[PATCH v5 14/15] USB: typec: Add status trace for tps25750

From: Abdel Alkuor
Date: Sun Sep 17 2023 - 11:33:02 EST


From: Abdel Alkuor <abdelalkuor@xxxxxxxxxx>

tps25750 status register is a subset of tps6598x status register, hence
a trace for tps25750 status register is added.

Signed-off-by: Abdel Alkuor <abdelalkuor@xxxxxxxxxx>
---
drivers/usb/typec/tipd/core.c | 10 +++++----
drivers/usb/typec/tipd/trace.h | 37 ++++++++++++++++++++++++++++++++++
2 files changed, 43 insertions(+), 4 deletions(-)

diff --git a/drivers/usb/typec/tipd/core.c b/drivers/usb/typec/tipd/core.c
index dd3c76b57aaa..326c23bfa8e6 100644
--- a/drivers/usb/typec/tipd/core.c
+++ b/drivers/usb/typec/tipd/core.c
@@ -453,7 +453,11 @@ static bool tps6598x_read_status(struct tps6598x *tps, u32 *status)
dev_err(tps->dev, "%s: failed to read status\n", __func__);
return false;
}
- trace_tps6598x_status(*status);
+
+ if (tps->is_tps25750)
+ trace_tps25750_status(*status);
+ else
+ trace_tps6598x_status(*status);

return true;
}
@@ -1188,10 +1192,8 @@ static int tps6598x_probe(struct i2c_client *client)
if (ret)
goto err_reset_controller;

- ret = tps6598x_read32(tps, TPS_REG_STATUS, &status);
- if (ret < 0)
+ if (!tps6598x_read_status(tps, &status))
goto err_clear_mask;
- trace_tps6598x_status(status);

/*
* This fwnode has a "compatible" property, but is never populated as a
diff --git a/drivers/usb/typec/tipd/trace.h b/drivers/usb/typec/tipd/trace.h
index 739b0a2a867d..afa0875a9de5 100644
--- a/drivers/usb/typec/tipd/trace.h
+++ b/drivers/usb/typec/tipd/trace.h
@@ -91,6 +91,14 @@
TPS_STATUS_USB_HOST_PRESENT_MASK | \
TPS_STATUS_LEGACY_MASK))

+#define TPS25750_STATUS_FLAGS_MASK (GENMASK(31, 0) ^ (TPS_STATUS_CONN_STATE_MASK | \
+ GENMASK(19, 7) | \
+ TPS_STATUS_VBUS_STATUS_MASK | \
+ TPS_STATUS_USB_HOST_PRESENT_MASK | \
+ TPS_STATUS_LEGACY_MASK | \
+ BIT(26) | \
+ GENMASK(31, 28)))
+
#define show_status_conn_state(status) \
__print_symbolic(TPS_STATUS_CONN_STATE((status)), \
{ TPS_STATUS_CONN_STATE_CONN_WITH_R_A, "conn-Ra" }, \
@@ -148,6 +156,14 @@
{ TPS_STATUS_HIGH_VOLAGE_WARNING, "HIGH_VOLAGE_WARNING" }, \
{ TPS_STATUS_HIGH_LOW_VOLTAGE_WARNING, "HIGH_LOW_VOLTAGE_WARNING" })

+#define show_tps25750_status_flags(flags) \
+ __print_flags((flags & TPS25750_STATUS_FLAGS_MASK), "|", \
+ { TPS_STATUS_PLUG_PRESENT, "PLUG_PRESENT" }, \
+ { TPS_STATUS_PLUG_UPSIDE_DOWN, "UPSIDE_DOWN" }, \
+ { TPS_STATUS_PORTROLE, "PORTROLE" }, \
+ { TPS_STATUS_DATAROLE, "DATAROLE" }, \
+ { TPS_STATUS_BIST, "BIST" })
+
#define show_power_status_source_sink(power_status) \
__print_symbolic(TPS_POWER_STATUS_SOURCESINK(power_status), \
{ 1, "sink" }, \
@@ -292,6 +308,27 @@ TRACE_EVENT(tps6598x_status,
)
);

+TRACE_EVENT(tps25750_status,
+ TP_PROTO(u32 status),
+ TP_ARGS(status),
+
+ TP_STRUCT__entry(
+ __field(u32, status)
+ ),
+
+ TP_fast_assign(
+ __entry->status = status;
+ ),
+
+ TP_printk("conn: %s, vbus: %s, usb-host: %s, legacy: %s, flags: %s",
+ show_status_conn_state(__entry->status),
+ show_status_vbus_status(__entry->status),
+ show_status_usb_host_present(__entry->status),
+ show_status_legacy(__entry->status),
+ show_tps25750_status_flags(__entry->status)
+ )
+);
+
TRACE_EVENT(tps6598x_power_status,
TP_PROTO(u16 power_status),
TP_ARGS(power_status),
--
2.34.1