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switch: ROBO Switch Gigabit MII Support
[openwrt/svn-archive/archive.git] / package / switch / src / switch-robo.c
1 /*
2 * Broadcom BCM5325E/536x switch configuration module
3 *
4 * Copyright (C) 2005 Felix Fietkau <nbd@nbd.name>
5 * Copyright (C) 2008 Michael Buesch <mb@bu3sch.de>
6 * Based on 'robocfg' by Oleg I. Vdovikin
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 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
21 * 02110-1301, USA.
22 */
23
24 #include <linux/module.h>
25 #include <linux/init.h>
26 #include <linux/if.h>
27 #include <linux/if_arp.h>
28 #include <linux/sockios.h>
29 #include <linux/ethtool.h>
30 #include <linux/mii.h>
31 #include <linux/delay.h>
32 #include <asm/uaccess.h>
33
34 #include "switch-core.h"
35 #include "etc53xx.h"
36
37 #ifdef CONFIG_BCM47XX
38 #include <bcm47xx_nvram.h>
39 #endif
40
41 #define DRIVER_NAME "bcm53xx"
42 #define DRIVER_VERSION "0.02"
43 #define PFX "roboswitch: "
44
45 #define ROBO_PHY_ADDR 0x1E /* robo switch phy address */
46 #define ROBO_PHY_ADDR_TG3 0x01 /* Tigon3 PHY address */
47 #define ROBO_PHY_ADDR_BCM63XX 0x00 /* BCM63XX PHY address */
48
49 /* MII registers */
50 #define REG_MII_PAGE 0x10 /* MII Page register */
51 #define REG_MII_ADDR 0x11 /* MII Address register */
52 #define REG_MII_DATA0 0x18 /* MII Data register 0 */
53
54 #define REG_MII_PAGE_ENABLE 1
55 #define REG_MII_ADDR_WRITE 1
56 #define REG_MII_ADDR_READ 2
57
58 /* Robo device ID register (in ROBO_MGMT_PAGE) */
59 #define ROBO_DEVICE_ID 0x30
60 #define ROBO_DEVICE_ID_5325 0x25 /* Faked */
61 #define ROBO_DEVICE_ID_5395 0x95
62 #define ROBO_DEVICE_ID_5397 0x97
63 #define ROBO_DEVICE_ID_5398 0x98
64 #define ROBO_DEVICE_ID_53115 0x3115
65
66 /* Private et.o ioctls */
67 #define SIOCGETCPHYRD (SIOCDEVPRIVATE + 9)
68 #define SIOCSETCPHYWR (SIOCDEVPRIVATE + 10)
69
70 /* Data structure for a Roboswitch device. */
71 struct robo_switch {
72 char *device; /* The device name string (ethX) */
73 u16 devid; /* ROBO_DEVICE_ID_53xx */
74 bool is_5350;
75 u8 gmii; /* gigabit mii */
76 struct ifreq ifr;
77 struct net_device *dev;
78 unsigned char port[6];
79 };
80
81 /* Currently we can only have one device in the system. */
82 static struct robo_switch robo;
83
84
85 static int do_ioctl(int cmd)
86 {
87 mm_segment_t old_fs = get_fs();
88 int ret;
89
90 set_fs(KERNEL_DS);
91 ret = robo.dev->netdev_ops->ndo_do_ioctl(robo.dev, &robo.ifr, cmd);
92 set_fs(old_fs);
93
94 return ret;
95 }
96
97 static u16 mdio_read(__u16 phy_id, __u8 reg)
98 {
99 struct mii_ioctl_data *mii = if_mii(&robo.ifr);
100 int err;
101
102 mii->phy_id = phy_id;
103 mii->reg_num = reg;
104
105 err = do_ioctl(SIOCGMIIREG);
106 if (err < 0) {
107 printk(KERN_ERR PFX "failed to read mdio reg %i with err %i.\n", reg, err);
108
109 return 0xffff;
110 }
111
112 return mii->val_out;
113 }
114
115 static void mdio_write(__u16 phy_id, __u8 reg, __u16 val)
116 {
117 struct mii_ioctl_data *mii = if_mii(&robo.ifr);
118 int err;
119
120 mii->phy_id = phy_id;
121 mii->reg_num = reg;
122 mii->val_in = val;
123
124 err = do_ioctl(SIOCSMIIREG);
125 if (err < 0) {
126 printk(KERN_ERR PFX "failed to write mdio reg: %i with err %i.\n", reg, err);
127 return;
128 }
129 }
130
131 static int robo_reg(__u8 page, __u8 reg, __u8 op)
132 {
133 int i = 3;
134
135 /* set page number */
136 mdio_write(ROBO_PHY_ADDR, REG_MII_PAGE,
137 (page << 8) | REG_MII_PAGE_ENABLE);
138
139 /* set register address */
140 mdio_write(ROBO_PHY_ADDR, REG_MII_ADDR,
141 (reg << 8) | op);
142
143 /* check if operation completed */
144 while (i--) {
145 if ((mdio_read(ROBO_PHY_ADDR, REG_MII_ADDR) & 3) == 0)
146 return 0;
147 }
148
149 printk(KERN_ERR PFX "timeout in robo_reg on page %i and reg %i with op %i.\n", page, reg, op);
150
151 return 1;
152 }
153
154 /*
155 static void robo_read(__u8 page, __u8 reg, __u16 *val, int count)
156 {
157 int i;
158
159 robo_reg(page, reg, REG_MII_ADDR_READ);
160
161 for (i = 0; i < count; i++)
162 val[i] = mdio_read(ROBO_PHY_ADDR, REG_MII_DATA0 + i);
163 }
164 */
165
166 static __u16 robo_read16(__u8 page, __u8 reg)
167 {
168 robo_reg(page, reg, REG_MII_ADDR_READ);
169
170 return mdio_read(ROBO_PHY_ADDR, REG_MII_DATA0);
171 }
172
173 static __u32 robo_read32(__u8 page, __u8 reg)
174 {
175 robo_reg(page, reg, REG_MII_ADDR_READ);
176
177 return mdio_read(ROBO_PHY_ADDR, REG_MII_DATA0) |
178 (mdio_read(ROBO_PHY_ADDR, REG_MII_DATA0 + 1) << 16);
179 }
180
181 static void robo_write16(__u8 page, __u8 reg, __u16 val16)
182 {
183 /* write data */
184 mdio_write(ROBO_PHY_ADDR, REG_MII_DATA0, val16);
185
186 robo_reg(page, reg, REG_MII_ADDR_WRITE);
187 }
188
189 static void robo_write32(__u8 page, __u8 reg, __u32 val32)
190 {
191 /* write data */
192 mdio_write(ROBO_PHY_ADDR, REG_MII_DATA0, val32 & 0xFFFF);
193 mdio_write(ROBO_PHY_ADDR, REG_MII_DATA0 + 1, val32 >> 16);
194
195 robo_reg(page, reg, REG_MII_ADDR_WRITE);
196 }
197
198 /* checks that attached switch is 5325/5352/5354/5356/5357/53115 */
199 static int robo_vlan5350(__u32 phyid)
200 {
201 /* set vlan access id to 15 and read it back */
202 __u16 val16 = 15;
203 robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS_5350, val16);
204
205 /* 5365 will refuse this as it does not have this reg */
206 if (robo_read16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS_5350) != val16)
207 return 0;
208 /* gigabit ? */
209 if (mdio_read(0, ROBO_MII_STAT) & 0x0100)
210 robo.gmii = ((mdio_read(0, 0x0f) & 0xf000) != 0);
211 /* 53115 ? */
212 if (robo.gmii && robo_read32(ROBO_STAT_PAGE, ROBO_LSA_IM_PORT) != 0) {
213 robo_write16(ROBO_ARLIO_PAGE, ROBO_VTBL_INDX_5395, val16);
214 robo_write16(ROBO_ARLIO_PAGE, ROBO_VTBL_ACCESS_5395,
215 (1 << 7) /* start */ | 1 /* read */);
216 if (robo_read16(ROBO_ARLIO_PAGE, ROBO_VTBL_ACCESS_5395) == 1 &&
217 robo_read16(ROBO_ARLIO_PAGE, ROBO_VTBL_INDX_5395) == val16)
218 return 4;
219 }
220 /* dirty trick for 5356/5357 */
221 if ((phyid & 0xfff0ffff ) == 0x5da00362 ||
222 (phyid & 0xfff0ffff ) == 0x5e000362)
223 return 3;
224 /* 5325/5352/5354*/
225 return 1;
226 }
227
228 static int robo_switch_enable(void)
229 {
230 unsigned int i, last_port;
231 u16 val;
232 #ifdef CONFIG_BCM47XX
233 char buf[20];
234 #endif
235
236 val = robo_read16(ROBO_CTRL_PAGE, ROBO_SWITCH_MODE);
237 if (!(val & (1 << 1))) {
238 /* Unmanaged mode */
239 val &= ~(1 << 0);
240 /* With forwarding */
241 val |= (1 << 1);
242 robo_write16(ROBO_CTRL_PAGE, ROBO_SWITCH_MODE, val);
243 val = robo_read16(ROBO_CTRL_PAGE, ROBO_SWITCH_MODE);
244 if (!(val & (1 << 1))) {
245 printk(KERN_ERR PFX "Failed to enable switch\n");
246 return -EBUSY;
247 }
248
249 last_port = (robo.devid == ROBO_DEVICE_ID_5398) ?
250 ROBO_PORT6_CTRL : ROBO_PORT3_CTRL;
251 for (i = ROBO_PORT0_CTRL; i < last_port + 1; i++)
252 robo_write16(ROBO_CTRL_PAGE, i, 0);
253 }
254
255 #ifdef CONFIG_BCM47XX
256 /* WAN port LED, except for Netgear WGT634U */
257 if (bcm47xx_nvram_getenv("nvram_type", buf, sizeof(buf)) >= 0) {
258 if (strcmp(buf, "cfe") != 0)
259 robo_write16(ROBO_CTRL_PAGE, 0x16, 0x1F);
260 }
261 #endif
262 return 0;
263 }
264
265 static void robo_switch_reset(void)
266 {
267 if ((robo.devid == ROBO_DEVICE_ID_5395) ||
268 (robo.devid == ROBO_DEVICE_ID_5397) ||
269 (robo.devid == ROBO_DEVICE_ID_5398)) {
270 /* Trigger a software reset. */
271 robo_write16(ROBO_CTRL_PAGE, 0x79, 0x83);
272 mdelay(500);
273 robo_write16(ROBO_CTRL_PAGE, 0x79, 0);
274 }
275 }
276
277 static int robo_probe(char *devname)
278 {
279 __u32 phyid;
280 unsigned int i;
281 int err = 1;
282 struct mii_ioctl_data *mii;
283
284 printk(KERN_INFO PFX "Probing device '%s'\n", devname);
285 strcpy(robo.ifr.ifr_name, devname);
286
287 if ((robo.dev = dev_get_by_name(&init_net, devname)) == NULL) {
288 printk(KERN_ERR PFX "No such device\n");
289 return 1;
290 }
291 if (!robo.dev->netdev_ops || !robo.dev->netdev_ops->ndo_do_ioctl) {
292 printk(KERN_ERR PFX "ndo_do_ioctl not implemented in ethernet driver\n");
293 return 1;
294 }
295
296 robo.device = devname;
297 for (i = 0; i < 5; i++)
298 robo.port[i] = i;
299 robo.port[5] = 8;
300
301 /* try access using MII ioctls - get phy address */
302 err = do_ioctl(SIOCGMIIPHY);
303 if (err < 0) {
304 printk(KERN_ERR PFX "error (%i) while accessing MII phy registers with ioctls\n", err);
305 goto done;
306 }
307
308 /* got phy address check for robo address */
309 mii = if_mii(&robo.ifr);
310 if ((mii->phy_id != ROBO_PHY_ADDR) &&
311 (mii->phy_id != ROBO_PHY_ADDR_BCM63XX) &&
312 (mii->phy_id != ROBO_PHY_ADDR_TG3)) {
313 printk(KERN_ERR PFX "Invalid phy address (%d)\n", mii->phy_id);
314 goto done;
315 }
316
317 phyid = mdio_read(ROBO_PHY_ADDR, 0x2) |
318 (mdio_read(ROBO_PHY_ADDR, 0x3) << 16);
319
320 if (phyid == 0xffffffff || phyid == 0x55210022) {
321 printk(KERN_ERR PFX "No Robo switch in managed mode found, phy_id = 0x%08x\n", phyid);
322 goto done;
323 }
324
325 /* Get the device ID */
326 for (i = 0; i < 10; i++) {
327 robo.devid = robo_read16(ROBO_MGMT_PAGE, ROBO_DEVICE_ID);
328 if (robo.devid)
329 break;
330 udelay(10);
331 }
332 if (!robo.devid)
333 robo.devid = ROBO_DEVICE_ID_5325; /* Fake it */
334 robo.is_5350 = robo_vlan5350(phyid);
335
336 robo_switch_reset();
337 err = robo_switch_enable();
338 if (err)
339 goto done;
340 err = 0;
341
342 printk(KERN_INFO PFX "found a 5%s%x!%s at %s\n", robo.devid & 0xff00 ? "" : "3", robo.devid,
343 robo.is_5350 ? " It's a 5350." : "", devname);
344
345 done:
346 if (err) {
347 dev_put(robo.dev);
348 robo.dev = NULL;
349 }
350 return err;
351 }
352
353
354 static int handle_vlan_port_read(void *driver, char *buf, int nr)
355 {
356 __u16 val16;
357 int len = 0;
358 int j;
359
360 val16 = (nr) /* vlan */ | (0 << 12) /* read */ | (1 << 13) /* enable */;
361
362 if (robo.is_5350) {
363 u32 val32;
364 robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS_5350, val16);
365 /* actual read */
366 val32 = robo_read32(ROBO_VLAN_PAGE, ROBO_VLAN_READ);
367 if ((val32 & (1 << 20)) /* valid */) {
368 for (j = 0; j < 6; j++) {
369 if (val32 & (1 << j)) {
370 len += sprintf(buf + len, "%d", j);
371 if (val32 & (1 << (j + 6))) {
372 if (j == 5) buf[len++] = 'u';
373 } else {
374 buf[len++] = 't';
375 if (robo_read16(ROBO_VLAN_PAGE, ROBO_VLAN_PORT0_DEF_TAG + (j << 1)) == nr)
376 buf[len++] = '*';
377 }
378 buf[len++] = '\t';
379 }
380 }
381 len += sprintf(buf + len, "\n");
382 }
383 } else {
384 robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS, val16);
385 /* actual read */
386 val16 = robo_read16(ROBO_VLAN_PAGE, ROBO_VLAN_READ);
387 if ((val16 & (1 << 14)) /* valid */) {
388 for (j = 0; j < 6; j++) {
389 if (val16 & (1 << j)) {
390 len += sprintf(buf + len, "%d", j);
391 if (val16 & (1 << (j + 7))) {
392 if (j == 5) buf[len++] = 'u';
393 } else {
394 buf[len++] = 't';
395 if (robo_read16(ROBO_VLAN_PAGE, ROBO_VLAN_PORT0_DEF_TAG + (j << 1)) == nr)
396 buf[len++] = '*';
397 }
398 buf[len++] = '\t';
399 }
400 }
401 len += sprintf(buf + len, "\n");
402 }
403 }
404
405 buf[len] = '\0';
406
407 return len;
408 }
409
410 static int handle_vlan_port_write(void *driver, char *buf, int nr)
411 {
412 switch_driver *d = (switch_driver *) driver;
413 switch_vlan_config *c = switch_parse_vlan(d, buf);
414 int j;
415 __u16 val16;
416
417 if (c == NULL)
418 return -EINVAL;
419
420 for (j = 0; j < d->ports; j++) {
421 if ((c->untag | c->pvid) & (1 << j))
422 /* change default vlan tag */
423 robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_PORT0_DEF_TAG + (j << 1), nr);
424 }
425
426 /* write config now */
427
428 if (robo.devid != ROBO_DEVICE_ID_5325) {
429 __u8 regoff = ((robo.devid == ROBO_DEVICE_ID_5395) ||
430 (robo.devid == ROBO_DEVICE_ID_53115)) ? 0x20 : 0;
431
432 robo_write32(ROBO_ARLIO_PAGE, 0x63 + regoff, (c->untag << 9) | c->port);
433 robo_write16(ROBO_ARLIO_PAGE, 0x61 + regoff, nr);
434 robo_write16(ROBO_ARLIO_PAGE, 0x60 + regoff, 1 << 7);
435 kfree(c);
436 return 0;
437 }
438
439 val16 = (nr) /* vlan */ | (1 << 12) /* write */ | (1 << 13) /* enable */;
440 if (robo.is_5350) {
441 robo_write32(ROBO_VLAN_PAGE, ROBO_VLAN_WRITE_5350,
442 (1 << 20) /* valid */ | (c->untag << 6) | c->port);
443 robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS_5350, val16);
444 } else {
445 robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_WRITE,
446 (1 << 14) /* valid */ | (c->untag << 7) | c->port);
447 robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS, val16);
448 }
449
450 kfree(c);
451 return 0;
452 }
453
454 #define set_switch(state) \
455 robo_write16(ROBO_CTRL_PAGE, ROBO_SWITCH_MODE, (robo_read16(ROBO_CTRL_PAGE, ROBO_SWITCH_MODE) & ~2) | (state ? 2 : 0));
456
457 static int handle_enable_read(void *driver, char *buf, int nr)
458 {
459 return sprintf(buf, "%d\n", (((robo_read16(ROBO_CTRL_PAGE, ROBO_SWITCH_MODE) & 2) == 2) ? 1 : 0));
460 }
461
462 static int handle_enable_write(void *driver, char *buf, int nr)
463 {
464 set_switch(buf[0] == '1');
465
466 return 0;
467 }
468
469 static int handle_port_enable_read(void *driver, char *buf, int nr)
470 {
471 return sprintf(buf, "%d\n", ((robo_read16(ROBO_CTRL_PAGE, robo.port[nr]) & 3) == 3 ? 0 : 1));
472 }
473
474 static int handle_port_enable_write(void *driver, char *buf, int nr)
475 {
476 u16 val16;
477
478 if (buf[0] == '0')
479 val16 = 3; /* disabled */
480 else if (buf[0] == '1')
481 val16 = 0; /* enabled */
482 else
483 return -EINVAL;
484
485 robo_write16(ROBO_CTRL_PAGE, robo.port[nr],
486 (robo_read16(ROBO_CTRL_PAGE, robo.port[nr]) & ~3) | val16);
487
488 return 0;
489 }
490
491 static int handle_port_media_read(void *driver, char *buf, int nr)
492 {
493 u16 bmcr = mdio_read(robo.port[nr], MII_BMCR);
494 int media, len;
495
496 if (bmcr & BMCR_ANENABLE)
497 media = SWITCH_MEDIA_AUTO;
498 else {
499 if (bmcr & BMCR_SPEED1000)
500 media = SWITCH_MEDIA_1000;
501 else if (bmcr & BMCR_SPEED100)
502 media = SWITCH_MEDIA_100;
503 else
504 media = 0;
505
506 if (bmcr & BMCR_FULLDPLX)
507 media |= SWITCH_MEDIA_FD;
508 }
509
510 len = switch_print_media(buf, media);
511 return len + sprintf(buf + len, "\n");
512 }
513
514 static int handle_port_media_write(void *driver, char *buf, int nr)
515 {
516 int media = switch_parse_media(buf);
517 u16 bmcr, bmcr_mask;
518
519 if (media & SWITCH_MEDIA_AUTO)
520 bmcr = BMCR_ANENABLE | BMCR_ANRESTART;
521 else {
522 if (media & SWITCH_MEDIA_1000) {
523 if (!robo.gmii)
524 return -EINVAL;
525 bmcr = BMCR_SPEED1000;
526 }
527 else if (media & SWITCH_MEDIA_100)
528 bmcr = BMCR_SPEED100;
529 else
530 bmcr = 0;
531
532 if (media & SWITCH_MEDIA_FD)
533 bmcr |= BMCR_FULLDPLX;
534 }
535
536 bmcr_mask = ~(BMCR_SPEED1000 | BMCR_SPEED100 | BMCR_FULLDPLX | BMCR_ANENABLE | BMCR_ANRESTART);
537 mdio_write(robo.port[nr], MII_BMCR,
538 (mdio_read(robo.port[nr], MII_BMCR) & bmcr_mask) | bmcr);
539
540 return 0;
541 }
542
543 static int handle_enable_vlan_read(void *driver, char *buf, int nr)
544 {
545 return sprintf(buf, "%d\n", (((robo_read16(ROBO_VLAN_PAGE, ROBO_VLAN_CTRL0) & (1 << 7)) == (1 << 7)) ? 1 : 0));
546 }
547
548 static int handle_enable_vlan_write(void *driver, char *buf, int nr)
549 {
550 int disable = ((buf[0] != '1') ? 1 : 0);
551
552 robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_CTRL0, disable ? 0 :
553 (1 << 7) /* 802.1Q VLAN */ | (3 << 5) /* mac check and hash */);
554 robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_CTRL1, disable ? 0 :
555 (robo.devid == ROBO_DEVICE_ID_5325 ? (1 << 1) :
556 0) | (1 << 2) | (1 << 3)); /* RSV multicast */
557
558 if (robo.devid != ROBO_DEVICE_ID_5325)
559 return 0;
560
561 robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_CTRL4, disable ? 0 :
562 (1 << 6) /* drop invalid VID frames */);
563 robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_CTRL5, disable ? 0 :
564 (1 << 3) /* drop miss V table frames */);
565
566 return 0;
567 }
568
569 static int handle_reset(void *driver, char *buf, int nr)
570 {
571 switch_driver *d = (switch_driver *) driver;
572 int j;
573 __u16 val16;
574
575 /* disable switching */
576 set_switch(0);
577
578 /* reset vlans */
579 for (j = 0; j <= ((robo.is_5350) ? VLAN_ID_MAX5350 : VLAN_ID_MAX); j++) {
580 /* write config now */
581 val16 = (j) /* vlan */ | (1 << 12) /* write */ | (1 << 13) /* enable */;
582 if (robo.is_5350)
583 robo_write32(ROBO_VLAN_PAGE, ROBO_VLAN_WRITE_5350, 0);
584 else
585 robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_WRITE, 0);
586 robo_write16(ROBO_VLAN_PAGE, robo.is_5350 ? ROBO_VLAN_TABLE_ACCESS_5350 :
587 ROBO_VLAN_TABLE_ACCESS,
588 val16);
589 }
590
591 /* reset ports to a known good state */
592 for (j = 0; j < d->ports; j++) {
593 robo_write16(ROBO_CTRL_PAGE, robo.port[j], 0x0000);
594 robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_PORT0_DEF_TAG + (j << 1), 0);
595 }
596
597 /* enable switching */
598 set_switch(1);
599
600 /* enable vlans */
601 handle_enable_vlan_write(driver, "1", 0);
602
603 return 0;
604 }
605
606 static int __init robo_init(void)
607 {
608 int notfound = 1;
609 char *device;
610
611 device = strdup("ethX");
612 for (device[3] = '0'; (device[3] <= '3') && notfound; device[3]++) {
613 if (! switch_device_registered (device))
614 notfound = robo_probe(device);
615 }
616 device[3]--;
617
618 if (notfound) {
619 kfree(device);
620 return -ENODEV;
621 } else {
622 static const switch_config cfg[] = {
623 {
624 .name = "enable",
625 .read = handle_enable_read,
626 .write = handle_enable_write
627 }, {
628 .name = "enable_vlan",
629 .read = handle_enable_vlan_read,
630 .write = handle_enable_vlan_write
631 }, {
632 .name = "reset",
633 .read = NULL,
634 .write = handle_reset
635 }, { NULL, },
636 };
637 static const switch_config port[] = {
638 {
639 .name = "enable",
640 .read = handle_port_enable_read,
641 .write = handle_port_enable_write
642 }, {
643 .name = "media",
644 .read = handle_port_media_read,
645 .write = handle_port_media_write
646 }, { NULL, },
647 };
648 static const switch_config vlan[] = {
649 {
650 .name = "ports",
651 .read = handle_vlan_port_read,
652 .write = handle_vlan_port_write
653 }, { NULL, },
654 };
655 switch_driver driver = {
656 .name = DRIVER_NAME,
657 .version = DRIVER_VERSION,
658 .interface = device,
659 .cpuport = 5,
660 .ports = 6,
661 .vlans = 16,
662 .driver_handlers = cfg,
663 .port_handlers = port,
664 .vlan_handlers = vlan,
665 };
666 if (robo.devid != ROBO_DEVICE_ID_5325) {
667 driver.ports = 9;
668 driver.cpuport = 8;
669 }
670
671 return switch_register_driver(&driver);
672 }
673 }
674
675 static void __exit robo_exit(void)
676 {
677 switch_unregister_driver(DRIVER_NAME);
678 if (robo.dev)
679 dev_put(robo.dev);
680 kfree(robo.device);
681 }
682
683
684 MODULE_AUTHOR("Felix Fietkau <openwrt@nbd.name>");
685 MODULE_LICENSE("GPL");
686
687 module_init(robo_init);
688 module_exit(robo_exit);
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