NetBSD/sys/arch/arm/imx/imx_pcic.h

105 lines
2.9 KiB
C

/* $Id: imx_pcic.h,v 1.2 2008/04/27 18:58:44 matt Exp $ */
/*
* IMX CF interface to pcic/pcmcia
* derived from pxa2x0_pcic
* Sun Apr 1 21:42:37 PDT 2007
*/
/* $NetBSD: imx_pcic.h,v 1.2 2008/04/27 18:58:44 matt Exp $ */
/* $OpenBSD: pxapcicvar.h,v 1.7 2005/12/14 15:08:51 uwe Exp $ */
/*
* Copyright (c) 2005 Dale Rahn <drahn@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _IMX_PCIC_H_
#define _IMX_PCIC_H_
struct imx_pcic_socket {
struct imx_pcic_softc *sc;
int socket; /* socket number */
struct device *pcmcia;
struct lwp *event_thread;
int flags;
int power_capability; /* IMX_PCIC_POWER_3V | IMX_PCIC_POWER_5V */
int irqpin;
void *irq;
void *pcictag_cookie; /* opaque data for pcictag functions */
struct imx_pcic_tag *pcictag;
};
/* event */
#define IMX_PCIC_EVENT_INSERTION 0
#define IMX_PCIC_EVENT_REMOVAL 1
/* flags */
#define IMX_PCIC_FLAG_CARDD 0
#define IMX_PCIC_FLAG_CARDP 1
struct imx_pcic_tag {
u_int (*read)(struct imx_pcic_socket *, int);
void (*write)(struct imx_pcic_socket *, int, u_int);
void (*set_power)(struct imx_pcic_socket *, int);
void (*clear_intr)(struct imx_pcic_socket *);
void *(*intr_establish)(struct imx_pcic_socket *, int,
int (*)(void *), void *);
void (*intr_disestablish)(struct imx_pcic_socket *, void *);
};
#ifdef NOTYET
/* pcictag registers and their values */
#define IMX_PCIC_CARD_STATUS 0
#define IMX_PCIC_CARD_INVALID 0
#define IMX_PCIC_CARD_VALID 1
#define IMX_PCIC_CARD_READY 1
#define IMX_PCIC_CARD_POWER 2
#define IMX_PCIC_POWER_OFF 0
#define IMX_PCIC_POWER_3V 1
#define IMX_PCIC_POWER_5V 2
#define IMX_PCIC_CARD_RESET 3
#endif
#define IMX_PCIC_NSLOT 1 /* ??? */
struct imx_pcic_softc {
struct device sc_dev;
struct imx_pcic_socket sc_socket[IMX_PCIC_NSLOT];
bus_space_tag_t sc_iot;
bus_space_handle_t sc_memctl_ioh;
bus_addr_t sc_pa;
void *sc_irq;
int sc_shutdown;
int sc_nslots;
int sc_irqpin[IMX_PCIC_NSLOT];
int sc_irqcfpin[IMX_PCIC_NSLOT];
u_int sc_flags;
#define PPF_REVERSE_ORDER (1 << 0)
};
void imx_pcic_attach_common(struct imx_pcic_softc *,
void (*socket_setup_hook)(struct imx_pcic_socket *));
int imx_pcic_intr(void *);
void imx_pcic_create_event_thread(void *);
#endif /* _IMX_PCIC_H_ */