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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 | #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 |