net: fec: move fec_enet_private to header file

[karo-tx-linux.git] / drivers / net / ethernet / freescale / fec.h

diff --git a/drivers/net/ethernet/freescale/fec.h b/drivers/net/ethernet/freescale/fec.h
index 8408c627b1953a230c1f25d24b05217b0718d19f..e803812975dfacbb0d87d6fdf7e5f21e9d8df0fb 100644 (file)
--- a/drivers/net/ethernet/freescale/fec.h
+++ b/drivers/net/ethernet/freescale/fec.h
@@ -147,6 +147,87 @@ struct bufdesc {
 #define BD_ENET_TX_CSL          ((ushort)0x0001)
 #define BD_ENET_TX_STATS        ((ushort)0x03ff)        /* All status bits */
 
+/*enhanced buffer desciptor control/status used by Ethernet transmit*/
+#define BD_ENET_TX_INT          0x40000000
+#define BD_ENET_TX_TS           0x20000000
+
+
+/* This device has up to three irqs on some platforms */
+#define FEC_IRQ_NUM            3
+
+/* The number of Tx and Rx buffers.  These are allocated from the page
+ * pool.  The code may assume these are power of two, so it it best
+ * to keep them that size.
+ * We don't need to allocate pages for the transmitter.  We just use
+ * the skbuffer directly.
+ */
+
+#define FEC_ENET_RX_PAGES      8
+#define FEC_ENET_RX_FRSIZE     2048
+#define FEC_ENET_RX_FRPPG      (PAGE_SIZE / FEC_ENET_RX_FRSIZE)
+#define RX_RING_SIZE           (FEC_ENET_RX_FRPPG * FEC_ENET_RX_PAGES)
+#define FEC_ENET_TX_FRSIZE     2048
+#define FEC_ENET_TX_FRPPG      (PAGE_SIZE / FEC_ENET_TX_FRSIZE)
+#define TX_RING_SIZE           16      /* Must be power of two */
+#define TX_RING_MOD_MASK       15      /*   for this to work */
+
+#define BD_ENET_RX_INT          0x00800000
+#define BD_ENET_RX_PTP          ((ushort)0x0400)
+
+/* The FEC buffer descriptors track the ring buffers.  The rx_bd_base and
+ * tx_bd_base always point to the base of the buffer descriptors.  The
+ * cur_rx and cur_tx point to the currently available buffer.
+ * The dirty_tx tracks the current buffer that is being sent by the
+ * controller.  The cur_tx and dirty_tx are equal under both completely
+ * empty and completely full conditions.  The empty/ready indicator in
+ * the buffer descriptor determines the actual condition.
+ */
+struct fec_enet_private {
+       /* Hardware registers of the FEC device */
+       void __iomem *hwp;
+
+       struct net_device *netdev;
+
+       struct clk *clk_ipg;
+       struct clk *clk_ahb;
+
+       /* The saved address of a sent-in-place packet/buffer, for skfree(). */
+       unsigned char *tx_bounce[TX_RING_SIZE];
+       struct  sk_buff *tx_skbuff[TX_RING_SIZE];
+       struct  sk_buff *rx_skbuff[RX_RING_SIZE];
+       ushort  skb_cur;
+       ushort  skb_dirty;
+
+       /* CPM dual port RAM relative addresses */
+       dma_addr_t      bd_dma;
+       /* Address of Rx and Tx buffers */
+       struct bufdesc  *rx_bd_base;
+       struct bufdesc  *tx_bd_base;
+       /* The next free ring entry */
+       struct bufdesc  *cur_rx, *cur_tx;
+       /* The ring entries to be free()ed */
+       struct bufdesc  *dirty_tx;
+
+       uint    tx_full;
+       /* hold while accessing the HW like ringbuffer for tx/rx but not MAC */
+       spinlock_t hw_lock;
+
+       struct  platform_device *pdev;
+
+       int     opened;
+       int     dev_id;
+
+       /* Phylib and MDIO interface */
+       struct  mii_bus *mii_bus;
+       struct  phy_device *phy_dev;
+       int     mii_timeout;
+       uint    phy_speed;
+       phy_interface_t phy_interface;
+       int     link;
+       int     full_duplex;
+       struct  completion mdio_done;
+       int     irq[FEC_IRQ_NUM];
+};
 
 /****************************************************************************/
 #endif /* FEC_H */