2 * Platform driver for the Realtek RTL8366RB ethernet switch
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>
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.
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/rtl8366.h>
21 #include "rtl8366_smi.h"
23 #define RTL8366RB_DRIVER_DESC "Realtek RTL8366RB ethernet switch driver"
24 #define RTL8366RB_DRIVER_VER "0.2.3"
26 #define RTL8366RB_PHY_NO_MAX 4
27 #define RTL8366RB_PHY_PAGE_MAX 7
28 #define RTL8366RB_PHY_ADDR_MAX 31
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)
42 /* Port Enable Control register */
43 #define RTL8366RB_PECR 0x0001
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)
51 #define RTL8366RB_RESET_CTRL_REG 0x0100
52 #define RTL8366RB_CHIP_CTRL_RESET_HW 1
53 #define RTL8366RB_CHIP_CTRL_RESET_SW (1 << 1)
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
60 /* PHY registers control */
61 #define RTL8366RB_PHY_ACCESS_CTRL_REG 0x8000
62 #define RTL8366RB_PHY_ACCESS_DATA_REG 0x8002
64 #define RTL8366RB_PHY_CTRL_READ 1
65 #define RTL8366RB_PHY_CTRL_WRITE 0
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)
73 #define RTL8366RB_VLAN_INGRESS_CTRL2_REG 0x037f
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
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
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)
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))
102 #define RTL8366RB_VLAN_TABLE_READ_BASE 0x018C
103 #define RTL8366RB_VLAN_TABLE_WRITE_BASE 0x0185
106 #define RTL8366RB_TABLE_ACCESS_CTRL_REG 0x0180
107 #define RTL8366RB_TABLE_VLAN_READ_CTRL 0x0E01
108 #define RTL8366RB_TABLE_VLAN_WRITE_CTRL 0x0F01
110 #define RTL8366RB_VLAN_MC_BASE(_x) (0x0020 + (_x) * 3)
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
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
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 */
137 #define RTL8366RB_PORT_CPU (1 << 5) /* CPU port */
139 #define RTL8366RB_PORT_ALL (RTL8366RB_PORT_1 | \
146 #define RTL8366RB_PORT_ALL_BUT_CPU (RTL8366RB_PORT_1 | \
152 #define RTL8366RB_PORT_ALL_EXTERNAL (RTL8366RB_PORT_1 | \
157 #define RTL8366RB_PORT_ALL_INTERNAL RTL8366RB_PORT_CPU
159 #define RTL8366RB_VLAN_VID_MASK 0xfff
160 #define RTL8366RB_VLAN_PRIORITY_SHIFT 12
161 #define RTL8366RB_VLAN_PRIORITY_MASK 0x7
162 #define RTL8366RB_VLAN_UNTAG_SHIFT 8
163 #define RTL8366RB_VLAN_UNTAG_MASK 0xff
164 #define RTL8366RB_VLAN_MEMBER_MASK 0xff
165 #define RTL8366RB_VLAN_FID_MASK 0x7
168 /* Port ingress bandwidth control */
169 #define RTL8366RB_IB_BASE 0x0200
170 #define RTL8366RB_IB_REG(pnum) (RTL8366RB_IB_BASE + pnum)
171 #define RTL8366RB_IB_BDTH_MASK 0x3fff
172 #define RTL8366RB_IB_PREIFG_OFFSET 14
173 #define RTL8366RB_IB_PREIFG_MASK (1 << RTL8366RB_IB_PREIFG_OFFSET)
175 /* Port egress bandwidth control */
176 #define RTL8366RB_EB_BASE 0x02d1
177 #define RTL8366RB_EB_REG(pnum) (RTL8366RB_EB_BASE + pnum)
178 #define RTL8366RB_EB_BDTH_MASK 0x3fff
179 #define RTL8366RB_EB_PREIFG_REG 0x02f8
180 #define RTL8366RB_EB_PREIFG_OFFSET 9
181 #define RTL8366RB_EB_PREIFG_MASK (1 << RTL8366RB_EB_PREIFG_OFFSET)
183 #define RTL8366RB_BDTH_SW_MAX 1048512
184 #define RTL8366RB_BDTH_UNIT 64
185 #define RTL8366RB_BDTH_REG_DEFAULT 16383
188 #define RTL8366RB_QOS_BIT 15
189 #define RTL8366RB_QOS_MASK (1 << RTL8366RB_QOS_BIT)
190 /* Include/Exclude Preamble and IFG (20 bytes). 0:Exclude, 1:Include. */
191 #define RTL8366RB_QOS_DEFAULT_PREIFG 1
194 static struct rtl8366_mib_counter rtl8366rb_mib_counters[] = {
195 { 0, 0, 4, "IfInOctets" },
196 { 0, 4, 4, "EtherStatsOctets" },
197 { 0, 8, 2, "EtherStatsUnderSizePkts" },
198 { 0, 10, 2, "EtherFragments" },
199 { 0, 12, 2, "EtherStatsPkts64Octets" },
200 { 0, 14, 2, "EtherStatsPkts65to127Octets" },
201 { 0, 16, 2, "EtherStatsPkts128to255Octets" },
202 { 0, 18, 2, "EtherStatsPkts256to511Octets" },
203 { 0, 20, 2, "EtherStatsPkts512to1023Octets" },
204 { 0, 22, 2, "EtherStatsPkts1024to1518Octets" },
205 { 0, 24, 2, "EtherOversizeStats" },
206 { 0, 26, 2, "EtherStatsJabbers" },
207 { 0, 28, 2, "IfInUcastPkts" },
208 { 0, 30, 2, "EtherStatsMulticastPkts" },
209 { 0, 32, 2, "EtherStatsBroadcastPkts" },
210 { 0, 34, 2, "EtherStatsDropEvents" },
211 { 0, 36, 2, "Dot3StatsFCSErrors" },
212 { 0, 38, 2, "Dot3StatsSymbolErrors" },
213 { 0, 40, 2, "Dot3InPauseFrames" },
214 { 0, 42, 2, "Dot3ControlInUnknownOpcodes" },
215 { 0, 44, 4, "IfOutOctets" },
216 { 0, 48, 2, "Dot3StatsSingleCollisionFrames" },
217 { 0, 50, 2, "Dot3StatMultipleCollisionFrames" },
218 { 0, 52, 2, "Dot3sDeferredTransmissions" },
219 { 0, 54, 2, "Dot3StatsLateCollisions" },
220 { 0, 56, 2, "EtherStatsCollisions" },
221 { 0, 58, 2, "Dot3StatsExcessiveCollisions" },
222 { 0, 60, 2, "Dot3OutPauseFrames" },
223 { 0, 62, 2, "Dot1dBasePortDelayExceededDiscards" },
224 { 0, 64, 2, "Dot1dTpPortInDiscards" },
225 { 0, 66, 2, "IfOutUcastPkts" },
226 { 0, 68, 2, "IfOutMulticastPkts" },
227 { 0, 70, 2, "IfOutBroadcastPkts" },
230 #define REG_WR(_smi, _reg, _val) \
232 err = rtl8366_smi_write_reg(_smi, _reg, _val); \
237 #define REG_RMW(_smi, _reg, _mask, _val) \
239 err = rtl8366_smi_rmwr(_smi, _reg, _mask, _val); \
244 static int rtl8366rb_reset_chip(struct rtl8366_smi *smi)
249 rtl8366_smi_write_reg(smi, RTL8366RB_RESET_CTRL_REG,
250 RTL8366RB_CHIP_CTRL_RESET_HW);
253 if (rtl8366_smi_read_reg(smi, RTL8366RB_RESET_CTRL_REG, &data))
256 if (!(data & RTL8366RB_CHIP_CTRL_RESET_HW))
261 printk("Timeout waiting for the switch to reset\n");
268 static int rtl8366rb_hw_init(struct rtl8366_smi *smi)
272 /* set maximum packet length to 1536 bytes */
273 REG_RMW(smi, RTL8366RB_SGCR, RTL8366RB_SGCR_MAX_LENGTH_MASK,
274 RTL8366RB_SGCR_MAX_LENGTH_1536);
276 /* enable learning for all ports */
277 REG_WR(smi, RTL8366RB_SSCR0, 0);
279 /* enable auto ageing for all ports */
280 REG_WR(smi, RTL8366RB_SSCR1, 0);
283 * discard VLAN tagged packets if the port is not a member of
284 * the VLAN with which the packets is associated.
286 REG_WR(smi, RTL8366RB_VLAN_INGRESS_CTRL2_REG, RTL8366RB_PORT_ALL);
288 /* don't drop packets whose DA has not been learned */
289 REG_RMW(smi, RTL8366RB_SSCR2, RTL8366RB_SSCR2_DROP_UNKNOWN_DA, 0);
294 static int rtl8366rb_read_phy_reg(struct rtl8366_smi *smi,
295 u32 phy_no, u32 page, u32 addr, u32 *data)
300 if (phy_no > RTL8366RB_PHY_NO_MAX)
303 if (page > RTL8366RB_PHY_PAGE_MAX)
306 if (addr > RTL8366RB_PHY_ADDR_MAX)
309 ret = rtl8366_smi_write_reg(smi, RTL8366RB_PHY_ACCESS_CTRL_REG,
310 RTL8366RB_PHY_CTRL_READ);
314 reg = 0x8000 | (1 << (phy_no + RTL8366RB_PHY_NO_OFFSET)) |
315 ((page << RTL8366RB_PHY_PAGE_OFFSET) & RTL8366RB_PHY_PAGE_MASK) |
316 (addr & RTL8366RB_PHY_REG_MASK);
318 ret = rtl8366_smi_write_reg(smi, reg, 0);
322 ret = rtl8366_smi_read_reg(smi, RTL8366RB_PHY_ACCESS_DATA_REG, data);
329 static int rtl8366rb_write_phy_reg(struct rtl8366_smi *smi,
330 u32 phy_no, u32 page, u32 addr, u32 data)
335 if (phy_no > RTL8366RB_PHY_NO_MAX)
338 if (page > RTL8366RB_PHY_PAGE_MAX)
341 if (addr > RTL8366RB_PHY_ADDR_MAX)
344 ret = rtl8366_smi_write_reg(smi, RTL8366RB_PHY_ACCESS_CTRL_REG,
345 RTL8366RB_PHY_CTRL_WRITE);
349 reg = 0x8000 | (1 << (phy_no + RTL8366RB_PHY_NO_OFFSET)) |
350 ((page << RTL8366RB_PHY_PAGE_OFFSET) & RTL8366RB_PHY_PAGE_MASK) |
351 (addr & RTL8366RB_PHY_REG_MASK);
353 ret = rtl8366_smi_write_reg(smi, reg, data);
360 static int rtl8366rb_get_mib_counter(struct rtl8366_smi *smi, int counter,
361 int port, unsigned long long *val)
368 if (port > RTL8366RB_NUM_PORTS || counter >= RTL8366RB_MIB_COUNT)
371 addr = RTL8366RB_MIB_COUNTER_BASE +
372 RTL8366RB_MIB_COUNTER_PORT_OFFSET * (port) +
373 rtl8366rb_mib_counters[counter].offset;
376 * Writing access counter address first
377 * then ASIC will prepare 64bits counter wait for being retrived
379 data = 0; /* writing data will be discard by ASIC */
380 err = rtl8366_smi_write_reg(smi, addr, data);
384 /* read MIB control register */
385 err = rtl8366_smi_read_reg(smi, RTL8366RB_MIB_CTRL_REG, &data);
389 if (data & RTL8366RB_MIB_CTRL_BUSY_MASK)
392 if (data & RTL8366RB_MIB_CTRL_RESET_MASK)
396 for (i = rtl8366rb_mib_counters[counter].length; i > 0; i--) {
397 err = rtl8366_smi_read_reg(smi, addr + (i - 1), &data);
401 mibvalue = (mibvalue << 16) | (data & 0xFFFF);
408 static int rtl8366rb_get_vlan_4k(struct rtl8366_smi *smi, u32 vid,
409 struct rtl8366_vlan_4k *vlan4k)
415 memset(vlan4k, '\0', sizeof(struct rtl8366_vlan_4k));
417 if (vid >= RTL8366RB_NUM_VIDS)
421 err = rtl8366_smi_write_reg(smi, RTL8366RB_VLAN_TABLE_WRITE_BASE,
422 vid & RTL8366RB_VLAN_VID_MASK);
426 /* write table access control word */
427 err = rtl8366_smi_write_reg(smi, RTL8366RB_TABLE_ACCESS_CTRL_REG,
428 RTL8366RB_TABLE_VLAN_READ_CTRL);
432 for (i = 0; i < 3; i++) {
433 err = rtl8366_smi_read_reg(smi,
434 RTL8366RB_VLAN_TABLE_READ_BASE + i,
441 vlan4k->untag = (data[1] >> RTL8366RB_VLAN_UNTAG_SHIFT) &
442 RTL8366RB_VLAN_UNTAG_MASK;
443 vlan4k->member = data[1] & RTL8366RB_VLAN_MEMBER_MASK;
444 vlan4k->fid = data[2] & RTL8366RB_VLAN_FID_MASK;
449 static int rtl8366rb_set_vlan_4k(struct rtl8366_smi *smi,
450 const struct rtl8366_vlan_4k *vlan4k)
456 if (vlan4k->vid >= RTL8366RB_NUM_VIDS ||
457 vlan4k->member > RTL8366RB_VLAN_MEMBER_MASK ||
458 vlan4k->untag > RTL8366RB_VLAN_UNTAG_MASK ||
459 vlan4k->fid > RTL8366RB_FIDMAX)
462 data[0] = vlan4k->vid & RTL8366RB_VLAN_VID_MASK;
463 data[1] = (vlan4k->member & RTL8366RB_VLAN_MEMBER_MASK) |
464 ((vlan4k->untag & RTL8366RB_VLAN_UNTAG_MASK) <<
465 RTL8366RB_VLAN_UNTAG_SHIFT);
466 data[2] = vlan4k->fid & RTL8366RB_VLAN_FID_MASK;
468 for (i = 0; i < 3; i++) {
469 err = rtl8366_smi_write_reg(smi,
470 RTL8366RB_VLAN_TABLE_WRITE_BASE + i,
476 /* write table access control word */
477 err = rtl8366_smi_write_reg(smi, RTL8366RB_TABLE_ACCESS_CTRL_REG,
478 RTL8366RB_TABLE_VLAN_WRITE_CTRL);
483 static int rtl8366rb_get_vlan_mc(struct rtl8366_smi *smi, u32 index,
484 struct rtl8366_vlan_mc *vlanmc)
490 memset(vlanmc, '\0', sizeof(struct rtl8366_vlan_mc));
492 if (index >= RTL8366RB_NUM_VLANS)
495 for (i = 0; i < 3; i++) {
496 err = rtl8366_smi_read_reg(smi,
497 RTL8366RB_VLAN_MC_BASE(index) + i,
503 vlanmc->vid = data[0] & RTL8366RB_VLAN_VID_MASK;
504 vlanmc->priority = (data[0] >> RTL8366RB_VLAN_PRIORITY_SHIFT) &
505 RTL8366RB_VLAN_PRIORITY_MASK;
506 vlanmc->untag = (data[1] >> RTL8366RB_VLAN_UNTAG_SHIFT) &
507 RTL8366RB_VLAN_UNTAG_MASK;
508 vlanmc->member = data[1] & RTL8366RB_VLAN_MEMBER_MASK;
509 vlanmc->fid = data[2] & RTL8366RB_VLAN_FID_MASK;
514 static int rtl8366rb_set_vlan_mc(struct rtl8366_smi *smi, u32 index,
515 const struct rtl8366_vlan_mc *vlanmc)
521 if (index >= RTL8366RB_NUM_VLANS ||
522 vlanmc->vid >= RTL8366RB_NUM_VIDS ||
523 vlanmc->priority > RTL8366RB_PRIORITYMAX ||
524 vlanmc->member > RTL8366RB_VLAN_MEMBER_MASK ||
525 vlanmc->untag > RTL8366RB_VLAN_UNTAG_MASK ||
526 vlanmc->fid > RTL8366RB_FIDMAX)
529 data[0] = (vlanmc->vid & RTL8366RB_VLAN_VID_MASK) |
530 ((vlanmc->priority & RTL8366RB_VLAN_PRIORITY_MASK) <<
531 RTL8366RB_VLAN_PRIORITY_SHIFT);
532 data[1] = (vlanmc->member & RTL8366RB_VLAN_MEMBER_MASK) |
533 ((vlanmc->untag & RTL8366RB_VLAN_UNTAG_MASK) <<
534 RTL8366RB_VLAN_UNTAG_SHIFT);
535 data[2] = vlanmc->fid & RTL8366RB_VLAN_FID_MASK;
537 for (i = 0; i < 3; i++) {
538 err = rtl8366_smi_write_reg(smi,
539 RTL8366RB_VLAN_MC_BASE(index) + i,
548 static int rtl8366rb_get_mc_index(struct rtl8366_smi *smi, int port, int *val)
553 if (port >= RTL8366RB_NUM_PORTS)
556 err = rtl8366_smi_read_reg(smi, RTL8366RB_PORT_VLAN_CTRL_REG(port),
561 *val = (data >> RTL8366RB_PORT_VLAN_CTRL_SHIFT(port)) &
562 RTL8366RB_PORT_VLAN_CTRL_MASK;
568 static int rtl8366rb_set_mc_index(struct rtl8366_smi *smi, int port, int index)
570 if (port >= RTL8366RB_NUM_PORTS || index >= RTL8366RB_NUM_VLANS)
573 return rtl8366_smi_rmwr(smi, RTL8366RB_PORT_VLAN_CTRL_REG(port),
574 RTL8366RB_PORT_VLAN_CTRL_MASK <<
575 RTL8366RB_PORT_VLAN_CTRL_SHIFT(port),
576 (index & RTL8366RB_PORT_VLAN_CTRL_MASK) <<
577 RTL8366RB_PORT_VLAN_CTRL_SHIFT(port));
580 static int rtl8366rb_is_vlan_valid(struct rtl8366_smi *smi, unsigned vlan)
582 unsigned max = RTL8366RB_NUM_VLANS;
584 if (smi->vlan4k_enabled)
585 max = RTL8366RB_NUM_VIDS - 1;
587 if (vlan == 0 || vlan >= max)
593 static int rtl8366rb_enable_vlan(struct rtl8366_smi *smi, int enable)
595 return rtl8366_smi_rmwr(smi, RTL8366RB_SGCR, RTL8366RB_SGCR_EN_VLAN,
596 (enable) ? RTL8366RB_SGCR_EN_VLAN : 0);
599 static int rtl8366rb_enable_vlan4k(struct rtl8366_smi *smi, int enable)
601 return rtl8366_smi_rmwr(smi, RTL8366RB_SGCR,
602 RTL8366RB_SGCR_EN_VLAN_4KTB,
603 (enable) ? RTL8366RB_SGCR_EN_VLAN_4KTB : 0);
606 static int rtl8366rb_enable_port(struct rtl8366_smi *smi, int port, int enable)
608 return rtl8366_smi_rmwr(smi, RTL8366RB_PECR, (1 << port),
609 (enable) ? 0 : (1 << port));
612 static int rtl8366rb_sw_reset_mibs(struct switch_dev *dev,
613 const struct switch_attr *attr,
614 struct switch_val *val)
616 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
618 return rtl8366_smi_rmwr(smi, RTL8366RB_MIB_CTRL_REG, 0,
619 RTL8366RB_MIB_CTRL_GLOBAL_RESET);
622 static int rtl8366rb_sw_get_blinkrate(struct switch_dev *dev,
623 const struct switch_attr *attr,
624 struct switch_val *val)
626 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
629 rtl8366_smi_read_reg(smi, RTL8366RB_LED_BLINKRATE_REG, &data);
631 val->value.i = (data & (RTL8366RB_LED_BLINKRATE_MASK));
636 static int rtl8366rb_sw_set_blinkrate(struct switch_dev *dev,
637 const struct switch_attr *attr,
638 struct switch_val *val)
640 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
642 if (val->value.i >= 6)
645 return rtl8366_smi_rmwr(smi, RTL8366RB_LED_BLINKRATE_REG,
646 RTL8366RB_LED_BLINKRATE_MASK,
650 static int rtl8366rb_sw_get_learning_enable(struct switch_dev *dev,
651 const struct switch_attr *attr,
652 struct switch_val *val)
654 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
657 rtl8366_smi_read_reg(smi, RTL8366RB_SSCR0, &data);
658 val->value.i = !data;
664 static int rtl8366rb_sw_set_learning_enable(struct switch_dev *dev,
665 const struct switch_attr *attr,
666 struct switch_val *val)
668 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
673 portmask = RTL8366RB_PORT_ALL;
675 /* set learning for all ports */
676 REG_WR(smi, RTL8366RB_SSCR0, portmask);
678 /* set auto ageing for all ports */
679 REG_WR(smi, RTL8366RB_SSCR1, portmask);
685 static const char *rtl8366rb_speed_str(unsigned speed)
699 static int rtl8366rb_sw_get_port_link(struct switch_dev *dev,
700 const struct switch_attr *attr,
701 struct switch_val *val)
703 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
704 u32 len = 0, data = 0;
706 if (val->port_vlan >= RTL8366RB_NUM_PORTS)
709 memset(smi->buf, '\0', sizeof(smi->buf));
710 rtl8366_smi_read_reg(smi, RTL8366RB_PORT_LINK_STATUS_BASE +
711 (val->port_vlan / 2), &data);
713 if (val->port_vlan % 2)
716 if (data & RTL8366RB_PORT_STATUS_LINK_MASK) {
717 len = snprintf(smi->buf, sizeof(smi->buf),
718 "port:%d link:up speed:%s %s-duplex %s%s%s",
720 rtl8366rb_speed_str(data &
721 RTL8366RB_PORT_STATUS_SPEED_MASK),
722 (data & RTL8366RB_PORT_STATUS_DUPLEX_MASK) ?
724 (data & RTL8366RB_PORT_STATUS_TXPAUSE_MASK) ?
726 (data & RTL8366RB_PORT_STATUS_RXPAUSE_MASK) ?
728 (data & RTL8366RB_PORT_STATUS_AN_MASK) ?
731 len = snprintf(smi->buf, sizeof(smi->buf), "port:%d link: down",
735 val->value.s = smi->buf;
741 static int rtl8366rb_sw_set_port_led(struct switch_dev *dev,
742 const struct switch_attr *attr,
743 struct switch_val *val)
745 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
750 if (val->port_vlan >= RTL8366RB_NUM_PORTS)
753 if (val->port_vlan == RTL8366RB_PORT_NUM_CPU) {
754 reg = RTL8366RB_LED_BLINKRATE_REG;
756 data = val->value.i << 4;
758 reg = RTL8366RB_LED_CTRL_REG;
759 mask = 0xF << (val->port_vlan * 4),
760 data = val->value.i << (val->port_vlan * 4);
763 return rtl8366_smi_rmwr(smi, reg, mask, data);
766 static int rtl8366rb_sw_get_port_led(struct switch_dev *dev,
767 const struct switch_attr *attr,
768 struct switch_val *val)
770 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
773 if (val->port_vlan >= RTL8366RB_NUM_LEDGROUPS)
776 rtl8366_smi_read_reg(smi, RTL8366RB_LED_CTRL_REG, &data);
777 val->value.i = (data >> (val->port_vlan * 4)) & 0x000F;
782 static int rtl8366rb_sw_set_port_disable(struct switch_dev *dev,
783 const struct switch_attr *attr,
784 struct switch_val *val)
786 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
789 if (val->port_vlan >= RTL8366RB_NUM_PORTS)
792 mask = 1 << val->port_vlan ;
798 return rtl8366_smi_rmwr(smi, RTL8366RB_PECR, mask, data);
801 static int rtl8366rb_sw_get_port_disable(struct switch_dev *dev,
802 const struct switch_attr *attr,
803 struct switch_val *val)
805 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
808 if (val->port_vlan >= RTL8366RB_NUM_PORTS)
811 rtl8366_smi_read_reg(smi, RTL8366RB_PECR, &data);
812 if (data & (1 << val->port_vlan))
820 static int rtl8366rb_sw_set_port_rate_in(struct switch_dev *dev,
821 const struct switch_attr *attr,
822 struct switch_val *val)
824 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
826 if (val->port_vlan >= RTL8366RB_NUM_PORTS)
829 if (val->value.i > 0 && val->value.i < RTL8366RB_BDTH_SW_MAX)
830 val->value.i = (val->value.i - 1) / RTL8366RB_BDTH_UNIT;
832 val->value.i = RTL8366RB_BDTH_REG_DEFAULT;
834 return rtl8366_smi_rmwr(smi, RTL8366RB_IB_REG(val->port_vlan),
835 RTL8366RB_IB_BDTH_MASK | RTL8366RB_IB_PREIFG_MASK,
837 (RTL8366RB_QOS_DEFAULT_PREIFG << RTL8366RB_IB_PREIFG_OFFSET));
841 static int rtl8366rb_sw_get_port_rate_in(struct switch_dev *dev,
842 const struct switch_attr *attr,
843 struct switch_val *val)
845 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
848 if (val->port_vlan >= RTL8366RB_NUM_PORTS)
851 rtl8366_smi_read_reg(smi, RTL8366RB_IB_REG(val->port_vlan), &data);
852 data &= RTL8366RB_IB_BDTH_MASK;
853 if (data < RTL8366RB_IB_BDTH_MASK)
856 val->value.i = (int)data * RTL8366RB_BDTH_UNIT;
861 static int rtl8366rb_sw_set_port_rate_out(struct switch_dev *dev,
862 const struct switch_attr *attr,
863 struct switch_val *val)
865 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
867 if (val->port_vlan >= RTL8366RB_NUM_PORTS)
870 rtl8366_smi_rmwr(smi, RTL8366RB_EB_PREIFG_REG,
871 RTL8366RB_EB_PREIFG_MASK,
872 (RTL8366RB_QOS_DEFAULT_PREIFG << RTL8366RB_EB_PREIFG_OFFSET));
874 if (val->value.i > 0 && val->value.i < RTL8366RB_BDTH_SW_MAX)
875 val->value.i = (val->value.i - 1) / RTL8366RB_BDTH_UNIT;
877 val->value.i = RTL8366RB_BDTH_REG_DEFAULT;
879 return rtl8366_smi_rmwr(smi, RTL8366RB_EB_REG(val->port_vlan),
880 RTL8366RB_EB_BDTH_MASK, val->value.i );
884 static int rtl8366rb_sw_get_port_rate_out(struct switch_dev *dev,
885 const struct switch_attr *attr,
886 struct switch_val *val)
888 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
891 if (val->port_vlan >= RTL8366RB_NUM_PORTS)
894 rtl8366_smi_read_reg(smi, RTL8366RB_EB_REG(val->port_vlan), &data);
895 data &= RTL8366RB_EB_BDTH_MASK;
896 if (data < RTL8366RB_EB_BDTH_MASK)
899 val->value.i = (int)data * RTL8366RB_BDTH_UNIT;
904 static int rtl8366rb_sw_set_qos_enable(struct switch_dev *dev,
905 const struct switch_attr *attr,
906 struct switch_val *val)
908 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
912 data = RTL8366RB_QOS_MASK;
916 return rtl8366_smi_rmwr(smi, RTL8366RB_SGCR, RTL8366RB_QOS_MASK, data);
919 static int rtl8366rb_sw_get_qos_enable(struct switch_dev *dev,
920 const struct switch_attr *attr,
921 struct switch_val *val)
923 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
926 rtl8366_smi_read_reg(smi, RTL8366RB_SGCR, &data);
927 if (data & RTL8366RB_QOS_MASK)
935 static int rtl8366rb_sw_reset_port_mibs(struct switch_dev *dev,
936 const struct switch_attr *attr,
937 struct switch_val *val)
939 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
941 if (val->port_vlan >= RTL8366RB_NUM_PORTS)
944 return rtl8366_smi_rmwr(smi, RTL8366RB_MIB_CTRL_REG, 0,
945 RTL8366RB_MIB_CTRL_PORT_RESET(val->port_vlan));
948 static int rtl8366rb_sw_reset_switch(struct switch_dev *dev)
950 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
953 err = rtl8366rb_reset_chip(smi);
957 err = rtl8366rb_hw_init(smi);
961 err = rtl8366_reset_vlan(smi);
965 err = rtl8366_enable_vlan(smi, 1);
969 return rtl8366_enable_all_ports(smi, 1);
972 static struct switch_attr rtl8366rb_globals[] = {
974 .type = SWITCH_TYPE_INT,
975 .name = "enable_learning",
976 .description = "Enable learning, enable aging",
977 .set = rtl8366rb_sw_set_learning_enable,
978 .get = rtl8366rb_sw_get_learning_enable,
981 .type = SWITCH_TYPE_INT,
982 .name = "enable_vlan",
983 .description = "Enable VLAN mode",
984 .set = rtl8366_sw_set_vlan_enable,
985 .get = rtl8366_sw_get_vlan_enable,
989 .type = SWITCH_TYPE_INT,
990 .name = "enable_vlan4k",
991 .description = "Enable VLAN 4K mode",
992 .set = rtl8366_sw_set_vlan_enable,
993 .get = rtl8366_sw_get_vlan_enable,
997 .type = SWITCH_TYPE_NOVAL,
998 .name = "reset_mibs",
999 .description = "Reset all MIB counters",
1000 .set = rtl8366rb_sw_reset_mibs,
1002 .type = SWITCH_TYPE_INT,
1003 .name = "blinkrate",
1004 .description = "Get/Set LED blinking rate (0 = 43ms, 1 = 84ms,"
1005 " 2 = 120ms, 3 = 170ms, 4 = 340ms, 5 = 670ms)",
1006 .set = rtl8366rb_sw_set_blinkrate,
1007 .get = rtl8366rb_sw_get_blinkrate,
1010 .type = SWITCH_TYPE_INT,
1011 .name = "enable_qos",
1012 .description = "Enable QOS",
1013 .set = rtl8366rb_sw_set_qos_enable,
1014 .get = rtl8366rb_sw_get_qos_enable,
1019 static struct switch_attr rtl8366rb_port[] = {
1021 .type = SWITCH_TYPE_STRING,
1023 .description = "Get port link information",
1026 .get = rtl8366rb_sw_get_port_link,
1028 .type = SWITCH_TYPE_NOVAL,
1029 .name = "reset_mib",
1030 .description = "Reset single port MIB counters",
1031 .set = rtl8366rb_sw_reset_port_mibs,
1033 .type = SWITCH_TYPE_STRING,
1035 .description = "Get MIB counters for port",
1038 .get = rtl8366_sw_get_port_mib,
1040 .type = SWITCH_TYPE_INT,
1042 .description = "Get/Set port group (0 - 3) led mode (0 - 15)",
1044 .set = rtl8366rb_sw_set_port_led,
1045 .get = rtl8366rb_sw_get_port_led,
1047 .type = SWITCH_TYPE_INT,
1049 .description = "Get/Set port state (enabled or disabled)",
1051 .set = rtl8366rb_sw_set_port_disable,
1052 .get = rtl8366rb_sw_get_port_disable,
1054 .type = SWITCH_TYPE_INT,
1056 .description = "Get/Set port ingress (incoming) bandwidth limit in kbps",
1057 .max = RTL8366RB_BDTH_SW_MAX,
1058 .set = rtl8366rb_sw_set_port_rate_in,
1059 .get = rtl8366rb_sw_get_port_rate_in,
1061 .type = SWITCH_TYPE_INT,
1063 .description = "Get/Set port egress (outgoing) bandwidth limit in kbps",
1064 .max = RTL8366RB_BDTH_SW_MAX,
1065 .set = rtl8366rb_sw_set_port_rate_out,
1066 .get = rtl8366rb_sw_get_port_rate_out,
1070 static struct switch_attr rtl8366rb_vlan[] = {
1072 .type = SWITCH_TYPE_STRING,
1074 .description = "Get vlan information",
1077 .get = rtl8366_sw_get_vlan_info,
1079 .type = SWITCH_TYPE_INT,
1081 .description = "Get/Set vlan FID",
1082 .max = RTL8366RB_FIDMAX,
1083 .set = rtl8366_sw_set_vlan_fid,
1084 .get = rtl8366_sw_get_vlan_fid,
1088 static const struct switch_dev_ops rtl8366_ops = {
1090 .attr = rtl8366rb_globals,
1091 .n_attr = ARRAY_SIZE(rtl8366rb_globals),
1094 .attr = rtl8366rb_port,
1095 .n_attr = ARRAY_SIZE(rtl8366rb_port),
1098 .attr = rtl8366rb_vlan,
1099 .n_attr = ARRAY_SIZE(rtl8366rb_vlan),
1102 .get_vlan_ports = rtl8366_sw_get_vlan_ports,
1103 .set_vlan_ports = rtl8366_sw_set_vlan_ports,
1104 .get_port_pvid = rtl8366_sw_get_port_pvid,
1105 .set_port_pvid = rtl8366_sw_set_port_pvid,
1106 .reset_switch = rtl8366rb_sw_reset_switch,
1109 static int rtl8366rb_switch_init(struct rtl8366_smi *smi)
1111 struct switch_dev *dev = &smi->sw_dev;
1114 dev->name = "RTL8366RB";
1115 dev->cpu_port = RTL8366RB_PORT_NUM_CPU;
1116 dev->ports = RTL8366RB_NUM_PORTS;
1117 dev->vlans = RTL8366RB_NUM_VIDS;
1118 dev->ops = &rtl8366_ops;
1119 dev->alias = dev_name(smi->parent);
1121 err = register_switch(dev, NULL);
1123 dev_err(smi->parent, "switch registration failed\n");
1128 static void rtl8366rb_switch_cleanup(struct rtl8366_smi *smi)
1130 unregister_switch(&smi->sw_dev);
1133 static int rtl8366rb_mii_read(struct mii_bus *bus, int addr, int reg)
1135 struct rtl8366_smi *smi = bus->priv;
1139 err = rtl8366rb_read_phy_reg(smi, addr, 0, reg, &val);
1146 static int rtl8366rb_mii_write(struct mii_bus *bus, int addr, int reg, u16 val)
1148 struct rtl8366_smi *smi = bus->priv;
1152 err = rtl8366rb_write_phy_reg(smi, addr, 0, reg, val);
1154 (void) rtl8366rb_read_phy_reg(smi, addr, 0, reg, &t);
1159 static int rtl8366rb_setup(struct rtl8366_smi *smi)
1163 ret = rtl8366rb_reset_chip(smi);
1167 ret = rtl8366rb_hw_init(smi);
1171 static int rtl8366rb_detect(struct rtl8366_smi *smi)
1177 ret = rtl8366_smi_read_reg(smi, RTL8366RB_CHIP_ID_REG, &chip_id);
1179 dev_err(smi->parent, "unable to read chip id\n");
1184 case RTL8366RB_CHIP_ID_8366:
1187 dev_err(smi->parent, "unknown chip id (%04x)\n", chip_id);
1191 ret = rtl8366_smi_read_reg(smi, RTL8366RB_CHIP_VERSION_CTRL_REG,
1194 dev_err(smi->parent, "unable to read chip version\n");
1198 dev_info(smi->parent, "RTL%04x ver. %u chip found\n",
1199 chip_id, chip_ver & RTL8366RB_CHIP_VERSION_MASK);
1204 static struct rtl8366_smi_ops rtl8366rb_smi_ops = {
1205 .detect = rtl8366rb_detect,
1206 .setup = rtl8366rb_setup,
1208 .mii_read = rtl8366rb_mii_read,
1209 .mii_write = rtl8366rb_mii_write,
1211 .get_vlan_mc = rtl8366rb_get_vlan_mc,
1212 .set_vlan_mc = rtl8366rb_set_vlan_mc,
1213 .get_vlan_4k = rtl8366rb_get_vlan_4k,
1214 .set_vlan_4k = rtl8366rb_set_vlan_4k,
1215 .get_mc_index = rtl8366rb_get_mc_index,
1216 .set_mc_index = rtl8366rb_set_mc_index,
1217 .get_mib_counter = rtl8366rb_get_mib_counter,
1218 .is_vlan_valid = rtl8366rb_is_vlan_valid,
1219 .enable_vlan = rtl8366rb_enable_vlan,
1220 .enable_vlan4k = rtl8366rb_enable_vlan4k,
1221 .enable_port = rtl8366rb_enable_port,
1224 static int __devinit rtl8366rb_probe(struct platform_device *pdev)
1226 static int rtl8366_smi_version_printed;
1227 struct rtl8366_platform_data *pdata;
1228 struct rtl8366_smi *smi;
1231 if (!rtl8366_smi_version_printed++)
1232 printk(KERN_NOTICE RTL8366RB_DRIVER_DESC
1233 " version " RTL8366RB_DRIVER_VER"\n");
1235 pdata = pdev->dev.platform_data;
1237 dev_err(&pdev->dev, "no platform data specified\n");
1242 smi = rtl8366_smi_alloc(&pdev->dev);
1248 smi->gpio_sda = pdata->gpio_sda;
1249 smi->gpio_sck = pdata->gpio_sck;
1250 smi->ops = &rtl8366rb_smi_ops;
1251 smi->cpu_port = RTL8366RB_PORT_NUM_CPU;
1252 smi->num_ports = RTL8366RB_NUM_PORTS;
1253 smi->num_vlan_mc = RTL8366RB_NUM_VLANS;
1254 smi->mib_counters = rtl8366rb_mib_counters;
1255 smi->num_mib_counters = ARRAY_SIZE(rtl8366rb_mib_counters);
1257 err = rtl8366_smi_init(smi);
1261 platform_set_drvdata(pdev, smi);
1263 err = rtl8366rb_switch_init(smi);
1265 goto err_clear_drvdata;
1270 platform_set_drvdata(pdev, NULL);
1271 rtl8366_smi_cleanup(smi);
1278 static int __devexit rtl8366rb_remove(struct platform_device *pdev)
1280 struct rtl8366_smi *smi = platform_get_drvdata(pdev);
1283 rtl8366rb_switch_cleanup(smi);
1284 platform_set_drvdata(pdev, NULL);
1285 rtl8366_smi_cleanup(smi);
1292 static struct platform_driver rtl8366rb_driver = {
1294 .name = RTL8366RB_DRIVER_NAME,
1295 .owner = THIS_MODULE,
1297 .probe = rtl8366rb_probe,
1298 .remove = __devexit_p(rtl8366rb_remove),
1301 static int __init rtl8366rb_module_init(void)
1303 return platform_driver_register(&rtl8366rb_driver);
1305 module_init(rtl8366rb_module_init);
1307 static void __exit rtl8366rb_module_exit(void)
1309 platform_driver_unregister(&rtl8366rb_driver);
1311 module_exit(rtl8366rb_module_exit);
1313 MODULE_DESCRIPTION(RTL8366RB_DRIVER_DESC);
1314 MODULE_VERSION(RTL8366RB_DRIVER_VER);
1315 MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>");
1316 MODULE_AUTHOR("Antti Seppälä <a.seppala@gmail.com>");
1317 MODULE_AUTHOR("Roman Yeryomin <roman@advem.lv>");
1318 MODULE_LICENSE("GPL v2");
1319 MODULE_ALIAS("platform:" RTL8366RB_DRIVER_NAME);