2 * Platform driver for the Realtek RTL8366S ethernet switch
4 * Copyright (C) 2009-2010 Gabor Juhos <juhosg@openwrt.org>
5 * Copyright (C) 2010 Antti Seppälä <a.seppala@gmail.com>
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.
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/rtl8366s.h>
20 #include "rtl8366_smi.h"
22 #define RTL8366S_DRIVER_DESC "Realtek RTL8366S ethernet switch driver"
23 #define RTL8366S_DRIVER_VER "0.2.2"
25 #define RTL8366S_PHY_NO_MAX 4
26 #define RTL8366S_PHY_PAGE_MAX 7
27 #define RTL8366S_PHY_ADDR_MAX 31
29 /* Switch Global Configuration register */
30 #define RTL8366S_SGCR 0x0000
31 #define RTL8366S_SGCR_EN_BC_STORM_CTRL BIT(0)
32 #define RTL8366S_SGCR_MAX_LENGTH(_x) (_x << 4)
33 #define RTL8366S_SGCR_MAX_LENGTH_MASK RTL8366S_SGCR_MAX_LENGTH(0x3)
34 #define RTL8366S_SGCR_MAX_LENGTH_1522 RTL8366S_SGCR_MAX_LENGTH(0x0)
35 #define RTL8366S_SGCR_MAX_LENGTH_1536 RTL8366S_SGCR_MAX_LENGTH(0x1)
36 #define RTL8366S_SGCR_MAX_LENGTH_1552 RTL8366S_SGCR_MAX_LENGTH(0x2)
37 #define RTL8366S_SGCR_MAX_LENGTH_16000 RTL8366S_SGCR_MAX_LENGTH(0x3)
38 #define RTL8366S_SGCR_EN_VLAN BIT(13)
40 /* Port Enable Control register */
41 #define RTL8366S_PECR 0x0001
43 /* Switch Security Control registers */
44 #define RTL8366S_SSCR0 0x0002
45 #define RTL8366S_SSCR1 0x0003
46 #define RTL8366S_SSCR2 0x0004
47 #define RTL8366S_SSCR2_DROP_UNKNOWN_DA BIT(0)
49 #define RTL8366S_RESET_CTRL_REG 0x0100
50 #define RTL8366S_CHIP_CTRL_RESET_HW 1
51 #define RTL8366S_CHIP_CTRL_RESET_SW (1 << 1)
53 #define RTL8366S_CHIP_VERSION_CTRL_REG 0x0104
54 #define RTL8366S_CHIP_VERSION_MASK 0xf
55 #define RTL8366S_CHIP_ID_REG 0x0105
56 #define RTL8366S_CHIP_ID_8366 0x8366
58 /* PHY registers control */
59 #define RTL8366S_PHY_ACCESS_CTRL_REG 0x8028
60 #define RTL8366S_PHY_ACCESS_DATA_REG 0x8029
62 #define RTL8366S_PHY_CTRL_READ 1
63 #define RTL8366S_PHY_CTRL_WRITE 0
65 #define RTL8366S_PHY_REG_MASK 0x1f
66 #define RTL8366S_PHY_PAGE_OFFSET 5
67 #define RTL8366S_PHY_PAGE_MASK (0x7 << 5)
68 #define RTL8366S_PHY_NO_OFFSET 9
69 #define RTL8366S_PHY_NO_MASK (0x1f << 9)
71 /* LED control registers */
72 #define RTL8366S_LED_BLINKRATE_REG 0x0420
73 #define RTL8366S_LED_BLINKRATE_BIT 0
74 #define RTL8366S_LED_BLINKRATE_MASK 0x0007
76 #define RTL8366S_LED_CTRL_REG 0x0421
77 #define RTL8366S_LED_0_1_CTRL_REG 0x0422
78 #define RTL8366S_LED_2_3_CTRL_REG 0x0423
80 #define RTL8366S_MIB_COUNT 33
81 #define RTL8366S_GLOBAL_MIB_COUNT 1
82 #define RTL8366S_MIB_COUNTER_PORT_OFFSET 0x0040
83 #define RTL8366S_MIB_COUNTER_BASE 0x1000
84 #define RTL8366S_MIB_COUNTER_PORT_OFFSET2 0x0008
85 #define RTL8366S_MIB_COUNTER_BASE2 0x1180
86 #define RTL8366S_MIB_CTRL_REG 0x11F0
87 #define RTL8366S_MIB_CTRL_USER_MASK 0x01FF
88 #define RTL8366S_MIB_CTRL_BUSY_MASK 0x0001
89 #define RTL8366S_MIB_CTRL_RESET_MASK 0x0002
91 #define RTL8366S_MIB_CTRL_GLOBAL_RESET_MASK 0x0004
92 #define RTL8366S_MIB_CTRL_PORT_RESET_BIT 0x0003
93 #define RTL8366S_MIB_CTRL_PORT_RESET_MASK 0x01FC
96 #define RTL8366S_PORT_VLAN_CTRL_BASE 0x0058
97 #define RTL8366S_PORT_VLAN_CTRL_REG(_p) \
98 (RTL8366S_PORT_VLAN_CTRL_BASE + (_p) / 4)
99 #define RTL8366S_PORT_VLAN_CTRL_MASK 0xf
100 #define RTL8366S_PORT_VLAN_CTRL_SHIFT(_p) (4 * ((_p) % 4))
103 #define RTL8366S_VLAN_TABLE_READ_BASE 0x018B
104 #define RTL8366S_VLAN_TABLE_WRITE_BASE 0x0185
106 #define RTL8366S_VLAN_TB_CTRL_REG 0x010F
108 #define RTL8366S_TABLE_ACCESS_CTRL_REG 0x0180
109 #define RTL8366S_TABLE_VLAN_READ_CTRL 0x0E01
110 #define RTL8366S_TABLE_VLAN_WRITE_CTRL 0x0F01
112 #define RTL8366S_VLAN_MC_BASE(_x) (0x0016 + (_x) * 2)
114 #define RTL8366S_VLAN_MEMBERINGRESS_REG 0x0379
116 #define RTL8366S_PORT_LINK_STATUS_BASE 0x0060
117 #define RTL8366S_PORT_STATUS_SPEED_MASK 0x0003
118 #define RTL8366S_PORT_STATUS_DUPLEX_MASK 0x0004
119 #define RTL8366S_PORT_STATUS_LINK_MASK 0x0010
120 #define RTL8366S_PORT_STATUS_TXPAUSE_MASK 0x0020
121 #define RTL8366S_PORT_STATUS_RXPAUSE_MASK 0x0040
122 #define RTL8366S_PORT_STATUS_AN_MASK 0x0080
125 #define RTL8366S_PORT_NUM_CPU 5
126 #define RTL8366S_NUM_PORTS 6
127 #define RTL8366S_NUM_VLANS 16
128 #define RTL8366S_NUM_LEDGROUPS 4
129 #define RTL8366S_NUM_VIDS 4096
130 #define RTL8366S_PRIORITYMAX 7
131 #define RTL8366S_FIDMAX 7
134 #define RTL8366S_PORT_1 (1 << 0) /* In userspace port 0 */
135 #define RTL8366S_PORT_2 (1 << 1) /* In userspace port 1 */
136 #define RTL8366S_PORT_3 (1 << 2) /* In userspace port 2 */
137 #define RTL8366S_PORT_4 (1 << 3) /* In userspace port 3 */
139 #define RTL8366S_PORT_UNKNOWN (1 << 4) /* No known connection */
140 #define RTL8366S_PORT_CPU (1 << 5) /* CPU port */
142 #define RTL8366S_PORT_ALL (RTL8366S_PORT_1 | \
146 RTL8366S_PORT_UNKNOWN | \
149 #define RTL8366S_PORT_ALL_BUT_CPU (RTL8366S_PORT_1 | \
153 RTL8366S_PORT_UNKNOWN)
155 #define RTL8366S_PORT_ALL_EXTERNAL (RTL8366S_PORT_1 | \
160 #define RTL8366S_PORT_ALL_INTERNAL (RTL8366S_PORT_UNKNOWN | \
163 #define RTL8366S_VLAN_VID_MASK 0xfff
164 #define RTL8366S_VLAN_PRIORITY_SHIFT 12
165 #define RTL8366S_VLAN_PRIORITY_MASK 0x7
166 #define RTL8366S_VLAN_MEMBER_MASK 0x3f
167 #define RTL8366S_VLAN_UNTAG_SHIFT 6
168 #define RTL8366S_VLAN_UNTAG_MASK 0x3f
169 #define RTL8366S_VLAN_FID_SHIFT 12
170 #define RTL8366S_VLAN_FID_MASK 0x7
172 static struct rtl8366_mib_counter rtl8366s_mib_counters[] = {
173 { 0, 0, 4, "IfInOctets" },
174 { 0, 4, 4, "EtherStatsOctets" },
175 { 0, 8, 2, "EtherStatsUnderSizePkts" },
176 { 0, 10, 2, "EtherFragments" },
177 { 0, 12, 2, "EtherStatsPkts64Octets" },
178 { 0, 14, 2, "EtherStatsPkts65to127Octets" },
179 { 0, 16, 2, "EtherStatsPkts128to255Octets" },
180 { 0, 18, 2, "EtherStatsPkts256to511Octets" },
181 { 0, 20, 2, "EtherStatsPkts512to1023Octets" },
182 { 0, 22, 2, "EtherStatsPkts1024to1518Octets" },
183 { 0, 24, 2, "EtherOversizeStats" },
184 { 0, 26, 2, "EtherStatsJabbers" },
185 { 0, 28, 2, "IfInUcastPkts" },
186 { 0, 30, 2, "EtherStatsMulticastPkts" },
187 { 0, 32, 2, "EtherStatsBroadcastPkts" },
188 { 0, 34, 2, "EtherStatsDropEvents" },
189 { 0, 36, 2, "Dot3StatsFCSErrors" },
190 { 0, 38, 2, "Dot3StatsSymbolErrors" },
191 { 0, 40, 2, "Dot3InPauseFrames" },
192 { 0, 42, 2, "Dot3ControlInUnknownOpcodes" },
193 { 0, 44, 4, "IfOutOctets" },
194 { 0, 48, 2, "Dot3StatsSingleCollisionFrames" },
195 { 0, 50, 2, "Dot3StatMultipleCollisionFrames" },
196 { 0, 52, 2, "Dot3sDeferredTransmissions" },
197 { 0, 54, 2, "Dot3StatsLateCollisions" },
198 { 0, 56, 2, "EtherStatsCollisions" },
199 { 0, 58, 2, "Dot3StatsExcessiveCollisions" },
200 { 0, 60, 2, "Dot3OutPauseFrames" },
201 { 0, 62, 2, "Dot1dBasePortDelayExceededDiscards" },
204 * The following counters are accessible at a different
207 { 1, 0, 2, "Dot1dTpPortInDiscards" },
208 { 1, 2, 2, "IfOutUcastPkts" },
209 { 1, 4, 2, "IfOutMulticastPkts" },
210 { 1, 6, 2, "IfOutBroadcastPkts" },
213 #define REG_WR(_smi, _reg, _val) \
215 err = rtl8366_smi_write_reg(_smi, _reg, _val); \
220 #define REG_RMW(_smi, _reg, _mask, _val) \
222 err = rtl8366_smi_rmwr(_smi, _reg, _mask, _val); \
227 static int rtl8366s_reset_chip(struct rtl8366_smi *smi)
232 rtl8366_smi_write_reg(smi, RTL8366S_RESET_CTRL_REG,
233 RTL8366S_CHIP_CTRL_RESET_HW);
236 if (rtl8366_smi_read_reg(smi, RTL8366S_RESET_CTRL_REG, &data))
239 if (!(data & RTL8366S_CHIP_CTRL_RESET_HW))
244 printk("Timeout waiting for the switch to reset\n");
251 static int rtl8366s_hw_init(struct rtl8366_smi *smi)
255 /* set maximum packet length to 1536 bytes */
256 REG_RMW(smi, RTL8366S_SGCR, RTL8366S_SGCR_MAX_LENGTH_MASK,
257 RTL8366S_SGCR_MAX_LENGTH_1536);
259 /* enable all ports */
260 REG_WR(smi, RTL8366S_PECR, 0);
262 /* enable learning for all ports */
263 REG_WR(smi, RTL8366S_SSCR0, 0);
265 /* enable auto ageing for all ports */
266 REG_WR(smi, RTL8366S_SSCR1, 0);
269 * discard VLAN tagged packets if the port is not a member of
270 * the VLAN with which the packets is associated.
272 REG_WR(smi, RTL8366S_VLAN_MEMBERINGRESS_REG, RTL8366S_PORT_ALL);
274 /* don't drop packets whose DA has not been learned */
275 REG_RMW(smi, RTL8366S_SSCR2, RTL8366S_SSCR2_DROP_UNKNOWN_DA, 0);
280 static int rtl8366s_read_phy_reg(struct rtl8366_smi *smi,
281 u32 phy_no, u32 page, u32 addr, u32 *data)
286 if (phy_no > RTL8366S_PHY_NO_MAX)
289 if (page > RTL8366S_PHY_PAGE_MAX)
292 if (addr > RTL8366S_PHY_ADDR_MAX)
295 ret = rtl8366_smi_write_reg(smi, RTL8366S_PHY_ACCESS_CTRL_REG,
296 RTL8366S_PHY_CTRL_READ);
300 reg = 0x8000 | (1 << (phy_no + RTL8366S_PHY_NO_OFFSET)) |
301 ((page << RTL8366S_PHY_PAGE_OFFSET) & RTL8366S_PHY_PAGE_MASK) |
302 (addr & RTL8366S_PHY_REG_MASK);
304 ret = rtl8366_smi_write_reg(smi, reg, 0);
308 ret = rtl8366_smi_read_reg(smi, RTL8366S_PHY_ACCESS_DATA_REG, data);
315 static int rtl8366s_write_phy_reg(struct rtl8366_smi *smi,
316 u32 phy_no, u32 page, u32 addr, u32 data)
321 if (phy_no > RTL8366S_PHY_NO_MAX)
324 if (page > RTL8366S_PHY_PAGE_MAX)
327 if (addr > RTL8366S_PHY_ADDR_MAX)
330 ret = rtl8366_smi_write_reg(smi, RTL8366S_PHY_ACCESS_CTRL_REG,
331 RTL8366S_PHY_CTRL_WRITE);
335 reg = 0x8000 | (1 << (phy_no + RTL8366S_PHY_NO_OFFSET)) |
336 ((page << RTL8366S_PHY_PAGE_OFFSET) & RTL8366S_PHY_PAGE_MASK) |
337 (addr & RTL8366S_PHY_REG_MASK);
339 ret = rtl8366_smi_write_reg(smi, reg, data);
346 static int rtl8366_get_mib_counter(struct rtl8366_smi *smi, int counter,
347 int port, unsigned long long *val)
354 if (port > RTL8366S_NUM_PORTS || counter >= RTL8366S_MIB_COUNT)
357 switch (rtl8366s_mib_counters[counter].base) {
359 addr = RTL8366S_MIB_COUNTER_BASE +
360 RTL8366S_MIB_COUNTER_PORT_OFFSET * port;
364 addr = RTL8366S_MIB_COUNTER_BASE2 +
365 RTL8366S_MIB_COUNTER_PORT_OFFSET2 * port;
372 addr += rtl8366s_mib_counters[counter].offset;
375 * Writing access counter address first
376 * then ASIC will prepare 64bits counter wait for being retrived
378 data = 0; /* writing data will be discard by ASIC */
379 err = rtl8366_smi_write_reg(smi, addr, data);
383 /* read MIB control register */
384 err = rtl8366_smi_read_reg(smi, RTL8366S_MIB_CTRL_REG, &data);
388 if (data & RTL8366S_MIB_CTRL_BUSY_MASK)
391 if (data & RTL8366S_MIB_CTRL_RESET_MASK)
395 for (i = rtl8366s_mib_counters[counter].length; i > 0; i--) {
396 err = rtl8366_smi_read_reg(smi, addr + (i - 1), &data);
400 mibvalue = (mibvalue << 16) | (data & 0xFFFF);
407 static int rtl8366s_get_vlan_4k(struct rtl8366_smi *smi, u32 vid,
408 struct rtl8366_vlan_4k *vlan4k)
414 memset(vlan4k, '\0', sizeof(struct rtl8366_vlan_4k));
416 if (vid >= RTL8366S_NUM_VIDS)
420 err = rtl8366_smi_write_reg(smi, RTL8366S_VLAN_TABLE_WRITE_BASE,
421 vid & RTL8366S_VLAN_VID_MASK);
425 /* write table access control word */
426 err = rtl8366_smi_write_reg(smi, RTL8366S_TABLE_ACCESS_CTRL_REG,
427 RTL8366S_TABLE_VLAN_READ_CTRL);
431 for (i = 0; i < 2; i++) {
432 err = rtl8366_smi_read_reg(smi,
433 RTL8366S_VLAN_TABLE_READ_BASE + i,
440 vlan4k->untag = (data[1] >> RTL8366S_VLAN_UNTAG_SHIFT) &
441 RTL8366S_VLAN_UNTAG_MASK;
442 vlan4k->member = data[1] & RTL8366S_VLAN_MEMBER_MASK;
443 vlan4k->fid = (data[1] >> RTL8366S_VLAN_FID_SHIFT) &
444 RTL8366S_VLAN_FID_MASK;
449 static int rtl8366s_set_vlan_4k(struct rtl8366_smi *smi,
450 const struct rtl8366_vlan_4k *vlan4k)
456 if (vlan4k->vid >= RTL8366S_NUM_VIDS ||
457 vlan4k->member > RTL8366S_PORT_ALL ||
458 vlan4k->untag > RTL8366S_PORT_ALL ||
459 vlan4k->fid > RTL8366S_FIDMAX)
462 data[0] = vlan4k->vid & RTL8366S_VLAN_VID_MASK;
463 data[1] = (vlan4k->member & RTL8366S_VLAN_MEMBER_MASK) |
464 ((vlan4k->untag & RTL8366S_VLAN_UNTAG_MASK) <<
465 RTL8366S_VLAN_UNTAG_SHIFT) |
466 ((vlan4k->fid & RTL8366S_VLAN_FID_MASK) <<
467 RTL8366S_VLAN_FID_SHIFT);
469 for (i = 0; i < 2; i++) {
470 err = rtl8366_smi_write_reg(smi,
471 RTL8366S_VLAN_TABLE_WRITE_BASE + i,
477 /* write table access control word */
478 err = rtl8366_smi_write_reg(smi, RTL8366S_TABLE_ACCESS_CTRL_REG,
479 RTL8366S_TABLE_VLAN_WRITE_CTRL);
484 static int rtl8366s_get_vlan_mc(struct rtl8366_smi *smi, u32 index,
485 struct rtl8366_vlan_mc *vlanmc)
491 memset(vlanmc, '\0', sizeof(struct rtl8366_vlan_mc));
493 if (index >= RTL8366S_NUM_VLANS)
496 for (i = 0; i < 2; i++) {
497 err = rtl8366_smi_read_reg(smi,
498 RTL8366S_VLAN_MC_BASE(index) + i,
504 vlanmc->vid = data[0] & RTL8366S_VLAN_VID_MASK;
505 vlanmc->priority = (data[0] >> RTL8366S_VLAN_PRIORITY_SHIFT) &
506 RTL8366S_VLAN_PRIORITY_MASK;
507 vlanmc->untag = (data[1] >> RTL8366S_VLAN_UNTAG_SHIFT) &
508 RTL8366S_VLAN_UNTAG_MASK;
509 vlanmc->member = data[1] & RTL8366S_VLAN_MEMBER_MASK;
510 vlanmc->fid = (data[1] >> RTL8366S_VLAN_FID_SHIFT) &
511 RTL8366S_VLAN_FID_MASK;
516 static int rtl8366s_set_vlan_mc(struct rtl8366_smi *smi, u32 index,
517 const struct rtl8366_vlan_mc *vlanmc)
523 if (index >= RTL8366S_NUM_VLANS ||
524 vlanmc->vid >= RTL8366S_NUM_VIDS ||
525 vlanmc->priority > RTL8366S_PRIORITYMAX ||
526 vlanmc->member > RTL8366S_PORT_ALL ||
527 vlanmc->untag > RTL8366S_PORT_ALL ||
528 vlanmc->fid > RTL8366S_FIDMAX)
531 data[0] = (vlanmc->vid & RTL8366S_VLAN_VID_MASK) |
532 ((vlanmc->priority & RTL8366S_VLAN_PRIORITY_MASK) <<
533 RTL8366S_VLAN_PRIORITY_SHIFT);
534 data[1] = (vlanmc->member & RTL8366S_VLAN_MEMBER_MASK) |
535 ((vlanmc->untag & RTL8366S_VLAN_UNTAG_MASK) <<
536 RTL8366S_VLAN_UNTAG_SHIFT) |
537 ((vlanmc->fid & RTL8366S_VLAN_FID_MASK) <<
538 RTL8366S_VLAN_FID_SHIFT);
540 for (i = 0; i < 2; i++) {
541 err = rtl8366_smi_write_reg(smi,
542 RTL8366S_VLAN_MC_BASE(index) + i,
551 static int rtl8366s_get_mc_index(struct rtl8366_smi *smi, int port, int *val)
556 if (port >= RTL8366S_NUM_PORTS)
559 err = rtl8366_smi_read_reg(smi, RTL8366S_PORT_VLAN_CTRL_REG(port),
564 *val = (data >> RTL8366S_PORT_VLAN_CTRL_SHIFT(port)) &
565 RTL8366S_PORT_VLAN_CTRL_MASK;
570 static int rtl8366s_set_mc_index(struct rtl8366_smi *smi, int port, int index)
572 if (port >= RTL8366S_NUM_PORTS || index >= RTL8366S_NUM_VLANS)
575 return rtl8366_smi_rmwr(smi, RTL8366S_PORT_VLAN_CTRL_REG(port),
576 RTL8366S_PORT_VLAN_CTRL_MASK <<
577 RTL8366S_PORT_VLAN_CTRL_SHIFT(port),
578 (index & RTL8366S_PORT_VLAN_CTRL_MASK) <<
579 RTL8366S_PORT_VLAN_CTRL_SHIFT(port));
582 static int rtl8366s_enable_vlan(struct rtl8366_smi *smi, int enable)
584 return rtl8366_smi_rmwr(smi, RTL8366S_SGCR, RTL8366S_SGCR_EN_VLAN,
585 (enable) ? RTL8366S_SGCR_EN_VLAN : 0);
588 static int rtl8366s_enable_vlan4k(struct rtl8366_smi *smi, int enable)
590 return rtl8366_smi_rmwr(smi, RTL8366S_VLAN_TB_CTRL_REG,
591 1, (enable) ? 1 : 0);
594 static int rtl8366s_is_vlan_valid(struct rtl8366_smi *smi, unsigned vlan)
596 if (vlan == 0 || vlan >= RTL8366S_NUM_VLANS)
602 static int rtl8366s_sw_reset_mibs(struct switch_dev *dev,
603 const struct switch_attr *attr,
604 struct switch_val *val)
606 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
608 return rtl8366_smi_rmwr(smi, RTL8366S_MIB_CTRL_REG, 0, (1 << 2));
611 static int rtl8366s_sw_get_blinkrate(struct switch_dev *dev,
612 const struct switch_attr *attr,
613 struct switch_val *val)
615 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
618 rtl8366_smi_read_reg(smi, RTL8366S_LED_BLINKRATE_REG, &data);
620 val->value.i = (data & (RTL8366S_LED_BLINKRATE_MASK));
625 static int rtl8366s_sw_set_blinkrate(struct switch_dev *dev,
626 const struct switch_attr *attr,
627 struct switch_val *val)
629 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
631 if (val->value.i >= 6)
634 return rtl8366_smi_rmwr(smi, RTL8366S_LED_BLINKRATE_REG,
635 RTL8366S_LED_BLINKRATE_MASK,
639 static int rtl8366s_sw_get_learning_enable(struct switch_dev *dev,
640 const struct switch_attr *attr,
641 struct switch_val *val)
643 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
646 rtl8366_smi_read_reg(smi,RTL8366S_SSCR0, &data);
647 val->value.i = !data;
653 static int rtl8366s_sw_set_learning_enable(struct switch_dev *dev,
654 const struct switch_attr *attr,
655 struct switch_val *val)
657 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
662 portmask = RTL8366S_PORT_ALL;
664 /* set learning for all ports */
665 REG_WR(smi, RTL8366S_SSCR0, portmask);
667 /* set auto ageing for all ports */
668 REG_WR(smi, RTL8366S_SSCR1, portmask);
674 static const char *rtl8366s_speed_str(unsigned speed)
688 static int rtl8366s_sw_get_port_link(struct switch_dev *dev,
689 const struct switch_attr *attr,
690 struct switch_val *val)
692 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
693 u32 len = 0, data = 0;
695 if (val->port_vlan >= RTL8366S_NUM_PORTS)
698 memset(smi->buf, '\0', sizeof(smi->buf));
699 rtl8366_smi_read_reg(smi, RTL8366S_PORT_LINK_STATUS_BASE +
700 (val->port_vlan / 2), &data);
702 if (val->port_vlan % 2)
705 if (data & RTL8366S_PORT_STATUS_LINK_MASK) {
706 len = snprintf(smi->buf, sizeof(smi->buf),
707 "port:%d link:up speed:%s %s-duplex %s%s%s",
709 rtl8366s_speed_str(data &
710 RTL8366S_PORT_STATUS_SPEED_MASK),
711 (data & RTL8366S_PORT_STATUS_DUPLEX_MASK) ?
713 (data & RTL8366S_PORT_STATUS_TXPAUSE_MASK) ?
715 (data & RTL8366S_PORT_STATUS_RXPAUSE_MASK) ?
717 (data & RTL8366S_PORT_STATUS_AN_MASK) ?
720 len = snprintf(smi->buf, sizeof(smi->buf), "port:%d link: down",
724 val->value.s = smi->buf;
730 static int rtl8366s_sw_set_port_led(struct switch_dev *dev,
731 const struct switch_attr *attr,
732 struct switch_val *val)
734 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
739 if (val->port_vlan >= RTL8366S_NUM_PORTS ||
740 (1 << val->port_vlan) == RTL8366S_PORT_UNKNOWN)
743 if (val->port_vlan == RTL8366S_PORT_NUM_CPU) {
744 reg = RTL8366S_LED_BLINKRATE_REG;
746 data = val->value.i << 4;
748 reg = RTL8366S_LED_CTRL_REG;
749 mask = 0xF << (val->port_vlan * 4),
750 data = val->value.i << (val->port_vlan * 4);
753 return rtl8366_smi_rmwr(smi, reg, mask, data);
756 static int rtl8366s_sw_get_port_led(struct switch_dev *dev,
757 const struct switch_attr *attr,
758 struct switch_val *val)
760 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
763 if (val->port_vlan >= RTL8366S_NUM_LEDGROUPS)
766 rtl8366_smi_read_reg(smi, RTL8366S_LED_CTRL_REG, &data);
767 val->value.i = (data >> (val->port_vlan * 4)) & 0x000F;
772 static int rtl8366s_sw_reset_port_mibs(struct switch_dev *dev,
773 const struct switch_attr *attr,
774 struct switch_val *val)
776 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
778 if (val->port_vlan >= RTL8366S_NUM_PORTS)
782 return rtl8366_smi_rmwr(smi, RTL8366S_MIB_CTRL_REG,
783 0, (1 << (val->port_vlan + 3)));
786 static int rtl8366s_sw_reset_switch(struct switch_dev *dev)
788 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
791 err = rtl8366s_reset_chip(smi);
795 err = rtl8366s_hw_init(smi);
799 return rtl8366_reset_vlan(smi);
802 static struct switch_attr rtl8366s_globals[] = {
804 .type = SWITCH_TYPE_INT,
805 .name = "enable_learning",
806 .description = "Enable learning, enable aging",
807 .set = rtl8366s_sw_set_learning_enable,
808 .get = rtl8366s_sw_get_learning_enable,
811 .type = SWITCH_TYPE_INT,
812 .name = "enable_vlan",
813 .description = "Enable VLAN mode",
814 .set = rtl8366_sw_set_vlan_enable,
815 .get = rtl8366_sw_get_vlan_enable,
819 .type = SWITCH_TYPE_INT,
820 .name = "enable_vlan4k",
821 .description = "Enable VLAN 4K mode",
822 .set = rtl8366_sw_set_vlan_enable,
823 .get = rtl8366_sw_get_vlan_enable,
827 .type = SWITCH_TYPE_NOVAL,
828 .name = "reset_mibs",
829 .description = "Reset all MIB counters",
830 .set = rtl8366s_sw_reset_mibs,
832 .type = SWITCH_TYPE_INT,
834 .description = "Get/Set LED blinking rate (0 = 43ms, 1 = 84ms,"
835 " 2 = 120ms, 3 = 170ms, 4 = 340ms, 5 = 670ms)",
836 .set = rtl8366s_sw_set_blinkrate,
837 .get = rtl8366s_sw_get_blinkrate,
842 static struct switch_attr rtl8366s_port[] = {
844 .type = SWITCH_TYPE_STRING,
846 .description = "Get port link information",
849 .get = rtl8366s_sw_get_port_link,
851 .type = SWITCH_TYPE_NOVAL,
853 .description = "Reset single port MIB counters",
854 .set = rtl8366s_sw_reset_port_mibs,
856 .type = SWITCH_TYPE_STRING,
858 .description = "Get MIB counters for port",
861 .get = rtl8366_sw_get_port_mib,
863 .type = SWITCH_TYPE_INT,
865 .description = "Get/Set port group (0 - 3) led mode (0 - 15)",
867 .set = rtl8366s_sw_set_port_led,
868 .get = rtl8366s_sw_get_port_led,
872 static struct switch_attr rtl8366s_vlan[] = {
874 .type = SWITCH_TYPE_STRING,
876 .description = "Get vlan information",
879 .get = rtl8366_sw_get_vlan_info,
883 static const struct switch_dev_ops rtl8366_ops = {
885 .attr = rtl8366s_globals,
886 .n_attr = ARRAY_SIZE(rtl8366s_globals),
889 .attr = rtl8366s_port,
890 .n_attr = ARRAY_SIZE(rtl8366s_port),
893 .attr = rtl8366s_vlan,
894 .n_attr = ARRAY_SIZE(rtl8366s_vlan),
897 .get_vlan_ports = rtl8366_sw_get_vlan_ports,
898 .set_vlan_ports = rtl8366_sw_set_vlan_ports,
899 .get_port_pvid = rtl8366_sw_get_port_pvid,
900 .set_port_pvid = rtl8366_sw_set_port_pvid,
901 .reset_switch = rtl8366s_sw_reset_switch,
904 static int rtl8366s_switch_init(struct rtl8366_smi *smi)
906 struct switch_dev *dev = &smi->sw_dev;
909 dev->name = "RTL8366S";
910 dev->cpu_port = RTL8366S_PORT_NUM_CPU;
911 dev->ports = RTL8366S_NUM_PORTS;
912 dev->vlans = RTL8366S_NUM_VLANS;
913 dev->ops = &rtl8366_ops;
914 dev->devname = dev_name(smi->parent);
916 err = register_switch(dev, NULL);
918 dev_err(smi->parent, "switch registration failed\n");
923 static void rtl8366s_switch_cleanup(struct rtl8366_smi *smi)
925 unregister_switch(&smi->sw_dev);
928 static int rtl8366s_mii_read(struct mii_bus *bus, int addr, int reg)
930 struct rtl8366_smi *smi = bus->priv;
934 err = rtl8366s_read_phy_reg(smi, addr, 0, reg, &val);
941 static int rtl8366s_mii_write(struct mii_bus *bus, int addr, int reg, u16 val)
943 struct rtl8366_smi *smi = bus->priv;
947 err = rtl8366s_write_phy_reg(smi, addr, 0, reg, val);
949 (void) rtl8366s_read_phy_reg(smi, addr, 0, reg, &t);
954 static int rtl8366s_mii_bus_match(struct mii_bus *bus)
956 return (bus->read == rtl8366s_mii_read &&
957 bus->write == rtl8366s_mii_write);
960 static int rtl8366s_setup(struct rtl8366_smi *smi)
964 ret = rtl8366s_reset_chip(smi);
968 ret = rtl8366s_hw_init(smi);
972 static int rtl8366s_detect(struct rtl8366_smi *smi)
978 ret = rtl8366_smi_read_reg(smi, RTL8366S_CHIP_ID_REG, &chip_id);
980 dev_err(smi->parent, "unable to read chip id\n");
985 case RTL8366S_CHIP_ID_8366:
988 dev_err(smi->parent, "unknown chip id (%04x)\n", chip_id);
992 ret = rtl8366_smi_read_reg(smi, RTL8366S_CHIP_VERSION_CTRL_REG,
995 dev_err(smi->parent, "unable to read chip version\n");
999 dev_info(smi->parent, "RTL%04x ver. %u chip found\n",
1000 chip_id, chip_ver & RTL8366S_CHIP_VERSION_MASK);
1005 static struct rtl8366_smi_ops rtl8366s_smi_ops = {
1006 .detect = rtl8366s_detect,
1007 .setup = rtl8366s_setup,
1009 .mii_read = rtl8366s_mii_read,
1010 .mii_write = rtl8366s_mii_write,
1012 .get_vlan_mc = rtl8366s_get_vlan_mc,
1013 .set_vlan_mc = rtl8366s_set_vlan_mc,
1014 .get_vlan_4k = rtl8366s_get_vlan_4k,
1015 .set_vlan_4k = rtl8366s_set_vlan_4k,
1016 .get_mc_index = rtl8366s_get_mc_index,
1017 .set_mc_index = rtl8366s_set_mc_index,
1018 .get_mib_counter = rtl8366_get_mib_counter,
1019 .is_vlan_valid = rtl8366s_is_vlan_valid,
1020 .enable_vlan = rtl8366s_enable_vlan,
1021 .enable_vlan4k = rtl8366s_enable_vlan4k,
1024 static int __init rtl8366s_probe(struct platform_device *pdev)
1026 static int rtl8366_smi_version_printed;
1027 struct rtl8366s_platform_data *pdata;
1028 struct rtl8366_smi *smi;
1031 if (!rtl8366_smi_version_printed++)
1032 printk(KERN_NOTICE RTL8366S_DRIVER_DESC
1033 " version " RTL8366S_DRIVER_VER"\n");
1035 pdata = pdev->dev.platform_data;
1037 dev_err(&pdev->dev, "no platform data specified\n");
1042 smi = rtl8366_smi_alloc(&pdev->dev);
1048 smi->gpio_sda = pdata->gpio_sda;
1049 smi->gpio_sck = pdata->gpio_sck;
1050 smi->ops = &rtl8366s_smi_ops;
1051 smi->cpu_port = RTL8366S_PORT_NUM_CPU;
1052 smi->num_ports = RTL8366S_NUM_PORTS;
1053 smi->num_vlan_mc = RTL8366S_NUM_VLANS;
1054 smi->mib_counters = rtl8366s_mib_counters;
1055 smi->num_mib_counters = ARRAY_SIZE(rtl8366s_mib_counters);
1057 err = rtl8366_smi_init(smi);
1061 platform_set_drvdata(pdev, smi);
1063 err = rtl8366s_switch_init(smi);
1065 goto err_clear_drvdata;
1070 platform_set_drvdata(pdev, NULL);
1071 rtl8366_smi_cleanup(smi);
1078 static int rtl8366s_phy_config_init(struct phy_device *phydev)
1080 if (!rtl8366s_mii_bus_match(phydev->bus))
1086 static int rtl8366s_phy_config_aneg(struct phy_device *phydev)
1091 static struct phy_driver rtl8366s_phy_driver = {
1092 .phy_id = 0x001cc960,
1093 .name = "Realtek RTL8366S",
1094 .phy_id_mask = 0x1ffffff0,
1095 .features = PHY_GBIT_FEATURES,
1096 .config_aneg = rtl8366s_phy_config_aneg,
1097 .config_init = rtl8366s_phy_config_init,
1098 .read_status = genphy_read_status,
1100 .owner = THIS_MODULE,
1104 static int __devexit rtl8366s_remove(struct platform_device *pdev)
1106 struct rtl8366_smi *smi = platform_get_drvdata(pdev);
1109 rtl8366s_switch_cleanup(smi);
1110 platform_set_drvdata(pdev, NULL);
1111 rtl8366_smi_cleanup(smi);
1118 static struct platform_driver rtl8366s_driver = {
1120 .name = RTL8366S_DRIVER_NAME,
1121 .owner = THIS_MODULE,
1123 .probe = rtl8366s_probe,
1124 .remove = __devexit_p(rtl8366s_remove),
1127 static int __init rtl8366s_module_init(void)
1130 ret = platform_driver_register(&rtl8366s_driver);
1134 ret = phy_driver_register(&rtl8366s_phy_driver);
1136 goto err_platform_unregister;
1140 err_platform_unregister:
1141 platform_driver_unregister(&rtl8366s_driver);
1144 module_init(rtl8366s_module_init);
1146 static void __exit rtl8366s_module_exit(void)
1148 phy_driver_unregister(&rtl8366s_phy_driver);
1149 platform_driver_unregister(&rtl8366s_driver);
1151 module_exit(rtl8366s_module_exit);
1153 MODULE_DESCRIPTION(RTL8366S_DRIVER_DESC);
1154 MODULE_VERSION(RTL8366S_DRIVER_VER);
1155 MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>");
1156 MODULE_AUTHOR("Antti Seppälä <a.seppala@gmail.com>");
1157 MODULE_LICENSE("GPL v2");
1158 MODULE_ALIAS("platform:" RTL8366S_DRIVER_NAME);