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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 "hdmi.h"
void
gf119_hdmi_ctrl(struct nvkm_ior *ior, int head, bool enable, u8 max_ac_packet,
u8 rekey, u8 *avi, u8 avi_size, u8 *vendor, u8 vendor_size)
{
struct nvkm_device *device = ior->disp->engine.subdev.device;
const u32 ctrl = 0x40000000 * enable |
max_ac_packet << 16 |
rekey;
const u32 hoff = head * 0x800;
struct packed_hdmi_infoframe avi_infoframe;
struct packed_hdmi_infoframe vendor_infoframe;
pack_hdmi_infoframe(&avi_infoframe, avi, avi_size);
pack_hdmi_infoframe(&vendor_infoframe, vendor, vendor_size);
if (!(ctrl & 0x40000000)) {
nvkm_mask(device, 0x616798 + hoff, 0x40000000, 0x00000000);
nvkm_mask(device, 0x616730 + hoff, 0x00000001, 0x00000000);
nvkm_mask(device, 0x6167a4 + hoff, 0x00000001, 0x00000000);
nvkm_mask(device, 0x616714 + hoff, 0x00000001, 0x00000000);
return;
}
/* AVI InfoFrame */
nvkm_mask(device, 0x616714 + hoff, 0x00000001, 0x00000000);
if (avi_size) {
nvkm_wr32(device, 0x61671c + hoff, avi_infoframe.header);
nvkm_wr32(device, 0x616720 + hoff, avi_infoframe.subpack0_low);
nvkm_wr32(device, 0x616724 + hoff, avi_infoframe.subpack0_high);
nvkm_wr32(device, 0x616728 + hoff, avi_infoframe.subpack1_low);
nvkm_wr32(device, 0x61672c + hoff, avi_infoframe.subpack1_high);
nvkm_mask(device, 0x616714 + hoff, 0x00000001, 0x00000001);
}
/* GENERIC(?) / Vendor InfoFrame? */
nvkm_mask(device, 0x616730 + hoff, 0x00010001, 0x00010000);
if (vendor_size) {
/*
* These appear to be the audio infoframe registers,
* but no other set of infoframe registers has yet
* been found.
*/
nvkm_wr32(device, 0x616738 + hoff, vendor_infoframe.header);
nvkm_wr32(device, 0x61673c + hoff, vendor_infoframe.subpack0_low);
nvkm_wr32(device, 0x616740 + hoff, vendor_infoframe.subpack0_high);
/* Is there a second (or further?) set of subpack registers here? */
nvkm_mask(device, 0x616730 + hoff, 0x00000001, 0x00000001);
}
/* ??? InfoFrame? */
nvkm_mask(device, 0x6167a4 + hoff, 0x00000001, 0x00000000);
nvkm_wr32(device, 0x6167ac + hoff, 0x00000010);
nvkm_mask(device, 0x6167a4 + hoff, 0x00000001, 0x00000001);
/* HDMI_CTRL */
nvkm_mask(device, 0x616798 + hoff, 0x401f007f, ctrl);
}
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