diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c | 296 |
1 files changed, 296 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c new file mode 100644 index 0000000000..616b66a3fd --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c @@ -0,0 +1,296 @@ +// SPDX-License-Identifier: ISC +/* Copyright (C) 2020 MediaTek Inc. */ + +#include "mt7921.h" + +static int +mt7921_reg_set(void *data, u64 val) +{ + struct mt792x_dev *dev = data; + + mt792x_mutex_acquire(dev); + mt76_wr(dev, dev->mt76.debugfs_reg, val); + mt792x_mutex_release(dev); + + return 0; +} + +static int +mt7921_reg_get(void *data, u64 *val) +{ + struct mt792x_dev *dev = data; + + mt792x_mutex_acquire(dev); + *val = mt76_rr(dev, dev->mt76.debugfs_reg); + mt792x_mutex_release(dev); + + return 0; +} + +DEFINE_DEBUGFS_ATTRIBUTE(fops_regval, mt7921_reg_get, mt7921_reg_set, + "0x%08llx\n"); +static int +mt7921_fw_debug_set(void *data, u64 val) +{ + struct mt792x_dev *dev = data; + + mt792x_mutex_acquire(dev); + + dev->fw_debug = (u8)val; + mt7921_mcu_fw_log_2_host(dev, dev->fw_debug); + + mt792x_mutex_release(dev); + + return 0; +} + +static int +mt7921_fw_debug_get(void *data, u64 *val) +{ + struct mt792x_dev *dev = data; + + *val = dev->fw_debug; + + return 0; +} + +DEFINE_DEBUGFS_ATTRIBUTE(fops_fw_debug, mt7921_fw_debug_get, + mt7921_fw_debug_set, "%lld\n"); + +DEFINE_SHOW_ATTRIBUTE(mt792x_tx_stats); + +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 mt792x_dev *dev = dev_get_drvdata(s->private); + struct mt7921_txpwr txpwr; + int ret; + + mt792x_mutex_acquire(dev); + ret = mt7921_get_txpwr_info(dev, &txpwr); + mt792x_mutex_release(dev); + + 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) +{ + 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; + mt7921_set_runtime_pm(dev); + mt76_connac_power_save_sched(&dev->mphy, pm); +out: + mutex_unlock(&dev->mt76.mutex); + + return 0; +} + +static int +mt7921_pm_get(void *data, u64 *val) +{ + struct mt792x_dev *dev = data; + + *val = dev->pm.enable_user; + + return 0; +} + +DEFINE_DEBUGFS_ATTRIBUTE(fops_pm, mt7921_pm_get, mt7921_pm_set, "%lld\n"); + +static int +mt7921_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; + mt76_connac_mcu_set_deep_sleep(&dev->mt76, pm->ds_enable); +out: + mt792x_mutex_release(dev); + + return 0; +} + +static int +mt7921_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, mt7921_deep_sleep_get, + mt7921_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 mt7921_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 = mt76_connac_mcu_chip_config(&dev->mt76); + mt792x_mutex_release(dev); + break; + } + + return ret; +} + +DEFINE_DEBUGFS_ATTRIBUTE(fops_reset, NULL, mt7921_chip_reset, "%lld\n"); + +static int +mt7921s_sched_quota_read(struct seq_file *s, void *data) +{ + struct mt792x_dev *dev = dev_get_drvdata(s->private); + struct mt76_sdio *sdio = &dev->mt76.sdio; + + seq_printf(s, "pse_data_quota\t%d\n", sdio->sched.pse_data_quota); + seq_printf(s, "ple_data_quota\t%d\n", sdio->sched.ple_data_quota); + seq_printf(s, "pse_mcu_quota\t%d\n", sdio->sched.pse_mcu_quota); + seq_printf(s, "sched_deficit\t%d\n", sdio->sched.deficit); + + return 0; +} + +int mt7921_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, + mt7921_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); + if (mt76_is_sdio(&dev->mt76)) + debugfs_create_devm_seqfile(dev->mt76.dev, "sched-quota", dir, + mt7921s_sched_quota_read); + return 0; +} |