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  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_ENDIA_OFFSET			7
177#define GEM_ENDIA_SIZE				1
178#define GEM_RXBMS_OFFSET			8
179#define GEM_RXBMS_SIZE				2
180#define GEM_TXPBMS_OFFSET			10
181#define GEM_TXPBMS_SIZE				1
182#define GEM_TXCOEN_OFFSET			11
183#define GEM_TXCOEN_SIZE				1
184#define GEM_RXBS_OFFSET				16
185#define GEM_RXBS_SIZE				8
186#define GEM_DDRP_OFFSET				24
187#define GEM_DDRP_SIZE				1
188
189
190/* Bitfields in NSR */
191#define MACB_NSR_LINK_OFFSET			0
192#define MACB_NSR_LINK_SIZE			1
193#define MACB_MDIO_OFFSET			1
194#define MACB_MDIO_SIZE				1
195#define MACB_IDLE_OFFSET			2
196#define MACB_IDLE_SIZE				1
197
198/* Bitfields in TSR */
199#define MACB_UBR_OFFSET				0
200#define MACB_UBR_SIZE				1
201#define MACB_COL_OFFSET				1
202#define MACB_COL_SIZE				1
203#define MACB_TSR_RLE_OFFSET			2
204#define MACB_TSR_RLE_SIZE			1
205#define MACB_TGO_OFFSET				3
206#define MACB_TGO_SIZE				1
207#define MACB_BEX_OFFSET				4
208#define MACB_BEX_SIZE				1
209#define MACB_RM9200_BNQ_OFFSET			4 /* AT91RM9200 only */
210#define MACB_RM9200_BNQ_SIZE			1 /* AT91RM9200 only */
211#define MACB_COMP_OFFSET			5
212#define MACB_COMP_SIZE				1
213#define MACB_UND_OFFSET				6
214#define MACB_UND_SIZE				1
215
216/* Bitfields in RSR */
217#define MACB_BNA_OFFSET				0
218#define MACB_BNA_SIZE				1
219#define MACB_REC_OFFSET				1
220#define MACB_REC_SIZE				1
221#define MACB_OVR_OFFSET				2
222#define MACB_OVR_SIZE				1
223
224/* Bitfields in ISR/IER/IDR/IMR */
225#define MACB_MFD_OFFSET				0
226#define MACB_MFD_SIZE				1
227#define MACB_RCOMP_OFFSET			1
228#define MACB_RCOMP_SIZE				1
229#define MACB_RXUBR_OFFSET			2
230#define MACB_RXUBR_SIZE				1
231#define MACB_TXUBR_OFFSET			3
232#define MACB_TXUBR_SIZE				1
233#define MACB_ISR_TUND_OFFSET			4
234#define MACB_ISR_TUND_SIZE			1
235#define MACB_ISR_RLE_OFFSET			5
236#define MACB_ISR_RLE_SIZE			1
237#define MACB_TXERR_OFFSET			6
238#define MACB_TXERR_SIZE				1
239#define MACB_TCOMP_OFFSET			7
240#define MACB_TCOMP_SIZE				1
241#define MACB_ISR_LINK_OFFSET			9
242#define MACB_ISR_LINK_SIZE			1
243#define MACB_ISR_ROVR_OFFSET			10
244#define MACB_ISR_ROVR_SIZE			1
245#define MACB_HRESP_OFFSET			11
246#define MACB_HRESP_SIZE				1
247#define MACB_PFR_OFFSET				12
248#define MACB_PFR_SIZE				1
249#define MACB_PTZ_OFFSET				13
250#define MACB_PTZ_SIZE				1
251
252/* Bitfields in MAN */
253#define MACB_DATA_OFFSET			0
254#define MACB_DATA_SIZE				16
255#define MACB_CODE_OFFSET			16
256#define MACB_CODE_SIZE				2
257#define MACB_REGA_OFFSET			18
258#define MACB_REGA_SIZE				5
259#define MACB_PHYA_OFFSET			23
260#define MACB_PHYA_SIZE				5
261#define MACB_RW_OFFSET				28
262#define MACB_RW_SIZE				2
263#define MACB_SOF_OFFSET				30
264#define MACB_SOF_SIZE				2
265
266/* Bitfields in USRIO (AVR32) */
267#define MACB_MII_OFFSET				0
268#define MACB_MII_SIZE				1
269#define MACB_EAM_OFFSET				1
270#define MACB_EAM_SIZE				1
271#define MACB_TX_PAUSE_OFFSET			2
272#define MACB_TX_PAUSE_SIZE			1
273#define MACB_TX_PAUSE_ZERO_OFFSET		3
274#define MACB_TX_PAUSE_ZERO_SIZE			1
275
276/* Bitfields in USRIO (AT91) */
277#define MACB_RMII_OFFSET			0
278#define MACB_RMII_SIZE				1
279#define GEM_RGMII_OFFSET			0	/* GEM gigabit mode */
280#define GEM_RGMII_SIZE				1
281#define MACB_CLKEN_OFFSET			1
282#define MACB_CLKEN_SIZE				1
283
284/* Bitfields in WOL */
285#define MACB_IP_OFFSET				0
286#define MACB_IP_SIZE				16
287#define MACB_MAG_OFFSET				16
288#define MACB_MAG_SIZE				1
289#define MACB_ARP_OFFSET				17
290#define MACB_ARP_SIZE				1
291#define MACB_SA1_OFFSET				18
292#define MACB_SA1_SIZE				1
293#define MACB_WOL_MTI_OFFSET			19
294#define MACB_WOL_MTI_SIZE			1
295
296/* Bitfields in MID */
297#define MACB_IDNUM_OFFSET			16
298#define MACB_IDNUM_SIZE				16
299#define MACB_REV_OFFSET				0
300#define MACB_REV_SIZE				16
301
302/* Bitfields in DCFG1. */
303#define GEM_IRQCOR_OFFSET			23
304#define GEM_IRQCOR_SIZE				1
305#define GEM_DBWDEF_OFFSET			25
306#define GEM_DBWDEF_SIZE				3
307
308/* Constants for CLK */
309#define MACB_CLK_DIV8				0
310#define MACB_CLK_DIV16				1
311#define MACB_CLK_DIV32				2
312#define MACB_CLK_DIV64				3
313
314/* GEM specific constants for CLK. */
315#define GEM_CLK_DIV8				0
316#define GEM_CLK_DIV16				1
317#define GEM_CLK_DIV32				2
318#define GEM_CLK_DIV48				3
319#define GEM_CLK_DIV64				4
320#define GEM_CLK_DIV96				5
321
322/* Constants for MAN register */
323#define MACB_MAN_SOF				1
324#define MACB_MAN_WRITE				1
325#define MACB_MAN_READ				2
326#define MACB_MAN_CODE				2
327
328/* Capability mask bits */
329#define MACB_CAPS_ISR_CLEAR_ON_WRITE		0x1
330
331/* Bit manipulation macros */
332#define MACB_BIT(name)					\
333	(1 << MACB_##name##_OFFSET)
334#define MACB_BF(name,value)				\
335	(((value) & ((1 << MACB_##name##_SIZE) - 1))	\
336	 << MACB_##name##_OFFSET)
337#define MACB_BFEXT(name,value)\
338	(((value) >> MACB_##name##_OFFSET)		\
339	 & ((1 << MACB_##name##_SIZE) - 1))
340#define MACB_BFINS(name,value,old)			\
341	(((old) & ~(((1 << MACB_##name##_SIZE) - 1)	\
342		    << MACB_##name##_OFFSET))		\
343	 | MACB_BF(name,value))
344
345#define GEM_BIT(name)					\
346	(1 << GEM_##name##_OFFSET)
347#define GEM_BF(name, value)				\
348	(((value) & ((1 << GEM_##name##_SIZE) - 1))	\
349	 << GEM_##name##_OFFSET)
350#define GEM_BFEXT(name, value)\
351	(((value) >> GEM_##name##_OFFSET)		\
352	 & ((1 << GEM_##name##_SIZE) - 1))
353#define GEM_BFINS(name, value, old)			\
354	(((old) & ~(((1 << GEM_##name##_SIZE) - 1)	\
355		    << GEM_##name##_OFFSET))		\
356	 | GEM_BF(name, value))
357
358/* Register access macros */
359#define macb_readl(port,reg)				\
360	__raw_readl((port)->regs + MACB_##reg)
361#define macb_writel(port,reg,value)			\
362	__raw_writel((value), (port)->regs + MACB_##reg)
363#define gem_readl(port, reg)				\
364	__raw_readl((port)->regs + GEM_##reg)
365#define gem_writel(port, reg, value)			\
366	__raw_writel((value), (port)->regs + GEM_##reg)
367
368/*
369 * Conditional GEM/MACB macros.  These perform the operation to the correct
370 * register dependent on whether the device is a GEM or a MACB.  For registers
371 * and bitfields that are common across both devices, use macb_{read,write}l
372 * to avoid the cost of the conditional.
373 */
374#define macb_or_gem_writel(__bp, __reg, __value) \
375	({ \
376		if (macb_is_gem((__bp))) \
377			gem_writel((__bp), __reg, __value); \
378		else \
379			macb_writel((__bp), __reg, __value); \
380	})
381
382#define macb_or_gem_readl(__bp, __reg) \
383	({ \
384		u32 __v; \
385		if (macb_is_gem((__bp))) \
386			__v = gem_readl((__bp), __reg); \
387		else \
388			__v = macb_readl((__bp), __reg); \
389		__v; \
390	})
391
392/**
393 * struct macb_dma_desc - Hardware DMA descriptor
394 * @addr: DMA address of data buffer
395 * @ctrl: Control and status bits
396 */
397struct macb_dma_desc {
398	u32	addr;
399	u32	ctrl;
400};
401
402/* DMA descriptor bitfields */
403#define MACB_RX_USED_OFFSET			0
404#define MACB_RX_USED_SIZE			1
405#define MACB_RX_WRAP_OFFSET			1
406#define MACB_RX_WRAP_SIZE			1
407#define MACB_RX_WADDR_OFFSET			2
408#define MACB_RX_WADDR_SIZE			30
409
410#define MACB_RX_FRMLEN_OFFSET			0
411#define MACB_RX_FRMLEN_SIZE			12
412#define MACB_RX_OFFSET_OFFSET			12
413#define MACB_RX_OFFSET_SIZE			2
414#define MACB_RX_SOF_OFFSET			14
415#define MACB_RX_SOF_SIZE			1
416#define MACB_RX_EOF_OFFSET			15
417#define MACB_RX_EOF_SIZE			1
418#define MACB_RX_CFI_OFFSET			16
419#define MACB_RX_CFI_SIZE			1
420#define MACB_RX_VLAN_PRI_OFFSET			17
421#define MACB_RX_VLAN_PRI_SIZE			3
422#define MACB_RX_PRI_TAG_OFFSET			20
423#define MACB_RX_PRI_TAG_SIZE			1
424#define MACB_RX_VLAN_TAG_OFFSET			21
425#define MACB_RX_VLAN_TAG_SIZE			1
426#define MACB_RX_TYPEID_MATCH_OFFSET		22
427#define MACB_RX_TYPEID_MATCH_SIZE		1
428#define MACB_RX_SA4_MATCH_OFFSET		23
429#define MACB_RX_SA4_MATCH_SIZE			1
430#define MACB_RX_SA3_MATCH_OFFSET		24
431#define MACB_RX_SA3_MATCH_SIZE			1
432#define MACB_RX_SA2_MATCH_OFFSET		25
433#define MACB_RX_SA2_MATCH_SIZE			1
434#define MACB_RX_SA1_MATCH_OFFSET		26
435#define MACB_RX_SA1_MATCH_SIZE			1
436#define MACB_RX_EXT_MATCH_OFFSET		28
437#define MACB_RX_EXT_MATCH_SIZE			1
438#define MACB_RX_UHASH_MATCH_OFFSET		29
439#define MACB_RX_UHASH_MATCH_SIZE		1
440#define MACB_RX_MHASH_MATCH_OFFSET		30
441#define MACB_RX_MHASH_MATCH_SIZE		1
442#define MACB_RX_BROADCAST_OFFSET		31
443#define MACB_RX_BROADCAST_SIZE			1
444
445#define MACB_TX_FRMLEN_OFFSET			0
446#define MACB_TX_FRMLEN_SIZE			11
447#define MACB_TX_LAST_OFFSET			15
448#define MACB_TX_LAST_SIZE			1
449#define MACB_TX_NOCRC_OFFSET			16
450#define MACB_TX_NOCRC_SIZE			1
451#define MACB_TX_BUF_EXHAUSTED_OFFSET		27
452#define MACB_TX_BUF_EXHAUSTED_SIZE		1
453#define MACB_TX_UNDERRUN_OFFSET			28
454#define MACB_TX_UNDERRUN_SIZE			1
455#define MACB_TX_ERROR_OFFSET			29
456#define MACB_TX_ERROR_SIZE			1
457#define MACB_TX_WRAP_OFFSET			30
458#define MACB_TX_WRAP_SIZE			1
459#define MACB_TX_USED_OFFSET			31
460#define MACB_TX_USED_SIZE			1
461
462/**
463 * struct macb_tx_skb - data about an skb which is being transmitted
464 * @skb: skb currently being transmitted
465 * @mapping: DMA address of the skb's data buffer
466 */
467struct macb_tx_skb {
468	struct sk_buff		*skb;
469	dma_addr_t		mapping;
470};
471
472/*
473 * Hardware-collected statistics. Used when updating the network
474 * device stats by a periodic timer.
475 */
476struct macb_stats {
477	u32	rx_pause_frames;
478	u32	tx_ok;
479	u32	tx_single_cols;
480	u32	tx_multiple_cols;
481	u32	rx_ok;
482	u32	rx_fcs_errors;
483	u32	rx_align_errors;
484	u32	tx_deferred;
485	u32	tx_late_cols;
486	u32	tx_excessive_cols;
487	u32	tx_underruns;
488	u32	tx_carrier_errors;
489	u32	rx_resource_errors;
490	u32	rx_overruns;
491	u32	rx_symbol_errors;
492	u32	rx_oversize_pkts;
493	u32	rx_jabbers;
494	u32	rx_undersize_pkts;
495	u32	sqe_test_errors;
496	u32	rx_length_mismatch;
497	u32	tx_pause_frames;
498};
499
500struct gem_stats {
501	u32	tx_octets_31_0;
502	u32	tx_octets_47_32;
503	u32	tx_frames;
504	u32	tx_broadcast_frames;
505	u32	tx_multicast_frames;
506	u32	tx_pause_frames;
507	u32	tx_64_byte_frames;
508	u32	tx_65_127_byte_frames;
509	u32	tx_128_255_byte_frames;
510	u32	tx_256_511_byte_frames;
511	u32	tx_512_1023_byte_frames;
512	u32	tx_1024_1518_byte_frames;
513	u32	tx_greater_than_1518_byte_frames;
514	u32	tx_underrun;
515	u32	tx_single_collision_frames;
516	u32	tx_multiple_collision_frames;
517	u32	tx_excessive_collisions;
518	u32	tx_late_collisions;
519	u32	tx_deferred_frames;
520	u32	tx_carrier_sense_errors;
521	u32	rx_octets_31_0;
522	u32	rx_octets_47_32;
523	u32	rx_frames;
524	u32	rx_broadcast_frames;
525	u32	rx_multicast_frames;
526	u32	rx_pause_frames;
527	u32	rx_64_byte_frames;
528	u32	rx_65_127_byte_frames;
529	u32	rx_128_255_byte_frames;
530	u32	rx_256_511_byte_frames;
531	u32	rx_512_1023_byte_frames;
532	u32	rx_1024_1518_byte_frames;
533	u32	rx_greater_than_1518_byte_frames;
534	u32	rx_undersized_frames;
535	u32	rx_oversize_frames;
536	u32	rx_jabbers;
537	u32	rx_frame_check_sequence_errors;
538	u32	rx_length_field_frame_errors;
539	u32	rx_symbol_errors;
540	u32	rx_alignment_errors;
541	u32	rx_resource_errors;
542	u32	rx_overruns;
543	u32	rx_ip_header_checksum_errors;
544	u32	rx_tcp_checksum_errors;
545	u32	rx_udp_checksum_errors;
546};
547
548struct macb;
549
550struct macb_or_gem_ops {
551	int	(*mog_alloc_rx_buffers)(struct macb *bp);
552	void	(*mog_free_rx_buffers)(struct macb *bp);
553	void	(*mog_init_rings)(struct macb *bp);
554	int	(*mog_rx)(struct macb *bp, int budget);
555};
556
557struct macb {
558	void __iomem		*regs;
559
560	unsigned int		rx_tail;
561	unsigned int		rx_prepared_head;
562	struct macb_dma_desc	*rx_ring;
563	struct sk_buff		**rx_skbuff;
564	void			*rx_buffers;
565	size_t			rx_buffer_size;
566
567	unsigned int		tx_head, tx_tail;
568	struct macb_dma_desc	*tx_ring;
569	struct macb_tx_skb	*tx_skb;
570
571	spinlock_t		lock;
572	struct platform_device	*pdev;
573	struct clk		*pclk;
574	struct clk		*hclk;
575	struct clk		*tx_clk;
576	struct net_device	*dev;
577	struct napi_struct	napi;
578	struct work_struct	tx_error_task;
579	struct net_device_stats	stats;
580	union {
581		struct macb_stats	macb;
582		struct gem_stats	gem;
583	}			hw_stats;
584
585	dma_addr_t		rx_ring_dma;
586	dma_addr_t		tx_ring_dma;
587	dma_addr_t		rx_buffers_dma;
588
589	struct macb_or_gem_ops	macbgem_ops;
590
591	struct mii_bus		*mii_bus;
592	struct phy_device	*phy_dev;
593	unsigned int 		link;
594	unsigned int 		speed;
595	unsigned int 		duplex;
596
597	u32			caps;
598
599	phy_interface_t		phy_interface;
600
601	/* AT91RM9200 transmit */
602	struct sk_buff *skb;			/* holds skb until xmit interrupt completes */
603	dma_addr_t skb_physaddr;		/* phys addr from pci_map_single */
604	int skb_length;				/* saved skb length for pci_unmap_single */
605};
606
607extern const struct ethtool_ops macb_ethtool_ops;
608
609int macb_mii_init(struct macb *bp);
610int macb_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
611struct net_device_stats *macb_get_stats(struct net_device *dev);
612void macb_set_rx_mode(struct net_device *dev);
613void macb_set_hwaddr(struct macb *bp);
614void macb_get_hwaddr(struct macb *bp);
615
616static inline bool macb_is_gem(struct macb *bp)
617{
618	return MACB_BFEXT(IDNUM, macb_readl(bp, MID)) == 0x2;
619}
620
621#endif /* _MACB_H */