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Diffstat (limited to 'include/linux/usb')
-rw-r--r--include/linux/usb/pd.h19
-rw-r--r--include/linux/usb/tcpm.h8
2 files changed, 18 insertions, 9 deletions
diff --git a/include/linux/usb/pd.h b/include/linux/usb/pd.h
index f842e4589bd2..3a805e2ecbc9 100644
--- a/include/linux/usb/pd.h
+++ b/include/linux/usb/pd.h
@@ -219,14 +219,16 @@ enum pd_pdo_type {
#define PDO_CURR_MASK 0x3ff
#define PDO_PWR_MASK 0x3ff
-#define PDO_FIXED_DUAL_ROLE BIT(29) /* Power role swap supported */
-#define PDO_FIXED_SUSPEND BIT(28) /* USB Suspend supported (Source) */
-#define PDO_FIXED_HIGHER_CAP BIT(28) /* Requires more than vSafe5V (Sink) */
-#define PDO_FIXED_EXTPOWER BIT(27) /* Externally powered */
-#define PDO_FIXED_USB_COMM BIT(26) /* USB communications capable */
-#define PDO_FIXED_DATA_SWAP BIT(25) /* Data role swap supported */
-#define PDO_FIXED_VOLT_SHIFT 10 /* 50mV units */
-#define PDO_FIXED_CURR_SHIFT 0 /* 10mA units */
+#define PDO_FIXED_DUAL_ROLE BIT(29) /* Power role swap supported */
+#define PDO_FIXED_SUSPEND BIT(28) /* USB Suspend supported (Source) */
+#define PDO_FIXED_HIGHER_CAP BIT(28) /* Requires more than vSafe5V (Sink) */
+#define PDO_FIXED_EXTPOWER BIT(27) /* Externally powered */
+#define PDO_FIXED_USB_COMM BIT(26) /* USB communications capable */
+#define PDO_FIXED_DATA_SWAP BIT(25) /* Data role swap supported */
+#define PDO_FIXED_FRS_CURR_MASK (BIT(24) | BIT(23)) /* FR_Swap Current (Sink) */
+#define PDO_FIXED_FRS_CURR_SHIFT 23
+#define PDO_FIXED_VOLT_SHIFT 10 /* 50mV units */
+#define PDO_FIXED_CURR_SHIFT 0 /* 10mA units */
#define PDO_FIXED_VOLT(mv) ((((mv) / 50) & PDO_VOLT_MASK) << PDO_FIXED_VOLT_SHIFT)
#define PDO_FIXED_CURR(ma) ((((ma) / 10) & PDO_CURR_MASK) << PDO_FIXED_CURR_SHIFT)
@@ -454,6 +456,7 @@ static inline unsigned int rdo_max_power(u32 rdo)
#define PD_T_DB_DETECT 10000 /* 10 - 15 seconds */
#define PD_T_SEND_SOURCE_CAP 150 /* 100 - 200 ms */
#define PD_T_SENDER_RESPONSE 60 /* 24 - 30 ms, relaxed */
+#define PD_T_RECEIVER_RESPONSE 15 /* 15ms max */
#define PD_T_SOURCE_ACTIVITY 45
#define PD_T_SINK_ACTIVITY 135
#define PD_T_SINK_WAIT_CAP 240
diff --git a/include/linux/usb/tcpm.h b/include/linux/usb/tcpm.h
index 89f58760cf48..09762d26fa0c 100644
--- a/include/linux/usb/tcpm.h
+++ b/include/linux/usb/tcpm.h
@@ -78,8 +78,11 @@ enum tcpm_transmit_type {
* automatically if a connection is established.
* @try_role: Optional; called to set a preferred role
* @pd_transmit:Called to transmit PD message
- * @mux: Pointer to multiplexer data
* @set_bist_data: Turn on/off bist data mode for compliance testing
+ * @enable_frs:
+ * 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.
*/
struct tcpc_dev {
struct fwnode_handle *fwnode;
@@ -105,6 +108,7 @@ struct tcpc_dev {
int (*pd_transmit)(struct tcpc_dev *dev, enum tcpm_transmit_type type,
const struct pd_message *msg);
int (*set_bist_data)(struct tcpc_dev *dev, bool on);
+ int (*enable_frs)(struct tcpc_dev *dev, bool enable);
};
struct tcpm_port;
@@ -114,6 +118,8 @@ void tcpm_unregister_port(struct tcpm_port *port);
void tcpm_vbus_change(struct tcpm_port *port);
void tcpm_cc_change(struct tcpm_port *port);
+void tcpm_sink_frs(struct tcpm_port *port);
+void tcpm_sourcing_vbus(struct tcpm_port *port);
void tcpm_pd_receive(struct tcpm_port *port,
const struct pd_message *msg);
void tcpm_pd_transmit_complete(struct tcpm_port *port,