2 * ar8216.c: AR8216 switch driver
4 * Copyright (C) 2009 Felix Fietkau <nbd@openwrt.org>
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version 2
9 * of the License, or (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
18 #include <linux/module.h>
19 #include <linux/init.h>
20 #include <linux/list.h>
21 #include <linux/if_ether.h>
22 #include <linux/skbuff.h>
23 #include <linux/netdevice.h>
24 #include <linux/netlink.h>
25 #include <linux/bitops.h>
26 #include <net/genetlink.h>
27 #include <linux/switch.h>
28 #include <linux/delay.h>
29 #include <linux/phy.h>
30 #include <linux/netdevice.h>
31 #include <linux/etherdevice.h>
34 /* size of the vlan table */
35 #define AR8X16_MAX_VLANS 128
36 #define AR8X16_PROBE_RETRIES 10
39 struct switch_dev dev
;
40 struct phy_device
*phy
;
41 u32 (*read
)(struct ar8216_priv
*priv
, int reg
);
42 void (*write
)(struct ar8216_priv
*priv
, int reg
, u32 val
);
43 const struct net_device_ops
*ndo_old
;
44 struct net_device_ops ndo
;
45 struct mutex reg_mutex
;
51 /* all fields below are cleared on reset */
53 u16 vlan_id
[AR8X16_MAX_VLANS
];
54 u8 vlan_table
[AR8X16_MAX_VLANS
];
56 u16 pvid
[AR8216_NUM_PORTS
];
59 #define to_ar8216(_dev) container_of(_dev, struct ar8216_priv, dev)
62 split_addr(u32 regaddr
, u16
*r1
, u16
*r2
, u16
*page
)
71 *page
= regaddr
& 0x1ff;
75 ar8216_mii_read(struct ar8216_priv
*priv
, int reg
)
77 struct phy_device
*phy
= priv
->phy
;
81 split_addr((u32
) reg
, &r1
, &r2
, &page
);
82 mdiobus_write(phy
->bus
, 0x18, 0, page
);
83 msleep(1); /* wait for the page switch to propagate */
84 lo
= mdiobus_read(phy
->bus
, 0x10 | r2
, r1
);
85 hi
= mdiobus_read(phy
->bus
, 0x10 | r2
, r1
+ 1);
87 return (hi
<< 16) | lo
;
91 ar8216_mii_write(struct ar8216_priv
*priv
, int reg
, u32 val
)
93 struct phy_device
*phy
= priv
->phy
;
97 split_addr((u32
) reg
, &r1
, &r2
, &r3
);
98 mdiobus_write(phy
->bus
, 0x18, 0, r3
);
99 msleep(1); /* wait for the page switch to propagate */
102 hi
= (u16
) (val
>> 16);
103 mdiobus_write(phy
->bus
, 0x10 | r2
, r1
+ 1, hi
);
104 mdiobus_write(phy
->bus
, 0x10 | r2
, r1
, lo
);
108 ar8216_rmw(struct ar8216_priv
*priv
, int reg
, u32 mask
, u32 val
)
112 v
= priv
->read(priv
, reg
);
115 priv
->write(priv
, reg
, v
);
121 ar8216_id_chip(struct ar8216_priv
*priv
)
127 val
= ar8216_mii_read(priv
, AR8216_REG_CTRL
);
131 id
= val
& (AR8216_CTRL_REVISION
| AR8216_CTRL_VERSION
);
132 for (i
= 0; i
< AR8X16_PROBE_RETRIES
; i
++) {
135 val
= ar8216_mii_read(priv
, AR8216_REG_CTRL
);
139 t
= val
& (AR8216_CTRL_REVISION
| AR8216_CTRL_VERSION
);
152 "ar8216: Unknown Atheros device [ver=%d, rev=%d, phy_id=%04x%04x]\n",
153 (int)(id
>> AR8216_CTRL_VERSION_S
),
154 (int)(id
& AR8216_CTRL_REVISION
),
155 mdiobus_read(priv
->phy
->bus
, priv
->phy
->addr
, 2),
156 mdiobus_read(priv
->phy
->bus
, priv
->phy
->addr
, 3));
163 ar8216_set_vlan(struct switch_dev
*dev
, const struct switch_attr
*attr
,
164 struct switch_val
*val
)
166 struct ar8216_priv
*priv
= to_ar8216(dev
);
167 priv
->vlan
= !!val
->value
.i
;
172 ar8216_get_vlan(struct switch_dev
*dev
, const struct switch_attr
*attr
,
173 struct switch_val
*val
)
175 struct ar8216_priv
*priv
= to_ar8216(dev
);
176 val
->value
.i
= priv
->vlan
;
182 ar8216_set_pvid(struct switch_dev
*dev
, int port
, int vlan
)
184 struct ar8216_priv
*priv
= to_ar8216(dev
);
186 /* make sure no invalid PVIDs get set */
188 if (vlan
>= dev
->vlans
)
191 priv
->pvid
[port
] = vlan
;
196 ar8216_get_pvid(struct switch_dev
*dev
, int port
, int *vlan
)
198 struct ar8216_priv
*priv
= to_ar8216(dev
);
199 *vlan
= priv
->pvid
[port
];
204 ar8216_set_vid(struct switch_dev
*dev
, const struct switch_attr
*attr
,
205 struct switch_val
*val
)
207 struct ar8216_priv
*priv
= to_ar8216(dev
);
208 priv
->vlan_id
[val
->port_vlan
] = val
->value
.i
;
213 ar8216_get_vid(struct switch_dev
*dev
, const struct switch_attr
*attr
,
214 struct switch_val
*val
)
216 struct ar8216_priv
*priv
= to_ar8216(dev
);
217 val
->value
.i
= priv
->vlan_id
[val
->port_vlan
];
221 static const char *ar8216_speed_str(unsigned speed
)
224 case AR8216_PORT_SPEED_10M
:
226 case AR8216_PORT_SPEED_100M
:
228 case AR8216_PORT_SPEED_1000M
:
235 static int ar8216_port_get_link(struct switch_dev
*dev
,
236 const struct switch_attr
*attr
,
237 struct switch_val
*val
)
239 struct ar8216_priv
*priv
= to_ar8216(dev
);
244 port
= val
->port_vlan
;
246 memset(priv
->buf
, '\0', sizeof(priv
->buf
));
247 status
= priv
->read(priv
, AR8216_REG_PORT_STATUS(port
));
249 if (status
& AR8216_PORT_STATUS_LINK_UP
) {
250 len
= snprintf(priv
->buf
, sizeof(priv
->buf
),
251 "port:%d link:up speed:%s %s-duplex %s%s%s",
253 ar8216_speed_str((status
&
254 AR8216_PORT_STATUS_SPEED
) >>
255 AR8216_PORT_STATUS_SPEED_S
),
256 (status
& AR8216_PORT_STATUS_DUPLEX
) ?
258 (status
& AR8216_PORT_STATUS_TXFLOW
) ?
260 (status
& AR8216_PORT_STATUS_RXFLOW
) ?
262 (status
& AR8216_PORT_STATUS_LINK_AUTO
) ?
265 len
= snprintf(priv
->buf
, sizeof(priv
->buf
), "port:%d link:down",
269 val
->value
.s
= priv
->buf
;
276 ar8216_mangle_tx(struct sk_buff
*skb
, struct net_device
*dev
)
278 struct ar8216_priv
*priv
= dev
->phy_ptr
;
287 if (unlikely(skb_headroom(skb
) < 2)) {
288 if (pskb_expand_head(skb
, 2, 0, GFP_ATOMIC
) < 0)
292 buf
= skb_push(skb
, 2);
297 return priv
->ndo_old
->ndo_start_xmit(skb
, dev
);
300 dev_kfree_skb_any(skb
);
305 ar8216_mangle_rx(struct sk_buff
*skb
, int napi
)
307 struct ar8216_priv
*priv
;
308 struct net_device
*dev
;
320 /* don't strip the header if vlan mode is disabled */
324 /* strip header, get vlan id */
328 /* check for vlan header presence */
329 if ((buf
[12 + 2] != 0x81) || (buf
[13 + 2] != 0x00))
334 /* no need to fix up packets coming from a tagged source */
335 if (priv
->vlan_tagged
& (1 << port
))
338 /* lookup port vid from local table, the switch passes an invalid vlan id */
339 vlan
= priv
->vlan_id
[priv
->pvid
[port
]];
342 buf
[14 + 2] |= vlan
>> 8;
343 buf
[15 + 2] = vlan
& 0xff;
346 skb
->protocol
= eth_type_trans(skb
, skb
->dev
);
349 return netif_receive_skb(skb
);
351 return netif_rx(skb
);
354 /* no vlan? eat the packet! */
355 dev_kfree_skb_any(skb
);
360 ar8216_netif_rx(struct sk_buff
*skb
)
362 return ar8216_mangle_rx(skb
, 0);
366 ar8216_netif_receive_skb(struct sk_buff
*skb
)
368 return ar8216_mangle_rx(skb
, 1);
372 static struct switch_attr ar8216_globals
[] = {
374 .type
= SWITCH_TYPE_INT
,
375 .name
= "enable_vlan",
376 .description
= "Enable VLAN mode",
377 .set
= ar8216_set_vlan
,
378 .get
= ar8216_get_vlan
,
383 static struct switch_attr ar8216_port
[] = {
385 .type
= SWITCH_TYPE_STRING
,
387 .description
= "Get port link information",
390 .get
= ar8216_port_get_link
,
394 static struct switch_attr ar8216_vlan
[] = {
396 .type
= SWITCH_TYPE_INT
,
398 .description
= "VLAN ID (0-4094)",
399 .set
= ar8216_set_vid
,
400 .get
= ar8216_get_vid
,
407 ar8216_get_ports(struct switch_dev
*dev
, struct switch_val
*val
)
409 struct ar8216_priv
*priv
= to_ar8216(dev
);
410 u8 ports
= priv
->vlan_table
[val
->port_vlan
];
414 for (i
= 0; i
< AR8216_NUM_PORTS
; i
++) {
415 struct switch_port
*p
;
417 if (!(ports
& (1 << i
)))
420 p
= &val
->value
.ports
[val
->len
++];
422 if (priv
->vlan_tagged
& (1 << i
))
423 p
->flags
= (1 << SWITCH_PORT_FLAG_TAGGED
);
431 ar8216_set_ports(struct switch_dev
*dev
, struct switch_val
*val
)
433 struct ar8216_priv
*priv
= to_ar8216(dev
);
434 u8
*vt
= &priv
->vlan_table
[val
->port_vlan
];
438 for (i
= 0; i
< val
->len
; i
++) {
439 struct switch_port
*p
= &val
->value
.ports
[i
];
441 if (p
->flags
& (1 << SWITCH_PORT_FLAG_TAGGED
))
442 priv
->vlan_tagged
|= (1 << p
->id
);
444 priv
->vlan_tagged
&= ~(1 << p
->id
);
445 priv
->pvid
[p
->id
] = val
->port_vlan
;
447 /* make sure that an untagged port does not
448 * appear in other vlans */
449 for (j
= 0; j
< AR8X16_MAX_VLANS
; j
++) {
450 if (j
== val
->port_vlan
)
452 priv
->vlan_table
[j
] &= ~(1 << p
->id
);
462 ar8216_wait_bit(struct ar8216_priv
*priv
, int reg
, u32 mask
, u32 val
)
466 while ((priv
->read(priv
, reg
) & mask
) != val
) {
467 if (timeout
-- <= 0) {
468 printk(KERN_ERR
"ar8216: timeout waiting for operation to complete\n");
476 ar8216_vtu_op(struct ar8216_priv
*priv
, u32 op
, u32 val
)
478 if (ar8216_wait_bit(priv
, AR8216_REG_VTU
, AR8216_VTU_ACTIVE
, 0))
480 if ((op
& AR8216_VTU_OP
) == AR8216_VTU_OP_LOAD
) {
481 val
&= AR8216_VTUDATA_MEMBER
;
482 val
|= AR8216_VTUDATA_VALID
;
483 priv
->write(priv
, AR8216_REG_VTU_DATA
, val
);
485 op
|= AR8216_VTU_ACTIVE
;
486 priv
->write(priv
, AR8216_REG_VTU
, op
);
490 ar8216_hw_apply(struct switch_dev
*dev
)
492 struct ar8216_priv
*priv
= to_ar8216(dev
);
493 u8 portmask
[AR8216_NUM_PORTS
];
496 mutex_lock(&priv
->reg_mutex
);
497 /* flush all vlan translation unit entries */
498 ar8216_vtu_op(priv
, AR8216_VTU_OP_FLUSH
, 0);
500 memset(portmask
, 0, sizeof(portmask
));
502 /* calculate the port destination masks and load vlans
503 * into the vlan translation unit */
504 for (j
= 0; j
< AR8X16_MAX_VLANS
; j
++) {
505 u8 vp
= priv
->vlan_table
[j
];
510 for (i
= 0; i
< AR8216_NUM_PORTS
; i
++) {
513 portmask
[i
] |= vp
& ~mask
;
518 (priv
->vlan_id
[j
] << AR8216_VTU_VID_S
),
519 priv
->vlan_table
[j
]);
523 * isolate all ports, but connect them to the cpu port */
524 for (i
= 0; i
< AR8216_NUM_PORTS
; i
++) {
525 if (i
== AR8216_PORT_CPU
)
528 portmask
[i
] = 1 << AR8216_PORT_CPU
;
529 portmask
[AR8216_PORT_CPU
] |= (1 << i
);
533 /* update the port destination mask registers and tag settings */
534 for (i
= 0; i
< AR8216_NUM_PORTS
; i
++) {
539 pvid
= priv
->vlan_id
[priv
->pvid
[i
]];
544 if (priv
->vlan
&& (priv
->vlan_tagged
& (1 << i
))) {
545 egress
= AR8216_OUT_ADD_VLAN
;
547 egress
= AR8216_OUT_STRIP_VLAN
;
550 ingress
= AR8216_IN_SECURE
;
552 ingress
= AR8216_IN_PORT_ONLY
;
555 ar8216_rmw(priv
, AR8216_REG_PORT_CTRL(i
),
556 AR8216_PORT_CTRL_LEARN
| AR8216_PORT_CTRL_VLAN_MODE
|
557 AR8216_PORT_CTRL_SINGLE_VLAN
| AR8216_PORT_CTRL_STATE
|
558 AR8216_PORT_CTRL_HEADER
| AR8216_PORT_CTRL_LEARN_LOCK
,
559 AR8216_PORT_CTRL_LEARN
|
560 (priv
->vlan
&& i
== AR8216_PORT_CPU
&& (priv
->chip
== AR8216
) ?
561 AR8216_PORT_CTRL_HEADER
: 0) |
562 (egress
<< AR8216_PORT_CTRL_VLAN_MODE_S
) |
563 (AR8216_PORT_STATE_FORWARD
<< AR8216_PORT_CTRL_STATE_S
));
565 ar8216_rmw(priv
, AR8216_REG_PORT_VLAN(i
),
566 AR8216_PORT_VLAN_DEST_PORTS
| AR8216_PORT_VLAN_MODE
|
567 AR8216_PORT_VLAN_DEFAULT_ID
,
568 (portmask
[i
] << AR8216_PORT_VLAN_DEST_PORTS_S
) |
569 (ingress
<< AR8216_PORT_VLAN_MODE_S
) |
570 (pvid
<< AR8216_PORT_VLAN_DEFAULT_ID_S
));
572 mutex_unlock(&priv
->reg_mutex
);
577 ar8316_hw_init(struct ar8216_priv
*priv
) {
582 val
= priv
->read(priv
, 0x8);
584 if (priv
->phy
->interface
== PHY_INTERFACE_MODE_RGMII
) {
585 if (priv
->port4_phy
) {
586 /* value taken from Ubiquiti RouterStation Pro */
588 printk(KERN_INFO
"ar8316: Using port 4 as PHY\n");
591 printk(KERN_INFO
"ar8316: Using port 4 as switch port\n");
593 } else if (priv
->phy
->interface
== PHY_INTERFACE_MODE_GMII
) {
594 /* value taken from AVM Fritz!Box 7390 sources */
597 /* no known value for phy interface */
598 printk(KERN_ERR
"ar8316: unsupported mii mode: %d.\n",
599 priv
->phy
->interface
);
606 priv
->write(priv
, 0x8, newval
);
608 /* standard atheros magic */
609 priv
->write(priv
, 0x38, 0xc000050e);
611 /* Initialize the ports */
612 bus
= priv
->phy
->bus
;
613 for (i
= 0; i
< 5; i
++) {
614 if ((i
== 4) && priv
->port4_phy
&&
615 priv
->phy
->interface
== PHY_INTERFACE_MODE_RGMII
) {
616 /* work around for phy4 rgmii mode */
617 mdiobus_write(bus
, i
, MII_ATH_DBG_ADDR
, 0x12);
618 mdiobus_write(bus
, i
, MII_ATH_DBG_DATA
, 0x480c);
620 mdiobus_write(bus
, i
, MII_ATH_DBG_ADDR
, 0x0);
621 mdiobus_write(bus
, i
, MII_ATH_DBG_DATA
, 0x824e);
623 mdiobus_write(bus
, i
, MII_ATH_DBG_ADDR
, 0x5);
624 mdiobus_write(bus
, i
, MII_ATH_DBG_DATA
, 0x3d47);
628 /* initialize the port itself */
629 mdiobus_write(bus
, i
, MII_ADVERTISE
,
630 ADVERTISE_ALL
| ADVERTISE_PAUSE_CAP
| ADVERTISE_PAUSE_ASYM
);
631 mdiobus_write(bus
, i
, MII_CTRL1000
, ADVERTISE_1000FULL
);
632 mdiobus_write(bus
, i
, MII_BMCR
, BMCR_RESET
| BMCR_ANENABLE
);
637 priv
->initialized
= true;
642 ar8216_reset_switch(struct switch_dev
*dev
)
644 struct ar8216_priv
*priv
= to_ar8216(dev
);
647 mutex_lock(&priv
->reg_mutex
);
648 memset(&priv
->vlan
, 0, sizeof(struct ar8216_priv
) -
649 offsetof(struct ar8216_priv
, vlan
));
650 for (i
= 0; i
< AR8X16_MAX_VLANS
; i
++) {
651 priv
->vlan_id
[i
] = i
;
653 for (i
= 0; i
< AR8216_NUM_PORTS
; i
++) {
654 /* Enable port learning and tx */
655 priv
->write(priv
, AR8216_REG_PORT_CTRL(i
),
656 AR8216_PORT_CTRL_LEARN
|
657 (4 << AR8216_PORT_CTRL_STATE_S
));
659 priv
->write(priv
, AR8216_REG_PORT_VLAN(i
), 0);
661 /* Configure all PHYs */
662 if (i
== AR8216_PORT_CPU
) {
663 priv
->write(priv
, AR8216_REG_PORT_STATUS(i
),
664 AR8216_PORT_STATUS_LINK_UP
|
665 ((priv
->chip
== AR8316
) ?
666 AR8216_PORT_SPEED_1000M
: AR8216_PORT_SPEED_100M
) |
667 AR8216_PORT_STATUS_TXMAC
|
668 AR8216_PORT_STATUS_RXMAC
|
669 ((priv
->chip
== AR8316
) ? AR8216_PORT_STATUS_RXFLOW
: 0) |
670 ((priv
->chip
== AR8316
) ? AR8216_PORT_STATUS_TXFLOW
: 0) |
671 AR8216_PORT_STATUS_DUPLEX
);
673 priv
->write(priv
, AR8216_REG_PORT_STATUS(i
),
674 AR8216_PORT_STATUS_LINK_AUTO
);
677 /* XXX: undocumented magic from atheros, required! */
678 priv
->write(priv
, 0x38, 0xc000050e);
680 if (priv
->chip
== AR8216
) {
681 ar8216_rmw(priv
, AR8216_REG_GLOBAL_CTRL
,
682 AR8216_GCTRL_MTU
, 1518 + 8 + 2);
683 } else if (priv
->chip
== AR8316
) {
684 /* enable jumbo frames */
685 ar8216_rmw(priv
, AR8216_REG_GLOBAL_CTRL
,
686 AR8316_GCTRL_MTU
, 9018 + 8 + 2);
689 if (priv
->chip
== AR8316
) {
690 /* enable cpu port to receive multicast and broadcast frames */
691 priv
->write(priv
, AR8216_REG_FLOOD_MASK
, 0x003f003f);
693 mutex_unlock(&priv
->reg_mutex
);
694 return ar8216_hw_apply(dev
);
698 static const struct switch_dev_ops ar8216_ops
= {
700 .attr
= ar8216_globals
,
701 .n_attr
= ARRAY_SIZE(ar8216_globals
),
705 .n_attr
= ARRAY_SIZE(ar8216_port
),
709 .n_attr
= ARRAY_SIZE(ar8216_vlan
),
711 .get_port_pvid
= ar8216_get_pvid
,
712 .set_port_pvid
= ar8216_set_pvid
,
713 .get_vlan_ports
= ar8216_get_ports
,
714 .set_vlan_ports
= ar8216_set_ports
,
715 .apply_config
= ar8216_hw_apply
,
716 .reset_switch
= ar8216_reset_switch
,
720 ar8216_config_init(struct phy_device
*pdev
)
722 struct ar8216_priv
*priv
= pdev
->priv
;
723 struct net_device
*dev
= pdev
->attached_dev
;
724 struct switch_dev
*swdev
;
728 priv
= kzalloc(sizeof(struct ar8216_priv
), GFP_KERNEL
);
735 priv
->chip
= ar8216_id_chip(priv
);
737 if (pdev
->addr
!= 0) {
738 if (priv
->chip
== AR8316
) {
739 pdev
->supported
|= SUPPORTED_1000baseT_Full
;
740 pdev
->advertising
|= ADVERTISED_1000baseT_Full
;
742 /* check if we're attaching to the switch twice */
743 pdev
= pdev
->bus
->phy_map
[0];
749 /* switch device has not been initialized, reuse priv */
751 priv
->port4_phy
= true;
758 /* switch device has been initialized, reinit */
760 priv
->dev
.ports
= (AR8216_NUM_PORTS
- 1);
761 priv
->initialized
= false;
762 priv
->port4_phy
= true;
763 ar8316_hw_init(priv
);
771 printk(KERN_INFO
"%s: AR%d switch driver attached.\n",
772 pdev
->attached_dev
->name
, priv
->chip
);
774 pdev
->supported
= priv
->chip
== AR8316
?
775 SUPPORTED_1000baseT_Full
: SUPPORTED_100baseT_Full
;
776 pdev
->advertising
= pdev
->supported
;
778 mutex_init(&priv
->reg_mutex
);
779 priv
->read
= ar8216_mii_read
;
780 priv
->write
= ar8216_mii_write
;
785 swdev
->cpu_port
= AR8216_PORT_CPU
;
786 swdev
->ops
= &ar8216_ops
;
787 swdev
->ports
= AR8216_NUM_PORTS
;
789 if (priv
->chip
== AR8316
) {
790 swdev
->name
= "Atheros AR8316";
791 swdev
->vlans
= AR8X16_MAX_VLANS
;
793 if (priv
->port4_phy
) {
794 /* port 5 connected to the other mac, therefore unusable */
795 swdev
->ports
= (AR8216_NUM_PORTS
- 1);
798 swdev
->name
= "Atheros AR8216";
799 swdev
->vlans
= AR8216_NUM_VLANS
;
802 if ((ret
= register_switch(&priv
->dev
, pdev
->attached_dev
)) < 0) {
807 if (priv
->chip
== AR8316
) {
808 ret
= ar8316_hw_init(priv
);
815 ret
= ar8216_reset_switch(&priv
->dev
);
823 /* VID fixup only needed on ar8216 */
824 if (pdev
->addr
== 0 && priv
->chip
== AR8216
) {
826 pdev
->netif_receive_skb
= ar8216_netif_receive_skb
;
827 pdev
->netif_rx
= ar8216_netif_rx
;
828 priv
->ndo_old
= dev
->netdev_ops
;
829 memcpy(&priv
->ndo
, priv
->ndo_old
, sizeof(struct net_device_ops
));
830 priv
->ndo
.ndo_start_xmit
= ar8216_mangle_tx
;
831 dev
->netdev_ops
= &priv
->ndo
;
839 ar8216_read_status(struct phy_device
*phydev
)
841 struct ar8216_priv
*priv
= phydev
->priv
;
843 if (phydev
->addr
!= 0) {
844 return genphy_read_status(phydev
);
847 phydev
->speed
= priv
->chip
== AR8316
? SPEED_1000
: SPEED_100
;
848 phydev
->duplex
= DUPLEX_FULL
;
851 /* flush the address translation unit */
852 mutex_lock(&priv
->reg_mutex
);
853 ret
= ar8216_wait_bit(priv
, AR8216_REG_ATU
, AR8216_ATU_ACTIVE
, 0);
856 priv
->write(priv
, AR8216_REG_ATU
, AR8216_ATU_OP_FLUSH
);
859 mutex_unlock(&priv
->reg_mutex
);
861 phydev
->state
= PHY_RUNNING
;
862 netif_carrier_on(phydev
->attached_dev
);
863 phydev
->adjust_link(phydev
->attached_dev
);
869 ar8216_config_aneg(struct phy_device
*phydev
)
871 if (phydev
->addr
== 0)
874 return genphy_config_aneg(phydev
);
878 ar8216_probe(struct phy_device
*pdev
)
880 struct ar8216_priv priv
;
884 chip
= ar8216_id_chip(&priv
);
892 ar8216_remove(struct phy_device
*pdev
)
894 struct ar8216_priv
*priv
= pdev
->priv
;
895 struct net_device
*dev
= pdev
->attached_dev
;
900 if (priv
->ndo_old
&& dev
)
901 dev
->netdev_ops
= priv
->ndo_old
;
903 unregister_switch(&priv
->dev
);
907 static struct phy_driver ar8216_driver
= {
908 .phy_id
= 0x004d0000,
909 .name
= "Atheros AR8216/AR8316",
910 .phy_id_mask
= 0xffff0000,
911 .features
= PHY_BASIC_FEATURES
,
912 .probe
= ar8216_probe
,
913 .remove
= ar8216_remove
,
914 .config_init
= &ar8216_config_init
,
915 .config_aneg
= &ar8216_config_aneg
,
916 .read_status
= &ar8216_read_status
,
917 .driver
= { .owner
= THIS_MODULE
},
923 return phy_driver_register(&ar8216_driver
);
929 phy_driver_unregister(&ar8216_driver
);
932 module_init(ar8216_init
);
933 module_exit(ar8216_exit
);
934 MODULE_LICENSE("GPL");