/* SPDX-License-Identifier: GPL-2.0 */
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/******************************************************************************
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*
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* Copyright(c) 2016 - 2017 Realtek Corporation.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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*****************************************************************************/
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#include "mp_precomp.h"
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static struct rfe_type_8821c_wifi_only gl_rfe_type_8821c_1ant;
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static struct rfe_type_8821c_wifi_only *rfe_type = &gl_rfe_type_8821c_1ant;
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VOID hal8821c_wifi_only_switch_antenna(
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IN struct wifi_only_cfg *pwifionlycfg,
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IN u1Byte is_5g
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)
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{
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boolean switch_polatiry_inverse = false;
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u8 regval_0xcb7 = 0;
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u8 pos_type, ctrl_type;
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if (!rfe_type->ext_ant_switch_exist)
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return;
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/* swap control polarity if use different switch control polarity*/
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/* Normal switch polarity for DPDT, 0xcb4[29:28] = 2b'01 => BTG to Main, WLG to Aux, 0xcb4[29:28] = 2b'10 => BTG to Aux, WLG to Main */
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/* Normal switch polarity for SPDT, 0xcb4[29:28] = 2b'01 => Ant to BTG, 0xcb4[29:28] = 2b'10 => Ant to WLG */
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if (rfe_type->ext_ant_switch_ctrl_polarity)
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switch_polatiry_inverse = !switch_polatiry_inverse;
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/* swap control polarity if 1-Ant at Aux */
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if (rfe_type->ant_at_main_port == false)
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switch_polatiry_inverse = !switch_polatiry_inverse;
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if (is_5g)
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pos_type = BT_8821C_WIFI_ONLY_EXT_ANT_SWITCH_TO_WLA;
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else
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pos_type = BT_8821C_WIFI_ONLY_EXT_ANT_SWITCH_TO_WLG;
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switch (pos_type) {
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case BT_8821C_WIFI_ONLY_EXT_ANT_SWITCH_TO_WLA:
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break;
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case BT_8821C_WIFI_ONLY_EXT_ANT_SWITCH_TO_WLG:
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if (!rfe_type->wlg_Locate_at_btg)
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switch_polatiry_inverse = !switch_polatiry_inverse;
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break;
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}
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if (pwifionlycfg->haldata_info.ant_div_cfg)
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ctrl_type = BT_8821C_WIFI_ONLY_EXT_ANT_SWITCH_CTRL_BY_ANTDIV;
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else
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ctrl_type = BT_8821C_WIFI_ONLY_EXT_ANT_SWITCH_CTRL_BY_BBSW;
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switch (ctrl_type) {
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case BT_8821C_WIFI_ONLY_EXT_ANT_SWITCH_CTRL_BY_BBSW:
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halwifionly_phy_set_bb_reg(pwifionlycfg, 0x4c, 0x01800000, 0x2);
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/* BB SW, DPDT use RFE_ctrl8 and RFE_ctrl9 as control pin */
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halwifionly_phy_set_bb_reg(pwifionlycfg, 0xcb4, 0x000000ff, 0x77);
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regval_0xcb7 = (switch_polatiry_inverse == false ? 0x1 : 0x2);
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/* 0xcb4[29:28] = 2b'01 for no switch_polatiry_inverse, DPDT_SEL_N =1, DPDT_SEL_P =0 */
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halwifionly_phy_set_bb_reg(pwifionlycfg, 0xcb4, 0x30000000, regval_0xcb7);
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break;
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case BT_8821C_WIFI_ONLY_EXT_ANT_SWITCH_CTRL_BY_ANTDIV:
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halwifionly_phy_set_bb_reg(pwifionlycfg, 0x4c, 0x01800000, 0x2);
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/* BB SW, DPDT use RFE_ctrl8 and RFE_ctrl9 as control pin */
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halwifionly_phy_set_bb_reg(pwifionlycfg, 0xcb4, 0x000000ff, 0x88);
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/* no regval_0xcb7 setup required, because antenna switch control value by antenna diversity */
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break;
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}
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}
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VOID halbtc8821c_wifi_only_set_rfe_type(
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IN struct wifi_only_cfg *pwifionlycfg
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)
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{
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/* the following setup should be got from Efuse in the future */
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rfe_type->rfe_module_type = (pwifionlycfg->haldata_info.rfe_type) & 0x1f;
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rfe_type->ext_ant_switch_ctrl_polarity = 0;
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switch (rfe_type->rfe_module_type) {
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case 0:
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default:
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rfe_type->ext_ant_switch_exist = true;
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rfe_type->ext_ant_switch_type =
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BT_8821C_WIFI_ONLY_EXT_ANT_SWITCH_USE_DPDT; /*2-Ant, DPDT, WLG*/
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rfe_type->wlg_Locate_at_btg = false;
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rfe_type->ant_at_main_port = true;
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break;
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case 1:
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rfe_type->ext_ant_switch_exist = true;
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rfe_type->ext_ant_switch_type =
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BT_8821C_WIFI_ONLY_EXT_ANT_SWITCH_USE_SPDT; /*1-Ant, Main, DPDT or SPDT, WLG */
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rfe_type->wlg_Locate_at_btg = false;
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rfe_type->ant_at_main_port = true;
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break;
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case 2:
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rfe_type->ext_ant_switch_exist = true;
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rfe_type->ext_ant_switch_type =
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BT_8821C_WIFI_ONLY_EXT_ANT_SWITCH_USE_SPDT; /*1-Ant, Main, DPDT or SPDT, BTG */
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rfe_type->wlg_Locate_at_btg = true;
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rfe_type->ant_at_main_port = true;
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break;
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case 3:
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rfe_type->ext_ant_switch_exist = true;
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rfe_type->ext_ant_switch_type =
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BT_8821C_WIFI_ONLY_EXT_ANT_SWITCH_USE_DPDT; /*1-Ant, Aux, DPDT, WLG */
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rfe_type->wlg_Locate_at_btg = false;
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rfe_type->ant_at_main_port = false;
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break;
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case 4:
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rfe_type->ext_ant_switch_exist = true;
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rfe_type->ext_ant_switch_type =
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BT_8821C_WIFI_ONLY_EXT_ANT_SWITCH_USE_DPDT; /*1-Ant, Aux, DPDT, BTG */
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rfe_type->wlg_Locate_at_btg = true;
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rfe_type->ant_at_main_port = false;
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break;
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case 5:
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rfe_type->ext_ant_switch_exist = false; /*2-Ant, no antenna switch, WLG*/
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rfe_type->ext_ant_switch_type =
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BT_8821C_WIFI_ONLY_EXT_ANT_SWITCH_NONE;
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rfe_type->wlg_Locate_at_btg = false;
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rfe_type->ant_at_main_port = true;
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break;
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case 6:
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rfe_type->ext_ant_switch_exist = false; /*2-Ant, no antenna switch, WLG*/
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rfe_type->ext_ant_switch_type =
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BT_8821C_WIFI_ONLY_EXT_ANT_SWITCH_NONE;
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rfe_type->wlg_Locate_at_btg = false;
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rfe_type->ant_at_main_port = true;
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break;
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case 7:
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rfe_type->ext_ant_switch_exist = true; /*2-Ant, DPDT, BTG*/
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rfe_type->ext_ant_switch_type =
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BT_8821C_WIFI_ONLY_EXT_ANT_SWITCH_USE_DPDT;
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rfe_type->wlg_Locate_at_btg = true;
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rfe_type->ant_at_main_port = true;
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break;
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}
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}
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VOID
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ex_hal8821c_wifi_only_hw_config(
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IN struct wifi_only_cfg *pwifionlycfg
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)
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{
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halbtc8821c_wifi_only_set_rfe_type(pwifionlycfg);
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/* set gnt_wl, gnt_bt control owner to WL*/
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halwifionly_phy_set_bb_reg(pwifionlycfg, 0x70, 0x400000, 0x1);
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/*gnt_wl=1 , gnt_bt=0*/
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halwifionly_phy_set_bb_reg(pwifionlycfg, 0x1704, 0xffffffff, 0x7700);
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halwifionly_phy_set_bb_reg(pwifionlycfg, 0x1700, 0xffffffff, 0xc00f0038);
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halwifionly_phy_set_bb_reg(pwifionlycfg, 0x6c0, 0xffffffff, 0xaaaaaaaa);
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halwifionly_phy_set_bb_reg(pwifionlycfg, 0x6c4, 0xffffffff, 0xaaaaaaaa);
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}
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VOID
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ex_hal8821c_wifi_only_scannotify(
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IN struct wifi_only_cfg *pwifionlycfg,
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IN u1Byte is_5g
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)
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{
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hal8821c_wifi_only_switch_antenna(pwifionlycfg, is_5g);
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}
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VOID
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ex_hal8821c_wifi_only_switchbandnotify(
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IN struct wifi_only_cfg *pwifionlycfg,
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IN u1Byte is_5g
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)
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{
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hal8821c_wifi_only_switch_antenna(pwifionlycfg, is_5g);
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}
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VOID
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ex_hal8821c_wifi_only_connectnotify(
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IN struct wifi_only_cfg *pwifionlycfg,
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IN u1Byte is_5g
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)
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{
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hal8821c_wifi_only_switch_antenna(pwifionlycfg, is_5g);
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}
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