linux/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/gk110.c
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   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}
  47