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[openwrt/svn-archive/archive.git] / target / linux / generic / files / drivers / net / phy / rtl8366s.c
1 /*
2 * Platform driver for the Realtek RTL8366S ethernet switch
3 *
4 * Copyright (C) 2009-2010 Gabor Juhos <juhosg@openwrt.org>
5 * Copyright (C) 2010 Antti Seppälä <a.seppala@gmail.com>
6 *
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License version 2 as published
9 * by the Free Software Foundation.
10 */
11
12 #include <linux/kernel.h>
13 #include <linux/module.h>
14 #include <linux/init.h>
15 #include <linux/platform_device.h>
16 #include <linux/delay.h>
17 #include <linux/skbuff.h>
18 #include <linux/switch.h>
19 #include <linux/rtl8366s.h>
20
21 #include "rtl8366_smi.h"
22
23 #ifdef CONFIG_RTL8366S_PHY_DEBUG_FS
24 #include <linux/debugfs.h>
25 #endif
26
27 #define RTL8366S_DRIVER_DESC "Realtek RTL8366S ethernet switch driver"
28 #define RTL8366S_DRIVER_VER "0.2.2"
29
30 #define RTL8366S_PHY_NO_MAX 4
31 #define RTL8366S_PHY_PAGE_MAX 7
32 #define RTL8366S_PHY_ADDR_MAX 31
33
34 #define RTL8366S_CHIP_GLOBAL_CTRL_REG 0x0000
35 #define RTL8366S_CHIP_CTRL_VLAN (1 << 13)
36
37 /* Switch Global Configuration register */
38 #define RTL8366S_SGCR 0x0000
39 #define RTL8366S_SGCR_EN_BC_STORM_CTRL BIT(0)
40 #define RTL8366S_SGCR_MAX_LENGTH(_x) (_x << 4)
41 #define RTL8366S_SGCR_MAX_LENGTH_MASK RTL8366S_SGCR_MAX_LENGTH(0x3)
42 #define RTL8366S_SGCR_MAX_LENGTH_1522 RTL8366S_SGCR_MAX_LENGTH(0x0)
43 #define RTL8366S_SGCR_MAX_LENGTH_1536 RTL8366S_SGCR_MAX_LENGTH(0x1)
44 #define RTL8366S_SGCR_MAX_LENGTH_1552 RTL8366S_SGCR_MAX_LENGTH(0x2)
45 #define RTL8366S_SGCR_MAX_LENGTH_16000 RTL8366S_SGCR_MAX_LENGTH(0x3)
46
47 /* Port Enable Control register */
48 #define RTL8366S_PECR 0x0001
49
50 /* Switch Security Control registers */
51 #define RTL8366S_SSCR0 0x0002
52 #define RTL8366S_SSCR1 0x0003
53 #define RTL8366S_SSCR2 0x0004
54 #define RTL8366S_SSCR2_DROP_UNKNOWN_DA BIT(0)
55
56 #define RTL8366S_RESET_CTRL_REG 0x0100
57 #define RTL8366S_CHIP_CTRL_RESET_HW 1
58 #define RTL8366S_CHIP_CTRL_RESET_SW (1 << 1)
59
60 #define RTL8366S_CHIP_VERSION_CTRL_REG 0x0104
61 #define RTL8366S_CHIP_VERSION_MASK 0xf
62 #define RTL8366S_CHIP_ID_REG 0x0105
63 #define RTL8366S_CHIP_ID_8366 0x8366
64
65 /* PHY registers control */
66 #define RTL8366S_PHY_ACCESS_CTRL_REG 0x8028
67 #define RTL8366S_PHY_ACCESS_DATA_REG 0x8029
68
69 #define RTL8366S_PHY_CTRL_READ 1
70 #define RTL8366S_PHY_CTRL_WRITE 0
71
72 #define RTL8366S_PHY_REG_MASK 0x1f
73 #define RTL8366S_PHY_PAGE_OFFSET 5
74 #define RTL8366S_PHY_PAGE_MASK (0x7 << 5)
75 #define RTL8366S_PHY_NO_OFFSET 9
76 #define RTL8366S_PHY_NO_MASK (0x1f << 9)
77
78 /* LED control registers */
79 #define RTL8366S_LED_BLINKRATE_REG 0x0420
80 #define RTL8366S_LED_BLINKRATE_BIT 0
81 #define RTL8366S_LED_BLINKRATE_MASK 0x0007
82
83 #define RTL8366S_LED_CTRL_REG 0x0421
84 #define RTL8366S_LED_0_1_CTRL_REG 0x0422
85 #define RTL8366S_LED_2_3_CTRL_REG 0x0423
86
87 #define RTL8366S_MIB_COUNT 33
88 #define RTL8366S_GLOBAL_MIB_COUNT 1
89 #define RTL8366S_MIB_COUNTER_PORT_OFFSET 0x0040
90 #define RTL8366S_MIB_COUNTER_BASE 0x1000
91 #define RTL8366S_MIB_COUNTER_PORT_OFFSET2 0x0008
92 #define RTL8366S_MIB_COUNTER_BASE2 0x1180
93 #define RTL8366S_MIB_CTRL_REG 0x11F0
94 #define RTL8366S_MIB_CTRL_USER_MASK 0x01FF
95 #define RTL8366S_MIB_CTRL_BUSY_MASK 0x0001
96 #define RTL8366S_MIB_CTRL_RESET_MASK 0x0002
97
98 #define RTL8366S_MIB_CTRL_GLOBAL_RESET_MASK 0x0004
99 #define RTL8366S_MIB_CTRL_PORT_RESET_BIT 0x0003
100 #define RTL8366S_MIB_CTRL_PORT_RESET_MASK 0x01FC
101
102
103 #define RTL8366S_PORT_VLAN_CTRL_BASE 0x0058
104 #define RTL8366S_PORT_VLAN_CTRL_REG(_p) \
105 (RTL8366S_PORT_VLAN_CTRL_BASE + (_p) / 4)
106 #define RTL8366S_PORT_VLAN_CTRL_MASK 0xf
107 #define RTL8366S_PORT_VLAN_CTRL_SHIFT(_p) (4 * ((_p) % 4))
108
109
110 #define RTL8366S_VLAN_TABLE_READ_BASE 0x018B
111 #define RTL8366S_VLAN_TABLE_WRITE_BASE 0x0185
112
113 #define RTL8366S_VLAN_TB_CTRL_REG 0x010F
114
115 #define RTL8366S_TABLE_ACCESS_CTRL_REG 0x0180
116 #define RTL8366S_TABLE_VLAN_READ_CTRL 0x0E01
117 #define RTL8366S_TABLE_VLAN_WRITE_CTRL 0x0F01
118
119 #define RTL8366S_VLAN_MEMCONF_BASE 0x0016
120
121
122 #define RTL8366S_PORT_LINK_STATUS_BASE 0x0060
123 #define RTL8366S_PORT_STATUS_SPEED_MASK 0x0003
124 #define RTL8366S_PORT_STATUS_DUPLEX_MASK 0x0004
125 #define RTL8366S_PORT_STATUS_LINK_MASK 0x0010
126 #define RTL8366S_PORT_STATUS_TXPAUSE_MASK 0x0020
127 #define RTL8366S_PORT_STATUS_RXPAUSE_MASK 0x0040
128 #define RTL8366S_PORT_STATUS_AN_MASK 0x0080
129
130
131 #define RTL8366S_PORT_NUM_CPU 5
132 #define RTL8366S_NUM_PORTS 6
133 #define RTL8366S_NUM_VLANS 16
134 #define RTL8366S_NUM_LEDGROUPS 4
135 #define RTL8366S_NUM_VIDS 4096
136 #define RTL8366S_PRIORITYMAX 7
137 #define RTL8366S_FIDMAX 7
138
139
140 #define RTL8366S_PORT_1 (1 << 0) /* In userspace port 0 */
141 #define RTL8366S_PORT_2 (1 << 1) /* In userspace port 1 */
142 #define RTL8366S_PORT_3 (1 << 2) /* In userspace port 2 */
143 #define RTL8366S_PORT_4 (1 << 3) /* In userspace port 3 */
144
145 #define RTL8366S_PORT_UNKNOWN (1 << 4) /* No known connection */
146 #define RTL8366S_PORT_CPU (1 << 5) /* CPU port */
147
148 #define RTL8366S_PORT_ALL (RTL8366S_PORT_1 | \
149 RTL8366S_PORT_2 | \
150 RTL8366S_PORT_3 | \
151 RTL8366S_PORT_4 | \
152 RTL8366S_PORT_UNKNOWN | \
153 RTL8366S_PORT_CPU)
154
155 #define RTL8366S_PORT_ALL_BUT_CPU (RTL8366S_PORT_1 | \
156 RTL8366S_PORT_2 | \
157 RTL8366S_PORT_3 | \
158 RTL8366S_PORT_4 | \
159 RTL8366S_PORT_UNKNOWN)
160
161 #define RTL8366S_PORT_ALL_EXTERNAL (RTL8366S_PORT_1 | \
162 RTL8366S_PORT_2 | \
163 RTL8366S_PORT_3 | \
164 RTL8366S_PORT_4)
165
166 #define RTL8366S_PORT_ALL_INTERNAL (RTL8366S_PORT_UNKNOWN | \
167 RTL8366S_PORT_CPU)
168
169 struct rtl8366s {
170 struct device *parent;
171 struct rtl8366_smi smi;
172 struct switch_dev dev;
173 #ifdef CONFIG_RTL8366S_PHY_DEBUG_FS
174 struct dentry *debugfs_root;
175 #endif
176 };
177
178 struct rtl8366s_vlan_mc {
179 u16 reserved2:1;
180 u16 priority:3;
181 u16 vid:12;
182
183 u16 reserved1:1;
184 u16 fid:3;
185 u16 untag:6;
186 u16 member:6;
187 };
188
189 struct rtl8366s_vlan_4k {
190 u16 reserved1:4;
191 u16 vid:12;
192
193 u16 reserved2:1;
194 u16 fid:3;
195 u16 untag:6;
196 u16 member:6;
197 };
198
199 #ifdef CONFIG_RTL8366S_PHY_DEBUG_FS
200 u16 g_dbg_reg;
201 #endif
202
203 struct mib_counter {
204 unsigned base;
205 unsigned offset;
206 unsigned length;
207 const char *name;
208 };
209
210 static struct mib_counter rtl8366s_mib_counters[RTL8366S_MIB_COUNT] = {
211 { 0, 0, 4, "IfInOctets" },
212 { 0, 4, 4, "EtherStatsOctets" },
213 { 0, 8, 2, "EtherStatsUnderSizePkts" },
214 { 0, 10, 2, "EtherFragments" },
215 { 0, 12, 2, "EtherStatsPkts64Octets" },
216 { 0, 14, 2, "EtherStatsPkts65to127Octets" },
217 { 0, 16, 2, "EtherStatsPkts128to255Octets" },
218 { 0, 18, 2, "EtherStatsPkts256to511Octets" },
219 { 0, 20, 2, "EtherStatsPkts512to1023Octets" },
220 { 0, 22, 2, "EtherStatsPkts1024to1518Octets" },
221 { 0, 24, 2, "EtherOversizeStats" },
222 { 0, 26, 2, "EtherStatsJabbers" },
223 { 0, 28, 2, "IfInUcastPkts" },
224 { 0, 30, 2, "EtherStatsMulticastPkts" },
225 { 0, 32, 2, "EtherStatsBroadcastPkts" },
226 { 0, 34, 2, "EtherStatsDropEvents" },
227 { 0, 36, 2, "Dot3StatsFCSErrors" },
228 { 0, 38, 2, "Dot3StatsSymbolErrors" },
229 { 0, 40, 2, "Dot3InPauseFrames" },
230 { 0, 42, 2, "Dot3ControlInUnknownOpcodes" },
231 { 0, 44, 4, "IfOutOctets" },
232 { 0, 48, 2, "Dot3StatsSingleCollisionFrames" },
233 { 0, 50, 2, "Dot3StatMultipleCollisionFrames" },
234 { 0, 52, 2, "Dot3sDeferredTransmissions" },
235 { 0, 54, 2, "Dot3StatsLateCollisions" },
236 { 0, 56, 2, "EtherStatsCollisions" },
237 { 0, 58, 2, "Dot3StatsExcessiveCollisions" },
238 { 0, 60, 2, "Dot3OutPauseFrames" },
239 { 0, 62, 2, "Dot1dBasePortDelayExceededDiscards" },
240
241 /*
242 * The following counters are accessible at a different
243 * base address.
244 */
245 { 1, 0, 2, "Dot1dTpPortInDiscards" },
246 { 1, 2, 2, "IfOutUcastPkts" },
247 { 1, 4, 2, "IfOutMulticastPkts" },
248 { 1, 6, 2, "IfOutBroadcastPkts" },
249 };
250
251 #define REG_WR(_smi, _reg, _val) \
252 do { \
253 err = rtl8366_smi_write_reg(_smi, _reg, _val); \
254 if (err) \
255 return err; \
256 } while (0)
257
258 #define REG_RMW(_smi, _reg, _mask, _val) \
259 do { \
260 err = rtl8366_smi_rmwr(_smi, _reg, _mask, _val); \
261 if (err) \
262 return err; \
263 } while (0)
264
265 static inline struct rtl8366s *smi_to_rtl8366s(struct rtl8366_smi *smi)
266 {
267 return container_of(smi, struct rtl8366s, smi);
268 }
269
270 static inline struct rtl8366s *sw_to_rtl8366s(struct switch_dev *sw)
271 {
272 return container_of(sw, struct rtl8366s, dev);
273 }
274
275 static inline struct rtl8366_smi *sw_to_rtl8366_smi(struct switch_dev *sw)
276 {
277 struct rtl8366s *rtl = sw_to_rtl8366s(sw);
278 return &rtl->smi;
279 }
280
281 static int rtl8366s_reset_chip(struct rtl8366_smi *smi)
282 {
283 int timeout = 10;
284 u32 data;
285
286 rtl8366_smi_write_reg(smi, RTL8366S_RESET_CTRL_REG,
287 RTL8366S_CHIP_CTRL_RESET_HW);
288 do {
289 msleep(1);
290 if (rtl8366_smi_read_reg(smi, RTL8366S_RESET_CTRL_REG, &data))
291 return -EIO;
292
293 if (!(data & RTL8366S_CHIP_CTRL_RESET_HW))
294 break;
295 } while (--timeout);
296
297 if (!timeout) {
298 printk("Timeout waiting for the switch to reset\n");
299 return -EIO;
300 }
301
302 return 0;
303 }
304
305 static int rtl8366s_hw_init(struct rtl8366_smi *smi)
306 {
307 int err;
308
309 /* set maximum packet length to 1536 bytes */
310 REG_RMW(smi, RTL8366S_SGCR, RTL8366S_SGCR_MAX_LENGTH_MASK,
311 RTL8366S_SGCR_MAX_LENGTH_1536);
312
313 /* enable all ports */
314 REG_WR(smi, RTL8366S_PECR, 0);
315
316 /* disable learning for all ports */
317 REG_WR(smi, RTL8366S_SSCR0, RTL8366S_PORT_ALL);
318
319 /* disable auto ageing for all ports */
320 REG_WR(smi, RTL8366S_SSCR1, RTL8366S_PORT_ALL);
321
322 /* don't drop packets whose DA has not been learned */
323 REG_RMW(smi, RTL8366S_SSCR2, RTL8366S_SSCR2_DROP_UNKNOWN_DA, 0);
324
325 return 0;
326 }
327
328 static int rtl8366s_read_phy_reg(struct rtl8366_smi *smi,
329 u32 phy_no, u32 page, u32 addr, u32 *data)
330 {
331 u32 reg;
332 int ret;
333
334 if (phy_no > RTL8366S_PHY_NO_MAX)
335 return -EINVAL;
336
337 if (page > RTL8366S_PHY_PAGE_MAX)
338 return -EINVAL;
339
340 if (addr > RTL8366S_PHY_ADDR_MAX)
341 return -EINVAL;
342
343 ret = rtl8366_smi_write_reg(smi, RTL8366S_PHY_ACCESS_CTRL_REG,
344 RTL8366S_PHY_CTRL_READ);
345 if (ret)
346 return ret;
347
348 reg = 0x8000 | (1 << (phy_no + RTL8366S_PHY_NO_OFFSET)) |
349 ((page << RTL8366S_PHY_PAGE_OFFSET) & RTL8366S_PHY_PAGE_MASK) |
350 (addr & RTL8366S_PHY_REG_MASK);
351
352 ret = rtl8366_smi_write_reg(smi, reg, 0);
353 if (ret)
354 return ret;
355
356 ret = rtl8366_smi_read_reg(smi, RTL8366S_PHY_ACCESS_DATA_REG, data);
357 if (ret)
358 return ret;
359
360 return 0;
361 }
362
363 static int rtl8366s_write_phy_reg(struct rtl8366_smi *smi,
364 u32 phy_no, u32 page, u32 addr, u32 data)
365 {
366 u32 reg;
367 int ret;
368
369 if (phy_no > RTL8366S_PHY_NO_MAX)
370 return -EINVAL;
371
372 if (page > RTL8366S_PHY_PAGE_MAX)
373 return -EINVAL;
374
375 if (addr > RTL8366S_PHY_ADDR_MAX)
376 return -EINVAL;
377
378 ret = rtl8366_smi_write_reg(smi, RTL8366S_PHY_ACCESS_CTRL_REG,
379 RTL8366S_PHY_CTRL_WRITE);
380 if (ret)
381 return ret;
382
383 reg = 0x8000 | (1 << (phy_no + RTL8366S_PHY_NO_OFFSET)) |
384 ((page << RTL8366S_PHY_PAGE_OFFSET) & RTL8366S_PHY_PAGE_MASK) |
385 (addr & RTL8366S_PHY_REG_MASK);
386
387 ret = rtl8366_smi_write_reg(smi, reg, data);
388 if (ret)
389 return ret;
390
391 return 0;
392 }
393
394 static int rtl8366_get_mib_counter(struct rtl8366_smi *smi, int counter,
395 int port, unsigned long long *val)
396 {
397 int i;
398 int err;
399 u32 addr, data;
400 u64 mibvalue;
401
402 if (port > RTL8366S_NUM_PORTS || counter >= RTL8366S_MIB_COUNT)
403 return -EINVAL;
404
405 switch (rtl8366s_mib_counters[counter].base) {
406 case 0:
407 addr = RTL8366S_MIB_COUNTER_BASE +
408 RTL8366S_MIB_COUNTER_PORT_OFFSET * port;
409 break;
410
411 case 1:
412 addr = RTL8366S_MIB_COUNTER_BASE2 +
413 RTL8366S_MIB_COUNTER_PORT_OFFSET2 * port;
414 break;
415
416 default:
417 return -EINVAL;
418 }
419
420 addr += rtl8366s_mib_counters[counter].offset;
421
422 /*
423 * Writing access counter address first
424 * then ASIC will prepare 64bits counter wait for being retrived
425 */
426 data = 0; /* writing data will be discard by ASIC */
427 err = rtl8366_smi_write_reg(smi, addr, data);
428 if (err)
429 return err;
430
431 /* read MIB control register */
432 err = rtl8366_smi_read_reg(smi, RTL8366S_MIB_CTRL_REG, &data);
433 if (err)
434 return err;
435
436 if (data & RTL8366S_MIB_CTRL_BUSY_MASK)
437 return -EBUSY;
438
439 if (data & RTL8366S_MIB_CTRL_RESET_MASK)
440 return -EIO;
441
442 mibvalue = 0;
443 for (i = rtl8366s_mib_counters[counter].length; i > 0; i--) {
444 err = rtl8366_smi_read_reg(smi, addr + (i - 1), &data);
445 if (err)
446 return err;
447
448 mibvalue = (mibvalue << 16) | (data & 0xFFFF);
449 }
450
451 *val = mibvalue;
452 return 0;
453 }
454
455 static int rtl8366s_get_vlan_4k(struct rtl8366_smi *smi, u32 vid,
456 struct rtl8366_vlan_4k *vlan4k)
457 {
458 struct rtl8366s_vlan_4k vlan4k_priv;
459 int err;
460 u32 data;
461 u16 *tableaddr;
462
463 memset(vlan4k, '\0', sizeof(struct rtl8366_vlan_4k));
464 vlan4k_priv.vid = vid;
465
466 if (vid >= RTL8366S_NUM_VIDS)
467 return -EINVAL;
468
469 tableaddr = (u16 *)&vlan4k_priv;
470
471 /* write VID */
472 data = *tableaddr;
473 err = rtl8366_smi_write_reg(smi, RTL8366S_VLAN_TABLE_WRITE_BASE, data);
474 if (err)
475 return err;
476
477 /* write table access control word */
478 err = rtl8366_smi_write_reg(smi, RTL8366S_TABLE_ACCESS_CTRL_REG,
479 RTL8366S_TABLE_VLAN_READ_CTRL);
480 if (err)
481 return err;
482
483 err = rtl8366_smi_read_reg(smi, RTL8366S_VLAN_TABLE_READ_BASE, &data);
484 if (err)
485 return err;
486
487 *tableaddr = data;
488 tableaddr++;
489
490 err = rtl8366_smi_read_reg(smi, RTL8366S_VLAN_TABLE_READ_BASE + 1,
491 &data);
492 if (err)
493 return err;
494
495 *tableaddr = data;
496
497 vlan4k->vid = vid;
498 vlan4k->untag = vlan4k_priv.untag;
499 vlan4k->member = vlan4k_priv.member;
500 vlan4k->fid = vlan4k_priv.fid;
501
502 return 0;
503 }
504
505 static int rtl8366s_set_vlan_4k(struct rtl8366_smi *smi,
506 const struct rtl8366_vlan_4k *vlan4k)
507 {
508 struct rtl8366s_vlan_4k vlan4k_priv;
509 int err;
510 u32 data;
511 u16 *tableaddr;
512
513 if (vlan4k->vid >= RTL8366S_NUM_VIDS ||
514 vlan4k->member > RTL8366S_PORT_ALL ||
515 vlan4k->untag > RTL8366S_PORT_ALL ||
516 vlan4k->fid > RTL8366S_FIDMAX)
517 return -EINVAL;
518
519 vlan4k_priv.vid = vlan4k->vid;
520 vlan4k_priv.untag = vlan4k->untag;
521 vlan4k_priv.member = vlan4k->member;
522 vlan4k_priv.fid = vlan4k->fid;
523
524 tableaddr = (u16 *)&vlan4k_priv;
525
526 data = *tableaddr;
527
528 err = rtl8366_smi_write_reg(smi, RTL8366S_VLAN_TABLE_WRITE_BASE, data);
529 if (err)
530 return err;
531
532 tableaddr++;
533
534 data = *tableaddr;
535
536 err = rtl8366_smi_write_reg(smi, RTL8366S_VLAN_TABLE_WRITE_BASE + 1,
537 data);
538 if (err)
539 return err;
540
541 /* write table access control word */
542 err = rtl8366_smi_write_reg(smi, RTL8366S_TABLE_ACCESS_CTRL_REG,
543 RTL8366S_TABLE_VLAN_WRITE_CTRL);
544
545 return err;
546 }
547
548 static int rtl8366s_get_vlan_mc(struct rtl8366_smi *smi, u32 index,
549 struct rtl8366_vlan_mc *vlanmc)
550 {
551 struct rtl8366s_vlan_mc vlanmc_priv;
552 int err;
553 u32 addr;
554 u32 data;
555 u16 *tableaddr;
556
557 memset(vlanmc, '\0', sizeof(struct rtl8366_vlan_mc));
558
559 if (index >= RTL8366S_NUM_VLANS)
560 return -EINVAL;
561
562 tableaddr = (u16 *)&vlanmc_priv;
563
564 addr = RTL8366S_VLAN_MEMCONF_BASE + (index << 1);
565 err = rtl8366_smi_read_reg(smi, addr, &data);
566 if (err)
567 return err;
568
569 *tableaddr = data;
570 tableaddr++;
571
572 addr = RTL8366S_VLAN_MEMCONF_BASE + 1 + (index << 1);
573 err = rtl8366_smi_read_reg(smi, addr, &data);
574 if (err)
575 return err;
576
577 *tableaddr = data;
578
579 vlanmc->vid = vlanmc_priv.vid;
580 vlanmc->priority = vlanmc_priv.priority;
581 vlanmc->untag = vlanmc_priv.untag;
582 vlanmc->member = vlanmc_priv.member;
583 vlanmc->fid = vlanmc_priv.fid;
584
585 return 0;
586 }
587
588 static int rtl8366s_set_vlan_mc(struct rtl8366_smi *smi, u32 index,
589 const struct rtl8366_vlan_mc *vlanmc)
590 {
591 struct rtl8366s_vlan_mc vlanmc_priv;
592 int err;
593 u32 addr;
594 u32 data;
595 u16 *tableaddr;
596
597 if (index >= RTL8366S_NUM_VLANS ||
598 vlanmc->vid >= RTL8366S_NUM_VIDS ||
599 vlanmc->priority > RTL8366S_PRIORITYMAX ||
600 vlanmc->member > RTL8366S_PORT_ALL ||
601 vlanmc->untag > RTL8366S_PORT_ALL ||
602 vlanmc->fid > RTL8366S_FIDMAX)
603 return -EINVAL;
604
605 vlanmc_priv.vid = vlanmc->vid;
606 vlanmc_priv.priority = vlanmc->priority;
607 vlanmc_priv.untag = vlanmc->untag;
608 vlanmc_priv.member = vlanmc->member;
609 vlanmc_priv.fid = vlanmc->fid;
610
611 addr = RTL8366S_VLAN_MEMCONF_BASE + (index << 1);
612
613 tableaddr = (u16 *)&vlanmc_priv;
614 data = *tableaddr;
615
616 err = rtl8366_smi_write_reg(smi, addr, data);
617 if (err)
618 return err;
619
620 addr = RTL8366S_VLAN_MEMCONF_BASE + 1 + (index << 1);
621
622 tableaddr++;
623 data = *tableaddr;
624
625 err = rtl8366_smi_write_reg(smi, addr, data);
626 if (err)
627 return err;
628
629 return 0;
630 }
631
632 static int rtl8366s_get_mc_index(struct rtl8366_smi *smi, int port, int *val)
633 {
634 u32 data;
635 int err;
636
637 if (port >= RTL8366S_NUM_PORTS)
638 return -EINVAL;
639
640 err = rtl8366_smi_read_reg(smi, RTL8366S_PORT_VLAN_CTRL_REG(port),
641 &data);
642 if (err)
643 return err;
644
645 *val = (data >> RTL8366S_PORT_VLAN_CTRL_SHIFT(port)) &
646 RTL8366S_PORT_VLAN_CTRL_MASK;
647
648 return 0;
649 }
650
651 static int rtl8366s_set_mc_index(struct rtl8366_smi *smi, int port, int index)
652 {
653 if (port >= RTL8366S_NUM_PORTS || index >= RTL8366S_NUM_VLANS)
654 return -EINVAL;
655
656 return rtl8366_smi_rmwr(smi, RTL8366S_PORT_VLAN_CTRL_REG(port),
657 RTL8366S_PORT_VLAN_CTRL_MASK <<
658 RTL8366S_PORT_VLAN_CTRL_SHIFT(port),
659 (index & RTL8366S_PORT_VLAN_CTRL_MASK) <<
660 RTL8366S_PORT_VLAN_CTRL_SHIFT(port));
661 }
662
663 static int rtl8366s_vlan_set_vlan(struct rtl8366_smi *smi, int enable)
664 {
665 return rtl8366_smi_rmwr(smi, RTL8366S_CHIP_GLOBAL_CTRL_REG,
666 RTL8366S_CHIP_CTRL_VLAN,
667 (enable) ? RTL8366S_CHIP_CTRL_VLAN : 0);
668 }
669
670 static int rtl8366s_vlan_set_4ktable(struct rtl8366_smi *smi, int enable)
671 {
672 return rtl8366_smi_rmwr(smi, RTL8366S_VLAN_TB_CTRL_REG,
673 1, (enable) ? 1 : 0);
674 }
675
676 #ifdef CONFIG_RTL8366S_PHY_DEBUG_FS
677 static int rtl8366s_debugfs_open(struct inode *inode, struct file *file)
678 {
679 file->private_data = inode->i_private;
680 return 0;
681 }
682
683 static ssize_t rtl8366s_read_debugfs_mibs(struct file *file,
684 char __user *user_buf,
685 size_t count, loff_t *ppos)
686 {
687 struct rtl8366s *rtl = (struct rtl8366s *)file->private_data;
688 struct rtl8366_smi *smi = &rtl->smi;
689 int i, j, len = 0;
690 char *buf = smi->buf;
691
692 len += snprintf(buf + len, sizeof(smi->buf) - len,
693 "%-36s %12s %12s %12s %12s %12s %12s\n",
694 "Counter",
695 "Port 0", "Port 1", "Port 2",
696 "Port 3", "Port 4", "Port 5");
697
698 for (i = 0; i < ARRAY_SIZE(rtl8366s_mib_counters); ++i) {
699 len += snprintf(buf + len, sizeof(smi->buf) - len, "%-36s ",
700 rtl8366s_mib_counters[i].name);
701 for (j = 0; j < RTL8366S_NUM_PORTS; ++j) {
702 unsigned long long counter = 0;
703
704 if (!rtl8366_get_mib_counter(smi, i, j, &counter))
705 len += snprintf(buf + len,
706 sizeof(smi->buf) - len,
707 "%12llu ", counter);
708 else
709 len += snprintf(buf + len,
710 sizeof(smi->buf) - len,
711 "%12s ", "error");
712 }
713 len += snprintf(buf + len, sizeof(smi->buf) - len, "\n");
714 }
715
716 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
717 }
718
719 static ssize_t rtl8366s_read_debugfs_vlan_mc(struct file *file,
720 char __user *user_buf,
721 size_t count, loff_t *ppos)
722 {
723 struct rtl8366s *rtl = (struct rtl8366s *)file->private_data;
724 struct rtl8366_smi *smi = &rtl->smi;
725 int i, len = 0;
726 char *buf = smi->buf;
727
728 len += snprintf(buf + len, sizeof(smi->buf) - len,
729 "%2s %6s %4s %6s %6s %3s\n",
730 "id", "vid","prio", "member", "untag", "fid");
731
732 for (i = 0; i < RTL8366S_NUM_VLANS; ++i) {
733 struct rtl8366_vlan_mc vlanmc;
734
735 rtl8366s_get_vlan_mc(smi, i, &vlanmc);
736
737 len += snprintf(buf + len, sizeof(smi->buf) - len,
738 "%2d %6d %4d 0x%04x 0x%04x %3d\n",
739 i, vlanmc.vid, vlanmc.priority,
740 vlanmc.member, vlanmc.untag, vlanmc.fid);
741 }
742
743 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
744 }
745
746 static ssize_t rtl8366s_read_debugfs_reg(struct file *file,
747 char __user *user_buf,
748 size_t count, loff_t *ppos)
749 {
750 struct rtl8366s *rtl = (struct rtl8366s *)file->private_data;
751 struct rtl8366_smi *smi = &rtl->smi;
752 u32 t, reg = g_dbg_reg;
753 int err, len = 0;
754 char *buf = smi->buf;
755
756 memset(buf, '\0', sizeof(smi->buf));
757
758 err = rtl8366_smi_read_reg(smi, reg, &t);
759 if (err) {
760 len += snprintf(buf, sizeof(smi->buf),
761 "Read failed (reg: 0x%04x)\n", reg);
762 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
763 }
764
765 len += snprintf(buf, sizeof(smi->buf), "reg = 0x%04x, val = 0x%04x\n",
766 reg, t);
767
768 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
769 }
770
771 static ssize_t rtl8366s_write_debugfs_reg(struct file *file,
772 const char __user *user_buf,
773 size_t count, loff_t *ppos)
774 {
775 struct rtl8366s *rtl = (struct rtl8366s *)file->private_data;
776 struct rtl8366_smi *smi = &rtl->smi;
777 unsigned long data;
778 u32 reg = g_dbg_reg;
779 int err;
780 size_t len;
781 char *buf = smi->buf;
782
783 len = min(count, sizeof(smi->buf) - 1);
784 if (copy_from_user(buf, user_buf, len)) {
785 dev_err(rtl->parent, "copy from user failed\n");
786 return -EFAULT;
787 }
788
789 buf[len] = '\0';
790 if (len > 0 && buf[len - 1] == '\n')
791 buf[len - 1] = '\0';
792
793
794 if (strict_strtoul(buf, 16, &data)) {
795 dev_err(rtl->parent, "Invalid reg value %s\n", buf);
796 } else {
797 err = rtl8366_smi_write_reg(smi, reg, data);
798 if (err) {
799 dev_err(rtl->parent,
800 "writing reg 0x%04x val 0x%04lx failed\n",
801 reg, data);
802 }
803 }
804
805 return count;
806 }
807
808 static const struct file_operations fops_rtl8366s_regs = {
809 .read = rtl8366s_read_debugfs_reg,
810 .write = rtl8366s_write_debugfs_reg,
811 .open = rtl8366s_debugfs_open,
812 .owner = THIS_MODULE
813 };
814
815 static const struct file_operations fops_rtl8366s_vlan_mc = {
816 .read = rtl8366s_read_debugfs_vlan_mc,
817 .open = rtl8366s_debugfs_open,
818 .owner = THIS_MODULE
819 };
820
821 static const struct file_operations fops_rtl8366s_mibs = {
822 .read = rtl8366s_read_debugfs_mibs,
823 .open = rtl8366s_debugfs_open,
824 .owner = THIS_MODULE
825 };
826
827 static void rtl8366s_debugfs_init(struct rtl8366s *rtl)
828 {
829 struct dentry *node;
830 struct dentry *root;
831
832 if (!rtl->debugfs_root)
833 rtl->debugfs_root = debugfs_create_dir("rtl8366s", NULL);
834
835 if (!rtl->debugfs_root) {
836 dev_err(rtl->parent, "Unable to create debugfs dir\n");
837 return;
838 }
839 root = rtl->debugfs_root;
840
841 node = debugfs_create_x16("reg", S_IRUGO | S_IWUSR, root, &g_dbg_reg);
842 if (!node) {
843 dev_err(rtl->parent, "Creating debugfs file '%s' failed\n",
844 "reg");
845 return;
846 }
847
848 node = debugfs_create_file("val", S_IRUGO | S_IWUSR, root, rtl,
849 &fops_rtl8366s_regs);
850 if (!node) {
851 dev_err(rtl->parent, "Creating debugfs file '%s' failed\n",
852 "val");
853 return;
854 }
855
856 node = debugfs_create_file("vlan_mc", S_IRUSR, root, rtl,
857 &fops_rtl8366s_vlan_mc);
858 if (!node) {
859 dev_err(rtl->parent, "Creating debugfs file '%s' failed\n",
860 "vlan_mc");
861 return;
862 }
863
864 node = debugfs_create_file("mibs", S_IRUSR, root, rtl,
865 &fops_rtl8366s_mibs);
866 if (!node) {
867 dev_err(rtl->parent, "Creating debugfs file '%s' failed\n",
868 "mibs");
869 return;
870 }
871 }
872
873 static void rtl8366s_debugfs_remove(struct rtl8366s *rtl)
874 {
875 if (rtl->debugfs_root) {
876 debugfs_remove_recursive(rtl->debugfs_root);
877 rtl->debugfs_root = NULL;
878 }
879 }
880
881 #else
882 static inline void rtl8366s_debugfs_init(struct rtl8366s *rtl) {}
883 static inline void rtl8366s_debugfs_remove(struct rtl8366s *rtl) {}
884 #endif /* CONFIG_RTL8366S_PHY_DEBUG_FS */
885
886 static int rtl8366s_sw_reset_mibs(struct switch_dev *dev,
887 const struct switch_attr *attr,
888 struct switch_val *val)
889 {
890 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
891 int err = 0;
892
893 if (val->value.i == 1)
894 err = rtl8366_smi_rmwr(smi, RTL8366S_MIB_CTRL_REG, 0, (1 << 2));
895
896 return err;
897 }
898
899 static int rtl8366s_sw_get_vlan_enable(struct switch_dev *dev,
900 const struct switch_attr *attr,
901 struct switch_val *val)
902 {
903 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
904 u32 data;
905
906 if (attr->ofs == 1) {
907 rtl8366_smi_read_reg(smi, RTL8366S_CHIP_GLOBAL_CTRL_REG, &data);
908
909 if (data & RTL8366S_CHIP_CTRL_VLAN)
910 val->value.i = 1;
911 else
912 val->value.i = 0;
913 } else if (attr->ofs == 2) {
914 rtl8366_smi_read_reg(smi, RTL8366S_VLAN_TB_CTRL_REG, &data);
915
916 if (data & 0x0001)
917 val->value.i = 1;
918 else
919 val->value.i = 0;
920 }
921
922 return 0;
923 }
924
925 static int rtl8366s_sw_get_blinkrate(struct switch_dev *dev,
926 const struct switch_attr *attr,
927 struct switch_val *val)
928 {
929 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
930 u32 data;
931
932 rtl8366_smi_read_reg(smi, RTL8366S_LED_BLINKRATE_REG, &data);
933
934 val->value.i = (data & (RTL8366S_LED_BLINKRATE_MASK));
935
936 return 0;
937 }
938
939 static int rtl8366s_sw_set_blinkrate(struct switch_dev *dev,
940 const struct switch_attr *attr,
941 struct switch_val *val)
942 {
943 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
944
945 if (val->value.i >= 6)
946 return -EINVAL;
947
948 return rtl8366_smi_rmwr(smi, RTL8366S_LED_BLINKRATE_REG,
949 RTL8366S_LED_BLINKRATE_MASK,
950 val->value.i);
951 }
952
953 static int rtl8366s_sw_set_vlan_enable(struct switch_dev *dev,
954 const struct switch_attr *attr,
955 struct switch_val *val)
956 {
957 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
958
959 if (attr->ofs == 1)
960 return rtl8366s_vlan_set_vlan(smi, val->value.i);
961 else
962 return rtl8366s_vlan_set_4ktable(smi, val->value.i);
963 }
964
965 static const char *rtl8366s_speed_str(unsigned speed)
966 {
967 switch (speed) {
968 case 0:
969 return "10baseT";
970 case 1:
971 return "100baseT";
972 case 2:
973 return "1000baseT";
974 }
975
976 return "unknown";
977 }
978
979 static int rtl8366s_sw_get_port_link(struct switch_dev *dev,
980 const struct switch_attr *attr,
981 struct switch_val *val)
982 {
983 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
984 u32 len = 0, data = 0;
985
986 if (val->port_vlan >= RTL8366S_NUM_PORTS)
987 return -EINVAL;
988
989 memset(smi->buf, '\0', sizeof(smi->buf));
990 rtl8366_smi_read_reg(smi, RTL8366S_PORT_LINK_STATUS_BASE +
991 (val->port_vlan / 2), &data);
992
993 if (val->port_vlan % 2)
994 data = data >> 8;
995
996 if (data & RTL8366S_PORT_STATUS_LINK_MASK) {
997 len = snprintf(smi->buf, sizeof(smi->buf),
998 "port:%d link:up speed:%s %s-duplex %s%s%s",
999 val->port_vlan,
1000 rtl8366s_speed_str(data &
1001 RTL8366S_PORT_STATUS_SPEED_MASK),
1002 (data & RTL8366S_PORT_STATUS_DUPLEX_MASK) ?
1003 "full" : "half",
1004 (data & RTL8366S_PORT_STATUS_TXPAUSE_MASK) ?
1005 "tx-pause ": "",
1006 (data & RTL8366S_PORT_STATUS_RXPAUSE_MASK) ?
1007 "rx-pause " : "",
1008 (data & RTL8366S_PORT_STATUS_AN_MASK) ?
1009 "nway ": "");
1010 } else {
1011 len = snprintf(smi->buf, sizeof(smi->buf), "port:%d link: down",
1012 val->port_vlan);
1013 }
1014
1015 val->value.s = smi->buf;
1016 val->len = len;
1017
1018 return 0;
1019 }
1020
1021 static int rtl8366s_sw_get_vlan_info(struct switch_dev *dev,
1022 const struct switch_attr *attr,
1023 struct switch_val *val)
1024 {
1025 int i;
1026 u32 len = 0;
1027 struct rtl8366_vlan_4k vlan4k;
1028 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
1029 char *buf = smi->buf;
1030 int err;
1031
1032 if (val->port_vlan == 0 || val->port_vlan >= RTL8366S_NUM_VLANS)
1033 return -EINVAL;
1034
1035 memset(buf, '\0', sizeof(smi->buf));
1036
1037 err = rtl8366s_get_vlan_4k(smi, val->port_vlan, &vlan4k);
1038 if (err)
1039 return err;
1040
1041 len += snprintf(buf + len, sizeof(smi->buf) - len,
1042 "VLAN %d: Ports: '", vlan4k.vid);
1043
1044 for (i = 0; i < RTL8366S_NUM_PORTS; i++) {
1045 if (!(vlan4k.member & (1 << i)))
1046 continue;
1047
1048 len += snprintf(buf + len, sizeof(smi->buf) - len, "%d%s", i,
1049 (vlan4k.untag & (1 << i)) ? "" : "t");
1050 }
1051
1052 len += snprintf(buf + len, sizeof(smi->buf) - len,
1053 "', members=%04x, untag=%04x, fid=%u",
1054 vlan4k.member, vlan4k.untag, vlan4k.fid);
1055
1056 val->value.s = buf;
1057 val->len = len;
1058
1059 return 0;
1060 }
1061
1062 static int rtl8366s_sw_set_port_led(struct switch_dev *dev,
1063 const struct switch_attr *attr,
1064 struct switch_val *val)
1065 {
1066 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
1067 u32 data;
1068 u32 mask;
1069 u32 reg;
1070
1071 if (val->port_vlan >= RTL8366S_NUM_PORTS ||
1072 (1 << val->port_vlan) == RTL8366S_PORT_UNKNOWN)
1073 return -EINVAL;
1074
1075 if (val->port_vlan == RTL8366S_PORT_NUM_CPU) {
1076 reg = RTL8366S_LED_BLINKRATE_REG;
1077 mask = 0xF << 4;
1078 data = val->value.i << 4;
1079 } else {
1080 reg = RTL8366S_LED_CTRL_REG;
1081 mask = 0xF << (val->port_vlan * 4),
1082 data = val->value.i << (val->port_vlan * 4);
1083 }
1084
1085 return rtl8366_smi_rmwr(smi, RTL8366S_LED_BLINKRATE_REG, mask, data);
1086 }
1087
1088 static int rtl8366s_sw_get_port_led(struct switch_dev *dev,
1089 const struct switch_attr *attr,
1090 struct switch_val *val)
1091 {
1092 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
1093 u32 data = 0;
1094
1095 if (val->port_vlan >= RTL8366S_NUM_LEDGROUPS)
1096 return -EINVAL;
1097
1098 rtl8366_smi_read_reg(smi, RTL8366S_LED_CTRL_REG, &data);
1099 val->value.i = (data >> (val->port_vlan * 4)) & 0x000F;
1100
1101 return 0;
1102 }
1103
1104 static int rtl8366s_sw_reset_port_mibs(struct switch_dev *dev,
1105 const struct switch_attr *attr,
1106 struct switch_val *val)
1107 {
1108 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
1109
1110 if (val->port_vlan >= RTL8366S_NUM_PORTS)
1111 return -EINVAL;
1112
1113
1114 return rtl8366_smi_rmwr(smi, RTL8366S_MIB_CTRL_REG,
1115 0, (1 << (val->port_vlan + 3)));
1116 }
1117
1118 static int rtl8366s_sw_get_port_mib(struct switch_dev *dev,
1119 const struct switch_attr *attr,
1120 struct switch_val *val)
1121 {
1122 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
1123 int i, len = 0;
1124 unsigned long long counter = 0;
1125 char *buf = smi->buf;
1126
1127 if (val->port_vlan >= RTL8366S_NUM_PORTS)
1128 return -EINVAL;
1129
1130 len += snprintf(buf + len, sizeof(smi->buf) - len,
1131 "Port %d MIB counters\n",
1132 val->port_vlan);
1133
1134 for (i = 0; i < ARRAY_SIZE(rtl8366s_mib_counters); ++i) {
1135 len += snprintf(buf + len, sizeof(smi->buf) - len,
1136 "%-36s: ", rtl8366s_mib_counters[i].name);
1137 if (!rtl8366_get_mib_counter(smi, i, val->port_vlan, &counter))
1138 len += snprintf(buf + len, sizeof(smi->buf) - len,
1139 "%llu\n", counter);
1140 else
1141 len += snprintf(buf + len, sizeof(smi->buf) - len,
1142 "%s\n", "error");
1143 }
1144
1145 val->value.s = buf;
1146 val->len = len;
1147 return 0;
1148 }
1149
1150 static int rtl8366s_sw_get_vlan_ports(struct switch_dev *dev,
1151 struct switch_val *val)
1152 {
1153 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
1154 struct switch_port *port;
1155 struct rtl8366_vlan_4k vlan4k;
1156 int i;
1157
1158 if (val->port_vlan == 0 || val->port_vlan >= RTL8366S_NUM_VLANS)
1159 return -EINVAL;
1160
1161 rtl8366s_get_vlan_4k(smi, val->port_vlan, &vlan4k);
1162
1163 port = &val->value.ports[0];
1164 val->len = 0;
1165 for (i = 0; i < RTL8366S_NUM_PORTS; i++) {
1166 if (!(vlan4k.member & BIT(i)))
1167 continue;
1168
1169 port->id = i;
1170 port->flags = (vlan4k.untag & BIT(i)) ?
1171 0 : BIT(SWITCH_PORT_FLAG_TAGGED);
1172 val->len++;
1173 port++;
1174 }
1175 return 0;
1176 }
1177
1178 static int rtl8366s_sw_set_vlan_ports(struct switch_dev *dev,
1179 struct switch_val *val)
1180 {
1181 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
1182 struct switch_port *port;
1183 u32 member = 0;
1184 u32 untag = 0;
1185 int i;
1186
1187 if (val->port_vlan == 0 || val->port_vlan >= RTL8366S_NUM_VLANS)
1188 return -EINVAL;
1189
1190 port = &val->value.ports[0];
1191 for (i = 0; i < val->len; i++, port++) {
1192 member |= BIT(port->id);
1193
1194 if (!(port->flags & BIT(SWITCH_PORT_FLAG_TAGGED)))
1195 untag |= BIT(port->id);
1196 }
1197
1198 return rtl8366_set_vlan(smi, val->port_vlan, member, untag, 0);
1199 }
1200
1201 static int rtl8366s_sw_get_port_pvid(struct switch_dev *dev, int port, int *val)
1202 {
1203 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
1204 return rtl8366_get_pvid(smi, port, val);
1205 }
1206
1207 static int rtl8366s_sw_set_port_pvid(struct switch_dev *dev, int port, int val)
1208 {
1209 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
1210 return rtl8366_set_pvid(smi, port, val);
1211 }
1212
1213 static int rtl8366s_sw_reset_switch(struct switch_dev *dev)
1214 {
1215 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
1216 int err;
1217
1218 err = rtl8366s_reset_chip(smi);
1219 if (err)
1220 return err;
1221
1222 err = rtl8366s_hw_init(smi);
1223 if (err)
1224 return err;
1225
1226 return rtl8366_reset_vlan(smi);
1227 }
1228
1229 static struct switch_attr rtl8366s_globals[] = {
1230 {
1231 .type = SWITCH_TYPE_INT,
1232 .name = "enable_vlan",
1233 .description = "Enable VLAN mode",
1234 .set = rtl8366s_sw_set_vlan_enable,
1235 .get = rtl8366s_sw_get_vlan_enable,
1236 .max = 1,
1237 .ofs = 1
1238 }, {
1239 .type = SWITCH_TYPE_INT,
1240 .name = "enable_vlan4k",
1241 .description = "Enable VLAN 4K mode",
1242 .set = rtl8366s_sw_set_vlan_enable,
1243 .get = rtl8366s_sw_get_vlan_enable,
1244 .max = 1,
1245 .ofs = 2
1246 }, {
1247 .type = SWITCH_TYPE_INT,
1248 .name = "reset_mibs",
1249 .description = "Reset all MIB counters",
1250 .set = rtl8366s_sw_reset_mibs,
1251 .get = NULL,
1252 .max = 1
1253 }, {
1254 .type = SWITCH_TYPE_INT,
1255 .name = "blinkrate",
1256 .description = "Get/Set LED blinking rate (0 = 43ms, 1 = 84ms,"
1257 " 2 = 120ms, 3 = 170ms, 4 = 340ms, 5 = 670ms)",
1258 .set = rtl8366s_sw_set_blinkrate,
1259 .get = rtl8366s_sw_get_blinkrate,
1260 .max = 5
1261 },
1262 };
1263
1264 static struct switch_attr rtl8366s_port[] = {
1265 {
1266 .type = SWITCH_TYPE_STRING,
1267 .name = "link",
1268 .description = "Get port link information",
1269 .max = 1,
1270 .set = NULL,
1271 .get = rtl8366s_sw_get_port_link,
1272 }, {
1273 .type = SWITCH_TYPE_INT,
1274 .name = "reset_mib",
1275 .description = "Reset single port MIB counters",
1276 .max = 1,
1277 .set = rtl8366s_sw_reset_port_mibs,
1278 .get = NULL,
1279 }, {
1280 .type = SWITCH_TYPE_STRING,
1281 .name = "mib",
1282 .description = "Get MIB counters for port",
1283 .max = 33,
1284 .set = NULL,
1285 .get = rtl8366s_sw_get_port_mib,
1286 }, {
1287 .type = SWITCH_TYPE_INT,
1288 .name = "led",
1289 .description = "Get/Set port group (0 - 3) led mode (0 - 15)",
1290 .max = 15,
1291 .set = rtl8366s_sw_set_port_led,
1292 .get = rtl8366s_sw_get_port_led,
1293 },
1294 };
1295
1296 static struct switch_attr rtl8366s_vlan[] = {
1297 {
1298 .type = SWITCH_TYPE_STRING,
1299 .name = "info",
1300 .description = "Get vlan information",
1301 .max = 1,
1302 .set = NULL,
1303 .get = rtl8366s_sw_get_vlan_info,
1304 },
1305 };
1306
1307 /* template */
1308 static struct switch_dev rtl8366_switch_dev = {
1309 .name = "RTL8366S",
1310 .cpu_port = RTL8366S_PORT_NUM_CPU,
1311 .ports = RTL8366S_NUM_PORTS,
1312 .vlans = RTL8366S_NUM_VLANS,
1313 .attr_global = {
1314 .attr = rtl8366s_globals,
1315 .n_attr = ARRAY_SIZE(rtl8366s_globals),
1316 },
1317 .attr_port = {
1318 .attr = rtl8366s_port,
1319 .n_attr = ARRAY_SIZE(rtl8366s_port),
1320 },
1321 .attr_vlan = {
1322 .attr = rtl8366s_vlan,
1323 .n_attr = ARRAY_SIZE(rtl8366s_vlan),
1324 },
1325
1326 .get_vlan_ports = rtl8366s_sw_get_vlan_ports,
1327 .set_vlan_ports = rtl8366s_sw_set_vlan_ports,
1328 .get_port_pvid = rtl8366s_sw_get_port_pvid,
1329 .set_port_pvid = rtl8366s_sw_set_port_pvid,
1330 .reset_switch = rtl8366s_sw_reset_switch,
1331 };
1332
1333 static int rtl8366s_switch_init(struct rtl8366s *rtl)
1334 {
1335 struct switch_dev *dev = &rtl->dev;
1336 int err;
1337
1338 memcpy(dev, &rtl8366_switch_dev, sizeof(struct switch_dev));
1339 dev->priv = rtl;
1340 dev->devname = dev_name(rtl->parent);
1341
1342 err = register_switch(dev, NULL);
1343 if (err)
1344 dev_err(rtl->parent, "switch registration failed\n");
1345
1346 return err;
1347 }
1348
1349 static void rtl8366s_switch_cleanup(struct rtl8366s *rtl)
1350 {
1351 unregister_switch(&rtl->dev);
1352 }
1353
1354 static int rtl8366s_mii_read(struct mii_bus *bus, int addr, int reg)
1355 {
1356 struct rtl8366_smi *smi = bus->priv;
1357 u32 val = 0;
1358 int err;
1359
1360 err = rtl8366s_read_phy_reg(smi, addr, 0, reg, &val);
1361 if (err)
1362 return 0xffff;
1363
1364 return val;
1365 }
1366
1367 static int rtl8366s_mii_write(struct mii_bus *bus, int addr, int reg, u16 val)
1368 {
1369 struct rtl8366_smi *smi = bus->priv;
1370 u32 t;
1371 int err;
1372
1373 err = rtl8366s_write_phy_reg(smi, addr, 0, reg, val);
1374 /* flush write */
1375 (void) rtl8366s_read_phy_reg(smi, addr, 0, reg, &t);
1376
1377 return err;
1378 }
1379
1380 static int rtl8366s_mii_bus_match(struct mii_bus *bus)
1381 {
1382 return (bus->read == rtl8366s_mii_read &&
1383 bus->write == rtl8366s_mii_write);
1384 }
1385
1386 static int rtl8366s_setup(struct rtl8366s *rtl)
1387 {
1388 struct rtl8366_smi *smi = &rtl->smi;
1389 int ret;
1390
1391 rtl8366s_debugfs_init(rtl);
1392
1393 ret = rtl8366s_reset_chip(smi);
1394 if (ret)
1395 return ret;
1396
1397 ret = rtl8366s_hw_init(smi);
1398 return ret;
1399 }
1400
1401 static int rtl8366s_detect(struct rtl8366_smi *smi)
1402 {
1403 u32 chip_id = 0;
1404 u32 chip_ver = 0;
1405 int ret;
1406
1407 ret = rtl8366_smi_read_reg(smi, RTL8366S_CHIP_ID_REG, &chip_id);
1408 if (ret) {
1409 dev_err(smi->parent, "unable to read chip id\n");
1410 return ret;
1411 }
1412
1413 switch (chip_id) {
1414 case RTL8366S_CHIP_ID_8366:
1415 break;
1416 default:
1417 dev_err(smi->parent, "unknown chip id (%04x)\n", chip_id);
1418 return -ENODEV;
1419 }
1420
1421 ret = rtl8366_smi_read_reg(smi, RTL8366S_CHIP_VERSION_CTRL_REG,
1422 &chip_ver);
1423 if (ret) {
1424 dev_err(smi->parent, "unable to read chip version\n");
1425 return ret;
1426 }
1427
1428 dev_info(smi->parent, "RTL%04x ver. %u chip found\n",
1429 chip_id, chip_ver & RTL8366S_CHIP_VERSION_MASK);
1430
1431 return 0;
1432 }
1433
1434 static struct rtl8366_smi_ops rtl8366s_smi_ops = {
1435 .detect = rtl8366s_detect,
1436 .mii_read = rtl8366s_mii_read,
1437 .mii_write = rtl8366s_mii_write,
1438
1439 .get_vlan_mc = rtl8366s_get_vlan_mc,
1440 .set_vlan_mc = rtl8366s_set_vlan_mc,
1441 .get_vlan_4k = rtl8366s_get_vlan_4k,
1442 .set_vlan_4k = rtl8366s_set_vlan_4k,
1443 .get_mc_index = rtl8366s_get_mc_index,
1444 .set_mc_index = rtl8366s_set_mc_index,
1445 };
1446
1447 static int __init rtl8366s_probe(struct platform_device *pdev)
1448 {
1449 static int rtl8366_smi_version_printed;
1450 struct rtl8366s_platform_data *pdata;
1451 struct rtl8366s *rtl;
1452 struct rtl8366_smi *smi;
1453 int err;
1454
1455 if (!rtl8366_smi_version_printed++)
1456 printk(KERN_NOTICE RTL8366S_DRIVER_DESC
1457 " version " RTL8366S_DRIVER_VER"\n");
1458
1459 pdata = pdev->dev.platform_data;
1460 if (!pdata) {
1461 dev_err(&pdev->dev, "no platform data specified\n");
1462 err = -EINVAL;
1463 goto err_out;
1464 }
1465
1466 rtl = kzalloc(sizeof(*rtl), GFP_KERNEL);
1467 if (!rtl) {
1468 dev_err(&pdev->dev, "no memory for private data\n");
1469 err = -ENOMEM;
1470 goto err_out;
1471 }
1472
1473 rtl->parent = &pdev->dev;
1474
1475 smi = &rtl->smi;
1476 smi->parent = &pdev->dev;
1477 smi->gpio_sda = pdata->gpio_sda;
1478 smi->gpio_sck = pdata->gpio_sck;
1479 smi->ops = &rtl8366s_smi_ops;
1480 smi->cpu_port = RTL8366S_PORT_NUM_CPU;
1481 smi->num_ports = RTL8366S_NUM_PORTS;
1482 smi->num_vlan_mc = RTL8366S_NUM_VLANS;
1483
1484 err = rtl8366_smi_init(smi);
1485 if (err)
1486 goto err_free_rtl;
1487
1488 platform_set_drvdata(pdev, rtl);
1489
1490 err = rtl8366s_setup(rtl);
1491 if (err)
1492 goto err_clear_drvdata;
1493
1494 err = rtl8366s_switch_init(rtl);
1495 if (err)
1496 goto err_clear_drvdata;
1497
1498 return 0;
1499
1500 err_clear_drvdata:
1501 platform_set_drvdata(pdev, NULL);
1502 rtl8366_smi_cleanup(smi);
1503 err_free_rtl:
1504 kfree(rtl);
1505 err_out:
1506 return err;
1507 }
1508
1509 static int rtl8366s_phy_config_init(struct phy_device *phydev)
1510 {
1511 if (!rtl8366s_mii_bus_match(phydev->bus))
1512 return -EINVAL;
1513
1514 return 0;
1515 }
1516
1517 static int rtl8366s_phy_config_aneg(struct phy_device *phydev)
1518 {
1519 return 0;
1520 }
1521
1522 static struct phy_driver rtl8366s_phy_driver = {
1523 .phy_id = 0x001cc960,
1524 .name = "Realtek RTL8366S",
1525 .phy_id_mask = 0x1ffffff0,
1526 .features = PHY_GBIT_FEATURES,
1527 .config_aneg = rtl8366s_phy_config_aneg,
1528 .config_init = rtl8366s_phy_config_init,
1529 .read_status = genphy_read_status,
1530 .driver = {
1531 .owner = THIS_MODULE,
1532 },
1533 };
1534
1535 static int __devexit rtl8366s_remove(struct platform_device *pdev)
1536 {
1537 struct rtl8366s *rtl = platform_get_drvdata(pdev);
1538
1539 if (rtl) {
1540 rtl8366s_switch_cleanup(rtl);
1541 rtl8366s_debugfs_remove(rtl);
1542 platform_set_drvdata(pdev, NULL);
1543 rtl8366_smi_cleanup(&rtl->smi);
1544 kfree(rtl);
1545 }
1546
1547 return 0;
1548 }
1549
1550 static struct platform_driver rtl8366s_driver = {
1551 .driver = {
1552 .name = RTL8366S_DRIVER_NAME,
1553 .owner = THIS_MODULE,
1554 },
1555 .probe = rtl8366s_probe,
1556 .remove = __devexit_p(rtl8366s_remove),
1557 };
1558
1559 static int __init rtl8366s_module_init(void)
1560 {
1561 int ret;
1562 ret = platform_driver_register(&rtl8366s_driver);
1563 if (ret)
1564 return ret;
1565
1566 ret = phy_driver_register(&rtl8366s_phy_driver);
1567 if (ret)
1568 goto err_platform_unregister;
1569
1570 return 0;
1571
1572 err_platform_unregister:
1573 platform_driver_unregister(&rtl8366s_driver);
1574 return ret;
1575 }
1576 module_init(rtl8366s_module_init);
1577
1578 static void __exit rtl8366s_module_exit(void)
1579 {
1580 phy_driver_unregister(&rtl8366s_phy_driver);
1581 platform_driver_unregister(&rtl8366s_driver);
1582 }
1583 module_exit(rtl8366s_module_exit);
1584
1585 MODULE_DESCRIPTION(RTL8366S_DRIVER_DESC);
1586 MODULE_VERSION(RTL8366S_DRIVER_VER);
1587 MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>");
1588 MODULE_AUTHOR("Antti Seppälä <a.seppala@gmail.com>");
1589 MODULE_LICENSE("GPL v2");
1590 MODULE_ALIAS("platform:" RTL8366S_DRIVER_NAME);
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