diff options
Diffstat (limited to 'drivers/net/wireless/realtek/rtw88/rtw8723x.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw88/rtw8723x.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8723x.c b/drivers/net/wireless/realtek/rtw88/rtw8723x.c index 69f73cb5b4cd..4c77963fdd37 100644 --- a/drivers/net/wireless/realtek/rtw88/rtw8723x.c +++ b/drivers/net/wireless/realtek/rtw88/rtw8723x.c @@ -69,6 +69,9 @@ static void __rtw8723x_lck(struct rtw_dev *rtwdev) #define DBG_EFUSE_2BYTE(rtwdev, map, name) \ rtw_dbg(rtwdev, RTW_DBG_EFUSE, # name "=0x%02x%02x\n", \ (map)->name[0], (map)->name[1]) +#define DBG_EFUSE_FIX(rtwdev, name) \ + rtw_dbg(rtwdev, RTW_DBG_EFUSE, "Fixed invalid EFUSE value: " \ + # name "=0x%x\n", rtwdev->efuse.name) static void rtw8723xe_efuse_debug(struct rtw_dev *rtwdev, struct rtw8723x_efuse *map) @@ -238,10 +241,21 @@ static void rtw8723xs_efuse_parsing(struct rtw_efuse *efuse, ether_addr_copy(efuse->addr, map->s.mac_addr); } +/* Default power index table for RTL8703B/RTL8723D, used if EFUSE does + * not contain valid data. Replaces EFUSE data from offset 0x10 (start + * of txpwr_idx_table). + */ +static const u8 rtw8723x_txpwr_idx_table[] = { + 0x2D, 0x2D, 0x2D, 0x2D, 0x2D, 0x2D, + 0x2D, 0x2D, 0x2D, 0x2D, 0x2D, 0x02 +}; + static int __rtw8723x_read_efuse(struct rtw_dev *rtwdev, u8 *log_map) { struct rtw_efuse *efuse = &rtwdev->efuse; + u8 *pwr = (u8 *)efuse->txpwr_idx_table; struct rtw8723x_efuse *map; + bool valid = false; int i; map = (struct rtw8723x_efuse *)log_map; @@ -279,6 +293,51 @@ static int __rtw8723x_read_efuse(struct rtw_dev *rtwdev, u8 *log_map) return -EOPNOTSUPP; } + /* If TX power index table in EFUSE is invalid, fall back to + * built-in table. + */ + for (i = 0; i < ARRAY_SIZE(rtw8723x_txpwr_idx_table); i++) + if (pwr[i] != 0xff) { + valid = true; + break; + } + if (!valid) { + for (i = 0; i < ARRAY_SIZE(rtw8723x_txpwr_idx_table); i++) + pwr[i] = rtw8723x_txpwr_idx_table[i]; + rtw_dbg(rtwdev, RTW_DBG_EFUSE, + "Replaced invalid EFUSE TX power index table."); + rtw8723x_debug_txpwr_limit(rtwdev, + efuse->txpwr_idx_table, 2); + } + + /* Override invalid antenna settings. */ + if (efuse->bt_setting == 0xff) { + /* shared antenna */ + efuse->bt_setting |= BIT(0); + /* RF path A */ + efuse->bt_setting &= ~BIT(6); + DBG_EFUSE_FIX(rtwdev, bt_setting); + } + + /* Override invalid board options: The coex code incorrectly + * assumes that if bits 6 & 7 are set the board doesn't + * support coex. Regd is also derived from rf_board_option and + * should be 0 if there's no valid data. + */ + if (efuse->rf_board_option == 0xff) { + efuse->regd = 0; + efuse->rf_board_option &= GENMASK(5, 0); + DBG_EFUSE_FIX(rtwdev, rf_board_option); + } + + /* Override invalid crystal cap setting, default comes from + * vendor driver. Chip specific. + */ + if (efuse->crystal_cap == 0xff) { + efuse->crystal_cap = 0x20; + DBG_EFUSE_FIX(rtwdev, crystal_cap); + } + return 0; } |