1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
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2 | |
3 | #ifndef __CROS_EC_TYPEC__ |
4 | #define __CROS_EC_TYPEC__ |
5 | |
6 | #include <linux/list.h> |
7 | #include <linux/notifier.h> |
8 | #include <linux/platform_data/cros_ec_proto.h> |
9 | #include <linux/usb/pd.h> |
10 | #include <linux/usb/role.h> |
11 | #include <linux/usb/typec.h> |
12 | #include <linux/usb/typec_altmode.h> |
13 | #include <linux/usb/typec_mux.h> |
14 | #include <linux/usb/typec_retimer.h> |
15 | #include <linux/workqueue.h> |
16 | |
17 | /* Supported alt modes. */ |
18 | enum { |
19 | CROS_EC_ALTMODE_DP = 0, |
20 | CROS_EC_ALTMODE_TBT, |
21 | CROS_EC_ALTMODE_MAX, |
22 | }; |
23 | |
24 | /* Container for altmode pointer nodes. */ |
25 | struct cros_typec_altmode_node { |
26 | struct typec_altmode *amode; |
27 | struct list_head list; |
28 | }; |
29 | |
30 | /* Platform-specific data for the Chrome OS EC Type C controller. */ |
31 | struct cros_typec_data { |
32 | struct device *dev; |
33 | struct cros_ec_device *ec; |
34 | int num_ports; |
35 | unsigned int pd_ctrl_ver; |
36 | /* Array of ports, indexed by port number. */ |
37 | struct cros_typec_port *ports[EC_USB_PD_MAX_PORTS]; |
38 | struct notifier_block nb; |
39 | struct work_struct port_work; |
40 | bool typec_cmd_supported; |
41 | bool needs_mux_ack; |
42 | }; |
43 | |
44 | /* Per port data. */ |
45 | struct cros_typec_port { |
46 | struct typec_port *port; |
47 | int port_num; |
48 | /* Initial capabilities for the port. */ |
49 | struct typec_capability caps; |
50 | struct typec_partner *partner; |
51 | struct typec_cable *cable; |
52 | /* SOP' plug. */ |
53 | struct typec_plug *plug; |
54 | /* Port partner PD identity info. */ |
55 | struct usb_pd_identity p_identity; |
56 | /* Port cable PD identity info. */ |
57 | struct usb_pd_identity c_identity; |
58 | struct typec_switch *ori_sw; |
59 | struct typec_mux *mux; |
60 | struct typec_retimer *retimer; |
61 | struct usb_role_switch *role_sw; |
62 | |
63 | /* Variables keeping track of switch state. */ |
64 | struct typec_mux_state state; |
65 | uint8_t mux_flags; |
66 | uint8_t role; |
67 | |
68 | struct typec_altmode *port_altmode[CROS_EC_ALTMODE_MAX]; |
69 | |
70 | /* Flag indicating that PD partner discovery data parsing is completed. */ |
71 | bool sop_disc_done; |
72 | bool sop_prime_disc_done; |
73 | struct ec_response_typec_discovery *disc_data; |
74 | struct list_head partner_mode_list; |
75 | struct list_head plug_mode_list; |
76 | |
77 | /* PDO-related structs */ |
78 | struct usb_power_delivery *partner_pd; |
79 | struct usb_power_delivery_capabilities *partner_src_caps; |
80 | struct usb_power_delivery_capabilities *partner_sink_caps; |
81 | |
82 | struct cros_typec_data *typec_data; |
83 | }; |
84 | |
85 | #endif /* __CROS_EC_TYPEC__ */ |
86 |