]>
Commit | Line | Data |
---|---|---|
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: rt2400pci | |
23 | Abstract: rt2400pci device specific routines. | |
24 | Supported chipsets: RT2460. | |
25 | */ | |
26 | ||
95ea3627 ID |
27 | #include <linux/delay.h> |
28 | #include <linux/etherdevice.h> | |
29 | #include <linux/init.h> | |
30 | #include <linux/kernel.h> | |
31 | #include <linux/module.h> | |
32 | #include <linux/pci.h> | |
33 | #include <linux/eeprom_93cx6.h> | |
5a0e3ad6 | 34 | #include <linux/slab.h> |
95ea3627 ID |
35 | |
36 | #include "rt2x00.h" | |
37 | #include "rt2x00pci.h" | |
38 | #include "rt2400pci.h" | |
39 | ||
40 | /* | |
41 | * Register access. | |
42 | * All access to the CSR registers will go through the methods | |
43 | * rt2x00pci_register_read and rt2x00pci_register_write. | |
44 | * BBP and RF register require indirect register access, | |
45 | * and use the CSR registers BBPCSR and RFCSR to achieve this. | |
46 | * These indirect registers work with busy bits, | |
47 | * and we will try maximal REGISTER_BUSY_COUNT times to access | |
48 | * the register while taking a REGISTER_BUSY_DELAY us delay | |
49 | * between each attampt. When the busy bit is still set at that time, | |
50 | * the access attempt is considered to have failed, | |
51 | * and we will print an error. | |
52 | */ | |
c9c3b1a5 ID |
53 | #define WAIT_FOR_BBP(__dev, __reg) \ |
54 | rt2x00pci_regbusy_read((__dev), BBPCSR, BBPCSR_BUSY, (__reg)) | |
55 | #define WAIT_FOR_RF(__dev, __reg) \ | |
56 | rt2x00pci_regbusy_read((__dev), RFCSR, RFCSR_BUSY, (__reg)) | |
95ea3627 | 57 | |
0e14f6d3 | 58 | static void rt2400pci_bbp_write(struct rt2x00_dev *rt2x00dev, |
95ea3627 ID |
59 | const unsigned int word, const u8 value) |
60 | { | |
61 | u32 reg; | |
62 | ||
8ff48a8b ID |
63 | mutex_lock(&rt2x00dev->csr_mutex); |
64 | ||
95ea3627 | 65 | /* |
c9c3b1a5 ID |
66 | * Wait until the BBP becomes available, afterwards we |
67 | * can safely write the new data into the register. | |
95ea3627 | 68 | */ |
c9c3b1a5 ID |
69 | if (WAIT_FOR_BBP(rt2x00dev, ®)) { |
70 | reg = 0; | |
71 | rt2x00_set_field32(®, BBPCSR_VALUE, value); | |
72 | rt2x00_set_field32(®, BBPCSR_REGNUM, word); | |
73 | rt2x00_set_field32(®, BBPCSR_BUSY, 1); | |
74 | rt2x00_set_field32(®, BBPCSR_WRITE_CONTROL, 1); | |
75 | ||
76 | rt2x00pci_register_write(rt2x00dev, BBPCSR, reg); | |
77 | } | |
8ff48a8b | 78 | |
8ff48a8b | 79 | mutex_unlock(&rt2x00dev->csr_mutex); |
95ea3627 ID |
80 | } |
81 | ||
0e14f6d3 | 82 | static void rt2400pci_bbp_read(struct rt2x00_dev *rt2x00dev, |
95ea3627 ID |
83 | const unsigned int word, u8 *value) |
84 | { | |
85 | u32 reg; | |
86 | ||
8ff48a8b ID |
87 | mutex_lock(&rt2x00dev->csr_mutex); |
88 | ||
95ea3627 | 89 | /* |
c9c3b1a5 ID |
90 | * Wait until the BBP becomes available, afterwards we |
91 | * can safely write the read request into the register. | |
92 | * After the data has been written, we wait until hardware | |
93 | * returns the correct value, if at any time the register | |
94 | * doesn't become available in time, reg will be 0xffffffff | |
95 | * which means we return 0xff to the caller. | |
95ea3627 | 96 | */ |
c9c3b1a5 ID |
97 | if (WAIT_FOR_BBP(rt2x00dev, ®)) { |
98 | reg = 0; | |
99 | rt2x00_set_field32(®, BBPCSR_REGNUM, word); | |
100 | rt2x00_set_field32(®, BBPCSR_BUSY, 1); | |
101 | rt2x00_set_field32(®, BBPCSR_WRITE_CONTROL, 0); | |
95ea3627 | 102 | |
c9c3b1a5 | 103 | rt2x00pci_register_write(rt2x00dev, BBPCSR, reg); |
95ea3627 | 104 | |
c9c3b1a5 ID |
105 | WAIT_FOR_BBP(rt2x00dev, ®); |
106 | } | |
95ea3627 ID |
107 | |
108 | *value = rt2x00_get_field32(reg, BBPCSR_VALUE); | |
8ff48a8b ID |
109 | |
110 | mutex_unlock(&rt2x00dev->csr_mutex); | |
95ea3627 ID |
111 | } |
112 | ||
0e14f6d3 | 113 | static void rt2400pci_rf_write(struct rt2x00_dev *rt2x00dev, |
95ea3627 ID |
114 | const unsigned int word, const u32 value) |
115 | { | |
116 | u32 reg; | |
95ea3627 | 117 | |
8ff48a8b ID |
118 | mutex_lock(&rt2x00dev->csr_mutex); |
119 | ||
c9c3b1a5 ID |
120 | /* |
121 | * Wait until the RF becomes available, afterwards we | |
122 | * can safely write the new data into the register. | |
123 | */ | |
124 | if (WAIT_FOR_RF(rt2x00dev, ®)) { | |
125 | reg = 0; | |
126 | rt2x00_set_field32(®, RFCSR_VALUE, value); | |
127 | rt2x00_set_field32(®, RFCSR_NUMBER_OF_BITS, 20); | |
128 | rt2x00_set_field32(®, RFCSR_IF_SELECT, 0); | |
129 | rt2x00_set_field32(®, RFCSR_BUSY, 1); | |
130 | ||
131 | rt2x00pci_register_write(rt2x00dev, RFCSR, reg); | |
132 | rt2x00_rf_write(rt2x00dev, word, value); | |
95ea3627 ID |
133 | } |
134 | ||
8ff48a8b | 135 | mutex_unlock(&rt2x00dev->csr_mutex); |
95ea3627 ID |
136 | } |
137 | ||
138 | static void rt2400pci_eepromregister_read(struct eeprom_93cx6 *eeprom) | |
139 | { | |
140 | struct rt2x00_dev *rt2x00dev = eeprom->data; | |
141 | u32 reg; | |
142 | ||
143 | rt2x00pci_register_read(rt2x00dev, CSR21, ®); | |
144 | ||
145 | eeprom->reg_data_in = !!rt2x00_get_field32(reg, CSR21_EEPROM_DATA_IN); | |
146 | eeprom->reg_data_out = !!rt2x00_get_field32(reg, CSR21_EEPROM_DATA_OUT); | |
147 | eeprom->reg_data_clock = | |
148 | !!rt2x00_get_field32(reg, CSR21_EEPROM_DATA_CLOCK); | |
149 | eeprom->reg_chip_select = | |
150 | !!rt2x00_get_field32(reg, CSR21_EEPROM_CHIP_SELECT); | |
151 | } | |
152 | ||
153 | static void rt2400pci_eepromregister_write(struct eeprom_93cx6 *eeprom) | |
154 | { | |
155 | struct rt2x00_dev *rt2x00dev = eeprom->data; | |
156 | u32 reg = 0; | |
157 | ||
158 | rt2x00_set_field32(®, CSR21_EEPROM_DATA_IN, !!eeprom->reg_data_in); | |
159 | rt2x00_set_field32(®, CSR21_EEPROM_DATA_OUT, !!eeprom->reg_data_out); | |
160 | rt2x00_set_field32(®, CSR21_EEPROM_DATA_CLOCK, | |
161 | !!eeprom->reg_data_clock); | |
162 | rt2x00_set_field32(®, CSR21_EEPROM_CHIP_SELECT, | |
163 | !!eeprom->reg_chip_select); | |
164 | ||
165 | rt2x00pci_register_write(rt2x00dev, CSR21, reg); | |
166 | } | |
167 | ||
168 | #ifdef CONFIG_RT2X00_LIB_DEBUGFS | |
95ea3627 ID |
169 | static const struct rt2x00debug rt2400pci_rt2x00debug = { |
170 | .owner = THIS_MODULE, | |
171 | .csr = { | |
743b97ca ID |
172 | .read = rt2x00pci_register_read, |
173 | .write = rt2x00pci_register_write, | |
174 | .flags = RT2X00DEBUGFS_OFFSET, | |
175 | .word_base = CSR_REG_BASE, | |
95ea3627 ID |
176 | .word_size = sizeof(u32), |
177 | .word_count = CSR_REG_SIZE / sizeof(u32), | |
178 | }, | |
179 | .eeprom = { | |
180 | .read = rt2x00_eeprom_read, | |
181 | .write = rt2x00_eeprom_write, | |
743b97ca | 182 | .word_base = EEPROM_BASE, |
95ea3627 ID |
183 | .word_size = sizeof(u16), |
184 | .word_count = EEPROM_SIZE / sizeof(u16), | |
185 | }, | |
186 | .bbp = { | |
187 | .read = rt2400pci_bbp_read, | |
188 | .write = rt2400pci_bbp_write, | |
743b97ca | 189 | .word_base = BBP_BASE, |
95ea3627 ID |
190 | .word_size = sizeof(u8), |
191 | .word_count = BBP_SIZE / sizeof(u8), | |
192 | }, | |
193 | .rf = { | |
194 | .read = rt2x00_rf_read, | |
195 | .write = rt2400pci_rf_write, | |
743b97ca | 196 | .word_base = RF_BASE, |
95ea3627 ID |
197 | .word_size = sizeof(u32), |
198 | .word_count = RF_SIZE / sizeof(u32), | |
199 | }, | |
200 | }; | |
201 | #endif /* CONFIG_RT2X00_LIB_DEBUGFS */ | |
202 | ||
95ea3627 ID |
203 | static int rt2400pci_rfkill_poll(struct rt2x00_dev *rt2x00dev) |
204 | { | |
205 | u32 reg; | |
206 | ||
207 | rt2x00pci_register_read(rt2x00dev, GPIOCSR, ®); | |
208 | return rt2x00_get_field32(reg, GPIOCSR_BIT0); | |
209 | } | |
95ea3627 | 210 | |
771fd565 | 211 | #ifdef CONFIG_RT2X00_LIB_LEDS |
a2e1d52a | 212 | static void rt2400pci_brightness_set(struct led_classdev *led_cdev, |
a9450b70 ID |
213 | enum led_brightness brightness) |
214 | { | |
215 | struct rt2x00_led *led = | |
216 | container_of(led_cdev, struct rt2x00_led, led_dev); | |
217 | unsigned int enabled = brightness != LED_OFF; | |
a9450b70 ID |
218 | u32 reg; |
219 | ||
220 | rt2x00pci_register_read(led->rt2x00dev, LEDCSR, ®); | |
221 | ||
a2e1d52a | 222 | if (led->type == LED_TYPE_RADIO || led->type == LED_TYPE_ASSOC) |
a9450b70 | 223 | rt2x00_set_field32(®, LEDCSR_LINK, enabled); |
a2e1d52a ID |
224 | else if (led->type == LED_TYPE_ACTIVITY) |
225 | rt2x00_set_field32(®, LEDCSR_ACTIVITY, enabled); | |
a9450b70 ID |
226 | |
227 | rt2x00pci_register_write(led->rt2x00dev, LEDCSR, reg); | |
228 | } | |
a2e1d52a ID |
229 | |
230 | static int rt2400pci_blink_set(struct led_classdev *led_cdev, | |
231 | unsigned long *delay_on, | |
232 | unsigned long *delay_off) | |
233 | { | |
234 | struct rt2x00_led *led = | |
235 | container_of(led_cdev, struct rt2x00_led, led_dev); | |
236 | u32 reg; | |
237 | ||
238 | rt2x00pci_register_read(led->rt2x00dev, LEDCSR, ®); | |
239 | rt2x00_set_field32(®, LEDCSR_ON_PERIOD, *delay_on); | |
240 | rt2x00_set_field32(®, LEDCSR_OFF_PERIOD, *delay_off); | |
241 | rt2x00pci_register_write(led->rt2x00dev, LEDCSR, reg); | |
242 | ||
243 | return 0; | |
244 | } | |
475433be ID |
245 | |
246 | static void rt2400pci_init_led(struct rt2x00_dev *rt2x00dev, | |
247 | struct rt2x00_led *led, | |
248 | enum led_type type) | |
249 | { | |
250 | led->rt2x00dev = rt2x00dev; | |
251 | led->type = type; | |
252 | led->led_dev.brightness_set = rt2400pci_brightness_set; | |
253 | led->led_dev.blink_set = rt2400pci_blink_set; | |
254 | led->flags = LED_INITIALIZED; | |
255 | } | |
771fd565 | 256 | #endif /* CONFIG_RT2X00_LIB_LEDS */ |
a9450b70 | 257 | |
95ea3627 ID |
258 | /* |
259 | * Configuration handlers. | |
260 | */ | |
3a643d24 ID |
261 | static void rt2400pci_config_filter(struct rt2x00_dev *rt2x00dev, |
262 | const unsigned int filter_flags) | |
263 | { | |
264 | u32 reg; | |
265 | ||
266 | /* | |
267 | * Start configuration steps. | |
268 | * Note that the version error will always be dropped | |
269 | * since there is no filter for it at this time. | |
270 | */ | |
271 | rt2x00pci_register_read(rt2x00dev, RXCSR0, ®); | |
272 | rt2x00_set_field32(®, RXCSR0_DROP_CRC, | |
273 | !(filter_flags & FIF_FCSFAIL)); | |
274 | rt2x00_set_field32(®, RXCSR0_DROP_PHYSICAL, | |
275 | !(filter_flags & FIF_PLCPFAIL)); | |
276 | rt2x00_set_field32(®, RXCSR0_DROP_CONTROL, | |
277 | !(filter_flags & FIF_CONTROL)); | |
278 | rt2x00_set_field32(®, RXCSR0_DROP_NOT_TO_ME, | |
279 | !(filter_flags & FIF_PROMISC_IN_BSS)); | |
280 | rt2x00_set_field32(®, RXCSR0_DROP_TODS, | |
e0b005fa ID |
281 | !(filter_flags & FIF_PROMISC_IN_BSS) && |
282 | !rt2x00dev->intf_ap_count); | |
3a643d24 ID |
283 | rt2x00_set_field32(®, RXCSR0_DROP_VERSION_ERROR, 1); |
284 | rt2x00pci_register_write(rt2x00dev, RXCSR0, reg); | |
285 | } | |
286 | ||
6bb40dd1 ID |
287 | static void rt2400pci_config_intf(struct rt2x00_dev *rt2x00dev, |
288 | struct rt2x00_intf *intf, | |
289 | struct rt2x00intf_conf *conf, | |
290 | const unsigned int flags) | |
95ea3627 | 291 | { |
6bb40dd1 ID |
292 | unsigned int bcn_preload; |
293 | u32 reg; | |
95ea3627 | 294 | |
6bb40dd1 | 295 | if (flags & CONFIG_UPDATE_TYPE) { |
6bb40dd1 ID |
296 | /* |
297 | * Enable beacon config | |
298 | */ | |
bad13639 | 299 | bcn_preload = PREAMBLE + GET_DURATION(IEEE80211_HEADER, 20); |
6bb40dd1 ID |
300 | rt2x00pci_register_read(rt2x00dev, BCNCSR1, ®); |
301 | rt2x00_set_field32(®, BCNCSR1_PRELOAD, bcn_preload); | |
302 | rt2x00pci_register_write(rt2x00dev, BCNCSR1, reg); | |
95ea3627 | 303 | |
6bb40dd1 ID |
304 | /* |
305 | * Enable synchronisation. | |
306 | */ | |
307 | rt2x00pci_register_read(rt2x00dev, CSR14, ®); | |
6bb40dd1 ID |
308 | rt2x00_set_field32(®, CSR14_TSF_SYNC, conf->sync); |
309 | rt2x00pci_register_write(rt2x00dev, CSR14, reg); | |
310 | } | |
95ea3627 | 311 | |
6bb40dd1 ID |
312 | if (flags & CONFIG_UPDATE_MAC) |
313 | rt2x00pci_register_multiwrite(rt2x00dev, CSR3, | |
314 | conf->mac, sizeof(conf->mac)); | |
95ea3627 | 315 | |
6bb40dd1 ID |
316 | if (flags & CONFIG_UPDATE_BSSID) |
317 | rt2x00pci_register_multiwrite(rt2x00dev, CSR5, | |
318 | conf->bssid, sizeof(conf->bssid)); | |
95ea3627 ID |
319 | } |
320 | ||
3a643d24 | 321 | static void rt2400pci_config_erp(struct rt2x00_dev *rt2x00dev, |
02044643 HS |
322 | struct rt2x00lib_erp *erp, |
323 | u32 changed) | |
95ea3627 | 324 | { |
5c58ee51 | 325 | int preamble_mask; |
95ea3627 | 326 | u32 reg; |
95ea3627 | 327 | |
5c58ee51 ID |
328 | /* |
329 | * When short preamble is enabled, we should set bit 0x08 | |
330 | */ | |
02044643 HS |
331 | if (changed & BSS_CHANGED_ERP_PREAMBLE) { |
332 | preamble_mask = erp->short_preamble << 3; | |
333 | ||
334 | rt2x00pci_register_read(rt2x00dev, TXCSR1, ®); | |
335 | rt2x00_set_field32(®, TXCSR1_ACK_TIMEOUT, 0x1ff); | |
336 | rt2x00_set_field32(®, TXCSR1_ACK_CONSUME_TIME, 0x13a); | |
337 | rt2x00_set_field32(®, TXCSR1_TSF_OFFSET, IEEE80211_HEADER); | |
338 | rt2x00_set_field32(®, TXCSR1_AUTORESPONDER, 1); | |
339 | rt2x00pci_register_write(rt2x00dev, TXCSR1, reg); | |
340 | ||
341 | rt2x00pci_register_read(rt2x00dev, ARCSR2, ®); | |
342 | rt2x00_set_field32(®, ARCSR2_SIGNAL, 0x00); | |
343 | rt2x00_set_field32(®, ARCSR2_SERVICE, 0x04); | |
344 | rt2x00_set_field32(®, ARCSR2_LENGTH, | |
345 | GET_DURATION(ACK_SIZE, 10)); | |
346 | rt2x00pci_register_write(rt2x00dev, ARCSR2, reg); | |
347 | ||
348 | rt2x00pci_register_read(rt2x00dev, ARCSR3, ®); | |
349 | rt2x00_set_field32(®, ARCSR3_SIGNAL, 0x01 | preamble_mask); | |
350 | rt2x00_set_field32(®, ARCSR3_SERVICE, 0x04); | |
351 | rt2x00_set_field32(®, ARCSR2_LENGTH, | |
352 | GET_DURATION(ACK_SIZE, 20)); | |
353 | rt2x00pci_register_write(rt2x00dev, ARCSR3, reg); | |
354 | ||
355 | rt2x00pci_register_read(rt2x00dev, ARCSR4, ®); | |
356 | rt2x00_set_field32(®, ARCSR4_SIGNAL, 0x02 | preamble_mask); | |
357 | rt2x00_set_field32(®, ARCSR4_SERVICE, 0x04); | |
358 | rt2x00_set_field32(®, ARCSR2_LENGTH, | |
359 | GET_DURATION(ACK_SIZE, 55)); | |
360 | rt2x00pci_register_write(rt2x00dev, ARCSR4, reg); | |
361 | ||
362 | rt2x00pci_register_read(rt2x00dev, ARCSR5, ®); | |
363 | rt2x00_set_field32(®, ARCSR5_SIGNAL, 0x03 | preamble_mask); | |
364 | rt2x00_set_field32(®, ARCSR5_SERVICE, 0x84); | |
365 | rt2x00_set_field32(®, ARCSR2_LENGTH, | |
366 | GET_DURATION(ACK_SIZE, 110)); | |
367 | rt2x00pci_register_write(rt2x00dev, ARCSR5, reg); | |
368 | } | |
369 | ||
370 | if (changed & BSS_CHANGED_BASIC_RATES) | |
371 | rt2x00pci_register_write(rt2x00dev, ARCSR1, erp->basic_rates); | |
372 | ||
373 | if (changed & BSS_CHANGED_ERP_SLOT) { | |
374 | rt2x00pci_register_read(rt2x00dev, CSR11, ®); | |
375 | rt2x00_set_field32(®, CSR11_SLOT_TIME, erp->slot_time); | |
376 | rt2x00pci_register_write(rt2x00dev, CSR11, reg); | |
377 | ||
378 | rt2x00pci_register_read(rt2x00dev, CSR18, ®); | |
379 | rt2x00_set_field32(®, CSR18_SIFS, erp->sifs); | |
380 | rt2x00_set_field32(®, CSR18_PIFS, erp->pifs); | |
381 | rt2x00pci_register_write(rt2x00dev, CSR18, reg); | |
382 | ||
383 | rt2x00pci_register_read(rt2x00dev, CSR19, ®); | |
384 | rt2x00_set_field32(®, CSR19_DIFS, erp->difs); | |
385 | rt2x00_set_field32(®, CSR19_EIFS, erp->eifs); | |
386 | rt2x00pci_register_write(rt2x00dev, CSR19, reg); | |
387 | } | |
388 | ||
389 | if (changed & BSS_CHANGED_BEACON_INT) { | |
390 | rt2x00pci_register_read(rt2x00dev, CSR12, ®); | |
391 | rt2x00_set_field32(®, CSR12_BEACON_INTERVAL, | |
392 | erp->beacon_int * 16); | |
393 | rt2x00_set_field32(®, CSR12_CFP_MAX_DURATION, | |
394 | erp->beacon_int * 16); | |
395 | rt2x00pci_register_write(rt2x00dev, CSR12, reg); | |
396 | } | |
95ea3627 ID |
397 | } |
398 | ||
e4ea1c40 ID |
399 | static void rt2400pci_config_ant(struct rt2x00_dev *rt2x00dev, |
400 | struct antenna_setup *ant) | |
95ea3627 | 401 | { |
e4ea1c40 ID |
402 | u8 r1; |
403 | u8 r4; | |
404 | ||
405 | /* | |
406 | * We should never come here because rt2x00lib is supposed | |
407 | * to catch this and send us the correct antenna explicitely. | |
408 | */ | |
409 | BUG_ON(ant->rx == ANTENNA_SW_DIVERSITY || | |
410 | ant->tx == ANTENNA_SW_DIVERSITY); | |
411 | ||
412 | rt2400pci_bbp_read(rt2x00dev, 4, &r4); | |
413 | rt2400pci_bbp_read(rt2x00dev, 1, &r1); | |
414 | ||
415 | /* | |
416 | * Configure the TX antenna. | |
417 | */ | |
418 | switch (ant->tx) { | |
419 | case ANTENNA_HW_DIVERSITY: | |
420 | rt2x00_set_field8(&r1, BBP_R1_TX_ANTENNA, 1); | |
421 | break; | |
422 | case ANTENNA_A: | |
423 | rt2x00_set_field8(&r1, BBP_R1_TX_ANTENNA, 0); | |
424 | break; | |
425 | case ANTENNA_B: | |
426 | default: | |
427 | rt2x00_set_field8(&r1, BBP_R1_TX_ANTENNA, 2); | |
428 | break; | |
429 | } | |
430 | ||
431 | /* | |
432 | * Configure the RX antenna. | |
433 | */ | |
434 | switch (ant->rx) { | |
435 | case ANTENNA_HW_DIVERSITY: | |
436 | rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 1); | |
437 | break; | |
438 | case ANTENNA_A: | |
439 | rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 0); | |
440 | break; | |
441 | case ANTENNA_B: | |
442 | default: | |
443 | rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 2); | |
444 | break; | |
445 | } | |
446 | ||
447 | rt2400pci_bbp_write(rt2x00dev, 4, r4); | |
448 | rt2400pci_bbp_write(rt2x00dev, 1, r1); | |
95ea3627 ID |
449 | } |
450 | ||
451 | static void rt2400pci_config_channel(struct rt2x00_dev *rt2x00dev, | |
5c58ee51 | 452 | struct rf_channel *rf) |
95ea3627 | 453 | { |
95ea3627 ID |
454 | /* |
455 | * Switch on tuning bits. | |
456 | */ | |
5c58ee51 ID |
457 | rt2x00_set_field32(&rf->rf1, RF1_TUNER, 1); |
458 | rt2x00_set_field32(&rf->rf3, RF3_TUNER, 1); | |
95ea3627 | 459 | |
5c58ee51 ID |
460 | rt2400pci_rf_write(rt2x00dev, 1, rf->rf1); |
461 | rt2400pci_rf_write(rt2x00dev, 2, rf->rf2); | |
462 | rt2400pci_rf_write(rt2x00dev, 3, rf->rf3); | |
95ea3627 ID |
463 | |
464 | /* | |
465 | * RF2420 chipset don't need any additional actions. | |
466 | */ | |
5122d898 | 467 | if (rt2x00_rf(rt2x00dev, RF2420)) |
95ea3627 ID |
468 | return; |
469 | ||
470 | /* | |
471 | * For the RT2421 chipsets we need to write an invalid | |
472 | * reference clock rate to activate auto_tune. | |
473 | * After that we set the value back to the correct channel. | |
474 | */ | |
5c58ee51 | 475 | rt2400pci_rf_write(rt2x00dev, 1, rf->rf1); |
95ea3627 | 476 | rt2400pci_rf_write(rt2x00dev, 2, 0x000c2a32); |
5c58ee51 | 477 | rt2400pci_rf_write(rt2x00dev, 3, rf->rf3); |
95ea3627 ID |
478 | |
479 | msleep(1); | |
480 | ||
5c58ee51 ID |
481 | rt2400pci_rf_write(rt2x00dev, 1, rf->rf1); |
482 | rt2400pci_rf_write(rt2x00dev, 2, rf->rf2); | |
483 | rt2400pci_rf_write(rt2x00dev, 3, rf->rf3); | |
95ea3627 ID |
484 | |
485 | msleep(1); | |
486 | ||
487 | /* | |
488 | * Switch off tuning bits. | |
489 | */ | |
5c58ee51 ID |
490 | rt2x00_set_field32(&rf->rf1, RF1_TUNER, 0); |
491 | rt2x00_set_field32(&rf->rf3, RF3_TUNER, 0); | |
95ea3627 | 492 | |
5c58ee51 ID |
493 | rt2400pci_rf_write(rt2x00dev, 1, rf->rf1); |
494 | rt2400pci_rf_write(rt2x00dev, 3, rf->rf3); | |
95ea3627 ID |
495 | |
496 | /* | |
497 | * Clear false CRC during channel switch. | |
498 | */ | |
5c58ee51 | 499 | rt2x00pci_register_read(rt2x00dev, CNT0, &rf->rf1); |
95ea3627 ID |
500 | } |
501 | ||
502 | static void rt2400pci_config_txpower(struct rt2x00_dev *rt2x00dev, int txpower) | |
503 | { | |
504 | rt2400pci_bbp_write(rt2x00dev, 3, TXPOWER_TO_DEV(txpower)); | |
505 | } | |
506 | ||
e4ea1c40 ID |
507 | static void rt2400pci_config_retry_limit(struct rt2x00_dev *rt2x00dev, |
508 | struct rt2x00lib_conf *libconf) | |
95ea3627 | 509 | { |
e4ea1c40 | 510 | u32 reg; |
95ea3627 | 511 | |
e4ea1c40 ID |
512 | rt2x00pci_register_read(rt2x00dev, CSR11, ®); |
513 | rt2x00_set_field32(®, CSR11_LONG_RETRY, | |
514 | libconf->conf->long_frame_max_tx_count); | |
515 | rt2x00_set_field32(®, CSR11_SHORT_RETRY, | |
516 | libconf->conf->short_frame_max_tx_count); | |
517 | rt2x00pci_register_write(rt2x00dev, CSR11, reg); | |
95ea3627 ID |
518 | } |
519 | ||
7d7f19cc ID |
520 | static void rt2400pci_config_ps(struct rt2x00_dev *rt2x00dev, |
521 | struct rt2x00lib_conf *libconf) | |
522 | { | |
523 | enum dev_state state = | |
524 | (libconf->conf->flags & IEEE80211_CONF_PS) ? | |
525 | STATE_SLEEP : STATE_AWAKE; | |
526 | u32 reg; | |
527 | ||
528 | if (state == STATE_SLEEP) { | |
529 | rt2x00pci_register_read(rt2x00dev, CSR20, ®); | |
530 | rt2x00_set_field32(®, CSR20_DELAY_AFTER_TBCN, | |
6b347bff | 531 | (rt2x00dev->beacon_int - 20) * 16); |
7d7f19cc ID |
532 | rt2x00_set_field32(®, CSR20_TBCN_BEFORE_WAKEUP, |
533 | libconf->conf->listen_interval - 1); | |
534 | ||
535 | /* We must first disable autowake before it can be enabled */ | |
536 | rt2x00_set_field32(®, CSR20_AUTOWAKE, 0); | |
537 | rt2x00pci_register_write(rt2x00dev, CSR20, reg); | |
538 | ||
539 | rt2x00_set_field32(®, CSR20_AUTOWAKE, 1); | |
540 | rt2x00pci_register_write(rt2x00dev, CSR20, reg); | |
5731858d GW |
541 | } else { |
542 | rt2x00pci_register_read(rt2x00dev, CSR20, ®); | |
543 | rt2x00_set_field32(®, CSR20_AUTOWAKE, 0); | |
544 | rt2x00pci_register_write(rt2x00dev, CSR20, reg); | |
7d7f19cc ID |
545 | } |
546 | ||
547 | rt2x00dev->ops->lib->set_device_state(rt2x00dev, state); | |
548 | } | |
549 | ||
95ea3627 | 550 | static void rt2400pci_config(struct rt2x00_dev *rt2x00dev, |
6bb40dd1 ID |
551 | struct rt2x00lib_conf *libconf, |
552 | const unsigned int flags) | |
95ea3627 | 553 | { |
e4ea1c40 | 554 | if (flags & IEEE80211_CONF_CHANGE_CHANNEL) |
5c58ee51 | 555 | rt2400pci_config_channel(rt2x00dev, &libconf->rf); |
e4ea1c40 | 556 | if (flags & IEEE80211_CONF_CHANGE_POWER) |
5c58ee51 ID |
557 | rt2400pci_config_txpower(rt2x00dev, |
558 | libconf->conf->power_level); | |
e4ea1c40 ID |
559 | if (flags & IEEE80211_CONF_CHANGE_RETRY_LIMITS) |
560 | rt2400pci_config_retry_limit(rt2x00dev, libconf); | |
7d7f19cc ID |
561 | if (flags & IEEE80211_CONF_CHANGE_PS) |
562 | rt2400pci_config_ps(rt2x00dev, libconf); | |
95ea3627 ID |
563 | } |
564 | ||
565 | static void rt2400pci_config_cw(struct rt2x00_dev *rt2x00dev, | |
181d6902 | 566 | const int cw_min, const int cw_max) |
95ea3627 ID |
567 | { |
568 | u32 reg; | |
569 | ||
570 | rt2x00pci_register_read(rt2x00dev, CSR11, ®); | |
181d6902 ID |
571 | rt2x00_set_field32(®, CSR11_CWMIN, cw_min); |
572 | rt2x00_set_field32(®, CSR11_CWMAX, cw_max); | |
95ea3627 ID |
573 | rt2x00pci_register_write(rt2x00dev, CSR11, reg); |
574 | } | |
575 | ||
95ea3627 ID |
576 | /* |
577 | * Link tuning | |
578 | */ | |
ebcf26da ID |
579 | static void rt2400pci_link_stats(struct rt2x00_dev *rt2x00dev, |
580 | struct link_qual *qual) | |
95ea3627 ID |
581 | { |
582 | u32 reg; | |
583 | u8 bbp; | |
584 | ||
585 | /* | |
586 | * Update FCS error count from register. | |
587 | */ | |
588 | rt2x00pci_register_read(rt2x00dev, CNT0, ®); | |
ebcf26da | 589 | qual->rx_failed = rt2x00_get_field32(reg, CNT0_FCS_ERROR); |
95ea3627 ID |
590 | |
591 | /* | |
592 | * Update False CCA count from register. | |
593 | */ | |
594 | rt2400pci_bbp_read(rt2x00dev, 39, &bbp); | |
ebcf26da | 595 | qual->false_cca = bbp; |
95ea3627 ID |
596 | } |
597 | ||
5352ff65 ID |
598 | static inline void rt2400pci_set_vgc(struct rt2x00_dev *rt2x00dev, |
599 | struct link_qual *qual, u8 vgc_level) | |
eb20b4e8 | 600 | { |
223dcc26 ID |
601 | if (qual->vgc_level_reg != vgc_level) { |
602 | rt2400pci_bbp_write(rt2x00dev, 13, vgc_level); | |
603 | qual->vgc_level = vgc_level; | |
604 | qual->vgc_level_reg = vgc_level; | |
605 | } | |
eb20b4e8 ID |
606 | } |
607 | ||
5352ff65 ID |
608 | static void rt2400pci_reset_tuner(struct rt2x00_dev *rt2x00dev, |
609 | struct link_qual *qual) | |
95ea3627 | 610 | { |
5352ff65 | 611 | rt2400pci_set_vgc(rt2x00dev, qual, 0x08); |
95ea3627 ID |
612 | } |
613 | ||
5352ff65 ID |
614 | static void rt2400pci_link_tuner(struct rt2x00_dev *rt2x00dev, |
615 | struct link_qual *qual, const u32 count) | |
95ea3627 | 616 | { |
95ea3627 ID |
617 | /* |
618 | * The link tuner should not run longer then 60 seconds, | |
619 | * and should run once every 2 seconds. | |
620 | */ | |
5352ff65 | 621 | if (count > 60 || !(count & 1)) |
95ea3627 ID |
622 | return; |
623 | ||
624 | /* | |
625 | * Base r13 link tuning on the false cca count. | |
626 | */ | |
5352ff65 ID |
627 | if ((qual->false_cca > 512) && (qual->vgc_level < 0x20)) |
628 | rt2400pci_set_vgc(rt2x00dev, qual, ++qual->vgc_level); | |
629 | else if ((qual->false_cca < 100) && (qual->vgc_level > 0x08)) | |
630 | rt2400pci_set_vgc(rt2x00dev, qual, --qual->vgc_level); | |
95ea3627 ID |
631 | } |
632 | ||
5450b7e2 ID |
633 | /* |
634 | * Queue handlers. | |
635 | */ | |
636 | static void rt2400pci_start_queue(struct data_queue *queue) | |
637 | { | |
638 | struct rt2x00_dev *rt2x00dev = queue->rt2x00dev; | |
639 | u32 reg; | |
640 | ||
641 | switch (queue->qid) { | |
642 | case QID_RX: | |
643 | rt2x00pci_register_read(rt2x00dev, RXCSR0, ®); | |
644 | rt2x00_set_field32(®, RXCSR0_DISABLE_RX, 0); | |
645 | rt2x00pci_register_write(rt2x00dev, RXCSR0, reg); | |
646 | break; | |
647 | case QID_BEACON: | |
bcf3cfd0 HS |
648 | /* |
649 | * Allow the tbtt tasklet to be scheduled. | |
650 | */ | |
651 | tasklet_enable(&rt2x00dev->tbtt_tasklet); | |
652 | ||
5450b7e2 ID |
653 | rt2x00pci_register_read(rt2x00dev, CSR14, ®); |
654 | rt2x00_set_field32(®, CSR14_TSF_COUNT, 1); | |
655 | rt2x00_set_field32(®, CSR14_TBCN, 1); | |
656 | rt2x00_set_field32(®, CSR14_BEACON_GEN, 1); | |
657 | rt2x00pci_register_write(rt2x00dev, CSR14, reg); | |
658 | break; | |
659 | default: | |
660 | break; | |
661 | } | |
662 | } | |
663 | ||
664 | static void rt2400pci_kick_queue(struct data_queue *queue) | |
665 | { | |
666 | struct rt2x00_dev *rt2x00dev = queue->rt2x00dev; | |
667 | u32 reg; | |
668 | ||
669 | switch (queue->qid) { | |
f615e9a3 | 670 | case QID_AC_VO: |
5450b7e2 ID |
671 | rt2x00pci_register_read(rt2x00dev, TXCSR0, ®); |
672 | rt2x00_set_field32(®, TXCSR0_KICK_PRIO, 1); | |
673 | rt2x00pci_register_write(rt2x00dev, TXCSR0, reg); | |
674 | break; | |
f615e9a3 | 675 | case QID_AC_VI: |
5450b7e2 ID |
676 | rt2x00pci_register_read(rt2x00dev, TXCSR0, ®); |
677 | rt2x00_set_field32(®, TXCSR0_KICK_TX, 1); | |
678 | rt2x00pci_register_write(rt2x00dev, TXCSR0, reg); | |
679 | break; | |
680 | case QID_ATIM: | |
681 | rt2x00pci_register_read(rt2x00dev, TXCSR0, ®); | |
682 | rt2x00_set_field32(®, TXCSR0_KICK_ATIM, 1); | |
683 | rt2x00pci_register_write(rt2x00dev, TXCSR0, reg); | |
684 | break; | |
685 | default: | |
686 | break; | |
687 | } | |
688 | } | |
689 | ||
690 | static void rt2400pci_stop_queue(struct data_queue *queue) | |
691 | { | |
692 | struct rt2x00_dev *rt2x00dev = queue->rt2x00dev; | |
693 | u32 reg; | |
694 | ||
695 | switch (queue->qid) { | |
f615e9a3 ID |
696 | case QID_AC_VO: |
697 | case QID_AC_VI: | |
5450b7e2 ID |
698 | case QID_ATIM: |
699 | rt2x00pci_register_read(rt2x00dev, TXCSR0, ®); | |
700 | rt2x00_set_field32(®, TXCSR0_ABORT, 1); | |
701 | rt2x00pci_register_write(rt2x00dev, TXCSR0, reg); | |
702 | break; | |
703 | case QID_RX: | |
704 | rt2x00pci_register_read(rt2x00dev, RXCSR0, ®); | |
705 | rt2x00_set_field32(®, RXCSR0_DISABLE_RX, 1); | |
706 | rt2x00pci_register_write(rt2x00dev, RXCSR0, reg); | |
707 | break; | |
708 | case QID_BEACON: | |
709 | rt2x00pci_register_read(rt2x00dev, CSR14, ®); | |
710 | rt2x00_set_field32(®, CSR14_TSF_COUNT, 0); | |
711 | rt2x00_set_field32(®, CSR14_TBCN, 0); | |
712 | rt2x00_set_field32(®, CSR14_BEACON_GEN, 0); | |
713 | rt2x00pci_register_write(rt2x00dev, CSR14, reg); | |
bcf3cfd0 HS |
714 | |
715 | /* | |
716 | * Wait for possibly running tbtt tasklets. | |
717 | */ | |
718 | tasklet_disable(&rt2x00dev->tbtt_tasklet); | |
5450b7e2 ID |
719 | break; |
720 | default: | |
721 | break; | |
722 | } | |
723 | } | |
724 | ||
95ea3627 ID |
725 | /* |
726 | * Initialization functions. | |
727 | */ | |
798b7adb | 728 | static bool rt2400pci_get_entry_state(struct queue_entry *entry) |
95ea3627 | 729 | { |
b8be63ff | 730 | struct queue_entry_priv_pci *entry_priv = entry->priv_data; |
95ea3627 ID |
731 | u32 word; |
732 | ||
798b7adb ID |
733 | if (entry->queue->qid == QID_RX) { |
734 | rt2x00_desc_read(entry_priv->desc, 0, &word); | |
95ea3627 | 735 | |
798b7adb ID |
736 | return rt2x00_get_field32(word, RXD_W0_OWNER_NIC); |
737 | } else { | |
738 | rt2x00_desc_read(entry_priv->desc, 0, &word); | |
95ea3627 | 739 | |
798b7adb ID |
740 | return (rt2x00_get_field32(word, TXD_W0_OWNER_NIC) || |
741 | rt2x00_get_field32(word, TXD_W0_VALID)); | |
742 | } | |
95ea3627 ID |
743 | } |
744 | ||
798b7adb | 745 | static void rt2400pci_clear_entry(struct queue_entry *entry) |
95ea3627 | 746 | { |
b8be63ff | 747 | struct queue_entry_priv_pci *entry_priv = entry->priv_data; |
798b7adb | 748 | struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); |
95ea3627 ID |
749 | u32 word; |
750 | ||
798b7adb ID |
751 | if (entry->queue->qid == QID_RX) { |
752 | rt2x00_desc_read(entry_priv->desc, 2, &word); | |
753 | rt2x00_set_field32(&word, RXD_W2_BUFFER_LENGTH, entry->skb->len); | |
754 | rt2x00_desc_write(entry_priv->desc, 2, word); | |
755 | ||
756 | rt2x00_desc_read(entry_priv->desc, 1, &word); | |
757 | rt2x00_set_field32(&word, RXD_W1_BUFFER_ADDRESS, skbdesc->skb_dma); | |
758 | rt2x00_desc_write(entry_priv->desc, 1, word); | |
759 | ||
760 | rt2x00_desc_read(entry_priv->desc, 0, &word); | |
761 | rt2x00_set_field32(&word, RXD_W0_OWNER_NIC, 1); | |
762 | rt2x00_desc_write(entry_priv->desc, 0, word); | |
763 | } else { | |
764 | rt2x00_desc_read(entry_priv->desc, 0, &word); | |
765 | rt2x00_set_field32(&word, TXD_W0_VALID, 0); | |
766 | rt2x00_set_field32(&word, TXD_W0_OWNER_NIC, 0); | |
767 | rt2x00_desc_write(entry_priv->desc, 0, word); | |
768 | } | |
95ea3627 ID |
769 | } |
770 | ||
181d6902 | 771 | static int rt2400pci_init_queues(struct rt2x00_dev *rt2x00dev) |
95ea3627 | 772 | { |
b8be63ff | 773 | struct queue_entry_priv_pci *entry_priv; |
95ea3627 ID |
774 | u32 reg; |
775 | ||
95ea3627 ID |
776 | /* |
777 | * Initialize registers. | |
778 | */ | |
779 | rt2x00pci_register_read(rt2x00dev, TXCSR2, ®); | |
181d6902 ID |
780 | rt2x00_set_field32(®, TXCSR2_TXD_SIZE, rt2x00dev->tx[0].desc_size); |
781 | rt2x00_set_field32(®, TXCSR2_NUM_TXD, rt2x00dev->tx[1].limit); | |
782 | rt2x00_set_field32(®, TXCSR2_NUM_ATIM, rt2x00dev->bcn[1].limit); | |
783 | rt2x00_set_field32(®, TXCSR2_NUM_PRIO, rt2x00dev->tx[0].limit); | |
95ea3627 ID |
784 | rt2x00pci_register_write(rt2x00dev, TXCSR2, reg); |
785 | ||
b8be63ff | 786 | entry_priv = rt2x00dev->tx[1].entries[0].priv_data; |
95ea3627 | 787 | rt2x00pci_register_read(rt2x00dev, TXCSR3, ®); |
30b3a23c | 788 | rt2x00_set_field32(®, TXCSR3_TX_RING_REGISTER, |
b8be63ff | 789 | entry_priv->desc_dma); |
95ea3627 ID |
790 | rt2x00pci_register_write(rt2x00dev, TXCSR3, reg); |
791 | ||
b8be63ff | 792 | entry_priv = rt2x00dev->tx[0].entries[0].priv_data; |
95ea3627 | 793 | rt2x00pci_register_read(rt2x00dev, TXCSR5, ®); |
30b3a23c | 794 | rt2x00_set_field32(®, TXCSR5_PRIO_RING_REGISTER, |
b8be63ff | 795 | entry_priv->desc_dma); |
95ea3627 ID |
796 | rt2x00pci_register_write(rt2x00dev, TXCSR5, reg); |
797 | ||
b8be63ff | 798 | entry_priv = rt2x00dev->bcn[1].entries[0].priv_data; |
95ea3627 | 799 | rt2x00pci_register_read(rt2x00dev, TXCSR4, ®); |
30b3a23c | 800 | rt2x00_set_field32(®, TXCSR4_ATIM_RING_REGISTER, |
b8be63ff | 801 | entry_priv->desc_dma); |
95ea3627 ID |
802 | rt2x00pci_register_write(rt2x00dev, TXCSR4, reg); |
803 | ||
b8be63ff | 804 | entry_priv = rt2x00dev->bcn[0].entries[0].priv_data; |
95ea3627 | 805 | rt2x00pci_register_read(rt2x00dev, TXCSR6, ®); |
30b3a23c | 806 | rt2x00_set_field32(®, TXCSR6_BEACON_RING_REGISTER, |
b8be63ff | 807 | entry_priv->desc_dma); |
95ea3627 ID |
808 | rt2x00pci_register_write(rt2x00dev, TXCSR6, reg); |
809 | ||
810 | rt2x00pci_register_read(rt2x00dev, RXCSR1, ®); | |
811 | rt2x00_set_field32(®, RXCSR1_RXD_SIZE, rt2x00dev->rx->desc_size); | |
181d6902 | 812 | rt2x00_set_field32(®, RXCSR1_NUM_RXD, rt2x00dev->rx->limit); |
95ea3627 ID |
813 | rt2x00pci_register_write(rt2x00dev, RXCSR1, reg); |
814 | ||
b8be63ff | 815 | entry_priv = rt2x00dev->rx->entries[0].priv_data; |
95ea3627 | 816 | rt2x00pci_register_read(rt2x00dev, RXCSR2, ®); |
b8be63ff ID |
817 | rt2x00_set_field32(®, RXCSR2_RX_RING_REGISTER, |
818 | entry_priv->desc_dma); | |
95ea3627 ID |
819 | rt2x00pci_register_write(rt2x00dev, RXCSR2, reg); |
820 | ||
821 | return 0; | |
822 | } | |
823 | ||
824 | static int rt2400pci_init_registers(struct rt2x00_dev *rt2x00dev) | |
825 | { | |
826 | u32 reg; | |
827 | ||
828 | rt2x00pci_register_write(rt2x00dev, PSCSR0, 0x00020002); | |
829 | rt2x00pci_register_write(rt2x00dev, PSCSR1, 0x00000002); | |
830 | rt2x00pci_register_write(rt2x00dev, PSCSR2, 0x00023f20); | |
831 | rt2x00pci_register_write(rt2x00dev, PSCSR3, 0x00000002); | |
832 | ||
833 | rt2x00pci_register_read(rt2x00dev, TIMECSR, ®); | |
834 | rt2x00_set_field32(®, TIMECSR_US_COUNT, 33); | |
835 | rt2x00_set_field32(®, TIMECSR_US_64_COUNT, 63); | |
836 | rt2x00_set_field32(®, TIMECSR_BEACON_EXPECT, 0); | |
837 | rt2x00pci_register_write(rt2x00dev, TIMECSR, reg); | |
838 | ||
839 | rt2x00pci_register_read(rt2x00dev, CSR9, ®); | |
840 | rt2x00_set_field32(®, CSR9_MAX_FRAME_UNIT, | |
841 | (rt2x00dev->rx->data_size / 128)); | |
842 | rt2x00pci_register_write(rt2x00dev, CSR9, reg); | |
843 | ||
1f909162 ID |
844 | rt2x00pci_register_read(rt2x00dev, CSR14, ®); |
845 | rt2x00_set_field32(®, CSR14_TSF_COUNT, 0); | |
846 | rt2x00_set_field32(®, CSR14_TSF_SYNC, 0); | |
847 | rt2x00_set_field32(®, CSR14_TBCN, 0); | |
848 | rt2x00_set_field32(®, CSR14_TCFP, 0); | |
849 | rt2x00_set_field32(®, CSR14_TATIMW, 0); | |
850 | rt2x00_set_field32(®, CSR14_BEACON_GEN, 0); | |
851 | rt2x00_set_field32(®, CSR14_CFP_COUNT_PRELOAD, 0); | |
852 | rt2x00_set_field32(®, CSR14_TBCM_PRELOAD, 0); | |
853 | rt2x00pci_register_write(rt2x00dev, CSR14, reg); | |
854 | ||
95ea3627 ID |
855 | rt2x00pci_register_write(rt2x00dev, CNT3, 0x3f080000); |
856 | ||
857 | rt2x00pci_register_read(rt2x00dev, ARCSR0, ®); | |
858 | rt2x00_set_field32(®, ARCSR0_AR_BBP_DATA0, 133); | |
859 | rt2x00_set_field32(®, ARCSR0_AR_BBP_ID0, 134); | |
860 | rt2x00_set_field32(®, ARCSR0_AR_BBP_DATA1, 136); | |
861 | rt2x00_set_field32(®, ARCSR0_AR_BBP_ID1, 135); | |
862 | rt2x00pci_register_write(rt2x00dev, ARCSR0, reg); | |
863 | ||
864 | rt2x00pci_register_read(rt2x00dev, RXCSR3, ®); | |
865 | rt2x00_set_field32(®, RXCSR3_BBP_ID0, 3); /* Tx power.*/ | |
866 | rt2x00_set_field32(®, RXCSR3_BBP_ID0_VALID, 1); | |
867 | rt2x00_set_field32(®, RXCSR3_BBP_ID1, 32); /* Signal */ | |
868 | rt2x00_set_field32(®, RXCSR3_BBP_ID1_VALID, 1); | |
869 | rt2x00_set_field32(®, RXCSR3_BBP_ID2, 36); /* Rssi */ | |
870 | rt2x00_set_field32(®, RXCSR3_BBP_ID2_VALID, 1); | |
871 | rt2x00pci_register_write(rt2x00dev, RXCSR3, reg); | |
872 | ||
873 | rt2x00pci_register_write(rt2x00dev, PWRCSR0, 0x3f3b3100); | |
874 | ||
875 | if (rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_AWAKE)) | |
876 | return -EBUSY; | |
877 | ||
878 | rt2x00pci_register_write(rt2x00dev, MACCSR0, 0x00217223); | |
879 | rt2x00pci_register_write(rt2x00dev, MACCSR1, 0x00235518); | |
880 | ||
881 | rt2x00pci_register_read(rt2x00dev, MACCSR2, ®); | |
882 | rt2x00_set_field32(®, MACCSR2_DELAY, 64); | |
883 | rt2x00pci_register_write(rt2x00dev, MACCSR2, reg); | |
884 | ||
885 | rt2x00pci_register_read(rt2x00dev, RALINKCSR, ®); | |
886 | rt2x00_set_field32(®, RALINKCSR_AR_BBP_DATA0, 17); | |
887 | rt2x00_set_field32(®, RALINKCSR_AR_BBP_ID0, 154); | |
888 | rt2x00_set_field32(®, RALINKCSR_AR_BBP_DATA1, 0); | |
889 | rt2x00_set_field32(®, RALINKCSR_AR_BBP_ID1, 154); | |
890 | rt2x00pci_register_write(rt2x00dev, RALINKCSR, reg); | |
891 | ||
892 | rt2x00pci_register_read(rt2x00dev, CSR1, ®); | |
893 | rt2x00_set_field32(®, CSR1_SOFT_RESET, 1); | |
894 | rt2x00_set_field32(®, CSR1_BBP_RESET, 0); | |
895 | rt2x00_set_field32(®, CSR1_HOST_READY, 0); | |
896 | rt2x00pci_register_write(rt2x00dev, CSR1, reg); | |
897 | ||
898 | rt2x00pci_register_read(rt2x00dev, CSR1, ®); | |
899 | rt2x00_set_field32(®, CSR1_SOFT_RESET, 0); | |
900 | rt2x00_set_field32(®, CSR1_HOST_READY, 1); | |
901 | rt2x00pci_register_write(rt2x00dev, CSR1, reg); | |
902 | ||
903 | /* | |
904 | * We must clear the FCS and FIFO error count. | |
905 | * These registers are cleared on read, | |
906 | * so we may pass a useless variable to store the value. | |
907 | */ | |
908 | rt2x00pci_register_read(rt2x00dev, CNT0, ®); | |
909 | rt2x00pci_register_read(rt2x00dev, CNT4, ®); | |
910 | ||
911 | return 0; | |
912 | } | |
913 | ||
2b08da3f | 914 | static int rt2400pci_wait_bbp_ready(struct rt2x00_dev *rt2x00dev) |
95ea3627 ID |
915 | { |
916 | unsigned int i; | |
95ea3627 ID |
917 | u8 value; |
918 | ||
919 | for (i = 0; i < REGISTER_BUSY_COUNT; i++) { | |
920 | rt2400pci_bbp_read(rt2x00dev, 0, &value); | |
921 | if ((value != 0xff) && (value != 0x00)) | |
2b08da3f | 922 | return 0; |
95ea3627 ID |
923 | udelay(REGISTER_BUSY_DELAY); |
924 | } | |
925 | ||
926 | ERROR(rt2x00dev, "BBP register access failed, aborting.\n"); | |
927 | return -EACCES; | |
2b08da3f ID |
928 | } |
929 | ||
930 | static int rt2400pci_init_bbp(struct rt2x00_dev *rt2x00dev) | |
931 | { | |
932 | unsigned int i; | |
933 | u16 eeprom; | |
934 | u8 reg_id; | |
935 | u8 value; | |
936 | ||
937 | if (unlikely(rt2400pci_wait_bbp_ready(rt2x00dev))) | |
938 | return -EACCES; | |
95ea3627 | 939 | |
95ea3627 ID |
940 | rt2400pci_bbp_write(rt2x00dev, 1, 0x00); |
941 | rt2400pci_bbp_write(rt2x00dev, 3, 0x27); | |
942 | rt2400pci_bbp_write(rt2x00dev, 4, 0x08); | |
943 | rt2400pci_bbp_write(rt2x00dev, 10, 0x0f); | |
944 | rt2400pci_bbp_write(rt2x00dev, 15, 0x72); | |
945 | rt2400pci_bbp_write(rt2x00dev, 16, 0x74); | |
946 | rt2400pci_bbp_write(rt2x00dev, 17, 0x20); | |
947 | rt2400pci_bbp_write(rt2x00dev, 18, 0x72); | |
948 | rt2400pci_bbp_write(rt2x00dev, 19, 0x0b); | |
949 | rt2400pci_bbp_write(rt2x00dev, 20, 0x00); | |
950 | rt2400pci_bbp_write(rt2x00dev, 28, 0x11); | |
951 | rt2400pci_bbp_write(rt2x00dev, 29, 0x04); | |
952 | rt2400pci_bbp_write(rt2x00dev, 30, 0x21); | |
953 | rt2400pci_bbp_write(rt2x00dev, 31, 0x00); | |
954 | ||
95ea3627 ID |
955 | for (i = 0; i < EEPROM_BBP_SIZE; i++) { |
956 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom); | |
957 | ||
958 | if (eeprom != 0xffff && eeprom != 0x0000) { | |
959 | reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID); | |
960 | value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE); | |
95ea3627 ID |
961 | rt2400pci_bbp_write(rt2x00dev, reg_id, value); |
962 | } | |
963 | } | |
95ea3627 ID |
964 | |
965 | return 0; | |
966 | } | |
967 | ||
968 | /* | |
969 | * Device state switch handlers. | |
970 | */ | |
95ea3627 ID |
971 | static void rt2400pci_toggle_irq(struct rt2x00_dev *rt2x00dev, |
972 | enum dev_state state) | |
973 | { | |
b550911a | 974 | int mask = (state == STATE_RADIO_IRQ_OFF); |
95ea3627 | 975 | u32 reg; |
bcf3cfd0 | 976 | unsigned long flags; |
95ea3627 ID |
977 | |
978 | /* | |
979 | * When interrupts are being enabled, the interrupt registers | |
980 | * should clear the register to assure a clean state. | |
981 | */ | |
982 | if (state == STATE_RADIO_IRQ_ON) { | |
983 | rt2x00pci_register_read(rt2x00dev, CSR7, ®); | |
984 | rt2x00pci_register_write(rt2x00dev, CSR7, reg); | |
bcf3cfd0 HS |
985 | |
986 | /* | |
987 | * Enable tasklets. | |
988 | */ | |
989 | tasklet_enable(&rt2x00dev->txstatus_tasklet); | |
990 | tasklet_enable(&rt2x00dev->rxdone_tasklet); | |
95ea3627 ID |
991 | } |
992 | ||
993 | /* | |
994 | * Only toggle the interrupts bits we are going to use. | |
995 | * Non-checked interrupt bits are disabled by default. | |
996 | */ | |
bcf3cfd0 HS |
997 | spin_lock_irqsave(&rt2x00dev->irqmask_lock, flags); |
998 | ||
95ea3627 ID |
999 | rt2x00pci_register_read(rt2x00dev, CSR8, ®); |
1000 | rt2x00_set_field32(®, CSR8_TBCN_EXPIRE, mask); | |
1001 | rt2x00_set_field32(®, CSR8_TXDONE_TXRING, mask); | |
1002 | rt2x00_set_field32(®, CSR8_TXDONE_ATIMRING, mask); | |
1003 | rt2x00_set_field32(®, CSR8_TXDONE_PRIORING, mask); | |
1004 | rt2x00_set_field32(®, CSR8_RXDONE, mask); | |
1005 | rt2x00pci_register_write(rt2x00dev, CSR8, reg); | |
bcf3cfd0 HS |
1006 | |
1007 | spin_unlock_irqrestore(&rt2x00dev->irqmask_lock, flags); | |
1008 | ||
1009 | if (state == STATE_RADIO_IRQ_OFF) { | |
1010 | /* | |
1011 | * Ensure that all tasklets are finished before | |
1012 | * disabling the interrupts. | |
1013 | */ | |
1014 | tasklet_disable(&rt2x00dev->txstatus_tasklet); | |
1015 | tasklet_disable(&rt2x00dev->rxdone_tasklet); | |
1016 | } | |
95ea3627 ID |
1017 | } |
1018 | ||
1019 | static int rt2400pci_enable_radio(struct rt2x00_dev *rt2x00dev) | |
1020 | { | |
1021 | /* | |
1022 | * Initialize all registers. | |
1023 | */ | |
2b08da3f ID |
1024 | if (unlikely(rt2400pci_init_queues(rt2x00dev) || |
1025 | rt2400pci_init_registers(rt2x00dev) || | |
1026 | rt2400pci_init_bbp(rt2x00dev))) | |
95ea3627 | 1027 | return -EIO; |
95ea3627 | 1028 | |
95ea3627 ID |
1029 | return 0; |
1030 | } | |
1031 | ||
1032 | static void rt2400pci_disable_radio(struct rt2x00_dev *rt2x00dev) | |
1033 | { | |
95ea3627 | 1034 | /* |
a2c9b652 | 1035 | * Disable power |
95ea3627 | 1036 | */ |
a2c9b652 | 1037 | rt2x00pci_register_write(rt2x00dev, PWRCSR0, 0); |
95ea3627 ID |
1038 | } |
1039 | ||
1040 | static int rt2400pci_set_state(struct rt2x00_dev *rt2x00dev, | |
1041 | enum dev_state state) | |
1042 | { | |
9655a6ec | 1043 | u32 reg, reg2; |
95ea3627 ID |
1044 | unsigned int i; |
1045 | char put_to_sleep; | |
1046 | char bbp_state; | |
1047 | char rf_state; | |
1048 | ||
1049 | put_to_sleep = (state != STATE_AWAKE); | |
1050 | ||
1051 | rt2x00pci_register_read(rt2x00dev, PWRCSR1, ®); | |
1052 | rt2x00_set_field32(®, PWRCSR1_SET_STATE, 1); | |
1053 | rt2x00_set_field32(®, PWRCSR1_BBP_DESIRE_STATE, state); | |
1054 | rt2x00_set_field32(®, PWRCSR1_RF_DESIRE_STATE, state); | |
1055 | rt2x00_set_field32(®, PWRCSR1_PUT_TO_SLEEP, put_to_sleep); | |
1056 | rt2x00pci_register_write(rt2x00dev, PWRCSR1, reg); | |
1057 | ||
1058 | /* | |
1059 | * Device is not guaranteed to be in the requested state yet. | |
1060 | * We must wait until the register indicates that the | |
1061 | * device has entered the correct state. | |
1062 | */ | |
1063 | for (i = 0; i < REGISTER_BUSY_COUNT; i++) { | |
9655a6ec GW |
1064 | rt2x00pci_register_read(rt2x00dev, PWRCSR1, ®2); |
1065 | bbp_state = rt2x00_get_field32(reg2, PWRCSR1_BBP_CURR_STATE); | |
1066 | rf_state = rt2x00_get_field32(reg2, PWRCSR1_RF_CURR_STATE); | |
95ea3627 ID |
1067 | if (bbp_state == state && rf_state == state) |
1068 | return 0; | |
9655a6ec | 1069 | rt2x00pci_register_write(rt2x00dev, PWRCSR1, reg); |
95ea3627 ID |
1070 | msleep(10); |
1071 | } | |
1072 | ||
95ea3627 ID |
1073 | return -EBUSY; |
1074 | } | |
1075 | ||
1076 | static int rt2400pci_set_device_state(struct rt2x00_dev *rt2x00dev, | |
1077 | enum dev_state state) | |
1078 | { | |
1079 | int retval = 0; | |
1080 | ||
1081 | switch (state) { | |
1082 | case STATE_RADIO_ON: | |
1083 | retval = rt2400pci_enable_radio(rt2x00dev); | |
1084 | break; | |
1085 | case STATE_RADIO_OFF: | |
1086 | rt2400pci_disable_radio(rt2x00dev); | |
1087 | break; | |
2b08da3f ID |
1088 | case STATE_RADIO_IRQ_ON: |
1089 | case STATE_RADIO_IRQ_OFF: | |
1090 | rt2400pci_toggle_irq(rt2x00dev, state); | |
95ea3627 ID |
1091 | break; |
1092 | case STATE_DEEP_SLEEP: | |
1093 | case STATE_SLEEP: | |
1094 | case STATE_STANDBY: | |
1095 | case STATE_AWAKE: | |
1096 | retval = rt2400pci_set_state(rt2x00dev, state); | |
1097 | break; | |
1098 | default: | |
1099 | retval = -ENOTSUPP; | |
1100 | break; | |
1101 | } | |
1102 | ||
2b08da3f ID |
1103 | if (unlikely(retval)) |
1104 | ERROR(rt2x00dev, "Device failed to enter state %d (%d).\n", | |
1105 | state, retval); | |
1106 | ||
95ea3627 ID |
1107 | return retval; |
1108 | } | |
1109 | ||
1110 | /* | |
1111 | * TX descriptor initialization | |
1112 | */ | |
93331458 | 1113 | static void rt2400pci_write_tx_desc(struct queue_entry *entry, |
61486e0f | 1114 | struct txentry_desc *txdesc) |
95ea3627 | 1115 | { |
93331458 ID |
1116 | struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); |
1117 | struct queue_entry_priv_pci *entry_priv = entry->priv_data; | |
85b7a8b3 | 1118 | __le32 *txd = entry_priv->desc; |
95ea3627 | 1119 | u32 word; |
95ea3627 ID |
1120 | |
1121 | /* | |
1122 | * Start writing the descriptor words. | |
1123 | */ | |
85b7a8b3 | 1124 | rt2x00_desc_read(txd, 1, &word); |
c4da0048 | 1125 | rt2x00_set_field32(&word, TXD_W1_BUFFER_ADDRESS, skbdesc->skb_dma); |
85b7a8b3 | 1126 | rt2x00_desc_write(txd, 1, word); |
4de36fe5 | 1127 | |
95ea3627 | 1128 | rt2x00_desc_read(txd, 2, &word); |
df624ca5 GW |
1129 | rt2x00_set_field32(&word, TXD_W2_BUFFER_LENGTH, txdesc->length); |
1130 | rt2x00_set_field32(&word, TXD_W2_DATABYTE_COUNT, txdesc->length); | |
95ea3627 ID |
1131 | rt2x00_desc_write(txd, 2, word); |
1132 | ||
1133 | rt2x00_desc_read(txd, 3, &word); | |
181d6902 | 1134 | rt2x00_set_field32(&word, TXD_W3_PLCP_SIGNAL, txdesc->signal); |
49da2605 ID |
1135 | rt2x00_set_field32(&word, TXD_W3_PLCP_SIGNAL_REGNUM, 5); |
1136 | rt2x00_set_field32(&word, TXD_W3_PLCP_SIGNAL_BUSY, 1); | |
181d6902 | 1137 | rt2x00_set_field32(&word, TXD_W3_PLCP_SERVICE, txdesc->service); |
49da2605 ID |
1138 | rt2x00_set_field32(&word, TXD_W3_PLCP_SERVICE_REGNUM, 6); |
1139 | rt2x00_set_field32(&word, TXD_W3_PLCP_SERVICE_BUSY, 1); | |
95ea3627 ID |
1140 | rt2x00_desc_write(txd, 3, word); |
1141 | ||
1142 | rt2x00_desc_read(txd, 4, &word); | |
181d6902 | 1143 | rt2x00_set_field32(&word, TXD_W4_PLCP_LENGTH_LOW, txdesc->length_low); |
49da2605 ID |
1144 | rt2x00_set_field32(&word, TXD_W3_PLCP_LENGTH_LOW_REGNUM, 8); |
1145 | rt2x00_set_field32(&word, TXD_W3_PLCP_LENGTH_LOW_BUSY, 1); | |
181d6902 | 1146 | rt2x00_set_field32(&word, TXD_W4_PLCP_LENGTH_HIGH, txdesc->length_high); |
49da2605 ID |
1147 | rt2x00_set_field32(&word, TXD_W3_PLCP_LENGTH_HIGH_REGNUM, 7); |
1148 | rt2x00_set_field32(&word, TXD_W3_PLCP_LENGTH_HIGH_BUSY, 1); | |
95ea3627 ID |
1149 | rt2x00_desc_write(txd, 4, word); |
1150 | ||
e01f1ec3 GW |
1151 | /* |
1152 | * Writing TXD word 0 must the last to prevent a race condition with | |
1153 | * the device, whereby the device may take hold of the TXD before we | |
1154 | * finished updating it. | |
1155 | */ | |
95ea3627 ID |
1156 | rt2x00_desc_read(txd, 0, &word); |
1157 | rt2x00_set_field32(&word, TXD_W0_OWNER_NIC, 1); | |
1158 | rt2x00_set_field32(&word, TXD_W0_VALID, 1); | |
1159 | rt2x00_set_field32(&word, TXD_W0_MORE_FRAG, | |
181d6902 | 1160 | test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags)); |
95ea3627 | 1161 | rt2x00_set_field32(&word, TXD_W0_ACK, |
181d6902 | 1162 | test_bit(ENTRY_TXD_ACK, &txdesc->flags)); |
95ea3627 | 1163 | rt2x00_set_field32(&word, TXD_W0_TIMESTAMP, |
181d6902 | 1164 | test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags)); |
95ea3627 | 1165 | rt2x00_set_field32(&word, TXD_W0_RTS, |
181d6902 ID |
1166 | test_bit(ENTRY_TXD_RTS_FRAME, &txdesc->flags)); |
1167 | rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs); | |
95ea3627 | 1168 | rt2x00_set_field32(&word, TXD_W0_RETRY_MODE, |
aade5102 | 1169 | test_bit(ENTRY_TXD_RETRY_MODE, &txdesc->flags)); |
95ea3627 | 1170 | rt2x00_desc_write(txd, 0, word); |
85b7a8b3 GW |
1171 | |
1172 | /* | |
1173 | * Register descriptor details in skb frame descriptor. | |
1174 | */ | |
1175 | skbdesc->desc = txd; | |
1176 | skbdesc->desc_len = TXD_DESC_SIZE; | |
95ea3627 ID |
1177 | } |
1178 | ||
1179 | /* | |
1180 | * TX data initialization | |
1181 | */ | |
f224f4ef GW |
1182 | static void rt2400pci_write_beacon(struct queue_entry *entry, |
1183 | struct txentry_desc *txdesc) | |
bd88a781 ID |
1184 | { |
1185 | struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; | |
bd88a781 ID |
1186 | u32 reg; |
1187 | ||
1188 | /* | |
1189 | * Disable beaconing while we are reloading the beacon data, | |
1190 | * otherwise we might be sending out invalid data. | |
1191 | */ | |
1192 | rt2x00pci_register_read(rt2x00dev, CSR14, ®); | |
bd88a781 ID |
1193 | rt2x00_set_field32(®, CSR14_BEACON_GEN, 0); |
1194 | rt2x00pci_register_write(rt2x00dev, CSR14, reg); | |
1195 | ||
fa69560f | 1196 | rt2x00queue_map_txskb(entry); |
bd88a781 | 1197 | |
5c3b685c GW |
1198 | /* |
1199 | * Write the TX descriptor for the beacon. | |
1200 | */ | |
93331458 | 1201 | rt2400pci_write_tx_desc(entry, txdesc); |
5c3b685c GW |
1202 | |
1203 | /* | |
1204 | * Dump beacon to userspace through debugfs. | |
1205 | */ | |
1206 | rt2x00debug_dump_frame(rt2x00dev, DUMP_FRAME_BEACON, entry->skb); | |
d61cb266 GW |
1207 | |
1208 | /* | |
1209 | * Enable beaconing again. | |
1210 | */ | |
d61cb266 GW |
1211 | rt2x00_set_field32(®, CSR14_BEACON_GEN, 1); |
1212 | rt2x00pci_register_write(rt2x00dev, CSR14, reg); | |
bd88a781 ID |
1213 | } |
1214 | ||
95ea3627 ID |
1215 | /* |
1216 | * RX control handlers | |
1217 | */ | |
181d6902 ID |
1218 | static void rt2400pci_fill_rxdone(struct queue_entry *entry, |
1219 | struct rxdone_entry_desc *rxdesc) | |
95ea3627 | 1220 | { |
ae73e58e | 1221 | struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; |
b8be63ff | 1222 | struct queue_entry_priv_pci *entry_priv = entry->priv_data; |
95ea3627 ID |
1223 | u32 word0; |
1224 | u32 word2; | |
89993890 | 1225 | u32 word3; |
ae73e58e ID |
1226 | u32 word4; |
1227 | u64 tsf; | |
1228 | u32 rx_low; | |
1229 | u32 rx_high; | |
95ea3627 | 1230 | |
b8be63ff ID |
1231 | rt2x00_desc_read(entry_priv->desc, 0, &word0); |
1232 | rt2x00_desc_read(entry_priv->desc, 2, &word2); | |
1233 | rt2x00_desc_read(entry_priv->desc, 3, &word3); | |
ae73e58e | 1234 | rt2x00_desc_read(entry_priv->desc, 4, &word4); |
95ea3627 | 1235 | |
4150c572 | 1236 | if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR)) |
181d6902 | 1237 | rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC; |
4150c572 | 1238 | if (rt2x00_get_field32(word0, RXD_W0_PHYSICAL_ERROR)) |
181d6902 | 1239 | rxdesc->flags |= RX_FLAG_FAILED_PLCP_CRC; |
95ea3627 | 1240 | |
ae73e58e ID |
1241 | /* |
1242 | * We only get the lower 32bits from the timestamp, | |
1243 | * to get the full 64bits we must complement it with | |
1244 | * the timestamp from get_tsf(). | |
1245 | * Note that when a wraparound of the lower 32bits | |
1246 | * has occurred between the frame arrival and the get_tsf() | |
1247 | * call, we must decrease the higher 32bits with 1 to get | |
1248 | * to correct value. | |
1249 | */ | |
1250 | tsf = rt2x00dev->ops->hw->get_tsf(rt2x00dev->hw); | |
1251 | rx_low = rt2x00_get_field32(word4, RXD_W4_RX_END_TIME); | |
1252 | rx_high = upper_32_bits(tsf); | |
1253 | ||
1254 | if ((u32)tsf <= rx_low) | |
1255 | rx_high--; | |
1256 | ||
95ea3627 ID |
1257 | /* |
1258 | * Obtain the status about this packet. | |
8ed09854 ID |
1259 | * The signal is the PLCP value, and needs to be stripped |
1260 | * of the preamble bit (0x08). | |
95ea3627 | 1261 | */ |
ae73e58e | 1262 | rxdesc->timestamp = ((u64)rx_high << 32) | rx_low; |
8ed09854 | 1263 | rxdesc->signal = rt2x00_get_field32(word2, RXD_W2_SIGNAL) & ~0x08; |
89993890 | 1264 | rxdesc->rssi = rt2x00_get_field32(word2, RXD_W3_RSSI) - |
181d6902 | 1265 | entry->queue->rt2x00dev->rssi_offset; |
181d6902 | 1266 | rxdesc->size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT); |
19d30e02 | 1267 | |
dec13b6b | 1268 | rxdesc->dev_flags |= RXDONE_SIGNAL_PLCP; |
19d30e02 ID |
1269 | if (rt2x00_get_field32(word0, RXD_W0_MY_BSS)) |
1270 | rxdesc->dev_flags |= RXDONE_MY_BSS; | |
95ea3627 ID |
1271 | } |
1272 | ||
1273 | /* | |
1274 | * Interrupt functions. | |
1275 | */ | |
181d6902 | 1276 | static void rt2400pci_txdone(struct rt2x00_dev *rt2x00dev, |
e58c6aca | 1277 | const enum data_queue_qid queue_idx) |
95ea3627 | 1278 | { |
181d6902 | 1279 | struct data_queue *queue = rt2x00queue_get_queue(rt2x00dev, queue_idx); |
b8be63ff | 1280 | struct queue_entry_priv_pci *entry_priv; |
181d6902 ID |
1281 | struct queue_entry *entry; |
1282 | struct txdone_entry_desc txdesc; | |
95ea3627 | 1283 | u32 word; |
95ea3627 | 1284 | |
181d6902 ID |
1285 | while (!rt2x00queue_empty(queue)) { |
1286 | entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE); | |
b8be63ff ID |
1287 | entry_priv = entry->priv_data; |
1288 | rt2x00_desc_read(entry_priv->desc, 0, &word); | |
95ea3627 ID |
1289 | |
1290 | if (rt2x00_get_field32(word, TXD_W0_OWNER_NIC) || | |
1291 | !rt2x00_get_field32(word, TXD_W0_VALID)) | |
1292 | break; | |
1293 | ||
1294 | /* | |
1295 | * Obtain the status about this packet. | |
1296 | */ | |
fb55f4d1 ID |
1297 | txdesc.flags = 0; |
1298 | switch (rt2x00_get_field32(word, TXD_W0_RESULT)) { | |
1299 | case 0: /* Success */ | |
1300 | case 1: /* Success with retry */ | |
1301 | __set_bit(TXDONE_SUCCESS, &txdesc.flags); | |
1302 | break; | |
1303 | case 2: /* Failure, excessive retries */ | |
1304 | __set_bit(TXDONE_EXCESSIVE_RETRY, &txdesc.flags); | |
1305 | /* Don't break, this is a failed frame! */ | |
1306 | default: /* Failure */ | |
1307 | __set_bit(TXDONE_FAILURE, &txdesc.flags); | |
1308 | } | |
181d6902 | 1309 | txdesc.retry = rt2x00_get_field32(word, TXD_W0_RETRY_COUNT); |
95ea3627 | 1310 | |
e513a0b6 | 1311 | rt2x00lib_txdone(entry, &txdesc); |
95ea3627 | 1312 | } |
95ea3627 ID |
1313 | } |
1314 | ||
bcf3cfd0 HS |
1315 | static void rt2400pci_enable_interrupt(struct rt2x00_dev *rt2x00dev, |
1316 | struct rt2x00_field32 irq_field) | |
95ea3627 | 1317 | { |
bcf3cfd0 HS |
1318 | unsigned long flags; |
1319 | u32 reg; | |
95ea3627 ID |
1320 | |
1321 | /* | |
bcf3cfd0 HS |
1322 | * Enable a single interrupt. The interrupt mask register |
1323 | * access needs locking. | |
95ea3627 | 1324 | */ |
bcf3cfd0 | 1325 | spin_lock_irqsave(&rt2x00dev->irqmask_lock, flags); |
95ea3627 | 1326 | |
bcf3cfd0 HS |
1327 | rt2x00pci_register_read(rt2x00dev, CSR8, ®); |
1328 | rt2x00_set_field32(®, irq_field, 0); | |
1329 | rt2x00pci_register_write(rt2x00dev, CSR8, reg); | |
95ea3627 | 1330 | |
bcf3cfd0 HS |
1331 | spin_unlock_irqrestore(&rt2x00dev->irqmask_lock, flags); |
1332 | } | |
95ea3627 | 1333 | |
bcf3cfd0 HS |
1334 | static void rt2400pci_txstatus_tasklet(unsigned long data) |
1335 | { | |
1336 | struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data; | |
1337 | u32 reg; | |
1338 | unsigned long flags; | |
95ea3627 ID |
1339 | |
1340 | /* | |
bcf3cfd0 | 1341 | * Handle all tx queues. |
95ea3627 | 1342 | */ |
bcf3cfd0 HS |
1343 | rt2400pci_txdone(rt2x00dev, QID_ATIM); |
1344 | rt2400pci_txdone(rt2x00dev, QID_AC_VO); | |
1345 | rt2400pci_txdone(rt2x00dev, QID_AC_VI); | |
95ea3627 ID |
1346 | |
1347 | /* | |
bcf3cfd0 | 1348 | * Enable all TXDONE interrupts again. |
95ea3627 | 1349 | */ |
bcf3cfd0 | 1350 | spin_lock_irqsave(&rt2x00dev->irqmask_lock, flags); |
95ea3627 | 1351 | |
bcf3cfd0 HS |
1352 | rt2x00pci_register_read(rt2x00dev, CSR8, ®); |
1353 | rt2x00_set_field32(®, CSR8_TXDONE_TXRING, 0); | |
1354 | rt2x00_set_field32(®, CSR8_TXDONE_ATIMRING, 0); | |
1355 | rt2x00_set_field32(®, CSR8_TXDONE_PRIORING, 0); | |
1356 | rt2x00pci_register_write(rt2x00dev, CSR8, reg); | |
1357 | ||
1358 | spin_unlock_irqrestore(&rt2x00dev->irqmask_lock, flags); | |
1359 | } | |
1360 | ||
1361 | static void rt2400pci_tbtt_tasklet(unsigned long data) | |
1362 | { | |
1363 | struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data; | |
1364 | rt2x00lib_beacondone(rt2x00dev); | |
1365 | rt2400pci_enable_interrupt(rt2x00dev, CSR8_TBCN_EXPIRE); | |
1366 | } | |
1367 | ||
1368 | static void rt2400pci_rxdone_tasklet(unsigned long data) | |
1369 | { | |
1370 | struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data; | |
1371 | rt2x00pci_rxdone(rt2x00dev); | |
1372 | rt2400pci_enable_interrupt(rt2x00dev, CSR8_RXDONE); | |
95ea3627 ID |
1373 | } |
1374 | ||
78e256c9 HS |
1375 | static irqreturn_t rt2400pci_interrupt(int irq, void *dev_instance) |
1376 | { | |
1377 | struct rt2x00_dev *rt2x00dev = dev_instance; | |
bcf3cfd0 HS |
1378 | u32 reg, mask; |
1379 | unsigned long flags; | |
78e256c9 HS |
1380 | |
1381 | /* | |
1382 | * Get the interrupt sources & saved to local variable. | |
1383 | * Write register value back to clear pending interrupts. | |
1384 | */ | |
1385 | rt2x00pci_register_read(rt2x00dev, CSR7, ®); | |
1386 | rt2x00pci_register_write(rt2x00dev, CSR7, reg); | |
1387 | ||
1388 | if (!reg) | |
1389 | return IRQ_NONE; | |
1390 | ||
1391 | if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags)) | |
1392 | return IRQ_HANDLED; | |
1393 | ||
bcf3cfd0 HS |
1394 | mask = reg; |
1395 | ||
1396 | /* | |
1397 | * Schedule tasklets for interrupt handling. | |
1398 | */ | |
1399 | if (rt2x00_get_field32(reg, CSR7_TBCN_EXPIRE)) | |
1400 | tasklet_hi_schedule(&rt2x00dev->tbtt_tasklet); | |
1401 | ||
1402 | if (rt2x00_get_field32(reg, CSR7_RXDONE)) | |
1403 | tasklet_schedule(&rt2x00dev->rxdone_tasklet); | |
1404 | ||
1405 | if (rt2x00_get_field32(reg, CSR7_TXDONE_ATIMRING) || | |
1406 | rt2x00_get_field32(reg, CSR7_TXDONE_PRIORING) || | |
1407 | rt2x00_get_field32(reg, CSR7_TXDONE_TXRING)) { | |
1408 | tasklet_schedule(&rt2x00dev->txstatus_tasklet); | |
1409 | /* | |
1410 | * Mask out all txdone interrupts. | |
1411 | */ | |
1412 | rt2x00_set_field32(&mask, CSR8_TXDONE_TXRING, 1); | |
1413 | rt2x00_set_field32(&mask, CSR8_TXDONE_ATIMRING, 1); | |
1414 | rt2x00_set_field32(&mask, CSR8_TXDONE_PRIORING, 1); | |
1415 | } | |
78e256c9 | 1416 | |
bcf3cfd0 HS |
1417 | /* |
1418 | * Disable all interrupts for which a tasklet was scheduled right now, | |
1419 | * the tasklet will reenable the appropriate interrupts. | |
1420 | */ | |
1421 | spin_lock_irqsave(&rt2x00dev->irqmask_lock, flags); | |
78e256c9 | 1422 | |
bcf3cfd0 HS |
1423 | rt2x00pci_register_read(rt2x00dev, CSR8, ®); |
1424 | reg |= mask; | |
1425 | rt2x00pci_register_write(rt2x00dev, CSR8, reg); | |
1426 | ||
1427 | spin_unlock_irqrestore(&rt2x00dev->irqmask_lock, flags); | |
1428 | ||
1429 | ||
1430 | ||
1431 | return IRQ_HANDLED; | |
78e256c9 HS |
1432 | } |
1433 | ||
95ea3627 ID |
1434 | /* |
1435 | * Device probe functions. | |
1436 | */ | |
1437 | static int rt2400pci_validate_eeprom(struct rt2x00_dev *rt2x00dev) | |
1438 | { | |
1439 | struct eeprom_93cx6 eeprom; | |
1440 | u32 reg; | |
1441 | u16 word; | |
1442 | u8 *mac; | |
1443 | ||
1444 | rt2x00pci_register_read(rt2x00dev, CSR21, ®); | |
1445 | ||
1446 | eeprom.data = rt2x00dev; | |
1447 | eeprom.register_read = rt2400pci_eepromregister_read; | |
1448 | eeprom.register_write = rt2400pci_eepromregister_write; | |
1449 | eeprom.width = rt2x00_get_field32(reg, CSR21_TYPE_93C46) ? | |
1450 | PCI_EEPROM_WIDTH_93C46 : PCI_EEPROM_WIDTH_93C66; | |
1451 | eeprom.reg_data_in = 0; | |
1452 | eeprom.reg_data_out = 0; | |
1453 | eeprom.reg_data_clock = 0; | |
1454 | eeprom.reg_chip_select = 0; | |
1455 | ||
1456 | eeprom_93cx6_multiread(&eeprom, EEPROM_BASE, rt2x00dev->eeprom, | |
1457 | EEPROM_SIZE / sizeof(u16)); | |
1458 | ||
1459 | /* | |
1460 | * Start validation of the data that has been read. | |
1461 | */ | |
1462 | mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0); | |
1463 | if (!is_valid_ether_addr(mac)) { | |
1464 | random_ether_addr(mac); | |
e174961c | 1465 | EEPROM(rt2x00dev, "MAC: %pM\n", mac); |
95ea3627 ID |
1466 | } |
1467 | ||
1468 | rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word); | |
1469 | if (word == 0xffff) { | |
1470 | ERROR(rt2x00dev, "Invalid EEPROM data detected.\n"); | |
1471 | return -EINVAL; | |
1472 | } | |
1473 | ||
1474 | return 0; | |
1475 | } | |
1476 | ||
1477 | static int rt2400pci_init_eeprom(struct rt2x00_dev *rt2x00dev) | |
1478 | { | |
1479 | u32 reg; | |
1480 | u16 value; | |
1481 | u16 eeprom; | |
1482 | ||
1483 | /* | |
1484 | * Read EEPROM word for configuration. | |
1485 | */ | |
1486 | rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom); | |
1487 | ||
1488 | /* | |
1489 | * Identify RF chipset. | |
1490 | */ | |
1491 | value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE); | |
1492 | rt2x00pci_register_read(rt2x00dev, CSR0, ®); | |
49e721ec GW |
1493 | rt2x00_set_chip(rt2x00dev, RT2460, value, |
1494 | rt2x00_get_field32(reg, CSR0_REVISION)); | |
95ea3627 | 1495 | |
5122d898 | 1496 | if (!rt2x00_rf(rt2x00dev, RF2420) && !rt2x00_rf(rt2x00dev, RF2421)) { |
95ea3627 ID |
1497 | ERROR(rt2x00dev, "Invalid RF chipset detected.\n"); |
1498 | return -ENODEV; | |
1499 | } | |
1500 | ||
1501 | /* | |
1502 | * Identify default antenna configuration. | |
1503 | */ | |
addc81bd | 1504 | rt2x00dev->default_ant.tx = |
95ea3627 | 1505 | rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TX_DEFAULT); |
addc81bd | 1506 | rt2x00dev->default_ant.rx = |
95ea3627 ID |
1507 | rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RX_DEFAULT); |
1508 | ||
addc81bd ID |
1509 | /* |
1510 | * When the eeprom indicates SW_DIVERSITY use HW_DIVERSITY instead. | |
1511 | * I am not 100% sure about this, but the legacy drivers do not | |
1512 | * indicate antenna swapping in software is required when | |
1513 | * diversity is enabled. | |
1514 | */ | |
1515 | if (rt2x00dev->default_ant.tx == ANTENNA_SW_DIVERSITY) | |
1516 | rt2x00dev->default_ant.tx = ANTENNA_HW_DIVERSITY; | |
1517 | if (rt2x00dev->default_ant.rx == ANTENNA_SW_DIVERSITY) | |
1518 | rt2x00dev->default_ant.rx = ANTENNA_HW_DIVERSITY; | |
1519 | ||
95ea3627 ID |
1520 | /* |
1521 | * Store led mode, for correct led behaviour. | |
1522 | */ | |
771fd565 | 1523 | #ifdef CONFIG_RT2X00_LIB_LEDS |
a9450b70 ID |
1524 | value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_LED_MODE); |
1525 | ||
475433be | 1526 | rt2400pci_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO); |
3d3e451f ID |
1527 | if (value == LED_MODE_TXRX_ACTIVITY || |
1528 | value == LED_MODE_DEFAULT || | |
1529 | value == LED_MODE_ASUS) | |
475433be ID |
1530 | rt2400pci_init_led(rt2x00dev, &rt2x00dev->led_qual, |
1531 | LED_TYPE_ACTIVITY); | |
771fd565 | 1532 | #endif /* CONFIG_RT2X00_LIB_LEDS */ |
95ea3627 ID |
1533 | |
1534 | /* | |
1535 | * Detect if this device has an hardware controlled radio. | |
1536 | */ | |
1537 | if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_HARDWARE_RADIO)) | |
066cb637 | 1538 | __set_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags); |
95ea3627 ID |
1539 | |
1540 | /* | |
1541 | * Check if the BBP tuning should be enabled. | |
1542 | */ | |
27df2a9c ID |
1543 | if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RX_AGCVGC_TUNING)) |
1544 | __set_bit(DRIVER_SUPPORT_LINK_TUNING, &rt2x00dev->flags); | |
95ea3627 ID |
1545 | |
1546 | return 0; | |
1547 | } | |
1548 | ||
1549 | /* | |
1550 | * RF value list for RF2420 & RF2421 | |
1551 | * Supports: 2.4 GHz | |
1552 | */ | |
8c5e7a5f | 1553 | static const struct rf_channel rf_vals_b[] = { |
95ea3627 ID |
1554 | { 1, 0x00022058, 0x000c1fda, 0x00000101, 0 }, |
1555 | { 2, 0x00022058, 0x000c1fee, 0x00000101, 0 }, | |
1556 | { 3, 0x00022058, 0x000c2002, 0x00000101, 0 }, | |
1557 | { 4, 0x00022058, 0x000c2016, 0x00000101, 0 }, | |
1558 | { 5, 0x00022058, 0x000c202a, 0x00000101, 0 }, | |
1559 | { 6, 0x00022058, 0x000c203e, 0x00000101, 0 }, | |
1560 | { 7, 0x00022058, 0x000c2052, 0x00000101, 0 }, | |
1561 | { 8, 0x00022058, 0x000c2066, 0x00000101, 0 }, | |
1562 | { 9, 0x00022058, 0x000c207a, 0x00000101, 0 }, | |
1563 | { 10, 0x00022058, 0x000c208e, 0x00000101, 0 }, | |
1564 | { 11, 0x00022058, 0x000c20a2, 0x00000101, 0 }, | |
1565 | { 12, 0x00022058, 0x000c20b6, 0x00000101, 0 }, | |
1566 | { 13, 0x00022058, 0x000c20ca, 0x00000101, 0 }, | |
1567 | { 14, 0x00022058, 0x000c20fa, 0x00000101, 0 }, | |
1568 | }; | |
1569 | ||
8c5e7a5f | 1570 | static int rt2400pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev) |
95ea3627 ID |
1571 | { |
1572 | struct hw_mode_spec *spec = &rt2x00dev->spec; | |
8c5e7a5f ID |
1573 | struct channel_info *info; |
1574 | char *tx_power; | |
95ea3627 ID |
1575 | unsigned int i; |
1576 | ||
1577 | /* | |
1578 | * Initialize all hw fields. | |
1579 | */ | |
566bfe5a | 1580 | rt2x00dev->hw->flags = IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING | |
4be8c387 JB |
1581 | IEEE80211_HW_SIGNAL_DBM | |
1582 | IEEE80211_HW_SUPPORTS_PS | | |
1583 | IEEE80211_HW_PS_NULLFUNC_STACK; | |
95ea3627 | 1584 | |
14a3bf89 | 1585 | SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev); |
95ea3627 ID |
1586 | SET_IEEE80211_PERM_ADDR(rt2x00dev->hw, |
1587 | rt2x00_eeprom_addr(rt2x00dev, | |
1588 | EEPROM_MAC_ADDR_0)); | |
1589 | ||
95ea3627 ID |
1590 | /* |
1591 | * Initialize hw_mode information. | |
1592 | */ | |
31562e80 ID |
1593 | spec->supported_bands = SUPPORT_BAND_2GHZ; |
1594 | spec->supported_rates = SUPPORT_RATE_CCK; | |
95ea3627 | 1595 | |
8c5e7a5f ID |
1596 | spec->num_channels = ARRAY_SIZE(rf_vals_b); |
1597 | spec->channels = rf_vals_b; | |
1598 | ||
1599 | /* | |
1600 | * Create channel information array | |
1601 | */ | |
baeb2ffa | 1602 | info = kcalloc(spec->num_channels, sizeof(*info), GFP_KERNEL); |
8c5e7a5f ID |
1603 | if (!info) |
1604 | return -ENOMEM; | |
1605 | ||
1606 | spec->channels_info = info; | |
1607 | ||
1608 | tx_power = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_START); | |
8d1331b3 ID |
1609 | for (i = 0; i < 14; i++) { |
1610 | info[i].max_power = TXPOWER_FROM_DEV(MAX_TXPOWER); | |
1611 | info[i].default_power1 = TXPOWER_FROM_DEV(tx_power[i]); | |
1612 | } | |
8c5e7a5f ID |
1613 | |
1614 | return 0; | |
95ea3627 ID |
1615 | } |
1616 | ||
1617 | static int rt2400pci_probe_hw(struct rt2x00_dev *rt2x00dev) | |
1618 | { | |
1619 | int retval; | |
1620 | ||
1621 | /* | |
1622 | * Allocate eeprom data. | |
1623 | */ | |
1624 | retval = rt2400pci_validate_eeprom(rt2x00dev); | |
1625 | if (retval) | |
1626 | return retval; | |
1627 | ||
1628 | retval = rt2400pci_init_eeprom(rt2x00dev); | |
1629 | if (retval) | |
1630 | return retval; | |
1631 | ||
1632 | /* | |
1633 | * Initialize hw specifications. | |
1634 | */ | |
8c5e7a5f ID |
1635 | retval = rt2400pci_probe_hw_mode(rt2x00dev); |
1636 | if (retval) | |
1637 | return retval; | |
95ea3627 ID |
1638 | |
1639 | /* | |
c4da0048 | 1640 | * This device requires the atim queue and DMA-mapped skbs. |
95ea3627 | 1641 | */ |
181d6902 | 1642 | __set_bit(DRIVER_REQUIRE_ATIM_QUEUE, &rt2x00dev->flags); |
c4da0048 | 1643 | __set_bit(DRIVER_REQUIRE_DMA, &rt2x00dev->flags); |
95ea3627 ID |
1644 | |
1645 | /* | |
1646 | * Set the rssi offset. | |
1647 | */ | |
1648 | rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET; | |
1649 | ||
1650 | return 0; | |
1651 | } | |
1652 | ||
1653 | /* | |
1654 | * IEEE80211 stack callback functions. | |
1655 | */ | |
e100bb64 | 1656 | static int rt2400pci_conf_tx(struct ieee80211_hw *hw, u16 queue, |
95ea3627 ID |
1657 | const struct ieee80211_tx_queue_params *params) |
1658 | { | |
1659 | struct rt2x00_dev *rt2x00dev = hw->priv; | |
1660 | ||
1661 | /* | |
1662 | * We don't support variating cw_min and cw_max variables | |
1663 | * per queue. So by default we only configure the TX queue, | |
1664 | * and ignore all other configurations. | |
1665 | */ | |
e100bb64 | 1666 | if (queue != 0) |
95ea3627 ID |
1667 | return -EINVAL; |
1668 | ||
1669 | if (rt2x00mac_conf_tx(hw, queue, params)) | |
1670 | return -EINVAL; | |
1671 | ||
1672 | /* | |
1673 | * Write configuration to register. | |
1674 | */ | |
181d6902 ID |
1675 | rt2400pci_config_cw(rt2x00dev, |
1676 | rt2x00dev->tx->cw_min, rt2x00dev->tx->cw_max); | |
95ea3627 ID |
1677 | |
1678 | return 0; | |
1679 | } | |
1680 | ||
1681 | static u64 rt2400pci_get_tsf(struct ieee80211_hw *hw) | |
1682 | { | |
1683 | struct rt2x00_dev *rt2x00dev = hw->priv; | |
1684 | u64 tsf; | |
1685 | u32 reg; | |
1686 | ||
1687 | rt2x00pci_register_read(rt2x00dev, CSR17, ®); | |
1688 | tsf = (u64) rt2x00_get_field32(reg, CSR17_HIGH_TSFTIMER) << 32; | |
1689 | rt2x00pci_register_read(rt2x00dev, CSR16, ®); | |
1690 | tsf |= rt2x00_get_field32(reg, CSR16_LOW_TSFTIMER); | |
1691 | ||
1692 | return tsf; | |
1693 | } | |
1694 | ||
95ea3627 ID |
1695 | static int rt2400pci_tx_last_beacon(struct ieee80211_hw *hw) |
1696 | { | |
1697 | struct rt2x00_dev *rt2x00dev = hw->priv; | |
1698 | u32 reg; | |
1699 | ||
1700 | rt2x00pci_register_read(rt2x00dev, CSR15, ®); | |
1701 | return rt2x00_get_field32(reg, CSR15_BEACON_SENT); | |
1702 | } | |
1703 | ||
1704 | static const struct ieee80211_ops rt2400pci_mac80211_ops = { | |
1705 | .tx = rt2x00mac_tx, | |
4150c572 JB |
1706 | .start = rt2x00mac_start, |
1707 | .stop = rt2x00mac_stop, | |
95ea3627 ID |
1708 | .add_interface = rt2x00mac_add_interface, |
1709 | .remove_interface = rt2x00mac_remove_interface, | |
1710 | .config = rt2x00mac_config, | |
3a643d24 | 1711 | .configure_filter = rt2x00mac_configure_filter, |
d8147f9d ID |
1712 | .sw_scan_start = rt2x00mac_sw_scan_start, |
1713 | .sw_scan_complete = rt2x00mac_sw_scan_complete, | |
95ea3627 | 1714 | .get_stats = rt2x00mac_get_stats, |
471b3efd | 1715 | .bss_info_changed = rt2x00mac_bss_info_changed, |
95ea3627 | 1716 | .conf_tx = rt2400pci_conf_tx, |
95ea3627 | 1717 | .get_tsf = rt2400pci_get_tsf, |
95ea3627 | 1718 | .tx_last_beacon = rt2400pci_tx_last_beacon, |
e47a5cdd | 1719 | .rfkill_poll = rt2x00mac_rfkill_poll, |
f44df18c | 1720 | .flush = rt2x00mac_flush, |
95ea3627 ID |
1721 | }; |
1722 | ||
1723 | static const struct rt2x00lib_ops rt2400pci_rt2x00_ops = { | |
1724 | .irq_handler = rt2400pci_interrupt, | |
bcf3cfd0 HS |
1725 | .txstatus_tasklet = rt2400pci_txstatus_tasklet, |
1726 | .tbtt_tasklet = rt2400pci_tbtt_tasklet, | |
1727 | .rxdone_tasklet = rt2400pci_rxdone_tasklet, | |
95ea3627 ID |
1728 | .probe_hw = rt2400pci_probe_hw, |
1729 | .initialize = rt2x00pci_initialize, | |
1730 | .uninitialize = rt2x00pci_uninitialize, | |
798b7adb ID |
1731 | .get_entry_state = rt2400pci_get_entry_state, |
1732 | .clear_entry = rt2400pci_clear_entry, | |
95ea3627 | 1733 | .set_device_state = rt2400pci_set_device_state, |
95ea3627 | 1734 | .rfkill_poll = rt2400pci_rfkill_poll, |
95ea3627 ID |
1735 | .link_stats = rt2400pci_link_stats, |
1736 | .reset_tuner = rt2400pci_reset_tuner, | |
1737 | .link_tuner = rt2400pci_link_tuner, | |
dbba306f ID |
1738 | .start_queue = rt2400pci_start_queue, |
1739 | .kick_queue = rt2400pci_kick_queue, | |
1740 | .stop_queue = rt2400pci_stop_queue, | |
95ea3627 | 1741 | .write_tx_desc = rt2400pci_write_tx_desc, |
bd88a781 | 1742 | .write_beacon = rt2400pci_write_beacon, |
95ea3627 | 1743 | .fill_rxdone = rt2400pci_fill_rxdone, |
3a643d24 | 1744 | .config_filter = rt2400pci_config_filter, |
6bb40dd1 | 1745 | .config_intf = rt2400pci_config_intf, |
72810379 | 1746 | .config_erp = rt2400pci_config_erp, |
e4ea1c40 | 1747 | .config_ant = rt2400pci_config_ant, |
95ea3627 ID |
1748 | .config = rt2400pci_config, |
1749 | }; | |
1750 | ||
181d6902 | 1751 | static const struct data_queue_desc rt2400pci_queue_rx = { |
efd2f271 | 1752 | .entry_num = 24, |
181d6902 ID |
1753 | .data_size = DATA_FRAME_SIZE, |
1754 | .desc_size = RXD_DESC_SIZE, | |
b8be63ff | 1755 | .priv_size = sizeof(struct queue_entry_priv_pci), |
181d6902 ID |
1756 | }; |
1757 | ||
1758 | static const struct data_queue_desc rt2400pci_queue_tx = { | |
efd2f271 | 1759 | .entry_num = 24, |
181d6902 ID |
1760 | .data_size = DATA_FRAME_SIZE, |
1761 | .desc_size = TXD_DESC_SIZE, | |
b8be63ff | 1762 | .priv_size = sizeof(struct queue_entry_priv_pci), |
181d6902 ID |
1763 | }; |
1764 | ||
1765 | static const struct data_queue_desc rt2400pci_queue_bcn = { | |
efd2f271 | 1766 | .entry_num = 1, |
181d6902 ID |
1767 | .data_size = MGMT_FRAME_SIZE, |
1768 | .desc_size = TXD_DESC_SIZE, | |
b8be63ff | 1769 | .priv_size = sizeof(struct queue_entry_priv_pci), |
181d6902 ID |
1770 | }; |
1771 | ||
1772 | static const struct data_queue_desc rt2400pci_queue_atim = { | |
efd2f271 | 1773 | .entry_num = 8, |
181d6902 ID |
1774 | .data_size = DATA_FRAME_SIZE, |
1775 | .desc_size = TXD_DESC_SIZE, | |
b8be63ff | 1776 | .priv_size = sizeof(struct queue_entry_priv_pci), |
181d6902 ID |
1777 | }; |
1778 | ||
95ea3627 | 1779 | static const struct rt2x00_ops rt2400pci_ops = { |
04d0362e GW |
1780 | .name = KBUILD_MODNAME, |
1781 | .max_sta_intf = 1, | |
1782 | .max_ap_intf = 1, | |
1783 | .eeprom_size = EEPROM_SIZE, | |
1784 | .rf_size = RF_SIZE, | |
1785 | .tx_queues = NUM_TX_QUEUES, | |
e6218cc4 | 1786 | .extra_tx_headroom = 0, |
04d0362e GW |
1787 | .rx = &rt2400pci_queue_rx, |
1788 | .tx = &rt2400pci_queue_tx, | |
1789 | .bcn = &rt2400pci_queue_bcn, | |
1790 | .atim = &rt2400pci_queue_atim, | |
1791 | .lib = &rt2400pci_rt2x00_ops, | |
1792 | .hw = &rt2400pci_mac80211_ops, | |
95ea3627 | 1793 | #ifdef CONFIG_RT2X00_LIB_DEBUGFS |
04d0362e | 1794 | .debugfs = &rt2400pci_rt2x00debug, |
95ea3627 ID |
1795 | #endif /* CONFIG_RT2X00_LIB_DEBUGFS */ |
1796 | }; | |
1797 | ||
1798 | /* | |
1799 | * RT2400pci module information. | |
1800 | */ | |
a3aa1884 | 1801 | static DEFINE_PCI_DEVICE_TABLE(rt2400pci_device_table) = { |
95ea3627 ID |
1802 | { PCI_DEVICE(0x1814, 0x0101), PCI_DEVICE_DATA(&rt2400pci_ops) }, |
1803 | { 0, } | |
1804 | }; | |
1805 | ||
1806 | MODULE_AUTHOR(DRV_PROJECT); | |
1807 | MODULE_VERSION(DRV_VERSION); | |
1808 | MODULE_DESCRIPTION("Ralink RT2400 PCI & PCMCIA Wireless LAN driver."); | |
1809 | MODULE_SUPPORTED_DEVICE("Ralink RT2460 PCI & PCMCIA chipset based cards"); | |
1810 | MODULE_DEVICE_TABLE(pci, rt2400pci_device_table); | |
1811 | MODULE_LICENSE("GPL"); | |
1812 | ||
1813 | static struct pci_driver rt2400pci_driver = { | |
2360157c | 1814 | .name = KBUILD_MODNAME, |
95ea3627 ID |
1815 | .id_table = rt2400pci_device_table, |
1816 | .probe = rt2x00pci_probe, | |
1817 | .remove = __devexit_p(rt2x00pci_remove), | |
1818 | .suspend = rt2x00pci_suspend, | |
1819 | .resume = rt2x00pci_resume, | |
1820 | }; | |
1821 | ||
1822 | static int __init rt2400pci_init(void) | |
1823 | { | |
1824 | return pci_register_driver(&rt2400pci_driver); | |
1825 | } | |
1826 | ||
1827 | static void __exit rt2400pci_exit(void) | |
1828 | { | |
1829 | pci_unregister_driver(&rt2400pci_driver); | |
1830 | } | |
1831 | ||
1832 | module_init(rt2400pci_init); | |
1833 | module_exit(rt2400pci_exit); |