odm_DynamicBBPowerSaving.c

 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
10void 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
23void 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}