diff options
| author | Chaoyi Chen <chaoyi.chen@rock-chips.com> | 2025-12-08 09:54:51 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-12-17 14:42:34 +0100 |
| commit | 4dee13db29de6dd869af9b3827e1ff569644e838 (patch) | |
| tree | aa3574b1332e86e1a28c430742d21bebd7afe424 /include | |
| parent | 67ab45426215c7fdccb65aecd4cac15bbe4dfcbb (diff) | |
usb: typec: Export typec bus and typec altmode device type
The DRM may want to register a notifier on the typec bus to know when
a typec altmode device is added, and distinguish between different
types of typec altmode device.
Export these things.
Signed-off-by: Chaoyi Chen <chaoyi.chen@rock-chips.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://patch.msgid.link/20251208015500.94-3-kernel@airkyi.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/usb/typec.h | 3 | ||||
| -rw-r--r-- | include/linux/usb/typec_altmode.h | 8 |
2 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/usb/typec.h b/include/linux/usb/typec.h index 309251572e2e..c6fd46902fce 100644 --- a/include/linux/usb/typec.h +++ b/include/linux/usb/typec.h @@ -20,12 +20,15 @@ struct typec_port; struct typec_altmode_ops; struct typec_cable_ops; +struct bus_type; struct fwnode_handle; struct device; struct usb_power_delivery; struct usb_power_delivery_desc; +extern const struct bus_type typec_bus; + enum typec_port_type { TYPEC_PORT_SRC, TYPEC_PORT_SNK, diff --git a/include/linux/usb/typec_altmode.h b/include/linux/usb/typec_altmode.h index f7db3bd4c90e..9197a4637a93 100644 --- a/include/linux/usb/typec_altmode.h +++ b/include/linux/usb/typec_altmode.h @@ -9,6 +9,14 @@ #define MODE_DISCOVERY_MAX 6 +extern const struct device_type typec_port_altmode_dev_type; +extern const struct device_type typec_plug_altmode_dev_type; +extern const struct device_type typec_partner_altmode_dev_type; + +#define is_typec_port_altmode(dev) ((dev)->type == &typec_port_altmode_dev_type) +#define is_typec_plug_altmode(dev) ((dev)->type == &typec_plug_altmode_dev_type) +#define is_typec_partner_altmode(dev) ((dev)->type == &typec_partner_altmode_dev_type) + struct typec_altmode_ops; /** |