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path: root/drivers/gpu/drm/nouveau/nv50_graph.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nv50_graph.c')
-rw-r--r--drivers/gpu/drm/nouveau/nv50_graph.c404
1 files changed, 0 insertions, 404 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_graph.c b/drivers/gpu/drm/nouveau/nv50_graph.c
deleted file mode 100644
index cbf5ae2f67d..00000000000
--- a/drivers/gpu/drm/nouveau/nv50_graph.c
+++ /dev/null
@@ -1,404 +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"
-#include "nouveau_ramht.h"
-#include "nouveau_grctx.h"
-
-static void
-nv50_graph_init_reset(struct drm_device *dev)
-{
- uint32_t pmc_e = NV_PMC_ENABLE_PGRAPH | (1 << 21);
-
- 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_graph_init_intr(struct drm_device *dev)
-{
- NV_DEBUG(dev, "\n");
-
- nv_wr32(dev, NV03_PGRAPH_INTR, 0xffffffff);
- nv_wr32(dev, 0x400138, 0xffffffff);
- nv_wr32(dev, NV40_PGRAPH_INTR_EN, 0xffffffff);
-}
-
-static void
-nv50_graph_init_regs__nv(struct drm_device *dev)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- uint32_t units = nv_rd32(dev, 0x1540);
- int i;
-
- NV_DEBUG(dev, "\n");
-
- nv_wr32(dev, 0x400804, 0xc0000000);
- nv_wr32(dev, 0x406800, 0xc0000000);
- nv_wr32(dev, 0x400c04, 0xc0000000);
- nv_wr32(dev, 0x401800, 0xc0000000);
- nv_wr32(dev, 0x405018, 0xc0000000);
- nv_wr32(dev, 0x402000, 0xc0000000);
-
- for (i = 0; i < 16; i++) {
- if (units & 1 << i) {
- if (dev_priv->chipset < 0xa0) {
- nv_wr32(dev, 0x408900 + (i << 12), 0xc0000000);
- nv_wr32(dev, 0x408e08 + (i << 12), 0xc0000000);
- nv_wr32(dev, 0x408314 + (i << 12), 0xc0000000);
- } else {
- nv_wr32(dev, 0x408600 + (i << 11), 0xc0000000);
- nv_wr32(dev, 0x408708 + (i << 11), 0xc0000000);
- nv_wr32(dev, 0x40831c + (i << 11), 0xc0000000);
- }
- }
- }
-
- nv_wr32(dev, 0x400108, 0xffffffff);
-
- nv_wr32(dev, 0x400824, 0x00004000);
- nv_wr32(dev, 0x400500, 0x00010001);
-}
-
-static void
-nv50_graph_init_regs(struct drm_device *dev)
-{
- NV_DEBUG(dev, "\n");
-
- nv_wr32(dev, NV04_PGRAPH_DEBUG_3,
- (1 << 2) /* HW_CONTEXT_SWITCH_ENABLED */);
- nv_wr32(dev, 0x402ca8, 0x800);
-}
-
-static int
-nv50_graph_init_ctxctl(struct drm_device *dev)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_grctx ctx = {};
- uint32_t *cp;
- int i;
-
- NV_DEBUG(dev, "\n");
-
- cp = kmalloc(512 * 4, GFP_KERNEL);
- if (!cp) {
- NV_ERROR(dev, "failed to allocate ctxprog\n");
- dev_priv->engine.graph.accel_blocked = true;
- return 0;
- }
-
- ctx.dev = dev;
- ctx.mode = NOUVEAU_GRCTX_PROG;
- ctx.data = cp;
- ctx.ctxprog_max = 512;
- if (!nv50_grctx_init(&ctx)) {
- dev_priv->engine.graph.grctx_size = ctx.ctxvals_pos * 4;
-
- nv_wr32(dev, NV40_PGRAPH_CTXCTL_UCODE_INDEX, 0);
- for (i = 0; i < ctx.ctxprog_len; i++)
- nv_wr32(dev, NV40_PGRAPH_CTXCTL_UCODE_DATA, cp[i]);
- } else {
- dev_priv->engine.graph.accel_blocked = true;
- }
- kfree(cp);
-
- nv_wr32(dev, 0x400320, 4);
- nv_wr32(dev, NV40_PGRAPH_CTXCTL_CUR, 0);
- nv_wr32(dev, NV20_PGRAPH_CHANNEL_CTX_POINTER, 0);
- return 0;
-}
-
-int
-nv50_graph_init(struct drm_device *dev)
-{
- int ret;
-
- NV_DEBUG(dev, "\n");
-
- nv50_graph_init_reset(dev);
- nv50_graph_init_regs__nv(dev);
- nv50_graph_init_regs(dev);
- nv50_graph_init_intr(dev);
-
- ret = nv50_graph_init_ctxctl(dev);
- if (ret)
- return ret;
-
- return 0;
-}
-
-void
-nv50_graph_takedown(struct drm_device *dev)
-{
- NV_DEBUG(dev, "\n");
-}
-
-void
-nv50_graph_fifo_access(struct drm_device *dev, bool enabled)
-{
- const uint32_t mask = 0x00010001;
-
- if (enabled)
- nv_wr32(dev, 0x400500, nv_rd32(dev, 0x400500) | mask);
- else
- nv_wr32(dev, 0x400500, nv_rd32(dev, 0x400500) & ~mask);
-}
-
-struct nouveau_channel *
-nv50_graph_channel(struct drm_device *dev)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- uint32_t inst;
- int i;
-
- /* Be sure we're not in the middle of a context switch or bad things
- * will happen, such as unloading the wrong pgraph context.
- */
- if (!nv_wait(dev, 0x400300, 0x00000001, 0x00000000))
- NV_ERROR(dev, "Ctxprog is still running\n");
-
- inst = nv_rd32(dev, NV50_PGRAPH_CTXCTL_CUR);
- if (!(inst & NV50_PGRAPH_CTXCTL_CUR_LOADED))
- return NULL;
- inst = (inst & NV50_PGRAPH_CTXCTL_CUR_INSTANCE) << 12;
-
- for (i = 0; i < dev_priv->engine.fifo.channels; i++) {
- struct nouveau_channel *chan = dev_priv->fifos[i];
-
- if (chan && chan->ramin && chan->ramin->vinst == inst)
- return chan;
- }
-
- return NULL;
-}
-
-int
-nv50_graph_create_context(struct nouveau_channel *chan)
-{
- struct drm_device *dev = chan->dev;
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_gpuobj *ramin = chan->ramin;
- struct nouveau_pgraph_engine *pgraph = &dev_priv->engine.graph;
- struct nouveau_grctx ctx = {};
- int hdr, ret;
-
- NV_DEBUG(dev, "ch%d\n", chan->id);
-
- ret = nouveau_gpuobj_new(dev, chan, pgraph->grctx_size, 0x1000,
- NVOBJ_FLAG_ZERO_ALLOC |
- NVOBJ_FLAG_ZERO_FREE, &chan->ramin_grctx);
- if (ret)
- return ret;
-
- hdr = (dev_priv->chipset == 0x50) ? 0x200 : 0x20;
- nv_wo32(ramin, hdr + 0x00, 0x00190002);
- nv_wo32(ramin, hdr + 0x04, chan->ramin_grctx->vinst +
- pgraph->grctx_size - 1);
- nv_wo32(ramin, hdr + 0x08, chan->ramin_grctx->vinst);
- nv_wo32(ramin, hdr + 0x0c, 0);
- nv_wo32(ramin, hdr + 0x10, 0);
- nv_wo32(ramin, hdr + 0x14, 0x00010000);
-
- ctx.dev = chan->dev;
- ctx.mode = NOUVEAU_GRCTX_VALS;
- ctx.data = chan->ramin_grctx;
- nv50_grctx_init(&ctx);
-
- nv_wo32(chan->ramin_grctx, 0x00000, chan->ramin->vinst >> 12);
-
- dev_priv->engine.instmem.flush(dev);
- return 0;
-}
-
-void
-nv50_graph_destroy_context(struct nouveau_channel *chan)
-{
- struct drm_device *dev = chan->dev;
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- int i, hdr = (dev_priv->chipset == 0x50) ? 0x200 : 0x20;
-
- NV_DEBUG(dev, "ch%d\n", chan->id);
-
- if (!chan->ramin)
- return;
-
- for (i = hdr; i < hdr + 24; i += 4)
- nv_wo32(chan->ramin, i, 0);
- dev_priv->engine.instmem.flush(dev);
-
- nouveau_gpuobj_ref(NULL, &chan->ramin_grctx);
-}
-
-static int
-nv50_graph_do_load_context(struct drm_device *dev, uint32_t inst)
-{
- uint32_t fifo = nv_rd32(dev, 0x400500);
-
- nv_wr32(dev, 0x400500, fifo & ~1);
- nv_wr32(dev, 0x400784, inst);
- nv_wr32(dev, 0x400824, nv_rd32(dev, 0x400824) | 0x40);
- nv_wr32(dev, 0x400320, nv_rd32(dev, 0x400320) | 0x11);
- nv_wr32(dev, 0x400040, 0xffffffff);
- (void)nv_rd32(dev, 0x400040);
- nv_wr32(dev, 0x400040, 0x00000000);
- nv_wr32(dev, 0x400304, nv_rd32(dev, 0x400304) | 1);
-
- if (nouveau_wait_for_idle(dev))
- nv_wr32(dev, 0x40032c, inst | (1<<31));
- nv_wr32(dev, 0x400500, fifo);
-
- return 0;
-}
-
-int
-nv50_graph_load_context(struct nouveau_channel *chan)
-{
- uint32_t inst = chan->ramin->vinst >> 12;
-
- NV_DEBUG(chan->dev, "ch%d\n", chan->id);
- return nv50_graph_do_load_context(chan->dev, inst);
-}
-
-int
-nv50_graph_unload_context(struct drm_device *dev)
-{
- uint32_t inst;
-
- inst = nv_rd32(dev, NV50_PGRAPH_CTXCTL_CUR);
- if (!(inst & NV50_PGRAPH_CTXCTL_CUR_LOADED))
- return 0;
- inst &= NV50_PGRAPH_CTXCTL_CUR_INSTANCE;
-
- nouveau_wait_for_idle(dev);
- nv_wr32(dev, 0x400784, inst);
- nv_wr32(dev, 0x400824, nv_rd32(dev, 0x400824) | 0x20);
- nv_wr32(dev, 0x400304, nv_rd32(dev, 0x400304) | 0x01);
- nouveau_wait_for_idle(dev);
-
- nv_wr32(dev, NV50_PGRAPH_CTXCTL_CUR, inst);
- return 0;
-}
-
-void
-nv50_graph_context_switch(struct drm_device *dev)
-{
- uint32_t inst;
-
- nv50_graph_unload_context(dev);
-
- inst = nv_rd32(dev, NV50_PGRAPH_CTXCTL_NEXT);
- inst &= NV50_PGRAPH_CTXCTL_NEXT_INSTANCE;
- nv50_graph_do_load_context(dev, inst);
-
- nv_wr32(dev, NV40_PGRAPH_INTR_EN, nv_rd32(dev,
- NV40_PGRAPH_INTR_EN) | NV_PGRAPH_INTR_CONTEXT_SWITCH);
-}
-
-static int
-nv50_graph_nvsw_dma_vblsem(struct nouveau_channel *chan, int grclass,
- int mthd, uint32_t data)
-{
- struct nouveau_gpuobj *gpuobj;
-
- gpuobj = nouveau_ramht_find(chan, data);
- if (!gpuobj)
- return -ENOENT;
-
- if (nouveau_notifier_offset(gpuobj, NULL))
- return -EINVAL;
-
- chan->nvsw.vblsem = gpuobj;
- chan->nvsw.vblsem_offset = ~0;
- return 0;
-}
-
-static int
-nv50_graph_nvsw_vblsem_offset(struct nouveau_channel *chan, int grclass,
- int mthd, uint32_t data)
-{
- if (nouveau_notifier_offset(chan->nvsw.vblsem, &data))
- return -ERANGE;
-
- chan->nvsw.vblsem_offset = data >> 2;
- return 0;
-}
-
-static int
-nv50_graph_nvsw_vblsem_release_val(struct nouveau_channel *chan, int grclass,
- int mthd, uint32_t data)
-{
- chan->nvsw.vblsem_rval = data;
- return 0;
-}
-
-static int
-nv50_graph_nvsw_vblsem_release(struct nouveau_channel *chan, int grclass,
- int mthd, uint32_t data)
-{
- struct drm_device *dev = chan->dev;
- struct drm_nouveau_private *dev_priv = dev->dev_private;
-
- if (!chan->nvsw.vblsem || chan->nvsw.vblsem_offset == ~0 || data > 1)
- return -EINVAL;
-
- if (!(nv_rd32(dev, NV50_PDISPLAY_INTR_EN) &
- NV50_PDISPLAY_INTR_EN_VBLANK_CRTC_(data))) {
- nv_wr32(dev, NV50_PDISPLAY_INTR_1,
- NV50_PDISPLAY_INTR_1_VBLANK_CRTC_(data));
- nv_wr32(dev, NV50_PDISPLAY_INTR_EN, nv_rd32(dev,
- NV50_PDISPLAY_INTR_EN) |
- NV50_PDISPLAY_INTR_EN_VBLANK_CRTC_(data));
- }
-
- list_add(&chan->nvsw.vbl_wait, &dev_priv->vbl_waiting);
- return 0;
-}
-
-static struct nouveau_pgraph_object_method nv50_graph_nvsw_methods[] = {
- { 0x018c, nv50_graph_nvsw_dma_vblsem },
- { 0x0400, nv50_graph_nvsw_vblsem_offset },
- { 0x0404, nv50_graph_nvsw_vblsem_release_val },
- { 0x0408, nv50_graph_nvsw_vblsem_release },
- {}
-};
-
-struct nouveau_pgraph_object_class nv50_graph_grclass[] = {
- { 0x506e, true, nv50_graph_nvsw_methods }, /* nvsw */
- { 0x0030, false, NULL }, /* null */
- { 0x5039, false, NULL }, /* m2mf */
- { 0x502d, false, NULL }, /* 2d */
- { 0x50c0, false, NULL }, /* compute */
- { 0x85c0, false, NULL }, /* compute (nva3, nva5, nva8) */
- { 0x5097, false, NULL }, /* tesla (nv50) */
- { 0x8297, false, NULL }, /* tesla (nv8x/nv9x) */
- { 0x8397, false, NULL }, /* tesla (nva0, nvaa, nvac) */
- { 0x8597, false, NULL }, /* tesla (nva3, nva5, nva8) */
- {}
-};
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