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#ifndef _AR2313_H_
#define _AR2313_H_
#include <linux/autoconf.h>
#include <asm/bootinfo.h>
#include <ar531x_platform.h>
#include "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
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
{
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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