diff options
Diffstat (limited to 'target/linux/atheros/files/drivers/net/ar2313/ar2313.h')
| -rw-r--r-- | target/linux/atheros/files/drivers/net/ar2313/ar2313.h | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/target/linux/atheros/files/drivers/net/ar2313/ar2313.h b/target/linux/atheros/files/drivers/net/ar2313/ar2313.h new file mode 100644 index 0000000000..c0b3a4f765 --- /dev/null +++ b/target/linux/atheros/files/drivers/net/ar2313/ar2313.h @@ -0,0 +1,193 @@ +#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_ */ |