diff options
Diffstat (limited to 'drivers/platform/chrome/cros_ec_typec.h')
-rw-r--r-- | drivers/platform/chrome/cros_ec_typec.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/drivers/platform/chrome/cros_ec_typec.h b/drivers/platform/chrome/cros_ec_typec.h new file mode 100644 index 0000000000..deda180a64 --- /dev/null +++ b/drivers/platform/chrome/cros_ec_typec.h @@ -0,0 +1,85 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifndef __CROS_EC_TYPEC__ +#define __CROS_EC_TYPEC__ + +#include <linux/list.h> +#include <linux/notifier.h> +#include <linux/platform_data/cros_ec_proto.h> +#include <linux/usb/pd.h> +#include <linux/usb/role.h> +#include <linux/usb/typec.h> +#include <linux/usb/typec_altmode.h> +#include <linux/usb/typec_mux.h> +#include <linux/usb/typec_retimer.h> +#include <linux/workqueue.h> + +/* Supported alt modes. */ +enum { + CROS_EC_ALTMODE_DP = 0, + CROS_EC_ALTMODE_TBT, + CROS_EC_ALTMODE_MAX, +}; + +/* Container for altmode pointer nodes. */ +struct cros_typec_altmode_node { + struct typec_altmode *amode; + struct list_head list; +}; + +/* Platform-specific data for the Chrome OS EC Type C controller. */ +struct cros_typec_data { + struct device *dev; + struct cros_ec_device *ec; + int num_ports; + unsigned int pd_ctrl_ver; + /* Array of ports, indexed by port number. */ + struct cros_typec_port *ports[EC_USB_PD_MAX_PORTS]; + struct notifier_block nb; + struct work_struct port_work; + bool typec_cmd_supported; + bool needs_mux_ack; +}; + +/* Per port data. */ +struct cros_typec_port { + struct typec_port *port; + int port_num; + /* Initial capabilities for the port. */ + struct typec_capability caps; + struct typec_partner *partner; + struct typec_cable *cable; + /* SOP' plug. */ + struct typec_plug *plug; + /* Port partner PD identity info. */ + struct usb_pd_identity p_identity; + /* Port cable PD identity info. */ + struct usb_pd_identity c_identity; + struct typec_switch *ori_sw; + struct typec_mux *mux; + struct typec_retimer *retimer; + struct usb_role_switch *role_sw; + + /* Variables keeping track of switch state. */ + struct typec_mux_state state; + uint8_t mux_flags; + uint8_t role; + + struct typec_altmode *port_altmode[CROS_EC_ALTMODE_MAX]; + + /* Flag indicating that PD partner discovery data parsing is completed. */ + bool sop_disc_done; + bool sop_prime_disc_done; + struct ec_response_typec_discovery *disc_data; + struct list_head partner_mode_list; + struct list_head plug_mode_list; + + /* PDO-related structs */ + struct usb_power_delivery *partner_pd; + struct usb_power_delivery_capabilities *partner_src_caps; + struct usb_power_delivery_capabilities *partner_sink_caps; + + struct cros_typec_data *typec_data; +}; + +#endif /* __CROS_EC_TYPEC__ */ |