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

sorgp100.c (2755B)

      1/*
      2 * Copyright 2020 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
     24static const struct nvkm_ior_func
     25gp100_sor_hda = {
     26	.route = {
     27		.get = gm200_sor_route_get,
     28		.set = gm200_sor_route_set,
     29	},
     30	.state = gf119_sor_state,
     31	.power = nv50_sor_power,
     32	.clock = gf119_sor_clock,
     33	.hdmi = {
     34		.ctrl = gk104_hdmi_ctrl,
     35		.scdc = gm200_hdmi_scdc,
     36	},
     37	.dp = {
     38		.lanes = { 0, 1, 2, 3 },
     39		.links = gf119_sor_dp_links,
     40		.power = g94_sor_dp_power,
     41		.pattern = gm107_sor_dp_pattern,
     42		.drive = gm200_sor_dp_drive,
     43		.vcpi = gf119_sor_dp_vcpi,
     44		.audio = gf119_sor_dp_audio,
     45		.audio_sym = gf119_sor_dp_audio_sym,
     46		.watermark = gf119_sor_dp_watermark,
     47	},
     48	.hda = {
     49		.hpd = gf119_hda_hpd,
     50		.eld = gf119_hda_eld,
     51		.device_entry = gf119_hda_device_entry,
     52	},
     53};
     54
     55static const struct nvkm_ior_func
     56gp100_sor = {
     57	.route = {
     58		.get = gm200_sor_route_get,
     59		.set = gm200_sor_route_set,
     60	},
     61	.state = gf119_sor_state,
     62	.power = nv50_sor_power,
     63	.clock = gf119_sor_clock,
     64	.hdmi = {
     65		.ctrl = gk104_hdmi_ctrl,
     66		.scdc = gm200_hdmi_scdc,
     67	},
     68	.dp = {
     69		.lanes = { 0, 1, 2, 3 },
     70		.links = gf119_sor_dp_links,
     71		.power = g94_sor_dp_power,
     72		.pattern = gm107_sor_dp_pattern,
     73		.drive = gm200_sor_dp_drive,
     74		.vcpi = gf119_sor_dp_vcpi,
     75		.audio = gf119_sor_dp_audio,
     76		.audio_sym = gf119_sor_dp_audio_sym,
     77		.watermark = gf119_sor_dp_watermark,
     78	},
     79};
     80
     81int
     82gp100_sor_new(struct nvkm_disp *disp, int id)
     83{
     84	struct nvkm_device *device = disp->engine.subdev.device;
     85	u32 hda;
     86
     87	if (!((hda = nvkm_rd32(device, 0x08a15c)) & 0x40000000))
     88		hda = nvkm_rd32(device, 0x10ebb0) >> 8;
     89
     90	if (hda & BIT(id))
     91		return nvkm_ior_new_(&gp100_sor_hda, disp, SOR, id);
     92	return nvkm_ior_new_(&gp100_sor, disp, SOR, id);
     93}