#include <net/mac80211.h>
#include "p54.h"
+#include "lmac.h"
#include "p54pci.h"
MODULE_AUTHOR("Michael Wu <flamingice@sourmilk.net>");
MODULE_DESCRIPTION("Prism54 PCI wireless driver");
MODULE_LICENSE("GPL");
MODULE_ALIAS("prism54pci");
+MODULE_FIRMWARE("isl3886pci");
-static struct pci_device_id p54p_table[] __devinitdata = {
+static DEFINE_PCI_DEVICE_TABLE(p54p_table) = {
/* Intersil PRISM Duette/Prism GT Wireless LAN adapter */
{ PCI_DEVICE(0x1260, 0x3890) },
/* 3COM 3CRWE154G72 Wireless LAN adapter */
static int p54p_upload_firmware(struct ieee80211_hw *dev)
{
struct p54p_priv *priv = dev->priv;
- const struct firmware *fw_entry = NULL;
__le32 reg;
int err;
__le32 *data;
P54P_WRITE(ctrl_stat, reg);
wmb();
- err = request_firmware(&fw_entry, "isl3886", &priv->pdev->dev);
- if (err) {
- printk(KERN_ERR "%s (p54pci): cannot find firmware "
- "(isl3886)\n", pci_name(priv->pdev));
- return err;
- }
+ /* wait for the firmware to reset properly */
+ mdelay(10);
- err = p54_parse_firmware(dev, fw_entry);
- if (err) {
- release_firmware(fw_entry);
+ err = p54_parse_firmware(dev, priv->firmware);
+ if (err)
return err;
+
+ if (priv->common.fw_interface != FW_LM86) {
+ dev_err(&priv->pdev->dev, "wrong firmware, "
+ "please get a LM86(PCI) firmware a try again.\n");
+ return -EINVAL;
}
- data = (__le32 *) fw_entry->data;
- remains = fw_entry->size;
+ data = (__le32 *) priv->firmware->data;
+ remains = priv->firmware->size;
device_addr = ISL38XX_DEV_FIRMWARE_ADDR;
while (remains) {
u32 i = 0;
P54P_READ(int_enable);
}
- release_firmware(fw_entry);
-
reg = P54P_READ(ctrl_stat);
reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_CLKRUN);
reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_RESET);
i %= ring_limit;
continue;
}
+
+ if (unlikely(len > priv->common.rx_mtu)) {
+ if (net_ratelimit())
+ dev_err(&priv->pdev->dev, "rx'd frame size "
+ "exceeds length threshold.\n");
+
+ len = priv->common.rx_mtu;
+ }
skb_put(skb, len);
if (p54_rx(dev, skb)) {
while (i != idx) {
desc = &ring[i];
- kfree(tx_buf[i]);
+ if (tx_buf[i])
+ if (FREE_AFTER_TX((struct sk_buff *) tx_buf[i]))
+ p54_free_skb(dev, tx_buf[i]);
tx_buf[i] = NULL;
pci_unmap_single(priv->pdev, le32_to_cpu(desc->host_addr),
return reg ? IRQ_HANDLED : IRQ_NONE;
}
-static void p54p_tx(struct ieee80211_hw *dev, struct p54_control_hdr *data,
- size_t len, int free_on_tx)
+static void p54p_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
{
struct p54p_priv *priv = dev->priv;
struct p54p_ring_control *ring_control = priv->ring_control;
idx = le32_to_cpu(ring_control->host_idx[1]);
i = idx % ARRAY_SIZE(ring_control->tx_data);
- mapping = pci_map_single(priv->pdev, data, len, PCI_DMA_TODEVICE);
+ priv->tx_buf_data[i] = skb;
+ mapping = pci_map_single(priv->pdev, skb->data, skb->len,
+ PCI_DMA_TODEVICE);
desc = &ring_control->tx_data[i];
desc->host_addr = cpu_to_le32(mapping);
- desc->device_addr = data->req_id;
- desc->len = cpu_to_le16(len);
+ desc->device_addr = ((struct p54_hdr *)skb->data)->req_id;
+ desc->len = cpu_to_le16(skb->len);
desc->flags = 0;
wmb();
ring_control->host_idx[1] = cpu_to_le32(idx + 1);
-
- if (free_on_tx)
- priv->tx_buf_data[i] = data;
-
spin_unlock_irqrestore(&priv->lock, flags);
P54P_WRITE(dev_int, cpu_to_le32(ISL38XX_DEV_INT_UPDATE));
P54P_READ(dev_int);
-
- /* FIXME: unlikely to happen because the device usually runs out of
- memory before we fill the ring up, but we can make it impossible */
- if (idx - device_idx > ARRAY_SIZE(ring_control->tx_data) - 2)
- printk(KERN_INFO "%s: tx overflow.\n", wiphy_name(dev->wiphy));
}
static void p54p_stop(struct ieee80211_hw *dev)
le16_to_cpu(desc->len),
PCI_DMA_TODEVICE);
- kfree(priv->tx_buf_data[i]);
+ p54_free_skb(dev, priv->tx_buf_data[i]);
priv->tx_buf_data[i] = NULL;
}
le16_to_cpu(desc->len),
PCI_DMA_TODEVICE);
- kfree(priv->tx_buf_mgmt[i]);
+ p54_free_skb(dev, priv->tx_buf_mgmt[i]);
priv->tx_buf_mgmt[i] = NULL;
}
int err;
init_completion(&priv->boot_comp);
- err = request_irq(priv->pdev->irq, &p54p_interrupt,
+ err = request_irq(priv->pdev->irq, p54p_interrupt,
IRQF_SHARED, "p54pci", dev);
if (err) {
- printk(KERN_ERR "%s: failed to register IRQ handler\n",
- wiphy_name(dev->wiphy));
+ dev_err(&priv->pdev->dev, "failed to register IRQ handler\n");
return err;
}
struct ieee80211_hw *dev;
unsigned long mem_addr, mem_len;
int err;
- DECLARE_MAC_BUF(mac);
err = pci_enable_device(pdev);
if (err) {
- printk(KERN_ERR "%s (p54pci): Cannot enable new PCI device\n",
- pci_name(pdev));
+ dev_err(&pdev->dev, "Cannot enable new PCI device\n");
return err;
}
mem_addr = pci_resource_start(pdev, 0);
mem_len = pci_resource_len(pdev, 0);
if (mem_len < sizeof(struct p54p_csr)) {
- printk(KERN_ERR "%s (p54pci): Too short PCI resources\n",
- pci_name(pdev));
- pci_disable_device(pdev);
- return err;
+ dev_err(&pdev->dev, "Too short PCI resources\n");
+ goto err_disable_dev;
}
err = pci_request_regions(pdev, "p54pci");
if (err) {
- printk(KERN_ERR "%s (p54pci): Cannot obtain PCI resources\n",
- pci_name(pdev));
- return err;
+ dev_err(&pdev->dev, "Cannot obtain PCI resources\n");
+ goto err_disable_dev;
}
- if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) ||
- pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK)) {
- printk(KERN_ERR "%s (p54pci): No suitable DMA available\n",
- pci_name(pdev));
+ if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) ||
+ pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) {
+ dev_err(&pdev->dev, "No suitable DMA available\n");
goto err_free_reg;
}
dev = p54_init_common(sizeof(*priv));
if (!dev) {
- printk(KERN_ERR "%s (p54pci): ieee80211 alloc failed\n",
- pci_name(pdev));
+ dev_err(&pdev->dev, "ieee80211 alloc failed\n");
err = -ENOMEM;
goto err_free_reg;
}
priv->map = ioremap(mem_addr, mem_len);
if (!priv->map) {
- printk(KERN_ERR "%s (p54pci): Cannot map device memory\n",
- pci_name(pdev));
- err = -EINVAL; // TODO: use a better error code?
+ dev_err(&pdev->dev, "Cannot map device memory\n");
+ err = -ENOMEM;
goto err_free_dev;
}
priv->ring_control = pci_alloc_consistent(pdev, sizeof(*priv->ring_control),
&priv->ring_control_dma);
if (!priv->ring_control) {
- printk(KERN_ERR "%s (p54pci): Cannot allocate rings\n",
- pci_name(pdev));
+ dev_err(&pdev->dev, "Cannot allocate rings\n");
err = -ENOMEM;
goto err_iounmap;
}
spin_lock_init(&priv->lock);
tasklet_init(&priv->rx_tasklet, p54p_rx_tasklet, (unsigned long)dev);
+ err = request_firmware(&priv->firmware, "isl3886pci",
+ &priv->pdev->dev);
+ if (err) {
+ dev_err(&pdev->dev, "Cannot find firmware (isl3886pci)\n");
+ err = request_firmware(&priv->firmware, "isl3886",
+ &priv->pdev->dev);
+ if (err)
+ goto err_free_common;
+ }
+
err = p54p_open(dev);
if (err)
goto err_free_common;
if (err)
goto err_free_common;
- err = ieee80211_register_hw(dev);
- if (err) {
- printk(KERN_ERR "%s (p54pci): Cannot register netdevice\n",
- pci_name(pdev));
+ err = p54_register_common(dev, &pdev->dev);
+ if (err)
goto err_free_common;
- }
return 0;
err_free_common:
- p54_free_common(dev);
+ release_firmware(priv->firmware);
pci_free_consistent(pdev, sizeof(*priv->ring_control),
priv->ring_control, priv->ring_control_dma);
err_free_dev:
pci_set_drvdata(pdev, NULL);
- ieee80211_free_hw(dev);
+ p54_free_common(dev);
err_free_reg:
pci_release_regions(pdev);
+ err_disable_dev:
pci_disable_device(pdev);
return err;
}
if (!dev)
return;
- ieee80211_unregister_hw(dev);
+ p54_unregister_common(dev);
priv = dev->priv;
+ release_firmware(priv->firmware);
pci_free_consistent(pdev, sizeof(*priv->ring_control),
priv->ring_control, priv->ring_control_dma);
- p54_free_common(dev);
iounmap(priv->map);
pci_release_regions(pdev);
pci_disable_device(pdev);
- ieee80211_free_hw(dev);
+ p54_free_common(dev);
}
#ifdef CONFIG_PM
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff