xref: /netbsd/sys/arch/arm/xscale/pxa2x0_pcic.h (revision 6550d01e)
1 /*	$NetBSD: pxa2x0_pcic.h,v 1.4 2009/01/29 12:28:15 nonaka Exp $	*/
2 /*	$OpenBSD: pxapcicvar.h,v 1.7 2005/12/14 15:08:51 uwe Exp $ */
3 
4 /*
5  * Copyright (c) 2005 Dale Rahn <drahn@openbsd.org>
6  *
7  * Permission to use, copy, modify, and distribute this software for any
8  * purpose with or without fee is hereby granted, provided that the above
9  * copyright notice and this permission notice appear in all copies.
10  *
11  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18  */
19 
20 #ifndef	_PXA2X0_PCIC_H_
21 #define	_PXA2X0_PCIC_H_
22 
23 struct pxapcic_socket {
24 	struct pxapcic_softc *sc;
25 	int socket;		/* socket number */
26 	struct device *pcmcia;
27 	struct lwp *event_thread;
28 
29 	int flags;
30 	int power_capability;	/* PXAPCIC_POWER_3V | PXAPCIC_POWER_5V */
31 
32 	int irqpin;
33 	void *irq;
34 
35 	void *pcictag_cookie;	/* opaque data for pcictag functions */
36 	struct pxapcic_tag *pcictag;
37 };
38 
39 /* event */
40 #define PXAPCIC_EVENT_INSERTION	0
41 #define PXAPCIC_EVENT_REMOVAL	1
42 
43 /* flags */
44 #define PXAPCIC_FLAG_CARDD	0
45 #define PXAPCIC_FLAG_CARDP	1
46 
47 struct pxapcic_tag {
48 	u_int (*read)(struct pxapcic_socket *, int);
49 	void (*write)(struct pxapcic_socket *, int, u_int);
50 	void (*set_power)(struct pxapcic_socket *, int);
51 	void (*clear_intr)(struct pxapcic_socket *);
52 	void *(*intr_establish)(struct pxapcic_socket *, int,
53 	    int (*)(void *), void *);
54 	void (*intr_disestablish)(struct pxapcic_socket *, void *);
55 };
56 
57 /* pcictag registers and their values */
58 #define PXAPCIC_CARD_STATUS	0
59 #define  PXAPCIC_CARD_INVALID	0
60 #define  PXAPCIC_CARD_VALID	1
61 #define PXAPCIC_CARD_READY	1
62 #define PXAPCIC_CARD_POWER	2
63 #define  PXAPCIC_POWER_OFF	0
64 #define  PXAPCIC_POWER_3V	1
65 #define  PXAPCIC_POWER_5V	2
66 #define PXAPCIC_CARD_RESET	3
67 
68 #define PXAPCIC_NSLOT	2
69 
70 struct pxapcic_softc {
71 	device_t sc_dev;
72 	struct pxapcic_socket sc_socket[PXAPCIC_NSLOT];
73 
74 	bus_space_tag_t sc_iot;
75 	bus_space_handle_t sc_memctl_ioh;
76 
77 	void *sc_irq;
78 	int sc_shutdown;
79 	int sc_nslots;
80 	int sc_irqpin[PXAPCIC_NSLOT];
81 	int sc_irqcfpin[PXAPCIC_NSLOT];
82 
83 	u_int sc_flags;
84 #define	PPF_REVERSE_ORDER	(1 << 0)
85 };
86 
87 void	pxapcic_attach_common(struct pxapcic_softc *,
88 	    void (*socket_setup_hook)(struct pxapcic_socket *));
89 int	pxapcic_intr(void *);
90 void	pxapcic_create_event_thread(void *);
91 
92 #endif	/* _PXA2X0_PCIC_H_ */
93