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Mon, 18 Sep 2023 02:32:28 -0700 Received: from mtkmbs13n1.mediatek.inc (172.21.101.193) by MTKMBS14N1.mediatek.inc (172.21.101.75) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Mon, 18 Sep 2023 17:31:24 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs13n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Mon, 18 Sep 2023 17:31:24 +0800 From: Deren Wu To: Felix Fietkau , Lorenzo Bianconi CC: Sean Wang , Ryder Lee , Shayne Chen , linux-wireless , linux-mediatek , Deren Wu Subject: [PATCH v3 15/17] wifi: mt76: mt7925: add debugfs.c Date: Mon, 18 Sep 2023 17:31:08 +0800 Message-ID: X-Mailer: git-send-email 2.18.0 In-Reply-To: References: MIME-Version: 1.0 X-TM-AS-Product-Ver: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-AS-Result: No-10--3.750700-8.000000 X-TMASE-MatchedRID: stwxiOJxn0rKRSR886eK0gPZZctd3P4BWjWsWQUWzVpnnK6mXN72m1Ue MbrYurbIhVmF9kz2wxJpRdvz6M46/o6tZajJDbftAoNa2r+Edw27RI8DUnTSNBojiQcA4mf5NKC Fv+lwDDJf83eXF/r8cXgscjoXnCecz5ey3IkHnU6jrlYm3WTU7+VNLvCrslx/chS2F0fRRcFym7 XTGqC0b0818b/ktFJcIjGf2e71bvd8xqXGIUw3StF8NCC76P7lKVrLOZD1BXTxxaAXDrCns1vaE szALXSy4vM1YF6AJbbCCfuIMF6xLcK21zBg2KlfRcDSKgj6IG2L3dtfhj3k1Ka1XgxweNEYcg6C +9kdKACbvGxUl1jTGgQeIKTLxifat4R0o51Pe+Wfc4oJGkRA/2DD7IASdHOwzUQcV9BeCYt2a1G xGYqQBIlk9PZkM+7M8PZB/MwMuOGjrlS58dwO+A== X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--3.750700-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: 9A709FFCEEA73FD17430995238E4C7B0EF36F27F4137CCF6E7EA25790D52B32C2000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230918_023333_212012_121B305D X-CRM114-Status: GOOD ( 18.10 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org (Patches split into one patch per file for easier review, but the final commit will be one big patch. See the cover letter for more info.) Co-developed-by: Lorenzo Bianconi Signed-off-by: Lorenzo Bianconi Signed-off-by: Deren Wu --- .../wireless/mediatek/mt76/mt7925/debugfs.c | 319 ++++++++++++++++++ 1 file changed, 319 insertions(+) create mode 100644 drivers/net/wireless/mediatek/mt76/mt7925/debugfs.c diff --git a/drivers/net/wireless/mediatek/mt76/mt7925/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7925/debugfs.c new file mode 100644 index 000000000000..1e2fc6577e78 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt7925/debugfs.c @@ -0,0 +1,319 @@ +// SPDX-License-Identifier: ISC +/* Copyright (C) 2023 MediaTek Inc. */ + +#include "mt7925.h" +#include "mcu.h" + +static int +mt7925_reg_set(void *data, u64 val) +{ + struct mt792x_dev *dev = data; + u32 regval = val; + + mt792x_mutex_acquire(dev); + mt7925_mcu_regval(dev, dev->mt76.debugfs_reg, ®val, true); + mt792x_mutex_release(dev); + + return 0; +} + +static int +mt7925_reg_get(void *data, u64 *val) +{ + struct mt792x_dev *dev = data; + u32 regval; + int ret; + + mt792x_mutex_acquire(dev); + ret = mt7925_mcu_regval(dev, dev->mt76.debugfs_reg, ®val, false); + mt792x_mutex_release(dev); + if (!ret) + *val = regval; + + return 0; +} + +DEFINE_DEBUGFS_ATTRIBUTE(fops_regval, mt7925_reg_get, mt7925_reg_set, + "0x%08llx\n"); +static int +mt7925_fw_debug_set(void *data, u64 val) +{ + struct mt792x_dev *dev = data; + + mt792x_mutex_acquire(dev); + + dev->fw_debug = (u8)val; + mt7925_mcu_fw_log_2_host(dev, dev->fw_debug); + + mt792x_mutex_release(dev); + + return 0; +} + +static int +mt7925_fw_debug_get(void *data, u64 *val) +{ + struct mt792x_dev *dev = data; + + *val = dev->fw_debug; + + return 0; +} + +DEFINE_DEBUGFS_ATTRIBUTE(fops_fw_debug, mt7925_fw_debug_get, + mt7925_fw_debug_set, "%lld\n"); + +DEFINE_SHOW_ATTRIBUTE(mt792x_tx_stats); + +static void +mt7925_seq_puts_array(struct seq_file *file, const char *str, + s8 val[][2], int len, u8 band_idx) +{ + int i; + + seq_printf(file, "%-22s:", str); + for (i = 0; i < len; i++) + if (val[i][band_idx] == 127) + seq_printf(file, " %6s", "N.A"); + else + seq_printf(file, " %6d", val[i][band_idx]); + seq_puts(file, "\n"); +} + +#define mt7925_print_txpwr_entry(prefix, rate, idx) \ +({ \ + mt7925_seq_puts_array(s, #prefix " (tmac)", \ + txpwr->rate, \ + ARRAY_SIZE(txpwr->rate), \ + idx); \ +}) + +static inline void +mt7925_eht_txpwr(struct seq_file *s, struct mt7925_txpwr *txpwr, u8 band_idx) +{ + seq_printf(s, "%-22s %6s %6s %6s %6s %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", + "mcs12", "mcs13", "mcs14", "mcs15"); + mt7925_print_txpwr_entry(EHT26, eht26, band_idx); + mt7925_print_txpwr_entry(EHT52, eht52, band_idx); + mt7925_print_txpwr_entry(EHT106, eht106, band_idx); + mt7925_print_txpwr_entry(EHT242, eht242, band_idx); + mt7925_print_txpwr_entry(EHT484, eht484, band_idx); + + mt7925_print_txpwr_entry(EHT996, eht996, band_idx); + mt7925_print_txpwr_entry(EHT996x2, eht996x2, band_idx); + mt7925_print_txpwr_entry(EHT996x4, eht996x4, band_idx); + mt7925_print_txpwr_entry(EHT26_52, eht26_52, band_idx); + mt7925_print_txpwr_entry(EHT26_106, eht26_106, band_idx); + mt7925_print_txpwr_entry(EHT484_242, eht484_242, band_idx); + mt7925_print_txpwr_entry(EHT996_484, eht996_484, band_idx); + mt7925_print_txpwr_entry(EHT996_484_242, eht996_484_242, band_idx); + mt7925_print_txpwr_entry(EHT996x2_484, eht996x2_484, band_idx); + mt7925_print_txpwr_entry(EHT996x3, eht996x3, band_idx); + mt7925_print_txpwr_entry(EHT996x3_484, eht996x3_484, band_idx); +} + +static int +mt7925_txpwr(struct seq_file *s, void *data) +{ + struct mt792x_dev *dev = dev_get_drvdata(s->private); + struct mt7925_txpwr *txpwr = NULL; + u8 band_idx = dev->mphy.band_idx; + int ret = 0; + + txpwr = devm_kmalloc(dev->mt76.dev, sizeof(*txpwr), GFP_KERNEL); + + if (!txpwr) + return -ENOMEM; + + mt792x_mutex_acquire(dev); + ret = mt7925_get_txpwr_info(dev, band_idx, txpwr); + mt792x_mutex_release(dev); + + if (ret) + goto out; + + seq_printf(s, "%-22s %6s %6s %6s %6s\n", + " ", "1m", "2m", "5m", "11m"); + mt7925_print_txpwr_entry(CCK, cck, band_idx); + + seq_printf(s, "%-22s %6s %6s %6s %6s %6s %6s %6s %6s\n", + " ", "6m", "9m", "12m", "18m", "24m", "36m", + "48m", "54m"); + mt7925_print_txpwr_entry(OFDM, ofdm, band_idx); + + seq_printf(s, "%-22s %6s %6s %6s %6s %6s %6s %6s %6s\n", + " ", "mcs0", "mcs1", "mcs2", "mcs3", "mcs4", "mcs5", + "mcs6", "mcs7"); + mt7925_print_txpwr_entry(HT20, ht20, band_idx); + + seq_printf(s, "%-22s %6s %6s %6s %6s %6s %6s %6s %6s %6s\n", + " ", "mcs0", "mcs1", "mcs2", "mcs3", "mcs4", "mcs5", + "mcs6", "mcs7", "mcs32"); + mt7925_print_txpwr_entry(HT40, ht40, band_idx); + + seq_printf(s, "%-22s %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"); + mt7925_print_txpwr_entry(VHT20, vht20, band_idx); + mt7925_print_txpwr_entry(VHT40, vht40, band_idx); + + mt7925_print_txpwr_entry(VHT80, vht80, band_idx); + mt7925_print_txpwr_entry(VHT160, vht160, band_idx); + + mt7925_print_txpwr_entry(HE26, he26, band_idx); + mt7925_print_txpwr_entry(HE52, he52, band_idx); + mt7925_print_txpwr_entry(HE106, he106, band_idx); + mt7925_print_txpwr_entry(HE242, he242, band_idx); + mt7925_print_txpwr_entry(HE484, he484, band_idx); + + mt7925_print_txpwr_entry(HE996, he996, band_idx); + mt7925_print_txpwr_entry(HE996x2, he996x2, band_idx); + + mt7925_eht_txpwr(s, txpwr, band_idx); + +out: + devm_kfree(dev->mt76.dev, txpwr); + return ret; +} + +static int +mt7925_pm_set(void *data, u64 val) +{ + struct mt792x_dev *dev = data; + struct mt76_connac_pm *pm = &dev->pm; + + if (mt76_is_usb(&dev->mt76)) + return -EOPNOTSUPP; + + mutex_lock(&dev->mt76.mutex); + + if (val == pm->enable_user) + goto out; + + if (!pm->enable_user) { + pm->stats.last_wake_event = jiffies; + pm->stats.last_doze_event = jiffies; + } + /* make sure the chip is awake here and ps_work is scheduled + * just at end of the this routine. + */ + pm->enable = false; + mt76_connac_pm_wake(&dev->mphy, pm); + + pm->enable_user = val; + mt7925_set_runtime_pm(dev); + mt76_connac_power_save_sched(&dev->mphy, pm); +out: + mutex_unlock(&dev->mt76.mutex); + + return 0; +} + +static int +mt7925_pm_get(void *data, u64 *val) +{ + struct mt792x_dev *dev = data; + + *val = dev->pm.enable_user; + + return 0; +} + +DEFINE_DEBUGFS_ATTRIBUTE(fops_pm, mt7925_pm_get, mt7925_pm_set, "%lld\n"); + +static int +mt7925_deep_sleep_set(void *data, u64 val) +{ + struct mt792x_dev *dev = data; + struct mt76_connac_pm *pm = &dev->pm; + bool monitor = !!(dev->mphy.hw->conf.flags & IEEE80211_CONF_MONITOR); + bool enable = !!val; + + if (mt76_is_usb(&dev->mt76)) + return -EOPNOTSUPP; + + mt792x_mutex_acquire(dev); + if (pm->ds_enable_user == enable) + goto out; + + pm->ds_enable_user = enable; + pm->ds_enable = enable && !monitor; + mt7925_mcu_set_deep_sleep(dev, pm->ds_enable); +out: + mt792x_mutex_release(dev); + + return 0; +} + +static int +mt7925_deep_sleep_get(void *data, u64 *val) +{ + struct mt792x_dev *dev = data; + + *val = dev->pm.ds_enable_user; + + return 0; +} + +DEFINE_DEBUGFS_ATTRIBUTE(fops_ds, mt7925_deep_sleep_get, + mt7925_deep_sleep_set, "%lld\n"); + +DEFINE_DEBUGFS_ATTRIBUTE(fops_pm_idle_timeout, mt792x_pm_idle_timeout_get, + mt792x_pm_idle_timeout_set, "%lld\n"); + +static int mt7925_chip_reset(void *data, u64 val) +{ + struct mt792x_dev *dev = data; + int ret = 0; + + switch (val) { + case 1: + /* Reset wifisys directly. */ + mt792x_reset(&dev->mt76); + break; + default: + /* Collect the core dump before reset wifisys. */ + mt792x_mutex_acquire(dev); + ret = mt7925_mcu_chip_config(dev, "assert"); + mt792x_mutex_release(dev); + break; + } + + return ret; +} + +DEFINE_DEBUGFS_ATTRIBUTE(fops_reset, NULL, mt7925_chip_reset, "%lld\n"); + +int mt7925_init_debugfs(struct mt792x_dev *dev) +{ + struct dentry *dir; + + dir = mt76_register_debugfs_fops(&dev->mphy, &fops_regval); + if (!dir) + return -ENOMEM; + + if (mt76_is_mmio(&dev->mt76)) + debugfs_create_devm_seqfile(dev->mt76.dev, "xmit-queues", + dir, mt792x_queues_read); + else + debugfs_create_devm_seqfile(dev->mt76.dev, "xmit-queues", + dir, mt76_queues_read); + + debugfs_create_devm_seqfile(dev->mt76.dev, "acq", dir, + mt792x_queues_acq); + debugfs_create_devm_seqfile(dev->mt76.dev, "txpower_sku", dir, + mt7925_txpwr); + debugfs_create_file("tx_stats", 0400, dir, dev, &mt792x_tx_stats_fops); + debugfs_create_file("fw_debug", 0600, dir, dev, &fops_fw_debug); + debugfs_create_file("runtime-pm", 0600, dir, dev, &fops_pm); + debugfs_create_file("idle-timeout", 0600, dir, dev, + &fops_pm_idle_timeout); + debugfs_create_file("chip_reset", 0600, dir, dev, &fops_reset); + debugfs_create_devm_seqfile(dev->mt76.dev, "runtime_pm_stats", dir, + mt792x_pm_stats); + debugfs_create_file("deep-sleep", 0600, dir, dev, &fops_ds); + + return 0; +}