1 files changed, 308 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogf100.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogf100.c
new file mode 100644
index 000000000..4e78bbe3b
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogf100.c
@@ -0,0 +1,308 @@
+/*
+ * Copyright 2012 Red Hat Inc.
+ *
+ * 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: Ben Skeggs
+ */
+#include "changf100.h"
+
+#include <core/client.h>
+#include <core/gpuobj.h>
+#include <subdev/fb.h>
+#include <subdev/timer.h>
+
+#include <nvif/class.h>
+#include <nvif/cl906f.h>
+#include <nvif/unpack.h>
+
+int
+gf100_fifo_chan_ntfy(struct nvkm_fifo_chan *chan, u32 type,
+		     struct nvkm_event **pevent)
+{
+	switch (type) {
+	case NV906F_V0_NTFY_NON_STALL_INTERRUPT:
+		*pevent = &chan->fifo->uevent;
+		return 0;
+	case NV906F_V0_NTFY_KILLED:
+		*pevent = &chan->fifo->kevent;
+		return 0;
+	default:
+		break;
+	}
+	return -EINVAL;
+}
+
+static u32
+gf100_fifo_gpfifo_engine_addr(struct nvkm_engine *engine)
+{
+	switch (engine->subdev.type) {
+	case NVKM_ENGINE_SW    : return 0;
+	case NVKM_ENGINE_GR    : return 0x0210;
+	case NVKM_ENGINE_CE    : return 0x0230 + (engine->subdev.inst * 0x10);
+	case NVKM_ENGINE_MSPDEC: return 0x0250;
+	case NVKM_ENGINE_MSPPP : return 0x0260;
+	case NVKM_ENGINE_MSVLD : return 0x0270;
+	default:
+		WARN_ON(1);
+		return 0;
+	}
+}
+
+static struct gf100_fifo_engn *
+gf100_fifo_gpfifo_engine(struct gf100_fifo_chan *chan, struct nvkm_engine *engine)
+{
+	int engi = chan->base.fifo->func->engine_id(chan->base.fifo, engine);
+	if (engi >= 0)
+		return &chan->engn[engi];
+	return NULL;
+}
+
+static int
+gf100_fifo_gpfifo_engine_fini(struct nvkm_fifo_chan *base,
+			      struct nvkm_engine *engine, bool suspend)
+{
+	const u32 offset = gf100_fifo_gpfifo_engine_addr(engine);
+	struct gf100_fifo_chan *chan = gf100_fifo_chan(base);
+	struct nvkm_subdev *subdev = &chan->fifo->base.engine.subdev;
+	struct nvkm_device *device = subdev->device;
+	struct nvkm_gpuobj *inst = chan->base.inst;
+	int ret = 0;
+
+	mutex_lock(&chan->fifo->base.mutex);
+	nvkm_wr32(device, 0x002634, chan->base.chid);
+	if (nvkm_msec(device, 2000,
+		if (nvkm_rd32(device, 0x002634) == chan->base.chid)
+			break;
+	) < 0) {
+		nvkm_error(subdev, "channel %d [%s] kick timeout\n",
+			   chan->base.chid, chan->base.object.client->name);
+		ret = -ETIMEDOUT;
+	}
+	mutex_unlock(&chan->fifo->base.mutex);
+
+	if (ret && suspend)
+		return ret;
+
+	if (offset) {
+		nvkm_kmap(inst);
+		nvkm_wo32(inst, offset + 0x00, 0x00000000);
+		nvkm_wo32(inst, offset + 0x04, 0x00000000);
+		nvkm_done(inst);
+	}
+
+	return ret;
+}
+
+static int
+gf100_fifo_gpfifo_engine_init(struct nvkm_fifo_chan *base,
+			      struct nvkm_engine *engine)
+{
+	const u32 offset = gf100_fifo_gpfifo_engine_addr(engine);
+	struct gf100_fifo_chan *chan = gf100_fifo_chan(base);
+	struct gf100_fifo_engn *engn = gf100_fifo_gpfifo_engine(chan, engine);
+	struct nvkm_gpuobj *inst = chan->base.inst;
+
+	if (offset) {
+		nvkm_kmap(inst);
+		nvkm_wo32(inst, offset + 0x00, lower_32_bits(engn->vma->addr) | 4);
+		nvkm_wo32(inst, offset + 0x04, upper_32_bits(engn->vma->addr));
+		nvkm_done(inst);
+	}
+
+	return 0;
+}
+
+static void
+gf100_fifo_gpfifo_engine_dtor(struct nvkm_fifo_chan *base,
+			      struct nvkm_engine *engine)
+{
+	struct gf100_fifo_chan *chan = gf100_fifo_chan(base);
+	struct gf100_fifo_engn *engn = gf100_fifo_gpfifo_engine(chan, engine);
+	nvkm_vmm_put(chan->base.vmm, &engn->vma);
+	nvkm_gpuobj_del(&engn->inst);
+}
+
+static int
+gf100_fifo_gpfifo_engine_ctor(struct nvkm_fifo_chan *base,
+			      struct nvkm_engine *engine,
+			      struct nvkm_object *object)
+{
+	struct gf100_fifo_chan *chan = gf100_fifo_chan(base);
+	struct gf100_fifo_engn *engn = gf100_fifo_gpfifo_engine(chan, engine);
+	int ret;
+
+	if (!gf100_fifo_gpfifo_engine_addr(engine))
+		return 0;
+
+	ret = nvkm_object_bind(object, NULL, 0, &engn->inst);
+	if (ret)
+		return ret;
+
+	ret = nvkm_vmm_get(chan->base.vmm, 12, engn->inst->size, &engn->vma);
+	if (ret)
+		return ret;
+
+	return nvkm_memory_map(engn->inst, 0, chan->base.vmm, engn->vma, NULL, 0);
+}
+
+static void
+gf100_fifo_gpfifo_fini(struct nvkm_fifo_chan *base)
+{
+	struct gf100_fifo_chan *chan = gf100_fifo_chan(base);
+	struct gf100_fifo *fifo = chan->fifo;
+	struct nvkm_device *device = fifo->base.engine.subdev.device;
+	u32 coff = chan->base.chid * 8;
+
+	if (!list_empty(&chan->head) && !chan->killed) {
+		gf100_fifo_runlist_remove(fifo, chan);
+		nvkm_mask(device, 0x003004 + coff, 0x00000001, 0x00000000);
+		gf100_fifo_runlist_commit(fifo);
+	}
+
+	gf100_fifo_intr_engine(fifo);
+
+	nvkm_wr32(device, 0x003000 + coff, 0x00000000);
+}
+
+static void
+gf100_fifo_gpfifo_init(struct nvkm_fifo_chan *base)
+{
+	struct gf100_fifo_chan *chan = gf100_fifo_chan(base);
+	struct gf100_fifo *fifo = chan->fifo;
+	struct nvkm_device *device = fifo->base.engine.subdev.device;
+	u32 addr = chan->base.inst->addr >> 12;
+	u32 coff = chan->base.chid * 8;
+
+	nvkm_wr32(device, 0x003000 + coff, 0xc0000000 | addr);
+
+	if (list_empty(&chan->head) && !chan->killed) {
+		gf100_fifo_runlist_insert(fifo, chan);
+		nvkm_wr32(device, 0x003004 + coff, 0x001f0001);
+		gf100_fifo_runlist_commit(fifo);
+	}
+}
+
+static void *
+gf100_fifo_gpfifo_dtor(struct nvkm_fifo_chan *base)
+{
+	return gf100_fifo_chan(base);
+}
+
+static const struct nvkm_fifo_chan_func
+gf100_fifo_gpfifo_func = {
+	.dtor = gf100_fifo_gpfifo_dtor,
+	.init = gf100_fifo_gpfifo_init,
+	.fini = gf100_fifo_gpfifo_fini,
+	.ntfy = gf100_fifo_chan_ntfy,
+	.engine_ctor = gf100_fifo_gpfifo_engine_ctor,
+	.engine_dtor = gf100_fifo_gpfifo_engine_dtor,
+	.engine_init = gf100_fifo_gpfifo_engine_init,
+	.engine_fini = gf100_fifo_gpfifo_engine_fini,
+};
+
+static int
+gf100_fifo_gpfifo_new(struct nvkm_fifo *base, const struct nvkm_oclass *oclass,
+		      void *data, u32 size, struct nvkm_object **pobject)
+{
+	union {
+		struct fermi_channel_gpfifo_v0 v0;
+	} *args = data;
+	struct gf100_fifo *fifo = gf100_fifo(base);
+	struct nvkm_object *parent = oclass->parent;
+	struct gf100_fifo_chan *chan;
+	u64 usermem, ioffset, ilength;
+	int ret = -ENOSYS, i;
+
+	nvif_ioctl(parent, "create channel gpfifo size %d\n", size);
+	if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
+		nvif_ioctl(parent, "create channel gpfifo vers %d vmm %llx "
+				   "ioffset %016llx ilength %08x\n",
+			   args->v0.version, args->v0.vmm, args->v0.ioffset,
+			   args->v0.ilength);
+		if (!args->v0.vmm)
+			return -EINVAL;
+	} else
+		return ret;
+
+	/* allocate channel */
+	if (!(chan = kzalloc(sizeof(*chan), GFP_KERNEL)))
+		return -ENOMEM;
+	*pobject = &chan->base.object;
+	chan->fifo = fifo;
+	INIT_LIST_HEAD(&chan->head);
+
+	ret = nvkm_fifo_chan_ctor(&gf100_fifo_gpfifo_func, &fifo->base,
+				  0x1000, 0x1000, true, args->v0.vmm, 0,
+				  BIT(GF100_FIFO_ENGN_GR) |
+				  BIT(GF100_FIFO_ENGN_MSPDEC) |
+				  BIT(GF100_FIFO_ENGN_MSPPP) |
+				  BIT(GF100_FIFO_ENGN_MSVLD) |
+				  BIT(GF100_FIFO_ENGN_CE0) |
+				  BIT(GF100_FIFO_ENGN_CE1) |
+				  BIT(GF100_FIFO_ENGN_SW),
+				  1, fifo->user.bar->addr, 0x1000,
+				  oclass, &chan->base);
+	if (ret)
+		return ret;
+
+	args->v0.chid = chan->base.chid;
+
+	/* clear channel control registers */
+
+	usermem = chan->base.chid * 0x1000;
+	ioffset = args->v0.ioffset;
+	ilength = order_base_2(args->v0.ilength / 8);
+
+	nvkm_kmap(fifo->user.mem);
+	for (i = 0; i < 0x1000; i += 4)
+		nvkm_wo32(fifo->user.mem, usermem + i, 0x00000000);
+	nvkm_done(fifo->user.mem);
+	usermem = nvkm_memory_addr(fifo->user.mem) + usermem;
+
+	/* RAMFC */
+	nvkm_kmap(chan->base.inst);
+	nvkm_wo32(chan->base.inst, 0x08, lower_32_bits(usermem));
+	nvkm_wo32(chan->base.inst, 0x0c, upper_32_bits(usermem));
+	nvkm_wo32(chan->base.inst, 0x10, 0x0000face);
+	nvkm_wo32(chan->base.inst, 0x30, 0xfffff902);
+	nvkm_wo32(chan->base.inst, 0x48, lower_32_bits(ioffset));
+	nvkm_wo32(chan->base.inst, 0x4c, upper_32_bits(ioffset) |
+					 (ilength << 16));
+	nvkm_wo32(chan->base.inst, 0x54, 0x00000002);
+	nvkm_wo32(chan->base.inst, 0x84, 0x20400000);
+	nvkm_wo32(chan->base.inst, 0x94, 0x30000001);
+	nvkm_wo32(chan->base.inst, 0x9c, 0x00000100);
+	nvkm_wo32(chan->base.inst, 0xa4, 0x1f1f1f1f);
+	nvkm_wo32(chan->base.inst, 0xa8, 0x1f1f1f1f);
+	nvkm_wo32(chan->base.inst, 0xac, 0x0000001f);
+	nvkm_wo32(chan->base.inst, 0xb8, 0xf8000000);
+	nvkm_wo32(chan->base.inst, 0xf8, 0x10003080); /* 0x002310 */
+	nvkm_wo32(chan->base.inst, 0xfc, 0x10000010); /* 0x002350 */
+	nvkm_done(chan->base.inst);
+	return 0;
+}
+
+const struct nvkm_fifo_chan_oclass
+gf100_fifo_gpfifo_oclass = {
+	.base.oclass = FERMI_CHANNEL_GPFIFO,
+	.base.minver = 0,
+	.base.maxver = 0,
+	.ctor = gf100_fifo_gpfifo_new,
+};