static struct b43_pio_txqueue *b43_setup_pioqueue_tx(struct b43_wldev *dev,
unsigned int index)
{
struct b43_pio_txqueue *q;
struct b43_pio_txpacket *p;
unsigned int i;
q = kzalloc(sizeof(*q), GFP_KERNEL);
if (!q)
return NULL;
q->dev = dev;
q->rev = dev->dev->id.revision;
q->mmio_base = index_to_pioqueue_base(dev, index) +
pio_txqueue_offset(dev);
q->index = index;
q->free_packet_slots = B43_PIO_MAX_NR_TXPACKETS;
if (q->rev >= 8) {
q->buffer_size = 1920; //FIXME this constant is wrong.
} else {
q->buffer_size = b43_piotx_read16(q, B43_PIO_TXQBUFSIZE);
q->buffer_size -= 80;
}
INIT_LIST_HEAD(&q->packets_list);
for (i = 0; i < ARRAY_SIZE(q->packets); i++) {
p = &(q->packets[i]);
INIT_LIST_HEAD(&p->list);
p->index = i;
p->queue = q;
list_add(&p->list, &q->packets_list);
}
return q;
}
static struct b43_pio_rxqueue *b43_setup_pioqueue_rx(struct b43_wldev *dev,
unsigned int index)
{
struct b43_pio_rxqueue *q;
q = kzalloc(sizeof(*q), GFP_KERNEL);
if (!q)
return NULL;
q->dev = dev;
q->rev = dev->dev->id.revision;
q->mmio_base = index_to_pioqueue_base(dev, index) +
pio_rxqueue_offset(dev);
/* Enable Direct FIFO RX (PIO) on the engine. */
b43_dma_direct_fifo_rx(dev, index, 1);
return q;
}
static struct b43_pio_rxqueue *b43_setup_pioqueue_rx(struct b43_wldev *dev,
unsigned int index)
{
struct b43_pio_rxqueue *q;
q = kzalloc(sizeof(*q), GFP_KERNEL);
if (!q)
return NULL;
q->dev = dev;
q->rev = dev->dev->core_rev;
q->mmio_base = index_to_pioqueue_base(dev, index) +
pio_rxqueue_offset(dev);
b43_dma_direct_fifo_rx(dev, index, 1);
return q;
}