1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * (C) Copyright 2001 4 * Denis Peter, MPL AG Switzerland 5 * 6 * Note: Part of this code has been derived from linux 7 */ 8 #ifndef _USB_DEFS_H_ 9 #define _USB_DEFS_H_ 10 11 /* USB constants */ 12 13 /* Device and/or Interface Class codes */ 14 #define USB_CLASS_PER_INTERFACE 0 /* for DeviceClass */ 15 #define USB_CLASS_AUDIO 1 16 #define USB_CLASS_COMM 2 17 #define USB_CLASS_HID 3 18 #define USB_CLASS_PRINTER 7 19 #define USB_CLASS_MASS_STORAGE 8 20 #define USB_CLASS_HUB 9 21 #define USB_CLASS_DATA 10 22 #define USB_CLASS_VENDOR_SPEC 0xff 23 24 /* some HID sub classes */ 25 #define USB_SUB_HID_NONE 0 26 #define USB_SUB_HID_BOOT 1 27 28 /* some UID Protocols */ 29 #define USB_PROT_HID_NONE 0 30 #define USB_PROT_HID_KEYBOARD 1 31 #define USB_PROT_HID_MOUSE 2 32 33 34 /* Sub STORAGE Classes */ 35 #define US_SC_RBC 1 /* Typically, flash devices */ 36 #define US_SC_8020 2 /* CD-ROM */ 37 #define US_SC_QIC 3 /* QIC-157 Tapes */ 38 #define US_SC_UFI 4 /* Floppy */ 39 #define US_SC_8070 5 /* Removable media */ 40 #define US_SC_SCSI 6 /* Transparent */ 41 #define US_SC_MIN US_SC_RBC 42 #define US_SC_MAX US_SC_SCSI 43 44 /* STORAGE Protocols */ 45 #define US_PR_CB 1 /* Control/Bulk w/o interrupt */ 46 #define US_PR_CBI 0 /* Control/Bulk/Interrupt */ 47 #define US_PR_BULK 0x50 /* bulk only */ 48 49 /* USB types */ 50 #define USB_TYPE_STANDARD (0x00 << 5) 51 #define USB_TYPE_CLASS (0x01 << 5) 52 #define USB_TYPE_VENDOR (0x02 << 5) 53 #define USB_TYPE_RESERVED (0x03 << 5) 54 55 /* USB recipients */ 56 #define USB_RECIP_DEVICE 0x00 57 #define USB_RECIP_INTERFACE 0x01 58 #define USB_RECIP_ENDPOINT 0x02 59 #define USB_RECIP_OTHER 0x03 60 61 /* USB directions */ 62 #define USB_DIR_OUT 0 63 #define USB_DIR_IN 0x80 64 65 /* 66 * bmRequestType: USB Device Requests, table 9.2 USB 2.0 spec. 67 * (shifted) direction/type/recipient. 68 */ 69 #define DeviceRequest \ 70 ((USB_DIR_IN | USB_TYPE_STANDARD | USB_RECIP_DEVICE) << 8) 71 72 #define DeviceOutRequest \ 73 ((USB_DIR_OUT | USB_TYPE_STANDARD | USB_RECIP_DEVICE) << 8) 74 75 #define InterfaceRequest \ 76 ((USB_DIR_IN | USB_TYPE_STANDARD | USB_RECIP_INTERFACE) << 8) 77 78 #define EndpointRequest \ 79 ((USB_DIR_IN | USB_TYPE_STANDARD | USB_RECIP_INTERFACE) << 8) 80 81 #define EndpointOutRequest \ 82 ((USB_DIR_OUT | USB_TYPE_STANDARD | USB_RECIP_INTERFACE) << 8) 83 84 /* Descriptor types */ 85 #define USB_DT_DEVICE 0x01 86 #define USB_DT_CONFIG 0x02 87 #define USB_DT_STRING 0x03 88 #define USB_DT_INTERFACE 0x04 89 #define USB_DT_ENDPOINT 0x05 90 91 #define USB_DT_HID (USB_TYPE_CLASS | 0x01) 92 #define USB_DT_REPORT (USB_TYPE_CLASS | 0x02) 93 #define USB_DT_PHYSICAL (USB_TYPE_CLASS | 0x03) 94 #define USB_DT_HUB (USB_TYPE_CLASS | 0x09) 95 #define USB_DT_SS_HUB (USB_TYPE_CLASS | 0x0a) 96 97 /* Descriptor sizes per descriptor type */ 98 #define USB_DT_DEVICE_SIZE 18 99 #define USB_DT_CONFIG_SIZE 9 100 #define USB_DT_INTERFACE_SIZE 9 101 #define USB_DT_ENDPOINT_SIZE 7 102 #define USB_DT_ENDPOINT_AUDIO_SIZE 9 /* Audio extension */ 103 #define USB_DT_HUB_NONVAR_SIZE 7 104 #define USB_DT_HID_SIZE 9 105 106 /* Endpoints */ 107 #define USB_ENDPOINT_NUMBER_MASK 0x0f /* in bEndpointAddress */ 108 #define USB_ENDPOINT_DIR_MASK 0x80 109 110 #define USB_ENDPOINT_XFERTYPE_MASK 0x03 /* in bmAttributes */ 111 #define USB_ENDPOINT_XFER_CONTROL 0 112 #define USB_ENDPOINT_XFER_ISOC 1 113 #define USB_ENDPOINT_XFER_BULK 2 114 #define USB_ENDPOINT_XFER_INT 3 115 116 /* USB Packet IDs (PIDs) */ 117 #define USB_PID_UNDEF_0 0xf0 118 #define USB_PID_OUT 0xe1 119 #define USB_PID_ACK 0xd2 120 #define USB_PID_DATA0 0xc3 121 #define USB_PID_UNDEF_4 0xb4 122 #define USB_PID_SOF 0xa5 123 #define USB_PID_UNDEF_6 0x96 124 #define USB_PID_UNDEF_7 0x87 125 #define USB_PID_UNDEF_8 0x78 126 #define USB_PID_IN 0x69 127 #define USB_PID_NAK 0x5a 128 #define USB_PID_DATA1 0x4b 129 #define USB_PID_PREAMBLE 0x3c 130 #define USB_PID_SETUP 0x2d 131 #define USB_PID_STALL 0x1e 132 #define USB_PID_UNDEF_F 0x0f 133 134 /* Standard requests */ 135 #define USB_REQ_GET_STATUS 0x00 136 #define USB_REQ_CLEAR_FEATURE 0x01 137 #define USB_REQ_SET_FEATURE 0x03 138 #define USB_REQ_SET_ADDRESS 0x05 139 #define USB_REQ_GET_DESCRIPTOR 0x06 140 #define USB_REQ_SET_DESCRIPTOR 0x07 141 #define USB_REQ_GET_CONFIGURATION 0x08 142 #define USB_REQ_SET_CONFIGURATION 0x09 143 #define USB_REQ_GET_INTERFACE 0x0A 144 #define USB_REQ_SET_INTERFACE 0x0B 145 #define USB_REQ_SYNCH_FRAME 0x0C 146 147 /* HID requests */ 148 #define USB_REQ_GET_REPORT 0x01 149 #define USB_REQ_GET_IDLE 0x02 150 #define USB_REQ_GET_PROTOCOL 0x03 151 #define USB_REQ_SET_REPORT 0x09 152 #define USB_REQ_SET_IDLE 0x0A 153 #define USB_REQ_SET_PROTOCOL 0x0B 154 155 /* Device features */ 156 #define USB_FEAT_HALT 0x00 157 #define USB_FEAT_WAKEUP 0x01 158 #define USB_FEAT_TEST 0x02 159 160 /* Test modes */ 161 #define USB_TEST_MODE_J 0x01 162 #define USB_TEST_MODE_K 0x02 163 #define USB_TEST_MODE_SE0_NAK 0x03 164 #define USB_TEST_MODE_PACKET 0x04 165 #define USB_TEST_MODE_FORCE_ENABLE 0x05 166 167 168 /* 169 * "pipe" definitions, use unsigned so we can compare reliably, since this 170 * value is shifted up to bits 30/31. 171 */ 172 #define PIPE_ISOCHRONOUS 0U 173 #define PIPE_INTERRUPT 1U 174 #define PIPE_CONTROL 2U 175 #define PIPE_BULK 3U 176 #define PIPE_DEVEP_MASK 0x0007ff00 177 178 #define USB_ISOCHRONOUS 0 179 #define USB_INTERRUPT 1 180 #define USB_CONTROL 2 181 #define USB_BULK 3 182 183 #define USB_PIPE_TYPE_SHIFT 30 184 #define USB_PIPE_TYPE_MASK (3 << USB_PIPE_TYPE_SHIFT) 185 186 #define USB_PIPE_DEV_SHIFT 8 187 #define USB_PIPE_DEV_MASK (0x7f << USB_PIPE_DEV_SHIFT) 188 189 #define USB_PIPE_EP_SHIFT 15 190 #define USB_PIPE_EP_MASK (0xf << USB_PIPE_EP_SHIFT) 191 192 /* USB-status codes: */ 193 #define USB_ST_ACTIVE 0x1 /* TD is active */ 194 #define USB_ST_STALLED 0x2 /* TD is stalled */ 195 #define USB_ST_BUF_ERR 0x4 /* buffer error */ 196 #define USB_ST_BABBLE_DET 0x8 /* Babble detected */ 197 #define USB_ST_NAK_REC 0x10 /* NAK Received*/ 198 #define USB_ST_CRC_ERR 0x20 /* CRC/timeout Error */ 199 #define USB_ST_BIT_ERR 0x40 /* Bitstuff error */ 200 #define USB_ST_NOT_PROC 0x80000000L /* Not yet processed */ 201 202 203 /************************************************************************* 204 * Hub defines 205 */ 206 207 /* 208 * Hub request types 209 */ 210 211 #define USB_RT_HUB (USB_TYPE_CLASS | USB_RECIP_DEVICE) 212 #define USB_RT_PORT (USB_TYPE_CLASS | USB_RECIP_OTHER) 213 214 /* 215 * Hub Class feature numbers 216 */ 217 #define C_HUB_LOCAL_POWER 0 218 #define C_HUB_OVER_CURRENT 1 219 220 /* 221 * Port feature numbers 222 */ 223 #define USB_PORT_FEAT_CONNECTION 0 224 #define USB_PORT_FEAT_ENABLE 1 225 #define USB_PORT_FEAT_SUSPEND 2 226 #define USB_PORT_FEAT_OVER_CURRENT 3 227 #define USB_PORT_FEAT_RESET 4 228 #define USB_PORT_FEAT_POWER 8 229 #define USB_PORT_FEAT_LOWSPEED 9 230 #define USB_PORT_FEAT_HIGHSPEED 10 231 #define USB_PORT_FEAT_C_CONNECTION 16 232 #define USB_PORT_FEAT_C_ENABLE 17 233 #define USB_PORT_FEAT_C_SUSPEND 18 234 #define USB_PORT_FEAT_C_OVER_CURRENT 19 235 #define USB_PORT_FEAT_C_RESET 20 236 #define USB_PORT_FEAT_TEST 21 237 238 /* 239 * Changes to Port feature numbers for Super speed, 240 * from USB 3.0 spec Table 10-8 241 */ 242 #define USB_SS_PORT_FEAT_U1_TIMEOUT 23 243 #define USB_SS_PORT_FEAT_U2_TIMEOUT 24 244 #define USB_SS_PORT_FEAT_C_LINK_STATE 25 245 #define USB_SS_PORT_FEAT_C_CONFIG_ERROR 26 246 #define USB_SS_PORT_FEAT_BH_RESET 28 247 #define USB_SS_PORT_FEAT_C_BH_RESET 29 248 249 /* wPortStatus bits */ 250 #define USB_PORT_STAT_CONNECTION 0x0001 251 #define USB_PORT_STAT_ENABLE 0x0002 252 #define USB_PORT_STAT_SUSPEND 0x0004 253 #define USB_PORT_STAT_OVERCURRENT 0x0008 254 #define USB_PORT_STAT_RESET 0x0010 255 #define USB_PORT_STAT_POWER 0x0100 256 #define USB_PORT_STAT_LOW_SPEED 0x0200 257 #define USB_PORT_STAT_HIGH_SPEED 0x0400 /* support for EHCI */ 258 #define USB_PORT_STAT_SUPER_SPEED 0x0600 /* faking support to XHCI */ 259 #define USB_PORT_STAT_SPEED_MASK \ 260 (USB_PORT_STAT_LOW_SPEED | USB_PORT_STAT_HIGH_SPEED) 261 262 /* 263 * Changes to wPortStatus bit field in USB 3.0 264 * See USB 3.0 spec Table 10-10 265 */ 266 #define USB_SS_PORT_STAT_LINK_STATE 0x01e0 267 #define USB_SS_PORT_STAT_POWER 0x0200 268 #define USB_SS_PORT_STAT_SPEED 0x1c00 269 #define USB_SS_PORT_STAT_SPEED_5GBPS 0x0000 270 /* Bits that are the same from USB 2.0 */ 271 #define USB_SS_PORT_STAT_MASK (USB_PORT_STAT_CONNECTION | \ 272 USB_PORT_STAT_ENABLE | \ 273 USB_PORT_STAT_OVERCURRENT | \ 274 USB_PORT_STAT_RESET) 275 276 /* wPortChange bits */ 277 #define USB_PORT_STAT_C_CONNECTION 0x0001 278 #define USB_PORT_STAT_C_ENABLE 0x0002 279 #define USB_PORT_STAT_C_SUSPEND 0x0004 280 #define USB_PORT_STAT_C_OVERCURRENT 0x0008 281 #define USB_PORT_STAT_C_RESET 0x0010 282 283 /* 284 * Changes to wPortChange bit fields in USB 3.0 285 * See USB 3.0 spec Table 10-12 286 */ 287 #define USB_SS_PORT_STAT_C_BH_RESET 0x0020 288 #define USB_SS_PORT_STAT_C_LINK_STATE 0x0040 289 #define USB_SS_PORT_STAT_C_CONFIG_ERROR 0x0080 290 291 /* wHubCharacteristics (masks) */ 292 #define HUB_CHAR_LPSM 0x0003 293 #define HUB_CHAR_COMPOUND 0x0004 294 #define HUB_CHAR_OCPM 0x0018 295 #define HUB_CHAR_TTTT 0x0060 /* TT Think Time mask */ 296 297 /* 298 * Hub Status & Hub Change bit masks 299 */ 300 #define HUB_STATUS_LOCAL_POWER 0x0001 301 #define HUB_STATUS_OVERCURRENT 0x0002 302 303 #define HUB_CHANGE_LOCAL_POWER 0x0001 304 #define HUB_CHANGE_OVERCURRENT 0x0002 305 306 /* Mask for wIndex in get/set port feature */ 307 #define USB_HUB_PORT_MASK 0xf 308 309 /* Hub class request codes */ 310 #define USB_REQ_SET_HUB_DEPTH 0x0c 311 312 /* 313 * As of USB 2.0, full/low speed devices are segregated into trees. 314 * One type grows from USB 1.1 host controllers (OHCI, UHCI etc). 315 * The other type grows from high speed hubs when they connect to 316 * full/low speed devices using "Transaction Translators" (TTs). 317 */ 318 struct usb_tt { 319 bool multi; /* true means one TT per port */ 320 unsigned think_time; /* think time in ns */ 321 }; 322 323 /* 324 * CBI style 325 */ 326 327 #define US_CBI_ADSC 0 328 329 /* Command Block Wrapper */ 330 struct umass_bbb_cbw { 331 __u32 dCBWSignature; 332 # define CBWSIGNATURE 0x43425355 333 __u32 dCBWTag; 334 __u32 dCBWDataTransferLength; 335 __u8 bCBWFlags; 336 # define CBWFLAGS_OUT 0x00 337 # define CBWFLAGS_IN 0x80 338 # define CBWFLAGS_SBZ 0x7f 339 __u8 bCBWLUN; 340 __u8 bCDBLength; 341 # define CBWCDBLENGTH 16 342 __u8 CBWCDB[CBWCDBLENGTH]; 343 }; 344 #define UMASS_BBB_CBW_SIZE 31 345 346 /* Command Status Wrapper */ 347 struct umass_bbb_csw { 348 __u32 dCSWSignature; 349 # define CSWSIGNATURE 0x53425355 350 __u32 dCSWTag; 351 __u32 dCSWDataResidue; 352 __u8 bCSWStatus; 353 # define CSWSTATUS_GOOD 0x0 354 # define CSWSTATUS_FAILED 0x1 355 # define CSWSTATUS_PHASE 0x2 356 }; 357 #define UMASS_BBB_CSW_SIZE 13 358 359 /* 360 * BULK only 361 */ 362 #define US_BBB_RESET 0xff 363 #define US_BBB_GET_MAX_LUN 0xfe 364 365 #endif /*_USB_DEFS_H_ */ 366