/*
* 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 "nvc0.h"
#include "fuc/hubnve0.fuc.h"
#include "fuc/gpcnve0.fuc.h"
/*******************************************************************************
* Graphics object classes
******************************************************************************/
static struct nouveau_oclass
nve0_graph_sclass[] = {
{ 0x902d, &nouveau_object_ofuncs },
{ 0xa040, &nouveau_object_ofuncs },
{ 0xa097, &nouveau_object_ofuncs },
{ 0xa0c0, &nouveau_object_ofuncs },
{ 0xa0b5, &nouveau_object_ofuncs },
{}
};
/*******************************************************************************
* PGRAPH context
******************************************************************************/
static struct nouveau_oclass
nve0_graph_cclass = {
.handle = NV_ENGCTX(GR, 0xe0),
.ofuncs = &(struct nouveau_ofuncs) {
.ctor = nvc0_graph_context_ctor,
.dtor = nvc0_graph_context_dtor,
.init = _nouveau_graph_context_init,
.fini = _nouveau_graph_context_fini,
.rd32 = _nouveau_graph_context_rd32,
.wr32 = _nouveau_graph_context_wr32,
},
};
/*******************************************************************************
* PGRAPH engine/subdev functions
******************************************************************************/
static void
nve0_graph_ctxctl_isr(struct nvc0_graph_priv *priv)
{
u32 ustat = nv_rd32(priv, 0x409c18);
if (ustat & 0x00000001)
nv_error(priv, "CTXCTRL ucode error\n");
if (ustat & 0x00080000)
nv_error(priv, "CTXCTRL watchdog timeout\n");
if (ustat & ~0x00080001)
nv_error(priv, "CTXCTRL 0x%08x\n", ustat);
nvc0_graph_ctxctl_debug(priv);
nv_wr32(priv, 0x409c20, ustat);
}
static void
nve0_graph_trap_isr(struct nvc0_graph_priv *priv, int chid, u64 inst)
{
u32 trap = nv_rd32(priv, 0x400108);
int rop;
if (trap & 0x00000001) {
u32 stat = nv_rd32(priv, 0x404000);
nv_error(priv, "DISPATCH ch %d [0x%010llx] 0x%08x\n",
chid, inst, stat);
nv_wr32(priv, 0x404000, 0xc0000000);
nv_wr32(priv, 0x400108, 0x00000001);
trap &= ~0x00000001;
}
if (trap & 0x00000010) {
u32 stat = nv_rd32(priv, 0x405840);
nv_error(priv, "SHADER ch %d [0x%010llx] 0x%08x\n",
chid, inst, stat);
nv_wr32(priv, 0x405840, 0xc0000000);
nv_wr32(priv, 0x400108, 0x00000010);
trap &= ~0x00000010;
}
if (trap & 0x02000000) {
for (rop = 0; rop < priv->rop_nr; rop++) {
u32 statz = nv_rd32(priv, ROP_UNIT(rop, 0x070));
u32 statc = nv_rd32(priv, ROP_UNIT(rop, 0x144));
nv_error(priv, "ROP%d ch %d [0x%010llx] 0x%08x 0x%08x\n",
rop, chid, inst, statz, statc);
nv_wr32(priv, ROP_UNIT(rop, 0x070), 0xc0000000);
nv_wr32(priv, ROP_UNIT(rop, 0x144), 0xc0000000);
}
nv_wr32(priv, 0x400108, 0x02000000);
trap &= ~0x02000000;
}
if (trap) {
nv_error(priv, "TRAP ch %d [0x%010llx] 0x%08x\n",
chid, inst, trap);
nv_wr32(priv, 0x400108, trap);
}
}
static void
nve0_graph_intr(struct nouveau_subdev *subdev)
{
struct nouveau_fifo *pfifo = nouveau_fifo(subdev);
struct nouveau_engine *engine = nv_engine(subdev);
struct nouveau_object *engctx;
struct nouveau_handle *handle;
struct nvc0_graph_priv *priv = (void *)subdev;
u64 inst = nv_rd32(priv, 0x409b00) & 0x0fffffff;
u32 stat = nv_rd32(priv, 0x400100);
u32 addr = nv_rd32(priv, 0x400704);
u32 mthd = (addr & 0x00003ffc);
u32 subc = (addr & 0x00070000) >> 16;
u32 data = nv_rd32(priv, 0x400708);
u32 code = nv_rd32(priv, 0x400110);
u32 class = nv_rd32(priv, 0x404200 + (subc * 4));
int chid;
engctx = nouveau_engctx_get(engine, inst);
chid = pfifo->chid(pfifo, engctx);
if (stat & 0x00000010) {
handle = nouveau_handle_get_class(engctx, class);
if (!handle || nv_call(handle->object, mthd, data)) {
nv_error(priv, "ILLEGAL_MTHD ch %d [0x%010llx] "
"subc %d class 0x%04x mthd 0x%04x "
"data 0x%08x\n",
chid, inst, subc, class, mthd, data);
}
nouveau_handle_put(handle);
nv_wr32(priv, 0x400100, 0x00000010);
stat &= ~0x00000010;
}
if (stat & 0x00000020) {
nv_error(priv, "ILLEGAL_CLASS ch %d [0x%010llx] subc %d "
"class 0x%04x mthd 0x%04x data 0x%08x\n",
chid, inst, subc, class, mthd, data);
nv_wr32(priv, 0x400100, 0x00000020);
stat &= ~0x00000020;
}
if (stat & 0x00100000) {
nv_error(priv, "DATA_ERROR [");
nouveau_enum_print(nv50_data_error_names, code);
printk("] ch %d [0x%010llx] subc %d class 0x%04x "
"mthd 0x%04x data 0x%08x\n",
chid, inst, subc, class, mthd, data);
nv_wr32(priv, 0x400100, 0x00100000);
stat &= ~0x00100000;
}
if (stat & 0x00200000) {
nve0_graph_trap_isr(priv, chid, inst);
nv_wr32(priv, 0x400100, 0x00200000);
stat &= ~0x00200000;
}
if (stat & 0x00080000) {
nve0_graph_ctxctl_isr(priv);
nv_wr32(priv, 0x400100, 0x00080000);
stat &= ~0x00080000;
}
if (stat) {
nv_error(priv, "unknown stat 0x%08x\n", stat);
nv_wr32(priv, 0x400100, stat);
}
nv_wr32(priv, 0x400500, 0x00010001);
nouveau_engctx_put(engctx);
}
static int
nve0_graph_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
struct nouveau_oclass *oclass, void *data, u32 size,
struct nouveau_object **pobject)
{
struct nouveau_device *device = nv_device(parent);
struct nvc0_graph_priv *priv;
int ret, i;
ret = nouveau_graph_create(parent, engine, oclass, true, &priv);
*pobject = nv_object(priv);
if (ret)
return ret;
nv_subdev(priv)->unit = 0x18001000;
nv_subdev(priv)->intr = nve0_graph_intr;
nv_engine(priv)->cclass = &nve0_graph_cclass;
nv_engine(priv)->sclass = nve0_graph_sclass;
if (nouveau_boolopt(device->cfgopt, "NvGrUseFW", false)) {
nv_info(priv, "using external firmware\n");
if (nvc0_graph_ctor_fw(priv, "fuc409c", &priv->fuc409c) ||
nvc0_graph_ctor_fw(priv, "fuc409d", &priv->fuc409d) ||
nvc0_graph_ctor_fw(priv, "fuc41ac", &priv->fuc41ac) ||
nvc0_graph_ctor_fw(priv, "fuc41ad", &priv->fuc41ad))
return -EINVAL;
priv->firmware = true;
}
ret = nouveau_gpuobj_new(parent, NULL, 0x1000, 256, 0, &priv->unk4188b4);
if (ret)
return ret;
ret = nouveau_gpuobj_new(parent, NULL, 0x1000, 256, 0, &priv->unk4188b8);
if (ret)
return ret;
for (i = 0; i < 0x1000; i += 4) {
nv_wo32(priv->unk4188b4, i, 0x00000010);
nv_wo32(priv->unk4188b8, i, 0x00000010);
}
priv->gpc_nr = nv_rd32(priv, 0x409604) & 0x0000001f;
priv->rop_nr = (nv_rd32(priv, 0x409604) & 0x001f0000) >> 16;
for (i = 0; i < priv->gpc_nr; i++) {
priv->tpc_nr[i] = nv_rd32(priv, GPC_UNIT(i, 0x2608));
priv->tpc_total += priv->tpc_nr[i];
}
switch (nv_device(priv)->chipset) {
case 0xe4:
if (priv->tpc_total == 8)
priv->magic_not_rop_nr = 3;
else
if (priv->tpc_total == 7)
priv->magic_not_rop_nr = 1;
break;
case 0xe7:
case 0xe6:
priv->magic_not_rop_nr = 1;
break;
default:
break;
}
return 0;
}
static void
nve0_graph_init_obj418880(struct nvc0_graph_priv *priv)
{
int i;
nv_wr32(priv, GPC_BCAST(0x0880), 0x00000000);
nv_wr32(priv, GPC_BCAST(0x08a4), 0x00000000);
for (i = 0; i < 4; i++)
nv_wr32(priv, GPC_BCAST(0x0888) + (i * 4), 0x00000000);
nv_wr32(priv, GPC_BCAST(0x08b4), priv->unk4188b4->addr >> 8);
nv_wr32(priv, GPC_BCAST(0x08b8), priv->unk4188b8->addr >> 8);
}
static void
nve0_graph_init_regs(struct nvc0_graph_priv *priv)
{
nv_wr32(priv, 0x400080, 0x003083c2);
nv_wr32(priv, 0x400088, 0x0001ffe7);
nv_wr32(priv, 0x40008c, 0x00000000);
nv_wr32(priv, 0x400090, 0x00000030);
nv_wr32(priv, 0x40013c, 0x003901f7);
nv_wr32(priv, 0x400140, 0x00000100);
nv_wr32(priv, 0x400144, 0x00000000);
nv_wr32(priv, 0x400148, 0x00000110);
nv_wr32(priv, 0x400138, 0x00000000);
nv_wr32(priv, 0x400130, 0x00000000);
nv_wr32(priv, 0x400134, 0x00000000);
nv_wr32(priv, 0x400124, 0x00000002);
}
static void
nve0_graph_init_units(struct nvc0_graph_priv *priv)
{
nv_wr32(priv, 0x409ffc, 0x00000000);
nv_wr32(priv, 0x409c14, 0x00003e3e);
nv_wr32(priv, 0x409c24, 0x000f0000);
nv_wr32(priv, 0x404000, 0xc0000000);
nv_wr32(priv, 0x404600, 0xc0000000);
nv_wr32(priv, 0x408030, 0xc0000000);
nv_wr32(priv, 0x404490, 0xc0000000);
nv_wr32(priv, 0x406018, 0xc0000000);
nv_wr32(priv, 0x407020, 0xc0000000);
nv_wr32(priv, 0x405840, 0xc0000000);
nv_wr32(priv, 0x405844, 0x00ffffff);
nv_mask(priv, 0x419cc0, 0x00000008, 0x00000008);
nv_mask(priv, 0x419eb4, 0x00001000, 0x00001000);
}
static void
nve0_graph_init_gpc_0(struct nvc0_graph_priv *priv)
{
const u32 magicgpc918 = DIV_ROUND_UP(0x00800000, priv->tpc_total);
u32 data[TPC_MAX / 8];
u8 tpcnr[GPC_MAX];
int i, gpc, tpc;
nv_wr32(priv, GPC_UNIT(0, 0x3018), 0x00000001);
memset(data, 0x00, sizeof(data));
memcpy(tpcnr, priv->tpc_nr, sizeof(priv->tpc_nr));
for (i = 0, gpc = -1; i < priv->tpc_total; i++) {
do {
gpc = (gpc + 1) % priv->gpc_nr;
} while (!tpcnr[gpc]);
tpc = priv->tpc_nr[gpc] - tpcnr[gpc]--;
data[i / 8] |= tpc << ((i % 8) * 4);
}
nv_wr32(priv, GPC_BCAST(0x0980), data[0]);
nv_wr32(priv, GPC_BCAST(0x0984), data[1]);
nv_wr32(priv, GPC_BCAST(0x0988), data[2]);
nv_wr32(priv, GPC_BCAST(0x098c), data[3]);
for (gpc = 0; gpc < priv->gpc_nr; gpc++) {
nv_wr32(priv, GPC_UNIT(gpc, 0x0914), priv->magic_not_rop_nr << 8 |
priv->tpc_nr[gpc]);
nv_wr32(priv, GPC_UNIT(gpc, 0x0910), 0x00040000 | priv->tpc_total);
nv_wr32(priv, GPC_UNIT(gpc, 0x0918), magicgpc918);
}
nv_wr32(priv, GPC_BCAST(0x1bd4), magicgpc918);
nv_wr32(priv, GPC_BCAST(0x08ac), nv_rd32(priv, 0x100800));
}
static void
nve0_graph_init_gpc_1(struct nvc0_graph_priv *priv)
{
int gpc, tpc;
for (gpc = 0; gpc < priv->gpc_nr; gpc++) {
nv_wr32(priv, GPC_UNIT(gpc, 0x3038), 0xc0000000);
nv_wr32(priv, GPC_UNIT(gpc, 0x0420), 0xc0000000);
nv_wr32(priv, GPC_UNIT(gpc, 0x0900), 0xc0000000);
nv_wr32(priv, GPC_UNIT(gpc, 0x1028), 0xc0000000);
nv_wr32(priv, GPC_UNIT(gpc, 0x0824), 0xc0000000);
for (tpc = 0; tpc < priv->tpc_nr[gpc]; tpc++) {
nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x508), 0xffffffff);
nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x50c), 0xffffffff);
nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x224), 0xc0000000);
nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x48c), 0xc0000000);
nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x084), 0xc0000000);
nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x644), 0x001ffffe);
nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x64c), 0x0000000f);
}
nv_wr32(priv, GPC_UNIT(gpc, 0x2c90), 0xffffffff);
nv_wr32(priv, GPC_UNIT(gpc, 0x2c94), 0xffffffff);
}
}
static void
nve0_graph_init_rop(struct nvc0_graph_priv *priv)
{
int rop;
for (rop = 0; rop < priv->rop_nr; rop++) {
nv_wr32(priv, ROP_UNIT(rop, 0x144), 0xc0000000);
nv_wr32(priv, ROP_UNIT(rop, 0x070), 0xc0000000);
nv_wr32(priv, ROP_UNIT(rop, 0x204), 0xffffffff);
nv_wr32(priv, ROP_UNIT(rop, 0x208), 0xffffffff);
}
}
static int
nve0_graph_init_ctxctl(struct nvc0_graph_priv *priv)
{
u32 r000260;
int i;
if (priv->firmware) {
/* load fuc microcode */
r000260 = nv_mask(priv, 0x000260, 0x00000001, 0x00000000);
nvc0_graph_init_fw(priv, 0x409000, &priv->fuc409c, &priv->fuc409d);
nvc0_graph_init_fw(priv, 0x41a000, &priv->fuc41ac, &priv->fuc41ad);
nv_wr32(priv, 0x000260, r000260);
/* start both of them running */
nv_wr32(priv, 0x409840, 0xffffffff);
nv_wr32(priv, 0x41a10c, 0x00000000);
nv_wr32(priv, 0x40910c, 0x00000000);
nv_wr32(priv, 0x41a100, 0x00000002);
nv_wr32(priv, 0x409100, 0x00000002);
if (!nv_wait(priv, 0x409800, 0x00000001, 0x00000001))
nv_error(priv, "0x409800 wait failed\n");
nv_wr32(priv, 0x409840, 0xffffffff);
nv_wr32(priv, 0x409500, 0x7fffffff);
nv_wr32(priv, 0x409504, 0x00000021);
nv_wr32(priv, 0x409840, 0xffffffff);
nv_wr32(priv, 0x409500, 0x00000000);
nv_wr32(priv, 0x409504, 0x00000010);
if (!nv_wait_ne(priv, 0x409800, 0xffffffff, 0x00000000)) {
nv_error(priv, "fuc09 req 0x10 timeout\n");
return -EBUSY;
}
priv->size = nv_rd32(priv, 0x409800);
nv_wr32(priv, 0x409840, 0xffffffff);
nv_wr32(priv, 0x409500, 0x00000000);
nv_wr32(priv, 0x409504, 0x00000016);
if (!nv_wait_ne(priv, 0x409800, 0xffffffff, 0x00000000)) {
nv_error(priv, "fuc09 req 0x16 timeout\n");
return -EBUSY;
}
nv_wr32(priv, 0x409840, 0xffffffff);
nv_wr32(priv, 0x409500, 0x00000000);
nv_wr32(priv, 0x409504, 0x00000025);
if (!nv_wait_ne(priv, 0x409800, 0xffffffff, 0x00000000)) {
nv_error(priv, "fuc09 req 0x25 timeout\n");
return -EBUSY;
}
nv_wr32(priv, 0x409800, 0x00000000);
nv_wr32(priv, 0x409500, 0x00000001);
nv_wr32(priv, 0x409504, 0x00000030);
if (!nv_wait_ne(priv, 0x409800, 0xffffffff, 0x00000000)) {
nv_error(priv, "fuc09 req 0x30 timeout\n");
return -EBUSY;
}
nv_wr32(priv, 0x409810, 0xb00095c8);
nv_wr32(priv, 0x409800, 0x00000000);
nv_wr32(priv, 0x409500, 0x00000001);
nv_wr32(priv, 0x409504, 0x00000031);
if (!nv_wait_ne(priv, 0x409800, 0xffffffff, 0x00000000)) {
nv_error(priv, "fuc09 req 0x31 timeout\n");
return -EBUSY;
}
nv_wr32(priv, 0x409810, 0x00080420);
nv_wr32(priv, 0x409800, 0x00000000);
nv_wr32(priv, 0x409500, 0x00000001);
nv_wr32(priv, 0x409504, 0x00000032);
if (!nv_wait_ne(priv, 0x409800, 0xffffffff, 0x00000000)) {
nv_error(priv, "fuc09 req 0x32 timeout\n");
return -EBUSY;
}
nv_wr32(priv, 0x409614, 0x00000070);
nv_wr32(priv, 0x409614, 0x00000770);
nv_wr32(priv, 0x40802c, 0x00000001);
if (priv->data == NULL) {
int ret = nve0_grctx_generate(priv);
if (ret) {
nv_error(priv, "failed to construct context\n");
return ret;
}
}
return 0;
}
/* load HUB microcode */
r000260 = nv_mask(priv, 0x000260, 0x00000001, 0x00000000);
nv_wr32(priv, 0x4091c0, 0x01000000);
for (i = 0; i < sizeof(nve0_grhub_data) / 4; i++)
nv_wr32(priv, 0x4091c4, nve0_grhub_data[i]);
nv_wr32(priv, 0x409180, 0x01000000);
for (i = 0; i < sizeof(nve0_grhub_code) / 4; i++) {
if ((i & 0x3f) == 0)
nv_wr32(priv, 0x409188, i >> 6);
nv_wr32(priv, 0x409184, nve0_grhub_code[i]);
}
/* load GPC microcode */
nv_wr32(priv, 0x41a1c0, 0x01000000);
for (i = 0; i < sizeof(nve0_grgpc_data) / 4; i++)
nv_wr32(priv, 0x41a1c4, nve0_grgpc_data[i]);
nv_wr32(priv, 0x41a180, 0x01000000);
for (i = 0; i < sizeof(nve0_grgpc_code) / 4; i++) {
if ((i & 0x3f) == 0)
nv_wr32(priv, 0x41a188, i >> 6);
nv_wr32(priv, 0x41a184, nve0_grgpc_code[i]);
}
nv_wr32(priv, 0x000260, r000260);
/* start HUB ucode running, it'll init the GPCs */
nv_wr32(priv, 0x409800, nv_device(priv)->chipset);
nv_wr32(priv, 0x40910c, 0x00000000);
nv_wr32(priv, 0x409100, 0x00000002);
if (!nv_wait(priv, 0x409800, 0x80000000, 0x80000000)) {
nv_error(priv, "HUB_INIT timed out\n");
nvc0_graph_ctxctl_debug(priv);
return -EBUSY;
}
priv->size = nv_rd32(priv, 0x409804);
if (priv->data == NULL) {
int ret = nve0_grctx_generate(priv);
if (ret) {
nv_error(priv, "failed to construct context\n");
return ret;
}
}
return 0;
}
static int
nve0_graph_init(struct nouveau_object *object)
{
struct nvc0_graph_priv *priv = (void *)object;
int ret;
ret = nouveau_graph_init(&priv->base);
if (ret)
return ret;
nve0_graph_init_obj418880(priv);
nve0_graph_init_regs(priv);
nve0_graph_init_gpc_0(priv);
nv_wr32(priv, 0x400500, 0x00010001);
nv_wr32(priv, 0x400100, 0xffffffff);
nv_wr32(priv, 0x40013c, 0xffffffff);
nve0_graph_init_units(priv);
nve0_graph_init_gpc_1(priv);
nve0_graph_init_rop(priv);
nv_wr32(priv, 0x400108, 0xffffffff);
nv_wr32(priv, 0x400138, 0xffffffff);
nv_wr32(priv, 0x400118, 0xffffffff);
nv_wr32(priv, 0x400130, 0xffffffff);
nv_wr32(priv, 0x40011c, 0xffffffff);
nv_wr32(priv, 0x400134, 0xffffffff);
nv_wr32(priv, 0x400054, 0x34ce3464);
ret = nve0_graph_init_ctxctl(priv);
if (ret)
return ret;
return 0;
}
struct nouveau_oclass
nve0_graph_oclass = {
.handle = NV_ENGINE(GR, 0xe0),
.ofuncs = &(struct nouveau_ofuncs) {
.ctor = nve0_graph_ctor,
.dtor = nvc0_graph_dtor,
.init = nve0_graph_init,
.fini = _nouveau_graph_fini,
},
};
