drm: reorganise drm tree to be more future proof.

With the coming of kernel based modesetting and the memory manager stuff,
the everything in one directory approach was getting very ugly and
starting to be unmanageable.

This restructures the drm along the lines of other kernel components.

It creates a drivers/gpu/drm directory and moves the hw drivers into
subdirectores. It moves the includes into an include/drm, and
sets up the unifdef for the userspace headers we should be exporting.

Signed-off-by: Dave Airlie <airlied@redhat.com>

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 0000000..651b93c
--- /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;
+}