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/*
* Copyright 2014 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 "hdmi.h"
#include <core/client.h>
#include <nvif/cl5070.h>
#include <nvif/unpack.h>
int
gk104_hdmi_ctrl(NV50_DISP_MTHD_V1)
{
struct nvkm_device *device = disp->base.engine.subdev.device;
const u32 hoff = (head * 0x800);
const u32 hdmi = (head * 0x400);
union {
struct nv50_disp_sor_hdmi_pwr_v0 v0;
} *args = data;
struct packed_hdmi_infoframe avi_infoframe;
struct packed_hdmi_infoframe vendor_infoframe;
u32 ctrl;
int ret = -ENOSYS;
nvif_ioctl(object, "disp sor hdmi ctrl size %d\n", size);
if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, true))) {
nvif_ioctl(object, "disp sor hdmi ctrl vers %d state %d "
"max_ac_packet %d rekey %d\n",
args->v0.version, args->v0.state,
args->v0.max_ac_packet, args->v0.rekey);
if (args->v0.max_ac_packet > 0x1f || args->v0.rekey > 0x7f)
return -EINVAL;
ctrl = 0x40000000 * !!args->v0.state;
ctrl |= args->v0.max_ac_packet << 16;
ctrl |= args->v0.rekey;
} else
return ret;
if ((args->v0.avi_infoframe_length
+ args->v0.vendor_infoframe_length) > size)
return -ENOSYS;
else if ((args->v0.avi_infoframe_length
+ args->v0.vendor_infoframe_length) < size)
return -E2BIG;
pack_hdmi_infoframe(&avi_infoframe,
data,
args->v0.avi_infoframe_length);
pack_hdmi_infoframe(&vendor_infoframe,
data + args->v0.avi_infoframe_length,
args->v0.vendor_infoframe_length);
if (!(ctrl & 0x40000000)) {
nvkm_mask(device, 0x616798 + hoff, 0x40000000, 0x00000000);
nvkm_mask(device, 0x690100 + hdmi, 0x00000001, 0x00000000);
nvkm_mask(device, 0x6900c0 + hdmi, 0x00000001, 0x00000000);
nvkm_mask(device, 0x690000 + hdmi, 0x00000001, 0x00000000);
return 0;
}
/* AVI InfoFrame */
nvkm_mask(device, 0x690000 + hdmi, 0x00000001, 0x00000000);
if (args->v0.avi_infoframe_length) {
nvkm_wr32(device, 0x690008 + hdmi, avi_infoframe.header);
nvkm_wr32(device, 0x69000c + hdmi, avi_infoframe.subpack0_low);
nvkm_wr32(device, 0x690010 + hdmi, avi_infoframe.subpack0_high);
nvkm_wr32(device, 0x690014 + hdmi, avi_infoframe.subpack1_low);
nvkm_wr32(device, 0x690018 + hdmi, avi_infoframe.subpack1_high);
nvkm_mask(device, 0x690000 + hdmi, 0x00000001, 0x00000001);
}
/* GENERIC(?) / Vendor InfoFrame? */
nvkm_mask(device, 0x690100 + hdmi, 0x00010001, 0x00000000);
if (args->v0.vendor_infoframe_length) {
nvkm_wr32(device, 0x690108 + hdmi, vendor_infoframe.header);
nvkm_wr32(device, 0x69010c + hdmi, vendor_infoframe.subpack0_low);
nvkm_wr32(device, 0x690110 + hdmi, vendor_infoframe.subpack0_high);
/* Is there a second (or further?) set of subpack registers here? */
nvkm_mask(device, 0x690100 + hdmi, 0x00000001, 0x00000001);
}
/* ??? InfoFrame? */
nvkm_mask(device, 0x6900c0 + hdmi, 0x00000001, 0x00000000);
nvkm_wr32(device, 0x6900cc + hdmi, 0x00000010);
nvkm_mask(device, 0x6900c0 + hdmi, 0x00000001, 0x00000001);
/* ??? */
nvkm_wr32(device, 0x690080 + hdmi, 0x82000000);
/* HDMI_CTRL */
nvkm_mask(device, 0x616798 + hoff, 0x401f007f, ctrl);
return 0;
}
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