summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--shared-core/nouveau_fifo.c124
-rw-r--r--shared-core/nouveau_reg.h2
2 files changed, 80 insertions, 46 deletions
diff --git a/shared-core/nouveau_fifo.c b/shared-core/nouveau_fifo.c
index 5b8cabd8..96c3c5e3 100644
--- a/shared-core/nouveau_fifo.c
+++ b/shared-core/nouveau_fifo.c
@@ -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));
diff --git a/shared-core/nouveau_reg.h b/shared-core/nouveau_reg.h
index c74feeb3..7a0f429a 100644
--- a/shared-core/nouveau_reg.h
+++ b/shared-core/nouveau_reg.h
@@ -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
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-04 09:26:15 +0000