1 /******************************************************************************
3 * Copyright(c) 2009-2010 Realtek Corporation. All rights reserved.
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.
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
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
18 * The full GNU General Public License is included in this distribution in the
19 * file called LICENSE.
21 * Contact Information:
22 * wlanfae <wlanfae@realtek.com>
23 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
24 * Hsinchu 300, Taiwan.
26 * Larry Finger <Larry.Finger@lwfinger.net>
28 ****************************************************************************/
29 #include <linux/module.h>
44 /* macro to shorten lines */
46 #define LINK_Q ui_link_quality
47 #define RX_EVM rx_evm_percentage
48 #define RX_SIGQ rx_mimo_signalquality
51 void rtl92c_read_chip_version(struct ieee80211_hw *hw)
53 struct rtl_priv *rtlpriv = rtl_priv(hw);
54 struct rtl_phy *rtlphy = &(rtlpriv->phy);
55 struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
56 enum version_8192c chip_version = VERSION_UNKNOWN;
59 value32 = rtl_read_dword(rtlpriv, REG_SYS_CFG);
60 if (value32 & TRP_VAUX_EN) {
61 chip_version = (value32 & TYPE_ID) ? VERSION_TEST_CHIP_92C :
62 VERSION_TEST_CHIP_88C;
64 /* Normal mass production chip. */
65 chip_version = NORMAL_CHIP;
66 chip_version |= ((value32 & TYPE_ID) ? CHIP_92C : 0);
67 chip_version |= ((value32 & VENDOR_ID) ? CHIP_VENDOR_UMC : 0);
68 /* RTL8723 with BT function. */
69 chip_version |= ((value32 & BT_FUNC) ? CHIP_8723 : 0);
70 if (IS_VENDOR_UMC(chip_version))
71 chip_version |= ((value32 & CHIP_VER_RTL_MASK) ?
72 CHIP_VENDOR_UMC_B_CUT : 0);
73 if (IS_92C_SERIAL(chip_version)) {
74 value32 = rtl_read_dword(rtlpriv, REG_HPON_FSM);
75 chip_version |= ((CHIP_BONDING_IDENTIFIER(value32) ==
76 CHIP_BONDING_92C_1T2R) ? CHIP_92C_1T2R : 0);
77 } else if (IS_8723_SERIES(chip_version)) {
78 value32 = rtl_read_dword(rtlpriv, REG_GPIO_OUTSTS);
79 chip_version |= ((value32 & RF_RL_ID) ?
80 CHIP_8723_DRV_REV : 0);
83 rtlhal->version = (enum version_8192c)chip_version;
84 switch (rtlhal->version) {
85 case VERSION_NORMAL_TSMC_CHIP_92C_1T2R:
86 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
87 ("Chip Version ID: VERSION_B_CHIP_92C.\n"));
89 case VERSION_NORMAL_TSMC_CHIP_92C:
90 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
91 ("Chip Version ID: VERSION_NORMAL_TSMC_CHIP_92C.\n"));
93 case VERSION_NORMAL_TSMC_CHIP_88C:
94 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
95 ("Chip Version ID: VERSION_NORMAL_TSMC_CHIP_88C.\n"));
97 case VERSION_NORMAL_UMC_CHIP_92C_1T2R_A_CUT:
98 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
99 ("Chip Version ID: VERSION_NORMAL_UMC_CHIP_i"
100 "92C_1T2R_A_CUT.\n"));
102 case VERSION_NORMAL_UMC_CHIP_92C_A_CUT:
103 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
104 ("Chip Version ID: VERSION_NORMAL_UMC_CHIP_"
107 case VERSION_NORMAL_UMC_CHIP_88C_A_CUT:
108 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
109 ("Chip Version ID: VERSION_NORMAL_UMC_CHIP"
112 case VERSION_NORMAL_UMC_CHIP_92C_1T2R_B_CUT:
113 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
114 ("Chip Version ID: VERSION_NORMAL_UMC_CHIP"
115 "_92C_1T2R_B_CUT.\n"));
117 case VERSION_NORMAL_UMC_CHIP_92C_B_CUT:
118 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
119 ("Chip Version ID: VERSION_NORMAL_UMC_CHIP"
122 case VERSION_NORMAL_UMC_CHIP_88C_B_CUT:
123 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
124 ("Chip Version ID: VERSION_NORMAL_UMC_CHIP"
127 case VERSION_NORMA_UMC_CHIP_8723_1T1R_A_CUT:
128 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
129 ("Chip Version ID: VERSION_NORMA_UMC_CHIP"
130 "_8723_1T1R_A_CUT.\n"));
132 case VERSION_NORMA_UMC_CHIP_8723_1T1R_B_CUT:
133 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
134 ("Chip Version ID: VERSION_NORMA_UMC_CHIP"
135 "_8723_1T1R_B_CUT.\n"));
137 case VERSION_TEST_CHIP_92C:
138 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
139 ("Chip Version ID: VERSION_TEST_CHIP_92C.\n"));
141 case VERSION_TEST_CHIP_88C:
142 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
143 ("Chip Version ID: VERSION_TEST_CHIP_88C.\n"));
146 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
147 ("Chip Version ID: ???????????????.\n"));
150 if (IS_92C_SERIAL(rtlhal->version))
152 (IS_92C_1T2R(rtlhal->version)) ? RF_1T2R : RF_2T2R;
154 rtlphy->rf_type = RF_1T1R;
155 RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
156 ("Chip RF Type: %s\n", (rtlphy->rf_type == RF_2T2R) ?
157 "RF_2T2R" : "RF_1T1R"));
158 if (get_rf_type(rtlphy) == RF_1T1R)
159 rtlpriv->dm.rfpath_rxenable[0] = true;
161 rtlpriv->dm.rfpath_rxenable[0] =
162 rtlpriv->dm.rfpath_rxenable[1] = true;
163 RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, ("VersionID = 0x%4x\n",
168 * writeLLT - LLT table write access
170 * @address: LLT logical address.
171 * @data: LLT data content
173 * Realtek hardware access function.
176 bool rtl92c_llt_write(struct ieee80211_hw *hw, u32 address, u32 data)
178 struct rtl_priv *rtlpriv = rtl_priv(hw);
181 u32 value = _LLT_INIT_ADDR(address) |
182 _LLT_INIT_DATA(data) | _LLT_OP(_LLT_WRITE_ACCESS);
184 rtl_write_dword(rtlpriv, REG_LLT_INIT, value);
186 value = rtl_read_dword(rtlpriv, REG_LLT_INIT);
187 if (_LLT_NO_ACTIVE == _LLT_OP_VALUE(value))
189 if (count > POLLING_LLT_THRESHOLD) {
190 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
191 ("Failed to polling write LLT done at"
192 " address %d! _LLT_OP_VALUE(%x)\n",
193 address, _LLT_OP_VALUE(value)));
201 * rtl92c_init_LLT_table - Init LLT table
205 * Realtek hardware access function.
208 bool rtl92c_init_llt_table(struct ieee80211_hw *hw, u32 boundary)
213 for (i = 0; i < (boundary - 1); i++) {
214 rst = rtl92c_llt_write(hw, i , i + 1);
216 printk(KERN_ERR "===> %s #1 fail\n", __func__);
221 rst = rtl92c_llt_write(hw, (boundary - 1), 0xFF);
223 printk(KERN_ERR "===> %s #2 fail\n", __func__);
226 /* Make the other pages as ring buffer
227 * This ring buffer is used as beacon buffer if we config this MAC
228 * as two MAC transfer.
229 * Otherwise used as local loopback buffer.
231 for (i = boundary; i < LLT_LAST_ENTRY_OF_TX_PKT_BUFFER; i++) {
232 rst = rtl92c_llt_write(hw, i, (i + 1));
234 printk(KERN_ERR "===> %s #3 fail\n", __func__);
238 /* Let last entry point to the start entry of ring buffer */
239 rst = rtl92c_llt_write(hw, LLT_LAST_ENTRY_OF_TX_PKT_BUFFER, boundary);
241 printk(KERN_ERR "===> %s #4 fail\n", __func__);
246 void rtl92c_set_key(struct ieee80211_hw *hw, u32 key_index,
247 u8 *p_macaddr, bool is_group, u8 enc_algo,
248 bool is_wepkey, bool clear_all)
250 struct rtl_priv *rtlpriv = rtl_priv(hw);
251 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
252 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
253 u8 *macaddr = p_macaddr;
255 bool is_pairwise = false;
256 static u8 cam_const_addr[4][6] = {
257 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
258 {0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
259 {0x00, 0x00, 0x00, 0x00, 0x00, 0x02},
260 {0x00, 0x00, 0x00, 0x00, 0x00, 0x03}
262 static u8 cam_const_broad[] = {
263 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
271 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, ("clear_all\n"));
272 for (idx = 0; idx < clear_number; idx++) {
273 rtl_cam_mark_invalid(hw, cam_offset + idx);
274 rtl_cam_empty_entry(hw, cam_offset + idx);
276 memset(rtlpriv->sec.key_buf[idx], 0,
278 rtlpriv->sec.key_len[idx] = 0;
283 case WEP40_ENCRYPTION:
284 enc_algo = CAM_WEP40;
286 case WEP104_ENCRYPTION:
287 enc_algo = CAM_WEP104;
289 case TKIP_ENCRYPTION:
292 case AESCCMP_ENCRYPTION:
296 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
297 ("iillegal switch case\n"));
301 if (is_wepkey || rtlpriv->sec.use_defaultkey) {
302 macaddr = cam_const_addr[key_index];
303 entry_id = key_index;
306 macaddr = cam_const_broad;
307 entry_id = key_index;
309 key_index = PAIRWISE_KEYIDX;
310 entry_id = CAM_PAIRWISE_KEY_POSITION;
314 if (rtlpriv->sec.key_len[key_index] == 0) {
315 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
316 ("delete one entry\n"));
317 rtl_cam_delete_one_entry(hw, p_macaddr, entry_id);
319 RT_TRACE(rtlpriv, COMP_SEC, DBG_LOUD,
320 ("The insert KEY length is %d\n",
321 rtlpriv->sec.key_len[PAIRWISE_KEYIDX]));
322 RT_TRACE(rtlpriv, COMP_SEC, DBG_LOUD,
323 ("The insert KEY is %x %x\n",
324 rtlpriv->sec.key_buf[0][0],
325 rtlpriv->sec.key_buf[0][1]));
326 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
327 ("add one entry\n"));
329 RT_PRINT_DATA(rtlpriv, COMP_SEC, DBG_LOUD,
330 "Pairwiase Key content :",
331 rtlpriv->sec.pairwise_key,
333 key_len[PAIRWISE_KEYIDX]);
334 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
335 ("set Pairwiase key\n"));
337 rtl_cam_add_one_entry(hw, macaddr, key_index,
343 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
344 ("set group key\n"));
345 if (mac->opmode == NL80211_IFTYPE_ADHOC) {
346 rtl_cam_add_one_entry(hw,
349 CAM_PAIRWISE_KEY_POSITION,
355 rtl_cam_add_one_entry(hw, macaddr, key_index,
358 rtlpriv->sec.key_buf[entry_id]);
364 u32 rtl92c_get_txdma_status(struct ieee80211_hw *hw)
366 struct rtl_priv *rtlpriv = rtl_priv(hw);
368 return rtl_read_dword(rtlpriv, REG_TXDMA_STATUS);
371 void rtl92c_enable_interrupt(struct ieee80211_hw *hw)
373 struct rtl_priv *rtlpriv = rtl_priv(hw);
374 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
375 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
376 struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw));
378 if (IS_HARDWARE_TYPE_8192CE(rtlhal)) {
379 rtl_write_dword(rtlpriv, REG_HIMR, rtlpci->irq_mask[0] &
381 rtl_write_dword(rtlpriv, REG_HIMRE, rtlpci->irq_mask[1] &
384 rtl_write_dword(rtlpriv, REG_HIMR, rtlusb->irq_mask[0] &
386 rtl_write_dword(rtlpriv, REG_HIMRE, rtlusb->irq_mask[1] &
391 void rtl92c_init_interrupt(struct ieee80211_hw *hw)
393 rtl92c_enable_interrupt(hw);
396 void rtl92c_disable_interrupt(struct ieee80211_hw *hw)
398 struct rtl_priv *rtlpriv = rtl_priv(hw);
400 rtl_write_dword(rtlpriv, REG_HIMR, IMR8190_DISABLED);
401 rtl_write_dword(rtlpriv, REG_HIMRE, IMR8190_DISABLED);
404 void rtl92c_set_qos(struct ieee80211_hw *hw, int aci)
406 struct rtl_priv *rtlpriv = rtl_priv(hw);
407 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
410 rtl92c_dm_init_edca_turbo(hw);
411 u4b_ac_param = (u32) mac->ac[aci].aifs;
413 ((u32) le16_to_cpu(mac->ac[aci].cw_min) & 0xF) <<
414 AC_PARAM_ECW_MIN_OFFSET;
416 ((u32) le16_to_cpu(mac->ac[aci].cw_max) & 0xF) <<
417 AC_PARAM_ECW_MAX_OFFSET;
418 u4b_ac_param |= (u32) le16_to_cpu(mac->ac[aci].tx_op) <<
419 AC_PARAM_TXOP_OFFSET;
420 RT_TRACE(rtlpriv, COMP_QOS, DBG_LOUD,
421 ("queue:%x, ac_param:%x\n", aci, u4b_ac_param));
424 rtl_write_dword(rtlpriv, REG_EDCA_BK_PARAM, u4b_ac_param);
427 rtl_write_dword(rtlpriv, REG_EDCA_BE_PARAM, u4b_ac_param);
430 rtl_write_dword(rtlpriv, REG_EDCA_VI_PARAM, u4b_ac_param);
433 rtl_write_dword(rtlpriv, REG_EDCA_VO_PARAM, u4b_ac_param);
436 RT_ASSERT(false, ("invalid aci: %d !\n", aci));
441 /*-------------------------------------------------------------------------
443 *-------------------------------------------------------------------------*/
444 void rtl92c_set_mac_addr(struct ieee80211_hw *hw, const u8 *addr)
447 struct rtl_priv *rtlpriv = rtl_priv(hw);
449 for (i = 0 ; i < ETH_ALEN ; i++)
450 rtl_write_byte(rtlpriv, (REG_MACID + i), *(addr+i));
452 RT_TRACE(rtlpriv, COMP_CMD, DBG_DMESG, ("MAC Address: %02X-%02X-%02X-"
454 rtl_read_byte(rtlpriv, REG_MACID),
455 rtl_read_byte(rtlpriv, REG_MACID+1),
456 rtl_read_byte(rtlpriv, REG_MACID+2),
457 rtl_read_byte(rtlpriv, REG_MACID+3),
458 rtl_read_byte(rtlpriv, REG_MACID+4),
459 rtl_read_byte(rtlpriv, REG_MACID+5)));
462 void rtl92c_init_driver_info_size(struct ieee80211_hw *hw, u8 size)
464 struct rtl_priv *rtlpriv = rtl_priv(hw);
465 rtl_write_byte(rtlpriv, REG_RX_DRVINFO_SZ, size);
468 int rtl92c_set_network_type(struct ieee80211_hw *hw, enum nl80211_iftype type)
471 struct rtl_priv *rtlpriv = rtl_priv(hw);
474 case NL80211_IFTYPE_UNSPECIFIED:
476 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
477 ("Set Network type to NO LINK!\n"));
479 case NL80211_IFTYPE_ADHOC:
480 value = NT_LINK_AD_HOC;
481 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
482 ("Set Network type to Ad Hoc!\n"));
484 case NL80211_IFTYPE_STATION:
486 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
487 ("Set Network type to STA!\n"));
489 case NL80211_IFTYPE_AP:
491 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
492 ("Set Network type to AP!\n"));
495 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
496 ("Network type %d not support!\n", type));
499 rtl_write_byte(rtlpriv, (REG_CR + 2), value);
503 void rtl92c_init_network_type(struct ieee80211_hw *hw)
505 rtl92c_set_network_type(hw, NL80211_IFTYPE_UNSPECIFIED);
508 void rtl92c_init_adaptive_ctrl(struct ieee80211_hw *hw)
512 struct rtl_priv *rtlpriv = rtl_priv(hw);
514 /* Response Rate Set */
515 value32 = rtl_read_dword(rtlpriv, REG_RRSR);
516 value32 &= ~RATE_BITMAP_ALL;
517 value32 |= RATE_RRSR_CCK_ONLY_1M;
518 rtl_write_dword(rtlpriv, REG_RRSR, value32);
519 /* SIFS (used in NAV) */
520 value16 = _SPEC_SIFS_CCK(0x10) | _SPEC_SIFS_OFDM(0x10);
521 rtl_write_word(rtlpriv, REG_SPEC_SIFS, value16);
523 value16 = _LRL(0x30) | _SRL(0x30);
524 rtl_write_dword(rtlpriv, REG_RL, value16);
527 void rtl92c_init_rate_fallback(struct ieee80211_hw *hw)
529 struct rtl_priv *rtlpriv = rtl_priv(hw);
531 /* Set Data Auto Rate Fallback Retry Count register. */
532 rtl_write_dword(rtlpriv, REG_DARFRC, 0x00000000);
533 rtl_write_dword(rtlpriv, REG_DARFRC+4, 0x10080404);
534 rtl_write_dword(rtlpriv, REG_RARFRC, 0x04030201);
535 rtl_write_dword(rtlpriv, REG_RARFRC+4, 0x08070605);
538 static void rtl92c_set_cck_sifs(struct ieee80211_hw *hw, u8 trx_sifs,
541 struct rtl_priv *rtlpriv = rtl_priv(hw);
543 rtl_write_byte(rtlpriv, REG_SIFS_CCK, trx_sifs);
544 rtl_write_byte(rtlpriv, (REG_SIFS_CCK + 1), ctx_sifs);
547 static void rtl92c_set_ofdm_sifs(struct ieee80211_hw *hw, u8 trx_sifs,
550 struct rtl_priv *rtlpriv = rtl_priv(hw);
552 rtl_write_byte(rtlpriv, REG_SIFS_OFDM, trx_sifs);
553 rtl_write_byte(rtlpriv, (REG_SIFS_OFDM + 1), ctx_sifs);
556 void rtl92c_init_edca_param(struct ieee80211_hw *hw,
557 u16 queue, u16 txop, u8 cw_min, u8 cw_max, u8 aifs)
559 /* sequence: VO, VI, BE, BK ==> the same as 92C hardware design.
560 * referenc : enum nl80211_txq_q or ieee80211_set_wmm_default function.
563 struct rtl_priv *rtlpriv = rtl_priv(hw);
566 value |= ((u32)cw_min & 0xF) << 8;
567 value |= ((u32)cw_max & 0xF) << 12;
568 value |= (u32)txop << 16;
569 /* 92C hardware register sequence is the same as queue number. */
570 rtl_write_dword(rtlpriv, (REG_EDCA_VO_PARAM + (queue * 4)), value);
573 void rtl92c_init_edca(struct ieee80211_hw *hw)
576 struct rtl_priv *rtlpriv = rtl_priv(hw);
578 /* disable EDCCA count down, to reduce collison and retry */
579 value16 = rtl_read_word(rtlpriv, REG_RD_CTRL);
580 value16 |= DIS_EDCA_CNT_DWN;
581 rtl_write_word(rtlpriv, REG_RD_CTRL, value16);
582 /* Update SIFS timing. ??????????
583 * pHalData->SifsTime = 0x0e0e0a0a; */
584 rtl92c_set_cck_sifs(hw, 0xa, 0xa);
585 rtl92c_set_ofdm_sifs(hw, 0xe, 0xe);
586 /* Set CCK/OFDM SIFS to be 10us. */
587 rtl_write_word(rtlpriv, REG_SIFS_CCK, 0x0a0a);
588 rtl_write_word(rtlpriv, REG_SIFS_OFDM, 0x1010);
589 rtl_write_word(rtlpriv, REG_PROT_MODE_CTRL, 0x0204);
590 rtl_write_dword(rtlpriv, REG_BAR_MODE_CTRL, 0x014004);
592 rtl_write_dword(rtlpriv, REG_EDCA_BE_PARAM, 0x005EA42B);
593 rtl_write_dword(rtlpriv, REG_EDCA_BK_PARAM, 0x0000A44F);
594 rtl_write_dword(rtlpriv, REG_EDCA_VI_PARAM, 0x005EA324);
595 rtl_write_dword(rtlpriv, REG_EDCA_VO_PARAM, 0x002FA226);
597 rtl_write_byte(rtlpriv, REG_PIFS, 0x1C);
598 /* AGGR BREAK TIME Register */
599 rtl_write_byte(rtlpriv, REG_AGGR_BREAK_TIME, 0x16);
600 rtl_write_word(rtlpriv, REG_NAV_PROT_LEN, 0x0040);
601 rtl_write_byte(rtlpriv, REG_BCNDMATIM, 0x02);
602 rtl_write_byte(rtlpriv, REG_ATIMWND, 0x02);
605 void rtl92c_init_ampdu_aggregation(struct ieee80211_hw *hw)
607 struct rtl_priv *rtlpriv = rtl_priv(hw);
609 rtl_write_dword(rtlpriv, REG_AGGLEN_LMT, 0x99997631);
610 rtl_write_byte(rtlpriv, REG_AGGR_BREAK_TIME, 0x16);
611 /* init AMPDU aggregation number, tuning for Tx's TP, */
612 rtl_write_word(rtlpriv, 0x4CA, 0x0708);
615 void rtl92c_init_beacon_max_error(struct ieee80211_hw *hw, bool infra_mode)
617 struct rtl_priv *rtlpriv = rtl_priv(hw);
619 rtl_write_byte(rtlpriv, REG_BCN_MAX_ERR, 0xFF);
622 void rtl92c_init_rdg_setting(struct ieee80211_hw *hw)
624 struct rtl_priv *rtlpriv = rtl_priv(hw);
626 rtl_write_byte(rtlpriv, REG_RD_CTRL, 0xFF);
627 rtl_write_word(rtlpriv, REG_RD_NAV_NXT, 0x200);
628 rtl_write_byte(rtlpriv, REG_RD_RESP_PKT_TH, 0x05);
631 void rtl92c_init_retry_function(struct ieee80211_hw *hw)
634 struct rtl_priv *rtlpriv = rtl_priv(hw);
636 value8 = rtl_read_byte(rtlpriv, REG_FWHW_TXQ_CTRL);
637 value8 |= EN_AMPDU_RTY_NEW;
638 rtl_write_byte(rtlpriv, REG_FWHW_TXQ_CTRL, value8);
639 /* Set ACK timeout */
640 rtl_write_byte(rtlpriv, REG_ACKTO, 0x40);
643 void rtl92c_init_beacon_parameters(struct ieee80211_hw *hw,
644 enum version_8192c version)
646 struct rtl_priv *rtlpriv = rtl_priv(hw);
647 struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
649 rtl_write_word(rtlpriv, REG_TBTT_PROHIBIT, 0x6404);/* ms */
650 rtl_write_byte(rtlpriv, REG_DRVERLYINT, DRIVER_EARLY_INT_TIME);/*ms*/
651 rtl_write_byte(rtlpriv, REG_BCNDMATIM, BCN_DMA_ATIME_INT_TIME);
652 if (IS_NORMAL_CHIP(rtlhal->version))
653 rtl_write_word(rtlpriv, REG_BCNTCFG, 0x660F);
655 rtl_write_word(rtlpriv, REG_BCNTCFG, 0x66FF);
658 void rtl92c_disable_fast_edca(struct ieee80211_hw *hw)
660 struct rtl_priv *rtlpriv = rtl_priv(hw);
662 rtl_write_word(rtlpriv, REG_FAST_EDCA_CTRL, 0);
665 void rtl92c_set_min_space(struct ieee80211_hw *hw, bool is2T)
667 struct rtl_priv *rtlpriv = rtl_priv(hw);
668 u8 value = is2T ? MAX_MSS_DENSITY_2T : MAX_MSS_DENSITY_1T;
670 rtl_write_byte(rtlpriv, REG_AMPDU_MIN_SPACE, value);
673 u16 rtl92c_get_mgt_filter(struct ieee80211_hw *hw)
675 struct rtl_priv *rtlpriv = rtl_priv(hw);
677 return rtl_read_word(rtlpriv, REG_RXFLTMAP0);
680 void rtl92c_set_mgt_filter(struct ieee80211_hw *hw, u16 filter)
682 struct rtl_priv *rtlpriv = rtl_priv(hw);
684 rtl_write_word(rtlpriv, REG_RXFLTMAP0, filter);
687 u16 rtl92c_get_ctrl_filter(struct ieee80211_hw *hw)
689 struct rtl_priv *rtlpriv = rtl_priv(hw);
691 return rtl_read_word(rtlpriv, REG_RXFLTMAP1);
694 void rtl92c_set_ctrl_filter(struct ieee80211_hw *hw, u16 filter)
696 struct rtl_priv *rtlpriv = rtl_priv(hw);
698 rtl_write_word(rtlpriv, REG_RXFLTMAP1, filter);
701 u16 rtl92c_get_data_filter(struct ieee80211_hw *hw)
703 struct rtl_priv *rtlpriv = rtl_priv(hw);
705 return rtl_read_word(rtlpriv, REG_RXFLTMAP2);
708 void rtl92c_set_data_filter(struct ieee80211_hw *hw, u16 filter)
710 struct rtl_priv *rtlpriv = rtl_priv(hw);
712 rtl_write_word(rtlpriv, REG_RXFLTMAP2, filter);
714 /*==============================================================*/
716 static u8 _rtl92c_query_rxpwrpercentage(char antpower)
718 if ((antpower <= -100) || (antpower >= 20))
720 else if (antpower >= 0)
723 return 100 + antpower;
726 static u8 _rtl92c_evm_db_to_percentage(char value)
735 ret_val = 0 - ret_val;
742 static long _rtl92c_translate_todbm(struct ieee80211_hw *hw,
743 u8 signal_strength_index)
747 signal_power = (long)((signal_strength_index + 1) >> 1);
752 static long _rtl92c_signal_scale_mapping(struct ieee80211_hw *hw,
757 if (currsig >= 61 && currsig <= 100)
758 retsig = 90 + ((currsig - 60) / 4);
759 else if (currsig >= 41 && currsig <= 60)
760 retsig = 78 + ((currsig - 40) / 2);
761 else if (currsig >= 31 && currsig <= 40)
762 retsig = 66 + (currsig - 30);
763 else if (currsig >= 21 && currsig <= 30)
764 retsig = 54 + (currsig - 20);
765 else if (currsig >= 5 && currsig <= 20)
766 retsig = 42 + (((currsig - 5) * 2) / 3);
767 else if (currsig == 4)
769 else if (currsig == 3)
771 else if (currsig == 2)
773 else if (currsig == 1)
780 static void _rtl92c_query_rxphystatus(struct ieee80211_hw *hw,
781 struct rtl_stats *pstats,
782 struct rx_desc_92c *pdesc,
783 struct rx_fwinfo_92c *p_drvinfo,
784 bool packet_match_bssid,
788 struct rtl_priv *rtlpriv = rtl_priv(hw);
789 struct rtl_phy *rtlphy = &(rtlpriv->phy);
790 struct phy_sts_cck_8192s_t *cck_buf;
791 s8 rx_pwr_all = 0, rx_pwr[4];
792 u8 rf_rx_num = 0, evm, pwdb_all;
793 u8 i, max_spatial_stream;
794 u32 rssi, total_rssi = 0;
795 bool in_powersavemode = false;
798 is_cck_rate = RX_HAL_IS_CCK_RATE(pdesc);
799 pstats->packet_matchbssid = packet_match_bssid;
800 pstats->packet_toself = packet_toself;
801 pstats->is_cck = is_cck_rate;
802 pstats->packet_beacon = packet_beacon;
803 pstats->is_cck = is_cck_rate;
804 pstats->RX_SIGQ[0] = -1;
805 pstats->RX_SIGQ[1] = -1;
807 u8 report, cck_highpwr;
808 cck_buf = (struct phy_sts_cck_8192s_t *)p_drvinfo;
809 if (!in_powersavemode)
810 cck_highpwr = rtlphy->cck_high_power;
814 u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
815 report = cck_buf->cck_agc_rpt & 0xc0;
816 report = report >> 6;
819 rx_pwr_all = -46 - (cck_agc_rpt & 0x3e);
822 rx_pwr_all = -26 - (cck_agc_rpt & 0x3e);
825 rx_pwr_all = -12 - (cck_agc_rpt & 0x3e);
828 rx_pwr_all = 16 - (cck_agc_rpt & 0x3e);
832 u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
833 report = p_drvinfo->cfosho[0] & 0x60;
834 report = report >> 5;
837 rx_pwr_all = -46 - ((cck_agc_rpt & 0x1f) << 1);
840 rx_pwr_all = -26 - ((cck_agc_rpt & 0x1f) << 1);
843 rx_pwr_all = -12 - ((cck_agc_rpt & 0x1f) << 1);
846 rx_pwr_all = 16 - ((cck_agc_rpt & 0x1f) << 1);
850 pwdb_all = _rtl92c_query_rxpwrpercentage(rx_pwr_all);
851 pstats->rx_pwdb_all = pwdb_all;
852 pstats->recvsignalpower = rx_pwr_all;
853 if (packet_match_bssid) {
855 if (pstats->rx_pwdb_all > 40)
858 sq = cck_buf->sq_rpt;
864 sq = ((64 - sq) * 100) / 44;
866 pstats->signalquality = sq;
867 pstats->RX_SIGQ[0] = sq;
868 pstats->RX_SIGQ[1] = -1;
871 rtlpriv->dm.rfpath_rxenable[0] =
872 rtlpriv->dm.rfpath_rxenable[1] = true;
873 for (i = RF90_PATH_A; i < RF90_PATH_MAX; i++) {
874 if (rtlpriv->dm.rfpath_rxenable[i])
877 ((p_drvinfo->gain_trsw[i] & 0x3f) * 2) - 110;
878 rssi = _rtl92c_query_rxpwrpercentage(rx_pwr[i]);
880 rtlpriv->stats.rx_snr_db[i] =
881 (long)(p_drvinfo->rxsnr[i] / 2);
883 if (packet_match_bssid)
884 pstats->rx_mimo_signalstrength[i] = (u8) rssi;
886 rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 110;
887 pwdb_all = _rtl92c_query_rxpwrpercentage(rx_pwr_all);
888 pstats->rx_pwdb_all = pwdb_all;
889 pstats->rxpower = rx_pwr_all;
890 pstats->recvsignalpower = rx_pwr_all;
891 if (GET_RX_DESC_RX_MCS(pdesc) &&
892 GET_RX_DESC_RX_MCS(pdesc) >= DESC92C_RATEMCS8 &&
893 GET_RX_DESC_RX_MCS(pdesc) <= DESC92C_RATEMCS15)
894 max_spatial_stream = 2;
896 max_spatial_stream = 1;
897 for (i = 0; i < max_spatial_stream; i++) {
898 evm = _rtl92c_evm_db_to_percentage(p_drvinfo->rxevm[i]);
899 if (packet_match_bssid) {
901 pstats->signalquality =
909 pstats->signalstrength =
910 (u8) (_rtl92c_signal_scale_mapping(hw, pwdb_all));
911 else if (rf_rx_num != 0)
912 pstats->signalstrength =
913 (u8) (_rtl92c_signal_scale_mapping
914 (hw, total_rssi /= rf_rx_num));
917 static void _rtl92c_process_ui_rssi(struct ieee80211_hw *hw,
918 struct rtl_stats *pstats)
920 struct rtl_priv *rtlpriv = rtl_priv(hw);
921 struct rtl_phy *rtlphy = &(rtlpriv->phy);
923 u32 last_rssi, tmpval;
925 if (pstats->packet_toself || pstats->packet_beacon) {
926 rtlpriv->stats.rssi_calculate_cnt++;
927 if (rtlpriv->stats.ui_rssi.total_num++ >=
928 PHY_RSSI_SLID_WIN_MAX) {
929 rtlpriv->stats.ui_rssi.total_num =
930 PHY_RSSI_SLID_WIN_MAX;
932 rtlpriv->stats.ui_rssi.elements[rtlpriv->
933 stats.ui_rssi.index];
934 rtlpriv->stats.ui_rssi.total_val -= last_rssi;
936 rtlpriv->stats.ui_rssi.total_val += pstats->signalstrength;
937 rtlpriv->stats.ui_rssi.elements[rtlpriv->stats.ui_rssi.
938 index++] = pstats->signalstrength;
939 if (rtlpriv->stats.ui_rssi.index >= PHY_RSSI_SLID_WIN_MAX)
940 rtlpriv->stats.ui_rssi.index = 0;
941 tmpval = rtlpriv->stats.ui_rssi.total_val /
942 rtlpriv->stats.ui_rssi.total_num;
943 rtlpriv->stats.signal_strength =
944 _rtl92c_translate_todbm(hw, (u8) tmpval);
945 pstats->rssi = rtlpriv->stats.signal_strength;
947 if (!pstats->is_cck && pstats->packet_toself) {
948 for (rfpath = RF90_PATH_A; rfpath < rtlphy->num_total_rfpath;
950 if (!rtl8192_phy_check_is_legal_rfpath(hw, rfpath))
952 if (rtlpriv->stats.rx_rssi_percentage[rfpath] == 0) {
953 rtlpriv->stats.rx_rssi_percentage[rfpath] =
954 pstats->rx_mimo_signalstrength[rfpath];
956 if (pstats->rx_mimo_signalstrength[rfpath] >
957 rtlpriv->stats.rx_rssi_percentage[rfpath]) {
958 rtlpriv->stats.rx_rssi_percentage[rfpath] =
960 rx_rssi_percentage[rfpath] *
961 (RX_SMOOTH_FACTOR - 1)) +
962 (pstats->rx_mimo_signalstrength[rfpath])) /
965 rtlpriv->stats.rx_rssi_percentage[rfpath] =
966 rtlpriv->stats.rx_rssi_percentage[rfpath] +
969 rtlpriv->stats.rx_rssi_percentage[rfpath] =
971 rx_rssi_percentage[rfpath] *
972 (RX_SMOOTH_FACTOR - 1)) +
973 (pstats->rx_mimo_signalstrength[rfpath])) /
980 static void _rtl92c_update_rxsignalstatistics(struct ieee80211_hw *hw,
981 struct rtl_stats *pstats)
983 struct rtl_priv *rtlpriv = rtl_priv(hw);
986 if (rtlpriv->stats.recv_signal_power == 0)
987 rtlpriv->stats.recv_signal_power = pstats->recvsignalpower;
988 if (pstats->recvsignalpower > rtlpriv->stats.recv_signal_power)
990 else if (pstats->recvsignalpower < rtlpriv->stats.recv_signal_power)
992 rtlpriv->stats.recv_signal_power =
993 (rtlpriv->stats.recv_signal_power * 5 +
994 pstats->recvsignalpower + weighting) / 6;
997 static void _rtl92c_process_pwdb(struct ieee80211_hw *hw,
998 struct rtl_stats *pstats)
1000 struct rtl_priv *rtlpriv = rtl_priv(hw);
1001 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1002 long undecorated_smoothed_pwdb = 0;
1004 if (mac->opmode == NL80211_IFTYPE_ADHOC) {
1007 undecorated_smoothed_pwdb =
1008 rtlpriv->dm.undecorated_smoothed_pwdb;
1010 if (pstats->packet_toself || pstats->packet_beacon) {
1011 if (undecorated_smoothed_pwdb < 0)
1012 undecorated_smoothed_pwdb = pstats->rx_pwdb_all;
1013 if (pstats->rx_pwdb_all > (u32) undecorated_smoothed_pwdb) {
1014 undecorated_smoothed_pwdb =
1015 (((undecorated_smoothed_pwdb) *
1016 (RX_SMOOTH_FACTOR - 1)) +
1017 (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR);
1018 undecorated_smoothed_pwdb = undecorated_smoothed_pwdb
1021 undecorated_smoothed_pwdb =
1022 (((undecorated_smoothed_pwdb) *
1023 (RX_SMOOTH_FACTOR - 1)) +
1024 (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR);
1026 rtlpriv->dm.undecorated_smoothed_pwdb =
1027 undecorated_smoothed_pwdb;
1028 _rtl92c_update_rxsignalstatistics(hw, pstats);
1032 static void _rtl92c_process_LINK_Q(struct ieee80211_hw *hw,
1033 struct rtl_stats *pstats)
1035 struct rtl_priv *rtlpriv = rtl_priv(hw);
1036 u32 last_evm = 0, n_stream, tmpval;
1038 if (pstats->signalquality != 0) {
1039 if (pstats->packet_toself || pstats->packet_beacon) {
1040 if (rtlpriv->stats.LINK_Q.total_num++ >=
1041 PHY_LINKQUALITY_SLID_WIN_MAX) {
1042 rtlpriv->stats.LINK_Q.total_num =
1043 PHY_LINKQUALITY_SLID_WIN_MAX;
1045 rtlpriv->stats.LINK_Q.elements
1046 [rtlpriv->stats.LINK_Q.index];
1047 rtlpriv->stats.LINK_Q.total_val -=
1050 rtlpriv->stats.LINK_Q.total_val +=
1051 pstats->signalquality;
1052 rtlpriv->stats.LINK_Q.elements
1053 [rtlpriv->stats.LINK_Q.index++] =
1054 pstats->signalquality;
1055 if (rtlpriv->stats.LINK_Q.index >=
1056 PHY_LINKQUALITY_SLID_WIN_MAX)
1057 rtlpriv->stats.LINK_Q.index = 0;
1058 tmpval = rtlpriv->stats.LINK_Q.total_val /
1059 rtlpriv->stats.LINK_Q.total_num;
1060 rtlpriv->stats.signal_quality = tmpval;
1061 rtlpriv->stats.last_sigstrength_inpercent = tmpval;
1062 for (n_stream = 0; n_stream < 2;
1064 if (pstats->RX_SIGQ[n_stream] != -1) {
1065 if (!rtlpriv->stats.RX_EVM[n_stream]) {
1066 rtlpriv->stats.RX_EVM[n_stream]
1067 = pstats->RX_SIGQ[n_stream];
1069 rtlpriv->stats.RX_EVM[n_stream] =
1070 ((rtlpriv->stats.RX_EVM
1072 (RX_SMOOTH_FACTOR - 1)) +
1084 static void _rtl92c_process_phyinfo(struct ieee80211_hw *hw,
1086 struct rtl_stats *pcurrent_stats)
1088 if (!pcurrent_stats->packet_matchbssid &&
1089 !pcurrent_stats->packet_beacon)
1091 _rtl92c_process_ui_rssi(hw, pcurrent_stats);
1092 _rtl92c_process_pwdb(hw, pcurrent_stats);
1093 _rtl92c_process_LINK_Q(hw, pcurrent_stats);
1096 void rtl92c_translate_rx_signal_stuff(struct ieee80211_hw *hw,
1097 struct sk_buff *skb,
1098 struct rtl_stats *pstats,
1099 struct rx_desc_92c *pdesc,
1100 struct rx_fwinfo_92c *p_drvinfo)
1102 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1103 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
1104 struct ieee80211_hdr *hdr;
1109 bool packet_matchbssid, packet_toself, packet_beacon;
1111 tmp_buf = skb->data + pstats->rx_drvinfo_size + pstats->rx_bufshift;
1112 hdr = (struct ieee80211_hdr *)tmp_buf;
1113 fc = hdr->frame_control;
1114 cpu_fc = le16_to_cpu(fc);
1115 type = WLAN_FC_GET_TYPE(fc);
1116 praddr = hdr->addr1;
1118 ((IEEE80211_FTYPE_CTL != type) &&
1119 (!compare_ether_addr(mac->bssid,
1120 (cpu_fc & IEEE80211_FCTL_TODS) ?
1121 hdr->addr1 : (cpu_fc & IEEE80211_FCTL_FROMDS) ?
1122 hdr->addr2 : hdr->addr3)) &&
1123 (!pstats->hwerror) && (!pstats->crc) && (!pstats->icv));
1125 packet_toself = packet_matchbssid &&
1126 (!compare_ether_addr(praddr, rtlefuse->dev_addr));
1127 if (ieee80211_is_beacon(fc))
1128 packet_beacon = true;
1129 _rtl92c_query_rxphystatus(hw, pstats, pdesc, p_drvinfo,
1130 packet_matchbssid, packet_toself,
1132 _rtl92c_process_phyinfo(hw, tmp_buf, pstats);