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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 "1.0.8.2-jmmod" | |
31 | #define PFX DRV_NAME ": " | |
32 | ||
33 | #define PCI_DEVICE_ID_JMICRON_JMC250 0x0250 | |
34 | #define PCI_DEVICE_ID_JMICRON_JMC260 0x0260 | |
35 | ||
36 | /* | |
37 | * Message related definitions | |
38 | */ | |
39 | #define JME_DEF_MSG_ENABLE \ | |
40 | (NETIF_MSG_PROBE | \ | |
41 | NETIF_MSG_LINK | \ | |
42 | NETIF_MSG_RX_ERR | \ | |
43 | NETIF_MSG_TX_ERR | \ | |
44 | NETIF_MSG_HW) | |
45 | ||
46 | #ifndef pr_err | |
47 | #define pr_err(fmt, arg...) \ | |
48 | printk(KERN_ERR fmt, ##arg) | |
49 | #endif | |
50 | #ifndef netdev_err | |
51 | #define netdev_err(netdev, fmt, arg...) \ | |
52 | pr_err(fmt, ##arg) | |
53 | #endif | |
54 | ||
55 | #ifdef TX_DEBUG | |
56 | #define tx_dbg(priv, fmt, args...) \ | |
57 | printk(KERN_DEBUG "%s: " fmt, (priv)->dev->name, ##args) | |
58 | #else | |
59 | #define tx_dbg(priv, fmt, args...) \ | |
60 | do { \ | |
61 | if (0) \ | |
62 | printk(KERN_DEBUG "%s: " fmt, (priv)->dev->name, ##args); \ | |
63 | } while (0) | |
64 | #endif | |
65 | ||
66 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,33) | |
67 | #define jme_msg(msglvl, type, priv, fmt, args...) \ | |
68 | if (netif_msg_##type(priv)) \ | |
69 | printk(msglvl "%s: " fmt, (priv)->dev->name, ## args) | |
70 | ||
71 | #define msg_probe(priv, fmt, args...) \ | |
72 | jme_msg(KERN_INFO, probe, priv, fmt, ## args) | |
73 | ||
74 | #define msg_link(priv, fmt, args...) \ | |
75 | jme_msg(KERN_INFO, link, priv, fmt, ## args) | |
76 | ||
77 | #define msg_intr(priv, fmt, args...) \ | |
78 | jme_msg(KERN_INFO, intr, priv, fmt, ## args) | |
79 | ||
80 | #define msg_rx_err(priv, fmt, args...) \ | |
81 | jme_msg(KERN_ERR, rx_err, priv, fmt, ## args) | |
82 | ||
83 | #define msg_rx_status(priv, fmt, args...) \ | |
84 | jme_msg(KERN_INFO, rx_status, priv, fmt, ## args) | |
85 | ||
86 | #define msg_tx_err(priv, fmt, args...) \ | |
87 | jme_msg(KERN_ERR, tx_err, priv, fmt, ## args) | |
88 | ||
89 | #define msg_tx_done(priv, fmt, args...) \ | |
90 | jme_msg(KERN_INFO, tx_done, priv, fmt, ## args) | |
91 | ||
92 | #define msg_tx_queued(priv, fmt, args...) \ | |
93 | jme_msg(KERN_INFO, tx_queued, priv, fmt, ## args) | |
94 | ||
95 | #define msg_hw(priv, fmt, args...) \ | |
96 | jme_msg(KERN_ERR, hw, priv, fmt, ## args) | |
97 | ||
98 | #ifndef netif_info | |
99 | #define netif_info(priv, type, dev, fmt, args...) \ | |
100 | msg_ ## type(priv, fmt, ## args) | |
101 | #endif | |
102 | #ifndef netif_err | |
103 | #define netif_err(priv, type, dev, fmt, args...) \ | |
104 | msg_ ## type(priv, fmt, ## args) | |
105 | #endif | |
106 | #endif | |
107 | ||
108 | #ifndef NETIF_F_TSO6 | |
109 | #define NETIF_F_TSO6 0 | |
110 | #endif | |
111 | #ifndef NETIF_F_IPV6_CSUM | |
112 | #define NETIF_F_IPV6_CSUM 0 | |
113 | #endif | |
114 | ||
115 | /* | |
116 | * Extra PCI Configuration space interface | |
117 | */ | |
118 | #define PCI_DCSR_MRRS 0x59 | |
119 | #define PCI_DCSR_MRRS_MASK 0x70 | |
120 | ||
121 | enum pci_dcsr_mrrs_vals { | |
122 | MRRS_128B = 0x00, | |
123 | MRRS_256B = 0x10, | |
124 | MRRS_512B = 0x20, | |
125 | MRRS_1024B = 0x30, | |
126 | MRRS_2048B = 0x40, | |
127 | MRRS_4096B = 0x50, | |
128 | }; | |
129 | ||
130 | #define PCI_SPI 0xB0 | |
131 | ||
132 | enum pci_spi_bits { | |
133 | SPI_EN = 0x10, | |
134 | SPI_MISO = 0x08, | |
135 | SPI_MOSI = 0x04, | |
136 | SPI_SCLK = 0x02, | |
137 | SPI_CS = 0x01, | |
138 | }; | |
139 | ||
140 | struct jme_spi_op { | |
141 | void __user *uwbuf; | |
142 | void __user *urbuf; | |
143 | __u8 wn; /* Number of write actions */ | |
144 | __u8 rn; /* Number of read actions */ | |
145 | __u8 bitn; /* Number of bits per action */ | |
146 | __u8 spd; /* The maxim acceptable speed of controller, in MHz.*/ | |
147 | __u8 mode; /* CPOL, CPHA, and Duplex mode of SPI */ | |
148 | ||
149 | /* Internal use only */ | |
150 | u8 *kwbuf; | |
151 | u8 *krbuf; | |
152 | u8 sr; | |
153 | u16 halfclk; /* Half of clock cycle calculated from spd, in ns */ | |
154 | }; | |
155 | ||
156 | enum jme_spi_op_bits { | |
157 | SPI_MODE_CPHA = 0x01, | |
158 | SPI_MODE_CPOL = 0x02, | |
159 | SPI_MODE_DUP = 0x80, | |
160 | }; | |
161 | ||
162 | #define HALF_US 500 /* 500 ns */ | |
163 | #define JMESPIIOCTL SIOCDEVPRIVATE | |
164 | ||
165 | #define PCI_PRIV_PE1 0xE4 | |
166 | ||
167 | enum pci_priv_pe1_bit_masks { | |
168 | PE1_ASPMSUPRT = 0x00000003, /* | |
169 | * RW: | |
170 | * Aspm_support[1:0] | |
171 | * (R/W Port of 5C[11:10]) | |
172 | */ | |
173 | PE1_MULTIFUN = 0x00000004, /* RW: Multi_fun_bit */ | |
174 | PE1_RDYDMA = 0x00000008, /* RO: ~link.rdy_for_dma */ | |
175 | PE1_ASPMOPTL = 0x00000030, /* RW: link.rx10s_option[1:0] */ | |
176 | PE1_ASPMOPTH = 0x000000C0, /* RW: 10_req=[3]?HW:[2] */ | |
177 | PE1_GPREG0 = 0x0000FF00, /* | |
178 | * SRW: | |
179 | * Cfg_gp_reg0 | |
180 | * [7:6] phy_giga BG control | |
181 | * [5] CREQ_N as CREQ_N1 (CPPE# as CREQ#) | |
182 | * [4:0] Reserved | |
183 | */ | |
184 | PE1_GPREG0_PBG = 0x0000C000, /* phy_giga BG control */ | |
185 | PE1_GPREG1 = 0x00FF0000, /* RW: Cfg_gp_reg1 */ | |
186 | PE1_REVID = 0xFF000000, /* RO: Rev ID */ | |
187 | }; | |
188 | ||
189 | enum pci_priv_pe1_values { | |
190 | PE1_GPREG0_ENBG = 0x00000000, /* en BG */ | |
191 | PE1_GPREG0_PDD3COLD = 0x00004000, /* giga_PD + d3cold */ | |
192 | PE1_GPREG0_PDPCIESD = 0x00008000, /* giga_PD + pcie_shutdown */ | |
193 | PE1_GPREG0_PDPCIEIDDQ = 0x0000C000, /* giga_PD + pcie_iddq */ | |
194 | }; | |
195 | ||
196 | /* | |
197 | * Dynamic(adaptive)/Static PCC values | |
198 | */ | |
199 | enum dynamic_pcc_values { | |
200 | PCC_OFF = 0, | |
201 | PCC_P1 = 1, | |
202 | PCC_P2 = 2, | |
203 | PCC_P3 = 3, | |
204 | ||
205 | PCC_OFF_TO = 0, | |
206 | PCC_P1_TO = 1, | |
207 | PCC_P2_TO = 64, | |
208 | PCC_P3_TO = 128, | |
209 | ||
210 | PCC_OFF_CNT = 0, | |
211 | PCC_P1_CNT = 1, | |
212 | PCC_P2_CNT = 16, | |
213 | PCC_P3_CNT = 32, | |
214 | }; | |
215 | struct dynpcc_info { | |
216 | unsigned long last_bytes; | |
217 | unsigned long last_pkts; | |
218 | unsigned long intr_cnt; | |
219 | unsigned char cur; | |
220 | unsigned char attempt; | |
221 | unsigned char cnt; | |
222 | }; | |
223 | #define PCC_INTERVAL_US 100000 | |
224 | #define PCC_INTERVAL (HZ / (1000000 / PCC_INTERVAL_US)) | |
225 | #define PCC_P3_THRESHOLD (2 * 1024 * 1024) | |
226 | #define PCC_P2_THRESHOLD 800 | |
227 | #define PCC_INTR_THRESHOLD 800 | |
228 | #define PCC_TX_TO 1000 | |
229 | #define PCC_TX_CNT 8 | |
230 | ||
231 | /* | |
232 | * TX/RX Descriptors | |
233 | * | |
234 | * TX/RX Ring DESC Count Must be multiple of 16 and <= 1024 | |
235 | */ | |
236 | #define RING_DESC_ALIGN 16 /* Descriptor alignment */ | |
237 | #define TX_DESC_SIZE 16 | |
238 | #define TX_RING_NR 8 | |
239 | #define TX_RING_ALLOC_SIZE(s) ((s * TX_DESC_SIZE) + RING_DESC_ALIGN) | |
240 | ||
241 | struct txdesc { | |
242 | union { | |
243 | __u8 all[16]; | |
244 | __le32 dw[4]; | |
245 | struct { | |
246 | /* DW0 */ | |
247 | __le16 vlan; | |
248 | __u8 rsv1; | |
249 | __u8 flags; | |
250 | ||
251 | /* DW1 */ | |
252 | __le16 datalen; | |
253 | __le16 mss; | |
254 | ||
255 | /* DW2 */ | |
256 | __le16 pktsize; | |
257 | __le16 rsv2; | |
258 | ||
259 | /* DW3 */ | |
260 | __le32 bufaddr; | |
261 | } desc1; | |
262 | struct { | |
263 | /* DW0 */ | |
264 | __le16 rsv1; | |
265 | __u8 rsv2; | |
266 | __u8 flags; | |
267 | ||
268 | /* DW1 */ | |
269 | __le16 datalen; | |
270 | __le16 rsv3; | |
271 | ||
272 | /* DW2 */ | |
273 | __le32 bufaddrh; | |
274 | ||
275 | /* DW3 */ | |
276 | __le32 bufaddrl; | |
277 | } desc2; | |
278 | struct { | |
279 | /* DW0 */ | |
280 | __u8 ehdrsz; | |
281 | __u8 rsv1; | |
282 | __u8 rsv2; | |
283 | __u8 flags; | |
284 | ||
285 | /* DW1 */ | |
286 | __le16 trycnt; | |
287 | __le16 segcnt; | |
288 | ||
289 | /* DW2 */ | |
290 | __le16 pktsz; | |
291 | __le16 rsv3; | |
292 | ||
293 | /* DW3 */ | |
294 | __le32 bufaddrl; | |
295 | } descwb; | |
296 | }; | |
297 | }; | |
298 | ||
299 | enum jme_txdesc_flags_bits { | |
300 | TXFLAG_OWN = 0x80, | |
301 | TXFLAG_INT = 0x40, | |
302 | TXFLAG_64BIT = 0x20, | |
303 | TXFLAG_TCPCS = 0x10, | |
304 | TXFLAG_UDPCS = 0x08, | |
305 | TXFLAG_IPCS = 0x04, | |
306 | TXFLAG_LSEN = 0x02, | |
307 | TXFLAG_TAGON = 0x01, | |
308 | }; | |
309 | ||
310 | #define TXDESC_MSS_SHIFT 2 | |
311 | enum jme_txwbdesc_flags_bits { | |
312 | TXWBFLAG_OWN = 0x80, | |
313 | TXWBFLAG_INT = 0x40, | |
314 | TXWBFLAG_TMOUT = 0x20, | |
315 | TXWBFLAG_TRYOUT = 0x10, | |
316 | TXWBFLAG_COL = 0x08, | |
317 | ||
318 | TXWBFLAG_ALLERR = TXWBFLAG_TMOUT | | |
319 | TXWBFLAG_TRYOUT | | |
320 | TXWBFLAG_COL, | |
321 | }; | |
322 | ||
323 | #define RX_DESC_SIZE 16 | |
324 | #define RX_RING_NR 4 | |
325 | #define RX_RING_ALLOC_SIZE(s) ((s * RX_DESC_SIZE) + RING_DESC_ALIGN) | |
326 | #define RX_BUF_DMA_ALIGN 8 | |
327 | #define RX_PREPAD_SIZE 10 | |
328 | #define ETH_CRC_LEN 2 | |
329 | #define RX_VLANHDR_LEN 2 | |
330 | #define RX_EXTRA_LEN (RX_PREPAD_SIZE + \ | |
331 | ETH_HLEN + \ | |
332 | ETH_CRC_LEN + \ | |
333 | RX_VLANHDR_LEN + \ | |
334 | RX_BUF_DMA_ALIGN) | |
335 | ||
336 | struct rxdesc { | |
337 | union { | |
338 | __u8 all[16]; | |
339 | __le32 dw[4]; | |
340 | struct { | |
341 | /* DW0 */ | |
342 | __le16 rsv2; | |
343 | __u8 rsv1; | |
344 | __u8 flags; | |
345 | ||
346 | /* DW1 */ | |
347 | __le16 datalen; | |
348 | __le16 wbcpl; | |
349 | ||
350 | /* DW2 */ | |
351 | __le32 bufaddrh; | |
352 | ||
353 | /* DW3 */ | |
354 | __le32 bufaddrl; | |
355 | } desc1; | |
356 | struct { | |
357 | /* DW0 */ | |
358 | __le16 vlan; | |
359 | __le16 flags; | |
360 | ||
361 | /* DW1 */ | |
362 | __le16 framesize; | |
363 | __u8 errstat; | |
364 | __u8 desccnt; | |
365 | ||
366 | /* DW2 */ | |
367 | __le32 rsshash; | |
368 | ||
369 | /* DW3 */ | |
370 | __u8 hashfun; | |
371 | __u8 hashtype; | |
372 | __le16 resrv; | |
373 | } descwb; | |
374 | }; | |
375 | }; | |
376 | ||
377 | enum jme_rxdesc_flags_bits { | |
378 | RXFLAG_OWN = 0x80, | |
379 | RXFLAG_INT = 0x40, | |
380 | RXFLAG_64BIT = 0x20, | |
381 | }; | |
382 | ||
383 | enum jme_rxwbdesc_flags_bits { | |
384 | RXWBFLAG_OWN = 0x8000, | |
385 | RXWBFLAG_INT = 0x4000, | |
386 | RXWBFLAG_MF = 0x2000, | |
387 | RXWBFLAG_64BIT = 0x2000, | |
388 | RXWBFLAG_TCPON = 0x1000, | |
389 | RXWBFLAG_UDPON = 0x0800, | |
390 | RXWBFLAG_IPCS = 0x0400, | |
391 | RXWBFLAG_TCPCS = 0x0200, | |
392 | RXWBFLAG_UDPCS = 0x0100, | |
393 | RXWBFLAG_TAGON = 0x0080, | |
394 | RXWBFLAG_IPV4 = 0x0040, | |
395 | RXWBFLAG_IPV6 = 0x0020, | |
396 | RXWBFLAG_PAUSE = 0x0010, | |
397 | RXWBFLAG_MAGIC = 0x0008, | |
398 | RXWBFLAG_WAKEUP = 0x0004, | |
399 | RXWBFLAG_DEST = 0x0003, | |
400 | RXWBFLAG_DEST_UNI = 0x0001, | |
401 | RXWBFLAG_DEST_MUL = 0x0002, | |
402 | RXWBFLAG_DEST_BRO = 0x0003, | |
403 | }; | |
404 | ||
405 | enum jme_rxwbdesc_desccnt_mask { | |
406 | RXWBDCNT_WBCPL = 0x80, | |
407 | RXWBDCNT_DCNT = 0x7F, | |
408 | }; | |
409 | ||
410 | enum jme_rxwbdesc_errstat_bits { | |
411 | RXWBERR_LIMIT = 0x80, | |
412 | RXWBERR_MIIER = 0x40, | |
413 | RXWBERR_NIBON = 0x20, | |
414 | RXWBERR_COLON = 0x10, | |
415 | RXWBERR_ABORT = 0x08, | |
416 | RXWBERR_SHORT = 0x04, | |
417 | RXWBERR_OVERUN = 0x02, | |
418 | RXWBERR_CRCERR = 0x01, | |
419 | RXWBERR_ALLERR = 0xFF, | |
420 | }; | |
421 | ||
422 | /* | |
423 | * Buffer information corresponding to ring descriptors. | |
424 | */ | |
425 | struct jme_buffer_info { | |
426 | struct sk_buff *skb; | |
427 | dma_addr_t mapping; | |
428 | int len; | |
429 | int nr_desc; | |
430 | unsigned long start_xmit; | |
431 | }; | |
432 | ||
433 | /* | |
434 | * The structure holding buffer information and ring descriptors all together. | |
435 | */ | |
436 | struct jme_ring { | |
437 | void *alloc; /* pointer to allocated memory */ | |
438 | void *desc; /* pointer to ring memory */ | |
439 | dma_addr_t dmaalloc; /* phys address of ring alloc */ | |
440 | dma_addr_t dma; /* phys address for ring dma */ | |
441 | ||
442 | /* Buffer information corresponding to each descriptor */ | |
443 | struct jme_buffer_info *bufinf; | |
444 | ||
445 | int next_to_use; | |
446 | atomic_t next_to_clean; | |
447 | atomic_t nr_free; | |
448 | }; | |
449 | ||
450 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,18) | |
451 | #define false 0 | |
452 | #define true 0 | |
453 | #define netdev_alloc_skb(dev, len) dev_alloc_skb(len) | |
454 | #define PCI_VENDOR_ID_JMICRON 0x197B | |
455 | #endif | |
456 | ||
457 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,19) | |
458 | #define PCI_VDEVICE(vendor, device) \ | |
459 | PCI_VENDOR_ID_##vendor, (device), \ | |
460 | PCI_ANY_ID, PCI_ANY_ID, 0, 0 | |
461 | #endif | |
462 | ||
463 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,21) | |
464 | #define NET_STAT(priv) priv->stats | |
465 | #define NETDEV_GET_STATS(netdev, fun_ptr) \ | |
466 | netdev->get_stats = fun_ptr | |
467 | #define DECLARE_NET_DEVICE_STATS struct net_device_stats stats; | |
468 | /* | |
469 | * CentOS 5.2 have *_hdr helpers back-ported | |
470 | */ | |
471 | #ifdef RHEL_RELEASE_CODE | |
472 | #if RHEL_RELEASE_CODE < RHEL_RELEASE_VERSION(5,2) | |
473 | #define __DEFINE_IPHDR_HELPERS__ | |
474 | #endif | |
475 | #else | |
476 | #define __DEFINE_IPHDR_HELPERS__ | |
477 | #endif | |
478 | #else | |
479 | #define NET_STAT(priv) (priv->dev->stats) | |
480 | #define NETDEV_GET_STATS(netdev, fun_ptr) | |
481 | #define DECLARE_NET_DEVICE_STATS | |
482 | #endif | |
483 | ||
484 | #ifdef __DEFINE_IPHDR_HELPERS__ | |
485 | static inline struct iphdr *ip_hdr(const struct sk_buff *skb) | |
486 | { | |
487 | return skb->nh.iph; | |
488 | } | |
489 | ||
490 | static inline struct ipv6hdr *ipv6_hdr(const struct sk_buff *skb) | |
491 | { | |
492 | return skb->nh.ipv6h; | |
493 | } | |
494 | ||
495 | static inline struct tcphdr *tcp_hdr(const struct sk_buff *skb) | |
496 | { | |
497 | return skb->h.th; | |
498 | } | |
499 | #endif | |
500 | ||
501 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,23) | |
502 | #define DECLARE_NAPI_STRUCT | |
503 | #define NETIF_NAPI_SET(dev, napis, pollfn, q) \ | |
504 | dev->poll = pollfn; \ | |
505 | dev->weight = q; | |
506 | #define JME_NAPI_HOLDER(holder) struct net_device *holder | |
507 | #define JME_NAPI_WEIGHT(w) int *w | |
508 | #define JME_NAPI_WEIGHT_VAL(w) *w | |
509 | #define JME_NAPI_WEIGHT_SET(w, r) *w = r | |
510 | #define DECLARE_NETDEV struct net_device *netdev = jme->dev; | |
511 | #define JME_RX_COMPLETE(dev, napis) netif_rx_complete(dev) | |
512 | #define JME_NAPI_ENABLE(priv) netif_poll_enable(priv->dev); | |
513 | #define JME_NAPI_DISABLE(priv) netif_poll_disable(priv->dev); | |
514 | #define JME_RX_SCHEDULE_PREP(priv) \ | |
515 | netif_rx_schedule_prep(priv->dev) | |
516 | #define JME_RX_SCHEDULE(priv) \ | |
517 | __netif_rx_schedule(priv->dev); | |
518 | #else | |
519 | #define DECLARE_NAPI_STRUCT struct napi_struct napi; | |
520 | #define NETIF_NAPI_SET(dev, napis, pollfn, q) \ | |
521 | netif_napi_add(dev, napis, pollfn, q); | |
522 | #define JME_NAPI_HOLDER(holder) struct napi_struct *holder | |
523 | #define JME_NAPI_WEIGHT(w) int w | |
524 | #define JME_NAPI_WEIGHT_VAL(w) w | |
525 | #define JME_NAPI_WEIGHT_SET(w, r) | |
526 | #define DECLARE_NETDEV | |
527 | #define JME_RX_COMPLETE(dev, napis) napi_complete(napis) | |
528 | #define JME_NAPI_ENABLE(priv) napi_enable(&priv->napi); | |
529 | #define JME_NAPI_DISABLE(priv) \ | |
530 | if (!napi_disable_pending(&priv->napi)) \ | |
531 | napi_disable(&priv->napi); | |
532 | #define JME_RX_SCHEDULE_PREP(priv) \ | |
533 | napi_schedule_prep(&priv->napi) | |
534 | #define JME_RX_SCHEDULE(priv) \ | |
535 | __napi_schedule(&priv->napi); | |
536 | #endif | |
537 | ||
538 | #if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,38) | |
539 | #define JME_NEW_PM_API | |
540 | #endif | |
541 | ||
542 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,26) | |
543 | static inline __u32 ethtool_cmd_speed(struct ethtool_cmd *ep) | |
544 | { | |
545 | return ep->speed; | |
546 | } | |
547 | #endif | |
548 | ||
549 | /* | |
550 | * Jmac Adapter Private data | |
551 | */ | |
552 | struct jme_adapter { | |
553 | struct pci_dev *pdev; | |
554 | struct net_device *dev; | |
555 | void __iomem *regs; | |
556 | struct mii_if_info mii_if; | |
557 | struct jme_ring rxring[RX_RING_NR]; | |
558 | struct jme_ring txring[TX_RING_NR]; | |
559 | spinlock_t phy_lock; | |
560 | spinlock_t macaddr_lock; | |
561 | spinlock_t rxmcs_lock; | |
562 | struct tasklet_struct rxempty_task; | |
563 | struct tasklet_struct rxclean_task; | |
564 | struct tasklet_struct txclean_task; | |
565 | struct tasklet_struct linkch_task; | |
566 | struct tasklet_struct pcc_task; | |
567 | unsigned long flags; | |
568 | u32 reg_txcs; | |
569 | u32 reg_txpfc; | |
570 | u32 reg_rxcs; | |
571 | u32 reg_rxmcs; | |
572 | u32 reg_ghc; | |
573 | u32 reg_pmcs; | |
574 | u32 reg_gpreg1; | |
575 | u32 phylink; | |
576 | u32 tx_ring_size; | |
577 | u32 tx_ring_mask; | |
578 | u32 tx_wake_threshold; | |
579 | u32 rx_ring_size; | |
580 | u32 rx_ring_mask; | |
581 | u8 mrrs; | |
582 | unsigned int fpgaver; | |
583 | u8 chiprev; | |
584 | u8 chip_main_rev; | |
585 | u8 chip_sub_rev; | |
586 | u8 pcirev; | |
587 | u32 msg_enable; | |
588 | struct ethtool_cmd old_ecmd; | |
589 | unsigned int old_mtu; | |
590 | struct vlan_group *vlgrp; | |
591 | struct dynpcc_info dpi; | |
592 | atomic_t intr_sem; | |
593 | atomic_t link_changing; | |
594 | atomic_t tx_cleaning; | |
595 | atomic_t rx_cleaning; | |
596 | atomic_t rx_empty; | |
597 | int (*jme_rx)(struct sk_buff *skb); | |
598 | int (*jme_vlan_rx)(struct sk_buff *skb, | |
599 | struct vlan_group *grp, | |
600 | unsigned short vlan_tag); | |
601 | DECLARE_NAPI_STRUCT | |
602 | DECLARE_NET_DEVICE_STATS | |
603 | }; | |
604 | ||
605 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,21) | |
606 | static struct net_device_stats * | |
607 | jme_get_stats(struct net_device *netdev) | |
608 | { | |
609 | struct jme_adapter *jme = netdev_priv(netdev); | |
610 | return &jme->stats; | |
611 | } | |
612 | #endif | |
613 | ||
614 | enum jme_flags_bits { | |
615 | JME_FLAG_MSI = 1, | |
616 | JME_FLAG_SSET = 2, | |
617 | JME_FLAG_TXCSUM = 3, | |
618 | JME_FLAG_TSO = 4, | |
619 | JME_FLAG_POLL = 5, | |
620 | JME_FLAG_SHUTDOWN = 6, | |
621 | }; | |
622 | ||
623 | #define TX_TIMEOUT (5 * HZ) | |
624 | #define JME_REG_LEN 0x500 | |
625 | #define MAX_ETHERNET_JUMBO_PACKET_SIZE 9216 | |
626 | ||
627 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,23) | |
628 | static inline struct jme_adapter* | |
629 | jme_napi_priv(struct net_device *holder) | |
630 | { | |
631 | struct jme_adapter *jme; | |
632 | jme = netdev_priv(holder); | |
633 | return jme; | |
634 | } | |
635 | #else | |
636 | static inline struct jme_adapter* | |
637 | jme_napi_priv(struct napi_struct *napi) | |
638 | { | |
639 | struct jme_adapter *jme; | |
640 | jme = container_of(napi, struct jme_adapter, napi); | |
641 | return jme; | |
642 | } | |
643 | #endif | |
644 | ||
645 | /* | |
646 | * MMaped I/O Resters | |
647 | */ | |
648 | enum jme_iomap_offsets { | |
649 | JME_MAC = 0x0000, | |
650 | JME_PHY = 0x0400, | |
651 | JME_MISC = 0x0800, | |
652 | JME_RSS = 0x0C00, | |
653 | }; | |
654 | ||
655 | enum jme_iomap_lens { | |
656 | JME_MAC_LEN = 0x80, | |
657 | JME_PHY_LEN = 0x58, | |
658 | JME_MISC_LEN = 0x98, | |
659 | JME_RSS_LEN = 0xFF, | |
660 | }; | |
661 | ||
662 | enum jme_iomap_regs { | |
663 | JME_TXCS = JME_MAC | 0x00, /* Transmit Control and Status */ | |
664 | JME_TXDBA_LO = JME_MAC | 0x04, /* Transmit Queue Desc Base Addr */ | |
665 | JME_TXDBA_HI = JME_MAC | 0x08, /* Transmit Queue Desc Base Addr */ | |
666 | JME_TXQDC = JME_MAC | 0x0C, /* Transmit Queue Desc Count */ | |
667 | JME_TXNDA = JME_MAC | 0x10, /* Transmit Queue Next Desc Addr */ | |
668 | JME_TXMCS = JME_MAC | 0x14, /* Transmit MAC Control Status */ | |
669 | JME_TXPFC = JME_MAC | 0x18, /* Transmit Pause Frame Control */ | |
670 | JME_TXTRHD = JME_MAC | 0x1C, /* Transmit Timer/Retry@Half-Dup */ | |
671 | ||
672 | JME_RXCS = JME_MAC | 0x20, /* Receive Control and Status */ | |
673 | JME_RXDBA_LO = JME_MAC | 0x24, /* Receive Queue Desc Base Addr */ | |
674 | JME_RXDBA_HI = JME_MAC | 0x28, /* Receive Queue Desc Base Addr */ | |
675 | JME_RXQDC = JME_MAC | 0x2C, /* Receive Queue Desc Count */ | |
676 | JME_RXNDA = JME_MAC | 0x30, /* Receive Queue Next Desc Addr */ | |
677 | JME_RXMCS = JME_MAC | 0x34, /* Receive MAC Control Status */ | |
678 | JME_RXUMA_LO = JME_MAC | 0x38, /* Receive Unicast MAC Address */ | |
679 | JME_RXUMA_HI = JME_MAC | 0x3C, /* Receive Unicast MAC Address */ | |
680 | JME_RXMCHT_LO = JME_MAC | 0x40, /* Recv Multicast Addr HashTable */ | |
681 | JME_RXMCHT_HI = JME_MAC | 0x44, /* Recv Multicast Addr HashTable */ | |
682 | JME_WFODP = JME_MAC | 0x48, /* Wakeup Frame Output Data Port */ | |
683 | JME_WFOI = JME_MAC | 0x4C, /* Wakeup Frame Output Interface */ | |
684 | ||
685 | JME_SMI = JME_MAC | 0x50, /* Station Management Interface */ | |
686 | JME_GHC = JME_MAC | 0x54, /* Global Host Control */ | |
687 | JME_PMCS = JME_MAC | 0x60, /* Power Management Control/Stat */ | |
688 | ||
689 | ||
690 | JME_PHY_PWR = JME_PHY | 0x24, /* New PHY Power Ctrl Register */ | |
691 | JME_PHY_CS = JME_PHY | 0x28, /* PHY Ctrl and Status Register */ | |
692 | JME_PHY_LINK = JME_PHY | 0x30, /* PHY Link Status Register */ | |
693 | JME_SMBCSR = JME_PHY | 0x40, /* SMB Control and Status */ | |
694 | JME_SMBINTF = JME_PHY | 0x44, /* SMB Interface */ | |
695 | ||
696 | ||
697 | JME_TMCSR = JME_MISC | 0x00, /* Timer Control/Status Register */ | |
698 | JME_GPREG0 = JME_MISC | 0x08, /* General purpose REG-0 */ | |
699 | JME_GPREG1 = JME_MISC | 0x0C, /* General purpose REG-1 */ | |
700 | JME_IEVE = JME_MISC | 0x20, /* Interrupt Event Status */ | |
701 | JME_IREQ = JME_MISC | 0x24, /* Intr Req Status(For Debug) */ | |
702 | JME_IENS = JME_MISC | 0x28, /* Intr Enable - Setting Port */ | |
703 | JME_IENC = JME_MISC | 0x2C, /* Interrupt Enable - Clear Port */ | |
704 | JME_PCCRX0 = JME_MISC | 0x30, /* PCC Control for RX Queue 0 */ | |
705 | JME_PCCTX = JME_MISC | 0x40, /* PCC Control for TX Queues */ | |
706 | JME_CHIPMODE = JME_MISC | 0x44, /* Identify FPGA Version */ | |
707 | JME_SHBA_HI = JME_MISC | 0x48, /* Shadow Register Base HI */ | |
708 | JME_SHBA_LO = JME_MISC | 0x4C, /* Shadow Register Base LO */ | |
709 | JME_TIMER1 = JME_MISC | 0x70, /* Timer1 */ | |
710 | JME_TIMER2 = JME_MISC | 0x74, /* Timer2 */ | |
711 | JME_APMC = JME_MISC | 0x7C, /* Aggressive Power Mode Control */ | |
712 | JME_PCCSRX0 = JME_MISC | 0x80, /* PCC Status of RX0 */ | |
713 | }; | |
714 | ||
715 | /* | |
716 | * TX Control/Status Bits | |
717 | */ | |
718 | enum jme_txcs_bits { | |
719 | TXCS_QUEUE7S = 0x00008000, | |
720 | TXCS_QUEUE6S = 0x00004000, | |
721 | TXCS_QUEUE5S = 0x00002000, | |
722 | TXCS_QUEUE4S = 0x00001000, | |
723 | TXCS_QUEUE3S = 0x00000800, | |
724 | TXCS_QUEUE2S = 0x00000400, | |
725 | TXCS_QUEUE1S = 0x00000200, | |
726 | TXCS_QUEUE0S = 0x00000100, | |
727 | TXCS_FIFOTH = 0x000000C0, | |
728 | TXCS_DMASIZE = 0x00000030, | |
729 | TXCS_BURST = 0x00000004, | |
730 | TXCS_ENABLE = 0x00000001, | |
731 | }; | |
732 | ||
733 | enum jme_txcs_value { | |
734 | TXCS_FIFOTH_16QW = 0x000000C0, | |
735 | TXCS_FIFOTH_12QW = 0x00000080, | |
736 | TXCS_FIFOTH_8QW = 0x00000040, | |
737 | TXCS_FIFOTH_4QW = 0x00000000, | |
738 | ||
739 | TXCS_DMASIZE_64B = 0x00000000, | |
740 | TXCS_DMASIZE_128B = 0x00000010, | |
741 | TXCS_DMASIZE_256B = 0x00000020, | |
742 | TXCS_DMASIZE_512B = 0x00000030, | |
743 | ||
744 | TXCS_SELECT_QUEUE0 = 0x00000000, | |
745 | TXCS_SELECT_QUEUE1 = 0x00010000, | |
746 | TXCS_SELECT_QUEUE2 = 0x00020000, | |
747 | TXCS_SELECT_QUEUE3 = 0x00030000, | |
748 | TXCS_SELECT_QUEUE4 = 0x00040000, | |
749 | TXCS_SELECT_QUEUE5 = 0x00050000, | |
750 | TXCS_SELECT_QUEUE6 = 0x00060000, | |
751 | TXCS_SELECT_QUEUE7 = 0x00070000, | |
752 | ||
753 | TXCS_DEFAULT = TXCS_FIFOTH_4QW | | |
754 | TXCS_BURST, | |
755 | }; | |
756 | ||
757 | #define JME_TX_DISABLE_TIMEOUT 10 /* 10 msec */ | |
758 | ||
759 | /* | |
760 | * TX MAC Control/Status Bits | |
761 | */ | |
762 | enum jme_txmcs_bit_masks { | |
763 | TXMCS_IFG2 = 0xC0000000, | |
764 | TXMCS_IFG1 = 0x30000000, | |
765 | TXMCS_TTHOLD = 0x00000300, | |
766 | TXMCS_FBURST = 0x00000080, | |
767 | TXMCS_CARRIEREXT = 0x00000040, | |
768 | TXMCS_DEFER = 0x00000020, | |
769 | TXMCS_BACKOFF = 0x00000010, | |
770 | TXMCS_CARRIERSENSE = 0x00000008, | |
771 | TXMCS_COLLISION = 0x00000004, | |
772 | TXMCS_CRC = 0x00000002, | |
773 | TXMCS_PADDING = 0x00000001, | |
774 | }; | |
775 | ||
776 | enum jme_txmcs_values { | |
777 | TXMCS_IFG2_6_4 = 0x00000000, | |
778 | TXMCS_IFG2_8_5 = 0x40000000, | |
779 | TXMCS_IFG2_10_6 = 0x80000000, | |
780 | TXMCS_IFG2_12_7 = 0xC0000000, | |
781 | ||
782 | TXMCS_IFG1_8_4 = 0x00000000, | |
783 | TXMCS_IFG1_12_6 = 0x10000000, | |
784 | TXMCS_IFG1_16_8 = 0x20000000, | |
785 | TXMCS_IFG1_20_10 = 0x30000000, | |
786 | ||
787 | TXMCS_TTHOLD_1_8 = 0x00000000, | |
788 | TXMCS_TTHOLD_1_4 = 0x00000100, | |
789 | TXMCS_TTHOLD_1_2 = 0x00000200, | |
790 | TXMCS_TTHOLD_FULL = 0x00000300, | |
791 | ||
792 | TXMCS_DEFAULT = TXMCS_IFG2_8_5 | | |
793 | TXMCS_IFG1_16_8 | | |
794 | TXMCS_TTHOLD_FULL | | |
795 | TXMCS_DEFER | | |
796 | TXMCS_CRC | | |
797 | TXMCS_PADDING, | |
798 | }; | |
799 | ||
800 | enum jme_txpfc_bits_masks { | |
801 | TXPFC_VLAN_TAG = 0xFFFF0000, | |
802 | TXPFC_VLAN_EN = 0x00008000, | |
803 | TXPFC_PF_EN = 0x00000001, | |
804 | }; | |
805 | ||
806 | enum jme_txtrhd_bits_masks { | |
807 | TXTRHD_TXPEN = 0x80000000, | |
808 | TXTRHD_TXP = 0x7FFFFF00, | |
809 | TXTRHD_TXREN = 0x00000080, | |
810 | TXTRHD_TXRL = 0x0000007F, | |
811 | }; | |
812 | ||
813 | enum jme_txtrhd_shifts { | |
814 | TXTRHD_TXP_SHIFT = 8, | |
815 | TXTRHD_TXRL_SHIFT = 0, | |
816 | }; | |
817 | ||
818 | enum jme_txtrhd_values { | |
819 | TXTRHD_FULLDUPLEX = 0x00000000, | |
820 | TXTRHD_HALFDUPLEX = TXTRHD_TXPEN | | |
821 | ((0x2000 << TXTRHD_TXP_SHIFT) & TXTRHD_TXP) | | |
822 | TXTRHD_TXREN | | |
823 | ((8 << TXTRHD_TXRL_SHIFT) & TXTRHD_TXRL), | |
824 | }; | |
825 | ||
826 | /* | |
827 | * RX Control/Status Bits | |
828 | */ | |
829 | enum jme_rxcs_bit_masks { | |
830 | /* FIFO full threshold for transmitting Tx Pause Packet */ | |
831 | RXCS_FIFOTHTP = 0x30000000, | |
832 | /* FIFO threshold for processing next packet */ | |
833 | RXCS_FIFOTHNP = 0x0C000000, | |
834 | RXCS_DMAREQSZ = 0x03000000, /* DMA Request Size */ | |
835 | RXCS_QUEUESEL = 0x00030000, /* Queue selection */ | |
836 | RXCS_RETRYGAP = 0x0000F000, /* RX Desc full retry gap */ | |
837 | RXCS_RETRYCNT = 0x00000F00, /* RX Desc full retry counter */ | |
838 | RXCS_WAKEUP = 0x00000040, /* Enable receive wakeup packet */ | |
839 | RXCS_MAGIC = 0x00000020, /* Enable receive magic packet */ | |
840 | RXCS_SHORT = 0x00000010, /* Enable receive short packet */ | |
841 | RXCS_ABORT = 0x00000008, /* Enable receive errorr packet */ | |
842 | RXCS_QST = 0x00000004, /* Receive queue start */ | |
843 | RXCS_SUSPEND = 0x00000002, | |
844 | RXCS_ENABLE = 0x00000001, | |
845 | }; | |
846 | ||
847 | enum jme_rxcs_values { | |
848 | RXCS_FIFOTHTP_16T = 0x00000000, | |
849 | RXCS_FIFOTHTP_32T = 0x10000000, | |
850 | RXCS_FIFOTHTP_64T = 0x20000000, | |
851 | RXCS_FIFOTHTP_128T = 0x30000000, | |
852 | ||
853 | RXCS_FIFOTHNP_16QW = 0x00000000, | |
854 | RXCS_FIFOTHNP_32QW = 0x04000000, | |
855 | RXCS_FIFOTHNP_64QW = 0x08000000, | |
856 | RXCS_FIFOTHNP_128QW = 0x0C000000, | |
857 | ||
858 | RXCS_DMAREQSZ_16B = 0x00000000, | |
859 | RXCS_DMAREQSZ_32B = 0x01000000, | |
860 | RXCS_DMAREQSZ_64B = 0x02000000, | |
861 | RXCS_DMAREQSZ_128B = 0x03000000, | |
862 | ||
863 | RXCS_QUEUESEL_Q0 = 0x00000000, | |
864 | RXCS_QUEUESEL_Q1 = 0x00010000, | |
865 | RXCS_QUEUESEL_Q2 = 0x00020000, | |
866 | RXCS_QUEUESEL_Q3 = 0x00030000, | |
867 | ||
868 | RXCS_RETRYGAP_256ns = 0x00000000, | |
869 | RXCS_RETRYGAP_512ns = 0x00001000, | |
870 | RXCS_RETRYGAP_1024ns = 0x00002000, | |
871 | RXCS_RETRYGAP_2048ns = 0x00003000, | |
872 | RXCS_RETRYGAP_4096ns = 0x00004000, | |
873 | RXCS_RETRYGAP_8192ns = 0x00005000, | |
874 | RXCS_RETRYGAP_16384ns = 0x00006000, | |
875 | RXCS_RETRYGAP_32768ns = 0x00007000, | |
876 | ||
877 | RXCS_RETRYCNT_0 = 0x00000000, | |
878 | RXCS_RETRYCNT_4 = 0x00000100, | |
879 | RXCS_RETRYCNT_8 = 0x00000200, | |
880 | RXCS_RETRYCNT_12 = 0x00000300, | |
881 | RXCS_RETRYCNT_16 = 0x00000400, | |
882 | RXCS_RETRYCNT_20 = 0x00000500, | |
883 | RXCS_RETRYCNT_24 = 0x00000600, | |
884 | RXCS_RETRYCNT_28 = 0x00000700, | |
885 | RXCS_RETRYCNT_32 = 0x00000800, | |
886 | RXCS_RETRYCNT_36 = 0x00000900, | |
887 | RXCS_RETRYCNT_40 = 0x00000A00, | |
888 | RXCS_RETRYCNT_44 = 0x00000B00, | |
889 | RXCS_RETRYCNT_48 = 0x00000C00, | |
890 | RXCS_RETRYCNT_52 = 0x00000D00, | |
891 | RXCS_RETRYCNT_56 = 0x00000E00, | |
892 | RXCS_RETRYCNT_60 = 0x00000F00, | |
893 | ||
894 | RXCS_DEFAULT = RXCS_FIFOTHTP_128T | | |
895 | RXCS_FIFOTHNP_128QW | | |
896 | RXCS_DMAREQSZ_128B | | |
897 | RXCS_RETRYGAP_256ns | | |
898 | RXCS_RETRYCNT_32, | |
899 | }; | |
900 | ||
901 | #define JME_RX_DISABLE_TIMEOUT 10 /* 10 msec */ | |
902 | ||
903 | /* | |
904 | * RX MAC Control/Status Bits | |
905 | */ | |
906 | enum jme_rxmcs_bits { | |
907 | RXMCS_ALLFRAME = 0x00000800, | |
908 | RXMCS_BRDFRAME = 0x00000400, | |
909 | RXMCS_MULFRAME = 0x00000200, | |
910 | RXMCS_UNIFRAME = 0x00000100, | |
911 | RXMCS_ALLMULFRAME = 0x00000080, | |
912 | RXMCS_MULFILTERED = 0x00000040, | |
913 | RXMCS_RXCOLLDEC = 0x00000020, | |
914 | RXMCS_FLOWCTRL = 0x00000008, | |
915 | RXMCS_VTAGRM = 0x00000004, | |
916 | RXMCS_PREPAD = 0x00000002, | |
917 | RXMCS_CHECKSUM = 0x00000001, | |
918 | ||
919 | RXMCS_DEFAULT = RXMCS_VTAGRM | | |
920 | RXMCS_PREPAD | | |
921 | RXMCS_FLOWCTRL | | |
922 | RXMCS_CHECKSUM, | |
923 | }; | |
924 | ||
925 | /* | |
926 | * Wakeup Frame setup interface registers | |
927 | */ | |
928 | #define WAKEUP_FRAME_NR 8 | |
929 | #define WAKEUP_FRAME_MASK_DWNR 4 | |
930 | ||
931 | enum jme_wfoi_bit_masks { | |
932 | WFOI_MASK_SEL = 0x00000070, | |
933 | WFOI_CRC_SEL = 0x00000008, | |
934 | WFOI_FRAME_SEL = 0x00000007, | |
935 | }; | |
936 | ||
937 | enum jme_wfoi_shifts { | |
938 | WFOI_MASK_SHIFT = 4, | |
939 | }; | |
940 | ||
941 | /* | |
942 | * SMI Related definitions | |
943 | */ | |
944 | enum jme_smi_bit_mask { | |
945 | SMI_DATA_MASK = 0xFFFF0000, | |
946 | SMI_REG_ADDR_MASK = 0x0000F800, | |
947 | SMI_PHY_ADDR_MASK = 0x000007C0, | |
948 | SMI_OP_WRITE = 0x00000020, | |
949 | /* Set to 1, after req done it'll be cleared to 0 */ | |
950 | SMI_OP_REQ = 0x00000010, | |
951 | SMI_OP_MDIO = 0x00000008, /* Software assess In/Out */ | |
952 | SMI_OP_MDOE = 0x00000004, /* Software Output Enable */ | |
953 | SMI_OP_MDC = 0x00000002, /* Software CLK Control */ | |
954 | SMI_OP_MDEN = 0x00000001, /* Software access Enable */ | |
955 | }; | |
956 | ||
957 | enum jme_smi_bit_shift { | |
958 | SMI_DATA_SHIFT = 16, | |
959 | SMI_REG_ADDR_SHIFT = 11, | |
960 | SMI_PHY_ADDR_SHIFT = 6, | |
961 | }; | |
962 | ||
963 | static inline u32 smi_reg_addr(int x) | |
964 | { | |
965 | return (x << SMI_REG_ADDR_SHIFT) & SMI_REG_ADDR_MASK; | |
966 | } | |
967 | ||
968 | static inline u32 smi_phy_addr(int x) | |
969 | { | |
970 | return (x << SMI_PHY_ADDR_SHIFT) & SMI_PHY_ADDR_MASK; | |
971 | } | |
972 | ||
973 | #define JME_PHY_TIMEOUT 100 /* 100 msec */ | |
974 | #define JME_PHY_REG_NR 32 | |
975 | ||
976 | /* | |
977 | * Global Host Control | |
978 | */ | |
979 | enum jme_ghc_bit_mask { | |
980 | GHC_SWRST = 0x40000000, | |
981 | GHC_TO_CLK_SRC = 0x00C00000, | |
982 | GHC_TXMAC_CLK_SRC = 0x00300000, | |
983 | GHC_DPX = 0x00000040, | |
984 | GHC_SPEED = 0x00000030, | |
985 | GHC_LINK_POLL = 0x00000001, | |
986 | }; | |
987 | ||
988 | enum jme_ghc_speed_val { | |
989 | GHC_SPEED_10M = 0x00000010, | |
990 | GHC_SPEED_100M = 0x00000020, | |
991 | GHC_SPEED_1000M = 0x00000030, | |
992 | }; | |
993 | ||
994 | enum jme_ghc_to_clk { | |
995 | GHC_TO_CLK_OFF = 0x00000000, | |
996 | GHC_TO_CLK_GPHY = 0x00400000, | |
997 | GHC_TO_CLK_PCIE = 0x00800000, | |
998 | GHC_TO_CLK_INVALID = 0x00C00000, | |
999 | }; | |
1000 | ||
1001 | enum jme_ghc_txmac_clk { | |
1002 | GHC_TXMAC_CLK_OFF = 0x00000000, | |
1003 | GHC_TXMAC_CLK_GPHY = 0x00100000, | |
1004 | GHC_TXMAC_CLK_PCIE = 0x00200000, | |
1005 | GHC_TXMAC_CLK_INVALID = 0x00300000, | |
1006 | }; | |
1007 | ||
1008 | /* | |
1009 | * Power management control and status register | |
1010 | */ | |
1011 | enum jme_pmcs_bit_masks { | |
1012 | PMCS_STMASK = 0xFFFF0000, | |
1013 | PMCS_WF7DET = 0x80000000, | |
1014 | PMCS_WF6DET = 0x40000000, | |
1015 | PMCS_WF5DET = 0x20000000, | |
1016 | PMCS_WF4DET = 0x10000000, | |
1017 | PMCS_WF3DET = 0x08000000, | |
1018 | PMCS_WF2DET = 0x04000000, | |
1019 | PMCS_WF1DET = 0x02000000, | |
1020 | PMCS_WF0DET = 0x01000000, | |
1021 | PMCS_LFDET = 0x00040000, | |
1022 | PMCS_LRDET = 0x00020000, | |
1023 | PMCS_MFDET = 0x00010000, | |
1024 | PMCS_ENMASK = 0x0000FFFF, | |
1025 | PMCS_WF7EN = 0x00008000, | |
1026 | PMCS_WF6EN = 0x00004000, | |
1027 | PMCS_WF5EN = 0x00002000, | |
1028 | PMCS_WF4EN = 0x00001000, | |
1029 | PMCS_WF3EN = 0x00000800, | |
1030 | PMCS_WF2EN = 0x00000400, | |
1031 | PMCS_WF1EN = 0x00000200, | |
1032 | PMCS_WF0EN = 0x00000100, | |
1033 | PMCS_LFEN = 0x00000004, | |
1034 | PMCS_LREN = 0x00000002, | |
1035 | PMCS_MFEN = 0x00000001, | |
1036 | }; | |
1037 | ||
1038 | /* | |
1039 | * New PHY Power Control Register | |
1040 | */ | |
1041 | enum jme_phy_pwr_bit_masks { | |
1042 | PHY_PWR_DWN1SEL = 0x01000000, /* Phy_giga.p_PWR_DOWN1_SEL */ | |
1043 | PHY_PWR_DWN1SW = 0x02000000, /* Phy_giga.p_PWR_DOWN1_SW */ | |
1044 | PHY_PWR_DWN2 = 0x04000000, /* Phy_giga.p_PWR_DOWN2 */ | |
1045 | PHY_PWR_CLKSEL = 0x08000000, /* | |
1046 | * XTL_OUT Clock select | |
1047 | * (an internal free-running clock) | |
1048 | * 0: xtl_out = phy_giga.A_XTL25_O | |
1049 | * 1: xtl_out = phy_giga.PD_OSC | |
1050 | */ | |
1051 | }; | |
1052 | ||
1053 | /* | |
1054 | * Giga PHY Status Registers | |
1055 | */ | |
1056 | enum jme_phy_link_bit_mask { | |
1057 | PHY_LINK_SPEED_MASK = 0x0000C000, | |
1058 | PHY_LINK_DUPLEX = 0x00002000, | |
1059 | PHY_LINK_SPEEDDPU_RESOLVED = 0x00000800, | |
1060 | PHY_LINK_UP = 0x00000400, | |
1061 | PHY_LINK_AUTONEG_COMPLETE = 0x00000200, | |
1062 | PHY_LINK_MDI_STAT = 0x00000040, | |
1063 | }; | |
1064 | ||
1065 | enum jme_phy_link_speed_val { | |
1066 | PHY_LINK_SPEED_10M = 0x00000000, | |
1067 | PHY_LINK_SPEED_100M = 0x00004000, | |
1068 | PHY_LINK_SPEED_1000M = 0x00008000, | |
1069 | }; | |
1070 | ||
1071 | #define JME_SPDRSV_TIMEOUT 500 /* 500 us */ | |
1072 | ||
1073 | /* | |
1074 | * SMB Control and Status | |
1075 | */ | |
1076 | enum jme_smbcsr_bit_mask { | |
1077 | SMBCSR_CNACK = 0x00020000, | |
1078 | SMBCSR_RELOAD = 0x00010000, | |
1079 | SMBCSR_EEPROMD = 0x00000020, | |
1080 | SMBCSR_INITDONE = 0x00000010, | |
1081 | SMBCSR_BUSY = 0x0000000F, | |
1082 | }; | |
1083 | ||
1084 | enum jme_smbintf_bit_mask { | |
1085 | SMBINTF_HWDATR = 0xFF000000, | |
1086 | SMBINTF_HWDATW = 0x00FF0000, | |
1087 | SMBINTF_HWADDR = 0x0000FF00, | |
1088 | SMBINTF_HWRWN = 0x00000020, | |
1089 | SMBINTF_HWCMD = 0x00000010, | |
1090 | SMBINTF_FASTM = 0x00000008, | |
1091 | SMBINTF_GPIOSCL = 0x00000004, | |
1092 | SMBINTF_GPIOSDA = 0x00000002, | |
1093 | SMBINTF_GPIOEN = 0x00000001, | |
1094 | }; | |
1095 | ||
1096 | enum jme_smbintf_vals { | |
1097 | SMBINTF_HWRWN_READ = 0x00000020, | |
1098 | SMBINTF_HWRWN_WRITE = 0x00000000, | |
1099 | }; | |
1100 | ||
1101 | enum jme_smbintf_shifts { | |
1102 | SMBINTF_HWDATR_SHIFT = 24, | |
1103 | SMBINTF_HWDATW_SHIFT = 16, | |
1104 | SMBINTF_HWADDR_SHIFT = 8, | |
1105 | }; | |
1106 | ||
1107 | #define JME_EEPROM_RELOAD_TIMEOUT 2000 /* 2000 msec */ | |
1108 | #define JME_SMB_BUSY_TIMEOUT 20 /* 20 msec */ | |
1109 | #define JME_SMB_LEN 256 | |
1110 | #define JME_EEPROM_MAGIC 0x250 | |
1111 | ||
1112 | /* | |
1113 | * Timer Control/Status Register | |
1114 | */ | |
1115 | enum jme_tmcsr_bit_masks { | |
1116 | TMCSR_SWIT = 0x80000000, | |
1117 | TMCSR_EN = 0x01000000, | |
1118 | TMCSR_CNT = 0x00FFFFFF, | |
1119 | }; | |
1120 | ||
1121 | /* | |
1122 | * General Purpose REG-0 | |
1123 | */ | |
1124 | enum jme_gpreg0_masks { | |
1125 | GPREG0_DISSH = 0xFF000000, | |
1126 | GPREG0_PCIRLMT = 0x00300000, | |
1127 | GPREG0_PCCNOMUTCLR = 0x00040000, | |
1128 | GPREG0_LNKINTPOLL = 0x00001000, | |
1129 | GPREG0_PCCTMR = 0x00000300, | |
1130 | GPREG0_PHYADDR = 0x0000001F, | |
1131 | }; | |
1132 | ||
1133 | enum jme_gpreg0_vals { | |
1134 | GPREG0_DISSH_DW7 = 0x80000000, | |
1135 | GPREG0_DISSH_DW6 = 0x40000000, | |
1136 | GPREG0_DISSH_DW5 = 0x20000000, | |
1137 | GPREG0_DISSH_DW4 = 0x10000000, | |
1138 | GPREG0_DISSH_DW3 = 0x08000000, | |
1139 | GPREG0_DISSH_DW2 = 0x04000000, | |
1140 | GPREG0_DISSH_DW1 = 0x02000000, | |
1141 | GPREG0_DISSH_DW0 = 0x01000000, | |
1142 | GPREG0_DISSH_ALL = 0xFF000000, | |
1143 | ||
1144 | GPREG0_PCIRLMT_8 = 0x00000000, | |
1145 | GPREG0_PCIRLMT_6 = 0x00100000, | |
1146 | GPREG0_PCIRLMT_5 = 0x00200000, | |
1147 | GPREG0_PCIRLMT_4 = 0x00300000, | |
1148 | ||
1149 | GPREG0_PCCTMR_16ns = 0x00000000, | |
1150 | GPREG0_PCCTMR_256ns = 0x00000100, | |
1151 | GPREG0_PCCTMR_1us = 0x00000200, | |
1152 | GPREG0_PCCTMR_1ms = 0x00000300, | |
1153 | ||
1154 | GPREG0_PHYADDR_1 = 0x00000001, | |
1155 | ||
1156 | GPREG0_DEFAULT = GPREG0_PCIRLMT_4 | | |
1157 | GPREG0_PCCTMR_1us | | |
1158 | GPREG0_PHYADDR_1, | |
1159 | }; | |
1160 | ||
1161 | /* | |
1162 | * General Purpose REG-1 | |
1163 | */ | |
1164 | enum jme_gpreg1_bit_masks { | |
1165 | GPREG1_RXCLKOFF = 0x04000000, | |
1166 | GPREG1_PCREQN = 0x00020000, | |
1167 | GPREG1_HALFMODEPATCH = 0x00000040, /* For Chip revision 0x11 only */ | |
1168 | GPREG1_RSSPATCH = 0x00000020, /* For Chip revision 0x11 only */ | |
1169 | GPREG1_INTRDELAYUNIT = 0x00000018, | |
1170 | GPREG1_INTRDELAYENABLE = 0x00000007, | |
1171 | }; | |
1172 | ||
1173 | enum jme_gpreg1_vals { | |
1174 | GPREG1_INTDLYUNIT_16NS = 0x00000000, | |
1175 | GPREG1_INTDLYUNIT_256NS = 0x00000008, | |
1176 | GPREG1_INTDLYUNIT_1US = 0x00000010, | |
1177 | GPREG1_INTDLYUNIT_16US = 0x00000018, | |
1178 | ||
1179 | GPREG1_INTDLYEN_1U = 0x00000001, | |
1180 | GPREG1_INTDLYEN_2U = 0x00000002, | |
1181 | GPREG1_INTDLYEN_3U = 0x00000003, | |
1182 | GPREG1_INTDLYEN_4U = 0x00000004, | |
1183 | GPREG1_INTDLYEN_5U = 0x00000005, | |
1184 | GPREG1_INTDLYEN_6U = 0x00000006, | |
1185 | GPREG1_INTDLYEN_7U = 0x00000007, | |
1186 | ||
1187 | GPREG1_DEFAULT = GPREG1_PCREQN, | |
1188 | }; | |
1189 | ||
1190 | /* | |
1191 | * Interrupt Status Bits | |
1192 | */ | |
1193 | enum jme_interrupt_bits { | |
1194 | INTR_SWINTR = 0x80000000, | |
1195 | INTR_TMINTR = 0x40000000, | |
1196 | INTR_LINKCH = 0x20000000, | |
1197 | INTR_PAUSERCV = 0x10000000, | |
1198 | INTR_MAGICRCV = 0x08000000, | |
1199 | INTR_WAKERCV = 0x04000000, | |
1200 | INTR_PCCRX0TO = 0x02000000, | |
1201 | INTR_PCCRX1TO = 0x01000000, | |
1202 | INTR_PCCRX2TO = 0x00800000, | |
1203 | INTR_PCCRX3TO = 0x00400000, | |
1204 | INTR_PCCTXTO = 0x00200000, | |
1205 | INTR_PCCRX0 = 0x00100000, | |
1206 | INTR_PCCRX1 = 0x00080000, | |
1207 | INTR_PCCRX2 = 0x00040000, | |
1208 | INTR_PCCRX3 = 0x00020000, | |
1209 | INTR_PCCTX = 0x00010000, | |
1210 | INTR_RX3EMP = 0x00008000, | |
1211 | INTR_RX2EMP = 0x00004000, | |
1212 | INTR_RX1EMP = 0x00002000, | |
1213 | INTR_RX0EMP = 0x00001000, | |
1214 | INTR_RX3 = 0x00000800, | |
1215 | INTR_RX2 = 0x00000400, | |
1216 | INTR_RX1 = 0x00000200, | |
1217 | INTR_RX0 = 0x00000100, | |
1218 | INTR_TX7 = 0x00000080, | |
1219 | INTR_TX6 = 0x00000040, | |
1220 | INTR_TX5 = 0x00000020, | |
1221 | INTR_TX4 = 0x00000010, | |
1222 | INTR_TX3 = 0x00000008, | |
1223 | INTR_TX2 = 0x00000004, | |
1224 | INTR_TX1 = 0x00000002, | |
1225 | INTR_TX0 = 0x00000001, | |
1226 | }; | |
1227 | ||
1228 | static const u32 INTR_ENABLE = INTR_SWINTR | | |
1229 | INTR_TMINTR | | |
1230 | INTR_LINKCH | | |
1231 | INTR_PCCRX0TO | | |
1232 | INTR_PCCRX0 | | |
1233 | INTR_PCCTXTO | | |
1234 | INTR_PCCTX | | |
1235 | INTR_RX0EMP; | |
1236 | ||
1237 | /* | |
1238 | * PCC Control Registers | |
1239 | */ | |
1240 | enum jme_pccrx_masks { | |
1241 | PCCRXTO_MASK = 0xFFFF0000, | |
1242 | PCCRX_MASK = 0x0000FF00, | |
1243 | }; | |
1244 | ||
1245 | enum jme_pcctx_masks { | |
1246 | PCCTXTO_MASK = 0xFFFF0000, | |
1247 | PCCTX_MASK = 0x0000FF00, | |
1248 | PCCTX_QS_MASK = 0x000000FF, | |
1249 | }; | |
1250 | ||
1251 | enum jme_pccrx_shifts { | |
1252 | PCCRXTO_SHIFT = 16, | |
1253 | PCCRX_SHIFT = 8, | |
1254 | }; | |
1255 | ||
1256 | enum jme_pcctx_shifts { | |
1257 | PCCTXTO_SHIFT = 16, | |
1258 | PCCTX_SHIFT = 8, | |
1259 | }; | |
1260 | ||
1261 | enum jme_pcctx_bits { | |
1262 | PCCTXQ0_EN = 0x00000001, | |
1263 | PCCTXQ1_EN = 0x00000002, | |
1264 | PCCTXQ2_EN = 0x00000004, | |
1265 | PCCTXQ3_EN = 0x00000008, | |
1266 | PCCTXQ4_EN = 0x00000010, | |
1267 | PCCTXQ5_EN = 0x00000020, | |
1268 | PCCTXQ6_EN = 0x00000040, | |
1269 | PCCTXQ7_EN = 0x00000080, | |
1270 | }; | |
1271 | ||
1272 | /* | |
1273 | * Chip Mode Register | |
1274 | */ | |
1275 | enum jme_chipmode_bit_masks { | |
1276 | CM_FPGAVER_MASK = 0xFFFF0000, | |
1277 | CM_CHIPREV_MASK = 0x0000FF00, | |
1278 | CM_CHIPMODE_MASK = 0x0000000F, | |
1279 | }; | |
1280 | ||
1281 | enum jme_chipmode_shifts { | |
1282 | CM_FPGAVER_SHIFT = 16, | |
1283 | CM_CHIPREV_SHIFT = 8, | |
1284 | }; | |
1285 | ||
1286 | /* | |
1287 | * Aggressive Power Mode Control | |
1288 | */ | |
1289 | enum jme_apmc_bits { | |
1290 | JME_APMC_PCIE_SD_EN = 0x40000000, | |
1291 | JME_APMC_PSEUDO_HP_EN = 0x20000000, | |
1292 | JME_APMC_EPIEN = 0x04000000, | |
1293 | JME_APMC_EPIEN_CTRL = 0x03000000, | |
1294 | }; | |
1295 | ||
1296 | enum jme_apmc_values { | |
1297 | JME_APMC_EPIEN_CTRL_EN = 0x02000000, | |
1298 | JME_APMC_EPIEN_CTRL_DIS = 0x01000000, | |
1299 | }; | |
1300 | ||
1301 | #define APMC_PHP_SHUTDOWN_DELAY (10 * 1000 * 1000) | |
1302 | ||
1303 | #ifdef REG_DEBUG | |
1304 | static char *MAC_REG_NAME[] = { | |
1305 | "JME_TXCS", "JME_TXDBA_LO", "JME_TXDBA_HI", "JME_TXQDC", | |
1306 | "JME_TXNDA", "JME_TXMCS", "JME_TXPFC", "JME_TXTRHD", | |
1307 | "JME_RXCS", "JME_RXDBA_LO", "JME_RXDBA_HI", "JME_RXQDC", | |
1308 | "JME_RXNDA", "JME_RXMCS", "JME_RXUMA_LO", "JME_RXUMA_HI", | |
1309 | "JME_RXMCHT_LO", "JME_RXMCHT_HI", "JME_WFODP", "JME_WFOI", | |
1310 | "JME_SMI", "JME_GHC", "UNKNOWN", "UNKNOWN", | |
1311 | "JME_PMCS"}; | |
1312 | ||
1313 | static char *PE_REG_NAME[] = { | |
1314 | "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN", | |
1315 | "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN", | |
1316 | "UNKNOWN", "UNKNOWN", "JME_PHY_CS", "UNKNOWN", | |
1317 | "JME_PHY_LINK", "UNKNOWN", "UNKNOWN", "UNKNOWN", | |
1318 | "JME_SMBCSR", "JME_SMBINTF"}; | |
1319 | ||
1320 | static char *MISC_REG_NAME[] = { | |
1321 | "JME_TMCSR", "JME_GPIO", "JME_GPREG0", "JME_GPREG1", | |
1322 | "JME_IEVE", "JME_IREQ", "JME_IENS", "JME_IENC", | |
1323 | "JME_PCCRX0", "JME_PCCRX1", "JME_PCCRX2", "JME_PCCRX3", | |
1324 | "JME_PCCTX0", "JME_CHIPMODE", "JME_SHBA_HI", "JME_SHBA_LO", | |
1325 | "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN", | |
1326 | "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN", | |
1327 | "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN", | |
1328 | "JME_TIMER1", "JME_TIMER2", "UNKNOWN", "JME_APMC", | |
1329 | "JME_PCCSRX0"}; | |
1330 | ||
1331 | static inline void reg_dbg(const struct jme_adapter *jme, | |
1332 | const char *msg, u32 val, u32 reg) | |
1333 | { | |
1334 | const char *regname; | |
1335 | switch (reg & 0xF00) { | |
1336 | case 0x000: | |
1337 | regname = MAC_REG_NAME[(reg & 0xFF) >> 2]; | |
1338 | break; | |
1339 | case 0x400: | |
1340 | regname = PE_REG_NAME[(reg & 0xFF) >> 2]; | |
1341 | break; | |
1342 | case 0x800: | |
1343 | regname = MISC_REG_NAME[(reg & 0xFF) >> 2]; | |
1344 | break; | |
1345 | default: | |
1346 | regname = PE_REG_NAME[0]; | |
1347 | } | |
1348 | printk(KERN_DEBUG "%s: %-20s %08x@%s\n", jme->dev->name, | |
1349 | msg, val, regname); | |
1350 | } | |
1351 | #else | |
1352 | static inline void reg_dbg(const struct jme_adapter *jme, | |
1353 | const char *msg, u32 val, u32 reg) {} | |
1354 | #endif | |
1355 | ||
1356 | /* | |
1357 | * Read/Write MMaped I/O Registers | |
1358 | */ | |
1359 | static inline u32 jread32(struct jme_adapter *jme, u32 reg) | |
1360 | { | |
1361 | return readl(jme->regs + reg); | |
1362 | } | |
1363 | ||
1364 | static inline void jwrite32(struct jme_adapter *jme, u32 reg, u32 val) | |
1365 | { | |
1366 | reg_dbg(jme, "REG WRITE", val, reg); | |
1367 | writel(val, jme->regs + reg); | |
1368 | reg_dbg(jme, "VAL AFTER WRITE", readl(jme->regs + reg), reg); | |
1369 | } | |
1370 | ||
1371 | static inline void jwrite32f(struct jme_adapter *jme, u32 reg, u32 val) | |
1372 | { | |
1373 | /* | |
1374 | * Read after write should cause flush | |
1375 | */ | |
1376 | reg_dbg(jme, "REG WRITE FLUSH", val, reg); | |
1377 | writel(val, jme->regs + reg); | |
1378 | readl(jme->regs + reg); | |
1379 | reg_dbg(jme, "VAL AFTER WRITE", readl(jme->regs + reg), reg); | |
1380 | } | |
1381 | ||
1382 | /* | |
1383 | * PHY Regs | |
1384 | */ | |
1385 | enum jme_phy_reg17_bit_masks { | |
1386 | PREG17_SPEED = 0xC000, | |
1387 | PREG17_DUPLEX = 0x2000, | |
1388 | PREG17_SPDRSV = 0x0800, | |
1389 | PREG17_LNKUP = 0x0400, | |
1390 | PREG17_MDI = 0x0040, | |
1391 | }; | |
1392 | ||
1393 | enum jme_phy_reg17_vals { | |
1394 | PREG17_SPEED_10M = 0x0000, | |
1395 | PREG17_SPEED_100M = 0x4000, | |
1396 | PREG17_SPEED_1000M = 0x8000, | |
1397 | }; | |
1398 | ||
1399 | #define BMSR_ANCOMP 0x0020 | |
1400 | ||
1401 | /* | |
1402 | * Workaround | |
1403 | */ | |
1404 | static inline int is_buggy250(unsigned short device, u8 chiprev) | |
1405 | { | |
1406 | return device == PCI_DEVICE_ID_JMICRON_JMC250 && chiprev == 0x11; | |
1407 | } | |
1408 | ||
1409 | static inline int new_phy_power_ctrl(u8 chip_main_rev) | |
1410 | { | |
1411 | return chip_main_rev >= 5; | |
1412 | } | |
1413 | ||
1414 | /* | |
1415 | * Function prototypes | |
1416 | */ | |
1417 | static int jme_set_settings(struct net_device *netdev, | |
1418 | struct ethtool_cmd *ecmd); | |
1419 | static void jme_set_unicastaddr(struct net_device *netdev); | |
1420 | static void jme_set_multi(struct net_device *netdev); | |
1421 | ||
1422 | #endif | |
1423 |