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Commit e458191f authored by Jens Kuske's avatar Jens Kuske
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Update ION headers to support AArch64 

These headers are from 3.10, but are compatible with 3.4 too.
parent 85cbc027
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cedrus_mem_ion.c
View file @ e458191f
......@@ -31,7 +31,7 @@ struct ion_mem
{
struct cedrus_mem pub;
struct ion_handle *handle;
ion_user_handle_t handle;
int fd;
};
......@@ -42,22 +42,22 @@ struct ion_allocator
int fd;
};
static struct ion_handle *ion_alloc(int ion_fd, size_t size)
static ion_user_handle_t ion_alloc(int ion_fd, size_t size)
{
struct ion_allocation_data allocation_data = {
.len = size,
.align = 4096,
.heap_id_mask = ION_HEAP_TYPE_DMA,
.heap_id_mask = ION_HEAP_TYPE_DMA_MASK,
.flags = ION_FLAG_CACHED | ION_FLAG_CACHED_NEEDS_SYNC,
};
if (ioctl(ion_fd, ION_IOC_ALLOC, &allocation_data))
return NULL;
return 0;
return allocation_data.handle;
}
static int ion_map(int ion_fd, struct ion_handle *ion_handle)
static int ion_map(int ion_fd, ion_user_handle_t ion_handle)
{
struct ion_fd_data fd_data = {
.handle = ion_handle,
......@@ -69,7 +69,7 @@ static int ion_map(int ion_fd, struct ion_handle *ion_handle)
return fd_data.fd;
}
static uint32_t ion_get_phys_addr(int ion_fd, struct ion_handle *ion_handle)
static uint32_t ion_get_phys_addr(int ion_fd, ion_user_handle_t ion_handle)
{
sunxi_phys_data phys_data = {
.handle = ion_handle,
......@@ -104,7 +104,7 @@ static int ion_flush_cache(int ion_fd, void *addr, size_t size)
return 1;
}
static int ion_free(int ion_fd, struct ion_handle *ion_handle)
static int ion_free(int ion_fd, ion_user_handle_t ion_handle)
{
struct ion_handle_data handle_data = {
.handle = ion_handle,
......
kernel-headers/ion.h
View file @ e458191f
/*
* include/linux/ion.h
* drivers/staging/android/uapi/ion.h
*
* Copyright (C) 2011 Google, Inc.
*
......@@ -14,13 +14,14 @@
*
*/
#ifndef _LINUX_ION_H
#define _LINUX_ION_H
#ifndef _UAPI_LINUX_ION_H
#define _UAPI_LINUX_ION_H
#include <stdlib.h>
#include <linux/ioctl.h>
#include <linux/types.h>
struct ion_handle;
typedef int ion_user_handle_t;
/**
* enum ion_heap_types - list of all possible types of heaps
* @ION_HEAP_TYPE_SYSTEM: memory allocated via vmalloc
......@@ -63,188 +64,6 @@ enum ion_heap_type {
at mmap time, if this is set
caches must be managed manually */
#ifdef __KERNEL__
struct ion_device;
struct ion_heap;
struct ion_mapper;
struct ion_client;
struct ion_buffer;
/* This should be removed some day when phys_addr_t's are fully
plumbed in the kernel, and all instances of ion_phys_addr_t should
be converted to phys_addr_t. For the time being many kernel interfaces
do not accept phys_addr_t's that would have to */
#define ion_phys_addr_t unsigned long
/**
* struct ion_platform_heap - defines a heap in the given platform
* @type: type of the heap from ion_heap_type enum
* @id: unique identifier for heap. When allocating higher numbers
* will be allocated from first. At allocation these are passed
* as a bit mask and therefore can not exceed ION_NUM_HEAP_IDS.
* @name: used for debug purposes
* @base: base address of heap in physical memory if applicable
* @size: size of the heap in bytes if applicable
* @align: required alignment in physical memory if applicable
* @priv: private info passed from the board file
*
* Provided by the board file.
*/
struct ion_platform_heap {
enum ion_heap_type type;
unsigned int id;
const char *name;
ion_phys_addr_t base;
size_t size;
ion_phys_addr_t align;
void *priv;
};
/**
* struct ion_platform_data - array of platform heaps passed from board file
* @nr: number of structures in the array
* @heaps: array of platform_heap structions
*
* Provided by the board file in the form of platform data to a platform device.
*/
struct ion_platform_data {
int nr;
struct ion_platform_heap heaps[];
};
/**
* ion_reserve() - reserve memory for ion heaps if applicable
* @data: platform data specifying starting physical address and
* size
*
* Calls memblock reserve to set aside memory for heaps that are
* located at specific memory addresses or of specfic sizes not
* managed by the kernel
*/
void ion_reserve(struct ion_platform_data *data);
/**
* ion_client_create() - allocate a client and returns it
* @dev: the global ion device
* @heap_type_mask: mask of heaps this client can allocate from
* @name: used for debugging
*/
struct ion_client *ion_client_create(struct ion_device *dev,
const char *name);
/**
* ion_client_destroy() - free's a client and all it's handles
* @client: the client
*
* Free the provided client and all it's resources including
* any handles it is holding.
*/
void ion_client_destroy(struct ion_client *client);
/**
* ion_alloc - allocate ion memory
* @client: the client
* @len: size of the allocation
* @align: requested allocation alignment, lots of hardware blocks
* have alignment requirements of some kind
* @heap_id_mask: mask of heaps to allocate from, if multiple bits are set
* heaps will be tried in order from highest to lowest
* id
* @flags: heap flags, the low 16 bits are consumed by ion, the
* high 16 bits are passed on to the respective heap and
* can be heap custom
*
* Allocate memory in one of the heaps provided in heap mask and return
* an opaque handle to it.
*/
struct ion_handle *ion_alloc(struct ion_client *client, size_t len,
size_t align, unsigned int heap_id_mask,
unsigned int flags);
/**
* ion_free - free a handle
* @client: the client
* @handle: the handle to free
*
* Free the provided handle.
*/
void ion_free(struct ion_client *client, struct ion_handle *handle);
/**
* ion_phys - returns the physical address and len of a handle
* @client: the client
* @handle: the handle
* @addr: a pointer to put the address in
* @len: a pointer to put the length in
*
* This function queries the heap for a particular handle to get the
* handle's physical address. It't output is only correct if
* a heap returns physically contiguous memory -- in other cases
* this api should not be implemented -- ion_sg_table should be used
* instead. Returns -EINVAL if the handle is invalid. This has
* no implications on the reference counting of the handle --
* the returned value may not be valid if the caller is not
* holding a reference.
*/
int ion_phys(struct ion_client *client, struct ion_handle *handle,
ion_phys_addr_t *addr, size_t *len);
/**
* ion_map_dma - return an sg_table describing a handle
* @client: the client
* @handle: the handle
*
* This function returns the sg_table describing
* a particular ion handle.
*/
struct sg_table *ion_sg_table(struct ion_client *client,
struct ion_handle *handle);
/**
* ion_map_kernel - create mapping for the given handle
* @client: the client
* @handle: handle to map
*
* Map the given handle into the kernel and return a kernel address that
* can be used to access this address.
*/
void *ion_map_kernel(struct ion_client *client, struct ion_handle *handle);
/**
* ion_unmap_kernel() - destroy a kernel mapping for a handle
* @client: the client
* @handle: handle to unmap
*/
void ion_unmap_kernel(struct ion_client *client, struct ion_handle *handle);
/**
* ion_share_dma_buf() - share buffer as dma-buf
* @client: the client
* @handle: the handle
*/
struct dma_buf *ion_share_dma_buf(struct ion_client *client,
struct ion_handle *handle);
/**
* ion_share_dma_buf_fd() - given an ion client, create a dma-buf fd
* @client: the client
* @handle: the handle
*/
int ion_share_dma_buf_fd(struct ion_client *client, struct ion_handle *handle);
/**
* ion_import_dma_buf() - given an dma-buf fd from the ion exporter get handle
* @client: the client
* @fd: the dma-buf fd
*
* Given an dma-buf fd that was allocated through ion via ion_share_dma_buf,
* import that fd and return a handle representing it. If a dma-buf from
* another exporter is passed in this function will return ERR_PTR(-EINVAL)
*/
struct ion_handle *ion_import_dma_buf(struct ion_client *client, int fd);
#endif /* __KERNEL__ */
/**
* DOC: Ion Userspace API
*
......@@ -269,7 +88,7 @@ struct ion_allocation_data {
size_t align;
unsigned int heap_id_mask;
unsigned int flags;
struct ion_handle *handle;
ion_user_handle_t handle;
};
/**
......@@ -283,7 +102,7 @@ struct ion_allocation_data {
* provides the file descriptor and the kernel returns the handle.
*/
struct ion_fd_data {
struct ion_handle *handle;
ion_user_handle_t handle;
int fd;
};
......@@ -292,7 +111,7 @@ struct ion_fd_data {
* @handle: a handle
*/
struct ion_handle_data {
struct ion_handle *handle;
ion_user_handle_t handle;
};
/**
......@@ -374,4 +193,4 @@ struct ion_custom_data {
*/
#define ION_IOC_CUSTOM _IOWR(ION_IOC_MAGIC, 6, struct ion_custom_data)
#endif /* _LINUX_ION_H */
#endif /* _UAPI_LINUX_ION_H */
kernel-headers/ion_sunxi.h
View file @ e458191f
......@@ -17,92 +17,21 @@
#ifndef __ION_SUNXI_H
#define __ION_SUNXI_H
#define ION_HEAP_TYPE_SUNXI_START (ION_HEAP_TYPE_CUSTOM + 1)
#define ION_HEAP_TYPE_SECURE (ION_HEAP_TYPE_SUNXI_START)
typedef struct {
long start;
long end;
}sunxi_cache_range;
typedef struct {
void *handle;
unsigned long phys_addr;
unsigned long size;
}sunxi_phys_data;
#define DMA_BUF_MAXCNT 8
typedef struct {
unsigned int src_va;
unsigned int src_pa;
unsigned int dst_va;
unsigned int dst_pa;
ion_user_handle_t handle;
unsigned int phys_addr;
unsigned int size;
}dma_buf_item;
typedef struct {
int multi_dma;
unsigned int cnt;
dma_buf_item item[DMA_BUF_MAXCNT];
}dma_buf_group;
}sunxi_phys_data;
#define ION_IOC_SUNXI_FLUSH_RANGE 5
#define ION_IOC_SUNXI_FLUSH_ALL 6
#define ION_IOC_SUNXI_PHYS_ADDR 7
#define ION_IOC_SUNXI_DMA_COPY 8
#define ION_IOC_SUNXI_DUMP 9
#ifdef __KERNEL__
int flush_clean_user_range(long start, long end);
int flush_user_range(long start, long end);
void flush_dcache_all(void);
/**
* sunxi_buf_alloc - alloc phys contigous memory in SUNXI platform.
* @size: size in bytes to allocate.
* @paddr: store the start phys address allocated.
*
* return the start virtual address, or 0 if failed.
*/
void *sunxi_buf_alloc(unsigned int size, unsigned int *paddr);
/**
* sunxi_buf_free - free buffer allocated by sunxi_buf_alloc.
* @vaddr: the kernel virt addr of the area.
* @paddr: the start phys addr of the area.
* @size: size in bytes of the area.
*/
void sunxi_buf_free(void *vaddr, unsigned int paddr, unsigned int size);
/**
* sunxi_alloc_phys - alloc phys contigous memory in SUNXI platform.
* @size: size in bytes to allocate.
*
* return the start phys addr, or 0 if failed.
*/
u32 sunxi_alloc_phys(size_t size);
/**
* sunxi_free_phys - free phys contigous memory allocted by sunxi_alloc_phys.
* @paddr: the start phys addr of the area.
* @size: size in bytes of the area.
*/
void sunxi_free_phys(u32 paddr, size_t size);
/**
* sunxi_map_kernel - map phys contigous memory to kernel virtual space.
* @paddr: the start phys addr of the area.
* @size: size in bytes of the area.
*
* return the start virt addr which is in vmalloc space, or NULL if failed.
*/
void *sunxi_map_kernel(unsigned int paddr, unsigned int size);
/**
* sunxi_unmap_kernel - unmap phys contigous memory from kernel space.
* @vaddr: the kernel virt addr of the area.
* @paddr: the start phys addr of the area.
* @size: size in bytes of the area.
*/
void sunxi_unmap_kernel(void *vaddr, unsigned int paddr, unsigned int size);
#endif /* __KERNEL__ */
#endif
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