/* $NetBSD: eisa_machdep.c,v 1.6 2022/06/18 22:11:00 andvar Exp $ */

/* $NetBSD: eisa_machdep.c,v 1.6 2022/06/18 22:11:00 andvar Exp $ */

/*-
* Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
* NASA Ames Research Center.
*
* 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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``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 FOUNDATION OR CONTRIBUTORS
* 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) 1996 Christopher G. Demetriou. 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 Christopher G. Demetriou
* for the NetBSD Project.
* 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.
*/

/*
* Machine-specific functions for EISA autoconfiguration.
*/

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: eisa_machdep.c,v 1.6 2022/06/18 22:11:00 andvar Exp $");

#include <sys/types.h>
#include <sys/param.h>
#include <sys/time.h>
#include <sys/systm.h>
#include <sys/errno.h>
#include <sys/device.h>
#include <sys/extent.h>

#define _POWERPC_BUS_DMA_PRIVATE
#include <sys/bus.h>
#include <machine/pio.h>
#include <machine/intr.h>

#include <dev/isa/isareg.h>
#include <dev/isa/isavar.h>
#include <dev/eisa/eisavar.h>

/*
* EISA doesn't have any special needs; just use the generic versions
* of these functions.
*/
struct powerpc_bus_dma_tag eisa_bus_dma_tag = {
0, /* _bounce_thresh */
_bus_dmamap_create,
_bus_dmamap_destroy,
_bus_dmamap_load,
_bus_dmamap_load_mbuf,
_bus_dmamap_load_uio,
_bus_dmamap_load_raw,
_bus_dmamap_unload,
NULL, /* _dmamap_sync */
_bus_dmamem_alloc,
_bus_dmamem_free,
_bus_dmamem_map,
_bus_dmamem_unmap,
_bus_dmamem_mmap,
};

void
eisa_attach_hook(device_t parent, device_t self,
struct eisabus_attach_args *eba)
{
/* Nothing to do. */
}

int
eisa_maxslots(eisa_chipset_tag_t ec)
{

/*
* Always try 16 slots.
*/
return (16);
}

int
eisa_intr_map(eisa_chipset_tag_t ec, u_int irq, eisa_intr_handle_t *ihp)
{
if (irq >= I8259_INTR_NUM) {
printf("eisa_intr_map: bad IRQ %d\n", irq);
*ihp = -1;
return 1;
}
if (irq == 2) {
printf("eisa_intr_map: changed IRQ 2 to IRQ 9\n");
irq = 9;
}

*ihp = irq;
return 0;
}

const char *
eisa_intr_string(eisa_chipset_tag_t ec, eisa_intr_handle_t ih, char *buf,
size_t len)
{
if (ih == 0 || (ih & 0xff) >= I8259_INTR_NUM || ih == 2)
panic("eisa_intr_string: bogus handle 0x%x", ih);

snprintf(buf, len, "irq %d", ih);
return buf;

}

const struct evcnt *
eisa_intr_evcnt(eisa_chipset_tag_t ec, eisa_intr_handle_t ih)
{

/* XXX for now, no evcnt parent reported */
return NULL;
}

void *
eisa_intr_establish(eisa_chipset_tag_t ec, eisa_intr_handle_t ih,
int type, int level, int (*func)(void *), void *arg)
{
int irq;

irq = ih;
return (void *)intr_establish(irq, type, level, func, arg);
}

void
eisa_intr_disestablish(eisa_chipset_tag_t ec, void *cookie)
{

intr_disestablish(cookie);
}

int
eisa_conf_read_mem(eisa_chipset_tag_t ec, int slot, int func, int entry,
struct eisa_cfg_mem *ecm)
{

/* XXX XXX XXX */
return (ENOENT);
}

int
eisa_conf_read_irq(eisa_chipset_tag_t ec, int slot, int func, int entry,
struct eisa_cfg_irq *eci)
{

/* XXX XXX XXX */
return (ENOENT);
}

int
eisa_conf_read_dma(eisa_chipset_tag_t ec, int slot, int func, int entry,
struct eisa_cfg_dma *ecd)
{

/* XXX XXX XXX */
return (ENOENT);
}

int
eisa_conf_read_io(eisa_chipset_tag_t ec, int slot, int func, int entry,
struct eisa_cfg_io *ecio)
{

/* XXX XXX XXX */
return (ENOENT);
}