* [PATCH v2 1/4] usb: typec: tps6598x: Add trace event for IRQ events
2021-02-12 12:04 [PATCH v2 0/4] usb: typec: tps6598x: Add IRQ flag and register tracing Guido Günther
@ 2021-02-12 12:04 ` Guido Günther
2021-02-12 12:04 ` [PATCH v2 2/4] usb: typec: tps6598x: Add trace event for status register Guido Günther
` (2 subsequent siblings)
3 siblings, 0 replies; 12+ messages in thread
From: Guido Günther @ 2021-02-12 12:04 UTC (permalink / raw)
To: Heikki Krogerus, Greg Kroah-Hartman, linux-kernel, linux-usb
Allow to get irq event information via the tracing framework. This
allows to inspect USB-C negotiation at runtime.
Signed-off-by: Guido Günther <agx@sigxcpu.org>
---
drivers/usb/typec/Makefile | 3 +
drivers/usb/typec/tps6598x.c | 9 ++-
drivers/usb/typec/tps6598x.h | 64 ++++++++++++++++++++
drivers/usb/typec/tps6598x_trace.h | 97 ++++++++++++++++++++++++++++++
4 files changed, 170 insertions(+), 3 deletions(-)
create mode 100644 drivers/usb/typec/tps6598x.h
create mode 100644 drivers/usb/typec/tps6598x_trace.h
diff --git a/drivers/usb/typec/Makefile b/drivers/usb/typec/Makefile
index d03b48c4b864..27aa12129190 100644
--- a/drivers/usb/typec/Makefile
+++ b/drivers/usb/typec/Makefile
@@ -1,4 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
+# define_trace.h needs to know how to find our header
+CFLAGS_tps6598x.o := -I$(src)
+
obj-$(CONFIG_TYPEC) += typec.o
typec-y := class.o mux.o bus.o
obj-$(CONFIG_TYPEC) += altmodes/
diff --git a/drivers/usb/typec/tps6598x.c b/drivers/usb/typec/tps6598x.c
index 6e6ef6317523..bc34b35e909f 100644
--- a/drivers/usb/typec/tps6598x.c
+++ b/drivers/usb/typec/tps6598x.c
@@ -6,6 +6,8 @@
* Author: Heikki Krogerus <heikki.krogerus@linux.intel.com>
*/
+#include "tps6598x.h"
+
#include <linux/i2c.h>
#include <linux/acpi.h>
#include <linux/module.h>
@@ -15,6 +17,9 @@
#include <linux/usb/typec.h>
#include <linux/usb/role.h>
+#define CREATE_TRACE_POINTS
+#include "tps6598x_trace.h"
+
/* Register offsets */
#define TPS_REG_VID 0x00
#define TPS_REG_MODE 0x03
@@ -32,9 +37,6 @@
#define TPS_REG_POWER_STATUS 0x3f
#define TPS_REG_RX_IDENTITY_SOP 0x48
-/* TPS_REG_INT_* bits */
-#define TPS_REG_INT_PLUG_EVENT BIT(3)
-
/* TPS_REG_STATUS bits */
#define TPS_STATUS_PLUG_PRESENT BIT(0)
#define TPS_STATUS_ORIENTATION BIT(4)
@@ -428,6 +430,7 @@ static irqreturn_t tps6598x_interrupt(int irq, void *data)
dev_err(tps->dev, "%s: failed to read events\n", __func__);
goto err_unlock;
}
+ trace_tps6598x_irq(event1, event2);
ret = tps6598x_read32(tps, TPS_REG_STATUS, &status);
if (ret) {
diff --git a/drivers/usb/typec/tps6598x.h b/drivers/usb/typec/tps6598x.h
new file mode 100644
index 000000000000..b83b8a6a1504
--- /dev/null
+++ b/drivers/usb/typec/tps6598x.h
@@ -0,0 +1,64 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Driver for TI TPS6598x USB Power Delivery controller family
+ *
+ * Copyright (C) 2017, Intel Corporation
+ * Author: Heikki Krogerus <heikki.krogerus@linux.intel.com>
+ */
+
+#include <linux/bits.h>
+#include <linux/bitfield.h>
+
+#ifndef __TPS6598X_H__
+#define __TPS6598X_H__
+
+
+/* TPS_REG_INT_* bits */
+#define TPS_REG_INT_USER_VID_ALT_MODE_OTHER_VDM BIT_ULL(27+32)
+#define TPS_REG_INT_USER_VID_ALT_MODE_ATTN_VDM BIT_ULL(26+32)
+#define TPS_REG_INT_USER_VID_ALT_MODE_EXIT BIT_ULL(25+32)
+#define TPS_REG_INT_USER_VID_ALT_MODE_ENTERED BIT_ULL(24+32)
+#define TPS_REG_INT_EXIT_MODES_COMPLETE BIT_ULL(20+32)
+#define TPS_REG_INT_DISCOVER_MODES_COMPLETE BIT_ULL(19+32)
+#define TPS_REG_INT_VDM_MSG_SENT BIT_ULL(18+32)
+#define TPS_REG_INT_VDM_ENTERED_MODE BIT_ULL(17+32)
+#define TPS_REG_INT_ERROR_UNABLE_TO_SOURCE BIT_ULL(14+32)
+#define TPS_REG_INT_SRC_TRANSITION BIT_ULL(10+32)
+#define TPS_REG_INT_ERROR_DISCHARGE_FAILED BIT_ULL(9+32)
+#define TPS_REG_INT_ERROR_MESSAGE_DATA BIT_ULL(7+32)
+#define TPS_REG_INT_ERROR_PROTOCOL_ERROR BIT_ULL(6+32)
+#define TPS_REG_INT_ERROR_MISSING_GET_CAP_MESSAGE BIT_ULL(4+32)
+#define TPS_REG_INT_ERROR_POWER_EVENT_OCCURRED BIT_ULL(3+32)
+#define TPS_REG_INT_ERROR_CAN_PROVIDE_PWR_LATER BIT_ULL(2+32)
+#define TPS_REG_INT_ERROR_CANNOT_PROVIDE_PWR BIT_ULL(1+32)
+#define TPS_REG_INT_ERROR_DEVICE_INCOMPATIBLE BIT_ULL(0+32)
+#define TPS_REG_INT_CMD2_COMPLETE BIT(31)
+#define TPS_REG_INT_CMD1_COMPLETE BIT(30)
+#define TPS_REG_INT_ADC_HIGH_THRESHOLD BIT(29)
+#define TPS_REG_INT_ADC_LOW_THRESHOLD BIT(28)
+#define TPS_REG_INT_PD_STATUS_UPDATE BIT(27)
+#define TPS_REG_INT_STATUS_UPDATE BIT(26)
+#define TPS_REG_INT_DATA_STATUS_UPDATE BIT(25)
+#define TPS_REG_INT_POWER_STATUS_UPDATE BIT(24)
+#define TPS_REG_INT_PP_SWITCH_CHANGED BIT(23)
+#define TPS_REG_INT_HIGH_VOLTAGE_WARNING BIT(22)
+#define TPS_REG_INT_USB_HOST_PRESENT_NO_LONGER BIT(21)
+#define TPS_REG_INT_USB_HOST_PRESENT BIT(20)
+#define TPS_REG_INT_GOTO_MIN_RECEIVED BIT(19)
+#define TPS_REG_INT_PR_SWAP_REQUESTED BIT(17)
+#define TPS_REG_INT_SINK_CAP_MESSAGE_READY BIT(15)
+#define TPS_REG_INT_SOURCE_CAP_MESSAGE_READY BIT(14)
+#define TPS_REG_INT_NEW_CONTRACT_AS_PROVIDER BIT(13)
+#define TPS_REG_INT_NEW_CONTRACT_AS_CONSUMER BIT(12)
+#define TPS_REG_INT_VDM_RECEIVED BIT(11)
+#define TPS_REG_INT_ATTENTION_RECEIVED BIT(10)
+#define TPS_REG_INT_OVERCURRENT BIT(9)
+#define TPS_REG_INT_BIST BIT(8)
+#define TPS_REG_INT_RDO_RECEIVED_FROM_SINK BIT(7)
+#define TPS_REG_INT_DR_SWAP_COMPLETE BIT(5)
+#define TPS_REG_INT_PR_SWAP_COMPLETE BIT(4)
+#define TPS_REG_INT_PLUG_EVENT BIT(3)
+#define TPS_REG_INT_HARD_RESET BIT(1)
+#define TPS_REG_INT_PD_SOFT_RESET BIT(0)
+
+#endif /* __TPS6598X_H__ */
diff --git a/drivers/usb/typec/tps6598x_trace.h b/drivers/usb/typec/tps6598x_trace.h
new file mode 100644
index 000000000000..4ec96e3b2c3e
--- /dev/null
+++ b/drivers/usb/typec/tps6598x_trace.h
@@ -0,0 +1,97 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Driver for TI TPS6598x USB Power Delivery controller family
+ *
+ * Copyright (C) 2020 Purism SPC
+ * Author: Guido Günther <agx@sigxcpu.org>
+ */
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM tps6598x
+
+#if !defined(_TPS6598x_TRACE_H_) || defined(TRACE_HEADER_MULTI_READ)
+#define _TPS6598X_TRACE_H_
+
+#include "tps6598x.h"
+
+#include <linux/stringify.h>
+#include <linux/types.h>
+#include <linux/tracepoint.h>
+
+#define show_irq_flags(flags) \
+ __print_flags_u64(flags, "|", \
+ { TPS_REG_INT_PD_SOFT_RESET, "PD_SOFT_RESET" }, \
+ { TPS_REG_INT_HARD_RESET, "HARD_RESET" }, \
+ { TPS_REG_INT_PLUG_EVENT, "PLUG_EVENT" }, \
+ { TPS_REG_INT_PR_SWAP_COMPLETE, "PR_SWAP_COMPLETE" }, \
+ { TPS_REG_INT_DR_SWAP_COMPLETE, "DR_SWAP_COMPLETE" }, \
+ { TPS_REG_INT_RDO_RECEIVED_FROM_SINK, "RDO_RECEIVED_FROM_SINK" }, \
+ { TPS_REG_INT_BIST, "BIST" }, \
+ { TPS_REG_INT_OVERCURRENT, "OVERCURRENT" }, \
+ { TPS_REG_INT_ATTENTION_RECEIVED, "ATTENTION_RECEIVED" }, \
+ { TPS_REG_INT_VDM_RECEIVED, "VDM_RECEIVED" }, \
+ { TPS_REG_INT_NEW_CONTRACT_AS_CONSUMER, "NEW_CONTRACT_AS_CONSUMER" }, \
+ { TPS_REG_INT_NEW_CONTRACT_AS_PROVIDER, "NEW_CONTRACT_AS_PROVIDER" }, \
+ { TPS_REG_INT_SOURCE_CAP_MESSAGE_READY, "SOURCE_CAP_MESSAGE_READY" }, \
+ { TPS_REG_INT_SINK_CAP_MESSAGE_READY, "SINK_CAP_MESSAGE_READY" }, \
+ { TPS_REG_INT_PR_SWAP_REQUESTED, "PR_SWAP_REQUESTED" }, \
+ { TPS_REG_INT_GOTO_MIN_RECEIVED, "GOTO_MIN_RECEIVED" }, \
+ { TPS_REG_INT_USB_HOST_PRESENT, "USB_HOST_PRESENT" }, \
+ { TPS_REG_INT_USB_HOST_PRESENT_NO_LONGER, "USB_HOST_PRESENT_NO_LONGER" }, \
+ { TPS_REG_INT_HIGH_VOLTAGE_WARNING, "HIGH_VOLTAGE_WARNING" }, \
+ { TPS_REG_INT_PP_SWITCH_CHANGED, "PP_SWITCH_CHANGED" }, \
+ { TPS_REG_INT_POWER_STATUS_UPDATE, "POWER_STATUS_UPDATE" }, \
+ { TPS_REG_INT_DATA_STATUS_UPDATE, "DATA_STATUS_UPDATE" }, \
+ { TPS_REG_INT_STATUS_UPDATE, "STATUS_UPDATE" }, \
+ { TPS_REG_INT_PD_STATUS_UPDATE, "PD_STATUS_UPDATE" }, \
+ { TPS_REG_INT_ADC_LOW_THRESHOLD, "ADC_LOW_THRESHOLD" }, \
+ { TPS_REG_INT_ADC_HIGH_THRESHOLD, "ADC_HIGH_THRESHOLD" }, \
+ { TPS_REG_INT_CMD1_COMPLETE, "CMD1_COMPLETE" }, \
+ { TPS_REG_INT_CMD2_COMPLETE, "CMD2_COMPLETE" }, \
+ { TPS_REG_INT_ERROR_DEVICE_INCOMPATIBLE, "ERROR_DEVICE_INCOMPATIBLE" }, \
+ { TPS_REG_INT_ERROR_CANNOT_PROVIDE_PWR, "ERROR_CANNOT_PROVIDE_PWR" }, \
+ { TPS_REG_INT_ERROR_CAN_PROVIDE_PWR_LATER, "ERROR_CAN_PROVIDE_PWR_LATER" }, \
+ { TPS_REG_INT_ERROR_POWER_EVENT_OCCURRED, "ERROR_POWER_EVENT_OCCURRED" }, \
+ { TPS_REG_INT_ERROR_MISSING_GET_CAP_MESSAGE, "ERROR_MISSING_GET_CAP_MESSAGE" }, \
+ { TPS_REG_INT_ERROR_PROTOCOL_ERROR, "ERROR_PROTOCOL_ERROR" }, \
+ { TPS_REG_INT_ERROR_MESSAGE_DATA, "ERROR_MESSAGE_DATA" }, \
+ { TPS_REG_INT_ERROR_DISCHARGE_FAILED, "ERROR_DISCHARGE_FAILED" }, \
+ { TPS_REG_INT_SRC_TRANSITION, "SRC_TRANSITION" }, \
+ { TPS_REG_INT_ERROR_UNABLE_TO_SOURCE, "ERROR_UNABLE_TO_SOURCE" }, \
+ { TPS_REG_INT_VDM_ENTERED_MODE, "VDM_ENTERED_MODE" }, \
+ { TPS_REG_INT_VDM_MSG_SENT, "VDM_MSG_SENT" }, \
+ { TPS_REG_INT_DISCOVER_MODES_COMPLETE, "DISCOVER_MODES_COMPLETE" }, \
+ { TPS_REG_INT_EXIT_MODES_COMPLETE, "EXIT_MODES_COMPLETE" }, \
+ { TPS_REG_INT_USER_VID_ALT_MODE_ENTERED, "USER_VID_ALT_MODE_ENTERED" }, \
+ { TPS_REG_INT_USER_VID_ALT_MODE_EXIT, "USER_VID_ALT_MODE_EXIT" }, \
+ { TPS_REG_INT_USER_VID_ALT_MODE_ATTN_VDM, "USER_VID_ALT_MODE_ATTN_VDM" }, \
+ { TPS_REG_INT_USER_VID_ALT_MODE_OTHER_VDM, "USER_VID_ALT_MODE_OTHER_VDM" })
+
+TRACE_EVENT(tps6598x_irq,
+ TP_PROTO(u64 event1,
+ u64 event2),
+ TP_ARGS(event1, event2),
+
+ TP_STRUCT__entry(
+ __field(u64, event1)
+ __field(u64, event2)
+ ),
+
+ TP_fast_assign(
+ __entry->event1 = event1;
+ __entry->event2 = event2;
+ ),
+
+ TP_printk("event1=%s, event2=%s",
+ show_irq_flags(__entry->event1),
+ show_irq_flags(__entry->event2))
+);
+
+#endif /* _TPS6598X_TRACE_H_ */
+
+/* This part must be outside protection */
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_FILE tps6598x_trace
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH .
+#include <trace/define_trace.h>
--
2.30.0
^ permalink raw reply related [flat|nested] 12+ messages in thread* [PATCH v2 2/4] usb: typec: tps6598x: Add trace event for status register
2021-02-12 12:04 [PATCH v2 0/4] usb: typec: tps6598x: Add IRQ flag and register tracing Guido Günther
2021-02-12 12:04 ` [PATCH v2 1/4] usb: typec: tps6598x: Add trace event for IRQ events Guido Günther
@ 2021-02-12 12:04 ` Guido Günther
2021-02-13 3:12 ` kernel test robot
2021-02-12 12:04 ` [PATCH v2 3/4] usb: typec: tps6598x: Add trace event for power " Guido Günther
2021-02-12 12:04 ` [PATCH v2 4/4] usb: typec: tps6598x: Add trace event for data status Guido Günther
3 siblings, 1 reply; 12+ messages in thread
From: Guido Günther @ 2021-02-12 12:04 UTC (permalink / raw)
To: Heikki Krogerus, Greg Kroah-Hartman, linux-kernel, linux-usb
This allows to trace status information which helps to debug problems
with role switching, etc.
Signed-off-by: Guido Günther <agx@sigxcpu.org>
---
drivers/usb/typec/tps6598x.c | 26 ++++-----
drivers/usb/typec/tps6598x.h | 66 +++++++++++++++++++++
drivers/usb/typec/tps6598x_trace.h | 94 ++++++++++++++++++++++++++++++
3 files changed, 171 insertions(+), 15 deletions(-)
diff --git a/drivers/usb/typec/tps6598x.c b/drivers/usb/typec/tps6598x.c
index bc34b35e909f..559aa175f948 100644
--- a/drivers/usb/typec/tps6598x.c
+++ b/drivers/usb/typec/tps6598x.c
@@ -37,13 +37,6 @@
#define TPS_REG_POWER_STATUS 0x3f
#define TPS_REG_RX_IDENTITY_SOP 0x48
-/* TPS_REG_STATUS bits */
-#define TPS_STATUS_PLUG_PRESENT BIT(0)
-#define TPS_STATUS_ORIENTATION BIT(4)
-#define TPS_STATUS_PORTROLE(s) (!!((s) & BIT(5)))
-#define TPS_STATUS_DATAROLE(s) (!!((s) & BIT(6)))
-#define TPS_STATUS_VCONN(s) (!!((s) & BIT(7)))
-
/* TPS_REG_SYSTEM_CONF bits */
#define TPS_SYSCONF_PORTINFO(c) ((c) & 7)
@@ -258,9 +251,9 @@ static int tps6598x_connect(struct tps6598x *tps, u32 status)
}
typec_set_pwr_opmode(tps->port, mode);
- typec_set_pwr_role(tps->port, TPS_STATUS_PORTROLE(status));
- typec_set_vconn_role(tps->port, TPS_STATUS_VCONN(status));
- tps6598x_set_data_role(tps, TPS_STATUS_DATAROLE(status), true);
+ typec_set_pwr_role(tps->port, TPS_STATUS_TO_TYPEC_PORTROLE(status));
+ typec_set_vconn_role(tps->port, TPS_STATUS_TO_TYPEC_VCONN(status));
+ tps6598x_set_data_role(tps, TPS_STATUS_TO_TYPEC_DATAROLE(status), true);
tps->partner = typec_register_partner(tps->port, &desc);
if (IS_ERR(tps->partner))
@@ -280,9 +273,10 @@ static void tps6598x_disconnect(struct tps6598x *tps, u32 status)
typec_unregister_partner(tps->partner);
tps->partner = NULL;
typec_set_pwr_opmode(tps->port, TYPEC_PWR_MODE_USB);
- typec_set_pwr_role(tps->port, TPS_STATUS_PORTROLE(status));
- typec_set_vconn_role(tps->port, TPS_STATUS_VCONN(status));
- tps6598x_set_data_role(tps, TPS_STATUS_DATAROLE(status), false);
+ typec_set_pwr_role(tps->port, TPS_STATUS_TO_TYPEC_PORTROLE(status));
+ typec_set_vconn_role(tps->port, TPS_STATUS_TO_TYPEC_VCONN(status));
+ tps6598x_set_data_role(tps, TPS_STATUS_TO_TYPEC_DATAROLE(status), false);
+
power_supply_changed(tps->psy);
}
@@ -366,7 +360,7 @@ static int tps6598x_dr_set(struct typec_port *port, enum typec_data_role role)
if (ret)
goto out_unlock;
- if (role != TPS_STATUS_DATAROLE(status)) {
+ if (role != TPS_STATUS_TO_TYPEC_DATAROLE(status)) {
ret = -EPROTO;
goto out_unlock;
}
@@ -396,7 +390,7 @@ static int tps6598x_pr_set(struct typec_port *port, enum typec_role role)
if (ret)
goto out_unlock;
- if (role != TPS_STATUS_PORTROLE(status)) {
+ if (role != TPS_STATUS_TO_TYPEC_PORTROLE(status)) {
ret = -EPROTO;
goto out_unlock;
}
@@ -437,6 +431,7 @@ static irqreturn_t tps6598x_interrupt(int irq, void *data)
dev_err(tps->dev, "%s: failed to read status\n", __func__);
goto err_clear_ints;
}
+ trace_tps6598x_status(status);
/* Handle plug insert or removal */
if ((event1 | event2) & TPS_REG_INT_PLUG_EVENT) {
@@ -612,6 +607,7 @@ static int tps6598x_probe(struct i2c_client *client)
ret = tps6598x_read32(tps, TPS_REG_STATUS, &status);
if (ret < 0)
return ret;
+ trace_tps6598x_status(status);
ret = tps6598x_read32(tps, TPS_REG_SYSTEM_CONF, &conf);
if (ret < 0)
diff --git a/drivers/usb/typec/tps6598x.h b/drivers/usb/typec/tps6598x.h
index b83b8a6a1504..866fd1deb471 100644
--- a/drivers/usb/typec/tps6598x.h
+++ b/drivers/usb/typec/tps6598x.h
@@ -12,6 +12,72 @@
#ifndef __TPS6598X_H__
#define __TPS6598X_H__
+/* TPS_REG_STATUS bits */
+#define TPS_STATUS_PLUG_PRESENT BIT(0)
+#define TPS_STATUS_PLUG_UPSIDE_DOWN BIT(4)
+#define TPS_STATUS_PORTROLE BIT(5)
+#define TPS_STATUS_TO_TYPEC_PORTROLE(s) (!!((s) & TPS_STATUS_PORTROLE))
+#define TPS_STATUS_DATAROLE BIT(6)
+#define TPS_STATUS_TO_TYPEC_DATAROLE(s) (!!((s) & TPS_STATUS_DATAROLE))
+#define TPS_STATUS_VCONN BIT(7)
+#define TPS_STATUS_TO_TYPEC_VCONN(s) (!!((s) & TPS_STATUS_VCONN))
+#define TPS_STATUS_OVERCURRENT BIT(16)
+#define TPS_STATUS_GOTO_MIN_ACTIVE BIT(26)
+#define TPS_STATUS_BIST BIT(27)
+#define TPS_STATUS_HIGH_VOLAGE_WARNING BIT(28)
+#define TPS_STATUS_HIGH_LOW_VOLTAGE_WARNING BIT(29)
+
+#define TPS_STATUS_CONN_STATE_MASK GENMASK(3, 1)
+#define TPS_STATUS_CONN_STATE(x) FIELD_GET(TPS_STATUS_CONN_STATE_MASK, (x))
+#define TPS_STATUS_PP_5V0_SWITCH_MASK GENMASK(9, 8)
+#define TPS_STATUS_PP_5V0_SWITCH(x) FIELD_GET(TPS_STATUS_PP_5V0_SWITCH_MASK, (x))
+#define TPS_STATUS_PP_HV_SWITCH_MASK GENMASK(11, 10)
+#define TPS_STATUS_PP_HV_SWITCH(x) FIELD_GET(TPS_STATUS_PP_HV_SWITCH_MASK, (x))
+#define TPS_STATUS_PP_EXT_SWITCH_MASK GENMASK(13, 12)
+#define TPS_STATUS_PP_EXT_SWITCH(x) FIELD_GET(TPS_STATUS_PP_EXT_SWITCH_MASK, (x))
+#define TPS_STATUS_PP_CABLE_SWITCH_MASK GENMASK(15, 14)
+#define TPS_STATUS_PP_CABLE_SWITCH(x) FIELD_GET(TPS_STATUS_PP_CABLE_SWITCH_MASK, (x))
+#define TPS_STATUS_POWER_SOURCE_MASK GENMASK(19, 18)
+#define TPS_STATUS_POWER_SOURCE(x) FIELD_GET(TPS_STATUS_POWER_SOURCE_MASK, (x))
+#define TPS_STATUS_VBUS_STATUS_MASK GENMASK(21, 20)
+#define TPS_STATUS_VBUS_STATUS(x) FIELD_GET(TPS_STATUS_VBUS_STATUS_MASK, (x))
+#define TPS_STATUS_USB_HOST_PRESENT_MASK GENMASK(23, 22)
+#define TPS_STATUS_USB_HOST_PRESENT(x) FIELD_GET(TPS_STATUS_USB_HOST_PRESENT_MASK, (x))
+#define TPS_STATUS_LEGACY_MASK GENMASK(25, 24)
+#define TPS_STATUS_LEGACY(x) FIELD_GET(TPS_STATUS_LEGACY_MASK, (x))
+
+#define TPS_STATUS_CONN_STATE_NO_CONN 0
+#define TPS_STATUS_CONN_STATE_DISABLED 1
+#define TPS_STATUS_CONN_STATE_AUDIO_CONN 2
+#define TPS_STATUS_CONN_STATE_DEBUG_CONN 3
+#define TPS_STATUS_CONN_STATE_NO_CONN_R_A 4
+#define TPS_STATUS_CONN_STATE_RESERVED 5
+#define TPS_STATUS_CONN_STATE_CONN_NO_R_A 6
+#define TPS_STATUS_CONN_STATE_CONN_WITH_R_A 7
+
+#define TPS_STATUS_PP_SWITCH_STATE_DISABLED 0
+#define TPS_STATUS_PP_SWITCH_STATE_FAULT 1
+#define TPS_STATUS_PP_SWITCH_STATE_OUT 2
+#define TPS_STATUS_PP_SWITCH_STATE_IN 3
+
+#define TPS_STATUS_POWER_SOURCE_UNKNOWN 0
+#define TPS_STATUS_POWER_SOURCE_VIN_3P3 1
+#define TPS_STATUS_POWER_SOURCE_DEAD_BAT 2
+#define TPS_STATUS_POWER_SOURCE_VBUS 3
+
+#define TPS_STATUS_VBUS_STATUS_VSAFE0V 0
+#define TPS_STATUS_VBUS_STATUS_VSAFE5V 1
+#define TPS_STATUS_VBUS_STATUS_PD 2
+#define TPS_STATUS_VBUS_STATUS_FAULT 3
+
+#define TPS_STATUS_USB_HOST_PRESENT_NO 0
+#define TPS_STATUS_USB_HOST_PRESENT_PD_NO_USB 1
+#define TPS_STATUS_USB_HOST_PRESENT_NO_PD 2
+#define TPS_STATUS_USB_HOST_PRESENT_PD_USB 3
+
+#define TPS_STATUS_LEGACY_NO 0
+#define TPS_STATUS_LEGACY_SINK 1
+#define TPS_STATUS_LEGACY_SOURCE 2
/* TPS_REG_INT_* bits */
#define TPS_REG_INT_USER_VID_ALT_MODE_OTHER_VDM BIT_ULL(27+32)
diff --git a/drivers/usb/typec/tps6598x_trace.h b/drivers/usb/typec/tps6598x_trace.h
index 4ec96e3b2c3e..e0677b9c5c53 100644
--- a/drivers/usb/typec/tps6598x_trace.h
+++ b/drivers/usb/typec/tps6598x_trace.h
@@ -67,6 +67,73 @@
{ TPS_REG_INT_USER_VID_ALT_MODE_ATTN_VDM, "USER_VID_ALT_MODE_ATTN_VDM" }, \
{ TPS_REG_INT_USER_VID_ALT_MODE_OTHER_VDM, "USER_VID_ALT_MODE_OTHER_VDM" })
+#define TPS6598X_STATUS_FLAGS_MASK (GENMASK(31, 0) ^ (TPS_STATUS_CONN_STATE_MASK | \
+ TPS_STATUS_PP_5V0_SWITCH_MASK | \
+ TPS_STATUS_PP_HV_SWITCH_MASK | \
+ TPS_STATUS_PP_EXT_SWITCH_MASK | \
+ TPS_STATUS_PP_CABLE_SWITCH_MASK | \
+ TPS_STATUS_POWER_SOURCE_MASK | \
+ TPS_STATUS_VBUS_STATUS_MASK | \
+ TPS_STATUS_USB_HOST_PRESENT_MASK | \
+ TPS_STATUS_LEGACY_MASK))
+
+#define show_status_conn_state(status) \
+ __print_symbolic(TPS_STATUS_CONN_STATE((status)), \
+ { TPS_STATUS_CONN_STATE_CONN_WITH_R_A, "conn-Ra" }, \
+ { TPS_STATUS_CONN_STATE_CONN_NO_R_A, "conn-no-Ra" }, \
+ { TPS_STATUS_CONN_STATE_NO_CONN_R_A, "no-conn-Ra" }, \
+ { TPS_STATUS_CONN_STATE_DEBUG_CONN, "debug" }, \
+ { TPS_STATUS_CONN_STATE_AUDIO_CONN, "audio" }, \
+ { TPS_STATUS_CONN_STATE_DISABLED, "disabled" }, \
+ { TPS_STATUS_CONN_STATE_NO_CONN, "no-conn" })
+
+#define show_status_pp_switch_state(status) \
+ __print_symbolic(status, \
+ { TPS_STATUS_PP_SWITCH_STATE_IN, "in" }, \
+ { TPS_STATUS_PP_SWITCH_STATE_OUT, "out" }, \
+ { TPS_STATUS_PP_SWITCH_STATE_FAULT, "fault" }, \
+ { TPS_STATUS_PP_SWITCH_STATE_DISABLED, "off" })
+
+#define show_status_power_sources(status) \
+ __print_symbolic(TPS_STATUS_POWER_SOURCE(status), \
+ { TPS_STATUS_POWER_SOURCE_VBUS, "vbus" }, \
+ { TPS_STATUS_POWER_SOURCE_VIN_3P3, "vin-3p3" }, \
+ { TPS_STATUS_POWER_SOURCE_DEAD_BAT, "dead-battery" }, \
+ { TPS_STATUS_POWER_SOURCE_UNKNOWN, "unknown" })
+
+#define show_status_vbus_status(status) \
+ __print_symbolic(TPS_STATUS_VBUS_STATUS(status), \
+ { TPS_STATUS_VBUS_STATUS_VSAFE0V, "vSafe0V" }, \
+ { TPS_STATUS_VBUS_STATUS_VSAFE5V, "vSafe5V" }, \
+ { TPS_STATUS_VBUS_STATUS_PD, "pd" }, \
+ { TPS_STATUS_VBUS_STATUS_FAULT, "fault" })
+
+#define show_status_usb_host_present(status) \
+ __print_symbolic(TPS_STATUS_USB_HOST_PRESENT(status), \
+ { TPS_STATUS_USB_HOST_PRESENT_PD_USB, "pd-usb" }, \
+ { TPS_STATUS_USB_HOST_PRESENT_NO_PD, "no-pd" }, \
+ { TPS_STATUS_USB_HOST_PRESENT_PD_NO_USB, "pd-no-usb" }, \
+ { TPS_STATUS_USB_HOST_PRESENT_NO, "no" })
+
+#define show_status_legacy(status) \
+ __print_symbolic(TPS_STATUS_LEGACY(status), \
+ { TPS_STATUS_LEGACY_SOURCE, "source" }, \
+ { TPS_STATUS_LEGACY_SINK, "sink" }, \
+ { TPS_STATUS_LEGACY_NO, "no" })
+
+#define show_status_flags(flags) \
+ __print_flags((flags & TPS6598X_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_VCONN, "VCONN" }, \
+ { TPS_STATUS_OVERCURRENT, "OVERCURRENT" }, \
+ { TPS_STATUS_GOTO_MIN_ACTIVE, "GOTO_MIN_ACTIVE" }, \
+ { TPS_STATUS_BIST, "BIST" }, \
+ { TPS_STATUS_HIGH_VOLAGE_WARNING, "HIGH_VOLAGE_WARNING" }, \
+ { TPS_STATUS_HIGH_LOW_VOLTAGE_WARNING, "HIGH_LOW_VOLTAGE_WARNING" })
+
TRACE_EVENT(tps6598x_irq,
TP_PROTO(u64 event1,
u64 event2),
@@ -87,6 +154,33 @@ TRACE_EVENT(tps6598x_irq,
show_irq_flags(__entry->event2))
);
+TRACE_EVENT(tps6598x_status,
+ TP_PROTO(u32 status),
+ TP_ARGS(status),
+
+ TP_STRUCT__entry(
+ __field(u32, status)
+ ),
+
+ TP_fast_assign(
+ __entry->status = status;
+ ),
+
+ TP_printk("conn: %s, pp_5v0: %s, pp_hv: %s, pp_ext: %s, pp_cable: %s, "
+ "pwr-src: %s, vbus: %s, usb-host: %s, legacy: %s, flags: %s",
+ show_status_conn_state(__entry->status),
+ show_status_pp_switch_state(TPS_STATUS_PP_5V0_SWITCH(__entry->status)),
+ show_status_pp_switch_state(TPS_STATUS_PP_HV_SWITCH(__entry->status)),
+ show_status_pp_switch_state(TPS_STATUS_PP_EXT_SWITCH(__entry->status)),
+ show_status_pp_switch_state(TPS_STATUS_PP_CABLE_SWITCH(__entry->status)),
+ show_status_power_sources(__entry->status),
+ show_status_vbus_status(__entry->status),
+ show_status_usb_host_present(__entry->status),
+ show_status_legacy(__entry->status),
+ show_status_flags(__entry->status)
+ )
+);
+
#endif /* _TPS6598X_TRACE_H_ */
/* This part must be outside protection */
--
2.30.0
^ permalink raw reply related [flat|nested] 12+ messages in thread* Re: [PATCH v2 2/4] usb: typec: tps6598x: Add trace event for status register
2021-02-12 12:04 ` [PATCH v2 2/4] usb: typec: tps6598x: Add trace event for status register Guido Günther
@ 2021-02-13 3:12 ` kernel test robot
2021-02-14 17:06 ` Guido Günther
0 siblings, 1 reply; 12+ messages in thread
From: kernel test robot @ 2021-02-13 3:12 UTC (permalink / raw)
To: Guido Günther, Heikki Krogerus, Greg Kroah-Hartman,
linux-kernel, linux-usb
Cc: kbuild-all
[-- Attachment #1: Type: text/plain, Size: 4310 bytes --]
Hi "Guido,
I love your patch! Perhaps something to improve:
[auto build test WARNING on usb/usb-testing]
[also build test WARNING on v5.11-rc7 next-20210211]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/Guido-G-nther/usb-typec-tps6598x-Add-IRQ-flag-and-register-tracing/20210212-200855
base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing
config: openrisc-randconfig-s032-20210209 (attached as .config)
compiler: or1k-linux-gcc (GCC) 9.3.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.3-215-g0fb77bb6-dirty
# https://github.com/0day-ci/linux/commit/ba45e1d5e1fd25b6aed8724106e6c7d5adef7a20
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Guido-G-nther/usb-typec-tps6598x-Add-IRQ-flag-and-register-tracing/20210212-200855
git checkout ba45e1d5e1fd25b6aed8724106e6c7d5adef7a20
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=openrisc
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <rong.a.chen@intel.com>
"sparse warnings: (new ones prefixed by >>)"
drivers/usb/typec/tps6598x.c: note: in included file (through include/trace/trace_events.h, include/trace/define_trace.h, drivers/usb/typec/tps6598x_trace.h):
>> drivers/usb/typec/./tps6598x_trace.h:157:1: sparse: sparse: too long token expansion
vim +157 drivers/usb/typec/./tps6598x_trace.h
c90c0282e4ce33 Guido Günther 2021-02-12 156
ba45e1d5e1fd25 Guido Günther 2021-02-12 @157 TRACE_EVENT(tps6598x_status,
ba45e1d5e1fd25 Guido Günther 2021-02-12 158 TP_PROTO(u32 status),
ba45e1d5e1fd25 Guido Günther 2021-02-12 159 TP_ARGS(status),
ba45e1d5e1fd25 Guido Günther 2021-02-12 160
ba45e1d5e1fd25 Guido Günther 2021-02-12 161 TP_STRUCT__entry(
ba45e1d5e1fd25 Guido Günther 2021-02-12 162 __field(u32, status)
ba45e1d5e1fd25 Guido Günther 2021-02-12 163 ),
ba45e1d5e1fd25 Guido Günther 2021-02-12 164
ba45e1d5e1fd25 Guido Günther 2021-02-12 165 TP_fast_assign(
ba45e1d5e1fd25 Guido Günther 2021-02-12 166 __entry->status = status;
ba45e1d5e1fd25 Guido Günther 2021-02-12 167 ),
ba45e1d5e1fd25 Guido Günther 2021-02-12 168
ba45e1d5e1fd25 Guido Günther 2021-02-12 169 TP_printk("conn: %s, pp_5v0: %s, pp_hv: %s, pp_ext: %s, pp_cable: %s, "
ba45e1d5e1fd25 Guido Günther 2021-02-12 170 "pwr-src: %s, vbus: %s, usb-host: %s, legacy: %s, flags: %s",
ba45e1d5e1fd25 Guido Günther 2021-02-12 171 show_status_conn_state(__entry->status),
ba45e1d5e1fd25 Guido Günther 2021-02-12 172 show_status_pp_switch_state(TPS_STATUS_PP_5V0_SWITCH(__entry->status)),
ba45e1d5e1fd25 Guido Günther 2021-02-12 173 show_status_pp_switch_state(TPS_STATUS_PP_HV_SWITCH(__entry->status)),
ba45e1d5e1fd25 Guido Günther 2021-02-12 174 show_status_pp_switch_state(TPS_STATUS_PP_EXT_SWITCH(__entry->status)),
ba45e1d5e1fd25 Guido Günther 2021-02-12 175 show_status_pp_switch_state(TPS_STATUS_PP_CABLE_SWITCH(__entry->status)),
ba45e1d5e1fd25 Guido Günther 2021-02-12 176 show_status_power_sources(__entry->status),
ba45e1d5e1fd25 Guido Günther 2021-02-12 177 show_status_vbus_status(__entry->status),
ba45e1d5e1fd25 Guido Günther 2021-02-12 178 show_status_usb_host_present(__entry->status),
ba45e1d5e1fd25 Guido Günther 2021-02-12 179 show_status_legacy(__entry->status),
ba45e1d5e1fd25 Guido Günther 2021-02-12 180 show_status_flags(__entry->status)
ba45e1d5e1fd25 Guido Günther 2021-02-12 181 )
ba45e1d5e1fd25 Guido Günther 2021-02-12 182 );
ba45e1d5e1fd25 Guido Günther 2021-02-12 183
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 35193 bytes --]
[-- Attachment #3: Type: text/plain, Size: 149 bytes --]
_______________________________________________
kbuild mailing list -- kbuild@lists.01.org
To unsubscribe send an email to kbuild-leave@lists.01.org
^ permalink raw reply [flat|nested] 12+ messages in thread* Re: [PATCH v2 2/4] usb: typec: tps6598x: Add trace event for status register
2021-02-13 3:12 ` kernel test robot
@ 2021-02-14 17:06 ` Guido Günther
[not found] ` <6a8eb07f-16d5-f461-cf0b-6c4aaf93b014@ramsayjones.plus.com>
0 siblings, 1 reply; 12+ messages in thread
From: Guido Günther @ 2021-02-14 17:06 UTC (permalink / raw)
To: kernel test robot
Cc: Heikki Krogerus, Greg Kroah-Hartman, linux-kernel, linux-usb,
kbuild-all, linux-sparse
Hi ,
On Sat, Feb 13, 2021 at 11:12:37AM +0800, kernel test robot wrote:
> Hi "Guido,
>
> I love your patch! Perhaps something to improve:
>
> [auto build test WARNING on usb/usb-testing]
> [also build test WARNING on v5.11-rc7 next-20210211]
> [If your patch is applied to the wrong git tree, kindly drop us a note.
> And when submitting patch, we suggest to use '--base' as documented in
> https://git-scm.com/docs/git-format-patch]
>
> url: https://github.com/0day-ci/linux/commits/Guido-G-nther/usb-typec-tps6598x-Add-IRQ-flag-and-register-tracing/20210212-200855
> base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing
> config: openrisc-randconfig-s032-20210209 (attached as .config)
> compiler: or1k-linux-gcc (GCC) 9.3.0
> reproduce:
> wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
> chmod +x ~/bin/make.cross
> # apt-get install sparse
> # sparse version: v0.6.3-215-g0fb77bb6-dirty
> # https://github.com/0day-ci/linux/commit/ba45e1d5e1fd25b6aed8724106e6c7d5adef7a20
> git remote add linux-review https://github.com/0day-ci/linux
> git fetch --no-tags linux-review Guido-G-nther/usb-typec-tps6598x-Add-IRQ-flag-and-register-tracing/20210212-200855
> git checkout ba45e1d5e1fd25b6aed8724106e6c7d5adef7a20
> # save the attached .config to linux build tree
> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=openrisc
>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <rong.a.chen@intel.com>
>
>
> "sparse warnings: (new ones prefixed by >>)"
> drivers/usb/typec/tps6598x.c: note: in included file (through include/trace/trace_events.h, include/trace/define_trace.h, drivers/usb/typec/tps6598x_trace.h):
> >> drivers/usb/typec/./tps6598x_trace.h:157:1: sparse: sparse: too long token expansion
>
I looked around but didn't find any hints how to fix this. Any pointers
I missed (added the sparse list to cc:)?
Cheers,
-- Guido
> vim +157 drivers/usb/typec/./tps6598x_trace.h
>
> c90c0282e4ce33 Guido Günther 2021-02-12 156
> ba45e1d5e1fd25 Guido Günther 2021-02-12 @157 TRACE_EVENT(tps6598x_status,
> ba45e1d5e1fd25 Guido Günther 2021-02-12 158 TP_PROTO(u32 status),
> ba45e1d5e1fd25 Guido Günther 2021-02-12 159 TP_ARGS(status),
> ba45e1d5e1fd25 Guido Günther 2021-02-12 160
> ba45e1d5e1fd25 Guido Günther 2021-02-12 161 TP_STRUCT__entry(
> ba45e1d5e1fd25 Guido Günther 2021-02-12 162 __field(u32, status)
> ba45e1d5e1fd25 Guido Günther 2021-02-12 163 ),
> ba45e1d5e1fd25 Guido Günther 2021-02-12 164
> ba45e1d5e1fd25 Guido Günther 2021-02-12 165 TP_fast_assign(
> ba45e1d5e1fd25 Guido Günther 2021-02-12 166 __entry->status = status;
> ba45e1d5e1fd25 Guido Günther 2021-02-12 167 ),
> ba45e1d5e1fd25 Guido Günther 2021-02-12 168
> ba45e1d5e1fd25 Guido Günther 2021-02-12 169 TP_printk("conn: %s, pp_5v0: %s, pp_hv: %s, pp_ext: %s, pp_cable: %s, "
> ba45e1d5e1fd25 Guido Günther 2021-02-12 170 "pwr-src: %s, vbus: %s, usb-host: %s, legacy: %s, flags: %s",
> ba45e1d5e1fd25 Guido Günther 2021-02-12 171 show_status_conn_state(__entry->status),
> ba45e1d5e1fd25 Guido Günther 2021-02-12 172 show_status_pp_switch_state(TPS_STATUS_PP_5V0_SWITCH(__entry->status)),
> ba45e1d5e1fd25 Guido Günther 2021-02-12 173 show_status_pp_switch_state(TPS_STATUS_PP_HV_SWITCH(__entry->status)),
> ba45e1d5e1fd25 Guido Günther 2021-02-12 174 show_status_pp_switch_state(TPS_STATUS_PP_EXT_SWITCH(__entry->status)),
> ba45e1d5e1fd25 Guido Günther 2021-02-12 175 show_status_pp_switch_state(TPS_STATUS_PP_CABLE_SWITCH(__entry->status)),
> ba45e1d5e1fd25 Guido Günther 2021-02-12 176 show_status_power_sources(__entry->status),
> ba45e1d5e1fd25 Guido Günther 2021-02-12 177 show_status_vbus_status(__entry->status),
> ba45e1d5e1fd25 Guido Günther 2021-02-12 178 show_status_usb_host_present(__entry->status),
> ba45e1d5e1fd25 Guido Günther 2021-02-12 179 show_status_legacy(__entry->status),
> ba45e1d5e1fd25 Guido Günther 2021-02-12 180 show_status_flags(__entry->status)
> ba45e1d5e1fd25 Guido Günther 2021-02-12 181 )
> ba45e1d5e1fd25 Guido Günther 2021-02-12 182 );
> ba45e1d5e1fd25 Guido Günther 2021-02-12 183
>
> ---
> 0-DAY CI Kernel Test Service, Intel Corporation
> https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
> _______________________________________________
> kbuild mailing list -- kbuild@lists.01.org
> To unsubscribe send an email to kbuild-leave@lists.01.org
^ permalink raw reply [flat|nested] 12+ messages in thread
* [PATCH v2 3/4] usb: typec: tps6598x: Add trace event for power status register
2021-02-12 12:04 [PATCH v2 0/4] usb: typec: tps6598x: Add IRQ flag and register tracing Guido Günther
2021-02-12 12:04 ` [PATCH v2 1/4] usb: typec: tps6598x: Add trace event for IRQ events Guido Günther
2021-02-12 12:04 ` [PATCH v2 2/4] usb: typec: tps6598x: Add trace event for status register Guido Günther
@ 2021-02-12 12:04 ` Guido Günther
2021-02-12 12:04 ` [PATCH v2 4/4] usb: typec: tps6598x: Add trace event for data status Guido Günther
3 siblings, 0 replies; 12+ messages in thread
From: Guido Günther @ 2021-02-12 12:04 UTC (permalink / raw)
To: Heikki Krogerus, Greg Kroah-Hartman, linux-kernel, linux-usb
Together with the PD status register this is vital for debugging power
negotiations at runtime.
Signed-off-by: Guido Günther <agx@sigxcpu.org>
---
drivers/usb/typec/tps6598x.c | 19 +++++++++------
drivers/usb/typec/tps6598x.h | 19 +++++++++++++++
drivers/usb/typec/tps6598x_trace.h | 38 ++++++++++++++++++++++++++++++
3 files changed, 69 insertions(+), 7 deletions(-)
diff --git a/drivers/usb/typec/tps6598x.c b/drivers/usb/typec/tps6598x.c
index 559aa175f948..3e6ad3ba7fc8 100644
--- a/drivers/usb/typec/tps6598x.c
+++ b/drivers/usb/typec/tps6598x.c
@@ -50,11 +50,6 @@ enum {
TPS_PORTINFO_SOURCE,
};
-/* TPS_REG_POWER_STATUS bits */
-#define TPS_POWER_STATUS_CONNECTION BIT(0)
-#define TPS_POWER_STATUS_SOURCESINK BIT(1)
-#define TPS_POWER_STATUS_PWROPMODE(p) (((p) & GENMASK(3, 2)) >> 2)
-
/* TPS_REG_RX_IDENTITY_SOP */
struct tps6598x_rx_identity_reg {
u8 status;
@@ -414,6 +409,7 @@ static irqreturn_t tps6598x_interrupt(int irq, void *data)
u64 event1;
u64 event2;
u32 status;
+ u16 pwr_status;
int ret;
mutex_lock(&tps->lock);
@@ -433,6 +429,15 @@ static irqreturn_t tps6598x_interrupt(int irq, void *data)
}
trace_tps6598x_status(status);
+ if ((event1 | event2) & TPS_REG_INT_POWER_STATUS_UPDATE) {
+ ret = tps6598x_read16(tps, TPS_REG_POWER_STATUS, &pwr_status);
+ if (ret < 0) {
+ dev_err(tps->dev, "failed to read power status: %d\n", ret);
+ goto err_clear_ints;
+ }
+ trace_tps6598x_power_status(pwr_status);
+ }
+
/* Handle plug insert or removal */
if ((event1 | event2) & TPS_REG_INT_PLUG_EVENT) {
if (status & TPS_STATUS_PLUG_PRESENT) {
@@ -497,8 +502,8 @@ static int tps6598x_psy_get_online(struct tps6598x *tps,
if (ret < 0)
return ret;
- if ((pwr_status & TPS_POWER_STATUS_CONNECTION) &&
- (pwr_status & TPS_POWER_STATUS_SOURCESINK)) {
+ if (TPS_POWER_STATUS_CONNECTION(pwr_status) &&
+ TPS_POWER_STATUS_SOURCESINK(pwr_status)) {
val->intval = 1;
} else {
val->intval = 0;
diff --git a/drivers/usb/typec/tps6598x.h b/drivers/usb/typec/tps6598x.h
index 866fd1deb471..3f6503377678 100644
--- a/drivers/usb/typec/tps6598x.h
+++ b/drivers/usb/typec/tps6598x.h
@@ -127,4 +127,23 @@
#define TPS_REG_INT_HARD_RESET BIT(1)
#define TPS_REG_INT_PD_SOFT_RESET BIT(0)
+/* TPS_REG_POWER_STATUS bits */
+#define TPS_POWER_STATUS_CONNECTION(x) FIELD_GET(BIT(0), (x))
+#define TPS_POWER_STATUS_SOURCESINK(x) FIELD_GET(BIT(1), (x))
+#define TPS_POWER_STATUS_BC12_DET(x) FIELD_GET(BIT(2), (x))
+
+#define TPS_POWER_STATUS_TYPEC_CURRENT_MASK GENMASK(3, 2)
+#define TPS_POWER_STATUS_PWROPMODE(p) FIELD_GET(TPS_POWER_STATUS_TYPEC_CURRENT_MASK, (p))
+#define TPS_POWER_STATUS_BC12_STATUS_MASK GENMASK(6, 5)
+#define TPS_POWER_STATUS_BC12_STATUS(p) FIELD_GET(TPS_POWER_STATUS_BC12_STATUS_MASK, (p))
+
+#define TPS_POWER_STATUS_TYPEC_CURRENT_USB 0
+#define TPS_POWER_STATUS_TYPEC_CURRENT_1A5 1
+#define TPS_POWER_STATUS_TYPEC_CURRENT_3A0 2
+#define TPS_POWER_STATUS_TYPEC_CURRENT_PD 3
+
+#define TPS_POWER_STATUS_BC12_STATUS_SDP 0
+#define TPS_POWER_STATUS_BC12_STATUS_CDP 2
+#define TPS_POWER_STATUS_BC12_STATUS_DCP 3
+
#endif /* __TPS6598X_H__ */
diff --git a/drivers/usb/typec/tps6598x_trace.h b/drivers/usb/typec/tps6598x_trace.h
index e0677b9c5c53..78a5a6ca337b 100644
--- a/drivers/usb/typec/tps6598x_trace.h
+++ b/drivers/usb/typec/tps6598x_trace.h
@@ -134,6 +134,24 @@
{ TPS_STATUS_HIGH_VOLAGE_WARNING, "HIGH_VOLAGE_WARNING" }, \
{ TPS_STATUS_HIGH_LOW_VOLTAGE_WARNING, "HIGH_LOW_VOLTAGE_WARNING" })
+#define show_power_status_source_sink(power_status) \
+ __print_symbolic(TPS_POWER_STATUS_SOURCESINK(power_status), \
+ { 1, "sink" }, \
+ { 0, "source" })
+
+#define show_power_status_typec_status(power_status) \
+ __print_symbolic(TPS_POWER_STATUS_PWROPMODE(power_status), \
+ { TPS_POWER_STATUS_TYPEC_CURRENT_PD, "pd" }, \
+ { TPS_POWER_STATUS_TYPEC_CURRENT_3A0, "3.0A" }, \
+ { TPS_POWER_STATUS_TYPEC_CURRENT_1A5, "1.5A" }, \
+ { TPS_POWER_STATUS_TYPEC_CURRENT_USB, "usb" })
+
+#define show_power_status_bc12_status(power_status) \
+ __print_symbolic(TPS_POWER_STATUS_BC12_STATUS(power_status), \
+ { TPS_POWER_STATUS_BC12_STATUS_DCP, "dcp" }, \
+ { TPS_POWER_STATUS_BC12_STATUS_CDP, "cdp" }, \
+ { TPS_POWER_STATUS_BC12_STATUS_SDP, "sdp" })
+
TRACE_EVENT(tps6598x_irq,
TP_PROTO(u64 event1,
u64 event2),
@@ -181,6 +199,26 @@ TRACE_EVENT(tps6598x_status,
)
);
+TRACE_EVENT(tps6598x_power_status,
+ TP_PROTO(u16 power_status),
+ TP_ARGS(power_status),
+
+ TP_STRUCT__entry(
+ __field(u16, power_status)
+ ),
+
+ TP_fast_assign(
+ __entry->power_status = power_status;
+ ),
+
+ TP_printk("conn: %d, pwr-role: %s, typec: %s, bc: %s",
+ !!TPS_POWER_STATUS_CONNECTION(__entry->power_status),
+ show_power_status_source_sink(__entry->power_status),
+ show_power_status_typec_status(__entry->power_status),
+ show_power_status_bc12_status(__entry->power_status)
+ )
+);
+
#endif /* _TPS6598X_TRACE_H_ */
/* This part must be outside protection */
--
2.30.0
^ permalink raw reply related [flat|nested] 12+ messages in thread* [PATCH v2 4/4] usb: typec: tps6598x: Add trace event for data status
2021-02-12 12:04 [PATCH v2 0/4] usb: typec: tps6598x: Add IRQ flag and register tracing Guido Günther
` (2 preceding siblings ...)
2021-02-12 12:04 ` [PATCH v2 3/4] usb: typec: tps6598x: Add trace event for power " Guido Günther
@ 2021-02-12 12:04 ` Guido Günther
3 siblings, 0 replies; 12+ messages in thread
From: Guido Günther @ 2021-02-12 12:04 UTC (permalink / raw)
To: Heikki Krogerus, Greg Kroah-Hartman, linux-kernel, linux-usb
This is useful to debug DP negotiation and pin assignment even
when the firmware does all the work.
Signed-off-by: Guido Günther <agx@sigxcpu.org>
---
drivers/usb/typec/tps6598x.c | 12 ++++++-
drivers/usb/typec/tps6598x.h | 36 ++++++++++++++++++++
drivers/usb/typec/tps6598x_trace.h | 54 ++++++++++++++++++++++++++++++
3 files changed, 101 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/typec/tps6598x.c b/drivers/usb/typec/tps6598x.c
index 3e6ad3ba7fc8..a4ec8e56c2b9 100644
--- a/drivers/usb/typec/tps6598x.c
+++ b/drivers/usb/typec/tps6598x.c
@@ -36,6 +36,7 @@
#define TPS_REG_CTRL_CONF 0x29
#define TPS_REG_POWER_STATUS 0x3f
#define TPS_REG_RX_IDENTITY_SOP 0x48
+#define TPS_REG_DATA_STATUS 0x5f
/* TPS_REG_SYSTEM_CONF bits */
#define TPS_SYSCONF_PORTINFO(c) ((c) & 7)
@@ -408,7 +409,7 @@ static irqreturn_t tps6598x_interrupt(int irq, void *data)
struct tps6598x *tps = data;
u64 event1;
u64 event2;
- u32 status;
+ u32 status, data_status;
u16 pwr_status;
int ret;
@@ -438,6 +439,15 @@ static irqreturn_t tps6598x_interrupt(int irq, void *data)
trace_tps6598x_power_status(pwr_status);
}
+ if ((event1 | event2) & TPS_REG_INT_DATA_STATUS_UPDATE) {
+ ret = tps6598x_read32(tps, TPS_REG_DATA_STATUS, &data_status);
+ if (ret < 0) {
+ dev_err(tps->dev, "failed to read data status: %d\n", ret);
+ goto err_clear_ints;
+ }
+ trace_tps6598x_data_status(data_status);
+ }
+
/* Handle plug insert or removal */
if ((event1 | event2) & TPS_REG_INT_PLUG_EVENT) {
if (status & TPS_STATUS_PLUG_PRESENT) {
diff --git a/drivers/usb/typec/tps6598x.h b/drivers/usb/typec/tps6598x.h
index 3f6503377678..1afc22ab4dbb 100644
--- a/drivers/usb/typec/tps6598x.h
+++ b/drivers/usb/typec/tps6598x.h
@@ -146,4 +146,40 @@
#define TPS_POWER_STATUS_BC12_STATUS_CDP 2
#define TPS_POWER_STATUS_BC12_STATUS_DCP 3
+/* TPS_REG_DATA_STATUS bits */
+#define TPS_DATA_STATUS_DATA_CONNECTION BIT(0)
+#define TPS_DATA_STATUS_UPSIDE_DOWN BIT(1)
+#define TPS_DATA_STATUS_ACTIVE_CABLE BIT(2)
+#define TPS_DATA_STATUS_USB2_CONNECTION BIT(4)
+#define TPS_DATA_STATUS_USB3_CONNECTION BIT(5)
+#define TPS_DATA_STATUS_USB3_GEN2 BIT(6)
+#define TPS_DATA_STATUS_USB_DATA_ROLE BIT(7)
+#define TPS_DATA_STATUS_DP_CONNECTION BIT(8)
+#define TPS_DATA_STATUS_DP_SINK BIT(9)
+#define TPS_DATA_STATUS_TBT_CONNECTION BIT(16)
+#define TPS_DATA_STATUS_TBT_TYPE BIT(17)
+#define TPS_DATA_STATUS_OPTICAL_CABLE BIT(18)
+#define TPS_DATA_STATUS_ACTIVE_LINK_TRAIN BIT(20)
+#define TPS_DATA_STATUS_FORCE_LSX BIT(23)
+#define TPS_DATA_STATUS_POWER_MISMATCH BIT(24)
+
+#define TPS_DATA_STATUS_DP_PIN_ASSIGNMENT_MASK GENMASK(11, 10)
+#define TPS_DATA_STATUS_DP_PIN_ASSIGNMENT(x) \
+ FIELD_GET(TPS_DATA_STATUS_DP_PIN_ASSIGNMENT_MASK, (x))
+#define TPS_DATA_STATUS_TBT_CABLE_SPEED_MASK GENMASK(27, 25)
+#define TPS_DATA_STATUS_TBT_CABLE_SPEED FIELD_GET(TPS_DATA_STATUS_TBT_CABLE_SPEED_MASK, (x))
+#define TPS_DATA_STATUS_TBT_CABLE_GEN_MASK GENMASK(29, 28)
+#define TPS_DATA_STATUS_TBT_CABLE_GEN FIELD_GET(TPS_DATA_STATUS_TBT_CABLE_GEN_MASK, (x))
+
+/* Map data status to DP spec assignments */
+#define TPS_DATA_STATUS_DP_SPEC_PIN_ASSIGNMENT(x) \
+ ((TPS_DATA_STATUS_DP_PIN_ASSIGNMENT(x) << 1) | \
+ FIELD_GET(TPS_DATA_STATUS_USB3_CONNECTION, (x)))
+#define TPS_DATA_STATUS_DP_SPEC_PIN_ASSIGNMENT_E 0
+#define TPS_DATA_STATUS_DP_SPEC_PIN_ASSIGNMENT_F BIT(0)
+#define TPS_DATA_STATUS_DP_SPEC_PIN_ASSIGNMENT_C BIT(1)
+#define TPS_DATA_STATUS_DP_SPEC_PIN_ASSIGNMENT_D (BIT(1) | BIT(0))
+#define TPS_DATA_STATUS_DP_SPEC_PIN_ASSIGNMENT_A BIT(2)
+#define TPS_DATA_STATUS_DP_SPEC_PIN_ASSIGNMENT_B (BIT(2) | BIT(1))
+
#endif /* __TPS6598X_H__ */
diff --git a/drivers/usb/typec/tps6598x_trace.h b/drivers/usb/typec/tps6598x_trace.h
index 78a5a6ca337b..38bfb2f04e46 100644
--- a/drivers/usb/typec/tps6598x_trace.h
+++ b/drivers/usb/typec/tps6598x_trace.h
@@ -152,6 +152,41 @@
{ TPS_POWER_STATUS_BC12_STATUS_CDP, "cdp" }, \
{ TPS_POWER_STATUS_BC12_STATUS_SDP, "sdp" })
+#define TPS_DATA_STATUS_FLAGS_MASK (GENMASK(31, 0) ^ (TPS_DATA_STATUS_DP_PIN_ASSIGNMENT_MASK | \
+ TPS_DATA_STATUS_TBT_CABLE_SPEED_MASK | \
+ TPS_DATA_STATUS_TBT_CABLE_GEN_MASK))
+
+#define show_data_status_flags(data_status) \
+ __print_flags(data_status & TPS_DATA_STATUS_FLAGS_MASK, "|", \
+ { TPS_DATA_STATUS_DATA_CONNECTION, "DATA_CONNECTION" }, \
+ { TPS_DATA_STATUS_UPSIDE_DOWN, "DATA_UPSIDE_DOWN" }, \
+ { TPS_DATA_STATUS_ACTIVE_CABLE, "ACTIVE_CABLE" }, \
+ { TPS_DATA_STATUS_USB2_CONNECTION, "USB2_CONNECTION" }, \
+ { TPS_DATA_STATUS_USB3_CONNECTION, "USB3_CONNECTION" }, \
+ { TPS_DATA_STATUS_USB3_GEN2, "USB3_GEN2" }, \
+ { TPS_DATA_STATUS_USB_DATA_ROLE, "USB_DATA_ROLE" }, \
+ { TPS_DATA_STATUS_DP_CONNECTION, "DP_CONNECTION" }, \
+ { TPS_DATA_STATUS_DP_SINK, "DP_SINK" }, \
+ { TPS_DATA_STATUS_TBT_CONNECTION, "TBT_CONNECTION" }, \
+ { TPS_DATA_STATUS_TBT_TYPE, "TBT_TYPE" }, \
+ { TPS_DATA_STATUS_OPTICAL_CABLE, "OPTICAL_CABLE" }, \
+ { TPS_DATA_STATUS_ACTIVE_LINK_TRAIN, "ACTIVE_LINK_TRAIN" }, \
+ { TPS_DATA_STATUS_FORCE_LSX, "FORCE_LSX" }, \
+ { TPS_DATA_STATUS_POWER_MISMATCH, "POWER_MISMATCH" })
+
+#define show_data_status_dp_pin_assignment(data_status) \
+ __print_symbolic(TPS_DATA_STATUS_DP_SPEC_PIN_ASSIGNMENT(data_status), \
+ { TPS_DATA_STATUS_DP_SPEC_PIN_ASSIGNMENT_E, "E" }, \
+ { TPS_DATA_STATUS_DP_SPEC_PIN_ASSIGNMENT_F, "F" }, \
+ { TPS_DATA_STATUS_DP_SPEC_PIN_ASSIGNMENT_C, "C" }, \
+ { TPS_DATA_STATUS_DP_SPEC_PIN_ASSIGNMENT_D, "D" }, \
+ { TPS_DATA_STATUS_DP_SPEC_PIN_ASSIGNMENT_A, "A" }, \
+ { TPS_DATA_STATUS_DP_SPEC_PIN_ASSIGNMENT_B, "B" })
+
+#define maybe_show_data_status_dp_pin_assignment(data_status) \
+ (data_status & TPS_DATA_STATUS_DP_CONNECTION ? \
+ show_data_status_dp_pin_assignment(data_status) : "")
+
TRACE_EVENT(tps6598x_irq,
TP_PROTO(u64 event1,
u64 event2),
@@ -219,6 +254,25 @@ TRACE_EVENT(tps6598x_power_status,
)
);
+TRACE_EVENT(tps6598x_data_status,
+ TP_PROTO(u32 data_status),
+ TP_ARGS(data_status),
+
+ TP_STRUCT__entry(
+ __field(u32, data_status)
+ ),
+
+ TP_fast_assign(
+ __entry->data_status = data_status;
+ ),
+
+ TP_printk("%s%s%s",
+ show_data_status_flags(__entry->data_status),
+ __entry->data_status & TPS_DATA_STATUS_DP_CONNECTION ? ", DP pinout " : "",
+ maybe_show_data_status_dp_pin_assignment(__entry->data_status)
+ )
+);
+
#endif /* _TPS6598X_TRACE_H_ */
/* This part must be outside protection */
--
2.30.0
^ permalink raw reply related [flat|nested] 12+ messages in thread