diff options
Diffstat (limited to 'drivers/net/wireless/realtek/rtw88/rtw8723x.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw88/rtw8723x.c | 721 |
1 files changed, 721 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8723x.c b/drivers/net/wireless/realtek/rtw88/rtw8723x.c new file mode 100644 index 0000000000..0d0b6c2cb9 --- /dev/null +++ b/drivers/net/wireless/realtek/rtw88/rtw8723x.c @@ -0,0 +1,721 @@ +// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause +/* Copyright 2024 Fiona Klute + * + * Based on code originally in rtw8723d.[ch], + * Copyright(c) 2018-2019 Realtek Corporation + */ + +#include "main.h" +#include "debug.h" +#include "phy.h" +#include "reg.h" +#include "tx.h" +#include "rtw8723x.h" + +static const struct rtw_hw_reg rtw8723x_txagc[] = { + [DESC_RATE1M] = { .addr = 0xe08, .mask = 0x0000ff00 }, + [DESC_RATE2M] = { .addr = 0x86c, .mask = 0x0000ff00 }, + [DESC_RATE5_5M] = { .addr = 0x86c, .mask = 0x00ff0000 }, + [DESC_RATE11M] = { .addr = 0x86c, .mask = 0xff000000 }, + [DESC_RATE6M] = { .addr = 0xe00, .mask = 0x000000ff }, + [DESC_RATE9M] = { .addr = 0xe00, .mask = 0x0000ff00 }, + [DESC_RATE12M] = { .addr = 0xe00, .mask = 0x00ff0000 }, + [DESC_RATE18M] = { .addr = 0xe00, .mask = 0xff000000 }, + [DESC_RATE24M] = { .addr = 0xe04, .mask = 0x000000ff }, + [DESC_RATE36M] = { .addr = 0xe04, .mask = 0x0000ff00 }, + [DESC_RATE48M] = { .addr = 0xe04, .mask = 0x00ff0000 }, + [DESC_RATE54M] = { .addr = 0xe04, .mask = 0xff000000 }, + [DESC_RATEMCS0] = { .addr = 0xe10, .mask = 0x000000ff }, + [DESC_RATEMCS1] = { .addr = 0xe10, .mask = 0x0000ff00 }, + [DESC_RATEMCS2] = { .addr = 0xe10, .mask = 0x00ff0000 }, + [DESC_RATEMCS3] = { .addr = 0xe10, .mask = 0xff000000 }, + [DESC_RATEMCS4] = { .addr = 0xe14, .mask = 0x000000ff }, + [DESC_RATEMCS5] = { .addr = 0xe14, .mask = 0x0000ff00 }, + [DESC_RATEMCS6] = { .addr = 0xe14, .mask = 0x00ff0000 }, + [DESC_RATEMCS7] = { .addr = 0xe14, .mask = 0xff000000 }, +}; + +static void __rtw8723x_lck(struct rtw_dev *rtwdev) +{ + u32 lc_cal; + u8 val_ctx, rf_val; + int ret; + + val_ctx = rtw_read8(rtwdev, REG_CTX); + if ((val_ctx & BIT_MASK_CTX_TYPE) != 0) + rtw_write8(rtwdev, REG_CTX, val_ctx & ~BIT_MASK_CTX_TYPE); + else + rtw_write8(rtwdev, REG_TXPAUSE, 0xFF); + lc_cal = rtw_read_rf(rtwdev, RF_PATH_A, RF_CFGCH, RFREG_MASK); + + rtw_write_rf(rtwdev, RF_PATH_A, RF_CFGCH, RFREG_MASK, lc_cal | BIT_LCK); + + ret = read_poll_timeout(rtw_read_rf, rf_val, rf_val != 0x1, + 10000, 1000000, false, + rtwdev, RF_PATH_A, RF_CFGCH, BIT_LCK); + if (ret) + rtw_warn(rtwdev, "failed to poll LCK status bit\n"); + + rtw_write_rf(rtwdev, RF_PATH_A, RF_CFGCH, RFREG_MASK, lc_cal); + if ((val_ctx & BIT_MASK_CTX_TYPE) != 0) + rtw_write8(rtwdev, REG_CTX, val_ctx); + else + rtw_write8(rtwdev, REG_TXPAUSE, 0x00); +} + +#define DBG_EFUSE_VAL(rtwdev, map, name) \ + rtw_dbg(rtwdev, RTW_DBG_EFUSE, # name "=0x%02x\n", \ + (map)->name) +#define DBG_EFUSE_2BYTE(rtwdev, map, name) \ + rtw_dbg(rtwdev, RTW_DBG_EFUSE, # name "=0x%02x%02x\n", \ + (map)->name[0], (map)->name[1]) + +static void rtw8723xe_efuse_debug(struct rtw_dev *rtwdev, + struct rtw8723x_efuse *map) +{ + rtw_dbg(rtwdev, RTW_DBG_EFUSE, "mac_addr=%pM\n", map->e.mac_addr); + DBG_EFUSE_2BYTE(rtwdev, map, e.vendor_id); + DBG_EFUSE_2BYTE(rtwdev, map, e.device_id); + DBG_EFUSE_2BYTE(rtwdev, map, e.sub_vendor_id); + DBG_EFUSE_2BYTE(rtwdev, map, e.sub_device_id); +} + +static void rtw8723xu_efuse_debug(struct rtw_dev *rtwdev, + struct rtw8723x_efuse *map) +{ + DBG_EFUSE_2BYTE(rtwdev, map, u.vendor_id); + DBG_EFUSE_2BYTE(rtwdev, map, u.product_id); + DBG_EFUSE_VAL(rtwdev, map, u.usb_option); + rtw_dbg(rtwdev, RTW_DBG_EFUSE, "mac_addr=%pM\n", map->u.mac_addr); +} + +static void rtw8723xs_efuse_debug(struct rtw_dev *rtwdev, + struct rtw8723x_efuse *map) +{ + rtw_dbg(rtwdev, RTW_DBG_EFUSE, "mac_addr=%pM\n", map->s.mac_addr); +} + +static void __rtw8723x_debug_txpwr_limit(struct rtw_dev *rtwdev, + struct rtw_txpwr_idx *table, + int tx_path_count) +{ + if (!rtw_dbg_is_enabled(rtwdev, RTW_DBG_EFUSE)) + return; + + rtw_dbg(rtwdev, RTW_DBG_EFUSE, + "Power index table (2.4G):\n"); + /* CCK base */ + rtw_dbg(rtwdev, RTW_DBG_EFUSE, "CCK base\n"); + rtw_dbg(rtwdev, RTW_DBG_EFUSE, "RF G0 G1 G2 G3 G4 G5\n"); + for (int i = 0; i < tx_path_count; i++) + rtw_dbg(rtwdev, RTW_DBG_EFUSE, + "[%c]: %3u %3u %3u %3u %3u %3u\n", + 'A' + i, + table[i].pwr_idx_2g.cck_base[0], + table[i].pwr_idx_2g.cck_base[1], + table[i].pwr_idx_2g.cck_base[2], + table[i].pwr_idx_2g.cck_base[3], + table[i].pwr_idx_2g.cck_base[4], + table[i].pwr_idx_2g.cck_base[5]); + /* CCK diff */ + rtw_dbg(rtwdev, RTW_DBG_EFUSE, "CCK diff\n"); + rtw_dbg(rtwdev, RTW_DBG_EFUSE, "RF 1S 2S 3S 4S\n"); + for (int i = 0; i < tx_path_count; i++) + rtw_dbg(rtwdev, RTW_DBG_EFUSE, + "[%c]: %2d %2d %2d %2d\n", + 'A' + i, 0 /* no diff for 1S */, + table[i].pwr_idx_2g.ht_2s_diff.cck, + table[i].pwr_idx_2g.ht_3s_diff.cck, + table[i].pwr_idx_2g.ht_4s_diff.cck); + /* BW40-1S base */ + rtw_dbg(rtwdev, RTW_DBG_EFUSE, "BW40-1S base\n"); + rtw_dbg(rtwdev, RTW_DBG_EFUSE, "RF G0 G1 G2 G3 G4\n"); + for (int i = 0; i < tx_path_count; i++) + rtw_dbg(rtwdev, RTW_DBG_EFUSE, + "[%c]: %3u %3u %3u %3u %3u\n", + 'A' + i, + table[i].pwr_idx_2g.bw40_base[0], + table[i].pwr_idx_2g.bw40_base[1], + table[i].pwr_idx_2g.bw40_base[2], + table[i].pwr_idx_2g.bw40_base[3], + table[i].pwr_idx_2g.bw40_base[4]); + /* OFDM diff */ + rtw_dbg(rtwdev, RTW_DBG_EFUSE, "OFDM diff\n"); + rtw_dbg(rtwdev, RTW_DBG_EFUSE, "RF 1S 2S 3S 4S\n"); + for (int i = 0; i < tx_path_count; i++) + rtw_dbg(rtwdev, RTW_DBG_EFUSE, + "[%c]: %2d %2d %2d %2d\n", + 'A' + i, + table[i].pwr_idx_2g.ht_1s_diff.ofdm, + table[i].pwr_idx_2g.ht_2s_diff.ofdm, + table[i].pwr_idx_2g.ht_3s_diff.ofdm, + table[i].pwr_idx_2g.ht_4s_diff.ofdm); + /* BW20 diff */ + rtw_dbg(rtwdev, RTW_DBG_EFUSE, "BW20 diff\n"); + rtw_dbg(rtwdev, RTW_DBG_EFUSE, "RF 1S 2S 3S 4S\n"); + for (int i = 0; i < tx_path_count; i++) + rtw_dbg(rtwdev, RTW_DBG_EFUSE, + "[%c]: %2d %2d %2d %2d\n", + 'A' + i, + table[i].pwr_idx_2g.ht_1s_diff.bw20, + table[i].pwr_idx_2g.ht_2s_diff.bw20, + table[i].pwr_idx_2g.ht_3s_diff.bw20, + table[i].pwr_idx_2g.ht_4s_diff.bw20); + /* BW40 diff */ + rtw_dbg(rtwdev, RTW_DBG_EFUSE, "BW40 diff\n"); + rtw_dbg(rtwdev, RTW_DBG_EFUSE, "RF 1S 2S 3S 4S\n"); + for (int i = 0; i < tx_path_count; i++) + rtw_dbg(rtwdev, RTW_DBG_EFUSE, + "[%c]: %2d %2d %2d %2d\n", + 'A' + i, 0 /* no diff for 1S */, + table[i].pwr_idx_2g.ht_2s_diff.bw40, + table[i].pwr_idx_2g.ht_3s_diff.bw40, + table[i].pwr_idx_2g.ht_4s_diff.bw40); +} + +static void efuse_debug_dump(struct rtw_dev *rtwdev, + struct rtw8723x_efuse *map) +{ + if (!rtw_dbg_is_enabled(rtwdev, RTW_DBG_EFUSE)) + return; + + rtw_dbg(rtwdev, RTW_DBG_EFUSE, "EFUSE raw logical map:\n"); + print_hex_dump(KERN_DEBUG, "", DUMP_PREFIX_OFFSET, 16, 1, + (u8 *)map, sizeof(struct rtw8723x_efuse), false); + rtw_dbg(rtwdev, RTW_DBG_EFUSE, "Parsed rtw8723x EFUSE data:\n"); + DBG_EFUSE_VAL(rtwdev, map, rtl_id); + DBG_EFUSE_VAL(rtwdev, map, afe); + rtw8723x_debug_txpwr_limit(rtwdev, map->txpwr_idx_table, 4); + DBG_EFUSE_VAL(rtwdev, map, channel_plan); + DBG_EFUSE_VAL(rtwdev, map, xtal_k); + DBG_EFUSE_VAL(rtwdev, map, thermal_meter); + DBG_EFUSE_VAL(rtwdev, map, iqk_lck); + DBG_EFUSE_VAL(rtwdev, map, pa_type); + DBG_EFUSE_2BYTE(rtwdev, map, lna_type_2g); + DBG_EFUSE_2BYTE(rtwdev, map, lna_type_5g); + DBG_EFUSE_VAL(rtwdev, map, rf_board_option); + DBG_EFUSE_VAL(rtwdev, map, rf_feature_option); + DBG_EFUSE_VAL(rtwdev, map, rf_bt_setting); + DBG_EFUSE_VAL(rtwdev, map, eeprom_version); + DBG_EFUSE_VAL(rtwdev, map, eeprom_customer_id); + DBG_EFUSE_VAL(rtwdev, map, tx_bb_swing_setting_2g); + DBG_EFUSE_VAL(rtwdev, map, tx_pwr_calibrate_rate); + DBG_EFUSE_VAL(rtwdev, map, rf_antenna_option); + DBG_EFUSE_VAL(rtwdev, map, rfe_option); + DBG_EFUSE_2BYTE(rtwdev, map, country_code); + + switch (rtw_hci_type(rtwdev)) { + case RTW_HCI_TYPE_PCIE: + rtw8723xe_efuse_debug(rtwdev, map); + break; + case RTW_HCI_TYPE_USB: + rtw8723xu_efuse_debug(rtwdev, map); + break; + case RTW_HCI_TYPE_SDIO: + rtw8723xs_efuse_debug(rtwdev, map); + break; + default: + /* unsupported now */ + break; + } +} + +static void rtw8723xe_efuse_parsing(struct rtw_efuse *efuse, + struct rtw8723x_efuse *map) +{ + ether_addr_copy(efuse->addr, map->e.mac_addr); +} + +static void rtw8723xu_efuse_parsing(struct rtw_efuse *efuse, + struct rtw8723x_efuse *map) +{ + ether_addr_copy(efuse->addr, map->u.mac_addr); +} + +static void rtw8723xs_efuse_parsing(struct rtw_efuse *efuse, + struct rtw8723x_efuse *map) +{ + ether_addr_copy(efuse->addr, map->s.mac_addr); +} + +static int __rtw8723x_read_efuse(struct rtw_dev *rtwdev, u8 *log_map) +{ + struct rtw_efuse *efuse = &rtwdev->efuse; + struct rtw8723x_efuse *map; + int i; + + map = (struct rtw8723x_efuse *)log_map; + efuse_debug_dump(rtwdev, map); + + efuse->rfe_option = 0; + efuse->rf_board_option = map->rf_board_option; + efuse->crystal_cap = map->xtal_k; + efuse->pa_type_2g = map->pa_type; + efuse->lna_type_2g = map->lna_type_2g[0]; + efuse->channel_plan = map->channel_plan; + efuse->country_code[0] = map->country_code[0]; + efuse->country_code[1] = map->country_code[1]; + efuse->bt_setting = map->rf_bt_setting; + efuse->regd = map->rf_board_option & 0x7; + efuse->thermal_meter[0] = map->thermal_meter; + efuse->thermal_meter_k = map->thermal_meter; + efuse->afe = map->afe; + + for (i = 0; i < 4; i++) + efuse->txpwr_idx_table[i] = map->txpwr_idx_table[i]; + + switch (rtw_hci_type(rtwdev)) { + case RTW_HCI_TYPE_PCIE: + rtw8723xe_efuse_parsing(efuse, map); + break; + case RTW_HCI_TYPE_USB: + rtw8723xu_efuse_parsing(efuse, map); + break; + case RTW_HCI_TYPE_SDIO: + rtw8723xs_efuse_parsing(efuse, map); + break; + default: + /* unsupported now */ + return -EOPNOTSUPP; + } + + return 0; +} + +#define BIT_CFENDFORM BIT(9) +#define BIT_WMAC_TCR_ERR0 BIT(12) +#define BIT_WMAC_TCR_ERR1 BIT(13) +#define BIT_TCR_CFG (BIT_CFENDFORM | BIT_WMAC_TCR_ERR0 | \ + BIT_WMAC_TCR_ERR1) +#define WLAN_RX_FILTER0 0xFFFF +#define WLAN_RX_FILTER1 0x400 +#define WLAN_RX_FILTER2 0xFFFF +#define WLAN_RCR_CFG 0x700060CE + +static int __rtw8723x_mac_init(struct rtw_dev *rtwdev) +{ + rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 1, WLAN_TXQ_RPT_EN); + rtw_write32(rtwdev, REG_TCR, BIT_TCR_CFG); + + rtw_write16(rtwdev, REG_RXFLTMAP0, WLAN_RX_FILTER0); + rtw_write16(rtwdev, REG_RXFLTMAP1, WLAN_RX_FILTER1); + rtw_write16(rtwdev, REG_RXFLTMAP2, WLAN_RX_FILTER2); + rtw_write32(rtwdev, REG_RCR, WLAN_RCR_CFG); + + rtw_write32(rtwdev, REG_INT_MIG, 0); + rtw_write32(rtwdev, REG_MCUTST_1, 0x0); + + rtw_write8(rtwdev, REG_MISC_CTRL, BIT_DIS_SECOND_CCA); + rtw_write8(rtwdev, REG_2ND_CCA_CTRL, 0); + + return 0; +} + +static void __rtw8723x_cfg_ldo25(struct rtw_dev *rtwdev, bool enable) +{ + u8 ldo_pwr; + + ldo_pwr = rtw_read8(rtwdev, REG_LDO_EFUSE_CTRL + 3); + if (enable) { + ldo_pwr &= ~BIT_MASK_LDO25_VOLTAGE; + ldo_pwr |= (BIT_LDO25_VOLTAGE_V25 << 4) | BIT_LDO25_EN; + } else { + ldo_pwr &= ~BIT_LDO25_EN; + } + rtw_write8(rtwdev, REG_LDO_EFUSE_CTRL + 3, ldo_pwr); +} + +static void +rtw8723x_set_tx_power_index_by_rate(struct rtw_dev *rtwdev, u8 path, u8 rs) +{ + struct rtw_hal *hal = &rtwdev->hal; + const struct rtw_hw_reg *txagc; + u8 rate, pwr_index; + int j; + + for (j = 0; j < rtw_rate_size[rs]; j++) { + rate = rtw_rate_section[rs][j]; + pwr_index = hal->tx_pwr_tbl[path][rate]; + + if (rate >= ARRAY_SIZE(rtw8723x_txagc)) { + rtw_warn(rtwdev, "rate 0x%x isn't supported\n", rate); + continue; + } + txagc = &rtw8723x_txagc[rate]; + if (!txagc->addr) { + rtw_warn(rtwdev, "rate 0x%x isn't defined\n", rate); + continue; + } + + rtw_write32_mask(rtwdev, txagc->addr, txagc->mask, pwr_index); + } +} + +static void __rtw8723x_set_tx_power_index(struct rtw_dev *rtwdev) +{ + struct rtw_hal *hal = &rtwdev->hal; + int rs, path; + + for (path = 0; path < hal->rf_path_num; path++) { + for (rs = 0; rs <= RTW_RATE_SECTION_HT_1S; rs++) + rtw8723x_set_tx_power_index_by_rate(rtwdev, path, rs); + } +} + +static void __rtw8723x_efuse_grant(struct rtw_dev *rtwdev, bool on) +{ + if (on) { + rtw_write8(rtwdev, REG_EFUSE_ACCESS, EFUSE_ACCESS_ON); + + rtw_write16_set(rtwdev, REG_SYS_FUNC_EN, BIT_FEN_ELDR); + rtw_write16_set(rtwdev, REG_SYS_CLKR, BIT_LOADER_CLK_EN | BIT_ANA8M); + } else { + rtw_write8(rtwdev, REG_EFUSE_ACCESS, EFUSE_ACCESS_OFF); + } +} + +static void __rtw8723x_false_alarm_statistics(struct rtw_dev *rtwdev) +{ + struct rtw_dm_info *dm_info = &rtwdev->dm_info; + u32 cck_fa_cnt; + u32 ofdm_fa_cnt; + u32 crc32_cnt; + u32 val32; + + /* hold counter */ + rtw_write32_mask(rtwdev, REG_OFDM_FA_HOLDC_11N, BIT_MASK_OFDM_FA_KEEP, 1); + rtw_write32_mask(rtwdev, REG_OFDM_FA_RSTD_11N, BIT_MASK_OFDM_FA_KEEP1, 1); + rtw_write32_mask(rtwdev, REG_CCK_FA_RST_11N, BIT_MASK_CCK_CNT_KEEP, 1); + rtw_write32_mask(rtwdev, REG_CCK_FA_RST_11N, BIT_MASK_CCK_FA_KEEP, 1); + + cck_fa_cnt = rtw_read32_mask(rtwdev, REG_CCK_FA_LSB_11N, MASKBYTE0); + cck_fa_cnt += rtw_read32_mask(rtwdev, REG_CCK_FA_MSB_11N, MASKBYTE3) << 8; + + val32 = rtw_read32(rtwdev, REG_OFDM_FA_TYPE1_11N); + ofdm_fa_cnt = u32_get_bits(val32, BIT_MASK_OFDM_FF_CNT); + ofdm_fa_cnt += u32_get_bits(val32, BIT_MASK_OFDM_SF_CNT); + val32 = rtw_read32(rtwdev, REG_OFDM_FA_TYPE2_11N); + dm_info->ofdm_cca_cnt = u32_get_bits(val32, BIT_MASK_OFDM_CCA_CNT); + ofdm_fa_cnt += u32_get_bits(val32, BIT_MASK_OFDM_PF_CNT); + val32 = rtw_read32(rtwdev, REG_OFDM_FA_TYPE3_11N); + ofdm_fa_cnt += u32_get_bits(val32, BIT_MASK_OFDM_RI_CNT); + ofdm_fa_cnt += u32_get_bits(val32, BIT_MASK_OFDM_CRC_CNT); + val32 = rtw_read32(rtwdev, REG_OFDM_FA_TYPE4_11N); + ofdm_fa_cnt += u32_get_bits(val32, BIT_MASK_OFDM_MNS_CNT); + + dm_info->cck_fa_cnt = cck_fa_cnt; + dm_info->ofdm_fa_cnt = ofdm_fa_cnt; + dm_info->total_fa_cnt = cck_fa_cnt + ofdm_fa_cnt; + + dm_info->cck_err_cnt = rtw_read32(rtwdev, REG_IGI_C_11N); + dm_info->cck_ok_cnt = rtw_read32(rtwdev, REG_IGI_D_11N); + crc32_cnt = rtw_read32(rtwdev, REG_OFDM_CRC32_CNT_11N); + dm_info->ofdm_err_cnt = u32_get_bits(crc32_cnt, BIT_MASK_OFDM_LCRC_ERR); + dm_info->ofdm_ok_cnt = u32_get_bits(crc32_cnt, BIT_MASK_OFDM_LCRC_OK); + crc32_cnt = rtw_read32(rtwdev, REG_HT_CRC32_CNT_11N); + dm_info->ht_err_cnt = u32_get_bits(crc32_cnt, BIT_MASK_HT_CRC_ERR); + dm_info->ht_ok_cnt = u32_get_bits(crc32_cnt, BIT_MASK_HT_CRC_OK); + dm_info->vht_err_cnt = 0; + dm_info->vht_ok_cnt = 0; + + val32 = rtw_read32(rtwdev, REG_CCK_CCA_CNT_11N); + dm_info->cck_cca_cnt = (u32_get_bits(val32, BIT_MASK_CCK_FA_MSB) << 8) | + u32_get_bits(val32, BIT_MASK_CCK_FA_LSB); + dm_info->total_cca_cnt = dm_info->cck_cca_cnt + dm_info->ofdm_cca_cnt; + + /* reset counter */ + rtw_write32_mask(rtwdev, REG_OFDM_FA_RSTC_11N, BIT_MASK_OFDM_FA_RST, 1); + rtw_write32_mask(rtwdev, REG_OFDM_FA_RSTC_11N, BIT_MASK_OFDM_FA_RST, 0); + rtw_write32_mask(rtwdev, REG_OFDM_FA_RSTD_11N, BIT_MASK_OFDM_FA_RST1, 1); + rtw_write32_mask(rtwdev, REG_OFDM_FA_RSTD_11N, BIT_MASK_OFDM_FA_RST1, 0); + rtw_write32_mask(rtwdev, REG_OFDM_FA_HOLDC_11N, BIT_MASK_OFDM_FA_KEEP, 0); + rtw_write32_mask(rtwdev, REG_OFDM_FA_RSTD_11N, BIT_MASK_OFDM_FA_KEEP1, 0); + rtw_write32_mask(rtwdev, REG_CCK_FA_RST_11N, BIT_MASK_CCK_CNT_KPEN, 0); + rtw_write32_mask(rtwdev, REG_CCK_FA_RST_11N, BIT_MASK_CCK_CNT_KPEN, 2); + rtw_write32_mask(rtwdev, REG_CCK_FA_RST_11N, BIT_MASK_CCK_FA_KPEN, 0); + rtw_write32_mask(rtwdev, REG_CCK_FA_RST_11N, BIT_MASK_CCK_FA_KPEN, 2); + rtw_write32_mask(rtwdev, REG_PAGE_F_RST_11N, BIT_MASK_F_RST_ALL, 1); + rtw_write32_mask(rtwdev, REG_PAGE_F_RST_11N, BIT_MASK_F_RST_ALL, 0); +} + +/* IQK (IQ calibration) */ + +static +void __rtw8723x_iqk_backup_regs(struct rtw_dev *rtwdev, + struct rtw8723x_iqk_backup_regs *backup) +{ + int i; + + for (i = 0; i < RTW8723X_IQK_ADDA_REG_NUM; i++) + backup->adda[i] = rtw_read32(rtwdev, + rtw8723x_common.iqk_adda_regs[i]); + + for (i = 0; i < RTW8723X_IQK_MAC8_REG_NUM; i++) + backup->mac8[i] = rtw_read8(rtwdev, + rtw8723x_common.iqk_mac8_regs[i]); + for (i = 0; i < RTW8723X_IQK_MAC32_REG_NUM; i++) + backup->mac32[i] = rtw_read32(rtwdev, + rtw8723x_common.iqk_mac32_regs[i]); + + for (i = 0; i < RTW8723X_IQK_BB_REG_NUM; i++) + backup->bb[i] = rtw_read32(rtwdev, + rtw8723x_common.iqk_bb_regs[i]); + + backup->igia = rtw_read32_mask(rtwdev, REG_OFDM0_XAAGC1, MASKBYTE0); + backup->igib = rtw_read32_mask(rtwdev, REG_OFDM0_XBAGC1, MASKBYTE0); + + backup->bb_sel_btg = rtw_read32(rtwdev, REG_BB_SEL_BTG); +} + +static +void __rtw8723x_iqk_restore_regs(struct rtw_dev *rtwdev, + const struct rtw8723x_iqk_backup_regs *backup) +{ + int i; + + for (i = 0; i < RTW8723X_IQK_ADDA_REG_NUM; i++) + rtw_write32(rtwdev, rtw8723x_common.iqk_adda_regs[i], + backup->adda[i]); + + for (i = 0; i < RTW8723X_IQK_MAC8_REG_NUM; i++) + rtw_write8(rtwdev, rtw8723x_common.iqk_mac8_regs[i], + backup->mac8[i]); + for (i = 0; i < RTW8723X_IQK_MAC32_REG_NUM; i++) + rtw_write32(rtwdev, rtw8723x_common.iqk_mac32_regs[i], + backup->mac32[i]); + + for (i = 0; i < RTW8723X_IQK_BB_REG_NUM; i++) + rtw_write32(rtwdev, rtw8723x_common.iqk_bb_regs[i], + backup->bb[i]); + + rtw_write32_mask(rtwdev, REG_OFDM0_XAAGC1, MASKBYTE0, 0x50); + rtw_write32_mask(rtwdev, REG_OFDM0_XAAGC1, MASKBYTE0, backup->igia); + + rtw_write32_mask(rtwdev, REG_OFDM0_XBAGC1, MASKBYTE0, 0x50); + rtw_write32_mask(rtwdev, REG_OFDM0_XBAGC1, MASKBYTE0, backup->igib); + + rtw_write32(rtwdev, REG_TXIQK_TONE_A_11N, 0x01008c00); + rtw_write32(rtwdev, REG_RXIQK_TONE_A_11N, 0x01008c00); +} + +static +bool __rtw8723x_iqk_similarity_cmp(struct rtw_dev *rtwdev, + s32 result[][IQK_NR], + u8 c1, u8 c2) +{ + u32 i, j, diff; + u32 bitmap = 0; + u8 candidate[PATH_NR] = {IQK_ROUND_INVALID, IQK_ROUND_INVALID}; + bool ret = true; + + s32 tmp1, tmp2; + + for (i = 0; i < IQK_NR; i++) { + tmp1 = iqkxy_to_s32(result[c1][i]); + tmp2 = iqkxy_to_s32(result[c2][i]); + + diff = abs(tmp1 - tmp2); + + if (diff <= MAX_TOLERANCE) + continue; + + if ((i == IQK_S1_RX_X || i == IQK_S0_RX_X) && !bitmap) { + if (result[c1][i] + result[c1][i + 1] == 0) + candidate[i / IQK_SX_NR] = c2; + else if (result[c2][i] + result[c2][i + 1] == 0) + candidate[i / IQK_SX_NR] = c1; + else + bitmap |= BIT(i); + } else { + bitmap |= BIT(i); + } + } + + if (bitmap != 0) + goto check_sim; + + for (i = 0; i < PATH_NR; i++) { + if (candidate[i] == IQK_ROUND_INVALID) + continue; + + for (j = i * IQK_SX_NR; j < i * IQK_SX_NR + 2; j++) + result[IQK_ROUND_HYBRID][j] = result[candidate[i]][j]; + ret = false; + } + + return ret; + +check_sim: + for (i = 0; i < IQK_NR; i++) { + j = i & ~1; /* 2 bits are a pair for IQ[X, Y] */ + if (bitmap & GENMASK(j + 1, j)) + continue; + + result[IQK_ROUND_HYBRID][i] = result[c1][i]; + } + + return false; +} + +static u8 __rtw8723x_pwrtrack_get_limit_ofdm(struct rtw_dev *rtwdev) +{ + struct rtw_dm_info *dm_info = &rtwdev->dm_info; + u8 tx_rate = dm_info->tx_rate; + u8 limit_ofdm = 30; + + switch (tx_rate) { + case DESC_RATE1M...DESC_RATE5_5M: + case DESC_RATE11M: + break; + case DESC_RATE6M...DESC_RATE48M: + limit_ofdm = 36; + break; + case DESC_RATE54M: + limit_ofdm = 34; + break; + case DESC_RATEMCS0...DESC_RATEMCS2: + limit_ofdm = 38; + break; + case DESC_RATEMCS3...DESC_RATEMCS4: + limit_ofdm = 36; + break; + case DESC_RATEMCS5...DESC_RATEMCS7: + limit_ofdm = 34; + break; + default: + rtw_warn(rtwdev, "pwrtrack unhandled tx_rate 0x%x\n", tx_rate); + break; + } + + return limit_ofdm; +} + +static +void __rtw8723x_pwrtrack_set_xtal(struct rtw_dev *rtwdev, u8 therm_path, + u8 delta) +{ + struct rtw_dm_info *dm_info = &rtwdev->dm_info; + const struct rtw_pwr_track_tbl *tbl = rtwdev->chip->pwr_track_tbl; + const s8 *pwrtrk_xtal; + s8 xtal_cap; + + if (dm_info->thermal_avg[therm_path] > + rtwdev->efuse.thermal_meter[therm_path]) + pwrtrk_xtal = tbl->pwrtrk_xtal_p; + else + pwrtrk_xtal = tbl->pwrtrk_xtal_n; + + xtal_cap = rtwdev->efuse.crystal_cap & 0x3F; + xtal_cap = clamp_t(s8, xtal_cap + pwrtrk_xtal[delta], 0, 0x3F); + rtw_write32_mask(rtwdev, REG_AFE_CTRL3, BIT_MASK_XTAL, + xtal_cap | (xtal_cap << 6)); +} + +static +void __rtw8723x_fill_txdesc_checksum(struct rtw_dev *rtwdev, + struct rtw_tx_pkt_info *pkt_info, + u8 *txdesc) +{ + size_t words = 32 / 2; /* calculate the first 32 bytes (16 words) */ + __le16 chksum = 0; + __le16 *data = (__le16 *)(txdesc); + struct rtw_tx_desc *tx_desc = (struct rtw_tx_desc *)txdesc; + + le32p_replace_bits(&tx_desc->w7, 0, RTW_TX_DESC_W7_TXDESC_CHECKSUM); + + while (words--) + chksum ^= *data++; + + chksum = ~chksum; + + le32p_replace_bits(&tx_desc->w7, __le16_to_cpu(chksum), + RTW_TX_DESC_W7_TXDESC_CHECKSUM); +} + +static void __rtw8723x_coex_cfg_init(struct rtw_dev *rtwdev) +{ + /* enable TBTT nterrupt */ + rtw_write8_set(rtwdev, REG_BCN_CTRL, BIT_EN_BCN_FUNCTION); + + /* BT report packet sample rate */ + /* 0x790[5:0]=0x5 */ + rtw_write8_mask(rtwdev, REG_BT_TDMA_TIME, BIT_MASK_SAMPLE_RATE, 0x5); + + /* enable BT counter statistics */ + rtw_write8(rtwdev, REG_BT_STAT_CTRL, 0x1); + + /* enable PTA (3-wire function form BT side) */ + rtw_write32_set(rtwdev, REG_GPIO_MUXCFG, BIT_BT_PTA_EN); + rtw_write32_set(rtwdev, REG_GPIO_MUXCFG, BIT_PO_BT_PTA_PINS); + + /* enable PTA (tx/rx signal form WiFi side) */ + rtw_write8_set(rtwdev, REG_QUEUE_CTRL, BIT_PTA_WL_TX_EN); +} + +const struct rtw8723x_common rtw8723x_common = { + .iqk_adda_regs = { + 0x85c, 0xe6c, 0xe70, 0xe74, 0xe78, 0xe7c, 0xe80, 0xe84, + 0xe88, 0xe8c, 0xed0, 0xed4, 0xed8, 0xedc, 0xee0, 0xeec + }, + .iqk_mac8_regs = {0x522, 0x550, 0x551}, + .iqk_mac32_regs = {0x40}, + .iqk_bb_regs = { + 0xc04, 0xc08, 0x874, 0xb68, 0xb6c, 0x870, 0x860, 0x864, 0xa04 + }, + + .ltecoex_addr = { + .ctrl = REG_LTECOEX_CTRL, + .wdata = REG_LTECOEX_WRITE_DATA, + .rdata = REG_LTECOEX_READ_DATA, + }, + .rf_sipi_addr = { + [RF_PATH_A] = { .hssi_1 = 0x820, .lssi_read = 0x8a0, + .hssi_2 = 0x824, .lssi_read_pi = 0x8b8}, + [RF_PATH_B] = { .hssi_1 = 0x828, .lssi_read = 0x8a4, + .hssi_2 = 0x82c, .lssi_read_pi = 0x8bc}, + }, + .dig = { + [0] = { .addr = 0xc50, .mask = 0x7f }, + [1] = { .addr = 0xc50, .mask = 0x7f }, + }, + .dig_cck = { + [0] = { .addr = 0xa0c, .mask = 0x3f00 }, + }, + .prioq_addrs = { + .prio[RTW_DMA_MAPPING_EXTRA] = { + .rsvd = REG_RQPN_NPQ + 2, .avail = REG_RQPN_NPQ + 3, + }, + .prio[RTW_DMA_MAPPING_LOW] = { + .rsvd = REG_RQPN + 1, .avail = REG_FIFOPAGE_CTRL_2 + 1, + }, + .prio[RTW_DMA_MAPPING_NORMAL] = { + .rsvd = REG_RQPN_NPQ, .avail = REG_RQPN_NPQ + 1, + }, + .prio[RTW_DMA_MAPPING_HIGH] = { + .rsvd = REG_RQPN, .avail = REG_FIFOPAGE_CTRL_2, + }, + .wsize = false, + }, + + .lck = __rtw8723x_lck, + .read_efuse = __rtw8723x_read_efuse, + .mac_init = __rtw8723x_mac_init, + .cfg_ldo25 = __rtw8723x_cfg_ldo25, + .set_tx_power_index = __rtw8723x_set_tx_power_index, + .efuse_grant = __rtw8723x_efuse_grant, + .false_alarm_statistics = __rtw8723x_false_alarm_statistics, + .iqk_backup_regs = __rtw8723x_iqk_backup_regs, + .iqk_restore_regs = __rtw8723x_iqk_restore_regs, + .iqk_similarity_cmp = __rtw8723x_iqk_similarity_cmp, + .pwrtrack_get_limit_ofdm = __rtw8723x_pwrtrack_get_limit_ofdm, + .pwrtrack_set_xtal = __rtw8723x_pwrtrack_set_xtal, + .coex_cfg_init = __rtw8723x_coex_cfg_init, + .fill_txdesc_checksum = __rtw8723x_fill_txdesc_checksum, + .debug_txpwr_limit = __rtw8723x_debug_txpwr_limit, +}; +EXPORT_SYMBOL(rtw8723x_common); + +MODULE_AUTHOR("Realtek Corporation"); +MODULE_AUTHOR("Fiona Klute <fiona.klute@gmx.de>"); +MODULE_DESCRIPTION("Common functions for Realtek 802.11n wireless 8723x drivers"); +MODULE_LICENSE("Dual BSD/GPL"); |