linux/arch/ia64/sn/include/xtalk/xwidgetdev.h
<<
>>
Prefs
   1/*
   2 * This file is subject to the terms and conditions of the GNU General Public
   3 * License.  See the file "COPYING" in the main directory of this archive
   4 * for more details.
   5 *
   6 * Copyright (C) 1992-1997,2000-2003 Silicon Graphics, Inc. All Rights Reserved.
   7 */
   8#ifndef _ASM_IA64_SN_XTALK_XWIDGET_H
   9#define _ASM_IA64_SN_XTALK_XWIDGET_H
  10
  11/* WIDGET_ID */
  12#define WIDGET_REV_NUM                  0xf0000000
  13#define WIDGET_PART_NUM                 0x0ffff000
  14#define WIDGET_MFG_NUM                  0x00000ffe
  15#define WIDGET_REV_NUM_SHFT             28
  16#define WIDGET_PART_NUM_SHFT            12
  17#define WIDGET_MFG_NUM_SHFT             1
  18
  19#define XWIDGET_PART_NUM(widgetid) (((widgetid) & WIDGET_PART_NUM) >> WIDGET_PART_NUM_SHFT)
  20#define XWIDGET_REV_NUM(widgetid) (((widgetid) & WIDGET_REV_NUM) >> WIDGET_REV_NUM_SHFT)
  21#define XWIDGET_MFG_NUM(widgetid) (((widgetid) & WIDGET_MFG_NUM) >> WIDGET_MFG_NUM_SHFT)
  22#define XWIDGET_PART_REV_NUM(widgetid) ((XWIDGET_PART_NUM(widgetid) << 4) | \
  23                                        XWIDGET_REV_NUM(widgetid))
  24#define XWIDGET_PART_REV_NUM_REV(partrev) (partrev & 0xf)
  25
  26/* widget configuration registers */
  27struct widget_cfg{
  28        u32     w_id;   /* 0x04 */
  29        u32     w_pad_0;        /* 0x00 */
  30        u32     w_status;       /* 0x0c */
  31        u32     w_pad_1;        /* 0x08 */
  32        u32     w_err_upper_addr;       /* 0x14 */
  33        u32     w_pad_2;        /* 0x10 */
  34        u32     w_err_lower_addr;       /* 0x1c */
  35        u32     w_pad_3;        /* 0x18 */
  36        u32     w_control;      /* 0x24 */
  37        u32     w_pad_4;        /* 0x20 */
  38        u32     w_req_timeout;  /* 0x2c */
  39        u32     w_pad_5;        /* 0x28 */
  40        u32     w_intdest_upper_addr;   /* 0x34 */
  41        u32     w_pad_6;        /* 0x30 */
  42        u32     w_intdest_lower_addr;   /* 0x3c */
  43        u32     w_pad_7;        /* 0x38 */
  44        u32     w_err_cmd_word; /* 0x44 */
  45        u32     w_pad_8;        /* 0x40 */
  46        u32     w_llp_cfg;      /* 0x4c */
  47        u32     w_pad_9;        /* 0x48 */
  48        u32     w_tflush;       /* 0x54 */
  49        u32     w_pad_10;       /* 0x50 */
  50};
  51
  52/*
  53 * Crosstalk Widget Hardware Identification, as defined in the Crosstalk spec.
  54 */
  55struct xwidget_hwid{
  56        int             mfg_num;
  57        int             rev_num;
  58        int             part_num;
  59};
  60
  61struct xwidget_info{
  62
  63        struct xwidget_hwid     xwi_hwid;       /* Widget Identification */
  64        char                    xwi_masterxid;  /* Hub's Widget Port Number */
  65        void                    *xwi_hubinfo;     /* Hub's provider private info */
  66        u64                     *xwi_hub_provider; /* prom provider functions */
  67        void                    *xwi_vertex;
  68};
  69
  70#endif                          /* _ASM_IA64_SN_XTALK_XWIDGET_H */
  71