85 lines
3.4 KiB
C
85 lines
3.4 KiB
C
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/*
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* Copyright 2018 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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#include "hdmi.h"
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void
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gv100_hdmi_ctrl(struct nvkm_ior *ior, int head, bool enable, u8 max_ac_packet,
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u8 rekey, u8 *avi, u8 avi_size, u8 *vendor, u8 vendor_size)
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{
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struct nvkm_device *device = ior->disp->engine.subdev.device;
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const u32 ctrl = 0x40000000 * enable |
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max_ac_packet << 16 |
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rekey;
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const u32 hoff = head * 0x800;
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const u32 hdmi = head * 0x400;
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struct packed_hdmi_infoframe avi_infoframe;
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struct packed_hdmi_infoframe vendor_infoframe;
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pack_hdmi_infoframe(&avi_infoframe, avi, avi_size);
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pack_hdmi_infoframe(&vendor_infoframe, vendor, vendor_size);
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if (!(ctrl & 0x40000000)) {
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nvkm_mask(device, 0x6165c0 + hoff, 0x40000000, 0x00000000);
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nvkm_mask(device, 0x6f0100 + hdmi, 0x00000001, 0x00000000);
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nvkm_mask(device, 0x6f00c0 + hdmi, 0x00000001, 0x00000000);
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nvkm_mask(device, 0x6f0000 + hdmi, 0x00000001, 0x00000000);
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return;
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}
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/* AVI InfoFrame (AVI). */
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nvkm_mask(device, 0x6f0000 + hdmi, 0x00000001, 0x00000000);
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if (avi_size) {
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nvkm_wr32(device, 0x6f0008 + hdmi, avi_infoframe.header);
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nvkm_wr32(device, 0x6f000c + hdmi, avi_infoframe.subpack0_low);
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nvkm_wr32(device, 0x6f0010 + hdmi, avi_infoframe.subpack0_high);
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nvkm_wr32(device, 0x6f0014 + hdmi, avi_infoframe.subpack1_low);
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nvkm_wr32(device, 0x6f0018 + hdmi, avi_infoframe.subpack1_high);
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nvkm_mask(device, 0x6f0000 + hdmi, 0x00000001, 0x00000001);
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}
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/* Vendor-specific InfoFrame (VSI). */
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nvkm_mask(device, 0x6f0100 + hdmi, 0x00010001, 0x00000000);
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if (vendor_size) {
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nvkm_wr32(device, 0x6f0108 + hdmi, vendor_infoframe.header);
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nvkm_wr32(device, 0x6f010c + hdmi, vendor_infoframe.subpack0_low);
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nvkm_wr32(device, 0x6f0110 + hdmi, vendor_infoframe.subpack0_high);
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nvkm_wr32(device, 0x6f0114 + hdmi, 0x00000000);
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nvkm_wr32(device, 0x6f0118 + hdmi, 0x00000000);
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nvkm_wr32(device, 0x6f011c + hdmi, 0x00000000);
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nvkm_wr32(device, 0x6f0120 + hdmi, 0x00000000);
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nvkm_wr32(device, 0x6f0124 + hdmi, 0x00000000);
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nvkm_mask(device, 0x6f0100 + hdmi, 0x00000001, 0x00000001);
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}
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/* General Control (GCP). */
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nvkm_mask(device, 0x6f00c0 + hdmi, 0x00000001, 0x00000000);
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nvkm_wr32(device, 0x6f00cc + hdmi, 0x00000010);
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nvkm_mask(device, 0x6f00c0 + hdmi, 0x00000001, 0x00000001);
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/* Audio Clock Regeneration (ACR). */
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nvkm_wr32(device, 0x6f0080 + hdmi, 0x82000000);
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/* NV_PDISP_SF_HDMI_CTRL. */
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nvkm_mask(device, 0x6165c0 + hoff, 0x401f007f, ctrl);
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}
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