1 /*        $NetBSD: pxa2x0_pcic.h,v 1.5 2012/10/27 17:17:42 chs 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           device_t 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