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Larry Finger8c96fcf2011-02-11 14:33:58 -06001/******************************************************************************
2 *
Larry Fingerfc616852012-01-07 20:46:43 -06003 * Copyright(c) 2009-2012 Realtek Corporation.
Larry Finger8c96fcf2011-02-11 14:33:58 -06004 *
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
Paul Gortmakeree40fa02011-05-27 16:14:23 -040030#include <linux/export.h>
Larry Finger1472d3a2011-02-23 10:24:58 -060031#include "dm_common.h"
Chaoming_Libeb5bc42011-04-25 12:53:35 -050032#include "phy_common.h"
33#include "../pci.h"
34#include "../base.h"
Larry Finger1472d3a2011-02-23 10:24:58 -060035
Chaoming_Libeb5bc42011-04-25 12:53:35 -050036#define BT_RSSI_STATE_NORMAL_POWER BIT_OFFSET_LEN_MASK_32(0, 1)
37#define BT_RSSI_STATE_AMDPU_OFF BIT_OFFSET_LEN_MASK_32(1, 1)
38#define BT_RSSI_STATE_SPECIAL_LOW BIT_OFFSET_LEN_MASK_32(2, 1)
39#define BT_RSSI_STATE_BG_EDCA_LOW BIT_OFFSET_LEN_MASK_32(3, 1)
40#define BT_RSSI_STATE_TXPOWER_LOW BIT_OFFSET_LEN_MASK_32(4, 1)
41
42#define RTLPRIV (struct rtl_priv *)
43#define GET_UNDECORATED_AVERAGE_RSSI(_priv) \
44 ((RTLPRIV(_priv))->mac80211.opmode == \
45 NL80211_IFTYPE_ADHOC) ? \
Larry Fingerda17fcf2012-10-25 13:46:31 -050046 ((RTLPRIV(_priv))->dm.entry_min_undec_sm_pwdb) : \
47 ((RTLPRIV(_priv))->dm.undec_sm_pwdb)
Chaoming_Libeb5bc42011-04-25 12:53:35 -050048
Larry Finger8c96fcf2011-02-11 14:33:58 -060049static const u32 ofdmswing_table[OFDM_TABLE_SIZE] = {
50 0x7f8001fe,
51 0x788001e2,
52 0x71c001c7,
53 0x6b8001ae,
54 0x65400195,
55 0x5fc0017f,
56 0x5a400169,
57 0x55400155,
58 0x50800142,
59 0x4c000130,
60 0x47c0011f,
61 0x43c0010f,
62 0x40000100,
63 0x3c8000f2,
64 0x390000e4,
65 0x35c000d7,
66 0x32c000cb,
67 0x300000c0,
68 0x2d4000b5,
69 0x2ac000ab,
70 0x288000a2,
71 0x26000098,
72 0x24000090,
73 0x22000088,
74 0x20000080,
75 0x1e400079,
76 0x1c800072,
77 0x1b00006c,
78 0x19800066,
79 0x18000060,
80 0x16c0005b,
81 0x15800056,
82 0x14400051,
83 0x1300004c,
84 0x12000048,
85 0x11000044,
86 0x10000040,
87};
88
89static const u8 cckswing_table_ch1ch13[CCK_TABLE_SIZE][8] = {
90 {0x36, 0x35, 0x2e, 0x25, 0x1c, 0x12, 0x09, 0x04},
91 {0x33, 0x32, 0x2b, 0x23, 0x1a, 0x11, 0x08, 0x04},
92 {0x30, 0x2f, 0x29, 0x21, 0x19, 0x10, 0x08, 0x03},
93 {0x2d, 0x2d, 0x27, 0x1f, 0x18, 0x0f, 0x08, 0x03},
94 {0x2b, 0x2a, 0x25, 0x1e, 0x16, 0x0e, 0x07, 0x03},
95 {0x28, 0x28, 0x22, 0x1c, 0x15, 0x0d, 0x07, 0x03},
96 {0x26, 0x25, 0x21, 0x1b, 0x14, 0x0d, 0x06, 0x03},
97 {0x24, 0x23, 0x1f, 0x19, 0x13, 0x0c, 0x06, 0x03},
98 {0x22, 0x21, 0x1d, 0x18, 0x11, 0x0b, 0x06, 0x02},
99 {0x20, 0x20, 0x1b, 0x16, 0x11, 0x08, 0x05, 0x02},
100 {0x1f, 0x1e, 0x1a, 0x15, 0x10, 0x0a, 0x05, 0x02},
101 {0x1d, 0x1c, 0x18, 0x14, 0x0f, 0x0a, 0x05, 0x02},
102 {0x1b, 0x1a, 0x17, 0x13, 0x0e, 0x09, 0x04, 0x02},
103 {0x1a, 0x19, 0x16, 0x12, 0x0d, 0x09, 0x04, 0x02},
104 {0x18, 0x17, 0x15, 0x11, 0x0c, 0x08, 0x04, 0x02},
105 {0x17, 0x16, 0x13, 0x10, 0x0c, 0x08, 0x04, 0x02},
106 {0x16, 0x15, 0x12, 0x0f, 0x0b, 0x07, 0x04, 0x01},
107 {0x14, 0x14, 0x11, 0x0e, 0x0b, 0x07, 0x03, 0x02},
108 {0x13, 0x13, 0x10, 0x0d, 0x0a, 0x06, 0x03, 0x01},
109 {0x12, 0x12, 0x0f, 0x0c, 0x09, 0x06, 0x03, 0x01},
110 {0x11, 0x11, 0x0f, 0x0c, 0x09, 0x06, 0x03, 0x01},
111 {0x10, 0x10, 0x0e, 0x0b, 0x08, 0x05, 0x03, 0x01},
112 {0x0f, 0x0f, 0x0d, 0x0b, 0x08, 0x05, 0x03, 0x01},
113 {0x0e, 0x0e, 0x0c, 0x0a, 0x08, 0x05, 0x02, 0x01},
114 {0x0d, 0x0d, 0x0c, 0x0a, 0x07, 0x05, 0x02, 0x01},
115 {0x0d, 0x0c, 0x0b, 0x09, 0x07, 0x04, 0x02, 0x01},
116 {0x0c, 0x0c, 0x0a, 0x09, 0x06, 0x04, 0x02, 0x01},
117 {0x0b, 0x0b, 0x0a, 0x08, 0x06, 0x04, 0x02, 0x01},
118 {0x0b, 0x0a, 0x09, 0x08, 0x06, 0x04, 0x02, 0x01},
119 {0x0a, 0x0a, 0x09, 0x07, 0x05, 0x03, 0x02, 0x01},
120 {0x0a, 0x09, 0x08, 0x07, 0x05, 0x03, 0x02, 0x01},
121 {0x09, 0x09, 0x08, 0x06, 0x05, 0x03, 0x01, 0x01},
122 {0x09, 0x08, 0x07, 0x06, 0x04, 0x03, 0x01, 0x01}
123};
124
125static const u8 cckswing_table_ch14[CCK_TABLE_SIZE][8] = {
126 {0x36, 0x35, 0x2e, 0x1b, 0x00, 0x00, 0x00, 0x00},
127 {0x33, 0x32, 0x2b, 0x19, 0x00, 0x00, 0x00, 0x00},
128 {0x30, 0x2f, 0x29, 0x18, 0x00, 0x00, 0x00, 0x00},
129 {0x2d, 0x2d, 0x17, 0x17, 0x00, 0x00, 0x00, 0x00},
130 {0x2b, 0x2a, 0x25, 0x15, 0x00, 0x00, 0x00, 0x00},
131 {0x28, 0x28, 0x24, 0x14, 0x00, 0x00, 0x00, 0x00},
132 {0x26, 0x25, 0x21, 0x13, 0x00, 0x00, 0x00, 0x00},
133 {0x24, 0x23, 0x1f, 0x12, 0x00, 0x00, 0x00, 0x00},
134 {0x22, 0x21, 0x1d, 0x11, 0x00, 0x00, 0x00, 0x00},
135 {0x20, 0x20, 0x1b, 0x10, 0x00, 0x00, 0x00, 0x00},
136 {0x1f, 0x1e, 0x1a, 0x0f, 0x00, 0x00, 0x00, 0x00},
137 {0x1d, 0x1c, 0x18, 0x0e, 0x00, 0x00, 0x00, 0x00},
138 {0x1b, 0x1a, 0x17, 0x0e, 0x00, 0x00, 0x00, 0x00},
139 {0x1a, 0x19, 0x16, 0x0d, 0x00, 0x00, 0x00, 0x00},
140 {0x18, 0x17, 0x15, 0x0c, 0x00, 0x00, 0x00, 0x00},
141 {0x17, 0x16, 0x13, 0x0b, 0x00, 0x00, 0x00, 0x00},
142 {0x16, 0x15, 0x12, 0x0b, 0x00, 0x00, 0x00, 0x00},
143 {0x14, 0x14, 0x11, 0x0a, 0x00, 0x00, 0x00, 0x00},
144 {0x13, 0x13, 0x10, 0x0a, 0x00, 0x00, 0x00, 0x00},
145 {0x12, 0x12, 0x0f, 0x09, 0x00, 0x00, 0x00, 0x00},
146 {0x11, 0x11, 0x0f, 0x09, 0x00, 0x00, 0x00, 0x00},
147 {0x10, 0x10, 0x0e, 0x08, 0x00, 0x00, 0x00, 0x00},
148 {0x0f, 0x0f, 0x0d, 0x08, 0x00, 0x00, 0x00, 0x00},
149 {0x0e, 0x0e, 0x0c, 0x07, 0x00, 0x00, 0x00, 0x00},
150 {0x0d, 0x0d, 0x0c, 0x07, 0x00, 0x00, 0x00, 0x00},
151 {0x0d, 0x0c, 0x0b, 0x06, 0x00, 0x00, 0x00, 0x00},
152 {0x0c, 0x0c, 0x0a, 0x06, 0x00, 0x00, 0x00, 0x00},
153 {0x0b, 0x0b, 0x0a, 0x06, 0x00, 0x00, 0x00, 0x00},
154 {0x0b, 0x0a, 0x09, 0x05, 0x00, 0x00, 0x00, 0x00},
155 {0x0a, 0x0a, 0x09, 0x05, 0x00, 0x00, 0x00, 0x00},
156 {0x0a, 0x09, 0x08, 0x05, 0x00, 0x00, 0x00, 0x00},
157 {0x09, 0x09, 0x08, 0x05, 0x00, 0x00, 0x00, 0x00},
158 {0x09, 0x08, 0x07, 0x04, 0x00, 0x00, 0x00, 0x00}
159};
160
Larry Finger97204e92013-11-18 11:11:32 -0600161static u32 power_index_reg[6] = {0xc90, 0xc91, 0xc92, 0xc98, 0xc99, 0xc9a};
162
163void dm_restorepowerindex(struct ieee80211_hw *hw)
164{
165 struct rtl_priv *rtlpriv = rtl_priv(hw);
166 u8 index;
167
168 for (index = 0; index < 6; index++)
169 rtl_write_byte(rtlpriv, power_index_reg[index],
170 rtlpriv->dm.powerindex_backup[index]);
171}
172EXPORT_SYMBOL_GPL(dm_restorepowerindex);
173
174void dm_writepowerindex(struct ieee80211_hw *hw, u8 value)
175{
176 struct rtl_priv *rtlpriv = rtl_priv(hw);
177 u8 index;
178
179 for (index = 0; index < 6; index++)
180 rtl_write_byte(rtlpriv, power_index_reg[index], value);
181}
182EXPORT_SYMBOL_GPL(dm_writepowerindex);
183
184void dm_savepowerindex(struct ieee80211_hw *hw)
185{
186 struct rtl_priv *rtlpriv = rtl_priv(hw);
187 u8 index;
188 u8 tmp;
189
190 for (index = 0; index < 6; index++) {
191 tmp = rtl_read_byte(rtlpriv, power_index_reg[index]);
192 rtlpriv->dm.powerindex_backup[index] = tmp;
193 }
194}
195EXPORT_SYMBOL_GPL(dm_savepowerindex);
196
Larry Finger8c96fcf2011-02-11 14:33:58 -0600197static void rtl92c_dm_diginit(struct ieee80211_hw *hw)
198{
Larry Finger40332e52012-04-19 16:32:41 -0500199 struct rtl_priv *rtlpriv = rtl_priv(hw);
200 struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
201
202 dm_digtable->dig_enable_flag = true;
203 dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
204 dm_digtable->cur_igvalue = 0x20;
205 dm_digtable->pre_igvalue = 0x0;
Larry Fingerda17fcf2012-10-25 13:46:31 -0500206 dm_digtable->cursta_cstate = DIG_STA_DISCONNECT;
207 dm_digtable->presta_cstate = DIG_STA_DISCONNECT;
208 dm_digtable->curmultista_cstate = DIG_MULTISTA_DISCONNECT;
Larry Finger40332e52012-04-19 16:32:41 -0500209 dm_digtable->rssi_lowthresh = DM_DIG_THRESH_LOW;
210 dm_digtable->rssi_highthresh = DM_DIG_THRESH_HIGH;
211 dm_digtable->fa_lowthresh = DM_FALSEALARM_THRESH_LOW;
212 dm_digtable->fa_highthresh = DM_FALSEALARM_THRESH_HIGH;
Larry Fingere6deaf82013-03-24 22:06:55 -0500213 dm_digtable->rx_gain_max = DM_DIG_MAX;
214 dm_digtable->rx_gain_min = DM_DIG_MIN;
Larry Fingerda17fcf2012-10-25 13:46:31 -0500215 dm_digtable->back_val = DM_DIG_BACKOFF_DEFAULT;
216 dm_digtable->back_range_max = DM_DIG_BACKOFF_MAX;
217 dm_digtable->back_range_min = DM_DIG_BACKOFF_MIN;
Larry Finger40332e52012-04-19 16:32:41 -0500218 dm_digtable->pre_cck_pd_state = CCK_PD_STAGE_MAX;
219 dm_digtable->cur_cck_pd_state = CCK_PD_STAGE_MAX;
Larry Finger8c96fcf2011-02-11 14:33:58 -0600220}
221
222static u8 rtl92c_dm_initial_gain_min_pwdb(struct ieee80211_hw *hw)
223{
224 struct rtl_priv *rtlpriv = rtl_priv(hw);
Larry Finger40332e52012-04-19 16:32:41 -0500225 struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
Larry Finger8c96fcf2011-02-11 14:33:58 -0600226 long rssi_val_min = 0;
227
Larry Fingerda17fcf2012-10-25 13:46:31 -0500228 if ((dm_digtable->curmultista_cstate == DIG_MULTISTA_CONNECT) &&
229 (dm_digtable->cursta_cstate == DIG_STA_CONNECT)) {
230 if (rtlpriv->dm.entry_min_undec_sm_pwdb != 0)
Larry Finger8c96fcf2011-02-11 14:33:58 -0600231 rssi_val_min =
Larry Fingerda17fcf2012-10-25 13:46:31 -0500232 (rtlpriv->dm.entry_min_undec_sm_pwdb >
233 rtlpriv->dm.undec_sm_pwdb) ?
234 rtlpriv->dm.undec_sm_pwdb :
235 rtlpriv->dm.entry_min_undec_sm_pwdb;
Larry Finger8c96fcf2011-02-11 14:33:58 -0600236 else
Larry Fingerda17fcf2012-10-25 13:46:31 -0500237 rssi_val_min = rtlpriv->dm.undec_sm_pwdb;
238 } else if (dm_digtable->cursta_cstate == DIG_STA_CONNECT ||
239 dm_digtable->cursta_cstate == DIG_STA_BEFORE_CONNECT) {
240 rssi_val_min = rtlpriv->dm.undec_sm_pwdb;
241 } else if (dm_digtable->curmultista_cstate == DIG_MULTISTA_CONNECT) {
242 rssi_val_min = rtlpriv->dm.entry_min_undec_sm_pwdb;
Larry Finger8c96fcf2011-02-11 14:33:58 -0600243 }
244
245 return (u8) rssi_val_min;
246}
247
248static void rtl92c_dm_false_alarm_counter_statistics(struct ieee80211_hw *hw)
249{
250 u32 ret_value;
251 struct rtl_priv *rtlpriv = rtl_priv(hw);
252 struct false_alarm_statistics *falsealm_cnt = &(rtlpriv->falsealm_cnt);
253
254 ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER1, MASKDWORD);
255 falsealm_cnt->cnt_parity_fail = ((ret_value & 0xffff0000) >> 16);
256
257 ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER2, MASKDWORD);
258 falsealm_cnt->cnt_rate_illegal = (ret_value & 0xffff);
259 falsealm_cnt->cnt_crc8_fail = ((ret_value & 0xffff0000) >> 16);
260
261 ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER3, MASKDWORD);
262 falsealm_cnt->cnt_mcs_fail = (ret_value & 0xffff);
263 falsealm_cnt->cnt_ofdm_fail = falsealm_cnt->cnt_parity_fail +
264 falsealm_cnt->cnt_rate_illegal +
265 falsealm_cnt->cnt_crc8_fail + falsealm_cnt->cnt_mcs_fail;
266
267 rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT, BIT(14), 1);
268 ret_value = rtl_get_bbreg(hw, RCCK0_FACOUNTERLOWER, MASKBYTE0);
269 falsealm_cnt->cnt_cck_fail = ret_value;
270
271 ret_value = rtl_get_bbreg(hw, RCCK0_FACOUNTERUPPER, MASKBYTE3);
272 falsealm_cnt->cnt_cck_fail += (ret_value & 0xff) << 8;
273 falsealm_cnt->cnt_all = (falsealm_cnt->cnt_parity_fail +
274 falsealm_cnt->cnt_rate_illegal +
275 falsealm_cnt->cnt_crc8_fail +
276 falsealm_cnt->cnt_mcs_fail +
277 falsealm_cnt->cnt_cck_fail);
278
279 rtl_set_bbreg(hw, ROFDM1_LSTF, 0x08000000, 1);
280 rtl_set_bbreg(hw, ROFDM1_LSTF, 0x08000000, 0);
281 rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT, 0x0000c000, 0);
282 rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT, 0x0000c000, 2);
283
284 RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
Joe Perchesf30d7502012-01-04 19:40:41 -0800285 "cnt_parity_fail = %d, cnt_rate_illegal = %d, cnt_crc8_fail = %d, cnt_mcs_fail = %d\n",
286 falsealm_cnt->cnt_parity_fail,
287 falsealm_cnt->cnt_rate_illegal,
288 falsealm_cnt->cnt_crc8_fail, falsealm_cnt->cnt_mcs_fail);
Larry Finger8c96fcf2011-02-11 14:33:58 -0600289
290 RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
Joe Perchesf30d7502012-01-04 19:40:41 -0800291 "cnt_ofdm_fail = %x, cnt_cck_fail = %x, cnt_all = %x\n",
292 falsealm_cnt->cnt_ofdm_fail,
293 falsealm_cnt->cnt_cck_fail, falsealm_cnt->cnt_all);
Larry Finger8c96fcf2011-02-11 14:33:58 -0600294}
295
296static void rtl92c_dm_ctrl_initgain_by_fa(struct ieee80211_hw *hw)
297{
298 struct rtl_priv *rtlpriv = rtl_priv(hw);
Larry Finger40332e52012-04-19 16:32:41 -0500299 struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
300 u8 value_igi = dm_digtable->cur_igvalue;
Larry Finger8c96fcf2011-02-11 14:33:58 -0600301
302 if (rtlpriv->falsealm_cnt.cnt_all < DM_DIG_FA_TH0)
303 value_igi--;
304 else if (rtlpriv->falsealm_cnt.cnt_all < DM_DIG_FA_TH1)
305 value_igi += 0;
306 else if (rtlpriv->falsealm_cnt.cnt_all < DM_DIG_FA_TH2)
307 value_igi++;
308 else if (rtlpriv->falsealm_cnt.cnt_all >= DM_DIG_FA_TH2)
309 value_igi += 2;
310 if (value_igi > DM_DIG_FA_UPPER)
311 value_igi = DM_DIG_FA_UPPER;
312 else if (value_igi < DM_DIG_FA_LOWER)
313 value_igi = DM_DIG_FA_LOWER;
314 if (rtlpriv->falsealm_cnt.cnt_all > 10000)
315 value_igi = 0x32;
316
Larry Finger40332e52012-04-19 16:32:41 -0500317 dm_digtable->cur_igvalue = value_igi;
Larry Finger8c96fcf2011-02-11 14:33:58 -0600318 rtl92c_dm_write_dig(hw);
319}
320
321static void rtl92c_dm_ctrl_initgain_by_rssi(struct ieee80211_hw *hw)
322{
323 struct rtl_priv *rtlpriv = rtl_priv(hw);
Larry Fingerda17fcf2012-10-25 13:46:31 -0500324 struct dig_t *digtable = &rtlpriv->dm_digtable;
Larry Finger8c96fcf2011-02-11 14:33:58 -0600325
Larry Fingerda17fcf2012-10-25 13:46:31 -0500326 if (rtlpriv->falsealm_cnt.cnt_all > digtable->fa_highthresh) {
327 if ((digtable->back_val - 2) < digtable->back_range_min)
328 digtable->back_val = digtable->back_range_min;
Larry Finger8c96fcf2011-02-11 14:33:58 -0600329 else
Larry Fingerda17fcf2012-10-25 13:46:31 -0500330 digtable->back_val -= 2;
331 } else if (rtlpriv->falsealm_cnt.cnt_all < digtable->fa_lowthresh) {
332 if ((digtable->back_val + 2) > digtable->back_range_max)
333 digtable->back_val = digtable->back_range_max;
Larry Finger8c96fcf2011-02-11 14:33:58 -0600334 else
Larry Fingerda17fcf2012-10-25 13:46:31 -0500335 digtable->back_val += 2;
Larry Finger8c96fcf2011-02-11 14:33:58 -0600336 }
337
Larry Fingerda17fcf2012-10-25 13:46:31 -0500338 if ((digtable->rssi_val_min + 10 - digtable->back_val) >
Larry Fingere6deaf82013-03-24 22:06:55 -0500339 digtable->rx_gain_max)
340 digtable->cur_igvalue = digtable->rx_gain_max;
Larry Fingerda17fcf2012-10-25 13:46:31 -0500341 else if ((digtable->rssi_val_min + 10 -
Larry Fingere6deaf82013-03-24 22:06:55 -0500342 digtable->back_val) < digtable->rx_gain_min)
343 digtable->cur_igvalue = digtable->rx_gain_min;
Larry Finger8c96fcf2011-02-11 14:33:58 -0600344 else
Larry Fingerda17fcf2012-10-25 13:46:31 -0500345 digtable->cur_igvalue = digtable->rssi_val_min + 10 -
346 digtable->back_val;
Larry Finger8c96fcf2011-02-11 14:33:58 -0600347
348 RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
Larry Fingerda17fcf2012-10-25 13:46:31 -0500349 "rssi_val_min = %x back_val %x\n",
350 digtable->rssi_val_min, digtable->back_val);
Larry Finger8c96fcf2011-02-11 14:33:58 -0600351
352 rtl92c_dm_write_dig(hw);
353}
354
355static void rtl92c_dm_initial_gain_multi_sta(struct ieee80211_hw *hw)
356{
Chaoming_Li2b8359f2011-04-25 12:53:55 -0500357 static u8 initialized; /* initialized to false */
Larry Finger8c96fcf2011-02-11 14:33:58 -0600358 struct rtl_priv *rtlpriv = rtl_priv(hw);
Larry Finger40332e52012-04-19 16:32:41 -0500359 struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
Larry Finger8c96fcf2011-02-11 14:33:58 -0600360 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
Larry Fingerda17fcf2012-10-25 13:46:31 -0500361 long rssi_strength = rtlpriv->dm.entry_min_undec_sm_pwdb;
Larry Finger7ea47242011-02-19 16:28:57 -0600362 bool multi_sta = false;
Larry Finger8c96fcf2011-02-11 14:33:58 -0600363
364 if (mac->opmode == NL80211_IFTYPE_ADHOC)
Larry Finger7ea47242011-02-19 16:28:57 -0600365 multi_sta = true;
Larry Finger8c96fcf2011-02-11 14:33:58 -0600366
Joe Perches23677ce2012-02-09 11:17:23 +0000367 if (!multi_sta ||
Larry Fingerda17fcf2012-10-25 13:46:31 -0500368 dm_digtable->cursta_cstate != DIG_STA_DISCONNECT) {
Chaoming_Li2b8359f2011-04-25 12:53:55 -0500369 initialized = false;
Larry Finger40332e52012-04-19 16:32:41 -0500370 dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
Larry Finger8c96fcf2011-02-11 14:33:58 -0600371 return;
Chaoming_Li2b8359f2011-04-25 12:53:55 -0500372 } else if (initialized == false) {
373 initialized = true;
Larry Finger40332e52012-04-19 16:32:41 -0500374 dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_0;
375 dm_digtable->cur_igvalue = 0x20;
Larry Finger8c96fcf2011-02-11 14:33:58 -0600376 rtl92c_dm_write_dig(hw);
377 }
378
Larry Fingerda17fcf2012-10-25 13:46:31 -0500379 if (dm_digtable->curmultista_cstate == DIG_MULTISTA_CONNECT) {
Larry Finger40332e52012-04-19 16:32:41 -0500380 if ((rssi_strength < dm_digtable->rssi_lowthresh) &&
381 (dm_digtable->dig_ext_port_stage != DIG_EXT_PORT_STAGE_1)) {
Larry Finger8c96fcf2011-02-11 14:33:58 -0600382
Larry Finger40332e52012-04-19 16:32:41 -0500383 if (dm_digtable->dig_ext_port_stage ==
Larry Finger8c96fcf2011-02-11 14:33:58 -0600384 DIG_EXT_PORT_STAGE_2) {
Larry Finger40332e52012-04-19 16:32:41 -0500385 dm_digtable->cur_igvalue = 0x20;
Larry Finger8c96fcf2011-02-11 14:33:58 -0600386 rtl92c_dm_write_dig(hw);
387 }
388
Larry Finger40332e52012-04-19 16:32:41 -0500389 dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_1;
390 } else if (rssi_strength > dm_digtable->rssi_highthresh) {
391 dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_2;
Larry Finger8c96fcf2011-02-11 14:33:58 -0600392 rtl92c_dm_ctrl_initgain_by_fa(hw);
393 }
Larry Finger40332e52012-04-19 16:32:41 -0500394 } else if (dm_digtable->dig_ext_port_stage != DIG_EXT_PORT_STAGE_0) {
395 dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_0;
396 dm_digtable->cur_igvalue = 0x20;
Larry Finger8c96fcf2011-02-11 14:33:58 -0600397 rtl92c_dm_write_dig(hw);
398 }
399
400 RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
Larry Fingerda17fcf2012-10-25 13:46:31 -0500401 "curmultista_cstate = %x dig_ext_port_stage %x\n",
402 dm_digtable->curmultista_cstate,
Larry Finger40332e52012-04-19 16:32:41 -0500403 dm_digtable->dig_ext_port_stage);
Larry Finger8c96fcf2011-02-11 14:33:58 -0600404}
405
406static void rtl92c_dm_initial_gain_sta(struct ieee80211_hw *hw)
407{
408 struct rtl_priv *rtlpriv = rtl_priv(hw);
Larry Finger40332e52012-04-19 16:32:41 -0500409 struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
Larry Finger8c96fcf2011-02-11 14:33:58 -0600410
411 RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
Larry Fingerda17fcf2012-10-25 13:46:31 -0500412 "presta_cstate = %x, cursta_cstate = %x\n",
413 dm_digtable->presta_cstate, dm_digtable->cursta_cstate);
Larry Finger8c96fcf2011-02-11 14:33:58 -0600414
Larry Fingerda17fcf2012-10-25 13:46:31 -0500415 if (dm_digtable->presta_cstate == dm_digtable->cursta_cstate ||
416 dm_digtable->cursta_cstate == DIG_STA_BEFORE_CONNECT ||
417 dm_digtable->cursta_cstate == DIG_STA_CONNECT) {
Larry Finger8c96fcf2011-02-11 14:33:58 -0600418
Larry Fingerda17fcf2012-10-25 13:46:31 -0500419 if (dm_digtable->cursta_cstate != DIG_STA_DISCONNECT) {
Larry Finger40332e52012-04-19 16:32:41 -0500420 dm_digtable->rssi_val_min =
Larry Finger8c96fcf2011-02-11 14:33:58 -0600421 rtl92c_dm_initial_gain_min_pwdb(hw);
422 rtl92c_dm_ctrl_initgain_by_rssi(hw);
423 }
424 } else {
Larry Finger40332e52012-04-19 16:32:41 -0500425 dm_digtable->rssi_val_min = 0;
426 dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
Larry Fingerda17fcf2012-10-25 13:46:31 -0500427 dm_digtable->back_val = DM_DIG_BACKOFF_DEFAULT;
Larry Finger40332e52012-04-19 16:32:41 -0500428 dm_digtable->cur_igvalue = 0x20;
429 dm_digtable->pre_igvalue = 0;
Larry Finger8c96fcf2011-02-11 14:33:58 -0600430 rtl92c_dm_write_dig(hw);
431 }
432}
433
434static void rtl92c_dm_cck_packet_detection_thresh(struct ieee80211_hw *hw)
435{
436 struct rtl_priv *rtlpriv = rtl_priv(hw);
437 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
Larry Finger40332e52012-04-19 16:32:41 -0500438 struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
Larry Finger8c96fcf2011-02-11 14:33:58 -0600439
Larry Fingerda17fcf2012-10-25 13:46:31 -0500440 if (dm_digtable->cursta_cstate == DIG_STA_CONNECT) {
Larry Finger40332e52012-04-19 16:32:41 -0500441 dm_digtable->rssi_val_min = rtl92c_dm_initial_gain_min_pwdb(hw);
Larry Finger8c96fcf2011-02-11 14:33:58 -0600442
Larry Finger40332e52012-04-19 16:32:41 -0500443 if (dm_digtable->pre_cck_pd_state == CCK_PD_STAGE_LowRssi) {
444 if (dm_digtable->rssi_val_min <= 25)
445 dm_digtable->cur_cck_pd_state =
Larry Finger8c96fcf2011-02-11 14:33:58 -0600446 CCK_PD_STAGE_LowRssi;
447 else
Larry Finger40332e52012-04-19 16:32:41 -0500448 dm_digtable->cur_cck_pd_state =
Larry Finger8c96fcf2011-02-11 14:33:58 -0600449 CCK_PD_STAGE_HighRssi;
450 } else {
Larry Finger40332e52012-04-19 16:32:41 -0500451 if (dm_digtable->rssi_val_min <= 20)
452 dm_digtable->cur_cck_pd_state =
Larry Finger8c96fcf2011-02-11 14:33:58 -0600453 CCK_PD_STAGE_LowRssi;
454 else
Larry Finger40332e52012-04-19 16:32:41 -0500455 dm_digtable->cur_cck_pd_state =
Larry Finger8c96fcf2011-02-11 14:33:58 -0600456 CCK_PD_STAGE_HighRssi;
457 }
458 } else {
Larry Finger40332e52012-04-19 16:32:41 -0500459 dm_digtable->cur_cck_pd_state = CCK_PD_STAGE_MAX;
Larry Finger8c96fcf2011-02-11 14:33:58 -0600460 }
461
Larry Finger40332e52012-04-19 16:32:41 -0500462 if (dm_digtable->pre_cck_pd_state != dm_digtable->cur_cck_pd_state) {
463 if (dm_digtable->cur_cck_pd_state == CCK_PD_STAGE_LowRssi) {
Larry Finger8c96fcf2011-02-11 14:33:58 -0600464 if (rtlpriv->falsealm_cnt.cnt_cck_fail > 800)
Larry Finger40332e52012-04-19 16:32:41 -0500465 dm_digtable->cur_cck_fa_state =
Larry Finger8c96fcf2011-02-11 14:33:58 -0600466 CCK_FA_STAGE_High;
467 else
Larry Finger40332e52012-04-19 16:32:41 -0500468 dm_digtable->cur_cck_fa_state = CCK_FA_STAGE_Low;
Larry Finger8c96fcf2011-02-11 14:33:58 -0600469
Larry Finger40332e52012-04-19 16:32:41 -0500470 if (dm_digtable->pre_cck_fa_state !=
471 dm_digtable->cur_cck_fa_state) {
472 if (dm_digtable->cur_cck_fa_state ==
Larry Finger8c96fcf2011-02-11 14:33:58 -0600473 CCK_FA_STAGE_Low)
474 rtl_set_bbreg(hw, RCCK0_CCA, MASKBYTE2,
475 0x83);
476 else
477 rtl_set_bbreg(hw, RCCK0_CCA, MASKBYTE2,
478 0xcd);
479
Larry Finger40332e52012-04-19 16:32:41 -0500480 dm_digtable->pre_cck_fa_state =
481 dm_digtable->cur_cck_fa_state;
Larry Finger8c96fcf2011-02-11 14:33:58 -0600482 }
483
484 rtl_set_bbreg(hw, RCCK0_SYSTEM, MASKBYTE1, 0x40);
485
486 if (IS_92C_SERIAL(rtlhal->version))
487 rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT,
488 MASKBYTE2, 0xd7);
489 } else {
490 rtl_set_bbreg(hw, RCCK0_CCA, MASKBYTE2, 0xcd);
491 rtl_set_bbreg(hw, RCCK0_SYSTEM, MASKBYTE1, 0x47);
492
493 if (IS_92C_SERIAL(rtlhal->version))
494 rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT,
495 MASKBYTE2, 0xd3);
496 }
Larry Finger40332e52012-04-19 16:32:41 -0500497 dm_digtable->pre_cck_pd_state = dm_digtable->cur_cck_pd_state;
Larry Finger8c96fcf2011-02-11 14:33:58 -0600498 }
499
Joe Perchesf30d7502012-01-04 19:40:41 -0800500 RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE, "CCKPDStage=%x\n",
Larry Finger40332e52012-04-19 16:32:41 -0500501 dm_digtable->cur_cck_pd_state);
Larry Finger8c96fcf2011-02-11 14:33:58 -0600502
Joe Perchesf30d7502012-01-04 19:40:41 -0800503 RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE, "is92C=%x\n",
504 IS_92C_SERIAL(rtlhal->version));
Larry Finger8c96fcf2011-02-11 14:33:58 -0600505}
506
507static void rtl92c_dm_ctrl_initgain_by_twoport(struct ieee80211_hw *hw)
508{
Larry Finger40332e52012-04-19 16:32:41 -0500509 struct rtl_priv *rtlpriv = rtl_priv(hw);
510 struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
Larry Finger8c96fcf2011-02-11 14:33:58 -0600511 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
512
Mike McCormacke10542c2011-06-20 10:47:51 +0900513 if (mac->act_scanning)
Larry Finger8c96fcf2011-02-11 14:33:58 -0600514 return;
515
Chaoming_Libeb5bc42011-04-25 12:53:35 -0500516 if (mac->link_state >= MAC80211_LINKED)
Larry Fingerda17fcf2012-10-25 13:46:31 -0500517 dm_digtable->cursta_cstate = DIG_STA_CONNECT;
Larry Finger8c96fcf2011-02-11 14:33:58 -0600518 else
Larry Fingerda17fcf2012-10-25 13:46:31 -0500519 dm_digtable->cursta_cstate = DIG_STA_DISCONNECT;
Larry Finger8c96fcf2011-02-11 14:33:58 -0600520
521 rtl92c_dm_initial_gain_sta(hw);
522 rtl92c_dm_initial_gain_multi_sta(hw);
523 rtl92c_dm_cck_packet_detection_thresh(hw);
524
Larry Fingerda17fcf2012-10-25 13:46:31 -0500525 dm_digtable->presta_cstate = dm_digtable->cursta_cstate;
Larry Finger8c96fcf2011-02-11 14:33:58 -0600526
527}
528
529static void rtl92c_dm_dig(struct ieee80211_hw *hw)
530{
531 struct rtl_priv *rtlpriv = rtl_priv(hw);
Larry Finger40332e52012-04-19 16:32:41 -0500532 struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
Larry Finger8c96fcf2011-02-11 14:33:58 -0600533
Larry Finger7ea47242011-02-19 16:28:57 -0600534 if (rtlpriv->dm.dm_initialgain_enable == false)
Larry Finger8c96fcf2011-02-11 14:33:58 -0600535 return;
Larry Finger40332e52012-04-19 16:32:41 -0500536 if (dm_digtable->dig_enable_flag == false)
Larry Finger8c96fcf2011-02-11 14:33:58 -0600537 return;
538
539 rtl92c_dm_ctrl_initgain_by_twoport(hw);
540
541}
542
543static void rtl92c_dm_init_dynamic_txpower(struct ieee80211_hw *hw)
544{
545 struct rtl_priv *rtlpriv = rtl_priv(hw);
546
Larry Finger7ea47242011-02-19 16:28:57 -0600547 rtlpriv->dm.dynamic_txpower_enable = false;
Larry Finger8c96fcf2011-02-11 14:33:58 -0600548
549 rtlpriv->dm.last_dtp_lvl = TXHIGHPWRLEVEL_NORMAL;
550 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
551}
552
553void rtl92c_dm_write_dig(struct ieee80211_hw *hw)
554{
555 struct rtl_priv *rtlpriv = rtl_priv(hw);
Larry Finger40332e52012-04-19 16:32:41 -0500556 struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
Larry Finger8c96fcf2011-02-11 14:33:58 -0600557
558 RT_TRACE(rtlpriv, COMP_DIG, DBG_LOUD,
Larry Fingerda17fcf2012-10-25 13:46:31 -0500559 "cur_igvalue = 0x%x, pre_igvalue = 0x%x, back_val = %d\n",
Larry Finger40332e52012-04-19 16:32:41 -0500560 dm_digtable->cur_igvalue, dm_digtable->pre_igvalue,
Larry Fingerda17fcf2012-10-25 13:46:31 -0500561 dm_digtable->back_val);
Larry Finger8c96fcf2011-02-11 14:33:58 -0600562
Larry Finger40332e52012-04-19 16:32:41 -0500563 dm_digtable->cur_igvalue += 2;
564 if (dm_digtable->cur_igvalue > 0x3f)
565 dm_digtable->cur_igvalue = 0x3f;
Jingjun Wua9b89e22012-03-02 20:52:14 -0600566
Larry Finger40332e52012-04-19 16:32:41 -0500567 if (dm_digtable->pre_igvalue != dm_digtable->cur_igvalue) {
Larry Finger8c96fcf2011-02-11 14:33:58 -0600568 rtl_set_bbreg(hw, ROFDM0_XAAGCCORE1, 0x7f,
Larry Finger40332e52012-04-19 16:32:41 -0500569 dm_digtable->cur_igvalue);
Larry Finger8c96fcf2011-02-11 14:33:58 -0600570 rtl_set_bbreg(hw, ROFDM0_XBAGCCORE1, 0x7f,
Larry Finger40332e52012-04-19 16:32:41 -0500571 dm_digtable->cur_igvalue);
Larry Finger8c96fcf2011-02-11 14:33:58 -0600572
Larry Finger40332e52012-04-19 16:32:41 -0500573 dm_digtable->pre_igvalue = dm_digtable->cur_igvalue;
Larry Finger8c96fcf2011-02-11 14:33:58 -0600574 }
575}
Larry Finger1472d3a2011-02-23 10:24:58 -0600576EXPORT_SYMBOL(rtl92c_dm_write_dig);
Larry Finger8c96fcf2011-02-11 14:33:58 -0600577
578static void rtl92c_dm_pwdb_monitor(struct ieee80211_hw *hw)
579{
Larry Finger8c96fcf2011-02-11 14:33:58 -0600580}
581
582void rtl92c_dm_init_edca_turbo(struct ieee80211_hw *hw)
583{
584 struct rtl_priv *rtlpriv = rtl_priv(hw);
Larry Finger7ea47242011-02-19 16:28:57 -0600585 rtlpriv->dm.current_turbo_edca = false;
586 rtlpriv->dm.is_any_nonbepkts = false;
587 rtlpriv->dm.is_cur_rdlstate = false;
Larry Finger8c96fcf2011-02-11 14:33:58 -0600588}
Larry Finger1472d3a2011-02-23 10:24:58 -0600589EXPORT_SYMBOL(rtl92c_dm_init_edca_turbo);
Larry Finger8c96fcf2011-02-11 14:33:58 -0600590
591static void rtl92c_dm_check_edca_turbo(struct ieee80211_hw *hw)
592{
593 struct rtl_priv *rtlpriv = rtl_priv(hw);
Chaoming_Libeb5bc42011-04-25 12:53:35 -0500594 struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
Larry Finger8c96fcf2011-02-11 14:33:58 -0600595 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
Chaoming_Libeb5bc42011-04-25 12:53:35 -0500596
Larry Finger8c96fcf2011-02-11 14:33:58 -0600597 static u64 last_txok_cnt;
598 static u64 last_rxok_cnt;
Chaoming_Libeb5bc42011-04-25 12:53:35 -0500599 static u32 last_bt_edca_ul;
600 static u32 last_bt_edca_dl;
601 u64 cur_txok_cnt = 0;
602 u64 cur_rxok_cnt = 0;
Larry Finger8c96fcf2011-02-11 14:33:58 -0600603 u32 edca_be_ul = 0x5ea42b;
604 u32 edca_be_dl = 0x5ea42b;
Chaoming_Libeb5bc42011-04-25 12:53:35 -0500605 bool bt_change_edca = false;
Larry Finger8c96fcf2011-02-11 14:33:58 -0600606
Chaoming_Libeb5bc42011-04-25 12:53:35 -0500607 if ((last_bt_edca_ul != rtlpcipriv->bt_coexist.bt_edca_ul) ||
608 (last_bt_edca_dl != rtlpcipriv->bt_coexist.bt_edca_dl)) {
609 rtlpriv->dm.current_turbo_edca = false;
610 last_bt_edca_ul = rtlpcipriv->bt_coexist.bt_edca_ul;
611 last_bt_edca_dl = rtlpcipriv->bt_coexist.bt_edca_dl;
612 }
613
614 if (rtlpcipriv->bt_coexist.bt_edca_ul != 0) {
615 edca_be_ul = rtlpcipriv->bt_coexist.bt_edca_ul;
616 bt_change_edca = true;
617 }
618
619 if (rtlpcipriv->bt_coexist.bt_edca_dl != 0) {
620 edca_be_ul = rtlpcipriv->bt_coexist.bt_edca_dl;
621 bt_change_edca = true;
622 }
Larry Finger8c96fcf2011-02-11 14:33:58 -0600623
624 if (mac->link_state != MAC80211_LINKED) {
Larry Finger7ea47242011-02-19 16:28:57 -0600625 rtlpriv->dm.current_turbo_edca = false;
Larry Finger8c96fcf2011-02-11 14:33:58 -0600626 return;
627 }
628
Chaoming_Libeb5bc42011-04-25 12:53:35 -0500629 if ((!mac->ht_enable) && (!rtlpcipriv->bt_coexist.bt_coexistence)) {
Larry Finger8c96fcf2011-02-11 14:33:58 -0600630 if (!(edca_be_ul & 0xffff0000))
631 edca_be_ul |= 0x005e0000;
632
633 if (!(edca_be_dl & 0xffff0000))
634 edca_be_dl |= 0x005e0000;
635 }
636
Chaoming_Libeb5bc42011-04-25 12:53:35 -0500637 if ((bt_change_edca) || ((!rtlpriv->dm.is_any_nonbepkts) &&
638 (!rtlpriv->dm.disable_framebursting))) {
639
Larry Finger8c96fcf2011-02-11 14:33:58 -0600640 cur_txok_cnt = rtlpriv->stats.txbytesunicast - last_txok_cnt;
641 cur_rxok_cnt = rtlpriv->stats.rxbytesunicast - last_rxok_cnt;
Chaoming_Libeb5bc42011-04-25 12:53:35 -0500642
Larry Finger8c96fcf2011-02-11 14:33:58 -0600643 if (cur_rxok_cnt > 4 * cur_txok_cnt) {
Larry Finger7ea47242011-02-19 16:28:57 -0600644 if (!rtlpriv->dm.is_cur_rdlstate ||
645 !rtlpriv->dm.current_turbo_edca) {
Larry Finger8c96fcf2011-02-11 14:33:58 -0600646 rtl_write_dword(rtlpriv,
647 REG_EDCA_BE_PARAM,
648 edca_be_dl);
Larry Finger7ea47242011-02-19 16:28:57 -0600649 rtlpriv->dm.is_cur_rdlstate = true;
Larry Finger8c96fcf2011-02-11 14:33:58 -0600650 }
651 } else {
Larry Finger7ea47242011-02-19 16:28:57 -0600652 if (rtlpriv->dm.is_cur_rdlstate ||
653 !rtlpriv->dm.current_turbo_edca) {
Larry Finger8c96fcf2011-02-11 14:33:58 -0600654 rtl_write_dword(rtlpriv,
655 REG_EDCA_BE_PARAM,
656 edca_be_ul);
Larry Finger7ea47242011-02-19 16:28:57 -0600657 rtlpriv->dm.is_cur_rdlstate = false;
Larry Finger8c96fcf2011-02-11 14:33:58 -0600658 }
659 }
Larry Finger7ea47242011-02-19 16:28:57 -0600660 rtlpriv->dm.current_turbo_edca = true;
Larry Finger8c96fcf2011-02-11 14:33:58 -0600661 } else {
Larry Finger7ea47242011-02-19 16:28:57 -0600662 if (rtlpriv->dm.current_turbo_edca) {
Larry Finger8c96fcf2011-02-11 14:33:58 -0600663 u8 tmp = AC0_BE;
Joe Perches2c208892012-06-04 12:44:17 +0000664 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AC_PARAM,
665 &tmp);
Larry Finger7ea47242011-02-19 16:28:57 -0600666 rtlpriv->dm.current_turbo_edca = false;
Larry Finger8c96fcf2011-02-11 14:33:58 -0600667 }
668 }
669
Larry Finger7ea47242011-02-19 16:28:57 -0600670 rtlpriv->dm.is_any_nonbepkts = false;
Larry Finger8c96fcf2011-02-11 14:33:58 -0600671 last_txok_cnt = rtlpriv->stats.txbytesunicast;
672 last_rxok_cnt = rtlpriv->stats.rxbytesunicast;
673}
674
675static void rtl92c_dm_txpower_tracking_callback_thermalmeter(struct ieee80211_hw
676 *hw)
677{
678 struct rtl_priv *rtlpriv = rtl_priv(hw);
679 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
680 struct rtl_phy *rtlphy = &(rtlpriv->phy);
681 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
682 u8 thermalvalue, delta, delta_lck, delta_iqk;
683 long ele_a, ele_d, temp_cck, val_x, value32;
Chaoming_Libeb5bc42011-04-25 12:53:35 -0500684 long val_y, ele_c = 0;
Han Shen7c8f0db2013-04-22 13:35:07 -0700685 u8 ofdm_index[2], ofdm_index_old[2] = {0, 0}, cck_index_old = 0;
Larry Finger8a8e31c2013-02-01 10:40:24 -0600686 s8 cck_index = 0;
Larry Finger8c96fcf2011-02-11 14:33:58 -0600687 int i;
688 bool is2t = IS_92C_SERIAL(rtlhal->version);
Larry Fingerd0df71dc2013-09-25 12:57:45 -0500689 s8 txpwr_level[3] = {0, 0, 0};
Larry Finger8c96fcf2011-02-11 14:33:58 -0600690 u8 ofdm_min_index = 6, rf;
691
Chaoming_Li3dad6182011-04-25 12:52:49 -0500692 rtlpriv->dm.txpower_trackinginit = true;
Larry Finger8c96fcf2011-02-11 14:33:58 -0600693 RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
Joe Perchesf30d7502012-01-04 19:40:41 -0800694 "rtl92c_dm_txpower_tracking_callback_thermalmeter\n");
Larry Finger8c96fcf2011-02-11 14:33:58 -0600695
696 thermalvalue = (u8) rtl_get_rfreg(hw, RF90_PATH_A, RF_T_METER, 0x1f);
697
698 RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
Joe Perchesf30d7502012-01-04 19:40:41 -0800699 "Readback Thermal Meter = 0x%x pre thermal meter 0x%x eeprom_thermalmeter 0x%x\n",
700 thermalvalue, rtlpriv->dm.thermalvalue,
701 rtlefuse->eeprom_thermalmeter);
Larry Finger8c96fcf2011-02-11 14:33:58 -0600702
703 rtl92c_phy_ap_calibrate(hw, (thermalvalue -
704 rtlefuse->eeprom_thermalmeter));
705 if (is2t)
706 rf = 2;
707 else
708 rf = 1;
709
710 if (thermalvalue) {
711 ele_d = rtl_get_bbreg(hw, ROFDM0_XATXIQIMBALANCE,
712 MASKDWORD) & MASKOFDM_D;
713
714 for (i = 0; i < OFDM_TABLE_LENGTH; i++) {
715 if (ele_d == (ofdmswing_table[i] & MASKOFDM_D)) {
716 ofdm_index_old[0] = (u8) i;
717
718 RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
Joe Perchesf30d7502012-01-04 19:40:41 -0800719 "Initial pathA ele_d reg0x%x = 0x%lx, ofdm_index=0x%x\n",
Larry Finger8c96fcf2011-02-11 14:33:58 -0600720 ROFDM0_XATXIQIMBALANCE,
Joe Perchesf30d7502012-01-04 19:40:41 -0800721 ele_d, ofdm_index_old[0]);
Larry Finger8c96fcf2011-02-11 14:33:58 -0600722 break;
723 }
724 }
725
726 if (is2t) {
727 ele_d = rtl_get_bbreg(hw, ROFDM0_XBTXIQIMBALANCE,
728 MASKDWORD) & MASKOFDM_D;
729
730 for (i = 0; i < OFDM_TABLE_LENGTH; i++) {
731 if (ele_d == (ofdmswing_table[i] &
732 MASKOFDM_D)) {
Han Shen7c8f0db2013-04-22 13:35:07 -0700733 ofdm_index_old[1] = (u8) i;
Larry Finger8c96fcf2011-02-11 14:33:58 -0600734 RT_TRACE(rtlpriv, COMP_POWER_TRACKING,
Joe Perchesf30d7502012-01-04 19:40:41 -0800735 DBG_LOUD,
736 "Initial pathB ele_d reg0x%x = 0x%lx, ofdm_index=0x%x\n",
737 ROFDM0_XBTXIQIMBALANCE, ele_d,
738 ofdm_index_old[1]);
Larry Finger8c96fcf2011-02-11 14:33:58 -0600739 break;
740 }
741 }
742 }
743
744 temp_cck =
745 rtl_get_bbreg(hw, RCCK0_TXFILTER2, MASKDWORD) & MASKCCK;
746
747 for (i = 0; i < CCK_TABLE_LENGTH; i++) {
Larry Finger7ea47242011-02-19 16:28:57 -0600748 if (rtlpriv->dm.cck_inch14) {
Larry Finger8c96fcf2011-02-11 14:33:58 -0600749 if (memcmp((void *)&temp_cck,
750 (void *)&cckswing_table_ch14[i][2],
751 4) == 0) {
752 cck_index_old = (u8) i;
753
754 RT_TRACE(rtlpriv, COMP_POWER_TRACKING,
755 DBG_LOUD,
Joe Perchesf30d7502012-01-04 19:40:41 -0800756 "Initial reg0x%x = 0x%lx, cck_index=0x%x, ch 14 %d\n",
757 RCCK0_TXFILTER2, temp_cck,
758 cck_index_old,
759 rtlpriv->dm.cck_inch14);
Larry Finger8c96fcf2011-02-11 14:33:58 -0600760 break;
761 }
762 } else {
763 if (memcmp((void *)&temp_cck,
764 (void *)
765 &cckswing_table_ch1ch13[i][2],
766 4) == 0) {
767 cck_index_old = (u8) i;
768
769 RT_TRACE(rtlpriv, COMP_POWER_TRACKING,
770 DBG_LOUD,
Joe Perchesf30d7502012-01-04 19:40:41 -0800771 "Initial reg0x%x = 0x%lx, cck_index=0x%x, ch14 %d\n",
772 RCCK0_TXFILTER2, temp_cck,
773 cck_index_old,
774 rtlpriv->dm.cck_inch14);
Larry Finger8c96fcf2011-02-11 14:33:58 -0600775 break;
776 }
777 }
778 }
779
780 if (!rtlpriv->dm.thermalvalue) {
781 rtlpriv->dm.thermalvalue =
782 rtlefuse->eeprom_thermalmeter;
783 rtlpriv->dm.thermalvalue_lck = thermalvalue;
784 rtlpriv->dm.thermalvalue_iqk = thermalvalue;
785 for (i = 0; i < rf; i++)
786 rtlpriv->dm.ofdm_index[i] = ofdm_index_old[i];
787 rtlpriv->dm.cck_index = cck_index_old;
788 }
789
790 delta = (thermalvalue > rtlpriv->dm.thermalvalue) ?
791 (thermalvalue - rtlpriv->dm.thermalvalue) :
792 (rtlpriv->dm.thermalvalue - thermalvalue);
793
794 delta_lck = (thermalvalue > rtlpriv->dm.thermalvalue_lck) ?
795 (thermalvalue - rtlpriv->dm.thermalvalue_lck) :
796 (rtlpriv->dm.thermalvalue_lck - thermalvalue);
797
798 delta_iqk = (thermalvalue > rtlpriv->dm.thermalvalue_iqk) ?
799 (thermalvalue - rtlpriv->dm.thermalvalue_iqk) :
800 (rtlpriv->dm.thermalvalue_iqk - thermalvalue);
801
802 RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
Joe Perchesf30d7502012-01-04 19:40:41 -0800803 "Readback Thermal Meter = 0x%x pre thermal meter 0x%x eeprom_thermalmeter 0x%x delta 0x%x delta_lck 0x%x delta_iqk 0x%x\n",
Larry Finger8c96fcf2011-02-11 14:33:58 -0600804 thermalvalue, rtlpriv->dm.thermalvalue,
805 rtlefuse->eeprom_thermalmeter, delta, delta_lck,
Joe Perchesf30d7502012-01-04 19:40:41 -0800806 delta_iqk);
Larry Finger8c96fcf2011-02-11 14:33:58 -0600807
808 if (delta_lck > 1) {
809 rtlpriv->dm.thermalvalue_lck = thermalvalue;
810 rtl92c_phy_lc_calibrate(hw);
811 }
812
813 if (delta > 0 && rtlpriv->dm.txpower_track_control) {
814 if (thermalvalue > rtlpriv->dm.thermalvalue) {
815 for (i = 0; i < rf; i++)
816 rtlpriv->dm.ofdm_index[i] -= delta;
817 rtlpriv->dm.cck_index -= delta;
818 } else {
819 for (i = 0; i < rf; i++)
820 rtlpriv->dm.ofdm_index[i] += delta;
821 rtlpriv->dm.cck_index += delta;
822 }
823
824 if (is2t) {
825 RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
Joe Perchesf30d7502012-01-04 19:40:41 -0800826 "temp OFDM_A_index=0x%x, OFDM_B_index=0x%x, cck_index=0x%x\n",
827 rtlpriv->dm.ofdm_index[0],
828 rtlpriv->dm.ofdm_index[1],
829 rtlpriv->dm.cck_index);
Larry Finger8c96fcf2011-02-11 14:33:58 -0600830 } else {
831 RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
Joe Perchesf30d7502012-01-04 19:40:41 -0800832 "temp OFDM_A_index=0x%x, cck_index=0x%x\n",
833 rtlpriv->dm.ofdm_index[0],
834 rtlpriv->dm.cck_index);
Larry Finger8c96fcf2011-02-11 14:33:58 -0600835 }
836
837 if (thermalvalue > rtlefuse->eeprom_thermalmeter) {
838 for (i = 0; i < rf; i++)
839 ofdm_index[i] =
840 rtlpriv->dm.ofdm_index[i]
841 + 1;
842 cck_index = rtlpriv->dm.cck_index + 1;
843 } else {
844 for (i = 0; i < rf; i++)
845 ofdm_index[i] =
846 rtlpriv->dm.ofdm_index[i];
847 cck_index = rtlpriv->dm.cck_index;
848 }
849
850 for (i = 0; i < rf; i++) {
851 if (txpwr_level[i] >= 0 &&
852 txpwr_level[i] <= 26) {
853 if (thermalvalue >
854 rtlefuse->eeprom_thermalmeter) {
855 if (delta < 5)
856 ofdm_index[i] -= 1;
857
858 else
859 ofdm_index[i] -= 2;
860 } else if (delta > 5 && thermalvalue <
861 rtlefuse->
862 eeprom_thermalmeter) {
863 ofdm_index[i] += 1;
864 }
865 } else if (txpwr_level[i] >= 27 &&
866 txpwr_level[i] <= 32
867 && thermalvalue >
868 rtlefuse->eeprom_thermalmeter) {
869 if (delta < 5)
870 ofdm_index[i] -= 1;
871
872 else
873 ofdm_index[i] -= 2;
874 } else if (txpwr_level[i] >= 32 &&
875 txpwr_level[i] <= 38 &&
876 thermalvalue >
877 rtlefuse->eeprom_thermalmeter
878 && delta > 5) {
879 ofdm_index[i] -= 1;
880 }
881 }
882
883 if (txpwr_level[i] >= 0 && txpwr_level[i] <= 26) {
884 if (thermalvalue >
885 rtlefuse->eeprom_thermalmeter) {
886 if (delta < 5)
887 cck_index -= 1;
888
889 else
890 cck_index -= 2;
891 } else if (delta > 5 && thermalvalue <
892 rtlefuse->eeprom_thermalmeter) {
893 cck_index += 1;
894 }
895 } else if (txpwr_level[i] >= 27 &&
896 txpwr_level[i] <= 32 &&
897 thermalvalue >
898 rtlefuse->eeprom_thermalmeter) {
899 if (delta < 5)
900 cck_index -= 1;
901
902 else
903 cck_index -= 2;
904 } else if (txpwr_level[i] >= 32 &&
905 txpwr_level[i] <= 38 &&
906 thermalvalue > rtlefuse->eeprom_thermalmeter
907 && delta > 5) {
908 cck_index -= 1;
909 }
910
911 for (i = 0; i < rf; i++) {
912 if (ofdm_index[i] > OFDM_TABLE_SIZE - 1)
913 ofdm_index[i] = OFDM_TABLE_SIZE - 1;
914
915 else if (ofdm_index[i] < ofdm_min_index)
916 ofdm_index[i] = ofdm_min_index;
917 }
918
919 if (cck_index > CCK_TABLE_SIZE - 1)
920 cck_index = CCK_TABLE_SIZE - 1;
921 else if (cck_index < 0)
922 cck_index = 0;
923
924 if (is2t) {
925 RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
Joe Perchesf30d7502012-01-04 19:40:41 -0800926 "new OFDM_A_index=0x%x, OFDM_B_index=0x%x, cck_index=0x%x\n",
927 ofdm_index[0], ofdm_index[1],
928 cck_index);
Larry Finger8c96fcf2011-02-11 14:33:58 -0600929 } else {
930 RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
Joe Perchesf30d7502012-01-04 19:40:41 -0800931 "new OFDM_A_index=0x%x, cck_index=0x%x\n",
932 ofdm_index[0], cck_index);
Larry Finger8c96fcf2011-02-11 14:33:58 -0600933 }
934 }
935
936 if (rtlpriv->dm.txpower_track_control && delta != 0) {
937 ele_d =
938 (ofdmswing_table[ofdm_index[0]] & 0xFFC00000) >> 22;
939 val_x = rtlphy->reg_e94;
940 val_y = rtlphy->reg_e9c;
941
942 if (val_x != 0) {
943 if ((val_x & 0x00000200) != 0)
944 val_x = val_x | 0xFFFFFC00;
945 ele_a = ((val_x * ele_d) >> 8) & 0x000003FF;
946
947 if ((val_y & 0x00000200) != 0)
948 val_y = val_y | 0xFFFFFC00;
949 ele_c = ((val_y * ele_d) >> 8) & 0x000003FF;
950
951 value32 = (ele_d << 22) |
952 ((ele_c & 0x3F) << 16) | ele_a;
953
954 rtl_set_bbreg(hw, ROFDM0_XATXIQIMBALANCE,
955 MASKDWORD, value32);
956
957 value32 = (ele_c & 0x000003C0) >> 6;
958 rtl_set_bbreg(hw, ROFDM0_XCTXAFE, MASKH4BITS,
959 value32);
960
961 value32 = ((val_x * ele_d) >> 7) & 0x01;
962 rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
963 BIT(31), value32);
964
965 value32 = ((val_y * ele_d) >> 7) & 0x01;
966 rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
967 BIT(29), value32);
968 } else {
969 rtl_set_bbreg(hw, ROFDM0_XATXIQIMBALANCE,
970 MASKDWORD,
971 ofdmswing_table[ofdm_index[0]]);
972
973 rtl_set_bbreg(hw, ROFDM0_XCTXAFE, MASKH4BITS,
974 0x00);
975 rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
976 BIT(31) | BIT(29), 0x00);
977 }
978
Larry Finger7ea47242011-02-19 16:28:57 -0600979 if (!rtlpriv->dm.cck_inch14) {
Larry Finger8c96fcf2011-02-11 14:33:58 -0600980 rtl_write_byte(rtlpriv, 0xa22,
981 cckswing_table_ch1ch13[cck_index]
982 [0]);
983 rtl_write_byte(rtlpriv, 0xa23,
984 cckswing_table_ch1ch13[cck_index]
985 [1]);
986 rtl_write_byte(rtlpriv, 0xa24,
987 cckswing_table_ch1ch13[cck_index]
988 [2]);
989 rtl_write_byte(rtlpriv, 0xa25,
990 cckswing_table_ch1ch13[cck_index]
991 [3]);
992 rtl_write_byte(rtlpriv, 0xa26,
993 cckswing_table_ch1ch13[cck_index]
994 [4]);
995 rtl_write_byte(rtlpriv, 0xa27,
996 cckswing_table_ch1ch13[cck_index]
997 [5]);
998 rtl_write_byte(rtlpriv, 0xa28,
999 cckswing_table_ch1ch13[cck_index]
1000 [6]);
1001 rtl_write_byte(rtlpriv, 0xa29,
1002 cckswing_table_ch1ch13[cck_index]
1003 [7]);
1004 } else {
1005 rtl_write_byte(rtlpriv, 0xa22,
1006 cckswing_table_ch14[cck_index]
1007 [0]);
1008 rtl_write_byte(rtlpriv, 0xa23,
1009 cckswing_table_ch14[cck_index]
1010 [1]);
1011 rtl_write_byte(rtlpriv, 0xa24,
1012 cckswing_table_ch14[cck_index]
1013 [2]);
1014 rtl_write_byte(rtlpriv, 0xa25,
1015 cckswing_table_ch14[cck_index]
1016 [3]);
1017 rtl_write_byte(rtlpriv, 0xa26,
1018 cckswing_table_ch14[cck_index]
1019 [4]);
1020 rtl_write_byte(rtlpriv, 0xa27,
1021 cckswing_table_ch14[cck_index]
1022 [5]);
1023 rtl_write_byte(rtlpriv, 0xa28,
1024 cckswing_table_ch14[cck_index]
1025 [6]);
1026 rtl_write_byte(rtlpriv, 0xa29,
1027 cckswing_table_ch14[cck_index]
1028 [7]);
1029 }
1030
1031 if (is2t) {
1032 ele_d = (ofdmswing_table[ofdm_index[1]] &
1033 0xFFC00000) >> 22;
1034
1035 val_x = rtlphy->reg_eb4;
1036 val_y = rtlphy->reg_ebc;
1037
1038 if (val_x != 0) {
1039 if ((val_x & 0x00000200) != 0)
1040 val_x = val_x | 0xFFFFFC00;
1041 ele_a = ((val_x * ele_d) >> 8) &
1042 0x000003FF;
1043
1044 if ((val_y & 0x00000200) != 0)
1045 val_y = val_y | 0xFFFFFC00;
1046 ele_c = ((val_y * ele_d) >> 8) &
1047 0x00003FF;
1048
1049 value32 = (ele_d << 22) |
1050 ((ele_c & 0x3F) << 16) | ele_a;
1051 rtl_set_bbreg(hw,
1052 ROFDM0_XBTXIQIMBALANCE,
1053 MASKDWORD, value32);
1054
1055 value32 = (ele_c & 0x000003C0) >> 6;
1056 rtl_set_bbreg(hw, ROFDM0_XDTXAFE,
1057 MASKH4BITS, value32);
1058
1059 value32 = ((val_x * ele_d) >> 7) & 0x01;
1060 rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
1061 BIT(27), value32);
1062
1063 value32 = ((val_y * ele_d) >> 7) & 0x01;
1064 rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
1065 BIT(25), value32);
1066 } else {
1067 rtl_set_bbreg(hw,
1068 ROFDM0_XBTXIQIMBALANCE,
1069 MASKDWORD,
1070 ofdmswing_table[ofdm_index
1071 [1]]);
1072 rtl_set_bbreg(hw, ROFDM0_XDTXAFE,
1073 MASKH4BITS, 0x00);
1074 rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
1075 BIT(27) | BIT(25), 0x00);
1076 }
1077
1078 }
1079 }
1080
1081 if (delta_iqk > 3) {
1082 rtlpriv->dm.thermalvalue_iqk = thermalvalue;
1083 rtl92c_phy_iq_calibrate(hw, false);
1084 }
1085
1086 if (rtlpriv->dm.txpower_track_control)
1087 rtlpriv->dm.thermalvalue = thermalvalue;
1088 }
1089
Joe Perchesf30d7502012-01-04 19:40:41 -08001090 RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, "<===\n");
Larry Finger8c96fcf2011-02-11 14:33:58 -06001091
1092}
1093
1094static void rtl92c_dm_initialize_txpower_tracking_thermalmeter(
1095 struct ieee80211_hw *hw)
1096{
1097 struct rtl_priv *rtlpriv = rtl_priv(hw);
1098
Larry Finger7ea47242011-02-19 16:28:57 -06001099 rtlpriv->dm.txpower_tracking = true;
Chaoming_Li3dad6182011-04-25 12:52:49 -05001100 rtlpriv->dm.txpower_trackinginit = false;
Larry Finger8c96fcf2011-02-11 14:33:58 -06001101
1102 RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
Joe Perchesf30d7502012-01-04 19:40:41 -08001103 "pMgntInfo->txpower_tracking = %d\n",
1104 rtlpriv->dm.txpower_tracking);
Larry Finger8c96fcf2011-02-11 14:33:58 -06001105}
1106
1107static void rtl92c_dm_initialize_txpower_tracking(struct ieee80211_hw *hw)
1108{
1109 rtl92c_dm_initialize_txpower_tracking_thermalmeter(hw);
1110}
1111
1112static void rtl92c_dm_txpower_tracking_directcall(struct ieee80211_hw *hw)
1113{
1114 rtl92c_dm_txpower_tracking_callback_thermalmeter(hw);
1115}
1116
1117static void rtl92c_dm_check_txpower_tracking_thermal_meter(
1118 struct ieee80211_hw *hw)
1119{
1120 struct rtl_priv *rtlpriv = rtl_priv(hw);
1121 static u8 tm_trigger;
1122
Larry Finger7ea47242011-02-19 16:28:57 -06001123 if (!rtlpriv->dm.txpower_tracking)
Larry Finger8c96fcf2011-02-11 14:33:58 -06001124 return;
1125
1126 if (!tm_trigger) {
1127 rtl_set_rfreg(hw, RF90_PATH_A, RF_T_METER, RFREG_OFFSET_MASK,
1128 0x60);
1129 RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
Joe Perchesf30d7502012-01-04 19:40:41 -08001130 "Trigger 92S Thermal Meter!!\n");
Larry Finger8c96fcf2011-02-11 14:33:58 -06001131 tm_trigger = 1;
1132 return;
1133 } else {
1134 RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
Joe Perchesf30d7502012-01-04 19:40:41 -08001135 "Schedule TxPowerTracking direct call!!\n");
Larry Finger8c96fcf2011-02-11 14:33:58 -06001136 rtl92c_dm_txpower_tracking_directcall(hw);
1137 tm_trigger = 0;
1138 }
1139}
1140
1141void rtl92c_dm_check_txpower_tracking(struct ieee80211_hw *hw)
1142{
1143 rtl92c_dm_check_txpower_tracking_thermal_meter(hw);
1144}
Larry Finger1472d3a2011-02-23 10:24:58 -06001145EXPORT_SYMBOL(rtl92c_dm_check_txpower_tracking);
Larry Finger8c96fcf2011-02-11 14:33:58 -06001146
1147void rtl92c_dm_init_rate_adaptive_mask(struct ieee80211_hw *hw)
1148{
1149 struct rtl_priv *rtlpriv = rtl_priv(hw);
1150 struct rate_adaptive *p_ra = &(rtlpriv->ra);
1151
1152 p_ra->ratr_state = DM_RATR_STA_INIT;
1153 p_ra->pre_ratr_state = DM_RATR_STA_INIT;
1154
1155 if (rtlpriv->dm.dm_type == DM_TYPE_BYDRIVER)
Larry Finger7ea47242011-02-19 16:28:57 -06001156 rtlpriv->dm.useramask = true;
Larry Finger8c96fcf2011-02-11 14:33:58 -06001157 else
Larry Finger7ea47242011-02-19 16:28:57 -06001158 rtlpriv->dm.useramask = false;
Larry Finger8c96fcf2011-02-11 14:33:58 -06001159
1160}
Larry Finger1472d3a2011-02-23 10:24:58 -06001161EXPORT_SYMBOL(rtl92c_dm_init_rate_adaptive_mask);
Larry Finger8c96fcf2011-02-11 14:33:58 -06001162
Larry Finger8c96fcf2011-02-11 14:33:58 -06001163static void rtl92c_dm_init_dynamic_bb_powersaving(struct ieee80211_hw *hw)
1164{
Larry Fingerd10dc6d2012-04-19 16:32:42 -05001165 struct rtl_priv *rtlpriv = rtl_priv(hw);
1166 struct ps_t *dm_pstable = &rtlpriv->dm_pstable;
1167
1168 dm_pstable->pre_ccastate = CCA_MAX;
1169 dm_pstable->cur_ccasate = CCA_MAX;
1170 dm_pstable->pre_rfstate = RF_MAX;
1171 dm_pstable->cur_rfstate = RF_MAX;
1172 dm_pstable->rssi_val_min = 0;
Larry Finger8c96fcf2011-02-11 14:33:58 -06001173}
1174
Larry Finger8c96fcf2011-02-11 14:33:58 -06001175void rtl92c_dm_rf_saving(struct ieee80211_hw *hw, u8 bforce_in_normal)
1176{
Larry Fingerd10dc6d2012-04-19 16:32:42 -05001177 struct rtl_priv *rtlpriv = rtl_priv(hw);
1178 struct ps_t *dm_pstable = &rtlpriv->dm_pstable;
Larry Finger8c96fcf2011-02-11 14:33:58 -06001179 static u8 initialize;
1180 static u32 reg_874, reg_c70, reg_85c, reg_a74;
1181
1182 if (initialize == 0) {
1183 reg_874 = (rtl_get_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
1184 MASKDWORD) & 0x1CC000) >> 14;
1185
1186 reg_c70 = (rtl_get_bbreg(hw, ROFDM0_AGCPARAMETER1,
1187 MASKDWORD) & BIT(3)) >> 3;
1188
1189 reg_85c = (rtl_get_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL,
1190 MASKDWORD) & 0xFF000000) >> 24;
1191
1192 reg_a74 = (rtl_get_bbreg(hw, 0xa74, MASKDWORD) & 0xF000) >> 12;
1193
1194 initialize = 1;
1195 }
1196
1197 if (!bforce_in_normal) {
Larry Fingerd10dc6d2012-04-19 16:32:42 -05001198 if (dm_pstable->rssi_val_min != 0) {
1199 if (dm_pstable->pre_rfstate == RF_NORMAL) {
1200 if (dm_pstable->rssi_val_min >= 30)
1201 dm_pstable->cur_rfstate = RF_SAVE;
Larry Finger8c96fcf2011-02-11 14:33:58 -06001202 else
Larry Fingerd10dc6d2012-04-19 16:32:42 -05001203 dm_pstable->cur_rfstate = RF_NORMAL;
Larry Finger8c96fcf2011-02-11 14:33:58 -06001204 } else {
Larry Fingerd10dc6d2012-04-19 16:32:42 -05001205 if (dm_pstable->rssi_val_min <= 25)
1206 dm_pstable->cur_rfstate = RF_NORMAL;
Larry Finger8c96fcf2011-02-11 14:33:58 -06001207 else
Larry Fingerd10dc6d2012-04-19 16:32:42 -05001208 dm_pstable->cur_rfstate = RF_SAVE;
Larry Finger8c96fcf2011-02-11 14:33:58 -06001209 }
1210 } else {
Larry Fingerd10dc6d2012-04-19 16:32:42 -05001211 dm_pstable->cur_rfstate = RF_MAX;
Larry Finger8c96fcf2011-02-11 14:33:58 -06001212 }
1213 } else {
Larry Fingerd10dc6d2012-04-19 16:32:42 -05001214 dm_pstable->cur_rfstate = RF_NORMAL;
Larry Finger8c96fcf2011-02-11 14:33:58 -06001215 }
1216
Larry Fingerd10dc6d2012-04-19 16:32:42 -05001217 if (dm_pstable->pre_rfstate != dm_pstable->cur_rfstate) {
1218 if (dm_pstable->cur_rfstate == RF_SAVE) {
Larry Finger8c96fcf2011-02-11 14:33:58 -06001219 rtl_set_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
1220 0x1C0000, 0x2);
1221 rtl_set_bbreg(hw, ROFDM0_AGCPARAMETER1, BIT(3), 0);
1222 rtl_set_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL,
1223 0xFF000000, 0x63);
1224 rtl_set_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
1225 0xC000, 0x2);
1226 rtl_set_bbreg(hw, 0xa74, 0xF000, 0x3);
1227 rtl_set_bbreg(hw, 0x818, BIT(28), 0x0);
1228 rtl_set_bbreg(hw, 0x818, BIT(28), 0x1);
1229 } else {
1230 rtl_set_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
1231 0x1CC000, reg_874);
1232 rtl_set_bbreg(hw, ROFDM0_AGCPARAMETER1, BIT(3),
1233 reg_c70);
1234 rtl_set_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL, 0xFF000000,
1235 reg_85c);
1236 rtl_set_bbreg(hw, 0xa74, 0xF000, reg_a74);
1237 rtl_set_bbreg(hw, 0x818, BIT(28), 0x0);
1238 }
1239
Larry Fingerd10dc6d2012-04-19 16:32:42 -05001240 dm_pstable->pre_rfstate = dm_pstable->cur_rfstate;
Larry Finger8c96fcf2011-02-11 14:33:58 -06001241 }
1242}
Larry Finger1472d3a2011-02-23 10:24:58 -06001243EXPORT_SYMBOL(rtl92c_dm_rf_saving);
Larry Finger8c96fcf2011-02-11 14:33:58 -06001244
1245static void rtl92c_dm_dynamic_bb_powersaving(struct ieee80211_hw *hw)
1246{
1247 struct rtl_priv *rtlpriv = rtl_priv(hw);
Larry Fingerd10dc6d2012-04-19 16:32:42 -05001248 struct ps_t *dm_pstable = &rtlpriv->dm_pstable;
Larry Finger8c96fcf2011-02-11 14:33:58 -06001249 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1250 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
1251
1252 if (((mac->link_state == MAC80211_NOLINK)) &&
Larry Fingerda17fcf2012-10-25 13:46:31 -05001253 (rtlpriv->dm.entry_min_undec_sm_pwdb == 0)) {
Larry Fingerd10dc6d2012-04-19 16:32:42 -05001254 dm_pstable->rssi_val_min = 0;
Joe Perchesf30d7502012-01-04 19:40:41 -08001255 RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD, "Not connected to any\n");
Larry Finger8c96fcf2011-02-11 14:33:58 -06001256 }
1257
1258 if (mac->link_state == MAC80211_LINKED) {
1259 if (mac->opmode == NL80211_IFTYPE_ADHOC) {
Larry Fingerd10dc6d2012-04-19 16:32:42 -05001260 dm_pstable->rssi_val_min =
Larry Fingerda17fcf2012-10-25 13:46:31 -05001261 rtlpriv->dm.entry_min_undec_sm_pwdb;
Larry Finger8c96fcf2011-02-11 14:33:58 -06001262 RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD,
Joe Perchesf30d7502012-01-04 19:40:41 -08001263 "AP Client PWDB = 0x%lx\n",
Larry Fingerd10dc6d2012-04-19 16:32:42 -05001264 dm_pstable->rssi_val_min);
Larry Finger8c96fcf2011-02-11 14:33:58 -06001265 } else {
Larry Fingerda17fcf2012-10-25 13:46:31 -05001266 dm_pstable->rssi_val_min = rtlpriv->dm.undec_sm_pwdb;
Larry Finger8c96fcf2011-02-11 14:33:58 -06001267 RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD,
Joe Perchesf30d7502012-01-04 19:40:41 -08001268 "STA Default Port PWDB = 0x%lx\n",
Larry Fingerd10dc6d2012-04-19 16:32:42 -05001269 dm_pstable->rssi_val_min);
Larry Finger8c96fcf2011-02-11 14:33:58 -06001270 }
1271 } else {
Larry Fingerd10dc6d2012-04-19 16:32:42 -05001272 dm_pstable->rssi_val_min =
Larry Fingerda17fcf2012-10-25 13:46:31 -05001273 rtlpriv->dm.entry_min_undec_sm_pwdb;
Larry Finger8c96fcf2011-02-11 14:33:58 -06001274
1275 RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD,
Joe Perchesf30d7502012-01-04 19:40:41 -08001276 "AP Ext Port PWDB = 0x%lx\n",
Larry Fingerd10dc6d2012-04-19 16:32:42 -05001277 dm_pstable->rssi_val_min);
Larry Finger8c96fcf2011-02-11 14:33:58 -06001278 }
1279
1280 if (IS_92C_SERIAL(rtlhal->version))
Chaoming_Libeb5bc42011-04-25 12:53:35 -05001281 ;/* rtl92c_dm_1r_cca(hw); */
1282 else
1283 rtl92c_dm_rf_saving(hw, false);
Larry Finger8c96fcf2011-02-11 14:33:58 -06001284}
1285
1286void rtl92c_dm_init(struct ieee80211_hw *hw)
1287{
1288 struct rtl_priv *rtlpriv = rtl_priv(hw);
1289
1290 rtlpriv->dm.dm_type = DM_TYPE_BYDRIVER;
1291 rtl92c_dm_diginit(hw);
1292 rtl92c_dm_init_dynamic_txpower(hw);
1293 rtl92c_dm_init_edca_turbo(hw);
1294 rtl92c_dm_init_rate_adaptive_mask(hw);
1295 rtl92c_dm_initialize_txpower_tracking(hw);
1296 rtl92c_dm_init_dynamic_bb_powersaving(hw);
1297}
Larry Finger1472d3a2011-02-23 10:24:58 -06001298EXPORT_SYMBOL(rtl92c_dm_init);
Larry Finger8c96fcf2011-02-11 14:33:58 -06001299
Chaoming_Libeb5bc42011-04-25 12:53:35 -05001300void rtl92c_dm_dynamic_txpower(struct ieee80211_hw *hw)
1301{
1302 struct rtl_priv *rtlpriv = rtl_priv(hw);
1303 struct rtl_phy *rtlphy = &(rtlpriv->phy);
1304 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
Larry Fingerda17fcf2012-10-25 13:46:31 -05001305 long undec_sm_pwdb;
Chaoming_Libeb5bc42011-04-25 12:53:35 -05001306
1307 if (!rtlpriv->dm.dynamic_txpower_enable)
1308 return;
1309
1310 if (rtlpriv->dm.dm_flag & HAL_DM_HIPWR_DISABLE) {
1311 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
1312 return;
1313 }
1314
1315 if ((mac->link_state < MAC80211_LINKED) &&
Larry Fingerda17fcf2012-10-25 13:46:31 -05001316 (rtlpriv->dm.entry_min_undec_sm_pwdb == 0)) {
Chaoming_Libeb5bc42011-04-25 12:53:35 -05001317 RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE,
Joe Perchesf30d7502012-01-04 19:40:41 -08001318 "Not connected to any\n");
Chaoming_Libeb5bc42011-04-25 12:53:35 -05001319
1320 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
1321
1322 rtlpriv->dm.last_dtp_lvl = TXHIGHPWRLEVEL_NORMAL;
1323 return;
1324 }
1325
1326 if (mac->link_state >= MAC80211_LINKED) {
1327 if (mac->opmode == NL80211_IFTYPE_ADHOC) {
Larry Fingerda17fcf2012-10-25 13:46:31 -05001328 undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb;
Chaoming_Libeb5bc42011-04-25 12:53:35 -05001329 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
Joe Perchesf30d7502012-01-04 19:40:41 -08001330 "AP Client PWDB = 0x%lx\n",
Larry Fingerda17fcf2012-10-25 13:46:31 -05001331 undec_sm_pwdb);
Chaoming_Libeb5bc42011-04-25 12:53:35 -05001332 } else {
Larry Fingerda17fcf2012-10-25 13:46:31 -05001333 undec_sm_pwdb = rtlpriv->dm.undec_sm_pwdb;
Chaoming_Libeb5bc42011-04-25 12:53:35 -05001334 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
Joe Perchesf30d7502012-01-04 19:40:41 -08001335 "STA Default Port PWDB = 0x%lx\n",
Larry Fingerda17fcf2012-10-25 13:46:31 -05001336 undec_sm_pwdb);
Chaoming_Libeb5bc42011-04-25 12:53:35 -05001337 }
1338 } else {
Larry Fingerda17fcf2012-10-25 13:46:31 -05001339 undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb;
Chaoming_Libeb5bc42011-04-25 12:53:35 -05001340
1341 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
Joe Perchesf30d7502012-01-04 19:40:41 -08001342 "AP Ext Port PWDB = 0x%lx\n",
Larry Fingerda17fcf2012-10-25 13:46:31 -05001343 undec_sm_pwdb);
Chaoming_Libeb5bc42011-04-25 12:53:35 -05001344 }
1345
Larry Fingerda17fcf2012-10-25 13:46:31 -05001346 if (undec_sm_pwdb >= TX_POWER_NEAR_FIELD_THRESH_LVL2) {
Chaoming_Libeb5bc42011-04-25 12:53:35 -05001347 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1;
1348 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
Joe Perchesf30d7502012-01-04 19:40:41 -08001349 "TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x0)\n");
Larry Fingerda17fcf2012-10-25 13:46:31 -05001350 } else if ((undec_sm_pwdb < (TX_POWER_NEAR_FIELD_THRESH_LVL2 - 3)) &&
1351 (undec_sm_pwdb >= TX_POWER_NEAR_FIELD_THRESH_LVL1)) {
Chaoming_Libeb5bc42011-04-25 12:53:35 -05001352
1353 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1;
1354 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
Joe Perchesf30d7502012-01-04 19:40:41 -08001355 "TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x10)\n");
Larry Fingerda17fcf2012-10-25 13:46:31 -05001356 } else if (undec_sm_pwdb < (TX_POWER_NEAR_FIELD_THRESH_LVL1 - 5)) {
Chaoming_Libeb5bc42011-04-25 12:53:35 -05001357 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
1358 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
Joe Perchesf30d7502012-01-04 19:40:41 -08001359 "TXHIGHPWRLEVEL_NORMAL\n");
Chaoming_Libeb5bc42011-04-25 12:53:35 -05001360 }
1361
1362 if ((rtlpriv->dm.dynamic_txhighpower_lvl != rtlpriv->dm.last_dtp_lvl)) {
1363 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
Joe Perchesf30d7502012-01-04 19:40:41 -08001364 "PHY_SetTxPowerLevel8192S() Channel = %d\n",
1365 rtlphy->current_channel);
Chaoming_Libeb5bc42011-04-25 12:53:35 -05001366 rtl92c_phy_set_txpower_level(hw, rtlphy->current_channel);
1367 }
1368
1369 rtlpriv->dm.last_dtp_lvl = rtlpriv->dm.dynamic_txhighpower_lvl;
1370}
1371
Larry Finger8c96fcf2011-02-11 14:33:58 -06001372void rtl92c_dm_watchdog(struct ieee80211_hw *hw)
1373{
1374 struct rtl_priv *rtlpriv = rtl_priv(hw);
1375 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
Larry Finger7ea47242011-02-19 16:28:57 -06001376 bool fw_current_inpsmode = false;
1377 bool fw_ps_awake = true;
Larry Finger8c96fcf2011-02-11 14:33:58 -06001378
1379 rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_FW_PSMODE_STATUS,
Larry Finger7ea47242011-02-19 16:28:57 -06001380 (u8 *) (&fw_current_inpsmode));
Larry Finger8c96fcf2011-02-11 14:33:58 -06001381 rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_FWLPS_RF_ON,
Larry Finger7ea47242011-02-19 16:28:57 -06001382 (u8 *) (&fw_ps_awake));
Larry Finger8c96fcf2011-02-11 14:33:58 -06001383
Larry Finger3a16b412013-03-24 22:06:40 -05001384 if (ppsc->p2p_ps_info.p2p_ps_mode)
1385 fw_ps_awake = false;
1386
Larry Finger7ea47242011-02-19 16:28:57 -06001387 if ((ppsc->rfpwr_state == ERFON) && ((!fw_current_inpsmode) &&
1388 fw_ps_awake)
Larry Finger8c96fcf2011-02-11 14:33:58 -06001389 && (!ppsc->rfchange_inprogress)) {
1390 rtl92c_dm_pwdb_monitor(hw);
1391 rtl92c_dm_dig(hw);
1392 rtl92c_dm_false_alarm_counter_statistics(hw);
1393 rtl92c_dm_dynamic_bb_powersaving(hw);
Chaoming_Libeb5bc42011-04-25 12:53:35 -05001394 rtl92c_dm_dynamic_txpower(hw);
Larry Finger8c96fcf2011-02-11 14:33:58 -06001395 rtl92c_dm_check_txpower_tracking(hw);
Larry Finger3a16b412013-03-24 22:06:40 -05001396 /* rtl92c_dm_refresh_rate_adaptive_mask(hw); */
Chaoming_Libeb5bc42011-04-25 12:53:35 -05001397 rtl92c_dm_bt_coexist(hw);
Larry Finger8c96fcf2011-02-11 14:33:58 -06001398 rtl92c_dm_check_edca_turbo(hw);
1399 }
1400}
Larry Finger1472d3a2011-02-23 10:24:58 -06001401EXPORT_SYMBOL(rtl92c_dm_watchdog);
Chaoming_Libeb5bc42011-04-25 12:53:35 -05001402
Chaoming_Li2b8359f2011-04-25 12:53:55 -05001403u8 rtl92c_bt_rssi_state_change(struct ieee80211_hw *hw)
Chaoming_Libeb5bc42011-04-25 12:53:35 -05001404{
1405 struct rtl_priv *rtlpriv = rtl_priv(hw);
1406 struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
Larry Fingerda17fcf2012-10-25 13:46:31 -05001407 long undec_sm_pwdb;
Chaoming_Libeb5bc42011-04-25 12:53:35 -05001408 u8 curr_bt_rssi_state = 0x00;
1409
1410 if (rtlpriv->mac80211.link_state == MAC80211_LINKED) {
Larry Fingerda17fcf2012-10-25 13:46:31 -05001411 undec_sm_pwdb = GET_UNDECORATED_AVERAGE_RSSI(rtlpriv);
Chaoming_Libeb5bc42011-04-25 12:53:35 -05001412 } else {
Larry Fingerda17fcf2012-10-25 13:46:31 -05001413 if (rtlpriv->dm.entry_min_undec_sm_pwdb == 0)
1414 undec_sm_pwdb = 100;
Chaoming_Libeb5bc42011-04-25 12:53:35 -05001415 else
Larry Fingerda17fcf2012-10-25 13:46:31 -05001416 undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb;
Chaoming_Libeb5bc42011-04-25 12:53:35 -05001417 }
1418
1419 /* Check RSSI to determine HighPower/NormalPower state for
1420 * BT coexistence. */
Larry Fingerda17fcf2012-10-25 13:46:31 -05001421 if (undec_sm_pwdb >= 67)
Chaoming_Libeb5bc42011-04-25 12:53:35 -05001422 curr_bt_rssi_state &= (~BT_RSSI_STATE_NORMAL_POWER);
Larry Fingerda17fcf2012-10-25 13:46:31 -05001423 else if (undec_sm_pwdb < 62)
Chaoming_Libeb5bc42011-04-25 12:53:35 -05001424 curr_bt_rssi_state |= BT_RSSI_STATE_NORMAL_POWER;
1425
1426 /* Check RSSI to determine AMPDU setting for BT coexistence. */
Larry Fingerda17fcf2012-10-25 13:46:31 -05001427 if (undec_sm_pwdb >= 40)
Chaoming_Libeb5bc42011-04-25 12:53:35 -05001428 curr_bt_rssi_state &= (~BT_RSSI_STATE_AMDPU_OFF);
Larry Fingerda17fcf2012-10-25 13:46:31 -05001429 else if (undec_sm_pwdb <= 32)
Chaoming_Libeb5bc42011-04-25 12:53:35 -05001430 curr_bt_rssi_state |= BT_RSSI_STATE_AMDPU_OFF;
1431
1432 /* Marked RSSI state. It will be used to determine BT coexistence
1433 * setting later. */
Larry Fingerda17fcf2012-10-25 13:46:31 -05001434 if (undec_sm_pwdb < 35)
Chaoming_Libeb5bc42011-04-25 12:53:35 -05001435 curr_bt_rssi_state |= BT_RSSI_STATE_SPECIAL_LOW;
1436 else
1437 curr_bt_rssi_state &= (~BT_RSSI_STATE_SPECIAL_LOW);
1438
1439 /* Set Tx Power according to BT status. */
Larry Fingerda17fcf2012-10-25 13:46:31 -05001440 if (undec_sm_pwdb >= 30)
Chaoming_Libeb5bc42011-04-25 12:53:35 -05001441 curr_bt_rssi_state |= BT_RSSI_STATE_TXPOWER_LOW;
Larry Fingerda17fcf2012-10-25 13:46:31 -05001442 else if (undec_sm_pwdb < 25)
Chaoming_Libeb5bc42011-04-25 12:53:35 -05001443 curr_bt_rssi_state &= (~BT_RSSI_STATE_TXPOWER_LOW);
1444
1445 /* Check BT state related to BT_Idle in B/G mode. */
Larry Fingerda17fcf2012-10-25 13:46:31 -05001446 if (undec_sm_pwdb < 15)
Chaoming_Libeb5bc42011-04-25 12:53:35 -05001447 curr_bt_rssi_state |= BT_RSSI_STATE_BG_EDCA_LOW;
1448 else
1449 curr_bt_rssi_state &= (~BT_RSSI_STATE_BG_EDCA_LOW);
1450
1451 if (curr_bt_rssi_state != rtlpcipriv->bt_coexist.bt_rssi_state) {
1452 rtlpcipriv->bt_coexist.bt_rssi_state = curr_bt_rssi_state;
1453 return true;
1454 } else {
1455 return false;
1456 }
1457}
Chaoming_Li2b8359f2011-04-25 12:53:55 -05001458EXPORT_SYMBOL(rtl92c_bt_rssi_state_change);
Chaoming_Libeb5bc42011-04-25 12:53:35 -05001459
1460static bool rtl92c_bt_state_change(struct ieee80211_hw *hw)
1461{
1462 struct rtl_priv *rtlpriv = rtl_priv(hw);
1463 struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
1464
1465 u32 polling, ratio_tx, ratio_pri;
1466 u32 bt_tx, bt_pri;
1467 u8 bt_state;
1468 u8 cur_service_type;
1469
1470 if (rtlpriv->mac80211.link_state < MAC80211_LINKED)
1471 return false;
1472
1473 bt_state = rtl_read_byte(rtlpriv, 0x4fd);
1474 bt_tx = rtl_read_dword(rtlpriv, 0x488);
1475 bt_tx = bt_tx & 0x00ffffff;
1476 bt_pri = rtl_read_dword(rtlpriv, 0x48c);
1477 bt_pri = bt_pri & 0x00ffffff;
1478 polling = rtl_read_dword(rtlpriv, 0x490);
1479
1480 if (bt_tx == 0xffffffff && bt_pri == 0xffffffff &&
1481 polling == 0xffffffff && bt_state == 0xff)
1482 return false;
1483
1484 bt_state &= BIT_OFFSET_LEN_MASK_32(0, 1);
1485 if (bt_state != rtlpcipriv->bt_coexist.bt_cur_state) {
1486 rtlpcipriv->bt_coexist.bt_cur_state = bt_state;
1487
1488 if (rtlpcipriv->bt_coexist.reg_bt_sco == 3) {
1489 rtlpcipriv->bt_coexist.bt_service = BT_IDLE;
1490
1491 bt_state = bt_state |
1492 ((rtlpcipriv->bt_coexist.bt_ant_isolation == 1) ?
1493 0 : BIT_OFFSET_LEN_MASK_32(1, 1)) |
1494 BIT_OFFSET_LEN_MASK_32(2, 1);
1495 rtl_write_byte(rtlpriv, 0x4fd, bt_state);
1496 }
1497 return true;
1498 }
1499
1500 ratio_tx = bt_tx * 1000 / polling;
1501 ratio_pri = bt_pri * 1000 / polling;
1502 rtlpcipriv->bt_coexist.ratio_tx = ratio_tx;
1503 rtlpcipriv->bt_coexist.ratio_pri = ratio_pri;
1504
1505 if (bt_state && rtlpcipriv->bt_coexist.reg_bt_sco == 3) {
1506
1507 if ((ratio_tx < 30) && (ratio_pri < 30))
1508 cur_service_type = BT_IDLE;
1509 else if ((ratio_pri > 110) && (ratio_pri < 250))
1510 cur_service_type = BT_SCO;
1511 else if ((ratio_tx >= 200) && (ratio_pri >= 200))
1512 cur_service_type = BT_BUSY;
1513 else if ((ratio_tx >= 350) && (ratio_tx < 500))
1514 cur_service_type = BT_OTHERBUSY;
1515 else if (ratio_tx >= 500)
1516 cur_service_type = BT_PAN;
1517 else
1518 cur_service_type = BT_OTHER_ACTION;
1519
1520 if (cur_service_type != rtlpcipriv->bt_coexist.bt_service) {
1521 rtlpcipriv->bt_coexist.bt_service = cur_service_type;
1522 bt_state = bt_state |
1523 ((rtlpcipriv->bt_coexist.bt_ant_isolation == 1) ?
1524 0 : BIT_OFFSET_LEN_MASK_32(1, 1)) |
1525 ((rtlpcipriv->bt_coexist.bt_service != BT_IDLE) ?
1526 0 : BIT_OFFSET_LEN_MASK_32(2, 1));
1527
1528 /* Add interrupt migration when bt is not ini
1529 * idle state (no traffic). */
1530 if (rtlpcipriv->bt_coexist.bt_service != BT_IDLE) {
1531 rtl_write_word(rtlpriv, 0x504, 0x0ccc);
1532 rtl_write_byte(rtlpriv, 0x506, 0x54);
1533 rtl_write_byte(rtlpriv, 0x507, 0x54);
1534 } else {
1535 rtl_write_byte(rtlpriv, 0x506, 0x00);
1536 rtl_write_byte(rtlpriv, 0x507, 0x00);
1537 }
1538
1539 rtl_write_byte(rtlpriv, 0x4fd, bt_state);
1540 return true;
1541 }
1542 }
1543
1544 return false;
1545
1546}
1547
1548static bool rtl92c_bt_wifi_connect_change(struct ieee80211_hw *hw)
1549{
1550 struct rtl_priv *rtlpriv = rtl_priv(hw);
1551 static bool media_connect;
1552
1553 if (rtlpriv->mac80211.link_state < MAC80211_LINKED) {
1554 media_connect = false;
1555 } else {
1556 if (!media_connect) {
1557 media_connect = true;
1558 return true;
1559 }
1560 media_connect = true;
1561 }
1562
1563 return false;
1564}
1565
1566static void rtl92c_bt_set_normal(struct ieee80211_hw *hw)
1567{
1568 struct rtl_priv *rtlpriv = rtl_priv(hw);
1569 struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
1570
1571
1572 if (rtlpcipriv->bt_coexist.bt_service == BT_OTHERBUSY) {
1573 rtlpcipriv->bt_coexist.bt_edca_ul = 0x5ea72b;
1574 rtlpcipriv->bt_coexist.bt_edca_dl = 0x5ea72b;
1575 } else if (rtlpcipriv->bt_coexist.bt_service == BT_BUSY) {
1576 rtlpcipriv->bt_coexist.bt_edca_ul = 0x5eb82f;
1577 rtlpcipriv->bt_coexist.bt_edca_dl = 0x5eb82f;
1578 } else if (rtlpcipriv->bt_coexist.bt_service == BT_SCO) {
1579 if (rtlpcipriv->bt_coexist.ratio_tx > 160) {
1580 rtlpcipriv->bt_coexist.bt_edca_ul = 0x5ea72f;
1581 rtlpcipriv->bt_coexist.bt_edca_dl = 0x5ea72f;
1582 } else {
1583 rtlpcipriv->bt_coexist.bt_edca_ul = 0x5ea32b;
1584 rtlpcipriv->bt_coexist.bt_edca_dl = 0x5ea42b;
1585 }
1586 } else {
1587 rtlpcipriv->bt_coexist.bt_edca_ul = 0;
1588 rtlpcipriv->bt_coexist.bt_edca_dl = 0;
1589 }
1590
1591 if ((rtlpcipriv->bt_coexist.bt_service != BT_IDLE) &&
1592 (rtlpriv->mac80211.mode == WIRELESS_MODE_G ||
1593 (rtlpriv->mac80211.mode == (WIRELESS_MODE_G | WIRELESS_MODE_B))) &&
1594 (rtlpcipriv->bt_coexist.bt_rssi_state &
1595 BT_RSSI_STATE_BG_EDCA_LOW)) {
1596 rtlpcipriv->bt_coexist.bt_edca_ul = 0x5eb82b;
1597 rtlpcipriv->bt_coexist.bt_edca_dl = 0x5eb82b;
1598 }
1599}
1600
Larry Finger3a16b412013-03-24 22:06:40 -05001601static void rtl92c_bt_ant_isolation(struct ieee80211_hw *hw, u8 tmp1byte)
Chaoming_Libeb5bc42011-04-25 12:53:35 -05001602{
1603 struct rtl_priv *rtlpriv = rtl_priv(hw);
1604 struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
1605
1606
1607 /* Only enable HW BT coexist when BT in "Busy" state. */
1608 if (rtlpriv->mac80211.vendor == PEER_CISCO &&
1609 rtlpcipriv->bt_coexist.bt_service == BT_OTHER_ACTION) {
1610 rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0xa0);
1611 } else {
1612 if ((rtlpcipriv->bt_coexist.bt_service == BT_BUSY) &&
1613 (rtlpcipriv->bt_coexist.bt_rssi_state &
1614 BT_RSSI_STATE_NORMAL_POWER)) {
1615 rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0xa0);
1616 } else if ((rtlpcipriv->bt_coexist.bt_service ==
1617 BT_OTHER_ACTION) && (rtlpriv->mac80211.mode <
1618 WIRELESS_MODE_N_24G) &&
1619 (rtlpcipriv->bt_coexist.bt_rssi_state &
1620 BT_RSSI_STATE_SPECIAL_LOW)) {
1621 rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0xa0);
1622 } else if (rtlpcipriv->bt_coexist.bt_service == BT_PAN) {
Larry Finger3a16b412013-03-24 22:06:40 -05001623 rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, tmp1byte);
Chaoming_Libeb5bc42011-04-25 12:53:35 -05001624 } else {
Larry Finger3a16b412013-03-24 22:06:40 -05001625 rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, tmp1byte);
Chaoming_Libeb5bc42011-04-25 12:53:35 -05001626 }
1627 }
1628
1629 if (rtlpcipriv->bt_coexist.bt_service == BT_PAN)
1630 rtl_write_dword(rtlpriv, REG_GPIO_PIN_CTRL, 0x10100);
1631 else
1632 rtl_write_dword(rtlpriv, REG_GPIO_PIN_CTRL, 0x0);
1633
1634 if (rtlpcipriv->bt_coexist.bt_rssi_state &
1635 BT_RSSI_STATE_NORMAL_POWER) {
1636 rtl92c_bt_set_normal(hw);
1637 } else {
1638 rtlpcipriv->bt_coexist.bt_edca_ul = 0;
1639 rtlpcipriv->bt_coexist.bt_edca_dl = 0;
1640 }
1641
1642 if (rtlpcipriv->bt_coexist.bt_service != BT_IDLE) {
1643 rtlpriv->cfg->ops->set_rfreg(hw,
1644 RF90_PATH_A,
1645 0x1e,
1646 0xf0, 0xf);
1647 } else {
1648 rtlpriv->cfg->ops->set_rfreg(hw,
1649 RF90_PATH_A, 0x1e, 0xf0,
1650 rtlpcipriv->bt_coexist.bt_rfreg_origin_1e);
1651 }
1652
1653 if (!rtlpriv->dm.dynamic_txpower_enable) {
1654 if (rtlpcipriv->bt_coexist.bt_service != BT_IDLE) {
1655 if (rtlpcipriv->bt_coexist.bt_rssi_state &
1656 BT_RSSI_STATE_TXPOWER_LOW) {
1657 rtlpriv->dm.dynamic_txhighpower_lvl =
1658 TXHIGHPWRLEVEL_BT2;
1659 } else {
1660 rtlpriv->dm.dynamic_txhighpower_lvl =
1661 TXHIGHPWRLEVEL_BT1;
1662 }
1663 } else {
1664 rtlpriv->dm.dynamic_txhighpower_lvl =
1665 TXHIGHPWRLEVEL_NORMAL;
1666 }
1667 rtl92c_phy_set_txpower_level(hw,
1668 rtlpriv->phy.current_channel);
1669 }
1670}
1671
1672static void rtl92c_check_bt_change(struct ieee80211_hw *hw)
1673{
1674 struct rtl_priv *rtlpriv = rtl_priv(hw);
1675 struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
Larry Finger3a16b412013-03-24 22:06:40 -05001676 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
1677 u8 tmp1byte = 0;
Chaoming_Libeb5bc42011-04-25 12:53:35 -05001678
Larry Finger3a16b412013-03-24 22:06:40 -05001679 if (IS_81xxC_VENDOR_UMC_B_CUT(rtlhal->version) &&
1680 rtlpcipriv->bt_coexist.bt_coexistence)
1681 tmp1byte |= BIT(5);
Chaoming_Libeb5bc42011-04-25 12:53:35 -05001682 if (rtlpcipriv->bt_coexist.bt_cur_state) {
1683 if (rtlpcipriv->bt_coexist.bt_ant_isolation)
Larry Finger3a16b412013-03-24 22:06:40 -05001684 rtl92c_bt_ant_isolation(hw, tmp1byte);
Chaoming_Libeb5bc42011-04-25 12:53:35 -05001685 } else {
Larry Finger3a16b412013-03-24 22:06:40 -05001686 rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, tmp1byte);
Chaoming_Libeb5bc42011-04-25 12:53:35 -05001687 rtlpriv->cfg->ops->set_rfreg(hw, RF90_PATH_A, 0x1e, 0xf0,
1688 rtlpcipriv->bt_coexist.bt_rfreg_origin_1e);
1689
1690 rtlpcipriv->bt_coexist.bt_edca_ul = 0;
1691 rtlpcipriv->bt_coexist.bt_edca_dl = 0;
1692 }
1693}
1694
1695void rtl92c_dm_bt_coexist(struct ieee80211_hw *hw)
1696{
1697 struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
1698
1699 bool wifi_connect_change;
1700 bool bt_state_change;
1701 bool rssi_state_change;
1702
1703 if ((rtlpcipriv->bt_coexist.bt_coexistence) &&
1704 (rtlpcipriv->bt_coexist.bt_coexist_type == BT_CSR_BC4)) {
1705
1706 wifi_connect_change = rtl92c_bt_wifi_connect_change(hw);
1707 bt_state_change = rtl92c_bt_state_change(hw);
1708 rssi_state_change = rtl92c_bt_rssi_state_change(hw);
1709
1710 if (wifi_connect_change || bt_state_change || rssi_state_change)
1711 rtl92c_check_bt_change(hw);
1712 }
1713}
Chaoming_Li2b8359f2011-04-25 12:53:55 -05001714EXPORT_SYMBOL(rtl92c_dm_bt_coexist);