diff options
Diffstat (limited to 'shared-core/nv50_fifo.c')
-rw-r--r-- | shared-core/nv50_fifo.c | 268 |
1 files changed, 256 insertions, 12 deletions
diff --git a/shared-core/nv50_fifo.c b/shared-core/nv50_fifo.c index e5d37949..7859544a 100644 --- a/shared-core/nv50_fifo.c +++ b/shared-core/nv50_fifo.c @@ -28,55 +28,299 @@ #include "drm.h" #include "nouveau_drv.h" +typedef struct { + struct nouveau_gpuobj_ref *thingo; +} nv50_fifo_priv; + +#define IS_G80 ((dev_priv->chipset & 0xf0) == 0x50) + static void -nv50_fifo_init_reset(drm_device_t *dev) +nv50_fifo_init_thingo(struct drm_device *dev) { - drm_nouveau_private_t *dev_priv = dev->dev_private; + struct drm_nouveau_private *dev_priv = dev->dev_private; + nv50_fifo_priv *priv = dev_priv->Engine.fifo.priv; + struct nouveau_gpuobj_ref *thingo = priv->thingo; + int i, fi=2; + + DRM_DEBUG("\n"); + + INSTANCE_WR(thingo->gpuobj, 0, 0x7e); + INSTANCE_WR(thingo->gpuobj, 1, 0x7e); + for (i = 1; i < 127; i++, fi) { + if (dev_priv->fifos[i]) { + INSTANCE_WR(thingo->gpuobj, fi, i); + fi++; + } + } + + NV_WRITE(0x32f4, thingo->instance >> 12); + NV_WRITE(0x32ec, fi); + NV_WRITE(0x2500, 0x101); +} + +static int +nv50_fifo_channel_enable(struct drm_device *dev, int channel, int nt) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_channel *chan = dev_priv->fifos[channel]; + uint32_t inst; + + DRM_DEBUG("ch%d\n", channel); + + if (!chan->ramfc) + return -EINVAL; + + if (IS_G80) inst = chan->ramfc->instance >> 12; + else inst = chan->ramfc->instance >> 8; + NV_WRITE(NV50_PFIFO_CTX_TABLE(channel), + inst | NV50_PFIFO_CTX_TABLE_CHANNEL_ENABLED); + + if (!nt) nv50_fifo_init_thingo(dev); + return 0; +} + +static void +nv50_fifo_channel_disable(struct drm_device *dev, int channel, int nt) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + uint32_t inst; + + DRM_DEBUG("ch%d, nt=%d\n", channel, nt); + + if (IS_G80) inst = NV50_PFIFO_CTX_TABLE_INSTANCE_MASK_G80; + else inst = NV50_PFIFO_CTX_TABLE_INSTANCE_MASK_G84; + NV_WRITE(NV50_PFIFO_CTX_TABLE(channel), inst); + + if (!nt) nv50_fifo_init_thingo(dev); +} + +static void +nv50_fifo_init_reset(struct drm_device *dev) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; uint32_t pmc_e; + DRM_DEBUG("\n"); + pmc_e = NV_READ(NV03_PMC_ENABLE); NV_WRITE(NV03_PMC_ENABLE, pmc_e & ~NV_PMC_ENABLE_PFIFO); pmc_e = NV_READ(NV03_PMC_ENABLE); NV_WRITE(NV03_PMC_ENABLE, pmc_e | NV_PMC_ENABLE_PFIFO); } +static void +nv50_fifo_init_intr(struct drm_device *dev) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + + DRM_DEBUG("\n"); + + NV_WRITE(NV03_PFIFO_INTR_0, 0xFFFFFFFF); + NV_WRITE(NV03_PFIFO_INTR_EN_0, 0xFFFFFFFF); +} + +static void +nv50_fifo_init_context_table(struct drm_device *dev) +{ + int i; + + DRM_DEBUG("\n"); + + for (i = 0; i < NV50_PFIFO_CTX_TABLE__SIZE; i++) + nv50_fifo_channel_disable(dev, i, 1); + nv50_fifo_init_thingo(dev); +} + +static void +nv50_fifo_init_regs__nv(struct drm_device *dev) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + + DRM_DEBUG("\n"); + + NV_WRITE(0x250c, 0x6f3cfc34); +} + +static int +nv50_fifo_init_regs(struct drm_device *dev) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + + DRM_DEBUG("\n"); + + NV_WRITE(0x2500, 0); + NV_WRITE(0x3250, 0); + NV_WRITE(0x3220, 0); + NV_WRITE(0x3204, 0); + NV_WRITE(0x3210, 0); + NV_WRITE(0x3270, 0); + + /* Enable dummy channels setup by nv50_instmem.c */ + nv50_fifo_channel_enable(dev, 0, 1); + nv50_fifo_channel_enable(dev, 127, 1); + + return 0; +} + int -nv50_fifo_init(drm_device_t *dev) +nv50_fifo_init(struct drm_device *dev) { + struct drm_nouveau_private *dev_priv = dev->dev_private; + nv50_fifo_priv *priv; + int ret; + + DRM_DEBUG("\n"); + + priv = drm_calloc(1, sizeof(*priv), DRM_MEM_DRIVER); + if (!priv) + return -ENOMEM; + dev_priv->Engine.fifo.priv = priv; + nv50_fifo_init_reset(dev); + nv50_fifo_init_intr(dev); + + if ((ret = nouveau_gpuobj_new_ref(dev, NULL, NULL, 0, (128+2)*4, 0x1000, + NVOBJ_FLAG_ZERO_ALLOC, + &priv->thingo))) { + DRM_ERROR("error creating thingo: %d\n", ret); + return ret; + } + + nv50_fifo_init_context_table(dev); + + nv50_fifo_init_regs__nv(dev); + if ((ret = nv50_fifo_init_regs(dev))) + return ret; - DRM_ERROR("stub!\n"); return 0; } void -nv50_fifo_takedown(drm_device_t *dev) +nv50_fifo_takedown(struct drm_device *dev) { - DRM_ERROR("stub!\n"); + struct drm_nouveau_private *dev_priv = dev->dev_private; + nv50_fifo_priv *priv = dev_priv->Engine.fifo.priv; + + DRM_DEBUG("\n"); + + if (!priv) + return; + + nouveau_gpuobj_ref_del(dev, &priv->thingo); + + dev_priv->Engine.fifo.priv = NULL; + drm_free(priv, sizeof(*priv), DRM_MEM_DRIVER); } int -nv50_fifo_create_context(drm_device_t *dev, int channel) +nv50_fifo_create_context(struct nouveau_channel *chan) { - DRM_ERROR("stub!\n"); + struct drm_device *dev = chan->dev; + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_gpuobj *ramfc = NULL; + int ret; + + DRM_DEBUG("ch%d\n", chan->id); + + if (IS_G80) { + uint32_t ramfc_offset = chan->ramin->gpuobj->im_pramin->start; + uint32_t vram_offset = chan->ramin->gpuobj->im_backing->start; + if ((ret = nouveau_gpuobj_new_fake(dev, ramfc_offset, + vram_offset, 0x100, + NVOBJ_FLAG_ZERO_ALLOC | + NVOBJ_FLAG_ZERO_FREE, + &ramfc, &chan->ramfc))) + return ret; + } else { + if ((ret = nouveau_gpuobj_new_ref(dev, chan, NULL, 0, 0x100, + 256, + NVOBJ_FLAG_ZERO_ALLOC | + NVOBJ_FLAG_ZERO_FREE, + &chan->ramfc))) + return ret; + ramfc = chan->ramfc->gpuobj; + } + + INSTANCE_WR(ramfc, 0x48/4, chan->pushbuf->instance >> 4); + INSTANCE_WR(ramfc, 0x80/4, (0xc << 24) | (chan->ramht->instance >> 4)); + INSTANCE_WR(ramfc, 0x3c/4, 0x000f0078); /* fetch? */ + INSTANCE_WR(ramfc, 0x44/4, 0x2101ffff); + INSTANCE_WR(ramfc, 0x60/4, 0x7fffffff); + INSTANCE_WR(ramfc, 0x10/4, 0x00000000); + INSTANCE_WR(ramfc, 0x08/4, 0x00000000); + INSTANCE_WR(ramfc, 0x40/4, 0x00000000); + INSTANCE_WR(ramfc, 0x50/4, 0x2039b2e0); + INSTANCE_WR(ramfc, 0x54/4, 0x000f0000); + INSTANCE_WR(ramfc, 0x7c/4, 0x30000001); + INSTANCE_WR(ramfc, 0x78/4, 0x00000000); + INSTANCE_WR(ramfc, 0x4c/4, chan->pushbuf_mem->size - 1); + + if (!IS_G80) { + INSTANCE_WR(chan->ramin->gpuobj, 0, chan->id); + INSTANCE_WR(chan->ramin->gpuobj, 1, chan->ramfc->instance); + + INSTANCE_WR(ramfc, 0x88/4, 0x3d520); /* some vram addy >> 10 */ + INSTANCE_WR(ramfc, 0x98/4, chan->ramin->instance >> 12); + } + + if ((ret = nv50_fifo_channel_enable(dev, chan->id, 0))) { + DRM_ERROR("error enabling ch%d: %d\n", chan->id, ret); + nouveau_gpuobj_ref_del(dev, &chan->ramfc); + return ret; + } + return 0; } void -nv50_fifo_destroy_context(drm_device_t *dev, int channel) +nv50_fifo_destroy_context(struct nouveau_channel *chan) { + struct drm_device *dev = chan->dev; + + DRM_DEBUG("ch%d\n", chan->id); + + nv50_fifo_channel_disable(dev, chan->id, 0); + + /* Dummy channel, also used on ch 127 */ + if (chan->id == 0) + nv50_fifo_channel_disable(dev, 127, 0); + + nouveau_gpuobj_ref_del(dev, &chan->ramfc); } int -nv50_fifo_load_context(drm_device_t *dev, int channel) +nv50_fifo_load_context(struct nouveau_channel *chan) { - DRM_ERROR("stub!\n"); + struct drm_device *dev = chan->dev; + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_gpuobj *ramfc = chan->ramfc->gpuobj; + + DRM_DEBUG("ch%d\n", chan->id); + + /*XXX: incomplete, only touches the regs that NV does */ + + NV_WRITE(0x3244, 0); + NV_WRITE(0x3240, 0); + + NV_WRITE(0x3224, INSTANCE_RD(ramfc, 0x3c/4)); + NV_WRITE(NV04_PFIFO_CACHE1_DMA_INSTANCE, INSTANCE_RD(ramfc, 0x48/4)); + NV_WRITE(0x3234, INSTANCE_RD(ramfc, 0x4c/4)); + NV_WRITE(0x3254, 1); + NV_WRITE(NV03_PFIFO_RAMHT, INSTANCE_RD(ramfc, 0x80/4)); + + if (!IS_G80) { + NV_WRITE(0x340c, INSTANCE_RD(ramfc, 0x88/4)); + NV_WRITE(0x3410, INSTANCE_RD(ramfc, 0x98/4)); + } + + NV_WRITE(NV03_PFIFO_CACHE1_PUSH1, chan->id | (1<<16)); return 0; } int -nv50_fifo_save_context(drm_device_t *dev, int channel) +nv50_fifo_save_context(struct nouveau_channel *chan) { + DRM_DEBUG("ch%d\n", chan->id); DRM_ERROR("stub!\n"); return 0; } |