1 /******************************************************************************
3 * Copyright(c) 2009-2010 Realtek Corporation. All rights reserved.
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation.
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
18 * The full GNU General Public License is included in this distribution in the
19 * file called LICENSE.
21 * Contact Information:
22 * wlanfae <wlanfae@realtek.com>
23 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
24 * Hsinchu 300, Taiwan.
26 * Larry Finger <Larry.Finger@lwfinger.net>
28 *****************************************************************************/
44 #include <linux/vmalloc.h>
45 #include <linux/module.h>
47 MODULE_AUTHOR("Georgia <georgia@realtek.com>");
48 MODULE_AUTHOR("Ziv Huang <ziv_huang@realtek.com>");
49 MODULE_AUTHOR("Larry Finger <Larry.Finger@lwfinger.net>");
50 MODULE_LICENSE("GPL");
51 MODULE_DESCRIPTION("Realtek 8192C/8188C 802.11n USB wireless");
52 MODULE_FIRMWARE("rtlwifi/rtl8192cufw.bin");
54 static int rtl92cu_init_sw_vars(struct ieee80211_hw *hw)
56 struct rtl_priv *rtlpriv = rtl_priv(hw);
57 const struct firmware *firmware;
60 rtlpriv->dm.dm_initialgain_enable = 1;
61 rtlpriv->dm.dm_flag = 0;
62 rtlpriv->dm.disable_framebursting = 0;
63 rtlpriv->dm.thermalvalue = 0;
64 rtlpriv->dbg.global_debuglevel = rtlpriv->cfg->mod_params->debug;
65 rtlpriv->rtlhal.pfirmware = vmalloc(0x4000);
66 if (!rtlpriv->rtlhal.pfirmware) {
67 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
68 ("Can't alloc buffer for fw.\n"));
72 err = request_firmware(&firmware, rtlpriv->cfg->fw_name,
75 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
76 ("Failed to request firmware!\n"));
79 if (firmware->size > 0x4000) {
80 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
81 ("Firmware is too big!\n"));
82 release_firmware(firmware);
85 memcpy(rtlpriv->rtlhal.pfirmware, firmware->data, firmware->size);
86 rtlpriv->rtlhal.fwsize = firmware->size;
87 release_firmware(firmware);
92 static void rtl92cu_deinit_sw_vars(struct ieee80211_hw *hw)
94 struct rtl_priv *rtlpriv = rtl_priv(hw);
96 if (rtlpriv->rtlhal.pfirmware) {
97 vfree(rtlpriv->rtlhal.pfirmware);
98 rtlpriv->rtlhal.pfirmware = NULL;
102 static struct rtl_hal_ops rtl8192cu_hal_ops = {
103 .init_sw_vars = rtl92cu_init_sw_vars,
104 .deinit_sw_vars = rtl92cu_deinit_sw_vars,
105 .read_chip_version = rtl92c_read_chip_version,
106 .read_eeprom_info = rtl92cu_read_eeprom_info,
107 .enable_interrupt = rtl92c_enable_interrupt,
108 .disable_interrupt = rtl92c_disable_interrupt,
109 .hw_init = rtl92cu_hw_init,
110 .hw_disable = rtl92cu_card_disable,
111 .set_network_type = rtl92cu_set_network_type,
112 .set_chk_bssid = rtl92cu_set_check_bssid,
113 .set_qos = rtl92c_set_qos,
114 .set_bcn_reg = rtl92cu_set_beacon_related_registers,
115 .set_bcn_intv = rtl92cu_set_beacon_interval,
116 .update_interrupt_mask = rtl92cu_update_interrupt_mask,
117 .get_hw_reg = rtl92cu_get_hw_reg,
118 .set_hw_reg = rtl92cu_set_hw_reg,
119 .update_rate_tbl = rtl92cu_update_hal_rate_table,
120 .update_rate_mask = rtl92cu_update_hal_rate_mask,
121 .fill_tx_desc = rtl92cu_tx_fill_desc,
122 .fill_fake_txdesc = rtl92cu_fill_fake_txdesc,
123 .fill_tx_cmddesc = rtl92cu_tx_fill_cmddesc,
124 .cmd_send_packet = rtl92cu_cmd_send_packet,
125 .query_rx_desc = rtl92cu_rx_query_desc,
126 .set_channel_access = rtl92cu_update_channel_access_setting,
127 .radio_onoff_checking = rtl92cu_gpio_radio_on_off_checking,
128 .set_bw_mode = rtl92c_phy_set_bw_mode,
129 .switch_channel = rtl92c_phy_sw_chnl,
130 .dm_watchdog = rtl92c_dm_watchdog,
131 .scan_operation_backup = rtl92c_phy_scan_operation_backup,
132 .set_rf_power_state = rtl92cu_phy_set_rf_power_state,
133 .led_control = rtl92cu_led_control,
134 .enable_hw_sec = rtl92cu_enable_hw_security_config,
135 .set_key = rtl92c_set_key,
136 .init_sw_leds = rtl92cu_init_sw_leds,
137 .deinit_sw_leds = rtl92cu_deinit_sw_leds,
138 .get_bbreg = rtl92c_phy_query_bb_reg,
139 .set_bbreg = rtl92c_phy_set_bb_reg,
140 .get_rfreg = rtl92cu_phy_query_rf_reg,
141 .set_rfreg = rtl92cu_phy_set_rf_reg,
142 .phy_rf6052_config = rtl92cu_phy_rf6052_config,
143 .phy_rf6052_set_cck_txpower = rtl92cu_phy_rf6052_set_cck_txpower,
144 .phy_rf6052_set_ofdm_txpower = rtl92cu_phy_rf6052_set_ofdm_txpower,
145 .config_bb_with_headerfile = _rtl92cu_phy_config_bb_with_headerfile,
146 .config_bb_with_pgheaderfile = _rtl92cu_phy_config_bb_with_pgheaderfile,
147 .phy_lc_calibrate = _rtl92cu_phy_lc_calibrate,
148 .phy_set_bw_mode_callback = rtl92cu_phy_set_bw_mode_callback,
149 .dm_dynamic_txpower = rtl92cu_dm_dynamic_txpower,
152 static struct rtl_mod_params rtl92cu_mod_params = {
157 module_param_named(swenc, rtl92cu_mod_params.sw_crypto, bool, 0444);
158 module_param_named(debug, rtl92cu_mod_params.debug, int, 0444);
159 MODULE_PARM_DESC(swenc, "Set to 1 for software crypto (default 0)\n");
160 MODULE_PARM_DESC(debug, "Set debug level (0-5) (default 0)");
162 static struct rtl_hal_usbint_cfg rtl92cu_interface_cfg = {
164 .in_ep_num = RTL92C_USB_BULK_IN_NUM,
165 .rx_urb_num = RTL92C_NUM_RX_URBS,
166 .rx_max_size = RTL92C_SIZE_MAX_RX_BUFFER,
167 .usb_rx_hdl = rtl8192cu_rx_hdl,
168 .usb_rx_segregate_hdl = NULL, /* rtl8192c_rx_segregate_hdl; */
170 .usb_tx_cleanup = rtl8192c_tx_cleanup,
171 .usb_tx_post_hdl = rtl8192c_tx_post_hdl,
172 .usb_tx_aggregate_hdl = rtl8192c_tx_aggregate_hdl,
173 /* endpoint mapping */
174 .usb_endpoint_mapping = rtl8192cu_endpoint_mapping,
175 .usb_mq_to_hwq = rtl8192cu_mq_to_hwq,
178 static struct rtl_hal_cfg rtl92cu_hal_cfg = {
179 .name = "rtl92c_usb",
180 .fw_name = "rtlwifi/rtl8192cufw.bin",
181 .ops = &rtl8192cu_hal_ops,
182 .mod_params = &rtl92cu_mod_params,
183 .usb_interface_cfg = &rtl92cu_interface_cfg,
185 .maps[SYS_ISO_CTRL] = REG_SYS_ISO_CTRL,
186 .maps[SYS_FUNC_EN] = REG_SYS_FUNC_EN,
187 .maps[SYS_CLK] = REG_SYS_CLKR,
188 .maps[MAC_RCR_AM] = AM,
189 .maps[MAC_RCR_AB] = AB,
190 .maps[MAC_RCR_ACRC32] = ACRC32,
191 .maps[MAC_RCR_ACF] = ACF,
192 .maps[MAC_RCR_AAP] = AAP,
194 .maps[EFUSE_TEST] = REG_EFUSE_TEST,
195 .maps[EFUSE_CTRL] = REG_EFUSE_CTRL,
196 .maps[EFUSE_CLK] = 0,
197 .maps[EFUSE_CLK_CTRL] = REG_EFUSE_CTRL,
198 .maps[EFUSE_PWC_EV12V] = PWC_EV12V,
199 .maps[EFUSE_FEN_ELDR] = FEN_ELDR,
200 .maps[EFUSE_LOADER_CLK_EN] = LOADER_CLK_EN,
201 .maps[EFUSE_ANA8M] = EFUSE_ANA8M,
202 .maps[EFUSE_HWSET_MAX_SIZE] = HWSET_MAX_SIZE,
203 .maps[EFUSE_MAX_SECTION_MAP] = EFUSE_MAX_SECTION,
204 .maps[EFUSE_REAL_CONTENT_SIZE] = EFUSE_REAL_CONTENT_LEN,
206 .maps[RWCAM] = REG_CAMCMD,
207 .maps[WCAMI] = REG_CAMWRITE,
208 .maps[RCAMO] = REG_CAMREAD,
209 .maps[CAMDBG] = REG_CAMDBG,
210 .maps[SECR] = REG_SECCFG,
211 .maps[SEC_CAM_NONE] = CAM_NONE,
212 .maps[SEC_CAM_WEP40] = CAM_WEP40,
213 .maps[SEC_CAM_TKIP] = CAM_TKIP,
214 .maps[SEC_CAM_AES] = CAM_AES,
215 .maps[SEC_CAM_WEP104] = CAM_WEP104,
217 .maps[RTL_IMR_BCNDMAINT6] = IMR_BCNDMAINT6,
218 .maps[RTL_IMR_BCNDMAINT5] = IMR_BCNDMAINT5,
219 .maps[RTL_IMR_BCNDMAINT4] = IMR_BCNDMAINT4,
220 .maps[RTL_IMR_BCNDMAINT3] = IMR_BCNDMAINT3,
221 .maps[RTL_IMR_BCNDMAINT2] = IMR_BCNDMAINT2,
222 .maps[RTL_IMR_BCNDMAINT1] = IMR_BCNDMAINT1,
223 .maps[RTL_IMR_BCNDOK8] = IMR_BCNDOK8,
224 .maps[RTL_IMR_BCNDOK7] = IMR_BCNDOK7,
225 .maps[RTL_IMR_BCNDOK6] = IMR_BCNDOK6,
226 .maps[RTL_IMR_BCNDOK5] = IMR_BCNDOK5,
227 .maps[RTL_IMR_BCNDOK4] = IMR_BCNDOK4,
228 .maps[RTL_IMR_BCNDOK3] = IMR_BCNDOK3,
229 .maps[RTL_IMR_BCNDOK2] = IMR_BCNDOK2,
230 .maps[RTL_IMR_BCNDOK1] = IMR_BCNDOK1,
231 .maps[RTL_IMR_TIMEOUT2] = IMR_TIMEOUT2,
232 .maps[RTL_IMR_TIMEOUT1] = IMR_TIMEOUT1,
234 .maps[RTL_IMR_TXFOVW] = IMR_TXFOVW,
235 .maps[RTL_IMR_PSTIMEOUT] = IMR_PSTIMEOUT,
236 .maps[RTL_IMR_BcnInt] = IMR_BCNINT,
237 .maps[RTL_IMR_RXFOVW] = IMR_RXFOVW,
238 .maps[RTL_IMR_RDU] = IMR_RDU,
239 .maps[RTL_IMR_ATIMEND] = IMR_ATIMEND,
240 .maps[RTL_IMR_BDOK] = IMR_BDOK,
241 .maps[RTL_IMR_MGNTDOK] = IMR_MGNTDOK,
242 .maps[RTL_IMR_TBDER] = IMR_TBDER,
243 .maps[RTL_IMR_HIGHDOK] = IMR_HIGHDOK,
244 .maps[RTL_IMR_TBDOK] = IMR_TBDOK,
245 .maps[RTL_IMR_BKDOK] = IMR_BKDOK,
246 .maps[RTL_IMR_BEDOK] = IMR_BEDOK,
247 .maps[RTL_IMR_VIDOK] = IMR_VIDOK,
248 .maps[RTL_IMR_VODOK] = IMR_VODOK,
249 .maps[RTL_IMR_ROK] = IMR_ROK,
250 .maps[RTL_IBSS_INT_MASKS] = (IMR_BCNINT | IMR_TBDOK | IMR_TBDER),
252 .maps[RTL_RC_CCK_RATE1M] = DESC92_RATE1M,
253 .maps[RTL_RC_CCK_RATE2M] = DESC92_RATE2M,
254 .maps[RTL_RC_CCK_RATE5_5M] = DESC92_RATE5_5M,
255 .maps[RTL_RC_CCK_RATE11M] = DESC92_RATE11M,
256 .maps[RTL_RC_OFDM_RATE6M] = DESC92_RATE6M,
257 .maps[RTL_RC_OFDM_RATE9M] = DESC92_RATE9M,
258 .maps[RTL_RC_OFDM_RATE12M] = DESC92_RATE12M,
259 .maps[RTL_RC_OFDM_RATE18M] = DESC92_RATE18M,
260 .maps[RTL_RC_OFDM_RATE24M] = DESC92_RATE24M,
261 .maps[RTL_RC_OFDM_RATE36M] = DESC92_RATE36M,
262 .maps[RTL_RC_OFDM_RATE48M] = DESC92_RATE48M,
263 .maps[RTL_RC_OFDM_RATE54M] = DESC92_RATE54M,
264 .maps[RTL_RC_HT_RATEMCS7] = DESC92_RATEMCS7,
265 .maps[RTL_RC_HT_RATEMCS15] = DESC92_RATEMCS15,
268 #define USB_VENDER_ID_REALTEK 0x0bda
270 /* 2010-10-19 DID_USB_V3.4 */
271 static struct usb_device_id rtl8192c_usb_ids[] = {
273 /*=== Realtek demoboard ===*/
275 {RTL_USB_DEVICE(USB_VENDER_ID_REALTEK, 0x8191, rtl92cu_hal_cfg)},
277 /****** 8188CU ********/
279 {RTL_USB_DEVICE(USB_VENDER_ID_REALTEK, 0x018a, rtl92cu_hal_cfg)},
280 /* 8188CE-VAU USB minCard */
281 {RTL_USB_DEVICE(USB_VENDER_ID_REALTEK, 0x8170, rtl92cu_hal_cfg)},
282 /* 8188cu 1*1 dongle */
283 {RTL_USB_DEVICE(USB_VENDER_ID_REALTEK, 0x8176, rtl92cu_hal_cfg)},
284 /* 8188cu 1*1 dongle, (b/g mode only) */
285 {RTL_USB_DEVICE(USB_VENDER_ID_REALTEK, 0x8177, rtl92cu_hal_cfg)},
286 /* 8188cu Slim Solo */
287 {RTL_USB_DEVICE(USB_VENDER_ID_REALTEK, 0x817a, rtl92cu_hal_cfg)},
288 /* 8188cu Slim Combo */
289 {RTL_USB_DEVICE(USB_VENDER_ID_REALTEK, 0x817b, rtl92cu_hal_cfg)},
290 /* 8188RU High-power USB Dongle */
291 {RTL_USB_DEVICE(USB_VENDER_ID_REALTEK, 0x817d, rtl92cu_hal_cfg)},
292 /* 8188CE-VAU USB minCard (b/g mode only) */
293 {RTL_USB_DEVICE(USB_VENDER_ID_REALTEK, 0x817e, rtl92cu_hal_cfg)},
294 /* 8188RU in Alfa AWUS036NHR */
295 {RTL_USB_DEVICE(USB_VENDER_ID_REALTEK, 0x817f, rtl92cu_hal_cfg)},
297 {RTL_USB_DEVICE(USB_VENDER_ID_REALTEK, 0x818a, rtl92cu_hal_cfg)},
298 /* 8188 Combo for BC4 */
299 {RTL_USB_DEVICE(USB_VENDER_ID_REALTEK, 0x8754, rtl92cu_hal_cfg)},
301 /****** 8192CU ********/
303 {RTL_USB_DEVICE(USB_VENDER_ID_REALTEK, 0x8178, rtl92cu_hal_cfg)},
304 /* 8192CE-VAU USB minCard */
305 {RTL_USB_DEVICE(USB_VENDER_ID_REALTEK, 0x817c, rtl92cu_hal_cfg)},
307 /*=== Customer ID ===*/
308 /****** 8188CU ********/
309 {RTL_USB_DEVICE(0x050d, 0x1102, rtl92cu_hal_cfg)}, /*Belkin - Edimax*/
310 {RTL_USB_DEVICE(0x06f8, 0xe033, rtl92cu_hal_cfg)}, /*Hercules - Edimax*/
311 {RTL_USB_DEVICE(0x07b8, 0x8188, rtl92cu_hal_cfg)}, /*Abocom - Abocom*/
312 {RTL_USB_DEVICE(0x07b8, 0x8189, rtl92cu_hal_cfg)}, /*Funai - Abocom*/
313 {RTL_USB_DEVICE(0x0846, 0x9041, rtl92cu_hal_cfg)}, /*NetGear WNA1000M*/
314 {RTL_USB_DEVICE(0x0df6, 0x0052, rtl92cu_hal_cfg)}, /*Sitecom - Edimax*/
315 {RTL_USB_DEVICE(0x0df6, 0x005c, rtl92cu_hal_cfg)}, /*Sitecom - Edimax*/
316 {RTL_USB_DEVICE(0x0eb0, 0x9071, rtl92cu_hal_cfg)}, /*NO Brand - Etop*/
317 /* HP - Lite-On ,8188CUS Slim Combo */
318 {RTL_USB_DEVICE(0x103c, 0x1629, rtl92cu_hal_cfg)},
319 {RTL_USB_DEVICE(0x13d3, 0x3357, rtl92cu_hal_cfg)}, /* AzureWave */
320 {RTL_USB_DEVICE(0x2001, 0x3308, rtl92cu_hal_cfg)}, /*D-Link - Alpha*/
321 {RTL_USB_DEVICE(0x2019, 0x4902, rtl92cu_hal_cfg)}, /*Planex - Etop*/
322 {RTL_USB_DEVICE(0x2019, 0xab2a, rtl92cu_hal_cfg)}, /*Planex - Abocom*/
323 /*SW-WF02-AD15 -Abocom*/
324 {RTL_USB_DEVICE(0x2019, 0xab2e, rtl92cu_hal_cfg)},
325 {RTL_USB_DEVICE(0x2019, 0xed17, rtl92cu_hal_cfg)}, /*PCI - Edimax*/
326 {RTL_USB_DEVICE(0x20f4, 0x648b, rtl92cu_hal_cfg)}, /*TRENDnet - Cameo*/
327 {RTL_USB_DEVICE(0x7392, 0x7811, rtl92cu_hal_cfg)}, /*Edimax - Edimax*/
328 {RTL_USB_DEVICE(0x13d3, 0x3358, rtl92cu_hal_cfg)}, /*Azwave 8188CE-VAU*/
329 /* Russian customer -Azwave (8188CE-VAU b/g mode only) */
330 {RTL_USB_DEVICE(0x13d3, 0x3359, rtl92cu_hal_cfg)},
331 {RTL_USB_DEVICE(0x4855, 0x0090, rtl92cu_hal_cfg)}, /* Feixun */
332 {RTL_USB_DEVICE(0x4855, 0x0091, rtl92cu_hal_cfg)}, /* NetweeN-Feixun */
333 {RTL_USB_DEVICE(0x9846, 0x9041, rtl92cu_hal_cfg)}, /* Netgear Cameo */
335 /****** 8188 RU ********/
337 {RTL_USB_DEVICE(USB_VENDER_ID_REALTEK, 0x317f, rtl92cu_hal_cfg)},
339 /****** 8188CUS Slim Solo********/
340 {RTL_USB_DEVICE(0x04f2, 0xaff7, rtl92cu_hal_cfg)}, /*Xavi*/
341 {RTL_USB_DEVICE(0x04f2, 0xaff9, rtl92cu_hal_cfg)}, /*Xavi*/
342 {RTL_USB_DEVICE(0x04f2, 0xaffa, rtl92cu_hal_cfg)}, /*Xavi*/
344 /****** 8188CUS Slim Combo ********/
345 {RTL_USB_DEVICE(0x04f2, 0xaff8, rtl92cu_hal_cfg)}, /*Xavi*/
346 {RTL_USB_DEVICE(0x04f2, 0xaffb, rtl92cu_hal_cfg)}, /*Xavi*/
347 {RTL_USB_DEVICE(0x04f2, 0xaffc, rtl92cu_hal_cfg)}, /*Xavi*/
348 {RTL_USB_DEVICE(0x2019, 0x1201, rtl92cu_hal_cfg)}, /*Planex-Vencer*/
350 /****** 8192CU ********/
351 {RTL_USB_DEVICE(0x050d, 0x2102, rtl92cu_hal_cfg)}, /*Belcom-Sercomm*/
352 {RTL_USB_DEVICE(0x050d, 0x2103, rtl92cu_hal_cfg)}, /*Belcom-Edimax*/
353 {RTL_USB_DEVICE(0x0586, 0x341f, rtl92cu_hal_cfg)}, /*Zyxel -Abocom*/
354 {RTL_USB_DEVICE(0x07aa, 0x0056, rtl92cu_hal_cfg)}, /*ATKK-Gemtek*/
355 {RTL_USB_DEVICE(0x07b8, 0x8178, rtl92cu_hal_cfg)}, /*Funai -Abocom*/
356 {RTL_USB_DEVICE(0x0846, 0x9021, rtl92cu_hal_cfg)}, /*Netgear-Sercomm*/
357 {RTL_USB_DEVICE(0x0b05, 0x17ab, rtl92cu_hal_cfg)}, /*ASUS-Edimax*/
358 {RTL_USB_DEVICE(0x0df6, 0x0061, rtl92cu_hal_cfg)}, /*Sitecom-Edimax*/
359 {RTL_USB_DEVICE(0x0e66, 0x0019, rtl92cu_hal_cfg)}, /*Hawking-Edimax*/
360 {RTL_USB_DEVICE(0x2001, 0x3307, rtl92cu_hal_cfg)}, /*D-Link-Cameo*/
361 {RTL_USB_DEVICE(0x2001, 0x3309, rtl92cu_hal_cfg)}, /*D-Link-Alpha*/
362 {RTL_USB_DEVICE(0x2001, 0x330a, rtl92cu_hal_cfg)}, /*D-Link-Alpha*/
363 {RTL_USB_DEVICE(0x2019, 0xab2b, rtl92cu_hal_cfg)}, /*Planex -Abocom*/
364 {RTL_USB_DEVICE(0x20f4, 0x624d, rtl92cu_hal_cfg)}, /*TRENDNet*/
365 {RTL_USB_DEVICE(0x7392, 0x7822, rtl92cu_hal_cfg)}, /*Edimax -Edimax*/
369 MODULE_DEVICE_TABLE(usb, rtl8192c_usb_ids);
371 static struct usb_driver rtl8192cu_driver = {
373 .probe = rtl_usb_probe,
374 .disconnect = rtl_usb_disconnect,
375 .id_table = rtl8192c_usb_ids,
378 /* .suspend = rtl_usb_suspend, */
379 /* .resume = rtl_usb_resume, */
380 /* .reset_resume = rtl8192c_resume, */
381 #endif /* CONFIG_PM */
382 #ifdef CONFIG_AUTOSUSPEND
383 .supports_autosuspend = 1,
387 static int __init rtl8192cu_init(void)
389 return usb_register(&rtl8192cu_driver);
392 static void __exit rtl8192cu_exit(void)
394 usb_deregister(&rtl8192cu_driver);
397 module_init(rtl8192cu_init);
398 module_exit(rtl8192cu_exit);