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path: root/drivers/staging/typec/tcpm.h
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Diffstat (limited to 'drivers/staging/typec/tcpm.h')
-rw-r--r--drivers/staging/typec/tcpm.h12
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/staging/typec/tcpm.h b/drivers/staging/typec/tcpm.h
index 19c307d31a5a..7e9a6b7b5cd6 100644
--- a/drivers/staging/typec/tcpm.h
+++ b/drivers/staging/typec/tcpm.h
@@ -34,7 +34,8 @@ enum typec_cc_polarity {
};
/* Time to wait for TCPC to complete transmit */
-#define PD_T_TCPC_TX_TIMEOUT 100
+#define PD_T_TCPC_TX_TIMEOUT 100 /* in ms */
+#define PD_ROLE_SWAP_TIMEOUT (MSEC_PER_SEC * 10)
enum tcpm_transmit_status {
TCPC_TX_SUCCESS = 0,
@@ -72,7 +73,7 @@ struct tcpc_config {
enum typec_role default_role;
bool try_role_hw; /* try.{src,snk} implemented in hardware */
- struct typec_altmode_desc *alt_modes;
+ const struct typec_altmode_desc *alt_modes;
};
enum tcpc_usb_switch {
@@ -108,6 +109,13 @@ struct tcpc_dev {
int (*init)(struct tcpc_dev *dev);
int (*get_vbus)(struct tcpc_dev *dev);
+ /*
+ * This optional callback gets called by the tcpm core when configured
+ * as a snk and cc=Rp-def. This allows the tcpm to provide a fallback
+ * current-limit detection method for the cc=Rp-def case. E.g. some
+ * tcpcs may include BC1.2 charger detection and use that in this case.
+ */
+ int (*get_current_limit)(struct tcpc_dev *dev);
int (*set_cc)(struct tcpc_dev *dev, enum typec_cc_status cc);
int (*get_cc)(struct tcpc_dev *dev, enum typec_cc_status *cc1,
enum typec_cc_status *cc2);