diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv04_fifo.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv04_fifo.c | 532 |
1 files changed, 0 insertions, 532 deletions
diff --git a/drivers/gpu/drm/nouveau/nv04_fifo.c b/drivers/gpu/drm/nouveau/nv04_fifo.c deleted file mode 100644 index f89d104698d..00000000000 --- a/drivers/gpu/drm/nouveau/nv04_fifo.c +++ /dev/null @@ -1,532 +0,0 @@ -/* - * 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" -#include "nouveau_ramht.h" -#include "nouveau_util.h" - -#define NV04_RAMFC(c) (dev_priv->ramfc->pinst + ((c) * NV04_RAMFC__SIZE)) -#define NV04_RAMFC__SIZE 32 -#define NV04_RAMFC_DMA_PUT 0x00 -#define NV04_RAMFC_DMA_GET 0x04 -#define NV04_RAMFC_DMA_INSTANCE 0x08 -#define NV04_RAMFC_DMA_STATE 0x0C -#define NV04_RAMFC_DMA_FETCH 0x10 -#define NV04_RAMFC_ENGINE 0x14 -#define NV04_RAMFC_PULL1_ENGINE 0x18 - -#define RAMFC_WR(offset, val) nv_wo32(chan->ramfc, NV04_RAMFC_##offset, (val)) -#define RAMFC_RD(offset) nv_ro32(chan->ramfc, NV04_RAMFC_##offset) - -void -nv04_fifo_disable(struct drm_device *dev) -{ - uint32_t tmp; - - tmp = nv_rd32(dev, NV04_PFIFO_CACHE1_DMA_PUSH); - nv_wr32(dev, NV04_PFIFO_CACHE1_DMA_PUSH, tmp & ~1); - nv_wr32(dev, NV03_PFIFO_CACHE1_PUSH0, 0); - tmp = nv_rd32(dev, NV03_PFIFO_CACHE1_PULL1); - nv_wr32(dev, NV04_PFIFO_CACHE1_PULL0, tmp & ~1); -} - -void -nv04_fifo_enable(struct drm_device *dev) -{ - nv_wr32(dev, NV03_PFIFO_CACHE1_PUSH0, 1); - nv_wr32(dev, NV04_PFIFO_CACHE1_PULL0, 1); -} - -bool -nv04_fifo_reassign(struct drm_device *dev, bool enable) -{ - uint32_t reassign = nv_rd32(dev, NV03_PFIFO_CACHES); - - nv_wr32(dev, NV03_PFIFO_CACHES, enable ? 1 : 0); - return (reassign == 1); -} - -bool -nv04_fifo_cache_pull(struct drm_device *dev, bool enable) -{ - int pull = nv_mask(dev, NV04_PFIFO_CACHE1_PULL0, 1, enable); - - if (!enable) { - /* In some cases the PFIFO puller may be left in an - * inconsistent state if you try to stop it when it's - * busy translating handles. Sometimes you get a - * PFIFO_CACHE_ERROR, sometimes it just fails silently - * sending incorrect instance offsets to PGRAPH after - * it's started up again. To avoid the latter we - * invalidate the most recently calculated instance. - */ - if (!nv_wait(dev, NV04_PFIFO_CACHE1_PULL0, - NV04_PFIFO_CACHE1_PULL0_HASH_BUSY, 0)) - NV_ERROR(dev, "Timeout idling the PFIFO puller.\n"); - - if (nv_rd32(dev, NV04_PFIFO_CACHE1_PULL0) & - NV04_PFIFO_CACHE1_PULL0_HASH_FAILED) - nv_wr32(dev, NV03_PFIFO_INTR_0, - NV_PFIFO_INTR_CACHE_ERROR); - - nv_wr32(dev, NV04_PFIFO_CACHE1_HASH, 0); - } - - return pull & 1; -} - -int -nv04_fifo_channel_id(struct drm_device *dev) -{ - return nv_rd32(dev, NV03_PFIFO_CACHE1_PUSH1) & - NV03_PFIFO_CACHE1_PUSH1_CHID_MASK; -} - -#ifdef __BIG_ENDIAN -#define DMA_FETCH_ENDIANNESS NV_PFIFO_CACHE1_BIG_ENDIAN -#else -#define DMA_FETCH_ENDIANNESS 0 -#endif - -int -nv04_fifo_create_context(struct nouveau_channel *chan) -{ - struct drm_device *dev = chan->dev; - struct drm_nouveau_private *dev_priv = dev->dev_private; - unsigned long flags; - int ret; - - ret = nouveau_gpuobj_new_fake(dev, NV04_RAMFC(chan->id), ~0, - NV04_RAMFC__SIZE, - NVOBJ_FLAG_ZERO_ALLOC | - NVOBJ_FLAG_ZERO_FREE, - &chan->ramfc); - if (ret) - return ret; - - chan->user = ioremap(pci_resource_start(dev->pdev, 0) + - NV03_USER(chan->id), PAGE_SIZE); - if (!chan->user) - return -ENOMEM; - - spin_lock_irqsave(&dev_priv->context_switch_lock, flags); - - /* Setup initial state */ - RAMFC_WR(DMA_PUT, chan->pushbuf_base); - RAMFC_WR(DMA_GET, chan->pushbuf_base); - RAMFC_WR(DMA_INSTANCE, chan->pushbuf->pinst >> 4); - RAMFC_WR(DMA_FETCH, (NV_PFIFO_CACHE1_DMA_FETCH_TRIG_128_BYTES | - NV_PFIFO_CACHE1_DMA_FETCH_SIZE_128_BYTES | - NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_8 | - DMA_FETCH_ENDIANNESS)); - - /* enable the fifo dma operation */ - nv_wr32(dev, NV04_PFIFO_MODE, - nv_rd32(dev, NV04_PFIFO_MODE) | (1 << chan->id)); - - spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags); - return 0; -} - -void -nv04_fifo_destroy_context(struct nouveau_channel *chan) -{ - struct drm_device *dev = chan->dev; - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nouveau_fifo_engine *pfifo = &dev_priv->engine.fifo; - unsigned long flags; - - spin_lock_irqsave(&dev_priv->context_switch_lock, flags); - pfifo->reassign(dev, false); - - /* Unload the context if it's the currently active one */ - if (pfifo->channel_id(dev) == chan->id) { - pfifo->disable(dev); - pfifo->unload_context(dev); - pfifo->enable(dev); - } - - /* Keep it from being rescheduled */ - nv_mask(dev, NV04_PFIFO_MODE, 1 << chan->id, 0); - - pfifo->reassign(dev, true); - spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags); - - /* Free the channel resources */ - if (chan->user) { - iounmap(chan->user); - chan->user = NULL; - } - nouveau_gpuobj_ref(NULL, &chan->ramfc); -} - -static void -nv04_fifo_do_load_context(struct drm_device *dev, int chid) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - uint32_t fc = NV04_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)); - tmp = nv_ri32(dev, fc + 8); - 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 + 12)); - nv_wr32(dev, NV04_PFIFO_CACHE1_DMA_FETCH, nv_ri32(dev, fc + 16)); - nv_wr32(dev, NV04_PFIFO_CACHE1_ENGINE, nv_ri32(dev, fc + 20)); - nv_wr32(dev, NV04_PFIFO_CACHE1_PULL1, nv_ri32(dev, fc + 24)); - - nv_wr32(dev, NV03_PFIFO_CACHE1_GET, 0); - nv_wr32(dev, NV03_PFIFO_CACHE1_PUT, 0); -} - -int -nv04_fifo_load_context(struct nouveau_channel *chan) -{ - uint32_t tmp; - - nv_wr32(chan->dev, NV03_PFIFO_CACHE1_PUSH1, - NV03_PFIFO_CACHE1_PUSH1_DMA | chan->id); - nv04_fifo_do_load_context(chan->dev, chan->id); - nv_wr32(chan->dev, NV04_PFIFO_CACHE1_DMA_PUSH, 1); - - /* Reset NV04_PFIFO_CACHE1_DMA_CTL_AT_INFO to INVALID */ - tmp = nv_rd32(chan->dev, NV04_PFIFO_CACHE1_DMA_CTL) & ~(1 << 31); - nv_wr32(chan->dev, NV04_PFIFO_CACHE1_DMA_CTL, tmp); - - return 0; -} - -int -nv04_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; - struct nouveau_channel *chan = NULL; - uint32_t tmp; - int chid; - - chid = pfifo->channel_id(dev); - if (chid < 0 || chid >= dev_priv->engine.fifo.channels) - return 0; - - chan = dev_priv->channels.ptr[chid]; - if (!chan) { - NV_ERROR(dev, "Inactive channel on PFIFO: %d\n", chid); - return -EINVAL; - } - - RAMFC_WR(DMA_PUT, nv_rd32(dev, NV04_PFIFO_CACHE1_DMA_PUT)); - RAMFC_WR(DMA_GET, nv_rd32(dev, NV04_PFIFO_CACHE1_DMA_GET)); - tmp = nv_rd32(dev, NV04_PFIFO_CACHE1_DMA_DCOUNT) << 16; - tmp |= nv_rd32(dev, NV04_PFIFO_CACHE1_DMA_INSTANCE); - RAMFC_WR(DMA_INSTANCE, tmp); - RAMFC_WR(DMA_STATE, nv_rd32(dev, NV04_PFIFO_CACHE1_DMA_STATE)); - RAMFC_WR(DMA_FETCH, nv_rd32(dev, NV04_PFIFO_CACHE1_DMA_FETCH)); - RAMFC_WR(ENGINE, nv_rd32(dev, NV04_PFIFO_CACHE1_ENGINE)); - RAMFC_WR(PULL1_ENGINE, nv_rd32(dev, NV04_PFIFO_CACHE1_PULL1)); - - nv04_fifo_do_load_context(dev, pfifo->channels - 1); - nv_wr32(dev, NV03_PFIFO_CACHE1_PUSH1, pfifo->channels - 1); - return 0; -} - -static void -nv04_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, 0x003200, 0x00000000); - nv_wr32(dev, 0x003250, 0x00000000); - nv_wr32(dev, 0x003220, 0x00000000); - - nv_wr32(dev, 0x003250, 0x00000000); - nv_wr32(dev, 0x003270, 0x00000000); - nv_wr32(dev, 0x003210, 0x00000000); -} - -static void -nv04_fifo_init_ramxx(struct drm_device *dev) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - - 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); - nv_wr32(dev, NV03_PFIFO_RAMFC, dev_priv->ramfc->pinst >> 8); -} - -static void -nv04_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 -nv04_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; - - nv04_fifo_init_reset(dev); - nv04_fifo_init_ramxx(dev); - - nv04_fifo_do_load_context(dev, pfifo->channels - 1); - nv_wr32(dev, NV03_PFIFO_CACHE1_PUSH1, pfifo->channels - 1); - - nv04_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; -} - -void -nv04_fifo_fini(struct drm_device *dev) -{ - nv_wr32(dev, 0x2140, 0x00000000); - nouveau_irq_unregister(dev, 8); -} - -static bool -nouveau_fifo_swmthd(struct drm_device *dev, u32 chid, u32 addr, u32 data) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nouveau_channel *chan = NULL; - struct nouveau_gpuobj *obj; - unsigned long flags; - const int subc = (addr >> 13) & 0x7; - const int mthd = addr & 0x1ffc; - bool handled = false; - u32 engine; - - spin_lock_irqsave(&dev_priv->channels.lock, flags); - if (likely(chid >= 0 && chid < dev_priv->engine.fifo.channels)) - chan = dev_priv->channels.ptr[chid]; - if (unlikely(!chan)) - goto out; - - switch (mthd) { - case 0x0000: /* bind object to subchannel */ - obj = nouveau_ramht_find(chan, data); - if (unlikely(!obj || obj->engine != NVOBJ_ENGINE_SW)) - break; - - chan->sw_subchannel[subc] = obj->class; - engine = 0x0000000f << (subc * 4); - - nv_mask(dev, NV04_PFIFO_CACHE1_ENGINE, engine, 0x00000000); - handled = true; - break; - default: - engine = nv_rd32(dev, NV04_PFIFO_CACHE1_ENGINE); - if (unlikely(((engine >> (subc * 4)) & 0xf) != 0)) - break; - - if (!nouveau_gpuobj_mthd_call(chan, chan->sw_subchannel[subc], - mthd, data)) - handled = true; - break; - } - -out: - spin_unlock_irqrestore(&dev_priv->channels.lock, flags); - return handled; -} - -void -nv04_fifo_isr(struct drm_device *dev) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nouveau_engine *engine = &dev_priv->engine; - uint32_t status, reassign; - int cnt = 0; - - reassign = nv_rd32(dev, NV03_PFIFO_CACHES) & 1; - while ((status = nv_rd32(dev, NV03_PFIFO_INTR_0)) && (cnt++ < 100)) { - uint32_t chid, get; - - nv_wr32(dev, NV03_PFIFO_CACHES, 0); - - chid = engine->fifo.channel_id(dev); - get = nv_rd32(dev, NV03_PFIFO_CACHE1_GET); - - if (status & NV_PFIFO_INTR_CACHE_ERROR) { - uint32_t mthd, data; - int ptr; - - /* NV_PFIFO_CACHE1_GET actually goes to 0xffc before - * wrapping on my G80 chips, but CACHE1 isn't big - * enough for this much data.. Tests show that it - * wraps around to the start at GET=0x800.. No clue - * as to why.. - */ - ptr = (get & 0x7ff) >> 2; - - if (dev_priv->card_type < NV_40) { - mthd = nv_rd32(dev, - NV04_PFIFO_CACHE1_METHOD(ptr)); - data = nv_rd32(dev, - NV04_PFIFO_CACHE1_DATA(ptr)); - } else { - mthd = nv_rd32(dev, - NV40_PFIFO_CACHE1_METHOD(ptr)); - data = nv_rd32(dev, - NV40_PFIFO_CACHE1_DATA(ptr)); - } - - if (!nouveau_fifo_swmthd(dev, chid, mthd, data)) { - NV_INFO(dev, "PFIFO_CACHE_ERROR - Ch %d/%d " - "Mthd 0x%04x Data 0x%08x\n", - chid, (mthd >> 13) & 7, mthd & 0x1ffc, - data); - } - - nv_wr32(dev, NV04_PFIFO_CACHE1_DMA_PUSH, 0); - nv_wr32(dev, NV03_PFIFO_INTR_0, - NV_PFIFO_INTR_CACHE_ERROR); - - nv_wr32(dev, NV03_PFIFO_CACHE1_PUSH0, - nv_rd32(dev, NV03_PFIFO_CACHE1_PUSH0) & ~1); - nv_wr32(dev, NV03_PFIFO_CACHE1_GET, get + 4); - nv_wr32(dev, NV03_PFIFO_CACHE1_PUSH0, - nv_rd32(dev, NV03_PFIFO_CACHE1_PUSH0) | 1); - nv_wr32(dev, NV04_PFIFO_CACHE1_HASH, 0); - - nv_wr32(dev, NV04_PFIFO_CACHE1_DMA_PUSH, - nv_rd32(dev, NV04_PFIFO_CACHE1_DMA_PUSH) | 1); - nv_wr32(dev, NV04_PFIFO_CACHE1_PULL0, 1); - - status &= ~NV_PFIFO_INTR_CACHE_ERROR; - } - - if (status & NV_PFIFO_INTR_DMA_PUSHER) { - u32 dma_get = nv_rd32(dev, 0x003244); - u32 dma_put = nv_rd32(dev, 0x003240); - u32 push = nv_rd32(dev, 0x003220); - u32 state = nv_rd32(dev, 0x003228); - - if (dev_priv->card_type == NV_50) { - u32 ho_get = nv_rd32(dev, 0x003328); - u32 ho_put = nv_rd32(dev, 0x003320); - u32 ib_get = nv_rd32(dev, 0x003334); - u32 ib_put = nv_rd32(dev, 0x003330); - - if (nouveau_ratelimit()) - NV_INFO(dev, "PFIFO_DMA_PUSHER - Ch %d Get 0x%02x%08x " - "Put 0x%02x%08x IbGet 0x%08x IbPut 0x%08x " - "State 0x%08x Push 0x%08x\n", - chid, ho_get, dma_get, ho_put, - dma_put, ib_get, ib_put, state, - push); - - /* METHOD_COUNT, in DMA_STATE on earlier chipsets */ - nv_wr32(dev, 0x003364, 0x00000000); - if (dma_get != dma_put || ho_get != ho_put) { - nv_wr32(dev, 0x003244, dma_put); - nv_wr32(dev, 0x003328, ho_put); - } else - if (ib_get != ib_put) { - nv_wr32(dev, 0x003334, ib_put); - } - } else { - NV_INFO(dev, "PFIFO_DMA_PUSHER - Ch %d Get 0x%08x " - "Put 0x%08x State 0x%08x Push 0x%08x\n", - chid, dma_get, dma_put, state, push); - - if (dma_get != dma_put) - nv_wr32(dev, 0x003244, dma_put); - } - - nv_wr32(dev, 0x003228, 0x00000000); - nv_wr32(dev, 0x003220, 0x00000001); - nv_wr32(dev, 0x002100, NV_PFIFO_INTR_DMA_PUSHER); - status &= ~NV_PFIFO_INTR_DMA_PUSHER; - } - - if (status & NV_PFIFO_INTR_SEMAPHORE) { - uint32_t sem; - - status &= ~NV_PFIFO_INTR_SEMAPHORE; - nv_wr32(dev, NV03_PFIFO_INTR_0, - NV_PFIFO_INTR_SEMAPHORE); - - sem = nv_rd32(dev, NV10_PFIFO_CACHE1_SEMAPHORE); - nv_wr32(dev, NV10_PFIFO_CACHE1_SEMAPHORE, sem | 0x1); - - nv_wr32(dev, NV03_PFIFO_CACHE1_GET, get + 4); - nv_wr32(dev, NV04_PFIFO_CACHE1_PULL0, 1); - } - - if (dev_priv->card_type == NV_50) { - if (status & 0x00000010) { - nv50_fb_vm_trap(dev, 1, "PFIFO_BAR_FAULT"); - status &= ~0x00000010; - nv_wr32(dev, 0x002100, 0x00000010); - } - } - - if (status) { - if (nouveau_ratelimit()) - NV_INFO(dev, "PFIFO_INTR 0x%08x - Ch %d\n", - status, chid); - nv_wr32(dev, NV03_PFIFO_INTR_0, status); - status = 0; - } - - nv_wr32(dev, NV03_PFIFO_CACHES, reassign); - } - - if (status) { - NV_INFO(dev, "PFIFO still angry after %d spins, halt\n", cnt); - nv_wr32(dev, 0x2140, 0); - nv_wr32(dev, 0x140, 0); - } - - nv_wr32(dev, NV03_PMC_INTR_0, NV_PMC_INTR_0_PFIFO_PENDING); -} |
