by Fiona Klute

[permalink] [raw]

Subject: [PATCH v3 2/9] wifi: rtw88: Debug output for rtw8723x EFUSE

Some 8703b chips contain invalid EFUSE data, getting detailed
information is critical when analyzing issues caused by that.

Acked-by: Ping-Ke Shih <[email protected]>
Tested-by: Pavel Machek <[email protected]>
Signed-off-by: Fiona Klute <[email protected]>
---
drivers/net/wireless/realtek/rtw88/rtw8723x.c | 159 ++++++++++++++++++
drivers/net/wireless/realtek/rtw88/rtw8723x.h | 11 ++
2 files changed, 170 insertions(+)

diff --git a/drivers/net/wireless/realtek/rtw88/rtw8723x.c b/drivers/net/wireless/realtek/rtw88/rtw8723x.c
index c23650c5a20..0d0b6c2cb9a 100644
--- a/drivers/net/wireless/realtek/rtw88/rtw8723x.c
+++ b/drivers/net/wireless/realtek/rtw88/rtw8723x.c
@@ -63,6 +63,163 @@ static void __rtw8723x_lck(struct rtw_dev *rtwdev)
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)
{
@@ -88,6 +245,7 @@ static int __rtw8723x_read_efuse(struct rtw_dev *rtwdev, u8 *log_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;
@@ -553,6 +711,7 @@ const struct rtw8723x_common rtw8723x_common = {
.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);

diff --git a/drivers/net/wireless/realtek/rtw88/rtw8723x.h b/drivers/net/wireless/realtek/rtw88/rtw8723x.h
index cace285fc03..d6dfee5a180 100644
--- a/drivers/net/wireless/realtek/rtw88/rtw8723x.h
+++ b/drivers/net/wireless/realtek/rtw88/rtw8723x.h
@@ -154,6 +154,9 @@ struct rtw8723x_common {
void (*fill_txdesc_checksum)(struct rtw_dev *rtwdev,
struct rtw_tx_pkt_info *pkt_info,
u8 *txdesc);
+ void (*debug_txpwr_limit)(struct rtw_dev *rtwdev,
+ struct rtw_txpwr_idx *table,
+ int tx_path_count);
};

extern const struct rtw8723x_common rtw8723x_common;
@@ -346,6 +349,14 @@ static inline s32 iqk_mult(s32 x, s32 y, s32 *ext)
return (t >> 8); /* Q.16 --> Q.8 */
}

+static inline
+void rtw8723x_debug_txpwr_limit(struct rtw_dev *rtwdev,
+ struct rtw_txpwr_idx *table,
+ int tx_path_count)
+{
+ rtw8723x_common.debug_txpwr_limit(rtwdev, table, tx_path_count);
+}
+
static inline void rtw8723x_lck(struct rtw_dev *rtwdev)
{
rtw8723x_common.lck(rtwdev);
--
2.43.0