/*	$NetBSD: pcmciavar.h,v 1.9 1998/12/29 09:00:28 marc Exp $	*/
/* $FreeBSD: src/sys/dev/pccard/pccardvar.h,v 1.6.2.3 2002/09/01 05:45:51 imp Exp $ */
/* $DragonFly: src/sys/bus/pccard/pccardvar.h,v 1.2 2003/06/17 04:28:29 dillon Exp $ */

/*
 * Copyright (c) 1997 Marc Horowitz.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by Marc Horowitz.
 * 4. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <sys/types.h>
#include <sys/queue.h>

#include <machine/bus.h>

extern int	pccard_verbose;

/*
 * Contains information about mapped/allocated i/o spaces.
 */
struct pccard_io_handle {
	bus_space_tag_t iot;		/* bus space tag (from chipset) */
	bus_space_handle_t ioh;		/* mapped space handle */
	bus_addr_t      addr;		/* resulting address in bus space */
	bus_size_t      size;		/* size of i/o space */
	int             flags;		/* misc. information */
	int		width;
};

#define	PCCARD_IO_ALLOCATED	0x01	/* i/o space was allocated */

/*
 * Contains information about allocated memory space.
 */
struct pccard_mem_handle {
	bus_space_tag_t memt;		/* bus space tag (from chipset) */
	bus_space_handle_t memh;	/* mapped space handle */
	bus_addr_t      addr;		/* resulting address in bus space */
	bus_size_t      size;		/* size of mem space */
	bus_size_t      realsize;	/* how much we really allocated */
	long		offset;
	int		kind;
};

/* pccard itself */

#define PCCARD_CFE_MWAIT_REQUIRED	0x0001
#define PCCARD_CFE_RDYBSY_ACTIVE	0x0002
#define PCCARD_CFE_WP_ACTIVE		0x0004
#define PCCARD_CFE_BVD_ACTIVE		0x0008
#define PCCARD_CFE_IO8			0x0010
#define PCCARD_CFE_IO16			0x0020
#define PCCARD_CFE_IRQSHARE		0x0040
#define PCCARD_CFE_IRQPULSE		0x0080
#define PCCARD_CFE_IRQLEVEL		0x0100
#define PCCARD_CFE_POWERDOWN		0x0200
#define PCCARD_CFE_READONLY		0x0400
#define PCCARD_CFE_AUDIO		0x0800

struct pccard_config_entry {
	int		number;
	u_int32_t	flags;
	int		iftype;
	int		num_iospace;

	/*
	 * The card will only decode this mask in any case, so we can
	 * do dynamic allocation with this in mind, in case the suggestions
	 * below are no good.
	 */
	u_long		iomask;
	struct {
		u_long	length;
		u_long	start;
	} iospace[4];		/* XXX this could be as high as 16 */
	u_int16_t	irqmask;
	int		num_memspace;
	struct {
		u_long	length;
		u_long	cardaddr;
		u_long	hostaddr;
	} memspace[2];		/* XXX this could be as high as 8 */
	int		maxtwins;
	STAILQ_ENTRY(pccard_config_entry) cfe_list;
};

struct pccard_function {
	/* read off the card */
	int		number;
	int		function;
	int		last_config_index;
	u_long		ccr_base;
	u_long		ccr_mask;
	struct resource *ccr_res;
	int		ccr_rid;
	STAILQ_HEAD(, pccard_config_entry) cfe_head;
	STAILQ_ENTRY(pccard_function) pf_list;
	/* run-time state */
	struct pccard_softc *sc;
	struct pccard_config_entry *cfe;
	struct pccard_mem_handle pf_pcmh;
#define	pf_ccrt		pf_pcmh.memt
#define	pf_ccrh		pf_pcmh.memh
#define	pf_ccr_realsize	pf_pcmh.realsize
	bus_addr_t	pf_ccr_offset;
	int		pf_ccr_window;
	long		pf_mfc_iobase;
	long		pf_mfc_iomax;
	int		(*ih_fct)(void *);
	void		*ih_arg;
	int		ih_ipl;
	int		pf_flags;
};

/* pf_flags */
#define	PFF_ENABLED	0x0001		/* function is enabled */

struct pccard_card {
	int		cis1_major;
	int		cis1_minor;
	/* XXX waste of space? */
	char		cis1_info_buf[256];
	char		*cis1_info[4];
	/*
	 * Use int32_t for manufacturer and product so that they can
	 * hold the id value found in card CIS and special value that
	 * indicates no id was found.
	 */
	int32_t		manufacturer;
#define	PCCARD_VENDOR_INVALID	-1
	int32_t		product;
#define	PCCARD_PRODUCT_INVALID		-1
	u_int16_t	error;
#define	PCCARD_CIS_INVALID		{ NULL, NULL, NULL, NULL }
	STAILQ_HEAD(, pccard_function) pf_head;
};

#define	PCCARD_MEM_ATTR		1
#define	PCCARD_MEM_COMMON	2

#define	PCCARD_WIDTH_AUTO	0
#define	PCCARD_WIDTH_IO8	1
#define	PCCARD_WIDTH_IO16	2

/* More later? */
struct pccard_ivar {
	struct resource_list resources;
	int	slotnum;
};

struct pccard_softc {
	device_t		dev;
	/* this stuff is for the socket */

	/* this stuff is for the card */
	struct pccard_card card;
	void		*ih;
	int		sc_enabled_count;	/* num functions enabled */

};

void
pccardbus_if_setup(struct pccard_softc*);

struct pccard_cis_quirk {
	int32_t manufacturer;
	int32_t product;
	char *cis1_info[4];
	struct pccard_function *pf;
	struct pccard_config_entry *cfe;
};

struct pccard_tuple {
	unsigned int	code;
	unsigned int	length;
	u_long		mult;
	bus_addr_t	ptr;
	bus_space_tag_t	memt;
	bus_space_handle_t memh;
};

void	pccard_read_cis(struct pccard_softc *);
void	pccard_check_cis_quirks(device_t);
void	pccard_print_cis(device_t);
int	pccard_scan_cis(device_t, 
		int (*) (struct pccard_tuple *, void *), void *);

#define	pccard_cis_read_1(tuple, idx0)					\
	(bus_space_read_1((tuple)->memt, (tuple)->memh, (tuple)->mult*(idx0)))

#define	pccard_tuple_read_1(tuple, idx1)				\
	(pccard_cis_read_1((tuple), ((tuple)->ptr+(2+(idx1)))))

#define	pccard_tuple_read_2(tuple, idx2)				\
	(pccard_tuple_read_1((tuple), (idx2)) | 			\
	 (pccard_tuple_read_1((tuple), (idx2)+1)<<8))

#define	pccard_tuple_read_3(tuple, idx3)				\
	(pccard_tuple_read_1((tuple), (idx3)) |				\
	 (pccard_tuple_read_1((tuple), (idx3)+1)<<8) |			\
	 (pccard_tuple_read_1((tuple), (idx3)+2)<<16))

#define	pccard_tuple_read_4(tuple, idx4)				\
	(pccard_tuple_read_1((tuple), (idx4)) |				\
	 (pccard_tuple_read_1((tuple), (idx4)+1)<<8) |			\
	 (pccard_tuple_read_1((tuple), (idx4)+2)<<16) |			\
	 (pccard_tuple_read_1((tuple), (idx4)+3)<<24))

#define	pccard_tuple_read_n(tuple, n, idxn)				\
	(((n)==1)?pccard_tuple_read_1((tuple), (idxn)) :		\
	 (((n)==2)?pccard_tuple_read_2((tuple), (idxn)) :		\
	  (((n)==3)?pccard_tuple_read_3((tuple), (idxn)) :		\
	   /* n == 4 */ pccard_tuple_read_4((tuple), (idxn)))))

#define	PCCARD_SPACE_MEMORY	1
#define	PCCARD_SPACE_IO		2

int	pccard_ccr_read(struct pccard_function *, int);
void	pccard_ccr_write(struct pccard_function *, int, int);

#define	pccard_mfc(sc)	(STAILQ_FIRST(&(sc)->card.pf_head) &&		\
		 STAILQ_NEXT(STAILQ_FIRST(&(sc)->card.pf_head),pf_list))

void	pccard_function_init(struct pccard_function *,
	    struct pccard_config_entry *);
int	pccard_function_enable(struct pccard_function *);
void	pccard_function_disable(struct pccard_function *);

#define	pccard_io_alloc(pf, start, size, align, pciop)			\
	(pccard_chip_io_alloc((pf)->sc->pct, pf->sc->pch, (start),	\
	 (size), (align), (pciop)))

#define	pccard_io_free(pf, pciohp)					\
	(pccard_chip_io_free((pf)->sc->pct, (pf)->sc->pch, (pciohp)))

int	pccard_io_map(struct pccard_function *, int, bus_addr_t,
	    bus_size_t, struct pccard_io_handle *, int *);
void	pccard_io_unmap(struct pccard_function *, int);

#define pccard_mem_alloc(pf, size, pcmhp)				\
	(pccard_chip_mem_alloc((pf)->sc->pct, (pf)->sc->pch, (size), (pcmhp)))

#define pccard_mem_free(pf, pcmhp)					\
	(pccard_chip_mem_free((pf)->sc->pct, (pf)->sc->pch, (pcmhp)))

#define pccard_mem_map(pf, kind, card_addr, size, pcmhp, offsetp, windowp) \
	(pccard_chip_mem_map((pf)->sc->pct, (pf)->sc->pch, (kind),	\
	 (card_addr), (size), (pcmhp), (offsetp), (windowp)))

#define	pccard_mem_unmap(pf, window)					\
	(pccard_chip_mem_unmap((pf)->sc->pct, (pf)->sc->pch, (window)))

/* ivar interface */
enum {
	PCCARD_IVAR_ETHADDR,	/* read ethernet address from CIS tupple */
	PCCARD_IVAR_VENDOR,
	PCCARD_IVAR_PRODUCT,
	PCCARD_IVAR_PRODEXT,
	PCCARD_IVAR_FUNCTION_NUMBER,
	PCCARD_IVAR_VENDOR_STR,	/* CIS string for "Manufacturer" */
	PCCARD_IVAR_PRODUCT_STR,/* CIS strnig for "Product" */
	PCCARD_IVAR_CIS3_STR,
	PCCARD_IVAR_CIS4_STR,
	PCCARD_IVAR_FUNCTION
};

/* read ethernet address from CIS tupple */
__inline static int
pccard_get_ether(device_t dev, u_char *enaddr)
{
	return BUS_READ_IVAR(device_get_parent(dev), dev, 
	    PCCARD_IVAR_ETHADDR, (uintptr_t *)enaddr);
}

/* shared memory flags */
enum {
	PCCARD_A_MEM_ATTR=1,    /* attribute */
	PCCARD_A_MEM_COM,       /* common */
	PCCARD_A_MEM_8BIT,      /* 8 bit */
	PCCARD_A_MEM_16BIT      /* 16 bit */
};