summaryrefslogtreecommitdiff
path: root/linux-core
diff options
context:
space:
mode:
Diffstat (limited to 'linux-core')
-rw-r--r--linux-core/Makefile.kernel2
-rw-r--r--linux-core/radeon_buffer.c117
-rw-r--r--linux-core/radeon_drv.c39
-rw-r--r--linux-core/radeon_fence.c128
4 files changed, 285 insertions, 1 deletions
diff --git a/linux-core/Makefile.kernel b/linux-core/Makefile.kernel
index 6f5b021b..510509cc 100644
--- a/linux-core/Makefile.kernel
+++ b/linux-core/Makefile.kernel
@@ -27,7 +27,7 @@ nouveau-objs := nouveau_drv.o nouveau_state.o nouveau_fifo.o nouveau_mem.o \
nv04_fb.o nv10_fb.o nv40_fb.o \
nv04_graph.o nv10_graph.o nv20_graph.o nv30_graph.o \
nv40_graph.o
-radeon-objs := radeon_drv.o radeon_cp.o radeon_state.o radeon_mem.o radeon_irq.o r300_cmdbuf.o
+radeon-objs := radeon_drv.o radeon_cp.o radeon_state.o radeon_mem.o radeon_irq.o r300_cmdbuf.o radeon_fence.o radeon_buffer.o
sis-objs := sis_drv.o sis_mm.o
ffb-objs := ffb_drv.o ffb_context.o
savage-objs := savage_drv.o savage_bci.o savage_state.o
diff --git a/linux-core/radeon_buffer.c b/linux-core/radeon_buffer.c
new file mode 100644
index 00000000..796191c1
--- /dev/null
+++ b/linux-core/radeon_buffer.c
@@ -0,0 +1,117 @@
+/**************************************************************************
+ *
+ * Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND., USA
+ * 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, sub license, 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 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 NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS 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.
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ *
+ **************************************************************************/
+/*
+ * Authors: Thomas Hellström <thomas-at-tungstengraphics-dot-com>
+ */
+
+#include "drmP.h"
+#include "radeon_drm.h"
+#include "radeon_drv.h"
+
+
+drm_ttm_backend_t *radeon_create_ttm_backend_entry(drm_device_t * dev)
+{
+ return drm_agp_init_ttm(dev, NULL);
+}
+
+int radeon_fence_types(drm_buffer_object_t *bo, uint32_t * class, uint32_t * type)
+{
+ *class = 0;
+ if (bo->mem.flags & (DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE))
+ *type = 3;
+ else
+ *type = 1;
+ return 0;
+}
+
+int radeon_invalidate_caches(drm_device_t * dev, uint32_t flags)
+{
+ /*
+ * FIXME: Only emit once per batchbuffer submission.
+ */
+#if 0
+ uint32_t flush_cmd = MI_NO_WRITE_FLUSH;
+
+ if (flags & DRM_BO_FLAG_READ)
+ flush_cmd |= MI_READ_FLUSH;
+ if (flags & DRM_BO_FLAG_EXE)
+ flush_cmd |= MI_EXE_FLUSH;
+
+ return 0;
+// return radeon_emit_mi_flush(dev, flush_cmd);
+#endif
+ return 0;
+}
+
+uint32_t radeon_evict_mask(drm_buffer_object_t *bo)
+{
+ switch (bo->mem.mem_type) {
+ case DRM_BO_MEM_LOCAL:
+ case DRM_BO_MEM_TT:
+ return DRM_BO_FLAG_MEM_LOCAL;
+ default:
+ return DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_CACHED;
+ }
+}
+
+int radeon_init_mem_type(drm_device_t * dev, uint32_t type,
+ drm_mem_type_manager_t * man)
+{
+ switch (type) {
+ case DRM_BO_MEM_LOCAL:
+ man->flags = _DRM_FLAG_MEMTYPE_MAPPABLE |
+ _DRM_FLAG_MEMTYPE_CACHED;
+ man->drm_bus_maptype = 0;
+ break;
+ case DRM_BO_MEM_TT:
+ if (!(drm_core_has_AGP(dev) && dev->agp)) {
+ DRM_ERROR("AGP is not enabled for memory type %u\n",
+ (unsigned)type);
+ return -EINVAL;
+ }
+ man->io_offset = dev->agp->agp_info.aper_base;
+ man->io_size = dev->agp->agp_info.aper_size * 1024 * 1024;
+ man->io_addr = NULL;
+ man->flags = _DRM_FLAG_MEMTYPE_MAPPABLE |
+ _DRM_FLAG_MEMTYPE_CSELECT | _DRM_FLAG_NEEDS_IOREMAP;
+ man->drm_bus_maptype = _DRM_AGP;
+ break;
+ default:
+ DRM_ERROR("Unsupported memory type %u\n", (unsigned)type);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+int radeon_move(drm_buffer_object_t * bo,
+ int evict, int no_wait, drm_bo_mem_reg_t * new_mem)
+{
+
+ return 0;
+}
+
diff --git a/linux-core/radeon_drv.c b/linux-core/radeon_drv.c
index 43b9aca0..6f63a7c4 100644
--- a/linux-core/radeon_drv.c
+++ b/linux-core/radeon_drv.c
@@ -56,6 +56,38 @@ static struct pci_device_id pciidlist[] = {
radeon_PCI_IDS
};
+
+#ifdef RADEON_HAVE_FENCE
+static drm_fence_driver_t radeon_fence_driver = {
+ .num_classes = 1,
+ .wrap_diff = (1 << 30),
+ .flush_diff = (1 << 29),
+ .sequence_mask = 0xffffffffU,
+ .lazy_capable = 1,
+ .emit = radeon_fence_emit_sequence,
+ .poke_flush = radeon_poke_flush,
+ .has_irq = radeon_fence_has_irq,
+};
+#endif
+#ifdef RADEON_HAVE_BUFFER
+
+static uint32_t radeon_mem_prios[] = {DRM_BO_MEM_PRIV0, DRM_BO_MEM_TT, DRM_BO_MEM_LOCAL};
+static uint32_t radeon_busy_prios[] = {DRM_BO_MEM_TT, DRM_BO_MEM_PRIV0, DRM_BO_MEM_LOCAL};
+
+static drm_bo_driver_t radeon_bo_driver = {
+ .mem_type_prio = radeon_mem_prios,
+ .mem_busy_prio = radeon_busy_prios,
+ .num_mem_type_prio = sizeof(radeon_mem_prios)/sizeof(uint32_t),
+ .num_mem_busy_prio = sizeof(radeon_busy_prios)/sizeof(uint32_t),
+ .create_ttm_backend_entry = radeon_create_ttm_backend_entry,
+ .fence_type = radeon_fence_types,
+ .invalidate_caches = radeon_invalidate_caches,
+ .init_mem_type = radeon_init_mem_type,
+ .evict_mask = radeon_evict_mask,
+ .move = radeon_move,
+};
+#endif
+
static int probe(struct pci_dev *pdev, const struct pci_device_id *ent);
static struct drm_driver driver = {
.driver_features =
@@ -100,6 +132,13 @@ static struct drm_driver driver = {
.remove = __devexit_p(drm_cleanup_pci),
},
+#ifdef RADEON_HAVE_FENCE
+ .fence_driver = &radeon_fence_driver,
+#endif
+#ifdef RADEON_HAVE_BUFFER
+ .bo_driver = &radeon_bo_driver,
+#endif
+
.name = DRIVER_NAME,
.desc = DRIVER_DESC,
.date = DRIVER_DATE,
diff --git a/linux-core/radeon_fence.c b/linux-core/radeon_fence.c
new file mode 100644
index 00000000..57b318af
--- /dev/null
+++ b/linux-core/radeon_fence.c
@@ -0,0 +1,128 @@
+/**************************************************************************
+ *
+ * Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND., USA
+ * 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, sub license, 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 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 NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS 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.
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ *
+ **************************************************************************/
+/*
+ * Authors: Thomas Hellström <thomas-at-tungstengraphics-dot-com>
+ */
+
+#include "drmP.h"
+#include "drm.h"
+#include "radeon_drm.h"
+#include "radeon_drv.h"
+
+/*
+ * Implements an intel sync flush operation.
+ */
+
+static void radeon_perform_flush(drm_device_t * dev)
+{
+ drm_radeon_private_t *dev_priv = (drm_radeon_private_t *) dev->dev_private;
+ drm_fence_manager_t *fm = &dev->fm;
+ drm_fence_class_manager_t *fc = &dev->fm.class[0];
+ drm_fence_driver_t *driver = dev->driver->fence_driver;
+ uint32_t pending_flush_types = 0;
+ uint32_t flush_flags = 0;
+ uint32_t flush_sequence = 0;
+ uint32_t i_status;
+ uint32_t diff;
+ uint32_t sequence;
+
+ if (!dev_priv)
+ return;
+
+ pending_flush_types = fc->pending_flush |
+ ((fc->pending_exe_flush) ? DRM_FENCE_TYPE_EXE : 0);
+
+ if (pending_flush_types) {
+ drm_fence_handler(dev, 0, 0,0);
+
+ }
+
+ return;
+}
+
+void radeon_poke_flush(drm_device_t * dev, uint32_t class)
+{
+ drm_fence_manager_t *fm = &dev->fm;
+ unsigned long flags;
+
+ if (class != 0)
+ return;
+
+ write_lock_irqsave(&fm->lock, flags);
+ radeon_perform_flush(dev);
+ write_unlock_irqrestore(&fm->lock, flags);
+}
+
+int radeon_fence_emit_sequence(drm_device_t *dev, uint32_t class,
+ uint32_t flags, uint32_t *sequence,
+ uint32_t *native_type)
+{
+ drm_radeon_private_t *dev_priv = (drm_radeon_private_t *) dev->dev_private;
+ RING_LOCALS;
+
+ if (!dev_priv)
+ return -EINVAL;
+
+ *native_type = DRM_FENCE_TYPE_EXE;
+ if (flags & DRM_RADEON_FENCE_FLAG_FLUSHED) {
+ *native_type |= DRM_RADEON_FENCE_TYPE_RW;
+
+ BEGIN_RING(4);
+
+ RADEON_FLUSH_CACHE();
+ RADEON_FLUSH_ZCACHE();
+ ADVANCE_RING();
+ }
+
+ radeon_emit_irq(dev);
+ *sequence = (uint32_t) dev_priv->counter;
+
+
+ return 0;
+}
+
+void radeon_fence_handler(drm_device_t * dev)
+{
+ drm_fence_manager_t *fm = &dev->fm;
+
+ write_lock(&fm->lock);
+ radeon_perform_flush(dev);
+ write_unlock(&fm->lock);
+}
+
+int radeon_fence_has_irq(drm_device_t *dev, uint32_t class, uint32_t flags)
+{
+ /*
+ * We have an irq that tells us when we have a new breadcrumb.
+ */
+
+ if (class == 0 && flags == DRM_FENCE_TYPE_EXE)
+ return 1;
+
+ return 0;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-31 08:27:55 +0000