80 lines
2.5 KiB
C
80 lines
2.5 KiB
C
/*
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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 "nv50.h"
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#include "outp.h"
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#include <core/client.h>
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#include <subdev/timer.h>
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#include <nvif/class.h>
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#include <nvif/unpack.h>
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int
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gt215_hda_eld(NV50_DISP_MTHD_V1)
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{
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struct nvkm_device *device = disp->base.engine.subdev.device;
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union {
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struct nv50_disp_sor_hda_eld_v0 v0;
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} *args = data;
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const u32 soff = outp->or * 0x800;
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int ret, i;
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nvif_ioctl(object, "disp sor hda eld size %d\n", size);
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if (nvif_unpack(args->v0, 0, 0, true)) {
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nvif_ioctl(object, "disp sor hda eld vers %d\n",
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args->v0.version);
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if (size > 0x60)
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return -E2BIG;
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} else
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return ret;
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if (size && args->v0.data[0]) {
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if (outp->info.type == DCB_OUTPUT_DP) {
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nvkm_mask(device, 0x61c1e0 + soff, 0x8000000d, 0x80000001);
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nvkm_msec(device, 2000,
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u32 tmp = nvkm_rd32(device, 0x61c1e0 + soff);
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if (!(tmp & 0x80000000))
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break;
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);
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}
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for (i = 0; i < size; i++)
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nvkm_wr32(device, 0x61c440 + soff, (i << 8) | args->v0.data[0]);
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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, 0x80000003, 0x80000003);
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} else {
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if (outp->info.type == DCB_OUTPUT_DP) {
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nvkm_mask(device, 0x61c1e0 + soff, 0x80000001, 0x80000000);
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nvkm_msec(device, 2000,
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u32 tmp = nvkm_rd32(device, 0x61c1e0 + soff);
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if (!(tmp & 0x80000000))
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break;
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);
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}
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nvkm_mask(device, 0x61c448 + soff, 0x80000003, 0x80000000 | !!size);
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}
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return 0;
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}
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