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rtl8306: do not overwrite registers in the phy fixup, it could mess up other switches...
[openwrt.git] / target / linux / generic / files / drivers / net / phy / rtl8366rb.c
1 /*
2 * Platform driver for the Realtek RTL8366RB ethernet switch
3 *
4 * Copyright (C) 2009-2010 Gabor Juhos <juhosg@openwrt.org>
5 * Copyright (C) 2010 Antti Seppälä <a.seppala@gmail.com>
6 * Copyright (C) 2010 Roman Yeryomin <roman@advem.lv>
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License version 2 as published
10 * by the Free Software Foundation.
11 */
12
13 #include <linux/kernel.h>
14 #include <linux/module.h>
15 #include <linux/init.h>
16 #include <linux/platform_device.h>
17 #include <linux/delay.h>
18 #include <linux/skbuff.h>
19 #include <linux/rtl8366rb.h>
20
21 #include "rtl8366_smi.h"
22
23 #define RTL8366RB_DRIVER_DESC "Realtek RTL8366RB ethernet switch driver"
24 #define RTL8366RB_DRIVER_VER "0.2.3"
25
26 #define RTL8366RB_PHY_NO_MAX 4
27 #define RTL8366RB_PHY_PAGE_MAX 7
28 #define RTL8366RB_PHY_ADDR_MAX 31
29 #define RTL8366RB_PHY_WAN 4
30
31 /* Switch Global Configuration register */
32 #define RTL8366RB_SGCR 0x0000
33 #define RTL8366RB_SGCR_EN_BC_STORM_CTRL BIT(0)
34 #define RTL8366RB_SGCR_MAX_LENGTH(_x) (_x << 4)
35 #define RTL8366RB_SGCR_MAX_LENGTH_MASK RTL8366RB_SGCR_MAX_LENGTH(0x3)
36 #define RTL8366RB_SGCR_MAX_LENGTH_1522 RTL8366RB_SGCR_MAX_LENGTH(0x0)
37 #define RTL8366RB_SGCR_MAX_LENGTH_1536 RTL8366RB_SGCR_MAX_LENGTH(0x1)
38 #define RTL8366RB_SGCR_MAX_LENGTH_1552 RTL8366RB_SGCR_MAX_LENGTH(0x2)
39 #define RTL8366RB_SGCR_MAX_LENGTH_9216 RTL8366RB_SGCR_MAX_LENGTH(0x3)
40 #define RTL8366RB_SGCR_EN_VLAN BIT(13)
41 #define RTL8366RB_SGCR_EN_VLAN_4KTB BIT(14)
42
43 /* Port Enable Control register */
44 #define RTL8366RB_PECR 0x0001
45
46 /* Switch Security Control registers */
47 #define RTL8366RB_SSCR0 0x0002
48 #define RTL8366RB_SSCR1 0x0003
49 #define RTL8366RB_SSCR2 0x0004
50 #define RTL8366RB_SSCR2_DROP_UNKNOWN_DA BIT(0)
51
52 #define RTL8366RB_RESET_CTRL_REG 0x0100
53 #define RTL8366RB_CHIP_CTRL_RESET_HW 1
54 #define RTL8366RB_CHIP_CTRL_RESET_SW (1 << 1)
55
56 #define RTL8366RB_CHIP_VERSION_CTRL_REG 0x050A
57 #define RTL8366RB_CHIP_VERSION_MASK 0xf
58 #define RTL8366RB_CHIP_ID_REG 0x0509
59 #define RTL8366RB_CHIP_ID_8366 0x5937
60
61 /* PHY registers control */
62 #define RTL8366RB_PHY_ACCESS_CTRL_REG 0x8000
63 #define RTL8366RB_PHY_ACCESS_DATA_REG 0x8002
64
65 #define RTL8366RB_PHY_CTRL_READ 1
66 #define RTL8366RB_PHY_CTRL_WRITE 0
67
68 #define RTL8366RB_PHY_REG_MASK 0x1f
69 #define RTL8366RB_PHY_PAGE_OFFSET 5
70 #define RTL8366RB_PHY_PAGE_MASK (0xf << 5)
71 #define RTL8366RB_PHY_NO_OFFSET 9
72 #define RTL8366RB_PHY_NO_MASK (0x1f << 9)
73
74 #define RTL8366RB_VLAN_INGRESS_CTRL2_REG 0x037f
75
76 /* LED control registers */
77 #define RTL8366RB_LED_BLINKRATE_REG 0x0430
78 #define RTL8366RB_LED_BLINKRATE_BIT 0
79 #define RTL8366RB_LED_BLINKRATE_MASK 0x0007
80
81 #define RTL8366RB_LED_CTRL_REG 0x0431
82 #define RTL8366RB_LED_0_1_CTRL_REG 0x0432
83 #define RTL8366RB_LED_2_3_CTRL_REG 0x0433
84
85 #define RTL8366RB_MIB_COUNT 33
86 #define RTL8366RB_GLOBAL_MIB_COUNT 1
87 #define RTL8366RB_MIB_COUNTER_PORT_OFFSET 0x0050
88 #define RTL8366RB_MIB_COUNTER_BASE 0x1000
89 #define RTL8366RB_MIB_CTRL_REG 0x13F0
90 #define RTL8366RB_MIB_CTRL_USER_MASK 0x0FFC
91 #define RTL8366RB_MIB_CTRL_BUSY_MASK BIT(0)
92 #define RTL8366RB_MIB_CTRL_RESET_MASK BIT(1)
93 #define RTL8366RB_MIB_CTRL_PORT_RESET(_p) BIT(2 + (_p))
94 #define RTL8366RB_MIB_CTRL_GLOBAL_RESET BIT(11)
95
96 #define RTL8366RB_PORT_VLAN_CTRL_BASE 0x0063
97 #define RTL8366RB_PORT_VLAN_CTRL_REG(_p) \
98 (RTL8366RB_PORT_VLAN_CTRL_BASE + (_p) / 4)
99 #define RTL8366RB_PORT_VLAN_CTRL_MASK 0xf
100 #define RTL8366RB_PORT_VLAN_CTRL_SHIFT(_p) (4 * ((_p) % 4))
101
102
103 #define RTL8366RB_VLAN_TABLE_READ_BASE 0x018C
104 #define RTL8366RB_VLAN_TABLE_WRITE_BASE 0x0185
105
106
107 #define RTL8366RB_TABLE_ACCESS_CTRL_REG 0x0180
108 #define RTL8366RB_TABLE_VLAN_READ_CTRL 0x0E01
109 #define RTL8366RB_TABLE_VLAN_WRITE_CTRL 0x0F01
110
111 #define RTL8366RB_VLAN_MC_BASE(_x) (0x0020 + (_x) * 3)
112
113
114 #define RTL8366RB_PORT_LINK_STATUS_BASE 0x0014
115 #define RTL8366RB_PORT_STATUS_SPEED_MASK 0x0003
116 #define RTL8366RB_PORT_STATUS_DUPLEX_MASK 0x0004
117 #define RTL8366RB_PORT_STATUS_LINK_MASK 0x0010
118 #define RTL8366RB_PORT_STATUS_TXPAUSE_MASK 0x0020
119 #define RTL8366RB_PORT_STATUS_RXPAUSE_MASK 0x0040
120 #define RTL8366RB_PORT_STATUS_AN_MASK 0x0080
121
122
123 #define RTL8366RB_PORT_NUM_CPU 5
124 #define RTL8366RB_NUM_PORTS 6
125 #define RTL8366RB_NUM_VLANS 16
126 #define RTL8366RB_NUM_LEDGROUPS 4
127 #define RTL8366RB_NUM_VIDS 4096
128 #define RTL8366RB_PRIORITYMAX 7
129 #define RTL8366RB_FIDMAX 7
130
131
132 #define RTL8366RB_PORT_1 (1 << 0) /* In userspace port 0 */
133 #define RTL8366RB_PORT_2 (1 << 1) /* In userspace port 1 */
134 #define RTL8366RB_PORT_3 (1 << 2) /* In userspace port 2 */
135 #define RTL8366RB_PORT_4 (1 << 3) /* In userspace port 3 */
136 #define RTL8366RB_PORT_5 (1 << 4) /* In userspace port 4 */
137
138 #define RTL8366RB_PORT_CPU (1 << 5) /* CPU port */
139
140 #define RTL8366RB_PORT_ALL (RTL8366RB_PORT_1 | \
141 RTL8366RB_PORT_2 | \
142 RTL8366RB_PORT_3 | \
143 RTL8366RB_PORT_4 | \
144 RTL8366RB_PORT_5 | \
145 RTL8366RB_PORT_CPU)
146
147 #define RTL8366RB_PORT_ALL_BUT_CPU (RTL8366RB_PORT_1 | \
148 RTL8366RB_PORT_2 | \
149 RTL8366RB_PORT_3 | \
150 RTL8366RB_PORT_4 | \
151 RTL8366RB_PORT_5)
152
153 #define RTL8366RB_PORT_ALL_EXTERNAL (RTL8366RB_PORT_1 | \
154 RTL8366RB_PORT_2 | \
155 RTL8366RB_PORT_3 | \
156 RTL8366RB_PORT_4)
157
158 #define RTL8366RB_PORT_ALL_INTERNAL RTL8366RB_PORT_CPU
159
160 #define RTL8366RB_VLAN_VID_MASK 0xfff
161 #define RTL8366RB_VLAN_PRIORITY_SHIFT 12
162 #define RTL8366RB_VLAN_PRIORITY_MASK 0x7
163 #define RTL8366RB_VLAN_UNTAG_SHIFT 8
164 #define RTL8366RB_VLAN_UNTAG_MASK 0xff
165 #define RTL8366RB_VLAN_MEMBER_MASK 0xff
166 #define RTL8366RB_VLAN_FID_MASK 0x7
167
168
169 /* Port ingress bandwidth control */
170 #define RTL8366RB_IB_BASE 0x0200
171 #define RTL8366RB_IB_REG(pnum) (RTL8366RB_IB_BASE + pnum)
172 #define RTL8366RB_IB_BDTH_MASK 0x3fff
173 #define RTL8366RB_IB_PREIFG_OFFSET 14
174 #define RTL8366RB_IB_PREIFG_MASK (1 << RTL8366RB_IB_PREIFG_OFFSET)
175
176 /* Port egress bandwidth control */
177 #define RTL8366RB_EB_BASE 0x02d1
178 #define RTL8366RB_EB_REG(pnum) (RTL8366RB_EB_BASE + pnum)
179 #define RTL8366RB_EB_BDTH_MASK 0x3fff
180 #define RTL8366RB_EB_PREIFG_REG 0x02f8
181 #define RTL8366RB_EB_PREIFG_OFFSET 9
182 #define RTL8366RB_EB_PREIFG_MASK (1 << RTL8366RB_EB_PREIFG_OFFSET)
183
184 #define RTL8366RB_BDTH_SW_MAX 1048512
185 #define RTL8366RB_BDTH_UNIT 64
186 #define RTL8366RB_BDTH_REG_DEFAULT 16383
187
188 /* QOS */
189 #define RTL8366RB_QOS_BIT 15
190 #define RTL8366RB_QOS_MASK (1 << RTL8366RB_QOS_BIT)
191 /* Include/Exclude Preamble and IFG (20 bytes). 0:Exclude, 1:Include. */
192 #define RTL8366RB_QOS_DEFAULT_PREIFG 1
193
194
195 static struct rtl8366_mib_counter rtl8366rb_mib_counters[] = {
196 { 0, 0, 4, "IfInOctets" },
197 { 0, 4, 4, "EtherStatsOctets" },
198 { 0, 8, 2, "EtherStatsUnderSizePkts" },
199 { 0, 10, 2, "EtherFragments" },
200 { 0, 12, 2, "EtherStatsPkts64Octets" },
201 { 0, 14, 2, "EtherStatsPkts65to127Octets" },
202 { 0, 16, 2, "EtherStatsPkts128to255Octets" },
203 { 0, 18, 2, "EtherStatsPkts256to511Octets" },
204 { 0, 20, 2, "EtherStatsPkts512to1023Octets" },
205 { 0, 22, 2, "EtherStatsPkts1024to1518Octets" },
206 { 0, 24, 2, "EtherOversizeStats" },
207 { 0, 26, 2, "EtherStatsJabbers" },
208 { 0, 28, 2, "IfInUcastPkts" },
209 { 0, 30, 2, "EtherStatsMulticastPkts" },
210 { 0, 32, 2, "EtherStatsBroadcastPkts" },
211 { 0, 34, 2, "EtherStatsDropEvents" },
212 { 0, 36, 2, "Dot3StatsFCSErrors" },
213 { 0, 38, 2, "Dot3StatsSymbolErrors" },
214 { 0, 40, 2, "Dot3InPauseFrames" },
215 { 0, 42, 2, "Dot3ControlInUnknownOpcodes" },
216 { 0, 44, 4, "IfOutOctets" },
217 { 0, 48, 2, "Dot3StatsSingleCollisionFrames" },
218 { 0, 50, 2, "Dot3StatMultipleCollisionFrames" },
219 { 0, 52, 2, "Dot3sDeferredTransmissions" },
220 { 0, 54, 2, "Dot3StatsLateCollisions" },
221 { 0, 56, 2, "EtherStatsCollisions" },
222 { 0, 58, 2, "Dot3StatsExcessiveCollisions" },
223 { 0, 60, 2, "Dot3OutPauseFrames" },
224 { 0, 62, 2, "Dot1dBasePortDelayExceededDiscards" },
225 { 0, 64, 2, "Dot1dTpPortInDiscards" },
226 { 0, 66, 2, "IfOutUcastPkts" },
227 { 0, 68, 2, "IfOutMulticastPkts" },
228 { 0, 70, 2, "IfOutBroadcastPkts" },
229 };
230
231 #define REG_WR(_smi, _reg, _val) \
232 do { \
233 err = rtl8366_smi_write_reg(_smi, _reg, _val); \
234 if (err) \
235 return err; \
236 } while (0)
237
238 #define REG_RMW(_smi, _reg, _mask, _val) \
239 do { \
240 err = rtl8366_smi_rmwr(_smi, _reg, _mask, _val); \
241 if (err) \
242 return err; \
243 } while (0)
244
245 static int rtl8366rb_reset_chip(struct rtl8366_smi *smi)
246 {
247 int timeout = 10;
248 u32 data;
249
250 rtl8366_smi_write_reg(smi, RTL8366RB_RESET_CTRL_REG,
251 RTL8366RB_CHIP_CTRL_RESET_HW);
252 do {
253 msleep(1);
254 if (rtl8366_smi_read_reg(smi, RTL8366RB_RESET_CTRL_REG, &data))
255 return -EIO;
256
257 if (!(data & RTL8366RB_CHIP_CTRL_RESET_HW))
258 break;
259 } while (--timeout);
260
261 if (!timeout) {
262 printk("Timeout waiting for the switch to reset\n");
263 return -EIO;
264 }
265
266 return 0;
267 }
268
269 static int rtl8366rb_hw_init(struct rtl8366_smi *smi)
270 {
271 int err;
272
273 /* set maximum packet length to 1536 bytes */
274 REG_RMW(smi, RTL8366RB_SGCR, RTL8366RB_SGCR_MAX_LENGTH_MASK,
275 RTL8366RB_SGCR_MAX_LENGTH_1536);
276
277 /* enable learning for all ports */
278 REG_WR(smi, RTL8366RB_SSCR0, 0);
279
280 /* enable auto ageing for all ports */
281 REG_WR(smi, RTL8366RB_SSCR1, 0);
282
283 /*
284 * discard VLAN tagged packets if the port is not a member of
285 * the VLAN with which the packets is associated.
286 */
287 REG_WR(smi, RTL8366RB_VLAN_INGRESS_CTRL2_REG, RTL8366RB_PORT_ALL);
288
289 /* don't drop packets whose DA has not been learned */
290 REG_RMW(smi, RTL8366RB_SSCR2, RTL8366RB_SSCR2_DROP_UNKNOWN_DA, 0);
291
292 return 0;
293 }
294
295 static int rtl8366rb_read_phy_reg(struct rtl8366_smi *smi,
296 u32 phy_no, u32 page, u32 addr, u32 *data)
297 {
298 u32 reg;
299 int ret;
300
301 if (phy_no > RTL8366RB_PHY_NO_MAX)
302 return -EINVAL;
303
304 if (page > RTL8366RB_PHY_PAGE_MAX)
305 return -EINVAL;
306
307 if (addr > RTL8366RB_PHY_ADDR_MAX)
308 return -EINVAL;
309
310 ret = rtl8366_smi_write_reg(smi, RTL8366RB_PHY_ACCESS_CTRL_REG,
311 RTL8366RB_PHY_CTRL_READ);
312 if (ret)
313 return ret;
314
315 reg = 0x8000 | (1 << (phy_no + RTL8366RB_PHY_NO_OFFSET)) |
316 ((page << RTL8366RB_PHY_PAGE_OFFSET) & RTL8366RB_PHY_PAGE_MASK) |
317 (addr & RTL8366RB_PHY_REG_MASK);
318
319 ret = rtl8366_smi_write_reg(smi, reg, 0);
320 if (ret)
321 return ret;
322
323 ret = rtl8366_smi_read_reg(smi, RTL8366RB_PHY_ACCESS_DATA_REG, data);
324 if (ret)
325 return ret;
326
327 return 0;
328 }
329
330 static int rtl8366rb_write_phy_reg(struct rtl8366_smi *smi,
331 u32 phy_no, u32 page, u32 addr, u32 data)
332 {
333 u32 reg;
334 int ret;
335
336 if (phy_no > RTL8366RB_PHY_NO_MAX)
337 return -EINVAL;
338
339 if (page > RTL8366RB_PHY_PAGE_MAX)
340 return -EINVAL;
341
342 if (addr > RTL8366RB_PHY_ADDR_MAX)
343 return -EINVAL;
344
345 ret = rtl8366_smi_write_reg(smi, RTL8366RB_PHY_ACCESS_CTRL_REG,
346 RTL8366RB_PHY_CTRL_WRITE);
347 if (ret)
348 return ret;
349
350 reg = 0x8000 | (1 << (phy_no + RTL8366RB_PHY_NO_OFFSET)) |
351 ((page << RTL8366RB_PHY_PAGE_OFFSET) & RTL8366RB_PHY_PAGE_MASK) |
352 (addr & RTL8366RB_PHY_REG_MASK);
353
354 ret = rtl8366_smi_write_reg(smi, reg, data);
355 if (ret)
356 return ret;
357
358 return 0;
359 }
360
361 static int rtl8366rb_get_mib_counter(struct rtl8366_smi *smi, int counter,
362 int port, unsigned long long *val)
363 {
364 int i;
365 int err;
366 u32 addr, data;
367 u64 mibvalue;
368
369 if (port > RTL8366RB_NUM_PORTS || counter >= RTL8366RB_MIB_COUNT)
370 return -EINVAL;
371
372 addr = RTL8366RB_MIB_COUNTER_BASE +
373 RTL8366RB_MIB_COUNTER_PORT_OFFSET * (port) +
374 rtl8366rb_mib_counters[counter].offset;
375
376 /*
377 * Writing access counter address first
378 * then ASIC will prepare 64bits counter wait for being retrived
379 */
380 data = 0; /* writing data will be discard by ASIC */
381 err = rtl8366_smi_write_reg(smi, addr, data);
382 if (err)
383 return err;
384
385 /* read MIB control register */
386 err = rtl8366_smi_read_reg(smi, RTL8366RB_MIB_CTRL_REG, &data);
387 if (err)
388 return err;
389
390 if (data & RTL8366RB_MIB_CTRL_BUSY_MASK)
391 return -EBUSY;
392
393 if (data & RTL8366RB_MIB_CTRL_RESET_MASK)
394 return -EIO;
395
396 mibvalue = 0;
397 for (i = rtl8366rb_mib_counters[counter].length; i > 0; i--) {
398 err = rtl8366_smi_read_reg(smi, addr + (i - 1), &data);
399 if (err)
400 return err;
401
402 mibvalue = (mibvalue << 16) | (data & 0xFFFF);
403 }
404
405 *val = mibvalue;
406 return 0;
407 }
408
409 static int rtl8366rb_get_vlan_4k(struct rtl8366_smi *smi, u32 vid,
410 struct rtl8366_vlan_4k *vlan4k)
411 {
412 u32 data[3];
413 int err;
414 int i;
415
416 memset(vlan4k, '\0', sizeof(struct rtl8366_vlan_4k));
417
418 if (vid >= RTL8366RB_NUM_VIDS)
419 return -EINVAL;
420
421 /* write VID */
422 err = rtl8366_smi_write_reg(smi, RTL8366RB_VLAN_TABLE_WRITE_BASE,
423 vid & RTL8366RB_VLAN_VID_MASK);
424 if (err)
425 return err;
426
427 /* write table access control word */
428 err = rtl8366_smi_write_reg(smi, RTL8366RB_TABLE_ACCESS_CTRL_REG,
429 RTL8366RB_TABLE_VLAN_READ_CTRL);
430 if (err)
431 return err;
432
433 for (i = 0; i < 3; i++) {
434 err = rtl8366_smi_read_reg(smi,
435 RTL8366RB_VLAN_TABLE_READ_BASE + i,
436 &data[i]);
437 if (err)
438 return err;
439 }
440
441 vlan4k->vid = vid;
442 vlan4k->untag = (data[1] >> RTL8366RB_VLAN_UNTAG_SHIFT) &
443 RTL8366RB_VLAN_UNTAG_MASK;
444 vlan4k->member = data[1] & RTL8366RB_VLAN_MEMBER_MASK;
445 vlan4k->fid = data[2] & RTL8366RB_VLAN_FID_MASK;
446
447 return 0;
448 }
449
450 static int rtl8366rb_set_vlan_4k(struct rtl8366_smi *smi,
451 const struct rtl8366_vlan_4k *vlan4k)
452 {
453 u32 data[3];
454 int err;
455 int i;
456
457 if (vlan4k->vid >= RTL8366RB_NUM_VIDS ||
458 vlan4k->member > RTL8366RB_VLAN_MEMBER_MASK ||
459 vlan4k->untag > RTL8366RB_VLAN_UNTAG_MASK ||
460 vlan4k->fid > RTL8366RB_FIDMAX)
461 return -EINVAL;
462
463 data[0] = vlan4k->vid & RTL8366RB_VLAN_VID_MASK;
464 data[1] = (vlan4k->member & RTL8366RB_VLAN_MEMBER_MASK) |
465 ((vlan4k->untag & RTL8366RB_VLAN_UNTAG_MASK) <<
466 RTL8366RB_VLAN_UNTAG_SHIFT);
467 data[2] = vlan4k->fid & RTL8366RB_VLAN_FID_MASK;
468
469 for (i = 0; i < 3; i++) {
470 err = rtl8366_smi_write_reg(smi,
471 RTL8366RB_VLAN_TABLE_WRITE_BASE + i,
472 data[i]);
473 if (err)
474 return err;
475 }
476
477 /* write table access control word */
478 err = rtl8366_smi_write_reg(smi, RTL8366RB_TABLE_ACCESS_CTRL_REG,
479 RTL8366RB_TABLE_VLAN_WRITE_CTRL);
480
481 return err;
482 }
483
484 static int rtl8366rb_get_vlan_mc(struct rtl8366_smi *smi, u32 index,
485 struct rtl8366_vlan_mc *vlanmc)
486 {
487 u32 data[3];
488 int err;
489 int i;
490
491 memset(vlanmc, '\0', sizeof(struct rtl8366_vlan_mc));
492
493 if (index >= RTL8366RB_NUM_VLANS)
494 return -EINVAL;
495
496 for (i = 0; i < 3; i++) {
497 err = rtl8366_smi_read_reg(smi,
498 RTL8366RB_VLAN_MC_BASE(index) + i,
499 &data[i]);
500 if (err)
501 return err;
502 }
503
504 vlanmc->vid = data[0] & RTL8366RB_VLAN_VID_MASK;
505 vlanmc->priority = (data[0] >> RTL8366RB_VLAN_PRIORITY_SHIFT) &
506 RTL8366RB_VLAN_PRIORITY_MASK;
507 vlanmc->untag = (data[1] >> RTL8366RB_VLAN_UNTAG_SHIFT) &
508 RTL8366RB_VLAN_UNTAG_MASK;
509 vlanmc->member = data[1] & RTL8366RB_VLAN_MEMBER_MASK;
510 vlanmc->fid = data[2] & RTL8366RB_VLAN_FID_MASK;
511
512 return 0;
513 }
514
515 static int rtl8366rb_set_vlan_mc(struct rtl8366_smi *smi, u32 index,
516 const struct rtl8366_vlan_mc *vlanmc)
517 {
518 u32 data[3];
519 int err;
520 int i;
521
522 if (index >= RTL8366RB_NUM_VLANS ||
523 vlanmc->vid >= RTL8366RB_NUM_VIDS ||
524 vlanmc->priority > RTL8366RB_PRIORITYMAX ||
525 vlanmc->member > RTL8366RB_VLAN_MEMBER_MASK ||
526 vlanmc->untag > RTL8366RB_VLAN_UNTAG_MASK ||
527 vlanmc->fid > RTL8366RB_FIDMAX)
528 return -EINVAL;
529
530 data[0] = (vlanmc->vid & RTL8366RB_VLAN_VID_MASK) |
531 ((vlanmc->priority & RTL8366RB_VLAN_PRIORITY_MASK) <<
532 RTL8366RB_VLAN_PRIORITY_SHIFT);
533 data[1] = (vlanmc->member & RTL8366RB_VLAN_MEMBER_MASK) |
534 ((vlanmc->untag & RTL8366RB_VLAN_UNTAG_MASK) <<
535 RTL8366RB_VLAN_UNTAG_SHIFT);
536 data[2] = vlanmc->fid & RTL8366RB_VLAN_FID_MASK;
537
538 for (i = 0; i < 3; i++) {
539 err = rtl8366_smi_write_reg(smi,
540 RTL8366RB_VLAN_MC_BASE(index) + i,
541 data[i]);
542 if (err)
543 return err;
544 }
545
546 return 0;
547 }
548
549 static int rtl8366rb_get_mc_index(struct rtl8366_smi *smi, int port, int *val)
550 {
551 u32 data;
552 int err;
553
554 if (port >= RTL8366RB_NUM_PORTS)
555 return -EINVAL;
556
557 err = rtl8366_smi_read_reg(smi, RTL8366RB_PORT_VLAN_CTRL_REG(port),
558 &data);
559 if (err)
560 return err;
561
562 *val = (data >> RTL8366RB_PORT_VLAN_CTRL_SHIFT(port)) &
563 RTL8366RB_PORT_VLAN_CTRL_MASK;
564
565 return 0;
566
567 }
568
569 static int rtl8366rb_set_mc_index(struct rtl8366_smi *smi, int port, int index)
570 {
571 if (port >= RTL8366RB_NUM_PORTS || index >= RTL8366RB_NUM_VLANS)
572 return -EINVAL;
573
574 return rtl8366_smi_rmwr(smi, RTL8366RB_PORT_VLAN_CTRL_REG(port),
575 RTL8366RB_PORT_VLAN_CTRL_MASK <<
576 RTL8366RB_PORT_VLAN_CTRL_SHIFT(port),
577 (index & RTL8366RB_PORT_VLAN_CTRL_MASK) <<
578 RTL8366RB_PORT_VLAN_CTRL_SHIFT(port));
579 }
580
581 static int rtl8366rb_is_vlan_valid(struct rtl8366_smi *smi, unsigned vlan)
582 {
583 unsigned max = RTL8366RB_NUM_VLANS;
584
585 if (smi->vlan4k_enabled)
586 max = RTL8366RB_NUM_VIDS - 1;
587
588 if (vlan == 0 || vlan >= max)
589 return 0;
590
591 return 1;
592 }
593
594 static int rtl8366rb_enable_vlan(struct rtl8366_smi *smi, int enable)
595 {
596 return rtl8366_smi_rmwr(smi, RTL8366RB_SGCR, RTL8366RB_SGCR_EN_VLAN,
597 (enable) ? RTL8366RB_SGCR_EN_VLAN : 0);
598 }
599
600 static int rtl8366rb_enable_vlan4k(struct rtl8366_smi *smi, int enable)
601 {
602 return rtl8366_smi_rmwr(smi, RTL8366RB_SGCR,
603 RTL8366RB_SGCR_EN_VLAN_4KTB,
604 (enable) ? RTL8366RB_SGCR_EN_VLAN_4KTB : 0);
605 }
606
607 static int rtl8366rb_enable_port(struct rtl8366_smi *smi, int port, int enable)
608 {
609 return rtl8366_smi_rmwr(smi, RTL8366RB_PECR, (1 << port),
610 (enable) ? 0 : (1 << port));
611 }
612
613 static int rtl8366rb_sw_reset_mibs(struct switch_dev *dev,
614 const struct switch_attr *attr,
615 struct switch_val *val)
616 {
617 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
618
619 return rtl8366_smi_rmwr(smi, RTL8366RB_MIB_CTRL_REG, 0,
620 RTL8366RB_MIB_CTRL_GLOBAL_RESET);
621 }
622
623 static int rtl8366rb_sw_get_blinkrate(struct switch_dev *dev,
624 const struct switch_attr *attr,
625 struct switch_val *val)
626 {
627 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
628 u32 data;
629
630 rtl8366_smi_read_reg(smi, RTL8366RB_LED_BLINKRATE_REG, &data);
631
632 val->value.i = (data & (RTL8366RB_LED_BLINKRATE_MASK));
633
634 return 0;
635 }
636
637 static int rtl8366rb_sw_set_blinkrate(struct switch_dev *dev,
638 const struct switch_attr *attr,
639 struct switch_val *val)
640 {
641 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
642
643 if (val->value.i >= 6)
644 return -EINVAL;
645
646 return rtl8366_smi_rmwr(smi, RTL8366RB_LED_BLINKRATE_REG,
647 RTL8366RB_LED_BLINKRATE_MASK,
648 val->value.i);
649 }
650
651 static int rtl8366rb_sw_get_learning_enable(struct switch_dev *dev,
652 const struct switch_attr *attr,
653 struct switch_val *val)
654 {
655 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
656 u32 data;
657
658 rtl8366_smi_read_reg(smi, RTL8366RB_SSCR0, &data);
659 val->value.i = !data;
660
661 return 0;
662 }
663
664
665 static int rtl8366rb_sw_set_learning_enable(struct switch_dev *dev,
666 const struct switch_attr *attr,
667 struct switch_val *val)
668 {
669 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
670 u32 portmask = 0;
671 int err = 0;
672
673 if (!val->value.i)
674 portmask = RTL8366RB_PORT_ALL;
675
676 /* set learning for all ports */
677 REG_WR(smi, RTL8366RB_SSCR0, portmask);
678
679 /* set auto ageing for all ports */
680 REG_WR(smi, RTL8366RB_SSCR1, portmask);
681
682 return 0;
683 }
684
685
686 static const char *rtl8366rb_speed_str(unsigned speed)
687 {
688 switch (speed) {
689 case 0:
690 return "10baseT";
691 case 1:
692 return "100baseT";
693 case 2:
694 return "1000baseT";
695 }
696
697 return "unknown";
698 }
699
700 static int rtl8366rb_sw_get_port_link(struct switch_dev *dev,
701 const struct switch_attr *attr,
702 struct switch_val *val)
703 {
704 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
705 u32 len = 0, data = 0;
706
707 if (val->port_vlan >= RTL8366RB_NUM_PORTS)
708 return -EINVAL;
709
710 memset(smi->buf, '\0', sizeof(smi->buf));
711 rtl8366_smi_read_reg(smi, RTL8366RB_PORT_LINK_STATUS_BASE +
712 (val->port_vlan / 2), &data);
713
714 if (val->port_vlan % 2)
715 data = data >> 8;
716
717 if (data & RTL8366RB_PORT_STATUS_LINK_MASK) {
718 len = snprintf(smi->buf, sizeof(smi->buf),
719 "port:%d link:up speed:%s %s-duplex %s%s%s",
720 val->port_vlan,
721 rtl8366rb_speed_str(data &
722 RTL8366RB_PORT_STATUS_SPEED_MASK),
723 (data & RTL8366RB_PORT_STATUS_DUPLEX_MASK) ?
724 "full" : "half",
725 (data & RTL8366RB_PORT_STATUS_TXPAUSE_MASK) ?
726 "tx-pause ": "",
727 (data & RTL8366RB_PORT_STATUS_RXPAUSE_MASK) ?
728 "rx-pause " : "",
729 (data & RTL8366RB_PORT_STATUS_AN_MASK) ?
730 "nway ": "");
731 } else {
732 len = snprintf(smi->buf, sizeof(smi->buf), "port:%d link: down",
733 val->port_vlan);
734 }
735
736 val->value.s = smi->buf;
737 val->len = len;
738
739 return 0;
740 }
741
742 static int rtl8366rb_sw_set_port_led(struct switch_dev *dev,
743 const struct switch_attr *attr,
744 struct switch_val *val)
745 {
746 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
747 u32 data;
748 u32 mask;
749 u32 reg;
750
751 if (val->port_vlan >= RTL8366RB_NUM_PORTS)
752 return -EINVAL;
753
754 if (val->port_vlan == RTL8366RB_PORT_NUM_CPU) {
755 reg = RTL8366RB_LED_BLINKRATE_REG;
756 mask = 0xF << 4;
757 data = val->value.i << 4;
758 } else {
759 reg = RTL8366RB_LED_CTRL_REG;
760 mask = 0xF << (val->port_vlan * 4),
761 data = val->value.i << (val->port_vlan * 4);
762 }
763
764 return rtl8366_smi_rmwr(smi, reg, mask, data);
765 }
766
767 static int rtl8366rb_sw_get_port_led(struct switch_dev *dev,
768 const struct switch_attr *attr,
769 struct switch_val *val)
770 {
771 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
772 u32 data = 0;
773
774 if (val->port_vlan >= RTL8366RB_NUM_LEDGROUPS)
775 return -EINVAL;
776
777 rtl8366_smi_read_reg(smi, RTL8366RB_LED_CTRL_REG, &data);
778 val->value.i = (data >> (val->port_vlan * 4)) & 0x000F;
779
780 return 0;
781 }
782
783 static int rtl8366rb_sw_set_port_disable(struct switch_dev *dev,
784 const struct switch_attr *attr,
785 struct switch_val *val)
786 {
787 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
788 u32 mask, data;
789
790 if (val->port_vlan >= RTL8366RB_NUM_PORTS)
791 return -EINVAL;
792
793 mask = 1 << val->port_vlan ;
794 if (val->value.i)
795 data = mask;
796 else
797 data = 0;
798
799 return rtl8366_smi_rmwr(smi, RTL8366RB_PECR, mask, data);
800 }
801
802 static int rtl8366rb_sw_get_port_disable(struct switch_dev *dev,
803 const struct switch_attr *attr,
804 struct switch_val *val)
805 {
806 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
807 u32 data;
808
809 if (val->port_vlan >= RTL8366RB_NUM_PORTS)
810 return -EINVAL;
811
812 rtl8366_smi_read_reg(smi, RTL8366RB_PECR, &data);
813 if (data & (1 << val->port_vlan))
814 val->value.i = 1;
815 else
816 val->value.i = 0;
817
818 return 0;
819 }
820
821 static int rtl8366rb_sw_set_port_rate_in(struct switch_dev *dev,
822 const struct switch_attr *attr,
823 struct switch_val *val)
824 {
825 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
826
827 if (val->port_vlan >= RTL8366RB_NUM_PORTS)
828 return -EINVAL;
829
830 if (val->value.i > 0 && val->value.i < RTL8366RB_BDTH_SW_MAX)
831 val->value.i = (val->value.i - 1) / RTL8366RB_BDTH_UNIT;
832 else
833 val->value.i = RTL8366RB_BDTH_REG_DEFAULT;
834
835 return rtl8366_smi_rmwr(smi, RTL8366RB_IB_REG(val->port_vlan),
836 RTL8366RB_IB_BDTH_MASK | RTL8366RB_IB_PREIFG_MASK,
837 val->value.i |
838 (RTL8366RB_QOS_DEFAULT_PREIFG << RTL8366RB_IB_PREIFG_OFFSET));
839
840 }
841
842 static int rtl8366rb_sw_get_port_rate_in(struct switch_dev *dev,
843 const struct switch_attr *attr,
844 struct switch_val *val)
845 {
846 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
847 u32 data;
848
849 if (val->port_vlan >= RTL8366RB_NUM_PORTS)
850 return -EINVAL;
851
852 rtl8366_smi_read_reg(smi, RTL8366RB_IB_REG(val->port_vlan), &data);
853 data &= RTL8366RB_IB_BDTH_MASK;
854 if (data < RTL8366RB_IB_BDTH_MASK)
855 data += 1;
856
857 val->value.i = (int)data * RTL8366RB_BDTH_UNIT;
858
859 return 0;
860 }
861
862 static int rtl8366rb_sw_set_port_rate_out(struct switch_dev *dev,
863 const struct switch_attr *attr,
864 struct switch_val *val)
865 {
866 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
867
868 if (val->port_vlan >= RTL8366RB_NUM_PORTS)
869 return -EINVAL;
870
871 rtl8366_smi_rmwr(smi, RTL8366RB_EB_PREIFG_REG,
872 RTL8366RB_EB_PREIFG_MASK,
873 (RTL8366RB_QOS_DEFAULT_PREIFG << RTL8366RB_EB_PREIFG_OFFSET));
874
875 if (val->value.i > 0 && val->value.i < RTL8366RB_BDTH_SW_MAX)
876 val->value.i = (val->value.i - 1) / RTL8366RB_BDTH_UNIT;
877 else
878 val->value.i = RTL8366RB_BDTH_REG_DEFAULT;
879
880 return rtl8366_smi_rmwr(smi, RTL8366RB_EB_REG(val->port_vlan),
881 RTL8366RB_EB_BDTH_MASK, val->value.i );
882
883 }
884
885 static int rtl8366rb_sw_get_port_rate_out(struct switch_dev *dev,
886 const struct switch_attr *attr,
887 struct switch_val *val)
888 {
889 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
890 u32 data;
891
892 if (val->port_vlan >= RTL8366RB_NUM_PORTS)
893 return -EINVAL;
894
895 rtl8366_smi_read_reg(smi, RTL8366RB_EB_REG(val->port_vlan), &data);
896 data &= RTL8366RB_EB_BDTH_MASK;
897 if (data < RTL8366RB_EB_BDTH_MASK)
898 data += 1;
899
900 val->value.i = (int)data * RTL8366RB_BDTH_UNIT;
901
902 return 0;
903 }
904
905 static int rtl8366rb_sw_set_qos_enable(struct switch_dev *dev,
906 const struct switch_attr *attr,
907 struct switch_val *val)
908 {
909 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
910 u32 data;
911
912 if (val->value.i)
913 data = RTL8366RB_QOS_MASK;
914 else
915 data = 0;
916
917 return rtl8366_smi_rmwr(smi, RTL8366RB_SGCR, RTL8366RB_QOS_MASK, data);
918 }
919
920 static int rtl8366rb_sw_get_qos_enable(struct switch_dev *dev,
921 const struct switch_attr *attr,
922 struct switch_val *val)
923 {
924 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
925 u32 data;
926
927 rtl8366_smi_read_reg(smi, RTL8366RB_SGCR, &data);
928 if (data & RTL8366RB_QOS_MASK)
929 val->value.i = 1;
930 else
931 val->value.i = 0;
932
933 return 0;
934 }
935
936 static int rtl8366rb_sw_reset_port_mibs(struct switch_dev *dev,
937 const struct switch_attr *attr,
938 struct switch_val *val)
939 {
940 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
941
942 if (val->port_vlan >= RTL8366RB_NUM_PORTS)
943 return -EINVAL;
944
945 return rtl8366_smi_rmwr(smi, RTL8366RB_MIB_CTRL_REG, 0,
946 RTL8366RB_MIB_CTRL_PORT_RESET(val->port_vlan));
947 }
948
949 static int rtl8366rb_sw_reset_switch(struct switch_dev *dev)
950 {
951 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
952 int err;
953
954 err = rtl8366rb_reset_chip(smi);
955 if (err)
956 return err;
957
958 err = rtl8366rb_hw_init(smi);
959 if (err)
960 return err;
961
962 err = rtl8366_reset_vlan(smi);
963 if (err)
964 return err;
965
966 err = rtl8366_enable_vlan(smi, 1);
967 if (err)
968 return err;
969
970 return rtl8366_enable_all_ports(smi, 1);
971 }
972
973 static struct switch_attr rtl8366rb_globals[] = {
974 {
975 .type = SWITCH_TYPE_INT,
976 .name = "enable_learning",
977 .description = "Enable learning, enable aging",
978 .set = rtl8366rb_sw_set_learning_enable,
979 .get = rtl8366rb_sw_get_learning_enable,
980 .max = 1
981 }, {
982 .type = SWITCH_TYPE_INT,
983 .name = "enable_vlan",
984 .description = "Enable VLAN mode",
985 .set = rtl8366_sw_set_vlan_enable,
986 .get = rtl8366_sw_get_vlan_enable,
987 .max = 1,
988 .ofs = 1
989 }, {
990 .type = SWITCH_TYPE_INT,
991 .name = "enable_vlan4k",
992 .description = "Enable VLAN 4K mode",
993 .set = rtl8366_sw_set_vlan_enable,
994 .get = rtl8366_sw_get_vlan_enable,
995 .max = 1,
996 .ofs = 2
997 }, {
998 .type = SWITCH_TYPE_NOVAL,
999 .name = "reset_mibs",
1000 .description = "Reset all MIB counters",
1001 .set = rtl8366rb_sw_reset_mibs,
1002 }, {
1003 .type = SWITCH_TYPE_INT,
1004 .name = "blinkrate",
1005 .description = "Get/Set LED blinking rate (0 = 43ms, 1 = 84ms,"
1006 " 2 = 120ms, 3 = 170ms, 4 = 340ms, 5 = 670ms)",
1007 .set = rtl8366rb_sw_set_blinkrate,
1008 .get = rtl8366rb_sw_get_blinkrate,
1009 .max = 5
1010 }, {
1011 .type = SWITCH_TYPE_INT,
1012 .name = "enable_qos",
1013 .description = "Enable QOS",
1014 .set = rtl8366rb_sw_set_qos_enable,
1015 .get = rtl8366rb_sw_get_qos_enable,
1016 .max = 1
1017 },
1018 };
1019
1020 static struct switch_attr rtl8366rb_port[] = {
1021 {
1022 .type = SWITCH_TYPE_STRING,
1023 .name = "link",
1024 .description = "Get port link information",
1025 .max = 1,
1026 .set = NULL,
1027 .get = rtl8366rb_sw_get_port_link,
1028 }, {
1029 .type = SWITCH_TYPE_NOVAL,
1030 .name = "reset_mib",
1031 .description = "Reset single port MIB counters",
1032 .set = rtl8366rb_sw_reset_port_mibs,
1033 }, {
1034 .type = SWITCH_TYPE_STRING,
1035 .name = "mib",
1036 .description = "Get MIB counters for port",
1037 .max = 33,
1038 .set = NULL,
1039 .get = rtl8366_sw_get_port_mib,
1040 }, {
1041 .type = SWITCH_TYPE_INT,
1042 .name = "led",
1043 .description = "Get/Set port group (0 - 3) led mode (0 - 15)",
1044 .max = 15,
1045 .set = rtl8366rb_sw_set_port_led,
1046 .get = rtl8366rb_sw_get_port_led,
1047 }, {
1048 .type = SWITCH_TYPE_INT,
1049 .name = "disable",
1050 .description = "Get/Set port state (enabled or disabled)",
1051 .max = 1,
1052 .set = rtl8366rb_sw_set_port_disable,
1053 .get = rtl8366rb_sw_get_port_disable,
1054 }, {
1055 .type = SWITCH_TYPE_INT,
1056 .name = "rate_in",
1057 .description = "Get/Set port ingress (incoming) bandwidth limit in kbps",
1058 .max = RTL8366RB_BDTH_SW_MAX,
1059 .set = rtl8366rb_sw_set_port_rate_in,
1060 .get = rtl8366rb_sw_get_port_rate_in,
1061 }, {
1062 .type = SWITCH_TYPE_INT,
1063 .name = "rate_out",
1064 .description = "Get/Set port egress (outgoing) bandwidth limit in kbps",
1065 .max = RTL8366RB_BDTH_SW_MAX,
1066 .set = rtl8366rb_sw_set_port_rate_out,
1067 .get = rtl8366rb_sw_get_port_rate_out,
1068 },
1069 };
1070
1071 static struct switch_attr rtl8366rb_vlan[] = {
1072 {
1073 .type = SWITCH_TYPE_STRING,
1074 .name = "info",
1075 .description = "Get vlan information",
1076 .max = 1,
1077 .set = NULL,
1078 .get = rtl8366_sw_get_vlan_info,
1079 }, {
1080 .type = SWITCH_TYPE_INT,
1081 .name = "fid",
1082 .description = "Get/Set vlan FID",
1083 .max = RTL8366RB_FIDMAX,
1084 .set = rtl8366_sw_set_vlan_fid,
1085 .get = rtl8366_sw_get_vlan_fid,
1086 },
1087 };
1088
1089 static const struct switch_dev_ops rtl8366_ops = {
1090 .attr_global = {
1091 .attr = rtl8366rb_globals,
1092 .n_attr = ARRAY_SIZE(rtl8366rb_globals),
1093 },
1094 .attr_port = {
1095 .attr = rtl8366rb_port,
1096 .n_attr = ARRAY_SIZE(rtl8366rb_port),
1097 },
1098 .attr_vlan = {
1099 .attr = rtl8366rb_vlan,
1100 .n_attr = ARRAY_SIZE(rtl8366rb_vlan),
1101 },
1102
1103 .get_vlan_ports = rtl8366_sw_get_vlan_ports,
1104 .set_vlan_ports = rtl8366_sw_set_vlan_ports,
1105 .get_port_pvid = rtl8366_sw_get_port_pvid,
1106 .set_port_pvid = rtl8366_sw_set_port_pvid,
1107 .reset_switch = rtl8366rb_sw_reset_switch,
1108 };
1109
1110 static int rtl8366rb_switch_init(struct rtl8366_smi *smi)
1111 {
1112 struct switch_dev *dev = &smi->sw_dev;
1113 int err;
1114
1115 dev->name = "RTL8366RB";
1116 dev->cpu_port = RTL8366RB_PORT_NUM_CPU;
1117 dev->ports = RTL8366RB_NUM_PORTS;
1118 dev->vlans = RTL8366RB_NUM_VIDS;
1119 dev->ops = &rtl8366_ops;
1120 dev->devname = dev_name(smi->parent);
1121
1122 err = register_switch(dev, NULL);
1123 if (err)
1124 dev_err(smi->parent, "switch registration failed\n");
1125
1126 return err;
1127 }
1128
1129 static void rtl8366rb_switch_cleanup(struct rtl8366_smi *smi)
1130 {
1131 unregister_switch(&smi->sw_dev);
1132 }
1133
1134 static int rtl8366rb_mii_read(struct mii_bus *bus, int addr, int reg)
1135 {
1136 struct rtl8366_smi *smi = bus->priv;
1137 u32 val = 0;
1138 int err;
1139
1140 err = rtl8366rb_read_phy_reg(smi, addr, 0, reg, &val);
1141 if (err)
1142 return 0xffff;
1143
1144 return val;
1145 }
1146
1147 static int rtl8366rb_mii_write(struct mii_bus *bus, int addr, int reg, u16 val)
1148 {
1149 struct rtl8366_smi *smi = bus->priv;
1150 u32 t;
1151 int err;
1152
1153 err = rtl8366rb_write_phy_reg(smi, addr, 0, reg, val);
1154 /* flush write */
1155 (void) rtl8366rb_read_phy_reg(smi, addr, 0, reg, &t);
1156
1157 return err;
1158 }
1159
1160 static int rtl8366rb_mii_bus_match(struct mii_bus *bus)
1161 {
1162 return (bus->read == rtl8366rb_mii_read &&
1163 bus->write == rtl8366rb_mii_write);
1164 }
1165
1166 static int rtl8366rb_setup(struct rtl8366_smi *smi)
1167 {
1168 int ret;
1169
1170 ret = rtl8366rb_reset_chip(smi);
1171 if (ret)
1172 return ret;
1173
1174 ret = rtl8366rb_hw_init(smi);
1175 return ret;
1176 }
1177
1178 static int rtl8366rb_detect(struct rtl8366_smi *smi)
1179 {
1180 u32 chip_id = 0;
1181 u32 chip_ver = 0;
1182 int ret;
1183
1184 ret = rtl8366_smi_read_reg(smi, RTL8366RB_CHIP_ID_REG, &chip_id);
1185 if (ret) {
1186 dev_err(smi->parent, "unable to read chip id\n");
1187 return ret;
1188 }
1189
1190 switch (chip_id) {
1191 case RTL8366RB_CHIP_ID_8366:
1192 break;
1193 default:
1194 dev_err(smi->parent, "unknown chip id (%04x)\n", chip_id);
1195 return -ENODEV;
1196 }
1197
1198 ret = rtl8366_smi_read_reg(smi, RTL8366RB_CHIP_VERSION_CTRL_REG,
1199 &chip_ver);
1200 if (ret) {
1201 dev_err(smi->parent, "unable to read chip version\n");
1202 return ret;
1203 }
1204
1205 dev_info(smi->parent, "RTL%04x ver. %u chip found\n",
1206 chip_id, chip_ver & RTL8366RB_CHIP_VERSION_MASK);
1207
1208 return 0;
1209 }
1210
1211 static struct rtl8366_smi_ops rtl8366rb_smi_ops = {
1212 .detect = rtl8366rb_detect,
1213 .setup = rtl8366rb_setup,
1214
1215 .mii_read = rtl8366rb_mii_read,
1216 .mii_write = rtl8366rb_mii_write,
1217
1218 .get_vlan_mc = rtl8366rb_get_vlan_mc,
1219 .set_vlan_mc = rtl8366rb_set_vlan_mc,
1220 .get_vlan_4k = rtl8366rb_get_vlan_4k,
1221 .set_vlan_4k = rtl8366rb_set_vlan_4k,
1222 .get_mc_index = rtl8366rb_get_mc_index,
1223 .set_mc_index = rtl8366rb_set_mc_index,
1224 .get_mib_counter = rtl8366rb_get_mib_counter,
1225 .is_vlan_valid = rtl8366rb_is_vlan_valid,
1226 .enable_vlan = rtl8366rb_enable_vlan,
1227 .enable_vlan4k = rtl8366rb_enable_vlan4k,
1228 .enable_port = rtl8366rb_enable_port,
1229 };
1230
1231 static int __devinit rtl8366rb_probe(struct platform_device *pdev)
1232 {
1233 static int rtl8366_smi_version_printed;
1234 struct rtl8366rb_platform_data *pdata;
1235 struct rtl8366_smi *smi;
1236 int err;
1237
1238 if (!rtl8366_smi_version_printed++)
1239 printk(KERN_NOTICE RTL8366RB_DRIVER_DESC
1240 " version " RTL8366RB_DRIVER_VER"\n");
1241
1242 pdata = pdev->dev.platform_data;
1243 if (!pdata) {
1244 dev_err(&pdev->dev, "no platform data specified\n");
1245 err = -EINVAL;
1246 goto err_out;
1247 }
1248
1249 smi = rtl8366_smi_alloc(&pdev->dev);
1250 if (!smi) {
1251 err = -ENOMEM;
1252 goto err_out;
1253 }
1254
1255 smi->gpio_sda = pdata->gpio_sda;
1256 smi->gpio_sck = pdata->gpio_sck;
1257 smi->ops = &rtl8366rb_smi_ops;
1258 smi->cpu_port = RTL8366RB_PORT_NUM_CPU;
1259 smi->num_ports = RTL8366RB_NUM_PORTS;
1260 smi->num_vlan_mc = RTL8366RB_NUM_VLANS;
1261 smi->mib_counters = rtl8366rb_mib_counters;
1262 smi->num_mib_counters = ARRAY_SIZE(rtl8366rb_mib_counters);
1263
1264 err = rtl8366_smi_init(smi);
1265 if (err)
1266 goto err_free_smi;
1267
1268 platform_set_drvdata(pdev, smi);
1269
1270 err = rtl8366rb_switch_init(smi);
1271 if (err)
1272 goto err_clear_drvdata;
1273
1274 return 0;
1275
1276 err_clear_drvdata:
1277 platform_set_drvdata(pdev, NULL);
1278 rtl8366_smi_cleanup(smi);
1279 err_free_smi:
1280 kfree(smi);
1281 err_out:
1282 return err;
1283 }
1284
1285 static int rtl8366rb_phy_config_init(struct phy_device *phydev)
1286 {
1287 if (!rtl8366rb_mii_bus_match(phydev->bus))
1288 return -EINVAL;
1289
1290 return 0;
1291 }
1292
1293 static int rtl8366rb_phy_config_aneg(struct phy_device *phydev)
1294 {
1295 /* phy 4 might be connected to a second mac, allow aneg config */
1296 if (phydev->addr == RTL8366RB_PHY_WAN)
1297 return genphy_config_aneg(phydev);
1298
1299 return 0;
1300 }
1301
1302 static struct phy_driver rtl8366rb_phy_driver = {
1303 .phy_id = 0x001cc960,
1304 .name = "Realtek RTL8366RB",
1305 .phy_id_mask = 0x1ffffff0,
1306 .features = PHY_GBIT_FEATURES,
1307 .config_aneg = rtl8366rb_phy_config_aneg,
1308 .config_init = rtl8366rb_phy_config_init,
1309 .read_status = genphy_read_status,
1310 .driver = {
1311 .owner = THIS_MODULE,
1312 },
1313 };
1314
1315 static int __devexit rtl8366rb_remove(struct platform_device *pdev)
1316 {
1317 struct rtl8366_smi *smi = platform_get_drvdata(pdev);
1318
1319 if (smi) {
1320 rtl8366rb_switch_cleanup(smi);
1321 platform_set_drvdata(pdev, NULL);
1322 rtl8366_smi_cleanup(smi);
1323 kfree(smi);
1324 }
1325
1326 return 0;
1327 }
1328
1329 static struct platform_driver rtl8366rb_driver = {
1330 .driver = {
1331 .name = RTL8366RB_DRIVER_NAME,
1332 .owner = THIS_MODULE,
1333 },
1334 .probe = rtl8366rb_probe,
1335 .remove = __devexit_p(rtl8366rb_remove),
1336 };
1337
1338 static int __init rtl8366rb_module_init(void)
1339 {
1340 int ret;
1341 ret = platform_driver_register(&rtl8366rb_driver);
1342 if (ret)
1343 return ret;
1344
1345 ret = phy_driver_register(&rtl8366rb_phy_driver);
1346 if (ret)
1347 goto err_platform_unregister;
1348
1349 return 0;
1350
1351 err_platform_unregister:
1352 platform_driver_unregister(&rtl8366rb_driver);
1353 return ret;
1354 }
1355 module_init(rtl8366rb_module_init);
1356
1357 static void __exit rtl8366rb_module_exit(void)
1358 {
1359 phy_driver_unregister(&rtl8366rb_phy_driver);
1360 platform_driver_unregister(&rtl8366rb_driver);
1361 }
1362 module_exit(rtl8366rb_module_exit);
1363
1364 MODULE_DESCRIPTION(RTL8366RB_DRIVER_DESC);
1365 MODULE_VERSION(RTL8366RB_DRIVER_VER);
1366 MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>");
1367 MODULE_AUTHOR("Antti Seppälä <a.seppala@gmail.com>");
1368 MODULE_AUTHOR("Roman Yeryomin <roman@advem.lv>");
1369 MODULE_LICENSE("GPL v2");
1370 MODULE_ALIAS("platform:" RTL8366RB_DRIVER_NAME);
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