- 根目录:
- drivers
- gpu
- drm
- nouveau
- core
- engine
- fifo
- nve0.c
/*
* 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/client.h>
#include <core/handle.h>
#include <core/namedb.h>
#include <core/gpuobj.h>
#include <core/engctx.h>
#include <core/event.h>
#include <core/class.h>
#include <core/enum.h>
#include <subdev/timer.h>
#include <subdev/bar.h>
#include <subdev/fb.h>
#include <subdev/vm.h>
#include <engine/dmaobj.h>
#include "nve0.h"
#define _(a,b) { (a), ((1ULL << (a)) | (b)) }
static const struct {
u64 subdev;
u64 mask;
} fifo_engine[] = {
_(NVDEV_ENGINE_GR , (1ULL << NVDEV_ENGINE_SW) |
(1ULL << NVDEV_ENGINE_COPY2)),
_(NVDEV_ENGINE_VP , 0),
_(NVDEV_ENGINE_PPP , 0),
_(NVDEV_ENGINE_BSP , 0),
_(NVDEV_ENGINE_COPY0 , 0),
_(NVDEV_ENGINE_COPY1 , 0),
_(NVDEV_ENGINE_VENC , 0),
};
#undef _
#define FIFO_ENGINE_NR ARRAY_SIZE(fifo_engine)
struct nve0_fifo_engn {
struct nouveau_gpuobj *runlist[2];
int cur_runlist;
};
struct nve0_fifo_priv {
struct nouveau_fifo base;
struct nve0_fifo_engn engine[FIFO_ENGINE_NR];
struct {
struct nouveau_gpuobj *mem;
struct nouveau_vma bar;
} user;
int spoon_nr;
};
struct nve0_fifo_base {
struct nouveau_fifo_base base;
struct nouveau_gpuobj *pgd;
struct nouveau_vm *vm;
};
struct nve0_fifo_chan {
struct nouveau_fifo_chan base;
u32 engine;
};
/*******************************************************************************
* FIFO channel objects
******************************************************************************/
static void
nve0_fifo_runlist_update(struct nve0_fifo_priv *priv, u32 engine)
{
struct nouveau_bar *bar = nouveau_bar(priv);
struct nve0_fifo_engn *engn = &priv->engine[engine];
struct nouveau_gpuobj *cur;
u32 match = (engine << 16) | 0x00000001;
int i, p;
mutex_lock(&nv_subdev(priv)->mutex);
cur = engn->runlist[engn->cur_runlist];
engn->cur_runlist = !engn->cur_runlist;
for (i = 0, p = 0; i < priv->base.max; i++) {
u32 ctrl = nv_rd32(priv, 0x800004 + (i * 8)) & 0x001f0001;
if (ctrl != match)
continue;
nv_wo32(cur, p + 0, i);
nv_wo32(cur, p + 4, 0x00000000);
p += 8;
}
bar->flush(bar);
nv_wr32(priv, 0x002270, cur->addr >> 12);
nv_wr32(priv, 0x002274, (engine << 20) | (p >> 3));
if (!nv_wait(priv, 0x002284 + (engine * 8), 0x00100000, 0x00000000))
nv_error(priv, "runlist %d update timeout\n", engine);
mutex_unlock(&nv_subdev(priv)->mutex);
}
static int
nve0_fifo_context_attach(struct nouveau_object *parent,
struct nouveau_object *object)
{
struct nouveau_bar *bar = nouveau_bar(parent);
struct nve0_fifo_base *base = (void *)parent->parent;
struct nouveau_engctx *ectx = (void *)object;
u32 addr;
int ret;
switch (nv_engidx(object->engine)) {
case NVDEV_ENGINE_SW :
case NVDEV_ENGINE_COPY0:
case NVDEV_ENGINE_COPY1:
case NVDEV_ENGINE_COPY2:
return 0;
case NVDEV_ENGINE_GR : addr = 0x0210; break;
case NVDEV_ENGINE_BSP : addr = 0x0270; break;
case NVDEV_ENGINE_VP : addr = 0x0250; break;
case NVDEV_ENGINE_PPP : addr = 0x0260; break;
default:
return -EINVAL;
}
if (!ectx->vma.node) {
ret = nouveau_gpuobj_map_vm(nv_gpuobj(ectx), base->vm,
NV_MEM_ACCESS_RW, &ectx->vma);
if (ret)
return ret;
nv_engctx(ectx)->addr = nv_gpuobj(base)->addr >> 12;
}
nv_wo32(base, addr + 0x00, lower_32_bits(ectx->vma.offset) | 4);
nv_wo32(base, addr + 0x04, upper_32_bits(ectx->vma.offset));
bar->flush(bar);
return 0;
}
static int
nve0_fifo_context_detach(struct nouveau_object *parent, bool suspend,
struct nouveau_object *object)
{
struct nouveau_bar *bar = nouveau_bar(parent);
struct nve0_fifo_priv *priv = (void *)parent->engine;
struct nve0_fifo_base *base = (void *)parent->parent;
struct nve0_fifo_chan *chan = (void *)parent;
u32 addr;
switch (nv_engidx(object->engine)) {
case NVDEV_ENGINE_SW : return 0;
case NVDEV_ENGINE_COPY0:
case NVDEV_ENGINE_COPY1:
case NVDEV_ENGINE_COPY2: addr = 0x0000; break;
case NVDEV_ENGINE_GR : addr = 0x0210; break;
case NVDEV_ENGINE_BSP : addr = 0x0270; break;
case NVDEV_ENGINE_VP : addr = 0x0250; break;
case NVDEV_ENGINE_PPP : addr = 0x0260; break;
default:
return -EINVAL;
}
nv_wr32(priv, 0x002634, chan->base.chid);
if (!nv_wait(priv, 0x002634, 0xffffffff, chan->base.chid)) {
nv_error(priv, "channel %d [%s] kick timeout\n",
chan->base.chid, nouveau_client_name(chan));
if (suspend)
return -EBUSY;
}
if (addr) {
nv_wo32(base, addr + 0x00, 0x00000000);
nv_wo32(base, addr + 0x04, 0x00000000);
bar->flush(bar);
}
return 0;
}
static int
nve0_fifo_chan_ctor(struct nouveau_object *parent,
struct nouveau_object *engine,
struct nouveau_oclass *oclass, void *data, u32 size,
struct nouveau_object **pobject)
{
struct nouveau_bar *bar = nouveau_bar(parent);
struct nve0_fifo_priv *priv = (void *)engine;
struct nve0_fifo_base *base = (void *)parent;
struct nve0_fifo_chan *chan;
struct nve0_channel_ind_class *args = data;
u64 usermem, ioffset, ilength;
int ret, i;
if (size < sizeof(*args))
return -EINVAL;
for (i = 0; i < FIFO_ENGINE_NR; i++) {
if (args->engine & (1 << i)) {
if (nouveau_engine(parent, fifo_engine[i].subdev)) {
args->engine = (1 << i);
break;
}
}
}
if (i == FIFO_ENGINE_NR) {
nv_error(priv, "unsupported engines 0x%08x\n", args->engine);
return -ENODEV;
}
ret = nouveau_fifo_channel_create(parent, engine, oclass, 1,
priv->user.bar.offset, 0x200,
args->pushbuf,
fifo_engine[i].mask, &chan);
*pobject = nv_object(chan);
if (ret)
return ret;
nv_parent(chan)->context_attach = nve0_fifo_context_attach;
nv_parent(chan)->context_detach = nve0_fifo_context_detach;
chan->engine = i;
usermem = chan->base.chid * 0x200;
ioffset = args->ioffset;
ilength = order_base_2(args->ilength / 8);
for (i = 0; i < 0x200; i += 4)
nv_wo32(priv->user.mem, usermem + i, 0x00000000);
nv_wo32(base, 0x08, lower_32_bits(priv->user.mem->addr + usermem));
nv_wo32(base, 0x0c, upper_32_bits(priv->user.mem->addr + usermem));
nv_wo32(base, 0x10, 0x0000face);
nv_wo32(base, 0x30, 0xfffff902);
nv_wo32(base, 0x48, lower_32_bits(ioffset));
nv_wo32(base, 0x4c, upper_32_bits(ioffset) | (ilength << 16));
nv_wo32(base, 0x84, 0x20400000);
nv_wo32(base, 0x94, 0x30000001);
nv_wo32(base, 0x9c, 0x00000100);
nv_wo32(base, 0xac, 0x0000001f);
nv_wo32(base, 0xe8, chan->base.chid);
nv_wo32(base, 0xb8, 0xf8000000);
nv_wo32(base, 0xf8, 0x10003080); /* 0x002310 */
nv_wo32(base, 0xfc, 0x10000010); /* 0x002350 */
bar->flush(bar);
return 0;
}
static int
nve0_fifo_chan_init(struct nouveau_object *object)
{
struct nouveau_gpuobj *base = nv_gpuobj(object->parent);
struct nve0_fifo_priv *priv = (void *)object->engine;
struct nve0_fifo_chan *chan = (void *)object;
u32 chid = chan->base.chid;
int ret;
ret = nouveau_fifo_channel_init(&chan->base);
if (ret)
return ret;
nv_mask(priv, 0x800004 + (chid * 8), 0x000f0000, chan->engine << 16);
nv_wr32(priv, 0x800000 + (chid * 8), 0x80000000 | base->addr >> 12);
nv_mask(priv, 0x800004 + (chid * 8), 0x00000400, 0x00000400);
nve0_fifo_runlist_update(priv, chan->engine);
nv_mask(priv, 0x800004 + (chid * 8), 0x00000400, 0x00000400);
return 0;
}
static int
nve0_fifo_chan_fini(struct nouveau_object *object, bool suspend)
{
struct nve0_fifo_priv *priv = (void *)object->engine;
struct nve0_fifo_chan *chan = (void *)object;
u32 chid = chan->base.chid;
nv_mask(priv, 0x800004 + (chid * 8), 0x00000800, 0x00000800);
nve0_fifo_runlist_update(priv, chan->engine);
nv_wr32(priv, 0x800000 + (chid * 8), 0x00000000);
return nouveau_fifo_channel_fini(&chan->base, suspend);
}
static struct nouveau_ofuncs
nve0_fifo_ofuncs = {
.ctor = nve0_fifo_chan_ctor,
.dtor = _nouveau_fifo_channel_dtor,
.init = nve0_fifo_chan_init,
.fini = nve0_fifo_chan_fini,
.rd32 = _nouveau_fifo_channel_rd32,
.wr32 = _nouveau_fifo_channel_wr32,
};
static struct nouveau_oclass
nve0_fifo_sclass[] = {
{ NVE0_CHANNEL_IND_CLASS, &nve0_fifo_ofuncs },
{}
};
/*******************************************************************************
* FIFO context - instmem heap and vm setup
******************************************************************************/
static int
nve0_fifo_context_ctor(struct nouveau_object *parent,
struct nouveau_object *engine,
struct nouveau_oclass *oclass, void *data, u32 size,
struct nouveau_object **pobject)
{
struct nve0_fifo_base *base;
int ret;
ret = nouveau_fifo_context_create(parent, engine, oclass, NULL, 0x1000,
0x1000, NVOBJ_FLAG_ZERO_ALLOC, &base);
*pobject = nv_object(base);
if (ret)
return ret;
ret = nouveau_gpuobj_new(nv_object(base), NULL, 0x10000, 0x1000, 0,
&base->pgd);
if (ret)
return ret;
nv_wo32(base, 0x0200, lower_32_bits(base->pgd->addr));
nv_wo32(base, 0x0204, upper_32_bits(base->pgd->addr));
nv_wo32(base, 0x0208, 0xffffffff);
nv_wo32(base, 0x020c, 0x000000ff);
ret = nouveau_vm_ref(nouveau_client(parent)->vm, &base->vm, base->pgd);
if (ret)
return ret;
return 0;
}
static void
nve0_fifo_context_dtor(struct nouveau_object *object)
{
struct nve0_fifo_base *base = (void *)object;
nouveau_vm_ref(NULL, &base->vm, base->pgd);
nouveau_gpuobj_ref(NULL, &base->pgd);
nouveau_fifo_context_destroy(&base->base);
}
static struct nouveau_oclass
nve0_fifo_cclass = {
.handle = NV_ENGCTX(FIFO, 0xe0),
.ofuncs = &(struct nouveau_ofuncs) {
.ctor = nve0_fifo_context_ctor,
.dtor = nve0_fifo_context_dtor,
.init = _nouveau_fifo_context_init,
.fini = _nouveau_fifo_context_fini,
.rd32 = _nouveau_fifo_context_rd32,
.wr32 = _nouveau_fifo_context_wr32,
},
};
/*******************************************************************************
* PFIFO engine
******************************************************************************/
static const struct nouveau_enum nve0_fifo_sched_reason[] = {
{ 0x0a, "CTXSW_TIMEOUT" },
{}
};
static const struct nouveau_enum nve0_fifo_fault_engine[] = {
{ 0x00, "GR", NULL, NVDEV_ENGINE_GR },
{ 0x03, "IFB" },
{ 0x04, "BAR1", NULL, NVDEV_SUBDEV_BAR },
{ 0x05, "BAR3", NULL, NVDEV_SUBDEV_INSTMEM },
{ 0x07, "PBDMA0", NULL, NVDEV_ENGINE_FIFO },
{ 0x08, "PBDMA1", NULL, NVDEV_ENGINE_FIFO },
{ 0x09, "PBDMA2", NULL, NVDEV_ENGINE_FIFO },
{ 0x10, "MSVLD", NULL, NVDEV_ENGINE_BSP },
{ 0x11, "MSPPP", NULL, NVDEV_ENGINE_PPP },
{ 0x13, "PERF" },
{ 0x14, "MSPDEC", NULL, NVDEV_ENGINE_VP },
{ 0x15, "CE0", NULL, NVDEV_ENGINE_COPY0 },
{ 0x16, "CE1", NULL, NVDEV_ENGINE_COPY1 },
{ 0x17, "PMU" },
{ 0x19, "MSENC", NULL, NVDEV_ENGINE_VENC },
{ 0x1b, "CE2", NULL, NVDEV_ENGINE_COPY2 },
{}
};
static const struct nouveau_enum nve0_fifo_fault_reason[] = {
{ 0x00, "PDE" },
{ 0x01, "PDE_SIZE" },
{ 0x02, "PTE" },
{ 0x03, "VA_LIMIT_VIOLATION" },
{ 0x04, "UNBOUND_INST_BLOCK" },
{ 0x05, "PRIV_VIOLATION" },
{ 0x06, "RO_VIOLATION" },
{ 0x07, "WO_VIOLATION" },
{ 0x08, "PITCH_MASK_VIOLATION" },
{ 0x09, "WORK_CREATION" },
{ 0x0a, "UNSUPPORTED_APERTURE" },
{ 0x0b, "COMPRESSION_FAILURE" },
{ 0x0c, "UNSUPPORTED_KIND" },
{ 0x0d, "REGION_VIOLATION" },
{ 0x0e, "BOTH_PTES_VALID" },
{ 0x0f, "INFO_TYPE_POISONED" },
{}
};
static const struct nouveau_enum nve0_fifo_fault_hubclient[] = {
{ 0x00, "VIP" },
{ 0x01, "CE0" },
{ 0x02, "CE1" },
{ 0x03, "DNISO" },
{ 0x04, "FE" },
{ 0x05, "FECS" },
{ 0x06, "HOST" },
{ 0x07, "HOST_CPU" },
{ 0x08, "HOST_CPU_NB" },
{ 0x09, "ISO" },
{ 0x0a, "MMU" },
{ 0x0b, "MSPDEC" },
{ 0x0c, "MSPPP" },
{ 0x0d, "MSVLD" },
{ 0x0e, "NISO" },
{ 0x0f, "P2P" },
{ 0x10, "PD" },
{ 0x11, "PERF" },
{ 0x12, "PMU" },
{ 0x13, "RASTERTWOD" },
{ 0x14, "SCC" },
{ 0x15, "SCC_NB" },
{ 0x16, "SEC" },
{ 0x17, "SSYNC" },
{ 0x18, "GR_COPY" },
{ 0x19, "CE2" },
{ 0x1a, "XV" },
{ 0x1b, "MMU_NB" },
{ 0x1c, "MSENC" },
{ 0x1d, "DFALCON" },
{ 0x1e, "SKED" },
{ 0x1f, "AFALCON" },
{}
};
static const struct nouveau_enum nve0_fifo_fault_gpcclient[] = {
{ 0x00, "L1_0" }, { 0x01, "T1_0" }, { 0x02, "PE_0" },
{ 0x03, "L1_1" }, { 0x04, "T1_1" }, { 0x05, "PE_1" },
{ 0x06, "L1_2" }, { 0x07, "T1_2" }, { 0x08, "PE_2" },
{ 0x09, "L1_3" }, { 0x0a, "T1_3" }, { 0x0b, "PE_3" },
{ 0x0c, "RAST" },
{ 0x0d, "GCC" },
{ 0x0e, "GPCCS" },
{ 0x0f, "PROP_0" },
{ 0x10, "PROP_1" },
{ 0x11, "PROP_2" },
{ 0x12, "PROP_3" },
{ 0x13, "L1_4" }, { 0x14, "T1_4" }, { 0x15, "PE_4" },
{ 0x16, "L1_5" }, { 0x17, "T1_5" }, { 0x18, "PE_5" },
{ 0x19, "L1_6" }, { 0x1a, "T1_6" }, { 0x1b, "PE_6" },
{ 0x1c, "L1_7" }, { 0x1d, "T1_7" }, { 0x1e, "PE_7" },
{ 0x1f, "GPM" },
{ 0x20, "LTP_UTLB_0" },
{ 0x21, "LTP_UTLB_1" },
{ 0x22, "LTP_UTLB_2" },
{ 0x23, "LTP_UTLB_3" },
{ 0x24, "GPC_RGG_UTLB" },
{}
};
static const struct nouveau_bitfield nve0_fifo_pbdma_intr[] = {
{ 0x00000001, "MEMREQ" },
{ 0x00000002, "MEMACK_TIMEOUT" },
{ 0x00000004, "MEMACK_EXTRA" },
{ 0x00000008, "MEMDAT_TIMEOUT" },
{ 0x00000010, "MEMDAT_EXTRA" },
{ 0x00000020, "MEMFLUSH" },
{ 0x00000040, "MEMOP" },
{ 0x00000080, "LBCONNECT" },
{ 0x00000100, "LBREQ" },
{ 0x00000200, "LBACK_TIMEOUT" },
{ 0x00000400, "LBACK_EXTRA" },
{ 0x00000800, "LBDAT_TIMEOUT" },
{ 0x00001000, "LBDAT_EXTRA" },
{ 0x00002000, "GPFIFO" },
{ 0x00004000, "GPPTR" },
{ 0x00008000, "GPENTRY" },
{ 0x00010000, "GPCRC" },
{ 0x00020000, "PBPTR" },
{ 0x00040000, "PBENTRY" },
{ 0x00080000, "PBCRC" },
{ 0x00100000, "XBARCONNECT" },
{ 0x00200000, "METHOD" },
{ 0x00400000, "METHODCRC" },
{ 0x00800000, "DEVICE" },
{ 0x02000000, "SEMAPHORE" },
{ 0x04000000, "ACQUIRE" },
{ 0x08000000, "PRI" },
{ 0x20000000, "NO_CTXSW_SEG" },
{ 0x40000000, "PBSEG" },
{ 0x80000000, "SIGNATURE" },
{}
};
static void
nve0_fifo_intr_sched(struct nve0_fifo_priv *priv)
{
u32 intr = nv_rd32(priv, 0x00254c);
u32 code = intr & 0x000000ff;
nv_error(priv, "SCHED_ERROR [");
nouveau_enum_print(nve0_fifo_sched_reason, code);
pr_cont("]\n");
}
static void
nve0_fifo_intr_chsw(struct nve0_fifo_priv *priv)
{
u32 stat = nv_rd32(priv, 0x00256c);
nv_error(priv, "CHSW_ERROR 0x%08x\n", stat);
nv_wr32(priv, 0x00256c, stat);
}
static void
nve0_fifo_intr_dropped_fault(struct nve0_fifo_priv *priv)
{
u32 stat = nv_rd32(priv, 0x00259c);
nv_error(priv, "DROPPED_MMU_FAULT 0x%08x\n", stat);
}
static void
nve0_fifo_intr_fault(struct nve0_fifo_priv *priv, int unit)
{
u32 inst = nv_rd32(priv, 0x2800 + (unit * 0x10));
u32 valo = nv_rd32(priv, 0x2804 + (unit * 0x10));
u32 vahi = nv_rd32(priv, 0x2808 + (unit * 0x10));
u32 stat = nv_rd32(priv, 0x280c + (unit * 0x10));
u32 client = (stat & 0x00001f00) >> 8;
struct nouveau_engine *engine = NULL;
struct nouveau_object *engctx = NULL;
const struct nouveau_enum *en;
const char *name = "unknown";
nv_error(priv, "PFIFO: %s fault at 0x%010llx [", (stat & 0x00000080) ?
"write" : "read", (u64)vahi << 32 | valo);
nouveau_enum_print(nve0_fifo_fault_reason, stat & 0x0000000f);
pr_cont("] from ");
en = nouveau_enum_print(nve0_fifo_fault_engine, unit);
if (stat & 0x00000040) {
pr_cont("/");
nouveau_enum_print(nve0_fifo_fault_hubclient, client);
} else {
pr_cont("/GPC%d/", (stat & 0x1f000000) >> 24);
nouveau_enum_print(nve0_fifo_fault_gpcclient, client);
}
if (en && en->data2) {
if (en->data2 == NVDEV_SUBDEV_BAR) {
nv_mask(priv, 0x001704, 0x00000000, 0x00000000);
name = "BAR1";
} else
if (en->data2 == NVDEV_SUBDEV_INSTMEM) {
nv_mask(priv, 0x001714, 0x00000000, 0x00000000);
name = "BAR3";
} else {
engine = nouveau_engine(priv, en->data2);
if (engine) {
engctx = nouveau_engctx_get(engine, inst);
name = nouveau_client_name(engctx);
}
}
}
pr_cont(" on channel 0x%010llx [%s]\n", (u64)inst << 12, name);
nouveau_engctx_put(engctx);
}
static int
nve0_fifo_swmthd(struct nve0_fifo_priv *priv, u32 chid, u32 mthd, u32 data)
{
struct nve0_fifo_chan *chan = NULL;
struct nouveau_handle *bind;
unsigned long flags;
int ret = -EINVAL;
spin_lock_irqsave(&priv->base.lock, flags);
if (likely(chid >= priv->base.min && chid <= priv->base.max))
chan = (void *)priv->base.channel[chid];
if (unlikely(!chan))
goto out;
bind = nouveau_namedb_get_class(nv_namedb(chan), 0x906e);
if (likely(bind)) {
if (!mthd || !nv_call(bind->object, mthd, data))
ret = 0;
nouveau_namedb_put(bind);
}
out:
spin_unlock_irqrestore(&priv->base.lock, flags);
return ret;
}
static void
nve0_fifo_intr_pbdma(struct nve0_fifo_priv *priv, int unit)
{
u32 stat = nv_rd32(priv, 0x040108 + (unit * 0x2000));
u32 addr = nv_rd32(priv, 0x0400c0 + (unit * 0x2000));
u32 data = nv_rd32(priv, 0x0400c4 + (unit * 0x2000));
u32 chid = nv_rd32(priv, 0x040120 + (unit * 0x2000)) & 0xfff;
u32 subc = (addr & 0x00070000) >> 16;
u32 mthd = (addr & 0x00003ffc);
u32 show = stat;
if (stat & 0x00800000) {
if (!nve0_fifo_swmthd(priv, chid, mthd, data))
show &= ~0x00800000;
}
if (show) {
nv_error(priv, "PBDMA%d:", unit);
nouveau_bitfield_print(nve0_fifo_pbdma_intr, show);
pr_cont("\n");
nv_error(priv,
"PBDMA%d: ch %d [%s] subc %d mthd 0x%04x data 0x%08x\n",
unit, chid,
nouveau_client_name_for_fifo_chid(&priv->base, chid),
subc, mthd, data);
}
nv_wr32(priv, 0x0400c0 + (unit * 0x2000), 0x80600008);
nv_wr32(priv, 0x040108 + (unit * 0x2000), stat);
}
static void
nve0_fifo_intr(struct nouveau_subdev *subdev)
{
struct nve0_fifo_priv *priv = (void *)subdev;
u32 mask = nv_rd32(priv, 0x002140);
u32 stat = nv_rd32(priv, 0x002100) & mask;
if (stat & 0x00000001) {
u32 stat = nv_rd32(priv, 0x00252c);
nv_error(priv, "BIND_ERROR 0x%08x\n", stat);
nv_wr32(priv, 0x002100, 0x00000001);
stat &= ~0x00000001;
}
if (stat & 0x00000010) {
nv_error(priv, "PIO_ERROR\n");
nv_wr32(priv, 0x002100, 0x00000010);
stat &= ~0x00000010;
}
if (stat & 0x00000100) {
nve0_fifo_intr_sched(priv);
nv_wr32(priv, 0x002100, 0x00000100);
stat &= ~0x00000100;
}
if (stat & 0x00010000) {
nve0_fifo_intr_chsw(priv);
nv_wr32(priv, 0x002100, 0x00010000);
stat &= ~0x00010000;
}
if (stat & 0x00800000) {
nv_error(priv, "FB_FLUSH_TIMEOUT\n");
nv_wr32(priv, 0x002100, 0x00800000);
stat &= ~0x00800000;
}
if (stat & 0x01000000) {
nv_error(priv, "LB_ERROR\n");
nv_wr32(priv, 0x002100, 0x01000000);
stat &= ~0x01000000;
}
if (stat & 0x08000000) {
nve0_fifo_intr_dropped_fault(priv);
nv_wr32(priv, 0x002100, 0x08000000);
stat &= ~0x08000000;
}
if (stat & 0x10000000) {
u32 units = nv_rd32(priv, 0x00259c);
u32 u = units;
while (u) {
int i = ffs(u) - 1;
nve0_fifo_intr_fault(priv, i);
u &= ~(1 << i);
}
nv_wr32(priv, 0x00259c, units);
stat &= ~0x10000000;
}
if (stat & 0x20000000) {
u32 mask = nv_rd32(priv, 0x0025a0);
u32 temp = mask;
while (temp) {
u32 unit = ffs(temp) - 1;
nve0_fifo_intr_pbdma(priv, unit);
temp &= ~(1 << unit);
}
nv_wr32(priv, 0x0025a0, mask);
stat &= ~0x20000000;
}
if (stat & 0x40000000) {
u32 mask = nv_mask(priv, 0x002a00, 0x00000000, 0x00000000);
while (mask) {
u32 engn = ffs(mask) - 1;
/* runlist event, not currently used */
mask &= ~(1 << engn);
}
stat &= ~0x40000000;
}
if (stat & 0x80000000) {
nouveau_event_trigger(priv->base.uevent, 0);
nv_wr32(priv, 0x002100, 0x80000000);
stat &= ~0x80000000;
}
if (stat) {
nv_fatal(priv, "unhandled status 0x%08x\n", stat);
nv_wr32(priv, 0x002100, stat);
nv_wr32(priv, 0x002140, 0);
}
}
static void
nve0_fifo_uevent_enable(struct nouveau_event *event, int index)
{
struct nve0_fifo_priv *priv = event->priv;
nv_mask(priv, 0x002140, 0x80000000, 0x80000000);
}
static void
nve0_fifo_uevent_disable(struct nouveau_event *event, int index)
{
struct nve0_fifo_priv *priv = event->priv;
nv_mask(priv, 0x002140, 0x80000000, 0x00000000);
}
int
nve0_fifo_fini(struct nouveau_object *object, bool suspend)
{
struct nve0_fifo_priv *priv = (void *)object;
int ret;
ret = nouveau_fifo_fini(&priv->base, suspend);
if (ret)
return ret;
/* allow mmu fault interrupts, even when we're not using fifo */
nv_mask(priv, 0x002140, 0x10000000, 0x10000000);
return 0;
}
int
nve0_fifo_init(struct nouveau_object *object)
{
struct nve0_fifo_priv *priv = (void *)object;
int ret, i;
ret = nouveau_fifo_init(&priv->base);
if (ret)
return ret;
/* enable all available PBDMA units */
nv_wr32(priv, 0x000204, 0xffffffff);
priv->spoon_nr = hweight32(nv_rd32(priv, 0x000204));
nv_debug(priv, "%d PBDMA unit(s)\n", priv->spoon_nr);
/* PBDMA[n] */
for (i = 0; i < priv->spoon_nr; i++) {
nv_mask(priv, 0x04013c + (i * 0x2000), 0x10000100, 0x00000000);
nv_wr32(priv, 0x040108 + (i * 0x2000), 0xffffffff); /* INTR */
nv_wr32(priv, 0x04010c + (i * 0x2000), 0xfffffeff); /* INTREN */
}
nv_wr32(priv, 0x002254, 0x10000000 | priv->user.bar.offset >> 12);
nv_wr32(priv, 0x002a00, 0xffffffff);
nv_wr32(priv, 0x002100, 0xffffffff);
nv_wr32(priv, 0x002140, 0x3fffffff);
return 0;
}
void
nve0_fifo_dtor(struct nouveau_object *object)
{
struct nve0_fifo_priv *priv = (void *)object;
int i;
nouveau_gpuobj_unmap(&priv->user.bar);
nouveau_gpuobj_ref(NULL, &priv->user.mem);
for (i = 0; i < FIFO_ENGINE_NR; i++) {
nouveau_gpuobj_ref(NULL, &priv->engine[i].runlist[1]);
nouveau_gpuobj_ref(NULL, &priv->engine[i].runlist[0]);
}
nouveau_fifo_destroy(&priv->base);
}
int
nve0_fifo_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
struct nouveau_oclass *oclass, void *data, u32 size,
struct nouveau_object **pobject)
{
struct nve0_fifo_impl *impl = (void *)oclass;
struct nve0_fifo_priv *priv;
int ret, i;
ret = nouveau_fifo_create(parent, engine, oclass, 0,
impl->channels - 1, &priv);
*pobject = nv_object(priv);
if (ret)
return ret;
for (i = 0; i < FIFO_ENGINE_NR; i++) {
ret = nouveau_gpuobj_new(nv_object(priv), NULL, 0x8000, 0x1000,
0, &priv->engine[i].runlist[0]);
if (ret)
return ret;
ret = nouveau_gpuobj_new(nv_object(priv), NULL, 0x8000, 0x1000,
0, &priv->engine[i].runlist[1]);
if (ret)
return ret;
}
ret = nouveau_gpuobj_new(nv_object(priv), NULL, 4096 * 0x200, 0x1000,
NVOBJ_FLAG_ZERO_ALLOC, &priv->user.mem);
if (ret)
return ret;
ret = nouveau_gpuobj_map(priv->user.mem, NV_MEM_ACCESS_RW,
&priv->user.bar);
if (ret)
return ret;
priv->base.uevent->enable = nve0_fifo_uevent_enable;
priv->base.uevent->disable = nve0_fifo_uevent_disable;
priv->base.uevent->priv = priv;
nv_subdev(priv)->unit = 0x00000100;
nv_subdev(priv)->intr = nve0_fifo_intr;
nv_engine(priv)->cclass = &nve0_fifo_cclass;
nv_engine(priv)->sclass = nve0_fifo_sclass;
return 0;
}
struct nouveau_oclass *
nve0_fifo_oclass = &(struct nve0_fifo_impl) {
.base.handle = NV_ENGINE(FIFO, 0xe0),
.base.ofuncs = &(struct nouveau_ofuncs) {
.ctor = nve0_fifo_ctor,
.dtor = nve0_fifo_dtor,
.init = nve0_fifo_init,
.fini = nve0_fifo_fini,
},
.channels = 4096,
}.base;