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kernel/linux-rt-4.4.41/arch/ia64/sn/include/xtalk/xwidgetdev.h 2.23 KB
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  /*
   * This file is subject to the terms and conditions of the GNU General Public
   * License.  See the file "COPYING" in the main directory of this archive
   * for more details.
   *
   * Copyright (C) 1992-1997,2000-2003 Silicon Graphics, Inc. All Rights Reserved.
   */
  #ifndef _ASM_IA64_SN_XTALK_XWIDGET_H
  #define _ASM_IA64_SN_XTALK_XWIDGET_H
  
  /* WIDGET_ID */
  #define WIDGET_REV_NUM                  0xf0000000
  #define WIDGET_PART_NUM                 0x0ffff000
  #define WIDGET_MFG_NUM                  0x00000ffe
  #define WIDGET_REV_NUM_SHFT             28
  #define WIDGET_PART_NUM_SHFT            12
  #define WIDGET_MFG_NUM_SHFT             1
  
  #define XWIDGET_PART_NUM(widgetid) (((widgetid) & WIDGET_PART_NUM) >> WIDGET_PART_NUM_SHFT)
  #define XWIDGET_REV_NUM(widgetid) (((widgetid) & WIDGET_REV_NUM) >> WIDGET_REV_NUM_SHFT)
  #define XWIDGET_MFG_NUM(widgetid) (((widgetid) & WIDGET_MFG_NUM) >> WIDGET_MFG_NUM_SHFT)
  #define XWIDGET_PART_REV_NUM(widgetid) ((XWIDGET_PART_NUM(widgetid) << 4) | \
                                          XWIDGET_REV_NUM(widgetid))
  #define XWIDGET_PART_REV_NUM_REV(partrev) (partrev & 0xf)
  
  /* widget configuration registers */
  struct widget_cfg{
  	u32	w_id;	/* 0x04 */
  	u32	w_pad_0;	/* 0x00 */
  	u32	w_status;	/* 0x0c */
  	u32	w_pad_1;	/* 0x08 */
  	u32	w_err_upper_addr;	/* 0x14 */
  	u32	w_pad_2;	/* 0x10 */
  	u32	w_err_lower_addr;	/* 0x1c */
  	u32	w_pad_3;	/* 0x18 */
  	u32	w_control;	/* 0x24 */
  	u32	w_pad_4;	/* 0x20 */
  	u32	w_req_timeout;	/* 0x2c */
  	u32	w_pad_5;	/* 0x28 */
  	u32	w_intdest_upper_addr;	/* 0x34 */
  	u32	w_pad_6;	/* 0x30 */
  	u32	w_intdest_lower_addr;	/* 0x3c */
  	u32	w_pad_7;	/* 0x38 */
  	u32	w_err_cmd_word;	/* 0x44 */
  	u32	w_pad_8;	/* 0x40 */
  	u32	w_llp_cfg;	/* 0x4c */
  	u32	w_pad_9;	/* 0x48 */
  	u32	w_tflush;	/* 0x54 */
  	u32	w_pad_10;	/* 0x50 */
  };
  
  /*
   * Crosstalk Widget Hardware Identification, as defined in the Crosstalk spec.
   */
  struct xwidget_hwid{
  	int		mfg_num;
  	int		rev_num;
  	int		part_num;
  };
  
  struct xwidget_info{
  
  	struct xwidget_hwid	xwi_hwid;	/* Widget Identification */
  	char			xwi_masterxid;	/* Hub's Widget Port Number */
  	void			*xwi_hubinfo;     /* Hub's provider private info */
  	u64			*xwi_hub_provider; /* prom provider functions */
  	void			*xwi_vertex;
  };
  
  #endif                          /* _ASM_IA64_SN_XTALK_XWIDGET_H */