132932281SBen Skeggs /*
232932281SBen Skeggs * Copyright 2015 Red Hat Inc.
332932281SBen Skeggs *
432932281SBen Skeggs * Permission is hereby granted, free of charge, to any person obtaining a
532932281SBen Skeggs * copy of this software and associated documentation files (the "Software"),
632932281SBen Skeggs * to deal in the Software without restriction, including without limitation
732932281SBen Skeggs * the rights to use, copy, modify, merge, publish, distribute, sublicense,
832932281SBen Skeggs * and/or sell copies of the Software, and to permit persons to whom the
932932281SBen Skeggs * Software is furnished to do so, subject to the following conditions:
1032932281SBen Skeggs *
1132932281SBen Skeggs * The above copyright notice and this permission notice shall be included in
1232932281SBen Skeggs * all copies or substantial portions of the Software.
1332932281SBen Skeggs *
1432932281SBen Skeggs * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
1532932281SBen Skeggs * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
1632932281SBen Skeggs * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
1732932281SBen Skeggs * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
1832932281SBen Skeggs * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
1932932281SBen Skeggs * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
2032932281SBen Skeggs * OTHER DEALINGS IN THE SOFTWARE.
2132932281SBen Skeggs *
2232932281SBen Skeggs * Authors: Ben Skeggs <bskeggs@redhat.com>
2332932281SBen Skeggs */
2432932281SBen Skeggs #include "nv50.h"
2532932281SBen Skeggs
2632932281SBen Skeggs #include <subdev/timer.h>
2732932281SBen Skeggs
2832932281SBen Skeggs void
g84_bar_flush(struct nvkm_bar * bar)2932932281SBen Skeggs g84_bar_flush(struct nvkm_bar *bar)
3032932281SBen Skeggs {
3132932281SBen Skeggs struct nvkm_device *device = bar->subdev.device;
3232932281SBen Skeggs unsigned long flags;
3332932281SBen Skeggs spin_lock_irqsave(&bar->lock, flags);
3432932281SBen Skeggs nvkm_wr32(device, 0x070000, 0x00000001);
3532932281SBen Skeggs nvkm_msec(device, 2000,
3632932281SBen Skeggs if (!(nvkm_rd32(device, 0x070000) & 0x00000002))
3732932281SBen Skeggs break;
3832932281SBen Skeggs );
3932932281SBen Skeggs spin_unlock_irqrestore(&bar->lock, flags);
4032932281SBen Skeggs }
4132932281SBen Skeggs
4232932281SBen Skeggs static const struct nvkm_bar_func
4332932281SBen Skeggs g84_bar_func = {
4432932281SBen Skeggs .dtor = nv50_bar_dtor,
4532932281SBen Skeggs .oneinit = nv50_bar_oneinit,
4632932281SBen Skeggs .init = nv50_bar_init,
477313cfa4SBen Skeggs .bar1.init = nv50_bar_bar1_init,
48bbb163e1SBen Skeggs .bar1.fini = nv50_bar_bar1_fini,
497313cfa4SBen Skeggs .bar1.wait = nv50_bar_bar1_wait,
50570889dcSBen Skeggs .bar1.vmm = nv50_bar_bar1_vmm,
5148fe0247SBen Skeggs .bar2.init = nv50_bar_bar2_init,
52e988952eSBen Skeggs .bar2.fini = nv50_bar_bar2_fini,
5348fe0247SBen Skeggs .bar2.wait = nv50_bar_bar1_wait,
54a78dbce9SBen Skeggs .bar2.vmm = nv50_bar_bar2_vmm,
5532932281SBen Skeggs .flush = g84_bar_flush,
5632932281SBen Skeggs };
5732932281SBen Skeggs
5832932281SBen Skeggs int
g84_bar_new(struct nvkm_device * device,enum nvkm_subdev_type type,int inst,struct nvkm_bar ** pbar)59*917b24a3SBen Skeggs g84_bar_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
60*917b24a3SBen Skeggs struct nvkm_bar **pbar)
6132932281SBen Skeggs {
62*917b24a3SBen Skeggs return nv50_bar_new_(&g84_bar_func, device, type, inst, 0x200, pbar);
6332932281SBen Skeggs }
64