diff options
Diffstat (limited to 'drivers/staging/rtlwifi/phydm/phydm_cfotracking.c')
| -rw-r--r-- | drivers/staging/rtlwifi/phydm/phydm_cfotracking.c | 332 |
1 files changed, 0 insertions, 332 deletions
diff --git a/drivers/staging/rtlwifi/phydm/phydm_cfotracking.c b/drivers/staging/rtlwifi/phydm/phydm_cfotracking.c deleted file mode 100644 index cf35601efe94..000000000000 --- a/drivers/staging/rtlwifi/phydm/phydm_cfotracking.c +++ /dev/null @@ -1,332 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/****************************************************************************** - * - * Copyright(c) 2007 - 2016 Realtek Corporation. - * - * 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" - -static void odm_set_crystal_cap(void *dm_void, u8 crystal_cap) -{ - struct phy_dm_struct *dm = (struct phy_dm_struct *)dm_void; - struct cfo_tracking *cfo_track = - (struct cfo_tracking *)phydm_get_structure(dm, PHYDM_CFOTRACK); - - if (cfo_track->crystal_cap == crystal_cap) - return; - - cfo_track->crystal_cap = crystal_cap; - - if (dm->support_ic_type & (ODM_RTL8188E | ODM_RTL8188F)) { - /* write 0x24[22:17] = 0x24[16:11] = crystal_cap */ - crystal_cap = crystal_cap & 0x3F; - odm_set_bb_reg(dm, REG_AFE_XTAL_CTRL, 0x007ff800, - (crystal_cap | (crystal_cap << 6))); - } else if (dm->support_ic_type & ODM_RTL8812) { - /* write 0x2C[30:25] = 0x2C[24:19] = crystal_cap */ - crystal_cap = crystal_cap & 0x3F; - odm_set_bb_reg(dm, REG_MAC_PHY_CTRL, 0x7FF80000, - (crystal_cap | (crystal_cap << 6))); - } else if ((dm->support_ic_type & (ODM_RTL8703B | ODM_RTL8723B | - ODM_RTL8192E | ODM_RTL8821))) { - /* 0x2C[23:18] = 0x2C[17:12] = crystal_cap */ - crystal_cap = crystal_cap & 0x3F; - odm_set_bb_reg(dm, REG_MAC_PHY_CTRL, 0x00FFF000, - (crystal_cap | (crystal_cap << 6))); - } else if (dm->support_ic_type & ODM_RTL8814A) { - /* write 0x2C[26:21] = 0x2C[20:15] = crystal_cap */ - crystal_cap = crystal_cap & 0x3F; - odm_set_bb_reg(dm, REG_MAC_PHY_CTRL, 0x07FF8000, - (crystal_cap | (crystal_cap << 6))); - } else if (dm->support_ic_type & (ODM_RTL8822B | ODM_RTL8821C)) { - /* write 0x24[30:25] = 0x28[6:1] = crystal_cap */ - crystal_cap = crystal_cap & 0x3F; - odm_set_bb_reg(dm, REG_AFE_XTAL_CTRL, 0x7e000000, crystal_cap); - odm_set_bb_reg(dm, REG_AFE_PLL_CTRL, 0x7e, crystal_cap); - } else { - ODM_RT_TRACE(dm, ODM_COMP_CFO_TRACKING, - "%s(): Use default setting.\n", __func__); - odm_set_bb_reg(dm, REG_MAC_PHY_CTRL, 0xFFF000, - (crystal_cap | (crystal_cap << 6))); - } - - ODM_RT_TRACE(dm, ODM_COMP_CFO_TRACKING, "%s(): crystal_cap = 0x%x\n", - __func__, crystal_cap); - - /* JJ modified 20161115 */ -} - -static u8 odm_get_default_crytaltal_cap(void *dm_void) -{ - struct phy_dm_struct *dm = (struct phy_dm_struct *)dm_void; - u8 crystal_cap = 0x20; - - struct rtl_priv *rtlpriv = (struct rtl_priv *)dm->adapter; - struct rtl_efuse *rtlefuse = rtl_efuse(rtlpriv); - - crystal_cap = rtlefuse->crystalcap; - - crystal_cap = crystal_cap & 0x3f; - - return crystal_cap; -} - -static void odm_set_atc_status(void *dm_void, bool atc_status) -{ - struct phy_dm_struct *dm = (struct phy_dm_struct *)dm_void; - struct cfo_tracking *cfo_track = - (struct cfo_tracking *)phydm_get_structure(dm, PHYDM_CFOTRACK); - - if (cfo_track->is_atc_status == atc_status) - return; - - odm_set_bb_reg(dm, ODM_REG(BB_ATC, dm), ODM_BIT(BB_ATC, dm), - atc_status); - cfo_track->is_atc_status = atc_status; -} - -static bool odm_get_atc_status(void *dm_void) -{ - bool atc_status; - struct phy_dm_struct *dm = (struct phy_dm_struct *)dm_void; - - atc_status = (bool)odm_get_bb_reg(dm, ODM_REG(BB_ATC, dm), - ODM_BIT(BB_ATC, dm)); - return atc_status; -} - -void odm_cfo_tracking_reset(void *dm_void) -{ - struct phy_dm_struct *dm = (struct phy_dm_struct *)dm_void; - struct cfo_tracking *cfo_track = - (struct cfo_tracking *)phydm_get_structure(dm, PHYDM_CFOTRACK); - - cfo_track->def_x_cap = odm_get_default_crytaltal_cap(dm); - cfo_track->is_adjust = true; - - if (cfo_track->crystal_cap > cfo_track->def_x_cap) { - odm_set_crystal_cap(dm, cfo_track->crystal_cap - 1); - ODM_RT_TRACE(dm, ODM_COMP_CFO_TRACKING, - "%s(): approch default value (0x%x)\n", __func__, - cfo_track->crystal_cap); - } else if (cfo_track->crystal_cap < cfo_track->def_x_cap) { - odm_set_crystal_cap(dm, cfo_track->crystal_cap + 1); - ODM_RT_TRACE(dm, ODM_COMP_CFO_TRACKING, - "%s(): approch default value (0x%x)\n", __func__, - cfo_track->crystal_cap); - } - - odm_set_atc_status(dm, true); -} - -void odm_cfo_tracking_init(void *dm_void) -{ - struct phy_dm_struct *dm = (struct phy_dm_struct *)dm_void; - struct cfo_tracking *cfo_track = - (struct cfo_tracking *)phydm_get_structure(dm, PHYDM_CFOTRACK); - - cfo_track->crystal_cap = odm_get_default_crytaltal_cap(dm); - cfo_track->def_x_cap = cfo_track->crystal_cap; - cfo_track->is_atc_status = odm_get_atc_status(dm); - cfo_track->is_adjust = true; - ODM_RT_TRACE(dm, ODM_COMP_CFO_TRACKING, "%s()=========>\n", __func__); - ODM_RT_TRACE(dm, ODM_COMP_CFO_TRACKING, - "%s(): is_atc_status = %d, crystal_cap = 0x%x\n", __func__, - cfo_track->is_atc_status, cfo_track->def_x_cap); - - /* Crystal cap. control by WiFi */ - if (dm->support_ic_type & ODM_RTL8822B) - odm_set_bb_reg(dm, 0x10, 0x40, 0x1); -} - -void odm_cfo_tracking(void *dm_void) -{ - struct phy_dm_struct *dm = (struct phy_dm_struct *)dm_void; - struct cfo_tracking *cfo_track = - (struct cfo_tracking *)phydm_get_structure(dm, PHYDM_CFOTRACK); - s32 cfo_ave = 0; - u32 cfo_rpt_sum, cfo_khz_avg[4] = {0}; - s32 cfo_ave_diff; - s8 crystal_cap = cfo_track->crystal_cap; - u8 adjust_xtal = 1, i, valid_path_cnt = 0; - - /* 4 Support ability */ - if (!(dm->support_ability & ODM_BB_CFO_TRACKING)) { - ODM_RT_TRACE( - dm, ODM_COMP_CFO_TRACKING, - "%s(): Return: support_ability ODM_BB_CFO_TRACKING is disabled\n", - __func__); - return; - } - - ODM_RT_TRACE(dm, ODM_COMP_CFO_TRACKING, "%s()=========>\n", __func__); - - if (!dm->is_linked || !dm->is_one_entry_only) { - /* 4 No link or more than one entry */ - odm_cfo_tracking_reset(dm); - ODM_RT_TRACE( - dm, ODM_COMP_CFO_TRACKING, - "%s(): Reset: is_linked = %d, is_one_entry_only = %d\n", - __func__, dm->is_linked, dm->is_one_entry_only); - } else { - /* 3 1. CFO Tracking */ - /* 4 1.1 No new packet */ - if (cfo_track->packet_count == cfo_track->packet_count_pre) { - ODM_RT_TRACE(dm, ODM_COMP_CFO_TRACKING, - "%s(): packet counter doesn't change\n", - __func__); - return; - } - cfo_track->packet_count_pre = cfo_track->packet_count; - - /* 4 1.2 Calculate CFO */ - for (i = 0; i < dm->num_rf_path; i++) { - if (cfo_track->CFO_cnt[i] == 0) - continue; - - valid_path_cnt++; - cfo_rpt_sum = - (u32)((cfo_track->CFO_tail[i] < 0) ? - (0 - cfo_track->CFO_tail[i]) : - cfo_track->CFO_tail[i]); - cfo_khz_avg[i] = CFO_HW_RPT_2_MHZ(cfo_rpt_sum) / - cfo_track->CFO_cnt[i]; - - ODM_RT_TRACE( - dm, ODM_COMP_CFO_TRACKING, - "[path %d] cfo_rpt_sum = (( %d )), CFO_cnt = (( %d )) , CFO_avg= (( %s%d )) kHz\n", - i, cfo_rpt_sum, cfo_track->CFO_cnt[i], - ((cfo_track->CFO_tail[i] < 0) ? "-" : " "), - cfo_khz_avg[i]); - } - - for (i = 0; i < valid_path_cnt; i++) { - if (cfo_track->CFO_tail[i] < 0) { - /* */ - cfo_ave += (0 - (s32)cfo_khz_avg[i]); - } else { - cfo_ave += (s32)cfo_khz_avg[i]; - } - } - - if (valid_path_cnt >= 2) - cfo_ave = cfo_ave / valid_path_cnt; - - ODM_RT_TRACE(dm, ODM_COMP_CFO_TRACKING, - "valid_path_cnt = ((%d)), cfo_ave = ((%d kHz))\n", - valid_path_cnt, cfo_ave); - - /*reset counter*/ - for (i = 0; i < dm->num_rf_path; i++) { - cfo_track->CFO_tail[i] = 0; - cfo_track->CFO_cnt[i] = 0; - } - - /* 4 1.3 Avoid abnormal large CFO */ - cfo_ave_diff = (cfo_track->CFO_ave_pre >= cfo_ave) ? - (cfo_track->CFO_ave_pre - cfo_ave) : - (cfo_ave - cfo_track->CFO_ave_pre); - if (cfo_ave_diff > 20 && cfo_track->large_cfo_hit == 0 && - !cfo_track->is_adjust) { - ODM_RT_TRACE(dm, ODM_COMP_CFO_TRACKING, - "%s(): first large CFO hit\n", __func__); - cfo_track->large_cfo_hit = 1; - return; - } - - cfo_track->large_cfo_hit = 0; - cfo_track->CFO_ave_pre = cfo_ave; - - /* 4 1.4 Dynamic Xtal threshold */ - if (!cfo_track->is_adjust) { - if (cfo_ave > CFO_TH_XTAL_HIGH || - cfo_ave < (-CFO_TH_XTAL_HIGH)) - cfo_track->is_adjust = true; - } else { - if (cfo_ave < CFO_TH_XTAL_LOW && - cfo_ave > (-CFO_TH_XTAL_LOW)) - cfo_track->is_adjust = false; - } - - /* 4 1.5 BT case: Disable CFO tracking */ - if (dm->is_bt_enabled) { - cfo_track->is_adjust = false; - odm_set_crystal_cap(dm, cfo_track->def_x_cap); - ODM_RT_TRACE(dm, ODM_COMP_CFO_TRACKING, - "%s(): Disable CFO tracking for BT!!\n", - __func__); - } - - /* 4 1.7 Adjust Crystal Cap. */ - if (cfo_track->is_adjust) { - if (cfo_ave > CFO_TH_XTAL_LOW) - crystal_cap = crystal_cap + adjust_xtal; - else if (cfo_ave < (-CFO_TH_XTAL_LOW)) - crystal_cap = crystal_cap - adjust_xtal; - - if (crystal_cap > 0x3f) - crystal_cap = 0x3f; - else if (crystal_cap < 0) - crystal_cap = 0; - - odm_set_crystal_cap(dm, (u8)crystal_cap); - } - ODM_RT_TRACE( - dm, ODM_COMP_CFO_TRACKING, - "%s(): Crystal cap = 0x%x, Default Crystal cap = 0x%x\n", - __func__, cfo_track->crystal_cap, cfo_track->def_x_cap); - - if (dm->support_ic_type & ODM_IC_11AC_SERIES) - return; - - /* 3 2. Dynamic ATC switch */ - if (cfo_ave < CFO_TH_ATC && cfo_ave > -CFO_TH_ATC) { - odm_set_atc_status(dm, false); - ODM_RT_TRACE(dm, ODM_COMP_CFO_TRACKING, - "%s(): Disable ATC!!\n", __func__); - } else { - odm_set_atc_status(dm, true); - ODM_RT_TRACE(dm, ODM_COMP_CFO_TRACKING, - "%s(): Enable ATC!!\n", __func__); - } - } -} - -void odm_parsing_cfo(void *dm_void, void *pktinfo_void, s8 *pcfotail, u8 num_ss) -{ - struct phy_dm_struct *dm = (struct phy_dm_struct *)dm_void; - struct dm_per_pkt_info *pktinfo = - (struct dm_per_pkt_info *)pktinfo_void; - struct cfo_tracking *cfo_track = - (struct cfo_tracking *)phydm_get_structure(dm, PHYDM_CFOTRACK); - u8 i; - - if (!(dm->support_ability & ODM_BB_CFO_TRACKING)) - return; - - if (pktinfo->is_packet_match_bssid) { - if (num_ss > dm->num_rf_path) /*For fool proof*/ - num_ss = dm->num_rf_path; - - /* 3 Update CFO report for path-A & path-B */ - /* Only paht-A and path-B have CFO tail and short CFO */ - for (i = 0; i < num_ss; i++) { - cfo_track->CFO_tail[i] += pcfotail[i]; - cfo_track->CFO_cnt[i]++; - } - - /* 3 Update packet counter */ - if (cfo_track->packet_count == 0xffffffff) - cfo_track->packet_count = 0; - else - cfo_track->packet_count++; - } -} |