64 lines
2.1 KiB
C
64 lines
2.1 KiB
C
/*
|
|
* 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,
|
|
.bar1.init = nv50_bar_bar1_init,
|
|
.bar1.fini = nv50_bar_bar1_fini,
|
|
.bar1.wait = nv50_bar_bar1_wait,
|
|
.bar1.vmm = nv50_bar_bar1_vmm,
|
|
.bar2.init = nv50_bar_bar2_init,
|
|
.bar2.fini = nv50_bar_bar2_fini,
|
|
.bar2.wait = nv50_bar_bar1_wait,
|
|
.bar2.vmm = nv50_bar_bar2_vmm,
|
|
.flush = g84_bar_flush,
|
|
};
|
|
|
|
int
|
|
g84_bar_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
|
|
struct nvkm_bar **pbar)
|
|
{
|
|
return nv50_bar_new_(&g84_bar_func, device, type, inst, 0x200, pbar);
|
|
}
|