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      1 /*	$NetBSD: sl811hsvar.h,v 1.12 2016/04/23 10:15:31 skrll Exp $	*/
      2 
      3 /*
      4  * Not (c) 2007 Matthew Orgass
      5  * This file is public domain, meaning anyone can make any use of part or all
      6  * of this file including copying into other works without credit.  Any use,
      7  * modified or not, is solely the responsibility of the user.  If this file is
      8  * part of a collection then use in the collection is governed by the terms of
      9  * the collection.
     10  */
     11 
     12 /*
     13  * Cypress/ScanLogic SL811HS USB Host Controller
     14  */
     15 
     16 #include <sys/gcq.h>
     17 
     18 #define SC_DEV(sc)	((sc)->sc_dev)
     19 #define SC_NAME(sc)	(device_xname(SC_DEV(sc)))
     20 
     21 typedef unsigned int Frame;
     22 struct slhci_pipe;
     23 
     24 /* Generally transfer related items. */
     25 struct slhci_transfers {
     26 	struct usbd_xfer *rootintr;
     27 	struct slhci_pipe *spipe[2]; 	/* current transfer (unless canceled) */
     28 	struct gcq_head q[3];		/* transfer queues, Q_* index */
     29 	struct gcq_head timed;		/* intr transfer multi-frame wait */
     30 	struct gcq_head to;		/* timeout list */
     31 	struct gcq_head ap;		/* all pipes */
     32 	Frame frame;			/* current frame */
     33 	unsigned int flags;		/* F_* flags */
     34 	int pend;			/* pending for waitintr */
     35 	int reserved_bustime;
     36 	int16_t len[2];		     	/* length of transfer or -1 if none */
     37 	uint8_t current_tregs[2][4]; 	/* ab, ADR, LEN, PID, DEV */
     38 	uint8_t copyin[2]; 		/* copyin ADR, LEN */
     39 	uint8_t max_current;		/* max current / 2 */
     40 	uint8_t sltype;			/* revision */
     41 };
     42 
     43 enum power_change {
     44 	POWER_OFF,
     45 	POWER_ON,
     46 };
     47 
     48 typedef void (*PowerFunc)(void *, enum power_change);
     49 
     50 /* Attachment code must call slhci_preinit before registering the ISR */
     51 struct slhci_softc {
     52 	device_t		sc_dev;
     53 	struct usbd_bus		sc_bus;
     54 
     55 	kmutex_t		sc_lock;
     56 	kmutex_t		sc_intr_lock;
     57 
     58 	struct slhci_transfers	sc_transfers;	/* Info useful in transfers. */
     59 
     60 	struct gcq_head		sc_waitq;
     61 
     62 	bus_space_tag_t		sc_iot;
     63 	bus_space_handle_t	sc_ioh;
     64 
     65 	struct callout		sc_timer; 	/* for reset */
     66 
     67 	PowerFunc		sc_enable_power;
     68 
     69 	device_t		sc_child;
     70 
     71 	struct timeval		sc_reserved_warn_rate;
     72 	struct timeval		sc_overflow_warn_rate;
     73 
     74 	void			*sc_cb_softintr;
     75 
     76 	unsigned int		sc_ier_check;
     77 
     78 	int			sc_mem_use; /* XXX SLHCI_MEM_ACCOUNTING */
     79 
     80 	uint8_t			sc_ier; 	/* enabled interrupts */
     81 	uint32_t		sc_stride;	/* port stride */
     82 };
     83 
     84 /* last preinit arguments are: max current (in mA, not mA/2), port stride */
     85 /* register access uses byte access, but stride offsets the data port */
     86 int  slhci_supported_rev(uint8_t);
     87 void slhci_preinit(struct slhci_softc *, PowerFunc, bus_space_tag_t,
     88     bus_space_handle_t, uint16_t, uint32_t);
     89 int  slhci_attach(struct slhci_softc *);
     90 int  slhci_detach(struct slhci_softc *, int);
     91 int  slhci_activate(device_t, enum devact);
     92 int  slhci_intr(void *);
     93 
     94