Commit 5517f78b authored by Ryder Lee's avatar Ryder Lee Committed by Felix Fietkau
Browse files

mt76: mt7915: enable firmware module debug support 



This allows host driver to get useful information of some important modules.

Signed-off-by: default avatarRyder Lee <ryder.lee@mediatek.com>
Signed-off-by: default avatarChih-Min Chen <chih-min.chen@mediatek.com>
Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
parent 32add88f

drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c

+36 −0
Original line number Diff line number Diff line
@@ -74,6 +74,41 @@ mt7915_dbdc_get(void *data, u64 *val) 
DEFINE_DEBUGFS_ATTRIBUTE(fops_dbdc, mt7915_dbdc_get,

			 mt7915_dbdc_set, "%lld\n");



static int

mt7915_fw_debug_set(void *data, u64 val)

{

	struct mt7915_dev *dev = data;

	enum {

		DEBUG_TXCMD = 62,

		DEBUG_CMD_RPT_TX,

		DEBUG_CMD_RPT_TRIG,

		DEBUG_SPL,

		DEBUG_RPT_RX,

	} debug;



	dev->fw_debug = !!val;



	mt7915_mcu_fw_log_2_host(dev, dev->fw_debug ? 2 : 0);



	for (debug = DEBUG_TXCMD; debug <= DEBUG_RPT_RX; debug++)

		mt7915_mcu_fw_dbg_ctrl(dev, debug, dev->fw_debug);



	return 0;

}



static int

mt7915_fw_debug_get(void *data, u64 *val)

{

	struct mt7915_dev *dev = data;



	*val = dev->fw_debug;



	return 0;

}



DEFINE_DEBUGFS_ATTRIBUTE(fops_fw_debug, mt7915_fw_debug_get,

			 mt7915_fw_debug_set, "%lld\n");



static void

mt7915_ampdu_stat_read_phy(struct mt7915_phy *phy,

			   struct seq_file *file)
@@ -290,6 +325,7 @@ int mt7915_init_debugfs(struct mt7915_dev *dev) 
				    mt7915_queues_acq);

	debugfs_create_file("tx_stats", 0400, dir, dev, &fops_tx_stats);

	debugfs_create_file("dbdc", 0600, dir, dev, &fops_dbdc);

	debugfs_create_file("fw_debug", 0600, dir, dev, &fops_fw_debug);

	debugfs_create_u32("dfs_hw_pattern", 0400, dir, &dev->hw_pattern);

	/* test knobs */

	debugfs_create_file("radar_trigger", 0200, dir, dev,

drivers/net/wireless/mediatek/mt76/mt7915/mcu.c

+58 −0
Original line number Diff line number Diff line
@@ -502,6 +502,28 @@ mt7915_mcu_tx_rate_report(struct mt7915_dev *dev, struct sk_buff *skb) 
	}

}



static void

mt7915_mcu_rx_log_message(struct mt7915_dev *dev, struct sk_buff *skb)

{

	struct mt7915_mcu_rxd *rxd = (struct mt7915_mcu_rxd *)skb->data;

	const char *data = (char *)&rxd[1];

	const char *type;



	switch (rxd->s2d_index) {

	case 0:

		type = "WM";

		break;

	case 2:

		type = "WA";

		break;

	default:

		type = "unknown";

		break;

	}



	wiphy_info(mt76_hw(dev)->wiphy, "%s: %s", type, data);

}



static void

mt7915_mcu_rx_ext_event(struct mt7915_dev *dev, struct sk_buff *skb)

{
@@ -519,6 +541,9 @@ mt7915_mcu_rx_ext_event(struct mt7915_dev *dev, struct sk_buff *skb) 
	case MCU_EXT_EVENT_RATE_REPORT:

		mt7915_mcu_tx_rate_report(dev, skb);

		break;

	case MCU_EXT_EVENT_FW_LOG_2_HOST:

		mt7915_mcu_rx_log_message(dev, skb);

		break;

	default:

		break;

	}
@@ -544,6 +569,7 @@ void mt7915_mcu_rx_event(struct mt7915_dev *dev, struct sk_buff *skb) 
	struct mt7915_mcu_rxd *rxd = (struct mt7915_mcu_rxd *)skb->data;



	if (rxd->ext_eid == MCU_EXT_EVENT_THERMAL_PROTECT ||

	    rxd->ext_eid == MCU_EXT_EVENT_FW_LOG_2_HOST ||

	    rxd->ext_eid == MCU_EXT_EVENT_ASSERT_DUMP ||

	    rxd->ext_eid == MCU_EXT_EVENT_PS_SYNC ||

	    rxd->ext_eid == MCU_EXT_EVENT_RATE_REPORT ||
@@ -2265,6 +2291,37 @@ static int mt7915_load_firmware(struct mt7915_dev *dev) 
	return 0;

}



int mt7915_mcu_fw_log_2_host(struct mt7915_dev *dev, u8 ctrl)

{

	struct {

		u8 ctrl_val;

		u8 pad[3];

	} data = {

		.ctrl_val = ctrl

	};



	return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_FW_LOG_2_HOST,

				   &data, sizeof(data), true);

}



int mt7915_mcu_fw_dbg_ctrl(struct mt7915_dev *dev, u32 module, u8 level)

{

	struct {

		u8 ver;

		u8 pad;

		u16 len;

		u8 level;

		u8 rsv[3];

		u32 module_idx;

	} data = {

		.module_idx = cpu_to_le32(module),

		.level = level,

	};



	return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_FW_DBG_CTRL,

				   &data, sizeof(data), false);

}



int mt7915_mcu_init(struct mt7915_dev *dev)

{

	static const struct mt76_mcu_ops mt7915_mcu_ops = {
@@ -2286,6 +2343,7 @@ int mt7915_mcu_init(struct mt7915_dev *dev) 
		return ret;



	set_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state);

	mt7915_mcu_fw_log_2_host(dev, 0);



	return 0;

}

drivers/net/wireless/mediatek/mt76/mt7915/mcu.h

+3 −0
Original line number Diff line number Diff line
@@ -38,6 +38,7 @@ enum { 
/* ext event table */

enum {

	MCU_EXT_EVENT_PS_SYNC = 0x5,

	MCU_EXT_EVENT_FW_LOG_2_HOST = 0x13,

	MCU_EXT_EVENT_THERMAL_PROTECT = 0x22,

	MCU_EXT_EVENT_ASSERT_DUMP = 0x23,

	MCU_EXT_EVENT_RDD_REPORT = 0x3a,
@@ -192,6 +193,7 @@ enum { 
	MCU_EXT_CMD_EFUSE_ACCESS = 0x01,

	MCU_EXT_CMD_PM_STATE_CTRL = 0x07,

	MCU_EXT_CMD_CHANNEL_SWITCH = 0x08,

	MCU_EXT_CMD_FW_LOG_2_HOST = 0x13,

	MCU_EXT_CMD_EFUSE_BUFFER_MODE = 0x21,

	MCU_EXT_CMD_STA_REC_UPDATE = 0x25,

	MCU_EXT_CMD_BSS_INFO_UPDATE = 0x26,
@@ -207,6 +209,7 @@ enum { 
	MCU_EXT_CMD_SET_SER_TRIGGER = 0x81,

	MCU_EXT_CMD_SCS_CTRL = 0x82,

	MCU_EXT_CMD_RATE_CTRL = 0x87,

	MCU_EXT_CMD_FW_DBG_CTRL = 0x95,

	MCU_EXT_CMD_SET_RDD_TH = 0x9d,

};

drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h

+2 −0
Original line number Diff line number Diff line
@@ -324,6 +324,8 @@ int mt7915_mcu_get_rate_info(struct mt7915_dev *dev, u32 cmd, u16 wlan_idx); 
int mt7915_mcu_get_temperature(struct mt7915_dev *dev, int index);

int mt7915_mcu_rdd_cmd(struct mt7915_dev *dev, enum mt7915_rdd_cmd cmd,

		       u8 index, u8 rx_sel, u8 val);

int mt7915_mcu_fw_log_2_host(struct mt7915_dev *dev, u8 ctrl);

int mt7915_mcu_fw_dbg_ctrl(struct mt7915_dev *dev, u32 module, u8 level);

void mt7915_mcu_rx_event(struct mt7915_dev *dev, struct sk_buff *skb);

void mt7915_mcu_exit(struct mt7915_dev *dev);

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