コード例 #1
0
static int iwl_nic_init(struct iwl_priv *priv)
{
	unsigned long flags;

	/* nic_init */
	spin_lock_irqsave(&priv->lock, flags);
	iwl_apm_init(priv);

	/* Set interrupt coalescing calibration timer to default (512 usecs) */
	iwl_write8(priv, CSR_INT_COALESCING, IWL_HOST_INT_CALIB_TIMEOUT_DEF);

	spin_unlock_irqrestore(&priv->lock, flags);

	iwl_set_pwr_vmain(priv);

	priv->cfg->lib->nic_config(priv);

	/* Allocate the RX queue, or reset if it is already allocated */
	iwl_rx_init(priv);

	/* Allocate or reset and init all Tx and Command queues */
	if (iwl_tx_init(priv))
		return -ENOMEM;

	if (priv->cfg->base_params->shadow_reg_enable) {
		/* enable shadow regs in HW */
		iwl_set_bit(priv, CSR_MAC_SHADOW_REG_CTRL,
			0x800FFFFF);
	}

	set_bit(STATUS_INIT, &priv->status);

	return 0;
}
コード例 #2
0
ファイル: iwl-core.c プロジェクト: E-LLP/n900
int iwl_hw_nic_init(struct iwl_priv *priv)
{
	unsigned long flags;
	struct iwl_rx_queue *rxq = &priv->rxq;
	int ret;

	/* nic_init */
	spin_lock_irqsave(&priv->lock, flags);
	priv->cfg->ops->lib->apm_ops.init(priv);
	iwl_write32(priv, CSR_INT_COALESCING, 512 / 32);
	spin_unlock_irqrestore(&priv->lock, flags);

	ret = priv->cfg->ops->lib->apm_ops.set_pwr_src(priv, IWL_PWR_SRC_VMAIN);

	priv->cfg->ops->lib->apm_ops.config(priv);

	/* Allocate the RX queue, or reset if it is already allocated */
	if (!rxq->bd) {
		ret = iwl_rx_queue_alloc(priv);
		if (ret) {
			IWL_ERROR("Unable to initialize Rx queue\n");
			return -ENOMEM;
		}
	} else
		iwl_rx_queue_reset(priv, rxq);

	iwl_rx_replenish(priv);

	iwl_rx_init(priv, rxq);

	spin_lock_irqsave(&priv->lock, flags);

	rxq->need_update = 1;
	iwl_rx_queue_update_write_ptr(priv, rxq);

	spin_unlock_irqrestore(&priv->lock, flags);

	/* Allocate and init all Tx and Command queues */
	ret = iwl_txq_ctx_reset(priv);
	if (ret)
		return ret;

	set_bit(STATUS_INIT, &priv->status);

	return 0;
}