#ifndef FS_ENET_H
#define FS_ENET_H
#include <linux/mii.h>
#include <linux/netdevice.h>
#include <linux/types.h>
#include <linux/list.h>
#include <linux/fs_enet_pd.h>
#include <asm/dma-mapping.h>
#ifdef CONFIG_CPM1
#include <asm/commproc.h>
#endif
#ifdef CONFIG_CPM2
#include <asm/cpm2.h>
#endif
/* 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 (*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;
};
};
int fs_mii_bitbang_init(struct fs_enet_mii_bus *bus);
int fs_mii_fixed_init(struct fs_enet_mii_bus *bus);
int fs_mii_fec_init(struct fs_enet_mii_bus *bus);
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;
int duplex, speed; /* 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_mii_read(struct net_device *dev, int phy_id, int location);
void fs_mii_write(struct net_device *dev, int phy_id, int location, int value);
void fs_mii_startup(struct net_device *dev);
void fs_mii_shutdown(struct net_device *dev);
void fs_mii_ack_int(struct net_device *dev);
void fs_mii_link_status_change_check(struct net_device *dev, int init_media);
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
