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rtlwifi: Make changes in rtlwifi/rtl8192ce/def.h to support rtl8192cu
[deliverable/linux.git] / drivers / net / wireless / rtlwifi / rtl8192c / dm_common.c
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LF		 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
30struct dig_t dm_digtable;
31static struct ps_t dm_pstable;
32
33static const u32 ofdmswing_table[OFDM_TABLE_SIZE] = {
34 0x7f8001fe,
35 0x788001e2,
36 0x71c001c7,
37 0x6b8001ae,
38 0x65400195,
39 0x5fc0017f,
40 0x5a400169,
41 0x55400155,
42 0x50800142,
43 0x4c000130,
44 0x47c0011f,
45 0x43c0010f,
46 0x40000100,
47 0x3c8000f2,
48 0x390000e4,
49 0x35c000d7,
50 0x32c000cb,
51 0x300000c0,
52 0x2d4000b5,
53 0x2ac000ab,
54 0x288000a2,
55 0x26000098,
56 0x24000090,
57 0x22000088,
58 0x20000080,
59 0x1e400079,
60 0x1c800072,
61 0x1b00006c,
62 0x19800066,
63 0x18000060,
64 0x16c0005b,
65 0x15800056,
66 0x14400051,
67 0x1300004c,
68 0x12000048,
69 0x11000044,
70 0x10000040,
71};
72
73static const u8 cckswing_table_ch1ch13[CCK_TABLE_SIZE][8] = {
74 {0x36, 0x35, 0x2e, 0x25, 0x1c, 0x12, 0x09, 0x04},
75 {0x33, 0x32, 0x2b, 0x23, 0x1a, 0x11, 0x08, 0x04},
76 {0x30, 0x2f, 0x29, 0x21, 0x19, 0x10, 0x08, 0x03},
77 {0x2d, 0x2d, 0x27, 0x1f, 0x18, 0x0f, 0x08, 0x03},
78 {0x2b, 0x2a, 0x25, 0x1e, 0x16, 0x0e, 0x07, 0x03},
79 {0x28, 0x28, 0x22, 0x1c, 0x15, 0x0d, 0x07, 0x03},
80 {0x26, 0x25, 0x21, 0x1b, 0x14, 0x0d, 0x06, 0x03},
81 {0x24, 0x23, 0x1f, 0x19, 0x13, 0x0c, 0x06, 0x03},
82 {0x22, 0x21, 0x1d, 0x18, 0x11, 0x0b, 0x06, 0x02},
83 {0x20, 0x20, 0x1b, 0x16, 0x11, 0x08, 0x05, 0x02},
84 {0x1f, 0x1e, 0x1a, 0x15, 0x10, 0x0a, 0x05, 0x02},
85 {0x1d, 0x1c, 0x18, 0x14, 0x0f, 0x0a, 0x05, 0x02},
86 {0x1b, 0x1a, 0x17, 0x13, 0x0e, 0x09, 0x04, 0x02},
87 {0x1a, 0x19, 0x16, 0x12, 0x0d, 0x09, 0x04, 0x02},
88 {0x18, 0x17, 0x15, 0x11, 0x0c, 0x08, 0x04, 0x02},
89 {0x17, 0x16, 0x13, 0x10, 0x0c, 0x08, 0x04, 0x02},
90 {0x16, 0x15, 0x12, 0x0f, 0x0b, 0x07, 0x04, 0x01},
91 {0x14, 0x14, 0x11, 0x0e, 0x0b, 0x07, 0x03, 0x02},
92 {0x13, 0x13, 0x10, 0x0d, 0x0a, 0x06, 0x03, 0x01},
93 {0x12, 0x12, 0x0f, 0x0c, 0x09, 0x06, 0x03, 0x01},
94 {0x11, 0x11, 0x0f, 0x0c, 0x09, 0x06, 0x03, 0x01},
95 {0x10, 0x10, 0x0e, 0x0b, 0x08, 0x05, 0x03, 0x01},
96 {0x0f, 0x0f, 0x0d, 0x0b, 0x08, 0x05, 0x03, 0x01},
97 {0x0e, 0x0e, 0x0c, 0x0a, 0x08, 0x05, 0x02, 0x01},
98 {0x0d, 0x0d, 0x0c, 0x0a, 0x07, 0x05, 0x02, 0x01},
99 {0x0d, 0x0c, 0x0b, 0x09, 0x07, 0x04, 0x02, 0x01},
100 {0x0c, 0x0c, 0x0a, 0x09, 0x06, 0x04, 0x02, 0x01},
101 {0x0b, 0x0b, 0x0a, 0x08, 0x06, 0x04, 0x02, 0x01},
102 {0x0b, 0x0a, 0x09, 0x08, 0x06, 0x04, 0x02, 0x01},
103 {0x0a, 0x0a, 0x09, 0x07, 0x05, 0x03, 0x02, 0x01},
104 {0x0a, 0x09, 0x08, 0x07, 0x05, 0x03, 0x02, 0x01},
105 {0x09, 0x09, 0x08, 0x06, 0x05, 0x03, 0x01, 0x01},
106 {0x09, 0x08, 0x07, 0x06, 0x04, 0x03, 0x01, 0x01}
107};
108
109static const u8 cckswing_table_ch14[CCK_TABLE_SIZE][8] = {
110 {0x36, 0x35, 0x2e, 0x1b, 0x00, 0x00, 0x00, 0x00},
111 {0x33, 0x32, 0x2b, 0x19, 0x00, 0x00, 0x00, 0x00},
112 {0x30, 0x2f, 0x29, 0x18, 0x00, 0x00, 0x00, 0x00},
113 {0x2d, 0x2d, 0x17, 0x17, 0x00, 0x00, 0x00, 0x00},
114 {0x2b, 0x2a, 0x25, 0x15, 0x00, 0x00, 0x00, 0x00},
115 {0x28, 0x28, 0x24, 0x14, 0x00, 0x00, 0x00, 0x00},
116 {0x26, 0x25, 0x21, 0x13, 0x00, 0x00, 0x00, 0x00},
117 {0x24, 0x23, 0x1f, 0x12, 0x00, 0x00, 0x00, 0x00},
118 {0x22, 0x21, 0x1d, 0x11, 0x00, 0x00, 0x00, 0x00},
119 {0x20, 0x20, 0x1b, 0x10, 0x00, 0x00, 0x00, 0x00},
120 {0x1f, 0x1e, 0x1a, 0x0f, 0x00, 0x00, 0x00, 0x00},
121 {0x1d, 0x1c, 0x18, 0x0e, 0x00, 0x00, 0x00, 0x00},
122 {0x1b, 0x1a, 0x17, 0x0e, 0x00, 0x00, 0x00, 0x00},
123 {0x1a, 0x19, 0x16, 0x0d, 0x00, 0x00, 0x00, 0x00},
124 {0x18, 0x17, 0x15, 0x0c, 0x00, 0x00, 0x00, 0x00},
125 {0x17, 0x16, 0x13, 0x0b, 0x00, 0x00, 0x00, 0x00},
126 {0x16, 0x15, 0x12, 0x0b, 0x00, 0x00, 0x00, 0x00},
127 {0x14, 0x14, 0x11, 0x0a, 0x00, 0x00, 0x00, 0x00},
128 {0x13, 0x13, 0x10, 0x0a, 0x00, 0x00, 0x00, 0x00},
129 {0x12, 0x12, 0x0f, 0x09, 0x00, 0x00, 0x00, 0x00},
130 {0x11, 0x11, 0x0f, 0x09, 0x00, 0x00, 0x00, 0x00},
131 {0x10, 0x10, 0x0e, 0x08, 0x00, 0x00, 0x00, 0x00},
132 {0x0f, 0x0f, 0x0d, 0x08, 0x00, 0x00, 0x00, 0x00},
133 {0x0e, 0x0e, 0x0c, 0x07, 0x00, 0x00, 0x00, 0x00},
134 {0x0d, 0x0d, 0x0c, 0x07, 0x00, 0x00, 0x00, 0x00},
135 {0x0d, 0x0c, 0x0b, 0x06, 0x00, 0x00, 0x00, 0x00},
136 {0x0c, 0x0c, 0x0a, 0x06, 0x00, 0x00, 0x00, 0x00},
137 {0x0b, 0x0b, 0x0a, 0x06, 0x00, 0x00, 0x00, 0x00},
138 {0x0b, 0x0a, 0x09, 0x05, 0x00, 0x00, 0x00, 0x00},
139 {0x0a, 0x0a, 0x09, 0x05, 0x00, 0x00, 0x00, 0x00},
140 {0x0a, 0x09, 0x08, 0x05, 0x00, 0x00, 0x00, 0x00},
141 {0x09, 0x09, 0x08, 0x05, 0x00, 0x00, 0x00, 0x00},
142 {0x09, 0x08, 0x07, 0x04, 0x00, 0x00, 0x00, 0x00}
143};
144
145static void rtl92c_dm_diginit(struct ieee80211_hw *hw)
146{
147 dm_digtable.dig_enable_flag = true;
148 dm_digtable.dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
149 dm_digtable.cur_igvalue = 0x20;
150 dm_digtable.pre_igvalue = 0x0;
151 dm_digtable.cursta_connectctate = DIG_STA_DISCONNECT;
152 dm_digtable.presta_connectstate = DIG_STA_DISCONNECT;
153 dm_digtable.curmultista_connectstate = DIG_MULTISTA_DISCONNECT;
154 dm_digtable.rssi_lowthresh = DM_DIG_THRESH_LOW;
155 dm_digtable.rssi_highthresh = DM_DIG_THRESH_HIGH;
156 dm_digtable.fa_lowthresh = DM_FALSEALARM_THRESH_LOW;
157 dm_digtable.fa_highthresh = DM_FALSEALARM_THRESH_HIGH;
158 dm_digtable.rx_gain_range_max = DM_DIG_MAX;
159 dm_digtable.rx_gain_range_min = DM_DIG_MIN;
160 dm_digtable.backoff_val = DM_DIG_BACKOFF_DEFAULT;
161 dm_digtable.backoff_val_range_max = DM_DIG_BACKOFF_MAX;
162 dm_digtable.backoff_val_range_min = DM_DIG_BACKOFF_MIN;
163 dm_digtable.pre_cck_pd_state = CCK_PD_STAGE_MAX;
164 dm_digtable.cur_cck_pd_state = CCK_PD_STAGE_MAX;
165}
166
167static u8 rtl92c_dm_initial_gain_min_pwdb(struct ieee80211_hw *hw)
168{
169 struct rtl_priv *rtlpriv = rtl_priv(hw);
170 long rssi_val_min = 0;
171
172 if ((dm_digtable.curmultista_connectstate == DIG_MULTISTA_CONNECT) &&
173 (dm_digtable.cursta_connectctate == DIG_STA_CONNECT)) {
174 if (rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb != 0)
175 rssi_val_min =
176 (rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb >
177 rtlpriv->dm.undecorated_smoothed_pwdb) ?
178 rtlpriv->dm.undecorated_smoothed_pwdb :
179 rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb;
180 else
181 rssi_val_min = rtlpriv->dm.undecorated_smoothed_pwdb;
182 } else if (dm_digtable.cursta_connectctate == DIG_STA_CONNECT ||
183 dm_digtable.cursta_connectctate == DIG_STA_BEFORE_CONNECT) {
184 rssi_val_min = rtlpriv->dm.undecorated_smoothed_pwdb;
185 } else if (dm_digtable.curmultista_connectstate ==
186 DIG_MULTISTA_CONNECT) {
187 rssi_val_min = rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb;
188 }
189
190 return (u8) rssi_val_min;
191}
192
193static void rtl92c_dm_false_alarm_counter_statistics(struct ieee80211_hw *hw)
194{
195 u32 ret_value;
196 struct rtl_priv *rtlpriv = rtl_priv(hw);
197 struct false_alarm_statistics *falsealm_cnt = &(rtlpriv->falsealm_cnt);
198
199 ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER1, MASKDWORD);
200 falsealm_cnt->cnt_parity_fail = ((ret_value & 0xffff0000) >> 16);
201
202 ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER2, MASKDWORD);
203 falsealm_cnt->cnt_rate_illegal = (ret_value & 0xffff);
204 falsealm_cnt->cnt_crc8_fail = ((ret_value & 0xffff0000) >> 16);
205
206 ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER3, MASKDWORD);
207 falsealm_cnt->cnt_mcs_fail = (ret_value & 0xffff);
208 falsealm_cnt->cnt_ofdm_fail = falsealm_cnt->cnt_parity_fail +
209 falsealm_cnt->cnt_rate_illegal +
210 falsealm_cnt->cnt_crc8_fail + falsealm_cnt->cnt_mcs_fail;
211
212 rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT, BIT(14), 1);
213 ret_value = rtl_get_bbreg(hw, RCCK0_FACOUNTERLOWER, MASKBYTE0);
214 falsealm_cnt->cnt_cck_fail = ret_value;
215
216 ret_value = rtl_get_bbreg(hw, RCCK0_FACOUNTERUPPER, MASKBYTE3);
217 falsealm_cnt->cnt_cck_fail += (ret_value & 0xff) << 8;
218 falsealm_cnt->cnt_all = (falsealm_cnt->cnt_parity_fail +
219 falsealm_cnt->cnt_rate_illegal +
220 falsealm_cnt->cnt_crc8_fail +
221 falsealm_cnt->cnt_mcs_fail +
222 falsealm_cnt->cnt_cck_fail);
223
224 rtl_set_bbreg(hw, ROFDM1_LSTF, 0x08000000, 1);
225 rtl_set_bbreg(hw, ROFDM1_LSTF, 0x08000000, 0);
226 rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT, 0x0000c000, 0);
227 rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT, 0x0000c000, 2);
228
229 RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
230 ("cnt_parity_fail = %d, cnt_rate_illegal = %d, "
231 "cnt_crc8_fail = %d, cnt_mcs_fail = %d\n",
232 falsealm_cnt->cnt_parity_fail,
233 falsealm_cnt->cnt_rate_illegal,
234 falsealm_cnt->cnt_crc8_fail, falsealm_cnt->cnt_mcs_fail));
235
236 RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
237 ("cnt_ofdm_fail = %x, cnt_cck_fail = %x, cnt_all = %x\n",
238 falsealm_cnt->cnt_ofdm_fail,
239 falsealm_cnt->cnt_cck_fail, falsealm_cnt->cnt_all));
240}
241
242static void rtl92c_dm_ctrl_initgain_by_fa(struct ieee80211_hw *hw)
243{
244 struct rtl_priv *rtlpriv = rtl_priv(hw);
245 u8 value_igi = dm_digtable.cur_igvalue;
246
247 if (rtlpriv->falsealm_cnt.cnt_all < DM_DIG_FA_TH0)
248 value_igi--;
249 else if (rtlpriv->falsealm_cnt.cnt_all < DM_DIG_FA_TH1)
250 value_igi += 0;
251 else if (rtlpriv->falsealm_cnt.cnt_all < DM_DIG_FA_TH2)
252 value_igi++;
253 else if (rtlpriv->falsealm_cnt.cnt_all >= DM_DIG_FA_TH2)
254 value_igi += 2;
255 if (value_igi > DM_DIG_FA_UPPER)
256 value_igi = DM_DIG_FA_UPPER;
257 else if (value_igi < DM_DIG_FA_LOWER)
258 value_igi = DM_DIG_FA_LOWER;
259 if (rtlpriv->falsealm_cnt.cnt_all > 10000)
260 value_igi = 0x32;
261
262 dm_digtable.cur_igvalue = value_igi;
263 rtl92c_dm_write_dig(hw);
264}
265
266static void rtl92c_dm_ctrl_initgain_by_rssi(struct ieee80211_hw *hw)
267{
268 struct rtl_priv *rtlpriv = rtl_priv(hw);
269
270 if (rtlpriv->falsealm_cnt.cnt_all > dm_digtable.fa_highthresh) {
271 if ((dm_digtable.backoff_val - 2) <
272 dm_digtable.backoff_val_range_min)
273 dm_digtable.backoff_val =
274 dm_digtable.backoff_val_range_min;
275 else
276 dm_digtable.backoff_val -= 2;
277 } else if (rtlpriv->falsealm_cnt.cnt_all < dm_digtable.fa_lowthresh) {
278 if ((dm_digtable.backoff_val + 2) >
279 dm_digtable.backoff_val_range_max)
280 dm_digtable.backoff_val =
281 dm_digtable.backoff_val_range_max;
282 else
283 dm_digtable.backoff_val += 2;
284 }
285
286 if ((dm_digtable.rssi_val_min + 10 - dm_digtable.backoff_val) >
287 dm_digtable.rx_gain_range_max)
288 dm_digtable.cur_igvalue = dm_digtable.rx_gain_range_max;
289 else if ((dm_digtable.rssi_val_min + 10 -
290 dm_digtable.backoff_val) < dm_digtable.rx_gain_range_min)
291 dm_digtable.cur_igvalue = dm_digtable.rx_gain_range_min;
292 else
293 dm_digtable.cur_igvalue = dm_digtable.rssi_val_min + 10 -
294 dm_digtable.backoff_val;
295
296 RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
297 ("rssi_val_min = %x backoff_val %x\n",
298 dm_digtable.rssi_val_min, dm_digtable.backoff_val));
299
300 rtl92c_dm_write_dig(hw);
301}
302
303static void rtl92c_dm_initial_gain_multi_sta(struct ieee80211_hw *hw)
304{
305 static u8 binitialized; /* initialized to false */
306 struct rtl_priv *rtlpriv = rtl_priv(hw);
307 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
308 long rssi_strength = rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb;
309 bool b_multi_sta = false;
310
311 if (mac->opmode == NL80211_IFTYPE_ADHOC)
312 b_multi_sta = true;
313
314 if ((b_multi_sta == false) || (dm_digtable.cursta_connectctate !=
315 DIG_STA_DISCONNECT)) {
316 binitialized = false;
317 dm_digtable.dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
318 return;
319 } else if (binitialized == false) {
320 binitialized = true;
321 dm_digtable.dig_ext_port_stage = DIG_EXT_PORT_STAGE_0;
322 dm_digtable.cur_igvalue = 0x20;
323 rtl92c_dm_write_dig(hw);
324 }
325
326 if (dm_digtable.curmultista_connectstate == DIG_MULTISTA_CONNECT) {
327 if ((rssi_strength < dm_digtable.rssi_lowthresh) &&
328 (dm_digtable.dig_ext_port_stage != DIG_EXT_PORT_STAGE_1)) {
329
330 if (dm_digtable.dig_ext_port_stage ==
331 DIG_EXT_PORT_STAGE_2) {
332 dm_digtable.cur_igvalue = 0x20;
333 rtl92c_dm_write_dig(hw);
334 }
335
336 dm_digtable.dig_ext_port_stage = DIG_EXT_PORT_STAGE_1;
337 } else if (rssi_strength > dm_digtable.rssi_highthresh) {
338 dm_digtable.dig_ext_port_stage = DIG_EXT_PORT_STAGE_2;
339 rtl92c_dm_ctrl_initgain_by_fa(hw);
340 }
341 } else if (dm_digtable.dig_ext_port_stage != DIG_EXT_PORT_STAGE_0) {
342 dm_digtable.dig_ext_port_stage = DIG_EXT_PORT_STAGE_0;
343 dm_digtable.cur_igvalue = 0x20;
344 rtl92c_dm_write_dig(hw);
345 }
346
347 RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
348 ("curmultista_connectstate = "
349 "%x dig_ext_port_stage %x\n",
350 dm_digtable.curmultista_connectstate,
351 dm_digtable.dig_ext_port_stage));
352}
353
354static void rtl92c_dm_initial_gain_sta(struct ieee80211_hw *hw)
355{
356 struct rtl_priv *rtlpriv = rtl_priv(hw);
357
358 RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
359 ("presta_connectstate = %x,"
360 " cursta_connectctate = %x\n",
361 dm_digtable.presta_connectstate,
362 dm_digtable.cursta_connectctate));
363
364 if (dm_digtable.presta_connectstate == dm_digtable.cursta_connectctate
365 || dm_digtable.cursta_connectctate == DIG_STA_BEFORE_CONNECT
366 || dm_digtable.cursta_connectctate == DIG_STA_CONNECT) {
367
368 if (dm_digtable.cursta_connectctate != DIG_STA_DISCONNECT) {
369 dm_digtable.rssi_val_min =
370 rtl92c_dm_initial_gain_min_pwdb(hw);
371 rtl92c_dm_ctrl_initgain_by_rssi(hw);
372 }
373 } else {
374 dm_digtable.rssi_val_min = 0;
375 dm_digtable.dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
376 dm_digtable.backoff_val = DM_DIG_BACKOFF_DEFAULT;
377 dm_digtable.cur_igvalue = 0x20;
378 dm_digtable.pre_igvalue = 0;
379 rtl92c_dm_write_dig(hw);
380 }
381}
382
383static void rtl92c_dm_cck_packet_detection_thresh(struct ieee80211_hw *hw)
384{
385 struct rtl_priv *rtlpriv = rtl_priv(hw);
386 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
387
388 if (dm_digtable.cursta_connectctate == DIG_STA_CONNECT) {
389 dm_digtable.rssi_val_min = rtl92c_dm_initial_gain_min_pwdb(hw);
390
391 if (dm_digtable.pre_cck_pd_state == CCK_PD_STAGE_LowRssi) {
392 if (dm_digtable.rssi_val_min <= 25)
393 dm_digtable.cur_cck_pd_state =
394 CCK_PD_STAGE_LowRssi;
395 else
396 dm_digtable.cur_cck_pd_state =
397 CCK_PD_STAGE_HighRssi;
398 } else {
399 if (dm_digtable.rssi_val_min <= 20)
400 dm_digtable.cur_cck_pd_state =
401 CCK_PD_STAGE_LowRssi;
402 else
403 dm_digtable.cur_cck_pd_state =
404 CCK_PD_STAGE_HighRssi;
405 }
406 } else {
407 dm_digtable.cur_cck_pd_state = CCK_PD_STAGE_MAX;
408 }
409
410 if (dm_digtable.pre_cck_pd_state != dm_digtable.cur_cck_pd_state) {
411 if (dm_digtable.cur_cck_pd_state == CCK_PD_STAGE_LowRssi) {
412 if (rtlpriv->falsealm_cnt.cnt_cck_fail > 800)
413 dm_digtable.cur_cck_fa_state =
414 CCK_FA_STAGE_High;
415 else
416 dm_digtable.cur_cck_fa_state = CCK_FA_STAGE_Low;
417
418 if (dm_digtable.pre_cck_fa_state !=
419 dm_digtable.cur_cck_fa_state) {
420 if (dm_digtable.cur_cck_fa_state ==
421 CCK_FA_STAGE_Low)
422 rtl_set_bbreg(hw, RCCK0_CCA, MASKBYTE2,
423 0x83);
424 else
425 rtl_set_bbreg(hw, RCCK0_CCA, MASKBYTE2,
426 0xcd);
427
428 dm_digtable.pre_cck_fa_state =
429 dm_digtable.cur_cck_fa_state;
430 }
431
432 rtl_set_bbreg(hw, RCCK0_SYSTEM, MASKBYTE1, 0x40);
433
434 if (IS_92C_SERIAL(rtlhal->version))
435 rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT,
436 MASKBYTE2, 0xd7);
437 } else {
438 rtl_set_bbreg(hw, RCCK0_CCA, MASKBYTE2, 0xcd);
439 rtl_set_bbreg(hw, RCCK0_SYSTEM, MASKBYTE1, 0x47);
440
441 if (IS_92C_SERIAL(rtlhal->version))
442 rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT,
443 MASKBYTE2, 0xd3);
444 }
445 dm_digtable.pre_cck_pd_state = dm_digtable.cur_cck_pd_state;
446 }
447
448 RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
449 ("CCKPDStage=%x\n", dm_digtable.cur_cck_pd_state));
450
451 RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
452 ("is92C=%x\n", IS_92C_SERIAL(rtlhal->version)));
453}
454
455static void rtl92c_dm_ctrl_initgain_by_twoport(struct ieee80211_hw *hw)
456{
457 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
458
459 if (mac->act_scanning == true)
460 return;
461
462 if ((mac->link_state > MAC80211_NOLINK) &&
463 (mac->link_state < MAC80211_LINKED))
464 dm_digtable.cursta_connectctate = DIG_STA_BEFORE_CONNECT;
465 else if (mac->link_state >= MAC80211_LINKED)
466 dm_digtable.cursta_connectctate = DIG_STA_CONNECT;
467 else
468 dm_digtable.cursta_connectctate = DIG_STA_DISCONNECT;
469
470 rtl92c_dm_initial_gain_sta(hw);
471 rtl92c_dm_initial_gain_multi_sta(hw);
472 rtl92c_dm_cck_packet_detection_thresh(hw);
473
474 dm_digtable.presta_connectstate = dm_digtable.cursta_connectctate;
475
476}
477
478static void rtl92c_dm_dig(struct ieee80211_hw *hw)
479{
480 struct rtl_priv *rtlpriv = rtl_priv(hw);
481
482 if (rtlpriv->dm.b_dm_initialgain_enable == false)
483 return;
484 if (dm_digtable.dig_enable_flag == false)
485 return;
486
487 rtl92c_dm_ctrl_initgain_by_twoport(hw);
488
489}
490
491static void rtl92c_dm_init_dynamic_txpower(struct ieee80211_hw *hw)
492{
493 struct rtl_priv *rtlpriv = rtl_priv(hw);
494
495 rtlpriv->dm.bdynamic_txpower_enable = false;
496
497 rtlpriv->dm.last_dtp_lvl = TXHIGHPWRLEVEL_NORMAL;
498 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
499}
500
501void rtl92c_dm_write_dig(struct ieee80211_hw *hw)
502{
503 struct rtl_priv *rtlpriv = rtl_priv(hw);
504
505 RT_TRACE(rtlpriv, COMP_DIG, DBG_LOUD,
506 ("cur_igvalue = 0x%x, "
507 "pre_igvalue = 0x%x, backoff_val = %d\n",
508 dm_digtable.cur_igvalue, dm_digtable.pre_igvalue,
509 dm_digtable.backoff_val));
510
511 if (dm_digtable.pre_igvalue != dm_digtable.cur_igvalue) {
512 rtl_set_bbreg(hw, ROFDM0_XAAGCCORE1, 0x7f,
513 dm_digtable.cur_igvalue);
514 rtl_set_bbreg(hw, ROFDM0_XBAGCCORE1, 0x7f,
515 dm_digtable.cur_igvalue);
516
517 dm_digtable.pre_igvalue = dm_digtable.cur_igvalue;
518 }
519}
520
521static void rtl92c_dm_pwdb_monitor(struct ieee80211_hw *hw)
522{
523 struct rtl_priv *rtlpriv = rtl_priv(hw);
524 long tmpentry_max_pwdb = 0, tmpentry_min_pwdb = 0xff;
525
526 u8 h2c_parameter[3] = { 0 };
527
528 return;
529
530 if (tmpentry_max_pwdb != 0) {
531 rtlpriv->dm.entry_max_undecoratedsmoothed_pwdb =
532 tmpentry_max_pwdb;
533 } else {
534 rtlpriv->dm.entry_max_undecoratedsmoothed_pwdb = 0;
535 }
536
537 if (tmpentry_min_pwdb != 0xff) {
538 rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb =
539 tmpentry_min_pwdb;
540 } else {
541 rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb = 0;
542 }
543
544 h2c_parameter[2] = (u8) (rtlpriv->dm.undecorated_smoothed_pwdb & 0xFF);
545 h2c_parameter[0] = 0;
546
547 rtl92c_fill_h2c_cmd(hw, H2C_RSSI_REPORT, 3, h2c_parameter);
548}
549
550void rtl92c_dm_init_edca_turbo(struct ieee80211_hw *hw)
551{
552 struct rtl_priv *rtlpriv = rtl_priv(hw);
553 rtlpriv->dm.bcurrent_turbo_edca = false;
554 rtlpriv->dm.bis_any_nonbepkts = false;
555 rtlpriv->dm.bis_cur_rdlstate = false;
556}
557
558static void rtl92c_dm_check_edca_turbo(struct ieee80211_hw *hw)
559{
560 struct rtl_priv *rtlpriv = rtl_priv(hw);
561 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
562 static u64 last_txok_cnt;
563 static u64 last_rxok_cnt;
564 u64 cur_txok_cnt;
565 u64 cur_rxok_cnt;
566 u32 edca_be_ul = 0x5ea42b;
567 u32 edca_be_dl = 0x5ea42b;
568
569 if (mac->opmode == NL80211_IFTYPE_ADHOC)
570 goto dm_checkedcaturbo_exit;
571
572 if (mac->link_state != MAC80211_LINKED) {
573 rtlpriv->dm.bcurrent_turbo_edca = false;
574 return;
575 }
576
577 if (!mac->ht_enable) { /*FIX MERGE */
578 if (!(edca_be_ul & 0xffff0000))
579 edca_be_ul |= 0x005e0000;
580
581 if (!(edca_be_dl & 0xffff0000))
582 edca_be_dl |= 0x005e0000;
583 }
584
585 if ((!rtlpriv->dm.bis_any_nonbepkts) &&
586 (!rtlpriv->dm.b_disable_framebursting)) {
587 cur_txok_cnt = rtlpriv->stats.txbytesunicast - last_txok_cnt;
588 cur_rxok_cnt = rtlpriv->stats.rxbytesunicast - last_rxok_cnt;
589 if (cur_rxok_cnt > 4 * cur_txok_cnt) {
590 if (!rtlpriv->dm.bis_cur_rdlstate ||
591 !rtlpriv->dm.bcurrent_turbo_edca) {
592 rtl_write_dword(rtlpriv,
593 REG_EDCA_BE_PARAM,
594 edca_be_dl);
595 rtlpriv->dm.bis_cur_rdlstate = true;
596 }
597 } else {
598 if (rtlpriv->dm.bis_cur_rdlstate ||
599 !rtlpriv->dm.bcurrent_turbo_edca) {
600 rtl_write_dword(rtlpriv,
601 REG_EDCA_BE_PARAM,
602 edca_be_ul);
603 rtlpriv->dm.bis_cur_rdlstate = false;
604 }
605 }
606 rtlpriv->dm.bcurrent_turbo_edca = true;
607 } else {
608 if (rtlpriv->dm.bcurrent_turbo_edca) {
609 u8 tmp = AC0_BE;
610 rtlpriv->cfg->ops->set_hw_reg(hw,
611 HW_VAR_AC_PARAM,
612 (u8 *) (&tmp));
613 rtlpriv->dm.bcurrent_turbo_edca = false;
614 }
615 }
616
617dm_checkedcaturbo_exit:
618 rtlpriv->dm.bis_any_nonbepkts = false;
619 last_txok_cnt = rtlpriv->stats.txbytesunicast;
620 last_rxok_cnt = rtlpriv->stats.rxbytesunicast;
621}
622
623static void rtl92c_dm_txpower_tracking_callback_thermalmeter(struct ieee80211_hw
624 *hw)
625{
626 struct rtl_priv *rtlpriv = rtl_priv(hw);
627 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
628 struct rtl_phy *rtlphy = &(rtlpriv->phy);
629 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
630 u8 thermalvalue, delta, delta_lck, delta_iqk;
631 long ele_a, ele_d, temp_cck, val_x, value32;
632 long val_y, ele_c;
633 u8 ofdm_index[2], cck_index, ofdm_index_old[2], cck_index_old;
634 int i;
635 bool is2t = IS_92C_SERIAL(rtlhal->version);
636 u8 txpwr_level[2] = {0, 0};
637 u8 ofdm_min_index = 6, rf;
638
639 rtlpriv->dm.btxpower_trackingInit = true;
640 RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
641 ("rtl92c_dm_txpower_tracking_callback_thermalmeter\n"));
642
643 thermalvalue = (u8) rtl_get_rfreg(hw, RF90_PATH_A, RF_T_METER, 0x1f);
644
645 RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
646 ("Readback Thermal Meter = 0x%x pre thermal meter 0x%x "
647 "eeprom_thermalmeter 0x%x\n",
648 thermalvalue, rtlpriv->dm.thermalvalue,
649 rtlefuse->eeprom_thermalmeter));
650
651 rtl92c_phy_ap_calibrate(hw, (thermalvalue -
652 rtlefuse->eeprom_thermalmeter));
653 if (is2t)
654 rf = 2;
655 else
656 rf = 1;
657
658 if (thermalvalue) {
659 ele_d = rtl_get_bbreg(hw, ROFDM0_XATXIQIMBALANCE,
660 MASKDWORD) & MASKOFDM_D;
661
662 for (i = 0; i < OFDM_TABLE_LENGTH; i++) {
663 if (ele_d == (ofdmswing_table[i] & MASKOFDM_D)) {
664 ofdm_index_old[0] = (u8) i;
665
666 RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
667 ("Initial pathA ele_d reg0x%x = 0x%lx, "
668 "ofdm_index=0x%x\n",
669 ROFDM0_XATXIQIMBALANCE,
670 ele_d, ofdm_index_old[0]));
671 break;
672 }
673 }
674
675 if (is2t) {
676 ele_d = rtl_get_bbreg(hw, ROFDM0_XBTXIQIMBALANCE,
677 MASKDWORD) & MASKOFDM_D;
678
679 for (i = 0; i < OFDM_TABLE_LENGTH; i++) {
680 if (ele_d == (ofdmswing_table[i] &
681 MASKOFDM_D)) {
682 ofdm_index_old[1] = (u8) i;
683
684 RT_TRACE(rtlpriv, COMP_POWER_TRACKING,
685 DBG_LOUD,
686 ("Initial pathB ele_d reg0x%x = "
687 "0x%lx, ofdm_index=0x%x\n",
688 ROFDM0_XBTXIQIMBALANCE, ele_d,
689 ofdm_index_old[1]));
690 break;
691 }
692 }
693 }
694
695 temp_cck =
696 rtl_get_bbreg(hw, RCCK0_TXFILTER2, MASKDWORD) & MASKCCK;
697
698 for (i = 0; i < CCK_TABLE_LENGTH; i++) {
699 if (rtlpriv->dm.b_cck_inch14) {
700 if (memcmp((void *)&temp_cck,
701 (void *)&cckswing_table_ch14[i][2],
702 4) == 0) {
703 cck_index_old = (u8) i;
704
705 RT_TRACE(rtlpriv, COMP_POWER_TRACKING,
706 DBG_LOUD,
707 ("Initial reg0x%x = 0x%lx, "
708 "cck_index=0x%x, ch 14 %d\n",
709 RCCK0_TXFILTER2, temp_cck,
710 cck_index_old,
711 rtlpriv->dm.b_cck_inch14));
712 break;
713 }
714 } else {
715 if (memcmp((void *)&temp_cck,
716 (void *)
717 &cckswing_table_ch1ch13[i][2],
718 4) == 0) {
719 cck_index_old = (u8) i;
720
721 RT_TRACE(rtlpriv, COMP_POWER_TRACKING,
722 DBG_LOUD,
723 ("Initial reg0x%x = 0x%lx, "
724 "cck_index=0x%x, ch14 %d\n",
725 RCCK0_TXFILTER2, temp_cck,
726 cck_index_old,
727 rtlpriv->dm.b_cck_inch14));
728 break;
729 }
730 }
731 }
732
733 if (!rtlpriv->dm.thermalvalue) {
734 rtlpriv->dm.thermalvalue =
735 rtlefuse->eeprom_thermalmeter;
736 rtlpriv->dm.thermalvalue_lck = thermalvalue;
737 rtlpriv->dm.thermalvalue_iqk = thermalvalue;
738 for (i = 0; i < rf; i++)
739 rtlpriv->dm.ofdm_index[i] = ofdm_index_old[i];
740 rtlpriv->dm.cck_index = cck_index_old;
741 }
742
743 delta = (thermalvalue > rtlpriv->dm.thermalvalue) ?
744 (thermalvalue - rtlpriv->dm.thermalvalue) :
745 (rtlpriv->dm.thermalvalue - thermalvalue);
746
747 delta_lck = (thermalvalue > rtlpriv->dm.thermalvalue_lck) ?
748 (thermalvalue - rtlpriv->dm.thermalvalue_lck) :
749 (rtlpriv->dm.thermalvalue_lck - thermalvalue);
750
751 delta_iqk = (thermalvalue > rtlpriv->dm.thermalvalue_iqk) ?
752 (thermalvalue - rtlpriv->dm.thermalvalue_iqk) :
753 (rtlpriv->dm.thermalvalue_iqk - thermalvalue);
754
755 RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
756 ("Readback Thermal Meter = 0x%x pre thermal meter 0x%x "
757 "eeprom_thermalmeter 0x%x delta 0x%x "
758 "delta_lck 0x%x delta_iqk 0x%x\n",
759 thermalvalue, rtlpriv->dm.thermalvalue,
760 rtlefuse->eeprom_thermalmeter, delta, delta_lck,
761 delta_iqk));
762
763 if (delta_lck > 1) {
764 rtlpriv->dm.thermalvalue_lck = thermalvalue;
765 rtl92c_phy_lc_calibrate(hw);
766 }
767
768 if (delta > 0 && rtlpriv->dm.txpower_track_control) {
769 if (thermalvalue > rtlpriv->dm.thermalvalue) {
770 for (i = 0; i < rf; i++)
771 rtlpriv->dm.ofdm_index[i] -= delta;
772 rtlpriv->dm.cck_index -= delta;
773 } else {
774 for (i = 0; i < rf; i++)
775 rtlpriv->dm.ofdm_index[i] += delta;
776 rtlpriv->dm.cck_index += delta;
777 }
778
779 if (is2t) {
780 RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
781 ("temp OFDM_A_index=0x%x, "
782 "OFDM_B_index=0x%x,"
783 "cck_index=0x%x\n",
784 rtlpriv->dm.ofdm_index[0],
785 rtlpriv->dm.ofdm_index[1],
786 rtlpriv->dm.cck_index));
787 } else {
788 RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
789 ("temp OFDM_A_index=0x%x,"
790 "cck_index=0x%x\n",
791 rtlpriv->dm.ofdm_index[0],
792 rtlpriv->dm.cck_index));
793 }
794
795 if (thermalvalue > rtlefuse->eeprom_thermalmeter) {
796 for (i = 0; i < rf; i++)
797 ofdm_index[i] =
798 rtlpriv->dm.ofdm_index[i]
799 + 1;
800 cck_index = rtlpriv->dm.cck_index + 1;
801 } else {
802 for (i = 0; i < rf; i++)
803 ofdm_index[i] =
804 rtlpriv->dm.ofdm_index[i];
805 cck_index = rtlpriv->dm.cck_index;
806 }
807
808 for (i = 0; i < rf; i++) {
809 if (txpwr_level[i] >= 0 &&
810 txpwr_level[i] <= 26) {
811 if (thermalvalue >
812 rtlefuse->eeprom_thermalmeter) {
813 if (delta < 5)
814 ofdm_index[i] -= 1;
815
816 else
817 ofdm_index[i] -= 2;
818 } else if (delta > 5 && thermalvalue <
819 rtlefuse->
820 eeprom_thermalmeter) {
821 ofdm_index[i] += 1;
822 }
823 } else if (txpwr_level[i] >= 27 &&
824 txpwr_level[i] <= 32
825 && thermalvalue >
826 rtlefuse->eeprom_thermalmeter) {
827 if (delta < 5)
828 ofdm_index[i] -= 1;
829
830 else
831 ofdm_index[i] -= 2;
832 } else if (txpwr_level[i] >= 32 &&
833 txpwr_level[i] <= 38 &&
834 thermalvalue >
835 rtlefuse->eeprom_thermalmeter
836 && delta > 5) {
837 ofdm_index[i] -= 1;
838 }
839 }
840
841 if (txpwr_level[i] >= 0 && txpwr_level[i] <= 26) {
842 if (thermalvalue >
843 rtlefuse->eeprom_thermalmeter) {
844 if (delta < 5)
845 cck_index -= 1;
846
847 else
848 cck_index -= 2;
849 } else if (delta > 5 && thermalvalue <
850 rtlefuse->eeprom_thermalmeter) {
851 cck_index += 1;
852 }
853 } else if (txpwr_level[i] >= 27 &&
854 txpwr_level[i] <= 32 &&
855 thermalvalue >
856 rtlefuse->eeprom_thermalmeter) {
857 if (delta < 5)
858 cck_index -= 1;
859
860 else
861 cck_index -= 2;
862 } else if (txpwr_level[i] >= 32 &&
863 txpwr_level[i] <= 38 &&
864 thermalvalue > rtlefuse->eeprom_thermalmeter
865 && delta > 5) {
866 cck_index -= 1;
867 }
868
869 for (i = 0; i < rf; i++) {
870 if (ofdm_index[i] > OFDM_TABLE_SIZE - 1)
871 ofdm_index[i] = OFDM_TABLE_SIZE - 1;
872
873 else if (ofdm_index[i] < ofdm_min_index)
874 ofdm_index[i] = ofdm_min_index;
875 }
876
877 if (cck_index > CCK_TABLE_SIZE - 1)
878 cck_index = CCK_TABLE_SIZE - 1;
879 else if (cck_index < 0)
880 cck_index = 0;
881
882 if (is2t) {
883 RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
884 ("new OFDM_A_index=0x%x, "
885 "OFDM_B_index=0x%x,"
886 "cck_index=0x%x\n",
887 ofdm_index[0], ofdm_index[1],
888 cck_index));
889 } else {
890 RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
891 ("new OFDM_A_index=0x%x,"
892 "cck_index=0x%x\n",
893 ofdm_index[0], cck_index));
894 }
895 }
896
897 if (rtlpriv->dm.txpower_track_control && delta != 0) {
898 ele_d =
899 (ofdmswing_table[ofdm_index[0]] & 0xFFC00000) >> 22;
900 val_x = rtlphy->reg_e94;
901 val_y = rtlphy->reg_e9c;
902
903 if (val_x != 0) {
904 if ((val_x & 0x00000200) != 0)
905 val_x = val_x | 0xFFFFFC00;
906 ele_a = ((val_x * ele_d) >> 8) & 0x000003FF;
907
908 if ((val_y & 0x00000200) != 0)
909 val_y = val_y | 0xFFFFFC00;
910 ele_c = ((val_y * ele_d) >> 8) & 0x000003FF;
911
912 value32 = (ele_d << 22) |
913 ((ele_c & 0x3F) << 16) | ele_a;
914
915 rtl_set_bbreg(hw, ROFDM0_XATXIQIMBALANCE,
916 MASKDWORD, value32);
917
918 value32 = (ele_c & 0x000003C0) >> 6;
919 rtl_set_bbreg(hw, ROFDM0_XCTXAFE, MASKH4BITS,
920 value32);
921
922 value32 = ((val_x * ele_d) >> 7) & 0x01;
923 rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
924 BIT(31), value32);
925
926 value32 = ((val_y * ele_d) >> 7) & 0x01;
927 rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
928 BIT(29), value32);
929 } else {
930 rtl_set_bbreg(hw, ROFDM0_XATXIQIMBALANCE,
931 MASKDWORD,
932 ofdmswing_table[ofdm_index[0]]);
933
934 rtl_set_bbreg(hw, ROFDM0_XCTXAFE, MASKH4BITS,
935 0x00);
936 rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
937 BIT(31) | BIT(29), 0x00);
938 }
939
940 if (!rtlpriv->dm.b_cck_inch14) {
941 rtl_write_byte(rtlpriv, 0xa22,
942 cckswing_table_ch1ch13[cck_index]
943 [0]);
944 rtl_write_byte(rtlpriv, 0xa23,
945 cckswing_table_ch1ch13[cck_index]
946 [1]);
947 rtl_write_byte(rtlpriv, 0xa24,
948 cckswing_table_ch1ch13[cck_index]
949 [2]);
950 rtl_write_byte(rtlpriv, 0xa25,
951 cckswing_table_ch1ch13[cck_index]
952 [3]);
953 rtl_write_byte(rtlpriv, 0xa26,
954 cckswing_table_ch1ch13[cck_index]
955 [4]);
956 rtl_write_byte(rtlpriv, 0xa27,
957 cckswing_table_ch1ch13[cck_index]
958 [5]);
959 rtl_write_byte(rtlpriv, 0xa28,
960 cckswing_table_ch1ch13[cck_index]
961 [6]);
962 rtl_write_byte(rtlpriv, 0xa29,
963 cckswing_table_ch1ch13[cck_index]
964 [7]);
965 } else {
966 rtl_write_byte(rtlpriv, 0xa22,
967 cckswing_table_ch14[cck_index]
968 [0]);
969 rtl_write_byte(rtlpriv, 0xa23,
970 cckswing_table_ch14[cck_index]
971 [1]);
972 rtl_write_byte(rtlpriv, 0xa24,
973 cckswing_table_ch14[cck_index]
974 [2]);
975 rtl_write_byte(rtlpriv, 0xa25,
976 cckswing_table_ch14[cck_index]
977 [3]);
978 rtl_write_byte(rtlpriv, 0xa26,
979 cckswing_table_ch14[cck_index]
980 [4]);
981 rtl_write_byte(rtlpriv, 0xa27,
982 cckswing_table_ch14[cck_index]
983 [5]);
984 rtl_write_byte(rtlpriv, 0xa28,
985 cckswing_table_ch14[cck_index]
986 [6]);
987 rtl_write_byte(rtlpriv, 0xa29,
988 cckswing_table_ch14[cck_index]
989 [7]);
990 }
991
992 if (is2t) {
993 ele_d = (ofdmswing_table[ofdm_index[1]] &
994 0xFFC00000) >> 22;
995
996 val_x = rtlphy->reg_eb4;
997 val_y = rtlphy->reg_ebc;
998
999 if (val_x != 0) {
1000 if ((val_x & 0x00000200) != 0)
1001 val_x = val_x | 0xFFFFFC00;
1002 ele_a = ((val_x * ele_d) >> 8) &
1003 0x000003FF;
1004
1005 if ((val_y & 0x00000200) != 0)
1006 val_y = val_y | 0xFFFFFC00;
1007 ele_c = ((val_y * ele_d) >> 8) &
1008 0x00003FF;
1009
1010 value32 = (ele_d << 22) |
1011 ((ele_c & 0x3F) << 16) | ele_a;
1012 rtl_set_bbreg(hw,
1013 ROFDM0_XBTXIQIMBALANCE,
1014 MASKDWORD, value32);
1015
1016 value32 = (ele_c & 0x000003C0) >> 6;
1017 rtl_set_bbreg(hw, ROFDM0_XDTXAFE,
1018 MASKH4BITS, value32);
1019
1020 value32 = ((val_x * ele_d) >> 7) & 0x01;
1021 rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
1022 BIT(27), value32);
1023
1024 value32 = ((val_y * ele_d) >> 7) & 0x01;
1025 rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
1026 BIT(25), value32);
1027 } else {
1028 rtl_set_bbreg(hw,
1029 ROFDM0_XBTXIQIMBALANCE,
1030 MASKDWORD,
1031 ofdmswing_table[ofdm_index
1032 [1]]);
1033 rtl_set_bbreg(hw, ROFDM0_XDTXAFE,
1034 MASKH4BITS, 0x00);
1035 rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
1036 BIT(27) | BIT(25), 0x00);
1037 }
1038
1039 }
1040 }
1041
1042 if (delta_iqk > 3) {
1043 rtlpriv->dm.thermalvalue_iqk = thermalvalue;
1044 rtl92c_phy_iq_calibrate(hw, false);
1045 }
1046
1047 if (rtlpriv->dm.txpower_track_control)
1048 rtlpriv->dm.thermalvalue = thermalvalue;
1049 }
1050
1051 RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, ("<===\n"));
1052
1053}
1054
1055static void rtl92c_dm_initialize_txpower_tracking_thermalmeter(
1056 struct ieee80211_hw *hw)
1057{
1058 struct rtl_priv *rtlpriv = rtl_priv(hw);
1059
1060 rtlpriv->dm.btxpower_tracking = true;
1061 rtlpriv->dm.btxpower_trackingInit = false;
1062
1063 RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
1064 ("pMgntInfo->btxpower_tracking = %d\n",
1065 rtlpriv->dm.btxpower_tracking));
1066}
1067
1068static void rtl92c_dm_initialize_txpower_tracking(struct ieee80211_hw *hw)
1069{
1070 rtl92c_dm_initialize_txpower_tracking_thermalmeter(hw);
1071}
1072
1073static void rtl92c_dm_txpower_tracking_directcall(struct ieee80211_hw *hw)
1074{
1075 rtl92c_dm_txpower_tracking_callback_thermalmeter(hw);
1076}
1077
1078static void rtl92c_dm_check_txpower_tracking_thermal_meter(
1079 struct ieee80211_hw *hw)
1080{
1081 struct rtl_priv *rtlpriv = rtl_priv(hw);
1082 static u8 tm_trigger;
1083
1084 if (!rtlpriv->dm.btxpower_tracking)
1085 return;
1086
1087 if (!tm_trigger) {
1088 rtl_set_rfreg(hw, RF90_PATH_A, RF_T_METER, RFREG_OFFSET_MASK,
1089 0x60);
1090 RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
1091 ("Trigger 92S Thermal Meter!!\n"));
1092 tm_trigger = 1;
1093 return;
1094 } else {
1095 RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
1096 ("Schedule TxPowerTracking direct call!!\n"));
1097 rtl92c_dm_txpower_tracking_directcall(hw);
1098 tm_trigger = 0;
1099 }
1100}
1101
1102void rtl92c_dm_check_txpower_tracking(struct ieee80211_hw *hw)
1103{
1104 rtl92c_dm_check_txpower_tracking_thermal_meter(hw);
1105}
1106
1107void rtl92c_dm_init_rate_adaptive_mask(struct ieee80211_hw *hw)
1108{
1109 struct rtl_priv *rtlpriv = rtl_priv(hw);
1110 struct rate_adaptive *p_ra = &(rtlpriv->ra);
1111
1112 p_ra->ratr_state = DM_RATR_STA_INIT;
1113 p_ra->pre_ratr_state = DM_RATR_STA_INIT;
1114
1115 if (rtlpriv->dm.dm_type == DM_TYPE_BYDRIVER)
1116 rtlpriv->dm.b_useramask = true;
1117 else
1118 rtlpriv->dm.b_useramask = false;
1119
1120}
1121
1122static void rtl92c_dm_refresh_rate_adaptive_mask(struct ieee80211_hw *hw)
1123{
1124 struct rtl_priv *rtlpriv = rtl_priv(hw);
1125 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
1126 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1127 struct rate_adaptive *p_ra = &(rtlpriv->ra);
1128 u32 low_rssithresh_for_ra, high_rssithresh_for_ra;
1129
1130 if (is_hal_stop(rtlhal)) {
1131 RT_TRACE(rtlpriv, COMP_RATE, DBG_LOUD,
1132 ("<---- driver is going to unload\n"));
1133 return;
1134 }
1135
1136 if (!rtlpriv->dm.b_useramask) {
1137 RT_TRACE(rtlpriv, COMP_RATE, DBG_LOUD,
1138 ("<---- driver does not control rate adaptive mask\n"));
1139 return;
1140 }
1141
1142 if (mac->link_state == MAC80211_LINKED) {
1143
1144 switch (p_ra->pre_ratr_state) {
1145 case DM_RATR_STA_HIGH:
1146 high_rssithresh_for_ra = 50;
1147 low_rssithresh_for_ra = 20;
1148 break;
1149 case DM_RATR_STA_MIDDLE:
1150 high_rssithresh_for_ra = 55;
1151 low_rssithresh_for_ra = 20;
1152 break;
1153 case DM_RATR_STA_LOW:
1154 high_rssithresh_for_ra = 50;
1155 low_rssithresh_for_ra = 25;
1156 break;
1157 default:
1158 high_rssithresh_for_ra = 50;
1159 low_rssithresh_for_ra = 20;
1160 break;
1161 }
1162
1163 if (rtlpriv->dm.undecorated_smoothed_pwdb >
1164 (long)high_rssithresh_for_ra)
1165 p_ra->ratr_state = DM_RATR_STA_HIGH;
1166 else if (rtlpriv->dm.undecorated_smoothed_pwdb >
1167 (long)low_rssithresh_for_ra)
1168 p_ra->ratr_state = DM_RATR_STA_MIDDLE;
1169 else
1170 p_ra->ratr_state = DM_RATR_STA_LOW;
1171
1172 if (p_ra->pre_ratr_state != p_ra->ratr_state) {
1173 RT_TRACE(rtlpriv, COMP_RATE, DBG_LOUD,
1174 ("RSSI = %ld\n",
1175 rtlpriv->dm.undecorated_smoothed_pwdb));
1176 RT_TRACE(rtlpriv, COMP_RATE, DBG_LOUD,
1177 ("RSSI_LEVEL = %d\n", p_ra->ratr_state));
1178 RT_TRACE(rtlpriv, COMP_RATE, DBG_LOUD,
1179 ("PreState = %d, CurState = %d\n",
1180 p_ra->pre_ratr_state, p_ra->ratr_state));
1181
1182 rtlpriv->cfg->ops->update_rate_mask(hw,
1183 p_ra->ratr_state);
1184
1185 p_ra->pre_ratr_state = p_ra->ratr_state;
1186 }
1187 }
1188}
1189
1190static void rtl92c_dm_init_dynamic_bb_powersaving(struct ieee80211_hw *hw)
1191{
1192 dm_pstable.pre_ccastate = CCA_MAX;
1193 dm_pstable.cur_ccasate = CCA_MAX;
1194 dm_pstable.pre_rfstate = RF_MAX;
1195 dm_pstable.cur_rfstate = RF_MAX;
1196 dm_pstable.rssi_val_min = 0;
1197}
1198
1199static void rtl92c_dm_1r_cca(struct ieee80211_hw *hw)
1200{
1201 struct rtl_priv *rtlpriv = rtl_priv(hw);
1202 struct rtl_phy *rtlphy = &(rtlpriv->phy);
1203
1204 if (dm_pstable.rssi_val_min != 0) {
1205 if (dm_pstable.pre_ccastate == CCA_2R) {
1206 if (dm_pstable.rssi_val_min >= 35)
1207 dm_pstable.cur_ccasate = CCA_1R;
1208 else
1209 dm_pstable.cur_ccasate = CCA_2R;
1210 } else {
1211 if (dm_pstable.rssi_val_min <= 30)
1212 dm_pstable.cur_ccasate = CCA_2R;
1213 else
1214 dm_pstable.cur_ccasate = CCA_1R;
1215 }
1216 } else {
1217 dm_pstable.cur_ccasate = CCA_MAX;
1218 }
1219
1220 if (dm_pstable.pre_ccastate != dm_pstable.cur_ccasate) {
1221 if (dm_pstable.cur_ccasate == CCA_1R) {
1222 if (get_rf_type(rtlphy) == RF_2T2R) {
1223 rtl_set_bbreg(hw, ROFDM0_TRXPATHENABLE,
1224 MASKBYTE0, 0x13);
1225 rtl_set_bbreg(hw, 0xe70, MASKBYTE3, 0x20);
1226 } else {
1227 rtl_set_bbreg(hw, ROFDM0_TRXPATHENABLE,
1228 MASKBYTE0, 0x23);
1229 rtl_set_bbreg(hw, 0xe70, 0x7fc00000, 0x10c);
1230 }
1231 } else {
1232 rtl_set_bbreg(hw, ROFDM0_TRXPATHENABLE, MASKBYTE0,
1233 0x33);
1234 rtl_set_bbreg(hw, 0xe70, MASKBYTE3, 0x63);
1235 }
1236 dm_pstable.pre_ccastate = dm_pstable.cur_ccasate;
1237 }
1238
1239 RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD, ("CCAStage = %s\n",
1240 (dm_pstable.cur_ccasate ==
1241 0) ? "1RCCA" : "2RCCA"));
1242}
1243
1244void rtl92c_dm_rf_saving(struct ieee80211_hw *hw, u8 bforce_in_normal)
1245{
1246 static u8 initialize;
1247 static u32 reg_874, reg_c70, reg_85c, reg_a74;
1248
1249 if (initialize == 0) {
1250 reg_874 = (rtl_get_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
1251 MASKDWORD) & 0x1CC000) >> 14;
1252
1253 reg_c70 = (rtl_get_bbreg(hw, ROFDM0_AGCPARAMETER1,
1254 MASKDWORD) & BIT(3)) >> 3;
1255
1256 reg_85c = (rtl_get_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL,
1257 MASKDWORD) & 0xFF000000) >> 24;
1258
1259 reg_a74 = (rtl_get_bbreg(hw, 0xa74, MASKDWORD) & 0xF000) >> 12;
1260
1261 initialize = 1;
1262 }
1263
1264 if (!bforce_in_normal) {
1265 if (dm_pstable.rssi_val_min != 0) {
1266 if (dm_pstable.pre_rfstate == RF_NORMAL) {
1267 if (dm_pstable.rssi_val_min >= 30)
1268 dm_pstable.cur_rfstate = RF_SAVE;
1269 else
1270 dm_pstable.cur_rfstate = RF_NORMAL;
1271 } else {
1272 if (dm_pstable.rssi_val_min <= 25)
1273 dm_pstable.cur_rfstate = RF_NORMAL;
1274 else
1275 dm_pstable.cur_rfstate = RF_SAVE;
1276 }
1277 } else {
1278 dm_pstable.cur_rfstate = RF_MAX;
1279 }
1280 } else {
1281 dm_pstable.cur_rfstate = RF_NORMAL;
1282 }
1283
1284 if (dm_pstable.pre_rfstate != dm_pstable.cur_rfstate) {
1285 if (dm_pstable.cur_rfstate == RF_SAVE) {
1286 rtl_set_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
1287 0x1C0000, 0x2);
1288 rtl_set_bbreg(hw, ROFDM0_AGCPARAMETER1, BIT(3), 0);
1289 rtl_set_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL,
1290 0xFF000000, 0x63);
1291 rtl_set_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
1292 0xC000, 0x2);
1293 rtl_set_bbreg(hw, 0xa74, 0xF000, 0x3);
1294 rtl_set_bbreg(hw, 0x818, BIT(28), 0x0);
1295 rtl_set_bbreg(hw, 0x818, BIT(28), 0x1);
1296 } else {
1297 rtl_set_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
1298 0x1CC000, reg_874);
1299 rtl_set_bbreg(hw, ROFDM0_AGCPARAMETER1, BIT(3),
1300 reg_c70);
1301 rtl_set_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL, 0xFF000000,
1302 reg_85c);
1303 rtl_set_bbreg(hw, 0xa74, 0xF000, reg_a74);
1304 rtl_set_bbreg(hw, 0x818, BIT(28), 0x0);
1305 }
1306
1307 dm_pstable.pre_rfstate = dm_pstable.cur_rfstate;
1308 }
1309}
1310
1311static void rtl92c_dm_dynamic_bb_powersaving(struct ieee80211_hw *hw)
1312{
1313 struct rtl_priv *rtlpriv = rtl_priv(hw);
1314 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1315 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
1316
1317 if (((mac->link_state == MAC80211_NOLINK)) &&
1318 (rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb == 0)) {
1319 dm_pstable.rssi_val_min = 0;
1320 RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD,
1321 ("Not connected to any\n"));
1322 }
1323
1324 if (mac->link_state == MAC80211_LINKED) {
1325 if (mac->opmode == NL80211_IFTYPE_ADHOC) {
1326 dm_pstable.rssi_val_min =
1327 rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb;
1328 RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD,
1329 ("AP Client PWDB = 0x%lx\n",
1330 dm_pstable.rssi_val_min));
1331 } else {
1332 dm_pstable.rssi_val_min =
1333 rtlpriv->dm.undecorated_smoothed_pwdb;
1334 RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD,
1335 ("STA Default Port PWDB = 0x%lx\n",
1336 dm_pstable.rssi_val_min));
1337 }
1338 } else {
1339 dm_pstable.rssi_val_min =
1340 rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb;
1341
1342 RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD,
1343 ("AP Ext Port PWDB = 0x%lx\n",
1344 dm_pstable.rssi_val_min));
1345 }
1346
1347 if (IS_92C_SERIAL(rtlhal->version))
1348 rtl92c_dm_1r_cca(hw);
1349}
1350
1351void rtl92c_dm_init(struct ieee80211_hw *hw)
1352{
1353 struct rtl_priv *rtlpriv = rtl_priv(hw);
1354
1355 rtlpriv->dm.dm_type = DM_TYPE_BYDRIVER;
1356 rtl92c_dm_diginit(hw);
1357 rtl92c_dm_init_dynamic_txpower(hw);
1358 rtl92c_dm_init_edca_turbo(hw);
1359 rtl92c_dm_init_rate_adaptive_mask(hw);
1360 rtl92c_dm_initialize_txpower_tracking(hw);
1361 rtl92c_dm_init_dynamic_bb_powersaving(hw);
1362}
1363
1364void rtl92c_dm_watchdog(struct ieee80211_hw *hw)
1365{
1366 struct rtl_priv *rtlpriv = rtl_priv(hw);
1367 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
1368 bool b_fw_current_inpsmode = false;
1369 bool b_fw_ps_awake = true;
1370
1371 rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_FW_PSMODE_STATUS,
1372 (u8 *) (&b_fw_current_inpsmode));
1373 rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_FWLPS_RF_ON,
1374 (u8 *) (&b_fw_ps_awake));
1375
1376 if ((ppsc->rfpwr_state == ERFON) && ((!b_fw_current_inpsmode) &&
1377 b_fw_ps_awake)
1378 && (!ppsc->rfchange_inprogress)) {
1379 rtl92c_dm_pwdb_monitor(hw);
1380 rtl92c_dm_dig(hw);
1381 rtl92c_dm_false_alarm_counter_statistics(hw);
1382 rtl92c_dm_dynamic_bb_powersaving(hw);
1383 rtl92c_dm_dynamic_txpower(hw);
1384 rtl92c_dm_check_txpower_tracking(hw);
1385 rtl92c_dm_refresh_rate_adaptive_mask(hw);
1386 rtl92c_dm_check_edca_turbo(hw);
1387 }
1388}
Linux kernel - Deliverables
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