mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-23 05:14:51 +07:00
308 lines
9.9 KiB
C
308 lines
9.9 KiB
C
/*
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* Copyright (C) 2007 Ben Skeggs.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#include "drmP.h"
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#include "nouveau_drv.h"
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#include "nouveau_drm.h"
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#include "nouveau_ramht.h"
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#define NV40_RAMFC(c) (dev_priv->ramfc->pinst + ((c) * NV40_RAMFC__SIZE))
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#define NV40_RAMFC__SIZE 128
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int
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nv40_fifo_create_context(struct nouveau_channel *chan)
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{
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struct drm_device *dev = chan->dev;
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struct drm_nouveau_private *dev_priv = dev->dev_private;
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uint32_t fc = NV40_RAMFC(chan->id);
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unsigned long flags;
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int ret;
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ret = nouveau_gpuobj_new_fake(dev, NV40_RAMFC(chan->id), ~0,
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NV40_RAMFC__SIZE, NVOBJ_FLAG_ZERO_ALLOC |
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NVOBJ_FLAG_ZERO_FREE, &chan->ramfc);
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if (ret)
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return ret;
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chan->user = ioremap(pci_resource_start(dev->pdev, 0) +
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NV40_USER(chan->id), PAGE_SIZE);
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if (!chan->user)
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return -ENOMEM;
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spin_lock_irqsave(&dev_priv->context_switch_lock, flags);
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nv_wi32(dev, fc + 0, chan->pushbuf_base);
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nv_wi32(dev, fc + 4, chan->pushbuf_base);
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nv_wi32(dev, fc + 12, chan->pushbuf->pinst >> 4);
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nv_wi32(dev, fc + 24, NV_PFIFO_CACHE1_DMA_FETCH_TRIG_128_BYTES |
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NV_PFIFO_CACHE1_DMA_FETCH_SIZE_128_BYTES |
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NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_8 |
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#ifdef __BIG_ENDIAN
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NV_PFIFO_CACHE1_BIG_ENDIAN |
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#endif
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0x30000000 /* no idea.. */);
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nv_wi32(dev, fc + 60, 0x0001FFFF);
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/* enable the fifo dma operation */
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nv_wr32(dev, NV04_PFIFO_MODE,
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nv_rd32(dev, NV04_PFIFO_MODE) | (1 << chan->id));
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spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags);
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return 0;
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}
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static void
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nv40_fifo_do_load_context(struct drm_device *dev, int chid)
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{
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struct drm_nouveau_private *dev_priv = dev->dev_private;
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uint32_t fc = NV40_RAMFC(chid), tmp, tmp2;
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nv_wr32(dev, NV04_PFIFO_CACHE1_DMA_PUT, nv_ri32(dev, fc + 0));
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nv_wr32(dev, NV04_PFIFO_CACHE1_DMA_GET, nv_ri32(dev, fc + 4));
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nv_wr32(dev, NV10_PFIFO_CACHE1_REF_CNT, nv_ri32(dev, fc + 8));
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nv_wr32(dev, NV04_PFIFO_CACHE1_DMA_INSTANCE, nv_ri32(dev, fc + 12));
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nv_wr32(dev, NV04_PFIFO_CACHE1_DMA_DCOUNT, nv_ri32(dev, fc + 16));
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nv_wr32(dev, NV04_PFIFO_CACHE1_DMA_STATE, nv_ri32(dev, fc + 20));
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/* No idea what 0x2058 is.. */
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tmp = nv_ri32(dev, fc + 24);
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tmp2 = nv_rd32(dev, 0x2058) & 0xFFF;
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tmp2 |= (tmp & 0x30000000);
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nv_wr32(dev, 0x2058, tmp2);
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tmp &= ~0x30000000;
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nv_wr32(dev, NV04_PFIFO_CACHE1_DMA_FETCH, tmp);
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nv_wr32(dev, NV04_PFIFO_CACHE1_ENGINE, nv_ri32(dev, fc + 28));
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nv_wr32(dev, NV04_PFIFO_CACHE1_PULL1, nv_ri32(dev, fc + 32));
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nv_wr32(dev, NV10_PFIFO_CACHE1_ACQUIRE_VALUE, nv_ri32(dev, fc + 36));
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tmp = nv_ri32(dev, fc + 40);
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nv_wr32(dev, NV10_PFIFO_CACHE1_ACQUIRE_TIMESTAMP, tmp);
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nv_wr32(dev, NV10_PFIFO_CACHE1_ACQUIRE_TIMEOUT, nv_ri32(dev, fc + 44));
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nv_wr32(dev, NV10_PFIFO_CACHE1_SEMAPHORE, nv_ri32(dev, fc + 48));
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nv_wr32(dev, NV10_PFIFO_CACHE1_DMA_SUBROUTINE, nv_ri32(dev, fc + 52));
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nv_wr32(dev, NV40_PFIFO_GRCTX_INSTANCE, nv_ri32(dev, fc + 56));
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/* Don't clobber the TIMEOUT_ENABLED flag when restoring from RAMFC */
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tmp = nv_rd32(dev, NV04_PFIFO_DMA_TIMESLICE) & ~0x1FFFF;
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tmp |= nv_ri32(dev, fc + 60) & 0x1FFFF;
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nv_wr32(dev, NV04_PFIFO_DMA_TIMESLICE, tmp);
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nv_wr32(dev, 0x32e4, nv_ri32(dev, fc + 64));
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/* NVIDIA does this next line twice... */
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nv_wr32(dev, 0x32e8, nv_ri32(dev, fc + 68));
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nv_wr32(dev, 0x2088, nv_ri32(dev, fc + 76));
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nv_wr32(dev, 0x3300, nv_ri32(dev, fc + 80));
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nv_wr32(dev, 0x330c, nv_ri32(dev, fc + 84));
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nv_wr32(dev, NV03_PFIFO_CACHE1_GET, 0);
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nv_wr32(dev, NV03_PFIFO_CACHE1_PUT, 0);
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}
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int
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nv40_fifo_load_context(struct nouveau_channel *chan)
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{
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struct drm_device *dev = chan->dev;
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uint32_t tmp;
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nv40_fifo_do_load_context(dev, chan->id);
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/* Set channel active, and in DMA mode */
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nv_wr32(dev, NV03_PFIFO_CACHE1_PUSH1,
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NV40_PFIFO_CACHE1_PUSH1_DMA | chan->id);
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nv_wr32(dev, NV04_PFIFO_CACHE1_DMA_PUSH, 1);
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/* Reset DMA_CTL_AT_INFO to INVALID */
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tmp = nv_rd32(dev, NV04_PFIFO_CACHE1_DMA_CTL) & ~(1 << 31);
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nv_wr32(dev, NV04_PFIFO_CACHE1_DMA_CTL, tmp);
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return 0;
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}
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int
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nv40_fifo_unload_context(struct drm_device *dev)
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{
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struct drm_nouveau_private *dev_priv = dev->dev_private;
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struct nouveau_fifo_engine *pfifo = &dev_priv->engine.fifo;
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uint32_t fc, tmp;
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int chid;
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chid = pfifo->channel_id(dev);
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if (chid < 0 || chid >= dev_priv->engine.fifo.channels)
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return 0;
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fc = NV40_RAMFC(chid);
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nv_wi32(dev, fc + 0, nv_rd32(dev, NV04_PFIFO_CACHE1_DMA_PUT));
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nv_wi32(dev, fc + 4, nv_rd32(dev, NV04_PFIFO_CACHE1_DMA_GET));
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nv_wi32(dev, fc + 8, nv_rd32(dev, NV10_PFIFO_CACHE1_REF_CNT));
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nv_wi32(dev, fc + 12, nv_rd32(dev, NV04_PFIFO_CACHE1_DMA_INSTANCE));
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nv_wi32(dev, fc + 16, nv_rd32(dev, NV04_PFIFO_CACHE1_DMA_DCOUNT));
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nv_wi32(dev, fc + 20, nv_rd32(dev, NV04_PFIFO_CACHE1_DMA_STATE));
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tmp = nv_rd32(dev, NV04_PFIFO_CACHE1_DMA_FETCH);
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tmp |= nv_rd32(dev, 0x2058) & 0x30000000;
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nv_wi32(dev, fc + 24, tmp);
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nv_wi32(dev, fc + 28, nv_rd32(dev, NV04_PFIFO_CACHE1_ENGINE));
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nv_wi32(dev, fc + 32, nv_rd32(dev, NV04_PFIFO_CACHE1_PULL1));
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nv_wi32(dev, fc + 36, nv_rd32(dev, NV10_PFIFO_CACHE1_ACQUIRE_VALUE));
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tmp = nv_rd32(dev, NV10_PFIFO_CACHE1_ACQUIRE_TIMESTAMP);
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nv_wi32(dev, fc + 40, tmp);
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nv_wi32(dev, fc + 44, nv_rd32(dev, NV10_PFIFO_CACHE1_ACQUIRE_TIMEOUT));
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nv_wi32(dev, fc + 48, nv_rd32(dev, NV10_PFIFO_CACHE1_SEMAPHORE));
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/* NVIDIA read 0x3228 first, then write DMA_GET here.. maybe something
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* more involved depending on the value of 0x3228?
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*/
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nv_wi32(dev, fc + 52, nv_rd32(dev, NV04_PFIFO_CACHE1_DMA_GET));
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nv_wi32(dev, fc + 56, nv_rd32(dev, NV40_PFIFO_GRCTX_INSTANCE));
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nv_wi32(dev, fc + 60, nv_rd32(dev, NV04_PFIFO_DMA_TIMESLICE) & 0x1ffff);
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/* No idea what the below is for exactly, ripped from a mmio-trace */
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nv_wi32(dev, fc + 64, nv_rd32(dev, NV40_PFIFO_UNK32E4));
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/* NVIDIA do this next line twice.. bug? */
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nv_wi32(dev, fc + 68, nv_rd32(dev, 0x32e8));
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nv_wi32(dev, fc + 76, nv_rd32(dev, 0x2088));
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nv_wi32(dev, fc + 80, nv_rd32(dev, 0x3300));
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#if 0 /* no real idea which is PUT/GET in UNK_48.. */
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tmp = nv_rd32(dev, NV04_PFIFO_CACHE1_GET);
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tmp |= (nv_rd32(dev, NV04_PFIFO_CACHE1_PUT) << 16);
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nv_wi32(dev, fc + 72, tmp);
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#endif
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nv_wi32(dev, fc + 84, nv_rd32(dev, 0x330c));
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nv40_fifo_do_load_context(dev, pfifo->channels - 1);
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nv_wr32(dev, NV03_PFIFO_CACHE1_PUSH1,
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NV40_PFIFO_CACHE1_PUSH1_DMA | (pfifo->channels - 1));
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return 0;
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}
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static void
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nv40_fifo_init_reset(struct drm_device *dev)
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{
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int i;
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nv_wr32(dev, NV03_PMC_ENABLE,
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nv_rd32(dev, NV03_PMC_ENABLE) & ~NV_PMC_ENABLE_PFIFO);
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nv_wr32(dev, NV03_PMC_ENABLE,
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nv_rd32(dev, NV03_PMC_ENABLE) | NV_PMC_ENABLE_PFIFO);
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nv_wr32(dev, 0x003224, 0x000f0078);
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nv_wr32(dev, 0x003210, 0x00000000);
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nv_wr32(dev, 0x003270, 0x00000000);
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nv_wr32(dev, 0x003240, 0x00000000);
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nv_wr32(dev, 0x003244, 0x00000000);
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nv_wr32(dev, 0x003258, 0x00000000);
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nv_wr32(dev, 0x002504, 0x00000000);
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for (i = 0; i < 16; i++)
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nv_wr32(dev, 0x002510 + (i * 4), 0x00000000);
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nv_wr32(dev, 0x00250c, 0x0000ffff);
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nv_wr32(dev, 0x002048, 0x00000000);
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nv_wr32(dev, 0x003228, 0x00000000);
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nv_wr32(dev, 0x0032e8, 0x00000000);
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nv_wr32(dev, 0x002410, 0x00000000);
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nv_wr32(dev, 0x002420, 0x00000000);
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nv_wr32(dev, 0x002058, 0x00000001);
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nv_wr32(dev, 0x00221c, 0x00000000);
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/* something with 0x2084, read/modify/write, no change */
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nv_wr32(dev, 0x002040, 0x000000ff);
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nv_wr32(dev, 0x002500, 0x00000000);
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nv_wr32(dev, 0x003200, 0x00000000);
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nv_wr32(dev, NV04_PFIFO_DMA_TIMESLICE, 0x2101ffff);
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}
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static void
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nv40_fifo_init_ramxx(struct drm_device *dev)
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{
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struct drm_nouveau_private *dev_priv = dev->dev_private;
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nv_wr32(dev, NV03_PFIFO_RAMHT, (0x03 << 24) /* search 128 */ |
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((dev_priv->ramht->bits - 9) << 16) |
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(dev_priv->ramht->gpuobj->pinst >> 8));
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nv_wr32(dev, NV03_PFIFO_RAMRO, dev_priv->ramro->pinst >> 8);
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switch (dev_priv->chipset) {
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case 0x47:
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case 0x49:
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case 0x4b:
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nv_wr32(dev, 0x2230, 1);
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break;
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default:
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break;
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}
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switch (dev_priv->chipset) {
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case 0x40:
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case 0x41:
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case 0x42:
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case 0x43:
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case 0x45:
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case 0x47:
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case 0x48:
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case 0x49:
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case 0x4b:
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nv_wr32(dev, NV40_PFIFO_RAMFC, 0x30002);
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break;
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default:
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nv_wr32(dev, 0x2230, 0);
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nv_wr32(dev, NV40_PFIFO_RAMFC,
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((dev_priv->vram_size - 512 * 1024 +
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dev_priv->ramfc->pinst) >> 16) | (3 << 16));
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break;
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}
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}
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static void
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nv40_fifo_init_intr(struct drm_device *dev)
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{
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nouveau_irq_register(dev, 8, nv04_fifo_isr);
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nv_wr32(dev, 0x002100, 0xffffffff);
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nv_wr32(dev, 0x002140, 0xffffffff);
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}
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int
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nv40_fifo_init(struct drm_device *dev)
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{
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struct drm_nouveau_private *dev_priv = dev->dev_private;
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struct nouveau_fifo_engine *pfifo = &dev_priv->engine.fifo;
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int i;
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nv40_fifo_init_reset(dev);
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nv40_fifo_init_ramxx(dev);
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nv40_fifo_do_load_context(dev, pfifo->channels - 1);
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nv_wr32(dev, NV03_PFIFO_CACHE1_PUSH1, pfifo->channels - 1);
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nv40_fifo_init_intr(dev);
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pfifo->enable(dev);
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pfifo->reassign(dev, true);
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for (i = 0; i < dev_priv->engine.fifo.channels; i++) {
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if (dev_priv->channels.ptr[i]) {
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uint32_t mode = nv_rd32(dev, NV04_PFIFO_MODE);
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nv_wr32(dev, NV04_PFIFO_MODE, mode | (1 << i));
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}
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}
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return 0;
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}
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