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/device.h>
17 #include <linux/of_platform.h>
18 #include <linux/delay.h>
19 #include <linux/skbuff.h>
20 #include <linux/rtl8366.h>
22 #include "rtl8366_smi.h"
24 #define RTL8366S_DRIVER_DESC "Realtek RTL8366S ethernet switch driver"
25 #define RTL8366S_DRIVER_VER "0.2.2"
27 #define RTL8366S_PHY_NO_MAX 4
28 #define RTL8366S_PHY_PAGE_MAX 7
29 #define RTL8366S_PHY_ADDR_MAX 31
31 /* Switch Global Configuration register */
32 #define RTL8366S_SGCR 0x0000
33 #define RTL8366S_SGCR_EN_BC_STORM_CTRL BIT(0)
34 #define RTL8366S_SGCR_MAX_LENGTH(_x) (_x << 4)
35 #define RTL8366S_SGCR_MAX_LENGTH_MASK RTL8366S_SGCR_MAX_LENGTH(0x3)
36 #define RTL8366S_SGCR_MAX_LENGTH_1522 RTL8366S_SGCR_MAX_LENGTH(0x0)
37 #define RTL8366S_SGCR_MAX_LENGTH_1536 RTL8366S_SGCR_MAX_LENGTH(0x1)
38 #define RTL8366S_SGCR_MAX_LENGTH_1552 RTL8366S_SGCR_MAX_LENGTH(0x2)
39 #define RTL8366S_SGCR_MAX_LENGTH_16000 RTL8366S_SGCR_MAX_LENGTH(0x3)
40 #define RTL8366S_SGCR_EN_VLAN BIT(13)
42 /* Port Enable Control register */
43 #define RTL8366S_PECR 0x0001
45 /* Green Ethernet Feature (based on GPL_BELKIN_F5D8235-4_v1000 v1.01.24) */
46 #define RTL8366S_GREEN_ETHERNET_CTRL_REG 0x000a
47 #define RTL8366S_GREEN_ETHERNET_CTRL_MASK 0x0018
48 #define RTL8366S_GREEN_ETHERNET_TX_BIT (1 << 3)
49 #define RTL8366S_GREEN_ETHERNET_RX_BIT (1 << 4)
51 /* Switch Security Control registers */
52 #define RTL8366S_SSCR0 0x0002
53 #define RTL8366S_SSCR1 0x0003
54 #define RTL8366S_SSCR2 0x0004
55 #define RTL8366S_SSCR2_DROP_UNKNOWN_DA BIT(0)
57 #define RTL8366S_RESET_CTRL_REG 0x0100
58 #define RTL8366S_CHIP_CTRL_RESET_HW 1
59 #define RTL8366S_CHIP_CTRL_RESET_SW (1 << 1)
61 #define RTL8366S_CHIP_VERSION_CTRL_REG 0x0104
62 #define RTL8366S_CHIP_VERSION_MASK 0xf
63 #define RTL8366S_CHIP_ID_REG 0x0105
64 #define RTL8366S_CHIP_ID_8366 0x8366
66 /* PHY registers control */
67 #define RTL8366S_PHY_ACCESS_CTRL_REG 0x8028
68 #define RTL8366S_PHY_ACCESS_DATA_REG 0x8029
70 #define RTL8366S_PHY_CTRL_READ 1
71 #define RTL8366S_PHY_CTRL_WRITE 0
73 #define RTL8366S_PHY_REG_MASK 0x1f
74 #define RTL8366S_PHY_PAGE_OFFSET 5
75 #define RTL8366S_PHY_PAGE_MASK (0x7 << 5)
76 #define RTL8366S_PHY_NO_OFFSET 9
77 #define RTL8366S_PHY_NO_MASK (0x1f << 9)
79 /* Green Ethernet Feature for PHY ports */
80 #define RTL8366S_PHY_POWER_SAVING_CTRL_REG 12
81 #define RTL8366S_PHY_POWER_SAVING_MASK 0x1000
83 /* LED control registers */
84 #define RTL8366S_LED_BLINKRATE_REG 0x0420
85 #define RTL8366S_LED_BLINKRATE_BIT 0
86 #define RTL8366S_LED_BLINKRATE_MASK 0x0007
88 #define RTL8366S_LED_CTRL_REG 0x0421
89 #define RTL8366S_LED_0_1_CTRL_REG 0x0422
90 #define RTL8366S_LED_2_3_CTRL_REG 0x0423
92 #define RTL8366S_MIB_COUNT 33
93 #define RTL8366S_GLOBAL_MIB_COUNT 1
94 #define RTL8366S_MIB_COUNTER_PORT_OFFSET 0x0040
95 #define RTL8366S_MIB_COUNTER_BASE 0x1000
96 #define RTL8366S_MIB_COUNTER_PORT_OFFSET2 0x0008
97 #define RTL8366S_MIB_COUNTER_BASE2 0x1180
98 #define RTL8366S_MIB_CTRL_REG 0x11F0
99 #define RTL8366S_MIB_CTRL_USER_MASK 0x01FF
100 #define RTL8366S_MIB_CTRL_BUSY_MASK 0x0001
101 #define RTL8366S_MIB_CTRL_RESET_MASK 0x0002
103 #define RTL8366S_MIB_CTRL_GLOBAL_RESET_MASK 0x0004
104 #define RTL8366S_MIB_CTRL_PORT_RESET_BIT 0x0003
105 #define RTL8366S_MIB_CTRL_PORT_RESET_MASK 0x01FC
108 #define RTL8366S_PORT_VLAN_CTRL_BASE 0x0058
109 #define RTL8366S_PORT_VLAN_CTRL_REG(_p) \
110 (RTL8366S_PORT_VLAN_CTRL_BASE + (_p) / 4)
111 #define RTL8366S_PORT_VLAN_CTRL_MASK 0xf
112 #define RTL8366S_PORT_VLAN_CTRL_SHIFT(_p) (4 * ((_p) % 4))
115 #define RTL8366S_VLAN_TABLE_READ_BASE 0x018B
116 #define RTL8366S_VLAN_TABLE_WRITE_BASE 0x0185
118 #define RTL8366S_VLAN_TB_CTRL_REG 0x010F
120 #define RTL8366S_TABLE_ACCESS_CTRL_REG 0x0180
121 #define RTL8366S_TABLE_VLAN_READ_CTRL 0x0E01
122 #define RTL8366S_TABLE_VLAN_WRITE_CTRL 0x0F01
124 #define RTL8366S_VLAN_MC_BASE(_x) (0x0016 + (_x) * 2)
126 #define RTL8366S_VLAN_MEMBERINGRESS_REG 0x0379
128 #define RTL8366S_PORT_LINK_STATUS_BASE 0x0060
129 #define RTL8366S_PORT_STATUS_SPEED_MASK 0x0003
130 #define RTL8366S_PORT_STATUS_DUPLEX_MASK 0x0004
131 #define RTL8366S_PORT_STATUS_LINK_MASK 0x0010
132 #define RTL8366S_PORT_STATUS_TXPAUSE_MASK 0x0020
133 #define RTL8366S_PORT_STATUS_RXPAUSE_MASK 0x0040
134 #define RTL8366S_PORT_STATUS_AN_MASK 0x0080
137 #define RTL8366S_PORT_NUM_CPU 5
138 #define RTL8366S_NUM_PORTS 6
139 #define RTL8366S_NUM_VLANS 16
140 #define RTL8366S_NUM_LEDGROUPS 4
141 #define RTL8366S_NUM_VIDS 4096
142 #define RTL8366S_PRIORITYMAX 7
143 #define RTL8366S_FIDMAX 7
146 #define RTL8366S_PORT_1 (1 << 0) /* In userspace port 0 */
147 #define RTL8366S_PORT_2 (1 << 1) /* In userspace port 1 */
148 #define RTL8366S_PORT_3 (1 << 2) /* In userspace port 2 */
149 #define RTL8366S_PORT_4 (1 << 3) /* In userspace port 3 */
151 #define RTL8366S_PORT_UNKNOWN (1 << 4) /* No known connection */
152 #define RTL8366S_PORT_CPU (1 << 5) /* CPU port */
154 #define RTL8366S_PORT_ALL (RTL8366S_PORT_1 | \
158 RTL8366S_PORT_UNKNOWN | \
161 #define RTL8366S_PORT_ALL_BUT_CPU (RTL8366S_PORT_1 | \
165 RTL8366S_PORT_UNKNOWN)
167 #define RTL8366S_PORT_ALL_EXTERNAL (RTL8366S_PORT_1 | \
172 #define RTL8366S_PORT_ALL_INTERNAL (RTL8366S_PORT_UNKNOWN | \
175 #define RTL8366S_VLAN_VID_MASK 0xfff
176 #define RTL8366S_VLAN_PRIORITY_SHIFT 12
177 #define RTL8366S_VLAN_PRIORITY_MASK 0x7
178 #define RTL8366S_VLAN_MEMBER_MASK 0x3f
179 #define RTL8366S_VLAN_UNTAG_SHIFT 6
180 #define RTL8366S_VLAN_UNTAG_MASK 0x3f
181 #define RTL8366S_VLAN_FID_SHIFT 12
182 #define RTL8366S_VLAN_FID_MASK 0x7
184 #define RTL8366S_MIB_RXB_ID 0 /* IfInOctets */
185 #define RTL8366S_MIB_TXB_ID 20 /* IfOutOctets */
187 static struct rtl8366_mib_counter rtl8366s_mib_counters[] = {
188 { 0, 0, 4, "IfInOctets" },
189 { 0, 4, 4, "EtherStatsOctets" },
190 { 0, 8, 2, "EtherStatsUnderSizePkts" },
191 { 0, 10, 2, "EtherFragments" },
192 { 0, 12, 2, "EtherStatsPkts64Octets" },
193 { 0, 14, 2, "EtherStatsPkts65to127Octets" },
194 { 0, 16, 2, "EtherStatsPkts128to255Octets" },
195 { 0, 18, 2, "EtherStatsPkts256to511Octets" },
196 { 0, 20, 2, "EtherStatsPkts512to1023Octets" },
197 { 0, 22, 2, "EtherStatsPkts1024to1518Octets" },
198 { 0, 24, 2, "EtherOversizeStats" },
199 { 0, 26, 2, "EtherStatsJabbers" },
200 { 0, 28, 2, "IfInUcastPkts" },
201 { 0, 30, 2, "EtherStatsMulticastPkts" },
202 { 0, 32, 2, "EtherStatsBroadcastPkts" },
203 { 0, 34, 2, "EtherStatsDropEvents" },
204 { 0, 36, 2, "Dot3StatsFCSErrors" },
205 { 0, 38, 2, "Dot3StatsSymbolErrors" },
206 { 0, 40, 2, "Dot3InPauseFrames" },
207 { 0, 42, 2, "Dot3ControlInUnknownOpcodes" },
208 { 0, 44, 4, "IfOutOctets" },
209 { 0, 48, 2, "Dot3StatsSingleCollisionFrames" },
210 { 0, 50, 2, "Dot3StatMultipleCollisionFrames" },
211 { 0, 52, 2, "Dot3sDeferredTransmissions" },
212 { 0, 54, 2, "Dot3StatsLateCollisions" },
213 { 0, 56, 2, "EtherStatsCollisions" },
214 { 0, 58, 2, "Dot3StatsExcessiveCollisions" },
215 { 0, 60, 2, "Dot3OutPauseFrames" },
216 { 0, 62, 2, "Dot1dBasePortDelayExceededDiscards" },
219 * The following counters are accessible at a different
222 { 1, 0, 2, "Dot1dTpPortInDiscards" },
223 { 1, 2, 2, "IfOutUcastPkts" },
224 { 1, 4, 2, "IfOutMulticastPkts" },
225 { 1, 6, 2, "IfOutBroadcastPkts" },
228 #define REG_WR(_smi, _reg, _val) \
230 err = rtl8366_smi_write_reg(_smi, _reg, _val); \
235 #define REG_RMW(_smi, _reg, _mask, _val) \
237 err = rtl8366_smi_rmwr(_smi, _reg, _mask, _val); \
242 static int rtl8366s_reset_chip(struct rtl8366_smi *smi)
247 rtl8366_smi_write_reg_noack(smi, RTL8366S_RESET_CTRL_REG,
248 RTL8366S_CHIP_CTRL_RESET_HW);
251 if (rtl8366_smi_read_reg(smi, RTL8366S_RESET_CTRL_REG, &data))
254 if (!(data & RTL8366S_CHIP_CTRL_RESET_HW))
259 printk("Timeout waiting for the switch to reset\n");
266 static int rtl8366s_read_phy_reg(struct rtl8366_smi *smi,
267 u32 phy_no, u32 page, u32 addr, u32 *data)
272 if (phy_no > RTL8366S_PHY_NO_MAX)
275 if (page > RTL8366S_PHY_PAGE_MAX)
278 if (addr > RTL8366S_PHY_ADDR_MAX)
281 ret = rtl8366_smi_write_reg(smi, RTL8366S_PHY_ACCESS_CTRL_REG,
282 RTL8366S_PHY_CTRL_READ);
286 reg = 0x8000 | (1 << (phy_no + RTL8366S_PHY_NO_OFFSET)) |
287 ((page << RTL8366S_PHY_PAGE_OFFSET) & RTL8366S_PHY_PAGE_MASK) |
288 (addr & RTL8366S_PHY_REG_MASK);
290 ret = rtl8366_smi_write_reg(smi, reg, 0);
294 ret = rtl8366_smi_read_reg(smi, RTL8366S_PHY_ACCESS_DATA_REG, data);
301 static int rtl8366s_write_phy_reg(struct rtl8366_smi *smi,
302 u32 phy_no, u32 page, u32 addr, u32 data)
307 if (phy_no > RTL8366S_PHY_NO_MAX)
310 if (page > RTL8366S_PHY_PAGE_MAX)
313 if (addr > RTL8366S_PHY_ADDR_MAX)
316 ret = rtl8366_smi_write_reg(smi, RTL8366S_PHY_ACCESS_CTRL_REG,
317 RTL8366S_PHY_CTRL_WRITE);
321 reg = 0x8000 | (1 << (phy_no + RTL8366S_PHY_NO_OFFSET)) |
322 ((page << RTL8366S_PHY_PAGE_OFFSET) & RTL8366S_PHY_PAGE_MASK) |
323 (addr & RTL8366S_PHY_REG_MASK);
325 ret = rtl8366_smi_write_reg(smi, reg, data);
332 static int rtl8366s_set_green_port(struct rtl8366_smi *smi, int port, int enable)
337 if (port >= RTL8366S_NUM_PORTS)
340 err = rtl8366s_read_phy_reg(smi, port, 0, RTL8366S_PHY_POWER_SAVING_CTRL_REG, &phyData);
345 phyData |= RTL8366S_PHY_POWER_SAVING_MASK;
347 phyData &= ~RTL8366S_PHY_POWER_SAVING_MASK;
349 err = rtl8366s_write_phy_reg(smi, port, 0, RTL8366S_PHY_POWER_SAVING_CTRL_REG, phyData);
356 static int rtl8366s_set_green(struct rtl8366_smi *smi, int enable)
363 for (i = 0; i <= RTL8366S_PHY_NO_MAX; i++) {
364 rtl8366s_set_green_port(smi, i, 0);
369 data = (RTL8366S_GREEN_ETHERNET_TX_BIT | RTL8366S_GREEN_ETHERNET_RX_BIT);
371 REG_RMW(smi, RTL8366S_GREEN_ETHERNET_CTRL_REG, RTL8366S_GREEN_ETHERNET_CTRL_MASK, data);
376 static int rtl8366s_setup(struct rtl8366_smi *smi)
378 struct rtl8366_platform_data *pdata;
382 struct device_node *np;
383 unsigned num_initvals;
387 pdata = smi->parent->platform_data;
388 if (pdata && pdata->num_initvals && pdata->initvals) {
389 dev_info(smi->parent, "applying initvals\n");
390 for (i = 0; i < pdata->num_initvals; i++)
391 REG_WR(smi, pdata->initvals[i].reg,
392 pdata->initvals[i].val);
396 np = smi->parent->of_node;
398 paddr = of_get_property(np, "realtek,initvals", &num_initvals);
400 dev_info(smi->parent, "applying initvals from DTS\n");
402 if (num_initvals < (2 * sizeof(*paddr)))
405 num_initvals /= sizeof(*paddr);
407 for (i = 0; i < num_initvals - 1; i += 2) {
408 u32 reg = be32_to_cpup(paddr + i);
409 u32 val = be32_to_cpup(paddr + i + 1);
411 REG_WR(smi, reg, val);
415 if (of_property_read_bool(np, "realtek,green-ethernet-features")) {
416 dev_info(smi->parent, "activating Green Ethernet features\n");
418 err = rtl8366s_set_green(smi, 1);
422 for (i = 0; i <= RTL8366S_PHY_NO_MAX; i++) {
423 err = rtl8366s_set_green_port(smi, i, 1);
430 /* set maximum packet length to 1536 bytes */
431 REG_RMW(smi, RTL8366S_SGCR, RTL8366S_SGCR_MAX_LENGTH_MASK,
432 RTL8366S_SGCR_MAX_LENGTH_1536);
434 /* enable learning for all ports */
435 REG_WR(smi, RTL8366S_SSCR0, 0);
437 /* enable auto ageing for all ports */
438 REG_WR(smi, RTL8366S_SSCR1, 0);
441 * discard VLAN tagged packets if the port is not a member of
442 * the VLAN with which the packets is associated.
444 REG_WR(smi, RTL8366S_VLAN_MEMBERINGRESS_REG, RTL8366S_PORT_ALL);
446 /* don't drop packets whose DA has not been learned */
447 REG_RMW(smi, RTL8366S_SSCR2, RTL8366S_SSCR2_DROP_UNKNOWN_DA, 0);
452 static int rtl8366_get_mib_counter(struct rtl8366_smi *smi, int counter,
453 int port, unsigned long long *val)
460 if (port > RTL8366S_NUM_PORTS || counter >= RTL8366S_MIB_COUNT)
463 switch (rtl8366s_mib_counters[counter].base) {
465 addr = RTL8366S_MIB_COUNTER_BASE +
466 RTL8366S_MIB_COUNTER_PORT_OFFSET * port;
470 addr = RTL8366S_MIB_COUNTER_BASE2 +
471 RTL8366S_MIB_COUNTER_PORT_OFFSET2 * port;
478 addr += rtl8366s_mib_counters[counter].offset;
481 * Writing access counter address first
482 * then ASIC will prepare 64bits counter wait for being retrived
484 data = 0; /* writing data will be discard by ASIC */
485 err = rtl8366_smi_write_reg(smi, addr, data);
489 /* read MIB control register */
490 err = rtl8366_smi_read_reg(smi, RTL8366S_MIB_CTRL_REG, &data);
494 if (data & RTL8366S_MIB_CTRL_BUSY_MASK)
497 if (data & RTL8366S_MIB_CTRL_RESET_MASK)
501 for (i = rtl8366s_mib_counters[counter].length; i > 0; i--) {
502 err = rtl8366_smi_read_reg(smi, addr + (i - 1), &data);
506 mibvalue = (mibvalue << 16) | (data & 0xFFFF);
513 static int rtl8366s_get_vlan_4k(struct rtl8366_smi *smi, u32 vid,
514 struct rtl8366_vlan_4k *vlan4k)
520 memset(vlan4k, '\0', sizeof(struct rtl8366_vlan_4k));
522 if (vid >= RTL8366S_NUM_VIDS)
526 err = rtl8366_smi_write_reg(smi, RTL8366S_VLAN_TABLE_WRITE_BASE,
527 vid & RTL8366S_VLAN_VID_MASK);
531 /* write table access control word */
532 err = rtl8366_smi_write_reg(smi, RTL8366S_TABLE_ACCESS_CTRL_REG,
533 RTL8366S_TABLE_VLAN_READ_CTRL);
537 for (i = 0; i < 2; i++) {
538 err = rtl8366_smi_read_reg(smi,
539 RTL8366S_VLAN_TABLE_READ_BASE + i,
546 vlan4k->untag = (data[1] >> RTL8366S_VLAN_UNTAG_SHIFT) &
547 RTL8366S_VLAN_UNTAG_MASK;
548 vlan4k->member = data[1] & RTL8366S_VLAN_MEMBER_MASK;
549 vlan4k->fid = (data[1] >> RTL8366S_VLAN_FID_SHIFT) &
550 RTL8366S_VLAN_FID_MASK;
555 static int rtl8366s_set_vlan_4k(struct rtl8366_smi *smi,
556 const struct rtl8366_vlan_4k *vlan4k)
562 if (vlan4k->vid >= RTL8366S_NUM_VIDS ||
563 vlan4k->member > RTL8366S_VLAN_MEMBER_MASK ||
564 vlan4k->untag > RTL8366S_VLAN_UNTAG_MASK ||
565 vlan4k->fid > RTL8366S_FIDMAX)
568 data[0] = vlan4k->vid & RTL8366S_VLAN_VID_MASK;
569 data[1] = (vlan4k->member & RTL8366S_VLAN_MEMBER_MASK) |
570 ((vlan4k->untag & RTL8366S_VLAN_UNTAG_MASK) <<
571 RTL8366S_VLAN_UNTAG_SHIFT) |
572 ((vlan4k->fid & RTL8366S_VLAN_FID_MASK) <<
573 RTL8366S_VLAN_FID_SHIFT);
575 for (i = 0; i < 2; i++) {
576 err = rtl8366_smi_write_reg(smi,
577 RTL8366S_VLAN_TABLE_WRITE_BASE + i,
583 /* write table access control word */
584 err = rtl8366_smi_write_reg(smi, RTL8366S_TABLE_ACCESS_CTRL_REG,
585 RTL8366S_TABLE_VLAN_WRITE_CTRL);
590 static int rtl8366s_get_vlan_mc(struct rtl8366_smi *smi, u32 index,
591 struct rtl8366_vlan_mc *vlanmc)
597 memset(vlanmc, '\0', sizeof(struct rtl8366_vlan_mc));
599 if (index >= RTL8366S_NUM_VLANS)
602 for (i = 0; i < 2; i++) {
603 err = rtl8366_smi_read_reg(smi,
604 RTL8366S_VLAN_MC_BASE(index) + i,
610 vlanmc->vid = data[0] & RTL8366S_VLAN_VID_MASK;
611 vlanmc->priority = (data[0] >> RTL8366S_VLAN_PRIORITY_SHIFT) &
612 RTL8366S_VLAN_PRIORITY_MASK;
613 vlanmc->untag = (data[1] >> RTL8366S_VLAN_UNTAG_SHIFT) &
614 RTL8366S_VLAN_UNTAG_MASK;
615 vlanmc->member = data[1] & RTL8366S_VLAN_MEMBER_MASK;
616 vlanmc->fid = (data[1] >> RTL8366S_VLAN_FID_SHIFT) &
617 RTL8366S_VLAN_FID_MASK;
622 static int rtl8366s_set_vlan_mc(struct rtl8366_smi *smi, u32 index,
623 const struct rtl8366_vlan_mc *vlanmc)
629 if (index >= RTL8366S_NUM_VLANS ||
630 vlanmc->vid >= RTL8366S_NUM_VIDS ||
631 vlanmc->priority > RTL8366S_PRIORITYMAX ||
632 vlanmc->member > RTL8366S_VLAN_MEMBER_MASK ||
633 vlanmc->untag > RTL8366S_VLAN_UNTAG_MASK ||
634 vlanmc->fid > RTL8366S_FIDMAX)
637 data[0] = (vlanmc->vid & RTL8366S_VLAN_VID_MASK) |
638 ((vlanmc->priority & RTL8366S_VLAN_PRIORITY_MASK) <<
639 RTL8366S_VLAN_PRIORITY_SHIFT);
640 data[1] = (vlanmc->member & RTL8366S_VLAN_MEMBER_MASK) |
641 ((vlanmc->untag & RTL8366S_VLAN_UNTAG_MASK) <<
642 RTL8366S_VLAN_UNTAG_SHIFT) |
643 ((vlanmc->fid & RTL8366S_VLAN_FID_MASK) <<
644 RTL8366S_VLAN_FID_SHIFT);
646 for (i = 0; i < 2; i++) {
647 err = rtl8366_smi_write_reg(smi,
648 RTL8366S_VLAN_MC_BASE(index) + i,
657 static int rtl8366s_get_mc_index(struct rtl8366_smi *smi, int port, int *val)
662 if (port >= RTL8366S_NUM_PORTS)
665 err = rtl8366_smi_read_reg(smi, RTL8366S_PORT_VLAN_CTRL_REG(port),
670 *val = (data >> RTL8366S_PORT_VLAN_CTRL_SHIFT(port)) &
671 RTL8366S_PORT_VLAN_CTRL_MASK;
676 static int rtl8366s_set_mc_index(struct rtl8366_smi *smi, int port, int index)
678 if (port >= RTL8366S_NUM_PORTS || index >= RTL8366S_NUM_VLANS)
681 return rtl8366_smi_rmwr(smi, RTL8366S_PORT_VLAN_CTRL_REG(port),
682 RTL8366S_PORT_VLAN_CTRL_MASK <<
683 RTL8366S_PORT_VLAN_CTRL_SHIFT(port),
684 (index & RTL8366S_PORT_VLAN_CTRL_MASK) <<
685 RTL8366S_PORT_VLAN_CTRL_SHIFT(port));
688 static int rtl8366s_enable_vlan(struct rtl8366_smi *smi, int enable)
690 return rtl8366_smi_rmwr(smi, RTL8366S_SGCR, RTL8366S_SGCR_EN_VLAN,
691 (enable) ? RTL8366S_SGCR_EN_VLAN : 0);
694 static int rtl8366s_enable_vlan4k(struct rtl8366_smi *smi, int enable)
696 return rtl8366_smi_rmwr(smi, RTL8366S_VLAN_TB_CTRL_REG,
697 1, (enable) ? 1 : 0);
700 static int rtl8366s_is_vlan_valid(struct rtl8366_smi *smi, unsigned vlan)
702 unsigned max = RTL8366S_NUM_VLANS;
704 if (smi->vlan4k_enabled)
705 max = RTL8366S_NUM_VIDS - 1;
707 if (vlan == 0 || vlan >= max)
713 static int rtl8366s_enable_port(struct rtl8366_smi *smi, int port, int enable)
715 return rtl8366_smi_rmwr(smi, RTL8366S_PECR, (1 << port),
716 (enable) ? 0 : (1 << port));
719 static int rtl8366s_sw_reset_mibs(struct switch_dev *dev,
720 const struct switch_attr *attr,
721 struct switch_val *val)
723 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
725 return rtl8366_smi_rmwr(smi, RTL8366S_MIB_CTRL_REG, 0, (1 << 2));
728 static int rtl8366s_sw_get_blinkrate(struct switch_dev *dev,
729 const struct switch_attr *attr,
730 struct switch_val *val)
732 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
735 rtl8366_smi_read_reg(smi, RTL8366S_LED_BLINKRATE_REG, &data);
737 val->value.i = (data & (RTL8366S_LED_BLINKRATE_MASK));
742 static int rtl8366s_sw_set_blinkrate(struct switch_dev *dev,
743 const struct switch_attr *attr,
744 struct switch_val *val)
746 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
748 if (val->value.i >= 6)
751 return rtl8366_smi_rmwr(smi, RTL8366S_LED_BLINKRATE_REG,
752 RTL8366S_LED_BLINKRATE_MASK,
756 static int rtl8366s_sw_get_max_length(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 rtl8366_smi_read_reg(smi, RTL8366S_SGCR, &data);
765 val->value.i = ((data & (RTL8366S_SGCR_MAX_LENGTH_MASK)) >> 4);
770 static int rtl8366s_sw_set_max_length(struct switch_dev *dev,
771 const struct switch_attr *attr,
772 struct switch_val *val)
774 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
777 switch (val->value.i) {
779 length_code = RTL8366S_SGCR_MAX_LENGTH_1522;
782 length_code = RTL8366S_SGCR_MAX_LENGTH_1536;
785 length_code = RTL8366S_SGCR_MAX_LENGTH_1552;
788 length_code = RTL8366S_SGCR_MAX_LENGTH_16000;
794 return rtl8366_smi_rmwr(smi, RTL8366S_SGCR,
795 RTL8366S_SGCR_MAX_LENGTH_MASK,
799 static int rtl8366s_sw_get_learning_enable(struct switch_dev *dev,
800 const struct switch_attr *attr,
801 struct switch_val *val)
803 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
806 rtl8366_smi_read_reg(smi,RTL8366S_SSCR0, &data);
807 val->value.i = !data;
813 static int rtl8366s_sw_set_learning_enable(struct switch_dev *dev,
814 const struct switch_attr *attr,
815 struct switch_val *val)
817 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
822 portmask = RTL8366S_PORT_ALL;
824 /* set learning for all ports */
825 REG_WR(smi, RTL8366S_SSCR0, portmask);
827 /* set auto ageing for all ports */
828 REG_WR(smi, RTL8366S_SSCR1, portmask);
833 static int rtl8366s_sw_get_green(struct switch_dev *dev,
834 const struct switch_attr *attr,
835 struct switch_val *val)
837 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
841 err = rtl8366_smi_read_reg(smi, RTL8366S_GREEN_ETHERNET_CTRL_REG, &data);
845 val->value.i = ((data & (RTL8366S_GREEN_ETHERNET_TX_BIT | RTL8366S_GREEN_ETHERNET_RX_BIT)) != 0) ? 1 : 0;
850 static int rtl8366s_sw_set_green(struct switch_dev *dev,
851 const struct switch_attr *attr,
852 struct switch_val *val)
854 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
856 return rtl8366s_set_green(smi, val->value.i);
859 static int rtl8366s_sw_get_port_link(struct switch_dev *dev,
861 struct switch_port_link *link)
863 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
867 if (port >= RTL8366S_NUM_PORTS)
870 rtl8366_smi_read_reg(smi, RTL8366S_PORT_LINK_STATUS_BASE + (port / 2),
876 link->link = !!(data & RTL8366S_PORT_STATUS_LINK_MASK);
880 link->duplex = !!(data & RTL8366S_PORT_STATUS_DUPLEX_MASK);
881 link->rx_flow = !!(data & RTL8366S_PORT_STATUS_RXPAUSE_MASK);
882 link->tx_flow = !!(data & RTL8366S_PORT_STATUS_TXPAUSE_MASK);
883 link->aneg = !!(data & RTL8366S_PORT_STATUS_AN_MASK);
885 speed = (data & RTL8366S_PORT_STATUS_SPEED_MASK);
888 link->speed = SWITCH_PORT_SPEED_10;
891 link->speed = SWITCH_PORT_SPEED_100;
894 link->speed = SWITCH_PORT_SPEED_1000;
897 link->speed = SWITCH_PORT_SPEED_UNKNOWN;
904 static int rtl8366s_sw_set_port_led(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);
913 if (val->port_vlan >= RTL8366S_NUM_PORTS ||
914 (1 << val->port_vlan) == RTL8366S_PORT_UNKNOWN)
917 if (val->port_vlan == RTL8366S_PORT_NUM_CPU) {
918 reg = RTL8366S_LED_BLINKRATE_REG;
920 data = val->value.i << 4;
922 reg = RTL8366S_LED_CTRL_REG;
923 mask = 0xF << (val->port_vlan * 4),
924 data = val->value.i << (val->port_vlan * 4);
927 return rtl8366_smi_rmwr(smi, reg, mask, data);
930 static int rtl8366s_sw_get_port_led(struct switch_dev *dev,
931 const struct switch_attr *attr,
932 struct switch_val *val)
934 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
937 if (val->port_vlan >= RTL8366S_NUM_LEDGROUPS)
940 rtl8366_smi_read_reg(smi, RTL8366S_LED_CTRL_REG, &data);
941 val->value.i = (data >> (val->port_vlan * 4)) & 0x000F;
946 static int rtl8366s_sw_get_green_port(struct switch_dev *dev,
947 const struct switch_attr *attr,
948 struct switch_val *val)
950 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
954 if (val->port_vlan >= RTL8366S_NUM_PORTS)
957 err = rtl8366s_read_phy_reg(smi, val->port_vlan, 0, RTL8366S_PHY_POWER_SAVING_CTRL_REG, &phyData);
961 val->value.i = ((phyData & RTL8366S_PHY_POWER_SAVING_MASK) != 0) ? 1 : 0;
966 static int rtl8366s_sw_set_green_port(struct switch_dev *dev,
967 const struct switch_attr *attr,
968 struct switch_val *val)
970 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
971 return rtl8366s_set_green_port(smi, val->port_vlan, val->value.i);
974 static int rtl8366s_sw_reset_port_mibs(struct switch_dev *dev,
975 const struct switch_attr *attr,
976 struct switch_val *val)
978 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
980 if (val->port_vlan >= RTL8366S_NUM_PORTS)
984 return rtl8366_smi_rmwr(smi, RTL8366S_MIB_CTRL_REG,
985 0, (1 << (val->port_vlan + 3)));
988 static int rtl8366s_sw_get_port_stats(struct switch_dev *dev, int port,
989 struct switch_port_stats *stats)
991 return (rtl8366_sw_get_port_stats(dev, port, stats,
992 RTL8366S_MIB_TXB_ID, RTL8366S_MIB_RXB_ID));
995 static struct switch_attr rtl8366s_globals[] = {
997 .type = SWITCH_TYPE_INT,
998 .name = "enable_learning",
999 .description = "Enable learning, enable aging",
1000 .set = rtl8366s_sw_set_learning_enable,
1001 .get = rtl8366s_sw_get_learning_enable,
1004 .type = SWITCH_TYPE_INT,
1005 .name = "enable_vlan",
1006 .description = "Enable VLAN mode",
1007 .set = rtl8366_sw_set_vlan_enable,
1008 .get = rtl8366_sw_get_vlan_enable,
1012 .type = SWITCH_TYPE_INT,
1013 .name = "enable_vlan4k",
1014 .description = "Enable VLAN 4K mode",
1015 .set = rtl8366_sw_set_vlan_enable,
1016 .get = rtl8366_sw_get_vlan_enable,
1020 .type = SWITCH_TYPE_NOVAL,
1021 .name = "reset_mibs",
1022 .description = "Reset all MIB counters",
1023 .set = rtl8366s_sw_reset_mibs,
1025 .type = SWITCH_TYPE_INT,
1026 .name = "blinkrate",
1027 .description = "Get/Set LED blinking rate (0 = 43ms, 1 = 84ms,"
1028 " 2 = 120ms, 3 = 170ms, 4 = 340ms, 5 = 670ms)",
1029 .set = rtl8366s_sw_set_blinkrate,
1030 .get = rtl8366s_sw_get_blinkrate,
1033 .type = SWITCH_TYPE_INT,
1034 .name = "max_length",
1035 .description = "Get/Set the maximum length of valid packets"
1036 " (0 = 1522, 1 = 1536, 2 = 1552, 3 = 16000 (9216?))",
1037 .set = rtl8366s_sw_set_max_length,
1038 .get = rtl8366s_sw_get_max_length,
1041 .type = SWITCH_TYPE_INT,
1042 .name = "green_mode",
1043 .description = "Get/Set the router green feature",
1044 .set = rtl8366s_sw_set_green,
1045 .get = rtl8366s_sw_get_green,
1050 static struct switch_attr rtl8366s_port[] = {
1052 .type = SWITCH_TYPE_NOVAL,
1053 .name = "reset_mib",
1054 .description = "Reset single port MIB counters",
1055 .set = rtl8366s_sw_reset_port_mibs,
1057 .type = SWITCH_TYPE_STRING,
1059 .description = "Get MIB counters for port",
1062 .get = rtl8366_sw_get_port_mib,
1064 .type = SWITCH_TYPE_INT,
1066 .description = "Get/Set port group (0 - 3) led mode (0 - 15)",
1068 .set = rtl8366s_sw_set_port_led,
1069 .get = rtl8366s_sw_get_port_led,
1071 .type = SWITCH_TYPE_INT,
1072 .name = "green_port",
1073 .description = "Get/Set port green feature (0 - 1)",
1075 .set = rtl8366s_sw_set_green_port,
1076 .get = rtl8366s_sw_get_green_port,
1080 static struct switch_attr rtl8366s_vlan[] = {
1082 .type = SWITCH_TYPE_STRING,
1084 .description = "Get vlan information",
1087 .get = rtl8366_sw_get_vlan_info,
1089 .type = SWITCH_TYPE_INT,
1091 .description = "Get/Set vlan FID",
1092 .max = RTL8366S_FIDMAX,
1093 .set = rtl8366_sw_set_vlan_fid,
1094 .get = rtl8366_sw_get_vlan_fid,
1098 static const struct switch_dev_ops rtl8366_ops = {
1100 .attr = rtl8366s_globals,
1101 .n_attr = ARRAY_SIZE(rtl8366s_globals),
1104 .attr = rtl8366s_port,
1105 .n_attr = ARRAY_SIZE(rtl8366s_port),
1108 .attr = rtl8366s_vlan,
1109 .n_attr = ARRAY_SIZE(rtl8366s_vlan),
1112 .get_vlan_ports = rtl8366_sw_get_vlan_ports,
1113 .set_vlan_ports = rtl8366_sw_set_vlan_ports,
1114 .get_port_pvid = rtl8366_sw_get_port_pvid,
1115 .set_port_pvid = rtl8366_sw_set_port_pvid,
1116 .reset_switch = rtl8366_sw_reset_switch,
1117 .get_port_link = rtl8366s_sw_get_port_link,
1118 .get_port_stats = rtl8366s_sw_get_port_stats,
1121 static int rtl8366s_switch_init(struct rtl8366_smi *smi)
1123 struct switch_dev *dev = &smi->sw_dev;
1126 dev->name = "RTL8366S";
1127 dev->cpu_port = RTL8366S_PORT_NUM_CPU;
1128 dev->ports = RTL8366S_NUM_PORTS;
1129 dev->vlans = RTL8366S_NUM_VIDS;
1130 dev->ops = &rtl8366_ops;
1131 dev->alias = dev_name(smi->parent);
1133 err = register_switch(dev, NULL);
1135 dev_err(smi->parent, "switch registration failed\n");
1140 static void rtl8366s_switch_cleanup(struct rtl8366_smi *smi)
1142 unregister_switch(&smi->sw_dev);
1145 static int rtl8366s_mii_read(struct mii_bus *bus, int addr, int reg)
1147 struct rtl8366_smi *smi = bus->priv;
1151 err = rtl8366s_read_phy_reg(smi, addr, 0, reg, &val);
1158 static int rtl8366s_mii_write(struct mii_bus *bus, int addr, int reg, u16 val)
1160 struct rtl8366_smi *smi = bus->priv;
1164 err = rtl8366s_write_phy_reg(smi, addr, 0, reg, val);
1166 (void) rtl8366s_read_phy_reg(smi, addr, 0, reg, &t);
1171 static int rtl8366s_detect(struct rtl8366_smi *smi)
1177 ret = rtl8366_smi_read_reg(smi, RTL8366S_CHIP_ID_REG, &chip_id);
1179 dev_err(smi->parent, "unable to read chip id\n");
1184 case RTL8366S_CHIP_ID_8366:
1187 dev_err(smi->parent, "unknown chip id (%04x)\n", chip_id);
1191 ret = rtl8366_smi_read_reg(smi, RTL8366S_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 & RTL8366S_CHIP_VERSION_MASK);
1204 static struct rtl8366_smi_ops rtl8366s_smi_ops = {
1205 .detect = rtl8366s_detect,
1206 .reset_chip = rtl8366s_reset_chip,
1207 .setup = rtl8366s_setup,
1209 .mii_read = rtl8366s_mii_read,
1210 .mii_write = rtl8366s_mii_write,
1212 .get_vlan_mc = rtl8366s_get_vlan_mc,
1213 .set_vlan_mc = rtl8366s_set_vlan_mc,
1214 .get_vlan_4k = rtl8366s_get_vlan_4k,
1215 .set_vlan_4k = rtl8366s_set_vlan_4k,
1216 .get_mc_index = rtl8366s_get_mc_index,
1217 .set_mc_index = rtl8366s_set_mc_index,
1218 .get_mib_counter = rtl8366_get_mib_counter,
1219 .is_vlan_valid = rtl8366s_is_vlan_valid,
1220 .enable_vlan = rtl8366s_enable_vlan,
1221 .enable_vlan4k = rtl8366s_enable_vlan4k,
1222 .enable_port = rtl8366s_enable_port,
1225 static int rtl8366s_probe(struct platform_device *pdev)
1227 static int rtl8366_smi_version_printed;
1228 struct rtl8366_smi *smi;
1231 if (!rtl8366_smi_version_printed++)
1232 printk(KERN_NOTICE RTL8366S_DRIVER_DESC
1233 " version " RTL8366S_DRIVER_VER"\n");
1235 smi = rtl8366_smi_probe(pdev);
1239 smi->clk_delay = 10;
1240 smi->cmd_read = 0xa9;
1241 smi->cmd_write = 0xa8;
1242 smi->ops = &rtl8366s_smi_ops;
1243 smi->cpu_port = RTL8366S_PORT_NUM_CPU;
1244 smi->num_ports = RTL8366S_NUM_PORTS;
1245 smi->num_vlan_mc = RTL8366S_NUM_VLANS;
1246 smi->mib_counters = rtl8366s_mib_counters;
1247 smi->num_mib_counters = ARRAY_SIZE(rtl8366s_mib_counters);
1249 err = rtl8366_smi_init(smi);
1253 platform_set_drvdata(pdev, smi);
1255 err = rtl8366s_switch_init(smi);
1257 goto err_clear_drvdata;
1262 platform_set_drvdata(pdev, NULL);
1263 rtl8366_smi_cleanup(smi);
1269 static int rtl8366s_remove(struct platform_device *pdev)
1271 struct rtl8366_smi *smi = platform_get_drvdata(pdev);
1274 rtl8366s_switch_cleanup(smi);
1275 platform_set_drvdata(pdev, NULL);
1276 rtl8366_smi_cleanup(smi);
1284 static const struct of_device_id rtl8366s_match[] = {
1285 { .compatible = "realtek,rtl8366s" },
1288 MODULE_DEVICE_TABLE(of, rtl8366s_match);
1291 static struct platform_driver rtl8366s_driver = {
1293 .name = RTL8366S_DRIVER_NAME,
1294 .owner = THIS_MODULE,
1296 .of_match_table = of_match_ptr(rtl8366s_match),
1299 .probe = rtl8366s_probe,
1300 .remove = rtl8366s_remove,
1303 static int __init rtl8366s_module_init(void)
1305 return platform_driver_register(&rtl8366s_driver);
1307 module_init(rtl8366s_module_init);
1309 static void __exit rtl8366s_module_exit(void)
1311 platform_driver_unregister(&rtl8366s_driver);
1313 module_exit(rtl8366s_module_exit);
1315 MODULE_DESCRIPTION(RTL8366S_DRIVER_DESC);
1316 MODULE_VERSION(RTL8366S_DRIVER_VER);
1317 MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>");
1318 MODULE_AUTHOR("Antti Seppälä <a.seppala@gmail.com>");
1319 MODULE_LICENSE("GPL v2");
1320 MODULE_ALIAS("platform:" RTL8366S_DRIVER_NAME);