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, Maarten Lankhorst, Ilia Mirkin
  23 */
  24
  25#include <engine/falcon.h>
  26#include <engine/ppp.h>
  27
  28struct nv98_ppp_priv {
  29        struct nouveau_falcon base;
  30};
  31
  32/*******************************************************************************
  33 * PPP object classes
  34 ******************************************************************************/
  35
  36static struct nouveau_oclass
  37nv98_ppp_sclass[] = {
  38        { 0x88b3, &nouveau_object_ofuncs },
  39        { 0x85b3, &nouveau_object_ofuncs },
  40        {},
  41};
  42
  43/*******************************************************************************
  44 * PPPP context
  45 ******************************************************************************/
  46
  47static struct nouveau_oclass
  48nv98_ppp_cclass = {
  49        .handle = NV_ENGCTX(PPP, 0x98),
  50        .ofuncs = &(struct nouveau_ofuncs) {
  51                .ctor = _nouveau_falcon_context_ctor,
  52                .dtor = _nouveau_falcon_context_dtor,
  53                .init = _nouveau_falcon_context_init,
  54                .fini = _nouveau_falcon_context_fini,
  55                .rd32 = _nouveau_falcon_context_rd32,
  56                .wr32 = _nouveau_falcon_context_wr32,
  57        },
  58};
  59
  60/*******************************************************************************
  61 * PPPP engine/subdev functions
  62 ******************************************************************************/
  63
  64static int
  65nv98_ppp_init(struct nouveau_object *object)
  66{
  67        struct nv98_ppp_priv *priv = (void *)object;
  68        int ret;
  69
  70        ret = nouveau_falcon_init(&priv->base);
  71        if (ret)
  72                return ret;
  73
  74        nv_wr32(priv, 0x086010, 0x0000ffd2);
  75        nv_wr32(priv, 0x08601c, 0x0000fff2);
  76        return 0;
  77}
  78
  79static int
  80nv98_ppp_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
  81              struct nouveau_oclass *oclass, void *data, u32 size,
  82              struct nouveau_object **pobject)
  83{
  84        struct nv98_ppp_priv *priv;
  85        int ret;
  86
  87        ret = nouveau_falcon_create(parent, engine, oclass, 0x086000, true,
  88                                    "PPPP", "ppp", &priv);
  89        *pobject = nv_object(priv);
  90        if (ret)
  91                return ret;
  92
  93        nv_subdev(priv)->unit = 0x00400002;
  94        nv_engine(priv)->cclass = &nv98_ppp_cclass;
  95        nv_engine(priv)->sclass = nv98_ppp_sclass;
  96        return 0;
  97}
  98
  99struct nouveau_oclass
 100nv98_ppp_oclass = {
 101        .handle = NV_ENGINE(PPP, 0x98),
 102        .ofuncs = &(struct nouveau_ofuncs) {
 103                .ctor = nv98_ppp_ctor,
 104                .dtor = _nouveau_falcon_dtor,
 105                .init = nv98_ppp_init,
 106                .fini = _nouveau_falcon_fini,
 107                .rd32 = _nouveau_falcon_rd32,
 108                .wr32 = _nouveau_falcon_wr32,
 109        },
 110};
 111