5   PIO Transmission
27 #include "pio.h"
122 	/* We use the upper 4 bits for the PIO  in generate_cookie()
153 	struct b43legacy_pio *pio = &dev->pio;  in parse_cookie()  local
159 		queue = pio->queue0;  in parse_cookie()
162 		queue = pio->queue1;  in parse_cookie()
165 		queue = pio->queue2;  in parse_cookie()
168 		queue = pio->queue3;  in parse_cookie()
239 		b43legacywarn(queue->dev->wl, "PIO queue too small. "  in pio_tx_packet()
357 		b43legacyerr(dev->wl, "This card does not support PIO "  in b43legacy_setup_pioqueue()
359 		       "(module parameter pio=0).\n");  in b43legacy_setup_pioqueue()
363 		b43legacyerr(dev->wl, "PIO tx device-queue too small (%u)\n",  in b43legacy_setup_pioqueue()
404 	struct b43legacy_pio *pio;  in b43legacy_pio_free()  local
408 	pio = &dev->pio;  in b43legacy_pio_free()
410 	b43legacy_destroy_pioqueue(pio->queue3);  in b43legacy_pio_free()
411 	pio->queue3 = NULL;  in b43legacy_pio_free()
412 	b43legacy_destroy_pioqueue(pio->queue2);  in b43legacy_pio_free()
413 	pio->queue2 = NULL;  in b43legacy_pio_free()
414 	b43legacy_destroy_pioqueue(pio->queue1);  in b43legacy_pio_free()
415 	pio->queue1 = NULL;  in b43legacy_pio_free()
416 	b43legacy_destroy_pioqueue(pio->queue0);  in b43legacy_pio_free()
417 	pio->queue0 = NULL;  in b43legacy_pio_free()
422 	struct b43legacy_pio *pio = &dev->pio;  in b43legacy_pio_init()  local
429 	pio->queue0 = queue;  in b43legacy_pio_init()
434 	pio->queue1 = queue;  in b43legacy_pio_init()
439 	pio->queue2 = queue;  in b43legacy_pio_init()
444 	pio->queue3 = queue;  in b43legacy_pio_init()
449 	b43legacydbg(dev->wl, "PIO initialized\n");  in b43legacy_pio_init()
455 	b43legacy_destroy_pioqueue(pio->queue2);  in b43legacy_pio_init()
456 	pio->queue2 = NULL;  in b43legacy_pio_init()
458 	b43legacy_destroy_pioqueue(pio->queue1);  in b43legacy_pio_init()
459 	pio->queue1 = NULL;  in b43legacy_pio_init()
461 	b43legacy_destroy_pioqueue(pio->queue0);  in b43legacy_pio_init()
462 	pio->queue0 = NULL;  in b43legacy_pio_init()
469 	struct b43legacy_pioqueue *queue = dev->pio.queue1;  in b43legacy_pio_tx()
555 	b43legacyerr(queue->dev->wl, "PIO RX error: %s\n", error);  in pio_rx_error()
590 	b43legacydbg(queue->dev->wl, "PIO RX timed out\n");  in b43legacy_pio_rx()
667 	struct b43legacy_pio *pio;  in b43legacy_pio_freeze_txqueues()  local
670 	pio = &dev->pio;  in b43legacy_pio_freeze_txqueues()
671 	pio->queue0->tx_frozen = 1;  in b43legacy_pio_freeze_txqueues()
672 	pio->queue1->tx_frozen = 1;  in b43legacy_pio_freeze_txqueues()
673 	pio->queue2->tx_frozen = 1;  in b43legacy_pio_freeze_txqueues()
674 	pio->queue3->tx_frozen = 1;  in b43legacy_pio_freeze_txqueues()
679 	struct b43legacy_pio *pio;  in b43legacy_pio_thaw_txqueues()  local
682 	pio = &dev->pio;  in b43legacy_pio_thaw_txqueues()
683 	pio->queue0->tx_frozen = 0;  in b43legacy_pio_thaw_txqueues()
684 	pio->queue1->tx_frozen = 0;  in b43legacy_pio_thaw_txqueues()
685 	pio->queue2->tx_frozen = 0;  in b43legacy_pio_thaw_txqueues()
686 	pio->queue3->tx_frozen = 0;  in b43legacy_pio_thaw_txqueues()
687 	if (!list_empty(&pio->queue0->txqueue))  in b43legacy_pio_thaw_txqueues()
688 		tasklet_schedule(&pio->queue0->txtask);  in b43legacy_pio_thaw_txqueues()
689 	if (!list_empty(&pio->queue1->txqueue))  in b43legacy_pio_thaw_txqueues()
690 		tasklet_schedule(&pio->queue1->txtask);  in b43legacy_pio_thaw_txqueues()
691 	if (!list_empty(&pio->queue2->txqueue))  in b43legacy_pio_thaw_txqueues()
692 		tasklet_schedule(&pio->queue2->txtask);  in b43legacy_pio_thaw_txqueues()
693 	if (!list_empty(&pio->queue3->txqueue))  in b43legacy_pio_thaw_txqueues()
694 		tasklet_schedule(&pio->queue3->txtask);  in b43legacy_pio_thaw_txqueues()