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 */ 318struct 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 */ 330struct 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 */ 347struct 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