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net: use netdev_mc_count and netdev_mc_empty when appropriate
[net-next-2.6.git] / drivers / net / usb / asix.c
CommitLineData
2e55cc72
DB		 1/*
2 * ASIX AX8817X based USB 2.0 Ethernet Devices
933a27d3 3 * Copyright (C) 2003-2006 David Hollis <dhollis@davehollis.com>
2e55cc72 4 * Copyright (C) 2005 Phil Chang <pchang23@sbcglobal.net>
933a27d3 5 * Copyright (C) 2006 James Painter <jamie.painter@iname.com>
2e55cc72
DB		 6 * Copyright (c) 2002-2003 TiVo Inc.
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 */
22
23// #define DEBUG // error path messages, extra info
24// #define VERBOSE // more; success messages
25
2e55cc72
DB		 26#include <linux/module.h>
27#include <linux/kmod.h>
2e55cc72
DB		 28#include <linux/init.h>
29#include <linux/netdevice.h>
30#include <linux/etherdevice.h>
31#include <linux/ethtool.h>
32#include <linux/workqueue.h>
33#include <linux/mii.h>
34#include <linux/usb.h>
35#include <linux/crc32.h>
3692e94f 36#include <linux/usb/usbnet.h>
2e55cc72 37
933a27d3
DH		 38#define DRIVER_VERSION "14-Jun-2006"
39static const char driver_name [] = "asix";
40
2e55cc72
DB		 41/* ASIX AX8817X based USB 2.0 Ethernet Devices */
42
43#define AX_CMD_SET_SW_MII 0x06
44#define AX_CMD_READ_MII_REG 0x07
45#define AX_CMD_WRITE_MII_REG 0x08
46#define AX_CMD_SET_HW_MII 0x0a
47#define AX_CMD_READ_EEPROM 0x0b
48#define AX_CMD_WRITE_EEPROM 0x0c
49#define AX_CMD_WRITE_ENABLE 0x0d
50#define AX_CMD_WRITE_DISABLE 0x0e
933a27d3 51#define AX_CMD_READ_RX_CTL 0x0f
2e55cc72
DB		 52#define AX_CMD_WRITE_RX_CTL 0x10
53#define AX_CMD_READ_IPG012 0x11
54#define AX_CMD_WRITE_IPG0 0x12
55#define AX_CMD_WRITE_IPG1 0x13
933a27d3 56#define AX_CMD_READ_NODE_ID 0x13
2e55cc72
DB		 57#define AX_CMD_WRITE_IPG2 0x14
58#define AX_CMD_WRITE_MULTI_FILTER 0x16
933a27d3 59#define AX88172_CMD_READ_NODE_ID 0x17
2e55cc72
DB		 60#define AX_CMD_READ_PHY_ID 0x19
61#define AX_CMD_READ_MEDIUM_STATUS 0x1a
62#define AX_CMD_WRITE_MEDIUM_MODE 0x1b
63#define AX_CMD_READ_MONITOR_MODE 0x1c
64#define AX_CMD_WRITE_MONITOR_MODE 0x1d
933a27d3 65#define AX_CMD_READ_GPIOS 0x1e
2e55cc72
DB		 66#define AX_CMD_WRITE_GPIOS 0x1f
67#define AX_CMD_SW_RESET 0x20
68#define AX_CMD_SW_PHY_STATUS 0x21
69#define AX_CMD_SW_PHY_SELECT 0x22
2e55cc72
DB		 70
71#define AX_MONITOR_MODE 0x01
72#define AX_MONITOR_LINK 0x02
73#define AX_MONITOR_MAGIC 0x04
74#define AX_MONITOR_HSFS 0x10
75
76/* AX88172 Medium Status Register values */
933a27d3
DH		 77#define AX88172_MEDIUM_FD 0x02
78#define AX88172_MEDIUM_TX 0x04
79#define AX88172_MEDIUM_FC 0x10
80#define AX88172_MEDIUM_DEFAULT \
81 ( AX88172_MEDIUM_FD | AX88172_MEDIUM_TX | AX88172_MEDIUM_FC )
2e55cc72
DB		 82
83#define AX_MCAST_FILTER_SIZE 8
84#define AX_MAX_MCAST 64
85
2e55cc72
DB		 86#define AX_SWRESET_CLEAR 0x00
87#define AX_SWRESET_RR 0x01
88#define AX_SWRESET_RT 0x02
89#define AX_SWRESET_PRTE 0x04
90#define AX_SWRESET_PRL 0x08
91#define AX_SWRESET_BZ 0x10
92#define AX_SWRESET_IPRL 0x20
93#define AX_SWRESET_IPPD 0x40
94
95#define AX88772_IPG0_DEFAULT 0x15
96#define AX88772_IPG1_DEFAULT 0x0c
97#define AX88772_IPG2_DEFAULT 0x12
98
933a27d3
DH		 99/* AX88772 & AX88178 Medium Mode Register */
100#define AX_MEDIUM_PF 0x0080
101#define AX_MEDIUM_JFE 0x0040
102#define AX_MEDIUM_TFC 0x0020
103#define AX_MEDIUM_RFC 0x0010
104#define AX_MEDIUM_ENCK 0x0008
105#define AX_MEDIUM_AC 0x0004
106#define AX_MEDIUM_FD 0x0002
107#define AX_MEDIUM_GM 0x0001
108#define AX_MEDIUM_SM 0x1000
109#define AX_MEDIUM_SBP 0x0800
110#define AX_MEDIUM_PS 0x0200
111#define AX_MEDIUM_RE 0x0100
112
113#define AX88178_MEDIUM_DEFAULT \
114 (AX_MEDIUM_PS | AX_MEDIUM_FD | AX_MEDIUM_AC | \
115 AX_MEDIUM_RFC | AX_MEDIUM_TFC | AX_MEDIUM_JFE | \
116 AX_MEDIUM_RE )
2e55cc72 117
933a27d3
DH		 118#define AX88772_MEDIUM_DEFAULT \
119 (AX_MEDIUM_FD | AX_MEDIUM_RFC | \
120 AX_MEDIUM_TFC | AX_MEDIUM_PS | \
121 AX_MEDIUM_AC | AX_MEDIUM_RE )
122
123/* AX88772 & AX88178 RX_CTL values */
124#define AX_RX_CTL_SO 0x0080
125#define AX_RX_CTL_AP 0x0020
126#define AX_RX_CTL_AM 0x0010
127#define AX_RX_CTL_AB 0x0008
128#define AX_RX_CTL_SEP 0x0004
129#define AX_RX_CTL_AMALL 0x0002
130#define AX_RX_CTL_PRO 0x0001
131#define AX_RX_CTL_MFB_2048 0x0000
132#define AX_RX_CTL_MFB_4096 0x0100
133#define AX_RX_CTL_MFB_8192 0x0200
134#define AX_RX_CTL_MFB_16384 0x0300
135
136#define AX_DEFAULT_RX_CTL \
137 (AX_RX_CTL_SO | AX_RX_CTL_AB )
138
139/* GPIO 0 .. 2 toggles */
140#define AX_GPIO_GPO0EN 0x01 /* GPIO0 Output enable */
141#define AX_GPIO_GPO_0 0x02 /* GPIO0 Output value */
142#define AX_GPIO_GPO1EN 0x04 /* GPIO1 Output enable */
143#define AX_GPIO_GPO_1 0x08 /* GPIO1 Output value */
144#define AX_GPIO_GPO2EN 0x10 /* GPIO2 Output enable */
145#define AX_GPIO_GPO_2 0x20 /* GPIO2 Output value */
146#define AX_GPIO_RESERVED 0x40 /* Reserved */
147#define AX_GPIO_RSE 0x80 /* Reload serial EEPROM */
148
149#define AX_EEPROM_MAGIC 0xdeadbeef
150#define AX88172_EEPROM_LEN 0x40
151#define AX88772_EEPROM_LEN 0xff
152
153#define PHY_MODE_MARVELL 0x0000
154#define MII_MARVELL_LED_CTRL 0x0018
155#define MII_MARVELL_STATUS 0x001b
156#define MII_MARVELL_CTRL 0x0014
157
158#define MARVELL_LED_MANUAL 0x0019
159
160#define MARVELL_STATUS_HWCFG 0x0004
161
162#define MARVELL_CTRL_TXDELAY 0x0002
163#define MARVELL_CTRL_RXDELAY 0x0080
2e55cc72
DB		 164
165/* This structure cannot exceed sizeof(unsigned long [5]) AKA 20 bytes */
48b1be6a 166struct asix_data {
2e55cc72 167 u8 multi_filter[AX_MCAST_FILTER_SIZE];
933a27d3
DH		 168 u8 phymode;
169 u8 ledmode;
170 u8 eeprom_len;
2e55cc72
DB		 171};
172
173struct ax88172_int_data {
51bf2976 174 __le16 res1;
2e55cc72 175 u8 link;
51bf2976 176 __le16 res2;
2e55cc72 177 u8 status;
51bf2976 178 __le16 res3;
2e55cc72
DB		 179} __attribute__ ((packed));
180
48b1be6a 181static int asix_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
2e55cc72
DB		 182 u16 size, void *data)
183{
51bf2976
AV		 184 void *buf;
185 int err = -ENOMEM;
186
933a27d3
DH		 187 devdbg(dev,"asix_read_cmd() cmd=0x%02x value=0x%04x index=0x%04x size=%d",
188 cmd, value, index, size);
51bf2976
AV		 189
190 buf = kmalloc(size, GFP_KERNEL);
191 if (!buf)
192 goto out;
193
194 err = usb_control_msg(
2e55cc72
DB		 195 dev->udev,
196 usb_rcvctrlpipe(dev->udev, 0),
197 cmd,
198 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
199 value,
200 index,
51bf2976 201 buf,
2e55cc72
DB		 202 size,
203 USB_CTRL_GET_TIMEOUT);
94d43363 204 if (err == size)
51bf2976 205 memcpy(data, buf, size);
94d43363
RD		 206 else if (err >= 0)
207 err = -EINVAL;
51bf2976
AV		 208 kfree(buf);
209
210out:
211 return err;
2e55cc72
DB		 212}
213
48b1be6a 214static int asix_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
2e55cc72
DB		 215 u16 size, void *data)
216{
51bf2976
AV		 217 void *buf = NULL;
218 int err = -ENOMEM;
219
933a27d3
DH		 220 devdbg(dev,"asix_write_cmd() cmd=0x%02x value=0x%04x index=0x%04x size=%d",
221 cmd, value, index, size);
51bf2976
AV		 222
223 if (data) {
224 buf = kmalloc(size, GFP_KERNEL);
225 if (!buf)
226 goto out;
227 memcpy(buf, data, size);
228 }
229
230 err = usb_control_msg(
2e55cc72
DB		 231 dev->udev,
232 usb_sndctrlpipe(dev->udev, 0),
233 cmd,
234 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
235 value,
236 index,
51bf2976 237 buf,
2e55cc72
DB		 238 size,
239 USB_CTRL_SET_TIMEOUT);
51bf2976
AV		 240 kfree(buf);
241
242out:
243 return err;
2e55cc72
DB		 244}
245
7d12e780 246static void asix_async_cmd_callback(struct urb *urb)
2e55cc72
DB		 247{
248 struct usb_ctrlrequest *req = (struct usb_ctrlrequest *)urb->context;
c94cb314 249 int status = urb->status;
2e55cc72 250
c94cb314 251 if (status < 0)
48b1be6a 252 printk(KERN_DEBUG "asix_async_cmd_callback() failed with %d",
c94cb314 253 status);
2e55cc72
DB		 254
255 kfree(req);
256 usb_free_urb(urb);
257}
258
933a27d3
DH		 259static void
260asix_write_cmd_async(struct usbnet *dev, u8 cmd, u16 value, u16 index,
261 u16 size, void *data)
262{
263 struct usb_ctrlrequest *req;
264 int status;
265 struct urb *urb;
266
267 devdbg(dev,"asix_write_cmd_async() cmd=0x%02x value=0x%04x index=0x%04x size=%d",
268 cmd, value, index, size);
269 if ((urb = usb_alloc_urb(0, GFP_ATOMIC)) == NULL) {
270 deverr(dev, "Error allocating URB in write_cmd_async!");
271 return;
272 }
273
274 if ((req = kmalloc(sizeof(struct usb_ctrlrequest), GFP_ATOMIC)) == NULL) {
275 deverr(dev, "Failed to allocate memory for control request");
276 usb_free_urb(urb);
277 return;
278 }
279
280 req->bRequestType = USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE;
281 req->bRequest = cmd;
9aa742ef
ON		 282 req->wValue = cpu_to_le16(value);
283 req->wIndex = cpu_to_le16(index);
284 req->wLength = cpu_to_le16(size);
933a27d3
DH		 285
286 usb_fill_control_urb(urb, dev->udev,
287 usb_sndctrlpipe(dev->udev, 0),
288 (void *)req, data, size,
289 asix_async_cmd_callback, req);
290
291 if((status = usb_submit_urb(urb, GFP_ATOMIC)) < 0) {
292 deverr(dev, "Error submitting the control message: status=%d",
293 status);
294 kfree(req);
295 usb_free_urb(urb);
296 }
297}
298
299static int asix_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
300{
301 u8 *head;
302 u32 header;
303 char *packet;
304 struct sk_buff *ax_skb;
305 u16 size;
306
307 head = (u8 *) skb->data;
308 memcpy(&header, head, sizeof(header));
309 le32_to_cpus(&header);
310 packet = head + sizeof(header);
311
312 skb_pull(skb, 4);
313
314 while (skb->len > 0) {
315 if ((short)(header & 0x0000ffff) !=
316 ~((short)((header & 0xffff0000) >> 16))) {
317 deverr(dev,"asix_rx_fixup() Bad Header Length");
318 }
319 /* get the packet length */
320 size = (u16) (header & 0x0000ffff);
321
322 if ((skb->len) - ((size + 1) & 0xfffe) == 0)
323 return 2;
324 if (size > ETH_FRAME_LEN) {
325 deverr(dev,"asix_rx_fixup() Bad RX Length %d", size);
326 return 0;
327 }
328 ax_skb = skb_clone(skb, GFP_ATOMIC);
329 if (ax_skb) {
330 ax_skb->len = size;
331 ax_skb->data = packet;
27a884dc 332 skb_set_tail_pointer(ax_skb, size);
933a27d3
DH		 333 usbnet_skb_return(dev, ax_skb);
334 } else {
335 return 0;
336 }
337
338 skb_pull(skb, (size + 1) & 0xfffe);
339
340 if (skb->len == 0)
341 break;
342
343 head = (u8 *) skb->data;
344 memcpy(&header, head, sizeof(header));
345 le32_to_cpus(&header);
346 packet = head + sizeof(header);
347 skb_pull(skb, 4);
348 }
349
350 if (skb->len < 0) {
351 deverr(dev,"asix_rx_fixup() Bad SKB Length %d", skb->len);
352 return 0;
353 }
354 return 1;
355}
356
357static struct sk_buff *asix_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
358 gfp_t flags)
359{
360 int padlen;
361 int headroom = skb_headroom(skb);
362 int tailroom = skb_tailroom(skb);
363 u32 packet_len;
364 u32 padbytes = 0xffff0000;
365
366 padlen = ((skb->len + 4) % 512) ? 0 : 4;
367
8e95a202
JP		 368 if ((!skb_cloned(skb)) &&
369 ((headroom + tailroom) >= (4 + padlen))) {
933a27d3
DH		 370 if ((headroom < 4) || (tailroom < padlen)) {
371 skb->data = memmove(skb->head + 4, skb->data, skb->len);
27a884dc 372 skb_set_tail_pointer(skb, skb->len);
933a27d3
DH		 373 }
374 } else {
375 struct sk_buff *skb2;
376 skb2 = skb_copy_expand(skb, 4, padlen, flags);
377 dev_kfree_skb_any(skb);
378 skb = skb2;
379 if (!skb)
380 return NULL;
381 }
382
383 skb_push(skb, 4);
384 packet_len = (((skb->len - 4) ^ 0x0000ffff) << 16) + (skb->len - 4);
57e4f041 385 cpu_to_le32s(&packet_len);
27d7ff46 386 skb_copy_to_linear_data(skb, &packet_len, sizeof(packet_len));
933a27d3
DH		 387
388 if ((skb->len % 512) == 0) {
57e4f041 389 cpu_to_le32s(&padbytes);
27a884dc 390 memcpy(skb_tail_pointer(skb), &padbytes, sizeof(padbytes));
933a27d3
DH		 391 skb_put(skb, sizeof(padbytes));
392 }
393 return skb;
394}
395
396static void asix_status(struct usbnet *dev, struct urb *urb)
397{
398 struct ax88172_int_data *event;
399 int link;
400
401 if (urb->actual_length < 8)
402 return;
403
404 event = urb->transfer_buffer;
405 link = event->link & 0x01;
406 if (netif_carrier_ok(dev->net) != link) {
407 if (link) {
408 netif_carrier_on(dev->net);
409 usbnet_defer_kevent (dev, EVENT_LINK_RESET );
410 } else
411 netif_carrier_off(dev->net);
412 devdbg(dev, "Link Status is: %d", link);
413 }
414}
415
48b1be6a
DH		 416static inline int asix_set_sw_mii(struct usbnet *dev)
417{
418 int ret;
419 ret = asix_write_cmd(dev, AX_CMD_SET_SW_MII, 0x0000, 0, 0, NULL);
420 if (ret < 0)
933a27d3 421 deverr(dev, "Failed to enable software MII access");
48b1be6a
DH		 422 return ret;
423}
424
425static inline int asix_set_hw_mii(struct usbnet *dev)
426{
427 int ret;
428 ret = asix_write_cmd(dev, AX_CMD_SET_HW_MII, 0x0000, 0, 0, NULL);
429 if (ret < 0)
933a27d3 430 deverr(dev, "Failed to enable hardware MII access");
48b1be6a
DH		 431 return ret;
432}
433
933a27d3 434static inline int asix_get_phy_addr(struct usbnet *dev)
48b1be6a 435{
51bf2976
AV		 436 u8 buf[2];
437 int ret = asix_read_cmd(dev, AX_CMD_READ_PHY_ID, 0, 0, 2, buf);
48b1be6a 438
933a27d3
DH		 439 devdbg(dev, "asix_get_phy_addr()");
440
51bf2976 441 if (ret < 0) {
933a27d3 442 deverr(dev, "Error reading PHYID register: %02x", ret);
51bf2976 443 goto out;
48b1be6a 444 }
51bf2976
AV		 445 devdbg(dev, "asix_get_phy_addr() returning 0x%04x", *((__le16 *)buf));
446 ret = buf[1];
447
448out:
48b1be6a
DH		 449 return ret;
450}
451
452static int asix_sw_reset(struct usbnet *dev, u8 flags)
453{
454 int ret;
455
456 ret = asix_write_cmd(dev, AX_CMD_SW_RESET, flags, 0, 0, NULL);
457 if (ret < 0)
933a27d3
DH		 458 deverr(dev,"Failed to send software reset: %02x", ret);
459
460 return ret;
461}
48b1be6a 462
933a27d3
DH		 463static u16 asix_read_rx_ctl(struct usbnet *dev)
464{
51bf2976
AV		 465 __le16 v;
466 int ret = asix_read_cmd(dev, AX_CMD_READ_RX_CTL, 0, 0, 2, &v);
933a27d3 467
51bf2976 468 if (ret < 0) {
933a27d3 469 deverr(dev, "Error reading RX_CTL register: %02x", ret);
51bf2976 470 goto out;
933a27d3 471 }
51bf2976
AV		 472 ret = le16_to_cpu(v);
473out:
48b1be6a
DH		 474 return ret;
475}
476
477static int asix_write_rx_ctl(struct usbnet *dev, u16 mode)
478{
479 int ret;
480
933a27d3 481 devdbg(dev,"asix_write_rx_ctl() - mode = 0x%04x", mode);
48b1be6a
DH		 482 ret = asix_write_cmd(dev, AX_CMD_WRITE_RX_CTL, mode, 0, 0, NULL);
483 if (ret < 0)
933a27d3
DH		 484 deverr(dev, "Failed to write RX_CTL mode to 0x%04x: %02x",
485 mode, ret);
48b1be6a
DH		 486
487 return ret;
488}
489
933a27d3 490static u16 asix_read_medium_status(struct usbnet *dev)
2e55cc72 491{
51bf2976
AV		 492 __le16 v;
493 int ret = asix_read_cmd(dev, AX_CMD_READ_MEDIUM_STATUS, 0, 0, 2, &v);
2e55cc72 494
51bf2976 495 if (ret < 0) {
933a27d3 496 deverr(dev, "Error reading Medium Status register: %02x", ret);
51bf2976 497 goto out;
2e55cc72 498 }
51bf2976
AV		 499 ret = le16_to_cpu(v);
500out:
933a27d3 501 return ret;
2e55cc72
DB		 502}
503
933a27d3 504static int asix_write_medium_mode(struct usbnet *dev, u16 mode)
2e55cc72 505{
933a27d3 506 int ret;
2e55cc72 507
933a27d3
DH		 508 devdbg(dev,"asix_write_medium_mode() - mode = 0x%04x", mode);
509 ret = asix_write_cmd(dev, AX_CMD_WRITE_MEDIUM_MODE, mode, 0, 0, NULL);
510 if (ret < 0)
511 deverr(dev, "Failed to write Medium Mode mode to 0x%04x: %02x",
512 mode, ret);
2e55cc72 513
933a27d3
DH		 514 return ret;
515}
2e55cc72 516
933a27d3
DH		 517static int asix_write_gpio(struct usbnet *dev, u16 value, int sleep)
518{
519 int ret;
2e55cc72 520
933a27d3
DH		 521 devdbg(dev,"asix_write_gpio() - value = 0x%04x", value);
522 ret = asix_write_cmd(dev, AX_CMD_WRITE_GPIOS, value, 0, 0, NULL);
523 if (ret < 0)
524 deverr(dev, "Failed to write GPIO value 0x%04x: %02x",
525 value, ret);
2e55cc72 526
933a27d3
DH		 527 if (sleep)
528 msleep(sleep);
529
530 return ret;
2e55cc72
DB		 531}
532
933a27d3
DH		 533/*
534 * AX88772 & AX88178 have a 16-bit RX_CTL value
535 */
48b1be6a 536static void asix_set_multicast(struct net_device *net)
2e55cc72
DB		 537{
538 struct usbnet *dev = netdev_priv(net);
48b1be6a 539 struct asix_data *data = (struct asix_data *)&dev->data;
933a27d3 540 u16 rx_ctl = AX_DEFAULT_RX_CTL;
2e55cc72
DB		 541
542 if (net->flags & IFF_PROMISC) {
933a27d3 543 rx_ctl |= AX_RX_CTL_PRO;
8e95a202 544 } else if (net->flags & IFF_ALLMULTI ||
4cd24eaf 545 netdev_mc_count(net) > AX_MAX_MCAST) {
933a27d3 546 rx_ctl |= AX_RX_CTL_AMALL;
4cd24eaf 547 } else if (netdev_mc_empty(net)) {
2e55cc72
DB		 548 /* just broadcast and directed */
549 } else {
550 /* We use the 20 byte dev->data
551 * for our 8 byte filter buffer
552 * to avoid allocating memory that
553 * is tricky to free later */
554 struct dev_mc_list *mc_list = net->mc_list;
555 u32 crc_bits;
556 int i;
557
558 memset(data->multi_filter, 0, AX_MCAST_FILTER_SIZE);
559
560 /* Build the multicast hash filter. */
4cd24eaf 561 for (i = 0; i < netdev_mc_count(net); i++) {
2e55cc72
DB		 562 crc_bits =
563 ether_crc(ETH_ALEN,
564 mc_list->dmi_addr) >> 26;
565 data->multi_filter[crc_bits >> 3] |=
566 1 << (crc_bits & 7);
567 mc_list = mc_list->next;
568 }
569
48b1be6a 570 asix_write_cmd_async(dev, AX_CMD_WRITE_MULTI_FILTER, 0, 0,
2e55cc72
DB		 571 AX_MCAST_FILTER_SIZE, data->multi_filter);
572
933a27d3 573 rx_ctl |= AX_RX_CTL_AM;
2e55cc72
DB		 574 }
575
48b1be6a 576 asix_write_cmd_async(dev, AX_CMD_WRITE_RX_CTL, rx_ctl, 0, 0, NULL);
2e55cc72
DB		 577}
578
48b1be6a 579static int asix_mdio_read(struct net_device *netdev, int phy_id, int loc)
2e55cc72
DB		 580{
581 struct usbnet *dev = netdev_priv(netdev);
51bf2976 582 __le16 res;
2e55cc72 583
a9fc6338 584 mutex_lock(&dev->phy_mutex);
48b1be6a
DH		 585 asix_set_sw_mii(dev);
586 asix_read_cmd(dev, AX_CMD_READ_MII_REG, phy_id,
51bf2976 587 (__u16)loc, 2, &res);
48b1be6a 588 asix_set_hw_mii(dev);
a9fc6338 589 mutex_unlock(&dev->phy_mutex);
2e55cc72 590
51bf2976 591 devdbg(dev, "asix_mdio_read() phy_id=0x%02x, loc=0x%02x, returns=0x%04x", phy_id, loc, le16_to_cpu(res));
2e55cc72 592
51bf2976 593 return le16_to_cpu(res);
2e55cc72
DB		 594}
595
596static void
48b1be6a 597asix_mdio_write(struct net_device *netdev, int phy_id, int loc, int val)
2e55cc72
DB		 598{
599 struct usbnet *dev = netdev_priv(netdev);
51bf2976 600 __le16 res = cpu_to_le16(val);
2e55cc72 601
933a27d3 602 devdbg(dev, "asix_mdio_write() phy_id=0x%02x, loc=0x%02x, val=0x%04x", phy_id, loc, val);
a9fc6338 603 mutex_lock(&dev->phy_mutex);
48b1be6a 604 asix_set_sw_mii(dev);
51bf2976 605 asix_write_cmd(dev, AX_CMD_WRITE_MII_REG, phy_id, (__u16)loc, 2, &res);
48b1be6a 606 asix_set_hw_mii(dev);
a9fc6338 607 mutex_unlock(&dev->phy_mutex);
2e55cc72
DB		 608}
609
933a27d3
DH		 610/* Get the PHY Identifier from the PHYSID1 & PHYSID2 MII registers */
611static u32 asix_get_phyid(struct usbnet *dev)
2e55cc72 612{
933a27d3
DH		 613 int phy_reg;
614 u32 phy_id;
2e55cc72 615
933a27d3
DH		 616 phy_reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID1);
617 if (phy_reg < 0)
618 return 0;
2e55cc72 619
933a27d3 620 phy_id = (phy_reg & 0xffff) << 16;
2e55cc72 621
933a27d3
DH		 622 phy_reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID2);
623 if (phy_reg < 0)
624 return 0;
625
626 phy_id |= (phy_reg & 0xffff);
627
628 return phy_id;
2e55cc72
DB		 629}
630
631static void
48b1be6a 632asix_get_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo)
2e55cc72
DB		 633{
634 struct usbnet *dev = netdev_priv(net);
635 u8 opt;
636
48b1be6a 637 if (asix_read_cmd(dev, AX_CMD_READ_MONITOR_MODE, 0, 0, 1, &opt) < 0) {
2e55cc72
DB		 638 wolinfo->supported = 0;
639 wolinfo->wolopts = 0;
640 return;
641 }
642 wolinfo->supported = WAKE_PHY | WAKE_MAGIC;
643 wolinfo->wolopts = 0;
644 if (opt & AX_MONITOR_MODE) {
645 if (opt & AX_MONITOR_LINK)
646 wolinfo->wolopts |= WAKE_PHY;
647 if (opt & AX_MONITOR_MAGIC)
648 wolinfo->wolopts |= WAKE_MAGIC;
649 }
650}
651
652static int
48b1be6a 653asix_set_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo)
2e55cc72
DB		 654{
655 struct usbnet *dev = netdev_priv(net);
656 u8 opt = 0;
2e55cc72
DB		 657
658 if (wolinfo->wolopts & WAKE_PHY)
659 opt |= AX_MONITOR_LINK;
660 if (wolinfo->wolopts & WAKE_MAGIC)
661 opt |= AX_MONITOR_MAGIC;
662 if (opt != 0)
663 opt |= AX_MONITOR_MODE;
664
48b1be6a 665 if (asix_write_cmd(dev, AX_CMD_WRITE_MONITOR_MODE,
51bf2976 666 opt, 0, 0, NULL) < 0)
2e55cc72
DB		 667 return -EINVAL;
668
669 return 0;
670}
671
48b1be6a 672static int asix_get_eeprom_len(struct net_device *net)
2e55cc72 673{
933a27d3
DH		 674 struct usbnet *dev = netdev_priv(net);
675 struct asix_data *data = (struct asix_data *)&dev->data;
676
677 return data->eeprom_len;
2e55cc72
DB		 678}
679
48b1be6a 680static int asix_get_eeprom(struct net_device *net,
2e55cc72
DB		 681 struct ethtool_eeprom *eeprom, u8 *data)
682{
683 struct usbnet *dev = netdev_priv(net);
51bf2976 684 __le16 *ebuf = (__le16 *)data;
2e55cc72
DB		 685 int i;
686
687 /* Crude hack to ensure that we don't overwrite memory
688 * if an odd length is supplied
689 */
690 if (eeprom->len % 2)
691 return -EINVAL;
692
693 eeprom->magic = AX_EEPROM_MAGIC;
694
695 /* ax8817x returns 2 bytes from eeprom on read */
696 for (i=0; i < eeprom->len / 2; i++) {
48b1be6a 697 if (asix_read_cmd(dev, AX_CMD_READ_EEPROM,
2e55cc72
DB		 698 eeprom->offset + i, 0, 2, &ebuf[i]) < 0)
699 return -EINVAL;
700 }
701 return 0;
702}
703
48b1be6a 704static void asix_get_drvinfo (struct net_device *net,
2e55cc72
DB		 705 struct ethtool_drvinfo *info)
706{
933a27d3
DH		 707 struct usbnet *dev = netdev_priv(net);
708 struct asix_data *data = (struct asix_data *)&dev->data;
709
2e55cc72
DB		 710 /* Inherit standard device info */
711 usbnet_get_drvinfo(net, info);
933a27d3
DH		 712 strncpy (info->driver, driver_name, sizeof info->driver);
713 strncpy (info->version, DRIVER_VERSION, sizeof info->version);
714 info->eedump_len = data->eeprom_len;
2e55cc72
DB		 715}
716
933a27d3
DH		 717static u32 asix_get_link(struct net_device *net)
718{
719 struct usbnet *dev = netdev_priv(net);
720
721 return mii_link_ok(&dev->mii);
722}
723
724static int asix_ioctl (struct net_device *net, struct ifreq *rq, int cmd)
725{
726 struct usbnet *dev = netdev_priv(net);
727
728 return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL);
729}
730
731/* We need to override some ethtool_ops so we require our
732 own structure so we don't interfere with other usbnet
733 devices that may be connected at the same time. */
0fc0b732 734static const struct ethtool_ops ax88172_ethtool_ops = {
933a27d3
DH		 735 .get_drvinfo = asix_get_drvinfo,
736 .get_link = asix_get_link,
933a27d3 737 .get_msglevel = usbnet_get_msglevel,
2e55cc72 738 .set_msglevel = usbnet_set_msglevel,
48b1be6a
DH		 739 .get_wol = asix_get_wol,
740 .set_wol = asix_set_wol,
741 .get_eeprom_len = asix_get_eeprom_len,
742 .get_eeprom = asix_get_eeprom,
c41286fd
AB		 743 .get_settings = usbnet_get_settings,
744 .set_settings = usbnet_set_settings,
745 .nway_reset = usbnet_nway_reset,
2e55cc72
DB		 746};
747
933a27d3 748static void ax88172_set_multicast(struct net_device *net)
2e55cc72
DB		 749{
750 struct usbnet *dev = netdev_priv(net);
933a27d3
DH		 751 struct asix_data *data = (struct asix_data *)&dev->data;
752 u8 rx_ctl = 0x8c;
2e55cc72 753
933a27d3
DH		 754 if (net->flags & IFF_PROMISC) {
755 rx_ctl |= 0x01;
8e95a202 756 } else if (net->flags & IFF_ALLMULTI ||
4cd24eaf 757 netdev_mc_count(net) > AX_MAX_MCAST) {
933a27d3 758 rx_ctl |= 0x02;
4cd24eaf 759 } else if (netdev_mc_empty(net)) {
933a27d3
DH		 760 /* just broadcast and directed */
761 } else {
762 /* We use the 20 byte dev->data
763 * for our 8 byte filter buffer
764 * to avoid allocating memory that
765 * is tricky to free later */
766 struct dev_mc_list *mc_list = net->mc_list;
767 u32 crc_bits;
768 int i;
769
770 memset(data->multi_filter, 0, AX_MCAST_FILTER_SIZE);
771
772 /* Build the multicast hash filter. */
4cd24eaf 773 for (i = 0; i < netdev_mc_count(net); i++) {
933a27d3
DH		 774 crc_bits =
775 ether_crc(ETH_ALEN,
776 mc_list->dmi_addr) >> 26;
777 data->multi_filter[crc_bits >> 3] |=
778 1 << (crc_bits & 7);
779 mc_list = mc_list->next;
780 }
781
782 asix_write_cmd_async(dev, AX_CMD_WRITE_MULTI_FILTER, 0, 0,
783 AX_MCAST_FILTER_SIZE, data->multi_filter);
784
785 rx_ctl |= 0x10;
786 }
787
788 asix_write_cmd_async(dev, AX_CMD_WRITE_RX_CTL, rx_ctl, 0, 0, NULL);
789}
790
791static int ax88172_link_reset(struct usbnet *dev)
792{
793 u8 mode;
794 struct ethtool_cmd ecmd;
795
796 mii_check_media(&dev->mii, 1, 1);
797 mii_ethtool_gset(&dev->mii, &ecmd);
798 mode = AX88172_MEDIUM_DEFAULT;
799
800 if (ecmd.duplex != DUPLEX_FULL)
801 mode |= ~AX88172_MEDIUM_FD;
802
803 devdbg(dev, "ax88172_link_reset() speed: %d duplex: %d setting mode to 0x%04x", ecmd.speed, ecmd.duplex, mode);
804
805 asix_write_medium_mode(dev, mode);
806
807 return 0;
2e55cc72
DB		 808}
809
1703338c
SH		 810static const struct net_device_ops ax88172_netdev_ops = {
811 .ndo_open = usbnet_open,
812 .ndo_stop = usbnet_stop,
813 .ndo_start_xmit = usbnet_start_xmit,
814 .ndo_tx_timeout = usbnet_tx_timeout,
815 .ndo_change_mtu = usbnet_change_mtu,
816 .ndo_set_mac_address = eth_mac_addr,
817 .ndo_validate_addr = eth_validate_addr,
818 .ndo_do_ioctl = asix_ioctl,
819 .ndo_set_multicast_list = ax88172_set_multicast,
820};
821
48b1be6a 822static int ax88172_bind(struct usbnet *dev, struct usb_interface *intf)
2e55cc72
DB		 823{
824 int ret = 0;
51bf2976 825 u8 buf[ETH_ALEN];
2e55cc72
DB		 826 int i;
827 unsigned long gpio_bits = dev->driver_info->data;
933a27d3
DH		 828 struct asix_data *data = (struct asix_data *)&dev->data;
829
830 data->eeprom_len = AX88172_EEPROM_LEN;
2e55cc72
DB		 831
832 usbnet_get_endpoints(dev,intf);
833
2e55cc72
DB		 834 /* Toggle the GPIOs in a manufacturer/model specific way */
835 for (i = 2; i >= 0; i--) {
48b1be6a 836 if ((ret = asix_write_cmd(dev, AX_CMD_WRITE_GPIOS,
2e55cc72 837 (gpio_bits >> (i * 8)) & 0xff, 0, 0,
51bf2976
AV		 838 NULL)) < 0)
839 goto out;
2e55cc72
DB		 840 msleep(5);
841 }
842
933a27d3 843 if ((ret = asix_write_rx_ctl(dev, 0x80)) < 0)
51bf2976 844 goto out;
2e55cc72
DB		 845
846 /* Get the MAC address */
933a27d3 847 if ((ret = asix_read_cmd(dev, AX88172_CMD_READ_NODE_ID,
51bf2976 848 0, 0, ETH_ALEN, buf)) < 0) {
2e55cc72 849 dbg("read AX_CMD_READ_NODE_ID failed: %d", ret);
51bf2976 850 goto out;
2e55cc72
DB		 851 }
852 memcpy(dev->net->dev_addr, buf, ETH_ALEN);
853
2e55cc72
DB		 854 /* Initialize MII structure */
855 dev->mii.dev = dev->net;
48b1be6a
DH		 856 dev->mii.mdio_read = asix_mdio_read;
857 dev->mii.mdio_write = asix_mdio_write;
2e55cc72
DB		 858 dev->mii.phy_id_mask = 0x3f;
859 dev->mii.reg_num_mask = 0x1f;
933a27d3 860 dev->mii.phy_id = asix_get_phy_addr(dev);
2e55cc72 861
1703338c 862 dev->net->netdev_ops = &ax88172_netdev_ops;
48b1be6a 863 dev->net->ethtool_ops = &ax88172_ethtool_ops;
2e55cc72 864
933a27d3
DH		 865 asix_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, BMCR_RESET);
866 asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
2e55cc72
DB		 867 ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
868 mii_nway_restart(&dev->mii);
869
870 return 0;
51bf2976
AV		 871
872out:
2e55cc72
DB		 873 return ret;
874}
875
0fc0b732 876static const struct ethtool_ops ax88772_ethtool_ops = {
48b1be6a 877 .get_drvinfo = asix_get_drvinfo,
933a27d3 878 .get_link = asix_get_link,
2e55cc72
DB		 879 .get_msglevel = usbnet_get_msglevel,
880 .set_msglevel = usbnet_set_msglevel,
48b1be6a
DH		 881 .get_wol = asix_get_wol,
882 .set_wol = asix_set_wol,
883 .get_eeprom_len = asix_get_eeprom_len,
884 .get_eeprom = asix_get_eeprom,
c41286fd
AB		 885 .get_settings = usbnet_get_settings,
886 .set_settings = usbnet_set_settings,
887 .nway_reset = usbnet_nway_reset,
2e55cc72
DB		 888};
889
933a27d3
DH		 890static int ax88772_link_reset(struct usbnet *dev)
891{
892 u16 mode;
893 struct ethtool_cmd ecmd;
894
895 mii_check_media(&dev->mii, 1, 1);
896 mii_ethtool_gset(&dev->mii, &ecmd);
897 mode = AX88772_MEDIUM_DEFAULT;
898
899 if (ecmd.speed != SPEED_100)
900 mode &= ~AX_MEDIUM_PS;
901
902 if (ecmd.duplex != DUPLEX_FULL)
903 mode &= ~AX_MEDIUM_FD;
904
905 devdbg(dev, "ax88772_link_reset() speed: %d duplex: %d setting mode to 0x%04x", ecmd.speed, ecmd.duplex, mode);
906
907 asix_write_medium_mode(dev, mode);
908
909 return 0;
910}
911
1703338c
SH		 912static const struct net_device_ops ax88772_netdev_ops = {
913 .ndo_open = usbnet_open,
914 .ndo_stop = usbnet_stop,
915 .ndo_start_xmit = usbnet_start_xmit,
916 .ndo_tx_timeout = usbnet_tx_timeout,
917 .ndo_change_mtu = usbnet_change_mtu,
918 .ndo_set_mac_address = eth_mac_addr,
919 .ndo_validate_addr = eth_validate_addr,
920 .ndo_do_ioctl = asix_ioctl,
921 .ndo_set_multicast_list = asix_set_multicast,
922};
923
2e55cc72
DB		 924static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf)
925{
d0ffff8f 926 int ret, embd_phy;
933a27d3
DH		 927 u16 rx_ctl;
928 struct asix_data *data = (struct asix_data *)&dev->data;
51bf2976 929 u8 buf[ETH_ALEN];
933a27d3
DH		 930 u32 phyid;
931
932 data->eeprom_len = AX88772_EEPROM_LEN;
2e55cc72
DB		 933
934 usbnet_get_endpoints(dev,intf);
935
933a27d3
DH		 936 if ((ret = asix_write_gpio(dev,
937 AX_GPIO_RSE | AX_GPIO_GPO_2 | AX_GPIO_GPO2EN, 5)) < 0)
51bf2976 938 goto out;
2e55cc72 939
d0ffff8f
AS		 940 /* 0x10 is the phy id of the embedded 10/100 ethernet phy */
941 embd_phy = ((asix_get_phy_addr(dev) & 0x1f) == 0x10 ? 1 : 0);
48b1be6a 942 if ((ret = asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT,
51bf2976 943 embd_phy, 0, 0, NULL)) < 0) {
2e55cc72 944 dbg("Select PHY #1 failed: %d", ret);
51bf2976 945 goto out;
2e55cc72
DB		 946 }
947
d0ffff8f 948 if ((ret = asix_sw_reset(dev, AX_SWRESET_IPPD | AX_SWRESET_PRL)) < 0)
51bf2976 949 goto out;
2e55cc72
DB		 950
951 msleep(150);
48b1be6a 952 if ((ret = asix_sw_reset(dev, AX_SWRESET_CLEAR)) < 0)
51bf2976 953 goto out;
2e55cc72
DB		 954
955 msleep(150);
d0ffff8f
AS		 956 if (embd_phy) {
957 if ((ret = asix_sw_reset(dev, AX_SWRESET_IPRL)) < 0)
51bf2976 958 goto out;
d0ffff8f
AS		 959 }
960 else {
961 if ((ret = asix_sw_reset(dev, AX_SWRESET_PRTE)) < 0)
51bf2976 962 goto out;
d0ffff8f 963 }
2e55cc72
DB		 964
965 msleep(150);
933a27d3
DH		 966 rx_ctl = asix_read_rx_ctl(dev);
967 dbg("RX_CTL is 0x%04x after software reset", rx_ctl);
968 if ((ret = asix_write_rx_ctl(dev, 0x0000)) < 0)
51bf2976 969 goto out;
2e55cc72 970
933a27d3
DH		 971 rx_ctl = asix_read_rx_ctl(dev);
972 dbg("RX_CTL is 0x%04x setting to 0x0000", rx_ctl);
973
2e55cc72 974 /* Get the MAC address */
933a27d3 975 if ((ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID,
2e55cc72
DB		 976 0, 0, ETH_ALEN, buf)) < 0) {
977 dbg("Failed to read MAC address: %d", ret);
51bf2976 978 goto out;
2e55cc72
DB		 979 }
980 memcpy(dev->net->dev_addr, buf, ETH_ALEN);
981
2e55cc72
DB		 982 /* Initialize MII structure */
983 dev->mii.dev = dev->net;
48b1be6a
DH		 984 dev->mii.mdio_read = asix_mdio_read;
985 dev->mii.mdio_write = asix_mdio_write;
933a27d3
DH		 986 dev->mii.phy_id_mask = 0x1f;
987 dev->mii.reg_num_mask = 0x1f;
933a27d3
DH		 988 dev->mii.phy_id = asix_get_phy_addr(dev);
989
990 phyid = asix_get_phyid(dev);
991 dbg("PHYID=0x%08x", phyid);
2e55cc72 992
48b1be6a 993 if ((ret = asix_sw_reset(dev, AX_SWRESET_PRL)) < 0)
51bf2976 994 goto out;
2e55cc72 995
2e55cc72 996 msleep(150);
48b1be6a
DH		 997
998 if ((ret = asix_sw_reset(dev, AX_SWRESET_IPRL | AX_SWRESET_PRL)) < 0)
51bf2976 999 goto out;
2e55cc72 1000
48b1be6a 1001 msleep(150);
2e55cc72 1002
1703338c 1003 dev->net->netdev_ops = &ax88772_netdev_ops;
2e55cc72
DB		 1004 dev->net->ethtool_ops = &ax88772_ethtool_ops;
1005
933a27d3
DH		 1006 asix_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, BMCR_RESET);
1007 asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
2e55cc72
DB		 1008 ADVERTISE_ALL | ADVERTISE_CSMA);
1009 mii_nway_restart(&dev->mii);
1010
933a27d3 1011 if ((ret = asix_write_medium_mode(dev, AX88772_MEDIUM_DEFAULT)) < 0)
51bf2976 1012 goto out;
2e55cc72 1013
48b1be6a 1014 if ((ret = asix_write_cmd(dev, AX_CMD_WRITE_IPG0,
2e55cc72 1015 AX88772_IPG0_DEFAULT | AX88772_IPG1_DEFAULT,
51bf2976 1016 AX88772_IPG2_DEFAULT, 0, NULL)) < 0) {
2e55cc72 1017 dbg("Write IPG,IPG1,IPG2 failed: %d", ret);
51bf2976 1018 goto out;
2e55cc72 1019 }
2e55cc72
DB		 1020
1021 /* Set RX_CTL to default values with 2k buffer, and enable cactus */
933a27d3 1022 if ((ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL)) < 0)
51bf2976 1023 goto out;
2e55cc72 1024
933a27d3
DH		 1025 rx_ctl = asix_read_rx_ctl(dev);
1026 dbg("RX_CTL is 0x%04x after all initializations", rx_ctl);
1027
1028 rx_ctl = asix_read_medium_status(dev);
1029 dbg("Medium Status is 0x%04x after all initializations", rx_ctl);
1030
2e55cc72
DB		 1031 /* Asix framing packs multiple eth frames into a 2K usb bulk transfer */
1032 if (dev->driver_info->flags & FLAG_FRAMING_AX) {
1033 /* hard_mtu is still the default - the device does not support
1034 jumbo eth frames */
1035 dev->rx_urb_size = 2048;
1036 }
2e55cc72
DB		 1037 return 0;
1038
51bf2976 1039out:
2e55cc72
DB		 1040 return ret;
1041}
1042
933a27d3
DH		 1043static struct ethtool_ops ax88178_ethtool_ops = {
1044 .get_drvinfo = asix_get_drvinfo,
1045 .get_link = asix_get_link,
933a27d3
DH		 1046 .get_msglevel = usbnet_get_msglevel,
1047 .set_msglevel = usbnet_set_msglevel,
1048 .get_wol = asix_get_wol,
1049 .set_wol = asix_set_wol,
1050 .get_eeprom_len = asix_get_eeprom_len,
1051 .get_eeprom = asix_get_eeprom,
c41286fd
AB		 1052 .get_settings = usbnet_get_settings,
1053 .set_settings = usbnet_set_settings,
1054 .nway_reset = usbnet_nway_reset,
933a27d3
DH		 1055};
1056
1057static int marvell_phy_init(struct usbnet *dev)
2e55cc72 1058{
933a27d3
DH		 1059 struct asix_data *data = (struct asix_data *)&dev->data;
1060 u16 reg;
2e55cc72 1061
933a27d3 1062 devdbg(dev,"marvell_phy_init()");
2e55cc72 1063
933a27d3
DH		 1064 reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_MARVELL_STATUS);
1065 devdbg(dev,"MII_MARVELL_STATUS = 0x%04x", reg);
2e55cc72 1066
933a27d3
DH		 1067 asix_mdio_write(dev->net, dev->mii.phy_id, MII_MARVELL_CTRL,
1068 MARVELL_CTRL_RXDELAY | MARVELL_CTRL_TXDELAY);
2e55cc72 1069
933a27d3
DH		 1070 if (data->ledmode) {
1071 reg = asix_mdio_read(dev->net, dev->mii.phy_id,
1072 MII_MARVELL_LED_CTRL);
1073 devdbg(dev,"MII_MARVELL_LED_CTRL (1) = 0x%04x", reg);
2e55cc72 1074
933a27d3
DH		 1075 reg &= 0xf8ff;
1076 reg |= (1 + 0x0100);
1077 asix_mdio_write(dev->net, dev->mii.phy_id,
1078 MII_MARVELL_LED_CTRL, reg);
2e55cc72 1079
933a27d3
DH		 1080 reg = asix_mdio_read(dev->net, dev->mii.phy_id,
1081 MII_MARVELL_LED_CTRL);
1082 devdbg(dev,"MII_MARVELL_LED_CTRL (2) = 0x%04x", reg);
1083 reg &= 0xfc0f;
1084 }
2e55cc72 1085
933a27d3
DH		 1086 return 0;
1087}
1088
1089static int marvell_led_status(struct usbnet *dev, u16 speed)
1090{
1091 u16 reg = asix_mdio_read(dev->net, dev->mii.phy_id, MARVELL_LED_MANUAL);
1092
1093 devdbg(dev, "marvell_led_status() read 0x%04x", reg);
1094
1095 /* Clear out the center LED bits - 0x03F0 */
1096 reg &= 0xfc0f;
1097
1098 switch (speed) {
1099 case SPEED_1000:
1100 reg |= 0x03e0;
1101 break;
1102 case SPEED_100:
1103 reg |= 0x03b0;
1104 break;
1105 default:
1106 reg |= 0x02f0;
2e55cc72
DB		 1107 }
1108
933a27d3
DH		 1109 devdbg(dev, "marvell_led_status() writing 0x%04x", reg);
1110 asix_mdio_write(dev->net, dev->mii.phy_id, MARVELL_LED_MANUAL, reg);
1111
1112 return 0;
1113}
1114
1115static int ax88178_link_reset(struct usbnet *dev)
1116{
1117 u16 mode;
1118 struct ethtool_cmd ecmd;
1119 struct asix_data *data = (struct asix_data *)&dev->data;
1120
1121 devdbg(dev,"ax88178_link_reset()");
1122
1123 mii_check_media(&dev->mii, 1, 1);
1124 mii_ethtool_gset(&dev->mii, &ecmd);
1125 mode = AX88178_MEDIUM_DEFAULT;
1126
1127 if (ecmd.speed == SPEED_1000)
a7f75c0c 1128 mode |= AX_MEDIUM_GM;
933a27d3
DH		 1129 else if (ecmd.speed == SPEED_100)
1130 mode |= AX_MEDIUM_PS;
1131 else
1132 mode &= ~(AX_MEDIUM_PS | AX_MEDIUM_GM);
1133
a7f75c0c
PK		 1134 mode |= AX_MEDIUM_ENCK;
1135
933a27d3
DH		 1136 if (ecmd.duplex == DUPLEX_FULL)
1137 mode |= AX_MEDIUM_FD;
1138 else
1139 mode &= ~AX_MEDIUM_FD;
1140
1141 devdbg(dev, "ax88178_link_reset() speed: %d duplex: %d setting mode to 0x%04x", ecmd.speed, ecmd.duplex, mode);
1142
1143 asix_write_medium_mode(dev, mode);
1144
1145 if (data->phymode == PHY_MODE_MARVELL && data->ledmode)
1146 marvell_led_status(dev, ecmd.speed);
1147
1148 return 0;
1149}
1150
1151static void ax88178_set_mfb(struct usbnet *dev)
1152{
1153 u16 mfb = AX_RX_CTL_MFB_16384;
1154 u16 rxctl;
1155 u16 medium;
1156 int old_rx_urb_size = dev->rx_urb_size;
1157
1158 if (dev->hard_mtu < 2048) {
1159 dev->rx_urb_size = 2048;
1160 mfb = AX_RX_CTL_MFB_2048;
1161 } else if (dev->hard_mtu < 4096) {
1162 dev->rx_urb_size = 4096;
1163 mfb = AX_RX_CTL_MFB_4096;
1164 } else if (dev->hard_mtu < 8192) {
1165 dev->rx_urb_size = 8192;
1166 mfb = AX_RX_CTL_MFB_8192;
1167 } else if (dev->hard_mtu < 16384) {
1168 dev->rx_urb_size = 16384;
1169 mfb = AX_RX_CTL_MFB_16384;
2e55cc72 1170 }
933a27d3
DH		 1171
1172 rxctl = asix_read_rx_ctl(dev);
1173 asix_write_rx_ctl(dev, (rxctl & ~AX_RX_CTL_MFB_16384) | mfb);
1174
1175 medium = asix_read_medium_status(dev);
1176 if (dev->net->mtu > 1500)
1177 medium |= AX_MEDIUM_JFE;
1178 else
1179 medium &= ~AX_MEDIUM_JFE;
1180 asix_write_medium_mode(dev, medium);
1181
1182 if (dev->rx_urb_size > old_rx_urb_size)
1183 usbnet_unlink_rx_urbs(dev);
2e55cc72
DB		 1184}
1185
933a27d3 1186static int ax88178_change_mtu(struct net_device *net, int new_mtu)
2e55cc72 1187{
933a27d3
DH		 1188 struct usbnet *dev = netdev_priv(net);
1189 int ll_mtu = new_mtu + net->hard_header_len + 4;
2e55cc72 1190
933a27d3 1191 devdbg(dev, "ax88178_change_mtu() new_mtu=%d", new_mtu);
2e55cc72 1192
933a27d3
DH		 1193 if (new_mtu <= 0 || ll_mtu > 16384)
1194 return -EINVAL;
1195
1196 if ((ll_mtu % dev->maxpacket) == 0)
1197 return -EDOM;
1198
1199 net->mtu = new_mtu;
1200 dev->hard_mtu = net->mtu + net->hard_header_len;
1201 ax88178_set_mfb(dev);
1202
1203 return 0;
1204}
1205
1703338c
SH		 1206static const struct net_device_ops ax88178_netdev_ops = {
1207 .ndo_open = usbnet_open,
1208 .ndo_stop = usbnet_stop,
1209 .ndo_start_xmit = usbnet_start_xmit,
1210 .ndo_tx_timeout = usbnet_tx_timeout,
1211 .ndo_set_mac_address = eth_mac_addr,
1212 .ndo_validate_addr = eth_validate_addr,
1213 .ndo_set_multicast_list = asix_set_multicast,
1214 .ndo_do_ioctl = asix_ioctl,
1215 .ndo_change_mtu = ax88178_change_mtu,
1216};
1217
933a27d3
DH		 1218static int ax88178_bind(struct usbnet *dev, struct usb_interface *intf)
1219{
1220 struct asix_data *data = (struct asix_data *)&dev->data;
1221 int ret;
51bf2976
AV		 1222 u8 buf[ETH_ALEN];
1223 __le16 eeprom;
1224 u8 status;
933a27d3
DH		 1225 int gpio0 = 0;
1226 u32 phyid;
1227
1228 usbnet_get_endpoints(dev,intf);
1229
51bf2976
AV		 1230 asix_read_cmd(dev, AX_CMD_READ_GPIOS, 0, 0, 1, &status);
1231 dbg("GPIO Status: 0x%04x", status);
933a27d3
DH		 1232
1233 asix_write_cmd(dev, AX_CMD_WRITE_ENABLE, 0, 0, 0, NULL);
1234 asix_read_cmd(dev, AX_CMD_READ_EEPROM, 0x0017, 0, 2, &eeprom);
1235 asix_write_cmd(dev, AX_CMD_WRITE_DISABLE, 0, 0, 0, NULL);
1236
1237 dbg("EEPROM index 0x17 is 0x%04x", eeprom);
1238
51bf2976 1239 if (eeprom == cpu_to_le16(0xffff)) {
933a27d3
DH		 1240 data->phymode = PHY_MODE_MARVELL;
1241 data->ledmode = 0;
1242 gpio0 = 1;
2e55cc72 1243 } else {
51bf2976
AV		 1244 data->phymode = le16_to_cpu(eeprom) & 7;
1245 data->ledmode = le16_to_cpu(eeprom) >> 8;
1246 gpio0 = (le16_to_cpu(eeprom) & 0x80) ? 0 : 1;
2e55cc72 1247 }
933a27d3 1248 dbg("GPIO0: %d, PhyMode: %d", gpio0, data->phymode);
2e55cc72 1249
933a27d3 1250 asix_write_gpio(dev, AX_GPIO_RSE | AX_GPIO_GPO_1 | AX_GPIO_GPO1EN, 40);
51bf2976 1251 if ((le16_to_cpu(eeprom) >> 8) != 1) {
933a27d3
DH		 1252 asix_write_gpio(dev, 0x003c, 30);
1253 asix_write_gpio(dev, 0x001c, 300);
1254 asix_write_gpio(dev, 0x003c, 30);
1255 } else {
1256 dbg("gpio phymode == 1 path");
1257 asix_write_gpio(dev, AX_GPIO_GPO1EN, 30);
1258 asix_write_gpio(dev, AX_GPIO_GPO1EN | AX_GPIO_GPO_1, 30);
1259 }
2e55cc72 1260
933a27d3
DH		 1261 asix_sw_reset(dev, 0);
1262 msleep(150);
1263
1264 asix_sw_reset(dev, AX_SWRESET_PRL | AX_SWRESET_IPPD);
1265 msleep(150);
1266
1267 asix_write_rx_ctl(dev, 0);
1268
1269 /* Get the MAC address */
933a27d3
DH		 1270 if ((ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID,
1271 0, 0, ETH_ALEN, buf)) < 0) {
1272 dbg("Failed to read MAC address: %d", ret);
51bf2976 1273 goto out;
2e55cc72 1274 }
933a27d3 1275 memcpy(dev->net->dev_addr, buf, ETH_ALEN);
2e55cc72 1276
933a27d3
DH		 1277 /* Initialize MII structure */
1278 dev->mii.dev = dev->net;
1279 dev->mii.mdio_read = asix_mdio_read;
1280 dev->mii.mdio_write = asix_mdio_write;
1281 dev->mii.phy_id_mask = 0x1f;
1282 dev->mii.reg_num_mask = 0xff;
1283 dev->mii.supports_gmii = 1;
933a27d3 1284 dev->mii.phy_id = asix_get_phy_addr(dev);
1703338c
SH		 1285
1286 dev->net->netdev_ops = &ax88178_netdev_ops;
933a27d3 1287 dev->net->ethtool_ops = &ax88178_ethtool_ops;
2e55cc72 1288
933a27d3
DH		 1289 phyid = asix_get_phyid(dev);
1290 dbg("PHYID=0x%08x", phyid);
2e55cc72 1291
933a27d3
DH		 1292 if (data->phymode == PHY_MODE_MARVELL) {
1293 marvell_phy_init(dev);
1294 msleep(60);
1295 }
1296
1297 asix_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR,
1298 BMCR_RESET | BMCR_ANENABLE);
1299 asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
1300 ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
1301 asix_mdio_write(dev->net, dev->mii.phy_id, MII_CTRL1000,
1302 ADVERTISE_1000FULL);
1303
1304 mii_nway_restart(&dev->mii);
1305
1306 if ((ret = asix_write_medium_mode(dev, AX88178_MEDIUM_DEFAULT)) < 0)
51bf2976 1307 goto out;
933a27d3
DH		 1308
1309 if ((ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL)) < 0)
51bf2976 1310 goto out;
933a27d3
DH		 1311
1312 /* Asix framing packs multiple eth frames into a 2K usb bulk transfer */
1313 if (dev->driver_info->flags & FLAG_FRAMING_AX) {
1314 /* hard_mtu is still the default - the device does not support
1315 jumbo eth frames */
1316 dev->rx_urb_size = 2048;
1317 }
2e55cc72 1318 return 0;
933a27d3 1319
51bf2976 1320out:
933a27d3 1321 return ret;
2e55cc72
DB		 1322}
1323
1324static const struct driver_info ax8817x_info = {
1325 .description = "ASIX AX8817x USB 2.0 Ethernet",
48b1be6a
DH		 1326 .bind = ax88172_bind,
1327 .status = asix_status,
2e55cc72
DB		 1328 .link_reset = ax88172_link_reset,
1329 .reset = ax88172_link_reset,
37e8273c 1330 .flags = FLAG_ETHER | FLAG_LINK_INTR,
2e55cc72
DB		 1331 .data = 0x00130103,
1332};
1333
1334static const struct driver_info dlink_dub_e100_info = {
1335 .description = "DLink DUB-E100 USB Ethernet",
48b1be6a
DH		 1336 .bind = ax88172_bind,
1337 .status = asix_status,
2e55cc72
DB		 1338 .link_reset = ax88172_link_reset,
1339 .reset = ax88172_link_reset,
37e8273c 1340 .flags = FLAG_ETHER | FLAG_LINK_INTR,
2e55cc72
DB		 1341 .data = 0x009f9d9f,
1342};
1343
1344static const struct driver_info netgear_fa120_info = {
1345 .description = "Netgear FA-120 USB Ethernet",
48b1be6a
DH		 1346 .bind = ax88172_bind,
1347 .status = asix_status,
2e55cc72
DB		 1348 .link_reset = ax88172_link_reset,
1349 .reset = ax88172_link_reset,
37e8273c 1350 .flags = FLAG_ETHER | FLAG_LINK_INTR,
2e55cc72
DB		 1351 .data = 0x00130103,
1352};
1353
1354static const struct driver_info hawking_uf200_info = {
1355 .description = "Hawking UF200 USB Ethernet",
48b1be6a
DH		 1356 .bind = ax88172_bind,
1357 .status = asix_status,
2e55cc72
DB		 1358 .link_reset = ax88172_link_reset,
1359 .reset = ax88172_link_reset,
37e8273c 1360 .flags = FLAG_ETHER | FLAG_LINK_INTR,
2e55cc72
DB		 1361 .data = 0x001f1d1f,
1362};
1363
1364static const struct driver_info ax88772_info = {
1365 .description = "ASIX AX88772 USB 2.0 Ethernet",
1366 .bind = ax88772_bind,
48b1be6a 1367 .status = asix_status,
2e55cc72
DB		 1368 .link_reset = ax88772_link_reset,
1369 .reset = ax88772_link_reset,
37e8273c 1370 .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR,
933a27d3
DH		 1371 .rx_fixup = asix_rx_fixup,
1372 .tx_fixup = asix_tx_fixup,
1373};
1374
1375static const struct driver_info ax88178_info = {
1376 .description = "ASIX AX88178 USB 2.0 Ethernet",
1377 .bind = ax88178_bind,
1378 .status = asix_status,
1379 .link_reset = ax88178_link_reset,
1380 .reset = ax88178_link_reset,
37e8273c 1381 .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR,
933a27d3
DH		 1382 .rx_fixup = asix_rx_fixup,
1383 .tx_fixup = asix_tx_fixup,
2e55cc72
DB		 1384};
1385
1386static const struct usb_device_id products [] = {
1387{
1388 // Linksys USB200M
1389 USB_DEVICE (0x077b, 0x2226),
1390 .driver_info = (unsigned long) &ax8817x_info,
1391}, {
1392 // Netgear FA120
1393 USB_DEVICE (0x0846, 0x1040),
1394 .driver_info = (unsigned long) &netgear_fa120_info,
1395}, {
1396 // DLink DUB-E100
1397 USB_DEVICE (0x2001, 0x1a00),
1398 .driver_info = (unsigned long) &dlink_dub_e100_info,
1399}, {
1400 // Intellinet, ST Lab USB Ethernet
1401 USB_DEVICE (0x0b95, 0x1720),
1402 .driver_info = (unsigned long) &ax8817x_info,
1403}, {
1404 // Hawking UF200, TrendNet TU2-ET100
1405 USB_DEVICE (0x07b8, 0x420a),
1406 .driver_info = (unsigned long) &hawking_uf200_info,
1407}, {
39c4b38c
DH		 1408 // Billionton Systems, USB2AR
1409 USB_DEVICE (0x08dd, 0x90ff),
1410 .driver_info = (unsigned long) &ax8817x_info,
2e55cc72
DB		 1411}, {
1412 // ATEN UC210T
1413 USB_DEVICE (0x0557, 0x2009),
1414 .driver_info = (unsigned long) &ax8817x_info,
1415}, {
1416 // Buffalo LUA-U2-KTX
1417 USB_DEVICE (0x0411, 0x003d),
1418 .driver_info = (unsigned long) &ax8817x_info,
ac7b77f1
MD		 1419}, {
1420 // Buffalo LUA-U2-GT 10/100/1000
1421 USB_DEVICE (0x0411, 0x006e),
1422 .driver_info = (unsigned long) &ax88178_info,
2e55cc72
DB		 1423}, {
1424 // Sitecom LN-029 "USB 2.0 10/100 Ethernet adapter"
1425 USB_DEVICE (0x6189, 0x182d),
1426 .driver_info = (unsigned long) &ax8817x_info,
1427}, {
1428 // corega FEther USB2-TX
1429 USB_DEVICE (0x07aa, 0x0017),
1430 .driver_info = (unsigned long) &ax8817x_info,
1431}, {
1432 // Surecom EP-1427X-2
1433 USB_DEVICE (0x1189, 0x0893),
1434 .driver_info = (unsigned long) &ax8817x_info,
1435}, {
1436 // goodway corp usb gwusb2e
1437 USB_DEVICE (0x1631, 0x6200),
1438 .driver_info = (unsigned long) &ax8817x_info,
39c4b38c
DH		 1439}, {
1440 // JVC MP-PRX1 Port Replicator
1441 USB_DEVICE (0x04f1, 0x3008),
1442 .driver_info = (unsigned long) &ax8817x_info,
2e55cc72
DB		 1443}, {
1444 // ASIX AX88772 10/100
39c4b38c
DH		 1445 USB_DEVICE (0x0b95, 0x7720),
1446 .driver_info = (unsigned long) &ax88772_info,
7327413c
EW		 1447}, {
1448 // ASIX AX88178 10/100/1000
1449 USB_DEVICE (0x0b95, 0x1780),
933a27d3 1450 .driver_info = (unsigned long) &ax88178_info,
5e0f76c6
DH		 1451}, {
1452 // Linksys USB200M Rev 2
1453 USB_DEVICE (0x13b1, 0x0018),
1454 .driver_info = (unsigned long) &ax88772_info,
5732ce84
DH		 1455}, {
1456 // 0Q0 cable ethernet
1457 USB_DEVICE (0x1557, 0x7720),
1458 .driver_info = (unsigned long) &ax88772_info,
933a27d3
DH		 1459}, {
1460 // DLink DUB-E100 H/W Ver B1
1461 USB_DEVICE (0x07d1, 0x3c05),
1462 .driver_info = (unsigned long) &ax88772_info,
b923e7fc
DH		 1463}, {
1464 // DLink DUB-E100 H/W Ver B1 Alternate
1465 USB_DEVICE (0x2001, 0x3c05),
1466 .driver_info = (unsigned long) &ax88772_info,
933a27d3
DH		 1467}, {
1468 // Linksys USB1000
1469 USB_DEVICE (0x1737, 0x0039),
1470 .driver_info = (unsigned long) &ax88178_info,
b29cf31d
YH		 1471}, {
1472 // IO-DATA ETG-US2
1473 USB_DEVICE (0x04bb, 0x0930),
1474 .driver_info = (unsigned long) &ax88178_info,
2ed22bc2
DH		 1475}, {
1476 // Belkin F5D5055
1477 USB_DEVICE(0x050d, 0x5055),
1478 .driver_info = (unsigned long) &ax88178_info,
3d60efb5
AN		 1479}, {
1480 // Apple USB Ethernet Adapter
1481 USB_DEVICE(0x05ac, 0x1402),
1482 .driver_info = (unsigned long) &ax88772_info,
ccf95402
JC		 1483}, {
1484 // Cables-to-Go USB Ethernet Adapter
1485 USB_DEVICE(0x0b95, 0x772a),
1486 .driver_info = (unsigned long) &ax88772_info,
fef7cc08
GKH		 1487}, {
1488 // ABOCOM for pci
1489 USB_DEVICE(0x14ea, 0xab11),
1490 .driver_info = (unsigned long) &ax88178_info,
1491}, {
1492 // ASIX 88772a
1493 USB_DEVICE(0x0db0, 0xa877),
1494 .driver_info = (unsigned long) &ax88772_info,
2e55cc72
DB		 1495},
1496 { }, // END
1497};
1498MODULE_DEVICE_TABLE(usb, products);
1499
1500static struct usb_driver asix_driver = {
2e55cc72
DB		 1501 .name = "asix",
1502 .id_table = products,
1503 .probe = usbnet_probe,
1504 .suspend = usbnet_suspend,
1505 .resume = usbnet_resume,
1506 .disconnect = usbnet_disconnect,
a11a6544 1507 .supports_autosuspend = 1,
2e55cc72
DB		 1508};
1509
1510static int __init asix_init(void)
1511{
1512 return usb_register(&asix_driver);
1513}
1514module_init(asix_init);
1515
1516static void __exit asix_exit(void)
1517{
1518 usb_deregister(&asix_driver);
1519}
1520module_exit(asix_exit);
1521
1522MODULE_AUTHOR("David Hollis");
1523MODULE_DESCRIPTION("ASIX AX8817X based USB 2.0 Ethernet Devices");
1524MODULE_LICENSE("GPL");
1525
Clone of davem's net-next-2.6 tree