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path: root/drivers/net/wireless/realtek/rtw88/rtw8723x.c
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Diffstat (limited to 'drivers/net/wireless/realtek/rtw88/rtw8723x.c')
-rw-r--r--drivers/net/wireless/realtek/rtw88/rtw8723x.c721
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");