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-rw-r--r--drivers/staging/et131x/et131x.c262
1 files changed, 128 insertions, 134 deletions
diff --git a/drivers/staging/et131x/et131x.c b/drivers/staging/et131x/et131x.c
index 2e621aaadd68..8d36da0ce9ca 100644
--- a/drivers/staging/et131x/et131x.c
+++ b/drivers/staging/et131x/et131x.c
@@ -576,11 +576,6 @@ struct et131x_adapter {
struct net_device_stats net_stats;
};
-void et131x_rx_dma_disable(struct et131x_adapter *adapter);
-void et131x_rx_dma_enable(struct et131x_adapter *adapter);
-void et131x_init_send(struct et131x_adapter *adapter);
-void et131x_tx_dma_enable(struct et131x_adapter *adapter);
-
/* EEPROM functions */
static int eeprom_wait_ready(struct pci_dev *pdev, u32 *status)
@@ -869,6 +864,100 @@ int et131x_init_eeprom(struct et131x_adapter *adapter)
return 0;
}
+/**
+ * et131x_rx_dma_enable - re-start of Rx_DMA on the ET1310.
+ * @adapter: pointer to our adapter structure
+ */
+void et131x_rx_dma_enable(struct et131x_adapter *adapter)
+{
+ /* Setup the receive dma configuration register for normal operation */
+ u32 csr = 0x2000; /* FBR1 enable */
+
+ if (adapter->rx_ring.fbr[0]->buffsize == 4096)
+ csr |= 0x0800;
+ else if (adapter->rx_ring.fbr[0]->buffsize == 8192)
+ csr |= 0x1000;
+ else if (adapter->rx_ring.fbr[0]->buffsize == 16384)
+ csr |= 0x1800;
+#ifdef USE_FBR0
+ csr |= 0x0400; /* FBR0 enable */
+ if (adapter->rx_ring.fbr[1]->buffsize == 256)
+ csr |= 0x0100;
+ else if (adapter->rx_ring.fbr[1]->buffsize == 512)
+ csr |= 0x0200;
+ else if (adapter->rx_ring.fbr[1]->buffsize == 1024)
+ csr |= 0x0300;
+#endif
+ writel(csr, &adapter->regs->rxdma.csr);
+
+ csr = readl(&adapter->regs->rxdma.csr);
+ if ((csr & 0x00020000) != 0) {
+ udelay(5);
+ csr = readl(&adapter->regs->rxdma.csr);
+ if ((csr & 0x00020000) != 0) {
+ dev_err(&adapter->pdev->dev,
+ "RX Dma failed to exit halt state. CSR 0x%08x\n",
+ csr);
+ }
+ }
+}
+
+/**
+ * et131x_rx_dma_disable - Stop of Rx_DMA on the ET1310
+ * @adapter: pointer to our adapter structure
+ */
+void et131x_rx_dma_disable(struct et131x_adapter *adapter)
+{
+ u32 csr;
+ /* Setup the receive dma configuration register */
+ writel(0x00002001, &adapter->regs->rxdma.csr);
+ csr = readl(&adapter->regs->rxdma.csr);
+ if ((csr & 0x00020000) == 0) { /* Check halt status (bit 17) */
+ udelay(5);
+ csr = readl(&adapter->regs->rxdma.csr);
+ if ((csr & 0x00020000) == 0)
+ dev_err(&adapter->pdev->dev,
+ "RX Dma failed to enter halt state. CSR 0x%08x\n",
+ csr);
+ }
+}
+
+/**
+ * et131x_tx_dma_enable - re-start of Tx_DMA on the ET1310.
+ * @adapter: pointer to our adapter structure
+ *
+ * Mainly used after a return to the D0 (full-power) state from a lower state.
+ */
+void et131x_tx_dma_enable(struct et131x_adapter *adapter)
+{
+ /* Setup the transmit dma configuration register for normal
+ * operation
+ */
+ writel(ET_TXDMA_SNGL_EPKT|(PARM_DMA_CACHE_DEF << ET_TXDMA_CACHE_SHIFT),
+ &adapter->regs->txdma.csr);
+}
+
+static inline void add_10bit(u32 *v, int n)
+{
+ *v = INDEX10(*v + n) | (*v & ET_DMA10_WRAP);
+}
+
+static inline void add_12bit(u32 *v, int n)
+{
+ *v = INDEX12(*v + n) | (*v & ET_DMA12_WRAP);
+}
+
+/**
+ * nic_rx_pkts - Checks the hardware for available packets
+ * @adapter: pointer to our adapter
+ *
+ * Returns rfd, a pointer to our MPRFD.
+ *
+ * Checks the hardware for available packets, using completion ring
+ * If packets are available, it gets an RFD from the recv_list, attaches
+ * the packet to it, puts the RFD in the RecvPendList, and also returns
+ * the pointer to the RFD.
+ */
/* MAC functions */
/**
@@ -2011,21 +2100,6 @@ void et131x_tx_dma_disable(struct et131x_adapter *adapter)
}
/**
- * et131x_tx_dma_enable - re-start of Tx_DMA on the ET1310.
- * @adapter: pointer to our adapter structure
- *
- * Mainly used after a return to the D0 (full-power) state from a lower state.
- */
-void et131x_tx_dma_enable(struct et131x_adapter *adapter)
-{
- /* Setup the transmit dma configuration register for normal
- * operation
- */
- writel(ET_TXDMA_SNGL_EPKT|(PARM_DMA_CACHE_DEF << ET_TXDMA_CACHE_SHIFT),
- &adapter->regs->txdma.csr);
-}
-
-/**
* et131x_enable_txrx - Enable tx/rx queues
* @netdev: device to be enabled
*/
@@ -2065,6 +2139,40 @@ void et131x_disable_txrx(struct net_device *netdev)
}
/**
+ * et131x_init_send - Initialize send data structures
+ * @adapter: pointer to our private adapter structure
+ */
+void et131x_init_send(struct et131x_adapter *adapter)
+{
+ struct tcb *tcb;
+ u32 ct;
+ struct tx_ring *tx_ring;
+
+ /* Setup some convenience pointers */
+ tx_ring = &adapter->tx_ring;
+ tcb = adapter->tx_ring.tcb_ring;
+
+ tx_ring->tcb_qhead = tcb;
+
+ memset(tcb, 0, sizeof(struct tcb) * NUM_TCB);
+
+ /* Go through and set up each TCB */
+ for (ct = 0; ct++ < NUM_TCB; tcb++)
+ /* Set the link pointer in HW TCB to the next TCB in the
+ * chain
+ */
+ tcb->next = tcb + 1;
+
+ /* Set the tail pointer */
+ tcb--;
+ tx_ring->tcb_qtail = tcb;
+ tcb->next = NULL;
+ /* Curr send queue should now be empty */
+ tx_ring->send_head = NULL;
+ tx_ring->send_tail = NULL;
+}
+
+/**
* et1310_enable_phy_coma - called when network cable is unplugged
* @adapter: pointer to our adapter structure
*
@@ -2802,86 +2910,6 @@ static void nic_return_rfd(struct et131x_adapter *adapter, struct rfd *rfd)
WARN_ON(rx_local->num_ready_recv > rx_local->num_rfd);
}
-/**
- * et131x_rx_dma_disable - Stop of Rx_DMA on the ET1310
- * @adapter: pointer to our adapter structure
- */
-void et131x_rx_dma_disable(struct et131x_adapter *adapter)
-{
- u32 csr;
- /* Setup the receive dma configuration register */
- writel(0x00002001, &adapter->regs->rxdma.csr);
- csr = readl(&adapter->regs->rxdma.csr);
- if ((csr & 0x00020000) == 0) { /* Check halt status (bit 17) */
- udelay(5);
- csr = readl(&adapter->regs->rxdma.csr);
- if ((csr & 0x00020000) == 0)
- dev_err(&adapter->pdev->dev,
- "RX Dma failed to enter halt state. CSR 0x%08x\n",
- csr);
- }
-}
-
-/**
- * et131x_rx_dma_enable - re-start of Rx_DMA on the ET1310.
- * @adapter: pointer to our adapter structure
- */
-void et131x_rx_dma_enable(struct et131x_adapter *adapter)
-{
- /* Setup the receive dma configuration register for normal operation */
- u32 csr = 0x2000; /* FBR1 enable */
-
- if (adapter->rx_ring.fbr[0]->buffsize == 4096)
- csr |= 0x0800;
- else if (adapter->rx_ring.fbr[0]->buffsize == 8192)
- csr |= 0x1000;
- else if (adapter->rx_ring.fbr[0]->buffsize == 16384)
- csr |= 0x1800;
-#ifdef USE_FBR0
- csr |= 0x0400; /* FBR0 enable */
- if (adapter->rx_ring.fbr[1]->buffsize == 256)
- csr |= 0x0100;
- else if (adapter->rx_ring.fbr[1]->buffsize == 512)
- csr |= 0x0200;
- else if (adapter->rx_ring.fbr[1]->buffsize == 1024)
- csr |= 0x0300;
-#endif
- writel(csr, &adapter->regs->rxdma.csr);
-
- csr = readl(&adapter->regs->rxdma.csr);
- if ((csr & 0x00020000) != 0) {
- udelay(5);
- csr = readl(&adapter->regs->rxdma.csr);
- if ((csr & 0x00020000) != 0) {
- dev_err(&adapter->pdev->dev,
- "RX Dma failed to exit halt state. CSR 0x%08x\n",
- csr);
- }
- }
-}
-
-
-static inline void add_10bit(u32 *v, int n)
-{
- *v = INDEX10(*v + n) | (*v & ET_DMA10_WRAP);
-}
-
-static inline void add_12bit(u32 *v, int n)
-{
- *v = INDEX12(*v + n) | (*v & ET_DMA12_WRAP);
-}
-
-/**
- * nic_rx_pkts - Checks the hardware for available packets
- * @adapter: pointer to our adapter
- *
- * Returns rfd, a pointer to our MPRFD.
- *
- * Checks the hardware for available packets, using completion ring
- * If packets are available, it gets an RFD from the recv_list, attaches
- * the packet to it, puts the RFD in the RecvPendList, and also returns
- * the pointer to the RFD.
- */
static struct rfd *nic_rx_pkts(struct et131x_adapter *adapter)
{
struct rx_ring *rx_local = &adapter->rx_ring;
@@ -3247,40 +3275,6 @@ void et131x_tx_dma_memory_free(struct et131x_adapter *adapter)
}
/**
- * et131x_init_send - Initialize send data structures
- * @adapter: pointer to our private adapter structure
- */
-void et131x_init_send(struct et131x_adapter *adapter)
-{
- struct tcb *tcb;
- u32 ct;
- struct tx_ring *tx_ring;
-
- /* Setup some convenience pointers */
- tx_ring = &adapter->tx_ring;
- tcb = adapter->tx_ring.tcb_ring;
-
- tx_ring->tcb_qhead = tcb;
-
- memset(tcb, 0, sizeof(struct tcb) * NUM_TCB);
-
- /* Go through and set up each TCB */
- for (ct = 0; ct++ < NUM_TCB; tcb++)
- /* Set the link pointer in HW TCB to the next TCB in the
- * chain
- */
- tcb->next = tcb + 1;
-
- /* Set the tail pointer */
- tcb--;
- tx_ring->tcb_qtail = tcb;
- tcb->next = NULL;
- /* Curr send queue should now be empty */
- tx_ring->send_head = NULL;
- tx_ring->send_tail = NULL;
-}
-
-/**
* nic_send_packet - NIC specific send handler for version B silicon.
* @adapter: pointer to our adapter
* @tcb: pointer to struct tcb
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