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path: root/drivers/platform/chrome/cros_ec_typec.h
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Diffstat (limited to 'drivers/platform/chrome/cros_ec_typec.h')
-rw-r--r--drivers/platform/chrome/cros_ec_typec.h85
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__ */