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666e8457 G |
1 | /****************************************************************************** |
2 | * | |
3 | * Copyright(c) 2009-2010 Realtek Corporation. All rights reserved. | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify it | |
6 | * under the terms of version 2 of the GNU General Public License as | |
7 | * published by the Free Software Foundation. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, but WITHOUT | |
10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
12 | * more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License along with | |
15 | * this program; if not, write to the Free Software Foundation, Inc., | |
16 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA | |
17 | * | |
18 | * The full GNU General Public License is included in this distribution in the | |
19 | * file called LICENSE. | |
20 | * | |
21 | * Contact Information: | |
22 | * wlanfae <wlanfae@realtek.com> | |
23 | * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park, | |
24 | * Hsinchu 300, Taiwan. | |
25 | * | |
26 | * Larry Finger <Larry.Finger@lwfinger.net> | |
27 | * | |
28 | ****************************************************************************/ | |
292b1192 JP |
29 | |
30 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt | |
31 | ||
666e8457 G |
32 | #include <linux/module.h> |
33 | ||
34 | #include "../wifi.h" | |
35 | #include "../pci.h" | |
36 | #include "../usb.h" | |
37 | #include "../ps.h" | |
38 | #include "../cam.h" | |
39 | #include "reg.h" | |
40 | #include "def.h" | |
41 | #include "phy.h" | |
42 | #include "rf.h" | |
43 | #include "dm.h" | |
44 | #include "mac.h" | |
45 | #include "trx.h" | |
46 | ||
47 | /* macro to shorten lines */ | |
48 | ||
49 | #define LINK_Q ui_link_quality | |
50 | #define RX_EVM rx_evm_percentage | |
51 | #define RX_SIGQ rx_mimo_signalquality | |
52 | ||
53 | ||
54 | void rtl92c_read_chip_version(struct ieee80211_hw *hw) | |
55 | { | |
56 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
57 | struct rtl_phy *rtlphy = &(rtlpriv->phy); | |
58 | struct rtl_hal *rtlhal = rtl_hal(rtlpriv); | |
59 | enum version_8192c chip_version = VERSION_UNKNOWN; | |
60 | u32 value32; | |
61 | ||
62 | value32 = rtl_read_dword(rtlpriv, REG_SYS_CFG); | |
63 | if (value32 & TRP_VAUX_EN) { | |
64 | chip_version = (value32 & TYPE_ID) ? VERSION_TEST_CHIP_92C : | |
65 | VERSION_TEST_CHIP_88C; | |
66 | } else { | |
67 | /* Normal mass production chip. */ | |
68 | chip_version = NORMAL_CHIP; | |
69 | chip_version |= ((value32 & TYPE_ID) ? CHIP_92C : 0); | |
70 | chip_version |= ((value32 & VENDOR_ID) ? CHIP_VENDOR_UMC : 0); | |
71 | /* RTL8723 with BT function. */ | |
72 | chip_version |= ((value32 & BT_FUNC) ? CHIP_8723 : 0); | |
73 | if (IS_VENDOR_UMC(chip_version)) | |
74 | chip_version |= ((value32 & CHIP_VER_RTL_MASK) ? | |
75 | CHIP_VENDOR_UMC_B_CUT : 0); | |
76 | if (IS_92C_SERIAL(chip_version)) { | |
77 | value32 = rtl_read_dword(rtlpriv, REG_HPON_FSM); | |
78 | chip_version |= ((CHIP_BONDING_IDENTIFIER(value32) == | |
79 | CHIP_BONDING_92C_1T2R) ? CHIP_92C_1T2R : 0); | |
80 | } else if (IS_8723_SERIES(chip_version)) { | |
81 | value32 = rtl_read_dword(rtlpriv, REG_GPIO_OUTSTS); | |
82 | chip_version |= ((value32 & RF_RL_ID) ? | |
83 | CHIP_8723_DRV_REV : 0); | |
84 | } | |
85 | } | |
86 | rtlhal->version = (enum version_8192c)chip_version; | |
87 | switch (rtlhal->version) { | |
88 | case VERSION_NORMAL_TSMC_CHIP_92C_1T2R: | |
89 | RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, | |
90 | ("Chip Version ID: VERSION_B_CHIP_92C.\n")); | |
91 | break; | |
92 | case VERSION_NORMAL_TSMC_CHIP_92C: | |
93 | RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, | |
94 | ("Chip Version ID: VERSION_NORMAL_TSMC_CHIP_92C.\n")); | |
95 | break; | |
96 | case VERSION_NORMAL_TSMC_CHIP_88C: | |
97 | RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, | |
98 | ("Chip Version ID: VERSION_NORMAL_TSMC_CHIP_88C.\n")); | |
99 | break; | |
100 | case VERSION_NORMAL_UMC_CHIP_92C_1T2R_A_CUT: | |
101 | RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, | |
102 | ("Chip Version ID: VERSION_NORMAL_UMC_CHIP_i" | |
103 | "92C_1T2R_A_CUT.\n")); | |
104 | break; | |
105 | case VERSION_NORMAL_UMC_CHIP_92C_A_CUT: | |
106 | RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, | |
107 | ("Chip Version ID: VERSION_NORMAL_UMC_CHIP_" | |
108 | "92C_A_CUT.\n")); | |
109 | break; | |
110 | case VERSION_NORMAL_UMC_CHIP_88C_A_CUT: | |
111 | RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, | |
112 | ("Chip Version ID: VERSION_NORMAL_UMC_CHIP" | |
113 | "_88C_A_CUT.\n")); | |
114 | break; | |
115 | case VERSION_NORMAL_UMC_CHIP_92C_1T2R_B_CUT: | |
116 | RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, | |
117 | ("Chip Version ID: VERSION_NORMAL_UMC_CHIP" | |
118 | "_92C_1T2R_B_CUT.\n")); | |
119 | break; | |
120 | case VERSION_NORMAL_UMC_CHIP_92C_B_CUT: | |
121 | RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, | |
122 | ("Chip Version ID: VERSION_NORMAL_UMC_CHIP" | |
123 | "_92C_B_CUT.\n")); | |
124 | break; | |
125 | case VERSION_NORMAL_UMC_CHIP_88C_B_CUT: | |
126 | RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, | |
127 | ("Chip Version ID: VERSION_NORMAL_UMC_CHIP" | |
128 | "_88C_B_CUT.\n")); | |
129 | break; | |
130 | case VERSION_NORMA_UMC_CHIP_8723_1T1R_A_CUT: | |
131 | RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, | |
132 | ("Chip Version ID: VERSION_NORMA_UMC_CHIP" | |
133 | "_8723_1T1R_A_CUT.\n")); | |
134 | break; | |
135 | case VERSION_NORMA_UMC_CHIP_8723_1T1R_B_CUT: | |
136 | RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, | |
137 | ("Chip Version ID: VERSION_NORMA_UMC_CHIP" | |
138 | "_8723_1T1R_B_CUT.\n")); | |
139 | break; | |
140 | case VERSION_TEST_CHIP_92C: | |
141 | RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, | |
142 | ("Chip Version ID: VERSION_TEST_CHIP_92C.\n")); | |
143 | break; | |
144 | case VERSION_TEST_CHIP_88C: | |
145 | RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, | |
146 | ("Chip Version ID: VERSION_TEST_CHIP_88C.\n")); | |
147 | break; | |
148 | default: | |
149 | RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, | |
150 | ("Chip Version ID: ???????????????.\n")); | |
151 | break; | |
152 | } | |
153 | if (IS_92C_SERIAL(rtlhal->version)) | |
154 | rtlphy->rf_type = | |
155 | (IS_92C_1T2R(rtlhal->version)) ? RF_1T2R : RF_2T2R; | |
156 | else | |
157 | rtlphy->rf_type = RF_1T1R; | |
158 | RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, | |
159 | ("Chip RF Type: %s\n", (rtlphy->rf_type == RF_2T2R) ? | |
160 | "RF_2T2R" : "RF_1T1R")); | |
161 | if (get_rf_type(rtlphy) == RF_1T1R) | |
162 | rtlpriv->dm.rfpath_rxenable[0] = true; | |
163 | else | |
164 | rtlpriv->dm.rfpath_rxenable[0] = | |
165 | rtlpriv->dm.rfpath_rxenable[1] = true; | |
166 | RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, ("VersionID = 0x%4x\n", | |
167 | rtlhal->version)); | |
168 | } | |
169 | ||
170 | /** | |
171 | * writeLLT - LLT table write access | |
172 | * @io: io callback | |
173 | * @address: LLT logical address. | |
174 | * @data: LLT data content | |
175 | * | |
176 | * Realtek hardware access function. | |
177 | * | |
178 | */ | |
179 | bool rtl92c_llt_write(struct ieee80211_hw *hw, u32 address, u32 data) | |
180 | { | |
181 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
182 | bool status = true; | |
183 | long count = 0; | |
184 | u32 value = _LLT_INIT_ADDR(address) | | |
185 | _LLT_INIT_DATA(data) | _LLT_OP(_LLT_WRITE_ACCESS); | |
186 | ||
187 | rtl_write_dword(rtlpriv, REG_LLT_INIT, value); | |
188 | do { | |
189 | value = rtl_read_dword(rtlpriv, REG_LLT_INIT); | |
190 | if (_LLT_NO_ACTIVE == _LLT_OP_VALUE(value)) | |
191 | break; | |
192 | if (count > POLLING_LLT_THRESHOLD) { | |
193 | RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, | |
194 | ("Failed to polling write LLT done at" | |
195 | " address %d! _LLT_OP_VALUE(%x)\n", | |
196 | address, _LLT_OP_VALUE(value))); | |
197 | status = false; | |
198 | break; | |
199 | } | |
200 | } while (++count); | |
201 | return status; | |
202 | } | |
203 | /** | |
204 | * rtl92c_init_LLT_table - Init LLT table | |
205 | * @io: io callback | |
206 | * @boundary: | |
207 | * | |
208 | * Realtek hardware access function. | |
209 | * | |
210 | */ | |
211 | bool rtl92c_init_llt_table(struct ieee80211_hw *hw, u32 boundary) | |
212 | { | |
213 | bool rst = true; | |
214 | u32 i; | |
215 | ||
216 | for (i = 0; i < (boundary - 1); i++) { | |
217 | rst = rtl92c_llt_write(hw, i , i + 1); | |
218 | if (true != rst) { | |
292b1192 | 219 | pr_err("===> %s #1 fail\n", __func__); |
666e8457 G |
220 | return rst; |
221 | } | |
222 | } | |
223 | /* end of list */ | |
224 | rst = rtl92c_llt_write(hw, (boundary - 1), 0xFF); | |
225 | if (true != rst) { | |
292b1192 | 226 | pr_err("===> %s #2 fail\n", __func__); |
666e8457 G |
227 | return rst; |
228 | } | |
229 | /* Make the other pages as ring buffer | |
230 | * This ring buffer is used as beacon buffer if we config this MAC | |
231 | * as two MAC transfer. | |
232 | * Otherwise used as local loopback buffer. | |
233 | */ | |
234 | for (i = boundary; i < LLT_LAST_ENTRY_OF_TX_PKT_BUFFER; i++) { | |
235 | rst = rtl92c_llt_write(hw, i, (i + 1)); | |
236 | if (true != rst) { | |
292b1192 | 237 | pr_err("===> %s #3 fail\n", __func__); |
666e8457 G |
238 | return rst; |
239 | } | |
240 | } | |
241 | /* Let last entry point to the start entry of ring buffer */ | |
242 | rst = rtl92c_llt_write(hw, LLT_LAST_ENTRY_OF_TX_PKT_BUFFER, boundary); | |
243 | if (true != rst) { | |
292b1192 | 244 | pr_err("===> %s #4 fail\n", __func__); |
666e8457 G |
245 | return rst; |
246 | } | |
247 | return rst; | |
248 | } | |
249 | void rtl92c_set_key(struct ieee80211_hw *hw, u32 key_index, | |
250 | u8 *p_macaddr, bool is_group, u8 enc_algo, | |
251 | bool is_wepkey, bool clear_all) | |
252 | { | |
253 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
254 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
255 | struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); | |
256 | u8 *macaddr = p_macaddr; | |
257 | u32 entry_id = 0; | |
258 | bool is_pairwise = false; | |
259 | static u8 cam_const_addr[4][6] = { | |
260 | {0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, | |
261 | {0x00, 0x00, 0x00, 0x00, 0x00, 0x01}, | |
262 | {0x00, 0x00, 0x00, 0x00, 0x00, 0x02}, | |
263 | {0x00, 0x00, 0x00, 0x00, 0x00, 0x03} | |
264 | }; | |
265 | static u8 cam_const_broad[] = { | |
266 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff | |
267 | }; | |
268 | ||
269 | if (clear_all) { | |
270 | u8 idx = 0; | |
271 | u8 cam_offset = 0; | |
272 | u8 clear_number = 5; | |
273 | ||
274 | RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, ("clear_all\n")); | |
275 | for (idx = 0; idx < clear_number; idx++) { | |
276 | rtl_cam_mark_invalid(hw, cam_offset + idx); | |
277 | rtl_cam_empty_entry(hw, cam_offset + idx); | |
278 | if (idx < 5) { | |
279 | memset(rtlpriv->sec.key_buf[idx], 0, | |
280 | MAX_KEY_LEN); | |
281 | rtlpriv->sec.key_len[idx] = 0; | |
282 | } | |
283 | } | |
284 | } else { | |
285 | switch (enc_algo) { | |
286 | case WEP40_ENCRYPTION: | |
287 | enc_algo = CAM_WEP40; | |
288 | break; | |
289 | case WEP104_ENCRYPTION: | |
290 | enc_algo = CAM_WEP104; | |
291 | break; | |
292 | case TKIP_ENCRYPTION: | |
293 | enc_algo = CAM_TKIP; | |
294 | break; | |
295 | case AESCCMP_ENCRYPTION: | |
296 | enc_algo = CAM_AES; | |
297 | break; | |
298 | default: | |
299 | RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, | |
300 | ("iillegal switch case\n")); | |
301 | enc_algo = CAM_TKIP; | |
302 | break; | |
303 | } | |
304 | if (is_wepkey || rtlpriv->sec.use_defaultkey) { | |
305 | macaddr = cam_const_addr[key_index]; | |
306 | entry_id = key_index; | |
307 | } else { | |
308 | if (is_group) { | |
309 | macaddr = cam_const_broad; | |
310 | entry_id = key_index; | |
311 | } else { | |
312 | key_index = PAIRWISE_KEYIDX; | |
313 | entry_id = CAM_PAIRWISE_KEY_POSITION; | |
314 | is_pairwise = true; | |
315 | } | |
316 | } | |
317 | if (rtlpriv->sec.key_len[key_index] == 0) { | |
318 | RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, | |
319 | ("delete one entry\n")); | |
320 | rtl_cam_delete_one_entry(hw, p_macaddr, entry_id); | |
321 | } else { | |
322 | RT_TRACE(rtlpriv, COMP_SEC, DBG_LOUD, | |
323 | ("The insert KEY length is %d\n", | |
324 | rtlpriv->sec.key_len[PAIRWISE_KEYIDX])); | |
325 | RT_TRACE(rtlpriv, COMP_SEC, DBG_LOUD, | |
326 | ("The insert KEY is %x %x\n", | |
327 | rtlpriv->sec.key_buf[0][0], | |
328 | rtlpriv->sec.key_buf[0][1])); | |
329 | RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, | |
330 | ("add one entry\n")); | |
331 | if (is_pairwise) { | |
332 | RT_PRINT_DATA(rtlpriv, COMP_SEC, DBG_LOUD, | |
333 | "Pairwiase Key content :", | |
334 | rtlpriv->sec.pairwise_key, | |
335 | rtlpriv->sec. | |
336 | key_len[PAIRWISE_KEYIDX]); | |
337 | RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, | |
338 | ("set Pairwiase key\n")); | |
339 | ||
340 | rtl_cam_add_one_entry(hw, macaddr, key_index, | |
341 | entry_id, enc_algo, | |
342 | CAM_CONFIG_NO_USEDK, | |
343 | rtlpriv->sec. | |
344 | key_buf[key_index]); | |
345 | } else { | |
346 | RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, | |
347 | ("set group key\n")); | |
348 | if (mac->opmode == NL80211_IFTYPE_ADHOC) { | |
349 | rtl_cam_add_one_entry(hw, | |
350 | rtlefuse->dev_addr, | |
351 | PAIRWISE_KEYIDX, | |
352 | CAM_PAIRWISE_KEY_POSITION, | |
353 | enc_algo, | |
354 | CAM_CONFIG_NO_USEDK, | |
355 | rtlpriv->sec.key_buf | |
356 | [entry_id]); | |
357 | } | |
358 | rtl_cam_add_one_entry(hw, macaddr, key_index, | |
359 | entry_id, enc_algo, | |
360 | CAM_CONFIG_NO_USEDK, | |
361 | rtlpriv->sec.key_buf[entry_id]); | |
362 | } | |
363 | } | |
364 | } | |
365 | } | |
366 | ||
367 | u32 rtl92c_get_txdma_status(struct ieee80211_hw *hw) | |
368 | { | |
369 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
370 | ||
371 | return rtl_read_dword(rtlpriv, REG_TXDMA_STATUS); | |
372 | } | |
373 | ||
374 | void rtl92c_enable_interrupt(struct ieee80211_hw *hw) | |
375 | { | |
376 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
377 | struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); | |
378 | struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); | |
379 | struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw)); | |
380 | ||
381 | if (IS_HARDWARE_TYPE_8192CE(rtlhal)) { | |
382 | rtl_write_dword(rtlpriv, REG_HIMR, rtlpci->irq_mask[0] & | |
383 | 0xFFFFFFFF); | |
384 | rtl_write_dword(rtlpriv, REG_HIMRE, rtlpci->irq_mask[1] & | |
385 | 0xFFFFFFFF); | |
666e8457 G |
386 | } else { |
387 | rtl_write_dword(rtlpriv, REG_HIMR, rtlusb->irq_mask[0] & | |
388 | 0xFFFFFFFF); | |
389 | rtl_write_dword(rtlpriv, REG_HIMRE, rtlusb->irq_mask[1] & | |
390 | 0xFFFFFFFF); | |
666e8457 G |
391 | } |
392 | } | |
393 | ||
394 | void rtl92c_init_interrupt(struct ieee80211_hw *hw) | |
395 | { | |
396 | rtl92c_enable_interrupt(hw); | |
397 | } | |
398 | ||
399 | void rtl92c_disable_interrupt(struct ieee80211_hw *hw) | |
400 | { | |
401 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
666e8457 G |
402 | |
403 | rtl_write_dword(rtlpriv, REG_HIMR, IMR8190_DISABLED); | |
404 | rtl_write_dword(rtlpriv, REG_HIMRE, IMR8190_DISABLED); | |
666e8457 G |
405 | } |
406 | ||
407 | void rtl92c_set_qos(struct ieee80211_hw *hw, int aci) | |
408 | { | |
409 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
410 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
411 | u32 u4b_ac_param; | |
412 | ||
413 | rtl92c_dm_init_edca_turbo(hw); | |
414 | u4b_ac_param = (u32) mac->ac[aci].aifs; | |
415 | u4b_ac_param |= | |
416 | ((u32) le16_to_cpu(mac->ac[aci].cw_min) & 0xF) << | |
417 | AC_PARAM_ECW_MIN_OFFSET; | |
418 | u4b_ac_param |= | |
419 | ((u32) le16_to_cpu(mac->ac[aci].cw_max) & 0xF) << | |
420 | AC_PARAM_ECW_MAX_OFFSET; | |
421 | u4b_ac_param |= (u32) le16_to_cpu(mac->ac[aci].tx_op) << | |
422 | AC_PARAM_TXOP_OFFSET; | |
423 | RT_TRACE(rtlpriv, COMP_QOS, DBG_LOUD, | |
424 | ("queue:%x, ac_param:%x\n", aci, u4b_ac_param)); | |
425 | switch (aci) { | |
426 | case AC1_BK: | |
427 | rtl_write_dword(rtlpriv, REG_EDCA_BK_PARAM, u4b_ac_param); | |
428 | break; | |
429 | case AC0_BE: | |
430 | rtl_write_dword(rtlpriv, REG_EDCA_BE_PARAM, u4b_ac_param); | |
431 | break; | |
432 | case AC2_VI: | |
433 | rtl_write_dword(rtlpriv, REG_EDCA_VI_PARAM, u4b_ac_param); | |
434 | break; | |
435 | case AC3_VO: | |
436 | rtl_write_dword(rtlpriv, REG_EDCA_VO_PARAM, u4b_ac_param); | |
437 | break; | |
438 | default: | |
439 | RT_ASSERT(false, ("invalid aci: %d !\n", aci)); | |
440 | break; | |
441 | } | |
442 | } | |
443 | ||
444 | /*------------------------------------------------------------------------- | |
445 | * HW MAC Address | |
446 | *-------------------------------------------------------------------------*/ | |
447 | void rtl92c_set_mac_addr(struct ieee80211_hw *hw, const u8 *addr) | |
448 | { | |
449 | u32 i; | |
450 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
451 | ||
452 | for (i = 0 ; i < ETH_ALEN ; i++) | |
453 | rtl_write_byte(rtlpriv, (REG_MACID + i), *(addr+i)); | |
454 | ||
455 | RT_TRACE(rtlpriv, COMP_CMD, DBG_DMESG, ("MAC Address: %02X-%02X-%02X-" | |
456 | "%02X-%02X-%02X\n", | |
457 | rtl_read_byte(rtlpriv, REG_MACID), | |
458 | rtl_read_byte(rtlpriv, REG_MACID+1), | |
459 | rtl_read_byte(rtlpriv, REG_MACID+2), | |
460 | rtl_read_byte(rtlpriv, REG_MACID+3), | |
461 | rtl_read_byte(rtlpriv, REG_MACID+4), | |
462 | rtl_read_byte(rtlpriv, REG_MACID+5))); | |
463 | } | |
464 | ||
465 | void rtl92c_init_driver_info_size(struct ieee80211_hw *hw, u8 size) | |
466 | { | |
467 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
468 | rtl_write_byte(rtlpriv, REG_RX_DRVINFO_SZ, size); | |
469 | } | |
470 | ||
471 | int rtl92c_set_network_type(struct ieee80211_hw *hw, enum nl80211_iftype type) | |
472 | { | |
473 | u8 value; | |
474 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
475 | ||
476 | switch (type) { | |
477 | case NL80211_IFTYPE_UNSPECIFIED: | |
478 | value = NT_NO_LINK; | |
479 | RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, | |
480 | ("Set Network type to NO LINK!\n")); | |
481 | break; | |
482 | case NL80211_IFTYPE_ADHOC: | |
483 | value = NT_LINK_AD_HOC; | |
484 | RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, | |
485 | ("Set Network type to Ad Hoc!\n")); | |
486 | break; | |
487 | case NL80211_IFTYPE_STATION: | |
488 | value = NT_LINK_AP; | |
489 | RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, | |
490 | ("Set Network type to STA!\n")); | |
491 | break; | |
492 | case NL80211_IFTYPE_AP: | |
493 | value = NT_AS_AP; | |
494 | RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, | |
495 | ("Set Network type to AP!\n")); | |
496 | break; | |
497 | default: | |
498 | RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, | |
499 | ("Network type %d not support!\n", type)); | |
500 | return -EOPNOTSUPP; | |
501 | } | |
502 | rtl_write_byte(rtlpriv, (REG_CR + 2), value); | |
503 | return 0; | |
504 | } | |
505 | ||
506 | void rtl92c_init_network_type(struct ieee80211_hw *hw) | |
507 | { | |
508 | rtl92c_set_network_type(hw, NL80211_IFTYPE_UNSPECIFIED); | |
509 | } | |
510 | ||
511 | void rtl92c_init_adaptive_ctrl(struct ieee80211_hw *hw) | |
512 | { | |
513 | u16 value16; | |
514 | u32 value32; | |
515 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
516 | ||
517 | /* Response Rate Set */ | |
518 | value32 = rtl_read_dword(rtlpriv, REG_RRSR); | |
519 | value32 &= ~RATE_BITMAP_ALL; | |
520 | value32 |= RATE_RRSR_CCK_ONLY_1M; | |
521 | rtl_write_dword(rtlpriv, REG_RRSR, value32); | |
522 | /* SIFS (used in NAV) */ | |
523 | value16 = _SPEC_SIFS_CCK(0x10) | _SPEC_SIFS_OFDM(0x10); | |
524 | rtl_write_word(rtlpriv, REG_SPEC_SIFS, value16); | |
525 | /* Retry Limit */ | |
526 | value16 = _LRL(0x30) | _SRL(0x30); | |
527 | rtl_write_dword(rtlpriv, REG_RL, value16); | |
528 | } | |
529 | ||
530 | void rtl92c_init_rate_fallback(struct ieee80211_hw *hw) | |
531 | { | |
532 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
533 | ||
534 | /* Set Data Auto Rate Fallback Retry Count register. */ | |
535 | rtl_write_dword(rtlpriv, REG_DARFRC, 0x00000000); | |
536 | rtl_write_dword(rtlpriv, REG_DARFRC+4, 0x10080404); | |
537 | rtl_write_dword(rtlpriv, REG_RARFRC, 0x04030201); | |
538 | rtl_write_dword(rtlpriv, REG_RARFRC+4, 0x08070605); | |
539 | } | |
540 | ||
541 | static void rtl92c_set_cck_sifs(struct ieee80211_hw *hw, u8 trx_sifs, | |
542 | u8 ctx_sifs) | |
543 | { | |
544 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
545 | ||
546 | rtl_write_byte(rtlpriv, REG_SIFS_CCK, trx_sifs); | |
547 | rtl_write_byte(rtlpriv, (REG_SIFS_CCK + 1), ctx_sifs); | |
548 | } | |
549 | ||
550 | static void rtl92c_set_ofdm_sifs(struct ieee80211_hw *hw, u8 trx_sifs, | |
551 | u8 ctx_sifs) | |
552 | { | |
553 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
554 | ||
555 | rtl_write_byte(rtlpriv, REG_SIFS_OFDM, trx_sifs); | |
556 | rtl_write_byte(rtlpriv, (REG_SIFS_OFDM + 1), ctx_sifs); | |
557 | } | |
558 | ||
559 | void rtl92c_init_edca_param(struct ieee80211_hw *hw, | |
560 | u16 queue, u16 txop, u8 cw_min, u8 cw_max, u8 aifs) | |
561 | { | |
562 | /* sequence: VO, VI, BE, BK ==> the same as 92C hardware design. | |
563 | * referenc : enum nl80211_txq_q or ieee80211_set_wmm_default function. | |
564 | */ | |
565 | u32 value; | |
566 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
567 | ||
568 | value = (u32)aifs; | |
569 | value |= ((u32)cw_min & 0xF) << 8; | |
570 | value |= ((u32)cw_max & 0xF) << 12; | |
571 | value |= (u32)txop << 16; | |
572 | /* 92C hardware register sequence is the same as queue number. */ | |
573 | rtl_write_dword(rtlpriv, (REG_EDCA_VO_PARAM + (queue * 4)), value); | |
574 | } | |
575 | ||
576 | void rtl92c_init_edca(struct ieee80211_hw *hw) | |
577 | { | |
578 | u16 value16; | |
579 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
580 | ||
581 | /* disable EDCCA count down, to reduce collison and retry */ | |
582 | value16 = rtl_read_word(rtlpriv, REG_RD_CTRL); | |
583 | value16 |= DIS_EDCA_CNT_DWN; | |
584 | rtl_write_word(rtlpriv, REG_RD_CTRL, value16); | |
585 | /* Update SIFS timing. ?????????? | |
586 | * pHalData->SifsTime = 0x0e0e0a0a; */ | |
587 | rtl92c_set_cck_sifs(hw, 0xa, 0xa); | |
588 | rtl92c_set_ofdm_sifs(hw, 0xe, 0xe); | |
589 | /* Set CCK/OFDM SIFS to be 10us. */ | |
590 | rtl_write_word(rtlpriv, REG_SIFS_CCK, 0x0a0a); | |
591 | rtl_write_word(rtlpriv, REG_SIFS_OFDM, 0x1010); | |
592 | rtl_write_word(rtlpriv, REG_PROT_MODE_CTRL, 0x0204); | |
593 | rtl_write_dword(rtlpriv, REG_BAR_MODE_CTRL, 0x014004); | |
594 | /* TXOP */ | |
595 | rtl_write_dword(rtlpriv, REG_EDCA_BE_PARAM, 0x005EA42B); | |
596 | rtl_write_dword(rtlpriv, REG_EDCA_BK_PARAM, 0x0000A44F); | |
597 | rtl_write_dword(rtlpriv, REG_EDCA_VI_PARAM, 0x005EA324); | |
598 | rtl_write_dword(rtlpriv, REG_EDCA_VO_PARAM, 0x002FA226); | |
599 | /* PIFS */ | |
600 | rtl_write_byte(rtlpriv, REG_PIFS, 0x1C); | |
601 | /* AGGR BREAK TIME Register */ | |
602 | rtl_write_byte(rtlpriv, REG_AGGR_BREAK_TIME, 0x16); | |
603 | rtl_write_word(rtlpriv, REG_NAV_PROT_LEN, 0x0040); | |
604 | rtl_write_byte(rtlpriv, REG_BCNDMATIM, 0x02); | |
605 | rtl_write_byte(rtlpriv, REG_ATIMWND, 0x02); | |
606 | } | |
607 | ||
608 | void rtl92c_init_ampdu_aggregation(struct ieee80211_hw *hw) | |
609 | { | |
610 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
611 | ||
612 | rtl_write_dword(rtlpriv, REG_AGGLEN_LMT, 0x99997631); | |
613 | rtl_write_byte(rtlpriv, REG_AGGR_BREAK_TIME, 0x16); | |
614 | /* init AMPDU aggregation number, tuning for Tx's TP, */ | |
615 | rtl_write_word(rtlpriv, 0x4CA, 0x0708); | |
616 | } | |
617 | ||
618 | void rtl92c_init_beacon_max_error(struct ieee80211_hw *hw, bool infra_mode) | |
619 | { | |
620 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
621 | ||
622 | rtl_write_byte(rtlpriv, REG_BCN_MAX_ERR, 0xFF); | |
623 | } | |
624 | ||
625 | void rtl92c_init_rdg_setting(struct ieee80211_hw *hw) | |
626 | { | |
627 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
628 | ||
629 | rtl_write_byte(rtlpriv, REG_RD_CTRL, 0xFF); | |
630 | rtl_write_word(rtlpriv, REG_RD_NAV_NXT, 0x200); | |
631 | rtl_write_byte(rtlpriv, REG_RD_RESP_PKT_TH, 0x05); | |
632 | } | |
633 | ||
634 | void rtl92c_init_retry_function(struct ieee80211_hw *hw) | |
635 | { | |
636 | u8 value8; | |
637 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
638 | ||
639 | value8 = rtl_read_byte(rtlpriv, REG_FWHW_TXQ_CTRL); | |
640 | value8 |= EN_AMPDU_RTY_NEW; | |
641 | rtl_write_byte(rtlpriv, REG_FWHW_TXQ_CTRL, value8); | |
642 | /* Set ACK timeout */ | |
643 | rtl_write_byte(rtlpriv, REG_ACKTO, 0x40); | |
644 | } | |
645 | ||
646 | void rtl92c_init_beacon_parameters(struct ieee80211_hw *hw, | |
647 | enum version_8192c version) | |
648 | { | |
649 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
650 | struct rtl_hal *rtlhal = rtl_hal(rtlpriv); | |
651 | ||
652 | rtl_write_word(rtlpriv, REG_TBTT_PROHIBIT, 0x6404);/* ms */ | |
653 | rtl_write_byte(rtlpriv, REG_DRVERLYINT, DRIVER_EARLY_INT_TIME);/*ms*/ | |
654 | rtl_write_byte(rtlpriv, REG_BCNDMATIM, BCN_DMA_ATIME_INT_TIME); | |
655 | if (IS_NORMAL_CHIP(rtlhal->version)) | |
656 | rtl_write_word(rtlpriv, REG_BCNTCFG, 0x660F); | |
657 | else | |
658 | rtl_write_word(rtlpriv, REG_BCNTCFG, 0x66FF); | |
659 | } | |
660 | ||
661 | void rtl92c_disable_fast_edca(struct ieee80211_hw *hw) | |
662 | { | |
663 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
664 | ||
665 | rtl_write_word(rtlpriv, REG_FAST_EDCA_CTRL, 0); | |
666 | } | |
667 | ||
668 | void rtl92c_set_min_space(struct ieee80211_hw *hw, bool is2T) | |
669 | { | |
670 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
671 | u8 value = is2T ? MAX_MSS_DENSITY_2T : MAX_MSS_DENSITY_1T; | |
672 | ||
673 | rtl_write_byte(rtlpriv, REG_AMPDU_MIN_SPACE, value); | |
674 | } | |
675 | ||
676 | u16 rtl92c_get_mgt_filter(struct ieee80211_hw *hw) | |
677 | { | |
678 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
679 | ||
680 | return rtl_read_word(rtlpriv, REG_RXFLTMAP0); | |
681 | } | |
682 | ||
683 | void rtl92c_set_mgt_filter(struct ieee80211_hw *hw, u16 filter) | |
684 | { | |
685 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
686 | ||
687 | rtl_write_word(rtlpriv, REG_RXFLTMAP0, filter); | |
688 | } | |
689 | ||
690 | u16 rtl92c_get_ctrl_filter(struct ieee80211_hw *hw) | |
691 | { | |
692 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
693 | ||
694 | return rtl_read_word(rtlpriv, REG_RXFLTMAP1); | |
695 | } | |
696 | ||
697 | void rtl92c_set_ctrl_filter(struct ieee80211_hw *hw, u16 filter) | |
698 | { | |
699 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
700 | ||
701 | rtl_write_word(rtlpriv, REG_RXFLTMAP1, filter); | |
702 | } | |
703 | ||
704 | u16 rtl92c_get_data_filter(struct ieee80211_hw *hw) | |
705 | { | |
706 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
707 | ||
708 | return rtl_read_word(rtlpriv, REG_RXFLTMAP2); | |
709 | } | |
710 | ||
711 | void rtl92c_set_data_filter(struct ieee80211_hw *hw, u16 filter) | |
712 | { | |
713 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
714 | ||
715 | rtl_write_word(rtlpriv, REG_RXFLTMAP2, filter); | |
716 | } | |
717 | /*==============================================================*/ | |
718 | ||
719 | static u8 _rtl92c_query_rxpwrpercentage(char antpower) | |
720 | { | |
721 | if ((antpower <= -100) || (antpower >= 20)) | |
722 | return 0; | |
723 | else if (antpower >= 0) | |
724 | return 100; | |
725 | else | |
726 | return 100 + antpower; | |
727 | } | |
728 | ||
729 | static u8 _rtl92c_evm_db_to_percentage(char value) | |
730 | { | |
731 | char ret_val; | |
732 | ||
733 | ret_val = value; | |
734 | if (ret_val >= 0) | |
735 | ret_val = 0; | |
736 | if (ret_val <= -33) | |
737 | ret_val = -33; | |
738 | ret_val = 0 - ret_val; | |
739 | ret_val *= 3; | |
740 | if (ret_val == 99) | |
741 | ret_val = 100; | |
742 | return ret_val; | |
743 | } | |
744 | ||
745 | static long _rtl92c_translate_todbm(struct ieee80211_hw *hw, | |
746 | u8 signal_strength_index) | |
747 | { | |
748 | long signal_power; | |
749 | ||
750 | signal_power = (long)((signal_strength_index + 1) >> 1); | |
751 | signal_power -= 95; | |
752 | return signal_power; | |
753 | } | |
754 | ||
755 | static long _rtl92c_signal_scale_mapping(struct ieee80211_hw *hw, | |
756 | long currsig) | |
757 | { | |
758 | long retsig; | |
759 | ||
760 | if (currsig >= 61 && currsig <= 100) | |
761 | retsig = 90 + ((currsig - 60) / 4); | |
762 | else if (currsig >= 41 && currsig <= 60) | |
763 | retsig = 78 + ((currsig - 40) / 2); | |
764 | else if (currsig >= 31 && currsig <= 40) | |
765 | retsig = 66 + (currsig - 30); | |
766 | else if (currsig >= 21 && currsig <= 30) | |
767 | retsig = 54 + (currsig - 20); | |
768 | else if (currsig >= 5 && currsig <= 20) | |
769 | retsig = 42 + (((currsig - 5) * 2) / 3); | |
770 | else if (currsig == 4) | |
771 | retsig = 36; | |
772 | else if (currsig == 3) | |
773 | retsig = 27; | |
774 | else if (currsig == 2) | |
775 | retsig = 18; | |
776 | else if (currsig == 1) | |
777 | retsig = 9; | |
778 | else | |
779 | retsig = currsig; | |
780 | return retsig; | |
781 | } | |
782 | ||
783 | static void _rtl92c_query_rxphystatus(struct ieee80211_hw *hw, | |
784 | struct rtl_stats *pstats, | |
785 | struct rx_desc_92c *pdesc, | |
786 | struct rx_fwinfo_92c *p_drvinfo, | |
787 | bool packet_match_bssid, | |
788 | bool packet_toself, | |
789 | bool packet_beacon) | |
790 | { | |
791 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
792 | struct rtl_phy *rtlphy = &(rtlpriv->phy); | |
793 | struct phy_sts_cck_8192s_t *cck_buf; | |
794 | s8 rx_pwr_all = 0, rx_pwr[4]; | |
795 | u8 rf_rx_num = 0, evm, pwdb_all; | |
796 | u8 i, max_spatial_stream; | |
797 | u32 rssi, total_rssi = 0; | |
798 | bool in_powersavemode = false; | |
799 | bool is_cck_rate; | |
800 | ||
801 | is_cck_rate = RX_HAL_IS_CCK_RATE(pdesc); | |
802 | pstats->packet_matchbssid = packet_match_bssid; | |
803 | pstats->packet_toself = packet_toself; | |
804 | pstats->is_cck = is_cck_rate; | |
805 | pstats->packet_beacon = packet_beacon; | |
806 | pstats->is_cck = is_cck_rate; | |
807 | pstats->RX_SIGQ[0] = -1; | |
808 | pstats->RX_SIGQ[1] = -1; | |
809 | if (is_cck_rate) { | |
810 | u8 report, cck_highpwr; | |
811 | cck_buf = (struct phy_sts_cck_8192s_t *)p_drvinfo; | |
812 | if (!in_powersavemode) | |
813 | cck_highpwr = rtlphy->cck_high_power; | |
814 | else | |
815 | cck_highpwr = false; | |
816 | if (!cck_highpwr) { | |
817 | u8 cck_agc_rpt = cck_buf->cck_agc_rpt; | |
818 | report = cck_buf->cck_agc_rpt & 0xc0; | |
819 | report = report >> 6; | |
820 | switch (report) { | |
821 | case 0x3: | |
822 | rx_pwr_all = -46 - (cck_agc_rpt & 0x3e); | |
823 | break; | |
824 | case 0x2: | |
825 | rx_pwr_all = -26 - (cck_agc_rpt & 0x3e); | |
826 | break; | |
827 | case 0x1: | |
828 | rx_pwr_all = -12 - (cck_agc_rpt & 0x3e); | |
829 | break; | |
830 | case 0x0: | |
831 | rx_pwr_all = 16 - (cck_agc_rpt & 0x3e); | |
832 | break; | |
833 | } | |
834 | } else { | |
835 | u8 cck_agc_rpt = cck_buf->cck_agc_rpt; | |
836 | report = p_drvinfo->cfosho[0] & 0x60; | |
837 | report = report >> 5; | |
838 | switch (report) { | |
839 | case 0x3: | |
840 | rx_pwr_all = -46 - ((cck_agc_rpt & 0x1f) << 1); | |
841 | break; | |
842 | case 0x2: | |
843 | rx_pwr_all = -26 - ((cck_agc_rpt & 0x1f) << 1); | |
844 | break; | |
845 | case 0x1: | |
846 | rx_pwr_all = -12 - ((cck_agc_rpt & 0x1f) << 1); | |
847 | break; | |
848 | case 0x0: | |
849 | rx_pwr_all = 16 - ((cck_agc_rpt & 0x1f) << 1); | |
850 | break; | |
851 | } | |
852 | } | |
853 | pwdb_all = _rtl92c_query_rxpwrpercentage(rx_pwr_all); | |
854 | pstats->rx_pwdb_all = pwdb_all; | |
855 | pstats->recvsignalpower = rx_pwr_all; | |
856 | if (packet_match_bssid) { | |
857 | u8 sq; | |
858 | if (pstats->rx_pwdb_all > 40) | |
859 | sq = 100; | |
860 | else { | |
861 | sq = cck_buf->sq_rpt; | |
862 | if (sq > 64) | |
863 | sq = 0; | |
864 | else if (sq < 20) | |
865 | sq = 100; | |
866 | else | |
867 | sq = ((64 - sq) * 100) / 44; | |
868 | } | |
869 | pstats->signalquality = sq; | |
870 | pstats->RX_SIGQ[0] = sq; | |
871 | pstats->RX_SIGQ[1] = -1; | |
872 | } | |
873 | } else { | |
874 | rtlpriv->dm.rfpath_rxenable[0] = | |
875 | rtlpriv->dm.rfpath_rxenable[1] = true; | |
876 | for (i = RF90_PATH_A; i < RF90_PATH_MAX; i++) { | |
877 | if (rtlpriv->dm.rfpath_rxenable[i]) | |
878 | rf_rx_num++; | |
879 | rx_pwr[i] = | |
880 | ((p_drvinfo->gain_trsw[i] & 0x3f) * 2) - 110; | |
881 | rssi = _rtl92c_query_rxpwrpercentage(rx_pwr[i]); | |
882 | total_rssi += rssi; | |
883 | rtlpriv->stats.rx_snr_db[i] = | |
884 | (long)(p_drvinfo->rxsnr[i] / 2); | |
885 | ||
886 | if (packet_match_bssid) | |
887 | pstats->rx_mimo_signalstrength[i] = (u8) rssi; | |
888 | } | |
889 | rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 110; | |
890 | pwdb_all = _rtl92c_query_rxpwrpercentage(rx_pwr_all); | |
891 | pstats->rx_pwdb_all = pwdb_all; | |
892 | pstats->rxpower = rx_pwr_all; | |
893 | pstats->recvsignalpower = rx_pwr_all; | |
894 | if (GET_RX_DESC_RX_MCS(pdesc) && | |
895 | GET_RX_DESC_RX_MCS(pdesc) >= DESC92C_RATEMCS8 && | |
896 | GET_RX_DESC_RX_MCS(pdesc) <= DESC92C_RATEMCS15) | |
897 | max_spatial_stream = 2; | |
898 | else | |
899 | max_spatial_stream = 1; | |
900 | for (i = 0; i < max_spatial_stream; i++) { | |
901 | evm = _rtl92c_evm_db_to_percentage(p_drvinfo->rxevm[i]); | |
902 | if (packet_match_bssid) { | |
903 | if (i == 0) | |
904 | pstats->signalquality = | |
905 | (u8) (evm & 0xff); | |
906 | pstats->RX_SIGQ[i] = | |
907 | (u8) (evm & 0xff); | |
908 | } | |
909 | } | |
910 | } | |
911 | if (is_cck_rate) | |
912 | pstats->signalstrength = | |
913 | (u8) (_rtl92c_signal_scale_mapping(hw, pwdb_all)); | |
914 | else if (rf_rx_num != 0) | |
915 | pstats->signalstrength = | |
916 | (u8) (_rtl92c_signal_scale_mapping | |
917 | (hw, total_rssi /= rf_rx_num)); | |
918 | } | |
919 | ||
920 | static void _rtl92c_process_ui_rssi(struct ieee80211_hw *hw, | |
921 | struct rtl_stats *pstats) | |
922 | { | |
923 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
924 | struct rtl_phy *rtlphy = &(rtlpriv->phy); | |
925 | u8 rfpath; | |
926 | u32 last_rssi, tmpval; | |
927 | ||
928 | if (pstats->packet_toself || pstats->packet_beacon) { | |
929 | rtlpriv->stats.rssi_calculate_cnt++; | |
930 | if (rtlpriv->stats.ui_rssi.total_num++ >= | |
931 | PHY_RSSI_SLID_WIN_MAX) { | |
932 | rtlpriv->stats.ui_rssi.total_num = | |
933 | PHY_RSSI_SLID_WIN_MAX; | |
934 | last_rssi = | |
935 | rtlpriv->stats.ui_rssi.elements[rtlpriv-> | |
936 | stats.ui_rssi.index]; | |
937 | rtlpriv->stats.ui_rssi.total_val -= last_rssi; | |
938 | } | |
939 | rtlpriv->stats.ui_rssi.total_val += pstats->signalstrength; | |
940 | rtlpriv->stats.ui_rssi.elements[rtlpriv->stats.ui_rssi. | |
941 | index++] = pstats->signalstrength; | |
942 | if (rtlpriv->stats.ui_rssi.index >= PHY_RSSI_SLID_WIN_MAX) | |
943 | rtlpriv->stats.ui_rssi.index = 0; | |
944 | tmpval = rtlpriv->stats.ui_rssi.total_val / | |
945 | rtlpriv->stats.ui_rssi.total_num; | |
946 | rtlpriv->stats.signal_strength = | |
947 | _rtl92c_translate_todbm(hw, (u8) tmpval); | |
948 | pstats->rssi = rtlpriv->stats.signal_strength; | |
949 | } | |
950 | if (!pstats->is_cck && pstats->packet_toself) { | |
951 | for (rfpath = RF90_PATH_A; rfpath < rtlphy->num_total_rfpath; | |
952 | rfpath++) { | |
953 | if (!rtl8192_phy_check_is_legal_rfpath(hw, rfpath)) | |
954 | continue; | |
955 | if (rtlpriv->stats.rx_rssi_percentage[rfpath] == 0) { | |
956 | rtlpriv->stats.rx_rssi_percentage[rfpath] = | |
957 | pstats->rx_mimo_signalstrength[rfpath]; | |
958 | } | |
959 | if (pstats->rx_mimo_signalstrength[rfpath] > | |
960 | rtlpriv->stats.rx_rssi_percentage[rfpath]) { | |
961 | rtlpriv->stats.rx_rssi_percentage[rfpath] = | |
962 | ((rtlpriv->stats. | |
963 | rx_rssi_percentage[rfpath] * | |
964 | (RX_SMOOTH_FACTOR - 1)) + | |
965 | (pstats->rx_mimo_signalstrength[rfpath])) / | |
966 | (RX_SMOOTH_FACTOR); | |
967 | ||
968 | rtlpriv->stats.rx_rssi_percentage[rfpath] = | |
969 | rtlpriv->stats.rx_rssi_percentage[rfpath] + | |
970 | 1; | |
971 | } else { | |
972 | rtlpriv->stats.rx_rssi_percentage[rfpath] = | |
973 | ((rtlpriv->stats. | |
974 | rx_rssi_percentage[rfpath] * | |
975 | (RX_SMOOTH_FACTOR - 1)) + | |
976 | (pstats->rx_mimo_signalstrength[rfpath])) / | |
977 | (RX_SMOOTH_FACTOR); | |
978 | } | |
979 | } | |
980 | } | |
981 | } | |
982 | ||
983 | static void _rtl92c_update_rxsignalstatistics(struct ieee80211_hw *hw, | |
984 | struct rtl_stats *pstats) | |
985 | { | |
986 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
987 | int weighting = 0; | |
988 | ||
989 | if (rtlpriv->stats.recv_signal_power == 0) | |
990 | rtlpriv->stats.recv_signal_power = pstats->recvsignalpower; | |
991 | if (pstats->recvsignalpower > rtlpriv->stats.recv_signal_power) | |
992 | weighting = 5; | |
993 | else if (pstats->recvsignalpower < rtlpriv->stats.recv_signal_power) | |
994 | weighting = (-5); | |
995 | rtlpriv->stats.recv_signal_power = | |
996 | (rtlpriv->stats.recv_signal_power * 5 + | |
997 | pstats->recvsignalpower + weighting) / 6; | |
998 | } | |
999 | ||
1000 | static void _rtl92c_process_pwdb(struct ieee80211_hw *hw, | |
1001 | struct rtl_stats *pstats) | |
1002 | { | |
1003 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1004 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
1005 | long undecorated_smoothed_pwdb = 0; | |
1006 | ||
1007 | if (mac->opmode == NL80211_IFTYPE_ADHOC) { | |
1008 | return; | |
1009 | } else { | |
1010 | undecorated_smoothed_pwdb = | |
1011 | rtlpriv->dm.undecorated_smoothed_pwdb; | |
1012 | } | |
1013 | if (pstats->packet_toself || pstats->packet_beacon) { | |
1014 | if (undecorated_smoothed_pwdb < 0) | |
1015 | undecorated_smoothed_pwdb = pstats->rx_pwdb_all; | |
1016 | if (pstats->rx_pwdb_all > (u32) undecorated_smoothed_pwdb) { | |
1017 | undecorated_smoothed_pwdb = | |
1018 | (((undecorated_smoothed_pwdb) * | |
1019 | (RX_SMOOTH_FACTOR - 1)) + | |
1020 | (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR); | |
1021 | undecorated_smoothed_pwdb = undecorated_smoothed_pwdb | |
1022 | + 1; | |
1023 | } else { | |
1024 | undecorated_smoothed_pwdb = | |
1025 | (((undecorated_smoothed_pwdb) * | |
1026 | (RX_SMOOTH_FACTOR - 1)) + | |
1027 | (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR); | |
1028 | } | |
1029 | rtlpriv->dm.undecorated_smoothed_pwdb = | |
1030 | undecorated_smoothed_pwdb; | |
1031 | _rtl92c_update_rxsignalstatistics(hw, pstats); | |
1032 | } | |
1033 | } | |
1034 | ||
1035 | static void _rtl92c_process_LINK_Q(struct ieee80211_hw *hw, | |
1036 | struct rtl_stats *pstats) | |
1037 | { | |
1038 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1039 | u32 last_evm = 0, n_stream, tmpval; | |
1040 | ||
1041 | if (pstats->signalquality != 0) { | |
1042 | if (pstats->packet_toself || pstats->packet_beacon) { | |
1043 | if (rtlpriv->stats.LINK_Q.total_num++ >= | |
1044 | PHY_LINKQUALITY_SLID_WIN_MAX) { | |
1045 | rtlpriv->stats.LINK_Q.total_num = | |
1046 | PHY_LINKQUALITY_SLID_WIN_MAX; | |
1047 | last_evm = | |
1048 | rtlpriv->stats.LINK_Q.elements | |
1049 | [rtlpriv->stats.LINK_Q.index]; | |
1050 | rtlpriv->stats.LINK_Q.total_val -= | |
1051 | last_evm; | |
1052 | } | |
1053 | rtlpriv->stats.LINK_Q.total_val += | |
1054 | pstats->signalquality; | |
1055 | rtlpriv->stats.LINK_Q.elements | |
1056 | [rtlpriv->stats.LINK_Q.index++] = | |
1057 | pstats->signalquality; | |
1058 | if (rtlpriv->stats.LINK_Q.index >= | |
1059 | PHY_LINKQUALITY_SLID_WIN_MAX) | |
1060 | rtlpriv->stats.LINK_Q.index = 0; | |
1061 | tmpval = rtlpriv->stats.LINK_Q.total_val / | |
1062 | rtlpriv->stats.LINK_Q.total_num; | |
1063 | rtlpriv->stats.signal_quality = tmpval; | |
1064 | rtlpriv->stats.last_sigstrength_inpercent = tmpval; | |
1065 | for (n_stream = 0; n_stream < 2; | |
1066 | n_stream++) { | |
1067 | if (pstats->RX_SIGQ[n_stream] != -1) { | |
1068 | if (!rtlpriv->stats.RX_EVM[n_stream]) { | |
1069 | rtlpriv->stats.RX_EVM[n_stream] | |
1070 | = pstats->RX_SIGQ[n_stream]; | |
1071 | } | |
1072 | rtlpriv->stats.RX_EVM[n_stream] = | |
1073 | ((rtlpriv->stats.RX_EVM | |
1074 | [n_stream] * | |
1075 | (RX_SMOOTH_FACTOR - 1)) + | |
1076 | (pstats->RX_SIGQ | |
1077 | [n_stream] * 1)) / | |
1078 | (RX_SMOOTH_FACTOR); | |
1079 | } | |
1080 | } | |
1081 | } | |
1082 | } else { | |
1083 | ; | |
1084 | } | |
1085 | } | |
1086 | ||
1087 | static void _rtl92c_process_phyinfo(struct ieee80211_hw *hw, | |
1088 | u8 *buffer, | |
1089 | struct rtl_stats *pcurrent_stats) | |
1090 | { | |
1091 | if (!pcurrent_stats->packet_matchbssid && | |
1092 | !pcurrent_stats->packet_beacon) | |
1093 | return; | |
1094 | _rtl92c_process_ui_rssi(hw, pcurrent_stats); | |
1095 | _rtl92c_process_pwdb(hw, pcurrent_stats); | |
1096 | _rtl92c_process_LINK_Q(hw, pcurrent_stats); | |
1097 | } | |
1098 | ||
1099 | void rtl92c_translate_rx_signal_stuff(struct ieee80211_hw *hw, | |
1100 | struct sk_buff *skb, | |
1101 | struct rtl_stats *pstats, | |
1102 | struct rx_desc_92c *pdesc, | |
1103 | struct rx_fwinfo_92c *p_drvinfo) | |
1104 | { | |
1105 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
1106 | struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); | |
1107 | struct ieee80211_hdr *hdr; | |
1108 | u8 *tmp_buf; | |
1109 | u8 *praddr; | |
666e8457 G |
1110 | __le16 fc; |
1111 | u16 type, cpu_fc; | |
1112 | bool packet_matchbssid, packet_toself, packet_beacon; | |
1113 | ||
1114 | tmp_buf = skb->data + pstats->rx_drvinfo_size + pstats->rx_bufshift; | |
1115 | hdr = (struct ieee80211_hdr *)tmp_buf; | |
1116 | fc = hdr->frame_control; | |
1117 | cpu_fc = le16_to_cpu(fc); | |
1118 | type = WLAN_FC_GET_TYPE(fc); | |
1119 | praddr = hdr->addr1; | |
666e8457 G |
1120 | packet_matchbssid = |
1121 | ((IEEE80211_FTYPE_CTL != type) && | |
1122 | (!compare_ether_addr(mac->bssid, | |
1123 | (cpu_fc & IEEE80211_FCTL_TODS) ? | |
1124 | hdr->addr1 : (cpu_fc & IEEE80211_FCTL_FROMDS) ? | |
1125 | hdr->addr2 : hdr->addr3)) && | |
1126 | (!pstats->hwerror) && (!pstats->crc) && (!pstats->icv)); | |
1127 | ||
1128 | packet_toself = packet_matchbssid && | |
1129 | (!compare_ether_addr(praddr, rtlefuse->dev_addr)); | |
1130 | if (ieee80211_is_beacon(fc)) | |
1131 | packet_beacon = true; | |
1132 | _rtl92c_query_rxphystatus(hw, pstats, pdesc, p_drvinfo, | |
1133 | packet_matchbssid, packet_toself, | |
1134 | packet_beacon); | |
1135 | _rtl92c_process_phyinfo(hw, tmp_buf, pstats); | |
1136 | } |