]>
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 | |
a05b8c58 | 16 | along with this program; if not, see <http://www.gnu.org/licenses/>. |
95ea3627 ID |
17 | */ |
18 | ||
19 | /* | |
20 | Module: rt2500pci | |
21 | Abstract: rt2500pci device specific routines. | |
22 | Supported chipsets: RT2560. | |
23 | */ | |
24 | ||
95ea3627 ID |
25 | #include <linux/delay.h> |
26 | #include <linux/etherdevice.h> | |
95ea3627 ID |
27 | #include <linux/kernel.h> |
28 | #include <linux/module.h> | |
29 | #include <linux/pci.h> | |
30 | #include <linux/eeprom_93cx6.h> | |
5a0e3ad6 | 31 | #include <linux/slab.h> |
95ea3627 ID |
32 | |
33 | #include "rt2x00.h" | |
69a2bac8 | 34 | #include "rt2x00mmio.h" |
95ea3627 ID |
35 | #include "rt2x00pci.h" |
36 | #include "rt2500pci.h" | |
37 | ||
38 | /* | |
39 | * Register access. | |
40 | * All access to the CSR registers will go through the methods | |
c517123a | 41 | * rt2x00mmio_register_read and rt2x00mmio_register_write. |
95ea3627 ID |
42 | * BBP and RF register require indirect register access, |
43 | * and use the CSR registers BBPCSR and RFCSR to achieve this. | |
44 | * These indirect registers work with busy bits, | |
45 | * and we will try maximal REGISTER_BUSY_COUNT times to access | |
46 | * the register while taking a REGISTER_BUSY_DELAY us delay | |
47 | * between each attampt. When the busy bit is still set at that time, | |
48 | * the access attempt is considered to have failed, | |
49 | * and we will print an error. | |
50 | */ | |
c9c3b1a5 | 51 | #define WAIT_FOR_BBP(__dev, __reg) \ |
c517123a | 52 | rt2x00mmio_regbusy_read((__dev), BBPCSR, BBPCSR_BUSY, (__reg)) |
c9c3b1a5 | 53 | #define WAIT_FOR_RF(__dev, __reg) \ |
c517123a | 54 | rt2x00mmio_regbusy_read((__dev), RFCSR, RFCSR_BUSY, (__reg)) |
95ea3627 | 55 | |
0e14f6d3 | 56 | static void rt2500pci_bbp_write(struct rt2x00_dev *rt2x00dev, |
95ea3627 ID |
57 | const unsigned int word, const u8 value) |
58 | { | |
59 | u32 reg; | |
60 | ||
8ff48a8b ID |
61 | mutex_lock(&rt2x00dev->csr_mutex); |
62 | ||
95ea3627 | 63 | /* |
c9c3b1a5 ID |
64 | * Wait until the BBP becomes available, afterwards we |
65 | * can safely write the new data into the register. | |
95ea3627 | 66 | */ |
c9c3b1a5 ID |
67 | if (WAIT_FOR_BBP(rt2x00dev, ®)) { |
68 | reg = 0; | |
69 | rt2x00_set_field32(®, BBPCSR_VALUE, value); | |
70 | rt2x00_set_field32(®, BBPCSR_REGNUM, word); | |
71 | rt2x00_set_field32(®, BBPCSR_BUSY, 1); | |
72 | rt2x00_set_field32(®, BBPCSR_WRITE_CONTROL, 1); | |
73 | ||
c517123a | 74 | rt2x00mmio_register_write(rt2x00dev, BBPCSR, reg); |
c9c3b1a5 | 75 | } |
8ff48a8b | 76 | |
8ff48a8b | 77 | mutex_unlock(&rt2x00dev->csr_mutex); |
95ea3627 ID |
78 | } |
79 | ||
0e14f6d3 | 80 | static void rt2500pci_bbp_read(struct rt2x00_dev *rt2x00dev, |
95ea3627 ID |
81 | const unsigned int word, u8 *value) |
82 | { | |
83 | u32 reg; | |
84 | ||
8ff48a8b ID |
85 | mutex_lock(&rt2x00dev->csr_mutex); |
86 | ||
95ea3627 | 87 | /* |
c9c3b1a5 ID |
88 | * Wait until the BBP becomes available, afterwards we |
89 | * can safely write the read request into the register. | |
90 | * After the data has been written, we wait until hardware | |
91 | * returns the correct value, if at any time the register | |
92 | * doesn't become available in time, reg will be 0xffffffff | |
93 | * which means we return 0xff to the caller. | |
95ea3627 | 94 | */ |
c9c3b1a5 ID |
95 | if (WAIT_FOR_BBP(rt2x00dev, ®)) { |
96 | reg = 0; | |
97 | rt2x00_set_field32(®, BBPCSR_REGNUM, word); | |
98 | rt2x00_set_field32(®, BBPCSR_BUSY, 1); | |
99 | rt2x00_set_field32(®, BBPCSR_WRITE_CONTROL, 0); | |
95ea3627 | 100 | |
c517123a | 101 | rt2x00mmio_register_write(rt2x00dev, BBPCSR, reg); |
95ea3627 | 102 | |
c9c3b1a5 ID |
103 | WAIT_FOR_BBP(rt2x00dev, ®); |
104 | } | |
95ea3627 ID |
105 | |
106 | *value = rt2x00_get_field32(reg, BBPCSR_VALUE); | |
8ff48a8b ID |
107 | |
108 | mutex_unlock(&rt2x00dev->csr_mutex); | |
95ea3627 ID |
109 | } |
110 | ||
0e14f6d3 | 111 | static void rt2500pci_rf_write(struct rt2x00_dev *rt2x00dev, |
95ea3627 ID |
112 | const unsigned int word, const u32 value) |
113 | { | |
114 | u32 reg; | |
95ea3627 | 115 | |
8ff48a8b ID |
116 | mutex_lock(&rt2x00dev->csr_mutex); |
117 | ||
c9c3b1a5 ID |
118 | /* |
119 | * Wait until the RF becomes available, afterwards we | |
120 | * can safely write the new data into the register. | |
121 | */ | |
122 | if (WAIT_FOR_RF(rt2x00dev, ®)) { | |
123 | reg = 0; | |
124 | rt2x00_set_field32(®, RFCSR_VALUE, value); | |
125 | rt2x00_set_field32(®, RFCSR_NUMBER_OF_BITS, 20); | |
126 | rt2x00_set_field32(®, RFCSR_IF_SELECT, 0); | |
127 | rt2x00_set_field32(®, RFCSR_BUSY, 1); | |
128 | ||
c517123a | 129 | rt2x00mmio_register_write(rt2x00dev, RFCSR, reg); |
c9c3b1a5 | 130 | rt2x00_rf_write(rt2x00dev, word, value); |
95ea3627 ID |
131 | } |
132 | ||
8ff48a8b | 133 | mutex_unlock(&rt2x00dev->csr_mutex); |
95ea3627 ID |
134 | } |
135 | ||
136 | static void rt2500pci_eepromregister_read(struct eeprom_93cx6 *eeprom) | |
137 | { | |
138 | struct rt2x00_dev *rt2x00dev = eeprom->data; | |
139 | u32 reg; | |
140 | ||
c517123a | 141 | rt2x00mmio_register_read(rt2x00dev, CSR21, ®); |
95ea3627 ID |
142 | |
143 | eeprom->reg_data_in = !!rt2x00_get_field32(reg, CSR21_EEPROM_DATA_IN); | |
144 | eeprom->reg_data_out = !!rt2x00_get_field32(reg, CSR21_EEPROM_DATA_OUT); | |
145 | eeprom->reg_data_clock = | |
146 | !!rt2x00_get_field32(reg, CSR21_EEPROM_DATA_CLOCK); | |
147 | eeprom->reg_chip_select = | |
148 | !!rt2x00_get_field32(reg, CSR21_EEPROM_CHIP_SELECT); | |
149 | } | |
150 | ||
151 | static void rt2500pci_eepromregister_write(struct eeprom_93cx6 *eeprom) | |
152 | { | |
153 | struct rt2x00_dev *rt2x00dev = eeprom->data; | |
154 | u32 reg = 0; | |
155 | ||
156 | rt2x00_set_field32(®, CSR21_EEPROM_DATA_IN, !!eeprom->reg_data_in); | |
157 | rt2x00_set_field32(®, CSR21_EEPROM_DATA_OUT, !!eeprom->reg_data_out); | |
158 | rt2x00_set_field32(®, CSR21_EEPROM_DATA_CLOCK, | |
159 | !!eeprom->reg_data_clock); | |
160 | rt2x00_set_field32(®, CSR21_EEPROM_CHIP_SELECT, | |
161 | !!eeprom->reg_chip_select); | |
162 | ||
c517123a | 163 | rt2x00mmio_register_write(rt2x00dev, CSR21, reg); |
95ea3627 ID |
164 | } |
165 | ||
166 | #ifdef CONFIG_RT2X00_LIB_DEBUGFS | |
95ea3627 ID |
167 | static const struct rt2x00debug rt2500pci_rt2x00debug = { |
168 | .owner = THIS_MODULE, | |
169 | .csr = { | |
c517123a GJ |
170 | .read = rt2x00mmio_register_read, |
171 | .write = rt2x00mmio_register_write, | |
743b97ca ID |
172 | .flags = RT2X00DEBUGFS_OFFSET, |
173 | .word_base = CSR_REG_BASE, | |
95ea3627 ID |
174 | .word_size = sizeof(u32), |
175 | .word_count = CSR_REG_SIZE / sizeof(u32), | |
176 | }, | |
177 | .eeprom = { | |
178 | .read = rt2x00_eeprom_read, | |
179 | .write = rt2x00_eeprom_write, | |
743b97ca | 180 | .word_base = EEPROM_BASE, |
95ea3627 ID |
181 | .word_size = sizeof(u16), |
182 | .word_count = EEPROM_SIZE / sizeof(u16), | |
183 | }, | |
184 | .bbp = { | |
185 | .read = rt2500pci_bbp_read, | |
186 | .write = rt2500pci_bbp_write, | |
743b97ca | 187 | .word_base = BBP_BASE, |
95ea3627 ID |
188 | .word_size = sizeof(u8), |
189 | .word_count = BBP_SIZE / sizeof(u8), | |
190 | }, | |
191 | .rf = { | |
192 | .read = rt2x00_rf_read, | |
193 | .write = rt2500pci_rf_write, | |
743b97ca | 194 | .word_base = RF_BASE, |
95ea3627 ID |
195 | .word_size = sizeof(u32), |
196 | .word_count = RF_SIZE / sizeof(u32), | |
197 | }, | |
198 | }; | |
199 | #endif /* CONFIG_RT2X00_LIB_DEBUGFS */ | |
200 | ||
95ea3627 ID |
201 | static int rt2500pci_rfkill_poll(struct rt2x00_dev *rt2x00dev) |
202 | { | |
203 | u32 reg; | |
204 | ||
c517123a | 205 | rt2x00mmio_register_read(rt2x00dev, GPIOCSR, ®); |
99bdf51a | 206 | return rt2x00_get_field32(reg, GPIOCSR_VAL0); |
95ea3627 | 207 | } |
95ea3627 | 208 | |
771fd565 | 209 | #ifdef CONFIG_RT2X00_LIB_LEDS |
a2e1d52a | 210 | static void rt2500pci_brightness_set(struct led_classdev *led_cdev, |
a9450b70 ID |
211 | enum led_brightness brightness) |
212 | { | |
213 | struct rt2x00_led *led = | |
214 | container_of(led_cdev, struct rt2x00_led, led_dev); | |
215 | unsigned int enabled = brightness != LED_OFF; | |
a9450b70 ID |
216 | u32 reg; |
217 | ||
c517123a | 218 | rt2x00mmio_register_read(led->rt2x00dev, LEDCSR, ®); |
a9450b70 | 219 | |
a2e1d52a | 220 | if (led->type == LED_TYPE_RADIO || led->type == LED_TYPE_ASSOC) |
a9450b70 | 221 | rt2x00_set_field32(®, LEDCSR_LINK, enabled); |
a2e1d52a ID |
222 | else if (led->type == LED_TYPE_ACTIVITY) |
223 | rt2x00_set_field32(®, LEDCSR_ACTIVITY, enabled); | |
a9450b70 | 224 | |
c517123a | 225 | rt2x00mmio_register_write(led->rt2x00dev, LEDCSR, reg); |
a9450b70 | 226 | } |
a2e1d52a ID |
227 | |
228 | static int rt2500pci_blink_set(struct led_classdev *led_cdev, | |
229 | unsigned long *delay_on, | |
230 | unsigned long *delay_off) | |
231 | { | |
232 | struct rt2x00_led *led = | |
233 | container_of(led_cdev, struct rt2x00_led, led_dev); | |
234 | u32 reg; | |
235 | ||
c517123a | 236 | rt2x00mmio_register_read(led->rt2x00dev, LEDCSR, ®); |
a2e1d52a ID |
237 | rt2x00_set_field32(®, LEDCSR_ON_PERIOD, *delay_on); |
238 | rt2x00_set_field32(®, LEDCSR_OFF_PERIOD, *delay_off); | |
c517123a | 239 | rt2x00mmio_register_write(led->rt2x00dev, LEDCSR, reg); |
a2e1d52a ID |
240 | |
241 | return 0; | |
242 | } | |
475433be ID |
243 | |
244 | static void rt2500pci_init_led(struct rt2x00_dev *rt2x00dev, | |
245 | struct rt2x00_led *led, | |
246 | enum led_type type) | |
247 | { | |
248 | led->rt2x00dev = rt2x00dev; | |
249 | led->type = type; | |
250 | led->led_dev.brightness_set = rt2500pci_brightness_set; | |
251 | led->led_dev.blink_set = rt2500pci_blink_set; | |
252 | led->flags = LED_INITIALIZED; | |
253 | } | |
771fd565 | 254 | #endif /* CONFIG_RT2X00_LIB_LEDS */ |
a9450b70 | 255 | |
95ea3627 ID |
256 | /* |
257 | * Configuration handlers. | |
258 | */ | |
3a643d24 ID |
259 | static void rt2500pci_config_filter(struct rt2x00_dev *rt2x00dev, |
260 | const unsigned int filter_flags) | |
261 | { | |
262 | u32 reg; | |
263 | ||
264 | /* | |
265 | * Start configuration steps. | |
266 | * Note that the version error will always be dropped | |
267 | * and broadcast frames will always be accepted since | |
268 | * there is no filter for it at this time. | |
269 | */ | |
c517123a | 270 | rt2x00mmio_register_read(rt2x00dev, RXCSR0, ®); |
3a643d24 ID |
271 | rt2x00_set_field32(®, RXCSR0_DROP_CRC, |
272 | !(filter_flags & FIF_FCSFAIL)); | |
273 | rt2x00_set_field32(®, RXCSR0_DROP_PHYSICAL, | |
274 | !(filter_flags & FIF_PLCPFAIL)); | |
275 | rt2x00_set_field32(®, RXCSR0_DROP_CONTROL, | |
276 | !(filter_flags & FIF_CONTROL)); | |
277 | rt2x00_set_field32(®, RXCSR0_DROP_NOT_TO_ME, | |
278 | !(filter_flags & FIF_PROMISC_IN_BSS)); | |
279 | rt2x00_set_field32(®, RXCSR0_DROP_TODS, | |
e0b005fa ID |
280 | !(filter_flags & FIF_PROMISC_IN_BSS) && |
281 | !rt2x00dev->intf_ap_count); | |
3a643d24 ID |
282 | rt2x00_set_field32(®, RXCSR0_DROP_VERSION_ERROR, 1); |
283 | rt2x00_set_field32(®, RXCSR0_DROP_MCAST, | |
284 | !(filter_flags & FIF_ALLMULTI)); | |
285 | rt2x00_set_field32(®, RXCSR0_DROP_BCAST, 0); | |
c517123a | 286 | rt2x00mmio_register_write(rt2x00dev, RXCSR0, reg); |
3a643d24 ID |
287 | } |
288 | ||
6bb40dd1 ID |
289 | static void rt2500pci_config_intf(struct rt2x00_dev *rt2x00dev, |
290 | struct rt2x00_intf *intf, | |
291 | struct rt2x00intf_conf *conf, | |
292 | const unsigned int flags) | |
95ea3627 | 293 | { |
a2440830 | 294 | struct data_queue *queue = rt2x00dev->bcn; |
6bb40dd1 | 295 | unsigned int bcn_preload; |
95ea3627 ID |
296 | u32 reg; |
297 | ||
6bb40dd1 | 298 | if (flags & CONFIG_UPDATE_TYPE) { |
6bb40dd1 ID |
299 | /* |
300 | * Enable beacon config | |
301 | */ | |
bad13639 | 302 | bcn_preload = PREAMBLE + GET_DURATION(IEEE80211_HEADER, 20); |
c517123a | 303 | rt2x00mmio_register_read(rt2x00dev, BCNCSR1, ®); |
6bb40dd1 ID |
304 | rt2x00_set_field32(®, BCNCSR1_PRELOAD, bcn_preload); |
305 | rt2x00_set_field32(®, BCNCSR1_BEACON_CWMIN, queue->cw_min); | |
c517123a | 306 | rt2x00mmio_register_write(rt2x00dev, BCNCSR1, reg); |
95ea3627 | 307 | |
6bb40dd1 ID |
308 | /* |
309 | * Enable synchronisation. | |
310 | */ | |
c517123a | 311 | rt2x00mmio_register_read(rt2x00dev, CSR14, ®); |
6bb40dd1 | 312 | rt2x00_set_field32(®, CSR14_TSF_SYNC, conf->sync); |
c517123a | 313 | rt2x00mmio_register_write(rt2x00dev, CSR14, reg); |
6bb40dd1 ID |
314 | } |
315 | ||
316 | if (flags & CONFIG_UPDATE_MAC) | |
c517123a | 317 | rt2x00mmio_register_multiwrite(rt2x00dev, CSR3, |
6bb40dd1 ID |
318 | conf->mac, sizeof(conf->mac)); |
319 | ||
320 | if (flags & CONFIG_UPDATE_BSSID) | |
c517123a | 321 | rt2x00mmio_register_multiwrite(rt2x00dev, CSR5, |
6bb40dd1 | 322 | conf->bssid, sizeof(conf->bssid)); |
95ea3627 ID |
323 | } |
324 | ||
3a643d24 | 325 | static void rt2500pci_config_erp(struct rt2x00_dev *rt2x00dev, |
02044643 HS |
326 | struct rt2x00lib_erp *erp, |
327 | u32 changed) | |
95ea3627 | 328 | { |
5c58ee51 | 329 | int preamble_mask; |
95ea3627 | 330 | u32 reg; |
95ea3627 | 331 | |
5c58ee51 ID |
332 | /* |
333 | * When short preamble is enabled, we should set bit 0x08 | |
334 | */ | |
02044643 HS |
335 | if (changed & BSS_CHANGED_ERP_PREAMBLE) { |
336 | preamble_mask = erp->short_preamble << 3; | |
337 | ||
c517123a | 338 | rt2x00mmio_register_read(rt2x00dev, TXCSR1, ®); |
02044643 HS |
339 | rt2x00_set_field32(®, TXCSR1_ACK_TIMEOUT, 0x162); |
340 | rt2x00_set_field32(®, TXCSR1_ACK_CONSUME_TIME, 0xa2); | |
341 | rt2x00_set_field32(®, TXCSR1_TSF_OFFSET, IEEE80211_HEADER); | |
342 | rt2x00_set_field32(®, TXCSR1_AUTORESPONDER, 1); | |
c517123a | 343 | rt2x00mmio_register_write(rt2x00dev, TXCSR1, reg); |
02044643 | 344 | |
c517123a | 345 | rt2x00mmio_register_read(rt2x00dev, ARCSR2, ®); |
02044643 HS |
346 | rt2x00_set_field32(®, ARCSR2_SIGNAL, 0x00); |
347 | rt2x00_set_field32(®, ARCSR2_SERVICE, 0x04); | |
348 | rt2x00_set_field32(®, ARCSR2_LENGTH, | |
349 | GET_DURATION(ACK_SIZE, 10)); | |
c517123a | 350 | rt2x00mmio_register_write(rt2x00dev, ARCSR2, reg); |
02044643 | 351 | |
c517123a | 352 | rt2x00mmio_register_read(rt2x00dev, ARCSR3, ®); |
02044643 HS |
353 | rt2x00_set_field32(®, ARCSR3_SIGNAL, 0x01 | preamble_mask); |
354 | rt2x00_set_field32(®, ARCSR3_SERVICE, 0x04); | |
355 | rt2x00_set_field32(®, ARCSR2_LENGTH, | |
356 | GET_DURATION(ACK_SIZE, 20)); | |
c517123a | 357 | rt2x00mmio_register_write(rt2x00dev, ARCSR3, reg); |
02044643 | 358 | |
c517123a | 359 | rt2x00mmio_register_read(rt2x00dev, ARCSR4, ®); |
02044643 HS |
360 | rt2x00_set_field32(®, ARCSR4_SIGNAL, 0x02 | preamble_mask); |
361 | rt2x00_set_field32(®, ARCSR4_SERVICE, 0x04); | |
362 | rt2x00_set_field32(®, ARCSR2_LENGTH, | |
363 | GET_DURATION(ACK_SIZE, 55)); | |
c517123a | 364 | rt2x00mmio_register_write(rt2x00dev, ARCSR4, reg); |
02044643 | 365 | |
c517123a | 366 | rt2x00mmio_register_read(rt2x00dev, ARCSR5, ®); |
02044643 HS |
367 | rt2x00_set_field32(®, ARCSR5_SIGNAL, 0x03 | preamble_mask); |
368 | rt2x00_set_field32(®, ARCSR5_SERVICE, 0x84); | |
369 | rt2x00_set_field32(®, ARCSR2_LENGTH, | |
370 | GET_DURATION(ACK_SIZE, 110)); | |
c517123a | 371 | rt2x00mmio_register_write(rt2x00dev, ARCSR5, reg); |
02044643 HS |
372 | } |
373 | ||
374 | if (changed & BSS_CHANGED_BASIC_RATES) | |
c517123a | 375 | rt2x00mmio_register_write(rt2x00dev, ARCSR1, erp->basic_rates); |
02044643 HS |
376 | |
377 | if (changed & BSS_CHANGED_ERP_SLOT) { | |
c517123a | 378 | rt2x00mmio_register_read(rt2x00dev, CSR11, ®); |
02044643 | 379 | rt2x00_set_field32(®, CSR11_SLOT_TIME, erp->slot_time); |
c517123a | 380 | rt2x00mmio_register_write(rt2x00dev, CSR11, reg); |
02044643 | 381 | |
c517123a | 382 | rt2x00mmio_register_read(rt2x00dev, CSR18, ®); |
02044643 HS |
383 | rt2x00_set_field32(®, CSR18_SIFS, erp->sifs); |
384 | rt2x00_set_field32(®, CSR18_PIFS, erp->pifs); | |
c517123a | 385 | rt2x00mmio_register_write(rt2x00dev, CSR18, reg); |
02044643 | 386 | |
c517123a | 387 | rt2x00mmio_register_read(rt2x00dev, CSR19, ®); |
02044643 HS |
388 | rt2x00_set_field32(®, CSR19_DIFS, erp->difs); |
389 | rt2x00_set_field32(®, CSR19_EIFS, erp->eifs); | |
c517123a | 390 | rt2x00mmio_register_write(rt2x00dev, CSR19, reg); |
02044643 HS |
391 | } |
392 | ||
393 | if (changed & BSS_CHANGED_BEACON_INT) { | |
c517123a | 394 | rt2x00mmio_register_read(rt2x00dev, CSR12, ®); |
02044643 HS |
395 | rt2x00_set_field32(®, CSR12_BEACON_INTERVAL, |
396 | erp->beacon_int * 16); | |
397 | rt2x00_set_field32(®, CSR12_CFP_MAX_DURATION, | |
398 | erp->beacon_int * 16); | |
c517123a | 399 | rt2x00mmio_register_write(rt2x00dev, CSR12, reg); |
02044643 HS |
400 | } |
401 | ||
95ea3627 ID |
402 | } |
403 | ||
e4ea1c40 ID |
404 | static void rt2500pci_config_ant(struct rt2x00_dev *rt2x00dev, |
405 | struct antenna_setup *ant) | |
95ea3627 | 406 | { |
e4ea1c40 ID |
407 | u32 reg; |
408 | u8 r14; | |
409 | u8 r2; | |
410 | ||
411 | /* | |
412 | * We should never come here because rt2x00lib is supposed | |
413 | * to catch this and send us the correct antenna explicitely. | |
414 | */ | |
415 | BUG_ON(ant->rx == ANTENNA_SW_DIVERSITY || | |
416 | ant->tx == ANTENNA_SW_DIVERSITY); | |
417 | ||
c517123a | 418 | rt2x00mmio_register_read(rt2x00dev, BBPCSR1, ®); |
e4ea1c40 ID |
419 | rt2500pci_bbp_read(rt2x00dev, 14, &r14); |
420 | rt2500pci_bbp_read(rt2x00dev, 2, &r2); | |
421 | ||
422 | /* | |
423 | * Configure the TX antenna. | |
424 | */ | |
425 | switch (ant->tx) { | |
426 | case ANTENNA_A: | |
427 | rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 0); | |
428 | rt2x00_set_field32(®, BBPCSR1_CCK, 0); | |
429 | rt2x00_set_field32(®, BBPCSR1_OFDM, 0); | |
430 | break; | |
431 | case ANTENNA_B: | |
432 | default: | |
433 | rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 2); | |
434 | rt2x00_set_field32(®, BBPCSR1_CCK, 2); | |
435 | rt2x00_set_field32(®, BBPCSR1_OFDM, 2); | |
436 | break; | |
437 | } | |
438 | ||
439 | /* | |
440 | * Configure the RX antenna. | |
441 | */ | |
442 | switch (ant->rx) { | |
443 | case ANTENNA_A: | |
444 | rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 0); | |
445 | break; | |
446 | case ANTENNA_B: | |
447 | default: | |
448 | rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 2); | |
449 | break; | |
450 | } | |
451 | ||
452 | /* | |
453 | * RT2525E and RT5222 need to flip TX I/Q | |
454 | */ | |
5122d898 | 455 | if (rt2x00_rf(rt2x00dev, RF2525E) || rt2x00_rf(rt2x00dev, RF5222)) { |
e4ea1c40 ID |
456 | rt2x00_set_field8(&r2, BBP_R2_TX_IQ_FLIP, 1); |
457 | rt2x00_set_field32(®, BBPCSR1_CCK_FLIP, 1); | |
458 | rt2x00_set_field32(®, BBPCSR1_OFDM_FLIP, 1); | |
459 | ||
460 | /* | |
461 | * RT2525E does not need RX I/Q Flip. | |
462 | */ | |
5122d898 | 463 | if (rt2x00_rf(rt2x00dev, RF2525E)) |
e4ea1c40 ID |
464 | rt2x00_set_field8(&r14, BBP_R14_RX_IQ_FLIP, 0); |
465 | } else { | |
466 | rt2x00_set_field32(®, BBPCSR1_CCK_FLIP, 0); | |
467 | rt2x00_set_field32(®, BBPCSR1_OFDM_FLIP, 0); | |
468 | } | |
469 | ||
c517123a | 470 | rt2x00mmio_register_write(rt2x00dev, BBPCSR1, reg); |
e4ea1c40 ID |
471 | rt2500pci_bbp_write(rt2x00dev, 14, r14); |
472 | rt2500pci_bbp_write(rt2x00dev, 2, r2); | |
95ea3627 ID |
473 | } |
474 | ||
475 | static void rt2500pci_config_channel(struct rt2x00_dev *rt2x00dev, | |
5c58ee51 | 476 | struct rf_channel *rf, const int txpower) |
95ea3627 | 477 | { |
95ea3627 ID |
478 | u8 r70; |
479 | ||
95ea3627 ID |
480 | /* |
481 | * Set TXpower. | |
482 | */ | |
5c58ee51 | 483 | rt2x00_set_field32(&rf->rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower)); |
95ea3627 ID |
484 | |
485 | /* | |
486 | * Switch on tuning bits. | |
487 | * For RT2523 devices we do not need to update the R1 register. | |
488 | */ | |
5122d898 | 489 | if (!rt2x00_rf(rt2x00dev, RF2523)) |
5c58ee51 ID |
490 | rt2x00_set_field32(&rf->rf1, RF1_TUNER, 1); |
491 | rt2x00_set_field32(&rf->rf3, RF3_TUNER, 1); | |
95ea3627 ID |
492 | |
493 | /* | |
494 | * For RT2525 we should first set the channel to half band higher. | |
495 | */ | |
5122d898 | 496 | if (rt2x00_rf(rt2x00dev, RF2525)) { |
95ea3627 ID |
497 | static const u32 vals[] = { |
498 | 0x00080cbe, 0x00080d02, 0x00080d06, 0x00080d0a, | |
499 | 0x00080d0e, 0x00080d12, 0x00080d16, 0x00080d1a, | |
500 | 0x00080d1e, 0x00080d22, 0x00080d26, 0x00080d2a, | |
501 | 0x00080d2e, 0x00080d3a | |
502 | }; | |
503 | ||
5c58ee51 ID |
504 | rt2500pci_rf_write(rt2x00dev, 1, rf->rf1); |
505 | rt2500pci_rf_write(rt2x00dev, 2, vals[rf->channel - 1]); | |
506 | rt2500pci_rf_write(rt2x00dev, 3, rf->rf3); | |
507 | if (rf->rf4) | |
508 | rt2500pci_rf_write(rt2x00dev, 4, rf->rf4); | |
95ea3627 ID |
509 | } |
510 | ||
5c58ee51 ID |
511 | rt2500pci_rf_write(rt2x00dev, 1, rf->rf1); |
512 | rt2500pci_rf_write(rt2x00dev, 2, rf->rf2); | |
513 | rt2500pci_rf_write(rt2x00dev, 3, rf->rf3); | |
514 | if (rf->rf4) | |
515 | rt2500pci_rf_write(rt2x00dev, 4, rf->rf4); | |
95ea3627 ID |
516 | |
517 | /* | |
518 | * Channel 14 requires the Japan filter bit to be set. | |
519 | */ | |
520 | r70 = 0x46; | |
5c58ee51 | 521 | rt2x00_set_field8(&r70, BBP_R70_JAPAN_FILTER, rf->channel == 14); |
95ea3627 ID |
522 | rt2500pci_bbp_write(rt2x00dev, 70, r70); |
523 | ||
524 | msleep(1); | |
525 | ||
526 | /* | |
527 | * Switch off tuning bits. | |
528 | * For RT2523 devices we do not need to update the R1 register. | |
529 | */ | |
5122d898 | 530 | if (!rt2x00_rf(rt2x00dev, RF2523)) { |
5c58ee51 ID |
531 | rt2x00_set_field32(&rf->rf1, RF1_TUNER, 0); |
532 | rt2500pci_rf_write(rt2x00dev, 1, rf->rf1); | |
95ea3627 ID |
533 | } |
534 | ||
5c58ee51 ID |
535 | rt2x00_set_field32(&rf->rf3, RF3_TUNER, 0); |
536 | rt2500pci_rf_write(rt2x00dev, 3, rf->rf3); | |
95ea3627 ID |
537 | |
538 | /* | |
539 | * Clear false CRC during channel switch. | |
540 | */ | |
c517123a | 541 | rt2x00mmio_register_read(rt2x00dev, CNT0, &rf->rf1); |
95ea3627 ID |
542 | } |
543 | ||
544 | static void rt2500pci_config_txpower(struct rt2x00_dev *rt2x00dev, | |
545 | const int txpower) | |
546 | { | |
547 | u32 rf3; | |
548 | ||
549 | rt2x00_rf_read(rt2x00dev, 3, &rf3); | |
550 | rt2x00_set_field32(&rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower)); | |
551 | rt2500pci_rf_write(rt2x00dev, 3, rf3); | |
552 | } | |
553 | ||
e4ea1c40 ID |
554 | static void rt2500pci_config_retry_limit(struct rt2x00_dev *rt2x00dev, |
555 | struct rt2x00lib_conf *libconf) | |
95ea3627 ID |
556 | { |
557 | u32 reg; | |
95ea3627 | 558 | |
c517123a | 559 | rt2x00mmio_register_read(rt2x00dev, CSR11, ®); |
e4ea1c40 ID |
560 | rt2x00_set_field32(®, CSR11_LONG_RETRY, |
561 | libconf->conf->long_frame_max_tx_count); | |
562 | rt2x00_set_field32(®, CSR11_SHORT_RETRY, | |
563 | libconf->conf->short_frame_max_tx_count); | |
c517123a | 564 | rt2x00mmio_register_write(rt2x00dev, CSR11, reg); |
95ea3627 ID |
565 | } |
566 | ||
7d7f19cc ID |
567 | static void rt2500pci_config_ps(struct rt2x00_dev *rt2x00dev, |
568 | struct rt2x00lib_conf *libconf) | |
569 | { | |
570 | enum dev_state state = | |
571 | (libconf->conf->flags & IEEE80211_CONF_PS) ? | |
572 | STATE_SLEEP : STATE_AWAKE; | |
573 | u32 reg; | |
574 | ||
575 | if (state == STATE_SLEEP) { | |
c517123a | 576 | rt2x00mmio_register_read(rt2x00dev, CSR20, ®); |
7d7f19cc | 577 | rt2x00_set_field32(®, CSR20_DELAY_AFTER_TBCN, |
6b347bff | 578 | (rt2x00dev->beacon_int - 20) * 16); |
7d7f19cc ID |
579 | rt2x00_set_field32(®, CSR20_TBCN_BEFORE_WAKEUP, |
580 | libconf->conf->listen_interval - 1); | |
581 | ||
582 | /* We must first disable autowake before it can be enabled */ | |
583 | rt2x00_set_field32(®, CSR20_AUTOWAKE, 0); | |
c517123a | 584 | rt2x00mmio_register_write(rt2x00dev, CSR20, reg); |
7d7f19cc ID |
585 | |
586 | rt2x00_set_field32(®, CSR20_AUTOWAKE, 1); | |
c517123a | 587 | rt2x00mmio_register_write(rt2x00dev, CSR20, reg); |
5731858d | 588 | } else { |
c517123a | 589 | rt2x00mmio_register_read(rt2x00dev, CSR20, ®); |
5731858d | 590 | rt2x00_set_field32(®, CSR20_AUTOWAKE, 0); |
c517123a | 591 | rt2x00mmio_register_write(rt2x00dev, CSR20, reg); |
7d7f19cc ID |
592 | } |
593 | ||
594 | rt2x00dev->ops->lib->set_device_state(rt2x00dev, state); | |
595 | } | |
596 | ||
95ea3627 | 597 | static void rt2500pci_config(struct rt2x00_dev *rt2x00dev, |
6bb40dd1 ID |
598 | struct rt2x00lib_conf *libconf, |
599 | const unsigned int flags) | |
95ea3627 | 600 | { |
e4ea1c40 | 601 | if (flags & IEEE80211_CONF_CHANGE_CHANNEL) |
5c58ee51 ID |
602 | rt2500pci_config_channel(rt2x00dev, &libconf->rf, |
603 | libconf->conf->power_level); | |
e4ea1c40 ID |
604 | if ((flags & IEEE80211_CONF_CHANGE_POWER) && |
605 | !(flags & IEEE80211_CONF_CHANGE_CHANNEL)) | |
5c58ee51 ID |
606 | rt2500pci_config_txpower(rt2x00dev, |
607 | libconf->conf->power_level); | |
e4ea1c40 ID |
608 | if (flags & IEEE80211_CONF_CHANGE_RETRY_LIMITS) |
609 | rt2500pci_config_retry_limit(rt2x00dev, libconf); | |
7d7f19cc ID |
610 | if (flags & IEEE80211_CONF_CHANGE_PS) |
611 | rt2500pci_config_ps(rt2x00dev, libconf); | |
95ea3627 ID |
612 | } |
613 | ||
95ea3627 ID |
614 | /* |
615 | * Link tuning | |
616 | */ | |
ebcf26da ID |
617 | static void rt2500pci_link_stats(struct rt2x00_dev *rt2x00dev, |
618 | struct link_qual *qual) | |
95ea3627 ID |
619 | { |
620 | u32 reg; | |
621 | ||
622 | /* | |
623 | * Update FCS error count from register. | |
624 | */ | |
c517123a | 625 | rt2x00mmio_register_read(rt2x00dev, CNT0, ®); |
ebcf26da | 626 | qual->rx_failed = rt2x00_get_field32(reg, CNT0_FCS_ERROR); |
95ea3627 ID |
627 | |
628 | /* | |
629 | * Update False CCA count from register. | |
630 | */ | |
c517123a | 631 | rt2x00mmio_register_read(rt2x00dev, CNT3, ®); |
ebcf26da | 632 | qual->false_cca = rt2x00_get_field32(reg, CNT3_FALSE_CCA); |
95ea3627 ID |
633 | } |
634 | ||
5352ff65 ID |
635 | static inline void rt2500pci_set_vgc(struct rt2x00_dev *rt2x00dev, |
636 | struct link_qual *qual, u8 vgc_level) | |
eb20b4e8 | 637 | { |
5352ff65 | 638 | if (qual->vgc_level_reg != vgc_level) { |
eb20b4e8 | 639 | rt2500pci_bbp_write(rt2x00dev, 17, vgc_level); |
223dcc26 | 640 | qual->vgc_level = vgc_level; |
5352ff65 | 641 | qual->vgc_level_reg = vgc_level; |
eb20b4e8 ID |
642 | } |
643 | } | |
644 | ||
5352ff65 ID |
645 | static void rt2500pci_reset_tuner(struct rt2x00_dev *rt2x00dev, |
646 | struct link_qual *qual) | |
95ea3627 | 647 | { |
5352ff65 | 648 | rt2500pci_set_vgc(rt2x00dev, qual, 0x48); |
95ea3627 ID |
649 | } |
650 | ||
5352ff65 ID |
651 | static void rt2500pci_link_tuner(struct rt2x00_dev *rt2x00dev, |
652 | struct link_qual *qual, const u32 count) | |
95ea3627 | 653 | { |
95ea3627 ID |
654 | /* |
655 | * To prevent collisions with MAC ASIC on chipsets | |
656 | * up to version C the link tuning should halt after 20 | |
6bb40dd1 | 657 | * seconds while being associated. |
95ea3627 | 658 | */ |
5122d898 | 659 | if (rt2x00_rev(rt2x00dev) < RT2560_VERSION_D && |
5352ff65 | 660 | rt2x00dev->intf_associated && count > 20) |
95ea3627 ID |
661 | return; |
662 | ||
95ea3627 ID |
663 | /* |
664 | * Chipset versions C and lower should directly continue | |
6bb40dd1 ID |
665 | * to the dynamic CCA tuning. Chipset version D and higher |
666 | * should go straight to dynamic CCA tuning when they | |
667 | * are not associated. | |
95ea3627 | 668 | */ |
5122d898 | 669 | if (rt2x00_rev(rt2x00dev) < RT2560_VERSION_D || |
6bb40dd1 | 670 | !rt2x00dev->intf_associated) |
95ea3627 ID |
671 | goto dynamic_cca_tune; |
672 | ||
673 | /* | |
674 | * A too low RSSI will cause too much false CCA which will | |
675 | * then corrupt the R17 tuning. To remidy this the tuning should | |
676 | * be stopped (While making sure the R17 value will not exceed limits) | |
677 | */ | |
5352ff65 ID |
678 | if (qual->rssi < -80 && count > 20) { |
679 | if (qual->vgc_level_reg >= 0x41) | |
680 | rt2500pci_set_vgc(rt2x00dev, qual, qual->vgc_level); | |
95ea3627 ID |
681 | return; |
682 | } | |
683 | ||
684 | /* | |
685 | * Special big-R17 for short distance | |
686 | */ | |
5352ff65 ID |
687 | if (qual->rssi >= -58) { |
688 | rt2500pci_set_vgc(rt2x00dev, qual, 0x50); | |
95ea3627 ID |
689 | return; |
690 | } | |
691 | ||
692 | /* | |
693 | * Special mid-R17 for middle distance | |
694 | */ | |
5352ff65 ID |
695 | if (qual->rssi >= -74) { |
696 | rt2500pci_set_vgc(rt2x00dev, qual, 0x41); | |
95ea3627 ID |
697 | return; |
698 | } | |
699 | ||
700 | /* | |
701 | * Leave short or middle distance condition, restore r17 | |
702 | * to the dynamic tuning range. | |
703 | */ | |
5352ff65 ID |
704 | if (qual->vgc_level_reg >= 0x41) { |
705 | rt2500pci_set_vgc(rt2x00dev, qual, qual->vgc_level); | |
95ea3627 ID |
706 | return; |
707 | } | |
708 | ||
709 | dynamic_cca_tune: | |
710 | ||
711 | /* | |
712 | * R17 is inside the dynamic tuning range, | |
713 | * start tuning the link based on the false cca counter. | |
714 | */ | |
223dcc26 | 715 | if (qual->false_cca > 512 && qual->vgc_level_reg < 0x40) |
5352ff65 | 716 | rt2500pci_set_vgc(rt2x00dev, qual, ++qual->vgc_level_reg); |
223dcc26 | 717 | else if (qual->false_cca < 100 && qual->vgc_level_reg > 0x32) |
5352ff65 | 718 | rt2500pci_set_vgc(rt2x00dev, qual, --qual->vgc_level_reg); |
95ea3627 ID |
719 | } |
720 | ||
5450b7e2 ID |
721 | /* |
722 | * Queue handlers. | |
723 | */ | |
724 | static void rt2500pci_start_queue(struct data_queue *queue) | |
725 | { | |
726 | struct rt2x00_dev *rt2x00dev = queue->rt2x00dev; | |
727 | u32 reg; | |
728 | ||
729 | switch (queue->qid) { | |
730 | case QID_RX: | |
c517123a | 731 | rt2x00mmio_register_read(rt2x00dev, RXCSR0, ®); |
5450b7e2 | 732 | rt2x00_set_field32(®, RXCSR0_DISABLE_RX, 0); |
c517123a | 733 | rt2x00mmio_register_write(rt2x00dev, RXCSR0, reg); |
5450b7e2 ID |
734 | break; |
735 | case QID_BEACON: | |
c517123a | 736 | rt2x00mmio_register_read(rt2x00dev, CSR14, ®); |
5450b7e2 ID |
737 | rt2x00_set_field32(®, CSR14_TSF_COUNT, 1); |
738 | rt2x00_set_field32(®, CSR14_TBCN, 1); | |
739 | rt2x00_set_field32(®, CSR14_BEACON_GEN, 1); | |
c517123a | 740 | rt2x00mmio_register_write(rt2x00dev, CSR14, reg); |
5450b7e2 ID |
741 | break; |
742 | default: | |
743 | break; | |
744 | } | |
745 | } | |
746 | ||
747 | static void rt2500pci_kick_queue(struct data_queue *queue) | |
748 | { | |
749 | struct rt2x00_dev *rt2x00dev = queue->rt2x00dev; | |
750 | u32 reg; | |
751 | ||
752 | switch (queue->qid) { | |
f615e9a3 | 753 | case QID_AC_VO: |
c517123a | 754 | rt2x00mmio_register_read(rt2x00dev, TXCSR0, ®); |
5450b7e2 | 755 | rt2x00_set_field32(®, TXCSR0_KICK_PRIO, 1); |
c517123a | 756 | rt2x00mmio_register_write(rt2x00dev, TXCSR0, reg); |
5450b7e2 | 757 | break; |
f615e9a3 | 758 | case QID_AC_VI: |
c517123a | 759 | rt2x00mmio_register_read(rt2x00dev, TXCSR0, ®); |
5450b7e2 | 760 | rt2x00_set_field32(®, TXCSR0_KICK_TX, 1); |
c517123a | 761 | rt2x00mmio_register_write(rt2x00dev, TXCSR0, reg); |
5450b7e2 ID |
762 | break; |
763 | case QID_ATIM: | |
c517123a | 764 | rt2x00mmio_register_read(rt2x00dev, TXCSR0, ®); |
5450b7e2 | 765 | rt2x00_set_field32(®, TXCSR0_KICK_ATIM, 1); |
c517123a | 766 | rt2x00mmio_register_write(rt2x00dev, TXCSR0, reg); |
5450b7e2 ID |
767 | break; |
768 | default: | |
769 | break; | |
770 | } | |
771 | } | |
772 | ||
773 | static void rt2500pci_stop_queue(struct data_queue *queue) | |
774 | { | |
775 | struct rt2x00_dev *rt2x00dev = queue->rt2x00dev; | |
776 | u32 reg; | |
777 | ||
778 | switch (queue->qid) { | |
f615e9a3 ID |
779 | case QID_AC_VO: |
780 | case QID_AC_VI: | |
5450b7e2 | 781 | case QID_ATIM: |
c517123a | 782 | rt2x00mmio_register_read(rt2x00dev, TXCSR0, ®); |
5450b7e2 | 783 | rt2x00_set_field32(®, TXCSR0_ABORT, 1); |
c517123a | 784 | rt2x00mmio_register_write(rt2x00dev, TXCSR0, reg); |
5450b7e2 ID |
785 | break; |
786 | case QID_RX: | |
c517123a | 787 | rt2x00mmio_register_read(rt2x00dev, RXCSR0, ®); |
5450b7e2 | 788 | rt2x00_set_field32(®, RXCSR0_DISABLE_RX, 1); |
c517123a | 789 | rt2x00mmio_register_write(rt2x00dev, RXCSR0, reg); |
5450b7e2 ID |
790 | break; |
791 | case QID_BEACON: | |
c517123a | 792 | rt2x00mmio_register_read(rt2x00dev, CSR14, ®); |
5450b7e2 ID |
793 | rt2x00_set_field32(®, CSR14_TSF_COUNT, 0); |
794 | rt2x00_set_field32(®, CSR14_TBCN, 0); | |
795 | rt2x00_set_field32(®, CSR14_BEACON_GEN, 0); | |
c517123a | 796 | rt2x00mmio_register_write(rt2x00dev, CSR14, reg); |
16222a0d HS |
797 | |
798 | /* | |
799 | * Wait for possibly running tbtt tasklets. | |
800 | */ | |
abc11994 | 801 | tasklet_kill(&rt2x00dev->tbtt_tasklet); |
5450b7e2 ID |
802 | break; |
803 | default: | |
804 | break; | |
805 | } | |
806 | } | |
807 | ||
95ea3627 ID |
808 | /* |
809 | * Initialization functions. | |
810 | */ | |
798b7adb | 811 | static bool rt2500pci_get_entry_state(struct queue_entry *entry) |
95ea3627 | 812 | { |
c517123a | 813 | struct queue_entry_priv_mmio *entry_priv = entry->priv_data; |
95ea3627 ID |
814 | u32 word; |
815 | ||
798b7adb ID |
816 | if (entry->queue->qid == QID_RX) { |
817 | rt2x00_desc_read(entry_priv->desc, 0, &word); | |
818 | ||
819 | return rt2x00_get_field32(word, RXD_W0_OWNER_NIC); | |
820 | } else { | |
821 | rt2x00_desc_read(entry_priv->desc, 0, &word); | |
95ea3627 | 822 | |
798b7adb ID |
823 | return (rt2x00_get_field32(word, TXD_W0_OWNER_NIC) || |
824 | rt2x00_get_field32(word, TXD_W0_VALID)); | |
825 | } | |
95ea3627 ID |
826 | } |
827 | ||
798b7adb | 828 | static void rt2500pci_clear_entry(struct queue_entry *entry) |
95ea3627 | 829 | { |
c517123a | 830 | struct queue_entry_priv_mmio *entry_priv = entry->priv_data; |
798b7adb | 831 | struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); |
95ea3627 ID |
832 | u32 word; |
833 | ||
798b7adb ID |
834 | if (entry->queue->qid == QID_RX) { |
835 | rt2x00_desc_read(entry_priv->desc, 1, &word); | |
836 | rt2x00_set_field32(&word, RXD_W1_BUFFER_ADDRESS, skbdesc->skb_dma); | |
837 | rt2x00_desc_write(entry_priv->desc, 1, word); | |
838 | ||
839 | rt2x00_desc_read(entry_priv->desc, 0, &word); | |
840 | rt2x00_set_field32(&word, RXD_W0_OWNER_NIC, 1); | |
841 | rt2x00_desc_write(entry_priv->desc, 0, word); | |
842 | } else { | |
843 | rt2x00_desc_read(entry_priv->desc, 0, &word); | |
844 | rt2x00_set_field32(&word, TXD_W0_VALID, 0); | |
845 | rt2x00_set_field32(&word, TXD_W0_OWNER_NIC, 0); | |
846 | rt2x00_desc_write(entry_priv->desc, 0, word); | |
847 | } | |
95ea3627 ID |
848 | } |
849 | ||
181d6902 | 850 | static int rt2500pci_init_queues(struct rt2x00_dev *rt2x00dev) |
95ea3627 | 851 | { |
c517123a | 852 | struct queue_entry_priv_mmio *entry_priv; |
95ea3627 ID |
853 | u32 reg; |
854 | ||
95ea3627 ID |
855 | /* |
856 | * Initialize registers. | |
857 | */ | |
c517123a | 858 | rt2x00mmio_register_read(rt2x00dev, TXCSR2, ®); |
181d6902 ID |
859 | rt2x00_set_field32(®, TXCSR2_TXD_SIZE, rt2x00dev->tx[0].desc_size); |
860 | rt2x00_set_field32(®, TXCSR2_NUM_TXD, rt2x00dev->tx[1].limit); | |
e74df4a7 | 861 | rt2x00_set_field32(®, TXCSR2_NUM_ATIM, rt2x00dev->atim->limit); |
181d6902 | 862 | rt2x00_set_field32(®, TXCSR2_NUM_PRIO, rt2x00dev->tx[0].limit); |
c517123a | 863 | rt2x00mmio_register_write(rt2x00dev, TXCSR2, reg); |
95ea3627 | 864 | |
b8be63ff | 865 | entry_priv = rt2x00dev->tx[1].entries[0].priv_data; |
c517123a | 866 | rt2x00mmio_register_read(rt2x00dev, TXCSR3, ®); |
30b3a23c | 867 | rt2x00_set_field32(®, TXCSR3_TX_RING_REGISTER, |
b8be63ff | 868 | entry_priv->desc_dma); |
c517123a | 869 | rt2x00mmio_register_write(rt2x00dev, TXCSR3, reg); |
95ea3627 | 870 | |
b8be63ff | 871 | entry_priv = rt2x00dev->tx[0].entries[0].priv_data; |
c517123a | 872 | rt2x00mmio_register_read(rt2x00dev, TXCSR5, ®); |
30b3a23c | 873 | rt2x00_set_field32(®, TXCSR5_PRIO_RING_REGISTER, |
b8be63ff | 874 | entry_priv->desc_dma); |
c517123a | 875 | rt2x00mmio_register_write(rt2x00dev, TXCSR5, reg); |
95ea3627 | 876 | |
e74df4a7 | 877 | entry_priv = rt2x00dev->atim->entries[0].priv_data; |
c517123a | 878 | rt2x00mmio_register_read(rt2x00dev, TXCSR4, ®); |
30b3a23c | 879 | rt2x00_set_field32(®, TXCSR4_ATIM_RING_REGISTER, |
b8be63ff | 880 | entry_priv->desc_dma); |
c517123a | 881 | rt2x00mmio_register_write(rt2x00dev, TXCSR4, reg); |
95ea3627 | 882 | |
e74df4a7 | 883 | entry_priv = rt2x00dev->bcn->entries[0].priv_data; |
c517123a | 884 | rt2x00mmio_register_read(rt2x00dev, TXCSR6, ®); |
30b3a23c | 885 | rt2x00_set_field32(®, TXCSR6_BEACON_RING_REGISTER, |
b8be63ff | 886 | entry_priv->desc_dma); |
c517123a | 887 | rt2x00mmio_register_write(rt2x00dev, TXCSR6, reg); |
95ea3627 | 888 | |
c517123a | 889 | rt2x00mmio_register_read(rt2x00dev, RXCSR1, ®); |
95ea3627 | 890 | rt2x00_set_field32(®, RXCSR1_RXD_SIZE, rt2x00dev->rx->desc_size); |
181d6902 | 891 | rt2x00_set_field32(®, RXCSR1_NUM_RXD, rt2x00dev->rx->limit); |
c517123a | 892 | rt2x00mmio_register_write(rt2x00dev, RXCSR1, reg); |
95ea3627 | 893 | |
b8be63ff | 894 | entry_priv = rt2x00dev->rx->entries[0].priv_data; |
c517123a | 895 | rt2x00mmio_register_read(rt2x00dev, RXCSR2, ®); |
b8be63ff ID |
896 | rt2x00_set_field32(®, RXCSR2_RX_RING_REGISTER, |
897 | entry_priv->desc_dma); | |
c517123a | 898 | rt2x00mmio_register_write(rt2x00dev, RXCSR2, reg); |
95ea3627 ID |
899 | |
900 | return 0; | |
901 | } | |
902 | ||
903 | static int rt2500pci_init_registers(struct rt2x00_dev *rt2x00dev) | |
904 | { | |
905 | u32 reg; | |
906 | ||
c517123a GJ |
907 | rt2x00mmio_register_write(rt2x00dev, PSCSR0, 0x00020002); |
908 | rt2x00mmio_register_write(rt2x00dev, PSCSR1, 0x00000002); | |
909 | rt2x00mmio_register_write(rt2x00dev, PSCSR2, 0x00020002); | |
910 | rt2x00mmio_register_write(rt2x00dev, PSCSR3, 0x00000002); | |
95ea3627 | 911 | |
c517123a | 912 | rt2x00mmio_register_read(rt2x00dev, TIMECSR, ®); |
95ea3627 ID |
913 | rt2x00_set_field32(®, TIMECSR_US_COUNT, 33); |
914 | rt2x00_set_field32(®, TIMECSR_US_64_COUNT, 63); | |
915 | rt2x00_set_field32(®, TIMECSR_BEACON_EXPECT, 0); | |
c517123a | 916 | rt2x00mmio_register_write(rt2x00dev, TIMECSR, reg); |
95ea3627 | 917 | |
c517123a | 918 | rt2x00mmio_register_read(rt2x00dev, CSR9, ®); |
95ea3627 ID |
919 | rt2x00_set_field32(®, CSR9_MAX_FRAME_UNIT, |
920 | rt2x00dev->rx->data_size / 128); | |
c517123a | 921 | rt2x00mmio_register_write(rt2x00dev, CSR9, reg); |
95ea3627 ID |
922 | |
923 | /* | |
924 | * Always use CWmin and CWmax set in descriptor. | |
925 | */ | |
c517123a | 926 | rt2x00mmio_register_read(rt2x00dev, CSR11, ®); |
95ea3627 | 927 | rt2x00_set_field32(®, CSR11_CW_SELECT, 0); |
c517123a | 928 | rt2x00mmio_register_write(rt2x00dev, CSR11, reg); |
95ea3627 | 929 | |
c517123a | 930 | rt2x00mmio_register_read(rt2x00dev, CSR14, ®); |
1f909162 ID |
931 | rt2x00_set_field32(®, CSR14_TSF_COUNT, 0); |
932 | rt2x00_set_field32(®, CSR14_TSF_SYNC, 0); | |
933 | rt2x00_set_field32(®, CSR14_TBCN, 0); | |
934 | rt2x00_set_field32(®, CSR14_TCFP, 0); | |
935 | rt2x00_set_field32(®, CSR14_TATIMW, 0); | |
936 | rt2x00_set_field32(®, CSR14_BEACON_GEN, 0); | |
937 | rt2x00_set_field32(®, CSR14_CFP_COUNT_PRELOAD, 0); | |
938 | rt2x00_set_field32(®, CSR14_TBCM_PRELOAD, 0); | |
c517123a | 939 | rt2x00mmio_register_write(rt2x00dev, CSR14, reg); |
1f909162 | 940 | |
c517123a | 941 | rt2x00mmio_register_write(rt2x00dev, CNT3, 0); |
95ea3627 | 942 | |
c517123a | 943 | rt2x00mmio_register_read(rt2x00dev, TXCSR8, ®); |
95ea3627 ID |
944 | rt2x00_set_field32(®, TXCSR8_BBP_ID0, 10); |
945 | rt2x00_set_field32(®, TXCSR8_BBP_ID0_VALID, 1); | |
946 | rt2x00_set_field32(®, TXCSR8_BBP_ID1, 11); | |
947 | rt2x00_set_field32(®, TXCSR8_BBP_ID1_VALID, 1); | |
948 | rt2x00_set_field32(®, TXCSR8_BBP_ID2, 13); | |
949 | rt2x00_set_field32(®, TXCSR8_BBP_ID2_VALID, 1); | |
950 | rt2x00_set_field32(®, TXCSR8_BBP_ID3, 12); | |
951 | rt2x00_set_field32(®, TXCSR8_BBP_ID3_VALID, 1); | |
c517123a | 952 | rt2x00mmio_register_write(rt2x00dev, TXCSR8, reg); |
95ea3627 | 953 | |
c517123a | 954 | rt2x00mmio_register_read(rt2x00dev, ARTCSR0, ®); |
95ea3627 ID |
955 | rt2x00_set_field32(®, ARTCSR0_ACK_CTS_1MBS, 112); |
956 | rt2x00_set_field32(®, ARTCSR0_ACK_CTS_2MBS, 56); | |
957 | rt2x00_set_field32(®, ARTCSR0_ACK_CTS_5_5MBS, 20); | |
958 | rt2x00_set_field32(®, ARTCSR0_ACK_CTS_11MBS, 10); | |
c517123a | 959 | rt2x00mmio_register_write(rt2x00dev, ARTCSR0, reg); |
95ea3627 | 960 | |
c517123a | 961 | rt2x00mmio_register_read(rt2x00dev, ARTCSR1, ®); |
95ea3627 ID |
962 | rt2x00_set_field32(®, ARTCSR1_ACK_CTS_6MBS, 45); |
963 | rt2x00_set_field32(®, ARTCSR1_ACK_CTS_9MBS, 37); | |
964 | rt2x00_set_field32(®, ARTCSR1_ACK_CTS_12MBS, 33); | |
965 | rt2x00_set_field32(®, ARTCSR1_ACK_CTS_18MBS, 29); | |
c517123a | 966 | rt2x00mmio_register_write(rt2x00dev, ARTCSR1, reg); |
95ea3627 | 967 | |
c517123a | 968 | rt2x00mmio_register_read(rt2x00dev, ARTCSR2, ®); |
95ea3627 ID |
969 | rt2x00_set_field32(®, ARTCSR2_ACK_CTS_24MBS, 29); |
970 | rt2x00_set_field32(®, ARTCSR2_ACK_CTS_36MBS, 25); | |
971 | rt2x00_set_field32(®, ARTCSR2_ACK_CTS_48MBS, 25); | |
972 | rt2x00_set_field32(®, ARTCSR2_ACK_CTS_54MBS, 25); | |
c517123a | 973 | rt2x00mmio_register_write(rt2x00dev, ARTCSR2, reg); |
95ea3627 | 974 | |
c517123a | 975 | rt2x00mmio_register_read(rt2x00dev, RXCSR3, ®); |
95ea3627 ID |
976 | rt2x00_set_field32(®, RXCSR3_BBP_ID0, 47); /* CCK Signal */ |
977 | rt2x00_set_field32(®, RXCSR3_BBP_ID0_VALID, 1); | |
978 | rt2x00_set_field32(®, RXCSR3_BBP_ID1, 51); /* Rssi */ | |
979 | rt2x00_set_field32(®, RXCSR3_BBP_ID1_VALID, 1); | |
980 | rt2x00_set_field32(®, RXCSR3_BBP_ID2, 42); /* OFDM Rate */ | |
981 | rt2x00_set_field32(®, RXCSR3_BBP_ID2_VALID, 1); | |
982 | rt2x00_set_field32(®, RXCSR3_BBP_ID3, 51); /* RSSI */ | |
983 | rt2x00_set_field32(®, RXCSR3_BBP_ID3_VALID, 1); | |
c517123a | 984 | rt2x00mmio_register_write(rt2x00dev, RXCSR3, reg); |
95ea3627 | 985 | |
c517123a | 986 | rt2x00mmio_register_read(rt2x00dev, PCICSR, ®); |
95ea3627 ID |
987 | rt2x00_set_field32(®, PCICSR_BIG_ENDIAN, 0); |
988 | rt2x00_set_field32(®, PCICSR_RX_TRESHOLD, 0); | |
989 | rt2x00_set_field32(®, PCICSR_TX_TRESHOLD, 3); | |
990 | rt2x00_set_field32(®, PCICSR_BURST_LENTH, 1); | |
991 | rt2x00_set_field32(®, PCICSR_ENABLE_CLK, 1); | |
992 | rt2x00_set_field32(®, PCICSR_READ_MULTIPLE, 1); | |
993 | rt2x00_set_field32(®, PCICSR_WRITE_INVALID, 1); | |
c517123a | 994 | rt2x00mmio_register_write(rt2x00dev, PCICSR, reg); |
95ea3627 | 995 | |
c517123a | 996 | rt2x00mmio_register_write(rt2x00dev, PWRCSR0, 0x3f3b3100); |
95ea3627 | 997 | |
c517123a GJ |
998 | rt2x00mmio_register_write(rt2x00dev, GPIOCSR, 0x0000ff00); |
999 | rt2x00mmio_register_write(rt2x00dev, TESTCSR, 0x000000f0); | |
95ea3627 ID |
1000 | |
1001 | if (rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_AWAKE)) | |
1002 | return -EBUSY; | |
1003 | ||
c517123a GJ |
1004 | rt2x00mmio_register_write(rt2x00dev, MACCSR0, 0x00213223); |
1005 | rt2x00mmio_register_write(rt2x00dev, MACCSR1, 0x00235518); | |
95ea3627 | 1006 | |
c517123a | 1007 | rt2x00mmio_register_read(rt2x00dev, MACCSR2, ®); |
95ea3627 | 1008 | rt2x00_set_field32(®, MACCSR2_DELAY, 64); |
c517123a | 1009 | rt2x00mmio_register_write(rt2x00dev, MACCSR2, reg); |
95ea3627 | 1010 | |
c517123a | 1011 | rt2x00mmio_register_read(rt2x00dev, RALINKCSR, ®); |
95ea3627 ID |
1012 | rt2x00_set_field32(®, RALINKCSR_AR_BBP_DATA0, 17); |
1013 | rt2x00_set_field32(®, RALINKCSR_AR_BBP_ID0, 26); | |
1014 | rt2x00_set_field32(®, RALINKCSR_AR_BBP_VALID0, 1); | |
1015 | rt2x00_set_field32(®, RALINKCSR_AR_BBP_DATA1, 0); | |
1016 | rt2x00_set_field32(®, RALINKCSR_AR_BBP_ID1, 26); | |
1017 | rt2x00_set_field32(®, RALINKCSR_AR_BBP_VALID1, 1); | |
c517123a | 1018 | rt2x00mmio_register_write(rt2x00dev, RALINKCSR, reg); |
95ea3627 | 1019 | |
c517123a | 1020 | rt2x00mmio_register_write(rt2x00dev, BBPCSR1, 0x82188200); |
95ea3627 | 1021 | |
c517123a | 1022 | rt2x00mmio_register_write(rt2x00dev, TXACKCSR0, 0x00000020); |
95ea3627 | 1023 | |
c517123a | 1024 | rt2x00mmio_register_read(rt2x00dev, CSR1, ®); |
95ea3627 ID |
1025 | rt2x00_set_field32(®, CSR1_SOFT_RESET, 1); |
1026 | rt2x00_set_field32(®, CSR1_BBP_RESET, 0); | |
1027 | rt2x00_set_field32(®, CSR1_HOST_READY, 0); | |
c517123a | 1028 | rt2x00mmio_register_write(rt2x00dev, CSR1, reg); |
95ea3627 | 1029 | |
c517123a | 1030 | rt2x00mmio_register_read(rt2x00dev, CSR1, ®); |
95ea3627 ID |
1031 | rt2x00_set_field32(®, CSR1_SOFT_RESET, 0); |
1032 | rt2x00_set_field32(®, CSR1_HOST_READY, 1); | |
c517123a | 1033 | rt2x00mmio_register_write(rt2x00dev, CSR1, reg); |
95ea3627 ID |
1034 | |
1035 | /* | |
1036 | * We must clear the FCS and FIFO error count. | |
1037 | * These registers are cleared on read, | |
1038 | * so we may pass a useless variable to store the value. | |
1039 | */ | |
c517123a GJ |
1040 | rt2x00mmio_register_read(rt2x00dev, CNT0, ®); |
1041 | rt2x00mmio_register_read(rt2x00dev, CNT4, ®); | |
95ea3627 ID |
1042 | |
1043 | return 0; | |
1044 | } | |
1045 | ||
2b08da3f | 1046 | static int rt2500pci_wait_bbp_ready(struct rt2x00_dev *rt2x00dev) |
95ea3627 ID |
1047 | { |
1048 | unsigned int i; | |
95ea3627 ID |
1049 | u8 value; |
1050 | ||
1051 | for (i = 0; i < REGISTER_BUSY_COUNT; i++) { | |
1052 | rt2500pci_bbp_read(rt2x00dev, 0, &value); | |
1053 | if ((value != 0xff) && (value != 0x00)) | |
2b08da3f | 1054 | return 0; |
95ea3627 ID |
1055 | udelay(REGISTER_BUSY_DELAY); |
1056 | } | |
1057 | ||
ec9c4989 | 1058 | rt2x00_err(rt2x00dev, "BBP register access failed, aborting\n"); |
95ea3627 | 1059 | return -EACCES; |
2b08da3f ID |
1060 | } |
1061 | ||
1062 | static int rt2500pci_init_bbp(struct rt2x00_dev *rt2x00dev) | |
1063 | { | |
1064 | unsigned int i; | |
1065 | u16 eeprom; | |
1066 | u8 reg_id; | |
1067 | u8 value; | |
1068 | ||
1069 | if (unlikely(rt2500pci_wait_bbp_ready(rt2x00dev))) | |
1070 | return -EACCES; | |
95ea3627 | 1071 | |
95ea3627 ID |
1072 | rt2500pci_bbp_write(rt2x00dev, 3, 0x02); |
1073 | rt2500pci_bbp_write(rt2x00dev, 4, 0x19); | |
1074 | rt2500pci_bbp_write(rt2x00dev, 14, 0x1c); | |
1075 | rt2500pci_bbp_write(rt2x00dev, 15, 0x30); | |
1076 | rt2500pci_bbp_write(rt2x00dev, 16, 0xac); | |
1077 | rt2500pci_bbp_write(rt2x00dev, 18, 0x18); | |
1078 | rt2500pci_bbp_write(rt2x00dev, 19, 0xff); | |
1079 | rt2500pci_bbp_write(rt2x00dev, 20, 0x1e); | |
1080 | rt2500pci_bbp_write(rt2x00dev, 21, 0x08); | |
1081 | rt2500pci_bbp_write(rt2x00dev, 22, 0x08); | |
1082 | rt2500pci_bbp_write(rt2x00dev, 23, 0x08); | |
1083 | rt2500pci_bbp_write(rt2x00dev, 24, 0x70); | |
1084 | rt2500pci_bbp_write(rt2x00dev, 25, 0x40); | |
1085 | rt2500pci_bbp_write(rt2x00dev, 26, 0x08); | |
1086 | rt2500pci_bbp_write(rt2x00dev, 27, 0x23); | |
1087 | rt2500pci_bbp_write(rt2x00dev, 30, 0x10); | |
1088 | rt2500pci_bbp_write(rt2x00dev, 31, 0x2b); | |
1089 | rt2500pci_bbp_write(rt2x00dev, 32, 0xb9); | |
1090 | rt2500pci_bbp_write(rt2x00dev, 34, 0x12); | |
1091 | rt2500pci_bbp_write(rt2x00dev, 35, 0x50); | |
1092 | rt2500pci_bbp_write(rt2x00dev, 39, 0xc4); | |
1093 | rt2500pci_bbp_write(rt2x00dev, 40, 0x02); | |
1094 | rt2500pci_bbp_write(rt2x00dev, 41, 0x60); | |
1095 | rt2500pci_bbp_write(rt2x00dev, 53, 0x10); | |
1096 | rt2500pci_bbp_write(rt2x00dev, 54, 0x18); | |
1097 | rt2500pci_bbp_write(rt2x00dev, 56, 0x08); | |
1098 | rt2500pci_bbp_write(rt2x00dev, 57, 0x10); | |
1099 | rt2500pci_bbp_write(rt2x00dev, 58, 0x08); | |
1100 | rt2500pci_bbp_write(rt2x00dev, 61, 0x6d); | |
1101 | rt2500pci_bbp_write(rt2x00dev, 62, 0x10); | |
1102 | ||
95ea3627 ID |
1103 | for (i = 0; i < EEPROM_BBP_SIZE; i++) { |
1104 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom); | |
1105 | ||
1106 | if (eeprom != 0xffff && eeprom != 0x0000) { | |
1107 | reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID); | |
1108 | value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE); | |
95ea3627 ID |
1109 | rt2500pci_bbp_write(rt2x00dev, reg_id, value); |
1110 | } | |
1111 | } | |
95ea3627 ID |
1112 | |
1113 | return 0; | |
1114 | } | |
1115 | ||
1116 | /* | |
1117 | * Device state switch handlers. | |
1118 | */ | |
95ea3627 ID |
1119 | static void rt2500pci_toggle_irq(struct rt2x00_dev *rt2x00dev, |
1120 | enum dev_state state) | |
1121 | { | |
b550911a | 1122 | int mask = (state == STATE_RADIO_IRQ_OFF); |
95ea3627 | 1123 | u32 reg; |
16222a0d | 1124 | unsigned long flags; |
95ea3627 ID |
1125 | |
1126 | /* | |
1127 | * When interrupts are being enabled, the interrupt registers | |
1128 | * should clear the register to assure a clean state. | |
1129 | */ | |
1130 | if (state == STATE_RADIO_IRQ_ON) { | |
c517123a GJ |
1131 | rt2x00mmio_register_read(rt2x00dev, CSR7, ®); |
1132 | rt2x00mmio_register_write(rt2x00dev, CSR7, reg); | |
95ea3627 ID |
1133 | } |
1134 | ||
1135 | /* | |
1136 | * Only toggle the interrupts bits we are going to use. | |
1137 | * Non-checked interrupt bits are disabled by default. | |
1138 | */ | |
16222a0d HS |
1139 | spin_lock_irqsave(&rt2x00dev->irqmask_lock, flags); |
1140 | ||
c517123a | 1141 | rt2x00mmio_register_read(rt2x00dev, CSR8, ®); |
95ea3627 ID |
1142 | rt2x00_set_field32(®, CSR8_TBCN_EXPIRE, mask); |
1143 | rt2x00_set_field32(®, CSR8_TXDONE_TXRING, mask); | |
1144 | rt2x00_set_field32(®, CSR8_TXDONE_ATIMRING, mask); | |
1145 | rt2x00_set_field32(®, CSR8_TXDONE_PRIORING, mask); | |
1146 | rt2x00_set_field32(®, CSR8_RXDONE, mask); | |
c517123a | 1147 | rt2x00mmio_register_write(rt2x00dev, CSR8, reg); |
16222a0d HS |
1148 | |
1149 | spin_unlock_irqrestore(&rt2x00dev->irqmask_lock, flags); | |
1150 | ||
1151 | if (state == STATE_RADIO_IRQ_OFF) { | |
1152 | /* | |
1153 | * Ensure that all tasklets are finished. | |
1154 | */ | |
abc11994 HS |
1155 | tasklet_kill(&rt2x00dev->txstatus_tasklet); |
1156 | tasklet_kill(&rt2x00dev->rxdone_tasklet); | |
1157 | tasklet_kill(&rt2x00dev->tbtt_tasklet); | |
16222a0d | 1158 | } |
95ea3627 ID |
1159 | } |
1160 | ||
1161 | static int rt2500pci_enable_radio(struct rt2x00_dev *rt2x00dev) | |
1162 | { | |
1163 | /* | |
1164 | * Initialize all registers. | |
1165 | */ | |
2b08da3f ID |
1166 | if (unlikely(rt2500pci_init_queues(rt2x00dev) || |
1167 | rt2500pci_init_registers(rt2x00dev) || | |
1168 | rt2500pci_init_bbp(rt2x00dev))) | |
95ea3627 | 1169 | return -EIO; |
95ea3627 | 1170 | |
95ea3627 ID |
1171 | return 0; |
1172 | } | |
1173 | ||
1174 | static void rt2500pci_disable_radio(struct rt2x00_dev *rt2x00dev) | |
1175 | { | |
95ea3627 | 1176 | /* |
a2c9b652 | 1177 | * Disable power |
95ea3627 | 1178 | */ |
c517123a | 1179 | rt2x00mmio_register_write(rt2x00dev, PWRCSR0, 0); |
95ea3627 ID |
1180 | } |
1181 | ||
1182 | static int rt2500pci_set_state(struct rt2x00_dev *rt2x00dev, | |
1183 | enum dev_state state) | |
1184 | { | |
9655a6ec | 1185 | u32 reg, reg2; |
95ea3627 ID |
1186 | unsigned int i; |
1187 | char put_to_sleep; | |
1188 | char bbp_state; | |
1189 | char rf_state; | |
1190 | ||
1191 | put_to_sleep = (state != STATE_AWAKE); | |
1192 | ||
c517123a | 1193 | rt2x00mmio_register_read(rt2x00dev, PWRCSR1, ®); |
95ea3627 ID |
1194 | rt2x00_set_field32(®, PWRCSR1_SET_STATE, 1); |
1195 | rt2x00_set_field32(®, PWRCSR1_BBP_DESIRE_STATE, state); | |
1196 | rt2x00_set_field32(®, PWRCSR1_RF_DESIRE_STATE, state); | |
1197 | rt2x00_set_field32(®, PWRCSR1_PUT_TO_SLEEP, put_to_sleep); | |
c517123a | 1198 | rt2x00mmio_register_write(rt2x00dev, PWRCSR1, reg); |
95ea3627 ID |
1199 | |
1200 | /* | |
1201 | * Device is not guaranteed to be in the requested state yet. | |
1202 | * We must wait until the register indicates that the | |
1203 | * device has entered the correct state. | |
1204 | */ | |
1205 | for (i = 0; i < REGISTER_BUSY_COUNT; i++) { | |
c517123a | 1206 | rt2x00mmio_register_read(rt2x00dev, PWRCSR1, ®2); |
9655a6ec GW |
1207 | bbp_state = rt2x00_get_field32(reg2, PWRCSR1_BBP_CURR_STATE); |
1208 | rf_state = rt2x00_get_field32(reg2, PWRCSR1_RF_CURR_STATE); | |
95ea3627 ID |
1209 | if (bbp_state == state && rf_state == state) |
1210 | return 0; | |
c517123a | 1211 | rt2x00mmio_register_write(rt2x00dev, PWRCSR1, reg); |
95ea3627 ID |
1212 | msleep(10); |
1213 | } | |
1214 | ||
95ea3627 ID |
1215 | return -EBUSY; |
1216 | } | |
1217 | ||
1218 | static int rt2500pci_set_device_state(struct rt2x00_dev *rt2x00dev, | |
1219 | enum dev_state state) | |
1220 | { | |
1221 | int retval = 0; | |
1222 | ||
1223 | switch (state) { | |
1224 | case STATE_RADIO_ON: | |
1225 | retval = rt2500pci_enable_radio(rt2x00dev); | |
1226 | break; | |
1227 | case STATE_RADIO_OFF: | |
1228 | rt2500pci_disable_radio(rt2x00dev); | |
1229 | break; | |
2b08da3f ID |
1230 | case STATE_RADIO_IRQ_ON: |
1231 | case STATE_RADIO_IRQ_OFF: | |
1232 | rt2500pci_toggle_irq(rt2x00dev, state); | |
95ea3627 ID |
1233 | break; |
1234 | case STATE_DEEP_SLEEP: | |
1235 | case STATE_SLEEP: | |
1236 | case STATE_STANDBY: | |
1237 | case STATE_AWAKE: | |
1238 | retval = rt2500pci_set_state(rt2x00dev, state); | |
1239 | break; | |
1240 | default: | |
1241 | retval = -ENOTSUPP; | |
1242 | break; | |
1243 | } | |
1244 | ||
2b08da3f | 1245 | if (unlikely(retval)) |
ec9c4989 JP |
1246 | rt2x00_err(rt2x00dev, "Device failed to enter state %d (%d)\n", |
1247 | state, retval); | |
2b08da3f | 1248 | |
95ea3627 ID |
1249 | return retval; |
1250 | } | |
1251 | ||
1252 | /* | |
1253 | * TX descriptor initialization | |
1254 | */ | |
93331458 | 1255 | static void rt2500pci_write_tx_desc(struct queue_entry *entry, |
61486e0f | 1256 | struct txentry_desc *txdesc) |
95ea3627 | 1257 | { |
93331458 | 1258 | struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); |
c517123a | 1259 | struct queue_entry_priv_mmio *entry_priv = entry->priv_data; |
85b7a8b3 | 1260 | __le32 *txd = entry_priv->desc; |
95ea3627 ID |
1261 | u32 word; |
1262 | ||
1263 | /* | |
1264 | * Start writing the descriptor words. | |
1265 | */ | |
85b7a8b3 | 1266 | rt2x00_desc_read(txd, 1, &word); |
c4da0048 | 1267 | rt2x00_set_field32(&word, TXD_W1_BUFFER_ADDRESS, skbdesc->skb_dma); |
85b7a8b3 | 1268 | rt2x00_desc_write(txd, 1, word); |
4de36fe5 | 1269 | |
95ea3627 ID |
1270 | rt2x00_desc_read(txd, 2, &word); |
1271 | rt2x00_set_field32(&word, TXD_W2_IV_OFFSET, IEEE80211_HEADER); | |
2b23cdaa HS |
1272 | rt2x00_set_field32(&word, TXD_W2_AIFS, entry->queue->aifs); |
1273 | rt2x00_set_field32(&word, TXD_W2_CWMIN, entry->queue->cw_min); | |
1274 | rt2x00_set_field32(&word, TXD_W2_CWMAX, entry->queue->cw_max); | |
95ea3627 ID |
1275 | rt2x00_desc_write(txd, 2, word); |
1276 | ||
1277 | rt2x00_desc_read(txd, 3, &word); | |
26a1d07f HS |
1278 | rt2x00_set_field32(&word, TXD_W3_PLCP_SIGNAL, txdesc->u.plcp.signal); |
1279 | rt2x00_set_field32(&word, TXD_W3_PLCP_SERVICE, txdesc->u.plcp.service); | |
1280 | rt2x00_set_field32(&word, TXD_W3_PLCP_LENGTH_LOW, | |
1281 | txdesc->u.plcp.length_low); | |
1282 | rt2x00_set_field32(&word, TXD_W3_PLCP_LENGTH_HIGH, | |
1283 | txdesc->u.plcp.length_high); | |
95ea3627 ID |
1284 | rt2x00_desc_write(txd, 3, word); |
1285 | ||
1286 | rt2x00_desc_read(txd, 10, &word); | |
1287 | rt2x00_set_field32(&word, TXD_W10_RTS, | |
181d6902 | 1288 | test_bit(ENTRY_TXD_RTS_FRAME, &txdesc->flags)); |
95ea3627 ID |
1289 | rt2x00_desc_write(txd, 10, word); |
1290 | ||
e01f1ec3 GW |
1291 | /* |
1292 | * Writing TXD word 0 must the last to prevent a race condition with | |
1293 | * the device, whereby the device may take hold of the TXD before we | |
1294 | * finished updating it. | |
1295 | */ | |
95ea3627 ID |
1296 | rt2x00_desc_read(txd, 0, &word); |
1297 | rt2x00_set_field32(&word, TXD_W0_OWNER_NIC, 1); | |
1298 | rt2x00_set_field32(&word, TXD_W0_VALID, 1); | |
1299 | rt2x00_set_field32(&word, TXD_W0_MORE_FRAG, | |
181d6902 | 1300 | test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags)); |
95ea3627 | 1301 | rt2x00_set_field32(&word, TXD_W0_ACK, |
181d6902 | 1302 | test_bit(ENTRY_TXD_ACK, &txdesc->flags)); |
95ea3627 | 1303 | rt2x00_set_field32(&word, TXD_W0_TIMESTAMP, |
181d6902 | 1304 | test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags)); |
95ea3627 | 1305 | rt2x00_set_field32(&word, TXD_W0_OFDM, |
076f9582 | 1306 | (txdesc->rate_mode == RATE_MODE_OFDM)); |
95ea3627 | 1307 | rt2x00_set_field32(&word, TXD_W0_CIPHER_OWNER, 1); |
2517794b | 1308 | rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->u.plcp.ifs); |
95ea3627 | 1309 | rt2x00_set_field32(&word, TXD_W0_RETRY_MODE, |
61486e0f | 1310 | test_bit(ENTRY_TXD_RETRY_MODE, &txdesc->flags)); |
df624ca5 | 1311 | rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, txdesc->length); |
95ea3627 ID |
1312 | rt2x00_set_field32(&word, TXD_W0_CIPHER_ALG, CIPHER_NONE); |
1313 | rt2x00_desc_write(txd, 0, word); | |
85b7a8b3 GW |
1314 | |
1315 | /* | |
1316 | * Register descriptor details in skb frame descriptor. | |
1317 | */ | |
1318 | skbdesc->desc = txd; | |
1319 | skbdesc->desc_len = TXD_DESC_SIZE; | |
95ea3627 ID |
1320 | } |
1321 | ||
1322 | /* | |
1323 | * TX data initialization | |
1324 | */ | |
f224f4ef GW |
1325 | static void rt2500pci_write_beacon(struct queue_entry *entry, |
1326 | struct txentry_desc *txdesc) | |
bd88a781 ID |
1327 | { |
1328 | struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; | |
bd88a781 ID |
1329 | u32 reg; |
1330 | ||
1331 | /* | |
1332 | * Disable beaconing while we are reloading the beacon data, | |
1333 | * otherwise we might be sending out invalid data. | |
1334 | */ | |
c517123a | 1335 | rt2x00mmio_register_read(rt2x00dev, CSR14, ®); |
bd88a781 | 1336 | rt2x00_set_field32(®, CSR14_BEACON_GEN, 0); |
c517123a | 1337 | rt2x00mmio_register_write(rt2x00dev, CSR14, reg); |
bd88a781 | 1338 | |
4ea545d4 | 1339 | if (rt2x00queue_map_txskb(entry)) { |
ec9c4989 | 1340 | rt2x00_err(rt2x00dev, "Fail to map beacon, aborting\n"); |
4ea545d4 SG |
1341 | goto out; |
1342 | } | |
bd88a781 | 1343 | |
5c3b685c GW |
1344 | /* |
1345 | * Write the TX descriptor for the beacon. | |
1346 | */ | |
93331458 | 1347 | rt2500pci_write_tx_desc(entry, txdesc); |
5c3b685c GW |
1348 | |
1349 | /* | |
1350 | * Dump beacon to userspace through debugfs. | |
1351 | */ | |
1352 | rt2x00debug_dump_frame(rt2x00dev, DUMP_FRAME_BEACON, entry->skb); | |
4ea545d4 | 1353 | out: |
d61cb266 GW |
1354 | /* |
1355 | * Enable beaconing again. | |
1356 | */ | |
d61cb266 | 1357 | rt2x00_set_field32(®, CSR14_BEACON_GEN, 1); |
c517123a | 1358 | rt2x00mmio_register_write(rt2x00dev, CSR14, reg); |
bd88a781 ID |
1359 | } |
1360 | ||
95ea3627 ID |
1361 | /* |
1362 | * RX control handlers | |
1363 | */ | |
181d6902 ID |
1364 | static void rt2500pci_fill_rxdone(struct queue_entry *entry, |
1365 | struct rxdone_entry_desc *rxdesc) | |
95ea3627 | 1366 | { |
c517123a | 1367 | struct queue_entry_priv_mmio *entry_priv = entry->priv_data; |
95ea3627 ID |
1368 | u32 word0; |
1369 | u32 word2; | |
1370 | ||
b8be63ff ID |
1371 | rt2x00_desc_read(entry_priv->desc, 0, &word0); |
1372 | rt2x00_desc_read(entry_priv->desc, 2, &word2); | |
95ea3627 | 1373 | |
4150c572 | 1374 | if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR)) |
181d6902 | 1375 | rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC; |
4150c572 | 1376 | if (rt2x00_get_field32(word0, RXD_W0_PHYSICAL_ERROR)) |
181d6902 ID |
1377 | rxdesc->flags |= RX_FLAG_FAILED_PLCP_CRC; |
1378 | ||
89993890 ID |
1379 | /* |
1380 | * Obtain the status about this packet. | |
1381 | * When frame was received with an OFDM bitrate, | |
1382 | * the signal is the PLCP value. If it was received with | |
1383 | * a CCK bitrate the signal is the rate in 100kbit/s. | |
1384 | */ | |
181d6902 ID |
1385 | rxdesc->signal = rt2x00_get_field32(word2, RXD_W2_SIGNAL); |
1386 | rxdesc->rssi = rt2x00_get_field32(word2, RXD_W2_RSSI) - | |
1387 | entry->queue->rt2x00dev->rssi_offset; | |
181d6902 | 1388 | rxdesc->size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT); |
19d30e02 | 1389 | |
19d30e02 ID |
1390 | if (rt2x00_get_field32(word0, RXD_W0_OFDM)) |
1391 | rxdesc->dev_flags |= RXDONE_SIGNAL_PLCP; | |
6c6aa3c0 ID |
1392 | else |
1393 | rxdesc->dev_flags |= RXDONE_SIGNAL_BITRATE; | |
19d30e02 ID |
1394 | if (rt2x00_get_field32(word0, RXD_W0_MY_BSS)) |
1395 | rxdesc->dev_flags |= RXDONE_MY_BSS; | |
95ea3627 ID |
1396 | } |
1397 | ||
1398 | /* | |
1399 | * Interrupt functions. | |
1400 | */ | |
181d6902 | 1401 | static void rt2500pci_txdone(struct rt2x00_dev *rt2x00dev, |
e58c6aca | 1402 | const enum data_queue_qid queue_idx) |
95ea3627 | 1403 | { |
61c6e489 | 1404 | struct data_queue *queue = rt2x00queue_get_tx_queue(rt2x00dev, queue_idx); |
c517123a | 1405 | struct queue_entry_priv_mmio *entry_priv; |
181d6902 ID |
1406 | struct queue_entry *entry; |
1407 | struct txdone_entry_desc txdesc; | |
95ea3627 | 1408 | u32 word; |
95ea3627 | 1409 | |
181d6902 ID |
1410 | while (!rt2x00queue_empty(queue)) { |
1411 | entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE); | |
b8be63ff ID |
1412 | entry_priv = entry->priv_data; |
1413 | rt2x00_desc_read(entry_priv->desc, 0, &word); | |
95ea3627 ID |
1414 | |
1415 | if (rt2x00_get_field32(word, TXD_W0_OWNER_NIC) || | |
1416 | !rt2x00_get_field32(word, TXD_W0_VALID)) | |
1417 | break; | |
1418 | ||
1419 | /* | |
1420 | * Obtain the status about this packet. | |
1421 | */ | |
fb55f4d1 ID |
1422 | txdesc.flags = 0; |
1423 | switch (rt2x00_get_field32(word, TXD_W0_RESULT)) { | |
1424 | case 0: /* Success */ | |
1425 | case 1: /* Success with retry */ | |
1426 | __set_bit(TXDONE_SUCCESS, &txdesc.flags); | |
1427 | break; | |
1428 | case 2: /* Failure, excessive retries */ | |
1429 | __set_bit(TXDONE_EXCESSIVE_RETRY, &txdesc.flags); | |
1430 | /* Don't break, this is a failed frame! */ | |
1431 | default: /* Failure */ | |
1432 | __set_bit(TXDONE_FAILURE, &txdesc.flags); | |
1433 | } | |
181d6902 | 1434 | txdesc.retry = rt2x00_get_field32(word, TXD_W0_RETRY_COUNT); |
95ea3627 | 1435 | |
e513a0b6 | 1436 | rt2x00lib_txdone(entry, &txdesc); |
95ea3627 | 1437 | } |
95ea3627 ID |
1438 | } |
1439 | ||
7a5a681a HS |
1440 | static inline void rt2500pci_enable_interrupt(struct rt2x00_dev *rt2x00dev, |
1441 | struct rt2x00_field32 irq_field) | |
95ea3627 | 1442 | { |
16222a0d | 1443 | u32 reg; |
95ea3627 ID |
1444 | |
1445 | /* | |
16222a0d HS |
1446 | * Enable a single interrupt. The interrupt mask register |
1447 | * access needs locking. | |
95ea3627 | 1448 | */ |
0aa13b2e | 1449 | spin_lock_irq(&rt2x00dev->irqmask_lock); |
95ea3627 | 1450 | |
c517123a | 1451 | rt2x00mmio_register_read(rt2x00dev, CSR8, ®); |
16222a0d | 1452 | rt2x00_set_field32(®, irq_field, 0); |
c517123a | 1453 | rt2x00mmio_register_write(rt2x00dev, CSR8, reg); |
95ea3627 | 1454 | |
0aa13b2e | 1455 | spin_unlock_irq(&rt2x00dev->irqmask_lock); |
16222a0d | 1456 | } |
95ea3627 | 1457 | |
16222a0d HS |
1458 | static void rt2500pci_txstatus_tasklet(unsigned long data) |
1459 | { | |
1460 | struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data; | |
1461 | u32 reg; | |
95ea3627 ID |
1462 | |
1463 | /* | |
16222a0d | 1464 | * Handle all tx queues. |
95ea3627 | 1465 | */ |
16222a0d HS |
1466 | rt2500pci_txdone(rt2x00dev, QID_ATIM); |
1467 | rt2500pci_txdone(rt2x00dev, QID_AC_VO); | |
1468 | rt2500pci_txdone(rt2x00dev, QID_AC_VI); | |
95ea3627 ID |
1469 | |
1470 | /* | |
16222a0d | 1471 | * Enable all TXDONE interrupts again. |
95ea3627 | 1472 | */ |
abc11994 HS |
1473 | if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags)) { |
1474 | spin_lock_irq(&rt2x00dev->irqmask_lock); | |
95ea3627 | 1475 | |
c517123a | 1476 | rt2x00mmio_register_read(rt2x00dev, CSR8, ®); |
abc11994 HS |
1477 | rt2x00_set_field32(®, CSR8_TXDONE_TXRING, 0); |
1478 | rt2x00_set_field32(®, CSR8_TXDONE_ATIMRING, 0); | |
1479 | rt2x00_set_field32(®, CSR8_TXDONE_PRIORING, 0); | |
c517123a | 1480 | rt2x00mmio_register_write(rt2x00dev, CSR8, reg); |
78e256c9 | 1481 | |
abc11994 HS |
1482 | spin_unlock_irq(&rt2x00dev->irqmask_lock); |
1483 | } | |
16222a0d HS |
1484 | } |
1485 | ||
1486 | static void rt2500pci_tbtt_tasklet(unsigned long data) | |
1487 | { | |
1488 | struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data; | |
1489 | rt2x00lib_beacondone(rt2x00dev); | |
abc11994 HS |
1490 | if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags)) |
1491 | rt2500pci_enable_interrupt(rt2x00dev, CSR8_TBCN_EXPIRE); | |
16222a0d HS |
1492 | } |
1493 | ||
1494 | static void rt2500pci_rxdone_tasklet(unsigned long data) | |
1495 | { | |
1496 | struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data; | |
c517123a | 1497 | if (rt2x00mmio_rxdone(rt2x00dev)) |
16638937 | 1498 | tasklet_schedule(&rt2x00dev->rxdone_tasklet); |
abc11994 | 1499 | else if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags)) |
16638937 | 1500 | rt2500pci_enable_interrupt(rt2x00dev, CSR8_RXDONE); |
95ea3627 ID |
1501 | } |
1502 | ||
78e256c9 HS |
1503 | static irqreturn_t rt2500pci_interrupt(int irq, void *dev_instance) |
1504 | { | |
1505 | struct rt2x00_dev *rt2x00dev = dev_instance; | |
16222a0d | 1506 | u32 reg, mask; |
78e256c9 HS |
1507 | |
1508 | /* | |
1509 | * Get the interrupt sources & saved to local variable. | |
1510 | * Write register value back to clear pending interrupts. | |
1511 | */ | |
c517123a GJ |
1512 | rt2x00mmio_register_read(rt2x00dev, CSR7, ®); |
1513 | rt2x00mmio_register_write(rt2x00dev, CSR7, reg); | |
78e256c9 HS |
1514 | |
1515 | if (!reg) | |
1516 | return IRQ_NONE; | |
1517 | ||
1518 | if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags)) | |
1519 | return IRQ_HANDLED; | |
1520 | ||
16222a0d HS |
1521 | mask = reg; |
1522 | ||
1523 | /* | |
1524 | * Schedule tasklets for interrupt handling. | |
1525 | */ | |
1526 | if (rt2x00_get_field32(reg, CSR7_TBCN_EXPIRE)) | |
1527 | tasklet_hi_schedule(&rt2x00dev->tbtt_tasklet); | |
1528 | ||
1529 | if (rt2x00_get_field32(reg, CSR7_RXDONE)) | |
1530 | tasklet_schedule(&rt2x00dev->rxdone_tasklet); | |
1531 | ||
1532 | if (rt2x00_get_field32(reg, CSR7_TXDONE_ATIMRING) || | |
1533 | rt2x00_get_field32(reg, CSR7_TXDONE_PRIORING) || | |
1534 | rt2x00_get_field32(reg, CSR7_TXDONE_TXRING)) { | |
1535 | tasklet_schedule(&rt2x00dev->txstatus_tasklet); | |
1536 | /* | |
1537 | * Mask out all txdone interrupts. | |
1538 | */ | |
1539 | rt2x00_set_field32(&mask, CSR8_TXDONE_TXRING, 1); | |
1540 | rt2x00_set_field32(&mask, CSR8_TXDONE_ATIMRING, 1); | |
1541 | rt2x00_set_field32(&mask, CSR8_TXDONE_PRIORING, 1); | |
1542 | } | |
1543 | ||
1544 | /* | |
1545 | * Disable all interrupts for which a tasklet was scheduled right now, | |
1546 | * the tasklet will reenable the appropriate interrupts. | |
1547 | */ | |
0aa13b2e | 1548 | spin_lock(&rt2x00dev->irqmask_lock); |
78e256c9 | 1549 | |
c517123a | 1550 | rt2x00mmio_register_read(rt2x00dev, CSR8, ®); |
16222a0d | 1551 | reg |= mask; |
c517123a | 1552 | rt2x00mmio_register_write(rt2x00dev, CSR8, reg); |
16222a0d | 1553 | |
0aa13b2e | 1554 | spin_unlock(&rt2x00dev->irqmask_lock); |
78e256c9 | 1555 | |
16222a0d | 1556 | return IRQ_HANDLED; |
78e256c9 HS |
1557 | } |
1558 | ||
95ea3627 ID |
1559 | /* |
1560 | * Device probe functions. | |
1561 | */ | |
1562 | static int rt2500pci_validate_eeprom(struct rt2x00_dev *rt2x00dev) | |
1563 | { | |
1564 | struct eeprom_93cx6 eeprom; | |
1565 | u32 reg; | |
1566 | u16 word; | |
1567 | u8 *mac; | |
1568 | ||
c517123a | 1569 | rt2x00mmio_register_read(rt2x00dev, CSR21, ®); |
95ea3627 ID |
1570 | |
1571 | eeprom.data = rt2x00dev; | |
1572 | eeprom.register_read = rt2500pci_eepromregister_read; | |
1573 | eeprom.register_write = rt2500pci_eepromregister_write; | |
1574 | eeprom.width = rt2x00_get_field32(reg, CSR21_TYPE_93C46) ? | |
1575 | PCI_EEPROM_WIDTH_93C46 : PCI_EEPROM_WIDTH_93C66; | |
1576 | eeprom.reg_data_in = 0; | |
1577 | eeprom.reg_data_out = 0; | |
1578 | eeprom.reg_data_clock = 0; | |
1579 | eeprom.reg_chip_select = 0; | |
1580 | ||
1581 | eeprom_93cx6_multiread(&eeprom, EEPROM_BASE, rt2x00dev->eeprom, | |
1582 | EEPROM_SIZE / sizeof(u16)); | |
1583 | ||
1584 | /* | |
1585 | * Start validation of the data that has been read. | |
1586 | */ | |
1587 | mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0); | |
1588 | if (!is_valid_ether_addr(mac)) { | |
f4f7f414 | 1589 | eth_random_addr(mac); |
ec9c4989 | 1590 | rt2x00_eeprom_dbg(rt2x00dev, "MAC: %pM\n", mac); |
95ea3627 ID |
1591 | } |
1592 | ||
1593 | rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word); | |
1594 | if (word == 0xffff) { | |
1595 | rt2x00_set_field16(&word, EEPROM_ANTENNA_NUM, 2); | |
362f3b6b ID |
1596 | rt2x00_set_field16(&word, EEPROM_ANTENNA_TX_DEFAULT, |
1597 | ANTENNA_SW_DIVERSITY); | |
1598 | rt2x00_set_field16(&word, EEPROM_ANTENNA_RX_DEFAULT, | |
1599 | ANTENNA_SW_DIVERSITY); | |
1600 | rt2x00_set_field16(&word, EEPROM_ANTENNA_LED_MODE, | |
1601 | LED_MODE_DEFAULT); | |
95ea3627 ID |
1602 | rt2x00_set_field16(&word, EEPROM_ANTENNA_DYN_TXAGC, 0); |
1603 | rt2x00_set_field16(&word, EEPROM_ANTENNA_HARDWARE_RADIO, 0); | |
1604 | rt2x00_set_field16(&word, EEPROM_ANTENNA_RF_TYPE, RF2522); | |
1605 | rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word); | |
ec9c4989 | 1606 | rt2x00_eeprom_dbg(rt2x00dev, "Antenna: 0x%04x\n", word); |
95ea3627 ID |
1607 | } |
1608 | ||
1609 | rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &word); | |
1610 | if (word == 0xffff) { | |
1611 | rt2x00_set_field16(&word, EEPROM_NIC_CARDBUS_ACCEL, 0); | |
1612 | rt2x00_set_field16(&word, EEPROM_NIC_DYN_BBP_TUNE, 0); | |
1613 | rt2x00_set_field16(&word, EEPROM_NIC_CCK_TX_POWER, 0); | |
1614 | rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC, word); | |
ec9c4989 | 1615 | rt2x00_eeprom_dbg(rt2x00dev, "NIC: 0x%04x\n", word); |
95ea3627 ID |
1616 | } |
1617 | ||
1618 | rt2x00_eeprom_read(rt2x00dev, EEPROM_CALIBRATE_OFFSET, &word); | |
1619 | if (word == 0xffff) { | |
1620 | rt2x00_set_field16(&word, EEPROM_CALIBRATE_OFFSET_RSSI, | |
1621 | DEFAULT_RSSI_OFFSET); | |
1622 | rt2x00_eeprom_write(rt2x00dev, EEPROM_CALIBRATE_OFFSET, word); | |
ec9c4989 JP |
1623 | rt2x00_eeprom_dbg(rt2x00dev, "Calibrate offset: 0x%04x\n", |
1624 | word); | |
95ea3627 ID |
1625 | } |
1626 | ||
1627 | return 0; | |
1628 | } | |
1629 | ||
1630 | static int rt2500pci_init_eeprom(struct rt2x00_dev *rt2x00dev) | |
1631 | { | |
1632 | u32 reg; | |
1633 | u16 value; | |
1634 | u16 eeprom; | |
1635 | ||
1636 | /* | |
1637 | * Read EEPROM word for configuration. | |
1638 | */ | |
1639 | rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom); | |
1640 | ||
1641 | /* | |
1642 | * Identify RF chipset. | |
1643 | */ | |
1644 | value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE); | |
c517123a | 1645 | rt2x00mmio_register_read(rt2x00dev, CSR0, ®); |
49e721ec GW |
1646 | rt2x00_set_chip(rt2x00dev, RT2560, value, |
1647 | rt2x00_get_field32(reg, CSR0_REVISION)); | |
95ea3627 | 1648 | |
5122d898 GW |
1649 | if (!rt2x00_rf(rt2x00dev, RF2522) && |
1650 | !rt2x00_rf(rt2x00dev, RF2523) && | |
1651 | !rt2x00_rf(rt2x00dev, RF2524) && | |
1652 | !rt2x00_rf(rt2x00dev, RF2525) && | |
1653 | !rt2x00_rf(rt2x00dev, RF2525E) && | |
1654 | !rt2x00_rf(rt2x00dev, RF5222)) { | |
ec9c4989 | 1655 | rt2x00_err(rt2x00dev, "Invalid RF chipset detected\n"); |
95ea3627 ID |
1656 | return -ENODEV; |
1657 | } | |
1658 | ||
1659 | /* | |
1660 | * Identify default antenna configuration. | |
1661 | */ | |
addc81bd | 1662 | rt2x00dev->default_ant.tx = |
95ea3627 | 1663 | rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TX_DEFAULT); |
addc81bd | 1664 | rt2x00dev->default_ant.rx = |
95ea3627 ID |
1665 | rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RX_DEFAULT); |
1666 | ||
1667 | /* | |
1668 | * Store led mode, for correct led behaviour. | |
1669 | */ | |
771fd565 | 1670 | #ifdef CONFIG_RT2X00_LIB_LEDS |
a9450b70 ID |
1671 | value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_LED_MODE); |
1672 | ||
475433be | 1673 | rt2500pci_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO); |
3d3e451f ID |
1674 | if (value == LED_MODE_TXRX_ACTIVITY || |
1675 | value == LED_MODE_DEFAULT || | |
1676 | value == LED_MODE_ASUS) | |
475433be ID |
1677 | rt2500pci_init_led(rt2x00dev, &rt2x00dev->led_qual, |
1678 | LED_TYPE_ACTIVITY); | |
771fd565 | 1679 | #endif /* CONFIG_RT2X00_LIB_LEDS */ |
95ea3627 ID |
1680 | |
1681 | /* | |
1682 | * Detect if this device has an hardware controlled radio. | |
1683 | */ | |
1684 | if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_HARDWARE_RADIO)) | |
7dab73b3 | 1685 | __set_bit(CAPABILITY_HW_BUTTON, &rt2x00dev->cap_flags); |
95ea3627 ID |
1686 | |
1687 | /* | |
1688 | * Check if the BBP tuning should be enabled. | |
1689 | */ | |
1690 | rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &eeprom); | |
27df2a9c | 1691 | if (!rt2x00_get_field16(eeprom, EEPROM_NIC_DYN_BBP_TUNE)) |
7dab73b3 | 1692 | __set_bit(CAPABILITY_LINK_TUNING, &rt2x00dev->cap_flags); |
95ea3627 ID |
1693 | |
1694 | /* | |
1695 | * Read the RSSI <-> dBm offset information. | |
1696 | */ | |
1697 | rt2x00_eeprom_read(rt2x00dev, EEPROM_CALIBRATE_OFFSET, &eeprom); | |
1698 | rt2x00dev->rssi_offset = | |
1699 | rt2x00_get_field16(eeprom, EEPROM_CALIBRATE_OFFSET_RSSI); | |
1700 | ||
1701 | return 0; | |
1702 | } | |
1703 | ||
1704 | /* | |
1705 | * RF value list for RF2522 | |
1706 | * Supports: 2.4 GHz | |
1707 | */ | |
1708 | static const struct rf_channel rf_vals_bg_2522[] = { | |
1709 | { 1, 0x00002050, 0x000c1fda, 0x00000101, 0 }, | |
1710 | { 2, 0x00002050, 0x000c1fee, 0x00000101, 0 }, | |
1711 | { 3, 0x00002050, 0x000c2002, 0x00000101, 0 }, | |
1712 | { 4, 0x00002050, 0x000c2016, 0x00000101, 0 }, | |
1713 | { 5, 0x00002050, 0x000c202a, 0x00000101, 0 }, | |
1714 | { 6, 0x00002050, 0x000c203e, 0x00000101, 0 }, | |
1715 | { 7, 0x00002050, 0x000c2052, 0x00000101, 0 }, | |
1716 | { 8, 0x00002050, 0x000c2066, 0x00000101, 0 }, | |
1717 | { 9, 0x00002050, 0x000c207a, 0x00000101, 0 }, | |
1718 | { 10, 0x00002050, 0x000c208e, 0x00000101, 0 }, | |
1719 | { 11, 0x00002050, 0x000c20a2, 0x00000101, 0 }, | |
1720 | { 12, 0x00002050, 0x000c20b6, 0x00000101, 0 }, | |
1721 | { 13, 0x00002050, 0x000c20ca, 0x00000101, 0 }, | |
1722 | { 14, 0x00002050, 0x000c20fa, 0x00000101, 0 }, | |
1723 | }; | |
1724 | ||
1725 | /* | |
1726 | * RF value list for RF2523 | |
1727 | * Supports: 2.4 GHz | |
1728 | */ | |
1729 | static const struct rf_channel rf_vals_bg_2523[] = { | |
1730 | { 1, 0x00022010, 0x00000c9e, 0x000e0111, 0x00000a1b }, | |
1731 | { 2, 0x00022010, 0x00000ca2, 0x000e0111, 0x00000a1b }, | |
1732 | { 3, 0x00022010, 0x00000ca6, 0x000e0111, 0x00000a1b }, | |
1733 | { 4, 0x00022010, 0x00000caa, 0x000e0111, 0x00000a1b }, | |
1734 | { 5, 0x00022010, 0x00000cae, 0x000e0111, 0x00000a1b }, | |
1735 | { 6, 0x00022010, 0x00000cb2, 0x000e0111, 0x00000a1b }, | |
1736 | { 7, 0x00022010, 0x00000cb6, 0x000e0111, 0x00000a1b }, | |
1737 | { 8, 0x00022010, 0x00000cba, 0x000e0111, 0x00000a1b }, | |
1738 | { 9, 0x00022010, 0x00000cbe, 0x000e0111, 0x00000a1b }, | |
1739 | { 10, 0x00022010, 0x00000d02, 0x000e0111, 0x00000a1b }, | |
1740 | { 11, 0x00022010, 0x00000d06, 0x000e0111, 0x00000a1b }, | |
1741 | { 12, 0x00022010, 0x00000d0a, 0x000e0111, 0x00000a1b }, | |
1742 | { 13, 0x00022010, 0x00000d0e, 0x000e0111, 0x00000a1b }, | |
1743 | { 14, 0x00022010, 0x00000d1a, 0x000e0111, 0x00000a03 }, | |
1744 | }; | |
1745 | ||
1746 | /* | |
1747 | * RF value list for RF2524 | |
1748 | * Supports: 2.4 GHz | |
1749 | */ | |
1750 | static const struct rf_channel rf_vals_bg_2524[] = { | |
1751 | { 1, 0x00032020, 0x00000c9e, 0x00000101, 0x00000a1b }, | |
1752 | { 2, 0x00032020, 0x00000ca2, 0x00000101, 0x00000a1b }, | |
1753 | { 3, 0x00032020, 0x00000ca6, 0x00000101, 0x00000a1b }, | |
1754 | { 4, 0x00032020, 0x00000caa, 0x00000101, 0x00000a1b }, | |
1755 | { 5, 0x00032020, 0x00000cae, 0x00000101, 0x00000a1b }, | |
1756 | { 6, 0x00032020, 0x00000cb2, 0x00000101, 0x00000a1b }, | |
1757 | { 7, 0x00032020, 0x00000cb6, 0x00000101, 0x00000a1b }, | |
1758 | { 8, 0x00032020, 0x00000cba, 0x00000101, 0x00000a1b }, | |
1759 | { 9, 0x00032020, 0x00000cbe, 0x00000101, 0x00000a1b }, | |
1760 | { 10, 0x00032020, 0x00000d02, 0x00000101, 0x00000a1b }, | |
1761 | { 11, 0x00032020, 0x00000d06, 0x00000101, 0x00000a1b }, | |
1762 | { 12, 0x00032020, 0x00000d0a, 0x00000101, 0x00000a1b }, | |
1763 | { 13, 0x00032020, 0x00000d0e, 0x00000101, 0x00000a1b }, | |
1764 | { 14, 0x00032020, 0x00000d1a, 0x00000101, 0x00000a03 }, | |
1765 | }; | |
1766 | ||
1767 | /* | |
1768 | * RF value list for RF2525 | |
1769 | * Supports: 2.4 GHz | |
1770 | */ | |
1771 | static const struct rf_channel rf_vals_bg_2525[] = { | |
1772 | { 1, 0x00022020, 0x00080c9e, 0x00060111, 0x00000a1b }, | |
1773 | { 2, 0x00022020, 0x00080ca2, 0x00060111, 0x00000a1b }, | |
1774 | { 3, 0x00022020, 0x00080ca6, 0x00060111, 0x00000a1b }, | |
1775 | { 4, 0x00022020, 0x00080caa, 0x00060111, 0x00000a1b }, | |
1776 | { 5, 0x00022020, 0x00080cae, 0x00060111, 0x00000a1b }, | |
1777 | { 6, 0x00022020, 0x00080cb2, 0x00060111, 0x00000a1b }, | |
1778 | { 7, 0x00022020, 0x00080cb6, 0x00060111, 0x00000a1b }, | |
1779 | { 8, 0x00022020, 0x00080cba, 0x00060111, 0x00000a1b }, | |
1780 | { 9, 0x00022020, 0x00080cbe, 0x00060111, 0x00000a1b }, | |
1781 | { 10, 0x00022020, 0x00080d02, 0x00060111, 0x00000a1b }, | |
1782 | { 11, 0x00022020, 0x00080d06, 0x00060111, 0x00000a1b }, | |
1783 | { 12, 0x00022020, 0x00080d0a, 0x00060111, 0x00000a1b }, | |
1784 | { 13, 0x00022020, 0x00080d0e, 0x00060111, 0x00000a1b }, | |
1785 | { 14, 0x00022020, 0x00080d1a, 0x00060111, 0x00000a03 }, | |
1786 | }; | |
1787 | ||
1788 | /* | |
1789 | * RF value list for RF2525e | |
1790 | * Supports: 2.4 GHz | |
1791 | */ | |
1792 | static const struct rf_channel rf_vals_bg_2525e[] = { | |
1793 | { 1, 0x00022020, 0x00081136, 0x00060111, 0x00000a0b }, | |
1794 | { 2, 0x00022020, 0x0008113a, 0x00060111, 0x00000a0b }, | |
1795 | { 3, 0x00022020, 0x0008113e, 0x00060111, 0x00000a0b }, | |
1796 | { 4, 0x00022020, 0x00081182, 0x00060111, 0x00000a0b }, | |
1797 | { 5, 0x00022020, 0x00081186, 0x00060111, 0x00000a0b }, | |
1798 | { 6, 0x00022020, 0x0008118a, 0x00060111, 0x00000a0b }, | |
1799 | { 7, 0x00022020, 0x0008118e, 0x00060111, 0x00000a0b }, | |
1800 | { 8, 0x00022020, 0x00081192, 0x00060111, 0x00000a0b }, | |
1801 | { 9, 0x00022020, 0x00081196, 0x00060111, 0x00000a0b }, | |
1802 | { 10, 0x00022020, 0x0008119a, 0x00060111, 0x00000a0b }, | |
1803 | { 11, 0x00022020, 0x0008119e, 0x00060111, 0x00000a0b }, | |
1804 | { 12, 0x00022020, 0x000811a2, 0x00060111, 0x00000a0b }, | |
1805 | { 13, 0x00022020, 0x000811a6, 0x00060111, 0x00000a0b }, | |
1806 | { 14, 0x00022020, 0x000811ae, 0x00060111, 0x00000a1b }, | |
1807 | }; | |
1808 | ||
1809 | /* | |
1810 | * RF value list for RF5222 | |
1811 | * Supports: 2.4 GHz & 5.2 GHz | |
1812 | */ | |
1813 | static const struct rf_channel rf_vals_5222[] = { | |
1814 | { 1, 0x00022020, 0x00001136, 0x00000101, 0x00000a0b }, | |
1815 | { 2, 0x00022020, 0x0000113a, 0x00000101, 0x00000a0b }, | |
1816 | { 3, 0x00022020, 0x0000113e, 0x00000101, 0x00000a0b }, | |
1817 | { 4, 0x00022020, 0x00001182, 0x00000101, 0x00000a0b }, | |
1818 | { 5, 0x00022020, 0x00001186, 0x00000101, 0x00000a0b }, | |
1819 | { 6, 0x00022020, 0x0000118a, 0x00000101, 0x00000a0b }, | |
1820 | { 7, 0x00022020, 0x0000118e, 0x00000101, 0x00000a0b }, | |
1821 | { 8, 0x00022020, 0x00001192, 0x00000101, 0x00000a0b }, | |
1822 | { 9, 0x00022020, 0x00001196, 0x00000101, 0x00000a0b }, | |
1823 | { 10, 0x00022020, 0x0000119a, 0x00000101, 0x00000a0b }, | |
1824 | { 11, 0x00022020, 0x0000119e, 0x00000101, 0x00000a0b }, | |
1825 | { 12, 0x00022020, 0x000011a2, 0x00000101, 0x00000a0b }, | |
1826 | { 13, 0x00022020, 0x000011a6, 0x00000101, 0x00000a0b }, | |
1827 | { 14, 0x00022020, 0x000011ae, 0x00000101, 0x00000a1b }, | |
1828 | ||
1829 | /* 802.11 UNI / HyperLan 2 */ | |
1830 | { 36, 0x00022010, 0x00018896, 0x00000101, 0x00000a1f }, | |
1831 | { 40, 0x00022010, 0x0001889a, 0x00000101, 0x00000a1f }, | |
1832 | { 44, 0x00022010, 0x0001889e, 0x00000101, 0x00000a1f }, | |
1833 | { 48, 0x00022010, 0x000188a2, 0x00000101, 0x00000a1f }, | |
1834 | { 52, 0x00022010, 0x000188a6, 0x00000101, 0x00000a1f }, | |
1835 | { 66, 0x00022010, 0x000188aa, 0x00000101, 0x00000a1f }, | |
1836 | { 60, 0x00022010, 0x000188ae, 0x00000101, 0x00000a1f }, | |
1837 | { 64, 0x00022010, 0x000188b2, 0x00000101, 0x00000a1f }, | |
1838 | ||
1839 | /* 802.11 HyperLan 2 */ | |
1840 | { 100, 0x00022010, 0x00008802, 0x00000101, 0x00000a0f }, | |
1841 | { 104, 0x00022010, 0x00008806, 0x00000101, 0x00000a0f }, | |
1842 | { 108, 0x00022010, 0x0000880a, 0x00000101, 0x00000a0f }, | |
1843 | { 112, 0x00022010, 0x0000880e, 0x00000101, 0x00000a0f }, | |
1844 | { 116, 0x00022010, 0x00008812, 0x00000101, 0x00000a0f }, | |
1845 | { 120, 0x00022010, 0x00008816, 0x00000101, 0x00000a0f }, | |
1846 | { 124, 0x00022010, 0x0000881a, 0x00000101, 0x00000a0f }, | |
1847 | { 128, 0x00022010, 0x0000881e, 0x00000101, 0x00000a0f }, | |
1848 | { 132, 0x00022010, 0x00008822, 0x00000101, 0x00000a0f }, | |
1849 | { 136, 0x00022010, 0x00008826, 0x00000101, 0x00000a0f }, | |
1850 | ||
1851 | /* 802.11 UNII */ | |
1852 | { 140, 0x00022010, 0x0000882a, 0x00000101, 0x00000a0f }, | |
1853 | { 149, 0x00022020, 0x000090a6, 0x00000101, 0x00000a07 }, | |
1854 | { 153, 0x00022020, 0x000090ae, 0x00000101, 0x00000a07 }, | |
1855 | { 157, 0x00022020, 0x000090b6, 0x00000101, 0x00000a07 }, | |
1856 | { 161, 0x00022020, 0x000090be, 0x00000101, 0x00000a07 }, | |
1857 | }; | |
1858 | ||
8c5e7a5f | 1859 | static int rt2500pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev) |
95ea3627 ID |
1860 | { |
1861 | struct hw_mode_spec *spec = &rt2x00dev->spec; | |
8c5e7a5f ID |
1862 | struct channel_info *info; |
1863 | char *tx_power; | |
95ea3627 ID |
1864 | unsigned int i; |
1865 | ||
1866 | /* | |
1867 | * Initialize all hw fields. | |
1868 | */ | |
566bfe5a | 1869 | rt2x00dev->hw->flags = IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING | |
4be8c387 JB |
1870 | IEEE80211_HW_SIGNAL_DBM | |
1871 | IEEE80211_HW_SUPPORTS_PS | | |
1872 | IEEE80211_HW_PS_NULLFUNC_STACK; | |
566bfe5a | 1873 | |
14a3bf89 | 1874 | SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev); |
95ea3627 ID |
1875 | SET_IEEE80211_PERM_ADDR(rt2x00dev->hw, |
1876 | rt2x00_eeprom_addr(rt2x00dev, | |
1877 | EEPROM_MAC_ADDR_0)); | |
1878 | ||
8b0df00f SG |
1879 | /* |
1880 | * Disable powersaving as default. | |
1881 | */ | |
1882 | rt2x00dev->hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; | |
1883 | ||
95ea3627 ID |
1884 | /* |
1885 | * Initialize hw_mode information. | |
1886 | */ | |
31562e80 ID |
1887 | spec->supported_bands = SUPPORT_BAND_2GHZ; |
1888 | spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM; | |
95ea3627 | 1889 | |
5122d898 | 1890 | if (rt2x00_rf(rt2x00dev, RF2522)) { |
95ea3627 ID |
1891 | spec->num_channels = ARRAY_SIZE(rf_vals_bg_2522); |
1892 | spec->channels = rf_vals_bg_2522; | |
5122d898 | 1893 | } else if (rt2x00_rf(rt2x00dev, RF2523)) { |
95ea3627 ID |
1894 | spec->num_channels = ARRAY_SIZE(rf_vals_bg_2523); |
1895 | spec->channels = rf_vals_bg_2523; | |
5122d898 | 1896 | } else if (rt2x00_rf(rt2x00dev, RF2524)) { |
95ea3627 ID |
1897 | spec->num_channels = ARRAY_SIZE(rf_vals_bg_2524); |
1898 | spec->channels = rf_vals_bg_2524; | |
5122d898 | 1899 | } else if (rt2x00_rf(rt2x00dev, RF2525)) { |
95ea3627 ID |
1900 | spec->num_channels = ARRAY_SIZE(rf_vals_bg_2525); |
1901 | spec->channels = rf_vals_bg_2525; | |
5122d898 | 1902 | } else if (rt2x00_rf(rt2x00dev, RF2525E)) { |
95ea3627 ID |
1903 | spec->num_channels = ARRAY_SIZE(rf_vals_bg_2525e); |
1904 | spec->channels = rf_vals_bg_2525e; | |
5122d898 | 1905 | } else if (rt2x00_rf(rt2x00dev, RF5222)) { |
31562e80 | 1906 | spec->supported_bands |= SUPPORT_BAND_5GHZ; |
95ea3627 ID |
1907 | spec->num_channels = ARRAY_SIZE(rf_vals_5222); |
1908 | spec->channels = rf_vals_5222; | |
95ea3627 | 1909 | } |
8c5e7a5f ID |
1910 | |
1911 | /* | |
1912 | * Create channel information array | |
1913 | */ | |
baeb2ffa | 1914 | info = kcalloc(spec->num_channels, sizeof(*info), GFP_KERNEL); |
8c5e7a5f ID |
1915 | if (!info) |
1916 | return -ENOMEM; | |
1917 | ||
1918 | spec->channels_info = info; | |
1919 | ||
1920 | tx_power = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_START); | |
8d1331b3 ID |
1921 | for (i = 0; i < 14; i++) { |
1922 | info[i].max_power = MAX_TXPOWER; | |
1923 | info[i].default_power1 = TXPOWER_FROM_DEV(tx_power[i]); | |
1924 | } | |
8c5e7a5f ID |
1925 | |
1926 | if (spec->num_channels > 14) { | |
8d1331b3 ID |
1927 | for (i = 14; i < spec->num_channels; i++) { |
1928 | info[i].max_power = MAX_TXPOWER; | |
1929 | info[i].default_power1 = DEFAULT_TXPOWER; | |
1930 | } | |
8c5e7a5f ID |
1931 | } |
1932 | ||
1933 | return 0; | |
95ea3627 ID |
1934 | } |
1935 | ||
1936 | static int rt2500pci_probe_hw(struct rt2x00_dev *rt2x00dev) | |
1937 | { | |
1938 | int retval; | |
a396e100 | 1939 | u32 reg; |
95ea3627 ID |
1940 | |
1941 | /* | |
1942 | * Allocate eeprom data. | |
1943 | */ | |
1944 | retval = rt2500pci_validate_eeprom(rt2x00dev); | |
1945 | if (retval) | |
1946 | return retval; | |
1947 | ||
1948 | retval = rt2500pci_init_eeprom(rt2x00dev); | |
1949 | if (retval) | |
1950 | return retval; | |
1951 | ||
a396e100 GW |
1952 | /* |
1953 | * Enable rfkill polling by setting GPIO direction of the | |
1954 | * rfkill switch GPIO pin correctly. | |
1955 | */ | |
c517123a | 1956 | rt2x00mmio_register_read(rt2x00dev, GPIOCSR, ®); |
a396e100 | 1957 | rt2x00_set_field32(®, GPIOCSR_DIR0, 1); |
c517123a | 1958 | rt2x00mmio_register_write(rt2x00dev, GPIOCSR, reg); |
a396e100 | 1959 | |
95ea3627 ID |
1960 | /* |
1961 | * Initialize hw specifications. | |
1962 | */ | |
8c5e7a5f ID |
1963 | retval = rt2500pci_probe_hw_mode(rt2x00dev); |
1964 | if (retval) | |
1965 | return retval; | |
95ea3627 ID |
1966 | |
1967 | /* | |
c4da0048 | 1968 | * This device requires the atim queue and DMA-mapped skbs. |
95ea3627 | 1969 | */ |
7dab73b3 ID |
1970 | __set_bit(REQUIRE_ATIM_QUEUE, &rt2x00dev->cap_flags); |
1971 | __set_bit(REQUIRE_DMA, &rt2x00dev->cap_flags); | |
1972 | __set_bit(REQUIRE_SW_SEQNO, &rt2x00dev->cap_flags); | |
95ea3627 ID |
1973 | |
1974 | /* | |
1975 | * Set the rssi offset. | |
1976 | */ | |
1977 | rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET; | |
1978 | ||
1979 | return 0; | |
1980 | } | |
1981 | ||
1982 | /* | |
1983 | * IEEE80211 stack callback functions. | |
1984 | */ | |
37a41b4a EP |
1985 | static u64 rt2500pci_get_tsf(struct ieee80211_hw *hw, |
1986 | struct ieee80211_vif *vif) | |
95ea3627 ID |
1987 | { |
1988 | struct rt2x00_dev *rt2x00dev = hw->priv; | |
1989 | u64 tsf; | |
1990 | u32 reg; | |
1991 | ||
c517123a | 1992 | rt2x00mmio_register_read(rt2x00dev, CSR17, ®); |
95ea3627 | 1993 | tsf = (u64) rt2x00_get_field32(reg, CSR17_HIGH_TSFTIMER) << 32; |
c517123a | 1994 | rt2x00mmio_register_read(rt2x00dev, CSR16, ®); |
95ea3627 ID |
1995 | tsf |= rt2x00_get_field32(reg, CSR16_LOW_TSFTIMER); |
1996 | ||
1997 | return tsf; | |
1998 | } | |
1999 | ||
95ea3627 ID |
2000 | static int rt2500pci_tx_last_beacon(struct ieee80211_hw *hw) |
2001 | { | |
2002 | struct rt2x00_dev *rt2x00dev = hw->priv; | |
2003 | u32 reg; | |
2004 | ||
c517123a | 2005 | rt2x00mmio_register_read(rt2x00dev, CSR15, ®); |
95ea3627 ID |
2006 | return rt2x00_get_field32(reg, CSR15_BEACON_SENT); |
2007 | } | |
2008 | ||
2009 | static const struct ieee80211_ops rt2500pci_mac80211_ops = { | |
2010 | .tx = rt2x00mac_tx, | |
4150c572 JB |
2011 | .start = rt2x00mac_start, |
2012 | .stop = rt2x00mac_stop, | |
95ea3627 ID |
2013 | .add_interface = rt2x00mac_add_interface, |
2014 | .remove_interface = rt2x00mac_remove_interface, | |
2015 | .config = rt2x00mac_config, | |
3a643d24 | 2016 | .configure_filter = rt2x00mac_configure_filter, |
d8147f9d ID |
2017 | .sw_scan_start = rt2x00mac_sw_scan_start, |
2018 | .sw_scan_complete = rt2x00mac_sw_scan_complete, | |
95ea3627 | 2019 | .get_stats = rt2x00mac_get_stats, |
471b3efd | 2020 | .bss_info_changed = rt2x00mac_bss_info_changed, |
95ea3627 | 2021 | .conf_tx = rt2x00mac_conf_tx, |
95ea3627 | 2022 | .get_tsf = rt2500pci_get_tsf, |
95ea3627 | 2023 | .tx_last_beacon = rt2500pci_tx_last_beacon, |
e47a5cdd | 2024 | .rfkill_poll = rt2x00mac_rfkill_poll, |
f44df18c | 2025 | .flush = rt2x00mac_flush, |
0ed7b3c0 ID |
2026 | .set_antenna = rt2x00mac_set_antenna, |
2027 | .get_antenna = rt2x00mac_get_antenna, | |
e7dee444 | 2028 | .get_ringparam = rt2x00mac_get_ringparam, |
5f0dd296 | 2029 | .tx_frames_pending = rt2x00mac_tx_frames_pending, |
95ea3627 ID |
2030 | }; |
2031 | ||
2032 | static const struct rt2x00lib_ops rt2500pci_rt2x00_ops = { | |
2033 | .irq_handler = rt2500pci_interrupt, | |
16222a0d HS |
2034 | .txstatus_tasklet = rt2500pci_txstatus_tasklet, |
2035 | .tbtt_tasklet = rt2500pci_tbtt_tasklet, | |
2036 | .rxdone_tasklet = rt2500pci_rxdone_tasklet, | |
95ea3627 | 2037 | .probe_hw = rt2500pci_probe_hw, |
c517123a GJ |
2038 | .initialize = rt2x00mmio_initialize, |
2039 | .uninitialize = rt2x00mmio_uninitialize, | |
798b7adb ID |
2040 | .get_entry_state = rt2500pci_get_entry_state, |
2041 | .clear_entry = rt2500pci_clear_entry, | |
95ea3627 | 2042 | .set_device_state = rt2500pci_set_device_state, |
95ea3627 | 2043 | .rfkill_poll = rt2500pci_rfkill_poll, |
95ea3627 ID |
2044 | .link_stats = rt2500pci_link_stats, |
2045 | .reset_tuner = rt2500pci_reset_tuner, | |
2046 | .link_tuner = rt2500pci_link_tuner, | |
dbba306f ID |
2047 | .start_queue = rt2500pci_start_queue, |
2048 | .kick_queue = rt2500pci_kick_queue, | |
2049 | .stop_queue = rt2500pci_stop_queue, | |
c517123a | 2050 | .flush_queue = rt2x00mmio_flush_queue, |
95ea3627 | 2051 | .write_tx_desc = rt2500pci_write_tx_desc, |
bd88a781 | 2052 | .write_beacon = rt2500pci_write_beacon, |
95ea3627 | 2053 | .fill_rxdone = rt2500pci_fill_rxdone, |
3a643d24 | 2054 | .config_filter = rt2500pci_config_filter, |
6bb40dd1 | 2055 | .config_intf = rt2500pci_config_intf, |
72810379 | 2056 | .config_erp = rt2500pci_config_erp, |
e4ea1c40 | 2057 | .config_ant = rt2500pci_config_ant, |
95ea3627 ID |
2058 | .config = rt2500pci_config, |
2059 | }; | |
2060 | ||
7c030821 GJ |
2061 | static void rt2500pci_queue_init(struct data_queue *queue) |
2062 | { | |
2063 | switch (queue->qid) { | |
2064 | case QID_RX: | |
2065 | queue->limit = 32; | |
2066 | queue->data_size = DATA_FRAME_SIZE; | |
2067 | queue->desc_size = RXD_DESC_SIZE; | |
2068 | queue->priv_size = sizeof(struct queue_entry_priv_mmio); | |
2069 | break; | |
181d6902 | 2070 | |
7c030821 GJ |
2071 | case QID_AC_VO: |
2072 | case QID_AC_VI: | |
2073 | case QID_AC_BE: | |
2074 | case QID_AC_BK: | |
2075 | queue->limit = 32; | |
2076 | queue->data_size = DATA_FRAME_SIZE; | |
2077 | queue->desc_size = TXD_DESC_SIZE; | |
2078 | queue->priv_size = sizeof(struct queue_entry_priv_mmio); | |
2079 | break; | |
181d6902 | 2080 | |
7c030821 GJ |
2081 | case QID_BEACON: |
2082 | queue->limit = 1; | |
2083 | queue->data_size = MGMT_FRAME_SIZE; | |
2084 | queue->desc_size = TXD_DESC_SIZE; | |
2085 | queue->priv_size = sizeof(struct queue_entry_priv_mmio); | |
2086 | break; | |
181d6902 | 2087 | |
7c030821 GJ |
2088 | case QID_ATIM: |
2089 | queue->limit = 8; | |
2090 | queue->data_size = DATA_FRAME_SIZE; | |
2091 | queue->desc_size = TXD_DESC_SIZE; | |
2092 | queue->priv_size = sizeof(struct queue_entry_priv_mmio); | |
2093 | break; | |
2094 | ||
2095 | default: | |
2096 | BUG(); | |
2097 | break; | |
2098 | } | |
2099 | } | |
181d6902 | 2100 | |
95ea3627 | 2101 | static const struct rt2x00_ops rt2500pci_ops = { |
04d0362e | 2102 | .name = KBUILD_MODNAME, |
04d0362e GW |
2103 | .max_ap_intf = 1, |
2104 | .eeprom_size = EEPROM_SIZE, | |
2105 | .rf_size = RF_SIZE, | |
2106 | .tx_queues = NUM_TX_QUEUES, | |
7c030821 | 2107 | .queue_init = rt2500pci_queue_init, |
04d0362e GW |
2108 | .lib = &rt2500pci_rt2x00_ops, |
2109 | .hw = &rt2500pci_mac80211_ops, | |
95ea3627 | 2110 | #ifdef CONFIG_RT2X00_LIB_DEBUGFS |
04d0362e | 2111 | .debugfs = &rt2500pci_rt2x00debug, |
95ea3627 ID |
2112 | #endif /* CONFIG_RT2X00_LIB_DEBUGFS */ |
2113 | }; | |
2114 | ||
2115 | /* | |
2116 | * RT2500pci module information. | |
2117 | */ | |
a3aa1884 | 2118 | static DEFINE_PCI_DEVICE_TABLE(rt2500pci_device_table) = { |
e01ae27f | 2119 | { PCI_DEVICE(0x1814, 0x0201) }, |
95ea3627 ID |
2120 | { 0, } |
2121 | }; | |
2122 | ||
2123 | MODULE_AUTHOR(DRV_PROJECT); | |
2124 | MODULE_VERSION(DRV_VERSION); | |
2125 | MODULE_DESCRIPTION("Ralink RT2500 PCI & PCMCIA Wireless LAN driver."); | |
2126 | MODULE_SUPPORTED_DEVICE("Ralink RT2560 PCI & PCMCIA chipset based cards"); | |
2127 | MODULE_DEVICE_TABLE(pci, rt2500pci_device_table); | |
2128 | MODULE_LICENSE("GPL"); | |
2129 | ||
e01ae27f GW |
2130 | static int rt2500pci_probe(struct pci_dev *pci_dev, |
2131 | const struct pci_device_id *id) | |
2132 | { | |
2133 | return rt2x00pci_probe(pci_dev, &rt2500pci_ops); | |
2134 | } | |
2135 | ||
95ea3627 | 2136 | static struct pci_driver rt2500pci_driver = { |
2360157c | 2137 | .name = KBUILD_MODNAME, |
95ea3627 | 2138 | .id_table = rt2500pci_device_table, |
e01ae27f | 2139 | .probe = rt2500pci_probe, |
69202359 | 2140 | .remove = rt2x00pci_remove, |
95ea3627 ID |
2141 | .suspend = rt2x00pci_suspend, |
2142 | .resume = rt2x00pci_resume, | |
2143 | }; | |
2144 | ||
5b0a3b7e | 2145 | module_pci_driver(rt2500pci_driver); |