1 files changed, 71 insertions, 0 deletions
diff --git a/drivers/gpu/arm/midgard/mali_kbase_mem_linux.h b/drivers/gpu/arm/midgard/mali_kbase_mem_linux.h
new file mode 100755
index 000000000000..6bd1d0d86d06
--- /dev/null
+++ b/drivers/gpu/arm/midgard/mali_kbase_mem_linux.h
@@ -0,0 +1,71 @@
+/*
+ *
+ * (C) COPYRIGHT 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.
+ *
+ */
+
+
+
+
+
+/**
+ * @file mali_kbase_mem_linux.h
+ * Base kernel memory APIs, Linux implementation.
+ */
+
+#ifndef _KBASE_MEM_LINUX_H_
+#define _KBASE_MEM_LINUX_H_
+
+/** A HWC dump mapping */
+typedef struct kbase_hwc_dma_mapping {
+	void       *cpu_va;
+	dma_addr_t  dma_pa;
+	size_t      size;
+} kbase_hwc_dma_mapping;
+
+struct kbase_va_region * kbase_mem_alloc(struct kbase_context * kctx, u64 va_pages, u64 commit_pages, u64 extent, u64 * flags, u64 * gpu_va, u16 * va_alignment);
+mali_error kbase_mem_query(struct kbase_context *kctx, mali_addr64 gpu_addr, int query, u64 * const pages);
+int kbase_mem_import(struct kbase_context *kctx, enum base_mem_import_type type, int handle, mali_addr64 * gpu_va, u64 * va_pages, u64 * flags);
+u64 kbase_mem_alias(struct kbase_context *kctx, u64* flags, u64 stride, u64 nents, struct base_mem_aliasing_info* ai, u64 * num_pages);
+mali_error kbase_mem_flags_change(struct kbase_context *kctx, mali_addr64 gpu_addr, unsigned int flags, unsigned int mask);
+int kbase_mem_commit(struct kbase_context * kctx, mali_addr64 gpu_addr, u64 new_pages, enum base_backing_threshold_status * failure_reason);
+int kbase_mmap(struct file *file, struct vm_area_struct *vma);
+
+struct kbase_vmap_struct {
+	mali_addr64 gpu_addr;
+	struct kbase_mem_phy_alloc *alloc;
+	phys_addr_t *pages;
+	void *addr;
+	size_t size;
+	bool is_cached;
+};
+void *kbase_vmap(struct kbase_context *kctx, mali_addr64 gpu_addr, size_t size,
+		struct kbase_vmap_struct *map);
+void kbase_vunmap(struct kbase_context *kctx, struct kbase_vmap_struct *map);
+
+/** @brief Allocate memory from kernel space and map it onto the GPU
+ *
+ * @param kctx   The context used for the allocation/mapping
+ * @param size   The size of the allocation in bytes
+ * @param handle An opaque structure used to contain the state needed to free the memory
+ * @return the VA for kernel space and GPU MMU
+ */
+void *kbase_va_alloc(struct kbase_context *kctx, u32 size, struct kbase_hwc_dma_mapping *handle);
+
+/** @brief Free/unmap memory allocated by kbase_va_alloc
+ *
+ * @param kctx   The context used for the allocation/mapping
+ * @param handle An opaque structure returned by the kbase_va_alloc function.
+ */
+void kbase_va_free(struct kbase_context *kctx, struct kbase_hwc_dma_mapping *handle);
+
+#endif				/* _KBASE_MEM_LINUX_H_ */