// SPDX-License-Identifier: GPL-2.0
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/******************************************************************************
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*
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* Copyright(c) 2007 - 2016 Realtek Corporation.
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*
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* Contact Information:
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* wlanfae <wlanfae@realtek.com>
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* Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
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* Hsinchu 300, Taiwan.
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*
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* Larry Finger <Larry.Finger@lwfinger.net>
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*
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*****************************************************************************/
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/* ************************************************************
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* include files
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* *************************************************************/
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#include "mp_precomp.h"
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#include "phydm_precomp.h"
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static inline void phydm_update_rf_state(struct phy_dm_struct *dm,
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struct dyn_pwr_saving *dm_ps_table,
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int _rssi_up_bound,
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int _rssi_low_bound,
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int _is_force_in_normal)
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{
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if (_is_force_in_normal) {
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dm_ps_table->cur_rf_state = rf_normal;
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return;
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}
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if (dm->rssi_min == 0xFF) {
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dm_ps_table->cur_rf_state = RF_MAX;
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return;
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}
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if (dm_ps_table->pre_rf_state == rf_normal) {
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if (dm->rssi_min >= _rssi_up_bound)
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dm_ps_table->cur_rf_state = rf_save;
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else
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dm_ps_table->cur_rf_state = rf_normal;
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} else {
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if (dm->rssi_min <= _rssi_low_bound)
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dm_ps_table->cur_rf_state = rf_normal;
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else
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dm_ps_table->cur_rf_state = rf_save;
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}
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}
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void odm_dynamic_bb_power_saving_init(void *dm_void)
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{
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struct phy_dm_struct *dm = (struct phy_dm_struct *)dm_void;
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struct dyn_pwr_saving *dm_ps_table = &dm->dm_ps_table;
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dm_ps_table->pre_cca_state = CCA_MAX;
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dm_ps_table->cur_cca_state = CCA_MAX;
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dm_ps_table->pre_rf_state = RF_MAX;
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dm_ps_table->cur_rf_state = RF_MAX;
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dm_ps_table->rssi_val_min = 0;
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dm_ps_table->initialize = 0;
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}
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void odm_rf_saving(void *dm_void, u8 is_force_in_normal)
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{
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struct phy_dm_struct *dm = (struct phy_dm_struct *)dm_void;
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struct dyn_pwr_saving *dm_ps_table = &dm->dm_ps_table;
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u8 rssi_up_bound = 30;
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u8 rssi_low_bound = 25;
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if (dm->patch_id == 40) { /* RT_CID_819x_FUNAI_TV */
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rssi_up_bound = 50;
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rssi_low_bound = 45;
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}
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if (dm_ps_table->initialize == 0) {
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dm_ps_table->reg874 =
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(odm_get_bb_reg(dm, 0x874, MASKDWORD) & 0x1CC000) >> 14;
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dm_ps_table->regc70 =
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(odm_get_bb_reg(dm, 0xc70, MASKDWORD) & BIT(3)) >> 3;
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dm_ps_table->reg85c =
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(odm_get_bb_reg(dm, 0x85c, MASKDWORD) & 0xFF000000) >>
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24;
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dm_ps_table->rega74 =
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(odm_get_bb_reg(dm, 0xa74, MASKDWORD) & 0xF000) >> 12;
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/* Reg818 = phy_query_bb_reg(adapter, 0x818, MASKDWORD); */
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dm_ps_table->initialize = 1;
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}
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phydm_update_rf_state(dm, dm_ps_table, rssi_up_bound, rssi_low_bound,
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is_force_in_normal);
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if (dm_ps_table->pre_rf_state != dm_ps_table->cur_rf_state) {
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if (dm_ps_table->cur_rf_state == rf_save) {
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odm_set_bb_reg(dm, 0x874, 0x1C0000,
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0x2); /* reg874[20:18]=3'b010 */
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odm_set_bb_reg(dm, 0xc70, BIT(3),
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0); /* regc70[3]=1'b0 */
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odm_set_bb_reg(dm, 0x85c, 0xFF000000,
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0x63); /* reg85c[31:24]=0x63 */
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odm_set_bb_reg(dm, 0x874, 0xC000,
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0x2); /* reg874[15:14]=2'b10 */
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odm_set_bb_reg(dm, 0xa74, 0xF000,
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0x3); /* RegA75[7:4]=0x3 */
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odm_set_bb_reg(dm, 0x818, BIT(28),
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0x0); /* Reg818[28]=1'b0 */
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odm_set_bb_reg(dm, 0x818, BIT(28),
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0x1); /* Reg818[28]=1'b1 */
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} else {
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odm_set_bb_reg(dm, 0x874, 0x1CC000,
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dm_ps_table->reg874);
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odm_set_bb_reg(dm, 0xc70, BIT(3), dm_ps_table->regc70);
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odm_set_bb_reg(dm, 0x85c, 0xFF000000,
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dm_ps_table->reg85c);
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odm_set_bb_reg(dm, 0xa74, 0xF000, dm_ps_table->rega74);
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odm_set_bb_reg(dm, 0x818, BIT(28), 0x0);
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}
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dm_ps_table->pre_rf_state = dm_ps_table->cur_rf_state;
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}
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}
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