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gerrit-public.fairphone.software / kernel / msm-5.4 / 5c405b5c3e435fd332058c59ee58eaa1ac9c513a / . / drivers / net / wireless / rtlwifi / rtl8192ce / dm.c
blob: 62e7c64e087b52ad9a7b756a1bff3e57afda6001 [file] [log] [blame]
Larry Finger0c817332010-12-08 11:12:31 -0600[diff] [blame]1/******************************************************************************
2 *
3 * Copyright(c) 2009-2010 Realtek Corporation.
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 *****************************************************************************/
29
30#include "../wifi.h"
31#include "../base.h"
John W. Linville5c405b52010-12-16 15:43:36 -0500[diff] [blame^]32#include "reg.h"
33#include "def.h"
34#include "phy.h"
35#include "dm.h"
36#include "fw.h"
Larry Finger0c817332010-12-08 11:12:31 -0600[diff] [blame]37
38struct dig_t dm_digtable;
39static struct ps_t dm_pstable;
40
41static const u32 ofdmswing_table[OFDM_TABLE_SIZE] = {
42 0x7f8001fe,
43 0x788001e2,
44 0x71c001c7,
45 0x6b8001ae,
46 0x65400195,
47 0x5fc0017f,
48 0x5a400169,
49 0x55400155,
50 0x50800142,
51 0x4c000130,
52 0x47c0011f,
53 0x43c0010f,
54 0x40000100,
55 0x3c8000f2,
56 0x390000e4,
57 0x35c000d7,
58 0x32c000cb,
59 0x300000c0,
60 0x2d4000b5,
61 0x2ac000ab,
62 0x288000a2,
63 0x26000098,
64 0x24000090,
65 0x22000088,
66 0x20000080,
67 0x1e400079,
68 0x1c800072,
69 0x1b00006c,
70 0x19800066,
71 0x18000060,
72 0x16c0005b,
73 0x15800056,
74 0x14400051,
75 0x1300004c,
76 0x12000048,
77 0x11000044,
78 0x10000040,
79};
80
81static const u8 cckswing_table_ch1ch13[CCK_TABLE_SIZE][8] = {
82 {0x36, 0x35, 0x2e, 0x25, 0x1c, 0x12, 0x09, 0x04},
83 {0x33, 0x32, 0x2b, 0x23, 0x1a, 0x11, 0x08, 0x04},
84 {0x30, 0x2f, 0x29, 0x21, 0x19, 0x10, 0x08, 0x03},
85 {0x2d, 0x2d, 0x27, 0x1f, 0x18, 0x0f, 0x08, 0x03},
86 {0x2b, 0x2a, 0x25, 0x1e, 0x16, 0x0e, 0x07, 0x03},
87 {0x28, 0x28, 0x22, 0x1c, 0x15, 0x0d, 0x07, 0x03},
88 {0x26, 0x25, 0x21, 0x1b, 0x14, 0x0d, 0x06, 0x03},
89 {0x24, 0x23, 0x1f, 0x19, 0x13, 0x0c, 0x06, 0x03},
90 {0x22, 0x21, 0x1d, 0x18, 0x11, 0x0b, 0x06, 0x02},
91 {0x20, 0x20, 0x1b, 0x16, 0x11, 0x08, 0x05, 0x02},
92 {0x1f, 0x1e, 0x1a, 0x15, 0x10, 0x0a, 0x05, 0x02},
93 {0x1d, 0x1c, 0x18, 0x14, 0x0f, 0x0a, 0x05, 0x02},
94 {0x1b, 0x1a, 0x17, 0x13, 0x0e, 0x09, 0x04, 0x02},
95 {0x1a, 0x19, 0x16, 0x12, 0x0d, 0x09, 0x04, 0x02},
96 {0x18, 0x17, 0x15, 0x11, 0x0c, 0x08, 0x04, 0x02},
97 {0x17, 0x16, 0x13, 0x10, 0x0c, 0x08, 0x04, 0x02},
98 {0x16, 0x15, 0x12, 0x0f, 0x0b, 0x07, 0x04, 0x01},
99 {0x14, 0x14, 0x11, 0x0e, 0x0b, 0x07, 0x03, 0x02},
100 {0x13, 0x13, 0x10, 0x0d, 0x0a, 0x06, 0x03, 0x01},
101 {0x12, 0x12, 0x0f, 0x0c, 0x09, 0x06, 0x03, 0x01},
102 {0x11, 0x11, 0x0f, 0x0c, 0x09, 0x06, 0x03, 0x01},
103 {0x10, 0x10, 0x0e, 0x0b, 0x08, 0x05, 0x03, 0x01},
104 {0x0f, 0x0f, 0x0d, 0x0b, 0x08, 0x05, 0x03, 0x01},
105 {0x0e, 0x0e, 0x0c, 0x0a, 0x08, 0x05, 0x02, 0x01},
106 {0x0d, 0x0d, 0x0c, 0x0a, 0x07, 0x05, 0x02, 0x01},
107 {0x0d, 0x0c, 0x0b, 0x09, 0x07, 0x04, 0x02, 0x01},
108 {0x0c, 0x0c, 0x0a, 0x09, 0x06, 0x04, 0x02, 0x01},
109 {0x0b, 0x0b, 0x0a, 0x08, 0x06, 0x04, 0x02, 0x01},
110 {0x0b, 0x0a, 0x09, 0x08, 0x06, 0x04, 0x02, 0x01},
111 {0x0a, 0x0a, 0x09, 0x07, 0x05, 0x03, 0x02, 0x01},
112 {0x0a, 0x09, 0x08, 0x07, 0x05, 0x03, 0x02, 0x01},
113 {0x09, 0x09, 0x08, 0x06, 0x05, 0x03, 0x01, 0x01},
114 {0x09, 0x08, 0x07, 0x06, 0x04, 0x03, 0x01, 0x01}
115};
116
117static const u8 cckswing_table_ch14[CCK_TABLE_SIZE][8] = {
118 {0x36, 0x35, 0x2e, 0x1b, 0x00, 0x00, 0x00, 0x00},
119 {0x33, 0x32, 0x2b, 0x19, 0x00, 0x00, 0x00, 0x00},
120 {0x30, 0x2f, 0x29, 0x18, 0x00, 0x00, 0x00, 0x00},
121 {0x2d, 0x2d, 0x17, 0x17, 0x00, 0x00, 0x00, 0x00},
122 {0x2b, 0x2a, 0x25, 0x15, 0x00, 0x00, 0x00, 0x00},
123 {0x28, 0x28, 0x24, 0x14, 0x00, 0x00, 0x00, 0x00},
124 {0x26, 0x25, 0x21, 0x13, 0x00, 0x00, 0x00, 0x00},
125 {0x24, 0x23, 0x1f, 0x12, 0x00, 0x00, 0x00, 0x00},
126 {0x22, 0x21, 0x1d, 0x11, 0x00, 0x00, 0x00, 0x00},
127 {0x20, 0x20, 0x1b, 0x10, 0x00, 0x00, 0x00, 0x00},
128 {0x1f, 0x1e, 0x1a, 0x0f, 0x00, 0x00, 0x00, 0x00},
129 {0x1d, 0x1c, 0x18, 0x0e, 0x00, 0x00, 0x00, 0x00},
130 {0x1b, 0x1a, 0x17, 0x0e, 0x00, 0x00, 0x00, 0x00},
131 {0x1a, 0x19, 0x16, 0x0d, 0x00, 0x00, 0x00, 0x00},
132 {0x18, 0x17, 0x15, 0x0c, 0x00, 0x00, 0x00, 0x00},
133 {0x17, 0x16, 0x13, 0x0b, 0x00, 0x00, 0x00, 0x00},
134 {0x16, 0x15, 0x12, 0x0b, 0x00, 0x00, 0x00, 0x00},
135 {0x14, 0x14, 0x11, 0x0a, 0x00, 0x00, 0x00, 0x00},
136 {0x13, 0x13, 0x10, 0x0a, 0x00, 0x00, 0x00, 0x00},
137 {0x12, 0x12, 0x0f, 0x09, 0x00, 0x00, 0x00, 0x00},
138 {0x11, 0x11, 0x0f, 0x09, 0x00, 0x00, 0x00, 0x00},
139 {0x10, 0x10, 0x0e, 0x08, 0x00, 0x00, 0x00, 0x00},
140 {0x0f, 0x0f, 0x0d, 0x08, 0x00, 0x00, 0x00, 0x00},
141 {0x0e, 0x0e, 0x0c, 0x07, 0x00, 0x00, 0x00, 0x00},
142 {0x0d, 0x0d, 0x0c, 0x07, 0x00, 0x00, 0x00, 0x00},
143 {0x0d, 0x0c, 0x0b, 0x06, 0x00, 0x00, 0x00, 0x00},
144 {0x0c, 0x0c, 0x0a, 0x06, 0x00, 0x00, 0x00, 0x00},
145 {0x0b, 0x0b, 0x0a, 0x06, 0x00, 0x00, 0x00, 0x00},
146 {0x0b, 0x0a, 0x09, 0x05, 0x00, 0x00, 0x00, 0x00},
147 {0x0a, 0x0a, 0x09, 0x05, 0x00, 0x00, 0x00, 0x00},
148 {0x0a, 0x09, 0x08, 0x05, 0x00, 0x00, 0x00, 0x00},
149 {0x09, 0x09, 0x08, 0x05, 0x00, 0x00, 0x00, 0x00},
150 {0x09, 0x08, 0x07, 0x04, 0x00, 0x00, 0x00, 0x00}
151};
152
153static void rtl92c_dm_diginit(struct ieee80211_hw *hw)
154{
155 dm_digtable.dig_enable_flag = true;
156 dm_digtable.dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
157 dm_digtable.cur_igvalue = 0x20;
158 dm_digtable.pre_igvalue = 0x0;
159 dm_digtable.cursta_connectctate = DIG_STA_DISCONNECT;
160 dm_digtable.presta_connectstate = DIG_STA_DISCONNECT;
161 dm_digtable.curmultista_connectstate = DIG_MULTISTA_DISCONNECT;
162 dm_digtable.rssi_lowthresh = DM_DIG_THRESH_LOW;
163 dm_digtable.rssi_highthresh = DM_DIG_THRESH_HIGH;
164 dm_digtable.fa_lowthresh = DM_FALSEALARM_THRESH_LOW;
165 dm_digtable.fa_highthresh = DM_FALSEALARM_THRESH_HIGH;
166 dm_digtable.rx_gain_range_max = DM_DIG_MAX;
167 dm_digtable.rx_gain_range_min = DM_DIG_MIN;
168 dm_digtable.backoff_val = DM_DIG_BACKOFF_DEFAULT;
169 dm_digtable.backoff_val_range_max = DM_DIG_BACKOFF_MAX;
170 dm_digtable.backoff_val_range_min = DM_DIG_BACKOFF_MIN;
171 dm_digtable.pre_cck_pd_state = CCK_PD_STAGE_MAX;
172 dm_digtable.cur_cck_pd_state = CCK_PD_STAGE_MAX;
173}
174
175static u8 rtl92c_dm_initial_gain_min_pwdb(struct ieee80211_hw *hw)
176{
177 struct rtl_priv *rtlpriv = rtl_priv(hw);
178 long rssi_val_min = 0;
179
180 if ((dm_digtable.curmultista_connectstate == DIG_MULTISTA_CONNECT) &&
181 (dm_digtable.cursta_connectctate == DIG_STA_CONNECT)) {
182 if (rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb != 0)
183 rssi_val_min =
184 (rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb >
185 rtlpriv->dm.undecorated_smoothed_pwdb) ?
186 rtlpriv->dm.undecorated_smoothed_pwdb :
187 rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb;
188 else
189 rssi_val_min = rtlpriv->dm.undecorated_smoothed_pwdb;
190 } else if (dm_digtable.cursta_connectctate == DIG_STA_CONNECT ||
191 dm_digtable.cursta_connectctate == DIG_STA_BEFORE_CONNECT) {
192 rssi_val_min = rtlpriv->dm.undecorated_smoothed_pwdb;
193 } else if (dm_digtable.curmultista_connectstate ==
194 DIG_MULTISTA_CONNECT) {
195 rssi_val_min = rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb;
196 }
197
198 return (u8) rssi_val_min;
199}
200
201static void rtl92c_dm_false_alarm_counter_statistics(struct ieee80211_hw *hw)
202{
203 u32 ret_value;
204 struct rtl_priv *rtlpriv = rtl_priv(hw);
205 struct false_alarm_statistics *falsealm_cnt = &(rtlpriv->falsealm_cnt);
206
207 ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER1, MASKDWORD);
208 falsealm_cnt->cnt_parity_fail = ((ret_value & 0xffff0000) >> 16);
209
210 ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER2, MASKDWORD);
211 falsealm_cnt->cnt_rate_illegal = (ret_value & 0xffff);
212 falsealm_cnt->cnt_crc8_fail = ((ret_value & 0xffff0000) >> 16);
213
214 ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER3, MASKDWORD);
215 falsealm_cnt->cnt_mcs_fail = (ret_value & 0xffff);
216 falsealm_cnt->cnt_ofdm_fail = falsealm_cnt->cnt_parity_fail +
217 falsealm_cnt->cnt_rate_illegal +
218 falsealm_cnt->cnt_crc8_fail + falsealm_cnt->cnt_mcs_fail;
219
220 rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT, BIT(14), 1);
221 ret_value = rtl_get_bbreg(hw, RCCK0_FACOUNTERLOWER, MASKBYTE0);
222 falsealm_cnt->cnt_cck_fail = ret_value;
223
224 ret_value = rtl_get_bbreg(hw, RCCK0_FACOUNTERUPPER, MASKBYTE3);
225 falsealm_cnt->cnt_cck_fail += (ret_value & 0xff) << 8;
226 falsealm_cnt->cnt_all = (falsealm_cnt->cnt_parity_fail +
227 falsealm_cnt->cnt_rate_illegal +
228 falsealm_cnt->cnt_crc8_fail +
229 falsealm_cnt->cnt_mcs_fail +
230 falsealm_cnt->cnt_cck_fail);
231
232 rtl_set_bbreg(hw, ROFDM1_LSTF, 0x08000000, 1);
233 rtl_set_bbreg(hw, ROFDM1_LSTF, 0x08000000, 0);
234 rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT, 0x0000c000, 0);
235 rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT, 0x0000c000, 2);
236
237 RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
238 ("cnt_parity_fail = %d, cnt_rate_illegal = %d, "
239 "cnt_crc8_fail = %d, cnt_mcs_fail = %d\n",
240 falsealm_cnt->cnt_parity_fail,
241 falsealm_cnt->cnt_rate_illegal,
242 falsealm_cnt->cnt_crc8_fail, falsealm_cnt->cnt_mcs_fail));
243
244 RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
245 ("cnt_ofdm_fail = %x, cnt_cck_fail = %x, cnt_all = %x\n",
246 falsealm_cnt->cnt_ofdm_fail,
247 falsealm_cnt->cnt_cck_fail, falsealm_cnt->cnt_all));
248}
249
250static void rtl92c_dm_ctrl_initgain_by_fa(struct ieee80211_hw *hw)
251{
252 struct rtl_priv *rtlpriv = rtl_priv(hw);
253 u8 value_igi = dm_digtable.cur_igvalue;
254
255 if (rtlpriv->falsealm_cnt.cnt_all < DM_DIG_FA_TH0)
256 value_igi--;
257 else if (rtlpriv->falsealm_cnt.cnt_all < DM_DIG_FA_TH1)
258 value_igi += 0;
259 else if (rtlpriv->falsealm_cnt.cnt_all < DM_DIG_FA_TH2)
260 value_igi++;
261 else if (rtlpriv->falsealm_cnt.cnt_all >= DM_DIG_FA_TH2)
262 value_igi += 2;
263 if (value_igi > DM_DIG_FA_UPPER)
264 value_igi = DM_DIG_FA_UPPER;
265 else if (value_igi < DM_DIG_FA_LOWER)
266 value_igi = DM_DIG_FA_LOWER;
267 if (rtlpriv->falsealm_cnt.cnt_all > 10000)
268 value_igi = 0x32;
269
270 dm_digtable.cur_igvalue = value_igi;
271 rtl92c_dm_write_dig(hw);
272}
273
274static void rtl92c_dm_ctrl_initgain_by_rssi(struct ieee80211_hw *hw)
275{
276 struct rtl_priv *rtlpriv = rtl_priv(hw);
277
278 if (rtlpriv->falsealm_cnt.cnt_all > dm_digtable.fa_highthresh) {
279 if ((dm_digtable.backoff_val - 2) <
280 dm_digtable.backoff_val_range_min)
281 dm_digtable.backoff_val =
282 dm_digtable.backoff_val_range_min;
283 else
284 dm_digtable.backoff_val -= 2;
285 } else if (rtlpriv->falsealm_cnt.cnt_all < dm_digtable.fa_lowthresh) {
286 if ((dm_digtable.backoff_val + 2) >
287 dm_digtable.backoff_val_range_max)
288 dm_digtable.backoff_val =
289 dm_digtable.backoff_val_range_max;
290 else
291 dm_digtable.backoff_val += 2;
292 }
293
294 if ((dm_digtable.rssi_val_min + 10 - dm_digtable.backoff_val) >
295 dm_digtable.rx_gain_range_max)
296 dm_digtable.cur_igvalue = dm_digtable.rx_gain_range_max;
297 else if ((dm_digtable.rssi_val_min + 10 -
298 dm_digtable.backoff_val) < dm_digtable.rx_gain_range_min)
299 dm_digtable.cur_igvalue = dm_digtable.rx_gain_range_min;
300 else
301 dm_digtable.cur_igvalue = dm_digtable.rssi_val_min + 10 -
302 dm_digtable.backoff_val;
303
304 RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
305 ("rssi_val_min = %x backoff_val %x\n",
306 dm_digtable.rssi_val_min, dm_digtable.backoff_val));
307
308 rtl92c_dm_write_dig(hw);
309}
310
311static void rtl92c_dm_initial_gain_multi_sta(struct ieee80211_hw *hw)
312{
313 static u8 binitialized; /* initialized to false */
314 struct rtl_priv *rtlpriv = rtl_priv(hw);
315 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
316 long rssi_strength = rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb;
317 bool b_multi_sta = false;
318
319 if (mac->opmode == NL80211_IFTYPE_ADHOC)
320 b_multi_sta = true;
321
322 if ((b_multi_sta == false) || (dm_digtable.cursta_connectctate !=
323 DIG_STA_DISCONNECT)) {
324 binitialized = false;
325 dm_digtable.dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
326 return;
327 } else if (binitialized == false) {
328 binitialized = true;
329 dm_digtable.dig_ext_port_stage = DIG_EXT_PORT_STAGE_0;
330 dm_digtable.cur_igvalue = 0x20;
331 rtl92c_dm_write_dig(hw);
332 }
333
334 if (dm_digtable.curmultista_connectstate == DIG_MULTISTA_CONNECT) {
335 if ((rssi_strength < dm_digtable.rssi_lowthresh) &&
336 (dm_digtable.dig_ext_port_stage != DIG_EXT_PORT_STAGE_1)) {
337
338 if (dm_digtable.dig_ext_port_stage ==
339 DIG_EXT_PORT_STAGE_2) {
340 dm_digtable.cur_igvalue = 0x20;
341 rtl92c_dm_write_dig(hw);
342 }
343
344 dm_digtable.dig_ext_port_stage = DIG_EXT_PORT_STAGE_1;
345 } else if (rssi_strength > dm_digtable.rssi_highthresh) {
346 dm_digtable.dig_ext_port_stage = DIG_EXT_PORT_STAGE_2;
347 rtl92c_dm_ctrl_initgain_by_fa(hw);
348 }
349 } else if (dm_digtable.dig_ext_port_stage != DIG_EXT_PORT_STAGE_0) {
350 dm_digtable.dig_ext_port_stage = DIG_EXT_PORT_STAGE_0;
351 dm_digtable.cur_igvalue = 0x20;
352 rtl92c_dm_write_dig(hw);
353 }
354
355 RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
356 ("curmultista_connectstate = "
357 "%x dig_ext_port_stage %x\n",
358 dm_digtable.curmultista_connectstate,
359 dm_digtable.dig_ext_port_stage));
360}
361
362static void rtl92c_dm_initial_gain_sta(struct ieee80211_hw *hw)
363{
364 struct rtl_priv *rtlpriv = rtl_priv(hw);
365
366 RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
367 ("presta_connectstate = %x,"
368 " cursta_connectctate = %x\n",
369 dm_digtable.presta_connectstate,
370 dm_digtable.cursta_connectctate));
371
372 if (dm_digtable.presta_connectstate == dm_digtable.cursta_connectctate
373 || dm_digtable.cursta_connectctate == DIG_STA_BEFORE_CONNECT
374 || dm_digtable.cursta_connectctate == DIG_STA_CONNECT) {
375
376 if (dm_digtable.cursta_connectctate != DIG_STA_DISCONNECT) {
377 dm_digtable.rssi_val_min =
378 rtl92c_dm_initial_gain_min_pwdb(hw);
379 rtl92c_dm_ctrl_initgain_by_rssi(hw);
380 }
381 } else {
382 dm_digtable.rssi_val_min = 0;
383 dm_digtable.dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
384 dm_digtable.backoff_val = DM_DIG_BACKOFF_DEFAULT;
385 dm_digtable.cur_igvalue = 0x20;
386 dm_digtable.pre_igvalue = 0;
387 rtl92c_dm_write_dig(hw);
388 }
389}
390
391static void rtl92c_dm_cck_packet_detection_thresh(struct ieee80211_hw *hw)
392{
393 struct rtl_priv *rtlpriv = rtl_priv(hw);
394 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
395
396 if (dm_digtable.cursta_connectctate == DIG_STA_CONNECT) {
397 dm_digtable.rssi_val_min = rtl92c_dm_initial_gain_min_pwdb(hw);
398
399 if (dm_digtable.pre_cck_pd_state == CCK_PD_STAGE_LowRssi) {
400 if (dm_digtable.rssi_val_min <= 25)
401 dm_digtable.cur_cck_pd_state =
402 CCK_PD_STAGE_LowRssi;
403 else
404 dm_digtable.cur_cck_pd_state =
405 CCK_PD_STAGE_HighRssi;
406 } else {
407 if (dm_digtable.rssi_val_min <= 20)
408 dm_digtable.cur_cck_pd_state =
409 CCK_PD_STAGE_LowRssi;
410 else
411 dm_digtable.cur_cck_pd_state =
412 CCK_PD_STAGE_HighRssi;
413 }
414 } else {
415 dm_digtable.cur_cck_pd_state = CCK_PD_STAGE_MAX;
416 }
417
418 if (dm_digtable.pre_cck_pd_state != dm_digtable.cur_cck_pd_state) {
419 if (dm_digtable.cur_cck_pd_state == CCK_PD_STAGE_LowRssi) {
420 if (rtlpriv->falsealm_cnt.cnt_cck_fail > 800)
421 dm_digtable.cur_cck_fa_state =
422 CCK_FA_STAGE_High;
423 else
424 dm_digtable.cur_cck_fa_state = CCK_FA_STAGE_Low;
425
426 if (dm_digtable.pre_cck_fa_state !=
427 dm_digtable.cur_cck_fa_state) {
428 if (dm_digtable.cur_cck_fa_state ==
429 CCK_FA_STAGE_Low)
430 rtl_set_bbreg(hw, RCCK0_CCA, MASKBYTE2,
431 0x83);
432 else
433 rtl_set_bbreg(hw, RCCK0_CCA, MASKBYTE2,
434 0xcd);
435
436 dm_digtable.pre_cck_fa_state =
437 dm_digtable.cur_cck_fa_state;
438 }
439
440 rtl_set_bbreg(hw, RCCK0_SYSTEM, MASKBYTE1, 0x40);
441
442 if (IS_92C_SERIAL(rtlhal->version))
443 rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT,
444 MASKBYTE2, 0xd7);
445 } else {
446 rtl_set_bbreg(hw, RCCK0_CCA, MASKBYTE2, 0xcd);
447 rtl_set_bbreg(hw, RCCK0_SYSTEM, MASKBYTE1, 0x47);
448
449 if (IS_92C_SERIAL(rtlhal->version))
450 rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT,
451 MASKBYTE2, 0xd3);
452 }
453 dm_digtable.pre_cck_pd_state = dm_digtable.cur_cck_pd_state;
454 }
455
456 RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
457 ("CCKPDStage=%x\n", dm_digtable.cur_cck_pd_state));
458
459 RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
460 ("is92C=%x\n", IS_92C_SERIAL(rtlhal->version)));
461}
462
463static void rtl92c_dm_ctrl_initgain_by_twoport(struct ieee80211_hw *hw)
464{
465 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
466
467 if (mac->act_scanning == true)
468 return;
469
470 if ((mac->link_state > MAC80211_NOLINK) &&
471 (mac->link_state < MAC80211_LINKED))
472 dm_digtable.cursta_connectctate = DIG_STA_BEFORE_CONNECT;
473 else if (mac->link_state >= MAC80211_LINKED)
474 dm_digtable.cursta_connectctate = DIG_STA_CONNECT;
475 else
476 dm_digtable.cursta_connectctate = DIG_STA_DISCONNECT;
477
478 rtl92c_dm_initial_gain_sta(hw);
479 rtl92c_dm_initial_gain_multi_sta(hw);
480 rtl92c_dm_cck_packet_detection_thresh(hw);
481
482 dm_digtable.presta_connectstate = dm_digtable.cursta_connectctate;
483
484}
485
486static void rtl92c_dm_dig(struct ieee80211_hw *hw)
487{
488 struct rtl_priv *rtlpriv = rtl_priv(hw);
489
490 if (rtlpriv->dm.b_dm_initialgain_enable == false)
491 return;
492 if (dm_digtable.dig_enable_flag == false)
493 return;
494
495 rtl92c_dm_ctrl_initgain_by_twoport(hw);
496
497}
498
499static void rtl92c_dm_init_dynamic_txpower(struct ieee80211_hw *hw)
500{
501 struct rtl_priv *rtlpriv = rtl_priv(hw);
502
503 rtlpriv->dm.bdynamic_txpower_enable = false;
504
505 rtlpriv->dm.last_dtp_lvl = TXHIGHPWRLEVEL_NORMAL;
506 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
507}
508
509static void rtl92c_dm_dynamic_txpower(struct ieee80211_hw *hw)
510{
511 struct rtl_priv *rtlpriv = rtl_priv(hw);
512 struct rtl_phy *rtlphy = &(rtlpriv->phy);
513 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
514 long undecorated_smoothed_pwdb;
515
516 if (!rtlpriv->dm.bdynamic_txpower_enable)
517 return;
518
519 if (rtlpriv->dm.dm_flag & HAL_DM_HIPWR_DISABLE) {
520 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
521 return;
522 }
523
524 if ((mac->link_state < MAC80211_LINKED) &&
525 (rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb == 0)) {
526 RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE,
527 ("Not connected to any\n"));
528
529 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
530
531 rtlpriv->dm.last_dtp_lvl = TXHIGHPWRLEVEL_NORMAL;
532 return;
533 }
534
535 if (mac->link_state >= MAC80211_LINKED) {
536 if (mac->opmode == NL80211_IFTYPE_ADHOC) {
537 undecorated_smoothed_pwdb =
538 rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb;
539 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
540 ("AP Client PWDB = 0x%lx\n",
541 undecorated_smoothed_pwdb));
542 } else {
543 undecorated_smoothed_pwdb =
544 rtlpriv->dm.undecorated_smoothed_pwdb;
545 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
546 ("STA Default Port PWDB = 0x%lx\n",
547 undecorated_smoothed_pwdb));
548 }
549 } else {
550 undecorated_smoothed_pwdb =
551 rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb;
552
553 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
554 ("AP Ext Port PWDB = 0x%lx\n",
555 undecorated_smoothed_pwdb));
556 }
557
558 if (undecorated_smoothed_pwdb >= TX_POWER_NEAR_FIELD_THRESH_LVL2) {
559 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1;
560 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
561 ("TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x0)\n"));
562 } else if ((undecorated_smoothed_pwdb <
563 (TX_POWER_NEAR_FIELD_THRESH_LVL2 - 3)) &&
564 (undecorated_smoothed_pwdb >=
565 TX_POWER_NEAR_FIELD_THRESH_LVL1)) {
566
567 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1;
568 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
569 ("TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x10)\n"));
570 } else if (undecorated_smoothed_pwdb <
571 (TX_POWER_NEAR_FIELD_THRESH_LVL1 - 5)) {
572 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
573 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
574 ("TXHIGHPWRLEVEL_NORMAL\n"));
575 }
576
577 if ((rtlpriv->dm.dynamic_txhighpower_lvl != rtlpriv->dm.last_dtp_lvl)) {
578 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
579 ("PHY_SetTxPowerLevel8192S() Channel = %d\n",
580 rtlphy->current_channel));
581 rtl92c_phy_set_txpower_level(hw, rtlphy->current_channel);
582 }
583
584 rtlpriv->dm.last_dtp_lvl = rtlpriv->dm.dynamic_txhighpower_lvl;
585}
586
587void rtl92c_dm_write_dig(struct ieee80211_hw *hw)
588{
589 struct rtl_priv *rtlpriv = rtl_priv(hw);
590
591 RT_TRACE(rtlpriv, COMP_DIG, DBG_LOUD,
592 ("cur_igvalue = 0x%x, "
593 "pre_igvalue = 0x%x, backoff_val = %d\n",
594 dm_digtable.cur_igvalue, dm_digtable.pre_igvalue,
595 dm_digtable.backoff_val));
596
597 if (dm_digtable.pre_igvalue != dm_digtable.cur_igvalue) {
598 rtl_set_bbreg(hw, ROFDM0_XAAGCCORE1, 0x7f,
599 dm_digtable.cur_igvalue);
600 rtl_set_bbreg(hw, ROFDM0_XBAGCCORE1, 0x7f,
601 dm_digtable.cur_igvalue);
602
603 dm_digtable.pre_igvalue = dm_digtable.cur_igvalue;
604 }
605}
606
607static void rtl92c_dm_pwdb_monitor(struct ieee80211_hw *hw)
608{
609 struct rtl_priv *rtlpriv = rtl_priv(hw);
610 long tmpentry_max_pwdb = 0, tmpentry_min_pwdb = 0xff;
611
612 u8 h2c_parameter[3] = { 0 };
613
614 return;
615
616 if (tmpentry_max_pwdb != 0) {
617 rtlpriv->dm.entry_max_undecoratedsmoothed_pwdb =
618 tmpentry_max_pwdb;
619 } else {
620 rtlpriv->dm.entry_max_undecoratedsmoothed_pwdb = 0;
621 }
622
623 if (tmpentry_min_pwdb != 0xff) {
624 rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb =
625 tmpentry_min_pwdb;
626 } else {
627 rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb = 0;
628 }
629
630 h2c_parameter[2] = (u8) (rtlpriv->dm.undecorated_smoothed_pwdb & 0xFF);
631 h2c_parameter[0] = 0;
632
633 rtl92c_fill_h2c_cmd(hw, H2C_RSSI_REPORT, 3, h2c_parameter);
634}
635
636void rtl92c_dm_init_edca_turbo(struct ieee80211_hw *hw)
637{
638 struct rtl_priv *rtlpriv = rtl_priv(hw);
639 rtlpriv->dm.bcurrent_turbo_edca = false;
640 rtlpriv->dm.bis_any_nonbepkts = false;
641 rtlpriv->dm.bis_cur_rdlstate = false;
642}
643
644static void rtl92c_dm_check_edca_turbo(struct ieee80211_hw *hw)
645{
646 struct rtl_priv *rtlpriv = rtl_priv(hw);
647 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
648 static u64 last_txok_cnt;
649 static u64 last_rxok_cnt;
650 u64 cur_txok_cnt;
651 u64 cur_rxok_cnt;
652 u32 edca_be_ul = 0x5ea42b;
653 u32 edca_be_dl = 0x5ea42b;
654
655 if (mac->opmode == NL80211_IFTYPE_ADHOC)
656 goto dm_checkedcaturbo_exit;
657
658 if (mac->link_state != MAC80211_LINKED) {
659 rtlpriv->dm.bcurrent_turbo_edca = false;
660 return;
661 }
662
663 if (!mac->ht_enable) { /*FIX MERGE */
664 if (!(edca_be_ul & 0xffff0000))
665 edca_be_ul |= 0x005e0000;
666
667 if (!(edca_be_dl & 0xffff0000))
668 edca_be_dl |= 0x005e0000;
669 }
670
671 if ((!rtlpriv->dm.bis_any_nonbepkts) &&
672 (!rtlpriv->dm.b_disable_framebursting)) {
673 cur_txok_cnt = rtlpriv->stats.txbytesunicast - last_txok_cnt;
674 cur_rxok_cnt = rtlpriv->stats.rxbytesunicast - last_rxok_cnt;
675 if (cur_rxok_cnt > 4 * cur_txok_cnt) {
676 if (!rtlpriv->dm.bis_cur_rdlstate ||
677 !rtlpriv->dm.bcurrent_turbo_edca) {
678 rtl_write_dword(rtlpriv,
679 REG_EDCA_BE_PARAM,
680 edca_be_dl);
681 rtlpriv->dm.bis_cur_rdlstate = true;
682 }
683 } else {
684 if (rtlpriv->dm.bis_cur_rdlstate ||
685 !rtlpriv->dm.bcurrent_turbo_edca) {
686 rtl_write_dword(rtlpriv,
687 REG_EDCA_BE_PARAM,
688 edca_be_ul);
689 rtlpriv->dm.bis_cur_rdlstate = false;
690 }
691 }
692 rtlpriv->dm.bcurrent_turbo_edca = true;
693 } else {
694 if (rtlpriv->dm.bcurrent_turbo_edca) {
695 u8 tmp = AC0_BE;
696 rtlpriv->cfg->ops->set_hw_reg(hw,
697 HW_VAR_AC_PARAM,
698 (u8 *) (&tmp));
699 rtlpriv->dm.bcurrent_turbo_edca = false;
700 }
701 }
702
703dm_checkedcaturbo_exit:
704 rtlpriv->dm.bis_any_nonbepkts = false;
705 last_txok_cnt = rtlpriv->stats.txbytesunicast;
706 last_rxok_cnt = rtlpriv->stats.rxbytesunicast;
707}
708
709static void rtl92c_dm_txpower_tracking_callback_thermalmeter(struct ieee80211_hw
710 *hw)
711{
712 struct rtl_priv *rtlpriv = rtl_priv(hw);
713 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
714 struct rtl_phy *rtlphy = &(rtlpriv->phy);
715 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
716 u8 thermalvalue, delta, delta_lck, delta_iqk;
717 long ele_a, ele_d, temp_cck, val_x, value32;
718 long val_y, ele_c;
719 u8 ofdm_index[2], cck_index, ofdm_index_old[2], cck_index_old;
720 int i;
721 bool is2t = IS_92C_SERIAL(rtlhal->version);
722 u8 txpwr_level[2] = {0, 0};
723 u8 ofdm_min_index = 6, rf;
724
725 rtlpriv->dm.btxpower_trackingInit = true;
726 RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
727 ("rtl92c_dm_txpower_tracking_callback_thermalmeter\n"));
728
729 thermalvalue = (u8) rtl_get_rfreg(hw, RF90_PATH_A, RF_T_METER, 0x1f);
730
731 RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
732 ("Readback Thermal Meter = 0x%x pre thermal meter 0x%x "
733 "eeprom_thermalmeter 0x%x\n",
734 thermalvalue, rtlpriv->dm.thermalvalue,
735 rtlefuse->eeprom_thermalmeter));
736
737 rtl92c_phy_ap_calibrate(hw, (thermalvalue -
738 rtlefuse->eeprom_thermalmeter));
739 if (is2t)
740 rf = 2;
741 else
742 rf = 1;
743
744 if (thermalvalue) {
745 ele_d = rtl_get_bbreg(hw, ROFDM0_XATXIQIMBALANCE,
746 MASKDWORD) & MASKOFDM_D;
747
748 for (i = 0; i < OFDM_TABLE_LENGTH; i++) {
749 if (ele_d == (ofdmswing_table[i] & MASKOFDM_D)) {
750 ofdm_index_old[0] = (u8) i;
751
752 RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
753 ("Initial pathA ele_d reg0x%x = 0x%lx, "
754 "ofdm_index=0x%x\n",
755 ROFDM0_XATXIQIMBALANCE,
756 ele_d, ofdm_index_old[0]));
757 break;
758 }
759 }
760
761 if (is2t) {
762 ele_d = rtl_get_bbreg(hw, ROFDM0_XBTXIQIMBALANCE,
763 MASKDWORD) & MASKOFDM_D;
764
765 for (i = 0; i < OFDM_TABLE_LENGTH; i++) {
766 if (ele_d == (ofdmswing_table[i] & MASKOFDM_D)) {
767 ofdm_index_old[1] = (u8) i;
768
769 RT_TRACE(rtlpriv, COMP_POWER_TRACKING,
770 DBG_LOUD,
771 ("Initial pathB ele_d reg0x%x = "
772 "0x%lx, ofdm_index=0x%x\n",
773 ROFDM0_XBTXIQIMBALANCE, ele_d,
774 ofdm_index_old[1]));
775 break;
776 }
777 }
778 }
779
780 temp_cck =
781 rtl_get_bbreg(hw, RCCK0_TXFILTER2, MASKDWORD) & MASKCCK;
782
783 for (i = 0; i < CCK_TABLE_LENGTH; i++) {
784 if (rtlpriv->dm.b_cck_inch14) {
785 if (memcmp((void *)&temp_cck,
786 (void *)&cckswing_table_ch14[i][2],
787 4) == 0) {
788 cck_index_old = (u8) i;
789
790 RT_TRACE(rtlpriv, COMP_POWER_TRACKING,
791 DBG_LOUD,
792 ("Initial reg0x%x = 0x%lx, "
793 "cck_index=0x%x, ch 14 %d\n",
794 RCCK0_TXFILTER2, temp_cck,
795 cck_index_old,
796 rtlpriv->dm.b_cck_inch14));
797 break;
798 }
799 } else {
800 if (memcmp((void *)&temp_cck,
801 (void *)
802 &cckswing_table_ch1ch13[i][2],
803 4) == 0) {
804 cck_index_old = (u8) i;
805
806 RT_TRACE(rtlpriv, COMP_POWER_TRACKING,
807 DBG_LOUD,
808 ("Initial reg0x%x = 0x%lx, "
809 "cck_index=0x%x, ch14 %d\n",
810 RCCK0_TXFILTER2, temp_cck,
811 cck_index_old,
812 rtlpriv->dm.b_cck_inch14));
813 break;
814 }
815 }
816 }
817
818 if (!rtlpriv->dm.thermalvalue) {
819 rtlpriv->dm.thermalvalue =
820 rtlefuse->eeprom_thermalmeter;
821 rtlpriv->dm.thermalvalue_lck = thermalvalue;
822 rtlpriv->dm.thermalvalue_iqk = thermalvalue;
823 for (i = 0; i < rf; i++)
824 rtlpriv->dm.ofdm_index[i] = ofdm_index_old[i];
825 rtlpriv->dm.cck_index = cck_index_old;
826 }
827
828 delta = (thermalvalue > rtlpriv->dm.thermalvalue) ?
829 (thermalvalue - rtlpriv->dm.thermalvalue) :
830 (rtlpriv->dm.thermalvalue - thermalvalue);
831
832 delta_lck = (thermalvalue > rtlpriv->dm.thermalvalue_lck) ?
833 (thermalvalue - rtlpriv->dm.thermalvalue_lck) :
834 (rtlpriv->dm.thermalvalue_lck - thermalvalue);
835
836 delta_iqk = (thermalvalue > rtlpriv->dm.thermalvalue_iqk) ?
837 (thermalvalue - rtlpriv->dm.thermalvalue_iqk) :
838 (rtlpriv->dm.thermalvalue_iqk - thermalvalue);
839
840 RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
841 ("Readback Thermal Meter = 0x%x pre thermal meter 0x%x "
842 "eeprom_thermalmeter 0x%x delta 0x%x "
843 "delta_lck 0x%x delta_iqk 0x%x\n",
844 thermalvalue, rtlpriv->dm.thermalvalue,
845 rtlefuse->eeprom_thermalmeter, delta, delta_lck,
846 delta_iqk));
847
848 if (delta_lck > 1) {
849 rtlpriv->dm.thermalvalue_lck = thermalvalue;
850 rtl92c_phy_lc_calibrate(hw);
851 }
852
853 if (delta > 0 && rtlpriv->dm.txpower_track_control) {
854 if (thermalvalue > rtlpriv->dm.thermalvalue) {
855 for (i = 0; i < rf; i++)
856 rtlpriv->dm.ofdm_index[i] -= delta;
857 rtlpriv->dm.cck_index -= delta;
858 } else {
859 for (i = 0; i < rf; i++)
860 rtlpriv->dm.ofdm_index[i] += delta;
861 rtlpriv->dm.cck_index += delta;
862 }
863
864 if (is2t) {
865 RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
866 ("temp OFDM_A_index=0x%x, "
867 "OFDM_B_index=0x%x,"
868 "cck_index=0x%x\n",
869 rtlpriv->dm.ofdm_index[0],
870 rtlpriv->dm.ofdm_index[1],
871 rtlpriv->dm.cck_index));
872 } else {
873 RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
874 ("temp OFDM_A_index=0x%x,"
875 "cck_index=0x%x\n",
876 rtlpriv->dm.ofdm_index[0],
877 rtlpriv->dm.cck_index));
878 }
879
880 if (thermalvalue > rtlefuse->eeprom_thermalmeter) {
881 for (i = 0; i < rf; i++)
882 ofdm_index[i] =
883 rtlpriv->dm.ofdm_index[i]
884 + 1;
885 cck_index = rtlpriv->dm.cck_index + 1;
886 } else {
887 for (i = 0; i < rf; i++)
888 ofdm_index[i] =
889 rtlpriv->dm.ofdm_index[i];
890 cck_index = rtlpriv->dm.cck_index;
891 }
892
893 for (i = 0; i < rf; i++) {
894 if (txpwr_level[i] >= 0 &&
895 txpwr_level[i] <= 26) {
896 if (thermalvalue >
897 rtlefuse->eeprom_thermalmeter) {
898 if (delta < 5)
899 ofdm_index[i] -= 1;
900
901 else
902 ofdm_index[i] -= 2;
903 } else if (delta > 5 && thermalvalue <
904 rtlefuse->
905 eeprom_thermalmeter) {
906 ofdm_index[i] += 1;
907 }
908 } else if (txpwr_level[i] >= 27 &&
909 txpwr_level[i] <= 32
910 && thermalvalue >
911 rtlefuse->eeprom_thermalmeter) {
912 if (delta < 5)
913 ofdm_index[i] -= 1;
914
915 else
916 ofdm_index[i] -= 2;
917 } else if (txpwr_level[i] >= 32 &&
918 txpwr_level[i] <= 38 &&
919 thermalvalue >
920 rtlefuse->eeprom_thermalmeter
921 && delta > 5) {
922 ofdm_index[i] -= 1;
923 }
924 }
925
926 if (txpwr_level[i] >= 0 && txpwr_level[i] <= 26) {
927 if (thermalvalue >
928 rtlefuse->eeprom_thermalmeter) {
929 if (delta < 5)
930 cck_index -= 1;
931
932 else
933 cck_index -= 2;
934 } else if (delta > 5 && thermalvalue <
935 rtlefuse->eeprom_thermalmeter) {
936 cck_index += 1;
937 }
938 } else if (txpwr_level[i] >= 27 &&
939 txpwr_level[i] <= 32 &&
940 thermalvalue >
941 rtlefuse->eeprom_thermalmeter) {
942 if (delta < 5)
943 cck_index -= 1;
944
945 else
946 cck_index -= 2;
947 } else if (txpwr_level[i] >= 32 &&
948 txpwr_level[i] <= 38 &&
949 thermalvalue > rtlefuse->eeprom_thermalmeter
950 && delta > 5) {
951 cck_index -= 1;
952 }
953
954 for (i = 0; i < rf; i++) {
955 if (ofdm_index[i] > OFDM_TABLE_SIZE - 1)
956 ofdm_index[i] = OFDM_TABLE_SIZE - 1;
957
958 else if (ofdm_index[i] < ofdm_min_index)
959 ofdm_index[i] = ofdm_min_index;
960 }
961
962 if (cck_index > CCK_TABLE_SIZE - 1)
963 cck_index = CCK_TABLE_SIZE - 1;
964 else if (cck_index < 0)
965 cck_index = 0;
966
967 if (is2t) {
968 RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
969 ("new OFDM_A_index=0x%x, "
970 "OFDM_B_index=0x%x,"
971 "cck_index=0x%x\n",
972 ofdm_index[0], ofdm_index[1],
973 cck_index));
974 } else {
975 RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
976 ("new OFDM_A_index=0x%x,"
977 "cck_index=0x%x\n",
978 ofdm_index[0], cck_index));
979 }
980 }
981
982 if (rtlpriv->dm.txpower_track_control && delta != 0) {
983 ele_d =
984 (ofdmswing_table[ofdm_index[0]] & 0xFFC00000) >> 22;
985 val_x = rtlphy->reg_e94;
986 val_y = rtlphy->reg_e9c;
987
988 if (val_x != 0) {
989 if ((val_x & 0x00000200) != 0)
990 val_x = val_x | 0xFFFFFC00;
991 ele_a = ((val_x * ele_d) >> 8) & 0x000003FF;
992
993 if ((val_y & 0x00000200) != 0)
994 val_y = val_y | 0xFFFFFC00;
995 ele_c = ((val_y * ele_d) >> 8) & 0x000003FF;
996
997 value32 = (ele_d << 22) |
998 ((ele_c & 0x3F) << 16) | ele_a;
999
1000 rtl_set_bbreg(hw, ROFDM0_XATXIQIMBALANCE,
1001 MASKDWORD, value32);
1002
1003 value32 = (ele_c & 0x000003C0) >> 6;
1004 rtl_set_bbreg(hw, ROFDM0_XCTXAFE, MASKH4BITS,
1005 value32);
1006
1007 value32 = ((val_x * ele_d) >> 7) & 0x01;
1008 rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
1009 BIT(31), value32);
1010
1011 value32 = ((val_y * ele_d) >> 7) & 0x01;
1012 rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
1013 BIT(29), value32);
1014 } else {
1015 rtl_set_bbreg(hw, ROFDM0_XATXIQIMBALANCE,
1016 MASKDWORD,
1017 ofdmswing_table[ofdm_index[0]]);
1018
1019 rtl_set_bbreg(hw, ROFDM0_XCTXAFE, MASKH4BITS,
1020 0x00);
1021 rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
1022 BIT(31) | BIT(29), 0x00);
1023 }
1024
1025 if (!rtlpriv->dm.b_cck_inch14) {
1026 rtl_write_byte(rtlpriv, 0xa22,
1027 cckswing_table_ch1ch13[cck_index]
1028 [0]);
1029 rtl_write_byte(rtlpriv, 0xa23,
1030 cckswing_table_ch1ch13[cck_index]
1031 [1]);
1032 rtl_write_byte(rtlpriv, 0xa24,
1033 cckswing_table_ch1ch13[cck_index]
1034 [2]);
1035 rtl_write_byte(rtlpriv, 0xa25,
1036 cckswing_table_ch1ch13[cck_index]
1037 [3]);
1038 rtl_write_byte(rtlpriv, 0xa26,
1039 cckswing_table_ch1ch13[cck_index]
1040 [4]);
1041 rtl_write_byte(rtlpriv, 0xa27,
1042 cckswing_table_ch1ch13[cck_index]
1043 [5]);
1044 rtl_write_byte(rtlpriv, 0xa28,
1045 cckswing_table_ch1ch13[cck_index]
1046 [6]);
1047 rtl_write_byte(rtlpriv, 0xa29,
1048 cckswing_table_ch1ch13[cck_index]
1049 [7]);
1050 } else {
1051 rtl_write_byte(rtlpriv, 0xa22,
1052 cckswing_table_ch14[cck_index]
1053 [0]);
1054 rtl_write_byte(rtlpriv, 0xa23,
1055 cckswing_table_ch14[cck_index]
1056 [1]);
1057 rtl_write_byte(rtlpriv, 0xa24,
1058 cckswing_table_ch14[cck_index]
1059 [2]);
1060 rtl_write_byte(rtlpriv, 0xa25,
1061 cckswing_table_ch14[cck_index]
1062 [3]);
1063 rtl_write_byte(rtlpriv, 0xa26,
1064 cckswing_table_ch14[cck_index]
1065 [4]);
1066 rtl_write_byte(rtlpriv, 0xa27,
1067 cckswing_table_ch14[cck_index]
1068 [5]);
1069 rtl_write_byte(rtlpriv, 0xa28,
1070 cckswing_table_ch14[cck_index]
1071 [6]);
1072 rtl_write_byte(rtlpriv, 0xa29,
1073 cckswing_table_ch14[cck_index]
1074 [7]);
1075 }
1076
1077 if (is2t) {
1078 ele_d = (ofdmswing_table[ofdm_index[1]] &
1079 0xFFC00000) >> 22;
1080
1081 val_x = rtlphy->reg_eb4;
1082 val_y = rtlphy->reg_ebc;
1083
1084 if (val_x != 0) {
1085 if ((val_x & 0x00000200) != 0)
1086 val_x = val_x | 0xFFFFFC00;
1087 ele_a = ((val_x * ele_d) >> 8) &
1088 0x000003FF;
1089
1090 if ((val_y & 0x00000200) != 0)
1091 val_y = val_y | 0xFFFFFC00;
1092 ele_c = ((val_y * ele_d) >> 8) &
1093 0x00003FF;
1094
1095 value32 = (ele_d << 22) |
1096 ((ele_c & 0x3F) << 16) | ele_a;
1097 rtl_set_bbreg(hw,
1098 ROFDM0_XBTXIQIMBALANCE,
1099 MASKDWORD, value32);
1100
1101 value32 = (ele_c & 0x000003C0) >> 6;
1102 rtl_set_bbreg(hw, ROFDM0_XDTXAFE,
1103 MASKH4BITS, value32);
1104
1105 value32 = ((val_x * ele_d) >> 7) & 0x01;
1106 rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
1107 BIT(27), value32);
1108
1109 value32 = ((val_y * ele_d) >> 7) & 0x01;
1110 rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
1111 BIT(25), value32);
1112 } else {
1113 rtl_set_bbreg(hw,
1114 ROFDM0_XBTXIQIMBALANCE,
1115 MASKDWORD,
1116 ofdmswing_table[ofdm_index
1117 [1]]);
1118 rtl_set_bbreg(hw, ROFDM0_XDTXAFE,
1119 MASKH4BITS, 0x00);
1120 rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
1121 BIT(27) | BIT(25), 0x00);
1122 }
1123
1124 }
1125 }
1126
1127 if (delta_iqk > 3) {
1128 rtlpriv->dm.thermalvalue_iqk = thermalvalue;
1129 rtl92c_phy_iq_calibrate(hw, false);
1130 }
1131
1132 if (rtlpriv->dm.txpower_track_control)
1133 rtlpriv->dm.thermalvalue = thermalvalue;
1134 }
1135
1136 RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, ("<===\n"));
1137
1138}
1139
1140static void rtl92c_dm_initialize_txpower_tracking_thermalmeter(
1141 struct ieee80211_hw *hw)
1142{
1143 struct rtl_priv *rtlpriv = rtl_priv(hw);
1144
1145 rtlpriv->dm.btxpower_tracking = true;
1146 rtlpriv->dm.btxpower_trackingInit = false;
1147
1148 RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
1149 ("pMgntInfo->btxpower_tracking = %d\n",
1150 rtlpriv->dm.btxpower_tracking));
1151}
1152
1153static void rtl92c_dm_initialize_txpower_tracking(struct ieee80211_hw *hw)
1154{
1155 rtl92c_dm_initialize_txpower_tracking_thermalmeter(hw);
1156}
1157
1158static void rtl92c_dm_txpower_tracking_directcall(struct ieee80211_hw *hw)
1159{
1160 rtl92c_dm_txpower_tracking_callback_thermalmeter(hw);
1161}
1162
1163static void rtl92c_dm_check_txpower_tracking_thermal_meter(
1164 struct ieee80211_hw *hw)
1165{
1166 struct rtl_priv *rtlpriv = rtl_priv(hw);
1167 static u8 tm_trigger;
1168
1169 if (!rtlpriv->dm.btxpower_tracking)
1170 return;
1171
1172 if (!tm_trigger) {
1173 rtl_set_rfreg(hw, RF90_PATH_A, RF_T_METER, RFREG_OFFSET_MASK,
1174 0x60);
1175 RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
1176 ("Trigger 92S Thermal Meter!!\n"));
1177 tm_trigger = 1;
1178 return;
1179 } else {
1180 RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
1181 ("Schedule TxPowerTracking direct call!!\n"));
1182 rtl92c_dm_txpower_tracking_directcall(hw);
1183 tm_trigger = 0;
1184 }
1185}
1186
1187void rtl92c_dm_check_txpower_tracking(struct ieee80211_hw *hw)
1188{
1189 rtl92c_dm_check_txpower_tracking_thermal_meter(hw);
1190}
1191
1192void rtl92c_dm_init_rate_adaptive_mask(struct ieee80211_hw *hw)
1193{
1194 struct rtl_priv *rtlpriv = rtl_priv(hw);
1195 struct rate_adaptive *p_ra = &(rtlpriv->ra);
1196
1197 p_ra->ratr_state = DM_RATR_STA_INIT;
1198 p_ra->pre_ratr_state = DM_RATR_STA_INIT;
1199
1200 if (rtlpriv->dm.dm_type == DM_TYPE_BYDRIVER)
1201 rtlpriv->dm.b_useramask = true;
1202 else
1203 rtlpriv->dm.b_useramask = false;
1204
1205}
1206
1207static void rtl92c_dm_refresh_rate_adaptive_mask(struct ieee80211_hw *hw)
1208{
1209 struct rtl_priv *rtlpriv = rtl_priv(hw);
1210 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
1211 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1212 struct rate_adaptive *p_ra = &(rtlpriv->ra);
1213 u32 low_rssithresh_for_ra, high_rssithresh_for_ra;
1214
1215 if (is_hal_stop(rtlhal)) {
1216 RT_TRACE(rtlpriv, COMP_RATE, DBG_LOUD,
1217 ("<---- driver is going to unload\n"));
1218 return;
1219 }
1220
1221 if (!rtlpriv->dm.b_useramask) {
1222 RT_TRACE(rtlpriv, COMP_RATE, DBG_LOUD,
1223 ("<---- driver does not control rate adaptive mask\n"));
1224 return;
1225 }
1226
1227 if (mac->link_state == MAC80211_LINKED) {
1228
1229 switch (p_ra->pre_ratr_state) {
1230 case DM_RATR_STA_HIGH:
1231 high_rssithresh_for_ra = 50;
1232 low_rssithresh_for_ra = 20;
1233 break;
1234 case DM_RATR_STA_MIDDLE:
1235 high_rssithresh_for_ra = 55;
1236 low_rssithresh_for_ra = 20;
1237 break;
1238 case DM_RATR_STA_LOW:
1239 high_rssithresh_for_ra = 50;
1240 low_rssithresh_for_ra = 25;
1241 break;
1242 default:
1243 high_rssithresh_for_ra = 50;
1244 low_rssithresh_for_ra = 20;
1245 break;
1246 }
1247
1248 if (rtlpriv->dm.undecorated_smoothed_pwdb >
1249 (long)high_rssithresh_for_ra)
1250 p_ra->ratr_state = DM_RATR_STA_HIGH;
1251 else if (rtlpriv->dm.undecorated_smoothed_pwdb >
1252 (long)low_rssithresh_for_ra)
1253 p_ra->ratr_state = DM_RATR_STA_MIDDLE;
1254 else
1255 p_ra->ratr_state = DM_RATR_STA_LOW;
1256
1257 if (p_ra->pre_ratr_state != p_ra->ratr_state) {
1258 RT_TRACE(rtlpriv, COMP_RATE, DBG_LOUD,
1259 ("RSSI = %ld\n",
1260 rtlpriv->dm.undecorated_smoothed_pwdb));
1261 RT_TRACE(rtlpriv, COMP_RATE, DBG_LOUD,
1262 ("RSSI_LEVEL = %d\n", p_ra->ratr_state));
1263 RT_TRACE(rtlpriv, COMP_RATE, DBG_LOUD,
1264 ("PreState = %d, CurState = %d\n",
1265 p_ra->pre_ratr_state, p_ra->ratr_state));
1266
1267 rtlpriv->cfg->ops->update_rate_mask(hw,
1268 p_ra->ratr_state);
1269
1270 p_ra->pre_ratr_state = p_ra->ratr_state;
1271 }
1272 }
1273}
1274
1275static void rtl92c_dm_init_dynamic_bb_powersaving(struct ieee80211_hw *hw)
1276{
1277 dm_pstable.pre_ccastate = CCA_MAX;
1278 dm_pstable.cur_ccasate = CCA_MAX;
1279 dm_pstable.pre_rfstate = RF_MAX;
1280 dm_pstable.cur_rfstate = RF_MAX;
1281 dm_pstable.rssi_val_min = 0;
1282}
1283
1284static void rtl92c_dm_1r_cca(struct ieee80211_hw *hw)
1285{
1286 struct rtl_priv *rtlpriv = rtl_priv(hw);
1287 struct rtl_phy *rtlphy = &(rtlpriv->phy);
1288
1289 if (dm_pstable.rssi_val_min != 0) {
1290 if (dm_pstable.pre_ccastate == CCA_2R) {
1291 if (dm_pstable.rssi_val_min >= 35)
1292 dm_pstable.cur_ccasate = CCA_1R;
1293 else
1294 dm_pstable.cur_ccasate = CCA_2R;
1295 } else {
1296 if (dm_pstable.rssi_val_min <= 30)
1297 dm_pstable.cur_ccasate = CCA_2R;
1298 else
1299 dm_pstable.cur_ccasate = CCA_1R;
1300 }
1301 } else {
1302 dm_pstable.cur_ccasate = CCA_MAX;
1303 }
1304
1305 if (dm_pstable.pre_ccastate != dm_pstable.cur_ccasate) {
1306 if (dm_pstable.cur_ccasate == CCA_1R) {
1307 if (get_rf_type(rtlphy) == RF_2T2R) {
1308 rtl_set_bbreg(hw, ROFDM0_TRXPATHENABLE,
1309 MASKBYTE0, 0x13);
1310 rtl_set_bbreg(hw, 0xe70, MASKBYTE3, 0x20);
1311 } else {
1312 rtl_set_bbreg(hw, ROFDM0_TRXPATHENABLE,
1313 MASKBYTE0, 0x23);
1314 rtl_set_bbreg(hw, 0xe70, 0x7fc00000, 0x10c);
1315 }
1316 } else {
1317 rtl_set_bbreg(hw, ROFDM0_TRXPATHENABLE, MASKBYTE0,
1318 0x33);
1319 rtl_set_bbreg(hw, 0xe70, MASKBYTE3, 0x63);
1320 }
1321 dm_pstable.pre_ccastate = dm_pstable.cur_ccasate;
1322 }
1323
1324 RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD, ("CCAStage = %s\n",
1325 (dm_pstable.cur_ccasate ==
1326 0) ? "1RCCA" : "2RCCA"));
1327}
1328
1329void rtl92c_dm_rf_saving(struct ieee80211_hw *hw, u8 bforce_in_normal)
1330{
1331 static u8 initialize;
1332 static u32 reg_874, reg_c70, reg_85c, reg_a74;
1333
1334 if (initialize == 0) {
1335 reg_874 = (rtl_get_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
1336 MASKDWORD) & 0x1CC000) >> 14;
1337
1338 reg_c70 = (rtl_get_bbreg(hw, ROFDM0_AGCPARAMETER1,
1339 MASKDWORD) & BIT(3)) >> 3;
1340
1341 reg_85c = (rtl_get_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL,
1342 MASKDWORD) & 0xFF000000) >> 24;
1343
1344 reg_a74 = (rtl_get_bbreg(hw, 0xa74, MASKDWORD) & 0xF000) >> 12;
1345
1346 initialize = 1;
1347 }
1348
1349 if (!bforce_in_normal) {
1350 if (dm_pstable.rssi_val_min != 0) {
1351 if (dm_pstable.pre_rfstate == RF_NORMAL) {
1352 if (dm_pstable.rssi_val_min >= 30)
1353 dm_pstable.cur_rfstate = RF_SAVE;
1354 else
1355 dm_pstable.cur_rfstate = RF_NORMAL;
1356 } else {
1357 if (dm_pstable.rssi_val_min <= 25)
1358 dm_pstable.cur_rfstate = RF_NORMAL;
1359 else
1360 dm_pstable.cur_rfstate = RF_SAVE;
1361 }
1362 } else {
1363 dm_pstable.cur_rfstate = RF_MAX;
1364 }
1365 } else {
1366 dm_pstable.cur_rfstate = RF_NORMAL;
1367 }
1368
1369 if (dm_pstable.pre_rfstate != dm_pstable.cur_rfstate) {
1370 if (dm_pstable.cur_rfstate == RF_SAVE) {
1371 rtl_set_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
1372 0x1C0000, 0x2);
1373 rtl_set_bbreg(hw, ROFDM0_AGCPARAMETER1, BIT(3), 0);
1374 rtl_set_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL,
1375 0xFF000000, 0x63);
1376 rtl_set_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
1377 0xC000, 0x2);
1378 rtl_set_bbreg(hw, 0xa74, 0xF000, 0x3);
1379 rtl_set_bbreg(hw, 0x818, BIT(28), 0x0);
1380 rtl_set_bbreg(hw, 0x818, BIT(28), 0x1);
1381 } else {
1382 rtl_set_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
1383 0x1CC000, reg_874);
1384 rtl_set_bbreg(hw, ROFDM0_AGCPARAMETER1, BIT(3),
1385 reg_c70);
1386 rtl_set_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL, 0xFF000000,
1387 reg_85c);
1388 rtl_set_bbreg(hw, 0xa74, 0xF000, reg_a74);
1389 rtl_set_bbreg(hw, 0x818, BIT(28), 0x0);
1390 }
1391
1392 dm_pstable.pre_rfstate = dm_pstable.cur_rfstate;
1393 }
1394}
1395
1396static void rtl92c_dm_dynamic_bb_powersaving(struct ieee80211_hw *hw)
1397{
1398 struct rtl_priv *rtlpriv = rtl_priv(hw);
1399 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1400 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
1401
1402 if (((mac->link_state == MAC80211_NOLINK)) &&
1403 (rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb == 0)) {
1404 dm_pstable.rssi_val_min = 0;
1405 RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD,
1406 ("Not connected to any\n"));
1407 }
1408
1409 if (mac->link_state == MAC80211_LINKED) {
1410 if (mac->opmode == NL80211_IFTYPE_ADHOC) {
1411 dm_pstable.rssi_val_min =
1412 rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb;
1413 RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD,
1414 ("AP Client PWDB = 0x%lx\n",
1415 dm_pstable.rssi_val_min));
1416 } else {
1417 dm_pstable.rssi_val_min =
1418 rtlpriv->dm.undecorated_smoothed_pwdb;
1419 RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD,
1420 ("STA Default Port PWDB = 0x%lx\n",
1421 dm_pstable.rssi_val_min));
1422 }
1423 } else {
1424 dm_pstable.rssi_val_min =
1425 rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb;
1426
1427 RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD,
1428 ("AP Ext Port PWDB = 0x%lx\n",
1429 dm_pstable.rssi_val_min));
1430 }
1431
1432 if (IS_92C_SERIAL(rtlhal->version))
1433 rtl92c_dm_1r_cca(hw);
1434}
1435
1436void rtl92c_dm_init(struct ieee80211_hw *hw)
1437{
1438 struct rtl_priv *rtlpriv = rtl_priv(hw);
1439
1440 rtlpriv->dm.dm_type = DM_TYPE_BYDRIVER;
1441 rtl92c_dm_diginit(hw);
1442 rtl92c_dm_init_dynamic_txpower(hw);
1443 rtl92c_dm_init_edca_turbo(hw);
1444 rtl92c_dm_init_rate_adaptive_mask(hw);
1445 rtl92c_dm_initialize_txpower_tracking(hw);
1446 rtl92c_dm_init_dynamic_bb_powersaving(hw);
1447}
1448
1449void rtl92c_dm_watchdog(struct ieee80211_hw *hw)
1450{
1451 struct rtl_priv *rtlpriv = rtl_priv(hw);
1452 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
1453 bool b_fw_current_inpsmode = false;
1454 bool b_fw_ps_awake = true;
1455
1456 rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_FW_PSMODE_STATUS,
1457 (u8 *) (&b_fw_current_inpsmode));
1458 rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_FWLPS_RF_ON,
1459 (u8 *) (&b_fw_ps_awake));
1460
1461 if ((ppsc->rfpwr_state == ERFON) && ((!b_fw_current_inpsmode) &&
1462 b_fw_ps_awake)
1463 && (!ppsc->rfchange_inprogress)) {
1464 rtl92c_dm_pwdb_monitor(hw);
1465 rtl92c_dm_dig(hw);
1466 rtl92c_dm_false_alarm_counter_statistics(hw);
1467 rtl92c_dm_dynamic_bb_powersaving(hw);
1468 rtl92c_dm_dynamic_txpower(hw);
1469 rtl92c_dm_check_txpower_tracking(hw);
1470 rtl92c_dm_refresh_rate_adaptive_mask(hw);
1471 rtl92c_dm_check_edca_turbo(hw);
1472 }
1473}