diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv50_fifo.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv50_fifo.c | 500 |
1 files changed, 0 insertions, 500 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_fifo.c b/drivers/gpu/drm/nouveau/nv50_fifo.c deleted file mode 100644 index e20c0e2474f..00000000000 --- a/drivers/gpu/drm/nouveau/nv50_fifo.c +++ /dev/null @@ -1,500 +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" - -struct nv50_fifo_priv { - struct nouveau_gpuobj_ref *thingo[2]; - int cur_thingo; -}; - -#define IS_G80 ((dev_priv->chipset & 0xf0) == 0x50) - -static void -nv50_fifo_init_thingo(struct drm_device *dev) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nv50_fifo_priv *priv = dev_priv->engine.fifo.priv; - struct nouveau_gpuobj_ref *cur; - int i, nr; - - NV_DEBUG(dev, "\n"); - - cur = priv->thingo[priv->cur_thingo]; - priv->cur_thingo = !priv->cur_thingo; - - /* We never schedule channel 0 or 127 */ - dev_priv->engine.instmem.prepare_access(dev, true); - for (i = 1, nr = 0; i < 127; i++) { - if (dev_priv->fifos[i] && dev_priv->fifos[i]->ramfc) - nv_wo32(dev, cur->gpuobj, nr++, i); - } - dev_priv->engine.instmem.finish_access(dev); - - nv_wr32(dev, 0x32f4, cur->instance >> 12); - nv_wr32(dev, 0x32ec, nr); - nv_wr32(dev, 0x2500, 0x101); -} - -static int -nv50_fifo_channel_enable(struct drm_device *dev, int channel, bool nt) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nouveau_channel *chan = dev_priv->fifos[channel]; - uint32_t inst; - - NV_DEBUG(dev, "ch%d\n", channel); - - if (!chan->ramfc) - return -EINVAL; - - if (IS_G80) - inst = chan->ramfc->instance >> 12; - else - inst = chan->ramfc->instance >> 8; - nv_wr32(dev, NV50_PFIFO_CTX_TABLE(channel), - inst | NV50_PFIFO_CTX_TABLE_CHANNEL_ENABLED); - - if (!nt) - nv50_fifo_init_thingo(dev); - return 0; -} - -static void -nv50_fifo_channel_disable(struct drm_device *dev, int channel, bool nt) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - uint32_t inst; - - NV_DEBUG(dev, "ch%d, nt=%d\n", channel, nt); - - if (IS_G80) - inst = NV50_PFIFO_CTX_TABLE_INSTANCE_MASK_G80; - else - inst = NV50_PFIFO_CTX_TABLE_INSTANCE_MASK_G84; - nv_wr32(dev, NV50_PFIFO_CTX_TABLE(channel), inst); - - if (!nt) - nv50_fifo_init_thingo(dev); -} - -static void -nv50_fifo_init_reset(struct drm_device *dev) -{ - uint32_t pmc_e = NV_PMC_ENABLE_PFIFO; - - NV_DEBUG(dev, "\n"); - - nv_wr32(dev, NV03_PMC_ENABLE, nv_rd32(dev, NV03_PMC_ENABLE) & ~pmc_e); - nv_wr32(dev, NV03_PMC_ENABLE, nv_rd32(dev, NV03_PMC_ENABLE) | pmc_e); -} - -static void -nv50_fifo_init_intr(struct drm_device *dev) -{ - NV_DEBUG(dev, "\n"); - - nv_wr32(dev, NV03_PFIFO_INTR_0, 0xFFFFFFFF); - nv_wr32(dev, NV03_PFIFO_INTR_EN_0, 0xFFFFFFFF); -} - -static void -nv50_fifo_init_context_table(struct drm_device *dev) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - int i; - - NV_DEBUG(dev, "\n"); - - for (i = 0; i < NV50_PFIFO_CTX_TABLE__SIZE; i++) { - if (dev_priv->fifos[i]) - nv50_fifo_channel_enable(dev, i, true); - else - nv50_fifo_channel_disable(dev, i, true); - } - - nv50_fifo_init_thingo(dev); -} - -static void -nv50_fifo_init_regs__nv(struct drm_device *dev) -{ - NV_DEBUG(dev, "\n"); - - nv_wr32(dev, 0x250c, 0x6f3cfc34); -} - -static void -nv50_fifo_init_regs(struct drm_device *dev) -{ - NV_DEBUG(dev, "\n"); - - nv_wr32(dev, 0x2500, 0); - nv_wr32(dev, 0x3250, 0); - nv_wr32(dev, 0x3220, 0); - nv_wr32(dev, 0x3204, 0); - nv_wr32(dev, 0x3210, 0); - nv_wr32(dev, 0x3270, 0); - - /* Enable dummy channels setup by nv50_instmem.c */ - nv50_fifo_channel_enable(dev, 0, true); - nv50_fifo_channel_enable(dev, 127, true); -} - -int -nv50_fifo_init(struct drm_device *dev) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nv50_fifo_priv *priv; - int ret; - - NV_DEBUG(dev, "\n"); - - priv = dev_priv->engine.fifo.priv; - if (priv) { - priv->cur_thingo = !priv->cur_thingo; - goto just_reset; - } - - priv = kzalloc(sizeof(*priv), GFP_KERNEL); - if (!priv) - return -ENOMEM; - dev_priv->engine.fifo.priv = priv; - - ret = nouveau_gpuobj_new_ref(dev, NULL, NULL, 0, 128*4, 0x1000, - NVOBJ_FLAG_ZERO_ALLOC, &priv->thingo[0]); - if (ret) { - NV_ERROR(dev, "error creating thingo0: %d\n", ret); - return ret; - } - - ret = nouveau_gpuobj_new_ref(dev, NULL, NULL, 0, 128*4, 0x1000, - NVOBJ_FLAG_ZERO_ALLOC, &priv->thingo[1]); - if (ret) { - NV_ERROR(dev, "error creating thingo1: %d\n", ret); - return ret; - } - -just_reset: - nv50_fifo_init_reset(dev); - nv50_fifo_init_intr(dev); - nv50_fifo_init_context_table(dev); - nv50_fifo_init_regs__nv(dev); - nv50_fifo_init_regs(dev); - dev_priv->engine.fifo.enable(dev); - dev_priv->engine.fifo.reassign(dev, true); - - return 0; -} - -void -nv50_fifo_takedown(struct drm_device *dev) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nv50_fifo_priv *priv = dev_priv->engine.fifo.priv; - - NV_DEBUG(dev, "\n"); - - if (!priv) - return; - - nouveau_gpuobj_ref_del(dev, &priv->thingo[0]); - nouveau_gpuobj_ref_del(dev, &priv->thingo[1]); - - dev_priv->engine.fifo.priv = NULL; - kfree(priv); -} - -int -nv50_fifo_channel_id(struct drm_device *dev) -{ - return nv_rd32(dev, NV03_PFIFO_CACHE1_PUSH1) & - NV50_PFIFO_CACHE1_PUSH1_CHID_MASK; -} - -int -nv50_fifo_create_context(struct nouveau_channel *chan) -{ - struct drm_device *dev = chan->dev; - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nouveau_gpuobj *ramfc = NULL; - unsigned long flags; - int ret; - - NV_DEBUG(dev, "ch%d\n", chan->id); - - if (IS_G80) { - uint32_t ramin_poffset = chan->ramin->gpuobj->im_pramin->start; - uint32_t ramin_voffset = chan->ramin->gpuobj->im_backing_start; - - ret = nouveau_gpuobj_new_fake(dev, ramin_poffset, ramin_voffset, - 0x100, NVOBJ_FLAG_ZERO_ALLOC | - NVOBJ_FLAG_ZERO_FREE, &ramfc, - &chan->ramfc); - if (ret) - return ret; - - ret = nouveau_gpuobj_new_fake(dev, ramin_poffset + 0x0400, - ramin_voffset + 0x0400, 4096, - 0, NULL, &chan->cache); - if (ret) - return ret; - } else { - ret = nouveau_gpuobj_new_ref(dev, chan, NULL, 0, 0x100, 256, - NVOBJ_FLAG_ZERO_ALLOC | - NVOBJ_FLAG_ZERO_FREE, - &chan->ramfc); - if (ret) - return ret; - ramfc = chan->ramfc->gpuobj; - - ret = nouveau_gpuobj_new_ref(dev, chan, NULL, 0, 4096, 1024, - 0, &chan->cache); - if (ret) - return ret; - } - - spin_lock_irqsave(&dev_priv->context_switch_lock, flags); - - dev_priv->engine.instmem.prepare_access(dev, true); - - nv_wo32(dev, ramfc, 0x48/4, chan->pushbuf->instance >> 4); - nv_wo32(dev, ramfc, 0x80/4, (0xc << 24) | (chan->ramht->instance >> 4)); - nv_wo32(dev, ramfc, 0x44/4, 0x2101ffff); - nv_wo32(dev, ramfc, 0x60/4, 0x7fffffff); - nv_wo32(dev, ramfc, 0x40/4, 0x00000000); - nv_wo32(dev, ramfc, 0x7c/4, 0x30000001); - nv_wo32(dev, ramfc, 0x78/4, 0x00000000); - nv_wo32(dev, ramfc, 0x3c/4, 0x403f6078); - nv_wo32(dev, ramfc, 0x50/4, chan->pushbuf_base + - chan->dma.ib_base * 4); - nv_wo32(dev, ramfc, 0x54/4, drm_order(chan->dma.ib_max + 1) << 16); - - if (!IS_G80) { - nv_wo32(dev, chan->ramin->gpuobj, 0, chan->id); - nv_wo32(dev, chan->ramin->gpuobj, 1, - chan->ramfc->instance >> 8); - - nv_wo32(dev, ramfc, 0x88/4, chan->cache->instance >> 10); - nv_wo32(dev, ramfc, 0x98/4, chan->ramin->instance >> 12); - } - - dev_priv->engine.instmem.finish_access(dev); - - ret = nv50_fifo_channel_enable(dev, chan->id, false); - if (ret) { - NV_ERROR(dev, "error enabling ch%d: %d\n", chan->id, ret); - spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags); - nouveau_gpuobj_ref_del(dev, &chan->ramfc); - return ret; - } - - spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags); - return 0; -} - -void -nv50_fifo_destroy_context(struct nouveau_channel *chan) -{ - struct drm_device *dev = chan->dev; - struct nouveau_gpuobj_ref *ramfc = chan->ramfc; - - NV_DEBUG(dev, "ch%d\n", chan->id); - - /* This will ensure the channel is seen as disabled. */ - chan->ramfc = NULL; - nv50_fifo_channel_disable(dev, chan->id, false); - - /* Dummy channel, also used on ch 127 */ - if (chan->id == 0) - nv50_fifo_channel_disable(dev, 127, false); - - nouveau_gpuobj_ref_del(dev, &ramfc); - nouveau_gpuobj_ref_del(dev, &chan->cache); -} - -int -nv50_fifo_load_context(struct nouveau_channel *chan) -{ - struct drm_device *dev = chan->dev; - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nouveau_gpuobj *ramfc = chan->ramfc->gpuobj; - struct nouveau_gpuobj *cache = chan->cache->gpuobj; - int ptr, cnt; - - NV_DEBUG(dev, "ch%d\n", chan->id); - - dev_priv->engine.instmem.prepare_access(dev, false); - - nv_wr32(dev, 0x3330, nv_ro32(dev, ramfc, 0x00/4)); - nv_wr32(dev, 0x3334, nv_ro32(dev, ramfc, 0x04/4)); - nv_wr32(dev, 0x3240, nv_ro32(dev, ramfc, 0x08/4)); - nv_wr32(dev, 0x3320, nv_ro32(dev, ramfc, 0x0c/4)); - nv_wr32(dev, 0x3244, nv_ro32(dev, ramfc, 0x10/4)); - nv_wr32(dev, 0x3328, nv_ro32(dev, ramfc, 0x14/4)); - nv_wr32(dev, 0x3368, nv_ro32(dev, ramfc, 0x18/4)); - nv_wr32(dev, 0x336c, nv_ro32(dev, ramfc, 0x1c/4)); - nv_wr32(dev, 0x3370, nv_ro32(dev, ramfc, 0x20/4)); - nv_wr32(dev, 0x3374, nv_ro32(dev, ramfc, 0x24/4)); - nv_wr32(dev, 0x3378, nv_ro32(dev, ramfc, 0x28/4)); - nv_wr32(dev, 0x337c, nv_ro32(dev, ramfc, 0x2c/4)); - nv_wr32(dev, 0x3228, nv_ro32(dev, ramfc, 0x30/4)); - nv_wr32(dev, 0x3364, nv_ro32(dev, ramfc, 0x34/4)); - nv_wr32(dev, 0x32a0, nv_ro32(dev, ramfc, 0x38/4)); - nv_wr32(dev, 0x3224, nv_ro32(dev, ramfc, 0x3c/4)); - nv_wr32(dev, 0x324c, nv_ro32(dev, ramfc, 0x40/4)); - nv_wr32(dev, 0x2044, nv_ro32(dev, ramfc, 0x44/4)); - nv_wr32(dev, 0x322c, nv_ro32(dev, ramfc, 0x48/4)); - nv_wr32(dev, 0x3234, nv_ro32(dev, ramfc, 0x4c/4)); - nv_wr32(dev, 0x3340, nv_ro32(dev, ramfc, 0x50/4)); - nv_wr32(dev, 0x3344, nv_ro32(dev, ramfc, 0x54/4)); - nv_wr32(dev, 0x3280, nv_ro32(dev, ramfc, 0x58/4)); - nv_wr32(dev, 0x3254, nv_ro32(dev, ramfc, 0x5c/4)); - nv_wr32(dev, 0x3260, nv_ro32(dev, ramfc, 0x60/4)); - nv_wr32(dev, 0x3264, nv_ro32(dev, ramfc, 0x64/4)); - nv_wr32(dev, 0x3268, nv_ro32(dev, ramfc, 0x68/4)); - nv_wr32(dev, 0x326c, nv_ro32(dev, ramfc, 0x6c/4)); - nv_wr32(dev, 0x32e4, nv_ro32(dev, ramfc, 0x70/4)); - nv_wr32(dev, 0x3248, nv_ro32(dev, ramfc, 0x74/4)); - nv_wr32(dev, 0x2088, nv_ro32(dev, ramfc, 0x78/4)); - nv_wr32(dev, 0x2058, nv_ro32(dev, ramfc, 0x7c/4)); - nv_wr32(dev, 0x2210, nv_ro32(dev, ramfc, 0x80/4)); - - cnt = nv_ro32(dev, ramfc, 0x84/4); - for (ptr = 0; ptr < cnt; ptr++) { - nv_wr32(dev, NV40_PFIFO_CACHE1_METHOD(ptr), - nv_ro32(dev, cache, (ptr * 2) + 0)); - nv_wr32(dev, NV40_PFIFO_CACHE1_DATA(ptr), - nv_ro32(dev, cache, (ptr * 2) + 1)); - } - nv_wr32(dev, NV03_PFIFO_CACHE1_PUT, cnt << 2); - nv_wr32(dev, NV03_PFIFO_CACHE1_GET, 0); - - /* guessing that all the 0x34xx regs aren't on NV50 */ - if (!IS_G80) { - nv_wr32(dev, 0x340c, nv_ro32(dev, ramfc, 0x88/4)); - nv_wr32(dev, 0x3400, nv_ro32(dev, ramfc, 0x8c/4)); - nv_wr32(dev, 0x3404, nv_ro32(dev, ramfc, 0x90/4)); - nv_wr32(dev, 0x3408, nv_ro32(dev, ramfc, 0x94/4)); - nv_wr32(dev, 0x3410, nv_ro32(dev, ramfc, 0x98/4)); - } - - dev_priv->engine.instmem.finish_access(dev); - - nv_wr32(dev, NV03_PFIFO_CACHE1_PUSH1, chan->id | (1<<16)); - return 0; -} - -int -nv50_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_gpuobj *ramfc, *cache; - struct nouveau_channel *chan = NULL; - int chid, get, put, ptr; - - NV_DEBUG(dev, "\n"); - - chid = pfifo->channel_id(dev); - if (chid < 1 || chid >= dev_priv->engine.fifo.channels - 1) - return 0; - - chan = dev_priv->fifos[chid]; - if (!chan) { - NV_ERROR(dev, "Inactive channel on PFIFO: %d\n", chid); - return -EINVAL; - } - NV_DEBUG(dev, "ch%d\n", chan->id); - ramfc = chan->ramfc->gpuobj; - cache = chan->cache->gpuobj; - - dev_priv->engine.instmem.prepare_access(dev, true); - - nv_wo32(dev, ramfc, 0x00/4, nv_rd32(dev, 0x3330)); - nv_wo32(dev, ramfc, 0x04/4, nv_rd32(dev, 0x3334)); - nv_wo32(dev, ramfc, 0x08/4, nv_rd32(dev, 0x3240)); - nv_wo32(dev, ramfc, 0x0c/4, nv_rd32(dev, 0x3320)); - nv_wo32(dev, ramfc, 0x10/4, nv_rd32(dev, 0x3244)); - nv_wo32(dev, ramfc, 0x14/4, nv_rd32(dev, 0x3328)); - nv_wo32(dev, ramfc, 0x18/4, nv_rd32(dev, 0x3368)); - nv_wo32(dev, ramfc, 0x1c/4, nv_rd32(dev, 0x336c)); - nv_wo32(dev, ramfc, 0x20/4, nv_rd32(dev, 0x3370)); - nv_wo32(dev, ramfc, 0x24/4, nv_rd32(dev, 0x3374)); - nv_wo32(dev, ramfc, 0x28/4, nv_rd32(dev, 0x3378)); - nv_wo32(dev, ramfc, 0x2c/4, nv_rd32(dev, 0x337c)); - nv_wo32(dev, ramfc, 0x30/4, nv_rd32(dev, 0x3228)); - nv_wo32(dev, ramfc, 0x34/4, nv_rd32(dev, 0x3364)); - nv_wo32(dev, ramfc, 0x38/4, nv_rd32(dev, 0x32a0)); - nv_wo32(dev, ramfc, 0x3c/4, nv_rd32(dev, 0x3224)); - nv_wo32(dev, ramfc, 0x40/4, nv_rd32(dev, 0x324c)); - nv_wo32(dev, ramfc, 0x44/4, nv_rd32(dev, 0x2044)); - nv_wo32(dev, ramfc, 0x48/4, nv_rd32(dev, 0x322c)); - nv_wo32(dev, ramfc, 0x4c/4, nv_rd32(dev, 0x3234)); - nv_wo32(dev, ramfc, 0x50/4, nv_rd32(dev, 0x3340)); - nv_wo32(dev, ramfc, 0x54/4, nv_rd32(dev, 0x3344)); - nv_wo32(dev, ramfc, 0x58/4, nv_rd32(dev, 0x3280)); - nv_wo32(dev, ramfc, 0x5c/4, nv_rd32(dev, 0x3254)); - nv_wo32(dev, ramfc, 0x60/4, nv_rd32(dev, 0x3260)); - nv_wo32(dev, ramfc, 0x64/4, nv_rd32(dev, 0x3264)); - nv_wo32(dev, ramfc, 0x68/4, nv_rd32(dev, 0x3268)); - nv_wo32(dev, ramfc, 0x6c/4, nv_rd32(dev, 0x326c)); - nv_wo32(dev, ramfc, 0x70/4, nv_rd32(dev, 0x32e4)); - nv_wo32(dev, ramfc, 0x74/4, nv_rd32(dev, 0x3248)); - nv_wo32(dev, ramfc, 0x78/4, nv_rd32(dev, 0x2088)); - nv_wo32(dev, ramfc, 0x7c/4, nv_rd32(dev, 0x2058)); - nv_wo32(dev, ramfc, 0x80/4, nv_rd32(dev, 0x2210)); - - put = (nv_rd32(dev, NV03_PFIFO_CACHE1_PUT) & 0x7ff) >> 2; - get = (nv_rd32(dev, NV03_PFIFO_CACHE1_GET) & 0x7ff) >> 2; - ptr = 0; - while (put != get) { - nv_wo32(dev, cache, ptr++, - nv_rd32(dev, NV40_PFIFO_CACHE1_METHOD(get))); - nv_wo32(dev, cache, ptr++, - nv_rd32(dev, NV40_PFIFO_CACHE1_DATA(get))); - get = (get + 1) & 0x1ff; - } - - /* guessing that all the 0x34xx regs aren't on NV50 */ - if (!IS_G80) { - nv_wo32(dev, ramfc, 0x84/4, ptr >> 1); - nv_wo32(dev, ramfc, 0x88/4, nv_rd32(dev, 0x340c)); - nv_wo32(dev, ramfc, 0x8c/4, nv_rd32(dev, 0x3400)); - nv_wo32(dev, ramfc, 0x90/4, nv_rd32(dev, 0x3404)); - nv_wo32(dev, ramfc, 0x94/4, nv_rd32(dev, 0x3408)); - nv_wo32(dev, ramfc, 0x98/4, nv_rd32(dev, 0x3410)); - } - - dev_priv->engine.instmem.finish_access(dev); - - /*XXX: probably reload ch127 (NULL) state back too */ - nv_wr32(dev, NV03_PFIFO_CACHE1_PUSH1, 127); - return 0; -} - |
