diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv40_fifo.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv40_fifo.c | 352 |
1 files changed, 127 insertions, 225 deletions
diff --git a/drivers/gpu/drm/nouveau/nv40_fifo.c b/drivers/gpu/drm/nouveau/nv40_fifo.c index 8d346617f55f..cdc818479b0a 100644 --- a/drivers/gpu/drm/nouveau/nv40_fifo.c +++ b/drivers/gpu/drm/nouveau/nv40_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 @@ -25,215 +25,123 @@ */ #include "drmP.h" +#include "drm.h" #include "nouveau_drv.h" -#include "nouveau_drm.h" +#include "nouveau_fifo.h" +#include "nouveau_util.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) +static struct ramfc_desc { + unsigned bits:6; + unsigned ctxs:5; + unsigned ctxp:8; + unsigned regs:5; + unsigned regp; +} nv40_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 }, + { 32, 0, 0x0c, 0, NV04_PFIFO_CACHE1_DMA_INSTANCE }, + { 32, 0, 0x10, 0, NV04_PFIFO_CACHE1_DMA_DCOUNT }, + { 32, 0, 0x14, 0, NV04_PFIFO_CACHE1_DMA_STATE }, + { 28, 0, 0x18, 0, NV04_PFIFO_CACHE1_DMA_FETCH }, + { 2, 28, 0x18, 28, 0x002058 }, + { 32, 0, 0x1c, 0, NV04_PFIFO_CACHE1_ENGINE }, + { 32, 0, 0x20, 0, NV04_PFIFO_CACHE1_PULL1 }, + { 32, 0, 0x24, 0, NV10_PFIFO_CACHE1_ACQUIRE_VALUE }, + { 32, 0, 0x28, 0, NV10_PFIFO_CACHE1_ACQUIRE_TIMESTAMP }, + { 32, 0, 0x2c, 0, NV10_PFIFO_CACHE1_ACQUIRE_TIMEOUT }, + { 32, 0, 0x30, 0, NV10_PFIFO_CACHE1_SEMAPHORE }, + { 32, 0, 0x34, 0, NV10_PFIFO_CACHE1_DMA_SUBROUTINE }, + { 32, 0, 0x38, 0, NV40_PFIFO_GRCTX_INSTANCE }, + { 17, 0, 0x3c, 0, NV04_PFIFO_DMA_TIMESLICE }, + { 32, 0, 0x40, 0, 0x0032e4 }, + { 32, 0, 0x44, 0, 0x0032e8 }, + { 32, 0, 0x4c, 0, 0x002088 }, + { 32, 0, 0x50, 0, 0x003300 }, + { 32, 0, 0x54, 0, 0x00330c }, + {} +}; + +struct nv40_fifo_priv { + struct nouveau_fifo_priv base; + struct ramfc_desc *ramfc_desc; +}; + +struct nv40_fifo_chan { + struct nouveau_fifo_chan base; + struct nouveau_gpuobj *ramfc; +}; + +static int +nv40_fifo_context_new(struct nouveau_channel *chan, int engine) { struct drm_device *dev = chan->dev; struct drm_nouveau_private *dev_priv = dev->dev_private; - uint32_t fc = NV40_RAMFC(chan->id); + struct nv40_fifo_priv *priv = nv_engine(dev, engine); + struct nv40_fifo_chan *fctx; 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; - - chan->user = ioremap(pci_resource_start(dev->pdev, 0) + - NV40_USER(chan->id), PAGE_SIZE); - if (!chan->user) + fctx = chan->engctx[engine] = kzalloc(sizeof(*fctx), GFP_KERNEL); + if (!fctx) return -ENOMEM; - spin_lock_irqsave(&dev_priv->context_switch_lock, flags); + /* map channel control registers */ + chan->user = ioremap(pci_resource_start(dev->pdev, 0) + + NV03_USER(chan->id), PAGE_SIZE); + if (!chan->user) { + ret = -ENOMEM; + goto error; + } - 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 | + /* initialise default fifo context */ + ret = nouveau_gpuobj_new_fake(dev, dev_priv->ramfc->pinst + + chan->id * 128, ~0, 128, + NVOBJ_FLAG_ZERO_ALLOC | + 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, 0x0c, chan->pushbuf->pinst >> 4); + nv_wo32(fctx->ramfc, 0x18, 0x30000000 | + 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 - 0x30000000 /* no idea.. */); - 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)); + NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_8); + nv_wo32(fctx->ramfc, 0x3c, 0x0001ffff); + /* 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); - return 0; -} - -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, 0x330c, nv_ri32(dev, fc + 84)); + /*XXX: remove this later, need fifo engine context commit hook */ + nouveau_gpuobj_ref(fctx->ramfc, &chan->ramfc); - 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; +error: + if (ret) + priv->base.base.context_del(chan, engine); + return ret; } -int -nv40_fifo_unload_context(struct drm_device *dev) +static int +nv40_fifo_init(struct drm_device *dev, int engine) { 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 = nv_rd32(dev, NV03_PFIFO_CACHE1_PUSH1) & 0x1f; - 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 - nv_wi32(dev, fc + 84, nv_rd32(dev, 0x330c)); - - 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) -{ + struct nv40_fifo_priv *priv = nv_engine(dev, engine); 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_mask(dev, NV03_PMC_ENABLE, NV_PMC_ENABLE_PFIFO, 0); + nv_mask(dev, NV03_PMC_ENABLE, NV_PMC_ENABLE_PFIFO, 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, 0x002044, 0x2101ffff); + nv_wr32(dev, 0x002058, 0x00000001); nv_wr32(dev, NV03_PFIFO_RAMHT, (0x03 << 24) /* search 128 */ | ((dev_priv->ramht->bits - 9) << 16) | @@ -244,65 +152,59 @@ nv40_fifo_init_ramxx(struct drm_device *dev) case 0x47: case 0x49: case 0x4b: - nv_wr32(dev, 0x2230, 1); - break; - default: - break; - } - - switch (dev_priv->chipset) { + nv_wr32(dev, 0x002230, 0x00000001); 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); + nv_wr32(dev, 0x002220, 0x00030002); 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)); + nv_wr32(dev, 0x002230, 0x00000000); + nv_wr32(dev, 0x002220, ((dev_priv->vram_size - 512 * 1024 + + dev_priv->ramfc->pinst) >> 16) | + 0x00030000); break; } -} - -static void -nv40_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 -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); + nv_wr32(dev, NV03_PFIFO_CACHE1_PUSH1, priv->base.channels); - nv40_fifo_do_load_context(dev, pfifo->channels - 1); - nv_wr32(dev, NV03_PFIFO_CACHE1_PUSH1, pfifo->channels - 1); + nv_wr32(dev, NV03_PFIFO_INTR_0, 0xffffffff); + nv_wr32(dev, NV03_PFIFO_INTR_EN_0, 0xffffffff); - nv40_fifo_init_intr(dev); nv_wr32(dev, NV03_PFIFO_CACHE1_PUSH0, 1); nv_wr32(dev, NV04_PFIFO_CACHE1_PULL0, 1); nv_wr32(dev, NV03_PFIFO_CACHES, 1); - 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)); - } + for (i = 0; i < priv->base.channels; i++) { + if (dev_priv->channels.ptr[i]) + nv_mask(dev, NV04_PFIFO_MODE, (1 << i), (1 << i)); } return 0; } + +int +nv40_fifo_create(struct drm_device *dev) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nv40_fifo_priv *priv; + + priv = kzalloc(sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + priv->base.base.destroy = nv04_fifo_destroy; + priv->base.base.init = nv40_fifo_init; + priv->base.base.fini = nv04_fifo_fini; + priv->base.base.context_new = nv40_fifo_context_new; + priv->base.base.context_del = nv04_fifo_context_del; + priv->base.channels = 31; + priv->ramfc_desc = nv40_ramfc; + dev_priv->eng[NVOBJ_ENGINE_FIFO] = &priv->base.base; + + nouveau_irq_register(dev, 8, nv04_fifo_isr); + return 0; +} |