1 // SPDX-License-Identifier: GPL-2.0
2 /******************************************************************************
3  *
4  * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
5  *
6  ******************************************************************************/
7 
8 #include "odm_precomp.h"
9 
10 void odm_DynamicBBPowerSavingInit(void *pDM_VOID)
11 {
12 	struct dm_odm_t *pDM_Odm = (struct dm_odm_t *)pDM_VOID;
13 	struct ps_t *pDM_PSTable = &pDM_Odm->DM_PSTable;
14 
15 	pDM_PSTable->PreCCAState = CCA_MAX;
16 	pDM_PSTable->CurCCAState = CCA_MAX;
17 	pDM_PSTable->PreRFState = RF_MAX;
18 	pDM_PSTable->CurRFState = RF_MAX;
19 	pDM_PSTable->Rssi_val_min = 0;
20 	pDM_PSTable->initialize = 0;
21 }
22 
23 void ODM_RF_Saving(void *pDM_VOID, u8 bForceInNormal)
24 {
25 	struct dm_odm_t *pDM_Odm = (struct dm_odm_t *)pDM_VOID;
26 	struct ps_t *pDM_PSTable = &pDM_Odm->DM_PSTable;
27 	u8 Rssi_Up_bound = 30;
28 	u8 Rssi_Low_bound = 25;
29 
30 	if (pDM_Odm->PatchID == 40) { /* RT_CID_819x_FUNAI_TV */
31 		Rssi_Up_bound = 50;
32 		Rssi_Low_bound = 45;
33 	}
34 
35 	if (pDM_PSTable->initialize == 0) {
36 
37 		pDM_PSTable->Reg874 = (PHY_QueryBBReg(pDM_Odm->Adapter, 0x874, bMaskDWord)&0x1CC000)>>14;
38 		pDM_PSTable->RegC70 = (PHY_QueryBBReg(pDM_Odm->Adapter, 0xc70, bMaskDWord)&BIT3)>>3;
39 		pDM_PSTable->Reg85C = (PHY_QueryBBReg(pDM_Odm->Adapter, 0x85c, bMaskDWord)&0xFF000000)>>24;
40 		pDM_PSTable->RegA74 = (PHY_QueryBBReg(pDM_Odm->Adapter, 0xa74, bMaskDWord)&0xF000)>>12;
41 		/* Reg818 = PHY_QueryBBReg(padapter, 0x818, bMaskDWord); */
42 		pDM_PSTable->initialize = 1;
43 	}
44 
45 	if (!bForceInNormal) {
46 		if (pDM_Odm->RSSI_Min != 0xFF) {
47 			if (pDM_PSTable->PreRFState == RF_Normal) {
48 				if (pDM_Odm->RSSI_Min >= Rssi_Up_bound)
49 					pDM_PSTable->CurRFState = RF_Save;
50 				else
51 					pDM_PSTable->CurRFState = RF_Normal;
52 			} else {
53 				if (pDM_Odm->RSSI_Min <= Rssi_Low_bound)
54 					pDM_PSTable->CurRFState = RF_Normal;
55 				else
56 					pDM_PSTable->CurRFState = RF_Save;
57 			}
58 		} else
59 			pDM_PSTable->CurRFState = RF_MAX;
60 	} else
61 		pDM_PSTable->CurRFState = RF_Normal;
62 
63 	if (pDM_PSTable->PreRFState != pDM_PSTable->CurRFState) {
64 		if (pDM_PSTable->CurRFState == RF_Save) {
65 			PHY_SetBBReg(pDM_Odm->Adapter, 0x874, 0x1C0000, 0x2); /* Reg874[20:18]=3'b010 */
66 			PHY_SetBBReg(pDM_Odm->Adapter, 0xc70, BIT3, 0); /* RegC70[3]= 1'b0 */
67 			PHY_SetBBReg(pDM_Odm->Adapter, 0x85c, 0xFF000000, 0x63); /* Reg85C[31:24]= 0x63 */
68 			PHY_SetBBReg(pDM_Odm->Adapter, 0x874, 0xC000, 0x2); /* Reg874[15:14]=2'b10 */
69 			PHY_SetBBReg(pDM_Odm->Adapter, 0xa74, 0xF000, 0x3); /* RegA75[7:4]= 0x3 */
70 			PHY_SetBBReg(pDM_Odm->Adapter, 0x818, BIT28, 0x0); /* Reg818[28]= 1'b0 */
71 			PHY_SetBBReg(pDM_Odm->Adapter, 0x818, BIT28, 0x1); /* Reg818[28]= 1'b1 */
72 		} else {
73 			PHY_SetBBReg(pDM_Odm->Adapter, 0x874, 0x1CC000, pDM_PSTable->Reg874);
74 			PHY_SetBBReg(pDM_Odm->Adapter, 0xc70, BIT3, pDM_PSTable->RegC70);
75 			PHY_SetBBReg(pDM_Odm->Adapter, 0x85c, 0xFF000000, pDM_PSTable->Reg85C);
76 			PHY_SetBBReg(pDM_Odm->Adapter, 0xa74, 0xF000, pDM_PSTable->RegA74);
77 			PHY_SetBBReg(pDM_Odm->Adapter, 0x818, BIT28, 0x0);
78 		}
79 		pDM_PSTable->PreRFState = pDM_PSTable->CurRFState;
80 	}
81 }
82