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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/enum.h>
#include <core/class.h>
#include <core/engctx.h>
#include <engine/copy.h>
#include "fuc/nvc0.fuc.h"
struct nvc0_copy_priv {
struct nouveau_copy base;
};
struct nvc0_copy_chan {
struct nouveau_copy_chan base;
};
/*******************************************************************************
* Copy object classes
******************************************************************************/
static struct nouveau_oclass
nvc0_copy0_sclass[] = {
{ 0x90b5, &nouveau_object_ofuncs },
{},
};
static struct nouveau_oclass
nvc0_copy1_sclass[] = {
{ 0x90b8, &nouveau_object_ofuncs },
{},
};
/*******************************************************************************
* PCOPY context
******************************************************************************/
static int
nvc0_copy_context_ctor(struct nouveau_object *parent,
struct nouveau_object *engine,
struct nouveau_oclass *oclass, void *data, u32 size,
struct nouveau_object **pobject)
{
struct nvc0_copy_chan *priv;
int ret;
ret = nouveau_copy_context_create(parent, engine, oclass, NULL, 256,
256, NVOBJ_FLAG_ZERO_ALLOC, &priv);
*pobject = nv_object(priv);
if (ret)
return ret;
return 0;
}
static struct nouveau_ofuncs
nvc0_copy_context_ofuncs = {
.ctor = nvc0_copy_context_ctor,
.dtor = _nouveau_copy_context_dtor,
.init = _nouveau_copy_context_init,
.fini = _nouveau_copy_context_fini,
.rd32 = _nouveau_copy_context_rd32,
.wr32 = _nouveau_copy_context_wr32,
};
static struct nouveau_oclass
nvc0_copy0_cclass = {
.handle = NV_ENGCTX(COPY0, 0xc0),
.ofuncs = &nvc0_copy_context_ofuncs,
};
static struct nouveau_oclass
nvc0_copy1_cclass = {
.handle = NV_ENGCTX(COPY1, 0xc0),
.ofuncs = &nvc0_copy_context_ofuncs,
};
/*******************************************************************************
* PCOPY engine/subdev functions
******************************************************************************/
static struct nouveau_enum nvc0_copy_isr_error_name[] = {
{ 0x0001, "ILLEGAL_MTHD" },
{ 0x0002, "INVALID_ENUM" },
{ 0x0003, "INVALID_BITFIELD" },
{}
};
static void
nvc0_copy_intr(struct nouveau_subdev *subdev)
{
int idx = nv_engidx(nv_object(subdev)) - NVDEV_ENGINE_COPY0;
struct nvc0_copy_priv *priv = (void *)subdev;
u32 disp = nv_rd32(priv, 0x10401c + (idx * 0x1000));
u32 intr = nv_rd32(priv, 0x104008 + (idx * 0x1000));
u32 stat = intr & disp & ~(disp >> 16);
u64 inst = nv_rd32(priv, 0x104050 + (idx * 0x1000)) & 0x0fffffff;
u32 ssta = nv_rd32(priv, 0x104040 + (idx * 0x1000)) & 0x0000ffff;
u32 addr = nv_rd32(priv, 0x104040 + (idx * 0x1000)) >> 16;
u32 mthd = (addr & 0x07ff) << 2;
u32 subc = (addr & 0x3800) >> 11;
u32 data = nv_rd32(priv, 0x104044 + (idx * 0x1000));
if (stat & 0x00000040) {
nv_error(priv, "DISPATCH_ERROR [");
nouveau_enum_print(nvc0_copy_isr_error_name, ssta);
printk("] ch 0x%010llx subc %d mthd 0x%04x data 0x%08x\n",
(u64)inst << 12, subc, mthd, data);
nv_wr32(priv, 0x104004 + (idx * 0x1000), 0x00000040);
stat &= ~0x00000040;
}
if (stat) {
nv_error(priv, "unhandled intr 0x%08x\n", stat);
nv_wr32(priv, 0x104004 + (idx * 0x1000), stat);
}
}
static int
nvc0_copy0_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
struct nouveau_oclass *oclass, void *data, u32 size,
struct nouveau_object **pobject)
{
struct nvc0_copy_priv *priv;
int ret;
if (nv_rd32(parent, 0x022500) & 0x00000100)
return -ENODEV;
ret = nouveau_copy_create(parent, engine, oclass, true, 0, &priv);
*pobject = nv_object(priv);
if (ret)
return ret;
nv_subdev(priv)->unit = 0x00000040;
nv_subdev(priv)->intr = nvc0_copy_intr;
nv_engine(priv)->cclass = &nvc0_copy0_cclass;
nv_engine(priv)->sclass = nvc0_copy0_sclass;
return 0;
}
static int
nvc0_copy1_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
struct nouveau_oclass *oclass, void *data, u32 size,
struct nouveau_object **pobject)
{
struct nvc0_copy_priv *priv;
int ret;
if (nv_rd32(parent, 0x022500) & 0x00000200)
return -ENODEV;
ret = nouveau_copy_create(parent, engine, oclass, true, 1, &priv);
*pobject = nv_object(priv);
if (ret)
return ret;
nv_subdev(priv)->unit = 0x00000080;
nv_subdev(priv)->intr = nvc0_copy_intr;
nv_engine(priv)->cclass = &nvc0_copy1_cclass;
nv_engine(priv)->sclass = nvc0_copy1_sclass;
return 0;
}
static int
nvc0_copy_init(struct nouveau_object *object)
{
int idx = nv_engidx(object) - NVDEV_ENGINE_COPY0;
struct nvc0_copy_priv *priv = (void *)object;
int ret, i;
ret = nouveau_copy_init(&priv->base);
if (ret)
return ret;
/* disable all interrupts */
nv_wr32(priv, 0x104014 + (idx * 0x1000), 0xffffffff);
/* upload ucode */
nv_wr32(priv, 0x1041c0 + (idx * 0x1000), 0x01000000);
for (i = 0; i < sizeof(nvc0_pcopy_data) / 4; i++)
nv_wr32(priv, 0x1041c4 + (idx * 0x1000), nvc0_pcopy_data[i]);
nv_wr32(priv, 0x104180 + (idx * 0x1000), 0x01000000);
for (i = 0; i < sizeof(nvc0_pcopy_code) / 4; i++) {
if ((i & 0x3f) == 0)
nv_wr32(priv, 0x104188 + (idx * 0x1000), i >> 6);
nv_wr32(priv, 0x104184 + (idx * 0x1000), nvc0_pcopy_code[i]);
}
/* start it running */
nv_wr32(priv, 0x104084 + (idx * 0x1000), idx);
nv_wr32(priv, 0x10410c + (idx * 0x1000), 0x00000000);
nv_wr32(priv, 0x104104 + (idx * 0x1000), 0x00000000); /* ENTRY */
nv_wr32(priv, 0x104100 + (idx * 0x1000), 0x00000002); /* TRIGGER */
return 0;
}
static int
nvc0_copy_fini(struct nouveau_object *object, bool suspend)
{
int idx = nv_engidx(object) - NVDEV_ENGINE_COPY0;
struct nvc0_copy_priv *priv = (void *)object;
nv_mask(priv, 0x104048 + (idx * 0x1000), 0x00000003, 0x00000000);
nv_wr32(priv, 0x104014 + (idx * 0x1000), 0xffffffff);
return nouveau_copy_fini(&priv->base, suspend);
}
struct nouveau_oclass
nvc0_copy0_oclass = {
.handle = NV_ENGINE(COPY0, 0xc0),
.ofuncs = &(struct nouveau_ofuncs) {
.ctor = nvc0_copy0_ctor,
.dtor = _nouveau_copy_dtor,
.init = nvc0_copy_init,
.fini = nvc0_copy_fini,
},
};
struct nouveau_oclass
nvc0_copy1_oclass = {
.handle = NV_ENGINE(COPY1, 0xc0),
.ofuncs = &(struct nouveau_ofuncs) {
.ctor = nvc0_copy1_ctor,
.dtor = _nouveau_copy_dtor,
.init = nvc0_copy_init,
.fini = nvc0_copy_fini,
},
};
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