+#ifndef _AR2313_H_
+#define _AR2313_H_
+
+#include <linux/autoconf.h>
+#include <asm/bootinfo.h>
+#include <ar531x_platform.h>
+
+/*
+ * probe link timer - 5 secs
+ */
+#define LINK_TIMER (5*HZ)
+
+#define IS_DMA_TX_INT(X) (((X) & (DMA_STATUS_TI)) != 0)
+#define IS_DMA_RX_INT(X) (((X) & (DMA_STATUS_RI)) != 0)
+#define IS_DRIVER_OWNED(X) (((X) & (DMA_TX_OWN)) == 0)
+
+#define AR2313_TX_TIMEOUT (HZ/4)
+
+/*
+ * Rings
+ */
+#define DSC_RING_ENTRIES_SIZE (AR2313_DESCR_ENTRIES * sizeof(struct desc))
+#define DSC_NEXT(idx) ((idx + 1) & (AR2313_DESCR_ENTRIES - 1))
+
+static inline int tx_space(u32 csm, u32 prd)
+{
+ return (csm - prd - 1) & (AR2313_DESCR_ENTRIES - 1);
+}
+
+#if MAX_SKB_FRAGS
+#define TX_RESERVED (MAX_SKB_FRAGS+1) /* +1 for message header */
+#define tx_ring_full(csm, prd) (tx_space(csm, prd) <= TX_RESERVED)
+#else
+#define tx_ring_full 0
+#endif
+
+#define AR2313_MBGET 2
+#define AR2313_MBSET 3
+#define AR2313_PCI_RECONFIG 4
+#define AR2313_PCI_DUMP 5
+#define AR2313_TEST_PANIC 6
+#define AR2313_TEST_NULLPTR 7
+#define AR2313_READ_DATA 8
+#define AR2313_WRITE_DATA 9
+#define AR2313_GET_VERSION 10
+#define AR2313_TEST_HANG 11
+#define AR2313_SYNC 12
+
+
+//
+// New Combo structure for Both Eth0 AND eth1
+//
+typedef struct {
+ volatile unsigned int mac_control; /* 0x00 */
+ volatile unsigned int mac_addr[2]; /* 0x04 - 0x08 */
+ volatile unsigned int mcast_table[2]; /* 0x0c - 0x10 */
+ volatile unsigned int mii_addr; /* 0x14 */
+ volatile unsigned int mii_data; /* 0x18 */
+ volatile unsigned int flow_control; /* 0x1c */
+ volatile unsigned int vlan_tag; /* 0x20 */
+ volatile unsigned int pad[7]; /* 0x24 - 0x3c */
+ volatile unsigned int ucast_table[8]; /* 0x40-0x5c */
+
+} ETHERNET_STRUCT;
+
+/********************************************************************
+ * Interrupt controller
+ ********************************************************************/
+
+typedef struct {
+ volatile unsigned int wdog_control; /* 0x08 */
+ volatile unsigned int wdog_timer; /* 0x0c */
+ volatile unsigned int misc_status; /* 0x10 */
+ volatile unsigned int misc_mask; /* 0x14 */
+ volatile unsigned int global_status; /* 0x18 */
+ volatile unsigned int reserved; /* 0x1c */
+ volatile unsigned int reset_control; /* 0x20 */
+} INTERRUPT;
+
+/********************************************************************
+ * DMA controller
+ ********************************************************************/
+typedef struct {
+ volatile unsigned int bus_mode; /* 0x00 (CSR0) */
+ volatile unsigned int xmt_poll; /* 0x04 (CSR1) */
+ volatile unsigned int rcv_poll; /* 0x08 (CSR2) */
+ volatile unsigned int rcv_base; /* 0x0c (CSR3) */
+ volatile unsigned int xmt_base; /* 0x10 (CSR4) */
+ volatile unsigned int status; /* 0x14 (CSR5) */
+ volatile unsigned int control; /* 0x18 (CSR6) */
+ volatile unsigned int intr_ena; /* 0x1c (CSR7) */
+ volatile unsigned int rcv_missed; /* 0x20 (CSR8) */
+ volatile unsigned int reserved[11]; /* 0x24-0x4c (CSR9-19) */
+ volatile unsigned int cur_tx_buf_addr; /* 0x50 (CSR20) */
+ volatile unsigned int cur_rx_buf_addr; /* 0x50 (CSR21) */
+} DMA;
+
+/*
+ * Struct private for the Sibyte.
+ *
+ * Elements are grouped so variables used by the tx handling goes
+ * together, and will go into the same cache lines etc. in order to
+ * avoid cache line contention between the rx and tx handling on SMP.
+ *
+ * Frequently accessed variables are put at the beginning of the
+ * struct to help the compiler generate better/shorter code.
+ */
+struct ar2313_private {
+ struct net_device *dev;
+ int version;
+ u32 mb[2];
+
+ volatile ETHERNET_STRUCT *phy_regs;
+ volatile ETHERNET_STRUCT *eth_regs;
+ volatile DMA *dma_regs;
+ volatile u32 *int_regs;
+ struct ar531x_eth *cfg;
+
+ spinlock_t lock; /* Serialise access to device */
+
+ /*
+ * RX and TX descriptors, must be adjacent
+ */
+ ar2313_descr_t *rx_ring;
+ ar2313_descr_t *tx_ring;
+
+
+ struct sk_buff **rx_skb;
+ struct sk_buff **tx_skb;
+
+ /*
+ * RX elements
+ */
+ u32 rx_skbprd;
+ u32 cur_rx;
+
+ /*
+ * TX elements
+ */
+ u32 tx_prd;
+ u32 tx_csm;
+
+ /*
+ * Misc elements
+ */
+ int board_idx;
+ char name[48];
+ struct net_device_stats stats;
+ struct {
+ u32 address;
+ u32 length;
+ char *mapping;
+ } desc;
+
+
+ struct timer_list link_timer;
+ unsigned short phy; /* merlot phy = 1, samsung phy = 0x1f */
+ unsigned short mac;
+ unsigned short link; /* 0 - link down, 1 - link up */
+ u16 phyData;
+
+ struct tasklet_struct rx_tasklet;
+ int unloading;
+};
+
+
+/*
+ * Prototypes
+ */
+static int ar2313_init(struct net_device *dev);
+#ifdef TX_TIMEOUT
+static void ar2313_tx_timeout(struct net_device *dev);
+#endif
+#if 0
+static void ar2313_multicast_list(struct net_device *dev);
+#endif
+static int ar2313_restart(struct net_device *dev);
+#if DEBUG
+static void ar2313_dump_regs(struct net_device *dev);
+#endif
+static void ar2313_load_rx_ring(struct net_device *dev, int bufs);
+static irqreturn_t ar2313_interrupt(int irq, void *dev_id);
+static int ar2313_open(struct net_device *dev);
+static int ar2313_start_xmit(struct sk_buff *skb, struct net_device *dev);
+static int ar2313_close(struct net_device *dev);
+static int ar2313_ioctl(struct net_device *dev, struct ifreq *ifr,
+ int cmd);
+static void ar2313_init_cleanup(struct net_device *dev);
+static int ar2313_setup_timer(struct net_device *dev);
+static void ar2313_link_timer_fn(unsigned long data);
+static void ar2313_check_link(struct net_device *dev);
+static struct net_device_stats *ar2313_get_stats(struct net_device *dev);
+#endif /* _AR2313_H_ */
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