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mt76: mt7915: enable firmware module debug support 

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

Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Chih-Min Chen <chih-min.chen@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Ryder Lee 2020-04-25 03:32:38 +08:00 committed by Felix Fietkau
parent 32add88f64
commit 5517f78b00
4 changed files with 99 additions and 0 deletions
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36
drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c
View File

@ -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,

58
drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
View File

@ -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;
}

3
drivers/net/wireless/mediatek/mt76/mt7915/mcu.h
View File

@ -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,
};

2
drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
View File

@ -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);