--- /dev/null
+#ifndef _AR2313_H_
+#define _AR2313_H_
+
+#include <linux/autoconf.h>
+#include <asm/bootinfo.h>
+#include "platform.h"
+
+extern unsigned long mips_machtype;
+
+#undef ETHERNET_BASE
+#define ETHERNET_BASE ar_eth_base
+#define ETHERNET_SIZE 0x00100000
+#define ETHERNET_MACS 2
+
+#undef DMA_BASE
+#define DMA_BASE ar_dma_base
+#define DMA_SIZE 0x00100000
+
+
+/*
+ * probe link timer - 5 secs
+ */
+#define LINK_TIMER (5*HZ)
+
+/*
+ * Interrupt register base address
+ */
+#define INTERRUPT_BASE PHYS_TO_K1(ar_int_base)
+
+/*
+ * Reset Register
+ */
+#define AR531X_RESET (AR531X_RESETTMR + 0x0020)
+#define RESET_SYSTEM 0x00000001 /* cold reset full system */
+#define RESET_PROC 0x00000002 /* cold reset MIPS core */
+#define RESET_WLAN0 0x00000004 /* cold reset WLAN MAC and BB */
+#define RESET_EPHY0 0x00000008 /* cold reset ENET0 phy */
+#define RESET_EPHY1 0x00000010 /* cold reset ENET1 phy */
+#define RESET_ENET0 0x00000020 /* cold reset ENET0 mac */
+#define RESET_ENET1 0x00000040 /* cold reset ENET1 mac */
+
+#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)
+
+#ifndef K1_TO_PHYS
+// hack
+#define K1_TO_PHYS(x) (((unsigned int)(x)) & 0x1FFFFFFF) /* kseg1 to physical */
+#endif
+
+#ifndef PHYS_TO_K1
+// hack
+#define PHYS_TO_K1(x) (((unsigned int)(x)) | 0xA0000000) /* physical to kseg1 */
+#endif
+
+#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
+
+
+struct ar2313_cmd {
+ u32 cmd;
+ u32 address; /* virtual address of image */
+ u32 length; /* size of image to download */
+ u32 mailbox; /* mailbox to get/set */
+ u32 data[2]; /* contents of mailbox to read/write */
+};
+
+
+/*
+ * 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
+{
+ int version;
+ u32 mb[2];
+
+ volatile ETHERNET_STRUCT *eth_regs;
+ volatile DMA *dma_regs;
+ volatile u32 *int_regs;
+
+ 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_ */
projects / openwrt / staging / chunkeey.git / blobdiff