diff options
Diffstat (limited to 'shared-core/nouveau_fifo.c')
| -rw-r--r-- | shared-core/nouveau_fifo.c | 70 |
1 files changed, 43 insertions, 27 deletions
diff --git a/shared-core/nouveau_fifo.c b/shared-core/nouveau_fifo.c index de23f96d..da9a8630 100644 --- a/shared-core/nouveau_fifo.c +++ b/shared-core/nouveau_fifo.c @@ -110,7 +110,6 @@ static void nouveau_fifo_init(drm_device_t* dev) NV_WRITE(NV_PFIFO_CACH1_PUL1, 0x00000001); NV_WRITE(NV_PGRAPH_CTX_USER, 0x0); - NV_WRITE(NV_PGRAPH_CTX_SWITCH1, 0x19); NV_WRITE(NV_PFIFO_DELAY_0, 0xff /* retrycount*/ ); if (dev_priv->card_type >= NV_40) NV_WRITE(NV_PGRAPH_CTX_CONTROL, 0x00002001); @@ -187,7 +186,7 @@ static int nouveau_fifo_alloc(drm_device_t* dev,drm_nouveau_fifo_alloc_t* init, int i; int ret; drm_nouveau_private_t *dev_priv = dev->dev_private; - uint32_t ctx_addr; + 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 @@ -219,54 +218,71 @@ static int nouveau_fifo_alloc(drm_device_t* dev,drm_nouveau_fifo_alloc_t* init, dev_priv->fifos[i].used=1; dev_priv->fifos[i].filp=filp; + init->channel = i; + init->put_base = i*dev_priv->cmdbuf_ch_size; + dev_priv->cur_fifo = init->channel; + nouveau_wait_for_idle(dev); /* disable the fifo caches */ NV_WRITE(NV_PFIFO_CACHES, 0x00000000); - // FIXME i*32 is true on nv04, what is it on >=nv10 ? - ctx_addr=NV_RAMIN+dev_priv->ramfc_offset+i*32; - - // clear the first 2 RAMFC entries - // FIXME try to fill GET/PUT and see what that changes - NV_WRITE(ctx_addr,0x0); - NV_WRITE(ctx_addr+4,0x0); + if (dev_priv->card_type <= NV_04) + ctx_size=32; + else + ctx_size=128; - // FIXME that's what is done in nvosdk, but that part of the code is buggy so... - // RAMFC + 8 = instoffset - NV_WRITE(ctx_addr+8,dev_priv->cmdbuf_obj->instance >> 4); + 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); - // RAMFC + 16 = defaultFetch - 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_WRITE(ctx_addr,init->put_base); + NV_WRITE(ctx_addr+4,init->put_base); + if (dev_priv->card_type <= NV_04) + { + // 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 + } /* enable the fifo dma operation */ - NV_WRITE(NV_PFIFO_MODE,NV_READ(NV_PFIFO_MODE)|(1<<i)); + NV_WRITE(NV_PFIFO_MODE,NV_READ(NV_PFIFO_MODE)|(1<<init->channel)); // FIXME check if we need to refill the time quota with something like NV_WRITE(0x204C, 0x0003FFFF); - dev_priv->cur_fifo=i; if (dev_priv->card_type >= NV_40) NV_WRITE(NV_PFIFO_CACH1_PSH1, 0x00010000|dev_priv->cur_fifo); else NV_WRITE(NV_PFIFO_CACH1_PSH1, 0x00000100|dev_priv->cur_fifo); - init->channel = i; - init->put_base = i*dev_priv->cmdbuf_ch_size; - - NV_WRITE(NV03_FIFO_REGS_DMAPUT(i), init->put_base); - NV_WRITE(NV03_FIFO_REGS_DMAGET(i), init->put_base); NV_WRITE(NV_PFIFO_CACH1_DMAP, init->put_base); NV_WRITE(NV_PFIFO_CACH1_DMAG, init->put_base); + NV_WRITE(NV03_FIFO_REGS_DMAPUT(init->channel), init->put_base); + NV_WRITE(NV03_FIFO_REGS_DMAGET(init->channel), init->put_base); /* reenable the fifo caches */ NV_WRITE(NV_PFIFO_CACHES, 0x00000001); /* make the fifo available to user space */ /* first, the fifo control regs */ - init->ctrl = dev_priv->mmio->offset + NV03_FIFO_REGS(i); + init->ctrl = dev_priv->mmio->offset + NV03_FIFO_REGS(init->channel); init->ctrl_size = NV03_FIFO_REGS_SIZE; ret = drm_addmap(dev, init->ctrl, init->ctrl_size, _DRM_REGISTERS, - 0, &dev_priv->fifos[i].regs); + 0, &dev_priv->fifos[init->channel].regs); if (ret != 0) return ret; @@ -275,14 +291,14 @@ static int nouveau_fifo_alloc(drm_device_t* dev,drm_nouveau_fifo_alloc_t* init, init->cmdbuf += init->channel * dev_priv->cmdbuf_ch_size; init->cmdbuf_size = dev_priv->cmdbuf_ch_size; ret = drm_addmap(dev, init->cmdbuf, init->cmdbuf_size, _DRM_REGISTERS, - 0, &dev_priv->fifos[i].map); + 0, &dev_priv->fifos[init->channel].map); if (ret != 0) return ret; /* FIFO has no objects yet */ - dev_priv->fifos[i].objs = NULL; + dev_priv->fifos[init->channel].objs = NULL; - DRM_INFO("%s: initialised FIFO %d\n", __func__, i); + DRM_INFO("%s: initialised FIFO %d\n", __func__, init->channel); return 0; } @@ -291,7 +307,7 @@ void nouveau_fifo_free(drm_device_t* dev,int n) { drm_nouveau_private_t *dev_priv = dev->dev_private; dev_priv->fifos[n].used=0; - DRM_DEBUG("%s: freeing fifo %d\n", __func__, n); + DRM_INFO("%s: freeing fifo %d\n", __func__, n); /* disable the fifo caches */ NV_WRITE(NV_PFIFO_CACHES, 0x00000000); |