nvc0/bsp: initial implementation of engine

Will allow use of the engine if firmware (nvXX_fuc084) provided.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

5 files changed, 130 insertions, 9 deletions

diff --git a/drivers/gpu/drm/nouveau/Makefile b/drivers/gpu/drm/nouveau/Makefile
index 363a755..eb91ee9 100644
--- a/drivers/gpu/drm/nouveau/Makefile
+++ b/drivers/gpu/drm/nouveau/Makefile
@@ -125,6 +125,7 @@ nouveau-y += core/engine/dmaobj/nv50.o
 nouveau-y += core/engine/dmaobj/nvc0.o
 nouveau-y += core/engine/dmaobj/nvd0.o
 nouveau-y += core/engine/bsp/nv84.o
+nouveau-y += core/engine/bsp/nvc0.o
 nouveau-y += core/engine/bsp/nve0.o
 nouveau-y += core/engine/copy/nva3.o
 nouveau-y += core/engine/copy/nvc0.o
diff --git a/drivers/gpu/drm/nouveau/core/engine/bsp/nvc0.c b/drivers/gpu/drm/nouveau/core/engine/bsp/nvc0.c
new file mode 100644
index 0000000..0a5aa6b
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/core/engine/bsp/nvc0.c
@@ -0,0 +1,110 @@
+/*
+ * Copyright 2012 Maarten Lankhorst
+ *
+ * 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 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 HOLDER(S) OR AUTHOR(S) 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: Maarten Lankhorst
+ */
+
+#include <core/falcon.h>
+
+#include <engine/bsp.h>
+
+struct nvc0_bsp_priv {
+	struct nouveau_falcon base;
+};
+
+/*******************************************************************************
+ * BSP object classes
+ ******************************************************************************/
+
+static struct nouveau_oclass
+nvc0_bsp_sclass[] = {
+	{ 0x90b1, &nouveau_object_ofuncs },
+	{},
+};
+
+/*******************************************************************************
+ * PBSP context
+ ******************************************************************************/
+
+static struct nouveau_oclass
+nvc0_bsp_cclass = {
+	.handle = NV_ENGCTX(BSP, 0xc0),
+	.ofuncs = &(struct nouveau_ofuncs) {
+		.ctor = _nouveau_falcon_context_ctor,
+		.dtor = _nouveau_falcon_context_dtor,
+		.init = _nouveau_falcon_context_init,
+		.fini = _nouveau_falcon_context_fini,
+		.rd32 = _nouveau_falcon_context_rd32,
+		.wr32 = _nouveau_falcon_context_wr32,
+	},
+};
+
+/*******************************************************************************
+ * PBSP engine/subdev functions
+ ******************************************************************************/
+
+static int
+nvc0_bsp_init(struct nouveau_object *object)
+{
+	struct nvc0_bsp_priv *priv = (void *)object;
+	int ret;
+
+	ret = nouveau_falcon_init(&priv->base);
+	if (ret)
+		return ret;
+
+	nv_wr32(priv, 0x084010, 0x0000fff2);
+	nv_wr32(priv, 0x08401c, 0x0000fff2);
+	return 0;
+}
+
+static int
+nvc0_bsp_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
+	      struct nouveau_oclass *oclass, void *data, u32 size,
+	      struct nouveau_object **pobject)
+{
+	struct nvc0_bsp_priv *priv;
+	int ret;
+
+	ret = nouveau_falcon_create(parent, engine, oclass, 0x084000, true,
+				    "PBSP", "bsp", &priv);
+	*pobject = nv_object(priv);
+	if (ret)
+		return ret;
+
+	nv_subdev(priv)->unit = 0x00008000;
+	nv_engine(priv)->cclass = &nvc0_bsp_cclass;
+	nv_engine(priv)->sclass = nvc0_bsp_sclass;
+	return 0;
+}
+
+struct nouveau_oclass
+nvc0_bsp_oclass = {
+	.handle = NV_ENGINE(BSP, 0xc0),
+	.ofuncs = &(struct nouveau_ofuncs) {
+		.ctor = nvc0_bsp_ctor,
+		.dtor = _nouveau_falcon_dtor,
+		.init = nvc0_bsp_init,
+		.fini = _nouveau_falcon_fini,
+		.rd32 = _nouveau_falcon_rd32,
+		.wr32 = _nouveau_falcon_wr32,
+	},
+};
diff --git a/drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c b/drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c
index 6f21be6..d7c3f3e 100644
--- a/drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c
+++ b/drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c
@@ -103,6 +103,9 @@ nvc0_fifo_context_attach(struct nouveau_object *parent,
 	case NVDEV_ENGINE_GR   : addr = 0x0210; break;
 	case NVDEV_ENGINE_COPY0: addr = 0x0230; break;
 	case NVDEV_ENGINE_COPY1: addr = 0x0240; break;
+	case NVDEV_ENGINE_BSP  : addr = 0x0270; break;
+	case NVDEV_ENGINE_VP   : addr = 0x0250; break;
+	case NVDEV_ENGINE_PPP  : addr = 0x0260; break;
 	default:
 		return -EINVAL;
 	}
@@ -137,6 +140,9 @@ nvc0_fifo_context_detach(struct nouveau_object *parent, bool suspend,
 	case NVDEV_ENGINE_GR   : addr = 0x0210; break;
 	case NVDEV_ENGINE_COPY0: addr = 0x0230; break;
 	case NVDEV_ENGINE_COPY1: addr = 0x0240; break;
+	case NVDEV_ENGINE_BSP  : addr = 0x0270; break;
+	case NVDEV_ENGINE_VP   : addr = 0x0250; break;
+	case NVDEV_ENGINE_PPP  : addr = 0x0260; break;
 	default:
 		return -EINVAL;
 	}
@@ -178,7 +184,10 @@ nvc0_fifo_chan_ctor(struct nouveau_object *parent,
 					  (1 << NVDEV_ENGINE_SW) |
 					  (1 << NVDEV_ENGINE_GR) |
 					  (1 << NVDEV_ENGINE_COPY0) |
-					  (1 << NVDEV_ENGINE_COPY1), &chan);
+					  (1 << NVDEV_ENGINE_COPY1) |
+					  (1 << NVDEV_ENGINE_BSP) |
+					  (1 << NVDEV_ENGINE_VP) |
+					  (1 << NVDEV_ENGINE_PPP), &chan);
 	*pobject = nv_object(chan);
 	if (ret)
 		return ret;
diff --git a/drivers/gpu/drm/nouveau/core/include/engine/bsp.h b/drivers/gpu/drm/nouveau/core/include/engine/bsp.h
index 3d2aee1..13ccdf5 100644
--- a/drivers/gpu/drm/nouveau/core/include/engine/bsp.h
+++ b/drivers/gpu/drm/nouveau/core/include/engine/bsp.h
@@ -2,6 +2,7 @@
 #define __NOUVEAU_BSP_H__
 
 extern struct nouveau_oclass nv84_bsp_oclass;
+extern struct nouveau_oclass nvc0_bsp_oclass;
 extern struct nouveau_oclass nve0_bsp_oclass;
 
 #endif
diff --git a/drivers/gpu/drm/nouveau/core/subdev/device/nvc0.c b/drivers/gpu/drm/nouveau/core/subdev/device/nvc0.c
index 771df4e..e0ad5b1 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/device/nvc0.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/device/nvc0.c
@@ -75,7 +75,7 @@ nvc0_identify(struct nouveau_device *device)
 		device->oclass[NVDEV_ENGINE_SW     ] = &nvc0_software_oclass;
 		device->oclass[NVDEV_ENGINE_GR     ] = &nvc0_graph_oclass;
 		device->oclass[NVDEV_ENGINE_VP     ] = &nv84_vp_oclass;
-		device->oclass[NVDEV_ENGINE_BSP    ] = &nv84_bsp_oclass;
+		device->oclass[NVDEV_ENGINE_BSP    ] = &nvc0_bsp_oclass;
 		device->oclass[NVDEV_ENGINE_PPP    ] = &nv98_ppp_oclass;
 		device->oclass[NVDEV_ENGINE_COPY0  ] = &nvc0_copy0_oclass;
 		device->oclass[NVDEV_ENGINE_COPY1  ] = &nvc0_copy1_oclass;
@@ -103,7 +103,7 @@ nvc0_identify(struct nouveau_device *device)
 		device->oclass[NVDEV_ENGINE_SW     ] = &nvc0_software_oclass;
 		device->oclass[NVDEV_ENGINE_GR     ] = &nvc0_graph_oclass;
 		device->oclass[NVDEV_ENGINE_VP     ] = &nv84_vp_oclass;
-		device->oclass[NVDEV_ENGINE_BSP    ] = &nv84_bsp_oclass;
+		device->oclass[NVDEV_ENGINE_BSP    ] = &nvc0_bsp_oclass;
 		device->oclass[NVDEV_ENGINE_PPP    ] = &nv98_ppp_oclass;
 		device->oclass[NVDEV_ENGINE_COPY0  ] = &nvc0_copy0_oclass;
 		device->oclass[NVDEV_ENGINE_COPY1  ] = &nvc0_copy1_oclass;
@@ -131,7 +131,7 @@ nvc0_identify(struct nouveau_device *device)
 		device->oclass[NVDEV_ENGINE_SW     ] = &nvc0_software_oclass;
 		device->oclass[NVDEV_ENGINE_GR     ] = &nvc0_graph_oclass;
 		device->oclass[NVDEV_ENGINE_VP     ] = &nv84_vp_oclass;
-		device->oclass[NVDEV_ENGINE_BSP    ] = &nv84_bsp_oclass;
+		device->oclass[NVDEV_ENGINE_BSP    ] = &nvc0_bsp_oclass;
 		device->oclass[NVDEV_ENGINE_PPP    ] = &nv98_ppp_oclass;
 		device->oclass[NVDEV_ENGINE_COPY0  ] = &nvc0_copy0_oclass;
 		device->oclass[NVDEV_ENGINE_COPY1  ] = &nvc0_copy1_oclass;
@@ -159,7 +159,7 @@ nvc0_identify(struct nouveau_device *device)
 		device->oclass[NVDEV_ENGINE_SW     ] = &nvc0_software_oclass;
 		device->oclass[NVDEV_ENGINE_GR     ] = &nvc0_graph_oclass;
 		device->oclass[NVDEV_ENGINE_VP     ] = &nv84_vp_oclass;
-		device->oclass[NVDEV_ENGINE_BSP    ] = &nv84_bsp_oclass;
+		device->oclass[NVDEV_ENGINE_BSP    ] = &nvc0_bsp_oclass;
 		device->oclass[NVDEV_ENGINE_PPP    ] = &nv98_ppp_oclass;
 		device->oclass[NVDEV_ENGINE_COPY0  ] = &nvc0_copy0_oclass;
 		device->oclass[NVDEV_ENGINE_COPY1  ] = &nvc0_copy1_oclass;
@@ -187,7 +187,7 @@ nvc0_identify(struct nouveau_device *device)
 		device->oclass[NVDEV_ENGINE_SW     ] = &nvc0_software_oclass;
 		device->oclass[NVDEV_ENGINE_GR     ] = &nvc0_graph_oclass;
 		device->oclass[NVDEV_ENGINE_VP     ] = &nv84_vp_oclass;
-		device->oclass[NVDEV_ENGINE_BSP    ] = &nv84_bsp_oclass;
+		device->oclass[NVDEV_ENGINE_BSP    ] = &nvc0_bsp_oclass;
 		device->oclass[NVDEV_ENGINE_PPP    ] = &nv98_ppp_oclass;
 		device->oclass[NVDEV_ENGINE_COPY0  ] = &nvc0_copy0_oclass;
 		device->oclass[NVDEV_ENGINE_COPY1  ] = &nvc0_copy1_oclass;
@@ -215,7 +215,7 @@ nvc0_identify(struct nouveau_device *device)
 		device->oclass[NVDEV_ENGINE_SW     ] = &nvc0_software_oclass;
 		device->oclass[NVDEV_ENGINE_GR     ] = &nvc0_graph_oclass;
 		device->oclass[NVDEV_ENGINE_VP     ] = &nv84_vp_oclass;
-		device->oclass[NVDEV_ENGINE_BSP    ] = &nv84_bsp_oclass;
+		device->oclass[NVDEV_ENGINE_BSP    ] = &nvc0_bsp_oclass;
 		device->oclass[NVDEV_ENGINE_PPP    ] = &nv98_ppp_oclass;
 		device->oclass[NVDEV_ENGINE_COPY0  ] = &nvc0_copy0_oclass;
 		device->oclass[NVDEV_ENGINE_COPY1  ] = &nvc0_copy1_oclass;
@@ -243,7 +243,7 @@ nvc0_identify(struct nouveau_device *device)
 		device->oclass[NVDEV_ENGINE_SW     ] = &nvc0_software_oclass;
 		device->oclass[NVDEV_ENGINE_GR     ] = &nvc0_graph_oclass;
 		device->oclass[NVDEV_ENGINE_VP     ] = &nv84_vp_oclass;
-		device->oclass[NVDEV_ENGINE_BSP    ] = &nv84_bsp_oclass;
+		device->oclass[NVDEV_ENGINE_BSP    ] = &nvc0_bsp_oclass;
 		device->oclass[NVDEV_ENGINE_PPP    ] = &nv98_ppp_oclass;
 		device->oclass[NVDEV_ENGINE_COPY0  ] = &nvc0_copy0_oclass;
 		device->oclass[NVDEV_ENGINE_COPY1  ] = &nvc0_copy1_oclass;
@@ -271,7 +271,7 @@ nvc0_identify(struct nouveau_device *device)
 		device->oclass[NVDEV_ENGINE_SW     ] = &nvc0_software_oclass;
 		device->oclass[NVDEV_ENGINE_GR     ] = &nvc0_graph_oclass;
 		device->oclass[NVDEV_ENGINE_VP     ] = &nv84_vp_oclass;
-		device->oclass[NVDEV_ENGINE_BSP    ] = &nv84_bsp_oclass;
+		device->oclass[NVDEV_ENGINE_BSP    ] = &nvc0_bsp_oclass;
 		device->oclass[NVDEV_ENGINE_PPP    ] = &nv98_ppp_oclass;
 		device->oclass[NVDEV_ENGINE_COPY0  ] = &nvc0_copy0_oclass;
 		device->oclass[NVDEV_ENGINE_DISP   ] = &nvd0_disp_oclass;