--- /dev/null
+/******************************************************************************
+ *
+ * Copyright(c) 2016 - 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.
+ *
+ *****************************************************************************/
+/*************************************************************
+ * Description:
+ *
+ * This file is for 8192E TXBF mechanism
+ *
+ ************************************************************/
+#include "mp_precomp.h"
+#include "../phydm_precomp.h"
+
+#if (BEAMFORMING_SUPPORT == 1)
+#if (RTL8192E_SUPPORT == 1)
+
+void hal_txbf_8192e_set_ndpa_rate(
+ void *dm_void,
+ u8 BW,
+ u8 rate)
+{
+ struct dm_struct *dm = (struct dm_struct *)dm_void;
+
+ odm_write_1byte(dm, REG_NDPA_OPT_CTRL_8192E, (rate << 2 | BW));
+}
+
+void hal_txbf_8192e_rf_mode(
+ void *dm_void,
+ struct _RT_BEAMFORMING_INFO *beam_info)
+{
+ struct dm_struct *dm = (struct dm_struct *)dm_void;
+
+ PHYDM_DBG(dm, DBG_TXBF, "[%s] Start!\n", __func__);
+
+ if (dm->rf_type == RF_1T1R)
+ return;
+
+ odm_set_rf_reg(dm, RF_PATH_A, RF_WE_LUT, 0x80000, 0x1); /*RF mode table write enable*/
+ odm_set_rf_reg(dm, RF_PATH_B, RF_WE_LUT, 0x80000, 0x1); /*RF mode table write enable*/
+
+ if (beam_info->beamformee_su_cnt > 0) {
+ /*Path_A*/
+ odm_set_rf_reg(dm, RF_PATH_A, RF_0x30, 0xfffff, 0x18000); /*Select RX mode 0x30=0x18000*/
+ odm_set_rf_reg(dm, RF_PATH_A, RF_0x31, 0xfffff, 0x0000f); /*Set Table data*/
+ odm_set_rf_reg(dm, RF_PATH_A, RF_0x32, 0xfffff, 0x77fc2); /*@Enable TXIQGEN in RX mode*/
+ /*Path_B*/
+ odm_set_rf_reg(dm, RF_PATH_B, RF_0x30, 0xfffff, 0x18000); /*Select RX mode*/
+ odm_set_rf_reg(dm, RF_PATH_B, RF_0x31, 0xfffff, 0x0000f); /*Set Table data*/
+ odm_set_rf_reg(dm, RF_PATH_B, RF_0x32, 0xfffff, 0x77fc2); /*@Enable TXIQGEN in RX mode*/
+ } else {
+ /*Path_A*/
+ odm_set_rf_reg(dm, RF_PATH_A, RF_0x30, 0xfffff, 0x18000); /*Select RX mode*/
+ odm_set_rf_reg(dm, RF_PATH_A, RF_0x31, 0xfffff, 0x0000f); /*Set Table data*/
+ odm_set_rf_reg(dm, RF_PATH_A, RF_0x32, 0xfffff, 0x77f82); /*@Disable TXIQGEN in RX mode*/
+ /*Path_B*/
+ odm_set_rf_reg(dm, RF_PATH_B, RF_0x30, 0xfffff, 0x18000); /*Select RX mode*/
+ odm_set_rf_reg(dm, RF_PATH_B, RF_0x31, 0xfffff, 0x0000f); /*Set Table data*/
+ odm_set_rf_reg(dm, RF_PATH_B, RF_0x32, 0xfffff, 0x77f82); /*@Disable TXIQGEN in RX mode*/
+ }
+
+ odm_set_rf_reg(dm, RF_PATH_A, RF_WE_LUT, 0x80000, 0x0); /*RF mode table write disable*/
+ odm_set_rf_reg(dm, RF_PATH_B, RF_WE_LUT, 0x80000, 0x0); /*RF mode table write disable*/
+
+ if (beam_info->beamformee_su_cnt > 0) {
+ odm_set_bb_reg(dm, R_0x90c, MASKDWORD, 0x83321333);
+ odm_set_bb_reg(dm, R_0xa04, MASKBYTE3, 0xc1);
+ } else
+ odm_set_bb_reg(dm, R_0x90c, MASKDWORD, 0x81121313);
+}
+
+void hal_txbf_8192e_fw_txbf_cmd(
+ void *dm_void)
+{
+ struct dm_struct *dm = (struct dm_struct *)dm_void;
+ u8 idx, period0 = 0, period1 = 0;
+ u8 PageNum0 = 0xFF, PageNum1 = 0xFF;
+ u8 u1_tx_bf_parm[3] = {0};
+ struct _RT_BEAMFORMING_INFO *beam_info = &dm->beamforming_info;
+
+ for (idx = 0; idx < BEAMFORMEE_ENTRY_NUM; idx++) {
+ if (beam_info->beamformee_entry[idx].beamform_entry_state == BEAMFORMING_ENTRY_STATE_PROGRESSED) {
+ if (idx == 0) {
+ if (beam_info->beamformee_entry[idx].is_sound)
+ PageNum0 = 0xFE;
+ else
+ PageNum0 = 0xFF; /* stop sounding */
+ period0 = (u8)(beam_info->beamformee_entry[idx].sound_period);
+ } else if (idx == 1) {
+ if (beam_info->beamformee_entry[idx].is_sound)
+ PageNum1 = 0xFE;
+ else
+ PageNum1 = 0xFF; /* stop sounding */
+ period1 = (u8)(beam_info->beamformee_entry[idx].sound_period);
+ }
+ }
+ }
+
+ u1_tx_bf_parm[0] = PageNum0;
+ u1_tx_bf_parm[1] = PageNum1;
+ u1_tx_bf_parm[2] = (period1 << 4) | period0;
+ odm_fill_h2c_cmd(dm, PHYDM_H2C_TXBF, 3, u1_tx_bf_parm);
+
+ PHYDM_DBG(dm, DBG_TXBF,
+ "[%s] PageNum0 = %d period0 = %d, PageNum1 = %d period1 %d\n",
+ __func__, PageNum0, period0, PageNum1, period1);
+}
+
+void hal_txbf_8192e_download_ndpa(
+ void *dm_void,
+ u8 idx)
+{
+ struct dm_struct *dm = (struct dm_struct *)dm_void;
+ u8 u1b_tmp = 0, tmp_reg422 = 0, head_page;
+ u8 bcn_valid_reg = 0, count = 0, dl_bcn_count = 0;
+ boolean is_send_beacon = false;
+ u8 tx_page_bndy = LAST_ENTRY_OF_TX_PKT_BUFFER_8812;
+ /*@default reseved 1 page for the IC type which is undefined.*/
+ struct _RT_BEAMFORMING_INFO *beam_info = &dm->beamforming_info;
+ struct _RT_BEAMFORMEE_ENTRY *p_beam_entry = beam_info->beamformee_entry + idx;
+
+ PHYDM_DBG(dm, DBG_TXBF, "[%s] Start!\n", __func__);
+#if (DM_ODM_SUPPORT_TYPE == ODM_WIN)
+ *dm->is_fw_dw_rsvd_page_in_progress = true;
+#endif
+ if (idx == 0)
+ head_page = 0xFE;
+ else
+ head_page = 0xFE;
+
+ phydm_get_hal_def_var_handler_interface(dm, HAL_DEF_TX_PAGE_BOUNDARY, (u8 *)&tx_page_bndy);
+
+ /*Set REG_CR bit 8. DMA beacon by SW.*/
+ u1b_tmp = odm_read_1byte(dm, REG_CR_8192E + 1);
+ odm_write_1byte(dm, REG_CR_8192E + 1, (u1b_tmp | BIT(0)));
+
+ /*Set FWHW_TXQ_CTRL 0x422[6]=0 to tell Hw the packet is not a real beacon frame.*/
+ tmp_reg422 = odm_read_1byte(dm, REG_FWHW_TXQ_CTRL_8192E + 2);
+ odm_write_1byte(dm, REG_FWHW_TXQ_CTRL_8192E + 2, tmp_reg422 & (~BIT(6)));
+
+ if (tmp_reg422 & BIT(6)) {
+ PHYDM_DBG(dm, DBG_TXBF,
+ "%s There is an adapter is sending beacon.\n",
+ __func__);
+ is_send_beacon = true;
+ }
+
+ /*TDECTRL[15:8] 0x209[7:0] = 0xFE/0xFD NDPA Head for TXDMA*/
+ odm_write_1byte(dm, REG_DWBCN0_CTRL_8192E + 1, head_page);
+
+ do {
+ /*@Clear beacon valid check bit.*/
+ bcn_valid_reg = odm_read_1byte(dm, REG_DWBCN0_CTRL_8192E + 2);
+ odm_write_1byte(dm, REG_DWBCN0_CTRL_8192E + 2, (bcn_valid_reg | BIT(0)));
+
+ /* @download NDPA rsvd page. */
+ beamforming_send_ht_ndpa_packet(dm, p_beam_entry->mac_addr, p_beam_entry->sound_bw, BEACON_QUEUE);
+
+#if (DEV_BUS_TYPE == RT_PCI_INTERFACE)
+ u1b_tmp = odm_read_1byte(dm, REG_MGQ_TXBD_NUM_8192E + 3);
+ count = 0;
+ while ((count < 20) && (u1b_tmp & BIT(4))) {
+ count++;
+ ODM_delay_us(10);
+ u1b_tmp = odm_read_1byte(dm, REG_MGQ_TXBD_NUM_8192E + 3);
+ }
+ odm_write_1byte(dm, REG_MGQ_TXBD_NUM_8192E + 3, u1b_tmp | BIT(4));
+#endif
+
+ /*@check rsvd page download OK.*/
+ bcn_valid_reg = odm_read_1byte(dm, REG_DWBCN0_CTRL_8192E + 2);
+ count = 0;
+ while (!(bcn_valid_reg & BIT(0)) && count < 20) {
+ count++;
+ ODM_delay_us(10);
+ bcn_valid_reg = odm_read_1byte(dm, REG_DWBCN0_CTRL_8192E + 2);
+ }
+ dl_bcn_count++;
+ } while (!(bcn_valid_reg & BIT(0)) && dl_bcn_count < 5);
+
+ if (!(bcn_valid_reg & BIT(0)))
+ PHYDM_DBG(dm, DBG_TXBF, "%s Download RSVD page failed!\n",
+ __func__);
+
+ /*TDECTRL[15:8] 0x209[7:0] = 0xF9 Beacon Head for TXDMA*/
+ odm_write_1byte(dm, REG_DWBCN0_CTRL_8192E + 1, tx_page_bndy);
+
+ /*To make sure that if there exists an adapter which would like to send beacon.*/
+ /*@If exists, the origianl value of 0x422[6] will be 1, we should check this to*/
+ /*prevent from setting 0x422[6] to 0 after download reserved page, or it will cause*/
+ /*the beacon cannot be sent by HW.*/
+ /*@2010.06.23. Added by tynli.*/
+ if (is_send_beacon)
+ odm_write_1byte(dm, REG_FWHW_TXQ_CTRL_8192E + 2, tmp_reg422);
+
+ /*@Do not enable HW DMA BCN or it will cause Pcie interface hang by timing issue. 2011.11.24. by tynli.*/
+ /*@Clear CR[8] or beacon packet will not be send to TxBuf anymore.*/
+ u1b_tmp = odm_read_1byte(dm, REG_CR_8192E + 1);
+ odm_write_1byte(dm, REG_CR_8192E + 1, (u1b_tmp & (~BIT(0))));
+
+ p_beam_entry->beamform_entry_state = BEAMFORMING_ENTRY_STATE_PROGRESSED;
+#if (DM_ODM_SUPPORT_TYPE == ODM_WIN)
+ *dm->is_fw_dw_rsvd_page_in_progress = false;
+#endif
+}
+
+void hal_txbf_8192e_enter(
+ void *dm_void,
+ u8 bfer_bfee_idx)
+{
+ struct dm_struct *dm = (struct dm_struct *)dm_void;
+ u8 i = 0;
+ u8 bfer_idx = (bfer_bfee_idx & 0xF0) >> 4;
+ u8 bfee_idx = (bfer_bfee_idx & 0xF);
+ u32 csi_param;
+ struct _RT_BEAMFORMING_INFO *beamforming_info = &dm->beamforming_info;
+ struct _RT_BEAMFORMEE_ENTRY beamformee_entry;
+ struct _RT_BEAMFORMER_ENTRY beamformer_entry;
+ u16 sta_id = 0;
+
+ PHYDM_DBG(dm, DBG_TXBF, "[%s] Start!\n", __func__);
+
+ hal_txbf_8192e_rf_mode(dm, beamforming_info);
+
+ if (dm->rf_type == RF_2T2R)
+ odm_write_4byte(dm, 0xd80, 0x00000000); /*nc =2*/
+
+ if (beamforming_info->beamformer_su_cnt > 0 && bfer_idx < BEAMFORMER_ENTRY_NUM) {
+ beamformer_entry = beamforming_info->beamformer_entry[bfer_idx];
+
+ /*Sounding protocol control*/
+ odm_write_1byte(dm, REG_SND_PTCL_CTRL_8192E, 0xCB);
+
+ /*@MAC address/Partial AID of Beamformer*/
+ if (bfer_idx == 0) {
+ for (i = 0; i < 6; i++)
+ odm_write_1byte(dm, (REG_ASSOCIATED_BFMER0_INFO_8192E + i), beamformer_entry.mac_addr[i]);
+ } else {
+ for (i = 0; i < 6; i++)
+ odm_write_1byte(dm, (REG_ASSOCIATED_BFMER1_INFO_8192E + i), beamformer_entry.mac_addr[i]);
+ }
+
+ /*@CSI report parameters of Beamformer Default use nc = 2*/
+ csi_param = 0x03090309;
+
+ odm_write_4byte(dm, REG_CSI_RPT_PARAM_BW20_8192E, csi_param);
+ odm_write_4byte(dm, REG_CSI_RPT_PARAM_BW40_8192E, csi_param);
+ odm_write_4byte(dm, REG_CSI_RPT_PARAM_BW80_8192E, csi_param);
+
+ /*Timeout value for MAC to leave NDP_RX_standby_state (60 us, Test chip) (80 us, MP chip)*/
+ odm_write_1byte(dm, REG_SND_PTCL_CTRL_8192E + 3, 0x50);
+ }
+
+ if (beamforming_info->beamformee_su_cnt > 0 && bfee_idx < BEAMFORMEE_ENTRY_NUM) {
+ beamformee_entry = beamforming_info->beamformee_entry[bfee_idx];
+
+ if (phydm_acting_determine(dm, phydm_acting_as_ibss))
+ sta_id = beamformee_entry.mac_id;
+ else
+ sta_id = beamformee_entry.p_aid;
+
+ PHYDM_DBG(dm, DBG_TXBF, "[%s], sta_id=0x%X\n", __func__,
+ sta_id);
+
+ /*P_AID of Beamformee & enable NDPA transmission & enable NDPA interrupt*/
+ if (bfee_idx == 0) {
+ odm_write_2byte(dm, REG_TXBF_CTRL_8192E, sta_id);
+ odm_write_1byte(dm, REG_TXBF_CTRL_8192E + 3, odm_read_1byte(dm, REG_TXBF_CTRL_8192E + 3) | BIT(4) | BIT(6) | BIT(7));
+ } else
+ odm_write_2byte(dm, REG_TXBF_CTRL_8192E + 2, sta_id | BIT(12) | BIT(14) | BIT(15));
+
+ /*@CSI report parameters of Beamformee*/
+ if (bfee_idx == 0) {
+ /*@Get BIT24 & BIT25*/
+ u8 tmp = odm_read_1byte(dm, REG_ASSOCIATED_BFMEE_SEL_8192E + 3) & 0x3;
+
+ odm_write_1byte(dm, REG_ASSOCIATED_BFMEE_SEL_8192E + 3, tmp | 0x60);
+ odm_write_2byte(dm, REG_ASSOCIATED_BFMEE_SEL_8192E, sta_id | BIT(9));
+ } else {
+ /*Set BIT25*/
+ odm_write_2byte(dm, REG_ASSOCIATED_BFMEE_SEL_8192E + 2, sta_id | 0xE200);
+ }
+ phydm_beamforming_notify(dm);
+ }
+}
+
+void hal_txbf_8192e_leave(
+ void *dm_void,
+ u8 idx)
+{
+ struct dm_struct *dm = (struct dm_struct *)dm_void;
+ struct _RT_BEAMFORMING_INFO *beam_info = &dm->beamforming_info;
+
+ hal_txbf_8192e_rf_mode(dm, beam_info);
+
+ /* @Clear P_AID of Beamformee
+ * Clear MAC addresss of Beamformer
+ * Clear Associated Bfmee Sel
+ */
+ if (beam_info->beamform_cap == BEAMFORMING_CAP_NONE)
+ odm_write_1byte(dm, REG_SND_PTCL_CTRL_8192E, 0xC8);
+
+ if (idx == 0) {
+ odm_write_2byte(dm, REG_TXBF_CTRL_8192E, 0);
+ odm_write_4byte(dm, REG_ASSOCIATED_BFMER0_INFO_8192E, 0);
+ odm_write_2byte(dm, REG_ASSOCIATED_BFMER0_INFO_8192E + 4, 0);
+ odm_write_2byte(dm, REG_ASSOCIATED_BFMEE_SEL_8192E, 0);
+ } else {
+ odm_write_2byte(dm, REG_TXBF_CTRL_8192E + 2, odm_read_1byte(dm, REG_TXBF_CTRL_8192E + 2) & 0xF000);
+ odm_write_4byte(dm, REG_ASSOCIATED_BFMER1_INFO_8192E, 0);
+ odm_write_2byte(dm, REG_ASSOCIATED_BFMER1_INFO_8192E + 4, 0);
+ odm_write_2byte(dm, REG_ASSOCIATED_BFMEE_SEL_8192E + 2, odm_read_2byte(dm, REG_ASSOCIATED_BFMEE_SEL_8192E + 2) & 0x60);
+ }
+
+ PHYDM_DBG(dm, DBG_TXBF, "[%s] idx %d\n", __func__, idx);
+}
+
+void hal_txbf_8192e_status(
+ void *dm_void,
+ u8 idx)
+{
+ struct dm_struct *dm = (struct dm_struct *)dm_void;
+ u16 beam_ctrl_val;
+ u32 beam_ctrl_reg;
+ struct _RT_BEAMFORMING_INFO *beam_info = &dm->beamforming_info;
+ struct _RT_BEAMFORMEE_ENTRY beamform_entry = beam_info->beamformee_entry[idx];
+
+ if (phydm_acting_determine(dm, phydm_acting_as_ibss))
+ beam_ctrl_val = beamform_entry.mac_id;
+ else
+ beam_ctrl_val = beamform_entry.p_aid;
+
+ if (idx == 0)
+ beam_ctrl_reg = REG_TXBF_CTRL_8192E;
+ else {
+ beam_ctrl_reg = REG_TXBF_CTRL_8192E + 2;
+ beam_ctrl_val |= BIT(12) | BIT(14) | BIT(15);
+ }
+
+ if (beamform_entry.beamform_entry_state == BEAMFORMING_ENTRY_STATE_PROGRESSED && beam_info->apply_v_matrix == true) {
+ if (beamform_entry.sound_bw == CHANNEL_WIDTH_20)
+ beam_ctrl_val |= BIT(9);
+ else if (beamform_entry.sound_bw == CHANNEL_WIDTH_40)
+ beam_ctrl_val |= BIT(10);
+ } else
+ beam_ctrl_val &= ~(BIT(9) | BIT(10) | BIT(11));
+
+ odm_write_2byte(dm, beam_ctrl_reg, beam_ctrl_val);
+
+ PHYDM_DBG(dm, DBG_TXBF,
+ "[%s] idx %d beam_ctrl_reg %x beam_ctrl_val %x\n", __func__,
+ idx, beam_ctrl_reg, beam_ctrl_val);
+}
+
+void hal_txbf_8192e_fw_tx_bf(
+ void *dm_void,
+ u8 idx)
+{
+ struct dm_struct *dm = (struct dm_struct *)dm_void;
+ struct _RT_BEAMFORMING_INFO *beam_info = &dm->beamforming_info;
+ struct _RT_BEAMFORMEE_ENTRY *p_beam_entry = beam_info->beamformee_entry + idx;
+
+ PHYDM_DBG(dm, DBG_TXBF, "[%s] Start!\n", __func__);
+
+ if (p_beam_entry->beamform_entry_state == BEAMFORMING_ENTRY_STATE_PROGRESSING)
+ hal_txbf_8192e_download_ndpa(dm, idx);
+
+ hal_txbf_8192e_fw_txbf_cmd(dm);
+}
+
+#endif /* @#if (RTL8192E_SUPPORT == 1)*/
+
+#endif
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