]> bbs.cooldavid.org Git - net-next-2.6.git/blame - drivers/net/wireless/rt2x00/rt2800lib.c
rt2x00: Add rt3090 support in rt2800 register initialization.
[net-next-2.6.git] / drivers / net / wireless / rt2x00 / rt2800lib.c
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89297425 1/*
9c9a0d14 2 Copyright (C) 2009 Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
cce5fc45 3 Copyright (C) 2009 Gertjan van Wingerde <gwingerde@gmail.com>
89297425 4
9c9a0d14
GW
5 Based on the original rt2800pci.c and rt2800usb.c.
6 Copyright (C) 2009 Ivo van Doorn <IvDoorn@gmail.com>
7 Copyright (C) 2009 Alban Browaeys <prahal@yahoo.com>
8 Copyright (C) 2009 Felix Fietkau <nbd@openwrt.org>
9 Copyright (C) 2009 Luis Correia <luis.f.correia@gmail.com>
10 Copyright (C) 2009 Mattias Nissler <mattias.nissler@gmx.de>
11 Copyright (C) 2009 Mark Asselstine <asselsm@gmail.com>
12 Copyright (C) 2009 Xose Vazquez Perez <xose.vazquez@gmail.com>
89297425
BZ
13 <http://rt2x00.serialmonkey.com>
14
15 This program is free software; you can redistribute it and/or modify
16 it under the terms of the GNU General Public License as published by
17 the Free Software Foundation; either version 2 of the License, or
18 (at your option) any later version.
19
20 This program is distributed in the hope that it will be useful,
21 but WITHOUT ANY WARRANTY; without even the implied warranty of
22 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 GNU General Public License for more details.
24
25 You should have received a copy of the GNU General Public License
26 along with this program; if not, write to the
27 Free Software Foundation, Inc.,
28 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
29 */
30
31/*
32 Module: rt2800lib
33 Abstract: rt2800 generic device routines.
34 */
35
36#include <linux/kernel.h>
37#include <linux/module.h>
38
39#include "rt2x00.h"
ac394917 40#if defined(CONFIG_RT2X00_LIB_USB) || defined(CONFIG_RT2X00_LIB_USB_MODULE)
fcf51541
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41#include "rt2x00usb.h"
42#endif
714fa663
GW
43#if defined(CONFIG_RT2X00_LIB_PCI) || defined(CONFIG_RT2X00_LIB_PCI_MODULE)
44#include "rt2x00pci.h"
45#endif
89297425
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46#include "rt2800lib.h"
47#include "rt2800.h"
fcf51541 48#include "rt2800usb.h"
89297425
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49
50MODULE_AUTHOR("Bartlomiej Zolnierkiewicz");
51MODULE_DESCRIPTION("rt2800 library");
52MODULE_LICENSE("GPL");
53
54/*
55 * Register access.
56 * All access to the CSR registers will go through the methods
57 * rt2800_register_read and rt2800_register_write.
58 * BBP and RF register require indirect register access,
59 * and use the CSR registers BBPCSR and RFCSR to achieve this.
60 * These indirect registers work with busy bits,
61 * and we will try maximal REGISTER_BUSY_COUNT times to access
62 * the register while taking a REGISTER_BUSY_DELAY us delay
63 * between each attampt. When the busy bit is still set at that time,
64 * the access attempt is considered to have failed,
65 * and we will print an error.
66 * The _lock versions must be used if you already hold the csr_mutex
67 */
68#define WAIT_FOR_BBP(__dev, __reg) \
69 rt2800_regbusy_read((__dev), BBP_CSR_CFG, BBP_CSR_CFG_BUSY, (__reg))
70#define WAIT_FOR_RFCSR(__dev, __reg) \
71 rt2800_regbusy_read((__dev), RF_CSR_CFG, RF_CSR_CFG_BUSY, (__reg))
72#define WAIT_FOR_RF(__dev, __reg) \
73 rt2800_regbusy_read((__dev), RF_CSR_CFG0, RF_CSR_CFG0_BUSY, (__reg))
74#define WAIT_FOR_MCU(__dev, __reg) \
75 rt2800_regbusy_read((__dev), H2M_MAILBOX_CSR, \
76 H2M_MAILBOX_CSR_OWNER, (__reg))
77
fcf51541
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78static void rt2800_bbp_write(struct rt2x00_dev *rt2x00dev,
79 const unsigned int word, const u8 value)
89297425
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80{
81 u32 reg;
82
83 mutex_lock(&rt2x00dev->csr_mutex);
84
85 /*
86 * Wait until the BBP becomes available, afterwards we
87 * can safely write the new data into the register.
88 */
89 if (WAIT_FOR_BBP(rt2x00dev, &reg)) {
90 reg = 0;
91 rt2x00_set_field32(&reg, BBP_CSR_CFG_VALUE, value);
92 rt2x00_set_field32(&reg, BBP_CSR_CFG_REGNUM, word);
93 rt2x00_set_field32(&reg, BBP_CSR_CFG_BUSY, 1);
94 rt2x00_set_field32(&reg, BBP_CSR_CFG_READ_CONTROL, 0);
cea90e55 95 if (rt2x00_is_pci(rt2x00dev) || rt2x00_is_soc(rt2x00dev))
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96 rt2x00_set_field32(&reg, BBP_CSR_CFG_BBP_RW_MODE, 1);
97
98 rt2800_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg);
99 }
100
101 mutex_unlock(&rt2x00dev->csr_mutex);
102}
89297425 103
fcf51541
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104static void rt2800_bbp_read(struct rt2x00_dev *rt2x00dev,
105 const unsigned int word, u8 *value)
89297425
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106{
107 u32 reg;
108
109 mutex_lock(&rt2x00dev->csr_mutex);
110
111 /*
112 * Wait until the BBP becomes available, afterwards we
113 * can safely write the read request into the register.
114 * After the data has been written, we wait until hardware
115 * returns the correct value, if at any time the register
116 * doesn't become available in time, reg will be 0xffffffff
117 * which means we return 0xff to the caller.
118 */
119 if (WAIT_FOR_BBP(rt2x00dev, &reg)) {
120 reg = 0;
121 rt2x00_set_field32(&reg, BBP_CSR_CFG_REGNUM, word);
122 rt2x00_set_field32(&reg, BBP_CSR_CFG_BUSY, 1);
123 rt2x00_set_field32(&reg, BBP_CSR_CFG_READ_CONTROL, 1);
cea90e55 124 if (rt2x00_is_pci(rt2x00dev) || rt2x00_is_soc(rt2x00dev))
89297425
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125 rt2x00_set_field32(&reg, BBP_CSR_CFG_BBP_RW_MODE, 1);
126
127 rt2800_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg);
128
129 WAIT_FOR_BBP(rt2x00dev, &reg);
130 }
131
132 *value = rt2x00_get_field32(reg, BBP_CSR_CFG_VALUE);
133
134 mutex_unlock(&rt2x00dev->csr_mutex);
135}
89297425 136
fcf51541
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137static void rt2800_rfcsr_write(struct rt2x00_dev *rt2x00dev,
138 const unsigned int word, const u8 value)
89297425
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139{
140 u32 reg;
141
142 mutex_lock(&rt2x00dev->csr_mutex);
143
144 /*
145 * Wait until the RFCSR becomes available, afterwards we
146 * can safely write the new data into the register.
147 */
148 if (WAIT_FOR_RFCSR(rt2x00dev, &reg)) {
149 reg = 0;
150 rt2x00_set_field32(&reg, RF_CSR_CFG_DATA, value);
151 rt2x00_set_field32(&reg, RF_CSR_CFG_REGNUM, word);
152 rt2x00_set_field32(&reg, RF_CSR_CFG_WRITE, 1);
153 rt2x00_set_field32(&reg, RF_CSR_CFG_BUSY, 1);
154
155 rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg);
156 }
157
158 mutex_unlock(&rt2x00dev->csr_mutex);
159}
89297425 160
fcf51541
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161static void rt2800_rfcsr_read(struct rt2x00_dev *rt2x00dev,
162 const unsigned int word, u8 *value)
89297425
BZ
163{
164 u32 reg;
165
166 mutex_lock(&rt2x00dev->csr_mutex);
167
168 /*
169 * Wait until the RFCSR becomes available, afterwards we
170 * can safely write the read request into the register.
171 * After the data has been written, we wait until hardware
172 * returns the correct value, if at any time the register
173 * doesn't become available in time, reg will be 0xffffffff
174 * which means we return 0xff to the caller.
175 */
176 if (WAIT_FOR_RFCSR(rt2x00dev, &reg)) {
177 reg = 0;
178 rt2x00_set_field32(&reg, RF_CSR_CFG_REGNUM, word);
179 rt2x00_set_field32(&reg, RF_CSR_CFG_WRITE, 0);
180 rt2x00_set_field32(&reg, RF_CSR_CFG_BUSY, 1);
181
182 rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg);
183
184 WAIT_FOR_RFCSR(rt2x00dev, &reg);
185 }
186
187 *value = rt2x00_get_field32(reg, RF_CSR_CFG_DATA);
188
189 mutex_unlock(&rt2x00dev->csr_mutex);
190}
89297425 191
fcf51541
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192static void rt2800_rf_write(struct rt2x00_dev *rt2x00dev,
193 const unsigned int word, const u32 value)
89297425
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194{
195 u32 reg;
196
197 mutex_lock(&rt2x00dev->csr_mutex);
198
199 /*
200 * Wait until the RF becomes available, afterwards we
201 * can safely write the new data into the register.
202 */
203 if (WAIT_FOR_RF(rt2x00dev, &reg)) {
204 reg = 0;
205 rt2x00_set_field32(&reg, RF_CSR_CFG0_REG_VALUE_BW, value);
206 rt2x00_set_field32(&reg, RF_CSR_CFG0_STANDBYMODE, 0);
207 rt2x00_set_field32(&reg, RF_CSR_CFG0_SEL, 0);
208 rt2x00_set_field32(&reg, RF_CSR_CFG0_BUSY, 1);
209
210 rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG0, reg);
211 rt2x00_rf_write(rt2x00dev, word, value);
212 }
213
214 mutex_unlock(&rt2x00dev->csr_mutex);
215}
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216
217void rt2800_mcu_request(struct rt2x00_dev *rt2x00dev,
218 const u8 command, const u8 token,
219 const u8 arg0, const u8 arg1)
220{
221 u32 reg;
222
ee303e54 223 /*
cea90e55 224 * SOC devices don't support MCU requests.
ee303e54 225 */
cea90e55 226 if (rt2x00_is_soc(rt2x00dev))
ee303e54 227 return;
89297425
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228
229 mutex_lock(&rt2x00dev->csr_mutex);
230
231 /*
232 * Wait until the MCU becomes available, afterwards we
233 * can safely write the new data into the register.
234 */
235 if (WAIT_FOR_MCU(rt2x00dev, &reg)) {
236 rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_OWNER, 1);
237 rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_CMD_TOKEN, token);
238 rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_ARG0, arg0);
239 rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_ARG1, arg1);
240 rt2800_register_write_lock(rt2x00dev, H2M_MAILBOX_CSR, reg);
241
242 reg = 0;
243 rt2x00_set_field32(&reg, HOST_CMD_CSR_HOST_COMMAND, command);
244 rt2800_register_write_lock(rt2x00dev, HOST_CMD_CSR, reg);
245 }
246
247 mutex_unlock(&rt2x00dev->csr_mutex);
248}
249EXPORT_SYMBOL_GPL(rt2800_mcu_request);
f4450616 250
67a4c1e2
GW
251int rt2800_wait_wpdma_ready(struct rt2x00_dev *rt2x00dev)
252{
253 unsigned int i;
254 u32 reg;
255
256 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
257 rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
258 if (!rt2x00_get_field32(reg, WPDMA_GLO_CFG_TX_DMA_BUSY) &&
259 !rt2x00_get_field32(reg, WPDMA_GLO_CFG_RX_DMA_BUSY))
260 return 0;
261
262 msleep(1);
263 }
264
265 ERROR(rt2x00dev, "WPDMA TX/RX busy, aborting.\n");
266 return -EACCES;
267}
268EXPORT_SYMBOL_GPL(rt2800_wait_wpdma_ready);
269
f4450616
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270#ifdef CONFIG_RT2X00_LIB_DEBUGFS
271const struct rt2x00debug rt2800_rt2x00debug = {
272 .owner = THIS_MODULE,
273 .csr = {
274 .read = rt2800_register_read,
275 .write = rt2800_register_write,
276 .flags = RT2X00DEBUGFS_OFFSET,
277 .word_base = CSR_REG_BASE,
278 .word_size = sizeof(u32),
279 .word_count = CSR_REG_SIZE / sizeof(u32),
280 },
281 .eeprom = {
282 .read = rt2x00_eeprom_read,
283 .write = rt2x00_eeprom_write,
284 .word_base = EEPROM_BASE,
285 .word_size = sizeof(u16),
286 .word_count = EEPROM_SIZE / sizeof(u16),
287 },
288 .bbp = {
289 .read = rt2800_bbp_read,
290 .write = rt2800_bbp_write,
291 .word_base = BBP_BASE,
292 .word_size = sizeof(u8),
293 .word_count = BBP_SIZE / sizeof(u8),
294 },
295 .rf = {
296 .read = rt2x00_rf_read,
297 .write = rt2800_rf_write,
298 .word_base = RF_BASE,
299 .word_size = sizeof(u32),
300 .word_count = RF_SIZE / sizeof(u32),
301 },
302};
303EXPORT_SYMBOL_GPL(rt2800_rt2x00debug);
304#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
305
306int rt2800_rfkill_poll(struct rt2x00_dev *rt2x00dev)
307{
308 u32 reg;
309
310 rt2800_register_read(rt2x00dev, GPIO_CTRL_CFG, &reg);
311 return rt2x00_get_field32(reg, GPIO_CTRL_CFG_BIT2);
312}
313EXPORT_SYMBOL_GPL(rt2800_rfkill_poll);
314
315#ifdef CONFIG_RT2X00_LIB_LEDS
316static void rt2800_brightness_set(struct led_classdev *led_cdev,
317 enum led_brightness brightness)
318{
319 struct rt2x00_led *led =
320 container_of(led_cdev, struct rt2x00_led, led_dev);
321 unsigned int enabled = brightness != LED_OFF;
322 unsigned int bg_mode =
323 (enabled && led->rt2x00dev->curr_band == IEEE80211_BAND_2GHZ);
324 unsigned int polarity =
325 rt2x00_get_field16(led->rt2x00dev->led_mcu_reg,
326 EEPROM_FREQ_LED_POLARITY);
327 unsigned int ledmode =
328 rt2x00_get_field16(led->rt2x00dev->led_mcu_reg,
329 EEPROM_FREQ_LED_MODE);
330
331 if (led->type == LED_TYPE_RADIO) {
332 rt2800_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
333 enabled ? 0x20 : 0);
334 } else if (led->type == LED_TYPE_ASSOC) {
335 rt2800_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
336 enabled ? (bg_mode ? 0x60 : 0xa0) : 0x20);
337 } else if (led->type == LED_TYPE_QUALITY) {
338 /*
339 * The brightness is divided into 6 levels (0 - 5),
340 * The specs tell us the following levels:
341 * 0, 1 ,3, 7, 15, 31
342 * to determine the level in a simple way we can simply
343 * work with bitshifting:
344 * (1 << level) - 1
345 */
346 rt2800_mcu_request(led->rt2x00dev, MCU_LED_STRENGTH, 0xff,
347 (1 << brightness / (LED_FULL / 6)) - 1,
348 polarity);
349 }
350}
351
352static int rt2800_blink_set(struct led_classdev *led_cdev,
353 unsigned long *delay_on, unsigned long *delay_off)
354{
355 struct rt2x00_led *led =
356 container_of(led_cdev, struct rt2x00_led, led_dev);
357 u32 reg;
358
359 rt2800_register_read(led->rt2x00dev, LED_CFG, &reg);
360 rt2x00_set_field32(&reg, LED_CFG_ON_PERIOD, *delay_on);
361 rt2x00_set_field32(&reg, LED_CFG_OFF_PERIOD, *delay_off);
f4450616
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362 rt2800_register_write(led->rt2x00dev, LED_CFG, reg);
363
364 return 0;
365}
366
b3579d6a 367static void rt2800_init_led(struct rt2x00_dev *rt2x00dev,
f4450616
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368 struct rt2x00_led *led, enum led_type type)
369{
370 led->rt2x00dev = rt2x00dev;
371 led->type = type;
372 led->led_dev.brightness_set = rt2800_brightness_set;
373 led->led_dev.blink_set = rt2800_blink_set;
374 led->flags = LED_INITIALIZED;
375}
f4450616
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376#endif /* CONFIG_RT2X00_LIB_LEDS */
377
378/*
379 * Configuration handlers.
380 */
381static void rt2800_config_wcid_attr(struct rt2x00_dev *rt2x00dev,
382 struct rt2x00lib_crypto *crypto,
383 struct ieee80211_key_conf *key)
384{
385 struct mac_wcid_entry wcid_entry;
386 struct mac_iveiv_entry iveiv_entry;
387 u32 offset;
388 u32 reg;
389
390 offset = MAC_WCID_ATTR_ENTRY(key->hw_key_idx);
391
392 rt2800_register_read(rt2x00dev, offset, &reg);
393 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_KEYTAB,
394 !!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE));
395 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_CIPHER,
396 (crypto->cmd == SET_KEY) * crypto->cipher);
397 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_BSS_IDX,
398 (crypto->cmd == SET_KEY) * crypto->bssidx);
399 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_RX_WIUDF, crypto->cipher);
400 rt2800_register_write(rt2x00dev, offset, reg);
401
402 offset = MAC_IVEIV_ENTRY(key->hw_key_idx);
403
404 memset(&iveiv_entry, 0, sizeof(iveiv_entry));
405 if ((crypto->cipher == CIPHER_TKIP) ||
406 (crypto->cipher == CIPHER_TKIP_NO_MIC) ||
407 (crypto->cipher == CIPHER_AES))
408 iveiv_entry.iv[3] |= 0x20;
409 iveiv_entry.iv[3] |= key->keyidx << 6;
410 rt2800_register_multiwrite(rt2x00dev, offset,
411 &iveiv_entry, sizeof(iveiv_entry));
412
413 offset = MAC_WCID_ENTRY(key->hw_key_idx);
414
415 memset(&wcid_entry, 0, sizeof(wcid_entry));
416 if (crypto->cmd == SET_KEY)
417 memcpy(&wcid_entry, crypto->address, ETH_ALEN);
418 rt2800_register_multiwrite(rt2x00dev, offset,
419 &wcid_entry, sizeof(wcid_entry));
420}
421
422int rt2800_config_shared_key(struct rt2x00_dev *rt2x00dev,
423 struct rt2x00lib_crypto *crypto,
424 struct ieee80211_key_conf *key)
425{
426 struct hw_key_entry key_entry;
427 struct rt2x00_field32 field;
428 u32 offset;
429 u32 reg;
430
431 if (crypto->cmd == SET_KEY) {
432 key->hw_key_idx = (4 * crypto->bssidx) + key->keyidx;
433
434 memcpy(key_entry.key, crypto->key,
435 sizeof(key_entry.key));
436 memcpy(key_entry.tx_mic, crypto->tx_mic,
437 sizeof(key_entry.tx_mic));
438 memcpy(key_entry.rx_mic, crypto->rx_mic,
439 sizeof(key_entry.rx_mic));
440
441 offset = SHARED_KEY_ENTRY(key->hw_key_idx);
442 rt2800_register_multiwrite(rt2x00dev, offset,
443 &key_entry, sizeof(key_entry));
444 }
445
446 /*
447 * The cipher types are stored over multiple registers
448 * starting with SHARED_KEY_MODE_BASE each word will have
449 * 32 bits and contains the cipher types for 2 bssidx each.
450 * Using the correct defines correctly will cause overhead,
451 * so just calculate the correct offset.
452 */
453 field.bit_offset = 4 * (key->hw_key_idx % 8);
454 field.bit_mask = 0x7 << field.bit_offset;
455
456 offset = SHARED_KEY_MODE_ENTRY(key->hw_key_idx / 8);
457
458 rt2800_register_read(rt2x00dev, offset, &reg);
459 rt2x00_set_field32(&reg, field,
460 (crypto->cmd == SET_KEY) * crypto->cipher);
461 rt2800_register_write(rt2x00dev, offset, reg);
462
463 /*
464 * Update WCID information
465 */
466 rt2800_config_wcid_attr(rt2x00dev, crypto, key);
467
468 return 0;
469}
470EXPORT_SYMBOL_GPL(rt2800_config_shared_key);
471
472int rt2800_config_pairwise_key(struct rt2x00_dev *rt2x00dev,
473 struct rt2x00lib_crypto *crypto,
474 struct ieee80211_key_conf *key)
475{
476 struct hw_key_entry key_entry;
477 u32 offset;
478
479 if (crypto->cmd == SET_KEY) {
480 /*
481 * 1 pairwise key is possible per AID, this means that the AID
482 * equals our hw_key_idx. Make sure the WCID starts _after_ the
483 * last possible shared key entry.
484 */
485 if (crypto->aid > (256 - 32))
486 return -ENOSPC;
487
488 key->hw_key_idx = 32 + crypto->aid;
489
490 memcpy(key_entry.key, crypto->key,
491 sizeof(key_entry.key));
492 memcpy(key_entry.tx_mic, crypto->tx_mic,
493 sizeof(key_entry.tx_mic));
494 memcpy(key_entry.rx_mic, crypto->rx_mic,
495 sizeof(key_entry.rx_mic));
496
497 offset = PAIRWISE_KEY_ENTRY(key->hw_key_idx);
498 rt2800_register_multiwrite(rt2x00dev, offset,
499 &key_entry, sizeof(key_entry));
500 }
501
502 /*
503 * Update WCID information
504 */
505 rt2800_config_wcid_attr(rt2x00dev, crypto, key);
506
507 return 0;
508}
509EXPORT_SYMBOL_GPL(rt2800_config_pairwise_key);
510
511void rt2800_config_filter(struct rt2x00_dev *rt2x00dev,
512 const unsigned int filter_flags)
513{
514 u32 reg;
515
516 /*
517 * Start configuration steps.
518 * Note that the version error will always be dropped
519 * and broadcast frames will always be accepted since
520 * there is no filter for it at this time.
521 */
522 rt2800_register_read(rt2x00dev, RX_FILTER_CFG, &reg);
523 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CRC_ERROR,
524 !(filter_flags & FIF_FCSFAIL));
525 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_PHY_ERROR,
526 !(filter_flags & FIF_PLCPFAIL));
527 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_NOT_TO_ME,
528 !(filter_flags & FIF_PROMISC_IN_BSS));
529 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_NOT_MY_BSSD, 0);
530 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_VER_ERROR, 1);
531 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_MULTICAST,
532 !(filter_flags & FIF_ALLMULTI));
533 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BROADCAST, 0);
534 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_DUPLICATE, 1);
535 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CF_END_ACK,
536 !(filter_flags & FIF_CONTROL));
537 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CF_END,
538 !(filter_flags & FIF_CONTROL));
539 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_ACK,
540 !(filter_flags & FIF_CONTROL));
541 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CTS,
542 !(filter_flags & FIF_CONTROL));
543 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_RTS,
544 !(filter_flags & FIF_CONTROL));
545 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_PSPOLL,
546 !(filter_flags & FIF_PSPOLL));
547 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BA, 1);
548 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BAR, 0);
549 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CNTL,
550 !(filter_flags & FIF_CONTROL));
551 rt2800_register_write(rt2x00dev, RX_FILTER_CFG, reg);
552}
553EXPORT_SYMBOL_GPL(rt2800_config_filter);
554
555void rt2800_config_intf(struct rt2x00_dev *rt2x00dev, struct rt2x00_intf *intf,
556 struct rt2x00intf_conf *conf, const unsigned int flags)
557{
558 unsigned int beacon_base;
559 u32 reg;
560
561 if (flags & CONFIG_UPDATE_TYPE) {
562 /*
563 * Clear current synchronisation setup.
564 * For the Beacon base registers we only need to clear
565 * the first byte since that byte contains the VALID and OWNER
566 * bits which (when set to 0) will invalidate the entire beacon.
567 */
568 beacon_base = HW_BEACON_OFFSET(intf->beacon->entry_idx);
569 rt2800_register_write(rt2x00dev, beacon_base, 0);
570
571 /*
572 * Enable synchronisation.
573 */
574 rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
575 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 1);
576 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_SYNC, conf->sync);
6a62e5ef
JB
577 rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE,
578 (conf->sync == TSF_SYNC_BEACON));
f4450616
BZ
579 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
580 }
581
582 if (flags & CONFIG_UPDATE_MAC) {
583 reg = le32_to_cpu(conf->mac[1]);
584 rt2x00_set_field32(&reg, MAC_ADDR_DW1_UNICAST_TO_ME_MASK, 0xff);
585 conf->mac[1] = cpu_to_le32(reg);
586
587 rt2800_register_multiwrite(rt2x00dev, MAC_ADDR_DW0,
588 conf->mac, sizeof(conf->mac));
589 }
590
591 if (flags & CONFIG_UPDATE_BSSID) {
592 reg = le32_to_cpu(conf->bssid[1]);
593 rt2x00_set_field32(&reg, MAC_BSSID_DW1_BSS_ID_MASK, 0);
594 rt2x00_set_field32(&reg, MAC_BSSID_DW1_BSS_BCN_NUM, 0);
595 conf->bssid[1] = cpu_to_le32(reg);
596
597 rt2800_register_multiwrite(rt2x00dev, MAC_BSSID_DW0,
598 conf->bssid, sizeof(conf->bssid));
599 }
600}
601EXPORT_SYMBOL_GPL(rt2800_config_intf);
602
603void rt2800_config_erp(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_erp *erp)
604{
605 u32 reg;
606
f4450616
BZ
607 rt2800_register_read(rt2x00dev, AUTO_RSP_CFG, &reg);
608 rt2x00_set_field32(&reg, AUTO_RSP_CFG_BAC_ACK_POLICY,
609 !!erp->short_preamble);
610 rt2x00_set_field32(&reg, AUTO_RSP_CFG_AR_PREAMBLE,
611 !!erp->short_preamble);
612 rt2800_register_write(rt2x00dev, AUTO_RSP_CFG, reg);
613
614 rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
615 rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_CTRL,
616 erp->cts_protection ? 2 : 0);
617 rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
618
619 rt2800_register_write(rt2x00dev, LEGACY_BASIC_RATE,
620 erp->basic_rates);
621 rt2800_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003);
622
623 rt2800_register_read(rt2x00dev, BKOFF_SLOT_CFG, &reg);
624 rt2x00_set_field32(&reg, BKOFF_SLOT_CFG_SLOT_TIME, erp->slot_time);
f4450616
BZ
625 rt2800_register_write(rt2x00dev, BKOFF_SLOT_CFG, reg);
626
627 rt2800_register_read(rt2x00dev, XIFS_TIME_CFG, &reg);
628 rt2x00_set_field32(&reg, XIFS_TIME_CFG_CCKM_SIFS_TIME, erp->sifs);
629 rt2x00_set_field32(&reg, XIFS_TIME_CFG_OFDM_SIFS_TIME, erp->sifs);
f4450616 630 rt2x00_set_field32(&reg, XIFS_TIME_CFG_EIFS, erp->eifs);
f4450616
BZ
631 rt2800_register_write(rt2x00dev, XIFS_TIME_CFG, reg);
632
633 rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
634 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_INTERVAL,
635 erp->beacon_int * 16);
636 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
637}
638EXPORT_SYMBOL_GPL(rt2800_config_erp);
639
640void rt2800_config_ant(struct rt2x00_dev *rt2x00dev, struct antenna_setup *ant)
641{
642 u8 r1;
643 u8 r3;
644
645 rt2800_bbp_read(rt2x00dev, 1, &r1);
646 rt2800_bbp_read(rt2x00dev, 3, &r3);
647
648 /*
649 * Configure the TX antenna.
650 */
651 switch ((int)ant->tx) {
652 case 1:
653 rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 0);
cea90e55 654 if (rt2x00_is_pci(rt2x00dev) || rt2x00_is_soc(rt2x00dev))
f4450616
BZ
655 rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 0);
656 break;
657 case 2:
658 rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 2);
659 break;
660 case 3:
661 /* Do nothing */
662 break;
663 }
664
665 /*
666 * Configure the RX antenna.
667 */
668 switch ((int)ant->rx) {
669 case 1:
670 rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 0);
671 break;
672 case 2:
673 rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 1);
674 break;
675 case 3:
676 rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 2);
677 break;
678 }
679
680 rt2800_bbp_write(rt2x00dev, 3, r3);
681 rt2800_bbp_write(rt2x00dev, 1, r1);
682}
683EXPORT_SYMBOL_GPL(rt2800_config_ant);
684
685static void rt2800_config_lna_gain(struct rt2x00_dev *rt2x00dev,
686 struct rt2x00lib_conf *libconf)
687{
688 u16 eeprom;
689 short lna_gain;
690
691 if (libconf->rf.channel <= 14) {
692 rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &eeprom);
693 lna_gain = rt2x00_get_field16(eeprom, EEPROM_LNA_BG);
694 } else if (libconf->rf.channel <= 64) {
695 rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &eeprom);
696 lna_gain = rt2x00_get_field16(eeprom, EEPROM_LNA_A0);
697 } else if (libconf->rf.channel <= 128) {
698 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2, &eeprom);
699 lna_gain = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG2_LNA_A1);
700 } else {
701 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A2, &eeprom);
702 lna_gain = rt2x00_get_field16(eeprom, EEPROM_RSSI_A2_LNA_A2);
703 }
704
705 rt2x00dev->lna_gain = lna_gain;
706}
707
06855ef4
GW
708static void rt2800_config_channel_rf2xxx(struct rt2x00_dev *rt2x00dev,
709 struct ieee80211_conf *conf,
710 struct rf_channel *rf,
711 struct channel_info *info)
f4450616
BZ
712{
713 rt2x00_set_field32(&rf->rf4, RF4_FREQ_OFFSET, rt2x00dev->freq_offset);
714
715 if (rt2x00dev->default_ant.tx == 1)
716 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_TX1, 1);
717
718 if (rt2x00dev->default_ant.rx == 1) {
719 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX1, 1);
720 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX2, 1);
721 } else if (rt2x00dev->default_ant.rx == 2)
722 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX2, 1);
723
724 if (rf->channel > 14) {
725 /*
726 * When TX power is below 0, we should increase it by 7 to
727 * make it a positive value (Minumum value is -7).
728 * However this means that values between 0 and 7 have
729 * double meaning, and we should set a 7DBm boost flag.
730 */
731 rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_A_7DBM_BOOST,
732 (info->tx_power1 >= 0));
733
734 if (info->tx_power1 < 0)
735 info->tx_power1 += 7;
736
737 rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_A,
738 TXPOWER_A_TO_DEV(info->tx_power1));
739
740 rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_A_7DBM_BOOST,
741 (info->tx_power2 >= 0));
742
743 if (info->tx_power2 < 0)
744 info->tx_power2 += 7;
745
746 rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_A,
747 TXPOWER_A_TO_DEV(info->tx_power2));
748 } else {
749 rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_G,
750 TXPOWER_G_TO_DEV(info->tx_power1));
751 rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_G,
752 TXPOWER_G_TO_DEV(info->tx_power2));
753 }
754
755 rt2x00_set_field32(&rf->rf4, RF4_HT40, conf_is_ht40(conf));
756
757 rt2800_rf_write(rt2x00dev, 1, rf->rf1);
758 rt2800_rf_write(rt2x00dev, 2, rf->rf2);
759 rt2800_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
760 rt2800_rf_write(rt2x00dev, 4, rf->rf4);
761
762 udelay(200);
763
764 rt2800_rf_write(rt2x00dev, 1, rf->rf1);
765 rt2800_rf_write(rt2x00dev, 2, rf->rf2);
766 rt2800_rf_write(rt2x00dev, 3, rf->rf3 | 0x00000004);
767 rt2800_rf_write(rt2x00dev, 4, rf->rf4);
768
769 udelay(200);
770
771 rt2800_rf_write(rt2x00dev, 1, rf->rf1);
772 rt2800_rf_write(rt2x00dev, 2, rf->rf2);
773 rt2800_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
774 rt2800_rf_write(rt2x00dev, 4, rf->rf4);
775}
776
06855ef4
GW
777static void rt2800_config_channel_rf3xxx(struct rt2x00_dev *rt2x00dev,
778 struct ieee80211_conf *conf,
779 struct rf_channel *rf,
780 struct channel_info *info)
f4450616
BZ
781{
782 u8 rfcsr;
783
784 rt2800_rfcsr_write(rt2x00dev, 2, rf->rf1);
41a26170 785 rt2800_rfcsr_write(rt2x00dev, 3, rf->rf3);
f4450616
BZ
786
787 rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
fab799c3 788 rt2x00_set_field8(&rfcsr, RFCSR6_R1, rf->rf2);
f4450616
BZ
789 rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
790
791 rt2800_rfcsr_read(rt2x00dev, 12, &rfcsr);
792 rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER,
793 TXPOWER_G_TO_DEV(info->tx_power1));
794 rt2800_rfcsr_write(rt2x00dev, 12, rfcsr);
795
796 rt2800_rfcsr_read(rt2x00dev, 23, &rfcsr);
797 rt2x00_set_field8(&rfcsr, RFCSR23_FREQ_OFFSET, rt2x00dev->freq_offset);
798 rt2800_rfcsr_write(rt2x00dev, 23, rfcsr);
799
800 rt2800_rfcsr_write(rt2x00dev, 24,
801 rt2x00dev->calibration[conf_is_ht40(conf)]);
802
71976907 803 rt2800_rfcsr_read(rt2x00dev, 7, &rfcsr);
f4450616 804 rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1);
71976907 805 rt2800_rfcsr_write(rt2x00dev, 7, rfcsr);
f4450616
BZ
806}
807
808static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
809 struct ieee80211_conf *conf,
810 struct rf_channel *rf,
811 struct channel_info *info)
812{
813 u32 reg;
814 unsigned int tx_pin;
815 u8 bbp;
816
06855ef4
GW
817 if (rt2x00_rf(rt2x00dev, RF2020) ||
818 rt2x00_rf(rt2x00dev, RF3020) ||
819 rt2x00_rf(rt2x00dev, RF3021) ||
820 rt2x00_rf(rt2x00dev, RF3022))
821 rt2800_config_channel_rf3xxx(rt2x00dev, conf, rf, info);
fa6f632f 822 else
06855ef4 823 rt2800_config_channel_rf2xxx(rt2x00dev, conf, rf, info);
f4450616
BZ
824
825 /*
826 * Change BBP settings
827 */
828 rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain);
829 rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain);
830 rt2800_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain);
831 rt2800_bbp_write(rt2x00dev, 86, 0);
832
833 if (rf->channel <= 14) {
834 if (test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags)) {
835 rt2800_bbp_write(rt2x00dev, 82, 0x62);
836 rt2800_bbp_write(rt2x00dev, 75, 0x46);
837 } else {
838 rt2800_bbp_write(rt2x00dev, 82, 0x84);
839 rt2800_bbp_write(rt2x00dev, 75, 0x50);
840 }
841 } else {
842 rt2800_bbp_write(rt2x00dev, 82, 0xf2);
843
844 if (test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags))
845 rt2800_bbp_write(rt2x00dev, 75, 0x46);
846 else
847 rt2800_bbp_write(rt2x00dev, 75, 0x50);
848 }
849
850 rt2800_register_read(rt2x00dev, TX_BAND_CFG, &reg);
851 rt2x00_set_field32(&reg, TX_BAND_CFG_HT40_PLUS, conf_is_ht40_plus(conf));
852 rt2x00_set_field32(&reg, TX_BAND_CFG_A, rf->channel > 14);
853 rt2x00_set_field32(&reg, TX_BAND_CFG_BG, rf->channel <= 14);
854 rt2800_register_write(rt2x00dev, TX_BAND_CFG, reg);
855
856 tx_pin = 0;
857
858 /* Turn on unused PA or LNA when not using 1T or 1R */
859 if (rt2x00dev->default_ant.tx != 1) {
860 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A1_EN, 1);
861 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G1_EN, 1);
862 }
863
864 /* Turn on unused PA or LNA when not using 1T or 1R */
865 if (rt2x00dev->default_ant.rx != 1) {
866 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A1_EN, 1);
867 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G1_EN, 1);
868 }
869
870 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A0_EN, 1);
871 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G0_EN, 1);
872 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_RFTR_EN, 1);
873 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_TRSW_EN, 1);
874 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN, rf->channel <= 14);
875 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A0_EN, rf->channel > 14);
876
877 rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
878
879 rt2800_bbp_read(rt2x00dev, 4, &bbp);
880 rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * conf_is_ht40(conf));
881 rt2800_bbp_write(rt2x00dev, 4, bbp);
882
883 rt2800_bbp_read(rt2x00dev, 3, &bbp);
884 rt2x00_set_field8(&bbp, BBP3_HT40_PLUS, conf_is_ht40_plus(conf));
885 rt2800_bbp_write(rt2x00dev, 3, bbp);
886
8d0c9b65 887 if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860C)) {
f4450616
BZ
888 if (conf_is_ht40(conf)) {
889 rt2800_bbp_write(rt2x00dev, 69, 0x1a);
890 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
891 rt2800_bbp_write(rt2x00dev, 73, 0x16);
892 } else {
893 rt2800_bbp_write(rt2x00dev, 69, 0x16);
894 rt2800_bbp_write(rt2x00dev, 70, 0x08);
895 rt2800_bbp_write(rt2x00dev, 73, 0x11);
896 }
897 }
898
899 msleep(1);
900}
901
902static void rt2800_config_txpower(struct rt2x00_dev *rt2x00dev,
903 const int txpower)
904{
905 u32 reg;
906 u32 value = TXPOWER_G_TO_DEV(txpower);
907 u8 r1;
908
909 rt2800_bbp_read(rt2x00dev, 1, &r1);
910 rt2x00_set_field8(&reg, BBP1_TX_POWER, 0);
911 rt2800_bbp_write(rt2x00dev, 1, r1);
912
913 rt2800_register_read(rt2x00dev, TX_PWR_CFG_0, &reg);
914 rt2x00_set_field32(&reg, TX_PWR_CFG_0_1MBS, value);
915 rt2x00_set_field32(&reg, TX_PWR_CFG_0_2MBS, value);
916 rt2x00_set_field32(&reg, TX_PWR_CFG_0_55MBS, value);
917 rt2x00_set_field32(&reg, TX_PWR_CFG_0_11MBS, value);
918 rt2x00_set_field32(&reg, TX_PWR_CFG_0_6MBS, value);
919 rt2x00_set_field32(&reg, TX_PWR_CFG_0_9MBS, value);
920 rt2x00_set_field32(&reg, TX_PWR_CFG_0_12MBS, value);
921 rt2x00_set_field32(&reg, TX_PWR_CFG_0_18MBS, value);
922 rt2800_register_write(rt2x00dev, TX_PWR_CFG_0, reg);
923
924 rt2800_register_read(rt2x00dev, TX_PWR_CFG_1, &reg);
925 rt2x00_set_field32(&reg, TX_PWR_CFG_1_24MBS, value);
926 rt2x00_set_field32(&reg, TX_PWR_CFG_1_36MBS, value);
927 rt2x00_set_field32(&reg, TX_PWR_CFG_1_48MBS, value);
928 rt2x00_set_field32(&reg, TX_PWR_CFG_1_54MBS, value);
929 rt2x00_set_field32(&reg, TX_PWR_CFG_1_MCS0, value);
930 rt2x00_set_field32(&reg, TX_PWR_CFG_1_MCS1, value);
931 rt2x00_set_field32(&reg, TX_PWR_CFG_1_MCS2, value);
932 rt2x00_set_field32(&reg, TX_PWR_CFG_1_MCS3, value);
933 rt2800_register_write(rt2x00dev, TX_PWR_CFG_1, reg);
934
935 rt2800_register_read(rt2x00dev, TX_PWR_CFG_2, &reg);
936 rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS4, value);
937 rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS5, value);
938 rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS6, value);
939 rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS7, value);
940 rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS8, value);
941 rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS9, value);
942 rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS10, value);
943 rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS11, value);
944 rt2800_register_write(rt2x00dev, TX_PWR_CFG_2, reg);
945
946 rt2800_register_read(rt2x00dev, TX_PWR_CFG_3, &reg);
947 rt2x00_set_field32(&reg, TX_PWR_CFG_3_MCS12, value);
948 rt2x00_set_field32(&reg, TX_PWR_CFG_3_MCS13, value);
949 rt2x00_set_field32(&reg, TX_PWR_CFG_3_MCS14, value);
950 rt2x00_set_field32(&reg, TX_PWR_CFG_3_MCS15, value);
951 rt2x00_set_field32(&reg, TX_PWR_CFG_3_UKNOWN1, value);
952 rt2x00_set_field32(&reg, TX_PWR_CFG_3_UKNOWN2, value);
953 rt2x00_set_field32(&reg, TX_PWR_CFG_3_UKNOWN3, value);
954 rt2x00_set_field32(&reg, TX_PWR_CFG_3_UKNOWN4, value);
955 rt2800_register_write(rt2x00dev, TX_PWR_CFG_3, reg);
956
957 rt2800_register_read(rt2x00dev, TX_PWR_CFG_4, &reg);
958 rt2x00_set_field32(&reg, TX_PWR_CFG_4_UKNOWN5, value);
959 rt2x00_set_field32(&reg, TX_PWR_CFG_4_UKNOWN6, value);
960 rt2x00_set_field32(&reg, TX_PWR_CFG_4_UKNOWN7, value);
961 rt2x00_set_field32(&reg, TX_PWR_CFG_4_UKNOWN8, value);
962 rt2800_register_write(rt2x00dev, TX_PWR_CFG_4, reg);
963}
964
965static void rt2800_config_retry_limit(struct rt2x00_dev *rt2x00dev,
966 struct rt2x00lib_conf *libconf)
967{
968 u32 reg;
969
970 rt2800_register_read(rt2x00dev, TX_RTY_CFG, &reg);
971 rt2x00_set_field32(&reg, TX_RTY_CFG_SHORT_RTY_LIMIT,
972 libconf->conf->short_frame_max_tx_count);
973 rt2x00_set_field32(&reg, TX_RTY_CFG_LONG_RTY_LIMIT,
974 libconf->conf->long_frame_max_tx_count);
f4450616
BZ
975 rt2800_register_write(rt2x00dev, TX_RTY_CFG, reg);
976}
977
978static void rt2800_config_ps(struct rt2x00_dev *rt2x00dev,
979 struct rt2x00lib_conf *libconf)
980{
981 enum dev_state state =
982 (libconf->conf->flags & IEEE80211_CONF_PS) ?
983 STATE_SLEEP : STATE_AWAKE;
984 u32 reg;
985
986 if (state == STATE_SLEEP) {
987 rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0);
988
989 rt2800_register_read(rt2x00dev, AUTOWAKEUP_CFG, &reg);
990 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 5);
991 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE,
992 libconf->conf->listen_interval - 1);
993 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTOWAKE, 1);
994 rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg);
995
996 rt2x00dev->ops->lib->set_device_state(rt2x00dev, state);
997 } else {
f4450616
BZ
998 rt2800_register_read(rt2x00dev, AUTOWAKEUP_CFG, &reg);
999 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 0);
1000 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE, 0);
1001 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTOWAKE, 0);
1002 rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg);
5731858d
GW
1003
1004 rt2x00dev->ops->lib->set_device_state(rt2x00dev, state);
f4450616
BZ
1005 }
1006}
1007
1008void rt2800_config(struct rt2x00_dev *rt2x00dev,
1009 struct rt2x00lib_conf *libconf,
1010 const unsigned int flags)
1011{
1012 /* Always recalculate LNA gain before changing configuration */
1013 rt2800_config_lna_gain(rt2x00dev, libconf);
1014
1015 if (flags & IEEE80211_CONF_CHANGE_CHANNEL)
1016 rt2800_config_channel(rt2x00dev, libconf->conf,
1017 &libconf->rf, &libconf->channel);
1018 if (flags & IEEE80211_CONF_CHANGE_POWER)
1019 rt2800_config_txpower(rt2x00dev, libconf->conf->power_level);
1020 if (flags & IEEE80211_CONF_CHANGE_RETRY_LIMITS)
1021 rt2800_config_retry_limit(rt2x00dev, libconf);
1022 if (flags & IEEE80211_CONF_CHANGE_PS)
1023 rt2800_config_ps(rt2x00dev, libconf);
1024}
1025EXPORT_SYMBOL_GPL(rt2800_config);
1026
1027/*
1028 * Link tuning
1029 */
1030void rt2800_link_stats(struct rt2x00_dev *rt2x00dev, struct link_qual *qual)
1031{
1032 u32 reg;
1033
1034 /*
1035 * Update FCS error count from register.
1036 */
1037 rt2800_register_read(rt2x00dev, RX_STA_CNT0, &reg);
1038 qual->rx_failed = rt2x00_get_field32(reg, RX_STA_CNT0_CRC_ERR);
1039}
1040EXPORT_SYMBOL_GPL(rt2800_link_stats);
1041
1042static u8 rt2800_get_default_vgc(struct rt2x00_dev *rt2x00dev)
1043{
1044 if (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ) {
d5385bfc 1045 if (rt2x00_rt(rt2x00dev, RT3070) ||
64522957
GW
1046 rt2x00_rt(rt2x00dev, RT3071) ||
1047 rt2x00_rt(rt2x00dev, RT3090))
f4450616
BZ
1048 return 0x1c + (2 * rt2x00dev->lna_gain);
1049 else
1050 return 0x2e + rt2x00dev->lna_gain;
1051 }
1052
1053 if (!test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags))
1054 return 0x32 + (rt2x00dev->lna_gain * 5) / 3;
1055 else
1056 return 0x3a + (rt2x00dev->lna_gain * 5) / 3;
1057}
1058
1059static inline void rt2800_set_vgc(struct rt2x00_dev *rt2x00dev,
1060 struct link_qual *qual, u8 vgc_level)
1061{
1062 if (qual->vgc_level != vgc_level) {
1063 rt2800_bbp_write(rt2x00dev, 66, vgc_level);
1064 qual->vgc_level = vgc_level;
1065 qual->vgc_level_reg = vgc_level;
1066 }
1067}
1068
1069void rt2800_reset_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual)
1070{
1071 rt2800_set_vgc(rt2x00dev, qual, rt2800_get_default_vgc(rt2x00dev));
1072}
1073EXPORT_SYMBOL_GPL(rt2800_reset_tuner);
1074
1075void rt2800_link_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual,
1076 const u32 count)
1077{
8d0c9b65 1078 if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860C))
f4450616
BZ
1079 return;
1080
1081 /*
1082 * When RSSI is better then -80 increase VGC level with 0x10
1083 */
1084 rt2800_set_vgc(rt2x00dev, qual,
1085 rt2800_get_default_vgc(rt2x00dev) +
1086 ((qual->rssi > -80) * 0x10));
1087}
1088EXPORT_SYMBOL_GPL(rt2800_link_tuner);
fcf51541
BZ
1089
1090/*
1091 * Initialization functions.
1092 */
1093int rt2800_init_registers(struct rt2x00_dev *rt2x00dev)
1094{
1095 u32 reg;
d5385bfc 1096 u16 eeprom;
fcf51541
BZ
1097 unsigned int i;
1098
a9dce149
GW
1099 rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
1100 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
1101 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_DMA_BUSY, 0);
1102 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
1103 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_DMA_BUSY, 0);
1104 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
1105 rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
1106
cea90e55 1107 if (rt2x00_is_usb(rt2x00dev)) {
fcf51541 1108 /*
235faf9b 1109 * Wait until BBP and RF are ready.
fcf51541
BZ
1110 */
1111 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
1112 rt2800_register_read(rt2x00dev, MAC_CSR0, &reg);
1113 if (reg && reg != ~0)
1114 break;
1115 msleep(1);
1116 }
1117
1118 if (i == REGISTER_BUSY_COUNT) {
1119 ERROR(rt2x00dev, "Unstable hardware.\n");
1120 return -EBUSY;
1121 }
1122
1123 rt2800_register_read(rt2x00dev, PBF_SYS_CTRL, &reg);
1124 rt2800_register_write(rt2x00dev, PBF_SYS_CTRL,
1125 reg & ~0x00002000);
a9dce149
GW
1126 } else if (rt2x00_is_pci(rt2x00dev) || rt2x00_is_soc(rt2x00dev)) {
1127 /*
1128 * Reset DMA indexes
1129 */
1130 rt2800_register_read(rt2x00dev, WPDMA_RST_IDX, &reg);
1131 rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX0, 1);
1132 rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX1, 1);
1133 rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX2, 1);
1134 rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX3, 1);
1135 rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX4, 1);
1136 rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX5, 1);
1137 rt2x00_set_field32(&reg, WPDMA_RST_IDX_DRX_IDX0, 1);
1138 rt2800_register_write(rt2x00dev, WPDMA_RST_IDX, reg);
1139
1140 rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e1f);
1141 rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e00);
1142
fcf51541 1143 rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003);
a9dce149 1144 }
fcf51541
BZ
1145
1146 rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
1147 rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_CSR, 1);
1148 rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_BBP, 1);
1149 rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
1150
cea90e55 1151 if (rt2x00_is_usb(rt2x00dev)) {
fcf51541 1152 rt2800_register_write(rt2x00dev, USB_DMA_CFG, 0x00000000);
ac394917 1153#if defined(CONFIG_RT2X00_LIB_USB) || defined(CONFIG_RT2X00_LIB_USB_MODULE)
fcf51541
BZ
1154 rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0,
1155 USB_MODE_RESET, REGISTER_TIMEOUT);
1156#endif
1157 }
1158
1159 rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
1160
1161 rt2800_register_read(rt2x00dev, BCN_OFFSET0, &reg);
1162 rt2x00_set_field32(&reg, BCN_OFFSET0_BCN0, 0xe0); /* 0x3800 */
1163 rt2x00_set_field32(&reg, BCN_OFFSET0_BCN1, 0xe8); /* 0x3a00 */
1164 rt2x00_set_field32(&reg, BCN_OFFSET0_BCN2, 0xf0); /* 0x3c00 */
1165 rt2x00_set_field32(&reg, BCN_OFFSET0_BCN3, 0xf8); /* 0x3e00 */
1166 rt2800_register_write(rt2x00dev, BCN_OFFSET0, reg);
1167
1168 rt2800_register_read(rt2x00dev, BCN_OFFSET1, &reg);
1169 rt2x00_set_field32(&reg, BCN_OFFSET1_BCN4, 0xc8); /* 0x3200 */
1170 rt2x00_set_field32(&reg, BCN_OFFSET1_BCN5, 0xd0); /* 0x3400 */
1171 rt2x00_set_field32(&reg, BCN_OFFSET1_BCN6, 0x77); /* 0x1dc0 */
1172 rt2x00_set_field32(&reg, BCN_OFFSET1_BCN7, 0x6f); /* 0x1bc0 */
1173 rt2800_register_write(rt2x00dev, BCN_OFFSET1, reg);
1174
1175 rt2800_register_write(rt2x00dev, LEGACY_BASIC_RATE, 0x0000013f);
1176 rt2800_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003);
1177
1178 rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
1179
1180 rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
1181 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_INTERVAL, 0);
1182 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 0);
1183 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_SYNC, 0);
1184 rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 0);
1185 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
1186 rt2x00_set_field32(&reg, BCN_TIME_CFG_TX_TIME_COMPENSATE, 0);
1187 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
1188
a9dce149
GW
1189 rt2800_config_filter(rt2x00dev, FIF_ALLMULTI);
1190
1191 rt2800_register_read(rt2x00dev, BKOFF_SLOT_CFG, &reg);
1192 rt2x00_set_field32(&reg, BKOFF_SLOT_CFG_SLOT_TIME, 9);
1193 rt2x00_set_field32(&reg, BKOFF_SLOT_CFG_CC_DELAY_TIME, 2);
1194 rt2800_register_write(rt2x00dev, BKOFF_SLOT_CFG, reg);
1195
64522957
GW
1196 if (rt2x00_rt(rt2x00dev, RT3071) ||
1197 rt2x00_rt(rt2x00dev, RT3090)) {
d5385bfc
GW
1198 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
1199 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
64522957
GW
1200 if (rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) ||
1201 rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E)) {
d5385bfc
GW
1202 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &eeprom);
1203 if (rt2x00_get_field16(eeprom, EEPROM_NIC_DAC_TEST))
1204 rt2800_register_write(rt2x00dev, TX_SW_CFG2,
1205 0x0000002c);
1206 else
1207 rt2800_register_write(rt2x00dev, TX_SW_CFG2,
1208 0x0000000f);
1209 } else {
1210 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
1211 }
1212 rt2800_register_write(rt2x00dev, TX_SW_CFG2, reg);
1213 } else if (rt2x00_rt(rt2x00dev, RT3070)) {
fcf51541 1214 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
8cdd15e0
GW
1215
1216 if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F)) {
1217 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
1218 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x0000002c);
1219 } else {
1220 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
1221 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
1222 }
fcf51541
BZ
1223 } else {
1224 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000000);
1225 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
1226 }
1227
1228 rt2800_register_read(rt2x00dev, TX_LINK_CFG, &reg);
1229 rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFB_LIFETIME, 32);
1230 rt2x00_set_field32(&reg, TX_LINK_CFG_MFB_ENABLE, 0);
1231 rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_UMFS_ENABLE, 0);
1232 rt2x00_set_field32(&reg, TX_LINK_CFG_TX_MRQ_EN, 0);
1233 rt2x00_set_field32(&reg, TX_LINK_CFG_TX_RDG_EN, 0);
1234 rt2x00_set_field32(&reg, TX_LINK_CFG_TX_CF_ACK_EN, 1);
1235 rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFB, 0);
1236 rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFS, 0);
1237 rt2800_register_write(rt2x00dev, TX_LINK_CFG, reg);
1238
1239 rt2800_register_read(rt2x00dev, TX_TIMEOUT_CFG, &reg);
1240 rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_MPDU_LIFETIME, 9);
a9dce149 1241 rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_RX_ACK_TIMEOUT, 32);
fcf51541
BZ
1242 rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_TX_OP_TIMEOUT, 10);
1243 rt2800_register_write(rt2x00dev, TX_TIMEOUT_CFG, reg);
1244
1245 rt2800_register_read(rt2x00dev, MAX_LEN_CFG, &reg);
1246 rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_MPDU, AGGREGATION_SIZE);
8d0c9b65 1247 if (rt2x00_rt_rev_gte(rt2x00dev, RT2872, REV_RT2872E) ||
49e721ec 1248 rt2x00_rt(rt2x00dev, RT2883) ||
8d0c9b65 1249 rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070E))
fcf51541
BZ
1250 rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_PSDU, 2);
1251 else
1252 rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_PSDU, 1);
1253 rt2x00_set_field32(&reg, MAX_LEN_CFG_MIN_PSDU, 0);
1254 rt2x00_set_field32(&reg, MAX_LEN_CFG_MIN_MPDU, 0);
1255 rt2800_register_write(rt2x00dev, MAX_LEN_CFG, reg);
1256
a9dce149
GW
1257 rt2800_register_read(rt2x00dev, LED_CFG, &reg);
1258 rt2x00_set_field32(&reg, LED_CFG_ON_PERIOD, 70);
1259 rt2x00_set_field32(&reg, LED_CFG_OFF_PERIOD, 30);
1260 rt2x00_set_field32(&reg, LED_CFG_SLOW_BLINK_PERIOD, 3);
1261 rt2x00_set_field32(&reg, LED_CFG_R_LED_MODE, 3);
1262 rt2x00_set_field32(&reg, LED_CFG_G_LED_MODE, 3);
1263 rt2x00_set_field32(&reg, LED_CFG_Y_LED_MODE, 3);
1264 rt2x00_set_field32(&reg, LED_CFG_LED_POLAR, 1);
1265 rt2800_register_write(rt2x00dev, LED_CFG, reg);
1266
fcf51541
BZ
1267 rt2800_register_write(rt2x00dev, PBF_MAX_PCNT, 0x1f3fbf9f);
1268
a9dce149
GW
1269 rt2800_register_read(rt2x00dev, TX_RTY_CFG, &reg);
1270 rt2x00_set_field32(&reg, TX_RTY_CFG_SHORT_RTY_LIMIT, 15);
1271 rt2x00_set_field32(&reg, TX_RTY_CFG_LONG_RTY_LIMIT, 31);
1272 rt2x00_set_field32(&reg, TX_RTY_CFG_LONG_RTY_THRE, 2000);
1273 rt2x00_set_field32(&reg, TX_RTY_CFG_NON_AGG_RTY_MODE, 0);
1274 rt2x00_set_field32(&reg, TX_RTY_CFG_AGG_RTY_MODE, 0);
1275 rt2x00_set_field32(&reg, TX_RTY_CFG_TX_AUTO_FB_ENABLE, 1);
1276 rt2800_register_write(rt2x00dev, TX_RTY_CFG, reg);
1277
fcf51541
BZ
1278 rt2800_register_read(rt2x00dev, AUTO_RSP_CFG, &reg);
1279 rt2x00_set_field32(&reg, AUTO_RSP_CFG_AUTORESPONDER, 1);
a9dce149 1280 rt2x00_set_field32(&reg, AUTO_RSP_CFG_BAC_ACK_POLICY, 1);
fcf51541
BZ
1281 rt2x00_set_field32(&reg, AUTO_RSP_CFG_CTS_40_MMODE, 0);
1282 rt2x00_set_field32(&reg, AUTO_RSP_CFG_CTS_40_MREF, 0);
a9dce149 1283 rt2x00_set_field32(&reg, AUTO_RSP_CFG_AR_PREAMBLE, 1);
fcf51541
BZ
1284 rt2x00_set_field32(&reg, AUTO_RSP_CFG_DUAL_CTS_EN, 0);
1285 rt2x00_set_field32(&reg, AUTO_RSP_CFG_ACK_CTS_PSM_BIT, 0);
1286 rt2800_register_write(rt2x00dev, AUTO_RSP_CFG, reg);
1287
1288 rt2800_register_read(rt2x00dev, CCK_PROT_CFG, &reg);
a9dce149 1289 rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_RATE, 3);
fcf51541
BZ
1290 rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_CTRL, 0);
1291 rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_NAV, 1);
1292 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_CCK, 1);
1293 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
1294 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_MM20, 1);
a9dce149 1295 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_MM40, 0);
fcf51541 1296 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_GF20, 1);
a9dce149
GW
1297 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_GF40, 0);
1298 rt2x00_set_field32(&reg, CCK_PROT_CFG_RTS_TH_EN, 1);
fcf51541
BZ
1299 rt2800_register_write(rt2x00dev, CCK_PROT_CFG, reg);
1300
1301 rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
a9dce149 1302 rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_RATE, 3);
fcf51541
BZ
1303 rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_CTRL, 0);
1304 rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_NAV, 1);
1305 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_CCK, 1);
1306 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
1307 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_MM20, 1);
a9dce149 1308 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_MM40, 0);
fcf51541 1309 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_GF20, 1);
a9dce149
GW
1310 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_GF40, 0);
1311 rt2x00_set_field32(&reg, OFDM_PROT_CFG_RTS_TH_EN, 1);
fcf51541
BZ
1312 rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
1313
1314 rt2800_register_read(rt2x00dev, MM20_PROT_CFG, &reg);
1315 rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_RATE, 0x4004);
1316 rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_CTRL, 0);
1317 rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_NAV, 1);
1318 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_CCK, 1);
1319 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
1320 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_MM20, 1);
1321 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_MM40, 0);
1322 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_GF20, 1);
1323 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_GF40, 0);
a9dce149 1324 rt2x00_set_field32(&reg, MM20_PROT_CFG_RTS_TH_EN, 0);
fcf51541
BZ
1325 rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg);
1326
1327 rt2800_register_read(rt2x00dev, MM40_PROT_CFG, &reg);
1328 rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_RATE, 0x4084);
a9dce149
GW
1329 rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_CTRL,
1330 !rt2x00_is_usb(rt2x00dev));
fcf51541
BZ
1331 rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_NAV, 1);
1332 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_CCK, 1);
1333 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
1334 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_MM20, 1);
1335 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_MM40, 1);
1336 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_GF20, 1);
1337 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_GF40, 1);
a9dce149 1338 rt2x00_set_field32(&reg, MM40_PROT_CFG_RTS_TH_EN, 0);
fcf51541
BZ
1339 rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg);
1340
1341 rt2800_register_read(rt2x00dev, GF20_PROT_CFG, &reg);
1342 rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_RATE, 0x4004);
1343 rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_CTRL, 0);
1344 rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_NAV, 1);
1345 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_CCK, 1);
1346 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
1347 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_MM20, 1);
1348 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_MM40, 0);
1349 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_GF20, 1);
1350 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_GF40, 0);
a9dce149 1351 rt2x00_set_field32(&reg, GF20_PROT_CFG_RTS_TH_EN, 0);
fcf51541
BZ
1352 rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg);
1353
1354 rt2800_register_read(rt2x00dev, GF40_PROT_CFG, &reg);
1355 rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_RATE, 0x4084);
1356 rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_CTRL, 0);
1357 rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_NAV, 1);
1358 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_CCK, 1);
1359 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
1360 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_MM20, 1);
1361 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_MM40, 1);
1362 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_GF20, 1);
1363 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_GF40, 1);
a9dce149 1364 rt2x00_set_field32(&reg, GF40_PROT_CFG_RTS_TH_EN, 0);
fcf51541
BZ
1365 rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg);
1366
cea90e55 1367 if (rt2x00_is_usb(rt2x00dev)) {
fcf51541
BZ
1368 rt2800_register_write(rt2x00dev, PBF_CFG, 0xf40006);
1369
1370 rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
1371 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
1372 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_DMA_BUSY, 0);
1373 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
1374 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_DMA_BUSY, 0);
1375 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_WP_DMA_BURST_SIZE, 3);
1376 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 0);
1377 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_BIG_ENDIAN, 0);
1378 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_HDR_SCATTER, 0);
1379 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_HDR_SEG_LEN, 0);
1380 rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
1381 }
1382
1383 rt2800_register_write(rt2x00dev, TXOP_CTRL_CFG, 0x0000583f);
1384 rt2800_register_write(rt2x00dev, TXOP_HLDR_ET, 0x00000002);
1385
1386 rt2800_register_read(rt2x00dev, TX_RTS_CFG, &reg);
1387 rt2x00_set_field32(&reg, TX_RTS_CFG_AUTO_RTS_RETRY_LIMIT, 32);
1388 rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_THRES,
1389 IEEE80211_MAX_RTS_THRESHOLD);
1390 rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_FBK_EN, 0);
1391 rt2800_register_write(rt2x00dev, TX_RTS_CFG, reg);
1392
1393 rt2800_register_write(rt2x00dev, EXP_ACK_TIME, 0x002400ca);
a9dce149
GW
1394
1395 rt2800_register_read(rt2x00dev, XIFS_TIME_CFG, &reg);
1396 rt2x00_set_field32(&reg, XIFS_TIME_CFG_CCKM_SIFS_TIME, 32);
1397 rt2x00_set_field32(&reg, XIFS_TIME_CFG_OFDM_SIFS_TIME, 32);
1398 rt2x00_set_field32(&reg, XIFS_TIME_CFG_OFDM_XIFS_TIME, 4);
1399 rt2x00_set_field32(&reg, XIFS_TIME_CFG_EIFS, 314);
1400 rt2x00_set_field32(&reg, XIFS_TIME_CFG_BB_RXEND_ENABLE, 1);
1401 rt2800_register_write(rt2x00dev, XIFS_TIME_CFG, reg);
1402
fcf51541
BZ
1403 rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003);
1404
1405 /*
1406 * ASIC will keep garbage value after boot, clear encryption keys.
1407 */
1408 for (i = 0; i < 4; i++)
1409 rt2800_register_write(rt2x00dev,
1410 SHARED_KEY_MODE_ENTRY(i), 0);
1411
1412 for (i = 0; i < 256; i++) {
1413 u32 wcid[2] = { 0xffffffff, 0x00ffffff };
1414 rt2800_register_multiwrite(rt2x00dev, MAC_WCID_ENTRY(i),
1415 wcid, sizeof(wcid));
1416
1417 rt2800_register_write(rt2x00dev, MAC_WCID_ATTR_ENTRY(i), 1);
1418 rt2800_register_write(rt2x00dev, MAC_IVEIV_ENTRY(i), 0);
1419 }
1420
1421 /*
1422 * Clear all beacons
1423 * For the Beacon base registers we only need to clear
1424 * the first byte since that byte contains the VALID and OWNER
1425 * bits which (when set to 0) will invalidate the entire beacon.
1426 */
1427 rt2800_register_write(rt2x00dev, HW_BEACON_BASE0, 0);
1428 rt2800_register_write(rt2x00dev, HW_BEACON_BASE1, 0);
1429 rt2800_register_write(rt2x00dev, HW_BEACON_BASE2, 0);
1430 rt2800_register_write(rt2x00dev, HW_BEACON_BASE3, 0);
1431 rt2800_register_write(rt2x00dev, HW_BEACON_BASE4, 0);
1432 rt2800_register_write(rt2x00dev, HW_BEACON_BASE5, 0);
1433 rt2800_register_write(rt2x00dev, HW_BEACON_BASE6, 0);
1434 rt2800_register_write(rt2x00dev, HW_BEACON_BASE7, 0);
1435
cea90e55 1436 if (rt2x00_is_usb(rt2x00dev)) {
fcf51541
BZ
1437 rt2800_register_read(rt2x00dev, USB_CYC_CFG, &reg);
1438 rt2x00_set_field32(&reg, USB_CYC_CFG_CLOCK_CYCLE, 30);
1439 rt2800_register_write(rt2x00dev, USB_CYC_CFG, reg);
1440 }
1441
1442 rt2800_register_read(rt2x00dev, HT_FBK_CFG0, &reg);
1443 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS0FBK, 0);
1444 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS1FBK, 0);
1445 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS2FBK, 1);
1446 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS3FBK, 2);
1447 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS4FBK, 3);
1448 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS5FBK, 4);
1449 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS6FBK, 5);
1450 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS7FBK, 6);
1451 rt2800_register_write(rt2x00dev, HT_FBK_CFG0, reg);
1452
1453 rt2800_register_read(rt2x00dev, HT_FBK_CFG1, &reg);
1454 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS8FBK, 8);
1455 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS9FBK, 8);
1456 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS10FBK, 9);
1457 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS11FBK, 10);
1458 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS12FBK, 11);
1459 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS13FBK, 12);
1460 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS14FBK, 13);
1461 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS15FBK, 14);
1462 rt2800_register_write(rt2x00dev, HT_FBK_CFG1, reg);
1463
1464 rt2800_register_read(rt2x00dev, LG_FBK_CFG0, &reg);
1465 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS0FBK, 8);
1466 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS1FBK, 8);
1467 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS2FBK, 9);
1468 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS3FBK, 10);
1469 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS4FBK, 11);
1470 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS5FBK, 12);
1471 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS6FBK, 13);
1472 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS7FBK, 14);
1473 rt2800_register_write(rt2x00dev, LG_FBK_CFG0, reg);
1474
1475 rt2800_register_read(rt2x00dev, LG_FBK_CFG1, &reg);
1476 rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS0FBK, 0);
1477 rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS1FBK, 0);
1478 rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS2FBK, 1);
1479 rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS3FBK, 2);
1480 rt2800_register_write(rt2x00dev, LG_FBK_CFG1, reg);
1481
1482 /*
1483 * We must clear the error counters.
1484 * These registers are cleared on read,
1485 * so we may pass a useless variable to store the value.
1486 */
1487 rt2800_register_read(rt2x00dev, RX_STA_CNT0, &reg);
1488 rt2800_register_read(rt2x00dev, RX_STA_CNT1, &reg);
1489 rt2800_register_read(rt2x00dev, RX_STA_CNT2, &reg);
1490 rt2800_register_read(rt2x00dev, TX_STA_CNT0, &reg);
1491 rt2800_register_read(rt2x00dev, TX_STA_CNT1, &reg);
1492 rt2800_register_read(rt2x00dev, TX_STA_CNT2, &reg);
1493
1494 return 0;
1495}
1496EXPORT_SYMBOL_GPL(rt2800_init_registers);
1497
1498static int rt2800_wait_bbp_rf_ready(struct rt2x00_dev *rt2x00dev)
1499{
1500 unsigned int i;
1501 u32 reg;
1502
1503 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
1504 rt2800_register_read(rt2x00dev, MAC_STATUS_CFG, &reg);
1505 if (!rt2x00_get_field32(reg, MAC_STATUS_CFG_BBP_RF_BUSY))
1506 return 0;
1507
1508 udelay(REGISTER_BUSY_DELAY);
1509 }
1510
1511 ERROR(rt2x00dev, "BBP/RF register access failed, aborting.\n");
1512 return -EACCES;
1513}
1514
1515static int rt2800_wait_bbp_ready(struct rt2x00_dev *rt2x00dev)
1516{
1517 unsigned int i;
1518 u8 value;
1519
1520 /*
1521 * BBP was enabled after firmware was loaded,
1522 * but we need to reactivate it now.
1523 */
1524 rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
1525 rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
1526 msleep(1);
1527
1528 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
1529 rt2800_bbp_read(rt2x00dev, 0, &value);
1530 if ((value != 0xff) && (value != 0x00))
1531 return 0;
1532 udelay(REGISTER_BUSY_DELAY);
1533 }
1534
1535 ERROR(rt2x00dev, "BBP register access failed, aborting.\n");
1536 return -EACCES;
1537}
1538
1539int rt2800_init_bbp(struct rt2x00_dev *rt2x00dev)
1540{
1541 unsigned int i;
1542 u16 eeprom;
1543 u8 reg_id;
1544 u8 value;
1545
1546 if (unlikely(rt2800_wait_bbp_rf_ready(rt2x00dev) ||
1547 rt2800_wait_bbp_ready(rt2x00dev)))
1548 return -EACCES;
1549
1550 rt2800_bbp_write(rt2x00dev, 65, 0x2c);
1551 rt2800_bbp_write(rt2x00dev, 66, 0x38);
a9dce149
GW
1552
1553 if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860C)) {
1554 rt2800_bbp_write(rt2x00dev, 69, 0x16);
1555 rt2800_bbp_write(rt2x00dev, 73, 0x12);
1556 } else {
1557 rt2800_bbp_write(rt2x00dev, 69, 0x12);
1558 rt2800_bbp_write(rt2x00dev, 73, 0x10);
1559 }
1560
fcf51541 1561 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
8cdd15e0 1562
d5385bfc 1563 if (rt2x00_rt(rt2x00dev, RT3070) ||
64522957
GW
1564 rt2x00_rt(rt2x00dev, RT3071) ||
1565 rt2x00_rt(rt2x00dev, RT3090)) {
8cdd15e0
GW
1566 rt2800_bbp_write(rt2x00dev, 79, 0x13);
1567 rt2800_bbp_write(rt2x00dev, 80, 0x05);
1568 rt2800_bbp_write(rt2x00dev, 81, 0x33);
1569 } else {
1570 rt2800_bbp_write(rt2x00dev, 81, 0x37);
1571 }
1572
fcf51541
BZ
1573 rt2800_bbp_write(rt2x00dev, 82, 0x62);
1574 rt2800_bbp_write(rt2x00dev, 83, 0x6a);
a9dce149
GW
1575
1576 if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860D) ||
1577 rt2x00_rt_rev(rt2x00dev, RT2870, REV_RT2870D))
1578 rt2800_bbp_write(rt2x00dev, 84, 0x19);
1579 else
1580 rt2800_bbp_write(rt2x00dev, 84, 0x99);
1581
fcf51541
BZ
1582 rt2800_bbp_write(rt2x00dev, 86, 0x00);
1583 rt2800_bbp_write(rt2x00dev, 91, 0x04);
1584 rt2800_bbp_write(rt2x00dev, 92, 0x00);
8cdd15e0 1585
d5385bfc 1586 if (rt2x00_rt_rev_gte(rt2x00dev, RT3070, REV_RT3070F) ||
64522957
GW
1587 rt2x00_rt_rev_gte(rt2x00dev, RT3071, REV_RT3071E) ||
1588 rt2x00_rt_rev_gte(rt2x00dev, RT3090, REV_RT3090E))
8cdd15e0
GW
1589 rt2800_bbp_write(rt2x00dev, 103, 0xc0);
1590 else
1591 rt2800_bbp_write(rt2x00dev, 103, 0x00);
1592
fcf51541 1593 rt2800_bbp_write(rt2x00dev, 105, 0x05);
a9dce149 1594 rt2800_bbp_write(rt2x00dev, 106, 0x35);
fcf51541 1595
64522957
GW
1596 if (rt2x00_rt(rt2x00dev, RT3071) ||
1597 rt2x00_rt(rt2x00dev, RT3090)) {
d5385bfc
GW
1598 rt2800_bbp_read(rt2x00dev, 138, &value);
1599
1600 rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
1601 if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TXPATH) == 1)
1602 value |= 0x20;
1603 if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RXPATH) == 1)
1604 value &= ~0x02;
1605
1606 rt2800_bbp_write(rt2x00dev, 138, value);
1607 }
1608
e148b4c8
GW
1609 if (rt2x00_rt(rt2x00dev, RT2872)) {
1610 rt2800_bbp_write(rt2x00dev, 31, 0x08);
1611 rt2800_bbp_write(rt2x00dev, 78, 0x0e);
1612 rt2800_bbp_write(rt2x00dev, 80, 0x08);
1613 }
1614
fcf51541
BZ
1615 for (i = 0; i < EEPROM_BBP_SIZE; i++) {
1616 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom);
1617
1618 if (eeprom != 0xffff && eeprom != 0x0000) {
1619 reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
1620 value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
1621 rt2800_bbp_write(rt2x00dev, reg_id, value);
1622 }
1623 }
1624
1625 return 0;
1626}
1627EXPORT_SYMBOL_GPL(rt2800_init_bbp);
1628
1629static u8 rt2800_init_rx_filter(struct rt2x00_dev *rt2x00dev,
1630 bool bw40, u8 rfcsr24, u8 filter_target)
1631{
1632 unsigned int i;
1633 u8 bbp;
1634 u8 rfcsr;
1635 u8 passband;
1636 u8 stopband;
1637 u8 overtuned = 0;
1638
1639 rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
1640
1641 rt2800_bbp_read(rt2x00dev, 4, &bbp);
1642 rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * bw40);
1643 rt2800_bbp_write(rt2x00dev, 4, bbp);
1644
1645 rt2800_rfcsr_read(rt2x00dev, 22, &rfcsr);
1646 rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 1);
1647 rt2800_rfcsr_write(rt2x00dev, 22, rfcsr);
1648
1649 /*
1650 * Set power & frequency of passband test tone
1651 */
1652 rt2800_bbp_write(rt2x00dev, 24, 0);
1653
1654 for (i = 0; i < 100; i++) {
1655 rt2800_bbp_write(rt2x00dev, 25, 0x90);
1656 msleep(1);
1657
1658 rt2800_bbp_read(rt2x00dev, 55, &passband);
1659 if (passband)
1660 break;
1661 }
1662
1663 /*
1664 * Set power & frequency of stopband test tone
1665 */
1666 rt2800_bbp_write(rt2x00dev, 24, 0x06);
1667
1668 for (i = 0; i < 100; i++) {
1669 rt2800_bbp_write(rt2x00dev, 25, 0x90);
1670 msleep(1);
1671
1672 rt2800_bbp_read(rt2x00dev, 55, &stopband);
1673
1674 if ((passband - stopband) <= filter_target) {
1675 rfcsr24++;
1676 overtuned += ((passband - stopband) == filter_target);
1677 } else
1678 break;
1679
1680 rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
1681 }
1682
1683 rfcsr24 -= !!overtuned;
1684
1685 rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
1686 return rfcsr24;
1687}
1688
1689int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
1690{
1691 u8 rfcsr;
1692 u8 bbp;
8cdd15e0
GW
1693 u32 reg;
1694 u16 eeprom;
fcf51541 1695
d5385bfc 1696 if (!rt2x00_rt(rt2x00dev, RT3070) &&
64522957
GW
1697 !rt2x00_rt(rt2x00dev, RT3071) &&
1698 !rt2x00_rt(rt2x00dev, RT3090))
fcf51541
BZ
1699 return 0;
1700
fcf51541
BZ
1701 /*
1702 * Init RF calibration.
1703 */
1704 rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr);
1705 rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 1);
1706 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
1707 msleep(1);
1708 rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 0);
1709 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
1710
d5385bfc 1711 if (rt2x00_rt(rt2x00dev, RT3070) ||
64522957
GW
1712 rt2x00_rt(rt2x00dev, RT3071) ||
1713 rt2x00_rt(rt2x00dev, RT3090)) {
fcf51541
BZ
1714 rt2800_rfcsr_write(rt2x00dev, 4, 0x40);
1715 rt2800_rfcsr_write(rt2x00dev, 5, 0x03);
1716 rt2800_rfcsr_write(rt2x00dev, 6, 0x02);
1717 rt2800_rfcsr_write(rt2x00dev, 7, 0x70);
1718 rt2800_rfcsr_write(rt2x00dev, 9, 0x0f);
8cdd15e0 1719 rt2800_rfcsr_write(rt2x00dev, 10, 0x41);
fcf51541
BZ
1720 rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
1721 rt2800_rfcsr_write(rt2x00dev, 12, 0x7b);
1722 rt2800_rfcsr_write(rt2x00dev, 14, 0x90);
1723 rt2800_rfcsr_write(rt2x00dev, 15, 0x58);
1724 rt2800_rfcsr_write(rt2x00dev, 16, 0xb3);
1725 rt2800_rfcsr_write(rt2x00dev, 17, 0x92);
1726 rt2800_rfcsr_write(rt2x00dev, 18, 0x2c);
1727 rt2800_rfcsr_write(rt2x00dev, 19, 0x02);
1728 rt2800_rfcsr_write(rt2x00dev, 20, 0xba);
1729 rt2800_rfcsr_write(rt2x00dev, 21, 0xdb);
1730 rt2800_rfcsr_write(rt2x00dev, 24, 0x16);
1731 rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
fcf51541 1732 rt2800_rfcsr_write(rt2x00dev, 29, 0x1f);
8cdd15e0
GW
1733 }
1734
1735 if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F)) {
1736 rt2800_register_read(rt2x00dev, LDO_CFG0, &reg);
1737 rt2x00_set_field32(&reg, LDO_CFG0_BGSEL, 1);
1738 rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 3);
1739 rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
64522957
GW
1740 } else if (rt2x00_rt(rt2x00dev, RT3071) ||
1741 rt2x00_rt(rt2x00dev, RT3090)) {
d5385bfc
GW
1742 rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
1743 rt2x00_set_field8(&rfcsr, RFCSR6_R2, 1);
1744 rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
1745
1746 rt2800_rfcsr_write(rt2x00dev, 31, 0x14);
1747
1748 rt2800_register_read(rt2x00dev, LDO_CFG0, &reg);
1749 rt2x00_set_field32(&reg, LDO_CFG0_BGSEL, 1);
64522957
GW
1750 if (rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) ||
1751 rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E)) {
d5385bfc
GW
1752 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &eeprom);
1753 if (rt2x00_get_field16(eeprom, EEPROM_NIC_DAC_TEST))
1754 rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 3);
1755 else
1756 rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 0);
1757 }
1758 rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
fcf51541
BZ
1759 }
1760
1761 /*
1762 * Set RX Filter calibration for 20MHz and 40MHz
1763 */
8cdd15e0
GW
1764 if (rt2x00_rt(rt2x00dev, RT3070)) {
1765 rt2x00dev->calibration[0] =
1766 rt2800_init_rx_filter(rt2x00dev, false, 0x07, 0x16);
1767 rt2x00dev->calibration[1] =
1768 rt2800_init_rx_filter(rt2x00dev, true, 0x27, 0x19);
64522957
GW
1769 } else if (rt2x00_rt(rt2x00dev, RT3071) ||
1770 rt2x00_rt(rt2x00dev, RT3090)) {
d5385bfc
GW
1771 rt2x00dev->calibration[0] =
1772 rt2800_init_rx_filter(rt2x00dev, false, 0x07, 0x13);
1773 rt2x00dev->calibration[1] =
1774 rt2800_init_rx_filter(rt2x00dev, true, 0x27, 0x15);
8cdd15e0 1775 }
fcf51541
BZ
1776
1777 /*
1778 * Set back to initial state
1779 */
1780 rt2800_bbp_write(rt2x00dev, 24, 0);
1781
1782 rt2800_rfcsr_read(rt2x00dev, 22, &rfcsr);
1783 rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 0);
1784 rt2800_rfcsr_write(rt2x00dev, 22, rfcsr);
1785
1786 /*
1787 * set BBP back to BW20
1788 */
1789 rt2800_bbp_read(rt2x00dev, 4, &bbp);
1790 rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 0);
1791 rt2800_bbp_write(rt2x00dev, 4, bbp);
1792
d5385bfc 1793 if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F) ||
64522957
GW
1794 rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) ||
1795 rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E))
8cdd15e0
GW
1796 rt2800_rfcsr_write(rt2x00dev, 27, 0x03);
1797
1798 rt2800_register_read(rt2x00dev, OPT_14_CSR, &reg);
1799 rt2x00_set_field32(&reg, OPT_14_CSR_BIT0, 1);
1800 rt2800_register_write(rt2x00dev, OPT_14_CSR, reg);
1801
1802 rt2800_rfcsr_read(rt2x00dev, 17, &rfcsr);
1803 rt2x00_set_field8(&rfcsr, RFCSR17_TX_LO1_EN, 0);
64522957
GW
1804 if (rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) ||
1805 rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E)) {
d5385bfc
GW
1806 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &eeprom);
1807 if (rt2x00_get_field16(eeprom, EEPROM_NIC_EXTERNAL_LNA_BG))
1808 rt2x00_set_field8(&rfcsr, RFCSR17_R, 1);
1809 }
8cdd15e0
GW
1810 rt2x00_eeprom_read(rt2x00dev, EEPROM_TXMIXER_GAIN_BG, &eeprom);
1811 if (rt2x00_get_field16(eeprom, EEPROM_TXMIXER_GAIN_BG_VAL) >= 1)
1812 rt2x00_set_field8(&rfcsr, RFCSR17_TXMIXER_GAIN,
1813 rt2x00_get_field16(eeprom,
1814 EEPROM_TXMIXER_GAIN_BG_VAL));
1815 rt2800_rfcsr_write(rt2x00dev, 17, rfcsr);
1816
64522957
GW
1817 if (rt2x00_rt(rt2x00dev, RT3090)) {
1818 rt2800_bbp_read(rt2x00dev, 138, &bbp);
1819
1820 rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
1821 if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RXPATH) == 1)
1822 rt2x00_set_field8(&bbp, BBP138_RX_ADC1, 0);
1823 if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TXPATH) == 1)
1824 rt2x00_set_field8(&bbp, BBP138_TX_DAC1, 1);
1825
1826 rt2800_bbp_write(rt2x00dev, 138, bbp);
1827 }
1828
1829 if (rt2x00_rt(rt2x00dev, RT3071) ||
1830 rt2x00_rt(rt2x00dev, RT3090)) {
d5385bfc
GW
1831 rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
1832 rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1);
1833 rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0);
1834 rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0);
1835 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1);
1836 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1);
1837 rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
1838
1839 rt2800_rfcsr_read(rt2x00dev, 15, &rfcsr);
1840 rt2x00_set_field8(&rfcsr, RFCSR15_TX_LO2_EN, 0);
1841 rt2800_rfcsr_write(rt2x00dev, 15, rfcsr);
1842
1843 rt2800_rfcsr_read(rt2x00dev, 20, &rfcsr);
1844 rt2x00_set_field8(&rfcsr, RFCSR20_RX_LO1_EN, 0);
1845 rt2800_rfcsr_write(rt2x00dev, 20, rfcsr);
1846
1847 rt2800_rfcsr_read(rt2x00dev, 21, &rfcsr);
1848 rt2x00_set_field8(&rfcsr, RFCSR21_RX_LO2_EN, 0);
1849 rt2800_rfcsr_write(rt2x00dev, 21, rfcsr);
1850 }
1851
1852 if (rt2x00_rt(rt2x00dev, RT3070) || rt2x00_rt(rt2x00dev, RT3071)) {
8cdd15e0 1853 rt2800_rfcsr_read(rt2x00dev, 27, &rfcsr);
d5385bfc
GW
1854 if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F) ||
1855 rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E))
8cdd15e0
GW
1856 rt2x00_set_field8(&rfcsr, RFCSR27_R1, 3);
1857 else
1858 rt2x00_set_field8(&rfcsr, RFCSR27_R1, 0);
1859 rt2x00_set_field8(&rfcsr, RFCSR27_R2, 0);
1860 rt2x00_set_field8(&rfcsr, RFCSR27_R3, 0);
1861 rt2x00_set_field8(&rfcsr, RFCSR27_R4, 0);
1862 rt2800_rfcsr_write(rt2x00dev, 27, rfcsr);
1863 }
1864
fcf51541
BZ
1865 return 0;
1866}
1867EXPORT_SYMBOL_GPL(rt2800_init_rfcsr);
2ce33995 1868
30e84034
BZ
1869int rt2800_efuse_detect(struct rt2x00_dev *rt2x00dev)
1870{
1871 u32 reg;
1872
1873 rt2800_register_read(rt2x00dev, EFUSE_CTRL, &reg);
1874
1875 return rt2x00_get_field32(reg, EFUSE_CTRL_PRESENT);
1876}
1877EXPORT_SYMBOL_GPL(rt2800_efuse_detect);
1878
1879static void rt2800_efuse_read(struct rt2x00_dev *rt2x00dev, unsigned int i)
1880{
1881 u32 reg;
1882
31a4cf1f
GW
1883 mutex_lock(&rt2x00dev->csr_mutex);
1884
1885 rt2800_register_read_lock(rt2x00dev, EFUSE_CTRL, &reg);
30e84034
BZ
1886 rt2x00_set_field32(&reg, EFUSE_CTRL_ADDRESS_IN, i);
1887 rt2x00_set_field32(&reg, EFUSE_CTRL_MODE, 0);
1888 rt2x00_set_field32(&reg, EFUSE_CTRL_KICK, 1);
31a4cf1f 1889 rt2800_register_write_lock(rt2x00dev, EFUSE_CTRL, reg);
30e84034
BZ
1890
1891 /* Wait until the EEPROM has been loaded */
1892 rt2800_regbusy_read(rt2x00dev, EFUSE_CTRL, EFUSE_CTRL_KICK, &reg);
1893
1894 /* Apparently the data is read from end to start */
31a4cf1f
GW
1895 rt2800_register_read_lock(rt2x00dev, EFUSE_DATA3,
1896 (u32 *)&rt2x00dev->eeprom[i]);
1897 rt2800_register_read_lock(rt2x00dev, EFUSE_DATA2,
1898 (u32 *)&rt2x00dev->eeprom[i + 2]);
1899 rt2800_register_read_lock(rt2x00dev, EFUSE_DATA1,
1900 (u32 *)&rt2x00dev->eeprom[i + 4]);
1901 rt2800_register_read_lock(rt2x00dev, EFUSE_DATA0,
1902 (u32 *)&rt2x00dev->eeprom[i + 6]);
1903
1904 mutex_unlock(&rt2x00dev->csr_mutex);
30e84034
BZ
1905}
1906
1907void rt2800_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev)
1908{
1909 unsigned int i;
1910
1911 for (i = 0; i < EEPROM_SIZE / sizeof(u16); i += 8)
1912 rt2800_efuse_read(rt2x00dev, i);
1913}
1914EXPORT_SYMBOL_GPL(rt2800_read_eeprom_efuse);
1915
38bd7b8a
BZ
1916int rt2800_validate_eeprom(struct rt2x00_dev *rt2x00dev)
1917{
1918 u16 word;
1919 u8 *mac;
1920 u8 default_lna_gain;
1921
1922 /*
1923 * Start validation of the data that has been read.
1924 */
1925 mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
1926 if (!is_valid_ether_addr(mac)) {
1927 random_ether_addr(mac);
1928 EEPROM(rt2x00dev, "MAC: %pM\n", mac);
1929 }
1930
1931 rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
1932 if (word == 0xffff) {
1933 rt2x00_set_field16(&word, EEPROM_ANTENNA_RXPATH, 2);
1934 rt2x00_set_field16(&word, EEPROM_ANTENNA_TXPATH, 1);
1935 rt2x00_set_field16(&word, EEPROM_ANTENNA_RF_TYPE, RF2820);
1936 rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word);
1937 EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word);
49e721ec
GW
1938 } else if (rt2x00_rt(rt2x00dev, RT2860) ||
1939 rt2x00_rt(rt2x00dev, RT2870) ||
1940 rt2x00_rt(rt2x00dev, RT2872) ||
e148b4c8 1941 rt2x00_rt(rt2x00dev, RT2872)) {
38bd7b8a
BZ
1942 /*
1943 * There is a max of 2 RX streams for RT28x0 series
1944 */
1945 if (rt2x00_get_field16(word, EEPROM_ANTENNA_RXPATH) > 2)
1946 rt2x00_set_field16(&word, EEPROM_ANTENNA_RXPATH, 2);
1947 rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word);
1948 }
1949
1950 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &word);
1951 if (word == 0xffff) {
1952 rt2x00_set_field16(&word, EEPROM_NIC_HW_RADIO, 0);
1953 rt2x00_set_field16(&word, EEPROM_NIC_DYNAMIC_TX_AGC, 0);
1954 rt2x00_set_field16(&word, EEPROM_NIC_EXTERNAL_LNA_BG, 0);
1955 rt2x00_set_field16(&word, EEPROM_NIC_EXTERNAL_LNA_A, 0);
1956 rt2x00_set_field16(&word, EEPROM_NIC_CARDBUS_ACCEL, 0);
1957 rt2x00_set_field16(&word, EEPROM_NIC_BW40M_SB_BG, 0);
1958 rt2x00_set_field16(&word, EEPROM_NIC_BW40M_SB_A, 0);
1959 rt2x00_set_field16(&word, EEPROM_NIC_WPS_PBC, 0);
1960 rt2x00_set_field16(&word, EEPROM_NIC_BW40M_BG, 0);
1961 rt2x00_set_field16(&word, EEPROM_NIC_BW40M_A, 0);
1962 rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC, word);
1963 EEPROM(rt2x00dev, "NIC: 0x%04x\n", word);
1964 }
1965
1966 rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &word);
1967 if ((word & 0x00ff) == 0x00ff) {
1968 rt2x00_set_field16(&word, EEPROM_FREQ_OFFSET, 0);
1969 rt2x00_set_field16(&word, EEPROM_FREQ_LED_MODE,
1970 LED_MODE_TXRX_ACTIVITY);
1971 rt2x00_set_field16(&word, EEPROM_FREQ_LED_POLARITY, 0);
1972 rt2x00_eeprom_write(rt2x00dev, EEPROM_FREQ, word);
1973 rt2x00_eeprom_write(rt2x00dev, EEPROM_LED1, 0x5555);
1974 rt2x00_eeprom_write(rt2x00dev, EEPROM_LED2, 0x2221);
1975 rt2x00_eeprom_write(rt2x00dev, EEPROM_LED3, 0xa9f8);
1976 EEPROM(rt2x00dev, "Freq: 0x%04x\n", word);
1977 }
1978
1979 /*
1980 * During the LNA validation we are going to use
1981 * lna0 as correct value. Note that EEPROM_LNA
1982 * is never validated.
1983 */
1984 rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &word);
1985 default_lna_gain = rt2x00_get_field16(word, EEPROM_LNA_A0);
1986
1987 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG, &word);
1988 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG_OFFSET0)) > 10)
1989 rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET0, 0);
1990 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG_OFFSET1)) > 10)
1991 rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET1, 0);
1992 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_BG, word);
1993
1994 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2, &word);
1995 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG2_OFFSET2)) > 10)
1996 rt2x00_set_field16(&word, EEPROM_RSSI_BG2_OFFSET2, 0);
1997 if (rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0x00 ||
1998 rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0xff)
1999 rt2x00_set_field16(&word, EEPROM_RSSI_BG2_LNA_A1,
2000 default_lna_gain);
2001 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_BG2, word);
2002
2003 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A, &word);
2004 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET0)) > 10)
2005 rt2x00_set_field16(&word, EEPROM_RSSI_A_OFFSET0, 0);
2006 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET1)) > 10)
2007 rt2x00_set_field16(&word, EEPROM_RSSI_A_OFFSET1, 0);
2008 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_A, word);
2009
2010 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A2, &word);
2011 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A2_OFFSET2)) > 10)
2012 rt2x00_set_field16(&word, EEPROM_RSSI_A2_OFFSET2, 0);
2013 if (rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0x00 ||
2014 rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0xff)
2015 rt2x00_set_field16(&word, EEPROM_RSSI_A2_LNA_A2,
2016 default_lna_gain);
2017 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_A2, word);
2018
2019 return 0;
2020}
2021EXPORT_SYMBOL_GPL(rt2800_validate_eeprom);
2022
2023int rt2800_init_eeprom(struct rt2x00_dev *rt2x00dev)
2024{
2025 u32 reg;
2026 u16 value;
2027 u16 eeprom;
2028
2029 /*
2030 * Read EEPROM word for configuration.
2031 */
2032 rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
2033
2034 /*
2035 * Identify RF chipset.
2036 */
2037 value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE);
2038 rt2800_register_read(rt2x00dev, MAC_CSR0, &reg);
2039
49e721ec
GW
2040 rt2x00_set_chip(rt2x00dev, rt2x00_get_field32(reg, MAC_CSR0_CHIPSET),
2041 value, rt2x00_get_field32(reg, MAC_CSR0_REVISION));
2042
2043 if (!rt2x00_rt(rt2x00dev, RT2860) &&
2044 !rt2x00_rt(rt2x00dev, RT2870) &&
2045 !rt2x00_rt(rt2x00dev, RT2872) &&
49e721ec 2046 !rt2x00_rt(rt2x00dev, RT2883) &&
49e721ec
GW
2047 !rt2x00_rt(rt2x00dev, RT3070) &&
2048 !rt2x00_rt(rt2x00dev, RT3071) &&
2049 !rt2x00_rt(rt2x00dev, RT3090) &&
2050 !rt2x00_rt(rt2x00dev, RT3390) &&
2051 !rt2x00_rt(rt2x00dev, RT3572)) {
2052 ERROR(rt2x00dev, "Invalid RT chipset detected.\n");
2053 return -ENODEV;
f273fe55 2054 }
714fa663 2055
5122d898
GW
2056 if (!rt2x00_rf(rt2x00dev, RF2820) &&
2057 !rt2x00_rf(rt2x00dev, RF2850) &&
2058 !rt2x00_rf(rt2x00dev, RF2720) &&
2059 !rt2x00_rf(rt2x00dev, RF2750) &&
2060 !rt2x00_rf(rt2x00dev, RF3020) &&
2061 !rt2x00_rf(rt2x00dev, RF2020) &&
2062 !rt2x00_rf(rt2x00dev, RF3021) &&
6c0fe265
GW
2063 !rt2x00_rf(rt2x00dev, RF3022) &&
2064 !rt2x00_rf(rt2x00dev, RF3052)) {
38bd7b8a
BZ
2065 ERROR(rt2x00dev, "Invalid RF chipset detected.\n");
2066 return -ENODEV;
2067 }
2068
2069 /*
2070 * Identify default antenna configuration.
2071 */
2072 rt2x00dev->default_ant.tx =
2073 rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TXPATH);
2074 rt2x00dev->default_ant.rx =
2075 rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RXPATH);
2076
2077 /*
2078 * Read frequency offset and RF programming sequence.
2079 */
2080 rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &eeprom);
2081 rt2x00dev->freq_offset = rt2x00_get_field16(eeprom, EEPROM_FREQ_OFFSET);
2082
2083 /*
2084 * Read external LNA informations.
2085 */
2086 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &eeprom);
2087
2088 if (rt2x00_get_field16(eeprom, EEPROM_NIC_EXTERNAL_LNA_A))
2089 __set_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags);
2090 if (rt2x00_get_field16(eeprom, EEPROM_NIC_EXTERNAL_LNA_BG))
2091 __set_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags);
2092
2093 /*
2094 * Detect if this device has an hardware controlled radio.
2095 */
2096 if (rt2x00_get_field16(eeprom, EEPROM_NIC_HW_RADIO))
2097 __set_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags);
2098
2099 /*
2100 * Store led settings, for correct led behaviour.
2101 */
2102#ifdef CONFIG_RT2X00_LIB_LEDS
2103 rt2800_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO);
2104 rt2800_init_led(rt2x00dev, &rt2x00dev->led_assoc, LED_TYPE_ASSOC);
2105 rt2800_init_led(rt2x00dev, &rt2x00dev->led_qual, LED_TYPE_QUALITY);
2106
2107 rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &rt2x00dev->led_mcu_reg);
2108#endif /* CONFIG_RT2X00_LIB_LEDS */
2109
2110 return 0;
2111}
2112EXPORT_SYMBOL_GPL(rt2800_init_eeprom);
2113
4da2933f
BZ
2114/*
2115 * RF value list for rt28x0
2116 * Supports: 2.4 GHz (all) & 5.2 GHz (RF2850 & RF2750)
2117 */
2118static const struct rf_channel rf_vals[] = {
2119 { 1, 0x18402ecc, 0x184c0786, 0x1816b455, 0x1800510b },
2120 { 2, 0x18402ecc, 0x184c0786, 0x18168a55, 0x1800519f },
2121 { 3, 0x18402ecc, 0x184c078a, 0x18168a55, 0x1800518b },
2122 { 4, 0x18402ecc, 0x184c078a, 0x18168a55, 0x1800519f },
2123 { 5, 0x18402ecc, 0x184c078e, 0x18168a55, 0x1800518b },
2124 { 6, 0x18402ecc, 0x184c078e, 0x18168a55, 0x1800519f },
2125 { 7, 0x18402ecc, 0x184c0792, 0x18168a55, 0x1800518b },
2126 { 8, 0x18402ecc, 0x184c0792, 0x18168a55, 0x1800519f },
2127 { 9, 0x18402ecc, 0x184c0796, 0x18168a55, 0x1800518b },
2128 { 10, 0x18402ecc, 0x184c0796, 0x18168a55, 0x1800519f },
2129 { 11, 0x18402ecc, 0x184c079a, 0x18168a55, 0x1800518b },
2130 { 12, 0x18402ecc, 0x184c079a, 0x18168a55, 0x1800519f },
2131 { 13, 0x18402ecc, 0x184c079e, 0x18168a55, 0x1800518b },
2132 { 14, 0x18402ecc, 0x184c07a2, 0x18168a55, 0x18005193 },
2133
2134 /* 802.11 UNI / HyperLan 2 */
2135 { 36, 0x18402ecc, 0x184c099a, 0x18158a55, 0x180ed1a3 },
2136 { 38, 0x18402ecc, 0x184c099e, 0x18158a55, 0x180ed193 },
2137 { 40, 0x18402ec8, 0x184c0682, 0x18158a55, 0x180ed183 },
2138 { 44, 0x18402ec8, 0x184c0682, 0x18158a55, 0x180ed1a3 },
2139 { 46, 0x18402ec8, 0x184c0686, 0x18158a55, 0x180ed18b },
2140 { 48, 0x18402ec8, 0x184c0686, 0x18158a55, 0x180ed19b },
2141 { 52, 0x18402ec8, 0x184c068a, 0x18158a55, 0x180ed193 },
2142 { 54, 0x18402ec8, 0x184c068a, 0x18158a55, 0x180ed1a3 },
2143 { 56, 0x18402ec8, 0x184c068e, 0x18158a55, 0x180ed18b },
2144 { 60, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed183 },
2145 { 62, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed193 },
2146 { 64, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed1a3 },
2147
2148 /* 802.11 HyperLan 2 */
2149 { 100, 0x18402ec8, 0x184c06b2, 0x18178a55, 0x180ed783 },
2150 { 102, 0x18402ec8, 0x184c06b2, 0x18578a55, 0x180ed793 },
2151 { 104, 0x18402ec8, 0x185c06b2, 0x18578a55, 0x180ed1a3 },
2152 { 108, 0x18402ecc, 0x185c0a32, 0x18578a55, 0x180ed193 },
2153 { 110, 0x18402ecc, 0x184c0a36, 0x18178a55, 0x180ed183 },
2154 { 112, 0x18402ecc, 0x184c0a36, 0x18178a55, 0x180ed19b },
2155 { 116, 0x18402ecc, 0x184c0a3a, 0x18178a55, 0x180ed1a3 },
2156 { 118, 0x18402ecc, 0x184c0a3e, 0x18178a55, 0x180ed193 },
2157 { 120, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed183 },
2158 { 124, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed193 },
2159 { 126, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed15b },
2160 { 128, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed1a3 },
2161 { 132, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed18b },
2162 { 134, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed193 },
2163 { 136, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed19b },
2164 { 140, 0x18402ec4, 0x184c038a, 0x18178a55, 0x180ed183 },
2165
2166 /* 802.11 UNII */
2167 { 149, 0x18402ec4, 0x184c038a, 0x18178a55, 0x180ed1a7 },
2168 { 151, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed187 },
2169 { 153, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed18f },
2170 { 157, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed19f },
2171 { 159, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed1a7 },
2172 { 161, 0x18402ec4, 0x184c0392, 0x18178a55, 0x180ed187 },
2173 { 165, 0x18402ec4, 0x184c0392, 0x18178a55, 0x180ed197 },
2174 { 167, 0x18402ec4, 0x184c03d2, 0x18179855, 0x1815531f },
2175 { 169, 0x18402ec4, 0x184c03d2, 0x18179855, 0x18155327 },
2176 { 171, 0x18402ec4, 0x184c03d6, 0x18179855, 0x18155307 },
2177 { 173, 0x18402ec4, 0x184c03d6, 0x18179855, 0x1815530f },
2178
2179 /* 802.11 Japan */
2180 { 184, 0x15002ccc, 0x1500491e, 0x1509be55, 0x150c0a0b },
2181 { 188, 0x15002ccc, 0x15004922, 0x1509be55, 0x150c0a13 },
2182 { 192, 0x15002ccc, 0x15004926, 0x1509be55, 0x150c0a1b },
2183 { 196, 0x15002ccc, 0x1500492a, 0x1509be55, 0x150c0a23 },
2184 { 208, 0x15002ccc, 0x1500493a, 0x1509be55, 0x150c0a13 },
2185 { 212, 0x15002ccc, 0x1500493e, 0x1509be55, 0x150c0a1b },
2186 { 216, 0x15002ccc, 0x15004982, 0x1509be55, 0x150c0a23 },
2187};
2188
2189/*
2190 * RF value list for rt3070
2191 * Supports: 2.4 GHz
2192 */
cce5fc45 2193static const struct rf_channel rf_vals_302x[] = {
4da2933f
BZ
2194 {1, 241, 2, 2 },
2195 {2, 241, 2, 7 },
2196 {3, 242, 2, 2 },
2197 {4, 242, 2, 7 },
2198 {5, 243, 2, 2 },
2199 {6, 243, 2, 7 },
2200 {7, 244, 2, 2 },
2201 {8, 244, 2, 7 },
2202 {9, 245, 2, 2 },
2203 {10, 245, 2, 7 },
2204 {11, 246, 2, 2 },
2205 {12, 246, 2, 7 },
2206 {13, 247, 2, 2 },
2207 {14, 248, 2, 4 },
2208};
2209
2210int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
2211{
4da2933f
BZ
2212 struct hw_mode_spec *spec = &rt2x00dev->spec;
2213 struct channel_info *info;
2214 char *tx_power1;
2215 char *tx_power2;
2216 unsigned int i;
2217 u16 eeprom;
2218
93b6bd26
GW
2219 /*
2220 * Disable powersaving as default on PCI devices.
2221 */
cea90e55 2222 if (rt2x00_is_pci(rt2x00dev) || rt2x00_is_soc(rt2x00dev))
93b6bd26
GW
2223 rt2x00dev->hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
2224
4da2933f
BZ
2225 /*
2226 * Initialize all hw fields.
2227 */
2228 rt2x00dev->hw->flags =
2229 IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
2230 IEEE80211_HW_SIGNAL_DBM |
2231 IEEE80211_HW_SUPPORTS_PS |
2232 IEEE80211_HW_PS_NULLFUNC_STACK;
2233
4da2933f
BZ
2234 SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
2235 SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
2236 rt2x00_eeprom_addr(rt2x00dev,
2237 EEPROM_MAC_ADDR_0));
2238
2239 rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
2240
2241 /*
2242 * Initialize hw_mode information.
2243 */
2244 spec->supported_bands = SUPPORT_BAND_2GHZ;
2245 spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM;
2246
5122d898
GW
2247 if (rt2x00_rf(rt2x00dev, RF2820) ||
2248 rt2x00_rf(rt2x00dev, RF2720) ||
6c0fe265 2249 rt2x00_rf(rt2x00dev, RF3052)) {
4da2933f
BZ
2250 spec->num_channels = 14;
2251 spec->channels = rf_vals;
5122d898 2252 } else if (rt2x00_rf(rt2x00dev, RF2850) || rt2x00_rf(rt2x00dev, RF2750)) {
4da2933f
BZ
2253 spec->supported_bands |= SUPPORT_BAND_5GHZ;
2254 spec->num_channels = ARRAY_SIZE(rf_vals);
2255 spec->channels = rf_vals;
5122d898
GW
2256 } else if (rt2x00_rf(rt2x00dev, RF3020) ||
2257 rt2x00_rf(rt2x00dev, RF2020) ||
2258 rt2x00_rf(rt2x00dev, RF3021) ||
2259 rt2x00_rf(rt2x00dev, RF3022)) {
cce5fc45
GW
2260 spec->num_channels = ARRAY_SIZE(rf_vals_302x);
2261 spec->channels = rf_vals_302x;
4da2933f
BZ
2262 }
2263
2264 /*
2265 * Initialize HT information.
2266 */
5122d898 2267 if (!rt2x00_rf(rt2x00dev, RF2020))
38a522e6
GW
2268 spec->ht.ht_supported = true;
2269 else
2270 spec->ht.ht_supported = false;
2271
4da2933f
BZ
2272 spec->ht.cap =
2273 IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
2274 IEEE80211_HT_CAP_GRN_FLD |
2275 IEEE80211_HT_CAP_SGI_20 |
2276 IEEE80211_HT_CAP_SGI_40 |
2277 IEEE80211_HT_CAP_TX_STBC |
9a418af5 2278 IEEE80211_HT_CAP_RX_STBC;
4da2933f
BZ
2279 spec->ht.ampdu_factor = 3;
2280 spec->ht.ampdu_density = 4;
2281 spec->ht.mcs.tx_params =
2282 IEEE80211_HT_MCS_TX_DEFINED |
2283 IEEE80211_HT_MCS_TX_RX_DIFF |
2284 ((rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TXPATH) - 1) <<
2285 IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT);
2286
2287 switch (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RXPATH)) {
2288 case 3:
2289 spec->ht.mcs.rx_mask[2] = 0xff;
2290 case 2:
2291 spec->ht.mcs.rx_mask[1] = 0xff;
2292 case 1:
2293 spec->ht.mcs.rx_mask[0] = 0xff;
2294 spec->ht.mcs.rx_mask[4] = 0x1; /* MCS32 */
2295 break;
2296 }
2297
2298 /*
2299 * Create channel information array
2300 */
2301 info = kzalloc(spec->num_channels * sizeof(*info), GFP_KERNEL);
2302 if (!info)
2303 return -ENOMEM;
2304
2305 spec->channels_info = info;
2306
2307 tx_power1 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG1);
2308 tx_power2 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG2);
2309
2310 for (i = 0; i < 14; i++) {
2311 info[i].tx_power1 = TXPOWER_G_FROM_DEV(tx_power1[i]);
2312 info[i].tx_power2 = TXPOWER_G_FROM_DEV(tx_power2[i]);
2313 }
2314
2315 if (spec->num_channels > 14) {
2316 tx_power1 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A1);
2317 tx_power2 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A2);
2318
2319 for (i = 14; i < spec->num_channels; i++) {
2320 info[i].tx_power1 = TXPOWER_A_FROM_DEV(tx_power1[i]);
2321 info[i].tx_power2 = TXPOWER_A_FROM_DEV(tx_power2[i]);
2322 }
2323 }
2324
2325 return 0;
2326}
2327EXPORT_SYMBOL_GPL(rt2800_probe_hw_mode);
2328
2ce33995
BZ
2329/*
2330 * IEEE80211 stack callback functions.
2331 */
2332static void rt2800_get_tkip_seq(struct ieee80211_hw *hw, u8 hw_key_idx,
2333 u32 *iv32, u16 *iv16)
2334{
2335 struct rt2x00_dev *rt2x00dev = hw->priv;
2336 struct mac_iveiv_entry iveiv_entry;
2337 u32 offset;
2338
2339 offset = MAC_IVEIV_ENTRY(hw_key_idx);
2340 rt2800_register_multiread(rt2x00dev, offset,
2341 &iveiv_entry, sizeof(iveiv_entry));
2342
855da5e0
JL
2343 memcpy(iv16, &iveiv_entry.iv[0], sizeof(*iv16));
2344 memcpy(iv32, &iveiv_entry.iv[4], sizeof(*iv32));
2ce33995
BZ
2345}
2346
2347static int rt2800_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
2348{
2349 struct rt2x00_dev *rt2x00dev = hw->priv;
2350 u32 reg;
2351 bool enabled = (value < IEEE80211_MAX_RTS_THRESHOLD);
2352
2353 rt2800_register_read(rt2x00dev, TX_RTS_CFG, &reg);
2354 rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_THRES, value);
2355 rt2800_register_write(rt2x00dev, TX_RTS_CFG, reg);
2356
2357 rt2800_register_read(rt2x00dev, CCK_PROT_CFG, &reg);
2358 rt2x00_set_field32(&reg, CCK_PROT_CFG_RTS_TH_EN, enabled);
2359 rt2800_register_write(rt2x00dev, CCK_PROT_CFG, reg);
2360
2361 rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
2362 rt2x00_set_field32(&reg, OFDM_PROT_CFG_RTS_TH_EN, enabled);
2363 rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
2364
2365 rt2800_register_read(rt2x00dev, MM20_PROT_CFG, &reg);
2366 rt2x00_set_field32(&reg, MM20_PROT_CFG_RTS_TH_EN, enabled);
2367 rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg);
2368
2369 rt2800_register_read(rt2x00dev, MM40_PROT_CFG, &reg);
2370 rt2x00_set_field32(&reg, MM40_PROT_CFG_RTS_TH_EN, enabled);
2371 rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg);
2372
2373 rt2800_register_read(rt2x00dev, GF20_PROT_CFG, &reg);
2374 rt2x00_set_field32(&reg, GF20_PROT_CFG_RTS_TH_EN, enabled);
2375 rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg);
2376
2377 rt2800_register_read(rt2x00dev, GF40_PROT_CFG, &reg);
2378 rt2x00_set_field32(&reg, GF40_PROT_CFG_RTS_TH_EN, enabled);
2379 rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg);
2380
2381 return 0;
2382}
2383
2384static int rt2800_conf_tx(struct ieee80211_hw *hw, u16 queue_idx,
2385 const struct ieee80211_tx_queue_params *params)
2386{
2387 struct rt2x00_dev *rt2x00dev = hw->priv;
2388 struct data_queue *queue;
2389 struct rt2x00_field32 field;
2390 int retval;
2391 u32 reg;
2392 u32 offset;
2393
2394 /*
2395 * First pass the configuration through rt2x00lib, that will
2396 * update the queue settings and validate the input. After that
2397 * we are free to update the registers based on the value
2398 * in the queue parameter.
2399 */
2400 retval = rt2x00mac_conf_tx(hw, queue_idx, params);
2401 if (retval)
2402 return retval;
2403
2404 /*
2405 * We only need to perform additional register initialization
2406 * for WMM queues/
2407 */
2408 if (queue_idx >= 4)
2409 return 0;
2410
2411 queue = rt2x00queue_get_queue(rt2x00dev, queue_idx);
2412
2413 /* Update WMM TXOP register */
2414 offset = WMM_TXOP0_CFG + (sizeof(u32) * (!!(queue_idx & 2)));
2415 field.bit_offset = (queue_idx & 1) * 16;
2416 field.bit_mask = 0xffff << field.bit_offset;
2417
2418 rt2800_register_read(rt2x00dev, offset, &reg);
2419 rt2x00_set_field32(&reg, field, queue->txop);
2420 rt2800_register_write(rt2x00dev, offset, reg);
2421
2422 /* Update WMM registers */
2423 field.bit_offset = queue_idx * 4;
2424 field.bit_mask = 0xf << field.bit_offset;
2425
2426 rt2800_register_read(rt2x00dev, WMM_AIFSN_CFG, &reg);
2427 rt2x00_set_field32(&reg, field, queue->aifs);
2428 rt2800_register_write(rt2x00dev, WMM_AIFSN_CFG, reg);
2429
2430 rt2800_register_read(rt2x00dev, WMM_CWMIN_CFG, &reg);
2431 rt2x00_set_field32(&reg, field, queue->cw_min);
2432 rt2800_register_write(rt2x00dev, WMM_CWMIN_CFG, reg);
2433
2434 rt2800_register_read(rt2x00dev, WMM_CWMAX_CFG, &reg);
2435 rt2x00_set_field32(&reg, field, queue->cw_max);
2436 rt2800_register_write(rt2x00dev, WMM_CWMAX_CFG, reg);
2437
2438 /* Update EDCA registers */
2439 offset = EDCA_AC0_CFG + (sizeof(u32) * queue_idx);
2440
2441 rt2800_register_read(rt2x00dev, offset, &reg);
2442 rt2x00_set_field32(&reg, EDCA_AC0_CFG_TX_OP, queue->txop);
2443 rt2x00_set_field32(&reg, EDCA_AC0_CFG_AIFSN, queue->aifs);
2444 rt2x00_set_field32(&reg, EDCA_AC0_CFG_CWMIN, queue->cw_min);
2445 rt2x00_set_field32(&reg, EDCA_AC0_CFG_CWMAX, queue->cw_max);
2446 rt2800_register_write(rt2x00dev, offset, reg);
2447
2448 return 0;
2449}
2450
2451static u64 rt2800_get_tsf(struct ieee80211_hw *hw)
2452{
2453 struct rt2x00_dev *rt2x00dev = hw->priv;
2454 u64 tsf;
2455 u32 reg;
2456
2457 rt2800_register_read(rt2x00dev, TSF_TIMER_DW1, &reg);
2458 tsf = (u64) rt2x00_get_field32(reg, TSF_TIMER_DW1_HIGH_WORD) << 32;
2459 rt2800_register_read(rt2x00dev, TSF_TIMER_DW0, &reg);
2460 tsf |= rt2x00_get_field32(reg, TSF_TIMER_DW0_LOW_WORD);
2461
2462 return tsf;
2463}
2464
2465const struct ieee80211_ops rt2800_mac80211_ops = {
2466 .tx = rt2x00mac_tx,
2467 .start = rt2x00mac_start,
2468 .stop = rt2x00mac_stop,
2469 .add_interface = rt2x00mac_add_interface,
2470 .remove_interface = rt2x00mac_remove_interface,
2471 .config = rt2x00mac_config,
2472 .configure_filter = rt2x00mac_configure_filter,
2473 .set_tim = rt2x00mac_set_tim,
2474 .set_key = rt2x00mac_set_key,
2475 .get_stats = rt2x00mac_get_stats,
2476 .get_tkip_seq = rt2800_get_tkip_seq,
2477 .set_rts_threshold = rt2800_set_rts_threshold,
2478 .bss_info_changed = rt2x00mac_bss_info_changed,
2479 .conf_tx = rt2800_conf_tx,
2ce33995
BZ
2480 .get_tsf = rt2800_get_tsf,
2481 .rfkill_poll = rt2x00mac_rfkill_poll,
2482};
2483EXPORT_SYMBOL_GPL(rt2800_mac80211_ops);