linux-kernel - [PATCH v2] usb: typec: ucsi: Add the UCSI commands in debugfs

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Message-Id: <20250328113227.554096-1-madhu.m@intel.com>
Date: Fri, 28 Mar 2025 17:02:27 +0530
From: madhu.m@...el.com
To: gregkh@...uxfoundation.org
Cc: heikki.krogerus@...ux.intel.com,
	linux-usb@...r.kernel.org,
	pooja.katiyar@...el.com,
	dmitry.baryshkov@...aro.org,
	diogo.ivo@...nico.ulisboa.pt,
	lk@...e.de,
	linux-kernel@...r.kernel.org,
	Madhu M <madhu.m@...el.com>
Subject: [PATCH v2] usb: typec: ucsi: Add the UCSI commands in debugfs

From: Madhu M <madhu.m@...el.com>

Added the UCSI commands UCSI_GET_CAM_SUPPORTED, UCSI_GET_PD_MESSAGE,
UCSI_GET_ATTENTION_VDO and UCSI_SET_USB support in debugfs to enhance
PD/TypeC debugging capability.

Signed-off-by: Madhu M <madhu.m@...el.com>
---
Changes in v1:
- Removed UCSI_READ_POWER_LEVEL and UCSI_SET_PDOS commands.
- Modified commit messages.
---
 drivers/usb/typec/ucsi/debugfs.c | 4 ++++
 drivers/usb/typec/ucsi/ucsi.h    | 2 ++
 2 files changed, 6 insertions(+)

diff --git a/drivers/usb/typec/ucsi/debugfs.c b/drivers/usb/typec/ucsi/debugfs.c
index eae2b18a2d8a..92ebf1a2defd 100644
--- a/drivers/usb/typec/ucsi/debugfs.c
+++ b/drivers/usb/typec/ucsi/debugfs.c
@@ -34,16 +34,20 @@ static int ucsi_cmd(void *data, u64 val)
 	case UCSI_CONNECTOR_RESET:
 	case UCSI_SET_SINK_PATH:
 	case UCSI_SET_NEW_CAM:
+	case UCSI_SET_USB:
 		ret = ucsi_send_command(ucsi, val, NULL, 0);
 		break;
 	case UCSI_GET_CAPABILITY:
 	case UCSI_GET_CONNECTOR_CAPABILITY:
 	case UCSI_GET_ALTERNATE_MODES:
+	case UCSI_GET_CAM_SUPPORTED:
 	case UCSI_GET_CURRENT_CAM:
 	case UCSI_GET_PDOS:
 	case UCSI_GET_CABLE_PROPERTY:
 	case UCSI_GET_CONNECTOR_STATUS:
 	case UCSI_GET_ERROR_STATUS:
+	case UCSI_GET_PD_MESSAGE:
+	case UCSI_GET_ATTENTION_VDO:
 	case UCSI_GET_CAM_CS:
 	case UCSI_GET_LPM_PPM_INFO:
 		ret = ucsi_send_command(ucsi, val,
diff --git a/drivers/usb/typec/ucsi/ucsi.h b/drivers/usb/typec/ucsi/ucsi.h
index 3a2c1762bec1..72b9d5a42961 100644
--- a/drivers/usb/typec/ucsi/ucsi.h
+++ b/drivers/usb/typec/ucsi/ucsi.h
@@ -123,9 +123,11 @@ void ucsi_connector_change(struct ucsi *ucsi, u8 num);
 #define UCSI_GET_CONNECTOR_STATUS		0x12
 #define UCSI_GET_CONNECTOR_STATUS_SIZE		152
 #define UCSI_GET_ERROR_STATUS			0x13
+#define UCSI_GET_ATTENTION_VDO			0x16
 #define UCSI_GET_PD_MESSAGE			0x15
 #define UCSI_GET_CAM_CS			0x18
 #define UCSI_SET_SINK_PATH			0x1c
+#define UCSI_SET_USB				0x21
 #define UCSI_GET_LPM_PPM_INFO			0x22
 
 #define UCSI_CONNECTOR_NUMBER(_num_)		((u64)(_num_) << 16)
-- 
2.34.1