#ifndef FS_ENET_H #define FS_ENET_H #include #include #include #include #include #include #include #include #ifdef CONFIG_CPM1 #include struct fec_info { fec_t* fecp; u32 mii_speed; }; #endif #ifdef CONFIG_CPM2 #include #endif /* This is used to operate with pins. Note that the actual port size may be different; cpm(s) handle it OK */ struct bb_info { u8 mdio_dat_msk; u8 mdio_dir_msk; u8 *mdio_dir; u8 *mdio_dat; u8 mdc_msk; u8 *mdc_dat; int delay; }; /* hw driver ops */ struct fs_ops { int (*setup_data)(struct net_device *dev); int (*allocate_bd)(struct net_device *dev); void (*free_bd)(struct net_device *dev); void (*cleanup_data)(struct net_device *dev); void (*set_multicast_list)(struct net_device *dev); void (*adjust_link)(struct net_device *dev); void (*restart)(struct net_device *dev); void (*stop)(struct net_device *dev); void (*pre_request_irq)(struct net_device *dev, int irq); void (*post_free_irq)(struct net_device *dev, int irq); void (*napi_clear_rx_event)(struct net_device *dev); void (*napi_enable_rx)(struct net_device *dev); void (*napi_disable_rx)(struct net_device *dev); void (*rx_bd_done)(struct net_device *dev); void (*tx_kickstart)(struct net_device *dev); u32 (*get_int_events)(struct net_device *dev); void (*clear_int_events)(struct net_device *dev, u32 int_events); void (*ev_error)(struct net_device *dev, u32 int_events); int (*get_regs)(struct net_device *dev, void *p, int *sizep); int (*get_regs_len)(struct net_device *dev); void (*tx_restart)(struct net_device *dev); }; struct phy_info { unsigned int id; const char *name; void (*startup) (struct net_device * dev); void (*shutdown) (struct net_device * dev); void (*ack_int) (struct net_device * dev); }; /* The FEC stores dest/src/type, data, and checksum for receive packets. */ #define MAX_MTU 1508 /* Allow fullsized pppoe packets over VLAN */ #define MIN_MTU 46 /* this is data size */ #define CRC_LEN 4 #define PKT_MAXBUF_SIZE (MAX_MTU+ETH_HLEN+CRC_LEN) #define PKT_MINBUF_SIZE (MIN_MTU+ETH_HLEN+CRC_LEN) /* Must be a multiple of 32 (to cover both FEC & FCC) */ #define PKT_MAXBLR_SIZE ((PKT_MAXBUF_SIZE + 31) & ~31) /* This is needed so that invalidate_xxx wont invalidate too much */ #define ENET_RX_FRSIZE L1_CACHE_ALIGN(PKT_MAXBUF_SIZE) struct fs_enet_mii_bus { struct list_head list; spinlock_t mii_lock; const struct fs_mii_bus_info *bus_info; int refs; u32 usage_map; int (*mii_read)(struct fs_enet_mii_bus *bus, int phy_id, int location); void (*mii_write)(struct fs_enet_mii_bus *bus, int phy_id, int location, int value); union { struct { unsigned int mii_speed; void *fecp; } fec; struct { /* note that the actual port size may */ /* be different; cpm(s) handle it OK */ u8 mdio_msk; u8 *mdio_dir; u8 *mdio_dat; u8 mdc_msk; u8 *mdc_dir; u8 *mdc_dat; } bitbang; struct { u16 lpa; } fixed; }; }; struct fs_enet_private { struct device *dev; /* pointer back to the device (must be initialized first) */ spinlock_t lock; /* during all ops except TX pckt processing */ spinlock_t tx_lock; /* during fs_start_xmit and fs_tx */ const struct fs_platform_info *fpi; const struct fs_ops *ops; int rx_ring, tx_ring; dma_addr_t ring_mem_addr; void *ring_base; struct sk_buff **rx_skbuff; struct sk_buff **tx_skbuff; cbd_t *rx_bd_base; /* Address of Rx and Tx buffers. */ cbd_t *tx_bd_base; cbd_t *dirty_tx; /* ring entries to be free()ed. */ cbd_t *cur_rx; cbd_t *cur_tx; int tx_free; struct net_device_stats stats; struct timer_list phy_timer_list; const struct phy_info *phy; u32 msg_enable; struct mii_if_info mii_if; unsigned int last_mii_status; struct fs_enet_mii_bus *mii_bus; int interrupt; struct phy_device *phydev; int oldduplex, oldspeed, oldlink; /* current settings */ /* event masks */ u32 ev_napi_rx; /* mask of NAPI rx events */ u32 ev_rx; /* rx event mask */ u32 ev_tx; /* tx event mask */ u32 ev_err; /* error event mask */ u16 bd_rx_empty; /* mask of BD rx empty */ u16 bd_rx_err; /* mask of BD rx errors */ union { struct { int idx; /* FEC1 = 0, FEC2 = 1 */ void *fecp; /* hw registers */ u32 hthi, htlo; /* state for multicast */ } fec; struct { int idx; /* FCC1-3 = 0-2 */ void *fccp; /* hw registers */ void *ep; /* parameter ram */ void *fcccp; /* hw registers cont. */ void *mem; /* FCC DPRAM */ u32 gaddrh, gaddrl; /* group address */ } fcc; struct { int idx; /* FEC1 = 0, FEC2 = 1 */ void *sccp; /* hw registers */ void *ep; /* parameter ram */ u32 hthi, htlo; /* state for multicast */ } scc; }; }; /***************************************************************************/ int fs_enet_mdio_bb_init(void); int fs_mii_fixed_init(struct fs_enet_mii_bus *bus); int fs_enet_mdio_fec_init(void); void fs_init_bds(struct net_device *dev); void fs_cleanup_bds(struct net_device *dev); /***************************************************************************/ #define DRV_MODULE_NAME "fs_enet" #define PFX DRV_MODULE_NAME ": " #define DRV_MODULE_VERSION "1.0" #define DRV_MODULE_RELDATE "Aug 8, 2005" /***************************************************************************/ int fs_enet_platform_init(void); void fs_enet_platform_cleanup(void); /***************************************************************************/ /* buffer descriptor access macros */ /* access macros */ #if defined(CONFIG_CPM1) /* for a a CPM1 __raw_xxx's are sufficient */ #define __cbd_out32(addr, x) __raw_writel(x, addr) #define __cbd_out16(addr, x) __raw_writew(x, addr) #define __cbd_in32(addr) __raw_readl(addr) #define __cbd_in16(addr) __raw_readw(addr) #else /* for others play it safe */ #define __cbd_out32(addr, x) out_be32(addr, x) #define __cbd_out16(addr, x) out_be16(addr, x) #define __cbd_in32(addr) in_be32(addr) #define __cbd_in16(addr) in_be16(addr) #endif /* write */ #define CBDW_SC(_cbd, _sc) __cbd_out16(&(_cbd)->cbd_sc, (_sc)) #define CBDW_DATLEN(_cbd, _datlen) __cbd_out16(&(_cbd)->cbd_datlen, (_datlen)) #define CBDW_BUFADDR(_cbd, _bufaddr) __cbd_out32(&(_cbd)->cbd_bufaddr, (_bufaddr)) /* read */ #define CBDR_SC(_cbd) __cbd_in16(&(_cbd)->cbd_sc) #define CBDR_DATLEN(_cbd) __cbd_in16(&(_cbd)->cbd_datlen) #define CBDR_BUFADDR(_cbd) __cbd_in32(&(_cbd)->cbd_bufaddr) /* set bits */ #define CBDS_SC(_cbd, _sc) CBDW_SC(_cbd, CBDR_SC(_cbd) | (_sc)) /* clear bits */ #define CBDC_SC(_cbd, _sc) CBDW_SC(_cbd, CBDR_SC(_cbd) & ~(_sc)) /*******************************************************************/ extern const struct fs_ops fs_fec_ops; extern const struct fs_ops fs_fcc_ops; extern const struct fs_ops fs_scc_ops; /*******************************************************************/ /* handy pointer to the immap */ extern void *fs_enet_immap; /*******************************************************************/ #endif