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95ea3627 | 1 | /* |
9c9a0d14 | 2 | Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com> |
95ea3627 ID |
3 | <http://rt2x00.serialmonkey.com> |
4 | ||
5 | This program is free software; you can redistribute it and/or modify | |
6 | it under the terms of the GNU General Public License as published by | |
7 | the Free Software Foundation; either version 2 of the License, or | |
8 | (at your option) any later version. | |
9 | ||
10 | This program is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | GNU General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License | |
16 | along with this program; if not, write to the | |
17 | Free Software Foundation, Inc., | |
18 | 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
19 | */ | |
20 | ||
21 | /* | |
22 | Module: rt61pci | |
23 | Abstract: rt61pci device specific routines. | |
24 | Supported chipsets: RT2561, RT2561s, RT2661. | |
25 | */ | |
26 | ||
a7f3a06c | 27 | #include <linux/crc-itu-t.h> |
95ea3627 ID |
28 | #include <linux/delay.h> |
29 | #include <linux/etherdevice.h> | |
30 | #include <linux/init.h> | |
31 | #include <linux/kernel.h> | |
32 | #include <linux/module.h> | |
5a0e3ad6 | 33 | #include <linux/slab.h> |
95ea3627 ID |
34 | #include <linux/pci.h> |
35 | #include <linux/eeprom_93cx6.h> | |
36 | ||
37 | #include "rt2x00.h" | |
38 | #include "rt2x00pci.h" | |
39 | #include "rt61pci.h" | |
40 | ||
008c4482 ID |
41 | /* |
42 | * Allow hardware encryption to be disabled. | |
43 | */ | |
44 | static int modparam_nohwcrypt = 0; | |
45 | module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO); | |
46 | MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption."); | |
47 | ||
95ea3627 ID |
48 | /* |
49 | * Register access. | |
50 | * BBP and RF register require indirect register access, | |
51 | * and use the CSR registers PHY_CSR3 and PHY_CSR4 to achieve this. | |
52 | * These indirect registers work with busy bits, | |
53 | * and we will try maximal REGISTER_BUSY_COUNT times to access | |
54 | * the register while taking a REGISTER_BUSY_DELAY us delay | |
b34e620f | 55 | * between each attempt. When the busy bit is still set at that time, |
95ea3627 ID |
56 | * the access attempt is considered to have failed, |
57 | * and we will print an error. | |
58 | */ | |
c9c3b1a5 ID |
59 | #define WAIT_FOR_BBP(__dev, __reg) \ |
60 | rt2x00pci_regbusy_read((__dev), PHY_CSR3, PHY_CSR3_BUSY, (__reg)) | |
61 | #define WAIT_FOR_RF(__dev, __reg) \ | |
62 | rt2x00pci_regbusy_read((__dev), PHY_CSR4, PHY_CSR4_BUSY, (__reg)) | |
63 | #define WAIT_FOR_MCU(__dev, __reg) \ | |
64 | rt2x00pci_regbusy_read((__dev), H2M_MAILBOX_CSR, \ | |
65 | H2M_MAILBOX_CSR_OWNER, (__reg)) | |
95ea3627 | 66 | |
0e14f6d3 | 67 | static void rt61pci_bbp_write(struct rt2x00_dev *rt2x00dev, |
95ea3627 ID |
68 | const unsigned int word, const u8 value) |
69 | { | |
70 | u32 reg; | |
71 | ||
8ff48a8b ID |
72 | mutex_lock(&rt2x00dev->csr_mutex); |
73 | ||
95ea3627 | 74 | /* |
c9c3b1a5 ID |
75 | * Wait until the BBP becomes available, afterwards we |
76 | * can safely write the new data into the register. | |
95ea3627 | 77 | */ |
c9c3b1a5 ID |
78 | if (WAIT_FOR_BBP(rt2x00dev, ®)) { |
79 | reg = 0; | |
80 | rt2x00_set_field32(®, PHY_CSR3_VALUE, value); | |
81 | rt2x00_set_field32(®, PHY_CSR3_REGNUM, word); | |
82 | rt2x00_set_field32(®, PHY_CSR3_BUSY, 1); | |
83 | rt2x00_set_field32(®, PHY_CSR3_READ_CONTROL, 0); | |
84 | ||
85 | rt2x00pci_register_write(rt2x00dev, PHY_CSR3, reg); | |
86 | } | |
8ff48a8b | 87 | |
8ff48a8b | 88 | mutex_unlock(&rt2x00dev->csr_mutex); |
95ea3627 ID |
89 | } |
90 | ||
0e14f6d3 | 91 | static void rt61pci_bbp_read(struct rt2x00_dev *rt2x00dev, |
95ea3627 ID |
92 | const unsigned int word, u8 *value) |
93 | { | |
94 | u32 reg; | |
95 | ||
8ff48a8b ID |
96 | mutex_lock(&rt2x00dev->csr_mutex); |
97 | ||
95ea3627 | 98 | /* |
c9c3b1a5 ID |
99 | * Wait until the BBP becomes available, afterwards we |
100 | * can safely write the read request into the register. | |
101 | * After the data has been written, we wait until hardware | |
102 | * returns the correct value, if at any time the register | |
103 | * doesn't become available in time, reg will be 0xffffffff | |
104 | * which means we return 0xff to the caller. | |
95ea3627 | 105 | */ |
c9c3b1a5 ID |
106 | if (WAIT_FOR_BBP(rt2x00dev, ®)) { |
107 | reg = 0; | |
108 | rt2x00_set_field32(®, PHY_CSR3_REGNUM, word); | |
109 | rt2x00_set_field32(®, PHY_CSR3_BUSY, 1); | |
110 | rt2x00_set_field32(®, PHY_CSR3_READ_CONTROL, 1); | |
95ea3627 | 111 | |
c9c3b1a5 | 112 | rt2x00pci_register_write(rt2x00dev, PHY_CSR3, reg); |
95ea3627 | 113 | |
c9c3b1a5 ID |
114 | WAIT_FOR_BBP(rt2x00dev, ®); |
115 | } | |
95ea3627 ID |
116 | |
117 | *value = rt2x00_get_field32(reg, PHY_CSR3_VALUE); | |
8ff48a8b | 118 | |
8ff48a8b | 119 | mutex_unlock(&rt2x00dev->csr_mutex); |
95ea3627 ID |
120 | } |
121 | ||
0e14f6d3 | 122 | static void rt61pci_rf_write(struct rt2x00_dev *rt2x00dev, |
95ea3627 ID |
123 | const unsigned int word, const u32 value) |
124 | { | |
125 | u32 reg; | |
95ea3627 | 126 | |
8ff48a8b ID |
127 | mutex_lock(&rt2x00dev->csr_mutex); |
128 | ||
c9c3b1a5 ID |
129 | /* |
130 | * Wait until the RF becomes available, afterwards we | |
131 | * can safely write the new data into the register. | |
132 | */ | |
133 | if (WAIT_FOR_RF(rt2x00dev, ®)) { | |
134 | reg = 0; | |
135 | rt2x00_set_field32(®, PHY_CSR4_VALUE, value); | |
136 | rt2x00_set_field32(®, PHY_CSR4_NUMBER_OF_BITS, 21); | |
137 | rt2x00_set_field32(®, PHY_CSR4_IF_SELECT, 0); | |
138 | rt2x00_set_field32(®, PHY_CSR4_BUSY, 1); | |
139 | ||
140 | rt2x00pci_register_write(rt2x00dev, PHY_CSR4, reg); | |
141 | rt2x00_rf_write(rt2x00dev, word, value); | |
95ea3627 ID |
142 | } |
143 | ||
8ff48a8b | 144 | mutex_unlock(&rt2x00dev->csr_mutex); |
95ea3627 ID |
145 | } |
146 | ||
0e14f6d3 | 147 | static void rt61pci_mcu_request(struct rt2x00_dev *rt2x00dev, |
95ea3627 ID |
148 | const u8 command, const u8 token, |
149 | const u8 arg0, const u8 arg1) | |
150 | { | |
151 | u32 reg; | |
152 | ||
8ff48a8b ID |
153 | mutex_lock(&rt2x00dev->csr_mutex); |
154 | ||
c9c3b1a5 ID |
155 | /* |
156 | * Wait until the MCU becomes available, afterwards we | |
157 | * can safely write the new data into the register. | |
158 | */ | |
159 | if (WAIT_FOR_MCU(rt2x00dev, ®)) { | |
160 | rt2x00_set_field32(®, H2M_MAILBOX_CSR_OWNER, 1); | |
161 | rt2x00_set_field32(®, H2M_MAILBOX_CSR_CMD_TOKEN, token); | |
162 | rt2x00_set_field32(®, H2M_MAILBOX_CSR_ARG0, arg0); | |
163 | rt2x00_set_field32(®, H2M_MAILBOX_CSR_ARG1, arg1); | |
164 | rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_CSR, reg); | |
165 | ||
166 | rt2x00pci_register_read(rt2x00dev, HOST_CMD_CSR, ®); | |
167 | rt2x00_set_field32(®, HOST_CMD_CSR_HOST_COMMAND, command); | |
168 | rt2x00_set_field32(®, HOST_CMD_CSR_INTERRUPT_MCU, 1); | |
169 | rt2x00pci_register_write(rt2x00dev, HOST_CMD_CSR, reg); | |
170 | } | |
8ff48a8b | 171 | |
8ff48a8b ID |
172 | mutex_unlock(&rt2x00dev->csr_mutex); |
173 | ||
95ea3627 ID |
174 | } |
175 | ||
176 | static void rt61pci_eepromregister_read(struct eeprom_93cx6 *eeprom) | |
177 | { | |
178 | struct rt2x00_dev *rt2x00dev = eeprom->data; | |
179 | u32 reg; | |
180 | ||
181 | rt2x00pci_register_read(rt2x00dev, E2PROM_CSR, ®); | |
182 | ||
183 | eeprom->reg_data_in = !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_IN); | |
184 | eeprom->reg_data_out = !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_OUT); | |
185 | eeprom->reg_data_clock = | |
186 | !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_CLOCK); | |
187 | eeprom->reg_chip_select = | |
188 | !!rt2x00_get_field32(reg, E2PROM_CSR_CHIP_SELECT); | |
189 | } | |
190 | ||
191 | static void rt61pci_eepromregister_write(struct eeprom_93cx6 *eeprom) | |
192 | { | |
193 | struct rt2x00_dev *rt2x00dev = eeprom->data; | |
194 | u32 reg = 0; | |
195 | ||
196 | rt2x00_set_field32(®, E2PROM_CSR_DATA_IN, !!eeprom->reg_data_in); | |
197 | rt2x00_set_field32(®, E2PROM_CSR_DATA_OUT, !!eeprom->reg_data_out); | |
198 | rt2x00_set_field32(®, E2PROM_CSR_DATA_CLOCK, | |
199 | !!eeprom->reg_data_clock); | |
200 | rt2x00_set_field32(®, E2PROM_CSR_CHIP_SELECT, | |
201 | !!eeprom->reg_chip_select); | |
202 | ||
203 | rt2x00pci_register_write(rt2x00dev, E2PROM_CSR, reg); | |
204 | } | |
205 | ||
206 | #ifdef CONFIG_RT2X00_LIB_DEBUGFS | |
95ea3627 ID |
207 | static const struct rt2x00debug rt61pci_rt2x00debug = { |
208 | .owner = THIS_MODULE, | |
209 | .csr = { | |
743b97ca ID |
210 | .read = rt2x00pci_register_read, |
211 | .write = rt2x00pci_register_write, | |
212 | .flags = RT2X00DEBUGFS_OFFSET, | |
213 | .word_base = CSR_REG_BASE, | |
95ea3627 ID |
214 | .word_size = sizeof(u32), |
215 | .word_count = CSR_REG_SIZE / sizeof(u32), | |
216 | }, | |
217 | .eeprom = { | |
218 | .read = rt2x00_eeprom_read, | |
219 | .write = rt2x00_eeprom_write, | |
743b97ca | 220 | .word_base = EEPROM_BASE, |
95ea3627 ID |
221 | .word_size = sizeof(u16), |
222 | .word_count = EEPROM_SIZE / sizeof(u16), | |
223 | }, | |
224 | .bbp = { | |
225 | .read = rt61pci_bbp_read, | |
226 | .write = rt61pci_bbp_write, | |
743b97ca | 227 | .word_base = BBP_BASE, |
95ea3627 ID |
228 | .word_size = sizeof(u8), |
229 | .word_count = BBP_SIZE / sizeof(u8), | |
230 | }, | |
231 | .rf = { | |
232 | .read = rt2x00_rf_read, | |
233 | .write = rt61pci_rf_write, | |
743b97ca | 234 | .word_base = RF_BASE, |
95ea3627 ID |
235 | .word_size = sizeof(u32), |
236 | .word_count = RF_SIZE / sizeof(u32), | |
237 | }, | |
238 | }; | |
239 | #endif /* CONFIG_RT2X00_LIB_DEBUGFS */ | |
240 | ||
95ea3627 ID |
241 | static int rt61pci_rfkill_poll(struct rt2x00_dev *rt2x00dev) |
242 | { | |
243 | u32 reg; | |
244 | ||
245 | rt2x00pci_register_read(rt2x00dev, MAC_CSR13, ®); | |
181d6902 | 246 | return rt2x00_get_field32(reg, MAC_CSR13_BIT5); |
95ea3627 | 247 | } |
95ea3627 | 248 | |
771fd565 | 249 | #ifdef CONFIG_RT2X00_LIB_LEDS |
a2e1d52a | 250 | static void rt61pci_brightness_set(struct led_classdev *led_cdev, |
a9450b70 ID |
251 | enum led_brightness brightness) |
252 | { | |
253 | struct rt2x00_led *led = | |
254 | container_of(led_cdev, struct rt2x00_led, led_dev); | |
255 | unsigned int enabled = brightness != LED_OFF; | |
256 | unsigned int a_mode = | |
257 | (enabled && led->rt2x00dev->curr_band == IEEE80211_BAND_5GHZ); | |
258 | unsigned int bg_mode = | |
259 | (enabled && led->rt2x00dev->curr_band == IEEE80211_BAND_2GHZ); | |
260 | ||
261 | if (led->type == LED_TYPE_RADIO) { | |
262 | rt2x00_set_field16(&led->rt2x00dev->led_mcu_reg, | |
263 | MCU_LEDCS_RADIO_STATUS, enabled); | |
264 | ||
265 | rt61pci_mcu_request(led->rt2x00dev, MCU_LED, 0xff, | |
266 | (led->rt2x00dev->led_mcu_reg & 0xff), | |
267 | ((led->rt2x00dev->led_mcu_reg >> 8))); | |
268 | } else if (led->type == LED_TYPE_ASSOC) { | |
269 | rt2x00_set_field16(&led->rt2x00dev->led_mcu_reg, | |
270 | MCU_LEDCS_LINK_BG_STATUS, bg_mode); | |
271 | rt2x00_set_field16(&led->rt2x00dev->led_mcu_reg, | |
272 | MCU_LEDCS_LINK_A_STATUS, a_mode); | |
273 | ||
274 | rt61pci_mcu_request(led->rt2x00dev, MCU_LED, 0xff, | |
275 | (led->rt2x00dev->led_mcu_reg & 0xff), | |
276 | ((led->rt2x00dev->led_mcu_reg >> 8))); | |
277 | } else if (led->type == LED_TYPE_QUALITY) { | |
278 | /* | |
279 | * The brightness is divided into 6 levels (0 - 5), | |
280 | * this means we need to convert the brightness | |
281 | * argument into the matching level within that range. | |
282 | */ | |
283 | rt61pci_mcu_request(led->rt2x00dev, MCU_LED_STRENGTH, 0xff, | |
284 | brightness / (LED_FULL / 6), 0); | |
285 | } | |
286 | } | |
a2e1d52a ID |
287 | |
288 | static int rt61pci_blink_set(struct led_classdev *led_cdev, | |
289 | unsigned long *delay_on, | |
290 | unsigned long *delay_off) | |
291 | { | |
292 | struct rt2x00_led *led = | |
293 | container_of(led_cdev, struct rt2x00_led, led_dev); | |
294 | u32 reg; | |
295 | ||
296 | rt2x00pci_register_read(led->rt2x00dev, MAC_CSR14, ®); | |
297 | rt2x00_set_field32(®, MAC_CSR14_ON_PERIOD, *delay_on); | |
298 | rt2x00_set_field32(®, MAC_CSR14_OFF_PERIOD, *delay_off); | |
299 | rt2x00pci_register_write(led->rt2x00dev, MAC_CSR14, reg); | |
300 | ||
301 | return 0; | |
302 | } | |
475433be ID |
303 | |
304 | static void rt61pci_init_led(struct rt2x00_dev *rt2x00dev, | |
305 | struct rt2x00_led *led, | |
306 | enum led_type type) | |
307 | { | |
308 | led->rt2x00dev = rt2x00dev; | |
309 | led->type = type; | |
310 | led->led_dev.brightness_set = rt61pci_brightness_set; | |
311 | led->led_dev.blink_set = rt61pci_blink_set; | |
312 | led->flags = LED_INITIALIZED; | |
313 | } | |
771fd565 | 314 | #endif /* CONFIG_RT2X00_LIB_LEDS */ |
a9450b70 | 315 | |
95ea3627 ID |
316 | /* |
317 | * Configuration handlers. | |
318 | */ | |
61e754f4 ID |
319 | static int rt61pci_config_shared_key(struct rt2x00_dev *rt2x00dev, |
320 | struct rt2x00lib_crypto *crypto, | |
321 | struct ieee80211_key_conf *key) | |
322 | { | |
323 | struct hw_key_entry key_entry; | |
324 | struct rt2x00_field32 field; | |
325 | u32 mask; | |
326 | u32 reg; | |
327 | ||
328 | if (crypto->cmd == SET_KEY) { | |
329 | /* | |
330 | * rt2x00lib can't determine the correct free | |
331 | * key_idx for shared keys. We have 1 register | |
332 | * with key valid bits. The goal is simple, read | |
333 | * the register, if that is full we have no slots | |
334 | * left. | |
335 | * Note that each BSS is allowed to have up to 4 | |
336 | * shared keys, so put a mask over the allowed | |
337 | * entries. | |
338 | */ | |
339 | mask = (0xf << crypto->bssidx); | |
340 | ||
341 | rt2x00pci_register_read(rt2x00dev, SEC_CSR0, ®); | |
342 | reg &= mask; | |
343 | ||
344 | if (reg && reg == mask) | |
345 | return -ENOSPC; | |
346 | ||
acaf908d | 347 | key->hw_key_idx += reg ? ffz(reg) : 0; |
61e754f4 ID |
348 | |
349 | /* | |
350 | * Upload key to hardware | |
351 | */ | |
352 | memcpy(key_entry.key, crypto->key, | |
353 | sizeof(key_entry.key)); | |
354 | memcpy(key_entry.tx_mic, crypto->tx_mic, | |
355 | sizeof(key_entry.tx_mic)); | |
356 | memcpy(key_entry.rx_mic, crypto->rx_mic, | |
357 | sizeof(key_entry.rx_mic)); | |
358 | ||
359 | reg = SHARED_KEY_ENTRY(key->hw_key_idx); | |
360 | rt2x00pci_register_multiwrite(rt2x00dev, reg, | |
361 | &key_entry, sizeof(key_entry)); | |
362 | ||
363 | /* | |
364 | * The cipher types are stored over 2 registers. | |
365 | * bssidx 0 and 1 keys are stored in SEC_CSR1 and | |
366 | * bssidx 1 and 2 keys are stored in SEC_CSR5. | |
367 | * Using the correct defines correctly will cause overhead, | |
368 | * so just calculate the correct offset. | |
369 | */ | |
370 | if (key->hw_key_idx < 8) { | |
371 | field.bit_offset = (3 * key->hw_key_idx); | |
372 | field.bit_mask = 0x7 << field.bit_offset; | |
373 | ||
374 | rt2x00pci_register_read(rt2x00dev, SEC_CSR1, ®); | |
375 | rt2x00_set_field32(®, field, crypto->cipher); | |
376 | rt2x00pci_register_write(rt2x00dev, SEC_CSR1, reg); | |
377 | } else { | |
378 | field.bit_offset = (3 * (key->hw_key_idx - 8)); | |
379 | field.bit_mask = 0x7 << field.bit_offset; | |
380 | ||
381 | rt2x00pci_register_read(rt2x00dev, SEC_CSR5, ®); | |
382 | rt2x00_set_field32(®, field, crypto->cipher); | |
383 | rt2x00pci_register_write(rt2x00dev, SEC_CSR5, reg); | |
384 | } | |
385 | ||
386 | /* | |
387 | * The driver does not support the IV/EIV generation | |
388 | * in hardware. However it doesn't support the IV/EIV | |
389 | * inside the ieee80211 frame either, but requires it | |
b34e620f | 390 | * to be provided separately for the descriptor. |
61e754f4 ID |
391 | * rt2x00lib will cut the IV/EIV data out of all frames |
392 | * given to us by mac80211, but we must tell mac80211 | |
393 | * to generate the IV/EIV data. | |
394 | */ | |
395 | key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; | |
396 | } | |
397 | ||
398 | /* | |
399 | * SEC_CSR0 contains only single-bit fields to indicate | |
400 | * a particular key is valid. Because using the FIELD32() | |
b34e620f | 401 | * defines directly will cause a lot of overhead, we use |
61e754f4 ID |
402 | * a calculation to determine the correct bit directly. |
403 | */ | |
404 | mask = 1 << key->hw_key_idx; | |
405 | ||
406 | rt2x00pci_register_read(rt2x00dev, SEC_CSR0, ®); | |
407 | if (crypto->cmd == SET_KEY) | |
408 | reg |= mask; | |
409 | else if (crypto->cmd == DISABLE_KEY) | |
410 | reg &= ~mask; | |
411 | rt2x00pci_register_write(rt2x00dev, SEC_CSR0, reg); | |
412 | ||
413 | return 0; | |
414 | } | |
415 | ||
416 | static int rt61pci_config_pairwise_key(struct rt2x00_dev *rt2x00dev, | |
417 | struct rt2x00lib_crypto *crypto, | |
418 | struct ieee80211_key_conf *key) | |
419 | { | |
420 | struct hw_pairwise_ta_entry addr_entry; | |
421 | struct hw_key_entry key_entry; | |
422 | u32 mask; | |
423 | u32 reg; | |
424 | ||
425 | if (crypto->cmd == SET_KEY) { | |
426 | /* | |
427 | * rt2x00lib can't determine the correct free | |
428 | * key_idx for pairwise keys. We have 2 registers | |
b34e620f TLSC |
429 | * with key valid bits. The goal is simple: read |
430 | * the first register. If that is full, move to | |
61e754f4 | 431 | * the next register. |
b34e620f TLSC |
432 | * When both registers are full, we drop the key. |
433 | * Otherwise, we use the first invalid entry. | |
61e754f4 ID |
434 | */ |
435 | rt2x00pci_register_read(rt2x00dev, SEC_CSR2, ®); | |
436 | if (reg && reg == ~0) { | |
437 | key->hw_key_idx = 32; | |
438 | rt2x00pci_register_read(rt2x00dev, SEC_CSR3, ®); | |
439 | if (reg && reg == ~0) | |
440 | return -ENOSPC; | |
441 | } | |
442 | ||
acaf908d | 443 | key->hw_key_idx += reg ? ffz(reg) : 0; |
61e754f4 ID |
444 | |
445 | /* | |
446 | * Upload key to hardware | |
447 | */ | |
448 | memcpy(key_entry.key, crypto->key, | |
449 | sizeof(key_entry.key)); | |
450 | memcpy(key_entry.tx_mic, crypto->tx_mic, | |
451 | sizeof(key_entry.tx_mic)); | |
452 | memcpy(key_entry.rx_mic, crypto->rx_mic, | |
453 | sizeof(key_entry.rx_mic)); | |
454 | ||
455 | memset(&addr_entry, 0, sizeof(addr_entry)); | |
456 | memcpy(&addr_entry, crypto->address, ETH_ALEN); | |
457 | addr_entry.cipher = crypto->cipher; | |
458 | ||
459 | reg = PAIRWISE_KEY_ENTRY(key->hw_key_idx); | |
460 | rt2x00pci_register_multiwrite(rt2x00dev, reg, | |
461 | &key_entry, sizeof(key_entry)); | |
462 | ||
463 | reg = PAIRWISE_TA_ENTRY(key->hw_key_idx); | |
464 | rt2x00pci_register_multiwrite(rt2x00dev, reg, | |
465 | &addr_entry, sizeof(addr_entry)); | |
466 | ||
467 | /* | |
b34e620f TLSC |
468 | * Enable pairwise lookup table for given BSS idx. |
469 | * Without this, received frames will not be decrypted | |
61e754f4 ID |
470 | * by the hardware. |
471 | */ | |
472 | rt2x00pci_register_read(rt2x00dev, SEC_CSR4, ®); | |
473 | reg |= (1 << crypto->bssidx); | |
474 | rt2x00pci_register_write(rt2x00dev, SEC_CSR4, reg); | |
475 | ||
476 | /* | |
477 | * The driver does not support the IV/EIV generation | |
478 | * in hardware. However it doesn't support the IV/EIV | |
479 | * inside the ieee80211 frame either, but requires it | |
3ad2f3fb | 480 | * to be provided separately for the descriptor. |
61e754f4 ID |
481 | * rt2x00lib will cut the IV/EIV data out of all frames |
482 | * given to us by mac80211, but we must tell mac80211 | |
483 | * to generate the IV/EIV data. | |
484 | */ | |
485 | key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; | |
486 | } | |
487 | ||
488 | /* | |
489 | * SEC_CSR2 and SEC_CSR3 contain only single-bit fields to indicate | |
490 | * a particular key is valid. Because using the FIELD32() | |
b34e620f | 491 | * defines directly will cause a lot of overhead, we use |
61e754f4 ID |
492 | * a calculation to determine the correct bit directly. |
493 | */ | |
494 | if (key->hw_key_idx < 32) { | |
495 | mask = 1 << key->hw_key_idx; | |
496 | ||
497 | rt2x00pci_register_read(rt2x00dev, SEC_CSR2, ®); | |
498 | if (crypto->cmd == SET_KEY) | |
499 | reg |= mask; | |
500 | else if (crypto->cmd == DISABLE_KEY) | |
501 | reg &= ~mask; | |
502 | rt2x00pci_register_write(rt2x00dev, SEC_CSR2, reg); | |
503 | } else { | |
504 | mask = 1 << (key->hw_key_idx - 32); | |
505 | ||
506 | rt2x00pci_register_read(rt2x00dev, SEC_CSR3, ®); | |
507 | if (crypto->cmd == SET_KEY) | |
508 | reg |= mask; | |
509 | else if (crypto->cmd == DISABLE_KEY) | |
510 | reg &= ~mask; | |
511 | rt2x00pci_register_write(rt2x00dev, SEC_CSR3, reg); | |
512 | } | |
513 | ||
514 | return 0; | |
515 | } | |
516 | ||
3a643d24 ID |
517 | static void rt61pci_config_filter(struct rt2x00_dev *rt2x00dev, |
518 | const unsigned int filter_flags) | |
519 | { | |
520 | u32 reg; | |
521 | ||
522 | /* | |
523 | * Start configuration steps. | |
524 | * Note that the version error will always be dropped | |
525 | * and broadcast frames will always be accepted since | |
526 | * there is no filter for it at this time. | |
527 | */ | |
528 | rt2x00pci_register_read(rt2x00dev, TXRX_CSR0, ®); | |
529 | rt2x00_set_field32(®, TXRX_CSR0_DROP_CRC, | |
530 | !(filter_flags & FIF_FCSFAIL)); | |
531 | rt2x00_set_field32(®, TXRX_CSR0_DROP_PHYSICAL, | |
532 | !(filter_flags & FIF_PLCPFAIL)); | |
533 | rt2x00_set_field32(®, TXRX_CSR0_DROP_CONTROL, | |
1afcfd54 | 534 | !(filter_flags & (FIF_CONTROL | FIF_PSPOLL))); |
3a643d24 ID |
535 | rt2x00_set_field32(®, TXRX_CSR0_DROP_NOT_TO_ME, |
536 | !(filter_flags & FIF_PROMISC_IN_BSS)); | |
537 | rt2x00_set_field32(®, TXRX_CSR0_DROP_TO_DS, | |
e0b005fa ID |
538 | !(filter_flags & FIF_PROMISC_IN_BSS) && |
539 | !rt2x00dev->intf_ap_count); | |
3a643d24 ID |
540 | rt2x00_set_field32(®, TXRX_CSR0_DROP_VERSION_ERROR, 1); |
541 | rt2x00_set_field32(®, TXRX_CSR0_DROP_MULTICAST, | |
542 | !(filter_flags & FIF_ALLMULTI)); | |
543 | rt2x00_set_field32(®, TXRX_CSR0_DROP_BROADCAST, 0); | |
544 | rt2x00_set_field32(®, TXRX_CSR0_DROP_ACK_CTS, | |
545 | !(filter_flags & FIF_CONTROL)); | |
546 | rt2x00pci_register_write(rt2x00dev, TXRX_CSR0, reg); | |
547 | } | |
548 | ||
6bb40dd1 ID |
549 | static void rt61pci_config_intf(struct rt2x00_dev *rt2x00dev, |
550 | struct rt2x00_intf *intf, | |
551 | struct rt2x00intf_conf *conf, | |
552 | const unsigned int flags) | |
95ea3627 | 553 | { |
6bb40dd1 ID |
554 | unsigned int beacon_base; |
555 | u32 reg; | |
95ea3627 | 556 | |
6bb40dd1 ID |
557 | if (flags & CONFIG_UPDATE_TYPE) { |
558 | /* | |
559 | * Clear current synchronisation setup. | |
b34e620f | 560 | * For the Beacon base registers, we only need to clear |
6bb40dd1 ID |
561 | * the first byte since that byte contains the VALID and OWNER |
562 | * bits which (when set to 0) will invalidate the entire beacon. | |
563 | */ | |
564 | beacon_base = HW_BEACON_OFFSET(intf->beacon->entry_idx); | |
6bb40dd1 | 565 | rt2x00pci_register_write(rt2x00dev, beacon_base, 0); |
95ea3627 | 566 | |
6bb40dd1 ID |
567 | /* |
568 | * Enable synchronisation. | |
569 | */ | |
570 | rt2x00pci_register_read(rt2x00dev, TXRX_CSR9, ®); | |
fd3c91c5 | 571 | rt2x00_set_field32(®, TXRX_CSR9_TSF_TICKING, 1); |
6bb40dd1 | 572 | rt2x00_set_field32(®, TXRX_CSR9_TSF_SYNC, conf->sync); |
fd3c91c5 | 573 | rt2x00_set_field32(®, TXRX_CSR9_TBTT_ENABLE, 1); |
6bb40dd1 ID |
574 | rt2x00pci_register_write(rt2x00dev, TXRX_CSR9, reg); |
575 | } | |
95ea3627 | 576 | |
6bb40dd1 ID |
577 | if (flags & CONFIG_UPDATE_MAC) { |
578 | reg = le32_to_cpu(conf->mac[1]); | |
579 | rt2x00_set_field32(®, MAC_CSR3_UNICAST_TO_ME_MASK, 0xff); | |
580 | conf->mac[1] = cpu_to_le32(reg); | |
95ea3627 | 581 | |
6bb40dd1 ID |
582 | rt2x00pci_register_multiwrite(rt2x00dev, MAC_CSR2, |
583 | conf->mac, sizeof(conf->mac)); | |
584 | } | |
95ea3627 | 585 | |
6bb40dd1 ID |
586 | if (flags & CONFIG_UPDATE_BSSID) { |
587 | reg = le32_to_cpu(conf->bssid[1]); | |
588 | rt2x00_set_field32(®, MAC_CSR5_BSS_ID_MASK, 3); | |
589 | conf->bssid[1] = cpu_to_le32(reg); | |
95ea3627 | 590 | |
6bb40dd1 ID |
591 | rt2x00pci_register_multiwrite(rt2x00dev, MAC_CSR4, |
592 | conf->bssid, sizeof(conf->bssid)); | |
593 | } | |
95ea3627 ID |
594 | } |
595 | ||
3a643d24 | 596 | static void rt61pci_config_erp(struct rt2x00_dev *rt2x00dev, |
02044643 HS |
597 | struct rt2x00lib_erp *erp, |
598 | u32 changed) | |
95ea3627 | 599 | { |
95ea3627 | 600 | u32 reg; |
95ea3627 ID |
601 | |
602 | rt2x00pci_register_read(rt2x00dev, TXRX_CSR0, ®); | |
4789666e | 603 | rt2x00_set_field32(®, TXRX_CSR0_RX_ACK_TIMEOUT, 0x32); |
8a566afe | 604 | rt2x00_set_field32(®, TXRX_CSR0_TSF_OFFSET, IEEE80211_HEADER); |
95ea3627 ID |
605 | rt2x00pci_register_write(rt2x00dev, TXRX_CSR0, reg); |
606 | ||
02044643 HS |
607 | if (changed & BSS_CHANGED_ERP_PREAMBLE) { |
608 | rt2x00pci_register_read(rt2x00dev, TXRX_CSR4, ®); | |
609 | rt2x00_set_field32(®, TXRX_CSR4_AUTORESPOND_ENABLE, 1); | |
610 | rt2x00_set_field32(®, TXRX_CSR4_AUTORESPOND_PREAMBLE, | |
611 | !!erp->short_preamble); | |
612 | rt2x00pci_register_write(rt2x00dev, TXRX_CSR4, reg); | |
613 | } | |
95ea3627 | 614 | |
02044643 HS |
615 | if (changed & BSS_CHANGED_BASIC_RATES) |
616 | rt2x00pci_register_write(rt2x00dev, TXRX_CSR5, | |
617 | erp->basic_rates); | |
95ea3627 | 618 | |
02044643 HS |
619 | if (changed & BSS_CHANGED_BEACON_INT) { |
620 | rt2x00pci_register_read(rt2x00dev, TXRX_CSR9, ®); | |
621 | rt2x00_set_field32(®, TXRX_CSR9_BEACON_INTERVAL, | |
622 | erp->beacon_int * 16); | |
623 | rt2x00pci_register_write(rt2x00dev, TXRX_CSR9, reg); | |
624 | } | |
8a566afe | 625 | |
02044643 HS |
626 | if (changed & BSS_CHANGED_ERP_SLOT) { |
627 | rt2x00pci_register_read(rt2x00dev, MAC_CSR9, ®); | |
628 | rt2x00_set_field32(®, MAC_CSR9_SLOT_TIME, erp->slot_time); | |
629 | rt2x00pci_register_write(rt2x00dev, MAC_CSR9, reg); | |
95ea3627 | 630 | |
02044643 HS |
631 | rt2x00pci_register_read(rt2x00dev, MAC_CSR8, ®); |
632 | rt2x00_set_field32(®, MAC_CSR8_SIFS, erp->sifs); | |
633 | rt2x00_set_field32(®, MAC_CSR8_SIFS_AFTER_RX_OFDM, 3); | |
634 | rt2x00_set_field32(®, MAC_CSR8_EIFS, erp->eifs); | |
635 | rt2x00pci_register_write(rt2x00dev, MAC_CSR8, reg); | |
636 | } | |
95ea3627 ID |
637 | } |
638 | ||
639 | static void rt61pci_config_antenna_5x(struct rt2x00_dev *rt2x00dev, | |
addc81bd | 640 | struct antenna_setup *ant) |
95ea3627 ID |
641 | { |
642 | u8 r3; | |
643 | u8 r4; | |
644 | u8 r77; | |
645 | ||
646 | rt61pci_bbp_read(rt2x00dev, 3, &r3); | |
647 | rt61pci_bbp_read(rt2x00dev, 4, &r4); | |
648 | rt61pci_bbp_read(rt2x00dev, 77, &r77); | |
649 | ||
5122d898 | 650 | rt2x00_set_field8(&r3, BBP_R3_SMART_MODE, rt2x00_rf(rt2x00dev, RF5325)); |
e4cd2ff8 ID |
651 | |
652 | /* | |
653 | * Configure the RX antenna. | |
654 | */ | |
addc81bd | 655 | switch (ant->rx) { |
95ea3627 | 656 | case ANTENNA_HW_DIVERSITY: |
acaa410d | 657 | rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 2); |
95ea3627 | 658 | rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, |
8318d78a | 659 | (rt2x00dev->curr_band != IEEE80211_BAND_5GHZ)); |
95ea3627 ID |
660 | break; |
661 | case ANTENNA_A: | |
acaa410d | 662 | rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1); |
95ea3627 | 663 | rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, 0); |
8318d78a | 664 | if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ) |
acaa410d MN |
665 | rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 0); |
666 | else | |
667 | rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 3); | |
95ea3627 ID |
668 | break; |
669 | case ANTENNA_B: | |
a4fe07d9 | 670 | default: |
acaa410d | 671 | rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1); |
95ea3627 | 672 | rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, 0); |
8318d78a | 673 | if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ) |
acaa410d MN |
674 | rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 3); |
675 | else | |
676 | rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 0); | |
95ea3627 ID |
677 | break; |
678 | } | |
679 | ||
680 | rt61pci_bbp_write(rt2x00dev, 77, r77); | |
681 | rt61pci_bbp_write(rt2x00dev, 3, r3); | |
682 | rt61pci_bbp_write(rt2x00dev, 4, r4); | |
683 | } | |
684 | ||
685 | static void rt61pci_config_antenna_2x(struct rt2x00_dev *rt2x00dev, | |
addc81bd | 686 | struct antenna_setup *ant) |
95ea3627 ID |
687 | { |
688 | u8 r3; | |
689 | u8 r4; | |
690 | u8 r77; | |
691 | ||
692 | rt61pci_bbp_read(rt2x00dev, 3, &r3); | |
693 | rt61pci_bbp_read(rt2x00dev, 4, &r4); | |
694 | rt61pci_bbp_read(rt2x00dev, 77, &r77); | |
695 | ||
5122d898 | 696 | rt2x00_set_field8(&r3, BBP_R3_SMART_MODE, rt2x00_rf(rt2x00dev, RF2529)); |
95ea3627 ID |
697 | rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, |
698 | !test_bit(CONFIG_FRAME_TYPE, &rt2x00dev->flags)); | |
699 | ||
e4cd2ff8 ID |
700 | /* |
701 | * Configure the RX antenna. | |
702 | */ | |
addc81bd | 703 | switch (ant->rx) { |
95ea3627 | 704 | case ANTENNA_HW_DIVERSITY: |
acaa410d | 705 | rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 2); |
95ea3627 ID |
706 | break; |
707 | case ANTENNA_A: | |
acaa410d MN |
708 | rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1); |
709 | rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 3); | |
95ea3627 ID |
710 | break; |
711 | case ANTENNA_B: | |
a4fe07d9 | 712 | default: |
acaa410d MN |
713 | rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1); |
714 | rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 0); | |
95ea3627 ID |
715 | break; |
716 | } | |
717 | ||
718 | rt61pci_bbp_write(rt2x00dev, 77, r77); | |
719 | rt61pci_bbp_write(rt2x00dev, 3, r3); | |
720 | rt61pci_bbp_write(rt2x00dev, 4, r4); | |
721 | } | |
722 | ||
723 | static void rt61pci_config_antenna_2529_rx(struct rt2x00_dev *rt2x00dev, | |
724 | const int p1, const int p2) | |
725 | { | |
726 | u32 reg; | |
727 | ||
728 | rt2x00pci_register_read(rt2x00dev, MAC_CSR13, ®); | |
729 | ||
acaa410d MN |
730 | rt2x00_set_field32(®, MAC_CSR13_BIT4, p1); |
731 | rt2x00_set_field32(®, MAC_CSR13_BIT12, 0); | |
732 | ||
733 | rt2x00_set_field32(®, MAC_CSR13_BIT3, !p2); | |
734 | rt2x00_set_field32(®, MAC_CSR13_BIT11, 0); | |
735 | ||
736 | rt2x00pci_register_write(rt2x00dev, MAC_CSR13, reg); | |
95ea3627 ID |
737 | } |
738 | ||
739 | static void rt61pci_config_antenna_2529(struct rt2x00_dev *rt2x00dev, | |
addc81bd | 740 | struct antenna_setup *ant) |
95ea3627 | 741 | { |
95ea3627 ID |
742 | u8 r3; |
743 | u8 r4; | |
744 | u8 r77; | |
745 | ||
746 | rt61pci_bbp_read(rt2x00dev, 3, &r3); | |
747 | rt61pci_bbp_read(rt2x00dev, 4, &r4); | |
748 | rt61pci_bbp_read(rt2x00dev, 77, &r77); | |
e4cd2ff8 | 749 | |
e4cd2ff8 ID |
750 | /* |
751 | * Configure the RX antenna. | |
752 | */ | |
753 | switch (ant->rx) { | |
754 | case ANTENNA_A: | |
acaa410d MN |
755 | rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1); |
756 | rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 0); | |
757 | rt61pci_config_antenna_2529_rx(rt2x00dev, 0, 0); | |
e4cd2ff8 | 758 | break; |
e4cd2ff8 ID |
759 | case ANTENNA_HW_DIVERSITY: |
760 | /* | |
a4fe07d9 ID |
761 | * FIXME: Antenna selection for the rf 2529 is very confusing |
762 | * in the legacy driver. Just default to antenna B until the | |
763 | * legacy code can be properly translated into rt2x00 code. | |
e4cd2ff8 ID |
764 | */ |
765 | case ANTENNA_B: | |
a4fe07d9 | 766 | default: |
acaa410d MN |
767 | rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1); |
768 | rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 3); | |
769 | rt61pci_config_antenna_2529_rx(rt2x00dev, 1, 1); | |
e4cd2ff8 ID |
770 | break; |
771 | } | |
772 | ||
e4cd2ff8 | 773 | rt61pci_bbp_write(rt2x00dev, 77, r77); |
95ea3627 ID |
774 | rt61pci_bbp_write(rt2x00dev, 3, r3); |
775 | rt61pci_bbp_write(rt2x00dev, 4, r4); | |
776 | } | |
777 | ||
778 | struct antenna_sel { | |
779 | u8 word; | |
780 | /* | |
781 | * value[0] -> non-LNA | |
782 | * value[1] -> LNA | |
783 | */ | |
784 | u8 value[2]; | |
785 | }; | |
786 | ||
787 | static const struct antenna_sel antenna_sel_a[] = { | |
788 | { 96, { 0x58, 0x78 } }, | |
789 | { 104, { 0x38, 0x48 } }, | |
790 | { 75, { 0xfe, 0x80 } }, | |
791 | { 86, { 0xfe, 0x80 } }, | |
792 | { 88, { 0xfe, 0x80 } }, | |
793 | { 35, { 0x60, 0x60 } }, | |
794 | { 97, { 0x58, 0x58 } }, | |
795 | { 98, { 0x58, 0x58 } }, | |
796 | }; | |
797 | ||
798 | static const struct antenna_sel antenna_sel_bg[] = { | |
799 | { 96, { 0x48, 0x68 } }, | |
800 | { 104, { 0x2c, 0x3c } }, | |
801 | { 75, { 0xfe, 0x80 } }, | |
802 | { 86, { 0xfe, 0x80 } }, | |
803 | { 88, { 0xfe, 0x80 } }, | |
804 | { 35, { 0x50, 0x50 } }, | |
805 | { 97, { 0x48, 0x48 } }, | |
806 | { 98, { 0x48, 0x48 } }, | |
807 | }; | |
808 | ||
e4ea1c40 ID |
809 | static void rt61pci_config_ant(struct rt2x00_dev *rt2x00dev, |
810 | struct antenna_setup *ant) | |
95ea3627 ID |
811 | { |
812 | const struct antenna_sel *sel; | |
813 | unsigned int lna; | |
814 | unsigned int i; | |
815 | u32 reg; | |
816 | ||
a4fe07d9 ID |
817 | /* |
818 | * We should never come here because rt2x00lib is supposed | |
819 | * to catch this and send us the correct antenna explicitely. | |
820 | */ | |
821 | BUG_ON(ant->rx == ANTENNA_SW_DIVERSITY || | |
822 | ant->tx == ANTENNA_SW_DIVERSITY); | |
823 | ||
8318d78a | 824 | if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ) { |
95ea3627 ID |
825 | sel = antenna_sel_a; |
826 | lna = test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags); | |
95ea3627 ID |
827 | } else { |
828 | sel = antenna_sel_bg; | |
829 | lna = test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags); | |
95ea3627 ID |
830 | } |
831 | ||
acaa410d MN |
832 | for (i = 0; i < ARRAY_SIZE(antenna_sel_a); i++) |
833 | rt61pci_bbp_write(rt2x00dev, sel[i].word, sel[i].value[lna]); | |
834 | ||
835 | rt2x00pci_register_read(rt2x00dev, PHY_CSR0, ®); | |
836 | ||
ddc827f9 | 837 | rt2x00_set_field32(®, PHY_CSR0_PA_PE_BG, |
8318d78a | 838 | rt2x00dev->curr_band == IEEE80211_BAND_2GHZ); |
ddc827f9 | 839 | rt2x00_set_field32(®, PHY_CSR0_PA_PE_A, |
8318d78a | 840 | rt2x00dev->curr_band == IEEE80211_BAND_5GHZ); |
ddc827f9 | 841 | |
95ea3627 ID |
842 | rt2x00pci_register_write(rt2x00dev, PHY_CSR0, reg); |
843 | ||
5122d898 | 844 | if (rt2x00_rf(rt2x00dev, RF5225) || rt2x00_rf(rt2x00dev, RF5325)) |
addc81bd | 845 | rt61pci_config_antenna_5x(rt2x00dev, ant); |
5122d898 | 846 | else if (rt2x00_rf(rt2x00dev, RF2527)) |
addc81bd | 847 | rt61pci_config_antenna_2x(rt2x00dev, ant); |
5122d898 | 848 | else if (rt2x00_rf(rt2x00dev, RF2529)) { |
95ea3627 | 849 | if (test_bit(CONFIG_DOUBLE_ANTENNA, &rt2x00dev->flags)) |
addc81bd | 850 | rt61pci_config_antenna_2x(rt2x00dev, ant); |
95ea3627 | 851 | else |
addc81bd | 852 | rt61pci_config_antenna_2529(rt2x00dev, ant); |
95ea3627 ID |
853 | } |
854 | } | |
855 | ||
e4ea1c40 ID |
856 | static void rt61pci_config_lna_gain(struct rt2x00_dev *rt2x00dev, |
857 | struct rt2x00lib_conf *libconf) | |
858 | { | |
859 | u16 eeprom; | |
860 | short lna_gain = 0; | |
861 | ||
862 | if (libconf->conf->channel->band == IEEE80211_BAND_2GHZ) { | |
863 | if (test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags)) | |
864 | lna_gain += 14; | |
865 | ||
866 | rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_BG, &eeprom); | |
867 | lna_gain -= rt2x00_get_field16(eeprom, EEPROM_RSSI_OFFSET_BG_1); | |
868 | } else { | |
869 | if (test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags)) | |
870 | lna_gain += 14; | |
871 | ||
872 | rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_A, &eeprom); | |
873 | lna_gain -= rt2x00_get_field16(eeprom, EEPROM_RSSI_OFFSET_A_1); | |
874 | } | |
875 | ||
876 | rt2x00dev->lna_gain = lna_gain; | |
877 | } | |
878 | ||
879 | static void rt61pci_config_channel(struct rt2x00_dev *rt2x00dev, | |
880 | struct rf_channel *rf, const int txpower) | |
881 | { | |
882 | u8 r3; | |
883 | u8 r94; | |
884 | u8 smart; | |
885 | ||
886 | rt2x00_set_field32(&rf->rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower)); | |
887 | rt2x00_set_field32(&rf->rf4, RF4_FREQ_OFFSET, rt2x00dev->freq_offset); | |
888 | ||
5122d898 | 889 | smart = !(rt2x00_rf(rt2x00dev, RF5225) || rt2x00_rf(rt2x00dev, RF2527)); |
e4ea1c40 ID |
890 | |
891 | rt61pci_bbp_read(rt2x00dev, 3, &r3); | |
892 | rt2x00_set_field8(&r3, BBP_R3_SMART_MODE, smart); | |
893 | rt61pci_bbp_write(rt2x00dev, 3, r3); | |
894 | ||
895 | r94 = 6; | |
896 | if (txpower > MAX_TXPOWER && txpower <= (MAX_TXPOWER + r94)) | |
897 | r94 += txpower - MAX_TXPOWER; | |
898 | else if (txpower < MIN_TXPOWER && txpower >= (MIN_TXPOWER - r94)) | |
899 | r94 += txpower; | |
900 | rt61pci_bbp_write(rt2x00dev, 94, r94); | |
901 | ||
902 | rt61pci_rf_write(rt2x00dev, 1, rf->rf1); | |
903 | rt61pci_rf_write(rt2x00dev, 2, rf->rf2); | |
904 | rt61pci_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004); | |
905 | rt61pci_rf_write(rt2x00dev, 4, rf->rf4); | |
906 | ||
907 | udelay(200); | |
908 | ||
909 | rt61pci_rf_write(rt2x00dev, 1, rf->rf1); | |
910 | rt61pci_rf_write(rt2x00dev, 2, rf->rf2); | |
911 | rt61pci_rf_write(rt2x00dev, 3, rf->rf3 | 0x00000004); | |
912 | rt61pci_rf_write(rt2x00dev, 4, rf->rf4); | |
913 | ||
914 | udelay(200); | |
915 | ||
916 | rt61pci_rf_write(rt2x00dev, 1, rf->rf1); | |
917 | rt61pci_rf_write(rt2x00dev, 2, rf->rf2); | |
918 | rt61pci_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004); | |
919 | rt61pci_rf_write(rt2x00dev, 4, rf->rf4); | |
920 | ||
921 | msleep(1); | |
922 | } | |
923 | ||
924 | static void rt61pci_config_txpower(struct rt2x00_dev *rt2x00dev, | |
925 | const int txpower) | |
926 | { | |
927 | struct rf_channel rf; | |
928 | ||
929 | rt2x00_rf_read(rt2x00dev, 1, &rf.rf1); | |
930 | rt2x00_rf_read(rt2x00dev, 2, &rf.rf2); | |
931 | rt2x00_rf_read(rt2x00dev, 3, &rf.rf3); | |
932 | rt2x00_rf_read(rt2x00dev, 4, &rf.rf4); | |
933 | ||
934 | rt61pci_config_channel(rt2x00dev, &rf, txpower); | |
935 | } | |
936 | ||
937 | static void rt61pci_config_retry_limit(struct rt2x00_dev *rt2x00dev, | |
5c58ee51 | 938 | struct rt2x00lib_conf *libconf) |
95ea3627 ID |
939 | { |
940 | u32 reg; | |
941 | ||
e4ea1c40 | 942 | rt2x00pci_register_read(rt2x00dev, TXRX_CSR4, ®); |
e1b4d7b7 ID |
943 | rt2x00_set_field32(®, TXRX_CSR4_OFDM_TX_RATE_DOWN, 1); |
944 | rt2x00_set_field32(®, TXRX_CSR4_OFDM_TX_RATE_STEP, 0); | |
945 | rt2x00_set_field32(®, TXRX_CSR4_OFDM_TX_FALLBACK_CCK, 0); | |
e4ea1c40 ID |
946 | rt2x00_set_field32(®, TXRX_CSR4_LONG_RETRY_LIMIT, |
947 | libconf->conf->long_frame_max_tx_count); | |
948 | rt2x00_set_field32(®, TXRX_CSR4_SHORT_RETRY_LIMIT, | |
949 | libconf->conf->short_frame_max_tx_count); | |
950 | rt2x00pci_register_write(rt2x00dev, TXRX_CSR4, reg); | |
951 | } | |
95ea3627 | 952 | |
7d7f19cc ID |
953 | static void rt61pci_config_ps(struct rt2x00_dev *rt2x00dev, |
954 | struct rt2x00lib_conf *libconf) | |
955 | { | |
956 | enum dev_state state = | |
957 | (libconf->conf->flags & IEEE80211_CONF_PS) ? | |
958 | STATE_SLEEP : STATE_AWAKE; | |
959 | u32 reg; | |
960 | ||
961 | if (state == STATE_SLEEP) { | |
962 | rt2x00pci_register_read(rt2x00dev, MAC_CSR11, ®); | |
963 | rt2x00_set_field32(®, MAC_CSR11_DELAY_AFTER_TBCN, | |
6b347bff | 964 | rt2x00dev->beacon_int - 10); |
7d7f19cc ID |
965 | rt2x00_set_field32(®, MAC_CSR11_TBCN_BEFORE_WAKEUP, |
966 | libconf->conf->listen_interval - 1); | |
967 | rt2x00_set_field32(®, MAC_CSR11_WAKEUP_LATENCY, 5); | |
968 | ||
969 | /* We must first disable autowake before it can be enabled */ | |
970 | rt2x00_set_field32(®, MAC_CSR11_AUTOWAKE, 0); | |
971 | rt2x00pci_register_write(rt2x00dev, MAC_CSR11, reg); | |
972 | ||
973 | rt2x00_set_field32(®, MAC_CSR11_AUTOWAKE, 1); | |
974 | rt2x00pci_register_write(rt2x00dev, MAC_CSR11, reg); | |
975 | ||
976 | rt2x00pci_register_write(rt2x00dev, SOFT_RESET_CSR, 0x00000005); | |
977 | rt2x00pci_register_write(rt2x00dev, IO_CNTL_CSR, 0x0000001c); | |
978 | rt2x00pci_register_write(rt2x00dev, PCI_USEC_CSR, 0x00000060); | |
979 | ||
980 | rt61pci_mcu_request(rt2x00dev, MCU_SLEEP, 0xff, 0, 0); | |
981 | } else { | |
982 | rt2x00pci_register_read(rt2x00dev, MAC_CSR11, ®); | |
983 | rt2x00_set_field32(®, MAC_CSR11_DELAY_AFTER_TBCN, 0); | |
984 | rt2x00_set_field32(®, MAC_CSR11_TBCN_BEFORE_WAKEUP, 0); | |
985 | rt2x00_set_field32(®, MAC_CSR11_AUTOWAKE, 0); | |
986 | rt2x00_set_field32(®, MAC_CSR11_WAKEUP_LATENCY, 0); | |
987 | rt2x00pci_register_write(rt2x00dev, MAC_CSR11, reg); | |
988 | ||
989 | rt2x00pci_register_write(rt2x00dev, SOFT_RESET_CSR, 0x00000007); | |
990 | rt2x00pci_register_write(rt2x00dev, IO_CNTL_CSR, 0x00000018); | |
991 | rt2x00pci_register_write(rt2x00dev, PCI_USEC_CSR, 0x00000020); | |
992 | ||
993 | rt61pci_mcu_request(rt2x00dev, MCU_WAKEUP, 0xff, 0, 0); | |
994 | } | |
995 | } | |
996 | ||
95ea3627 | 997 | static void rt61pci_config(struct rt2x00_dev *rt2x00dev, |
6bb40dd1 ID |
998 | struct rt2x00lib_conf *libconf, |
999 | const unsigned int flags) | |
95ea3627 | 1000 | { |
ba2ab471 ID |
1001 | /* Always recalculate LNA gain before changing configuration */ |
1002 | rt61pci_config_lna_gain(rt2x00dev, libconf); | |
1003 | ||
e4ea1c40 | 1004 | if (flags & IEEE80211_CONF_CHANGE_CHANNEL) |
5c58ee51 ID |
1005 | rt61pci_config_channel(rt2x00dev, &libconf->rf, |
1006 | libconf->conf->power_level); | |
e4ea1c40 ID |
1007 | if ((flags & IEEE80211_CONF_CHANGE_POWER) && |
1008 | !(flags & IEEE80211_CONF_CHANGE_CHANNEL)) | |
5c58ee51 | 1009 | rt61pci_config_txpower(rt2x00dev, libconf->conf->power_level); |
e4ea1c40 ID |
1010 | if (flags & IEEE80211_CONF_CHANGE_RETRY_LIMITS) |
1011 | rt61pci_config_retry_limit(rt2x00dev, libconf); | |
7d7f19cc ID |
1012 | if (flags & IEEE80211_CONF_CHANGE_PS) |
1013 | rt61pci_config_ps(rt2x00dev, libconf); | |
95ea3627 ID |
1014 | } |
1015 | ||
95ea3627 ID |
1016 | /* |
1017 | * Link tuning | |
1018 | */ | |
ebcf26da ID |
1019 | static void rt61pci_link_stats(struct rt2x00_dev *rt2x00dev, |
1020 | struct link_qual *qual) | |
95ea3627 ID |
1021 | { |
1022 | u32 reg; | |
1023 | ||
1024 | /* | |
1025 | * Update FCS error count from register. | |
1026 | */ | |
1027 | rt2x00pci_register_read(rt2x00dev, STA_CSR0, ®); | |
ebcf26da | 1028 | qual->rx_failed = rt2x00_get_field32(reg, STA_CSR0_FCS_ERROR); |
95ea3627 ID |
1029 | |
1030 | /* | |
1031 | * Update False CCA count from register. | |
1032 | */ | |
1033 | rt2x00pci_register_read(rt2x00dev, STA_CSR1, ®); | |
ebcf26da | 1034 | qual->false_cca = rt2x00_get_field32(reg, STA_CSR1_FALSE_CCA_ERROR); |
95ea3627 ID |
1035 | } |
1036 | ||
5352ff65 ID |
1037 | static inline void rt61pci_set_vgc(struct rt2x00_dev *rt2x00dev, |
1038 | struct link_qual *qual, u8 vgc_level) | |
eb20b4e8 | 1039 | { |
5352ff65 | 1040 | if (qual->vgc_level != vgc_level) { |
eb20b4e8 | 1041 | rt61pci_bbp_write(rt2x00dev, 17, vgc_level); |
5352ff65 ID |
1042 | qual->vgc_level = vgc_level; |
1043 | qual->vgc_level_reg = vgc_level; | |
eb20b4e8 ID |
1044 | } |
1045 | } | |
1046 | ||
5352ff65 ID |
1047 | static void rt61pci_reset_tuner(struct rt2x00_dev *rt2x00dev, |
1048 | struct link_qual *qual) | |
95ea3627 | 1049 | { |
5352ff65 | 1050 | rt61pci_set_vgc(rt2x00dev, qual, 0x20); |
95ea3627 ID |
1051 | } |
1052 | ||
5352ff65 ID |
1053 | static void rt61pci_link_tuner(struct rt2x00_dev *rt2x00dev, |
1054 | struct link_qual *qual, const u32 count) | |
95ea3627 | 1055 | { |
95ea3627 ID |
1056 | u8 up_bound; |
1057 | u8 low_bound; | |
1058 | ||
95ea3627 ID |
1059 | /* |
1060 | * Determine r17 bounds. | |
1061 | */ | |
e5ef5bad | 1062 | if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ) { |
95ea3627 ID |
1063 | low_bound = 0x28; |
1064 | up_bound = 0x48; | |
1065 | if (test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags)) { | |
1066 | low_bound += 0x10; | |
1067 | up_bound += 0x10; | |
1068 | } | |
1069 | } else { | |
1070 | low_bound = 0x20; | |
1071 | up_bound = 0x40; | |
1072 | if (test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags)) { | |
1073 | low_bound += 0x10; | |
1074 | up_bound += 0x10; | |
1075 | } | |
1076 | } | |
1077 | ||
6bb40dd1 ID |
1078 | /* |
1079 | * If we are not associated, we should go straight to the | |
1080 | * dynamic CCA tuning. | |
1081 | */ | |
1082 | if (!rt2x00dev->intf_associated) | |
1083 | goto dynamic_cca_tune; | |
1084 | ||
95ea3627 ID |
1085 | /* |
1086 | * Special big-R17 for very short distance | |
1087 | */ | |
5352ff65 ID |
1088 | if (qual->rssi >= -35) { |
1089 | rt61pci_set_vgc(rt2x00dev, qual, 0x60); | |
95ea3627 ID |
1090 | return; |
1091 | } | |
1092 | ||
1093 | /* | |
1094 | * Special big-R17 for short distance | |
1095 | */ | |
5352ff65 ID |
1096 | if (qual->rssi >= -58) { |
1097 | rt61pci_set_vgc(rt2x00dev, qual, up_bound); | |
95ea3627 ID |
1098 | return; |
1099 | } | |
1100 | ||
1101 | /* | |
1102 | * Special big-R17 for middle-short distance | |
1103 | */ | |
5352ff65 ID |
1104 | if (qual->rssi >= -66) { |
1105 | rt61pci_set_vgc(rt2x00dev, qual, low_bound + 0x10); | |
95ea3627 ID |
1106 | return; |
1107 | } | |
1108 | ||
1109 | /* | |
1110 | * Special mid-R17 for middle distance | |
1111 | */ | |
5352ff65 ID |
1112 | if (qual->rssi >= -74) { |
1113 | rt61pci_set_vgc(rt2x00dev, qual, low_bound + 0x08); | |
95ea3627 ID |
1114 | return; |
1115 | } | |
1116 | ||
1117 | /* | |
1118 | * Special case: Change up_bound based on the rssi. | |
1119 | * Lower up_bound when rssi is weaker then -74 dBm. | |
1120 | */ | |
5352ff65 | 1121 | up_bound -= 2 * (-74 - qual->rssi); |
95ea3627 ID |
1122 | if (low_bound > up_bound) |
1123 | up_bound = low_bound; | |
1124 | ||
5352ff65 ID |
1125 | if (qual->vgc_level > up_bound) { |
1126 | rt61pci_set_vgc(rt2x00dev, qual, up_bound); | |
95ea3627 ID |
1127 | return; |
1128 | } | |
1129 | ||
6bb40dd1 ID |
1130 | dynamic_cca_tune: |
1131 | ||
95ea3627 ID |
1132 | /* |
1133 | * r17 does not yet exceed upper limit, continue and base | |
1134 | * the r17 tuning on the false CCA count. | |
1135 | */ | |
5352ff65 ID |
1136 | if ((qual->false_cca > 512) && (qual->vgc_level < up_bound)) |
1137 | rt61pci_set_vgc(rt2x00dev, qual, ++qual->vgc_level); | |
1138 | else if ((qual->false_cca < 100) && (qual->vgc_level > low_bound)) | |
1139 | rt61pci_set_vgc(rt2x00dev, qual, --qual->vgc_level); | |
95ea3627 ID |
1140 | } |
1141 | ||
1142 | /* | |
a7f3a06c | 1143 | * Firmware functions |
95ea3627 ID |
1144 | */ |
1145 | static char *rt61pci_get_firmware_name(struct rt2x00_dev *rt2x00dev) | |
1146 | { | |
49e721ec | 1147 | u16 chip; |
95ea3627 ID |
1148 | char *fw_name; |
1149 | ||
49e721ec GW |
1150 | pci_read_config_word(to_pci_dev(rt2x00dev->dev), PCI_DEVICE_ID, &chip); |
1151 | switch (chip) { | |
1152 | case RT2561_PCI_ID: | |
95ea3627 ID |
1153 | fw_name = FIRMWARE_RT2561; |
1154 | break; | |
49e721ec | 1155 | case RT2561s_PCI_ID: |
95ea3627 ID |
1156 | fw_name = FIRMWARE_RT2561s; |
1157 | break; | |
49e721ec | 1158 | case RT2661_PCI_ID: |
95ea3627 ID |
1159 | fw_name = FIRMWARE_RT2661; |
1160 | break; | |
1161 | default: | |
1162 | fw_name = NULL; | |
1163 | break; | |
1164 | } | |
1165 | ||
1166 | return fw_name; | |
1167 | } | |
1168 | ||
0cbe0064 ID |
1169 | static int rt61pci_check_firmware(struct rt2x00_dev *rt2x00dev, |
1170 | const u8 *data, const size_t len) | |
a7f3a06c | 1171 | { |
0cbe0064 | 1172 | u16 fw_crc; |
a7f3a06c ID |
1173 | u16 crc; |
1174 | ||
1175 | /* | |
0cbe0064 ID |
1176 | * Only support 8kb firmware files. |
1177 | */ | |
1178 | if (len != 8192) | |
1179 | return FW_BAD_LENGTH; | |
1180 | ||
1181 | /* | |
b34e620f TLSC |
1182 | * The last 2 bytes in the firmware array are the crc checksum itself. |
1183 | * This means that we should never pass those 2 bytes to the crc | |
a7f3a06c ID |
1184 | * algorithm. |
1185 | */ | |
0cbe0064 ID |
1186 | fw_crc = (data[len - 2] << 8 | data[len - 1]); |
1187 | ||
1188 | /* | |
1189 | * Use the crc itu-t algorithm. | |
1190 | */ | |
a7f3a06c ID |
1191 | crc = crc_itu_t(0, data, len - 2); |
1192 | crc = crc_itu_t_byte(crc, 0); | |
1193 | crc = crc_itu_t_byte(crc, 0); | |
1194 | ||
0cbe0064 | 1195 | return (fw_crc == crc) ? FW_OK : FW_BAD_CRC; |
a7f3a06c ID |
1196 | } |
1197 | ||
0cbe0064 ID |
1198 | static int rt61pci_load_firmware(struct rt2x00_dev *rt2x00dev, |
1199 | const u8 *data, const size_t len) | |
95ea3627 ID |
1200 | { |
1201 | int i; | |
1202 | u32 reg; | |
1203 | ||
1204 | /* | |
1205 | * Wait for stable hardware. | |
1206 | */ | |
1207 | for (i = 0; i < 100; i++) { | |
1208 | rt2x00pci_register_read(rt2x00dev, MAC_CSR0, ®); | |
1209 | if (reg) | |
1210 | break; | |
1211 | msleep(1); | |
1212 | } | |
1213 | ||
1214 | if (!reg) { | |
1215 | ERROR(rt2x00dev, "Unstable hardware.\n"); | |
1216 | return -EBUSY; | |
1217 | } | |
1218 | ||
1219 | /* | |
1220 | * Prepare MCU and mailbox for firmware loading. | |
1221 | */ | |
1222 | reg = 0; | |
1223 | rt2x00_set_field32(®, MCU_CNTL_CSR_RESET, 1); | |
1224 | rt2x00pci_register_write(rt2x00dev, MCU_CNTL_CSR, reg); | |
1225 | rt2x00pci_register_write(rt2x00dev, M2H_CMD_DONE_CSR, 0xffffffff); | |
1226 | rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0); | |
1227 | rt2x00pci_register_write(rt2x00dev, HOST_CMD_CSR, 0); | |
1228 | ||
1229 | /* | |
1230 | * Write firmware to device. | |
1231 | */ | |
1232 | reg = 0; | |
1233 | rt2x00_set_field32(®, MCU_CNTL_CSR_RESET, 1); | |
1234 | rt2x00_set_field32(®, MCU_CNTL_CSR_SELECT_BANK, 1); | |
1235 | rt2x00pci_register_write(rt2x00dev, MCU_CNTL_CSR, reg); | |
1236 | ||
1237 | rt2x00pci_register_multiwrite(rt2x00dev, FIRMWARE_IMAGE_BASE, | |
1238 | data, len); | |
1239 | ||
1240 | rt2x00_set_field32(®, MCU_CNTL_CSR_SELECT_BANK, 0); | |
1241 | rt2x00pci_register_write(rt2x00dev, MCU_CNTL_CSR, reg); | |
1242 | ||
1243 | rt2x00_set_field32(®, MCU_CNTL_CSR_RESET, 0); | |
1244 | rt2x00pci_register_write(rt2x00dev, MCU_CNTL_CSR, reg); | |
1245 | ||
1246 | for (i = 0; i < 100; i++) { | |
1247 | rt2x00pci_register_read(rt2x00dev, MCU_CNTL_CSR, ®); | |
1248 | if (rt2x00_get_field32(reg, MCU_CNTL_CSR_READY)) | |
1249 | break; | |
1250 | msleep(1); | |
1251 | } | |
1252 | ||
1253 | if (i == 100) { | |
1254 | ERROR(rt2x00dev, "MCU Control register not ready.\n"); | |
1255 | return -EBUSY; | |
1256 | } | |
1257 | ||
e6d3e902 ID |
1258 | /* |
1259 | * Hardware needs another millisecond before it is ready. | |
1260 | */ | |
1261 | msleep(1); | |
1262 | ||
95ea3627 ID |
1263 | /* |
1264 | * Reset MAC and BBP registers. | |
1265 | */ | |
1266 | reg = 0; | |
1267 | rt2x00_set_field32(®, MAC_CSR1_SOFT_RESET, 1); | |
1268 | rt2x00_set_field32(®, MAC_CSR1_BBP_RESET, 1); | |
1269 | rt2x00pci_register_write(rt2x00dev, MAC_CSR1, reg); | |
1270 | ||
1271 | rt2x00pci_register_read(rt2x00dev, MAC_CSR1, ®); | |
1272 | rt2x00_set_field32(®, MAC_CSR1_SOFT_RESET, 0); | |
1273 | rt2x00_set_field32(®, MAC_CSR1_BBP_RESET, 0); | |
1274 | rt2x00pci_register_write(rt2x00dev, MAC_CSR1, reg); | |
1275 | ||
1276 | rt2x00pci_register_read(rt2x00dev, MAC_CSR1, ®); | |
1277 | rt2x00_set_field32(®, MAC_CSR1_HOST_READY, 1); | |
1278 | rt2x00pci_register_write(rt2x00dev, MAC_CSR1, reg); | |
1279 | ||
1280 | return 0; | |
1281 | } | |
1282 | ||
a7f3a06c ID |
1283 | /* |
1284 | * Initialization functions. | |
1285 | */ | |
798b7adb | 1286 | static bool rt61pci_get_entry_state(struct queue_entry *entry) |
95ea3627 | 1287 | { |
b8be63ff | 1288 | struct queue_entry_priv_pci *entry_priv = entry->priv_data; |
95ea3627 ID |
1289 | u32 word; |
1290 | ||
798b7adb ID |
1291 | if (entry->queue->qid == QID_RX) { |
1292 | rt2x00_desc_read(entry_priv->desc, 0, &word); | |
95ea3627 | 1293 | |
798b7adb ID |
1294 | return rt2x00_get_field32(word, RXD_W0_OWNER_NIC); |
1295 | } else { | |
1296 | rt2x00_desc_read(entry_priv->desc, 0, &word); | |
1297 | ||
1298 | return (rt2x00_get_field32(word, TXD_W0_OWNER_NIC) || | |
1299 | rt2x00_get_field32(word, TXD_W0_VALID)); | |
1300 | } | |
95ea3627 ID |
1301 | } |
1302 | ||
798b7adb | 1303 | static void rt61pci_clear_entry(struct queue_entry *entry) |
95ea3627 | 1304 | { |
b8be63ff | 1305 | struct queue_entry_priv_pci *entry_priv = entry->priv_data; |
798b7adb | 1306 | struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); |
95ea3627 ID |
1307 | u32 word; |
1308 | ||
798b7adb ID |
1309 | if (entry->queue->qid == QID_RX) { |
1310 | rt2x00_desc_read(entry_priv->desc, 5, &word); | |
1311 | rt2x00_set_field32(&word, RXD_W5_BUFFER_PHYSICAL_ADDRESS, | |
1312 | skbdesc->skb_dma); | |
1313 | rt2x00_desc_write(entry_priv->desc, 5, word); | |
1314 | ||
1315 | rt2x00_desc_read(entry_priv->desc, 0, &word); | |
1316 | rt2x00_set_field32(&word, RXD_W0_OWNER_NIC, 1); | |
1317 | rt2x00_desc_write(entry_priv->desc, 0, word); | |
1318 | } else { | |
1319 | rt2x00_desc_read(entry_priv->desc, 0, &word); | |
1320 | rt2x00_set_field32(&word, TXD_W0_VALID, 0); | |
1321 | rt2x00_set_field32(&word, TXD_W0_OWNER_NIC, 0); | |
1322 | rt2x00_desc_write(entry_priv->desc, 0, word); | |
1323 | } | |
95ea3627 ID |
1324 | } |
1325 | ||
181d6902 | 1326 | static int rt61pci_init_queues(struct rt2x00_dev *rt2x00dev) |
95ea3627 | 1327 | { |
b8be63ff | 1328 | struct queue_entry_priv_pci *entry_priv; |
95ea3627 ID |
1329 | u32 reg; |
1330 | ||
95ea3627 ID |
1331 | /* |
1332 | * Initialize registers. | |
1333 | */ | |
1334 | rt2x00pci_register_read(rt2x00dev, TX_RING_CSR0, ®); | |
1335 | rt2x00_set_field32(®, TX_RING_CSR0_AC0_RING_SIZE, | |
181d6902 | 1336 | rt2x00dev->tx[0].limit); |
95ea3627 | 1337 | rt2x00_set_field32(®, TX_RING_CSR0_AC1_RING_SIZE, |
181d6902 | 1338 | rt2x00dev->tx[1].limit); |
95ea3627 | 1339 | rt2x00_set_field32(®, TX_RING_CSR0_AC2_RING_SIZE, |
181d6902 | 1340 | rt2x00dev->tx[2].limit); |
95ea3627 | 1341 | rt2x00_set_field32(®, TX_RING_CSR0_AC3_RING_SIZE, |
181d6902 | 1342 | rt2x00dev->tx[3].limit); |
95ea3627 ID |
1343 | rt2x00pci_register_write(rt2x00dev, TX_RING_CSR0, reg); |
1344 | ||
1345 | rt2x00pci_register_read(rt2x00dev, TX_RING_CSR1, ®); | |
95ea3627 | 1346 | rt2x00_set_field32(®, TX_RING_CSR1_TXD_SIZE, |
181d6902 | 1347 | rt2x00dev->tx[0].desc_size / 4); |
95ea3627 ID |
1348 | rt2x00pci_register_write(rt2x00dev, TX_RING_CSR1, reg); |
1349 | ||
b8be63ff | 1350 | entry_priv = rt2x00dev->tx[0].entries[0].priv_data; |
95ea3627 | 1351 | rt2x00pci_register_read(rt2x00dev, AC0_BASE_CSR, ®); |
30b3a23c | 1352 | rt2x00_set_field32(®, AC0_BASE_CSR_RING_REGISTER, |
b8be63ff | 1353 | entry_priv->desc_dma); |
95ea3627 ID |
1354 | rt2x00pci_register_write(rt2x00dev, AC0_BASE_CSR, reg); |
1355 | ||
b8be63ff | 1356 | entry_priv = rt2x00dev->tx[1].entries[0].priv_data; |
95ea3627 | 1357 | rt2x00pci_register_read(rt2x00dev, AC1_BASE_CSR, ®); |
30b3a23c | 1358 | rt2x00_set_field32(®, AC1_BASE_CSR_RING_REGISTER, |
b8be63ff | 1359 | entry_priv->desc_dma); |
95ea3627 ID |
1360 | rt2x00pci_register_write(rt2x00dev, AC1_BASE_CSR, reg); |
1361 | ||
b8be63ff | 1362 | entry_priv = rt2x00dev->tx[2].entries[0].priv_data; |
95ea3627 | 1363 | rt2x00pci_register_read(rt2x00dev, AC2_BASE_CSR, ®); |
30b3a23c | 1364 | rt2x00_set_field32(®, AC2_BASE_CSR_RING_REGISTER, |
b8be63ff | 1365 | entry_priv->desc_dma); |
95ea3627 ID |
1366 | rt2x00pci_register_write(rt2x00dev, AC2_BASE_CSR, reg); |
1367 | ||
b8be63ff | 1368 | entry_priv = rt2x00dev->tx[3].entries[0].priv_data; |
95ea3627 | 1369 | rt2x00pci_register_read(rt2x00dev, AC3_BASE_CSR, ®); |
30b3a23c | 1370 | rt2x00_set_field32(®, AC3_BASE_CSR_RING_REGISTER, |
b8be63ff | 1371 | entry_priv->desc_dma); |
95ea3627 ID |
1372 | rt2x00pci_register_write(rt2x00dev, AC3_BASE_CSR, reg); |
1373 | ||
95ea3627 | 1374 | rt2x00pci_register_read(rt2x00dev, RX_RING_CSR, ®); |
181d6902 | 1375 | rt2x00_set_field32(®, RX_RING_CSR_RING_SIZE, rt2x00dev->rx->limit); |
95ea3627 ID |
1376 | rt2x00_set_field32(®, RX_RING_CSR_RXD_SIZE, |
1377 | rt2x00dev->rx->desc_size / 4); | |
1378 | rt2x00_set_field32(®, RX_RING_CSR_RXD_WRITEBACK_SIZE, 4); | |
1379 | rt2x00pci_register_write(rt2x00dev, RX_RING_CSR, reg); | |
1380 | ||
b8be63ff | 1381 | entry_priv = rt2x00dev->rx->entries[0].priv_data; |
95ea3627 | 1382 | rt2x00pci_register_read(rt2x00dev, RX_BASE_CSR, ®); |
30b3a23c | 1383 | rt2x00_set_field32(®, RX_BASE_CSR_RING_REGISTER, |
b8be63ff | 1384 | entry_priv->desc_dma); |
95ea3627 ID |
1385 | rt2x00pci_register_write(rt2x00dev, RX_BASE_CSR, reg); |
1386 | ||
1387 | rt2x00pci_register_read(rt2x00dev, TX_DMA_DST_CSR, ®); | |
1388 | rt2x00_set_field32(®, TX_DMA_DST_CSR_DEST_AC0, 2); | |
1389 | rt2x00_set_field32(®, TX_DMA_DST_CSR_DEST_AC1, 2); | |
1390 | rt2x00_set_field32(®, TX_DMA_DST_CSR_DEST_AC2, 2); | |
1391 | rt2x00_set_field32(®, TX_DMA_DST_CSR_DEST_AC3, 2); | |
95ea3627 ID |
1392 | rt2x00pci_register_write(rt2x00dev, TX_DMA_DST_CSR, reg); |
1393 | ||
1394 | rt2x00pci_register_read(rt2x00dev, LOAD_TX_RING_CSR, ®); | |
1395 | rt2x00_set_field32(®, LOAD_TX_RING_CSR_LOAD_TXD_AC0, 1); | |
1396 | rt2x00_set_field32(®, LOAD_TX_RING_CSR_LOAD_TXD_AC1, 1); | |
1397 | rt2x00_set_field32(®, LOAD_TX_RING_CSR_LOAD_TXD_AC2, 1); | |
1398 | rt2x00_set_field32(®, LOAD_TX_RING_CSR_LOAD_TXD_AC3, 1); | |
95ea3627 ID |
1399 | rt2x00pci_register_write(rt2x00dev, LOAD_TX_RING_CSR, reg); |
1400 | ||
1401 | rt2x00pci_register_read(rt2x00dev, RX_CNTL_CSR, ®); | |
1402 | rt2x00_set_field32(®, RX_CNTL_CSR_LOAD_RXD, 1); | |
1403 | rt2x00pci_register_write(rt2x00dev, RX_CNTL_CSR, reg); | |
1404 | ||
1405 | return 0; | |
1406 | } | |
1407 | ||
1408 | static int rt61pci_init_registers(struct rt2x00_dev *rt2x00dev) | |
1409 | { | |
1410 | u32 reg; | |
1411 | ||
1412 | rt2x00pci_register_read(rt2x00dev, TXRX_CSR0, ®); | |
1413 | rt2x00_set_field32(®, TXRX_CSR0_AUTO_TX_SEQ, 1); | |
1414 | rt2x00_set_field32(®, TXRX_CSR0_DISABLE_RX, 0); | |
1415 | rt2x00_set_field32(®, TXRX_CSR0_TX_WITHOUT_WAITING, 0); | |
1416 | rt2x00pci_register_write(rt2x00dev, TXRX_CSR0, reg); | |
1417 | ||
1418 | rt2x00pci_register_read(rt2x00dev, TXRX_CSR1, ®); | |
1419 | rt2x00_set_field32(®, TXRX_CSR1_BBP_ID0, 47); /* CCK Signal */ | |
1420 | rt2x00_set_field32(®, TXRX_CSR1_BBP_ID0_VALID, 1); | |
1421 | rt2x00_set_field32(®, TXRX_CSR1_BBP_ID1, 30); /* Rssi */ | |
1422 | rt2x00_set_field32(®, TXRX_CSR1_BBP_ID1_VALID, 1); | |
1423 | rt2x00_set_field32(®, TXRX_CSR1_BBP_ID2, 42); /* OFDM Rate */ | |
1424 | rt2x00_set_field32(®, TXRX_CSR1_BBP_ID2_VALID, 1); | |
1425 | rt2x00_set_field32(®, TXRX_CSR1_BBP_ID3, 30); /* Rssi */ | |
1426 | rt2x00_set_field32(®, TXRX_CSR1_BBP_ID3_VALID, 1); | |
1427 | rt2x00pci_register_write(rt2x00dev, TXRX_CSR1, reg); | |
1428 | ||
1429 | /* | |
1430 | * CCK TXD BBP registers | |
1431 | */ | |
1432 | rt2x00pci_register_read(rt2x00dev, TXRX_CSR2, ®); | |
1433 | rt2x00_set_field32(®, TXRX_CSR2_BBP_ID0, 13); | |
1434 | rt2x00_set_field32(®, TXRX_CSR2_BBP_ID0_VALID, 1); | |
1435 | rt2x00_set_field32(®, TXRX_CSR2_BBP_ID1, 12); | |
1436 | rt2x00_set_field32(®, TXRX_CSR2_BBP_ID1_VALID, 1); | |
1437 | rt2x00_set_field32(®, TXRX_CSR2_BBP_ID2, 11); | |
1438 | rt2x00_set_field32(®, TXRX_CSR2_BBP_ID2_VALID, 1); | |
1439 | rt2x00_set_field32(®, TXRX_CSR2_BBP_ID3, 10); | |
1440 | rt2x00_set_field32(®, TXRX_CSR2_BBP_ID3_VALID, 1); | |
1441 | rt2x00pci_register_write(rt2x00dev, TXRX_CSR2, reg); | |
1442 | ||
1443 | /* | |
1444 | * OFDM TXD BBP registers | |
1445 | */ | |
1446 | rt2x00pci_register_read(rt2x00dev, TXRX_CSR3, ®); | |
1447 | rt2x00_set_field32(®, TXRX_CSR3_BBP_ID0, 7); | |
1448 | rt2x00_set_field32(®, TXRX_CSR3_BBP_ID0_VALID, 1); | |
1449 | rt2x00_set_field32(®, TXRX_CSR3_BBP_ID1, 6); | |
1450 | rt2x00_set_field32(®, TXRX_CSR3_BBP_ID1_VALID, 1); | |
1451 | rt2x00_set_field32(®, TXRX_CSR3_BBP_ID2, 5); | |
1452 | rt2x00_set_field32(®, TXRX_CSR3_BBP_ID2_VALID, 1); | |
1453 | rt2x00pci_register_write(rt2x00dev, TXRX_CSR3, reg); | |
1454 | ||
1455 | rt2x00pci_register_read(rt2x00dev, TXRX_CSR7, ®); | |
1456 | rt2x00_set_field32(®, TXRX_CSR7_ACK_CTS_6MBS, 59); | |
1457 | rt2x00_set_field32(®, TXRX_CSR7_ACK_CTS_9MBS, 53); | |
1458 | rt2x00_set_field32(®, TXRX_CSR7_ACK_CTS_12MBS, 49); | |
1459 | rt2x00_set_field32(®, TXRX_CSR7_ACK_CTS_18MBS, 46); | |
1460 | rt2x00pci_register_write(rt2x00dev, TXRX_CSR7, reg); | |
1461 | ||
1462 | rt2x00pci_register_read(rt2x00dev, TXRX_CSR8, ®); | |
1463 | rt2x00_set_field32(®, TXRX_CSR8_ACK_CTS_24MBS, 44); | |
1464 | rt2x00_set_field32(®, TXRX_CSR8_ACK_CTS_36MBS, 42); | |
1465 | rt2x00_set_field32(®, TXRX_CSR8_ACK_CTS_48MBS, 42); | |
1466 | rt2x00_set_field32(®, TXRX_CSR8_ACK_CTS_54MBS, 42); | |
1467 | rt2x00pci_register_write(rt2x00dev, TXRX_CSR8, reg); | |
1468 | ||
1f909162 ID |
1469 | rt2x00pci_register_read(rt2x00dev, TXRX_CSR9, ®); |
1470 | rt2x00_set_field32(®, TXRX_CSR9_BEACON_INTERVAL, 0); | |
1471 | rt2x00_set_field32(®, TXRX_CSR9_TSF_TICKING, 0); | |
1472 | rt2x00_set_field32(®, TXRX_CSR9_TSF_SYNC, 0); | |
1473 | rt2x00_set_field32(®, TXRX_CSR9_TBTT_ENABLE, 0); | |
1474 | rt2x00_set_field32(®, TXRX_CSR9_BEACON_GEN, 0); | |
1475 | rt2x00_set_field32(®, TXRX_CSR9_TIMESTAMP_COMPENSATE, 0); | |
1476 | rt2x00pci_register_write(rt2x00dev, TXRX_CSR9, reg); | |
1477 | ||
95ea3627 ID |
1478 | rt2x00pci_register_write(rt2x00dev, TXRX_CSR15, 0x0000000f); |
1479 | ||
1480 | rt2x00pci_register_write(rt2x00dev, MAC_CSR6, 0x00000fff); | |
1481 | ||
1482 | rt2x00pci_register_read(rt2x00dev, MAC_CSR9, ®); | |
1483 | rt2x00_set_field32(®, MAC_CSR9_CW_SELECT, 0); | |
1484 | rt2x00pci_register_write(rt2x00dev, MAC_CSR9, reg); | |
1485 | ||
1486 | rt2x00pci_register_write(rt2x00dev, MAC_CSR10, 0x0000071c); | |
1487 | ||
1488 | if (rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_AWAKE)) | |
1489 | return -EBUSY; | |
1490 | ||
1491 | rt2x00pci_register_write(rt2x00dev, MAC_CSR13, 0x0000e000); | |
1492 | ||
1493 | /* | |
1494 | * Invalidate all Shared Keys (SEC_CSR0), | |
1495 | * and clear the Shared key Cipher algorithms (SEC_CSR1 & SEC_CSR5) | |
1496 | */ | |
1497 | rt2x00pci_register_write(rt2x00dev, SEC_CSR0, 0x00000000); | |
1498 | rt2x00pci_register_write(rt2x00dev, SEC_CSR1, 0x00000000); | |
1499 | rt2x00pci_register_write(rt2x00dev, SEC_CSR5, 0x00000000); | |
1500 | ||
1501 | rt2x00pci_register_write(rt2x00dev, PHY_CSR1, 0x000023b0); | |
1502 | rt2x00pci_register_write(rt2x00dev, PHY_CSR5, 0x060a100c); | |
1503 | rt2x00pci_register_write(rt2x00dev, PHY_CSR6, 0x00080606); | |
1504 | rt2x00pci_register_write(rt2x00dev, PHY_CSR7, 0x00000a08); | |
1505 | ||
1506 | rt2x00pci_register_write(rt2x00dev, PCI_CFG_CSR, 0x28ca4404); | |
1507 | ||
1508 | rt2x00pci_register_write(rt2x00dev, TEST_MODE_CSR, 0x00000200); | |
1509 | ||
1510 | rt2x00pci_register_write(rt2x00dev, M2H_CMD_DONE_CSR, 0xffffffff); | |
1511 | ||
6bb40dd1 ID |
1512 | /* |
1513 | * Clear all beacons | |
1514 | * For the Beacon base registers we only need to clear | |
1515 | * the first byte since that byte contains the VALID and OWNER | |
1516 | * bits which (when set to 0) will invalidate the entire beacon. | |
1517 | */ | |
1518 | rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE0, 0); | |
1519 | rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE1, 0); | |
1520 | rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE2, 0); | |
1521 | rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE3, 0); | |
1522 | ||
95ea3627 ID |
1523 | /* |
1524 | * We must clear the error counters. | |
1525 | * These registers are cleared on read, | |
1526 | * so we may pass a useless variable to store the value. | |
1527 | */ | |
1528 | rt2x00pci_register_read(rt2x00dev, STA_CSR0, ®); | |
1529 | rt2x00pci_register_read(rt2x00dev, STA_CSR1, ®); | |
1530 | rt2x00pci_register_read(rt2x00dev, STA_CSR2, ®); | |
1531 | ||
1532 | /* | |
1533 | * Reset MAC and BBP registers. | |
1534 | */ | |
1535 | rt2x00pci_register_read(rt2x00dev, MAC_CSR1, ®); | |
1536 | rt2x00_set_field32(®, MAC_CSR1_SOFT_RESET, 1); | |
1537 | rt2x00_set_field32(®, MAC_CSR1_BBP_RESET, 1); | |
1538 | rt2x00pci_register_write(rt2x00dev, MAC_CSR1, reg); | |
1539 | ||
1540 | rt2x00pci_register_read(rt2x00dev, MAC_CSR1, ®); | |
1541 | rt2x00_set_field32(®, MAC_CSR1_SOFT_RESET, 0); | |
1542 | rt2x00_set_field32(®, MAC_CSR1_BBP_RESET, 0); | |
1543 | rt2x00pci_register_write(rt2x00dev, MAC_CSR1, reg); | |
1544 | ||
1545 | rt2x00pci_register_read(rt2x00dev, MAC_CSR1, ®); | |
1546 | rt2x00_set_field32(®, MAC_CSR1_HOST_READY, 1); | |
1547 | rt2x00pci_register_write(rt2x00dev, MAC_CSR1, reg); | |
1548 | ||
1549 | return 0; | |
1550 | } | |
1551 | ||
2b08da3f | 1552 | static int rt61pci_wait_bbp_ready(struct rt2x00_dev *rt2x00dev) |
95ea3627 ID |
1553 | { |
1554 | unsigned int i; | |
95ea3627 ID |
1555 | u8 value; |
1556 | ||
1557 | for (i = 0; i < REGISTER_BUSY_COUNT; i++) { | |
1558 | rt61pci_bbp_read(rt2x00dev, 0, &value); | |
1559 | if ((value != 0xff) && (value != 0x00)) | |
2b08da3f | 1560 | return 0; |
95ea3627 ID |
1561 | udelay(REGISTER_BUSY_DELAY); |
1562 | } | |
1563 | ||
1564 | ERROR(rt2x00dev, "BBP register access failed, aborting.\n"); | |
1565 | return -EACCES; | |
2b08da3f ID |
1566 | } |
1567 | ||
1568 | static int rt61pci_init_bbp(struct rt2x00_dev *rt2x00dev) | |
1569 | { | |
1570 | unsigned int i; | |
1571 | u16 eeprom; | |
1572 | u8 reg_id; | |
1573 | u8 value; | |
1574 | ||
1575 | if (unlikely(rt61pci_wait_bbp_ready(rt2x00dev))) | |
1576 | return -EACCES; | |
95ea3627 | 1577 | |
95ea3627 ID |
1578 | rt61pci_bbp_write(rt2x00dev, 3, 0x00); |
1579 | rt61pci_bbp_write(rt2x00dev, 15, 0x30); | |
1580 | rt61pci_bbp_write(rt2x00dev, 21, 0xc8); | |
1581 | rt61pci_bbp_write(rt2x00dev, 22, 0x38); | |
1582 | rt61pci_bbp_write(rt2x00dev, 23, 0x06); | |
1583 | rt61pci_bbp_write(rt2x00dev, 24, 0xfe); | |
1584 | rt61pci_bbp_write(rt2x00dev, 25, 0x0a); | |
1585 | rt61pci_bbp_write(rt2x00dev, 26, 0x0d); | |
1586 | rt61pci_bbp_write(rt2x00dev, 34, 0x12); | |
1587 | rt61pci_bbp_write(rt2x00dev, 37, 0x07); | |
1588 | rt61pci_bbp_write(rt2x00dev, 39, 0xf8); | |
1589 | rt61pci_bbp_write(rt2x00dev, 41, 0x60); | |
1590 | rt61pci_bbp_write(rt2x00dev, 53, 0x10); | |
1591 | rt61pci_bbp_write(rt2x00dev, 54, 0x18); | |
1592 | rt61pci_bbp_write(rt2x00dev, 60, 0x10); | |
1593 | rt61pci_bbp_write(rt2x00dev, 61, 0x04); | |
1594 | rt61pci_bbp_write(rt2x00dev, 62, 0x04); | |
1595 | rt61pci_bbp_write(rt2x00dev, 75, 0xfe); | |
1596 | rt61pci_bbp_write(rt2x00dev, 86, 0xfe); | |
1597 | rt61pci_bbp_write(rt2x00dev, 88, 0xfe); | |
1598 | rt61pci_bbp_write(rt2x00dev, 90, 0x0f); | |
1599 | rt61pci_bbp_write(rt2x00dev, 99, 0x00); | |
1600 | rt61pci_bbp_write(rt2x00dev, 102, 0x16); | |
1601 | rt61pci_bbp_write(rt2x00dev, 107, 0x04); | |
1602 | ||
95ea3627 ID |
1603 | for (i = 0; i < EEPROM_BBP_SIZE; i++) { |
1604 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom); | |
1605 | ||
1606 | if (eeprom != 0xffff && eeprom != 0x0000) { | |
1607 | reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID); | |
1608 | value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE); | |
95ea3627 ID |
1609 | rt61pci_bbp_write(rt2x00dev, reg_id, value); |
1610 | } | |
1611 | } | |
95ea3627 ID |
1612 | |
1613 | return 0; | |
1614 | } | |
1615 | ||
1616 | /* | |
1617 | * Device state switch handlers. | |
1618 | */ | |
1619 | static void rt61pci_toggle_rx(struct rt2x00_dev *rt2x00dev, | |
1620 | enum dev_state state) | |
1621 | { | |
1622 | u32 reg; | |
1623 | ||
1624 | rt2x00pci_register_read(rt2x00dev, TXRX_CSR0, ®); | |
1625 | rt2x00_set_field32(®, TXRX_CSR0_DISABLE_RX, | |
2b08da3f ID |
1626 | (state == STATE_RADIO_RX_OFF) || |
1627 | (state == STATE_RADIO_RX_OFF_LINK)); | |
95ea3627 ID |
1628 | rt2x00pci_register_write(rt2x00dev, TXRX_CSR0, reg); |
1629 | } | |
1630 | ||
1631 | static void rt61pci_toggle_irq(struct rt2x00_dev *rt2x00dev, | |
1632 | enum dev_state state) | |
1633 | { | |
78e256c9 HS |
1634 | int mask = (state == STATE_RADIO_IRQ_OFF) || |
1635 | (state == STATE_RADIO_IRQ_OFF_ISR); | |
95ea3627 ID |
1636 | u32 reg; |
1637 | ||
1638 | /* | |
1639 | * When interrupts are being enabled, the interrupt registers | |
1640 | * should clear the register to assure a clean state. | |
1641 | */ | |
1642 | if (state == STATE_RADIO_IRQ_ON) { | |
1643 | rt2x00pci_register_read(rt2x00dev, INT_SOURCE_CSR, ®); | |
1644 | rt2x00pci_register_write(rt2x00dev, INT_SOURCE_CSR, reg); | |
1645 | ||
1646 | rt2x00pci_register_read(rt2x00dev, MCU_INT_SOURCE_CSR, ®); | |
1647 | rt2x00pci_register_write(rt2x00dev, MCU_INT_SOURCE_CSR, reg); | |
1648 | } | |
1649 | ||
1650 | /* | |
1651 | * Only toggle the interrupts bits we are going to use. | |
1652 | * Non-checked interrupt bits are disabled by default. | |
1653 | */ | |
1654 | rt2x00pci_register_read(rt2x00dev, INT_MASK_CSR, ®); | |
1655 | rt2x00_set_field32(®, INT_MASK_CSR_TXDONE, mask); | |
1656 | rt2x00_set_field32(®, INT_MASK_CSR_RXDONE, mask); | |
6646505d | 1657 | rt2x00_set_field32(®, INT_MASK_CSR_BEACON_DONE, mask); |
95ea3627 ID |
1658 | rt2x00_set_field32(®, INT_MASK_CSR_ENABLE_MITIGATION, mask); |
1659 | rt2x00_set_field32(®, INT_MASK_CSR_MITIGATION_PERIOD, 0xff); | |
1660 | rt2x00pci_register_write(rt2x00dev, INT_MASK_CSR, reg); | |
1661 | ||
1662 | rt2x00pci_register_read(rt2x00dev, MCU_INT_MASK_CSR, ®); | |
1663 | rt2x00_set_field32(®, MCU_INT_MASK_CSR_0, mask); | |
1664 | rt2x00_set_field32(®, MCU_INT_MASK_CSR_1, mask); | |
1665 | rt2x00_set_field32(®, MCU_INT_MASK_CSR_2, mask); | |
1666 | rt2x00_set_field32(®, MCU_INT_MASK_CSR_3, mask); | |
1667 | rt2x00_set_field32(®, MCU_INT_MASK_CSR_4, mask); | |
1668 | rt2x00_set_field32(®, MCU_INT_MASK_CSR_5, mask); | |
1669 | rt2x00_set_field32(®, MCU_INT_MASK_CSR_6, mask); | |
1670 | rt2x00_set_field32(®, MCU_INT_MASK_CSR_7, mask); | |
6646505d | 1671 | rt2x00_set_field32(®, MCU_INT_MASK_CSR_TWAKEUP, mask); |
95ea3627 ID |
1672 | rt2x00pci_register_write(rt2x00dev, MCU_INT_MASK_CSR, reg); |
1673 | } | |
1674 | ||
1675 | static int rt61pci_enable_radio(struct rt2x00_dev *rt2x00dev) | |
1676 | { | |
1677 | u32 reg; | |
1678 | ||
1679 | /* | |
1680 | * Initialize all registers. | |
1681 | */ | |
2b08da3f ID |
1682 | if (unlikely(rt61pci_init_queues(rt2x00dev) || |
1683 | rt61pci_init_registers(rt2x00dev) || | |
1684 | rt61pci_init_bbp(rt2x00dev))) | |
95ea3627 | 1685 | return -EIO; |
95ea3627 ID |
1686 | |
1687 | /* | |
1688 | * Enable RX. | |
1689 | */ | |
1690 | rt2x00pci_register_read(rt2x00dev, RX_CNTL_CSR, ®); | |
1691 | rt2x00_set_field32(®, RX_CNTL_CSR_ENABLE_RX_DMA, 1); | |
1692 | rt2x00pci_register_write(rt2x00dev, RX_CNTL_CSR, reg); | |
1693 | ||
95ea3627 ID |
1694 | return 0; |
1695 | } | |
1696 | ||
1697 | static void rt61pci_disable_radio(struct rt2x00_dev *rt2x00dev) | |
1698 | { | |
95ea3627 | 1699 | /* |
a2c9b652 | 1700 | * Disable power |
95ea3627 | 1701 | */ |
a2c9b652 | 1702 | rt2x00pci_register_write(rt2x00dev, MAC_CSR10, 0x00001818); |
95ea3627 ID |
1703 | } |
1704 | ||
1705 | static int rt61pci_set_state(struct rt2x00_dev *rt2x00dev, enum dev_state state) | |
1706 | { | |
9655a6ec | 1707 | u32 reg, reg2; |
95ea3627 ID |
1708 | unsigned int i; |
1709 | char put_to_sleep; | |
95ea3627 ID |
1710 | |
1711 | put_to_sleep = (state != STATE_AWAKE); | |
1712 | ||
1713 | rt2x00pci_register_read(rt2x00dev, MAC_CSR12, ®); | |
1714 | rt2x00_set_field32(®, MAC_CSR12_FORCE_WAKEUP, !put_to_sleep); | |
1715 | rt2x00_set_field32(®, MAC_CSR12_PUT_TO_SLEEP, put_to_sleep); | |
1716 | rt2x00pci_register_write(rt2x00dev, MAC_CSR12, reg); | |
1717 | ||
1718 | /* | |
1719 | * Device is not guaranteed to be in the requested state yet. | |
1720 | * We must wait until the register indicates that the | |
1721 | * device has entered the correct state. | |
1722 | */ | |
1723 | for (i = 0; i < REGISTER_BUSY_COUNT; i++) { | |
9655a6ec GW |
1724 | rt2x00pci_register_read(rt2x00dev, MAC_CSR12, ®2); |
1725 | state = rt2x00_get_field32(reg2, MAC_CSR12_BBP_CURRENT_STATE); | |
2b08da3f | 1726 | if (state == !put_to_sleep) |
95ea3627 | 1727 | return 0; |
9655a6ec | 1728 | rt2x00pci_register_write(rt2x00dev, MAC_CSR12, reg); |
95ea3627 ID |
1729 | msleep(10); |
1730 | } | |
1731 | ||
95ea3627 ID |
1732 | return -EBUSY; |
1733 | } | |
1734 | ||
1735 | static int rt61pci_set_device_state(struct rt2x00_dev *rt2x00dev, | |
1736 | enum dev_state state) | |
1737 | { | |
1738 | int retval = 0; | |
1739 | ||
1740 | switch (state) { | |
1741 | case STATE_RADIO_ON: | |
1742 | retval = rt61pci_enable_radio(rt2x00dev); | |
1743 | break; | |
1744 | case STATE_RADIO_OFF: | |
1745 | rt61pci_disable_radio(rt2x00dev); | |
1746 | break; | |
1747 | case STATE_RADIO_RX_ON: | |
61667d8d | 1748 | case STATE_RADIO_RX_ON_LINK: |
95ea3627 | 1749 | case STATE_RADIO_RX_OFF: |
61667d8d | 1750 | case STATE_RADIO_RX_OFF_LINK: |
2b08da3f ID |
1751 | rt61pci_toggle_rx(rt2x00dev, state); |
1752 | break; | |
1753 | case STATE_RADIO_IRQ_ON: | |
78e256c9 | 1754 | case STATE_RADIO_IRQ_ON_ISR: |
2b08da3f | 1755 | case STATE_RADIO_IRQ_OFF: |
78e256c9 | 1756 | case STATE_RADIO_IRQ_OFF_ISR: |
2b08da3f | 1757 | rt61pci_toggle_irq(rt2x00dev, state); |
95ea3627 ID |
1758 | break; |
1759 | case STATE_DEEP_SLEEP: | |
1760 | case STATE_SLEEP: | |
1761 | case STATE_STANDBY: | |
1762 | case STATE_AWAKE: | |
1763 | retval = rt61pci_set_state(rt2x00dev, state); | |
1764 | break; | |
1765 | default: | |
1766 | retval = -ENOTSUPP; | |
1767 | break; | |
1768 | } | |
1769 | ||
2b08da3f ID |
1770 | if (unlikely(retval)) |
1771 | ERROR(rt2x00dev, "Device failed to enter state %d (%d).\n", | |
1772 | state, retval); | |
1773 | ||
95ea3627 ID |
1774 | return retval; |
1775 | } | |
1776 | ||
1777 | /* | |
1778 | * TX descriptor initialization | |
1779 | */ | |
93331458 | 1780 | static void rt61pci_write_tx_desc(struct queue_entry *entry, |
61e754f4 | 1781 | struct txentry_desc *txdesc) |
95ea3627 | 1782 | { |
93331458 ID |
1783 | struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); |
1784 | struct queue_entry_priv_pci *entry_priv = entry->priv_data; | |
85b7a8b3 | 1785 | __le32 *txd = entry_priv->desc; |
95ea3627 ID |
1786 | u32 word; |
1787 | ||
1788 | /* | |
1789 | * Start writing the descriptor words. | |
1790 | */ | |
1791 | rt2x00_desc_read(txd, 1, &word); | |
a908a743 | 1792 | rt2x00_set_field32(&word, TXD_W1_HOST_Q_ID, txdesc->qid); |
181d6902 ID |
1793 | rt2x00_set_field32(&word, TXD_W1_AIFSN, txdesc->aifs); |
1794 | rt2x00_set_field32(&word, TXD_W1_CWMIN, txdesc->cw_min); | |
1795 | rt2x00_set_field32(&word, TXD_W1_CWMAX, txdesc->cw_max); | |
61e754f4 | 1796 | rt2x00_set_field32(&word, TXD_W1_IV_OFFSET, txdesc->iv_offset); |
5adf6d63 ID |
1797 | rt2x00_set_field32(&word, TXD_W1_HW_SEQUENCE, |
1798 | test_bit(ENTRY_TXD_GENERATE_SEQ, &txdesc->flags)); | |
4de36fe5 | 1799 | rt2x00_set_field32(&word, TXD_W1_BUFFER_COUNT, 1); |
95ea3627 ID |
1800 | rt2x00_desc_write(txd, 1, word); |
1801 | ||
1802 | rt2x00_desc_read(txd, 2, &word); | |
181d6902 ID |
1803 | rt2x00_set_field32(&word, TXD_W2_PLCP_SIGNAL, txdesc->signal); |
1804 | rt2x00_set_field32(&word, TXD_W2_PLCP_SERVICE, txdesc->service); | |
1805 | rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_LOW, txdesc->length_low); | |
1806 | rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_HIGH, txdesc->length_high); | |
95ea3627 ID |
1807 | rt2x00_desc_write(txd, 2, word); |
1808 | ||
61e754f4 | 1809 | if (test_bit(ENTRY_TXD_ENCRYPT, &txdesc->flags)) { |
1ce9cdac ID |
1810 | _rt2x00_desc_write(txd, 3, skbdesc->iv[0]); |
1811 | _rt2x00_desc_write(txd, 4, skbdesc->iv[1]); | |
61e754f4 ID |
1812 | } |
1813 | ||
95ea3627 | 1814 | rt2x00_desc_read(txd, 5, &word); |
93331458 | 1815 | rt2x00_set_field32(&word, TXD_W5_PID_TYPE, entry->queue->qid); |
4de36fe5 GW |
1816 | rt2x00_set_field32(&word, TXD_W5_PID_SUBTYPE, |
1817 | skbdesc->entry->entry_idx); | |
95ea3627 | 1818 | rt2x00_set_field32(&word, TXD_W5_TX_POWER, |
93331458 | 1819 | TXPOWER_TO_DEV(entry->queue->rt2x00dev->tx_power)); |
95ea3627 ID |
1820 | rt2x00_set_field32(&word, TXD_W5_WAITING_DMA_DONE_INT, 1); |
1821 | rt2x00_desc_write(txd, 5, word); | |
1822 | ||
a908a743 | 1823 | if (txdesc->qid != QID_BEACON) { |
6b97cb04 GW |
1824 | rt2x00_desc_read(txd, 6, &word); |
1825 | rt2x00_set_field32(&word, TXD_W6_BUFFER_PHYSICAL_ADDRESS, | |
1826 | skbdesc->skb_dma); | |
1827 | rt2x00_desc_write(txd, 6, word); | |
4de36fe5 | 1828 | |
d7bafff3 | 1829 | rt2x00_desc_read(txd, 11, &word); |
df624ca5 GW |
1830 | rt2x00_set_field32(&word, TXD_W11_BUFFER_LENGTH0, |
1831 | txdesc->length); | |
d7bafff3 AB |
1832 | rt2x00_desc_write(txd, 11, word); |
1833 | } | |
95ea3627 | 1834 | |
e01f1ec3 GW |
1835 | /* |
1836 | * Writing TXD word 0 must the last to prevent a race condition with | |
1837 | * the device, whereby the device may take hold of the TXD before we | |
1838 | * finished updating it. | |
1839 | */ | |
95ea3627 ID |
1840 | rt2x00_desc_read(txd, 0, &word); |
1841 | rt2x00_set_field32(&word, TXD_W0_OWNER_NIC, 1); | |
1842 | rt2x00_set_field32(&word, TXD_W0_VALID, 1); | |
1843 | rt2x00_set_field32(&word, TXD_W0_MORE_FRAG, | |
181d6902 | 1844 | test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags)); |
95ea3627 | 1845 | rt2x00_set_field32(&word, TXD_W0_ACK, |
181d6902 | 1846 | test_bit(ENTRY_TXD_ACK, &txdesc->flags)); |
95ea3627 | 1847 | rt2x00_set_field32(&word, TXD_W0_TIMESTAMP, |
181d6902 | 1848 | test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags)); |
95ea3627 | 1849 | rt2x00_set_field32(&word, TXD_W0_OFDM, |
076f9582 | 1850 | (txdesc->rate_mode == RATE_MODE_OFDM)); |
181d6902 | 1851 | rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs); |
95ea3627 | 1852 | rt2x00_set_field32(&word, TXD_W0_RETRY_MODE, |
61486e0f | 1853 | test_bit(ENTRY_TXD_RETRY_MODE, &txdesc->flags)); |
61e754f4 ID |
1854 | rt2x00_set_field32(&word, TXD_W0_TKIP_MIC, |
1855 | test_bit(ENTRY_TXD_ENCRYPT_MMIC, &txdesc->flags)); | |
1856 | rt2x00_set_field32(&word, TXD_W0_KEY_TABLE, | |
1857 | test_bit(ENTRY_TXD_ENCRYPT_PAIRWISE, &txdesc->flags)); | |
1858 | rt2x00_set_field32(&word, TXD_W0_KEY_INDEX, txdesc->key_idx); | |
df624ca5 | 1859 | rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, txdesc->length); |
95ea3627 | 1860 | rt2x00_set_field32(&word, TXD_W0_BURST, |
181d6902 | 1861 | test_bit(ENTRY_TXD_BURST, &txdesc->flags)); |
61e754f4 | 1862 | rt2x00_set_field32(&word, TXD_W0_CIPHER_ALG, txdesc->cipher); |
95ea3627 | 1863 | rt2x00_desc_write(txd, 0, word); |
85b7a8b3 GW |
1864 | |
1865 | /* | |
1866 | * Register descriptor details in skb frame descriptor. | |
1867 | */ | |
1868 | skbdesc->desc = txd; | |
1869 | skbdesc->desc_len = | |
a908a743 | 1870 | (txdesc->qid == QID_BEACON) ? TXINFO_SIZE : TXD_DESC_SIZE; |
95ea3627 ID |
1871 | } |
1872 | ||
1873 | /* | |
1874 | * TX data initialization | |
1875 | */ | |
f224f4ef GW |
1876 | static void rt61pci_write_beacon(struct queue_entry *entry, |
1877 | struct txentry_desc *txdesc) | |
bd88a781 ID |
1878 | { |
1879 | struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; | |
85b7a8b3 | 1880 | struct queue_entry_priv_pci *entry_priv = entry->priv_data; |
bd88a781 ID |
1881 | unsigned int beacon_base; |
1882 | u32 reg; | |
1883 | ||
1884 | /* | |
1885 | * Disable beaconing while we are reloading the beacon data, | |
1886 | * otherwise we might be sending out invalid data. | |
1887 | */ | |
1888 | rt2x00pci_register_read(rt2x00dev, TXRX_CSR9, ®); | |
bd88a781 ID |
1889 | rt2x00_set_field32(®, TXRX_CSR9_BEACON_GEN, 0); |
1890 | rt2x00pci_register_write(rt2x00dev, TXRX_CSR9, reg); | |
1891 | ||
5c3b685c GW |
1892 | /* |
1893 | * Write the TX descriptor for the beacon. | |
1894 | */ | |
93331458 | 1895 | rt61pci_write_tx_desc(entry, txdesc); |
5c3b685c GW |
1896 | |
1897 | /* | |
1898 | * Dump beacon to userspace through debugfs. | |
1899 | */ | |
1900 | rt2x00debug_dump_frame(rt2x00dev, DUMP_FRAME_BEACON, entry->skb); | |
1901 | ||
bd88a781 ID |
1902 | /* |
1903 | * Write entire beacon with descriptor to register. | |
1904 | */ | |
1905 | beacon_base = HW_BEACON_OFFSET(entry->entry_idx); | |
85b7a8b3 GW |
1906 | rt2x00pci_register_multiwrite(rt2x00dev, beacon_base, |
1907 | entry_priv->desc, TXINFO_SIZE); | |
1908 | rt2x00pci_register_multiwrite(rt2x00dev, beacon_base + TXINFO_SIZE, | |
bd88a781 ID |
1909 | entry->skb->data, entry->skb->len); |
1910 | ||
d61cb266 GW |
1911 | /* |
1912 | * Enable beaconing again. | |
1913 | * | |
1914 | * For Wi-Fi faily generated beacons between participating | |
1915 | * stations. Set TBTT phase adaptive adjustment step to 8us. | |
1916 | */ | |
1917 | rt2x00pci_register_write(rt2x00dev, TXRX_CSR10, 0x00001008); | |
1918 | ||
1919 | rt2x00_set_field32(®, TXRX_CSR9_TSF_TICKING, 1); | |
1920 | rt2x00_set_field32(®, TXRX_CSR9_TBTT_ENABLE, 1); | |
1921 | rt2x00_set_field32(®, TXRX_CSR9_BEACON_GEN, 1); | |
1922 | rt2x00pci_register_write(rt2x00dev, TXRX_CSR9, reg); | |
1923 | ||
bd88a781 ID |
1924 | /* |
1925 | * Clean up beacon skb. | |
1926 | */ | |
1927 | dev_kfree_skb_any(entry->skb); | |
1928 | entry->skb = NULL; | |
1929 | } | |
1930 | ||
93331458 | 1931 | static void rt61pci_kick_tx_queue(struct data_queue *queue) |
95ea3627 | 1932 | { |
93331458 | 1933 | struct rt2x00_dev *rt2x00dev = queue->rt2x00dev; |
95ea3627 ID |
1934 | u32 reg; |
1935 | ||
95ea3627 | 1936 | rt2x00pci_register_read(rt2x00dev, TX_CNTL_CSR, ®); |
93331458 ID |
1937 | rt2x00_set_field32(®, TX_CNTL_CSR_KICK_TX_AC0, (queue->qid == QID_AC_BE)); |
1938 | rt2x00_set_field32(®, TX_CNTL_CSR_KICK_TX_AC1, (queue->qid == QID_AC_BK)); | |
1939 | rt2x00_set_field32(®, TX_CNTL_CSR_KICK_TX_AC2, (queue->qid == QID_AC_VI)); | |
1940 | rt2x00_set_field32(®, TX_CNTL_CSR_KICK_TX_AC3, (queue->qid == QID_AC_VO)); | |
95ea3627 ID |
1941 | rt2x00pci_register_write(rt2x00dev, TX_CNTL_CSR, reg); |
1942 | } | |
1943 | ||
93331458 | 1944 | static void rt61pci_kill_tx_queue(struct data_queue *queue) |
a2c9b652 | 1945 | { |
93331458 | 1946 | struct rt2x00_dev *rt2x00dev = queue->rt2x00dev; |
a2c9b652 ID |
1947 | u32 reg; |
1948 | ||
93331458 | 1949 | if (queue->qid == QID_BEACON) { |
a2c9b652 ID |
1950 | rt2x00pci_register_write(rt2x00dev, TXRX_CSR9, 0); |
1951 | return; | |
1952 | } | |
1953 | ||
1954 | rt2x00pci_register_read(rt2x00dev, TX_CNTL_CSR, ®); | |
93331458 ID |
1955 | rt2x00_set_field32(®, TX_CNTL_CSR_ABORT_TX_AC0, (queue->qid == QID_AC_BE)); |
1956 | rt2x00_set_field32(®, TX_CNTL_CSR_ABORT_TX_AC1, (queue->qid == QID_AC_BK)); | |
1957 | rt2x00_set_field32(®, TX_CNTL_CSR_ABORT_TX_AC2, (queue->qid == QID_AC_VI)); | |
1958 | rt2x00_set_field32(®, TX_CNTL_CSR_ABORT_TX_AC3, (queue->qid == QID_AC_VO)); | |
a2c9b652 ID |
1959 | rt2x00pci_register_write(rt2x00dev, TX_CNTL_CSR, reg); |
1960 | } | |
1961 | ||
95ea3627 ID |
1962 | /* |
1963 | * RX control handlers | |
1964 | */ | |
1965 | static int rt61pci_agc_to_rssi(struct rt2x00_dev *rt2x00dev, int rxd_w1) | |
1966 | { | |
ba2ab471 | 1967 | u8 offset = rt2x00dev->lna_gain; |
95ea3627 ID |
1968 | u8 lna; |
1969 | ||
1970 | lna = rt2x00_get_field32(rxd_w1, RXD_W1_RSSI_LNA); | |
1971 | switch (lna) { | |
1972 | case 3: | |
ba2ab471 | 1973 | offset += 90; |
95ea3627 ID |
1974 | break; |
1975 | case 2: | |
ba2ab471 | 1976 | offset += 74; |
95ea3627 ID |
1977 | break; |
1978 | case 1: | |
ba2ab471 | 1979 | offset += 64; |
95ea3627 ID |
1980 | break; |
1981 | default: | |
1982 | return 0; | |
1983 | } | |
1984 | ||
e5ef5bad | 1985 | if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ) { |
95ea3627 ID |
1986 | if (lna == 3 || lna == 2) |
1987 | offset += 10; | |
95ea3627 ID |
1988 | } |
1989 | ||
1990 | return rt2x00_get_field32(rxd_w1, RXD_W1_RSSI_AGC) * 2 - offset; | |
1991 | } | |
1992 | ||
181d6902 | 1993 | static void rt61pci_fill_rxdone(struct queue_entry *entry, |
55887511 | 1994 | struct rxdone_entry_desc *rxdesc) |
95ea3627 | 1995 | { |
61e754f4 | 1996 | struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; |
b8be63ff | 1997 | struct queue_entry_priv_pci *entry_priv = entry->priv_data; |
95ea3627 ID |
1998 | u32 word0; |
1999 | u32 word1; | |
2000 | ||
b8be63ff ID |
2001 | rt2x00_desc_read(entry_priv->desc, 0, &word0); |
2002 | rt2x00_desc_read(entry_priv->desc, 1, &word1); | |
95ea3627 | 2003 | |
4150c572 | 2004 | if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR)) |
181d6902 | 2005 | rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC; |
95ea3627 | 2006 | |
78b8f3b0 GW |
2007 | rxdesc->cipher = rt2x00_get_field32(word0, RXD_W0_CIPHER_ALG); |
2008 | rxdesc->cipher_status = rt2x00_get_field32(word0, RXD_W0_CIPHER_ERROR); | |
61e754f4 ID |
2009 | |
2010 | if (rxdesc->cipher != CIPHER_NONE) { | |
1ce9cdac ID |
2011 | _rt2x00_desc_read(entry_priv->desc, 2, &rxdesc->iv[0]); |
2012 | _rt2x00_desc_read(entry_priv->desc, 3, &rxdesc->iv[1]); | |
74415edb ID |
2013 | rxdesc->dev_flags |= RXDONE_CRYPTO_IV; |
2014 | ||
61e754f4 | 2015 | _rt2x00_desc_read(entry_priv->desc, 4, &rxdesc->icv); |
74415edb | 2016 | rxdesc->dev_flags |= RXDONE_CRYPTO_ICV; |
61e754f4 ID |
2017 | |
2018 | /* | |
2019 | * Hardware has stripped IV/EIV data from 802.11 frame during | |
b34e620f | 2020 | * decryption. It has provided the data separately but rt2x00lib |
61e754f4 ID |
2021 | * should decide if it should be reinserted. |
2022 | */ | |
2023 | rxdesc->flags |= RX_FLAG_IV_STRIPPED; | |
2024 | ||
2025 | /* | |
2026 | * FIXME: Legacy driver indicates that the frame does | |
2027 | * contain the Michael Mic. Unfortunately, in rt2x00 | |
2028 | * the MIC seems to be missing completely... | |
2029 | */ | |
2030 | rxdesc->flags |= RX_FLAG_MMIC_STRIPPED; | |
2031 | ||
2032 | if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS) | |
2033 | rxdesc->flags |= RX_FLAG_DECRYPTED; | |
2034 | else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC) | |
2035 | rxdesc->flags |= RX_FLAG_MMIC_ERROR; | |
2036 | } | |
2037 | ||
95ea3627 ID |
2038 | /* |
2039 | * Obtain the status about this packet. | |
89993890 ID |
2040 | * When frame was received with an OFDM bitrate, |
2041 | * the signal is the PLCP value. If it was received with | |
2042 | * a CCK bitrate the signal is the rate in 100kbit/s. | |
95ea3627 | 2043 | */ |
181d6902 | 2044 | rxdesc->signal = rt2x00_get_field32(word1, RXD_W1_SIGNAL); |
61e754f4 | 2045 | rxdesc->rssi = rt61pci_agc_to_rssi(rt2x00dev, word1); |
181d6902 | 2046 | rxdesc->size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT); |
19d30e02 | 2047 | |
19d30e02 ID |
2048 | if (rt2x00_get_field32(word0, RXD_W0_OFDM)) |
2049 | rxdesc->dev_flags |= RXDONE_SIGNAL_PLCP; | |
6c6aa3c0 ID |
2050 | else |
2051 | rxdesc->dev_flags |= RXDONE_SIGNAL_BITRATE; | |
19d30e02 ID |
2052 | if (rt2x00_get_field32(word0, RXD_W0_MY_BSS)) |
2053 | rxdesc->dev_flags |= RXDONE_MY_BSS; | |
95ea3627 ID |
2054 | } |
2055 | ||
2056 | /* | |
2057 | * Interrupt functions. | |
2058 | */ | |
2059 | static void rt61pci_txdone(struct rt2x00_dev *rt2x00dev) | |
2060 | { | |
181d6902 ID |
2061 | struct data_queue *queue; |
2062 | struct queue_entry *entry; | |
2063 | struct queue_entry *entry_done; | |
b8be63ff | 2064 | struct queue_entry_priv_pci *entry_priv; |
181d6902 | 2065 | struct txdone_entry_desc txdesc; |
95ea3627 ID |
2066 | u32 word; |
2067 | u32 reg; | |
95ea3627 ID |
2068 | int type; |
2069 | int index; | |
e6474c3c | 2070 | int i; |
95ea3627 ID |
2071 | |
2072 | /* | |
e6474c3c ID |
2073 | * TX_STA_FIFO is a stack of X entries, hence read TX_STA_FIFO |
2074 | * at most X times and also stop processing once the TX_STA_FIFO_VALID | |
2075 | * flag is not set anymore. | |
2076 | * | |
2077 | * The legacy drivers use X=TX_RING_SIZE but state in a comment | |
2078 | * that the TX_STA_FIFO stack has a size of 16. We stick to our | |
2079 | * tx ring size for now. | |
95ea3627 | 2080 | */ |
efd2f271 | 2081 | for (i = 0; i < rt2x00dev->ops->tx->entry_num; i++) { |
95ea3627 ID |
2082 | rt2x00pci_register_read(rt2x00dev, STA_CSR4, ®); |
2083 | if (!rt2x00_get_field32(reg, STA_CSR4_VALID)) | |
2084 | break; | |
2085 | ||
95ea3627 ID |
2086 | /* |
2087 | * Skip this entry when it contains an invalid | |
181d6902 | 2088 | * queue identication number. |
95ea3627 ID |
2089 | */ |
2090 | type = rt2x00_get_field32(reg, STA_CSR4_PID_TYPE); | |
181d6902 ID |
2091 | queue = rt2x00queue_get_queue(rt2x00dev, type); |
2092 | if (unlikely(!queue)) | |
95ea3627 ID |
2093 | continue; |
2094 | ||
2095 | /* | |
2096 | * Skip this entry when it contains an invalid | |
2097 | * index number. | |
2098 | */ | |
2099 | index = rt2x00_get_field32(reg, STA_CSR4_PID_SUBTYPE); | |
181d6902 | 2100 | if (unlikely(index >= queue->limit)) |
95ea3627 ID |
2101 | continue; |
2102 | ||
181d6902 | 2103 | entry = &queue->entries[index]; |
b8be63ff ID |
2104 | entry_priv = entry->priv_data; |
2105 | rt2x00_desc_read(entry_priv->desc, 0, &word); | |
95ea3627 ID |
2106 | |
2107 | if (rt2x00_get_field32(word, TXD_W0_OWNER_NIC) || | |
2108 | !rt2x00_get_field32(word, TXD_W0_VALID)) | |
2109 | return; | |
2110 | ||
181d6902 | 2111 | entry_done = rt2x00queue_get_entry(queue, Q_INDEX_DONE); |
62bc060b | 2112 | while (entry != entry_done) { |
181d6902 ID |
2113 | /* Catch up. |
2114 | * Just report any entries we missed as failed. | |
2115 | */ | |
62bc060b | 2116 | WARNING(rt2x00dev, |
181d6902 ID |
2117 | "TX status report missed for entry %d\n", |
2118 | entry_done->entry_idx); | |
2119 | ||
65b7fc97 | 2120 | rt2x00lib_txdone_noinfo(entry_done, TXDONE_UNKNOWN); |
181d6902 | 2121 | entry_done = rt2x00queue_get_entry(queue, Q_INDEX_DONE); |
62bc060b MN |
2122 | } |
2123 | ||
95ea3627 ID |
2124 | /* |
2125 | * Obtain the status about this packet. | |
2126 | */ | |
fb55f4d1 ID |
2127 | txdesc.flags = 0; |
2128 | switch (rt2x00_get_field32(reg, STA_CSR4_TX_RESULT)) { | |
2129 | case 0: /* Success, maybe with retry */ | |
2130 | __set_bit(TXDONE_SUCCESS, &txdesc.flags); | |
2131 | break; | |
2132 | case 6: /* Failure, excessive retries */ | |
2133 | __set_bit(TXDONE_EXCESSIVE_RETRY, &txdesc.flags); | |
2134 | /* Don't break, this is a failed frame! */ | |
2135 | default: /* Failure */ | |
2136 | __set_bit(TXDONE_FAILURE, &txdesc.flags); | |
2137 | } | |
181d6902 | 2138 | txdesc.retry = rt2x00_get_field32(reg, STA_CSR4_RETRY_COUNT); |
95ea3627 | 2139 | |
e1b4d7b7 ID |
2140 | /* |
2141 | * the frame was retried at least once | |
2142 | * -> hw used fallback rates | |
2143 | */ | |
2144 | if (txdesc.retry) | |
2145 | __set_bit(TXDONE_FALLBACK, &txdesc.flags); | |
2146 | ||
e513a0b6 | 2147 | rt2x00lib_txdone(entry, &txdesc); |
95ea3627 ID |
2148 | } |
2149 | } | |
2150 | ||
9e189446 GW |
2151 | static void rt61pci_wakeup(struct rt2x00_dev *rt2x00dev) |
2152 | { | |
2153 | struct ieee80211_conf conf = { .flags = 0 }; | |
2154 | struct rt2x00lib_conf libconf = { .conf = &conf }; | |
2155 | ||
2156 | rt61pci_config(rt2x00dev, &libconf, IEEE80211_CONF_CHANGE_PS); | |
2157 | } | |
2158 | ||
78e256c9 | 2159 | static irqreturn_t rt61pci_interrupt_thread(int irq, void *dev_instance) |
95ea3627 ID |
2160 | { |
2161 | struct rt2x00_dev *rt2x00dev = dev_instance; | |
78e256c9 HS |
2162 | u32 reg = rt2x00dev->irqvalue[0]; |
2163 | u32 reg_mcu = rt2x00dev->irqvalue[1]; | |
95ea3627 ID |
2164 | |
2165 | /* | |
2166 | * Handle interrupts, walk through all bits | |
2167 | * and run the tasks, the bits are checked in order of | |
2168 | * priority. | |
2169 | */ | |
2170 | ||
2171 | /* | |
2172 | * 1 - Rx ring done interrupt. | |
2173 | */ | |
2174 | if (rt2x00_get_field32(reg, INT_SOURCE_CSR_RXDONE)) | |
2175 | rt2x00pci_rxdone(rt2x00dev); | |
2176 | ||
2177 | /* | |
2178 | * 2 - Tx ring done interrupt. | |
2179 | */ | |
2180 | if (rt2x00_get_field32(reg, INT_SOURCE_CSR_TXDONE)) | |
2181 | rt61pci_txdone(rt2x00dev); | |
2182 | ||
2183 | /* | |
2184 | * 3 - Handle MCU command done. | |
2185 | */ | |
2186 | if (reg_mcu) | |
2187 | rt2x00pci_register_write(rt2x00dev, | |
2188 | M2H_CMD_DONE_CSR, 0xffffffff); | |
2189 | ||
9e189446 GW |
2190 | /* |
2191 | * 4 - MCU Autowakeup interrupt. | |
2192 | */ | |
2193 | if (rt2x00_get_field32(reg_mcu, MCU_INT_SOURCE_CSR_TWAKEUP)) | |
2194 | rt61pci_wakeup(rt2x00dev); | |
2195 | ||
fa43750f HS |
2196 | /* |
2197 | * 5 - Beacon done interrupt. | |
2198 | */ | |
2199 | if (rt2x00_get_field32(reg, INT_SOURCE_CSR_BEACON_DONE)) | |
2200 | rt2x00lib_beacondone(rt2x00dev); | |
2201 | ||
78e256c9 HS |
2202 | /* Enable interrupts again. */ |
2203 | rt2x00dev->ops->lib->set_device_state(rt2x00dev, | |
2204 | STATE_RADIO_IRQ_ON_ISR); | |
95ea3627 ID |
2205 | return IRQ_HANDLED; |
2206 | } | |
2207 | ||
78e256c9 HS |
2208 | |
2209 | static irqreturn_t rt61pci_interrupt(int irq, void *dev_instance) | |
2210 | { | |
2211 | struct rt2x00_dev *rt2x00dev = dev_instance; | |
2212 | u32 reg_mcu; | |
2213 | u32 reg; | |
2214 | ||
2215 | /* | |
2216 | * Get the interrupt sources & saved to local variable. | |
2217 | * Write register value back to clear pending interrupts. | |
2218 | */ | |
2219 | rt2x00pci_register_read(rt2x00dev, MCU_INT_SOURCE_CSR, ®_mcu); | |
2220 | rt2x00pci_register_write(rt2x00dev, MCU_INT_SOURCE_CSR, reg_mcu); | |
2221 | ||
2222 | rt2x00pci_register_read(rt2x00dev, INT_SOURCE_CSR, ®); | |
2223 | rt2x00pci_register_write(rt2x00dev, INT_SOURCE_CSR, reg); | |
2224 | ||
2225 | if (!reg && !reg_mcu) | |
2226 | return IRQ_NONE; | |
2227 | ||
2228 | if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags)) | |
2229 | return IRQ_HANDLED; | |
2230 | ||
2231 | /* Store irqvalues for use in the interrupt thread. */ | |
2232 | rt2x00dev->irqvalue[0] = reg; | |
2233 | rt2x00dev->irqvalue[1] = reg_mcu; | |
2234 | ||
2235 | /* Disable interrupts, will be enabled again in the interrupt thread. */ | |
2236 | rt2x00dev->ops->lib->set_device_state(rt2x00dev, | |
2237 | STATE_RADIO_IRQ_OFF_ISR); | |
2238 | return IRQ_WAKE_THREAD; | |
2239 | } | |
2240 | ||
95ea3627 ID |
2241 | /* |
2242 | * Device probe functions. | |
2243 | */ | |
2244 | static int rt61pci_validate_eeprom(struct rt2x00_dev *rt2x00dev) | |
2245 | { | |
2246 | struct eeprom_93cx6 eeprom; | |
2247 | u32 reg; | |
2248 | u16 word; | |
2249 | u8 *mac; | |
2250 | s8 value; | |
2251 | ||
2252 | rt2x00pci_register_read(rt2x00dev, E2PROM_CSR, ®); | |
2253 | ||
2254 | eeprom.data = rt2x00dev; | |
2255 | eeprom.register_read = rt61pci_eepromregister_read; | |
2256 | eeprom.register_write = rt61pci_eepromregister_write; | |
2257 | eeprom.width = rt2x00_get_field32(reg, E2PROM_CSR_TYPE_93C46) ? | |
2258 | PCI_EEPROM_WIDTH_93C46 : PCI_EEPROM_WIDTH_93C66; | |
2259 | eeprom.reg_data_in = 0; | |
2260 | eeprom.reg_data_out = 0; | |
2261 | eeprom.reg_data_clock = 0; | |
2262 | eeprom.reg_chip_select = 0; | |
2263 | ||
2264 | eeprom_93cx6_multiread(&eeprom, EEPROM_BASE, rt2x00dev->eeprom, | |
2265 | EEPROM_SIZE / sizeof(u16)); | |
2266 | ||
2267 | /* | |
2268 | * Start validation of the data that has been read. | |
2269 | */ | |
2270 | mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0); | |
2271 | if (!is_valid_ether_addr(mac)) { | |
2272 | random_ether_addr(mac); | |
e174961c | 2273 | EEPROM(rt2x00dev, "MAC: %pM\n", mac); |
95ea3627 ID |
2274 | } |
2275 | ||
2276 | rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word); | |
2277 | if (word == 0xffff) { | |
2278 | rt2x00_set_field16(&word, EEPROM_ANTENNA_NUM, 2); | |
362f3b6b ID |
2279 | rt2x00_set_field16(&word, EEPROM_ANTENNA_TX_DEFAULT, |
2280 | ANTENNA_B); | |
2281 | rt2x00_set_field16(&word, EEPROM_ANTENNA_RX_DEFAULT, | |
2282 | ANTENNA_B); | |
95ea3627 ID |
2283 | rt2x00_set_field16(&word, EEPROM_ANTENNA_FRAME_TYPE, 0); |
2284 | rt2x00_set_field16(&word, EEPROM_ANTENNA_DYN_TXAGC, 0); | |
2285 | rt2x00_set_field16(&word, EEPROM_ANTENNA_HARDWARE_RADIO, 0); | |
2286 | rt2x00_set_field16(&word, EEPROM_ANTENNA_RF_TYPE, RF5225); | |
2287 | rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word); | |
2288 | EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word); | |
2289 | } | |
2290 | ||
2291 | rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &word); | |
2292 | if (word == 0xffff) { | |
2293 | rt2x00_set_field16(&word, EEPROM_NIC_ENABLE_DIVERSITY, 0); | |
2294 | rt2x00_set_field16(&word, EEPROM_NIC_TX_DIVERSITY, 0); | |
91581b62 ID |
2295 | rt2x00_set_field16(&word, EEPROM_NIC_RX_FIXED, 0); |
2296 | rt2x00_set_field16(&word, EEPROM_NIC_TX_FIXED, 0); | |
95ea3627 ID |
2297 | rt2x00_set_field16(&word, EEPROM_NIC_EXTERNAL_LNA_BG, 0); |
2298 | rt2x00_set_field16(&word, EEPROM_NIC_CARDBUS_ACCEL, 0); | |
2299 | rt2x00_set_field16(&word, EEPROM_NIC_EXTERNAL_LNA_A, 0); | |
2300 | rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC, word); | |
2301 | EEPROM(rt2x00dev, "NIC: 0x%04x\n", word); | |
2302 | } | |
2303 | ||
2304 | rt2x00_eeprom_read(rt2x00dev, EEPROM_LED, &word); | |
2305 | if (word == 0xffff) { | |
2306 | rt2x00_set_field16(&word, EEPROM_LED_LED_MODE, | |
2307 | LED_MODE_DEFAULT); | |
2308 | rt2x00_eeprom_write(rt2x00dev, EEPROM_LED, word); | |
2309 | EEPROM(rt2x00dev, "Led: 0x%04x\n", word); | |
2310 | } | |
2311 | ||
2312 | rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &word); | |
2313 | if (word == 0xffff) { | |
2314 | rt2x00_set_field16(&word, EEPROM_FREQ_OFFSET, 0); | |
2315 | rt2x00_set_field16(&word, EEPROM_FREQ_SEQ, 0); | |
2316 | rt2x00_eeprom_write(rt2x00dev, EEPROM_FREQ, word); | |
2317 | EEPROM(rt2x00dev, "Freq: 0x%04x\n", word); | |
2318 | } | |
2319 | ||
2320 | rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_BG, &word); | |
2321 | if (word == 0xffff) { | |
2322 | rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_1, 0); | |
2323 | rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_2, 0); | |
2324 | rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_BG, word); | |
2325 | EEPROM(rt2x00dev, "RSSI OFFSET BG: 0x%04x\n", word); | |
2326 | } else { | |
2327 | value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_BG_1); | |
2328 | if (value < -10 || value > 10) | |
2329 | rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_1, 0); | |
2330 | value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_BG_2); | |
2331 | if (value < -10 || value > 10) | |
2332 | rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_2, 0); | |
2333 | rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_BG, word); | |
2334 | } | |
2335 | ||
2336 | rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_A, &word); | |
2337 | if (word == 0xffff) { | |
2338 | rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_1, 0); | |
2339 | rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_2, 0); | |
2340 | rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_A, word); | |
417f412f | 2341 | EEPROM(rt2x00dev, "RSSI OFFSET A: 0x%04x\n", word); |
95ea3627 ID |
2342 | } else { |
2343 | value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_A_1); | |
2344 | if (value < -10 || value > 10) | |
2345 | rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_1, 0); | |
2346 | value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_A_2); | |
2347 | if (value < -10 || value > 10) | |
2348 | rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_2, 0); | |
2349 | rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_A, word); | |
2350 | } | |
2351 | ||
2352 | return 0; | |
2353 | } | |
2354 | ||
2355 | static int rt61pci_init_eeprom(struct rt2x00_dev *rt2x00dev) | |
2356 | { | |
2357 | u32 reg; | |
2358 | u16 value; | |
2359 | u16 eeprom; | |
95ea3627 ID |
2360 | |
2361 | /* | |
2362 | * Read EEPROM word for configuration. | |
2363 | */ | |
2364 | rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom); | |
2365 | ||
2366 | /* | |
2367 | * Identify RF chipset. | |
95ea3627 | 2368 | */ |
95ea3627 ID |
2369 | value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE); |
2370 | rt2x00pci_register_read(rt2x00dev, MAC_CSR0, ®); | |
49e721ec GW |
2371 | rt2x00_set_chip(rt2x00dev, rt2x00_get_field32(reg, MAC_CSR0_CHIPSET), |
2372 | value, rt2x00_get_field32(reg, MAC_CSR0_REVISION)); | |
95ea3627 | 2373 | |
5122d898 GW |
2374 | if (!rt2x00_rf(rt2x00dev, RF5225) && |
2375 | !rt2x00_rf(rt2x00dev, RF5325) && | |
2376 | !rt2x00_rf(rt2x00dev, RF2527) && | |
2377 | !rt2x00_rf(rt2x00dev, RF2529)) { | |
95ea3627 ID |
2378 | ERROR(rt2x00dev, "Invalid RF chipset detected.\n"); |
2379 | return -ENODEV; | |
2380 | } | |
2381 | ||
e4cd2ff8 | 2382 | /* |
49513481 | 2383 | * Determine number of antennas. |
e4cd2ff8 ID |
2384 | */ |
2385 | if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_NUM) == 2) | |
2386 | __set_bit(CONFIG_DOUBLE_ANTENNA, &rt2x00dev->flags); | |
2387 | ||
95ea3627 ID |
2388 | /* |
2389 | * Identify default antenna configuration. | |
2390 | */ | |
addc81bd | 2391 | rt2x00dev->default_ant.tx = |
95ea3627 | 2392 | rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TX_DEFAULT); |
addc81bd | 2393 | rt2x00dev->default_ant.rx = |
95ea3627 ID |
2394 | rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RX_DEFAULT); |
2395 | ||
2396 | /* | |
2397 | * Read the Frame type. | |
2398 | */ | |
2399 | if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_FRAME_TYPE)) | |
2400 | __set_bit(CONFIG_FRAME_TYPE, &rt2x00dev->flags); | |
2401 | ||
95ea3627 | 2402 | /* |
b34e620f | 2403 | * Detect if this device has a hardware controlled radio. |
95ea3627 ID |
2404 | */ |
2405 | if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_HARDWARE_RADIO)) | |
066cb637 | 2406 | __set_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags); |
95ea3627 ID |
2407 | |
2408 | /* | |
2409 | * Read frequency offset and RF programming sequence. | |
2410 | */ | |
2411 | rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &eeprom); | |
2412 | if (rt2x00_get_field16(eeprom, EEPROM_FREQ_SEQ)) | |
2413 | __set_bit(CONFIG_RF_SEQUENCE, &rt2x00dev->flags); | |
2414 | ||
2415 | rt2x00dev->freq_offset = rt2x00_get_field16(eeprom, EEPROM_FREQ_OFFSET); | |
2416 | ||
2417 | /* | |
2418 | * Read external LNA informations. | |
2419 | */ | |
2420 | rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &eeprom); | |
2421 | ||
2422 | if (rt2x00_get_field16(eeprom, EEPROM_NIC_EXTERNAL_LNA_A)) | |
2423 | __set_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags); | |
2424 | if (rt2x00_get_field16(eeprom, EEPROM_NIC_EXTERNAL_LNA_BG)) | |
2425 | __set_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags); | |
2426 | ||
e4cd2ff8 | 2427 | /* |
b34e620f | 2428 | * When working with a RF2529 chip without double antenna, |
e4cd2ff8 ID |
2429 | * the antenna settings should be gathered from the NIC |
2430 | * eeprom word. | |
2431 | */ | |
5122d898 | 2432 | if (rt2x00_rf(rt2x00dev, RF2529) && |
e4cd2ff8 | 2433 | !test_bit(CONFIG_DOUBLE_ANTENNA, &rt2x00dev->flags)) { |
91581b62 ID |
2434 | rt2x00dev->default_ant.rx = |
2435 | ANTENNA_A + rt2x00_get_field16(eeprom, EEPROM_NIC_RX_FIXED); | |
2436 | rt2x00dev->default_ant.tx = | |
2437 | ANTENNA_B - rt2x00_get_field16(eeprom, EEPROM_NIC_TX_FIXED); | |
e4cd2ff8 ID |
2438 | |
2439 | if (rt2x00_get_field16(eeprom, EEPROM_NIC_TX_DIVERSITY)) | |
2440 | rt2x00dev->default_ant.tx = ANTENNA_SW_DIVERSITY; | |
2441 | if (rt2x00_get_field16(eeprom, EEPROM_NIC_ENABLE_DIVERSITY)) | |
2442 | rt2x00dev->default_ant.rx = ANTENNA_SW_DIVERSITY; | |
2443 | } | |
2444 | ||
95ea3627 ID |
2445 | /* |
2446 | * Store led settings, for correct led behaviour. | |
2447 | * If the eeprom value is invalid, | |
2448 | * switch to default led mode. | |
2449 | */ | |
771fd565 | 2450 | #ifdef CONFIG_RT2X00_LIB_LEDS |
95ea3627 | 2451 | rt2x00_eeprom_read(rt2x00dev, EEPROM_LED, &eeprom); |
a9450b70 ID |
2452 | value = rt2x00_get_field16(eeprom, EEPROM_LED_LED_MODE); |
2453 | ||
475433be ID |
2454 | rt61pci_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO); |
2455 | rt61pci_init_led(rt2x00dev, &rt2x00dev->led_assoc, LED_TYPE_ASSOC); | |
2456 | if (value == LED_MODE_SIGNAL_STRENGTH) | |
2457 | rt61pci_init_led(rt2x00dev, &rt2x00dev->led_qual, | |
2458 | LED_TYPE_QUALITY); | |
95ea3627 | 2459 | |
a9450b70 ID |
2460 | rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_LED_MODE, value); |
2461 | rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_0, | |
95ea3627 ID |
2462 | rt2x00_get_field16(eeprom, |
2463 | EEPROM_LED_POLARITY_GPIO_0)); | |
a9450b70 | 2464 | rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_1, |
95ea3627 ID |
2465 | rt2x00_get_field16(eeprom, |
2466 | EEPROM_LED_POLARITY_GPIO_1)); | |
a9450b70 | 2467 | rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_2, |
95ea3627 ID |
2468 | rt2x00_get_field16(eeprom, |
2469 | EEPROM_LED_POLARITY_GPIO_2)); | |
a9450b70 | 2470 | rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_3, |
95ea3627 ID |
2471 | rt2x00_get_field16(eeprom, |
2472 | EEPROM_LED_POLARITY_GPIO_3)); | |
a9450b70 | 2473 | rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_4, |
95ea3627 ID |
2474 | rt2x00_get_field16(eeprom, |
2475 | EEPROM_LED_POLARITY_GPIO_4)); | |
a9450b70 | 2476 | rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_ACT, |
95ea3627 | 2477 | rt2x00_get_field16(eeprom, EEPROM_LED_POLARITY_ACT)); |
a9450b70 | 2478 | rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_READY_BG, |
95ea3627 ID |
2479 | rt2x00_get_field16(eeprom, |
2480 | EEPROM_LED_POLARITY_RDY_G)); | |
a9450b70 | 2481 | rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_READY_A, |
95ea3627 ID |
2482 | rt2x00_get_field16(eeprom, |
2483 | EEPROM_LED_POLARITY_RDY_A)); | |
771fd565 | 2484 | #endif /* CONFIG_RT2X00_LIB_LEDS */ |
95ea3627 ID |
2485 | |
2486 | return 0; | |
2487 | } | |
2488 | ||
2489 | /* | |
2490 | * RF value list for RF5225 & RF5325 | |
2491 | * Supports: 2.4 GHz & 5.2 GHz, rf_sequence disabled | |
2492 | */ | |
2493 | static const struct rf_channel rf_vals_noseq[] = { | |
2494 | { 1, 0x00002ccc, 0x00004786, 0x00068455, 0x000ffa0b }, | |
2495 | { 2, 0x00002ccc, 0x00004786, 0x00068455, 0x000ffa1f }, | |
2496 | { 3, 0x00002ccc, 0x0000478a, 0x00068455, 0x000ffa0b }, | |
2497 | { 4, 0x00002ccc, 0x0000478a, 0x00068455, 0x000ffa1f }, | |
2498 | { 5, 0x00002ccc, 0x0000478e, 0x00068455, 0x000ffa0b }, | |
2499 | { 6, 0x00002ccc, 0x0000478e, 0x00068455, 0x000ffa1f }, | |
2500 | { 7, 0x00002ccc, 0x00004792, 0x00068455, 0x000ffa0b }, | |
2501 | { 8, 0x00002ccc, 0x00004792, 0x00068455, 0x000ffa1f }, | |
2502 | { 9, 0x00002ccc, 0x00004796, 0x00068455, 0x000ffa0b }, | |
2503 | { 10, 0x00002ccc, 0x00004796, 0x00068455, 0x000ffa1f }, | |
2504 | { 11, 0x00002ccc, 0x0000479a, 0x00068455, 0x000ffa0b }, | |
2505 | { 12, 0x00002ccc, 0x0000479a, 0x00068455, 0x000ffa1f }, | |
2506 | { 13, 0x00002ccc, 0x0000479e, 0x00068455, 0x000ffa0b }, | |
2507 | { 14, 0x00002ccc, 0x000047a2, 0x00068455, 0x000ffa13 }, | |
2508 | ||
2509 | /* 802.11 UNI / HyperLan 2 */ | |
2510 | { 36, 0x00002ccc, 0x0000499a, 0x0009be55, 0x000ffa23 }, | |
2511 | { 40, 0x00002ccc, 0x000049a2, 0x0009be55, 0x000ffa03 }, | |
2512 | { 44, 0x00002ccc, 0x000049a6, 0x0009be55, 0x000ffa0b }, | |
2513 | { 48, 0x00002ccc, 0x000049aa, 0x0009be55, 0x000ffa13 }, | |
2514 | { 52, 0x00002ccc, 0x000049ae, 0x0009ae55, 0x000ffa1b }, | |
2515 | { 56, 0x00002ccc, 0x000049b2, 0x0009ae55, 0x000ffa23 }, | |
2516 | { 60, 0x00002ccc, 0x000049ba, 0x0009ae55, 0x000ffa03 }, | |
2517 | { 64, 0x00002ccc, 0x000049be, 0x0009ae55, 0x000ffa0b }, | |
2518 | ||
2519 | /* 802.11 HyperLan 2 */ | |
2520 | { 100, 0x00002ccc, 0x00004a2a, 0x000bae55, 0x000ffa03 }, | |
2521 | { 104, 0x00002ccc, 0x00004a2e, 0x000bae55, 0x000ffa0b }, | |
2522 | { 108, 0x00002ccc, 0x00004a32, 0x000bae55, 0x000ffa13 }, | |
2523 | { 112, 0x00002ccc, 0x00004a36, 0x000bae55, 0x000ffa1b }, | |
2524 | { 116, 0x00002ccc, 0x00004a3a, 0x000bbe55, 0x000ffa23 }, | |
2525 | { 120, 0x00002ccc, 0x00004a82, 0x000bbe55, 0x000ffa03 }, | |
2526 | { 124, 0x00002ccc, 0x00004a86, 0x000bbe55, 0x000ffa0b }, | |
2527 | { 128, 0x00002ccc, 0x00004a8a, 0x000bbe55, 0x000ffa13 }, | |
2528 | { 132, 0x00002ccc, 0x00004a8e, 0x000bbe55, 0x000ffa1b }, | |
2529 | { 136, 0x00002ccc, 0x00004a92, 0x000bbe55, 0x000ffa23 }, | |
2530 | ||
2531 | /* 802.11 UNII */ | |
2532 | { 140, 0x00002ccc, 0x00004a9a, 0x000bbe55, 0x000ffa03 }, | |
2533 | { 149, 0x00002ccc, 0x00004aa2, 0x000bbe55, 0x000ffa1f }, | |
2534 | { 153, 0x00002ccc, 0x00004aa6, 0x000bbe55, 0x000ffa27 }, | |
2535 | { 157, 0x00002ccc, 0x00004aae, 0x000bbe55, 0x000ffa07 }, | |
2536 | { 161, 0x00002ccc, 0x00004ab2, 0x000bbe55, 0x000ffa0f }, | |
2537 | { 165, 0x00002ccc, 0x00004ab6, 0x000bbe55, 0x000ffa17 }, | |
2538 | ||
2539 | /* MMAC(Japan)J52 ch 34,38,42,46 */ | |
2540 | { 34, 0x00002ccc, 0x0000499a, 0x0009be55, 0x000ffa0b }, | |
2541 | { 38, 0x00002ccc, 0x0000499e, 0x0009be55, 0x000ffa13 }, | |
2542 | { 42, 0x00002ccc, 0x000049a2, 0x0009be55, 0x000ffa1b }, | |
2543 | { 46, 0x00002ccc, 0x000049a6, 0x0009be55, 0x000ffa23 }, | |
2544 | }; | |
2545 | ||
2546 | /* | |
2547 | * RF value list for RF5225 & RF5325 | |
2548 | * Supports: 2.4 GHz & 5.2 GHz, rf_sequence enabled | |
2549 | */ | |
2550 | static const struct rf_channel rf_vals_seq[] = { | |
2551 | { 1, 0x00002ccc, 0x00004786, 0x00068455, 0x000ffa0b }, | |
2552 | { 2, 0x00002ccc, 0x00004786, 0x00068455, 0x000ffa1f }, | |
2553 | { 3, 0x00002ccc, 0x0000478a, 0x00068455, 0x000ffa0b }, | |
2554 | { 4, 0x00002ccc, 0x0000478a, 0x00068455, 0x000ffa1f }, | |
2555 | { 5, 0x00002ccc, 0x0000478e, 0x00068455, 0x000ffa0b }, | |
2556 | { 6, 0x00002ccc, 0x0000478e, 0x00068455, 0x000ffa1f }, | |
2557 | { 7, 0x00002ccc, 0x00004792, 0x00068455, 0x000ffa0b }, | |
2558 | { 8, 0x00002ccc, 0x00004792, 0x00068455, 0x000ffa1f }, | |
2559 | { 9, 0x00002ccc, 0x00004796, 0x00068455, 0x000ffa0b }, | |
2560 | { 10, 0x00002ccc, 0x00004796, 0x00068455, 0x000ffa1f }, | |
2561 | { 11, 0x00002ccc, 0x0000479a, 0x00068455, 0x000ffa0b }, | |
2562 | { 12, 0x00002ccc, 0x0000479a, 0x00068455, 0x000ffa1f }, | |
2563 | { 13, 0x00002ccc, 0x0000479e, 0x00068455, 0x000ffa0b }, | |
2564 | { 14, 0x00002ccc, 0x000047a2, 0x00068455, 0x000ffa13 }, | |
2565 | ||
2566 | /* 802.11 UNI / HyperLan 2 */ | |
2567 | { 36, 0x00002cd4, 0x0004481a, 0x00098455, 0x000c0a03 }, | |
2568 | { 40, 0x00002cd0, 0x00044682, 0x00098455, 0x000c0a03 }, | |
2569 | { 44, 0x00002cd0, 0x00044686, 0x00098455, 0x000c0a1b }, | |
2570 | { 48, 0x00002cd0, 0x0004468e, 0x00098655, 0x000c0a0b }, | |
2571 | { 52, 0x00002cd0, 0x00044692, 0x00098855, 0x000c0a23 }, | |
2572 | { 56, 0x00002cd0, 0x0004469a, 0x00098c55, 0x000c0a13 }, | |
2573 | { 60, 0x00002cd0, 0x000446a2, 0x00098e55, 0x000c0a03 }, | |
2574 | { 64, 0x00002cd0, 0x000446a6, 0x00099255, 0x000c0a1b }, | |
2575 | ||
2576 | /* 802.11 HyperLan 2 */ | |
2577 | { 100, 0x00002cd4, 0x0004489a, 0x000b9855, 0x000c0a03 }, | |
2578 | { 104, 0x00002cd4, 0x000448a2, 0x000b9855, 0x000c0a03 }, | |
2579 | { 108, 0x00002cd4, 0x000448aa, 0x000b9855, 0x000c0a03 }, | |
2580 | { 112, 0x00002cd4, 0x000448b2, 0x000b9a55, 0x000c0a03 }, | |
2581 | { 116, 0x00002cd4, 0x000448ba, 0x000b9a55, 0x000c0a03 }, | |
2582 | { 120, 0x00002cd0, 0x00044702, 0x000b9a55, 0x000c0a03 }, | |
2583 | { 124, 0x00002cd0, 0x00044706, 0x000b9a55, 0x000c0a1b }, | |
2584 | { 128, 0x00002cd0, 0x0004470e, 0x000b9c55, 0x000c0a0b }, | |
2585 | { 132, 0x00002cd0, 0x00044712, 0x000b9c55, 0x000c0a23 }, | |
2586 | { 136, 0x00002cd0, 0x0004471a, 0x000b9e55, 0x000c0a13 }, | |
2587 | ||
2588 | /* 802.11 UNII */ | |
2589 | { 140, 0x00002cd0, 0x00044722, 0x000b9e55, 0x000c0a03 }, | |
2590 | { 149, 0x00002cd0, 0x0004472e, 0x000ba255, 0x000c0a1b }, | |
2591 | { 153, 0x00002cd0, 0x00044736, 0x000ba255, 0x000c0a0b }, | |
2592 | { 157, 0x00002cd4, 0x0004490a, 0x000ba255, 0x000c0a17 }, | |
2593 | { 161, 0x00002cd4, 0x00044912, 0x000ba255, 0x000c0a17 }, | |
2594 | { 165, 0x00002cd4, 0x0004491a, 0x000ba255, 0x000c0a17 }, | |
2595 | ||
2596 | /* MMAC(Japan)J52 ch 34,38,42,46 */ | |
2597 | { 34, 0x00002ccc, 0x0000499a, 0x0009be55, 0x000c0a0b }, | |
2598 | { 38, 0x00002ccc, 0x0000499e, 0x0009be55, 0x000c0a13 }, | |
2599 | { 42, 0x00002ccc, 0x000049a2, 0x0009be55, 0x000c0a1b }, | |
2600 | { 46, 0x00002ccc, 0x000049a6, 0x0009be55, 0x000c0a23 }, | |
2601 | }; | |
2602 | ||
8c5e7a5f | 2603 | static int rt61pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev) |
95ea3627 ID |
2604 | { |
2605 | struct hw_mode_spec *spec = &rt2x00dev->spec; | |
8c5e7a5f ID |
2606 | struct channel_info *info; |
2607 | char *tx_power; | |
95ea3627 ID |
2608 | unsigned int i; |
2609 | ||
93b6bd26 GW |
2610 | /* |
2611 | * Disable powersaving as default. | |
2612 | */ | |
2613 | rt2x00dev->hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; | |
2614 | ||
95ea3627 ID |
2615 | /* |
2616 | * Initialize all hw fields. | |
2617 | */ | |
2618 | rt2x00dev->hw->flags = | |
566bfe5a | 2619 | IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING | |
4be8c387 JB |
2620 | IEEE80211_HW_SIGNAL_DBM | |
2621 | IEEE80211_HW_SUPPORTS_PS | | |
2622 | IEEE80211_HW_PS_NULLFUNC_STACK; | |
95ea3627 | 2623 | |
14a3bf89 | 2624 | SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev); |
95ea3627 ID |
2625 | SET_IEEE80211_PERM_ADDR(rt2x00dev->hw, |
2626 | rt2x00_eeprom_addr(rt2x00dev, | |
2627 | EEPROM_MAC_ADDR_0)); | |
2628 | ||
95ea3627 | 2629 | /* |
e1b4d7b7 ID |
2630 | * As rt61 has a global fallback table we cannot specify |
2631 | * more then one tx rate per frame but since the hw will | |
2632 | * try several rates (based on the fallback table) we should | |
ba3b9e5e | 2633 | * initialize max_report_rates to the maximum number of rates |
e1b4d7b7 ID |
2634 | * we are going to try. Otherwise mac80211 will truncate our |
2635 | * reported tx rates and the rc algortihm will end up with | |
2636 | * incorrect data. | |
2637 | */ | |
ba3b9e5e HS |
2638 | rt2x00dev->hw->max_rates = 1; |
2639 | rt2x00dev->hw->max_report_rates = 7; | |
e1b4d7b7 ID |
2640 | rt2x00dev->hw->max_rate_tries = 1; |
2641 | ||
2642 | /* | |
95ea3627 ID |
2643 | * Initialize hw_mode information. |
2644 | */ | |
31562e80 ID |
2645 | spec->supported_bands = SUPPORT_BAND_2GHZ; |
2646 | spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM; | |
95ea3627 ID |
2647 | |
2648 | if (!test_bit(CONFIG_RF_SEQUENCE, &rt2x00dev->flags)) { | |
2649 | spec->num_channels = 14; | |
2650 | spec->channels = rf_vals_noseq; | |
2651 | } else { | |
2652 | spec->num_channels = 14; | |
2653 | spec->channels = rf_vals_seq; | |
2654 | } | |
2655 | ||
5122d898 | 2656 | if (rt2x00_rf(rt2x00dev, RF5225) || rt2x00_rf(rt2x00dev, RF5325)) { |
31562e80 | 2657 | spec->supported_bands |= SUPPORT_BAND_5GHZ; |
95ea3627 | 2658 | spec->num_channels = ARRAY_SIZE(rf_vals_seq); |
8c5e7a5f ID |
2659 | } |
2660 | ||
2661 | /* | |
2662 | * Create channel information array | |
2663 | */ | |
baeb2ffa | 2664 | info = kcalloc(spec->num_channels, sizeof(*info), GFP_KERNEL); |
8c5e7a5f ID |
2665 | if (!info) |
2666 | return -ENOMEM; | |
2667 | ||
2668 | spec->channels_info = info; | |
95ea3627 | 2669 | |
8c5e7a5f | 2670 | tx_power = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_G_START); |
8d1331b3 ID |
2671 | for (i = 0; i < 14; i++) { |
2672 | info[i].max_power = MAX_TXPOWER; | |
2673 | info[i].default_power1 = TXPOWER_FROM_DEV(tx_power[i]); | |
2674 | } | |
95ea3627 | 2675 | |
8c5e7a5f ID |
2676 | if (spec->num_channels > 14) { |
2677 | tx_power = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A_START); | |
8d1331b3 ID |
2678 | for (i = 14; i < spec->num_channels; i++) { |
2679 | info[i].max_power = MAX_TXPOWER; | |
2680 | info[i].default_power1 = TXPOWER_FROM_DEV(tx_power[i]); | |
2681 | } | |
95ea3627 | 2682 | } |
8c5e7a5f ID |
2683 | |
2684 | return 0; | |
95ea3627 ID |
2685 | } |
2686 | ||
2687 | static int rt61pci_probe_hw(struct rt2x00_dev *rt2x00dev) | |
2688 | { | |
2689 | int retval; | |
2690 | ||
117839bd PR |
2691 | /* |
2692 | * Disable power saving. | |
2693 | */ | |
2694 | rt2x00pci_register_write(rt2x00dev, SOFT_RESET_CSR, 0x00000007); | |
2695 | ||
95ea3627 ID |
2696 | /* |
2697 | * Allocate eeprom data. | |
2698 | */ | |
2699 | retval = rt61pci_validate_eeprom(rt2x00dev); | |
2700 | if (retval) | |
2701 | return retval; | |
2702 | ||
2703 | retval = rt61pci_init_eeprom(rt2x00dev); | |
2704 | if (retval) | |
2705 | return retval; | |
2706 | ||
2707 | /* | |
2708 | * Initialize hw specifications. | |
2709 | */ | |
8c5e7a5f ID |
2710 | retval = rt61pci_probe_hw_mode(rt2x00dev); |
2711 | if (retval) | |
2712 | return retval; | |
95ea3627 | 2713 | |
1afcfd54 IP |
2714 | /* |
2715 | * This device has multiple filters for control frames, | |
2716 | * but has no a separate filter for PS Poll frames. | |
2717 | */ | |
2718 | __set_bit(DRIVER_SUPPORT_CONTROL_FILTERS, &rt2x00dev->flags); | |
2719 | ||
95ea3627 | 2720 | /* |
c4da0048 | 2721 | * This device requires firmware and DMA mapped skbs. |
95ea3627 | 2722 | */ |
066cb637 | 2723 | __set_bit(DRIVER_REQUIRE_FIRMWARE, &rt2x00dev->flags); |
c4da0048 | 2724 | __set_bit(DRIVER_REQUIRE_DMA, &rt2x00dev->flags); |
008c4482 ID |
2725 | if (!modparam_nohwcrypt) |
2726 | __set_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags); | |
27df2a9c | 2727 | __set_bit(DRIVER_SUPPORT_LINK_TUNING, &rt2x00dev->flags); |
95ea3627 ID |
2728 | |
2729 | /* | |
2730 | * Set the rssi offset. | |
2731 | */ | |
2732 | rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET; | |
2733 | ||
2734 | return 0; | |
2735 | } | |
2736 | ||
2737 | /* | |
2738 | * IEEE80211 stack callback functions. | |
2739 | */ | |
2af0a570 ID |
2740 | static int rt61pci_conf_tx(struct ieee80211_hw *hw, u16 queue_idx, |
2741 | const struct ieee80211_tx_queue_params *params) | |
2742 | { | |
2743 | struct rt2x00_dev *rt2x00dev = hw->priv; | |
2744 | struct data_queue *queue; | |
2745 | struct rt2x00_field32 field; | |
2746 | int retval; | |
2747 | u32 reg; | |
5e790023 | 2748 | u32 offset; |
2af0a570 ID |
2749 | |
2750 | /* | |
2751 | * First pass the configuration through rt2x00lib, that will | |
2752 | * update the queue settings and validate the input. After that | |
2753 | * we are free to update the registers based on the value | |
2754 | * in the queue parameter. | |
2755 | */ | |
2756 | retval = rt2x00mac_conf_tx(hw, queue_idx, params); | |
2757 | if (retval) | |
2758 | return retval; | |
2759 | ||
5e790023 ID |
2760 | /* |
2761 | * We only need to perform additional register initialization | |
b34e620f | 2762 | * for WMM queues. |
5e790023 ID |
2763 | */ |
2764 | if (queue_idx >= 4) | |
2765 | return 0; | |
2766 | ||
2af0a570 ID |
2767 | queue = rt2x00queue_get_queue(rt2x00dev, queue_idx); |
2768 | ||
2769 | /* Update WMM TXOP register */ | |
5e790023 ID |
2770 | offset = AC_TXOP_CSR0 + (sizeof(u32) * (!!(queue_idx & 2))); |
2771 | field.bit_offset = (queue_idx & 1) * 16; | |
2772 | field.bit_mask = 0xffff << field.bit_offset; | |
2773 | ||
2774 | rt2x00pci_register_read(rt2x00dev, offset, ®); | |
2775 | rt2x00_set_field32(®, field, queue->txop); | |
2776 | rt2x00pci_register_write(rt2x00dev, offset, reg); | |
2af0a570 ID |
2777 | |
2778 | /* Update WMM registers */ | |
2779 | field.bit_offset = queue_idx * 4; | |
2780 | field.bit_mask = 0xf << field.bit_offset; | |
2781 | ||
2782 | rt2x00pci_register_read(rt2x00dev, AIFSN_CSR, ®); | |
2783 | rt2x00_set_field32(®, field, queue->aifs); | |
2784 | rt2x00pci_register_write(rt2x00dev, AIFSN_CSR, reg); | |
2785 | ||
2786 | rt2x00pci_register_read(rt2x00dev, CWMIN_CSR, ®); | |
2787 | rt2x00_set_field32(®, field, queue->cw_min); | |
2788 | rt2x00pci_register_write(rt2x00dev, CWMIN_CSR, reg); | |
2789 | ||
2790 | rt2x00pci_register_read(rt2x00dev, CWMAX_CSR, ®); | |
2791 | rt2x00_set_field32(®, field, queue->cw_max); | |
2792 | rt2x00pci_register_write(rt2x00dev, CWMAX_CSR, reg); | |
2793 | ||
2794 | return 0; | |
2795 | } | |
2796 | ||
95ea3627 ID |
2797 | static u64 rt61pci_get_tsf(struct ieee80211_hw *hw) |
2798 | { | |
2799 | struct rt2x00_dev *rt2x00dev = hw->priv; | |
2800 | u64 tsf; | |
2801 | u32 reg; | |
2802 | ||
2803 | rt2x00pci_register_read(rt2x00dev, TXRX_CSR13, ®); | |
2804 | tsf = (u64) rt2x00_get_field32(reg, TXRX_CSR13_HIGH_TSFTIMER) << 32; | |
2805 | rt2x00pci_register_read(rt2x00dev, TXRX_CSR12, ®); | |
2806 | tsf |= rt2x00_get_field32(reg, TXRX_CSR12_LOW_TSFTIMER); | |
2807 | ||
2808 | return tsf; | |
2809 | } | |
2810 | ||
95ea3627 ID |
2811 | static const struct ieee80211_ops rt61pci_mac80211_ops = { |
2812 | .tx = rt2x00mac_tx, | |
4150c572 JB |
2813 | .start = rt2x00mac_start, |
2814 | .stop = rt2x00mac_stop, | |
95ea3627 ID |
2815 | .add_interface = rt2x00mac_add_interface, |
2816 | .remove_interface = rt2x00mac_remove_interface, | |
2817 | .config = rt2x00mac_config, | |
3a643d24 | 2818 | .configure_filter = rt2x00mac_configure_filter, |
61e754f4 | 2819 | .set_key = rt2x00mac_set_key, |
d8147f9d ID |
2820 | .sw_scan_start = rt2x00mac_sw_scan_start, |
2821 | .sw_scan_complete = rt2x00mac_sw_scan_complete, | |
95ea3627 | 2822 | .get_stats = rt2x00mac_get_stats, |
471b3efd | 2823 | .bss_info_changed = rt2x00mac_bss_info_changed, |
2af0a570 | 2824 | .conf_tx = rt61pci_conf_tx, |
95ea3627 | 2825 | .get_tsf = rt61pci_get_tsf, |
e47a5cdd | 2826 | .rfkill_poll = rt2x00mac_rfkill_poll, |
95ea3627 ID |
2827 | }; |
2828 | ||
2829 | static const struct rt2x00lib_ops rt61pci_rt2x00_ops = { | |
2830 | .irq_handler = rt61pci_interrupt, | |
78e256c9 | 2831 | .irq_handler_thread = rt61pci_interrupt_thread, |
95ea3627 ID |
2832 | .probe_hw = rt61pci_probe_hw, |
2833 | .get_firmware_name = rt61pci_get_firmware_name, | |
0cbe0064 | 2834 | .check_firmware = rt61pci_check_firmware, |
95ea3627 ID |
2835 | .load_firmware = rt61pci_load_firmware, |
2836 | .initialize = rt2x00pci_initialize, | |
2837 | .uninitialize = rt2x00pci_uninitialize, | |
798b7adb ID |
2838 | .get_entry_state = rt61pci_get_entry_state, |
2839 | .clear_entry = rt61pci_clear_entry, | |
95ea3627 | 2840 | .set_device_state = rt61pci_set_device_state, |
95ea3627 | 2841 | .rfkill_poll = rt61pci_rfkill_poll, |
95ea3627 ID |
2842 | .link_stats = rt61pci_link_stats, |
2843 | .reset_tuner = rt61pci_reset_tuner, | |
2844 | .link_tuner = rt61pci_link_tuner, | |
2845 | .write_tx_desc = rt61pci_write_tx_desc, | |
bd88a781 | 2846 | .write_beacon = rt61pci_write_beacon, |
95ea3627 | 2847 | .kick_tx_queue = rt61pci_kick_tx_queue, |
a2c9b652 | 2848 | .kill_tx_queue = rt61pci_kill_tx_queue, |
95ea3627 | 2849 | .fill_rxdone = rt61pci_fill_rxdone, |
61e754f4 ID |
2850 | .config_shared_key = rt61pci_config_shared_key, |
2851 | .config_pairwise_key = rt61pci_config_pairwise_key, | |
3a643d24 | 2852 | .config_filter = rt61pci_config_filter, |
6bb40dd1 | 2853 | .config_intf = rt61pci_config_intf, |
72810379 | 2854 | .config_erp = rt61pci_config_erp, |
e4ea1c40 | 2855 | .config_ant = rt61pci_config_ant, |
95ea3627 ID |
2856 | .config = rt61pci_config, |
2857 | }; | |
2858 | ||
181d6902 | 2859 | static const struct data_queue_desc rt61pci_queue_rx = { |
efd2f271 | 2860 | .entry_num = 32, |
181d6902 ID |
2861 | .data_size = DATA_FRAME_SIZE, |
2862 | .desc_size = RXD_DESC_SIZE, | |
b8be63ff | 2863 | .priv_size = sizeof(struct queue_entry_priv_pci), |
181d6902 ID |
2864 | }; |
2865 | ||
2866 | static const struct data_queue_desc rt61pci_queue_tx = { | |
efd2f271 | 2867 | .entry_num = 32, |
181d6902 ID |
2868 | .data_size = DATA_FRAME_SIZE, |
2869 | .desc_size = TXD_DESC_SIZE, | |
b8be63ff | 2870 | .priv_size = sizeof(struct queue_entry_priv_pci), |
181d6902 ID |
2871 | }; |
2872 | ||
2873 | static const struct data_queue_desc rt61pci_queue_bcn = { | |
efd2f271 | 2874 | .entry_num = 4, |
78720897 | 2875 | .data_size = 0, /* No DMA required for beacons */ |
181d6902 | 2876 | .desc_size = TXINFO_SIZE, |
b8be63ff | 2877 | .priv_size = sizeof(struct queue_entry_priv_pci), |
181d6902 ID |
2878 | }; |
2879 | ||
95ea3627 | 2880 | static const struct rt2x00_ops rt61pci_ops = { |
04d0362e GW |
2881 | .name = KBUILD_MODNAME, |
2882 | .max_sta_intf = 1, | |
2883 | .max_ap_intf = 4, | |
2884 | .eeprom_size = EEPROM_SIZE, | |
2885 | .rf_size = RF_SIZE, | |
2886 | .tx_queues = NUM_TX_QUEUES, | |
e6218cc4 | 2887 | .extra_tx_headroom = 0, |
04d0362e GW |
2888 | .rx = &rt61pci_queue_rx, |
2889 | .tx = &rt61pci_queue_tx, | |
2890 | .bcn = &rt61pci_queue_bcn, | |
2891 | .lib = &rt61pci_rt2x00_ops, | |
2892 | .hw = &rt61pci_mac80211_ops, | |
95ea3627 | 2893 | #ifdef CONFIG_RT2X00_LIB_DEBUGFS |
04d0362e | 2894 | .debugfs = &rt61pci_rt2x00debug, |
95ea3627 ID |
2895 | #endif /* CONFIG_RT2X00_LIB_DEBUGFS */ |
2896 | }; | |
2897 | ||
2898 | /* | |
2899 | * RT61pci module information. | |
2900 | */ | |
a3aa1884 | 2901 | static DEFINE_PCI_DEVICE_TABLE(rt61pci_device_table) = { |
95ea3627 ID |
2902 | /* RT2561s */ |
2903 | { PCI_DEVICE(0x1814, 0x0301), PCI_DEVICE_DATA(&rt61pci_ops) }, | |
2904 | /* RT2561 v2 */ | |
2905 | { PCI_DEVICE(0x1814, 0x0302), PCI_DEVICE_DATA(&rt61pci_ops) }, | |
2906 | /* RT2661 */ | |
2907 | { PCI_DEVICE(0x1814, 0x0401), PCI_DEVICE_DATA(&rt61pci_ops) }, | |
2908 | { 0, } | |
2909 | }; | |
2910 | ||
2911 | MODULE_AUTHOR(DRV_PROJECT); | |
2912 | MODULE_VERSION(DRV_VERSION); | |
2913 | MODULE_DESCRIPTION("Ralink RT61 PCI & PCMCIA Wireless LAN driver."); | |
2914 | MODULE_SUPPORTED_DEVICE("Ralink RT2561, RT2561s & RT2661 " | |
2915 | "PCI & PCMCIA chipset based cards"); | |
2916 | MODULE_DEVICE_TABLE(pci, rt61pci_device_table); | |
2917 | MODULE_FIRMWARE(FIRMWARE_RT2561); | |
2918 | MODULE_FIRMWARE(FIRMWARE_RT2561s); | |
2919 | MODULE_FIRMWARE(FIRMWARE_RT2661); | |
2920 | MODULE_LICENSE("GPL"); | |
2921 | ||
2922 | static struct pci_driver rt61pci_driver = { | |
2360157c | 2923 | .name = KBUILD_MODNAME, |
95ea3627 ID |
2924 | .id_table = rt61pci_device_table, |
2925 | .probe = rt2x00pci_probe, | |
2926 | .remove = __devexit_p(rt2x00pci_remove), | |
2927 | .suspend = rt2x00pci_suspend, | |
2928 | .resume = rt2x00pci_resume, | |
2929 | }; | |
2930 | ||
2931 | static int __init rt61pci_init(void) | |
2932 | { | |
2933 | return pci_register_driver(&rt61pci_driver); | |
2934 | } | |
2935 | ||
2936 | static void __exit rt61pci_exit(void) | |
2937 | { | |
2938 | pci_unregister_driver(&rt61pci_driver); | |
2939 | } | |
2940 | ||
2941 | module_init(rt61pci_init); | |
2942 | module_exit(rt61pci_exit); |