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/* $OpenBSD: iockbcreg.h,v 1.1 2009/11/18 19:03:27 miod Exp $ */
/*
* Copyright (c) 2008 Joel Sing.
*
* 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.
*/
/*
* Register definitions for the PS/2 controller part of SGI IOC3 and IOC4 ASICS.
*/
/* bits in KBC_CTRL_STATUS */
#define IOC3_KBC_STATUS_KBD_WRITE_PENDING 0x00000001
#define IOC3_KBC_STATUS_AUX_WRITE_PENDING 0x00000002
#define IOC3_KBC_STATUS_KBD_DATA 0x00000010
#define IOC3_KBC_STATUS_KBD_CLOCK 0x00000020
#define IOC3_KBC_CTRL_KBD_PULL_DATA_LOW 0x00000040
#define IOC3_KBC_CTRL_KBD_PULL_CLOCK_LOW 0x00000080
#define IOC3_KBC_STATUS_AUX_DATA 0x00000100
#define IOC3_KBC_STATUS_AUX_CLOCK 0x00000200
#define IOC3_KBC_CTRL_AUX_PULL_DATA_LOW 0x00000400
#define IOC3_KBC_CTRL_AUX_PULL_CLOCK_LOW 0x00000800
#define IOC3_KBC_CTRL_KBD_CLAMP_1 0x00100000
#define IOC3_KBC_CTRL_AUX_CLAMP_1 0x00200000
#define IOC3_KBC_CTRL_KBD_CLAMP_3 0x00400000
#define IOC3_KBC_CTRL_AUX_CLAMP_3 0x00800000
/* bits in KBC_*_RX */
#define IOC3_KBC_DATA_0_VALID 0x80000000
#define IOC3_KBC_DATA_1_VALID 0x40000000
#define IOC3_KBC_DATA_2_VALID 0x20000000
#define IOC3_KBC_DATA_VALID (IOC3_KBC_DATA_0_VALID | \
IOC3_KBC_DATA_1_VALID | \
IOC3_KBC_DATA_2_VALID)
#define IOC3_KBC_DATA_0_MASK 0x00ff0000
#define IOC3_KBC_DATA_0_SHIFT 16
#define IOC3_KBC_DATA_1_MASK 0x0000ff00
#define IOC3_KBC_DATA_1_SHIFT 8
#define IOC3_KBC_DATA_2_MASK 0x000000ff
#define IOC3_KBC_DATA_2_SHIFT 0
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