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/* $NetBSD: gtvar.h,v 1.7.4.1 2005/04/29 11:28:56 kent Exp $ */
/*
* Copyright (c) 2002 Allegro Networks, Inc., Wasabi Systems, Inc.
* 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 for the NetBSD Project by
* Allegro Networks, Inc., and Wasabi Systems, Inc.
* 4. The name of Allegro Networks, Inc. may not be used to endorse
* or promote products derived from this software without specific prior
* written permission.
* 5. The name of Wasabi Systems, Inc. may not be used to endorse
* or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY ALLEGRO NETWORKS, INC. AND
* WASABI SYSTEMS, INC. ``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 EITHER ALLEGRO NETWORKS, INC. OR WASABI SYSTEMS, INC.
* 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.
*/
/*
* gtvar.h -- placeholder for GT system controller driver
*/
#ifndef _DISCOVERY_DEV_GTVAR_H_
#define _DISCOVERY_DEV_GTVAR_H_
#include <sys/systm.h>
struct gt_softc {
#ifndef __rtems__
struct device gt_dev;
bus_dma_tag_t gt_dmat;
bus_space_tag_t gt_memt; /* the GT itself */
bus_space_tag_t gt_pci0_memt; /* PCI0 mem space */
bus_space_tag_t gt_pci0_iot; /* PCI0 i/o space */
boolean_t gt_pci0_host; /* We're host on PCI0 if TRUE */
bus_space_tag_t gt_pci1_memt; /* PCI1 mem space */
bus_space_tag_t gt_pci1_iot; /* PCI1 i/o space */
boolean_t gt_pci1_host; /* We're host on PCI1 if TRUE */
bus_space_handle_t gt_memh; /* to access the GT registers */
#else
unsigned gt_memh;
#endif
int gt_childmask; /* what children are present */
};
#define GT_CHILDOK(gt, ga, cd, pos, max) \
(((ga)->ga_unit) < (max) && \
!((gt)->gt_childmask & (1 << (((ga)->ga_unit) + (pos)))) && \
!strcmp((ga)->ga_name, (cd)->cd_name))
#define GT_MPSCOK(gt, ga, cd) GT_CHILDOK((gt), (ga), (cd), 0, 2)
#define GT_PCIOK(gt, ga, cd) GT_CHILDOK((gt), (ga), (cd), 2, 2)
#define GT_ETHEROK(gt, ga, cd) GT_CHILDOK((gt), (ga), (cd), 4, 3)
#define GT_OBIOOK(gt, ga, cd) GT_CHILDOK((gt), (ga), (cd), 7, 5)
#define GT_I2COK(gt, ga, cd) GT_CHILDOK((gt), (ga), (cd), 12, 1)
#define GT_CHILDFOUND(gt, ga, pos) \
((void)(((gt)->gt_childmask |= (1 << (((ga)->ga_unit) + (pos))))))
#define GT_MPSCFOUND(gt, ga) GT_CHILDFOUND((gt), (ga), 0)
#define GT_PCIFOUND(gt, ga) GT_CHILDFOUND((gt), (ga), 2)
#define GT_ETHERFOUND(gt, ga) GT_CHILDFOUND((gt), (ga), 4)
#define GT_OBIOFOUND(gt, ga) GT_CHILDFOUND((gt), (ga), 7)
#define GT_I2CFOUND(gt, ga) GT_CHILDFOUND((gt), (ga), 12)
#ifndef __rtems__
struct gt_attach_args {
const char *ga_name; /* class name of device */
bus_dma_tag_t ga_dmat; /* dma tag */
bus_space_tag_t ga_memt; /* GT bus space tag */
bus_space_handle_t ga_memh; /* GT bus space handle */
int ga_unit; /* instance of ga_name */
};
struct obio_attach_args {
const char *oa_name; /* call name of device */
bus_space_tag_t oa_memt; /* bus space tag */
bus_addr_t oa_offset; /* offset (absolute) to device */
bus_size_t oa_size; /* size (strided) of device */
int oa_irq; /* irq */
};
#endif
#ifdef _KERNEL
#ifndef __rtems__
#include "locators.h"
#endif
#ifdef DEBUG
extern int gtpci_debug;
#endif
/*
* Locators for GT private devices, as specified to config.
*/
#define GT_UNK_UNIT GTCF_UNIT_DEFAULT /* wcarded 'function' */
#define OBIO_UNK_OFFSET OBIOCF_OFFSET_DEFAULT /* wcarded 'offset' */
#define OBIO_UNK_SIZE OBIOCF_SIZE_DEFAULT /* wcarded 'size' */
#define OBIO_UNK_IRQ OBIOCF_IRQ_DEFAULT /* wcarded 'irq' */
void gt_attach_common(struct gt_softc *);
uint32_t gt_read_mpp(void);
int gt_cfprint(void *, const char *);
#ifndef __rtems__
/* int gt_bs_extent_init(struct discovery_bus_space *, char *); AKB */
int gt_mii_read(struct device *, struct device *, int, int);
void gt_mii_write(struct device *, struct device *, int, int, int);
int gtget_macaddr(struct gt_softc *,int, char *);
void gt_watchdog_service(void);
bus_addr_t gt_dma_phys_to_bus_mem(bus_dma_tag_t, bus_addr_t);
bus_addr_t gt_dma_bus_mem_to_phys(bus_dma_tag_t, bus_addr_t);
#define gt_read(gt,o) \
bus_space_read_4((gt)->gt_memt, (gt)->gt_memh, (o))
#define gt_write(gt,o,v) \
bus_space_write_4((gt)->gt_memt, (gt)->gt_memh, (o), (v))
#else
#endif
#if defined(__powerpc__)
static __inline volatile int
atomic_add(volatile int *p, int v)
{
int rv;
int rtmp;
__asm __volatile(
"1: lwarx %0,0,%3\n"
" add %1,%4,%0\n"
" stwcx. %1,0,%3\n"
" bne- 1b\n"
" sync"
: "=&r"(rv), "=&r"(rtmp), "=m"(*p)
: "r"(p), "r"(v), "m"(*p)
: "cc");
return rv;
}
#endif /* __powerpc__ */
#endif /* _KERNEL */
#endif /* _DISCOVERY_DEV_GTVAR_H_ */
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