule time in a periodic bitmap (pmap).
335  * @qh:    QH for the periodic transfer.
337  * We'll always get the periodic map out of our TT.  Note that even if we're
398  * pmap_print() - Print the given periodic map
400  * Will attempt to print out the periodic schedule.
480  * dwc2_qh_schedule_print() - Print the periodic schedule
543  * @qh:           QH for the periodic transfer.
591  * @qh:          QH for the periodic transfer.
618  * @qh:              QH for the periodic transfer.
651  * @qh:          QH for the periodic transfer.
666  * dwc2_uframe_schedule_split - Schedule a QH for a periodic split xfer.
676  * @qh:          QH for the periodic transfer.
952  * dwc2_uframe_schedule_hs - Schedule a QH for a periodic high speed xfer.
958  * @qh:          QH for the periodic transfer.
975  * dwc2_uframe_schedule_ls - Schedule a QH for a periodic low/full speed xfer.
981  * @qh:          QH for the periodic transfer.
995  * dwc2_uframe_schedule - Schedule a QH for a periodic xfer.
1001  * @qh:          QH for the periodic transfer.
1026  * @qh:          QH for the periodic transfer.
1053  * @qh:    QH for a periodic endpoint
1161  * dwc2_do_reserve() - Make a periodic reservation
1163  * Try to allocate space in the periodic schedule.  Depending on parameters
1167  * @qh:    QH for the periodic transfer.
1181 				 "%s: No host channel available for periodic transfer\n",  in dwc2_do_reserve()
1191 			"%s: Insufficient periodic bandwidth for periodic transfer\n",  in dwc2_do_reserve()
1197 		/* Reserve periodic channel */  in dwc2_do_reserve()
1209  * dwc2_do_unreserve() - Actually release the periodic reservation
1211  * This function actually releases the periodic bandwidth that was reserved
1215  * @qh:    QH for the periodic transfer.
1235 		/* Release periodic channel reservation */  in dwc2_do_unreserve()
1241  * dwc2_unreserve_timer_fn() - Timer function to release periodic reservation
1291  * (micro)frame for a periodic transfer
1294  * @qh:    QH for a periodic endpoint
1310 			"%s: Periodic xfer length %d > max xfer length for channel %d\n",  in dwc2_check_max_xfer_size()
1320  * the periodic schedule
1323  * @qh:    QH for the periodic transfer. The QH should already contain the
1335 			"%s: Channel max transfer size too small for periodic transfer\n",  in dwc2_schedule_periodic()
1382  * from the periodic schedule
1385  * @qh:	   QH for the periodic transfer
1682  * dwc2_hcd_qh_add() - Adds a QH to either the non periodic or periodic
1737  * dwc2_hcd_qh_unlink() - Removes a QH from either the non-periodic or periodic
1777  * This is called for setting next_active_frame for periodic splits for all but
1780  * Periodic splits are single low/full speed transfers that we end up splitting
1788  * @qh:           QH for the periodic transfer.
1839  * This is called for setting next_active_frame for a periodic transfer for
1840  * all cases other than midway through a periodic split.  This will also update
1851  * @qh:           QH for the periodic transfer.
1935  * Deactivates a QH. For non-periodic QHs, removes the QH from the active
1936  * non-periodic schedule. The QH is added to the inactive non-periodic
1939  * For periodic QHs, the QH is removed from the periodic queued schedule. If
1941  * periodic inactive schedule or the periodic ready schedule and its next
1945  * completely removed from the periodic schedule.
1960 			/* Add back to inactive/waiting non-periodic schedule */  in dwc2_hcd_qh_deactivate()