197 lines
5.3 KiB
C
197 lines
5.3 KiB
C
#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;
|
|
|
|
struct phy_device *phy_dev;
|
|
struct mii_bus mii_bus;
|
|
};
|
|
|
|
|
|
/*
|
|
* 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_ */
|