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-rw-r--r--ANDROID_3.4.5/drivers/gpu/ion/ion_priv.h257
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diff --git a/ANDROID_3.4.5/drivers/gpu/ion/ion_priv.h b/ANDROID_3.4.5/drivers/gpu/ion/ion_priv.h
deleted file mode 100644
index 21c19630..00000000
--- a/ANDROID_3.4.5/drivers/gpu/ion/ion_priv.h
+++ /dev/null
@@ -1,257 +0,0 @@
-/*
- * drivers/gpu/ion/ion_priv.h
- *
- * Copyright (C) 2011 Google, Inc.
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * 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.
- *
- */
-
-#ifndef _ION_PRIV_H
-#define _ION_PRIV_H
-
-#include <linux/ion.h>
-#include <linux/kref.h>
-#include <linux/mm_types.h>
-#include <linux/mutex.h>
-#include <linux/rbtree.h>
-#include <linux/sched.h>
-#include <linux/shrinker.h>
-#include <linux/types.h>
-
-struct ion_buffer *ion_handle_buffer(struct ion_handle *handle);
-
-/**
- * struct ion_buffer - metadata for a particular buffer
- * @ref: refernce count
- * @node: node in the ion_device buffers tree
- * @dev: back pointer to the ion_device
- * @heap: back pointer to the heap the buffer came from
- * @flags: buffer specific flags
- * @size: size of the buffer
- * @priv_virt: private data to the buffer representable as
- * a void *
- * @priv_phys: private data to the buffer representable as
- * an ion_phys_addr_t (and someday a phys_addr_t)
- * @lock: protects the buffers cnt fields
- * @kmap_cnt: number of times the buffer is mapped to the kernel
- * @vaddr: the kenrel mapping if kmap_cnt is not zero
- * @dmap_cnt: number of times the buffer is mapped for dma
- * @sg_table: the sg table for the buffer if dmap_cnt is not zero
- * @dirty: bitmask representing which pages of this buffer have
- * been dirtied by the cpu and need cache maintenance
- * before dma
- * @vmas: list of vma's mapping this buffer
- * @handle_count: count of handles referencing this buffer
- * @task_comm: taskcomm of last client to reference this buffer in a
- * handle, used for debugging
- * @pid: pid of last client to reference this buffer in a
- * handle, used for debugging
-*/
-struct ion_buffer {
- struct kref ref;
- struct rb_node node;
- struct ion_device *dev;
- struct ion_heap *heap;
- unsigned long flags;
- size_t size;
- union {
- void *priv_virt;
- ion_phys_addr_t priv_phys;
- };
- struct mutex lock;
- int kmap_cnt;
- void *vaddr;
- int dmap_cnt;
- struct sg_table *sg_table;
- unsigned long *dirty;
- struct list_head vmas;
- /* used to track orphaned buffers */
- int handle_count;
- char task_comm[TASK_COMM_LEN];
- pid_t pid;
-};
-
-/**
- * struct ion_heap_ops - ops to operate on a given heap
- * @allocate: allocate memory
- * @free: free memory
- * @phys get physical address of a buffer (only define on
- * physically contiguous heaps)
- * @map_dma map the memory for dma to a scatterlist
- * @unmap_dma unmap the memory for dma
- * @map_kernel map memory to the kernel
- * @unmap_kernel unmap memory to the kernel
- * @map_user map memory to userspace
- */
-struct ion_heap_ops {
- int (*allocate) (struct ion_heap *heap,
- struct ion_buffer *buffer, unsigned long len,
- unsigned long align, unsigned long flags);
- void (*free) (struct ion_buffer *buffer);
- int (*phys) (struct ion_heap *heap, struct ion_buffer *buffer,
- ion_phys_addr_t *addr, size_t *len);
- struct sg_table *(*map_dma) (struct ion_heap *heap,
- struct ion_buffer *buffer);
- void (*unmap_dma) (struct ion_heap *heap, struct ion_buffer *buffer);
- void * (*map_kernel) (struct ion_heap *heap, struct ion_buffer *buffer);
- void (*unmap_kernel) (struct ion_heap *heap, struct ion_buffer *buffer);
- int (*map_user) (struct ion_heap *mapper, struct ion_buffer *buffer,
- struct vm_area_struct *vma);
-};
-
-/**
- * struct ion_heap - represents a heap in the system
- * @node: rb node to put the heap on the device's tree of heaps
- * @dev: back pointer to the ion_device
- * @type: type of heap
- * @ops: ops struct as above
- * @id: id of heap, also indicates priority of this heap when
- * allocating. These are specified by platform data and
- * MUST be unique
- * @name: used for debugging
- * @debug_show: called when heap debug file is read to add any
- * heap specific debug info to output
- *
- * Represents a pool of memory from which buffers can be made. In some
- * systems the only heap is regular system memory allocated via vmalloc.
- * On others, some blocks might require large physically contiguous buffers
- * that are allocated from a specially reserved heap.
- */
-struct ion_heap {
- struct rb_node node;
- struct ion_device *dev;
- enum ion_heap_type type;
- struct ion_heap_ops *ops;
- int id;
- const char *name;
- int (*debug_show)(struct ion_heap *heap, struct seq_file *, void *);
-};
-
-/**
- * ion_buffer_cached - this ion buffer is cached
- * @buffer: buffer
- *
- * indicates whether this ion buffer is cached
- */
-bool ion_buffer_cached(struct ion_buffer *buffer);
-
-/**
- * ion_buffer_fault_user_mappings - fault in user mappings of this buffer
- * @buffer: buffer
- *
- * indicates whether userspace mappings of this buffer will be faulted
- * in, this can affect how buffers are allocated from the heap.
- */
-bool ion_buffer_fault_user_mappings(struct ion_buffer *buffer);
-
-/**
- * ion_device_create - allocates and returns an ion device
- * @custom_ioctl: arch specific ioctl function if applicable
- *
- * returns a valid device or -PTR_ERR
- */
-struct ion_device *ion_device_create(long (*custom_ioctl)
- (struct ion_client *client,
- unsigned int cmd,
- unsigned long arg));
-
-/**
- * ion_device_destroy - free and device and it's resource
- * @dev: the device
- */
-void ion_device_destroy(struct ion_device *dev);
-
-/**
- * ion_device_add_heap - adds a heap to the ion device
- * @dev: the device
- * @heap: the heap to add
- */
-void ion_device_add_heap(struct ion_device *dev, struct ion_heap *heap);
-
-/**
- * functions for creating and destroying the built in ion heaps.
- * architectures can add their own custom architecture specific
- * heaps as appropriate.
- */
-
-struct ion_heap *ion_heap_create(struct ion_platform_heap *);
-void ion_heap_destroy(struct ion_heap *);
-
-struct ion_heap *ion_system_heap_create(struct ion_platform_heap *);
-void ion_system_heap_destroy(struct ion_heap *);
-
-struct ion_heap *ion_system_contig_heap_create(struct ion_platform_heap *);
-void ion_system_contig_heap_destroy(struct ion_heap *);
-
-struct ion_heap *ion_carveout_heap_create(struct ion_platform_heap *);
-void ion_carveout_heap_destroy(struct ion_heap *);
-/**
- * kernel api to allocate/free from carveout -- used when carveout is
- * used to back an architecture specific custom heap
- */
-ion_phys_addr_t ion_carveout_allocate(struct ion_heap *heap, unsigned long size,
- unsigned long align);
-void ion_carveout_free(struct ion_heap *heap, ion_phys_addr_t addr,
- unsigned long size);
-/**
- * The carveout heap returns physical addresses, since 0 may be a valid
- * physical address, this is used to indicate allocation failed
- */
-#define ION_CARVEOUT_ALLOCATE_FAIL -1
-
-/**
- * functions for creating and destroying a heap pool -- allows you
- * to keep a pool of pre allocated memory to use from your heap. Keeping
- * a pool of memory that is ready for dma, ie any cached mapping have been
- * invalidated from the cache, provides a significant peformance benefit on
- * many systems */
-
-/**
- * struct ion_page_pool - pagepool struct
- * @high_count: number of highmem items in the pool
- * @low_count: number of lowmem items in the pool
- * @high_items: list of highmem items
- * @low_items: list of lowmem items
- * @shrinker: a shrinker for the items
- * @mutex: lock protecting this struct and especially the count
- * item list
- * @alloc: function to be used to allocate pageory when the pool
- * is empty
- * @free: function to be used to free pageory back to the system
- * when the shrinker fires
- * @gfp_mask: gfp_mask to use from alloc
- * @order: order of pages in the pool
- * @list: plist node for list of pools
- *
- * Allows you to keep a pool of pre allocated pages to use from your heap.
- * Keeping a pool of pages that is ready for dma, ie any cached mapping have
- * been invalidated from the cache, provides a significant peformance benefit
- * on many systems
- */
-struct ion_page_pool {
- int high_count;
- int low_count;
- struct list_head high_items;
- struct list_head low_items;
- struct mutex mutex;
- void *(*alloc)(struct ion_page_pool *pool);
- void (*free)(struct ion_page_pool *pool, struct page *page);
- gfp_t gfp_mask;
- unsigned int order;
- struct plist_node list;
-};
-
-struct ion_page_pool *ion_page_pool_create(gfp_t gfp_mask, unsigned int order);
-void ion_page_pool_destroy(struct ion_page_pool *);
-void *ion_page_pool_alloc(struct ion_page_pool *);
-void ion_page_pool_free(struct ion_page_pool *, struct page *);
-
-#endif /* _ION_PRIV_H */