kernel/arch/ia64/sn/include/xtalk/xwidgetdev.h

   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 */
  27 struct 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  */
  55 struct xwidget_hwid{
  56         int             mfg_num;
  57         int             rev_num;
  58         int             part_num;
  59 };
  60
  61 struct 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 */