cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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gk110.c (1725B)


      1/*
      2 * Copyright 2021 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 "priv.h"
     23#include "pad.h"
     24
     25static void
     26gk110_aux_autodpcd(struct nvkm_i2c *i2c, int aux, bool enable)
     27{
     28	nvkm_mask(i2c->subdev.device, 0x00e4f8 + (aux * 0x50), 0x00010000, enable << 16);
     29}
     30
     31static const struct nvkm_i2c_func
     32gk110_i2c = {
     33	.pad_x_new = gf119_i2c_pad_x_new,
     34	.pad_s_new = gf119_i2c_pad_s_new,
     35	.aux = 4,
     36	.aux_stat = gk104_aux_stat,
     37	.aux_mask = gk104_aux_mask,
     38	.aux_autodpcd = gk110_aux_autodpcd,
     39};
     40
     41int
     42gk110_i2c_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
     43	      struct nvkm_i2c **pi2c)
     44{
     45	return nvkm_i2c_new_(&gk110_i2c, device, type, inst, pi2c);
     46}