1 /* 2 * Atmel MACB Ethernet Controller driver 3 * 4 * Copyright (C) 2004-2006 Atmel Corporation 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License version 2 as 8 * published by the Free Software Foundation. 9 */ 10 #ifndef _MACB_H 11 #define _MACB_H 12 13 #define MACB_GREGS_NBR 16 14 #define MACB_GREGS_VERSION 1 15 16 /* MACB register offsets */ 17 #define MACB_NCR 0x0000 18 #define MACB_NCFGR 0x0004 19 #define MACB_NSR 0x0008 20 #define MACB_TAR 0x000c /* AT91RM9200 only */ 21 #define MACB_TCR 0x0010 /* AT91RM9200 only */ 22 #define MACB_TSR 0x0014 23 #define MACB_RBQP 0x0018 24 #define MACB_TBQP 0x001c 25 #define MACB_RSR 0x0020 26 #define MACB_ISR 0x0024 27 #define MACB_IER 0x0028 28 #define MACB_IDR 0x002c 29 #define MACB_IMR 0x0030 30 #define MACB_MAN 0x0034 31 #define MACB_PTR 0x0038 32 #define MACB_PFR 0x003c 33 #define MACB_FTO 0x0040 34 #define MACB_SCF 0x0044 35 #define MACB_MCF 0x0048 36 #define MACB_FRO 0x004c 37 #define MACB_FCSE 0x0050 38 #define MACB_ALE 0x0054 39 #define MACB_DTF 0x0058 40 #define MACB_LCOL 0x005c 41 #define MACB_EXCOL 0x0060 42 #define MACB_TUND 0x0064 43 #define MACB_CSE 0x0068 44 #define MACB_RRE 0x006c 45 #define MACB_ROVR 0x0070 46 #define MACB_RSE 0x0074 47 #define MACB_ELE 0x0078 48 #define MACB_RJA 0x007c 49 #define MACB_USF 0x0080 50 #define MACB_STE 0x0084 51 #define MACB_RLE 0x0088 52 #define MACB_TPF 0x008c 53 #define MACB_HRB 0x0090 54 #define MACB_HRT 0x0094 55 #define MACB_SA1B 0x0098 56 #define MACB_SA1T 0x009c 57 #define MACB_SA2B 0x00a0 58 #define MACB_SA2T 0x00a4 59 #define MACB_SA3B 0x00a8 60 #define MACB_SA3T 0x00ac 61 #define MACB_SA4B 0x00b0 62 #define MACB_SA4T 0x00b4 63 #define MACB_TID 0x00b8 64 #define MACB_TPQ 0x00bc 65 #define MACB_USRIO 0x00c0 66 #define MACB_WOL 0x00c4 67 #define MACB_MID 0x00fc 68 69 /* GEM register offsets. */ 70 #define GEM_NCFGR 0x0004 71 #define GEM_USRIO 0x000c 72 #define GEM_DMACFG 0x0010 73 #define GEM_HRB 0x0080 74 #define GEM_HRT 0x0084 75 #define GEM_SA1B 0x0088 76 #define GEM_SA1T 0x008C 77 #define GEM_SA2B 0x0090 78 #define GEM_SA2T 0x0094 79 #define GEM_SA3B 0x0098 80 #define GEM_SA3T 0x009C 81 #define GEM_SA4B 0x00A0 82 #define GEM_SA4T 0x00A4 83 #define GEM_OTX 0x0100 84 #define GEM_DCFG1 0x0280 85 #define GEM_DCFG2 0x0284 86 #define GEM_DCFG3 0x0288 87 #define GEM_DCFG4 0x028c 88 #define GEM_DCFG5 0x0290 89 #define GEM_DCFG6 0x0294 90 #define GEM_DCFG7 0x0298 91 92 /* Bitfields in NCR */ 93 #define MACB_LB_OFFSET 0 94 #define MACB_LB_SIZE 1 95 #define MACB_LLB_OFFSET 1 96 #define MACB_LLB_SIZE 1 97 #define MACB_RE_OFFSET 2 98 #define MACB_RE_SIZE 1 99 #define MACB_TE_OFFSET 3 100 #define MACB_TE_SIZE 1 101 #define MACB_MPE_OFFSET 4 102 #define MACB_MPE_SIZE 1 103 #define MACB_CLRSTAT_OFFSET 5 104 #define MACB_CLRSTAT_SIZE 1 105 #define MACB_INCSTAT_OFFSET 6 106 #define MACB_INCSTAT_SIZE 1 107 #define MACB_WESTAT_OFFSET 7 108 #define MACB_WESTAT_SIZE 1 109 #define MACB_BP_OFFSET 8 110 #define MACB_BP_SIZE 1 111 #define MACB_TSTART_OFFSET 9 112 #define MACB_TSTART_SIZE 1 113 #define MACB_THALT_OFFSET 10 114 #define MACB_THALT_SIZE 1 115 #define MACB_NCR_TPF_OFFSET 11 116 #define MACB_NCR_TPF_SIZE 1 117 #define MACB_TZQ_OFFSET 12 118 #define MACB_TZQ_SIZE 1 119 120 /* Bitfields in NCFGR */ 121 #define MACB_SPD_OFFSET 0 122 #define MACB_SPD_SIZE 1 123 #define MACB_FD_OFFSET 1 124 #define MACB_FD_SIZE 1 125 #define MACB_BIT_RATE_OFFSET 2 126 #define MACB_BIT_RATE_SIZE 1 127 #define MACB_JFRAME_OFFSET 3 128 #define MACB_JFRAME_SIZE 1 129 #define MACB_CAF_OFFSET 4 130 #define MACB_CAF_SIZE 1 131 #define MACB_NBC_OFFSET 5 132 #define MACB_NBC_SIZE 1 133 #define MACB_NCFGR_MTI_OFFSET 6 134 #define MACB_NCFGR_MTI_SIZE 1 135 #define MACB_UNI_OFFSET 7 136 #define MACB_UNI_SIZE 1 137 #define MACB_BIG_OFFSET 8 138 #define MACB_BIG_SIZE 1 139 #define MACB_EAE_OFFSET 9 140 #define MACB_EAE_SIZE 1 141 #define MACB_CLK_OFFSET 10 142 #define MACB_CLK_SIZE 2 143 #define MACB_RTY_OFFSET 12 144 #define MACB_RTY_SIZE 1 145 #define MACB_PAE_OFFSET 13 146 #define MACB_PAE_SIZE 1 147 #define MACB_RM9200_RMII_OFFSET 13 /* AT91RM9200 only */ 148 #define MACB_RM9200_RMII_SIZE 1 /* AT91RM9200 only */ 149 #define MACB_RBOF_OFFSET 14 150 #define MACB_RBOF_SIZE 2 151 #define MACB_RLCE_OFFSET 16 152 #define MACB_RLCE_SIZE 1 153 #define MACB_DRFCS_OFFSET 17 154 #define MACB_DRFCS_SIZE 1 155 #define MACB_EFRHD_OFFSET 18 156 #define MACB_EFRHD_SIZE 1 157 #define MACB_IRXFCS_OFFSET 19 158 #define MACB_IRXFCS_SIZE 1 159 160 /* GEM specific NCFGR bitfields. */ 161 #define GEM_GBE_OFFSET 10 162 #define GEM_GBE_SIZE 1 163 #define GEM_CLK_OFFSET 18 164 #define GEM_CLK_SIZE 3 165 #define GEM_DBW_OFFSET 21 166 #define GEM_DBW_SIZE 2 167 168 /* Constants for data bus width. */ 169 #define GEM_DBW32 0 170 #define GEM_DBW64 1 171 #define GEM_DBW128 2 172 173 /* Bitfields in DMACFG. */ 174 #define GEM_FBLDO_OFFSET 0 175 #define GEM_FBLDO_SIZE 5 176 #define GEM_RXBMS_OFFSET 8 177 #define GEM_RXBMS_SIZE 2 178 #define GEM_TXPBMS_OFFSET 10 179 #define GEM_TXPBMS_SIZE 1 180 #define GEM_TXCOEN_OFFSET 11 181 #define GEM_TXCOEN_SIZE 1 182 #define GEM_RXBS_OFFSET 16 183 #define GEM_RXBS_SIZE 8 184 #define GEM_DDRP_OFFSET 24 185 #define GEM_DDRP_SIZE 1 186 187 188 /* Bitfields in NSR */ 189 #define MACB_NSR_LINK_OFFSET 0 190 #define MACB_NSR_LINK_SIZE 1 191 #define MACB_MDIO_OFFSET 1 192 #define MACB_MDIO_SIZE 1 193 #define MACB_IDLE_OFFSET 2 194 #define MACB_IDLE_SIZE 1 195 196 /* Bitfields in TSR */ 197 #define MACB_UBR_OFFSET 0 198 #define MACB_UBR_SIZE 1 199 #define MACB_COL_OFFSET 1 200 #define MACB_COL_SIZE 1 201 #define MACB_TSR_RLE_OFFSET 2 202 #define MACB_TSR_RLE_SIZE 1 203 #define MACB_TGO_OFFSET 3 204 #define MACB_TGO_SIZE 1 205 #define MACB_BEX_OFFSET 4 206 #define MACB_BEX_SIZE 1 207 #define MACB_RM9200_BNQ_OFFSET 4 /* AT91RM9200 only */ 208 #define MACB_RM9200_BNQ_SIZE 1 /* AT91RM9200 only */ 209 #define MACB_COMP_OFFSET 5 210 #define MACB_COMP_SIZE 1 211 #define MACB_UND_OFFSET 6 212 #define MACB_UND_SIZE 1 213 214 /* Bitfields in RSR */ 215 #define MACB_BNA_OFFSET 0 216 #define MACB_BNA_SIZE 1 217 #define MACB_REC_OFFSET 1 218 #define MACB_REC_SIZE 1 219 #define MACB_OVR_OFFSET 2 220 #define MACB_OVR_SIZE 1 221 222 /* Bitfields in ISR/IER/IDR/IMR */ 223 #define MACB_MFD_OFFSET 0 224 #define MACB_MFD_SIZE 1 225 #define MACB_RCOMP_OFFSET 1 226 #define MACB_RCOMP_SIZE 1 227 #define MACB_RXUBR_OFFSET 2 228 #define MACB_RXUBR_SIZE 1 229 #define MACB_TXUBR_OFFSET 3 230 #define MACB_TXUBR_SIZE 1 231 #define MACB_ISR_TUND_OFFSET 4 232 #define MACB_ISR_TUND_SIZE 1 233 #define MACB_ISR_RLE_OFFSET 5 234 #define MACB_ISR_RLE_SIZE 1 235 #define MACB_TXERR_OFFSET 6 236 #define MACB_TXERR_SIZE 1 237 #define MACB_TCOMP_OFFSET 7 238 #define MACB_TCOMP_SIZE 1 239 #define MACB_ISR_LINK_OFFSET 9 240 #define MACB_ISR_LINK_SIZE 1 241 #define MACB_ISR_ROVR_OFFSET 10 242 #define MACB_ISR_ROVR_SIZE 1 243 #define MACB_HRESP_OFFSET 11 244 #define MACB_HRESP_SIZE 1 245 #define MACB_PFR_OFFSET 12 246 #define MACB_PFR_SIZE 1 247 #define MACB_PTZ_OFFSET 13 248 #define MACB_PTZ_SIZE 1 249 250 /* Bitfields in MAN */ 251 #define MACB_DATA_OFFSET 0 252 #define MACB_DATA_SIZE 16 253 #define MACB_CODE_OFFSET 16 254 #define MACB_CODE_SIZE 2 255 #define MACB_REGA_OFFSET 18 256 #define MACB_REGA_SIZE 5 257 #define MACB_PHYA_OFFSET 23 258 #define MACB_PHYA_SIZE 5 259 #define MACB_RW_OFFSET 28 260 #define MACB_RW_SIZE 2 261 #define MACB_SOF_OFFSET 30 262 #define MACB_SOF_SIZE 2 263 264 /* Bitfields in USRIO (AVR32) */ 265 #define MACB_MII_OFFSET 0 266 #define MACB_MII_SIZE 1 267 #define MACB_EAM_OFFSET 1 268 #define MACB_EAM_SIZE 1 269 #define MACB_TX_PAUSE_OFFSET 2 270 #define MACB_TX_PAUSE_SIZE 1 271 #define MACB_TX_PAUSE_ZERO_OFFSET 3 272 #define MACB_TX_PAUSE_ZERO_SIZE 1 273 274 /* Bitfields in USRIO (AT91) */ 275 #define MACB_RMII_OFFSET 0 276 #define MACB_RMII_SIZE 1 277 #define GEM_RGMII_OFFSET 0 /* GEM gigabit mode */ 278 #define GEM_RGMII_SIZE 1 279 #define MACB_CLKEN_OFFSET 1 280 #define MACB_CLKEN_SIZE 1 281 282 /* Bitfields in WOL */ 283 #define MACB_IP_OFFSET 0 284 #define MACB_IP_SIZE 16 285 #define MACB_MAG_OFFSET 16 286 #define MACB_MAG_SIZE 1 287 #define MACB_ARP_OFFSET 17 288 #define MACB_ARP_SIZE 1 289 #define MACB_SA1_OFFSET 18 290 #define MACB_SA1_SIZE 1 291 #define MACB_WOL_MTI_OFFSET 19 292 #define MACB_WOL_MTI_SIZE 1 293 294 /* Bitfields in MID */ 295 #define MACB_IDNUM_OFFSET 16 296 #define MACB_IDNUM_SIZE 16 297 #define MACB_REV_OFFSET 0 298 #define MACB_REV_SIZE 16 299 300 /* Bitfields in DCFG1. */ 301 #define GEM_DBWDEF_OFFSET 25 302 #define GEM_DBWDEF_SIZE 3 303 304 /* Constants for CLK */ 305 #define MACB_CLK_DIV8 0 306 #define MACB_CLK_DIV16 1 307 #define MACB_CLK_DIV32 2 308 #define MACB_CLK_DIV64 3 309 310 /* GEM specific constants for CLK. */ 311 #define GEM_CLK_DIV8 0 312 #define GEM_CLK_DIV16 1 313 #define GEM_CLK_DIV32 2 314 #define GEM_CLK_DIV48 3 315 #define GEM_CLK_DIV64 4 316 #define GEM_CLK_DIV96 5 317 318 /* Constants for MAN register */ 319 #define MACB_MAN_SOF 1 320 #define MACB_MAN_WRITE 1 321 #define MACB_MAN_READ 2 322 #define MACB_MAN_CODE 2 323 324 /* Bit manipulation macros */ 325 #define MACB_BIT(name) \ 326 (1 << MACB_##name##_OFFSET) 327 #define MACB_BF(name,value) \ 328 (((value) & ((1 << MACB_##name##_SIZE) - 1)) \ 329 << MACB_##name##_OFFSET) 330 #define MACB_BFEXT(name,value)\ 331 (((value) >> MACB_##name##_OFFSET) \ 332 & ((1 << MACB_##name##_SIZE) - 1)) 333 #define MACB_BFINS(name,value,old) \ 334 (((old) & ~(((1 << MACB_##name##_SIZE) - 1) \ 335 << MACB_##name##_OFFSET)) \ 336 | MACB_BF(name,value)) 337 338 #define GEM_BIT(name) \ 339 (1 << GEM_##name##_OFFSET) 340 #define GEM_BF(name, value) \ 341 (((value) & ((1 << GEM_##name##_SIZE) - 1)) \ 342 << GEM_##name##_OFFSET) 343 #define GEM_BFEXT(name, value)\ 344 (((value) >> GEM_##name##_OFFSET) \ 345 & ((1 << GEM_##name##_SIZE) - 1)) 346 #define GEM_BFINS(name, value, old) \ 347 (((old) & ~(((1 << GEM_##name##_SIZE) - 1) \ 348 << GEM_##name##_OFFSET)) \ 349 | GEM_BF(name, value)) 350 351 /* Register access macros */ 352 #define macb_readl(port,reg) \ 353 __raw_readl((port)->regs + MACB_##reg) 354 #define macb_writel(port,reg,value) \ 355 __raw_writel((value), (port)->regs + MACB_##reg) 356 #define gem_readl(port, reg) \ 357 __raw_readl((port)->regs + GEM_##reg) 358 #define gem_writel(port, reg, value) \ 359 __raw_writel((value), (port)->regs + GEM_##reg) 360 361 /* 362 * Conditional GEM/MACB macros. These perform the operation to the correct 363 * register dependent on whether the device is a GEM or a MACB. For registers 364 * and bitfields that are common across both devices, use macb_{read,write}l 365 * to avoid the cost of the conditional. 366 */ 367 #define macb_or_gem_writel(__bp, __reg, __value) \ 368 ({ \ 369 if (macb_is_gem((__bp))) \ 370 gem_writel((__bp), __reg, __value); \ 371 else \ 372 macb_writel((__bp), __reg, __value); \ 373 }) 374 375 #define macb_or_gem_readl(__bp, __reg) \ 376 ({ \ 377 u32 __v; \ 378 if (macb_is_gem((__bp))) \ 379 __v = gem_readl((__bp), __reg); \ 380 else \ 381 __v = macb_readl((__bp), __reg); \ 382 __v; \ 383 }) 384 385 /** 386 * struct macb_dma_desc - Hardware DMA descriptor 387 * @addr: DMA address of data buffer 388 * @ctrl: Control and status bits 389 */ 390 struct macb_dma_desc { 391 u32 addr; 392 u32 ctrl; 393 }; 394 395 /* DMA descriptor bitfields */ 396 #define MACB_RX_USED_OFFSET 0 397 #define MACB_RX_USED_SIZE 1 398 #define MACB_RX_WRAP_OFFSET 1 399 #define MACB_RX_WRAP_SIZE 1 400 #define MACB_RX_WADDR_OFFSET 2 401 #define MACB_RX_WADDR_SIZE 30 402 403 #define MACB_RX_FRMLEN_OFFSET 0 404 #define MACB_RX_FRMLEN_SIZE 12 405 #define MACB_RX_OFFSET_OFFSET 12 406 #define MACB_RX_OFFSET_SIZE 2 407 #define MACB_RX_SOF_OFFSET 14 408 #define MACB_RX_SOF_SIZE 1 409 #define MACB_RX_EOF_OFFSET 15 410 #define MACB_RX_EOF_SIZE 1 411 #define MACB_RX_CFI_OFFSET 16 412 #define MACB_RX_CFI_SIZE 1 413 #define MACB_RX_VLAN_PRI_OFFSET 17 414 #define MACB_RX_VLAN_PRI_SIZE 3 415 #define MACB_RX_PRI_TAG_OFFSET 20 416 #define MACB_RX_PRI_TAG_SIZE 1 417 #define MACB_RX_VLAN_TAG_OFFSET 21 418 #define MACB_RX_VLAN_TAG_SIZE 1 419 #define MACB_RX_TYPEID_MATCH_OFFSET 22 420 #define MACB_RX_TYPEID_MATCH_SIZE 1 421 #define MACB_RX_SA4_MATCH_OFFSET 23 422 #define MACB_RX_SA4_MATCH_SIZE 1 423 #define MACB_RX_SA3_MATCH_OFFSET 24 424 #define MACB_RX_SA3_MATCH_SIZE 1 425 #define MACB_RX_SA2_MATCH_OFFSET 25 426 #define MACB_RX_SA2_MATCH_SIZE 1 427 #define MACB_RX_SA1_MATCH_OFFSET 26 428 #define MACB_RX_SA1_MATCH_SIZE 1 429 #define MACB_RX_EXT_MATCH_OFFSET 28 430 #define MACB_RX_EXT_MATCH_SIZE 1 431 #define MACB_RX_UHASH_MATCH_OFFSET 29 432 #define MACB_RX_UHASH_MATCH_SIZE 1 433 #define MACB_RX_MHASH_MATCH_OFFSET 30 434 #define MACB_RX_MHASH_MATCH_SIZE 1 435 #define MACB_RX_BROADCAST_OFFSET 31 436 #define MACB_RX_BROADCAST_SIZE 1 437 438 #define MACB_TX_FRMLEN_OFFSET 0 439 #define MACB_TX_FRMLEN_SIZE 11 440 #define MACB_TX_LAST_OFFSET 15 441 #define MACB_TX_LAST_SIZE 1 442 #define MACB_TX_NOCRC_OFFSET 16 443 #define MACB_TX_NOCRC_SIZE 1 444 #define MACB_TX_BUF_EXHAUSTED_OFFSET 27 445 #define MACB_TX_BUF_EXHAUSTED_SIZE 1 446 #define MACB_TX_UNDERRUN_OFFSET 28 447 #define MACB_TX_UNDERRUN_SIZE 1 448 #define MACB_TX_ERROR_OFFSET 29 449 #define MACB_TX_ERROR_SIZE 1 450 #define MACB_TX_WRAP_OFFSET 30 451 #define MACB_TX_WRAP_SIZE 1 452 #define MACB_TX_USED_OFFSET 31 453 #define MACB_TX_USED_SIZE 1 454 455 /** 456 * struct macb_tx_skb - data about an skb which is being transmitted 457 * @skb: skb currently being transmitted 458 * @mapping: DMA address of the skb's data buffer 459 */ 460 struct macb_tx_skb { 461 struct sk_buff *skb; 462 dma_addr_t mapping; 463 }; 464 465 /* 466 * Hardware-collected statistics. Used when updating the network 467 * device stats by a periodic timer. 468 */ 469 struct macb_stats { 470 u32 rx_pause_frames; 471 u32 tx_ok; 472 u32 tx_single_cols; 473 u32 tx_multiple_cols; 474 u32 rx_ok; 475 u32 rx_fcs_errors; 476 u32 rx_align_errors; 477 u32 tx_deferred; 478 u32 tx_late_cols; 479 u32 tx_excessive_cols; 480 u32 tx_underruns; 481 u32 tx_carrier_errors; 482 u32 rx_resource_errors; 483 u32 rx_overruns; 484 u32 rx_symbol_errors; 485 u32 rx_oversize_pkts; 486 u32 rx_jabbers; 487 u32 rx_undersize_pkts; 488 u32 sqe_test_errors; 489 u32 rx_length_mismatch; 490 u32 tx_pause_frames; 491 }; 492 493 struct gem_stats { 494 u32 tx_octets_31_0; 495 u32 tx_octets_47_32; 496 u32 tx_frames; 497 u32 tx_broadcast_frames; 498 u32 tx_multicast_frames; 499 u32 tx_pause_frames; 500 u32 tx_64_byte_frames; 501 u32 tx_65_127_byte_frames; 502 u32 tx_128_255_byte_frames; 503 u32 tx_256_511_byte_frames; 504 u32 tx_512_1023_byte_frames; 505 u32 tx_1024_1518_byte_frames; 506 u32 tx_greater_than_1518_byte_frames; 507 u32 tx_underrun; 508 u32 tx_single_collision_frames; 509 u32 tx_multiple_collision_frames; 510 u32 tx_excessive_collisions; 511 u32 tx_late_collisions; 512 u32 tx_deferred_frames; 513 u32 tx_carrier_sense_errors; 514 u32 rx_octets_31_0; 515 u32 rx_octets_47_32; 516 u32 rx_frames; 517 u32 rx_broadcast_frames; 518 u32 rx_multicast_frames; 519 u32 rx_pause_frames; 520 u32 rx_64_byte_frames; 521 u32 rx_65_127_byte_frames; 522 u32 rx_128_255_byte_frames; 523 u32 rx_256_511_byte_frames; 524 u32 rx_512_1023_byte_frames; 525 u32 rx_1024_1518_byte_frames; 526 u32 rx_greater_than_1518_byte_frames; 527 u32 rx_undersized_frames; 528 u32 rx_oversize_frames; 529 u32 rx_jabbers; 530 u32 rx_frame_check_sequence_errors; 531 u32 rx_length_field_frame_errors; 532 u32 rx_symbol_errors; 533 u32 rx_alignment_errors; 534 u32 rx_resource_errors; 535 u32 rx_overruns; 536 u32 rx_ip_header_checksum_errors; 537 u32 rx_tcp_checksum_errors; 538 u32 rx_udp_checksum_errors; 539 }; 540 541 struct macb { 542 void __iomem *regs; 543 544 unsigned int rx_tail; 545 struct macb_dma_desc *rx_ring; 546 void *rx_buffers; 547 548 unsigned int tx_head, tx_tail; 549 struct macb_dma_desc *tx_ring; 550 struct macb_tx_skb *tx_skb; 551 552 spinlock_t lock; 553 struct platform_device *pdev; 554 struct clk *pclk; 555 struct clk *hclk; 556 struct net_device *dev; 557 struct napi_struct napi; 558 struct work_struct tx_error_task; 559 struct net_device_stats stats; 560 union { 561 struct macb_stats macb; 562 struct gem_stats gem; 563 } hw_stats; 564 565 dma_addr_t rx_ring_dma; 566 dma_addr_t tx_ring_dma; 567 dma_addr_t rx_buffers_dma; 568 569 struct mii_bus *mii_bus; 570 struct phy_device *phy_dev; 571 unsigned int link; 572 unsigned int speed; 573 unsigned int duplex; 574 575 phy_interface_t phy_interface; 576 577 /* AT91RM9200 transmit */ 578 struct sk_buff *skb; /* holds skb until xmit interrupt completes */ 579 dma_addr_t skb_physaddr; /* phys addr from pci_map_single */ 580 int skb_length; /* saved skb length for pci_unmap_single */ 581 }; 582 583 extern const struct ethtool_ops macb_ethtool_ops; 584 585 int macb_mii_init(struct macb *bp); 586 int macb_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); 587 struct net_device_stats *macb_get_stats(struct net_device *dev); 588 void macb_set_rx_mode(struct net_device *dev); 589 void macb_set_hwaddr(struct macb *bp); 590 void macb_get_hwaddr(struct macb *bp); 591 592 static inline bool macb_is_gem(struct macb *bp) 593 { 594 return MACB_BFEXT(IDNUM, macb_readl(bp, MID)) == 0x2; 595 } 596 597 #endif /* _MACB_H */ 598