/*
* Copyright 2010 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 <linux/firmware.h>
#include <linux/module.h>
#include "drmP.h"
#include "nouveau_drv.h"
#include "nouveau_mm.h"
#include "nvc0_graph.h"
#include "nvc0_grhub.fuc.h"
#include "nvc0_grgpc.fuc.h"
static void
nvc0_graph_ctxctl_debug_unit(struct drm_device *dev, u32 base)
{
NV_INFO(dev, "PGRAPH: %06x - done 0x%08x\n", base,
nv_rd32(dev, base + 0x400));
NV_INFO(dev, "PGRAPH: %06x - stat 0x%08x 0x%08x 0x%08x 0x%08x\n", base,
nv_rd32(dev, base + 0x800), nv_rd32(dev, base + 0x804),
nv_rd32(dev, base + 0x808), nv_rd32(dev, base + 0x80c));
NV_INFO(dev, "PGRAPH: %06x - stat 0x%08x 0x%08x 0x%08x 0x%08x\n", base,
nv_rd32(dev, base + 0x810), nv_rd32(dev, base + 0x814),
nv_rd32(dev, base + 0x818), nv_rd32(dev, base + 0x81c));
}
static void
nvc0_graph_ctxctl_debug(struct drm_device *dev)
{
u32 gpcnr = nv_rd32(dev, 0x409604) & 0xffff;
u32 gpc;
nvc0_graph_ctxctl_debug_unit(dev, 0x409000);
for (gpc = 0; gpc < gpcnr; gpc++)
nvc0_graph_ctxctl_debug_unit(dev, 0x502000 + (gpc * 0x8000));
}
static int
nvc0_graph_load_context(struct nouveau_channel *chan)
{
struct drm_device *dev = chan->dev;
nv_wr32(dev, 0x409840, 0x00000030);
nv_wr32(dev, 0x409500, 0x80000000 | chan->ramin->vinst >> 12);
nv_wr32(dev, 0x409504, 0x00000003);
if (!nv_wait(dev, 0x409800, 0x00000010, 0x00000010))
NV_ERROR(dev, "PGRAPH: load_ctx timeout\n");
return 0;
}
static int
nvc0_graph_unload_context_to(struct drm_device *dev, u64 chan)
{
nv_wr32(dev, 0x409840, 0x00000003);
nv_wr32(dev, 0x409500, 0x80000000 | chan >> 12);
nv_wr32(dev, 0x409504, 0x00000009);
if (!nv_wait(dev, 0x409800, 0x00000001, 0x00000000)) {
NV_ERROR(dev, "PGRAPH: unload_ctx timeout\n");
return -EBUSY;
}
return 0;
}
static int
nvc0_graph_construct_context(struct nouveau_channel *chan)
{
struct drm_nouveau_private *dev_priv = chan->dev->dev_private;
struct nvc0_graph_priv *priv = nv_engine(chan->dev, NVOBJ_ENGINE_GR);
struct nvc0_graph_chan *grch = chan->engctx[NVOBJ_ENGINE_GR];
struct drm_device *dev = chan->dev;
int ret, i;
u32 *ctx;
ctx = kmalloc(priv->grctx_size, GFP_KERNEL);
if (!ctx)
return -ENOMEM;
if (!nouveau_ctxfw) {
nv_wr32(dev, 0x409840, 0x80000000);
nv_wr32(dev, 0x409500, 0x80000000 | chan->ramin->vinst >> 12);
nv_wr32(dev, 0x409504, 0x00000001);
if (!nv_wait(dev, 0x409800, 0x80000000, 0x80000000)) {
NV_ERROR(dev, "PGRAPH: HUB_SET_CHAN timeout\n");
nvc0_graph_ctxctl_debug(dev);
ret = -EBUSY;
goto err;
}
} else {
nvc0_graph_load_context(chan);
nv_wo32(grch->grctx, 0x1c, 1);
nv_wo32(grch->grctx, 0x20, 0);
nv_wo32(grch->grctx, 0x28, 0);
nv_wo32(grch->grctx, 0x2c, 0);
dev_priv->engine.instmem.flush(dev);
}
ret = nvc0_grctx_generate(chan);
if (ret)
goto err;
if (!nouveau_ctxfw) {
nv_wr32(dev, 0x409840, 0x80000000);
nv_wr32(dev, 0x409500, 0x80000000 | chan->ramin->vinst >> 12);
nv_wr32(dev, 0x409504, 0x00000002);
if (!nv_wait(dev, 0x409800, 0x80000000, 0x80000000)) {
NV_ERROR(dev, "PGRAPH: HUB_CTX_SAVE timeout\n");
nvc0_graph_ctxctl_debug(dev);
ret = -EBUSY;
goto err;
}
} else {
ret = nvc0_graph_unload_context_to(dev, chan->ramin->vinst);
if (ret)
goto err;
}
for (i = 0; i < priv->grctx_size; i += 4)
ctx[i / 4] = nv_ro32(grch->grctx, i);
priv->grctx_vals = ctx;
return 0;
err:
kfree(ctx);
return ret;
}
static int
nvc0_graph_create_context_mmio_list(struct nouveau_channel *chan)
{
struct nvc0_graph_priv *priv = nv_engine(chan->dev, NVOBJ_ENGINE_GR);
struct nvc0_graph_chan *grch = chan->engctx[NVOBJ_ENGINE_GR];
struct drm_device *dev = chan->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
int i = 0, gpc, tp, ret;
ret = nouveau_gpuobj_new(dev, chan, 0x2000, 256, NVOBJ_FLAG_VM,
&grch->unk408004);
if (ret)
return ret;
ret = nouveau_gpuobj_new(dev, chan, 0x8000, 256, NVOBJ_FLAG_VM,
&grch->unk40800c);
if (ret)
return ret;
ret = nouveau_gpuobj_new(dev, chan, 384 * 1024, 4096,
NVOBJ_FLAG_VM | NVOBJ_FLAG_VM_USER,
&grch->unk418810);
if (ret)
return ret;
ret = nouveau_gpuobj_new(dev, chan, 0x1000, 0, NVOBJ_FLAG_VM,
&grch->mmio);
if (ret)
return ret;
nv_wo32(grch->mmio, i++ * 4, 0x00408004);
nv_wo32(grch->mmio, i++ * 4, grch->unk408004->linst >> 8);
nv_wo32(grch->mmio, i++ * 4, 0x00408008);
nv_wo32(grch->mmio, i++ * 4, 0x80000018);
nv_wo32(grch->mmio, i++ * 4, 0x0040800c);
nv_wo32(grch->mmio, i++ * 4, grch->unk40800c->linst >> 8);
nv_wo32(grch->mmio, i++ * 4, 0x00408010);
nv_wo32(grch->mmio, i++ * 4, 0x80000000);
nv_wo32(grch->mmio, i++ * 4, 0x00418810);
nv_wo32(grch->mmio, i++ * 4, 0x80000000 | grch->unk418810->linst >> 12);
nv_wo32(grch->mmio, i++ * 4, 0x00419848);
nv_wo32(grch->mmio, i++ * 4, 0x10000000 | grch->unk418810->linst >> 12);
nv_wo32(grch->mmio, i++ * 4, 0x00419004);
nv_wo32(grch->mmio, i++ * 4, grch->unk40800c->linst >> 8);
nv_wo32(grch->mmio, i++ * 4, 0x00419008);
nv_wo32(grch->mmio, i++ * 4, 0x00000000);
nv_wo32(grch->mmio, i++ * 4, 0x00418808);
nv_wo32(grch->mmio, i++ * 4, grch->unk408004->linst >> 8);
nv_wo32(grch->mmio, i++ * 4, 0x0041880c);
nv_wo32(grch->mmio, i++ * 4, 0x80000018);
if (dev_priv->chipset != 0xc1) {
u32 magic = 0x02180000;
nv_wo32(grch->mmio, i++ * 4, 0x00405830);
nv_wo32(grch->mmio, i++ * 4, magic);
for (gpc = 0; gpc < priv->gpc_nr; gpc++) {
for (tp = 0; tp < priv->tp_nr[gpc]; tp++) {
u32 reg = TP_UNIT(gpc, tp, 0x520);
nv_wo32(grch->mmio, i++ * 4, reg);
nv_wo32(grch->mmio, i++ * 4, magic);
magic += 0x0324;
}
}
} else {
u32 magic = 0x02180000;
nv_wo32(grch->mmio, i++ * 4, 0x00405830);
nv_wo32(grch->mmio, i++ * 4, magic | 0x0000218);
nv_wo32(grch->mmio, i++ * 4, 0x004064c4);
nv_wo32(grch->mmio, i++ * 4, 0x0086ffff);
for (gpc = 0; gpc < priv->gpc_nr; gpc++) {
for (tp = 0; tp < priv->tp_nr[gpc]; tp++) {
u32 reg = TP_UNIT(gpc, tp, 0x520);
nv_wo32(grch->mmio, i++ * 4, reg);
nv_wo32(grch->mmio, i++ * 4, (1 << 28) | magic);
magic += 0x0324;
}
for (tp = 0; tp < priv->tp_nr[gpc]; tp++) {
u32 reg = TP_UNIT(gpc, tp, 0x544);
nv_wo32(grch->mmio, i++ * 4, reg);
nv_wo32(grch->mmio, i++ * 4, magic);
magic += 0x0324;
}
}
}
grch->mmio_nr = i / 2;
return 0;
}
static int
nvc0_graph_context_new(struct nouveau_channel *chan, int engine)
{
struct drm_device *dev = chan->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_instmem_engine *pinstmem = &dev_priv->engine.instmem;
struct nvc0_graph_priv *priv = nv_engine(dev, engine);
struct nvc0_graph_chan *grch;
struct nouveau_gpuobj *grctx;
int ret, i;
grch = kzalloc(sizeof(*grch), GFP_KERNEL);
if (!grch)
return -ENOMEM;
chan->engctx[NVOBJ_ENGINE_GR] = grch;
ret = nouveau_gpuobj_new(dev, chan, priv->grctx_size, 256,
NVOBJ_FLAG_VM | NVOBJ_FLAG_ZERO_ALLOC,
&grch->grctx);
if (ret)
goto error;
grctx = grch->grctx;
ret = nvc0_graph_create_context_mmio_list(chan);
if (ret)
goto error;
nv_wo32(chan->ramin, 0x0210, lower_32_bits(grctx->linst) | 4);
nv_wo32(chan->ramin, 0x0214, upper_32_bits(grctx->linst));
pinstmem->flush(dev);
if (!priv->grctx_vals) {
ret = nvc0_graph_construct_context(chan);
if (ret)
goto error;
}
for (i = 0; i < priv->grctx_size; i += 4)
nv_wo32(grctx, i, priv->grctx_vals[i / 4]);
if (!nouveau_ctxfw) {
nv_wo32(grctx, 0x00, grch->mmio_nr);
nv_wo32(grctx, 0x04, grch->mmio->linst >> 8);
} else {
nv_wo32(grctx, 0xf4, 0);
nv_wo32(grctx, 0xf8, 0);
nv_wo32(grctx, 0x10, grch->mmio_nr);
nv_wo32(grctx, 0x14, lower_32_bits(grch->mmio->linst));
nv_wo32(grctx, 0x18, upper_32_bits(grch->mmio->linst));
nv_wo32(grctx, 0x1c, 1);
nv_wo32(grctx, 0x20, 0);
nv_wo32(grctx, 0x28, 0);
nv_wo32(grctx, 0x2c, 0);
}
pinstmem->flush(dev);
return 0;
error:
priv->base.context_del(chan, engine);
return ret;
}
static void
nvc0_graph_context_del(struct nouveau_channel *chan, int engine)
{
struct nvc0_graph_chan *grch = chan->engctx[engine];
nouveau_gpuobj_ref(NULL, &grch->mmio);
nouveau_gpuobj_ref(NULL, &grch->unk418810);
nouveau_gpuobj_ref(NULL, &grch->unk40800c);
nouveau_gpuobj_ref(NULL, &grch->unk408004);
nouveau_gpuobj_ref(NULL, &grch->grctx);
chan->engctx[engine] = NULL;
}
static int
nvc0_graph_object_new(struct nouveau_channel *chan, int engine,
u32 handle, u16 class)
{
return 0;
}
static int
nvc0_graph_fini(struct drm_device *dev, int engine, bool suspend)
{
return 0;
}
static int
nvc0_graph_mthd_page_flip(struct nouveau_channel *chan,
u32 class, u32 mthd, u32 data)
{
nouveau_finish_page_flip(chan, NULL);
return 0;
}
static void
nvc0_graph_init_obj418880(struct drm_device *dev)
{
struct nvc0_graph_priv *priv = nv_engine(dev, NVOBJ_ENGINE_GR);
int i;
nv_wr32(dev, GPC_BCAST(0x0880), 0x00000000);
nv_wr32(dev, GPC_BCAST(0x08a4), 0x00000000);
for (i = 0; i < 4; i++)
nv_wr32(dev, GPC_BCAST(0x0888) + (i * 4), 0x00000000);
nv_wr32(dev, GPC_BCAST(0x08b4), priv->unk4188b4->vinst >> 8);
nv_wr32(dev, GPC_BCAST(0x08b8), priv->unk4188b8->vinst >> 8);
}
static void
nvc0_graph_init_regs(struct drm_device *dev)
{
nv_wr32(dev, 0x400080, 0x003083c2);
nv_wr32(dev, 0x400088, 0x00006fe7);
nv_wr32(dev, 0x40008c, 0x00000000);
nv_wr32(dev, 0x400090, 0x00000030);
nv_wr32(dev, 0x40013c, 0x013901f7);
nv_wr32(dev, 0x400140, 0x00000100);
nv_wr32(dev, 0x400144, 0x00000000);
nv_wr32(dev, 0x400148, 0x00000110);
nv_wr32(dev, 0x400138, 0x00000000);
nv_wr32(dev, 0x400130, 0x00000000);
nv_wr32(dev, 0x400134, 0x00000000);
nv_wr32(dev, 0x400124, 0x00000002);
}
static void
nvc0_graph_init_gpc_0(struct drm_device *dev)
{
struct nvc0_graph_priv *priv = nv_engine(dev, NVOBJ_ENGINE_GR);
const u32 magicgpc918 = DIV_ROUND_UP(0x00800000, priv->tp_total);
u32 data[TP_MAX / 8];
u8 tpnr[GPC_MAX];
int i, gpc, tpc;
nv_wr32(dev, TP_UNIT(0, 0, 0x5c), 1); /* affects TFB offset queries */
/*
* TP ROP UNKVAL(magic_not_rop_nr)
* 450: 4/0/0/0 2 3
* 460: 3/4/0/0 4 1
* 465: 3/4/4/0 4 7
* 470: 3/3/4/4 5 5
* 480: 3/4/4/4 6 6
*/
memset(data, 0x00, sizeof(data));
memcpy(tpnr, priv->tp_nr, sizeof(priv->tp_nr));
for (i = 0, gpc = -1; i < priv->tp_total; i++) {
do {
gpc = (gpc + 1) % priv->gpc_nr;
} while (!tpnr[gpc]);
tpc = priv->tp_nr[gpc] - tpnr[gpc]--;
data[i / 8] |= tpc << ((i % 8) * 4);
}
nv_wr32(dev, GPC_BCAST(0x0980), data[0]);
nv_wr32(dev, GPC_BCAST(0x0984), data[1]);
nv_wr32(dev, GPC_BCAST(0x0988), data[2]);
nv_wr32(dev, GPC_BCAST(0x098c), data[3]);
for (gpc = 0; gpc < priv->gpc_nr; gpc++) {
nv_wr32(dev, GPC_UNIT(gpc, 0x0914), priv->magic_not_rop_nr << 8 |
priv->tp_nr[gpc]);
nv_wr32(dev, GPC_UNIT(gpc, 0x0910), 0x00040000 | priv->tp_total);
nv_wr32(dev, GPC_UNIT(gpc, 0x0918), magicgpc918);
}
nv_wr32(dev, GPC_BCAST(0x1bd4), magicgpc918);
nv_wr32(dev, GPC_BCAST(0x08ac), nv_rd32(dev, 0x100800));
}
static void
nvc0_graph_init_units(struct drm_device *dev)
{
nv_wr32(dev, 0x409c24, 0x000f0000);
nv_wr32(dev, 0x404000, 0xc0000000); /* DISPATCH */
nv_wr32(dev, 0x404600, 0xc0000000); /* M2MF */
nv_wr32(dev, 0x408030, 0xc0000000);
nv_wr32(dev, 0x40601c, 0xc0000000);
nv_wr32(dev, 0x404490, 0xc0000000); /* MACRO */
nv_wr32(dev, 0x406018, 0xc0000000);
nv_wr32(dev, 0x405840, 0xc0000000);
nv_wr32(dev, 0x405844, 0x00ffffff);
nv_mask(dev, 0x419cc0, 0x00000008, 0x00000008);
nv_mask(dev, 0x419eb4, 0x00001000, 0x00001000);
}
static void
nvc0_graph_init_gpc_1(struct drm_device *dev)
{
struct nvc0_graph_priv *priv = nv_engine(dev, NVOBJ_ENGINE_GR);
int gpc, tp;
for (gpc = 0; gpc < priv->gpc_nr; gpc++) {
nv_wr32(dev, GPC_UNIT(gpc, 0x0420), 0xc0000000);
nv_wr32(dev, GPC_UNIT(gpc, 0x0900), 0xc0000000);
nv_wr32(dev, GPC_UNIT(gpc, 0x1028), 0xc0000000);
nv_wr32(dev, GPC_UNIT(gpc, 0x0824), 0xc0000000);
for (tp = 0; tp < priv->tp_nr[gpc]; tp++) {
nv_wr32(dev, TP_UNIT(gpc, tp, 0x508), 0xffffffff);
nv_wr32(dev, TP_UNIT(gpc, tp, 0x50c), 0xffffffff);
nv_wr32(dev, TP_UNIT(gpc, tp, 0x224), 0xc0000000);
nv_wr32(dev, TP_UNIT(gpc, tp, 0x48c), 0xc0000000);
nv_wr32(dev, TP_UNIT(gpc, tp, 0x084), 0xc0000000);
nv_wr32(dev, TP_UNIT(gpc, tp, 0x644), 0x001ffffe);
nv_wr32(dev, TP_UNIT(gpc, tp, 0x64c), 0x0000000f);
}
nv_wr32(dev, GPC_UNIT(gpc, 0x2c90), 0xffffffff);
nv_wr32(dev, GPC_UNIT(gpc, 0x2c94), 0xffffffff);
}
}
static void
nvc0_graph_init_rop(struct drm_device *dev)
{
struct nvc0_graph_priv *priv = nv_engine(dev, NVOBJ_ENGINE_GR);
int rop;
for (rop = 0; rop < priv->rop_nr; rop++) {
nv_wr32(dev, ROP_UNIT(rop, 0x144), 0xc0000000);
nv_wr32(dev, ROP_UNIT(rop, 0x070), 0xc0000000);
nv_wr32(dev, ROP_UNIT(rop, 0x204), 0xffffffff);
nv_wr32(dev, ROP_UNIT(rop, 0x208), 0xffffffff);
}
}
static void
nvc0_graph_init_fuc(struct drm_device *dev, u32 fuc_base,
struct nvc0_graph_fuc *code, struct nvc0_graph_fuc *data)
{
int i;
nv_wr32(dev, fuc_base + 0x01c0, 0x01000000);
for (i = 0; i < data->size / 4; i++)
nv_wr32(dev, fuc_base + 0x01c4, data->data[i]);
nv_wr32(dev, fuc_base + 0x0180, 0x01000000);
for (i = 0; i < code->size / 4; i++) {
if ((i & 0x3f) == 0)
nv_wr32(dev, fuc_base + 0x0188, i >> 6);
nv_wr32(dev, fuc_base + 0x0184, code->data[i]);
}
}
static int
nvc0_graph_init_ctxctl(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nvc0_graph_priv *priv = nv_engine(dev, NVOBJ_ENGINE_GR);
u32 r000260;
int i;
if (!nouveau_ctxfw) {
/* load HUB microcode */
r000260 = nv_mask(dev, 0x000260, 0x00000001, 0x00000000);
nv_wr32(dev, 0x4091c0, 0x01000000);
for (i = 0; i < sizeof(nvc0_grhub_data) / 4; i++)
nv_wr32(dev, 0x4091c4, nvc0_grhub_data[i]);
nv_wr32(dev, 0x409180, 0x01000000);
for (i = 0; i < sizeof(nvc0_grhub_code) / 4; i++) {
if ((i & 0x3f) == 0)
nv_wr32(dev, 0x409188, i >> 6);
nv_wr32(dev, 0x409184, nvc0_grhub_code[i]);
}
/* load GPC microcode */
nv_wr32(dev, 0x41a1c0, 0x01000000);
for (i = 0; i < sizeof(nvc0_grgpc_data) / 4; i++)
nv_wr32(dev, 0x41a1c4, nvc0_grgpc_data[i]);
nv_wr32(dev, 0x41a180, 0x01000000);
for (i = 0; i < sizeof(nvc0_grgpc_code) / 4; i++) {
if ((i & 0x3f) == 0)
nv_wr32(dev, 0x41a188, i >> 6);
nv_wr32(dev, 0x41a184, nvc0_grgpc_code[i]);
}
nv_wr32(dev, 0x000260, r000260);
/* start HUB ucode running, it'll init the GPCs */
nv_wr32(dev, 0x409800, dev_priv->chipset);
nv_wr32(dev, 0x40910c, 0x00000000);
nv_wr32(dev, 0x409100, 0x00000002);
if (!nv_wait(dev, 0x409800, 0x80000000, 0x80000000)) {
NV_ERROR(dev, "PGRAPH: HUB_INIT timed out\n");
nvc0_graph_ctxctl_debug(dev);
return -EBUSY;
}
priv->grctx_size = nv_rd32(dev, 0x409804);
return 0;
}
/* load fuc microcode */
r000260 = nv_mask(dev, 0x000260, 0x00000001, 0x00000000);
nvc0_graph_init_fuc(dev, 0x409000, &priv->fuc409c, &priv->fuc409d);
nvc0_graph_init_fuc(dev, 0x41a000, &priv->fuc41ac, &priv->fuc41ad);
nv_wr32(dev, 0x000260, r000260);
/* start both of them running */
nv_wr32(dev, 0x409840, 0xffffffff);
nv_wr32(dev, 0x41a10c, 0x00000000);
nv_wr32(dev, 0x40910c, 0x00000000);
nv_wr32(dev, 0x41a100, 0x00000002);
nv_wr32(dev, 0x409100, 0x00000002);
if (!nv_wait(dev, 0x409800, 0x00000001, 0x00000001))
NV_INFO(dev, "0x409800 wait failed\n");
nv_wr32(dev, 0x409840, 0xffffffff);
nv_wr32(dev, 0x409500, 0x7fffffff);
nv_wr32(dev, 0x409504, 0x00000021);
nv_wr32(dev, 0x409840, 0xffffffff);
nv_wr32(dev, 0x409500, 0x00000000);
nv_wr32(dev, 0x409504, 0x00000010);
if (!nv_wait_ne(dev, 0x409800, 0xffffffff, 0x00000000)) {
NV_ERROR(dev, "fuc09 req 0x10 timeout\n");
return -EBUSY;
}
priv->grctx_size = nv_rd32(dev, 0x409800);
nv_wr32(dev, 0x409840, 0xffffffff);
nv_wr32(dev, 0x409500, 0x00000000);
nv_wr32(dev, 0x409504, 0x00000016);
if (!nv_wait_ne(dev, 0x409800, 0xffffffff, 0x00000000)) {
NV_ERROR(dev, "fuc09 req 0x16 timeout\n");
return -EBUSY;
}
nv_wr32(dev, 0x409840, 0xffffffff);
nv_wr32(dev, 0x409500, 0x00000000);
nv_wr32(dev, 0x409504, 0x00000025);
if (!nv_wait_ne(dev, 0x409800, 0xffffffff, 0x00000000)) {
NV_ERROR(dev, "fuc09 req 0x25 timeout\n");
return -EBUSY;
}
return 0;
}
static int
nvc0_graph_init(struct drm_device *dev, int engine)
{
int ret;
nv_mask(dev, 0x000200, 0x18001000, 0x00000000);
nv_mask(dev, 0x000200, 0x18001000, 0x18001000);
nvc0_graph_init_obj418880(dev);
nvc0_graph_init_regs(dev);
/*nvc0_graph_init_unitplemented_magics(dev);*/
nvc0_graph_init_gpc_0(dev);
/*nvc0_graph_init_unitplemented_c242(dev);*/
nv_wr32(dev, 0x400500, 0x00010001);
nv_wr32(dev, 0x400100, 0xffffffff);
nv_wr32(dev, 0x40013c, 0xffffffff);
nvc0_graph_init_units(dev);
nvc0_graph_init_gpc_1(dev);
nvc0_graph_init_rop(dev);
nv_wr32(dev, 0x400108, 0xffffffff);
nv_wr32(dev, 0x400138, 0xffffffff);
nv_wr32(dev, 0x400118, 0xffffffff);
nv_wr32(dev, 0x400130, 0xffffffff);
nv_wr32(dev, 0x40011c, 0xffffffff);
nv_wr32(dev, 0x400134, 0xffffffff);
nv_wr32(dev, 0x400054, 0x34ce3464);
ret = nvc0_graph_init_ctxctl(dev);
if (ret)
return ret;
return 0;
}
int
nvc0_graph_isr_chid(struct drm_device *dev, u64 inst)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_channel *chan;
unsigned long flags;
int i;
spin_lock_irqsave(&dev_priv->channels.lock, flags);
for (i = 0; i < dev_priv->engine.fifo.channels; i++) {
chan = dev_priv->channels.ptr[i];
if (!chan || !chan->ramin)
continue;
if (inst == chan->ramin->vinst)
break;
}
spin_unlock_irqrestore(&dev_priv->channels.lock, flags);
return i;
}
static void
nvc0_graph_ctxctl_isr(struct drm_device *dev)
{
u32 ustat = nv_rd32(dev, 0x409c18);
if (ustat & 0x00000001)
NV_INFO(dev, "PGRAPH: CTXCTRL ucode error\n");
if (ustat & 0x00080000)
NV_INFO(dev, "PGRAPH: CTXCTRL watchdog timeout\n");
if (ustat & ~0x00080001)
NV_INFO(dev, "PGRAPH: CTXCTRL 0x%08x\n", ustat);
nvc0_graph_ctxctl_debug(dev);
nv_wr32(dev, 0x409c20, ustat);
}
static void
nvc0_graph_isr(struct drm_device *dev)
{
u64 inst = (u64)(nv_rd32(dev, 0x409b00) & 0x0fffffff) << 12;
u32 chid = nvc0_graph_isr_chid(dev, inst);
u32 stat = nv_rd32(dev, 0x400100);
u32 addr = nv_rd32(dev, 0x400704);
u32 mthd = (addr & 0x00003ffc);
u32 subc = (addr & 0x00070000) >> 16;
u32 data = nv_rd32(dev, 0x400708);
u32 code = nv_rd32(dev, 0x400110);
u32 class = nv_rd32(dev, 0x404200 + (subc * 4));
if (stat & 0x00000010) {
if (nouveau_gpuobj_mthd_call2(dev, chid, class, mthd, data)) {
NV_INFO(dev, "PGRAPH: ILLEGAL_MTHD ch %d [0x%010llx] "
"subc %d class 0x%04x mthd 0x%04x "
"data 0x%08x\n",
chid, inst, subc, class, mthd, data);
}
nv_wr32(dev, 0x400100, 0x00000010);
stat &= ~0x00000010;
}
if (stat & 0x00000020) {
NV_INFO(dev, "PGRAPH: 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(dev, 0x400100, 0x00000020);
stat &= ~0x00000020;
}
if (stat & 0x00100000) {
NV_INFO(dev, "PGRAPH: 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(dev, 0x400100, 0x00100000);
stat &= ~0x00100000;
}
if (stat & 0x00200000) {
u32 trap = nv_rd32(dev, 0x400108);
NV_INFO(dev, "PGRAPH: TRAP ch %d status 0x%08x\n", chid, trap);
nv_wr32(dev, 0x400108, trap);
nv_wr32(dev, 0x400100, 0x00200000);
stat &= ~0x00200000;
}
if (stat & 0x00080000) {
nvc0_graph_ctxctl_isr(dev);
nv_wr32(dev, 0x400100, 0x00080000);
stat &= ~0x00080000;
}
if (stat) {
NV_INFO(dev, "PGRAPH: unknown stat 0x%08x\n", stat);
nv_wr32(dev, 0x400100, stat);
}
nv_wr32(dev, 0x400500, 0x00010001);
}
static int
nvc0_graph_create_fw(struct drm_device *dev, const char *fwname,
struct nvc0_graph_fuc *fuc)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
const struct firmware *fw;
char f[32];
int ret;
snprintf(f, sizeof(f), "nouveau/nv%02x_%s", dev_priv->chipset, fwname);
ret = request_firmware(&fw, f, &dev->pdev->dev);
if (ret) {
snprintf(f, sizeof(f), "nouveau/%s", fwname);
ret = request_firmware(&fw, f, &dev->pdev->dev);
if (ret) {
NV_ERROR(dev, "failed to load %s\n", fwname);
return ret;
}
}
fuc->size = fw->size;
fuc->data = kmemdup(fw->data, fuc->size, GFP_KERNEL);
release_firmware(fw);
return (fuc->data != NULL) ? 0 : -ENOMEM;
}
static void
nvc0_graph_destroy_fw(struct nvc0_graph_fuc *fuc)
{
if (fuc->data) {
kfree(fuc->data);
fuc->data = NULL;
}
}
static void
nvc0_graph_destroy(struct drm_device *dev, int engine)
{
struct nvc0_graph_priv *priv = nv_engine(dev, engine);
if (nouveau_ctxfw) {
nvc0_graph_destroy_fw(&priv->fuc409c);
nvc0_graph_destroy_fw(&priv->fuc409d);
nvc0_graph_destroy_fw(&priv->fuc41ac);
nvc0_graph_destroy_fw(&priv->fuc41ad);
}
nouveau_irq_unregister(dev, 12);
nouveau_gpuobj_ref(NULL, &priv->unk4188b8);
nouveau_gpuobj_ref(NULL, &priv->unk4188b4);
if (priv->grctx_vals)
kfree(priv->grctx_vals);
NVOBJ_ENGINE_DEL(dev, GR);
kfree(priv);
}
int
nvc0_graph_create(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nvc0_graph_priv *priv;
int ret, gpc, i;
u32 fermi;
fermi = nvc0_graph_class(dev);
if (!fermi) {
NV_ERROR(dev, "PGRAPH: unsupported chipset, please report!\n");
return 0;
}
priv = kzalloc(sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
priv->base.destroy = nvc0_graph_destroy;
priv->base.init = nvc0_graph_init;
priv->base.fini = nvc0_graph_fini;
priv->base.context_new = nvc0_graph_context_new;
priv->base.context_del = nvc0_graph_context_del;
priv->base.object_new = nvc0_graph_object_new;
NVOBJ_ENGINE_ADD(dev, GR, &priv->base);
nouveau_irq_register(dev, 12, nvc0_graph_isr);
if (nouveau_ctxfw) {
NV_INFO(dev, "PGRAPH: using external firmware\n");
if (nvc0_graph_create_fw(dev, "fuc409c", &priv->fuc409c) ||
nvc0_graph_create_fw(dev, "fuc409d", &priv->fuc409d) ||
nvc0_graph_create_fw(dev, "fuc41ac", &priv->fuc41ac) ||
nvc0_graph_create_fw(dev, "fuc41ad", &priv->fuc41ad)) {
ret = 0;
goto error;
}
}
ret = nouveau_gpuobj_new(dev, NULL, 0x1000, 256, 0, &priv->unk4188b4);
if (ret)
goto error;
ret = nouveau_gpuobj_new(dev, NULL, 0x1000, 256, 0, &priv->unk4188b8);
if (ret)
goto error;
for (i = 0; i < 0x1000; i += 4) {
nv_wo32(priv->unk4188b4, i, 0x00000010);
nv_wo32(priv->unk4188b8, i, 0x00000010);
}
priv->gpc_nr = nv_rd32(dev, 0x409604) & 0x0000001f;
priv->rop_nr = (nv_rd32(dev, 0x409604) & 0x001f0000) >> 16;
for (gpc = 0; gpc < priv->gpc_nr; gpc++) {
priv->tp_nr[gpc] = nv_rd32(dev, GPC_UNIT(gpc, 0x2608));
priv->tp_total += priv->tp_nr[gpc];
}
/*XXX: these need figuring out... */
switch (dev_priv->chipset) {
case 0xc0:
if (priv->tp_total == 11) { /* 465, 3/4/4/0, 4 */
priv->magic_not_rop_nr = 0x07;
} else
if (priv->tp_total == 14) { /* 470, 3/3/4/4, 5 */
priv->magic_not_rop_nr = 0x05;
} else
if (priv->tp_total == 15) { /* 480, 3/4/4/4, 6 */
priv->magic_not_rop_nr = 0x06;
}
break;
case 0xc3: /* 450, 4/0/0/0, 2 */
priv->magic_not_rop_nr = 0x03;
break;
case 0xc4: /* 460, 3/4/0/0, 4 */
priv->magic_not_rop_nr = 0x01;
break;
case 0xc1: /* 2/0/0/0, 1 */
priv->magic_not_rop_nr = 0x01;
break;
case 0xc8: /* 4/4/3/4, 5 */
priv->magic_not_rop_nr = 0x06;
break;
case 0xce: /* 4/4/0/0, 4 */
priv->magic_not_rop_nr = 0x03;
break;
case 0xcf: /* 4/0/0/0, 3 */
priv->magic_not_rop_nr = 0x03;
break;
case 0xd9: /* 1/0/0/0, 1 */
priv->magic_not_rop_nr = 0x01;
break;
}
if (!priv->magic_not_rop_nr) {
NV_ERROR(dev, "PGRAPH: unknown config: %d/%d/%d/%d, %d\n",
priv->tp_nr[0], priv->tp_nr[1], priv->tp_nr[2],
priv->tp_nr[3], priv->rop_nr);
priv->magic_not_rop_nr = 0x00;
}
NVOBJ_CLASS(dev, 0x902d, GR); /* 2D */
NVOBJ_CLASS(dev, 0x9039, GR); /* M2MF */
NVOBJ_MTHD (dev, 0x9039, 0x0500, nvc0_graph_mthd_page_flip);
NVOBJ_CLASS(dev, 0x9097, GR); /* 3D */
if (fermi >= 0x9197)
NVOBJ_CLASS(dev, 0x9197, GR); /* 3D (NVC1-) */
if (fermi >= 0x9297)
NVOBJ_CLASS(dev, 0x9297, GR); /* 3D (NVC8-) */
NVOBJ_CLASS(dev, 0x90c0, GR); /* COMPUTE */
return 0;
error:
nvc0_graph_destroy(dev, NVOBJ_ENGINE_GR);
return ret;
}
