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authorBen Skeggs <bskeggs@redhat.com>2010-10-19 13:05:51 +1000
committerBen Skeggs <bskeggs@redhat.com>2010-12-03 15:10:52 +1000
commitb7bc613a4cc08d867b43189c2af0bb83b1fa1dc6 (patch)
tree9f82aa99db8499a5f0eca1db4ae1b34352e92584 /drivers/gpu/drm
parent106ddad5aa8e8e03503cea05f9a64611f849952f (diff)
drm/nv50: move evo handling to nv50_evo.c
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/nouveau/Makefile2
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_reg.h22
-rw-r--r--drivers/gpu/drm/nouveau/nv50_display.c238
-rw-r--r--drivers/gpu/drm/nouveau/nv50_evo.c295
-rw-r--r--drivers/gpu/drm/nouveau/nv50_evo.h10
5 files changed, 322 insertions, 245 deletions
diff --git a/drivers/gpu/drm/nouveau/Makefile b/drivers/gpu/drm/nouveau/Makefile
index a541f5bff75..c8c8de0bbc7 100644
--- a/drivers/gpu/drm/nouveau/Makefile
+++ b/drivers/gpu/drm/nouveau/Makefile
@@ -20,7 +20,7 @@ nouveau-y := nouveau_drv.o nouveau_state.o nouveau_channel.o nouveau_mem.o \
nv40_grctx.o nv50_grctx.o \
nv84_crypt.o \
nv04_instmem.o nv50_instmem.o nvc0_instmem.o \
- nv50_crtc.o nv50_dac.o nv50_sor.o \
+ nv50_evo.o nv50_crtc.o nv50_dac.o nv50_sor.o \
nv50_cursor.o nv50_display.o nv50_fbcon.o \
nv04_dac.o nv04_dfp.o nv04_tv.o nv17_tv.o nv17_tv_modes.o \
nv04_crtc.o nv04_display.o nv04_cursor.o nv04_fbcon.o \
diff --git a/drivers/gpu/drm/nouveau/nouveau_reg.h b/drivers/gpu/drm/nouveau/nouveau_reg.h
index 5e28bc63c41..d0ce86c24eb 100644
--- a/drivers/gpu/drm/nouveau/nouveau_reg.h
+++ b/drivers/gpu/drm/nouveau/nouveau_reg.h
@@ -729,17 +729,17 @@
#define NV50_PDISPLAY_UNK30_CTRL_PENDING 0x80000000
#define NV50_PDISPLAY_TRAPPED_ADDR 0x00610080
#define NV50_PDISPLAY_TRAPPED_DATA 0x00610084
-#define NV50_PDISPLAY_CHANNEL_STAT(i) ((i) * 0x10 + 0x00610200)
-#define NV50_PDISPLAY_CHANNEL_STAT_DMA 0x00000010
-#define NV50_PDISPLAY_CHANNEL_STAT_DMA_DISABLED 0x00000000
-#define NV50_PDISPLAY_CHANNEL_STAT_DMA_ENABLED 0x00000010
-#define NV50_PDISPLAY_CHANNEL_DMA_CB(i) ((i) * 0x10 + 0x00610204)
-#define NV50_PDISPLAY_CHANNEL_DMA_CB_LOCATION 0x00000002
-#define NV50_PDISPLAY_CHANNEL_DMA_CB_LOCATION_VRAM 0x00000000
-#define NV50_PDISPLAY_CHANNEL_DMA_CB_LOCATION_SYSTEM 0x00000002
-#define NV50_PDISPLAY_CHANNEL_DMA_CB_VALID 0x00000001
-#define NV50_PDISPLAY_CHANNEL_UNK2(i) ((i) * 0x10 + 0x00610208)
-#define NV50_PDISPLAY_CHANNEL_UNK3(i) ((i) * 0x10 + 0x0061020c)
+#define NV50_PDISPLAY_EVO_CTRL(i) ((i) * 0x10 + 0x00610200)
+#define NV50_PDISPLAY_EVO_CTRL_DMA 0x00000010
+#define NV50_PDISPLAY_EVO_CTRL_DMA_DISABLED 0x00000000
+#define NV50_PDISPLAY_EVO_CTRL_DMA_ENABLED 0x00000010
+#define NV50_PDISPLAY_EVO_DMA_CB(i) ((i) * 0x10 + 0x00610204)
+#define NV50_PDISPLAY_EVO_DMA_CB_LOCATION 0x00000002
+#define NV50_PDISPLAY_EVO_DMA_CB_LOCATION_VRAM 0x00000000
+#define NV50_PDISPLAY_EVO_DMA_CB_LOCATION_SYSTEM 0x00000002
+#define NV50_PDISPLAY_EVO_DMA_CB_VALID 0x00000001
+#define NV50_PDISPLAY_EVO_UNK2(i) ((i) * 0x10 + 0x00610208)
+#define NV50_PDISPLAY_EVO_HASH_TAG(i) ((i) * 0x10 + 0x0061020c)
#define NV50_PDISPLAY_CURSOR 0x00610270
#define NV50_PDISPLAY_CURSOR_CURSOR_CTRL2(i) ((i) * 0x10 + 0x00610270)
diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c
index 7c9c7c5bf22..db100a8f231 100644
--- a/drivers/gpu/drm/nouveau/nv50_display.c
+++ b/drivers/gpu/drm/nouveau/nv50_display.c
@@ -46,159 +46,6 @@ nv50_sor_nr(struct drm_device *dev)
return 4;
}
-static void
-nv50_evo_channel_del(struct nouveau_channel **pchan)
-{
- struct nouveau_channel *chan = *pchan;
-
- if (!chan)
- return;
- *pchan = NULL;
-
- nouveau_gpuobj_channel_takedown(chan);
- nouveau_bo_unmap(chan->pushbuf_bo);
- nouveau_bo_ref(NULL, &chan->pushbuf_bo);
-
- if (chan->user)
- iounmap(chan->user);
-
- kfree(chan);
-}
-
-static int
-nv50_evo_dmaobj_new(struct nouveau_channel *evo, uint32_t class, uint32_t name,
- uint32_t tile_flags, uint32_t magic_flags,
- uint32_t offset, uint32_t limit)
-{
- struct drm_nouveau_private *dev_priv = evo->dev->dev_private;
- struct drm_device *dev = evo->dev;
- struct nouveau_gpuobj *obj = NULL;
- int ret;
-
- ret = nouveau_gpuobj_new(dev, evo, 6*4, 32, 0, &obj);
- if (ret)
- return ret;
- obj->engine = NVOBJ_ENGINE_DISPLAY;
-
- nv_wo32(obj, 0, (tile_flags << 22) | (magic_flags << 16) | class);
- nv_wo32(obj, 4, limit);
- nv_wo32(obj, 8, offset);
- nv_wo32(obj, 12, 0x00000000);
- nv_wo32(obj, 16, 0x00000000);
- if (dev_priv->card_type < NV_C0)
- nv_wo32(obj, 20, 0x00010000);
- else
- nv_wo32(obj, 20, 0x00020000);
- dev_priv->engine.instmem.flush(dev);
-
- ret = nouveau_ramht_insert(evo, name, obj);
- nouveau_gpuobj_ref(NULL, &obj);
- if (ret) {
- return ret;
- }
-
- return 0;
-}
-
-static int
-nv50_evo_channel_new(struct drm_device *dev, struct nouveau_channel **pchan)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_gpuobj *ramht = NULL;
- struct nouveau_channel *chan;
- int ret;
-
- chan = kzalloc(sizeof(struct nouveau_channel), GFP_KERNEL);
- if (!chan)
- return -ENOMEM;
- *pchan = chan;
-
- chan->id = -1;
- chan->dev = dev;
- chan->user_get = 4;
- chan->user_put = 0;
-
- ret = nouveau_gpuobj_new(dev, NULL, 32768, 0x1000,
- NVOBJ_FLAG_ZERO_ALLOC, &chan->ramin);
- if (ret) {
- NV_ERROR(dev, "Error allocating EVO channel memory: %d\n", ret);
- nv50_evo_channel_del(pchan);
- return ret;
- }
-
- ret = drm_mm_init(&chan->ramin_heap, 0, 32768);
- if (ret) {
- NV_ERROR(dev, "Error initialising EVO PRAMIN heap: %d\n", ret);
- nv50_evo_channel_del(pchan);
- return ret;
- }
-
- ret = nouveau_gpuobj_new(dev, chan, 4096, 16, 0, &ramht);
- if (ret) {
- NV_ERROR(dev, "Unable to allocate EVO RAMHT: %d\n", ret);
- nv50_evo_channel_del(pchan);
- return ret;
- }
-
- ret = nouveau_ramht_new(dev, ramht, &chan->ramht);
- nouveau_gpuobj_ref(NULL, &ramht);
- if (ret) {
- nv50_evo_channel_del(pchan);
- return ret;
- }
-
- if (dev_priv->chipset != 0x50) {
- ret = nv50_evo_dmaobj_new(chan, 0x3d, NvEvoFB16, 0x70, 0x19,
- 0, 0xffffffff);
- if (ret) {
- nv50_evo_channel_del(pchan);
- return ret;
- }
-
-
- ret = nv50_evo_dmaobj_new(chan, 0x3d, NvEvoFB32, 0x7a, 0x19,
- 0, 0xffffffff);
- if (ret) {
- nv50_evo_channel_del(pchan);
- return ret;
- }
- }
-
- ret = nv50_evo_dmaobj_new(chan, 0x3d, NvEvoVRAM, 0, 0x19,
- 0, dev_priv->vram_size);
- if (ret) {
- nv50_evo_channel_del(pchan);
- return ret;
- }
-
- ret = nouveau_bo_new(dev, NULL, 4096, 0, TTM_PL_FLAG_VRAM, 0, 0,
- false, true, &chan->pushbuf_bo);
- if (ret == 0)
- ret = nouveau_bo_pin(chan->pushbuf_bo, TTM_PL_FLAG_VRAM);
- if (ret) {
- NV_ERROR(dev, "Error creating EVO DMA push buffer: %d\n", ret);
- nv50_evo_channel_del(pchan);
- return ret;
- }
-
- ret = nouveau_bo_map(chan->pushbuf_bo);
- if (ret) {
- NV_ERROR(dev, "Error mapping EVO DMA push buffer: %d\n", ret);
- nv50_evo_channel_del(pchan);
- return ret;
- }
-
- chan->user = ioremap(pci_resource_start(dev->pdev, 0) +
- NV50_PDISPLAY_USER(0), PAGE_SIZE);
- if (!chan->user) {
- NV_ERROR(dev, "Error mapping EVO control regs.\n");
- nv50_evo_channel_del(pchan);
- return -ENOMEM;
- }
-
- return 0;
-}
-
int
nv50_display_early_init(struct drm_device *dev)
{
@@ -214,12 +61,10 @@ int
nv50_display_init(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_timer_engine *ptimer = &dev_priv->engine.timer;
struct nouveau_gpio_engine *pgpio = &dev_priv->engine.gpio;
- struct nouveau_channel *evo = dev_priv->evo;
struct drm_connector *connector;
+ struct nouveau_channel *evo;
int ret, i;
- u64 start;
u32 val;
NV_DEBUG_KMS(dev, "\n");
@@ -303,7 +148,6 @@ nv50_display_init(struct drm_device *dev)
}
}
- nv_wr32(dev, NV50_PDISPLAY_OBJECTS, (evo->ramin->vinst >> 8) | 9);
nv_wr32(dev, NV50_PDISPLAY_PIO_CTRL, 0x00000000);
nv_wr32(dev, 0x610028, 0x00000000);
nv_mask(dev, NV50_PDISPLAY_INTR_0, 0x00000000, 0x00000000);
@@ -323,69 +167,12 @@ nv50_display_init(struct drm_device *dev)
pgpio->irq_enable(dev, conn->dcb->gpio_tag, true);
}
- /* taken from nv bug #12637, attempts to un-wedge the hw if it's
- * stuck in some unspecified state
- */
- start = ptimer->read(dev);
- nv_wr32(dev, NV50_PDISPLAY_CHANNEL_STAT(0), 0x2b00);
- while ((val = nv_rd32(dev, NV50_PDISPLAY_CHANNEL_STAT(0))) & 0x1e0000) {
- if ((val & 0x9f0000) == 0x20000)
- nv_wr32(dev, NV50_PDISPLAY_CHANNEL_STAT(0),
- val | 0x800000);
-
- if ((val & 0x3f0000) == 0x30000)
- nv_wr32(dev, NV50_PDISPLAY_CHANNEL_STAT(0),
- val | 0x200000);
-
- if (ptimer->read(dev) - start > 1000000000ULL) {
- NV_ERROR(dev, "timeout: (0x610200 & 0x1e0000) != 0\n");
- NV_ERROR(dev, "0x610200 = 0x%08x\n", val);
- return -EBUSY;
- }
- }
-
- nv_wr32(dev, NV50_PDISPLAY_CHANNEL_STAT(0), 0x1000b03);
- if (!nv_wait(dev, NV50_PDISPLAY_CHANNEL_STAT(0),
- 0x40000000, 0x40000000)) {
- NV_ERROR(dev, "timeout: (0x610200 & 0x40000000) == 0x40000000\n");
- NV_ERROR(dev, "0x610200 = 0x%08x\n",
- nv_rd32(dev, NV50_PDISPLAY_CHANNEL_STAT(0)));
- return -EBUSY;
- }
-
- /* initialise fifo */
- nv_wr32(dev, NV50_PDISPLAY_CHANNEL_DMA_CB(0),
- ((evo->pushbuf_bo->bo.mem.start << PAGE_SHIFT) >> 8) |
- NV50_PDISPLAY_CHANNEL_DMA_CB_LOCATION_VRAM |
- NV50_PDISPLAY_CHANNEL_DMA_CB_VALID);
- nv_wr32(dev, NV50_PDISPLAY_CHANNEL_UNK2(0), 0x00010000);
- nv_wr32(dev, NV50_PDISPLAY_CHANNEL_UNK3(0), 0x00000002);
- if (!nv_wait(dev, 0x610200, 0x80000000, 0x00000000)) {
- NV_ERROR(dev, "timeout: (0x610200 & 0x80000000) == 0\n");
- NV_ERROR(dev, "0x610200 = 0x%08x\n", nv_rd32(dev, 0x610200));
- return -EBUSY;
- }
- nv_wr32(dev, NV50_PDISPLAY_CHANNEL_STAT(0),
- (nv_rd32(dev, NV50_PDISPLAY_CHANNEL_STAT(0)) & ~0x00000003) |
- NV50_PDISPLAY_CHANNEL_STAT_DMA_ENABLED);
- nv_wr32(dev, NV50_PDISPLAY_USER_PUT(0), 0);
- nv_wr32(dev, NV50_PDISPLAY_CHANNEL_STAT(0), 0x01000003 |
- NV50_PDISPLAY_CHANNEL_STAT_DMA_ENABLED);
-
- /* enable error reporting on the channel */
- nv_mask(dev, 0x610028, 0x00000000, 0x00010001 << 0);
-
- evo->dma.max = (4096/4) - 2;
- evo->dma.put = 0;
- evo->dma.cur = evo->dma.put;
- evo->dma.free = evo->dma.max - evo->dma.cur;
-
- ret = RING_SPACE(evo, NOUVEAU_DMA_SKIPS);
+ ret = nv50_evo_init(dev);
if (ret)
return ret;
+ evo = dev_priv->evo;
- for (i = 0; i < NOUVEAU_DMA_SKIPS; i++)
- OUT_RING(evo, 0);
+ nv_wr32(dev, NV50_PDISPLAY_OBJECTS, (evo->ramin->vinst >> 8) | 9);
ret = RING_SPACE(evo, 11);
if (ret)
@@ -449,12 +236,7 @@ static int nv50_display_disable(struct drm_device *dev)
}
}
- nv_wr32(dev, NV50_PDISPLAY_CHANNEL_STAT(0), 0);
- if (!nv_wait(dev, NV50_PDISPLAY_CHANNEL_STAT(0), 0x1e0000, 0)) {
- NV_ERROR(dev, "timeout: (0x610200 & 0x1e0000) == 0\n");
- NV_ERROR(dev, "0x610200 = 0x%08x\n",
- nv_rd32(dev, NV50_PDISPLAY_CHANNEL_STAT(0)));
- }
+ nv50_evo_fini(dev);
for (i = 0; i < 3; i++) {
if (!nv_wait(dev, NV50_PDISPLAY_SOR_DPMS_STATE(i),
@@ -504,13 +286,6 @@ int nv50_display_create(struct drm_device *dev)
dev->mode_config.fb_base = dev_priv->fb_phys;
- /* Create EVO channel */
- ret = nv50_evo_channel_new(dev, &dev_priv->evo);
- if (ret) {
- NV_ERROR(dev, "Error creating EVO channel: %d\n", ret);
- return ret;
- }
-
/* Create CRTC objects */
for (i = 0; i < 2; i++)
nv50_crtc_create(dev, i);
@@ -565,14 +340,11 @@ int nv50_display_create(struct drm_device *dev)
void
nv50_display_destroy(struct drm_device *dev)
{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
-
NV_DEBUG_KMS(dev, "\n");
drm_mode_config_cleanup(dev);
nv50_display_disable(dev);
- nv50_evo_channel_del(&dev_priv->evo);
}
static u16
diff --git a/drivers/gpu/drm/nouveau/nv50_evo.c b/drivers/gpu/drm/nouveau/nv50_evo.c
new file mode 100644
index 00000000000..211f5fb1dc7
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nv50_evo.c
@@ -0,0 +1,295 @@
+/*
+ * 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_dma.h"
+#include "nouveau_ramht.h"
+
+static void
+nv50_evo_channel_del(struct nouveau_channel **pchan)
+{
+ struct nouveau_channel *chan = *pchan;
+
+ if (!chan)
+ return;
+ *pchan = NULL;
+
+ nouveau_gpuobj_channel_takedown(chan);
+ nouveau_bo_unmap(chan->pushbuf_bo);
+ nouveau_bo_ref(NULL, &chan->pushbuf_bo);
+
+ if (chan->user)
+ iounmap(chan->user);
+
+ kfree(chan);
+}
+
+int
+nv50_evo_dmaobj_new(struct nouveau_channel *evo, u32 class, u32 name,
+ u32 tile_flags, u32 magic_flags, u32 offset, u32 limit)
+{
+ struct drm_nouveau_private *dev_priv = evo->dev->dev_private;
+ struct drm_device *dev = evo->dev;
+ struct nouveau_gpuobj *obj = NULL;
+ int ret;
+
+ ret = nouveau_gpuobj_new(dev, evo, 6*4, 32, 0, &obj);
+ if (ret)
+ return ret;
+ obj->engine = NVOBJ_ENGINE_DISPLAY;
+
+ nv_wo32(obj, 0, (tile_flags << 22) | (magic_flags << 16) | class);
+ nv_wo32(obj, 4, limit);
+ nv_wo32(obj, 8, offset);
+ nv_wo32(obj, 12, 0x00000000);
+ nv_wo32(obj, 16, 0x00000000);
+ if (dev_priv->card_type < NV_C0)
+ nv_wo32(obj, 20, 0x00010000);
+ else
+ nv_wo32(obj, 20, 0x00020000);
+ dev_priv->engine.instmem.flush(dev);
+
+ ret = nouveau_ramht_insert(evo, name, obj);
+ nouveau_gpuobj_ref(NULL, &obj);
+ if (ret) {
+ return ret;
+ }
+
+ return 0;
+}
+
+static int
+nv50_evo_channel_new(struct drm_device *dev, struct nouveau_channel **pchan)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct nouveau_gpuobj *ramht = NULL;
+ struct nouveau_channel *chan;
+ int ret;
+
+ chan = kzalloc(sizeof(struct nouveau_channel), GFP_KERNEL);
+ if (!chan)
+ return -ENOMEM;
+ *pchan = chan;
+
+ chan->id = -1;
+ chan->dev = dev;
+ chan->user_get = 4;
+ chan->user_put = 0;
+
+ ret = nouveau_gpuobj_new(dev, NULL, 32768, 0x1000,
+ NVOBJ_FLAG_ZERO_ALLOC, &chan->ramin);
+ if (ret) {
+ NV_ERROR(dev, "Error allocating EVO channel memory: %d\n", ret);
+ nv50_evo_channel_del(pchan);
+ return ret;
+ }
+
+ ret = drm_mm_init(&chan->ramin_heap, 0, 32768);
+ if (ret) {
+ NV_ERROR(dev, "Error initialising EVO PRAMIN heap: %d\n", ret);
+ nv50_evo_channel_del(pchan);
+ return ret;
+ }
+
+ ret = nouveau_gpuobj_new(dev, chan, 4096, 16, 0, &ramht);
+ if (ret) {
+ NV_ERROR(dev, "Unable to allocate EVO RAMHT: %d\n", ret);
+ nv50_evo_channel_del(pchan);
+ return ret;
+ }
+
+ ret = nouveau_ramht_new(dev, ramht, &chan->ramht);
+ nouveau_gpuobj_ref(NULL, &ramht);
+ if (ret) {
+ nv50_evo_channel_del(pchan);
+ return ret;
+ }
+
+ if (dev_priv->chipset != 0x50) {
+ ret = nv50_evo_dmaobj_new(chan, 0x3d, NvEvoFB16, 0x70, 0x19,
+ 0, 0xffffffff);
+ if (ret) {
+ nv50_evo_channel_del(pchan);
+ return ret;
+ }
+
+
+ ret = nv50_evo_dmaobj_new(chan, 0x3d, NvEvoFB32, 0x7a, 0x19,
+ 0, 0xffffffff);
+ if (ret) {
+ nv50_evo_channel_del(pchan);
+ return ret;
+ }
+ }
+
+ ret = nv50_evo_dmaobj_new(chan, 0x3d, NvEvoVRAM, 0, 0x19,
+ 0, dev_priv->vram_size);
+ if (ret) {
+ nv50_evo_channel_del(pchan);
+ return ret;
+ }
+
+ ret = nouveau_bo_new(dev, NULL, 4096, 0, TTM_PL_FLAG_VRAM, 0, 0,
+ false, true, &chan->pushbuf_bo);
+ if (ret == 0)
+ ret = nouveau_bo_pin(chan->pushbuf_bo, TTM_PL_FLAG_VRAM);
+ if (ret) {
+ NV_ERROR(dev, "Error creating EVO DMA push buffer: %d\n", ret);
+ nv50_evo_channel_del(pchan);
+ return ret;
+ }
+
+ ret = nouveau_bo_map(chan->pushbuf_bo);
+ if (ret) {
+ NV_ERROR(dev, "Error mapping EVO DMA push buffer: %d\n", ret);
+ nv50_evo_channel_del(pchan);
+ return ret;
+ }
+
+ chan->user = ioremap(pci_resource_start(dev->pdev, 0) +
+ NV50_PDISPLAY_USER(0), PAGE_SIZE);
+ if (!chan->user) {
+ NV_ERROR(dev, "Error mapping EVO control regs.\n");
+ nv50_evo_channel_del(pchan);
+ return -ENOMEM;
+ }
+
+ return 0;
+}
+
+static int
+nv50_evo_channel_init(struct nouveau_channel *evo)
+{
+ struct drm_nouveau_private *dev_priv = evo->dev->dev_private;
+ struct nouveau_timer_engine *ptimer = &dev_priv->engine.timer;
+ struct drm_device *dev = evo->dev;
+ int ret, i;
+ u64 start;
+ u32 tmp;
+
+ /* taken from nv bug #12637, attempts to un-wedge the hw if it's
+ * stuck in some unspecified state
+ */
+ start = ptimer->read(dev);
+ nv_wr32(dev, NV50_PDISPLAY_EVO_CTRL(0), 0x2b00);
+ while ((tmp = nv_rd32(dev, NV50_PDISPLAY_EVO_CTRL(0))) & 0x1e0000) {
+ if ((tmp & 0x9f0000) == 0x20000)
+ nv_wr32(dev, NV50_PDISPLAY_EVO_CTRL(0), tmp | 0x800000);
+
+ if ((tmp & 0x3f0000) == 0x30000)
+ nv_wr32(dev, NV50_PDISPLAY_EVO_CTRL(0), tmp | 0x200000);
+
+ if (ptimer->read(dev) - start > 1000000000ULL) {
+ NV_ERROR(dev, "timeout: (0x610200 & 0x1e0000) != 0\n");
+ NV_ERROR(dev, "0x610200 = 0x%08x\n", tmp);
+ return -EBUSY;
+ }
+ }
+
+ nv_wr32(dev, NV50_PDISPLAY_EVO_CTRL(0), 0x1000b03);
+ if (!nv_wait(dev, NV50_PDISPLAY_EVO_CTRL(0),
+ 0x40000000, 0x40000000)) {
+ NV_ERROR(dev, "timeout: (0x610200 & 0x40000000) == 0x40000000\n");
+ NV_ERROR(dev, "0x610200 = 0x%08x\n",
+ nv_rd32(dev, NV50_PDISPLAY_EVO_CTRL(0)));
+ return -EBUSY;
+ }
+
+ /* initialise fifo */
+ nv_wr32(dev, NV50_PDISPLAY_EVO_DMA_CB(0),
+ ((evo->pushbuf_bo->bo.mem.start << PAGE_SHIFT) >> 8) |
+ NV50_PDISPLAY_EVO_DMA_CB_LOCATION_VRAM |
+ NV50_PDISPLAY_EVO_DMA_CB_VALID);
+ nv_wr32(dev, NV50_PDISPLAY_EVO_UNK2(0), 0x00010000);
+ nv_wr32(dev, NV50_PDISPLAY_EVO_HASH_TAG(0), 0x00000002);
+ if (!nv_wait(dev, 0x610200, 0x80000000, 0x00000000)) {
+ NV_ERROR(dev, "timeout: (0x610200 & 0x80000000) == 0\n");
+ NV_ERROR(dev, "0x610200 = 0x%08x\n", nv_rd32(dev, 0x610200));
+ return -EBUSY;
+ }
+ nv_wr32(dev, NV50_PDISPLAY_EVO_CTRL(0),
+ (nv_rd32(dev, NV50_PDISPLAY_EVO_CTRL(0)) & ~0x00000003) |
+ NV50_PDISPLAY_EVO_CTRL_DMA_ENABLED);
+ nv_wr32(dev, NV50_PDISPLAY_USER_PUT(0), 0);
+ nv_wr32(dev, NV50_PDISPLAY_EVO_CTRL(0), 0x01000003 |
+ NV50_PDISPLAY_EVO_CTRL_DMA_ENABLED);
+
+ /* enable error reporting on the channel */
+ nv_mask(dev, 0x610028, 0x00000000, 0x00010001 << 0);
+
+ evo->dma.max = (4096/4) - 2;
+ evo->dma.put = 0;
+ evo->dma.cur = evo->dma.put;
+ evo->dma.free = evo->dma.max - evo->dma.cur;
+
+ ret = RING_SPACE(evo, NOUVEAU_DMA_SKIPS);
+ if (ret)
+ return ret;
+
+ for (i = 0; i < NOUVEAU_DMA_SKIPS; i++)
+ OUT_RING(evo, 0);
+
+ return 0;
+}
+
+static void
+nv50_evo_channel_fini(struct nouveau_channel *evo)
+{
+ struct drm_device *dev = evo->dev;
+
+ nv_wr32(dev, NV50_PDISPLAY_EVO_CTRL(0), 0);
+ if (!nv_wait(dev, NV50_PDISPLAY_EVO_CTRL(0), 0x1e0000, 0)) {
+ NV_ERROR(dev, "timeout: (0x610200 & 0x1e0000) == 0\n");
+ NV_ERROR(dev, "0x610200 = 0x%08x\n",
+ nv_rd32(dev, NV50_PDISPLAY_EVO_CTRL(0)));
+ }
+}
+
+int
+nv50_evo_init(struct drm_device *dev)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ int ret;
+
+ if (!dev_priv->evo) {
+ ret = nv50_evo_channel_new(dev, &dev_priv->evo);
+ if (ret)
+ return ret;
+ }
+
+ return nv50_evo_channel_init(dev_priv->evo);
+}
+
+void
+nv50_evo_fini(struct drm_device *dev)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+
+ if (dev_priv->evo) {
+ nv50_evo_channel_fini(dev_priv->evo);
+ nv50_evo_channel_del(&dev_priv->evo);
+ }
+}
diff --git a/drivers/gpu/drm/nouveau/nv50_evo.h b/drivers/gpu/drm/nouveau/nv50_evo.h
index aae13343bce..aa4f0d3cea8 100644
--- a/drivers/gpu/drm/nouveau/nv50_evo.h
+++ b/drivers/gpu/drm/nouveau/nv50_evo.h
@@ -24,6 +24,15 @@
*
*/
+#ifndef __NV50_EVO_H__
+#define __NV50_EVO_H__
+
+int nv50_evo_init(struct drm_device *dev);
+void nv50_evo_fini(struct drm_device *dev);
+int nv50_evo_dmaobj_new(struct nouveau_channel *, u32 class, u32 name,
+ u32 tile_flags, u32 magic_flags,
+ u32 offset, u32 limit);
+
#define NV50_EVO_UPDATE 0x00000080
#define NV50_EVO_UNK84 0x00000084
#define NV50_EVO_UNK84_NOTIFY 0x40000000
@@ -111,3 +120,4 @@
#define NV50_EVO_CRTC_SCALE_RES1 0x000008d8
#define NV50_EVO_CRTC_SCALE_RES2 0x000008dc
+#endif