*/
int iwl3945_eeprom_init(struct iwl3945_priv *priv)
{
- u16 *e = (u16 *)&priv->eeprom;
+ __le16 *e = (__le16 *)&priv->eeprom;
u32 gp = iwl3945_read32(priv, CSR_EEPROM_GP);
u32 r;
int sz = sizeof(priv->eeprom);
IWL_ERROR("Time out reading EEPROM[%d]", addr);
return -ETIMEDOUT;
}
- e[addr / 2] = le16_to_cpu(r >> 16);
+ e[addr / 2] = cpu_to_le16(r >> 16);
}
return 0;
goto drop_unlock;
}
- if (!priv->interface_id) {
- IWL_DEBUG_DROP("Dropping - !priv->interface_id\n");
+ if (!priv->vif) {
+ IWL_DEBUG_DROP("Dropping - !priv->vif\n");
goto drop_unlock;
}
struct sk_buff *beacon;
/* Pull updated AP beacon from mac80211. will fail if not in AP mode */
- beacon = ieee80211_beacon_get(priv->hw, priv->interface_id, NULL);
+ beacon = ieee80211_beacon_get(priv->hw, priv->vif, NULL);
if (!beacon) {
IWL_ERROR("update beacon failed\n");
}
iwl3945_init_geos(priv);
+ iwl3945_reset_channel_flag(priv);
if (iwl3945_is_rfkill(priv))
return;
- if (!priv->mac80211_registered) {
- /* Unlock so any user space entry points can call back into
- * the driver without a deadlock... */
- mutex_unlock(&priv->mutex);
- iwl3945_rate_control_register(priv->hw);
- rc = ieee80211_register_hw(priv->hw);
- priv->hw->conf.beacon_int = 100;
- mutex_lock(&priv->mutex);
-
- if (rc) {
- iwl3945_rate_control_unregister(priv->hw);
- IWL_ERROR("Failed to register network "
- "device (error %d)\n", rc);
- return;
- }
-
- priv->mac80211_registered = 1;
-
- iwl3945_reset_channel_flag(priv);
- } else
- ieee80211_start_queues(priv->hw);
+ ieee80211_start_queues(priv->hw);
priv->active_rate = priv->rates_mask;
priv->active_rate_basic = priv->rates_mask & IWL_BASIC_RATES_MASK;
iwl3945_reg_txpower_periodic(priv);
IWL_DEBUG_INFO("ALIVE processing complete.\n");
+ wake_up_interruptible(&priv->wait_command_queue);
if (priv->error_recovering)
iwl3945_error_recovery(priv);
static int __iwl3945_up(struct iwl3945_priv *priv)
{
- DECLARE_MAC_BUF(mac);
int rc, i;
if (test_bit(STATUS_EXIT_PENDING, &priv->status)) {
if (test_bit(STATUS_RF_KILL_SW, &priv->status)) {
IWL_WARNING("Radio disabled by SW RF kill (module "
"parameter)\n");
- return 0;
+ return -ENODEV;
+ }
+
+ /* If platform's RF_KILL switch is NOT set to KILL */
+ if (iwl3945_read32(priv, CSR_GP_CNTRL) &
+ CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW)
+ clear_bit(STATUS_RF_KILL_HW, &priv->status);
+ else {
+ set_bit(STATUS_RF_KILL_HW, &priv->status);
+ if (!test_bit(STATUS_IN_SUSPEND, &priv->status)) {
+ IWL_WARNING("Radio disabled by HW RF Kill switch\n");
+ return -ENODEV;
+ }
}
if (!priv->ucode_data_backup.v_addr || !priv->ucode_data.v_addr) {
* This will be used to initialize the on-board processor's
* data SRAM for a clean start when the runtime program first loads. */
memcpy(priv->ucode_data_backup.v_addr, priv->ucode_data.v_addr,
- priv->ucode_data.len);
+ priv->ucode_data.len);
+
+ /* We return success when we resume from suspend and rf_kill is on. */
+ if (test_bit(STATUS_RF_KILL_HW, &priv->status))
+ return 0;
for (i = 0; i < MAX_HW_RESTARTS; i++) {
/* start card; "initialize" will load runtime ucode */
iwl3945_nic_start(priv);
- /* MAC Address location in EEPROM is same for 3945/4965 */
- get_eeprom_mac(priv, priv->mac_addr);
- IWL_DEBUG_INFO("MAC address: %s\n",
- print_mac(mac, priv->mac_addr));
-
- SET_IEEE80211_PERM_ADDR(priv->hw, priv->mac_addr);
-
IWL_DEBUG_INFO(DRV_NAME " is coming up\n");
return 0;
mutex_lock(&priv->mutex);
- if (!priv->interface_id || !priv->is_open) {
+ if (!priv->vif || !priv->is_open) {
mutex_unlock(&priv->mutex);
return;
}
*
*****************************************************************************/
+#define UCODE_READY_TIMEOUT (2 * HZ)
+
static int iwl3945_mac_start(struct ieee80211_hw *hw)
{
struct iwl3945_priv *priv = hw->priv;
+ int ret;
IWL_DEBUG_MAC80211("enter\n");
+ if (pci_enable_device(priv->pci_dev)) {
+ IWL_ERROR("Fail to pci_enable_device\n");
+ return -ENODEV;
+ }
+ pci_restore_state(priv->pci_dev);
+ pci_enable_msi(priv->pci_dev);
+
+ ret = request_irq(priv->pci_dev->irq, iwl3945_isr, IRQF_SHARED,
+ DRV_NAME, priv);
+ if (ret) {
+ IWL_ERROR("Error allocating IRQ %d\n", priv->pci_dev->irq);
+ goto out_disable_msi;
+ }
+
/* we should be verifying the device is ready to be opened */
mutex_lock(&priv->mutex);
- priv->is_open = 1;
+ memset(&priv->staging_rxon, 0, sizeof(struct iwl3945_rxon_cmd));
+ /* fetch ucode file from disk, alloc and copy to bus-master buffers ...
+ * ucode filename and max sizes are card-specific. */
- if (!iwl3945_is_rfkill(priv))
- ieee80211_start_queues(priv->hw);
+ if (!priv->ucode_code.len) {
+ ret = iwl3945_read_ucode(priv);
+ if (ret) {
+ IWL_ERROR("Could not read microcode: %d\n", ret);
+ mutex_unlock(&priv->mutex);
+ goto out_release_irq;
+ }
+ }
+
+ ret = __iwl3945_up(priv);
mutex_unlock(&priv->mutex);
+
+ if (ret)
+ goto out_release_irq;
+
+ IWL_DEBUG_INFO("Start UP work.\n");
+
+ if (test_bit(STATUS_IN_SUSPEND, &priv->status))
+ return 0;
+
+ /* Wait for START_ALIVE from ucode. Otherwise callbacks from
+ * mac80211 will not be run successfully. */
+ ret = wait_event_interruptible_timeout(priv->wait_command_queue,
+ test_bit(STATUS_READY, &priv->status),
+ UCODE_READY_TIMEOUT);
+ if (!ret) {
+ if (!test_bit(STATUS_READY, &priv->status)) {
+ IWL_ERROR("Wait for START_ALIVE timeout after %dms.\n",
+ jiffies_to_msecs(UCODE_READY_TIMEOUT));
+ ret = -ETIMEDOUT;
+ goto out_release_irq;
+ }
+ }
+
+ priv->is_open = 1;
IWL_DEBUG_MAC80211("leave\n");
return 0;
+
+out_release_irq:
+ free_irq(priv->pci_dev->irq, priv);
+out_disable_msi:
+ pci_disable_msi(priv->pci_dev);
+ pci_disable_device(priv->pci_dev);
+ priv->is_open = 0;
+ IWL_DEBUG_MAC80211("leave - failed\n");
+ return ret;
}
static void iwl3945_mac_stop(struct ieee80211_hw *hw)
IWL_DEBUG_MAC80211("enter\n");
+ if (!priv->is_open) {
+ IWL_DEBUG_MAC80211("leave - skip\n");
+ return;
+ }
- mutex_lock(&priv->mutex);
- /* stop mac, cancel any scan request and clear
- * RXON_FILTER_ASSOC_MSK BIT
- */
priv->is_open = 0;
- if (!iwl3945_is_ready_rf(priv)) {
- IWL_DEBUG_MAC80211("leave - RF not ready\n");
+
+ if (iwl3945_is_ready_rf(priv)) {
+ /* stop mac, cancel any scan request and clear
+ * RXON_FILTER_ASSOC_MSK BIT
+ */
+ mutex_lock(&priv->mutex);
+ iwl3945_scan_cancel_timeout(priv, 100);
+ cancel_delayed_work(&priv->post_associate);
mutex_unlock(&priv->mutex);
- return;
}
- iwl3945_scan_cancel_timeout(priv, 100);
- cancel_delayed_work(&priv->post_associate);
- priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
- iwl3945_commit_rxon(priv);
- mutex_unlock(&priv->mutex);
+ iwl3945_down(priv);
+
+ flush_workqueue(priv->workqueue);
+ free_irq(priv->pci_dev->irq, priv);
+ pci_disable_msi(priv->pci_dev);
+ pci_save_state(priv->pci_dev);
+ pci_disable_device(priv->pci_dev);
IWL_DEBUG_MAC80211("leave\n");
}
unsigned long flags;
DECLARE_MAC_BUF(mac);
- IWL_DEBUG_MAC80211("enter: id %d, type %d\n", conf->if_id, conf->type);
+ IWL_DEBUG_MAC80211("enter: type %d\n", conf->type);
- if (priv->interface_id) {
- IWL_DEBUG_MAC80211("leave - interface_id != 0\n");
+ if (priv->vif) {
+ IWL_DEBUG_MAC80211("leave - vif != NULL\n");
return -EOPNOTSUPP;
}
spin_lock_irqsave(&priv->lock, flags);
- priv->interface_id = conf->if_id;
+ priv->vif = conf->vif;
spin_unlock_irqrestore(&priv->lock, flags);
memcpy(priv->mac_addr, conf->mac_addr, ETH_ALEN);
}
- iwl3945_set_mode(priv, conf->type);
+ if (iwl3945_is_ready(priv))
+ iwl3945_set_mode(priv, conf->type);
- IWL_DEBUG_MAC80211("leave\n");
mutex_unlock(&priv->mutex);
+ IWL_DEBUG_MAC80211("leave\n");
return 0;
}
* clear sta table, add BCAST sta... */
}
-static int iwl3945_mac_config_interface(struct ieee80211_hw *hw, int if_id,
+static int iwl3945_mac_config_interface(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
struct ieee80211_if_conf *conf)
{
struct iwl3945_priv *priv = hw->priv;
return 0;
}
+ if (!iwl3945_is_alive(priv))
+ return -EAGAIN;
+
mutex_lock(&priv->mutex);
- IWL_DEBUG_MAC80211("enter: interface id %d\n", if_id);
if (conf->bssid)
IWL_DEBUG_MAC80211("bssid: %s\n",
print_mac(mac, conf->bssid));
return 0;
}
- if (priv->interface_id != if_id) {
- IWL_DEBUG_MAC80211("leave - interface_id != if_id\n");
+ if (priv->vif != vif) {
+ IWL_DEBUG_MAC80211("leave - priv->vif != vif\n");
mutex_unlock(&priv->mutex);
return 0;
}
priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
iwl3945_commit_rxon(priv);
}
- if (priv->interface_id == conf->if_id) {
- priv->interface_id = 0;
+ if (priv->vif == conf->vif) {
+ priv->vif = NULL;
memset(priv->bssid, 0, ETH_ALEN);
memset(priv->essid, 0, IW_ESSID_MAX_SIZE);
priv->essid_len = 0;
mutex_unlock(&priv->mutex);
IWL_DEBUG_MAC80211("leave\n");
-
}
static int iwl3945_mac_hw_scan(struct ieee80211_hw *hw, u8 *ssid, size_t len)
struct iwl3945_priv *priv;
struct ieee80211_hw *hw;
int i;
+ DECLARE_MAC_BUF(mac);
/* Disabling hardware scan means that mac80211 will perform scans
* "the hard way", rather than using device's scan. */
/* Device-specific setup */
if (iwl3945_hw_set_hw_setting(priv)) {
IWL_ERROR("failed to set hw settings\n");
- mutex_unlock(&priv->mutex);
goto out_iounmap;
}
iwl3945_disable_interrupts(priv);
- pci_enable_msi(pdev);
-
- err = request_irq(pdev->irq, iwl3945_isr, IRQF_SHARED, DRV_NAME, priv);
- if (err) {
- IWL_ERROR("Error allocating IRQ %d\n", pdev->irq);
- goto out_disable_msi;
- }
-
- mutex_lock(&priv->mutex);
-
err = sysfs_create_group(&pdev->dev.kobj, &iwl3945_attribute_group);
if (err) {
IWL_ERROR("failed to create sysfs device attributes\n");
- mutex_unlock(&priv->mutex);
goto out_release_irq;
}
- /* fetch ucode file from disk, alloc and copy to bus-master buffers ...
- * ucode filename and max sizes are card-specific. */
- err = iwl3945_read_ucode(priv);
+ /* nic init */
+ iwl3945_set_bit(priv, CSR_GIO_CHICKEN_BITS,
+ CSR_GIO_CHICKEN_BITS_REG_BIT_DIS_L0S_EXIT_TIMER);
+
+ iwl3945_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
+ err = iwl3945_poll_bit(priv, CSR_GP_CNTRL,
+ CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
+ CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000);
+ if (err < 0) {
+ IWL_DEBUG_INFO("Failed to init the card\n");
+ goto out_remove_sysfs;
+ }
+ /* Read the EEPROM */
+ err = iwl3945_eeprom_init(priv);
if (err) {
- IWL_ERROR("Could not read microcode: %d\n", err);
- mutex_unlock(&priv->mutex);
- goto out_pci_alloc;
+ IWL_ERROR("Unable to init EEPROM\n");
+ goto out_remove_sysfs;
}
+ /* MAC Address location in EEPROM same for 3945/4965 */
+ get_eeprom_mac(priv, priv->mac_addr);
+ IWL_DEBUG_INFO("MAC address: %s\n", print_mac(mac, priv->mac_addr));
+ SET_IEEE80211_PERM_ADDR(priv->hw, priv->mac_addr);
- mutex_unlock(&priv->mutex);
-
- IWL_DEBUG_INFO("Queueing UP work.\n");
+ iwl3945_rate_control_register(priv->hw);
+ err = ieee80211_register_hw(priv->hw);
+ if (err) {
+ IWL_ERROR("Failed to register network device (error %d)\n", err);
+ goto out_remove_sysfs;
+ }
- queue_work(priv->workqueue, &priv->up);
+ priv->hw->conf.beacon_int = 100;
+ priv->mac80211_registered = 1;
+ pci_save_state(pdev);
+ pci_disable_device(pdev);
return 0;
- out_pci_alloc:
- iwl3945_dealloc_ucode_pci(priv);
-
+ out_remove_sysfs:
sysfs_remove_group(&pdev->dev.kobj, &iwl3945_attribute_group);
out_release_irq:
- free_irq(pdev->irq, priv);
-
- out_disable_msi:
- pci_disable_msi(pdev);
destroy_workqueue(priv->workqueue);
priv->workqueue = NULL;
iwl3945_unset_hw_setting(priv);
destroy_workqueue(priv->workqueue);
priv->workqueue = NULL;
- free_irq(pdev->irq, priv);
- pci_disable_msi(pdev);
pci_iounmap(pdev, priv->hw_base);
pci_release_regions(pdev);
pci_disable_device(pdev);
{
struct iwl3945_priv *priv = pci_get_drvdata(pdev);
- set_bit(STATUS_IN_SUSPEND, &priv->status);
-
- /* Take down the device; powers it off, etc. */
- iwl3945_down(priv);
-
- if (priv->mac80211_registered)
- ieee80211_stop_queues(priv->hw);
+ if (priv->is_open) {
+ set_bit(STATUS_IN_SUSPEND, &priv->status);
+ iwl3945_mac_stop(priv->hw);
+ priv->is_open = 1;
+ }
- pci_save_state(pdev);
- pci_disable_device(pdev);
pci_set_power_state(pdev, PCI_D3hot);
return 0;
}
-static void iwl3945_resume(struct iwl3945_priv *priv)
-{
- unsigned long flags;
-
- /* The following it a temporary work around due to the
- * suspend / resume not fully initializing the NIC correctly.
- * Without all of the following, resume will not attempt to take
- * down the NIC (it shouldn't really need to) and will just try
- * and bring the NIC back up. However that fails during the
- * ucode verification process. This then causes iwl3945_down to be
- * called *after* iwl3945_hw_nic_init() has succeeded -- which
- * then lets the next init sequence succeed. So, we've
- * replicated all of that NIC init code here... */
-
- iwl3945_write32(priv, CSR_INT, 0xFFFFFFFF);
-
- iwl3945_hw_nic_init(priv);
-
- iwl3945_write32(priv, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL);
- iwl3945_write32(priv, CSR_UCODE_DRV_GP1_CLR,
- CSR_UCODE_DRV_GP1_BIT_CMD_BLOCKED);
- iwl3945_write32(priv, CSR_INT, 0xFFFFFFFF);
- iwl3945_write32(priv, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL);
- iwl3945_write32(priv, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL);
-
- /* tell the device to stop sending interrupts */
- iwl3945_disable_interrupts(priv);
-
- spin_lock_irqsave(&priv->lock, flags);
- iwl3945_clear_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ);
-
- if (!iwl3945_grab_nic_access(priv)) {
- iwl3945_write_prph(priv, APMG_CLK_DIS_REG,
- APMG_CLK_VAL_DMA_CLK_RQT);
- iwl3945_release_nic_access(priv);
- }
- spin_unlock_irqrestore(&priv->lock, flags);
-
- udelay(5);
-
- iwl3945_hw_nic_reset(priv);
-
- /* Bring the device back up */
- clear_bit(STATUS_IN_SUSPEND, &priv->status);
- queue_work(priv->workqueue, &priv->up);
-}
-
static int iwl3945_pci_resume(struct pci_dev *pdev)
{
struct iwl3945_priv *priv = pci_get_drvdata(pdev);
- int err;
-
- printk(KERN_INFO "Coming out of suspend...\n");
pci_set_power_state(pdev, PCI_D0);
- err = pci_enable_device(pdev);
- pci_restore_state(pdev);
- /*
- * Suspend/Resume resets the PCI configuration space, so we have to
- * re-disable the RETRY_TIMEOUT register (0x41) to keep PCI Tx retries
- * from interfering with C3 CPU state. pci_restore_state won't help
- * here since it only restores the first 64 bytes pci config header.
- */
- pci_write_config_byte(pdev, 0x41, 0x00);
-
- iwl3945_resume(priv);
+ if (priv->is_open)
+ iwl3945_mac_start(priv->hw);
+ clear_bit(STATUS_IN_SUSPEND, &priv->status);
return 0;
}
projects / deliverable / linux.git / blobdiff