merge rtl8366 switch fix from r22545
[10.03/openwrt.git] / target / linux / generic-2.6 / files / drivers / net / phy / rtl8366rb.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/rtl8366rb.h>
20
21 #include "rtl8366_smi.h"
22
23 #define RTL8366RB_DRIVER_DESC   "Realtek RTL8366RB ethernet switch driver"
24 #define RTL8366RB_DRIVER_VER    "0.2.2"
25
26 #define RTL8366RB_PHY_NO_MAX    4
27 #define RTL8366RB_PHY_PAGE_MAX  7
28 #define RTL8366RB_PHY_ADDR_MAX  31
29
30 /* Switch Global Configuration register */
31 #define RTL8366RB_SGCR                          0x0000
32 #define RTL8366RB_SGCR_EN_BC_STORM_CTRL         BIT(0)
33 #define RTL8366RB_SGCR_MAX_LENGTH(_x)           (_x << 4)
34 #define RTL8366RB_SGCR_MAX_LENGTH_MASK          RTL8366RB_SGCR_MAX_LENGTH(0x3)
35 #define RTL8366RB_SGCR_MAX_LENGTH_1522          RTL8366RB_SGCR_MAX_LENGTH(0x0)
36 #define RTL8366RB_SGCR_MAX_LENGTH_1536          RTL8366RB_SGCR_MAX_LENGTH(0x1)
37 #define RTL8366RB_SGCR_MAX_LENGTH_1552          RTL8366RB_SGCR_MAX_LENGTH(0x2)
38 #define RTL8366RB_SGCR_MAX_LENGTH_9216          RTL8366RB_SGCR_MAX_LENGTH(0x3)
39 #define RTL8366RB_SGCR_EN_VLAN                  BIT(13)
40 #define RTL8366RB_SGCR_EN_VLAN_4KTB             BIT(14)
41
42 /* Port Enable Control register */
43 #define RTL8366RB_PECR                          0x0001
44
45 /* Switch Security Control registers */
46 #define RTL8366RB_SSCR0                         0x0002
47 #define RTL8366RB_SSCR1                         0x0003
48 #define RTL8366RB_SSCR2                         0x0004
49 #define RTL8366RB_SSCR2_DROP_UNKNOWN_DA         BIT(0)
50
51 #define RTL8366RB_RESET_CTRL_REG                0x0100
52 #define RTL8366RB_CHIP_CTRL_RESET_HW            1
53 #define RTL8366RB_CHIP_CTRL_RESET_SW            (1 << 1)
54
55 #define RTL8366RB_CHIP_VERSION_CTRL_REG         0x050A
56 #define RTL8366RB_CHIP_VERSION_MASK             0xf
57 #define RTL8366RB_CHIP_ID_REG                   0x0509
58 #define RTL8366RB_CHIP_ID_8366                  0x5937
59
60 /* PHY registers control */
61 #define RTL8366RB_PHY_ACCESS_CTRL_REG           0x8000
62 #define RTL8366RB_PHY_ACCESS_DATA_REG           0x8002
63
64 #define RTL8366RB_PHY_CTRL_READ                 1
65 #define RTL8366RB_PHY_CTRL_WRITE                0
66
67 #define RTL8366RB_PHY_REG_MASK                  0x1f
68 #define RTL8366RB_PHY_PAGE_OFFSET               5
69 #define RTL8366RB_PHY_PAGE_MASK                 (0xf << 5)
70 #define RTL8366RB_PHY_NO_OFFSET                 9
71 #define RTL8366RB_PHY_NO_MASK                   (0x1f << 9)
72
73 #define RTL8366RB_VLAN_INGRESS_CTRL2_REG        0x037f
74
75 /* LED control registers */
76 #define RTL8366RB_LED_BLINKRATE_REG             0x0430
77 #define RTL8366RB_LED_BLINKRATE_BIT             0
78 #define RTL8366RB_LED_BLINKRATE_MASK            0x0007
79
80 #define RTL8366RB_LED_CTRL_REG                  0x0431
81 #define RTL8366RB_LED_0_1_CTRL_REG              0x0432
82 #define RTL8366RB_LED_2_3_CTRL_REG              0x0433
83
84 #define RTL8366RB_MIB_COUNT                     33
85 #define RTL8366RB_GLOBAL_MIB_COUNT              1
86 #define RTL8366RB_MIB_COUNTER_PORT_OFFSET       0x0050
87 #define RTL8366RB_MIB_COUNTER_BASE              0x1000
88 #define RTL8366RB_MIB_CTRL_REG                  0x13F0
89 #define RTL8366RB_MIB_CTRL_USER_MASK            0x0FFC
90 #define RTL8366RB_MIB_CTRL_BUSY_MASK            BIT(0)
91 #define RTL8366RB_MIB_CTRL_RESET_MASK           BIT(1)
92 #define RTL8366RB_MIB_CTRL_PORT_RESET(_p)       BIT(2 + (_p))
93 #define RTL8366RB_MIB_CTRL_GLOBAL_RESET         BIT(11)
94
95 #define RTL8366RB_PORT_VLAN_CTRL_BASE           0x0063
96 #define RTL8366RB_PORT_VLAN_CTRL_REG(_p)  \
97                 (RTL8366RB_PORT_VLAN_CTRL_BASE + (_p) / 4)
98 #define RTL8366RB_PORT_VLAN_CTRL_MASK           0xf
99 #define RTL8366RB_PORT_VLAN_CTRL_SHIFT(_p)      (4 * ((_p) % 4))
100
101
102 #define RTL8366RB_VLAN_TABLE_READ_BASE          0x018C
103 #define RTL8366RB_VLAN_TABLE_WRITE_BASE         0x0185
104
105
106 #define RTL8366RB_TABLE_ACCESS_CTRL_REG         0x0180
107 #define RTL8366RB_TABLE_VLAN_READ_CTRL          0x0E01
108 #define RTL8366RB_TABLE_VLAN_WRITE_CTRL         0x0F01
109
110 #define RTL8366RB_VLAN_MEMCONF_BASE             0x0020
111
112
113 #define RTL8366RB_PORT_LINK_STATUS_BASE         0x0014
114 #define RTL8366RB_PORT_STATUS_SPEED_MASK        0x0003
115 #define RTL8366RB_PORT_STATUS_DUPLEX_MASK       0x0004
116 #define RTL8366RB_PORT_STATUS_LINK_MASK         0x0010
117 #define RTL8366RB_PORT_STATUS_TXPAUSE_MASK      0x0020
118 #define RTL8366RB_PORT_STATUS_RXPAUSE_MASK      0x0040
119 #define RTL8366RB_PORT_STATUS_AN_MASK           0x0080
120
121
122 #define RTL8366RB_PORT_NUM_CPU          5
123 #define RTL8366RB_NUM_PORTS             6
124 #define RTL8366RB_NUM_VLANS             16
125 #define RTL8366RB_NUM_LEDGROUPS         4
126 #define RTL8366RB_NUM_VIDS              4096
127 #define RTL8366RB_PRIORITYMAX           7
128 #define RTL8366RB_FIDMAX                7
129
130
131 #define RTL8366RB_PORT_1                (1 << 0) /* In userspace port 0 */
132 #define RTL8366RB_PORT_2                (1 << 1) /* In userspace port 1 */
133 #define RTL8366RB_PORT_3                (1 << 2) /* In userspace port 2 */
134 #define RTL8366RB_PORT_4                (1 << 3) /* In userspace port 3 */
135 #define RTL8366RB_PORT_5                (1 << 4) /* In userspace port 4 */
136
137 #define RTL8366RB_PORT_CPU              (1 << 5) /* CPU port */
138
139 #define RTL8366RB_PORT_ALL              (RTL8366RB_PORT_1 |     \
140                                          RTL8366RB_PORT_2 |     \
141                                          RTL8366RB_PORT_3 |     \
142                                          RTL8366RB_PORT_4 |     \
143                                          RTL8366RB_PORT_5 |     \
144                                          RTL8366RB_PORT_CPU)
145
146 #define RTL8366RB_PORT_ALL_BUT_CPU      (RTL8366RB_PORT_1 |     \
147                                          RTL8366RB_PORT_2 |     \
148                                          RTL8366RB_PORT_3 |     \
149                                          RTL8366RB_PORT_4 |     \
150                                          RTL8366RB_PORT_5)
151
152 #define RTL8366RB_PORT_ALL_EXTERNAL     (RTL8366RB_PORT_1 |     \
153                                          RTL8366RB_PORT_2 |     \
154                                          RTL8366RB_PORT_3 |     \
155                                          RTL8366RB_PORT_4)
156
157 #define RTL8366RB_PORT_ALL_INTERNAL      RTL8366RB_PORT_CPU
158
159 struct rtl8366rb {
160         struct device           *parent;
161         struct rtl8366_smi      smi;
162         struct switch_dev       dev;
163 };
164
165 struct rtl8366rb_vlan_mc {
166         u16     reserved2:1;
167         u16     priority:3;
168         u16     vid:12;
169         u16     untag:8;
170         u16     member:8;
171         u16     stag_mbr:8;
172         u16     stag_idx:3;
173         u16     reserved1:2;
174         u16     fid:3;
175 };
176
177 struct rtl8366rb_vlan_4k {
178         u16     reserved1:4;
179         u16     vid:12;
180         u16     untag:8;
181         u16     member:8;
182         u16     reserved2:13;
183         u16     fid:3;
184 };
185
186 static struct rtl8366_mib_counter rtl8366rb_mib_counters[] = {
187         { 0,  0, 4, "IfInOctets"                                },
188         { 0,  4, 4, "EtherStatsOctets"                          },
189         { 0,  8, 2, "EtherStatsUnderSizePkts"                   },
190         { 0, 10, 2, "EtherFragments"                            },
191         { 0, 12, 2, "EtherStatsPkts64Octets"                    },
192         { 0, 14, 2, "EtherStatsPkts65to127Octets"               },
193         { 0, 16, 2, "EtherStatsPkts128to255Octets"              },
194         { 0, 18, 2, "EtherStatsPkts256to511Octets"              },
195         { 0, 20, 2, "EtherStatsPkts512to1023Octets"             },
196         { 0, 22, 2, "EtherStatsPkts1024to1518Octets"            },
197         { 0, 24, 2, "EtherOversizeStats"                        },
198         { 0, 26, 2, "EtherStatsJabbers"                         },
199         { 0, 28, 2, "IfInUcastPkts"                             },
200         { 0, 30, 2, "EtherStatsMulticastPkts"                   },
201         { 0, 32, 2, "EtherStatsBroadcastPkts"                   },
202         { 0, 34, 2, "EtherStatsDropEvents"                      },
203         { 0, 36, 2, "Dot3StatsFCSErrors"                        },
204         { 0, 38, 2, "Dot3StatsSymbolErrors"                     },
205         { 0, 40, 2, "Dot3InPauseFrames"                         },
206         { 0, 42, 2, "Dot3ControlInUnknownOpcodes"               },
207         { 0, 44, 4, "IfOutOctets"                               },
208         { 0, 48, 2, "Dot3StatsSingleCollisionFrames"            },
209         { 0, 50, 2, "Dot3StatMultipleCollisionFrames"           },
210         { 0, 52, 2, "Dot3sDeferredTransmissions"                },
211         { 0, 54, 2, "Dot3StatsLateCollisions"                   },
212         { 0, 56, 2, "EtherStatsCollisions"                      },
213         { 0, 58, 2, "Dot3StatsExcessiveCollisions"              },
214         { 0, 60, 2, "Dot3OutPauseFrames"                        },
215         { 0, 62, 2, "Dot1dBasePortDelayExceededDiscards"        },
216         { 0, 64, 2, "Dot1dTpPortInDiscards"                     },
217         { 0, 66, 2, "IfOutUcastPkts"                            },
218         { 0, 68, 2, "IfOutMulticastPkts"                        },
219         { 0, 70, 2, "IfOutBroadcastPkts"                        },
220 };
221
222 #define REG_WR(_smi, _reg, _val)                                        \
223         do {                                                            \
224                 err = rtl8366_smi_write_reg(_smi, _reg, _val);          \
225                 if (err)                                                \
226                         return err;                                     \
227         } while (0)
228
229 #define REG_RMW(_smi, _reg, _mask, _val)                                \
230         do {                                                            \
231                 err = rtl8366_smi_rmwr(_smi, _reg, _mask, _val);        \
232                 if (err)                                                \
233                         return err;                                     \
234         } while (0)
235
236 static inline struct rtl8366rb *smi_to_rtl8366rb(struct rtl8366_smi *smi)
237 {
238         return container_of(smi, struct rtl8366rb, smi);
239 }
240
241 static inline struct rtl8366rb *sw_to_rtl8366rb(struct switch_dev *sw)
242 {
243         return container_of(sw, struct rtl8366rb, dev);
244 }
245
246 static inline struct rtl8366_smi *sw_to_rtl8366_smi(struct switch_dev *sw)
247 {
248         struct rtl8366rb *rtl = sw_to_rtl8366rb(sw);
249         return &rtl->smi;
250 }
251
252 static int rtl8366rb_reset_chip(struct rtl8366_smi *smi)
253 {
254         int timeout = 10;
255         u32 data;
256
257         rtl8366_smi_write_reg(smi, RTL8366RB_RESET_CTRL_REG,
258                               RTL8366RB_CHIP_CTRL_RESET_HW);
259         do {
260                 msleep(1);
261                 if (rtl8366_smi_read_reg(smi, RTL8366RB_RESET_CTRL_REG, &data))
262                         return -EIO;
263
264                 if (!(data & RTL8366RB_CHIP_CTRL_RESET_HW))
265                         break;
266         } while (--timeout);
267
268         if (!timeout) {
269                 printk("Timeout waiting for the switch to reset\n");
270                 return -EIO;
271         }
272
273         return 0;
274 }
275
276 static int rtl8366rb_hw_init(struct rtl8366_smi *smi)
277 {
278         int err;
279
280         /* set maximum packet length to 1536 bytes */
281         REG_RMW(smi, RTL8366RB_SGCR, RTL8366RB_SGCR_MAX_LENGTH_MASK,
282                 RTL8366RB_SGCR_MAX_LENGTH_1536);
283
284         /* enable all ports */
285         REG_WR(smi, RTL8366RB_PECR, 0);
286
287         /* enable learning for all ports */
288         REG_WR(smi, RTL8366RB_SSCR0, 0);
289
290         /* enable auto ageing for all ports */
291         REG_WR(smi, RTL8366RB_SSCR1, 0);
292
293         /*
294          * discard VLAN tagged packets if the port is not a member of
295          * the VLAN with which the packets is associated.
296          */
297         REG_WR(smi, RTL8366RB_VLAN_INGRESS_CTRL2_REG, RTL8366RB_PORT_ALL);
298
299         /* don't drop packets whose DA has not been learned */
300         REG_RMW(smi, RTL8366RB_SSCR2, RTL8366RB_SSCR2_DROP_UNKNOWN_DA, 0);
301
302         return 0;
303 }
304
305 static int rtl8366rb_read_phy_reg(struct rtl8366_smi *smi,
306                                  u32 phy_no, u32 page, u32 addr, u32 *data)
307 {
308         u32 reg;
309         int ret;
310
311         if (phy_no > RTL8366RB_PHY_NO_MAX)
312                 return -EINVAL;
313
314         if (page > RTL8366RB_PHY_PAGE_MAX)
315                 return -EINVAL;
316
317         if (addr > RTL8366RB_PHY_ADDR_MAX)
318                 return -EINVAL;
319
320         ret = rtl8366_smi_write_reg(smi, RTL8366RB_PHY_ACCESS_CTRL_REG,
321                                     RTL8366RB_PHY_CTRL_READ);
322         if (ret)
323                 return ret;
324
325         reg = 0x8000 | (1 << (phy_no + RTL8366RB_PHY_NO_OFFSET)) |
326               ((page << RTL8366RB_PHY_PAGE_OFFSET) & RTL8366RB_PHY_PAGE_MASK) |
327               (addr & RTL8366RB_PHY_REG_MASK);
328
329         ret = rtl8366_smi_write_reg(smi, reg, 0);
330         if (ret)
331                 return ret;
332
333         ret = rtl8366_smi_read_reg(smi, RTL8366RB_PHY_ACCESS_DATA_REG, data);
334         if (ret)
335                 return ret;
336
337         return 0;
338 }
339
340 static int rtl8366rb_write_phy_reg(struct rtl8366_smi *smi,
341                                   u32 phy_no, u32 page, u32 addr, u32 data)
342 {
343         u32 reg;
344         int ret;
345
346         if (phy_no > RTL8366RB_PHY_NO_MAX)
347                 return -EINVAL;
348
349         if (page > RTL8366RB_PHY_PAGE_MAX)
350                 return -EINVAL;
351
352         if (addr > RTL8366RB_PHY_ADDR_MAX)
353                 return -EINVAL;
354
355         ret = rtl8366_smi_write_reg(smi, RTL8366RB_PHY_ACCESS_CTRL_REG,
356                                     RTL8366RB_PHY_CTRL_WRITE);
357         if (ret)
358                 return ret;
359
360         reg = 0x8000 | (1 << (phy_no + RTL8366RB_PHY_NO_OFFSET)) |
361               ((page << RTL8366RB_PHY_PAGE_OFFSET) & RTL8366RB_PHY_PAGE_MASK) |
362               (addr & RTL8366RB_PHY_REG_MASK);
363
364         ret = rtl8366_smi_write_reg(smi, reg, data);
365         if (ret)
366                 return ret;
367
368         return 0;
369 }
370
371 static int rtl8366rb_get_mib_counter(struct rtl8366_smi *smi, int counter,
372                                      int port, unsigned long long *val)
373 {
374         int i;
375         int err;
376         u32 addr, data;
377         u64 mibvalue;
378
379         if (port > RTL8366RB_NUM_PORTS || counter >= RTL8366RB_MIB_COUNT)
380                 return -EINVAL;
381
382         addr = RTL8366RB_MIB_COUNTER_BASE +
383                RTL8366RB_MIB_COUNTER_PORT_OFFSET * (port) +
384                rtl8366rb_mib_counters[counter].offset;
385
386         /*
387          * Writing access counter address first
388          * then ASIC will prepare 64bits counter wait for being retrived
389          */
390         data = 0; /* writing data will be discard by ASIC */
391         err = rtl8366_smi_write_reg(smi, addr, data);
392         if (err)
393                 return err;
394
395         /* read MIB control register */
396         err =  rtl8366_smi_read_reg(smi, RTL8366RB_MIB_CTRL_REG, &data);
397         if (err)
398                 return err;
399
400         if (data & RTL8366RB_MIB_CTRL_BUSY_MASK)
401                 return -EBUSY;
402
403         if (data & RTL8366RB_MIB_CTRL_RESET_MASK)
404                 return -EIO;
405
406         mibvalue = 0;
407         for (i = rtl8366rb_mib_counters[counter].length; i > 0; i--) {
408                 err = rtl8366_smi_read_reg(smi, addr + (i - 1), &data);
409                 if (err)
410                         return err;
411
412                 mibvalue = (mibvalue << 16) | (data & 0xFFFF);
413         }
414
415         *val = mibvalue;
416         return 0;
417 }
418
419 static int rtl8366rb_get_vlan_4k(struct rtl8366_smi *smi, u32 vid,
420                                  struct rtl8366_vlan_4k *vlan4k)
421 {
422         struct rtl8366rb_vlan_4k vlan4k_priv;
423         int err;
424         u32 data;
425         u16 *tableaddr;
426
427         memset(vlan4k, '\0', sizeof(struct rtl8366_vlan_4k));
428         vlan4k_priv.vid = vid;
429
430         if (vid >= RTL8366RB_NUM_VIDS)
431                 return -EINVAL;
432
433         tableaddr = (u16 *)&vlan4k_priv;
434
435         /* write VID */
436         data = *tableaddr;
437         err = rtl8366_smi_write_reg(smi, RTL8366RB_VLAN_TABLE_WRITE_BASE, data);
438         if (err)
439                 return err;
440
441         /* write table access control word */
442         err = rtl8366_smi_write_reg(smi, RTL8366RB_TABLE_ACCESS_CTRL_REG,
443                                     RTL8366RB_TABLE_VLAN_READ_CTRL);
444         if (err)
445                 return err;
446
447         err = rtl8366_smi_read_reg(smi, RTL8366RB_VLAN_TABLE_READ_BASE, &data);
448         if (err)
449                 return err;
450
451         *tableaddr = data;
452         tableaddr++;
453
454         err = rtl8366_smi_read_reg(smi, RTL8366RB_VLAN_TABLE_READ_BASE + 1,
455                                    &data);
456         if (err)
457                 return err;
458
459         *tableaddr = data;
460         tableaddr++;
461
462         err = rtl8366_smi_read_reg(smi, RTL8366RB_VLAN_TABLE_READ_BASE + 2,
463                                    &data);
464         if (err)
465                 return err;
466         *tableaddr = data;
467
468         vlan4k->vid = vid;
469         vlan4k->untag = vlan4k_priv.untag;
470         vlan4k->member = vlan4k_priv.member;
471         vlan4k->fid = vlan4k_priv.fid;
472
473         return 0;
474 }
475
476 static int rtl8366rb_set_vlan_4k(struct rtl8366_smi *smi,
477                                  const struct rtl8366_vlan_4k *vlan4k)
478 {
479         struct rtl8366rb_vlan_4k vlan4k_priv;
480         int err;
481         u32 data;
482         u16 *tableaddr;
483
484         if (vlan4k->vid >= RTL8366RB_NUM_VIDS ||
485             vlan4k->member > RTL8366RB_PORT_ALL ||
486             vlan4k->untag > RTL8366RB_PORT_ALL ||
487             vlan4k->fid > RTL8366RB_FIDMAX)
488                 return -EINVAL;
489
490         vlan4k_priv.vid = vlan4k->vid;
491         vlan4k_priv.untag = vlan4k->untag;
492         vlan4k_priv.member = vlan4k->member;
493         vlan4k_priv.fid = vlan4k->fid;
494
495         tableaddr = (u16 *)&vlan4k_priv;
496
497         data = *tableaddr;
498
499         err = rtl8366_smi_write_reg(smi, RTL8366RB_VLAN_TABLE_WRITE_BASE, data);
500         if (err)
501                 return err;
502
503         tableaddr++;
504
505         data = *tableaddr;
506
507         err = rtl8366_smi_write_reg(smi, RTL8366RB_VLAN_TABLE_WRITE_BASE + 1,
508                                     data);
509         if (err)
510                 return err;
511
512         tableaddr++;
513
514         data = *tableaddr;
515
516         err = rtl8366_smi_write_reg(smi, RTL8366RB_VLAN_TABLE_WRITE_BASE + 2,
517                                     data);
518         if (err)
519                 return err;
520
521         /* write table access control word */
522         err = rtl8366_smi_write_reg(smi, RTL8366RB_TABLE_ACCESS_CTRL_REG,
523                                     RTL8366RB_TABLE_VLAN_WRITE_CTRL);
524
525         return err;
526 }
527
528 static int rtl8366rb_get_vlan_mc(struct rtl8366_smi *smi, u32 index,
529                                  struct rtl8366_vlan_mc *vlanmc)
530 {
531         struct rtl8366rb_vlan_mc vlanmc_priv;
532         int err;
533         u32 addr;
534         u32 data;
535         u16 *tableaddr;
536
537         memset(vlanmc, '\0', sizeof(struct rtl8366_vlan_mc));
538
539         if (index >= RTL8366RB_NUM_VLANS)
540                 return -EINVAL;
541
542         tableaddr = (u16 *)&vlanmc_priv;
543
544         addr = RTL8366RB_VLAN_MEMCONF_BASE + (index * 3);
545         err = rtl8366_smi_read_reg(smi, addr, &data);
546         if (err)
547                 return err;
548
549         *tableaddr = data;
550         tableaddr++;
551
552         addr = RTL8366RB_VLAN_MEMCONF_BASE + 1 + (index * 3);
553         err = rtl8366_smi_read_reg(smi, addr, &data);
554         if (err)
555                 return err;
556
557         *tableaddr = data;
558         tableaddr++;
559
560         addr = RTL8366RB_VLAN_MEMCONF_BASE + 2 + (index * 3);
561         err = rtl8366_smi_read_reg(smi, addr, &data);
562         if (err)
563                 return err;
564
565         *tableaddr = data;
566
567         vlanmc->vid = vlanmc_priv.vid;
568         vlanmc->priority = vlanmc_priv.priority;
569         vlanmc->untag = vlanmc_priv.untag;
570         vlanmc->member = vlanmc_priv.member;
571         vlanmc->fid = vlanmc_priv.fid;
572
573         return 0;
574 }
575
576 static int rtl8366rb_set_vlan_mc(struct rtl8366_smi *smi, u32 index,
577                                  const struct rtl8366_vlan_mc *vlanmc)
578 {
579         struct rtl8366rb_vlan_mc vlanmc_priv;
580         int err;
581         u32 addr;
582         u32 data;
583         u16 *tableaddr;
584
585         if (index >= RTL8366RB_NUM_VLANS ||
586             vlanmc->vid >= RTL8366RB_NUM_VIDS ||
587             vlanmc->priority > RTL8366RB_PRIORITYMAX ||
588             vlanmc->member > RTL8366RB_PORT_ALL ||
589             vlanmc->untag > RTL8366RB_PORT_ALL ||
590             vlanmc->fid > RTL8366RB_FIDMAX)
591                 return -EINVAL;
592
593         vlanmc_priv.vid = vlanmc->vid;
594         vlanmc_priv.priority = vlanmc->priority;
595         vlanmc_priv.untag = vlanmc->untag;
596         vlanmc_priv.member = vlanmc->member;
597         vlanmc_priv.stag_mbr = 0;
598         vlanmc_priv.stag_idx = 0;
599         vlanmc_priv.fid = vlanmc->fid;
600
601         addr = RTL8366RB_VLAN_MEMCONF_BASE + (index * 3);
602
603         tableaddr = (u16 *)&vlanmc_priv;
604         data = *tableaddr;
605
606         err = rtl8366_smi_write_reg(smi, addr, data);
607         if (err)
608                 return err;
609
610         addr = RTL8366RB_VLAN_MEMCONF_BASE + 1 + (index * 3);
611
612         tableaddr++;
613         data = *tableaddr;
614
615         err = rtl8366_smi_write_reg(smi, addr, data);
616         if (err)
617                 return err;
618
619         addr = RTL8366RB_VLAN_MEMCONF_BASE + 2 + (index * 3);
620
621         tableaddr++;
622         data = *tableaddr;
623
624         err = rtl8366_smi_write_reg(smi, addr, data);
625         if (err)
626                 return err;
627         return 0;
628 }
629
630 static int rtl8366rb_get_mc_index(struct rtl8366_smi *smi, int port, int *val)
631 {
632         u32 data;
633         int err;
634
635         if (port >= RTL8366RB_NUM_PORTS)
636                 return -EINVAL;
637
638         err = rtl8366_smi_read_reg(smi, RTL8366RB_PORT_VLAN_CTRL_REG(port),
639                                    &data);
640         if (err)
641                 return err;
642
643         *val = (data >> RTL8366RB_PORT_VLAN_CTRL_SHIFT(port)) &
644                RTL8366RB_PORT_VLAN_CTRL_MASK;
645
646         return 0;
647
648 }
649
650 static int rtl8366rb_set_mc_index(struct rtl8366_smi *smi, int port, int index)
651 {
652         if (port >= RTL8366RB_NUM_PORTS || index >= RTL8366RB_NUM_VLANS)
653                 return -EINVAL;
654
655         return rtl8366_smi_rmwr(smi, RTL8366RB_PORT_VLAN_CTRL_REG(port),
656                                 RTL8366RB_PORT_VLAN_CTRL_MASK <<
657                                         RTL8366RB_PORT_VLAN_CTRL_SHIFT(port),
658                                 (index & RTL8366RB_PORT_VLAN_CTRL_MASK) <<
659                                         RTL8366RB_PORT_VLAN_CTRL_SHIFT(port));
660 }
661
662 static int rtl8366rb_vlan_set_vlan(struct rtl8366_smi *smi, int enable)
663 {
664         return rtl8366_smi_rmwr(smi, RTL8366RB_SGCR, RTL8366RB_SGCR_EN_VLAN,
665                                 (enable) ? RTL8366RB_SGCR_EN_VLAN : 0);
666 }
667
668 static int rtl8366rb_vlan_set_4ktable(struct rtl8366_smi *smi, int enable)
669 {
670         return rtl8366_smi_rmwr(smi, RTL8366RB_SGCR,
671                                 RTL8366RB_SGCR_EN_VLAN_4KTB,
672                                 (enable) ? RTL8366RB_SGCR_EN_VLAN_4KTB : 0);
673 }
674
675 static int rtl8366rb_sw_reset_mibs(struct switch_dev *dev,
676                                   const struct switch_attr *attr,
677                                   struct switch_val *val)
678 {
679         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
680         int err = 0;
681
682         if (val->value.i == 1)
683                 err = rtl8366_smi_rmwr(smi, RTL8366RB_MIB_CTRL_REG, 0,
684                                        RTL8366RB_MIB_CTRL_GLOBAL_RESET);
685
686         return err;
687 }
688
689 static int rtl8366rb_sw_get_vlan_enable(struct switch_dev *dev,
690                                        const struct switch_attr *attr,
691                                        struct switch_val *val)
692 {
693         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
694         u32 data;
695
696         if (attr->ofs == 1) {
697                 rtl8366_smi_read_reg(smi, RTL8366RB_SGCR, &data);
698
699                 if (data & RTL8366RB_SGCR_EN_VLAN)
700                         val->value.i = 1;
701                 else
702                         val->value.i = 0;
703         } else if (attr->ofs == 2) {
704                 rtl8366_smi_read_reg(smi, RTL8366RB_SGCR, &data);
705
706                 if (data & RTL8366RB_SGCR_EN_VLAN_4KTB)
707                         val->value.i = 1;
708                 else
709                         val->value.i = 0;
710         }
711
712         return 0;
713 }
714
715 static int rtl8366rb_sw_get_blinkrate(struct switch_dev *dev,
716                                      const struct switch_attr *attr,
717                                      struct switch_val *val)
718 {
719         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
720         u32 data;
721
722         rtl8366_smi_read_reg(smi, RTL8366RB_LED_BLINKRATE_REG, &data);
723
724         val->value.i = (data & (RTL8366RB_LED_BLINKRATE_MASK));
725
726         return 0;
727 }
728
729 static int rtl8366rb_sw_set_blinkrate(struct switch_dev *dev,
730                                     const struct switch_attr *attr,
731                                     struct switch_val *val)
732 {
733         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
734
735         if (val->value.i >= 6)
736                 return -EINVAL;
737
738         return rtl8366_smi_rmwr(smi, RTL8366RB_LED_BLINKRATE_REG,
739                                 RTL8366RB_LED_BLINKRATE_MASK,
740                                 val->value.i);
741 }
742
743 static int rtl8366rb_sw_set_vlan_enable(struct switch_dev *dev,
744                                        const struct switch_attr *attr,
745                                        struct switch_val *val)
746 {
747         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
748
749         if (attr->ofs == 1)
750                 return rtl8366rb_vlan_set_vlan(smi, val->value.i);
751         else
752                 return rtl8366rb_vlan_set_4ktable(smi, val->value.i);
753 }
754
755 static int rtl8366rb_sw_get_learning_enable(struct switch_dev *dev,
756                                        const struct switch_attr *attr,
757                                        struct switch_val *val)
758 {
759         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
760         u32 data;
761
762         rtl8366_smi_read_reg(smi, RTL8366RB_SSCR0, &data);
763         val->value.i = !data;
764
765         return 0;
766 }
767
768
769 static int rtl8366rb_sw_set_learning_enable(struct switch_dev *dev,
770                                        const struct switch_attr *attr,
771                                        struct switch_val *val)
772 {
773         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
774         u32 portmask = 0;
775         int err = 0;
776
777         if (!val->value.i)
778                 portmask = RTL8366RB_PORT_ALL;
779
780         /* set learning for all ports */
781         REG_WR(smi, RTL8366RB_SSCR0, portmask);
782
783         /* set auto ageing for all ports */
784         REG_WR(smi, RTL8366RB_SSCR1, portmask);
785
786         return 0;
787 }
788
789
790 static const char *rtl8366rb_speed_str(unsigned speed)
791 {
792         switch (speed) {
793         case 0:
794                 return "10baseT";
795         case 1:
796                 return "100baseT";
797         case 2:
798                 return "1000baseT";
799         }
800
801         return "unknown";
802 }
803
804 static int rtl8366rb_sw_get_port_link(struct switch_dev *dev,
805                                      const struct switch_attr *attr,
806                                      struct switch_val *val)
807 {
808         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
809         u32 len = 0, data = 0;
810
811         if (val->port_vlan >= RTL8366RB_NUM_PORTS)
812                 return -EINVAL;
813
814         memset(smi->buf, '\0', sizeof(smi->buf));
815         rtl8366_smi_read_reg(smi, RTL8366RB_PORT_LINK_STATUS_BASE +
816                              (val->port_vlan / 2), &data);
817
818         if (val->port_vlan % 2)
819                 data = data >> 8;
820
821         if (data & RTL8366RB_PORT_STATUS_LINK_MASK) {
822                 len = snprintf(smi->buf, sizeof(smi->buf),
823                                 "port:%d link:up speed:%s %s-duplex %s%s%s",
824                                 val->port_vlan,
825                                 rtl8366rb_speed_str(data &
826                                           RTL8366RB_PORT_STATUS_SPEED_MASK),
827                                 (data & RTL8366RB_PORT_STATUS_DUPLEX_MASK) ?
828                                         "full" : "half",
829                                 (data & RTL8366RB_PORT_STATUS_TXPAUSE_MASK) ?
830                                         "tx-pause ": "",
831                                 (data & RTL8366RB_PORT_STATUS_RXPAUSE_MASK) ?
832                                         "rx-pause " : "",
833                                 (data & RTL8366RB_PORT_STATUS_AN_MASK) ?
834                                         "nway ": "");
835         } else {
836                 len = snprintf(smi->buf, sizeof(smi->buf), "port:%d link: down",
837                                 val->port_vlan);
838         }
839
840         val->value.s = smi->buf;
841         val->len = len;
842
843         return 0;
844 }
845
846 static int rtl8366rb_sw_get_vlan_info(struct switch_dev *dev,
847                                      const struct switch_attr *attr,
848                                      struct switch_val *val)
849 {
850         int i;
851         u32 len = 0;
852         struct rtl8366_vlan_4k vlan4k;
853         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
854         char *buf = smi->buf;
855         int err;
856
857         if (val->port_vlan == 0 || val->port_vlan >= RTL8366RB_NUM_VLANS)
858                 return -EINVAL;
859
860         memset(buf, '\0', sizeof(smi->buf));
861
862         err = rtl8366rb_get_vlan_4k(smi, val->port_vlan, &vlan4k);
863         if (err)
864                 return err;
865
866         len += snprintf(buf + len, sizeof(smi->buf) - len,
867                         "VLAN %d: Ports: '", vlan4k.vid);
868
869         for (i = 0; i < RTL8366RB_NUM_PORTS; i++) {
870                 if (!(vlan4k.member & (1 << i)))
871                         continue;
872
873                 len += snprintf(buf + len, sizeof(smi->buf) - len, "%d%s", i,
874                                 (vlan4k.untag & (1 << i)) ? "" : "t");
875         }
876
877         len += snprintf(buf + len, sizeof(smi->buf) - len,
878                         "', members=%04x, untag=%04x, fid=%u",
879                         vlan4k.member, vlan4k.untag, vlan4k.fid);
880
881         val->value.s = buf;
882         val->len = len;
883
884         return 0;
885 }
886
887 static int rtl8366rb_sw_set_port_led(struct switch_dev *dev,
888                                     const struct switch_attr *attr,
889                                     struct switch_val *val)
890 {
891         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
892         u32 data;
893         u32 mask;
894         u32 reg;
895
896         if (val->port_vlan >= RTL8366RB_NUM_PORTS)
897                 return -EINVAL;
898
899         if (val->port_vlan == RTL8366RB_PORT_NUM_CPU) {
900                 reg = RTL8366RB_LED_BLINKRATE_REG;
901                 mask = 0xF << 4;
902                 data = val->value.i << 4;
903         } else {
904                 reg = RTL8366RB_LED_CTRL_REG;
905                 mask = 0xF << (val->port_vlan * 4),
906                 data = val->value.i << (val->port_vlan * 4);
907         }
908
909         return rtl8366_smi_rmwr(smi, RTL8366RB_LED_BLINKRATE_REG, mask, data);
910 }
911
912 static int rtl8366rb_sw_get_port_led(struct switch_dev *dev,
913                                     const struct switch_attr *attr,
914                                     struct switch_val *val)
915 {
916         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
917         u32 data = 0;
918
919         if (val->port_vlan >= RTL8366RB_NUM_LEDGROUPS)
920                 return -EINVAL;
921
922         rtl8366_smi_read_reg(smi, RTL8366RB_LED_CTRL_REG, &data);
923         val->value.i = (data >> (val->port_vlan * 4)) & 0x000F;
924
925         return 0;
926 }
927
928 static int rtl8366rb_sw_reset_port_mibs(struct switch_dev *dev,
929                                        const struct switch_attr *attr,
930                                        struct switch_val *val)
931 {
932         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
933
934         if (val->port_vlan >= RTL8366RB_NUM_PORTS)
935                 return -EINVAL;
936
937         return rtl8366_smi_rmwr(smi, RTL8366RB_MIB_CTRL_REG, 0,
938                                 RTL8366RB_MIB_CTRL_PORT_RESET(val->port_vlan));
939 }
940
941 static int rtl8366rb_sw_get_port_mib(struct switch_dev *dev,
942                                     const struct switch_attr *attr,
943                                     struct switch_val *val)
944 {
945         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
946         int i, len = 0;
947         unsigned long long counter = 0;
948         char *buf = smi->buf;
949
950         if (val->port_vlan >= RTL8366RB_NUM_PORTS)
951                 return -EINVAL;
952
953         len += snprintf(buf + len, sizeof(smi->buf) - len,
954                         "Port %d MIB counters\n",
955                         val->port_vlan);
956
957         for (i = 0; i < ARRAY_SIZE(rtl8366rb_mib_counters); ++i) {
958                 len += snprintf(buf + len, sizeof(smi->buf) - len,
959                                 "%-36s: ", rtl8366rb_mib_counters[i].name);
960                 if (!rtl8366rb_get_mib_counter(smi, i, val->port_vlan, &counter))
961                         len += snprintf(buf + len, sizeof(smi->buf) - len,
962                                         "%llu\n", counter);
963                 else
964                         len += snprintf(buf + len, sizeof(smi->buf) - len,
965                                         "%s\n", "error");
966         }
967
968         val->value.s = buf;
969         val->len = len;
970         return 0;
971 }
972
973 static int rtl8366rb_sw_get_vlan_ports(struct switch_dev *dev,
974                                       struct switch_val *val)
975 {
976         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
977         struct switch_port *port;
978         struct rtl8366_vlan_4k vlan4k;
979         int i;
980
981         if (val->port_vlan == 0 || val->port_vlan >= RTL8366RB_NUM_VLANS)
982                 return -EINVAL;
983
984         rtl8366rb_get_vlan_4k(smi, val->port_vlan, &vlan4k);
985
986         port = &val->value.ports[0];
987         val->len = 0;
988         for (i = 0; i < RTL8366RB_NUM_PORTS; i++) {
989                 if (!(vlan4k.member & BIT(i)))
990                         continue;
991
992                 port->id = i;
993                 port->flags = (vlan4k.untag & BIT(i)) ?
994                                         0 : BIT(SWITCH_PORT_FLAG_TAGGED);
995                 val->len++;
996                 port++;
997         }
998         return 0;
999 }
1000
1001 static int rtl8366rb_sw_set_vlan_ports(struct switch_dev *dev,
1002                                       struct switch_val *val)
1003 {
1004         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
1005         struct switch_port *port;
1006         u32 member = 0;
1007         u32 untag = 0;
1008         int i;
1009
1010         if (val->port_vlan == 0 || val->port_vlan >= RTL8366RB_NUM_VLANS)
1011                 return -EINVAL;
1012
1013         port = &val->value.ports[0];
1014         for (i = 0; i < val->len; i++, port++) {
1015                 member |= BIT(port->id);
1016
1017                 if (!(port->flags & BIT(SWITCH_PORT_FLAG_TAGGED)))
1018                         untag |= BIT(port->id);
1019         }
1020
1021         return rtl8366_set_vlan(smi, val->port_vlan, member, untag, 0);
1022 }
1023
1024 static int rtl8366rb_sw_get_port_pvid(struct switch_dev *dev, int port, int *val)
1025 {
1026         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
1027         return rtl8366_get_pvid(smi, port, val);
1028 }
1029
1030 static int rtl8366rb_sw_set_port_pvid(struct switch_dev *dev, int port, int val)
1031 {
1032         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
1033         return rtl8366_set_pvid(smi, port, val);
1034 }
1035
1036 static int rtl8366rb_sw_reset_switch(struct switch_dev *dev)
1037 {
1038         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
1039         int err;
1040
1041         err = rtl8366rb_reset_chip(smi);
1042         if (err)
1043                 return err;
1044
1045         err = rtl8366rb_hw_init(smi);
1046         if (err)
1047                 return err;
1048
1049         return rtl8366_reset_vlan(smi);
1050 }
1051
1052 static struct switch_attr rtl8366rb_globals[] = {
1053         {
1054                 .type = SWITCH_TYPE_INT,
1055                 .name = "enable_learning",
1056                 .description = "Enable learning, enable aging",
1057                 .set = rtl8366rb_sw_set_learning_enable,
1058                 .get = rtl8366rb_sw_get_learning_enable,
1059                 .max = 1
1060         }, {
1061                 .type = SWITCH_TYPE_INT,
1062                 .name = "enable_vlan",
1063                 .description = "Enable VLAN mode",
1064                 .set = rtl8366rb_sw_set_vlan_enable,
1065                 .get = rtl8366rb_sw_get_vlan_enable,
1066                 .max = 1,
1067                 .ofs = 1
1068         }, {
1069                 .type = SWITCH_TYPE_INT,
1070                 .name = "enable_vlan4k",
1071                 .description = "Enable VLAN 4K mode",
1072                 .set = rtl8366rb_sw_set_vlan_enable,
1073                 .get = rtl8366rb_sw_get_vlan_enable,
1074                 .max = 1,
1075                 .ofs = 2
1076         }, {
1077                 .type = SWITCH_TYPE_INT,
1078                 .name = "reset_mibs",
1079                 .description = "Reset all MIB counters",
1080                 .set = rtl8366rb_sw_reset_mibs,
1081                 .get = NULL,
1082                 .max = 1
1083         }, {
1084                 .type = SWITCH_TYPE_INT,
1085                 .name = "blinkrate",
1086                 .description = "Get/Set LED blinking rate (0 = 43ms, 1 = 84ms,"
1087                 " 2 = 120ms, 3 = 170ms, 4 = 340ms, 5 = 670ms)",
1088                 .set = rtl8366rb_sw_set_blinkrate,
1089                 .get = rtl8366rb_sw_get_blinkrate,
1090                 .max = 5
1091         },
1092 };
1093
1094 static struct switch_attr rtl8366rb_port[] = {
1095         {
1096                 .type = SWITCH_TYPE_STRING,
1097                 .name = "link",
1098                 .description = "Get port link information",
1099                 .max = 1,
1100                 .set = NULL,
1101                 .get = rtl8366rb_sw_get_port_link,
1102         }, {
1103                 .type = SWITCH_TYPE_INT,
1104                 .name = "reset_mib",
1105                 .description = "Reset single port MIB counters",
1106                 .max = 1,
1107                 .set = rtl8366rb_sw_reset_port_mibs,
1108                 .get = NULL,
1109         }, {
1110                 .type = SWITCH_TYPE_STRING,
1111                 .name = "mib",
1112                 .description = "Get MIB counters for port",
1113                 .max = 33,
1114                 .set = NULL,
1115                 .get = rtl8366rb_sw_get_port_mib,
1116         }, {
1117                 .type = SWITCH_TYPE_INT,
1118                 .name = "led",
1119                 .description = "Get/Set port group (0 - 3) led mode (0 - 15)",
1120                 .max = 15,
1121                 .set = rtl8366rb_sw_set_port_led,
1122                 .get = rtl8366rb_sw_get_port_led,
1123         },
1124 };
1125
1126 static struct switch_attr rtl8366rb_vlan[] = {
1127         {
1128                 .type = SWITCH_TYPE_STRING,
1129                 .name = "info",
1130                 .description = "Get vlan information",
1131                 .max = 1,
1132                 .set = NULL,
1133                 .get = rtl8366rb_sw_get_vlan_info,
1134         },
1135 };
1136
1137 /* template */
1138 static struct switch_dev rtl8366_switch_dev = {
1139         .name = "RTL8366S",
1140         .cpu_port = RTL8366RB_PORT_NUM_CPU,
1141         .ports = RTL8366RB_NUM_PORTS,
1142         .vlans = RTL8366RB_NUM_VLANS,
1143         .attr_global = {
1144                 .attr = rtl8366rb_globals,
1145                 .n_attr = ARRAY_SIZE(rtl8366rb_globals),
1146         },
1147         .attr_port = {
1148                 .attr = rtl8366rb_port,
1149                 .n_attr = ARRAY_SIZE(rtl8366rb_port),
1150         },
1151         .attr_vlan = {
1152                 .attr = rtl8366rb_vlan,
1153                 .n_attr = ARRAY_SIZE(rtl8366rb_vlan),
1154         },
1155
1156         .get_vlan_ports = rtl8366rb_sw_get_vlan_ports,
1157         .set_vlan_ports = rtl8366rb_sw_set_vlan_ports,
1158         .get_port_pvid = rtl8366rb_sw_get_port_pvid,
1159         .set_port_pvid = rtl8366rb_sw_set_port_pvid,
1160         .reset_switch = rtl8366rb_sw_reset_switch,
1161 };
1162
1163 static int rtl8366rb_switch_init(struct rtl8366rb *rtl)
1164 {
1165         struct switch_dev *dev = &rtl->dev;
1166         int err;
1167
1168         memcpy(dev, &rtl8366_switch_dev, sizeof(struct switch_dev));
1169         dev->priv = rtl;
1170         dev->devname = dev_name(rtl->parent);
1171
1172         err = register_switch(dev, NULL);
1173         if (err)
1174                 dev_err(rtl->parent, "switch registration failed\n");
1175
1176         return err;
1177 }
1178
1179 static void rtl8366rb_switch_cleanup(struct rtl8366rb *rtl)
1180 {
1181         unregister_switch(&rtl->dev);
1182 }
1183
1184 static int rtl8366rb_mii_read(struct mii_bus *bus, int addr, int reg)
1185 {
1186         struct rtl8366_smi *smi = bus->priv;
1187         u32 val = 0;
1188         int err;
1189
1190         err = rtl8366rb_read_phy_reg(smi, addr, 0, reg, &val);
1191         if (err)
1192                 return 0xffff;
1193
1194         return val;
1195 }
1196
1197 static int rtl8366rb_mii_write(struct mii_bus *bus, int addr, int reg, u16 val)
1198 {
1199         struct rtl8366_smi *smi = bus->priv;
1200         u32 t;
1201         int err;
1202
1203         err = rtl8366rb_write_phy_reg(smi, addr, 0, reg, val);
1204         /* flush write */
1205         (void) rtl8366rb_read_phy_reg(smi, addr, 0, reg, &t);
1206
1207         return err;
1208 }
1209
1210 static int rtl8366rb_mii_bus_match(struct mii_bus *bus)
1211 {
1212         return (bus->read == rtl8366rb_mii_read &&
1213                 bus->write == rtl8366rb_mii_write);
1214 }
1215
1216 static int rtl8366rb_setup(struct rtl8366rb *rtl)
1217 {
1218         struct rtl8366_smi *smi = &rtl->smi;
1219         int ret;
1220
1221         ret = rtl8366rb_reset_chip(smi);
1222         if (ret)
1223                 return ret;
1224
1225         ret = rtl8366rb_hw_init(smi);
1226         return ret;
1227 }
1228
1229 static int rtl8366rb_detect(struct rtl8366_smi *smi)
1230 {
1231         u32 chip_id = 0;
1232         u32 chip_ver = 0;
1233         int ret;
1234
1235         ret = rtl8366_smi_read_reg(smi, RTL8366RB_CHIP_ID_REG, &chip_id);
1236         if (ret) {
1237                 dev_err(smi->parent, "unable to read chip id\n");
1238                 return ret;
1239         }
1240
1241         switch (chip_id) {
1242         case RTL8366RB_CHIP_ID_8366:
1243                 break;
1244         default:
1245                 dev_err(smi->parent, "unknown chip id (%04x)\n", chip_id);
1246                 return -ENODEV;
1247         }
1248
1249         ret = rtl8366_smi_read_reg(smi, RTL8366RB_CHIP_VERSION_CTRL_REG,
1250                                    &chip_ver);
1251         if (ret) {
1252                 dev_err(smi->parent, "unable to read chip version\n");
1253                 return ret;
1254         }
1255
1256         dev_info(smi->parent, "RTL%04x ver. %u chip found\n",
1257                  chip_id, chip_ver & RTL8366RB_CHIP_VERSION_MASK);
1258
1259         return 0;
1260 }
1261
1262 static struct rtl8366_smi_ops rtl8366rb_smi_ops = {
1263         .detect         = rtl8366rb_detect,
1264         .mii_read       = rtl8366rb_mii_read,
1265         .mii_write      = rtl8366rb_mii_write,
1266
1267         .get_vlan_mc    = rtl8366rb_get_vlan_mc,
1268         .set_vlan_mc    = rtl8366rb_set_vlan_mc,
1269         .get_vlan_4k    = rtl8366rb_get_vlan_4k,
1270         .set_vlan_4k    = rtl8366rb_set_vlan_4k,
1271         .get_mc_index   = rtl8366rb_get_mc_index,
1272         .set_mc_index   = rtl8366rb_set_mc_index,
1273         .get_mib_counter = rtl8366rb_get_mib_counter,
1274 };
1275
1276 static int __init rtl8366rb_probe(struct platform_device *pdev)
1277 {
1278         static int rtl8366_smi_version_printed;
1279         struct rtl8366rb_platform_data *pdata;
1280         struct rtl8366rb *rtl;
1281         struct rtl8366_smi *smi;
1282         int err;
1283
1284         if (!rtl8366_smi_version_printed++)
1285                 printk(KERN_NOTICE RTL8366RB_DRIVER_DESC
1286                        " version " RTL8366RB_DRIVER_VER"\n");
1287
1288         pdata = pdev->dev.platform_data;
1289         if (!pdata) {
1290                 dev_err(&pdev->dev, "no platform data specified\n");
1291                 err = -EINVAL;
1292                 goto err_out;
1293         }
1294
1295         rtl = kzalloc(sizeof(*rtl), GFP_KERNEL);
1296         if (!rtl) {
1297                 dev_err(&pdev->dev, "no memory for private data\n");
1298                 err = -ENOMEM;
1299                 goto err_out;
1300         }
1301
1302         rtl->parent = &pdev->dev;
1303
1304         smi = &rtl->smi;
1305         smi->parent = &pdev->dev;
1306         smi->gpio_sda = pdata->gpio_sda;
1307         smi->gpio_sck = pdata->gpio_sck;
1308         smi->ops = &rtl8366rb_smi_ops;
1309         smi->cpu_port = RTL8366RB_PORT_NUM_CPU;
1310         smi->num_ports = RTL8366RB_NUM_PORTS;
1311         smi->num_vlan_mc = RTL8366RB_NUM_VLANS;
1312         smi->mib_counters = rtl8366rb_mib_counters;
1313         smi->num_mib_counters = ARRAY_SIZE(rtl8366rb_mib_counters);
1314
1315         err = rtl8366_smi_init(smi);
1316         if (err)
1317                 goto err_free_rtl;
1318
1319         platform_set_drvdata(pdev, rtl);
1320
1321         err = rtl8366rb_setup(rtl);
1322         if (err)
1323                 goto err_clear_drvdata;
1324
1325         err = rtl8366rb_switch_init(rtl);
1326         if (err)
1327                 goto err_clear_drvdata;
1328
1329         return 0;
1330
1331  err_clear_drvdata:
1332         platform_set_drvdata(pdev, NULL);
1333         rtl8366_smi_cleanup(smi);
1334  err_free_rtl:
1335         kfree(rtl);
1336  err_out:
1337         return err;
1338 }
1339
1340 static int rtl8366rb_phy_config_init(struct phy_device *phydev)
1341 {
1342         if (!rtl8366rb_mii_bus_match(phydev->bus))
1343                 return -EINVAL;
1344
1345         return 0;
1346 }
1347
1348 static int rtl8366rb_phy_config_aneg(struct phy_device *phydev)
1349 {
1350         return 0;
1351 }
1352
1353 static struct phy_driver rtl8366rb_phy_driver = {
1354         .phy_id         = 0x001cc960,
1355         .name           = "Realtek RTL8366RB",
1356         .phy_id_mask    = 0x1ffffff0,
1357         .features       = PHY_GBIT_FEATURES,
1358         .config_aneg    = rtl8366rb_phy_config_aneg,
1359         .config_init    = rtl8366rb_phy_config_init,
1360         .read_status    = genphy_read_status,
1361         .driver         = {
1362                 .owner = THIS_MODULE,
1363         },
1364 };
1365
1366 static int __devexit rtl8366rb_remove(struct platform_device *pdev)
1367 {
1368         struct rtl8366rb *rtl = platform_get_drvdata(pdev);
1369
1370         if (rtl) {
1371                 rtl8366rb_switch_cleanup(rtl);
1372                 platform_set_drvdata(pdev, NULL);
1373                 rtl8366_smi_cleanup(&rtl->smi);
1374                 kfree(rtl);
1375         }
1376
1377         return 0;
1378 }
1379
1380 static struct platform_driver rtl8366rb_driver = {
1381         .driver = {
1382                 .name           = RTL8366RB_DRIVER_NAME,
1383                 .owner          = THIS_MODULE,
1384         },
1385         .probe          = rtl8366rb_probe,
1386         .remove         = __devexit_p(rtl8366rb_remove),
1387 };
1388
1389 static int __init rtl8366rb_module_init(void)
1390 {
1391         int ret;
1392         ret = platform_driver_register(&rtl8366rb_driver);
1393         if (ret)
1394                 return ret;
1395
1396         ret = phy_driver_register(&rtl8366rb_phy_driver);
1397         if (ret)
1398                 goto err_platform_unregister;
1399
1400         return 0;
1401
1402  err_platform_unregister:
1403         platform_driver_unregister(&rtl8366rb_driver);
1404         return ret;
1405 }
1406 module_init(rtl8366rb_module_init);
1407
1408 static void __exit rtl8366rb_module_exit(void)
1409 {
1410         phy_driver_unregister(&rtl8366rb_phy_driver);
1411         platform_driver_unregister(&rtl8366rb_driver);
1412 }
1413 module_exit(rtl8366rb_module_exit);
1414
1415 MODULE_DESCRIPTION(RTL8366RB_DRIVER_DESC);
1416 MODULE_VERSION(RTL8366RB_DRIVER_VER);
1417 MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>");
1418 MODULE_AUTHOR("Antti Seppälä <a.seppala@gmail.com>");
1419 MODULE_LICENSE("GPL v2");
1420 MODULE_ALIAS("platform:" RTL8366RB_DRIVER_NAME);