1 files changed, 83 insertions, 0 deletions
diff --git a/bifrost/r25p0/kernel/drivers/gpu/arm/midgard/backend/gpu/mali_kbase_jm_rb.h b/bifrost/r25p0/kernel/drivers/gpu/arm/midgard/backend/gpu/mali_kbase_jm_rb.h
new file mode 100644
index 0000000..c3b9f2d
--- /dev/null
+++ b/bifrost/r25p0/kernel/drivers/gpu/arm/midgard/backend/gpu/mali_kbase_jm_rb.h
@@ -0,0 +1,83 @@
+/*
+ *
+ * (C) COPYRIGHT 2014-2018 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, you can access it online at
+ * http://www.gnu.org/licenses/gpl-2.0.html.
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ *
+ */
+
+
+/*
+ * Register-based HW access backend specific APIs
+ */
+
+#ifndef _KBASE_HWACCESS_GPU_H_
+#define _KBASE_HWACCESS_GPU_H_
+
+#include <backend/gpu/mali_kbase_pm_internal.h>
+
+/**
+ * kbase_gpu_irq_evict - Evict an atom from a NEXT slot
+ *
+ * @kbdev:           Device pointer
+ * @js:              Job slot to evict from
+ * @completion_code: Event code from job that was run.
+ *
+ * Evict the atom in the NEXT slot for the specified job slot. This function is
+ * called from the job complete IRQ handler when the previous job has failed.
+ *
+ * Return: true if job evicted from NEXT registers, false otherwise
+ */
+bool kbase_gpu_irq_evict(struct kbase_device *kbdev, int js,
+				u32 completion_code);
+
+/**
+ * kbase_gpu_complete_hw - Complete an atom on job slot js
+ *
+ * @kbdev:           Device pointer
+ * @js:              Job slot that has completed
+ * @completion_code: Event code from job that has completed
+ * @job_tail:        The tail address from the hardware if the job has partially
+ *                   completed
+ * @end_timestamp:   Time of completion
+ */
+void kbase_gpu_complete_hw(struct kbase_device *kbdev, int js,
+				u32 completion_code,
+				u64 job_tail,
+				ktime_t *end_timestamp);
+
+/**
+ * kbase_gpu_inspect - Inspect the contents of the HW access ringbuffer
+ *
+ * @kbdev:  Device pointer
+ * @js:     Job slot to inspect
+ * @idx:    Index into ringbuffer. 0 is the job currently running on
+ *          the slot, 1 is the job waiting, all other values are invalid.
+ * Return:  The atom at that position in the ringbuffer
+ *          or NULL if no atom present
+ */
+struct kbase_jd_atom *kbase_gpu_inspect(struct kbase_device *kbdev, int js,
+					int idx);
+
+/**
+ * kbase_gpu_dump_slots - Print the contents of the slot ringbuffers
+ *
+ * @kbdev:  Device pointer
+ */
+void kbase_gpu_dump_slots(struct kbase_device *kbdev);
+
+#endif /* _KBASE_HWACCESS_GPU_H_ */