Merge tag 'iommu-updates-v4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/joro...
[cascardo/linux.git] / drivers / staging / rtl8188eu / hal / rtl8188e_dm.c
1 /******************************************************************************
2  *
3  * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
4  *
5  * This program is free software; you can redistribute it and/or modify it
6  * under the terms of version 2 of the GNU General Public License as
7  * published by the Free Software Foundation.
8  *
9  * This program is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12  * more details.
13  *
14  * You should have received a copy of the GNU General Public License along with
15  * this program; if not, write to the Free Software Foundation, Inc.,
16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
17  *
18  *
19  ******************************************************************************/
20 /*  */
21 /*  Description: */
22 /*  */
23 /*  This file is for 92CE/92CU dynamic mechanism only */
24 /*  */
25 /*  */
26 /*  */
27 #define _RTL8188E_DM_C_
28
29 #include <osdep_service.h>
30 #include <drv_types.h>
31
32 #include <rtl8188e_hal.h>
33
34 /*  Initialize GPIO setting registers */
35 static void dm_InitGPIOSetting(struct adapter *Adapter)
36 {
37         u8      tmp1byte;
38
39         tmp1byte = usb_read8(Adapter, REG_GPIO_MUXCFG);
40         tmp1byte &= (GPIOSEL_GPIO | ~GPIOSEL_ENBT);
41
42         usb_write8(Adapter, REG_GPIO_MUXCFG, tmp1byte);
43 }
44
45 /*  */
46 /*  functions */
47 /*  */
48 static void Init_ODM_ComInfo_88E(struct adapter *Adapter)
49 {
50         struct hal_data_8188e *hal_data = GET_HAL_DATA(Adapter);
51         struct dm_priv  *pdmpriv = &hal_data->dmpriv;
52         struct odm_dm_struct *dm_odm = &(hal_data->odmpriv);
53         u8 cut_ver;
54
55         /*  Init Value */
56         memset(dm_odm, 0, sizeof(*dm_odm));
57
58         dm_odm->Adapter = Adapter;
59
60         ODM_CmnInfoInit(dm_odm, ODM_CMNINFO_PLATFORM, ODM_CE);
61
62         ODM_CmnInfoInit(dm_odm, ODM_CMNINFO_IC_TYPE, ODM_RTL8188E);
63
64         cut_ver = ODM_CUT_A;
65
66         ODM_CmnInfoInit(dm_odm, ODM_CMNINFO_CUT_VER, cut_ver);
67
68         ODM_CmnInfoInit(dm_odm, ODM_CMNINFO_MP_TEST_CHIP, hal_data->VersionID.ChipType == NORMAL_CHIP ? true : false);
69
70         ODM_CmnInfoInit(dm_odm, ODM_CMNINFO_PATCH_ID, hal_data->CustomerID);
71         ODM_CmnInfoInit(dm_odm, ODM_CMNINFO_BWIFI_TEST, Adapter->registrypriv.wifi_spec);
72
73
74         if (hal_data->rf_type == RF_1T1R)
75                 ODM_CmnInfoUpdate(dm_odm, ODM_CMNINFO_RF_TYPE, ODM_1T1R);
76         else if (hal_data->rf_type == RF_2T2R)
77                 ODM_CmnInfoUpdate(dm_odm, ODM_CMNINFO_RF_TYPE, ODM_2T2R);
78         else if (hal_data->rf_type == RF_1T2R)
79                 ODM_CmnInfoUpdate(dm_odm, ODM_CMNINFO_RF_TYPE, ODM_1T2R);
80
81         ODM_CmnInfoInit(dm_odm, ODM_CMNINFO_RF_ANTENNA_TYPE, hal_data->TRxAntDivType);
82
83         pdmpriv->InitODMFlag =  ODM_RF_CALIBRATION |
84                                 ODM_RF_TX_PWR_TRACK;
85
86         ODM_CmnInfoUpdate(dm_odm, ODM_CMNINFO_ABILITY, pdmpriv->InitODMFlag);
87 }
88
89 static void Update_ODM_ComInfo_88E(struct adapter *Adapter)
90 {
91         struct mlme_ext_priv    *pmlmeext = &Adapter->mlmeextpriv;
92         struct mlme_priv        *pmlmepriv = &Adapter->mlmepriv;
93         struct pwrctrl_priv *pwrctrlpriv = &Adapter->pwrctrlpriv;
94         struct hal_data_8188e *hal_data = GET_HAL_DATA(Adapter);
95         struct odm_dm_struct *dm_odm = &(hal_data->odmpriv);
96         struct dm_priv  *pdmpriv = &hal_data->dmpriv;
97         int i;
98
99         pdmpriv->InitODMFlag =  ODM_BB_DIG |
100                                 ODM_BB_RA_MASK |
101                                 ODM_BB_DYNAMIC_TXPWR |
102                                 ODM_BB_FA_CNT |
103                                 ODM_BB_RSSI_MONITOR |
104                                 ODM_BB_CCK_PD |
105                                 ODM_BB_PWR_SAVE |
106                                 ODM_MAC_EDCA_TURBO |
107                                 ODM_RF_CALIBRATION |
108                                 ODM_RF_TX_PWR_TRACK;
109         if (hal_data->AntDivCfg)
110                 pdmpriv->InitODMFlag |= ODM_BB_ANT_DIV;
111
112         if (Adapter->registrypriv.mp_mode == 1) {
113                 pdmpriv->InitODMFlag =  ODM_RF_CALIBRATION |
114                                         ODM_RF_TX_PWR_TRACK;
115         }
116
117         ODM_CmnInfoUpdate(dm_odm, ODM_CMNINFO_ABILITY, pdmpriv->InitODMFlag);
118
119         ODM_CmnInfoHook(dm_odm, ODM_CMNINFO_TX_UNI, &(Adapter->xmitpriv.tx_bytes));
120         ODM_CmnInfoHook(dm_odm, ODM_CMNINFO_RX_UNI, &(Adapter->recvpriv.rx_bytes));
121         ODM_CmnInfoHook(dm_odm, ODM_CMNINFO_WM_MODE, &(pmlmeext->cur_wireless_mode));
122         ODM_CmnInfoHook(dm_odm, ODM_CMNINFO_SEC_CHNL_OFFSET, &(hal_data->nCur40MhzPrimeSC));
123         ODM_CmnInfoHook(dm_odm, ODM_CMNINFO_SEC_MODE, &(Adapter->securitypriv.dot11PrivacyAlgrthm));
124         ODM_CmnInfoHook(dm_odm, ODM_CMNINFO_BW, &(hal_data->CurrentChannelBW));
125         ODM_CmnInfoHook(dm_odm, ODM_CMNINFO_CHNL, &(hal_data->CurrentChannel));
126         ODM_CmnInfoHook(dm_odm, ODM_CMNINFO_NET_CLOSED, &(Adapter->net_closed));
127         ODM_CmnInfoHook(dm_odm, ODM_CMNINFO_MP_MODE, &(Adapter->registrypriv.mp_mode));
128         ODM_CmnInfoHook(dm_odm, ODM_CMNINFO_SCAN, &(pmlmepriv->bScanInProcess));
129         ODM_CmnInfoHook(dm_odm, ODM_CMNINFO_POWER_SAVING, &(pwrctrlpriv->bpower_saving));
130         ODM_CmnInfoInit(dm_odm, ODM_CMNINFO_RF_ANTENNA_TYPE, hal_data->TRxAntDivType);
131
132         for (i = 0; i < NUM_STA; i++)
133                 ODM_CmnInfoPtrArrayHook(dm_odm, ODM_CMNINFO_STA_STATUS, i, NULL);
134 }
135
136 void rtl8188e_InitHalDm(struct adapter *Adapter)
137 {
138         struct hal_data_8188e *hal_data = GET_HAL_DATA(Adapter);
139         struct dm_priv  *pdmpriv = &hal_data->dmpriv;
140         struct odm_dm_struct *dm_odm = &(hal_data->odmpriv);
141
142         dm_InitGPIOSetting(Adapter);
143         pdmpriv->DM_Type = DM_Type_ByDriver;
144         pdmpriv->DMFlag = DYNAMIC_FUNC_DISABLE;
145         Update_ODM_ComInfo_88E(Adapter);
146         ODM_DMInit(dm_odm);
147         Adapter->fix_rate = 0xFF;
148 }
149
150 void rtl8188e_HalDmWatchDog(struct adapter *Adapter)
151 {
152         bool fw_ps_awake = true;
153         u8 hw_init_completed = false;
154         struct hal_data_8188e *hal_data = GET_HAL_DATA(Adapter);
155         struct mlme_priv *pmlmepriv = NULL;
156         u8 bLinked = false;
157
158         hw_init_completed = Adapter->hw_init_completed;
159
160         if (!hw_init_completed)
161                 goto skip_dm;
162
163         rtw_hal_get_hwreg(Adapter, HW_VAR_FWLPS_RF_ON, (u8 *)(&fw_ps_awake));
164
165         /*  Fw is under p2p powersaving mode, driver should stop dynamic mechanism. */
166         /*  modifed by thomas. 2011.06.11. */
167         if (Adapter->wdinfo.p2p_ps_mode)
168                 fw_ps_awake = false;
169
170         /* ODM */
171         pmlmepriv = &Adapter->mlmepriv;
172
173         if ((check_fwstate(pmlmepriv, WIFI_AP_STATE)) ||
174             (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE |
175                            WIFI_ADHOC_MASTER_STATE))) {
176                 if (Adapter->stapriv.asoc_sta_count > 2)
177                         bLinked = true;
178         } else {/* Station mode */
179                 if (check_fwstate(pmlmepriv, _FW_LINKED))
180                         bLinked = true;
181         }
182
183         ODM_CmnInfoUpdate(&hal_data->odmpriv, ODM_CMNINFO_LINK, bLinked);
184         ODM_DMWatchdog(&hal_data->odmpriv);
185 skip_dm:
186         /*  Check GPIO to determine current RF on/off and Pbc status. */
187         /*  Check Hardware Radio ON/OFF or not */
188         return;
189 }
190
191 void rtl8188e_init_dm_priv(struct adapter *Adapter)
192 {
193         struct hal_data_8188e *hal_data = GET_HAL_DATA(Adapter);
194         struct dm_priv  *pdmpriv = &hal_data->dmpriv;
195         struct odm_dm_struct *podmpriv = &hal_data->odmpriv;
196
197         memset(pdmpriv, 0, sizeof(struct dm_priv));
198         Init_ODM_ComInfo_88E(Adapter);
199         ODM_InitDebugSetting(podmpriv);
200 }
201
202 /*  Add new function to reset the state of antenna diversity before link. */
203 /*  Compare RSSI for deciding antenna */
204 void AntDivCompare8188E(struct adapter *Adapter, struct wlan_bssid_ex *dst, struct wlan_bssid_ex *src)
205 {
206         struct hal_data_8188e *hal_data = GET_HAL_DATA(Adapter);
207
208         if (0 != hal_data->AntDivCfg) {
209                 /* select optimum_antenna for before linked =>For antenna diversity */
210                 if (dst->Rssi >=  src->Rssi) {/* keep org parameter */
211                         src->Rssi = dst->Rssi;
212                         src->PhyInfo.Optimum_antenna = dst->PhyInfo.Optimum_antenna;
213                 }
214         }
215 }
216
217 /*  Add new function to reset the state of antenna diversity before link. */
218 u8 AntDivBeforeLink8188E(struct adapter *Adapter)
219 {
220         struct hal_data_8188e *hal_data = GET_HAL_DATA(Adapter);
221         struct odm_dm_struct *dm_odm = &hal_data->odmpriv;
222         struct sw_ant_switch *dm_swat_tbl = &dm_odm->DM_SWAT_Table;
223         struct mlme_priv *pmlmepriv = &(Adapter->mlmepriv);
224
225         /*  Condition that does not need to use antenna diversity. */
226         if (hal_data->AntDivCfg == 0)
227                 return false;
228
229         if (check_fwstate(pmlmepriv, _FW_LINKED))
230                 return false;
231
232         if (dm_swat_tbl->SWAS_NoLink_State == 0) {
233                 /* switch channel */
234                 dm_swat_tbl->SWAS_NoLink_State = 1;
235                 dm_swat_tbl->CurAntenna = (dm_swat_tbl->CurAntenna == Antenna_A) ? Antenna_B : Antenna_A;
236
237                 rtw_antenna_select_cmd(Adapter, dm_swat_tbl->CurAntenna, false);
238                 return true;
239         } else {
240                 dm_swat_tbl->SWAS_NoLink_State = 0;
241                 return false;
242         }
243 }