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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/usb/typec/class.h | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | drivers/usb/typec/class.h | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/drivers/usb/typec/class.h b/drivers/usb/typec/class.h new file mode 100644 index 000000000..673b2952b --- /dev/null +++ b/drivers/usb/typec/class.h @@ -0,0 +1,91 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +#ifndef __USB_TYPEC_CLASS__ +#define __USB_TYPEC_CLASS__ + +#include <linux/device.h> +#include <linux/usb/typec.h> + +struct typec_mux; +struct typec_switch; + +struct typec_plug { + struct device dev; + enum typec_plug_index index; + struct ida mode_ids; + int num_altmodes; +}; + +struct typec_cable { + struct device dev; + enum typec_plug_type type; + struct usb_pd_identity *identity; + unsigned int active:1; + u16 pd_revision; /* 0300H = "3.0" */ +}; + +struct typec_partner { + struct device dev; + unsigned int usb_pd:1; + struct usb_pd_identity *identity; + enum typec_accessory accessory; + struct ida mode_ids; + int num_altmodes; + u16 pd_revision; /* 0300H = "3.0" */ + enum usb_pd_svdm_ver svdm_version; + + struct usb_power_delivery *pd; +}; + +struct typec_port { + unsigned int id; + struct device dev; + struct ida mode_ids; + + struct usb_power_delivery *pd; + + int prefer_role; + enum typec_data_role data_role; + enum typec_role pwr_role; + enum typec_role vconn_role; + enum typec_pwr_opmode pwr_opmode; + enum typec_port_type port_type; + struct mutex port_type_lock; + + enum typec_orientation orientation; + struct typec_switch *sw; + struct typec_mux *mux; + struct typec_retimer *retimer; + + const struct typec_capability *cap; + const struct typec_operations *ops; +}; + +#define to_typec_port(_dev_) container_of(_dev_, struct typec_port, dev) +#define to_typec_plug(_dev_) container_of(_dev_, struct typec_plug, dev) +#define to_typec_cable(_dev_) container_of(_dev_, struct typec_cable, dev) +#define to_typec_partner(_dev_) container_of(_dev_, struct typec_partner, dev) + +extern const struct device_type typec_partner_dev_type; +extern const struct device_type typec_cable_dev_type; +extern const struct device_type typec_plug_dev_type; +extern const struct device_type typec_port_dev_type; + +#define is_typec_partner(dev) ((dev)->type == &typec_partner_dev_type) +#define is_typec_cable(dev) ((dev)->type == &typec_cable_dev_type) +#define is_typec_plug(dev) ((dev)->type == &typec_plug_dev_type) +#define is_typec_port(dev) ((dev)->type == &typec_port_dev_type) + +extern struct class typec_mux_class; +extern struct class retimer_class; +extern struct class typec_class; + +#if defined(CONFIG_ACPI) +int typec_link_ports(struct typec_port *connector); +void typec_unlink_ports(struct typec_port *connector); +#else +static inline int typec_link_ports(struct typec_port *connector) { return 0; } +static inline void typec_unlink_ports(struct typec_port *connector) { } +#endif + +#endif /* __USB_TYPEC_CLASS__ */ |