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ac718b69 | 1 | /* |
2 | * Copyright (c) 2013 Realtek Semiconductor Corp. All rights reserved. | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or | |
5 | * modify it under the terms of the GNU General Public License | |
6 | * version 2 as published by the Free Software Foundation. | |
7 | * | |
8 | */ | |
9 | ||
10 | #include <linux/init.h> | |
11 | #include <linux/signal.h> | |
12 | #include <linux/slab.h> | |
13 | #include <linux/module.h> | |
ac718b69 | 14 | #include <linux/netdevice.h> |
15 | #include <linux/etherdevice.h> | |
16 | #include <linux/mii.h> | |
17 | #include <linux/ethtool.h> | |
18 | #include <linux/usb.h> | |
19 | #include <linux/crc32.h> | |
20 | #include <linux/if_vlan.h> | |
21 | #include <linux/uaccess.h> | |
22 | ||
23 | /* Version Information */ | |
24 | #define DRIVER_VERSION "v1.0.0 (2013/05/03)" | |
25 | #define DRIVER_AUTHOR "Realtek linux nic maintainers <nic_swsd@realtek.com>" | |
26 | #define DRIVER_DESC "Realtek RTL8152 Based USB 2.0 Ethernet Adapters" | |
27 | #define MODULENAME "r8152" | |
28 | ||
29 | #define R8152_PHY_ID 32 | |
30 | ||
31 | #define PLA_IDR 0xc000 | |
32 | #define PLA_RCR 0xc010 | |
33 | #define PLA_RMS 0xc016 | |
34 | #define PLA_RXFIFO_CTRL0 0xc0a0 | |
35 | #define PLA_RXFIFO_CTRL1 0xc0a4 | |
36 | #define PLA_RXFIFO_CTRL2 0xc0a8 | |
37 | #define PLA_FMC 0xc0b4 | |
38 | #define PLA_CFG_WOL 0xc0b6 | |
39 | #define PLA_MAR 0xcd00 | |
40 | #define PAL_BDC_CR 0xd1a0 | |
41 | #define PLA_LEDSEL 0xdd90 | |
42 | #define PLA_LED_FEATURE 0xdd92 | |
43 | #define PLA_PHYAR 0xde00 | |
44 | #define PLA_GPHY_INTR_IMR 0xe022 | |
45 | #define PLA_EEE_CR 0xe040 | |
46 | #define PLA_EEEP_CR 0xe080 | |
47 | #define PLA_MAC_PWR_CTRL 0xe0c0 | |
48 | #define PLA_TCR0 0xe610 | |
49 | #define PLA_TCR1 0xe612 | |
50 | #define PLA_TXFIFO_CTRL 0xe618 | |
51 | #define PLA_RSTTELLY 0xe800 | |
52 | #define PLA_CR 0xe813 | |
53 | #define PLA_CRWECR 0xe81c | |
54 | #define PLA_CONFIG5 0xe822 | |
55 | #define PLA_PHY_PWR 0xe84c | |
56 | #define PLA_OOB_CTRL 0xe84f | |
57 | #define PLA_CPCR 0xe854 | |
58 | #define PLA_MISC_0 0xe858 | |
59 | #define PLA_MISC_1 0xe85a | |
60 | #define PLA_OCP_GPHY_BASE 0xe86c | |
61 | #define PLA_TELLYCNT 0xe890 | |
62 | #define PLA_SFF_STS_7 0xe8de | |
63 | #define PLA_PHYSTATUS 0xe908 | |
64 | #define PLA_BP_BA 0xfc26 | |
65 | #define PLA_BP_0 0xfc28 | |
66 | #define PLA_BP_1 0xfc2a | |
67 | #define PLA_BP_2 0xfc2c | |
68 | #define PLA_BP_3 0xfc2e | |
69 | #define PLA_BP_4 0xfc30 | |
70 | #define PLA_BP_5 0xfc32 | |
71 | #define PLA_BP_6 0xfc34 | |
72 | #define PLA_BP_7 0xfc36 | |
73 | ||
74 | #define USB_DEV_STAT 0xb808 | |
75 | #define USB_USB_CTRL 0xd406 | |
76 | #define USB_PHY_CTRL 0xd408 | |
77 | #define USB_TX_AGG 0xd40a | |
78 | #define USB_RX_BUF_TH 0xd40c | |
79 | #define USB_USB_TIMER 0xd428 | |
80 | #define USB_PM_CTRL_STATUS 0xd432 | |
81 | #define USB_TX_DMA 0xd434 | |
82 | #define USB_UPS_CTRL 0xd800 | |
83 | #define USB_BP_BA 0xfc26 | |
84 | #define USB_BP_0 0xfc28 | |
85 | #define USB_BP_1 0xfc2a | |
86 | #define USB_BP_2 0xfc2c | |
87 | #define USB_BP_3 0xfc2e | |
88 | #define USB_BP_4 0xfc30 | |
89 | #define USB_BP_5 0xfc32 | |
90 | #define USB_BP_6 0xfc34 | |
91 | #define USB_BP_7 0xfc36 | |
92 | ||
93 | /* OCP Registers */ | |
94 | #define OCP_ALDPS_CONFIG 0x2010 | |
95 | #define OCP_EEE_CONFIG1 0x2080 | |
96 | #define OCP_EEE_CONFIG2 0x2092 | |
97 | #define OCP_EEE_CONFIG3 0x2094 | |
98 | #define OCP_EEE_AR 0xa41a | |
99 | #define OCP_EEE_DATA 0xa41c | |
100 | ||
101 | /* PLA_RCR */ | |
102 | #define RCR_AAP 0x00000001 | |
103 | #define RCR_APM 0x00000002 | |
104 | #define RCR_AM 0x00000004 | |
105 | #define RCR_AB 0x00000008 | |
106 | #define RCR_ACPT_ALL (RCR_AAP | RCR_APM | RCR_AM | RCR_AB) | |
107 | ||
108 | /* PLA_RXFIFO_CTRL0 */ | |
109 | #define RXFIFO_THR1_NORMAL 0x00080002 | |
110 | #define RXFIFO_THR1_OOB 0x01800003 | |
111 | ||
112 | /* PLA_RXFIFO_CTRL1 */ | |
113 | #define RXFIFO_THR2_FULL 0x00000060 | |
114 | #define RXFIFO_THR2_HIGH 0x00000038 | |
115 | #define RXFIFO_THR2_OOB 0x0000004a | |
116 | ||
117 | /* PLA_RXFIFO_CTRL2 */ | |
118 | #define RXFIFO_THR3_FULL 0x00000078 | |
119 | #define RXFIFO_THR3_HIGH 0x00000048 | |
120 | #define RXFIFO_THR3_OOB 0x0000005a | |
121 | ||
122 | /* PLA_TXFIFO_CTRL */ | |
123 | #define TXFIFO_THR_NORMAL 0x00400008 | |
124 | ||
125 | /* PLA_FMC */ | |
126 | #define FMC_FCR_MCU_EN 0x0001 | |
127 | ||
128 | /* PLA_EEEP_CR */ | |
129 | #define EEEP_CR_EEEP_TX 0x0002 | |
130 | ||
131 | /* PLA_TCR0 */ | |
132 | #define TCR0_TX_EMPTY 0x0800 | |
133 | #define TCR0_AUTO_FIFO 0x0080 | |
134 | ||
135 | /* PLA_TCR1 */ | |
136 | #define VERSION_MASK 0x7cf0 | |
137 | ||
138 | /* PLA_CR */ | |
139 | #define CR_RST 0x10 | |
140 | #define CR_RE 0x08 | |
141 | #define CR_TE 0x04 | |
142 | ||
143 | /* PLA_CRWECR */ | |
144 | #define CRWECR_NORAML 0x00 | |
145 | #define CRWECR_CONFIG 0xc0 | |
146 | ||
147 | /* PLA_OOB_CTRL */ | |
148 | #define NOW_IS_OOB 0x80 | |
149 | #define TXFIFO_EMPTY 0x20 | |
150 | #define RXFIFO_EMPTY 0x10 | |
151 | #define LINK_LIST_READY 0x02 | |
152 | #define DIS_MCU_CLROOB 0x01 | |
153 | #define FIFO_EMPTY (TXFIFO_EMPTY | RXFIFO_EMPTY) | |
154 | ||
155 | /* PLA_MISC_1 */ | |
156 | #define RXDY_GATED_EN 0x0008 | |
157 | ||
158 | /* PLA_SFF_STS_7 */ | |
159 | #define RE_INIT_LL 0x8000 | |
160 | #define MCU_BORW_EN 0x4000 | |
161 | ||
162 | /* PLA_CPCR */ | |
163 | #define CPCR_RX_VLAN 0x0040 | |
164 | ||
165 | /* PLA_CFG_WOL */ | |
166 | #define MAGIC_EN 0x0001 | |
167 | ||
168 | /* PAL_BDC_CR */ | |
169 | #define ALDPS_PROXY_MODE 0x0001 | |
170 | ||
171 | /* PLA_CONFIG5 */ | |
172 | #define LAN_WAKE_EN 0x0002 | |
173 | ||
174 | /* PLA_LED_FEATURE */ | |
175 | #define LED_MODE_MASK 0x0700 | |
176 | ||
177 | /* PLA_PHY_PWR */ | |
178 | #define TX_10M_IDLE_EN 0x0080 | |
179 | #define PFM_PWM_SWITCH 0x0040 | |
180 | ||
181 | /* PLA_MAC_PWR_CTRL */ | |
182 | #define D3_CLK_GATED_EN 0x00004000 | |
183 | #define MCU_CLK_RATIO 0x07010f07 | |
184 | #define MCU_CLK_RATIO_MASK 0x0f0f0f0f | |
185 | ||
186 | /* PLA_GPHY_INTR_IMR */ | |
187 | #define GPHY_STS_MSK 0x0001 | |
188 | #define SPEED_DOWN_MSK 0x0002 | |
189 | #define SPDWN_RXDV_MSK 0x0004 | |
190 | #define SPDWN_LINKCHG_MSK 0x0008 | |
191 | ||
192 | /* PLA_PHYAR */ | |
193 | #define PHYAR_FLAG 0x80000000 | |
194 | ||
195 | /* PLA_EEE_CR */ | |
196 | #define EEE_RX_EN 0x0001 | |
197 | #define EEE_TX_EN 0x0002 | |
198 | ||
199 | /* USB_DEV_STAT */ | |
200 | #define STAT_SPEED_MASK 0x0006 | |
201 | #define STAT_SPEED_HIGH 0x0000 | |
202 | #define STAT_SPEED_FULL 0x0001 | |
203 | ||
204 | /* USB_TX_AGG */ | |
205 | #define TX_AGG_MAX_THRESHOLD 0x03 | |
206 | ||
207 | /* USB_RX_BUF_TH */ | |
208 | #define RX_BUF_THR 0x7a120180 | |
209 | ||
210 | /* USB_TX_DMA */ | |
211 | #define TEST_MODE_DISABLE 0x00000001 | |
212 | #define TX_SIZE_ADJUST1 0x00000100 | |
213 | ||
214 | /* USB_UPS_CTRL */ | |
215 | #define POWER_CUT 0x0100 | |
216 | ||
217 | /* USB_PM_CTRL_STATUS */ | |
218 | #define RWSUME_INDICATE 0x0001 | |
219 | ||
220 | /* USB_USB_CTRL */ | |
221 | #define RX_AGG_DISABLE 0x0010 | |
222 | ||
223 | /* OCP_ALDPS_CONFIG */ | |
224 | #define ENPWRSAVE 0x8000 | |
225 | #define ENPDNPS 0x0200 | |
226 | #define LINKENA 0x0100 | |
227 | #define DIS_SDSAVE 0x0010 | |
228 | ||
229 | /* OCP_EEE_CONFIG1 */ | |
230 | #define RG_TXLPI_MSK_HFDUP 0x8000 | |
231 | #define RG_MATCLR_EN 0x4000 | |
232 | #define EEE_10_CAP 0x2000 | |
233 | #define EEE_NWAY_EN 0x1000 | |
234 | #define TX_QUIET_EN 0x0200 | |
235 | #define RX_QUIET_EN 0x0100 | |
236 | #define SDRISETIME 0x0010 /* bit 4 ~ 6 */ | |
237 | #define RG_RXLPI_MSK_HFDUP 0x0008 | |
238 | #define SDFALLTIME 0x0007 /* bit 0 ~ 2 */ | |
239 | ||
240 | /* OCP_EEE_CONFIG2 */ | |
241 | #define RG_LPIHYS_NUM 0x7000 /* bit 12 ~ 15 */ | |
242 | #define RG_DACQUIET_EN 0x0400 | |
243 | #define RG_LDVQUIET_EN 0x0200 | |
244 | #define RG_CKRSEL 0x0020 | |
245 | #define RG_EEEPRG_EN 0x0010 | |
246 | ||
247 | /* OCP_EEE_CONFIG3 */ | |
248 | #define FST_SNR_EYE_R 0x1500 /* bit 7 ~ 15 */ | |
249 | #define RG_LFS_SEL 0x0060 /* bit 6 ~ 5 */ | |
250 | #define MSK_PH 0x0006 /* bit 0 ~ 3 */ | |
251 | ||
252 | /* OCP_EEE_AR */ | |
253 | /* bit[15:14] function */ | |
254 | #define FUN_ADDR 0x0000 | |
255 | #define FUN_DATA 0x4000 | |
256 | /* bit[4:0] device addr */ | |
257 | #define DEVICE_ADDR 0x0007 | |
258 | ||
259 | /* OCP_EEE_DATA */ | |
260 | #define EEE_ADDR 0x003C | |
261 | #define EEE_DATA 0x0002 | |
262 | ||
263 | enum rtl_register_content { | |
264 | _100bps = 0x08, | |
265 | _10bps = 0x04, | |
266 | LINK_STATUS = 0x02, | |
267 | FULL_DUP = 0x01, | |
268 | }; | |
269 | ||
270 | #define RTL8152_REQT_READ 0xc0 | |
271 | #define RTL8152_REQT_WRITE 0x40 | |
272 | #define RTL8152_REQ_GET_REGS 0x05 | |
273 | #define RTL8152_REQ_SET_REGS 0x05 | |
274 | ||
275 | #define BYTE_EN_DWORD 0xff | |
276 | #define BYTE_EN_WORD 0x33 | |
277 | #define BYTE_EN_BYTE 0x11 | |
278 | #define BYTE_EN_SIX_BYTES 0x3f | |
279 | #define BYTE_EN_START_MASK 0x0f | |
280 | #define BYTE_EN_END_MASK 0xf0 | |
281 | ||
282 | #define RTL8152_RMS (VLAN_ETH_FRAME_LEN + VLAN_HLEN) | |
283 | #define RTL8152_TX_TIMEOUT (HZ) | |
284 | ||
285 | /* rtl8152 flags */ | |
286 | enum rtl8152_flags { | |
287 | RTL8152_UNPLUG = 0, | |
288 | RX_URB_FAIL, | |
289 | RTL8152_SET_RX_MODE, | |
290 | WORK_ENABLE | |
291 | }; | |
292 | ||
293 | /* Define these values to match your device */ | |
294 | #define VENDOR_ID_REALTEK 0x0bda | |
295 | #define PRODUCT_ID_RTL8152 0x8152 | |
296 | ||
297 | #define MCU_TYPE_PLA 0x0100 | |
298 | #define MCU_TYPE_USB 0x0000 | |
299 | ||
300 | struct rx_desc { | |
301 | u32 opts1; | |
302 | #define RX_LEN_MASK 0x7fff | |
303 | u32 opts2; | |
304 | u32 opts3; | |
305 | u32 opts4; | |
306 | u32 opts5; | |
307 | u32 opts6; | |
308 | }; | |
309 | ||
310 | struct tx_desc { | |
311 | u32 opts1; | |
312 | #define TX_FS (1 << 31) /* First segment of a packet */ | |
313 | #define TX_LS (1 << 30) /* Final segment of a packet */ | |
314 | #define TX_LEN_MASK 0xffff | |
315 | u32 opts2; | |
316 | }; | |
317 | ||
318 | struct r8152 { | |
319 | unsigned long flags; | |
320 | struct usb_device *udev; | |
321 | struct tasklet_struct tl; | |
322 | struct net_device *netdev; | |
323 | struct urb *rx_urb, *tx_urb; | |
324 | struct sk_buff *tx_skb, *rx_skb; | |
325 | struct delayed_work schedule; | |
326 | struct mii_if_info mii; | |
327 | u32 msg_enable; | |
328 | u16 ocp_base; | |
329 | u8 version; | |
330 | u8 speed; | |
331 | }; | |
332 | ||
333 | enum rtl_version { | |
334 | RTL_VER_UNKNOWN = 0, | |
335 | RTL_VER_01, | |
336 | RTL_VER_02 | |
337 | }; | |
338 | ||
339 | /* Maximum number of multicast addresses to filter (vs. Rx-all-multicast). | |
340 | * The RTL chips use a 64 element hash table based on the Ethernet CRC. | |
341 | */ | |
342 | static const int multicast_filter_limit = 32; | |
343 | ||
344 | static | |
345 | int get_registers(struct r8152 *tp, u16 value, u16 index, u16 size, void *data) | |
346 | { | |
347 | return usb_control_msg(tp->udev, usb_rcvctrlpipe(tp->udev, 0), | |
348 | RTL8152_REQ_GET_REGS, RTL8152_REQT_READ, | |
349 | value, index, data, size, 500); | |
350 | } | |
351 | ||
352 | static | |
353 | int set_registers(struct r8152 *tp, u16 value, u16 index, u16 size, void *data) | |
354 | { | |
355 | return usb_control_msg(tp->udev, usb_sndctrlpipe(tp->udev, 0), | |
356 | RTL8152_REQ_SET_REGS, RTL8152_REQT_WRITE, | |
357 | value, index, data, size, 500); | |
358 | } | |
359 | ||
360 | static int generic_ocp_read(struct r8152 *tp, u16 index, u16 size, | |
361 | void *data, u16 type) | |
362 | { | |
363 | u16 limit = 64; | |
364 | int ret = 0; | |
365 | ||
366 | if (test_bit(RTL8152_UNPLUG, &tp->flags)) | |
367 | return -ENODEV; | |
368 | ||
369 | /* both size and indix must be 4 bytes align */ | |
370 | if ((size & 3) || !size || (index & 3) || !data) | |
371 | return -EPERM; | |
372 | ||
373 | if ((u32)index + (u32)size > 0xffff) | |
374 | return -EPERM; | |
375 | ||
376 | while (size) { | |
377 | if (size > limit) { | |
378 | ret = get_registers(tp, index, type, limit, data); | |
379 | if (ret < 0) | |
380 | break; | |
381 | ||
382 | index += limit; | |
383 | data += limit; | |
384 | size -= limit; | |
385 | } else { | |
386 | ret = get_registers(tp, index, type, size, data); | |
387 | if (ret < 0) | |
388 | break; | |
389 | ||
390 | index += size; | |
391 | data += size; | |
392 | size = 0; | |
393 | break; | |
394 | } | |
395 | } | |
396 | ||
397 | return ret; | |
398 | } | |
399 | ||
400 | static int generic_ocp_write(struct r8152 *tp, u16 index, u16 byteen, | |
401 | u16 size, void *data, u16 type) | |
402 | { | |
403 | int ret; | |
404 | u16 byteen_start, byteen_end, byen; | |
405 | u16 limit = 512; | |
406 | ||
407 | if (test_bit(RTL8152_UNPLUG, &tp->flags)) | |
408 | return -ENODEV; | |
409 | ||
410 | /* both size and indix must be 4 bytes align */ | |
411 | if ((size & 3) || !size || (index & 3) || !data) | |
412 | return -EPERM; | |
413 | ||
414 | if ((u32)index + (u32)size > 0xffff) | |
415 | return -EPERM; | |
416 | ||
417 | byteen_start = byteen & BYTE_EN_START_MASK; | |
418 | byteen_end = byteen & BYTE_EN_END_MASK; | |
419 | ||
420 | byen = byteen_start | (byteen_start << 4); | |
421 | ret = set_registers(tp, index, type | byen, 4, data); | |
422 | if (ret < 0) | |
423 | goto error1; | |
424 | ||
425 | index += 4; | |
426 | data += 4; | |
427 | size -= 4; | |
428 | ||
429 | if (size) { | |
430 | size -= 4; | |
431 | ||
432 | while (size) { | |
433 | if (size > limit) { | |
434 | ret = set_registers(tp, index, | |
435 | type | BYTE_EN_DWORD, | |
436 | limit, data); | |
437 | if (ret < 0) | |
438 | goto error1; | |
439 | ||
440 | index += limit; | |
441 | data += limit; | |
442 | size -= limit; | |
443 | } else { | |
444 | ret = set_registers(tp, index, | |
445 | type | BYTE_EN_DWORD, | |
446 | size, data); | |
447 | if (ret < 0) | |
448 | goto error1; | |
449 | ||
450 | index += size; | |
451 | data += size; | |
452 | size = 0; | |
453 | break; | |
454 | } | |
455 | } | |
456 | ||
457 | byen = byteen_end | (byteen_end >> 4); | |
458 | ret = set_registers(tp, index, type | byen, 4, data); | |
459 | if (ret < 0) | |
460 | goto error1; | |
461 | } | |
462 | ||
463 | error1: | |
464 | return ret; | |
465 | } | |
466 | ||
467 | static inline | |
468 | int pla_ocp_read(struct r8152 *tp, u16 index, u16 size, void *data) | |
469 | { | |
470 | return generic_ocp_read(tp, index, size, data, MCU_TYPE_PLA); | |
471 | } | |
472 | ||
473 | static inline | |
474 | int pla_ocp_write(struct r8152 *tp, u16 index, u16 byteen, u16 size, void *data) | |
475 | { | |
476 | return generic_ocp_write(tp, index, byteen, size, data, MCU_TYPE_PLA); | |
477 | } | |
478 | ||
479 | static inline | |
480 | int usb_ocp_read(struct r8152 *tp, u16 index, u16 size, void *data) | |
481 | { | |
482 | return generic_ocp_read(tp, index, size, data, MCU_TYPE_USB); | |
483 | } | |
484 | ||
485 | static inline | |
486 | int usb_ocp_write(struct r8152 *tp, u16 index, u16 byteen, u16 size, void *data) | |
487 | { | |
488 | return generic_ocp_write(tp, index, byteen, size, data, MCU_TYPE_USB); | |
489 | } | |
490 | ||
491 | static u32 ocp_read_dword(struct r8152 *tp, u16 type, u16 index) | |
492 | { | |
493 | u32 data; | |
494 | ||
495 | if (type == MCU_TYPE_PLA) | |
496 | pla_ocp_read(tp, index, sizeof(data), &data); | |
497 | else | |
498 | usb_ocp_read(tp, index, sizeof(data), &data); | |
499 | ||
500 | return __le32_to_cpu(data); | |
501 | } | |
502 | ||
503 | static void ocp_write_dword(struct r8152 *tp, u16 type, u16 index, u32 data) | |
504 | { | |
505 | if (type == MCU_TYPE_PLA) | |
506 | pla_ocp_write(tp, index, BYTE_EN_DWORD, sizeof(data), &data); | |
507 | else | |
508 | usb_ocp_write(tp, index, BYTE_EN_DWORD, sizeof(data), &data); | |
509 | } | |
510 | ||
511 | static u16 ocp_read_word(struct r8152 *tp, u16 type, u16 index) | |
512 | { | |
513 | u32 data; | |
514 | u8 shift = index & 2; | |
515 | ||
516 | index &= ~3; | |
517 | ||
518 | if (type == MCU_TYPE_PLA) | |
519 | pla_ocp_read(tp, index, sizeof(data), &data); | |
520 | else | |
521 | usb_ocp_read(tp, index, sizeof(data), &data); | |
522 | ||
523 | data = __le32_to_cpu(data); | |
524 | data >>= (shift * 8); | |
525 | data &= 0xffff; | |
526 | ||
527 | return (u16)data; | |
528 | } | |
529 | ||
530 | static void ocp_write_word(struct r8152 *tp, u16 type, u16 index, u32 data) | |
531 | { | |
532 | u32 tmp, mask = 0xffff; | |
533 | u16 byen = BYTE_EN_WORD; | |
534 | u8 shift = index & 2; | |
535 | ||
536 | data &= mask; | |
537 | ||
538 | if (index & 2) { | |
539 | byen <<= shift; | |
540 | mask <<= (shift * 8); | |
541 | data <<= (shift * 8); | |
542 | index &= ~3; | |
543 | } | |
544 | ||
545 | if (type == MCU_TYPE_PLA) | |
546 | pla_ocp_read(tp, index, sizeof(tmp), &tmp); | |
547 | else | |
548 | usb_ocp_read(tp, index, sizeof(tmp), &tmp); | |
549 | ||
550 | tmp = __le32_to_cpu(tmp) & ~mask; | |
551 | tmp |= data; | |
552 | tmp = __cpu_to_le32(tmp); | |
553 | ||
554 | if (type == MCU_TYPE_PLA) | |
555 | pla_ocp_write(tp, index, byen, sizeof(tmp), &tmp); | |
556 | else | |
557 | usb_ocp_write(tp, index, byen, sizeof(tmp), &tmp); | |
558 | } | |
559 | ||
560 | static u8 ocp_read_byte(struct r8152 *tp, u16 type, u16 index) | |
561 | { | |
562 | u32 data; | |
563 | u8 shift = index & 3; | |
564 | ||
565 | index &= ~3; | |
566 | ||
567 | if (type == MCU_TYPE_PLA) | |
568 | pla_ocp_read(tp, index, sizeof(data), &data); | |
569 | else | |
570 | usb_ocp_read(tp, index, sizeof(data), &data); | |
571 | ||
572 | data = __le32_to_cpu(data); | |
573 | data >>= (shift * 8); | |
574 | data &= 0xff; | |
575 | ||
576 | return (u8)data; | |
577 | } | |
578 | ||
579 | static void ocp_write_byte(struct r8152 *tp, u16 type, u16 index, u32 data) | |
580 | { | |
581 | u32 tmp, mask = 0xff; | |
582 | u16 byen = BYTE_EN_BYTE; | |
583 | u8 shift = index & 3; | |
584 | ||
585 | data &= mask; | |
586 | ||
587 | if (index & 3) { | |
588 | byen <<= shift; | |
589 | mask <<= (shift * 8); | |
590 | data <<= (shift * 8); | |
591 | index &= ~3; | |
592 | } | |
593 | ||
594 | if (type == MCU_TYPE_PLA) | |
595 | pla_ocp_read(tp, index, sizeof(tmp), &tmp); | |
596 | else | |
597 | usb_ocp_read(tp, index, sizeof(tmp), &tmp); | |
598 | ||
599 | tmp = __le32_to_cpu(tmp) & ~mask; | |
600 | tmp |= data; | |
601 | tmp = __cpu_to_le32(tmp); | |
602 | ||
603 | if (type == MCU_TYPE_PLA) | |
604 | pla_ocp_write(tp, index, byen, sizeof(tmp), &tmp); | |
605 | else | |
606 | usb_ocp_write(tp, index, byen, sizeof(tmp), &tmp); | |
607 | } | |
608 | ||
609 | static void r8152_mdio_write(struct r8152 *tp, u32 reg_addr, u32 value) | |
610 | { | |
611 | u32 ocp_data; | |
612 | int i; | |
613 | ||
614 | ocp_data = PHYAR_FLAG | ((reg_addr & 0x1f) << 16) | | |
615 | (value & 0xffff); | |
616 | ||
617 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_PHYAR, ocp_data); | |
618 | ||
619 | for (i = 20; i > 0; i--) { | |
620 | udelay(25); | |
621 | ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_PHYAR); | |
622 | if (!(ocp_data & PHYAR_FLAG)) | |
623 | break; | |
624 | } | |
625 | udelay(20); | |
626 | } | |
627 | ||
628 | static int r8152_mdio_read(struct r8152 *tp, u32 reg_addr) | |
629 | { | |
630 | u32 ocp_data; | |
631 | int i; | |
632 | ||
633 | ocp_data = (reg_addr & 0x1f) << 16; | |
634 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_PHYAR, ocp_data); | |
635 | ||
636 | for (i = 20; i > 0; i--) { | |
637 | udelay(25); | |
638 | ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_PHYAR); | |
639 | if (ocp_data & PHYAR_FLAG) | |
640 | break; | |
641 | } | |
642 | udelay(20); | |
643 | ||
644 | if (!(ocp_data & PHYAR_FLAG)) | |
645 | return -EAGAIN; | |
646 | ||
647 | return (u16)(ocp_data & 0xffff); | |
648 | } | |
649 | ||
650 | static int read_mii_word(struct net_device *netdev, int phy_id, int reg) | |
651 | { | |
652 | struct r8152 *tp = netdev_priv(netdev); | |
653 | ||
654 | if (phy_id != R8152_PHY_ID) | |
655 | return -EINVAL; | |
656 | ||
657 | return r8152_mdio_read(tp, reg); | |
658 | } | |
659 | ||
660 | static | |
661 | void write_mii_word(struct net_device *netdev, int phy_id, int reg, int val) | |
662 | { | |
663 | struct r8152 *tp = netdev_priv(netdev); | |
664 | ||
665 | if (phy_id != R8152_PHY_ID) | |
666 | return; | |
667 | ||
668 | r8152_mdio_write(tp, reg, val); | |
669 | } | |
670 | ||
671 | static void ocp_reg_write(struct r8152 *tp, u16 addr, u16 data) | |
672 | { | |
673 | u16 ocp_base, ocp_index; | |
674 | ||
675 | ocp_base = addr & 0xf000; | |
676 | if (ocp_base != tp->ocp_base) { | |
677 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_OCP_GPHY_BASE, ocp_base); | |
678 | tp->ocp_base = ocp_base; | |
679 | } | |
680 | ||
681 | ocp_index = (addr & 0x0fff) | 0xb000; | |
682 | ocp_write_word(tp, MCU_TYPE_PLA, ocp_index, data); | |
683 | } | |
684 | ||
685 | static inline void set_ethernet_addr(struct r8152 *tp) | |
686 | { | |
687 | struct net_device *dev = tp->netdev; | |
688 | u8 *node_id; | |
689 | ||
690 | node_id = kmalloc(sizeof(u8) * 8, GFP_KERNEL); | |
691 | if (!node_id) { | |
692 | netif_err(tp, probe, dev, "out of memory"); | |
693 | return; | |
694 | } | |
695 | ||
696 | if (pla_ocp_read(tp, PLA_IDR, sizeof(u8) * 8, node_id) < 0) | |
697 | netif_notice(tp, probe, dev, "inet addr fail\n"); | |
698 | else { | |
699 | memcpy(dev->dev_addr, node_id, dev->addr_len); | |
700 | memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); | |
701 | } | |
702 | kfree(node_id); | |
703 | } | |
704 | ||
705 | static int rtl8152_set_mac_address(struct net_device *netdev, void *p) | |
706 | { | |
707 | struct r8152 *tp = netdev_priv(netdev); | |
708 | struct sockaddr *addr = p; | |
709 | ||
710 | if (!is_valid_ether_addr(addr->sa_data)) | |
711 | return -EADDRNOTAVAIL; | |
712 | ||
713 | memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); | |
714 | ||
715 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_CONFIG); | |
716 | pla_ocp_write(tp, PLA_IDR, BYTE_EN_SIX_BYTES, 8, addr->sa_data); | |
717 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML); | |
718 | ||
719 | return 0; | |
720 | } | |
721 | ||
722 | static int alloc_all_urbs(struct r8152 *tp) | |
723 | { | |
724 | tp->rx_urb = usb_alloc_urb(0, GFP_KERNEL); | |
725 | if (!tp->rx_urb) | |
726 | return 0; | |
727 | tp->tx_urb = usb_alloc_urb(0, GFP_KERNEL); | |
728 | if (!tp->tx_urb) { | |
729 | usb_free_urb(tp->rx_urb); | |
730 | return 0; | |
731 | } | |
732 | ||
733 | return 1; | |
734 | } | |
735 | ||
736 | static void free_all_urbs(struct r8152 *tp) | |
737 | { | |
738 | usb_free_urb(tp->rx_urb); | |
739 | usb_free_urb(tp->tx_urb); | |
740 | } | |
741 | ||
742 | static struct net_device_stats *rtl8152_get_stats(struct net_device *dev) | |
743 | { | |
744 | return &dev->stats; | |
745 | } | |
746 | ||
747 | static void read_bulk_callback(struct urb *urb) | |
748 | { | |
749 | struct r8152 *tp; | |
750 | unsigned pkt_len; | |
751 | struct sk_buff *skb; | |
752 | struct net_device *netdev; | |
753 | struct net_device_stats *stats; | |
754 | int status = urb->status; | |
755 | int result; | |
756 | struct rx_desc *rx_desc; | |
757 | ||
758 | tp = urb->context; | |
759 | if (!tp) | |
760 | return; | |
761 | if (test_bit(RTL8152_UNPLUG, &tp->flags)) | |
762 | return; | |
763 | netdev = tp->netdev; | |
764 | if (!netif_device_present(netdev)) | |
765 | return; | |
766 | ||
767 | stats = rtl8152_get_stats(netdev); | |
768 | switch (status) { | |
769 | case 0: | |
770 | break; | |
771 | case -ESHUTDOWN: | |
772 | set_bit(RTL8152_UNPLUG, &tp->flags); | |
773 | netif_device_detach(tp->netdev); | |
774 | case -ENOENT: | |
775 | return; /* the urb is in unlink state */ | |
776 | case -ETIME: | |
777 | pr_warn_ratelimited("may be reset is needed?..\n"); | |
778 | goto goon; | |
779 | default: | |
780 | pr_warn_ratelimited("Rx status %d\n", status); | |
781 | goto goon; | |
782 | } | |
783 | ||
784 | /* protect against short packets (tell me why we got some?!?) */ | |
785 | if (urb->actual_length < sizeof(*rx_desc)) | |
786 | goto goon; | |
787 | ||
788 | ||
789 | rx_desc = (struct rx_desc *)urb->transfer_buffer; | |
790 | pkt_len = le32_to_cpu(rx_desc->opts1) & RX_LEN_MASK; | |
791 | if (urb->actual_length < sizeof(struct rx_desc) + pkt_len) | |
792 | goto goon; | |
793 | ||
794 | skb = netdev_alloc_skb_ip_align(netdev, pkt_len); | |
795 | if (!skb) | |
796 | goto goon; | |
797 | ||
798 | memcpy(skb->data, tp->rx_skb->data + sizeof(struct rx_desc), pkt_len); | |
799 | skb_put(skb, pkt_len); | |
800 | skb->protocol = eth_type_trans(skb, netdev); | |
801 | netif_rx(skb); | |
802 | stats->rx_packets++; | |
803 | stats->rx_bytes += pkt_len; | |
804 | goon: | |
805 | usb_fill_bulk_urb(tp->rx_urb, tp->udev, usb_rcvbulkpipe(tp->udev, 1), | |
806 | tp->rx_skb->data, RTL8152_RMS + sizeof(struct rx_desc), | |
807 | (usb_complete_t)read_bulk_callback, tp); | |
808 | result = usb_submit_urb(tp->rx_urb, GFP_ATOMIC); | |
809 | if (result == -ENODEV) { | |
810 | netif_device_detach(tp->netdev); | |
811 | } else if (result) { | |
812 | set_bit(RX_URB_FAIL, &tp->flags); | |
813 | goto resched; | |
814 | } else { | |
815 | clear_bit(RX_URB_FAIL, &tp->flags); | |
816 | } | |
817 | ||
818 | return; | |
819 | resched: | |
820 | tasklet_schedule(&tp->tl); | |
821 | } | |
822 | ||
823 | static void rx_fixup(unsigned long data) | |
824 | { | |
825 | struct r8152 *tp; | |
826 | int status; | |
827 | ||
828 | tp = (struct r8152 *)data; | |
829 | if (!test_bit(WORK_ENABLE, &tp->flags)) | |
830 | return; | |
831 | ||
832 | status = usb_submit_urb(tp->rx_urb, GFP_ATOMIC); | |
833 | if (status == -ENODEV) { | |
834 | netif_device_detach(tp->netdev); | |
835 | } else if (status) { | |
836 | set_bit(RX_URB_FAIL, &tp->flags); | |
837 | goto tlsched; | |
838 | } else { | |
839 | clear_bit(RX_URB_FAIL, &tp->flags); | |
840 | } | |
841 | ||
842 | return; | |
843 | tlsched: | |
844 | tasklet_schedule(&tp->tl); | |
845 | } | |
846 | ||
847 | static void write_bulk_callback(struct urb *urb) | |
848 | { | |
849 | struct r8152 *tp; | |
850 | int status = urb->status; | |
851 | ||
852 | tp = urb->context; | |
853 | if (!tp) | |
854 | return; | |
855 | dev_kfree_skb_irq(tp->tx_skb); | |
856 | if (!netif_device_present(tp->netdev)) | |
857 | return; | |
858 | if (status) | |
859 | dev_info(&urb->dev->dev, "%s: Tx status %d\n", | |
860 | tp->netdev->name, status); | |
861 | tp->netdev->trans_start = jiffies; | |
862 | netif_wake_queue(tp->netdev); | |
863 | } | |
864 | ||
865 | static void rtl8152_tx_timeout(struct net_device *netdev) | |
866 | { | |
867 | struct r8152 *tp = netdev_priv(netdev); | |
868 | struct net_device_stats *stats = rtl8152_get_stats(netdev); | |
869 | netif_warn(tp, tx_err, netdev, "Tx timeout.\n"); | |
870 | usb_unlink_urb(tp->tx_urb); | |
871 | stats->tx_errors++; | |
872 | } | |
873 | ||
874 | static void rtl8152_set_rx_mode(struct net_device *netdev) | |
875 | { | |
876 | struct r8152 *tp = netdev_priv(netdev); | |
877 | ||
878 | if (tp->speed & LINK_STATUS) | |
879 | set_bit(RTL8152_SET_RX_MODE, &tp->flags); | |
880 | } | |
881 | ||
882 | static void _rtl8152_set_rx_mode(struct net_device *netdev) | |
883 | { | |
884 | struct r8152 *tp = netdev_priv(netdev); | |
885 | u32 tmp, *mc_filter; /* Multicast hash filter */ | |
886 | u32 ocp_data; | |
887 | ||
888 | mc_filter = kmalloc(sizeof(u32) * 2, GFP_KERNEL); | |
889 | if (!mc_filter) { | |
890 | netif_err(tp, link, netdev, "out of memory"); | |
891 | return; | |
892 | } | |
893 | ||
894 | clear_bit(RTL8152_SET_RX_MODE, &tp->flags); | |
895 | netif_stop_queue(netdev); | |
896 | ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR); | |
897 | ocp_data &= ~RCR_ACPT_ALL; | |
898 | ocp_data |= RCR_AB | RCR_APM; | |
899 | ||
900 | if (netdev->flags & IFF_PROMISC) { | |
901 | /* Unconditionally log net taps. */ | |
902 | netif_notice(tp, link, netdev, "Promiscuous mode enabled\n"); | |
903 | ocp_data |= RCR_AM | RCR_AAP; | |
904 | mc_filter[1] = mc_filter[0] = 0xffffffff; | |
905 | } else if ((netdev_mc_count(netdev) > multicast_filter_limit) || | |
906 | (netdev->flags & IFF_ALLMULTI)) { | |
907 | /* Too many to filter perfectly -- accept all multicasts. */ | |
908 | ocp_data |= RCR_AM; | |
909 | mc_filter[1] = mc_filter[0] = 0xffffffff; | |
910 | } else { | |
911 | struct netdev_hw_addr *ha; | |
912 | ||
913 | mc_filter[1] = mc_filter[0] = 0; | |
914 | netdev_for_each_mc_addr(ha, netdev) { | |
915 | int bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26; | |
916 | mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31); | |
917 | ocp_data |= RCR_AM; | |
918 | } | |
919 | } | |
920 | ||
921 | tmp = mc_filter[0]; | |
922 | mc_filter[0] = __cpu_to_le32(swab32(mc_filter[1])); | |
923 | mc_filter[1] = __cpu_to_le32(swab32(tmp)); | |
924 | ||
925 | pla_ocp_write(tp, PLA_MAR, BYTE_EN_DWORD, sizeof(u32) * 2, mc_filter); | |
926 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data); | |
927 | netif_wake_queue(netdev); | |
928 | kfree(mc_filter); | |
929 | } | |
930 | ||
931 | static netdev_tx_t rtl8152_start_xmit(struct sk_buff *skb, | |
932 | struct net_device *netdev) | |
933 | { | |
934 | struct r8152 *tp = netdev_priv(netdev); | |
935 | struct net_device_stats *stats = rtl8152_get_stats(netdev); | |
936 | struct tx_desc *tx_desc; | |
3ff25e3c | 937 | unsigned int len; |
938 | int res; | |
ac718b69 | 939 | |
940 | netif_stop_queue(netdev); | |
941 | len = skb->len; | |
942 | if (skb_header_cloned(skb) || skb_headroom(skb) < sizeof(*tx_desc)) { | |
943 | struct sk_buff *tx_skb; | |
944 | ||
945 | tx_skb = skb_copy_expand(skb, sizeof(*tx_desc), 0, GFP_ATOMIC); | |
946 | dev_kfree_skb_any(skb); | |
947 | if (!tx_skb) { | |
948 | stats->tx_dropped++; | |
949 | netif_wake_queue(netdev); | |
950 | return NETDEV_TX_OK; | |
951 | } | |
952 | skb = tx_skb; | |
953 | } | |
954 | tx_desc = (struct tx_desc *)skb_push(skb, sizeof(*tx_desc)); | |
955 | memset(tx_desc, 0, sizeof(*tx_desc)); | |
956 | tx_desc->opts1 = cpu_to_le32((len & TX_LEN_MASK) | TX_FS | TX_LS); | |
957 | tp->tx_skb = skb; | |
958 | skb_tx_timestamp(skb); | |
959 | usb_fill_bulk_urb(tp->tx_urb, tp->udev, usb_sndbulkpipe(tp->udev, 2), | |
960 | skb->data, skb->len, | |
961 | (usb_complete_t)write_bulk_callback, tp); | |
962 | res = usb_submit_urb(tp->tx_urb, GFP_ATOMIC); | |
963 | if (res) { | |
964 | /* Can we get/handle EPIPE here? */ | |
965 | if (res == -ENODEV) { | |
966 | netif_device_detach(tp->netdev); | |
967 | } else { | |
968 | netif_warn(tp, tx_err, netdev, | |
969 | "failed tx_urb %d\n", res); | |
970 | stats->tx_errors++; | |
971 | netif_start_queue(netdev); | |
972 | } | |
973 | } else { | |
974 | stats->tx_packets++; | |
975 | stats->tx_bytes += skb->len; | |
976 | } | |
977 | ||
978 | return NETDEV_TX_OK; | |
979 | } | |
980 | ||
981 | static void r8152b_reset_packet_filter(struct r8152 *tp) | |
982 | { | |
983 | u32 ocp_data; | |
984 | ||
985 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_FMC); | |
986 | ocp_data &= ~FMC_FCR_MCU_EN; | |
987 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_FMC, ocp_data); | |
988 | ocp_data |= FMC_FCR_MCU_EN; | |
989 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_FMC, ocp_data); | |
990 | } | |
991 | ||
992 | static void rtl8152_nic_reset(struct r8152 *tp) | |
993 | { | |
994 | int i; | |
995 | ||
996 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CR, CR_RST); | |
997 | ||
998 | for (i = 0; i < 1000; i++) { | |
999 | if (!(ocp_read_byte(tp, MCU_TYPE_PLA, PLA_CR) & CR_RST)) | |
1000 | break; | |
1001 | udelay(100); | |
1002 | } | |
1003 | } | |
1004 | ||
1005 | static inline u8 rtl8152_get_speed(struct r8152 *tp) | |
1006 | { | |
1007 | return ocp_read_byte(tp, MCU_TYPE_PLA, PLA_PHYSTATUS); | |
1008 | } | |
1009 | ||
1010 | static int rtl8152_enable(struct r8152 *tp) | |
1011 | { | |
1012 | u32 ocp_data; | |
1013 | u8 speed; | |
1014 | ||
1015 | speed = rtl8152_get_speed(tp); | |
1016 | if (speed & _100bps) { | |
1017 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEEP_CR); | |
1018 | ocp_data &= ~EEEP_CR_EEEP_TX; | |
1019 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEEP_CR, ocp_data); | |
1020 | } else { | |
1021 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEEP_CR); | |
1022 | ocp_data |= EEEP_CR_EEEP_TX; | |
1023 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEEP_CR, ocp_data); | |
1024 | } | |
1025 | ||
1026 | r8152b_reset_packet_filter(tp); | |
1027 | ||
1028 | ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_CR); | |
1029 | ocp_data |= CR_RE | CR_TE; | |
1030 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CR, ocp_data); | |
1031 | ||
1032 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MISC_1); | |
1033 | ocp_data &= ~RXDY_GATED_EN; | |
1034 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_MISC_1, ocp_data); | |
1035 | ||
1036 | usb_fill_bulk_urb(tp->rx_urb, tp->udev, usb_rcvbulkpipe(tp->udev, 1), | |
1037 | tp->rx_skb->data, RTL8152_RMS + sizeof(struct rx_desc), | |
1038 | (usb_complete_t)read_bulk_callback, tp); | |
1039 | ||
1040 | return usb_submit_urb(tp->rx_urb, GFP_KERNEL); | |
1041 | } | |
1042 | ||
1043 | static void rtl8152_disable(struct r8152 *tp) | |
1044 | { | |
1045 | u32 ocp_data; | |
1046 | int i; | |
1047 | ||
1048 | ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR); | |
1049 | ocp_data &= ~RCR_ACPT_ALL; | |
1050 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data); | |
1051 | ||
1052 | usb_kill_urb(tp->tx_urb); | |
1053 | ||
1054 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MISC_1); | |
1055 | ocp_data |= RXDY_GATED_EN; | |
1056 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_MISC_1, ocp_data); | |
1057 | ||
1058 | for (i = 0; i < 1000; i++) { | |
1059 | ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); | |
1060 | if ((ocp_data & FIFO_EMPTY) == FIFO_EMPTY) | |
1061 | break; | |
1062 | mdelay(1); | |
1063 | } | |
1064 | ||
1065 | for (i = 0; i < 1000; i++) { | |
1066 | if (ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR0) & TCR0_TX_EMPTY) | |
1067 | break; | |
1068 | mdelay(1); | |
1069 | } | |
1070 | ||
1071 | usb_kill_urb(tp->rx_urb); | |
1072 | ||
1073 | rtl8152_nic_reset(tp); | |
1074 | } | |
1075 | ||
1076 | static void r8152b_exit_oob(struct r8152 *tp) | |
1077 | { | |
1078 | u32 ocp_data; | |
1079 | int i; | |
1080 | ||
1081 | ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR); | |
1082 | ocp_data &= ~RCR_ACPT_ALL; | |
1083 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data); | |
1084 | ||
1085 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MISC_1); | |
1086 | ocp_data |= RXDY_GATED_EN; | |
1087 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_MISC_1, ocp_data); | |
1088 | ||
1089 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML); | |
1090 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CR, 0x00); | |
1091 | ||
1092 | ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); | |
1093 | ocp_data &= ~NOW_IS_OOB; | |
1094 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data); | |
1095 | ||
1096 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7); | |
1097 | ocp_data &= ~MCU_BORW_EN; | |
1098 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data); | |
1099 | ||
1100 | for (i = 0; i < 1000; i++) { | |
1101 | ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); | |
1102 | if (ocp_data & LINK_LIST_READY) | |
1103 | break; | |
1104 | mdelay(1); | |
1105 | } | |
1106 | ||
1107 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7); | |
1108 | ocp_data |= RE_INIT_LL; | |
1109 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data); | |
1110 | ||
1111 | for (i = 0; i < 1000; i++) { | |
1112 | ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); | |
1113 | if (ocp_data & LINK_LIST_READY) | |
1114 | break; | |
1115 | mdelay(1); | |
1116 | } | |
1117 | ||
1118 | rtl8152_nic_reset(tp); | |
1119 | ||
1120 | /* rx share fifo credit full threshold */ | |
1121 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL0, RXFIFO_THR1_NORMAL); | |
1122 | ||
1123 | ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_DEV_STAT); | |
1124 | ocp_data &= STAT_SPEED_MASK; | |
1125 | if (ocp_data == STAT_SPEED_FULL) { | |
1126 | /* rx share fifo credit near full threshold */ | |
1127 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1, | |
1128 | RXFIFO_THR2_FULL); | |
1129 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2, | |
1130 | RXFIFO_THR3_FULL); | |
1131 | } else { | |
1132 | /* rx share fifo credit near full threshold */ | |
1133 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1, | |
1134 | RXFIFO_THR2_HIGH); | |
1135 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2, | |
1136 | RXFIFO_THR3_HIGH); | |
1137 | } | |
1138 | ||
1139 | /* TX share fifo free credit full threshold */ | |
1140 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_TXFIFO_CTRL, TXFIFO_THR_NORMAL); | |
1141 | ||
1142 | ocp_write_byte(tp, MCU_TYPE_USB, USB_TX_AGG, TX_AGG_MAX_THRESHOLD); | |
1143 | ocp_write_dword(tp, MCU_TYPE_USB, USB_RX_BUF_TH, RX_BUF_THR); | |
1144 | ocp_write_dword(tp, MCU_TYPE_USB, USB_TX_DMA, | |
1145 | TEST_MODE_DISABLE | TX_SIZE_ADJUST1); | |
1146 | ||
1147 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CPCR); | |
1148 | ocp_data &= ~CPCR_RX_VLAN; | |
1149 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_CPCR, ocp_data); | |
1150 | ||
1151 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, RTL8152_RMS); | |
1152 | ||
1153 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR0); | |
1154 | ocp_data |= TCR0_AUTO_FIFO; | |
1155 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_TCR0, ocp_data); | |
1156 | } | |
1157 | ||
1158 | static void r8152b_enter_oob(struct r8152 *tp) | |
1159 | { | |
1160 | u32 ocp_data; | |
1161 | int i; | |
1162 | ||
1163 | ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); | |
1164 | ocp_data &= ~NOW_IS_OOB; | |
1165 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data); | |
1166 | ||
1167 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL0, RXFIFO_THR1_OOB); | |
1168 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1, RXFIFO_THR2_OOB); | |
1169 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2, RXFIFO_THR3_OOB); | |
1170 | ||
1171 | rtl8152_disable(tp); | |
1172 | ||
1173 | for (i = 0; i < 1000; i++) { | |
1174 | ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); | |
1175 | if (ocp_data & LINK_LIST_READY) | |
1176 | break; | |
1177 | mdelay(1); | |
1178 | } | |
1179 | ||
1180 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7); | |
1181 | ocp_data |= RE_INIT_LL; | |
1182 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data); | |
1183 | ||
1184 | for (i = 0; i < 1000; i++) { | |
1185 | ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); | |
1186 | if (ocp_data & LINK_LIST_READY) | |
1187 | break; | |
1188 | mdelay(1); | |
1189 | } | |
1190 | ||
1191 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, RTL8152_RMS); | |
1192 | ||
1193 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CFG_WOL); | |
1194 | ocp_data |= MAGIC_EN; | |
1195 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_CFG_WOL, ocp_data); | |
1196 | ||
1197 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CPCR); | |
1198 | ocp_data |= CPCR_RX_VLAN; | |
1199 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_CPCR, ocp_data); | |
1200 | ||
1201 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PAL_BDC_CR); | |
1202 | ocp_data |= ALDPS_PROXY_MODE; | |
1203 | ocp_write_word(tp, MCU_TYPE_PLA, PAL_BDC_CR, ocp_data); | |
1204 | ||
1205 | ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); | |
1206 | ocp_data |= NOW_IS_OOB | DIS_MCU_CLROOB; | |
1207 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data); | |
1208 | ||
1209 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CONFIG5, LAN_WAKE_EN); | |
1210 | ||
1211 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MISC_1); | |
1212 | ocp_data &= ~RXDY_GATED_EN; | |
1213 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_MISC_1, ocp_data); | |
1214 | ||
1215 | ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR); | |
1216 | ocp_data |= RCR_APM | RCR_AM | RCR_AB; | |
1217 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data); | |
1218 | } | |
1219 | ||
1220 | static void r8152b_disable_aldps(struct r8152 *tp) | |
1221 | { | |
1222 | ocp_reg_write(tp, OCP_ALDPS_CONFIG, ENPDNPS | LINKENA | DIS_SDSAVE); | |
1223 | msleep(20); | |
1224 | } | |
1225 | ||
1226 | static inline void r8152b_enable_aldps(struct r8152 *tp) | |
1227 | { | |
1228 | ocp_reg_write(tp, OCP_ALDPS_CONFIG, ENPWRSAVE | ENPDNPS | | |
1229 | LINKENA | DIS_SDSAVE); | |
1230 | } | |
1231 | ||
1232 | static int rtl8152_set_speed(struct r8152 *tp, u8 autoneg, u16 speed, u8 duplex) | |
1233 | { | |
1234 | u16 bmcr, anar; | |
1235 | int ret = 0; | |
1236 | ||
1237 | cancel_delayed_work_sync(&tp->schedule); | |
1238 | anar = r8152_mdio_read(tp, MII_ADVERTISE); | |
1239 | anar &= ~(ADVERTISE_10HALF | ADVERTISE_10FULL | | |
1240 | ADVERTISE_100HALF | ADVERTISE_100FULL); | |
1241 | ||
1242 | if (autoneg == AUTONEG_DISABLE) { | |
1243 | if (speed == SPEED_10) { | |
1244 | bmcr = 0; | |
1245 | anar |= ADVERTISE_10HALF | ADVERTISE_10FULL; | |
1246 | } else if (speed == SPEED_100) { | |
1247 | bmcr = BMCR_SPEED100; | |
1248 | anar |= ADVERTISE_100HALF | ADVERTISE_100FULL; | |
1249 | } else { | |
1250 | ret = -EINVAL; | |
1251 | goto out; | |
1252 | } | |
1253 | ||
1254 | if (duplex == DUPLEX_FULL) | |
1255 | bmcr |= BMCR_FULLDPLX; | |
1256 | } else { | |
1257 | if (speed == SPEED_10) { | |
1258 | if (duplex == DUPLEX_FULL) | |
1259 | anar |= ADVERTISE_10HALF | ADVERTISE_10FULL; | |
1260 | else | |
1261 | anar |= ADVERTISE_10HALF; | |
1262 | } else if (speed == SPEED_100) { | |
1263 | if (duplex == DUPLEX_FULL) { | |
1264 | anar |= ADVERTISE_10HALF | ADVERTISE_10FULL; | |
1265 | anar |= ADVERTISE_100HALF | ADVERTISE_100FULL; | |
1266 | } else { | |
1267 | anar |= ADVERTISE_10HALF; | |
1268 | anar |= ADVERTISE_100HALF; | |
1269 | } | |
1270 | } else { | |
1271 | ret = -EINVAL; | |
1272 | goto out; | |
1273 | } | |
1274 | ||
1275 | bmcr = BMCR_ANENABLE | BMCR_ANRESTART; | |
1276 | } | |
1277 | ||
1278 | r8152_mdio_write(tp, MII_ADVERTISE, anar); | |
1279 | r8152_mdio_write(tp, MII_BMCR, bmcr); | |
1280 | ||
1281 | out: | |
1282 | schedule_delayed_work(&tp->schedule, 5 * HZ); | |
1283 | ||
1284 | return ret; | |
1285 | } | |
1286 | ||
1287 | static void rtl8152_down(struct r8152 *tp) | |
1288 | { | |
1289 | u32 ocp_data; | |
1290 | ||
1291 | ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_UPS_CTRL); | |
1292 | ocp_data &= ~POWER_CUT; | |
1293 | ocp_write_word(tp, MCU_TYPE_USB, USB_UPS_CTRL, ocp_data); | |
1294 | ||
1295 | r8152b_disable_aldps(tp); | |
1296 | r8152b_enter_oob(tp); | |
1297 | r8152b_enable_aldps(tp); | |
1298 | } | |
1299 | ||
1300 | static void set_carrier(struct r8152 *tp) | |
1301 | { | |
1302 | struct net_device *netdev = tp->netdev; | |
1303 | u8 speed; | |
1304 | ||
1305 | speed = rtl8152_get_speed(tp); | |
1306 | ||
1307 | if (speed & LINK_STATUS) { | |
1308 | if (!(tp->speed & LINK_STATUS)) { | |
1309 | rtl8152_enable(tp); | |
1310 | set_bit(RTL8152_SET_RX_MODE, &tp->flags); | |
1311 | netif_carrier_on(netdev); | |
1312 | } | |
1313 | } else { | |
1314 | if (tp->speed & LINK_STATUS) { | |
1315 | netif_carrier_off(netdev); | |
1316 | rtl8152_disable(tp); | |
1317 | } | |
1318 | } | |
1319 | tp->speed = speed; | |
1320 | } | |
1321 | ||
1322 | static void rtl_work_func_t(struct work_struct *work) | |
1323 | { | |
1324 | struct r8152 *tp = container_of(work, struct r8152, schedule.work); | |
1325 | ||
1326 | if (!test_bit(WORK_ENABLE, &tp->flags)) | |
1327 | goto out1; | |
1328 | ||
1329 | if (test_bit(RTL8152_UNPLUG, &tp->flags)) | |
1330 | goto out1; | |
1331 | ||
1332 | set_carrier(tp); | |
1333 | ||
1334 | if (test_bit(RTL8152_SET_RX_MODE, &tp->flags)) | |
1335 | _rtl8152_set_rx_mode(tp->netdev); | |
1336 | ||
1337 | schedule_delayed_work(&tp->schedule, HZ); | |
1338 | ||
1339 | out1: | |
1340 | return; | |
1341 | } | |
1342 | ||
1343 | static int rtl8152_open(struct net_device *netdev) | |
1344 | { | |
1345 | struct r8152 *tp = netdev_priv(netdev); | |
1346 | int res = 0; | |
1347 | ||
1348 | tp->speed = rtl8152_get_speed(tp); | |
1349 | if (tp->speed & LINK_STATUS) { | |
1350 | res = rtl8152_enable(tp); | |
1351 | if (res) { | |
1352 | if (res == -ENODEV) | |
1353 | netif_device_detach(tp->netdev); | |
1354 | ||
1355 | netif_err(tp, ifup, netdev, | |
1356 | "rtl8152_open failed: %d\n", res); | |
1357 | return res; | |
1358 | } | |
1359 | ||
1360 | netif_carrier_on(netdev); | |
1361 | } else { | |
1362 | netif_stop_queue(netdev); | |
1363 | netif_carrier_off(netdev); | |
1364 | } | |
1365 | ||
1366 | rtl8152_set_speed(tp, AUTONEG_ENABLE, SPEED_100, DUPLEX_FULL); | |
1367 | netif_start_queue(netdev); | |
1368 | set_bit(WORK_ENABLE, &tp->flags); | |
1369 | schedule_delayed_work(&tp->schedule, 0); | |
1370 | ||
1371 | return res; | |
1372 | } | |
1373 | ||
1374 | static int rtl8152_close(struct net_device *netdev) | |
1375 | { | |
1376 | struct r8152 *tp = netdev_priv(netdev); | |
1377 | int res = 0; | |
1378 | ||
1379 | clear_bit(WORK_ENABLE, &tp->flags); | |
1380 | cancel_delayed_work_sync(&tp->schedule); | |
1381 | netif_stop_queue(netdev); | |
1382 | rtl8152_disable(tp); | |
1383 | ||
1384 | return res; | |
1385 | } | |
1386 | ||
1387 | static void rtl_clear_bp(struct r8152 *tp) | |
1388 | { | |
1389 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_BP_0, 0); | |
1390 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_BP_2, 0); | |
1391 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_BP_4, 0); | |
1392 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_BP_6, 0); | |
1393 | ocp_write_dword(tp, MCU_TYPE_USB, USB_BP_0, 0); | |
1394 | ocp_write_dword(tp, MCU_TYPE_USB, USB_BP_2, 0); | |
1395 | ocp_write_dword(tp, MCU_TYPE_USB, USB_BP_4, 0); | |
1396 | ocp_write_dword(tp, MCU_TYPE_USB, USB_BP_6, 0); | |
1397 | mdelay(3); | |
1398 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_BP_BA, 0); | |
1399 | ocp_write_word(tp, MCU_TYPE_USB, USB_BP_BA, 0); | |
1400 | } | |
1401 | ||
1402 | static void r8152b_enable_eee(struct r8152 *tp) | |
1403 | { | |
1404 | u32 ocp_data; | |
1405 | ||
1406 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEE_CR); | |
1407 | ocp_data |= EEE_RX_EN | EEE_TX_EN; | |
1408 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEE_CR, ocp_data); | |
1409 | ocp_reg_write(tp, OCP_EEE_CONFIG1, RG_TXLPI_MSK_HFDUP | RG_MATCLR_EN | | |
1410 | EEE_10_CAP | EEE_NWAY_EN | | |
1411 | TX_QUIET_EN | RX_QUIET_EN | | |
1412 | SDRISETIME | RG_RXLPI_MSK_HFDUP | | |
1413 | SDFALLTIME); | |
1414 | ocp_reg_write(tp, OCP_EEE_CONFIG2, RG_LPIHYS_NUM | RG_DACQUIET_EN | | |
1415 | RG_LDVQUIET_EN | RG_CKRSEL | | |
1416 | RG_EEEPRG_EN); | |
1417 | ocp_reg_write(tp, OCP_EEE_CONFIG3, FST_SNR_EYE_R | RG_LFS_SEL | MSK_PH); | |
1418 | ocp_reg_write(tp, OCP_EEE_AR, FUN_ADDR | DEVICE_ADDR); | |
1419 | ocp_reg_write(tp, OCP_EEE_DATA, EEE_ADDR); | |
1420 | ocp_reg_write(tp, OCP_EEE_AR, FUN_DATA | DEVICE_ADDR); | |
1421 | ocp_reg_write(tp, OCP_EEE_DATA, EEE_DATA); | |
1422 | ocp_reg_write(tp, OCP_EEE_AR, 0x0000); | |
1423 | } | |
1424 | ||
1425 | static void r8152b_enable_fc(struct r8152 *tp) | |
1426 | { | |
1427 | u16 anar; | |
1428 | ||
1429 | anar = r8152_mdio_read(tp, MII_ADVERTISE); | |
1430 | anar |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM; | |
1431 | r8152_mdio_write(tp, MII_ADVERTISE, anar); | |
1432 | } | |
1433 | ||
1434 | static void r8152b_hw_phy_cfg(struct r8152 *tp) | |
1435 | { | |
1436 | r8152_mdio_write(tp, MII_BMCR, BMCR_ANENABLE); | |
1437 | r8152b_disable_aldps(tp); | |
1438 | } | |
1439 | ||
1440 | static void r8152b_init(struct r8152 *tp) | |
1441 | { | |
1442 | u32 ocp_data; | |
1443 | int i; | |
1444 | ||
1445 | rtl_clear_bp(tp); | |
1446 | ||
1447 | if (tp->version == RTL_VER_01) { | |
1448 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE); | |
1449 | ocp_data &= ~LED_MODE_MASK; | |
1450 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE, ocp_data); | |
1451 | } | |
1452 | ||
1453 | r8152b_hw_phy_cfg(tp); | |
1454 | ||
1455 | ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_UPS_CTRL); | |
1456 | ocp_data &= ~POWER_CUT; | |
1457 | ocp_write_word(tp, MCU_TYPE_USB, USB_UPS_CTRL, ocp_data); | |
1458 | ||
1459 | ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_PM_CTRL_STATUS); | |
1460 | ocp_data &= ~RWSUME_INDICATE; | |
1461 | ocp_write_word(tp, MCU_TYPE_USB, USB_PM_CTRL_STATUS, ocp_data); | |
1462 | ||
1463 | r8152b_exit_oob(tp); | |
1464 | ||
1465 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR); | |
1466 | ocp_data |= TX_10M_IDLE_EN | PFM_PWM_SWITCH; | |
1467 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR, ocp_data); | |
1468 | ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL); | |
1469 | ocp_data &= ~MCU_CLK_RATIO_MASK; | |
1470 | ocp_data |= MCU_CLK_RATIO | D3_CLK_GATED_EN; | |
1471 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL, ocp_data); | |
1472 | ocp_data = GPHY_STS_MSK | SPEED_DOWN_MSK | | |
1473 | SPDWN_RXDV_MSK | SPDWN_LINKCHG_MSK; | |
1474 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_GPHY_INTR_IMR, ocp_data); | |
1475 | ||
1476 | r8152b_enable_eee(tp); | |
1477 | r8152b_enable_aldps(tp); | |
1478 | r8152b_enable_fc(tp); | |
1479 | ||
1480 | r8152_mdio_write(tp, MII_BMCR, BMCR_RESET | BMCR_ANENABLE | | |
1481 | BMCR_ANRESTART); | |
1482 | for (i = 0; i < 100; i++) { | |
1483 | udelay(100); | |
1484 | if (!(r8152_mdio_read(tp, MII_BMCR) & BMCR_RESET)) | |
1485 | break; | |
1486 | } | |
1487 | ||
1488 | /* disable rx aggregation */ | |
1489 | ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_USB_CTRL); | |
1490 | ocp_data |= RX_AGG_DISABLE; | |
1491 | ocp_write_word(tp, MCU_TYPE_USB, USB_USB_CTRL, ocp_data); | |
1492 | } | |
1493 | ||
1494 | static int rtl8152_suspend(struct usb_interface *intf, pm_message_t message) | |
1495 | { | |
1496 | struct r8152 *tp = usb_get_intfdata(intf); | |
1497 | ||
1498 | netif_device_detach(tp->netdev); | |
1499 | ||
1500 | if (netif_running(tp->netdev)) { | |
1501 | clear_bit(WORK_ENABLE, &tp->flags); | |
1502 | cancel_delayed_work_sync(&tp->schedule); | |
1503 | } | |
1504 | ||
1505 | rtl8152_down(tp); | |
1506 | ||
1507 | return 0; | |
1508 | } | |
1509 | ||
1510 | static int rtl8152_resume(struct usb_interface *intf) | |
1511 | { | |
1512 | struct r8152 *tp = usb_get_intfdata(intf); | |
1513 | ||
1514 | r8152b_init(tp); | |
1515 | netif_device_attach(tp->netdev); | |
1516 | if (netif_running(tp->netdev)) { | |
1517 | rtl8152_enable(tp); | |
1518 | set_bit(WORK_ENABLE, &tp->flags); | |
1519 | set_bit(RTL8152_SET_RX_MODE, &tp->flags); | |
1520 | schedule_delayed_work(&tp->schedule, 0); | |
1521 | } | |
1522 | ||
1523 | return 0; | |
1524 | } | |
1525 | ||
1526 | static void rtl8152_get_drvinfo(struct net_device *netdev, | |
1527 | struct ethtool_drvinfo *info) | |
1528 | { | |
1529 | struct r8152 *tp = netdev_priv(netdev); | |
1530 | ||
1531 | strncpy(info->driver, MODULENAME, ETHTOOL_BUSINFO_LEN); | |
1532 | strncpy(info->version, DRIVER_VERSION, ETHTOOL_BUSINFO_LEN); | |
1533 | usb_make_path(tp->udev, info->bus_info, sizeof(info->bus_info)); | |
1534 | } | |
1535 | ||
1536 | static | |
1537 | int rtl8152_get_settings(struct net_device *netdev, struct ethtool_cmd *cmd) | |
1538 | { | |
1539 | struct r8152 *tp = netdev_priv(netdev); | |
1540 | ||
1541 | if (!tp->mii.mdio_read) | |
1542 | return -EOPNOTSUPP; | |
1543 | ||
1544 | return mii_ethtool_gset(&tp->mii, cmd); | |
1545 | } | |
1546 | ||
1547 | static int rtl8152_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) | |
1548 | { | |
1549 | struct r8152 *tp = netdev_priv(dev); | |
1550 | ||
1551 | return rtl8152_set_speed(tp, cmd->autoneg, cmd->speed, cmd->duplex); | |
1552 | } | |
1553 | ||
1554 | static struct ethtool_ops ops = { | |
1555 | .get_drvinfo = rtl8152_get_drvinfo, | |
1556 | .get_settings = rtl8152_get_settings, | |
1557 | .set_settings = rtl8152_set_settings, | |
1558 | .get_link = ethtool_op_get_link, | |
1559 | }; | |
1560 | ||
1561 | static int rtl8152_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd) | |
1562 | { | |
1563 | struct r8152 *tp = netdev_priv(netdev); | |
1564 | struct mii_ioctl_data *data = if_mii(rq); | |
1565 | int res = 0; | |
1566 | ||
1567 | switch (cmd) { | |
1568 | case SIOCGMIIPHY: | |
1569 | data->phy_id = R8152_PHY_ID; /* Internal PHY */ | |
1570 | break; | |
1571 | ||
1572 | case SIOCGMIIREG: | |
1573 | data->val_out = r8152_mdio_read(tp, data->reg_num); | |
1574 | break; | |
1575 | ||
1576 | case SIOCSMIIREG: | |
1577 | if (!capable(CAP_NET_ADMIN)) { | |
1578 | res = -EPERM; | |
1579 | break; | |
1580 | } | |
1581 | r8152_mdio_write(tp, data->reg_num, data->val_in); | |
1582 | break; | |
1583 | ||
1584 | default: | |
1585 | res = -EOPNOTSUPP; | |
1586 | } | |
1587 | ||
1588 | return res; | |
1589 | } | |
1590 | ||
1591 | static const struct net_device_ops rtl8152_netdev_ops = { | |
1592 | .ndo_open = rtl8152_open, | |
1593 | .ndo_stop = rtl8152_close, | |
1594 | .ndo_do_ioctl = rtl8152_ioctl, | |
1595 | .ndo_start_xmit = rtl8152_start_xmit, | |
1596 | .ndo_tx_timeout = rtl8152_tx_timeout, | |
1597 | .ndo_set_rx_mode = rtl8152_set_rx_mode, | |
1598 | .ndo_set_mac_address = rtl8152_set_mac_address, | |
1599 | ||
1600 | .ndo_change_mtu = eth_change_mtu, | |
1601 | .ndo_validate_addr = eth_validate_addr, | |
1602 | }; | |
1603 | ||
1604 | static void r8152b_get_version(struct r8152 *tp) | |
1605 | { | |
1606 | u32 ocp_data; | |
1607 | u16 version; | |
1608 | ||
1609 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR1); | |
1610 | version = (u16)(ocp_data & VERSION_MASK); | |
1611 | ||
1612 | switch (version) { | |
1613 | case 0x4c00: | |
1614 | tp->version = RTL_VER_01; | |
1615 | break; | |
1616 | case 0x4c10: | |
1617 | tp->version = RTL_VER_02; | |
1618 | break; | |
1619 | default: | |
1620 | netif_info(tp, probe, tp->netdev, | |
1621 | "Unknown version 0x%04x\n", version); | |
1622 | break; | |
1623 | } | |
1624 | } | |
1625 | ||
1626 | static int rtl8152_probe(struct usb_interface *intf, | |
1627 | const struct usb_device_id *id) | |
1628 | { | |
1629 | struct usb_device *udev = interface_to_usbdev(intf); | |
1630 | struct r8152 *tp; | |
1631 | struct net_device *netdev; | |
1632 | ||
1633 | if (udev->actconfig->desc.bConfigurationValue != 1) { | |
1634 | usb_driver_set_configuration(udev, 1); | |
1635 | return -ENODEV; | |
1636 | } | |
1637 | ||
1638 | netdev = alloc_etherdev(sizeof(struct r8152)); | |
1639 | if (!netdev) { | |
1640 | dev_err(&intf->dev, "Out of memory"); | |
1641 | return -ENOMEM; | |
1642 | } | |
1643 | ||
1644 | tp = netdev_priv(netdev); | |
1645 | tp->msg_enable = 0x7FFF; | |
1646 | ||
1647 | tasklet_init(&tp->tl, rx_fixup, (unsigned long)tp); | |
1648 | INIT_DELAYED_WORK(&tp->schedule, rtl_work_func_t); | |
1649 | ||
1650 | tp->udev = udev; | |
1651 | tp->netdev = netdev; | |
1652 | netdev->netdev_ops = &rtl8152_netdev_ops; | |
1653 | netdev->watchdog_timeo = RTL8152_TX_TIMEOUT; | |
1654 | netdev->features &= ~NETIF_F_IP_CSUM; | |
1655 | SET_ETHTOOL_OPS(netdev, &ops); | |
1656 | tp->speed = 0; | |
1657 | ||
1658 | tp->mii.dev = netdev; | |
1659 | tp->mii.mdio_read = read_mii_word; | |
1660 | tp->mii.mdio_write = write_mii_word; | |
1661 | tp->mii.phy_id_mask = 0x3f; | |
1662 | tp->mii.reg_num_mask = 0x1f; | |
1663 | tp->mii.phy_id = R8152_PHY_ID; | |
1664 | tp->mii.supports_gmii = 0; | |
1665 | ||
1666 | r8152b_get_version(tp); | |
1667 | r8152b_init(tp); | |
1668 | set_ethernet_addr(tp); | |
1669 | ||
1670 | if (!alloc_all_urbs(tp)) { | |
1671 | netif_err(tp, probe, netdev, "out of memory"); | |
1672 | goto out; | |
1673 | } | |
1674 | ||
1675 | tp->rx_skb = netdev_alloc_skb(netdev, | |
1676 | RTL8152_RMS + sizeof(struct rx_desc)); | |
1677 | if (!tp->rx_skb) | |
1678 | goto out1; | |
1679 | ||
1680 | usb_set_intfdata(intf, tp); | |
1681 | SET_NETDEV_DEV(netdev, &intf->dev); | |
1682 | ||
1683 | ||
1684 | if (register_netdev(netdev) != 0) { | |
1685 | netif_err(tp, probe, netdev, "couldn't register the device"); | |
1686 | goto out2; | |
1687 | } | |
1688 | ||
1689 | netif_info(tp, probe, netdev, "%s", DRIVER_VERSION); | |
1690 | ||
1691 | return 0; | |
1692 | ||
1693 | out2: | |
1694 | usb_set_intfdata(intf, NULL); | |
1695 | dev_kfree_skb(tp->rx_skb); | |
1696 | out1: | |
1697 | free_all_urbs(tp); | |
1698 | out: | |
1699 | free_netdev(netdev); | |
1700 | return -EIO; | |
1701 | } | |
1702 | ||
1703 | static void rtl8152_unload(struct r8152 *tp) | |
1704 | { | |
1705 | u32 ocp_data; | |
1706 | ||
1707 | if (tp->version != RTL_VER_01) { | |
1708 | ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_UPS_CTRL); | |
1709 | ocp_data |= POWER_CUT; | |
1710 | ocp_write_word(tp, MCU_TYPE_USB, USB_UPS_CTRL, ocp_data); | |
1711 | } | |
1712 | ||
1713 | ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_PM_CTRL_STATUS); | |
1714 | ocp_data &= ~RWSUME_INDICATE; | |
1715 | ocp_write_word(tp, MCU_TYPE_USB, USB_PM_CTRL_STATUS, ocp_data); | |
1716 | } | |
1717 | ||
1718 | static void rtl8152_disconnect(struct usb_interface *intf) | |
1719 | { | |
1720 | struct r8152 *tp = usb_get_intfdata(intf); | |
1721 | ||
1722 | usb_set_intfdata(intf, NULL); | |
1723 | if (tp) { | |
1724 | set_bit(RTL8152_UNPLUG, &tp->flags); | |
1725 | tasklet_kill(&tp->tl); | |
1726 | unregister_netdev(tp->netdev); | |
1727 | rtl8152_unload(tp); | |
1728 | free_all_urbs(tp); | |
1729 | if (tp->rx_skb) | |
1730 | dev_kfree_skb(tp->rx_skb); | |
1731 | free_netdev(tp->netdev); | |
1732 | } | |
1733 | } | |
1734 | ||
1735 | /* table of devices that work with this driver */ | |
1736 | static struct usb_device_id rtl8152_table[] = { | |
1737 | {USB_DEVICE(VENDOR_ID_REALTEK, PRODUCT_ID_RTL8152)}, | |
1738 | {} | |
1739 | }; | |
1740 | ||
1741 | MODULE_DEVICE_TABLE(usb, rtl8152_table); | |
1742 | ||
1743 | static struct usb_driver rtl8152_driver = { | |
1744 | .name = MODULENAME, | |
1745 | .probe = rtl8152_probe, | |
1746 | .disconnect = rtl8152_disconnect, | |
1747 | .id_table = rtl8152_table, | |
1748 | .suspend = rtl8152_suspend, | |
1749 | .resume = rtl8152_resume | |
1750 | }; | |
1751 | ||
b4236daa | 1752 | module_usb_driver(rtl8152_driver); |
ac718b69 | 1753 | |
1754 | MODULE_AUTHOR(DRIVER_AUTHOR); | |
1755 | MODULE_DESCRIPTION(DRIVER_DESC); | |
1756 | MODULE_LICENSE("GPL"); |