1 /******************************************************************************
4 * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
5 * Linux device driver for RTL8192SU
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of version 2 of the GNU General Public License as
9 * published by the Free Software Foundation.
11 * This program is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
16 * You should have received a copy of the GNU General Public License along with
17 * this program; if not, write to the Free Software Foundation, Inc.,
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
20 * Modifications for inclusion into the Linux staging tree are
21 * Copyright(c) 2010 Larry Finger. All rights reserved.
23 * Contact information:
24 * WLAN FAE <wlanfae@realtek.com>
25 * Larry Finger <Larry.Finger@lwfinger.net>
27 ******************************************************************************/
31 #include <linux/usb.h>
32 #include <linux/module.h>
33 #include <linux/firmware.h>
35 #include "osdep_service.h"
36 #include "drv_types.h"
37 #include "recv_osdep.h"
38 #include "xmit_osdep.h"
39 #include "rtl8712_efuse.h"
40 #include "usb_vendor_req.h"
42 #include "usb_osintf.h"
44 #define DRVER "v7_0.20100831"
46 static struct usb_interface *pintf;
48 static int r871xu_drv_init(struct usb_interface *pusb_intf,
49 const struct usb_device_id *pdid);
51 static void r871xu_dev_remove(struct usb_interface *pusb_intf);
53 static struct usb_device_id rtl871x_usb_id_tbl[] = {
57 {USB_DEVICE(0x0BDA, 0x8171)},
58 {USB_DEVICE(0x0bda, 0x8173)},
59 {USB_DEVICE(0x0bda, 0x8712)},
60 {USB_DEVICE(0x0bda, 0x8713)},
61 {USB_DEVICE(0x0bda, 0xC512)},
63 {USB_DEVICE(0x07B8, 0x8188)},
65 {USB_DEVICE(0x0B05, 0x1786)},
66 {USB_DEVICE(0x0B05, 0x1791)}, /* 11n mode disable */
68 {USB_DEVICE(0x050D, 0x945A)},
70 {USB_DEVICE(0x07AA, 0x0047)},
72 {USB_DEVICE(0x2001, 0x3306)},
73 {USB_DEVICE(0x07D1, 0x3306)}, /* 11n mode disable */
75 {USB_DEVICE(0x7392, 0x7611)},
77 {USB_DEVICE(0x1740, 0x9603)},
79 {USB_DEVICE(0x0E66, 0x0016)},
81 {USB_DEVICE(0x06F8, 0xE034)},
82 {USB_DEVICE(0x06F8, 0xE032)},
84 {USB_DEVICE(0x0789, 0x0167)},
86 {USB_DEVICE(0x2019, 0xAB28)},
87 {USB_DEVICE(0x2019, 0xED16)},
89 {USB_DEVICE(0x0DF6, 0x0057)},
90 {USB_DEVICE(0x0DF6, 0x0045)},
91 {USB_DEVICE(0x0DF6, 0x0059)}, /* 11n mode disable */
92 {USB_DEVICE(0x0DF6, 0x004B)},
93 {USB_DEVICE(0x0DF6, 0x005B)},
94 {USB_DEVICE(0x0DF6, 0x005D)},
95 {USB_DEVICE(0x0DF6, 0x0063)},
97 {USB_DEVICE(0x177F, 0x0154)},
99 {USB_DEVICE(0x0BDA, 0x5077)},
101 {USB_DEVICE(0x1690, 0x0752)},
103 {USB_DEVICE(0x20F4, 0x646B)},
104 {USB_DEVICE(0x083A, 0xC512)},
108 {USB_DEVICE(0x0BDA, 0x8172)},
109 {USB_DEVICE(0x0BDA, 0x8192)},
111 {USB_DEVICE(0x0EB0, 0x9061)},
113 {USB_DEVICE(0x13D3, 0x3323)},
114 {USB_DEVICE(0x13D3, 0x3311)}, /* 11n mode disable */
115 {USB_DEVICE(0x13D3, 0x3342)},
117 {USB_DEVICE(0x13D3, 0x3333)},
118 {USB_DEVICE(0x13D3, 0x3334)},
119 {USB_DEVICE(0x13D3, 0x3335)}, /* 11n mode disable */
120 {USB_DEVICE(0x13D3, 0x3336)}, /* 11n mode disable */
122 {USB_DEVICE(0x13D3, 0x3309)},
124 {USB_DEVICE(0x050D, 0x815F)},
126 {USB_DEVICE(0x07D1, 0x3302)},
127 {USB_DEVICE(0x07D1, 0x3300)},
128 {USB_DEVICE(0x07D1, 0x3303)},
130 {USB_DEVICE(0x7392, 0x7612)},
132 {USB_DEVICE(0x1740, 0x9605)},
134 {USB_DEVICE(0x06F8, 0xE031)},
136 {USB_DEVICE(0x0E66, 0x0015)},
138 {USB_DEVICE(0x13D3, 0x3306)},
140 {USB_DEVICE(0x2019, 0xED18)},
141 {USB_DEVICE(0x2019, 0x4901)},
143 {USB_DEVICE(0x0DF6, 0x0058)},
144 {USB_DEVICE(0x0DF6, 0x0049)},
145 {USB_DEVICE(0x0DF6, 0x004C)},
146 {USB_DEVICE(0x0DF6, 0x0064)},
148 {USB_DEVICE(0x14b2, 0x3300)},
149 {USB_DEVICE(0x14b2, 0x3301)},
150 {USB_DEVICE(0x14B2, 0x3302)},
152 {USB_DEVICE(0x04F2, 0xAFF2)},
153 {USB_DEVICE(0x04F2, 0xAFF5)},
154 {USB_DEVICE(0x04F2, 0xAFF6)},
155 {USB_DEVICE(0x13D3, 0x3339)},
156 {USB_DEVICE(0x13D3, 0x3340)}, /* 11n mode disable */
157 {USB_DEVICE(0x13D3, 0x3341)}, /* 11n mode disable */
158 {USB_DEVICE(0x13D3, 0x3310)},
159 {USB_DEVICE(0x13D3, 0x3325)},
163 {USB_DEVICE(0x0BDA, 0x8174)},
165 {USB_DEVICE(0x050D, 0x845A)},
167 {USB_DEVICE(0x07AA, 0x0051)},
169 {USB_DEVICE(0x7392, 0x7622)},
171 {USB_DEVICE(0x0409, 0x02B6)},
175 MODULE_DEVICE_TABLE(usb, rtl871x_usb_id_tbl);
177 static struct specific_device_id specific_device_id_tbl[] = {
178 {.idVendor = 0x0b05, .idProduct = 0x1791,
179 .flags = SPEC_DEV_ID_DISABLE_HT},
180 {.idVendor = 0x0df6, .idProduct = 0x0059,
181 .flags = SPEC_DEV_ID_DISABLE_HT},
182 {.idVendor = 0x13d3, .idProduct = 0x3306,
183 .flags = SPEC_DEV_ID_DISABLE_HT},
184 {.idVendor = 0x13D3, .idProduct = 0x3311,
185 .flags = SPEC_DEV_ID_DISABLE_HT},
186 {.idVendor = 0x13d3, .idProduct = 0x3335,
187 .flags = SPEC_DEV_ID_DISABLE_HT},
188 {.idVendor = 0x13d3, .idProduct = 0x3336,
189 .flags = SPEC_DEV_ID_DISABLE_HT},
190 {.idVendor = 0x13d3, .idProduct = 0x3340,
191 .flags = SPEC_DEV_ID_DISABLE_HT},
192 {.idVendor = 0x13d3, .idProduct = 0x3341,
193 .flags = SPEC_DEV_ID_DISABLE_HT},
198 struct usb_driver r871xu_drv;
203 static int r871x_suspend(struct usb_interface *pusb_intf, pm_message_t state)
205 struct net_device *pnetdev = usb_get_intfdata(pusb_intf);
207 printk(KERN_INFO "r8712: suspending...\n");
208 if (!pnetdev || !netif_running(pnetdev)) {
209 printk(KERN_INFO "r8712: unable to suspend\n");
212 if (pnetdev->netdev_ops->ndo_stop)
213 pnetdev->netdev_ops->ndo_stop(pnetdev);
215 netif_device_detach(pnetdev);
219 static int r871x_resume(struct usb_interface *pusb_intf)
221 struct net_device *pnetdev = usb_get_intfdata(pusb_intf);
223 printk(KERN_INFO "r8712: resuming...\n");
224 if (!pnetdev || !netif_running(pnetdev)) {
225 printk(KERN_INFO "r8712: unable to resume\n");
228 netif_device_attach(pnetdev);
229 if (pnetdev->netdev_ops->ndo_open)
230 pnetdev->netdev_ops->ndo_open(pnetdev);
234 static int r871x_reset_resume(struct usb_interface *pusb_intf)
242 static struct drv_priv drvpriv = {
243 .r871xu_drv.name = "r8712u",
244 .r871xu_drv.id_table = rtl871x_usb_id_tbl,
245 .r871xu_drv.probe = r871xu_drv_init,
246 .r871xu_drv.disconnect = r871xu_dev_remove,
248 .r871xu_drv.suspend = r871x_suspend,
249 .r871xu_drv.resume = r871x_resume,
250 .r871xu_drv.reset_resume = r871x_reset_resume,
254 static uint r8712_usb_dvobj_init(struct _adapter *padapter)
256 uint status = _SUCCESS;
257 struct usb_device_descriptor *pdev_desc;
258 struct usb_host_config *phost_conf;
259 struct usb_config_descriptor *pconf_desc;
260 struct usb_host_interface *phost_iface;
261 struct usb_interface_descriptor *piface_desc;
262 struct dvobj_priv *pdvobjpriv = &padapter->dvobjpriv;
263 struct usb_device *pusbd = pdvobjpriv->pusbdev;
265 pdvobjpriv->padapter = padapter;
266 padapter->EepromAddressSize = 6;
267 pdev_desc = &pusbd->descriptor;
268 phost_conf = pusbd->actconfig;
269 pconf_desc = &phost_conf->desc;
270 phost_iface = &pintf->altsetting[0];
271 piface_desc = &phost_iface->desc;
272 pdvobjpriv->nr_endpoint = piface_desc->bNumEndpoints;
273 if (pusbd->speed == USB_SPEED_HIGH) {
274 pdvobjpriv->ishighspeed = true;
275 printk(KERN_INFO "r8712u: USB_SPEED_HIGH with %d endpoints\n",
276 pdvobjpriv->nr_endpoint);
278 pdvobjpriv->ishighspeed = false;
279 printk(KERN_INFO "r8712u: USB_SPEED_LOW with %d endpoints\n",
280 pdvobjpriv->nr_endpoint);
282 if ((r8712_alloc_io_queue(padapter)) == _FAIL)
287 static void r8712_usb_dvobj_deinit(struct _adapter *padapter)
291 void rtl871x_intf_stop(struct _adapter *padapter)
293 /*disable_hw_interrupt*/
294 if (padapter->bSurpriseRemoved == false) {
295 /*device still exists, so driver can do i/o operation
300 if (padapter->dvobjpriv.inirp_deinit != NULL)
301 padapter->dvobjpriv.inirp_deinit(padapter);
303 r8712_usb_write_port_cancel(padapter);
304 /* TODO:cancel other irps */
307 void r871x_dev_unload(struct _adapter *padapter)
309 if (padapter->bup == true) {
311 padapter->bDriverStopped = true;
314 rtl871x_intf_stop(padapter);
317 r8712_stop_drv_threads(padapter);
320 if (padapter->bSurpriseRemoved == false) {
321 padapter->hw_init_completed = false;
322 rtl8712_hal_deinit(padapter);
326 if (padapter->dvobj_deinit)
327 padapter->dvobj_deinit(padapter);
328 padapter->bup = false;
332 static void disable_ht_for_spec_devid(const struct usb_device_id *pdid,
333 struct _adapter *padapter)
338 int num = sizeof(specific_device_id_tbl) /
339 sizeof(struct specific_device_id);
341 for (i = 0; i < num; i++) {
342 vid = specific_device_id_tbl[i].idVendor;
343 pid = specific_device_id_tbl[i].idProduct;
344 flags = specific_device_id_tbl[i].flags;
346 if ((pdid->idVendor == vid) && (pdid->idProduct == pid) &&
347 (flags&SPEC_DEV_ID_DISABLE_HT)) {
348 padapter->registrypriv.ht_enable = 0;
349 padapter->registrypriv.cbw40_enable = 0;
350 padapter->registrypriv.ampdu_enable = 0;
355 static u8 key_2char2num(u8 hch, u8 lch)
357 return (hex_to_bin(hch) << 4) | hex_to_bin(lch);
361 * drv_init() - a device potentially for us
363 * notes: drv_init() is called when the bus driver has located a card for us
364 * to support. We accept the new device by returning 0.
366 static int r871xu_drv_init(struct usb_interface *pusb_intf,
367 const struct usb_device_id *pdid)
370 struct _adapter *padapter = NULL;
371 struct dvobj_priv *pdvobjpriv;
372 struct net_device *pnetdev;
373 struct usb_device *udev;
375 printk(KERN_INFO "r8712u: DriverVersion: %s\n", DRVER);
376 /* In this probe function, O.S. will provide the usb interface pointer
377 * to driver. We have to increase the reference count of the usb device
378 * structure by using the usb_get_dev function.
380 udev = interface_to_usbdev(pusb_intf);
384 pnetdev = r8712_init_netdev();
387 padapter = netdev_priv(pnetdev);
388 disable_ht_for_spec_devid(pdid, padapter);
389 pdvobjpriv = &padapter->dvobjpriv;
390 pdvobjpriv->padapter = padapter;
391 padapter->dvobjpriv.pusbdev = udev;
392 padapter->pusb_intf = pusb_intf;
393 usb_set_intfdata(pusb_intf, pnetdev);
394 SET_NETDEV_DEV(pnetdev, &pusb_intf->dev);
396 padapter->dvobj_init = &r8712_usb_dvobj_init;
397 padapter->dvobj_deinit = &r8712_usb_dvobj_deinit;
398 padapter->halpriv.hal_bus_init = &r8712_usb_hal_bus_init;
399 padapter->dvobjpriv.inirp_init = &r8712_usb_inirp_init;
400 padapter->dvobjpriv.inirp_deinit = &r8712_usb_inirp_deinit;
402 * initialize the dvobj_priv
404 if (padapter->dvobj_init == NULL)
407 status = padapter->dvobj_init(padapter);
408 if (status != _SUCCESS)
412 status = r8712_init_drv_sw(padapter);
415 /* step 5. read efuse/eeprom data and get mac_addr */
419 u8 tmpU1b, AutoloadFail, eeprom_CustomerID;
420 u8 *pdata = padapter->eeprompriv.efuse_eeprom_data;
422 tmpU1b = r8712_read8(padapter, EE_9346CR);/*CR9346*/
424 /* To check system boot selection.*/
425 printk(KERN_INFO "r8712u: Boot from %s: Autoload %s\n",
426 (tmpU1b & _9356SEL) ? "EEPROM" : "EFUSE",
427 (tmpU1b & _EEPROM_EN) ? "OK" : "Failed");
429 /* To check autoload success or not.*/
430 if (tmpU1b & _EEPROM_EN) {
432 /* The following operations prevent Efuse leakage by
435 tmpU1b = r8712_read8(padapter, EFUSE_TEST+3);
436 r8712_write8(padapter, EFUSE_TEST + 3, tmpU1b | 0x80);
438 r8712_write8(padapter, EFUSE_TEST + 3,
439 (tmpU1b & (~BIT(7))));
441 /* Retrieve Chip version.
442 * Recognize IC version by Reg0x4 BIT15.
444 tmpU1b = (u8)((r8712_read32(padapter, PMC_FSM) >> 15) &
447 padapter->registrypriv.chip_version =
450 padapter->registrypriv.chip_version =
452 switch (padapter->registrypriv.chip_version) {
458 padapter->registrypriv.chip_version =
463 for (i = 0, offset = 0; i < 128; i += 8, offset++)
464 r8712_efuse_pg_packet_read(padapter, offset,
468 /* Users specify the mac address */
471 for (jj = 0, kk = 0; jj < ETH_ALEN;
474 key_2char2num(r8712_initmac[kk],
475 r8712_initmac[kk + 1]);
477 /* Use the mac address stored in the Efuse
478 * offset = 0x12 for usb in efuse
480 memcpy(mac, &pdata[0x12], ETH_ALEN);
482 eeprom_CustomerID = pdata[0x52];
483 switch (eeprom_CustomerID) {
484 case EEPROM_CID_ALPHA:
485 padapter->eeprompriv.CustomerID =
488 case EEPROM_CID_CAMEO:
489 padapter->eeprompriv.CustomerID =
492 case EEPROM_CID_SITECOM:
493 padapter->eeprompriv.CustomerID =
496 case EEPROM_CID_COREGA:
497 padapter->eeprompriv.CustomerID =
500 case EEPROM_CID_Senao:
501 padapter->eeprompriv.CustomerID =
504 case EEPROM_CID_EDIMAX_BELKIN:
505 padapter->eeprompriv.CustomerID =
506 RT_CID_819x_Edimax_Belkin;
508 case EEPROM_CID_SERCOMM_BELKIN:
509 padapter->eeprompriv.CustomerID =
510 RT_CID_819x_Sercomm_Belkin;
512 case EEPROM_CID_WNC_COREGA:
513 padapter->eeprompriv.CustomerID =
514 RT_CID_819x_WNC_COREGA;
516 case EEPROM_CID_WHQL:
518 case EEPROM_CID_NetCore:
519 padapter->eeprompriv.CustomerID =
522 case EEPROM_CID_CAMEO1:
523 padapter->eeprompriv.CustomerID =
526 case EEPROM_CID_CLEVO:
527 padapter->eeprompriv.CustomerID =
531 padapter->eeprompriv.CustomerID =
535 printk(KERN_INFO "r8712u: CustomerID = 0x%.4x\n",
536 padapter->eeprompriv.CustomerID);
538 switch (padapter->eeprompriv.CustomerID) {
540 case RT_CID_819x_ALPHA:
541 case RT_CID_819x_CAMEO:
542 padapter->ledpriv.LedStrategy = SW_LED_MODE1;
543 padapter->ledpriv.bRegUseLed = true;
545 case RT_CID_819x_Sitecom:
546 padapter->ledpriv.LedStrategy = SW_LED_MODE2;
547 padapter->ledpriv.bRegUseLed = true;
550 case RT_CID_819x_Senao:
551 padapter->ledpriv.LedStrategy = SW_LED_MODE3;
552 padapter->ledpriv.bRegUseLed = true;
554 case RT_CID_819x_Edimax_Belkin:
555 padapter->ledpriv.LedStrategy = SW_LED_MODE4;
556 padapter->ledpriv.bRegUseLed = true;
558 case RT_CID_819x_Sercomm_Belkin:
559 padapter->ledpriv.LedStrategy = SW_LED_MODE5;
560 padapter->ledpriv.bRegUseLed = true;
562 case RT_CID_819x_WNC_COREGA:
563 padapter->ledpriv.LedStrategy = SW_LED_MODE6;
564 padapter->ledpriv.bRegUseLed = true;
567 padapter->ledpriv.LedStrategy = SW_LED_MODE0;
568 padapter->ledpriv.bRegUseLed = false;
572 AutoloadFail = false;
573 if (((mac[0] == 0xff) && (mac[1] == 0xff) &&
574 (mac[2] == 0xff) && (mac[3] == 0xff) &&
575 (mac[4] == 0xff) && (mac[5] == 0xff)) ||
576 ((mac[0] == 0x00) && (mac[1] == 0x00) &&
577 (mac[2] == 0x00) && (mac[3] == 0x00) &&
578 (mac[4] == 0x00) && (mac[5] == 0x00)) ||
579 (AutoloadFail == false)) {
588 /* Make sure the user did not select a multicast
589 * address by setting bit 1 of first octet.
592 printk(KERN_INFO "r8712u: MAC Address from user = "
595 printk(KERN_INFO "r8712u: MAC Address from efuse = "
597 memcpy(pnetdev->dev_addr, mac, ETH_ALEN);
599 /* step 6. Load the firmware asynchronously */
600 if (rtl871x_load_fw(padapter))
602 spin_lock_init(&padapter->lockRxFF0Filter);
603 mutex_init(&padapter->mutex_start);
607 usb_set_intfdata(pusb_intf, NULL);
608 if (padapter->dvobj_deinit != NULL)
609 padapter->dvobj_deinit(padapter);
611 free_netdev(pnetdev);
615 /* rmmod module & unplug(SurpriseRemoved) will call r871xu_dev_remove()
616 * => how to recognize both */
617 static void r871xu_dev_remove(struct usb_interface *pusb_intf)
619 struct net_device *pnetdev = usb_get_intfdata(pusb_intf);
620 struct _adapter *padapter = netdev_priv(pnetdev);
621 struct usb_device *udev = interface_to_usbdev(pusb_intf);
623 usb_set_intfdata(pusb_intf, NULL);
624 if (padapter->fw_found)
625 release_firmware(padapter->fw);
626 /* never exit with a firmware callback pending */
627 wait_for_completion(&padapter->rtl8712_fw_ready);
628 if (drvpriv.drv_registered == true)
629 padapter->bSurpriseRemoved = true;
630 if (pnetdev != NULL) {
631 /* will call netdev_close() */
632 unregister_netdev(pnetdev);
634 flush_scheduled_work();
636 /*Stop driver mlme relation timer */
637 if (padapter->fw_found)
638 r8712_stop_drv_timers(padapter);
639 r871x_dev_unload(padapter);
640 r8712_free_drv_sw(padapter);
641 usb_set_intfdata(pusb_intf, NULL);
642 /* decrease the reference count of the usb device structure
645 /* If we didn't unplug usb dongle and remove/insert module, driver
646 * fails on sitesurvey for the first time when device is up.
647 * Reset usb port for sitesurvey fail issue. */
648 if (udev->state != USB_STATE_NOTATTACHED)
649 usb_reset_device(udev);
653 static int __init r8712u_drv_entry(void)
655 drvpriv.drv_registered = true;
656 return usb_register(&drvpriv.r871xu_drv);
659 static void __exit r8712u_drv_halt(void)
661 drvpriv.drv_registered = false;
662 usb_deregister(&drvpriv.r871xu_drv);
663 printk(KERN_INFO "r8712u: Driver unloaded\n");
666 module_init(r8712u_drv_entry);
667 module_exit(r8712u_drv_halt);