aboutsummaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/nouveau/nv50_fifo.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv50_fifo.c')
-rw-r--r--drivers/gpu/drm/nouveau/nv50_fifo.c500
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;
-}
-