~hc/RK356X_SDK_RELEASE.git

..	..	@@ -5,142 +5,68 @@
5	5
6	6	#include <linux/bitops.h>
7	7	#include <linux/device.h>
	8	+#include <linux/power_supply.h>
8	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 <linux/usb/pd.h>
9	14
10	15	/* -------------------------------------------------------------------------- */
11	16
12		-/* Command Status and Connector Change Indication (CCI) data structure */
13		-struct ucsi_cci {
14		- u8:1; /* reserved */
15		- u8 connector_change:7;
16		- u8 data_length;
17		- u16:9; /* reserved */
18		- u16 not_supported:1;
19		- u16 cancel_complete:1;
20		- u16 reset_complete:1;
21		- u16 busy:1;
22		- u16 ack_complete:1;
23		- u16 error:1;
24		- u16 cmd_complete:1;
25		-} __packed;
	17	+struct ucsi;
	18	+struct ucsi_altmode;
26	19
27		-/* Default fields in CONTROL data structure */
28		-struct ucsi_command {
29		- u8 cmd;
30		- u8 length;
31		- u64 data:48;
32		-} __packed;
	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
33	26
34		-/* ACK Command structure */
35		-struct ucsi_ack_cmd {
36		- u8 cmd;
37		- u8 length;
38		- u8 cci_ack:1;
39		- u8 cmd_ack:1;
40		- u8:6; /* reserved */
41		-} __packed;
	27	+/* Command Status and Connector Change Indication (CCI) bits */
	28	+#define UCSI_CCI_CONNECTOR(_c_) (((_c_) & GENMASK(7, 1)) >> 1)
	29	+#define UCSI_CCI_LENGTH(_c_) (((_c_) & GENMASK(15, 8)) >> 8)
	30	+#define UCSI_CCI_NOT_SUPPORTED BIT(25)
	31	+#define UCSI_CCI_CANCEL_COMPLETE BIT(26)
	32	+#define UCSI_CCI_RESET_COMPLETE BIT(27)
	33	+#define UCSI_CCI_BUSY BIT(28)
	34	+#define UCSI_CCI_ACK_COMPLETE BIT(29)
	35	+#define UCSI_CCI_ERROR BIT(30)
	36	+#define UCSI_CCI_COMMAND_COMPLETE BIT(31)
42	37
43		-/* Connector Reset Command structure */
44		-struct ucsi_con_rst {
45		- u8 cmd;
46		- u8 length;
47		- u8 con_num:7;
48		- u8 hard_reset:1;
49		-} __packed;
50		-
51		-/* Set USB Operation Mode Command structure */
52		-struct ucsi_uor_cmd {
53		- u8 cmd;
54		- u8 length;
55		- u16 con_num:7;
56		- u16 role:3;
57		-#define UCSI_UOR_ROLE_DFP BIT(0)
58		-#define UCSI_UOR_ROLE_UFP BIT(1)
59		-#define UCSI_UOR_ROLE_DRP BIT(2)
60		- u16:6; /* reserved */
61		-} __packed;
62		-
63		-struct ucsi_control {
64		- union {
65		- u64 raw_cmd;
66		- struct ucsi_command cmd;
67		- struct ucsi_uor_cmd uor;
68		- struct ucsi_ack_cmd ack;
69		- struct ucsi_con_rst con_rst;
70		- };
	38	+/**
	39	+ * struct ucsi_operations - UCSI I/O operations
	40	+ * @read: Read operation
	41	+ * @sync_write: Blocking write operation
	42	+ * @async_write: Non-blocking write operation
	43	+ * @update_altmodes: Squashes duplicate DP altmodes
	44	+ *
	45	+ * Read and write routines for UCSI interface. @sync_write must wait for the
	46	+ * Command Completion Event from the PPM before returning, and @async_write must
	47	+ * return immediately after sending the data to the PPM.
	48	+ */
	49	+struct ucsi_operations {
	50	+ int (read)(struct ucsi ucsi, unsigned int offset,
	51	+ void *val, size_t val_len);
	52	+ int (sync_write)(struct ucsi ucsi, unsigned int offset,
	53	+ const void *val, size_t val_len);
	54	+ int (async_write)(struct ucsi ucsi, unsigned int offset,
	55	+ const void *val, size_t val_len);
	56	+ bool (update_altmodes)(struct ucsi ucsi, struct ucsi_altmode *orig,
	57	+ struct ucsi_altmode *updated);
71	58	};
72	59
73		-#define __UCSI_CMD(_ctrl_, _cmd_) \
74		-{ \
75		- (_ctrl_).raw_cmd = 0; \
76		- (_ctrl_).cmd.cmd = _cmd_; \
77		-}
	60	+struct ucsi ucsi_create(struct device dev, const struct ucsi_operations *ops);
	61	+void ucsi_destroy(struct ucsi *ucsi);
	62	+int ucsi_register(struct ucsi *ucsi);
	63	+void ucsi_unregister(struct ucsi *ucsi);
	64	+void ucsi_get_drvdata(struct ucsi ucsi);
	65	+void ucsi_set_drvdata(struct ucsi ucsi, void data);
78	66
79		-/* Helper for preparing ucsi_control for CONNECTOR_RESET command. */
80		-#define UCSI_CMD_CONNECTOR_RESET(_ctrl_, _con_, _hard_) \
81		-{ \
82		- __UCSI_CMD(_ctrl_, UCSI_CONNECTOR_RESET) \
83		- (_ctrl_).con_rst.con_num = (_con_)->num; \
84		- (_ctrl_).con_rst.hard_reset = _hard_; \
85		-}
	67	+void ucsi_connector_change(struct ucsi *ucsi, u8 num);
86	68
87		-/* Helper for preparing ucsi_control for ACK_CC_CI command. */
88		-#define UCSI_CMD_ACK(_ctrl_, _ack_) \
89		-{ \
90		- __UCSI_CMD(_ctrl_, UCSI_ACK_CC_CI) \
91		- (_ctrl_).ack.cci_ack = ((_ack_) == UCSI_ACK_EVENT); \
92		- (_ctrl_).ack.cmd_ack = ((_ack_) == UCSI_ACK_CMD); \
93		-}
94		-
95		-/* Helper for preparing ucsi_control for SET_NOTIFY_ENABLE command. */
96		-#define UCSI_CMD_SET_NTFY_ENABLE(_ctrl_, _ntfys_) \
97		-{ \
98		- __UCSI_CMD(_ctrl_, UCSI_SET_NOTIFICATION_ENABLE) \
99		- (_ctrl_).cmd.data = _ntfys_; \
100		-}
101		-
102		-/* Helper for preparing ucsi_control for GET_CAPABILITY command. */
103		-#define UCSI_CMD_GET_CAPABILITY(_ctrl_) \
104		-{ \
105		- __UCSI_CMD(_ctrl_, UCSI_GET_CAPABILITY) \
106		-}
107		-
108		-/* Helper for preparing ucsi_control for GET_CONNECTOR_CAPABILITY command. */
109		-#define UCSI_CMD_GET_CONNECTOR_CAPABILITY(_ctrl_, _con_) \
110		-{ \
111		- __UCSI_CMD(_ctrl_, UCSI_GET_CONNECTOR_CAPABILITY) \
112		- (_ctrl_).cmd.data = _con_; \
113		-}
114		-
115		-/* Helper for preparing ucsi_control for GET_CONNECTOR_STATUS command. */
116		-#define UCSI_CMD_GET_CONNECTOR_STATUS(_ctrl_, _con_) \
117		-{ \
118		- __UCSI_CMD(_ctrl_, UCSI_GET_CONNECTOR_STATUS) \
119		- (_ctrl_).cmd.data = _con_; \
120		-}
121		-
122		-#define __UCSI_ROLE(_ctrl_, _cmd_, _con_num_) \
123		-{ \
124		- __UCSI_CMD(_ctrl_, _cmd_) \
125		- (_ctrl_).uor.con_num = _con_num_; \
126		- (_ctrl_).uor.role = UCSI_UOR_ROLE_DRP; \
127		-}
128		-
129		-/* Helper for preparing ucsi_control for SET_UOR command. */
130		-#define UCSI_CMD_SET_UOR(_ctrl_, _con_, _role_) \
131		-{ \
132		- __UCSI_ROLE(_ctrl_, UCSI_SET_UOR, (_con_)->num) \
133		- (_ctrl_).uor.role \|= (_role_) == TYPEC_HOST ? UCSI_UOR_ROLE_DFP : \
134		- UCSI_UOR_ROLE_UFP; \
135		-}
136		-
137		-/* Helper for preparing ucsi_control for SET_PDR command. */
138		-#define UCSI_CMD_SET_PDR(_ctrl_, _con_, _role_) \
139		-{ \
140		- __UCSI_ROLE(_ctrl_, UCSI_SET_PDR, (_con_)->num) \
141		- (_ctrl_).uor.role \|= (_role_) == TYPEC_SOURCE ? UCSI_UOR_ROLE_DFP : \
142		- UCSI_UOR_ROLE_UFP; \
143		-}
	69	+/* -------------------------------------------------------------------------- */
144	70
145	71	/* Commands */
146	72	#define UCSI_PPM_RESET 0x01
..	..	@@ -163,24 +89,59 @@
163	89	#define UCSI_GET_CONNECTOR_STATUS 0x12
164	90	#define UCSI_GET_ERROR_STATUS 0x13
165	91
166		-/* ACK_CC_CI commands */
167		-#define UCSI_ACK_EVENT 1
168		-#define UCSI_ACK_CMD 2
	92	+#define UCSI_CONNECTOR_NUMBER(_num_) ((u64)(_num_) << 16)
	93	+#define UCSI_COMMAND(_cmd_) ((_cmd_) & 0xff)
169	94
170		-/* Bits for SET_NOTIFICATION_ENABLE command */
171		-#define UCSI_ENABLE_NTFY_CMD_COMPLETE BIT(0)
172		-#define UCSI_ENABLE_NTFY_EXT_PWR_SRC_CHANGE BIT(1)
173		-#define UCSI_ENABLE_NTFY_PWR_OPMODE_CHANGE BIT(2)
174		-#define UCSI_ENABLE_NTFY_CAP_CHANGE BIT(5)
175		-#define UCSI_ENABLE_NTFY_PWR_LEVEL_CHANGE BIT(6)
176		-#define UCSI_ENABLE_NTFY_PD_RESET_COMPLETE BIT(7)
177		-#define UCSI_ENABLE_NTFY_CAM_CHANGE BIT(8)
178		-#define UCSI_ENABLE_NTFY_BAT_STATUS_CHANGE BIT(9)
179		-#define UCSI_ENABLE_NTFY_PARTNER_CHANGE BIT(11)
180		-#define UCSI_ENABLE_NTFY_PWR_DIR_CHANGE BIT(12)
181		-#define UCSI_ENABLE_NTFY_CONNECTOR_CHANGE BIT(14)
182		-#define UCSI_ENABLE_NTFY_ERROR BIT(15)
183		-#define UCSI_ENABLE_NTFY_ALL 0xdbe7
	95	+/* CONNECTOR_RESET command bits */
	96	+#define UCSI_CONNECTOR_RESET_HARD BIT(23) /* Deprecated in v1.1 */
	97	+
	98	+/* ACK_CC_CI bits */
	99	+#define UCSI_ACK_CONNECTOR_CHANGE BIT(16)
	100	+#define UCSI_ACK_COMMAND_COMPLETE BIT(17)
	101	+
	102	+/* SET_NOTIFICATION_ENABLE command bits */
	103	+#define UCSI_ENABLE_NTFY_CMD_COMPLETE BIT(16)
	104	+#define UCSI_ENABLE_NTFY_EXT_PWR_SRC_CHANGE BIT(17)
	105	+#define UCSI_ENABLE_NTFY_PWR_OPMODE_CHANGE BIT(18)
	106	+#define UCSI_ENABLE_NTFY_CAP_CHANGE BIT(21)
	107	+#define UCSI_ENABLE_NTFY_PWR_LEVEL_CHANGE BIT(22)
	108	+#define UCSI_ENABLE_NTFY_PD_RESET_COMPLETE BIT(23)
	109	+#define UCSI_ENABLE_NTFY_CAM_CHANGE BIT(24)
	110	+#define UCSI_ENABLE_NTFY_BAT_STATUS_CHANGE BIT(25)
	111	+#define UCSI_ENABLE_NTFY_PARTNER_CHANGE BIT(27)
	112	+#define UCSI_ENABLE_NTFY_PWR_DIR_CHANGE BIT(28)
	113	+#define UCSI_ENABLE_NTFY_CONNECTOR_CHANGE BIT(30)
	114	+#define UCSI_ENABLE_NTFY_ERROR BIT(31)
	115	+#define UCSI_ENABLE_NTFY_ALL 0xdbe70000
	116	+
	117	+/* SET_UOR command bits */
	118	+#define UCSI_SET_UOR_ROLE(_r_) (((_r_) == TYPEC_HOST ? 1 : 2) << 23)
	119	+#define UCSI_SET_UOR_ACCEPT_ROLE_SWAPS BIT(25)
	120	+
	121	+/* SET_PDF command bits */
	122	+#define UCSI_SET_PDR_ROLE(_r_) (((_r_) == TYPEC_SOURCE ? 1 : 2) << 23)
	123	+#define UCSI_SET_PDR_ACCEPT_ROLE_SWAPS BIT(25)
	124	+
	125	+/* GET_ALTERNATE_MODES command bits */
	126	+#define UCSI_ALTMODE_RECIPIENT(_r_) (((_r_) >> 16) & 0x7)
	127	+#define UCSI_GET_ALTMODE_RECIPIENT(_r_) ((u64)(_r_) << 16)
	128	+#define UCSI_RECIPIENT_CON 0
	129	+#define UCSI_RECIPIENT_SOP 1
	130	+#define UCSI_RECIPIENT_SOP_P 2
	131	+#define UCSI_RECIPIENT_SOP_PP 3
	132	+#define UCSI_GET_ALTMODE_CONNECTOR_NUMBER(_r_) ((u64)(_r_) << 24)
	133	+#define UCSI_ALTMODE_OFFSET(_r_) (((_r_) >> 32) & 0xff)
	134	+#define UCSI_GET_ALTMODE_OFFSET(_r_) ((u64)(_r_) << 32)
	135	+#define UCSI_GET_ALTMODE_NUM_ALTMODES(_r_) ((u64)(_r_) << 40)
	136	+
	137	+/* GET_PDOS command bits */
	138	+#define UCSI_GET_PDOS_PARTNER_PDO(_r_) ((u64)(_r_) << 23)
	139	+#define UCSI_GET_PDOS_PDO_OFFSET(_r_) ((u64)(_r_) << 24)
	140	+#define UCSI_GET_PDOS_NUM_PDOS(_r_) ((u64)(_r_) << 32)
	141	+#define UCSI_MAX_PDOS (4)
	142	+#define UCSI_GET_PDOS_SRC_PDOS ((u64)1 << 34)
	143	+
	144	+/* -------------------------------------------------------------------------- */
184	145
185	146	/* Error information returned by PPM in response to GET_ERROR_STATUS command. */
186	147	#define UCSI_ERROR_UNREGONIZED_CMD BIT(0)
..	..	@@ -190,6 +151,18 @@
190	151	#define UCSI_ERROR_CC_COMMUNICATION_ERR BIT(4)
191	152	#define UCSI_ERROR_DEAD_BATTERY BIT(5)
192	153	#define UCSI_ERROR_CONTRACT_NEGOTIATION_FAIL BIT(6)
	154	+#define UCSI_ERROR_OVERCURRENT BIT(7)
	155	+#define UCSI_ERROR_UNDEFINED BIT(8)
	156	+#define UCSI_ERROR_PARTNER_REJECTED_SWAP BIT(9)
	157	+#define UCSI_ERROR_HARD_RESET BIT(10)
	158	+#define UCSI_ERROR_PPM_POLICY_CONFLICT BIT(11)
	159	+#define UCSI_ERROR_SWAP_REJECTED BIT(12)
	160	+
	161	+#define UCSI_SET_NEW_CAM_ENTER(x) (((x) >> 23) & 0x1)
	162	+#define UCSI_SET_NEW_CAM_GET_AM(x) (((x) >> 24) & 0xff)
	163	+#define UCSI_SET_NEW_CAM_AM_MASK (0xff << 24)
	164	+#define UCSI_SET_NEW_CAM_SET_AM(x) (((x) & 0xff) << 24)
	165	+#define UCSI_CMD_CONNECTOR_MASK (0x7)
193	166
194	167	/* Data structure filled by PPM in response to GET_CAPABILITY command. */
195	168	struct ucsi_capability {
..	..	@@ -201,8 +174,8 @@
201	174	#define UCSI_CAP_ATTR_POWER_AC_SUPPLY BIT(8)
202	175	#define UCSI_CAP_ATTR_POWER_OTHER BIT(10)
203	176	#define UCSI_CAP_ATTR_POWER_VBUS BIT(14)
204		- u32 num_connectors:8;
205		- u32 features:24;
	177	+ u8 num_connectors;
	178	+ u8 features;
206	179	#define UCSI_CAP_SET_UOM BIT(0)
207	180	#define UCSI_CAP_SET_PDM BIT(1)
208	181	#define UCSI_CAP_ALT_MODE_DETAILS BIT(2)
..	..	@@ -211,8 +184,9 @@
211	184	#define UCSI_CAP_CABLE_DETAILS BIT(5)
212	185	#define UCSI_CAP_EXT_SUPPLY_NOTIFICATIONS BIT(6)
213	186	#define UCSI_CAP_PD_RESET BIT(7)
	187	+ u16 reserved_1;
214	188	u8 num_alt_modes;
215		- u8 reserved;
	189	+ u8 reserved_2;
216	190	u16 bc_version;
217	191	u16 pd_version;
218	192	u16 typec_version;
..	..	@@ -229,9 +203,9 @@
229	203	#define UCSI_CONCAP_OPMODE_USB2 BIT(5)
230	204	#define UCSI_CONCAP_OPMODE_USB3 BIT(6)
231	205	#define UCSI_CONCAP_OPMODE_ALT_MODE BIT(7)
232		- u8 provider:1;
233		- u8 consumer:1;
234		- u8:6; /* reserved */
	206	+ u8 flags;
	207	+#define UCSI_CONCAP_FLAG_PROVIDER BIT(0)
	208	+#define UCSI_CONCAP_FLAG_CONSUMER BIT(1)
235	209	} __packed;
236	210
237	211	struct ucsi_altmode {
..	..	@@ -243,18 +217,17 @@
243	217	struct ucsi_cable_property {
244	218	u16 speed_supported;
245	219	u8 current_capability;
246		- u8 vbus_in_cable:1;
247		- u8 active_cable:1;
248		- u8 directionality:1;
249		- u8 plug_type:2;
250		-#define UCSI_CABLE_PROPERTY_PLUG_TYPE_A 0
251		-#define UCSI_CABLE_PROPERTY_PLUG_TYPE_B 1
252		-#define UCSI_CABLE_PROPERTY_PLUG_TYPE_C 2
253		-#define UCSI_CABLE_PROPERTY_PLUG_OTHER 3
254		- u8 mode_support:1;
255		- u8:2; /* reserved */
256		- u8 latency:4;
257		- u8:4; /* reserved */
	220	+ u8 flags;
	221	+#define UCSI_CABLE_PROP_FLAG_VBUS_IN_CABLE BIT(0)
	222	+#define UCSI_CABLE_PROP_FLAG_ACTIVE_CABLE BIT(1)
	223	+#define UCSI_CABLE_PROP_FLAG_DIRECTIONALITY BIT(2)
	224	+#define UCSI_CABLE_PROP_FLAG_PLUG_TYPE(_f_) ((_f_) & GENMASK(3, 0))
	225	+#define UCSI_CABLE_PROPERTY_PLUG_TYPE_A 0
	226	+#define UCSI_CABLE_PROPERTY_PLUG_TYPE_B 1
	227	+#define UCSI_CABLE_PROPERTY_PLUG_TYPE_C 2
	228	+#define UCSI_CABLE_PROPERTY_PLUG_OTHER 3
	229	+#define UCSI_CABLE_PROP_MODE_SUPPORT BIT(5)
	230	+ u8 latency;
258	231	} __packed;
259	232
260	233	/* Data structure filled by PPM in response to GET_CONNECTOR_STATUS command. */
..	..	@@ -271,67 +244,165 @@
271	244	#define UCSI_CONSTAT_POWER_DIR_CHANGE BIT(12)
272	245	#define UCSI_CONSTAT_CONNECT_CHANGE BIT(14)
273	246	#define UCSI_CONSTAT_ERROR BIT(15)
274		- u16 pwr_op_mode:3;
275		-#define UCSI_CONSTAT_PWR_OPMODE_NONE 0
276		-#define UCSI_CONSTAT_PWR_OPMODE_DEFAULT 1
277		-#define UCSI_CONSTAT_PWR_OPMODE_BC 2
278		-#define UCSI_CONSTAT_PWR_OPMODE_PD 3
279		-#define UCSI_CONSTAT_PWR_OPMODE_TYPEC1_5 4
280		-#define UCSI_CONSTAT_PWR_OPMODE_TYPEC3_0 5
281		- u16 connected:1;
282		- u16 pwr_dir:1;
283		- u16 partner_flags:8;
284		-#define UCSI_CONSTAT_PARTNER_FLAG_USB BIT(0)
285		-#define UCSI_CONSTAT_PARTNER_FLAG_ALT_MODE BIT(1)
286		- u16 partner_type:3;
287		-#define UCSI_CONSTAT_PARTNER_TYPE_DFP 1
288		-#define UCSI_CONSTAT_PARTNER_TYPE_UFP 2
289		-#define UCSI_CONSTAT_PARTNER_TYPE_CABLE 3 /* Powered Cable */
290		-#define UCSI_CONSTAT_PARTNER_TYPE_CABLE_AND_UFP 4 /* Powered Cable */
291		-#define UCSI_CONSTAT_PARTNER_TYPE_DEBUG 5
292		-#define UCSI_CONSTAT_PARTNER_TYPE_AUDIO 6
	247	+ u16 flags;
	248	+#define UCSI_CONSTAT_PWR_OPMODE(_f_) ((_f_) & GENMASK(2, 0))
	249	+#define UCSI_CONSTAT_PWR_OPMODE_NONE 0
	250	+#define UCSI_CONSTAT_PWR_OPMODE_DEFAULT 1
	251	+#define UCSI_CONSTAT_PWR_OPMODE_BC 2
	252	+#define UCSI_CONSTAT_PWR_OPMODE_PD 3
	253	+#define UCSI_CONSTAT_PWR_OPMODE_TYPEC1_5 4
	254	+#define UCSI_CONSTAT_PWR_OPMODE_TYPEC3_0 5
	255	+#define UCSI_CONSTAT_CONNECTED BIT(3)
	256	+#define UCSI_CONSTAT_PWR_DIR BIT(4)
	257	+#define UCSI_CONSTAT_PARTNER_FLAGS(_f_) (((_f_) & GENMASK(12, 5)) >> 5)
	258	+#define UCSI_CONSTAT_PARTNER_FLAG_USB 1
	259	+#define UCSI_CONSTAT_PARTNER_FLAG_ALT_MODE 2
	260	+#define UCSI_CONSTAT_PARTNER_TYPE(_f_) (((_f_) & GENMASK(15, 13)) >> 13)
	261	+#define UCSI_CONSTAT_PARTNER_TYPE_DFP 1
	262	+#define UCSI_CONSTAT_PARTNER_TYPE_UFP 2
	263	+#define UCSI_CONSTAT_PARTNER_TYPE_CABLE 3 /* Powered Cable */
	264	+#define UCSI_CONSTAT_PARTNER_TYPE_CABLE_AND_UFP 4 /* Powered Cable */
	265	+#define UCSI_CONSTAT_PARTNER_TYPE_DEBUG 5
	266	+#define UCSI_CONSTAT_PARTNER_TYPE_AUDIO 6
293	267	u32 request_data_obj;
294		- u8 bc_status:2;
295		-#define UCSI_CONSTAT_BC_NOT_CHARGING 0
296		-#define UCSI_CONSTAT_BC_NOMINAL_CHARGING 1
297		-#define UCSI_CONSTAT_BC_SLOW_CHARGING 2
298		-#define UCSI_CONSTAT_BC_TRICKLE_CHARGING 3
299		- u8 provider_cap_limit_reason:4;
300		-#define UCSI_CONSTAT_CAP_PWR_LOWERED 0
301		-#define UCSI_CONSTAT_CAP_PWR_BUDGET_LIMIT 1
302		- u8:2; /* reserved */
	268	+ u8 pwr_status;
	269	+#define UCSI_CONSTAT_BC_STATUS(_p_) ((_p_) & GENMASK(2, 0))
	270	+#define UCSI_CONSTAT_BC_NOT_CHARGING 0
	271	+#define UCSI_CONSTAT_BC_NOMINAL_CHARGING 1
	272	+#define UCSI_CONSTAT_BC_SLOW_CHARGING 2
	273	+#define UCSI_CONSTAT_BC_TRICKLE_CHARGING 3
	274	+#define UCSI_CONSTAT_PROVIDER_CAP_LIMIT(_p_) (((_p_) & GENMASK(6, 3)) >> 3)
	275	+#define UCSI_CONSTAT_CAP_PWR_LOWERED 0
	276	+#define UCSI_CONSTAT_CAP_PWR_BUDGET_LIMIT 1
303	277	} __packed;
304	278
305	279	/* -------------------------------------------------------------------------- */
306	280
307		-struct ucsi;
308		-
309		-struct ucsi_data {
	281	+struct ucsi {
310	282	u16 version;
311		- u16 reserved;
312		- union {
313		- u32 raw_cci;
314		- struct ucsi_cci cci;
315		- };
316		- struct ucsi_control ctrl;
317		- u32 message_in[4];
318		- u32 message_out[4];
319		-} __packed;
	283	+ struct device *dev;
	284	+ struct driver_data *driver_data;
320	285
321		-/*
322		- * struct ucsi_ppm - Interface to UCSI Platform Policy Manager
323		- * @data: memory location to the UCSI data structures
324		- * @cmd: UCSI command execution routine
325		- * @sync: Refresh UCSI mailbox (the data structures)
326		- */
327		-struct ucsi_ppm {
328		- struct ucsi_data *data;
329		- int (cmd)(struct ucsi_ppm , struct ucsi_control *);
330		- int (sync)(struct ucsi_ppm );
	286	+ const struct ucsi_operations *ops;
	287	+
	288	+ struct ucsi_capability cap;
	289	+ struct ucsi_connector *connector;
	290	+
	291	+ struct work_struct work;
	292	+#define UCSI_ROLE_SWITCH_RETRY_PER_HZ 10
	293	+#define UCSI_ROLE_SWITCH_INTERVAL (HZ / UCSI_ROLE_SWITCH_RETRY_PER_HZ)
	294	+#define UCSI_ROLE_SWITCH_WAIT_COUNT (10 * UCSI_ROLE_SWITCH_RETRY_PER_HZ)
	295	+
	296	+ /* PPM Communication lock */
	297	+ struct mutex ppm_lock;
	298	+
	299	+ /* The latest "Notification Enable" bits (SET_NOTIFICATION_ENABLE) */
	300	+ u64 ntfy;
	301	+
	302	+ /* PPM communication flags */
	303	+ unsigned long flags;
	304	+#define EVENT_PENDING 0
	305	+#define COMMAND_PENDING 1
	306	+#define ACK_PENDING 2
	307	+#define EVENT_PROCESSING 3
331	308	};
332	309
333		-struct ucsi ucsi_register_ppm(struct device dev, struct ucsi_ppm *ppm);
334		-void ucsi_unregister_ppm(struct ucsi *ucsi);
335		-void ucsi_notify(struct ucsi *ucsi);
	310	+/**
	311	+ * struct ucsi_android - contains parameters without modifying the format
	312	+ * of ucsi struct.
	313	+ * @ucsi: contains the ucsi reference.
	314	+ * @work: work structure for queuing ucsi_init_work.
	315	+ * @work_count: to track the wait count(MAX= UCSI_ROLE_SWITCH_WAIT_COUNT).
	316	+ *
	317	+ * Required to address Bug: 260537721
	318	+ * If the role switch module probes late the
	319	+ * fwnode_usb_role_switch_get() will fail with -EPROBE_DEFER.
	320	+ * To recover from this, restart the ucsi_init_work
	321	+ * to find the fwnode again using a delayed workqueue.
	322	+ */
	323	+struct ucsi_android {
	324	+ struct ucsi ucsi;
	325	+ struct delayed_work work;
	326	+ int work_count;
	327	+};
	328	+
	329	+#define UCSI_MAX_SVID 5
	330	+#define UCSI_MAX_ALTMODES (UCSI_MAX_SVID * 6)
	331	+
	332	+#define UCSI_TYPEC_VSAFE5V 5000
	333	+#define UCSI_TYPEC_1_5_CURRENT 1500
	334	+#define UCSI_TYPEC_3_0_CURRENT 3000
	335	+
	336	+struct ucsi_connector {
	337	+ int num;
	338	+
	339	+ struct ucsi *ucsi;
	340	+ struct mutex lock; /* port lock */
	341	+ struct work_struct work;
	342	+ struct completion complete;
	343	+
	344	+ struct typec_port *port;
	345	+ struct typec_partner *partner;
	346	+
	347	+ struct typec_altmode *port_altmode[UCSI_MAX_ALTMODES];
	348	+ struct typec_altmode *partner_altmode[UCSI_MAX_ALTMODES];
	349	+
	350	+ struct typec_capability typec_cap;
	351	+
	352	+ u16 unprocessed_changes;
	353	+ struct ucsi_connector_status status;
	354	+ struct ucsi_connector_capability cap;
	355	+ struct power_supply *psy;
	356	+ struct power_supply_desc psy_desc;
	357	+ u32 rdo;
	358	+ u32 src_pdos[PDO_MAX_OBJECTS];
	359	+ int num_pdos;
	360	+
	361	+ struct usb_role_switch *usb_role_sw;
	362	+};
	363	+
	364	+int ucsi_send_command(struct ucsi *ucsi, u64 command,
	365	+ void *retval, size_t size);
	366	+
	367	+void ucsi_altmode_update_active(struct ucsi_connector *con);
	368	+int ucsi_resume(struct ucsi *ucsi);
	369	+
	370	+#if IS_ENABLED(CONFIG_POWER_SUPPLY)
	371	+int ucsi_register_port_psy(struct ucsi_connector *con);
	372	+void ucsi_unregister_port_psy(struct ucsi_connector *con);
	373	+void ucsi_port_psy_changed(struct ucsi_connector *con);
	374	+#else
	375	+static inline int ucsi_register_port_psy(struct ucsi_connector *con) { return 0; }
	376	+static inline void ucsi_unregister_port_psy(struct ucsi_connector *con) { }
	377	+static inline void ucsi_port_psy_changed(struct ucsi_connector *con) { }
	378	+#endif /* CONFIG_POWER_SUPPLY */
	379	+
	380	+#if IS_ENABLED(CONFIG_TYPEC_DP_ALTMODE)
	381	+struct typec_altmode *
	382	+ucsi_register_displayport(struct ucsi_connector *con,
	383	+ bool override, int offset,
	384	+ struct typec_altmode_desc *desc);
	385	+
	386	+void ucsi_displayport_remove_partner(struct typec_altmode *adev);
	387	+
	388	+#else
	389	+static inline struct typec_altmode *
	390	+ucsi_register_displayport(struct ucsi_connector *con,
	391	+ bool override, int offset,
	392	+ struct typec_altmode_desc *desc)
	393	+{
	394	+ return NULL;
	395	+}
	396	+
	397	+static inline void
	398	+ucsi_displayport_remove_partner(struct typec_altmode *adev) { }
	399	+#endif /* CONFIG_TYPEC_DP_ALTMODE */
	400	+
	401	+/*
	402	+ * NVIDIA VirtualLink (svid 0x955) has two altmode. VirtualLink
	403	+ * DP mode with vdo=0x1 and NVIDIA test mode with vdo=0x3
	404	+ */
	405	+#define USB_TYPEC_NVIDIA_VLINK_DP_VDO 0x1
	406	+#define USB_TYPEC_NVIDIA_VLINK_DBG_VDO 0x3
336	407
337	408	#endif /* __DRIVER_USB_TYPEC_UCSI_H */