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      1 /*	$Id: imx_pcic.h,v 1.3 2012/10/27 17:17:39 chs Exp $	*/
      2 
      3 /*
      4  * IMX CF interface to pcic/pcmcia
      5  * derived from pxa2x0_pcic
      6  * Sun Apr  1 21:42:37 PDT 2007
      7  */
      8 
      9 /*	$NetBSD: imx_pcic.h,v 1.3 2012/10/27 17:17:39 chs Exp $	*/
     10 /*	$OpenBSD: pxapcicvar.h,v 1.7 2005/12/14 15:08:51 uwe Exp $ */
     11 
     12 /*
     13  * Copyright (c) 2005 Dale Rahn <drahn (at) openbsd.org>
     14  *
     15  * Permission to use, copy, modify, and distribute this software for any
     16  * purpose with or without fee is hereby granted, provided that the above
     17  * copyright notice and this permission notice appear in all copies.
     18  *
     19  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
     20  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
     21  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
     22  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
     23  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
     24  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
     25  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
     26  */
     27 
     28 #ifndef	_IMX_PCIC_H_
     29 #define	_IMX_PCIC_H_
     30 
     31 struct imx_pcic_socket {
     32 	struct imx_pcic_softc *sc;
     33 	int socket;		/* socket number */
     34 	device_t pcmcia;
     35 	struct lwp *event_thread;
     36 
     37 	int flags;
     38 	int power_capability;	/* IMX_PCIC_POWER_3V | IMX_PCIC_POWER_5V */
     39 
     40 	int irqpin;
     41 	void *irq;
     42 
     43 	void *pcictag_cookie;	/* opaque data for pcictag functions */
     44 	struct imx_pcic_tag *pcictag;
     45 };
     46 
     47 /* event */
     48 #define IMX_PCIC_EVENT_INSERTION	0
     49 #define IMX_PCIC_EVENT_REMOVAL	1
     50 
     51 /* flags */
     52 #define IMX_PCIC_FLAG_CARDD	0
     53 #define IMX_PCIC_FLAG_CARDP	1
     54 
     55 struct imx_pcic_tag {
     56 	u_int (*read)(struct imx_pcic_socket *, int);
     57 	void (*write)(struct imx_pcic_socket *, int, u_int);
     58 	void (*set_power)(struct imx_pcic_socket *, int);
     59 	void (*clear_intr)(struct imx_pcic_socket *);
     60 	void *(*intr_establish)(struct imx_pcic_socket *, int,
     61 	    int (*)(void *), void *);
     62 	void (*intr_disestablish)(struct imx_pcic_socket *, void *);
     63 };
     64 
     65 #ifdef NOTYET
     66 /* pcictag registers and their values */
     67 #define IMX_PCIC_CARD_STATUS	0
     68 #define  IMX_PCIC_CARD_INVALID	0
     69 #define  IMX_PCIC_CARD_VALID	1
     70 #define IMX_PCIC_CARD_READY	1
     71 #define IMX_PCIC_CARD_POWER	2
     72 #define  IMX_PCIC_POWER_OFF	0
     73 #define  IMX_PCIC_POWER_3V	1
     74 #define  IMX_PCIC_POWER_5V	2
     75 #define IMX_PCIC_CARD_RESET	3
     76 #endif
     77 
     78 #define IMX_PCIC_NSLOT	1			/* ??? */
     79 
     80 struct imx_pcic_softc {
     81 	device_t sc_dev;
     82 	struct imx_pcic_socket sc_socket[IMX_PCIC_NSLOT];
     83 
     84 	bus_space_tag_t sc_iot;
     85 	bus_space_handle_t sc_memctl_ioh;
     86 
     87 	bus_addr_t sc_pa;
     88 
     89 	void *sc_irq;
     90 	int sc_shutdown;
     91 	int sc_nslots;
     92 	int sc_irqpin[IMX_PCIC_NSLOT];
     93 	int sc_irqcfpin[IMX_PCIC_NSLOT];
     94 
     95 	u_int sc_flags;
     96 #define	PPF_REVERSE_ORDER	(1 << 0)
     97 };
     98 
     99 void	imx_pcic_attach_common(struct imx_pcic_softc *,
    100 	    void (*socket_setup_hook)(struct imx_pcic_socket *));
    101 int	imx_pcic_intr(void *);
    102 void	imx_pcic_create_event_thread(void *);
    103 
    104 #endif	/* _IMX_PCIC_H_ */
    105