52 lines
1.8 KiB
C
52 lines
1.8 KiB
C
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/*
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* Copyright 2012 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
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*/
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#include "ior.h"
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void
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gt215_hda_eld(struct nvkm_ior *ior, int head, u8 *data, u8 size)
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{
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struct nvkm_device *device = ior->disp->engine.subdev.device;
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const u32 soff = ior->id * 0x800;
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int i;
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for (i = 0; i < size; i++)
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nvkm_wr32(device, 0x61c440 + soff, (i << 8) | data[i]);
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for (; i < 0x60; i++)
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nvkm_wr32(device, 0x61c440 + soff, (i << 8));
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nvkm_mask(device, 0x61c448 + soff, 0x80000002, 0x80000002);
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}
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void
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gt215_hda_hpd(struct nvkm_ior *ior, int head, bool present)
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{
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struct nvkm_device *device = ior->disp->engine.subdev.device;
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u32 data = 0x80000000;
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u32 mask = 0x80000001;
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if (present)
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data |= 0x00000001;
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else
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mask |= 0x00000002;
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nvkm_mask(device, 0x61c448 + ior->id * 0x800, mask, data);
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}
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