nouveau: added support for software methods, and implemented those necessary for NV04 (TNT1) to start X

2 files changed, 227 insertions, 0 deletions

diff --git a/shared-core/nouveau_swmthd.c b/shared-core/nouveau_swmthd.c
new file mode 100644
index 00000000..66ef6233
--- /dev/null
+++ b/shared-core/nouveau_swmthd.c
@@ -0,0 +1,193 @@
+/*
+ * Copyright (C) 2007 Arthur Huillet.
+ *
+ * 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 THE COPYRIGHT OWNER(S) 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:
+ *   Arthur Huillet <arthur.huillet AT free DOT fr>
+ */
+
+#include "drmP.h"
+#include "drm.h"
+#include "nouveau_drm.h"
+#include "nouveau_drv.h"
+#include "nouveau_reg.h"
+
+/*TODO: add a "card_type" attribute*/
+typedef struct{
+	uint32_t oclass; /* object class for this software method */
+	uint32_t mthd; /* method number */
+	void (*method_code)(struct drm_device *dev, uint32_t oclass, uint32_t mthd); /* pointer to the function that does the work */
+ } nouveau_software_method_t;
+
+
+ /* This function handles the NV04 setcontext software methods.
+One function for all because they are very similar.*/
+static void nouveau_NV04_setcontext_sw_method(struct drm_device *dev, uint32_t oclass, uint32_t mthd) {
+	struct drm_nouveau_private *dev_priv = dev->dev_private;
+	uint32_t inst_loc = NV_READ(NV04_PGRAPH_CTX_SWITCH4) & 0xFFFF;
+	uint32_t value_to_set = 0, bit_to_set = 0;
+
+	switch ( oclass ) {
+		case 0x4a:
+			switch ( mthd ) {
+				case 0x188 :
+				case 0x18c :
+					bit_to_set = 0;
+					break;
+				case 0x198 :
+					bit_to_set = 1 << 24; /*PATCH_STATUS_VALID*/
+					break;
+				case 0x2fc :
+					bit_to_set = NV_READ(NV04_PGRAPH_TRAPPED_DATA) << 15; /*PATCH_CONFIG = NV04_PGRAPH_TRAPPED_DATA*/
+					break;
+				default : ;
+				};
+			break;
+		case 0x5c:
+			switch ( mthd ) {
+				case 0x184:
+					bit_to_set = 1 << 13; /*USER_CLIP_ENABLE*/
+					break;
+				case 0x188:
+				case 0x18c:
+					bit_to_set = 0;
+					break;
+				case 0x198:
+					bit_to_set = 1 << 24; /*PATCH_STATUS_VALID*/
+					break;
+				case 0x2fc :
+					bit_to_set = NV_READ(NV04_PGRAPH_TRAPPED_DATA) << 15; /*PATCH_CONFIG = NV04_PGRAPH_TRAPPED_DATA*/
+					break;
+			};
+			break;
+		case 0x5f:
+			switch ( mthd ) {
+				case 0x184 :
+					bit_to_set = 1 << 12; /*CHROMA_KEY_ENABLE*/
+					break;
+				case 0x188 :
+					bit_to_set = 1 << 13; /*USER_CLIP_ENABLE*/
+					break;
+				case 0x18c :
+				case 0x190 :
+					bit_to_set = 0;
+					break;
+				case 0x19c :
+					bit_to_set = 1 << 24; /*PATCH_STATUS_VALID*/
+					break;
+				case 0x2fc :
+					bit_to_set = NV_READ(NV04_PGRAPH_TRAPPED_DATA) << 15; /*PATCH_CONFIG = NV04_PGRAPH_TRAPPED_DATA*/
+					break;
+			};
+			break;
+		case 0x61:
+			switch ( mthd ) {
+				case 0x188 :
+					bit_to_set = 1 << 13; /*USER_CLIP_ENABLE*/
+					break;
+				case 0x18c :
+				case 0x190 :
+					bit_to_set = 0;
+					break;
+				case 0x19c :
+					bit_to_set = 1 << 24; /*PATCH_STATUS_VALID*/
+					break;
+				case 0x2fc :
+					bit_to_set = NV_READ(NV04_PGRAPH_TRAPPED_DATA) << 15; /*PATCH_CONFIG = NV04_PGRAPH_TRAPPED_DATA*/
+					break;
+			};
+			break;
+		case 0x77:
+			switch ( mthd ) {
+				case 0x198 :
+					bit_to_set = 1 << 24; /*PATCH_STATUS_VALID*/
+					break;
+				case 0x304 :
+					bit_to_set = NV_READ(NV04_PGRAPH_TRAPPED_DATA) << 15; //PATCH_CONFIG
+					break;
+			};
+			break;
+		default :;
+		};
+
+	value_to_set = (NV_READ(0x00700000 | inst_loc << 4))| bit_to_set;
+
+	/*RAMIN*/
+	nouveau_wait_for_idle(dev);
+	NV_WRITE(0x00700000 | inst_loc << 4, value_to_set);
+
+	/*DRM_DEBUG("CTX_SWITCH1 value is %#x\n", NV_READ(NV04_PGRAPH_CTX_SWITCH1));*/
+	NV_WRITE(NV04_PGRAPH_CTX_SWITCH1, value_to_set);
+
+	/*DRM_DEBUG("CTX_CACHE1 + xxx value is %#x\n", NV_READ(NV04_PGRAPH_CTX_CACHE1 + (((NV_READ(NV04_PGRAPH_TRAPPED_ADDR) >> 13) & 0x7) << 2)));*/
+	NV_WRITE(NV04_PGRAPH_CTX_CACHE1 + (((NV_READ(NV04_PGRAPH_TRAPPED_ADDR) >> 13) & 0x7) << 2), value_to_set);
+}
+
+ nouveau_software_method_t nouveau_sw_methods[] = {
+	/*NV04 context software methods*/
+	{ 0x4a, 0x188, nouveau_NV04_setcontext_sw_method },
+	{ 0x4a, 0x18c, nouveau_NV04_setcontext_sw_method },
+	{ 0x4a, 0x198, nouveau_NV04_setcontext_sw_method },
+	{ 0x4a, 0x2fc, nouveau_NV04_setcontext_sw_method },
+	{ 0x5c, 0x184, nouveau_NV04_setcontext_sw_method },
+	{ 0x5c, 0x188, nouveau_NV04_setcontext_sw_method },
+	{ 0x5c, 0x18c, nouveau_NV04_setcontext_sw_method },
+	{ 0x5c, 0x198, nouveau_NV04_setcontext_sw_method },
+	{ 0x5c, 0x2fc, nouveau_NV04_setcontext_sw_method },
+	{ 0x5f, 0x184, nouveau_NV04_setcontext_sw_method },
+	{ 0x5f, 0x188, nouveau_NV04_setcontext_sw_method },
+	{ 0x5f, 0x18c, nouveau_NV04_setcontext_sw_method },
+	{ 0x5f, 0x190, nouveau_NV04_setcontext_sw_method },
+	{ 0x5f, 0x19c, nouveau_NV04_setcontext_sw_method },
+	{ 0x5f, 0x2fc, nouveau_NV04_setcontext_sw_method },
+	{ 0x61, 0x188, nouveau_NV04_setcontext_sw_method },
+	{ 0x61, 0x18c, nouveau_NV04_setcontext_sw_method },
+	{ 0x61, 0x190, nouveau_NV04_setcontext_sw_method },
+	{ 0x61, 0x19c, nouveau_NV04_setcontext_sw_method },
+	{ 0x61, 0x2fc, nouveau_NV04_setcontext_sw_method },
+	{ 0x77, 0x198, nouveau_NV04_setcontext_sw_method },
+	{ 0x77, 0x304, nouveau_NV04_setcontext_sw_method },
+	/*terminator*/
+	{ 0x0, 0x0, NULL, },
+ };
+
+ int nouveau_sw_method_execute(struct drm_device *dev, uint32_t oclass, uint32_t method) {
+	int i = 0;
+	while ( nouveau_sw_methods[ i ] . method_code != NULL )
+		{
+		if ( nouveau_sw_methods[ i ] . oclass == oclass && nouveau_sw_methods[ i ] . mthd == method )
+			{
+			nouveau_sw_methods[ i ] . method_code(dev, oclass, method);
+			return 0;
+			}
+		i ++;
+		}
+
+	 return 1;
+ }
+
+
diff --git a/shared-core/nouveau_swmthd.h b/shared-core/nouveau_swmthd.h
new file mode 100644
index 00000000..df8c7400
--- /dev/null
+++ b/shared-core/nouveau_swmthd.h
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2007 Arthur Huillet.
+ *
+ * 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 THE COPYRIGHT OWNER(S) 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:
+ *   Arthur Huillet <arthur.huillet AT free DOT fr>
+ */
+
+int nouveau_sw_method_execute(struct drm_device *dev, uint32_t oclass, uint32_t method); /* execute the given software method, returns 0 on success */
+