drm/shared-core/nv50_graph.c

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/*
* Copyright (C) 2007 Ben Skeggs.
* All Rights Reserved.
*
* 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 (including the
* next paragraph) 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 OWNER(S) AND/OR ITS SUPPLIERS 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.
*
*/
#include "drmP.h"
#include "drm.h"
#include "nouveau_drv.h"
#define IS_G80 ((dev_priv->chipset & 0xf0) == 0x50)
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static void
nv50_graph_init_reset(struct drm_device *dev)
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{
struct drm_nouveau_private *dev_priv = dev->dev_private;
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uint32_t pmc_e;
DRM_DEBUG("\n");
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pmc_e = NV_READ(NV03_PMC_ENABLE);
NV_WRITE(NV03_PMC_ENABLE, pmc_e & ~NV_PMC_ENABLE_PGRAPH);
pmc_e = NV_READ(NV03_PMC_ENABLE);
NV_WRITE(NV03_PMC_ENABLE, pmc_e | NV_PMC_ENABLE_PGRAPH);
}
static void
nv50_graph_init_intr(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
DRM_DEBUG("\n");
NV_WRITE(NV03_PGRAPH_INTR, 0xffffffff);
NV_WRITE(NV40_PGRAPH_INTR_EN, 0xffffffff);
}
static void
nv50_graph_init_regs__nv(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
DRM_DEBUG("\n");
NV_WRITE(0x400804, 0xc0000000);
NV_WRITE(0x406800, 0xc0000000);
NV_WRITE(0x400c04, 0xc0000000);
NV_WRITE(0x401804, 0xc0000000);
NV_WRITE(0x405018, 0xc0000000);
NV_WRITE(0x402000, 0xc0000000);
NV_WRITE(0x400108, 0xffffffff);
NV_WRITE(0x400824, 0x00004000);
NV_WRITE(0x400500, 0x00010001);
}
static void
nv50_graph_init_regs(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
DRM_DEBUG("\n");
NV_WRITE(NV04_PGRAPH_DEBUG_3, (1<<2) /* HW_CONTEXT_SWITCH_ENABLED */);
}
static uint32_t nv84_ctx_voodoo[] = {
0x0070008e, 0x0070009c, 0x00200020, 0x00600008, 0x0050004c, 0x00400e89,
0x00200000, 0x00600007, 0x00300000, 0x00c000ff, 0x00200000, 0x008000ff,
0x00700009, 0x0041634d, 0x00402944, 0x00402905, 0x0040290d, 0x00413e06,
0x00600005, 0x004015c5, 0x00600011, 0x0040270b, 0x004021c5, 0x00700000,
0x00700081, 0x00600004, 0x0050004a, 0x00216f40, 0x00600007, 0x00c02801,
0x0020002e, 0x00800001, 0x005000cb, 0x0090ffff, 0x0091ffff, 0x00200020,
0x00600008, 0x0050004c, 0x00600009, 0x00413e45, 0x0041594d, 0x0070009d,
0x00402dcf, 0x0070009f, 0x0050009f, 0x00402ac0, 0x00200200, 0x00600008,
0x00402a4f, 0x00402ac0, 0x004030cc, 0x00700081, 0x00200000, 0x00600006,
0x00700000, 0x00111bfc, 0x00700083, 0x00300000, 0x00216f40, 0x00600007,
0x00c00b01, 0x0020001e, 0x00800001, 0x005000cb, 0x00c000ff, 0x00700080,
0x00700083, 0x00200047, 0x00600006, 0x0011020a, 0x00200480, 0x00600007,
0x00300000, 0x00c000ff, 0x00c800ff, 0x00414907, 0x00202916, 0x008000ff,
0x0040508c, 0x005000cb, 0x00a0023f, 0x00200040, 0x00600006, 0x0070000f,
0x00170202, 0x0011020a, 0x00200032, 0x0010020d, 0x001c0242, 0x00120302,
0x00140402, 0x00180500, 0x00130509, 0x00150550, 0x00110605, 0x0020000f,
0x00100607, 0x00110700, 0x00110900, 0x00120902, 0x00110a00, 0x00160b02,
0x00120b28, 0x00140b2b, 0x00110c01, 0x00111400, 0x00111405, 0x00111407,
0x00111409, 0x0011140b, 0x002000cb, 0x00101500, 0x0040790f, 0x0040794b,
0x00214d40, 0x00600007, 0x0020043e, 0x008800ff, 0x0070008f, 0x0040798c,
0x005000cb, 0x00000000, 0x0020002b, 0x00101a05, 0x00131c00, 0x00121c04,
0x00141c20, 0x00111c25, 0x00131c40, 0x00121c44, 0x00141c60, 0x00111c65,
0x00131c80, 0x00121c84, 0x00141ca0, 0x00111ca5, 0x00131cc0, 0x00121cc4,
0x00141ce0, 0x00111ce5, 0x00131f00, 0x00191f40, 0x0040a1e0, 0x002001ed,
0x00600006, 0x00200044, 0x00102080, 0x001120c6, 0x001520c9, 0x001920d0,
0x00122100, 0x00122103, 0x00162200, 0x00122207, 0x00112280, 0x00112300,
0x00112302, 0x00122380, 0x0011238b, 0x00112394, 0x0011239c, 0x0040bee1,
0x00200254, 0x00600006, 0x00200044, 0x00102480, 0x0040af0f, 0x0040af4b,
0x00214d40, 0x00600007, 0x0020043e, 0x008800ff, 0x0070008f, 0x0040af8c,
0x005000cb, 0x00000000, 0x001124c6, 0x001524c9, 0x001924d0, 0x00122500,
0x00122503, 0x00162600, 0x00122607, 0x00112680, 0x00112700, 0x00112702,
0x00122780, 0x0011278b, 0x00112794, 0x0011279c, 0x0040d1e2, 0x002002bb,
0x00600006, 0x00200044, 0x00102880, 0x001128c6, 0x001528c9, 0x001928d0,
0x00122900, 0x00122903, 0x00162a00, 0x00122a07, 0x00112a80, 0x00112b00,
0x00112b02, 0x00122b80, 0x00112b8b, 0x00112b94, 0x00112b9c, 0x0040eee3,
0x00200322, 0x00600006, 0x00200044, 0x00102c80, 0x0040df0f, 0x0040df4b,
0x00214d40, 0x00600007, 0x0020043e, 0x008800ff, 0x0070008f, 0x0040df8c,
0x005000cb, 0x00000000, 0x00112cc6, 0x00152cc9, 0x00192cd0, 0x00122d00,
0x00122d03, 0x00162e00, 0x00122e07, 0x00112e80, 0x00112f00, 0x00112f02,
0x00122f80, 0x00112f8b, 0x00112f94, 0x00112f9c, 0x004101e4, 0x00200389,
0x00600006, 0x00200044, 0x00103080, 0x001130c6, 0x001530c9, 0x001930d0,
0x00123100, 0x00123103, 0x00163200, 0x00123207, 0x00113280, 0x00113300,
0x00113302, 0x00123380, 0x0011338b, 0x00113394, 0x0011339c, 0x00411ee5,
0x002003f0, 0x00600006, 0x00200044, 0x00103480, 0x00410f0f, 0x00410f4b,
0x00214d40, 0x00600007, 0x0020043e, 0x008800ff, 0x0070008f, 0x00410f8c,
0x005000cb, 0x00000000, 0x001134c6, 0x001534c9, 0x001934d0, 0x00123500,
0x00123503, 0x00163600, 0x00123607, 0x00113680, 0x00113700, 0x00113702,
0x00123780, 0x0011378b, 0x00113794, 0x0011379c, 0x00000000, 0x0041250f,
0x005000cb, 0x00214d40, 0x00600007, 0x0020043e, 0x008800ff, 0x005000cb,
0x00412887, 0x0060000a, 0x00000000, 0x00413700, 0x007000a0, 0x00700080,
0x00200480, 0x00600007, 0x00200004, 0x00c000ff, 0x008000ff, 0x005000cb,
0x00700000, 0x00200000, 0x00600006, 0x00111bfe, 0x0041594d, 0x00700000,
0x00200000, 0x00600006, 0x00111bfe, 0x00700080, 0x0070001d, 0x0040114d,
0x00700081, 0x00600004, 0x0050004a, 0x00414388, 0x0060000b, 0x00200000,
0x00600006, 0x00700000, 0x0041590b, 0x00111bfd, 0x0040424d, 0x00202916,
0x008000fd, 0x005000cb, 0x00c00002, 0x00200480, 0x00600007, 0x00200160,
0x00800002, 0x005000cb, 0x00c01802, 0x002027b6, 0x00800002, 0x005000cb,
0x00404e4d, 0x0060000b, 0x0041574d, 0x00700001, 0x005000cf, 0x00700003,
0x00415e06, 0x00415f05, 0x0060000d, 0x00700005, 0x0070000d, 0x00700006,
0x0070000b, 0x0070000e, 0x0070001c, 0x0060000c, ~0
};
static void
nv50_graph_init_ctxctl(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
uint32_t *voodoo;
DRM_DEBUG("\n");
switch (dev_priv->chipset) {
case 0x84:
voodoo = nv84_ctx_voodoo;
break;
default:
DRM_ERROR("no voodoo for chipset NV%02x\n", dev_priv->chipset);
break;
}
if (voodoo) {
NV_WRITE(NV40_PGRAPH_CTXCTL_UCODE_INDEX, 0);
while (*voodoo != ~0) {
NV_WRITE(NV40_PGRAPH_CTXCTL_UCODE_DATA, *voodoo);
voodoo++;
}
}
NV_WRITE(0x400320, 4);
NV_WRITE(NV40_PGRAPH_CTXCTL_CUR, 0);
NV_WRITE(NV20_PGRAPH_CHANNEL_CTX_POINTER, 0);
}
int
nv50_graph_init(struct drm_device *dev)
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{
DRM_DEBUG("\n");
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nv50_graph_init_reset(dev);
nv50_graph_init_intr(dev);
nv50_graph_init_regs__nv(dev);
nv50_graph_init_regs(dev);
nv50_graph_init_ctxctl(dev);
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return 0;
}
void
nv50_graph_takedown(struct drm_device *dev)
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{
DRM_DEBUG("\n");
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}
int
nv50_graph_create_context(struct nouveau_channel *chan)
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{
struct drm_device *dev = chan->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_engine *engine = &dev_priv->Engine;
struct nouveau_gpuobj *ramin = chan->ramin->gpuobj;
int grctx_size = 0x60000, hdr;
int ret;
DRM_DEBUG("ch%d\n", chan->id);
if ((ret = nouveau_gpuobj_new_ref(dev, chan, NULL, 0,
grctx_size, 0x1000,
NVOBJ_FLAG_ZERO_ALLOC |
NVOBJ_FLAG_ZERO_FREE,
&chan->ramin_grctx)))
return ret;
hdr = IS_G80 ? 0x200 : 0x20;
INSTANCE_WR(ramin, (hdr + 0x00)/4, 0x00190002);
INSTANCE_WR(ramin, (hdr + 0x04)/4, chan->ramin_grctx->instance +
grctx_size - 1);
INSTANCE_WR(ramin, (hdr + 0x08)/4, chan->ramin_grctx->instance);
INSTANCE_WR(ramin, (hdr + 0x0c)/4, 0);
INSTANCE_WR(ramin, (hdr + 0x10)/4, 0);
INSTANCE_WR(ramin, (hdr + 0x14)/4, 0x00010000);
if ((ret = engine->graph.load_context(chan))) {
DRM_ERROR("Error hacking up initial context: %d\n", ret);
return ret;
}
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return 0;
}
void
nv50_graph_destroy_context(struct nouveau_channel *chan)
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{
struct drm_device *dev = chan->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
int i, hdr;
DRM_DEBUG("ch%d\n", chan->id);
hdr = IS_G80 ? 0x200 : 0x20;
for (i=hdr; i<hdr+24; i+=4)
INSTANCE_WR(chan->ramin->gpuobj, i/4, 0);
nouveau_gpuobj_ref_del(dev, &chan->ramin_grctx);
}
static int
nv50_graph_transfer_context(struct drm_device *dev, uint32_t inst, int save)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
uint32_t old_cp, tv = 20000;
int i;
DRM_DEBUG("inst=0x%08x, save=%d\n", inst, save);
old_cp = NV_READ(NV20_PGRAPH_CHANNEL_CTX_POINTER);
NV_WRITE(NV20_PGRAPH_CHANNEL_CTX_POINTER, inst | (1<<31));
NV_WRITE(0x400824, NV_READ(0x400824) |
(save ? NV40_PGRAPH_CTXCTL_0310_XFER_SAVE :
NV40_PGRAPH_CTXCTL_0310_XFER_LOAD));
NV_WRITE(NV40_PGRAPH_CTXCTL_0304, NV40_PGRAPH_CTXCTL_0304_XFER_CTX);
for (i = 0; i < tv; i++) {
if (NV_READ(NV40_PGRAPH_CTXCTL_030C) == 0)
break;
}
NV_WRITE(NV20_PGRAPH_CHANNEL_CTX_POINTER, old_cp);
if (i == tv) {
DRM_ERROR("failed: inst=0x%08x save=%d\n", inst, save);
DRM_ERROR("0x40030C = 0x%08x\n",
NV_READ(NV40_PGRAPH_CTXCTL_030C));
return -EBUSY;
}
return 0;
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}
int
nv50_graph_load_context(struct nouveau_channel *chan)
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{
struct drm_device *dev = chan->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
uint32_t inst = ((chan->ramin->instance >> 12) | (1<<31));
int ret; (void)ret;
DRM_DEBUG("ch%d\n", chan->id);
#if 0
if ((ret = nv50_graph_transfer_context(dev, inst, 0)))
return ret;
#endif
NV_WRITE(NV20_PGRAPH_CHANNEL_CTX_POINTER, inst);
NV_WRITE(0x400320, 4);
NV_WRITE(NV40_PGRAPH_CTXCTL_CUR, inst);
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return 0;
}
int
nv50_graph_save_context(struct nouveau_channel *chan)
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{
struct drm_device *dev = chan->dev;
uint32_t inst = ((chan->ramin->instance >> 12) | (1<<31));
DRM_DEBUG("ch%d\n", chan->id);
return nv50_graph_transfer_context(dev, inst, 1);
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}