diff options
Diffstat (limited to 'shared-core/nv50_fifo.c')
| -rw-r--r-- | shared-core/nv50_fifo.c | 333 |
1 files changed, 333 insertions, 0 deletions
diff --git a/shared-core/nv50_fifo.c b/shared-core/nv50_fifo.c new file mode 100644 index 00000000..ee1fb887 --- /dev/null +++ b/shared-core/nv50_fifo.c @@ -0,0 +1,333 @@ +/* + * 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" + +typedef struct { + nouveau_gpuobj_ref_t *thingo; + nouveau_gpuobj_ref_t *dummyctx; +} nv50_fifo_priv; + +#define IS_G80 ((dev_priv->chipset & 0xf0) == 0x50) + +static void +nv50_fifo_init_thingo(drm_device_t *dev) +{ + drm_nouveau_private_t *dev_priv = dev->dev_private; + nv50_fifo_priv *priv = dev_priv->Engine.fifo.priv; + nouveau_gpuobj_ref_t *thingo = priv->thingo; + int i, fi=2; + + DRM_DEBUG("\n"); + + INSTANCE_WR(thingo->gpuobj, 0, 0x7e); + INSTANCE_WR(thingo->gpuobj, 1, 0x7e); + for (i = 0; i <NV_MAX_FIFO_NUMBER; 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(drm_device_t *dev, int channel) +{ + drm_nouveau_private_t *dev_priv = dev->dev_private; + struct nouveau_fifo *chan = dev_priv->fifos[channel]; + + DRM_DEBUG("ch%d\n", channel); + + if (IS_G80) { + if (!chan->ramin) + return DRM_ERR(EINVAL); + + NV_WRITE(NV50_PFIFO_CTX_TABLE(channel), + (chan->ramin->instance >> 12) | + NV50_PFIFO_CTX_TABLE_CHANNEL_ENABLED); + } else { + if (!chan->ramfc) + return DRM_ERR(EINVAL); + + NV_WRITE(NV50_PFIFO_CTX_TABLE(channel), + (chan->ramfc->instance >> 8) | + NV50_PFIFO_CTX_TABLE_CHANNEL_ENABLED); + } + + nv50_fifo_init_thingo(dev); + return 0; +} + +static void +nv50_fifo_channel_disable(drm_device_t *dev, int channel, int nt) +{ + drm_nouveau_private_t *dev_priv = dev->dev_private; + + DRM_DEBUG("ch%d, nt=%d\n", channel, nt); + + if (IS_G80) { + NV_WRITE(NV50_PFIFO_CTX_TABLE(channel), + NV50_PFIFO_CTX_TABLE_INSTANCE_MASK_G80); + } else { + NV_WRITE(NV50_PFIFO_CTX_TABLE(channel), + NV50_PFIFO_CTX_TABLE_INSTANCE_MASK_G84); + } + + if (!nt) nv50_fifo_init_thingo(dev); +} + +static void +nv50_fifo_init_reset(drm_device_t *dev) +{ + drm_nouveau_private_t *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_context_table(drm_device_t *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(drm_device_t *dev) +{ + drm_nouveau_private_t *dev_priv = dev->dev_private; + + DRM_DEBUG("\n"); + + NV_WRITE(0x250c, 0x6f3cfc34); +} + +static int +nv50_fifo_init_regs(drm_device_t *dev) +{ + drm_nouveau_private_t *dev_priv = dev->dev_private; + nv50_fifo_priv *priv = dev_priv->Engine.fifo.priv; + int ret; + + DRM_DEBUG("\n"); + + if ((ret = nouveau_gpuobj_new_ref(dev, -1, -1, 0, 0x1000, + 0x1000, + NVOBJ_FLAG_ZERO_ALLOC | + NVOBJ_FLAG_ZERO_FREE, + &priv->dummyctx))) + return ret; + + NV_WRITE(0x2500, 0); + NV_WRITE(0x3250, 0); + NV_WRITE(0x3220, 0); + NV_WRITE(0x3204, 0); + NV_WRITE(0x3210, 0); + NV_WRITE(0x3270, 0); + + if (IS_G80) { + NV_WRITE(0x2600, (priv->dummyctx->instance>>8) | (1<<31)); + NV_WRITE(0x27fc, (priv->dummyctx->instance>>8) | (1<<31)); + } else { + NV_WRITE(0x2600, (priv->dummyctx->instance>>12) | (1<<31)); + NV_WRITE(0x27fc, (priv->dummyctx->instance>>12) | (1<<31)); + } + + return 0; +} + +int +nv50_fifo_init(drm_device_t *dev) +{ + drm_nouveau_private_t *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 DRM_ERR(ENOMEM); + dev_priv->Engine.fifo.priv = priv; + + nv50_fifo_init_reset(dev); + + if ((ret = nouveau_gpuobj_new_ref(dev, -1, -1, 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; + + return 0; +} + +void +nv50_fifo_takedown(drm_device_t *dev) +{ + drm_nouveau_private_t *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); + nouveau_gpuobj_ref_del(dev, &priv->dummyctx); + + 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) +{ + drm_nouveau_private_t *dev_priv = dev->dev_private; + struct nouveau_fifo *chan = dev_priv->fifos[channel]; + nouveau_gpuobj_t *ramfc = NULL; + int ret; + + DRM_DEBUG("ch%d\n", channel); + + if (IS_G80) { + uint32_t ramfc_offset = chan->ramin->gpuobj->im_pramin->start; + if ((ret = nouveau_gpuobj_new_fake(dev, ramfc_offset, 0x100, + NVOBJ_FLAG_ZERO_ALLOC | + NVOBJ_FLAG_ZERO_FREE, + &ramfc, &chan->ramfc))) + return ret; + } else { + if ((ret = nouveau_gpuobj_new_ref(dev, channel, -1, 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, 0x00007fff); + + if (!IS_G80) { + INSTANCE_WR(chan->ramin->gpuobj, 0, channel); + 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, channel))) { + DRM_ERROR("error enabling ch%d: %d\n", channel, ret); + nouveau_gpuobj_ref_del(dev, &chan->ramfc); + return ret; + } + + return 0; +} + +void +nv50_fifo_destroy_context(drm_device_t *dev, int channel) +{ + drm_nouveau_private_t *dev_priv = dev->dev_private; + struct nouveau_fifo *chan = dev_priv->fifos[channel]; + + DRM_DEBUG("ch%d\n", channel); + + nv50_fifo_channel_disable(dev, channel, 0); + nouveau_gpuobj_ref_del(dev, &chan->ramfc); +} + +int +nv50_fifo_load_context(drm_device_t *dev, int channel) +{ + drm_nouveau_private_t *dev_priv = dev->dev_private; + struct nouveau_fifo *chan = dev_priv->fifos[channel]; + nouveau_gpuobj_t *ramfc = chan->ramfc->gpuobj; + + DRM_DEBUG("ch%d\n", channel); + + /*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, channel | (1<<16)); + return 0; +} + +int +nv50_fifo_save_context(drm_device_t *dev, int channel) +{ + DRM_DEBUG("ch%d\n", channel); + DRM_ERROR("stub!\n"); + return 0; +} + |