RTL88x2BU-Linux-Driver/hal/phydm/rtl8822b/phydm_rtl8822b.c

/******************************************************************************
 *
 * Copyright(c) 2007 - 2017  Realtek Corporation.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * The full GNU General Public License is included in this distribution in the
 * file called LICENSE.
 *
 * Contact Information:
 * wlanfae <wlanfae@realtek.com>
 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
 * Hsinchu 300, Taiwan.
 *
 * Larry Finger <Larry.Finger@lwfinger.net>
 *
 *****************************************************************************/
#include "mp_precomp.h"
#include "../phydm_precomp.h"

#if (RTL8822B_SUPPORT == 1)


void
phydm_dynamic_switch_htstf_mumimo_8822b(
	struct dm_struct		*dm
)
{
	u8		rssi_l2h = 40, rssi_h2l = 35;

	/*if Pin > -60dBm, enable HT-STF gain controller, otherwise, if rssi < -65dBm, disable the controller*/

	if (dm->rssi_min >= rssi_l2h)
		odm_set_bb_reg(dm, 0x8d8, BIT(17), 0x1);
	else if (dm->rssi_min < rssi_h2l)
		odm_set_bb_reg(dm, 0x8d8, BIT(17), 0x0);

}

void
phydm_dynamic_parameters_ota(
	struct dm_struct		*dm
)
{
	u8	rssi_l2h = 40, rssi_h2l = 35;

	if ((*dm->channel <= 14) && (*dm->band_width == CHANNEL_WIDTH_20)) {
		if (dm->rssi_min >= rssi_l2h) {
			/*if (dm->bhtstfdisabled == false)*/
				odm_set_bb_reg(dm, 0x8d8, BIT(17), 0x1);
			
			odm_set_bb_reg(dm, 0x98c, 0x7fc0000, 0x0);
			odm_set_bb_reg(dm, 0x818, 0x7000000, 0x1);
			odm_set_bb_reg(dm, 0xc04, BIT(18), 0x0);
			odm_set_bb_reg(dm, 0xe04, BIT(18), 0x0);
			if (dm->p_advance_ota & PHYDM_HP_OTA_SETTING_A) {
				odm_set_bb_reg(dm, 0x19d8, MASKDWORD, 0x444);
				odm_set_bb_reg(dm, 0x19d4, MASKDWORD, 0x4444aaaa);
			} else if (dm->p_advance_ota & PHYDM_HP_OTA_SETTING_B) {
				odm_set_bb_reg(dm, 0x19d8, MASKDWORD, 0x444);
				odm_set_bb_reg(dm, 0x19d4, MASKDWORD, 0x444444aa);
			}
		} else if (dm->rssi_min < rssi_h2l) {
			/*if (dm->bhtstfdisabled == true)*/
				odm_set_bb_reg(dm, 0x8d8, BIT(17), 0x0);
			
			odm_set_bb_reg(dm, 0x98c, MASKDWORD, 0x43440000);
			odm_set_bb_reg(dm, 0x818, 0x7000000, 0x4);
			odm_set_bb_reg(dm, 0xc04, (BIT(18)|BIT(21)), 0x0);
			odm_set_bb_reg(dm, 0xe04, (BIT(18)|BIT(21)), 0x0);
			odm_set_bb_reg(dm, 0x19d8, MASKDWORD, 0xaaa);
			odm_set_bb_reg(dm, 0x19d4, MASKDWORD, 0xaaaaaaaa);
		}
	} else {
			//odm_set_bb_reg(dm, 0x8d8, BIT(17), 0x0);
			odm_set_bb_reg(dm, 0x98c, MASKDWORD, 0x43440000);
			odm_set_bb_reg(dm, 0x818, 0x7000000, 0x4);
			odm_set_bb_reg(dm, 0xc04, (BIT(18)|BIT(21)), 0x0);
			odm_set_bb_reg(dm, 0xe04, (BIT(18)|BIT(21)), 0x0);
			odm_set_bb_reg(dm, 0x19d8, MASKDWORD, 0xaaa);
			odm_set_bb_reg(dm, 0x19d4, MASKDWORD, 0xaaaaaaaa);
		}
}

static
void
_set_tx_a_cali_value(
	struct dm_struct		*dm,
	enum rf_path				rf_path,
	u8 						offset,
	u8 						tx_a_bias_offset
	)
{
	u32 modi_tx_a_value = 0;
	u8 tmp1_byte = 0;
	boolean is_minus = false;
	u8 comp_value = 0;

	
		switch (offset) {
		case 0x0:
			odm_set_rf_reg(dm, rf_path, 0x18, 0xFFFFF, 0X10124);
			break;
		case 0x1:
			odm_set_rf_reg(dm, rf_path, 0x18, 0xFFFFF, 0X10524);
			break;
		case 0x2:
			odm_set_rf_reg(dm, rf_path, 0x18, 0xFFFFF, 0X10924);
			break;
		case 0x3:
			odm_set_rf_reg(dm, rf_path, 0x18, 0xFFFFF, 0X10D24);
			break;
		case 0x4:
			odm_set_rf_reg(dm, rf_path, 0x18, 0xFFFFF, 0X30164);
			break;
		case 0x5:
			odm_set_rf_reg(dm, rf_path, 0x18, 0xFFFFF, 0X30564);
			break;
		case 0x6:
			odm_set_rf_reg(dm, rf_path, 0x18, 0xFFFFF, 0X30964);
			break;
		case 0x7:
			odm_set_rf_reg(dm, rf_path, 0x18, 0xFFFFF, 0X30D64);
			break;
		case 0x8:
			odm_set_rf_reg(dm, rf_path, 0x18, 0xFFFFF, 0X50195);
			break;
		case 0x9:
			odm_set_rf_reg(dm, rf_path, 0x18, 0xFFFFF, 0X50595);
			break;
		case 0xa:
			odm_set_rf_reg(dm, rf_path, 0x18, 0xFFFFF, 0X50995);
			break;
		case 0xb:
			odm_set_rf_reg(dm, rf_path, 0x18, 0xFFFFF, 0X50D95);
			break;
		default:
			PHYDM_DBG(dm, ODM_COMP_API, "Invalid TxA band offset...\n");
			return;
			break;
	}

	/* Get TxA value */
	modi_tx_a_value = odm_get_rf_reg(dm, rf_path, 0x61, 0xFFFFF);
	tmp1_byte = (u8)modi_tx_a_value&(BIT(3)|BIT(2)|BIT(1)|BIT(0));

	/* check how much need to calibration */
		switch (tx_a_bias_offset) {
		case 0xF6:
			is_minus = true;
			comp_value = 3;
			break;
			
		case 0xF4:
			is_minus = true;
			comp_value = 2;
			break;
			
		case 0xF2:
			is_minus = true;
			comp_value = 1;
			break;
			
		case 0xF3:
			is_minus = false;
			comp_value = 1;
			break;
			
		case 0xF5:
			is_minus = false;
			comp_value = 2;
			break;
			
		case 0xF7:
			is_minus = false;
			comp_value = 3;
			break;
			
		case 0xF9:
			is_minus = false;
			comp_value = 4;
			break;
		
		/* do nothing case */
		case 0xF0:
		default:
			PHYDM_DBG(dm, ODM_COMP_API, "No need to do TxA bias current calibration\n");
			return;
			break;
	}

	/* calc correct value to calibrate */
	if (is_minus) {
		if (tmp1_byte >= comp_value) {
			tmp1_byte -= comp_value;
			//modi_tx_a_value += tmp1_byte;
		} else {
			tmp1_byte = 0;
		}
	} else {
		tmp1_byte += comp_value;
		if (tmp1_byte >= 7) {
			tmp1_byte = 7;
		}
	}

	/* Write back to RF reg */
	odm_set_rf_reg(dm, rf_path, 0x30, 0xFFFF, (offset<<12|(modi_tx_a_value&0xFF0)|tmp1_byte));
}

static
void
_txa_bias_cali_4_each_path(
	struct dm_struct		*dm,
	u8	 rf_path,
	u8	 efuse_value
	)
{
	/* switch on set TxA bias */
	odm_set_rf_reg(dm, rf_path, 0xEF, 0xFFFFF, 0x200);

	/* Set 12 sets of TxA value */
	_set_tx_a_cali_value(dm, (enum rf_path)rf_path, 0x0, efuse_value);
	_set_tx_a_cali_value(dm, (enum rf_path)rf_path, 0x1, efuse_value);
	_set_tx_a_cali_value(dm, (enum rf_path)rf_path, 0x2, efuse_value);
	_set_tx_a_cali_value(dm, (enum rf_path)rf_path, 0x3, efuse_value);
	_set_tx_a_cali_value(dm, (enum rf_path)rf_path, 0x4, efuse_value);
	_set_tx_a_cali_value(dm, (enum rf_path)rf_path, 0x5, efuse_value);
	_set_tx_a_cali_value(dm, (enum rf_path)rf_path, 0x6, efuse_value);
	_set_tx_a_cali_value(dm, (enum rf_path)rf_path, 0x7, efuse_value);
	_set_tx_a_cali_value(dm, (enum rf_path)rf_path, 0x8, efuse_value);
	_set_tx_a_cali_value(dm, (enum rf_path)rf_path, 0x9, efuse_value);
	_set_tx_a_cali_value(dm, (enum rf_path)rf_path, 0xa, efuse_value);
	_set_tx_a_cali_value(dm, (enum rf_path)rf_path, 0xb, efuse_value);

	// switch off set TxA bias
	odm_set_rf_reg(dm, rf_path, 0xEF, 0xFFFFF, 0x0);
}

/* for 8822B PCIE D-cut patch only */
/* Normal driver and MP driver need this patch */

void
phydm_txcurrentcalibration(
	struct dm_struct		*dm
	)
{
	u8			efuse0x3D8, efuse0x3D7;
	u32			orig_rf0x18_path_a = 0, orig_rf0x18_path_b = 0;

	if (!(dm->support_ic_type & ODM_RTL8822B))
		return;

	PHYDM_DBG(dm, ODM_COMP_MP, "8822b 5g tx current calibration 0x3d7=0x%X 0x3d8=0x%X\n", dm->efuse0x3d7, dm->efuse0x3d8);

	/* save original 0x18 value */
	orig_rf0x18_path_a = odm_get_rf_reg(dm, RF_PATH_A, 0x18, 0xFFFFF);
	orig_rf0x18_path_b = odm_get_rf_reg(dm, RF_PATH_B, 0x18, 0xFFFFF);
	
	/* define efuse content */
		efuse0x3D8 = dm->efuse0x3d8;
		efuse0x3D7 = dm->efuse0x3d7;
	
	/* check efuse content to judge whether need to calibration or not */
	if (0xFF == efuse0x3D7) {
		PHYDM_DBG(dm, ODM_COMP_MP, "efuse content 0x3D7 == 0xFF, No need to do TxA cali\n");
		return;
	}

	/* write RF register for calibration */
	_txa_bias_cali_4_each_path(dm, RF_PATH_A, efuse0x3D7);
	_txa_bias_cali_4_each_path(dm, RF_PATH_B, efuse0x3D8);
	
	/* restore original 0x18 value */
	odm_set_rf_reg(dm, RF_PATH_A, 0x18, 0xFFFFF, orig_rf0x18_path_a);
	odm_set_rf_reg(dm, RF_PATH_B, 0x18, 0xFFFFF, orig_rf0x18_path_b);
}

void
phydm_1rcca_setting(
	struct 	dm_struct		*dm,
	boolean enable_1rcca
)
{
	u32 reg_32;

	reg_32 = odm_get_bb_reg(dm, 0xa04, 0x0f000000);

	/* Enable or disable 1RCCA setting accrodding to the control from driver */
	if (enable_1rcca == true) {
		if (reg_32 == 0x0) {
			odm_set_bb_reg(dm, 0x808, MASKBYTE0, 0x13); /* CCK path-a */
		} else if (reg_32 == 0x5) {
			odm_set_bb_reg(dm, 0x808, MASKBYTE0, 0x23); /* CCK path-b */
		}
	} else {
		odm_set_bb_reg(dm, 0x808, MASKBYTE0, 0x33); /* disable 1RCCA */
		odm_set_bb_reg(dm, 0xa04, 0x0f000000, 0x0); /* CCK default is at path-a */
	}
}

void
phydm_dynamic_select_cck_path_8822b(
	struct 	dm_struct		*dm
)
{
	struct phydm_fa_struct	*fa_cnt = (struct phydm_fa_struct *)phydm_get_structure(dm, PHYDM_FALSEALMCNT);
	struct drp_rtl8822b_struct	*drp_8822b = &dm->phydm_rtl8822b;

	if (dm->ap_total_num > 10) {
		if (drp_8822b->path_judge & BIT(2))
			odm_set_bb_reg(dm, 0xa04, 0x0f000000, 0x0);	/*fix CCK Path A if AP nums > 10*/
		return;
	}

	if (drp_8822b->path_judge & BIT(2))
		return;

	PHYDM_DBG(dm, ODM_PHY_CONFIG,"phydm 8822b cck rx path selection start\n");

	if (drp_8822b->path_judge & BB_PATH_A) {
		drp_8822b->path_a_cck_fa = (u16)fa_cnt->cnt_cck_fail;
		drp_8822b->path_judge = (enum bb_path)(drp_8822b->path_judge & ~BB_PATH_A);
		odm_set_bb_reg(dm, 0xa04, 0x0f000000, 0x5);	/*change to path B collect CCKFA*/
	} else if (drp_8822b->path_judge & BB_PATH_B) {
		drp_8822b->path_b_cck_fa = (u16)fa_cnt->cnt_cck_fail;
		drp_8822b->path_judge =(enum bb_path)(drp_8822b->path_judge & ~BB_PATH_B);

		if (drp_8822b->path_a_cck_fa <= drp_8822b->path_b_cck_fa)
			odm_set_bb_reg(dm, 0xa04, 0x0f000000, 0x0);	/*FA A<=B choose A*/
		else
			odm_set_bb_reg(dm, 0xa04, 0x0f000000, 0x5);	/*FA B>A choose B*/

		drp_8822b->path_judge = (enum bb_path)(drp_8822b->path_judge | BIT(2));	/*it means we have already choosed cck rx path*/
	}

	PHYDM_DBG(dm, ODM_PHY_CONFIG,"path_a_fa = %d, path_b_fa = %d\n", drp_8822b->path_a_cck_fa, drp_8822b->path_b_cck_fa);
	
}


void
phydm_somlrxhp_setting(
	struct 	dm_struct		*dm,
	boolean switch_soml
)
{
	if (switch_soml == true) {
		odm_set_bb_reg(dm, 0x19a8, MASKDWORD, 0xd10a0000);
	/* Following are RxHP settings for T2R as always low, workaround for OTA test, required to classify */
		odm_set_bb_reg(dm, 0xc04, (BIT(21)|BIT(18)), 0x0);
		odm_set_bb_reg(dm, 0xe04, (BIT(21)|BIT(18)), 0x0);
	} else {
		odm_set_bb_reg(dm, 0x19a8, MASKDWORD, 0x010a0000);
		odm_set_bb_reg(dm, 0xc04, (BIT(21)|BIT(18)), 0x0);
		odm_set_bb_reg(dm, 0xe04, (BIT(21)|BIT(18)), 0x0);
	}
	
	/* Dynamic RxHP setting with SoML on/off apply on all RFE type */
	if (!switch_soml && ((dm->rfe_type == 1) || (dm->rfe_type == 6) || (dm->rfe_type == 7) || (dm->rfe_type == 9))) {
		odm_set_bb_reg(dm, 0x8cc, MASKDWORD, 0x08108000);
		odm_set_bb_reg(dm, 0x8d8, BIT(27), 0x0);
	}
	
	if (*dm->channel <= 14) {
		if (switch_soml && (!((dm->rfe_type == 3) || (dm->rfe_type == 5) || (dm->rfe_type == 8) || (dm->rfe_type == 17)))) {
			odm_set_bb_reg(dm, 0x8cc, MASKDWORD, 0x08108000);
			odm_set_bb_reg(dm, 0x8d8, BIT(27), 0x0);
		}
	} else if (*dm->channel > 35) {
		if (switch_soml == true) {
			odm_set_bb_reg(dm, 0x8cc, MASKDWORD, 0x08108000);
			odm_set_bb_reg(dm, 0x8d8, BIT(27), 0x0);
		}
	}

#if 0		
	if (!((dm->rfe_type == 1) || (dm->rfe_type == 6) || (dm->rfe_type == 7) || (dm->rfe_type == 9))) {
		if (*dm->channel <= 14) {
			/* TFBGA iFEM SoML on/off with RxHP always high-to-low */
			if ((switch_soml == true) && (!((dm->rfe_type == 3) || (dm->rfe_type == 5)))) {
				if (switch_soml == true) {
				odm_set_bb_reg(dm, 0x8cc, MASKDWORD, 0x08108000);
				odm_set_bb_reg(dm, 0x8d8, BIT(27), 0x0);
				odm_set_bb_reg(dm, 0xc04, (BIT(21)|(BIT(18))), 0x0);
				odm_set_bb_reg(dm, 0xe04, (BIT(21)|(BIT(18))), 0x0);
				} else {
				odm_set_bb_reg(dm, 0x8cc, MASKDWORD, 0x08108492);
				odm_set_bb_reg(dm, 0x8d8, BIT(27), 0x1);
				}
			}
		} else if (*dm->channel > 35) {
			if (switch_soml == true) {
				odm_set_bb_reg(dm, 0x8cc, MASKDWORD, 0x08108000);
				odm_set_bb_reg(dm, 0x8d8, BIT(27), 0x0);
				odm_set_bb_reg(dm, 0xc04, (BIT(21)|(BIT(18))), 0x0);
				odm_set_bb_reg(dm, 0xe04, (BIT(21)|(BIT(18))), 0x0);
			} else {
				odm_set_bb_reg(dm, 0x8cc, MASKDWORD, 0x08108492);
				odm_set_bb_reg(dm, 0x8d8, BIT(27), 0x1);
			}	
		}
		PHYDM_DBG(dm, ODM_COMP_API, "Dynamic RxHP control with SoML is enable !!\n");
	} 
#endif
	
}

void
phydm_config_tx2path_8822b(
	struct dm_struct		*dm,
	enum wireless_set			wireless_mode,
	boolean					is_tx2_path
)
{
	if (wireless_mode == WIRELESS_CCK) {
		if (is_tx2_path == true)
			odm_set_bb_reg(dm, 0xa04, 0xf0000000, 0xc);
		else
			odm_set_bb_reg(dm, 0xa04, 0xf0000000, 0x8);
	} else {
		if (is_tx2_path == true)
			odm_set_bb_reg(dm, 0x93c, 0xf00000, 0x3);
		else
			odm_set_bb_reg(dm, 0x93c, 0xf00000, 0x1);
	}
}

#ifdef DYN_ANT_WEIGHTING_SUPPORT
void
phydm_dynamic_ant_weighting_8822b(
	void		*dm_void
)
{
	struct dm_struct	*dm = (struct dm_struct *)dm_void;
	u8 rssi_l2h = 43, rssi_h2l = 37;
	u8 reg_8;

	if (dm->is_disable_dym_ant_weighting)
		return;

	if (*dm->channel <= 14) {
		if (dm->rssi_min >= rssi_l2h) {
			odm_set_bb_reg(dm, 0x98c, 0x7fc0000, 0x0);

			/*equal weighting*/
			reg_8 = (u8)odm_get_bb_reg(dm, 0xf94, BIT(0)|BIT(1)|BIT(2));
			PHYDM_DBG(dm, ODM_COMP_API, "Equal weighting ,rssi_min = %d\n, 0xf94[2:0] = 0x%x\n", dm->rssi_min, reg_8);
		} else if (dm->rssi_min <= rssi_h2l) {
			odm_set_bb_reg(dm, 0x98c, MASKDWORD, 0x43440000);
	
			/*fix sec_min_wgt = 1/2*/
			reg_8 = (u8)odm_get_bb_reg(dm, 0xf94, BIT(0)|BIT(1)|BIT(2));
			PHYDM_DBG(dm, ODM_COMP_API, "AGC weighting ,rssi_min = %d\n, 0xf94[2:0] = 0x%x\n", dm->rssi_min, reg_8);
		}
	} else {
			odm_set_bb_reg(dm, 0x98c, MASKDWORD, 0x43440000);

			reg_8 = (u8)odm_get_bb_reg(dm, 0xf94, BIT(0)|BIT(1)|BIT(2));
			PHYDM_DBG(dm, ODM_COMP_API, "AGC weighting ,rssi_min = %d\n, 0xf94[2:0] = 0x%x\n", dm->rssi_min, reg_8);
		/*fix sec_min_wgt = 1/2*/
	}

}
#endif

void
phydm_hwsetting_8822b(
	struct dm_struct		*dm
)
{
	struct drp_rtl8822b_struct	*drp_8822b = &dm->phydm_rtl8822b;
	u8 set_result_nbi = PHYDM_SET_NO_NEED;

	if ((dm->p_advance_ota & PHYDM_HP_OTA_SETTING_A) || (dm->p_advance_ota & PHYDM_HP_OTA_SETTING_B)) {
		phydm_dynamic_parameters_ota(dm);
	} else {
		if (dm->bhtstfdisabled == false)
			phydm_dynamic_switch_htstf_mumimo_8822b(dm);
		else
			PHYDM_DBG(dm, ODM_PHY_CONFIG, "Default HT-STF gain control setting\n");
	}

	phydm_dynamic_ant_weighting(dm);

	if (dm->p_advance_ota & PHYDM_ASUS_OTA_SETTING) {
		if (dm->rssi_min <= 20)
			phydm_somlrxhp_setting(dm, false);
		else if (dm->rssi_min >= 25)
			phydm_somlrxhp_setting(dm, true);
	}

	if ((dm->p_advance_ota & PHYDM_ASUS_OTA_SETTING_CCK_PATH) || (dm->p_advance_ota & PHYDM_HP_OTA_SETTING_CCK_PATH)) {
		if (dm->is_linked)
			phydm_dynamic_select_cck_path_8822b(dm);
		else
			drp_8822b->path_judge =(enum bb_path)(drp_8822b->path_judge | ((~ BIT(2)) | BB_PATH_A | BB_PATH_B));
	}

	if (dm->p_advance_ota & PHYDM_LENOVO_OTA_SETTING_NBI_CSI) {
		if ((*dm->band_width == CHANNEL_WIDTH_80) && (*dm->channel == 157)) {
			set_result_nbi = phydm_nbi_setting(dm, FUNC_ENABLE, *dm->channel, 80, 5760, PHYDM_DONT_CARE);
			PHYDM_DBG(dm, ODM_PHY_CONFIG, "Enable NBI\n");
		}
	}
}

#endif	/* RTL8822B_SUPPORT == 1 */