64 lines
2.1 KiB
C
64 lines
2.1 KiB
C
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/*
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* Copyright 2015 Red Hat Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors: Ben Skeggs <bskeggs@redhat.com>
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*/
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#include "nv50.h"
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#include <subdev/timer.h>
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void
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g84_bar_flush(struct nvkm_bar *bar)
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{
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struct nvkm_device *device = bar->subdev.device;
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unsigned long flags;
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spin_lock_irqsave(&bar->lock, flags);
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nvkm_wr32(device, 0x070000, 0x00000001);
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nvkm_msec(device, 2000,
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if (!(nvkm_rd32(device, 0x070000) & 0x00000002))
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break;
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);
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spin_unlock_irqrestore(&bar->lock, flags);
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}
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static const struct nvkm_bar_func
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g84_bar_func = {
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.dtor = nv50_bar_dtor,
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.oneinit = nv50_bar_oneinit,
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.init = nv50_bar_init,
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.bar1.init = nv50_bar_bar1_init,
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.bar1.fini = nv50_bar_bar1_fini,
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.bar1.wait = nv50_bar_bar1_wait,
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.bar1.vmm = nv50_bar_bar1_vmm,
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.bar2.init = nv50_bar_bar2_init,
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.bar2.fini = nv50_bar_bar2_fini,
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.bar2.wait = nv50_bar_bar1_wait,
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.bar2.vmm = nv50_bar_bar2_vmm,
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.flush = g84_bar_flush,
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};
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int
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g84_bar_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
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struct nvkm_bar **pbar)
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{
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return nv50_bar_new_(&g84_bar_func, device, type, inst, 0x200, pbar);
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}
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