LXR linux/include/linux/usb/irda.h

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