blob: 8152fec317537937e773593c039475df1f67c716 [file] [log] [blame]
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001/*
Gertjan van Wingerde9c9a0d12009-11-08 16:39:55 +01002 Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
Ivo van Doorn95ea3622007-09-25 17:57:13 -07003 <http://rt2x00.serialmonkey.com>
4
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the
17 Free Software Foundation, Inc.,
18 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19 */
20
21/*
22 Module: rt2500usb
23 Abstract: rt2500usb device specific routines.
24 Supported chipsets: RT2570.
25 */
26
Ivo van Doorn95ea3622007-09-25 17:57:13 -070027#include <linux/delay.h>
28#include <linux/etherdevice.h>
29#include <linux/init.h>
30#include <linux/kernel.h>
31#include <linux/module.h>
Tejun Heo5a0e3ad2010-03-24 17:04:11 +090032#include <linux/slab.h>
Ivo van Doorn95ea3622007-09-25 17:57:13 -070033#include <linux/usb.h>
34
35#include "rt2x00.h"
36#include "rt2x00usb.h"
37#include "rt2500usb.h"
38
39/*
Ivo van Doorndddfb472008-12-02 18:20:42 +010040 * Allow hardware encryption to be disabled.
41 */
Mark Einoncf553472010-11-06 15:44:33 +010042static int modparam_nohwcrypt;
Ivo van Doorndddfb472008-12-02 18:20:42 +010043module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
44MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
45
46/*
Ivo van Doorn95ea3622007-09-25 17:57:13 -070047 * Register access.
48 * All access to the CSR registers will go through the methods
49 * rt2500usb_register_read and rt2500usb_register_write.
50 * BBP and RF register require indirect register access,
51 * and use the CSR registers BBPCSR and RFCSR to achieve this.
52 * These indirect registers work with busy bits,
53 * and we will try maximal REGISTER_BUSY_COUNT times to access
54 * the register while taking a REGISTER_BUSY_DELAY us delay
55 * between each attampt. When the busy bit is still set at that time,
56 * the access attempt is considered to have failed,
57 * and we will print an error.
Ivo van Doorn8ff48a82008-11-09 23:40:46 +010058 * If the csr_mutex is already held then the _lock variants must
Adam Baker3d823462007-10-27 13:43:29 +020059 * be used instead.
Ivo van Doorn95ea3622007-09-25 17:57:13 -070060 */
Adam Baker0e14f6d2007-10-27 13:41:25 +020061static inline void rt2500usb_register_read(struct rt2x00_dev *rt2x00dev,
Ivo van Doorn95ea3622007-09-25 17:57:13 -070062 const unsigned int offset,
63 u16 *value)
64{
65 __le16 reg;
66 rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_READ,
67 USB_VENDOR_REQUEST_IN, offset,
Ivo van Doornc9c3b1a2008-11-10 19:41:40 +010068 &reg, sizeof(reg), REGISTER_TIMEOUT);
Ivo van Doorn95ea3622007-09-25 17:57:13 -070069 *value = le16_to_cpu(reg);
70}
71
Adam Baker3d823462007-10-27 13:43:29 +020072static inline void rt2500usb_register_read_lock(struct rt2x00_dev *rt2x00dev,
73 const unsigned int offset,
74 u16 *value)
75{
76 __le16 reg;
77 rt2x00usb_vendor_req_buff_lock(rt2x00dev, USB_MULTI_READ,
78 USB_VENDOR_REQUEST_IN, offset,
Ivo van Doornc9c3b1a2008-11-10 19:41:40 +010079 &reg, sizeof(reg), REGISTER_TIMEOUT);
Adam Baker3d823462007-10-27 13:43:29 +020080 *value = le16_to_cpu(reg);
81}
82
Adam Baker0e14f6d2007-10-27 13:41:25 +020083static inline void rt2500usb_register_multiread(struct rt2x00_dev *rt2x00dev,
Ivo van Doorn95ea3622007-09-25 17:57:13 -070084 const unsigned int offset,
85 void *value, const u16 length)
86{
Ivo van Doorn95ea3622007-09-25 17:57:13 -070087 rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_READ,
88 USB_VENDOR_REQUEST_IN, offset,
Ivo van Doornbd394a72008-04-21 19:01:58 +020089 value, length,
90 REGISTER_TIMEOUT16(length));
Ivo van Doorn95ea3622007-09-25 17:57:13 -070091}
92
Adam Baker0e14f6d2007-10-27 13:41:25 +020093static inline void rt2500usb_register_write(struct rt2x00_dev *rt2x00dev,
Ivo van Doorn95ea3622007-09-25 17:57:13 -070094 const unsigned int offset,
95 u16 value)
96{
97 __le16 reg = cpu_to_le16(value);
98 rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_WRITE,
99 USB_VENDOR_REQUEST_OUT, offset,
Ivo van Doornc9c3b1a2008-11-10 19:41:40 +0100100 &reg, sizeof(reg), REGISTER_TIMEOUT);
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700101}
102
Adam Baker3d823462007-10-27 13:43:29 +0200103static inline void rt2500usb_register_write_lock(struct rt2x00_dev *rt2x00dev,
104 const unsigned int offset,
105 u16 value)
106{
107 __le16 reg = cpu_to_le16(value);
108 rt2x00usb_vendor_req_buff_lock(rt2x00dev, USB_MULTI_WRITE,
109 USB_VENDOR_REQUEST_OUT, offset,
Ivo van Doornc9c3b1a2008-11-10 19:41:40 +0100110 &reg, sizeof(reg), REGISTER_TIMEOUT);
Adam Baker3d823462007-10-27 13:43:29 +0200111}
112
Adam Baker0e14f6d2007-10-27 13:41:25 +0200113static inline void rt2500usb_register_multiwrite(struct rt2x00_dev *rt2x00dev,
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700114 const unsigned int offset,
115 void *value, const u16 length)
116{
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700117 rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_WRITE,
118 USB_VENDOR_REQUEST_OUT, offset,
Ivo van Doornbd394a72008-04-21 19:01:58 +0200119 value, length,
120 REGISTER_TIMEOUT16(length));
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700121}
122
Ivo van Doornc9c3b1a2008-11-10 19:41:40 +0100123static int rt2500usb_regbusy_read(struct rt2x00_dev *rt2x00dev,
124 const unsigned int offset,
125 struct rt2x00_field16 field,
126 u16 *reg)
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700127{
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700128 unsigned int i;
129
130 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
Ivo van Doornc9c3b1a2008-11-10 19:41:40 +0100131 rt2500usb_register_read_lock(rt2x00dev, offset, reg);
132 if (!rt2x00_get_field16(*reg, field))
133 return 1;
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700134 udelay(REGISTER_BUSY_DELAY);
135 }
136
Ivo van Doornc9c3b1a2008-11-10 19:41:40 +0100137 ERROR(rt2x00dev, "Indirect register access failed: "
138 "offset=0x%.08x, value=0x%.08x\n", offset, *reg);
139 *reg = ~0;
140
141 return 0;
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700142}
143
Ivo van Doornc9c3b1a2008-11-10 19:41:40 +0100144#define WAIT_FOR_BBP(__dev, __reg) \
145 rt2500usb_regbusy_read((__dev), PHY_CSR8, PHY_CSR8_BUSY, (__reg))
146#define WAIT_FOR_RF(__dev, __reg) \
147 rt2500usb_regbusy_read((__dev), PHY_CSR10, PHY_CSR10_RF_BUSY, (__reg))
148
Adam Baker0e14f6d2007-10-27 13:41:25 +0200149static void rt2500usb_bbp_write(struct rt2x00_dev *rt2x00dev,
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700150 const unsigned int word, const u8 value)
151{
152 u16 reg;
153
Ivo van Doorn8ff48a82008-11-09 23:40:46 +0100154 mutex_lock(&rt2x00dev->csr_mutex);
Adam Baker3d823462007-10-27 13:43:29 +0200155
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700156 /*
Ivo van Doornc9c3b1a2008-11-10 19:41:40 +0100157 * Wait until the BBP becomes available, afterwards we
158 * can safely write the new data into the register.
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700159 */
Ivo van Doornc9c3b1a2008-11-10 19:41:40 +0100160 if (WAIT_FOR_BBP(rt2x00dev, &reg)) {
161 reg = 0;
162 rt2x00_set_field16(&reg, PHY_CSR7_DATA, value);
163 rt2x00_set_field16(&reg, PHY_CSR7_REG_ID, word);
164 rt2x00_set_field16(&reg, PHY_CSR7_READ_CONTROL, 0);
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700165
Ivo van Doornc9c3b1a2008-11-10 19:41:40 +0100166 rt2500usb_register_write_lock(rt2x00dev, PHY_CSR7, reg);
167 }
Adam Baker3d823462007-10-27 13:43:29 +0200168
Ivo van Doorn8ff48a82008-11-09 23:40:46 +0100169 mutex_unlock(&rt2x00dev->csr_mutex);
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700170}
171
Adam Baker0e14f6d2007-10-27 13:41:25 +0200172static void rt2500usb_bbp_read(struct rt2x00_dev *rt2x00dev,
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700173 const unsigned int word, u8 *value)
174{
175 u16 reg;
176
Ivo van Doorn8ff48a82008-11-09 23:40:46 +0100177 mutex_lock(&rt2x00dev->csr_mutex);
Adam Baker3d823462007-10-27 13:43:29 +0200178
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700179 /*
Ivo van Doornc9c3b1a2008-11-10 19:41:40 +0100180 * Wait until the BBP becomes available, afterwards we
181 * can safely write the read request into the register.
182 * After the data has been written, we wait until hardware
183 * returns the correct value, if at any time the register
184 * doesn't become available in time, reg will be 0xffffffff
185 * which means we return 0xff to the caller.
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700186 */
Ivo van Doornc9c3b1a2008-11-10 19:41:40 +0100187 if (WAIT_FOR_BBP(rt2x00dev, &reg)) {
188 reg = 0;
189 rt2x00_set_field16(&reg, PHY_CSR7_REG_ID, word);
190 rt2x00_set_field16(&reg, PHY_CSR7_READ_CONTROL, 1);
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700191
Ivo van Doornc9c3b1a2008-11-10 19:41:40 +0100192 rt2500usb_register_write_lock(rt2x00dev, PHY_CSR7, reg);
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700193
Ivo van Doornc9c3b1a2008-11-10 19:41:40 +0100194 if (WAIT_FOR_BBP(rt2x00dev, &reg))
195 rt2500usb_register_read_lock(rt2x00dev, PHY_CSR7, &reg);
196 }
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700197
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700198 *value = rt2x00_get_field16(reg, PHY_CSR7_DATA);
Adam Baker3d823462007-10-27 13:43:29 +0200199
Ivo van Doorn8ff48a82008-11-09 23:40:46 +0100200 mutex_unlock(&rt2x00dev->csr_mutex);
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700201}
202
Adam Baker0e14f6d2007-10-27 13:41:25 +0200203static void rt2500usb_rf_write(struct rt2x00_dev *rt2x00dev,
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700204 const unsigned int word, const u32 value)
205{
206 u16 reg;
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700207
Ivo van Doorn8ff48a82008-11-09 23:40:46 +0100208 mutex_lock(&rt2x00dev->csr_mutex);
Adam Baker3d823462007-10-27 13:43:29 +0200209
Ivo van Doornc9c3b1a2008-11-10 19:41:40 +0100210 /*
211 * Wait until the RF becomes available, afterwards we
212 * can safely write the new data into the register.
213 */
214 if (WAIT_FOR_RF(rt2x00dev, &reg)) {
215 reg = 0;
216 rt2x00_set_field16(&reg, PHY_CSR9_RF_VALUE, value);
217 rt2500usb_register_write_lock(rt2x00dev, PHY_CSR9, reg);
218
219 reg = 0;
220 rt2x00_set_field16(&reg, PHY_CSR10_RF_VALUE, value >> 16);
221 rt2x00_set_field16(&reg, PHY_CSR10_RF_NUMBER_OF_BITS, 20);
222 rt2x00_set_field16(&reg, PHY_CSR10_RF_IF_SELECT, 0);
223 rt2x00_set_field16(&reg, PHY_CSR10_RF_BUSY, 1);
224
225 rt2500usb_register_write_lock(rt2x00dev, PHY_CSR10, reg);
226 rt2x00_rf_write(rt2x00dev, word, value);
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700227 }
228
Ivo van Doorn8ff48a82008-11-09 23:40:46 +0100229 mutex_unlock(&rt2x00dev->csr_mutex);
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700230}
231
232#ifdef CONFIG_RT2X00_LIB_DEBUGFS
Ivo van Doorn743b97c2008-10-29 19:41:03 +0100233static void _rt2500usb_register_read(struct rt2x00_dev *rt2x00dev,
234 const unsigned int offset,
235 u32 *value)
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700236{
Ivo van Doorn743b97c2008-10-29 19:41:03 +0100237 rt2500usb_register_read(rt2x00dev, offset, (u16 *)value);
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700238}
239
Ivo van Doorn743b97c2008-10-29 19:41:03 +0100240static void _rt2500usb_register_write(struct rt2x00_dev *rt2x00dev,
241 const unsigned int offset,
242 u32 value)
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700243{
Ivo van Doorn743b97c2008-10-29 19:41:03 +0100244 rt2500usb_register_write(rt2x00dev, offset, value);
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700245}
246
247static const struct rt2x00debug rt2500usb_rt2x00debug = {
248 .owner = THIS_MODULE,
249 .csr = {
Ivo van Doorn743b97c2008-10-29 19:41:03 +0100250 .read = _rt2500usb_register_read,
251 .write = _rt2500usb_register_write,
252 .flags = RT2X00DEBUGFS_OFFSET,
253 .word_base = CSR_REG_BASE,
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700254 .word_size = sizeof(u16),
255 .word_count = CSR_REG_SIZE / sizeof(u16),
256 },
257 .eeprom = {
258 .read = rt2x00_eeprom_read,
259 .write = rt2x00_eeprom_write,
Ivo van Doorn743b97c2008-10-29 19:41:03 +0100260 .word_base = EEPROM_BASE,
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700261 .word_size = sizeof(u16),
262 .word_count = EEPROM_SIZE / sizeof(u16),
263 },
264 .bbp = {
265 .read = rt2500usb_bbp_read,
266 .write = rt2500usb_bbp_write,
Ivo van Doorn743b97c2008-10-29 19:41:03 +0100267 .word_base = BBP_BASE,
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700268 .word_size = sizeof(u8),
269 .word_count = BBP_SIZE / sizeof(u8),
270 },
271 .rf = {
272 .read = rt2x00_rf_read,
273 .write = rt2500usb_rf_write,
Ivo van Doorn743b97c2008-10-29 19:41:03 +0100274 .word_base = RF_BASE,
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700275 .word_size = sizeof(u32),
276 .word_count = RF_SIZE / sizeof(u32),
277 },
278};
279#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
280
Ivo van Doorn7396faf2008-12-20 10:55:57 +0100281static int rt2500usb_rfkill_poll(struct rt2x00_dev *rt2x00dev)
282{
283 u16 reg;
284
285 rt2500usb_register_read(rt2x00dev, MAC_CSR19, &reg);
286 return rt2x00_get_field32(reg, MAC_CSR19_BIT7);
287}
Ivo van Doorn7396faf2008-12-20 10:55:57 +0100288
Ivo van Doorn771fd562008-09-08 19:07:15 +0200289#ifdef CONFIG_RT2X00_LIB_LEDS
Ivo van Doorna2e1d522008-03-31 15:53:44 +0200290static void rt2500usb_brightness_set(struct led_classdev *led_cdev,
Ivo van Doorna9450b72008-02-03 15:53:40 +0100291 enum led_brightness brightness)
292{
293 struct rt2x00_led *led =
294 container_of(led_cdev, struct rt2x00_led, led_dev);
295 unsigned int enabled = brightness != LED_OFF;
Ivo van Doorna2e1d522008-03-31 15:53:44 +0200296 u16 reg;
Ivo van Doorna9450b72008-02-03 15:53:40 +0100297
Ivo van Doorna2e1d522008-03-31 15:53:44 +0200298 rt2500usb_register_read(led->rt2x00dev, MAC_CSR20, &reg);
Ivo van Doorn47b10cd2008-02-17 17:35:28 +0100299
Ivo van Doorna2e1d522008-03-31 15:53:44 +0200300 if (led->type == LED_TYPE_RADIO || led->type == LED_TYPE_ASSOC)
301 rt2x00_set_field16(&reg, MAC_CSR20_LINK, enabled);
302 else if (led->type == LED_TYPE_ACTIVITY)
303 rt2x00_set_field16(&reg, MAC_CSR20_ACTIVITY, enabled);
Ivo van Doorna9450b72008-02-03 15:53:40 +0100304
Ivo van Doorna2e1d522008-03-31 15:53:44 +0200305 rt2500usb_register_write(led->rt2x00dev, MAC_CSR20, reg);
Ivo van Doorna9450b72008-02-03 15:53:40 +0100306}
Ivo van Doorna2e1d522008-03-31 15:53:44 +0200307
308static int rt2500usb_blink_set(struct led_classdev *led_cdev,
309 unsigned long *delay_on,
310 unsigned long *delay_off)
311{
312 struct rt2x00_led *led =
313 container_of(led_cdev, struct rt2x00_led, led_dev);
314 u16 reg;
315
316 rt2500usb_register_read(led->rt2x00dev, MAC_CSR21, &reg);
317 rt2x00_set_field16(&reg, MAC_CSR21_ON_PERIOD, *delay_on);
318 rt2x00_set_field16(&reg, MAC_CSR21_OFF_PERIOD, *delay_off);
319 rt2500usb_register_write(led->rt2x00dev, MAC_CSR21, reg);
320
321 return 0;
322}
Ivo van Doorn475433b2008-06-03 20:30:01 +0200323
324static void rt2500usb_init_led(struct rt2x00_dev *rt2x00dev,
325 struct rt2x00_led *led,
326 enum led_type type)
327{
328 led->rt2x00dev = rt2x00dev;
329 led->type = type;
330 led->led_dev.brightness_set = rt2500usb_brightness_set;
331 led->led_dev.blink_set = rt2500usb_blink_set;
332 led->flags = LED_INITIALIZED;
333}
Ivo van Doorn771fd562008-09-08 19:07:15 +0200334#endif /* CONFIG_RT2X00_LIB_LEDS */
Ivo van Doorna9450b72008-02-03 15:53:40 +0100335
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700336/*
337 * Configuration handlers.
338 */
Ivo van Doorndddfb472008-12-02 18:20:42 +0100339
340/*
341 * rt2500usb does not differentiate between shared and pairwise
342 * keys, so we should use the same function for both key types.
343 */
344static int rt2500usb_config_key(struct rt2x00_dev *rt2x00dev,
345 struct rt2x00lib_crypto *crypto,
346 struct ieee80211_key_conf *key)
347{
Ivo van Doorndddfb472008-12-02 18:20:42 +0100348 u32 mask;
349 u16 reg;
Ondrej Zary75f64dd2010-06-23 12:57:15 +0200350 enum cipher curr_cipher;
Ivo van Doorndddfb472008-12-02 18:20:42 +0100351
352 if (crypto->cmd == SET_KEY) {
353 /*
Stanislaw Gruszka98ec6212010-07-27 10:48:24 -0400354 * Disallow to set WEP key other than with index 0,
355 * it is known that not work at least on some hardware.
356 * SW crypto will be used in that case.
357 */
Johannes Berg97359d12010-08-10 09:46:38 +0200358 if ((key->cipher == WLAN_CIPHER_SUITE_WEP40 ||
359 key->cipher == WLAN_CIPHER_SUITE_WEP104) &&
360 key->keyidx != 0)
Stanislaw Gruszka98ec6212010-07-27 10:48:24 -0400361 return -EOPNOTSUPP;
362
363 /*
Ivo van Doorndddfb472008-12-02 18:20:42 +0100364 * Pairwise key will always be entry 0, but this
365 * could collide with a shared key on the same
366 * position...
367 */
368 mask = TXRX_CSR0_KEY_ID.bit_mask;
369
370 rt2500usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
Ondrej Zary75f64dd2010-06-23 12:57:15 +0200371 curr_cipher = rt2x00_get_field16(reg, TXRX_CSR0_ALGORITHM);
Ivo van Doorndddfb472008-12-02 18:20:42 +0100372 reg &= mask;
373
374 if (reg && reg == mask)
375 return -ENOSPC;
376
377 reg = rt2x00_get_field16(reg, TXRX_CSR0_KEY_ID);
378
379 key->hw_key_idx += reg ? ffz(reg) : 0;
Ondrej Zary75f64dd2010-06-23 12:57:15 +0200380 /*
381 * Hardware requires that all keys use the same cipher
382 * (e.g. TKIP-only, AES-only, but not TKIP+AES).
383 * If this is not the first key, compare the cipher with the
384 * first one and fall back to SW crypto if not the same.
385 */
386 if (key->hw_key_idx > 0 && crypto->cipher != curr_cipher)
387 return -EOPNOTSUPP;
Ivo van Doorndddfb472008-12-02 18:20:42 +0100388
Stanislaw Gruszka1279f5e2010-07-27 10:48:10 -0400389 rt2500usb_register_multiwrite(rt2x00dev, KEY_ENTRY(key->hw_key_idx),
Gertjan van Wingerde96b61ba2010-06-03 10:51:51 +0200390 crypto->key, sizeof(crypto->key));
Ivo van Doorndddfb472008-12-02 18:20:42 +0100391
392 /*
393 * The driver does not support the IV/EIV generation
Ivo van Doornf3d340c2008-12-21 23:19:17 +0100394 * in hardware. However it demands the data to be provided
Daniel Mack3ad2f3f2010-02-03 08:01:28 +0800395 * both separately as well as inside the frame.
Ivo van Doornf3d340c2008-12-21 23:19:17 +0100396 * We already provided the CONFIG_CRYPTO_COPY_IV to rt2x00lib
397 * to ensure rt2x00lib will not strip the data from the
398 * frame after the copy, now we must tell mac80211
Ivo van Doorndddfb472008-12-02 18:20:42 +0100399 * to generate the IV/EIV data.
400 */
401 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
402 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
403 }
404
405 /*
406 * TXRX_CSR0_KEY_ID contains only single-bit fields to indicate
407 * a particular key is valid.
408 */
409 rt2500usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
410 rt2x00_set_field16(&reg, TXRX_CSR0_ALGORITHM, crypto->cipher);
411 rt2x00_set_field16(&reg, TXRX_CSR0_IV_OFFSET, IEEE80211_HEADER);
412
413 mask = rt2x00_get_field16(reg, TXRX_CSR0_KEY_ID);
414 if (crypto->cmd == SET_KEY)
415 mask |= 1 << key->hw_key_idx;
416 else if (crypto->cmd == DISABLE_KEY)
417 mask &= ~(1 << key->hw_key_idx);
418 rt2x00_set_field16(&reg, TXRX_CSR0_KEY_ID, mask);
419 rt2500usb_register_write(rt2x00dev, TXRX_CSR0, reg);
420
421 return 0;
422}
423
Ivo van Doorn3a643d22008-03-25 14:13:18 +0100424static void rt2500usb_config_filter(struct rt2x00_dev *rt2x00dev,
425 const unsigned int filter_flags)
426{
427 u16 reg;
428
429 /*
430 * Start configuration steps.
431 * Note that the version error will always be dropped
432 * and broadcast frames will always be accepted since
433 * there is no filter for it at this time.
434 */
435 rt2500usb_register_read(rt2x00dev, TXRX_CSR2, &reg);
436 rt2x00_set_field16(&reg, TXRX_CSR2_DROP_CRC,
437 !(filter_flags & FIF_FCSFAIL));
438 rt2x00_set_field16(&reg, TXRX_CSR2_DROP_PHYSICAL,
439 !(filter_flags & FIF_PLCPFAIL));
440 rt2x00_set_field16(&reg, TXRX_CSR2_DROP_CONTROL,
441 !(filter_flags & FIF_CONTROL));
442 rt2x00_set_field16(&reg, TXRX_CSR2_DROP_NOT_TO_ME,
443 !(filter_flags & FIF_PROMISC_IN_BSS));
444 rt2x00_set_field16(&reg, TXRX_CSR2_DROP_TODS,
Ivo van Doorne0b005f2008-03-31 15:24:53 +0200445 !(filter_flags & FIF_PROMISC_IN_BSS) &&
446 !rt2x00dev->intf_ap_count);
Ivo van Doorn3a643d22008-03-25 14:13:18 +0100447 rt2x00_set_field16(&reg, TXRX_CSR2_DROP_VERSION_ERROR, 1);
448 rt2x00_set_field16(&reg, TXRX_CSR2_DROP_MULTICAST,
449 !(filter_flags & FIF_ALLMULTI));
450 rt2x00_set_field16(&reg, TXRX_CSR2_DROP_BROADCAST, 0);
451 rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg);
452}
453
Ivo van Doorn6bb40dd2008-02-03 15:49:59 +0100454static void rt2500usb_config_intf(struct rt2x00_dev *rt2x00dev,
455 struct rt2x00_intf *intf,
456 struct rt2x00intf_conf *conf,
457 const unsigned int flags)
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700458{
Ivo van Doorn6bb40dd2008-02-03 15:49:59 +0100459 unsigned int bcn_preload;
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700460 u16 reg;
461
Ivo van Doorn6bb40dd2008-02-03 15:49:59 +0100462 if (flags & CONFIG_UPDATE_TYPE) {
Ivo van Doorn6bb40dd2008-02-03 15:49:59 +0100463 /*
464 * Enable beacon config
465 */
Ivo van Doornbad13632008-11-09 20:47:00 +0100466 bcn_preload = PREAMBLE + GET_DURATION(IEEE80211_HEADER, 20);
Ivo van Doorn6bb40dd2008-02-03 15:49:59 +0100467 rt2500usb_register_read(rt2x00dev, TXRX_CSR20, &reg);
468 rt2x00_set_field16(&reg, TXRX_CSR20_OFFSET, bcn_preload >> 6);
469 rt2x00_set_field16(&reg, TXRX_CSR20_BCN_EXPECT_WINDOW,
Johannes Berg05c914f2008-09-11 00:01:58 +0200470 2 * (conf->type != NL80211_IFTYPE_STATION));
Ivo van Doorn6bb40dd2008-02-03 15:49:59 +0100471 rt2500usb_register_write(rt2x00dev, TXRX_CSR20, reg);
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700472
Ivo van Doorn6bb40dd2008-02-03 15:49:59 +0100473 /*
474 * Enable synchronisation.
475 */
476 rt2500usb_register_read(rt2x00dev, TXRX_CSR18, &reg);
477 rt2x00_set_field16(&reg, TXRX_CSR18_OFFSET, 0);
478 rt2500usb_register_write(rt2x00dev, TXRX_CSR18, reg);
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700479
Ivo van Doorn6bb40dd2008-02-03 15:49:59 +0100480 rt2500usb_register_read(rt2x00dev, TXRX_CSR19, &reg);
Ivo van Doornfd3c91c2008-03-09 22:47:43 +0100481 rt2x00_set_field16(&reg, TXRX_CSR19_TSF_COUNT, 1);
Ivo van Doorn6bb40dd2008-02-03 15:49:59 +0100482 rt2x00_set_field16(&reg, TXRX_CSR19_TSF_SYNC, conf->sync);
Ivo van Doornfd3c91c2008-03-09 22:47:43 +0100483 rt2x00_set_field16(&reg, TXRX_CSR19_TBCN, 1);
Ivo van Doorn6bb40dd2008-02-03 15:49:59 +0100484 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
Ivo van Doorn5c58ee52007-10-06 13:34:52 +0200485 }
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700486
Ivo van Doorn6bb40dd2008-02-03 15:49:59 +0100487 if (flags & CONFIG_UPDATE_MAC)
488 rt2500usb_register_multiwrite(rt2x00dev, MAC_CSR2, conf->mac,
489 (3 * sizeof(__le16)));
490
491 if (flags & CONFIG_UPDATE_BSSID)
492 rt2500usb_register_multiwrite(rt2x00dev, MAC_CSR5, conf->bssid,
493 (3 * sizeof(__le16)));
494}
495
Ivo van Doorn3a643d22008-03-25 14:13:18 +0100496static void rt2500usb_config_erp(struct rt2x00_dev *rt2x00dev,
Helmut Schaa02044642010-09-08 20:56:32 +0200497 struct rt2x00lib_erp *erp,
498 u32 changed)
Ivo van Doorn6bb40dd2008-02-03 15:49:59 +0100499{
500 u16 reg;
501
Helmut Schaa02044642010-09-08 20:56:32 +0200502 if (changed & BSS_CHANGED_ERP_PREAMBLE) {
503 rt2500usb_register_read(rt2x00dev, TXRX_CSR10, &reg);
504 rt2x00_set_field16(&reg, TXRX_CSR10_AUTORESPOND_PREAMBLE,
505 !!erp->short_preamble);
506 rt2500usb_register_write(rt2x00dev, TXRX_CSR10, reg);
507 }
Ivo van Doorne4ea1c42008-10-29 17:17:57 +0100508
Helmut Schaa02044642010-09-08 20:56:32 +0200509 if (changed & BSS_CHANGED_BASIC_RATES)
510 rt2500usb_register_write(rt2x00dev, TXRX_CSR11,
511 erp->basic_rates);
Ivo van Doorne4ea1c42008-10-29 17:17:57 +0100512
Helmut Schaa02044642010-09-08 20:56:32 +0200513 if (changed & BSS_CHANGED_BEACON_INT) {
514 rt2500usb_register_read(rt2x00dev, TXRX_CSR18, &reg);
515 rt2x00_set_field16(&reg, TXRX_CSR18_INTERVAL,
516 erp->beacon_int * 4);
517 rt2500usb_register_write(rt2x00dev, TXRX_CSR18, reg);
518 }
Ivo van Doorn8a566af2009-05-21 19:16:46 +0200519
Helmut Schaa02044642010-09-08 20:56:32 +0200520 if (changed & BSS_CHANGED_ERP_SLOT) {
521 rt2500usb_register_write(rt2x00dev, MAC_CSR10, erp->slot_time);
522 rt2500usb_register_write(rt2x00dev, MAC_CSR11, erp->sifs);
523 rt2500usb_register_write(rt2x00dev, MAC_CSR12, erp->eifs);
524 }
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700525}
526
Ivo van Doorne4ea1c42008-10-29 17:17:57 +0100527static void rt2500usb_config_ant(struct rt2x00_dev *rt2x00dev,
528 struct antenna_setup *ant)
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700529{
530 u8 r2;
531 u8 r14;
532 u16 csr5;
533 u16 csr6;
534
Ivo van Doorna4fe07d2008-03-09 22:45:21 +0100535 /*
536 * We should never come here because rt2x00lib is supposed
537 * to catch this and send us the correct antenna explicitely.
538 */
539 BUG_ON(ant->rx == ANTENNA_SW_DIVERSITY ||
540 ant->tx == ANTENNA_SW_DIVERSITY);
541
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700542 rt2500usb_bbp_read(rt2x00dev, 2, &r2);
543 rt2500usb_bbp_read(rt2x00dev, 14, &r14);
544 rt2500usb_register_read(rt2x00dev, PHY_CSR5, &csr5);
545 rt2500usb_register_read(rt2x00dev, PHY_CSR6, &csr6);
546
547 /*
548 * Configure the TX antenna.
549 */
Ivo van Doornaddc81b2007-10-13 16:26:23 +0200550 switch (ant->tx) {
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700551 case ANTENNA_HW_DIVERSITY:
552 rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 1);
553 rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 1);
554 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM, 1);
555 break;
556 case ANTENNA_A:
557 rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 0);
558 rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 0);
559 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM, 0);
560 break;
561 case ANTENNA_B:
Ivo van Doorna4fe07d2008-03-09 22:45:21 +0100562 default:
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700563 rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 2);
564 rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 2);
565 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM, 2);
566 break;
567 }
568
569 /*
570 * Configure the RX antenna.
571 */
Ivo van Doornaddc81b2007-10-13 16:26:23 +0200572 switch (ant->rx) {
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700573 case ANTENNA_HW_DIVERSITY:
574 rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 1);
575 break;
576 case ANTENNA_A:
577 rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 0);
578 break;
579 case ANTENNA_B:
Ivo van Doorna4fe07d2008-03-09 22:45:21 +0100580 default:
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700581 rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 2);
582 break;
583 }
584
585 /*
586 * RT2525E and RT5222 need to flip TX I/Q
587 */
Gertjan van Wingerde5122d892009-12-23 00:03:25 +0100588 if (rt2x00_rf(rt2x00dev, RF2525E) || rt2x00_rf(rt2x00dev, RF5222)) {
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700589 rt2x00_set_field8(&r2, BBP_R2_TX_IQ_FLIP, 1);
590 rt2x00_set_field16(&csr5, PHY_CSR5_CCK_FLIP, 1);
591 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM_FLIP, 1);
592
593 /*
594 * RT2525E does not need RX I/Q Flip.
595 */
Gertjan van Wingerde5122d892009-12-23 00:03:25 +0100596 if (rt2x00_rf(rt2x00dev, RF2525E))
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700597 rt2x00_set_field8(&r14, BBP_R14_RX_IQ_FLIP, 0);
598 } else {
599 rt2x00_set_field16(&csr5, PHY_CSR5_CCK_FLIP, 0);
600 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM_FLIP, 0);
601 }
602
603 rt2500usb_bbp_write(rt2x00dev, 2, r2);
604 rt2500usb_bbp_write(rt2x00dev, 14, r14);
605 rt2500usb_register_write(rt2x00dev, PHY_CSR5, csr5);
606 rt2500usb_register_write(rt2x00dev, PHY_CSR6, csr6);
607}
608
Ivo van Doorne4ea1c42008-10-29 17:17:57 +0100609static void rt2500usb_config_channel(struct rt2x00_dev *rt2x00dev,
610 struct rf_channel *rf, const int txpower)
611{
612 /*
613 * Set TXpower.
614 */
615 rt2x00_set_field32(&rf->rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
616
617 /*
618 * For RT2525E we should first set the channel to half band higher.
619 */
Gertjan van Wingerde5122d892009-12-23 00:03:25 +0100620 if (rt2x00_rf(rt2x00dev, RF2525E)) {
Ivo van Doorne4ea1c42008-10-29 17:17:57 +0100621 static const u32 vals[] = {
622 0x000008aa, 0x000008ae, 0x000008ae, 0x000008b2,
623 0x000008b2, 0x000008b6, 0x000008b6, 0x000008ba,
624 0x000008ba, 0x000008be, 0x000008b7, 0x00000902,
625 0x00000902, 0x00000906
626 };
627
628 rt2500usb_rf_write(rt2x00dev, 2, vals[rf->channel - 1]);
629 if (rf->rf4)
630 rt2500usb_rf_write(rt2x00dev, 4, rf->rf4);
631 }
632
633 rt2500usb_rf_write(rt2x00dev, 1, rf->rf1);
634 rt2500usb_rf_write(rt2x00dev, 2, rf->rf2);
635 rt2500usb_rf_write(rt2x00dev, 3, rf->rf3);
636 if (rf->rf4)
637 rt2500usb_rf_write(rt2x00dev, 4, rf->rf4);
638}
639
640static void rt2500usb_config_txpower(struct rt2x00_dev *rt2x00dev,
641 const int txpower)
642{
643 u32 rf3;
644
645 rt2x00_rf_read(rt2x00dev, 3, &rf3);
646 rt2x00_set_field32(&rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
647 rt2500usb_rf_write(rt2x00dev, 3, rf3);
648}
649
Ivo van Doorn7d7f19c2008-12-20 10:52:42 +0100650static void rt2500usb_config_ps(struct rt2x00_dev *rt2x00dev,
651 struct rt2x00lib_conf *libconf)
652{
653 enum dev_state state =
654 (libconf->conf->flags & IEEE80211_CONF_PS) ?
655 STATE_SLEEP : STATE_AWAKE;
656 u16 reg;
657
658 if (state == STATE_SLEEP) {
659 rt2500usb_register_read(rt2x00dev, MAC_CSR18, &reg);
660 rt2x00_set_field16(&reg, MAC_CSR18_DELAY_AFTER_BEACON,
Ivo van Doorn6b347bf2009-05-23 21:09:28 +0200661 rt2x00dev->beacon_int - 20);
Ivo van Doorn7d7f19c2008-12-20 10:52:42 +0100662 rt2x00_set_field16(&reg, MAC_CSR18_BEACONS_BEFORE_WAKEUP,
663 libconf->conf->listen_interval - 1);
664
665 /* We must first disable autowake before it can be enabled */
666 rt2x00_set_field16(&reg, MAC_CSR18_AUTO_WAKE, 0);
667 rt2500usb_register_write(rt2x00dev, MAC_CSR18, reg);
668
669 rt2x00_set_field16(&reg, MAC_CSR18_AUTO_WAKE, 1);
670 rt2500usb_register_write(rt2x00dev, MAC_CSR18, reg);
Gertjan van Wingerde57318582010-03-30 23:50:23 +0200671 } else {
672 rt2500usb_register_read(rt2x00dev, MAC_CSR18, &reg);
673 rt2x00_set_field16(&reg, MAC_CSR18_AUTO_WAKE, 0);
674 rt2500usb_register_write(rt2x00dev, MAC_CSR18, reg);
Ivo van Doorn7d7f19c2008-12-20 10:52:42 +0100675 }
676
677 rt2x00dev->ops->lib->set_device_state(rt2x00dev, state);
678}
679
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700680static void rt2500usb_config(struct rt2x00_dev *rt2x00dev,
Ivo van Doorn6bb40dd2008-02-03 15:49:59 +0100681 struct rt2x00lib_conf *libconf,
682 const unsigned int flags)
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700683{
Ivo van Doorne4ea1c42008-10-29 17:17:57 +0100684 if (flags & IEEE80211_CONF_CHANGE_CHANNEL)
Ivo van Doorn5c58ee52007-10-06 13:34:52 +0200685 rt2500usb_config_channel(rt2x00dev, &libconf->rf,
686 libconf->conf->power_level);
Ivo van Doorne4ea1c42008-10-29 17:17:57 +0100687 if ((flags & IEEE80211_CONF_CHANGE_POWER) &&
688 !(flags & IEEE80211_CONF_CHANGE_CHANNEL))
Ivo van Doorn5c58ee52007-10-06 13:34:52 +0200689 rt2500usb_config_txpower(rt2x00dev,
690 libconf->conf->power_level);
Ivo van Doorn7d7f19c2008-12-20 10:52:42 +0100691 if (flags & IEEE80211_CONF_CHANGE_PS)
692 rt2500usb_config_ps(rt2x00dev, libconf);
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700693}
694
695/*
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700696 * Link tuning
697 */
Ivo van Doornebcf26d2007-10-13 16:26:12 +0200698static void rt2500usb_link_stats(struct rt2x00_dev *rt2x00dev,
699 struct link_qual *qual)
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700700{
701 u16 reg;
702
703 /*
704 * Update FCS error count from register.
705 */
706 rt2500usb_register_read(rt2x00dev, STA_CSR0, &reg);
Ivo van Doornebcf26d2007-10-13 16:26:12 +0200707 qual->rx_failed = rt2x00_get_field16(reg, STA_CSR0_FCS_ERROR);
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700708
709 /*
710 * Update False CCA count from register.
711 */
712 rt2500usb_register_read(rt2x00dev, STA_CSR3, &reg);
Ivo van Doornebcf26d2007-10-13 16:26:12 +0200713 qual->false_cca = rt2x00_get_field16(reg, STA_CSR3_FALSE_CCA_ERROR);
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700714}
715
Ivo van Doorn5352ff62008-12-20 10:54:54 +0100716static void rt2500usb_reset_tuner(struct rt2x00_dev *rt2x00dev,
717 struct link_qual *qual)
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700718{
719 u16 eeprom;
720 u16 value;
721
722 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &eeprom);
723 value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R24_LOW);
724 rt2500usb_bbp_write(rt2x00dev, 24, value);
725
726 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R25, &eeprom);
727 value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R25_LOW);
728 rt2500usb_bbp_write(rt2x00dev, 25, value);
729
730 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R61, &eeprom);
731 value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R61_LOW);
732 rt2500usb_bbp_write(rt2x00dev, 61, value);
733
734 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &eeprom);
735 value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_VGCUPPER);
736 rt2500usb_bbp_write(rt2x00dev, 17, value);
737
Ivo van Doorn5352ff62008-12-20 10:54:54 +0100738 qual->vgc_level = value;
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700739}
740
Ivo van Doornd06193f2008-08-03 23:36:01 +0200741/*
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700742 * Initialization functions.
743 */
744static int rt2500usb_init_registers(struct rt2x00_dev *rt2x00dev)
745{
746 u16 reg;
747
748 rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0x0001,
749 USB_MODE_TEST, REGISTER_TIMEOUT);
750 rt2x00usb_vendor_request_sw(rt2x00dev, USB_SINGLE_WRITE, 0x0308,
751 0x00f0, REGISTER_TIMEOUT);
752
753 rt2500usb_register_read(rt2x00dev, TXRX_CSR2, &reg);
754 rt2x00_set_field16(&reg, TXRX_CSR2_DISABLE_RX, 1);
755 rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg);
756
757 rt2500usb_register_write(rt2x00dev, MAC_CSR13, 0x1111);
758 rt2500usb_register_write(rt2x00dev, MAC_CSR14, 0x1e11);
759
760 rt2500usb_register_read(rt2x00dev, MAC_CSR1, &reg);
761 rt2x00_set_field16(&reg, MAC_CSR1_SOFT_RESET, 1);
762 rt2x00_set_field16(&reg, MAC_CSR1_BBP_RESET, 1);
763 rt2x00_set_field16(&reg, MAC_CSR1_HOST_READY, 0);
764 rt2500usb_register_write(rt2x00dev, MAC_CSR1, reg);
765
766 rt2500usb_register_read(rt2x00dev, MAC_CSR1, &reg);
767 rt2x00_set_field16(&reg, MAC_CSR1_SOFT_RESET, 0);
768 rt2x00_set_field16(&reg, MAC_CSR1_BBP_RESET, 0);
769 rt2x00_set_field16(&reg, MAC_CSR1_HOST_READY, 0);
770 rt2500usb_register_write(rt2x00dev, MAC_CSR1, reg);
771
772 rt2500usb_register_read(rt2x00dev, TXRX_CSR5, &reg);
773 rt2x00_set_field16(&reg, TXRX_CSR5_BBP_ID0, 13);
774 rt2x00_set_field16(&reg, TXRX_CSR5_BBP_ID0_VALID, 1);
775 rt2x00_set_field16(&reg, TXRX_CSR5_BBP_ID1, 12);
776 rt2x00_set_field16(&reg, TXRX_CSR5_BBP_ID1_VALID, 1);
777 rt2500usb_register_write(rt2x00dev, TXRX_CSR5, reg);
778
779 rt2500usb_register_read(rt2x00dev, TXRX_CSR6, &reg);
780 rt2x00_set_field16(&reg, TXRX_CSR6_BBP_ID0, 10);
781 rt2x00_set_field16(&reg, TXRX_CSR6_BBP_ID0_VALID, 1);
782 rt2x00_set_field16(&reg, TXRX_CSR6_BBP_ID1, 11);
783 rt2x00_set_field16(&reg, TXRX_CSR6_BBP_ID1_VALID, 1);
784 rt2500usb_register_write(rt2x00dev, TXRX_CSR6, reg);
785
786 rt2500usb_register_read(rt2x00dev, TXRX_CSR7, &reg);
787 rt2x00_set_field16(&reg, TXRX_CSR7_BBP_ID0, 7);
788 rt2x00_set_field16(&reg, TXRX_CSR7_BBP_ID0_VALID, 1);
789 rt2x00_set_field16(&reg, TXRX_CSR7_BBP_ID1, 6);
790 rt2x00_set_field16(&reg, TXRX_CSR7_BBP_ID1_VALID, 1);
791 rt2500usb_register_write(rt2x00dev, TXRX_CSR7, reg);
792
793 rt2500usb_register_read(rt2x00dev, TXRX_CSR8, &reg);
794 rt2x00_set_field16(&reg, TXRX_CSR8_BBP_ID0, 5);
795 rt2x00_set_field16(&reg, TXRX_CSR8_BBP_ID0_VALID, 1);
796 rt2x00_set_field16(&reg, TXRX_CSR8_BBP_ID1, 0);
797 rt2x00_set_field16(&reg, TXRX_CSR8_BBP_ID1_VALID, 0);
798 rt2500usb_register_write(rt2x00dev, TXRX_CSR8, reg);
799
Ivo van Doorn1f909162008-07-08 13:45:20 +0200800 rt2500usb_register_read(rt2x00dev, TXRX_CSR19, &reg);
801 rt2x00_set_field16(&reg, TXRX_CSR19_TSF_COUNT, 0);
802 rt2x00_set_field16(&reg, TXRX_CSR19_TSF_SYNC, 0);
803 rt2x00_set_field16(&reg, TXRX_CSR19_TBCN, 0);
804 rt2x00_set_field16(&reg, TXRX_CSR19_BEACON_GEN, 0);
805 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
806
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700807 rt2500usb_register_write(rt2x00dev, TXRX_CSR21, 0xe78f);
808 rt2500usb_register_write(rt2x00dev, MAC_CSR9, 0xff1d);
809
810 if (rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_AWAKE))
811 return -EBUSY;
812
813 rt2500usb_register_read(rt2x00dev, MAC_CSR1, &reg);
814 rt2x00_set_field16(&reg, MAC_CSR1_SOFT_RESET, 0);
815 rt2x00_set_field16(&reg, MAC_CSR1_BBP_RESET, 0);
816 rt2x00_set_field16(&reg, MAC_CSR1_HOST_READY, 1);
817 rt2500usb_register_write(rt2x00dev, MAC_CSR1, reg);
818
Gertjan van Wingerde5122d892009-12-23 00:03:25 +0100819 if (rt2x00_rev(rt2x00dev) >= RT2570_VERSION_C) {
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700820 rt2500usb_register_read(rt2x00dev, PHY_CSR2, &reg);
Ivo van Doornddc827f2007-10-13 16:26:42 +0200821 rt2x00_set_field16(&reg, PHY_CSR2_LNA, 0);
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700822 } else {
Ivo van Doornddc827f2007-10-13 16:26:42 +0200823 reg = 0;
824 rt2x00_set_field16(&reg, PHY_CSR2_LNA, 1);
825 rt2x00_set_field16(&reg, PHY_CSR2_LNA_MODE, 3);
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700826 }
827 rt2500usb_register_write(rt2x00dev, PHY_CSR2, reg);
828
829 rt2500usb_register_write(rt2x00dev, MAC_CSR11, 0x0002);
830 rt2500usb_register_write(rt2x00dev, MAC_CSR22, 0x0053);
831 rt2500usb_register_write(rt2x00dev, MAC_CSR15, 0x01ee);
832 rt2500usb_register_write(rt2x00dev, MAC_CSR16, 0x0000);
833
834 rt2500usb_register_read(rt2x00dev, MAC_CSR8, &reg);
835 rt2x00_set_field16(&reg, MAC_CSR8_MAX_FRAME_UNIT,
836 rt2x00dev->rx->data_size);
837 rt2500usb_register_write(rt2x00dev, MAC_CSR8, reg);
838
839 rt2500usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
Stanislaw Gruszkaac59b492010-07-27 10:48:17 -0400840 rt2x00_set_field16(&reg, TXRX_CSR0_ALGORITHM, CIPHER_NONE);
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700841 rt2x00_set_field16(&reg, TXRX_CSR0_IV_OFFSET, IEEE80211_HEADER);
Ivo van Doorndddfb472008-12-02 18:20:42 +0100842 rt2x00_set_field16(&reg, TXRX_CSR0_KEY_ID, 0);
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700843 rt2500usb_register_write(rt2x00dev, TXRX_CSR0, reg);
844
845 rt2500usb_register_read(rt2x00dev, MAC_CSR18, &reg);
846 rt2x00_set_field16(&reg, MAC_CSR18_DELAY_AFTER_BEACON, 90);
847 rt2500usb_register_write(rt2x00dev, MAC_CSR18, reg);
848
849 rt2500usb_register_read(rt2x00dev, PHY_CSR4, &reg);
850 rt2x00_set_field16(&reg, PHY_CSR4_LOW_RF_LE, 1);
851 rt2500usb_register_write(rt2x00dev, PHY_CSR4, reg);
852
853 rt2500usb_register_read(rt2x00dev, TXRX_CSR1, &reg);
854 rt2x00_set_field16(&reg, TXRX_CSR1_AUTO_SEQUENCE, 1);
855 rt2500usb_register_write(rt2x00dev, TXRX_CSR1, reg);
856
857 return 0;
858}
859
Ivo van Doorn2b08da32008-06-03 18:58:56 +0200860static int rt2500usb_wait_bbp_ready(struct rt2x00_dev *rt2x00dev)
861{
862 unsigned int i;
863 u8 value;
864
865 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
866 rt2500usb_bbp_read(rt2x00dev, 0, &value);
867 if ((value != 0xff) && (value != 0x00))
868 return 0;
869 udelay(REGISTER_BUSY_DELAY);
870 }
871
872 ERROR(rt2x00dev, "BBP register access failed, aborting.\n");
873 return -EACCES;
874}
875
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700876static int rt2500usb_init_bbp(struct rt2x00_dev *rt2x00dev)
877{
878 unsigned int i;
879 u16 eeprom;
880 u8 value;
881 u8 reg_id;
882
Ivo van Doorn2b08da32008-06-03 18:58:56 +0200883 if (unlikely(rt2500usb_wait_bbp_ready(rt2x00dev)))
884 return -EACCES;
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700885
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700886 rt2500usb_bbp_write(rt2x00dev, 3, 0x02);
887 rt2500usb_bbp_write(rt2x00dev, 4, 0x19);
888 rt2500usb_bbp_write(rt2x00dev, 14, 0x1c);
889 rt2500usb_bbp_write(rt2x00dev, 15, 0x30);
890 rt2500usb_bbp_write(rt2x00dev, 16, 0xac);
891 rt2500usb_bbp_write(rt2x00dev, 18, 0x18);
892 rt2500usb_bbp_write(rt2x00dev, 19, 0xff);
893 rt2500usb_bbp_write(rt2x00dev, 20, 0x1e);
894 rt2500usb_bbp_write(rt2x00dev, 21, 0x08);
895 rt2500usb_bbp_write(rt2x00dev, 22, 0x08);
896 rt2500usb_bbp_write(rt2x00dev, 23, 0x08);
897 rt2500usb_bbp_write(rt2x00dev, 24, 0x80);
898 rt2500usb_bbp_write(rt2x00dev, 25, 0x50);
899 rt2500usb_bbp_write(rt2x00dev, 26, 0x08);
900 rt2500usb_bbp_write(rt2x00dev, 27, 0x23);
901 rt2500usb_bbp_write(rt2x00dev, 30, 0x10);
902 rt2500usb_bbp_write(rt2x00dev, 31, 0x2b);
903 rt2500usb_bbp_write(rt2x00dev, 32, 0xb9);
904 rt2500usb_bbp_write(rt2x00dev, 34, 0x12);
905 rt2500usb_bbp_write(rt2x00dev, 35, 0x50);
906 rt2500usb_bbp_write(rt2x00dev, 39, 0xc4);
907 rt2500usb_bbp_write(rt2x00dev, 40, 0x02);
908 rt2500usb_bbp_write(rt2x00dev, 41, 0x60);
909 rt2500usb_bbp_write(rt2x00dev, 53, 0x10);
910 rt2500usb_bbp_write(rt2x00dev, 54, 0x18);
911 rt2500usb_bbp_write(rt2x00dev, 56, 0x08);
912 rt2500usb_bbp_write(rt2x00dev, 57, 0x10);
913 rt2500usb_bbp_write(rt2x00dev, 58, 0x08);
914 rt2500usb_bbp_write(rt2x00dev, 61, 0x60);
915 rt2500usb_bbp_write(rt2x00dev, 62, 0x10);
916 rt2500usb_bbp_write(rt2x00dev, 75, 0xff);
917
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700918 for (i = 0; i < EEPROM_BBP_SIZE; i++) {
919 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom);
920
921 if (eeprom != 0xffff && eeprom != 0x0000) {
922 reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
923 value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700924 rt2500usb_bbp_write(rt2x00dev, reg_id, value);
925 }
926 }
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700927
928 return 0;
929}
930
931/*
932 * Device state switch handlers.
933 */
934static void rt2500usb_toggle_rx(struct rt2x00_dev *rt2x00dev,
935 enum dev_state state)
936{
937 u16 reg;
938
939 rt2500usb_register_read(rt2x00dev, TXRX_CSR2, &reg);
940 rt2x00_set_field16(&reg, TXRX_CSR2_DISABLE_RX,
Ivo van Doornea175ee2010-11-06 15:48:43 +0100941 (state == STATE_RADIO_RX_OFF));
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700942 rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg);
943}
944
945static int rt2500usb_enable_radio(struct rt2x00_dev *rt2x00dev)
946{
947 /*
948 * Initialize all registers.
949 */
Ivo van Doorn2b08da32008-06-03 18:58:56 +0200950 if (unlikely(rt2500usb_init_registers(rt2x00dev) ||
951 rt2500usb_init_bbp(rt2x00dev)))
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700952 return -EIO;
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700953
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700954 return 0;
955}
956
957static void rt2500usb_disable_radio(struct rt2x00_dev *rt2x00dev)
958{
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700959 rt2500usb_register_write(rt2x00dev, MAC_CSR13, 0x2121);
960 rt2500usb_register_write(rt2x00dev, MAC_CSR14, 0x2121);
961
962 /*
963 * Disable synchronisation.
964 */
965 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, 0);
966
967 rt2x00usb_disable_radio(rt2x00dev);
968}
969
970static int rt2500usb_set_state(struct rt2x00_dev *rt2x00dev,
971 enum dev_state state)
972{
973 u16 reg;
974 u16 reg2;
975 unsigned int i;
976 char put_to_sleep;
977 char bbp_state;
978 char rf_state;
979
980 put_to_sleep = (state != STATE_AWAKE);
981
982 reg = 0;
983 rt2x00_set_field16(&reg, MAC_CSR17_BBP_DESIRE_STATE, state);
984 rt2x00_set_field16(&reg, MAC_CSR17_RF_DESIRE_STATE, state);
985 rt2x00_set_field16(&reg, MAC_CSR17_PUT_TO_SLEEP, put_to_sleep);
986 rt2500usb_register_write(rt2x00dev, MAC_CSR17, reg);
987 rt2x00_set_field16(&reg, MAC_CSR17_SET_STATE, 1);
988 rt2500usb_register_write(rt2x00dev, MAC_CSR17, reg);
989
990 /*
991 * Device is not guaranteed to be in the requested state yet.
992 * We must wait until the register indicates that the
993 * device has entered the correct state.
994 */
995 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
996 rt2500usb_register_read(rt2x00dev, MAC_CSR17, &reg2);
997 bbp_state = rt2x00_get_field16(reg2, MAC_CSR17_BBP_CURR_STATE);
998 rf_state = rt2x00_get_field16(reg2, MAC_CSR17_RF_CURR_STATE);
999 if (bbp_state == state && rf_state == state)
1000 return 0;
1001 rt2500usb_register_write(rt2x00dev, MAC_CSR17, reg);
1002 msleep(30);
1003 }
1004
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001005 return -EBUSY;
1006}
1007
1008static int rt2500usb_set_device_state(struct rt2x00_dev *rt2x00dev,
1009 enum dev_state state)
1010{
1011 int retval = 0;
1012
1013 switch (state) {
1014 case STATE_RADIO_ON:
1015 retval = rt2500usb_enable_radio(rt2x00dev);
1016 break;
1017 case STATE_RADIO_OFF:
1018 rt2500usb_disable_radio(rt2x00dev);
1019 break;
1020 case STATE_RADIO_RX_ON:
1021 case STATE_RADIO_RX_OFF:
Ivo van Doorn2b08da32008-06-03 18:58:56 +02001022 rt2500usb_toggle_rx(rt2x00dev, state);
1023 break;
1024 case STATE_RADIO_IRQ_ON:
Helmut Schaa78e256c2010-07-11 12:26:48 +02001025 case STATE_RADIO_IRQ_ON_ISR:
Ivo van Doorn2b08da32008-06-03 18:58:56 +02001026 case STATE_RADIO_IRQ_OFF:
Helmut Schaa78e256c2010-07-11 12:26:48 +02001027 case STATE_RADIO_IRQ_OFF_ISR:
Ivo van Doorn2b08da32008-06-03 18:58:56 +02001028 /* No support, but no error either */
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001029 break;
1030 case STATE_DEEP_SLEEP:
1031 case STATE_SLEEP:
1032 case STATE_STANDBY:
1033 case STATE_AWAKE:
1034 retval = rt2500usb_set_state(rt2x00dev, state);
1035 break;
1036 default:
1037 retval = -ENOTSUPP;
1038 break;
1039 }
1040
Ivo van Doorn2b08da32008-06-03 18:58:56 +02001041 if (unlikely(retval))
1042 ERROR(rt2x00dev, "Device failed to enter state %d (%d).\n",
1043 state, retval);
1044
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001045 return retval;
1046}
1047
1048/*
1049 * TX descriptor initialization
1050 */
Ivo van Doorn93331452010-08-23 19:53:39 +02001051static void rt2500usb_write_tx_desc(struct queue_entry *entry,
Ivo van Doorn61486e02008-05-10 13:42:31 +02001052 struct txentry_desc *txdesc)
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001053{
Ivo van Doorn93331452010-08-23 19:53:39 +02001054 struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
1055 __le32 *txd = (__le32 *) entry->skb->data;
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001056 u32 word;
1057
1058 /*
1059 * Start writing the descriptor words.
1060 */
Gertjan van Wingerdee01f1ec2010-05-11 23:51:39 +02001061 rt2x00_desc_read(txd, 0, &word);
1062 rt2x00_set_field32(&word, TXD_W0_RETRY_LIMIT, txdesc->retry_limit);
1063 rt2x00_set_field32(&word, TXD_W0_MORE_FRAG,
1064 test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags));
1065 rt2x00_set_field32(&word, TXD_W0_ACK,
1066 test_bit(ENTRY_TXD_ACK, &txdesc->flags));
1067 rt2x00_set_field32(&word, TXD_W0_TIMESTAMP,
1068 test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags));
1069 rt2x00_set_field32(&word, TXD_W0_OFDM,
1070 (txdesc->rate_mode == RATE_MODE_OFDM));
1071 rt2x00_set_field32(&word, TXD_W0_NEW_SEQ,
1072 test_bit(ENTRY_TXD_FIRST_FRAGMENT, &txdesc->flags));
1073 rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs);
1074 rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, txdesc->length);
1075 rt2x00_set_field32(&word, TXD_W0_CIPHER, !!txdesc->cipher);
1076 rt2x00_set_field32(&word, TXD_W0_KEY_ID, txdesc->key_idx);
1077 rt2x00_desc_write(txd, 0, word);
1078
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001079 rt2x00_desc_read(txd, 1, &word);
Ivo van Doorndddfb472008-12-02 18:20:42 +01001080 rt2x00_set_field32(&word, TXD_W1_IV_OFFSET, txdesc->iv_offset);
Helmut Schaa2b23cda2010-11-04 20:38:15 +01001081 rt2x00_set_field32(&word, TXD_W1_AIFS, entry->queue->aifs);
1082 rt2x00_set_field32(&word, TXD_W1_CWMIN, entry->queue->cw_min);
1083 rt2x00_set_field32(&word, TXD_W1_CWMAX, entry->queue->cw_max);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001084 rt2x00_desc_write(txd, 1, word);
1085
1086 rt2x00_desc_read(txd, 2, &word);
Ivo van Doorn181d6902008-02-05 16:42:23 -05001087 rt2x00_set_field32(&word, TXD_W2_PLCP_SIGNAL, txdesc->signal);
1088 rt2x00_set_field32(&word, TXD_W2_PLCP_SERVICE, txdesc->service);
1089 rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_LOW, txdesc->length_low);
1090 rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_HIGH, txdesc->length_high);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001091 rt2x00_desc_write(txd, 2, word);
1092
Ivo van Doorndddfb472008-12-02 18:20:42 +01001093 if (test_bit(ENTRY_TXD_ENCRYPT, &txdesc->flags)) {
1094 _rt2x00_desc_write(txd, 3, skbdesc->iv[0]);
1095 _rt2x00_desc_write(txd, 4, skbdesc->iv[1]);
1096 }
1097
Gertjan van Wingerde85b7a8b2010-05-11 23:51:40 +02001098 /*
1099 * Register descriptor details in skb frame descriptor.
1100 */
Gertjan van Wingerde0b8004a2010-06-03 10:51:45 +02001101 skbdesc->flags |= SKBDESC_DESC_IN_SKB;
Gertjan van Wingerde85b7a8b2010-05-11 23:51:40 +02001102 skbdesc->desc = txd;
1103 skbdesc->desc_len = TXD_DESC_SIZE;
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001104}
1105
Ivo van Doornbd88a782008-07-09 15:12:44 +02001106/*
1107 * TX data initialization
1108 */
1109static void rt2500usb_beacondone(struct urb *urb);
1110
Gertjan van Wingerdef224f4e2010-05-08 23:40:25 +02001111static void rt2500usb_write_beacon(struct queue_entry *entry,
1112 struct txentry_desc *txdesc)
Ivo van Doornbd88a782008-07-09 15:12:44 +02001113{
1114 struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
1115 struct usb_device *usb_dev = to_usb_device_intf(rt2x00dev->dev);
1116 struct queue_entry_priv_usb_bcn *bcn_priv = entry->priv_data;
Ivo van Doornf1ca2162008-11-13 23:07:33 +01001117 int pipe = usb_sndbulkpipe(usb_dev, entry->queue->usb_endpoint);
Ivo van Doornbd88a782008-07-09 15:12:44 +02001118 int length;
Gertjan van Wingerded61cb262010-05-08 23:40:24 +02001119 u16 reg, reg0;
Ivo van Doornbd88a782008-07-09 15:12:44 +02001120
1121 /*
Ivo van Doornbd88a782008-07-09 15:12:44 +02001122 * Disable beaconing while we are reloading the beacon data,
1123 * otherwise we might be sending out invalid data.
1124 */
1125 rt2500usb_register_read(rt2x00dev, TXRX_CSR19, &reg);
Ivo van Doornbd88a782008-07-09 15:12:44 +02001126 rt2x00_set_field16(&reg, TXRX_CSR19_BEACON_GEN, 0);
1127 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
1128
1129 /*
Gertjan van Wingerde0b8004a2010-06-03 10:51:45 +02001130 * Add space for the descriptor in front of the skb.
1131 */
1132 skb_push(entry->skb, TXD_DESC_SIZE);
1133 memset(entry->skb->data, 0, TXD_DESC_SIZE);
1134
1135 /*
Gertjan van Wingerde5c3b6852010-06-03 10:51:41 +02001136 * Write the TX descriptor for the beacon.
1137 */
Ivo van Doorn93331452010-08-23 19:53:39 +02001138 rt2500usb_write_tx_desc(entry, txdesc);
Gertjan van Wingerde5c3b6852010-06-03 10:51:41 +02001139
1140 /*
1141 * Dump beacon to userspace through debugfs.
1142 */
1143 rt2x00debug_dump_frame(rt2x00dev, DUMP_FRAME_BEACON, entry->skb);
1144
1145 /*
Ivo van Doornbd88a782008-07-09 15:12:44 +02001146 * USB devices cannot blindly pass the skb->len as the
1147 * length of the data to usb_fill_bulk_urb. Pass the skb
1148 * to the driver to determine what the length should be.
1149 */
Ivo van Doornf1ca2162008-11-13 23:07:33 +01001150 length = rt2x00dev->ops->lib->get_tx_data_len(entry);
Ivo van Doornbd88a782008-07-09 15:12:44 +02001151
1152 usb_fill_bulk_urb(bcn_priv->urb, usb_dev, pipe,
1153 entry->skb->data, length, rt2500usb_beacondone,
1154 entry);
1155
1156 /*
1157 * Second we need to create the guardian byte.
1158 * We only need a single byte, so lets recycle
1159 * the 'flags' field we are not using for beacons.
1160 */
1161 bcn_priv->guardian_data = 0;
1162 usb_fill_bulk_urb(bcn_priv->guardian_urb, usb_dev, pipe,
1163 &bcn_priv->guardian_data, 1, rt2500usb_beacondone,
1164 entry);
1165
1166 /*
1167 * Send out the guardian byte.
1168 */
1169 usb_submit_urb(bcn_priv->guardian_urb, GFP_ATOMIC);
Gertjan van Wingerded61cb262010-05-08 23:40:24 +02001170
1171 /*
1172 * Enable beaconing again.
1173 */
1174 rt2x00_set_field16(&reg, TXRX_CSR19_TSF_COUNT, 1);
1175 rt2x00_set_field16(&reg, TXRX_CSR19_TBCN, 1);
1176 reg0 = reg;
1177 rt2x00_set_field16(&reg, TXRX_CSR19_BEACON_GEN, 1);
1178 /*
1179 * Beacon generation will fail initially.
1180 * To prevent this we need to change the TXRX_CSR19
1181 * register several times (reg0 is the same as reg
1182 * except for TXRX_CSR19_BEACON_GEN, which is 0 in reg0
1183 * and 1 in reg).
1184 */
1185 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
1186 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg0);
1187 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
1188 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg0);
1189 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
Ivo van Doornbd88a782008-07-09 15:12:44 +02001190}
1191
Ivo van Doornf1ca2162008-11-13 23:07:33 +01001192static int rt2500usb_get_tx_data_len(struct queue_entry *entry)
Ivo van Doorndd9fa2d2007-10-06 14:15:46 +02001193{
1194 int length;
1195
1196 /*
1197 * The length _must_ be a multiple of 2,
1198 * but it must _not_ be a multiple of the USB packet size.
1199 */
Ivo van Doornf1ca2162008-11-13 23:07:33 +01001200 length = roundup(entry->skb->len, 2);
1201 length += (2 * !(length % entry->queue->usb_maxpacket));
Ivo van Doorndd9fa2d2007-10-06 14:15:46 +02001202
1203 return length;
1204}
1205
Ivo van Doorn0e3afe52010-08-30 21:14:56 +02001206static void rt2500usb_kill_tx_queue(struct data_queue *queue)
1207{
1208 if (queue->qid == QID_BEACON)
1209 rt2500usb_register_write(queue->rt2x00dev, TXRX_CSR19, 0);
1210
1211 rt2x00usb_kill_tx_queue(queue);
1212}
1213
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001214/*
1215 * RX control handlers
1216 */
Ivo van Doorn181d6902008-02-05 16:42:23 -05001217static void rt2500usb_fill_rxdone(struct queue_entry *entry,
1218 struct rxdone_entry_desc *rxdesc)
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001219{
Ivo van Doorndddfb472008-12-02 18:20:42 +01001220 struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
Ivo van Doornb8be63f2008-05-10 13:46:03 +02001221 struct queue_entry_priv_usb *entry_priv = entry->priv_data;
Ivo van Doorn181d6902008-02-05 16:42:23 -05001222 struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
1223 __le32 *rxd =
1224 (__le32 *)(entry->skb->data +
Ivo van Doornb8be63f2008-05-10 13:46:03 +02001225 (entry_priv->urb->actual_length -
1226 entry->queue->desc_size));
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001227 u32 word0;
1228 u32 word1;
1229
Ivo van Doornf855c102008-03-09 22:38:18 +01001230 /*
Gertjan van Wingerdea26cbc62008-06-06 22:54:28 +02001231 * Copy descriptor to the skbdesc->desc buffer, making it safe from moving of
1232 * frame data in rt2x00usb.
Ivo van Doornf855c102008-03-09 22:38:18 +01001233 */
Gertjan van Wingerdea26cbc62008-06-06 22:54:28 +02001234 memcpy(skbdesc->desc, rxd, skbdesc->desc_len);
Ivo van Doorn70a96102008-05-10 13:43:38 +02001235 rxd = (__le32 *)skbdesc->desc;
Ivo van Doornf855c102008-03-09 22:38:18 +01001236
1237 /*
Ivo van Doorn70a96102008-05-10 13:43:38 +02001238 * It is now safe to read the descriptor on all architectures.
Ivo van Doornf855c102008-03-09 22:38:18 +01001239 */
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001240 rt2x00_desc_read(rxd, 0, &word0);
1241 rt2x00_desc_read(rxd, 1, &word1);
1242
Johannes Berg4150c572007-09-17 01:29:23 -04001243 if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR))
Ivo van Doorn181d6902008-02-05 16:42:23 -05001244 rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
Johannes Berg4150c572007-09-17 01:29:23 -04001245 if (rt2x00_get_field32(word0, RXD_W0_PHYSICAL_ERROR))
Ivo van Doorn181d6902008-02-05 16:42:23 -05001246 rxdesc->flags |= RX_FLAG_FAILED_PLCP_CRC;
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001247
Gertjan van Wingerde78b8f3b2010-05-08 23:40:20 +02001248 rxdesc->cipher = rt2x00_get_field32(word0, RXD_W0_CIPHER);
1249 if (rt2x00_get_field32(word0, RXD_W0_CIPHER_ERROR))
1250 rxdesc->cipher_status = RX_CRYPTO_FAIL_KEY;
Ivo van Doorndddfb472008-12-02 18:20:42 +01001251
1252 if (rxdesc->cipher != CIPHER_NONE) {
1253 _rt2x00_desc_read(rxd, 2, &rxdesc->iv[0]);
1254 _rt2x00_desc_read(rxd, 3, &rxdesc->iv[1]);
Ivo van Doorn74415ed2008-12-02 22:50:33 +01001255 rxdesc->dev_flags |= RXDONE_CRYPTO_IV;
1256
Ivo van Doorndddfb472008-12-02 18:20:42 +01001257 /* ICV is located at the end of frame */
1258
Ivo van Doornf3d340c2008-12-21 23:19:17 +01001259 rxdesc->flags |= RX_FLAG_MMIC_STRIPPED;
Ivo van Doorndddfb472008-12-02 18:20:42 +01001260 if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS)
1261 rxdesc->flags |= RX_FLAG_DECRYPTED;
1262 else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC)
1263 rxdesc->flags |= RX_FLAG_MMIC_ERROR;
1264 }
1265
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001266 /*
1267 * Obtain the status about this packet.
Ivo van Doorn89993892008-03-09 22:49:04 +01001268 * When frame was received with an OFDM bitrate,
1269 * the signal is the PLCP value. If it was received with
1270 * a CCK bitrate the signal is the rate in 100kbit/s.
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001271 */
Ivo van Doorn181d6902008-02-05 16:42:23 -05001272 rxdesc->signal = rt2x00_get_field32(word1, RXD_W1_SIGNAL);
Ivo van Doorndddfb472008-12-02 18:20:42 +01001273 rxdesc->rssi =
1274 rt2x00_get_field32(word1, RXD_W1_RSSI) - rt2x00dev->rssi_offset;
Ivo van Doorn181d6902008-02-05 16:42:23 -05001275 rxdesc->size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT);
Ivo van Doorn19d30e02008-03-15 21:38:07 +01001276
Ivo van Doorn19d30e02008-03-15 21:38:07 +01001277 if (rt2x00_get_field32(word0, RXD_W0_OFDM))
1278 rxdesc->dev_flags |= RXDONE_SIGNAL_PLCP;
Ivo van Doorn6c6aa3c2008-08-29 21:07:16 +02001279 else
1280 rxdesc->dev_flags |= RXDONE_SIGNAL_BITRATE;
Ivo van Doorn19d30e02008-03-15 21:38:07 +01001281 if (rt2x00_get_field32(word0, RXD_W0_MY_BSS))
1282 rxdesc->dev_flags |= RXDONE_MY_BSS;
Ivo van Doorn7d1de802008-01-06 23:42:04 +01001283
1284 /*
Mattias Nissler2ae23852008-03-09 22:41:22 +01001285 * Adjust the skb memory window to the frame boundaries.
1286 */
Mattias Nissler2ae23852008-03-09 22:41:22 +01001287 skb_trim(entry->skb, rxdesc->size);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001288}
1289
1290/*
1291 * Interrupt functions.
1292 */
1293static void rt2500usb_beacondone(struct urb *urb)
1294{
Ivo van Doorn181d6902008-02-05 16:42:23 -05001295 struct queue_entry *entry = (struct queue_entry *)urb->context;
Ivo van Doornb8be63f2008-05-10 13:46:03 +02001296 struct queue_entry_priv_usb_bcn *bcn_priv = entry->priv_data;
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001297
Ivo van Doorn0262ab02008-08-29 21:04:26 +02001298 if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &entry->queue->rt2x00dev->flags))
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001299 return;
1300
1301 /*
1302 * Check if this was the guardian beacon,
1303 * if that was the case we need to send the real beacon now.
1304 * Otherwise we should free the sk_buffer, the device
1305 * should be doing the rest of the work now.
1306 */
Ivo van Doornb8be63f2008-05-10 13:46:03 +02001307 if (bcn_priv->guardian_urb == urb) {
1308 usb_submit_urb(bcn_priv->urb, GFP_ATOMIC);
1309 } else if (bcn_priv->urb == urb) {
Ivo van Doorn181d6902008-02-05 16:42:23 -05001310 dev_kfree_skb(entry->skb);
1311 entry->skb = NULL;
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001312 }
1313}
1314
1315/*
1316 * Device probe functions.
1317 */
1318static int rt2500usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
1319{
1320 u16 word;
1321 u8 *mac;
Ivo van Doorn6bb40dd2008-02-03 15:49:59 +01001322 u8 bbp;
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001323
1324 rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom, EEPROM_SIZE);
1325
1326 /*
1327 * Start validation of the data that has been read.
1328 */
1329 mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
1330 if (!is_valid_ether_addr(mac)) {
1331 random_ether_addr(mac);
Johannes Berge1749612008-10-27 15:59:26 -07001332 EEPROM(rt2x00dev, "MAC: %pM\n", mac);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001333 }
1334
1335 rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
1336 if (word == 0xffff) {
1337 rt2x00_set_field16(&word, EEPROM_ANTENNA_NUM, 2);
Ivo van Doorn362f3b62007-10-13 16:26:18 +02001338 rt2x00_set_field16(&word, EEPROM_ANTENNA_TX_DEFAULT,
1339 ANTENNA_SW_DIVERSITY);
1340 rt2x00_set_field16(&word, EEPROM_ANTENNA_RX_DEFAULT,
1341 ANTENNA_SW_DIVERSITY);
1342 rt2x00_set_field16(&word, EEPROM_ANTENNA_LED_MODE,
1343 LED_MODE_DEFAULT);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001344 rt2x00_set_field16(&word, EEPROM_ANTENNA_DYN_TXAGC, 0);
1345 rt2x00_set_field16(&word, EEPROM_ANTENNA_HARDWARE_RADIO, 0);
1346 rt2x00_set_field16(&word, EEPROM_ANTENNA_RF_TYPE, RF2522);
1347 rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word);
1348 EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word);
1349 }
1350
1351 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &word);
1352 if (word == 0xffff) {
1353 rt2x00_set_field16(&word, EEPROM_NIC_CARDBUS_ACCEL, 0);
1354 rt2x00_set_field16(&word, EEPROM_NIC_DYN_BBP_TUNE, 0);
1355 rt2x00_set_field16(&word, EEPROM_NIC_CCK_TX_POWER, 0);
1356 rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC, word);
1357 EEPROM(rt2x00dev, "NIC: 0x%04x\n", word);
1358 }
1359
1360 rt2x00_eeprom_read(rt2x00dev, EEPROM_CALIBRATE_OFFSET, &word);
1361 if (word == 0xffff) {
1362 rt2x00_set_field16(&word, EEPROM_CALIBRATE_OFFSET_RSSI,
1363 DEFAULT_RSSI_OFFSET);
1364 rt2x00_eeprom_write(rt2x00dev, EEPROM_CALIBRATE_OFFSET, word);
1365 EEPROM(rt2x00dev, "Calibrate offset: 0x%04x\n", word);
1366 }
1367
1368 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE, &word);
1369 if (word == 0xffff) {
1370 rt2x00_set_field16(&word, EEPROM_BBPTUNE_THRESHOLD, 45);
1371 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE, word);
1372 EEPROM(rt2x00dev, "BBPtune: 0x%04x\n", word);
1373 }
1374
Ivo van Doorn6bb40dd2008-02-03 15:49:59 +01001375 /*
1376 * Switch lower vgc bound to current BBP R17 value,
1377 * lower the value a bit for better quality.
1378 */
1379 rt2500usb_bbp_read(rt2x00dev, 17, &bbp);
1380 bbp -= 6;
1381
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001382 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &word);
1383 if (word == 0xffff) {
1384 rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCUPPER, 0x40);
Ivo van Doorn6bb40dd2008-02-03 15:49:59 +01001385 rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCLOWER, bbp);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001386 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_VGC, word);
1387 EEPROM(rt2x00dev, "BBPtune vgc: 0x%04x\n", word);
Ivo van Doorn8d8acd42008-07-28 10:20:12 +02001388 } else {
1389 rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCLOWER, bbp);
1390 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_VGC, word);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001391 }
1392
1393 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R17, &word);
1394 if (word == 0xffff) {
1395 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R17_LOW, 0x48);
1396 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R17_HIGH, 0x41);
1397 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R17, word);
1398 EEPROM(rt2x00dev, "BBPtune r17: 0x%04x\n", word);
1399 }
1400
1401 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &word);
1402 if (word == 0xffff) {
1403 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R24_LOW, 0x40);
1404 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R24_HIGH, 0x80);
1405 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R24, word);
1406 EEPROM(rt2x00dev, "BBPtune r24: 0x%04x\n", word);
1407 }
1408
1409 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R25, &word);
1410 if (word == 0xffff) {
1411 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R25_LOW, 0x40);
1412 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R25_HIGH, 0x50);
1413 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R25, word);
1414 EEPROM(rt2x00dev, "BBPtune r25: 0x%04x\n", word);
1415 }
1416
1417 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R61, &word);
1418 if (word == 0xffff) {
1419 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R61_LOW, 0x60);
1420 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R61_HIGH, 0x6d);
1421 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R61, word);
1422 EEPROM(rt2x00dev, "BBPtune r61: 0x%04x\n", word);
1423 }
1424
1425 return 0;
1426}
1427
1428static int rt2500usb_init_eeprom(struct rt2x00_dev *rt2x00dev)
1429{
1430 u16 reg;
1431 u16 value;
1432 u16 eeprom;
1433
1434 /*
1435 * Read EEPROM word for configuration.
1436 */
1437 rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
1438
1439 /*
1440 * Identify RF chipset.
1441 */
1442 value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE);
1443 rt2500usb_register_read(rt2x00dev, MAC_CSR0, &reg);
1444 rt2x00_set_chip(rt2x00dev, RT2570, value, reg);
1445
Gertjan van Wingerde49e721e2010-02-13 20:55:49 +01001446 if (((reg & 0xfff0) != 0) || ((reg & 0x0000000f) == 0)) {
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001447 ERROR(rt2x00dev, "Invalid RT chipset detected.\n");
1448 return -ENODEV;
1449 }
1450
Gertjan van Wingerde5122d892009-12-23 00:03:25 +01001451 if (!rt2x00_rf(rt2x00dev, RF2522) &&
1452 !rt2x00_rf(rt2x00dev, RF2523) &&
1453 !rt2x00_rf(rt2x00dev, RF2524) &&
1454 !rt2x00_rf(rt2x00dev, RF2525) &&
1455 !rt2x00_rf(rt2x00dev, RF2525E) &&
1456 !rt2x00_rf(rt2x00dev, RF5222)) {
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001457 ERROR(rt2x00dev, "Invalid RF chipset detected.\n");
1458 return -ENODEV;
1459 }
1460
1461 /*
1462 * Identify default antenna configuration.
1463 */
Ivo van Doornaddc81b2007-10-13 16:26:23 +02001464 rt2x00dev->default_ant.tx =
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001465 rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TX_DEFAULT);
Ivo van Doornaddc81b2007-10-13 16:26:23 +02001466 rt2x00dev->default_ant.rx =
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001467 rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RX_DEFAULT);
1468
1469 /*
Ivo van Doornaddc81b2007-10-13 16:26:23 +02001470 * When the eeprom indicates SW_DIVERSITY use HW_DIVERSITY instead.
1471 * I am not 100% sure about this, but the legacy drivers do not
1472 * indicate antenna swapping in software is required when
1473 * diversity is enabled.
1474 */
1475 if (rt2x00dev->default_ant.tx == ANTENNA_SW_DIVERSITY)
1476 rt2x00dev->default_ant.tx = ANTENNA_HW_DIVERSITY;
1477 if (rt2x00dev->default_ant.rx == ANTENNA_SW_DIVERSITY)
1478 rt2x00dev->default_ant.rx = ANTENNA_HW_DIVERSITY;
1479
1480 /*
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001481 * Store led mode, for correct led behaviour.
1482 */
Ivo van Doorn771fd562008-09-08 19:07:15 +02001483#ifdef CONFIG_RT2X00_LIB_LEDS
Ivo van Doorna9450b72008-02-03 15:53:40 +01001484 value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_LED_MODE);
1485
Ivo van Doorn475433b2008-06-03 20:30:01 +02001486 rt2500usb_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO);
Ivo van Doorn3d3e4512009-01-17 20:44:08 +01001487 if (value == LED_MODE_TXRX_ACTIVITY ||
1488 value == LED_MODE_DEFAULT ||
1489 value == LED_MODE_ASUS)
Ivo van Doorn475433b2008-06-03 20:30:01 +02001490 rt2500usb_init_led(rt2x00dev, &rt2x00dev->led_qual,
1491 LED_TYPE_ACTIVITY);
Ivo van Doorn771fd562008-09-08 19:07:15 +02001492#endif /* CONFIG_RT2X00_LIB_LEDS */
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001493
1494 /*
Ivo van Doorn7396faf2008-12-20 10:55:57 +01001495 * Detect if this device has an hardware controlled radio.
1496 */
Ivo van Doorn7396faf2008-12-20 10:55:57 +01001497 if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_HARDWARE_RADIO))
1498 __set_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags);
Ivo van Doorn7396faf2008-12-20 10:55:57 +01001499
1500 /*
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001501 * Read the RSSI <-> dBm offset information.
1502 */
1503 rt2x00_eeprom_read(rt2x00dev, EEPROM_CALIBRATE_OFFSET, &eeprom);
1504 rt2x00dev->rssi_offset =
1505 rt2x00_get_field16(eeprom, EEPROM_CALIBRATE_OFFSET_RSSI);
1506
1507 return 0;
1508}
1509
1510/*
1511 * RF value list for RF2522
1512 * Supports: 2.4 GHz
1513 */
1514static const struct rf_channel rf_vals_bg_2522[] = {
1515 { 1, 0x00002050, 0x000c1fda, 0x00000101, 0 },
1516 { 2, 0x00002050, 0x000c1fee, 0x00000101, 0 },
1517 { 3, 0x00002050, 0x000c2002, 0x00000101, 0 },
1518 { 4, 0x00002050, 0x000c2016, 0x00000101, 0 },
1519 { 5, 0x00002050, 0x000c202a, 0x00000101, 0 },
1520 { 6, 0x00002050, 0x000c203e, 0x00000101, 0 },
1521 { 7, 0x00002050, 0x000c2052, 0x00000101, 0 },
1522 { 8, 0x00002050, 0x000c2066, 0x00000101, 0 },
1523 { 9, 0x00002050, 0x000c207a, 0x00000101, 0 },
1524 { 10, 0x00002050, 0x000c208e, 0x00000101, 0 },
1525 { 11, 0x00002050, 0x000c20a2, 0x00000101, 0 },
1526 { 12, 0x00002050, 0x000c20b6, 0x00000101, 0 },
1527 { 13, 0x00002050, 0x000c20ca, 0x00000101, 0 },
1528 { 14, 0x00002050, 0x000c20fa, 0x00000101, 0 },
1529};
1530
1531/*
1532 * RF value list for RF2523
1533 * Supports: 2.4 GHz
1534 */
1535static const struct rf_channel rf_vals_bg_2523[] = {
1536 { 1, 0x00022010, 0x00000c9e, 0x000e0111, 0x00000a1b },
1537 { 2, 0x00022010, 0x00000ca2, 0x000e0111, 0x00000a1b },
1538 { 3, 0x00022010, 0x00000ca6, 0x000e0111, 0x00000a1b },
1539 { 4, 0x00022010, 0x00000caa, 0x000e0111, 0x00000a1b },
1540 { 5, 0x00022010, 0x00000cae, 0x000e0111, 0x00000a1b },
1541 { 6, 0x00022010, 0x00000cb2, 0x000e0111, 0x00000a1b },
1542 { 7, 0x00022010, 0x00000cb6, 0x000e0111, 0x00000a1b },
1543 { 8, 0x00022010, 0x00000cba, 0x000e0111, 0x00000a1b },
1544 { 9, 0x00022010, 0x00000cbe, 0x000e0111, 0x00000a1b },
1545 { 10, 0x00022010, 0x00000d02, 0x000e0111, 0x00000a1b },
1546 { 11, 0x00022010, 0x00000d06, 0x000e0111, 0x00000a1b },
1547 { 12, 0x00022010, 0x00000d0a, 0x000e0111, 0x00000a1b },
1548 { 13, 0x00022010, 0x00000d0e, 0x000e0111, 0x00000a1b },
1549 { 14, 0x00022010, 0x00000d1a, 0x000e0111, 0x00000a03 },
1550};
1551
1552/*
1553 * RF value list for RF2524
1554 * Supports: 2.4 GHz
1555 */
1556static const struct rf_channel rf_vals_bg_2524[] = {
1557 { 1, 0x00032020, 0x00000c9e, 0x00000101, 0x00000a1b },
1558 { 2, 0x00032020, 0x00000ca2, 0x00000101, 0x00000a1b },
1559 { 3, 0x00032020, 0x00000ca6, 0x00000101, 0x00000a1b },
1560 { 4, 0x00032020, 0x00000caa, 0x00000101, 0x00000a1b },
1561 { 5, 0x00032020, 0x00000cae, 0x00000101, 0x00000a1b },
1562 { 6, 0x00032020, 0x00000cb2, 0x00000101, 0x00000a1b },
1563 { 7, 0x00032020, 0x00000cb6, 0x00000101, 0x00000a1b },
1564 { 8, 0x00032020, 0x00000cba, 0x00000101, 0x00000a1b },
1565 { 9, 0x00032020, 0x00000cbe, 0x00000101, 0x00000a1b },
1566 { 10, 0x00032020, 0x00000d02, 0x00000101, 0x00000a1b },
1567 { 11, 0x00032020, 0x00000d06, 0x00000101, 0x00000a1b },
1568 { 12, 0x00032020, 0x00000d0a, 0x00000101, 0x00000a1b },
1569 { 13, 0x00032020, 0x00000d0e, 0x00000101, 0x00000a1b },
1570 { 14, 0x00032020, 0x00000d1a, 0x00000101, 0x00000a03 },
1571};
1572
1573/*
1574 * RF value list for RF2525
1575 * Supports: 2.4 GHz
1576 */
1577static const struct rf_channel rf_vals_bg_2525[] = {
1578 { 1, 0x00022020, 0x00080c9e, 0x00060111, 0x00000a1b },
1579 { 2, 0x00022020, 0x00080ca2, 0x00060111, 0x00000a1b },
1580 { 3, 0x00022020, 0x00080ca6, 0x00060111, 0x00000a1b },
1581 { 4, 0x00022020, 0x00080caa, 0x00060111, 0x00000a1b },
1582 { 5, 0x00022020, 0x00080cae, 0x00060111, 0x00000a1b },
1583 { 6, 0x00022020, 0x00080cb2, 0x00060111, 0x00000a1b },
1584 { 7, 0x00022020, 0x00080cb6, 0x00060111, 0x00000a1b },
1585 { 8, 0x00022020, 0x00080cba, 0x00060111, 0x00000a1b },
1586 { 9, 0x00022020, 0x00080cbe, 0x00060111, 0x00000a1b },
1587 { 10, 0x00022020, 0x00080d02, 0x00060111, 0x00000a1b },
1588 { 11, 0x00022020, 0x00080d06, 0x00060111, 0x00000a1b },
1589 { 12, 0x00022020, 0x00080d0a, 0x00060111, 0x00000a1b },
1590 { 13, 0x00022020, 0x00080d0e, 0x00060111, 0x00000a1b },
1591 { 14, 0x00022020, 0x00080d1a, 0x00060111, 0x00000a03 },
1592};
1593
1594/*
1595 * RF value list for RF2525e
1596 * Supports: 2.4 GHz
1597 */
1598static const struct rf_channel rf_vals_bg_2525e[] = {
1599 { 1, 0x00022010, 0x0000089a, 0x00060111, 0x00000e1b },
1600 { 2, 0x00022010, 0x0000089e, 0x00060111, 0x00000e07 },
1601 { 3, 0x00022010, 0x0000089e, 0x00060111, 0x00000e1b },
1602 { 4, 0x00022010, 0x000008a2, 0x00060111, 0x00000e07 },
1603 { 5, 0x00022010, 0x000008a2, 0x00060111, 0x00000e1b },
1604 { 6, 0x00022010, 0x000008a6, 0x00060111, 0x00000e07 },
1605 { 7, 0x00022010, 0x000008a6, 0x00060111, 0x00000e1b },
1606 { 8, 0x00022010, 0x000008aa, 0x00060111, 0x00000e07 },
1607 { 9, 0x00022010, 0x000008aa, 0x00060111, 0x00000e1b },
1608 { 10, 0x00022010, 0x000008ae, 0x00060111, 0x00000e07 },
1609 { 11, 0x00022010, 0x000008ae, 0x00060111, 0x00000e1b },
1610 { 12, 0x00022010, 0x000008b2, 0x00060111, 0x00000e07 },
1611 { 13, 0x00022010, 0x000008b2, 0x00060111, 0x00000e1b },
1612 { 14, 0x00022010, 0x000008b6, 0x00060111, 0x00000e23 },
1613};
1614
1615/*
1616 * RF value list for RF5222
1617 * Supports: 2.4 GHz & 5.2 GHz
1618 */
1619static const struct rf_channel rf_vals_5222[] = {
1620 { 1, 0x00022020, 0x00001136, 0x00000101, 0x00000a0b },
1621 { 2, 0x00022020, 0x0000113a, 0x00000101, 0x00000a0b },
1622 { 3, 0x00022020, 0x0000113e, 0x00000101, 0x00000a0b },
1623 { 4, 0x00022020, 0x00001182, 0x00000101, 0x00000a0b },
1624 { 5, 0x00022020, 0x00001186, 0x00000101, 0x00000a0b },
1625 { 6, 0x00022020, 0x0000118a, 0x00000101, 0x00000a0b },
1626 { 7, 0x00022020, 0x0000118e, 0x00000101, 0x00000a0b },
1627 { 8, 0x00022020, 0x00001192, 0x00000101, 0x00000a0b },
1628 { 9, 0x00022020, 0x00001196, 0x00000101, 0x00000a0b },
1629 { 10, 0x00022020, 0x0000119a, 0x00000101, 0x00000a0b },
1630 { 11, 0x00022020, 0x0000119e, 0x00000101, 0x00000a0b },
1631 { 12, 0x00022020, 0x000011a2, 0x00000101, 0x00000a0b },
1632 { 13, 0x00022020, 0x000011a6, 0x00000101, 0x00000a0b },
1633 { 14, 0x00022020, 0x000011ae, 0x00000101, 0x00000a1b },
1634
1635 /* 802.11 UNI / HyperLan 2 */
1636 { 36, 0x00022010, 0x00018896, 0x00000101, 0x00000a1f },
1637 { 40, 0x00022010, 0x0001889a, 0x00000101, 0x00000a1f },
1638 { 44, 0x00022010, 0x0001889e, 0x00000101, 0x00000a1f },
1639 { 48, 0x00022010, 0x000188a2, 0x00000101, 0x00000a1f },
1640 { 52, 0x00022010, 0x000188a6, 0x00000101, 0x00000a1f },
1641 { 66, 0x00022010, 0x000188aa, 0x00000101, 0x00000a1f },
1642 { 60, 0x00022010, 0x000188ae, 0x00000101, 0x00000a1f },
1643 { 64, 0x00022010, 0x000188b2, 0x00000101, 0x00000a1f },
1644
1645 /* 802.11 HyperLan 2 */
1646 { 100, 0x00022010, 0x00008802, 0x00000101, 0x00000a0f },
1647 { 104, 0x00022010, 0x00008806, 0x00000101, 0x00000a0f },
1648 { 108, 0x00022010, 0x0000880a, 0x00000101, 0x00000a0f },
1649 { 112, 0x00022010, 0x0000880e, 0x00000101, 0x00000a0f },
1650 { 116, 0x00022010, 0x00008812, 0x00000101, 0x00000a0f },
1651 { 120, 0x00022010, 0x00008816, 0x00000101, 0x00000a0f },
1652 { 124, 0x00022010, 0x0000881a, 0x00000101, 0x00000a0f },
1653 { 128, 0x00022010, 0x0000881e, 0x00000101, 0x00000a0f },
1654 { 132, 0x00022010, 0x00008822, 0x00000101, 0x00000a0f },
1655 { 136, 0x00022010, 0x00008826, 0x00000101, 0x00000a0f },
1656
1657 /* 802.11 UNII */
1658 { 140, 0x00022010, 0x0000882a, 0x00000101, 0x00000a0f },
1659 { 149, 0x00022020, 0x000090a6, 0x00000101, 0x00000a07 },
1660 { 153, 0x00022020, 0x000090ae, 0x00000101, 0x00000a07 },
1661 { 157, 0x00022020, 0x000090b6, 0x00000101, 0x00000a07 },
1662 { 161, 0x00022020, 0x000090be, 0x00000101, 0x00000a07 },
1663};
1664
Ivo van Doorn8c5e7a52008-08-04 16:38:47 +02001665static int rt2500usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001666{
1667 struct hw_mode_spec *spec = &rt2x00dev->spec;
Ivo van Doorn8c5e7a52008-08-04 16:38:47 +02001668 struct channel_info *info;
1669 char *tx_power;
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001670 unsigned int i;
1671
1672 /*
1673 * Initialize all hw fields.
Helmut Schaa5a5b6ed2010-10-02 11:31:33 +02001674 *
1675 * Don't set IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING unless we are
1676 * capable of sending the buffered frames out after the DTIM
1677 * transmission using rt2x00lib_beacondone. This will send out
1678 * multicast and broadcast traffic immediately instead of buffering it
1679 * infinitly and thus dropping it after some time.
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001680 */
1681 rt2x00dev->hw->flags =
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001682 IEEE80211_HW_RX_INCLUDES_FCS |
Johannes Berg4be8c382009-01-07 18:28:20 +01001683 IEEE80211_HW_SIGNAL_DBM |
1684 IEEE80211_HW_SUPPORTS_PS |
1685 IEEE80211_HW_PS_NULLFUNC_STACK;
Bruno Randolf566bfe52008-05-08 19:15:40 +02001686
Gertjan van Wingerde14a3bf82008-06-16 19:55:43 +02001687 SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001688 SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
1689 rt2x00_eeprom_addr(rt2x00dev,
1690 EEPROM_MAC_ADDR_0));
1691
1692 /*
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001693 * Initialize hw_mode information.
1694 */
Ivo van Doorn31562e82008-02-17 17:35:05 +01001695 spec->supported_bands = SUPPORT_BAND_2GHZ;
1696 spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM;
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001697
Gertjan van Wingerde5122d892009-12-23 00:03:25 +01001698 if (rt2x00_rf(rt2x00dev, RF2522)) {
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001699 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2522);
1700 spec->channels = rf_vals_bg_2522;
Gertjan van Wingerde5122d892009-12-23 00:03:25 +01001701 } else if (rt2x00_rf(rt2x00dev, RF2523)) {
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001702 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2523);
1703 spec->channels = rf_vals_bg_2523;
Gertjan van Wingerde5122d892009-12-23 00:03:25 +01001704 } else if (rt2x00_rf(rt2x00dev, RF2524)) {
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001705 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2524);
1706 spec->channels = rf_vals_bg_2524;
Gertjan van Wingerde5122d892009-12-23 00:03:25 +01001707 } else if (rt2x00_rf(rt2x00dev, RF2525)) {
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001708 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2525);
1709 spec->channels = rf_vals_bg_2525;
Gertjan van Wingerde5122d892009-12-23 00:03:25 +01001710 } else if (rt2x00_rf(rt2x00dev, RF2525E)) {
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001711 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2525e);
1712 spec->channels = rf_vals_bg_2525e;
Gertjan van Wingerde5122d892009-12-23 00:03:25 +01001713 } else if (rt2x00_rf(rt2x00dev, RF5222)) {
Ivo van Doorn31562e82008-02-17 17:35:05 +01001714 spec->supported_bands |= SUPPORT_BAND_5GHZ;
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001715 spec->num_channels = ARRAY_SIZE(rf_vals_5222);
1716 spec->channels = rf_vals_5222;
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001717 }
Ivo van Doorn8c5e7a52008-08-04 16:38:47 +02001718
1719 /*
1720 * Create channel information array
1721 */
Joe Perchesbaeb2ff2010-08-11 07:02:48 +00001722 info = kcalloc(spec->num_channels, sizeof(*info), GFP_KERNEL);
Ivo van Doorn8c5e7a52008-08-04 16:38:47 +02001723 if (!info)
1724 return -ENOMEM;
1725
1726 spec->channels_info = info;
1727
1728 tx_power = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_START);
Ivo van Doorn8d1331b2010-08-23 19:56:07 +02001729 for (i = 0; i < 14; i++) {
1730 info[i].max_power = MAX_TXPOWER;
1731 info[i].default_power1 = TXPOWER_FROM_DEV(tx_power[i]);
1732 }
Ivo van Doorn8c5e7a52008-08-04 16:38:47 +02001733
1734 if (spec->num_channels > 14) {
Ivo van Doorn8d1331b2010-08-23 19:56:07 +02001735 for (i = 14; i < spec->num_channels; i++) {
1736 info[i].max_power = MAX_TXPOWER;
1737 info[i].default_power1 = DEFAULT_TXPOWER;
1738 }
Ivo van Doorn8c5e7a52008-08-04 16:38:47 +02001739 }
1740
1741 return 0;
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001742}
1743
1744static int rt2500usb_probe_hw(struct rt2x00_dev *rt2x00dev)
1745{
1746 int retval;
1747
1748 /*
1749 * Allocate eeprom data.
1750 */
1751 retval = rt2500usb_validate_eeprom(rt2x00dev);
1752 if (retval)
1753 return retval;
1754
1755 retval = rt2500usb_init_eeprom(rt2x00dev);
1756 if (retval)
1757 return retval;
1758
1759 /*
1760 * Initialize hw specifications.
1761 */
Ivo van Doorn8c5e7a52008-08-04 16:38:47 +02001762 retval = rt2500usb_probe_hw_mode(rt2x00dev);
1763 if (retval)
1764 return retval;
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001765
1766 /*
Ivo van Doorn181d6902008-02-05 16:42:23 -05001767 * This device requires the atim queue
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001768 */
Ivo van Doorn181d6902008-02-05 16:42:23 -05001769 __set_bit(DRIVER_REQUIRE_ATIM_QUEUE, &rt2x00dev->flags);
1770 __set_bit(DRIVER_REQUIRE_BEACON_GUARD, &rt2x00dev->flags);
Ivo van Doorndddfb472008-12-02 18:20:42 +01001771 if (!modparam_nohwcrypt) {
1772 __set_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags);
Ivo van Doorn3f787bd2008-12-20 10:56:36 +01001773 __set_bit(DRIVER_REQUIRE_COPY_IV, &rt2x00dev->flags);
Ivo van Doorndddfb472008-12-02 18:20:42 +01001774 }
Ivo van Doornc965c742010-07-11 12:25:46 +02001775 __set_bit(DRIVER_SUPPORT_WATCHDOG, &rt2x00dev->flags);
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001776
1777 /*
1778 * Set the rssi offset.
1779 */
1780 rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
1781
1782 return 0;
1783}
1784
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001785static const struct ieee80211_ops rt2500usb_mac80211_ops = {
1786 .tx = rt2x00mac_tx,
Johannes Berg4150c572007-09-17 01:29:23 -04001787 .start = rt2x00mac_start,
1788 .stop = rt2x00mac_stop,
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001789 .add_interface = rt2x00mac_add_interface,
1790 .remove_interface = rt2x00mac_remove_interface,
1791 .config = rt2x00mac_config,
Ivo van Doorn3a643d22008-03-25 14:13:18 +01001792 .configure_filter = rt2x00mac_configure_filter,
Stefan Steuerwald930c06f2009-07-10 20:42:55 +02001793 .set_tim = rt2x00mac_set_tim,
Ivo van Doorndddfb472008-12-02 18:20:42 +01001794 .set_key = rt2x00mac_set_key,
Ivo van Doornd8147f92010-07-11 12:24:47 +02001795 .sw_scan_start = rt2x00mac_sw_scan_start,
1796 .sw_scan_complete = rt2x00mac_sw_scan_complete,
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001797 .get_stats = rt2x00mac_get_stats,
Johannes Berg471b3ef2007-12-28 14:32:58 +01001798 .bss_info_changed = rt2x00mac_bss_info_changed,
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001799 .conf_tx = rt2x00mac_conf_tx,
Ivo van Doorne47a5cd2009-07-01 15:17:35 +02001800 .rfkill_poll = rt2x00mac_rfkill_poll,
Ivo van Doornf44df182010-11-04 20:40:11 +01001801 .flush = rt2x00mac_flush,
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001802};
1803
1804static const struct rt2x00lib_ops rt2500usb_rt2x00_ops = {
1805 .probe_hw = rt2500usb_probe_hw,
1806 .initialize = rt2x00usb_initialize,
1807 .uninitialize = rt2x00usb_uninitialize,
Ivo van Doorn798b7ad2008-11-08 15:25:33 +01001808 .clear_entry = rt2x00usb_clear_entry,
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001809 .set_device_state = rt2500usb_set_device_state,
Ivo van Doorn7396faf2008-12-20 10:55:57 +01001810 .rfkill_poll = rt2500usb_rfkill_poll,
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001811 .link_stats = rt2500usb_link_stats,
1812 .reset_tuner = rt2500usb_reset_tuner,
Ivo van Doornc965c742010-07-11 12:25:46 +02001813 .watchdog = rt2x00usb_watchdog,
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001814 .write_tx_desc = rt2500usb_write_tx_desc,
Ivo van Doornbd88a782008-07-09 15:12:44 +02001815 .write_beacon = rt2500usb_write_beacon,
Ivo van Doorndd9fa2d2007-10-06 14:15:46 +02001816 .get_tx_data_len = rt2500usb_get_tx_data_len,
Gertjan van Wingerded61cb262010-05-08 23:40:24 +02001817 .kick_tx_queue = rt2x00usb_kick_tx_queue,
Ivo van Doorn0e3afe52010-08-30 21:14:56 +02001818 .kill_tx_queue = rt2500usb_kill_tx_queue,
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001819 .fill_rxdone = rt2500usb_fill_rxdone,
Ivo van Doorndddfb472008-12-02 18:20:42 +01001820 .config_shared_key = rt2500usb_config_key,
1821 .config_pairwise_key = rt2500usb_config_key,
Ivo van Doorn3a643d22008-03-25 14:13:18 +01001822 .config_filter = rt2500usb_config_filter,
Ivo van Doorn6bb40dd2008-02-03 15:49:59 +01001823 .config_intf = rt2500usb_config_intf,
Ivo van Doorn72810372008-03-09 22:46:18 +01001824 .config_erp = rt2500usb_config_erp,
Ivo van Doorne4ea1c42008-10-29 17:17:57 +01001825 .config_ant = rt2500usb_config_ant,
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001826 .config = rt2500usb_config,
1827};
1828
Ivo van Doorn181d6902008-02-05 16:42:23 -05001829static const struct data_queue_desc rt2500usb_queue_rx = {
Helmut Schaaefd2f272010-11-04 20:37:22 +01001830 .entry_num = 32,
Ivo van Doorn181d6902008-02-05 16:42:23 -05001831 .data_size = DATA_FRAME_SIZE,
1832 .desc_size = RXD_DESC_SIZE,
Ivo van Doornb8be63f2008-05-10 13:46:03 +02001833 .priv_size = sizeof(struct queue_entry_priv_usb),
Ivo van Doorn181d6902008-02-05 16:42:23 -05001834};
1835
1836static const struct data_queue_desc rt2500usb_queue_tx = {
Helmut Schaaefd2f272010-11-04 20:37:22 +01001837 .entry_num = 32,
Ivo van Doorn181d6902008-02-05 16:42:23 -05001838 .data_size = DATA_FRAME_SIZE,
1839 .desc_size = TXD_DESC_SIZE,
Ivo van Doornb8be63f2008-05-10 13:46:03 +02001840 .priv_size = sizeof(struct queue_entry_priv_usb),
Ivo van Doorn181d6902008-02-05 16:42:23 -05001841};
1842
1843static const struct data_queue_desc rt2500usb_queue_bcn = {
Helmut Schaaefd2f272010-11-04 20:37:22 +01001844 .entry_num = 1,
Ivo van Doorn181d6902008-02-05 16:42:23 -05001845 .data_size = MGMT_FRAME_SIZE,
1846 .desc_size = TXD_DESC_SIZE,
1847 .priv_size = sizeof(struct queue_entry_priv_usb_bcn),
1848};
1849
1850static const struct data_queue_desc rt2500usb_queue_atim = {
Helmut Schaaefd2f272010-11-04 20:37:22 +01001851 .entry_num = 8,
Ivo van Doorn181d6902008-02-05 16:42:23 -05001852 .data_size = DATA_FRAME_SIZE,
1853 .desc_size = TXD_DESC_SIZE,
Ivo van Doornb8be63f2008-05-10 13:46:03 +02001854 .priv_size = sizeof(struct queue_entry_priv_usb),
Ivo van Doorn181d6902008-02-05 16:42:23 -05001855};
1856
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001857static const struct rt2x00_ops rt2500usb_ops = {
Gertjan van Wingerde04d03622009-11-23 22:44:51 +01001858 .name = KBUILD_MODNAME,
1859 .max_sta_intf = 1,
1860 .max_ap_intf = 1,
1861 .eeprom_size = EEPROM_SIZE,
1862 .rf_size = RF_SIZE,
1863 .tx_queues = NUM_TX_QUEUES,
Gertjan van Wingerdee6218cc2009-11-23 22:44:52 +01001864 .extra_tx_headroom = TXD_DESC_SIZE,
Gertjan van Wingerde04d03622009-11-23 22:44:51 +01001865 .rx = &rt2500usb_queue_rx,
1866 .tx = &rt2500usb_queue_tx,
1867 .bcn = &rt2500usb_queue_bcn,
1868 .atim = &rt2500usb_queue_atim,
1869 .lib = &rt2500usb_rt2x00_ops,
1870 .hw = &rt2500usb_mac80211_ops,
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001871#ifdef CONFIG_RT2X00_LIB_DEBUGFS
Gertjan van Wingerde04d03622009-11-23 22:44:51 +01001872 .debugfs = &rt2500usb_rt2x00debug,
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001873#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
1874};
1875
1876/*
1877 * rt2500usb module information.
1878 */
1879static struct usb_device_id rt2500usb_device_table[] = {
1880 /* ASUS */
1881 { USB_DEVICE(0x0b05, 0x1706), USB_DEVICE_DATA(&rt2500usb_ops) },
1882 { USB_DEVICE(0x0b05, 0x1707), USB_DEVICE_DATA(&rt2500usb_ops) },
1883 /* Belkin */
1884 { USB_DEVICE(0x050d, 0x7050), USB_DEVICE_DATA(&rt2500usb_ops) },
1885 { USB_DEVICE(0x050d, 0x7051), USB_DEVICE_DATA(&rt2500usb_ops) },
1886 { USB_DEVICE(0x050d, 0x705a), USB_DEVICE_DATA(&rt2500usb_ops) },
1887 /* Cisco Systems */
1888 { USB_DEVICE(0x13b1, 0x000d), USB_DEVICE_DATA(&rt2500usb_ops) },
1889 { USB_DEVICE(0x13b1, 0x0011), USB_DEVICE_DATA(&rt2500usb_ops) },
1890 { USB_DEVICE(0x13b1, 0x001a), USB_DEVICE_DATA(&rt2500usb_ops) },
Xose Vazquez Perez9eb77ab2009-02-28 00:26:09 +01001891 /* CNet */
1892 { USB_DEVICE(0x1371, 0x9022), USB_DEVICE_DATA(&rt2500usb_ops) },
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001893 /* Conceptronic */
1894 { USB_DEVICE(0x14b2, 0x3c02), USB_DEVICE_DATA(&rt2500usb_ops) },
1895 /* D-LINK */
1896 { USB_DEVICE(0x2001, 0x3c00), USB_DEVICE_DATA(&rt2500usb_ops) },
1897 /* Gigabyte */
1898 { USB_DEVICE(0x1044, 0x8001), USB_DEVICE_DATA(&rt2500usb_ops) },
1899 { USB_DEVICE(0x1044, 0x8007), USB_DEVICE_DATA(&rt2500usb_ops) },
1900 /* Hercules */
1901 { USB_DEVICE(0x06f8, 0xe000), USB_DEVICE_DATA(&rt2500usb_ops) },
1902 /* Melco */
Ivo van Doorndb433fe2008-02-10 11:21:57 +01001903 { USB_DEVICE(0x0411, 0x005e), USB_DEVICE_DATA(&rt2500usb_ops) },
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001904 { USB_DEVICE(0x0411, 0x0066), USB_DEVICE_DATA(&rt2500usb_ops) },
1905 { USB_DEVICE(0x0411, 0x0067), USB_DEVICE_DATA(&rt2500usb_ops) },
1906 { USB_DEVICE(0x0411, 0x008b), USB_DEVICE_DATA(&rt2500usb_ops) },
1907 { USB_DEVICE(0x0411, 0x0097), USB_DEVICE_DATA(&rt2500usb_ops) },
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001908 /* MSI */
1909 { USB_DEVICE(0x0db0, 0x6861), USB_DEVICE_DATA(&rt2500usb_ops) },
1910 { USB_DEVICE(0x0db0, 0x6865), USB_DEVICE_DATA(&rt2500usb_ops) },
1911 { USB_DEVICE(0x0db0, 0x6869), USB_DEVICE_DATA(&rt2500usb_ops) },
1912 /* Ralink */
1913 { USB_DEVICE(0x148f, 0x1706), USB_DEVICE_DATA(&rt2500usb_ops) },
1914 { USB_DEVICE(0x148f, 0x2570), USB_DEVICE_DATA(&rt2500usb_ops) },
1915 { USB_DEVICE(0x148f, 0x2573), USB_DEVICE_DATA(&rt2500usb_ops) },
1916 { USB_DEVICE(0x148f, 0x9020), USB_DEVICE_DATA(&rt2500usb_ops) },
Xose Vazquez Perez9eb77ab2009-02-28 00:26:09 +01001917 /* Sagem */
1918 { USB_DEVICE(0x079b, 0x004b), USB_DEVICE_DATA(&rt2500usb_ops) },
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001919 /* Siemens */
1920 { USB_DEVICE(0x0681, 0x3c06), USB_DEVICE_DATA(&rt2500usb_ops) },
1921 /* SMC */
1922 { USB_DEVICE(0x0707, 0xee13), USB_DEVICE_DATA(&rt2500usb_ops) },
1923 /* Spairon */
1924 { USB_DEVICE(0x114b, 0x0110), USB_DEVICE_DATA(&rt2500usb_ops) },
Xose Vazquez Perez9eb77ab2009-02-28 00:26:09 +01001925 /* SURECOM */
1926 { USB_DEVICE(0x0769, 0x11f3), USB_DEVICE_DATA(&rt2500usb_ops) },
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001927 /* Trust */
1928 { USB_DEVICE(0x0eb0, 0x9020), USB_DEVICE_DATA(&rt2500usb_ops) },
Xose Vazquez Perez9eb77ab2009-02-28 00:26:09 +01001929 /* VTech */
1930 { USB_DEVICE(0x0f88, 0x3012), USB_DEVICE_DATA(&rt2500usb_ops) },
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001931 /* Zinwell */
1932 { USB_DEVICE(0x5a57, 0x0260), USB_DEVICE_DATA(&rt2500usb_ops) },
1933 { 0, }
1934};
1935
1936MODULE_AUTHOR(DRV_PROJECT);
1937MODULE_VERSION(DRV_VERSION);
1938MODULE_DESCRIPTION("Ralink RT2500 USB Wireless LAN driver.");
1939MODULE_SUPPORTED_DEVICE("Ralink RT2570 USB chipset based cards");
1940MODULE_DEVICE_TABLE(usb, rt2500usb_device_table);
1941MODULE_LICENSE("GPL");
1942
1943static struct usb_driver rt2500usb_driver = {
Ivo van Doorn23601572007-11-27 21:47:34 +01001944 .name = KBUILD_MODNAME,
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001945 .id_table = rt2500usb_device_table,
1946 .probe = rt2x00usb_probe,
1947 .disconnect = rt2x00usb_disconnect,
1948 .suspend = rt2x00usb_suspend,
1949 .resume = rt2x00usb_resume,
1950};
1951
1952static int __init rt2500usb_init(void)
1953{
1954 return usb_register(&rt2500usb_driver);
1955}
1956
1957static void __exit rt2500usb_exit(void)
1958{
1959 usb_deregister(&rt2500usb_driver);
1960}
1961
1962module_init(rt2500usb_init);
1963module_exit(rt2500usb_exit);