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#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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