MALI: utgard: upgrade DDK to r6p1-01rel0

[firefly-linux-kernel-4.4.55.git] / drivers / gpu / arm / mali400 / mali / linux / mali_memory_block_alloc.h

diff --git a/drivers/gpu/arm/mali400/mali/linux/mali_memory_block_alloc.h b/drivers/gpu/arm/mali400/mali/linux/mali_memory_block_alloc.h
index c0d412dc8010da2cb9cf6a6bcdc49faa0f1b693e..3e11ef25888e35ccbf2de014a2d5875b245536e8 100755 (executable)
--- a/drivers/gpu/arm/mali400/mali/linux/mali_memory_block_alloc.h
+++ b/drivers/gpu/arm/mali400/mali/linux/mali_memory_block_alloc.h
@@ -1,11 +1,11 @@
 /*
- * This confidential and proprietary software may be used only as
- * authorised by a licensing agreement from ARM Limited
- * (C) COPYRIGHT 2008-2010, 2013 ARM Limited
- * ALL RIGHTS RESERVED
- * The entire notice above must be reproduced on all authorised
- * copies and copies may only be made to the extent permitted
- * by a licensing agreement from ARM Limited.
+ * Copyright (C) 2010, 2013, 2015-2016 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.
  */
 
 #ifndef __MALI_BLOCK_ALLOCATOR_H__
@@ -13,17 +13,46 @@
 
 #include "mali_session.h"
 #include "mali_memory.h"
+#include <linux/spinlock.h>
 
 #include "mali_memory_types.h"
 
-typedef struct mali_mem_allocator mali_mem_allocator;
-
-mali_mem_allocator *mali_block_allocator_create(u32 base_address, u32 cpu_usage_adjust, u32 size);
-void mali_mem_block_allocator_destroy(mali_mem_allocator *allocator);
-
-mali_mem_allocation *mali_mem_block_alloc(u32 mali_addr, u32 size, struct vm_area_struct *vma, struct mali_session_data *session);
-void mali_mem_block_release(mali_mem_allocation *descriptor);
-
+#define MALI_BLOCK_SIZE (PAGE_SIZE)  /* 4 kB, manage BLOCK memory as page size */
+#define MALI_BLOCK_REF_MASK (0xFFF)
+#define MALI_BLOCK_MAX_REF_COUNT (0xFFF)
+
+
+
+typedef struct mali_block_allocator {
+       /*
+       * In free list, each node's ref_count is 0,
+       * ref_count added when allocated or referenced in COW
+       */
+       mali_block_item *items; /* information for each block item*/
+       struct list_head free; /*free list of mali_memory_node*/
+       spinlock_t sp_lock; /*lock for reference count & free list opertion*/
+       u32 total_num; /* Number of total pages*/
+       atomic_t free_num; /*number of free pages*/
+} mali_block_allocator;
+
+unsigned long _mali_blk_item_get_phy_addr(mali_block_item *item);
+unsigned long _mali_blk_item_get_pfn(mali_block_item *item);
+u32 mali_mem_block_get_ref_count(mali_page_node *node);
+u32 mali_mem_block_add_ref(mali_page_node *node);
+u32 mali_mem_block_dec_ref(mali_page_node *node);
+u32 mali_mem_block_release(mali_mem_backend *mem_bkend);
+int mali_mem_block_alloc(mali_mem_block_mem *block_mem, u32 size);
+int mali_mem_block_mali_map(mali_mem_block_mem *block_mem, struct mali_session_data *session, u32 vaddr, u32 props);
+void mali_mem_block_mali_unmap(mali_mem_allocation *alloc);
+
+int mali_mem_block_cpu_map(mali_mem_backend *mem_bkend, struct vm_area_struct *vma);
+_mali_osk_errcode_t mali_memory_core_resource_dedicated_memory(u32 start, u32 size);
+mali_bool mali_memory_have_dedicated_memory(void);
+u32 mali_mem_block_free(mali_mem_block_mem *block_mem);
+u32 mali_mem_block_free_list(struct list_head *list);
+void mali_mem_block_free_node(struct mali_page_node *node);
+void mali_mem_block_allocator_destroy(void);
+_mali_osk_errcode_t mali_mem_block_unref_node(struct mali_page_node *node);
 u32 mali_mem_block_allocator_stat(void);
 
 #endif /* __MALI_BLOCK_ALLOCATOR_H__ */