From: Badhri Jagan Sridharan <badhri@google.com>
To: Guenter Roeck <linux@roeck-us.net>,
Heikki Krogerus <heikki.krogerus@linux.intel.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Rob Herring <robh+dt@kernel.org>,
Lee Jones <lee.jones@linaro.org>, Mark Brown <broonie@kernel.org>,
Maxime Ripard <mripard@kernel.org>,
Alexandre Belloni <alexandre.belloni@bootlin.com>,
Thierry Reding <treding@nvidia.com>,
Prashant Malani <pmalani@chromium.org>,
Badhri Jagan Sridharan <badhri@google.com>
Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-usb@vger.kernel.org,
Amelie Delaunay <amelie.delaunay@st.com>
Subject: [PATCH v10 09/15] usb: typec: tcpm: frs sourcing vbus callback
Date: Wed, 7 Oct 2020 23:15:50 -0700 [thread overview]
Message-ID: <20201008061556.1402293-10-badhri@google.com> (raw)
In-Reply-To: <20201008061556.1402293-1-badhri@google.com>
During FRS hardware autonomously starts to source vbus. Provide
callback to perform chip specific operations.
Signed-off-by: Badhri Jagan Sridharan <badhri@google.com>
---
Introduced in v9. No chages since then.
---
drivers/usb/typec/tcpm/tcpm.c | 9 +++++++++
include/linux/usb/tcpm.h | 4 ++++
2 files changed, 13 insertions(+)
diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
index 55535c4f66bf..02b7f623f584 100644
--- a/drivers/usb/typec/tcpm/tcpm.c
+++ b/drivers/usb/typec/tcpm/tcpm.c
@@ -4090,7 +4090,16 @@ static void _tcpm_pd_vbus_on(struct tcpm_port *port)
case SRC_TRY_DEBOUNCE:
/* Do nothing, waiting for sink detection */
break;
+ case FR_SWAP_SEND:
+ case FR_SWAP_SEND_TIMEOUT:
+ case FR_SWAP_SNK_SRC_TRANSITION_TO_OFF:
+ case FR_SWAP_SNK_SRC_SOURCE_VBUS_APPLIED:
+ if (port->tcpc->frs_sourcing_vbus)
+ port->tcpc->frs_sourcing_vbus(port->tcpc);
+ break;
case FR_SWAP_SNK_SRC_NEW_SINK_READY:
+ if (port->tcpc->frs_sourcing_vbus)
+ port->tcpc->frs_sourcing_vbus(port->tcpc);
tcpm_set_state(port, FR_SWAP_SNK_SRC_SOURCE_VBUS_APPLIED, 0);
break;
diff --git a/include/linux/usb/tcpm.h b/include/linux/usb/tcpm.h
index 09762d26fa0c..7303f518ba49 100644
--- a/include/linux/usb/tcpm.h
+++ b/include/linux/usb/tcpm.h
@@ -83,6 +83,9 @@ enum tcpm_transmit_type {
* Optional; Called to enable/disable PD 3.0 fast role swap.
* Enabling frs is accessory dependent as not all PD3.0
* accessories support fast role swap.
+ * @frs_sourcing_vbus:
+ * Optional; Called to notify that vbus is now being sourced.
+ * Low level drivers can perform chip specific operations, if any.
*/
struct tcpc_dev {
struct fwnode_handle *fwnode;
@@ -109,6 +112,7 @@ struct tcpc_dev {
const struct pd_message *msg);
int (*set_bist_data)(struct tcpc_dev *dev, bool on);
int (*enable_frs)(struct tcpc_dev *dev, bool enable);
+ void (*frs_sourcing_vbus)(struct tcpc_dev *dev);
};
struct tcpm_port;
--
2.28.0.806.g8561365e88-goog
next prev parent reply other threads:[~2020-10-08 6:16 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-08 6:15 [PATCH v10 00/15] TCPM support for FRS and AutoDischarge Disconnect Badhri Jagan Sridharan
2020-10-08 6:15 ` [PATCH v10 01/15] usb: typec: tcpci: Add a getter method to retrieve tcpm_port reference Badhri Jagan Sridharan
2020-10-08 6:15 ` [PATCH v10 02/15] usb: typec: tcpci: Add set_vbus tcpci callback Badhri Jagan Sridharan
2020-10-08 6:15 ` [PATCH v10 03/15] dt-bindings: usb: Maxim type-c controller device tree binding document Badhri Jagan Sridharan
2020-10-08 6:15 ` [PATCH v10 04/15] usb: typec: tcpci_maxim: Chip level TCPC driver Badhri Jagan Sridharan
2020-10-08 6:15 ` [PATCH v10 05/15] dt-bindings: connector: Add property to set initial current cap for FRS Badhri Jagan Sridharan
2020-10-08 6:15 ` [PATCH v10 06/15] usb: typec: tcpm: Add support for Sink Fast Role SWAP(FRS) Badhri Jagan Sridharan
2020-10-08 6:15 ` [PATCH v10 07/15] usb: typec: tcpci: Implement callbacks for FRS Badhri Jagan Sridharan
2020-10-08 6:15 ` [PATCH v10 08/15] usb: typec: tcpci_maxim: Add support for Sink FRS Badhri Jagan Sridharan
2020-10-08 6:15 ` Badhri Jagan Sridharan [this message]
2020-10-19 13:40 ` [PATCH v10 09/15] usb: typec: tcpm: frs sourcing vbus callback Heikki Krogerus
2020-10-08 6:15 ` [PATCH v10 10/15] usb: typec: tcpci: " Badhri Jagan Sridharan
2020-10-19 13:41 ` Heikki Krogerus
2020-10-08 6:15 ` [PATCH v10 11/15] usb: typec: tcpci_max77759: Fix vbus stuck on upon diconnecting sink Badhri Jagan Sridharan
2020-10-19 13:44 ` Heikki Krogerus
2020-10-08 6:15 ` [PATCH v10 12/15] usb: typec: tcpm: Parse frs type-c current from device tree Badhri Jagan Sridharan
2020-10-08 6:15 ` [PATCH v10 13/15] usb: typec: tcpm: Implement enabling Auto Discharge disconnect support Badhri Jagan Sridharan
2020-10-19 13:48 ` Heikki Krogerus
2020-10-08 6:15 ` [PATCH v10 14/15] usb: typec: tcpci: Implement Auto discharge disconnect callbacks Badhri Jagan Sridharan
2020-10-19 13:49 ` Heikki Krogerus
2020-10-08 6:15 ` [PATCH v10 15/15] usb: typec: tcpci_maxim: Enable auto discharge disconnect Badhri Jagan Sridharan
2020-10-19 13:50 ` Heikki Krogerus
2020-10-08 7:46 ` [PATCH v10 00/15] TCPM support for FRS and AutoDischarge Disconnect Greg Kroah-Hartman
2020-10-08 17:54 ` Badhri Jagan Sridharan
2020-10-13 14:11 ` Rob Herring
2020-10-19 13:55 ` Heikki Krogerus
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