sys/arch/arm/xscale/pxa2x0_pcic.h

   1 /*      $NetBSD: pxa2x0_pcic.h,v 1.3 2007/10/17 19:53:44 garbled 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_ */