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-rw-r--r--linux/mga_warp.c215
1 files changed, 215 insertions, 0 deletions
diff --git a/linux/mga_warp.c b/linux/mga_warp.c
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+/* 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 = %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 -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_device_t *dev )
+{
+ drm_mga_private_t *dev_priv = dev->dev_private;
+ DRM_DEBUG( "%s\n", __FUNCTION__ );
+
+ 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_device_t *dev )
+{
+ drm_mga_private_t *dev_priv = dev->dev_private;
+ u32 wmisc;
+ DRM_DEBUG( "%s\n", __FUNCTION__ );
+
+ /* 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%x\n",
+ wmisc, WMISC_EXPECTED );
+ return -EINVAL;
+ }
+
+ return 0;
+}