5113f6f70
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kernel add
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/*
* 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 "nv50.h"
#include <subdev/timer.h>
void
g84_bar_flush(struct nvkm_bar *bar)
{
struct nvkm_device *device = bar->subdev.device;
unsigned long flags;
spin_lock_irqsave(&bar->lock, flags);
nvkm_wr32(device, 0x070000, 0x00000001);
nvkm_msec(device, 2000,
if (!(nvkm_rd32(device, 0x070000) & 0x00000002))
break;
);
spin_unlock_irqrestore(&bar->lock, flags);
}
static const struct nvkm_bar_func
g84_bar_func = {
.dtor = nv50_bar_dtor,
.oneinit = nv50_bar_oneinit,
.init = nv50_bar_init,
.kmap = nv50_bar_kmap,
.umap = nv50_bar_umap,
.flush = g84_bar_flush,
};
int
g84_bar_new(struct nvkm_device *device, int index, struct nvkm_bar **pbar)
{
return nv50_bar_new_(&g84_bar_func, device, index, 0x200, pbar);
}
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