LXR linux/drivers/gpu/drm/nouveau/core/engine/ppp/nv98.c

   1/*
   2 * Copyright 2012 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
  23 */
  24
  25#include <core/engine.h>
  26#include <core/engctx.h>
  27#include <core/class.h>
  28
  29#include <engine/ppp.h>
  30
  31struct nv98_ppp_priv {
  32        struct nouveau_engine base;
  33};
  34
  35struct nv98_ppp_chan {
  36        struct nouveau_engctx base;
  37};
  38
  39/*******************************************************************************
  40 * PPP object classes
  41 ******************************************************************************/
  42
  43static struct nouveau_oclass
  44nv98_ppp_sclass[] = {
  45        {},
  46};
  47
  48/*******************************************************************************
  49 * PPPP context
  50 ******************************************************************************/
  51
  52static struct nouveau_oclass
  53nv98_ppp_cclass = {
  54        .handle = NV_ENGCTX(PPP, 0x98),
  55        .ofuncs = &(struct nouveau_ofuncs) {
  56                .ctor = _nouveau_engctx_ctor,
  57                .dtor = _nouveau_engctx_dtor,
  58                .init = _nouveau_engctx_init,
  59                .fini = _nouveau_engctx_fini,
  60                .rd32 = _nouveau_engctx_rd32,
  61                .wr32 = _nouveau_engctx_wr32,
  62        },
  63};
  64
  65/*******************************************************************************
  66 * PPPP engine/subdev functions
  67 ******************************************************************************/
  68
  69static int
  70nv98_ppp_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
  71              struct nouveau_oclass *oclass, void *data, u32 size,
  72              struct nouveau_object **pobject)
  73{
  74        struct nv98_ppp_priv *priv;
  75        int ret;
  76
  77        ret = nouveau_engine_create(parent, engine, oclass, true,
  78                                    "PPPP", "ppp", &priv);
  79        *pobject = nv_object(priv);
  80        if (ret)
  81                return ret;
  82
  83        nv_subdev(priv)->unit = 0x00400002;
  84        nv_engine(priv)->cclass = &nv98_ppp_cclass;
  85        nv_engine(priv)->sclass = nv98_ppp_sclass;
  86        return 0;
  87}
  88
  89struct nouveau_oclass
  90nv98_ppp_oclass = {
  91        .handle = NV_ENGINE(PPP, 0x98),
  92        .ofuncs = &(struct nouveau_ofuncs) {
  93                .ctor = nv98_ppp_ctor,
  94                .dtor = _nouveau_engine_dtor,
  95                .init = _nouveau_engine_init,
  96                .fini = _nouveau_engine_fini,
  97        },
  98};
  99