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[4/5] usb: typec: ucsi: make it orientation-aware

Message ID 20240408-ucsi-orient-aware-v1-4-95a74a163a10@linaro.org
State New
Headers show
Series usb: typec: ucsi: glink: rework orientation handling | expand

Commit Message

Dmitry Baryshkov April 8, 2024, 4:30 a.m. UTC
The UCSI 1.0 is not orientation aware. Only UCSI 2.0 has added
orientation status to GET_CONNECTOR_STATUS data. However the glue code
can be able to detect cable orientation on its own (and report it via
corresponding typec API). Add a flag to let UCSI mark registered ports
as orientation aware.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
---
 drivers/usb/typec/ucsi/ucsi.c | 2 ++
 drivers/usb/typec/ucsi/ucsi.h | 1 +
 2 files changed, 3 insertions(+)
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Patch

diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c
index 7ad544c968e4..6f5adc335980 100644
--- a/drivers/usb/typec/ucsi/ucsi.c
+++ b/drivers/usb/typec/ucsi/ucsi.c
@@ -1551,6 +1551,8 @@  static int ucsi_register_port(struct ucsi *ucsi, struct ucsi_connector *con)
 	cap->svdm_version = SVDM_VER_2_0;
 	cap->prefer_role = TYPEC_NO_PREFERRED_ROLE;
 
+	cap->orientation_aware = !!(ucsi->quirks & UCSI_ORIENTATION_AWARE);
+
 	if (con->cap.op_mode & UCSI_CONCAP_OPMODE_AUDIO_ACCESSORY)
 		*accessory++ = TYPEC_ACCESSORY_AUDIO;
 	if (con->cap.op_mode & UCSI_CONCAP_OPMODE_DEBUG_ACCESSORY)
diff --git a/drivers/usb/typec/ucsi/ucsi.h b/drivers/usb/typec/ucsi/ucsi.h
index 6599fbd09bee..e92be45e4c1c 100644
--- a/drivers/usb/typec/ucsi/ucsi.h
+++ b/drivers/usb/typec/ucsi/ucsi.h
@@ -410,6 +410,7 @@  struct ucsi {
 	unsigned long quirks;
 #define UCSI_NO_PARTNER_PDOS	BIT(0)	/* Don't read partner's PDOs */
 #define UCSI_DELAY_DEVICE_PDOS	BIT(1)	/* Reading PDOs fails until the parter is in PD mode */
+#define UCSI_ORIENTATION_AWARE	BIT(2)	/* UCSI is orientation aware */
 };
 
 #define UCSI_MAX_SVID		5