r300g: cleanup winsys

1 files changed, 239 insertions, 0 deletions

diff --git a/src/gallium/winsys/radeon/drm/radeon_drm_common.c b/src/gallium/winsys/radeon/drm/radeon_drm_common.c
new file mode 100644
index 0000000000..6bc6244115
--- /dev/null
+++ b/src/gallium/winsys/radeon/drm/radeon_drm_common.c
@@ -0,0 +1,239 @@
+/*
+ * 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
+ * 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 <MostAwesomeDude@gmail.com>
+ *      Joakim Sindholt <opensource@zhasha.com>
+ */
+
+#include "radeon_winsys.h"
+#include "radeon_drm_buffer.h"
+#include "radeon_drm_public.h"
+
+#include "pipebuffer/pb_bufmgr.h"
+#include "util/u_memory.h"
+
+#include "state_tracker/drm_driver.h"
+
+#include <radeon_drm.h>
+#include <radeon_bo_gem.h>
+#include <radeon_cs_gem.h>
+#include <xf86drm.h>
+#include <stdio.h>
+
+
+/* Enable/disable Hyper-Z access. Return TRUE on success. */
+static boolean radeon_set_hyperz_access(int fd, boolean enable)
+{
+#ifndef RADEON_INFO_WANT_HYPERZ
+#define RADEON_INFO_WANT_HYPERZ 7
+#endif
+
+    struct drm_radeon_info info = {0};
+    unsigned value = enable ? 1 : 0;
+
+    if (!debug_get_bool_option("RADEON_HYPERZ", FALSE))
+        return FALSE;
+
+    info.value = (unsigned long)&value;
+    info.request = RADEON_INFO_WANT_HYPERZ;
+
+    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) {
+        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);
+    }
+
+/* XXX Remove this ifdef when libdrm version 2.4.19 becomes mandatory. */
+#ifdef RADEON_BO_FLAGS_MICRO_TILE_SQUARE
+    // Supported since 2.1.0.
+    winsys->squaretiling = version->version_major > 2 ||
+                           version->version_minor >= 1;
+#endif
+
+    winsys->drm_2_3_0 = version->version_major > 2 ||
+                        version->version_minor >= 3;
+
+    winsys->drm_2_6_0 = version->version_major > 2 ||
+                        (version->version_major == 2 &&
+                         version->version_minor >= 6);
+
+    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;
+
+    winsys->hyperz = radeon_set_hyperz_access(winsys->fd, 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;
+
+    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"
+                 "radeon: HyperZ: %s\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,
+                 winsys->hyperz ? "YES" : "NO");
+
+    drmFreeVersion(version);
+}
+
+static void radeon_winsys_destroy(struct r300_winsys_screen *rws)
+{
+    struct radeon_drm_winsys *ws = (struct radeon_drm_winsys*)rws;
+
+    ws->cman->destroy(ws->cman);
+    ws->kman->destroy(ws->kman);
+
+    radeon_bo_manager_gem_dtor(ws->bom);
+    radeon_cs_manager_gem_dtor(ws->csm);
+    FREE(rws);
+}
+
+struct r300_winsys_screen *r300_drm_winsys_screen_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->bom = radeon_bo_manager_gem_ctor(fd);
+    if (!ws->bom)
+	goto fail;
+    ws->csm = radeon_cs_manager_gem_ctor(fd);
+    if (!ws->csm)
+	goto fail;
+    ws->kman = radeon_drm_bufmgr_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;
+
+    radeon_drm_bufmgr_init_functions(ws);
+    radeon_winsys_init_functions(ws);
+
+    return &ws->base;
+
+fail:
+    if (ws->bom)
+	radeon_bo_manager_gem_dtor(ws->bom);
+    if (ws->csm)
+	radeon_cs_manager_gem_dtor(ws->csm);
+
+    if (ws->cman)
+	ws->cman->destroy(ws->cman);
+    if (ws->kman)
+	ws->kman->destroy(ws->kman);
+
+    FREE(ws);
+    return NULL;
+}