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path: root/drivers/gpu/drm/mga/mga_warp.c
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Diffstat (limited to 'drivers/gpu/drm/mga/mga_warp.c')
-rw-r--r--drivers/gpu/drm/mga/mga_warp.c193
1 files changed, 193 insertions, 0 deletions
diff --git a/drivers/gpu/drm/mga/mga_warp.c b/drivers/gpu/drm/mga/mga_warp.c
new file mode 100644
index 000000000000..651b93c8ab5d
--- /dev/null
+++ b/drivers/gpu/drm/mga/mga_warp.c
@@ -0,0 +1,193 @@
+/* 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 const unsigned int mga_warp_g400_microcode_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));
+
+static const unsigned int mga_warp_g200_microcode_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));
+
+unsigned int mga_warp_microcode_size(const drm_mga_private_t * dev_priv)
+{
+ switch (dev_priv->chipset) {
+ case MGA_CARD_TYPE_G400:
+ case MGA_CARD_TYPE_G550:
+ return PAGE_ALIGN(mga_warp_g400_microcode_size);
+ case MGA_CARD_TYPE_G200:
+ return PAGE_ALIGN(mga_warp_g200_microcode_size);
+ default:
+ return 0;
+ }
+}
+
+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;
+
+ 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;
+
+ 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)
+{
+ const unsigned int size = mga_warp_microcode_size(dev_priv);
+
+ DRM_DEBUG("MGA ucode size = %d bytes\n", size);
+ if (size > dev_priv->warp->size) {
+ DRM_ERROR("microcode too large! (%u > %lu)\n",
+ size, dev_priv->warp->size);
+ return -ENOMEM;
+ }
+
+ switch (dev_priv->chipset) {
+ case MGA_CARD_TYPE_G400:
+ case MGA_CARD_TYPE_G550:
+ 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:
+ case MGA_CARD_TYPE_G550:
+ 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;
+}