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2024-01-05 071106ecf68c401173c58808b1cf5f68cc50d390 
 kernel/include/linux/usb/typec.h
....@@ -4,11 +4,15 @@
44 #define __LINUX_USB_TYPEC_H
55 
66 #include <linux/types.h>
7
+#include <linux/android_kabi.h>
78 
89 /* USB Type-C Specification releases */
910 #define USB_TYPEC_REV_1_0	0x100 /* 1.0 */
1011 #define USB_TYPEC_REV_1_1	0x110 /* 1.1 */
1112 #define USB_TYPEC_REV_1_2	0x120 /* 1.2 */
13
+#define USB_TYPEC_REV_1_3	0x130 /* 1.3 */
14
+#define USB_TYPEC_REV_1_4	0x140 /* 1.4 */
15
+#define USB_TYPEC_REV_2_0	0x200 /* 2.0 */
1216 
1317 struct typec_partner;
1418 struct typec_cable;
....@@ -71,11 +75,25 @@
7175 };
7276 
7377 /*
78
+ * struct enter_usb_data - Enter_USB Message details
79
+ * @eudo: Enter_USB Data Object
80
+ * @active_link_training: Active Cable Plug Link Training
81
+ *
82
+ * @active_link_training is a flag that should be set with uni-directional SBRX
83
+ * communication, and left 0 with passive cables and with bi-directional SBRX
84
+ * communication.
85
+ */
86
+struct enter_usb_data {
87
+	u32			eudo;
88
+	unsigned char		active_link_training:1;
89
+};
90
+
91
+/*
7492  * struct usb_pd_identity - USB Power Delivery identity data
7593  * @id_header: ID Header VDO
7694  * @cert_stat: Cert Stat VDO
7795  * @product: Product VDO
78
- * @product_type: Product type VDO
96
+ * @vdo: Product Type Specific VDOs
7997  *
8098  * USB power delivery Discover Identity command response data.
8199  *
....@@ -86,7 +104,7 @@
86104 	u32			id_header;
87105 	u32			cert_stat;
88106 	u32			product;
89
-	u32			product_type;
107
+	u32			vdo[3];
90108 };
91109 
92110 int typec_partner_set_identity(struct typec_partner *partner);
....@@ -110,9 +128,12 @@
110128 	enum typec_port_data	roles;
111129 };
112130 
131
+void typec_partner_set_pd_revision(struct typec_partner *partner, u16 pd_revision);
132
+int typec_partner_set_num_altmodes(struct typec_partner *partner, int num_altmodes);
113133 struct typec_altmode
114134 *typec_partner_register_altmode(struct typec_partner *partner,
115135 				const struct typec_altmode_desc *desc);
136
+int typec_plug_set_num_altmodes(struct typec_plug *plug, int num_altmodes);
116137 struct typec_altmode
117138 *typec_plug_register_altmode(struct typec_plug *plug,
118139 			     const struct typec_altmode_desc *desc);
....@@ -151,6 +172,7 @@
151172  * @type: The plug type from USB PD Cable VDO
152173  * @active: Is the cable active or passive
153174  * @identity: Result of Discover Identity command
175
+ * @pd_revision: USB Power Delivery Specification revision if supported
154176  *
155177  * Represents USB Type-C Cable attached to USB Type-C port.
156178  */
....@@ -158,6 +180,8 @@
158180 	enum typec_plug_type	type;
159181 	unsigned int		active:1;
160182 	struct usb_pd_identity	*identity;
183
+	u16			pd_revision; /* 0300H = "3.0" */
184
+
161185 };
162186 
163187 /*
....@@ -165,15 +189,46 @@
165189  * @usb_pd: USB Power Delivery support
166190  * @accessory: Audio, Debug or none.
167191  * @identity: Discover Identity command data
192
+ * @pd_revision: USB Power Delivery Specification Revision if supported
168193  *
169194  * Details about a partner that is attached to USB Type-C port. If @identity
170195  * member exists when partner is registered, a directory named "identity" is
171196  * created to sysfs for the partner device.
197
+ *
198
+ * @pd_revision is based on the setting of the "Specification Revision" field
199
+ * in the message header on the initial "Source Capabilities" message received
200
+ * from the partner, or a "Request" message received from the partner, depending
201
+ * on whether our port is a Sink or a Source.
172202  */
173203 struct typec_partner_desc {
174204 	unsigned int		usb_pd:1;
175205 	enum typec_accessory	accessory;
176206 	struct usb_pd_identity	*identity;
207
+	u16			pd_revision; /* 0300H = "3.0" */
208
+};
209
+
210
+/**
211
+ * struct typec_operations - USB Type-C Port Operations
212
+ * @try_role: Set data role preference for DRP port
213
+ * @dr_set: Set Data Role
214
+ * @pr_set: Set Power Role
215
+ * @vconn_set: Source VCONN
216
+ * @port_type_set: Set port type
217
+ */
218
+struct typec_operations {
219
+	int (*try_role)(struct typec_port *port, int role);
220
+	int (*dr_set)(struct typec_port *port, enum typec_data_role role);
221
+	int (*pr_set)(struct typec_port *port, enum typec_role role);
222
+	int (*vconn_set)(struct typec_port *port, enum typec_role role);
223
+	int (*port_type_set)(struct typec_port *port,
224
+			     enum typec_port_type type);
225
+	ANDROID_KABI_RESERVE(1);
226
+};
227
+
228
+enum usb_pd_svdm_ver {
229
+	SVDM_VER_1_0 = 0,
230
+	SVDM_VER_2_0 = 1,
231
+	SVDM_VER_MAX = SVDM_VER_2_0,
177232 };
178233 
179234 /*
....@@ -182,16 +237,12 @@
182237  * @data: Supported data role of the port
183238  * @revision: USB Type-C Specification release. Binary coded decimal
184239  * @pd_revision: USB Power Delivery Specification revision if supported
240
+ * @svdm_version: USB PD Structured VDM version if supported
185241  * @prefer_role: Initial role preference (DRP ports).
186242  * @accessory: Supported Accessory Modes
187
- * @sw: Cable plug orientation switch
188
- * @mux: Multiplexer switch for Alternate/Accessory Modes
189243  * @fwnode: Optional fwnode of the port
190
- * @try_role: Set data role preference for DRP port
191
- * @dr_set: Set Data Role
192
- * @pr_set: Set Power Role
193
- * @vconn_set: Set VCONN Role
194
- * @port_type_set: Set port type
244
+ * @driver_data: Private pointer for driver specific info
245
+ * @ops: Port operations vector
195246  *
196247  * Static capabilities of a single USB Type-C port.
197248  */
....@@ -200,24 +251,16 @@
200251 	enum typec_port_data	data;
201252 	u16			revision; /* 0120H = "1.2" */
202253 	u16			pd_revision; /* 0300H = "3.0" */
254
+	enum usb_pd_svdm_ver	svdm_version;
203255 	int			prefer_role;
204256 	enum typec_accessory	accessory[TYPEC_MAX_ACCESSORY];
257
+	unsigned int		orientation_aware:1;
205258 
206
-	struct typec_switch	*sw;
207
-	struct typec_mux	*mux;
208259 	struct fwnode_handle	*fwnode;
260
+	void			*driver_data;
209261 
210
-	int		(*try_role)(const struct typec_capability *,
211
-				    int role);
212
-
213
-	int		(*dr_set)(const struct typec_capability *,
214
-				  enum typec_data_role);
215
-	int		(*pr_set)(const struct typec_capability *,
216
-				  enum typec_role);
217
-	int		(*vconn_set)(const struct typec_capability *,
218
-				     enum typec_role);
219
-	int		(*port_type_set)(const struct typec_capability *,
220
-					 enum typec_port_type);
262
+	const struct typec_operations	*ops;
263
+	ANDROID_KABI_RESERVE(1);
221264 };
222265 
223266 /* Specific to try_role(). Indicates the user want's to clear the preference. */
....@@ -235,6 +278,10 @@
235278 					 struct typec_cable_desc *desc);
236279 void typec_unregister_cable(struct typec_cable *cable);
237280 
281
+struct typec_cable *typec_cable_get(struct typec_port *port);
282
+void typec_cable_put(struct typec_cable *cable);
283
+int typec_cable_is_active(struct typec_cable *cable);
284
+
238285 struct typec_plug *typec_register_plug(struct typec_cable *cable,
239286 				       struct typec_plug_desc *desc);
240287 void typec_unregister_plug(struct typec_plug *plug);
....@@ -249,7 +296,15 @@
249296 enum typec_orientation typec_get_orientation(struct typec_port *port);
250297 int typec_set_mode(struct typec_port *port, int mode);
251298 
299
+void *typec_get_drvdata(struct typec_port *port);
300
+
301
+int typec_find_pwr_opmode(const char *name);
302
+int typec_find_orientation(const char *name);
252303 int typec_find_port_power_role(const char *name);
253304 int typec_find_power_role(const char *name);
254305 int typec_find_port_data_role(const char *name);
306
+
307
+void typec_partner_set_svdm_version(struct typec_partner *partner,
308
+				    enum usb_pd_svdm_ver svdm_version);
309
+int typec_get_negotiated_svdm_version(struct typec_port *port);
255310 #endif /* __LINUX_USB_TYPEC_H */