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-rw-r--r--linux-core/radeon_gem_proc.c146
1 files changed, 146 insertions, 0 deletions
diff --git a/linux-core/radeon_gem_proc.c b/linux-core/radeon_gem_proc.c
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+++ b/linux-core/radeon_gem_proc.c
@@ -0,0 +1,146 @@
+/*
+ * Copyright © 2008 Intel Corporation
+ *
+ * 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 OR COPYRIGHT HOLDERS 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:
+ * Eric Anholt <eric@anholt.net>
+ * Keith Packard <keithp@keithp.com>
+ *
+ */
+
+#include "drmP.h"
+#include "drm.h"
+#include "radeon_drm.h"
+#include "radeon_drv.h"
+
+
+static int radeon_ring_info(char *buf, char **start, off_t offset,
+ int request, int *eof, void *data)
+{
+ struct drm_minor *minor = (struct drm_minor *) data;
+ struct drm_device *dev = minor->dev;
+ drm_radeon_private_t *dev_priv = dev->dev_private;
+ int len = 0;
+
+ if (offset > DRM_PROC_LIMIT) {
+ *eof = 1;
+ return 0;
+ }
+
+ *start = &buf[offset];
+ *eof = 0;
+ DRM_PROC_PRINT("RADEON_CP_RB_WPTR %08x\n",
+ RADEON_READ(RADEON_CP_RB_WPTR));
+
+ DRM_PROC_PRINT("RADEON_CP_RB_RPTR %08x\n",
+ RADEON_READ(RADEON_CP_RB_RPTR));
+
+
+ if (len > request + offset)
+ return request;
+ *eof = 1;
+ return len - offset;
+}
+
+static int radeon_interrupt_info(char *buf, char **start, off_t offset,
+ int request, int *eof, void *data)
+{
+ struct drm_minor *minor = (struct drm_minor *) data;
+ struct drm_device *dev = minor->dev;
+ drm_radeon_private_t *dev_priv = dev->dev_private;
+ int len = 0;
+
+ if (offset > DRM_PROC_LIMIT) {
+ *eof = 1;
+ return 0;
+ }
+
+ *start = &buf[offset];
+ *eof = 0;
+ DRM_PROC_PRINT("Interrupt enable: %08x\n",
+ RADEON_READ(RADEON_GEN_INT_CNTL));
+
+ if (dev_priv->chip_family >= CHIP_RS690) {
+ DRM_PROC_PRINT("DxMODE_INT_MASK: %08x\n",
+ RADEON_READ(R500_DxMODE_INT_MASK));
+ }
+ DRM_PROC_PRINT("Interrupts received: %d\n",
+ atomic_read(&dev_priv->irq_received));
+ DRM_PROC_PRINT("Current sequence: %d %d\n",
+ READ_BREADCRUMB(dev_priv), RADEON_READ(RADEON_SCRATCH_REG3));
+ DRM_PROC_PRINT("Counter sequence: %d\n",
+ dev_priv->counter);
+ if (dev_priv->chip_family >= CHIP_R300)
+ DRM_PROC_PRINT("CS: %d\n",
+ GET_SCRATCH(6));
+
+
+ if (len > request + offset)
+ return request;
+ *eof = 1;
+ return len - offset;
+}
+
+static struct drm_proc_list {
+ /** file name */
+ const char *name;
+ /** proc callback*/
+ int (*f) (char *, char **, off_t, int, int *, void *);
+} radeon_gem_proc_list[] = {
+ {"radeon_gem_interrupt", radeon_interrupt_info},
+ {"radeon_gem_ring", radeon_ring_info},
+};
+
+
+#define RADEON_GEM_PROC_ENTRIES ARRAY_SIZE(radeon_gem_proc_list)
+
+int radeon_gem_proc_init(struct drm_minor *minor)
+{
+ struct proc_dir_entry *ent;
+ int i, j;
+
+ for (i = 0; i < RADEON_GEM_PROC_ENTRIES; i++) {
+ ent = create_proc_entry(radeon_gem_proc_list[i].name,
+ S_IFREG | S_IRUGO, minor->dev_root);
+ if (!ent) {
+ DRM_ERROR("Cannot create /proc/dri/.../%s\n",
+ radeon_gem_proc_list[i].name);
+ for (j = 0; j < i; j++)
+ remove_proc_entry(radeon_gem_proc_list[i].name,
+ minor->dev_root);
+ return -1;
+ }
+ ent->read_proc = radeon_gem_proc_list[i].f;
+ ent->data = minor;
+ }
+ return 0;
+}
+
+void radeon_gem_proc_cleanup(struct drm_minor *minor)
+{
+ int i;
+
+ if (!minor->dev_root)
+ return;
+
+ for (i = 0; i < RADEON_GEM_PROC_ENTRIES; i++)
+ remove_proc_entry(radeon_gem_proc_list[i].name, minor->dev_root);
+}