xref: /openbmc/linux/drivers/net/ethernet/jme.h (revision 5b394b2d)
1 /*
2  * JMicron JMC2x0 series PCIe Ethernet Linux Device Driver
3  *
4  * Copyright 2008 JMicron Technology Corporation
5  * http://www.jmicron.com/
6  * Copyright (c) 2009 - 2010 Guo-Fu Tseng <cooldavid@cooldavid.org>
7  *
8  * Author: Guo-Fu Tseng <cooldavid@cooldavid.org>
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License as published by
12  * the Free Software Foundation; either version 2 of the License.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, write to the Free Software
21  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22  *
23  */
24 
25 #ifndef __JME_H_INCLUDED__
26 #define __JME_H_INCLUDED__
27 #include <linux/interrupt.h>
28 
29 #define DRV_NAME	"jme"
30 #define DRV_VERSION	"1.0.8"
31 
32 #define PCI_DEVICE_ID_JMICRON_JMC250	0x0250
33 #define PCI_DEVICE_ID_JMICRON_JMC260	0x0260
34 
35 /*
36  * Message related definitions
37  */
38 #define JME_DEF_MSG_ENABLE \
39 	(NETIF_MSG_PROBE | \
40 	NETIF_MSG_LINK | \
41 	NETIF_MSG_RX_ERR | \
42 	NETIF_MSG_TX_ERR | \
43 	NETIF_MSG_HW)
44 
45 #ifdef TX_DEBUG
46 #define tx_dbg(priv, fmt, args...)					\
47 	printk(KERN_DEBUG "%s: " fmt, (priv)->dev->name, ##args)
48 #else
49 #define tx_dbg(priv, fmt, args...)					\
50 do {									\
51 	if (0)								\
52 		printk(KERN_DEBUG "%s: " fmt, (priv)->dev->name, ##args); \
53 } while (0)
54 #endif
55 
56 /*
57  * Extra PCI Configuration space interface
58  */
59 #define PCI_DCSR_MRRS		0x59
60 #define PCI_DCSR_MRRS_MASK	0x70
61 
62 enum pci_dcsr_mrrs_vals {
63 	MRRS_128B	= 0x00,
64 	MRRS_256B	= 0x10,
65 	MRRS_512B	= 0x20,
66 	MRRS_1024B	= 0x30,
67 	MRRS_2048B	= 0x40,
68 	MRRS_4096B	= 0x50,
69 };
70 
71 #define PCI_SPI			0xB0
72 
73 enum pci_spi_bits {
74 	SPI_EN		= 0x10,
75 	SPI_MISO	= 0x08,
76 	SPI_MOSI	= 0x04,
77 	SPI_SCLK	= 0x02,
78 	SPI_CS		= 0x01,
79 };
80 
81 struct jme_spi_op {
82 	void __user *uwbuf;
83 	void __user *urbuf;
84 	__u8	wn;	/* Number of write actions */
85 	__u8	rn;	/* Number of read actions */
86 	__u8	bitn;	/* Number of bits per action */
87 	__u8	spd;	/* The maxim acceptable speed of controller, in MHz.*/
88 	__u8	mode;	/* CPOL, CPHA, and Duplex mode of SPI */
89 
90 	/* Internal use only */
91 	u8	*kwbuf;
92 	u8	*krbuf;
93 	u8	sr;
94 	u16	halfclk; /* Half of clock cycle calculated from spd, in ns */
95 };
96 
97 enum jme_spi_op_bits {
98 	SPI_MODE_CPHA	= 0x01,
99 	SPI_MODE_CPOL	= 0x02,
100 	SPI_MODE_DUP	= 0x80,
101 };
102 
103 #define HALF_US 500	/* 500 ns */
104 
105 #define PCI_PRIV_PE1		0xE4
106 
107 enum pci_priv_pe1_bit_masks {
108 	PE1_ASPMSUPRT	= 0x00000003, /*
109 				       * RW:
110 				       * Aspm_support[1:0]
111 				       * (R/W Port of 5C[11:10])
112 				       */
113 	PE1_MULTIFUN	= 0x00000004, /* RW: Multi_fun_bit */
114 	PE1_RDYDMA	= 0x00000008, /* RO: ~link.rdy_for_dma */
115 	PE1_ASPMOPTL	= 0x00000030, /* RW: link.rx10s_option[1:0] */
116 	PE1_ASPMOPTH	= 0x000000C0, /* RW: 10_req=[3]?HW:[2] */
117 	PE1_GPREG0	= 0x0000FF00, /*
118 				       * SRW:
119 				       * Cfg_gp_reg0
120 				       * [7:6] phy_giga BG control
121 				       * [5] CREQ_N as CREQ_N1 (CPPE# as CREQ#)
122 				       * [4:0] Reserved
123 				       */
124 	PE1_GPREG0_PBG	= 0x0000C000, /* phy_giga BG control */
125 	PE1_GPREG1	= 0x00FF0000, /* RW: Cfg_gp_reg1 */
126 	PE1_REVID	= 0xFF000000, /* RO: Rev ID */
127 };
128 
129 enum pci_priv_pe1_values {
130 	PE1_GPREG0_ENBG		= 0x00000000, /* en BG */
131 	PE1_GPREG0_PDD3COLD	= 0x00004000, /* giga_PD + d3cold */
132 	PE1_GPREG0_PDPCIESD	= 0x00008000, /* giga_PD + pcie_shutdown */
133 	PE1_GPREG0_PDPCIEIDDQ	= 0x0000C000, /* giga_PD + pcie_iddq */
134 };
135 
136 /*
137  * Dynamic(adaptive)/Static PCC values
138  */
139 enum dynamic_pcc_values {
140 	PCC_OFF		= 0,
141 	PCC_P1		= 1,
142 	PCC_P2		= 2,
143 	PCC_P3		= 3,
144 
145 	PCC_OFF_TO	= 0,
146 	PCC_P1_TO	= 1,
147 	PCC_P2_TO	= 64,
148 	PCC_P3_TO	= 128,
149 
150 	PCC_OFF_CNT	= 0,
151 	PCC_P1_CNT	= 1,
152 	PCC_P2_CNT	= 16,
153 	PCC_P3_CNT	= 32,
154 };
155 struct dynpcc_info {
156 	unsigned long	last_bytes;
157 	unsigned long	last_pkts;
158 	unsigned long	intr_cnt;
159 	unsigned char	cur;
160 	unsigned char	attempt;
161 	unsigned char	cnt;
162 };
163 #define PCC_INTERVAL_US	100000
164 #define PCC_INTERVAL (HZ / (1000000 / PCC_INTERVAL_US))
165 #define PCC_P3_THRESHOLD (2 * 1024 * 1024)
166 #define PCC_P2_THRESHOLD 800
167 #define PCC_INTR_THRESHOLD 800
168 #define PCC_TX_TO 1000
169 #define PCC_TX_CNT 8
170 
171 /*
172  * TX/RX Descriptors
173  *
174  * TX/RX Ring DESC Count Must be multiple of 16 and <= 1024
175  */
176 #define RING_DESC_ALIGN		16	/* Descriptor alignment */
177 #define TX_DESC_SIZE		16
178 #define TX_RING_NR		8
179 #define TX_RING_ALLOC_SIZE(s)	((s * TX_DESC_SIZE) + RING_DESC_ALIGN)
180 
181 struct txdesc {
182 	union {
183 		__u8	all[16];
184 		__le32	dw[4];
185 		struct {
186 			/* DW0 */
187 			__le16	vlan;
188 			__u8	rsv1;
189 			__u8	flags;
190 
191 			/* DW1 */
192 			__le16	datalen;
193 			__le16	mss;
194 
195 			/* DW2 */
196 			__le16	pktsize;
197 			__le16	rsv2;
198 
199 			/* DW3 */
200 			__le32	bufaddr;
201 		} desc1;
202 		struct {
203 			/* DW0 */
204 			__le16	rsv1;
205 			__u8	rsv2;
206 			__u8	flags;
207 
208 			/* DW1 */
209 			__le16	datalen;
210 			__le16	rsv3;
211 
212 			/* DW2 */
213 			__le32	bufaddrh;
214 
215 			/* DW3 */
216 			__le32	bufaddrl;
217 		} desc2;
218 		struct {
219 			/* DW0 */
220 			__u8	ehdrsz;
221 			__u8	rsv1;
222 			__u8	rsv2;
223 			__u8	flags;
224 
225 			/* DW1 */
226 			__le16	trycnt;
227 			__le16	segcnt;
228 
229 			/* DW2 */
230 			__le16	pktsz;
231 			__le16	rsv3;
232 
233 			/* DW3 */
234 			__le32	bufaddrl;
235 		} descwb;
236 	};
237 };
238 
239 enum jme_txdesc_flags_bits {
240 	TXFLAG_OWN	= 0x80,
241 	TXFLAG_INT	= 0x40,
242 	TXFLAG_64BIT	= 0x20,
243 	TXFLAG_TCPCS	= 0x10,
244 	TXFLAG_UDPCS	= 0x08,
245 	TXFLAG_IPCS	= 0x04,
246 	TXFLAG_LSEN	= 0x02,
247 	TXFLAG_TAGON	= 0x01,
248 };
249 
250 #define TXDESC_MSS_SHIFT	2
251 enum jme_txwbdesc_flags_bits {
252 	TXWBFLAG_OWN	= 0x80,
253 	TXWBFLAG_INT	= 0x40,
254 	TXWBFLAG_TMOUT	= 0x20,
255 	TXWBFLAG_TRYOUT	= 0x10,
256 	TXWBFLAG_COL	= 0x08,
257 
258 	TXWBFLAG_ALLERR	= TXWBFLAG_TMOUT |
259 			  TXWBFLAG_TRYOUT |
260 			  TXWBFLAG_COL,
261 };
262 
263 #define RX_DESC_SIZE		16
264 #define RX_RING_NR		4
265 #define RX_RING_ALLOC_SIZE(s)	((s * RX_DESC_SIZE) + RING_DESC_ALIGN)
266 #define RX_BUF_DMA_ALIGN	8
267 #define RX_PREPAD_SIZE		10
268 #define ETH_CRC_LEN		2
269 #define RX_VLANHDR_LEN		2
270 #define RX_EXTRA_LEN		(RX_PREPAD_SIZE + \
271 				ETH_HLEN + \
272 				ETH_CRC_LEN + \
273 				RX_VLANHDR_LEN + \
274 				RX_BUF_DMA_ALIGN)
275 
276 struct rxdesc {
277 	union {
278 		__u8	all[16];
279 		__le32	dw[4];
280 		struct {
281 			/* DW0 */
282 			__le16	rsv2;
283 			__u8	rsv1;
284 			__u8	flags;
285 
286 			/* DW1 */
287 			__le16	datalen;
288 			__le16	wbcpl;
289 
290 			/* DW2 */
291 			__le32	bufaddrh;
292 
293 			/* DW3 */
294 			__le32	bufaddrl;
295 		} desc1;
296 		struct {
297 			/* DW0 */
298 			__le16	vlan;
299 			__le16	flags;
300 
301 			/* DW1 */
302 			__le16	framesize;
303 			__u8	errstat;
304 			__u8	desccnt;
305 
306 			/* DW2 */
307 			__le32	rsshash;
308 
309 			/* DW3 */
310 			__u8	hashfun;
311 			__u8	hashtype;
312 			__le16	resrv;
313 		} descwb;
314 	};
315 };
316 
317 enum jme_rxdesc_flags_bits {
318 	RXFLAG_OWN	= 0x80,
319 	RXFLAG_INT	= 0x40,
320 	RXFLAG_64BIT	= 0x20,
321 };
322 
323 enum jme_rxwbdesc_flags_bits {
324 	RXWBFLAG_OWN		= 0x8000,
325 	RXWBFLAG_INT		= 0x4000,
326 	RXWBFLAG_MF		= 0x2000,
327 	RXWBFLAG_64BIT		= 0x2000,
328 	RXWBFLAG_TCPON		= 0x1000,
329 	RXWBFLAG_UDPON		= 0x0800,
330 	RXWBFLAG_IPCS		= 0x0400,
331 	RXWBFLAG_TCPCS		= 0x0200,
332 	RXWBFLAG_UDPCS		= 0x0100,
333 	RXWBFLAG_TAGON		= 0x0080,
334 	RXWBFLAG_IPV4		= 0x0040,
335 	RXWBFLAG_IPV6		= 0x0020,
336 	RXWBFLAG_PAUSE		= 0x0010,
337 	RXWBFLAG_MAGIC		= 0x0008,
338 	RXWBFLAG_WAKEUP		= 0x0004,
339 	RXWBFLAG_DEST		= 0x0003,
340 	RXWBFLAG_DEST_UNI	= 0x0001,
341 	RXWBFLAG_DEST_MUL	= 0x0002,
342 	RXWBFLAG_DEST_BRO	= 0x0003,
343 };
344 
345 enum jme_rxwbdesc_desccnt_mask {
346 	RXWBDCNT_WBCPL	= 0x80,
347 	RXWBDCNT_DCNT	= 0x7F,
348 };
349 
350 enum jme_rxwbdesc_errstat_bits {
351 	RXWBERR_LIMIT	= 0x80,
352 	RXWBERR_MIIER	= 0x40,
353 	RXWBERR_NIBON	= 0x20,
354 	RXWBERR_COLON	= 0x10,
355 	RXWBERR_ABORT	= 0x08,
356 	RXWBERR_SHORT	= 0x04,
357 	RXWBERR_OVERUN	= 0x02,
358 	RXWBERR_CRCERR	= 0x01,
359 	RXWBERR_ALLERR	= 0xFF,
360 };
361 
362 /*
363  * Buffer information corresponding to ring descriptors.
364  */
365 struct jme_buffer_info {
366 	struct sk_buff *skb;
367 	dma_addr_t mapping;
368 	int len;
369 	int nr_desc;
370 	unsigned long start_xmit;
371 };
372 
373 /*
374  * The structure holding buffer information and ring descriptors all together.
375  */
376 struct jme_ring {
377 	void *alloc;		/* pointer to allocated memory */
378 	void *desc;		/* pointer to ring memory  */
379 	dma_addr_t dmaalloc;	/* phys address of ring alloc */
380 	dma_addr_t dma;		/* phys address for ring dma */
381 
382 	/* Buffer information corresponding to each descriptor */
383 	struct jme_buffer_info *bufinf;
384 
385 	int next_to_use;
386 	atomic_t next_to_clean;
387 	atomic_t nr_free;
388 };
389 
390 #define NET_STAT(priv) (priv->dev->stats)
391 #define NETDEV_GET_STATS(netdev, fun_ptr)
392 #define DECLARE_NET_DEVICE_STATS
393 
394 #define DECLARE_NAPI_STRUCT struct napi_struct napi;
395 #define NETIF_NAPI_SET(dev, napis, pollfn, q) \
396 	netif_napi_add(dev, napis, pollfn, q);
397 #define JME_NAPI_HOLDER(holder) struct napi_struct *holder
398 #define JME_NAPI_WEIGHT(w) int w
399 #define JME_NAPI_WEIGHT_VAL(w) w
400 #define JME_NAPI_WEIGHT_SET(w, r)
401 #define JME_RX_COMPLETE(dev, napis) napi_complete(napis)
402 #define JME_NAPI_ENABLE(priv) napi_enable(&priv->napi);
403 #define JME_NAPI_DISABLE(priv) \
404 	if (!napi_disable_pending(&priv->napi)) \
405 		napi_disable(&priv->napi);
406 #define JME_RX_SCHEDULE_PREP(priv) \
407 	napi_schedule_prep(&priv->napi)
408 #define JME_RX_SCHEDULE(priv) \
409 	__napi_schedule(&priv->napi);
410 
411 /*
412  * Jmac Adapter Private data
413  */
414 struct jme_adapter {
415 	struct pci_dev          *pdev;
416 	struct net_device       *dev;
417 	void __iomem            *regs;
418 	struct mii_if_info	mii_if;
419 	struct jme_ring		rxring[RX_RING_NR];
420 	struct jme_ring		txring[TX_RING_NR];
421 	spinlock_t		phy_lock;
422 	spinlock_t		macaddr_lock;
423 	spinlock_t		rxmcs_lock;
424 	struct tasklet_struct	rxempty_task;
425 	struct tasklet_struct	rxclean_task;
426 	struct tasklet_struct	txclean_task;
427 	struct tasklet_struct	linkch_task;
428 	struct tasklet_struct	pcc_task;
429 	unsigned long		flags;
430 	u32			reg_txcs;
431 	u32			reg_txpfc;
432 	u32			reg_rxcs;
433 	u32			reg_rxmcs;
434 	u32			reg_ghc;
435 	u32			reg_pmcs;
436 	u32			reg_gpreg1;
437 	u32			phylink;
438 	u32			tx_ring_size;
439 	u32			tx_ring_mask;
440 	u32			tx_wake_threshold;
441 	u32			rx_ring_size;
442 	u32			rx_ring_mask;
443 	u8			mrrs;
444 	unsigned int		fpgaver;
445 	u8			chiprev;
446 	u8			chip_main_rev;
447 	u8			chip_sub_rev;
448 	u8			pcirev;
449 	u32			msg_enable;
450 	struct ethtool_link_ksettings old_cmd;
451 	unsigned int		old_mtu;
452 	struct dynpcc_info	dpi;
453 	atomic_t		intr_sem;
454 	atomic_t		link_changing;
455 	atomic_t		tx_cleaning;
456 	atomic_t		rx_cleaning;
457 	atomic_t		rx_empty;
458 	int			(*jme_rx)(struct sk_buff *skb);
459 	DECLARE_NAPI_STRUCT
460 	DECLARE_NET_DEVICE_STATS
461 };
462 
463 enum jme_flags_bits {
464 	JME_FLAG_MSI		= 1,
465 	JME_FLAG_SSET		= 2,
466 	JME_FLAG_POLL		= 5,
467 	JME_FLAG_SHUTDOWN	= 6,
468 };
469 
470 #define TX_TIMEOUT		(5 * HZ)
471 #define JME_REG_LEN		0x500
472 #define MAX_ETHERNET_JUMBO_PACKET_SIZE 9216
473 
474 static inline struct jme_adapter*
475 jme_napi_priv(struct napi_struct *napi)
476 {
477 	struct jme_adapter *jme;
478 	jme = container_of(napi, struct jme_adapter, napi);
479 	return jme;
480 }
481 
482 /*
483  * MMaped I/O Resters
484  */
485 enum jme_iomap_offsets {
486 	JME_MAC		= 0x0000,
487 	JME_PHY		= 0x0400,
488 	JME_MISC	= 0x0800,
489 	JME_RSS		= 0x0C00,
490 };
491 
492 enum jme_iomap_lens {
493 	JME_MAC_LEN	= 0x80,
494 	JME_PHY_LEN	= 0x58,
495 	JME_MISC_LEN	= 0x98,
496 	JME_RSS_LEN	= 0xFF,
497 };
498 
499 enum jme_iomap_regs {
500 	JME_TXCS	= JME_MAC | 0x00, /* Transmit Control and Status */
501 	JME_TXDBA_LO	= JME_MAC | 0x04, /* Transmit Queue Desc Base Addr */
502 	JME_TXDBA_HI	= JME_MAC | 0x08, /* Transmit Queue Desc Base Addr */
503 	JME_TXQDC	= JME_MAC | 0x0C, /* Transmit Queue Desc Count */
504 	JME_TXNDA	= JME_MAC | 0x10, /* Transmit Queue Next Desc Addr */
505 	JME_TXMCS	= JME_MAC | 0x14, /* Transmit MAC Control Status */
506 	JME_TXPFC	= JME_MAC | 0x18, /* Transmit Pause Frame Control */
507 	JME_TXTRHD	= JME_MAC | 0x1C, /* Transmit Timer/Retry@Half-Dup */
508 
509 	JME_RXCS	= JME_MAC | 0x20, /* Receive Control and Status */
510 	JME_RXDBA_LO	= JME_MAC | 0x24, /* Receive Queue Desc Base Addr */
511 	JME_RXDBA_HI	= JME_MAC | 0x28, /* Receive Queue Desc Base Addr */
512 	JME_RXQDC	= JME_MAC | 0x2C, /* Receive Queue Desc Count */
513 	JME_RXNDA	= JME_MAC | 0x30, /* Receive Queue Next Desc Addr */
514 	JME_RXMCS	= JME_MAC | 0x34, /* Receive MAC Control Status */
515 	JME_RXUMA_LO	= JME_MAC | 0x38, /* Receive Unicast MAC Address */
516 	JME_RXUMA_HI	= JME_MAC | 0x3C, /* Receive Unicast MAC Address */
517 	JME_RXMCHT_LO	= JME_MAC | 0x40, /* Recv Multicast Addr HashTable */
518 	JME_RXMCHT_HI	= JME_MAC | 0x44, /* Recv Multicast Addr HashTable */
519 	JME_WFODP	= JME_MAC | 0x48, /* Wakeup Frame Output Data Port */
520 	JME_WFOI	= JME_MAC | 0x4C, /* Wakeup Frame Output Interface */
521 
522 	JME_SMI		= JME_MAC | 0x50, /* Station Management Interface */
523 	JME_GHC		= JME_MAC | 0x54, /* Global Host Control */
524 	JME_PMCS	= JME_MAC | 0x60, /* Power Management Control/Stat */
525 
526 
527 	JME_PHY_PWR	= JME_PHY | 0x24, /* New PHY Power Ctrl Register */
528 	JME_PHY_CS	= JME_PHY | 0x28, /* PHY Ctrl and Status Register */
529 	JME_PHY_LINK	= JME_PHY | 0x30, /* PHY Link Status Register */
530 	JME_SMBCSR	= JME_PHY | 0x40, /* SMB Control and Status */
531 	JME_SMBINTF	= JME_PHY | 0x44, /* SMB Interface */
532 
533 
534 	JME_TMCSR	= JME_MISC | 0x00, /* Timer Control/Status Register */
535 	JME_GPREG0	= JME_MISC | 0x08, /* General purpose REG-0 */
536 	JME_GPREG1	= JME_MISC | 0x0C, /* General purpose REG-1 */
537 	JME_IEVE	= JME_MISC | 0x20, /* Interrupt Event Status */
538 	JME_IREQ	= JME_MISC | 0x24, /* Intr Req Status(For Debug) */
539 	JME_IENS	= JME_MISC | 0x28, /* Intr Enable - Setting Port */
540 	JME_IENC	= JME_MISC | 0x2C, /* Interrupt Enable - Clear Port */
541 	JME_PCCRX0	= JME_MISC | 0x30, /* PCC Control for RX Queue 0 */
542 	JME_PCCTX	= JME_MISC | 0x40, /* PCC Control for TX Queues */
543 	JME_CHIPMODE	= JME_MISC | 0x44, /* Identify FPGA Version */
544 	JME_SHBA_HI	= JME_MISC | 0x48, /* Shadow Register Base HI */
545 	JME_SHBA_LO	= JME_MISC | 0x4C, /* Shadow Register Base LO */
546 	JME_TIMER1	= JME_MISC | 0x70, /* Timer1 */
547 	JME_TIMER2	= JME_MISC | 0x74, /* Timer2 */
548 	JME_APMC	= JME_MISC | 0x7C, /* Aggressive Power Mode Control */
549 	JME_PCCSRX0	= JME_MISC | 0x80, /* PCC Status of RX0 */
550 };
551 
552 /*
553  * TX Control/Status Bits
554  */
555 enum jme_txcs_bits {
556 	TXCS_QUEUE7S	= 0x00008000,
557 	TXCS_QUEUE6S	= 0x00004000,
558 	TXCS_QUEUE5S	= 0x00002000,
559 	TXCS_QUEUE4S	= 0x00001000,
560 	TXCS_QUEUE3S	= 0x00000800,
561 	TXCS_QUEUE2S	= 0x00000400,
562 	TXCS_QUEUE1S	= 0x00000200,
563 	TXCS_QUEUE0S	= 0x00000100,
564 	TXCS_FIFOTH	= 0x000000C0,
565 	TXCS_DMASIZE	= 0x00000030,
566 	TXCS_BURST	= 0x00000004,
567 	TXCS_ENABLE	= 0x00000001,
568 };
569 
570 enum jme_txcs_value {
571 	TXCS_FIFOTH_16QW	= 0x000000C0,
572 	TXCS_FIFOTH_12QW	= 0x00000080,
573 	TXCS_FIFOTH_8QW		= 0x00000040,
574 	TXCS_FIFOTH_4QW		= 0x00000000,
575 
576 	TXCS_DMASIZE_64B	= 0x00000000,
577 	TXCS_DMASIZE_128B	= 0x00000010,
578 	TXCS_DMASIZE_256B	= 0x00000020,
579 	TXCS_DMASIZE_512B	= 0x00000030,
580 
581 	TXCS_SELECT_QUEUE0	= 0x00000000,
582 	TXCS_SELECT_QUEUE1	= 0x00010000,
583 	TXCS_SELECT_QUEUE2	= 0x00020000,
584 	TXCS_SELECT_QUEUE3	= 0x00030000,
585 	TXCS_SELECT_QUEUE4	= 0x00040000,
586 	TXCS_SELECT_QUEUE5	= 0x00050000,
587 	TXCS_SELECT_QUEUE6	= 0x00060000,
588 	TXCS_SELECT_QUEUE7	= 0x00070000,
589 
590 	TXCS_DEFAULT		= TXCS_FIFOTH_4QW |
591 				  TXCS_BURST,
592 };
593 
594 #define JME_TX_DISABLE_TIMEOUT 10 /* 10 msec */
595 
596 /*
597  * TX MAC Control/Status Bits
598  */
599 enum jme_txmcs_bit_masks {
600 	TXMCS_IFG2		= 0xC0000000,
601 	TXMCS_IFG1		= 0x30000000,
602 	TXMCS_TTHOLD		= 0x00000300,
603 	TXMCS_FBURST		= 0x00000080,
604 	TXMCS_CARRIEREXT	= 0x00000040,
605 	TXMCS_DEFER		= 0x00000020,
606 	TXMCS_BACKOFF		= 0x00000010,
607 	TXMCS_CARRIERSENSE	= 0x00000008,
608 	TXMCS_COLLISION		= 0x00000004,
609 	TXMCS_CRC		= 0x00000002,
610 	TXMCS_PADDING		= 0x00000001,
611 };
612 
613 enum jme_txmcs_values {
614 	TXMCS_IFG2_6_4		= 0x00000000,
615 	TXMCS_IFG2_8_5		= 0x40000000,
616 	TXMCS_IFG2_10_6		= 0x80000000,
617 	TXMCS_IFG2_12_7		= 0xC0000000,
618 
619 	TXMCS_IFG1_8_4		= 0x00000000,
620 	TXMCS_IFG1_12_6		= 0x10000000,
621 	TXMCS_IFG1_16_8		= 0x20000000,
622 	TXMCS_IFG1_20_10	= 0x30000000,
623 
624 	TXMCS_TTHOLD_1_8	= 0x00000000,
625 	TXMCS_TTHOLD_1_4	= 0x00000100,
626 	TXMCS_TTHOLD_1_2	= 0x00000200,
627 	TXMCS_TTHOLD_FULL	= 0x00000300,
628 
629 	TXMCS_DEFAULT		= TXMCS_IFG2_8_5 |
630 				  TXMCS_IFG1_16_8 |
631 				  TXMCS_TTHOLD_FULL |
632 				  TXMCS_DEFER |
633 				  TXMCS_CRC |
634 				  TXMCS_PADDING,
635 };
636 
637 enum jme_txpfc_bits_masks {
638 	TXPFC_VLAN_TAG		= 0xFFFF0000,
639 	TXPFC_VLAN_EN		= 0x00008000,
640 	TXPFC_PF_EN		= 0x00000001,
641 };
642 
643 enum jme_txtrhd_bits_masks {
644 	TXTRHD_TXPEN		= 0x80000000,
645 	TXTRHD_TXP		= 0x7FFFFF00,
646 	TXTRHD_TXREN		= 0x00000080,
647 	TXTRHD_TXRL		= 0x0000007F,
648 };
649 
650 enum jme_txtrhd_shifts {
651 	TXTRHD_TXP_SHIFT	= 8,
652 	TXTRHD_TXRL_SHIFT	= 0,
653 };
654 
655 enum jme_txtrhd_values {
656 	TXTRHD_FULLDUPLEX	= 0x00000000,
657 	TXTRHD_HALFDUPLEX	= TXTRHD_TXPEN |
658 				  ((0x2000 << TXTRHD_TXP_SHIFT) & TXTRHD_TXP) |
659 				  TXTRHD_TXREN |
660 				  ((8 << TXTRHD_TXRL_SHIFT) & TXTRHD_TXRL),
661 };
662 
663 /*
664  * RX Control/Status Bits
665  */
666 enum jme_rxcs_bit_masks {
667 	/* FIFO full threshold for transmitting Tx Pause Packet */
668 	RXCS_FIFOTHTP	= 0x30000000,
669 	/* FIFO threshold for processing next packet */
670 	RXCS_FIFOTHNP	= 0x0C000000,
671 	RXCS_DMAREQSZ	= 0x03000000, /* DMA Request Size */
672 	RXCS_QUEUESEL	= 0x00030000, /* Queue selection */
673 	RXCS_RETRYGAP	= 0x0000F000, /* RX Desc full retry gap */
674 	RXCS_RETRYCNT	= 0x00000F00, /* RX Desc full retry counter */
675 	RXCS_WAKEUP	= 0x00000040, /* Enable receive wakeup packet */
676 	RXCS_MAGIC	= 0x00000020, /* Enable receive magic packet */
677 	RXCS_SHORT	= 0x00000010, /* Enable receive short packet */
678 	RXCS_ABORT	= 0x00000008, /* Enable receive errorr packet */
679 	RXCS_QST	= 0x00000004, /* Receive queue start */
680 	RXCS_SUSPEND	= 0x00000002,
681 	RXCS_ENABLE	= 0x00000001,
682 };
683 
684 enum jme_rxcs_values {
685 	RXCS_FIFOTHTP_16T	= 0x00000000,
686 	RXCS_FIFOTHTP_32T	= 0x10000000,
687 	RXCS_FIFOTHTP_64T	= 0x20000000,
688 	RXCS_FIFOTHTP_128T	= 0x30000000,
689 
690 	RXCS_FIFOTHNP_16QW	= 0x00000000,
691 	RXCS_FIFOTHNP_32QW	= 0x04000000,
692 	RXCS_FIFOTHNP_64QW	= 0x08000000,
693 	RXCS_FIFOTHNP_128QW	= 0x0C000000,
694 
695 	RXCS_DMAREQSZ_16B	= 0x00000000,
696 	RXCS_DMAREQSZ_32B	= 0x01000000,
697 	RXCS_DMAREQSZ_64B	= 0x02000000,
698 	RXCS_DMAREQSZ_128B	= 0x03000000,
699 
700 	RXCS_QUEUESEL_Q0	= 0x00000000,
701 	RXCS_QUEUESEL_Q1	= 0x00010000,
702 	RXCS_QUEUESEL_Q2	= 0x00020000,
703 	RXCS_QUEUESEL_Q3	= 0x00030000,
704 
705 	RXCS_RETRYGAP_256ns	= 0x00000000,
706 	RXCS_RETRYGAP_512ns	= 0x00001000,
707 	RXCS_RETRYGAP_1024ns	= 0x00002000,
708 	RXCS_RETRYGAP_2048ns	= 0x00003000,
709 	RXCS_RETRYGAP_4096ns	= 0x00004000,
710 	RXCS_RETRYGAP_8192ns	= 0x00005000,
711 	RXCS_RETRYGAP_16384ns	= 0x00006000,
712 	RXCS_RETRYGAP_32768ns	= 0x00007000,
713 
714 	RXCS_RETRYCNT_0		= 0x00000000,
715 	RXCS_RETRYCNT_4		= 0x00000100,
716 	RXCS_RETRYCNT_8		= 0x00000200,
717 	RXCS_RETRYCNT_12	= 0x00000300,
718 	RXCS_RETRYCNT_16	= 0x00000400,
719 	RXCS_RETRYCNT_20	= 0x00000500,
720 	RXCS_RETRYCNT_24	= 0x00000600,
721 	RXCS_RETRYCNT_28	= 0x00000700,
722 	RXCS_RETRYCNT_32	= 0x00000800,
723 	RXCS_RETRYCNT_36	= 0x00000900,
724 	RXCS_RETRYCNT_40	= 0x00000A00,
725 	RXCS_RETRYCNT_44	= 0x00000B00,
726 	RXCS_RETRYCNT_48	= 0x00000C00,
727 	RXCS_RETRYCNT_52	= 0x00000D00,
728 	RXCS_RETRYCNT_56	= 0x00000E00,
729 	RXCS_RETRYCNT_60	= 0x00000F00,
730 
731 	RXCS_DEFAULT		= RXCS_FIFOTHTP_128T |
732 				  RXCS_FIFOTHNP_16QW |
733 				  RXCS_DMAREQSZ_128B |
734 				  RXCS_RETRYGAP_256ns |
735 				  RXCS_RETRYCNT_32,
736 };
737 
738 #define JME_RX_DISABLE_TIMEOUT 10 /* 10 msec */
739 
740 /*
741  * RX MAC Control/Status Bits
742  */
743 enum jme_rxmcs_bits {
744 	RXMCS_ALLFRAME		= 0x00000800,
745 	RXMCS_BRDFRAME		= 0x00000400,
746 	RXMCS_MULFRAME		= 0x00000200,
747 	RXMCS_UNIFRAME		= 0x00000100,
748 	RXMCS_ALLMULFRAME	= 0x00000080,
749 	RXMCS_MULFILTERED	= 0x00000040,
750 	RXMCS_RXCOLLDEC		= 0x00000020,
751 	RXMCS_FLOWCTRL		= 0x00000008,
752 	RXMCS_VTAGRM		= 0x00000004,
753 	RXMCS_PREPAD		= 0x00000002,
754 	RXMCS_CHECKSUM		= 0x00000001,
755 
756 	RXMCS_DEFAULT		= RXMCS_VTAGRM |
757 				  RXMCS_PREPAD |
758 				  RXMCS_FLOWCTRL |
759 				  RXMCS_CHECKSUM,
760 };
761 
762 /*	Extern PHY common register 2	*/
763 
764 #define PHY_GAD_TEST_MODE_1			0x00002000
765 #define PHY_GAD_TEST_MODE_MSK			0x0000E000
766 #define JM_PHY_SPEC_REG_READ			0x00004000
767 #define JM_PHY_SPEC_REG_WRITE			0x00008000
768 #define PHY_CALIBRATION_DELAY			20
769 #define JM_PHY_SPEC_ADDR_REG			0x1E
770 #define JM_PHY_SPEC_DATA_REG			0x1F
771 
772 #define JM_PHY_EXT_COMM_0_REG			0x30
773 #define JM_PHY_EXT_COMM_1_REG			0x31
774 #define JM_PHY_EXT_COMM_2_REG			0x32
775 #define JM_PHY_EXT_COMM_2_CALI_ENABLE		0x01
776 #define JM_PHY_EXT_COMM_2_CALI_MODE_0		0x02
777 #define JM_PHY_EXT_COMM_2_CALI_LATCH		0x10
778 #define PCI_PRIV_SHARE_NICCTRL			0xF5
779 #define JME_FLAG_PHYEA_ENABLE			0x2
780 
781 /*
782  * Wakeup Frame setup interface registers
783  */
784 #define WAKEUP_FRAME_NR	8
785 #define WAKEUP_FRAME_MASK_DWNR	4
786 
787 enum jme_wfoi_bit_masks {
788 	WFOI_MASK_SEL		= 0x00000070,
789 	WFOI_CRC_SEL		= 0x00000008,
790 	WFOI_FRAME_SEL		= 0x00000007,
791 };
792 
793 enum jme_wfoi_shifts {
794 	WFOI_MASK_SHIFT		= 4,
795 };
796 
797 /*
798  * SMI Related definitions
799  */
800 enum jme_smi_bit_mask {
801 	SMI_DATA_MASK		= 0xFFFF0000,
802 	SMI_REG_ADDR_MASK	= 0x0000F800,
803 	SMI_PHY_ADDR_MASK	= 0x000007C0,
804 	SMI_OP_WRITE		= 0x00000020,
805 	/* Set to 1, after req done it'll be cleared to 0 */
806 	SMI_OP_REQ		= 0x00000010,
807 	SMI_OP_MDIO		= 0x00000008, /* Software assess In/Out */
808 	SMI_OP_MDOE		= 0x00000004, /* Software Output Enable */
809 	SMI_OP_MDC		= 0x00000002, /* Software CLK Control */
810 	SMI_OP_MDEN		= 0x00000001, /* Software access Enable */
811 };
812 
813 enum jme_smi_bit_shift {
814 	SMI_DATA_SHIFT		= 16,
815 	SMI_REG_ADDR_SHIFT	= 11,
816 	SMI_PHY_ADDR_SHIFT	= 6,
817 };
818 
819 static inline u32 smi_reg_addr(int x)
820 {
821 	return (x << SMI_REG_ADDR_SHIFT) & SMI_REG_ADDR_MASK;
822 }
823 
824 static inline u32 smi_phy_addr(int x)
825 {
826 	return (x << SMI_PHY_ADDR_SHIFT) & SMI_PHY_ADDR_MASK;
827 }
828 
829 #define JME_PHY_TIMEOUT 100 /* 100 msec */
830 #define JME_PHY_REG_NR 32
831 
832 /*
833  * Global Host Control
834  */
835 enum jme_ghc_bit_mask {
836 	GHC_SWRST		= 0x40000000,
837 	GHC_TO_CLK_SRC		= 0x00C00000,
838 	GHC_TXMAC_CLK_SRC	= 0x00300000,
839 	GHC_DPX			= 0x00000040,
840 	GHC_SPEED		= 0x00000030,
841 	GHC_LINK_POLL		= 0x00000001,
842 };
843 
844 enum jme_ghc_speed_val {
845 	GHC_SPEED_10M		= 0x00000010,
846 	GHC_SPEED_100M		= 0x00000020,
847 	GHC_SPEED_1000M		= 0x00000030,
848 };
849 
850 enum jme_ghc_to_clk {
851 	GHC_TO_CLK_OFF		= 0x00000000,
852 	GHC_TO_CLK_GPHY		= 0x00400000,
853 	GHC_TO_CLK_PCIE		= 0x00800000,
854 	GHC_TO_CLK_INVALID	= 0x00C00000,
855 };
856 
857 enum jme_ghc_txmac_clk {
858 	GHC_TXMAC_CLK_OFF	= 0x00000000,
859 	GHC_TXMAC_CLK_GPHY	= 0x00100000,
860 	GHC_TXMAC_CLK_PCIE	= 0x00200000,
861 	GHC_TXMAC_CLK_INVALID	= 0x00300000,
862 };
863 
864 /*
865  * Power management control and status register
866  */
867 enum jme_pmcs_bit_masks {
868 	PMCS_STMASK	= 0xFFFF0000,
869 	PMCS_WF7DET	= 0x80000000,
870 	PMCS_WF6DET	= 0x40000000,
871 	PMCS_WF5DET	= 0x20000000,
872 	PMCS_WF4DET	= 0x10000000,
873 	PMCS_WF3DET	= 0x08000000,
874 	PMCS_WF2DET	= 0x04000000,
875 	PMCS_WF1DET	= 0x02000000,
876 	PMCS_WF0DET	= 0x01000000,
877 	PMCS_LFDET	= 0x00040000,
878 	PMCS_LRDET	= 0x00020000,
879 	PMCS_MFDET	= 0x00010000,
880 	PMCS_ENMASK	= 0x0000FFFF,
881 	PMCS_WF7EN	= 0x00008000,
882 	PMCS_WF6EN	= 0x00004000,
883 	PMCS_WF5EN	= 0x00002000,
884 	PMCS_WF4EN	= 0x00001000,
885 	PMCS_WF3EN	= 0x00000800,
886 	PMCS_WF2EN	= 0x00000400,
887 	PMCS_WF1EN	= 0x00000200,
888 	PMCS_WF0EN	= 0x00000100,
889 	PMCS_LFEN	= 0x00000004,
890 	PMCS_LREN	= 0x00000002,
891 	PMCS_MFEN	= 0x00000001,
892 };
893 
894 /*
895  * New PHY Power Control Register
896  */
897 enum jme_phy_pwr_bit_masks {
898 	PHY_PWR_DWN1SEL	= 0x01000000, /* Phy_giga.p_PWR_DOWN1_SEL */
899 	PHY_PWR_DWN1SW	= 0x02000000, /* Phy_giga.p_PWR_DOWN1_SW */
900 	PHY_PWR_DWN2	= 0x04000000, /* Phy_giga.p_PWR_DOWN2 */
901 	PHY_PWR_CLKSEL	= 0x08000000, /*
902 				       * XTL_OUT Clock select
903 				       * (an internal free-running clock)
904 				       * 0: xtl_out = phy_giga.A_XTL25_O
905 				       * 1: xtl_out = phy_giga.PD_OSC
906 				       */
907 };
908 
909 /*
910  * Giga PHY Status Registers
911  */
912 enum jme_phy_link_bit_mask {
913 	PHY_LINK_SPEED_MASK		= 0x0000C000,
914 	PHY_LINK_DUPLEX			= 0x00002000,
915 	PHY_LINK_SPEEDDPU_RESOLVED	= 0x00000800,
916 	PHY_LINK_UP			= 0x00000400,
917 	PHY_LINK_AUTONEG_COMPLETE	= 0x00000200,
918 	PHY_LINK_MDI_STAT		= 0x00000040,
919 };
920 
921 enum jme_phy_link_speed_val {
922 	PHY_LINK_SPEED_10M		= 0x00000000,
923 	PHY_LINK_SPEED_100M		= 0x00004000,
924 	PHY_LINK_SPEED_1000M		= 0x00008000,
925 };
926 
927 #define JME_SPDRSV_TIMEOUT	500	/* 500 us */
928 
929 /*
930  * SMB Control and Status
931  */
932 enum jme_smbcsr_bit_mask {
933 	SMBCSR_CNACK	= 0x00020000,
934 	SMBCSR_RELOAD	= 0x00010000,
935 	SMBCSR_EEPROMD	= 0x00000020,
936 	SMBCSR_INITDONE	= 0x00000010,
937 	SMBCSR_BUSY	= 0x0000000F,
938 };
939 
940 enum jme_smbintf_bit_mask {
941 	SMBINTF_HWDATR	= 0xFF000000,
942 	SMBINTF_HWDATW	= 0x00FF0000,
943 	SMBINTF_HWADDR	= 0x0000FF00,
944 	SMBINTF_HWRWN	= 0x00000020,
945 	SMBINTF_HWCMD	= 0x00000010,
946 	SMBINTF_FASTM	= 0x00000008,
947 	SMBINTF_GPIOSCL	= 0x00000004,
948 	SMBINTF_GPIOSDA	= 0x00000002,
949 	SMBINTF_GPIOEN	= 0x00000001,
950 };
951 
952 enum jme_smbintf_vals {
953 	SMBINTF_HWRWN_READ	= 0x00000020,
954 	SMBINTF_HWRWN_WRITE	= 0x00000000,
955 };
956 
957 enum jme_smbintf_shifts {
958 	SMBINTF_HWDATR_SHIFT	= 24,
959 	SMBINTF_HWDATW_SHIFT	= 16,
960 	SMBINTF_HWADDR_SHIFT	= 8,
961 };
962 
963 #define JME_EEPROM_RELOAD_TIMEOUT 2000 /* 2000 msec */
964 #define JME_SMB_BUSY_TIMEOUT 20 /* 20 msec */
965 #define JME_SMB_LEN 256
966 #define JME_EEPROM_MAGIC 0x250
967 
968 /*
969  * Timer Control/Status Register
970  */
971 enum jme_tmcsr_bit_masks {
972 	TMCSR_SWIT	= 0x80000000,
973 	TMCSR_EN	= 0x01000000,
974 	TMCSR_CNT	= 0x00FFFFFF,
975 };
976 
977 /*
978  * General Purpose REG-0
979  */
980 enum jme_gpreg0_masks {
981 	GPREG0_DISSH		= 0xFF000000,
982 	GPREG0_PCIRLMT		= 0x00300000,
983 	GPREG0_PCCNOMUTCLR	= 0x00040000,
984 	GPREG0_LNKINTPOLL	= 0x00001000,
985 	GPREG0_PCCTMR		= 0x00000300,
986 	GPREG0_PHYADDR		= 0x0000001F,
987 };
988 
989 enum jme_gpreg0_vals {
990 	GPREG0_DISSH_DW7	= 0x80000000,
991 	GPREG0_DISSH_DW6	= 0x40000000,
992 	GPREG0_DISSH_DW5	= 0x20000000,
993 	GPREG0_DISSH_DW4	= 0x10000000,
994 	GPREG0_DISSH_DW3	= 0x08000000,
995 	GPREG0_DISSH_DW2	= 0x04000000,
996 	GPREG0_DISSH_DW1	= 0x02000000,
997 	GPREG0_DISSH_DW0	= 0x01000000,
998 	GPREG0_DISSH_ALL	= 0xFF000000,
999 
1000 	GPREG0_PCIRLMT_8	= 0x00000000,
1001 	GPREG0_PCIRLMT_6	= 0x00100000,
1002 	GPREG0_PCIRLMT_5	= 0x00200000,
1003 	GPREG0_PCIRLMT_4	= 0x00300000,
1004 
1005 	GPREG0_PCCTMR_16ns	= 0x00000000,
1006 	GPREG0_PCCTMR_256ns	= 0x00000100,
1007 	GPREG0_PCCTMR_1us	= 0x00000200,
1008 	GPREG0_PCCTMR_1ms	= 0x00000300,
1009 
1010 	GPREG0_PHYADDR_1	= 0x00000001,
1011 
1012 	GPREG0_DEFAULT		= GPREG0_PCIRLMT_4 |
1013 				  GPREG0_PCCTMR_1us |
1014 				  GPREG0_PHYADDR_1,
1015 };
1016 
1017 /*
1018  * General Purpose REG-1
1019  */
1020 enum jme_gpreg1_bit_masks {
1021 	GPREG1_RXCLKOFF		= 0x04000000,
1022 	GPREG1_PCREQN		= 0x00020000,
1023 	GPREG1_HALFMODEPATCH	= 0x00000040, /* For Chip revision 0x11 only */
1024 	GPREG1_RSSPATCH		= 0x00000020, /* For Chip revision 0x11 only */
1025 	GPREG1_INTRDELAYUNIT	= 0x00000018,
1026 	GPREG1_INTRDELAYENABLE	= 0x00000007,
1027 };
1028 
1029 enum jme_gpreg1_vals {
1030 	GPREG1_INTDLYUNIT_16NS	= 0x00000000,
1031 	GPREG1_INTDLYUNIT_256NS	= 0x00000008,
1032 	GPREG1_INTDLYUNIT_1US	= 0x00000010,
1033 	GPREG1_INTDLYUNIT_16US	= 0x00000018,
1034 
1035 	GPREG1_INTDLYEN_1U	= 0x00000001,
1036 	GPREG1_INTDLYEN_2U	= 0x00000002,
1037 	GPREG1_INTDLYEN_3U	= 0x00000003,
1038 	GPREG1_INTDLYEN_4U	= 0x00000004,
1039 	GPREG1_INTDLYEN_5U	= 0x00000005,
1040 	GPREG1_INTDLYEN_6U	= 0x00000006,
1041 	GPREG1_INTDLYEN_7U	= 0x00000007,
1042 
1043 	GPREG1_DEFAULT		= GPREG1_PCREQN,
1044 };
1045 
1046 /*
1047  * Interrupt Status Bits
1048  */
1049 enum jme_interrupt_bits {
1050 	INTR_SWINTR	= 0x80000000,
1051 	INTR_TMINTR	= 0x40000000,
1052 	INTR_LINKCH	= 0x20000000,
1053 	INTR_PAUSERCV	= 0x10000000,
1054 	INTR_MAGICRCV	= 0x08000000,
1055 	INTR_WAKERCV	= 0x04000000,
1056 	INTR_PCCRX0TO	= 0x02000000,
1057 	INTR_PCCRX1TO	= 0x01000000,
1058 	INTR_PCCRX2TO	= 0x00800000,
1059 	INTR_PCCRX3TO	= 0x00400000,
1060 	INTR_PCCTXTO	= 0x00200000,
1061 	INTR_PCCRX0	= 0x00100000,
1062 	INTR_PCCRX1	= 0x00080000,
1063 	INTR_PCCRX2	= 0x00040000,
1064 	INTR_PCCRX3	= 0x00020000,
1065 	INTR_PCCTX	= 0x00010000,
1066 	INTR_RX3EMP	= 0x00008000,
1067 	INTR_RX2EMP	= 0x00004000,
1068 	INTR_RX1EMP	= 0x00002000,
1069 	INTR_RX0EMP	= 0x00001000,
1070 	INTR_RX3	= 0x00000800,
1071 	INTR_RX2	= 0x00000400,
1072 	INTR_RX1	= 0x00000200,
1073 	INTR_RX0	= 0x00000100,
1074 	INTR_TX7	= 0x00000080,
1075 	INTR_TX6	= 0x00000040,
1076 	INTR_TX5	= 0x00000020,
1077 	INTR_TX4	= 0x00000010,
1078 	INTR_TX3	= 0x00000008,
1079 	INTR_TX2	= 0x00000004,
1080 	INTR_TX1	= 0x00000002,
1081 	INTR_TX0	= 0x00000001,
1082 };
1083 
1084 static const u32 INTR_ENABLE = INTR_SWINTR |
1085 				 INTR_TMINTR |
1086 				 INTR_LINKCH |
1087 				 INTR_PCCRX0TO |
1088 				 INTR_PCCRX0 |
1089 				 INTR_PCCTXTO |
1090 				 INTR_PCCTX |
1091 				 INTR_RX0EMP;
1092 
1093 /*
1094  * PCC Control Registers
1095  */
1096 enum jme_pccrx_masks {
1097 	PCCRXTO_MASK	= 0xFFFF0000,
1098 	PCCRX_MASK	= 0x0000FF00,
1099 };
1100 
1101 enum jme_pcctx_masks {
1102 	PCCTXTO_MASK	= 0xFFFF0000,
1103 	PCCTX_MASK	= 0x0000FF00,
1104 	PCCTX_QS_MASK	= 0x000000FF,
1105 };
1106 
1107 enum jme_pccrx_shifts {
1108 	PCCRXTO_SHIFT	= 16,
1109 	PCCRX_SHIFT	= 8,
1110 };
1111 
1112 enum jme_pcctx_shifts {
1113 	PCCTXTO_SHIFT	= 16,
1114 	PCCTX_SHIFT	= 8,
1115 };
1116 
1117 enum jme_pcctx_bits {
1118 	PCCTXQ0_EN	= 0x00000001,
1119 	PCCTXQ1_EN	= 0x00000002,
1120 	PCCTXQ2_EN	= 0x00000004,
1121 	PCCTXQ3_EN	= 0x00000008,
1122 	PCCTXQ4_EN	= 0x00000010,
1123 	PCCTXQ5_EN	= 0x00000020,
1124 	PCCTXQ6_EN	= 0x00000040,
1125 	PCCTXQ7_EN	= 0x00000080,
1126 };
1127 
1128 /*
1129  * Chip Mode Register
1130  */
1131 enum jme_chipmode_bit_masks {
1132 	CM_FPGAVER_MASK		= 0xFFFF0000,
1133 	CM_CHIPREV_MASK		= 0x0000FF00,
1134 	CM_CHIPMODE_MASK	= 0x0000000F,
1135 };
1136 
1137 enum jme_chipmode_shifts {
1138 	CM_FPGAVER_SHIFT	= 16,
1139 	CM_CHIPREV_SHIFT	= 8,
1140 };
1141 
1142 /*
1143  * Aggressive Power Mode Control
1144  */
1145 enum jme_apmc_bits {
1146 	JME_APMC_PCIE_SD_EN	= 0x40000000,
1147 	JME_APMC_PSEUDO_HP_EN	= 0x20000000,
1148 	JME_APMC_EPIEN		= 0x04000000,
1149 	JME_APMC_EPIEN_CTRL	= 0x03000000,
1150 };
1151 
1152 enum jme_apmc_values {
1153 	JME_APMC_EPIEN_CTRL_EN	= 0x02000000,
1154 	JME_APMC_EPIEN_CTRL_DIS	= 0x01000000,
1155 };
1156 
1157 #define APMC_PHP_SHUTDOWN_DELAY	(10 * 1000 * 1000)
1158 
1159 #ifdef REG_DEBUG
1160 static char *MAC_REG_NAME[] = {
1161 	"JME_TXCS",      "JME_TXDBA_LO",  "JME_TXDBA_HI", "JME_TXQDC",
1162 	"JME_TXNDA",     "JME_TXMCS",     "JME_TXPFC",    "JME_TXTRHD",
1163 	"JME_RXCS",      "JME_RXDBA_LO",  "JME_RXDBA_HI", "JME_RXQDC",
1164 	"JME_RXNDA",     "JME_RXMCS",     "JME_RXUMA_LO", "JME_RXUMA_HI",
1165 	"JME_RXMCHT_LO", "JME_RXMCHT_HI", "JME_WFODP",    "JME_WFOI",
1166 	"JME_SMI",       "JME_GHC",       "UNKNOWN",      "UNKNOWN",
1167 	"JME_PMCS"};
1168 
1169 static char *PE_REG_NAME[] = {
1170 	"UNKNOWN",      "UNKNOWN",     "UNKNOWN",    "UNKNOWN",
1171 	"UNKNOWN",      "UNKNOWN",     "UNKNOWN",    "UNKNOWN",
1172 	"UNKNOWN",      "UNKNOWN",     "JME_PHY_CS", "UNKNOWN",
1173 	"JME_PHY_LINK", "UNKNOWN",     "UNKNOWN",    "UNKNOWN",
1174 	"JME_SMBCSR",   "JME_SMBINTF"};
1175 
1176 static char *MISC_REG_NAME[] = {
1177 	"JME_TMCSR",  "JME_GPIO",     "JME_GPREG0",  "JME_GPREG1",
1178 	"JME_IEVE",   "JME_IREQ",     "JME_IENS",    "JME_IENC",
1179 	"JME_PCCRX0", "JME_PCCRX1",   "JME_PCCRX2",  "JME_PCCRX3",
1180 	"JME_PCCTX0", "JME_CHIPMODE", "JME_SHBA_HI", "JME_SHBA_LO",
1181 	"UNKNOWN",    "UNKNOWN",      "UNKNOWN",     "UNKNOWN",
1182 	"UNKNOWN",    "UNKNOWN",      "UNKNOWN",     "UNKNOWN",
1183 	"UNKNOWN",    "UNKNOWN",      "UNKNOWN",     "UNKNOWN",
1184 	"JME_TIMER1", "JME_TIMER2",   "UNKNOWN",     "JME_APMC",
1185 	"JME_PCCSRX0"};
1186 
1187 static inline void reg_dbg(const struct jme_adapter *jme,
1188 		const char *msg, u32 val, u32 reg)
1189 {
1190 	const char *regname;
1191 	switch (reg & 0xF00) {
1192 	case 0x000:
1193 		regname = MAC_REG_NAME[(reg & 0xFF) >> 2];
1194 		break;
1195 	case 0x400:
1196 		regname = PE_REG_NAME[(reg & 0xFF) >> 2];
1197 		break;
1198 	case 0x800:
1199 		regname = MISC_REG_NAME[(reg & 0xFF) >> 2];
1200 		break;
1201 	default:
1202 		regname = PE_REG_NAME[0];
1203 	}
1204 	printk(KERN_DEBUG "%s: %-20s %08x@%s\n", jme->dev->name,
1205 			msg, val, regname);
1206 }
1207 #else
1208 static inline void reg_dbg(const struct jme_adapter *jme,
1209 		const char *msg, u32 val, u32 reg) {}
1210 #endif
1211 
1212 /*
1213  * Read/Write MMaped I/O Registers
1214  */
1215 static inline u32 jread32(struct jme_adapter *jme, u32 reg)
1216 {
1217 	return readl(jme->regs + reg);
1218 }
1219 
1220 static inline void jwrite32(struct jme_adapter *jme, u32 reg, u32 val)
1221 {
1222 	reg_dbg(jme, "REG WRITE", val, reg);
1223 	writel(val, jme->regs + reg);
1224 	reg_dbg(jme, "VAL AFTER WRITE", readl(jme->regs + reg), reg);
1225 }
1226 
1227 static inline void jwrite32f(struct jme_adapter *jme, u32 reg, u32 val)
1228 {
1229 	/*
1230 	 * Read after write should cause flush
1231 	 */
1232 	reg_dbg(jme, "REG WRITE FLUSH", val, reg);
1233 	writel(val, jme->regs + reg);
1234 	readl(jme->regs + reg);
1235 	reg_dbg(jme, "VAL AFTER WRITE", readl(jme->regs + reg), reg);
1236 }
1237 
1238 /*
1239  * PHY Regs
1240  */
1241 enum jme_phy_reg17_bit_masks {
1242 	PREG17_SPEED		= 0xC000,
1243 	PREG17_DUPLEX		= 0x2000,
1244 	PREG17_SPDRSV		= 0x0800,
1245 	PREG17_LNKUP		= 0x0400,
1246 	PREG17_MDI		= 0x0040,
1247 };
1248 
1249 enum jme_phy_reg17_vals {
1250 	PREG17_SPEED_10M	= 0x0000,
1251 	PREG17_SPEED_100M	= 0x4000,
1252 	PREG17_SPEED_1000M	= 0x8000,
1253 };
1254 
1255 #define BMSR_ANCOMP               0x0020
1256 
1257 /*
1258  * Workaround
1259  */
1260 static inline int is_buggy250(unsigned short device, u8 chiprev)
1261 {
1262 	return device == PCI_DEVICE_ID_JMICRON_JMC250 && chiprev == 0x11;
1263 }
1264 
1265 static inline int new_phy_power_ctrl(u8 chip_main_rev)
1266 {
1267 	return chip_main_rev >= 5;
1268 }
1269 
1270 /*
1271  * Function prototypes
1272  */
1273 static int jme_set_link_ksettings(struct net_device *netdev,
1274 				  const struct ethtool_link_ksettings *cmd);
1275 static void jme_set_unicastaddr(struct net_device *netdev);
1276 static void jme_set_multi(struct net_device *netdev);
1277 
1278 #endif
1279