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Setup NV40 RAMFC (in wrong location.. but anyway), rearrange the RAMFC setup code a bit.

main
Ben Skeggs 2006-10-17 06:37:40 +11:00
parent 95486bbde0
commit 1943f39d8c
2 changed files with 80 additions and 46 deletions
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124
shared-core/nouveau_fifo.c
View File

@ -181,13 +181,88 @@ static int nouveau_dma_init(struct drm_device *dev)
return 0;
}
static void nouveau_context_init(drm_device_t *dev,
drm_nouveau_fifo_alloc_t *init)
{
drm_nouveau_private_t *dev_priv = dev->dev_private;
uint32_t ctx_addr,ctx_size;
int i;
switch(dev_priv->card_type)
{
case NV_03:
case NV_04:
case NV_05:
ctx_size=32;
break;
case NV_10:
case NV_20:
case NV_30:
default:
ctx_size=64;
break;
}
ctx_addr=NV_RAMIN+dev_priv->ramfc_offset+init->channel*ctx_size;
// clear the fifo context
for(i=0;i<ctx_size/4;i++)
NV_WRITE(ctx_addr+4*i,0x0);
NV_WRITE(ctx_addr,init->put_base);
NV_WRITE(ctx_addr+4,init->put_base);
if (dev_priv->card_type <= NV_05)
{
// that's what is done in nvosdk, but that part of the code is buggy so...
NV_WRITE(ctx_addr+8,dev_priv->cmdbuf_obj->instance >> 4);
#ifdef __BIG_ENDIAN
NV_WRITE(ctx_addr+16,NV_PFIFO_CACH1_DMAF_TRIG_112_BYTES|NV_PFIFO_CACH1_DMAF_SIZE_128_BYTES|NV_PFIFO_CACH1_DMAF_MAX_REQS_4|NV_PFIFO_CACH1_BIG_ENDIAN);
#else
NV_WRITE(ctx_addr+16,NV_PFIFO_CACH1_DMAF_TRIG_112_BYTES|NV_PFIFO_CACH1_DMAF_SIZE_128_BYTES|NV_PFIFO_CACH1_DMAF_MAX_REQS_4);
#endif
}
else
{
NV_WRITE(ctx_addr+12,dev_priv->cmdbuf_obj->instance >> 4/*DMA INST/DMA COUNT*/);
#ifdef __BIG_ENDIAN
NV_WRITE(ctx_addr+20,NV_PFIFO_CACH1_DMAF_TRIG_112_BYTES|NV_PFIFO_CACH1_DMAF_SIZE_128_BYTES|NV_PFIFO_CACH1_DMAF_MAX_REQS_4|NV_PFIFO_CACH1_BIG_ENDIAN);
#else
NV_WRITE(ctx_addr+20,NV_PFIFO_CACH1_DMAF_TRIG_112_BYTES|NV_PFIFO_CACH1_DMAF_SIZE_128_BYTES|NV_PFIFO_CACH1_DMAF_MAX_REQS_4);
#endif
}
}
static void nouveau_nv40_context_init(drm_device_t *dev,
drm_nouveau_fifo_alloc_t *init)
{
#define RAMFC_WR(offset, val) NV_WRITE(fifoctx + NV40_RAMFC_##offset, (val))
drm_nouveau_private_t *dev_priv = dev->dev_private;
uint32_t fifoctx;
int i;
fifoctx = NV_RAMIN + dev_priv->ramfc_offset + init->channel*128;
for (i=0;i<128;i+=4)
NV_WRITE(fifoctx + i, 0);
/* Fill entries that are seen filled in dumps of nvidia driver just
* after channel's is put into DMA mode
*/
RAMFC_WR(DMA_PUT , init->put_base);
RAMFC_WR(DMA_GET , init->put_base);
RAMFC_WR(DMA_INSTANCE , dev_priv->cmdbuf_obj->instance >> 4);
RAMFC_WR(DMA_FETCH , 0x30086078);
RAMFC_WR(DMA_SUBROUTINE, init->put_base);
RAMFC_WR(GRCTX_INSTANCE, 0); /* XXX */
RAMFC_WR(DMA_TIMESLICE , 0x0001FFFF);
#undef RAMFC_WR
}
/* allocates and initializes a fifo for user space consumption */
static int nouveau_fifo_alloc(drm_device_t* dev,drm_nouveau_fifo_alloc_t* init, DRMFILE filp)
{
int i;
int ret;
drm_nouveau_private_t *dev_priv = dev->dev_private;
uint32_t ctx_addr,ctx_size;
/* Init cmdbuf on first FIFO init, this is delayed until now to
* give the ddx a chance to configure the cmdbuf with SETPARAM
@ -231,51 +306,10 @@ static int nouveau_fifo_alloc(drm_device_t* dev,drm_nouveau_fifo_alloc_t* init,
NV_WRITE(NV_PFIFO_CACH1_PSH0, 0x00000000);
NV_WRITE(NV_PFIFO_CACH1_PUL0, 0x00000000);
switch(dev_priv->card_type)
{
case NV_03:
case NV_04:
case NV_05:
ctx_size=32;
break;
case NV_10:
case NV_20:
case NV_30:
ctx_size=64;
break;
case NV_40:
case G_70:
default:
ctx_size=128;
break;
}
ctx_addr=NV_RAMIN+dev_priv->ramfc_offset+init->channel*ctx_size;
// clear the fifo context
for(i=0;i<ctx_size/4;i++)
NV_WRITE(ctx_addr+4*i,0x0);
NV_WRITE(ctx_addr,init->put_base);
NV_WRITE(ctx_addr+4,init->put_base);
if (dev_priv->card_type <= NV_05)
{
// that's what is done in nvosdk, but that part of the code is buggy so...
NV_WRITE(ctx_addr+8,dev_priv->cmdbuf_obj->instance >> 4);
#ifdef __BIG_ENDIAN
NV_WRITE(ctx_addr+16,NV_PFIFO_CACH1_DMAF_TRIG_112_BYTES|NV_PFIFO_CACH1_DMAF_SIZE_128_BYTES|NV_PFIFO_CACH1_DMAF_MAX_REQS_4|NV_PFIFO_CACH1_BIG_ENDIAN);
#else
NV_WRITE(ctx_addr+16,NV_PFIFO_CACH1_DMAF_TRIG_112_BYTES|NV_PFIFO_CACH1_DMAF_SIZE_128_BYTES|NV_PFIFO_CACH1_DMAF_MAX_REQS_4);
#endif
}
if (dev_priv->card_type < NV_40)
nouveau_context_init(dev, init);
else
{
NV_WRITE(ctx_addr+12,dev_priv->cmdbuf_obj->instance >> 4/*DMA INST/DMA COUNT*/);
#ifdef __BIG_ENDIAN
NV_WRITE(ctx_addr+20,NV_PFIFO_CACH1_DMAF_TRIG_112_BYTES|NV_PFIFO_CACH1_DMAF_SIZE_128_BYTES|NV_PFIFO_CACH1_DMAF_MAX_REQS_4|NV_PFIFO_CACH1_BIG_ENDIAN);
#else
NV_WRITE(ctx_addr+20,NV_PFIFO_CACH1_DMAF_TRIG_112_BYTES|NV_PFIFO_CACH1_DMAF_SIZE_128_BYTES|NV_PFIFO_CACH1_DMAF_MAX_REQS_4);
#endif
}
nouveau_nv40_context_init(dev, init);
/* enable the fifo dma operation */
NV_WRITE(NV_PFIFO_MODE,NV_READ(NV_PFIFO_MODE)|(1<<init->channel));

2
shared-core/nouveau_reg.h
View File

@ -193,7 +193,7 @@
#define NV40_RAMFC_ACQUIRE_TIMEOUT 0x2C
#define NV40_RAMFC_SEMAPHORE 0x30
#define NV40_RAMFC_DMA_SUBROUTINE 0x34
#define NV40_RAMFC_GRCTX_INSTANCE_32E0 /* guess */ 0x38
#define NV40_RAMFC_GRCTX_INSTANCE /* guess */ 0x38
#define NV40_RAMFC_DMA_TIMESLICE 0x3C
#define NV40_RAMFC_UNK_40 0x40
#define NV40_RAMFC_UNK_44 0x44