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path: root/drivers/gpu/drm/nouveau/nvc0_fifo.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nvc0_fifo.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvc0_fifo.c455
1 files changed, 0 insertions, 455 deletions
diff --git a/drivers/gpu/drm/nouveau/nvc0_fifo.c b/drivers/gpu/drm/nouveau/nvc0_fifo.c
deleted file mode 100644
index e6f92c541db..00000000000
--- a/drivers/gpu/drm/nouveau/nvc0_fifo.c
+++ /dev/null
@@ -1,455 +0,0 @@
-/*
- * Copyright 2010 Red Hat Inc.
- *
- * 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 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 HOLDER(S) OR AUTHOR(S) 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.
- *
- * Authors: Ben Skeggs
- */
-
-#include "drmP.h"
-
-#include "nouveau_drv.h"
-#include "nouveau_mm.h"
-
-static void nvc0_fifo_isr(struct drm_device *);
-
-struct nvc0_fifo_priv {
- struct nouveau_gpuobj *playlist[2];
- int cur_playlist;
- struct nouveau_vma user_vma;
- int spoon_nr;
-};
-
-struct nvc0_fifo_chan {
- struct nouveau_bo *user;
- struct nouveau_gpuobj *ramfc;
-};
-
-static void
-nvc0_fifo_playlist_update(struct drm_device *dev)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_instmem_engine *pinstmem = &dev_priv->engine.instmem;
- struct nouveau_fifo_engine *pfifo = &dev_priv->engine.fifo;
- struct nvc0_fifo_priv *priv = pfifo->priv;
- struct nouveau_gpuobj *cur;
- int i, p;
-
- cur = priv->playlist[priv->cur_playlist];
- priv->cur_playlist = !priv->cur_playlist;
-
- for (i = 0, p = 0; i < 128; i++) {
- if (!(nv_rd32(dev, 0x3004 + (i * 8)) & 1))
- continue;
- nv_wo32(cur, p + 0, i);
- nv_wo32(cur, p + 4, 0x00000004);
- p += 8;
- }
- pinstmem->flush(dev);
-
- nv_wr32(dev, 0x002270, cur->vinst >> 12);
- nv_wr32(dev, 0x002274, 0x01f00000 | (p >> 3));
- if (!nv_wait(dev, 0x00227c, 0x00100000, 0x00000000))
- NV_ERROR(dev, "PFIFO - playlist update failed\n");
-}
-
-void
-nvc0_fifo_disable(struct drm_device *dev)
-{
-}
-
-void
-nvc0_fifo_enable(struct drm_device *dev)
-{
-}
-
-bool
-nvc0_fifo_reassign(struct drm_device *dev, bool enable)
-{
- return false;
-}
-
-bool
-nvc0_fifo_cache_pull(struct drm_device *dev, bool enable)
-{
- return false;
-}
-
-int
-nvc0_fifo_channel_id(struct drm_device *dev)
-{
- return 127;
-}
-
-int
-nvc0_fifo_create_context(struct nouveau_channel *chan)
-{
- struct drm_device *dev = chan->dev;
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_instmem_engine *pinstmem = &dev_priv->engine.instmem;
- struct nouveau_fifo_engine *pfifo = &dev_priv->engine.fifo;
- struct nvc0_fifo_priv *priv = pfifo->priv;
- struct nvc0_fifo_chan *fifoch;
- u64 ib_virt, user_vinst;
- int ret;
-
- chan->fifo_priv = kzalloc(sizeof(*fifoch), GFP_KERNEL);
- if (!chan->fifo_priv)
- return -ENOMEM;
- fifoch = chan->fifo_priv;
-
- /* allocate vram for control regs, map into polling area */
- ret = nouveau_bo_new(dev, NULL, 0x1000, 0, TTM_PL_FLAG_VRAM,
- 0, 0, true, true, &fifoch->user);
- if (ret)
- goto error;
-
- ret = nouveau_bo_pin(fifoch->user, TTM_PL_FLAG_VRAM);
- if (ret) {
- nouveau_bo_ref(NULL, &fifoch->user);
- goto error;
- }
-
- user_vinst = fifoch->user->bo.mem.start << PAGE_SHIFT;
-
- ret = nouveau_bo_map(fifoch->user);
- if (ret) {
- nouveau_bo_unpin(fifoch->user);
- nouveau_bo_ref(NULL, &fifoch->user);
- goto error;
- }
-
- nouveau_vm_map_at(&priv->user_vma, chan->id * 0x1000,
- fifoch->user->bo.mem.mm_node);
-
- chan->user = ioremap_wc(pci_resource_start(dev->pdev, 1) +
- priv->user_vma.offset + (chan->id * 0x1000),
- PAGE_SIZE);
- if (!chan->user) {
- ret = -ENOMEM;
- goto error;
- }
-
- ib_virt = chan->pushbuf_base + chan->dma.ib_base * 4;
-
- /* zero channel regs */
- nouveau_bo_wr32(fifoch->user, 0x0040/4, 0);
- nouveau_bo_wr32(fifoch->user, 0x0044/4, 0);
- nouveau_bo_wr32(fifoch->user, 0x0048/4, 0);
- nouveau_bo_wr32(fifoch->user, 0x004c/4, 0);
- nouveau_bo_wr32(fifoch->user, 0x0050/4, 0);
- nouveau_bo_wr32(fifoch->user, 0x0058/4, 0);
- nouveau_bo_wr32(fifoch->user, 0x005c/4, 0);
- nouveau_bo_wr32(fifoch->user, 0x0060/4, 0);
- nouveau_bo_wr32(fifoch->user, 0x0088/4, 0);
- nouveau_bo_wr32(fifoch->user, 0x008c/4, 0);
-
- /* ramfc */
- ret = nouveau_gpuobj_new_fake(dev, chan->ramin->pinst,
- chan->ramin->vinst, 0x100,
- NVOBJ_FLAG_ZERO_ALLOC, &fifoch->ramfc);
- if (ret)
- goto error;
-
- nv_wo32(fifoch->ramfc, 0x08, lower_32_bits(user_vinst));
- nv_wo32(fifoch->ramfc, 0x0c, upper_32_bits(user_vinst));
- nv_wo32(fifoch->ramfc, 0x10, 0x0000face);
- nv_wo32(fifoch->ramfc, 0x30, 0xfffff902);
- nv_wo32(fifoch->ramfc, 0x48, lower_32_bits(ib_virt));
- nv_wo32(fifoch->ramfc, 0x4c, drm_order(chan->dma.ib_max + 1) << 16 |
- upper_32_bits(ib_virt));
- nv_wo32(fifoch->ramfc, 0x54, 0x00000002);
- nv_wo32(fifoch->ramfc, 0x84, 0x20400000);
- nv_wo32(fifoch->ramfc, 0x94, 0x30000001);
- nv_wo32(fifoch->ramfc, 0x9c, 0x00000100);
- nv_wo32(fifoch->ramfc, 0xa4, 0x1f1f1f1f);
- nv_wo32(fifoch->ramfc, 0xa8, 0x1f1f1f1f);
- nv_wo32(fifoch->ramfc, 0xac, 0x0000001f);
- nv_wo32(fifoch->ramfc, 0xb8, 0xf8000000);
- nv_wo32(fifoch->ramfc, 0xf8, 0x10003080); /* 0x002310 */
- nv_wo32(fifoch->ramfc, 0xfc, 0x10000010); /* 0x002350 */
- pinstmem->flush(dev);
-
- nv_wr32(dev, 0x003000 + (chan->id * 8), 0xc0000000 |
- (chan->ramin->vinst >> 12));
- nv_wr32(dev, 0x003004 + (chan->id * 8), 0x001f0001);
- nvc0_fifo_playlist_update(dev);
- return 0;
-
-error:
- pfifo->destroy_context(chan);
- return ret;
-}
-
-void
-nvc0_fifo_destroy_context(struct nouveau_channel *chan)
-{
- struct drm_device *dev = chan->dev;
- struct nvc0_fifo_chan *fifoch;
-
- nv_mask(dev, 0x003004 + (chan->id * 8), 0x00000001, 0x00000000);
- nv_wr32(dev, 0x002634, chan->id);
- if (!nv_wait(dev, 0x0002634, 0xffffffff, chan->id))
- NV_WARN(dev, "0x2634 != chid: 0x%08x\n", nv_rd32(dev, 0x2634));
-
- nvc0_fifo_playlist_update(dev);
-
- nv_wr32(dev, 0x003000 + (chan->id * 8), 0x00000000);
-
- if (chan->user) {
- iounmap(chan->user);
- chan->user = NULL;
- }
-
- fifoch = chan->fifo_priv;
- chan->fifo_priv = NULL;
- if (!fifoch)
- return;
-
- nouveau_gpuobj_ref(NULL, &fifoch->ramfc);
- if (fifoch->user) {
- nouveau_bo_unmap(fifoch->user);
- nouveau_bo_unpin(fifoch->user);
- nouveau_bo_ref(NULL, &fifoch->user);
- }
- kfree(fifoch);
-}
-
-int
-nvc0_fifo_load_context(struct nouveau_channel *chan)
-{
- return 0;
-}
-
-int
-nvc0_fifo_unload_context(struct drm_device *dev)
-{
- return 0;
-}
-
-static void
-nvc0_fifo_destroy(struct drm_device *dev)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_fifo_engine *pfifo = &dev_priv->engine.fifo;
- struct nvc0_fifo_priv *priv;
-
- priv = pfifo->priv;
- if (!priv)
- return;
-
- nouveau_vm_put(&priv->user_vma);
- nouveau_gpuobj_ref(NULL, &priv->playlist[1]);
- nouveau_gpuobj_ref(NULL, &priv->playlist[0]);
- kfree(priv);
-}
-
-void
-nvc0_fifo_takedown(struct drm_device *dev)
-{
- nv_wr32(dev, 0x002140, 0x00000000);
- nvc0_fifo_destroy(dev);
-}
-
-static int
-nvc0_fifo_create(struct drm_device *dev)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_fifo_engine *pfifo = &dev_priv->engine.fifo;
- struct nvc0_fifo_priv *priv;
- int ret;
-
- priv = kzalloc(sizeof(*priv), GFP_KERNEL);
- if (!priv)
- return -ENOMEM;
- pfifo->priv = priv;
-
- ret = nouveau_gpuobj_new(dev, NULL, 0x1000, 0x1000, 0,
- &priv->playlist[0]);
- if (ret)
- goto error;
-
- ret = nouveau_gpuobj_new(dev, NULL, 0x1000, 0x1000, 0,
- &priv->playlist[1]);
- if (ret)
- goto error;
-
- ret = nouveau_vm_get(dev_priv->bar1_vm, pfifo->channels * 0x1000,
- 12, NV_MEM_ACCESS_RW, &priv->user_vma);
- if (ret)
- goto error;
-
- nouveau_irq_register(dev, 8, nvc0_fifo_isr);
- NVOBJ_CLASS(dev, 0x506e, SW); /* nvsw */
- return 0;
-
-error:
- nvc0_fifo_destroy(dev);
- return ret;
-}
-
-int
-nvc0_fifo_init(struct drm_device *dev)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_fifo_engine *pfifo = &dev_priv->engine.fifo;
- struct nvc0_fifo_priv *priv;
- int ret, i;
-
- if (!pfifo->priv) {
- ret = nvc0_fifo_create(dev);
- if (ret)
- return ret;
- }
- priv = pfifo->priv;
-
- /* reset PFIFO, enable all available PSUBFIFO areas */
- nv_mask(dev, 0x000200, 0x00000100, 0x00000000);
- nv_mask(dev, 0x000200, 0x00000100, 0x00000100);
- nv_wr32(dev, 0x000204, 0xffffffff);
- nv_wr32(dev, 0x002204, 0xffffffff);
-
- priv->spoon_nr = hweight32(nv_rd32(dev, 0x002204));
- NV_DEBUG(dev, "PFIFO: %d subfifo(s)\n", priv->spoon_nr);
-
- /* assign engines to subfifos */
- if (priv->spoon_nr >= 3) {
- nv_wr32(dev, 0x002208, ~(1 << 0)); /* PGRAPH */
- nv_wr32(dev, 0x00220c, ~(1 << 1)); /* PVP */
- nv_wr32(dev, 0x002210, ~(1 << 1)); /* PPP */
- nv_wr32(dev, 0x002214, ~(1 << 1)); /* PBSP */
- nv_wr32(dev, 0x002218, ~(1 << 2)); /* PCE0 */
- nv_wr32(dev, 0x00221c, ~(1 << 1)); /* PCE1 */
- }
-
- /* PSUBFIFO[n] */
- for (i = 0; i < 3; i++) {
- nv_mask(dev, 0x04013c + (i * 0x2000), 0x10000100, 0x00000000);
- nv_wr32(dev, 0x040108 + (i * 0x2000), 0xffffffff); /* INTR */
- nv_wr32(dev, 0x04010c + (i * 0x2000), 0xfffffeff); /* INTR_EN */
- }
-
- nv_mask(dev, 0x002200, 0x00000001, 0x00000001);
- nv_wr32(dev, 0x002254, 0x10000000 | priv->user_vma.offset >> 12);
-
- nv_wr32(dev, 0x002a00, 0xffffffff); /* clears PFIFO.INTR bit 30 */
- nv_wr32(dev, 0x002100, 0xffffffff);
- nv_wr32(dev, 0x002140, 0xbfffffff);
- return 0;
-}
-
-struct nouveau_enum nvc0_fifo_fault_unit[] = {
- { 0, "PGRAPH" },
- { 3, "PEEPHOLE" },
- { 4, "BAR1" },
- { 5, "BAR3" },
- { 7, "PFIFO" },
- {}
-};
-
-struct nouveau_enum nvc0_fifo_fault_reason[] = {
- { 0, "PT_NOT_PRESENT" },
- { 1, "PT_TOO_SHORT" },
- { 2, "PAGE_NOT_PRESENT" },
- { 3, "VM_LIMIT_EXCEEDED" },
- {}
-};
-
-struct nouveau_bitfield nvc0_fifo_subfifo_intr[] = {
-/* { 0x00008000, "" } seen with null ib push */
- { 0x00200000, "ILLEGAL_MTHD" },
- { 0x00800000, "EMPTY_SUBC" },
- {}
-};
-
-static void
-nvc0_fifo_isr_vm_fault(struct drm_device *dev, int unit)
-{
- u32 inst = nv_rd32(dev, 0x2800 + (unit * 0x10));
- u32 valo = nv_rd32(dev, 0x2804 + (unit * 0x10));
- u32 vahi = nv_rd32(dev, 0x2808 + (unit * 0x10));
- u32 stat = nv_rd32(dev, 0x280c + (unit * 0x10));
-
- NV_INFO(dev, "PFIFO: %s fault at 0x%010llx [",
- (stat & 0x00000080) ? "write" : "read", (u64)vahi << 32 | valo);
- nouveau_enum_print(nvc0_fifo_fault_reason, stat & 0x0000000f);
- printk("] from ");
- nouveau_enum_print(nvc0_fifo_fault_unit, unit);
- printk(" on channel 0x%010llx\n", (u64)inst << 12);
-}
-
-static void
-nvc0_fifo_isr_subfifo_intr(struct drm_device *dev, int unit)
-{
- u32 stat = nv_rd32(dev, 0x040108 + (unit * 0x2000));
- u32 addr = nv_rd32(dev, 0x0400c0 + (unit * 0x2000));
- u32 data = nv_rd32(dev, 0x0400c4 + (unit * 0x2000));
- u32 chid = nv_rd32(dev, 0x040120 + (unit * 0x2000)) & 0x7f;
- u32 subc = (addr & 0x00070000);
- u32 mthd = (addr & 0x00003ffc);
-
- NV_INFO(dev, "PSUBFIFO %d:", unit);
- nouveau_bitfield_print(nvc0_fifo_subfifo_intr, stat);
- NV_INFO(dev, "PSUBFIFO %d: ch %d subc %d mthd 0x%04x data 0x%08x\n",
- unit, chid, subc, mthd, data);
-
- nv_wr32(dev, 0x0400c0 + (unit * 0x2000), 0x80600008);
- nv_wr32(dev, 0x040108 + (unit * 0x2000), stat);
-}
-
-static void
-nvc0_fifo_isr(struct drm_device *dev)
-{
- u32 stat = nv_rd32(dev, 0x002100);
-
- if (stat & 0x10000000) {
- u32 units = nv_rd32(dev, 0x00259c);
- u32 u = units;
-
- while (u) {
- int i = ffs(u) - 1;
- nvc0_fifo_isr_vm_fault(dev, i);
- u &= ~(1 << i);
- }
-
- nv_wr32(dev, 0x00259c, units);
- stat &= ~0x10000000;
- }
-
- if (stat & 0x20000000) {
- u32 units = nv_rd32(dev, 0x0025a0);
- u32 u = units;
-
- while (u) {
- int i = ffs(u) - 1;
- nvc0_fifo_isr_subfifo_intr(dev, i);
- u &= ~(1 << i);
- }
-
- nv_wr32(dev, 0x0025a0, units);
- stat &= ~0x20000000;
- }
-
- if (stat) {
- NV_INFO(dev, "PFIFO: unhandled status 0x%08x\n", stat);
- nv_wr32(dev, 0x002100, stat);
- }
-
- nv_wr32(dev, 0x2140, 0);
-}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 22:12:21 +0000