#define B44_FULL_RESET 1
#define B44_FULL_RESET_SKIP_PHY 2
#define B44_PARTIAL_RESET 3
+#define B44_CHIP_RESET_FULL 4
+#define B44_CHIP_RESET_PARTIAL 5
static void b44_init_hw(struct b44 *, int);
unsigned long offset,
enum dma_data_direction dir)
{
- dma_sync_single_range_for_device(sdev->dev, dma_base,
- offset & dma_desc_align_mask,
- dma_desc_sync_size, dir);
+ ssb_dma_sync_single_range_for_device(sdev, dma_base,
+ offset & dma_desc_align_mask,
+ dma_desc_sync_size, dir);
}
static inline void b44_sync_dma_desc_for_cpu(struct ssb_device *sdev,
unsigned long offset,
enum dma_data_direction dir)
{
- dma_sync_single_range_for_cpu(sdev->dev, dma_base,
- offset & dma_desc_align_mask,
- dma_desc_sync_size, dir);
+ ssb_dma_sync_single_range_for_cpu(sdev, dma_base,
+ offset & dma_desc_align_mask,
+ dma_desc_sync_size, dir);
}
static inline unsigned long br32(const struct b44 *bp, unsigned long reg)
BUG_ON(skb == NULL);
- dma_unmap_single(bp->sdev->dev,
- rp->mapping,
- skb->len,
- DMA_TO_DEVICE);
+ ssb_dma_unmap_single(bp->sdev,
+ rp->mapping,
+ skb->len,
+ DMA_TO_DEVICE);
rp->skb = NULL;
dev_kfree_skb_irq(skb);
}
if (skb == NULL)
return -ENOMEM;
- mapping = dma_map_single(bp->sdev->dev, skb->data,
- RX_PKT_BUF_SZ,
- DMA_FROM_DEVICE);
+ mapping = ssb_dma_map_single(bp->sdev, skb->data,
+ RX_PKT_BUF_SZ,
+ DMA_FROM_DEVICE);
/* Hardware bug work-around, the chip is unable to do PCI DMA
to/from anything above 1GB :-( */
- if (dma_mapping_error(mapping) ||
+ if (ssb_dma_mapping_error(bp->sdev, mapping) ||
mapping + RX_PKT_BUF_SZ > DMA_30BIT_MASK) {
/* Sigh... */
- if (!dma_mapping_error(mapping))
- dma_unmap_single(bp->sdev->dev, mapping,
- RX_PKT_BUF_SZ, DMA_FROM_DEVICE);
+ if (!ssb_dma_mapping_error(bp->sdev, mapping))
+ ssb_dma_unmap_single(bp->sdev, mapping,
+ RX_PKT_BUF_SZ, DMA_FROM_DEVICE);
dev_kfree_skb_any(skb);
skb = __netdev_alloc_skb(bp->dev, RX_PKT_BUF_SZ, GFP_ATOMIC|GFP_DMA);
if (skb == NULL)
return -ENOMEM;
- mapping = dma_map_single(bp->sdev->dev, skb->data,
- RX_PKT_BUF_SZ,
- DMA_FROM_DEVICE);
- if (dma_mapping_error(mapping) ||
+ mapping = ssb_dma_map_single(bp->sdev, skb->data,
+ RX_PKT_BUF_SZ,
+ DMA_FROM_DEVICE);
+ if (ssb_dma_mapping_error(bp->sdev, mapping) ||
mapping + RX_PKT_BUF_SZ > DMA_30BIT_MASK) {
- if (!dma_mapping_error(mapping))
- dma_unmap_single(bp->sdev->dev, mapping, RX_PKT_BUF_SZ,DMA_FROM_DEVICE);
+ if (!ssb_dma_mapping_error(bp->sdev, mapping))
+ ssb_dma_unmap_single(bp->sdev, mapping, RX_PKT_BUF_SZ,DMA_FROM_DEVICE);
dev_kfree_skb_any(skb);
return -ENOMEM;
}
dest_idx * sizeof(dest_desc),
DMA_BIDIRECTIONAL);
- dma_sync_single_for_device(bp->sdev->dev, le32_to_cpu(src_desc->addr),
- RX_PKT_BUF_SZ,
- DMA_FROM_DEVICE);
+ ssb_dma_sync_single_for_device(bp->sdev, le32_to_cpu(src_desc->addr),
+ RX_PKT_BUF_SZ,
+ DMA_FROM_DEVICE);
}
static int b44_rx(struct b44 *bp, int budget)
struct rx_header *rh;
u16 len;
- dma_sync_single_for_cpu(bp->sdev->dev, map,
+ ssb_dma_sync_single_for_cpu(bp->sdev, map,
RX_PKT_BUF_SZ,
DMA_FROM_DEVICE);
rh = (struct rx_header *) skb->data;
skb_size = b44_alloc_rx_skb(bp, cons, bp->rx_prod);
if (skb_size < 0)
goto drop_it;
- dma_unmap_single(bp->sdev->dev, map,
- skb_size, DMA_FROM_DEVICE);
+ ssb_dma_unmap_single(bp->sdev, map,
+ skb_size, DMA_FROM_DEVICE);
/* Leave out rx_header */
skb_put(skb, len + RX_PKT_OFFSET);
skb_pull(skb, RX_PKT_OFFSET);
skb->ip_summed = CHECKSUM_NONE;
skb->protocol = eth_type_trans(skb, bp->dev);
netif_receive_skb(skb);
- bp->dev->last_rx = jiffies;
received++;
budget--;
next_pkt:
goto err_out;
}
- mapping = dma_map_single(bp->sdev->dev, skb->data, len, DMA_TO_DEVICE);
- if (dma_mapping_error(mapping) || mapping + len > DMA_30BIT_MASK) {
+ mapping = ssb_dma_map_single(bp->sdev, skb->data, len, DMA_TO_DEVICE);
+ if (ssb_dma_mapping_error(bp->sdev, mapping) || mapping + len > DMA_30BIT_MASK) {
struct sk_buff *bounce_skb;
/* Chip can't handle DMA to/from >1GB, use bounce buffer */
- if (!dma_mapping_error(mapping))
- dma_unmap_single(bp->sdev->dev, mapping, len,
- DMA_TO_DEVICE);
+ if (!ssb_dma_mapping_error(bp->sdev, mapping))
+ ssb_dma_unmap_single(bp->sdev, mapping, len,
+ DMA_TO_DEVICE);
bounce_skb = __dev_alloc_skb(len, GFP_ATOMIC | GFP_DMA);
if (!bounce_skb)
goto err_out;
- mapping = dma_map_single(bp->sdev->dev, bounce_skb->data,
- len, DMA_TO_DEVICE);
- if (dma_mapping_error(mapping) || mapping + len > DMA_30BIT_MASK) {
- if (!dma_mapping_error(mapping))
- dma_unmap_single(bp->sdev->dev, mapping,
- len, DMA_TO_DEVICE);
+ mapping = ssb_dma_map_single(bp->sdev, bounce_skb->data,
+ len, DMA_TO_DEVICE);
+ if (ssb_dma_mapping_error(bp->sdev, mapping) || mapping + len > DMA_30BIT_MASK) {
+ if (!ssb_dma_mapping_error(bp->sdev, mapping))
+ ssb_dma_unmap_single(bp->sdev, mapping,
+ len, DMA_TO_DEVICE);
dev_kfree_skb_any(bounce_skb);
goto err_out;
}
if (rp->skb == NULL)
continue;
- dma_unmap_single(bp->sdev->dev, rp->mapping, RX_PKT_BUF_SZ,
- DMA_FROM_DEVICE);
+ ssb_dma_unmap_single(bp->sdev, rp->mapping, RX_PKT_BUF_SZ,
+ DMA_FROM_DEVICE);
dev_kfree_skb_any(rp->skb);
rp->skb = NULL;
}
if (rp->skb == NULL)
continue;
- dma_unmap_single(bp->sdev->dev, rp->mapping, rp->skb->len,
- DMA_TO_DEVICE);
+ ssb_dma_unmap_single(bp->sdev, rp->mapping, rp->skb->len,
+ DMA_TO_DEVICE);
dev_kfree_skb_any(rp->skb);
rp->skb = NULL;
}
memset(bp->tx_ring, 0, B44_TX_RING_BYTES);
if (bp->flags & B44_FLAG_RX_RING_HACK)
- dma_sync_single_for_device(bp->sdev->dev, bp->rx_ring_dma,
- DMA_TABLE_BYTES,
- DMA_BIDIRECTIONAL);
+ ssb_dma_sync_single_for_device(bp->sdev, bp->rx_ring_dma,
+ DMA_TABLE_BYTES,
+ DMA_BIDIRECTIONAL);
if (bp->flags & B44_FLAG_TX_RING_HACK)
- dma_sync_single_for_device(bp->sdev->dev, bp->tx_ring_dma,
- DMA_TABLE_BYTES,
- DMA_TO_DEVICE);
+ ssb_dma_sync_single_for_device(bp->sdev, bp->tx_ring_dma,
+ DMA_TABLE_BYTES,
+ DMA_TO_DEVICE);
for (i = 0; i < bp->rx_pending; i++) {
if (b44_alloc_rx_skb(bp, -1, i) < 0)
bp->tx_buffers = NULL;
if (bp->rx_ring) {
if (bp->flags & B44_FLAG_RX_RING_HACK) {
- dma_unmap_single(bp->sdev->dev, bp->rx_ring_dma,
- DMA_TABLE_BYTES,
- DMA_BIDIRECTIONAL);
+ ssb_dma_unmap_single(bp->sdev, bp->rx_ring_dma,
+ DMA_TABLE_BYTES,
+ DMA_BIDIRECTIONAL);
kfree(bp->rx_ring);
} else
- dma_free_coherent(bp->sdev->dev, DMA_TABLE_BYTES,
- bp->rx_ring, bp->rx_ring_dma);
+ ssb_dma_free_consistent(bp->sdev, DMA_TABLE_BYTES,
+ bp->rx_ring, bp->rx_ring_dma,
+ GFP_KERNEL);
bp->rx_ring = NULL;
bp->flags &= ~B44_FLAG_RX_RING_HACK;
}
if (bp->tx_ring) {
if (bp->flags & B44_FLAG_TX_RING_HACK) {
- dma_unmap_single(bp->sdev->dev, bp->tx_ring_dma,
- DMA_TABLE_BYTES,
- DMA_TO_DEVICE);
+ ssb_dma_unmap_single(bp->sdev, bp->tx_ring_dma,
+ DMA_TABLE_BYTES,
+ DMA_TO_DEVICE);
kfree(bp->tx_ring);
} else
- dma_free_coherent(bp->sdev->dev, DMA_TABLE_BYTES,
- bp->tx_ring, bp->tx_ring_dma);
+ ssb_dma_free_consistent(bp->sdev, DMA_TABLE_BYTES,
+ bp->tx_ring, bp->tx_ring_dma,
+ GFP_KERNEL);
bp->tx_ring = NULL;
bp->flags &= ~B44_FLAG_TX_RING_HACK;
}
goto out_err;
size = DMA_TABLE_BYTES;
- bp->rx_ring = dma_alloc_coherent(bp->sdev->dev, size, &bp->rx_ring_dma, gfp);
+ bp->rx_ring = ssb_dma_alloc_consistent(bp->sdev, size, &bp->rx_ring_dma, gfp);
if (!bp->rx_ring) {
/* Allocation may have failed due to pci_alloc_consistent
insisting on use of GFP_DMA, which is more restrictive
if (!rx_ring)
goto out_err;
- rx_ring_dma = dma_map_single(bp->sdev->dev, rx_ring,
- DMA_TABLE_BYTES,
- DMA_BIDIRECTIONAL);
+ rx_ring_dma = ssb_dma_map_single(bp->sdev, rx_ring,
+ DMA_TABLE_BYTES,
+ DMA_BIDIRECTIONAL);
- if (dma_mapping_error(rx_ring_dma) ||
+ if (ssb_dma_mapping_error(bp->sdev, rx_ring_dma) ||
rx_ring_dma + size > DMA_30BIT_MASK) {
kfree(rx_ring);
goto out_err;
bp->flags |= B44_FLAG_RX_RING_HACK;
}
- bp->tx_ring = dma_alloc_coherent(bp->sdev->dev, size, &bp->tx_ring_dma, gfp);
+ bp->tx_ring = ssb_dma_alloc_consistent(bp->sdev, size, &bp->tx_ring_dma, gfp);
if (!bp->tx_ring) {
- /* Allocation may have failed due to dma_alloc_coherent
+ /* Allocation may have failed due to ssb_dma_alloc_consistent
insisting on use of GFP_DMA, which is more restrictive
than necessary... */
struct dma_desc *tx_ring;
if (!tx_ring)
goto out_err;
- tx_ring_dma = dma_map_single(bp->sdev->dev, tx_ring,
+ tx_ring_dma = ssb_dma_map_single(bp->sdev, tx_ring,
DMA_TABLE_BYTES,
DMA_TO_DEVICE);
- if (dma_mapping_error(tx_ring_dma) ||
+ if (ssb_dma_mapping_error(bp->sdev, tx_ring_dma) ||
tx_ring_dma + size > DMA_30BIT_MASK) {
kfree(tx_ring);
goto out_err;
}
/* bp->lock is held. */
-static void b44_chip_reset(struct b44 *bp)
+static void b44_chip_reset(struct b44 *bp, int reset_kind)
{
struct ssb_device *sdev = bp->sdev;
ssb_device_enable(bp->sdev, 0);
b44_clear_stats(bp);
+ /*
+ * Don't enable PHY if we are doing a partial reset
+ * we are probably going to power down
+ */
+ if (reset_kind == B44_CHIP_RESET_PARTIAL)
+ return;
+
switch (sdev->bus->bustype) {
case SSB_BUSTYPE_SSB:
bw32(bp, B44_MDIO_CTRL, (MDIO_CTRL_PREAMBLE |
static void b44_halt(struct b44 *bp)
{
b44_disable_ints(bp);
- b44_chip_reset(bp);
+ /* reset PHY */
+ b44_phy_reset(bp);
+ /* power down PHY */
+ printk(KERN_INFO PFX "%s: powering down PHY\n", bp->dev->name);
+ bw32(bp, B44_MAC_CTRL, MAC_CTRL_PHY_PDOWN);
+ /* now reset the chip, but without enabling the MAC&PHY
+ * part of it. This has to be done _after_ we shut down the PHY */
+ b44_chip_reset(bp, B44_CHIP_RESET_PARTIAL);
}
/* bp->lock is held. */
{
u32 val;
- b44_chip_reset(bp);
+ b44_chip_reset(bp, B44_CHIP_RESET_FULL);
if (reset_kind == B44_FULL_RESET) {
b44_phy_reset(bp);
b44_setup_phy(bp);
err = request_irq(dev->irq, b44_interrupt, IRQF_SHARED, dev->name, dev);
if (unlikely(err < 0)) {
napi_disable(&bp->napi);
- b44_chip_reset(bp);
+ b44_chip_reset(bp, B44_CHIP_RESET_PARTIAL);
b44_free_rings(bp);
b44_free_consistent(bp);
goto out;
addr = sdev->bus->sprom.et0mac;
bp->phy_addr = sdev->bus->sprom.et0phyaddr;
}
+ /* Some ROMs have buggy PHY addresses with the high
+ * bits set (sign extension?). Truncate them to a
+ * valid PHY address. */
+ bp->phy_addr &= 0x1F;
+
memcpy(bp->dev->dev_addr, addr, 6);
if (!is_valid_ether_addr(&bp->dev->dev_addr[0])){
struct net_device *dev;
struct b44 *bp;
int err;
- DECLARE_MAC_BUF(mac);
instance++;
/* Chip reset provides power to the b44 MAC & PCI cores, which
* is necessary for MAC register access.
*/
- b44_chip_reset(bp);
+ b44_chip_reset(bp, B44_CHIP_RESET_FULL);
- printk(KERN_INFO "%s: Broadcom 44xx/47xx 10/100BaseT Ethernet %s\n",
- dev->name, print_mac(mac, dev->dev_addr));
+ printk(KERN_INFO "%s: Broadcom 44xx/47xx 10/100BaseT Ethernet %pM\n",
+ dev->name, dev->dev_addr);
return 0;
unregister_netdev(dev);
ssb_bus_may_powerdown(sdev->bus);
free_netdev(dev);
+ ssb_pcihost_set_power_state(sdev, PCI_D3hot);
ssb_set_drvdata(sdev, NULL);
}
b44_setup_wol(bp);
}
+ ssb_pcihost_set_power_state(sdev, PCI_D3hot);
return 0;
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff