159 lines
5.6 KiB
C
159 lines
5.6 KiB
C
/* $NetBSD: gtvar.h,v 1.13 2007/02/21 23:00:00 thorpej Exp $ */
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/*
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* Copyright (c) 2002 Allegro Networks, Inc., Wasabi Systems, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed for the NetBSD Project by
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* Allegro Networks, Inc., and Wasabi Systems, Inc.
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* 4. The name of Allegro Networks, Inc. may not be used to endorse
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* or promote products derived from this software without specific prior
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* written permission.
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* 5. The name of Wasabi Systems, Inc. may not be used to endorse
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* or promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY ALLEGRO NETWORKS, INC. AND
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* WASABI SYSTEMS, INC. ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL EITHER ALLEGRO NETWORKS, INC. OR WASABI SYSTEMS, INC.
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* gtvar.h -- placeholder for GT system controller driver
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*/
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#ifndef _DISCOVERY_DEV_GTVAR_H_
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#define _DISCOVERY_DEV_GTVAR_H_
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#include <sys/systm.h>
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struct gt_softc {
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struct device gt_dev;
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bus_dma_tag_t gt_dmat;
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bus_space_tag_t gt_memt; /* the GT itself */
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bus_space_tag_t gt_pci0_memt; /* PCI0 mem space */
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bus_space_tag_t gt_pci0_iot; /* PCI0 i/o space */
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bool gt_pci0_host; /* We're host on PCI0 if TRUE */
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bus_space_tag_t gt_pci1_memt; /* PCI1 mem space */
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bus_space_tag_t gt_pci1_iot; /* PCI1 i/o space */
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bool gt_pci1_host; /* We're host on PCI1 if TRUE */
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bus_space_handle_t gt_memh; /* to access the GT registers */
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int gt_childmask; /* what children are present */
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};
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#define GT_CHILDOK(gt, ga, cd, pos, max) \
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(((ga)->ga_unit) < (max) && \
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!((gt)->gt_childmask & (1 << (((ga)->ga_unit) + (pos)))) && \
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!strcmp((ga)->ga_name, (cd)->cd_name))
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#define GT_MPSCOK(gt, ga, cd) GT_CHILDOK((gt), (ga), (cd), 0, 2)
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#define GT_PCIOK(gt, ga, cd) GT_CHILDOK((gt), (ga), (cd), 2, 2)
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#define GT_ETHEROK(gt, ga, cd) GT_CHILDOK((gt), (ga), (cd), 4, 3)
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#define GT_OBIOOK(gt, ga, cd) GT_CHILDOK((gt), (ga), (cd), 7, 5)
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#define GT_I2COK(gt, ga, cd) GT_CHILDOK((gt), (ga), (cd), 12, 1)
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#define GT_CHILDFOUND(gt, ga, pos) \
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((void)(((gt)->gt_childmask |= (1 << (((ga)->ga_unit) + (pos))))))
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#define GT_MPSCFOUND(gt, ga) GT_CHILDFOUND((gt), (ga), 0)
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#define GT_PCIFOUND(gt, ga) GT_CHILDFOUND((gt), (ga), 2)
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#define GT_ETHERFOUND(gt, ga) GT_CHILDFOUND((gt), (ga), 4)
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#define GT_OBIOFOUND(gt, ga) GT_CHILDFOUND((gt), (ga), 7)
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#define GT_I2CFOUND(gt, ga) GT_CHILDFOUND((gt), (ga), 12)
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struct gt_attach_args {
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const char *ga_name; /* class name of device */
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bus_dma_tag_t ga_dmat; /* dma tag */
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bus_space_tag_t ga_memt; /* GT bus space tag */
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bus_space_handle_t ga_memh; /* GT bus space handle */
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int ga_unit; /* instance of ga_name */
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};
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struct obio_attach_args {
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const char *oa_name; /* call name of device */
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bus_space_tag_t oa_memt; /* bus space tag */
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bus_addr_t oa_offset; /* offset (absolute) to device */
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bus_size_t oa_size; /* size (strided) of device */
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int oa_irq; /* irq */
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};
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#ifdef _KERNEL
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#include "locators.h"
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#ifdef DEBUG
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extern int gtpci_debug;
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#endif
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/*
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* Locators for GT private devices, as specified to config.
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*/
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#define GT_UNK_UNIT GTCF_UNIT_DEFAULT /* wcarded 'function' */
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#define OBIO_UNK_OFFSET OBIOCF_OFFSET_DEFAULT /* wcarded 'offset' */
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#define OBIO_UNK_SIZE OBIOCF_SIZE_DEFAULT /* wcarded 'size' */
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#define OBIO_UNK_IRQ OBIOCF_IRQ_DEFAULT /* wcarded 'irq' */
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void gt_attach_common(struct gt_softc *);
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uint32_t gt_read_mpp(void);
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int gt_cfprint(void *, const char *);
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/* int gt_bs_extent_init(struct discovery_bus_space *, char *); AKB */
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int gt_mii_read(struct device *, struct device *, int, int);
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void gt_mii_write(struct device *, struct device *, int, int, int);
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int gtget_macaddr(struct gt_softc *,int, char *);
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void gt_watchdog_service(void);
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bus_addr_t gt_dma_phys_to_bus_mem(bus_dma_tag_t, bus_addr_t);
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bus_addr_t gt_dma_bus_mem_to_phys(bus_dma_tag_t, bus_addr_t);
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#define gt_read(gt,o) \
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bus_space_read_4((gt)->gt_memt, (gt)->gt_memh, (o))
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#define gt_write(gt,o,v) \
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bus_space_write_4((gt)->gt_memt, (gt)->gt_memh, (o), (v))
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#if defined(__powerpc__)
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static __inline int
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atomic_add(volatile int *p, int v)
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{
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int rv;
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int rtmp;
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__asm volatile(
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"1: lwarx %0,0,%2\n"
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" add %1,%3,%0\n"
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" stwcx. %1,0,%2\n"
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" bne- 1b\n"
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" sync"
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: "=&r"(rv), "=&r"(rtmp)
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: "r"(p), "r"(v)
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: "cc");
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return rv;
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}
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#endif /* __powerpc__ */
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#endif /* _KERNEL */
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#endif /* _DISCOVERY_DEV_GTVAR_H_ */
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