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/*
* Copyright 2012 Red Hat Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: Ben Skeggs
*/
#include "nv50.h"
#include "outp.h"
#include <core/client.h>
#include <subdev/timer.h>
#include <nvif/cl5070.h>
#include <nvif/unpack.h>
int
gt215_hda_eld(NV50_DISP_MTHD_V1)
{
struct nvkm_device *device = disp->base.engine.subdev.device;
union {
struct nv50_disp_sor_hda_eld_v0 v0;
} *args = data;
const u32 soff = outp->or * 0x800;
int ret = -ENOSYS, i;
nvif_ioctl(object, "disp sor hda eld size %d\n", size);
if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, true))) {
nvif_ioctl(object, "disp sor hda eld vers %d\n",
args->v0.version);
if (size > 0x60)
return -E2BIG;
} else
return ret;
if (size && args->v0.data[0]) {
if (outp->info.type == DCB_OUTPUT_DP) {
nvkm_mask(device, 0x61c1e0 + soff, 0x8000000d, 0x80000001);
nvkm_msec(device, 2000,
u32 tmp = nvkm_rd32(device, 0x61c1e0 + soff);
if (!(tmp & 0x80000000))
break;
);
}
for (i = 0; i < size; i++)
nvkm_wr32(device, 0x61c440 + soff, (i << 8) | args->v0.data[0]);
for (; i < 0x60; i++)
nvkm_wr32(device, 0x61c440 + soff, (i << 8));
nvkm_mask(device, 0x61c448 + soff, 0x80000003, 0x80000003);
} else {
if (outp->info.type == DCB_OUTPUT_DP) {
nvkm_mask(device, 0x61c1e0 + soff, 0x80000001, 0x80000000);
nvkm_msec(device, 2000,
u32 tmp = nvkm_rd32(device, 0x61c1e0 + soff);
if (!(tmp & 0x80000000))
break;
);
}
nvkm_mask(device, 0x61c448 + soff, 0x80000003, 0x80000000 | !!size);
}
return 0;
}
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