Release 4.11 drivers/gpu/drm/nouveau/nvkm/engine/fifo/g84.c

/*
 * 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 "channv50.h"


static void

g84_fifo_uevent_fini(struct nvkm_fifo *fifo)
{
	struct nvkm_device *device = fifo->engine.subdev.device;
	nvkm_mask(device, 0x002140, 0x40000000, 0x00000000);
}

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static void

g84_fifo_uevent_init(struct nvkm_fifo *fifo)
{
	struct nvkm_device *device = fifo->engine.subdev.device;
	nvkm_mask(device, 0x002140, 0x40000000, 0x40000000);
}

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static const struct nvkm_fifo_func

g84_fifo = {
	.dtor = nv50_fifo_dtor,
	.oneinit = nv50_fifo_oneinit,
	.init = nv50_fifo_init,
	.intr = nv04_fifo_intr,
	.pause = nv04_fifo_pause,
	.start = nv04_fifo_start,
	.uevent_init = g84_fifo_uevent_init,
	.uevent_fini = g84_fifo_uevent_fini,
	.chan = {
		&g84_fifo_dma_oclass,
		&g84_fifo_gpfifo_oclass,
		NULL
	},
};


int

g84_fifo_new(struct nvkm_device *device, int index, struct nvkm_fifo **pfifo)
{
	return nv50_fifo_new_(&g84_fifo, device, index, pfifo);
}
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Directory: drivers/gpu/drm/nouveau/nvkm/engine/fifo

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