linux_kernel/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gf117.c

/*
 * Copyright 2015 Samuel Pitosiet
 *
 * 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: Samuel Pitoiset
 */
#include "priv.h"

static int
gf117_ibus_init(struct nvkm_subdev *ibus)
{
	struct nvkm_device *device = ibus->device;
	nvkm_mask(device, 0x122310, 0x0003ffff, 0x00000800);
	nvkm_mask(device, 0x122348, 0x0003ffff, 0x00000100);
	nvkm_mask(device, 0x1223b0, 0x0003ffff, 0x00000fff);
	return 0;
}

static const struct nvkm_subdev_func
gf117_ibus = {
	.init = gf117_ibus_init,
	.intr = gf100_ibus_intr,
};

int
gf117_ibus_new(struct nvkm_device *device, int index,
	       struct nvkm_subdev **pibus)
{
	struct nvkm_subdev *ibus;
	if (!(ibus = *pibus = kzalloc(sizeof(*ibus), GFP_KERNEL)))
		return -ENOMEM;
	nvkm_subdev_ctor(&gf117_ibus, device, index, ibus);
	return 0;
}