From 70911d96380692d6fdbae7c7421da844166047c1 Mon Sep 17 00:00:00 2001 From: Lorenzo Bianconi Date: Sat, 29 Jun 2019 12:36:11 +0200 Subject: [PATCH] mt76: mt7615: add radar pattern test knob to debugfs Introduce mt7615_mcu_rdd_send_pattern routine to trigger a radar pattern detection. Moreover move debugfs related routines in a dedicated source file. Suggested-by: Ryder Lee Signed-off-by: Lorenzo Bianconi Signed-off-by: Felix Fietkau --- .../wireless/mediatek/mt76/mt7615/Makefile | 3 +- .../wireless/mediatek/mt76/mt7615/debugfs.c | 38 +++++++++++++++++++ .../net/wireless/mediatek/mt76/mt7615/init.c | 13 ------- .../net/wireless/mediatek/mt76/mt7615/mcu.c | 31 +++++++++++++++ .../net/wireless/mediatek/mt76/mt7615/mcu.h | 1 + .../wireless/mediatek/mt76/mt7615/mt7615.h | 9 +++++ 6 files changed, 81 insertions(+), 14 deletions(-) create mode 100644 drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/Makefile b/drivers/net/wireless/mediatek/mt76/mt7615/Makefile index 6397552f6ee3..5aaac69849d6 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/Makefile +++ b/drivers/net/wireless/mediatek/mt76/mt7615/Makefile @@ -2,4 +2,5 @@ obj-$(CONFIG_MT7615E) += mt7615e.o -mt7615e-y := pci.o init.o dma.o eeprom.o main.o mcu.o mac.o +mt7615e-y := pci.o init.o dma.o eeprom.o main.o mcu.o mac.o \ + debugfs.o diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c new file mode 100644 index 000000000000..ed605fcc99f9 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c @@ -0,0 +1,38 @@ +/* SPDX-License-Identifier: ISC */ + +#include "mt7615.h" + +static int +mt7615_radar_pattern_set(void *data, u64 val) +{ + struct mt7615_dev *dev = data; + + return mt7615_mcu_rdd_send_pattern(dev); +} + +DEFINE_DEBUGFS_ATTRIBUTE(fops_radar_pattern, NULL, + mt7615_radar_pattern_set, "%lld\n"); + +int mt7615_init_debugfs(struct mt7615_dev *dev) +{ + struct dentry *dir; + + dir = mt76_register_debugfs(&dev->mt76); + if (!dir) + return -ENOMEM; + + debugfs_create_u32("dfs_hw_pattern", 0400, dir, &dev->hw_pattern); + /* test pattern knobs */ + debugfs_create_u8("pattern_len", 0600, dir, + &dev->radar_pattern.n_pulses); + debugfs_create_u32("pulse_period", 0600, dir, + &dev->radar_pattern.period); + debugfs_create_u16("pulse_width", 0600, dir, + &dev->radar_pattern.width); + debugfs_create_u16("pulse_power", 0600, dir, + &dev->radar_pattern.power); + debugfs_create_file("radar_trigger", 0200, dir, dev, + &fops_radar_pattern); + + return 0; +} diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/init.c b/drivers/net/wireless/mediatek/mt76/mt7615/init.c index 095b22671e71..a6c2a132f960 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/init.c @@ -155,19 +155,6 @@ static const struct ieee80211_iface_combination if_comb[] = { } }; -static int mt7615_init_debugfs(struct mt7615_dev *dev) -{ - struct dentry *dir; - - dir = mt76_register_debugfs(&dev->mt76); - if (!dir) - return -ENOMEM; - - debugfs_create_u32("dfs_hw_pattern", 0400, dir, &dev->hw_pattern); - - return 0; -} - static void mt7615_init_txpower(struct mt7615_dev *dev, struct ieee80211_supported_band *sband) diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c index 951849e4dd09..06d146198e33 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c @@ -1294,6 +1294,37 @@ int mt7615_mcu_rdd_cmd(struct mt7615_dev *dev, &req, sizeof(req), true); } +int mt7615_mcu_rdd_send_pattern(struct mt7615_dev *dev) +{ + struct { + u8 pulse_num; + u8 rsv[3]; + struct { + u32 start_time; + u16 width; + s16 power; + } pattern[32]; + } req = { + .pulse_num = dev->radar_pattern.n_pulses, + }; + u32 start_time = ktime_to_ms(ktime_get_boottime()); + int i; + + if (dev->radar_pattern.n_pulses > ARRAY_SIZE(req.pattern)) + return -EINVAL; + + /* TODO: add some noise here */ + for (i = 0; i < dev->radar_pattern.n_pulses; i++) { + req.pattern[i].width = dev->radar_pattern.width; + req.pattern[i].power = dev->radar_pattern.power; + req.pattern[i].start_time = start_time + + i * dev->radar_pattern.period; + } + + return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_SET_RDD_PATTERN, + &req, sizeof(req), false); +} + int mt7615_mcu_set_channel(struct mt7615_dev *dev) { struct cfg80211_chan_def *chandef = &dev->mt76.chandef; diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.h b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.h index 73ce9fe8bfed..17d22bfb1722 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.h +++ b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.h @@ -104,6 +104,7 @@ enum { MCU_EXT_CMD_MAC_INIT_CTRL = 0x46, MCU_EXT_CMD_BCN_OFFLOAD = 0x49, MCU_EXT_CMD_SET_RX_PATH = 0x4e, + MCU_EXT_CMD_SET_RDD_PATTERN = 0x7d, }; enum { diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h b/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h index d113fa30115e..3713db874ef4 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h +++ b/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h @@ -68,6 +68,12 @@ struct mt7615_dev { u32 vif_mask; u32 omac_mask; + struct { + u8 n_pulses; + u32 period; + u16 width; + s16 power; + } radar_pattern; u32 hw_pattern; int dfs_state; @@ -177,6 +183,7 @@ int mt7615_mcu_rdd_cmd(struct mt7615_dev *dev, u8 rx_sel, u8 val); int mt7615_dfs_start_radar_detector(struct mt7615_dev *dev); int mt7615_dfs_stop_radar_detector(struct mt7615_dev *dev); +int mt7615_mcu_rdd_send_pattern(struct mt7615_dev *dev); static inline void mt7615_dfs_check_channel(struct mt7615_dev *dev) { @@ -240,4 +247,6 @@ void mt7615_txp_skb_unmap(struct mt76_dev *dev, int mt76_dfs_start_rdd(struct mt7615_dev *dev, bool force); int mt7615_dfs_init_radar_detector(struct mt7615_dev *dev); +int mt7615_init_debugfs(struct mt7615_dev *dev); + #endif -- 2.34.1