1 #ifndef FS_ENET_H 2 #define FS_ENET_H 3 4 #include <linux/mii.h> 5 #include <linux/netdevice.h> 6 #include <linux/types.h> 7 #include <linux/list.h> 8 #include <linux/phy.h> 9 #include <linux/dma-mapping.h> 10 11 #include <linux/fs_enet_pd.h> 12 #include <asm/fs_pd.h> 13 14 #ifdef CONFIG_CPM1 15 #include <asm/cpm1.h> 16 17 struct fec_info { 18 fec_t __iomem *fecp; 19 u32 mii_speed; 20 }; 21 #endif 22 23 #ifdef CONFIG_CPM2 24 #include <asm/cpm2.h> 25 #endif 26 27 /* hw driver ops */ 28 struct fs_ops { 29 int (*setup_data)(struct net_device *dev); 30 int (*allocate_bd)(struct net_device *dev); 31 void (*free_bd)(struct net_device *dev); 32 void (*cleanup_data)(struct net_device *dev); 33 void (*set_multicast_list)(struct net_device *dev); 34 void (*adjust_link)(struct net_device *dev); 35 void (*restart)(struct net_device *dev); 36 void (*stop)(struct net_device *dev); 37 void (*napi_clear_rx_event)(struct net_device *dev); 38 void (*napi_enable_rx)(struct net_device *dev); 39 void (*napi_disable_rx)(struct net_device *dev); 40 void (*rx_bd_done)(struct net_device *dev); 41 void (*tx_kickstart)(struct net_device *dev); 42 u32 (*get_int_events)(struct net_device *dev); 43 void (*clear_int_events)(struct net_device *dev, u32 int_events); 44 void (*ev_error)(struct net_device *dev, u32 int_events); 45 int (*get_regs)(struct net_device *dev, void *p, int *sizep); 46 int (*get_regs_len)(struct net_device *dev); 47 void (*tx_restart)(struct net_device *dev); 48 }; 49 50 struct phy_info { 51 unsigned int id; 52 const char *name; 53 void (*startup) (struct net_device * dev); 54 void (*shutdown) (struct net_device * dev); 55 void (*ack_int) (struct net_device * dev); 56 }; 57 58 /* The FEC stores dest/src/type, data, and checksum for receive packets. 59 */ 60 #define MAX_MTU 1508 /* Allow fullsized pppoe packets over VLAN */ 61 #define MIN_MTU 46 /* this is data size */ 62 #define CRC_LEN 4 63 64 #define PKT_MAXBUF_SIZE (MAX_MTU+ETH_HLEN+CRC_LEN) 65 #define PKT_MINBUF_SIZE (MIN_MTU+ETH_HLEN+CRC_LEN) 66 67 /* Must be a multiple of 32 (to cover both FEC & FCC) */ 68 #define PKT_MAXBLR_SIZE ((PKT_MAXBUF_SIZE + 31) & ~31) 69 /* This is needed so that invalidate_xxx wont invalidate too much */ 70 #define ENET_RX_ALIGN 16 71 #define ENET_RX_FRSIZE L1_CACHE_ALIGN(PKT_MAXBUF_SIZE + ENET_RX_ALIGN - 1) 72 73 struct fs_enet_private { 74 struct napi_struct napi; 75 struct device *dev; /* pointer back to the device (must be initialized first) */ 76 struct net_device *ndev; 77 spinlock_t lock; /* during all ops except TX pckt processing */ 78 spinlock_t tx_lock; /* during fs_start_xmit and fs_tx */ 79 struct fs_platform_info *fpi; 80 const struct fs_ops *ops; 81 int rx_ring, tx_ring; 82 dma_addr_t ring_mem_addr; 83 void __iomem *ring_base; 84 struct sk_buff **rx_skbuff; 85 struct sk_buff **tx_skbuff; 86 cbd_t __iomem *rx_bd_base; /* Address of Rx and Tx buffers. */ 87 cbd_t __iomem *tx_bd_base; 88 cbd_t __iomem *dirty_tx; /* ring entries to be free()ed. */ 89 cbd_t __iomem *cur_rx; 90 cbd_t __iomem *cur_tx; 91 int tx_free; 92 struct net_device_stats stats; 93 struct timer_list phy_timer_list; 94 const struct phy_info *phy; 95 u32 msg_enable; 96 struct mii_if_info mii_if; 97 unsigned int last_mii_status; 98 int interrupt; 99 100 struct phy_device *phydev; 101 int oldduplex, oldspeed, oldlink; /* current settings */ 102 103 /* event masks */ 104 u32 ev_napi_rx; /* mask of NAPI rx events */ 105 u32 ev_rx; /* rx event mask */ 106 u32 ev_tx; /* tx event mask */ 107 u32 ev_err; /* error event mask */ 108 109 u16 bd_rx_empty; /* mask of BD rx empty */ 110 u16 bd_rx_err; /* mask of BD rx errors */ 111 112 union { 113 struct { 114 int idx; /* FEC1 = 0, FEC2 = 1 */ 115 void __iomem *fecp; /* hw registers */ 116 u32 hthi, htlo; /* state for multicast */ 117 } fec; 118 119 struct { 120 int idx; /* FCC1-3 = 0-2 */ 121 void __iomem *fccp; /* hw registers */ 122 void __iomem *ep; /* parameter ram */ 123 void __iomem *fcccp; /* hw registers cont. */ 124 void __iomem *mem; /* FCC DPRAM */ 125 u32 gaddrh, gaddrl; /* group address */ 126 } fcc; 127 128 struct { 129 int idx; /* FEC1 = 0, FEC2 = 1 */ 130 void __iomem *sccp; /* hw registers */ 131 void __iomem *ep; /* parameter ram */ 132 u32 hthi, htlo; /* state for multicast */ 133 } scc; 134 135 }; 136 }; 137 138 /***************************************************************************/ 139 140 void fs_init_bds(struct net_device *dev); 141 void fs_cleanup_bds(struct net_device *dev); 142 143 /***************************************************************************/ 144 145 #define DRV_MODULE_NAME "fs_enet" 146 #define PFX DRV_MODULE_NAME ": " 147 #define DRV_MODULE_VERSION "1.0" 148 #define DRV_MODULE_RELDATE "Aug 8, 2005" 149 150 /***************************************************************************/ 151 152 int fs_enet_platform_init(void); 153 void fs_enet_platform_cleanup(void); 154 155 /***************************************************************************/ 156 /* buffer descriptor access macros */ 157 158 /* access macros */ 159 #if defined(CONFIG_CPM1) 160 /* for a a CPM1 __raw_xxx's are sufficient */ 161 #define __cbd_out32(addr, x) __raw_writel(x, addr) 162 #define __cbd_out16(addr, x) __raw_writew(x, addr) 163 #define __cbd_in32(addr) __raw_readl(addr) 164 #define __cbd_in16(addr) __raw_readw(addr) 165 #else 166 /* for others play it safe */ 167 #define __cbd_out32(addr, x) out_be32(addr, x) 168 #define __cbd_out16(addr, x) out_be16(addr, x) 169 #define __cbd_in32(addr) in_be32(addr) 170 #define __cbd_in16(addr) in_be16(addr) 171 #endif 172 173 /* write */ 174 #define CBDW_SC(_cbd, _sc) __cbd_out16(&(_cbd)->cbd_sc, (_sc)) 175 #define CBDW_DATLEN(_cbd, _datlen) __cbd_out16(&(_cbd)->cbd_datlen, (_datlen)) 176 #define CBDW_BUFADDR(_cbd, _bufaddr) __cbd_out32(&(_cbd)->cbd_bufaddr, (_bufaddr)) 177 178 /* read */ 179 #define CBDR_SC(_cbd) __cbd_in16(&(_cbd)->cbd_sc) 180 #define CBDR_DATLEN(_cbd) __cbd_in16(&(_cbd)->cbd_datlen) 181 #define CBDR_BUFADDR(_cbd) __cbd_in32(&(_cbd)->cbd_bufaddr) 182 183 /* set bits */ 184 #define CBDS_SC(_cbd, _sc) CBDW_SC(_cbd, CBDR_SC(_cbd) | (_sc)) 185 186 /* clear bits */ 187 #define CBDC_SC(_cbd, _sc) CBDW_SC(_cbd, CBDR_SC(_cbd) & ~(_sc)) 188 189 /*******************************************************************/ 190 191 extern const struct fs_ops fs_fec_ops; 192 extern const struct fs_ops fs_fcc_ops; 193 extern const struct fs_ops fs_scc_ops; 194 195 /*******************************************************************/ 196 197 /* handy pointer to the immap */ 198 extern void __iomem *fs_enet_immap; 199 200 /*******************************************************************/ 201 202 #endif 203