diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv31_mpeg.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv31_mpeg.c | 346 |
1 files changed, 0 insertions, 346 deletions
diff --git a/drivers/gpu/drm/nouveau/nv31_mpeg.c b/drivers/gpu/drm/nouveau/nv31_mpeg.c deleted file mode 100644 index 818deb67588..00000000000 --- a/drivers/gpu/drm/nouveau/nv31_mpeg.c +++ /dev/null @@ -1,346 +0,0 @@ -/* - * Copyright 2011 Red Hat Inc. - * - * 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 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 HOLDER(S) OR AUTHOR(S) 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. - * - * Authors: Ben Skeggs - */ - -#include <drm/drmP.h> -#include "nouveau_drv.h" -#include "nouveau_fifo.h" -#include "nouveau_ramht.h" - -struct nv31_mpeg_engine { - struct nouveau_exec_engine base; - atomic_t refcount; -}; - - -static int -nv31_mpeg_context_new(struct nouveau_channel *chan, int engine) -{ - struct nv31_mpeg_engine *pmpeg = nv_engine(chan->dev, engine); - - if (!atomic_add_unless(&pmpeg->refcount, 1, 1)) - return -EBUSY; - - chan->engctx[engine] = (void *)0xdeadcafe; - return 0; -} - -static void -nv31_mpeg_context_del(struct nouveau_channel *chan, int engine) -{ - struct nv31_mpeg_engine *pmpeg = nv_engine(chan->dev, engine); - atomic_dec(&pmpeg->refcount); - chan->engctx[engine] = NULL; -} - -static int -nv40_mpeg_context_new(struct nouveau_channel *chan, int engine) -{ - struct drm_device *dev = chan->dev; - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nouveau_gpuobj *ctx = NULL; - unsigned long flags; - int ret; - - NV_DEBUG(dev, "ch%d\n", chan->id); - - ret = nouveau_gpuobj_new(dev, NULL, 264 * 4, 16, NVOBJ_FLAG_ZERO_ALLOC | - NVOBJ_FLAG_ZERO_FREE, &ctx); - if (ret) - return ret; - - nv_wo32(ctx, 0x78, 0x02001ec1); - - spin_lock_irqsave(&dev_priv->context_switch_lock, flags); - nv_mask(dev, 0x002500, 0x00000001, 0x00000000); - if ((nv_rd32(dev, 0x003204) & 0x1f) == chan->id) - nv_wr32(dev, 0x00330c, ctx->pinst >> 4); - nv_wo32(chan->ramfc, 0x54, ctx->pinst >> 4); - nv_mask(dev, 0x002500, 0x00000001, 0x00000001); - spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags); - - chan->engctx[engine] = ctx; - return 0; -} - -static void -nv40_mpeg_context_del(struct nouveau_channel *chan, int engine) -{ - struct drm_nouveau_private *dev_priv = chan->dev->dev_private; - struct nouveau_gpuobj *ctx = chan->engctx[engine]; - struct drm_device *dev = chan->dev; - unsigned long flags; - u32 inst = 0x80000000 | (ctx->pinst >> 4); - - spin_lock_irqsave(&dev_priv->context_switch_lock, flags); - nv_mask(dev, 0x00b32c, 0x00000001, 0x00000000); - if (nv_rd32(dev, 0x00b318) == inst) - nv_mask(dev, 0x00b318, 0x80000000, 0x00000000); - nv_mask(dev, 0x00b32c, 0x00000001, 0x00000001); - spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags); - - nouveau_gpuobj_ref(NULL, &ctx); - chan->engctx[engine] = NULL; -} - -static int -nv31_mpeg_object_new(struct nouveau_channel *chan, int engine, - u32 handle, u16 class) -{ - struct drm_device *dev = chan->dev; - struct nouveau_gpuobj *obj = NULL; - int ret; - - ret = nouveau_gpuobj_new(dev, chan, 20, 16, NVOBJ_FLAG_ZERO_ALLOC | - NVOBJ_FLAG_ZERO_FREE, &obj); - if (ret) - return ret; - obj->engine = 2; - obj->class = class; - - nv_wo32(obj, 0x00, class); - - ret = nouveau_ramht_insert(chan, handle, obj); - nouveau_gpuobj_ref(NULL, &obj); - return ret; -} - -static int -nv31_mpeg_init(struct drm_device *dev, int engine) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nv31_mpeg_engine *pmpeg = nv_engine(dev, engine); - int i; - - /* VPE init */ - nv_mask(dev, 0x000200, 0x00000002, 0x00000000); - nv_mask(dev, 0x000200, 0x00000002, 0x00000002); - nv_wr32(dev, 0x00b0e0, 0x00000020); /* nvidia: rd 0x01, wr 0x20 */ - nv_wr32(dev, 0x00b0e8, 0x00000020); /* nvidia: rd 0x01, wr 0x20 */ - - for (i = 0; i < dev_priv->engine.fb.num_tiles; i++) - pmpeg->base.set_tile_region(dev, i); - - /* PMPEG init */ - nv_wr32(dev, 0x00b32c, 0x00000000); - nv_wr32(dev, 0x00b314, 0x00000100); - nv_wr32(dev, 0x00b220, nv44_graph_class(dev) ? 0x00000044 : 0x00000031); - nv_wr32(dev, 0x00b300, 0x02001ec1); - nv_mask(dev, 0x00b32c, 0x00000001, 0x00000001); - - nv_wr32(dev, 0x00b100, 0xffffffff); - nv_wr32(dev, 0x00b140, 0xffffffff); - - if (!nv_wait(dev, 0x00b200, 0x00000001, 0x00000000)) { - NV_ERROR(dev, "PMPEG init: 0x%08x\n", nv_rd32(dev, 0x00b200)); - return -EBUSY; - } - - return 0; -} - -static int -nv31_mpeg_fini(struct drm_device *dev, int engine, bool suspend) -{ - /*XXX: context save? */ - nv_mask(dev, 0x00b32c, 0x00000001, 0x00000000); - nv_wr32(dev, 0x00b140, 0x00000000); - return 0; -} - -static int -nv31_mpeg_mthd_dma(struct nouveau_channel *chan, u32 class, u32 mthd, u32 data) -{ - struct drm_device *dev = chan->dev; - u32 inst = data << 4; - u32 dma0 = nv_ri32(dev, inst + 0); - u32 dma1 = nv_ri32(dev, inst + 4); - u32 dma2 = nv_ri32(dev, inst + 8); - u32 base = (dma2 & 0xfffff000) | (dma0 >> 20); - u32 size = dma1 + 1; - - /* only allow linear DMA objects */ - if (!(dma0 & 0x00002000)) - return -EINVAL; - - if (mthd == 0x0190) { - /* DMA_CMD */ - nv_mask(dev, 0x00b300, 0x00030000, (dma0 & 0x00030000)); - nv_wr32(dev, 0x00b334, base); - nv_wr32(dev, 0x00b324, size); - } else - if (mthd == 0x01a0) { - /* DMA_DATA */ - nv_mask(dev, 0x00b300, 0x000c0000, (dma0 & 0x00030000) << 2); - nv_wr32(dev, 0x00b360, base); - nv_wr32(dev, 0x00b364, size); - } else { - /* DMA_IMAGE, VRAM only */ - if (dma0 & 0x000c0000) - return -EINVAL; - - nv_wr32(dev, 0x00b370, base); - nv_wr32(dev, 0x00b374, size); - } - - return 0; -} - -static int -nv31_mpeg_isr_chid(struct drm_device *dev, u32 inst) -{ - struct nouveau_fifo_priv *pfifo = nv_engine(dev, NVOBJ_ENGINE_FIFO); - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nouveau_gpuobj *ctx; - unsigned long flags; - int i; - - /* hardcode drm channel id on nv3x, so swmthd lookup works */ - if (dev_priv->card_type < NV_40) - return 0; - - spin_lock_irqsave(&dev_priv->channels.lock, flags); - for (i = 0; i < pfifo->channels; i++) { - if (!dev_priv->channels.ptr[i]) - continue; - - ctx = dev_priv->channels.ptr[i]->engctx[NVOBJ_ENGINE_MPEG]; - if (ctx && ctx->pinst == inst) - break; - } - spin_unlock_irqrestore(&dev_priv->channels.lock, flags); - return i; -} - -static void -nv31_vpe_set_tile_region(struct drm_device *dev, int i) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nouveau_tile_reg *tile = &dev_priv->tile.reg[i]; - - nv_wr32(dev, 0x00b008 + (i * 0x10), tile->pitch); - nv_wr32(dev, 0x00b004 + (i * 0x10), tile->limit); - nv_wr32(dev, 0x00b000 + (i * 0x10), tile->addr); -} - -static void -nv31_mpeg_isr(struct drm_device *dev) -{ - u32 inst = (nv_rd32(dev, 0x00b318) & 0x000fffff) << 4; - u32 chid = nv31_mpeg_isr_chid(dev, inst); - u32 stat = nv_rd32(dev, 0x00b100); - u32 type = nv_rd32(dev, 0x00b230); - u32 mthd = nv_rd32(dev, 0x00b234); - u32 data = nv_rd32(dev, 0x00b238); - u32 show = stat; - - if (stat & 0x01000000) { - /* happens on initial binding of the object */ - if (type == 0x00000020 && mthd == 0x0000) { - nv_mask(dev, 0x00b308, 0x00000000, 0x00000000); - show &= ~0x01000000; - } - - if (type == 0x00000010) { - if (!nouveau_gpuobj_mthd_call2(dev, chid, 0x3174, mthd, data)) - show &= ~0x01000000; - } - } - - nv_wr32(dev, 0x00b100, stat); - nv_wr32(dev, 0x00b230, 0x00000001); - - if (show && nouveau_ratelimit()) { - NV_INFO(dev, "PMPEG: Ch %d [0x%08x] 0x%08x 0x%08x 0x%08x 0x%08x\n", - chid, inst, stat, type, mthd, data); - } -} - -static void -nv31_vpe_isr(struct drm_device *dev) -{ - if (nv_rd32(dev, 0x00b100)) - nv31_mpeg_isr(dev); - - if (nv_rd32(dev, 0x00b800)) { - u32 stat = nv_rd32(dev, 0x00b800); - NV_INFO(dev, "PMSRCH: 0x%08x\n", stat); - nv_wr32(dev, 0xb800, stat); - } -} - -static void -nv31_mpeg_destroy(struct drm_device *dev, int engine) -{ - struct nv31_mpeg_engine *pmpeg = nv_engine(dev, engine); - - nouveau_irq_unregister(dev, 0); - - NVOBJ_ENGINE_DEL(dev, MPEG); - kfree(pmpeg); -} - -int -nv31_mpeg_create(struct drm_device *dev) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nv31_mpeg_engine *pmpeg; - - pmpeg = kzalloc(sizeof(*pmpeg), GFP_KERNEL); - if (!pmpeg) - return -ENOMEM; - atomic_set(&pmpeg->refcount, 0); - - pmpeg->base.destroy = nv31_mpeg_destroy; - pmpeg->base.init = nv31_mpeg_init; - pmpeg->base.fini = nv31_mpeg_fini; - if (dev_priv->card_type < NV_40) { - pmpeg->base.context_new = nv31_mpeg_context_new; - pmpeg->base.context_del = nv31_mpeg_context_del; - } else { - pmpeg->base.context_new = nv40_mpeg_context_new; - pmpeg->base.context_del = nv40_mpeg_context_del; - } - pmpeg->base.object_new = nv31_mpeg_object_new; - - /* ISR vector, PMC_ENABLE bit, and TILE regs are shared between - * all VPE engines, for this driver's purposes the PMPEG engine - * will be treated as the "master" and handle the global VPE - * bits too - */ - pmpeg->base.set_tile_region = nv31_vpe_set_tile_region; - nouveau_irq_register(dev, 0, nv31_vpe_isr); - - NVOBJ_ENGINE_ADD(dev, MPEG, &pmpeg->base); - NVOBJ_CLASS(dev, 0x3174, MPEG); - NVOBJ_MTHD (dev, 0x3174, 0x0190, nv31_mpeg_mthd_dma); - NVOBJ_MTHD (dev, 0x3174, 0x01a0, nv31_mpeg_mthd_dma); - NVOBJ_MTHD (dev, 0x3174, 0x01b0, nv31_mpeg_mthd_dma); - -#if 0 - NVOBJ_ENGINE_ADD(dev, ME, &pme->base); - NVOBJ_CLASS(dev, 0x4075, ME); -#endif - return 0; - -} |