92 lines
3.8 KiB
C
92 lines
3.8 KiB
C
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/*
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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 "hdmi.h"
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void
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g84_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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0x1f000000 /* ??? */ |
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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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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, 0x6165a4 + hoff, 0x40000000, 0x00000000);
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nvkm_mask(device, 0x61653c + hoff, 0x00000001, 0x00000000);
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nvkm_mask(device, 0x616520 + hoff, 0x00000001, 0x00000000);
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nvkm_mask(device, 0x616500 + hoff, 0x00000001, 0x00000000);
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return;
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}
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/* AVI InfoFrame */
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nvkm_mask(device, 0x616520 + hoff, 0x00000001, 0x00000000);
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if (avi_size) {
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nvkm_wr32(device, 0x616528 + hoff, avi_infoframe.header);
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nvkm_wr32(device, 0x61652c + hoff, avi_infoframe.subpack0_low);
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nvkm_wr32(device, 0x616530 + hoff, avi_infoframe.subpack0_high);
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nvkm_wr32(device, 0x616534 + hoff, avi_infoframe.subpack1_low);
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nvkm_wr32(device, 0x616538 + hoff, avi_infoframe.subpack1_high);
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nvkm_mask(device, 0x616520 + hoff, 0x00000001, 0x00000001);
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}
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/* Audio InfoFrame */
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nvkm_mask(device, 0x616500 + hoff, 0x00000001, 0x00000000);
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nvkm_wr32(device, 0x616508 + hoff, 0x000a0184);
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nvkm_wr32(device, 0x61650c + hoff, 0x00000071);
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nvkm_wr32(device, 0x616510 + hoff, 0x00000000);
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nvkm_mask(device, 0x616500 + hoff, 0x00000001, 0x00000001);
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/* Vendor InfoFrame */
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nvkm_mask(device, 0x61653c + hoff, 0x00010001, 0x00010000);
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if (vendor_size) {
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nvkm_wr32(device, 0x616544 + hoff, vendor_infoframe.header);
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nvkm_wr32(device, 0x616548 + hoff, vendor_infoframe.subpack0_low);
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nvkm_wr32(device, 0x61654c + hoff, vendor_infoframe.subpack0_high);
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/* Is there a second (or up to fourth?) set of subpack registers here? */
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/* nvkm_wr32(device, 0x616550 + hoff, vendor_infoframe->subpack1_low); */
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/* nvkm_wr32(device, 0x616554 + hoff, vendor_infoframe->subpack1_high); */
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nvkm_mask(device, 0x61653c + hoff, 0x00010001, 0x00010001);
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}
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nvkm_mask(device, 0x6165d0 + hoff, 0x00070001, 0x00010001); /* SPARE, HW_CTS */
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nvkm_mask(device, 0x616568 + hoff, 0x00010101, 0x00000000); /* ACR_CTRL, ?? */
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nvkm_mask(device, 0x616578 + hoff, 0x80000000, 0x80000000); /* ACR_0441_ENABLE */
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/* ??? */
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nvkm_mask(device, 0x61733c, 0x00100000, 0x00100000); /* RESETF */
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nvkm_mask(device, 0x61733c, 0x10000000, 0x10000000); /* LOOKUP_EN */
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nvkm_mask(device, 0x61733c, 0x00100000, 0x00000000); /* !RESETF */
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/* HDMI_CTRL */
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nvkm_mask(device, 0x6165a4 + hoff, 0x5f1f007f, ctrl);
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}
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