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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/gpu/drm/nouveau/nvkm/engine/sw
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/sw')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/sw/Kbuild10
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/sw/base.c110
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/sw/chan.c111
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/sw/chan.h29
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/sw/gf100.c155
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/sw/nv04.c139
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/sw/nv10.c68
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/sw/nv50.c148
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/sw/nv50.h21
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/sw/nvsw.c85
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/sw/nvsw.h22
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/sw/priv.h22
12 files changed, 920 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/sw/Kbuild b/drivers/gpu/drm/nouveau/nvkm/engine/sw/Kbuild
new file mode 100644
index 000000000..94fe25964
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/sw/Kbuild
@@ -0,0 +1,10 @@
+# SPDX-License-Identifier: MIT
+nvkm-y += nvkm/engine/sw/base.o
+nvkm-y += nvkm/engine/sw/nv04.o
+nvkm-y += nvkm/engine/sw/nv10.o
+nvkm-y += nvkm/engine/sw/nv50.o
+nvkm-y += nvkm/engine/sw/gf100.o
+
+nvkm-y += nvkm/engine/sw/chan.o
+
+nvkm-y += nvkm/engine/sw/nvsw.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/sw/base.c b/drivers/gpu/drm/nouveau/nvkm/engine/sw/base.c
new file mode 100644
index 000000000..14871d0bd
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/sw/base.c
@@ -0,0 +1,110 @@
+/*
+ * Copyright 2015 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 <bskeggs@redhat.com>
+ */
+#include "priv.h"
+#include "chan.h"
+
+#include <engine/fifo.h>
+
+bool
+nvkm_sw_mthd(struct nvkm_sw *sw, int chid, int subc, u32 mthd, u32 data)
+{
+ struct nvkm_sw_chan *chan;
+ bool handled = false;
+ unsigned long flags;
+
+ spin_lock_irqsave(&sw->engine.lock, flags);
+ list_for_each_entry(chan, &sw->chan, head) {
+ if (chan->fifo->chid == chid) {
+ handled = nvkm_sw_chan_mthd(chan, subc, mthd, data);
+ list_del(&chan->head);
+ list_add(&chan->head, &sw->chan);
+ break;
+ }
+ }
+ spin_unlock_irqrestore(&sw->engine.lock, flags);
+ return handled;
+}
+
+static int
+nvkm_sw_oclass_new(const struct nvkm_oclass *oclass, void *data, u32 size,
+ struct nvkm_object **pobject)
+{
+ struct nvkm_sw_chan *chan = nvkm_sw_chan(oclass->parent);
+ const struct nvkm_sw_chan_sclass *sclass = oclass->engn;
+ return sclass->ctor(chan, oclass, data, size, pobject);
+}
+
+static int
+nvkm_sw_oclass_get(struct nvkm_oclass *oclass, int index)
+{
+ struct nvkm_sw *sw = nvkm_sw(oclass->engine);
+ int c = 0;
+
+ while (sw->func->sclass[c].ctor) {
+ if (c++ == index) {
+ oclass->engn = &sw->func->sclass[index];
+ oclass->base = sw->func->sclass[index].base;
+ oclass->base.ctor = nvkm_sw_oclass_new;
+ return index;
+ }
+ }
+
+ return c;
+}
+
+static int
+nvkm_sw_cclass_get(struct nvkm_fifo_chan *fifoch,
+ const struct nvkm_oclass *oclass,
+ struct nvkm_object **pobject)
+{
+ struct nvkm_sw *sw = nvkm_sw(oclass->engine);
+ return sw->func->chan_new(sw, fifoch, oclass, pobject);
+}
+
+static void *
+nvkm_sw_dtor(struct nvkm_engine *engine)
+{
+ return nvkm_sw(engine);
+}
+
+static const struct nvkm_engine_func
+nvkm_sw = {
+ .dtor = nvkm_sw_dtor,
+ .fifo.cclass = nvkm_sw_cclass_get,
+ .fifo.sclass = nvkm_sw_oclass_get,
+};
+
+int
+nvkm_sw_new_(const struct nvkm_sw_func *func, struct nvkm_device *device,
+ enum nvkm_subdev_type type, int inst, struct nvkm_sw **psw)
+{
+ struct nvkm_sw *sw;
+
+ if (!(sw = *psw = kzalloc(sizeof(*sw), GFP_KERNEL)))
+ return -ENOMEM;
+ INIT_LIST_HEAD(&sw->chan);
+ sw->func = func;
+
+ return nvkm_engine_ctor(&nvkm_sw, device, type, inst, true, &sw->engine);
+}
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/sw/chan.c b/drivers/gpu/drm/nouveau/nvkm/engine/sw/chan.c
new file mode 100644
index 000000000..f28967065
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/sw/chan.c
@@ -0,0 +1,111 @@
+/*
+ * Copyright 2015 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 <bskeggs@redhat.com>
+ */
+#include "chan.h"
+
+#include <core/notify.h>
+#include <engine/fifo.h>
+
+#include <nvif/event.h>
+#include <nvif/unpack.h>
+
+bool
+nvkm_sw_chan_mthd(struct nvkm_sw_chan *chan, int subc, u32 mthd, u32 data)
+{
+ switch (mthd) {
+ case 0x0000:
+ return true;
+ case 0x0500:
+ nvkm_event_send(&chan->event, 1, 0, NULL, 0);
+ return true;
+ default:
+ if (chan->func->mthd)
+ return chan->func->mthd(chan, subc, mthd, data);
+ break;
+ }
+ return false;
+}
+
+static int
+nvkm_sw_chan_event_ctor(struct nvkm_object *object, void *data, u32 size,
+ struct nvkm_notify *notify)
+{
+ union {
+ struct nvif_notify_uevent_req none;
+ } *req = data;
+ int ret = -ENOSYS;
+
+ if (!(ret = nvif_unvers(ret, &data, &size, req->none))) {
+ notify->size = sizeof(struct nvif_notify_uevent_rep);
+ notify->types = 1;
+ notify->index = 0;
+ }
+
+ return ret;
+}
+
+static const struct nvkm_event_func
+nvkm_sw_chan_event = {
+ .ctor = nvkm_sw_chan_event_ctor,
+};
+
+static void *
+nvkm_sw_chan_dtor(struct nvkm_object *object)
+{
+ struct nvkm_sw_chan *chan = nvkm_sw_chan(object);
+ struct nvkm_sw *sw = chan->sw;
+ unsigned long flags;
+ void *data = chan;
+
+ if (chan->func->dtor)
+ data = chan->func->dtor(chan);
+ nvkm_event_fini(&chan->event);
+
+ spin_lock_irqsave(&sw->engine.lock, flags);
+ list_del(&chan->head);
+ spin_unlock_irqrestore(&sw->engine.lock, flags);
+ return data;
+}
+
+static const struct nvkm_object_func
+nvkm_sw_chan = {
+ .dtor = nvkm_sw_chan_dtor,
+};
+
+int
+nvkm_sw_chan_ctor(const struct nvkm_sw_chan_func *func, struct nvkm_sw *sw,
+ struct nvkm_fifo_chan *fifo, const struct nvkm_oclass *oclass,
+ struct nvkm_sw_chan *chan)
+{
+ unsigned long flags;
+
+ nvkm_object_ctor(&nvkm_sw_chan, oclass, &chan->object);
+ chan->func = func;
+ chan->sw = sw;
+ chan->fifo = fifo;
+ spin_lock_irqsave(&sw->engine.lock, flags);
+ list_add(&chan->head, &sw->chan);
+ spin_unlock_irqrestore(&sw->engine.lock, flags);
+
+ return nvkm_event_init(&nvkm_sw_chan_event, 1, 1, &chan->event);
+}
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/sw/chan.h b/drivers/gpu/drm/nouveau/nvkm/engine/sw/chan.h
new file mode 100644
index 000000000..32de53427
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/sw/chan.h
@@ -0,0 +1,29 @@
+/* SPDX-License-Identifier: MIT */
+#ifndef __NVKM_SW_CHAN_H__
+#define __NVKM_SW_CHAN_H__
+#define nvkm_sw_chan(p) container_of((p), struct nvkm_sw_chan, object)
+#include <core/object.h>
+#include <core/event.h>
+
+#include "priv.h"
+
+struct nvkm_sw_chan {
+ const struct nvkm_sw_chan_func *func;
+ struct nvkm_object object;
+ struct nvkm_sw *sw;
+ struct nvkm_fifo_chan *fifo;
+ struct list_head head;
+
+ struct nvkm_event event;
+};
+
+struct nvkm_sw_chan_func {
+ void *(*dtor)(struct nvkm_sw_chan *);
+ bool (*mthd)(struct nvkm_sw_chan *, int subc, u32 mthd, u32 data);
+};
+
+int nvkm_sw_chan_ctor(const struct nvkm_sw_chan_func *, struct nvkm_sw *,
+ struct nvkm_fifo_chan *, const struct nvkm_oclass *,
+ struct nvkm_sw_chan *);
+bool nvkm_sw_chan_mthd(struct nvkm_sw_chan *, int subc, u32 mthd, u32 data);
+#endif
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/sw/gf100.c b/drivers/gpu/drm/nouveau/nvkm/engine/sw/gf100.c
new file mode 100644
index 000000000..55abf839f
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/sw/gf100.c
@@ -0,0 +1,155 @@
+/*
+ * 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 "nv50.h"
+
+#include <core/gpuobj.h>
+#include <subdev/bar.h>
+#include <engine/disp.h>
+#include <engine/fifo.h>
+
+#include <nvif/class.h>
+#include <nvif/event.h>
+
+/*******************************************************************************
+ * software context
+ ******************************************************************************/
+
+static int
+gf100_sw_chan_vblsem_release(struct nvkm_notify *notify)
+{
+ struct nv50_sw_chan *chan =
+ container_of(notify, typeof(*chan), vblank.notify[notify->index]);
+ struct nvkm_sw *sw = chan->base.sw;
+ struct nvkm_device *device = sw->engine.subdev.device;
+ u32 inst = chan->base.fifo->inst->addr >> 12;
+
+ nvkm_wr32(device, 0x001718, 0x80000000 | inst);
+ nvkm_bar_flush(device->bar);
+ nvkm_wr32(device, 0x06000c, upper_32_bits(chan->vblank.offset));
+ nvkm_wr32(device, 0x060010, lower_32_bits(chan->vblank.offset));
+ nvkm_wr32(device, 0x060014, chan->vblank.value);
+
+ return NVKM_NOTIFY_DROP;
+}
+
+static bool
+gf100_sw_chan_mthd(struct nvkm_sw_chan *base, int subc, u32 mthd, u32 data)
+{
+ struct nv50_sw_chan *chan = nv50_sw_chan(base);
+ struct nvkm_engine *engine = chan->base.object.engine;
+ struct nvkm_device *device = engine->subdev.device;
+ switch (mthd) {
+ case 0x0400:
+ chan->vblank.offset &= 0x00ffffffffULL;
+ chan->vblank.offset |= (u64)data << 32;
+ return true;
+ case 0x0404:
+ chan->vblank.offset &= 0xff00000000ULL;
+ chan->vblank.offset |= data;
+ return true;
+ case 0x0408:
+ chan->vblank.value = data;
+ return true;
+ case 0x040c:
+ if (data < device->disp->vblank.index_nr) {
+ nvkm_notify_get(&chan->vblank.notify[data]);
+ return true;
+ }
+ break;
+ case 0x600: /* MP.PM_UNK000 */
+ nvkm_wr32(device, 0x419e00, data);
+ return true;
+ case 0x644: /* MP.TRAP_WARP_ERROR_EN */
+ if (!(data & ~0x001ffffe)) {
+ nvkm_wr32(device, 0x419e44, data);
+ return true;
+ }
+ break;
+ case 0x6ac: /* MP.PM_UNK0AC */
+ nvkm_wr32(device, 0x419eac, data);
+ return true;
+ default:
+ break;
+ }
+ return false;
+}
+
+static const struct nvkm_sw_chan_func
+gf100_sw_chan = {
+ .dtor = nv50_sw_chan_dtor,
+ .mthd = gf100_sw_chan_mthd,
+};
+
+static int
+gf100_sw_chan_new(struct nvkm_sw *sw, struct nvkm_fifo_chan *fifoch,
+ const struct nvkm_oclass *oclass,
+ struct nvkm_object **pobject)
+{
+ struct nvkm_disp *disp = sw->engine.subdev.device->disp;
+ struct nv50_sw_chan *chan;
+ int ret, i;
+
+ if (!(chan = kzalloc(sizeof(*chan), GFP_KERNEL)))
+ return -ENOMEM;
+ *pobject = &chan->base.object;
+
+ ret = nvkm_sw_chan_ctor(&gf100_sw_chan, sw, fifoch, oclass,
+ &chan->base);
+ if (ret)
+ return ret;
+
+ for (i = 0; disp && i < disp->vblank.index_nr; i++) {
+ ret = nvkm_notify_init(NULL, &disp->vblank,
+ gf100_sw_chan_vblsem_release, false,
+ &(struct nvif_notify_head_req_v0) {
+ .head = i,
+ },
+ sizeof(struct nvif_notify_head_req_v0),
+ sizeof(struct nvif_notify_head_rep_v0),
+ &chan->vblank.notify[i]);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+/*******************************************************************************
+ * software engine/subdev functions
+ ******************************************************************************/
+
+static const struct nvkm_sw_func
+gf100_sw = {
+ .chan_new = gf100_sw_chan_new,
+ .sclass = {
+ { nvkm_nvsw_new, { -1, -1, NVIF_CLASS_SW_GF100 } },
+ {}
+ }
+};
+
+int
+gf100_sw_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_sw **psw)
+{
+ return nvkm_sw_new_(&gf100_sw, device, type, inst, psw);
+}
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/sw/nv04.c b/drivers/gpu/drm/nouveau/nvkm/engine/sw/nv04.c
new file mode 100644
index 000000000..4aa575738
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/sw/nv04.c
@@ -0,0 +1,139 @@
+/*
+ * 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
+ */
+#define nv04_sw_chan(p) container_of((p), struct nv04_sw_chan, base)
+#include "priv.h"
+#include "chan.h"
+#include "nvsw.h"
+
+#include <nvif/class.h>
+#include <nvif/if0004.h>
+#include <nvif/ioctl.h>
+#include <nvif/unpack.h>
+
+struct nv04_sw_chan {
+ struct nvkm_sw_chan base;
+ atomic_t ref;
+};
+
+/*******************************************************************************
+ * software object classes
+ ******************************************************************************/
+
+static int
+nv04_nvsw_mthd_get_ref(struct nvkm_nvsw *nvsw, void *data, u32 size)
+{
+ struct nv04_sw_chan *chan = nv04_sw_chan(nvsw->chan);
+ union {
+ struct nv04_nvsw_get_ref_v0 v0;
+ } *args = data;
+ int ret = -ENOSYS;
+
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
+ args->v0.ref = atomic_read(&chan->ref);
+ }
+
+ return ret;
+}
+
+static int
+nv04_nvsw_mthd(struct nvkm_nvsw *nvsw, u32 mthd, void *data, u32 size)
+{
+ switch (mthd) {
+ case NV04_NVSW_GET_REF:
+ return nv04_nvsw_mthd_get_ref(nvsw, data, size);
+ default:
+ break;
+ }
+ return -EINVAL;
+}
+
+static const struct nvkm_nvsw_func
+nv04_nvsw = {
+ .mthd = nv04_nvsw_mthd,
+};
+
+static int
+nv04_nvsw_new(struct nvkm_sw_chan *chan, const struct nvkm_oclass *oclass,
+ void *data, u32 size, struct nvkm_object **pobject)
+{
+ return nvkm_nvsw_new_(&nv04_nvsw, chan, oclass, data, size, pobject);
+}
+
+/*******************************************************************************
+ * software context
+ ******************************************************************************/
+
+static bool
+nv04_sw_chan_mthd(struct nvkm_sw_chan *base, int subc, u32 mthd, u32 data)
+{
+ struct nv04_sw_chan *chan = nv04_sw_chan(base);
+
+ switch (mthd) {
+ case 0x0150:
+ atomic_set(&chan->ref, data);
+ return true;
+ default:
+ break;
+ }
+
+ return false;
+}
+
+static const struct nvkm_sw_chan_func
+nv04_sw_chan = {
+ .mthd = nv04_sw_chan_mthd,
+};
+
+static int
+nv04_sw_chan_new(struct nvkm_sw *sw, struct nvkm_fifo_chan *fifo,
+ const struct nvkm_oclass *oclass, struct nvkm_object **pobject)
+{
+ struct nv04_sw_chan *chan;
+
+ if (!(chan = kzalloc(sizeof(*chan), GFP_KERNEL)))
+ return -ENOMEM;
+ atomic_set(&chan->ref, 0);
+ *pobject = &chan->base.object;
+
+ return nvkm_sw_chan_ctor(&nv04_sw_chan, sw, fifo, oclass, &chan->base);
+}
+
+/*******************************************************************************
+ * software engine/subdev functions
+ ******************************************************************************/
+
+static const struct nvkm_sw_func
+nv04_sw = {
+ .chan_new = nv04_sw_chan_new,
+ .sclass = {
+ { nv04_nvsw_new, { -1, -1, NVIF_CLASS_SW_NV04 } },
+ {}
+ }
+};
+
+int
+nv04_sw_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_sw **psw)
+{
+ return nvkm_sw_new_(&nv04_sw, device, type, inst, psw);
+}
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/sw/nv10.c b/drivers/gpu/drm/nouveau/nvkm/engine/sw/nv10.c
new file mode 100644
index 000000000..e79e640ae
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/sw/nv10.c
@@ -0,0 +1,68 @@
+/*
+ * 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 "priv.h"
+#include "chan.h"
+#include "nvsw.h"
+
+#include <nvif/class.h>
+
+/*******************************************************************************
+ * software context
+ ******************************************************************************/
+
+static const struct nvkm_sw_chan_func
+nv10_sw_chan = {
+};
+
+static int
+nv10_sw_chan_new(struct nvkm_sw *sw, struct nvkm_fifo_chan *fifo,
+ const struct nvkm_oclass *oclass, struct nvkm_object **pobject)
+{
+ struct nvkm_sw_chan *chan;
+
+ if (!(chan = kzalloc(sizeof(*chan), GFP_KERNEL)))
+ return -ENOMEM;
+ *pobject = &chan->object;
+
+ return nvkm_sw_chan_ctor(&nv10_sw_chan, sw, fifo, oclass, chan);
+}
+
+/*******************************************************************************
+ * software engine/subdev functions
+ ******************************************************************************/
+
+static const struct nvkm_sw_func
+nv10_sw = {
+ .chan_new = nv10_sw_chan_new,
+ .sclass = {
+ { nvkm_nvsw_new, { -1, -1, NVIF_CLASS_SW_NV10 } },
+ {}
+ }
+};
+
+int
+nv10_sw_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_sw **psw)
+{
+ return nvkm_sw_new_(&nv10_sw, device, type, inst, psw);
+}
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/sw/nv50.c b/drivers/gpu/drm/nouveau/nvkm/engine/sw/nv50.c
new file mode 100644
index 000000000..1fdd094c8
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/sw/nv50.c
@@ -0,0 +1,148 @@
+/*
+ * 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 "nv50.h"
+
+#include <core/gpuobj.h>
+#include <engine/disp.h>
+#include <engine/fifo/chan.h>
+#include <subdev/bar.h>
+
+#include <nvif/class.h>
+#include <nvif/event.h>
+
+/*******************************************************************************
+ * software context
+ ******************************************************************************/
+
+static int
+nv50_sw_chan_vblsem_release(struct nvkm_notify *notify)
+{
+ struct nv50_sw_chan *chan =
+ container_of(notify, typeof(*chan), vblank.notify[notify->index]);
+ struct nvkm_sw *sw = chan->base.sw;
+ struct nvkm_device *device = sw->engine.subdev.device;
+
+ nvkm_wr32(device, 0x001704, chan->base.fifo->inst->addr >> 12);
+ nvkm_wr32(device, 0x001710, 0x80000000 | chan->vblank.ctxdma);
+ nvkm_bar_flush(device->bar);
+
+ if (device->chipset == 0x50) {
+ nvkm_wr32(device, 0x001570, chan->vblank.offset);
+ nvkm_wr32(device, 0x001574, chan->vblank.value);
+ } else {
+ nvkm_wr32(device, 0x060010, chan->vblank.offset);
+ nvkm_wr32(device, 0x060014, chan->vblank.value);
+ }
+
+ return NVKM_NOTIFY_DROP;
+}
+
+static bool
+nv50_sw_chan_mthd(struct nvkm_sw_chan *base, int subc, u32 mthd, u32 data)
+{
+ struct nv50_sw_chan *chan = nv50_sw_chan(base);
+ struct nvkm_engine *engine = chan->base.object.engine;
+ struct nvkm_device *device = engine->subdev.device;
+ switch (mthd) {
+ case 0x018c: chan->vblank.ctxdma = data; return true;
+ case 0x0400: chan->vblank.offset = data; return true;
+ case 0x0404: chan->vblank.value = data; return true;
+ case 0x0408:
+ if (data < device->disp->vblank.index_nr) {
+ nvkm_notify_get(&chan->vblank.notify[data]);
+ return true;
+ }
+ break;
+ default:
+ break;
+ }
+ return false;
+}
+
+void *
+nv50_sw_chan_dtor(struct nvkm_sw_chan *base)
+{
+ struct nv50_sw_chan *chan = nv50_sw_chan(base);
+ int i;
+ for (i = 0; i < ARRAY_SIZE(chan->vblank.notify); i++)
+ nvkm_notify_fini(&chan->vblank.notify[i]);
+ return chan;
+}
+
+static const struct nvkm_sw_chan_func
+nv50_sw_chan = {
+ .dtor = nv50_sw_chan_dtor,
+ .mthd = nv50_sw_chan_mthd,
+};
+
+static int
+nv50_sw_chan_new(struct nvkm_sw *sw, struct nvkm_fifo_chan *fifoch,
+ const struct nvkm_oclass *oclass, struct nvkm_object **pobject)
+{
+ struct nvkm_disp *disp = sw->engine.subdev.device->disp;
+ struct nv50_sw_chan *chan;
+ int ret, i;
+
+ if (!(chan = kzalloc(sizeof(*chan), GFP_KERNEL)))
+ return -ENOMEM;
+ *pobject = &chan->base.object;
+
+ ret = nvkm_sw_chan_ctor(&nv50_sw_chan, sw, fifoch, oclass, &chan->base);
+ if (ret)
+ return ret;
+
+ for (i = 0; disp && i < disp->vblank.index_nr; i++) {
+ ret = nvkm_notify_init(NULL, &disp->vblank,
+ nv50_sw_chan_vblsem_release, false,
+ &(struct nvif_notify_head_req_v0) {
+ .head = i,
+ },
+ sizeof(struct nvif_notify_head_req_v0),
+ sizeof(struct nvif_notify_head_rep_v0),
+ &chan->vblank.notify[i]);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+/*******************************************************************************
+ * software engine/subdev functions
+ ******************************************************************************/
+
+static const struct nvkm_sw_func
+nv50_sw = {
+ .chan_new = nv50_sw_chan_new,
+ .sclass = {
+ { nvkm_nvsw_new, { -1, -1, NVIF_CLASS_SW_NV50 } },
+ {}
+ }
+};
+
+int
+nv50_sw_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_sw **psw)
+{
+ return nvkm_sw_new_(&nv50_sw, device, type, inst, psw);
+}
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/sw/nv50.h b/drivers/gpu/drm/nouveau/nvkm/engine/sw/nv50.h
new file mode 100644
index 000000000..6d364d7b4
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/sw/nv50.h
@@ -0,0 +1,21 @@
+/* SPDX-License-Identifier: MIT */
+#ifndef __NVKM_SW_NV50_H__
+#define __NVKM_SW_NV50_H__
+#define nv50_sw_chan(p) container_of((p), struct nv50_sw_chan, base)
+#include "priv.h"
+#include "chan.h"
+#include "nvsw.h"
+#include <core/notify.h>
+
+struct nv50_sw_chan {
+ struct nvkm_sw_chan base;
+ struct {
+ struct nvkm_notify notify[4];
+ u32 ctxdma;
+ u64 offset;
+ u32 value;
+ } vblank;
+};
+
+void *nv50_sw_chan_dtor(struct nvkm_sw_chan *);
+#endif
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/sw/nvsw.c b/drivers/gpu/drm/nouveau/nvkm/engine/sw/nvsw.c
new file mode 100644
index 000000000..33dd03fff
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/sw/nvsw.c
@@ -0,0 +1,85 @@
+/*
+ * Copyright 2015 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 <bskeggs@redhat.com>
+ */
+#include "nvsw.h"
+#include "chan.h"
+
+#include <nvif/if0004.h>
+
+static int
+nvkm_nvsw_mthd_(struct nvkm_object *object, u32 mthd, void *data, u32 size)
+{
+ struct nvkm_nvsw *nvsw = nvkm_nvsw(object);
+ if (nvsw->func->mthd)
+ return nvsw->func->mthd(nvsw, mthd, data, size);
+ return -ENODEV;
+}
+
+static int
+nvkm_nvsw_ntfy_(struct nvkm_object *object, u32 mthd,
+ struct nvkm_event **pevent)
+{
+ struct nvkm_nvsw *nvsw = nvkm_nvsw(object);
+ switch (mthd) {
+ case NV04_NVSW_NTFY_UEVENT:
+ *pevent = &nvsw->chan->event;
+ return 0;
+ default:
+ break;
+ }
+ return -EINVAL;
+}
+
+static const struct nvkm_object_func
+nvkm_nvsw_ = {
+ .mthd = nvkm_nvsw_mthd_,
+ .ntfy = nvkm_nvsw_ntfy_,
+};
+
+int
+nvkm_nvsw_new_(const struct nvkm_nvsw_func *func, struct nvkm_sw_chan *chan,
+ const struct nvkm_oclass *oclass, void *data, u32 size,
+ struct nvkm_object **pobject)
+{
+ struct nvkm_nvsw *nvsw;
+
+ if (!(nvsw = kzalloc(sizeof(*nvsw), GFP_KERNEL)))
+ return -ENOMEM;
+ *pobject = &nvsw->object;
+
+ nvkm_object_ctor(&nvkm_nvsw_, oclass, &nvsw->object);
+ nvsw->func = func;
+ nvsw->chan = chan;
+ return 0;
+}
+
+static const struct nvkm_nvsw_func
+nvkm_nvsw = {
+};
+
+int
+nvkm_nvsw_new(struct nvkm_sw_chan *chan, const struct nvkm_oclass *oclass,
+ void *data, u32 size, struct nvkm_object **pobject)
+{
+ return nvkm_nvsw_new_(&nvkm_nvsw, chan, oclass, data, size, pobject);
+}
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/sw/nvsw.h b/drivers/gpu/drm/nouveau/nvkm/engine/sw/nvsw.h
new file mode 100644
index 000000000..d2f846499
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/sw/nvsw.h
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: MIT */
+#ifndef __NVKM_NVSW_H__
+#define __NVKM_NVSW_H__
+#define nvkm_nvsw(p) container_of((p), struct nvkm_nvsw, object)
+#include <core/object.h>
+
+struct nvkm_nvsw {
+ struct nvkm_object object;
+ const struct nvkm_nvsw_func *func;
+ struct nvkm_sw_chan *chan;
+};
+
+struct nvkm_nvsw_func {
+ int (*mthd)(struct nvkm_nvsw *, u32 mthd, void *data, u32 size);
+};
+
+int nvkm_nvsw_new_(const struct nvkm_nvsw_func *, struct nvkm_sw_chan *,
+ const struct nvkm_oclass *, void *data, u32 size,
+ struct nvkm_object **pobject);
+int nvkm_nvsw_new(struct nvkm_sw_chan *, const struct nvkm_oclass *,
+ void *data, u32 size, struct nvkm_object **pobject);
+#endif
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/sw/priv.h b/drivers/gpu/drm/nouveau/nvkm/engine/sw/priv.h
new file mode 100644
index 000000000..d9d83b1b8
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/sw/priv.h
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: MIT */
+#ifndef __NVKM_SW_PRIV_H__
+#define __NVKM_SW_PRIV_H__
+#define nvkm_sw(p) container_of((p), struct nvkm_sw, engine)
+#include <engine/sw.h>
+struct nvkm_sw_chan;
+
+int nvkm_sw_new_(const struct nvkm_sw_func *, struct nvkm_device *, enum nvkm_subdev_type, int,
+ struct nvkm_sw **);
+
+struct nvkm_sw_chan_sclass {
+ int (*ctor)(struct nvkm_sw_chan *, const struct nvkm_oclass *,
+ void *data, u32 size, struct nvkm_object **);
+ struct nvkm_sclass base;
+};
+
+struct nvkm_sw_func {
+ int (*chan_new)(struct nvkm_sw *, struct nvkm_fifo_chan *,
+ const struct nvkm_oclass *, struct nvkm_object **);
+ const struct nvkm_sw_chan_sclass sclass[];
+};
+#endif