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

sortu102.c (3781B)


      1/*
      2 * Copyright 2018 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
     27tu102_sor_dp_vcpi(struct nvkm_ior *sor, int head,
     28		  u8 slot, u8 slot_nr, u16 pbn, u16 aligned)
     29{
     30	struct nvkm_device *device = sor->disp->engine.subdev.device;
     31	const u32 hoff = head * 0x800;
     32
     33	nvkm_mask(device, 0x61657c + hoff, 0xffffffff, (aligned << 16) | pbn);
     34	nvkm_mask(device, 0x616578 + hoff, 0x00003f3f, (slot_nr << 8) | slot);
     35}
     36
     37static int
     38tu102_sor_dp_links(struct nvkm_ior *sor, struct nvkm_i2c_aux *aux)
     39{
     40	struct nvkm_device *device = sor->disp->engine.subdev.device;
     41	const u32 soff = nv50_ior_base(sor);
     42	const u32 loff = nv50_sor_link(sor);
     43	u32 dpctrl = 0x00000000;
     44	u32 clksor = 0x00000000;
     45
     46	clksor |= sor->dp.bw << 18;
     47	dpctrl |= ((1 << sor->dp.nr) - 1) << 16;
     48	if (sor->dp.mst)
     49		dpctrl |= 0x40000000;
     50	if (sor->dp.ef)
     51		dpctrl |= 0x00004000;
     52
     53	nvkm_mask(device, 0x612300 + soff, 0x007c0000, clksor);
     54
     55	/*XXX*/
     56	nvkm_msec(device, 40, NVKM_DELAY);
     57	nvkm_mask(device, 0x612300 + soff, 0x00030000, 0x00010000);
     58	nvkm_mask(device, 0x61c10c + loff, 0x00000003, 0x00000001);
     59
     60	nvkm_mask(device, 0x61c10c + loff, 0x401f4000, dpctrl);
     61	return 0;
     62}
     63
     64static const struct nvkm_ior_func
     65tu102_sor_hda = {
     66	.route = {
     67		.get = gm200_sor_route_get,
     68		.set = gm200_sor_route_set,
     69	},
     70	.state = gv100_sor_state,
     71	.power = nv50_sor_power,
     72	.clock = gf119_sor_clock,
     73	.hdmi = {
     74		.ctrl = gv100_hdmi_ctrl,
     75		.scdc = gm200_hdmi_scdc,
     76	},
     77	.dp = {
     78		.lanes = { 0, 1, 2, 3 },
     79		.links = tu102_sor_dp_links,
     80		.power = g94_sor_dp_power,
     81		.pattern = gm107_sor_dp_pattern,
     82		.drive = gm200_sor_dp_drive,
     83		.vcpi = tu102_sor_dp_vcpi,
     84		.audio = gv100_sor_dp_audio,
     85		.audio_sym = gv100_sor_dp_audio_sym,
     86		.watermark = gv100_sor_dp_watermark,
     87	},
     88	.hda = {
     89		.hpd = gf119_hda_hpd,
     90		.eld = gf119_hda_eld,
     91		.device_entry = gv100_hda_device_entry,
     92	},
     93};
     94
     95static const struct nvkm_ior_func
     96tu102_sor = {
     97	.route = {
     98		.get = gm200_sor_route_get,
     99		.set = gm200_sor_route_set,
    100	},
    101	.state = gv100_sor_state,
    102	.power = nv50_sor_power,
    103	.clock = gf119_sor_clock,
    104	.hdmi = {
    105		.ctrl = gv100_hdmi_ctrl,
    106		.scdc = gm200_hdmi_scdc,
    107	},
    108	.dp = {
    109		.lanes = { 0, 1, 2, 3 },
    110		.links = tu102_sor_dp_links,
    111		.power = g94_sor_dp_power,
    112		.pattern = gm107_sor_dp_pattern,
    113		.drive = gm200_sor_dp_drive,
    114		.vcpi = tu102_sor_dp_vcpi,
    115		.audio = gv100_sor_dp_audio,
    116		.audio_sym = gv100_sor_dp_audio_sym,
    117		.watermark = gv100_sor_dp_watermark,
    118	},
    119};
    120
    121int
    122tu102_sor_new(struct nvkm_disp *disp, int id)
    123{
    124	struct nvkm_device *device = disp->engine.subdev.device;
    125	u32 hda = nvkm_rd32(device, 0x08a15c);
    126	if (hda & BIT(id))
    127		return nvkm_ior_new_(&tu102_sor_hda, disp, SOR, id);
    128	return nvkm_ior_new_(&tu102_sor, disp, SOR, id);
    129}