cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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irda.h (3853B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2/*
      3 * USB IrDA Bridge Device Definition
      4 */
      5
      6#ifndef __LINUX_USB_IRDA_H
      7#define __LINUX_USB_IRDA_H
      8
      9/* This device should use Application-specific class */
     10
     11#define USB_SUBCLASS_IRDA			0x02
     12
     13/*-------------------------------------------------------------------------*/
     14
     15/* Class-Specific requests (bRequest field) */
     16
     17#define USB_REQ_CS_IRDA_RECEIVING		1
     18#define USB_REQ_CS_IRDA_CHECK_MEDIA_BUSY	3
     19#define USB_REQ_CS_IRDA_RATE_SNIFF		4
     20#define USB_REQ_CS_IRDA_UNICAST_LIST		5
     21#define USB_REQ_CS_IRDA_GET_CLASS_DESC		6
     22
     23/*-------------------------------------------------------------------------*/
     24
     25/* Class-Specific descriptor */
     26
     27#define USB_DT_CS_IRDA				0x21
     28
     29/*-------------------------------------------------------------------------*/
     30
     31/* Data sizes */
     32
     33#define USB_IRDA_DS_2048			(1 << 5)
     34#define USB_IRDA_DS_1024			(1 << 4)
     35#define USB_IRDA_DS_512				(1 << 3)
     36#define USB_IRDA_DS_256				(1 << 2)
     37#define USB_IRDA_DS_128				(1 << 1)
     38#define USB_IRDA_DS_64				(1 << 0)
     39
     40/* Window sizes */
     41
     42#define USB_IRDA_WS_7				(1 << 6)
     43#define USB_IRDA_WS_6				(1 << 5)
     44#define USB_IRDA_WS_5				(1 << 4)
     45#define USB_IRDA_WS_4				(1 << 3)
     46#define USB_IRDA_WS_3				(1 << 2)
     47#define USB_IRDA_WS_2				(1 << 1)
     48#define USB_IRDA_WS_1				(1 << 0)
     49
     50/* Min turnaround times in usecs */
     51
     52#define USB_IRDA_MTT_0				(1 << 7)
     53#define USB_IRDA_MTT_10				(1 << 6)
     54#define USB_IRDA_MTT_50				(1 << 5)
     55#define USB_IRDA_MTT_100			(1 << 4)
     56#define USB_IRDA_MTT_500			(1 << 3)
     57#define USB_IRDA_MTT_1000			(1 << 2)
     58#define USB_IRDA_MTT_5000			(1 << 1)
     59#define USB_IRDA_MTT_10000			(1 << 0)
     60
     61/* Baud rates */
     62
     63#define USB_IRDA_BR_4000000			(1 << 8)
     64#define USB_IRDA_BR_1152000			(1 << 7)
     65#define USB_IRDA_BR_576000			(1 << 6)
     66#define USB_IRDA_BR_115200			(1 << 5)
     67#define USB_IRDA_BR_57600			(1 << 4)
     68#define USB_IRDA_BR_38400			(1 << 3)
     69#define USB_IRDA_BR_19200			(1 << 2)
     70#define USB_IRDA_BR_9600			(1 << 1)
     71#define USB_IRDA_BR_2400			(1 << 0)
     72
     73/* Additional BOFs */
     74
     75#define USB_IRDA_AB_0				(1 << 7)
     76#define USB_IRDA_AB_1				(1 << 6)
     77#define USB_IRDA_AB_2				(1 << 5)
     78#define USB_IRDA_AB_3				(1 << 4)
     79#define USB_IRDA_AB_6				(1 << 3)
     80#define USB_IRDA_AB_12				(1 << 2)
     81#define USB_IRDA_AB_24				(1 << 1)
     82#define USB_IRDA_AB_48				(1 << 0)
     83
     84/* IRDA Rate Sniff */
     85
     86#define USB_IRDA_RATE_SNIFF			1
     87
     88/*-------------------------------------------------------------------------*/
     89
     90struct usb_irda_cs_descriptor {
     91	__u8	bLength;
     92	__u8	bDescriptorType;
     93
     94	__le16	bcdSpecRevision;
     95	__u8	bmDataSize;
     96	__u8	bmWindowSize;
     97	__u8	bmMinTurnaroundTime;
     98	__le16	wBaudRate;
     99	__u8	bmAdditionalBOFs;
    100	__u8	bIrdaRateSniff;
    101	__u8	bMaxUnicastList;
    102} __attribute__ ((packed));
    103
    104/*-------------------------------------------------------------------------*/
    105
    106/* Data Format */
    107
    108#define USB_IRDA_STATUS_MEDIA_BUSY	(1 << 7)
    109
    110/* The following is a 4-bit value used for both
    111 * inbound and outbound headers:
    112 *
    113 * 0 - speed ignored
    114 * 1 - 2400 bps
    115 * 2 - 9600 bps
    116 * 3 - 19200 bps
    117 * 4 - 38400 bps
    118 * 5 - 57600 bps
    119 * 6 - 115200 bps
    120 * 7 - 576000 bps
    121 * 8 - 1.152 Mbps
    122 * 9 - 4 Mbps
    123 * 10..15 - Reserved
    124 */
    125#define USB_IRDA_STATUS_LINK_SPEED	0x0f
    126
    127#define USB_IRDA_LS_NO_CHANGE		0
    128#define USB_IRDA_LS_2400		1
    129#define USB_IRDA_LS_9600		2
    130#define USB_IRDA_LS_19200		3
    131#define USB_IRDA_LS_38400		4
    132#define USB_IRDA_LS_57600		5
    133#define USB_IRDA_LS_115200		6
    134#define USB_IRDA_LS_576000		7
    135#define USB_IRDA_LS_1152000		8
    136#define USB_IRDA_LS_4000000		9
    137
    138/* The following is a 4-bit value used only for
    139 * outbound header:
    140 *
    141 * 0 - No change (BOF ignored)
    142 * 1 - 48 BOFs
    143 * 2 - 24 BOFs
    144 * 3 - 12 BOFs
    145 * 4 - 6 BOFs
    146 * 5 - 3 BOFs
    147 * 6 - 2 BOFs
    148 * 7 - 1 BOFs
    149 * 8 - 0 BOFs
    150 * 9..15 - Reserved
    151 */
    152#define USB_IRDA_EXTRA_BOFS		0xf0
    153
    154struct usb_irda_inbound_header {
    155	__u8		bmStatus;
    156};
    157
    158struct usb_irda_outbound_header {
    159	__u8		bmChange;
    160};
    161
    162#endif /* __LINUX_USB_IRDA_H */
    163