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

sorgm107.c (2430B)

      1/*
      2 * Copyright 2016 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 * Authors: Ben Skeggs <bskeggs@redhat.com>
     23 */
     24#include "ior.h"
     25
     26void
     27gm107_sor_dp_pattern(struct nvkm_ior *sor, int pattern)
     28{
     29	struct nvkm_device *device = sor->disp->engine.subdev.device;
     30	const u32 soff = nv50_ior_base(sor);
     31	u32 mask = 0x1f1f1f1f, data;
     32
     33	switch (pattern) {
     34	case 0: data = 0x10101010; break;
     35	case 1: data = 0x01010101; break;
     36	case 2: data = 0x02020202; break;
     37	case 3: data = 0x03030303; break;
     38	case 4: data = 0x1b1b1b1b; break;
     39	default:
     40		WARN_ON(1);
     41		return;
     42	}
     43
     44	if (sor->asy.link & 1)
     45		nvkm_mask(device, 0x61c110 + soff, mask, data);
     46	else
     47		nvkm_mask(device, 0x61c12c + soff, mask, data);
     48}
     49
     50static const struct nvkm_ior_func
     51gm107_sor = {
     52	.state = gf119_sor_state,
     53	.power = nv50_sor_power,
     54	.clock = gf119_sor_clock,
     55	.hdmi = {
     56		.ctrl = gk104_hdmi_ctrl,
     57	},
     58	.dp = {
     59		.lanes = { 0, 1, 2, 3 },
     60		.links = gf119_sor_dp_links,
     61		.power = g94_sor_dp_power,
     62		.pattern = gm107_sor_dp_pattern,
     63		.drive = gf119_sor_dp_drive,
     64		.vcpi = gf119_sor_dp_vcpi,
     65		.audio = gf119_sor_dp_audio,
     66		.audio_sym = gf119_sor_dp_audio_sym,
     67		.watermark = gf119_sor_dp_watermark,
     68	},
     69	.hda = {
     70		.hpd = gf119_hda_hpd,
     71		.eld = gf119_hda_eld,
     72		.device_entry = gf119_hda_device_entry,
     73	},
     74};
     75
     76int
     77gm107_sor_new(struct nvkm_disp *disp, int id)
     78{
     79	return nvkm_ior_new_(&gm107_sor, disp, SOR, id);
     80}