/*	$NetBSD: pccbbvar.h,v 1.41 2010/04/20 23:39:11 dyoung Exp $	*/

/*
 * Copyright (c) 1999 HAYAKAWA Koichi.  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.
 *
 * 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.
 */

/* require sys/device.h */
/* require sys/queue.h */
/* require sys/callout.h */
/* require dev/ic/i82365reg.h */

#ifndef _DEV_PCI_PCCBBVAR_H_
#define	_DEV_PCI_PCCBBVAR_H_

#include <sys/mutex.h>
#include <sys/condvar.h>

#define	PCIC_FLAG_SOCKETP	0x0001
#define	PCIC_FLAG_CARDP		0x0002

/* Chipset ID */
#define	CB_UNKNOWN	0	/* NOT Cardbus-PCI bridge */
#define	CB_TI113X	1	/* TI PCI1130/1131 */
#define	CB_TI12XX	2	/* TI PCI12xx/14xx/44xx/15xx/45xx */
#define	CB_RX5C47X	3	/* RICOH RX5C475/476/477 */
#define	CB_RX5C46X	4	/* RICOH RX5C465/466/467 */
#define	CB_TOPIC95	5	/* Toshiba ToPIC95 */
#define	CB_TOPIC95B	6	/* Toshiba ToPIC95B */
#define	CB_TOPIC97	7	/* Toshiba ToPIC97 */
#define	CB_CIRRUS	8	/* Cirrus Logic CL-PD683X */
#define	CB_TI125X	9	/* TI PCI1250/1251(B)/1450 */
#define	CB_TI1420	10	/* TI PCI1420 */
#define	CB_O2MICRO	11	/* O2 Micro 67xx/68xx/69xx */

struct pccbb_intrhand_list;

struct pccbb_win_chain {
	bus_addr_t wc_start;		/* Caution: region [start, end], */
	bus_addr_t wc_end;		/* instead of [start, end). */
	int wc_flags;
	bus_space_handle_t wc_handle;
	TAILQ_ENTRY(pccbb_win_chain) wc_list;
};
#define	PCCBB_MEM_CACHABLE	1

TAILQ_HEAD(pccbb_win_chain_head, pccbb_win_chain);

struct pccbb_softc; /* forward */
struct pcic_handle {
	/* extracted from i82365var.h */
	int     memalloc;
	struct {
		bus_addr_t      addr;
		bus_size_t      size;
		long            offset;
		int             kind;
	} mem[PCIC_MEM_WINS];
	int	ioalloc;
	struct {
		bus_addr_t      addr;
		bus_size_t      size;
		int             width;
	} io[PCIC_IO_WINS];
};

struct pccbb_softc {
	device_t sc_dev;
	bus_space_tag_t sc_iot;
	bus_space_tag_t sc_memt;
	bus_dma_tag_t sc_dmat;

	rbus_tag_t sc_rbus_iot;		/* rbus for i/o donated from parent */
	rbus_tag_t sc_rbus_memt;	/* rbus for mem donated from parent */

	bus_space_tag_t sc_base_memt;
	bus_space_handle_t sc_base_memh;
	bus_size_t sc_base_size;

	struct callout sc_insert_ch;

	void *sc_ih;			/* interrupt handler */
	struct pci_attach_args sc_pa;	/* copy of our attach args */
	u_int32_t sc_flags;
#define	CBB_CARDEXIST	0x01
#define	CBB_INSERTING	0x01000000
#define	CBB_16BITCARD	0x04
#define	CBB_32BITCARD	0x08
#define	CBB_MEMHMAPPED	0x02000000
#define	CBB_SPECMAPPED	0x04000000	/* "special" mapping */

	pci_chipset_tag_t sc_pc;
	pcitag_t sc_tag;
	int sc_chipset;			/* chipset id */

	bus_addr_t sc_mem_start;	/* CardBus/PCMCIA memory start */
	bus_addr_t sc_mem_end;		/* CardBus/PCMCIA memory end */
	bus_addr_t sc_io_start;		/* CardBus/PCMCIA io start */
	bus_addr_t sc_io_end;		/* CardBus/PCMCIA io end */

	/* CardBus stuff */
	struct cardslot_softc *sc_csc;

	struct pccbb_win_chain_head sc_memwindow;
	struct pccbb_win_chain_head sc_iowindow;

	/* pcmcia stuff */
	struct pcic_handle sc_pcmcia_h;
	int sc_pcmcia_flags;
#define	PCCBB_PCMCIA_IO_RELOC	0x01	/* IO addr relocatable stuff exists */
#define	PCCBB_PCMCIA_MEM_32	0x02	/* 32-bit memory address ready */

	volatile int sc_pwrcycle;
	kcondvar_t sc_pwr_cv;
	kmutex_t sc_pwr_mtx;

	/* interrupt handler list on the bridge */
	LIST_HEAD(, pccbb_intrhand_list) sc_pil;
	/* can i call intr handler for child device? */
	bool sc_pil_intr_enable;
};

/*
 * struct pccbb_intrhand_list holds interrupt handler and argument for
 * child devices.
 */

struct pccbb_intrhand_list {
	int (*pil_func)(void *);
	void *pil_arg;
	ipl_cookie_t pil_icookie;
	LIST_ENTRY(pccbb_intrhand_list) pil_next;
};

void pccbb_intr_route(struct pccbb_softc *sc);


#endif /* _DEV_PCI_PCCBBREG_H_ */