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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 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(3,0,0) | |
116 | #define __USE_NDO_FIX_FEATURES__ | |
117 | #endif | |
118 | ||
119 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0) | |
120 | #define __UNIFY_VLAN_RX_PATH__ | |
121 | #define __USE_NDO_SET_RX_MODE__ | |
122 | #endif | |
123 | ||
124 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0) | |
125 | #define __USE_SKB_FRAG_API__ | |
126 | #endif | |
127 | ||
128 | /* | |
129 | * Extra PCI Configuration space interface | |
130 | */ | |
131 | #define PCI_DCSR_MRRS 0x59 | |
132 | #define PCI_DCSR_MRRS_MASK 0x70 | |
133 | ||
134 | enum pci_dcsr_mrrs_vals { | |
135 | MRRS_128B = 0x00, | |
136 | MRRS_256B = 0x10, | |
137 | MRRS_512B = 0x20, | |
138 | MRRS_1024B = 0x30, | |
139 | MRRS_2048B = 0x40, | |
140 | MRRS_4096B = 0x50, | |
141 | }; | |
142 | ||
143 | #define PCI_SPI 0xB0 | |
144 | ||
145 | enum pci_spi_bits { | |
146 | SPI_EN = 0x10, | |
147 | SPI_MISO = 0x08, | |
148 | SPI_MOSI = 0x04, | |
149 | SPI_SCLK = 0x02, | |
150 | SPI_CS = 0x01, | |
151 | }; | |
152 | ||
153 | struct jme_spi_op { | |
154 | void __user *uwbuf; | |
155 | void __user *urbuf; | |
156 | __u8 wn; /* Number of write actions */ | |
157 | __u8 rn; /* Number of read actions */ | |
158 | __u8 bitn; /* Number of bits per action */ | |
159 | __u8 spd; /* The maxim acceptable speed of controller, in MHz.*/ | |
160 | __u8 mode; /* CPOL, CPHA, and Duplex mode of SPI */ | |
161 | ||
162 | /* Internal use only */ | |
163 | u8 *kwbuf; | |
164 | u8 *krbuf; | |
165 | u8 sr; | |
166 | u16 halfclk; /* Half of clock cycle calculated from spd, in ns */ | |
167 | }; | |
168 | ||
169 | enum jme_spi_op_bits { | |
170 | SPI_MODE_CPHA = 0x01, | |
171 | SPI_MODE_CPOL = 0x02, | |
172 | SPI_MODE_DUP = 0x80, | |
173 | }; | |
174 | ||
175 | #define HALF_US 500 /* 500 ns */ | |
176 | ||
177 | #define PCI_PRIV_PE1 0xE4 | |
178 | ||
179 | enum pci_priv_pe1_bit_masks { | |
180 | PE1_ASPMSUPRT = 0x00000003, /* | |
181 | * RW: | |
182 | * Aspm_support[1:0] | |
183 | * (R/W Port of 5C[11:10]) | |
184 | */ | |
185 | PE1_MULTIFUN = 0x00000004, /* RW: Multi_fun_bit */ | |
186 | PE1_RDYDMA = 0x00000008, /* RO: ~link.rdy_for_dma */ | |
187 | PE1_ASPMOPTL = 0x00000030, /* RW: link.rx10s_option[1:0] */ | |
188 | PE1_ASPMOPTH = 0x000000C0, /* RW: 10_req=[3]?HW:[2] */ | |
189 | PE1_GPREG0 = 0x0000FF00, /* | |
190 | * SRW: | |
191 | * Cfg_gp_reg0 | |
192 | * [7:6] phy_giga BG control | |
193 | * [5] CREQ_N as CREQ_N1 (CPPE# as CREQ#) | |
194 | * [4:0] Reserved | |
195 | */ | |
196 | PE1_GPREG0_PBG = 0x0000C000, /* phy_giga BG control */ | |
197 | PE1_GPREG1 = 0x00FF0000, /* RW: Cfg_gp_reg1 */ | |
198 | PE1_REVID = 0xFF000000, /* RO: Rev ID */ | |
199 | }; | |
200 | ||
201 | enum pci_priv_pe1_values { | |
202 | PE1_GPREG0_ENBG = 0x00000000, /* en BG */ | |
203 | PE1_GPREG0_PDD3COLD = 0x00004000, /* giga_PD + d3cold */ | |
204 | PE1_GPREG0_PDPCIESD = 0x00008000, /* giga_PD + pcie_shutdown */ | |
205 | PE1_GPREG0_PDPCIEIDDQ = 0x0000C000, /* giga_PD + pcie_iddq */ | |
206 | }; | |
207 | ||
208 | /* | |
209 | * Dynamic(adaptive)/Static PCC values | |
210 | */ | |
211 | enum dynamic_pcc_values { | |
212 | PCC_OFF = 0, | |
213 | PCC_P1 = 1, | |
214 | PCC_P2 = 2, | |
215 | PCC_P3 = 3, | |
216 | ||
217 | PCC_OFF_TO = 0, | |
218 | PCC_P1_TO = 1, | |
219 | PCC_P2_TO = 64, | |
220 | PCC_P3_TO = 128, | |
221 | ||
222 | PCC_OFF_CNT = 0, | |
223 | PCC_P1_CNT = 1, | |
224 | PCC_P2_CNT = 16, | |
225 | PCC_P3_CNT = 32, | |
226 | }; | |
227 | struct dynpcc_info { | |
228 | unsigned long last_bytes; | |
229 | unsigned long last_pkts; | |
230 | unsigned long intr_cnt; | |
231 | unsigned char cur; | |
232 | unsigned char attempt; | |
233 | unsigned char cnt; | |
234 | }; | |
235 | #define PCC_INTERVAL_US 100000 | |
236 | #define PCC_INTERVAL (HZ / (1000000 / PCC_INTERVAL_US)) | |
237 | #define PCC_P3_THRESHOLD (2 * 1024 * 1024) | |
238 | #define PCC_P2_THRESHOLD 800 | |
239 | #define PCC_INTR_THRESHOLD 800 | |
240 | #define PCC_TX_TO 1000 | |
241 | #define PCC_TX_CNT 8 | |
242 | ||
243 | /* | |
244 | * TX/RX Descriptors | |
245 | * | |
246 | * TX/RX Ring DESC Count Must be multiple of 16 and <= 1024 | |
247 | */ | |
248 | #define RING_DESC_ALIGN 16 /* Descriptor alignment */ | |
249 | #define TX_DESC_SIZE 16 | |
250 | #define TX_RING_NR 8 | |
251 | #define TX_RING_ALLOC_SIZE(s) ((s * TX_DESC_SIZE) + RING_DESC_ALIGN) | |
252 | ||
253 | struct txdesc { | |
254 | union { | |
255 | __u8 all[16]; | |
256 | __le32 dw[4]; | |
257 | struct { | |
258 | /* DW0 */ | |
259 | __le16 vlan; | |
260 | __u8 rsv1; | |
261 | __u8 flags; | |
262 | ||
263 | /* DW1 */ | |
264 | __le16 datalen; | |
265 | __le16 mss; | |
266 | ||
267 | /* DW2 */ | |
268 | __le16 pktsize; | |
269 | __le16 rsv2; | |
270 | ||
271 | /* DW3 */ | |
272 | __le32 bufaddr; | |
273 | } desc1; | |
274 | struct { | |
275 | /* DW0 */ | |
276 | __le16 rsv1; | |
277 | __u8 rsv2; | |
278 | __u8 flags; | |
279 | ||
280 | /* DW1 */ | |
281 | __le16 datalen; | |
282 | __le16 rsv3; | |
283 | ||
284 | /* DW2 */ | |
285 | __le32 bufaddrh; | |
286 | ||
287 | /* DW3 */ | |
288 | __le32 bufaddrl; | |
289 | } desc2; | |
290 | struct { | |
291 | /* DW0 */ | |
292 | __u8 ehdrsz; | |
293 | __u8 rsv1; | |
294 | __u8 rsv2; | |
295 | __u8 flags; | |
296 | ||
297 | /* DW1 */ | |
298 | __le16 trycnt; | |
299 | __le16 segcnt; | |
300 | ||
301 | /* DW2 */ | |
302 | __le16 pktsz; | |
303 | __le16 rsv3; | |
304 | ||
305 | /* DW3 */ | |
306 | __le32 bufaddrl; | |
307 | } descwb; | |
308 | }; | |
309 | }; | |
310 | ||
311 | enum jme_txdesc_flags_bits { | |
312 | TXFLAG_OWN = 0x80, | |
313 | TXFLAG_INT = 0x40, | |
314 | TXFLAG_64BIT = 0x20, | |
315 | TXFLAG_TCPCS = 0x10, | |
316 | TXFLAG_UDPCS = 0x08, | |
317 | TXFLAG_IPCS = 0x04, | |
318 | TXFLAG_LSEN = 0x02, | |
319 | TXFLAG_TAGON = 0x01, | |
320 | }; | |
321 | ||
322 | #define TXDESC_MSS_SHIFT 2 | |
323 | enum jme_txwbdesc_flags_bits { | |
324 | TXWBFLAG_OWN = 0x80, | |
325 | TXWBFLAG_INT = 0x40, | |
326 | TXWBFLAG_TMOUT = 0x20, | |
327 | TXWBFLAG_TRYOUT = 0x10, | |
328 | TXWBFLAG_COL = 0x08, | |
329 | ||
330 | TXWBFLAG_ALLERR = TXWBFLAG_TMOUT | | |
331 | TXWBFLAG_TRYOUT | | |
332 | TXWBFLAG_COL, | |
333 | }; | |
334 | ||
335 | #define RX_DESC_SIZE 16 | |
336 | #define RX_RING_NR 4 | |
337 | #define RX_RING_ALLOC_SIZE(s) ((s * RX_DESC_SIZE) + RING_DESC_ALIGN) | |
338 | #define RX_BUF_DMA_ALIGN 8 | |
339 | #define RX_PREPAD_SIZE 10 | |
340 | #define ETH_CRC_LEN 2 | |
341 | #define RX_VLANHDR_LEN 2 | |
342 | #define RX_EXTRA_LEN (RX_PREPAD_SIZE + \ | |
343 | ETH_HLEN + \ | |
344 | ETH_CRC_LEN + \ | |
345 | RX_VLANHDR_LEN + \ | |
346 | RX_BUF_DMA_ALIGN) | |
347 | ||
348 | struct rxdesc { | |
349 | union { | |
350 | __u8 all[16]; | |
351 | __le32 dw[4]; | |
352 | struct { | |
353 | /* DW0 */ | |
354 | __le16 rsv2; | |
355 | __u8 rsv1; | |
356 | __u8 flags; | |
357 | ||
358 | /* DW1 */ | |
359 | __le16 datalen; | |
360 | __le16 wbcpl; | |
361 | ||
362 | /* DW2 */ | |
363 | __le32 bufaddrh; | |
364 | ||
365 | /* DW3 */ | |
366 | __le32 bufaddrl; | |
367 | } desc1; | |
368 | struct { | |
369 | /* DW0 */ | |
370 | __le16 vlan; | |
371 | __le16 flags; | |
372 | ||
373 | /* DW1 */ | |
374 | __le16 framesize; | |
375 | __u8 errstat; | |
376 | __u8 desccnt; | |
377 | ||
378 | /* DW2 */ | |
379 | __le32 rsshash; | |
380 | ||
381 | /* DW3 */ | |
382 | __u8 hashfun; | |
383 | __u8 hashtype; | |
384 | __le16 resrv; | |
385 | } descwb; | |
386 | }; | |
387 | }; | |
388 | ||
389 | enum jme_rxdesc_flags_bits { | |
390 | RXFLAG_OWN = 0x80, | |
391 | RXFLAG_INT = 0x40, | |
392 | RXFLAG_64BIT = 0x20, | |
393 | }; | |
394 | ||
395 | enum jme_rxwbdesc_flags_bits { | |
396 | RXWBFLAG_OWN = 0x8000, | |
397 | RXWBFLAG_INT = 0x4000, | |
398 | RXWBFLAG_MF = 0x2000, | |
399 | RXWBFLAG_64BIT = 0x2000, | |
400 | RXWBFLAG_TCPON = 0x1000, | |
401 | RXWBFLAG_UDPON = 0x0800, | |
402 | RXWBFLAG_IPCS = 0x0400, | |
403 | RXWBFLAG_TCPCS = 0x0200, | |
404 | RXWBFLAG_UDPCS = 0x0100, | |
405 | RXWBFLAG_TAGON = 0x0080, | |
406 | RXWBFLAG_IPV4 = 0x0040, | |
407 | RXWBFLAG_IPV6 = 0x0020, | |
408 | RXWBFLAG_PAUSE = 0x0010, | |
409 | RXWBFLAG_MAGIC = 0x0008, | |
410 | RXWBFLAG_WAKEUP = 0x0004, | |
411 | RXWBFLAG_DEST = 0x0003, | |
412 | RXWBFLAG_DEST_UNI = 0x0001, | |
413 | RXWBFLAG_DEST_MUL = 0x0002, | |
414 | RXWBFLAG_DEST_BRO = 0x0003, | |
415 | }; | |
416 | ||
417 | enum jme_rxwbdesc_desccnt_mask { | |
418 | RXWBDCNT_WBCPL = 0x80, | |
419 | RXWBDCNT_DCNT = 0x7F, | |
420 | }; | |
421 | ||
422 | enum jme_rxwbdesc_errstat_bits { | |
423 | RXWBERR_LIMIT = 0x80, | |
424 | RXWBERR_MIIER = 0x40, | |
425 | RXWBERR_NIBON = 0x20, | |
426 | RXWBERR_COLON = 0x10, | |
427 | RXWBERR_ABORT = 0x08, | |
428 | RXWBERR_SHORT = 0x04, | |
429 | RXWBERR_OVERUN = 0x02, | |
430 | RXWBERR_CRCERR = 0x01, | |
431 | RXWBERR_ALLERR = 0xFF, | |
432 | }; | |
433 | ||
434 | /* | |
435 | * Buffer information corresponding to ring descriptors. | |
436 | */ | |
437 | struct jme_buffer_info { | |
438 | struct sk_buff *skb; | |
439 | dma_addr_t mapping; | |
440 | int len; | |
441 | int nr_desc; | |
442 | unsigned long start_xmit; | |
443 | }; | |
444 | ||
445 | /* | |
446 | * The structure holding buffer information and ring descriptors all together. | |
447 | */ | |
448 | struct jme_ring { | |
449 | void *alloc; /* pointer to allocated memory */ | |
450 | void *desc; /* pointer to ring memory */ | |
451 | dma_addr_t dmaalloc; /* phys address of ring alloc */ | |
452 | dma_addr_t dma; /* phys address for ring dma */ | |
453 | ||
454 | /* Buffer information corresponding to each descriptor */ | |
455 | struct jme_buffer_info *bufinf; | |
456 | ||
457 | int next_to_use; | |
458 | atomic_t next_to_clean; | |
459 | atomic_t nr_free; | |
460 | }; | |
461 | ||
462 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,18) | |
463 | #define false 0 | |
464 | #define true 0 | |
465 | #define netdev_alloc_skb(dev, len) dev_alloc_skb(len) | |
466 | #define PCI_VENDOR_ID_JMICRON 0x197B | |
467 | #endif | |
468 | ||
469 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,19) | |
470 | #define PCI_VDEVICE(vendor, device) \ | |
471 | PCI_VENDOR_ID_##vendor, (device), \ | |
472 | PCI_ANY_ID, PCI_ANY_ID, 0, 0 | |
473 | #endif | |
474 | ||
475 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,21) | |
476 | #define NET_STAT(priv) priv->stats | |
477 | #define NETDEV_GET_STATS(netdev, fun_ptr) \ | |
478 | netdev->get_stats = fun_ptr | |
479 | #define DECLARE_NET_DEVICE_STATS struct net_device_stats stats; | |
480 | /* | |
481 | * CentOS 5.2 have *_hdr helpers back-ported | |
482 | */ | |
483 | #ifdef RHEL_RELEASE_CODE | |
484 | #if RHEL_RELEASE_CODE < RHEL_RELEASE_VERSION(5,2) | |
485 | #define __DEFINE_IPHDR_HELPERS__ | |
486 | #endif | |
487 | #else | |
488 | #define __DEFINE_IPHDR_HELPERS__ | |
489 | #endif | |
490 | #else | |
491 | #define NET_STAT(priv) (priv->dev->stats) | |
492 | #define NETDEV_GET_STATS(netdev, fun_ptr) | |
493 | #define DECLARE_NET_DEVICE_STATS | |
494 | #endif | |
495 | ||
496 | #ifdef __DEFINE_IPHDR_HELPERS__ | |
497 | static inline struct iphdr *ip_hdr(const struct sk_buff *skb) | |
498 | { | |
499 | return skb->nh.iph; | |
500 | } | |
501 | ||
502 | static inline struct ipv6hdr *ipv6_hdr(const struct sk_buff *skb) | |
503 | { | |
504 | return skb->nh.ipv6h; | |
505 | } | |
506 | ||
507 | static inline struct tcphdr *tcp_hdr(const struct sk_buff *skb) | |
508 | { | |
509 | return skb->h.th; | |
510 | } | |
511 | #endif | |
512 | ||
513 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,23) | |
514 | #define DECLARE_NAPI_STRUCT | |
515 | #define NETIF_NAPI_SET(dev, napis, pollfn, q) \ | |
516 | dev->poll = pollfn; \ | |
517 | dev->weight = q; | |
518 | #define JME_NAPI_HOLDER(holder) struct net_device *holder | |
519 | #define JME_NAPI_WEIGHT(w) int *w | |
520 | #define JME_NAPI_WEIGHT_VAL(w) *w | |
521 | #define JME_NAPI_WEIGHT_SET(w, r) *w = r | |
522 | #define DECLARE_NETDEV struct net_device *netdev = jme->dev; | |
523 | #define JME_RX_COMPLETE(dev, napis) netif_rx_complete(dev) | |
524 | #define JME_NAPI_ENABLE(priv) netif_poll_enable(priv->dev); | |
525 | #define JME_NAPI_DISABLE(priv) netif_poll_disable(priv->dev); | |
526 | #define JME_RX_SCHEDULE_PREP(priv) \ | |
527 | netif_rx_schedule_prep(priv->dev) | |
528 | #define JME_RX_SCHEDULE(priv) \ | |
529 | __netif_rx_schedule(priv->dev); | |
530 | #else | |
531 | #define DECLARE_NAPI_STRUCT struct napi_struct napi; | |
532 | #define NETIF_NAPI_SET(dev, napis, pollfn, q) \ | |
533 | netif_napi_add(dev, napis, pollfn, q); | |
534 | #define JME_NAPI_HOLDER(holder) struct napi_struct *holder | |
535 | #define JME_NAPI_WEIGHT(w) int w | |
536 | #define JME_NAPI_WEIGHT_VAL(w) w | |
537 | #define JME_NAPI_WEIGHT_SET(w, r) | |
538 | #define DECLARE_NETDEV | |
539 | #define JME_RX_COMPLETE(dev, napis) napi_complete(napis) | |
540 | #define JME_NAPI_ENABLE(priv) napi_enable(&priv->napi); | |
541 | #define JME_NAPI_DISABLE(priv) \ | |
542 | if (!napi_disable_pending(&priv->napi)) \ | |
543 | napi_disable(&priv->napi); | |
544 | #define JME_RX_SCHEDULE_PREP(priv) \ | |
545 | napi_schedule_prep(&priv->napi) | |
546 | #define JME_RX_SCHEDULE(priv) \ | |
547 | __napi_schedule(&priv->napi); | |
548 | #endif | |
549 | ||
550 | #if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,38) | |
551 | #define JME_NEW_PM_API | |
552 | #endif | |
553 | ||
554 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,26) | |
555 | static inline __u32 ethtool_cmd_speed(struct ethtool_cmd *ep) | |
556 | { | |
557 | return ep->speed; | |
558 | } | |
559 | #endif | |
560 | ||
561 | /* | |
562 | * Jmac Adapter Private data | |
563 | */ | |
564 | struct jme_adapter { | |
565 | struct pci_dev *pdev; | |
566 | struct net_device *dev; | |
567 | void __iomem *regs; | |
568 | struct mii_if_info mii_if; | |
569 | struct jme_ring rxring[RX_RING_NR]; | |
570 | struct jme_ring txring[TX_RING_NR]; | |
571 | spinlock_t phy_lock; | |
572 | spinlock_t macaddr_lock; | |
573 | spinlock_t rxmcs_lock; | |
574 | struct tasklet_struct rxempty_task; | |
575 | struct tasklet_struct rxclean_task; | |
576 | struct tasklet_struct txclean_task; | |
577 | struct tasklet_struct linkch_task; | |
578 | struct tasklet_struct pcc_task; | |
579 | unsigned long flags; | |
580 | u32 reg_txcs; | |
581 | u32 reg_txpfc; | |
582 | u32 reg_rxcs; | |
583 | u32 reg_rxmcs; | |
584 | u32 reg_ghc; | |
585 | u32 reg_pmcs; | |
586 | u32 reg_gpreg1; | |
587 | u32 phylink; | |
588 | u32 tx_ring_size; | |
589 | u32 tx_ring_mask; | |
590 | u32 tx_wake_threshold; | |
591 | u32 rx_ring_size; | |
592 | u32 rx_ring_mask; | |
593 | u8 mrrs; | |
594 | unsigned int fpgaver; | |
595 | u8 chiprev; | |
596 | u8 chip_main_rev; | |
597 | u8 chip_sub_rev; | |
598 | u8 pcirev; | |
599 | u32 msg_enable; | |
600 | struct ethtool_cmd old_ecmd; | |
601 | unsigned int old_mtu; | |
602 | #ifndef __UNIFY_VLAN_RX_PATH__ | |
603 | struct vlan_group *vlgrp; | |
604 | #endif | |
605 | struct dynpcc_info dpi; | |
606 | atomic_t intr_sem; | |
607 | atomic_t link_changing; | |
608 | atomic_t tx_cleaning; | |
609 | atomic_t rx_cleaning; | |
610 | atomic_t rx_empty; | |
611 | int (*jme_rx)(struct sk_buff *skb); | |
612 | #ifndef __UNIFY_VLAN_RX_PATH__ | |
613 | int (*jme_vlan_rx)(struct sk_buff *skb, | |
614 | struct vlan_group *grp, | |
615 | unsigned short vlan_tag); | |
616 | #endif | |
617 | DECLARE_NAPI_STRUCT | |
618 | DECLARE_NET_DEVICE_STATS | |
619 | }; | |
620 | ||
621 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,21) | |
622 | static struct net_device_stats * | |
623 | jme_get_stats(struct net_device *netdev) | |
624 | { | |
625 | struct jme_adapter *jme = netdev_priv(netdev); | |
626 | return &jme->stats; | |
627 | } | |
628 | #endif | |
629 | ||
630 | enum jme_flags_bits { | |
631 | JME_FLAG_MSI = 1, | |
632 | JME_FLAG_SSET = 2, | |
633 | #ifndef __USE_NDO_FIX_FEATURES__ | |
634 | JME_FLAG_TXCSUM = 3, | |
635 | JME_FLAG_TSO = 4, | |
636 | #endif | |
637 | JME_FLAG_POLL = 5, | |
638 | JME_FLAG_SHUTDOWN = 6, | |
639 | }; | |
640 | ||
641 | #define TX_TIMEOUT (5 * HZ) | |
642 | #define JME_REG_LEN 0x500 | |
643 | #define MAX_ETHERNET_JUMBO_PACKET_SIZE 9216 | |
644 | ||
645 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,23) | |
646 | static inline struct jme_adapter* | |
647 | jme_napi_priv(struct net_device *holder) | |
648 | { | |
649 | struct jme_adapter *jme; | |
650 | jme = netdev_priv(holder); | |
651 | return jme; | |
652 | } | |
653 | #else | |
654 | static inline struct jme_adapter* | |
655 | jme_napi_priv(struct napi_struct *napi) | |
656 | { | |
657 | struct jme_adapter *jme; | |
658 | jme = container_of(napi, struct jme_adapter, napi); | |
659 | return jme; | |
660 | } | |
661 | #endif | |
662 | ||
663 | /* | |
664 | * MMaped I/O Resters | |
665 | */ | |
666 | enum jme_iomap_offsets { | |
667 | JME_MAC = 0x0000, | |
668 | JME_PHY = 0x0400, | |
669 | JME_MISC = 0x0800, | |
670 | JME_RSS = 0x0C00, | |
671 | }; | |
672 | ||
673 | enum jme_iomap_lens { | |
674 | JME_MAC_LEN = 0x80, | |
675 | JME_PHY_LEN = 0x58, | |
676 | JME_MISC_LEN = 0x98, | |
677 | JME_RSS_LEN = 0xFF, | |
678 | }; | |
679 | ||
680 | enum jme_iomap_regs { | |
681 | JME_TXCS = JME_MAC | 0x00, /* Transmit Control and Status */ | |
682 | JME_TXDBA_LO = JME_MAC | 0x04, /* Transmit Queue Desc Base Addr */ | |
683 | JME_TXDBA_HI = JME_MAC | 0x08, /* Transmit Queue Desc Base Addr */ | |
684 | JME_TXQDC = JME_MAC | 0x0C, /* Transmit Queue Desc Count */ | |
685 | JME_TXNDA = JME_MAC | 0x10, /* Transmit Queue Next Desc Addr */ | |
686 | JME_TXMCS = JME_MAC | 0x14, /* Transmit MAC Control Status */ | |
687 | JME_TXPFC = JME_MAC | 0x18, /* Transmit Pause Frame Control */ | |
688 | JME_TXTRHD = JME_MAC | 0x1C, /* Transmit Timer/Retry@Half-Dup */ | |
689 | ||
690 | JME_RXCS = JME_MAC | 0x20, /* Receive Control and Status */ | |
691 | JME_RXDBA_LO = JME_MAC | 0x24, /* Receive Queue Desc Base Addr */ | |
692 | JME_RXDBA_HI = JME_MAC | 0x28, /* Receive Queue Desc Base Addr */ | |
693 | JME_RXQDC = JME_MAC | 0x2C, /* Receive Queue Desc Count */ | |
694 | JME_RXNDA = JME_MAC | 0x30, /* Receive Queue Next Desc Addr */ | |
695 | JME_RXMCS = JME_MAC | 0x34, /* Receive MAC Control Status */ | |
696 | JME_RXUMA_LO = JME_MAC | 0x38, /* Receive Unicast MAC Address */ | |
697 | JME_RXUMA_HI = JME_MAC | 0x3C, /* Receive Unicast MAC Address */ | |
698 | JME_RXMCHT_LO = JME_MAC | 0x40, /* Recv Multicast Addr HashTable */ | |
699 | JME_RXMCHT_HI = JME_MAC | 0x44, /* Recv Multicast Addr HashTable */ | |
700 | JME_WFODP = JME_MAC | 0x48, /* Wakeup Frame Output Data Port */ | |
701 | JME_WFOI = JME_MAC | 0x4C, /* Wakeup Frame Output Interface */ | |
702 | ||
703 | JME_SMI = JME_MAC | 0x50, /* Station Management Interface */ | |
704 | JME_GHC = JME_MAC | 0x54, /* Global Host Control */ | |
705 | JME_PMCS = JME_MAC | 0x60, /* Power Management Control/Stat */ | |
706 | ||
707 | ||
708 | JME_PHY_PWR = JME_PHY | 0x24, /* New PHY Power Ctrl Register */ | |
709 | JME_PHY_CS = JME_PHY | 0x28, /* PHY Ctrl and Status Register */ | |
710 | JME_PHY_LINK = JME_PHY | 0x30, /* PHY Link Status Register */ | |
711 | JME_SMBCSR = JME_PHY | 0x40, /* SMB Control and Status */ | |
712 | JME_SMBINTF = JME_PHY | 0x44, /* SMB Interface */ | |
713 | ||
714 | ||
715 | JME_TMCSR = JME_MISC | 0x00, /* Timer Control/Status Register */ | |
716 | JME_GPREG0 = JME_MISC | 0x08, /* General purpose REG-0 */ | |
717 | JME_GPREG1 = JME_MISC | 0x0C, /* General purpose REG-1 */ | |
718 | JME_IEVE = JME_MISC | 0x20, /* Interrupt Event Status */ | |
719 | JME_IREQ = JME_MISC | 0x24, /* Intr Req Status(For Debug) */ | |
720 | JME_IENS = JME_MISC | 0x28, /* Intr Enable - Setting Port */ | |
721 | JME_IENC = JME_MISC | 0x2C, /* Interrupt Enable - Clear Port */ | |
722 | JME_PCCRX0 = JME_MISC | 0x30, /* PCC Control for RX Queue 0 */ | |
723 | JME_PCCTX = JME_MISC | 0x40, /* PCC Control for TX Queues */ | |
724 | JME_CHIPMODE = JME_MISC | 0x44, /* Identify FPGA Version */ | |
725 | JME_SHBA_HI = JME_MISC | 0x48, /* Shadow Register Base HI */ | |
726 | JME_SHBA_LO = JME_MISC | 0x4C, /* Shadow Register Base LO */ | |
727 | JME_TIMER1 = JME_MISC | 0x70, /* Timer1 */ | |
728 | JME_TIMER2 = JME_MISC | 0x74, /* Timer2 */ | |
729 | JME_APMC = JME_MISC | 0x7C, /* Aggressive Power Mode Control */ | |
730 | JME_PCCSRX0 = JME_MISC | 0x80, /* PCC Status of RX0 */ | |
731 | }; | |
732 | ||
733 | /* | |
734 | * TX Control/Status Bits | |
735 | */ | |
736 | enum jme_txcs_bits { | |
737 | TXCS_QUEUE7S = 0x00008000, | |
738 | TXCS_QUEUE6S = 0x00004000, | |
739 | TXCS_QUEUE5S = 0x00002000, | |
740 | TXCS_QUEUE4S = 0x00001000, | |
741 | TXCS_QUEUE3S = 0x00000800, | |
742 | TXCS_QUEUE2S = 0x00000400, | |
743 | TXCS_QUEUE1S = 0x00000200, | |
744 | TXCS_QUEUE0S = 0x00000100, | |
745 | TXCS_FIFOTH = 0x000000C0, | |
746 | TXCS_DMASIZE = 0x00000030, | |
747 | TXCS_BURST = 0x00000004, | |
748 | TXCS_ENABLE = 0x00000001, | |
749 | }; | |
750 | ||
751 | enum jme_txcs_value { | |
752 | TXCS_FIFOTH_16QW = 0x000000C0, | |
753 | TXCS_FIFOTH_12QW = 0x00000080, | |
754 | TXCS_FIFOTH_8QW = 0x00000040, | |
755 | TXCS_FIFOTH_4QW = 0x00000000, | |
756 | ||
757 | TXCS_DMASIZE_64B = 0x00000000, | |
758 | TXCS_DMASIZE_128B = 0x00000010, | |
759 | TXCS_DMASIZE_256B = 0x00000020, | |
760 | TXCS_DMASIZE_512B = 0x00000030, | |
761 | ||
762 | TXCS_SELECT_QUEUE0 = 0x00000000, | |
763 | TXCS_SELECT_QUEUE1 = 0x00010000, | |
764 | TXCS_SELECT_QUEUE2 = 0x00020000, | |
765 | TXCS_SELECT_QUEUE3 = 0x00030000, | |
766 | TXCS_SELECT_QUEUE4 = 0x00040000, | |
767 | TXCS_SELECT_QUEUE5 = 0x00050000, | |
768 | TXCS_SELECT_QUEUE6 = 0x00060000, | |
769 | TXCS_SELECT_QUEUE7 = 0x00070000, | |
770 | ||
771 | TXCS_DEFAULT = TXCS_FIFOTH_4QW | | |
772 | TXCS_BURST, | |
773 | }; | |
774 | ||
775 | #define JME_TX_DISABLE_TIMEOUT 10 /* 10 msec */ | |
776 | ||
777 | /* | |
778 | * TX MAC Control/Status Bits | |
779 | */ | |
780 | enum jme_txmcs_bit_masks { | |
781 | TXMCS_IFG2 = 0xC0000000, | |
782 | TXMCS_IFG1 = 0x30000000, | |
783 | TXMCS_TTHOLD = 0x00000300, | |
784 | TXMCS_FBURST = 0x00000080, | |
785 | TXMCS_CARRIEREXT = 0x00000040, | |
786 | TXMCS_DEFER = 0x00000020, | |
787 | TXMCS_BACKOFF = 0x00000010, | |
788 | TXMCS_CARRIERSENSE = 0x00000008, | |
789 | TXMCS_COLLISION = 0x00000004, | |
790 | TXMCS_CRC = 0x00000002, | |
791 | TXMCS_PADDING = 0x00000001, | |
792 | }; | |
793 | ||
794 | enum jme_txmcs_values { | |
795 | TXMCS_IFG2_6_4 = 0x00000000, | |
796 | TXMCS_IFG2_8_5 = 0x40000000, | |
797 | TXMCS_IFG2_10_6 = 0x80000000, | |
798 | TXMCS_IFG2_12_7 = 0xC0000000, | |
799 | ||
800 | TXMCS_IFG1_8_4 = 0x00000000, | |
801 | TXMCS_IFG1_12_6 = 0x10000000, | |
802 | TXMCS_IFG1_16_8 = 0x20000000, | |
803 | TXMCS_IFG1_20_10 = 0x30000000, | |
804 | ||
805 | TXMCS_TTHOLD_1_8 = 0x00000000, | |
806 | TXMCS_TTHOLD_1_4 = 0x00000100, | |
807 | TXMCS_TTHOLD_1_2 = 0x00000200, | |
808 | TXMCS_TTHOLD_FULL = 0x00000300, | |
809 | ||
810 | TXMCS_DEFAULT = TXMCS_IFG2_8_5 | | |
811 | TXMCS_IFG1_16_8 | | |
812 | TXMCS_TTHOLD_FULL | | |
813 | TXMCS_DEFER | | |
814 | TXMCS_CRC | | |
815 | TXMCS_PADDING, | |
816 | }; | |
817 | ||
818 | enum jme_txpfc_bits_masks { | |
819 | TXPFC_VLAN_TAG = 0xFFFF0000, | |
820 | TXPFC_VLAN_EN = 0x00008000, | |
821 | TXPFC_PF_EN = 0x00000001, | |
822 | }; | |
823 | ||
824 | enum jme_txtrhd_bits_masks { | |
825 | TXTRHD_TXPEN = 0x80000000, | |
826 | TXTRHD_TXP = 0x7FFFFF00, | |
827 | TXTRHD_TXREN = 0x00000080, | |
828 | TXTRHD_TXRL = 0x0000007F, | |
829 | }; | |
830 | ||
831 | enum jme_txtrhd_shifts { | |
832 | TXTRHD_TXP_SHIFT = 8, | |
833 | TXTRHD_TXRL_SHIFT = 0, | |
834 | }; | |
835 | ||
836 | enum jme_txtrhd_values { | |
837 | TXTRHD_FULLDUPLEX = 0x00000000, | |
838 | TXTRHD_HALFDUPLEX = TXTRHD_TXPEN | | |
839 | ((0x2000 << TXTRHD_TXP_SHIFT) & TXTRHD_TXP) | | |
840 | TXTRHD_TXREN | | |
841 | ((8 << TXTRHD_TXRL_SHIFT) & TXTRHD_TXRL), | |
842 | }; | |
843 | ||
844 | /* | |
845 | * RX Control/Status Bits | |
846 | */ | |
847 | enum jme_rxcs_bit_masks { | |
848 | /* FIFO full threshold for transmitting Tx Pause Packet */ | |
849 | RXCS_FIFOTHTP = 0x30000000, | |
850 | /* FIFO threshold for processing next packet */ | |
851 | RXCS_FIFOTHNP = 0x0C000000, | |
852 | RXCS_DMAREQSZ = 0x03000000, /* DMA Request Size */ | |
853 | RXCS_QUEUESEL = 0x00030000, /* Queue selection */ | |
854 | RXCS_RETRYGAP = 0x0000F000, /* RX Desc full retry gap */ | |
855 | RXCS_RETRYCNT = 0x00000F00, /* RX Desc full retry counter */ | |
856 | RXCS_WAKEUP = 0x00000040, /* Enable receive wakeup packet */ | |
857 | RXCS_MAGIC = 0x00000020, /* Enable receive magic packet */ | |
858 | RXCS_SHORT = 0x00000010, /* Enable receive short packet */ | |
859 | RXCS_ABORT = 0x00000008, /* Enable receive errorr packet */ | |
860 | RXCS_QST = 0x00000004, /* Receive queue start */ | |
861 | RXCS_SUSPEND = 0x00000002, | |
862 | RXCS_ENABLE = 0x00000001, | |
863 | }; | |
864 | ||
865 | enum jme_rxcs_values { | |
866 | RXCS_FIFOTHTP_16T = 0x00000000, | |
867 | RXCS_FIFOTHTP_32T = 0x10000000, | |
868 | RXCS_FIFOTHTP_64T = 0x20000000, | |
869 | RXCS_FIFOTHTP_128T = 0x30000000, | |
870 | ||
871 | RXCS_FIFOTHNP_16QW = 0x00000000, | |
872 | RXCS_FIFOTHNP_32QW = 0x04000000, | |
873 | RXCS_FIFOTHNP_64QW = 0x08000000, | |
874 | RXCS_FIFOTHNP_128QW = 0x0C000000, | |
875 | ||
876 | RXCS_DMAREQSZ_16B = 0x00000000, | |
877 | RXCS_DMAREQSZ_32B = 0x01000000, | |
878 | RXCS_DMAREQSZ_64B = 0x02000000, | |
879 | RXCS_DMAREQSZ_128B = 0x03000000, | |
880 | ||
881 | RXCS_QUEUESEL_Q0 = 0x00000000, | |
882 | RXCS_QUEUESEL_Q1 = 0x00010000, | |
883 | RXCS_QUEUESEL_Q2 = 0x00020000, | |
884 | RXCS_QUEUESEL_Q3 = 0x00030000, | |
885 | ||
886 | RXCS_RETRYGAP_256ns = 0x00000000, | |
887 | RXCS_RETRYGAP_512ns = 0x00001000, | |
888 | RXCS_RETRYGAP_1024ns = 0x00002000, | |
889 | RXCS_RETRYGAP_2048ns = 0x00003000, | |
890 | RXCS_RETRYGAP_4096ns = 0x00004000, | |
891 | RXCS_RETRYGAP_8192ns = 0x00005000, | |
892 | RXCS_RETRYGAP_16384ns = 0x00006000, | |
893 | RXCS_RETRYGAP_32768ns = 0x00007000, | |
894 | ||
895 | RXCS_RETRYCNT_0 = 0x00000000, | |
896 | RXCS_RETRYCNT_4 = 0x00000100, | |
897 | RXCS_RETRYCNT_8 = 0x00000200, | |
898 | RXCS_RETRYCNT_12 = 0x00000300, | |
899 | RXCS_RETRYCNT_16 = 0x00000400, | |
900 | RXCS_RETRYCNT_20 = 0x00000500, | |
901 | RXCS_RETRYCNT_24 = 0x00000600, | |
902 | RXCS_RETRYCNT_28 = 0x00000700, | |
903 | RXCS_RETRYCNT_32 = 0x00000800, | |
904 | RXCS_RETRYCNT_36 = 0x00000900, | |
905 | RXCS_RETRYCNT_40 = 0x00000A00, | |
906 | RXCS_RETRYCNT_44 = 0x00000B00, | |
907 | RXCS_RETRYCNT_48 = 0x00000C00, | |
908 | RXCS_RETRYCNT_52 = 0x00000D00, | |
909 | RXCS_RETRYCNT_56 = 0x00000E00, | |
910 | RXCS_RETRYCNT_60 = 0x00000F00, | |
911 | ||
912 | RXCS_DEFAULT = RXCS_FIFOTHTP_128T | | |
913 | RXCS_FIFOTHNP_128QW | | |
914 | RXCS_DMAREQSZ_128B | | |
915 | RXCS_RETRYGAP_256ns | | |
916 | RXCS_RETRYCNT_32, | |
917 | }; | |
918 | ||
919 | #define JME_RX_DISABLE_TIMEOUT 10 /* 10 msec */ | |
920 | ||
921 | /* | |
922 | * RX MAC Control/Status Bits | |
923 | */ | |
924 | enum jme_rxmcs_bits { | |
925 | RXMCS_ALLFRAME = 0x00000800, | |
926 | RXMCS_BRDFRAME = 0x00000400, | |
927 | RXMCS_MULFRAME = 0x00000200, | |
928 | RXMCS_UNIFRAME = 0x00000100, | |
929 | RXMCS_ALLMULFRAME = 0x00000080, | |
930 | RXMCS_MULFILTERED = 0x00000040, | |
931 | RXMCS_RXCOLLDEC = 0x00000020, | |
932 | RXMCS_FLOWCTRL = 0x00000008, | |
933 | RXMCS_VTAGRM = 0x00000004, | |
934 | RXMCS_PREPAD = 0x00000002, | |
935 | RXMCS_CHECKSUM = 0x00000001, | |
936 | ||
937 | RXMCS_DEFAULT = RXMCS_VTAGRM | | |
938 | RXMCS_PREPAD | | |
939 | RXMCS_FLOWCTRL | | |
940 | RXMCS_CHECKSUM, | |
941 | }; | |
942 | ||
943 | /* | |
944 | * Wakeup Frame setup interface registers | |
945 | */ | |
946 | #define WAKEUP_FRAME_NR 8 | |
947 | #define WAKEUP_FRAME_MASK_DWNR 4 | |
948 | ||
949 | enum jme_wfoi_bit_masks { | |
950 | WFOI_MASK_SEL = 0x00000070, | |
951 | WFOI_CRC_SEL = 0x00000008, | |
952 | WFOI_FRAME_SEL = 0x00000007, | |
953 | }; | |
954 | ||
955 | enum jme_wfoi_shifts { | |
956 | WFOI_MASK_SHIFT = 4, | |
957 | }; | |
958 | ||
959 | /* | |
960 | * SMI Related definitions | |
961 | */ | |
962 | enum jme_smi_bit_mask { | |
963 | SMI_DATA_MASK = 0xFFFF0000, | |
964 | SMI_REG_ADDR_MASK = 0x0000F800, | |
965 | SMI_PHY_ADDR_MASK = 0x000007C0, | |
966 | SMI_OP_WRITE = 0x00000020, | |
967 | /* Set to 1, after req done it'll be cleared to 0 */ | |
968 | SMI_OP_REQ = 0x00000010, | |
969 | SMI_OP_MDIO = 0x00000008, /* Software assess In/Out */ | |
970 | SMI_OP_MDOE = 0x00000004, /* Software Output Enable */ | |
971 | SMI_OP_MDC = 0x00000002, /* Software CLK Control */ | |
972 | SMI_OP_MDEN = 0x00000001, /* Software access Enable */ | |
973 | }; | |
974 | ||
975 | enum jme_smi_bit_shift { | |
976 | SMI_DATA_SHIFT = 16, | |
977 | SMI_REG_ADDR_SHIFT = 11, | |
978 | SMI_PHY_ADDR_SHIFT = 6, | |
979 | }; | |
980 | ||
981 | static inline u32 smi_reg_addr(int x) | |
982 | { | |
983 | return (x << SMI_REG_ADDR_SHIFT) & SMI_REG_ADDR_MASK; | |
984 | } | |
985 | ||
986 | static inline u32 smi_phy_addr(int x) | |
987 | { | |
988 | return (x << SMI_PHY_ADDR_SHIFT) & SMI_PHY_ADDR_MASK; | |
989 | } | |
990 | ||
991 | #define JME_PHY_TIMEOUT 100 /* 100 msec */ | |
992 | #define JME_PHY_REG_NR 32 | |
993 | ||
994 | /* | |
995 | * Global Host Control | |
996 | */ | |
997 | enum jme_ghc_bit_mask { | |
998 | GHC_SWRST = 0x40000000, | |
999 | GHC_TO_CLK_SRC = 0x00C00000, | |
1000 | GHC_TXMAC_CLK_SRC = 0x00300000, | |
1001 | GHC_DPX = 0x00000040, | |
1002 | GHC_SPEED = 0x00000030, | |
1003 | GHC_LINK_POLL = 0x00000001, | |
1004 | }; | |
1005 | ||
1006 | enum jme_ghc_speed_val { | |
1007 | GHC_SPEED_10M = 0x00000010, | |
1008 | GHC_SPEED_100M = 0x00000020, | |
1009 | GHC_SPEED_1000M = 0x00000030, | |
1010 | }; | |
1011 | ||
1012 | enum jme_ghc_to_clk { | |
1013 | GHC_TO_CLK_OFF = 0x00000000, | |
1014 | GHC_TO_CLK_GPHY = 0x00400000, | |
1015 | GHC_TO_CLK_PCIE = 0x00800000, | |
1016 | GHC_TO_CLK_INVALID = 0x00C00000, | |
1017 | }; | |
1018 | ||
1019 | enum jme_ghc_txmac_clk { | |
1020 | GHC_TXMAC_CLK_OFF = 0x00000000, | |
1021 | GHC_TXMAC_CLK_GPHY = 0x00100000, | |
1022 | GHC_TXMAC_CLK_PCIE = 0x00200000, | |
1023 | GHC_TXMAC_CLK_INVALID = 0x00300000, | |
1024 | }; | |
1025 | ||
1026 | /* | |
1027 | * Power management control and status register | |
1028 | */ | |
1029 | enum jme_pmcs_bit_masks { | |
1030 | PMCS_STMASK = 0xFFFF0000, | |
1031 | PMCS_WF7DET = 0x80000000, | |
1032 | PMCS_WF6DET = 0x40000000, | |
1033 | PMCS_WF5DET = 0x20000000, | |
1034 | PMCS_WF4DET = 0x10000000, | |
1035 | PMCS_WF3DET = 0x08000000, | |
1036 | PMCS_WF2DET = 0x04000000, | |
1037 | PMCS_WF1DET = 0x02000000, | |
1038 | PMCS_WF0DET = 0x01000000, | |
1039 | PMCS_LFDET = 0x00040000, | |
1040 | PMCS_LRDET = 0x00020000, | |
1041 | PMCS_MFDET = 0x00010000, | |
1042 | PMCS_ENMASK = 0x0000FFFF, | |
1043 | PMCS_WF7EN = 0x00008000, | |
1044 | PMCS_WF6EN = 0x00004000, | |
1045 | PMCS_WF5EN = 0x00002000, | |
1046 | PMCS_WF4EN = 0x00001000, | |
1047 | PMCS_WF3EN = 0x00000800, | |
1048 | PMCS_WF2EN = 0x00000400, | |
1049 | PMCS_WF1EN = 0x00000200, | |
1050 | PMCS_WF0EN = 0x00000100, | |
1051 | PMCS_LFEN = 0x00000004, | |
1052 | PMCS_LREN = 0x00000002, | |
1053 | PMCS_MFEN = 0x00000001, | |
1054 | }; | |
1055 | ||
1056 | /* | |
1057 | * New PHY Power Control Register | |
1058 | */ | |
1059 | enum jme_phy_pwr_bit_masks { | |
1060 | PHY_PWR_DWN1SEL = 0x01000000, /* Phy_giga.p_PWR_DOWN1_SEL */ | |
1061 | PHY_PWR_DWN1SW = 0x02000000, /* Phy_giga.p_PWR_DOWN1_SW */ | |
1062 | PHY_PWR_DWN2 = 0x04000000, /* Phy_giga.p_PWR_DOWN2 */ | |
1063 | PHY_PWR_CLKSEL = 0x08000000, /* | |
1064 | * XTL_OUT Clock select | |
1065 | * (an internal free-running clock) | |
1066 | * 0: xtl_out = phy_giga.A_XTL25_O | |
1067 | * 1: xtl_out = phy_giga.PD_OSC | |
1068 | */ | |
1069 | }; | |
1070 | ||
1071 | /* | |
1072 | * Giga PHY Status Registers | |
1073 | */ | |
1074 | enum jme_phy_link_bit_mask { | |
1075 | PHY_LINK_SPEED_MASK = 0x0000C000, | |
1076 | PHY_LINK_DUPLEX = 0x00002000, | |
1077 | PHY_LINK_SPEEDDPU_RESOLVED = 0x00000800, | |
1078 | PHY_LINK_UP = 0x00000400, | |
1079 | PHY_LINK_AUTONEG_COMPLETE = 0x00000200, | |
1080 | PHY_LINK_MDI_STAT = 0x00000040, | |
1081 | }; | |
1082 | ||
1083 | enum jme_phy_link_speed_val { | |
1084 | PHY_LINK_SPEED_10M = 0x00000000, | |
1085 | PHY_LINK_SPEED_100M = 0x00004000, | |
1086 | PHY_LINK_SPEED_1000M = 0x00008000, | |
1087 | }; | |
1088 | ||
1089 | #define JME_SPDRSV_TIMEOUT 500 /* 500 us */ | |
1090 | ||
1091 | /* | |
1092 | * SMB Control and Status | |
1093 | */ | |
1094 | enum jme_smbcsr_bit_mask { | |
1095 | SMBCSR_CNACK = 0x00020000, | |
1096 | SMBCSR_RELOAD = 0x00010000, | |
1097 | SMBCSR_EEPROMD = 0x00000020, | |
1098 | SMBCSR_INITDONE = 0x00000010, | |
1099 | SMBCSR_BUSY = 0x0000000F, | |
1100 | }; | |
1101 | ||
1102 | enum jme_smbintf_bit_mask { | |
1103 | SMBINTF_HWDATR = 0xFF000000, | |
1104 | SMBINTF_HWDATW = 0x00FF0000, | |
1105 | SMBINTF_HWADDR = 0x0000FF00, | |
1106 | SMBINTF_HWRWN = 0x00000020, | |
1107 | SMBINTF_HWCMD = 0x00000010, | |
1108 | SMBINTF_FASTM = 0x00000008, | |
1109 | SMBINTF_GPIOSCL = 0x00000004, | |
1110 | SMBINTF_GPIOSDA = 0x00000002, | |
1111 | SMBINTF_GPIOEN = 0x00000001, | |
1112 | }; | |
1113 | ||
1114 | enum jme_smbintf_vals { | |
1115 | SMBINTF_HWRWN_READ = 0x00000020, | |
1116 | SMBINTF_HWRWN_WRITE = 0x00000000, | |
1117 | }; | |
1118 | ||
1119 | enum jme_smbintf_shifts { | |
1120 | SMBINTF_HWDATR_SHIFT = 24, | |
1121 | SMBINTF_HWDATW_SHIFT = 16, | |
1122 | SMBINTF_HWADDR_SHIFT = 8, | |
1123 | }; | |
1124 | ||
1125 | #define JME_EEPROM_RELOAD_TIMEOUT 2000 /* 2000 msec */ | |
1126 | #define JME_SMB_BUSY_TIMEOUT 20 /* 20 msec */ | |
1127 | #define JME_SMB_LEN 256 | |
1128 | #define JME_EEPROM_MAGIC 0x250 | |
1129 | ||
1130 | /* | |
1131 | * Timer Control/Status Register | |
1132 | */ | |
1133 | enum jme_tmcsr_bit_masks { | |
1134 | TMCSR_SWIT = 0x80000000, | |
1135 | TMCSR_EN = 0x01000000, | |
1136 | TMCSR_CNT = 0x00FFFFFF, | |
1137 | }; | |
1138 | ||
1139 | /* | |
1140 | * General Purpose REG-0 | |
1141 | */ | |
1142 | enum jme_gpreg0_masks { | |
1143 | GPREG0_DISSH = 0xFF000000, | |
1144 | GPREG0_PCIRLMT = 0x00300000, | |
1145 | GPREG0_PCCNOMUTCLR = 0x00040000, | |
1146 | GPREG0_LNKINTPOLL = 0x00001000, | |
1147 | GPREG0_PCCTMR = 0x00000300, | |
1148 | GPREG0_PHYADDR = 0x0000001F, | |
1149 | }; | |
1150 | ||
1151 | enum jme_gpreg0_vals { | |
1152 | GPREG0_DISSH_DW7 = 0x80000000, | |
1153 | GPREG0_DISSH_DW6 = 0x40000000, | |
1154 | GPREG0_DISSH_DW5 = 0x20000000, | |
1155 | GPREG0_DISSH_DW4 = 0x10000000, | |
1156 | GPREG0_DISSH_DW3 = 0x08000000, | |
1157 | GPREG0_DISSH_DW2 = 0x04000000, | |
1158 | GPREG0_DISSH_DW1 = 0x02000000, | |
1159 | GPREG0_DISSH_DW0 = 0x01000000, | |
1160 | GPREG0_DISSH_ALL = 0xFF000000, | |
1161 | ||
1162 | GPREG0_PCIRLMT_8 = 0x00000000, | |
1163 | GPREG0_PCIRLMT_6 = 0x00100000, | |
1164 | GPREG0_PCIRLMT_5 = 0x00200000, | |
1165 | GPREG0_PCIRLMT_4 = 0x00300000, | |
1166 | ||
1167 | GPREG0_PCCTMR_16ns = 0x00000000, | |
1168 | GPREG0_PCCTMR_256ns = 0x00000100, | |
1169 | GPREG0_PCCTMR_1us = 0x00000200, | |
1170 | GPREG0_PCCTMR_1ms = 0x00000300, | |
1171 | ||
1172 | GPREG0_PHYADDR_1 = 0x00000001, | |
1173 | ||
1174 | GPREG0_DEFAULT = GPREG0_PCIRLMT_4 | | |
1175 | GPREG0_PCCTMR_1us | | |
1176 | GPREG0_PHYADDR_1, | |
1177 | }; | |
1178 | ||
1179 | /* | |
1180 | * General Purpose REG-1 | |
1181 | */ | |
1182 | enum jme_gpreg1_bit_masks { | |
1183 | GPREG1_RXCLKOFF = 0x04000000, | |
1184 | GPREG1_PCREQN = 0x00020000, | |
1185 | GPREG1_HALFMODEPATCH = 0x00000040, /* For Chip revision 0x11 only */ | |
1186 | GPREG1_RSSPATCH = 0x00000020, /* For Chip revision 0x11 only */ | |
1187 | GPREG1_INTRDELAYUNIT = 0x00000018, | |
1188 | GPREG1_INTRDELAYENABLE = 0x00000007, | |
1189 | }; | |
1190 | ||
1191 | enum jme_gpreg1_vals { | |
1192 | GPREG1_INTDLYUNIT_16NS = 0x00000000, | |
1193 | GPREG1_INTDLYUNIT_256NS = 0x00000008, | |
1194 | GPREG1_INTDLYUNIT_1US = 0x00000010, | |
1195 | GPREG1_INTDLYUNIT_16US = 0x00000018, | |
1196 | ||
1197 | GPREG1_INTDLYEN_1U = 0x00000001, | |
1198 | GPREG1_INTDLYEN_2U = 0x00000002, | |
1199 | GPREG1_INTDLYEN_3U = 0x00000003, | |
1200 | GPREG1_INTDLYEN_4U = 0x00000004, | |
1201 | GPREG1_INTDLYEN_5U = 0x00000005, | |
1202 | GPREG1_INTDLYEN_6U = 0x00000006, | |
1203 | GPREG1_INTDLYEN_7U = 0x00000007, | |
1204 | ||
1205 | GPREG1_DEFAULT = GPREG1_PCREQN, | |
1206 | }; | |
1207 | ||
1208 | /* | |
1209 | * Interrupt Status Bits | |
1210 | */ | |
1211 | enum jme_interrupt_bits { | |
1212 | INTR_SWINTR = 0x80000000, | |
1213 | INTR_TMINTR = 0x40000000, | |
1214 | INTR_LINKCH = 0x20000000, | |
1215 | INTR_PAUSERCV = 0x10000000, | |
1216 | INTR_MAGICRCV = 0x08000000, | |
1217 | INTR_WAKERCV = 0x04000000, | |
1218 | INTR_PCCRX0TO = 0x02000000, | |
1219 | INTR_PCCRX1TO = 0x01000000, | |
1220 | INTR_PCCRX2TO = 0x00800000, | |
1221 | INTR_PCCRX3TO = 0x00400000, | |
1222 | INTR_PCCTXTO = 0x00200000, | |
1223 | INTR_PCCRX0 = 0x00100000, | |
1224 | INTR_PCCRX1 = 0x00080000, | |
1225 | INTR_PCCRX2 = 0x00040000, | |
1226 | INTR_PCCRX3 = 0x00020000, | |
1227 | INTR_PCCTX = 0x00010000, | |
1228 | INTR_RX3EMP = 0x00008000, | |
1229 | INTR_RX2EMP = 0x00004000, | |
1230 | INTR_RX1EMP = 0x00002000, | |
1231 | INTR_RX0EMP = 0x00001000, | |
1232 | INTR_RX3 = 0x00000800, | |
1233 | INTR_RX2 = 0x00000400, | |
1234 | INTR_RX1 = 0x00000200, | |
1235 | INTR_RX0 = 0x00000100, | |
1236 | INTR_TX7 = 0x00000080, | |
1237 | INTR_TX6 = 0x00000040, | |
1238 | INTR_TX5 = 0x00000020, | |
1239 | INTR_TX4 = 0x00000010, | |
1240 | INTR_TX3 = 0x00000008, | |
1241 | INTR_TX2 = 0x00000004, | |
1242 | INTR_TX1 = 0x00000002, | |
1243 | INTR_TX0 = 0x00000001, | |
1244 | }; | |
1245 | ||
1246 | static const u32 INTR_ENABLE = INTR_SWINTR | | |
1247 | INTR_TMINTR | | |
1248 | INTR_LINKCH | | |
1249 | INTR_PCCRX0TO | | |
1250 | INTR_PCCRX0 | | |
1251 | INTR_PCCTXTO | | |
1252 | INTR_PCCTX | | |
1253 | INTR_RX0EMP; | |
1254 | ||
1255 | /* | |
1256 | * PCC Control Registers | |
1257 | */ | |
1258 | enum jme_pccrx_masks { | |
1259 | PCCRXTO_MASK = 0xFFFF0000, | |
1260 | PCCRX_MASK = 0x0000FF00, | |
1261 | }; | |
1262 | ||
1263 | enum jme_pcctx_masks { | |
1264 | PCCTXTO_MASK = 0xFFFF0000, | |
1265 | PCCTX_MASK = 0x0000FF00, | |
1266 | PCCTX_QS_MASK = 0x000000FF, | |
1267 | }; | |
1268 | ||
1269 | enum jme_pccrx_shifts { | |
1270 | PCCRXTO_SHIFT = 16, | |
1271 | PCCRX_SHIFT = 8, | |
1272 | }; | |
1273 | ||
1274 | enum jme_pcctx_shifts { | |
1275 | PCCTXTO_SHIFT = 16, | |
1276 | PCCTX_SHIFT = 8, | |
1277 | }; | |
1278 | ||
1279 | enum jme_pcctx_bits { | |
1280 | PCCTXQ0_EN = 0x00000001, | |
1281 | PCCTXQ1_EN = 0x00000002, | |
1282 | PCCTXQ2_EN = 0x00000004, | |
1283 | PCCTXQ3_EN = 0x00000008, | |
1284 | PCCTXQ4_EN = 0x00000010, | |
1285 | PCCTXQ5_EN = 0x00000020, | |
1286 | PCCTXQ6_EN = 0x00000040, | |
1287 | PCCTXQ7_EN = 0x00000080, | |
1288 | }; | |
1289 | ||
1290 | /* | |
1291 | * Chip Mode Register | |
1292 | */ | |
1293 | enum jme_chipmode_bit_masks { | |
1294 | CM_FPGAVER_MASK = 0xFFFF0000, | |
1295 | CM_CHIPREV_MASK = 0x0000FF00, | |
1296 | CM_CHIPMODE_MASK = 0x0000000F, | |
1297 | }; | |
1298 | ||
1299 | enum jme_chipmode_shifts { | |
1300 | CM_FPGAVER_SHIFT = 16, | |
1301 | CM_CHIPREV_SHIFT = 8, | |
1302 | }; | |
1303 | ||
1304 | /* | |
1305 | * Aggressive Power Mode Control | |
1306 | */ | |
1307 | enum jme_apmc_bits { | |
1308 | JME_APMC_PCIE_SD_EN = 0x40000000, | |
1309 | JME_APMC_PSEUDO_HP_EN = 0x20000000, | |
1310 | JME_APMC_EPIEN = 0x04000000, | |
1311 | JME_APMC_EPIEN_CTRL = 0x03000000, | |
1312 | }; | |
1313 | ||
1314 | enum jme_apmc_values { | |
1315 | JME_APMC_EPIEN_CTRL_EN = 0x02000000, | |
1316 | JME_APMC_EPIEN_CTRL_DIS = 0x01000000, | |
1317 | }; | |
1318 | ||
1319 | #define APMC_PHP_SHUTDOWN_DELAY (10 * 1000 * 1000) | |
1320 | ||
1321 | #ifdef REG_DEBUG | |
1322 | static char *MAC_REG_NAME[] = { | |
1323 | "JME_TXCS", "JME_TXDBA_LO", "JME_TXDBA_HI", "JME_TXQDC", | |
1324 | "JME_TXNDA", "JME_TXMCS", "JME_TXPFC", "JME_TXTRHD", | |
1325 | "JME_RXCS", "JME_RXDBA_LO", "JME_RXDBA_HI", "JME_RXQDC", | |
1326 | "JME_RXNDA", "JME_RXMCS", "JME_RXUMA_LO", "JME_RXUMA_HI", | |
1327 | "JME_RXMCHT_LO", "JME_RXMCHT_HI", "JME_WFODP", "JME_WFOI", | |
1328 | "JME_SMI", "JME_GHC", "UNKNOWN", "UNKNOWN", | |
1329 | "JME_PMCS"}; | |
1330 | ||
1331 | static char *PE_REG_NAME[] = { | |
1332 | "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN", | |
1333 | "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN", | |
1334 | "UNKNOWN", "UNKNOWN", "JME_PHY_CS", "UNKNOWN", | |
1335 | "JME_PHY_LINK", "UNKNOWN", "UNKNOWN", "UNKNOWN", | |
1336 | "JME_SMBCSR", "JME_SMBINTF"}; | |
1337 | ||
1338 | static char *MISC_REG_NAME[] = { | |
1339 | "JME_TMCSR", "JME_GPIO", "JME_GPREG0", "JME_GPREG1", | |
1340 | "JME_IEVE", "JME_IREQ", "JME_IENS", "JME_IENC", | |
1341 | "JME_PCCRX0", "JME_PCCRX1", "JME_PCCRX2", "JME_PCCRX3", | |
1342 | "JME_PCCTX0", "JME_CHIPMODE", "JME_SHBA_HI", "JME_SHBA_LO", | |
1343 | "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN", | |
1344 | "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN", | |
1345 | "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN", | |
1346 | "JME_TIMER1", "JME_TIMER2", "UNKNOWN", "JME_APMC", | |
1347 | "JME_PCCSRX0"}; | |
1348 | ||
1349 | static inline void reg_dbg(const struct jme_adapter *jme, | |
1350 | const char *msg, u32 val, u32 reg) | |
1351 | { | |
1352 | const char *regname; | |
1353 | switch (reg & 0xF00) { | |
1354 | case 0x000: | |
1355 | regname = MAC_REG_NAME[(reg & 0xFF) >> 2]; | |
1356 | break; | |
1357 | case 0x400: | |
1358 | regname = PE_REG_NAME[(reg & 0xFF) >> 2]; | |
1359 | break; | |
1360 | case 0x800: | |
1361 | regname = MISC_REG_NAME[(reg & 0xFF) >> 2]; | |
1362 | break; | |
1363 | default: | |
1364 | regname = PE_REG_NAME[0]; | |
1365 | } | |
1366 | printk(KERN_DEBUG "%s: %-20s %08x@%s\n", jme->dev->name, | |
1367 | msg, val, regname); | |
1368 | } | |
1369 | #else | |
1370 | static inline void reg_dbg(const struct jme_adapter *jme, | |
1371 | const char *msg, u32 val, u32 reg) {} | |
1372 | #endif | |
1373 | ||
1374 | /* | |
1375 | * Read/Write MMaped I/O Registers | |
1376 | */ | |
1377 | static inline u32 jread32(struct jme_adapter *jme, u32 reg) | |
1378 | { | |
1379 | return readl(jme->regs + reg); | |
1380 | } | |
1381 | ||
1382 | static inline void jwrite32(struct jme_adapter *jme, u32 reg, u32 val) | |
1383 | { | |
1384 | reg_dbg(jme, "REG WRITE", val, reg); | |
1385 | writel(val, jme->regs + reg); | |
1386 | reg_dbg(jme, "VAL AFTER WRITE", readl(jme->regs + reg), reg); | |
1387 | } | |
1388 | ||
1389 | static inline void jwrite32f(struct jme_adapter *jme, u32 reg, u32 val) | |
1390 | { | |
1391 | /* | |
1392 | * Read after write should cause flush | |
1393 | */ | |
1394 | reg_dbg(jme, "REG WRITE FLUSH", val, reg); | |
1395 | writel(val, jme->regs + reg); | |
1396 | readl(jme->regs + reg); | |
1397 | reg_dbg(jme, "VAL AFTER WRITE", readl(jme->regs + reg), reg); | |
1398 | } | |
1399 | ||
1400 | /* | |
1401 | * PHY Regs | |
1402 | */ | |
1403 | enum jme_phy_reg17_bit_masks { | |
1404 | PREG17_SPEED = 0xC000, | |
1405 | PREG17_DUPLEX = 0x2000, | |
1406 | PREG17_SPDRSV = 0x0800, | |
1407 | PREG17_LNKUP = 0x0400, | |
1408 | PREG17_MDI = 0x0040, | |
1409 | }; | |
1410 | ||
1411 | enum jme_phy_reg17_vals { | |
1412 | PREG17_SPEED_10M = 0x0000, | |
1413 | PREG17_SPEED_100M = 0x4000, | |
1414 | PREG17_SPEED_1000M = 0x8000, | |
1415 | }; | |
1416 | ||
1417 | #define BMSR_ANCOMP 0x0020 | |
1418 | ||
1419 | /* | |
1420 | * Workaround | |
1421 | */ | |
1422 | static inline int is_buggy250(unsigned short device, u8 chiprev) | |
1423 | { | |
1424 | return device == PCI_DEVICE_ID_JMICRON_JMC250 && chiprev == 0x11; | |
1425 | } | |
1426 | ||
1427 | static inline int new_phy_power_ctrl(u8 chip_main_rev) | |
1428 | { | |
1429 | return chip_main_rev >= 5; | |
1430 | } | |
1431 | ||
1432 | /* | |
1433 | * Function prototypes | |
1434 | */ | |
1435 | static int jme_set_settings(struct net_device *netdev, | |
1436 | struct ethtool_cmd *ecmd); | |
1437 | static void jme_set_unicastaddr(struct net_device *netdev); | |
1438 | static void jme_set_multi(struct net_device *netdev); | |
1439 | ||
1440 | #endif | |
1441 |