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      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