xref: /netbsd-src/sys/dev/ic/sl811hsvar.h (revision 4e8e66439e246961c4367c78584be80e23f52897)
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