cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

sorgt215.c (2207B)

      1/*
      2 * Copyright 2017 Red Hat Inc.
      3 *
      4 * Permission is hereby granted, free of charge, to any person obtaining a
      5 * copy of this software and associated documentation files (the "Software"),
      6 * to deal in the Software without restriction, including without limitation
      7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      8 * and/or sell copies of the Software, and to permit persons to whom the
      9 * Software is furnished to do so, subject to the following conditions:
     10 *
     11 * The above copyright notice and this permission notice shall be included in
     12 * all copies or substantial portions of the Software.
     13 *
     14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
     18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     20 * OTHER DEALINGS IN THE SOFTWARE.
     21 */
     22#include "ior.h"
     23
     24#include <subdev/timer.h>
     25
     26void
     27gt215_sor_dp_audio(struct nvkm_ior *sor, int head, bool enable)
     28{
     29	struct nvkm_device *device = sor->disp->engine.subdev.device;
     30	const u32 soff = nv50_ior_base(sor);
     31	const u32 data = 0x80000000 | (0x00000001 * enable);
     32	const u32 mask = 0x8000000d;
     33	nvkm_mask(device, 0x61c1e0 + soff, mask, data);
     34	nvkm_msec(device, 2000,
     35		if (!(nvkm_rd32(device, 0x61c1e0 + soff) & 0x80000000))
     36			break;
     37	);
     38}
     39
     40static const struct nvkm_ior_func
     41gt215_sor = {
     42	.state = g94_sor_state,
     43	.power = nv50_sor_power,
     44	.clock = nv50_sor_clock,
     45	.hdmi = {
     46		.ctrl = gt215_hdmi_ctrl,
     47	},
     48	.dp = {
     49		.lanes = { 2, 1, 0, 3 },
     50		.links = g94_sor_dp_links,
     51		.power = g94_sor_dp_power,
     52		.pattern = g94_sor_dp_pattern,
     53		.drive = g94_sor_dp_drive,
     54		.audio = gt215_sor_dp_audio,
     55		.audio_sym = g94_sor_dp_audio_sym,
     56		.activesym = g94_sor_dp_activesym,
     57		.watermark = g94_sor_dp_watermark,
     58	},
     59	.hda = {
     60		.hpd = gt215_hda_hpd,
     61		.eld = gt215_hda_eld,
     62	},
     63};
     64
     65int
     66gt215_sor_new(struct nvkm_disp *disp, int id)
     67{
     68	return nvkm_ior_new_(&gt215_sor, disp, SOR, id);
     69}