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path: root/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c
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Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c')
-rw-r--r--drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c201
1 files changed, 164 insertions, 37 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c
index e9cab1165f38..cab6e02e1f8c 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c
@@ -44,35 +44,113 @@ mt7915_implicit_txbf_get(void *data, u64 *val)
DEFINE_DEBUGFS_ATTRIBUTE(fops_implicit_txbf, mt7915_implicit_txbf_get,
mt7915_implicit_txbf_set, "%lld\n");
-/* test knob of system layer 1/2 error recovery */
-static int mt7915_ser_trigger_set(void *data, u64 val)
+/* test knob of system error recovery */
+static ssize_t
+mt7915_fw_ser_set(struct file *file, const char __user *user_buf,
+ size_t count, loff_t *ppos)
{
- enum {
- SER_SET_RECOVER_L1 = 1,
- SER_SET_RECOVER_L2,
- SER_ENABLE = 2,
- SER_RECOVER
- };
- struct mt7915_dev *dev = data;
+ struct mt7915_phy *phy = file->private_data;
+ struct mt7915_dev *dev = phy->dev;
+ bool ext_phy = phy != &dev->phy;
+ char buf[16];
int ret = 0;
+ u16 val;
+
+ if (count >= sizeof(buf))
+ return -EINVAL;
+
+ if (copy_from_user(buf, user_buf, count))
+ return -EFAULT;
+
+ if (count && buf[count - 1] == '\n')
+ buf[count - 1] = '\0';
+ else
+ buf[count] = '\0';
+
+ if (kstrtou16(buf, 0, &val))
+ return -EINVAL;
switch (val) {
+ case SER_QUERY:
+ /* grab firmware SER stats */
+ ret = mt7915_mcu_set_ser(dev, 0, 0, ext_phy);
+ break;
case SER_SET_RECOVER_L1:
case SER_SET_RECOVER_L2:
- ret = mt7915_mcu_set_ser(dev, SER_ENABLE, BIT(val), 0);
+ case SER_SET_RECOVER_L3_RX_ABORT:
+ case SER_SET_RECOVER_L3_TX_ABORT:
+ case SER_SET_RECOVER_L3_TX_DISABLE:
+ case SER_SET_RECOVER_L3_BF:
+ ret = mt7915_mcu_set_ser(dev, SER_ENABLE, BIT(val), ext_phy);
if (ret)
return ret;
- return mt7915_mcu_set_ser(dev, SER_RECOVER, val, 0);
+ ret = mt7915_mcu_set_ser(dev, SER_RECOVER, val, ext_phy);
+ break;
default:
break;
}
+ return ret ? ret : count;
+}
+
+static ssize_t
+mt7915_fw_ser_get(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct mt7915_phy *phy = file->private_data;
+ struct mt7915_dev *dev = phy->dev;
+ char *buff;
+ int desc = 0;
+ ssize_t ret;
+ static const size_t bufsz = 400;
+
+ buff = kmalloc(bufsz, GFP_KERNEL);
+ if (!buff)
+ return -ENOMEM;
+
+ desc += scnprintf(buff + desc, bufsz - desc,
+ "::E R , SER_STATUS = 0x%08x\n",
+ mt76_rr(dev, MT_SWDEF_SER_STATS));
+ desc += scnprintf(buff + desc, bufsz - desc,
+ "::E R , SER_PLE_ERR = 0x%08x\n",
+ mt76_rr(dev, MT_SWDEF_PLE_STATS));
+ desc += scnprintf(buff + desc, bufsz - desc,
+ "::E R , SER_PLE_ERR_1 = 0x%08x\n",
+ mt76_rr(dev, MT_SWDEF_PLE1_STATS));
+ desc += scnprintf(buff + desc, bufsz - desc,
+ "::E R , SER_PLE_ERR_AMSDU = 0x%08x\n",
+ mt76_rr(dev, MT_SWDEF_PLE_AMSDU_STATS));
+ desc += scnprintf(buff + desc, bufsz - desc,
+ "::E R , SER_PSE_ERR = 0x%08x\n",
+ mt76_rr(dev, MT_SWDEF_PSE_STATS));
+ desc += scnprintf(buff + desc, bufsz - desc,
+ "::E R , SER_PSE_ERR_1 = 0x%08x\n",
+ mt76_rr(dev, MT_SWDEF_PSE1_STATS));
+ desc += scnprintf(buff + desc, bufsz - desc,
+ "::E R , SER_LMAC_WISR6_B0 = 0x%08x\n",
+ mt76_rr(dev, MT_SWDEF_LAMC_WISR6_BN0_STATS));
+ desc += scnprintf(buff + desc, bufsz - desc,
+ "::E R , SER_LMAC_WISR6_B1 = 0x%08x\n",
+ mt76_rr(dev, MT_SWDEF_LAMC_WISR6_BN1_STATS));
+ desc += scnprintf(buff + desc, bufsz - desc,
+ "::E R , SER_LMAC_WISR7_B0 = 0x%08x\n",
+ mt76_rr(dev, MT_SWDEF_LAMC_WISR7_BN0_STATS));
+ desc += scnprintf(buff + desc, bufsz - desc,
+ "::E R , SER_LMAC_WISR7_B1 = 0x%08x\n",
+ mt76_rr(dev, MT_SWDEF_LAMC_WISR7_BN1_STATS));
+
+ ret = simple_read_from_buffer(user_buf, count, ppos, buff, desc);
+ kfree(buff);
return ret;
}
-DEFINE_DEBUGFS_ATTRIBUTE(fops_ser_trigger, NULL,
- mt7915_ser_trigger_set, "%lld\n");
+static const struct file_operations mt7915_fw_ser_ops = {
+ .write = mt7915_fw_ser_set,
+ .read = mt7915_fw_ser_get,
+ .open = simple_open,
+ .llseek = default_llseek,
+};
static int
mt7915_radar_trigger(void *data, u64 val)
@@ -95,7 +173,7 @@ mt7915_muru_debug_set(void *data, u64 val)
struct mt7915_dev *dev = data;
dev->muru_debug = val;
- mt7915_mcu_muru_debug_set(dev, data);
+ mt7915_mcu_muru_debug_set(dev, dev->muru_debug);
return 0;
}
@@ -369,20 +447,20 @@ mt7915_fw_debug_wm_set(void *data, u64 val)
bool tx, rx, en;
int ret;
- dev->fw_debug_wm = val ? MCU_FW_LOG_TO_HOST : 0;
+ dev->fw.debug_wm = val ? MCU_FW_LOG_TO_HOST : 0;
- if (dev->fw_debug_bin)
+ if (dev->fw.debug_bin)
val = 16;
else
- val = dev->fw_debug_wm;
+ val = dev->fw.debug_wm;
- tx = dev->fw_debug_wm || (dev->fw_debug_bin & BIT(1));
- rx = dev->fw_debug_wm || (dev->fw_debug_bin & BIT(2));
- en = dev->fw_debug_wm || (dev->fw_debug_bin & BIT(0));
+ tx = dev->fw.debug_wm || (dev->fw.debug_bin & BIT(1));
+ rx = dev->fw.debug_wm || (dev->fw.debug_bin & BIT(2));
+ en = dev->fw.debug_wm || (dev->fw.debug_bin & BIT(0));
ret = mt7915_mcu_fw_log_2_host(dev, MCU_FW_LOG_WM, val);
if (ret)
- return ret;
+ goto out;
for (debug = DEBUG_TXCMD; debug <= DEBUG_RPT_RX; debug++) {
if (debug == DEBUG_RPT_RX)
@@ -392,16 +470,20 @@ mt7915_fw_debug_wm_set(void *data, u64 val)
ret = mt7915_mcu_fw_dbg_ctrl(dev, debug, val);
if (ret)
- return ret;
+ goto out;
}
/* WM CPU info record control */
mt76_clear(dev, MT_CPU_UTIL_CTRL, BIT(0));
- mt76_wr(dev, MT_DIC_CMD_REG_CMD, BIT(2) | BIT(13) | !dev->fw_debug_wm);
+ mt76_wr(dev, MT_DIC_CMD_REG_CMD, BIT(2) | BIT(13) | !dev->fw.debug_wm);
mt76_wr(dev, MT_MCU_WM_CIRQ_IRQ_MASK_CLR_ADDR, BIT(5));
mt76_wr(dev, MT_MCU_WM_CIRQ_IRQ_SOFT_ADDR, BIT(5));
- return 0;
+out:
+ if (ret)
+ dev->fw.debug_wm = 0;
+
+ return ret;
}
static int
@@ -409,7 +491,7 @@ mt7915_fw_debug_wm_get(void *data, u64 *val)
{
struct mt7915_dev *dev = data;
- *val = dev->fw_debug_wm;
+ *val = dev->fw.debug_wm;
return 0;
}
@@ -423,14 +505,19 @@ mt7915_fw_debug_wa_set(void *data, u64 val)
struct mt7915_dev *dev = data;
int ret;
- dev->fw_debug_wa = val ? MCU_FW_LOG_TO_HOST : 0;
+ dev->fw.debug_wa = val ? MCU_FW_LOG_TO_HOST : 0;
- ret = mt7915_mcu_fw_log_2_host(dev, MCU_FW_LOG_WA, dev->fw_debug_wa);
+ ret = mt7915_mcu_fw_log_2_host(dev, MCU_FW_LOG_WA, dev->fw.debug_wa);
if (ret)
- return ret;
+ goto out;
- return mt7915_mcu_wa_cmd(dev, MCU_WA_PARAM_CMD(SET), MCU_WA_PARAM_PDMA_RX,
- !!dev->fw_debug_wa, 0);
+ ret = mt7915_mcu_wa_cmd(dev, MCU_WA_PARAM_CMD(SET),
+ MCU_WA_PARAM_PDMA_RX, !!dev->fw.debug_wa, 0);
+out:
+ if (ret)
+ dev->fw.debug_wa = 0;
+
+ return ret;
}
static int
@@ -438,7 +525,7 @@ mt7915_fw_debug_wa_get(void *data, u64 *val)
{
struct mt7915_dev *dev = data;
- *val = dev->fw_debug_wa;
+ *val = dev->fw.debug_wa;
return 0;
}
@@ -485,11 +572,11 @@ mt7915_fw_debug_bin_set(void *data, u64 val)
if (!dev->relay_fwlog)
return -ENOMEM;
- dev->fw_debug_bin = val;
+ dev->fw.debug_bin = val;
relay_reset(dev->relay_fwlog);
- return mt7915_fw_debug_wm_set(dev, dev->fw_debug_wm);
+ return mt7915_fw_debug_wm_set(dev, dev->fw.debug_wm);
}
static int
@@ -497,7 +584,7 @@ mt7915_fw_debug_bin_get(void *data, u64 *val)
{
struct mt7915_dev *dev = data;
- *val = dev->fw_debug_bin;
+ *val = dev->fw.debug_bin;
return 0;
}
@@ -510,7 +597,13 @@ mt7915_fw_util_wm_show(struct seq_file *file, void *data)
{
struct mt7915_dev *dev = file->private;
- if (dev->fw_debug_wm) {
+ seq_printf(file, "Program counter: 0x%x\n", mt76_rr(dev, MT_WM_MCU_PC));
+ seq_printf(file, "Exception state: 0x%x\n",
+ is_mt7915(&dev->mt76) ?
+ (u32)mt76_get_field(dev, MT_FW_EXCEPTION, GENMASK(15, 8)) :
+ (u32)mt76_get_field(dev, MT_FW_EXCEPTION, GENMASK(7, 0)));
+
+ if (dev->fw.debug_wm) {
seq_printf(file, "Busy: %u%% Peak busy: %u%%\n",
mt76_rr(dev, MT_CPU_UTIL_BUSY_PCT),
mt76_rr(dev, MT_CPU_UTIL_PEAK_BUSY_PCT));
@@ -529,7 +622,9 @@ mt7915_fw_util_wa_show(struct seq_file *file, void *data)
{
struct mt7915_dev *dev = file->private;
- if (dev->fw_debug_wa)
+ seq_printf(file, "Program counter: 0x%x\n", mt76_rr(dev, MT_WA_MCU_PC));
+
+ if (dev->fw.debug_wa)
return mt7915_mcu_wa_cmd(dev, MCU_WA_PARAM_CMD(QUERY),
MCU_WA_PARAM_CPU_UTIL, 0, 0);
@@ -867,6 +962,36 @@ mt7915_twt_stats(struct seq_file *s, void *data)
return 0;
}
+/* The index of RF registers use the generic regidx, combined with two parts:
+ * WF selection [31:28] and offset [27:0].
+ */
+static int
+mt7915_rf_regval_get(void *data, u64 *val)
+{
+ struct mt7915_dev *dev = data;
+ u32 regval;
+ int ret;
+
+ ret = mt7915_mcu_rf_regval(dev, dev->mt76.debugfs_reg, &regval, false);
+ if (ret)
+ return ret;
+
+ *val = le32_to_cpu(regval);
+
+ return 0;
+}
+
+static int
+mt7915_rf_regval_set(void *data, u64 val)
+{
+ struct mt7915_dev *dev = data;
+
+ return mt7915_mcu_rf_regval(dev, dev->mt76.debugfs_reg, (u32 *)&val, true);
+}
+
+DEFINE_DEBUGFS_ATTRIBUTE(fops_rf_regval, mt7915_rf_regval_get,
+ mt7915_rf_regval_set, "0x%08llx\n");
+
int mt7915_init_debugfs(struct mt7915_phy *phy)
{
struct mt7915_dev *dev = phy->dev;
@@ -884,6 +1009,7 @@ int mt7915_init_debugfs(struct mt7915_phy *phy)
debugfs_create_file("xmit-queues", 0400, dir, phy,
&mt7915_xmit_queues_fops);
debugfs_create_file("tx_stats", 0400, dir, phy, &mt7915_tx_stats_fops);
+ debugfs_create_file("fw_ser", 0600, dir, phy, &mt7915_fw_ser_ops);
debugfs_create_file("fw_debug_wm", 0600, dir, dev, &fops_fw_debug_wm);
debugfs_create_file("fw_debug_wa", 0600, dir, dev, &fops_fw_debug_wa);
debugfs_create_file("fw_debug_bin", 0600, dir, dev, &fops_fw_debug_bin);
@@ -897,7 +1023,8 @@ int mt7915_init_debugfs(struct mt7915_phy *phy)
&mt7915_rate_txpower_fops);
debugfs_create_devm_seqfile(dev->mt76.dev, "twt_stats", dir,
mt7915_twt_stats);
- debugfs_create_file("ser_trigger", 0200, dir, dev, &fops_ser_trigger);
+ debugfs_create_file("rf_regval", 0600, dir, dev, &fops_rf_regval);
+
if (!dev->dbdc_support || phy->band_idx) {
debugfs_create_u32("dfs_hw_pattern", 0400, dir,
&dev->hw_pattern);
generated by cgit (git 2.34.1) at 2025-05-31 14:04:31 +0000