mga_warp.c
上传用户:lgb322
上传日期:2013-02-24
资源大小:30529k
文件大小:7k
- /* 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>
- */
- #define __NO_VERSION__
- #include "mga.h"
- #include "drmP.h"
- #include "mga_drv.h"
- #include "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 = %pn", 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 bytesn", 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 bytesn", 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 -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 -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 -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 -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%xn",
- wmisc, WMISC_EXPECTED );
- return -EINVAL;
- }
- return 0;
- }