FreeBSD-5.3/sys/dev/drm/mga_warp.c
/* mga_warp.c -- Matrox G200/G400 WARP engine management -*- linux-c -*-
* Created: Thu Jan 11 21:29:32 2001 by gareth@valinux.com
*
* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors:
* Gareth Hughes <gareth@valinux.com>
*
* $FreeBSD: src/sys/dev/drm/mga_warp.c,v 1.5 2003/08/19 02:57:31 anholt Exp $
*/
#include "dev/drm/mga.h"
#include "dev/drm/drmP.h"
#include "dev/drm/drm.h"
#include "dev/drm/mga_drm.h"
#include "dev/drm/mga_drv.h"
#include "dev/drm/mga_ucode.h"
#define MGA_WARP_CODE_ALIGN 256 /* in bytes */
#define WARP_UCODE_SIZE( which ) \
((sizeof(which) / MGA_WARP_CODE_ALIGN + 1) * MGA_WARP_CODE_ALIGN)
#define WARP_UCODE_INSTALL( which, where ) \
do { \
DRM_DEBUG( " pcbase = 0x%08lx vcbase = %p\n", pcbase, vcbase );\
dev_priv->warp_pipe_phys[where] = pcbase; \
memcpy( vcbase, which, sizeof(which) ); \
pcbase += WARP_UCODE_SIZE( which ); \
vcbase += WARP_UCODE_SIZE( which ); \
} while (0)
static unsigned int mga_warp_g400_microcode_size( drm_mga_private_t *dev_priv )
{
unsigned int size;
size = ( WARP_UCODE_SIZE( warp_g400_tgz ) +
WARP_UCODE_SIZE( warp_g400_tgza ) +
WARP_UCODE_SIZE( warp_g400_tgzaf ) +
WARP_UCODE_SIZE( warp_g400_tgzf ) +
WARP_UCODE_SIZE( warp_g400_tgzs ) +
WARP_UCODE_SIZE( warp_g400_tgzsa ) +
WARP_UCODE_SIZE( warp_g400_tgzsaf ) +
WARP_UCODE_SIZE( warp_g400_tgzsf ) +
WARP_UCODE_SIZE( warp_g400_t2gz ) +
WARP_UCODE_SIZE( warp_g400_t2gza ) +
WARP_UCODE_SIZE( warp_g400_t2gzaf ) +
WARP_UCODE_SIZE( warp_g400_t2gzf ) +
WARP_UCODE_SIZE( warp_g400_t2gzs ) +
WARP_UCODE_SIZE( warp_g400_t2gzsa ) +
WARP_UCODE_SIZE( warp_g400_t2gzsaf ) +
WARP_UCODE_SIZE( warp_g400_t2gzsf ) );
size = PAGE_ALIGN( size );
DRM_DEBUG( "G400 ucode size = %d bytes\n", size );
return size;
}
static unsigned int mga_warp_g200_microcode_size( drm_mga_private_t *dev_priv )
{
unsigned int size;
size = ( WARP_UCODE_SIZE( warp_g200_tgz ) +
WARP_UCODE_SIZE( warp_g200_tgza ) +
WARP_UCODE_SIZE( warp_g200_tgzaf ) +
WARP_UCODE_SIZE( warp_g200_tgzf ) +
WARP_UCODE_SIZE( warp_g200_tgzs ) +
WARP_UCODE_SIZE( warp_g200_tgzsa ) +
WARP_UCODE_SIZE( warp_g200_tgzsaf ) +
WARP_UCODE_SIZE( warp_g200_tgzsf ) );
size = PAGE_ALIGN( size );
DRM_DEBUG( "G200 ucode size = %d bytes\n", size );
return size;
}
static int mga_warp_install_g400_microcode( drm_mga_private_t *dev_priv )
{
unsigned char *vcbase = dev_priv->warp->handle;
unsigned long pcbase = dev_priv->warp->offset;
unsigned int size;
size = mga_warp_g400_microcode_size( dev_priv );
if ( size > dev_priv->warp->size ) {
DRM_ERROR( "microcode too large! (%u > %lu)\n",
size, dev_priv->warp->size );
return DRM_ERR(ENOMEM);
}
memset( dev_priv->warp_pipe_phys, 0,
sizeof(dev_priv->warp_pipe_phys) );
WARP_UCODE_INSTALL( warp_g400_tgz, MGA_WARP_TGZ );
WARP_UCODE_INSTALL( warp_g400_tgzf, MGA_WARP_TGZF );
WARP_UCODE_INSTALL( warp_g400_tgza, MGA_WARP_TGZA );
WARP_UCODE_INSTALL( warp_g400_tgzaf, MGA_WARP_TGZAF );
WARP_UCODE_INSTALL( warp_g400_tgzs, MGA_WARP_TGZS );
WARP_UCODE_INSTALL( warp_g400_tgzsf, MGA_WARP_TGZSF );
WARP_UCODE_INSTALL( warp_g400_tgzsa, MGA_WARP_TGZSA );
WARP_UCODE_INSTALL( warp_g400_tgzsaf, MGA_WARP_TGZSAF );
WARP_UCODE_INSTALL( warp_g400_t2gz, MGA_WARP_T2GZ );
WARP_UCODE_INSTALL( warp_g400_t2gzf, MGA_WARP_T2GZF );
WARP_UCODE_INSTALL( warp_g400_t2gza, MGA_WARP_T2GZA );
WARP_UCODE_INSTALL( warp_g400_t2gzaf, MGA_WARP_T2GZAF );
WARP_UCODE_INSTALL( warp_g400_t2gzs, MGA_WARP_T2GZS );
WARP_UCODE_INSTALL( warp_g400_t2gzsf, MGA_WARP_T2GZSF );
WARP_UCODE_INSTALL( warp_g400_t2gzsa, MGA_WARP_T2GZSA );
WARP_UCODE_INSTALL( warp_g400_t2gzsaf, MGA_WARP_T2GZSAF );
return 0;
}
static int mga_warp_install_g200_microcode( drm_mga_private_t *dev_priv )
{
unsigned char *vcbase = dev_priv->warp->handle;
unsigned long pcbase = dev_priv->warp->offset;
unsigned int size;
size = mga_warp_g200_microcode_size( dev_priv );
if ( size > dev_priv->warp->size ) {
DRM_ERROR( "microcode too large! (%u > %lu)\n",
size, dev_priv->warp->size );
return DRM_ERR(ENOMEM);
}
memset( dev_priv->warp_pipe_phys, 0,
sizeof(dev_priv->warp_pipe_phys) );
WARP_UCODE_INSTALL( warp_g200_tgz, MGA_WARP_TGZ );
WARP_UCODE_INSTALL( warp_g200_tgzf, MGA_WARP_TGZF );
WARP_UCODE_INSTALL( warp_g200_tgza, MGA_WARP_TGZA );
WARP_UCODE_INSTALL( warp_g200_tgzaf, MGA_WARP_TGZAF );
WARP_UCODE_INSTALL( warp_g200_tgzs, MGA_WARP_TGZS );
WARP_UCODE_INSTALL( warp_g200_tgzsf, MGA_WARP_TGZSF );
WARP_UCODE_INSTALL( warp_g200_tgzsa, MGA_WARP_TGZSA );
WARP_UCODE_INSTALL( warp_g200_tgzsaf, MGA_WARP_TGZSAF );
return 0;
}
int mga_warp_install_microcode( drm_mga_private_t *dev_priv )
{
switch ( dev_priv->chipset ) {
case MGA_CARD_TYPE_G400:
return mga_warp_install_g400_microcode( dev_priv );
case MGA_CARD_TYPE_G200:
return mga_warp_install_g200_microcode( dev_priv );
default:
return DRM_ERR(EINVAL);
}
}
#define WMISC_EXPECTED (MGA_WUCODECACHE_ENABLE | MGA_WMASTER_ENABLE)
int mga_warp_init( drm_mga_private_t *dev_priv )
{
u32 wmisc;
/* FIXME: Get rid of these damned magic numbers...
*/
switch ( dev_priv->chipset ) {
case MGA_CARD_TYPE_G400:
MGA_WRITE( MGA_WIADDR2, MGA_WMODE_SUSPEND );
MGA_WRITE( MGA_WGETMSB, 0x00000E00 );
MGA_WRITE( MGA_WVRTXSZ, 0x00001807 );
MGA_WRITE( MGA_WACCEPTSEQ, 0x18000000 );
break;
case MGA_CARD_TYPE_G200:
MGA_WRITE( MGA_WIADDR, MGA_WMODE_SUSPEND );
MGA_WRITE( MGA_WGETMSB, 0x1606 );
MGA_WRITE( MGA_WVRTXSZ, 7 );
break;
default:
return DRM_ERR(EINVAL);
}
MGA_WRITE( MGA_WMISC, (MGA_WUCODECACHE_ENABLE |
MGA_WMASTER_ENABLE |
MGA_WCACHEFLUSH_ENABLE) );
wmisc = MGA_READ( MGA_WMISC );
if ( wmisc != WMISC_EXPECTED ) {
DRM_ERROR( "WARP engine config failed! 0x%x != 0x%x\n",
wmisc, WMISC_EXPECTED );
return DRM_ERR(EINVAL);
}
return 0;
}