xref: /openbmc/linux/drivers/usb/typec/ucsi/ucsi.h (revision 3b9f2d93)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 
3 #ifndef __DRIVER_USB_TYPEC_UCSI_H
4 #define __DRIVER_USB_TYPEC_UCSI_H
5 
6 #include <linux/bitops.h>
7 #include <linux/device.h>
8 #include <linux/power_supply.h>
9 #include <linux/types.h>
10 #include <linux/usb/typec.h>
11 #include <linux/usb/pd.h>
12 #include <linux/usb/role.h>
13 
14 /* -------------------------------------------------------------------------- */
15 
16 struct ucsi;
17 struct ucsi_altmode;
18 struct dentry;
19 
20 /* UCSI offsets (Bytes) */
21 #define UCSI_VERSION			0
22 #define UCSI_CCI			4
23 #define UCSI_CONTROL			8
24 #define UCSI_MESSAGE_IN			16
25 #define UCSI_MESSAGE_OUT		32
26 #define UCSIv2_MESSAGE_OUT		272
27 
28 /* UCSI versions */
29 #define UCSI_VERSION_1_2	0x0120
30 #define UCSI_VERSION_2_0	0x0200
31 #define UCSI_VERSION_2_1	0x0210
32 #define UCSI_VERSION_3_0	0x0300
33 
34 #define UCSI_BCD_GET_MAJOR(_v_)		(((_v_) >> 8) & 0xFF)
35 #define UCSI_BCD_GET_MINOR(_v_)		(((_v_) >> 4) & 0x0F)
36 #define UCSI_BCD_GET_SUBMINOR(_v_)	((_v_) & 0x0F)
37 
38 /* Command Status and Connector Change Indication (CCI) bits */
39 #define UCSI_CCI_CONNECTOR(_c_)		(((_c_) & GENMASK(7, 1)) >> 1)
40 #define UCSI_CCI_LENGTH(_c_)		(((_c_) & GENMASK(15, 8)) >> 8)
41 #define UCSI_CCI_NOT_SUPPORTED		BIT(25)
42 #define UCSI_CCI_CANCEL_COMPLETE	BIT(26)
43 #define UCSI_CCI_RESET_COMPLETE		BIT(27)
44 #define UCSI_CCI_BUSY			BIT(28)
45 #define UCSI_CCI_ACK_COMPLETE		BIT(29)
46 #define UCSI_CCI_ERROR			BIT(30)
47 #define UCSI_CCI_COMMAND_COMPLETE	BIT(31)
48 
49 /**
50  * struct ucsi_operations - UCSI I/O operations
51  * @read: Read operation
52  * @sync_write: Blocking write operation
53  * @async_write: Non-blocking write operation
54  * @update_altmodes: Squashes duplicate DP altmodes
55  *
56  * Read and write routines for UCSI interface. @sync_write must wait for the
57  * Command Completion Event from the PPM before returning, and @async_write must
58  * return immediately after sending the data to the PPM.
59  */
60 struct ucsi_operations {
61 	int (*read)(struct ucsi *ucsi, unsigned int offset,
62 		    void *val, size_t val_len);
63 	int (*sync_write)(struct ucsi *ucsi, unsigned int offset,
64 			  const void *val, size_t val_len);
65 	int (*async_write)(struct ucsi *ucsi, unsigned int offset,
66 			   const void *val, size_t val_len);
67 	bool (*update_altmodes)(struct ucsi *ucsi, struct ucsi_altmode *orig,
68 				struct ucsi_altmode *updated);
69 };
70 
71 struct ucsi *ucsi_create(struct device *dev, const struct ucsi_operations *ops);
72 void ucsi_destroy(struct ucsi *ucsi);
73 int ucsi_register(struct ucsi *ucsi);
74 void ucsi_unregister(struct ucsi *ucsi);
75 void *ucsi_get_drvdata(struct ucsi *ucsi);
76 void ucsi_set_drvdata(struct ucsi *ucsi, void *data);
77 
78 void ucsi_connector_change(struct ucsi *ucsi, u8 num);
79 
80 /* -------------------------------------------------------------------------- */
81 
82 /* Commands */
83 #define UCSI_PPM_RESET			0x01
84 #define UCSI_CANCEL			0x02
85 #define UCSI_CONNECTOR_RESET		0x03
86 #define UCSI_ACK_CC_CI			0x04
87 #define UCSI_SET_NOTIFICATION_ENABLE	0x05
88 #define UCSI_GET_CAPABILITY		0x06
89 #define UCSI_GET_CONNECTOR_CAPABILITY	0x07
90 #define UCSI_SET_UOM			0x08
91 #define UCSI_SET_UOR			0x09
92 #define UCSI_SET_PDM			0x0a
93 #define UCSI_SET_PDR			0x0b
94 #define UCSI_GET_ALTERNATE_MODES	0x0c
95 #define UCSI_GET_CAM_SUPPORTED		0x0d
96 #define UCSI_GET_CURRENT_CAM		0x0e
97 #define UCSI_SET_NEW_CAM		0x0f
98 #define UCSI_GET_PDOS			0x10
99 #define UCSI_GET_CABLE_PROPERTY		0x11
100 #define UCSI_GET_CONNECTOR_STATUS	0x12
101 #define UCSI_GET_ERROR_STATUS		0x13
102 
103 #define UCSI_CONNECTOR_NUMBER(_num_)		((u64)(_num_) << 16)
104 #define UCSI_COMMAND(_cmd_)			((_cmd_) & 0xff)
105 
106 /* CONNECTOR_RESET command bits */
107 #define UCSI_CONNECTOR_RESET_HARD		BIT(23) /* Deprecated in v1.1 */
108 
109 /* ACK_CC_CI bits */
110 #define UCSI_ACK_CONNECTOR_CHANGE		BIT(16)
111 #define UCSI_ACK_COMMAND_COMPLETE		BIT(17)
112 
113 /* SET_NOTIFICATION_ENABLE command bits */
114 #define UCSI_ENABLE_NTFY_CMD_COMPLETE		BIT(16)
115 #define UCSI_ENABLE_NTFY_EXT_PWR_SRC_CHANGE	BIT(17)
116 #define UCSI_ENABLE_NTFY_PWR_OPMODE_CHANGE	BIT(18)
117 #define UCSI_ENABLE_NTFY_CAP_CHANGE		BIT(21)
118 #define UCSI_ENABLE_NTFY_PWR_LEVEL_CHANGE	BIT(22)
119 #define UCSI_ENABLE_NTFY_PD_RESET_COMPLETE	BIT(23)
120 #define UCSI_ENABLE_NTFY_CAM_CHANGE		BIT(24)
121 #define UCSI_ENABLE_NTFY_BAT_STATUS_CHANGE	BIT(25)
122 #define UCSI_ENABLE_NTFY_PARTNER_CHANGE		BIT(27)
123 #define UCSI_ENABLE_NTFY_PWR_DIR_CHANGE		BIT(28)
124 #define UCSI_ENABLE_NTFY_CONNECTOR_CHANGE	BIT(30)
125 #define UCSI_ENABLE_NTFY_ERROR			BIT(31)
126 #define UCSI_ENABLE_NTFY_ALL			0xdbe70000
127 
128 /* SET_UOR command bits */
129 #define UCSI_SET_UOR_ROLE(_r_)		(((_r_) == TYPEC_HOST ? 1 : 2) << 23)
130 #define UCSI_SET_UOR_ACCEPT_ROLE_SWAPS		BIT(25)
131 
132 /* SET_PDF command bits */
133 #define UCSI_SET_PDR_ROLE(_r_)		(((_r_) == TYPEC_SOURCE ? 1 : 2) << 23)
134 #define UCSI_SET_PDR_ACCEPT_ROLE_SWAPS		BIT(25)
135 
136 /* GET_ALTERNATE_MODES command bits */
137 #define UCSI_ALTMODE_RECIPIENT(_r_)		(((_r_) >> 16) & 0x7)
138 #define UCSI_GET_ALTMODE_RECIPIENT(_r_)		((u64)(_r_) << 16)
139 #define   UCSI_RECIPIENT_CON			0
140 #define   UCSI_RECIPIENT_SOP			1
141 #define   UCSI_RECIPIENT_SOP_P			2
142 #define   UCSI_RECIPIENT_SOP_PP			3
143 #define UCSI_GET_ALTMODE_CONNECTOR_NUMBER(_r_)	((u64)(_r_) << 24)
144 #define UCSI_ALTMODE_OFFSET(_r_)		(((_r_) >> 32) & 0xff)
145 #define UCSI_GET_ALTMODE_OFFSET(_r_)		((u64)(_r_) << 32)
146 #define UCSI_GET_ALTMODE_NUM_ALTMODES(_r_)	((u64)(_r_) << 40)
147 
148 /* GET_PDOS command bits */
149 #define UCSI_GET_PDOS_PARTNER_PDO(_r_)		((u64)(_r_) << 23)
150 #define UCSI_GET_PDOS_PDO_OFFSET(_r_)		((u64)(_r_) << 24)
151 #define UCSI_GET_PDOS_NUM_PDOS(_r_)		((u64)(_r_) << 32)
152 #define UCSI_MAX_PDOS				(4)
153 #define UCSI_GET_PDOS_SRC_PDOS			((u64)1 << 34)
154 
155 /* -------------------------------------------------------------------------- */
156 
157 /* Error information returned by PPM in response to GET_ERROR_STATUS command. */
158 #define UCSI_ERROR_UNREGONIZED_CMD		BIT(0)
159 #define UCSI_ERROR_INVALID_CON_NUM		BIT(1)
160 #define UCSI_ERROR_INVALID_CMD_ARGUMENT		BIT(2)
161 #define UCSI_ERROR_INCOMPATIBLE_PARTNER		BIT(3)
162 #define UCSI_ERROR_CC_COMMUNICATION_ERR		BIT(4)
163 #define UCSI_ERROR_DEAD_BATTERY			BIT(5)
164 #define UCSI_ERROR_CONTRACT_NEGOTIATION_FAIL	BIT(6)
165 #define UCSI_ERROR_OVERCURRENT			BIT(7)
166 #define UCSI_ERROR_UNDEFINED			BIT(8)
167 #define UCSI_ERROR_PARTNER_REJECTED_SWAP	BIT(9)
168 #define UCSI_ERROR_HARD_RESET			BIT(10)
169 #define UCSI_ERROR_PPM_POLICY_CONFLICT		BIT(11)
170 #define UCSI_ERROR_SWAP_REJECTED		BIT(12)
171 
172 #define UCSI_SET_NEW_CAM_ENTER(x)		(((x) >> 23) & 0x1)
173 #define UCSI_SET_NEW_CAM_GET_AM(x)		(((x) >> 24) & 0xff)
174 #define UCSI_SET_NEW_CAM_AM_MASK		(0xff << 24)
175 #define UCSI_SET_NEW_CAM_SET_AM(x)		(((x) & 0xff) << 24)
176 #define UCSI_CMD_CONNECTOR_MASK			(0x7)
177 
178 /* Data structure filled by PPM in response to GET_CAPABILITY command. */
179 struct ucsi_capability {
180 	u32 attributes;
181 #define UCSI_CAP_ATTR_DISABLE_STATE		BIT(0)
182 #define UCSI_CAP_ATTR_BATTERY_CHARGING		BIT(1)
183 #define UCSI_CAP_ATTR_USB_PD			BIT(2)
184 #define UCSI_CAP_ATTR_TYPEC_CURRENT		BIT(6)
185 #define UCSI_CAP_ATTR_POWER_AC_SUPPLY		BIT(8)
186 #define UCSI_CAP_ATTR_POWER_OTHER		BIT(10)
187 #define UCSI_CAP_ATTR_POWER_VBUS		BIT(14)
188 	u8 num_connectors;
189 	u8 features;
190 #define UCSI_CAP_SET_UOM			BIT(0)
191 #define UCSI_CAP_SET_PDM			BIT(1)
192 #define UCSI_CAP_ALT_MODE_DETAILS		BIT(2)
193 #define UCSI_CAP_ALT_MODE_OVERRIDE		BIT(3)
194 #define UCSI_CAP_PDO_DETAILS			BIT(4)
195 #define UCSI_CAP_CABLE_DETAILS			BIT(5)
196 #define UCSI_CAP_EXT_SUPPLY_NOTIFICATIONS	BIT(6)
197 #define UCSI_CAP_PD_RESET			BIT(7)
198 	u16 reserved_1;
199 	u8 num_alt_modes;
200 	u8 reserved_2;
201 	u16 bc_version;
202 	u16 pd_version;
203 	u16 typec_version;
204 } __packed;
205 
206 /* Data structure filled by PPM in response to GET_CONNECTOR_CAPABILITY cmd. */
207 struct ucsi_connector_capability {
208 	u8 op_mode;
209 #define UCSI_CONCAP_OPMODE_DFP			BIT(0)
210 #define UCSI_CONCAP_OPMODE_UFP			BIT(1)
211 #define UCSI_CONCAP_OPMODE_DRP			BIT(2)
212 #define UCSI_CONCAP_OPMODE_AUDIO_ACCESSORY	BIT(3)
213 #define UCSI_CONCAP_OPMODE_DEBUG_ACCESSORY	BIT(4)
214 #define UCSI_CONCAP_OPMODE_USB2			BIT(5)
215 #define UCSI_CONCAP_OPMODE_USB3			BIT(6)
216 #define UCSI_CONCAP_OPMODE_ALT_MODE		BIT(7)
217 	u8 flags;
218 #define UCSI_CONCAP_FLAG_PROVIDER		BIT(0)
219 #define UCSI_CONCAP_FLAG_CONSUMER		BIT(1)
220 } __packed;
221 
222 struct ucsi_altmode {
223 	u16 svid;
224 	u32 mid;
225 } __packed;
226 
227 /* Data structure filled by PPM in response to GET_CABLE_PROPERTY command. */
228 struct ucsi_cable_property {
229 	u16 speed_supported;
230 	u8 current_capability;
231 	u8 flags;
232 #define UCSI_CABLE_PROP_FLAG_VBUS_IN_CABLE	BIT(0)
233 #define UCSI_CABLE_PROP_FLAG_ACTIVE_CABLE	BIT(1)
234 #define UCSI_CABLE_PROP_FLAG_DIRECTIONALITY	BIT(2)
235 #define UCSI_CABLE_PROP_FLAG_PLUG_TYPE(_f_)	(((_f_) & GENMASK(4, 3)) >> 3)
236 #define   UCSI_CABLE_PROPERTY_PLUG_TYPE_A	0
237 #define   UCSI_CABLE_PROPERTY_PLUG_TYPE_B	1
238 #define   UCSI_CABLE_PROPERTY_PLUG_TYPE_C	2
239 #define   UCSI_CABLE_PROPERTY_PLUG_OTHER	3
240 #define UCSI_CABLE_PROP_FLAG_MODE_SUPPORT	BIT(5)
241 	u8 latency;
242 } __packed;
243 
244 /* Data structure filled by PPM in response to GET_CONNECTOR_STATUS command. */
245 struct ucsi_connector_status {
246 	u16 change;
247 #define UCSI_CONSTAT_EXT_SUPPLY_CHANGE		BIT(1)
248 #define UCSI_CONSTAT_POWER_OPMODE_CHANGE	BIT(2)
249 #define UCSI_CONSTAT_PDOS_CHANGE		BIT(5)
250 #define UCSI_CONSTAT_POWER_LEVEL_CHANGE		BIT(6)
251 #define UCSI_CONSTAT_PD_RESET_COMPLETE		BIT(7)
252 #define UCSI_CONSTAT_CAM_CHANGE			BIT(8)
253 #define UCSI_CONSTAT_BC_CHANGE			BIT(9)
254 #define UCSI_CONSTAT_PARTNER_CHANGE		BIT(11)
255 #define UCSI_CONSTAT_POWER_DIR_CHANGE		BIT(12)
256 #define UCSI_CONSTAT_CONNECT_CHANGE		BIT(14)
257 #define UCSI_CONSTAT_ERROR			BIT(15)
258 	u16 flags;
259 #define UCSI_CONSTAT_PWR_OPMODE(_f_)		((_f_) & GENMASK(2, 0))
260 #define   UCSI_CONSTAT_PWR_OPMODE_NONE		0
261 #define   UCSI_CONSTAT_PWR_OPMODE_DEFAULT	1
262 #define   UCSI_CONSTAT_PWR_OPMODE_BC		2
263 #define   UCSI_CONSTAT_PWR_OPMODE_PD		3
264 #define   UCSI_CONSTAT_PWR_OPMODE_TYPEC1_5	4
265 #define   UCSI_CONSTAT_PWR_OPMODE_TYPEC3_0	5
266 #define UCSI_CONSTAT_CONNECTED			BIT(3)
267 #define UCSI_CONSTAT_PWR_DIR			BIT(4)
268 #define UCSI_CONSTAT_PARTNER_FLAGS(_f_)		(((_f_) & GENMASK(12, 5)) >> 5)
269 #define   UCSI_CONSTAT_PARTNER_FLAG_USB		1
270 #define   UCSI_CONSTAT_PARTNER_FLAG_ALT_MODE	2
271 #define UCSI_CONSTAT_PARTNER_TYPE(_f_)		(((_f_) & GENMASK(15, 13)) >> 13)
272 #define   UCSI_CONSTAT_PARTNER_TYPE_DFP		1
273 #define   UCSI_CONSTAT_PARTNER_TYPE_UFP		2
274 #define   UCSI_CONSTAT_PARTNER_TYPE_CABLE	3 /* Powered Cable */
275 #define   UCSI_CONSTAT_PARTNER_TYPE_CABLE_AND_UFP	4 /* Powered Cable */
276 #define   UCSI_CONSTAT_PARTNER_TYPE_DEBUG	5
277 #define   UCSI_CONSTAT_PARTNER_TYPE_AUDIO	6
278 	u32 request_data_obj;
279 	u8 pwr_status;
280 #define UCSI_CONSTAT_BC_STATUS(_p_)		((_p_) & GENMASK(2, 0))
281 #define   UCSI_CONSTAT_BC_NOT_CHARGING		0
282 #define   UCSI_CONSTAT_BC_NOMINAL_CHARGING	1
283 #define   UCSI_CONSTAT_BC_SLOW_CHARGING		2
284 #define   UCSI_CONSTAT_BC_TRICKLE_CHARGING	3
285 #define UCSI_CONSTAT_PROVIDER_CAP_LIMIT(_p_)	(((_p_) & GENMASK(6, 3)) >> 3)
286 #define   UCSI_CONSTAT_CAP_PWR_LOWERED		0
287 #define   UCSI_CONSTAT_CAP_PWR_BUDGET_LIMIT	1
288 } __packed;
289 
290 /* -------------------------------------------------------------------------- */
291 
292 struct ucsi_debugfs_entry {
293 	u64 command;
294 	struct ucsi_data {
295 		u64 low;
296 		u64 high;
297 	} response;
298 	u32 status;
299 	struct dentry *dentry;
300 };
301 
302 struct ucsi {
303 	u16 version;
304 	struct device *dev;
305 	struct driver_data *driver_data;
306 
307 	const struct ucsi_operations *ops;
308 
309 	struct ucsi_capability cap;
310 	struct ucsi_connector *connector;
311 	struct ucsi_debugfs_entry *debugfs;
312 
313 	struct work_struct resume_work;
314 	struct delayed_work work;
315 	int work_count;
316 #define UCSI_ROLE_SWITCH_RETRY_PER_HZ	10
317 #define UCSI_ROLE_SWITCH_INTERVAL	(HZ / UCSI_ROLE_SWITCH_RETRY_PER_HZ)
318 #define UCSI_ROLE_SWITCH_WAIT_COUNT	(10 * UCSI_ROLE_SWITCH_RETRY_PER_HZ)
319 
320 	/* PPM Communication lock */
321 	struct mutex ppm_lock;
322 
323 	/* The latest "Notification Enable" bits (SET_NOTIFICATION_ENABLE) */
324 	u64 ntfy;
325 
326 	/* PPM communication flags */
327 	unsigned long flags;
328 #define EVENT_PENDING	0
329 #define COMMAND_PENDING	1
330 #define ACK_PENDING	2
331 };
332 
333 #define UCSI_MAX_SVID		5
334 #define UCSI_MAX_ALTMODES	(UCSI_MAX_SVID * 6)
335 
336 #define UCSI_TYPEC_VSAFE5V	5000
337 #define UCSI_TYPEC_1_5_CURRENT	1500
338 #define UCSI_TYPEC_3_0_CURRENT	3000
339 
340 struct ucsi_connector {
341 	int num;
342 
343 	struct ucsi *ucsi;
344 	struct mutex lock; /* port lock */
345 	struct work_struct work;
346 	struct completion complete;
347 	struct workqueue_struct *wq;
348 	struct list_head partner_tasks;
349 
350 	struct typec_port *port;
351 	struct typec_partner *partner;
352 
353 	struct typec_altmode *port_altmode[UCSI_MAX_ALTMODES];
354 	struct typec_altmode *partner_altmode[UCSI_MAX_ALTMODES];
355 
356 	struct typec_capability typec_cap;
357 
358 	struct ucsi_connector_status status;
359 	struct ucsi_connector_capability cap;
360 	struct power_supply *psy;
361 	struct power_supply_desc psy_desc;
362 	u32 rdo;
363 	u32 src_pdos[PDO_MAX_OBJECTS];
364 	int num_pdos;
365 
366 	/* USB PD objects */
367 	struct usb_power_delivery *pd;
368 	struct usb_power_delivery_capabilities *port_source_caps;
369 	struct usb_power_delivery_capabilities *port_sink_caps;
370 	struct usb_power_delivery *partner_pd;
371 	struct usb_power_delivery_capabilities *partner_source_caps;
372 	struct usb_power_delivery_capabilities *partner_sink_caps;
373 
374 	struct usb_role_switch *usb_role_sw;
375 };
376 
377 int ucsi_send_command(struct ucsi *ucsi, u64 command,
378 		      void *retval, size_t size);
379 
380 void ucsi_altmode_update_active(struct ucsi_connector *con);
381 int ucsi_resume(struct ucsi *ucsi);
382 
383 #if IS_ENABLED(CONFIG_POWER_SUPPLY)
384 int ucsi_register_port_psy(struct ucsi_connector *con);
385 void ucsi_unregister_port_psy(struct ucsi_connector *con);
386 void ucsi_port_psy_changed(struct ucsi_connector *con);
387 #else
ucsi_register_port_psy(struct ucsi_connector * con)388 static inline int ucsi_register_port_psy(struct ucsi_connector *con) { return 0; }
ucsi_unregister_port_psy(struct ucsi_connector * con)389 static inline void ucsi_unregister_port_psy(struct ucsi_connector *con) { }
ucsi_port_psy_changed(struct ucsi_connector * con)390 static inline void ucsi_port_psy_changed(struct ucsi_connector *con) { }
391 #endif /* CONFIG_POWER_SUPPLY */
392 
393 #if IS_ENABLED(CONFIG_TYPEC_DP_ALTMODE)
394 struct typec_altmode *
395 ucsi_register_displayport(struct ucsi_connector *con,
396 			  bool override, int offset,
397 			  struct typec_altmode_desc *desc);
398 
399 void ucsi_displayport_remove_partner(struct typec_altmode *adev);
400 
401 #else
402 static inline struct typec_altmode *
ucsi_register_displayport(struct ucsi_connector * con,bool override,int offset,struct typec_altmode_desc * desc)403 ucsi_register_displayport(struct ucsi_connector *con,
404 			  bool override, int offset,
405 			  struct typec_altmode_desc *desc)
406 {
407 	return typec_port_register_altmode(con->port, desc);
408 }
409 
410 static inline void
ucsi_displayport_remove_partner(struct typec_altmode * adev)411 ucsi_displayport_remove_partner(struct typec_altmode *adev) { }
412 #endif /* CONFIG_TYPEC_DP_ALTMODE */
413 
414 #ifdef CONFIG_DEBUG_FS
415 void ucsi_debugfs_init(void);
416 void ucsi_debugfs_exit(void);
417 void ucsi_debugfs_register(struct ucsi *ucsi);
418 void ucsi_debugfs_unregister(struct ucsi *ucsi);
419 #else
ucsi_debugfs_init(void)420 static inline void ucsi_debugfs_init(void) { }
ucsi_debugfs_exit(void)421 static inline void ucsi_debugfs_exit(void) { }
ucsi_debugfs_register(struct ucsi * ucsi)422 static inline void ucsi_debugfs_register(struct ucsi *ucsi) { }
ucsi_debugfs_unregister(struct ucsi * ucsi)423 static inline void ucsi_debugfs_unregister(struct ucsi *ucsi) { }
424 #endif /* CONFIG_DEBUG_FS */
425 
426 /*
427  * NVIDIA VirtualLink (svid 0x955) has two altmode. VirtualLink
428  * DP mode with vdo=0x1 and NVIDIA test mode with vdo=0x3
429  */
430 #define USB_TYPEC_NVIDIA_VLINK_DP_VDO	0x1
431 #define USB_TYPEC_NVIDIA_VLINK_DBG_VDO	0x3
432 
433 #endif /* __DRIVER_USB_TYPEC_UCSI_H */
434