diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv40_fifo.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv40_fifo.c | 311 | 
1 files changed, 0 insertions, 311 deletions
diff --git a/drivers/gpu/drm/nouveau/nv40_fifo.c b/drivers/gpu/drm/nouveau/nv40_fifo.c deleted file mode 100644 index d337b8b28cd..00000000000 --- a/drivers/gpu/drm/nouveau/nv40_fifo.c +++ /dev/null @@ -1,311 +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 "nouveau_drv.h" -#include "nouveau_drm.h" -#include "nouveau_ramht.h" - -#define NV40_RAMFC(c) (dev_priv->ramfc->pinst + ((c) * NV40_RAMFC__SIZE)) -#define NV40_RAMFC__SIZE 128 - -int -nv40_fifo_create_context(struct nouveau_channel *chan) -{ -	struct drm_device *dev = chan->dev; -	struct drm_nouveau_private *dev_priv = dev->dev_private; -	uint32_t fc = NV40_RAMFC(chan->id); -	unsigned long flags; -	int ret; - -	ret = nouveau_gpuobj_new_fake(dev, NV40_RAMFC(chan->id), ~0, -				      NV40_RAMFC__SIZE, NVOBJ_FLAG_ZERO_ALLOC | -				      NVOBJ_FLAG_ZERO_FREE, &chan->ramfc); -	if (ret) -		return ret; - -	spin_lock_irqsave(&dev_priv->context_switch_lock, flags); - -	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 + 24, NV_PFIFO_CACHE1_DMA_FETCH_TRIG_128_BYTES | -			      NV_PFIFO_CACHE1_DMA_FETCH_SIZE_128_BYTES | -			      NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_8 | -#ifdef __BIG_ENDIAN -			      NV_PFIFO_CACHE1_BIG_ENDIAN | -#endif -			      0x30000000 /* no idea.. */); -	nv_wi32(dev, fc + 56, chan->ramin_grctx->pinst >> 4); -	nv_wi32(dev, fc + 60, 0x0001FFFF); - -	/* 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 -nv40_fifo_destroy_context(struct nouveau_channel *chan) -{ -	struct drm_device *dev = chan->dev; - -	nv_wr32(dev, NV04_PFIFO_MODE, -		nv_rd32(dev, NV04_PFIFO_MODE) & ~(1 << chan->id)); - -	nouveau_gpuobj_ref(NULL, &chan->ramfc); -} - -static void -nv40_fifo_do_load_context(struct drm_device *dev, int chid) -{ -	struct drm_nouveau_private *dev_priv = dev->dev_private; -	uint32_t fc = NV40_RAMFC(chid), tmp, tmp2; - -	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)); -	nv_wr32(dev, NV04_PFIFO_CACHE1_DMA_INSTANCE, nv_ri32(dev, fc + 12)); -	nv_wr32(dev, NV04_PFIFO_CACHE1_DMA_DCOUNT, nv_ri32(dev, fc + 16)); -	nv_wr32(dev, NV04_PFIFO_CACHE1_DMA_STATE, nv_ri32(dev, fc + 20)); - -	/* No idea what 0x2058 is.. */ -	tmp   = nv_ri32(dev, fc + 24); -	tmp2  = nv_rd32(dev, 0x2058) & 0xFFF; -	tmp2 |= (tmp & 0x30000000); -	nv_wr32(dev, 0x2058, tmp2); -	tmp  &= ~0x30000000; -	nv_wr32(dev, NV04_PFIFO_CACHE1_DMA_FETCH, tmp); - -	nv_wr32(dev, NV04_PFIFO_CACHE1_ENGINE, nv_ri32(dev, fc + 28)); -	nv_wr32(dev, NV04_PFIFO_CACHE1_PULL1, nv_ri32(dev, fc + 32)); -	nv_wr32(dev, NV10_PFIFO_CACHE1_ACQUIRE_VALUE, nv_ri32(dev, fc + 36)); -	tmp = nv_ri32(dev, fc + 40); -	nv_wr32(dev, NV10_PFIFO_CACHE1_ACQUIRE_TIMESTAMP, tmp); -	nv_wr32(dev, NV10_PFIFO_CACHE1_ACQUIRE_TIMEOUT, nv_ri32(dev, fc + 44)); -	nv_wr32(dev, NV10_PFIFO_CACHE1_SEMAPHORE, nv_ri32(dev, fc + 48)); -	nv_wr32(dev, NV10_PFIFO_CACHE1_DMA_SUBROUTINE, nv_ri32(dev, fc + 52)); -	nv_wr32(dev, NV40_PFIFO_GRCTX_INSTANCE, nv_ri32(dev, fc + 56)); - -	/* Don't clobber the TIMEOUT_ENABLED flag when restoring from RAMFC */ -	tmp  = nv_rd32(dev, NV04_PFIFO_DMA_TIMESLICE) & ~0x1FFFF; -	tmp |= nv_ri32(dev, fc + 60) & 0x1FFFF; -	nv_wr32(dev, NV04_PFIFO_DMA_TIMESLICE, tmp); - -	nv_wr32(dev, 0x32e4, nv_ri32(dev, fc + 64)); -	/* NVIDIA does this next line twice... */ -	nv_wr32(dev, 0x32e8, nv_ri32(dev, fc + 68)); -	nv_wr32(dev, 0x2088, nv_ri32(dev, fc + 76)); -	nv_wr32(dev, 0x3300, nv_ri32(dev, fc + 80)); - -	nv_wr32(dev, NV03_PFIFO_CACHE1_GET, 0); -	nv_wr32(dev, NV03_PFIFO_CACHE1_PUT, 0); -} - -int -nv40_fifo_load_context(struct nouveau_channel *chan) -{ -	struct drm_device *dev = chan->dev; -	uint32_t tmp; - -	nv40_fifo_do_load_context(dev, chan->id); - -	/* Set channel active, and in DMA mode */ -	nv_wr32(dev, NV03_PFIFO_CACHE1_PUSH1, -		     NV40_PFIFO_CACHE1_PUSH1_DMA | chan->id); -	nv_wr32(dev, NV04_PFIFO_CACHE1_DMA_PUSH, 1); - -	/* Reset 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; -} - -int -nv40_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 = NV40_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)); -	nv_wi32(dev, fc + 12, nv_rd32(dev, NV04_PFIFO_CACHE1_DMA_INSTANCE)); -	nv_wi32(dev, fc + 16, nv_rd32(dev, NV04_PFIFO_CACHE1_DMA_DCOUNT)); -	nv_wi32(dev, fc + 20, nv_rd32(dev, NV04_PFIFO_CACHE1_DMA_STATE)); -	tmp  = nv_rd32(dev, NV04_PFIFO_CACHE1_DMA_FETCH); -	tmp |= nv_rd32(dev, 0x2058) & 0x30000000; -	nv_wi32(dev, fc + 24, tmp); -	nv_wi32(dev, fc + 28, nv_rd32(dev, NV04_PFIFO_CACHE1_ENGINE)); -	nv_wi32(dev, fc + 32, nv_rd32(dev, NV04_PFIFO_CACHE1_PULL1)); -	nv_wi32(dev, fc + 36, nv_rd32(dev, NV10_PFIFO_CACHE1_ACQUIRE_VALUE)); -	tmp = nv_rd32(dev, NV10_PFIFO_CACHE1_ACQUIRE_TIMESTAMP); -	nv_wi32(dev, fc + 40, tmp); -	nv_wi32(dev, fc + 44, nv_rd32(dev, NV10_PFIFO_CACHE1_ACQUIRE_TIMEOUT)); -	nv_wi32(dev, fc + 48, nv_rd32(dev, NV10_PFIFO_CACHE1_SEMAPHORE)); -	/* NVIDIA read 0x3228 first, then write DMA_GET here.. maybe something -	 * more involved depending on the value of 0x3228? -	 */ -	nv_wi32(dev, fc + 52, nv_rd32(dev, NV04_PFIFO_CACHE1_DMA_GET)); -	nv_wi32(dev, fc + 56, nv_rd32(dev, NV40_PFIFO_GRCTX_INSTANCE)); -	nv_wi32(dev, fc + 60, nv_rd32(dev, NV04_PFIFO_DMA_TIMESLICE) & 0x1ffff); -	/* No idea what the below is for exactly, ripped from a mmio-trace */ -	nv_wi32(dev, fc + 64, nv_rd32(dev, NV40_PFIFO_UNK32E4)); -	/* NVIDIA do this next line twice.. bug? */ -	nv_wi32(dev, fc + 68, nv_rd32(dev, 0x32e8)); -	nv_wi32(dev, fc + 76, nv_rd32(dev, 0x2088)); -	nv_wi32(dev, fc + 80, nv_rd32(dev, 0x3300)); -#if 0 /* no real idea which is PUT/GET in UNK_48.. */ -	tmp  = nv_rd32(dev, NV04_PFIFO_CACHE1_GET); -	tmp |= (nv_rd32(dev, NV04_PFIFO_CACHE1_PUT) << 16); -	nv_wi32(dev, fc + 72, tmp); -#endif - -	nv40_fifo_do_load_context(dev, pfifo->channels - 1); -	nv_wr32(dev, NV03_PFIFO_CACHE1_PUSH1, -		     NV40_PFIFO_CACHE1_PUSH1_DMA | (pfifo->channels - 1)); -	return 0; -} - -static void -nv40_fifo_init_reset(struct drm_device *dev) -{ -	int i; - -	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, 0x003210, 0x00000000); -	nv_wr32(dev, 0x003270, 0x00000000); -	nv_wr32(dev, 0x003240, 0x00000000); -	nv_wr32(dev, 0x003244, 0x00000000); -	nv_wr32(dev, 0x003258, 0x00000000); -	nv_wr32(dev, 0x002504, 0x00000000); -	for (i = 0; i < 16; i++) -		nv_wr32(dev, 0x002510 + (i * 4), 0x00000000); -	nv_wr32(dev, 0x00250c, 0x0000ffff); -	nv_wr32(dev, 0x002048, 0x00000000); -	nv_wr32(dev, 0x003228, 0x00000000); -	nv_wr32(dev, 0x0032e8, 0x00000000); -	nv_wr32(dev, 0x002410, 0x00000000); -	nv_wr32(dev, 0x002420, 0x00000000); -	nv_wr32(dev, 0x002058, 0x00000001); -	nv_wr32(dev, 0x00221c, 0x00000000); -	/* something with 0x2084, read/modify/write, no change */ -	nv_wr32(dev, 0x002040, 0x000000ff); -	nv_wr32(dev, 0x002500, 0x00000000); -	nv_wr32(dev, 0x003200, 0x00000000); - -	nv_wr32(dev, NV04_PFIFO_DMA_TIMESLICE, 0x2101ffff); -} - -static void -nv40_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); - -	switch (dev_priv->chipset) { -	case 0x47: -	case 0x49: -	case 0x4b: -		nv_wr32(dev, 0x2230, 1); -		break; -	default: -		break; -	} - -	switch (dev_priv->chipset) { -	case 0x40: -	case 0x41: -	case 0x42: -	case 0x43: -	case 0x45: -	case 0x47: -	case 0x48: -	case 0x49: -	case 0x4b: -		nv_wr32(dev, NV40_PFIFO_RAMFC, 0x30002); -		break; -	default: -		nv_wr32(dev, 0x2230, 0); -		nv_wr32(dev, NV40_PFIFO_RAMFC, -			((dev_priv->vram_size - 512 * 1024 + -			  dev_priv->ramfc->pinst) >> 16) | (3 << 16)); -		break; -	} -} - -static void -nv40_fifo_init_intr(struct drm_device *dev) -{ -	nv_wr32(dev, 0x002100, 0xffffffff); -	nv_wr32(dev, 0x002140, 0xffffffff); -} - -int -nv40_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; - -	nv40_fifo_init_reset(dev); -	nv40_fifo_init_ramxx(dev); - -	nv40_fifo_do_load_context(dev, pfifo->channels - 1); -	nv_wr32(dev, NV03_PFIFO_CACHE1_PUSH1, pfifo->channels - 1); - -	nv40_fifo_init_intr(dev); -	pfifo->enable(dev); -	pfifo->reassign(dev, true); - -	for (i = 0; i < dev_priv->engine.fifo.channels; i++) { -		if (dev_priv->fifos[i]) { -			uint32_t mode = nv_rd32(dev, NV04_PFIFO_MODE); -			nv_wr32(dev, NV04_PFIFO_MODE, mode | (1 << i)); -		} -	} - -	return 0; -}  | 
