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WebSVN – planix.SVN – Blame – /os/branches/feature_tlsv12/sys/src/cmd/usb/usbd/usbd.h – Rev 2

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typedef struct Hub Hub;
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typedef struct Port Port;
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typedef struct DHub DHub;
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typedef struct Devtab Devtab;
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typedef struct Usbfs Usbfs;
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enum
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{
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	Stack	= 32*1024,
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	Dhub	= 0x29,		/* hub descriptor type */
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	Dhublen = 9,		/* hub descriptor length */
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	/* hub class feature selectors */
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	Fhublocalpower	= 0,
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	Fhubovercurrent	= 1,
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	Fportconnection	= 0,
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	Fportenable	= 1,
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	Fportsuspend	= 2,
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	Fportovercurrent = 3,
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	Fportreset	= 4,
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	Fportpower	= 8,
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	Fportlowspeed	= 9,
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	Fcportconnection	= 16,
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	Fcportenable	= 17,
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	Fcportsuspend	= 18,
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	Fcportovercurrent= 19,
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	Fcportreset	= 20,
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	Fportindicator	= 22,
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	/* Port status and status change bits
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	 * Constants at /sys/src/9/pc/usb.h starting with HP-
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	 * must have the same values or root hubs won't work.
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	 */
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	PSpresent	= 0x0001,
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	PSenable	= 0x0002,
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	PSsuspend	= 0x0004,
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	PSovercurrent	= 0x0008,
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	PSreset		= 0x0010,
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	PSpower		= 0x0100,
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	PSslow		= 0x0200,
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	PShigh		= 0x0400,
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	PSstatuschg	= 0x10000,	/* PSpresent changed */
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	PSchange	= 0x20000,	/* PSenable changed */
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	/* port/device state */
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	Pdisabled = 0,		/* must be 0 */
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	Pattached,
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	Pconfiged,
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	/* Delays, timeouts (ms) */
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	Spawndelay	= 100,		/* how often may we re-spawn a driver */
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	Connectdelay	= 500,		/* how much to wait after a connect */
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	Resetdelay	= 20,		/* how much to wait after a reset */
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	Enabledelay	= 20,		/* how much to wait after an enable */
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	Powerdelay	= 100,		/* after powering up ports */
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	Pollms		= 250, 		/* port poll interval */
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	Chgdelay	= 100,		/* waiting for port become stable */
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	Chgtmout	= 1000,		/* ...but at most this much */
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	/*
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	 * device tab for embedded usb drivers.
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	 */
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	DCL = 0x01000000,		/* csp identifies just class */
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	DSC = 0x02000000,		/* csp identifies just subclass */
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	DPT = 0x04000000,		/* csp identifies just proto */
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};
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struct Hub
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{
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	uchar	pwrmode;
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	uchar	compound;
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	uchar	pwrms;		/* time to wait in ms */
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	uchar	maxcurrent;	/*    after powering port*/
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	int	leds;		/* has port indicators? */
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	int	maxpkt;
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	uchar	nport;
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	Port	*port;
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	int	failed;		/* I/O error while enumerating */
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	int	isroot;		/* set if root hub */
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	Dev	*dev;		/* for this hub */
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	Hub	*next;		/* in list of hubs */
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};
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struct Port
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{
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	int	state;		/* state of the device */
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	int	sts;		/* old port status */
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	uchar	removable;
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	uchar	pwrctl;
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	Dev	*dev;		/* attached device (if non-nil) */
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	Hub	*hub;		/* non-nil if hub attached */
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	int	devnb;		/* device number */
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	uvlong	*devmaskp;	/* ptr to dev mask */
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};
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/* USB HUB descriptor */
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struct DHub
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{
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	uchar	bLength;
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	uchar	bDescriptorType;
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	uchar	bNbrPorts;
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	uchar	wHubCharacteristics[2];
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	uchar	bPwrOn2PwrGood;
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	uchar	bHubContrCurrent;
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	uchar	DeviceRemovable[1];	/* variable length */
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};
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struct Devtab
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{
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	char	*name;
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	int	(*init)(Dev*, int, char**);	/* nil if external */
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	int	csps[4];
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	int	vid;
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	int	did;
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	char	*args;
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	uvlong	devmask;
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	int	noauto;
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};
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Hub*	newhub(char *fn, Dev *d);
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int	startdev(Port *pp);
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int	getdevnb(uvlong *maskp);
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void	putdevnb(uvlong *maskp, int nb);
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void	threadmain(int argc, char **argv);
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extern Usbfs usbdfsops;