diff options
author | Sean Wang <sean.wang@mediatek.com> | 2021-04-13 11:08:41 +0200 |
---|---|---|
committer | Felix Fietkau <nbd@nbd.name> | 2021-04-21 11:42:21 +0200 |
commit | ea29acc97c555bc4c295cd0ad78083a33b0272a2 (patch) | |
tree | 1c8bc677fced2b2624179895c8f98734bd8a9ace /drivers/net/wireless/mediatek | |
parent | 18369a4f9d73bf0ccd43d8df691d394281ee3ed4 (diff) | |
download | linux-stable-ea29acc97c555bc4c295cd0ad78083a33b0272a2.tar.gz linux-stable-ea29acc97c555bc4c295cd0ad78083a33b0272a2.tar.bz2 linux-stable-ea29acc97c555bc4c295cd0ad78083a33b0272a2.zip |
mt76: mt7921: add dumping Tx power table
Dump the tx power table saved in offload firmware.
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'drivers/net/wireless/mediatek')
-rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h | 1 | ||||
-rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c | 79 | ||||
-rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7921/mcu.c | 23 | ||||
-rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7921/mcu.h | 17 | ||||
-rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h | 31 |
5 files changed, 151 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h index 8d1b8e06af00..ff9fca52f344 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h +++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h @@ -564,6 +564,7 @@ enum { MCU_CMD_CHIP_CONFIG = MCU_CE_PREFIX | 0xca, MCU_CMD_FWLOG_2_HOST = MCU_CE_PREFIX | 0xc5, MCU_CMD_GET_WTBL = MCU_CE_PREFIX | 0xcd, + MCU_CMD_GET_TXPWR = MCU_CE_PREFIX | 0xd0, }; enum { diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c index 94f0320ab2d4..5207ad3157e8 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c @@ -146,6 +146,83 @@ mt7921_queues_read(struct seq_file *s, void *data) return 0; } +static void +mt7921_seq_puts_array(struct seq_file *file, const char *str, + s8 *val, int len) +{ + int i; + + seq_printf(file, "%-16s:", str); + for (i = 0; i < len; i++) + if (val[i] == 127) + seq_printf(file, " %6s", "N.A"); + else + seq_printf(file, " %6d", val[i]); + seq_puts(file, "\n"); +} + +#define mt7921_print_txpwr_entry(prefix, rate) \ +({ \ + mt7921_seq_puts_array(s, #prefix " (user)", \ + txpwr.data[TXPWR_USER].rate, \ + ARRAY_SIZE(txpwr.data[TXPWR_USER].rate)); \ + mt7921_seq_puts_array(s, #prefix " (eeprom)", \ + txpwr.data[TXPWR_EEPROM].rate, \ + ARRAY_SIZE(txpwr.data[TXPWR_EEPROM].rate)); \ + mt7921_seq_puts_array(s, #prefix " (tmac)", \ + txpwr.data[TXPWR_MAC].rate, \ + ARRAY_SIZE(txpwr.data[TXPWR_MAC].rate)); \ +}) + +static int +mt7921_txpwr(struct seq_file *s, void *data) +{ + struct mt7921_dev *dev = dev_get_drvdata(s->private); + struct mt7921_txpwr txpwr; + int ret; + + ret = mt7921_get_txpwr_info(dev, &txpwr); + if (ret) + return ret; + + seq_printf(s, "Tx power table (channel %d)\n", txpwr.ch); + seq_printf(s, "%-16s %6s %6s %6s %6s\n", + " ", "1m", "2m", "5m", "11m"); + mt7921_print_txpwr_entry(CCK, cck); + + seq_printf(s, "%-16s %6s %6s %6s %6s %6s %6s %6s %6s\n", + " ", "6m", "9m", "12m", "18m", "24m", "36m", + "48m", "54m"); + mt7921_print_txpwr_entry(OFDM, ofdm); + + seq_printf(s, "%-16s %6s %6s %6s %6s %6s %6s %6s %6s\n", + " ", "mcs0", "mcs1", "mcs2", "mcs3", "mcs4", "mcs5", + "mcs6", "mcs7"); + mt7921_print_txpwr_entry(HT20, ht20); + + seq_printf(s, "%-16s %6s %6s %6s %6s %6s %6s %6s %6s %6s\n", + " ", "mcs0", "mcs1", "mcs2", "mcs3", "mcs4", "mcs5", + "mcs6", "mcs7", "mcs32"); + mt7921_print_txpwr_entry(HT40, ht40); + + seq_printf(s, "%-16s %6s %6s %6s %6s %6s %6s %6s %6s %6s %6s %6s %6s\n", + " ", "mcs0", "mcs1", "mcs2", "mcs3", "mcs4", "mcs5", + "mcs6", "mcs7", "mcs8", "mcs9", "mcs10", "mcs11"); + mt7921_print_txpwr_entry(VHT20, vht20); + mt7921_print_txpwr_entry(VHT40, vht40); + mt7921_print_txpwr_entry(VHT80, vht80); + mt7921_print_txpwr_entry(VHT160, vht160); + mt7921_print_txpwr_entry(HE26, he26); + mt7921_print_txpwr_entry(HE52, he52); + mt7921_print_txpwr_entry(HE106, he106); + mt7921_print_txpwr_entry(HE242, he242); + mt7921_print_txpwr_entry(HE484, he484); + mt7921_print_txpwr_entry(HE996, he996); + mt7921_print_txpwr_entry(HE996x2, he996x2); + + return 0; +} + static int mt7921_pm_set(void *data, u64 val) { @@ -225,6 +302,8 @@ int mt7921_init_debugfs(struct mt7921_dev *dev) mt7921_queues_read); debugfs_create_devm_seqfile(dev->mt76.dev, "acq", dir, mt7921_queues_acq); + debugfs_create_devm_seqfile(dev->mt76.dev, "txpower_sku", dir, + mt7921_txpwr); debugfs_create_file("tx_stats", 0400, dir, dev, &mt7921_tx_stats_fops); debugfs_create_file("fw_debug", 0600, dir, dev, &fops_fw_debug); debugfs_create_file("runtime-pm", 0600, dir, dev, &fops_pm); diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c index aa55667b6ed7..1f231088f287 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c @@ -1382,3 +1382,26 @@ int mt7921_mcu_update_arp_filter(struct ieee80211_hw *hw, return mt76_mcu_skb_send_msg(&dev->mt76, skb, MCU_UNI_CMD_OFFLOAD, true); } + +int mt7921_get_txpwr_info(struct mt7921_dev *dev, struct mt7921_txpwr *txpwr) +{ + struct mt7921_txpwr_event *event; + struct mt7921_txpwr_req req = { + .dbdc_idx = 0, + }; + struct sk_buff *skb; + int ret; + + ret = mt76_mcu_send_and_get_msg(&dev->mt76, MCU_CMD_GET_TXPWR, + &req, sizeof(req), true, &skb); + if (ret) + return ret; + + event = (struct mt7921_txpwr_event *)skb->data; + WARN_ON(skb->len != le16_to_cpu(event->len)); + memcpy(txpwr, &event->txpwr, sizeof(event->txpwr)); + + dev_kfree_skb(skb); + + return 0; +} diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.h b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.h index 13e125f32283..49823d0a3d0a 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.h +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.h @@ -86,6 +86,7 @@ enum { MCU_EVENT_CH_PRIVILEGE = 0x18, MCU_EVENT_SCHED_SCAN_DONE = 0x23, MCU_EVENT_DBG_MSG = 0x27, + MCU_EVENT_TXPWR = 0xd0, MCU_EVENT_COREDUMP = 0xf0, }; @@ -390,4 +391,20 @@ struct mt7921_mcu_wlan_info { __le32 wlan_idx; struct mt7921_mcu_wlan_info_event event; } __packed; + +struct mt7921_txpwr_req { + u8 ver; + u8 action; + __le16 len; + u8 dbdc_idx; + u8 rsv[3]; +} __packed; + +struct mt7921_txpwr_event { + u8 ver; + u8 action; + __le16 len; + struct mt7921_txpwr txpwr; +} __packed; + #endif diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h index e3d83d3d954c..5cc01efee989 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h @@ -173,6 +173,36 @@ struct mt7921_dev { }; enum { + TXPWR_USER, + TXPWR_EEPROM, + TXPWR_MAC, + TXPWR_MAX_NUM, +}; + +struct mt7921_txpwr { + u8 ch; + u8 rsv[3]; + struct { + u8 ch; + u8 cck[4]; + u8 ofdm[8]; + u8 ht20[8]; + u8 ht40[9]; + u8 vht20[12]; + u8 vht40[12]; + u8 vht80[12]; + u8 vht160[12]; + u8 he26[12]; + u8 he52[12]; + u8 he106[12]; + u8 he242[12]; + u8 he484[12]; + u8 he996[12]; + u8 he996x2[12]; + } data[TXPWR_MAX_NUM]; +}; + +enum { MT_LMAC_AC00, MT_LMAC_AC01, MT_LMAC_AC02, @@ -352,4 +382,5 @@ int mt7921_mcu_update_arp_filter(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_bss_conf *info); int mt7921_wfsys_reset(struct mt7921_dev *dev); +int mt7921_get_txpwr_info(struct mt7921_dev *dev, struct mt7921_txpwr *txpwr); #endif |