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/* $Id: xtalk_private.h,v 1.1.1.1 2004-04-15 02:58:10 phoenix Exp $
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 1992-1997, 2000-2003 Silicon Graphics, Inc. All Rights Reserved.
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*/
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#ifndef _ASM_SN_XTALK_XTALK_PRIVATE_H
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#define _ASM_SN_XTALK_XTALK_PRIVATE_H
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#include <asm/sn/ioerror.h> /* for error function and arg types */
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#include <linux/devfs_fs_kernel.h>
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#include <asm/sn/xtalk/xwidget.h>
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#include <asm/sn/xtalk/xtalk.h>
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/*
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* xtalk_private.h -- private definitions for xtalk
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* crosstalk drivers should NOT include this file.
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*/
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/*
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* All Crosstalk providers set up PIO using this information.
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*/
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struct xtalk_piomap_s {
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vertex_hdl_t xp_dev; /* a requestor of this mapping */
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xwidgetnum_t xp_target; /* target (node's widget number) */
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iopaddr_t xp_xtalk_addr; /* which crosstalk addr is mapped */
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size_t xp_mapsz; /* size of this mapping */
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caddr_t xp_kvaddr; /* kernel virtual address to use */
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};
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/*
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* All Crosstalk providers set up DMA using this information.
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*/
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struct xtalk_dmamap_s {
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vertex_hdl_t xd_dev; /* a requestor of this mapping */
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xwidgetnum_t xd_target; /* target (node's widget number) */
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};
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/*
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* All Crosstalk providers set up interrupts using this information.
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*/
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struct xtalk_intr_s {
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vertex_hdl_t xi_dev; /* requestor of this intr */
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xwidgetnum_t xi_target; /* master's widget number */
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xtalk_intr_vector_t xi_vector; /* 8-bit interrupt vector */
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iopaddr_t xi_addr; /* xtalk address to generate intr */
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void *xi_sfarg; /* argument for setfunc */
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xtalk_intr_setfunc_t xi_setfunc; /* device's setfunc routine */
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};
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/*
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* Xtalk interrupt handler structure access functions
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*/
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#define xtalk_intr_arg(xt) ((xt)->xi_sfarg)
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#define xwidget_hwid_is_sn0_xswitch(_hwid) \
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(((_hwid)->part_num == XBOW_WIDGET_PART_NUM ) && \
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((_hwid)->mfg_num == XBOW_WIDGET_MFGR_NUM ))
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#define xwidget_hwid_is_sn1_xswitch(_hwid) \
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(((_hwid)->part_num == XXBOW_WIDGET_PART_NUM || \
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(_hwid)->part_num == PXBOW_WIDGET_PART_NUM) && \
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((_hwid)->mfg_num == XXBOW_WIDGET_MFGR_NUM ))
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#define xwidget_hwid_is_xswitch(_hwid) \
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xwidget_hwid_is_sn1_xswitch(_hwid)
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/* common iograph info for all widgets,
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* stashed in FASTINFO of widget connection points.
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*/
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struct xwidget_info_s {
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char *w_fingerprint;
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vertex_hdl_t w_vertex; /* back pointer to vertex */
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xwidgetnum_t w_id; /* widget id */
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struct xwidget_hwid_s w_hwid; /* hardware identification (part/rev/mfg) */
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vertex_hdl_t w_master; /* CACHED widget's master */
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xwidgetnum_t w_masterid; /* CACHED widget's master's widgetnum */
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error_handler_f *w_efunc; /* error handling function */
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error_handler_arg_t w_einfo; /* first parameter for efunc */
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char *w_name; /* canonical hwgraph name */
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};
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extern char widget_info_fingerprint[];
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#endif /* _ASM_SN_XTALK_XTALK_PRIVATE_H */
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