/* $NetBSD: esp_isavar.h,v 1.5 2008/04/13 04:55:53 tsutsui Exp $ */

/* $NetBSD: esp_isavar.h,v 1.5 2008/04/13 04:55:53 tsutsui Exp $ */

/*
* Copyright (c) 1997 Allen Briggs.
* 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 Peter Galbavy.
* 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.
*/

/*
* Copyright (c) 1997 Eric S. Hvozda ([email protected])
* 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 Eric S. Hvozda.
* 4. The name of Eric S. Hvozda 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.
*/

struct esp_isa_softc {
struct ncr53c9x_softc sc_ncr53c9x; /* glue to MI code */

int sc_active; /* Pseudo-DMA state vars */
int sc_tc;
int sc_datain;
size_t sc_dmasize;
size_t sc_dmatrans;
uint8_t **sc_dmaaddr;
size_t *sc_pdmalen;

bus_space_tag_t sc_iot;
bus_space_handle_t sc_ioh;
void *sc_ih;
int sc_irq;
int sc_drq;

#ifdef ESP_DEBUG
int sc_debug;
#endif
};

struct esp_isa_probe_data {
int sc_irq;
int sc_isncr;
int sc_rev;
int sc_isfast;
int sc_msize;
int sc_parity;
int sc_sync;
int sc_id;
uint8_t sc_cfg4, sc_cfg5;
};

#define ESP_ISA_IOSIZE 16

int esp_isa_find(bus_space_tag_t, bus_space_handle_t,
struct esp_isa_probe_data *);
void esp_isa_init(struct esp_isa_softc *, struct esp_isa_probe_data *);

#ifdef ESP_DEBUG
extern int esp_isa_debug;

#define ESP_SHOWTRAC 0x01
#define ESP_SHOWREGS 0x02
#define ESP_SHOWMISC 0x04

#define ESP_TRACE(str) \
do {if (esp_isa_debug & ESP_SHOWTRAC) printf str;} while (0)
#define ESP_REGS(str) \
do {if (esp_isa_debug & ESP_SHOWREGS) printf str;} while (0)
#define ESP_MISC(str) \
do {if (esp_isa_debug & ESP_SHOWMISC) printf str;} while (0)
#else
#define ESP_TRACE(str)
#define ESP_REGS(str)
#define ESP_MISC(str)
#endif