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 /* disable learning for all ports */
263 REG_WR(smi, RTL8366S_SSCR0, RTL8366S_PORT_ALL);
265 /* disable auto ageing for all ports */
266 REG_WR(smi, RTL8366S_SSCR1, RTL8366S_PORT_ALL);
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_vlan_set_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_vlan_set_4ktable(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_vlan_enable(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 if (attr->ofs == 1) {
619 rtl8366_smi_read_reg(smi, RTL8366S_SGCR, &data);
621 if (data & RTL8366S_SGCR_EN_VLAN)
625 } else if (attr->ofs == 2) {
626 rtl8366_smi_read_reg(smi, RTL8366S_VLAN_TB_CTRL_REG, &data);
637 static int rtl8366s_sw_get_blinkrate(struct switch_dev *dev,
638 const struct switch_attr *attr,
639 struct switch_val *val)
641 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
644 rtl8366_smi_read_reg(smi, RTL8366S_LED_BLINKRATE_REG, &data);
646 val->value.i = (data & (RTL8366S_LED_BLINKRATE_MASK));
651 static int rtl8366s_sw_set_blinkrate(struct switch_dev *dev,
652 const struct switch_attr *attr,
653 struct switch_val *val)
655 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
657 if (val->value.i >= 6)
660 return rtl8366_smi_rmwr(smi, RTL8366S_LED_BLINKRATE_REG,
661 RTL8366S_LED_BLINKRATE_MASK,
665 static int rtl8366s_sw_set_vlan_enable(struct switch_dev *dev,
666 const struct switch_attr *attr,
667 struct switch_val *val)
669 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
672 return rtl8366s_vlan_set_vlan(smi, val->value.i);
674 return rtl8366s_vlan_set_4ktable(smi, val->value.i);
677 static const char *rtl8366s_speed_str(unsigned speed)
691 static int rtl8366s_sw_get_port_link(struct switch_dev *dev,
692 const struct switch_attr *attr,
693 struct switch_val *val)
695 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
696 u32 len = 0, data = 0;
698 if (val->port_vlan >= RTL8366S_NUM_PORTS)
701 memset(smi->buf, '\0', sizeof(smi->buf));
702 rtl8366_smi_read_reg(smi, RTL8366S_PORT_LINK_STATUS_BASE +
703 (val->port_vlan / 2), &data);
705 if (val->port_vlan % 2)
708 if (data & RTL8366S_PORT_STATUS_LINK_MASK) {
709 len = snprintf(smi->buf, sizeof(smi->buf),
710 "port:%d link:up speed:%s %s-duplex %s%s%s",
712 rtl8366s_speed_str(data &
713 RTL8366S_PORT_STATUS_SPEED_MASK),
714 (data & RTL8366S_PORT_STATUS_DUPLEX_MASK) ?
716 (data & RTL8366S_PORT_STATUS_TXPAUSE_MASK) ?
718 (data & RTL8366S_PORT_STATUS_RXPAUSE_MASK) ?
720 (data & RTL8366S_PORT_STATUS_AN_MASK) ?
723 len = snprintf(smi->buf, sizeof(smi->buf), "port:%d link: down",
727 val->value.s = smi->buf;
733 static int rtl8366s_sw_get_vlan_info(struct switch_dev *dev,
734 const struct switch_attr *attr,
735 struct switch_val *val)
739 struct rtl8366_vlan_4k vlan4k;
740 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
741 char *buf = smi->buf;
744 if (!smi->ops->is_vlan_valid(smi, val->port_vlan))
747 memset(buf, '\0', sizeof(smi->buf));
749 err = rtl8366s_get_vlan_4k(smi, val->port_vlan, &vlan4k);
753 len += snprintf(buf + len, sizeof(smi->buf) - len,
754 "VLAN %d: Ports: '", vlan4k.vid);
756 for (i = 0; i < RTL8366S_NUM_PORTS; i++) {
757 if (!(vlan4k.member & (1 << i)))
760 len += snprintf(buf + len, sizeof(smi->buf) - len, "%d%s", i,
761 (vlan4k.untag & (1 << i)) ? "" : "t");
764 len += snprintf(buf + len, sizeof(smi->buf) - len,
765 "', members=%04x, untag=%04x, fid=%u",
766 vlan4k.member, vlan4k.untag, vlan4k.fid);
774 static int rtl8366s_sw_set_port_led(struct switch_dev *dev,
775 const struct switch_attr *attr,
776 struct switch_val *val)
778 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
783 if (val->port_vlan >= RTL8366S_NUM_PORTS ||
784 (1 << val->port_vlan) == RTL8366S_PORT_UNKNOWN)
787 if (val->port_vlan == RTL8366S_PORT_NUM_CPU) {
788 reg = RTL8366S_LED_BLINKRATE_REG;
790 data = val->value.i << 4;
792 reg = RTL8366S_LED_CTRL_REG;
793 mask = 0xF << (val->port_vlan * 4),
794 data = val->value.i << (val->port_vlan * 4);
797 return rtl8366_smi_rmwr(smi, RTL8366S_LED_BLINKRATE_REG, mask, data);
800 static int rtl8366s_sw_get_port_led(struct switch_dev *dev,
801 const struct switch_attr *attr,
802 struct switch_val *val)
804 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
807 if (val->port_vlan >= RTL8366S_NUM_LEDGROUPS)
810 rtl8366_smi_read_reg(smi, RTL8366S_LED_CTRL_REG, &data);
811 val->value.i = (data >> (val->port_vlan * 4)) & 0x000F;
816 static int rtl8366s_sw_reset_port_mibs(struct switch_dev *dev,
817 const struct switch_attr *attr,
818 struct switch_val *val)
820 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
822 if (val->port_vlan >= RTL8366S_NUM_PORTS)
826 return rtl8366_smi_rmwr(smi, RTL8366S_MIB_CTRL_REG,
827 0, (1 << (val->port_vlan + 3)));
830 static int rtl8366s_sw_get_vlan_ports(struct switch_dev *dev,
831 struct switch_val *val)
833 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
834 struct switch_port *port;
835 struct rtl8366_vlan_4k vlan4k;
838 if (!smi->ops->is_vlan_valid(smi, val->port_vlan))
841 rtl8366s_get_vlan_4k(smi, val->port_vlan, &vlan4k);
843 port = &val->value.ports[0];
845 for (i = 0; i < RTL8366S_NUM_PORTS; i++) {
846 if (!(vlan4k.member & BIT(i)))
850 port->flags = (vlan4k.untag & BIT(i)) ?
851 0 : BIT(SWITCH_PORT_FLAG_TAGGED);
858 static int rtl8366s_sw_set_vlan_ports(struct switch_dev *dev,
859 struct switch_val *val)
861 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
862 struct switch_port *port;
867 if (!smi->ops->is_vlan_valid(smi, val->port_vlan))
870 port = &val->value.ports[0];
871 for (i = 0; i < val->len; i++, port++) {
872 member |= BIT(port->id);
874 if (!(port->flags & BIT(SWITCH_PORT_FLAG_TAGGED)))
875 untag |= BIT(port->id);
878 return rtl8366_set_vlan(smi, val->port_vlan, member, untag, 0);
881 static int rtl8366s_sw_reset_switch(struct switch_dev *dev)
883 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
886 err = rtl8366s_reset_chip(smi);
890 err = rtl8366s_hw_init(smi);
894 return rtl8366_reset_vlan(smi);
897 static struct switch_attr rtl8366s_globals[] = {
899 .type = SWITCH_TYPE_INT,
900 .name = "enable_vlan",
901 .description = "Enable VLAN mode",
902 .set = rtl8366s_sw_set_vlan_enable,
903 .get = rtl8366s_sw_get_vlan_enable,
907 .type = SWITCH_TYPE_INT,
908 .name = "enable_vlan4k",
909 .description = "Enable VLAN 4K mode",
910 .set = rtl8366s_sw_set_vlan_enable,
911 .get = rtl8366s_sw_get_vlan_enable,
915 .type = SWITCH_TYPE_NOVAL,
916 .name = "reset_mibs",
917 .description = "Reset all MIB counters",
918 .set = rtl8366s_sw_reset_mibs,
920 .type = SWITCH_TYPE_INT,
922 .description = "Get/Set LED blinking rate (0 = 43ms, 1 = 84ms,"
923 " 2 = 120ms, 3 = 170ms, 4 = 340ms, 5 = 670ms)",
924 .set = rtl8366s_sw_set_blinkrate,
925 .get = rtl8366s_sw_get_blinkrate,
930 static struct switch_attr rtl8366s_port[] = {
932 .type = SWITCH_TYPE_STRING,
934 .description = "Get port link information",
937 .get = rtl8366s_sw_get_port_link,
939 .type = SWITCH_TYPE_NOVAL,
941 .description = "Reset single port MIB counters",
942 .set = rtl8366s_sw_reset_port_mibs,
944 .type = SWITCH_TYPE_STRING,
946 .description = "Get MIB counters for port",
949 .get = rtl8366_sw_get_port_mib,
951 .type = SWITCH_TYPE_INT,
953 .description = "Get/Set port group (0 - 3) led mode (0 - 15)",
955 .set = rtl8366s_sw_set_port_led,
956 .get = rtl8366s_sw_get_port_led,
960 static struct switch_attr rtl8366s_vlan[] = {
962 .type = SWITCH_TYPE_STRING,
964 .description = "Get vlan information",
967 .get = rtl8366s_sw_get_vlan_info,
972 static struct switch_dev rtl8366_switch_dev = {
974 .cpu_port = RTL8366S_PORT_NUM_CPU,
975 .ports = RTL8366S_NUM_PORTS,
976 .vlans = RTL8366S_NUM_VLANS,
978 .attr = rtl8366s_globals,
979 .n_attr = ARRAY_SIZE(rtl8366s_globals),
982 .attr = rtl8366s_port,
983 .n_attr = ARRAY_SIZE(rtl8366s_port),
986 .attr = rtl8366s_vlan,
987 .n_attr = ARRAY_SIZE(rtl8366s_vlan),
990 .get_vlan_ports = rtl8366s_sw_get_vlan_ports,
991 .set_vlan_ports = rtl8366s_sw_set_vlan_ports,
992 .get_port_pvid = rtl8366_sw_get_port_pvid,
993 .set_port_pvid = rtl8366_sw_set_port_pvid,
994 .reset_switch = rtl8366s_sw_reset_switch,
997 static int rtl8366s_switch_init(struct rtl8366_smi *smi)
999 struct switch_dev *dev = &smi->sw_dev;
1002 memcpy(dev, &rtl8366_switch_dev, sizeof(struct switch_dev));
1004 dev->devname = dev_name(smi->parent);
1006 err = register_switch(dev, NULL);
1008 dev_err(smi->parent, "switch registration failed\n");
1013 static void rtl8366s_switch_cleanup(struct rtl8366_smi *smi)
1015 unregister_switch(&smi->sw_dev);
1018 static int rtl8366s_mii_read(struct mii_bus *bus, int addr, int reg)
1020 struct rtl8366_smi *smi = bus->priv;
1024 err = rtl8366s_read_phy_reg(smi, addr, 0, reg, &val);
1031 static int rtl8366s_mii_write(struct mii_bus *bus, int addr, int reg, u16 val)
1033 struct rtl8366_smi *smi = bus->priv;
1037 err = rtl8366s_write_phy_reg(smi, addr, 0, reg, val);
1039 (void) rtl8366s_read_phy_reg(smi, addr, 0, reg, &t);
1044 static int rtl8366s_mii_bus_match(struct mii_bus *bus)
1046 return (bus->read == rtl8366s_mii_read &&
1047 bus->write == rtl8366s_mii_write);
1050 static int rtl8366s_setup(struct rtl8366_smi *smi)
1054 ret = rtl8366s_reset_chip(smi);
1058 ret = rtl8366s_hw_init(smi);
1062 static int rtl8366s_detect(struct rtl8366_smi *smi)
1068 ret = rtl8366_smi_read_reg(smi, RTL8366S_CHIP_ID_REG, &chip_id);
1070 dev_err(smi->parent, "unable to read chip id\n");
1075 case RTL8366S_CHIP_ID_8366:
1078 dev_err(smi->parent, "unknown chip id (%04x)\n", chip_id);
1082 ret = rtl8366_smi_read_reg(smi, RTL8366S_CHIP_VERSION_CTRL_REG,
1085 dev_err(smi->parent, "unable to read chip version\n");
1089 dev_info(smi->parent, "RTL%04x ver. %u chip found\n",
1090 chip_id, chip_ver & RTL8366S_CHIP_VERSION_MASK);
1095 static struct rtl8366_smi_ops rtl8366s_smi_ops = {
1096 .detect = rtl8366s_detect,
1097 .setup = rtl8366s_setup,
1099 .mii_read = rtl8366s_mii_read,
1100 .mii_write = rtl8366s_mii_write,
1102 .get_vlan_mc = rtl8366s_get_vlan_mc,
1103 .set_vlan_mc = rtl8366s_set_vlan_mc,
1104 .get_vlan_4k = rtl8366s_get_vlan_4k,
1105 .set_vlan_4k = rtl8366s_set_vlan_4k,
1106 .get_mc_index = rtl8366s_get_mc_index,
1107 .set_mc_index = rtl8366s_set_mc_index,
1108 .get_mib_counter = rtl8366_get_mib_counter,
1109 .is_vlan_valid = rtl8366s_is_vlan_valid,
1112 static int __init rtl8366s_probe(struct platform_device *pdev)
1114 static int rtl8366_smi_version_printed;
1115 struct rtl8366s_platform_data *pdata;
1116 struct rtl8366_smi *smi;
1119 if (!rtl8366_smi_version_printed++)
1120 printk(KERN_NOTICE RTL8366S_DRIVER_DESC
1121 " version " RTL8366S_DRIVER_VER"\n");
1123 pdata = pdev->dev.platform_data;
1125 dev_err(&pdev->dev, "no platform data specified\n");
1130 smi = rtl8366_smi_alloc(&pdev->dev);
1136 smi->gpio_sda = pdata->gpio_sda;
1137 smi->gpio_sck = pdata->gpio_sck;
1138 smi->ops = &rtl8366s_smi_ops;
1139 smi->cpu_port = RTL8366S_PORT_NUM_CPU;
1140 smi->num_ports = RTL8366S_NUM_PORTS;
1141 smi->num_vlan_mc = RTL8366S_NUM_VLANS;
1142 smi->mib_counters = rtl8366s_mib_counters;
1143 smi->num_mib_counters = ARRAY_SIZE(rtl8366s_mib_counters);
1145 err = rtl8366_smi_init(smi);
1149 platform_set_drvdata(pdev, smi);
1151 err = rtl8366s_switch_init(smi);
1153 goto err_clear_drvdata;
1158 platform_set_drvdata(pdev, NULL);
1159 rtl8366_smi_cleanup(smi);
1166 static int rtl8366s_phy_config_init(struct phy_device *phydev)
1168 if (!rtl8366s_mii_bus_match(phydev->bus))
1174 static int rtl8366s_phy_config_aneg(struct phy_device *phydev)
1179 static struct phy_driver rtl8366s_phy_driver = {
1180 .phy_id = 0x001cc960,
1181 .name = "Realtek RTL8366S",
1182 .phy_id_mask = 0x1ffffff0,
1183 .features = PHY_GBIT_FEATURES,
1184 .config_aneg = rtl8366s_phy_config_aneg,
1185 .config_init = rtl8366s_phy_config_init,
1186 .read_status = genphy_read_status,
1188 .owner = THIS_MODULE,
1192 static int __devexit rtl8366s_remove(struct platform_device *pdev)
1194 struct rtl8366_smi *smi = platform_get_drvdata(pdev);
1197 rtl8366s_switch_cleanup(smi);
1198 platform_set_drvdata(pdev, NULL);
1199 rtl8366_smi_cleanup(smi);
1206 static struct platform_driver rtl8366s_driver = {
1208 .name = RTL8366S_DRIVER_NAME,
1209 .owner = THIS_MODULE,
1211 .probe = rtl8366s_probe,
1212 .remove = __devexit_p(rtl8366s_remove),
1215 static int __init rtl8366s_module_init(void)
1218 ret = platform_driver_register(&rtl8366s_driver);
1222 ret = phy_driver_register(&rtl8366s_phy_driver);
1224 goto err_platform_unregister;
1228 err_platform_unregister:
1229 platform_driver_unregister(&rtl8366s_driver);
1232 module_init(rtl8366s_module_init);
1234 static void __exit rtl8366s_module_exit(void)
1236 phy_driver_unregister(&rtl8366s_phy_driver);
1237 platform_driver_unregister(&rtl8366s_driver);
1239 module_exit(rtl8366s_module_exit);
1241 MODULE_DESCRIPTION(RTL8366S_DRIVER_DESC);
1242 MODULE_VERSION(RTL8366S_DRIVER_VER);
1243 MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>");
1244 MODULE_AUTHOR("Antti Seppälä <a.seppala@gmail.com>");
1245 MODULE_LICENSE("GPL v2");
1246 MODULE_ALIAS("platform:" RTL8366S_DRIVER_NAME);