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/* $XFree86$ */
/*
* $Workfile: gfx_msr.c $
*
* This file contains routines to read machine-specific registers (MSRs)
*
* Routines:
*
* gfx_msr_init
* gfx_id_msr_device
* gfx_get_msr_dev_address
* gfx_get_glink_id_at_address
* gfx_msr_read
* gfx_msr_write
*
* NSC_LIC_ALTERNATIVE_PREAMBLE
*
* Revision 1.0
*
* National Semiconductor Alternative GPL-BSD License
*
* National Semiconductor Corporation licenses this software
* ("Software"):
*
* Durango
*
* under one of the two following licenses, depending on how the
* Software is received by the Licensee.
*
* If this Software is received as part of the Linux Framebuffer or
* other GPL licensed software, then the GPL license designated
* NSC_LIC_GPL applies to this Software; in all other circumstances
* then the BSD-style license designated NSC_LIC_BSD shall apply.
*
* END_NSC_LIC_ALTERNATIVE_PREAMBLE */
/* NSC_LIC_BSD
*
* National Semiconductor Corporation Open Source License for Durango
*
* (BSD License with Export Notice)
*
* Copyright (c) 1999-2001
* National Semiconductor Corporation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* * Neither the name of the National Semiconductor Corporation nor
* the names of its contributors may be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* NATIONAL SEMICONDUCTOR CORPORATION OR CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE,
* INTELLECTUAL PROPERTY INFRINGEMENT, OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* EXPORT LAWS: THIS LICENSE ADDS NO RESTRICTIONS TO THE EXPORT LAWS OF
* YOUR JURISDICTION. It is licensee's responsibility to comply with
* any export regulations applicable in licensee's jurisdiction. Under
* CURRENT (2001) U.S. export regulations this software
* is eligible for export from the U.S. and can be downloaded by or
* otherwise exported or reexported worldwide EXCEPT to U.S. embargoed
* destinations which include Cuba, Iraq, Libya, North Korea, Iran,
* Syria, Sudan, Afghanistan and any other country to which the U.S.
* has embargoed goods and services.
*
* END_NSC_LIC_BSD */
/* NSC_LIC_GPL
*
* National Semiconductor Corporation Gnu General Public License for Durango
*
* (GPL License with Export Notice)
*
* Copyright (c) 1999-2001
* National Semiconductor Corporation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted under the terms of the GNU General
* Public License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version
*
* In addition to the terms of the GNU General Public License, neither
* the name of the National Semiconductor Corporation nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* NATIONAL SEMICONDUCTOR CORPORATION OR CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE,
* INTELLECTUAL PROPERTY INFRINGEMENT, OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE. See the GNU General Public License for more details.
*
* EXPORT LAWS: THIS LICENSE ADDS NO RESTRICTIONS TO THE EXPORT LAWS OF
* YOUR JURISDICTION. It is licensee's responsibility to comply with
* any export regulations applicable in licensee's jurisdiction. Under
* CURRENT (2001) U.S. export regulations this software
* is eligible for export from the U.S. and can be downloaded by or
* otherwise exported or reexported worldwide EXCEPT to U.S. embargoed
* destinations which include Cuba, Iraq, Libya, North Korea, Iran,
* Syria, Sudan, Afghanistan and any other country to which the U.S.
* has embargoed goods and services.
*
* You should have received a copy of the GNU General Public License
* along with this file; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* END_NSC_LIC_GPL */
/* INCLUDE SUPPORT FOR REDCLOUD, IF SPECIFIED */
#if GFX_MSR_REDCLOUD
#include "msr_rdcl.c"
#endif
/* EXTRA WRAPPERS FOR DYNAMIC SELECTION */
#if GFX_MSR_DYNAMIC
/*-----------------------------------------------------------------------------
* gfx_msr_init
*-----------------------------------------------------------------------------
*/
int
gfx_msr_init()
{
int ret_value = 0;
# if GFX_MSR_REDCLOUD
if (gfx_msr_type & GFX_MSR_TYPE_REDCLOUD)
ret_value = redcloud_msr_init();
# endif
return ret_value;
}
/*-----------------------------------------------------------------------------
* gfx_id_msr_device
*-----------------------------------------------------------------------------
*/
DEV_STATUS
gfx_id_msr_device(MSR * pDev, unsigned long address)
{
DEV_STATUS ret_value = NOT_KNOWN;
# if GFX_MSR_REDCLOUD
if (gfx_msr_type & GFX_MSR_TYPE_REDCLOUD)
ret_value = redcloud_id_msr_device(pDev, address);
# endif
return ret_value;
}
/*-----------------------------------------------------------------------------
* gfx_get_msr_dev_address
*-----------------------------------------------------------------------------
*/
DEV_STATUS
gfx_get_msr_dev_address(unsigned int device, unsigned long *address)
{
DEV_STATUS ret_value = NOT_KNOWN;
# if GFX_MSR_REDCLOUD
if (gfx_msr_type & GFX_MSR_TYPE_REDCLOUD)
ret_value = redcloud_get_msr_dev_address(device, address);
# endif
return ret_value;
}
/*-----------------------------------------------------------------------------
* gfx_get_glink_id_at_address
*-----------------------------------------------------------------------------
*/
DEV_STATUS
gfx_get_glink_id_at_address(unsigned int *device, unsigned long address)
{
DEV_STATUS ret_value = NOT_KNOWN;
# if GFX_MSR_REDCLOUD
if (gfx_msr_type & GFX_MSR_TYPE_REDCLOUD)
ret_value = redcloud_get_glink_id_at_address(device, address);
# endif
return ret_value;
}
/*-----------------------------------------------------------------------------
* gfx_msr_read
*-----------------------------------------------------------------------------
*/
DEV_STATUS
gfx_msr_read(unsigned int device, unsigned int msrRegister, Q_WORD * msrValue)
{
DEV_STATUS ret_value = NOT_KNOWN;
# if GFX_MSR_REDCLOUD
if (gfx_msr_type & GFX_MSR_TYPE_REDCLOUD)
ret_value = redcloud_msr_read(device, msrRegister, msrValue);
# endif
return ret_value;
}
/*-----------------------------------------------------------------------------
* gfx_msr_write
*-----------------------------------------------------------------------------
*/
DEV_STATUS
gfx_msr_write(unsigned int device, unsigned int msrRegister,
Q_WORD * msrValue)
{
DEV_STATUS ret_value = NOT_KNOWN;
# if GFX_MSR_REDCLOUD
if (gfx_msr_type & GFX_MSR_TYPE_REDCLOUD)
ret_value = redcloud_msr_write(device, msrRegister, msrValue);
# endif
return ret_value;
}
#endif
|
