1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * Copyright 2015-2017 Google, Inc 4 */ 5 6 #ifndef __LINUX_USB_PD_H 7 #define __LINUX_USB_PD_H 8 9 #include <linux/kernel.h> 10 #include <linux/types.h> 11 #include <linux/usb/typec.h> 12 13 /* USB PD Messages */ 14 enum pd_ctrl_msg_type { 15 /* 0 Reserved */ 16 PD_CTRL_GOOD_CRC = 1, 17 PD_CTRL_GOTO_MIN = 2, 18 PD_CTRL_ACCEPT = 3, 19 PD_CTRL_REJECT = 4, 20 PD_CTRL_PING = 5, 21 PD_CTRL_PS_RDY = 6, 22 PD_CTRL_GET_SOURCE_CAP = 7, 23 PD_CTRL_GET_SINK_CAP = 8, 24 PD_CTRL_DR_SWAP = 9, 25 PD_CTRL_PR_SWAP = 10, 26 PD_CTRL_VCONN_SWAP = 11, 27 PD_CTRL_WAIT = 12, 28 PD_CTRL_SOFT_RESET = 13, 29 /* 14-15 Reserved */ 30 PD_CTRL_NOT_SUPP = 16, 31 PD_CTRL_GET_SOURCE_CAP_EXT = 17, 32 PD_CTRL_GET_STATUS = 18, 33 PD_CTRL_FR_SWAP = 19, 34 PD_CTRL_GET_PPS_STATUS = 20, 35 PD_CTRL_GET_COUNTRY_CODES = 21, 36 /* 22-31 Reserved */ 37 }; 38 39 enum pd_data_msg_type { 40 /* 0 Reserved */ 41 PD_DATA_SOURCE_CAP = 1, 42 PD_DATA_REQUEST = 2, 43 PD_DATA_BIST = 3, 44 PD_DATA_SINK_CAP = 4, 45 PD_DATA_BATT_STATUS = 5, 46 PD_DATA_ALERT = 6, 47 PD_DATA_GET_COUNTRY_INFO = 7, 48 PD_DATA_ENTER_USB = 8, 49 /* 9-14 Reserved */ 50 PD_DATA_VENDOR_DEF = 15, 51 /* 16-31 Reserved */ 52 }; 53 54 enum pd_ext_msg_type { 55 /* 0 Reserved */ 56 PD_EXT_SOURCE_CAP_EXT = 1, 57 PD_EXT_STATUS = 2, 58 PD_EXT_GET_BATT_CAP = 3, 59 PD_EXT_GET_BATT_STATUS = 4, 60 PD_EXT_BATT_CAP = 5, 61 PD_EXT_GET_MANUFACTURER_INFO = 6, 62 PD_EXT_MANUFACTURER_INFO = 7, 63 PD_EXT_SECURITY_REQUEST = 8, 64 PD_EXT_SECURITY_RESPONSE = 9, 65 PD_EXT_FW_UPDATE_REQUEST = 10, 66 PD_EXT_FW_UPDATE_RESPONSE = 11, 67 PD_EXT_PPS_STATUS = 12, 68 PD_EXT_COUNTRY_INFO = 13, 69 PD_EXT_COUNTRY_CODES = 14, 70 /* 15-31 Reserved */ 71 }; 72 73 #define PD_REV10 0x0 74 #define PD_REV20 0x1 75 #define PD_REV30 0x2 76 #define PD_MAX_REV PD_REV30 77 78 #define PD_HEADER_EXT_HDR BIT(15) 79 #define PD_HEADER_CNT_SHIFT 12 80 #define PD_HEADER_CNT_MASK 0x7 81 #define PD_HEADER_ID_SHIFT 9 82 #define PD_HEADER_ID_MASK 0x7 83 #define PD_HEADER_PWR_ROLE BIT(8) 84 #define PD_HEADER_REV_SHIFT 6 85 #define PD_HEADER_REV_MASK 0x3 86 #define PD_HEADER_DATA_ROLE BIT(5) 87 #define PD_HEADER_TYPE_SHIFT 0 88 #define PD_HEADER_TYPE_MASK 0x1f 89 90 #define PD_HEADER(type, pwr, data, rev, id, cnt, ext_hdr) \ 91 ((((type) & PD_HEADER_TYPE_MASK) << PD_HEADER_TYPE_SHIFT) | \ 92 ((pwr) == TYPEC_SOURCE ? PD_HEADER_PWR_ROLE : 0) | \ 93 ((data) == TYPEC_HOST ? PD_HEADER_DATA_ROLE : 0) | \ 94 (rev << PD_HEADER_REV_SHIFT) | \ 95 (((id) & PD_HEADER_ID_MASK) << PD_HEADER_ID_SHIFT) | \ 96 (((cnt) & PD_HEADER_CNT_MASK) << PD_HEADER_CNT_SHIFT) | \ 97 ((ext_hdr) ? PD_HEADER_EXT_HDR : 0)) 98 99 #define PD_HEADER_LE(type, pwr, data, rev, id, cnt) \ 100 cpu_to_le16(PD_HEADER((type), (pwr), (data), (rev), (id), (cnt), (0))) 101 102 static inline unsigned int pd_header_cnt(u16 header) 103 { 104 return (header >> PD_HEADER_CNT_SHIFT) & PD_HEADER_CNT_MASK; 105 } 106 107 static inline unsigned int pd_header_cnt_le(__le16 header) 108 { 109 return pd_header_cnt(le16_to_cpu(header)); 110 } 111 112 static inline unsigned int pd_header_type(u16 header) 113 { 114 return (header >> PD_HEADER_TYPE_SHIFT) & PD_HEADER_TYPE_MASK; 115 } 116 117 static inline unsigned int pd_header_type_le(__le16 header) 118 { 119 return pd_header_type(le16_to_cpu(header)); 120 } 121 122 static inline unsigned int pd_header_msgid(u16 header) 123 { 124 return (header >> PD_HEADER_ID_SHIFT) & PD_HEADER_ID_MASK; 125 } 126 127 static inline unsigned int pd_header_msgid_le(__le16 header) 128 { 129 return pd_header_msgid(le16_to_cpu(header)); 130 } 131 132 static inline unsigned int pd_header_rev(u16 header) 133 { 134 return (header >> PD_HEADER_REV_SHIFT) & PD_HEADER_REV_MASK; 135 } 136 137 static inline unsigned int pd_header_rev_le(__le16 header) 138 { 139 return pd_header_rev(le16_to_cpu(header)); 140 } 141 142 #define PD_EXT_HDR_CHUNKED BIT(15) 143 #define PD_EXT_HDR_CHUNK_NUM_SHIFT 11 144 #define PD_EXT_HDR_CHUNK_NUM_MASK 0xf 145 #define PD_EXT_HDR_REQ_CHUNK BIT(10) 146 #define PD_EXT_HDR_DATA_SIZE_SHIFT 0 147 #define PD_EXT_HDR_DATA_SIZE_MASK 0x1ff 148 149 #define PD_EXT_HDR(data_size, req_chunk, chunk_num, chunked) \ 150 ((((data_size) & PD_EXT_HDR_DATA_SIZE_MASK) << PD_EXT_HDR_DATA_SIZE_SHIFT) | \ 151 ((req_chunk) ? PD_EXT_HDR_REQ_CHUNK : 0) | \ 152 (((chunk_num) & PD_EXT_HDR_CHUNK_NUM_MASK) << PD_EXT_HDR_CHUNK_NUM_SHIFT) | \ 153 ((chunked) ? PD_EXT_HDR_CHUNKED : 0)) 154 155 #define PD_EXT_HDR_LE(data_size, req_chunk, chunk_num, chunked) \ 156 cpu_to_le16(PD_EXT_HDR((data_size), (req_chunk), (chunk_num), (chunked))) 157 158 static inline unsigned int pd_ext_header_chunk_num(u16 ext_header) 159 { 160 return (ext_header >> PD_EXT_HDR_CHUNK_NUM_SHIFT) & 161 PD_EXT_HDR_CHUNK_NUM_MASK; 162 } 163 164 static inline unsigned int pd_ext_header_data_size(u16 ext_header) 165 { 166 return (ext_header >> PD_EXT_HDR_DATA_SIZE_SHIFT) & 167 PD_EXT_HDR_DATA_SIZE_MASK; 168 } 169 170 static inline unsigned int pd_ext_header_data_size_le(__le16 ext_header) 171 { 172 return pd_ext_header_data_size(le16_to_cpu(ext_header)); 173 } 174 175 #define PD_MAX_PAYLOAD 7 176 #define PD_EXT_MAX_CHUNK_DATA 26 177 178 /** 179 * struct pd_chunked_ext_message_data - PD chunked extended message data as 180 * seen on wire 181 * @header: PD extended message header 182 * @data: PD extended message data 183 */ 184 struct pd_chunked_ext_message_data { 185 __le16 header; 186 u8 data[PD_EXT_MAX_CHUNK_DATA]; 187 } __packed; 188 189 /** 190 * struct pd_message - PD message as seen on wire 191 * @header: PD message header 192 * @payload: PD message payload 193 * @ext_msg: PD message chunked extended message data 194 */ 195 struct pd_message { 196 __le16 header; 197 union { 198 __le32 payload[PD_MAX_PAYLOAD]; 199 struct pd_chunked_ext_message_data ext_msg; 200 }; 201 } __packed; 202 203 /* PDO: Power Data Object */ 204 #define PDO_MAX_OBJECTS 7 205 206 enum pd_pdo_type { 207 PDO_TYPE_FIXED = 0, 208 PDO_TYPE_BATT = 1, 209 PDO_TYPE_VAR = 2, 210 PDO_TYPE_APDO = 3, 211 }; 212 213 #define PDO_TYPE_SHIFT 30 214 #define PDO_TYPE_MASK 0x3 215 216 #define PDO_TYPE(t) ((t) << PDO_TYPE_SHIFT) 217 218 #define PDO_VOLT_MASK 0x3ff 219 #define PDO_CURR_MASK 0x3ff 220 #define PDO_PWR_MASK 0x3ff 221 222 #define PDO_FIXED_DUAL_ROLE BIT(29) /* Power role swap supported */ 223 #define PDO_FIXED_SUSPEND BIT(28) /* USB Suspend supported (Source) */ 224 #define PDO_FIXED_HIGHER_CAP BIT(28) /* Requires more than vSafe5V (Sink) */ 225 #define PDO_FIXED_EXTPOWER BIT(27) /* Externally powered */ 226 #define PDO_FIXED_USB_COMM BIT(26) /* USB communications capable */ 227 #define PDO_FIXED_DATA_SWAP BIT(25) /* Data role swap supported */ 228 #define PDO_FIXED_UNCHUNK_EXT BIT(24) /* Unchunked Extended Message supported (Source) */ 229 #define PDO_FIXED_FRS_CURR_MASK (BIT(24) | BIT(23)) /* FR_Swap Current (Sink) */ 230 #define PDO_FIXED_FRS_CURR_SHIFT 23 231 #define PDO_FIXED_VOLT_SHIFT 10 /* 50mV units */ 232 #define PDO_FIXED_CURR_SHIFT 0 /* 10mA units */ 233 234 #define PDO_FIXED_VOLT(mv) ((((mv) / 50) & PDO_VOLT_MASK) << PDO_FIXED_VOLT_SHIFT) 235 #define PDO_FIXED_CURR(ma) ((((ma) / 10) & PDO_CURR_MASK) << PDO_FIXED_CURR_SHIFT) 236 237 #define PDO_FIXED(mv, ma, flags) \ 238 (PDO_TYPE(PDO_TYPE_FIXED) | (flags) | \ 239 PDO_FIXED_VOLT(mv) | PDO_FIXED_CURR(ma)) 240 241 #define VSAFE5V 5000 /* mv units */ 242 243 #define PDO_BATT_MAX_VOLT_SHIFT 20 /* 50mV units */ 244 #define PDO_BATT_MIN_VOLT_SHIFT 10 /* 50mV units */ 245 #define PDO_BATT_MAX_PWR_SHIFT 0 /* 250mW units */ 246 247 #define PDO_BATT_MIN_VOLT(mv) ((((mv) / 50) & PDO_VOLT_MASK) << PDO_BATT_MIN_VOLT_SHIFT) 248 #define PDO_BATT_MAX_VOLT(mv) ((((mv) / 50) & PDO_VOLT_MASK) << PDO_BATT_MAX_VOLT_SHIFT) 249 #define PDO_BATT_MAX_POWER(mw) ((((mw) / 250) & PDO_PWR_MASK) << PDO_BATT_MAX_PWR_SHIFT) 250 251 #define PDO_BATT(min_mv, max_mv, max_mw) \ 252 (PDO_TYPE(PDO_TYPE_BATT) | PDO_BATT_MIN_VOLT(min_mv) | \ 253 PDO_BATT_MAX_VOLT(max_mv) | PDO_BATT_MAX_POWER(max_mw)) 254 255 #define PDO_VAR_MAX_VOLT_SHIFT 20 /* 50mV units */ 256 #define PDO_VAR_MIN_VOLT_SHIFT 10 /* 50mV units */ 257 #define PDO_VAR_MAX_CURR_SHIFT 0 /* 10mA units */ 258 259 #define PDO_VAR_MIN_VOLT(mv) ((((mv) / 50) & PDO_VOLT_MASK) << PDO_VAR_MIN_VOLT_SHIFT) 260 #define PDO_VAR_MAX_VOLT(mv) ((((mv) / 50) & PDO_VOLT_MASK) << PDO_VAR_MAX_VOLT_SHIFT) 261 #define PDO_VAR_MAX_CURR(ma) ((((ma) / 10) & PDO_CURR_MASK) << PDO_VAR_MAX_CURR_SHIFT) 262 263 #define PDO_VAR(min_mv, max_mv, max_ma) \ 264 (PDO_TYPE(PDO_TYPE_VAR) | PDO_VAR_MIN_VOLT(min_mv) | \ 265 PDO_VAR_MAX_VOLT(max_mv) | PDO_VAR_MAX_CURR(max_ma)) 266 267 enum pd_apdo_type { 268 APDO_TYPE_PPS = 0, 269 }; 270 271 #define PDO_APDO_TYPE_SHIFT 28 /* Only valid value currently is 0x0 - PPS */ 272 #define PDO_APDO_TYPE_MASK 0x3 273 274 #define PDO_APDO_TYPE(t) ((t) << PDO_APDO_TYPE_SHIFT) 275 276 #define PDO_PPS_APDO_MAX_VOLT_SHIFT 17 /* 100mV units */ 277 #define PDO_PPS_APDO_MIN_VOLT_SHIFT 8 /* 100mV units */ 278 #define PDO_PPS_APDO_MAX_CURR_SHIFT 0 /* 50mA units */ 279 280 #define PDO_PPS_APDO_VOLT_MASK 0xff 281 #define PDO_PPS_APDO_CURR_MASK 0x7f 282 283 #define PDO_PPS_APDO_MIN_VOLT(mv) \ 284 ((((mv) / 100) & PDO_PPS_APDO_VOLT_MASK) << PDO_PPS_APDO_MIN_VOLT_SHIFT) 285 #define PDO_PPS_APDO_MAX_VOLT(mv) \ 286 ((((mv) / 100) & PDO_PPS_APDO_VOLT_MASK) << PDO_PPS_APDO_MAX_VOLT_SHIFT) 287 #define PDO_PPS_APDO_MAX_CURR(ma) \ 288 ((((ma) / 50) & PDO_PPS_APDO_CURR_MASK) << PDO_PPS_APDO_MAX_CURR_SHIFT) 289 290 #define PDO_PPS_APDO(min_mv, max_mv, max_ma) \ 291 (PDO_TYPE(PDO_TYPE_APDO) | PDO_APDO_TYPE(APDO_TYPE_PPS) | \ 292 PDO_PPS_APDO_MIN_VOLT(min_mv) | PDO_PPS_APDO_MAX_VOLT(max_mv) | \ 293 PDO_PPS_APDO_MAX_CURR(max_ma)) 294 295 static inline enum pd_pdo_type pdo_type(u32 pdo) 296 { 297 return (pdo >> PDO_TYPE_SHIFT) & PDO_TYPE_MASK; 298 } 299 300 static inline unsigned int pdo_fixed_voltage(u32 pdo) 301 { 302 return ((pdo >> PDO_FIXED_VOLT_SHIFT) & PDO_VOLT_MASK) * 50; 303 } 304 305 static inline unsigned int pdo_min_voltage(u32 pdo) 306 { 307 return ((pdo >> PDO_VAR_MIN_VOLT_SHIFT) & PDO_VOLT_MASK) * 50; 308 } 309 310 static inline unsigned int pdo_max_voltage(u32 pdo) 311 { 312 return ((pdo >> PDO_VAR_MAX_VOLT_SHIFT) & PDO_VOLT_MASK) * 50; 313 } 314 315 static inline unsigned int pdo_max_current(u32 pdo) 316 { 317 return ((pdo >> PDO_VAR_MAX_CURR_SHIFT) & PDO_CURR_MASK) * 10; 318 } 319 320 static inline unsigned int pdo_max_power(u32 pdo) 321 { 322 return ((pdo >> PDO_BATT_MAX_PWR_SHIFT) & PDO_PWR_MASK) * 250; 323 } 324 325 static inline enum pd_apdo_type pdo_apdo_type(u32 pdo) 326 { 327 return (pdo >> PDO_APDO_TYPE_SHIFT) & PDO_APDO_TYPE_MASK; 328 } 329 330 static inline unsigned int pdo_pps_apdo_min_voltage(u32 pdo) 331 { 332 return ((pdo >> PDO_PPS_APDO_MIN_VOLT_SHIFT) & 333 PDO_PPS_APDO_VOLT_MASK) * 100; 334 } 335 336 static inline unsigned int pdo_pps_apdo_max_voltage(u32 pdo) 337 { 338 return ((pdo >> PDO_PPS_APDO_MAX_VOLT_SHIFT) & 339 PDO_PPS_APDO_VOLT_MASK) * 100; 340 } 341 342 static inline unsigned int pdo_pps_apdo_max_current(u32 pdo) 343 { 344 return ((pdo >> PDO_PPS_APDO_MAX_CURR_SHIFT) & 345 PDO_PPS_APDO_CURR_MASK) * 50; 346 } 347 348 /* RDO: Request Data Object */ 349 #define RDO_OBJ_POS_SHIFT 28 350 #define RDO_OBJ_POS_MASK 0x7 351 #define RDO_GIVE_BACK BIT(27) /* Supports reduced operating current */ 352 #define RDO_CAP_MISMATCH BIT(26) /* Not satisfied by source caps */ 353 #define RDO_USB_COMM BIT(25) /* USB communications capable */ 354 #define RDO_NO_SUSPEND BIT(24) /* USB Suspend not supported */ 355 356 #define RDO_PWR_MASK 0x3ff 357 #define RDO_CURR_MASK 0x3ff 358 359 #define RDO_FIXED_OP_CURR_SHIFT 10 360 #define RDO_FIXED_MAX_CURR_SHIFT 0 361 362 #define RDO_OBJ(idx) (((idx) & RDO_OBJ_POS_MASK) << RDO_OBJ_POS_SHIFT) 363 364 #define PDO_FIXED_OP_CURR(ma) ((((ma) / 10) & RDO_CURR_MASK) << RDO_FIXED_OP_CURR_SHIFT) 365 #define PDO_FIXED_MAX_CURR(ma) ((((ma) / 10) & RDO_CURR_MASK) << RDO_FIXED_MAX_CURR_SHIFT) 366 367 #define RDO_FIXED(idx, op_ma, max_ma, flags) \ 368 (RDO_OBJ(idx) | (flags) | \ 369 PDO_FIXED_OP_CURR(op_ma) | PDO_FIXED_MAX_CURR(max_ma)) 370 371 #define RDO_BATT_OP_PWR_SHIFT 10 /* 250mW units */ 372 #define RDO_BATT_MAX_PWR_SHIFT 0 /* 250mW units */ 373 374 #define RDO_BATT_OP_PWR(mw) ((((mw) / 250) & RDO_PWR_MASK) << RDO_BATT_OP_PWR_SHIFT) 375 #define RDO_BATT_MAX_PWR(mw) ((((mw) / 250) & RDO_PWR_MASK) << RDO_BATT_MAX_PWR_SHIFT) 376 377 #define RDO_BATT(idx, op_mw, max_mw, flags) \ 378 (RDO_OBJ(idx) | (flags) | \ 379 RDO_BATT_OP_PWR(op_mw) | RDO_BATT_MAX_PWR(max_mw)) 380 381 #define RDO_PROG_VOLT_MASK 0x7ff 382 #define RDO_PROG_CURR_MASK 0x7f 383 384 #define RDO_PROG_VOLT_SHIFT 9 385 #define RDO_PROG_CURR_SHIFT 0 386 387 #define RDO_PROG_VOLT_MV_STEP 20 388 #define RDO_PROG_CURR_MA_STEP 50 389 390 #define PDO_PROG_OUT_VOLT(mv) \ 391 ((((mv) / RDO_PROG_VOLT_MV_STEP) & RDO_PROG_VOLT_MASK) << RDO_PROG_VOLT_SHIFT) 392 #define PDO_PROG_OP_CURR(ma) \ 393 ((((ma) / RDO_PROG_CURR_MA_STEP) & RDO_PROG_CURR_MASK) << RDO_PROG_CURR_SHIFT) 394 395 #define RDO_PROG(idx, out_mv, op_ma, flags) \ 396 (RDO_OBJ(idx) | (flags) | \ 397 PDO_PROG_OUT_VOLT(out_mv) | PDO_PROG_OP_CURR(op_ma)) 398 399 static inline unsigned int rdo_index(u32 rdo) 400 { 401 return (rdo >> RDO_OBJ_POS_SHIFT) & RDO_OBJ_POS_MASK; 402 } 403 404 static inline unsigned int rdo_op_current(u32 rdo) 405 { 406 return ((rdo >> RDO_FIXED_OP_CURR_SHIFT) & RDO_CURR_MASK) * 10; 407 } 408 409 static inline unsigned int rdo_max_current(u32 rdo) 410 { 411 return ((rdo >> RDO_FIXED_MAX_CURR_SHIFT) & 412 RDO_CURR_MASK) * 10; 413 } 414 415 static inline unsigned int rdo_op_power(u32 rdo) 416 { 417 return ((rdo >> RDO_BATT_OP_PWR_SHIFT) & RDO_PWR_MASK) * 250; 418 } 419 420 static inline unsigned int rdo_max_power(u32 rdo) 421 { 422 return ((rdo >> RDO_BATT_MAX_PWR_SHIFT) & RDO_PWR_MASK) * 250; 423 } 424 425 /* Enter_USB Data Object */ 426 #define EUDO_USB_MODE_MASK GENMASK(30, 28) 427 #define EUDO_USB_MODE_SHIFT 28 428 #define EUDO_USB_MODE_USB2 0 429 #define EUDO_USB_MODE_USB3 1 430 #define EUDO_USB_MODE_USB4 2 431 #define EUDO_USB4_DRD BIT(26) 432 #define EUDO_USB3_DRD BIT(25) 433 #define EUDO_CABLE_SPEED_MASK GENMASK(23, 21) 434 #define EUDO_CABLE_SPEED_SHIFT 21 435 #define EUDO_CABLE_SPEED_USB2 0 436 #define EUDO_CABLE_SPEED_USB3_GEN1 1 437 #define EUDO_CABLE_SPEED_USB4_GEN2 2 438 #define EUDO_CABLE_SPEED_USB4_GEN3 3 439 #define EUDO_CABLE_TYPE_MASK GENMASK(20, 19) 440 #define EUDO_CABLE_TYPE_SHIFT 19 441 #define EUDO_CABLE_TYPE_PASSIVE 0 442 #define EUDO_CABLE_TYPE_RE_TIMER 1 443 #define EUDO_CABLE_TYPE_RE_DRIVER 2 444 #define EUDO_CABLE_TYPE_OPTICAL 3 445 #define EUDO_CABLE_CURRENT_MASK GENMASK(18, 17) 446 #define EUDO_CABLE_CURRENT_SHIFT 17 447 #define EUDO_CABLE_CURRENT_NOTSUPP 0 448 #define EUDO_CABLE_CURRENT_3A 2 449 #define EUDO_CABLE_CURRENT_5A 3 450 #define EUDO_PCIE_SUPPORT BIT(16) 451 #define EUDO_DP_SUPPORT BIT(15) 452 #define EUDO_TBT_SUPPORT BIT(14) 453 #define EUDO_HOST_PRESENT BIT(13) 454 455 /* USB PD timers and counters */ 456 #define PD_T_NO_RESPONSE 5000 /* 4.5 - 5.5 seconds */ 457 #define PD_T_DB_DETECT 10000 /* 10 - 15 seconds */ 458 #define PD_T_SEND_SOURCE_CAP 150 /* 100 - 200 ms */ 459 #define PD_T_SENDER_RESPONSE 60 /* 24 - 30 ms, relaxed */ 460 #define PD_T_RECEIVER_RESPONSE 15 /* 15ms max */ 461 #define PD_T_SOURCE_ACTIVITY 45 462 #define PD_T_SINK_ACTIVITY 135 463 #define PD_T_SINK_WAIT_CAP 310 /* 310 - 620 ms */ 464 #define PD_T_PS_TRANSITION 500 465 #define PD_T_SRC_TRANSITION 35 466 #define PD_T_DRP_SNK 40 467 #define PD_T_DRP_SRC 30 468 #define PD_T_PS_SOURCE_OFF 920 469 #define PD_T_PS_SOURCE_ON 480 470 #define PD_T_PS_SOURCE_ON_PRS 450 /* 390 - 480ms */ 471 #define PD_T_PS_HARD_RESET 30 472 #define PD_T_SRC_RECOVER 760 473 #define PD_T_SRC_RECOVER_MAX 1000 474 #define PD_T_SRC_TURN_ON 275 475 #define PD_T_SAFE_0V 650 476 #define PD_T_VCONN_SOURCE_ON 100 477 #define PD_T_SINK_REQUEST 100 /* 100 ms minimum */ 478 #define PD_T_ERROR_RECOVERY 100 /* minimum 25 is insufficient */ 479 #define PD_T_SRCSWAPSTDBY 625 /* Maximum of 650ms */ 480 #define PD_T_NEWSRC 250 /* Maximum of 275ms */ 481 #define PD_T_SWAP_SRC_START 20 /* Minimum of 20ms */ 482 #define PD_T_BIST_CONT_MODE 50 /* 30 - 60 ms */ 483 #define PD_T_SINK_TX 16 /* 16 - 20 ms */ 484 #define PD_T_CHUNK_NOT_SUPP 42 /* 40 - 50 ms */ 485 486 #define PD_T_DRP_TRY 100 /* 75 - 150 ms */ 487 #define PD_T_DRP_TRYWAIT 600 /* 400 - 800 ms */ 488 489 #define PD_T_CC_DEBOUNCE 200 /* 100 - 200 ms */ 490 #define PD_T_PD_DEBOUNCE 20 /* 10 - 20 ms */ 491 #define PD_T_TRY_CC_DEBOUNCE 15 /* 10 - 20 ms */ 492 493 #define PD_N_CAPS_COUNT (PD_T_NO_RESPONSE / PD_T_SEND_SOURCE_CAP) 494 #define PD_N_HARD_RESET_COUNT 2 495 496 #define PD_P_SNK_STDBY_MW 2500 /* 2500 mW */ 497 498 #if IS_ENABLED(CONFIG_TYPEC) 499 500 struct usb_power_delivery; 501 502 /** 503 * usb_power_delivery_desc - USB Power Delivery Descriptor 504 * @revision: USB Power Delivery Specification Revision 505 * @version: USB Power Delivery Specicication Version - optional 506 */ 507 struct usb_power_delivery_desc { 508 u16 revision; 509 u16 version; 510 }; 511 512 /** 513 * usb_power_delivery_capabilities_desc - Description of USB Power Delivery Capabilities Message 514 * @pdo: The Power Data Objects in the Capability Message 515 * @role: Power role of the capabilities 516 */ 517 struct usb_power_delivery_capabilities_desc { 518 u32 pdo[PDO_MAX_OBJECTS]; 519 enum typec_role role; 520 }; 521 522 struct usb_power_delivery_capabilities * 523 usb_power_delivery_register_capabilities(struct usb_power_delivery *pd, 524 struct usb_power_delivery_capabilities_desc *desc); 525 void usb_power_delivery_unregister_capabilities(struct usb_power_delivery_capabilities *cap); 526 527 struct usb_power_delivery *usb_power_delivery_register(struct device *parent, 528 struct usb_power_delivery_desc *desc); 529 void usb_power_delivery_unregister(struct usb_power_delivery *pd); 530 531 int usb_power_delivery_link_device(struct usb_power_delivery *pd, struct device *dev); 532 void usb_power_delivery_unlink_device(struct usb_power_delivery *pd, struct device *dev); 533 534 #endif /* CONFIG_TYPEC */ 535 536 #endif /* __LINUX_USB_PD_H */ 537