Message ID | 11444ae487d69da98ec20a18f2e49259e68319e3.1613389531.git.agx@sigxcpu.org (mailing list archive) |
---|---|
State | Accepted |
Commit | 65a2f67d9945c59f609ceea7e7868300430f103f |
Headers | show |
Series | usb: typec: tps6598x: Add IRQ flag and register tracing | expand |
On Mon, Feb 15, 2021 at 12:46:42PM +0100, Guido Günther wrote: > 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> Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> > --- > 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 thanks,
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>
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