6   PIO Transmission
14 #include "pio.h"
109 	/* We use the upper 4 bits for the PIO  in generate_cookie()
140 	struct b43legacy_pio *pio = &dev->pio;  in parse_cookie()  local
146 		queue = pio->queue0;  in parse_cookie()
149 		queue = pio->queue1;  in parse_cookie()
152 		queue = pio->queue2;  in parse_cookie()
155 		queue = pio->queue3;  in parse_cookie()
226 		b43legacywarn(queue->dev->wl, "PIO queue too small. "  in pio_tx_packet()
343 		b43legacyerr(dev->wl, "This card does not support PIO "  in b43legacy_setup_pioqueue()
345 		       "(module parameter pio=0).\n");  in b43legacy_setup_pioqueue()
349 		b43legacyerr(dev->wl, "PIO tx device-queue too small (%u)\n",  in b43legacy_setup_pioqueue()
390 	struct b43legacy_pio *pio;  in b43legacy_pio_free()  local
394 	pio = &dev->pio;  in b43legacy_pio_free()
396 	b43legacy_destroy_pioqueue(pio->queue3);  in b43legacy_pio_free()
397 	pio->queue3 = NULL;  in b43legacy_pio_free()
398 	b43legacy_destroy_pioqueue(pio->queue2);  in b43legacy_pio_free()
399 	pio->queue2 = NULL;  in b43legacy_pio_free()
400 	b43legacy_destroy_pioqueue(pio->queue1);  in b43legacy_pio_free()
401 	pio->queue1 = NULL;  in b43legacy_pio_free()
402 	b43legacy_destroy_pioqueue(pio->queue0);  in b43legacy_pio_free()
403 	pio->queue0 = NULL;  in b43legacy_pio_free()
408 	struct b43legacy_pio *pio = &dev->pio;  in b43legacy_pio_init()  local
415 	pio->queue0 = queue;  in b43legacy_pio_init()
420 	pio->queue1 = queue;  in b43legacy_pio_init()
425 	pio->queue2 = queue;  in b43legacy_pio_init()
430 	pio->queue3 = queue;  in b43legacy_pio_init()
435 	b43legacydbg(dev->wl, "PIO initialized\n");  in b43legacy_pio_init()
441 	b43legacy_destroy_pioqueue(pio->queue2);  in b43legacy_pio_init()
442 	pio->queue2 = NULL;  in b43legacy_pio_init()
444 	b43legacy_destroy_pioqueue(pio->queue1);  in b43legacy_pio_init()
445 	pio->queue1 = NULL;  in b43legacy_pio_init()
447 	b43legacy_destroy_pioqueue(pio->queue0);  in b43legacy_pio_init()
448 	pio->queue0 = NULL;  in b43legacy_pio_init()
455 	struct b43legacy_pioqueue *queue = dev->pio.queue1;  in b43legacy_pio_tx()
541 	b43legacyerr(queue->dev->wl, "PIO RX error: %s\n", error);  in pio_rx_error()
576 	b43legacydbg(queue->dev->wl, "PIO RX timed out\n");  in b43legacy_pio_rx()
653 	struct b43legacy_pio *pio;  in b43legacy_pio_freeze_txqueues()  local
656 	pio = &dev->pio;  in b43legacy_pio_freeze_txqueues()
657 	pio->queue0->tx_frozen = 1;  in b43legacy_pio_freeze_txqueues()
658 	pio->queue1->tx_frozen = 1;  in b43legacy_pio_freeze_txqueues()
659 	pio->queue2->tx_frozen = 1;  in b43legacy_pio_freeze_txqueues()
660 	pio->queue3->tx_frozen = 1;  in b43legacy_pio_freeze_txqueues()
665 	struct b43legacy_pio *pio;  in b43legacy_pio_thaw_txqueues()  local
668 	pio = &dev->pio;  in b43legacy_pio_thaw_txqueues()
669 	pio->queue0->tx_frozen = 0;  in b43legacy_pio_thaw_txqueues()
670 	pio->queue1->tx_frozen = 0;  in b43legacy_pio_thaw_txqueues()
671 	pio->queue2->tx_frozen = 0;  in b43legacy_pio_thaw_txqueues()
672 	pio->queue3->tx_frozen = 0;  in b43legacy_pio_thaw_txqueues()
673 	if (!list_empty(&pio->queue0->txqueue))  in b43legacy_pio_thaw_txqueues()
674 		tasklet_schedule(&pio->queue0->txtask);  in b43legacy_pio_thaw_txqueues()
675 	if (!list_empty(&pio->queue1->txqueue))  in b43legacy_pio_thaw_txqueues()
676 		tasklet_schedule(&pio->queue1->txtask);  in b43legacy_pio_thaw_txqueues()
677 	if (!list_empty(&pio->queue2->txqueue))  in b43legacy_pio_thaw_txqueues()
678 		tasklet_schedule(&pio->queue2->txtask);  in b43legacy_pio_thaw_txqueues()
679 	if (!list_empty(&pio->queue3->txqueue))  in b43legacy_pio_thaw_txqueues()
680 		tasklet_schedule(&pio->queue3->txtask);  in b43legacy_pio_thaw_txqueues()