usb/dwc2/hcd_queue.c

29 /* Wait this long before releasing periodic reservation */
37  * periodic transfer
47 	 * each periodic transaction plus at least one host channel for  in dwc2_periodic_channel_available()
48 	 * non-periodic transactions  in dwc2_periodic_channel_available()
59 			"%s: Total channels: %d, Periodic: %d, Non-periodic: %d\n",  in dwc2_periodic_channel_available()
70  * for the specified QH in the periodic schedule
73  * @qh:    QH containing periodic bandwidth required
78  * periodic schedule may occur in the same (micro)frame
91 		 * Max periodic usecs is 80% x 125 usec = 100 usec  in dwc2_check_periodic_bandwidth()
97 		 * Max periodic usecs is 90% x 1000 usec = 900 usec  in dwc2_check_periodic_bandwidth()
113  * pmap_schedule() - Schedule time in a periodic bitmap (pmap).
336  * @qh:    QH for the periodic transfer.
338  * We'll always get the periodic map out of our TT.  Note that even if we're
364  * pmap_print() - Print the given periodic map
366  * Will attempt to print out the periodic schedule.
444  * dwc2_qh_schedule_print() - Print the periodic schedule
507  * @qh:           QH for the periodic transfer.
555  * @qh:          QH for the periodic transfer.
582  * @qh:              QH for the periodic transfer.
615  * @qh:          QH for the periodic transfer.
630  * dwc2_uframe_schedule_split - Schedule a QH for a periodic split xfer.
640  * @qh:          QH for the periodic transfer.
916  * dwc2_uframe_schedule_hs - Schedule a QH for a periodic high speed xfer.
922  * @qh:          QH for the periodic transfer.
939  * dwc2_uframe_schedule_ls - Schedule a QH for a periodic low/full speed xfer.
945  * @qh:          QH for the periodic transfer.
959  * dwc2_uframe_schedule - Schedule a QH for a periodic xfer.
965  * @qh:          QH for the periodic transfer.
990  * @qh:          QH for the periodic transfer.
1017  * @qh:    QH for a periodic endpoint
1125  * dwc2_do_reserve() - Make a periodic reservation
1127  * Try to allocate space in the periodic schedule.  Depending on parameters
1131  * @qh:    QH for the periodic transfer.
1145 				 "%s: No host channel available for periodic transfer\n",  in dwc2_do_reserve()
1155 			"%s: Insufficient periodic bandwidth for periodic transfer\n",  in dwc2_do_reserve()
1161 		/* Reserve periodic channel */  in dwc2_do_reserve()
1173  * dwc2_do_unreserve() - Actually release the periodic reservation
1175  * This function actually releases the periodic bandwidth that was reserved
1179  * @qh:    QH for the periodic transfer.
1199 		/* Release periodic channel reservation */  in dwc2_do_unreserve()
1205  * dwc2_unreserve_timer_fn() - Timer function to release periodic reservation
1255  * (micro)frame for a periodic transfer
1258  * @qh:    QH for a periodic endpoint
1274 			"%s: Periodic xfer length %d > max xfer length for channel %d\n",  in dwc2_check_max_xfer_size()
1284  * the periodic schedule
1287  * @qh:    QH for the periodic transfer. The QH should already contain the
1299 			"%s: Channel max transfer size too small for periodic transfer\n",  in dwc2_schedule_periodic()
1346  * from the periodic schedule
1349  * @qh:	   QH for the periodic transfer
1646  * dwc2_hcd_qh_add() - Adds a QH to either the non periodic or periodic
1701  * dwc2_hcd_qh_unlink() - Removes a QH from either the non-periodic or periodic
1741  * This is called for setting next_active_frame for periodic splits for all but
1744  * Periodic splits are single low/full speed transfers that we end up splitting
1752  * @qh:           QH for the periodic transfer.
1803  * This is called for setting next_active_frame for a periodic transfer for
1804  * all cases other than midway through a periodic split.  This will also update
1815  * @qh:           QH for the periodic transfer.
1899  * Deactivates a QH. For non-periodic QHs, removes the QH from the active
1900  * non-periodic schedule. The QH is added to the inactive non-periodic
1903  * For periodic QHs, the QH is removed from the periodic queued schedule. If
1905  * periodic inactive schedule or the periodic ready schedule and its next
1909  * completely removed from the periodic schedule.
1924 			/* Add back to inactive/waiting non-periodic schedule */  in dwc2_hcd_qh_deactivate()