aboutsummaryrefslogtreecommitdiffstats
path: root/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/gallium/winsys/radeon/drm/radeon_drm_winsys.c')
-rw-r--r--src/gallium/winsys/radeon/drm/radeon_drm_winsys.c247
1 files changed, 247 insertions, 0 deletions
diff --git a/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c b/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
new file mode 100644
index 00000000000..37f6d18689d
--- /dev/null
+++ b/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
@@ -0,0 +1,247 @@
+/*
+ * Copyright © 2009 Corbin Simpson
+ * Copyright © 2011 Marek Olšák <[email protected]>
+ * 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:
+ * Corbin Simpson <[email protected]>
+ * Joakim Sindholt <[email protected]>
+ * Marek Olšák <[email protected]>
+ */
+
+#include "radeon_drm_bo.h"
+#include "radeon_drm_cs.h"
+#include "radeon_drm_public.h"
+
+#include "pipebuffer/pb_bufmgr.h"
+#include "util/u_memory.h"
+
+#include <xf86drm.h>
+#include <stdio.h>
+
+#ifndef RADEON_INFO_WANT_HYPERZ
+#define RADEON_INFO_WANT_HYPERZ 7
+#endif
+#ifndef RADEON_INFO_WANT_CMASK
+#define RADEON_INFO_WANT_CMASK 8
+#endif
+
+/* Enable/disable feature access. Return TRUE on success. */
+static boolean radeon_set_fd_access(int fd, unsigned request, boolean enable)
+{
+ struct drm_radeon_info info = {0};
+ unsigned value = enable ? 1 : 0;
+
+ info.value = (unsigned long)&value;
+ info.request = request;
+
+ if (drmCommandWriteRead(fd, DRM_RADEON_INFO, &info, sizeof(info)) != 0)
+ return FALSE;
+
+ if (enable && !value)
+ return FALSE;
+
+ return TRUE;
+}
+
+/* Helper function to do the ioctls needed for setup and init. */
+static void do_ioctls(struct radeon_drm_winsys *winsys)
+{
+ struct drm_radeon_gem_info gem_info = {0};
+ struct drm_radeon_info info = {0};
+ int target = 0;
+ int retval;
+ drmVersionPtr version;
+
+ info.value = (unsigned long)&target;
+
+ /* 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(winsys->fd);
+ if (version->version_major != 2 ||
+ version->version_minor < 3) {
+ fprintf(stderr, "%s: DRM version is %d.%d.%d but this driver is "
+ "only compatible with 2.3.x (kernel 2.6.34) and later.\n",
+ __FUNCTION__,
+ version->version_major,
+ version->version_minor,
+ version->version_patchlevel);
+ drmFreeVersion(version);
+ exit(1);
+ }
+
+ winsys->drm_major = version->version_major;
+ winsys->drm_minor = version->version_minor;
+ winsys->drm_patchlevel = version->version_patchlevel;
+
+ info.request = RADEON_INFO_DEVICE_ID;
+ retval = drmCommandWriteRead(winsys->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(winsys->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(winsys->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;
+
+ if (debug_get_bool_option("RADEON_HYPERZ", FALSE)) {
+ winsys->hyperz = radeon_set_fd_access(winsys->fd,
+ RADEON_INFO_WANT_HYPERZ, TRUE);
+ }
+
+ if (debug_get_bool_option("RADEON_CMASK", FALSE)) {
+ winsys->aacompress = radeon_set_fd_access(winsys->fd,
+ RADEON_INFO_WANT_CMASK, TRUE);
+ }
+
+ retval = drmCommandWriteRead(winsys->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;
+
+ drmFreeVersion(version);
+
+ winsys->num_cpus = sysconf(_SC_NPROCESSORS_ONLN);
+}
+
+static void radeon_winsys_destroy(struct radeon_winsys *rws)
+{
+ struct radeon_drm_winsys *ws = (struct radeon_drm_winsys*)rws;
+
+ ws->cman->destroy(ws->cman);
+ ws->kman->destroy(ws->kman);
+ FREE(rws);
+}
+
+static uint32_t radeon_get_value(struct radeon_winsys *rws,
+ enum radeon_value_id id)
+{
+ struct radeon_drm_winsys *ws = (struct radeon_drm_winsys *)rws;
+
+ switch(id) {
+ case RADEON_VID_PCI_ID:
+ return ws->pci_id;
+ case RADEON_VID_R300_GB_PIPES:
+ return ws->gb_pipes;
+ case RADEON_VID_R300_Z_PIPES:
+ return ws->z_pipes;
+ case RADEON_VID_GART_SIZE:
+ return ws->gart_size;
+ case RADEON_VID_VRAM_SIZE:
+ return ws->vram_size;
+ case RADEON_VID_DRM_MAJOR:
+ return ws->drm_major;
+ case RADEON_VID_DRM_MINOR:
+ return ws->drm_minor;
+ case RADEON_VID_DRM_PATCHLEVEL:
+ return ws->drm_patchlevel;
+ case RADEON_VID_DRM_2_6_0:
+ return ws->drm_major*100 + ws->drm_minor >= 206;
+ case RADEON_VID_DRM_2_8_0:
+ return ws->drm_major*100 + ws->drm_minor >= 208;
+ case RADEON_VID_CAN_HYPERZ:
+ return ws->hyperz;
+ case RADEON_VID_CAN_AACOMPRESS:
+ return ws->aacompress;
+ }
+ return 0;
+}
+
+struct radeon_winsys *radeon_drm_winsys_create(int fd)
+{
+ struct radeon_drm_winsys *ws = CALLOC_STRUCT(radeon_drm_winsys);
+ if (!ws) {
+ return NULL;
+ }
+
+ ws->fd = fd;
+ do_ioctls(ws);
+
+ if (!is_r3xx(ws->pci_id)) {
+ goto fail;
+ }
+
+ /* Create managers. */
+ ws->kman = radeon_bomgr_create(ws);
+ if (!ws->kman)
+ goto fail;
+ ws->cman = pb_cache_manager_create(ws->kman, 1000000);
+ if (!ws->cman)
+ goto fail;
+
+ /* Set functions. */
+ ws->base.destroy = radeon_winsys_destroy;
+ ws->base.get_value = radeon_get_value;
+
+ radeon_bomgr_init_functions(ws);
+ radeon_drm_cs_init_functions(ws);
+
+ return &ws->base;
+
+fail:
+ if (ws->cman)
+ ws->cman->destroy(ws->cman);
+ if (ws->kman)
+ ws->kman->destroy(ws->kman);
+ FREE(ws);
+ return NULL;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-01 01:57:21 +0000