1 files changed, 123 insertions, 0 deletions
diff --git a/driver/product/kernel/drivers/gpu/arm/midgard/backend/gpu/mali_kbase_gpu.c b/driver/product/kernel/drivers/gpu/arm/midgard/backend/gpu/mali_kbase_gpu.c
new file mode 100755
index 0000000..d578fd7
--- /dev/null
+++ b/driver/product/kernel/drivers/gpu/arm/midgard/backend/gpu/mali_kbase_gpu.c
@@ -0,0 +1,123 @@
+/*
+ *
+ * (C) COPYRIGHT 2014-2016 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.
+ *
+ */
+
+
+
+
+/*
+ * Register-based HW access backend APIs
+ */
+#include <mali_kbase.h>
+#include <mali_kbase_hwaccess_backend.h>
+#include <backend/gpu/mali_kbase_irq_internal.h>
+#include <backend/gpu/mali_kbase_jm_internal.h>
+#include <backend/gpu/mali_kbase_js_internal.h>
+#include <backend/gpu/mali_kbase_pm_internal.h>
+
+int kbase_backend_early_init(struct kbase_device *kbdev)
+{
+	int err;
+
+	err = kbasep_platform_device_init(kbdev);
+	if (err)
+		return err;
+
+	/* Ensure we can access the GPU registers */
+	kbase_pm_register_access_enable(kbdev);
+
+	/* Find out GPU properties based on the GPU feature registers */
+	kbase_gpuprops_set(kbdev);
+
+	/* We're done accessing the GPU registers for now. */
+	kbase_pm_register_access_disable(kbdev);
+
+	err = kbase_hwaccess_pm_init(kbdev);
+	if (err)
+		goto fail_pm;
+
+	err = kbase_install_interrupts(kbdev);
+	if (err)
+		goto fail_interrupts;
+
+	return 0;
+
+fail_interrupts:
+	kbase_hwaccess_pm_term(kbdev);
+fail_pm:
+	kbasep_platform_device_term(kbdev);
+
+	return err;
+}
+
+void kbase_backend_early_term(struct kbase_device *kbdev)
+{
+	kbase_release_interrupts(kbdev);
+	kbase_hwaccess_pm_term(kbdev);
+	kbasep_platform_device_term(kbdev);
+}
+
+int kbase_backend_late_init(struct kbase_device *kbdev)
+{
+	int err;
+
+	err = kbase_hwaccess_pm_powerup(kbdev, PM_HW_ISSUES_DETECT);
+	if (err)
+		return err;
+
+	err = kbase_backend_timer_init(kbdev);
+	if (err)
+		goto fail_timer;
+
+#ifdef CONFIG_MALI_DEBUG
+#ifndef CONFIG_MALI_NO_MALI
+	if (kbasep_common_test_interrupt_handlers(kbdev) != 0) {
+		dev_err(kbdev->dev, "Interrupt assigment check failed.\n");
+		err = -EINVAL;
+		goto fail_interrupt_test;
+	}
+#endif /* !CONFIG_MALI_NO_MALI */
+#endif /* CONFIG_MALI_DEBUG */
+
+	err = kbase_job_slot_init(kbdev);
+	if (err)
+		goto fail_job_slot;
+
+	init_waitqueue_head(&kbdev->hwaccess.backend.reset_wait);
+
+	return 0;
+
+fail_job_slot:
+
+#ifdef CONFIG_MALI_DEBUG
+#ifndef CONFIG_MALI_NO_MALI
+fail_interrupt_test:
+#endif /* !CONFIG_MALI_NO_MALI */
+#endif /* CONFIG_MALI_DEBUG */
+
+	kbase_backend_timer_term(kbdev);
+fail_timer:
+	kbase_hwaccess_pm_halt(kbdev);
+
+	return err;
+}
+
+void kbase_backend_late_term(struct kbase_device *kbdev)
+{
+	kbase_job_slot_halt(kbdev);
+	kbase_job_slot_term(kbdev);
+	kbase_backend_timer_term(kbdev);
+	kbase_hwaccess_pm_halt(kbdev);
+}
+