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-rw-r--r--linux-core/Makefile10
-rw-r--r--linux-core/Makefile.kernel2
-rw-r--r--linux-core/nouveau_drv.c101
-rw-r--r--shared-core/Makefile.am1
-rw-r--r--shared-core/nouveau_drm.h119
-rw-r--r--shared-core/nouveau_drv.h168
-rw-r--r--shared-core/nouveau_fifo.c270
-rw-r--r--shared-core/nouveau_irq.c208
-rw-r--r--shared-core/nouveau_mem.c503
-rw-r--r--shared-core/nouveau_object.c565
-rw-r--r--shared-core/nouveau_reg.h103
-rw-r--r--shared-core/nouveau_state.c134
12 files changed, 2182 insertions, 2 deletions
diff --git a/linux-core/Makefile b/linux-core/Makefile
index 32828d28..e3432b5c 100644
--- a/linux-core/Makefile
+++ b/linux-core/Makefile
@@ -58,7 +58,7 @@ endif
# Modules for all architectures
MODULE_LIST := drm.o tdfx.o r128.o radeon.o mga.o sis.o savage.o via.o \
- mach64.o nv.o
+ mach64.o nv.o nouveau.o
# Modules only for ix86 architectures
ifneq (,$(findstring 86,$(MACHINE)))
@@ -106,10 +106,12 @@ MACH64SHARED = mach64_drv.h mach64_drm.h mach64_dma.c \
NVHEADERS = nv_drv.h $(DRMHEADERS)
NVSHARED = nv_drv.h
FFBHEADERS = ffb_drv.h $(DRMHEADERS)
+NOUVEAUHEADERS = nouveau_drv.h nouveau_drm.h nouveau_reg.h $(DRMHEADERS)
+NOUVEAUSHARED = nouveau_drv.h nouveau_drm.h nouveau_reg.h nouveau_state.c nouveau_fifo.c nouveau_mem.c nouveau_object.c nouveau_irq.c
SHAREDSRC = $(DRMSHARED) $(MGASHARED) $(R128SHARED) $(RADEONSHARED) \
$(SISSHARED) $(TDFXSHARED) $(VIASHARED) $(MACH64SHARED) \
- $(I915SHARED) $(SAVAGESHARED) $(NVSHARED)
+ $(I915SHARED) $(SAVAGESHARED) $(NVSHARED) $(NOUVEAUSHARED)
PROGS = dristat drmstat
@@ -372,6 +374,9 @@ endif
ifneq (,$(findstring nv,$(DRM_MODULES)))
CONFIG_DRM_NV := m
endif
+ifneq (,$(findstring nouveau,$(DRM_MODULES)))
+CONFIG_DRM_NOUVEAU := m
+endif
# These require AGP support
@@ -402,6 +407,7 @@ $(savage-objs): $(SAVAGEHEADERS)
$(via-objs): $(VIAHEADERS)
$(mach64-objs): $(MACH64HEADERS)
$(nv-objs): $(NVHEADERS)
+$(nouveau-objs): $(NOUVEAUHEADERS)
endif
diff --git a/linux-core/Makefile.kernel b/linux-core/Makefile.kernel
index 211e5b05..950259bd 100644
--- a/linux-core/Makefile.kernel
+++ b/linux-core/Makefile.kernel
@@ -19,6 +19,7 @@ mga-objs := mga_drv.o mga_dma.o mga_state.o mga_warp.o mga_irq.o
i810-objs := i810_drv.o i810_dma.o
i830-objs := i830_drv.o i830_dma.o i830_irq.o
i915-objs := i915_drv.o i915_dma.o i915_irq.o i915_mem.o
+nouveau-objs := nouveau_drv.o nouveau_state.o nouveau_fifo.o nouveau_mem.o nouveau_object.o nouveau_irq.o
radeon-objs := radeon_drv.o radeon_cp.o radeon_state.o radeon_mem.o radeon_irq.o r300_cmdbuf.o
sis-objs := sis_drv.o sis_mm.o
ffb-objs := ffb_drv.o ffb_context.o
@@ -50,3 +51,4 @@ obj-$(CONFIG_DRM_SAVAGE)+= savage.o
obj-$(CONFIG_DRM_VIA) += via.o
obj-$(CONFIG_DRM_MACH64)+= mach64.o
obj-$(CONFIG_DRM_NV) += nv.o
+obj-$(CONFIG_DRM_NOUVEAU) += nouveau.o
diff --git a/linux-core/nouveau_drv.c b/linux-core/nouveau_drv.c
new file mode 100644
index 00000000..2093ffee
--- /dev/null
+++ b/linux-core/nouveau_drv.c
@@ -0,0 +1,101 @@
+/*
+ * Copyright 2005 Stephane Marchesin.
+ * 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
+ * VA LINUX SYSTEMS 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 <linux/config.h>
+#include "drmP.h"
+#include "drm.h"
+#include "nouveau_drv.h"
+
+#include "drm_pciids.h"
+
+static struct pci_device_id pciidlist[] = {
+ nouveau_PCI_IDS
+};
+
+extern drm_ioctl_desc_t nouveau_ioctls[];
+extern int nouveau_max_ioctl;
+
+static int probe(struct pci_dev *pdev, const struct pci_device_id *ent);
+static struct drm_driver driver = {
+ .driver_features =
+ DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
+ DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED,
+ .load = nouveau_load,
+ .firstopen = nouveau_firstopen,
+ .unload = nouveau_unload,
+ .preclose = nouveau_preclose,
+ .irq_preinstall = nouveau_irq_preinstall,
+ .irq_postinstall = nouveau_irq_postinstall,
+ .irq_uninstall = nouveau_irq_uninstall,
+ .irq_handler = nouveau_irq_handler,
+ .reclaim_buffers = drm_core_reclaim_buffers,
+ .get_map_ofs = drm_core_get_map_ofs,
+ .get_reg_ofs = drm_core_get_reg_ofs,
+ .ioctls = nouveau_ioctls,
+ .fops = {
+ .owner = THIS_MODULE,
+ .open = drm_open,
+ .release = drm_release,
+ .ioctl = drm_ioctl,
+ .mmap = drm_mmap,
+ .poll = drm_poll,
+ .fasync = drm_fasync,
+ },
+ .pci_driver = {
+ .name = DRIVER_NAME,
+ .id_table = pciidlist,
+ .probe = probe,
+ .remove = __devexit_p(drm_cleanup_pci),
+ },
+
+ .name = DRIVER_NAME,
+ .desc = DRIVER_DESC,
+ .date = DRIVER_DATE,
+ .major = DRIVER_MAJOR,
+ .minor = DRIVER_MINOR,
+ .patchlevel = DRIVER_PATCHLEVEL,
+};
+
+static int probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+{
+ return drm_get_dev(pdev, ent, &driver);
+}
+
+static int __init nouveau_init(void)
+{
+ driver.num_ioctls = nouveau_max_ioctl;
+ return drm_init(&driver, pciidlist);
+}
+
+static void __exit nouveau_exit(void)
+{
+ drm_exit(&driver);
+}
+
+module_init(nouveau_init);
+module_exit(nouveau_exit);
+
+MODULE_AUTHOR(DRIVER_AUTHOR);
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_LICENSE("GPL and additional rights");
diff --git a/shared-core/Makefile.am b/shared-core/Makefile.am
index cd278643..f0ebf2a3 100644
--- a/shared-core/Makefile.am
+++ b/shared-core/Makefile.am
@@ -29,6 +29,7 @@ klibdrminclude_HEADERS = \
i915_drm.h \
mach64_drm.h \
mga_drm.h \
+ nouveau_drm.h \
r128_drm.h \
radeon_drm.h \
savage_drm.h \
diff --git a/shared-core/nouveau_drm.h b/shared-core/nouveau_drm.h
new file mode 100644
index 00000000..eab8ca29
--- /dev/null
+++ b/shared-core/nouveau_drm.h
@@ -0,0 +1,119 @@
+/*
+ * Copyright 2005 Stephane Marchesin.
+ * 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
+ * VA LINUX SYSTEMS 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.
+ */
+
+#ifndef __NOUVEAU_DRM_H__
+#define __NOUVEAU_DRM_H__
+
+typedef struct drm_nouveau_fifo_init {
+ int channel;
+ uint32_t put_base;
+ /* FIFO control regs */
+ drm_handle_t ctrl;
+ int ctrl_size;
+ /* DMA command buffer */
+ drm_handle_t cmdbuf;
+ int cmdbuf_size;
+}
+drm_nouveau_fifo_init_t;
+
+typedef struct drm_nouveau_object_init {
+ uint32_t handle;
+ int class;
+ uint32_t flags0, flags1, flags2;
+ /* these are object handles */
+ uint32_t dma0;
+ uint32_t dma1;
+ uint32_t dma_notifier;
+}
+drm_nouveau_object_init_t;
+
+typedef struct drm_nouveau_dma_object_init {
+ uint32_t handle;
+ int access;
+ int target;
+ uint32_t offset;
+ int size;
+}
+drm_nouveau_dma_object_init_t;
+
+#define NOUVEAU_MEM_FB 0x00000001
+#define NOUVEAU_MEM_AGP 0x00000002
+#define NOUVEAU_MEM_FB_ACCEPTABLE 0x00000004
+#define NOUVEAU_MEM_AGP_ACCEPTABLE 0x00000008
+#define NOUVEAU_MEM_PINNED 0x00000010
+#define NOUVEAU_MEM_USER_BACKED 0x00000020
+#define NOUVEAU_MEM_MAPPED 0x00000040
+
+typedef struct drm_nouveau_mem_alloc {
+ int flags;
+ int alignment;
+ uint64_t size; // in bytes
+ uint64_t __user *region_offset;
+}
+drm_nouveau_mem_alloc_t;
+
+typedef struct drm_nouveau_mem_free {
+ int flags;
+ uint64_t region_offset;
+}
+drm_nouveau_mem_free_t;
+
+enum nouveau_card_type {
+ NV_UNKNOWN =0,
+ NV_01 =1,
+ NV_03 =3,
+ NV_04 =4,
+ NV_05 =5,
+ NV_10 =10,
+ NV_20 =20,
+ NV_30 =30,
+ NV_40 =40,
+ G_70 =50,
+ NV_LAST =0xffff,
+};
+
+enum nouveau_bus_type {
+ NV_AGP =0,
+ NV_PCI =1,
+ NV_PCIE =2,
+};
+
+#define NOUVEAU_MAX_SAREA_CLIPRECTS 16
+
+typedef struct drm_nouveau_sarea {
+ /* the cliprects */
+ drm_clip_rect_t boxes[NOUVEAU_MAX_SAREA_CLIPRECTS];
+ unsigned int nbox;
+}
+drm_nouveau_sarea_t;
+
+#define DRM_NOUVEAU_FIFO_INIT 0x00
+#define DRM_NOUVEAU_PFIFO_REINIT 0x01
+#define DRM_NOUVEAU_OBJECT_INIT 0x02
+#define DRM_NOUVEAU_DMA_OBJECT_INIT 0x03 // We don't want this eventually..
+#define DRM_NOUVEAU_MEM_ALLOC 0x04
+#define DRM_NOUVEAU_MEM_FREE 0x05
+
+#endif /* __NOUVEAU_DRM_H__ */
+
diff --git a/shared-core/nouveau_drv.h b/shared-core/nouveau_drv.h
new file mode 100644
index 00000000..c4f9718d
--- /dev/null
+++ b/shared-core/nouveau_drv.h
@@ -0,0 +1,168 @@
+/*
+ * Copyright 2005 Stephane Marchesin.
+ * 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
+ * VA LINUX SYSTEMS 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.
+ */
+
+#ifndef __NOUVEAU_DRV_H__
+#define __NOUVEAU_DRV_H__
+
+#define DRIVER_AUTHOR "Stephane Marchesin"
+#define DRIVER_EMAIL "dri-devel@lists.sourceforge.net"
+
+#define DRIVER_NAME "nouveau"
+#define DRIVER_DESC "nVidia Riva/TNT/GeForce"
+#define DRIVER_DATE "20060213"
+
+#define DRIVER_MAJOR 1
+#define DRIVER_MINOR 0
+#define DRIVER_PATCHLEVEL 0
+
+#define NOUVEAU_FAMILY 0x0000FFFF
+#define NOUVEAU_FLAGS 0xFFFF0000
+
+#include "nouveau_drm.h"
+#include "nouveau_reg.h"
+
+enum nouveau_flags {
+ NV_NFORCE =0x10000000,
+ NV_NFORCE2 =0x20000000
+};
+
+struct nouveau_object
+{
+ struct nouveau_object *next;
+ struct nouveau_object *prev;
+
+ uint32_t handle;
+ int class;
+ int engine;
+ uint32_t instance;
+ uint32_t ht_loc;
+};
+
+#define NV_DMA_TARGET_VIDMEM 0
+#define NV_DMA_TARGET_PCI 2
+#define NV_DMA_TARGET_AGP 3
+struct nouveau_fifo
+{
+ int used;
+ /* owner of this fifo */
+ DRMFILE filp;
+ /* mapping of the fifo itself */
+ drm_local_map_t *map;
+ /* mapping of the regs controling the fifo */
+ drm_local_map_t *regs;
+ /* objects belonging to this fifo */
+ struct nouveau_object *objs;
+};
+
+struct nouveau_object_store
+{
+ int ht_bits;
+ int ht_size;
+ int ht_base;
+
+ uint32_t *inst_bmap;
+ uint32_t first_instance;
+ int num_instance;
+ int free_instance;
+};
+
+struct mem_block {
+ struct mem_block *next;
+ struct mem_block *prev;
+ uint64_t start;
+ uint64_t size;
+ DRMFILE filp; /* 0: free, -1: heap, other: real files */
+ int flags;
+ drm_local_map_t *map;
+};
+
+typedef struct drm_nouveau_private {
+ /* the card type, takes NV_* as values */
+ int card_type;
+ int flags;
+
+ drm_local_map_t *mmio;
+ drm_local_map_t *fb;
+
+ int64_t fb_usable_size;
+
+ int cur_fifo;
+
+ struct nouveau_object *fb_obj;
+ struct nouveau_object *cmdbuf_obj;
+ int cmdbuf_location;
+ int cmdbuf_base;
+ int cmdbuf_ch_size;
+ struct mem_block* cmdbuf_alloc;
+
+ struct nouveau_fifo fifos[NV_MAX_FIFO_NUMBER];
+ struct nouveau_object_store objs;
+
+ struct mem_block *agp_heap;
+ struct mem_block *fb_heap;
+ struct mem_block *fb_nomap_heap;
+
+}
+drm_nouveau_private_t;
+
+/* nouveau_state.c */
+extern void nouveau_preclose(drm_device_t * dev, DRMFILE filp);
+extern int nouveau_load(struct drm_device *dev, unsigned long flags);
+extern int nouveau_firstopen(struct drm_device *dev);
+extern int nouveau_unload(struct drm_device *dev);
+
+/* nouveau_mem.c */
+extern uint64_t nouveau_mem_fb_amount(struct drm_device *dev);
+extern void nouveau_mem_release(DRMFILE filp, struct mem_block *heap);
+extern int nouveau_ioctl_mem_alloc(DRM_IOCTL_ARGS);
+extern int nouveau_ioctl_mem_free(DRM_IOCTL_ARGS);
+extern struct mem_block* nouveau_mem_alloc(struct drm_device *dev, int alignment, uint64_t size, int flags, DRMFILE filp);
+extern void nouveau_mem_free(struct drm_device* dev, struct mem_block*);
+extern int nouveau_mem_init(struct drm_device *dev);
+extern void nouveau_mem_close(struct drm_device *dev);
+
+/* nouveau_fifo.c */
+extern int nouveau_fifo_number(drm_device_t *dev);
+extern void nouveau_fifo_cleanup(drm_device_t *dev, DRMFILE filp);
+extern int nouveau_fifo_id_get(drm_device_t *dev, DRMFILE filp);
+
+/* nouveau_object.c */
+extern void nouveau_hash_table_init(drm_device_t *dev);
+extern void nouveau_object_cleanup(drm_device_t *dev, DRMFILE filp);
+extern struct nouveau_object *nouveau_dma_object_create(drm_device_t *dev,
+ uint32_t offset, uint32_t size, int access, uint32_t target);
+extern int nouveau_ioctl_object_init(DRM_IOCTL_ARGS);
+extern int nouveau_ioctl_dma_object_init(DRM_IOCTL_ARGS);
+
+/* nouveau_irq.c */
+extern irqreturn_t nouveau_irq_handler(DRM_IRQ_ARGS);
+extern void nouveau_irq_preinstall(drm_device_t*);
+extern void nouveau_irq_postinstall(drm_device_t*);
+extern void nouveau_irq_uninstall(drm_device_t*);
+
+#define NV_READ(reg) DRM_READ32( dev_priv->mmio, (reg) )
+#define NV_WRITE(reg,val) DRM_WRITE32( dev_priv->mmio, (reg), (val) )
+
+#endif /* __NOUVEAU_DRV_H__ */
+
diff --git a/shared-core/nouveau_fifo.c b/shared-core/nouveau_fifo.c
new file mode 100644
index 00000000..18ad7c5f
--- /dev/null
+++ b/shared-core/nouveau_fifo.c
@@ -0,0 +1,270 @@
+/*
+ * Copyright 2005-2006 Stephane Marchesin
+ * 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
+ * PRECISION INSIGHT 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_drm.h"
+
+
+/* returns the number of hw fifos */
+int nouveau_fifo_number(drm_device_t* dev)
+{
+ drm_nouveau_private_t *dev_priv=dev->dev_private;
+ switch(dev_priv->card_type)
+ {
+ case NV_03:
+ return 8;
+ case NV_04:
+ case NV_05:
+ return 16;
+ default:
+ return 32;
+ }
+}
+
+/* setup the fifo enable register */
+static void nouveau_fifo_enable(drm_device_t* dev)
+{
+ int i;
+ unsigned enable_val=0;
+ drm_nouveau_private_t *dev_priv = dev->dev_private;
+
+ for(i=31;i>=0;i--)
+ {
+ enable_val<<=1;
+ if (dev_priv->fifos[i].used)
+ enable_val|=1;
+ }
+ DRM_DEBUG("enable_val=0x%08x\n", enable_val);
+ NV_WRITE(NV03_FIFO_ENABLE,enable_val);
+}
+
+/***********************************
+ * functions doing the actual work
+ ***********************************/
+
+/* voir nv_xaa.c : NVResetGraphics
+ * mémoire mappée par nv_driver.c : NVMapMem
+ * voir nv_driver.c : NVPreInit
+ */
+
+/* initializes a fifo */
+static int nouveau_fifo_init(drm_device_t* dev,drm_nouveau_fifo_init_t* init, DRMFILE filp)
+{
+ int i;
+ int ret;
+ drm_nouveau_private_t *dev_priv = dev->dev_private;
+
+ /*
+ * Alright, here is the full story
+ * Nvidia cards have multiple hw fifo contexts (praise them for that,
+ * no complicated crash-prone context switches)
+ * X always uses context 0 (0x00800000)
+ * We allocate a new context for each app and let it write to it directly
+ * (woo, full userspace command submission !)
+ * When there are no more contexts, you lost
+ */
+ for(i=0;i<nouveau_fifo_number(dev);i++)
+ if (dev_priv->fifos[i].used==0)
+ {
+ dev_priv->fifos[i].used=1;
+ break;
+ }
+
+ /* no more fifos. you lost. */
+ if (i==nouveau_fifo_number(dev))
+ return DRM_ERR(EINVAL);
+
+ /* that fifo is used */
+ dev_priv->fifos[i].used=1;
+ dev_priv->fifos[i].filp=filp;
+
+ /* enable the fifo */
+ nouveau_fifo_enable(dev);
+
+ /* make the fifo available to user space */
+ init->channel = i;
+ init->put_base = i*dev_priv->cmdbuf_ch_size;
+
+ NV_WRITE(NV03_FIFO_REGS_DMAPUT(i), init->put_base);
+ NV_WRITE(NV03_FIFO_REGS_DMAGET(i), init->put_base);
+
+ /* first, the fifo control regs */
+ init->ctrl = dev_priv->mmio->offset + NV03_FIFO_REGS(i);
+ init->ctrl_size = NV03_FIFO_REGS_SIZE;
+ ret = drm_addmap(dev, init->ctrl, init->ctrl_size, _DRM_REGISTERS,
+ 0, &dev_priv->fifos[i].regs);
+ if (ret != 0)
+ return ret;
+
+ /* then, the fifo itself */
+ init->cmdbuf = dev_priv->cmdbuf_base;
+ init->cmdbuf += init->channel * dev_priv->cmdbuf_ch_size;
+ init->cmdbuf_size = dev_priv->cmdbuf_ch_size;
+ ret = drm_addmap(dev, init->cmdbuf, init->cmdbuf_size, _DRM_REGISTERS,
+ 0, &dev_priv->fifos[i].map);
+ if (ret != 0)
+ return ret;
+
+ /* FIFO has no objects yet */
+ dev_priv->fifos[i].objs = NULL;
+
+ DRM_DEBUG("%s: initialised FIFO %d\n", __func__, i);
+ dev_priv->cur_fifo = i;
+ return 0;
+}
+static void nouveau_pfifo_init(drm_device_t* dev);
+
+/* cleanups all the fifos from filp */
+void nouveau_fifo_cleanup(drm_device_t * dev, DRMFILE filp)
+{
+ int i;
+ drm_nouveau_private_t *dev_priv = dev->dev_private;
+
+ DRM_DEBUG("clearing FIFO enables from filp\n");
+ for(i=0;i<nouveau_fifo_number(dev);i++)
+ if (dev_priv->fifos[i].filp==filp)
+ dev_priv->fifos[i].used=0;
+
+ if (dev_priv->cur_fifo == i) {
+ DRM_DEBUG("%s: cur_fifo is no longer owned.\n", __func__);
+ for (i=0;i<nouveau_fifo_number(dev);i++)
+ if (dev_priv->fifos[i].used) break;
+ if (i==nouveau_fifo_number(dev))
+ i=0;
+ DRM_DEBUG("%s: new cur_fifo is %d\n", __func__, i);
+ dev_priv->cur_fifo = i;
+ }
+
+ nouveau_pfifo_init(dev);
+// nouveau_fifo_enable(dev);
+}
+
+int nouveau_fifo_id_get(drm_device_t* dev, DRMFILE filp)
+{
+ drm_nouveau_private_t *dev_priv=dev->dev_private;
+ int i;
+
+ for(i=0;i<nouveau_fifo_number(dev);i++)
+ if (dev_priv->fifos[i].filp == filp)
+ return i;
+ return -1;
+}
+
+static void nouveau_pfifo_init(drm_device_t* dev)
+{
+ drm_nouveau_private_t *dev_priv = dev->dev_private;
+
+ /* Init PFIFO - This is an exact copy of what's done in the Xorg ddx so far.
+ * We should be able to figure out what's happening from the
+ * resources available..
+ */
+
+ if (dev->irq_enabled)
+ nouveau_irq_postinstall(dev);
+
+ if (dev_priv->card_type >= NV_40)
+ NV_WRITE(NV_PGRAPH_NV40_UNK220, dev_priv->fb_obj->instance >> 4);
+
+ DRM_DEBUG("%s: setting FIFO %d active\n", __func__, dev_priv->cur_fifo);
+
+ NV_WRITE(NV_PFIFO_CACHES, 0x00000000);
+ nouveau_fifo_enable(dev);
+
+ NV_WRITE(NV_PFIFO_CACH1_PSH0, 0x00000000);
+ NV_WRITE(NV_PFIFO_CACH1_PUL0, 0x00000000);
+ if (dev_priv->card_type >= NV_40)
+ NV_WRITE(NV_PFIFO_CACH1_PSH1, 0x00010000|dev_priv->cur_fifo);
+ else
+ NV_WRITE(NV_PFIFO_CACH1_PSH1, 0x00000100|dev_priv->cur_fifo);
+ NV_WRITE(NV_PFIFO_CACH1_DMAP, dev_priv->cur_fifo * dev_priv->cmdbuf_ch_size);
+ NV_WRITE(NV_PFIFO_CACH1_DMAG, dev_priv->cur_fifo * dev_priv->cmdbuf_ch_size);
+ NV_WRITE(NV_PFIFO_CACH1_DMAI, dev_priv->cmdbuf_obj->instance >> 4);
+ NV_WRITE(NV_PFIFO_CACH0_PSH0, 0x00000000);
+ NV_WRITE(NV_PFIFO_CACH0_PUL0, 0x00000000);
+ NV_WRITE(NV_PFIFO_SIZE , 0x0000FFFF);
+ NV_WRITE(NV_PFIFO_CACH1_HASH, 0x0000FFFF);
+ NV_WRITE(NV_PFIFO_CACH0_PUL1, 0x00000001);
+ NV_WRITE(NV_PFIFO_CACH1_DMAC, 0x00000000);
+ NV_WRITE(NV_PFIFO_CACH1_ENG, 0x00000000);
+#ifdef __BIG_ENDIAN
+ NV_WRITE(NV_PFIFO_CACH1_DMAF, 0x800F0078);
+#else
+ NV_WRITE(NV_PFIFO_CACH1_DMAF, 0x000F0078);
+#endif
+ NV_WRITE(NV_PFIFO_CACH1_DMAS, 0x00000001);
+ NV_WRITE(NV_PFIFO_CACH1_PSH0, 0x00000001);
+ NV_WRITE(NV_PFIFO_CACH1_PUL0, 0x00000001);
+ NV_WRITE(NV_PFIFO_CACH1_PUL1, 0x00000001);
+
+ NV_WRITE(NV_PFIFO_CACHES, 0x00000001);
+
+ DRM_DEBUG("%s: CACHE1 GET/PUT readback %d/%d\n", __func__,
+ NV_READ(NV_PFIFO_CACH1_DMAG),
+ NV_READ(NV_PFIFO_CACH1_DMAP));
+}
+
+/***********************************
+ * ioctls wrapping the functions
+ ***********************************/
+
+static int nouveau_ioctl_fifo_init(DRM_IOCTL_ARGS)
+{
+ DRM_DEVICE;
+ drm_nouveau_fifo_init_t init;
+ int res;
+ DRM_COPY_FROM_USER_IOCTL(init, (drm_nouveau_fifo_init_t __user *) data, sizeof(init));
+
+ res=nouveau_fifo_init(dev,&init,filp);
+ if (!res)
+ DRM_COPY_TO_USER_IOCTL((drm_nouveau_fifo_init_t __user *)data, init, sizeof(init));
+
+ return res;
+}
+
+static int nouveau_ioctl_fifo_reinit(DRM_IOCTL_ARGS)
+{
+ DRM_DEVICE;
+
+ nouveau_pfifo_init(dev);
+ return 0;
+}
+
+/***********************************
+ * finally, the ioctl table
+ ***********************************/
+
+drm_ioctl_desc_t nouveau_ioctls[] = {
+ [DRM_IOCTL_NR(DRM_NOUVEAU_FIFO_INIT)] = {nouveau_ioctl_fifo_init, DRM_AUTH},
+ [DRM_IOCTL_NR(DRM_NOUVEAU_PFIFO_REINIT)] = {nouveau_ioctl_fifo_reinit, DRM_AUTH},
+ [DRM_IOCTL_NR(DRM_NOUVEAU_OBJECT_INIT)] = {nouveau_ioctl_object_init, DRM_AUTH},
+ [DRM_IOCTL_NR(DRM_NOUVEAU_DMA_OBJECT_INIT)] = {nouveau_ioctl_dma_object_init, DRM_AUTH},
+ [DRM_IOCTL_NR(DRM_NOUVEAU_MEM_ALLOC)] = {nouveau_ioctl_mem_alloc, DRM_AUTH},
+ [DRM_IOCTL_NR(DRM_NOUVEAU_MEM_FREE)] = {nouveau_ioctl_mem_free, DRM_AUTH},
+};
+
+int nouveau_max_ioctl = DRM_ARRAY_SIZE(nouveau_ioctls);
+
+
diff --git a/shared-core/nouveau_irq.c b/shared-core/nouveau_irq.c
new file mode 100644
index 00000000..d4691293
--- /dev/null
+++ b/shared-core/nouveau_irq.c
@@ -0,0 +1,208 @@
+#include "drmP.h"
+#include "drm.h"
+#include "nouveau_drm.h"
+#include "nouveau_drv.h"
+#include "nouveau_reg.h"
+
+void nouveau_irq_preinstall(drm_device_t *dev)
+{
+ drm_nouveau_private_t *dev_priv = dev->dev_private;
+
+ DRM_DEBUG("IRQ: preinst\n");
+
+ /* Disable/Clear PFIFO interrupts */
+ NV_WRITE(NV_PFIFO_INTEN, 0);
+ NV_WRITE(NV_PFIFO_INTSTAT, 0xFFFFFFFF);
+ /* Disable/Clear PGRAPH interrupts */
+ NV_WRITE(NV_PGRAPH_INTEN, 0);
+ NV_WRITE(NV_PGRAPH_INTSTAT, 0xFFFFFFFF);
+#if 0
+ /* Disable/Clear CRTC0/1 interrupts */
+ NV_WRITE(NV_CRTC0_INTEN, 0);
+ NV_WRITE(NV_CRTC0_INTSTAT, NV_CRTC_INTR_VBLANK);
+ NV_WRITE(NV_CRTC1_INTEN, 0);
+ NV_WRITE(NV_CRTC1_INTSTAT, NV_CRTC_INTR_VBLANK);
+#endif
+ /* Master disable */
+ NV_WRITE(NV_PMC_INTEN, 0);
+}
+
+void nouveau_irq_postinstall(drm_device_t *dev)
+{
+ drm_nouveau_private_t *dev_priv = dev->dev_private;
+
+ DRM_DEBUG("IRQ: postinst\n");
+
+ /* Enable PFIFO error reporting */
+ NV_WRITE(NV_PFIFO_INTEN , NV_PFIFO_INTR_ERROR);
+ NV_WRITE(NV_PFIFO_INTSTAT, 0xFFFFFFFF);
+
+ /* Enable PGRAPH interrupts */
+ NV_WRITE(NV_PGRAPH_INTEN,
+ NV_PGRAPH_INTR_NOTIFY |
+ NV_PGRAPH_INTR_MISSING_HW |
+ NV_PGRAPH_INTR_BUFFER_NOTIFY |
+ NV_PGRAPH_INTR_ERROR
+ );
+ NV_WRITE(NV_PGRAPH_INTSTAT, 0xFFFFFFFF);
+
+#if 0
+ /* Enable CRTC0/1 interrupts */
+ NV_WRITE(NV_CRTC0_INTEN, NV_CRTC_INTR_VBLANK);
+ NV_WRITE(NV_CRTC1_INTEN, NV_CRTC_INTR_VBLANK);
+#endif
+
+ /* Master enable */
+ NV_WRITE(NV_PMC_INTEN, NV_PMC_INTEN_MASTER_ENABLE);
+}
+
+void nouveau_irq_uninstall(drm_device_t *dev)
+{
+ drm_nouveau_private_t *dev_priv = dev->dev_private;
+
+ DRM_DEBUG("IRQ: uninst\n");
+
+ /* Disable PFIFO interrupts */
+ NV_WRITE(NV_PFIFO_INTEN, 0);
+ /* Disable PGRAPH interrupts */
+ NV_WRITE(NV_PGRAPH_INTEN, 0);
+#if 0
+ /* Disable CRTC0/1 interrupts */
+ NV_WRITE(NV_CRTC0_INTEN, 0);
+ NV_WRITE(NV_CRTC1_INTEN, 0);
+#endif
+ /* Master disable */
+ NV_WRITE(NV_PMC_INTEN, 0);
+}
+
+void nouveau_fifo_irq_handler(drm_nouveau_private_t *dev_priv)
+{
+ uint32_t status, chmode, chstat;
+
+ status = NV_READ(NV_PFIFO_INTSTAT);
+ if (!status)
+ return;
+ chmode = NV_READ(NV_PFIFO_MODE);
+ chstat = NV_READ(0x2508);
+
+ DRM_DEBUG("NV: PFIFO interrupt! INTSTAT=0x%08x/MODE=0x%08x/PEND=0x%08x\n",
+ status, chmode, chstat);
+
+ if (status & NV_PFIFO_INTR_ERROR) {
+ DRM_ERROR("NV: PFIFO error interrupt\n");
+
+ status &= ~NV_PFIFO_INTR_ERROR;
+ NV_WRITE(NV_PFIFO_INTSTAT, NV_PFIFO_INTR_ERROR);
+ }
+
+ if (status) {
+ DRM_INFO("NV: unknown PFIFO interrupt. status=0x%08x\n", status);
+
+ NV_WRITE(NV_PFIFO_INTSTAT, status);
+ }
+
+ NV_WRITE(NV_PMC_INTSTAT, NV_PMC_INTSTAT_PFIFO_PENDING);
+}
+
+void nouveau_pgraph_irq_handler(drm_nouveau_private_t *dev_priv)
+{
+ uint32_t status;
+
+ status = NV_READ(NV_PGRAPH_INTSTAT);
+ if (!status)
+ return;
+
+ if (status & NV_PGRAPH_INTR_NOTIFY) {
+ uint32_t nsource, nstatus, instance, notify;
+ DRM_DEBUG("NV: PGRAPH notify interrupt\n");
+
+ nstatus = NV_READ(0x00400104);
+ nsource = NV_READ(0x00400108);
+ DRM_DEBUG("nsource:0x%08x\tnstatus:0x%08x\n", nsource, nstatus);
+
+ instance = NV_READ(0x00400158);
+ notify = NV_READ(0x00400150) >> 16;
+ DRM_DEBUG("instance:0x%08x\tnotify:0x%08x\n", nsource, nstatus);
+
+ status &= ~NV_PGRAPH_INTR_NOTIFY;
+ NV_WRITE(NV_PGRAPH_INTSTAT, NV_PGRAPH_INTR_NOTIFY);
+ }
+
+ if (status & NV_PGRAPH_INTR_BUFFER_NOTIFY) {
+ uint32_t nsource, nstatus, instance, notify;
+ DRM_DEBUG("NV: PGRAPH buffer notify interrupt\n");
+
+ nstatus = NV_READ(0x00400104);
+ nsource = NV_READ(0x00400108);
+ DRM_DEBUG("nsource:0x%08x\tnstatus:0x%08x\n", nsource, nstatus);
+
+ instance = NV_READ(0x00400158);
+ notify = NV_READ(0x00400150) >> 16;
+ DRM_DEBUG("instance:0x%08x\tnotify:0x%08x\n", nsource, nstatus);
+
+ status &= ~NV_PGRAPH_INTR_BUFFER_NOTIFY;
+ NV_WRITE(NV_PGRAPH_INTSTAT, NV_PGRAPH_INTR_BUFFER_NOTIFY);
+ }
+
+ if (status & NV_PGRAPH_INTR_MISSING_HW) {
+ DRM_ERROR("NV: PGRAPH missing hw interrupt\n");
+
+ status &= ~NV_PGRAPH_INTR_MISSING_HW;
+ NV_WRITE(NV_PGRAPH_INTSTAT, NV_PGRAPH_INTR_MISSING_HW);
+ }
+
+ if (status & NV_PGRAPH_INTR_ERROR) {
+ DRM_ERROR("NV: PGRAPH error interrupt\n");
+
+ status &= ~NV_PGRAPH_INTR_ERROR;
+ NV_WRITE(NV_PGRAPH_INTSTAT, NV_PGRAPH_INTR_ERROR);
+ }
+
+ if (status) {
+ DRM_INFO("NV: Unknown PGRAPH interrupt! STAT=0x%08x\n", status);
+ NV_WRITE(NV_PGRAPH_INTSTAT, status);
+ }
+
+ NV_WRITE(NV_PMC_INTSTAT, NV_PMC_INTSTAT_PGRAPH_PENDING);
+}
+
+void nouveau_crtc_irq_handler(drm_nouveau_private_t *dev_priv, int crtc)
+{
+ if (crtc&1) {
+ NV_WRITE(NV_CRTC0_INTSTAT, NV_CRTC_INTR_VBLANK);
+ }
+
+ if (crtc&2) {
+ NV_WRITE(NV_CRTC1_INTSTAT, NV_CRTC_INTR_VBLANK);
+ }
+}
+
+irqreturn_t nouveau_irq_handler(DRM_IRQ_ARGS)
+{
+ drm_device_t *dev = (drm_device_t*)arg;
+ drm_nouveau_private_t *dev_priv = dev->dev_private;
+ uint32_t status;
+
+ status = NV_READ(NV_PMC_INTSTAT);
+
+ DRM_DEBUG("PMC INTSTAT: 0x%08x\n", status);
+
+ if (status & NV_PMC_INTSTAT_PFIFO_PENDING) {
+ nouveau_fifo_irq_handler(dev_priv);
+ status &= ~NV_PMC_INTSTAT_PFIFO_PENDING;
+ }
+ if (status & NV_PMC_INTSTAT_PGRAPH_PENDING) {
+ nouveau_pgraph_irq_handler(dev_priv);
+ status &= ~NV_PMC_INTSTAT_PGRAPH_PENDING;
+ }
+ if (status & NV_PMC_INTSTAT_CRTCn_PENDING) {
+ nouveau_crtc_irq_handler(dev_priv, (status>>24)&3);
+ status &= ~NV_PMC_INTSTAT_CRTCn_PENDING;
+ }
+
+ if (status)
+ DRM_ERROR("Unhandled PMC INTR status bits 0x%08x\n", status);
+
+ return IRQ_HANDLED;
+}
+
diff --git a/shared-core/nouveau_mem.c b/shared-core/nouveau_mem.c
new file mode 100644
index 00000000..91fc6046
--- /dev/null
+++ b/shared-core/nouveau_mem.c
@@ -0,0 +1,503 @@
+/*
+ * Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved.
+ * Copyright 2005 Stephane Marchesin
+ *
+ * The Weather Channel (TM) funded Tungsten Graphics to develop the
+ * initial release of the Radeon 8500 driver under the XFree86 license.
+ * This notice must be preserved.
+ *
+ * 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 AUTHORS AND/OR THEIR 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.
+ *
+ * Authors:
+ * Keith Whitwell <keith@tungstengraphics.com>
+ */
+
+
+#include "drmP.h"
+#include "drm.h"
+#include "drm_sarea.h"
+#include "nouveau_drv.h"
+
+static int meminit_ok=0;
+
+static struct mem_block *split_block(struct mem_block *p, uint64_t start, uint64_t size,
+ DRMFILE filp)
+{
+ /* Maybe cut off the start of an existing block */
+ if (start > p->start) {
+ struct mem_block *newblock =
+ drm_alloc(sizeof(*newblock), DRM_MEM_BUFS);
+ if (!newblock)
+ goto out;
+ newblock->start = start;
+ newblock->size = p->size - (start - p->start);
+ newblock->filp = NULL;
+ newblock->next = p->next;
+ newblock->prev = p;
+ p->next->prev = newblock;
+ p->next = newblock;
+ p->size -= newblock->size;
+ p = newblock;
+ }
+
+ /* Maybe cut off the end of an existing block */
+ if (size < p->size) {
+ struct mem_block *newblock =
+ drm_alloc(sizeof(*newblock), DRM_MEM_BUFS);
+ if (!newblock)
+ goto out;
+ newblock->start = start + size;
+ newblock->size = p->size - size;
+ newblock->filp = NULL;
+ newblock->next = p->next;
+ newblock->prev = p;
+ p->next->prev = newblock;
+ p->next = newblock;
+ p->size = size;
+ }
+
+out:
+ /* Our block is in the middle */
+ p->filp = filp;
+ return p;
+}
+
+static struct mem_block *alloc_block(struct mem_block *heap, uint64_t size,
+ int align2, DRMFILE filp)
+{
+ struct mem_block *p;
+ uint64_t mask = (1 << align2) - 1;
+
+ if (!heap)
+ return NULL;
+
+ list_for_each(p, heap) {
+ uint64_t start = (p->start + mask) & ~mask;
+ if (p->filp == 0 && start + size <= p->start + p->size)
+ return split_block(p, start, size, filp);
+ }
+
+ return NULL;
+}
+
+static struct mem_block *find_block(struct mem_block *heap, uint64_t start)
+{
+ struct mem_block *p;
+
+ list_for_each(p, heap)
+ if (p->start == start)
+ return p;
+
+ return NULL;
+}
+
+static void free_block(struct mem_block *p)
+{
+ p->filp = NULL;
+
+ /* Assumes a single contiguous range. Needs a special filp in
+ * 'heap' to stop it being subsumed.
+ */
+ if (p->next->filp == 0) {
+ struct mem_block *q = p->next;
+ p->size += q->size;
+ p->next = q->next;
+ p->next->prev = p;
+ drm_free(q, sizeof(*q), DRM_MEM_BUFS);
+ }
+
+ if (p->prev->filp == 0) {
+ struct mem_block *q = p->prev;
+ q->size += p->size;
+ q->next = p->next;
+ q->next->prev = q;
+ drm_free(p, sizeof(*q), DRM_MEM_BUFS);
+ }
+}
+
+/* Initialize. How to check for an uninitialized heap?
+ */
+static int init_heap(struct mem_block **heap, uint64_t start, uint64_t size)
+{
+ struct mem_block *blocks = drm_alloc(sizeof(*blocks), DRM_MEM_BUFS);
+
+ if (!blocks)
+ return DRM_ERR(ENOMEM);
+
+ *heap = drm_alloc(sizeof(**heap), DRM_MEM_BUFS);
+ if (!*heap) {
+ drm_free(blocks, sizeof(*blocks), DRM_MEM_BUFS);
+ return DRM_ERR(ENOMEM);
+ }
+
+ blocks->start = start;
+ blocks->size = size;
+ blocks->filp = NULL;
+ blocks->next = blocks->prev = *heap;
+
+ memset(*heap, 0, sizeof(**heap));
+ (*heap)->filp = (DRMFILE) - 1;
+ (*heap)->next = (*heap)->prev = blocks;
+ return 0;
+}
+
+/*
+ * Free all blocks associated with the releasing filp
+ */
+void nouveau_mem_release(DRMFILE filp, struct mem_block *heap)
+{
+ struct mem_block *p;
+
+ if (!heap || !heap->next)
+ return;
+
+ list_for_each(p, heap) {
+ if (p->filp == filp)
+ p->filp = NULL;
+ }
+
+ /* Assumes a single contiguous range. Needs a special filp in
+ * 'heap' to stop it being subsumed.
+ */
+ list_for_each(p, heap) {
+ while ((p->filp == 0) && (p->next->filp == 0) && (p->next!=heap)) {
+ struct mem_block *q = p->next;
+ p->size += q->size;
+ p->next = q->next;
+ p->next->prev = p;
+ drm_free(q, sizeof(*q), DRM_MEM_DRIVER);
+ }
+ }
+}
+
+/*
+ * Cleanup everything
+ */
+static void nouveau_mem_takedown(struct mem_block **heap)
+{
+ struct mem_block *p;
+
+ if (!*heap)
+ return;
+
+ for (p = (*heap)->next; p != *heap;) {
+ struct mem_block *q = p;
+ p = p->next;
+ drm_free(q, sizeof(*q), DRM_MEM_DRIVER);
+ }
+
+ drm_free(*heap, sizeof(**heap), DRM_MEM_DRIVER);
+ *heap = NULL;
+}
+
+void nouveau_mem_close(struct drm_device *dev)
+{
+ drm_nouveau_private_t *dev_priv = dev->dev_private;
+ nouveau_mem_takedown(&dev_priv->agp_heap);
+ nouveau_mem_takedown(&dev_priv->fb_heap);
+}
+
+/* returns the amount of FB ram in bytes */
+uint64_t nouveau_mem_fb_amount(struct drm_device *dev)
+{
+ drm_nouveau_private_t *dev_priv=dev->dev_private;
+ switch(dev_priv->card_type)
+ {
+ case NV_03:
+ switch(NV_READ(NV03_BOOT_0)&NV03_BOOT_0_RAM_AMOUNT)
+ {
+ case NV03_BOOT_0_RAM_AMOUNT_8MB:
+ case NV03_BOOT_0_RAM_AMOUNT_8MB_SDRAM:
+ return 8*1024*1024;
+ case NV03_BOOT_0_RAM_AMOUNT_4MB:
+ return 4*1024*1024;
+ case NV03_BOOT_0_RAM_AMOUNT_2MB:
+ return 2*1024*1024;
+ }
+ break;
+ case NV_04:
+ case NV_05:
+ switch(NV_READ(NV03_BOOT_0)&NV03_BOOT_0_RAM_AMOUNT)
+ {
+ case NV04_BOOT_0_RAM_AMOUNT_32MB:
+ return 32*1024*1024;
+ case NV04_BOOT_0_RAM_AMOUNT_16MB:
+ return 16*1024*1024;
+ case NV04_BOOT_0_RAM_AMOUNT_8MB:
+ return 8*1024*1024;
+ case NV04_BOOT_0_RAM_AMOUNT_4MB:
+ return 4*1024*1024;
+ }
+ break;
+ case NV_10:
+ case NV_20:
+ case NV_30:
+ case NV_40:
+ case G_70:
+ default:
+ // XXX won't work on BSD because of pci_read_config_dword
+ if (dev_priv->flags&NV_NFORCE) {
+ uint32_t mem;
+ pci_read_config_dword(dev->pdev, 0x7C, &mem);
+ return (uint64_t)(((mem >> 6) & 31) + 1)*1024*1024;
+ } else if(dev_priv->flags&NV_NFORCE2) {
+ uint32_t mem;
+ pci_read_config_dword(dev->pdev, 0x84, &mem);
+ return (uint64_t)(((mem >> 4) & 127) + 1)*1024*1024;
+ } else {
+ uint64_t mem;
+ mem=(NV_READ(NV04_FIFO_DATA)&NV10_FIFO_DATA_RAM_AMOUNT_MB_MASK) >> NV10_FIFO_DATA_RAM_AMOUNT_MB_SHIFT;
+ return mem*1024*1024;
+ }
+ break;
+ }
+
+ DRM_ERROR("Unable to detect video ram size. Please report your setup to " DRIVER_EMAIL "\n");
+ return 0;
+}
+
+
+
+int nouveau_mem_init(struct drm_device *dev)
+{
+ drm_nouveau_private_t *dev_priv = dev->dev_private;
+
+ /* init AGP */
+ dev_priv->agp_heap=NULL;
+ if (drm_device_is_agp(dev))
+ {
+ int err;
+ drm_agp_info_t info;
+ drm_agp_mode_t mode;
+ drm_agp_buffer_t agp_req;
+ drm_agp_binding_t bind_req;
+
+ err = drm_agp_acquire(dev);
+ if (err) {
+ DRM_ERROR("Unable to acquire AGP: %d\n", err);
+ goto no_agp;
+ }
+
+ err = drm_agp_info(dev, &info);
+ if (err) {
+ DRM_ERROR("Unable to get AGP info: %d\n", err);
+ goto no_agp;
+ }
+
+ /* see agp.h for the AGPSTAT_* modes available */
+ mode.mode = info.mode;
+ err = drm_agp_enable(dev, mode);
+ if (err) {
+ DRM_ERROR("Unable to enable AGP: %d\n", err);
+ goto no_agp;
+ }
+
+ agp_req.size = info.aperture_size;
+ agp_req.type = 0;
+ err = drm_agp_alloc(dev, &agp_req);
+ if (err) {
+ DRM_ERROR("Unable to alloc AGP: %d\n", err);
+ goto no_agp;
+ }
+
+ bind_req.handle = agp_req.handle;
+ bind_req.offset = 0;
+ err = drm_agp_bind(dev, &bind_req);
+ if (err) {
+ DRM_ERROR("Unable to bind AGP: %d\n", err);
+ goto no_agp;
+ }
+
+ if (init_heap(&dev_priv->agp_heap, info.aperture_base, info.aperture_size))
+ goto no_agp;
+ }
+no_agp:
+
+ /* Init FB */
+ if (nouveau_mem_fb_amount(dev)>256*1024*1024) {
+ /* On cards with > 256Mb, you can't map everything.
+ * So we create a second FB heap for that type of memory */
+ if (init_heap(&dev_priv->fb_heap, drm_get_resource_start(dev,1), 256*1024*1024))
+ return DRM_ERR(ENOMEM);
+ if (init_heap(&dev_priv->fb_nomap_heap, drm_get_resource_start(dev,1)+256*1024*1024, nouveau_mem_fb_amount(dev)-256*1024*1024))
+ return DRM_ERR(ENOMEM);
+ } else {
+ if (init_heap(&dev_priv->fb_heap, drm_get_resource_start(dev,1), nouveau_mem_fb_amount(dev)))
+ return DRM_ERR(ENOMEM);
+ dev_priv->fb_nomap_heap=NULL;
+ }
+
+ return 0;
+}
+
+struct mem_block* nouveau_mem_alloc(struct drm_device *dev, int alignment, uint64_t size, int flags, DRMFILE filp)
+{
+ struct mem_block *block;
+ int type;
+ drm_nouveau_private_t *dev_priv = dev->dev_private;
+
+ /*
+ * Init memory if needed
+ */
+ if (meminit_ok==0)
+ {
+ nouveau_mem_init(dev);
+ meminit_ok=1;
+ }
+
+ /*
+ * Make things easier on ourselves: all allocations are page-aligned.
+ * We need that to map allocated regions into the user space
+ */
+ if (alignment < PAGE_SHIFT)
+ alignment = PAGE_SHIFT;
+
+ /*
+ * Warn about 0 sized allocations, but let it go through. It'll return 1 page
+ */
+ if (size == 0)
+ DRM_INFO("warning : 0 byte allocation\n");
+
+ /*
+ * Keep alloc size a multiple of the page size to keep drm_addmap() happy
+ */
+ if (size & (~PAGE_MASK))
+ size = ((size/PAGE_SIZE) + 1) * PAGE_SIZE;
+
+ if (flags&NOUVEAU_MEM_AGP) {
+ type=NOUVEAU_MEM_AGP;
+ block = alloc_block(dev_priv->agp_heap, size, alignment, filp);
+ if (block) goto alloc_ok;
+ }
+ if (flags&(NOUVEAU_MEM_FB|NOUVEAU_MEM_FB_ACCEPTABLE)) {
+ type=NOUVEAU_MEM_FB;
+ if (!(flags&NOUVEAU_MEM_MAPPED)) {
+ block = alloc_block(dev_priv->fb_nomap_heap, size, alignment, filp);
+ if (block) goto alloc_ok;
+ }
+ block = alloc_block(dev_priv->fb_heap, size, alignment, filp);
+ if (block) goto alloc_ok;
+ }
+ if (flags&NOUVEAU_MEM_AGP_ACCEPTABLE) {
+ type=NOUVEAU_MEM_AGP;
+ block = alloc_block(dev_priv->agp_heap, size, alignment, filp);
+ if (block) goto alloc_ok;
+ }
+
+ return NULL;
+
+alloc_ok:
+ block->flags=type;
+
+ if (flags&NOUVEAU_MEM_MAPPED)
+ {
+ int ret;
+ block->flags|=NOUVEAU_MEM_MAPPED;
+
+ if (type == NOUVEAU_MEM_AGP)
+ ret = drm_addmap(dev, block->start - dev->agp->base, block->size,
+ _DRM_AGP, 0, &block->map);
+ else
+ ret = drm_addmap(dev, block->start, block->size,
+ _DRM_FRAME_BUFFER, 0, &block->map);
+ if (ret) {
+ free_block(block);
+ return NULL;
+ }
+ }
+
+ DRM_INFO("allocated 0x%llx\n", block->start);
+ return block;
+}
+
+void nouveau_mem_free(struct drm_device* dev, struct mem_block* block)
+{
+ DRM_INFO("freeing 0x%llx\n", block->start);
+ if (meminit_ok==0)
+ {
+ DRM_ERROR("%s called without init\n", __FUNCTION__);
+ return;
+ }
+ if (block->flags&NOUVEAU_MEM_MAPPED)
+ drm_rmmap(dev, block->map);
+ free_block(block);
+}
+
+/*
+ * Ioctls
+ */
+
+int nouveau_ioctl_mem_alloc(DRM_IOCTL_ARGS)
+{
+ DRM_DEVICE;
+ drm_nouveau_private_t *dev_priv = dev->dev_private;
+ drm_nouveau_mem_alloc_t alloc;
+ struct mem_block *block;
+
+ if (!dev_priv) {
+ DRM_ERROR("%s called with no initialization\n", __FUNCTION__);
+ return DRM_ERR(EINVAL);
+ }
+
+ DRM_COPY_FROM_USER_IOCTL(alloc, (drm_nouveau_mem_alloc_t __user *) data,
+ sizeof(alloc));
+
+ block=nouveau_mem_alloc(dev, alloc.alignment, alloc.size, alloc.flags, filp);
+ if (!block)
+ return DRM_ERR(ENOMEM);
+
+ if (DRM_COPY_TO_USER(alloc.region_offset, &block->start, sizeof(uint64_t))) {
+ DRM_ERROR("copy_to_user\n");
+ return DRM_ERR(EFAULT);
+ }
+
+ return 0;
+}
+
+int nouveau_ioctl_mem_free(DRM_IOCTL_ARGS)
+{
+ DRM_DEVICE;
+ drm_nouveau_private_t *dev_priv = dev->dev_private;
+ drm_nouveau_mem_free_t memfree;
+ struct mem_block *block;
+
+ if (!dev_priv) {
+ DRM_ERROR("%s called with no initialization\n", __FUNCTION__);
+ return DRM_ERR(EINVAL);
+ }
+
+ DRM_COPY_FROM_USER_IOCTL(memfree, (drm_nouveau_mem_free_t __user *) data,
+ sizeof(memfree));
+
+ block=NULL;
+ if (memfree.flags&NOUVEAU_MEM_FB)
+ block = find_block(dev_priv->fb_heap, memfree.region_offset);
+ else if (memfree.flags&NOUVEAU_MEM_AGP)
+ block = find_block(dev_priv->agp_heap, memfree.region_offset);
+ if (!block)
+ return DRM_ERR(EFAULT);
+ if (block->filp != filp)
+ return DRM_ERR(EPERM);
+
+ nouveau_mem_free(dev, block);
+ return 0;
+}
+
+
diff --git a/shared-core/nouveau_object.c b/shared-core/nouveau_object.c
new file mode 100644
index 00000000..fb30d529
--- /dev/null
+++ b/shared-core/nouveau_object.c
@@ -0,0 +1,565 @@
+#include "drmP.h"
+#include "drm.h"
+#include "nouveau_drv.h"
+#include "nouveau_drm.h"
+
+/* TODO
+ * - Check object class, deny unsafe objects (add card-specific versioning?)
+ * - Get rid of DMA object creation, this should be wrapped by MM routines.
+ */
+
+static void nouveau_object_link(drm_device_t *dev, int fifo_num,
+ struct nouveau_object *obj)
+{
+ drm_nouveau_private_t *dev_priv=dev->dev_private;
+ struct nouveau_fifo *fifo = &dev_priv->fifos[fifo_num];
+
+ if (!fifo->objs) {
+ fifo->objs = obj;
+ return;
+ }
+
+ obj->prev = NULL;
+ obj->next = fifo->objs;
+
+ fifo->objs->prev = obj;
+ fifo->objs = obj;
+}
+
+static void nouveau_object_unlink(drm_device_t *dev, int fifo_num,
+ struct nouveau_object *obj)
+{
+ drm_nouveau_private_t *dev_priv=dev->dev_private;
+ struct nouveau_fifo *fifo = &dev_priv->fifos[fifo_num];
+
+ if (obj->prev == NULL) {
+ if (obj->next)
+ obj->next->prev = NULL;
+ fifo->objs = obj->next;
+ } else if (obj->next == NULL) {
+ if (obj->prev)
+ obj->prev->next = NULL;
+ } else {
+ obj->prev->next = obj->next;
+ obj->next->prev = obj->prev;
+ }
+}
+
+static struct nouveau_object *
+nouveau_object_handle_find(drm_device_t *dev, int fifo_num, uint32_t handle)
+{
+ drm_nouveau_private_t *dev_priv=dev->dev_private;
+ struct nouveau_fifo *fifo = &dev_priv->fifos[fifo_num];
+ struct nouveau_object *obj = fifo->objs;
+
+ if (!handle)
+ return NULL;
+
+ DRM_DEBUG("Looking for handle 0x%08x\n", handle);
+ while (obj) {
+ if (obj->handle == handle)
+ return obj;
+ obj = obj->next;
+ }
+
+ DRM_DEBUG("...couldn't find handle\n");
+ return NULL;
+}
+
+/* NVidia uses context objects to drive drawing operations.
+
+ Context objects can be selected into 8 subchannels in the FIFO,
+ and then used via DMA command buffers.
+
+ A context object is referenced by a user defined handle (CARD32). The HW
+ looks up graphics objects in a hash table in the instance RAM.
+
+ An entry in the hash table consists of 2 CARD32. The first CARD32 contains
+ the handle, the second one a bitfield, that contains the address of the
+ object in instance RAM.
+
+ The format of the second CARD32 seems to be:
+
+ NV4 to NV30:
+
+ 15: 0 instance_addr >> 4
+ 17:16 engine (here uses 1 = graphics)
+ 28:24 channel id (here uses 0)
+ 31 valid (use 1)
+
+ NV40:
+
+ 15: 0 instance_addr >> 4 (maybe 19-0)
+ 21:20 engine (here uses 1 = graphics)
+ I'm unsure about the other bits, but using 0 seems to work.
+
+ The key into the hash table depends on the object handle and channel id and
+ is given as:
+*/
+static uint32_t nouveau_handle_hash(drm_device_t* dev, uint32_t handle,
+ int fifo)
+{
+ drm_nouveau_private_t *dev_priv=dev->dev_private;
+ struct nouveau_object_store *objs=&dev_priv->objs;
+ uint32_t hash = 0;
+ int i;
+
+ for (i=32;i>0;i-=objs->ht_bits) {
+ hash ^= (handle & ((1 << objs->ht_bits) - 1));
+ handle >>= objs->ht_bits;
+ }
+ hash ^= fifo << (objs->ht_bits - 4);
+ return hash << 3;
+}
+
+static int nouveau_hash_table_insert(drm_device_t* dev, int fifo,
+ struct nouveau_object *obj)
+{
+ drm_nouveau_private_t *dev_priv=dev->dev_private;
+ struct nouveau_object_store *objs=&dev_priv->objs;
+ int ht_base = NV_RAMIN + objs->ht_base;
+ int ht_end = ht_base + objs->ht_size;
+ int o_ofs, ofs;
+
+ o_ofs = ofs = nouveau_handle_hash(dev, obj->handle, fifo);
+
+ while (NV_READ(ht_base + ofs)) {
+ ofs += 8;
+ if (ofs == ht_end) ofs = ht_base;
+ if (ofs == o_ofs) {
+ DRM_ERROR("no free hash table entries\n");
+ return 1;
+ }
+ }
+ ofs += ht_base;
+
+ DRM_DEBUG("Channel %d - Handle 0x%08x at 0x%08x\n",
+ fifo, obj->handle, ofs);
+
+ NV_WRITE(NV_RAMHT_HANDLE_OFFSET + ofs, obj->handle);
+ if (dev_priv->card_type >= NV_40)
+ NV_WRITE(NV_RAMHT_CONTEXT_OFFSET + ofs,
+ (fifo << NV40_RAMHT_CONTEXT_CHANNEL_SHIFT) |
+ (obj->engine << NV40_RAMHT_CONTEXT_ENGINE_SHIFT) |
+ (obj->instance>>4)
+ );
+ else
+ NV_WRITE(NV_RAMHT_CONTEXT_OFFSET + ofs,
+ NV_RAMHT_CONTEXT_VALID |
+ (fifo << NV_RAMHT_CONTEXT_CHANNEL_SHIFT) |
+ (obj->engine << NV_RAMHT_CONTEXT_ENGINE_SHIFT) |
+ (obj->instance>>4)
+ );
+
+ obj->ht_loc = ofs;
+ return 0;
+}
+
+static void nouveau_hash_table_remove(drm_device_t* dev,
+ struct nouveau_object *obj)
+{
+ drm_nouveau_private_t *dev_priv = dev->dev_private;
+
+ DRM_DEBUG("Remove handle 0x%08x at 0x%08x from HT\n",
+ obj->handle, obj->ht_loc);
+ if (obj->ht_loc) {
+ DRM_DEBUG("... HT entry was: 0x%08x/0x%08x\n",
+ NV_READ(obj->ht_loc), NV_READ(obj->ht_loc+4));
+ NV_WRITE(obj->ht_loc , 0x00000000);
+ NV_WRITE(obj->ht_loc+4, 0x00000000);
+ }
+}
+
+static struct nouveau_object *nouveau_instance_alloc(drm_device_t* dev)
+{
+ drm_nouveau_private_t *dev_priv=dev->dev_private;
+ struct nouveau_object_store *objs=&dev_priv->objs;
+ struct nouveau_object *obj;
+ int instance = -1;
+ int i = 0, j = 0;
+
+ /* Allocate a block of instance RAM */
+ if (!objs->free_instance) {
+ DRM_ERROR("no free instance ram\n");
+ return NULL;
+ }
+ for (i=0;i<(objs->num_instance>>5);i++) {
+ if (objs->inst_bmap[i] == ~0) continue;
+ for (j=0;j<32;j++) {
+ if (!(objs->inst_bmap[i] & (1<<j))) {
+ instance = (i<<5) + j;
+ break;
+ }
+ }
+ if (instance != -1) break;
+ }
+ DRM_DEBUG("alloced instance %d (slot %d/%d)\n", instance, i, j);
+
+ /* Create object struct */
+ obj = drm_calloc(1, sizeof(struct nouveau_object), DRM_MEM_DRIVER);
+ if (!obj) {
+ DRM_ERROR("couldn't alloc memory for object\n");
+ return NULL;
+ }
+ obj->instance = objs->first_instance;
+ obj->instance += (instance << (dev_priv->card_type >= NV_40 ? 5 : 4));
+ DRM_DEBUG("instance address is 0x%08x\n", instance);
+
+ /* Mark instance slot as used */
+ objs->inst_bmap[i] |= (1 << j);
+ objs->free_instance--;
+
+ return obj;
+}
+
+static void nouveau_object_instance_free(drm_device_t *dev,
+ struct nouveau_object *obj)
+{
+ drm_nouveau_private_t *dev_priv=dev->dev_private;
+ struct nouveau_object_store *objs=&dev_priv->objs;
+ int count, i;
+ uint32_t be, bb;
+
+ if (dev_priv->card_type >= NV_40)
+ count = 8;
+ else
+ count = 4;
+
+ DRM_DEBUG("Instance entry for 0x%08x"
+ "(engine %d, class 0x%x) before destroy:\n",
+ obj->handle, obj->engine, obj->class);
+ for (i=0;i<count;i++)
+ DRM_DEBUG(" +0x%02x: 0x%08x\n", (i*4),
+ NV_READ(NV_RAMIN + obj->instance + (i*4)));
+
+ /* Clean RAMIN entry */
+ for (i=0;i<count;i++)
+ NV_WRITE(NV_RAMIN + obj->instance + (i*4), 0x00000000);
+
+ /* Mark instance as free */
+ obj->instance -= objs->first_instance;
+ obj->instance >>= (dev_priv->card_type >=NV_40 ? 5 : 4);
+ be = obj->instance / 32;
+ bb = obj->instance % 32;
+ objs->inst_bmap[be] &= ~bb;
+ objs->free_instance++;
+}
+
+/* Where is the hash table located:
+
+ Base address and size can be calculated from this register:
+
+ ht_base = 0x1000 * GetBitField (pNv->PFIFO[0x0210/4],8:4);
+ ht_size = 0x1000 << GetBitField (pNv->PFIFO[0x0210/4],17:16);
+
+ and the hash table will be located between address PRAMIN + ht_base and
+ PRAMIN + ht_base + ht_size. Each hash table entry has two longwords.
+*/
+void nouveau_hash_table_init(drm_device_t* dev)
+{
+ drm_nouveau_private_t *dev_priv=dev->dev_private;
+ int ht_start, ht_end;
+ int i;
+
+ dev_priv->objs.ht_bits = 9;
+ dev_priv->objs.ht_base = 0x10000;
+ dev_priv->objs.ht_size = (1 << dev_priv->objs.ht_bits);
+
+ NV_WRITE(NV_PFIFO_RAMHT,
+ (0x03 << 24) /* search 128 */ |
+ ((dev_priv->objs.ht_bits - 9) << 16) |
+ ((dev_priv->objs.ht_base >> 16) << 4)
+ );
+ NV_WRITE(NV_PFIFO_RAMFC, 0x00000110); /* RAMIN+0x11000 0.5k */
+ NV_WRITE(NV_PFIFO_RAMRO, 0x00000112); /* RAMIN+0x11200 0.5k */
+
+ dev_priv->objs.first_instance = 0x12000;
+ dev_priv->objs.free_instance = 1024; /*FIXME*/
+ dev_priv->objs.num_instance = 1024; /*FIXME*/
+ dev_priv->objs.inst_bmap = drm_calloc
+ (1, dev_priv->objs.num_instance/32, DRM_MEM_DRIVER);
+
+ /* clear the hash table */
+ ht_start = NV_RAMIN+dev_priv->objs.ht_base;
+ ht_end = ht_start + dev_priv->objs.ht_size;
+ for (i=ht_start; i<ht_end; i+=4)
+ NV_WRITE(i, 0x00000000);
+}
+
+/*
+ DMA objects are used to reference a piece of memory in the
+ framebuffer, PCI or AGP address space. Each object is 16 bytes big
+ and looks as follows:
+
+ entry[0]
+ 11:0 class (seems like I can always use 0 here)
+ 12 page table present?
+ 13 page entry linear?
+ 15:14 access: 0 rw, 1 ro, 2 wo
+ 17:16 target: 0 NV memory, 1 NV memory tiled, 2 PCI, 3 AGP
+ 31:20 dma adjust (bits 0-11 of the address)
+ entry[1]
+ dma limit
+ entry[2]
+ 1 0 readonly, 1 readwrite
+ 31:12 dma frame address (bits 12-31 of the address)
+
+ Non linear page tables seem to need a list of frame addresses afterwards,
+ the rivatv project has some info on this.
+
+ The method below creates a DMA object in instance RAM and returns a handle
+ to it that can be used to set up context objects.
+*/
+struct nouveau_object *nouveau_dma_object_create(drm_device_t* dev,
+ uint32_t offset, uint32_t size,
+ int access, uint32_t target)
+{
+ drm_nouveau_private_t *dev_priv=dev->dev_private;
+ struct nouveau_object *obj;
+ uint32_t frame, adjust;
+
+ DRM_DEBUG("offset:0x%08x, size:0x%08x, target:%d, access:%d\n",
+ offset, size, target, access);
+
+ frame = offset & ~0x00000FFF;
+ adjust = offset & 0x00000FFF;
+
+ obj = nouveau_instance_alloc(dev);
+ if (!obj) {
+ DRM_ERROR("couldn't allocate DMA object\n");
+ return obj;
+ }
+
+ obj->engine = 0;
+ obj->class = 0;
+
+ NV_WRITE(NV_RAMIN + obj->instance + 0, ((1<<12)
+ | (1<<13)
+ | (adjust<<20)
+ | (access<<14)
+ | (target<<16)
+ | 2)
+ );
+ NV_WRITE(NV_RAMIN + obj->instance + 4,
+ size - 1);
+ NV_WRITE(NV_RAMIN + obj->instance + 8,
+ frame | ((access != NV_DMA_ACCESS_RO) ? (1<<1) : 0));
+ NV_WRITE(NV_RAMIN + obj->instance + 12,
+ 0xFFFFFFFF);
+
+ return obj;
+}
+
+
+/* Context objects in the instance RAM have the following structure.
+ * On NV40 they are 32 byte long, on NV30 and smaller 16 bytes.
+
+ NV4 - NV30:
+
+ entry[0]
+ 11:0 class
+ 12 chroma key enable
+ 13 user clip enable
+ 14 swizzle enable
+ 17:15 patch config:
+ scrcopy_and, rop_and, blend_and, scrcopy, srccopy_pre, blend_pre
+ 18 synchronize enable
+ 19 endian: 1 big, 0 little
+ 21:20 dither mode
+ 23 single step enable
+ 24 patch status: 0 invalid, 1 valid
+ 25 context_surface 0: 1 valid
+ 26 context surface 1: 1 valid
+ 27 context pattern: 1 valid
+ 28 context rop: 1 valid
+ 29,30 context beta, beta4
+ entry[1]
+ 7:0 mono format
+ 15:8 color format
+ 31:16 notify instance address
+ entry[2]
+ 15:0 dma 0 instance address
+ 31:16 dma 1 instance address
+ entry[3]
+ dma method traps
+
+ NV40:
+ No idea what the exact format is. Here's what can be deducted:
+
+ entry[0]:
+ 11:0 class (maybe uses more bits here?)
+ 17 user clip enable
+ 21:19 patch config
+ 25 patch status valid ?
+ entry[1]:
+ 15:0 DMA notifier (maybe 20:0)
+ entry[2]:
+ 15:0 DMA 0 instance (maybe 20:0)
+ 24 big endian
+ entry[3]:
+ 15:0 DMA 1 instance (maybe 20:0)
+ entry[4]:
+ entry[5]:
+ set to 0?
+*/
+static struct nouveau_object *nouveau_context_object_create(drm_device_t* dev,
+ int class, uint32_t flags0, uint32_t flags1, uint32_t flags2,
+ struct nouveau_object *dma0,
+ struct nouveau_object *dma1,
+ struct nouveau_object *dma_notifier)
+{
+ drm_nouveau_private_t *dev_priv=dev->dev_private;
+ struct nouveau_object *obj;
+ uint32_t d0, d1, dn;
+
+ DRM_DEBUG("class=%x, dma0=%08x, dma1=%08x, dman=%08x\n",
+ class,
+ dma0 ? dma0->handle : 0,
+ dma1 ? dma1->handle : 0,
+ dma_notifier ? dma_notifier->handle : 0);
+
+ obj = nouveau_instance_alloc(dev);
+ if (!obj) {
+ DRM_ERROR("couldn't allocate context object\n");
+ return obj;
+ }
+
+ obj->engine = 1;
+ obj->class = class;
+
+ d0 = dma0 ? (dma0->instance >> 4) : 0;
+ d1 = dma1 ? (dma1->instance >> 4) : 0;
+ dn = dma_notifier ? (dma_notifier->instance >> 4) : 0;
+
+ if (dev_priv->card_type >= NV_40) {
+ NV_WRITE(NV_RAMIN + obj->instance + 0, class | flags0);
+ NV_WRITE(NV_RAMIN + obj->instance + 4, dn | flags1);
+ NV_WRITE(NV_RAMIN + obj->instance + 8, d0 | flags2);
+ NV_WRITE(NV_RAMIN + obj->instance + 12, d1);
+ NV_WRITE(NV_RAMIN + obj->instance + 16, 0x00000000);
+ NV_WRITE(NV_RAMIN + obj->instance + 20, 0x00000000);
+ NV_WRITE(NV_RAMIN + obj->instance + 24, 0x00000000);
+ NV_WRITE(NV_RAMIN + obj->instance + 28, 0x00000000);
+ } else {
+ NV_WRITE(NV_RAMIN + obj->instance + 0, class | flags0);
+ NV_WRITE(NV_RAMIN + obj->instance + 4, (dn << 16) | flags1);
+ NV_WRITE(NV_RAMIN + obj->instance + 8, d0 | (d1 << 16));
+ NV_WRITE(NV_RAMIN + obj->instance + 12, 0);
+ }
+
+ return obj;
+}
+
+static void
+nouveau_object_free(drm_device_t *dev, int fifo_num, struct nouveau_object *obj)
+{
+ nouveau_object_unlink(dev, fifo_num, obj);
+
+ nouveau_object_instance_free(dev, obj);
+ nouveau_hash_table_remove(dev, obj);
+
+ drm_free(obj, sizeof(struct nouveau_object), DRM_MEM_DRIVER);
+ return;
+}
+
+void nouveau_object_cleanup(drm_device_t *dev, DRMFILE filp)
+{
+ drm_nouveau_private_t *dev_priv=dev->dev_private;
+ int fifo;
+
+ fifo = nouveau_fifo_id_get(dev, filp);
+ if (fifo == -1)
+ return;
+
+ while (dev_priv->fifos[fifo].objs)
+ nouveau_object_free(dev, fifo, dev_priv->fifos[fifo].objs);
+}
+
+int nouveau_ioctl_object_init(DRM_IOCTL_ARGS)
+{
+ DRM_DEVICE;
+ drm_nouveau_object_init_t init;
+ struct nouveau_object *obj, *dma0, *dma1, *dman;
+ int fifo;
+
+ fifo = nouveau_fifo_id_get(dev, filp);
+
+ DRM_COPY_FROM_USER_IOCTL(init, (drm_nouveau_object_init_t __user *)
+ data, sizeof(init));
+
+ //FIXME: check args, only allow trusted objects to be created
+
+ if (nouveau_object_handle_find(dev, fifo, init.handle)) {
+ DRM_ERROR("Channel %d: handle 0x%08x already exists\n",
+ fifo, init.handle);
+ return DRM_ERR(EINVAL);
+ }
+
+ dma0 = nouveau_object_handle_find(dev, fifo, init.dma0);
+ if (init.dma0 && !dma0) {
+ DRM_ERROR("context dma0 - invalid handle 0x%08x\n", init.dma0);
+ return DRM_ERR(EINVAL);
+ }
+ dma1 = nouveau_object_handle_find(dev, fifo, init.dma1);
+ if (init.dma1 && !dma1) {
+ DRM_ERROR("context dma1 - invalid handle 0x%08x\n", init.dma0);
+ return DRM_ERR(EINVAL);
+ }
+ dman = nouveau_object_handle_find(dev, fifo, init.dma_notifier);
+ if (init.dma_notifier && !dman) {
+ DRM_ERROR("context dman - invalid handle 0x%08x\n",
+ init.dma_notifier);
+ return DRM_ERR(EINVAL);
+ }
+
+ obj = nouveau_context_object_create(dev, init.class, init.flags0,
+ init.flags1, init.flags2, dma0, dma1, dman);
+ if (!obj)
+ return DRM_ERR(ENOMEM);
+
+ obj->handle = init.handle;
+
+ if (nouveau_hash_table_insert(dev, fifo, obj)) {
+ nouveau_object_free(dev, fifo, obj);
+ return DRM_ERR(ENOMEM);
+ }
+
+ nouveau_object_link(dev, fifo, obj);
+
+ return 0;
+}
+
+int nouveau_ioctl_dma_object_init(DRM_IOCTL_ARGS)
+{
+ DRM_DEVICE;
+ drm_nouveau_dma_object_init_t init;
+ struct nouveau_object *obj;
+ int fifo;
+
+ fifo = nouveau_fifo_id_get(dev, filp);
+
+ DRM_COPY_FROM_USER_IOCTL(init, (drm_nouveau_dma_object_init_t __user *)
+ data, sizeof(init));
+
+ if (nouveau_object_handle_find(dev, fifo, init.handle)) {
+ DRM_ERROR("Channel %d: handle 0x%08x already exists\n",
+ fifo, init.handle);
+ return DRM_ERR(EINVAL);
+ }
+
+ obj = nouveau_dma_object_create(dev, init.offset, init.size,
+ init.access, init.target);
+ if (!obj)
+ return DRM_ERR(ENOMEM);
+
+ obj->handle = init.handle;
+ if (nouveau_hash_table_insert(dev, fifo, obj)) {
+ nouveau_object_free(dev, fifo, obj);
+ return DRM_ERR(ENOMEM);
+ }
+
+ nouveau_object_link(dev, fifo, obj);
+
+ return 0;
+}
+
diff --git a/shared-core/nouveau_reg.h b/shared-core/nouveau_reg.h
new file mode 100644
index 00000000..42c5b851
--- /dev/null
+++ b/shared-core/nouveau_reg.h
@@ -0,0 +1,103 @@
+
+
+#define NV03_BOOT_0 0x00100000
+# define NV03_BOOT_0_RAM_AMOUNT 0x00000003
+# define NV03_BOOT_0_RAM_AMOUNT_8MB 0x00000000
+# define NV03_BOOT_0_RAM_AMOUNT_2MB 0x00000001
+# define NV03_BOOT_0_RAM_AMOUNT_4MB 0x00000002
+# define NV03_BOOT_0_RAM_AMOUNT_8MB_SDRAM 0x00000003
+# define NV04_BOOT_0_RAM_AMOUNT_32MB 0x00000000
+# define NV04_BOOT_0_RAM_AMOUNT_4MB 0x00000001
+# define NV04_BOOT_0_RAM_AMOUNT_8MB 0x00000002
+# define NV04_BOOT_0_RAM_AMOUNT_16MB 0x00000003
+
+#define NV04_FIFO_DATA 0x0010020c
+# define NV10_FIFO_DATA_RAM_AMOUNT_MB_MASK 0xfff00000
+# define NV10_FIFO_DATA_RAM_AMOUNT_MB_SHIFT 20
+
+#define NV03_STATUS 0x004006b0
+#define NV04_STATUS 0x00400700
+
+#define NV_RAMIN 0x00700000
+
+#define NV_RAMHT_HANDLE_OFFSET 0
+#define NV_RAMHT_CONTEXT_OFFSET 4
+# define NV_RAMHT_CONTEXT_VALID (1<<31)
+# define NV_RAMHT_CONTEXT_CHANNEL_SHIFT 24
+# define NV_RAMHT_CONTEXT_ENGINE_SHIFT 16
+# define NV_RAMHT_CONTEXT_ENGINE_SOFTWARE 0
+# define NV_RAMHT_CONTEXT_ENGINE_GRAPHICS 1
+# define NV_RAMHT_CONTEXT_INSTANCE_SHIFT 0
+# define NV40_RAMHT_CONTEXT_CHANNEL_SHIFT 23
+# define NV40_RAMHT_CONTEXT_ENGINE_SHIFT 20
+# define NV40_RAMHT_CONTEXT_INSTANCE_SHIFT 0
+
+#define NV_DMA_ACCESS_RW 0
+#define NV_DMA_ACCESS_RO 1
+#define NV_DMA_ACCESS_WO 2
+#define NV_DMA_TARGET_VIDMEM 0
+#define NV_DMA_TARGET_AGP 3
+
+#define NV03_FIFO_SIZE 0x8000
+#define NV_MAX_FIFO_NUMBER 32
+#define NV03_FIFO_REGS_SIZE 0x10000
+#define NV03_FIFO_REGS(i) (0x00800000+i*NV03_FIFO_REGS_SIZE)
+# define NV03_FIFO_REGS_DMAPUT(i) (NV03_FIFO_REGS(i)+0x40)
+# define NV03_FIFO_REGS_DMAGET(i) (NV03_FIFO_REGS(i)+0x44)
+
+#define NV_PMC_INTSTAT 0x00000100
+# define NV_PMC_INTSTAT_PFIFO_PENDING (1<< 8)
+# define NV_PMC_INTSTAT_PGRAPH_PENDING (1<<12)
+# define NV_PMC_INTSTAT_CRTC0_PENDING (1<<24)
+# define NV_PMC_INTSTAT_CRTC1_PENDING (1<<25)
+# define NV_PMC_INTSTAT_CRTCn_PENDING (3<<24)
+#define NV_PMC_INTEN 0x00000140
+# define NV_PMC_INTEN_MASTER_ENABLE (1<< 0)
+
+#define NV_PGRAPH_INTSTAT 0x00400100
+#define NV_PGRAPH_INTEN 0x00400140
+# define NV_PGRAPH_INTR_NOTIFY (1<< 0)
+# define NV_PGRAPH_INTR_MISSING_HW (1<< 4)
+# define NV_PGRAPH_INTR_BUFFER_NOTIFY (1<<16)
+# define NV_PGRAPH_INTR_ERROR (1<<20)
+#define NV_PGRAPH_NV40_UNK220 0x00400220
+# define NV_PGRAPH_NV40_UNK220_FB_INSTANCE
+
+/* It's a guess that this works on NV03. Confirmed on NV04, though */
+#define NV03_FIFO_ENABLE 0x00002504
+#define NV_PFIFO_INTSTAT 0x00002100
+#define NV_PFIFO_INTEN 0x00002140
+# define NV_PFIFO_INTR_ERROR (1<<0)
+#define NV_PFIFO_RAMHT 0x00002210
+#define NV_PFIFO_RAMFC 0x00002214
+#define NV_PFIFO_RAMRO 0x00002218
+#define NV_PFIFO_CACHES 0x00002500
+#define NV_PFIFO_MODE 0x00002504
+#define NV_PFIFO_SIZE 0x0000250c
+#define NV_PFIFO_CACH0_PSH0 0x00003000
+#define NV_PFIFO_CACH0_PUL0 0x00003050
+#define NV_PFIFO_CACH0_PUL1 0x00003054
+#define NV_PFIFO_CACH1_PSH0 0x00003200
+#define NV_PFIFO_CACH1_PSH1 0x00003204
+#define NV_PFIFO_CACH1_DMAS 0x00003220
+#define NV_PFIFO_CACH1_DMAF 0x00003224
+#define NV_PFIFO_CACH1_DMAI 0x0000322c
+#define NV_PFIFO_CACH1_DMAC 0x00003230
+#define NV_PFIFO_CACH1_DMAP 0x00003240
+#define NV_PFIFO_CACH1_DMAG 0x00003244
+#define NV_PFIFO_CACH1_PUL0 0x00003250
+#define NV_PFIFO_CACH1_PUL1 0x00003254
+#define NV_PFIFO_CACH1_HASH 0x00003258
+#define NV_PFIFO_CACH1_ENG 0x00003280
+
+#define NV_CRTC0_INTSTAT 0x00600100
+#define NV_CRTC0_INTEN 0x00600140
+#define NV_CRTC1_INTSTAT 0x00602100
+#define NV_CRTC1_INTEN 0x00602140
+# define NV_CRTC_INTR_VBLANK (1<<0)
+
+/* Fifo commands. These are not regs, neither masks */
+#define NV03_FIFO_CMD_JUMP 0x20000000
+#define NV03_FIFO_CMD_JUMP_OFFSET_MASK 0x1ffffffc
+#define NV03_FIFO_CMD_REWIND (NV03_FIFO_CMD_JUMP | (0 & NV03_FIFO_CMD_JUMP_OFFSET_MASK))
+
diff --git a/shared-core/nouveau_state.c b/shared-core/nouveau_state.c
new file mode 100644
index 00000000..3bfa99ca
--- /dev/null
+++ b/shared-core/nouveau_state.c
@@ -0,0 +1,134 @@
+/*
+ * Copyright 2005 Stephane Marchesin
+ * 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
+ * PRECISION INSIGHT 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 "drm_sarea.h"
+#include "nouveau_drv.h"
+
+/* here a client dies, release the stuff that was allocated for its filp */
+void nouveau_preclose(drm_device_t * dev, DRMFILE filp)
+{
+ drm_nouveau_private_t *dev_priv = dev->dev_private;
+
+ nouveau_mem_release(filp,dev_priv->fb_heap);
+ nouveau_mem_release(filp,dev_priv->agp_heap);
+ nouveau_object_cleanup(dev, filp);
+ nouveau_fifo_cleanup(dev, filp);
+}
+
+/* first module load, setup the mmio/fb mapping */
+int nouveau_firstopen(struct drm_device *dev)
+{
+ int ret;
+ drm_nouveau_private_t *dev_priv = dev->dev_private;
+
+ /* resource 0 is mmio regs */
+ /* resource 1 is linear FB */
+ /* resource 2 is ??? (mmio regs + 0x1000000) */
+ /* resource 6 is bios */
+
+ /* map the mmio regs */
+ ret = drm_addmap(dev, drm_get_resource_start(dev, 0), drm_get_resource_len(dev, 0),
+ _DRM_REGISTERS, _DRM_READ_ONLY, &dev_priv->mmio);
+ if (dev_priv->mmio)
+ {
+ DRM_INFO("regs mapped ok at 0x%lx\n",dev_priv->mmio->offset);
+ }
+ else
+ {
+ DRM_ERROR("Unable to initialize the mmio mapping. Please report your setup to " DRIVER_EMAIL "\n");
+ return 1;
+ }
+
+ DRM_INFO("%lld MB of video ram detected\n",nouveau_mem_fb_amount(dev)>>20);
+
+ if (dev_priv->card_type>=NV_40)
+ dev_priv->fb_usable_size=nouveau_mem_fb_amount(dev)-560*1024;
+ else
+ dev_priv->fb_usable_size=nouveau_mem_fb_amount(dev)-256*1024;
+
+ nouveau_hash_table_init(dev);
+
+ if (dev_priv->card_type >= NV_40)
+ dev_priv->fb_obj = nouveau_dma_object_create(dev,
+ 0, nouveau_mem_fb_amount(dev),
+ NV_DMA_ACCESS_RW, NV_DMA_TARGET_VIDMEM);
+
+ /* allocate one buffer for all the fifos */
+ dev_priv->cmdbuf_alloc = nouveau_mem_alloc(dev, 0, 1024*1024, NOUVEAU_MEM_FB, (DRMFILE)-2);
+
+ if (dev_priv->cmdbuf_alloc->flags&NOUVEAU_MEM_AGP) {
+ dev_priv->cmdbuf_location = NV_DMA_TARGET_AGP;
+ dev_priv->cmdbuf_ch_size = NV03_FIFO_SIZE;
+ dev_priv->cmdbuf_base = dev_priv->cmdbuf_alloc->start;
+ dev_priv->cmdbuf_obj = nouveau_dma_object_create(dev,
+ dev_priv->cmdbuf_base, nouveau_fifo_number(dev)*NV03_FIFO_SIZE,
+ NV_DMA_ACCESS_RO, dev_priv->cmdbuf_location);
+ } else { /* NOUVEAU_MEM_FB */
+ dev_priv->cmdbuf_location = NV_DMA_TARGET_VIDMEM;
+ dev_priv->cmdbuf_ch_size = NV03_FIFO_SIZE;
+ dev_priv->cmdbuf_base = dev_priv->cmdbuf_alloc->start;
+ dev_priv->cmdbuf_obj = nouveau_dma_object_create(dev,
+ dev_priv->cmdbuf_base - drm_get_resource_start(dev, 1),
+ nouveau_fifo_number(dev)*NV03_FIFO_SIZE,
+ NV_DMA_ACCESS_RO, dev_priv->cmdbuf_location);
+ }
+
+ DRM_INFO("DMA command buffer is %dKiB at 0x%08x(%s)\n",
+ (nouveau_fifo_number(dev)*dev_priv->cmdbuf_ch_size)/1024,
+ dev_priv->cmdbuf_base,
+ dev_priv->cmdbuf_location == NV_DMA_TARGET_AGP ? "AGP" : "VRAM"
+ );
+
+ return 0;
+}
+
+int nouveau_load(struct drm_device *dev, unsigned long flags)
+{
+ drm_nouveau_private_t *dev_priv;
+
+ if (flags==NV_UNKNOWN)
+ return DRM_ERR(EINVAL);
+
+ dev_priv = drm_alloc(sizeof(drm_nouveau_private_t), DRM_MEM_DRIVER);
+ if (!dev_priv)
+ return DRM_ERR(ENOMEM);
+
+ memset(dev_priv, 0, sizeof(drm_nouveau_private_t));
+ dev_priv->card_type=flags&NOUVEAU_FAMILY;
+ dev_priv->flags=flags&NOUVEAU_FLAGS;
+
+ dev->dev_private = (void *)dev_priv;
+
+ return 0;
+}
+
+int nouveau_unload(struct drm_device *dev)
+{
+ drm_free(dev->dev_private, sizeof(*dev->dev_private), DRM_MEM_DRIVER);
+ dev->dev_private = NULL;
+ return 0;
+}
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-24 17:44:38 +0000