100 lines
2.9 KiB
C
100 lines
2.9 KiB
C
/*
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* Copyright 2018 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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#include "gf100.h"
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#include <core/memory.h>
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#include <subdev/timer.h>
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static void
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tu102_bar_bar2_wait(struct nvkm_bar *bar)
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{
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struct nvkm_device *device = bar->subdev.device;
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nvkm_msec(device, 2000,
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if (!(nvkm_rd32(device, 0xb80f50) & 0x0000000c))
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break;
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);
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}
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static void
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tu102_bar_bar2_fini(struct nvkm_bar *bar)
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{
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nvkm_mask(bar->subdev.device, 0xb80f48, 0x80000000, 0x00000000);
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}
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static void
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tu102_bar_bar2_init(struct nvkm_bar *base)
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{
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struct nvkm_device *device = base->subdev.device;
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struct gf100_bar *bar = gf100_bar(base);
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u32 addr = nvkm_memory_addr(bar->bar[0].inst) >> 12;
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if (bar->bar2_halve)
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addr |= 0x40000000;
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nvkm_wr32(device, 0xb80f48, 0x80000000 | addr);
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}
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static void
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tu102_bar_bar1_wait(struct nvkm_bar *bar)
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{
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struct nvkm_device *device = bar->subdev.device;
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nvkm_msec(device, 2000,
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if (!(nvkm_rd32(device, 0xb80f50) & 0x00000003))
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break;
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);
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}
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static void
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tu102_bar_bar1_fini(struct nvkm_bar *bar)
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{
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nvkm_mask(bar->subdev.device, 0xb80f40, 0x80000000, 0x00000000);
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}
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static void
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tu102_bar_bar1_init(struct nvkm_bar *base)
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{
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struct nvkm_device *device = base->subdev.device;
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struct gf100_bar *bar = gf100_bar(base);
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const u32 addr = nvkm_memory_addr(bar->bar[1].inst) >> 12;
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nvkm_wr32(device, 0xb80f40, 0x80000000 | addr);
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}
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static const struct nvkm_bar_func
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tu102_bar = {
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.dtor = gf100_bar_dtor,
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.oneinit = gf100_bar_oneinit,
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.bar1.init = tu102_bar_bar1_init,
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.bar1.fini = tu102_bar_bar1_fini,
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.bar1.wait = tu102_bar_bar1_wait,
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.bar1.vmm = gf100_bar_bar1_vmm,
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.bar2.init = tu102_bar_bar2_init,
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.bar2.fini = tu102_bar_bar2_fini,
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.bar2.wait = tu102_bar_bar2_wait,
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.bar2.vmm = gf100_bar_bar2_vmm,
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.flush = g84_bar_flush,
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};
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int
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tu102_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 gf100_bar_new_(&tu102_bar, device, type, inst, pbar);
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}
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