1 /* SPDX-License-Identifier: GPL-2.0 */
3 #ifndef __DRIVER_USB_TYPEC_UCSI_H
4 #define __DRIVER_USB_TYPEC_UCSI_H
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 #include <asm/unaligned.h>
15 /* -------------------------------------------------------------------------- */
21 /* UCSI offsets (Bytes) */
22 #define UCSI_VERSION 0
24 #define UCSI_CONTROL 8
25 #define UCSI_MESSAGE_IN 16
26 #define UCSI_MESSAGE_OUT 32
27 #define UCSIv2_MESSAGE_OUT 272
30 #define UCSI_VERSION_1_2 0x0120
31 #define UCSI_VERSION_2_0 0x0200
32 #define UCSI_VERSION_2_1 0x0210
33 #define UCSI_VERSION_3_0 0x0300
35 #define UCSI_BCD_GET_MAJOR(_v_) (((_v_) >> 8) & 0xFF)
36 #define UCSI_BCD_GET_MINOR(_v_) (((_v_) >> 4) & 0x0F)
37 #define UCSI_BCD_GET_SUBMINOR(_v_) ((_v_) & 0x0F)
40 * Per USB PD 3.2, Section 6.2.1.1.5, the spec revision is represented by 2 bits
41 * 0b00 = 1.0, 0b01 = 2.0, 0b10 = 3.0, 0b11 = Reserved, Shall NOT be used.
43 #define UCSI_SPEC_REVISION_TO_BCD(_v_) (((_v_) + 1) << 8)
45 /* Command Status and Connector Change Indication (CCI) bits */
46 #define UCSI_CCI_CONNECTOR(_c_) (((_c_) & GENMASK(7, 1)) >> 1)
47 #define UCSI_CCI_LENGTH(_c_) (((_c_) & GENMASK(15, 8)) >> 8)
48 #define UCSI_CCI_NOT_SUPPORTED BIT(25)
49 #define UCSI_CCI_CANCEL_COMPLETE BIT(26)
50 #define UCSI_CCI_RESET_COMPLETE BIT(27)
51 #define UCSI_CCI_BUSY BIT(28)
52 #define UCSI_CCI_ACK_COMPLETE BIT(29)
53 #define UCSI_CCI_ERROR BIT(30)
54 #define UCSI_CCI_COMMAND_COMPLETE BIT(31)
57 * struct ucsi_operations - UCSI I/O operations
58 * @read: Read operation
59 * @sync_write: Blocking write operation
60 * @async_write: Non-blocking write operation
61 * @update_altmodes: Squashes duplicate DP altmodes
63 * Read and write routines for UCSI interface. @sync_write must wait for the
64 * Command Completion Event from the PPM before returning, and @async_write must
65 * return immediately after sending the data to the PPM.
67 struct ucsi_operations {
68 int (*read)(struct ucsi *ucsi, unsigned int offset,
69 void *val, size_t val_len);
70 int (*sync_write)(struct ucsi *ucsi, unsigned int offset,
71 const void *val, size_t val_len);
72 int (*async_write)(struct ucsi *ucsi, unsigned int offset,
73 const void *val, size_t val_len);
74 bool (*update_altmodes)(struct ucsi *ucsi, struct ucsi_altmode *orig,
75 struct ucsi_altmode *updated);
78 struct ucsi *ucsi_create(struct device *dev, const struct ucsi_operations *ops);
79 void ucsi_destroy(struct ucsi *ucsi);
80 int ucsi_register(struct ucsi *ucsi);
81 void ucsi_unregister(struct ucsi *ucsi);
82 void *ucsi_get_drvdata(struct ucsi *ucsi);
83 void ucsi_set_drvdata(struct ucsi *ucsi, void *data);
85 void ucsi_connector_change(struct ucsi *ucsi, u8 num);
87 /* -------------------------------------------------------------------------- */
90 #define UCSI_PPM_RESET 0x01
91 #define UCSI_CANCEL 0x02
92 #define UCSI_CONNECTOR_RESET 0x03
93 #define UCSI_ACK_CC_CI 0x04
94 #define UCSI_SET_NOTIFICATION_ENABLE 0x05
95 #define UCSI_GET_CAPABILITY 0x06
96 #define UCSI_GET_CONNECTOR_CAPABILITY 0x07
97 #define UCSI_SET_UOM 0x08
98 #define UCSI_SET_UOR 0x09
99 #define UCSI_SET_PDM 0x0a
100 #define UCSI_SET_PDR 0x0b
101 #define UCSI_GET_ALTERNATE_MODES 0x0c
102 #define UCSI_GET_CAM_SUPPORTED 0x0d
103 #define UCSI_GET_CURRENT_CAM 0x0e
104 #define UCSI_SET_NEW_CAM 0x0f
105 #define UCSI_GET_PDOS 0x10
106 #define UCSI_GET_CABLE_PROPERTY 0x11
107 #define UCSI_GET_CONNECTOR_STATUS 0x12
108 #define UCSI_GET_ERROR_STATUS 0x13
109 #define UCSI_GET_PD_MESSAGE 0x15
111 #define UCSI_CONNECTOR_NUMBER(_num_) ((u64)(_num_) << 16)
112 #define UCSI_COMMAND(_cmd_) ((_cmd_) & 0xff)
114 /* CONNECTOR_RESET command bits */
115 #define UCSI_CONNECTOR_RESET_HARD BIT(23) /* Deprecated in v1.1 */
118 #define UCSI_ACK_CONNECTOR_CHANGE BIT(16)
119 #define UCSI_ACK_COMMAND_COMPLETE BIT(17)
121 /* SET_NOTIFICATION_ENABLE command bits */
122 #define UCSI_ENABLE_NTFY_CMD_COMPLETE BIT(16)
123 #define UCSI_ENABLE_NTFY_EXT_PWR_SRC_CHANGE BIT(17)
124 #define UCSI_ENABLE_NTFY_PWR_OPMODE_CHANGE BIT(18)
125 #define UCSI_ENABLE_NTFY_CAP_CHANGE BIT(21)
126 #define UCSI_ENABLE_NTFY_PWR_LEVEL_CHANGE BIT(22)
127 #define UCSI_ENABLE_NTFY_PD_RESET_COMPLETE BIT(23)
128 #define UCSI_ENABLE_NTFY_CAM_CHANGE BIT(24)
129 #define UCSI_ENABLE_NTFY_BAT_STATUS_CHANGE BIT(25)
130 #define UCSI_ENABLE_NTFY_PARTNER_CHANGE BIT(27)
131 #define UCSI_ENABLE_NTFY_PWR_DIR_CHANGE BIT(28)
132 #define UCSI_ENABLE_NTFY_CONNECTOR_CHANGE BIT(30)
133 #define UCSI_ENABLE_NTFY_ERROR BIT(31)
134 #define UCSI_ENABLE_NTFY_ALL 0xdbe70000
136 /* SET_UOR command bits */
137 #define UCSI_SET_UOR_ROLE(_r_) (((_r_) == TYPEC_HOST ? 1 : 2) << 23)
138 #define UCSI_SET_UOR_ACCEPT_ROLE_SWAPS BIT(25)
140 /* SET_PDF command bits */
141 #define UCSI_SET_PDR_ROLE(_r_) (((_r_) == TYPEC_SOURCE ? 1 : 2) << 23)
142 #define UCSI_SET_PDR_ACCEPT_ROLE_SWAPS BIT(25)
144 /* GET_ALTERNATE_MODES command bits */
145 #define UCSI_ALTMODE_RECIPIENT(_r_) (((_r_) >> 16) & 0x7)
146 #define UCSI_GET_ALTMODE_RECIPIENT(_r_) ((u64)(_r_) << 16)
147 #define UCSI_RECIPIENT_CON 0
148 #define UCSI_RECIPIENT_SOP 1
149 #define UCSI_RECIPIENT_SOP_P 2
150 #define UCSI_RECIPIENT_SOP_PP 3
151 #define UCSI_GET_ALTMODE_CONNECTOR_NUMBER(_r_) ((u64)(_r_) << 24)
152 #define UCSI_ALTMODE_OFFSET(_r_) (((_r_) >> 32) & 0xff)
153 #define UCSI_GET_ALTMODE_OFFSET(_r_) ((u64)(_r_) << 32)
154 #define UCSI_GET_ALTMODE_NUM_ALTMODES(_r_) ((u64)(_r_) << 40)
156 /* GET_PDOS command bits */
157 #define UCSI_GET_PDOS_PARTNER_PDO(_r_) ((u64)(_r_) << 23)
158 #define UCSI_GET_PDOS_PDO_OFFSET(_r_) ((u64)(_r_) << 24)
159 #define UCSI_GET_PDOS_NUM_PDOS(_r_) ((u64)(_r_) << 32)
160 #define UCSI_MAX_PDOS (4)
161 #define UCSI_GET_PDOS_SRC_PDOS ((u64)1 << 34)
163 /* GET_PD_MESSAGE command bits */
164 #define UCSI_GET_PD_MESSAGE_RECIPIENT(_r_) ((u64)(_r_) << 23)
165 #define UCSI_GET_PD_MESSAGE_OFFSET(_r_) ((u64)(_r_) << 26)
166 #define UCSI_GET_PD_MESSAGE_BYTES(_r_) ((u64)(_r_) << 34)
167 #define UCSI_GET_PD_MESSAGE_TYPE(_r_) ((u64)(_r_) << 42)
168 #define UCSI_GET_PD_MESSAGE_TYPE_SNK_CAP_EXT 0
169 #define UCSI_GET_PD_MESSAGE_TYPE_SRC_CAP_EXT 1
170 #define UCSI_GET_PD_MESSAGE_TYPE_BAT_CAP 2
171 #define UCSI_GET_PD_MESSAGE_TYPE_BAT_STAT 3
172 #define UCSI_GET_PD_MESSAGE_TYPE_IDENTITY 4
173 #define UCSI_GET_PD_MESSAGE_TYPE_REVISION 5
175 /* -------------------------------------------------------------------------- */
177 /* Error information returned by PPM in response to GET_ERROR_STATUS command. */
178 #define UCSI_ERROR_UNREGONIZED_CMD BIT(0)
179 #define UCSI_ERROR_INVALID_CON_NUM BIT(1)
180 #define UCSI_ERROR_INVALID_CMD_ARGUMENT BIT(2)
181 #define UCSI_ERROR_INCOMPATIBLE_PARTNER BIT(3)
182 #define UCSI_ERROR_CC_COMMUNICATION_ERR BIT(4)
183 #define UCSI_ERROR_DEAD_BATTERY BIT(5)
184 #define UCSI_ERROR_CONTRACT_NEGOTIATION_FAIL BIT(6)
185 #define UCSI_ERROR_OVERCURRENT BIT(7)
186 #define UCSI_ERROR_UNDEFINED BIT(8)
187 #define UCSI_ERROR_PARTNER_REJECTED_SWAP BIT(9)
188 #define UCSI_ERROR_HARD_RESET BIT(10)
189 #define UCSI_ERROR_PPM_POLICY_CONFLICT BIT(11)
190 #define UCSI_ERROR_SWAP_REJECTED BIT(12)
192 #define UCSI_SET_NEW_CAM_ENTER(x) (((x) >> 23) & 0x1)
193 #define UCSI_SET_NEW_CAM_GET_AM(x) (((x) >> 24) & 0xff)
194 #define UCSI_SET_NEW_CAM_AM_MASK (0xff << 24)
195 #define UCSI_SET_NEW_CAM_SET_AM(x) (((x) & 0xff) << 24)
196 #define UCSI_CMD_CONNECTOR_MASK (0x7)
198 /* Data structure filled by PPM in response to GET_CAPABILITY command. */
199 struct ucsi_capability {
201 #define UCSI_CAP_ATTR_DISABLE_STATE BIT(0)
202 #define UCSI_CAP_ATTR_BATTERY_CHARGING BIT(1)
203 #define UCSI_CAP_ATTR_USB_PD BIT(2)
204 #define UCSI_CAP_ATTR_TYPEC_CURRENT BIT(6)
205 #define UCSI_CAP_ATTR_POWER_AC_SUPPLY BIT(8)
206 #define UCSI_CAP_ATTR_POWER_OTHER BIT(10)
207 #define UCSI_CAP_ATTR_POWER_VBUS BIT(14)
210 #define UCSI_CAP_SET_UOM BIT(0)
211 #define UCSI_CAP_SET_PDM BIT(1)
212 #define UCSI_CAP_ALT_MODE_DETAILS BIT(2)
213 #define UCSI_CAP_ALT_MODE_OVERRIDE BIT(3)
214 #define UCSI_CAP_PDO_DETAILS BIT(4)
215 #define UCSI_CAP_CABLE_DETAILS BIT(5)
216 #define UCSI_CAP_EXT_SUPPLY_NOTIFICATIONS BIT(6)
217 #define UCSI_CAP_PD_RESET BIT(7)
218 #define UCSI_CAP_GET_PD_MESSAGE BIT(8)
227 /* Data structure filled by PPM in response to GET_CONNECTOR_CAPABILITY cmd. */
228 struct ucsi_connector_capability {
230 #define UCSI_CONCAP_OPMODE_DFP BIT(0)
231 #define UCSI_CONCAP_OPMODE_UFP BIT(1)
232 #define UCSI_CONCAP_OPMODE_DRP BIT(2)
233 #define UCSI_CONCAP_OPMODE_AUDIO_ACCESSORY BIT(3)
234 #define UCSI_CONCAP_OPMODE_DEBUG_ACCESSORY BIT(4)
235 #define UCSI_CONCAP_OPMODE_USB2 BIT(5)
236 #define UCSI_CONCAP_OPMODE_USB3 BIT(6)
237 #define UCSI_CONCAP_OPMODE_ALT_MODE BIT(7)
239 #define UCSI_CONCAP_FLAG_PROVIDER BIT(0)
240 #define UCSI_CONCAP_FLAG_CONSUMER BIT(1)
241 #define UCSI_CONCAP_FLAG_SWAP_TO_DFP BIT(2)
242 #define UCSI_CONCAP_FLAG_SWAP_TO_UFP BIT(3)
243 #define UCSI_CONCAP_FLAG_SWAP_TO_SRC BIT(4)
244 #define UCSI_CONCAP_FLAG_SWAP_TO_SINK BIT(5)
245 #define UCSI_CONCAP_FLAG_EX_OP_MODE(_f_) \
246 (((_f_) & GENMASK(13, 6)) >> 6)
247 #define UCSI_CONCAP_EX_OP_MODE_USB4_GEN2 BIT(0)
248 #define UCSI_CONCAP_EX_OP_MODE_EPR_SRC BIT(1)
249 #define UCSI_CONCAP_EX_OP_MODE_EPR_SINK BIT(2)
250 #define UCSI_CONCAP_EX_OP_MODE_USB4_GEN3 BIT(3)
251 #define UCSI_CONCAP_EX_OP_MODE_USB4_GEN4 BIT(4)
252 #define UCSI_CONCAP_FLAG_MISC_CAPS(_f_) \
253 (((_f_) & GENMASK(17, 14)) >> 14)
254 #define UCSI_CONCAP_MISC_CAP_FW_UPDATE BIT(0)
255 #define UCSI_CONCAP_MISC_CAP_SECURITY BIT(1)
256 #define UCSI_CONCAP_FLAG_REV_CURR_PROT_SUPPORT BIT(18)
257 #define UCSI_CONCAP_FLAG_PARTNER_PD_MAJOR_REV(_f_) \
258 (((_f_) & GENMASK(20, 19)) >> 19)
259 #define UCSI_CONCAP_FLAG_PARTNER_PD_MAJOR_REV_AS_BCD(_f_) \
260 UCSI_SPEC_REVISION_TO_BCD(UCSI_CONCAP_FLAG_PARTNER_PD_MAJOR_REV(_f_))
263 struct ucsi_altmode {
268 /* Data structure filled by PPM in response to GET_CABLE_PROPERTY command. */
269 struct ucsi_cable_property {
271 u8 current_capability;
273 #define UCSI_CABLE_PROP_FLAG_VBUS_IN_CABLE BIT(0)
274 #define UCSI_CABLE_PROP_FLAG_ACTIVE_CABLE BIT(1)
275 #define UCSI_CABLE_PROP_FLAG_DIRECTIONALITY BIT(2)
276 #define UCSI_CABLE_PROP_FLAG_PLUG_TYPE(_f_) (((_f_) & GENMASK(4, 3)) >> 3)
277 #define UCSI_CABLE_PROPERTY_PLUG_TYPE_A 0
278 #define UCSI_CABLE_PROPERTY_PLUG_TYPE_B 1
279 #define UCSI_CABLE_PROPERTY_PLUG_TYPE_C 2
280 #define UCSI_CABLE_PROPERTY_PLUG_OTHER 3
281 #define UCSI_CABLE_PROP_FLAG_MODE_SUPPORT BIT(5)
282 #define UCSI_CABLE_PROP_FLAG_PD_MAJOR_REV(_f_) (((_f_) & GENMASK(7, 6)) >> 6)
283 #define UCSI_CABLE_PROP_FLAG_PD_MAJOR_REV_AS_BCD(_f_) \
284 UCSI_SPEC_REVISION_TO_BCD(UCSI_CABLE_PROP_FLAG_PD_MAJOR_REV(_f_))
288 /* Data structure filled by PPM in response to GET_CONNECTOR_STATUS command. */
289 struct ucsi_connector_status {
291 #define UCSI_CONSTAT_EXT_SUPPLY_CHANGE BIT(1)
292 #define UCSI_CONSTAT_POWER_OPMODE_CHANGE BIT(2)
293 #define UCSI_CONSTAT_PDOS_CHANGE BIT(5)
294 #define UCSI_CONSTAT_POWER_LEVEL_CHANGE BIT(6)
295 #define UCSI_CONSTAT_PD_RESET_COMPLETE BIT(7)
296 #define UCSI_CONSTAT_CAM_CHANGE BIT(8)
297 #define UCSI_CONSTAT_BC_CHANGE BIT(9)
298 #define UCSI_CONSTAT_PARTNER_CHANGE BIT(11)
299 #define UCSI_CONSTAT_POWER_DIR_CHANGE BIT(12)
300 #define UCSI_CONSTAT_CONNECT_CHANGE BIT(14)
301 #define UCSI_CONSTAT_ERROR BIT(15)
303 #define UCSI_CONSTAT_PWR_OPMODE(_f_) ((_f_) & GENMASK(2, 0))
304 #define UCSI_CONSTAT_PWR_OPMODE_NONE 0
305 #define UCSI_CONSTAT_PWR_OPMODE_DEFAULT 1
306 #define UCSI_CONSTAT_PWR_OPMODE_BC 2
307 #define UCSI_CONSTAT_PWR_OPMODE_PD 3
308 #define UCSI_CONSTAT_PWR_OPMODE_TYPEC1_5 4
309 #define UCSI_CONSTAT_PWR_OPMODE_TYPEC3_0 5
310 #define UCSI_CONSTAT_CONNECTED BIT(3)
311 #define UCSI_CONSTAT_PWR_DIR BIT(4)
312 #define UCSI_CONSTAT_PARTNER_FLAGS(_f_) (((_f_) & GENMASK(12, 5)) >> 5)
313 #define UCSI_CONSTAT_PARTNER_FLAG_USB 1
314 #define UCSI_CONSTAT_PARTNER_FLAG_ALT_MODE 2
315 #define UCSI_CONSTAT_PARTNER_TYPE(_f_) (((_f_) & GENMASK(15, 13)) >> 13)
316 #define UCSI_CONSTAT_PARTNER_TYPE_DFP 1
317 #define UCSI_CONSTAT_PARTNER_TYPE_UFP 2
318 #define UCSI_CONSTAT_PARTNER_TYPE_CABLE 3 /* Powered Cable */
319 #define UCSI_CONSTAT_PARTNER_TYPE_CABLE_AND_UFP 4 /* Powered Cable */
320 #define UCSI_CONSTAT_PARTNER_TYPE_DEBUG 5
321 #define UCSI_CONSTAT_PARTNER_TYPE_AUDIO 6
322 u32 request_data_obj;
325 #define UCSI_CONSTAT_BC_STATUS(_p_) ((_p_[0]) & GENMASK(1, 0))
326 #define UCSI_CONSTAT_BC_NOT_CHARGING 0
327 #define UCSI_CONSTAT_BC_NOMINAL_CHARGING 1
328 #define UCSI_CONSTAT_BC_SLOW_CHARGING 2
329 #define UCSI_CONSTAT_BC_TRICKLE_CHARGING 3
330 #define UCSI_CONSTAT_PROVIDER_CAP_LIMIT(_p_) (((_p_[0]) & GENMASK(5, 2)) >> 2)
331 #define UCSI_CONSTAT_CAP_PWR_LOWERED 0
332 #define UCSI_CONSTAT_CAP_PWR_BUDGET_LIMIT 1
333 #define UCSI_CONSTAT_PROVIDER_PD_VERSION_OPER_MODE(_p_) \
334 ((get_unaligned_le32(_p_) & GENMASK(21, 6)) >> 6)
335 #define UCSI_CONSTAT_ORIENTATION(_p_) (((_p_[2]) & GENMASK(6, 6)) >> 6)
336 #define UCSI_CONSTAT_ORIENTATION_DIRECT 0
337 #define UCSI_CONSTAT_ORIENTATION_FLIPPED 1
338 #define UCSI_CONSTAT_SINK_PATH_STATUS(_p_) (((_p_[2]) & GENMASK(7, 7)) >> 7)
339 #define UCSI_CONSTAT_SINK_PATH_DISABLED 0
340 #define UCSI_CONSTAT_SINK_PATH_ENABLED 1
342 #define UCSI_CONSTAT_REV_CURR_PROT_STATUS(_p_) ((_p_[0]) & 0x1)
343 #define UCSI_CONSTAT_PWR_READING_VALID(_p_) (((_p_[0]) & GENMASK(1, 1)) >> 1)
344 #define UCSI_CONSTAT_CURRENT_SCALE(_p_) (((_p_[0]) & GENMASK(4, 2)) >> 2)
345 #define UCSI_CONSTAT_PEAK_CURRENT(_p_) \
346 ((get_unaligned_le32(_p_) & GENMASK(20, 5)) >> 5)
347 #define UCSI_CONSTAT_AVG_CURRENT(_p_) \
348 ((get_unaligned_le32(&(_p_)[2]) & GENMASK(20, 5)) >> 5)
349 #define UCSI_CONSTAT_VOLTAGE_SCALE(_p_) \
350 ((get_unaligned_le16(&(_p_)[4]) & GENMASK(8, 5)) >> 5)
351 #define UCSI_CONSTAT_VOLTAGE_READING(_p_) \
352 ((get_unaligned_le32(&(_p_)[5]) & GENMASK(16, 1)) >> 1)
356 * Data structure filled by PPM in response to GET_PD_MESSAGE command with the
357 * Response Message Type set to Discover Identity Response.
359 struct ucsi_pd_message_disc_id {
367 /* -------------------------------------------------------------------------- */
369 struct ucsi_debugfs_entry {
376 struct dentry *dentry;
382 struct driver_data *driver_data;
384 const struct ucsi_operations *ops;
386 struct ucsi_capability cap;
387 struct ucsi_connector *connector;
388 struct ucsi_debugfs_entry *debugfs;
390 struct work_struct resume_work;
391 struct delayed_work work;
393 #define UCSI_ROLE_SWITCH_RETRY_PER_HZ 10
394 #define UCSI_ROLE_SWITCH_INTERVAL (HZ / UCSI_ROLE_SWITCH_RETRY_PER_HZ)
395 #define UCSI_ROLE_SWITCH_WAIT_COUNT (10 * UCSI_ROLE_SWITCH_RETRY_PER_HZ)
397 /* PPM Communication lock */
398 struct mutex ppm_lock;
400 /* The latest "Notification Enable" bits (SET_NOTIFICATION_ENABLE) */
403 /* PPM communication flags */
405 #define EVENT_PENDING 0
406 #define COMMAND_PENDING 1
407 #define ACK_PENDING 2
409 unsigned long quirks;
410 #define UCSI_NO_PARTNER_PDOS BIT(0) /* Don't read partner's PDOs */
413 #define UCSI_MAX_SVID 5
414 #define UCSI_MAX_ALTMODES (UCSI_MAX_SVID * 6)
416 #define UCSI_TYPEC_VSAFE5V 5000
417 #define UCSI_TYPEC_1_5_CURRENT 1500
418 #define UCSI_TYPEC_3_0_CURRENT 3000
420 struct ucsi_connector {
424 struct mutex lock; /* port lock */
425 struct work_struct work;
426 struct completion complete;
427 struct workqueue_struct *wq;
428 struct list_head partner_tasks;
430 struct typec_port *port;
431 struct typec_partner *partner;
432 struct typec_cable *cable;
433 struct typec_plug *plug;
435 struct typec_altmode *port_altmode[UCSI_MAX_ALTMODES];
436 struct typec_altmode *partner_altmode[UCSI_MAX_ALTMODES];
437 struct typec_altmode *plug_altmode[UCSI_MAX_ALTMODES];
439 struct typec_capability typec_cap;
441 struct ucsi_connector_status status;
442 struct ucsi_connector_capability cap;
443 struct ucsi_cable_property cable_prop;
444 struct power_supply *psy;
445 struct power_supply_desc psy_desc;
447 u32 src_pdos[PDO_MAX_OBJECTS];
451 struct usb_power_delivery *pd;
452 struct usb_power_delivery_capabilities *port_source_caps;
453 struct usb_power_delivery_capabilities *port_sink_caps;
454 struct usb_power_delivery *partner_pd;
455 struct usb_power_delivery_capabilities *partner_source_caps;
456 struct usb_power_delivery_capabilities *partner_sink_caps;
458 struct usb_role_switch *usb_role_sw;
460 /* USB PD identity */
461 struct usb_pd_identity partner_identity;
462 struct usb_pd_identity cable_identity;
465 int ucsi_send_command(struct ucsi *ucsi, u64 command,
466 void *retval, size_t size);
468 void ucsi_altmode_update_active(struct ucsi_connector *con);
469 int ucsi_resume(struct ucsi *ucsi);
471 #if IS_ENABLED(CONFIG_POWER_SUPPLY)
472 int ucsi_register_port_psy(struct ucsi_connector *con);
473 void ucsi_unregister_port_psy(struct ucsi_connector *con);
474 void ucsi_port_psy_changed(struct ucsi_connector *con);
476 static inline int ucsi_register_port_psy(struct ucsi_connector *con) { return 0; }
477 static inline void ucsi_unregister_port_psy(struct ucsi_connector *con) { }
478 static inline void ucsi_port_psy_changed(struct ucsi_connector *con) { }
479 #endif /* CONFIG_POWER_SUPPLY */
481 #if IS_ENABLED(CONFIG_TYPEC_DP_ALTMODE)
482 struct typec_altmode *
483 ucsi_register_displayport(struct ucsi_connector *con,
484 bool override, int offset,
485 struct typec_altmode_desc *desc);
487 void ucsi_displayport_remove_partner(struct typec_altmode *adev);
490 static inline struct typec_altmode *
491 ucsi_register_displayport(struct ucsi_connector *con,
492 bool override, int offset,
493 struct typec_altmode_desc *desc)
499 ucsi_displayport_remove_partner(struct typec_altmode *adev) { }
500 #endif /* CONFIG_TYPEC_DP_ALTMODE */
502 #ifdef CONFIG_DEBUG_FS
503 void ucsi_debugfs_init(void);
504 void ucsi_debugfs_exit(void);
505 void ucsi_debugfs_register(struct ucsi *ucsi);
506 void ucsi_debugfs_unregister(struct ucsi *ucsi);
508 static inline void ucsi_debugfs_init(void) { }
509 static inline void ucsi_debugfs_exit(void) { }
510 static inline void ucsi_debugfs_register(struct ucsi *ucsi) { }
511 static inline void ucsi_debugfs_unregister(struct ucsi *ucsi) { }
512 #endif /* CONFIG_DEBUG_FS */
515 * NVIDIA VirtualLink (svid 0x955) has two altmode. VirtualLink
516 * DP mode with vdo=0x1 and NVIDIA test mode with vdo=0x3
518 #define USB_TYPEC_NVIDIA_VLINK_DP_VDO 0x1
519 #define USB_TYPEC_NVIDIA_VLINK_DBG_VDO 0x3
521 #endif /* __DRIVER_USB_TYPEC_UCSI_H */