2 * Realtek RTL8366 SMI interface driver
4 * Copyright (C) 2009-2010 Gabor Juhos <juhosg@openwrt.org>
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 as published
8 * by the Free Software Foundation.
11 #include <linux/kernel.h>
12 #include <linux/module.h>
13 #include <linux/device.h>
14 #include <linux/delay.h>
15 #include <linux/gpio.h>
16 #include <linux/spinlock.h>
17 #include <linux/skbuff.h>
19 #ifdef CONFIG_RTL8366S_PHY_DEBUG_FS
20 #include <linux/debugfs.h>
23 #include "rtl8366_smi.h"
25 #define RTL8366_SMI_ACK_RETRY_COUNT 5
26 #define RTL8366_SMI_CLK_DELAY 10 /* nsec */
28 static inline void rtl8366_smi_clk_delay(struct rtl8366_smi *smi)
30 ndelay(RTL8366_SMI_CLK_DELAY);
33 static void rtl8366_smi_start(struct rtl8366_smi *smi)
35 unsigned int sda = smi->gpio_sda;
36 unsigned int sck = smi->gpio_sck;
39 * Set GPIO pins to output mode, with initial state:
42 gpio_direction_output(sck, 0);
43 gpio_direction_output(sda, 1);
44 rtl8366_smi_clk_delay(smi);
46 /* CLK 1: 0 -> 1, 1 -> 0 */
47 gpio_set_value(sck, 1);
48 rtl8366_smi_clk_delay(smi);
49 gpio_set_value(sck, 0);
50 rtl8366_smi_clk_delay(smi);
53 gpio_set_value(sck, 1);
54 rtl8366_smi_clk_delay(smi);
55 gpio_set_value(sda, 0);
56 rtl8366_smi_clk_delay(smi);
57 gpio_set_value(sck, 0);
58 rtl8366_smi_clk_delay(smi);
59 gpio_set_value(sda, 1);
62 static void rtl8366_smi_stop(struct rtl8366_smi *smi)
64 unsigned int sda = smi->gpio_sda;
65 unsigned int sck = smi->gpio_sck;
67 rtl8366_smi_clk_delay(smi);
68 gpio_set_value(sda, 0);
69 gpio_set_value(sck, 1);
70 rtl8366_smi_clk_delay(smi);
71 gpio_set_value(sda, 1);
72 rtl8366_smi_clk_delay(smi);
73 gpio_set_value(sck, 1);
74 rtl8366_smi_clk_delay(smi);
75 gpio_set_value(sck, 0);
76 rtl8366_smi_clk_delay(smi);
77 gpio_set_value(sck, 1);
80 rtl8366_smi_clk_delay(smi);
81 gpio_set_value(sck, 0);
82 rtl8366_smi_clk_delay(smi);
83 gpio_set_value(sck, 1);
85 /* set GPIO pins to input mode */
86 gpio_direction_input(sda);
87 gpio_direction_input(sck);
90 static void rtl8366_smi_write_bits(struct rtl8366_smi *smi, u32 data, u32 len)
92 unsigned int sda = smi->gpio_sda;
93 unsigned int sck = smi->gpio_sck;
95 for (; len > 0; len--) {
96 rtl8366_smi_clk_delay(smi);
99 gpio_set_value(sda, !!(data & ( 1 << (len - 1))));
100 rtl8366_smi_clk_delay(smi);
103 gpio_set_value(sck, 1);
104 rtl8366_smi_clk_delay(smi);
105 gpio_set_value(sck, 0);
109 static void rtl8366_smi_read_bits(struct rtl8366_smi *smi, u32 len, u32 *data)
111 unsigned int sda = smi->gpio_sda;
112 unsigned int sck = smi->gpio_sck;
114 gpio_direction_input(sda);
116 for (*data = 0; len > 0; len--) {
119 rtl8366_smi_clk_delay(smi);
122 gpio_set_value(sck, 1);
123 rtl8366_smi_clk_delay(smi);
124 u = !!gpio_get_value(sda);
125 gpio_set_value(sck, 0);
127 *data |= (u << (len - 1));
130 gpio_direction_output(sda, 0);
133 static int rtl8366_smi_wait_for_ack(struct rtl8366_smi *smi)
141 rtl8366_smi_read_bits(smi, 1, &ack);
145 if (++retry_cnt > RTL8366_SMI_ACK_RETRY_COUNT)
152 static int rtl8366_smi_write_byte(struct rtl8366_smi *smi, u8 data)
154 rtl8366_smi_write_bits(smi, data, 8);
155 return rtl8366_smi_wait_for_ack(smi);
158 static int rtl8366_smi_read_byte0(struct rtl8366_smi *smi, u8 *data)
163 rtl8366_smi_read_bits(smi, 8, &t);
167 rtl8366_smi_write_bits(smi, 0x00, 1);
172 static int rtl8366_smi_read_byte1(struct rtl8366_smi *smi, u8 *data)
177 rtl8366_smi_read_bits(smi, 8, &t);
181 rtl8366_smi_write_bits(smi, 0x01, 1);
186 int rtl8366_smi_read_reg(struct rtl8366_smi *smi, u32 addr, u32 *data)
193 spin_lock_irqsave(&smi->lock, flags);
195 rtl8366_smi_start(smi);
197 /* send READ command */
198 ret = rtl8366_smi_write_byte(smi, 0x0a << 4 | 0x04 << 1 | 0x01);
203 ret = rtl8366_smi_write_byte(smi, addr & 0xff);
208 ret = rtl8366_smi_write_byte(smi, addr >> 8);
213 rtl8366_smi_read_byte0(smi, &lo);
214 /* read DATA[15:8] */
215 rtl8366_smi_read_byte1(smi, &hi);
217 *data = ((u32) lo) | (((u32) hi) << 8);
222 rtl8366_smi_stop(smi);
223 spin_unlock_irqrestore(&smi->lock, flags);
227 EXPORT_SYMBOL_GPL(rtl8366_smi_read_reg);
229 int rtl8366_smi_write_reg(struct rtl8366_smi *smi, u32 addr, u32 data)
234 spin_lock_irqsave(&smi->lock, flags);
236 rtl8366_smi_start(smi);
238 /* send WRITE command */
239 ret = rtl8366_smi_write_byte(smi, 0x0a << 4 | 0x04 << 1 | 0x00);
244 ret = rtl8366_smi_write_byte(smi, addr & 0xff);
249 ret = rtl8366_smi_write_byte(smi, addr >> 8);
253 /* write DATA[7:0] */
254 ret = rtl8366_smi_write_byte(smi, data & 0xff);
258 /* write DATA[15:8] */
259 ret = rtl8366_smi_write_byte(smi, data >> 8);
266 rtl8366_smi_stop(smi);
267 spin_unlock_irqrestore(&smi->lock, flags);
271 EXPORT_SYMBOL_GPL(rtl8366_smi_write_reg);
273 int rtl8366_smi_rmwr(struct rtl8366_smi *smi, u32 addr, u32 mask, u32 data)
278 err = rtl8366_smi_read_reg(smi, addr, &t);
282 err = rtl8366_smi_write_reg(smi, addr, (t & ~mask) | data);
286 EXPORT_SYMBOL_GPL(rtl8366_smi_rmwr);
288 static int rtl8366_mc_is_used(struct rtl8366_smi *smi, int mc_index, int *used)
294 for (i = 0; i < smi->num_ports; i++) {
297 err = smi->ops->get_mc_index(smi, i, &index);
301 if (mc_index == index) {
310 static int rtl8366_set_vlan(struct rtl8366_smi *smi, int vid, u32 member,
313 struct rtl8366_vlan_4k vlan4k;
317 /* Update the 4K table */
318 err = smi->ops->get_vlan_4k(smi, vid, &vlan4k);
322 vlan4k.member = member;
323 vlan4k.untag = untag;
325 err = smi->ops->set_vlan_4k(smi, &vlan4k);
329 /* Try to find an existing MC entry for this VID */
330 for (i = 0; i < smi->num_vlan_mc; i++) {
331 struct rtl8366_vlan_mc vlanmc;
333 err = smi->ops->get_vlan_mc(smi, i, &vlanmc);
337 if (vid == vlanmc.vid) {
338 /* update the MC entry */
339 vlanmc.member = member;
340 vlanmc.untag = untag;
343 err = smi->ops->set_vlan_mc(smi, i, &vlanmc);
351 static int rtl8366_get_pvid(struct rtl8366_smi *smi, int port, int *val)
353 struct rtl8366_vlan_mc vlanmc;
357 err = smi->ops->get_mc_index(smi, port, &index);
361 err = smi->ops->get_vlan_mc(smi, index, &vlanmc);
369 static int rtl8366_set_pvid(struct rtl8366_smi *smi, unsigned port,
372 struct rtl8366_vlan_mc vlanmc;
373 struct rtl8366_vlan_4k vlan4k;
377 /* Try to find an existing MC entry for this VID */
378 for (i = 0; i < smi->num_vlan_mc; i++) {
379 err = smi->ops->get_vlan_mc(smi, i, &vlanmc);
383 if (vid == vlanmc.vid) {
384 err = smi->ops->set_vlan_mc(smi, i, &vlanmc);
388 err = smi->ops->set_mc_index(smi, port, i);
393 /* We have no MC entry for this VID, try to find an empty one */
394 for (i = 0; i < smi->num_vlan_mc; i++) {
395 err = smi->ops->get_vlan_mc(smi, i, &vlanmc);
399 if (vlanmc.vid == 0 && vlanmc.member == 0) {
400 /* Update the entry from the 4K table */
401 err = smi->ops->get_vlan_4k(smi, vid, &vlan4k);
406 vlanmc.member = vlan4k.member;
407 vlanmc.untag = vlan4k.untag;
408 vlanmc.fid = vlan4k.fid;
409 err = smi->ops->set_vlan_mc(smi, i, &vlanmc);
413 err = smi->ops->set_mc_index(smi, port, i);
418 /* MC table is full, try to find an unused entry and replace it */
419 for (i = 0; i < smi->num_vlan_mc; i++) {
422 err = rtl8366_mc_is_used(smi, i, &used);
427 /* Update the entry from the 4K table */
428 err = smi->ops->get_vlan_4k(smi, vid, &vlan4k);
433 vlanmc.member = vlan4k.member;
434 vlanmc.untag = vlan4k.untag;
435 vlanmc.fid = vlan4k.fid;
436 err = smi->ops->set_vlan_mc(smi, i, &vlanmc);
440 err = smi->ops->set_mc_index(smi, port, i);
446 "all VLAN member configurations are in use\n");
451 static int rtl8366_enable_vlan(struct rtl8366_smi *smi, int enable)
455 err = smi->ops->enable_vlan(smi, enable);
459 smi->vlan_enabled = enable;
462 smi->vlan4k_enabled = 0;
463 err = smi->ops->enable_vlan4k(smi, enable);
469 static int rtl8366_enable_vlan4k(struct rtl8366_smi *smi, int enable)
474 err = smi->ops->enable_vlan(smi, enable);
478 smi->vlan_enabled = enable;
481 err = smi->ops->enable_vlan4k(smi, enable);
485 smi->vlan4k_enabled = enable;
489 int rtl8366_reset_vlan(struct rtl8366_smi *smi)
491 struct rtl8366_vlan_mc vlanmc;
495 rtl8366_enable_vlan(smi, 0);
496 rtl8366_enable_vlan4k(smi, 0);
498 /* clear VLAN member configurations */
504 for (i = 0; i < smi->num_vlan_mc; i++) {
505 err = smi->ops->set_vlan_mc(smi, i, &vlanmc);
510 for (i = 0; i < smi->num_ports; i++) {
511 if (i == smi->cpu_port)
514 err = rtl8366_set_vlan(smi, (i + 1),
515 (1 << i) | (1 << smi->cpu_port),
516 (1 << i) | (1 << smi->cpu_port),
521 err = rtl8366_set_pvid(smi, i, (i + 1));
528 EXPORT_SYMBOL_GPL(rtl8366_reset_vlan);
530 #ifdef CONFIG_RTL8366S_PHY_DEBUG_FS
531 int rtl8366_debugfs_open(struct inode *inode, struct file *file)
533 file->private_data = inode->i_private;
536 EXPORT_SYMBOL_GPL(rtl8366_debugfs_open);
538 static ssize_t rtl8366_read_debugfs_vlan_mc(struct file *file,
539 char __user *user_buf,
540 size_t count, loff_t *ppos)
542 struct rtl8366_smi *smi = (struct rtl8366_smi *)file->private_data;
544 char *buf = smi->buf;
546 len += snprintf(buf + len, sizeof(smi->buf) - len,
547 "%2s %6s %4s %6s %6s %3s\n",
548 "id", "vid","prio", "member", "untag", "fid");
550 for (i = 0; i < smi->num_vlan_mc; ++i) {
551 struct rtl8366_vlan_mc vlanmc;
553 smi->ops->get_vlan_mc(smi, i, &vlanmc);
555 len += snprintf(buf + len, sizeof(smi->buf) - len,
556 "%2d %6d %4d 0x%04x 0x%04x %3d\n",
557 i, vlanmc.vid, vlanmc.priority,
558 vlanmc.member, vlanmc.untag, vlanmc.fid);
561 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
564 static ssize_t rtl8366_read_debugfs_pvid(struct file *file,
565 char __user *user_buf,
566 size_t count, loff_t *ppos)
568 struct rtl8366_smi *smi = (struct rtl8366_smi *)file->private_data;
569 char *buf = smi->buf;
573 len += snprintf(buf + len, sizeof(smi->buf) - len, "%4s %4s\n",
576 for (i = 0; i < smi->num_ports; i++) {
580 err = rtl8366_get_pvid(smi, i, &pvid);
582 len += snprintf(buf + len, sizeof(smi->buf) - len,
585 len += snprintf(buf + len, sizeof(smi->buf) - len,
586 "%4d %4d\n", i, pvid);
589 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
592 static ssize_t rtl8366_read_debugfs_reg(struct file *file,
593 char __user *user_buf,
594 size_t count, loff_t *ppos)
596 struct rtl8366_smi *smi = (struct rtl8366_smi *)file->private_data;
597 u32 t, reg = smi->dbg_reg;
599 char *buf = smi->buf;
601 memset(buf, '\0', sizeof(smi->buf));
603 err = rtl8366_smi_read_reg(smi, reg, &t);
605 len += snprintf(buf, sizeof(smi->buf),
606 "Read failed (reg: 0x%04x)\n", reg);
607 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
610 len += snprintf(buf, sizeof(smi->buf), "reg = 0x%04x, val = 0x%04x\n",
613 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
616 static ssize_t rtl8366_write_debugfs_reg(struct file *file,
617 const char __user *user_buf,
618 size_t count, loff_t *ppos)
620 struct rtl8366_smi *smi = (struct rtl8366_smi *)file->private_data;
622 u32 reg = smi->dbg_reg;
625 char *buf = smi->buf;
627 len = min(count, sizeof(smi->buf) - 1);
628 if (copy_from_user(buf, user_buf, len)) {
629 dev_err(smi->parent, "copy from user failed\n");
634 if (len > 0 && buf[len - 1] == '\n')
638 if (strict_strtoul(buf, 16, &data)) {
639 dev_err(smi->parent, "Invalid reg value %s\n", buf);
641 err = rtl8366_smi_write_reg(smi, reg, data);
644 "writing reg 0x%04x val 0x%04lx failed\n",
652 static ssize_t rtl8366_read_debugfs_mibs(struct file *file,
653 char __user *user_buf,
654 size_t count, loff_t *ppos)
656 struct rtl8366_smi *smi = file->private_data;
658 char *buf = smi->buf;
660 len += snprintf(buf + len, sizeof(smi->buf) - len, "%-36s",
663 for (i = 0; i < smi->num_ports; i++) {
666 snprintf(port_buf, sizeof(port_buf), "Port %d", i);
667 len += snprintf(buf + len, sizeof(smi->buf) - len, " %12s",
670 len += snprintf(buf + len, sizeof(smi->buf) - len, "\n");
672 for (i = 0; i < smi->num_mib_counters; i++) {
673 len += snprintf(buf + len, sizeof(smi->buf) - len, "%-36s ",
674 smi->mib_counters[i].name);
675 for (j = 0; j < smi->num_ports; j++) {
676 unsigned long long counter = 0;
678 if (!smi->ops->get_mib_counter(smi, i, j, &counter))
679 len += snprintf(buf + len,
680 sizeof(smi->buf) - len,
683 len += snprintf(buf + len,
684 sizeof(smi->buf) - len,
687 len += snprintf(buf + len, sizeof(smi->buf) - len, "\n");
690 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
693 static const struct file_operations fops_rtl8366_regs = {
694 .read = rtl8366_read_debugfs_reg,
695 .write = rtl8366_write_debugfs_reg,
696 .open = rtl8366_debugfs_open,
700 static const struct file_operations fops_rtl8366_vlan_mc = {
701 .read = rtl8366_read_debugfs_vlan_mc,
702 .open = rtl8366_debugfs_open,
706 static const struct file_operations fops_rtl8366_pvid = {
707 .read = rtl8366_read_debugfs_pvid,
708 .open = rtl8366_debugfs_open,
712 static const struct file_operations fops_rtl8366_mibs = {
713 .read = rtl8366_read_debugfs_mibs,
714 .open = rtl8366_debugfs_open,
718 static void rtl8366_debugfs_init(struct rtl8366_smi *smi)
723 if (!smi->debugfs_root)
724 smi->debugfs_root = debugfs_create_dir(dev_name(smi->parent),
727 if (!smi->debugfs_root) {
728 dev_err(smi->parent, "Unable to create debugfs dir\n");
731 root = smi->debugfs_root;
733 node = debugfs_create_x16("reg", S_IRUGO | S_IWUSR, root,
736 dev_err(smi->parent, "Creating debugfs file '%s' failed\n",
741 node = debugfs_create_file("val", S_IRUGO | S_IWUSR, root, smi,
744 dev_err(smi->parent, "Creating debugfs file '%s' failed\n",
749 node = debugfs_create_file("vlan_mc", S_IRUSR, root, smi,
750 &fops_rtl8366_vlan_mc);
752 dev_err(smi->parent, "Creating debugfs file '%s' failed\n",
757 node = debugfs_create_file("pvid", S_IRUSR, root, smi,
760 dev_err(smi->parent, "Creating debugfs file '%s' failed\n",
765 node = debugfs_create_file("mibs", S_IRUSR, smi->debugfs_root, smi,
768 dev_err(smi->parent, "Creating debugfs file '%s' failed\n",
772 static void rtl8366_debugfs_remove(struct rtl8366_smi *smi)
774 if (smi->debugfs_root) {
775 debugfs_remove_recursive(smi->debugfs_root);
776 smi->debugfs_root = NULL;
780 static inline void rtl8366_debugfs_init(struct rtl8366_smi *smi) {}
781 static inline void rtl8366_debugfs_remove(struct rtl8366_smi *smi) {}
782 #endif /* CONFIG_RTL8366S_PHY_DEBUG_FS */
784 static int rtl8366_smi_mii_init(struct rtl8366_smi *smi)
789 smi->mii_bus = mdiobus_alloc();
790 if (smi->mii_bus == NULL) {
795 smi->mii_bus->priv = (void *) smi;
796 smi->mii_bus->name = dev_name(smi->parent);
797 smi->mii_bus->read = smi->ops->mii_read;
798 smi->mii_bus->write = smi->ops->mii_write;
799 snprintf(smi->mii_bus->id, MII_BUS_ID_SIZE, "%s",
800 dev_name(smi->parent));
801 smi->mii_bus->parent = smi->parent;
802 smi->mii_bus->phy_mask = ~(0x1f);
803 smi->mii_bus->irq = smi->mii_irq;
804 for (i = 0; i < PHY_MAX_ADDR; i++)
805 smi->mii_irq[i] = PHY_POLL;
807 ret = mdiobus_register(smi->mii_bus);
814 mdiobus_free(smi->mii_bus);
819 static void rtl8366_smi_mii_cleanup(struct rtl8366_smi *smi)
821 mdiobus_unregister(smi->mii_bus);
822 mdiobus_free(smi->mii_bus);
825 int rtl8366_sw_get_port_pvid(struct switch_dev *dev, int port, int *val)
827 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
828 return rtl8366_get_pvid(smi, port, val);
830 EXPORT_SYMBOL_GPL(rtl8366_sw_get_port_pvid);
832 int rtl8366_sw_set_port_pvid(struct switch_dev *dev, int port, int val)
834 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
835 return rtl8366_set_pvid(smi, port, val);
837 EXPORT_SYMBOL_GPL(rtl8366_sw_set_port_pvid);
839 int rtl8366_sw_get_port_mib(struct switch_dev *dev,
840 const struct switch_attr *attr,
841 struct switch_val *val)
843 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
845 unsigned long long counter = 0;
846 char *buf = smi->buf;
848 if (val->port_vlan >= smi->num_ports)
851 len += snprintf(buf + len, sizeof(smi->buf) - len,
852 "Port %d MIB counters\n",
855 for (i = 0; i < smi->num_mib_counters; ++i) {
856 len += snprintf(buf + len, sizeof(smi->buf) - len,
857 "%-36s: ", smi->mib_counters[i].name);
858 if (!smi->ops->get_mib_counter(smi, i, val->port_vlan,
860 len += snprintf(buf + len, sizeof(smi->buf) - len,
863 len += snprintf(buf + len, sizeof(smi->buf) - len,
871 EXPORT_SYMBOL_GPL(rtl8366_sw_get_port_mib);
873 int rtl8366_sw_get_vlan_info(struct switch_dev *dev,
874 const struct switch_attr *attr,
875 struct switch_val *val)
879 struct rtl8366_vlan_4k vlan4k;
880 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
881 char *buf = smi->buf;
884 if (!smi->ops->is_vlan_valid(smi, val->port_vlan))
887 memset(buf, '\0', sizeof(smi->buf));
889 err = smi->ops->get_vlan_4k(smi, val->port_vlan, &vlan4k);
893 len += snprintf(buf + len, sizeof(smi->buf) - len,
894 "VLAN %d: Ports: '", vlan4k.vid);
896 for (i = 0; i < smi->num_ports; i++) {
897 if (!(vlan4k.member & (1 << i)))
900 len += snprintf(buf + len, sizeof(smi->buf) - len, "%d%s", i,
901 (vlan4k.untag & (1 << i)) ? "" : "t");
904 len += snprintf(buf + len, sizeof(smi->buf) - len,
905 "', members=%04x, untag=%04x, fid=%u",
906 vlan4k.member, vlan4k.untag, vlan4k.fid);
913 EXPORT_SYMBOL_GPL(rtl8366_sw_get_vlan_info);
915 int rtl8366_sw_get_vlan_ports(struct switch_dev *dev, struct switch_val *val)
917 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
918 struct switch_port *port;
919 struct rtl8366_vlan_4k vlan4k;
922 if (!smi->ops->is_vlan_valid(smi, val->port_vlan))
925 smi->ops->get_vlan_4k(smi, val->port_vlan, &vlan4k);
927 port = &val->value.ports[0];
929 for (i = 0; i < smi->num_ports; i++) {
930 if (!(vlan4k.member & BIT(i)))
934 port->flags = (vlan4k.untag & BIT(i)) ?
935 0 : BIT(SWITCH_PORT_FLAG_TAGGED);
941 EXPORT_SYMBOL_GPL(rtl8366_sw_get_vlan_ports);
943 int rtl8366_sw_set_vlan_ports(struct switch_dev *dev, struct switch_val *val)
945 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
946 struct switch_port *port;
952 if (!smi->ops->is_vlan_valid(smi, val->port_vlan))
955 port = &val->value.ports[0];
956 for (i = 0; i < val->len; i++, port++) {
957 member |= BIT(port->id);
959 if (!(port->flags & BIT(SWITCH_PORT_FLAG_TAGGED)))
960 untag |= BIT(port->id);
963 * To ensure that we have a valid MC entry for this VLAN,
964 * initialize the port VLAN ID here.
966 err = rtl8366_set_pvid(smi, port->id, val->port_vlan);
971 return rtl8366_set_vlan(smi, val->port_vlan, member, untag, 0);
973 EXPORT_SYMBOL_GPL(rtl8366_sw_set_vlan_ports);
975 int rtl8366_sw_get_vlan_enable(struct switch_dev *dev,
976 const struct switch_attr *attr,
977 struct switch_val *val)
979 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
985 val->value.i = smi->vlan_enabled;
987 val->value.i = smi->vlan4k_enabled;
991 EXPORT_SYMBOL_GPL(rtl8366_sw_get_vlan_enable);
993 int rtl8366_sw_set_vlan_enable(struct switch_dev *dev,
994 const struct switch_attr *attr,
995 struct switch_val *val)
997 struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
1004 err = rtl8366_enable_vlan(smi, val->value.i);
1006 err = rtl8366_enable_vlan4k(smi, val->value.i);
1010 EXPORT_SYMBOL_GPL(rtl8366_sw_set_vlan_enable);
1012 struct rtl8366_smi *rtl8366_smi_alloc(struct device *parent)
1014 struct rtl8366_smi *smi;
1018 smi = kzalloc(sizeof(*smi), GFP_KERNEL);
1020 dev_err(parent, "no memory for private data\n");
1024 smi->parent = parent;
1027 EXPORT_SYMBOL_GPL(rtl8366_smi_alloc);
1029 int rtl8366_smi_init(struct rtl8366_smi *smi)
1036 err = gpio_request(smi->gpio_sda, dev_name(smi->parent));
1038 dev_err(smi->parent, "gpio_request failed for %u, err=%d\n",
1039 smi->gpio_sda, err);
1043 err = gpio_request(smi->gpio_sck, dev_name(smi->parent));
1045 dev_err(smi->parent, "gpio_request failed for %u, err=%d\n",
1046 smi->gpio_sck, err);
1050 spin_lock_init(&smi->lock);
1052 dev_info(smi->parent, "using GPIO pins %u (SDA) and %u (SCK)\n",
1053 smi->gpio_sda, smi->gpio_sck);
1055 err = smi->ops->detect(smi);
1057 dev_err(smi->parent, "chip detection failed, err=%d\n", err);
1061 err = smi->ops->setup(smi);
1063 dev_err(smi->parent, "chip setup failed, err=%d\n", err);
1067 err = rtl8366_smi_mii_init(smi);
1071 rtl8366_debugfs_init(smi);
1076 gpio_free(smi->gpio_sck);
1078 gpio_free(smi->gpio_sda);
1082 EXPORT_SYMBOL_GPL(rtl8366_smi_init);
1084 void rtl8366_smi_cleanup(struct rtl8366_smi *smi)
1086 rtl8366_debugfs_remove(smi);
1087 rtl8366_smi_mii_cleanup(smi);
1088 gpio_free(smi->gpio_sck);
1089 gpio_free(smi->gpio_sda);
1091 EXPORT_SYMBOL_GPL(rtl8366_smi_cleanup);
1093 MODULE_DESCRIPTION("Realtek RTL8366 SMI interface driver");
1094 MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>");
1095 MODULE_LICENSE("GPL v2");