nv84.c

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/*
 * Copyright 2012 Red Hat Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * Authors: Ben Skeggs
 */

#include <core/os.h>
#include <core/class.h>
#include <core/engctx.h>

#include <engine/bsp.h>

struct nv84_bsp_priv {
    struct nouveau_bsp base;
};

struct nv84_bsp_chan {
    struct nouveau_bsp_chan base;
};

/*******************************************************************************
 * BSP object classes
 ******************************************************************************/

static struct nouveau_oclass
nv84_bsp_sclass[] = {
    {},
};

/*******************************************************************************
 * BSP context
 ******************************************************************************/

static int
nv84_bsp_context_ctor(struct nouveau_object *parent,
              struct nouveau_object *engine,
              struct nouveau_oclass *oclass, void *data, u32 size,
              struct nouveau_object **pobject)
{
    struct nv84_bsp_chan *priv;
    int ret;

    ret = nouveau_bsp_context_create(parent, engine, oclass, NULL,
                     0, 0, 0, &priv);
    *pobject = nv_object(priv);
    if (ret)
        return ret;

    return 0;
}

static void
nv84_bsp_context_dtor(struct nouveau_object *object)
{
    struct nv84_bsp_chan *priv = (void *)object;
    nouveau_bsp_context_destroy(&priv->base);
}

static int
nv84_bsp_context_init(struct nouveau_object *object)
{
    struct nv84_bsp_chan *priv = (void *)object;
    int ret;

    ret = nouveau_bsp_context_init(&priv->base);
    if (ret)
        return ret;

    return 0;
}

static int
nv84_bsp_context_fini(struct nouveau_object *object, bool suspend)
{
    struct nv84_bsp_chan *priv = (void *)object;
    return nouveau_bsp_context_fini(&priv->base, suspend);
}

static struct nouveau_oclass
nv84_bsp_cclass = {
    .handle = NV_ENGCTX(BSP, 0x84),
    .ofuncs = &(struct nouveau_ofuncs) {
        .ctor = nv84_bsp_context_ctor,
        .dtor = nv84_bsp_context_dtor,
        .init = nv84_bsp_context_init,
        .fini = nv84_bsp_context_fini,
        .rd32 = _nouveau_bsp_context_rd32,
        .wr32 = _nouveau_bsp_context_wr32,
    },
};

/*******************************************************************************
 * BSP engine/subdev functions
 ******************************************************************************/

static void
nv84_bsp_intr(struct nouveau_subdev *subdev)
{
}

static int
nv84_bsp_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
          struct nouveau_oclass *oclass, void *data, u32 size,
          struct nouveau_object **pobject)
{
    struct nv84_bsp_priv *priv;
    int ret;

    ret = nouveau_bsp_create(parent, engine, oclass, &priv);
    *pobject = nv_object(priv);
    if (ret)
        return ret;

    nv_subdev(priv)->unit = 0x04008000;
    nv_subdev(priv)->intr = nv84_bsp_intr;
    nv_engine(priv)->cclass = &nv84_bsp_cclass;
    nv_engine(priv)->sclass = nv84_bsp_sclass;
    return 0;
}

static void
nv84_bsp_dtor(struct nouveau_object *object)
{
    struct nv84_bsp_priv *priv = (void *)object;
    nouveau_bsp_destroy(&priv->base);
}

static int
nv84_bsp_init(struct nouveau_object *object)
{
    struct nv84_bsp_priv *priv = (void *)object;
    int ret;

    ret = nouveau_bsp_init(&priv->base);
    if (ret)
        return ret;

    return 0;
}

static int
nv84_bsp_fini(struct nouveau_object *object, bool suspend)
{
    struct nv84_bsp_priv *priv = (void *)object;
    return nouveau_bsp_fini(&priv->base, suspend);
}

struct nouveau_oclass
nv84_bsp_oclass = {
    .handle = NV_ENGINE(BSP, 0x84),
    .ofuncs = &(struct nouveau_ofuncs) {
        .ctor = nv84_bsp_ctor,
        .dtor = nv84_bsp_dtor,
        .init = nv84_bsp_init,
        .fini = nv84_bsp_fini,
    },
};