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root/include/linux/usb/irda.h

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INCLUDED FROM


/*
 * USB IrDA Bridge Device Definition
 */

#ifndef __LINUX_USB_IRDA_H
#define __LINUX_USB_IRDA_H

/* This device should use Application-specific class */

#define USB_SUBCLASS_IRDA                       0x02

/*-------------------------------------------------------------------------*/

/* Class-Specific requests (bRequest field) */

#define USB_REQ_CS_IRDA_RECEIVING               1
#define USB_REQ_CS_IRDA_CHECK_MEDIA_BUSY        3
#define USB_REQ_CS_IRDA_RATE_SNIFF              4
#define USB_REQ_CS_IRDA_UNICAST_LIST            5
#define USB_REQ_CS_IRDA_GET_CLASS_DESC          6

/*-------------------------------------------------------------------------*/

/* Class-Specific descriptor */

#define USB_DT_CS_IRDA                          0x21

/*-------------------------------------------------------------------------*/

/* Data sizes */

#define USB_IRDA_DS_2048                        (1 << 5)
#define USB_IRDA_DS_1024                        (1 << 4)
#define USB_IRDA_DS_512                         (1 << 3)
#define USB_IRDA_DS_256                         (1 << 2)
#define USB_IRDA_DS_128                         (1 << 1)
#define USB_IRDA_DS_64                          (1 << 0)

/* Window sizes */

#define USB_IRDA_WS_7                           (1 << 6)
#define USB_IRDA_WS_6                           (1 << 5)
#define USB_IRDA_WS_5                           (1 << 4)
#define USB_IRDA_WS_4                           (1 << 3)
#define USB_IRDA_WS_3                           (1 << 2)
#define USB_IRDA_WS_2                           (1 << 1)
#define USB_IRDA_WS_1                           (1 << 0)

/* Min turnaround times in usecs */

#define USB_IRDA_MTT_0                          (1 << 7)
#define USB_IRDA_MTT_10                         (1 << 6)
#define USB_IRDA_MTT_50                         (1 << 5)
#define USB_IRDA_MTT_100                        (1 << 4)
#define USB_IRDA_MTT_500                        (1 << 3)
#define USB_IRDA_MTT_1000                       (1 << 2)
#define USB_IRDA_MTT_5000                       (1 << 1)
#define USB_IRDA_MTT_10000                      (1 << 0)

/* Baud rates */

#define USB_IRDA_BR_4000000                     (1 << 8)
#define USB_IRDA_BR_1152000                     (1 << 7)
#define USB_IRDA_BR_576000                      (1 << 6)
#define USB_IRDA_BR_115200                      (1 << 5)
#define USB_IRDA_BR_57600                       (1 << 4)
#define USB_IRDA_BR_38400                       (1 << 3)
#define USB_IRDA_BR_19200                       (1 << 2)
#define USB_IRDA_BR_9600                        (1 << 1)
#define USB_IRDA_BR_2400                        (1 << 0)

/* Additional BOFs */

#define USB_IRDA_AB_0                           (1 << 7)
#define USB_IRDA_AB_1                           (1 << 6)
#define USB_IRDA_AB_2                           (1 << 5)
#define USB_IRDA_AB_3                           (1 << 4)
#define USB_IRDA_AB_6                           (1 << 3)
#define USB_IRDA_AB_12                          (1 << 2)
#define USB_IRDA_AB_24                          (1 << 1)
#define USB_IRDA_AB_48                          (1 << 0)

/* IRDA Rate Sniff */

#define USB_IRDA_RATE_SNIFF                     1

/*-------------------------------------------------------------------------*/

struct usb_irda_cs_descriptor {
        __u8    bLength;
        __u8    bDescriptorType;

        __le16  bcdSpecRevision;
        __u8    bmDataSize;
        __u8    bmWindowSize;
        __u8    bmMinTurnaroundTime;
        __le16  wBaudRate;
        __u8    bmAdditionalBOFs;
        __u8    bIrdaRateSniff;
        __u8    bMaxUnicastList;
} __attribute__ ((packed));

/*-------------------------------------------------------------------------*/

/* Data Format */

#define USB_IRDA_STATUS_MEDIA_BUSY      (1 << 7)

/* The following is a 4-bit value used for both
 * inbound and outbound headers:
 *
 * 0 - speed ignored
 * 1 - 2400 bps
 * 2 - 9600 bps
 * 3 - 19200 bps
 * 4 - 38400 bps
 * 5 - 57600 bps
 * 6 - 115200 bps
 * 7 - 576000 bps
 * 8 - 1.152 Mbps
 * 9 - 5 mbps
 * 10..15 - Reserved
 */
#define USB_IRDA_STATUS_LINK_SPEED      0x0f

/* The following is a 4-bit value used only for
 * outbound header:
 *
 * 0 - No change (BOF ignored)
 * 1 - 48 BOFs
 * 2 - 24 BOFs
 * 3 - 12 BOFs
 * 4 - 6 BOFs
 * 5 - 3 BOFs
 * 6 - 2 BOFs
 * 7 - 1 BOFs
 * 8 - 0 BOFs
 * 9..15 - Reserved
 */
#define USB_IRDA_EXTRA_BOFS             0xf0

struct usb_irda_inbound_header {
        __u8            bmStatus;
};

struct usb_irda_outbound_header {
        __u8            bmChange;
};

#endif /* __LINUX_USB_IRDA_H */


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