aboutsummaryrefslogtreecommitdiff
path: root/drivers/gpu/arm/midgard/mali_kbase_mem_linux.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/arm/midgard/mali_kbase_mem_linux.h')
-rwxr-xr-xdrivers/gpu/arm/midgard/mali_kbase_mem_linux.h67
1 files changed, 67 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 00000000000..e7482a5cd45
--- /dev/null
+++ b/drivers/gpu/arm/midgard/mali_kbase_mem_linux.h
@@ -0,0 +1,67 @@
+/*
+ *
+ * (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_
+
+/* This define is used by the gator kernel module compile to select which DDK
+ * API calling convention to use. If not defined (legacy DDK) gator assumes
+ * version 1. The version to DDK release mapping is:
+ * Version 1 API: DDK versions r1px, r2px
+ * Version 2 API: DDK versions r3px and newer
+ **/
+#define MALI_DDK_GATOR_API_VERSION 2
+
+/** 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(kbase_context * kctx, u64 va_pages, u64 commit_pages, u64 extent, u64 * flags, u64 * gpu_va, u16 * va_alignment);
+mali_error kbase_mem_query(kbase_context *kctx, mali_addr64 gpu_addr, int query, u64 * const pages);
+int kbase_mem_import(kbase_context *kctx, base_mem_import_type type, int handle, mali_addr64 * gpu_va, u64 * va_pages, u64 * flags);
+u64 kbase_mem_alias(kbase_context *kctx, u64* flags, u64 stride, u64 nents, struct base_mem_aliasing_info* ai, u64 * num_pages);
+mali_error kbase_mem_flags_change(kbase_context *kctx, mali_addr64 gpu_addr, unsigned int flags, unsigned int mask);
+int kbase_mem_commit(kbase_context * kctx, mali_addr64 gpu_addr, u64 new_pages, base_backing_threshold_status * failure_reason);
+int kbase_mmap(struct file *file, struct vm_area_struct *vma);
+
+/** @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(kbase_context *kctx, u32 size, 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(kbase_context *kctx, kbase_hwc_dma_mapping *handle);
+
+#endif /* _KBASE_MEM_LINUX_H_ */