diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv10_fifo.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv10_fifo.c | 278 |
1 files changed, 85 insertions, 193 deletions
diff --git a/drivers/gpu/drm/nouveau/nv10_fifo.c b/drivers/gpu/drm/nouveau/nv10_fifo.c index d2ecbff4bee1..f1fe7d758241 100644 --- a/drivers/gpu/drm/nouveau/nv10_fifo.c +++ b/drivers/gpu/drm/nouveau/nv10_fifo.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2007 Ben Skeggs. + * Copyright (C) 2012 Ben Skeggs. * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining @@ -27,220 +27,112 @@ #include "drmP.h" #include "drm.h" #include "nouveau_drv.h" +#include "nouveau_fifo.h" +#include "nouveau_util.h" #include "nouveau_ramht.h" -#define NV10_RAMFC(c) (dev_priv->ramfc->pinst + ((c) * NV10_RAMFC__SIZE)) -#define NV10_RAMFC__SIZE ((dev_priv->chipset) >= 0x17 ? 64 : 32) - -int -nv10_fifo_channel_id(struct drm_device *dev) -{ - return nv_rd32(dev, NV03_PFIFO_CACHE1_PUSH1) & - NV10_PFIFO_CACHE1_PUSH1_CHID_MASK; -} - -int -nv10_fifo_create_context(struct nouveau_channel *chan) +static struct ramfc_desc { + unsigned bits:6; + unsigned ctxs:5; + unsigned ctxp:8; + unsigned regs:5; + unsigned regp; +} nv10_ramfc[] = { + { 32, 0, 0x00, 0, NV04_PFIFO_CACHE1_DMA_PUT }, + { 32, 0, 0x04, 0, NV04_PFIFO_CACHE1_DMA_GET }, + { 32, 0, 0x08, 0, NV10_PFIFO_CACHE1_REF_CNT }, + { 16, 0, 0x0c, 0, NV04_PFIFO_CACHE1_DMA_INSTANCE }, + { 16, 16, 0x0c, 0, NV04_PFIFO_CACHE1_DMA_DCOUNT }, + { 32, 0, 0x10, 0, NV04_PFIFO_CACHE1_DMA_STATE }, + { 32, 0, 0x14, 0, NV04_PFIFO_CACHE1_DMA_FETCH }, + { 32, 0, 0x18, 0, NV04_PFIFO_CACHE1_ENGINE }, + { 32, 0, 0x1c, 0, NV04_PFIFO_CACHE1_PULL1 }, + {} +}; + +struct nv10_fifo_priv { + struct nouveau_fifo_priv base; + struct ramfc_desc *ramfc_desc; +}; + +struct nv10_fifo_chan { + struct nouveau_fifo_chan base; + struct nouveau_gpuobj *ramfc; +}; + +static int +nv10_fifo_context_new(struct nouveau_channel *chan, int engine) { - struct drm_nouveau_private *dev_priv = chan->dev->dev_private; struct drm_device *dev = chan->dev; - uint32_t fc = NV10_RAMFC(chan->id); + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nv10_fifo_priv *priv = nv_engine(dev, engine); + struct nv10_fifo_chan *fctx; + unsigned long flags; int ret; - ret = nouveau_gpuobj_new_fake(dev, NV10_RAMFC(chan->id), ~0, - NV10_RAMFC__SIZE, NVOBJ_FLAG_ZERO_ALLOC | - NVOBJ_FLAG_ZERO_FREE, &chan->ramfc); - if (ret) - return ret; + fctx = chan->engctx[engine] = kzalloc(sizeof(*fctx), GFP_KERNEL); + if (!fctx) + return -ENOMEM; + /* map channel control registers */ chan->user = ioremap(pci_resource_start(dev->pdev, 0) + NV03_USER(chan->id), PAGE_SIZE); - if (!chan->user) - return -ENOMEM; + if (!chan->user) { + ret = -ENOMEM; + goto error; + } - /* Fill entries that are seen filled in dumps of nvidia driver just - * after channel's is put into DMA mode - */ - nv_wi32(dev, fc + 0, chan->pushbuf_base); - nv_wi32(dev, fc + 4, chan->pushbuf_base); - nv_wi32(dev, fc + 12, chan->pushbuf->pinst >> 4); - nv_wi32(dev, fc + 20, NV_PFIFO_CACHE1_DMA_FETCH_TRIG_128_BYTES | - NV_PFIFO_CACHE1_DMA_FETCH_SIZE_128_BYTES | - NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_8 | + /* initialise default fifo context */ + ret = nouveau_gpuobj_new_fake(dev, dev_priv->ramfc->pinst + + chan->id * 32, ~0, 32, + NVOBJ_FLAG_ZERO_FREE, &fctx->ramfc); + if (ret) + goto error; + + nv_wo32(fctx->ramfc, 0x00, chan->pushbuf_base); + nv_wo32(fctx->ramfc, 0x04, chan->pushbuf_base); + nv_wo32(fctx->ramfc, 0x08, 0x00000000); + nv_wo32(fctx->ramfc, 0x0c, chan->pushbuf->pinst >> 4); + nv_wo32(fctx->ramfc, 0x10, 0x00000000); + nv_wo32(fctx->ramfc, 0x14, NV_PFIFO_CACHE1_DMA_FETCH_TRIG_128_BYTES | + NV_PFIFO_CACHE1_DMA_FETCH_SIZE_128_BYTES | #ifdef __BIG_ENDIAN - NV_PFIFO_CACHE1_BIG_ENDIAN | + NV_PFIFO_CACHE1_BIG_ENDIAN | #endif - 0); - - /* enable the fifo dma operation */ - nv_wr32(dev, NV04_PFIFO_MODE, - nv_rd32(dev, NV04_PFIFO_MODE) | (1 << chan->id)); - return 0; -} - -static void -nv10_fifo_do_load_context(struct drm_device *dev, int chid) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - uint32_t fc = NV10_RAMFC(chid), tmp; - - nv_wr32(dev, NV04_PFIFO_CACHE1_DMA_PUT, nv_ri32(dev, fc + 0)); - nv_wr32(dev, NV04_PFIFO_CACHE1_DMA_GET, nv_ri32(dev, fc + 4)); - nv_wr32(dev, NV10_PFIFO_CACHE1_REF_CNT, nv_ri32(dev, fc + 8)); - - tmp = nv_ri32(dev, fc + 12); - nv_wr32(dev, NV04_PFIFO_CACHE1_DMA_INSTANCE, tmp & 0xFFFF); - nv_wr32(dev, NV04_PFIFO_CACHE1_DMA_DCOUNT, tmp >> 16); - - nv_wr32(dev, NV04_PFIFO_CACHE1_DMA_STATE, nv_ri32(dev, fc + 16)); - nv_wr32(dev, NV04_PFIFO_CACHE1_DMA_FETCH, nv_ri32(dev, fc + 20)); - nv_wr32(dev, NV04_PFIFO_CACHE1_ENGINE, nv_ri32(dev, fc + 24)); - nv_wr32(dev, NV04_PFIFO_CACHE1_PULL1, nv_ri32(dev, fc + 28)); - - if (dev_priv->chipset < 0x17) - goto out; - - nv_wr32(dev, NV10_PFIFO_CACHE1_ACQUIRE_VALUE, nv_ri32(dev, fc + 32)); - tmp = nv_ri32(dev, fc + 36); - nv_wr32(dev, NV10_PFIFO_CACHE1_ACQUIRE_TIMESTAMP, tmp); - nv_wr32(dev, NV10_PFIFO_CACHE1_ACQUIRE_TIMEOUT, nv_ri32(dev, fc + 40)); - nv_wr32(dev, NV10_PFIFO_CACHE1_SEMAPHORE, nv_ri32(dev, fc + 44)); - nv_wr32(dev, NV10_PFIFO_CACHE1_DMA_SUBROUTINE, nv_ri32(dev, fc + 48)); - -out: - nv_wr32(dev, NV03_PFIFO_CACHE1_GET, 0); - nv_wr32(dev, NV03_PFIFO_CACHE1_PUT, 0); -} - -int -nv10_fifo_load_context(struct nouveau_channel *chan) -{ - struct drm_device *dev = chan->dev; - uint32_t tmp; - - nv10_fifo_do_load_context(dev, chan->id); + NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_8); + nv_wo32(fctx->ramfc, 0x18, 0x00000000); + nv_wo32(fctx->ramfc, 0x1c, 0x00000000); - nv_wr32(dev, NV03_PFIFO_CACHE1_PUSH1, - NV03_PFIFO_CACHE1_PUSH1_DMA | chan->id); - nv_wr32(dev, NV04_PFIFO_CACHE1_DMA_PUSH, 1); + /* enable dma mode on the channel */ + spin_lock_irqsave(&dev_priv->context_switch_lock, flags); + nv_mask(dev, NV04_PFIFO_MODE, (1 << chan->id), (1 << chan->id)); + spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags); - /* Reset NV04_PFIFO_CACHE1_DMA_CTL_AT_INFO to INVALID */ - tmp = nv_rd32(dev, NV04_PFIFO_CACHE1_DMA_CTL) & ~(1 << 31); - nv_wr32(dev, NV04_PFIFO_CACHE1_DMA_CTL, tmp); - - return 0; +error: + if (ret) + priv->base.base.context_del(chan, engine); + return ret; } int -nv10_fifo_unload_context(struct drm_device *dev) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nouveau_fifo_engine *pfifo = &dev_priv->engine.fifo; - uint32_t fc, tmp; - int chid; - - chid = pfifo->channel_id(dev); - if (chid < 0 || chid >= dev_priv->engine.fifo.channels) - return 0; - fc = NV10_RAMFC(chid); - - nv_wi32(dev, fc + 0, nv_rd32(dev, NV04_PFIFO_CACHE1_DMA_PUT)); - nv_wi32(dev, fc + 4, nv_rd32(dev, NV04_PFIFO_CACHE1_DMA_GET)); - nv_wi32(dev, fc + 8, nv_rd32(dev, NV10_PFIFO_CACHE1_REF_CNT)); - tmp = nv_rd32(dev, NV04_PFIFO_CACHE1_DMA_INSTANCE) & 0xFFFF; - tmp |= (nv_rd32(dev, NV04_PFIFO_CACHE1_DMA_DCOUNT) << 16); - nv_wi32(dev, fc + 12, tmp); - nv_wi32(dev, fc + 16, nv_rd32(dev, NV04_PFIFO_CACHE1_DMA_STATE)); - nv_wi32(dev, fc + 20, nv_rd32(dev, NV04_PFIFO_CACHE1_DMA_FETCH)); - nv_wi32(dev, fc + 24, nv_rd32(dev, NV04_PFIFO_CACHE1_ENGINE)); - nv_wi32(dev, fc + 28, nv_rd32(dev, NV04_PFIFO_CACHE1_PULL1)); - - if (dev_priv->chipset < 0x17) - goto out; - - nv_wi32(dev, fc + 32, nv_rd32(dev, NV10_PFIFO_CACHE1_ACQUIRE_VALUE)); - tmp = nv_rd32(dev, NV10_PFIFO_CACHE1_ACQUIRE_TIMESTAMP); - nv_wi32(dev, fc + 36, tmp); - nv_wi32(dev, fc + 40, nv_rd32(dev, NV10_PFIFO_CACHE1_ACQUIRE_TIMEOUT)); - nv_wi32(dev, fc + 44, nv_rd32(dev, NV10_PFIFO_CACHE1_SEMAPHORE)); - nv_wi32(dev, fc + 48, nv_rd32(dev, NV04_PFIFO_CACHE1_DMA_GET)); - -out: - nv10_fifo_do_load_context(dev, pfifo->channels - 1); - nv_wr32(dev, NV03_PFIFO_CACHE1_PUSH1, pfifo->channels - 1); - return 0; -} - -static void -nv10_fifo_init_reset(struct drm_device *dev) -{ - nv_wr32(dev, NV03_PMC_ENABLE, - nv_rd32(dev, NV03_PMC_ENABLE) & ~NV_PMC_ENABLE_PFIFO); - nv_wr32(dev, NV03_PMC_ENABLE, - nv_rd32(dev, NV03_PMC_ENABLE) | NV_PMC_ENABLE_PFIFO); - - nv_wr32(dev, 0x003224, 0x000f0078); - nv_wr32(dev, 0x002044, 0x0101ffff); - nv_wr32(dev, 0x002040, 0x000000ff); - nv_wr32(dev, 0x002500, 0x00000000); - nv_wr32(dev, 0x003000, 0x00000000); - nv_wr32(dev, 0x003050, 0x00000000); - - nv_wr32(dev, 0x003258, 0x00000000); - nv_wr32(dev, 0x003210, 0x00000000); - nv_wr32(dev, 0x003270, 0x00000000); -} - -static void -nv10_fifo_init_ramxx(struct drm_device *dev) +nv10_fifo_create(struct drm_device *dev) { struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nv10_fifo_priv *priv; - nv_wr32(dev, NV03_PFIFO_RAMHT, (0x03 << 24) /* search 128 */ | - ((dev_priv->ramht->bits - 9) << 16) | - (dev_priv->ramht->gpuobj->pinst >> 8)); - nv_wr32(dev, NV03_PFIFO_RAMRO, dev_priv->ramro->pinst >> 8); + priv = kzalloc(sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; - if (dev_priv->chipset < 0x17) { - nv_wr32(dev, NV03_PFIFO_RAMFC, dev_priv->ramfc->pinst >> 8); - } else { - nv_wr32(dev, NV03_PFIFO_RAMFC, (dev_priv->ramfc->pinst >> 8) | - (1 << 16) /* 64 Bytes entry*/); - /* XXX nvidia blob set bit 18, 21,23 for nv20 & nv30 */ - } -} + priv->base.base.destroy = nv04_fifo_destroy; + priv->base.base.init = nv04_fifo_init; + priv->base.base.fini = nv04_fifo_fini; + priv->base.base.context_new = nv10_fifo_context_new; + priv->base.base.context_del = nv04_fifo_context_del; + priv->base.channels = 31; + priv->ramfc_desc = nv10_ramfc; + dev_priv->eng[NVOBJ_ENGINE_FIFO] = &priv->base.base; -static void -nv10_fifo_init_intr(struct drm_device *dev) -{ nouveau_irq_register(dev, 8, nv04_fifo_isr); - nv_wr32(dev, 0x002100, 0xffffffff); - nv_wr32(dev, 0x002140, 0xffffffff); -} - -int -nv10_fifo_init(struct drm_device *dev) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nouveau_fifo_engine *pfifo = &dev_priv->engine.fifo; - int i; - - nv10_fifo_init_reset(dev); - nv10_fifo_init_ramxx(dev); - - nv10_fifo_do_load_context(dev, pfifo->channels - 1); - nv_wr32(dev, NV03_PFIFO_CACHE1_PUSH1, pfifo->channels - 1); - - nv10_fifo_init_intr(dev); - pfifo->enable(dev); - pfifo->reassign(dev, true); - - for (i = 0; i < dev_priv->engine.fifo.channels; i++) { - if (dev_priv->channels.ptr[i]) { - uint32_t mode = nv_rd32(dev, NV04_PFIFO_MODE); - nv_wr32(dev, NV04_PFIFO_MODE, mode | (1 << i)); - } - } - return 0; } |