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authorDorian Snyder <dastin1015@gmail.com>2014-06-15 01:24:33 -0700
committerDorian Snyder <dastin1015@gmail.com>2014-08-04 18:46:06 +0000
commitd90b43b963027b4d1559cec14e97117827a6458d (patch)
tree00d1334c383628e7d6f38a4f7ca0c575a4916d91 /drivers/media/video/samsung/mali/linux/mali_ukk_profiling.c
parent89e6992285b4274996b39cd953c0adb5e95a3236 (diff)
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mali: add r3p1 for devices that need it
d710 needs to use old mali drivers due to new ones causing signal to be completely killed Change-Id: I450c356b50e3f3521a63717a1c241e3b818b936f
Diffstat (limited to 'drivers/media/video/samsung/mali/linux/mali_ukk_profiling.c')
-rw-r--r--drivers/media/video/samsung/mali/linux/mali_ukk_profiling.c183
1 files changed, 183 insertions, 0 deletions
diff --git a/drivers/media/video/samsung/mali/linux/mali_ukk_profiling.c b/drivers/media/video/samsung/mali/linux/mali_ukk_profiling.c
new file mode 100644
index 00000000000..f4e31c92723
--- /dev/null
+++ b/drivers/media/video/samsung/mali/linux/mali_ukk_profiling.c
@@ -0,0 +1,183 @@
+/*
+ * Copyright (C) 2010-2012 ARM Limited. All rights reserved.
+ *
+ * This program is free software and is provided to you under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation, and any use by you of this program is subject to the terms of such GNU licence.
+ *
+ * A copy of the licence is included with the program, and can also be obtained from Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+#include <linux/fs.h> /* file system operations */
+#include <asm/uaccess.h> /* user space access */
+#include <linux/slab.h>
+
+#include "mali_ukk.h"
+#include "mali_osk.h"
+#include "mali_kernel_common.h"
+#include "mali_session.h"
+#include "mali_ukk_wrappers.h"
+
+int profiling_start_wrapper(struct mali_session_data *session_data, _mali_uk_profiling_start_s __user *uargs)
+{
+ _mali_uk_profiling_start_s kargs;
+ _mali_osk_errcode_t err;
+
+ MALI_CHECK_NON_NULL(uargs, -EINVAL);
+
+ if (0 != copy_from_user(&kargs, uargs, sizeof(_mali_uk_profiling_start_s)))
+ {
+ return -EFAULT;
+ }
+
+ kargs.ctx = session_data;
+ err = _mali_ukk_profiling_start(&kargs);
+ if (_MALI_OSK_ERR_OK != err)
+ {
+ return map_errcode(err);
+ }
+
+ if (0 != put_user(kargs.limit, &uargs->limit))
+ {
+ return -EFAULT;
+ }
+
+ return 0;
+}
+
+int profiling_add_event_wrapper(struct mali_session_data *session_data, _mali_uk_profiling_add_event_s __user *uargs)
+{
+ _mali_uk_profiling_add_event_s kargs;
+ _mali_osk_errcode_t err;
+
+ MALI_CHECK_NON_NULL(uargs, -EINVAL);
+
+ if (0 != copy_from_user(&kargs, uargs, sizeof(_mali_uk_profiling_add_event_s)))
+ {
+ return -EFAULT;
+ }
+
+ kargs.ctx = session_data;
+ err = _mali_ukk_profiling_add_event(&kargs);
+ if (_MALI_OSK_ERR_OK != err)
+ {
+ return map_errcode(err);
+ }
+
+ return 0;
+}
+
+int profiling_stop_wrapper(struct mali_session_data *session_data, _mali_uk_profiling_stop_s __user *uargs)
+{
+ _mali_uk_profiling_stop_s kargs;
+ _mali_osk_errcode_t err;
+
+ MALI_CHECK_NON_NULL(uargs, -EINVAL);
+
+ kargs.ctx = session_data;
+ err = _mali_ukk_profiling_stop(&kargs);
+ if (_MALI_OSK_ERR_OK != err)
+ {
+ return map_errcode(err);
+ }
+
+ if (0 != put_user(kargs.count, &uargs->count))
+ {
+ return -EFAULT;
+ }
+
+ return 0;
+}
+
+int profiling_get_event_wrapper(struct mali_session_data *session_data, _mali_uk_profiling_get_event_s __user *uargs)
+{
+ _mali_uk_profiling_get_event_s kargs;
+ _mali_osk_errcode_t err;
+
+ MALI_CHECK_NON_NULL(uargs, -EINVAL);
+
+ if (0 != get_user(kargs.index, &uargs->index))
+ {
+ return -EFAULT;
+ }
+
+ kargs.ctx = session_data;
+
+ err = _mali_ukk_profiling_get_event(&kargs);
+ if (_MALI_OSK_ERR_OK != err)
+ {
+ return map_errcode(err);
+ }
+
+ kargs.ctx = NULL; /* prevent kernel address to be returned to user space */
+ if (0 != copy_to_user(uargs, &kargs, sizeof(_mali_uk_profiling_get_event_s)))
+ {
+ return -EFAULT;
+ }
+
+ return 0;
+}
+
+int profiling_clear_wrapper(struct mali_session_data *session_data, _mali_uk_profiling_clear_s __user *uargs)
+{
+ _mali_uk_profiling_clear_s kargs;
+ _mali_osk_errcode_t err;
+
+ MALI_CHECK_NON_NULL(uargs, -EINVAL);
+
+ kargs.ctx = session_data;
+ err = _mali_ukk_profiling_clear(&kargs);
+ if (_MALI_OSK_ERR_OK != err)
+ {
+ return map_errcode(err);
+ }
+
+ return 0;
+}
+
+int profiling_report_sw_counters_wrapper(struct mali_session_data *session_data, _mali_uk_sw_counters_report_s __user *uargs)
+{
+ _mali_uk_sw_counters_report_s kargs;
+ _mali_osk_errcode_t err;
+ u32 *counter_buffer;
+
+ MALI_CHECK_NON_NULL(uargs, -EINVAL);
+
+ if (0 != copy_from_user(&kargs, uargs, sizeof(_mali_uk_sw_counters_report_s)))
+ {
+ return -EFAULT;
+ }
+
+ /* make sure that kargs.num_counters is [at least somewhat] sane */
+ if (kargs.num_counters > 10000) {
+ MALI_DEBUG_PRINT(1, ("User space attempted to allocate too many counters.\n"));
+ return -EINVAL;
+ }
+
+ counter_buffer = (u32*)kmalloc(sizeof(u32) * kargs.num_counters, GFP_KERNEL);
+ if (NULL == counter_buffer)
+ {
+ return -ENOMEM;
+ }
+
+ if (0 != copy_from_user(counter_buffer, kargs.counters, sizeof(u32) * kargs.num_counters))
+ {
+ kfree(counter_buffer);
+ return -EFAULT;
+ }
+
+ kargs.ctx = session_data;
+ kargs.counters = counter_buffer;
+
+ err = _mali_ukk_sw_counters_report(&kargs);
+
+ kfree(counter_buffer);
+
+ if (_MALI_OSK_ERR_OK != err)
+ {
+ return map_errcode(err);
+ }
+
+ return 0;
+}
+
+