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/* $OpenBSD: widget.h,v 1.2 2010/04/06 19:02:57 miod Exp $ */
/*
* Copyright (c) 2008 Miodrag Vallat.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _WIDGET_H_
#define _WIDGET_H_
/*
* Common Widget Registers. Every widget provides them.
*
* Registers are 32 or 64 bit wide (depending on the particular widget
* or register) on 64 bit boundaries.
* The widget_{read,write}_[48] functions below hide the addressing
* games required to perform 32 bit accesses.
*/
#define WIDGET_ID 0x0000
#define WIDGET_ID_REV_MASK 0xf0000000
#define WIDGET_ID_REV_SHIFT 28
#define WIDGET_ID_REV(wid) \
(((wid) & WIDGET_ID_REV_MASK) >> WIDGET_ID_REV_SHIFT)
#define WIDGET_ID_PRODUCT_MASK 0x0ffff000
#define WIDGET_ID_PRODUCT_SHIFT 12
#define WIDGET_ID_PRODUCT(wid) \
(((wid) & WIDGET_ID_PRODUCT_MASK) >> WIDGET_ID_PRODUCT_SHIFT)
#define WIDGET_ID_VENDOR_MASK 0x00000ffe
#define WIDGET_ID_VENDOR_SHIFT 1
#define WIDGET_ID_VENDOR(wid) \
(((wid) & WIDGET_ID_VENDOR_MASK) >> WIDGET_ID_VENDOR_SHIFT)
#define WIDGET_STATUS 0x0008
#define WIDGET_ERR_ADDR_UPPER 0x0010
#define WIDGET_ERR_ADDR_LOWER 0x0018
#define WIDGET_CONTROL 0x0020
#define WIDGET_REQ_TIMEOUT 0x0028
#define WIDGET_INTDEST_ADDR_UPPER 0x0030
#define WIDGET_INTDEST_ADDR_LOWER 0x0038
#define WIDGET_ERR_CMD_WORD 0x0040
#define WIDGET_LLP_CFG 0x0048
#define WIDGET_TFLUSH 0x0050
/*
* Crossbow Specific Registers.
*/
#define XBOW_WID_ARB_RELOAD 0x0058
#define XBOW_PERFCNTR_A 0x0060
#define XBOW_PERFCNTR_B 0x0068
#define XBOW_NIC 0x0070
#define XBOW_WIDGET_LINK(w) (0x0100 + ((w) & 7) * 0x0040)
/*
* Crossbow Per-widget ``Link'' Register Set.
*/
#define WIDGET_LINK_IBF 0x0000
#define WIDGET_LINK_CONTROL 0x0008
#define WIDGET_CONTROL_ALIVE 0x80000000
#define WIDGET_LINK_STATUS 0x0010
#define WIDGET_STATUS_ALIVE 0x80000000
#define WIDGET_LINK_ARB_UPPER 0x0018
#define WIDGET_LINK_ARB_LOWER 0x0020
#define WIDGET_LINK_STATUS_CLEAR 0x0028
#define WIDGET_LINK_RESET 0x0030
#define WIDGET_LINK_AUX_STATUS 0x0038
#endif /* _WIDGET_H_ */
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