mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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e0d795e4f3
General cleanup on ir-usb module. Introduced a common header that could be used also on usb gadget framework. Lot's of cleanups and now using macros from the header file. Signed-off-by: Felipe Balbi <me@felipebalbi.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
152 lines
3.4 KiB
C
152 lines
3.4 KiB
C
/*
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* USB IrDA Bridge Device Definition
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*/
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#ifndef __LINUX_USB_IRDA_H
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#define __LINUX_USB_IRDA_H
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/* This device should use Application-specific class */
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#define USB_SUBCLASS_IRDA 0x02
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/*-------------------------------------------------------------------------*/
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/* Class-Specific requests (bRequest field) */
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#define USB_REQ_CS_IRDA_RECEIVING 1
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#define USB_REQ_CS_IRDA_CHECK_MEDIA_BUSY 3
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#define USB_REQ_CS_IRDA_RATE_SNIFF 4
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#define USB_REQ_CS_IRDA_UNICAST_LIST 5
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#define USB_REQ_CS_IRDA_GET_CLASS_DESC 6
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/*-------------------------------------------------------------------------*/
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/* Class-Specific descriptor */
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#define USB_DT_CS_IRDA 0x21
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/*-------------------------------------------------------------------------*/
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/* Data sizes */
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#define USB_IRDA_DS_2048 (1 << 5)
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#define USB_IRDA_DS_1024 (1 << 4)
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#define USB_IRDA_DS_512 (1 << 3)
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#define USB_IRDA_DS_256 (1 << 2)
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#define USB_IRDA_DS_128 (1 << 1)
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#define USB_IRDA_DS_64 (1 << 0)
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/* Window sizes */
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#define USB_IRDA_WS_7 (1 << 6)
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#define USB_IRDA_WS_6 (1 << 5)
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#define USB_IRDA_WS_5 (1 << 4)
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#define USB_IRDA_WS_4 (1 << 3)
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#define USB_IRDA_WS_3 (1 << 2)
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#define USB_IRDA_WS_2 (1 << 1)
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#define USB_IRDA_WS_1 (1 << 0)
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/* Min turnaround times in usecs */
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#define USB_IRDA_MTT_0 (1 << 7)
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#define USB_IRDA_MTT_10 (1 << 6)
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#define USB_IRDA_MTT_50 (1 << 5)
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#define USB_IRDA_MTT_100 (1 << 4)
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#define USB_IRDA_MTT_500 (1 << 3)
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#define USB_IRDA_MTT_1000 (1 << 2)
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#define USB_IRDA_MTT_5000 (1 << 1)
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#define USB_IRDA_MTT_10000 (1 << 0)
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/* Baud rates */
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#define USB_IRDA_BR_4000000 (1 << 8)
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#define USB_IRDA_BR_1152000 (1 << 7)
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#define USB_IRDA_BR_576000 (1 << 6)
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#define USB_IRDA_BR_115200 (1 << 5)
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#define USB_IRDA_BR_57600 (1 << 4)
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#define USB_IRDA_BR_38400 (1 << 3)
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#define USB_IRDA_BR_19200 (1 << 2)
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#define USB_IRDA_BR_9600 (1 << 1)
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#define USB_IRDA_BR_2400 (1 << 0)
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/* Additional BOFs */
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#define USB_IRDA_AB_0 (1 << 7)
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#define USB_IRDA_AB_1 (1 << 6)
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#define USB_IRDA_AB_2 (1 << 5)
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#define USB_IRDA_AB_3 (1 << 4)
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#define USB_IRDA_AB_6 (1 << 3)
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#define USB_IRDA_AB_12 (1 << 2)
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#define USB_IRDA_AB_24 (1 << 1)
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#define USB_IRDA_AB_48 (1 << 0)
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/* IRDA Rate Sniff */
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#define USB_IRDA_RATE_SNIFF 1
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/*-------------------------------------------------------------------------*/
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struct usb_irda_cs_descriptor {
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__u8 bLength;
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__u8 bDescriptorType;
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__le16 bcdSpecRevision;
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__u8 bmDataSize;
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__u8 bmWindowSize;
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__u8 bmMinTurnaroundTime;
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__le16 wBaudRate;
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__u8 bmAdditionalBOFs;
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__u8 bIrdaRateSniff;
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__u8 bMaxUnicastList;
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} __attribute__ ((packed));
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/*-------------------------------------------------------------------------*/
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/* Data Format */
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#define USB_IRDA_STATUS_MEDIA_BUSY (1 << 7)
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/* The following is a 4-bit value used for both
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* inbound and outbound headers:
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*
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* 0 - speed ignored
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* 1 - 2400 bps
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* 2 - 9600 bps
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* 3 - 19200 bps
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* 4 - 38400 bps
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* 5 - 57600 bps
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* 6 - 115200 bps
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* 7 - 576000 bps
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* 8 - 1.152 Mbps
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* 9 - 5 mbps
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* 10..15 - Reserved
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*/
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#define USB_IRDA_STATUS_LINK_SPEED 0x0f
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/* The following is a 4-bit value used only for
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* outbound header:
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*
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* 0 - No change (BOF ignored)
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* 1 - 48 BOFs
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* 2 - 24 BOFs
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* 3 - 12 BOFs
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* 4 - 6 BOFs
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* 5 - 3 BOFs
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* 6 - 2 BOFs
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* 7 - 1 BOFs
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* 8 - 0 BOFs
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* 9..15 - Reserved
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*/
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#define USB_IRDA_EXTRA_BOFS 0xf0
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struct usb_irda_inbound_header {
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__u8 bmStatus;
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};
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struct usb_irda_outbound_header {
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__u8 bmChange;
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};
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#endif /* __LINUX_USB_IRDA_H */
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