linux-kernel - [PATCH v3 2/2] usb: typec: ucsi: Enable UCSI commands in debugfs

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Message-Id: <20250118172455.701348-2-madhu.m@intel.com>
Date: Sat, 18 Jan 2025 22:54:55 +0530
From: madhu.m@...el.com
To: gregkh@...uxfoundation.org
Cc: heikki.krogerus@...ux.intel.com,
	linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	abhishekpandit@...omium.org,
	dmitry.baryshkov@...aro.org,
	diogo.ivo@...nico.ulisboa.pt,
	jthies@...gle.com,
	bleung@...omium.org,
	pooja.katiyar@...el.com,
	Madhu M <madhu.m@...el.com>
Subject: [PATCH v3 2/2] usb: typec: ucsi: Enable UCSI commands in debugfs

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

Enable the UCSI commands UCSI_SET_NEW_CAM,
UCSI_GET_ERROR_STATUS, UCSI_GET_CAM_CS, and UCSI_GET_LPM_PPM_INFO
support in debugfs to enhance PD/TypeC debugging capability.

Signed-off-by: Madhu M <madhu.m@...el.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@...ux.intel.com>
---
 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 638ac41b4b01..eae2b18a2d8a 100644
--- a/drivers/usb/typec/ucsi/debugfs.c
+++ b/drivers/usb/typec/ucsi/debugfs.c
@@ -33,6 +33,7 @@ static int ucsi_cmd(void *data, u64 val)
 	case UCSI_SET_PDR:
 	case UCSI_CONNECTOR_RESET:
 	case UCSI_SET_SINK_PATH:
+	case UCSI_SET_NEW_CAM:
 		ret = ucsi_send_command(ucsi, val, NULL, 0);
 		break;
 	case UCSI_GET_CAPABILITY:
@@ -42,6 +43,9 @@ static int ucsi_cmd(void *data, u64 val)
 	case UCSI_GET_PDOS:
 	case UCSI_GET_CABLE_PROPERTY:
 	case UCSI_GET_CONNECTOR_STATUS:
+	case UCSI_GET_ERROR_STATUS:
+	case UCSI_GET_CAM_CS:
+	case UCSI_GET_LPM_PPM_INFO:
 		ret = ucsi_send_command(ucsi, val,
 					&ucsi->debugfs->response,
 					sizeof(ucsi->debugfs->response));
diff --git a/drivers/usb/typec/ucsi/ucsi.h b/drivers/usb/typec/ucsi/ucsi.h
index 431ab4a7e8d8..9d59ad217f7d 100644
--- a/drivers/usb/typec/ucsi/ucsi.h
+++ b/drivers/usb/typec/ucsi/ucsi.h
@@ -120,7 +120,9 @@ void ucsi_connector_change(struct ucsi *ucsi, u8 num);
 #define UCSI_GET_CONNECTOR_STATUS_SIZE		152
 #define UCSI_GET_ERROR_STATUS			0x13
 #define UCSI_GET_PD_MESSAGE			0x15
+#define UCSI_GET_CAM_CS			0x18
 #define UCSI_SET_SINK_PATH			0x1c
+#define UCSI_GET_LPM_PPM_INFO			0x22
 
 #define UCSI_CONNECTOR_NUMBER(_num_)		((u64)(_num_) << 16)
 #define UCSI_COMMAND(_cmd_)			((_cmd_) & 0xff)
-- 
2.34.1