Adding upstream version 5.10.209.upstream/5.10.209upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 137 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/dmacnv50.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/dmacnv50.c
new file mode 100644
index 000000000..d0a7da96d
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/dmacnv50.c
@@ -0,0 +1,137 @@
+/*
+ * 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 "channv50.h"
+
+#include <core/client.h>
+#include <core/ramht.h>
+#include <subdev/fb.h>
+#include <subdev/mmu.h>
+#include <subdev/timer.h>
+#include <engine/dma.h>
+
+int
+nv50_disp_dmac_new_(const struct nv50_disp_chan_func *func,
+		    const struct nv50_disp_chan_mthd *mthd,
+		    struct nv50_disp *disp, int chid, int head, u64 push,
+		    const struct nvkm_oclass *oclass,
+		    struct nvkm_object **pobject)
+{
+	struct nvkm_client *client = oclass->client;
+	struct nv50_disp_chan *chan;
+	int ret;
+
+	ret = nv50_disp_chan_new_(func, mthd, disp, chid, chid, head, oclass,
+				  pobject);
+	chan = nv50_disp_chan(*pobject);
+	if (ret)
+		return ret;
+
+	chan->memory = nvkm_umem_search(client, push);
+	if (IS_ERR(chan->memory))
+		return PTR_ERR(chan->memory);
+
+	if (nvkm_memory_size(chan->memory) < 0x1000)
+		return -EINVAL;
+
+	switch (nvkm_memory_target(chan->memory)) {
+	case NVKM_MEM_TARGET_VRAM: chan->push = 0x00000001; break;
+	case NVKM_MEM_TARGET_NCOH: chan->push = 0x00000002; break;
+	case NVKM_MEM_TARGET_HOST: chan->push = 0x00000003; break;
+	default:
+		return -EINVAL;
+	}
+
+	chan->push |= nvkm_memory_addr(chan->memory) >> 8;
+	return 0;
+}
+
+int
+nv50_disp_dmac_bind(struct nv50_disp_chan *chan,
+		    struct nvkm_object *object, u32 handle)
+{
+	return nvkm_ramht_insert(chan->disp->ramht, object,
+				 chan->chid.user, -10, handle,
+				 chan->chid.user << 28 |
+				 chan->chid.user);
+}
+
+static void
+nv50_disp_dmac_fini(struct nv50_disp_chan *chan)
+{
+	struct nvkm_subdev *subdev = &chan->disp->base.engine.subdev;
+	struct nvkm_device *device = subdev->device;
+	int ctrl = chan->chid.ctrl;
+	int user = chan->chid.user;
+
+	/* deactivate channel */
+	nvkm_mask(device, 0x610200 + (ctrl * 0x0010), 0x00001010, 0x00001000);
+	nvkm_mask(device, 0x610200 + (ctrl * 0x0010), 0x00000003, 0x00000000);
+	if (nvkm_msec(device, 2000,
+		if (!(nvkm_rd32(device, 0x610200 + (ctrl * 0x10)) & 0x001e0000))
+			break;
+	) < 0) {
+		nvkm_error(subdev, "ch %d fini timeout, %08x\n", user,
+			   nvkm_rd32(device, 0x610200 + (ctrl * 0x10)));
+	}
+
+	chan->suspend_put = nvkm_rd32(device, 0x640000 + (ctrl * 0x1000));
+}
+
+static int
+nv50_disp_dmac_init(struct nv50_disp_chan *chan)
+{
+	struct nvkm_subdev *subdev = &chan->disp->base.engine.subdev;
+	struct nvkm_device *device = subdev->device;
+	int ctrl = chan->chid.ctrl;
+	int user = chan->chid.user;
+
+	/* initialise channel for dma command submission */
+	nvkm_wr32(device, 0x610204 + (ctrl * 0x0010), chan->push);
+	nvkm_wr32(device, 0x610208 + (ctrl * 0x0010), 0x00010000);
+	nvkm_wr32(device, 0x61020c + (ctrl * 0x0010), ctrl);
+	nvkm_mask(device, 0x610200 + (ctrl * 0x0010), 0x00000010, 0x00000010);
+	nvkm_wr32(device, 0x640000 + (ctrl * 0x1000), chan->suspend_put);
+	nvkm_wr32(device, 0x610200 + (ctrl * 0x0010), 0x00000013);
+
+	/* wait for it to go inactive */
+	if (nvkm_msec(device, 2000,
+		if (!(nvkm_rd32(device, 0x610200 + (ctrl * 0x10)) & 0x80000000))
+			break;
+	) < 0) {
+		nvkm_error(subdev, "ch %d init timeout, %08x\n", user,
+			   nvkm_rd32(device, 0x610200 + (ctrl * 0x10)));
+		return -EBUSY;
+	}
+
+	return 0;
+}
+
+const struct nv50_disp_chan_func
+nv50_disp_dmac_func = {
+	.init = nv50_disp_dmac_init,
+	.fini = nv50_disp_dmac_fini,
+	.intr = nv50_disp_chan_intr,
+	.user = nv50_disp_chan_user,
+	.bind = nv50_disp_dmac_bind,
+};