diff options
Diffstat (limited to 'drivers/char/drm/mga_warp.c')
| -rw-r--r-- | drivers/char/drm/mga_warp.c | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/drivers/char/drm/mga_warp.c b/drivers/char/drm/mga_warp.c new file mode 100644 index 000000000000..0a3a0cc700dc --- /dev/null +++ b/drivers/char/drm/mga_warp.c @@ -0,0 +1,210 @@ +/* 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> + */ + +#include "drmP.h" +#include "drm.h" +#include "mga_drm.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 = %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; +} |