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ip17xx: Introduce indirection of low-level operations
[openwrt/svn-archive/archive.git] / target / linux / generic-2.6 / files / drivers / net / phy / ip175c.c
1 /*
2 * swconfig-ip175c.c: Swconfig configuration for IC+ IP175C switch
3 *
4 * Copyright (C) 2008 Patrick Horn <patrick.horn@gmail.com>
5 * Copyright (C) 2008 Martin Mares <mj@ucw.cz>
6 * Copyright (C) 2009 Felix Fietkau <nbd@openwrt.org>
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * as published by the Free Software Foundation; either version 2
11 * of the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 */
18
19 #include <linux/kernel.h>
20 #include <linux/module.h>
21 #include <linux/init.h>
22 #include <linux/list.h>
23 #include <linux/skbuff.h>
24 #include <linux/mii.h>
25 #include <linux/phy.h>
26 #include <linux/delay.h>
27 #include <linux/switch.h>
28
29 #define MAX_VLANS 16
30 #define MAX_PORTS 9
31 #undef DUMP_MII_IO
32
33 typedef struct ip175c_reg {
34 u16 p; // phy
35 u16 m; // mii
36 } reg;
37 typedef char bitnum;
38
39 #define NOTSUPPORTED {-1,-1}
40
41 #define REG_SUPP(x) (((x).m != ((u16)-1)) && ((x).p != (u16)-1))
42
43 struct ip175c_state;
44
45 /*********** CONSTANTS ***********/
46 struct register_mappings {
47 char *NAME;
48 u16 MODEL_NO; // Compare to bits 4-9 of MII register 0,3.
49 bitnum NUM_PORTS;
50 bitnum CPU_PORT;
51
52 /* The default VLAN for each port.
53 Default: 0x0001 for Ports 0,1,2,3
54 0x0002 for Ports 4,5 */
55 reg VLAN_DEFAULT_TAG_REG[MAX_PORTS];
56
57 /* These ports are tagged.
58 Default: 0x00 */
59 reg ADD_TAG_REG;
60 reg REMOVE_TAG_REG;
61 bitnum ADD_TAG_BIT[MAX_PORTS];
62 /* These ports are untagged.
63 Default: 0x00 (i.e. do not alter any VLAN tags...)
64 Maybe set to 0 if user disables VLANs. */
65 bitnum REMOVE_TAG_BIT[MAX_PORTS];
66
67 /* Port M and Port N are on the same VLAN.
68 Default: All ports on all VLANs. */
69 // Use register {29, 19+N/2}
70 reg VLAN_LOOKUP_REG;
71 // Port 5 uses register {30, 18} but same as odd bits.
72 reg VLAN_LOOKUP_REG_5; // in a different register on IP175C.
73 bitnum VLAN_LOOKUP_EVEN_BIT[MAX_PORTS];
74 bitnum VLAN_LOOKUP_ODD_BIT[MAX_PORTS];
75
76 /* This VLAN corresponds to which ports.
77 Default: 0x2f,0x30,0x3f,0x3f... */
78 reg TAG_VLAN_MASK_REG;
79 bitnum TAG_VLAN_MASK_EVEN_BIT[MAX_PORTS];
80 bitnum TAG_VLAN_MASK_ODD_BIT[MAX_PORTS];
81
82 int RESET_VAL;
83 reg RESET_REG;
84
85 reg MODE_REG;
86 int MODE_VAL;
87
88 /* General flags */
89 reg ROUTER_CONTROL_REG;
90 reg VLAN_CONTROL_REG;
91 bitnum TAG_VLAN_BIT;
92 bitnum ROUTER_EN_BIT;
93 bitnum NUMLAN_GROUPS_MAX;
94 bitnum NUMLAN_GROUPS_BIT;
95
96 reg MII_REGISTER_EN;
97 bitnum MII_REGISTER_EN_BIT;
98
99 // set to 1 for 178C, 0 for 175C.
100 bitnum SIMPLE_VLAN_REGISTERS; // 175C has two vlans per register but 178C has only one.
101
102 // Pointers to functions which manipulate hardware state
103 int (*get_flags)(struct ip175c_state *state);
104 int (*get_state)(struct ip175c_state *state);
105 int (*update_state)(struct ip175c_state *state);
106 int (*set_vlan_mode)(struct ip175c_state *state);
107 int (*reset)(struct ip175c_state *state);
108 };
109
110 static int ip175c_get_flags(struct ip175c_state *state);
111 static int ip175c_get_state(struct ip175c_state *state);
112 static int ip175c_update_state(struct ip175c_state *state);
113 static int ip175c_set_vlan_mode(struct ip175c_state *state);
114 static int ip175c_do_reset(struct ip175c_state *state);
115
116 static const struct register_mappings IP178C = {
117 .NAME = "IP178C",
118 .MODEL_NO = 0x18,
119 .VLAN_DEFAULT_TAG_REG = {
120 {30,3},{30,4},{30,5},{30,6},{30,7},{30,8},
121 {30,9},{30,10},{30,11},
122 },
123
124 .ADD_TAG_REG = {30,12},
125 .ADD_TAG_BIT = {0,1,2,3,4,5,6,7,8},
126 .REMOVE_TAG_REG = {30,13},
127 .REMOVE_TAG_BIT = {4,5,6,7,8,9,10,11,12},
128
129 .SIMPLE_VLAN_REGISTERS = 1,
130
131 .VLAN_LOOKUP_REG = {31,0},// +N
132 .VLAN_LOOKUP_REG_5 = NOTSUPPORTED, // not used with SIMPLE_VLAN_REGISTERS
133 .VLAN_LOOKUP_EVEN_BIT = {0,1,2,3,4,5,6,7,8},
134 .VLAN_LOOKUP_ODD_BIT = {0,1,2,3,4,5,6,7,8},
135
136 .TAG_VLAN_MASK_REG = {30,14}, // +N
137 .TAG_VLAN_MASK_EVEN_BIT = {0,1,2,3,4,5,6,7,8},
138 .TAG_VLAN_MASK_ODD_BIT = {0,1,2,3,4,5,6,7,8},
139
140 .RESET_VAL = 0x55AA,
141 .RESET_REG = {30,0},
142 .MODE_VAL = 0,
143 .MODE_REG = NOTSUPPORTED,
144
145 .ROUTER_CONTROL_REG = {30,30},
146 .ROUTER_EN_BIT = 11,
147 .NUMLAN_GROUPS_MAX = 8,
148 .NUMLAN_GROUPS_BIT = 8, // {0-2}
149
150 .VLAN_CONTROL_REG = {30,13},
151 .TAG_VLAN_BIT = 3,
152
153 .CPU_PORT = 8,
154 .NUM_PORTS = 9,
155
156 .MII_REGISTER_EN = NOTSUPPORTED,
157
158 .get_flags = ip175c_get_flags,
159 .get_state = ip175c_get_state,
160 .update_state = ip175c_update_state,
161 .set_vlan_mode = ip175c_set_vlan_mode,
162 .reset = ip175c_do_reset,
163 };
164
165 static const struct register_mappings IP175C = {
166 .NAME = "IP175C",
167 .MODEL_NO = 0x18,
168 .VLAN_DEFAULT_TAG_REG = {
169 {29,24},{29,25},{29,26},{29,27},{29,28},{29,30},
170 NOTSUPPORTED,NOTSUPPORTED,NOTSUPPORTED
171 },
172
173 .ADD_TAG_REG = {29,23},
174 .REMOVE_TAG_REG = {29,23},
175 .ADD_TAG_BIT = {11,12,13,14,15,1,-1,-1,-1},
176 .REMOVE_TAG_BIT = {6,7,8,9,10,0,-1,-1,-1},
177
178 .SIMPLE_VLAN_REGISTERS = 0,
179
180 .VLAN_LOOKUP_REG = {29,19},// +N/2
181 .VLAN_LOOKUP_REG_5 = {30,18},
182 .VLAN_LOOKUP_EVEN_BIT = {8,9,10,11,12,15,-1,-1,-1},
183 .VLAN_LOOKUP_ODD_BIT = {0,1,2,3,4,7,-1,-1,-1},
184
185 .TAG_VLAN_MASK_REG = {30,1}, // +N/2
186 .TAG_VLAN_MASK_EVEN_BIT = {0,1,2,3,4,5,-1,-1,-1},
187 .TAG_VLAN_MASK_ODD_BIT = {8,9,10,11,12,13,-1,-1,-1},
188
189 .RESET_VAL = 0x175C,
190 .RESET_REG = {30,0},
191 .MODE_VAL = 0x175C,
192 .MODE_REG = {29,31},
193
194 .ROUTER_CONTROL_REG = {30,9},
195 .ROUTER_EN_BIT = 3,
196 .NUMLAN_GROUPS_MAX = 8,
197 .NUMLAN_GROUPS_BIT = 0, // {0-2}
198
199 .VLAN_CONTROL_REG = {30,9},
200 .TAG_VLAN_BIT = 7,
201
202 .NUM_PORTS = 6,
203 .CPU_PORT = 5,
204
205 .MII_REGISTER_EN = NOTSUPPORTED,
206
207 .get_flags = ip175c_get_flags,
208 .get_state = ip175c_get_state,
209 .update_state = ip175c_update_state,
210 .set_vlan_mode = ip175c_set_vlan_mode,
211 .reset = ip175c_do_reset,
212 };
213
214 static const struct register_mappings IP175A = {
215 .NAME = "IP175A",
216 .MODEL_NO = 0x05,
217 .VLAN_DEFAULT_TAG_REG = {
218 {0,24},{0,25},{0,26},{0,27},{0,28},NOTSUPPORTED,
219 NOTSUPPORTED,NOTSUPPORTED,NOTSUPPORTED
220 },
221
222 .ADD_TAG_REG = {0,23},
223 .REMOVE_TAG_REG = {0,23},
224 .ADD_TAG_BIT = {11,12,13,14,15,-1,-1,-1,-1},
225 .REMOVE_TAG_BIT = {6,7,8,9,10,-1,-1,-1,-1},
226
227 .SIMPLE_VLAN_REGISTERS = 0,
228
229 // Only programmable via EEPROM
230 .VLAN_LOOKUP_REG = NOTSUPPORTED,// +N/2
231 .VLAN_LOOKUP_REG_5 = NOTSUPPORTED,
232 .VLAN_LOOKUP_EVEN_BIT = {8,9,10,11,12,-1,-1,-1,-1},
233 .VLAN_LOOKUP_ODD_BIT = {0,1,2,3,4,-1,-1,-1,-1},
234
235 .TAG_VLAN_MASK_REG = NOTSUPPORTED, // +N/2,
236 .TAG_VLAN_MASK_EVEN_BIT = {-1,-1,-1,-1,-1,-1,-1,-1,-1},
237 .TAG_VLAN_MASK_ODD_BIT = {-1,-1,-1,-1,-1,-1,-1,-1,-1},
238
239 .RESET_VAL = -1,
240 .RESET_REG = NOTSUPPORTED,
241 .MODE_VAL = 0,
242 .MODE_REG = NOTSUPPORTED,
243
244 .ROUTER_CONTROL_REG = NOTSUPPORTED,
245 .VLAN_CONTROL_REG = NOTSUPPORTED,
246 .TAG_VLAN_BIT = -1,
247 .ROUTER_EN_BIT = -1,
248 .NUMLAN_GROUPS_MAX = -1,
249 .NUMLAN_GROUPS_BIT = -1, // {0-2}
250
251 .NUM_PORTS = 5,
252 .CPU_PORT = 4,
253
254 .MII_REGISTER_EN = {0, 18},
255 .MII_REGISTER_EN_BIT = 7,
256
257 .get_flags = ip175c_get_flags,
258 .get_state = ip175c_get_state,
259 .update_state = ip175c_update_state,
260 .set_vlan_mode = ip175c_set_vlan_mode,
261 .reset = ip175c_do_reset,
262 };
263
264
265 struct ip175c_state {
266 struct switch_dev dev;
267 struct mii_bus *mii_bus;
268 bool registered;
269
270 int router_mode; // ROUTER_EN
271 int vlan_enabled; // TAG_VLAN_EN
272 struct port_state {
273 u16 pvid;
274 unsigned int shareports;
275 } ports[MAX_PORTS];
276 unsigned int add_tag;
277 unsigned int remove_tag;
278 int num_vlans;
279 unsigned int vlan_ports[MAX_VLANS];
280 const struct register_mappings *regs;
281 reg proc_mii; // phy/reg for the low level register access via swconfig
282
283 char buf[80];
284 };
285
286
287 static int ip_phy_read(struct ip175c_state *state, int port, int reg)
288 {
289 int val = mdiobus_read(state->mii_bus, port, reg);
290 if (val < 0)
291 pr_warning("IP175C: Unable to get MII register %d,%d: error %d\n", port, reg, -val);
292 #ifdef DUMP_MII_IO
293 else
294 pr_debug("IP175C: Read MII(%d,%d) -> %04x\n", port, reg, val);
295 #endif
296 return val;
297 }
298
299 static int ip_phy_write(struct ip175c_state *state, int port, int reg, u16 val)
300 {
301 int err;
302
303 #ifdef DUMP_MII_IO
304 pr_debug("IP175C: Write MII(%d,%d) <- %04x\n", port, reg, val);
305 #endif
306 err = mdiobus_write(state->mii_bus, port, reg, val);
307 if (err < 0)
308 pr_warning("IP175C: Unable to write MII register %d,%d: error %d\n", port, reg, -err);
309 return err;
310 }
311
312 static int ip_phy_write_masked(struct ip175c_state *state, int port, int reg, unsigned int mask, unsigned int data)
313 {
314 int val = ip_phy_read(state, port, reg);
315 if (val < 0)
316 return 0;
317 return ip_phy_write(state, port, reg, (val & ~mask) | data);
318 }
319
320 static int getPhy(struct ip175c_state *state, reg mii)
321 {
322 if (!REG_SUPP(mii))
323 return -EFAULT;
324 return ip_phy_read(state, mii.p, mii.m);
325 }
326
327 static int setPhy(struct ip175c_state *state, reg mii, u16 value)
328 {
329 int err;
330
331 if (!REG_SUPP(mii))
332 return -EFAULT;
333 err = ip_phy_write(state, mii.p, mii.m, value);
334 if (err < 0)
335 return err;
336 getPhy(state, mii);
337 return 0;
338 }
339
340
341 /**
342 * These two macros are to simplify the mapping of logical bits to the bits in hardware.
343 * NOTE: these macros will return if there is an error!
344 */
345
346 #define GET_PORT_BITS(state, bits, addr, bit_lookup) \
347 do { \
348 int i, val = getPhy((state), (addr)); \
349 if (val < 0) \
350 return val; \
351 (bits) = 0; \
352 for (i = 0; i < MAX_PORTS; i++) { \
353 if ((bit_lookup)[i] == -1) continue; \
354 if (val & (1<<(bit_lookup)[i])) \
355 (bits) |= (1<<i); \
356 } \
357 } while (0)
358
359 #define SET_PORT_BITS(state, bits, addr, bit_lookup) \
360 do { \
361 int i, val = getPhy((state), (addr)); \
362 if (val < 0) \
363 return val; \
364 for (i = 0; i < MAX_PORTS; i++) { \
365 unsigned int newmask = ((bits)&(1<<i)); \
366 if ((bit_lookup)[i] == -1) continue; \
367 val &= ~(1<<(bit_lookup)[i]); \
368 val |= ((newmask>>i)<<(bit_lookup)[i]); \
369 } \
370 val = setPhy((state), (addr), val); \
371 if (val < 0) \
372 return val; \
373 } while (0)
374
375
376 static int get_model(struct ip175c_state *state)
377 {
378 reg oui_id_reg = {0, 2};
379 int oui_id;
380 reg model_no_reg = {0, 3};
381 int model_no, model_no_orig;
382
383 // 175 and 178 have the same oui ID.
384 reg oui_id_reg_178c = {5, 2}; // returns error on IP175C.
385 int is_178c = 0;
386
387 oui_id = getPhy(state, oui_id_reg);
388 if (oui_id != 0x0243) {
389 // non
390 return -ENODEV; // Not a IC+ chip.
391 }
392 oui_id = getPhy(state, oui_id_reg_178c);
393 if (oui_id == 0x0243) {
394 is_178c = 1;
395 }
396
397 model_no_orig = getPhy(state, model_no_reg);
398 if (model_no_orig < 0) {
399 return -ENODEV;
400 }
401 model_no = model_no_orig >> 4; // shift out revision number.
402 model_no &= 0x3f; // only take the model number (low 6 bits).
403 if (model_no == IP175A.MODEL_NO) {
404 state->regs = &IP175A;
405 } else if (model_no == IP175C.MODEL_NO) {
406 if (is_178c) {
407 state->regs = &IP178C;
408 } else {
409 state->regs = &IP175C;
410 }
411 } else {
412 printk(KERN_WARNING "ip175c: Found an unknown IC+ switch with model number %02Xh.\n", model_no_orig);
413 return -EPERM;
414 }
415 return 0;
416 }
417
418 /** Get only the vlan and router flags on the router **/
419 static int ip175c_get_flags(struct ip175c_state *state)
420 {
421 int val;
422
423 state->router_mode = 0;
424 state->vlan_enabled = -1; // hack
425 state->num_vlans = 0;
426
427 if (!REG_SUPP(state->regs->ROUTER_CONTROL_REG)) {
428 return 0; // not an error if it doesn't support enable vlan.
429 }
430
431 val = getPhy(state, state->regs->ROUTER_CONTROL_REG);
432 if (val < 0) {
433 return val;
434 }
435 if (state->regs->ROUTER_EN_BIT >= 0)
436 state->router_mode = ((val>>state->regs->ROUTER_EN_BIT) & 1);
437
438 if (state->regs->NUMLAN_GROUPS_BIT >= 0) {
439 state->num_vlans = (val >> state->regs->NUMLAN_GROUPS_BIT);
440 state->num_vlans &= (state->regs->NUMLAN_GROUPS_MAX-1);
441 state->num_vlans+=1; // does not include WAN.
442 }
443
444 val = getPhy(state, state->regs->VLAN_CONTROL_REG);
445 if (val < 0) {
446 return 0;
447 }
448 if (state->regs->TAG_VLAN_BIT >= 0)
449 state->vlan_enabled = ((val>>state->regs->TAG_VLAN_BIT) & 1);
450
451 return 0;
452 }
453
454 /** Get all state variables for VLAN mappings and port-based tagging **/
455 static int ip175c_get_state(struct ip175c_state *state)
456 {
457 int i, j;
458 int ret;
459
460 ret = ip175c_get_flags(state);
461 if (ret < 0) {
462 return ret;
463 }
464
465 GET_PORT_BITS(state, state->remove_tag,
466 state->regs->REMOVE_TAG_REG, state->regs->REMOVE_TAG_BIT);
467 GET_PORT_BITS(state, state->add_tag,
468 state->regs->ADD_TAG_REG, state->regs->ADD_TAG_BIT);
469
470 if (state->vlan_enabled == -1) {
471 // not sure how to get this...
472 state->vlan_enabled = (state->remove_tag || state->add_tag);
473 }
474
475 if (REG_SUPP(state->regs->VLAN_LOOKUP_REG)) {
476 for (j=0; j<MAX_PORTS; j++) {
477 state->ports[j].shareports = 0; // initialize them in case.
478 }
479 for (j=0; j<state->regs->NUM_PORTS; j++) {
480 reg addr;
481 const bitnum *bit_lookup = (j%2==0)?
482 state->regs->VLAN_LOOKUP_EVEN_BIT:
483 state->regs->VLAN_LOOKUP_ODD_BIT;
484 addr = state->regs->VLAN_LOOKUP_REG;
485 if (state->regs->SIMPLE_VLAN_REGISTERS) {
486 addr.m += j;
487 } else {
488 switch (j) {
489 case 0:
490 case 1:
491 break;
492 case 2:
493 case 3:
494 addr.m+=1;
495 break;
496 case 4:
497 addr.m+=2;
498 break;
499 case 5:
500 addr = state->regs->VLAN_LOOKUP_REG_5;
501 break;
502 }
503 }
504
505 if (REG_SUPP(addr)) {
506 GET_PORT_BITS(state, state->ports[j].shareports, addr, bit_lookup);
507 }
508 }
509 } else {
510 for (j=0; j<MAX_PORTS; j++) {
511 state->ports[j].shareports = 0xff;
512 }
513 }
514
515 for (i=0; i<MAX_PORTS; i++) {
516 if (REG_SUPP(state->regs->VLAN_DEFAULT_TAG_REG[i])) {
517 int val = getPhy(state, state->regs->VLAN_DEFAULT_TAG_REG[i]);
518 if (val < 0) {
519 return val;
520 }
521 state->ports[i].pvid = val;
522 } else {
523 state->ports[i].pvid = 0;
524 }
525 }
526
527 if (REG_SUPP(state->regs->TAG_VLAN_MASK_REG)) {
528 for (j=0; j<MAX_VLANS; j++) {
529 reg addr = state->regs->TAG_VLAN_MASK_REG;
530 const bitnum *bit_lookup = (j%2==0)?
531 state->regs->TAG_VLAN_MASK_EVEN_BIT:
532 state->regs->TAG_VLAN_MASK_ODD_BIT;
533 if (state->regs->SIMPLE_VLAN_REGISTERS) {
534 addr.m += j;
535 } else {
536 addr.m += j/2;
537 }
538 GET_PORT_BITS(state, state->vlan_ports[j], addr, bit_lookup);
539 }
540 } else {
541 for (j=0; j<MAX_VLANS; j++) {
542 state->vlan_ports[j] = 0;
543 for (i=0; i<state->regs->NUM_PORTS; i++) {
544 if ((state->ports[i].pvid == j) ||
545 (state->ports[i].pvid == 0)) {
546 state->vlan_ports[j] |= (1<<i);
547 }
548 }
549 }
550 }
551
552 return 0;
553 }
554
555 /** Only set vlan and router flags in the switch **/
556 static int ip175c_set_flags(struct ip175c_state *state)
557 {
558 int val;
559
560 if (!REG_SUPP(state->regs->ROUTER_CONTROL_REG)) {
561 return 0;
562 }
563
564 val = getPhy(state, state->regs->ROUTER_CONTROL_REG);
565 if (val < 0) {
566 return val;
567 }
568 if (state->regs->ROUTER_EN_BIT >= 0) {
569 if (state->router_mode) {
570 val |= (1<<state->regs->ROUTER_EN_BIT);
571 } else {
572 val &= (~(1<<state->regs->ROUTER_EN_BIT));
573 }
574 }
575 if (state->regs->TAG_VLAN_BIT >= 0) {
576 if (state->vlan_enabled) {
577 val |= (1<<state->regs->TAG_VLAN_BIT);
578 } else {
579 val &= (~(1<<state->regs->TAG_VLAN_BIT));
580 }
581 }
582 if (state->regs->NUMLAN_GROUPS_BIT >= 0) {
583 val &= (~((state->regs->NUMLAN_GROUPS_MAX-1)<<state->regs->NUMLAN_GROUPS_BIT));
584 if (state->num_vlans > state->regs->NUMLAN_GROUPS_MAX) {
585 val |= state->regs->NUMLAN_GROUPS_MAX << state->regs->NUMLAN_GROUPS_BIT;
586 } else if (state->num_vlans >= 1) {
587 val |= (state->num_vlans-1) << state->regs->NUMLAN_GROUPS_BIT;
588 }
589 }
590 return setPhy(state, state->regs->ROUTER_CONTROL_REG, val);
591 }
592
593 /** Set all VLAN and port state. Usually you should call "correct_vlan_state" first. **/
594 static int ip175c_set_state(struct ip175c_state *state)
595 {
596 int j;
597 int i;
598 SET_PORT_BITS(state, state->add_tag,
599 state->regs->ADD_TAG_REG, state->regs->ADD_TAG_BIT);
600 SET_PORT_BITS(state, state->remove_tag,
601 state->regs->REMOVE_TAG_REG, state->regs->REMOVE_TAG_BIT);
602
603 if (REG_SUPP(state->regs->VLAN_LOOKUP_REG)) {
604 for (j=0; j<state->regs->NUM_PORTS; j++) {
605 reg addr;
606 const bitnum *bit_lookup = (j%2==0)?
607 state->regs->VLAN_LOOKUP_EVEN_BIT:
608 state->regs->VLAN_LOOKUP_ODD_BIT;
609
610 // duplicate code -- sorry
611 addr = state->regs->VLAN_LOOKUP_REG;
612 if (state->regs->SIMPLE_VLAN_REGISTERS) {
613 addr.m += j;
614 } else {
615 switch (j) {
616 case 0:
617 case 1:
618 break;
619 case 2:
620 case 3:
621 addr.m+=1;
622 break;
623 case 4:
624 addr.m+=2;
625 break;
626 case 5:
627 addr = state->regs->VLAN_LOOKUP_REG_5;
628 break;
629 default:
630 addr.m = -1; // shouldn't get here, but...
631 break;
632 }
633 }
634 //printf("shareports for %d is %02X\n",j,state->ports[j].shareports);
635 if (REG_SUPP(addr)) {
636 SET_PORT_BITS(state, state->ports[j].shareports, addr, bit_lookup);
637 }
638 }
639 }
640 if (REG_SUPP(state->regs->TAG_VLAN_MASK_REG)) {
641 for (j=0; j<MAX_VLANS; j++) {
642 reg addr = state->regs->TAG_VLAN_MASK_REG;
643 const bitnum *bit_lookup = (j%2==0)?
644 state->regs->TAG_VLAN_MASK_EVEN_BIT:
645 state->regs->TAG_VLAN_MASK_ODD_BIT;
646 unsigned int vlan_mask;
647 if (state->regs->SIMPLE_VLAN_REGISTERS) {
648 addr.m += j;
649 } else {
650 addr.m += j/2;
651 }
652 vlan_mask = state->vlan_ports[j];
653 SET_PORT_BITS(state, vlan_mask, addr, bit_lookup);
654 }
655 }
656
657 for (i=0; i<MAX_PORTS; i++) {
658 if (REG_SUPP(state->regs->VLAN_DEFAULT_TAG_REG[i])) {
659 int err = setPhy(state, state->regs->VLAN_DEFAULT_TAG_REG[i],
660 state->ports[i].pvid);
661 if (err < 0) {
662 return err;
663 }
664 }
665 }
666
667 return ip175c_set_flags(state);
668 }
669
670 /**
671 * Uses only the VLAN port mask and the add tag mask to generate the other fields:
672 * which ports are part of the same VLAN, removing vlan tags, and VLAN tag ids.
673 */
674 static void ip175c_correct_vlan_state(struct ip175c_state *state)
675 {
676 int i, j;
677 state->num_vlans = 0;
678 for (i=0; i<MAX_VLANS; i++) {
679 if (state->vlan_ports[i] != 0) {
680 state->num_vlans = i+1; // Hack -- we need to store the "set" vlans somewhere...
681 }
682 }
683
684 for (i=0; i<state->regs->NUM_PORTS; i++) {
685 unsigned int portmask = (1<<i);
686 if (!state->vlan_enabled) {
687 // Share with everybody!
688 state->ports[i].shareports = (1<<state->regs->NUM_PORTS)-1;
689 continue;
690 }
691 state->ports[i].shareports = portmask;
692 for (j=0; j<MAX_VLANS; j++) {
693 if (state->vlan_ports[j] & portmask)
694 state->ports[i].shareports |= state->vlan_ports[j];
695 }
696 }
697 state->remove_tag = ((~state->add_tag) & ((1<<state->regs->NUM_PORTS)-1));
698 }
699
700 static int ip175c_update_state(struct ip175c_state *state)
701 {
702 ip175c_correct_vlan_state(state);
703 return ip175c_set_state(state);
704 }
705
706 static int ip175c_set_vlan_mode(struct ip175c_state *state)
707 {
708 return ip175c_update_state(state);
709 }
710
711 static int ip175c_do_reset(struct ip175c_state *state)
712 {
713 int err;
714
715 if (REG_SUPP(state->regs->MODE_REG)) {
716 err = setPhy(state, state->regs->MODE_REG, state->regs->MODE_VAL);
717 if (err < 0)
718 return err;
719 err = getPhy(state, state->regs->MODE_REG);
720 if (err < 0)
721 return err;
722 }
723
724 return 0;
725 }
726
727 static int ip175c_get_enable_vlan(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
728 {
729 struct ip175c_state *state = dev->priv;
730 int err;
731
732 err = state->regs->get_state(state); // May be set in get_state.
733 if (err < 0)
734 return err;
735 val->value.i = state->vlan_enabled;
736 return 0;
737 }
738
739 static int ip175c_set_enable_vlan(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
740 {
741 struct ip175c_state *state = dev->priv;
742 int err;
743 int enable;
744 int i;
745
746 err = state->regs->get_state(state);
747 if (err < 0)
748 return err;
749 enable = val->value.i;
750
751 if (state->vlan_enabled == enable) {
752 // Do not change any state.
753 return 0;
754 }
755 state->vlan_enabled = enable;
756
757 // Otherwise, if we are switching state, set fields to a known default.
758 state->remove_tag = 0x0000;
759 state->add_tag = 0x0000;
760 for (i = 0; i < MAX_VLANS; i++)
761 state->vlan_ports[i] = 0x0;
762
763 return state->regs->set_vlan_mode(state);
764 }
765
766 static int ip175c_get_ports(struct switch_dev *dev, struct switch_val *val)
767 {
768 struct ip175c_state *state = dev->priv;
769 int err;
770 int b;
771 int ind;
772 unsigned int ports;
773
774 if (val->port_vlan >= dev->vlans || val->port_vlan < 0)
775 return -EINVAL;
776
777 err = state->regs->get_state(state);
778 if (err<0)
779 return err;
780
781 ports = state->vlan_ports[val->port_vlan];
782 b = 0;
783 ind = 0;
784 while (b < MAX_PORTS) {
785 if (ports&1) {
786 int istagged = ((state->add_tag >> b) & 1);
787 val->value.ports[ind].id = b;
788 val->value.ports[ind].flags = (istagged << SWITCH_PORT_FLAG_TAGGED);
789 ind++;
790 }
791 b++;
792 ports >>= 1;
793 }
794 val->len = ind;
795
796 return 0;
797 }
798
799 static int ip175c_set_ports(struct switch_dev *dev, struct switch_val *val)
800 {
801 struct ip175c_state *state = dev->priv;
802 int i;
803 int err;
804
805 if (val->port_vlan >= dev->vlans || val->port_vlan < 0)
806 return -EINVAL;
807
808 err = state->regs->get_state(state);
809 if (err < 0)
810 return err;
811
812 state->vlan_ports[val->port_vlan] = 0;
813 for (i = 0; i < val->len; i++) {
814 int bitmask = (1<<val->value.ports[i].id);
815 state->vlan_ports[val->port_vlan] |= bitmask;
816 if (val->value.ports[i].flags & (1<<SWITCH_PORT_FLAG_TAGGED)) {
817 state->add_tag |= bitmask;
818 } else {
819 state->add_tag &= (~bitmask);
820 }
821 }
822
823 return state->regs->update_state(state);
824 }
825
826 static int ip175c_apply(struct switch_dev *dev)
827 {
828 struct ip175c_state *state = dev->priv;
829 int err;
830
831 err = state->regs->get_flags(state);
832 if (err < 0)
833 return err;
834
835 if (REG_SUPP(state->regs->MII_REGISTER_EN)) {
836 int val = getPhy(state, state->regs->MII_REGISTER_EN);
837 if (val < 0) {
838 return val;
839 }
840 val |= (1<<state->regs->MII_REGISTER_EN_BIT);
841 return setPhy(state, state->regs->MII_REGISTER_EN, val);
842 }
843 return 0;
844 }
845
846 static int ip175c_reset(struct switch_dev *dev)
847 {
848 struct ip175c_state *state = dev->priv;
849 int i, err;
850
851 err = state->regs->get_flags(state);
852 if (err < 0)
853 return err;
854
855 if (REG_SUPP(state->regs->RESET_REG)) {
856 err = setPhy(state, state->regs->RESET_REG, state->regs->RESET_VAL);
857 if (err < 0)
858 return err;
859 err = getPhy(state, state->regs->RESET_REG);
860
861 /*
862 * Data sheet specifies reset period to be 2 msec.
863 * (I don't see any mention of the 2ms delay in the IP178C spec, only
864 * in IP175C, but it can't hurt.)
865 */
866 mdelay(2);
867 }
868
869 /* reset switch ports */
870 for (i = 0; i < state->regs->NUM_PORTS-1; i++) {
871 err = ip_phy_write(state, i, MII_BMCR, BMCR_RESET);
872 if (err < 0)
873 return err;
874 }
875
876 return state->regs->reset(state);
877 }
878
879 static int ip175c_get_tagged(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
880 {
881 struct ip175c_state *state = dev->priv;
882 int err;
883
884 err = state->regs->get_state(state);
885 if (err < 0)
886 return err;
887
888 if (state->add_tag & (1<<val->port_vlan)) {
889 if (state->remove_tag & (1<<val->port_vlan))
890 val->value.i = 3; // shouldn't ever happen.
891 else
892 val->value.i = 1;
893 } else {
894 if (state->remove_tag & (1<<val->port_vlan))
895 val->value.i = 0;
896 else
897 val->value.i = 2;
898 }
899 return 0;
900 }
901
902 static int ip175c_set_tagged(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
903 {
904 struct ip175c_state *state = dev->priv;
905 int err;
906
907 err = state->regs->get_state(state);
908 if (err < 0)
909 return err;
910
911 state->add_tag &= ~(1<<val->port_vlan);
912 state->remove_tag &= ~(1<<val->port_vlan);
913
914 if (val->value.i == 0)
915 state->remove_tag |= (1<<val->port_vlan);
916 if (val->value.i == 1)
917 state->add_tag |= (1<<val->port_vlan);
918
919 return state->regs->update_state(state);
920 }
921
922 /** Get the current phy address */
923 static int ip175c_get_phy(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
924 {
925 struct ip175c_state *state = dev->priv;
926
927 val->value.i = state->proc_mii.p;
928 return 0;
929 }
930
931 /** Set a new phy address for low level access to registers */
932 static int ip175c_set_phy(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
933 {
934 struct ip175c_state *state = dev->priv;
935 int new_reg = val->value.i;
936
937 if (new_reg < 0 || new_reg > 31)
938 state->proc_mii.p = (u16)-1;
939 else
940 state->proc_mii.p = (u16)new_reg;
941 return 0;
942 }
943
944 /** Get the current register number */
945 static int ip175c_get_reg(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
946 {
947 struct ip175c_state *state = dev->priv;
948
949 val->value.i = state->proc_mii.m;
950 return 0;
951 }
952
953 /** Set a new register address for low level access to registers */
954 static int ip175c_set_reg(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
955 {
956 struct ip175c_state *state = dev->priv;
957 int new_reg = val->value.i;
958
959 if (new_reg < 0 || new_reg > 31)
960 state->proc_mii.m = (u16)-1;
961 else
962 state->proc_mii.m = (u16)new_reg;
963 return 0;
964 }
965
966 /** Get the register content of state->proc_mii */
967 static int ip175c_get_val(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
968 {
969 struct ip175c_state *state = dev->priv;
970 int retval = -EINVAL;
971 if (REG_SUPP(state->proc_mii))
972 retval = getPhy(state, state->proc_mii);
973
974 if (retval < 0) {
975 return retval;
976 } else {
977 val->value.i = retval;
978 return 0;
979 }
980 }
981
982 /** Write a value to the register defined by phy/reg above */
983 static int ip175c_set_val(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
984 {
985 struct ip175c_state *state = dev->priv;
986 int myval, err = -EINVAL;
987
988 myval = val->value.i;
989 if (myval <= 0xffff && myval >= 0 && REG_SUPP(state->proc_mii)) {
990 err = setPhy(state, state->proc_mii, (u16)myval);
991 }
992 return err;
993 }
994
995 static int ip175c_read_name(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
996 {
997 struct ip175c_state *state = dev->priv;
998 val->value.s = state->regs->NAME; // Just a const pointer, won't be freed by swconfig.
999 return 0;
1000 }
1001
1002 static int ip175c_set_port_speed(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
1003 {
1004 struct ip175c_state *state = dev->priv;
1005 int nr = val->port_vlan;
1006 int ctrl;
1007 int autoneg;
1008 int speed;
1009 if (val->value.i == 100) {
1010 speed = 1;
1011 autoneg = 0;
1012 } else if (val->value.i == 10) {
1013 speed = 0;
1014 autoneg = 0;
1015 } else {
1016 autoneg = 1;
1017 speed = 1;
1018 }
1019
1020 /* Can't set speed for cpu port */
1021 if (nr == state->regs->CPU_PORT)
1022 return -EINVAL;
1023
1024 if (nr >= dev->ports || nr < 0)
1025 return -EINVAL;
1026
1027 ctrl = ip_phy_read(state, nr, 0);
1028 if (ctrl < 0)
1029 return -EIO;
1030
1031 ctrl &= (~(1<<12));
1032 ctrl &= (~(1<<13));
1033 ctrl |= (autoneg<<12);
1034 ctrl |= (speed<<13);
1035
1036 return ip_phy_write(state, nr, 0, ctrl);
1037 }
1038
1039 static int ip175c_get_port_speed(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
1040 {
1041 struct ip175c_state *state = dev->priv;
1042 int nr = val->port_vlan;
1043 int speed, status;
1044
1045 if (nr == state->regs->CPU_PORT) {
1046 val->value.i = 100;
1047 return 0;
1048 }
1049
1050 if (nr >= dev->ports || nr < 0)
1051 return -EINVAL;
1052
1053 status = ip_phy_read(state, nr, 1);
1054 speed = ip_phy_read(state, nr, 18);
1055 if (status < 0 || speed < 0)
1056 return -EIO;
1057
1058 if (status & 4)
1059 val->value.i = ((speed & (1<<11)) ? 100 : 10);
1060 else
1061 val->value.i = 0;
1062
1063 return 0;
1064 }
1065
1066 static int ip175c_get_port_status(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
1067 {
1068 struct ip175c_state *state = dev->priv;
1069 int ctrl, speed, status;
1070 int nr = val->port_vlan;
1071 int len;
1072 char *buf = state->buf; // fixed-length at 80.
1073
1074 if (nr == state->regs->CPU_PORT) {
1075 sprintf(buf, "up, 100 Mbps, cpu port");
1076 val->value.s = buf;
1077 return 0;
1078 }
1079
1080 if (nr >= dev->ports || nr < 0)
1081 return -EINVAL;
1082
1083 ctrl = ip_phy_read(state, nr, 0);
1084 status = ip_phy_read(state, nr, 1);
1085 speed = ip_phy_read(state, nr, 18);
1086 if (ctrl < 0 || status < 0 || speed < 0)
1087 return -EIO;
1088
1089 if (status & 4)
1090 len = sprintf(buf, "up, %d Mbps, %s duplex",
1091 ((speed & (1<<11)) ? 100 : 10),
1092 ((speed & (1<<10)) ? "full" : "half"));
1093 else
1094 len = sprintf(buf, "down");
1095
1096 if (ctrl & (1<<12)) {
1097 len += sprintf(buf+len, ", auto-negotiate");
1098 if (!(status & (1<<5)))
1099 len += sprintf(buf+len, " (in progress)");
1100 } else {
1101 len += sprintf(buf+len, ", fixed speed (%d)",
1102 ((ctrl & (1<<13)) ? 100 : 10));
1103 }
1104
1105 buf[len] = '\0';
1106 val->value.s = buf;
1107 return 0;
1108 }
1109
1110 static int ip175c_get_pvid(struct switch_dev *dev, int port, int *val)
1111 {
1112 struct ip175c_state *state = dev->priv;
1113
1114 *val = state->ports[port].pvid;
1115 return 0;
1116 }
1117
1118 static int ip175c_set_pvid(struct switch_dev *dev, int port, int val)
1119 {
1120 struct ip175c_state *state = dev->priv;
1121 int err;
1122
1123 if (val < 0 || val >= MAX_VLANS)
1124 return -EINVAL;
1125
1126 err = state->regs->get_state(state);
1127 if (err < 0)
1128 return err;
1129
1130 state->ports[port].pvid = val;
1131
1132 return state->regs->update_state(state);
1133 }
1134
1135
1136 enum Ports {
1137 IP175C_PORT_STATUS,
1138 IP175C_PORT_LINK,
1139 IP175C_PORT_TAGGED,
1140 IP175C_PORT_PVID,
1141 };
1142
1143 enum Globals {
1144 IP175C_ENABLE_VLAN,
1145 IP175C_GET_NAME,
1146 IP175C_REGISTER_PHY,
1147 IP175C_REGISTER_MII,
1148 IP175C_REGISTER_VALUE,
1149 IP175C_REGISTER_ERRNO,
1150 };
1151
1152 static const struct switch_attr ip175c_global[] = {
1153 [IP175C_ENABLE_VLAN] = {
1154 .id = IP175C_ENABLE_VLAN,
1155 .type = SWITCH_TYPE_INT,
1156 .name = "enable_vlan",
1157 .description = "Flag to enable or disable VLANs and tagging",
1158 .get = ip175c_get_enable_vlan,
1159 .set = ip175c_set_enable_vlan,
1160 },
1161 [IP175C_GET_NAME] = {
1162 .id = IP175C_GET_NAME,
1163 .type = SWITCH_TYPE_STRING,
1164 .description = "Returns the type of IC+ chip.",
1165 .name = "name",
1166 .get = ip175c_read_name,
1167 .set = NULL,
1168 },
1169 /* jal: added for low level debugging etc. */
1170 [IP175C_REGISTER_PHY] = {
1171 .id = IP175C_REGISTER_PHY,
1172 .type = SWITCH_TYPE_INT,
1173 .description = "Direct register access: set PHY (0-4, or 29,30,31)",
1174 .name = "phy",
1175 .get = ip175c_get_phy,
1176 .set = ip175c_set_phy,
1177 },
1178 [IP175C_REGISTER_MII] = {
1179 .id = IP175C_REGISTER_MII,
1180 .type = SWITCH_TYPE_INT,
1181 .description = "Direct register access: set MII register number (0-31)",
1182 .name = "reg",
1183 .get = ip175c_get_reg,
1184 .set = ip175c_set_reg,
1185 },
1186 [IP175C_REGISTER_VALUE] = {
1187 .id = IP175C_REGISTER_VALUE,
1188 .type = SWITCH_TYPE_INT,
1189 .description = "Direct register access: read/write to register (0-65535)",
1190 .name = "val",
1191 .get = ip175c_get_val,
1192 .set = ip175c_set_val,
1193 },
1194 };
1195
1196 static const struct switch_attr ip175c_vlan[] = {
1197 };
1198
1199 static const struct switch_attr ip175c_port[] = {
1200 [IP175C_PORT_STATUS] = {
1201 .id = IP175C_PORT_STATUS,
1202 .type = SWITCH_TYPE_STRING,
1203 .description = "Returns Detailed port status",
1204 .name = "status",
1205 .get = ip175c_get_port_status,
1206 .set = NULL,
1207 },
1208 [IP175C_PORT_LINK] = {
1209 .id = IP175C_PORT_LINK,
1210 .type = SWITCH_TYPE_INT,
1211 .description = "Link speed. Can write 0 for auto-negotiate, or 10 or 100",
1212 .name = "link",
1213 .get = ip175c_get_port_speed,
1214 .set = ip175c_set_port_speed,
1215 },
1216 [IP175C_PORT_TAGGED] = {
1217 .id = IP175C_PORT_LINK,
1218 .type = SWITCH_TYPE_INT,
1219 .description = "0 = untag, 1 = add tags, 2 = do not alter (This value is reset if vlans are altered)",
1220 .name = "tagged",
1221 .get = ip175c_get_tagged,
1222 .set = ip175c_set_tagged,
1223 },
1224 };
1225
1226 static int ip175c_probe(struct phy_device *pdev)
1227 {
1228 struct ip175c_state *state;
1229 struct switch_dev *dev;
1230 int err;
1231
1232 /* We only attach to PHY 0, but use all available PHYs */
1233 if (pdev->addr != 0)
1234 return -ENODEV;
1235
1236 state = kzalloc(sizeof(*state), GFP_KERNEL);
1237 if (!state)
1238 return -ENOMEM;
1239
1240 dev = &state->dev;
1241 dev->attr_global.attr = ip175c_global;
1242 dev->attr_global.n_attr = ARRAY_SIZE(ip175c_global);
1243 dev->attr_port.attr = ip175c_port;
1244 dev->attr_port.n_attr = ARRAY_SIZE(ip175c_port);
1245 dev->attr_vlan.attr = ip175c_vlan;
1246 dev->attr_vlan.n_attr = ARRAY_SIZE(ip175c_vlan);
1247
1248 dev->get_port_pvid = ip175c_get_pvid;
1249 dev->set_port_pvid = ip175c_set_pvid;
1250 dev->get_vlan_ports = ip175c_get_ports;
1251 dev->set_vlan_ports = ip175c_set_ports;
1252 dev->apply_config = ip175c_apply;
1253 dev->reset_switch = ip175c_reset;
1254
1255 dev->priv = state;
1256 pdev->priv = state;
1257 state->mii_bus = pdev->bus;
1258
1259 err = get_model(state);
1260 if (err < 0)
1261 goto error;
1262
1263 dev->vlans = MAX_VLANS;
1264 dev->cpu_port = state->regs->CPU_PORT;
1265 dev->ports = state->regs->NUM_PORTS;
1266 dev->name = state->regs->NAME;
1267
1268 return 0;
1269
1270 error:
1271 kfree(state);
1272 return err;
1273 }
1274
1275 static int ip175c_config_init(struct phy_device *pdev)
1276 {
1277 struct ip175c_state *state = pdev->priv;
1278 struct net_device *dev = pdev->attached_dev;
1279 int err;
1280
1281 pdev->irq = PHY_IGNORE_INTERRUPT;
1282 err = register_switch(&state->dev, dev);
1283 if (err < 0)
1284 return err;
1285
1286 ip175c_reset(&state->dev);
1287
1288 state->registered = true;
1289 netif_carrier_on(pdev->attached_dev);
1290
1291 return 0;
1292 }
1293
1294 static void ip175c_remove(struct phy_device *pdev)
1295 {
1296 struct ip175c_state *state = pdev->priv;
1297
1298 if (state->registered)
1299 unregister_switch(&state->dev);
1300 kfree(state);
1301 }
1302
1303 static int ip175c_config_aneg(struct phy_device *pdev)
1304 {
1305 return 0;
1306 }
1307
1308 static int ip175c_read_status(struct phy_device *pdev)
1309 {
1310 pdev->speed = SPEED_100;
1311 pdev->duplex = DUPLEX_FULL;
1312 pdev->pause = pdev->asym_pause = 0;
1313 return 0;
1314 }
1315
1316 static struct phy_driver ip175c_driver = {
1317 .name = "IC+ IP175C",
1318 .phy_id = 0x02430d80,
1319 .phy_id_mask = 0x0ffffff0,
1320 .features = PHY_BASIC_FEATURES,
1321 .probe = ip175c_probe,
1322 .remove = ip175c_remove,
1323 .config_init = ip175c_config_init,
1324 .config_aneg = ip175c_config_aneg,
1325 .read_status = ip175c_read_status,
1326 .driver = { .owner = THIS_MODULE },
1327 };
1328
1329 static struct phy_driver ip175a_driver = {
1330 .name = "IC+ IP175A",
1331 .phy_id = 0x02430c50,
1332 .phy_id_mask = 0x0ffffff0,
1333 .features = PHY_BASIC_FEATURES,
1334 .probe = ip175c_probe,
1335 .remove = ip175c_remove,
1336 .config_init = ip175c_config_init,
1337 .config_aneg = ip175c_config_aneg,
1338 .read_status = ip175c_read_status,
1339 .driver = { .owner = THIS_MODULE },
1340 };
1341
1342
1343 int __init ip175c_init(void)
1344 {
1345 int ret;
1346
1347 ret = phy_driver_register(&ip175a_driver);
1348 if (ret < 0)
1349 return ret;
1350
1351 return phy_driver_register(&ip175c_driver);
1352 }
1353
1354 void __exit ip175c_exit(void)
1355 {
1356 phy_driver_unregister(&ip175c_driver);
1357 phy_driver_unregister(&ip175a_driver);
1358 }
1359
1360 MODULE_AUTHOR("Patrick Horn <patrick.horn@gmail.com>");
1361 MODULE_AUTHOR("Felix Fietkau <nbd@openwrt.org>");
1362 MODULE_LICENSE("GPL");
1363
1364 module_init(ip175c_init);
1365 module_exit(ip175c_exit);
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