-/*
+/*
* Copyright © 2009 Corbin Simpson
* 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
* 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
+ * 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
/*
* Authors:
* Corbin Simpson <MostAwesomeDude@gmail.com>
+ * Joakim Sindholt <opensource@zhasha.com>
*/
#include "radeon_drm.h"
+#include "radeon_r300.h"
+#include "radeon_buffer.h"
+
+#include "r300_winsys.h"
#include "trace/tr_drm.h"
-/* Create a pipe_screen. */
-struct pipe_screen* radeon_create_screen(struct drm_api* api,
- int drmFB,
- struct drm_create_screen_arg *arg)
+#include "util/u_memory.h"
+
+#include "xf86drm.h"
+#include <sys/ioctl.h>
+
+/* Helper function to do the ioctls needed for setup and init. */
+static void do_ioctls(int fd, struct radeon_winsys* winsys)
{
- struct radeon_winsys* winsys = radeon_pipe_winsys(drmFB);
+ struct drm_radeon_gem_info gem_info = {0};
+ struct drm_radeon_info info = {0};
+ int target = 0;
+ int retval;
+ drmVersionPtr version;
- if (getenv("RADEON_SOFTPIPE")) {
- return softpipe_create_screen((struct pipe_winsys*)winsys);
- } else {
- struct r300_winsys* r300 = radeon_create_r300_winsys(drmFB, winsys);
- FREE(winsys);
- return r300_create_screen(r300);
+ info.value = (unsigned long)⌖
+
+ /* We do things in a specific order here.
+ *
+ * DRM version first. We need to be sure we're running on a KMS chipset.
+ * This is also for some features.
+ *
+ * Then, the PCI ID. This is essential and should return usable numbers
+ * for all Radeons. If this fails, we probably got handed an FD for some
+ * non-Radeon card.
+ *
+ * The GB and Z pipe requests should always succeed, but they might not
+ * return sensical values for all chipsets, but that's alright because
+ * the pipe drivers already know that.
+ *
+ * The GEM info is actually bogus on the kernel side, as well as our side
+ * (see radeon_gem_info_ioctl in radeon_gem.c) but that's alright because
+ * we don't actually use the info for anything yet. */
+
+ version = drmGetVersion(fd);
+ if (version->version_major != 2) {
+ fprintf(stderr, "%s: DRM version is %d.%d.%d but this driver is "
+ "only compatible with 2.x.x\n", __FUNCTION__,
+ version->version_major, version->version_minor,
+ version->version_patchlevel);
+ drmFreeVersion(version);
+ exit(1);
}
+
+ info.request = RADEON_INFO_DEVICE_ID;
+ retval = drmCommandWriteRead(fd, DRM_RADEON_INFO, &info, sizeof(info));
+ if (retval) {
+ fprintf(stderr, "%s: Failed to get PCI ID, "
+ "error number %d\n", __FUNCTION__, retval);
+ exit(1);
+ }
+ winsys->pci_id = target;
+
+ info.request = RADEON_INFO_NUM_GB_PIPES;
+ retval = drmCommandWriteRead(fd, DRM_RADEON_INFO, &info, sizeof(info));
+ if (retval) {
+ fprintf(stderr, "%s: Failed to get GB pipe count, "
+ "error number %d\n", __FUNCTION__, retval);
+ exit(1);
+ }
+ winsys->gb_pipes = target;
+
+ info.request = RADEON_INFO_NUM_Z_PIPES;
+ retval = drmCommandWriteRead(fd, DRM_RADEON_INFO, &info, sizeof(info));
+ if (retval) {
+ fprintf(stderr, "%s: Failed to get Z pipe count, "
+ "error number %d\n", __FUNCTION__, retval);
+ exit(1);
+ }
+ winsys->z_pipes = target;
+
+ retval = drmCommandWriteRead(fd, DRM_RADEON_GEM_INFO,
+ &gem_info, sizeof(gem_info));
+ if (retval) {
+ fprintf(stderr, "%s: Failed to get MM info, error number %d\n",
+ __FUNCTION__, retval);
+ exit(1);
+ }
+ winsys->gart_size = gem_info.gart_size;
+ winsys->vram_size = gem_info.vram_size;
+
+ debug_printf("radeon: Successfully grabbed chipset info from kernel!\n"
+ "radeon: DRM version: %d.%d.%d ID: 0x%04x GB: %d Z: %d\n"
+ "radeon: GART size: %d MB VRAM size: %d MB\n",
+ version->version_major, version->version_minor,
+ version->version_patchlevel, winsys->pci_id,
+ winsys->gb_pipes, winsys->z_pipes,
+ winsys->gart_size / 1024 / 1024,
+ winsys->vram_size / 1024 / 1024);
+
+ drmFreeVersion(version);
}
-/* Create a pipe_context. */
-struct pipe_context* radeon_create_context(struct drm_api* api,
- struct pipe_screen* screen)
+/* Create a pipe_screen. */
+struct pipe_screen* radeon_create_screen(struct drm_api* api,
+ int drmFB,
+ struct drm_create_screen_arg *arg)
{
- if (getenv("RADEON_SOFTPIPE")) {
- return radeon_create_softpipe(screen->winsys);
+ struct radeon_winsys* rwinsys = radeon_pipe_winsys(drmFB);
+ do_ioctls(drmFB, rwinsys);
+
+ /* The state tracker can organize a softpipe fallback if no hw
+ * driver is found.
+ */
+ if (is_r3xx(rwinsys->pci_id)) {
+ radeon_setup_winsys(drmFB, rwinsys);
+ return r300_create_screen(rwinsys);
} else {
- return r300_create_context(screen, screen->winsys);
+ FREE(rwinsys);
+ return NULL;
}
}
+
boolean radeon_buffer_from_texture(struct drm_api* api,
+ struct pipe_screen* screen,
struct pipe_texture* texture,
struct pipe_buffer** buffer,
unsigned* stride)
{
/* XXX fix this */
- return r300_get_texture_buffer(texture, buffer, stride);
+ return r300_get_texture_buffer(screen, texture, buffer, stride);
}
/* Create a buffer from a handle. */
return &radeon_buffer->base;
}
-boolean radeon_handle_from_buffer(struct drm_api* api,
- struct pipe_screen* screen,
- struct pipe_buffer* buffer,
- unsigned* handle)
+static struct pipe_texture*
+radeon_texture_from_shared_handle(struct drm_api *api,
+ struct pipe_screen *screen,
+ struct pipe_texture *templ,
+ const char *name,
+ unsigned stride,
+ unsigned handle)
{
- struct radeon_pipe_buffer* radeon_buffer =
- (struct radeon_pipe_buffer*)buffer;
- *handle = radeon_buffer->bo->handle;
- return TRUE;
+ struct pipe_buffer *buffer;
+ struct pipe_texture *blanket;
+
+ buffer = radeon_buffer_from_handle(api, screen, name, handle);
+ if (!buffer) {
+ return NULL;
+ }
+
+ blanket = screen->texture_blanket(screen, templ, &stride, buffer);
+
+ pipe_buffer_reference(&buffer, NULL);
+
+ return blanket;
}
-boolean radeon_global_handle_from_buffer(struct drm_api* api,
- struct pipe_screen* screen,
- struct pipe_buffer* buffer,
- unsigned* handle)
+static boolean radeon_shared_handle_from_texture(struct drm_api *api,
+ struct pipe_screen *screen,
+ struct pipe_texture *texture,
+ unsigned *stride,
+ unsigned *handle)
{
int retval, fd;
struct drm_gem_flink flink;
- struct radeon_pipe_buffer* radeon_buffer =
- (struct radeon_pipe_buffer*)buffer;
+ struct radeon_pipe_buffer* radeon_buffer;
+ struct pipe_buffer *buffer = NULL;
+
+ if (!radeon_buffer_from_texture(api, screen, texture, &buffer, stride)) {
+ return FALSE;
+ }
+ radeon_buffer = (struct radeon_pipe_buffer*)buffer;
if (!radeon_buffer->flinked) {
fd = ((struct radeon_winsys*)screen->winsys)->priv->fd;
return TRUE;
}
+static boolean radeon_local_handle_from_texture(struct drm_api *api,
+ struct pipe_screen *screen,
+ struct pipe_texture *texture,
+ unsigned *stride,
+ unsigned *handle)
+{
+ struct pipe_buffer *buffer = NULL;
+ if (!radeon_buffer_from_texture(api, screen, texture, &buffer, stride)) {
+ return FALSE;
+ }
+
+ *handle = ((struct radeon_pipe_buffer*)buffer)->bo->handle;
+
+ pipe_buffer_reference(&buffer, NULL);
+
+ return TRUE;
+}
+
+static void radeon_drm_api_destroy(struct drm_api *api)
+{
+ return;
+}
+
struct drm_api drm_api_hooks = {
+ .name = "radeon",
+ .driver_name = "radeon",
.create_screen = radeon_create_screen,
- .create_context = radeon_create_context,
- .buffer_from_texture = radeon_buffer_from_texture,
- .buffer_from_handle = radeon_buffer_from_handle,
- .handle_from_buffer = radeon_handle_from_buffer,
- .global_handle_from_buffer = radeon_global_handle_from_buffer,
+ .texture_from_shared_handle = radeon_texture_from_shared_handle,
+ .shared_handle_from_texture = radeon_shared_handle_from_texture,
+ .local_handle_from_texture = radeon_local_handle_from_texture,
+ .destroy = radeon_drm_api_destroy,
};
struct drm_api* drm_api_create()
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