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95ea3627 | 1 | /* |
811aa9ca | 2 | Copyright (C) 2004 - 2008 rt2x00 SourceForge Project |
95ea3627 ID |
3 | <http://rt2x00.serialmonkey.com> |
4 | ||
5 | This program is free software; you can redistribute it and/or modify | |
6 | it under the terms of the GNU General Public License as published by | |
7 | the Free Software Foundation; either version 2 of the License, or | |
8 | (at your option) any later version. | |
9 | ||
10 | This program is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | GNU General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License | |
16 | along with this program; if not, write to the | |
17 | Free Software Foundation, Inc., | |
18 | 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
19 | */ | |
20 | ||
21 | /* | |
22 | Module: rt61pci | |
23 | Abstract: rt61pci device specific routines. | |
24 | Supported chipsets: RT2561, RT2561s, RT2661. | |
25 | */ | |
26 | ||
a7f3a06c | 27 | #include <linux/crc-itu-t.h> |
95ea3627 ID |
28 | #include <linux/delay.h> |
29 | #include <linux/etherdevice.h> | |
30 | #include <linux/init.h> | |
31 | #include <linux/kernel.h> | |
32 | #include <linux/module.h> | |
33 | #include <linux/pci.h> | |
34 | #include <linux/eeprom_93cx6.h> | |
35 | ||
36 | #include "rt2x00.h" | |
37 | #include "rt2x00pci.h" | |
38 | #include "rt61pci.h" | |
39 | ||
40 | /* | |
41 | * Register access. | |
42 | * BBP and RF register require indirect register access, | |
43 | * and use the CSR registers PHY_CSR3 and PHY_CSR4 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 | */ | |
0e14f6d3 | 51 | static u32 rt61pci_bbp_check(struct rt2x00_dev *rt2x00dev) |
95ea3627 ID |
52 | { |
53 | u32 reg; | |
54 | unsigned int i; | |
55 | ||
56 | for (i = 0; i < REGISTER_BUSY_COUNT; i++) { | |
57 | rt2x00pci_register_read(rt2x00dev, PHY_CSR3, ®); | |
58 | if (!rt2x00_get_field32(reg, PHY_CSR3_BUSY)) | |
59 | break; | |
60 | udelay(REGISTER_BUSY_DELAY); | |
61 | } | |
62 | ||
63 | return reg; | |
64 | } | |
65 | ||
0e14f6d3 | 66 | static void rt61pci_bbp_write(struct rt2x00_dev *rt2x00dev, |
95ea3627 ID |
67 | const unsigned int word, const u8 value) |
68 | { | |
69 | u32 reg; | |
70 | ||
71 | /* | |
72 | * Wait until the BBP becomes ready. | |
73 | */ | |
74 | reg = rt61pci_bbp_check(rt2x00dev); | |
75 | if (rt2x00_get_field32(reg, PHY_CSR3_BUSY)) { | |
76 | ERROR(rt2x00dev, "PHY_CSR3 register busy. Write failed.\n"); | |
77 | return; | |
78 | } | |
79 | ||
80 | /* | |
81 | * Write the data into the BBP. | |
82 | */ | |
83 | reg = 0; | |
84 | rt2x00_set_field32(®, PHY_CSR3_VALUE, value); | |
85 | rt2x00_set_field32(®, PHY_CSR3_REGNUM, word); | |
86 | rt2x00_set_field32(®, PHY_CSR3_BUSY, 1); | |
87 | rt2x00_set_field32(®, PHY_CSR3_READ_CONTROL, 0); | |
88 | ||
89 | rt2x00pci_register_write(rt2x00dev, PHY_CSR3, reg); | |
90 | } | |
91 | ||
0e14f6d3 | 92 | static void rt61pci_bbp_read(struct rt2x00_dev *rt2x00dev, |
95ea3627 ID |
93 | const unsigned int word, u8 *value) |
94 | { | |
95 | u32 reg; | |
96 | ||
97 | /* | |
98 | * Wait until the BBP becomes ready. | |
99 | */ | |
100 | reg = rt61pci_bbp_check(rt2x00dev); | |
101 | if (rt2x00_get_field32(reg, PHY_CSR3_BUSY)) { | |
102 | ERROR(rt2x00dev, "PHY_CSR3 register busy. Read failed.\n"); | |
103 | return; | |
104 | } | |
105 | ||
106 | /* | |
107 | * Write the request into the BBP. | |
108 | */ | |
109 | reg = 0; | |
110 | rt2x00_set_field32(®, PHY_CSR3_REGNUM, word); | |
111 | rt2x00_set_field32(®, PHY_CSR3_BUSY, 1); | |
112 | rt2x00_set_field32(®, PHY_CSR3_READ_CONTROL, 1); | |
113 | ||
114 | rt2x00pci_register_write(rt2x00dev, PHY_CSR3, reg); | |
115 | ||
116 | /* | |
117 | * Wait until the BBP becomes ready. | |
118 | */ | |
119 | reg = rt61pci_bbp_check(rt2x00dev); | |
120 | if (rt2x00_get_field32(reg, PHY_CSR3_BUSY)) { | |
121 | ERROR(rt2x00dev, "PHY_CSR3 register busy. Read failed.\n"); | |
122 | *value = 0xff; | |
123 | return; | |
124 | } | |
125 | ||
126 | *value = rt2x00_get_field32(reg, PHY_CSR3_VALUE); | |
127 | } | |
128 | ||
0e14f6d3 | 129 | static void rt61pci_rf_write(struct rt2x00_dev *rt2x00dev, |
95ea3627 ID |
130 | const unsigned int word, const u32 value) |
131 | { | |
132 | u32 reg; | |
133 | unsigned int i; | |
134 | ||
135 | if (!word) | |
136 | return; | |
137 | ||
138 | for (i = 0; i < REGISTER_BUSY_COUNT; i++) { | |
139 | rt2x00pci_register_read(rt2x00dev, PHY_CSR4, ®); | |
140 | if (!rt2x00_get_field32(reg, PHY_CSR4_BUSY)) | |
141 | goto rf_write; | |
142 | udelay(REGISTER_BUSY_DELAY); | |
143 | } | |
144 | ||
145 | ERROR(rt2x00dev, "PHY_CSR4 register busy. Write failed.\n"); | |
146 | return; | |
147 | ||
148 | rf_write: | |
149 | reg = 0; | |
150 | rt2x00_set_field32(®, PHY_CSR4_VALUE, value); | |
151 | rt2x00_set_field32(®, PHY_CSR4_NUMBER_OF_BITS, 21); | |
152 | rt2x00_set_field32(®, PHY_CSR4_IF_SELECT, 0); | |
153 | rt2x00_set_field32(®, PHY_CSR4_BUSY, 1); | |
154 | ||
155 | rt2x00pci_register_write(rt2x00dev, PHY_CSR4, reg); | |
156 | rt2x00_rf_write(rt2x00dev, word, value); | |
157 | } | |
158 | ||
a9450b70 ID |
159 | #ifdef CONFIG_RT61PCI_LEDS |
160 | /* | |
161 | * This function is only called from rt61pci_led_brightness() | |
162 | * make gcc happy by placing this function inside the | |
163 | * same ifdef statement as the caller. | |
164 | */ | |
0e14f6d3 | 165 | static void rt61pci_mcu_request(struct rt2x00_dev *rt2x00dev, |
95ea3627 ID |
166 | const u8 command, const u8 token, |
167 | const u8 arg0, const u8 arg1) | |
168 | { | |
169 | u32 reg; | |
170 | ||
171 | rt2x00pci_register_read(rt2x00dev, H2M_MAILBOX_CSR, ®); | |
172 | ||
173 | if (rt2x00_get_field32(reg, H2M_MAILBOX_CSR_OWNER)) { | |
174 | ERROR(rt2x00dev, "mcu request error. " | |
175 | "Request 0x%02x failed for token 0x%02x.\n", | |
176 | command, token); | |
177 | return; | |
178 | } | |
179 | ||
180 | rt2x00_set_field32(®, H2M_MAILBOX_CSR_OWNER, 1); | |
181 | rt2x00_set_field32(®, H2M_MAILBOX_CSR_CMD_TOKEN, token); | |
182 | rt2x00_set_field32(®, H2M_MAILBOX_CSR_ARG0, arg0); | |
183 | rt2x00_set_field32(®, H2M_MAILBOX_CSR_ARG1, arg1); | |
184 | rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_CSR, reg); | |
185 | ||
186 | rt2x00pci_register_read(rt2x00dev, HOST_CMD_CSR, ®); | |
187 | rt2x00_set_field32(®, HOST_CMD_CSR_HOST_COMMAND, command); | |
188 | rt2x00_set_field32(®, HOST_CMD_CSR_INTERRUPT_MCU, 1); | |
189 | rt2x00pci_register_write(rt2x00dev, HOST_CMD_CSR, reg); | |
190 | } | |
a9450b70 | 191 | #endif /* CONFIG_RT61PCI_LEDS */ |
95ea3627 ID |
192 | |
193 | static void rt61pci_eepromregister_read(struct eeprom_93cx6 *eeprom) | |
194 | { | |
195 | struct rt2x00_dev *rt2x00dev = eeprom->data; | |
196 | u32 reg; | |
197 | ||
198 | rt2x00pci_register_read(rt2x00dev, E2PROM_CSR, ®); | |
199 | ||
200 | eeprom->reg_data_in = !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_IN); | |
201 | eeprom->reg_data_out = !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_OUT); | |
202 | eeprom->reg_data_clock = | |
203 | !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_CLOCK); | |
204 | eeprom->reg_chip_select = | |
205 | !!rt2x00_get_field32(reg, E2PROM_CSR_CHIP_SELECT); | |
206 | } | |
207 | ||
208 | static void rt61pci_eepromregister_write(struct eeprom_93cx6 *eeprom) | |
209 | { | |
210 | struct rt2x00_dev *rt2x00dev = eeprom->data; | |
211 | u32 reg = 0; | |
212 | ||
213 | rt2x00_set_field32(®, E2PROM_CSR_DATA_IN, !!eeprom->reg_data_in); | |
214 | rt2x00_set_field32(®, E2PROM_CSR_DATA_OUT, !!eeprom->reg_data_out); | |
215 | rt2x00_set_field32(®, E2PROM_CSR_DATA_CLOCK, | |
216 | !!eeprom->reg_data_clock); | |
217 | rt2x00_set_field32(®, E2PROM_CSR_CHIP_SELECT, | |
218 | !!eeprom->reg_chip_select); | |
219 | ||
220 | rt2x00pci_register_write(rt2x00dev, E2PROM_CSR, reg); | |
221 | } | |
222 | ||
223 | #ifdef CONFIG_RT2X00_LIB_DEBUGFS | |
224 | #define CSR_OFFSET(__word) ( CSR_REG_BASE + ((__word) * sizeof(u32)) ) | |
225 | ||
0e14f6d3 | 226 | static void rt61pci_read_csr(struct rt2x00_dev *rt2x00dev, |
95ea3627 ID |
227 | const unsigned int word, u32 *data) |
228 | { | |
229 | rt2x00pci_register_read(rt2x00dev, CSR_OFFSET(word), data); | |
230 | } | |
231 | ||
0e14f6d3 | 232 | static void rt61pci_write_csr(struct rt2x00_dev *rt2x00dev, |
95ea3627 ID |
233 | const unsigned int word, u32 data) |
234 | { | |
235 | rt2x00pci_register_write(rt2x00dev, CSR_OFFSET(word), data); | |
236 | } | |
237 | ||
238 | static const struct rt2x00debug rt61pci_rt2x00debug = { | |
239 | .owner = THIS_MODULE, | |
240 | .csr = { | |
241 | .read = rt61pci_read_csr, | |
242 | .write = rt61pci_write_csr, | |
243 | .word_size = sizeof(u32), | |
244 | .word_count = CSR_REG_SIZE / sizeof(u32), | |
245 | }, | |
246 | .eeprom = { | |
247 | .read = rt2x00_eeprom_read, | |
248 | .write = rt2x00_eeprom_write, | |
249 | .word_size = sizeof(u16), | |
250 | .word_count = EEPROM_SIZE / sizeof(u16), | |
251 | }, | |
252 | .bbp = { | |
253 | .read = rt61pci_bbp_read, | |
254 | .write = rt61pci_bbp_write, | |
255 | .word_size = sizeof(u8), | |
256 | .word_count = BBP_SIZE / sizeof(u8), | |
257 | }, | |
258 | .rf = { | |
259 | .read = rt2x00_rf_read, | |
260 | .write = rt61pci_rf_write, | |
261 | .word_size = sizeof(u32), | |
262 | .word_count = RF_SIZE / sizeof(u32), | |
263 | }, | |
264 | }; | |
265 | #endif /* CONFIG_RT2X00_LIB_DEBUGFS */ | |
266 | ||
267 | #ifdef CONFIG_RT61PCI_RFKILL | |
268 | static int rt61pci_rfkill_poll(struct rt2x00_dev *rt2x00dev) | |
269 | { | |
270 | u32 reg; | |
271 | ||
272 | rt2x00pci_register_read(rt2x00dev, MAC_CSR13, ®); | |
181d6902 | 273 | return rt2x00_get_field32(reg, MAC_CSR13_BIT5); |
95ea3627 | 274 | } |
81873e9c ID |
275 | #else |
276 | #define rt61pci_rfkill_poll NULL | |
dcf5475b | 277 | #endif /* CONFIG_RT61PCI_RFKILL */ |
95ea3627 | 278 | |
a9450b70 | 279 | #ifdef CONFIG_RT61PCI_LEDS |
a2e1d52a | 280 | static void rt61pci_brightness_set(struct led_classdev *led_cdev, |
a9450b70 ID |
281 | enum led_brightness brightness) |
282 | { | |
283 | struct rt2x00_led *led = | |
284 | container_of(led_cdev, struct rt2x00_led, led_dev); | |
285 | unsigned int enabled = brightness != LED_OFF; | |
286 | unsigned int a_mode = | |
287 | (enabled && led->rt2x00dev->curr_band == IEEE80211_BAND_5GHZ); | |
288 | unsigned int bg_mode = | |
289 | (enabled && led->rt2x00dev->curr_band == IEEE80211_BAND_2GHZ); | |
290 | ||
291 | if (led->type == LED_TYPE_RADIO) { | |
292 | rt2x00_set_field16(&led->rt2x00dev->led_mcu_reg, | |
293 | MCU_LEDCS_RADIO_STATUS, enabled); | |
294 | ||
295 | rt61pci_mcu_request(led->rt2x00dev, MCU_LED, 0xff, | |
296 | (led->rt2x00dev->led_mcu_reg & 0xff), | |
297 | ((led->rt2x00dev->led_mcu_reg >> 8))); | |
298 | } else if (led->type == LED_TYPE_ASSOC) { | |
299 | rt2x00_set_field16(&led->rt2x00dev->led_mcu_reg, | |
300 | MCU_LEDCS_LINK_BG_STATUS, bg_mode); | |
301 | rt2x00_set_field16(&led->rt2x00dev->led_mcu_reg, | |
302 | MCU_LEDCS_LINK_A_STATUS, a_mode); | |
303 | ||
304 | rt61pci_mcu_request(led->rt2x00dev, MCU_LED, 0xff, | |
305 | (led->rt2x00dev->led_mcu_reg & 0xff), | |
306 | ((led->rt2x00dev->led_mcu_reg >> 8))); | |
307 | } else if (led->type == LED_TYPE_QUALITY) { | |
308 | /* | |
309 | * The brightness is divided into 6 levels (0 - 5), | |
310 | * this means we need to convert the brightness | |
311 | * argument into the matching level within that range. | |
312 | */ | |
313 | rt61pci_mcu_request(led->rt2x00dev, MCU_LED_STRENGTH, 0xff, | |
314 | brightness / (LED_FULL / 6), 0); | |
315 | } | |
316 | } | |
a2e1d52a ID |
317 | |
318 | static int rt61pci_blink_set(struct led_classdev *led_cdev, | |
319 | unsigned long *delay_on, | |
320 | unsigned long *delay_off) | |
321 | { | |
322 | struct rt2x00_led *led = | |
323 | container_of(led_cdev, struct rt2x00_led, led_dev); | |
324 | u32 reg; | |
325 | ||
326 | rt2x00pci_register_read(led->rt2x00dev, MAC_CSR14, ®); | |
327 | rt2x00_set_field32(®, MAC_CSR14_ON_PERIOD, *delay_on); | |
328 | rt2x00_set_field32(®, MAC_CSR14_OFF_PERIOD, *delay_off); | |
329 | rt2x00pci_register_write(led->rt2x00dev, MAC_CSR14, reg); | |
330 | ||
331 | return 0; | |
332 | } | |
a9450b70 ID |
333 | #endif /* CONFIG_RT61PCI_LEDS */ |
334 | ||
95ea3627 ID |
335 | /* |
336 | * Configuration handlers. | |
337 | */ | |
3a643d24 ID |
338 | static void rt61pci_config_filter(struct rt2x00_dev *rt2x00dev, |
339 | const unsigned int filter_flags) | |
340 | { | |
341 | u32 reg; | |
342 | ||
343 | /* | |
344 | * Start configuration steps. | |
345 | * Note that the version error will always be dropped | |
346 | * and broadcast frames will always be accepted since | |
347 | * there is no filter for it at this time. | |
348 | */ | |
349 | rt2x00pci_register_read(rt2x00dev, TXRX_CSR0, ®); | |
350 | rt2x00_set_field32(®, TXRX_CSR0_DROP_CRC, | |
351 | !(filter_flags & FIF_FCSFAIL)); | |
352 | rt2x00_set_field32(®, TXRX_CSR0_DROP_PHYSICAL, | |
353 | !(filter_flags & FIF_PLCPFAIL)); | |
354 | rt2x00_set_field32(®, TXRX_CSR0_DROP_CONTROL, | |
355 | !(filter_flags & FIF_CONTROL)); | |
356 | rt2x00_set_field32(®, TXRX_CSR0_DROP_NOT_TO_ME, | |
357 | !(filter_flags & FIF_PROMISC_IN_BSS)); | |
358 | rt2x00_set_field32(®, TXRX_CSR0_DROP_TO_DS, | |
e0b005fa ID |
359 | !(filter_flags & FIF_PROMISC_IN_BSS) && |
360 | !rt2x00dev->intf_ap_count); | |
3a643d24 ID |
361 | rt2x00_set_field32(®, TXRX_CSR0_DROP_VERSION_ERROR, 1); |
362 | rt2x00_set_field32(®, TXRX_CSR0_DROP_MULTICAST, | |
363 | !(filter_flags & FIF_ALLMULTI)); | |
364 | rt2x00_set_field32(®, TXRX_CSR0_DROP_BROADCAST, 0); | |
365 | rt2x00_set_field32(®, TXRX_CSR0_DROP_ACK_CTS, | |
366 | !(filter_flags & FIF_CONTROL)); | |
367 | rt2x00pci_register_write(rt2x00dev, TXRX_CSR0, reg); | |
368 | } | |
369 | ||
6bb40dd1 ID |
370 | static void rt61pci_config_intf(struct rt2x00_dev *rt2x00dev, |
371 | struct rt2x00_intf *intf, | |
372 | struct rt2x00intf_conf *conf, | |
373 | const unsigned int flags) | |
95ea3627 | 374 | { |
6bb40dd1 ID |
375 | unsigned int beacon_base; |
376 | u32 reg; | |
95ea3627 | 377 | |
6bb40dd1 ID |
378 | if (flags & CONFIG_UPDATE_TYPE) { |
379 | /* | |
380 | * Clear current synchronisation setup. | |
381 | * For the Beacon base registers we only need to clear | |
382 | * the first byte since that byte contains the VALID and OWNER | |
383 | * bits which (when set to 0) will invalidate the entire beacon. | |
384 | */ | |
385 | beacon_base = HW_BEACON_OFFSET(intf->beacon->entry_idx); | |
6bb40dd1 | 386 | rt2x00pci_register_write(rt2x00dev, beacon_base, 0); |
95ea3627 | 387 | |
6bb40dd1 ID |
388 | /* |
389 | * Enable synchronisation. | |
390 | */ | |
391 | rt2x00pci_register_read(rt2x00dev, TXRX_CSR9, ®); | |
fd3c91c5 | 392 | rt2x00_set_field32(®, TXRX_CSR9_TSF_TICKING, 1); |
6bb40dd1 | 393 | rt2x00_set_field32(®, TXRX_CSR9_TSF_SYNC, conf->sync); |
fd3c91c5 | 394 | rt2x00_set_field32(®, TXRX_CSR9_TBTT_ENABLE, 1); |
6bb40dd1 ID |
395 | rt2x00pci_register_write(rt2x00dev, TXRX_CSR9, reg); |
396 | } | |
95ea3627 | 397 | |
6bb40dd1 ID |
398 | if (flags & CONFIG_UPDATE_MAC) { |
399 | reg = le32_to_cpu(conf->mac[1]); | |
400 | rt2x00_set_field32(®, MAC_CSR3_UNICAST_TO_ME_MASK, 0xff); | |
401 | conf->mac[1] = cpu_to_le32(reg); | |
95ea3627 | 402 | |
6bb40dd1 ID |
403 | rt2x00pci_register_multiwrite(rt2x00dev, MAC_CSR2, |
404 | conf->mac, sizeof(conf->mac)); | |
405 | } | |
95ea3627 | 406 | |
6bb40dd1 ID |
407 | if (flags & CONFIG_UPDATE_BSSID) { |
408 | reg = le32_to_cpu(conf->bssid[1]); | |
409 | rt2x00_set_field32(®, MAC_CSR5_BSS_ID_MASK, 3); | |
410 | conf->bssid[1] = cpu_to_le32(reg); | |
95ea3627 | 411 | |
6bb40dd1 ID |
412 | rt2x00pci_register_multiwrite(rt2x00dev, MAC_CSR4, |
413 | conf->bssid, sizeof(conf->bssid)); | |
414 | } | |
95ea3627 ID |
415 | } |
416 | ||
3a643d24 ID |
417 | static void rt61pci_config_erp(struct rt2x00_dev *rt2x00dev, |
418 | struct rt2x00lib_erp *erp) | |
95ea3627 | 419 | { |
95ea3627 | 420 | u32 reg; |
95ea3627 ID |
421 | |
422 | rt2x00pci_register_read(rt2x00dev, TXRX_CSR0, ®); | |
72810379 | 423 | rt2x00_set_field32(®, TXRX_CSR0_RX_ACK_TIMEOUT, erp->ack_timeout); |
95ea3627 ID |
424 | rt2x00pci_register_write(rt2x00dev, TXRX_CSR0, reg); |
425 | ||
426 | rt2x00pci_register_read(rt2x00dev, TXRX_CSR4, ®); | |
4f5af6eb | 427 | rt2x00_set_field32(®, TXRX_CSR4_AUTORESPOND_PREAMBLE, |
72810379 | 428 | !!erp->short_preamble); |
95ea3627 ID |
429 | rt2x00pci_register_write(rt2x00dev, TXRX_CSR4, reg); |
430 | } | |
431 | ||
432 | static void rt61pci_config_phymode(struct rt2x00_dev *rt2x00dev, | |
5c58ee51 | 433 | const int basic_rate_mask) |
95ea3627 | 434 | { |
5c58ee51 | 435 | rt2x00pci_register_write(rt2x00dev, TXRX_CSR5, basic_rate_mask); |
95ea3627 ID |
436 | } |
437 | ||
5c58ee51 ID |
438 | static void rt61pci_config_channel(struct rt2x00_dev *rt2x00dev, |
439 | struct rf_channel *rf, const int txpower) | |
95ea3627 ID |
440 | { |
441 | u8 r3; | |
442 | u8 r94; | |
443 | u8 smart; | |
444 | ||
445 | rt2x00_set_field32(&rf->rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower)); | |
446 | rt2x00_set_field32(&rf->rf4, RF4_FREQ_OFFSET, rt2x00dev->freq_offset); | |
447 | ||
448 | smart = !(rt2x00_rf(&rt2x00dev->chip, RF5225) || | |
449 | rt2x00_rf(&rt2x00dev->chip, RF2527)); | |
450 | ||
451 | rt61pci_bbp_read(rt2x00dev, 3, &r3); | |
452 | rt2x00_set_field8(&r3, BBP_R3_SMART_MODE, smart); | |
453 | rt61pci_bbp_write(rt2x00dev, 3, r3); | |
454 | ||
455 | r94 = 6; | |
456 | if (txpower > MAX_TXPOWER && txpower <= (MAX_TXPOWER + r94)) | |
457 | r94 += txpower - MAX_TXPOWER; | |
458 | else if (txpower < MIN_TXPOWER && txpower >= (MIN_TXPOWER - r94)) | |
459 | r94 += txpower; | |
460 | rt61pci_bbp_write(rt2x00dev, 94, r94); | |
461 | ||
462 | rt61pci_rf_write(rt2x00dev, 1, rf->rf1); | |
463 | rt61pci_rf_write(rt2x00dev, 2, rf->rf2); | |
464 | rt61pci_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004); | |
465 | rt61pci_rf_write(rt2x00dev, 4, rf->rf4); | |
466 | ||
467 | udelay(200); | |
468 | ||
469 | rt61pci_rf_write(rt2x00dev, 1, rf->rf1); | |
470 | rt61pci_rf_write(rt2x00dev, 2, rf->rf2); | |
471 | rt61pci_rf_write(rt2x00dev, 3, rf->rf3 | 0x00000004); | |
472 | rt61pci_rf_write(rt2x00dev, 4, rf->rf4); | |
473 | ||
474 | udelay(200); | |
475 | ||
476 | rt61pci_rf_write(rt2x00dev, 1, rf->rf1); | |
477 | rt61pci_rf_write(rt2x00dev, 2, rf->rf2); | |
478 | rt61pci_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004); | |
479 | rt61pci_rf_write(rt2x00dev, 4, rf->rf4); | |
480 | ||
481 | msleep(1); | |
482 | } | |
483 | ||
95ea3627 ID |
484 | static void rt61pci_config_txpower(struct rt2x00_dev *rt2x00dev, |
485 | const int txpower) | |
486 | { | |
487 | struct rf_channel rf; | |
488 | ||
489 | rt2x00_rf_read(rt2x00dev, 1, &rf.rf1); | |
490 | rt2x00_rf_read(rt2x00dev, 2, &rf.rf2); | |
491 | rt2x00_rf_read(rt2x00dev, 3, &rf.rf3); | |
492 | rt2x00_rf_read(rt2x00dev, 4, &rf.rf4); | |
493 | ||
5c58ee51 | 494 | rt61pci_config_channel(rt2x00dev, &rf, txpower); |
95ea3627 ID |
495 | } |
496 | ||
497 | static void rt61pci_config_antenna_5x(struct rt2x00_dev *rt2x00dev, | |
addc81bd | 498 | struct antenna_setup *ant) |
95ea3627 ID |
499 | { |
500 | u8 r3; | |
501 | u8 r4; | |
502 | u8 r77; | |
503 | ||
504 | rt61pci_bbp_read(rt2x00dev, 3, &r3); | |
505 | rt61pci_bbp_read(rt2x00dev, 4, &r4); | |
506 | rt61pci_bbp_read(rt2x00dev, 77, &r77); | |
507 | ||
508 | rt2x00_set_field8(&r3, BBP_R3_SMART_MODE, | |
acaa410d | 509 | rt2x00_rf(&rt2x00dev->chip, RF5325)); |
e4cd2ff8 ID |
510 | |
511 | /* | |
512 | * Configure the RX antenna. | |
513 | */ | |
addc81bd | 514 | switch (ant->rx) { |
95ea3627 | 515 | case ANTENNA_HW_DIVERSITY: |
acaa410d | 516 | rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 2); |
95ea3627 | 517 | rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, |
8318d78a | 518 | (rt2x00dev->curr_band != IEEE80211_BAND_5GHZ)); |
95ea3627 ID |
519 | break; |
520 | case ANTENNA_A: | |
acaa410d | 521 | rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1); |
95ea3627 | 522 | rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, 0); |
8318d78a | 523 | if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ) |
acaa410d MN |
524 | rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 0); |
525 | else | |
526 | rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 3); | |
95ea3627 ID |
527 | break; |
528 | case ANTENNA_B: | |
a4fe07d9 | 529 | default: |
acaa410d | 530 | rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1); |
95ea3627 | 531 | rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, 0); |
8318d78a | 532 | if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ) |
acaa410d MN |
533 | rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 3); |
534 | else | |
535 | rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 0); | |
95ea3627 ID |
536 | break; |
537 | } | |
538 | ||
539 | rt61pci_bbp_write(rt2x00dev, 77, r77); | |
540 | rt61pci_bbp_write(rt2x00dev, 3, r3); | |
541 | rt61pci_bbp_write(rt2x00dev, 4, r4); | |
542 | } | |
543 | ||
544 | static void rt61pci_config_antenna_2x(struct rt2x00_dev *rt2x00dev, | |
addc81bd | 545 | struct antenna_setup *ant) |
95ea3627 ID |
546 | { |
547 | u8 r3; | |
548 | u8 r4; | |
549 | u8 r77; | |
550 | ||
551 | rt61pci_bbp_read(rt2x00dev, 3, &r3); | |
552 | rt61pci_bbp_read(rt2x00dev, 4, &r4); | |
553 | rt61pci_bbp_read(rt2x00dev, 77, &r77); | |
554 | ||
555 | rt2x00_set_field8(&r3, BBP_R3_SMART_MODE, | |
acaa410d | 556 | rt2x00_rf(&rt2x00dev->chip, RF2529)); |
95ea3627 ID |
557 | rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, |
558 | !test_bit(CONFIG_FRAME_TYPE, &rt2x00dev->flags)); | |
559 | ||
e4cd2ff8 ID |
560 | /* |
561 | * Configure the RX antenna. | |
562 | */ | |
addc81bd | 563 | switch (ant->rx) { |
95ea3627 | 564 | case ANTENNA_HW_DIVERSITY: |
acaa410d | 565 | rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 2); |
95ea3627 ID |
566 | break; |
567 | case ANTENNA_A: | |
acaa410d MN |
568 | rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1); |
569 | rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 3); | |
95ea3627 ID |
570 | break; |
571 | case ANTENNA_B: | |
a4fe07d9 | 572 | default: |
acaa410d MN |
573 | rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1); |
574 | rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 0); | |
95ea3627 ID |
575 | break; |
576 | } | |
577 | ||
578 | rt61pci_bbp_write(rt2x00dev, 77, r77); | |
579 | rt61pci_bbp_write(rt2x00dev, 3, r3); | |
580 | rt61pci_bbp_write(rt2x00dev, 4, r4); | |
581 | } | |
582 | ||
583 | static void rt61pci_config_antenna_2529_rx(struct rt2x00_dev *rt2x00dev, | |
584 | const int p1, const int p2) | |
585 | { | |
586 | u32 reg; | |
587 | ||
588 | rt2x00pci_register_read(rt2x00dev, MAC_CSR13, ®); | |
589 | ||
acaa410d MN |
590 | rt2x00_set_field32(®, MAC_CSR13_BIT4, p1); |
591 | rt2x00_set_field32(®, MAC_CSR13_BIT12, 0); | |
592 | ||
593 | rt2x00_set_field32(®, MAC_CSR13_BIT3, !p2); | |
594 | rt2x00_set_field32(®, MAC_CSR13_BIT11, 0); | |
595 | ||
596 | rt2x00pci_register_write(rt2x00dev, MAC_CSR13, reg); | |
95ea3627 ID |
597 | } |
598 | ||
599 | static void rt61pci_config_antenna_2529(struct rt2x00_dev *rt2x00dev, | |
addc81bd | 600 | struct antenna_setup *ant) |
95ea3627 | 601 | { |
95ea3627 ID |
602 | u8 r3; |
603 | u8 r4; | |
604 | u8 r77; | |
605 | ||
606 | rt61pci_bbp_read(rt2x00dev, 3, &r3); | |
607 | rt61pci_bbp_read(rt2x00dev, 4, &r4); | |
608 | rt61pci_bbp_read(rt2x00dev, 77, &r77); | |
e4cd2ff8 | 609 | |
e4cd2ff8 ID |
610 | /* |
611 | * Configure the RX antenna. | |
612 | */ | |
613 | switch (ant->rx) { | |
614 | case ANTENNA_A: | |
acaa410d MN |
615 | rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1); |
616 | rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 0); | |
617 | rt61pci_config_antenna_2529_rx(rt2x00dev, 0, 0); | |
e4cd2ff8 | 618 | break; |
e4cd2ff8 ID |
619 | case ANTENNA_HW_DIVERSITY: |
620 | /* | |
a4fe07d9 ID |
621 | * FIXME: Antenna selection for the rf 2529 is very confusing |
622 | * in the legacy driver. Just default to antenna B until the | |
623 | * legacy code can be properly translated into rt2x00 code. | |
e4cd2ff8 ID |
624 | */ |
625 | case ANTENNA_B: | |
a4fe07d9 | 626 | default: |
acaa410d MN |
627 | rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1); |
628 | rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 3); | |
629 | rt61pci_config_antenna_2529_rx(rt2x00dev, 1, 1); | |
e4cd2ff8 ID |
630 | break; |
631 | } | |
632 | ||
e4cd2ff8 | 633 | rt61pci_bbp_write(rt2x00dev, 77, r77); |
95ea3627 ID |
634 | rt61pci_bbp_write(rt2x00dev, 3, r3); |
635 | rt61pci_bbp_write(rt2x00dev, 4, r4); | |
636 | } | |
637 | ||
638 | struct antenna_sel { | |
639 | u8 word; | |
640 | /* | |
641 | * value[0] -> non-LNA | |
642 | * value[1] -> LNA | |
643 | */ | |
644 | u8 value[2]; | |
645 | }; | |
646 | ||
647 | static const struct antenna_sel antenna_sel_a[] = { | |
648 | { 96, { 0x58, 0x78 } }, | |
649 | { 104, { 0x38, 0x48 } }, | |
650 | { 75, { 0xfe, 0x80 } }, | |
651 | { 86, { 0xfe, 0x80 } }, | |
652 | { 88, { 0xfe, 0x80 } }, | |
653 | { 35, { 0x60, 0x60 } }, | |
654 | { 97, { 0x58, 0x58 } }, | |
655 | { 98, { 0x58, 0x58 } }, | |
656 | }; | |
657 | ||
658 | static const struct antenna_sel antenna_sel_bg[] = { | |
659 | { 96, { 0x48, 0x68 } }, | |
660 | { 104, { 0x2c, 0x3c } }, | |
661 | { 75, { 0xfe, 0x80 } }, | |
662 | { 86, { 0xfe, 0x80 } }, | |
663 | { 88, { 0xfe, 0x80 } }, | |
664 | { 35, { 0x50, 0x50 } }, | |
665 | { 97, { 0x48, 0x48 } }, | |
666 | { 98, { 0x48, 0x48 } }, | |
667 | }; | |
668 | ||
669 | static void rt61pci_config_antenna(struct rt2x00_dev *rt2x00dev, | |
addc81bd | 670 | struct antenna_setup *ant) |
95ea3627 ID |
671 | { |
672 | const struct antenna_sel *sel; | |
673 | unsigned int lna; | |
674 | unsigned int i; | |
675 | u32 reg; | |
676 | ||
a4fe07d9 ID |
677 | /* |
678 | * We should never come here because rt2x00lib is supposed | |
679 | * to catch this and send us the correct antenna explicitely. | |
680 | */ | |
681 | BUG_ON(ant->rx == ANTENNA_SW_DIVERSITY || | |
682 | ant->tx == ANTENNA_SW_DIVERSITY); | |
683 | ||
8318d78a | 684 | if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ) { |
95ea3627 ID |
685 | sel = antenna_sel_a; |
686 | lna = test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags); | |
95ea3627 ID |
687 | } else { |
688 | sel = antenna_sel_bg; | |
689 | lna = test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags); | |
95ea3627 ID |
690 | } |
691 | ||
acaa410d MN |
692 | for (i = 0; i < ARRAY_SIZE(antenna_sel_a); i++) |
693 | rt61pci_bbp_write(rt2x00dev, sel[i].word, sel[i].value[lna]); | |
694 | ||
695 | rt2x00pci_register_read(rt2x00dev, PHY_CSR0, ®); | |
696 | ||
ddc827f9 | 697 | rt2x00_set_field32(®, PHY_CSR0_PA_PE_BG, |
8318d78a | 698 | rt2x00dev->curr_band == IEEE80211_BAND_2GHZ); |
ddc827f9 | 699 | rt2x00_set_field32(®, PHY_CSR0_PA_PE_A, |
8318d78a | 700 | rt2x00dev->curr_band == IEEE80211_BAND_5GHZ); |
ddc827f9 | 701 | |
95ea3627 ID |
702 | rt2x00pci_register_write(rt2x00dev, PHY_CSR0, reg); |
703 | ||
704 | if (rt2x00_rf(&rt2x00dev->chip, RF5225) || | |
705 | rt2x00_rf(&rt2x00dev->chip, RF5325)) | |
addc81bd | 706 | rt61pci_config_antenna_5x(rt2x00dev, ant); |
95ea3627 | 707 | else if (rt2x00_rf(&rt2x00dev->chip, RF2527)) |
addc81bd | 708 | rt61pci_config_antenna_2x(rt2x00dev, ant); |
95ea3627 ID |
709 | else if (rt2x00_rf(&rt2x00dev->chip, RF2529)) { |
710 | if (test_bit(CONFIG_DOUBLE_ANTENNA, &rt2x00dev->flags)) | |
addc81bd | 711 | rt61pci_config_antenna_2x(rt2x00dev, ant); |
95ea3627 | 712 | else |
addc81bd | 713 | rt61pci_config_antenna_2529(rt2x00dev, ant); |
95ea3627 ID |
714 | } |
715 | } | |
716 | ||
717 | static void rt61pci_config_duration(struct rt2x00_dev *rt2x00dev, | |
5c58ee51 | 718 | struct rt2x00lib_conf *libconf) |
95ea3627 ID |
719 | { |
720 | u32 reg; | |
721 | ||
722 | rt2x00pci_register_read(rt2x00dev, MAC_CSR9, ®); | |
5c58ee51 | 723 | rt2x00_set_field32(®, MAC_CSR9_SLOT_TIME, libconf->slot_time); |
95ea3627 ID |
724 | rt2x00pci_register_write(rt2x00dev, MAC_CSR9, reg); |
725 | ||
726 | rt2x00pci_register_read(rt2x00dev, MAC_CSR8, ®); | |
5c58ee51 | 727 | rt2x00_set_field32(®, MAC_CSR8_SIFS, libconf->sifs); |
95ea3627 | 728 | rt2x00_set_field32(®, MAC_CSR8_SIFS_AFTER_RX_OFDM, 3); |
5c58ee51 | 729 | rt2x00_set_field32(®, MAC_CSR8_EIFS, libconf->eifs); |
95ea3627 ID |
730 | rt2x00pci_register_write(rt2x00dev, MAC_CSR8, reg); |
731 | ||
732 | rt2x00pci_register_read(rt2x00dev, TXRX_CSR0, ®); | |
733 | rt2x00_set_field32(®, TXRX_CSR0_TSF_OFFSET, IEEE80211_HEADER); | |
734 | rt2x00pci_register_write(rt2x00dev, TXRX_CSR0, reg); | |
735 | ||
736 | rt2x00pci_register_read(rt2x00dev, TXRX_CSR4, ®); | |
737 | rt2x00_set_field32(®, TXRX_CSR4_AUTORESPOND_ENABLE, 1); | |
738 | rt2x00pci_register_write(rt2x00dev, TXRX_CSR4, reg); | |
739 | ||
740 | rt2x00pci_register_read(rt2x00dev, TXRX_CSR9, ®); | |
5c58ee51 ID |
741 | rt2x00_set_field32(®, TXRX_CSR9_BEACON_INTERVAL, |
742 | libconf->conf->beacon_int * 16); | |
95ea3627 ID |
743 | rt2x00pci_register_write(rt2x00dev, TXRX_CSR9, reg); |
744 | } | |
745 | ||
746 | static void rt61pci_config(struct rt2x00_dev *rt2x00dev, | |
6bb40dd1 ID |
747 | struct rt2x00lib_conf *libconf, |
748 | const unsigned int flags) | |
95ea3627 | 749 | { |
95ea3627 | 750 | if (flags & CONFIG_UPDATE_PHYMODE) |
5c58ee51 | 751 | rt61pci_config_phymode(rt2x00dev, libconf->basic_rates); |
95ea3627 | 752 | if (flags & CONFIG_UPDATE_CHANNEL) |
5c58ee51 ID |
753 | rt61pci_config_channel(rt2x00dev, &libconf->rf, |
754 | libconf->conf->power_level); | |
95ea3627 | 755 | if ((flags & CONFIG_UPDATE_TXPOWER) && !(flags & CONFIG_UPDATE_CHANNEL)) |
5c58ee51 | 756 | rt61pci_config_txpower(rt2x00dev, libconf->conf->power_level); |
95ea3627 | 757 | if (flags & CONFIG_UPDATE_ANTENNA) |
addc81bd | 758 | rt61pci_config_antenna(rt2x00dev, &libconf->ant); |
95ea3627 | 759 | if (flags & (CONFIG_UPDATE_SLOT_TIME | CONFIG_UPDATE_BEACON_INT)) |
5c58ee51 | 760 | rt61pci_config_duration(rt2x00dev, libconf); |
95ea3627 ID |
761 | } |
762 | ||
95ea3627 ID |
763 | /* |
764 | * Link tuning | |
765 | */ | |
ebcf26da ID |
766 | static void rt61pci_link_stats(struct rt2x00_dev *rt2x00dev, |
767 | struct link_qual *qual) | |
95ea3627 ID |
768 | { |
769 | u32 reg; | |
770 | ||
771 | /* | |
772 | * Update FCS error count from register. | |
773 | */ | |
774 | rt2x00pci_register_read(rt2x00dev, STA_CSR0, ®); | |
ebcf26da | 775 | qual->rx_failed = rt2x00_get_field32(reg, STA_CSR0_FCS_ERROR); |
95ea3627 ID |
776 | |
777 | /* | |
778 | * Update False CCA count from register. | |
779 | */ | |
780 | rt2x00pci_register_read(rt2x00dev, STA_CSR1, ®); | |
ebcf26da | 781 | qual->false_cca = rt2x00_get_field32(reg, STA_CSR1_FALSE_CCA_ERROR); |
95ea3627 ID |
782 | } |
783 | ||
784 | static void rt61pci_reset_tuner(struct rt2x00_dev *rt2x00dev) | |
785 | { | |
786 | rt61pci_bbp_write(rt2x00dev, 17, 0x20); | |
787 | rt2x00dev->link.vgc_level = 0x20; | |
788 | } | |
789 | ||
790 | static void rt61pci_link_tuner(struct rt2x00_dev *rt2x00dev) | |
791 | { | |
792 | int rssi = rt2x00_get_link_rssi(&rt2x00dev->link); | |
793 | u8 r17; | |
794 | u8 up_bound; | |
795 | u8 low_bound; | |
796 | ||
95ea3627 ID |
797 | rt61pci_bbp_read(rt2x00dev, 17, &r17); |
798 | ||
799 | /* | |
800 | * Determine r17 bounds. | |
801 | */ | |
1497074a | 802 | if (rt2x00dev->rx_status.band == IEEE80211_BAND_5GHZ) { |
95ea3627 ID |
803 | low_bound = 0x28; |
804 | up_bound = 0x48; | |
805 | if (test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags)) { | |
806 | low_bound += 0x10; | |
807 | up_bound += 0x10; | |
808 | } | |
809 | } else { | |
810 | low_bound = 0x20; | |
811 | up_bound = 0x40; | |
812 | if (test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags)) { | |
813 | low_bound += 0x10; | |
814 | up_bound += 0x10; | |
815 | } | |
816 | } | |
817 | ||
6bb40dd1 ID |
818 | /* |
819 | * If we are not associated, we should go straight to the | |
820 | * dynamic CCA tuning. | |
821 | */ | |
822 | if (!rt2x00dev->intf_associated) | |
823 | goto dynamic_cca_tune; | |
824 | ||
95ea3627 ID |
825 | /* |
826 | * Special big-R17 for very short distance | |
827 | */ | |
828 | if (rssi >= -35) { | |
829 | if (r17 != 0x60) | |
830 | rt61pci_bbp_write(rt2x00dev, 17, 0x60); | |
831 | return; | |
832 | } | |
833 | ||
834 | /* | |
835 | * Special big-R17 for short distance | |
836 | */ | |
837 | if (rssi >= -58) { | |
838 | if (r17 != up_bound) | |
839 | rt61pci_bbp_write(rt2x00dev, 17, up_bound); | |
840 | return; | |
841 | } | |
842 | ||
843 | /* | |
844 | * Special big-R17 for middle-short distance | |
845 | */ | |
846 | if (rssi >= -66) { | |
847 | low_bound += 0x10; | |
848 | if (r17 != low_bound) | |
849 | rt61pci_bbp_write(rt2x00dev, 17, low_bound); | |
850 | return; | |
851 | } | |
852 | ||
853 | /* | |
854 | * Special mid-R17 for middle distance | |
855 | */ | |
856 | if (rssi >= -74) { | |
857 | low_bound += 0x08; | |
858 | if (r17 != low_bound) | |
859 | rt61pci_bbp_write(rt2x00dev, 17, low_bound); | |
860 | return; | |
861 | } | |
862 | ||
863 | /* | |
864 | * Special case: Change up_bound based on the rssi. | |
865 | * Lower up_bound when rssi is weaker then -74 dBm. | |
866 | */ | |
867 | up_bound -= 2 * (-74 - rssi); | |
868 | if (low_bound > up_bound) | |
869 | up_bound = low_bound; | |
870 | ||
871 | if (r17 > up_bound) { | |
872 | rt61pci_bbp_write(rt2x00dev, 17, up_bound); | |
873 | return; | |
874 | } | |
875 | ||
6bb40dd1 ID |
876 | dynamic_cca_tune: |
877 | ||
95ea3627 ID |
878 | /* |
879 | * r17 does not yet exceed upper limit, continue and base | |
880 | * the r17 tuning on the false CCA count. | |
881 | */ | |
ebcf26da | 882 | if (rt2x00dev->link.qual.false_cca > 512 && r17 < up_bound) { |
95ea3627 ID |
883 | if (++r17 > up_bound) |
884 | r17 = up_bound; | |
885 | rt61pci_bbp_write(rt2x00dev, 17, r17); | |
ebcf26da | 886 | } else if (rt2x00dev->link.qual.false_cca < 100 && r17 > low_bound) { |
95ea3627 ID |
887 | if (--r17 < low_bound) |
888 | r17 = low_bound; | |
889 | rt61pci_bbp_write(rt2x00dev, 17, r17); | |
890 | } | |
891 | } | |
892 | ||
893 | /* | |
a7f3a06c | 894 | * Firmware functions |
95ea3627 ID |
895 | */ |
896 | static char *rt61pci_get_firmware_name(struct rt2x00_dev *rt2x00dev) | |
897 | { | |
898 | char *fw_name; | |
899 | ||
900 | switch (rt2x00dev->chip.rt) { | |
901 | case RT2561: | |
902 | fw_name = FIRMWARE_RT2561; | |
903 | break; | |
904 | case RT2561s: | |
905 | fw_name = FIRMWARE_RT2561s; | |
906 | break; | |
907 | case RT2661: | |
908 | fw_name = FIRMWARE_RT2661; | |
909 | break; | |
910 | default: | |
911 | fw_name = NULL; | |
912 | break; | |
913 | } | |
914 | ||
915 | return fw_name; | |
916 | } | |
917 | ||
f160ebcb | 918 | static u16 rt61pci_get_firmware_crc(const void *data, const size_t len) |
a7f3a06c ID |
919 | { |
920 | u16 crc; | |
921 | ||
922 | /* | |
923 | * Use the crc itu-t algorithm. | |
924 | * The last 2 bytes in the firmware array are the crc checksum itself, | |
925 | * this means that we should never pass those 2 bytes to the crc | |
926 | * algorithm. | |
927 | */ | |
928 | crc = crc_itu_t(0, data, len - 2); | |
929 | crc = crc_itu_t_byte(crc, 0); | |
930 | crc = crc_itu_t_byte(crc, 0); | |
931 | ||
932 | return crc; | |
933 | } | |
934 | ||
f160ebcb | 935 | static int rt61pci_load_firmware(struct rt2x00_dev *rt2x00dev, const void *data, |
95ea3627 ID |
936 | const size_t len) |
937 | { | |
938 | int i; | |
939 | u32 reg; | |
940 | ||
941 | /* | |
942 | * Wait for stable hardware. | |
943 | */ | |
944 | for (i = 0; i < 100; i++) { | |
945 | rt2x00pci_register_read(rt2x00dev, MAC_CSR0, ®); | |
946 | if (reg) | |
947 | break; | |
948 | msleep(1); | |
949 | } | |
950 | ||
951 | if (!reg) { | |
952 | ERROR(rt2x00dev, "Unstable hardware.\n"); | |
953 | return -EBUSY; | |
954 | } | |
955 | ||
956 | /* | |
957 | * Prepare MCU and mailbox for firmware loading. | |
958 | */ | |
959 | reg = 0; | |
960 | rt2x00_set_field32(®, MCU_CNTL_CSR_RESET, 1); | |
961 | rt2x00pci_register_write(rt2x00dev, MCU_CNTL_CSR, reg); | |
962 | rt2x00pci_register_write(rt2x00dev, M2H_CMD_DONE_CSR, 0xffffffff); | |
963 | rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0); | |
964 | rt2x00pci_register_write(rt2x00dev, HOST_CMD_CSR, 0); | |
965 | ||
966 | /* | |
967 | * Write firmware to device. | |
968 | */ | |
969 | reg = 0; | |
970 | rt2x00_set_field32(®, MCU_CNTL_CSR_RESET, 1); | |
971 | rt2x00_set_field32(®, MCU_CNTL_CSR_SELECT_BANK, 1); | |
972 | rt2x00pci_register_write(rt2x00dev, MCU_CNTL_CSR, reg); | |
973 | ||
974 | rt2x00pci_register_multiwrite(rt2x00dev, FIRMWARE_IMAGE_BASE, | |
975 | data, len); | |
976 | ||
977 | rt2x00_set_field32(®, MCU_CNTL_CSR_SELECT_BANK, 0); | |
978 | rt2x00pci_register_write(rt2x00dev, MCU_CNTL_CSR, reg); | |
979 | ||
980 | rt2x00_set_field32(®, MCU_CNTL_CSR_RESET, 0); | |
981 | rt2x00pci_register_write(rt2x00dev, MCU_CNTL_CSR, reg); | |
982 | ||
983 | for (i = 0; i < 100; i++) { | |
984 | rt2x00pci_register_read(rt2x00dev, MCU_CNTL_CSR, ®); | |
985 | if (rt2x00_get_field32(reg, MCU_CNTL_CSR_READY)) | |
986 | break; | |
987 | msleep(1); | |
988 | } | |
989 | ||
990 | if (i == 100) { | |
991 | ERROR(rt2x00dev, "MCU Control register not ready.\n"); | |
992 | return -EBUSY; | |
993 | } | |
994 | ||
995 | /* | |
996 | * Reset MAC and BBP registers. | |
997 | */ | |
998 | reg = 0; | |
999 | rt2x00_set_field32(®, MAC_CSR1_SOFT_RESET, 1); | |
1000 | rt2x00_set_field32(®, MAC_CSR1_BBP_RESET, 1); | |
1001 | rt2x00pci_register_write(rt2x00dev, MAC_CSR1, reg); | |
1002 | ||
1003 | rt2x00pci_register_read(rt2x00dev, MAC_CSR1, ®); | |
1004 | rt2x00_set_field32(®, MAC_CSR1_SOFT_RESET, 0); | |
1005 | rt2x00_set_field32(®, MAC_CSR1_BBP_RESET, 0); | |
1006 | rt2x00pci_register_write(rt2x00dev, MAC_CSR1, reg); | |
1007 | ||
1008 | rt2x00pci_register_read(rt2x00dev, MAC_CSR1, ®); | |
1009 | rt2x00_set_field32(®, MAC_CSR1_HOST_READY, 1); | |
1010 | rt2x00pci_register_write(rt2x00dev, MAC_CSR1, reg); | |
1011 | ||
1012 | return 0; | |
1013 | } | |
1014 | ||
a7f3a06c ID |
1015 | /* |
1016 | * Initialization functions. | |
1017 | */ | |
837e7f24 | 1018 | static void rt61pci_init_rxentry(struct rt2x00_dev *rt2x00dev, |
181d6902 | 1019 | struct queue_entry *entry) |
95ea3627 | 1020 | { |
181d6902 | 1021 | struct queue_entry_priv_pci_rx *priv_rx = entry->priv_data; |
95ea3627 ID |
1022 | u32 word; |
1023 | ||
181d6902 | 1024 | rt2x00_desc_read(priv_rx->desc, 5, &word); |
30b3a23c ID |
1025 | rt2x00_set_field32(&word, RXD_W5_BUFFER_PHYSICAL_ADDRESS, |
1026 | priv_rx->data_dma); | |
181d6902 | 1027 | rt2x00_desc_write(priv_rx->desc, 5, word); |
95ea3627 | 1028 | |
181d6902 | 1029 | rt2x00_desc_read(priv_rx->desc, 0, &word); |
837e7f24 | 1030 | rt2x00_set_field32(&word, RXD_W0_OWNER_NIC, 1); |
181d6902 | 1031 | rt2x00_desc_write(priv_rx->desc, 0, word); |
95ea3627 ID |
1032 | } |
1033 | ||
837e7f24 | 1034 | static void rt61pci_init_txentry(struct rt2x00_dev *rt2x00dev, |
181d6902 | 1035 | struct queue_entry *entry) |
95ea3627 | 1036 | { |
181d6902 | 1037 | struct queue_entry_priv_pci_tx *priv_tx = entry->priv_data; |
95ea3627 ID |
1038 | u32 word; |
1039 | ||
181d6902 | 1040 | rt2x00_desc_read(priv_tx->desc, 1, &word); |
837e7f24 | 1041 | rt2x00_set_field32(&word, TXD_W1_BUFFER_COUNT, 1); |
181d6902 | 1042 | rt2x00_desc_write(priv_tx->desc, 1, word); |
95ea3627 | 1043 | |
181d6902 ID |
1044 | rt2x00_desc_read(priv_tx->desc, 5, &word); |
1045 | rt2x00_set_field32(&word, TXD_W5_PID_TYPE, entry->queue->qid); | |
837e7f24 | 1046 | rt2x00_set_field32(&word, TXD_W5_PID_SUBTYPE, entry->entry_idx); |
181d6902 | 1047 | rt2x00_desc_write(priv_tx->desc, 5, word); |
95ea3627 | 1048 | |
181d6902 | 1049 | rt2x00_desc_read(priv_tx->desc, 6, &word); |
30b3a23c ID |
1050 | rt2x00_set_field32(&word, TXD_W6_BUFFER_PHYSICAL_ADDRESS, |
1051 | priv_tx->data_dma); | |
181d6902 | 1052 | rt2x00_desc_write(priv_tx->desc, 6, word); |
95ea3627 | 1053 | |
181d6902 | 1054 | rt2x00_desc_read(priv_tx->desc, 0, &word); |
837e7f24 ID |
1055 | rt2x00_set_field32(&word, TXD_W0_VALID, 0); |
1056 | rt2x00_set_field32(&word, TXD_W0_OWNER_NIC, 0); | |
181d6902 | 1057 | rt2x00_desc_write(priv_tx->desc, 0, word); |
95ea3627 ID |
1058 | } |
1059 | ||
181d6902 | 1060 | static int rt61pci_init_queues(struct rt2x00_dev *rt2x00dev) |
95ea3627 | 1061 | { |
181d6902 ID |
1062 | struct queue_entry_priv_pci_rx *priv_rx; |
1063 | struct queue_entry_priv_pci_tx *priv_tx; | |
95ea3627 ID |
1064 | u32 reg; |
1065 | ||
95ea3627 ID |
1066 | /* |
1067 | * Initialize registers. | |
1068 | */ | |
1069 | rt2x00pci_register_read(rt2x00dev, TX_RING_CSR0, ®); | |
1070 | rt2x00_set_field32(®, TX_RING_CSR0_AC0_RING_SIZE, | |
181d6902 | 1071 | rt2x00dev->tx[0].limit); |
95ea3627 | 1072 | rt2x00_set_field32(®, TX_RING_CSR0_AC1_RING_SIZE, |
181d6902 | 1073 | rt2x00dev->tx[1].limit); |
95ea3627 | 1074 | rt2x00_set_field32(®, TX_RING_CSR0_AC2_RING_SIZE, |
181d6902 | 1075 | rt2x00dev->tx[2].limit); |
95ea3627 | 1076 | rt2x00_set_field32(®, TX_RING_CSR0_AC3_RING_SIZE, |
181d6902 | 1077 | rt2x00dev->tx[3].limit); |
95ea3627 ID |
1078 | rt2x00pci_register_write(rt2x00dev, TX_RING_CSR0, reg); |
1079 | ||
1080 | rt2x00pci_register_read(rt2x00dev, TX_RING_CSR1, ®); | |
95ea3627 | 1081 | rt2x00_set_field32(®, TX_RING_CSR1_TXD_SIZE, |
181d6902 | 1082 | rt2x00dev->tx[0].desc_size / 4); |
95ea3627 ID |
1083 | rt2x00pci_register_write(rt2x00dev, TX_RING_CSR1, reg); |
1084 | ||
181d6902 | 1085 | priv_tx = rt2x00dev->tx[0].entries[0].priv_data; |
95ea3627 | 1086 | rt2x00pci_register_read(rt2x00dev, AC0_BASE_CSR, ®); |
30b3a23c ID |
1087 | rt2x00_set_field32(®, AC0_BASE_CSR_RING_REGISTER, |
1088 | priv_tx->desc_dma); | |
95ea3627 ID |
1089 | rt2x00pci_register_write(rt2x00dev, AC0_BASE_CSR, reg); |
1090 | ||
181d6902 | 1091 | priv_tx = rt2x00dev->tx[1].entries[0].priv_data; |
95ea3627 | 1092 | rt2x00pci_register_read(rt2x00dev, AC1_BASE_CSR, ®); |
30b3a23c ID |
1093 | rt2x00_set_field32(®, AC1_BASE_CSR_RING_REGISTER, |
1094 | priv_tx->desc_dma); | |
95ea3627 ID |
1095 | rt2x00pci_register_write(rt2x00dev, AC1_BASE_CSR, reg); |
1096 | ||
181d6902 | 1097 | priv_tx = rt2x00dev->tx[2].entries[0].priv_data; |
95ea3627 | 1098 | rt2x00pci_register_read(rt2x00dev, AC2_BASE_CSR, ®); |
30b3a23c ID |
1099 | rt2x00_set_field32(®, AC2_BASE_CSR_RING_REGISTER, |
1100 | priv_tx->desc_dma); | |
95ea3627 ID |
1101 | rt2x00pci_register_write(rt2x00dev, AC2_BASE_CSR, reg); |
1102 | ||
181d6902 | 1103 | priv_tx = rt2x00dev->tx[3].entries[0].priv_data; |
95ea3627 | 1104 | rt2x00pci_register_read(rt2x00dev, AC3_BASE_CSR, ®); |
30b3a23c ID |
1105 | rt2x00_set_field32(®, AC3_BASE_CSR_RING_REGISTER, |
1106 | priv_tx->desc_dma); | |
95ea3627 ID |
1107 | rt2x00pci_register_write(rt2x00dev, AC3_BASE_CSR, reg); |
1108 | ||
95ea3627 | 1109 | rt2x00pci_register_read(rt2x00dev, RX_RING_CSR, ®); |
181d6902 | 1110 | rt2x00_set_field32(®, RX_RING_CSR_RING_SIZE, rt2x00dev->rx->limit); |
95ea3627 ID |
1111 | rt2x00_set_field32(®, RX_RING_CSR_RXD_SIZE, |
1112 | rt2x00dev->rx->desc_size / 4); | |
1113 | rt2x00_set_field32(®, RX_RING_CSR_RXD_WRITEBACK_SIZE, 4); | |
1114 | rt2x00pci_register_write(rt2x00dev, RX_RING_CSR, reg); | |
1115 | ||
181d6902 | 1116 | priv_rx = rt2x00dev->rx->entries[0].priv_data; |
95ea3627 | 1117 | rt2x00pci_register_read(rt2x00dev, RX_BASE_CSR, ®); |
30b3a23c ID |
1118 | rt2x00_set_field32(®, RX_BASE_CSR_RING_REGISTER, |
1119 | priv_rx->desc_dma); | |
95ea3627 ID |
1120 | rt2x00pci_register_write(rt2x00dev, RX_BASE_CSR, reg); |
1121 | ||
1122 | rt2x00pci_register_read(rt2x00dev, TX_DMA_DST_CSR, ®); | |
1123 | rt2x00_set_field32(®, TX_DMA_DST_CSR_DEST_AC0, 2); | |
1124 | rt2x00_set_field32(®, TX_DMA_DST_CSR_DEST_AC1, 2); | |
1125 | rt2x00_set_field32(®, TX_DMA_DST_CSR_DEST_AC2, 2); | |
1126 | rt2x00_set_field32(®, TX_DMA_DST_CSR_DEST_AC3, 2); | |
95ea3627 ID |
1127 | rt2x00pci_register_write(rt2x00dev, TX_DMA_DST_CSR, reg); |
1128 | ||
1129 | rt2x00pci_register_read(rt2x00dev, LOAD_TX_RING_CSR, ®); | |
1130 | rt2x00_set_field32(®, LOAD_TX_RING_CSR_LOAD_TXD_AC0, 1); | |
1131 | rt2x00_set_field32(®, LOAD_TX_RING_CSR_LOAD_TXD_AC1, 1); | |
1132 | rt2x00_set_field32(®, LOAD_TX_RING_CSR_LOAD_TXD_AC2, 1); | |
1133 | rt2x00_set_field32(®, LOAD_TX_RING_CSR_LOAD_TXD_AC3, 1); | |
95ea3627 ID |
1134 | rt2x00pci_register_write(rt2x00dev, LOAD_TX_RING_CSR, reg); |
1135 | ||
1136 | rt2x00pci_register_read(rt2x00dev, RX_CNTL_CSR, ®); | |
1137 | rt2x00_set_field32(®, RX_CNTL_CSR_LOAD_RXD, 1); | |
1138 | rt2x00pci_register_write(rt2x00dev, RX_CNTL_CSR, reg); | |
1139 | ||
1140 | return 0; | |
1141 | } | |
1142 | ||
1143 | static int rt61pci_init_registers(struct rt2x00_dev *rt2x00dev) | |
1144 | { | |
1145 | u32 reg; | |
1146 | ||
1147 | rt2x00pci_register_read(rt2x00dev, TXRX_CSR0, ®); | |
1148 | rt2x00_set_field32(®, TXRX_CSR0_AUTO_TX_SEQ, 1); | |
1149 | rt2x00_set_field32(®, TXRX_CSR0_DISABLE_RX, 0); | |
1150 | rt2x00_set_field32(®, TXRX_CSR0_TX_WITHOUT_WAITING, 0); | |
1151 | rt2x00pci_register_write(rt2x00dev, TXRX_CSR0, reg); | |
1152 | ||
1153 | rt2x00pci_register_read(rt2x00dev, TXRX_CSR1, ®); | |
1154 | rt2x00_set_field32(®, TXRX_CSR1_BBP_ID0, 47); /* CCK Signal */ | |
1155 | rt2x00_set_field32(®, TXRX_CSR1_BBP_ID0_VALID, 1); | |
1156 | rt2x00_set_field32(®, TXRX_CSR1_BBP_ID1, 30); /* Rssi */ | |
1157 | rt2x00_set_field32(®, TXRX_CSR1_BBP_ID1_VALID, 1); | |
1158 | rt2x00_set_field32(®, TXRX_CSR1_BBP_ID2, 42); /* OFDM Rate */ | |
1159 | rt2x00_set_field32(®, TXRX_CSR1_BBP_ID2_VALID, 1); | |
1160 | rt2x00_set_field32(®, TXRX_CSR1_BBP_ID3, 30); /* Rssi */ | |
1161 | rt2x00_set_field32(®, TXRX_CSR1_BBP_ID3_VALID, 1); | |
1162 | rt2x00pci_register_write(rt2x00dev, TXRX_CSR1, reg); | |
1163 | ||
1164 | /* | |
1165 | * CCK TXD BBP registers | |
1166 | */ | |
1167 | rt2x00pci_register_read(rt2x00dev, TXRX_CSR2, ®); | |
1168 | rt2x00_set_field32(®, TXRX_CSR2_BBP_ID0, 13); | |
1169 | rt2x00_set_field32(®, TXRX_CSR2_BBP_ID0_VALID, 1); | |
1170 | rt2x00_set_field32(®, TXRX_CSR2_BBP_ID1, 12); | |
1171 | rt2x00_set_field32(®, TXRX_CSR2_BBP_ID1_VALID, 1); | |
1172 | rt2x00_set_field32(®, TXRX_CSR2_BBP_ID2, 11); | |
1173 | rt2x00_set_field32(®, TXRX_CSR2_BBP_ID2_VALID, 1); | |
1174 | rt2x00_set_field32(®, TXRX_CSR2_BBP_ID3, 10); | |
1175 | rt2x00_set_field32(®, TXRX_CSR2_BBP_ID3_VALID, 1); | |
1176 | rt2x00pci_register_write(rt2x00dev, TXRX_CSR2, reg); | |
1177 | ||
1178 | /* | |
1179 | * OFDM TXD BBP registers | |
1180 | */ | |
1181 | rt2x00pci_register_read(rt2x00dev, TXRX_CSR3, ®); | |
1182 | rt2x00_set_field32(®, TXRX_CSR3_BBP_ID0, 7); | |
1183 | rt2x00_set_field32(®, TXRX_CSR3_BBP_ID0_VALID, 1); | |
1184 | rt2x00_set_field32(®, TXRX_CSR3_BBP_ID1, 6); | |
1185 | rt2x00_set_field32(®, TXRX_CSR3_BBP_ID1_VALID, 1); | |
1186 | rt2x00_set_field32(®, TXRX_CSR3_BBP_ID2, 5); | |
1187 | rt2x00_set_field32(®, TXRX_CSR3_BBP_ID2_VALID, 1); | |
1188 | rt2x00pci_register_write(rt2x00dev, TXRX_CSR3, reg); | |
1189 | ||
1190 | rt2x00pci_register_read(rt2x00dev, TXRX_CSR7, ®); | |
1191 | rt2x00_set_field32(®, TXRX_CSR7_ACK_CTS_6MBS, 59); | |
1192 | rt2x00_set_field32(®, TXRX_CSR7_ACK_CTS_9MBS, 53); | |
1193 | rt2x00_set_field32(®, TXRX_CSR7_ACK_CTS_12MBS, 49); | |
1194 | rt2x00_set_field32(®, TXRX_CSR7_ACK_CTS_18MBS, 46); | |
1195 | rt2x00pci_register_write(rt2x00dev, TXRX_CSR7, reg); | |
1196 | ||
1197 | rt2x00pci_register_read(rt2x00dev, TXRX_CSR8, ®); | |
1198 | rt2x00_set_field32(®, TXRX_CSR8_ACK_CTS_24MBS, 44); | |
1199 | rt2x00_set_field32(®, TXRX_CSR8_ACK_CTS_36MBS, 42); | |
1200 | rt2x00_set_field32(®, TXRX_CSR8_ACK_CTS_48MBS, 42); | |
1201 | rt2x00_set_field32(®, TXRX_CSR8_ACK_CTS_54MBS, 42); | |
1202 | rt2x00pci_register_write(rt2x00dev, TXRX_CSR8, reg); | |
1203 | ||
1f909162 ID |
1204 | rt2x00pci_register_read(rt2x00dev, TXRX_CSR9, ®); |
1205 | rt2x00_set_field32(®, TXRX_CSR9_BEACON_INTERVAL, 0); | |
1206 | rt2x00_set_field32(®, TXRX_CSR9_TSF_TICKING, 0); | |
1207 | rt2x00_set_field32(®, TXRX_CSR9_TSF_SYNC, 0); | |
1208 | rt2x00_set_field32(®, TXRX_CSR9_TBTT_ENABLE, 0); | |
1209 | rt2x00_set_field32(®, TXRX_CSR9_BEACON_GEN, 0); | |
1210 | rt2x00_set_field32(®, TXRX_CSR9_TIMESTAMP_COMPENSATE, 0); | |
1211 | rt2x00pci_register_write(rt2x00dev, TXRX_CSR9, reg); | |
1212 | ||
95ea3627 ID |
1213 | rt2x00pci_register_write(rt2x00dev, TXRX_CSR15, 0x0000000f); |
1214 | ||
1215 | rt2x00pci_register_write(rt2x00dev, MAC_CSR6, 0x00000fff); | |
1216 | ||
1217 | rt2x00pci_register_read(rt2x00dev, MAC_CSR9, ®); | |
1218 | rt2x00_set_field32(®, MAC_CSR9_CW_SELECT, 0); | |
1219 | rt2x00pci_register_write(rt2x00dev, MAC_CSR9, reg); | |
1220 | ||
1221 | rt2x00pci_register_write(rt2x00dev, MAC_CSR10, 0x0000071c); | |
1222 | ||
1223 | if (rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_AWAKE)) | |
1224 | return -EBUSY; | |
1225 | ||
1226 | rt2x00pci_register_write(rt2x00dev, MAC_CSR13, 0x0000e000); | |
1227 | ||
1228 | /* | |
1229 | * Invalidate all Shared Keys (SEC_CSR0), | |
1230 | * and clear the Shared key Cipher algorithms (SEC_CSR1 & SEC_CSR5) | |
1231 | */ | |
1232 | rt2x00pci_register_write(rt2x00dev, SEC_CSR0, 0x00000000); | |
1233 | rt2x00pci_register_write(rt2x00dev, SEC_CSR1, 0x00000000); | |
1234 | rt2x00pci_register_write(rt2x00dev, SEC_CSR5, 0x00000000); | |
1235 | ||
1236 | rt2x00pci_register_write(rt2x00dev, PHY_CSR1, 0x000023b0); | |
1237 | rt2x00pci_register_write(rt2x00dev, PHY_CSR5, 0x060a100c); | |
1238 | rt2x00pci_register_write(rt2x00dev, PHY_CSR6, 0x00080606); | |
1239 | rt2x00pci_register_write(rt2x00dev, PHY_CSR7, 0x00000a08); | |
1240 | ||
1241 | rt2x00pci_register_write(rt2x00dev, PCI_CFG_CSR, 0x28ca4404); | |
1242 | ||
1243 | rt2x00pci_register_write(rt2x00dev, TEST_MODE_CSR, 0x00000200); | |
1244 | ||
1245 | rt2x00pci_register_write(rt2x00dev, M2H_CMD_DONE_CSR, 0xffffffff); | |
1246 | ||
1247 | rt2x00pci_register_read(rt2x00dev, AC_TXOP_CSR0, ®); | |
1248 | rt2x00_set_field32(®, AC_TXOP_CSR0_AC0_TX_OP, 0); | |
1249 | rt2x00_set_field32(®, AC_TXOP_CSR0_AC1_TX_OP, 0); | |
1250 | rt2x00pci_register_write(rt2x00dev, AC_TXOP_CSR0, reg); | |
1251 | ||
1252 | rt2x00pci_register_read(rt2x00dev, AC_TXOP_CSR1, ®); | |
1253 | rt2x00_set_field32(®, AC_TXOP_CSR1_AC2_TX_OP, 192); | |
1254 | rt2x00_set_field32(®, AC_TXOP_CSR1_AC3_TX_OP, 48); | |
1255 | rt2x00pci_register_write(rt2x00dev, AC_TXOP_CSR1, reg); | |
1256 | ||
6bb40dd1 ID |
1257 | /* |
1258 | * Clear all beacons | |
1259 | * For the Beacon base registers we only need to clear | |
1260 | * the first byte since that byte contains the VALID and OWNER | |
1261 | * bits which (when set to 0) will invalidate the entire beacon. | |
1262 | */ | |
1263 | rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE0, 0); | |
1264 | rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE1, 0); | |
1265 | rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE2, 0); | |
1266 | rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE3, 0); | |
1267 | ||
95ea3627 ID |
1268 | /* |
1269 | * We must clear the error counters. | |
1270 | * These registers are cleared on read, | |
1271 | * so we may pass a useless variable to store the value. | |
1272 | */ | |
1273 | rt2x00pci_register_read(rt2x00dev, STA_CSR0, ®); | |
1274 | rt2x00pci_register_read(rt2x00dev, STA_CSR1, ®); | |
1275 | rt2x00pci_register_read(rt2x00dev, STA_CSR2, ®); | |
1276 | ||
1277 | /* | |
1278 | * Reset MAC and BBP registers. | |
1279 | */ | |
1280 | rt2x00pci_register_read(rt2x00dev, MAC_CSR1, ®); | |
1281 | rt2x00_set_field32(®, MAC_CSR1_SOFT_RESET, 1); | |
1282 | rt2x00_set_field32(®, MAC_CSR1_BBP_RESET, 1); | |
1283 | rt2x00pci_register_write(rt2x00dev, MAC_CSR1, reg); | |
1284 | ||
1285 | rt2x00pci_register_read(rt2x00dev, MAC_CSR1, ®); | |
1286 | rt2x00_set_field32(®, MAC_CSR1_SOFT_RESET, 0); | |
1287 | rt2x00_set_field32(®, MAC_CSR1_BBP_RESET, 0); | |
1288 | rt2x00pci_register_write(rt2x00dev, MAC_CSR1, reg); | |
1289 | ||
1290 | rt2x00pci_register_read(rt2x00dev, MAC_CSR1, ®); | |
1291 | rt2x00_set_field32(®, MAC_CSR1_HOST_READY, 1); | |
1292 | rt2x00pci_register_write(rt2x00dev, MAC_CSR1, reg); | |
1293 | ||
1294 | return 0; | |
1295 | } | |
1296 | ||
1297 | static int rt61pci_init_bbp(struct rt2x00_dev *rt2x00dev) | |
1298 | { | |
1299 | unsigned int i; | |
1300 | u16 eeprom; | |
1301 | u8 reg_id; | |
1302 | u8 value; | |
1303 | ||
1304 | for (i = 0; i < REGISTER_BUSY_COUNT; i++) { | |
1305 | rt61pci_bbp_read(rt2x00dev, 0, &value); | |
1306 | if ((value != 0xff) && (value != 0x00)) | |
1307 | goto continue_csr_init; | |
1308 | NOTICE(rt2x00dev, "Waiting for BBP register.\n"); | |
1309 | udelay(REGISTER_BUSY_DELAY); | |
1310 | } | |
1311 | ||
1312 | ERROR(rt2x00dev, "BBP register access failed, aborting.\n"); | |
1313 | return -EACCES; | |
1314 | ||
1315 | continue_csr_init: | |
1316 | rt61pci_bbp_write(rt2x00dev, 3, 0x00); | |
1317 | rt61pci_bbp_write(rt2x00dev, 15, 0x30); | |
1318 | rt61pci_bbp_write(rt2x00dev, 21, 0xc8); | |
1319 | rt61pci_bbp_write(rt2x00dev, 22, 0x38); | |
1320 | rt61pci_bbp_write(rt2x00dev, 23, 0x06); | |
1321 | rt61pci_bbp_write(rt2x00dev, 24, 0xfe); | |
1322 | rt61pci_bbp_write(rt2x00dev, 25, 0x0a); | |
1323 | rt61pci_bbp_write(rt2x00dev, 26, 0x0d); | |
1324 | rt61pci_bbp_write(rt2x00dev, 34, 0x12); | |
1325 | rt61pci_bbp_write(rt2x00dev, 37, 0x07); | |
1326 | rt61pci_bbp_write(rt2x00dev, 39, 0xf8); | |
1327 | rt61pci_bbp_write(rt2x00dev, 41, 0x60); | |
1328 | rt61pci_bbp_write(rt2x00dev, 53, 0x10); | |
1329 | rt61pci_bbp_write(rt2x00dev, 54, 0x18); | |
1330 | rt61pci_bbp_write(rt2x00dev, 60, 0x10); | |
1331 | rt61pci_bbp_write(rt2x00dev, 61, 0x04); | |
1332 | rt61pci_bbp_write(rt2x00dev, 62, 0x04); | |
1333 | rt61pci_bbp_write(rt2x00dev, 75, 0xfe); | |
1334 | rt61pci_bbp_write(rt2x00dev, 86, 0xfe); | |
1335 | rt61pci_bbp_write(rt2x00dev, 88, 0xfe); | |
1336 | rt61pci_bbp_write(rt2x00dev, 90, 0x0f); | |
1337 | rt61pci_bbp_write(rt2x00dev, 99, 0x00); | |
1338 | rt61pci_bbp_write(rt2x00dev, 102, 0x16); | |
1339 | rt61pci_bbp_write(rt2x00dev, 107, 0x04); | |
1340 | ||
95ea3627 ID |
1341 | for (i = 0; i < EEPROM_BBP_SIZE; i++) { |
1342 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom); | |
1343 | ||
1344 | if (eeprom != 0xffff && eeprom != 0x0000) { | |
1345 | reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID); | |
1346 | value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE); | |
95ea3627 ID |
1347 | rt61pci_bbp_write(rt2x00dev, reg_id, value); |
1348 | } | |
1349 | } | |
95ea3627 ID |
1350 | |
1351 | return 0; | |
1352 | } | |
1353 | ||
1354 | /* | |
1355 | * Device state switch handlers. | |
1356 | */ | |
1357 | static void rt61pci_toggle_rx(struct rt2x00_dev *rt2x00dev, | |
1358 | enum dev_state state) | |
1359 | { | |
1360 | u32 reg; | |
1361 | ||
1362 | rt2x00pci_register_read(rt2x00dev, TXRX_CSR0, ®); | |
1363 | rt2x00_set_field32(®, TXRX_CSR0_DISABLE_RX, | |
1364 | state == STATE_RADIO_RX_OFF); | |
1365 | rt2x00pci_register_write(rt2x00dev, TXRX_CSR0, reg); | |
1366 | } | |
1367 | ||
1368 | static void rt61pci_toggle_irq(struct rt2x00_dev *rt2x00dev, | |
1369 | enum dev_state state) | |
1370 | { | |
1371 | int mask = (state == STATE_RADIO_IRQ_OFF); | |
1372 | u32 reg; | |
1373 | ||
1374 | /* | |
1375 | * When interrupts are being enabled, the interrupt registers | |
1376 | * should clear the register to assure a clean state. | |
1377 | */ | |
1378 | if (state == STATE_RADIO_IRQ_ON) { | |
1379 | rt2x00pci_register_read(rt2x00dev, INT_SOURCE_CSR, ®); | |
1380 | rt2x00pci_register_write(rt2x00dev, INT_SOURCE_CSR, reg); | |
1381 | ||
1382 | rt2x00pci_register_read(rt2x00dev, MCU_INT_SOURCE_CSR, ®); | |
1383 | rt2x00pci_register_write(rt2x00dev, MCU_INT_SOURCE_CSR, reg); | |
1384 | } | |
1385 | ||
1386 | /* | |
1387 | * Only toggle the interrupts bits we are going to use. | |
1388 | * Non-checked interrupt bits are disabled by default. | |
1389 | */ | |
1390 | rt2x00pci_register_read(rt2x00dev, INT_MASK_CSR, ®); | |
1391 | rt2x00_set_field32(®, INT_MASK_CSR_TXDONE, mask); | |
1392 | rt2x00_set_field32(®, INT_MASK_CSR_RXDONE, mask); | |
1393 | rt2x00_set_field32(®, INT_MASK_CSR_ENABLE_MITIGATION, mask); | |
1394 | rt2x00_set_field32(®, INT_MASK_CSR_MITIGATION_PERIOD, 0xff); | |
1395 | rt2x00pci_register_write(rt2x00dev, INT_MASK_CSR, reg); | |
1396 | ||
1397 | rt2x00pci_register_read(rt2x00dev, MCU_INT_MASK_CSR, ®); | |
1398 | rt2x00_set_field32(®, MCU_INT_MASK_CSR_0, mask); | |
1399 | rt2x00_set_field32(®, MCU_INT_MASK_CSR_1, mask); | |
1400 | rt2x00_set_field32(®, MCU_INT_MASK_CSR_2, mask); | |
1401 | rt2x00_set_field32(®, MCU_INT_MASK_CSR_3, mask); | |
1402 | rt2x00_set_field32(®, MCU_INT_MASK_CSR_4, mask); | |
1403 | rt2x00_set_field32(®, MCU_INT_MASK_CSR_5, mask); | |
1404 | rt2x00_set_field32(®, MCU_INT_MASK_CSR_6, mask); | |
1405 | rt2x00_set_field32(®, MCU_INT_MASK_CSR_7, mask); | |
1406 | rt2x00pci_register_write(rt2x00dev, MCU_INT_MASK_CSR, reg); | |
1407 | } | |
1408 | ||
1409 | static int rt61pci_enable_radio(struct rt2x00_dev *rt2x00dev) | |
1410 | { | |
1411 | u32 reg; | |
1412 | ||
1413 | /* | |
1414 | * Initialize all registers. | |
1415 | */ | |
181d6902 | 1416 | if (rt61pci_init_queues(rt2x00dev) || |
95ea3627 ID |
1417 | rt61pci_init_registers(rt2x00dev) || |
1418 | rt61pci_init_bbp(rt2x00dev)) { | |
1419 | ERROR(rt2x00dev, "Register initialization failed.\n"); | |
1420 | return -EIO; | |
1421 | } | |
1422 | ||
1423 | /* | |
1424 | * Enable interrupts. | |
1425 | */ | |
1426 | rt61pci_toggle_irq(rt2x00dev, STATE_RADIO_IRQ_ON); | |
1427 | ||
1428 | /* | |
1429 | * Enable RX. | |
1430 | */ | |
1431 | rt2x00pci_register_read(rt2x00dev, RX_CNTL_CSR, ®); | |
1432 | rt2x00_set_field32(®, RX_CNTL_CSR_ENABLE_RX_DMA, 1); | |
1433 | rt2x00pci_register_write(rt2x00dev, RX_CNTL_CSR, reg); | |
1434 | ||
95ea3627 ID |
1435 | return 0; |
1436 | } | |
1437 | ||
1438 | static void rt61pci_disable_radio(struct rt2x00_dev *rt2x00dev) | |
1439 | { | |
1440 | u32 reg; | |
1441 | ||
95ea3627 ID |
1442 | rt2x00pci_register_write(rt2x00dev, MAC_CSR10, 0x00001818); |
1443 | ||
1444 | /* | |
1445 | * Disable synchronisation. | |
1446 | */ | |
1447 | rt2x00pci_register_write(rt2x00dev, TXRX_CSR9, 0); | |
1448 | ||
1449 | /* | |
1450 | * Cancel RX and TX. | |
1451 | */ | |
1452 | rt2x00pci_register_read(rt2x00dev, TX_CNTL_CSR, ®); | |
1453 | rt2x00_set_field32(®, TX_CNTL_CSR_ABORT_TX_AC0, 1); | |
1454 | rt2x00_set_field32(®, TX_CNTL_CSR_ABORT_TX_AC1, 1); | |
1455 | rt2x00_set_field32(®, TX_CNTL_CSR_ABORT_TX_AC2, 1); | |
1456 | rt2x00_set_field32(®, TX_CNTL_CSR_ABORT_TX_AC3, 1); | |
95ea3627 ID |
1457 | rt2x00pci_register_write(rt2x00dev, TX_CNTL_CSR, reg); |
1458 | ||
1459 | /* | |
1460 | * Disable interrupts. | |
1461 | */ | |
1462 | rt61pci_toggle_irq(rt2x00dev, STATE_RADIO_IRQ_OFF); | |
1463 | } | |
1464 | ||
1465 | static int rt61pci_set_state(struct rt2x00_dev *rt2x00dev, enum dev_state state) | |
1466 | { | |
1467 | u32 reg; | |
1468 | unsigned int i; | |
1469 | char put_to_sleep; | |
1470 | char current_state; | |
1471 | ||
1472 | put_to_sleep = (state != STATE_AWAKE); | |
1473 | ||
1474 | rt2x00pci_register_read(rt2x00dev, MAC_CSR12, ®); | |
1475 | rt2x00_set_field32(®, MAC_CSR12_FORCE_WAKEUP, !put_to_sleep); | |
1476 | rt2x00_set_field32(®, MAC_CSR12_PUT_TO_SLEEP, put_to_sleep); | |
1477 | rt2x00pci_register_write(rt2x00dev, MAC_CSR12, reg); | |
1478 | ||
1479 | /* | |
1480 | * Device is not guaranteed to be in the requested state yet. | |
1481 | * We must wait until the register indicates that the | |
1482 | * device has entered the correct state. | |
1483 | */ | |
1484 | for (i = 0; i < REGISTER_BUSY_COUNT; i++) { | |
1485 | rt2x00pci_register_read(rt2x00dev, MAC_CSR12, ®); | |
1486 | current_state = | |
1487 | rt2x00_get_field32(reg, MAC_CSR12_BBP_CURRENT_STATE); | |
1488 | if (current_state == !put_to_sleep) | |
1489 | return 0; | |
1490 | msleep(10); | |
1491 | } | |
1492 | ||
1493 | NOTICE(rt2x00dev, "Device failed to enter state %d, " | |
1494 | "current device state %d.\n", !put_to_sleep, current_state); | |
1495 | ||
1496 | return -EBUSY; | |
1497 | } | |
1498 | ||
1499 | static int rt61pci_set_device_state(struct rt2x00_dev *rt2x00dev, | |
1500 | enum dev_state state) | |
1501 | { | |
1502 | int retval = 0; | |
1503 | ||
1504 | switch (state) { | |
1505 | case STATE_RADIO_ON: | |
1506 | retval = rt61pci_enable_radio(rt2x00dev); | |
1507 | break; | |
1508 | case STATE_RADIO_OFF: | |
1509 | rt61pci_disable_radio(rt2x00dev); | |
1510 | break; | |
1511 | case STATE_RADIO_RX_ON: | |
61667d8d ID |
1512 | case STATE_RADIO_RX_ON_LINK: |
1513 | rt61pci_toggle_rx(rt2x00dev, STATE_RADIO_RX_ON); | |
1514 | break; | |
95ea3627 | 1515 | case STATE_RADIO_RX_OFF: |
61667d8d ID |
1516 | case STATE_RADIO_RX_OFF_LINK: |
1517 | rt61pci_toggle_rx(rt2x00dev, STATE_RADIO_RX_OFF); | |
95ea3627 ID |
1518 | break; |
1519 | case STATE_DEEP_SLEEP: | |
1520 | case STATE_SLEEP: | |
1521 | case STATE_STANDBY: | |
1522 | case STATE_AWAKE: | |
1523 | retval = rt61pci_set_state(rt2x00dev, state); | |
1524 | break; | |
1525 | default: | |
1526 | retval = -ENOTSUPP; | |
1527 | break; | |
1528 | } | |
1529 | ||
1530 | return retval; | |
1531 | } | |
1532 | ||
1533 | /* | |
1534 | * TX descriptor initialization | |
1535 | */ | |
1536 | static void rt61pci_write_tx_desc(struct rt2x00_dev *rt2x00dev, | |
dd3193e1 | 1537 | struct sk_buff *skb, |
181d6902 | 1538 | struct txentry_desc *txdesc, |
dd3193e1 | 1539 | struct ieee80211_tx_control *control) |
95ea3627 | 1540 | { |
181d6902 | 1541 | struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb); |
dd3193e1 | 1542 | __le32 *txd = skbdesc->desc; |
95ea3627 ID |
1543 | u32 word; |
1544 | ||
1545 | /* | |
1546 | * Start writing the descriptor words. | |
1547 | */ | |
1548 | rt2x00_desc_read(txd, 1, &word); | |
181d6902 ID |
1549 | rt2x00_set_field32(&word, TXD_W1_HOST_Q_ID, txdesc->queue); |
1550 | rt2x00_set_field32(&word, TXD_W1_AIFSN, txdesc->aifs); | |
1551 | rt2x00_set_field32(&word, TXD_W1_CWMIN, txdesc->cw_min); | |
1552 | rt2x00_set_field32(&word, TXD_W1_CWMAX, txdesc->cw_max); | |
95ea3627 ID |
1553 | rt2x00_set_field32(&word, TXD_W1_IV_OFFSET, IEEE80211_HEADER); |
1554 | rt2x00_set_field32(&word, TXD_W1_HW_SEQUENCE, 1); | |
1555 | rt2x00_desc_write(txd, 1, word); | |
1556 | ||
1557 | rt2x00_desc_read(txd, 2, &word); | |
181d6902 ID |
1558 | rt2x00_set_field32(&word, TXD_W2_PLCP_SIGNAL, txdesc->signal); |
1559 | rt2x00_set_field32(&word, TXD_W2_PLCP_SERVICE, txdesc->service); | |
1560 | rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_LOW, txdesc->length_low); | |
1561 | rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_HIGH, txdesc->length_high); | |
95ea3627 ID |
1562 | rt2x00_desc_write(txd, 2, word); |
1563 | ||
1564 | rt2x00_desc_read(txd, 5, &word); | |
1565 | rt2x00_set_field32(&word, TXD_W5_TX_POWER, | |
ac1aa7e4 | 1566 | TXPOWER_TO_DEV(rt2x00dev->tx_power)); |
95ea3627 ID |
1567 | rt2x00_set_field32(&word, TXD_W5_WAITING_DMA_DONE_INT, 1); |
1568 | rt2x00_desc_write(txd, 5, word); | |
1569 | ||
d7bafff3 AB |
1570 | if (skbdesc->desc_len > TXINFO_SIZE) { |
1571 | rt2x00_desc_read(txd, 11, &word); | |
1572 | rt2x00_set_field32(&word, TXD_W11_BUFFER_LENGTH0, skbdesc->data_len); | |
1573 | rt2x00_desc_write(txd, 11, word); | |
1574 | } | |
95ea3627 ID |
1575 | |
1576 | rt2x00_desc_read(txd, 0, &word); | |
1577 | rt2x00_set_field32(&word, TXD_W0_OWNER_NIC, 1); | |
1578 | rt2x00_set_field32(&word, TXD_W0_VALID, 1); | |
1579 | rt2x00_set_field32(&word, TXD_W0_MORE_FRAG, | |
181d6902 | 1580 | test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags)); |
95ea3627 | 1581 | rt2x00_set_field32(&word, TXD_W0_ACK, |
181d6902 | 1582 | test_bit(ENTRY_TXD_ACK, &txdesc->flags)); |
95ea3627 | 1583 | rt2x00_set_field32(&word, TXD_W0_TIMESTAMP, |
181d6902 | 1584 | test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags)); |
95ea3627 | 1585 | rt2x00_set_field32(&word, TXD_W0_OFDM, |
181d6902 ID |
1586 | test_bit(ENTRY_TXD_OFDM_RATE, &txdesc->flags)); |
1587 | rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs); | |
95ea3627 ID |
1588 | rt2x00_set_field32(&word, TXD_W0_RETRY_MODE, |
1589 | !!(control->flags & | |
1590 | IEEE80211_TXCTL_LONG_RETRY_LIMIT)); | |
1591 | rt2x00_set_field32(&word, TXD_W0_TKIP_MIC, 0); | |
dd3193e1 | 1592 | rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, skbdesc->data_len); |
95ea3627 | 1593 | rt2x00_set_field32(&word, TXD_W0_BURST, |
181d6902 | 1594 | test_bit(ENTRY_TXD_BURST, &txdesc->flags)); |
95ea3627 ID |
1595 | rt2x00_set_field32(&word, TXD_W0_CIPHER_ALG, CIPHER_NONE); |
1596 | rt2x00_desc_write(txd, 0, word); | |
1597 | } | |
1598 | ||
1599 | /* | |
1600 | * TX data initialization | |
1601 | */ | |
1602 | static void rt61pci_kick_tx_queue(struct rt2x00_dev *rt2x00dev, | |
5957da4c | 1603 | const unsigned int queue) |
95ea3627 ID |
1604 | { |
1605 | u32 reg; | |
1606 | ||
5957da4c | 1607 | if (queue == RT2X00_BCN_QUEUE_BEACON) { |
95ea3627 ID |
1608 | /* |
1609 | * For Wi-Fi faily generated beacons between participating | |
1610 | * stations. Set TBTT phase adaptive adjustment step to 8us. | |
1611 | */ | |
1612 | rt2x00pci_register_write(rt2x00dev, TXRX_CSR10, 0x00001008); | |
1613 | ||
1614 | rt2x00pci_register_read(rt2x00dev, TXRX_CSR9, ®); | |
1615 | if (!rt2x00_get_field32(reg, TXRX_CSR9_BEACON_GEN)) { | |
8af244cc ID |
1616 | rt2x00_set_field32(®, TXRX_CSR9_TSF_TICKING, 1); |
1617 | rt2x00_set_field32(®, TXRX_CSR9_TBTT_ENABLE, 1); | |
95ea3627 ID |
1618 | rt2x00_set_field32(®, TXRX_CSR9_BEACON_GEN, 1); |
1619 | rt2x00pci_register_write(rt2x00dev, TXRX_CSR9, reg); | |
1620 | } | |
1621 | return; | |
1622 | } | |
1623 | ||
1624 | rt2x00pci_register_read(rt2x00dev, TX_CNTL_CSR, ®); | |
ddc827f9 ID |
1625 | rt2x00_set_field32(®, TX_CNTL_CSR_KICK_TX_AC0, |
1626 | (queue == IEEE80211_TX_QUEUE_DATA0)); | |
1627 | rt2x00_set_field32(®, TX_CNTL_CSR_KICK_TX_AC1, | |
1628 | (queue == IEEE80211_TX_QUEUE_DATA1)); | |
1629 | rt2x00_set_field32(®, TX_CNTL_CSR_KICK_TX_AC2, | |
1630 | (queue == IEEE80211_TX_QUEUE_DATA2)); | |
1631 | rt2x00_set_field32(®, TX_CNTL_CSR_KICK_TX_AC3, | |
1632 | (queue == IEEE80211_TX_QUEUE_DATA3)); | |
95ea3627 ID |
1633 | rt2x00pci_register_write(rt2x00dev, TX_CNTL_CSR, reg); |
1634 | } | |
1635 | ||
1636 | /* | |
1637 | * RX control handlers | |
1638 | */ | |
1639 | static int rt61pci_agc_to_rssi(struct rt2x00_dev *rt2x00dev, int rxd_w1) | |
1640 | { | |
1641 | u16 eeprom; | |
1642 | u8 offset; | |
1643 | u8 lna; | |
1644 | ||
1645 | lna = rt2x00_get_field32(rxd_w1, RXD_W1_RSSI_LNA); | |
1646 | switch (lna) { | |
1647 | case 3: | |
1648 | offset = 90; | |
1649 | break; | |
1650 | case 2: | |
1651 | offset = 74; | |
1652 | break; | |
1653 | case 1: | |
1654 | offset = 64; | |
1655 | break; | |
1656 | default: | |
1657 | return 0; | |
1658 | } | |
1659 | ||
8318d78a | 1660 | if (rt2x00dev->rx_status.band == IEEE80211_BAND_5GHZ) { |
95ea3627 ID |
1661 | if (test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags)) |
1662 | offset += 14; | |
1663 | ||
1664 | if (lna == 3 || lna == 2) | |
1665 | offset += 10; | |
1666 | ||
1667 | rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_A, &eeprom); | |
1668 | offset -= rt2x00_get_field16(eeprom, EEPROM_RSSI_OFFSET_A_1); | |
1669 | } else { | |
1670 | if (test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags)) | |
1671 | offset += 14; | |
1672 | ||
1673 | rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_BG, &eeprom); | |
1674 | offset -= rt2x00_get_field16(eeprom, EEPROM_RSSI_OFFSET_BG_1); | |
1675 | } | |
1676 | ||
1677 | return rt2x00_get_field32(rxd_w1, RXD_W1_RSSI_AGC) * 2 - offset; | |
1678 | } | |
1679 | ||
181d6902 ID |
1680 | static void rt61pci_fill_rxdone(struct queue_entry *entry, |
1681 | struct rxdone_entry_desc *rxdesc) | |
95ea3627 | 1682 | { |
181d6902 | 1683 | struct queue_entry_priv_pci_rx *priv_rx = entry->priv_data; |
95ea3627 ID |
1684 | u32 word0; |
1685 | u32 word1; | |
1686 | ||
181d6902 ID |
1687 | rt2x00_desc_read(priv_rx->desc, 0, &word0); |
1688 | rt2x00_desc_read(priv_rx->desc, 1, &word1); | |
95ea3627 | 1689 | |
181d6902 | 1690 | rxdesc->flags = 0; |
4150c572 | 1691 | if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR)) |
181d6902 | 1692 | rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC; |
95ea3627 ID |
1693 | |
1694 | /* | |
1695 | * Obtain the status about this packet. | |
89993890 ID |
1696 | * When frame was received with an OFDM bitrate, |
1697 | * the signal is the PLCP value. If it was received with | |
1698 | * a CCK bitrate the signal is the rate in 100kbit/s. | |
95ea3627 | 1699 | */ |
181d6902 ID |
1700 | rxdesc->signal = rt2x00_get_field32(word1, RXD_W1_SIGNAL); |
1701 | rxdesc->rssi = rt61pci_agc_to_rssi(entry->queue->rt2x00dev, word1); | |
181d6902 | 1702 | rxdesc->size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT); |
19d30e02 ID |
1703 | |
1704 | rxdesc->dev_flags = 0; | |
1705 | if (rt2x00_get_field32(word0, RXD_W0_OFDM)) | |
1706 | rxdesc->dev_flags |= RXDONE_SIGNAL_PLCP; | |
1707 | if (rt2x00_get_field32(word0, RXD_W0_MY_BSS)) | |
1708 | rxdesc->dev_flags |= RXDONE_MY_BSS; | |
95ea3627 ID |
1709 | } |
1710 | ||
1711 | /* | |
1712 | * Interrupt functions. | |
1713 | */ | |
1714 | static void rt61pci_txdone(struct rt2x00_dev *rt2x00dev) | |
1715 | { | |
181d6902 ID |
1716 | struct data_queue *queue; |
1717 | struct queue_entry *entry; | |
1718 | struct queue_entry *entry_done; | |
1719 | struct queue_entry_priv_pci_tx *priv_tx; | |
1720 | struct txdone_entry_desc txdesc; | |
95ea3627 ID |
1721 | u32 word; |
1722 | u32 reg; | |
1723 | u32 old_reg; | |
1724 | int type; | |
1725 | int index; | |
95ea3627 ID |
1726 | |
1727 | /* | |
1728 | * During each loop we will compare the freshly read | |
1729 | * STA_CSR4 register value with the value read from | |
1730 | * the previous loop. If the 2 values are equal then | |
1731 | * we should stop processing because the chance it | |
1732 | * quite big that the device has been unplugged and | |
1733 | * we risk going into an endless loop. | |
1734 | */ | |
1735 | old_reg = 0; | |
1736 | ||
1737 | while (1) { | |
1738 | rt2x00pci_register_read(rt2x00dev, STA_CSR4, ®); | |
1739 | if (!rt2x00_get_field32(reg, STA_CSR4_VALID)) | |
1740 | break; | |
1741 | ||
1742 | if (old_reg == reg) | |
1743 | break; | |
1744 | old_reg = reg; | |
1745 | ||
1746 | /* | |
1747 | * Skip this entry when it contains an invalid | |
181d6902 | 1748 | * queue identication number. |
95ea3627 ID |
1749 | */ |
1750 | type = rt2x00_get_field32(reg, STA_CSR4_PID_TYPE); | |
181d6902 ID |
1751 | queue = rt2x00queue_get_queue(rt2x00dev, type); |
1752 | if (unlikely(!queue)) | |
95ea3627 ID |
1753 | continue; |
1754 | ||
1755 | /* | |
1756 | * Skip this entry when it contains an invalid | |
1757 | * index number. | |
1758 | */ | |
1759 | index = rt2x00_get_field32(reg, STA_CSR4_PID_SUBTYPE); | |
181d6902 | 1760 | if (unlikely(index >= queue->limit)) |
95ea3627 ID |
1761 | continue; |
1762 | ||
181d6902 ID |
1763 | entry = &queue->entries[index]; |
1764 | priv_tx = entry->priv_data; | |
1765 | rt2x00_desc_read(priv_tx->desc, 0, &word); | |
95ea3627 ID |
1766 | |
1767 | if (rt2x00_get_field32(word, TXD_W0_OWNER_NIC) || | |
1768 | !rt2x00_get_field32(word, TXD_W0_VALID)) | |
1769 | return; | |
1770 | ||
181d6902 | 1771 | entry_done = rt2x00queue_get_entry(queue, Q_INDEX_DONE); |
62bc060b | 1772 | while (entry != entry_done) { |
181d6902 ID |
1773 | /* Catch up. |
1774 | * Just report any entries we missed as failed. | |
1775 | */ | |
62bc060b | 1776 | WARNING(rt2x00dev, |
181d6902 ID |
1777 | "TX status report missed for entry %d\n", |
1778 | entry_done->entry_idx); | |
1779 | ||
1780 | txdesc.status = TX_FAIL_OTHER; | |
1781 | txdesc.retry = 0; | |
1782 | ||
1783 | rt2x00pci_txdone(rt2x00dev, entry_done, &txdesc); | |
1784 | entry_done = rt2x00queue_get_entry(queue, Q_INDEX_DONE); | |
62bc060b MN |
1785 | } |
1786 | ||
95ea3627 ID |
1787 | /* |
1788 | * Obtain the status about this packet. | |
1789 | */ | |
181d6902 ID |
1790 | txdesc.status = rt2x00_get_field32(reg, STA_CSR4_TX_RESULT); |
1791 | txdesc.retry = rt2x00_get_field32(reg, STA_CSR4_RETRY_COUNT); | |
95ea3627 | 1792 | |
181d6902 | 1793 | rt2x00pci_txdone(rt2x00dev, entry, &txdesc); |
95ea3627 ID |
1794 | } |
1795 | } | |
1796 | ||
1797 | static irqreturn_t rt61pci_interrupt(int irq, void *dev_instance) | |
1798 | { | |
1799 | struct rt2x00_dev *rt2x00dev = dev_instance; | |
1800 | u32 reg_mcu; | |
1801 | u32 reg; | |
1802 | ||
1803 | /* | |
1804 | * Get the interrupt sources & saved to local variable. | |
1805 | * Write register value back to clear pending interrupts. | |
1806 | */ | |
1807 | rt2x00pci_register_read(rt2x00dev, MCU_INT_SOURCE_CSR, ®_mcu); | |
1808 | rt2x00pci_register_write(rt2x00dev, MCU_INT_SOURCE_CSR, reg_mcu); | |
1809 | ||
1810 | rt2x00pci_register_read(rt2x00dev, INT_SOURCE_CSR, ®); | |
1811 | rt2x00pci_register_write(rt2x00dev, INT_SOURCE_CSR, reg); | |
1812 | ||
1813 | if (!reg && !reg_mcu) | |
1814 | return IRQ_NONE; | |
1815 | ||
1816 | if (!test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags)) | |
1817 | return IRQ_HANDLED; | |
1818 | ||
1819 | /* | |
1820 | * Handle interrupts, walk through all bits | |
1821 | * and run the tasks, the bits are checked in order of | |
1822 | * priority. | |
1823 | */ | |
1824 | ||
1825 | /* | |
1826 | * 1 - Rx ring done interrupt. | |
1827 | */ | |
1828 | if (rt2x00_get_field32(reg, INT_SOURCE_CSR_RXDONE)) | |
1829 | rt2x00pci_rxdone(rt2x00dev); | |
1830 | ||
1831 | /* | |
1832 | * 2 - Tx ring done interrupt. | |
1833 | */ | |
1834 | if (rt2x00_get_field32(reg, INT_SOURCE_CSR_TXDONE)) | |
1835 | rt61pci_txdone(rt2x00dev); | |
1836 | ||
1837 | /* | |
1838 | * 3 - Handle MCU command done. | |
1839 | */ | |
1840 | if (reg_mcu) | |
1841 | rt2x00pci_register_write(rt2x00dev, | |
1842 | M2H_CMD_DONE_CSR, 0xffffffff); | |
1843 | ||
1844 | return IRQ_HANDLED; | |
1845 | } | |
1846 | ||
1847 | /* | |
1848 | * Device probe functions. | |
1849 | */ | |
1850 | static int rt61pci_validate_eeprom(struct rt2x00_dev *rt2x00dev) | |
1851 | { | |
1852 | struct eeprom_93cx6 eeprom; | |
1853 | u32 reg; | |
1854 | u16 word; | |
1855 | u8 *mac; | |
1856 | s8 value; | |
1857 | ||
1858 | rt2x00pci_register_read(rt2x00dev, E2PROM_CSR, ®); | |
1859 | ||
1860 | eeprom.data = rt2x00dev; | |
1861 | eeprom.register_read = rt61pci_eepromregister_read; | |
1862 | eeprom.register_write = rt61pci_eepromregister_write; | |
1863 | eeprom.width = rt2x00_get_field32(reg, E2PROM_CSR_TYPE_93C46) ? | |
1864 | PCI_EEPROM_WIDTH_93C46 : PCI_EEPROM_WIDTH_93C66; | |
1865 | eeprom.reg_data_in = 0; | |
1866 | eeprom.reg_data_out = 0; | |
1867 | eeprom.reg_data_clock = 0; | |
1868 | eeprom.reg_chip_select = 0; | |
1869 | ||
1870 | eeprom_93cx6_multiread(&eeprom, EEPROM_BASE, rt2x00dev->eeprom, | |
1871 | EEPROM_SIZE / sizeof(u16)); | |
1872 | ||
1873 | /* | |
1874 | * Start validation of the data that has been read. | |
1875 | */ | |
1876 | mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0); | |
1877 | if (!is_valid_ether_addr(mac)) { | |
0795af57 JP |
1878 | DECLARE_MAC_BUF(macbuf); |
1879 | ||
95ea3627 | 1880 | random_ether_addr(mac); |
0795af57 | 1881 | EEPROM(rt2x00dev, "MAC: %s\n", print_mac(macbuf, mac)); |
95ea3627 ID |
1882 | } |
1883 | ||
1884 | rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word); | |
1885 | if (word == 0xffff) { | |
1886 | rt2x00_set_field16(&word, EEPROM_ANTENNA_NUM, 2); | |
362f3b6b ID |
1887 | rt2x00_set_field16(&word, EEPROM_ANTENNA_TX_DEFAULT, |
1888 | ANTENNA_B); | |
1889 | rt2x00_set_field16(&word, EEPROM_ANTENNA_RX_DEFAULT, | |
1890 | ANTENNA_B); | |
95ea3627 ID |
1891 | rt2x00_set_field16(&word, EEPROM_ANTENNA_FRAME_TYPE, 0); |
1892 | rt2x00_set_field16(&word, EEPROM_ANTENNA_DYN_TXAGC, 0); | |
1893 | rt2x00_set_field16(&word, EEPROM_ANTENNA_HARDWARE_RADIO, 0); | |
1894 | rt2x00_set_field16(&word, EEPROM_ANTENNA_RF_TYPE, RF5225); | |
1895 | rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word); | |
1896 | EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word); | |
1897 | } | |
1898 | ||
1899 | rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &word); | |
1900 | if (word == 0xffff) { | |
1901 | rt2x00_set_field16(&word, EEPROM_NIC_ENABLE_DIVERSITY, 0); | |
1902 | rt2x00_set_field16(&word, EEPROM_NIC_TX_DIVERSITY, 0); | |
1903 | rt2x00_set_field16(&word, EEPROM_NIC_TX_RX_FIXED, 0); | |
1904 | rt2x00_set_field16(&word, EEPROM_NIC_EXTERNAL_LNA_BG, 0); | |
1905 | rt2x00_set_field16(&word, EEPROM_NIC_CARDBUS_ACCEL, 0); | |
1906 | rt2x00_set_field16(&word, EEPROM_NIC_EXTERNAL_LNA_A, 0); | |
1907 | rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC, word); | |
1908 | EEPROM(rt2x00dev, "NIC: 0x%04x\n", word); | |
1909 | } | |
1910 | ||
1911 | rt2x00_eeprom_read(rt2x00dev, EEPROM_LED, &word); | |
1912 | if (word == 0xffff) { | |
1913 | rt2x00_set_field16(&word, EEPROM_LED_LED_MODE, | |
1914 | LED_MODE_DEFAULT); | |
1915 | rt2x00_eeprom_write(rt2x00dev, EEPROM_LED, word); | |
1916 | EEPROM(rt2x00dev, "Led: 0x%04x\n", word); | |
1917 | } | |
1918 | ||
1919 | rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &word); | |
1920 | if (word == 0xffff) { | |
1921 | rt2x00_set_field16(&word, EEPROM_FREQ_OFFSET, 0); | |
1922 | rt2x00_set_field16(&word, EEPROM_FREQ_SEQ, 0); | |
1923 | rt2x00_eeprom_write(rt2x00dev, EEPROM_FREQ, word); | |
1924 | EEPROM(rt2x00dev, "Freq: 0x%04x\n", word); | |
1925 | } | |
1926 | ||
1927 | rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_BG, &word); | |
1928 | if (word == 0xffff) { | |
1929 | rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_1, 0); | |
1930 | rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_2, 0); | |
1931 | rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_BG, word); | |
1932 | EEPROM(rt2x00dev, "RSSI OFFSET BG: 0x%04x\n", word); | |
1933 | } else { | |
1934 | value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_BG_1); | |
1935 | if (value < -10 || value > 10) | |
1936 | rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_1, 0); | |
1937 | value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_BG_2); | |
1938 | if (value < -10 || value > 10) | |
1939 | rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_2, 0); | |
1940 | rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_BG, word); | |
1941 | } | |
1942 | ||
1943 | rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_A, &word); | |
1944 | if (word == 0xffff) { | |
1945 | rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_1, 0); | |
1946 | rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_2, 0); | |
1947 | rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_A, word); | |
417f412f | 1948 | EEPROM(rt2x00dev, "RSSI OFFSET A: 0x%04x\n", word); |
95ea3627 ID |
1949 | } else { |
1950 | value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_A_1); | |
1951 | if (value < -10 || value > 10) | |
1952 | rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_1, 0); | |
1953 | value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_A_2); | |
1954 | if (value < -10 || value > 10) | |
1955 | rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_2, 0); | |
1956 | rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_A, word); | |
1957 | } | |
1958 | ||
1959 | return 0; | |
1960 | } | |
1961 | ||
1962 | static int rt61pci_init_eeprom(struct rt2x00_dev *rt2x00dev) | |
1963 | { | |
1964 | u32 reg; | |
1965 | u16 value; | |
1966 | u16 eeprom; | |
1967 | u16 device; | |
1968 | ||
1969 | /* | |
1970 | * Read EEPROM word for configuration. | |
1971 | */ | |
1972 | rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom); | |
1973 | ||
1974 | /* | |
1975 | * Identify RF chipset. | |
1976 | * To determine the RT chip we have to read the | |
1977 | * PCI header of the device. | |
1978 | */ | |
1979 | pci_read_config_word(rt2x00dev_pci(rt2x00dev), | |
1980 | PCI_CONFIG_HEADER_DEVICE, &device); | |
1981 | value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE); | |
1982 | rt2x00pci_register_read(rt2x00dev, MAC_CSR0, ®); | |
1983 | rt2x00_set_chip(rt2x00dev, device, value, reg); | |
1984 | ||
1985 | if (!rt2x00_rf(&rt2x00dev->chip, RF5225) && | |
1986 | !rt2x00_rf(&rt2x00dev->chip, RF5325) && | |
1987 | !rt2x00_rf(&rt2x00dev->chip, RF2527) && | |
1988 | !rt2x00_rf(&rt2x00dev->chip, RF2529)) { | |
1989 | ERROR(rt2x00dev, "Invalid RF chipset detected.\n"); | |
1990 | return -ENODEV; | |
1991 | } | |
1992 | ||
e4cd2ff8 ID |
1993 | /* |
1994 | * Determine number of antenna's. | |
1995 | */ | |
1996 | if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_NUM) == 2) | |
1997 | __set_bit(CONFIG_DOUBLE_ANTENNA, &rt2x00dev->flags); | |
1998 | ||
95ea3627 ID |
1999 | /* |
2000 | * Identify default antenna configuration. | |
2001 | */ | |
addc81bd | 2002 | rt2x00dev->default_ant.tx = |
95ea3627 | 2003 | rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TX_DEFAULT); |
addc81bd | 2004 | rt2x00dev->default_ant.rx = |
95ea3627 ID |
2005 | rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RX_DEFAULT); |
2006 | ||
2007 | /* | |
2008 | * Read the Frame type. | |
2009 | */ | |
2010 | if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_FRAME_TYPE)) | |
2011 | __set_bit(CONFIG_FRAME_TYPE, &rt2x00dev->flags); | |
2012 | ||
95ea3627 ID |
2013 | /* |
2014 | * Detect if this device has an hardware controlled radio. | |
2015 | */ | |
81873e9c | 2016 | #ifdef CONFIG_RT61PCI_RFKILL |
95ea3627 | 2017 | if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_HARDWARE_RADIO)) |
066cb637 | 2018 | __set_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags); |
81873e9c | 2019 | #endif /* CONFIG_RT61PCI_RFKILL */ |
95ea3627 ID |
2020 | |
2021 | /* | |
2022 | * Read frequency offset and RF programming sequence. | |
2023 | */ | |
2024 | rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &eeprom); | |
2025 | if (rt2x00_get_field16(eeprom, EEPROM_FREQ_SEQ)) | |
2026 | __set_bit(CONFIG_RF_SEQUENCE, &rt2x00dev->flags); | |
2027 | ||
2028 | rt2x00dev->freq_offset = rt2x00_get_field16(eeprom, EEPROM_FREQ_OFFSET); | |
2029 | ||
2030 | /* | |
2031 | * Read external LNA informations. | |
2032 | */ | |
2033 | rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &eeprom); | |
2034 | ||
2035 | if (rt2x00_get_field16(eeprom, EEPROM_NIC_EXTERNAL_LNA_A)) | |
2036 | __set_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags); | |
2037 | if (rt2x00_get_field16(eeprom, EEPROM_NIC_EXTERNAL_LNA_BG)) | |
2038 | __set_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags); | |
2039 | ||
e4cd2ff8 ID |
2040 | /* |
2041 | * When working with a RF2529 chip without double antenna | |
2042 | * the antenna settings should be gathered from the NIC | |
2043 | * eeprom word. | |
2044 | */ | |
2045 | if (rt2x00_rf(&rt2x00dev->chip, RF2529) && | |
2046 | !test_bit(CONFIG_DOUBLE_ANTENNA, &rt2x00dev->flags)) { | |
2047 | switch (rt2x00_get_field16(eeprom, EEPROM_NIC_TX_RX_FIXED)) { | |
2048 | case 0: | |
2049 | rt2x00dev->default_ant.tx = ANTENNA_B; | |
2050 | rt2x00dev->default_ant.rx = ANTENNA_A; | |
2051 | break; | |
2052 | case 1: | |
2053 | rt2x00dev->default_ant.tx = ANTENNA_B; | |
2054 | rt2x00dev->default_ant.rx = ANTENNA_B; | |
2055 | break; | |
2056 | case 2: | |
2057 | rt2x00dev->default_ant.tx = ANTENNA_A; | |
2058 | rt2x00dev->default_ant.rx = ANTENNA_A; | |
2059 | break; | |
2060 | case 3: | |
2061 | rt2x00dev->default_ant.tx = ANTENNA_A; | |
2062 | rt2x00dev->default_ant.rx = ANTENNA_B; | |
2063 | break; | |
2064 | } | |
2065 | ||
2066 | if (rt2x00_get_field16(eeprom, EEPROM_NIC_TX_DIVERSITY)) | |
2067 | rt2x00dev->default_ant.tx = ANTENNA_SW_DIVERSITY; | |
2068 | if (rt2x00_get_field16(eeprom, EEPROM_NIC_ENABLE_DIVERSITY)) | |
2069 | rt2x00dev->default_ant.rx = ANTENNA_SW_DIVERSITY; | |
2070 | } | |
2071 | ||
95ea3627 ID |
2072 | /* |
2073 | * Store led settings, for correct led behaviour. | |
2074 | * If the eeprom value is invalid, | |
2075 | * switch to default led mode. | |
2076 | */ | |
a9450b70 | 2077 | #ifdef CONFIG_RT61PCI_LEDS |
95ea3627 | 2078 | rt2x00_eeprom_read(rt2x00dev, EEPROM_LED, &eeprom); |
a9450b70 ID |
2079 | value = rt2x00_get_field16(eeprom, EEPROM_LED_LED_MODE); |
2080 | ||
a2e1d52a ID |
2081 | rt2x00dev->led_radio.rt2x00dev = rt2x00dev; |
2082 | rt2x00dev->led_radio.type = LED_TYPE_RADIO; | |
2083 | rt2x00dev->led_radio.led_dev.brightness_set = | |
2084 | rt61pci_brightness_set; | |
2085 | rt2x00dev->led_radio.led_dev.blink_set = | |
2086 | rt61pci_blink_set; | |
2087 | rt2x00dev->led_radio.flags = LED_INITIALIZED; | |
2088 | ||
2089 | rt2x00dev->led_assoc.rt2x00dev = rt2x00dev; | |
2090 | rt2x00dev->led_assoc.type = LED_TYPE_ASSOC; | |
2091 | rt2x00dev->led_assoc.led_dev.brightness_set = | |
2092 | rt61pci_brightness_set; | |
2093 | rt2x00dev->led_assoc.led_dev.blink_set = | |
2094 | rt61pci_blink_set; | |
2095 | rt2x00dev->led_assoc.flags = LED_INITIALIZED; | |
2096 | ||
2097 | if (value == LED_MODE_SIGNAL_STRENGTH) { | |
2098 | rt2x00dev->led_qual.rt2x00dev = rt2x00dev; | |
61c2b682 | 2099 | rt2x00dev->led_qual.type = LED_TYPE_QUALITY; |
a2e1d52a ID |
2100 | rt2x00dev->led_qual.led_dev.brightness_set = |
2101 | rt61pci_brightness_set; | |
2102 | rt2x00dev->led_qual.led_dev.blink_set = | |
2103 | rt61pci_blink_set; | |
2104 | rt2x00dev->led_qual.flags = LED_INITIALIZED; | |
a9450b70 | 2105 | } |
95ea3627 | 2106 | |
a9450b70 ID |
2107 | rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_LED_MODE, value); |
2108 | rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_0, | |
95ea3627 ID |
2109 | rt2x00_get_field16(eeprom, |
2110 | EEPROM_LED_POLARITY_GPIO_0)); | |
a9450b70 | 2111 | rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_1, |
95ea3627 ID |
2112 | rt2x00_get_field16(eeprom, |
2113 | EEPROM_LED_POLARITY_GPIO_1)); | |
a9450b70 | 2114 | rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_2, |
95ea3627 ID |
2115 | rt2x00_get_field16(eeprom, |
2116 | EEPROM_LED_POLARITY_GPIO_2)); | |
a9450b70 | 2117 | rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_3, |
95ea3627 ID |
2118 | rt2x00_get_field16(eeprom, |
2119 | EEPROM_LED_POLARITY_GPIO_3)); | |
a9450b70 | 2120 | rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_4, |
95ea3627 ID |
2121 | rt2x00_get_field16(eeprom, |
2122 | EEPROM_LED_POLARITY_GPIO_4)); | |
a9450b70 | 2123 | rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_ACT, |
95ea3627 | 2124 | rt2x00_get_field16(eeprom, EEPROM_LED_POLARITY_ACT)); |
a9450b70 | 2125 | rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_READY_BG, |
95ea3627 ID |
2126 | rt2x00_get_field16(eeprom, |
2127 | EEPROM_LED_POLARITY_RDY_G)); | |
a9450b70 | 2128 | rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_READY_A, |
95ea3627 ID |
2129 | rt2x00_get_field16(eeprom, |
2130 | EEPROM_LED_POLARITY_RDY_A)); | |
a9450b70 | 2131 | #endif /* CONFIG_RT61PCI_LEDS */ |
95ea3627 ID |
2132 | |
2133 | return 0; | |
2134 | } | |
2135 | ||
2136 | /* | |
2137 | * RF value list for RF5225 & RF5325 | |
2138 | * Supports: 2.4 GHz & 5.2 GHz, rf_sequence disabled | |
2139 | */ | |
2140 | static const struct rf_channel rf_vals_noseq[] = { | |
2141 | { 1, 0x00002ccc, 0x00004786, 0x00068455, 0x000ffa0b }, | |
2142 | { 2, 0x00002ccc, 0x00004786, 0x00068455, 0x000ffa1f }, | |
2143 | { 3, 0x00002ccc, 0x0000478a, 0x00068455, 0x000ffa0b }, | |
2144 | { 4, 0x00002ccc, 0x0000478a, 0x00068455, 0x000ffa1f }, | |
2145 | { 5, 0x00002ccc, 0x0000478e, 0x00068455, 0x000ffa0b }, | |
2146 | { 6, 0x00002ccc, 0x0000478e, 0x00068455, 0x000ffa1f }, | |
2147 | { 7, 0x00002ccc, 0x00004792, 0x00068455, 0x000ffa0b }, | |
2148 | { 8, 0x00002ccc, 0x00004792, 0x00068455, 0x000ffa1f }, | |
2149 | { 9, 0x00002ccc, 0x00004796, 0x00068455, 0x000ffa0b }, | |
2150 | { 10, 0x00002ccc, 0x00004796, 0x00068455, 0x000ffa1f }, | |
2151 | { 11, 0x00002ccc, 0x0000479a, 0x00068455, 0x000ffa0b }, | |
2152 | { 12, 0x00002ccc, 0x0000479a, 0x00068455, 0x000ffa1f }, | |
2153 | { 13, 0x00002ccc, 0x0000479e, 0x00068455, 0x000ffa0b }, | |
2154 | { 14, 0x00002ccc, 0x000047a2, 0x00068455, 0x000ffa13 }, | |
2155 | ||
2156 | /* 802.11 UNI / HyperLan 2 */ | |
2157 | { 36, 0x00002ccc, 0x0000499a, 0x0009be55, 0x000ffa23 }, | |
2158 | { 40, 0x00002ccc, 0x000049a2, 0x0009be55, 0x000ffa03 }, | |
2159 | { 44, 0x00002ccc, 0x000049a6, 0x0009be55, 0x000ffa0b }, | |
2160 | { 48, 0x00002ccc, 0x000049aa, 0x0009be55, 0x000ffa13 }, | |
2161 | { 52, 0x00002ccc, 0x000049ae, 0x0009ae55, 0x000ffa1b }, | |
2162 | { 56, 0x00002ccc, 0x000049b2, 0x0009ae55, 0x000ffa23 }, | |
2163 | { 60, 0x00002ccc, 0x000049ba, 0x0009ae55, 0x000ffa03 }, | |
2164 | { 64, 0x00002ccc, 0x000049be, 0x0009ae55, 0x000ffa0b }, | |
2165 | ||
2166 | /* 802.11 HyperLan 2 */ | |
2167 | { 100, 0x00002ccc, 0x00004a2a, 0x000bae55, 0x000ffa03 }, | |
2168 | { 104, 0x00002ccc, 0x00004a2e, 0x000bae55, 0x000ffa0b }, | |
2169 | { 108, 0x00002ccc, 0x00004a32, 0x000bae55, 0x000ffa13 }, | |
2170 | { 112, 0x00002ccc, 0x00004a36, 0x000bae55, 0x000ffa1b }, | |
2171 | { 116, 0x00002ccc, 0x00004a3a, 0x000bbe55, 0x000ffa23 }, | |
2172 | { 120, 0x00002ccc, 0x00004a82, 0x000bbe55, 0x000ffa03 }, | |
2173 | { 124, 0x00002ccc, 0x00004a86, 0x000bbe55, 0x000ffa0b }, | |
2174 | { 128, 0x00002ccc, 0x00004a8a, 0x000bbe55, 0x000ffa13 }, | |
2175 | { 132, 0x00002ccc, 0x00004a8e, 0x000bbe55, 0x000ffa1b }, | |
2176 | { 136, 0x00002ccc, 0x00004a92, 0x000bbe55, 0x000ffa23 }, | |
2177 | ||
2178 | /* 802.11 UNII */ | |
2179 | { 140, 0x00002ccc, 0x00004a9a, 0x000bbe55, 0x000ffa03 }, | |
2180 | { 149, 0x00002ccc, 0x00004aa2, 0x000bbe55, 0x000ffa1f }, | |
2181 | { 153, 0x00002ccc, 0x00004aa6, 0x000bbe55, 0x000ffa27 }, | |
2182 | { 157, 0x00002ccc, 0x00004aae, 0x000bbe55, 0x000ffa07 }, | |
2183 | { 161, 0x00002ccc, 0x00004ab2, 0x000bbe55, 0x000ffa0f }, | |
2184 | { 165, 0x00002ccc, 0x00004ab6, 0x000bbe55, 0x000ffa17 }, | |
2185 | ||
2186 | /* MMAC(Japan)J52 ch 34,38,42,46 */ | |
2187 | { 34, 0x00002ccc, 0x0000499a, 0x0009be55, 0x000ffa0b }, | |
2188 | { 38, 0x00002ccc, 0x0000499e, 0x0009be55, 0x000ffa13 }, | |
2189 | { 42, 0x00002ccc, 0x000049a2, 0x0009be55, 0x000ffa1b }, | |
2190 | { 46, 0x00002ccc, 0x000049a6, 0x0009be55, 0x000ffa23 }, | |
2191 | }; | |
2192 | ||
2193 | /* | |
2194 | * RF value list for RF5225 & RF5325 | |
2195 | * Supports: 2.4 GHz & 5.2 GHz, rf_sequence enabled | |
2196 | */ | |
2197 | static const struct rf_channel rf_vals_seq[] = { | |
2198 | { 1, 0x00002ccc, 0x00004786, 0x00068455, 0x000ffa0b }, | |
2199 | { 2, 0x00002ccc, 0x00004786, 0x00068455, 0x000ffa1f }, | |
2200 | { 3, 0x00002ccc, 0x0000478a, 0x00068455, 0x000ffa0b }, | |
2201 | { 4, 0x00002ccc, 0x0000478a, 0x00068455, 0x000ffa1f }, | |
2202 | { 5, 0x00002ccc, 0x0000478e, 0x00068455, 0x000ffa0b }, | |
2203 | { 6, 0x00002ccc, 0x0000478e, 0x00068455, 0x000ffa1f }, | |
2204 | { 7, 0x00002ccc, 0x00004792, 0x00068455, 0x000ffa0b }, | |
2205 | { 8, 0x00002ccc, 0x00004792, 0x00068455, 0x000ffa1f }, | |
2206 | { 9, 0x00002ccc, 0x00004796, 0x00068455, 0x000ffa0b }, | |
2207 | { 10, 0x00002ccc, 0x00004796, 0x00068455, 0x000ffa1f }, | |
2208 | { 11, 0x00002ccc, 0x0000479a, 0x00068455, 0x000ffa0b }, | |
2209 | { 12, 0x00002ccc, 0x0000479a, 0x00068455, 0x000ffa1f }, | |
2210 | { 13, 0x00002ccc, 0x0000479e, 0x00068455, 0x000ffa0b }, | |
2211 | { 14, 0x00002ccc, 0x000047a2, 0x00068455, 0x000ffa13 }, | |
2212 | ||
2213 | /* 802.11 UNI / HyperLan 2 */ | |
2214 | { 36, 0x00002cd4, 0x0004481a, 0x00098455, 0x000c0a03 }, | |
2215 | { 40, 0x00002cd0, 0x00044682, 0x00098455, 0x000c0a03 }, | |
2216 | { 44, 0x00002cd0, 0x00044686, 0x00098455, 0x000c0a1b }, | |
2217 | { 48, 0x00002cd0, 0x0004468e, 0x00098655, 0x000c0a0b }, | |
2218 | { 52, 0x00002cd0, 0x00044692, 0x00098855, 0x000c0a23 }, | |
2219 | { 56, 0x00002cd0, 0x0004469a, 0x00098c55, 0x000c0a13 }, | |
2220 | { 60, 0x00002cd0, 0x000446a2, 0x00098e55, 0x000c0a03 }, | |
2221 | { 64, 0x00002cd0, 0x000446a6, 0x00099255, 0x000c0a1b }, | |
2222 | ||
2223 | /* 802.11 HyperLan 2 */ | |
2224 | { 100, 0x00002cd4, 0x0004489a, 0x000b9855, 0x000c0a03 }, | |
2225 | { 104, 0x00002cd4, 0x000448a2, 0x000b9855, 0x000c0a03 }, | |
2226 | { 108, 0x00002cd4, 0x000448aa, 0x000b9855, 0x000c0a03 }, | |
2227 | { 112, 0x00002cd4, 0x000448b2, 0x000b9a55, 0x000c0a03 }, | |
2228 | { 116, 0x00002cd4, 0x000448ba, 0x000b9a55, 0x000c0a03 }, | |
2229 | { 120, 0x00002cd0, 0x00044702, 0x000b9a55, 0x000c0a03 }, | |
2230 | { 124, 0x00002cd0, 0x00044706, 0x000b9a55, 0x000c0a1b }, | |
2231 | { 128, 0x00002cd0, 0x0004470e, 0x000b9c55, 0x000c0a0b }, | |
2232 | { 132, 0x00002cd0, 0x00044712, 0x000b9c55, 0x000c0a23 }, | |
2233 | { 136, 0x00002cd0, 0x0004471a, 0x000b9e55, 0x000c0a13 }, | |
2234 | ||
2235 | /* 802.11 UNII */ | |
2236 | { 140, 0x00002cd0, 0x00044722, 0x000b9e55, 0x000c0a03 }, | |
2237 | { 149, 0x00002cd0, 0x0004472e, 0x000ba255, 0x000c0a1b }, | |
2238 | { 153, 0x00002cd0, 0x00044736, 0x000ba255, 0x000c0a0b }, | |
2239 | { 157, 0x00002cd4, 0x0004490a, 0x000ba255, 0x000c0a17 }, | |
2240 | { 161, 0x00002cd4, 0x00044912, 0x000ba255, 0x000c0a17 }, | |
2241 | { 165, 0x00002cd4, 0x0004491a, 0x000ba255, 0x000c0a17 }, | |
2242 | ||
2243 | /* MMAC(Japan)J52 ch 34,38,42,46 */ | |
2244 | { 34, 0x00002ccc, 0x0000499a, 0x0009be55, 0x000c0a0b }, | |
2245 | { 38, 0x00002ccc, 0x0000499e, 0x0009be55, 0x000c0a13 }, | |
2246 | { 42, 0x00002ccc, 0x000049a2, 0x0009be55, 0x000c0a1b }, | |
2247 | { 46, 0x00002ccc, 0x000049a6, 0x0009be55, 0x000c0a23 }, | |
2248 | }; | |
2249 | ||
2250 | static void rt61pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev) | |
2251 | { | |
2252 | struct hw_mode_spec *spec = &rt2x00dev->spec; | |
2253 | u8 *txpower; | |
2254 | unsigned int i; | |
2255 | ||
2256 | /* | |
2257 | * Initialize all hw fields. | |
2258 | */ | |
2259 | rt2x00dev->hw->flags = | |
2260 | IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE | | |
4150c572 | 2261 | IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING; |
95ea3627 ID |
2262 | rt2x00dev->hw->extra_tx_headroom = 0; |
2263 | rt2x00dev->hw->max_signal = MAX_SIGNAL; | |
2264 | rt2x00dev->hw->max_rssi = MAX_RX_SSI; | |
871ff6ed | 2265 | rt2x00dev->hw->queues = 4; |
95ea3627 ID |
2266 | |
2267 | SET_IEEE80211_DEV(rt2x00dev->hw, &rt2x00dev_pci(rt2x00dev)->dev); | |
2268 | SET_IEEE80211_PERM_ADDR(rt2x00dev->hw, | |
2269 | rt2x00_eeprom_addr(rt2x00dev, | |
2270 | EEPROM_MAC_ADDR_0)); | |
2271 | ||
2272 | /* | |
2273 | * Convert tx_power array in eeprom. | |
2274 | */ | |
2275 | txpower = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_G_START); | |
2276 | for (i = 0; i < 14; i++) | |
2277 | txpower[i] = TXPOWER_FROM_DEV(txpower[i]); | |
2278 | ||
2279 | /* | |
2280 | * Initialize hw_mode information. | |
2281 | */ | |
31562e80 ID |
2282 | spec->supported_bands = SUPPORT_BAND_2GHZ; |
2283 | spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM; | |
95ea3627 ID |
2284 | spec->tx_power_a = NULL; |
2285 | spec->tx_power_bg = txpower; | |
2286 | spec->tx_power_default = DEFAULT_TXPOWER; | |
2287 | ||
2288 | if (!test_bit(CONFIG_RF_SEQUENCE, &rt2x00dev->flags)) { | |
2289 | spec->num_channels = 14; | |
2290 | spec->channels = rf_vals_noseq; | |
2291 | } else { | |
2292 | spec->num_channels = 14; | |
2293 | spec->channels = rf_vals_seq; | |
2294 | } | |
2295 | ||
2296 | if (rt2x00_rf(&rt2x00dev->chip, RF5225) || | |
2297 | rt2x00_rf(&rt2x00dev->chip, RF5325)) { | |
31562e80 | 2298 | spec->supported_bands |= SUPPORT_BAND_5GHZ; |
95ea3627 ID |
2299 | spec->num_channels = ARRAY_SIZE(rf_vals_seq); |
2300 | ||
2301 | txpower = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A_START); | |
2302 | for (i = 0; i < 14; i++) | |
2303 | txpower[i] = TXPOWER_FROM_DEV(txpower[i]); | |
2304 | ||
2305 | spec->tx_power_a = txpower; | |
2306 | } | |
2307 | } | |
2308 | ||
2309 | static int rt61pci_probe_hw(struct rt2x00_dev *rt2x00dev) | |
2310 | { | |
2311 | int retval; | |
2312 | ||
2313 | /* | |
2314 | * Allocate eeprom data. | |
2315 | */ | |
2316 | retval = rt61pci_validate_eeprom(rt2x00dev); | |
2317 | if (retval) | |
2318 | return retval; | |
2319 | ||
2320 | retval = rt61pci_init_eeprom(rt2x00dev); | |
2321 | if (retval) | |
2322 | return retval; | |
2323 | ||
2324 | /* | |
2325 | * Initialize hw specifications. | |
2326 | */ | |
2327 | rt61pci_probe_hw_mode(rt2x00dev); | |
2328 | ||
2329 | /* | |
9404ef34 | 2330 | * This device requires firmware. |
95ea3627 | 2331 | */ |
066cb637 | 2332 | __set_bit(DRIVER_REQUIRE_FIRMWARE, &rt2x00dev->flags); |
95ea3627 ID |
2333 | |
2334 | /* | |
2335 | * Set the rssi offset. | |
2336 | */ | |
2337 | rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET; | |
2338 | ||
2339 | return 0; | |
2340 | } | |
2341 | ||
2342 | /* | |
2343 | * IEEE80211 stack callback functions. | |
2344 | */ | |
2345 | static int rt61pci_set_retry_limit(struct ieee80211_hw *hw, | |
2346 | u32 short_retry, u32 long_retry) | |
2347 | { | |
2348 | struct rt2x00_dev *rt2x00dev = hw->priv; | |
2349 | u32 reg; | |
2350 | ||
2351 | rt2x00pci_register_read(rt2x00dev, TXRX_CSR4, ®); | |
2352 | rt2x00_set_field32(®, TXRX_CSR4_LONG_RETRY_LIMIT, long_retry); | |
2353 | rt2x00_set_field32(®, TXRX_CSR4_SHORT_RETRY_LIMIT, short_retry); | |
2354 | rt2x00pci_register_write(rt2x00dev, TXRX_CSR4, reg); | |
2355 | ||
2356 | return 0; | |
2357 | } | |
2358 | ||
2359 | static u64 rt61pci_get_tsf(struct ieee80211_hw *hw) | |
2360 | { | |
2361 | struct rt2x00_dev *rt2x00dev = hw->priv; | |
2362 | u64 tsf; | |
2363 | u32 reg; | |
2364 | ||
2365 | rt2x00pci_register_read(rt2x00dev, TXRX_CSR13, ®); | |
2366 | tsf = (u64) rt2x00_get_field32(reg, TXRX_CSR13_HIGH_TSFTIMER) << 32; | |
2367 | rt2x00pci_register_read(rt2x00dev, TXRX_CSR12, ®); | |
2368 | tsf |= rt2x00_get_field32(reg, TXRX_CSR12_LOW_TSFTIMER); | |
2369 | ||
2370 | return tsf; | |
2371 | } | |
2372 | ||
24845910 | 2373 | static int rt61pci_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb, |
95ea3627 ID |
2374 | struct ieee80211_tx_control *control) |
2375 | { | |
2376 | struct rt2x00_dev *rt2x00dev = hw->priv; | |
6bb40dd1 | 2377 | struct rt2x00_intf *intf = vif_to_intf(control->vif); |
78720897 | 2378 | struct queue_entry_priv_pci_tx *priv_tx; |
181d6902 | 2379 | struct skb_frame_desc *skbdesc; |
6bb40dd1 | 2380 | unsigned int beacon_base; |
8af244cc | 2381 | u32 reg; |
95ea3627 | 2382 | |
6bb40dd1 ID |
2383 | if (unlikely(!intf->beacon)) |
2384 | return -ENOBUFS; | |
95ea3627 | 2385 | |
78720897 ID |
2386 | priv_tx = intf->beacon->priv_data; |
2387 | memset(priv_tx->desc, 0, intf->beacon->queue->desc_size); | |
08992f7f ID |
2388 | |
2389 | /* | |
2390 | * Fill in skb descriptor | |
95ea3627 | 2391 | */ |
181d6902 ID |
2392 | skbdesc = get_skb_frame_desc(skb); |
2393 | memset(skbdesc, 0, sizeof(*skbdesc)); | |
baf26a7e | 2394 | skbdesc->flags |= FRAME_DESC_DRIVER_GENERATED; |
78720897 ID |
2395 | skbdesc->data = skb->data; |
2396 | skbdesc->data_len = skb->len; | |
2397 | skbdesc->desc = priv_tx->desc; | |
6bb40dd1 ID |
2398 | skbdesc->desc_len = intf->beacon->queue->desc_size; |
2399 | skbdesc->entry = intf->beacon; | |
c22eb87b | 2400 | |
8af244cc ID |
2401 | /* |
2402 | * Disable beaconing while we are reloading the beacon data, | |
2403 | * otherwise we might be sending out invalid data. | |
2404 | */ | |
2405 | rt2x00pci_register_read(rt2x00dev, TXRX_CSR9, ®); | |
2406 | rt2x00_set_field32(®, TXRX_CSR9_TSF_TICKING, 0); | |
2407 | rt2x00_set_field32(®, TXRX_CSR9_TBTT_ENABLE, 0); | |
2408 | rt2x00_set_field32(®, TXRX_CSR9_BEACON_GEN, 0); | |
2409 | rt2x00pci_register_write(rt2x00dev, TXRX_CSR9, reg); | |
2410 | ||
6bb40dd1 | 2411 | /* |
5957da4c ID |
2412 | * mac80211 doesn't provide the control->queue variable |
2413 | * for beacons. Set our own queue identification so | |
2414 | * it can be used during descriptor initialization. | |
6bb40dd1 | 2415 | */ |
5957da4c | 2416 | control->queue = RT2X00_BCN_QUEUE_BEACON; |
08992f7f | 2417 | rt2x00lib_write_tx_desc(rt2x00dev, skb, control); |
95ea3627 ID |
2418 | |
2419 | /* | |
2420 | * Write entire beacon with descriptor to register, | |
2421 | * and kick the beacon generator. | |
2422 | */ | |
6bb40dd1 ID |
2423 | beacon_base = HW_BEACON_OFFSET(intf->beacon->entry_idx); |
2424 | rt2x00pci_register_multiwrite(rt2x00dev, beacon_base, | |
78720897 ID |
2425 | skbdesc->desc, skbdesc->desc_len); |
2426 | rt2x00pci_register_multiwrite(rt2x00dev, | |
2427 | beacon_base + skbdesc->desc_len, | |
2428 | skbdesc->data, skbdesc->data_len); | |
6bb40dd1 | 2429 | rt61pci_kick_tx_queue(rt2x00dev, control->queue); |
95ea3627 ID |
2430 | |
2431 | return 0; | |
2432 | } | |
2433 | ||
2434 | static const struct ieee80211_ops rt61pci_mac80211_ops = { | |
2435 | .tx = rt2x00mac_tx, | |
4150c572 JB |
2436 | .start = rt2x00mac_start, |
2437 | .stop = rt2x00mac_stop, | |
95ea3627 ID |
2438 | .add_interface = rt2x00mac_add_interface, |
2439 | .remove_interface = rt2x00mac_remove_interface, | |
2440 | .config = rt2x00mac_config, | |
2441 | .config_interface = rt2x00mac_config_interface, | |
3a643d24 | 2442 | .configure_filter = rt2x00mac_configure_filter, |
95ea3627 ID |
2443 | .get_stats = rt2x00mac_get_stats, |
2444 | .set_retry_limit = rt61pci_set_retry_limit, | |
471b3efd | 2445 | .bss_info_changed = rt2x00mac_bss_info_changed, |
95ea3627 ID |
2446 | .conf_tx = rt2x00mac_conf_tx, |
2447 | .get_tx_stats = rt2x00mac_get_tx_stats, | |
2448 | .get_tsf = rt61pci_get_tsf, | |
95ea3627 ID |
2449 | .beacon_update = rt61pci_beacon_update, |
2450 | }; | |
2451 | ||
2452 | static const struct rt2x00lib_ops rt61pci_rt2x00_ops = { | |
2453 | .irq_handler = rt61pci_interrupt, | |
2454 | .probe_hw = rt61pci_probe_hw, | |
2455 | .get_firmware_name = rt61pci_get_firmware_name, | |
a7f3a06c | 2456 | .get_firmware_crc = rt61pci_get_firmware_crc, |
95ea3627 ID |
2457 | .load_firmware = rt61pci_load_firmware, |
2458 | .initialize = rt2x00pci_initialize, | |
2459 | .uninitialize = rt2x00pci_uninitialize, | |
837e7f24 ID |
2460 | .init_rxentry = rt61pci_init_rxentry, |
2461 | .init_txentry = rt61pci_init_txentry, | |
95ea3627 | 2462 | .set_device_state = rt61pci_set_device_state, |
95ea3627 | 2463 | .rfkill_poll = rt61pci_rfkill_poll, |
95ea3627 ID |
2464 | .link_stats = rt61pci_link_stats, |
2465 | .reset_tuner = rt61pci_reset_tuner, | |
2466 | .link_tuner = rt61pci_link_tuner, | |
2467 | .write_tx_desc = rt61pci_write_tx_desc, | |
2468 | .write_tx_data = rt2x00pci_write_tx_data, | |
2469 | .kick_tx_queue = rt61pci_kick_tx_queue, | |
2470 | .fill_rxdone = rt61pci_fill_rxdone, | |
3a643d24 | 2471 | .config_filter = rt61pci_config_filter, |
6bb40dd1 | 2472 | .config_intf = rt61pci_config_intf, |
72810379 | 2473 | .config_erp = rt61pci_config_erp, |
95ea3627 ID |
2474 | .config = rt61pci_config, |
2475 | }; | |
2476 | ||
181d6902 ID |
2477 | static const struct data_queue_desc rt61pci_queue_rx = { |
2478 | .entry_num = RX_ENTRIES, | |
2479 | .data_size = DATA_FRAME_SIZE, | |
2480 | .desc_size = RXD_DESC_SIZE, | |
2481 | .priv_size = sizeof(struct queue_entry_priv_pci_rx), | |
2482 | }; | |
2483 | ||
2484 | static const struct data_queue_desc rt61pci_queue_tx = { | |
2485 | .entry_num = TX_ENTRIES, | |
2486 | .data_size = DATA_FRAME_SIZE, | |
2487 | .desc_size = TXD_DESC_SIZE, | |
2488 | .priv_size = sizeof(struct queue_entry_priv_pci_tx), | |
2489 | }; | |
2490 | ||
2491 | static const struct data_queue_desc rt61pci_queue_bcn = { | |
6bb40dd1 | 2492 | .entry_num = 4 * BEACON_ENTRIES, |
78720897 | 2493 | .data_size = 0, /* No DMA required for beacons */ |
181d6902 ID |
2494 | .desc_size = TXINFO_SIZE, |
2495 | .priv_size = sizeof(struct queue_entry_priv_pci_tx), | |
2496 | }; | |
2497 | ||
95ea3627 | 2498 | static const struct rt2x00_ops rt61pci_ops = { |
2360157c | 2499 | .name = KBUILD_MODNAME, |
6bb40dd1 ID |
2500 | .max_sta_intf = 1, |
2501 | .max_ap_intf = 4, | |
95ea3627 ID |
2502 | .eeprom_size = EEPROM_SIZE, |
2503 | .rf_size = RF_SIZE, | |
181d6902 ID |
2504 | .rx = &rt61pci_queue_rx, |
2505 | .tx = &rt61pci_queue_tx, | |
2506 | .bcn = &rt61pci_queue_bcn, | |
95ea3627 ID |
2507 | .lib = &rt61pci_rt2x00_ops, |
2508 | .hw = &rt61pci_mac80211_ops, | |
2509 | #ifdef CONFIG_RT2X00_LIB_DEBUGFS | |
2510 | .debugfs = &rt61pci_rt2x00debug, | |
2511 | #endif /* CONFIG_RT2X00_LIB_DEBUGFS */ | |
2512 | }; | |
2513 | ||
2514 | /* | |
2515 | * RT61pci module information. | |
2516 | */ | |
2517 | static struct pci_device_id rt61pci_device_table[] = { | |
2518 | /* RT2561s */ | |
2519 | { PCI_DEVICE(0x1814, 0x0301), PCI_DEVICE_DATA(&rt61pci_ops) }, | |
2520 | /* RT2561 v2 */ | |
2521 | { PCI_DEVICE(0x1814, 0x0302), PCI_DEVICE_DATA(&rt61pci_ops) }, | |
2522 | /* RT2661 */ | |
2523 | { PCI_DEVICE(0x1814, 0x0401), PCI_DEVICE_DATA(&rt61pci_ops) }, | |
2524 | { 0, } | |
2525 | }; | |
2526 | ||
2527 | MODULE_AUTHOR(DRV_PROJECT); | |
2528 | MODULE_VERSION(DRV_VERSION); | |
2529 | MODULE_DESCRIPTION("Ralink RT61 PCI & PCMCIA Wireless LAN driver."); | |
2530 | MODULE_SUPPORTED_DEVICE("Ralink RT2561, RT2561s & RT2661 " | |
2531 | "PCI & PCMCIA chipset based cards"); | |
2532 | MODULE_DEVICE_TABLE(pci, rt61pci_device_table); | |
2533 | MODULE_FIRMWARE(FIRMWARE_RT2561); | |
2534 | MODULE_FIRMWARE(FIRMWARE_RT2561s); | |
2535 | MODULE_FIRMWARE(FIRMWARE_RT2661); | |
2536 | MODULE_LICENSE("GPL"); | |
2537 | ||
2538 | static struct pci_driver rt61pci_driver = { | |
2360157c | 2539 | .name = KBUILD_MODNAME, |
95ea3627 ID |
2540 | .id_table = rt61pci_device_table, |
2541 | .probe = rt2x00pci_probe, | |
2542 | .remove = __devexit_p(rt2x00pci_remove), | |
2543 | .suspend = rt2x00pci_suspend, | |
2544 | .resume = rt2x00pci_resume, | |
2545 | }; | |
2546 | ||
2547 | static int __init rt61pci_init(void) | |
2548 | { | |
2549 | return pci_register_driver(&rt61pci_driver); | |
2550 | } | |
2551 | ||
2552 | static void __exit rt61pci_exit(void) | |
2553 | { | |
2554 | pci_unregister_driver(&rt61pci_driver); | |
2555 | } | |
2556 | ||
2557 | module_init(rt61pci_init); | |
2558 | module_exit(rt61pci_exit); |